diff options
Diffstat (limited to 'drivers')
620 files changed, 43910 insertions, 17585 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig index 5afe5d1f199..decf8e42085 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -40,8 +40,6 @@ source "drivers/net/Kconfig" source "drivers/isdn/Kconfig" -source "drivers/telephony/Kconfig" - # input before char - char/joystick depends on it. As does USB. source "drivers/input/Kconfig" diff --git a/drivers/Makefile b/drivers/Makefile index c07be024b96..932e8bf2035 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -86,7 +86,6 @@ obj-$(CONFIG_POWER_SUPPLY) += power/ obj-$(CONFIG_HWMON) += hwmon/ obj-$(CONFIG_THERMAL) += thermal/ obj-$(CONFIG_WATCHDOG) += watchdog/ -obj-$(CONFIG_PHONE) += telephony/ obj-$(CONFIG_MD) += md/ obj-$(CONFIG_BT) += bluetooth/ obj-$(CONFIG_ACCESSIBILITY) += accessibility/ diff --git a/drivers/accessibility/braille/braille_console.c b/drivers/accessibility/braille/braille_console.c index c339a0880e6..d21167bfc86 100644 --- a/drivers/accessibility/braille/braille_console.c +++ b/drivers/accessibility/braille/braille_console.c @@ -244,16 +244,13 @@ static int keyboard_notifier_call(struct notifier_block *blk, switch (val) { case KVAL(K_CAPS): - on_off = vc_kbd_led(kbd_table + fg_console, - VC_CAPSLOCK); + on_off = vt_get_leds(fg_console, VC_CAPSLOCK); break; case KVAL(K_NUM): - on_off = vc_kbd_led(kbd_table + fg_console, - VC_NUMLOCK); + on_off = vt_get_leds(fg_console, VC_NUMLOCK); break; case KVAL(K_HOLD): - on_off = vc_kbd_led(kbd_table + fg_console, - VC_SCROLLOCK); + on_off = vt_get_leds(fg_console, VC_SCROLLOCK); break; } if (on_off == 1) diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 8ae05ce1850..2801b418d7b 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -474,6 +474,7 @@ static __ref int acpi_processor_start(struct acpi_processor *pr) #ifdef CONFIG_CPU_FREQ acpi_processor_ppc_has_changed(pr, 0); + acpi_processor_load_module(pr); #endif acpi_processor_get_throttling_info(pr); acpi_processor_get_limit_info(pr); diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 85b32376dad..0af48a8554c 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -240,6 +240,28 @@ void acpi_processor_ppc_exit(void) acpi_processor_ppc_status &= ~PPC_REGISTERED; } +/* + * Do a quick check if the systems looks like it should use ACPI + * cpufreq. We look at a _PCT method being available, but don't + * do a whole lot of sanity checks. + */ +void acpi_processor_load_module(struct acpi_processor *pr) +{ + static int requested; + acpi_status status = 0; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + + if (!arch_has_acpi_pdc() || requested) + return; + status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer); + if (!ACPI_FAILURE(status)) { + printk(KERN_INFO PREFIX "Requesting acpi_cpufreq\n"); + request_module_nowait("acpi_cpufreq"); + requested = 1; + } + kfree(buffer.pointer); +} + static int acpi_processor_get_performance_control(struct acpi_processor *pr) { int result = 0; diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig index 7be9f79018e..9aa618acfe9 100644 --- a/drivers/base/Kconfig +++ b/drivers/base/Kconfig @@ -176,6 +176,9 @@ config GENERIC_CPU_DEVICES bool default n +config SOC_BUS + bool + source "drivers/base/regmap/Kconfig" config DMA_SHARED_BUFFER diff --git a/drivers/base/Makefile b/drivers/base/Makefile index 610f9997a40..b6d1b9c4200 100644 --- a/drivers/base/Makefile +++ b/drivers/base/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_MODULES) += module.o endif obj-$(CONFIG_SYS_HYPERVISOR) += hypervisor.o obj-$(CONFIG_REGMAP) += regmap/ +obj-$(CONFIG_SOC_BUS) += soc.o ccflags-$(CONFIG_DEBUG_DRIVER) := -DDEBUG diff --git a/drivers/base/base.h b/drivers/base/base.h index b858dfd9a37..6ee17bb391a 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -59,6 +59,10 @@ struct driver_private { * @knode_parent - node in sibling list * @knode_driver - node in driver list * @knode_bus - node in bus list + * @deferred_probe - entry in deferred_probe_list which is used to retry the + * binding of drivers which were unable to get all the resources needed by + * the device; typically because it depends on another driver getting + * probed first. * @driver_data - private pointer for driver specific info. Will turn into a * list soon. * @device - pointer back to the struct class that this structure is @@ -71,6 +75,7 @@ struct device_private { struct klist_node knode_parent; struct klist_node knode_driver; struct klist_node knode_bus; + struct list_head deferred_probe; void *driver_data; struct device *device; }; @@ -105,6 +110,7 @@ extern void bus_remove_driver(struct device_driver *drv); extern void driver_detach(struct device_driver *drv); extern int driver_probe_device(struct device_driver *drv, struct device *dev); +extern void driver_deferred_probe_del(struct device *dev); static inline int driver_match_device(struct device_driver *drv, struct device *dev) { diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 40fb12288ce..26a06b801b5 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -1194,13 +1194,15 @@ EXPORT_SYMBOL_GPL(subsys_interface_register); void subsys_interface_unregister(struct subsys_interface *sif) { - struct bus_type *subsys = sif->subsys; + struct bus_type *subsys; struct subsys_dev_iter iter; struct device *dev; - if (!sif) + if (!sif || !sif->subsys) return; + subsys = sif->subsys; + mutex_lock(&subsys->p->mutex); list_del_init(&sif->node); if (sif->remove_dev) { diff --git a/drivers/base/core.c b/drivers/base/core.c index 74dda4f697f..7050a75dde3 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -921,6 +921,7 @@ int device_private_init(struct device *dev) dev->p->device = dev; klist_init(&dev->p->klist_children, klist_children_get, klist_children_put); + INIT_LIST_HEAD(&dev->p->deferred_probe); return 0; } @@ -1188,6 +1189,7 @@ void device_del(struct device *dev) device_remove_file(dev, &uevent_attr); device_remove_attrs(dev); bus_remove_device(dev); + driver_deferred_probe_del(dev); /* * Some platform devices are driven without driver attached diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 4dabf5077c4..adf937bf409 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -11,6 +11,7 @@ #include <linux/device.h> #include <linux/node.h> #include <linux/gfp.h> +#include <linux/slab.h> #include <linux/percpu.h> #include "base.h" @@ -244,6 +245,9 @@ int __cpuinit register_cpu(struct cpu *cpu, int num) cpu->dev.id = num; cpu->dev.bus = &cpu_subsys; cpu->dev.release = cpu_device_release; +#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE + cpu->dev.bus->uevent = arch_cpu_uevent; +#endif error = device_register(&cpu->dev); if (!error && cpu->hotpluggable) register_cpu_control(cpu); @@ -268,6 +272,10 @@ struct device *get_cpu_device(unsigned cpu) } EXPORT_SYMBOL_GPL(get_cpu_device); +#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE +static DEVICE_ATTR(modalias, 0444, arch_print_cpu_modalias, NULL); +#endif + static struct attribute *cpu_root_attrs[] = { #ifdef CONFIG_ARCH_CPU_PROBE_RELEASE &dev_attr_probe.attr, @@ -278,6 +286,9 @@ static struct attribute *cpu_root_attrs[] = { &cpu_attrs[2].attr.attr, &dev_attr_kernel_max.attr, &dev_attr_offline.attr, +#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE + &dev_attr_modalias.attr, +#endif NULL }; diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 142e3d600f1..1b1cbb571d3 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -28,6 +28,141 @@ #include "base.h" #include "power/power.h" +/* + * Deferred Probe infrastructure. + * + * Sometimes driver probe order matters, but the kernel doesn't always have + * dependency information which means some drivers will get probed before a + * resource it depends on is available. For example, an SDHCI driver may + * first need a GPIO line from an i2c GPIO controller before it can be + * initialized. If a required resource is not available yet, a driver can + * request probing to be deferred by returning -EPROBE_DEFER from its probe hook + * + * Deferred probe maintains two lists of devices, a pending list and an active + * list. A driver returning -EPROBE_DEFER causes the device to be added to the + * pending list. A successful driver probe will trigger moving all devices + * from the pending to the active list so that the workqueue will eventually + * retry them. + * + * The deferred_probe_mutex must be held any time the deferred_probe_*_list + * of the (struct device*)->p->deferred_probe pointers are manipulated + */ +static DEFINE_MUTEX(deferred_probe_mutex); +static LIST_HEAD(deferred_probe_pending_list); +static LIST_HEAD(deferred_probe_active_list); +static struct workqueue_struct *deferred_wq; + +/** + * deferred_probe_work_func() - Retry probing devices in the active list. + */ +static void deferred_probe_work_func(struct work_struct *work) +{ + struct device *dev; + struct device_private *private; + /* + * This block processes every device in the deferred 'active' list. + * Each device is removed from the active list and passed to + * bus_probe_device() to re-attempt the probe. The loop continues + * until every device in the active list is removed and retried. + * + * Note: Once the device is removed from the list and the mutex is + * released, it is possible for the device get freed by another thread + * and cause a illegal pointer dereference. This code uses + * get/put_device() to ensure the device structure cannot disappear + * from under our feet. + */ + mutex_lock(&deferred_probe_mutex); + while (!list_empty(&deferred_probe_active_list)) { + private = list_first_entry(&deferred_probe_active_list, + typeof(*dev->p), deferred_probe); + dev = private->device; + list_del_init(&private->deferred_probe); + + get_device(dev); + + /* + * Drop the mutex while probing each device; the probe path may + * manipulate the deferred list + */ + mutex_unlock(&deferred_probe_mutex); + dev_dbg(dev, "Retrying from deferred list\n"); + bus_probe_device(dev); + mutex_lock(&deferred_probe_mutex); + + put_device(dev); + } + mutex_unlock(&deferred_probe_mutex); +} +static DECLARE_WORK(deferred_probe_work, deferred_probe_work_func); + +static void driver_deferred_probe_add(struct device *dev) +{ + mutex_lock(&deferred_probe_mutex); + if (list_empty(&dev->p->deferred_probe)) { + dev_dbg(dev, "Added to deferred list\n"); + list_add(&dev->p->deferred_probe, &deferred_probe_pending_list); + } + mutex_unlock(&deferred_probe_mutex); +} + +void driver_deferred_probe_del(struct device *dev) +{ + mutex_lock(&deferred_probe_mutex); + if (!list_empty(&dev->p->deferred_probe)) { + dev_dbg(dev, "Removed from deferred list\n"); + list_del_init(&dev->p->deferred_probe); + } + mutex_unlock(&deferred_probe_mutex); +} + +static bool driver_deferred_probe_enable = false; +/** + * driver_deferred_probe_trigger() - Kick off re-probing deferred devices + * + * This functions moves all devices from the pending list to the active + * list and schedules the deferred probe workqueue to process them. It + * should be called anytime a driver is successfully bound to a device. + */ +static void driver_deferred_probe_trigger(void) +{ + if (!driver_deferred_probe_enable) + return; + + /* + * A successful probe means that all the devices in the pending list + * should be triggered to be reprobed. Move all the deferred devices + * into the active list so they can be retried by the workqueue + */ + mutex_lock(&deferred_probe_mutex); + list_splice_tail_init(&deferred_probe_pending_list, + &deferred_probe_active_list); + mutex_unlock(&deferred_probe_mutex); + + /* + * Kick the re-probe thread. It may already be scheduled, but it is + * safe to kick it again. + */ + queue_work(deferred_wq, &deferred_probe_work); +} + +/** + * deferred_probe_initcall() - Enable probing of deferred devices + * + * We don't want to get in the way when the bulk of drivers are getting probed. + * Instead, this initcall makes sure that deferred probing is delayed until + * late_initcall time. + */ +static int deferred_probe_initcall(void) +{ + deferred_wq = create_singlethread_workqueue("deferwq"); + if (WARN_ON(!deferred_wq)) + return -ENOMEM; + + driver_deferred_probe_enable = true; + driver_deferred_probe_trigger(); + return 0; +} +late_initcall(deferred_probe_initcall); static void driver_bound(struct device *dev) { @@ -42,6 +177,13 @@ static void driver_bound(struct device *dev) klist_add_tail(&dev->p->knode_driver, &dev->driver->p->klist_devices); + /* + * Make sure the device is no longer in one of the deferred lists and + * kick off retrying all pending devices + */ + driver_deferred_probe_del(dev); + driver_deferred_probe_trigger(); + if (dev->bus) blocking_notifier_call_chain(&dev->bus->p->bus_notifier, BUS_NOTIFY_BOUND_DRIVER, dev); @@ -142,7 +284,11 @@ probe_failed: driver_sysfs_remove(dev); dev->driver = NULL; - if (ret != -ENODEV && ret != -ENXIO) { + if (ret == -EPROBE_DEFER) { + /* Driver requested deferred probing */ + dev_info(dev, "Driver %s requests probe deferral\n", drv->name); + driver_deferred_probe_add(dev); + } else if (ret != -ENODEV && ret != -ENXIO) { /* driver matched but the probe failed */ printk(KERN_WARNING "%s: probe of %s failed with error %d\n", diff --git a/drivers/base/driver.c b/drivers/base/driver.c index b631f7c5945..60e4f77ca66 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -153,34 +153,6 @@ int driver_add_kobj(struct device_driver *drv, struct kobject *kobj, } EXPORT_SYMBOL_GPL(driver_add_kobj); -/** - * get_driver - increment driver reference count. - * @drv: driver. - */ -struct device_driver *get_driver(struct device_driver *drv) -{ - if (drv) { - struct driver_private *priv; - struct kobject *kobj; - - kobj = kobject_get(&drv->p->kobj); - priv = to_driver(kobj); - return priv->driver; - } - return NULL; -} -EXPORT_SYMBOL_GPL(get_driver); - -/** - * put_driver - decrement driver's refcount. - * @drv: driver. - */ -void put_driver(struct device_driver *drv) -{ - kobject_put(&drv->p->kobj); -} -EXPORT_SYMBOL_GPL(put_driver); - static int driver_add_groups(struct device_driver *drv, const struct attribute_group **groups) { @@ -234,7 +206,6 @@ int driver_register(struct device_driver *drv) other = driver_find(drv->name, drv->bus); if (other) { - put_driver(other); printk(KERN_ERR "Error: Driver '%s' is already registered, " "aborting...\n", drv->name); return -EBUSY; @@ -275,7 +246,9 @@ EXPORT_SYMBOL_GPL(driver_unregister); * Call kset_find_obj() to iterate over list of drivers on * a bus to find driver by name. Return driver if found. * - * Note that kset_find_obj increments driver's reference count. + * This routine provides no locking to prevent the driver it returns + * from being unregistered or unloaded while the caller is using it. + * The caller is responsible for preventing this. */ struct device_driver *driver_find(const char *name, struct bus_type *bus) { @@ -283,6 +256,8 @@ struct device_driver *driver_find(const char *name, struct bus_type *bus) struct driver_private *priv; if (k) { + /* Drop reference added by kset_find_obj() */ + kobject_put(k); priv = to_driver(k); return priv->driver; } diff --git a/drivers/base/soc.c b/drivers/base/soc.c new file mode 100644 index 00000000000..05f150382da --- /dev/null +++ b/drivers/base/soc.c @@ -0,0 +1,183 @@ +/* + * Copyright (C) ST-Ericsson SA 2011 + * + * Author: Lee Jones <lee.jones@linaro.org> for ST-Ericsson. + * License terms: GNU General Public License (GPL), version 2 + */ + +#include <linux/sysfs.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/stat.h> +#include <linux/slab.h> +#include <linux/idr.h> +#include <linux/spinlock.h> +#include <linux/sys_soc.h> +#include <linux/err.h> + +static DEFINE_IDR(soc_ida); +static DEFINE_SPINLOCK(soc_lock); + +static ssize_t soc_info_get(struct device *dev, + struct device_attribute *attr, + char *buf); + +struct soc_device { + struct device dev; + struct soc_device_attribute *attr; + int soc_dev_num; +}; + +static struct bus_type soc_bus_type = { + .name = "soc", +}; + +static DEVICE_ATTR(machine, S_IRUGO, soc_info_get, NULL); +static DEVICE_ATTR(family, S_IRUGO, soc_info_get, NULL); +static DEVICE_ATTR(soc_id, S_IRUGO, soc_info_get, NULL); +static DEVICE_ATTR(revision, S_IRUGO, soc_info_get, NULL); + +struct device *soc_device_to_device(struct soc_device *soc_dev) +{ + return &soc_dev->dev; +} + +static mode_t soc_attribute_mode(struct kobject *kobj, + struct attribute *attr, + int index) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct soc_device *soc_dev = container_of(dev, struct soc_device, dev); + + if ((attr == &dev_attr_machine.attr) + && (soc_dev->attr->machine != NULL)) + return attr->mode; + if ((attr == &dev_attr_family.attr) + && (soc_dev->attr->family != NULL)) + return attr->mode; + if ((attr == &dev_attr_revision.attr) + && (soc_dev->attr->revision != NULL)) + return attr->mode; + if ((attr == &dev_attr_soc_id.attr) + && (soc_dev->attr->soc_id != NULL)) + return attr->mode; + + /* Unknown or unfilled attribute. */ + return 0; +} + +static ssize_t soc_info_get(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct soc_device *soc_dev = container_of(dev, struct soc_device, dev); + + if (attr == &dev_attr_machine) + return sprintf(buf, "%s\n", soc_dev->attr->machine); + if (attr == &dev_attr_family) + return sprintf(buf, "%s\n", soc_dev->attr->family); + if (attr == &dev_attr_revision) + return sprintf(buf, "%s\n", soc_dev->attr->revision); + if (attr == &dev_attr_soc_id) + return sprintf(buf, "%s\n", soc_dev->attr->soc_id); + + return -EINVAL; + +} + +static struct attribute *soc_attr[] = { + &dev_attr_machine.attr, + &dev_attr_family.attr, + &dev_attr_soc_id.attr, + &dev_attr_revision.attr, + NULL, +}; + +static const struct attribute_group soc_attr_group = { + .attrs = soc_attr, + .is_visible = soc_attribute_mode, +}; + +static const struct attribute_group *soc_attr_groups[] = { + &soc_attr_group, + NULL, +}; + +static void soc_release(struct device *dev) +{ + struct soc_device *soc_dev = container_of(dev, struct soc_device, dev); + + kfree(soc_dev); +} + +struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr) +{ + struct soc_device *soc_dev; + int ret; + + soc_dev = kzalloc(sizeof(*soc_dev), GFP_KERNEL); + if (!soc_dev) { + ret = -ENOMEM; + goto out1; + } + + /* Fetch a unique (reclaimable) SOC ID. */ + do { + if (!ida_pre_get(&soc_ida, GFP_KERNEL)) { + ret = -ENOMEM; + goto out2; + } + + spin_lock(&soc_lock); + ret = ida_get_new(&soc_ida, &soc_dev->soc_dev_num); + spin_unlock(&soc_lock); + + } while (ret == -EAGAIN); + + if (ret) + goto out2; + + soc_dev->attr = soc_dev_attr; + soc_dev->dev.bus = &soc_bus_type; + soc_dev->dev.groups = soc_attr_groups; + soc_dev->dev.release = soc_release; + + dev_set_name(&soc_dev->dev, "soc%d", soc_dev->soc_dev_num); + + ret = device_register(&soc_dev->dev); + if (ret) + goto out3; + + return soc_dev; + +out3: + ida_remove(&soc_ida, soc_dev->soc_dev_num); +out2: + kfree(soc_dev); +out1: + return ERR_PTR(ret); +} + +/* Ensure soc_dev->attr is freed prior to calling soc_device_unregister. */ +void soc_device_unregister(struct soc_device *soc_dev) +{ + ida_remove(&soc_ida, soc_dev->soc_dev_num); + + device_unregister(&soc_dev->dev); +} + +static int __init soc_bus_register(void) +{ + spin_lock_init(&soc_lock); + + return bus_register(&soc_bus_type); +} +core_initcall(soc_bus_register); + +static void __exit soc_bus_unregister(void) +{ + ida_destroy(&soc_ida); + + bus_unregister(&soc_bus_type); +} +module_exit(soc_bus_unregister); diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c index e086fbbbe85..8db9089127c 100644 --- a/drivers/block/DAC960.c +++ b/drivers/block/DAC960.c @@ -1177,7 +1177,8 @@ static bool DAC960_V1_EnableMemoryMailboxInterface(DAC960_Controller_T int TimeoutCounter; int i; - + memset(&CommandMailbox, 0, sizeof(DAC960_V1_CommandMailbox_T)); + if (pci_set_dma_mask(Controller->PCIDevice, DMA_BIT_MASK(32))) return DAC960_Failure(Controller, "DMA mask out of range"); Controller->BounceBufferLimit = DMA_BIT_MASK(32); @@ -4627,7 +4628,8 @@ static void DAC960_V2_ProcessCompletedCommand(DAC960_Command_T *Command) DAC960_Controller_T *Controller = Command->Controller; DAC960_CommandType_T CommandType = Command->CommandType; DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; - DAC960_V2_IOCTL_Opcode_T CommandOpcode = CommandMailbox->Common.IOCTL_Opcode; + DAC960_V2_IOCTL_Opcode_T IOCTLOpcode = CommandMailbox->Common.IOCTL_Opcode; + DAC960_V2_CommandOpcode_T CommandOpcode = CommandMailbox->SCSI_10.CommandOpcode; DAC960_V2_CommandStatus_T CommandStatus = Command->V2.CommandStatus; if (CommandType == DAC960_ReadCommand || @@ -4699,7 +4701,7 @@ static void DAC960_V2_ProcessCompletedCommand(DAC960_Command_T *Command) { if (Controller->ShutdownMonitoringTimer) return; - if (CommandOpcode == DAC960_V2_GetControllerInfo) + if (IOCTLOpcode == DAC960_V2_GetControllerInfo) { DAC960_V2_ControllerInfo_T *NewControllerInfo = Controller->V2.NewControllerInformation; @@ -4719,14 +4721,14 @@ static void DAC960_V2_ProcessCompletedCommand(DAC960_Command_T *Command) memcpy(ControllerInfo, NewControllerInfo, sizeof(DAC960_V2_ControllerInfo_T)); } - else if (CommandOpcode == DAC960_V2_GetEvent) + else if (IOCTLOpcode == DAC960_V2_GetEvent) { if (CommandStatus == DAC960_V2_NormalCompletion) { DAC960_V2_ReportEvent(Controller, Controller->V2.Event); } Controller->V2.NextEventSequenceNumber++; } - else if (CommandOpcode == DAC960_V2_GetPhysicalDeviceInfoValid && + else if (IOCTLOpcode == DAC960_V2_GetPhysicalDeviceInfoValid && CommandStatus == DAC960_V2_NormalCompletion) { DAC960_V2_PhysicalDeviceInfo_T *NewPhysicalDeviceInfo = @@ -4915,7 +4917,7 @@ static void DAC960_V2_ProcessCompletedCommand(DAC960_Command_T *Command) NewPhysicalDeviceInfo->LogicalUnit++; Controller->V2.PhysicalDeviceIndex++; } - else if (CommandOpcode == DAC960_V2_GetPhysicalDeviceInfoValid) + else if (IOCTLOpcode == DAC960_V2_GetPhysicalDeviceInfoValid) { unsigned int DeviceIndex; for (DeviceIndex = Controller->V2.PhysicalDeviceIndex; @@ -4938,7 +4940,7 @@ static void DAC960_V2_ProcessCompletedCommand(DAC960_Command_T *Command) } Controller->V2.NeedPhysicalDeviceInformation = false; } - else if (CommandOpcode == DAC960_V2_GetLogicalDeviceInfoValid && + else if (IOCTLOpcode == DAC960_V2_GetLogicalDeviceInfoValid && CommandStatus == DAC960_V2_NormalCompletion) { DAC960_V2_LogicalDeviceInfo_T *NewLogicalDeviceInfo = @@ -5065,7 +5067,7 @@ static void DAC960_V2_ProcessCompletedCommand(DAC960_Command_T *Command) [LogicalDeviceNumber] = true; NewLogicalDeviceInfo->LogicalDeviceNumber++; } - else if (CommandOpcode == DAC960_V2_GetLogicalDeviceInfoValid) + else if (IOCTLOpcode == DAC960_V2_GetLogicalDeviceInfoValid) { int LogicalDriveNumber; for (LogicalDriveNumber = 0; diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c index e7472f567c9..3fb6ab4c8b4 100644 --- a/drivers/block/sx8.c +++ b/drivers/block/sx8.c @@ -1120,7 +1120,7 @@ static inline void carm_handle_resp(struct carm_host *host, break; case MISC_GET_FW_VER: { struct carm_fw_ver *ver = (struct carm_fw_ver *) - mem + sizeof(struct carm_msg_get_fw_ver); + (mem + sizeof(struct carm_msg_get_fw_ver)); if (!error) { host->fw_ver = le32_to_cpu(ver->version); host->flags |= (ver->features & FL_FW_VER_MASK); diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 43643033a3a..ee946865d6c 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -66,21 +66,6 @@ config TTY_PRINTK If unsure, say N. -config BRIQ_PANEL - tristate 'Total Impact briQ front panel driver' - depends on PPC_CHRP - ---help--- - The briQ is a small footprint CHRP computer with a frontpanel VFD, a - tristate led and two switches. It is the size of a CDROM drive. - - If you have such one and want anything showing on the VFD then you - must answer Y here. - - To compile this driver as a module, choose M here: the - module will be called briq_panel. - - It's safe to say N here. - config BFIN_OTP tristate "Blackfin On-Chip OTP Memory Support" depends on BLACKFIN && (BF51x || BF52x || BF54x) diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 32762ba769c..0dc5d7ce486 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -16,7 +16,6 @@ obj-$(CONFIG_UV_MMTIMER) += uv_mmtimer.o obj-$(CONFIG_VIOTAPE) += viotape.o obj-$(CONFIG_IBM_BSR) += bsr.o obj-$(CONFIG_SGI_MBCS) += mbcs.o -obj-$(CONFIG_BRIQ_PANEL) += briq_panel.o obj-$(CONFIG_BFIN_OTP) += bfin-otp.o obj-$(CONFIG_PRINTER) += lp.o diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c deleted file mode 100644 index 095ab90535c..00000000000 --- a/drivers/char/briq_panel.c +++ /dev/null @@ -1,266 +0,0 @@ -/* - * Drivers for the Total Impact PPC based computer "BRIQ" - * by Dr. Karsten Jeppesen - * - */ - -#include <linux/module.h> - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/tty.h> -#include <linux/timer.h> -#include <linux/kernel.h> -#include <linux/wait.h> -#include <linux/string.h> -#include <linux/ioport.h> -#include <linux/delay.h> -#include <linux/miscdevice.h> -#include <linux/fs.h> -#include <linux/mm.h> -#include <linux/init.h> - -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/prom.h> - -#define BRIQ_PANEL_MINOR 156 -#define BRIQ_PANEL_VFD_IOPORT 0x0390 -#define BRIQ_PANEL_LED_IOPORT 0x0398 -#define BRIQ_PANEL_VER "1.1 (04/20/2002)" -#define BRIQ_PANEL_MSG0 "Loading Linux" - -static int vfd_is_open; -static unsigned char vfd[40]; -static int vfd_cursor; -static unsigned char ledpb, led; - -static void update_vfd(void) -{ - int i; - - /* cursor home */ - outb(0x02, BRIQ_PANEL_VFD_IOPORT); - for (i=0; i<20; i++) - outb(vfd[i], BRIQ_PANEL_VFD_IOPORT + 1); - - /* cursor to next line */ - outb(0xc0, BRIQ_PANEL_VFD_IOPORT); - for (i=20; i<40; i++) - outb(vfd[i], BRIQ_PANEL_VFD_IOPORT + 1); - -} - -static void set_led(char state) -{ - if (state == 'R') - led = 0x01; - else if (state == 'G') - led = 0x02; - else if (state == 'Y') - led = 0x03; - else if (state == 'X') - led = 0x00; - outb(led, BRIQ_PANEL_LED_IOPORT); -} - -static int briq_panel_open(struct inode *ino, struct file *filep) -{ - tty_lock(); - /* enforce single access, vfd_is_open is protected by BKL */ - if (vfd_is_open) { - tty_unlock(); - return -EBUSY; - } - vfd_is_open = 1; - - tty_unlock(); - return 0; -} - -static int briq_panel_release(struct inode *ino, struct file *filep) -{ - if (!vfd_is_open) - return -ENODEV; - - vfd_is_open = 0; - - return 0; -} - -static ssize_t briq_panel_read(struct file *file, char __user *buf, size_t count, - loff_t *ppos) -{ - unsigned short c; - unsigned char cp; - - if (!vfd_is_open) - return -ENODEV; - - c = (inb(BRIQ_PANEL_LED_IOPORT) & 0x000c) | (ledpb & 0x0003); - set_led(' '); - /* upper button released */ - if ((!(ledpb & 0x0004)) && (c & 0x0004)) { - cp = ' '; - ledpb = c; - if (copy_to_user(buf, &cp, 1)) - return -EFAULT; - return 1; - } - /* lower button released */ - else if ((!(ledpb & 0x0008)) && (c & 0x0008)) { - cp = '\r'; - ledpb = c; - if (copy_to_user(buf, &cp, 1)) - return -EFAULT; - return 1; - } else { - ledpb = c; - return 0; - } -} - -static void scroll_vfd( void ) -{ - int i; - - for (i=0; i<20; i++) { - vfd[i] = vfd[i+20]; - vfd[i+20] = ' '; - } - vfd_cursor = 20; -} - -static ssize_t briq_panel_write(struct file *file, const char __user *buf, size_t len, - loff_t *ppos) -{ - size_t indx = len; - int i, esc = 0; - - if (!vfd_is_open) - return -EBUSY; - - for (;;) { - char c; - if (!indx) - break; - if (get_user(c, buf)) - return -EFAULT; - if (esc) { - set_led(c); - esc = 0; - } else if (c == 27) { - esc = 1; - } else if (c == 12) { - /* do a form feed */ - for (i=0; i<40; i++) - vfd[i] = ' '; - vfd_cursor = 0; - } else if (c == 10) { - if (vfd_cursor < 20) - vfd_cursor = 20; - else if (vfd_cursor < 40) - vfd_cursor = 40; - else if (vfd_cursor < 60) - vfd_cursor = 60; - if (vfd_cursor > 59) - scroll_vfd(); - } else { - /* just a character */ - if (vfd_cursor > 39) - scroll_vfd(); - vfd[vfd_cursor++] = c; - } - indx--; - buf++; - } - update_vfd(); - - return len; -} - -static const struct file_operations briq_panel_fops = { - .owner = THIS_MODULE, - .read = briq_panel_read, - .write = briq_panel_write, - .open = briq_panel_open, - .release = briq_panel_release, - .llseek = noop_llseek, -}; - -static struct miscdevice briq_panel_miscdev = { - BRIQ_PANEL_MINOR, - "briq_panel", - &briq_panel_fops -}; - -static int __init briq_panel_init(void) -{ - struct device_node *root = of_find_node_by_path("/"); - const char *machine; - int i; - - machine = of_get_property(root, "model", NULL); - if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0) { - of_node_put(root); - return -ENODEV; - } - of_node_put(root); - - printk(KERN_INFO - "briq_panel: v%s Dr. Karsten Jeppesen (kj@totalimpact.com)\n", - BRIQ_PANEL_VER); - - if (!request_region(BRIQ_PANEL_VFD_IOPORT, 4, "BRIQ Front Panel")) - return -EBUSY; - - if (!request_region(BRIQ_PANEL_LED_IOPORT, 2, "BRIQ Front Panel")) { - release_region(BRIQ_PANEL_VFD_IOPORT, 4); - return -EBUSY; - } - ledpb = inb(BRIQ_PANEL_LED_IOPORT) & 0x000c; - - if (misc_register(&briq_panel_miscdev) < 0) { - release_region(BRIQ_PANEL_VFD_IOPORT, 4); - release_region(BRIQ_PANEL_LED_IOPORT, 2); - return -EBUSY; - } - - outb(0x38, BRIQ_PANEL_VFD_IOPORT); /* Function set */ - outb(0x01, BRIQ_PANEL_VFD_IOPORT); /* Clear display */ - outb(0x0c, BRIQ_PANEL_VFD_IOPORT); /* Display on */ - outb(0x06, BRIQ_PANEL_VFD_IOPORT); /* Entry normal */ - for (i=0; i<40; i++) - vfd[i]=' '; -#ifndef MODULE - vfd[0] = 'L'; - vfd[1] = 'o'; - vfd[2] = 'a'; - vfd[3] = 'd'; - vfd[4] = 'i'; - vfd[5] = 'n'; - vfd[6] = 'g'; - vfd[7] = ' '; - vfd[8] = '.'; - vfd[9] = '.'; - vfd[10] = '.'; -#endif /* !MODULE */ - - update_vfd(); - - return 0; -} - -static void __exit briq_panel_exit(void) -{ - misc_deregister(&briq_panel_miscdev); - release_region(BRIQ_PANEL_VFD_IOPORT, 4); - release_region(BRIQ_PANEL_LED_IOPORT, 2); -} - -module_init(briq_panel_init); -module_exit(briq_panel_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Karsten Jeppesen <karsten@jeppesens.com>"); -MODULE_DESCRIPTION("Driver for the Total Impact briQ front panel"); diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 07f6a5abe37..f6453df4921 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -2484,7 +2484,7 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp) /* verify range of specified line number */ line = tty->index; - if ((line < 0) || (line >= mgslpc_device_count)) { + if (line >= mgslpc_device_count) { printk("%s(%d):mgslpc_open with invalid line #%d.\n", __FILE__,__LINE__,line); return -ENODEV; @@ -2836,7 +2836,6 @@ static int __init synclink_cs_init(void) /* Initialize the tty_driver structure */ - serial_driver->owner = THIS_MODULE; serial_driver->driver_name = "synclink_cs"; serial_driver->name = "ttySLP"; serial_driver->major = ttymajor; diff --git a/drivers/char/ramoops.c b/drivers/char/ramoops.c index 9fec3232b73..2a5e45d2a9f 100644 --- a/drivers/char/ramoops.c +++ b/drivers/char/ramoops.c @@ -26,7 +26,6 @@ #include <linux/module.h> #include <linux/kmsg_dump.h> #include <linux/time.h> -#include <linux/err.h> #include <linux/io.h> #include <linux/ioport.h> #include <linux/platform_device.h> diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c index 0c964cdcc22..ce29e7cce52 100644 --- a/drivers/char/tlclk.c +++ b/drivers/char/tlclk.c @@ -797,7 +797,7 @@ static int __init tlclk_init(void) telclk_interrupt = (inb(TLCLK_REG7) & 0x0f); if (0x0F == telclk_interrupt ) { /* not MCPBL0010 ? */ - printk(KERN_ERR "telclk_interrup = 0x%x non-mcpbl0010 hw.\n", + printk(KERN_ERR "telclk_interrupt = 0x%x non-mcpbl0010 hw.\n", telclk_interrupt); ret = -ENXIO; goto out3; diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c index eedd5474850..46b77ede84c 100644 --- a/drivers/char/ttyprintk.c +++ b/drivers/char/ttyprintk.c @@ -184,12 +184,10 @@ static int __init ttyprintk_init(void) if (!ttyprintk_driver) return ret; - ttyprintk_driver->owner = THIS_MODULE; ttyprintk_driver->driver_name = "ttyprintk"; ttyprintk_driver->name = "ttyprintk"; ttyprintk_driver->major = TTYAUX_MAJOR; ttyprintk_driver->minor_start = 3; - ttyprintk_driver->num = 1; ttyprintk_driver->type = TTY_DRIVER_TYPE_CONSOLE; ttyprintk_driver->init_termios = tty_std_termios; ttyprintk_driver->init_termios.c_oflag = OPOST | OCRNL | ONOCR | ONLRET; diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c index ad6e64a2912..8b34c65511e 100644 --- a/drivers/char/viotape.c +++ b/drivers/char/viotape.c @@ -976,7 +976,7 @@ int __init viotap_init(void) tape_class = class_create(THIS_MODULE, "tape"); if (IS_ERR(tape_class)) { - printk(VIOTAPE_KERN_WARN "Unable to allocat class\n"); + printk(VIOTAPE_KERN_WARN "Unable to allocate class\n"); ret = PTR_ERR(tape_class); goto unreg_chrdev; } diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c index 6b5cf02c35c..82e882028fc 100644 --- a/drivers/clocksource/acpi_pm.c +++ b/drivers/clocksource/acpi_pm.c @@ -23,6 +23,7 @@ #include <linux/init.h> #include <linux/pci.h> #include <linux/delay.h> +#include <linux/async.h> #include <asm/io.h> /* @@ -179,17 +180,15 @@ static int verify_pmtmr_rate(void) /* Number of reads we try to get two different values */ #define ACPI_PM_READ_CHECKS 10000 -static int __init init_acpi_pm_clocksource(void) +static void __init acpi_pm_clocksource_async(void *unused, async_cookie_t cookie) { cycle_t value1, value2; unsigned int i, j = 0; - if (!pmtmr_ioport) - return -ENODEV; /* "verify" this timing source: */ for (j = 0; j < ACPI_PM_MONOTONICITY_CHECKS; j++) { - udelay(100 * j); + usleep_range(100 * j, 100 * j + 100); value1 = clocksource_acpi_pm.read(&clocksource_acpi_pm); for (i = 0; i < ACPI_PM_READ_CHECKS; i++) { value2 = clocksource_acpi_pm.read(&clocksource_acpi_pm); @@ -203,25 +202,34 @@ static int __init init_acpi_pm_clocksource(void) " 0x%#llx, 0x%#llx - aborting.\n", value1, value2); pmtmr_ioport = 0; - return -EINVAL; + return; } if (i == ACPI_PM_READ_CHECKS) { printk(KERN_INFO "PM-Timer failed consistency check " " (0x%#llx) - aborting.\n", value1); pmtmr_ioport = 0; - return -ENODEV; + return; } } if (verify_pmtmr_rate() != 0){ pmtmr_ioport = 0; - return -ENODEV; + return; } - return clocksource_register_hz(&clocksource_acpi_pm, + clocksource_register_hz(&clocksource_acpi_pm, PMTMR_TICKS_PER_SEC); } +static int __init init_acpi_pm_clocksource(void) +{ + if (!pmtmr_ioport) + return -ENODEV; + + async_schedule(acpi_pm_clocksource_async, NULL); + return 0; +} + /* We use fs_initcall because we want the PCI fixups to have run * but we still need to load before device_initcall */ diff --git a/drivers/clocksource/clksrc-dbx500-prcmu.c b/drivers/clocksource/clksrc-dbx500-prcmu.c index fb6b6d28b60..c26c369eb9e 100644 --- a/drivers/clocksource/clksrc-dbx500-prcmu.c +++ b/drivers/clocksource/clksrc-dbx500-prcmu.c @@ -52,7 +52,6 @@ static struct clocksource clocksource_dbx500_prcmu = { .name = "dbx500-prcmu-timer", .rating = 300, .read = clksrc_dbx500_prcmu_read, - .shift = 10, .mask = CLOCKSOURCE_MASK(32), .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -90,7 +89,5 @@ void __init clksrc_dbx500_prcmu_init(void __iomem *base) setup_sched_clock(dbx500_prcmu_sched_clock_read, 32, RATE_32K); #endif - clocksource_calc_mult_shift(&clocksource_dbx500_prcmu, - RATE_32K, SCHED_CLOCK_MIN_WRAP); - clocksource_register(&clocksource_dbx500_prcmu); + clocksource_register_hz(&clocksource_dbx500_prcmu, RATE_32K); } diff --git a/drivers/clocksource/cs5535-clockevt.c b/drivers/clocksource/cs5535-clockevt.c index b7dab32ce63..540795cd076 100644 --- a/drivers/clocksource/cs5535-clockevt.c +++ b/drivers/clocksource/cs5535-clockevt.c @@ -100,7 +100,6 @@ static struct clock_event_device cs5535_clockevent = { .set_mode = mfgpt_set_mode, .set_next_event = mfgpt_next_event, .rating = 250, - .cpumask = cpu_all_mask, .shift = 32 }; @@ -133,7 +132,7 @@ static irqreturn_t mfgpt_tick(int irq, void *dev_id) static struct irqaction mfgptirq = { .handler = mfgpt_tick, - .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TIMER | IRQF_SHARED, .name = DRV_NAME, }; diff --git a/drivers/clocksource/cyclone.c b/drivers/clocksource/cyclone.c index 72f811f73e9..9e0998f2288 100644 --- a/drivers/clocksource/cyclone.c +++ b/drivers/clocksource/cyclone.c @@ -55,11 +55,11 @@ static int __init init_cyclone_clocksource(void) } /* even on 64bit systems, this is only 32bits: */ base = readl(reg); + iounmap(reg); if (!base) { printk(KERN_ERR "Summit chipset: Could not find valid CBAR value.\n"); return -ENODEV; } - iounmap(reg); /* setup PMCC: */ offset = base + CYCLONE_PMCC_OFFSET; diff --git a/drivers/clocksource/scx200_hrt.c b/drivers/clocksource/scx200_hrt.c index 27f4d9637b6..64f9e829443 100644 --- a/drivers/clocksource/scx200_hrt.c +++ b/drivers/clocksource/scx200_hrt.c @@ -49,9 +49,6 @@ static cycle_t read_hrt(struct clocksource *cs) return (cycle_t) inl(scx200_cb_base + SCx200_TIMER_OFFSET); } -#define HRT_SHIFT_1 22 -#define HRT_SHIFT_27 26 - static struct clocksource cs_hrt = { .name = "scx200_hrt", .rating = 250, @@ -63,6 +60,7 @@ static struct clocksource cs_hrt = { static int __init init_hrt_clocksource(void) { + u32 freq; /* Make sure scx200 has initialized the configuration block */ if (!scx200_cb_present()) return -ENODEV; @@ -71,7 +69,7 @@ static int __init init_hrt_clocksource(void) if (!request_region(scx200_cb_base + SCx200_TIMER_OFFSET, SCx200_TIMER_SIZE, "NatSemi SCx200 High-Resolution Timer")) { - printk(KERN_WARNING NAME ": unable to lock timer region\n"); + pr_warn("unable to lock timer region\n"); return -ENODEV; } @@ -79,19 +77,13 @@ static int __init init_hrt_clocksource(void) outb(HR_TMEN | (mhz27 ? HR_TMCLKSEL : 0), scx200_cb_base + SCx200_TMCNFG_OFFSET); - if (mhz27) { - cs_hrt.shift = HRT_SHIFT_27; - cs_hrt.mult = clocksource_hz2mult((HRT_FREQ + ppm) * 27, - cs_hrt.shift); - } else { - cs_hrt.shift = HRT_SHIFT_1; - cs_hrt.mult = clocksource_hz2mult(HRT_FREQ + ppm, - cs_hrt.shift); - } - printk(KERN_INFO "enabling scx200 high-res timer (%s MHz +%d ppm)\n", - mhz27 ? "27":"1", ppm); + freq = (HRT_FREQ + ppm); + if (mhz27) + freq *= 27; + + pr_info("enabling scx200 high-res timer (%s MHz +%d ppm)\n", mhz27 ? "27":"1", ppm); - return clocksource_register(&cs_hrt); + return clocksource_register_hz(&cs_hrt, freq); } module_init(init_hrt_clocksource); diff --git a/drivers/cpufreq/cpufreq-nforce2.c b/drivers/cpufreq/cpufreq-nforce2.c index 7bac808804f..13d311ee08b 100644 --- a/drivers/cpufreq/cpufreq-nforce2.c +++ b/drivers/cpufreq/cpufreq-nforce2.c @@ -385,6 +385,14 @@ static struct cpufreq_driver nforce2_driver = { .owner = THIS_MODULE, }; +#ifdef MODULE +static DEFINE_PCI_DEVICE_TABLE(nforce2_ids) = { + { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2 }, + {} +}; +MODULE_DEVICE_TABLE(pci, nforce2_ids); +#endif + /** * nforce2_detect_chipset - detect the Southbridge which contains FSB PLL logic * diff --git a/drivers/cpufreq/e_powersaver.c b/drivers/cpufreq/e_powersaver.c index 4bd6815d317..3fffbe6025c 100644 --- a/drivers/cpufreq/e_powersaver.c +++ b/drivers/cpufreq/e_powersaver.c @@ -16,6 +16,7 @@ #include <linux/io.h> #include <linux/delay.h> +#include <asm/cpu_device_id.h> #include <asm/msr.h> #include <asm/tsc.h> @@ -437,18 +438,19 @@ static struct cpufreq_driver eps_driver = { .attr = eps_attr, }; + +/* This driver will work only on Centaur C7 processors with + * Enhanced SpeedStep/PowerSaver registers */ +static const struct x86_cpu_id eps_cpu_id[] = { + { X86_VENDOR_CENTAUR, 6, X86_MODEL_ANY, X86_FEATURE_EST }, + {} +}; +MODULE_DEVICE_TABLE(x86cpu, eps_cpu_id); + static int __init eps_init(void) { - struct cpuinfo_x86 *c = &cpu_data(0); - - /* This driver will work only on Centaur C7 processors with - * Enhanced SpeedStep/PowerSaver registers */ - if (c->x86_vendor != X86_VENDOR_CENTAUR - || c->x86 != 6 || c->x86_model < 10) - return -ENODEV; - if (!cpu_has(c, X86_FEATURE_EST)) + if (!x86_match_cpu(eps_cpu_id) || boot_cpu_data.x86_model < 10) return -ENODEV; - if (cpufreq_register_driver(&eps_driver)) return -EINVAL; return 0; diff --git a/drivers/cpufreq/elanfreq.c b/drivers/cpufreq/elanfreq.c index c587db472a7..960671fd3d7 100644 --- a/drivers/cpufreq/elanfreq.c +++ b/drivers/cpufreq/elanfreq.c @@ -23,6 +23,7 @@ #include <linux/delay.h> #include <linux/cpufreq.h> +#include <asm/cpu_device_id.h> #include <asm/msr.h> #include <linux/timex.h> #include <linux/io.h> @@ -277,17 +278,16 @@ static struct cpufreq_driver elanfreq_driver = { .attr = elanfreq_attr, }; +static const struct x86_cpu_id elan_id[] = { + { X86_VENDOR_AMD, 4, 10, }, + {} +}; +MODULE_DEVICE_TABLE(x86cpu, elan_id); static int __init elanfreq_init(void) { - struct cpuinfo_x86 *c = &cpu_data(0); - - /* Test if we have the right hardware */ - if ((c->x86_vendor != X86_VENDOR_AMD) || - (c->x86 != 4) || (c->x86_model != 10)) { - printk(KERN_INFO "elanfreq: error: no Elan processor found!\n"); + if (!x86_match_cpu(elan_id)) return -ENODEV; - } return cpufreq_register_driver(&elanfreq_driver); } diff --git a/drivers/cpufreq/gx-suspmod.c b/drivers/cpufreq/gx-suspmod.c index ffe1f2c92ed..456bee058fe 100644 --- a/drivers/cpufreq/gx-suspmod.c +++ b/drivers/cpufreq/gx-suspmod.c @@ -82,6 +82,7 @@ #include <linux/errno.h> #include <linux/slab.h> +#include <asm/cpu_device_id.h> #include <asm/processor-cyrix.h> /* PCI config registers, all at F0 */ @@ -171,6 +172,7 @@ static struct pci_device_id gx_chipset_tbl[] __initdata = { { PCI_VDEVICE(CYRIX, PCI_DEVICE_ID_CYRIX_5510), }, { 0, }, }; +MODULE_DEVICE_TABLE(pci, gx_chipset_tbl); static void gx_write_byte(int reg, int value) { @@ -185,13 +187,6 @@ static __init struct pci_dev *gx_detect_chipset(void) { struct pci_dev *gx_pci = NULL; - /* check if CPU is a MediaGX or a Geode. */ - if ((boot_cpu_data.x86_vendor != X86_VENDOR_NSC) && - (boot_cpu_data.x86_vendor != X86_VENDOR_CYRIX)) { - pr_debug("error: no MediaGX/Geode processor found!\n"); - return NULL; - } - /* detect which companion chip is used */ for_each_pci_dev(gx_pci) { if ((pci_match_id(gx_chipset_tbl, gx_pci)) != NULL) diff --git a/drivers/cpufreq/longhaul.c b/drivers/cpufreq/longhaul.c index f47d26e2a13..53ddbc760af 100644 --- a/drivers/cpufreq/longhaul.c +++ b/drivers/cpufreq/longhaul.c @@ -35,6 +35,7 @@ #include <linux/acpi.h> #include <asm/msr.h> +#include <asm/cpu_device_id.h> #include <acpi/processor.h> #include "longhaul.h" @@ -951,12 +952,17 @@ static struct cpufreq_driver longhaul_driver = { .attr = longhaul_attr, }; +static const struct x86_cpu_id longhaul_id[] = { + { X86_VENDOR_CENTAUR, 6 }, + {} +}; +MODULE_DEVICE_TABLE(x86cpu, longhaul_id); static int __init longhaul_init(void) { struct cpuinfo_x86 *c = &cpu_data(0); - if (c->x86_vendor != X86_VENDOR_CENTAUR || c->x86 != 6) + if (!x86_match_cpu(longhaul_id)) return -ENODEV; #ifdef CONFIG_SMP diff --git a/drivers/cpufreq/longrun.c b/drivers/cpufreq/longrun.c index 34ea359b370..8bc9f5fbbae 100644 --- a/drivers/cpufreq/longrun.c +++ b/drivers/cpufreq/longrun.c @@ -14,6 +14,7 @@ #include <asm/msr.h> #include <asm/processor.h> +#include <asm/cpu_device_id.h> static struct cpufreq_driver longrun_driver; @@ -288,6 +289,12 @@ static struct cpufreq_driver longrun_driver = { .owner = THIS_MODULE, }; +static const struct x86_cpu_id longrun_ids[] = { + { X86_VENDOR_TRANSMETA, X86_FAMILY_ANY, X86_MODEL_ANY, + X86_FEATURE_LONGRUN }, + {} +}; +MODULE_DEVICE_TABLE(x86cpu, longrun_ids); /** * longrun_init - initializes the Transmeta Crusoe LongRun CPUFreq driver @@ -296,12 +303,8 @@ static struct cpufreq_driver longrun_driver = { */ static int __init longrun_init(void) { - struct cpuinfo_x86 *c = &cpu_data(0); - - if (c->x86_vendor != X86_VENDOR_TRANSMETA || - !cpu_has(c, X86_FEATURE_LONGRUN)) + if (!x86_match_cpu(longrun_ids)) return -ENODEV; - return cpufreq_register_driver(&longrun_driver); } diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c index 6be3e0760c2..827629c9aad 100644 --- a/drivers/cpufreq/p4-clockmod.c +++ b/drivers/cpufreq/p4-clockmod.c @@ -31,6 +31,7 @@ #include <asm/processor.h> #include <asm/msr.h> #include <asm/timer.h> +#include <asm/cpu_device_id.h> #include "speedstep-lib.h" @@ -289,21 +290,25 @@ static struct cpufreq_driver p4clockmod_driver = { .attr = p4clockmod_attr, }; +static const struct x86_cpu_id cpufreq_p4_id[] = { + { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_ACC }, + {} +}; + +/* + * Intentionally no MODULE_DEVICE_TABLE here: this driver should not + * be auto loaded. Please don't add one. + */ static int __init cpufreq_p4_init(void) { - struct cpuinfo_x86 *c = &cpu_data(0); int ret; /* * THERM_CONTROL is architectural for IA32 now, so * we can rely on the capability checks */ - if (c->x86_vendor != X86_VENDOR_INTEL) - return -ENODEV; - - if (!test_cpu_cap(c, X86_FEATURE_ACPI) || - !test_cpu_cap(c, X86_FEATURE_ACC)) + if (!x86_match_cpu(cpufreq_p4_id) || !boot_cpu_has(X86_FEATURE_ACPI)) return -ENODEV; ret = cpufreq_register_driver(&p4clockmod_driver); diff --git a/drivers/cpufreq/powernow-k6.c b/drivers/cpufreq/powernow-k6.c index b3379d6a5c5..af23e0b9ec9 100644 --- a/drivers/cpufreq/powernow-k6.c +++ b/drivers/cpufreq/powernow-k6.c @@ -16,6 +16,7 @@ #include <linux/timex.h> #include <linux/io.h> +#include <asm/cpu_device_id.h> #include <asm/msr.h> #define POWERNOW_IOPORT 0xfff0 /* it doesn't matter where, as long @@ -210,6 +211,12 @@ static struct cpufreq_driver powernow_k6_driver = { .attr = powernow_k6_attr, }; +static const struct x86_cpu_id powernow_k6_ids[] = { + { X86_VENDOR_AMD, 5, 12 }, + { X86_VENDOR_AMD, 5, 13 }, + {} +}; +MODULE_DEVICE_TABLE(x86cpu, powernow_k6_ids); /** * powernow_k6_init - initializes the k6 PowerNow! CPUFreq driver @@ -220,10 +227,7 @@ static struct cpufreq_driver powernow_k6_driver = { */ static int __init powernow_k6_init(void) { - struct cpuinfo_x86 *c = &cpu_data(0); - - if ((c->x86_vendor != X86_VENDOR_AMD) || (c->x86 != 5) || - ((c->x86_model != 12) && (c->x86_model != 13))) + if (!x86_match_cpu(powernow_k6_ids)) return -ENODEV; if (!request_region(POWERNOW_IOPORT, 16, "PowerNow!")) { diff --git a/drivers/cpufreq/powernow-k7.c b/drivers/cpufreq/powernow-k7.c index d71d9f37235..cf7e1ee005a 100644 --- a/drivers/cpufreq/powernow-k7.c +++ b/drivers/cpufreq/powernow-k7.c @@ -28,6 +28,7 @@ #include <asm/timer.h> /* Needed for recalibrate_cpu_khz() */ #include <asm/msr.h> #include <asm/system.h> +#include <asm/cpu_device_id.h> #ifdef CONFIG_X86_POWERNOW_K7_ACPI #include <linux/acpi.h> @@ -110,18 +111,19 @@ static int check_fsb(unsigned int fsbspeed) return delta < 5; } +static const struct x86_cpu_id powernow_k7_cpuids[] = { + { X86_VENDOR_AMD, 6, }, + {} +}; +MODULE_DEVICE_TABLE(x86cpu, powernow_k7_cpuids); + static int check_powernow(void) { struct cpuinfo_x86 *c = &cpu_data(0); unsigned int maxei, eax, ebx, ecx, edx; - if ((c->x86_vendor != X86_VENDOR_AMD) || (c->x86 != 6)) { -#ifdef MODULE - printk(KERN_INFO PFX "This module only works with " - "AMD K7 CPUs\n"); -#endif + if (!x86_match_cpu(powernow_k7_cpuids)) return 0; - } /* Get maximum capabilities */ maxei = cpuid_eax(0x80000000); diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index 8f9b2ceeec8..c0e816468e3 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -40,6 +40,7 @@ #include <linux/delay.h> #include <asm/msr.h> +#include <asm/cpu_device_id.h> #include <linux/acpi.h> #include <linux/mutex.h> @@ -520,6 +521,15 @@ static int core_voltage_post_transition(struct powernow_k8_data *data, return 0; } +static const struct x86_cpu_id powernow_k8_ids[] = { + /* IO based frequency switching */ + { X86_VENDOR_AMD, 0xf }, + /* MSR based frequency switching supported */ + X86_FEATURE_MATCH(X86_FEATURE_HW_PSTATE), + {} +}; +MODULE_DEVICE_TABLE(x86cpu, powernow_k8_ids); + static void check_supported_cpu(void *_rc) { u32 eax, ebx, ecx, edx; @@ -527,13 +537,7 @@ static void check_supported_cpu(void *_rc) *rc = -ENODEV; - if (__this_cpu_read(cpu_info.x86_vendor) != X86_VENDOR_AMD) - return; - eax = cpuid_eax(CPUID_PROCESSOR_SIGNATURE); - if (((eax & CPUID_XFAM) != CPUID_XFAM_K8) && - ((eax & CPUID_XFAM) < CPUID_XFAM_10H)) - return; if ((eax & CPUID_XFAM) == CPUID_XFAM_K8) { if (((eax & CPUID_USE_XFAM_XMOD) != CPUID_USE_XFAM_XMOD) || @@ -1553,6 +1557,9 @@ static int __cpuinit powernowk8_init(void) unsigned int i, supported_cpus = 0, cpu; int rv; + if (!x86_match_cpu(powernow_k8_ids)) + return -ENODEV; + for_each_online_cpu(i) { int rc; smp_call_function_single(i, check_supported_cpu, &rc, 1); diff --git a/drivers/cpufreq/sc520_freq.c b/drivers/cpufreq/sc520_freq.c index 1e205e6b172..e42e073cd9b 100644 --- a/drivers/cpufreq/sc520_freq.c +++ b/drivers/cpufreq/sc520_freq.c @@ -22,6 +22,7 @@ #include <linux/timex.h> #include <linux/io.h> +#include <asm/cpu_device_id.h> #include <asm/msr.h> #define MMCR_BASE 0xfffef000 /* The default base address */ @@ -150,18 +151,19 @@ static struct cpufreq_driver sc520_freq_driver = { .attr = sc520_freq_attr, }; +static const struct x86_cpu_id sc520_ids[] = { + { X86_VENDOR_AMD, 4, 9 }, + {} +}; +MODULE_DEVICE_TABLE(x86cpu, sc520_ids); static int __init sc520_freq_init(void) { - struct cpuinfo_x86 *c = &cpu_data(0); int err; - /* Test if we have the right hardware */ - if (c->x86_vendor != X86_VENDOR_AMD || - c->x86 != 4 || c->x86_model != 9) { - pr_debug("no Elan SC520 processor found!\n"); + if (!x86_match_cpu(sc520_ids)) return -ENODEV; - } + cpuctl = ioremap((unsigned long)(MMCR_BASE + OFFS_CPUCTL), 1); if (!cpuctl) { printk(KERN_ERR "sc520_freq: error: failed to remap memory\n"); diff --git a/drivers/cpufreq/speedstep-centrino.c b/drivers/cpufreq/speedstep-centrino.c index 6ea3455def2..3a953d519f4 100644 --- a/drivers/cpufreq/speedstep-centrino.c +++ b/drivers/cpufreq/speedstep-centrino.c @@ -25,6 +25,7 @@ #include <asm/msr.h> #include <asm/processor.h> #include <asm/cpufeature.h> +#include <asm/cpu_device_id.h> #define PFX "speedstep-centrino: " #define MAINTAINER "cpufreq@vger.kernel.org" @@ -595,6 +596,24 @@ static struct cpufreq_driver centrino_driver = { .owner = THIS_MODULE, }; +/* + * This doesn't replace the detailed checks above because + * the generic CPU IDs don't have a way to match for steppings + * or ASCII model IDs. + */ +static const struct x86_cpu_id centrino_ids[] = { + { X86_VENDOR_INTEL, 6, 9, X86_FEATURE_EST }, + { X86_VENDOR_INTEL, 6, 13, X86_FEATURE_EST }, + { X86_VENDOR_INTEL, 6, 13, X86_FEATURE_EST }, + { X86_VENDOR_INTEL, 6, 13, X86_FEATURE_EST }, + { X86_VENDOR_INTEL, 15, 3, X86_FEATURE_EST }, + { X86_VENDOR_INTEL, 15, 4, X86_FEATURE_EST }, + {} +}; +#if 0 +/* Autoload or not? Do not for now. */ +MODULE_DEVICE_TABLE(x86cpu, centrino_ids); +#endif /** * centrino_init - initializes the Enhanced SpeedStep CPUFreq driver @@ -612,11 +631,8 @@ static struct cpufreq_driver centrino_driver = { */ static int __init centrino_init(void) { - struct cpuinfo_x86 *cpu = &cpu_data(0); - - if (!cpu_has(cpu, X86_FEATURE_EST)) + if (!x86_match_cpu(centrino_ids)) return -ENODEV; - return cpufreq_register_driver(¢rino_driver); } diff --git a/drivers/cpufreq/speedstep-ich.c b/drivers/cpufreq/speedstep-ich.c index a748ce782fe..7432b3a72cd 100644 --- a/drivers/cpufreq/speedstep-ich.c +++ b/drivers/cpufreq/speedstep-ich.c @@ -25,6 +25,8 @@ #include <linux/pci.h> #include <linux/sched.h> +#include <asm/cpu_device_id.h> + #include "speedstep-lib.h" @@ -388,6 +390,16 @@ static struct cpufreq_driver speedstep_driver = { .attr = speedstep_attr, }; +static const struct x86_cpu_id ss_smi_ids[] = { + { X86_VENDOR_INTEL, 6, 0xb, }, + { X86_VENDOR_INTEL, 6, 0x8, }, + { X86_VENDOR_INTEL, 15, 2 }, + {} +}; +#if 0 +/* Autoload or not? Do not for now. */ +MODULE_DEVICE_TABLE(x86cpu, ss_smi_ids); +#endif /** * speedstep_init - initializes the SpeedStep CPUFreq driver @@ -398,6 +410,9 @@ static struct cpufreq_driver speedstep_driver = { */ static int __init speedstep_init(void) { + if (!x86_match_cpu(ss_smi_ids)) + return -ENODEV; + /* detect processor */ speedstep_processor = speedstep_detect_processor(); if (!speedstep_processor) { diff --git a/drivers/cpufreq/speedstep-lib.c b/drivers/cpufreq/speedstep-lib.c index 8af2d2fd9d5..7047821a7f8 100644 --- a/drivers/cpufreq/speedstep-lib.c +++ b/drivers/cpufreq/speedstep-lib.c @@ -249,6 +249,7 @@ EXPORT_SYMBOL_GPL(speedstep_get_frequency); * DETECT SPEEDSTEP-CAPABLE PROCESSOR * *********************************************************************/ +/* Keep in sync with the x86_cpu_id tables in the different modules */ unsigned int speedstep_detect_processor(void) { struct cpuinfo_x86 *c = &cpu_data(0); diff --git a/drivers/cpufreq/speedstep-smi.c b/drivers/cpufreq/speedstep-smi.c index c76ead3490b..6a457fcaaad 100644 --- a/drivers/cpufreq/speedstep-smi.c +++ b/drivers/cpufreq/speedstep-smi.c @@ -20,6 +20,7 @@ #include <linux/delay.h> #include <linux/io.h> #include <asm/ist.h> +#include <asm/cpu_device_id.h> #include "speedstep-lib.h" @@ -379,6 +380,17 @@ static struct cpufreq_driver speedstep_driver = { .attr = speedstep_attr, }; +static const struct x86_cpu_id ss_smi_ids[] = { + { X86_VENDOR_INTEL, 6, 0xb, }, + { X86_VENDOR_INTEL, 6, 0x8, }, + { X86_VENDOR_INTEL, 15, 2 }, + {} +}; +#if 0 +/* Not auto loaded currently */ +MODULE_DEVICE_TABLE(x86cpu, ss_smi_ids); +#endif + /** * speedstep_init - initializes the SpeedStep CPUFreq driver * @@ -388,6 +400,9 @@ static struct cpufreq_driver speedstep_driver = { */ static int __init speedstep_init(void) { + if (!x86_match_cpu(ss_smi_ids)) + return -ENODEV; + speedstep_processor = speedstep_detect_processor(); switch (speedstep_processor) { diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 59f4261c753..6588f43017b 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -94,13 +94,13 @@ int cpuidle_idle_call(void) target_state = &drv->states[next_state]; - trace_power_start(POWER_CSTATE, next_state, dev->cpu); - trace_cpu_idle(next_state, dev->cpu); + trace_power_start_rcuidle(POWER_CSTATE, next_state, dev->cpu); + trace_cpu_idle_rcuidle(next_state, dev->cpu); entered_state = target_state->enter(dev, drv, next_state); - trace_power_end(dev->cpu); - trace_cpu_idle(PWR_EVENT_EXIT, dev->cpu); + trace_power_end_rcuidle(dev->cpu); + trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, dev->cpu); if (entered_state >= 0) { /* Update cpuidle counters */ diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c index 29b9469f837..37b2e9406af 100644 --- a/drivers/crypto/padlock-aes.c +++ b/drivers/crypto/padlock-aes.c @@ -19,6 +19,7 @@ #include <linux/percpu.h> #include <linux/smp.h> #include <linux/slab.h> +#include <asm/cpu_device_id.h> #include <asm/byteorder.h> #include <asm/processor.h> #include <asm/i387.h> @@ -503,12 +504,18 @@ static struct crypto_alg cbc_aes_alg = { } }; +static struct x86_cpu_id padlock_cpu_id[] = { + X86_FEATURE_MATCH(X86_FEATURE_XCRYPT), + {} +}; +MODULE_DEVICE_TABLE(x86cpu, padlock_cpu_id); + static int __init padlock_init(void) { int ret; struct cpuinfo_x86 *c = &cpu_data(0); - if (!cpu_has_xcrypt) + if (!x86_match_cpu(padlock_cpu_id)) return -ENODEV; if (!cpu_has_xcrypt_enabled) { diff --git a/drivers/crypto/padlock-sha.c b/drivers/crypto/padlock-sha.c index 06bdb4b2c6a..9266c0e2549 100644 --- a/drivers/crypto/padlock-sha.c +++ b/drivers/crypto/padlock-sha.c @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/scatterlist.h> +#include <asm/cpu_device_id.h> #include <asm/i387.h> struct padlock_sha_desc { @@ -526,6 +527,12 @@ static struct shash_alg sha256_alg_nano = { } }; +static struct x86_cpu_id padlock_sha_ids[] = { + X86_FEATURE_MATCH(X86_FEATURE_PHE), + {} +}; +MODULE_DEVICE_TABLE(x86cpu, padlock_sha_ids); + static int __init padlock_init(void) { int rc = -ENODEV; @@ -533,15 +540,8 @@ static int __init padlock_init(void) struct shash_alg *sha1; struct shash_alg *sha256; - if (!cpu_has_phe) { - printk(KERN_NOTICE PFX "VIA PadLock Hash Engine not detected.\n"); - return -ENODEV; - } - - if (!cpu_has_phe_enabled) { - printk(KERN_NOTICE PFX "VIA PadLock detected, but not enabled. Hmm, strange...\n"); + if (!x86_match_cpu(padlock_sha_ids) || !cpu_has_phe_enabled) return -ENODEV; - } /* Register the newly added algorithm module if on * * VIA Nano processor, or else just do as before */ diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index 618bd4d87d2..99d5527b2ca 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -54,14 +54,14 @@ convert_to_display_mode(struct drm_display_mode *mode, mode->vrefresh = timing->refresh; mode->hdisplay = timing->xres; - mode->hsync_start = mode->hdisplay + timing->left_margin; + mode->hsync_start = mode->hdisplay + timing->right_margin; mode->hsync_end = mode->hsync_start + timing->hsync_len; - mode->htotal = mode->hsync_end + timing->right_margin; + mode->htotal = mode->hsync_end + timing->left_margin; mode->vdisplay = timing->yres; - mode->vsync_start = mode->vdisplay + timing->upper_margin; + mode->vsync_start = mode->vdisplay + timing->lower_margin; mode->vsync_end = mode->vsync_start + timing->vsync_len; - mode->vtotal = mode->vsync_end + timing->lower_margin; + mode->vtotal = mode->vsync_end + timing->upper_margin; mode->width_mm = panel->width_mm; mode->height_mm = panel->height_mm; @@ -85,14 +85,14 @@ convert_to_video_timing(struct fb_videomode *timing, timing->refresh = drm_mode_vrefresh(mode); timing->xres = mode->hdisplay; - timing->left_margin = mode->hsync_start - mode->hdisplay; + timing->right_margin = mode->hsync_start - mode->hdisplay; timing->hsync_len = mode->hsync_end - mode->hsync_start; - timing->right_margin = mode->htotal - mode->hsync_end; + timing->left_margin = mode->htotal - mode->hsync_end; timing->yres = mode->vdisplay; - timing->upper_margin = mode->vsync_start - mode->vdisplay; + timing->lower_margin = mode->vsync_start - mode->vdisplay; timing->vsync_len = mode->vsync_end - mode->vsync_start; - timing->lower_margin = mode->vtotal - mode->vsync_end; + timing->upper_margin = mode->vtotal - mode->vsync_end; if (mode->flags & DRM_MODE_FLAG_INTERLACE) timing->vmode = FB_VMODE_INTERLACED; diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 58820ebd355..09cc13f791b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -246,7 +246,7 @@ static struct platform_driver exynos_drm_platform_driver = { .remove = __devexit_p(exynos_drm_platform_remove), .driver = { .owner = THIS_MODULE, - .name = DRIVER_NAME, + .name = "exynos-drm", }, }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 3508700e529..54f8f074822 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -46,39 +46,13 @@ struct exynos_drm_fbdev { struct exynos_drm_gem_obj *exynos_gem_obj; }; -static int exynos_drm_fbdev_set_par(struct fb_info *info) -{ - struct fb_var_screeninfo *var = &info->var; - - switch (var->bits_per_pixel) { - case 32: - case 24: - case 18: - case 16: - case 12: - info->fix.visual = FB_VISUAL_TRUECOLOR; - break; - case 1: - info->fix.visual = FB_VISUAL_MONO01; - break; - default: - info->fix.visual = FB_VISUAL_PSEUDOCOLOR; - break; - } - - info->fix.line_length = (var->xres_virtual * var->bits_per_pixel) / 8; - - return drm_fb_helper_set_par(info); -} - - static struct fb_ops exynos_drm_fb_ops = { .owner = THIS_MODULE, .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_imageblit, .fb_check_var = drm_fb_helper_check_var, - .fb_set_par = exynos_drm_fbdev_set_par, + .fb_set_par = drm_fb_helper_set_par, .fb_blank = drm_fb_helper_blank, .fb_pan_display = drm_fb_helper_pan_display, .fb_setcmap = drm_fb_helper_setcmap, diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 360adf2bba0..56458eea050 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -817,8 +817,6 @@ static int __devinit fimd_probe(struct platform_device *pdev) goto err_clk_get; } - clk_enable(ctx->bus_clk); - ctx->lcd_clk = clk_get(dev, "sclk_fimd"); if (IS_ERR(ctx->lcd_clk)) { dev_err(dev, "failed to get lcd clock\n"); @@ -826,8 +824,6 @@ static int __devinit fimd_probe(struct platform_device *pdev) goto err_bus_clk; } - clk_enable(ctx->lcd_clk); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(dev, "failed to find registers\n"); @@ -864,17 +860,11 @@ static int __devinit fimd_probe(struct platform_device *pdev) goto err_req_irq; } - ctx->clkdiv = fimd_calc_clkdiv(ctx, &panel->timing); ctx->vidcon0 = pdata->vidcon0; ctx->vidcon1 = pdata->vidcon1; ctx->default_win = pdata->default_win; ctx->panel = panel; - panel->timing.pixclock = clk_get_rate(ctx->lcd_clk) / ctx->clkdiv; - - DRM_DEBUG_KMS("pixel clock = %d, clkdiv = %d\n", - panel->timing.pixclock, ctx->clkdiv); - subdrv = &ctx->subdrv; subdrv->probe = fimd_subdrv_probe; @@ -889,10 +879,15 @@ static int __devinit fimd_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ctx); - pm_runtime_set_active(dev); pm_runtime_enable(dev); pm_runtime_get_sync(dev); + ctx->clkdiv = fimd_calc_clkdiv(ctx, &panel->timing); + panel->timing.pixclock = clk_get_rate(ctx->lcd_clk) / ctx->clkdiv; + + DRM_DEBUG_KMS("pixel clock = %d, clkdiv = %d\n", + panel->timing.pixclock, ctx->clkdiv); + for (win = 0; win < WINDOWS_NR; win++) fimd_clear_win(ctx, win); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 03c53fcf865..558ac716a32 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2689,7 +2689,7 @@ #define DVS_FORMAT_RGBX888 (2<<25) #define DVS_FORMAT_RGBX161616 (3<<25) #define DVS_SOURCE_KEY (1<<22) -#define DVS_RGB_ORDER_RGBX (1<<20) +#define DVS_RGB_ORDER_XBGR (1<<20) #define DVS_YUV_BYTE_ORDER_MASK (3<<16) #define DVS_YUV_ORDER_YUYV (0<<16) #define DVS_YUV_ORDER_UYVY (1<<16) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index f851db7be2c..397087cf689 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7828,6 +7828,7 @@ int intel_framebuffer_init(struct drm_device *dev, case DRM_FORMAT_RGB332: case DRM_FORMAT_RGB565: case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_XBGR8888: case DRM_FORMAT_ARGB8888: case DRM_FORMAT_XRGB2101010: case DRM_FORMAT_ARGB2101010: diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 2288abf88cc..a0835040c86 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -225,16 +225,16 @@ snb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb, /* Mask out pixel format bits in case we change it */ dvscntr &= ~DVS_PIXFORMAT_MASK; - dvscntr &= ~DVS_RGB_ORDER_RGBX; + dvscntr &= ~DVS_RGB_ORDER_XBGR; dvscntr &= ~DVS_YUV_BYTE_ORDER_MASK; switch (fb->pixel_format) { case DRM_FORMAT_XBGR8888: - dvscntr |= DVS_FORMAT_RGBX888; + dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR; pixel_size = 4; break; case DRM_FORMAT_XRGB8888: - dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_RGBX; + dvscntr |= DVS_FORMAT_RGBX888; pixel_size = 4; break; case DRM_FORMAT_YUYV: diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index af08ce7207d..bce53fa0e16 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1619,11 +1619,7 @@ static ssize_t store_new_id(struct device_driver *drv, const char *buf, list_add_tail(&dynid->list, &hdrv->dyn_list); spin_unlock(&hdrv->dyn_lock); - ret = 0; - if (get_driver(&hdrv->driver)) { - ret = driver_attach(&hdrv->driver); - put_driver(&hdrv->driver); - } + ret = driver_attach(&hdrv->driver); return ret ? : count; } diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 36484db36ba..9ffbfc575a0 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -37,81 +37,6 @@ struct vmbus_channel_message_table_entry { void (*message_handler)(struct vmbus_channel_message_header *msg); }; -#define MAX_MSG_TYPES 4 -#define MAX_NUM_DEVICE_CLASSES_SUPPORTED 8 - -static const uuid_le - supported_device_classes[MAX_NUM_DEVICE_CLASSES_SUPPORTED] = { - /* {ba6163d9-04a1-4d29-b605-72e2ffb1dc7f} */ - /* Storage - SCSI */ - { - .b = { - 0xd9, 0x63, 0x61, 0xba, 0xa1, 0x04, 0x29, 0x4d, - 0xb6, 0x05, 0x72, 0xe2, 0xff, 0xb1, 0xdc, 0x7f - } - }, - - /* {F8615163-DF3E-46c5-913F-F2D2F965ED0E} */ - /* Network */ - { - .b = { - 0x63, 0x51, 0x61, 0xF8, 0x3E, 0xDF, 0xc5, 0x46, - 0x91, 0x3F, 0xF2, 0xD2, 0xF9, 0x65, 0xED, 0x0E - } - }, - - /* {CFA8B69E-5B4A-4cc0-B98B-8BA1A1F3F95A} */ - /* Input */ - { - .b = { - 0x9E, 0xB6, 0xA8, 0xCF, 0x4A, 0x5B, 0xc0, 0x4c, - 0xB9, 0x8B, 0x8B, 0xA1, 0xA1, 0xF3, 0xF9, 0x5A - } - }, - - /* {32412632-86cb-44a2-9b5c-50d1417354f5} */ - /* IDE */ - { - .b = { - 0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44, - 0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5 - } - }, - /* 0E0B6031-5213-4934-818B-38D90CED39DB */ - /* Shutdown */ - { - .b = { - 0x31, 0x60, 0x0B, 0X0E, 0x13, 0x52, 0x34, 0x49, - 0x81, 0x8B, 0x38, 0XD9, 0x0C, 0xED, 0x39, 0xDB - } - }, - /* {9527E630-D0AE-497b-ADCE-E80AB0175CAF} */ - /* TimeSync */ - { - .b = { - 0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49, - 0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf - } - }, - /* {57164f39-9115-4e78-ab55-382f3bd5422d} */ - /* Heartbeat */ - { - .b = { - 0x39, 0x4f, 0x16, 0x57, 0x15, 0x91, 0x78, 0x4e, - 0xab, 0x55, 0x38, 0x2f, 0x3b, 0xd5, 0x42, 0x2d - } - }, - /* {A9A0F4E7-5A45-4d96-B827-8A841E8C03E6} */ - /* KVP */ - { - .b = { - 0xe7, 0xf4, 0xa0, 0xa9, 0x45, 0x5a, 0x96, 0x4d, - 0xb8, 0x27, 0x8a, 0x84, 0x1e, 0x8c, 0x3, 0xe6 - } - }, - -}; - /** * vmbus_prep_negotiate_resp() - Create default response for Hyper-V Negotiate message @@ -321,20 +246,8 @@ static void vmbus_onoffer(struct vmbus_channel_message_header *hdr) struct vmbus_channel *newchannel; uuid_le *guidtype; uuid_le *guidinstance; - int i; - int fsupported = 0; offer = (struct vmbus_channel_offer_channel *)hdr; - for (i = 0; i < MAX_NUM_DEVICE_CLASSES_SUPPORTED; i++) { - if (!uuid_le_cmp(offer->offer.if_type, - supported_device_classes[i])) { - fsupported = 1; - break; - } - } - - if (!fsupported) - return; guidtype = &offer->offer.if_type; guidinstance = &offer->offer.if_instance; diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index 12aa97f31f9..15956bd48b4 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -155,9 +155,9 @@ int hv_init(void) union hv_x64_msr_hypercall_contents hypercall_msr; void *virtaddr = NULL; - memset(hv_context.synic_event_page, 0, sizeof(void *) * MAX_NUM_CPUS); + memset(hv_context.synic_event_page, 0, sizeof(void *) * NR_CPUS); memset(hv_context.synic_message_page, 0, - sizeof(void *) * MAX_NUM_CPUS); + sizeof(void *) * NR_CPUS); if (!query_hypervisor_presence()) goto cleanup; diff --git a/drivers/hv/hv_kvp.c b/drivers/hv/hv_kvp.c index 0e8343f585b..6186025209c 100644 --- a/drivers/hv/hv_kvp.c +++ b/drivers/hv/hv_kvp.c @@ -28,8 +28,6 @@ #include <linux/workqueue.h> #include <linux/hyperv.h> -#include "hv_kvp.h" - /* @@ -44,9 +42,10 @@ static struct { bool active; /* transaction status - active or not */ int recv_len; /* number of bytes received. */ - int index; /* current index */ + struct hv_kvp_msg *kvp_msg; /* current message */ struct vmbus_channel *recv_channel; /* chn we got the request */ u64 recv_req_id; /* request ID. */ + void *kvp_context; /* for the channel callback */ } kvp_transaction; static void kvp_send_key(struct work_struct *dummy); @@ -73,15 +72,20 @@ kvp_register(void) { struct cn_msg *msg; + struct hv_kvp_msg *kvp_msg; + char *version; - msg = kzalloc(sizeof(*msg) + strlen(HV_DRV_VERSION) + 1 , GFP_ATOMIC); + msg = kzalloc(sizeof(*msg) + sizeof(struct hv_kvp_msg), GFP_ATOMIC); if (msg) { + kvp_msg = (struct hv_kvp_msg *)msg->data; + version = kvp_msg->body.kvp_register.version; msg->id.idx = CN_KVP_IDX; msg->id.val = CN_KVP_VAL; - msg->seq = KVP_REGISTER; - strcpy(msg->data, HV_DRV_VERSION); - msg->len = strlen(HV_DRV_VERSION) + 1; + + kvp_msg->kvp_hdr.operation = KVP_OP_REGISTER; + strcpy(version, HV_DRV_VERSION); + msg->len = sizeof(struct hv_kvp_msg); cn_netlink_send(msg, 0, GFP_ATOMIC); kfree(msg); } @@ -103,23 +107,28 @@ kvp_work_func(struct work_struct *dummy) static void kvp_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp) { - struct hv_ku_msg *message; + struct hv_kvp_msg *message; + struct hv_kvp_msg_enumerate *data; - message = (struct hv_ku_msg *)msg->data; - if (msg->seq == KVP_REGISTER) { + message = (struct hv_kvp_msg *)msg->data; + switch (message->kvp_hdr.operation) { + case KVP_OP_REGISTER: pr_info("KVP: user-mode registering done.\n"); kvp_register(); - } + kvp_transaction.active = false; + hv_kvp_onchannelcallback(kvp_transaction.kvp_context); + break; - if (msg->seq == KVP_USER_SET) { + default: + data = &message->body.kvp_enum_data; /* * Complete the transaction by forwarding the key value * to the host. But first, cancel the timeout. */ if (cancel_delayed_work_sync(&kvp_work)) - kvp_respond_to_host(message->kvp_key, - message->kvp_value, - !strlen(message->kvp_key)); + kvp_respond_to_host(data->data.key, + data->data.value, + !strlen(data->data.key)); } } @@ -127,19 +136,105 @@ static void kvp_send_key(struct work_struct *dummy) { struct cn_msg *msg; - int index = kvp_transaction.index; + struct hv_kvp_msg *message; + struct hv_kvp_msg *in_msg; + __u8 operation = kvp_transaction.kvp_msg->kvp_hdr.operation; + __u8 pool = kvp_transaction.kvp_msg->kvp_hdr.pool; + __u32 val32; + __u64 val64; msg = kzalloc(sizeof(*msg) + sizeof(struct hv_kvp_msg) , GFP_ATOMIC); + if (!msg) + return; - if (msg) { - msg->id.idx = CN_KVP_IDX; - msg->id.val = CN_KVP_VAL; - msg->seq = KVP_KERNEL_GET; - ((struct hv_ku_msg *)msg->data)->kvp_index = index; - msg->len = sizeof(struct hv_ku_msg); - cn_netlink_send(msg, 0, GFP_ATOMIC); - kfree(msg); + msg->id.idx = CN_KVP_IDX; + msg->id.val = CN_KVP_VAL; + + message = (struct hv_kvp_msg *)msg->data; + message->kvp_hdr.operation = operation; + message->kvp_hdr.pool = pool; + in_msg = kvp_transaction.kvp_msg; + + /* + * The key/value strings sent from the host are encoded in + * in utf16; convert it to utf8 strings. + * The host assures us that the utf16 strings will not exceed + * the max lengths specified. We will however, reserve room + * for the string terminating character - in the utf16s_utf8s() + * function we limit the size of the buffer where the converted + * string is placed to HV_KVP_EXCHANGE_MAX_*_SIZE -1 to gaurantee + * that the strings can be properly terminated! + */ + + switch (message->kvp_hdr.operation) { + case KVP_OP_SET: + switch (in_msg->body.kvp_set.data.value_type) { + case REG_SZ: + /* + * The value is a string - utf16 encoding. + */ + message->body.kvp_set.data.value_size = + utf16s_to_utf8s( + (wchar_t *)in_msg->body.kvp_set.data.value, + in_msg->body.kvp_set.data.value_size, + UTF16_LITTLE_ENDIAN, + message->body.kvp_set.data.value, + HV_KVP_EXCHANGE_MAX_VALUE_SIZE - 1) + 1; + break; + + case REG_U32: + /* + * The value is a 32 bit scalar. + * We save this as a utf8 string. + */ + val32 = in_msg->body.kvp_set.data.value_u32; + message->body.kvp_set.data.value_size = + sprintf(message->body.kvp_set.data.value, + "%d", val32) + 1; + break; + + case REG_U64: + /* + * The value is a 64 bit scalar. + * We save this as a utf8 string. + */ + val64 = in_msg->body.kvp_set.data.value_u64; + message->body.kvp_set.data.value_size = + sprintf(message->body.kvp_set.data.value, + "%llu", val64) + 1; + break; + + } + case KVP_OP_GET: + message->body.kvp_set.data.key_size = + utf16s_to_utf8s( + (wchar_t *)in_msg->body.kvp_set.data.key, + in_msg->body.kvp_set.data.key_size, + UTF16_LITTLE_ENDIAN, + message->body.kvp_set.data.key, + HV_KVP_EXCHANGE_MAX_KEY_SIZE - 1) + 1; + break; + + case KVP_OP_DELETE: + message->body.kvp_delete.key_size = + utf16s_to_utf8s( + (wchar_t *)in_msg->body.kvp_delete.key, + in_msg->body.kvp_delete.key_size, + UTF16_LITTLE_ENDIAN, + message->body.kvp_delete.key, + HV_KVP_EXCHANGE_MAX_KEY_SIZE - 1) + 1; + break; + + case KVP_OP_ENUMERATE: + message->body.kvp_enum_data.index = + in_msg->body.kvp_enum_data.index; + break; } + + msg->len = sizeof(struct hv_kvp_msg); + cn_netlink_send(msg, 0, GFP_ATOMIC); + kfree(msg); + return; } @@ -151,10 +246,11 @@ static void kvp_respond_to_host(char *key, char *value, int error) { struct hv_kvp_msg *kvp_msg; - struct hv_kvp_msg_enumerate *kvp_data; + struct hv_kvp_exchg_msg_value *kvp_data; char *key_name; struct icmsg_hdr *icmsghdrp; - int keylen, valuelen; + int keylen = 0; + int valuelen = 0; u32 buf_len; struct vmbus_channel *channel; u64 req_id; @@ -181,6 +277,9 @@ kvp_respond_to_host(char *key, char *value, int error) kvp_transaction.active = false; + icmsghdrp = (struct icmsg_hdr *) + &recv_buffer[sizeof(struct vmbuspipe_hdr)]; + if (channel->onchannel_callback == NULL) /* * We have raced with util driver being unloaded; @@ -188,41 +287,67 @@ kvp_respond_to_host(char *key, char *value, int error) */ return; - icmsghdrp = (struct icmsg_hdr *) - &recv_buffer[sizeof(struct vmbuspipe_hdr)]; - kvp_msg = (struct hv_kvp_msg *) - &recv_buffer[sizeof(struct vmbuspipe_hdr) + - sizeof(struct icmsg_hdr)]; - kvp_data = &kvp_msg->kvp_data; - key_name = key; /* - * If the error parameter is set, terminate the host's enumeration. + * If the error parameter is set, terminate the host's enumeration + * on this pool. */ if (error) { /* - * We don't support this index or the we have timedout; - * terminate the host-side iteration by returning an error. + * Something failed or the we have timedout; + * terminate the current host-side iteration. */ - icmsghdrp->status = HV_E_FAIL; + icmsghdrp->status = HV_S_CONT; goto response_done; } + icmsghdrp->status = HV_S_OK; + + kvp_msg = (struct hv_kvp_msg *) + &recv_buffer[sizeof(struct vmbuspipe_hdr) + + sizeof(struct icmsg_hdr)]; + + switch (kvp_transaction.kvp_msg->kvp_hdr.operation) { + case KVP_OP_GET: + kvp_data = &kvp_msg->body.kvp_get.data; + goto copy_value; + + case KVP_OP_SET: + case KVP_OP_DELETE: + goto response_done; + + default: + break; + } + + kvp_data = &kvp_msg->body.kvp_enum_data.data; + key_name = key; + /* * The windows host expects the key/value pair to be encoded - * in utf16. + * in utf16. Ensure that the key/value size reported to the host + * will be less than or equal to the MAX size (including the + * terminating character). */ keylen = utf8s_to_utf16s(key_name, strlen(key_name), UTF16_HOST_ENDIAN, - (wchar_t *) kvp_data->data.key, - HV_KVP_EXCHANGE_MAX_KEY_SIZE / 2); - kvp_data->data.key_size = 2*(keylen + 1); /* utf16 encoding */ + (wchar_t *) kvp_data->key, + (HV_KVP_EXCHANGE_MAX_KEY_SIZE / 2) - 2); + kvp_data->key_size = 2*(keylen + 1); /* utf16 encoding */ + +copy_value: valuelen = utf8s_to_utf16s(value, strlen(value), UTF16_HOST_ENDIAN, - (wchar_t *) kvp_data->data.value, - HV_KVP_EXCHANGE_MAX_VALUE_SIZE / 2); - kvp_data->data.value_size = 2*(valuelen + 1); /* utf16 encoding */ + (wchar_t *) kvp_data->value, + (HV_KVP_EXCHANGE_MAX_VALUE_SIZE / 2) - 2); + kvp_data->value_size = 2*(valuelen + 1); /* utf16 encoding */ - kvp_data->data.value_type = REG_SZ; /* all our values are strings */ - icmsghdrp->status = HV_S_OK; + /* + * If the utf8s to utf16s conversion failed; notify host + * of the error. + */ + if ((keylen < 0) || (valuelen < 0)) + icmsghdrp->status = HV_E_FAIL; + + kvp_data->value_type = REG_SZ; /* all our values are strings */ response_done: icmsghdrp->icflags = ICMSGHDRFLAG_TRANSACTION | ICMSGHDRFLAG_RESPONSE; @@ -249,11 +374,18 @@ void hv_kvp_onchannelcallback(void *context) u64 requestid; struct hv_kvp_msg *kvp_msg; - struct hv_kvp_msg_enumerate *kvp_data; struct icmsg_hdr *icmsghdrp; struct icmsg_negotiate *negop = NULL; + if (kvp_transaction.active) { + /* + * We will defer processing this callback once + * the current transaction is complete. + */ + kvp_transaction.kvp_context = context; + return; + } vmbus_recvpacket(channel, recv_buffer, PAGE_SIZE, &recvlen, &requestid); @@ -268,29 +400,16 @@ void hv_kvp_onchannelcallback(void *context) sizeof(struct vmbuspipe_hdr) + sizeof(struct icmsg_hdr)]; - kvp_data = &kvp_msg->kvp_data; - - /* - * We only support the "get" operation on - * "KVP_POOL_AUTO" pool. - */ - - if ((kvp_msg->kvp_hdr.pool != KVP_POOL_AUTO) || - (kvp_msg->kvp_hdr.operation != - KVP_OP_ENUMERATE)) { - icmsghdrp->status = HV_E_FAIL; - goto callback_done; - } - /* * Stash away this global state for completing the * transaction; note transactions are serialized. */ + kvp_transaction.recv_len = recvlen; kvp_transaction.recv_channel = channel; kvp_transaction.recv_req_id = requestid; kvp_transaction.active = true; - kvp_transaction.index = kvp_data->index; + kvp_transaction.kvp_msg = kvp_msg; /* * Get the information from the @@ -308,8 +427,6 @@ void hv_kvp_onchannelcallback(void *context) } -callback_done: - icmsghdrp->icflags = ICMSGHDRFLAG_TRANSACTION | ICMSGHDRFLAG_RESPONSE; @@ -330,6 +447,14 @@ hv_kvp_init(struct hv_util_service *srv) return err; recv_buffer = srv->recv_buffer; + /* + * When this driver loads, the user level daemon that + * processes the host requests may not yet be running. + * Defer processing channel callbacks until the daemon + * has registered. + */ + kvp_transaction.active = true; + return 0; } diff --git a/drivers/hv/hv_kvp.h b/drivers/hv/hv_kvp.h deleted file mode 100644 index 9b765d7df83..00000000000 --- a/drivers/hv/hv_kvp.h +++ /dev/null @@ -1,184 +0,0 @@ -/* - * An implementation of HyperV key value pair (KVP) functionality for Linux. - * - * - * Copyright (C) 2010, Novell, Inc. - * Author : K. Y. Srinivasan <ksrinivasan@novell.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - */ -#ifndef _KVP_H -#define _KVP_H_ - -/* - * Maximum value size - used for both key names and value data, and includes - * any applicable NULL terminators. - * - * Note: This limit is somewhat arbitrary, but falls easily within what is - * supported for all native guests (back to Win 2000) and what is reasonable - * for the IC KVP exchange functionality. Note that Windows Me/98/95 are - * limited to 255 character key names. - * - * MSDN recommends not storing data values larger than 2048 bytes in the - * registry. - * - * Note: This value is used in defining the KVP exchange message - this value - * cannot be modified without affecting the message size and compatibility. - */ - -/* - * bytes, including any null terminators - */ -#define HV_KVP_EXCHANGE_MAX_VALUE_SIZE (2048) - - -/* - * Maximum key size - the registry limit for the length of an entry name - * is 256 characters, including the null terminator - */ - -#define HV_KVP_EXCHANGE_MAX_KEY_SIZE (512) - -/* - * In Linux, we implement the KVP functionality in two components: - * 1) The kernel component which is packaged as part of the hv_utils driver - * is responsible for communicating with the host and responsible for - * implementing the host/guest protocol. 2) A user level daemon that is - * responsible for data gathering. - * - * Host/Guest Protocol: The host iterates over an index and expects the guest - * to assign a key name to the index and also return the value corresponding to - * the key. The host will have atmost one KVP transaction outstanding at any - * given point in time. The host side iteration stops when the guest returns - * an error. Microsoft has specified the following mapping of key names to - * host specified index: - * - * Index Key Name - * 0 FullyQualifiedDomainName - * 1 IntegrationServicesVersion - * 2 NetworkAddressIPv4 - * 3 NetworkAddressIPv6 - * 4 OSBuildNumber - * 5 OSName - * 6 OSMajorVersion - * 7 OSMinorVersion - * 8 OSVersion - * 9 ProcessorArchitecture - * - * The Windows host expects the Key Name and Key Value to be encoded in utf16. - * - * Guest Kernel/KVP Daemon Protocol: As noted earlier, we implement all of the - * data gathering functionality in a user mode daemon. The user level daemon - * is also responsible for binding the key name to the index as well. The - * kernel and user-level daemon communicate using a connector channel. - * - * The user mode component first registers with the - * the kernel component. Subsequently, the kernel component requests, data - * for the specified keys. In response to this message the user mode component - * fills in the value corresponding to the specified key. We overload the - * sequence field in the cn_msg header to define our KVP message types. - * - * - * The kernel component simply acts as a conduit for communication between the - * Windows host and the user-level daemon. The kernel component passes up the - * index received from the Host to the user-level daemon. If the index is - * valid (supported), the corresponding key as well as its - * value (both are strings) is returned. If the index is invalid - * (not supported), a NULL key string is returned. - */ - -/* - * - * The following definitions are shared with the user-mode component; do not - * change any of this without making the corresponding changes in - * the KVP user-mode component. - */ - -#define CN_KVP_VAL 0x1 /* This supports queries from the kernel */ -#define CN_KVP_USER_VAL 0x2 /* This supports queries from the user */ - -enum hv_ku_op { - KVP_REGISTER = 0, /* Register the user mode component */ - KVP_KERNEL_GET, /* Kernel is requesting the value */ - KVP_KERNEL_SET, /* Kernel is providing the value */ - KVP_USER_GET, /* User is requesting the value */ - KVP_USER_SET /* User is providing the value */ -}; - -struct hv_ku_msg { - __u32 kvp_index; /* Key index */ - __u8 kvp_key[HV_KVP_EXCHANGE_MAX_KEY_SIZE]; /* Key name */ - __u8 kvp_value[HV_KVP_EXCHANGE_MAX_VALUE_SIZE]; /* Key value */ -}; - - - - -#ifdef __KERNEL__ - -/* - * Registry value types. - */ - -#define REG_SZ 1 - -enum hv_kvp_exchg_op { - KVP_OP_GET = 0, - KVP_OP_SET, - KVP_OP_DELETE, - KVP_OP_ENUMERATE, - KVP_OP_COUNT /* Number of operations, must be last. */ -}; - -enum hv_kvp_exchg_pool { - KVP_POOL_EXTERNAL = 0, - KVP_POOL_GUEST, - KVP_POOL_AUTO, - KVP_POOL_AUTO_EXTERNAL, - KVP_POOL_AUTO_INTERNAL, - KVP_POOL_COUNT /* Number of pools, must be last. */ -}; - -struct hv_kvp_hdr { - u8 operation; - u8 pool; -}; - -struct hv_kvp_exchg_msg_value { - u32 value_type; - u32 key_size; - u32 value_size; - u8 key[HV_KVP_EXCHANGE_MAX_KEY_SIZE]; - u8 value[HV_KVP_EXCHANGE_MAX_VALUE_SIZE]; -}; - -struct hv_kvp_msg_enumerate { - u32 index; - struct hv_kvp_exchg_msg_value data; -}; - -struct hv_kvp_msg { - struct hv_kvp_hdr kvp_hdr; - struct hv_kvp_msg_enumerate kvp_data; -}; - -int hv_kvp_init(struct hv_util_service *); -void hv_kvp_deinit(void); -void hv_kvp_onchannelcallback(void *); - -#endif /* __KERNEL__ */ -#endif /* _KVP_H */ - diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c index 55d58f21e6d..dbb8b8eec21 100644 --- a/drivers/hv/hv_util.c +++ b/drivers/hv/hv_util.c @@ -28,9 +28,6 @@ #include <linux/reboot.h> #include <linux/hyperv.h> -#include "hv_kvp.h" - - static void shutdown_onchannelcallback(void *context); static struct hv_util_service util_shutdown = { .util_cb = shutdown_onchannelcallback, diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h index 6d7d286d544..699f0d8e59e 100644 --- a/drivers/hv/hyperv_vmbus.h +++ b/drivers/hv/hyperv_vmbus.h @@ -457,7 +457,6 @@ static const uuid_le VMBUS_SERVICE_ID = { }, }; -#define MAX_NUM_CPUS 32 struct hv_input_signal_event_buffer { @@ -483,8 +482,8 @@ struct hv_context { /* 8-bytes aligned of the buffer above */ struct hv_input_signal_event *signal_event_param; - void *synic_message_page[MAX_NUM_CPUS]; - void *synic_event_page[MAX_NUM_CPUS]; + void *synic_message_page[NR_CPUS]; + void *synic_event_page[NR_CPUS]; }; extern struct hv_context hv_context; diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index a6c6ec36615..249ac460e3d 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -39,6 +39,7 @@ #include <linux/moduleparam.h> #include <asm/msr.h> #include <asm/processor.h> +#include <asm/cpu_device_id.h> #define DRVNAME "coretemp" @@ -759,13 +760,23 @@ static struct notifier_block coretemp_cpu_notifier __refdata = { .notifier_call = coretemp_cpu_callback, }; +static const struct x86_cpu_id coretemp_ids[] = { + { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_DTS }, + {} +}; +MODULE_DEVICE_TABLE(x86cpu, coretemp_ids); + static int __init coretemp_init(void) { int i, err = -ENODEV; - /* quick check if we run Intel */ - if (cpu_data(0).x86_vendor != X86_VENDOR_INTEL) - goto exit; + /* + * CPUID.06H.EAX[0] indicates whether the CPU has thermal + * sensors. We check this bit only, all the early CPUs + * without thermal sensors will be filtered out. + */ + if (!x86_match_cpu(coretemp_ids)) + return -ENODEV; err = platform_driver_register(&coretemp_driver); if (err) diff --git a/drivers/hwmon/pmbus/zl6100.c b/drivers/hwmon/pmbus/zl6100.c index 880b90cf4d3..e3e8420b7b8 100644 --- a/drivers/hwmon/pmbus/zl6100.c +++ b/drivers/hwmon/pmbus/zl6100.c @@ -200,17 +200,11 @@ static int zl6100_probe(struct i2c_client *client, data->id = mid->driver_data; /* - * ZL2005, ZL2008, ZL2105, and ZL6100 are known to require a wait time - * between I2C accesses. ZL2004 and ZL6105 are known to be safe. - * Other chips have not yet been tested. - * - * Only clear the wait time for chips known to be safe. The wait time - * can be cleared later for additional chips if tests show that it - * is not needed (in other words, better be safe than sorry). + * According to information from the chip vendor, all currently + * supported chips are known to require a wait time between I2C + * accesses. */ data->delay = delay; - if (data->id == zl2004 || data->id == zl6105) - data->delay = 0; /* * Since there was a direct I2C device access above, wait before diff --git a/drivers/hwmon/via-cputemp.c b/drivers/hwmon/via-cputemp.c index 8eac67d769f..8689664ef03 100644 --- a/drivers/hwmon/via-cputemp.c +++ b/drivers/hwmon/via-cputemp.c @@ -37,6 +37,7 @@ #include <linux/cpu.h> #include <asm/msr.h> #include <asm/processor.h> +#include <asm/cpu_device_id.h> #define DRVNAME "via_cputemp" @@ -308,15 +309,20 @@ static struct notifier_block via_cputemp_cpu_notifier __refdata = { .notifier_call = via_cputemp_cpu_callback, }; +static const struct x86_cpu_id cputemp_ids[] = { + { X86_VENDOR_CENTAUR, 6, 0xa, }, /* C7 A */ + { X86_VENDOR_CENTAUR, 6, 0xd, }, /* C7 D */ + { X86_VENDOR_CENTAUR, 6, 0xf, }, /* Nano */ + {} +}; +MODULE_DEVICE_TABLE(x86cpu, cputemp_ids); + static int __init via_cputemp_init(void) { int i, err; - if (cpu_data(0).x86_vendor != X86_VENDOR_CENTAUR) { - printk(KERN_DEBUG DRVNAME ": Not a VIA CPU\n"); - err = -ENODEV; - goto exit; - } + if (!x86_match_cpu(cputemp_ids)) + return -ENODEV; err = platform_driver_register(&via_cputemp_driver); if (err) diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 5276d1933db..a658d62c5e1 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -39,7 +39,7 @@ 0x8860 0xa1 w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3 w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3 - w83627uhg 8 2 2 2 0xa230 0xc1 0x5ca3 + w83627uhg 8 2 2 3 0xa230 0xc1 0x5ca3 w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3 w83667hg-b 9 5 3 4 0xb350 0xc1 0x5ca3 nct6775f 9 4 3 9 0xb470 0xc1 0x5ca3 @@ -1607,7 +1607,7 @@ store_##reg(struct device *dev, struct device_attribute *attr, \ val = step_time_to_reg(val, data->pwm_mode[nr]); \ mutex_lock(&data->update_lock); \ data->reg[nr] = val; \ - w83627ehf_write_value(data, W83627EHF_REG_##REG[nr], val); \ + w83627ehf_write_value(data, data->REG_##REG[nr], val); \ mutex_unlock(&data->update_lock); \ return count; \ } \ @@ -2004,7 +2004,8 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) goto exit; } - data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL); + data = devm_kzalloc(&pdev->dev, sizeof(struct w83627ehf_data), + GFP_KERNEL); if (!data) { err = -ENOMEM; goto exit_release; @@ -2157,16 +2158,16 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) w83627ehf_set_temp_reg_ehf(data, 3); /* - * Temperature sources for temp1 and temp2 are selected with + * Temperature sources for temp2 and temp3 are selected with * bank 0, registers 0x49 and 0x4a. */ data->temp_src[0] = 0; /* SYSTIN */ reg = w83627ehf_read_value(data, 0x49) & 0x07; /* Adjust to have the same mapping as other source registers */ if (reg == 0) - data->temp_src[1]++; + data->temp_src[1] = 1; else if (reg >= 2 && reg <= 5) - data->temp_src[1] += 2; + data->temp_src[1] = reg + 2; else /* should never happen */ data->have_temp &= ~(1 << 1); reg = w83627ehf_read_value(data, 0x4a); @@ -2493,9 +2494,8 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) exit_remove: w83627ehf_device_remove_files(dev); - kfree(data); - platform_set_drvdata(pdev, NULL); exit_release: + platform_set_drvdata(pdev, NULL); release_region(res->start, IOREGION_LENGTH); exit: return err; @@ -2509,7 +2509,6 @@ static int __devexit w83627ehf_remove(struct platform_device *pdev) w83627ehf_device_remove_files(&pdev->dev); release_region(data->addr, IOREGION_LENGTH); platform_set_drvdata(pdev, NULL); - kfree(data); return 0; } diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index 525c7345fa0..24f94f4ae39 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -103,8 +103,14 @@ static int sclhi(struct i2c_algo_bit_data *adap) * chips may hold it low ("clock stretching") while they * are processing data internally. */ - if (time_after(jiffies, start + adap->timeout)) + if (time_after(jiffies, start + adap->timeout)) { + /* Test one last time, as we may have been preempted + * between last check and timeout test. + */ + if (getscl(adap)) + break; return -ETIMEDOUT; + } cond_resched(); } #ifdef DEBUG diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 1e5606185b4..e9c18939eda 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1386,8 +1386,10 @@ int i2c_master_send(const struct i2c_client *client, const char *buf, int count) ret = i2c_transfer(adap, &msg, 1); - /* If everything went ok (i.e. 1 msg transmitted), return #bytes - transmitted, else error code. */ + /* + * If everything went ok (i.e. 1 msg transmitted), return #bytes + * transmitted, else error code. + */ return (ret == 1) ? count : ret; } EXPORT_SYMBOL(i2c_master_send); @@ -1414,8 +1416,10 @@ int i2c_master_recv(const struct i2c_client *client, char *buf, int count) ret = i2c_transfer(adap, &msg, 1); - /* If everything went ok (i.e. 1 msg transmitted), return #bytes - transmitted, else error code. */ + /* + * If everything went ok (i.e. 1 msg received), return #bytes received, + * else error code. + */ return (ret == 1) ? count : ret; } EXPORT_SYMBOL(i2c_master_recv); diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 54ab97bae04..1c15e9b3357 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -62,6 +62,7 @@ #include <linux/notifier.h> #include <linux/cpu.h> #include <linux/module.h> +#include <asm/cpu_device_id.h> #include <asm/mwait.h> #include <asm/msr.h> @@ -81,6 +82,17 @@ static unsigned int mwait_substates; /* Reliable LAPIC Timer States, bit 1 for C1 etc. */ static unsigned int lapic_timer_reliable_states = (1 << 1); /* Default to only C1 */ +struct idle_cpu { + struct cpuidle_state *state_table; + + /* + * Hardware C-state auto-demotion may not always be optimal. + * Indicate which enable bits to clear here. + */ + unsigned long auto_demotion_disable_flags; +}; + +static const struct idle_cpu *icpu; static struct cpuidle_device __percpu *intel_idle_cpuidle_devices; static int intel_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index); @@ -88,12 +100,6 @@ static int intel_idle(struct cpuidle_device *dev, static struct cpuidle_state *cpuidle_state_table; /* - * Hardware C-state auto-demotion may not always be optimal. - * Indicate which enable bits to clear here. - */ -static unsigned long long auto_demotion_disable_flags; - -/* * Set this flag for states where the HW flushes the TLB for us * and so we don't need cross-calls to keep it consistent. * If this flag is set, SW flushes the TLB, so even if the @@ -319,27 +325,68 @@ static void auto_demotion_disable(void *dummy) unsigned long long msr_bits; rdmsrl(MSR_NHM_SNB_PKG_CST_CFG_CTL, msr_bits); - msr_bits &= ~auto_demotion_disable_flags; + msr_bits &= ~(icpu->auto_demotion_disable_flags); wrmsrl(MSR_NHM_SNB_PKG_CST_CFG_CTL, msr_bits); } +static const struct idle_cpu idle_cpu_nehalem = { + .state_table = nehalem_cstates, + .auto_demotion_disable_flags = NHM_C1_AUTO_DEMOTE | NHM_C3_AUTO_DEMOTE, +}; + +static const struct idle_cpu idle_cpu_atom = { + .state_table = atom_cstates, +}; + +static const struct idle_cpu idle_cpu_lincroft = { + .state_table = atom_cstates, + .auto_demotion_disable_flags = ATM_LNC_C6_AUTO_DEMOTE, +}; + +static const struct idle_cpu idle_cpu_snb = { + .state_table = snb_cstates, +}; + +#define ICPU(model, cpu) \ + { X86_VENDOR_INTEL, 6, model, X86_FEATURE_MWAIT, (unsigned long)&cpu } + +static const struct x86_cpu_id intel_idle_ids[] = { + ICPU(0x1a, idle_cpu_nehalem), + ICPU(0x1e, idle_cpu_nehalem), + ICPU(0x1f, idle_cpu_nehalem), + ICPU(0x25, idle_cpu_nehalem), + ICPU(0x2c, idle_cpu_nehalem), + ICPU(0x2e, idle_cpu_nehalem), + ICPU(0x1c, idle_cpu_atom), + ICPU(0x26, idle_cpu_lincroft), + ICPU(0x2f, idle_cpu_nehalem), + ICPU(0x2a, idle_cpu_snb), + ICPU(0x2d, idle_cpu_snb), + {} +}; +MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids); + /* * intel_idle_probe() */ static int intel_idle_probe(void) { unsigned int eax, ebx, ecx; + const struct x86_cpu_id *id; if (max_cstate == 0) { pr_debug(PREFIX "disabled\n"); return -EPERM; } - if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) - return -ENODEV; - - if (!boot_cpu_has(X86_FEATURE_MWAIT)) + id = x86_match_cpu(intel_idle_ids); + if (!id) { + if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL && + boot_cpu_data.x86 == 6) + pr_debug(PREFIX "does not run on family %d model %d\n", + boot_cpu_data.x86, boot_cpu_data.x86_model); return -ENODEV; + } if (boot_cpu_data.cpuid_level < CPUID_MWAIT_LEAF) return -ENODEV; @@ -353,43 +400,8 @@ static int intel_idle_probe(void) pr_debug(PREFIX "MWAIT substates: 0x%x\n", mwait_substates); - - if (boot_cpu_data.x86 != 6) /* family 6 */ - return -ENODEV; - - switch (boot_cpu_data.x86_model) { - - case 0x1A: /* Core i7, Xeon 5500 series */ - case 0x1E: /* Core i7 and i5 Processor - Lynnfield Jasper Forest */ - case 0x1F: /* Core i7 and i5 Processor - Nehalem */ - case 0x2E: /* Nehalem-EX Xeon */ - case 0x2F: /* Westmere-EX Xeon */ - case 0x25: /* Westmere */ - case 0x2C: /* Westmere */ - cpuidle_state_table = nehalem_cstates; - auto_demotion_disable_flags = - (NHM_C1_AUTO_DEMOTE | NHM_C3_AUTO_DEMOTE); - break; - - case 0x1C: /* 28 - Atom Processor */ - cpuidle_state_table = atom_cstates; - break; - - case 0x26: /* 38 - Lincroft Atom Processor */ - cpuidle_state_table = atom_cstates; - auto_demotion_disable_flags = ATM_LNC_C6_AUTO_DEMOTE; - break; - - case 0x2A: /* SNB */ - case 0x2D: /* SNB Xeon */ - cpuidle_state_table = snb_cstates; - break; - - default: - pr_debug(PREFIX "does not run on family %d model %d\n", - boot_cpu_data.x86, boot_cpu_data.x86_model); - return -ENODEV; - } + icpu = (const struct idle_cpu *)id->driver_data; + cpuidle_state_table = icpu->state_table; if (boot_cpu_has(X86_FEATURE_ARAT)) /* Always Reliable APIC Timer */ lapic_timer_reliable_states = LAPIC_TIMER_ALWAYS_RELIABLE; @@ -470,7 +482,7 @@ static int intel_idle_cpuidle_driver_init(void) drv->state_count += 1; } - if (auto_demotion_disable_flags) + if (icpu->auto_demotion_disable_flags) on_each_cpu(auto_demotion_disable, NULL, 1); return 0; @@ -522,7 +534,7 @@ int intel_idle_cpu_init(int cpu) return -EIO; } - if (auto_demotion_disable_flags) + if (icpu->auto_demotion_disable_flags) smp_call_function_single(cpu, auto_demotion_disable, NULL, 1); return 0; diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c index c351aa421f8..da739d9d190 100644 --- a/drivers/input/gameport/gameport.c +++ b/drivers/input/gameport/gameport.c @@ -449,7 +449,6 @@ static ssize_t gameport_rebind_driver(struct device *dev, struct device_attribut } else if ((drv = driver_find(buf, &gameport_bus)) != NULL) { gameport_disconnect_port(gameport); error = gameport_bind_driver(gameport, to_gameport_driver(drv)); - put_driver(drv); } else { error = -EINVAL; } diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index ba70058e2be..d0f7533dbf8 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -441,7 +441,6 @@ static ssize_t serio_rebind_driver(struct device *dev, struct device_attribute * } else if ((drv = driver_find(buf, &serio_bus)) != NULL) { serio_disconnect_port(serio); error = serio_bind_driver(serio, to_serio_driver(drv)); - put_driver(drv); serio_remove_duplicate_events(serio, SERIO_RESCAN_PORT); } else { error = -EINVAL; diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index c9c6053198d..a08a53448b7 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -48,8 +48,6 @@ #define ROOT_SIZE VTD_PAGE_SIZE #define CONTEXT_SIZE VTD_PAGE_SIZE -#define IS_BRIDGE_HOST_DEVICE(pdev) \ - ((pdev->class >> 8) == PCI_CLASS_BRIDGE_HOST) #define IS_GFX_DEVICE(pdev) ((pdev->class >> 16) == PCI_BASE_CLASS_DISPLAY) #define IS_ISA_DEVICE(pdev) ((pdev->class >> 8) == PCI_CLASS_BRIDGE_ISA) #define IS_AZALIA(pdev) ((pdev)->vendor == 0x8086 && (pdev)->device == 0x3a3e) @@ -356,10 +354,18 @@ static int hw_pass_through = 1; /* si_domain contains mulitple devices */ #define DOMAIN_FLAG_STATIC_IDENTITY (1 << 2) +/* define the limit of IOMMUs supported in each domain */ +#ifdef CONFIG_X86 +# define IOMMU_UNITS_SUPPORTED MAX_IO_APICS +#else +# define IOMMU_UNITS_SUPPORTED 64 +#endif + struct dmar_domain { int id; /* domain id */ int nid; /* node id */ - unsigned long iommu_bmp; /* bitmap of iommus this domain uses*/ + DECLARE_BITMAP(iommu_bmp, IOMMU_UNITS_SUPPORTED); + /* bitmap of iommus this domain uses*/ struct list_head devices; /* all devices' list */ struct iova_domain iovad; /* iova's that belong to this domain */ @@ -571,7 +577,7 @@ static struct intel_iommu *domain_get_iommu(struct dmar_domain *domain) BUG_ON(domain->flags & DOMAIN_FLAG_VIRTUAL_MACHINE); BUG_ON(domain->flags & DOMAIN_FLAG_STATIC_IDENTITY); - iommu_id = find_first_bit(&domain->iommu_bmp, g_num_of_iommus); + iommu_id = find_first_bit(domain->iommu_bmp, g_num_of_iommus); if (iommu_id < 0 || iommu_id >= g_num_of_iommus) return NULL; @@ -584,7 +590,7 @@ static void domain_update_iommu_coherency(struct dmar_domain *domain) domain->iommu_coherency = 1; - for_each_set_bit(i, &domain->iommu_bmp, g_num_of_iommus) { + for_each_set_bit(i, domain->iommu_bmp, g_num_of_iommus) { if (!ecap_coherent(g_iommus[i]->ecap)) { domain->iommu_coherency = 0; break; @@ -598,7 +604,7 @@ static void domain_update_iommu_snooping(struct dmar_domain *domain) domain->iommu_snooping = 1; - for_each_set_bit(i, &domain->iommu_bmp, g_num_of_iommus) { + for_each_set_bit(i, domain->iommu_bmp, g_num_of_iommus) { if (!ecap_sc_support(g_iommus[i]->ecap)) { domain->iommu_snooping = 0; break; @@ -1334,7 +1340,7 @@ static struct dmar_domain *alloc_domain(void) return NULL; domain->nid = -1; - memset(&domain->iommu_bmp, 0, sizeof(unsigned long)); + memset(domain->iommu_bmp, 0, sizeof(domain->iommu_bmp)); domain->flags = 0; return domain; @@ -1360,7 +1366,7 @@ static int iommu_attach_domain(struct dmar_domain *domain, domain->id = num; set_bit(num, iommu->domain_ids); - set_bit(iommu->seq_id, &domain->iommu_bmp); + set_bit(iommu->seq_id, domain->iommu_bmp); iommu->domains[num] = domain; spin_unlock_irqrestore(&iommu->lock, flags); @@ -1385,7 +1391,7 @@ static void iommu_detach_domain(struct dmar_domain *domain, if (found) { clear_bit(num, iommu->domain_ids); - clear_bit(iommu->seq_id, &domain->iommu_bmp); + clear_bit(iommu->seq_id, domain->iommu_bmp); iommu->domains[num] = NULL; } spin_unlock_irqrestore(&iommu->lock, flags); @@ -1527,7 +1533,7 @@ static void domain_exit(struct dmar_domain *domain) dma_pte_free_pagetable(domain, 0, DOMAIN_MAX_PFN(domain->gaw)); for_each_active_iommu(iommu, drhd) - if (test_bit(iommu->seq_id, &domain->iommu_bmp)) + if (test_bit(iommu->seq_id, domain->iommu_bmp)) iommu_detach_domain(domain, iommu); free_domain_mem(domain); @@ -1653,7 +1659,7 @@ static int domain_context_mapping_one(struct dmar_domain *domain, int segment, spin_unlock_irqrestore(&iommu->lock, flags); spin_lock_irqsave(&domain->iommu_lock, flags); - if (!test_and_set_bit(iommu->seq_id, &domain->iommu_bmp)) { + if (!test_and_set_bit(iommu->seq_id, domain->iommu_bmp)) { domain->iommu_count++; if (domain->iommu_count == 1) domain->nid = iommu->node; @@ -2369,18 +2375,18 @@ static int __init iommu_prepare_static_identity_mapping(int hw) return -EFAULT; for_each_pci_dev(pdev) { - /* Skip Host/PCI Bridge devices */ - if (IS_BRIDGE_HOST_DEVICE(pdev)) - continue; if (iommu_should_identity_map(pdev, 1)) { - printk(KERN_INFO "IOMMU: %s identity mapping for device %s\n", - hw ? "hardware" : "software", pci_name(pdev)); - ret = domain_add_dev_info(si_domain, pdev, - hw ? CONTEXT_TT_PASS_THROUGH : - CONTEXT_TT_MULTI_LEVEL); - if (ret) + hw ? CONTEXT_TT_PASS_THROUGH : + CONTEXT_TT_MULTI_LEVEL); + if (ret) { + /* device not associated with an iommu */ + if (ret == -ENODEV) + continue; return ret; + } + pr_info("IOMMU: %s identity mapping for device %s\n", + hw ? "hardware" : "software", pci_name(pdev)); } } @@ -2402,12 +2408,17 @@ static int __init init_dmars(void) * endfor */ for_each_drhd_unit(drhd) { - g_num_of_iommus++; /* * lock not needed as this is only incremented in the single * threaded kernel __init code path all other access are read * only */ + if (g_num_of_iommus < IOMMU_UNITS_SUPPORTED) { + g_num_of_iommus++; + continue; + } + printk_once(KERN_ERR "intel-iommu: exceeded %d IOMMUs\n", + IOMMU_UNITS_SUPPORTED); } g_iommus = kcalloc(g_num_of_iommus, sizeof(struct intel_iommu *), @@ -3748,7 +3759,7 @@ static void domain_remove_one_dev_info(struct dmar_domain *domain, if (found == 0) { unsigned long tmp_flags; spin_lock_irqsave(&domain->iommu_lock, tmp_flags); - clear_bit(iommu->seq_id, &domain->iommu_bmp); + clear_bit(iommu->seq_id, domain->iommu_bmp); domain->iommu_count--; domain_update_iommu_cap(domain); spin_unlock_irqrestore(&domain->iommu_lock, tmp_flags); @@ -3790,7 +3801,7 @@ static void vm_domain_remove_all_dev_info(struct dmar_domain *domain) */ spin_lock_irqsave(&domain->iommu_lock, flags2); if (test_and_clear_bit(iommu->seq_id, - &domain->iommu_bmp)) { + domain->iommu_bmp)) { domain->iommu_count--; domain_update_iommu_cap(domain); } @@ -3815,7 +3826,7 @@ static struct dmar_domain *iommu_alloc_vm_domain(void) domain->id = vm_domid++; domain->nid = -1; - memset(&domain->iommu_bmp, 0, sizeof(unsigned long)); + memset(domain->iommu_bmp, 0, sizeof(domain->iommu_bmp)); domain->flags = DOMAIN_FLAG_VIRTUAL_MACHINE; return domain; diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index e44933d5879..3a7905b06e5 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -1013,16 +1013,12 @@ static const struct file_operations capi_fops = static int capinc_tty_install(struct tty_driver *driver, struct tty_struct *tty) { - int idx = tty->index; - struct capiminor *mp = capiminor_get(idx); - int ret = tty_init_termios(tty); + struct capiminor *mp = capiminor_get(tty->index); + int ret = tty_standard_install(driver, tty); - if (ret == 0) { - tty_driver_kref_get(driver); - tty->count++; + if (ret == 0) tty->driver_data = mp; - driver->ttys[idx] = tty; - } else + else capiminor_put(mp); return ret; } @@ -1290,7 +1286,6 @@ static int __init capinc_tty_init(void) kfree(capiminors); return -ENOMEM; } - drv->owner = THIS_MODULE; drv->driver_name = "capi_nc"; drv->name = "capi"; drv->major = 0; diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c index db621db67f6..880f6ef0e18 100644 --- a/drivers/isdn/gigaset/common.c +++ b/drivers/isdn/gigaset/common.c @@ -720,12 +720,11 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels, tasklet_init(&cs->event_tasklet, gigaset_handle_event, (unsigned long) cs); + tty_port_init(&cs->port); cs->commands_pending = 0; cs->cur_at_seq = 0; cs->gotfwver = -1; - cs->open_count = 0; cs->dev = NULL; - cs->tty = NULL; cs->tty_dev = NULL; cs->cidmode = cidmode != 0; cs->tabnocid = gigaset_tab_nocid; @@ -1051,8 +1050,6 @@ static struct cardstate *gigaset_get_cs_by_minor(unsigned minor) struct cardstate *gigaset_get_cs_by_tty(struct tty_struct *tty) { - if (tty->index < 0 || tty->index >= tty->driver->num) - return NULL; return gigaset_get_cs_by_minor(tty->index + tty->driver->minor_start); } diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h index 212efaf9a4e..f877726d664 100644 --- a/drivers/isdn/gigaset/gigaset.h +++ b/drivers/isdn/gigaset/gigaset.h @@ -433,8 +433,7 @@ struct cardstate { spinlock_t cmdlock; unsigned curlen, cmdbytes; - unsigned open_count; - struct tty_struct *tty; + struct tty_port port; struct tasklet_struct if_wake_tasklet; unsigned control_state; diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c index ee0a549a933..8f8814afce8 100644 --- a/drivers/isdn/gigaset/interface.c +++ b/drivers/isdn/gigaset/interface.c @@ -146,13 +146,10 @@ static const struct tty_operations if_ops = { static int if_open(struct tty_struct *tty, struct file *filp) { struct cardstate *cs; - unsigned long flags; gig_dbg(DEBUG_IF, "%d+%d: %s()", tty->driver->minor_start, tty->index, __func__); - tty->driver_data = NULL; - cs = gigaset_get_cs_by_tty(tty); if (!cs || !try_module_get(cs->driver->owner)) return -ENODEV; @@ -163,12 +160,10 @@ static int if_open(struct tty_struct *tty, struct file *filp) } tty->driver_data = cs; - ++cs->open_count; + ++cs->port.count; - if (cs->open_count == 1) { - spin_lock_irqsave(&cs->lock, flags); - cs->tty = tty; - spin_unlock_irqrestore(&cs->lock, flags); + if (cs->port.count == 1) { + tty_port_tty_set(&cs->port, tty); tty->low_latency = 1; } @@ -178,12 +173,10 @@ static int if_open(struct tty_struct *tty, struct file *filp) static void if_close(struct tty_struct *tty, struct file *filp) { - struct cardstate *cs; - unsigned long flags; + struct cardstate *cs = tty->driver_data; - cs = (struct cardstate *) tty->driver_data; - if (!cs) { - pr_err("%s: no cardstate\n", __func__); + if (!cs) { /* happens if we didn't find cs in open */ + printk(KERN_DEBUG "%s: no cardstate\n", __func__); return; } @@ -193,15 +186,10 @@ static void if_close(struct tty_struct *tty, struct file *filp) if (!cs->connected) gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */ - else if (!cs->open_count) + else if (!cs->port.count) dev_warn(cs->dev, "%s: device not opened\n", __func__); - else { - if (!--cs->open_count) { - spin_lock_irqsave(&cs->lock, flags); - cs->tty = NULL; - spin_unlock_irqrestore(&cs->lock, flags); - } - } + else if (!--cs->port.count) + tty_port_tty_set(&cs->port, NULL); mutex_unlock(&cs->mutex); @@ -211,18 +199,12 @@ static void if_close(struct tty_struct *tty, struct file *filp) static int if_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg) { - struct cardstate *cs; + struct cardstate *cs = tty->driver_data; int retval = -ENODEV; int int_arg; unsigned char buf[6]; unsigned version[4]; - cs = (struct cardstate *) tty->driver_data; - if (!cs) { - pr_err("%s: no cardstate\n", __func__); - return -ENODEV; - } - gig_dbg(DEBUG_IF, "%u: %s(0x%x)", cs->minor_index, __func__, cmd); if (mutex_lock_interruptible(&cs->mutex)) @@ -231,9 +213,7 @@ static int if_ioctl(struct tty_struct *tty, if (!cs->connected) { gig_dbg(DEBUG_IF, "not connected"); retval = -ENODEV; - } else if (!cs->open_count) - dev_warn(cs->dev, "%s: device not opened\n", __func__); - else { + } else { retval = 0; switch (cmd) { case GIGASET_REDIR: @@ -285,15 +265,9 @@ static int if_ioctl(struct tty_struct *tty, static int if_tiocmget(struct tty_struct *tty) { - struct cardstate *cs; + struct cardstate *cs = tty->driver_data; int retval; - cs = (struct cardstate *) tty->driver_data; - if (!cs) { - pr_err("%s: no cardstate\n", __func__); - return -ENODEV; - } - gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__); if (mutex_lock_interruptible(&cs->mutex)) @@ -309,16 +283,10 @@ static int if_tiocmget(struct tty_struct *tty) static int if_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear) { - struct cardstate *cs; + struct cardstate *cs = tty->driver_data; int retval; unsigned mc; - cs = (struct cardstate *) tty->driver_data; - if (!cs) { - pr_err("%s: no cardstate\n", __func__); - return -ENODEV; - } - gig_dbg(DEBUG_IF, "%u: %s(0x%x, 0x%x)", cs->minor_index, __func__, set, clear); @@ -341,16 +309,10 @@ static int if_tiocmset(struct tty_struct *tty, static int if_write(struct tty_struct *tty, const unsigned char *buf, int count) { - struct cardstate *cs; + struct cardstate *cs = tty->driver_data; struct cmdbuf_t *cb; int retval; - cs = (struct cardstate *) tty->driver_data; - if (!cs) { - pr_err("%s: no cardstate\n", __func__); - return -ENODEV; - } - gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__); if (mutex_lock_interruptible(&cs->mutex)) @@ -361,11 +323,6 @@ static int if_write(struct tty_struct *tty, const unsigned char *buf, int count) retval = -ENODEV; goto done; } - if (!cs->open_count) { - dev_warn(cs->dev, "%s: device not opened\n", __func__); - retval = -ENODEV; - goto done; - } if (cs->mstate != MS_LOCKED) { dev_warn(cs->dev, "can't write to unlocked device\n"); retval = -EBUSY; @@ -397,15 +354,9 @@ done: static int if_write_room(struct tty_struct *tty) { - struct cardstate *cs; + struct cardstate *cs = tty->driver_data; int retval = -ENODEV; - cs = (struct cardstate *) tty->driver_data; - if (!cs) { - pr_err("%s: no cardstate\n", __func__); - return -ENODEV; - } - gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__); if (mutex_lock_interruptible(&cs->mutex)) @@ -414,9 +365,7 @@ static int if_write_room(struct tty_struct *tty) if (!cs->connected) { gig_dbg(DEBUG_IF, "not connected"); retval = -ENODEV; - } else if (!cs->open_count) - dev_warn(cs->dev, "%s: device not opened\n", __func__); - else if (cs->mstate != MS_LOCKED) { + } else if (cs->mstate != MS_LOCKED) { dev_warn(cs->dev, "can't write to unlocked device\n"); retval = -EBUSY; } else @@ -429,23 +378,15 @@ static int if_write_room(struct tty_struct *tty) static int if_chars_in_buffer(struct tty_struct *tty) { - struct cardstate *cs; + struct cardstate *cs = tty->driver_data; int retval = 0; - cs = (struct cardstate *) tty->driver_data; - if (!cs) { - pr_err("%s: no cardstate\n", __func__); - return 0; - } - gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__); mutex_lock(&cs->mutex); if (!cs->connected) gig_dbg(DEBUG_IF, "not connected"); - else if (!cs->open_count) - dev_warn(cs->dev, "%s: device not opened\n", __func__); else if (cs->mstate != MS_LOCKED) dev_warn(cs->dev, "can't write to unlocked device\n"); else @@ -458,13 +399,7 @@ static int if_chars_in_buffer(struct tty_struct *tty) static void if_throttle(struct tty_struct *tty) { - struct cardstate *cs; - - cs = (struct cardstate *) tty->driver_data; - if (!cs) { - pr_err("%s: no cardstate\n", __func__); - return; - } + struct cardstate *cs = tty->driver_data; gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__); @@ -472,8 +407,6 @@ static void if_throttle(struct tty_struct *tty) if (!cs->connected) gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */ - else if (!cs->open_count) - dev_warn(cs->dev, "%s: device not opened\n", __func__); else gig_dbg(DEBUG_IF, "%s: not implemented\n", __func__); @@ -482,13 +415,7 @@ static void if_throttle(struct tty_struct *tty) static void if_unthrottle(struct tty_struct *tty) { - struct cardstate *cs; - - cs = (struct cardstate *) tty->driver_data; - if (!cs) { - pr_err("%s: no cardstate\n", __func__); - return; - } + struct cardstate *cs = tty->driver_data; gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__); @@ -496,8 +423,6 @@ static void if_unthrottle(struct tty_struct *tty) if (!cs->connected) gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */ - else if (!cs->open_count) - dev_warn(cs->dev, "%s: device not opened\n", __func__); else gig_dbg(DEBUG_IF, "%s: not implemented\n", __func__); @@ -506,18 +431,12 @@ static void if_unthrottle(struct tty_struct *tty) static void if_set_termios(struct tty_struct *tty, struct ktermios *old) { - struct cardstate *cs; + struct cardstate *cs = tty->driver_data; unsigned int iflag; unsigned int cflag; unsigned int old_cflag; unsigned int control_state, new_state; - cs = (struct cardstate *) tty->driver_data; - if (!cs) { - pr_err("%s: no cardstate\n", __func__); - return; - } - gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__); mutex_lock(&cs->mutex); @@ -527,11 +446,6 @@ static void if_set_termios(struct tty_struct *tty, struct ktermios *old) goto out; } - if (!cs->open_count) { - dev_warn(cs->dev, "%s: device not opened\n", __func__); - goto out; - } - iflag = tty->termios->c_iflag; cflag = tty->termios->c_cflag; old_cflag = old ? old->c_cflag : cflag; @@ -588,10 +502,13 @@ out: /* wakeup tasklet for the write operation */ static void if_wake(unsigned long data) { - struct cardstate *cs = (struct cardstate *) data; + struct cardstate *cs = (struct cardstate *)data; + struct tty_struct *tty = tty_port_tty_get(&cs->port); - if (cs->tty) - tty_wakeup(cs->tty); + if (tty) { + tty_wakeup(tty); + tty_kref_put(tty); + } } /*** interface to common ***/ @@ -644,18 +561,16 @@ void gigaset_if_free(struct cardstate *cs) void gigaset_if_receive(struct cardstate *cs, unsigned char *buffer, size_t len) { - unsigned long flags; - struct tty_struct *tty; + struct tty_struct *tty = tty_port_tty_get(&cs->port); - spin_lock_irqsave(&cs->lock, flags); - tty = cs->tty; - if (tty == NULL) + if (tty == NULL) { gig_dbg(DEBUG_IF, "receive on closed device"); - else { - tty_insert_flip_string(tty, buffer, len); - tty_flip_buffer_push(tty); + return; } - spin_unlock_irqrestore(&cs->lock, flags); + + tty_insert_flip_string(tty, buffer, len); + tty_flip_buffer_push(tty); + tty_kref_put(tty); } EXPORT_SYMBOL_GPL(gigaset_if_receive); @@ -669,17 +584,15 @@ EXPORT_SYMBOL_GPL(gigaset_if_receive); void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname, const char *devname) { - unsigned minors = drv->minors; int ret; struct tty_driver *tty; drv->have_tty = 0; - drv->tty = tty = alloc_tty_driver(minors); + drv->tty = tty = alloc_tty_driver(drv->minors); if (tty == NULL) goto enomem; - tty->magic = TTY_DRIVER_MAGIC, tty->type = TTY_DRIVER_TYPE_SERIAL, tty->subtype = SERIAL_TYPE_NORMAL, tty->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; @@ -687,9 +600,6 @@ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname, tty->driver_name = procname; tty->name = devname; tty->minor_start = drv->minor; - tty->num = drv->minors; - - tty->owner = THIS_MODULE; tty->init_termios = tty_std_termios; tty->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c index 2c26b64ebbe..ac4840124bc 100644 --- a/drivers/isdn/i4l/isdn_tty.c +++ b/drivers/isdn/i4l/isdn_tty.c @@ -1590,12 +1590,9 @@ static int isdn_tty_open(struct tty_struct *tty, struct file *filp) { modem_info *info; - int retval, line; + int retval; - line = tty->index; - if (line < 0 || line >= ISDN_MAX_CHANNELS) - return -ENODEV; - info = &dev->mdm.info[line]; + info = &dev->mdm.info[tty->index]; if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_open")) return -ENODEV; if (!try_module_get(info->owner)) { diff --git a/drivers/media/dvb/siano/smsdvb.c b/drivers/media/dvb/siano/smsdvb.c index 654685c9303..aa77e54a8fa 100644 --- a/drivers/media/dvb/siano/smsdvb.c +++ b/drivers/media/dvb/siano/smsdvb.c @@ -49,9 +49,6 @@ struct smsdvb_client_t { struct completion tune_done; - /* todo: save freq/band instead whole struct */ - struct dtv_frontend_properties fe_params; - struct SMSHOSTLIB_STATISTICS_DVB_S sms_stat_dvb; int event_fe_state; int event_unc_state; @@ -744,12 +741,124 @@ static int smsdvb_get_frontend(struct dvb_frontend *fe) struct dtv_frontend_properties *fep = &fe->dtv_property_cache; struct smsdvb_client_t *client = container_of(fe, struct smsdvb_client_t, frontend); + struct smscore_device_t *coredev = client->coredev; + struct TRANSMISSION_STATISTICS_S *td = + &client->sms_stat_dvb.TransmissionData; - sms_debug(""); + switch (smscore_get_device_mode(coredev)) { + case DEVICE_MODE_DVBT: + case DEVICE_MODE_DVBT_BDA: + fep->frequency = td->Frequency; + + switch (td->Bandwidth) { + case 6: + fep->bandwidth_hz = 6000000; + break; + case 7: + fep->bandwidth_hz = 7000000; + break; + case 8: + fep->bandwidth_hz = 8000000; + break; + } + + switch (td->TransmissionMode) { + case 2: + fep->transmission_mode = TRANSMISSION_MODE_2K; + break; + case 8: + fep->transmission_mode = TRANSMISSION_MODE_8K; + } + + switch (td->GuardInterval) { + case 0: + fep->guard_interval = GUARD_INTERVAL_1_32; + break; + case 1: + fep->guard_interval = GUARD_INTERVAL_1_16; + break; + case 2: + fep->guard_interval = GUARD_INTERVAL_1_8; + break; + case 3: + fep->guard_interval = GUARD_INTERVAL_1_4; + break; + } + + switch (td->CodeRate) { + case 0: + fep->code_rate_HP = FEC_1_2; + break; + case 1: + fep->code_rate_HP = FEC_2_3; + break; + case 2: + fep->code_rate_HP = FEC_3_4; + break; + case 3: + fep->code_rate_HP = FEC_5_6; + break; + case 4: + fep->code_rate_HP = FEC_7_8; + break; + } + + switch (td->LPCodeRate) { + case 0: + fep->code_rate_LP = FEC_1_2; + break; + case 1: + fep->code_rate_LP = FEC_2_3; + break; + case 2: + fep->code_rate_LP = FEC_3_4; + break; + case 3: + fep->code_rate_LP = FEC_5_6; + break; + case 4: + fep->code_rate_LP = FEC_7_8; + break; + } + + switch (td->Constellation) { + case 0: + fep->modulation = QPSK; + break; + case 1: + fep->modulation = QAM_16; + break; + case 2: + fep->modulation = QAM_64; + break; + } + + switch (td->Hierarchy) { + case 0: + fep->hierarchy = HIERARCHY_NONE; + break; + case 1: + fep->hierarchy = HIERARCHY_1; + break; + case 2: + fep->hierarchy = HIERARCHY_2; + break; + case 3: + fep->hierarchy = HIERARCHY_4; + break; + } - /* todo: */ - memcpy(fep, &client->fe_params, - sizeof(struct dtv_frontend_properties)); + fep->inversion = INVERSION_AUTO; + break; + case DEVICE_MODE_ISDBT: + case DEVICE_MODE_ISDBT_BDA: + fep->frequency = td->Frequency; + fep->bandwidth_hz = 6000000; + /* todo: retrive the other parameters */ + break; + default: + return -EINVAL; + } return 0; } @@ -872,11 +981,11 @@ static int smsdvb_hotplug(struct smscore_device_t *coredev, switch (smscore_get_device_mode(coredev)) { case DEVICE_MODE_DVBT: case DEVICE_MODE_DVBT_BDA: - smsdvb_fe_ops.delsys[0] = SYS_DVBT; + client->frontend.ops.delsys[0] = SYS_DVBT; break; case DEVICE_MODE_ISDBT: case DEVICE_MODE_ISDBT_BDA: - smsdvb_fe_ops.delsys[0] = SYS_ISDBT; + client->frontend.ops.delsys[0] = SYS_ISDBT; break; } diff --git a/drivers/media/video/cx18/cx18-alsa-main.c b/drivers/media/video/cx18/cx18-alsa-main.c index a1e6c2a3247..e118361c2e7 100644 --- a/drivers/media/video/cx18/cx18-alsa-main.c +++ b/drivers/media/video/cx18/cx18-alsa-main.c @@ -285,7 +285,6 @@ static void __exit cx18_alsa_exit(void) drv = driver_find("cx18", &pci_bus_type); ret = driver_for_each_device(drv, NULL, NULL, cx18_alsa_exit_callback); - put_driver(drv); cx18_ext_init = NULL; printk(KERN_INFO "cx18-alsa: module unload complete\n"); diff --git a/drivers/media/video/davinci/isif.c b/drivers/media/video/davinci/isif.c index 1e63852374b..5278fe7d6d0 100644 --- a/drivers/media/video/davinci/isif.c +++ b/drivers/media/video/davinci/isif.c @@ -34,6 +34,7 @@ #include <linux/videodev2.h> #include <linux/clk.h> #include <linux/err.h> +#include <linux/module.h> #include <mach/mux.h> diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c index d0fbfcf7133..e5e7fa9e737 100644 --- a/drivers/media/video/ivtv/ivtvfb.c +++ b/drivers/media/video/ivtv/ivtvfb.c @@ -1293,7 +1293,6 @@ static int __init ivtvfb_init(void) drv = driver_find("ivtv", &pci_bus_type); err = driver_for_each_device(drv, NULL, ®istered, ivtvfb_callback_init); - put_driver(drv); if (!registered) { printk(KERN_ERR "ivtvfb: no cards found\n"); return -ENODEV; @@ -1310,7 +1309,6 @@ static void ivtvfb_cleanup(void) drv = driver_find("ivtv", &pci_bus_type); err = driver_for_each_device(drv, NULL, NULL, ivtvfb_callback_cleanup); - put_driver(drv); } module_init(ivtvfb_init); diff --git a/drivers/media/video/s5p-fimc/fimc-mdevice.c b/drivers/media/video/s5p-fimc/fimc-mdevice.c index 8ea4ee116e4..63eccb55728 100644 --- a/drivers/media/video/s5p-fimc/fimc-mdevice.c +++ b/drivers/media/video/s5p-fimc/fimc-mdevice.c @@ -344,16 +344,13 @@ static int fimc_md_register_platform_entities(struct fimc_md *fmd) return -ENODEV; ret = driver_for_each_device(driver, NULL, fmd, fimc_register_callback); - put_driver(driver); if (ret) return ret; driver = driver_find(CSIS_DRIVER_NAME, &platform_bus_type); - if (driver) { + if (driver) ret = driver_for_each_device(driver, NULL, fmd, csis_register_callback); - put_driver(driver); - } return ret; } diff --git a/drivers/media/video/s5p-tv/mixer_video.c b/drivers/media/video/s5p-tv/mixer_video.c index 7884baeff76..f7ca5cc143c 100644 --- a/drivers/media/video/s5p-tv/mixer_video.c +++ b/drivers/media/video/s5p-tv/mixer_video.c @@ -58,7 +58,6 @@ static struct v4l2_subdev *find_and_register_subdev( } done: - put_driver(drv); return sd; } diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index c7e69b8f81c..4a44f9a1bae 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -611,9 +611,11 @@ void uvc_video_clock_update(struct uvc_streaming *stream, delta_stc = buf->pts - (1UL << 31); x1 = first->dev_stc - delta_stc; x2 = last->dev_stc - delta_stc; + if (x1 == x2) + goto done; + y1 = (first->dev_sof + 2048) << 16; y2 = (last->dev_sof + 2048) << 16; - if (y2 < y1) y2 += 2048 << 16; @@ -631,14 +633,16 @@ void uvc_video_clock_update(struct uvc_streaming *stream, x1, x2, y1, y2, clock->sof_offset); /* Second step, SOF to host clock conversion. */ - ts = timespec_sub(last->host_ts, first->host_ts); x1 = (uvc_video_clock_host_sof(first) + 2048) << 16; x2 = (uvc_video_clock_host_sof(last) + 2048) << 16; - y1 = NSEC_PER_SEC; - y2 = (ts.tv_sec + 1) * NSEC_PER_SEC + ts.tv_nsec; - if (x2 < x1) x2 += 2048 << 16; + if (x1 == x2) + goto done; + + ts = timespec_sub(last->host_ts, first->host_ts); + y1 = NSEC_PER_SEC; + y2 = (ts.tv_sec + 1) * NSEC_PER_SEC + ts.tv_nsec; /* Interpolated and host SOF timestamps can wrap around at slightly * different times. Handle this by adding or removing 2048 to or from diff --git a/drivers/misc/ad525x_dpot-i2c.c b/drivers/misc/ad525x_dpot-i2c.c index 83adab69bfd..820826270b6 100644 --- a/drivers/misc/ad525x_dpot-i2c.c +++ b/drivers/misc/ad525x_dpot-i2c.c @@ -113,17 +113,7 @@ static struct i2c_driver ad_dpot_i2c_driver = { .id_table = ad_dpot_id, }; -static int __init ad_dpot_i2c_init(void) -{ - return i2c_add_driver(&ad_dpot_i2c_driver); -} -module_init(ad_dpot_i2c_init); - -static void __exit ad_dpot_i2c_exit(void) -{ - i2c_del_driver(&ad_dpot_i2c_driver); -} -module_exit(ad_dpot_i2c_exit); +module_i2c_driver(ad_dpot_i2c_driver); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); MODULE_DESCRIPTION("digital potentiometer I2C bus driver"); diff --git a/drivers/misc/ad525x_dpot-spi.c b/drivers/misc/ad525x_dpot-spi.c index 822749e41fe..f62317540d0 100644 --- a/drivers/misc/ad525x_dpot-spi.c +++ b/drivers/misc/ad525x_dpot-spi.c @@ -135,17 +135,7 @@ static struct spi_driver ad_dpot_spi_driver = { .id_table = ad_dpot_spi_id, }; -static int __init ad_dpot_spi_init(void) -{ - return spi_register_driver(&ad_dpot_spi_driver); -} -module_init(ad_dpot_spi_init); - -static void __exit ad_dpot_spi_exit(void) -{ - spi_unregister_driver(&ad_dpot_spi_driver); -} -module_exit(ad_dpot_spi_exit); +module_spi_driver(ad_dpot_spi_driver); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); MODULE_DESCRIPTION("digital potentiometer SPI bus driver"); diff --git a/drivers/misc/apds9802als.c b/drivers/misc/apds9802als.c index 81db7811cf6..0314773f6db 100644 --- a/drivers/misc/apds9802als.c +++ b/drivers/misc/apds9802als.c @@ -332,17 +332,7 @@ static struct i2c_driver apds9802als_driver = { .id_table = apds9802als_id, }; -static int __init sensor_apds9802als_init(void) -{ - return i2c_add_driver(&apds9802als_driver); -} - -static void __exit sensor_apds9802als_exit(void) -{ - i2c_del_driver(&apds9802als_driver); -} -module_init(sensor_apds9802als_init); -module_exit(sensor_apds9802als_exit); +module_i2c_driver(apds9802als_driver); MODULE_AUTHOR("Anantha Narayanan <Anantha.Narayanan@intel.com"); MODULE_DESCRIPTION("Avago apds9802als ALS Driver"); diff --git a/drivers/misc/apds990x.c b/drivers/misc/apds990x.c index e2a52e5cf44..ee74244aa03 100644 --- a/drivers/misc/apds990x.c +++ b/drivers/misc/apds990x.c @@ -1279,19 +1279,8 @@ static struct i2c_driver apds990x_driver = { .id_table = apds990x_id, }; -static int __init apds990x_init(void) -{ - return i2c_add_driver(&apds990x_driver); -} - -static void __exit apds990x_exit(void) -{ - i2c_del_driver(&apds990x_driver); -} +module_i2c_driver(apds990x_driver); MODULE_DESCRIPTION("APDS990X combined ALS and proximity sensor"); MODULE_AUTHOR("Samu Onkalo, Nokia Corporation"); MODULE_LICENSE("GPL v2"); - -module_init(apds990x_init); -module_exit(apds990x_exit); diff --git a/drivers/misc/bh1770glc.c b/drivers/misc/bh1770glc.c index d79a972f2c7..3d56ae7ef8d 100644 --- a/drivers/misc/bh1770glc.c +++ b/drivers/misc/bh1770glc.c @@ -1399,19 +1399,8 @@ static struct i2c_driver bh1770_driver = { .id_table = bh1770_id, }; -static int __init bh1770_init(void) -{ - return i2c_add_driver(&bh1770_driver); -} - -static void __exit bh1770_exit(void) -{ - i2c_del_driver(&bh1770_driver); -} +module_i2c_driver(bh1770_driver); MODULE_DESCRIPTION("BH1770GLC / SFH7770 combined ALS and proximity sensor"); MODULE_AUTHOR("Samu Onkalo, Nokia Corporation"); MODULE_LICENSE("GPL v2"); - -module_init(bh1770_init); -module_exit(bh1770_exit); diff --git a/drivers/misc/bh1780gli.c b/drivers/misc/bh1780gli.c index bfeea9ba702..54f6f39f990 100644 --- a/drivers/misc/bh1780gli.c +++ b/drivers/misc/bh1780gli.c @@ -253,21 +253,10 @@ static struct i2c_driver bh1780_driver = { .driver = { .name = "bh1780", .pm = BH1780_PMOPS, -}, + }, }; -static int __init bh1780_init(void) -{ - return i2c_add_driver(&bh1780_driver); -} - -static void __exit bh1780_exit(void) -{ - i2c_del_driver(&bh1780_driver); -} - -module_init(bh1780_init) -module_exit(bh1780_exit) +module_i2c_driver(bh1780_driver); MODULE_DESCRIPTION("BH1780GLI Ambient Light Sensor Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/misc/bmp085.c b/drivers/misc/bmp085.c index b29a2be2459..76c3064629f 100644 --- a/drivers/misc/bmp085.c +++ b/drivers/misc/bmp085.c @@ -87,7 +87,7 @@ struct bmp085_data { u32 raw_temperature; u32 raw_pressure; unsigned char oversampling_setting; - u32 last_temp_measurement; + unsigned long last_temp_measurement; s32 b6; /* calculated temperature correction coefficient */ }; @@ -234,7 +234,8 @@ static s32 bmp085_get_pressure(struct bmp085_data *data, int *pressure) int status; /* alt least every second force an update of the ambient temperature */ - if (data->last_temp_measurement + 1*HZ < jiffies) { + if (data->last_temp_measurement == 0 || + time_is_before_jiffies(data->last_temp_measurement + 1*HZ)) { status = bmp085_get_temperature(data, NULL); if (status != 0) goto exit; @@ -464,20 +465,8 @@ static struct i2c_driver bmp085_driver = { .address_list = normal_i2c }; -static int __init bmp085_init(void) -{ - return i2c_add_driver(&bmp085_driver); -} - -static void __exit bmp085_exit(void) -{ - i2c_del_driver(&bmp085_driver); -} - +module_i2c_driver(bmp085_driver); MODULE_AUTHOR("Christoph Mair <christoph.mair@gmail.com"); MODULE_DESCRIPTION("BMP085 driver"); MODULE_LICENSE("GPL"); - -module_init(bmp085_init); -module_exit(bmp085_exit); diff --git a/drivers/misc/carma/carma-fpga.c b/drivers/misc/carma/carma-fpga.c index 14e974b2a78..366bc156e34 100644 --- a/drivers/misc/carma/carma-fpga.c +++ b/drivers/misc/carma/carma-fpga.c @@ -1410,23 +1410,8 @@ static struct platform_driver data_of_driver = { }, }; -/* - * Module Init / Exit - */ - -static int __init data_init(void) -{ - return platform_driver_register(&data_of_driver); -} - -static void __exit data_exit(void) -{ - platform_driver_unregister(&data_of_driver); -} +module_platform_driver(data_of_driver); MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>"); MODULE_DESCRIPTION("CARMA DATA-FPGA Access Driver"); MODULE_LICENSE("GPL"); - -module_init(data_init); -module_exit(data_exit); diff --git a/drivers/misc/cs5535-mfgpt.c b/drivers/misc/cs5535-mfgpt.c index 87a390de054..f505a40a8f4 100644 --- a/drivers/misc/cs5535-mfgpt.c +++ b/drivers/misc/cs5535-mfgpt.c @@ -246,7 +246,7 @@ EXPORT_SYMBOL_GPL(cs5535_mfgpt_write); * Jordan tells me that he and Mitch once played w/ it, but it's unclear * what the results of that were (and they experienced some instability). */ -static void __init reset_all_timers(void) +static void __devinit reset_all_timers(void) { uint32_t val, dummy; diff --git a/drivers/misc/ds1682.c b/drivers/misc/ds1682.c index a513f0aa643..154b02e5094 100644 --- a/drivers/misc/ds1682.c +++ b/drivers/misc/ds1682.c @@ -250,19 +250,8 @@ static struct i2c_driver ds1682_driver = { .id_table = ds1682_id, }; -static int __init ds1682_init(void) -{ - return i2c_add_driver(&ds1682_driver); -} - -static void __exit ds1682_exit(void) -{ - i2c_del_driver(&ds1682_driver); -} +module_i2c_driver(ds1682_driver); MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>"); MODULE_DESCRIPTION("DS1682 Elapsed Time Indicator driver"); MODULE_LICENSE("GPL"); - -module_init(ds1682_init); -module_exit(ds1682_exit); diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c index c627e4174cc..01ab3c9b4cf 100644 --- a/drivers/misc/eeprom/at25.c +++ b/drivers/misc/eeprom/at25.c @@ -405,17 +405,7 @@ static struct spi_driver at25_driver = { .remove = __devexit_p(at25_remove), }; -static int __init at25_init(void) -{ - return spi_register_driver(&at25_driver); -} -module_init(at25_init); - -static void __exit at25_exit(void) -{ - spi_unregister_driver(&at25_driver); -} -module_exit(at25_exit); +module_spi_driver(at25_driver); MODULE_DESCRIPTION("Driver for most SPI EEPROMs"); MODULE_AUTHOR("David Brownell"); diff --git a/drivers/misc/eeprom/eeprom.c b/drivers/misc/eeprom/eeprom.c index 45060ddc4e5..c169e07654c 100644 --- a/drivers/misc/eeprom/eeprom.c +++ b/drivers/misc/eeprom/eeprom.c @@ -229,22 +229,10 @@ static struct i2c_driver eeprom_driver = { .address_list = normal_i2c, }; -static int __init eeprom_init(void) -{ - return i2c_add_driver(&eeprom_driver); -} - -static void __exit eeprom_exit(void) -{ - i2c_del_driver(&eeprom_driver); -} - +module_i2c_driver(eeprom_driver); MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl> and " "Philip Edelbrock <phil@netroedge.com> and " "Greg Kroah-Hartman <greg@kroah.com>"); MODULE_DESCRIPTION("I2C EEPROM driver"); MODULE_LICENSE("GPL"); - -module_init(eeprom_init); -module_exit(eeprom_exit); diff --git a/drivers/misc/eeprom/eeprom_93xx46.c b/drivers/misc/eeprom/eeprom_93xx46.c index 0c7ebb1e19e..ce3fe3633dd 100644 --- a/drivers/misc/eeprom/eeprom_93xx46.c +++ b/drivers/misc/eeprom/eeprom_93xx46.c @@ -392,17 +392,7 @@ static struct spi_driver eeprom_93xx46_driver = { .remove = __devexit_p(eeprom_93xx46_remove), }; -static int __init eeprom_93xx46_init(void) -{ - return spi_register_driver(&eeprom_93xx46_driver); -} -module_init(eeprom_93xx46_init); - -static void __exit eeprom_93xx46_exit(void) -{ - spi_unregister_driver(&eeprom_93xx46_driver); -} -module_exit(eeprom_93xx46_exit); +module_spi_driver(eeprom_93xx46_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Driver for 93xx46 EEPROMs"); diff --git a/drivers/misc/eeprom/max6875.c b/drivers/misc/eeprom/max6875.c index 5653a3ce051..e36157d5d3a 100644 --- a/drivers/misc/eeprom/max6875.c +++ b/drivers/misc/eeprom/max6875.c @@ -208,20 +208,8 @@ static struct i2c_driver max6875_driver = { .id_table = max6875_id, }; -static int __init max6875_init(void) -{ - return i2c_add_driver(&max6875_driver); -} - -static void __exit max6875_exit(void) -{ - i2c_del_driver(&max6875_driver); -} - +module_i2c_driver(max6875_driver); MODULE_AUTHOR("Ben Gardner <bgardner@wabtec.com>"); MODULE_DESCRIPTION("MAX6875 driver"); MODULE_LICENSE("GPL"); - -module_init(max6875_init); -module_exit(max6875_exit); diff --git a/drivers/misc/fsa9480.c b/drivers/misc/fsa9480.c index f6586d53e1a..ac96c3a4034 100644 --- a/drivers/misc/fsa9480.c +++ b/drivers/misc/fsa9480.c @@ -458,7 +458,6 @@ fail2: if (client->irq) free_irq(client->irq, usbsw); fail1: - i2c_set_clientdata(client, NULL); kfree(usbsw); return ret; } @@ -468,7 +467,6 @@ static int __devexit fsa9480_remove(struct i2c_client *client) struct fsa9480_usbsw *usbsw = i2c_get_clientdata(client); if (client->irq) free_irq(client->irq, usbsw); - i2c_set_clientdata(client, NULL); sysfs_remove_group(&client->dev.kobj, &fsa9480_group); device_init_wakeup(&client->dev, 0); @@ -541,17 +539,7 @@ static struct i2c_driver fsa9480_i2c_driver = { .id_table = fsa9480_id, }; -static int __init fsa9480_init(void) -{ - return i2c_add_driver(&fsa9480_i2c_driver); -} -module_init(fsa9480_init); - -static void __exit fsa9480_exit(void) -{ - i2c_del_driver(&fsa9480_i2c_driver); -} -module_exit(fsa9480_exit); +module_i2c_driver(fsa9480_i2c_driver); MODULE_AUTHOR("Minkyu Kang <mk7.kang@samsung.com>"); MODULE_DESCRIPTION("FSA9480 USB Switch driver"); diff --git a/drivers/misc/hmc6352.c b/drivers/misc/hmc6352.c index ca938fc8a8d..423cd40f1c0 100644 --- a/drivers/misc/hmc6352.c +++ b/drivers/misc/hmc6352.c @@ -148,18 +148,7 @@ static struct i2c_driver hmc6352_driver = { .id_table = hmc6352_id, }; -static int __init sensor_hmc6352_init(void) -{ - return i2c_add_driver(&hmc6352_driver); -} - -static void __exit sensor_hmc6352_exit(void) -{ - i2c_del_driver(&hmc6352_driver); -} - -module_init(sensor_hmc6352_init); -module_exit(sensor_hmc6352_exit); +module_i2c_driver(hmc6352_driver); MODULE_AUTHOR("Kalhan Trisal <kalhan.trisal@intel.com"); MODULE_DESCRIPTION("hmc6352 Compass Driver"); diff --git a/drivers/misc/ics932s401.c b/drivers/misc/ics932s401.c index 152e9d93eec..00295367c06 100644 --- a/drivers/misc/ics932s401.c +++ b/drivers/misc/ics932s401.c @@ -480,23 +480,12 @@ static int ics932s401_remove(struct i2c_client *client) return 0; } -static int __init ics932s401_init(void) -{ - return i2c_add_driver(&ics932s401_driver); -} - -static void __exit ics932s401_exit(void) -{ - i2c_del_driver(&ics932s401_driver); -} +module_i2c_driver(ics932s401_driver); MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>"); MODULE_DESCRIPTION("ICS932S401 driver"); MODULE_LICENSE("GPL"); -module_init(ics932s401_init); -module_exit(ics932s401_exit); - /* IBM IntelliStation Z30 */ MODULE_ALIAS("dmi:bvnIBM:*:rn9228:*"); MODULE_ALIAS("dmi:bvnIBM:*:rn9232:*"); diff --git a/drivers/misc/isl29003.c b/drivers/misc/isl29003.c index a71e245801e..eb5de2e210d 100644 --- a/drivers/misc/isl29003.c +++ b/drivers/misc/isl29003.c @@ -455,21 +455,9 @@ static struct i2c_driver isl29003_driver = { .id_table = isl29003_id, }; -static int __init isl29003_init(void) -{ - return i2c_add_driver(&isl29003_driver); -} - -static void __exit isl29003_exit(void) -{ - i2c_del_driver(&isl29003_driver); -} +module_i2c_driver(isl29003_driver); MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); MODULE_DESCRIPTION("ISL29003 ambient light sensor driver"); MODULE_LICENSE("GPL v2"); MODULE_VERSION(DRIVER_VERSION); - -module_init(isl29003_init); -module_exit(isl29003_exit); - diff --git a/drivers/misc/isl29020.c b/drivers/misc/isl29020.c index 3d6cce663be..0aa08c74646 100644 --- a/drivers/misc/isl29020.c +++ b/drivers/misc/isl29020.c @@ -230,18 +230,7 @@ static struct i2c_driver isl29020_driver = { .id_table = isl29020_id, }; -static int __init sensor_isl29020_init(void) -{ - return i2c_add_driver(&isl29020_driver); -} - -static void __exit sensor_isl29020_exit(void) -{ - i2c_del_driver(&isl29020_driver); -} - -module_init(sensor_isl29020_init); -module_exit(sensor_isl29020_exit); +module_i2c_driver(isl29020_driver); MODULE_AUTHOR("Kalhan Trisal <kalhan.trisal@intel.com>"); MODULE_DESCRIPTION("Intersil isl29020 ALS Driver"); diff --git a/drivers/misc/lis3lv02d/lis3lv02d_i2c.c b/drivers/misc/lis3lv02d/lis3lv02d_i2c.c index c02fea029dc..e8c0019da97 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d_i2c.c +++ b/drivers/misc/lis3lv02d/lis3lv02d_i2c.c @@ -256,19 +256,8 @@ static struct i2c_driver lis3lv02d_i2c_driver = { .id_table = lis3lv02d_id, }; -static int __init lis3lv02d_init(void) -{ - return i2c_add_driver(&lis3lv02d_i2c_driver); -} - -static void __exit lis3lv02d_exit(void) -{ - i2c_del_driver(&lis3lv02d_i2c_driver); -} +module_i2c_driver(lis3lv02d_i2c_driver); MODULE_AUTHOR("Nokia Corporation"); MODULE_DESCRIPTION("lis3lv02d I2C interface"); MODULE_LICENSE("GPL"); - -module_init(lis3lv02d_init); -module_exit(lis3lv02d_exit); diff --git a/drivers/misc/lis3lv02d/lis3lv02d_spi.c b/drivers/misc/lis3lv02d/lis3lv02d_spi.c index b2c1be12d16..80880e984b4 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d_spi.c +++ b/drivers/misc/lis3lv02d/lis3lv02d_spi.c @@ -126,18 +126,7 @@ static struct spi_driver lis302dl_spi_driver = { .remove = __devexit_p(lis302dl_spi_remove), }; -static int __init lis302dl_init(void) -{ - return spi_register_driver(&lis302dl_spi_driver); -} - -static void __exit lis302dl_exit(void) -{ - spi_unregister_driver(&lis302dl_spi_driver); -} - -module_init(lis302dl_init); -module_exit(lis302dl_exit); +module_spi_driver(lis302dl_spi_driver); MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); MODULE_DESCRIPTION("lis3lv02d SPI glue layer"); diff --git a/drivers/misc/max8997-muic.c b/drivers/misc/max8997-muic.c index d74ef41aabd..19591eaa492 100644 --- a/drivers/misc/max8997-muic.c +++ b/drivers/misc/max8997-muic.c @@ -488,17 +488,7 @@ static struct platform_driver max8997_muic_driver = { .remove = __devexit_p(max8997_muic_remove), }; -static int __init max8997_muic_init(void) -{ - return platform_driver_register(&max8997_muic_driver); -} -module_init(max8997_muic_init); - -static void __exit max8997_muic_exit(void) -{ - platform_driver_unregister(&max8997_muic_driver); -} -module_exit(max8997_muic_exit); +module_platform_driver(max8997_muic_driver); MODULE_DESCRIPTION("Maxim MAX8997 MUIC driver"); MODULE_AUTHOR("Donggeun Kim <dg77.kim@samsung.com>"); diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c index 0b56e3f4357..383133b201a 100644 --- a/drivers/misc/pti.c +++ b/drivers/misc/pti.c @@ -481,13 +481,9 @@ static int pti_tty_install(struct tty_driver *driver, struct tty_struct *tty) { int idx = tty->index; struct pti_tty *pti_tty_data; - int ret = tty_init_termios(tty); + int ret = tty_standard_install(driver, tty); if (ret == 0) { - tty_driver_kref_get(driver); - tty->count++; - driver->ttys[idx] = tty; - pti_tty_data = kmalloc(sizeof(struct pti_tty), GFP_KERNEL); if (pti_tty_data == NULL) return -ENOMEM; @@ -911,21 +907,17 @@ static int __init pti_init(void) /* First register module as tty device */ - pti_tty_driver = alloc_tty_driver(1); + pti_tty_driver = alloc_tty_driver(PTITTY_MINOR_NUM); if (pti_tty_driver == NULL) { pr_err("%s(%d): Memory allocation failed for ptiTTY driver\n", __func__, __LINE__); return -ENOMEM; } - pti_tty_driver->owner = THIS_MODULE; - pti_tty_driver->magic = TTY_DRIVER_MAGIC; pti_tty_driver->driver_name = DRIVERNAME; pti_tty_driver->name = TTYNAME; pti_tty_driver->major = 0; pti_tty_driver->minor_start = PTITTY_MINOR_START; - pti_tty_driver->minor_num = PTITTY_MINOR_NUM; - pti_tty_driver->num = PTITTY_MINOR_NUM; pti_tty_driver->type = TTY_DRIVER_TYPE_SYSTEM; pti_tty_driver->subtype = SYSTEM_TYPE_SYSCONS; pti_tty_driver->flags = TTY_DRIVER_REAL_RAW | diff --git a/drivers/misc/spear13xx_pcie_gadget.c b/drivers/misc/spear13xx_pcie_gadget.c index 43d073bc1d9..123ed98eec3 100644 --- a/drivers/misc/spear13xx_pcie_gadget.c +++ b/drivers/misc/spear13xx_pcie_gadget.c @@ -891,17 +891,7 @@ static struct platform_driver spear_pcie_gadget_driver = { }, }; -static int __init spear_pcie_gadget_init(void) -{ - return platform_driver_register(&spear_pcie_gadget_driver); -} -module_init(spear_pcie_gadget_init); - -static void __exit spear_pcie_gadget_exit(void) -{ - platform_driver_unregister(&spear_pcie_gadget_driver); -} -module_exit(spear_pcie_gadget_exit); +module_platform_driver(spear_pcie_gadget_driver); MODULE_ALIAS("platform:pcie-gadget-spear"); MODULE_AUTHOR("Pratyush Anand"); diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c index a7a861ceee2..7c14f8fd98d 100644 --- a/drivers/misc/ti-st/st_kim.c +++ b/drivers/misc/ti-st/st_kim.c @@ -837,19 +837,8 @@ static struct platform_driver kim_platform_driver = { }, }; -static int __init st_kim_init(void) -{ - return platform_driver_register(&kim_platform_driver); -} - -static void __exit st_kim_deinit(void) -{ - platform_driver_unregister(&kim_platform_driver); -} - +module_platform_driver(kim_platform_driver); -module_init(st_kim_init); -module_exit(st_kim_deinit); MODULE_AUTHOR("Pavan Savoy <pavan_savoy@ti.com>"); MODULE_DESCRIPTION("Shared Transport Driver for TI BT/FM/GPS combo chips "); MODULE_LICENSE("GPL"); diff --git a/drivers/misc/ti_dac7512.c b/drivers/misc/ti_dac7512.c index d3f229a3a77..5acbba120de 100644 --- a/drivers/misc/ti_dac7512.c +++ b/drivers/misc/ti_dac7512.c @@ -82,20 +82,9 @@ static struct spi_driver dac7512_driver = { .remove = __devexit_p(dac7512_remove), }; -static int __init dac7512_init(void) -{ - return spi_register_driver(&dac7512_driver); -} - -static void __exit dac7512_exit(void) -{ - spi_unregister_driver(&dac7512_driver); -} +module_spi_driver(dac7512_driver); MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); MODULE_DESCRIPTION("DAC7512 16-bit DAC"); MODULE_LICENSE("GPL v2"); MODULE_VERSION(DRIVER_VERSION); - -module_init(dac7512_init); -module_exit(dac7512_exit); diff --git a/drivers/misc/tsl2550.c b/drivers/misc/tsl2550.c index 483ae5f7f68..0beb298a17d 100644 --- a/drivers/misc/tsl2550.c +++ b/drivers/misc/tsl2550.c @@ -454,20 +454,9 @@ static struct i2c_driver tsl2550_driver = { .id_table = tsl2550_id, }; -static int __init tsl2550_init(void) -{ - return i2c_add_driver(&tsl2550_driver); -} - -static void __exit tsl2550_exit(void) -{ - i2c_del_driver(&tsl2550_driver); -} +module_i2c_driver(tsl2550_driver); MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>"); MODULE_DESCRIPTION("TSL2550 ambient light sensor driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRIVER_VERSION); - -module_init(tsl2550_init); -module_exit(tsl2550_exit); diff --git a/drivers/mmc/card/sdio_uart.c b/drivers/mmc/card/sdio_uart.c index 2c151e18c9e..5a2cbfac66d 100644 --- a/drivers/mmc/card/sdio_uart.c +++ b/drivers/mmc/card/sdio_uart.c @@ -750,15 +750,12 @@ static int sdio_uart_install(struct tty_driver *driver, struct tty_struct *tty) { int idx = tty->index; struct sdio_uart_port *port = sdio_uart_port_get(idx); - int ret = tty_init_termios(tty); + int ret = tty_standard_install(driver, tty); - if (ret == 0) { - tty_driver_kref_get(driver); - tty->count++; + if (ret == 0) /* This is the ref sdio_uart_port get provided */ tty->driver_data = port; - driver->ttys[idx] = tty; - } else + else sdio_uart_port_put(port); return ret; } @@ -1178,7 +1175,6 @@ static int __init sdio_uart_init(void) if (!tty_drv) return -ENOMEM; - tty_drv->owner = THIS_MODULE; tty_drv->driver_name = "sdio_uart"; tty_drv->name = "ttySDIO"; tty_drv->major = 0; /* dynamically allocated */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 7aee46983be..99389c8dda2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -1934,7 +1934,7 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) } if (bp->port.pmf) - bnx2x_update_drv_flags(bp, DRV_FLAGS_DCB_CONFIGURED, 0); + bnx2x_update_drv_flags(bp, 1 << DRV_FLAGS_DCB_CONFIGURED, 0); else bnx2x__link_status_update(bp); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index bf27c54ff2e..4f40f7d7d8c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -1179,10 +1179,16 @@ static inline int bnx2x_alloc_rx_bds(struct bnx2x_fastpath *fp, */ static inline u8 bnx2x_stats_id(struct bnx2x_fastpath *fp) { - if (!CHIP_IS_E1x(fp->bp)) + struct bnx2x *bp = fp->bp; + if (!CHIP_IS_E1x(bp)) { +#ifdef BCM_CNIC + /* there are special statistics counters for FCoE 136..140 */ + if (IS_FCOE_FP(fp)) + return bp->cnic_base_cl_id + (bp->pf_num >> 1); +#endif return fp->cl_id; - else - return fp->cl_id + BP_PORT(fp->bp) * FP_SB_MAX_E1x; + } + return fp->cl_id + BP_PORT(bp) * FP_SB_MAX_E1x; } static inline void bnx2x_init_vlan_mac_fp_objs(struct bnx2x_fastpath *fp, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c index 5051cf3deb2..6d82ade4c31 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c @@ -735,7 +735,9 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) bp->dcbx_error); /* mark DCBX result for PMF migration */ - bnx2x_update_drv_flags(bp, DRV_FLAGS_DCB_CONFIGURED, 1); + bnx2x_update_drv_flags(bp, + 1 << DRV_FLAGS_DCB_CONFIGURED, + 1); #ifdef BCM_DCBNL /* * Add new app tlvs to dcbnl @@ -1020,7 +1022,7 @@ void bnx2x_dcbx_init(struct bnx2x *bp) DP(NETIF_MSG_LINK, "dcbx_lldp_params_offset 0x%x\n", dcbx_lldp_params_offset); - bnx2x_update_drv_flags(bp, DRV_FLAGS_DCB_CONFIGURED, 0); + bnx2x_update_drv_flags(bp, 1 << DRV_FLAGS_DCB_CONFIGURED, 0); if (SHMEM_LLDP_DCBX_PARAMS_NONE != dcbx_lldp_params_offset) { bnx2x_dcbx_admin_mib_updated_params(bp, @@ -1857,7 +1859,7 @@ void bnx2x_dcbx_pmf_update(struct bnx2x *bp) * read it from shmem and update bp and netdev accordingly */ if (SHMEM2_HAS(bp, drv_flags) && - GET_FLAGS(SHMEM2_RD(bp, drv_flags), DRV_FLAGS_DCB_CONFIGURED)) { + GET_FLAGS(SHMEM2_RD(bp, drv_flags), 1 << DRV_FLAGS_DCB_CONFIGURED)) { /* Read neg results if dcbx is in the FW */ if (bnx2x_dcbx_read_shmem_neg_results(bp)) return; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 25452131915..b69f8762b33 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -10824,38 +10824,36 @@ do { \ int bnx2x_init_firmware(struct bnx2x *bp) { + const char *fw_file_name; struct bnx2x_fw_file_hdr *fw_hdr; int rc; + if (bp->firmware) + return 0; - if (!bp->firmware) { - const char *fw_file_name; - - if (CHIP_IS_E1(bp)) - fw_file_name = FW_FILE_NAME_E1; - else if (CHIP_IS_E1H(bp)) - fw_file_name = FW_FILE_NAME_E1H; - else if (!CHIP_IS_E1x(bp)) - fw_file_name = FW_FILE_NAME_E2; - else { - BNX2X_ERR("Unsupported chip revision\n"); - return -EINVAL; - } - BNX2X_DEV_INFO("Loading %s\n", fw_file_name); + if (CHIP_IS_E1(bp)) + fw_file_name = FW_FILE_NAME_E1; + else if (CHIP_IS_E1H(bp)) + fw_file_name = FW_FILE_NAME_E1H; + else if (!CHIP_IS_E1x(bp)) + fw_file_name = FW_FILE_NAME_E2; + else { + BNX2X_ERR("Unsupported chip revision\n"); + return -EINVAL; + } + BNX2X_DEV_INFO("Loading %s\n", fw_file_name); - rc = request_firmware(&bp->firmware, fw_file_name, - &bp->pdev->dev); - if (rc) { - BNX2X_ERR("Can't load firmware file %s\n", - fw_file_name); - goto request_firmware_exit; - } + rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev); + if (rc) { + BNX2X_ERR("Can't load firmware file %s\n", + fw_file_name); + goto request_firmware_exit; + } - rc = bnx2x_check_firmware(bp); - if (rc) { - BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name); - goto request_firmware_exit; - } + rc = bnx2x_check_firmware(bp); + if (rc) { + BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name); + goto request_firmware_exit; } fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data; @@ -10901,6 +10899,7 @@ init_ops_alloc_err: kfree(bp->init_data); request_firmware_exit: release_firmware(bp->firmware); + bp->firmware = NULL; return rc; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c index cb6339c3557..94110e9ce51 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c @@ -5601,7 +5601,7 @@ static inline int bnx2x_func_send_start(struct bnx2x *bp, /* Fill the ramrod data with provided parameters */ rdata->function_mode = cpu_to_le16(start_params->mf_mode); - rdata->sd_vlan_tag = start_params->sd_vlan_tag; + rdata->sd_vlan_tag = cpu_to_le16(start_params->sd_vlan_tag); rdata->path_id = BP_PATH(bp); rdata->network_cos_mode = start_params->network_cos_mode; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c index 1adef266fcd..a766b25eec5 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c @@ -554,23 +554,11 @@ static void bnx2x_bmac_stats_update(struct bnx2x *bp) UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl); /* collect PFC stats */ - DIFF_64(diff.hi, new->tx_stat_gtpp_hi, - pstats->pfc_frames_tx_hi, - diff.lo, new->tx_stat_gtpp_lo, - pstats->pfc_frames_tx_lo); pstats->pfc_frames_tx_hi = new->tx_stat_gtpp_hi; pstats->pfc_frames_tx_lo = new->tx_stat_gtpp_lo; - ADD_64(pstats->pfc_frames_tx_hi, diff.hi, - pstats->pfc_frames_tx_lo, diff.lo); - DIFF_64(diff.hi, new->rx_stat_grpp_hi, - pstats->pfc_frames_rx_hi, - diff.lo, new->rx_stat_grpp_lo, - pstats->pfc_frames_rx_lo); pstats->pfc_frames_rx_hi = new->rx_stat_grpp_hi; pstats->pfc_frames_rx_lo = new->rx_stat_grpp_lo; - ADD_64(pstats->pfc_frames_rx_hi, diff.hi, - pstats->pfc_frames_rx_lo, diff.lo); } estats->pause_frames_received_hi = diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index bf01841bda5..610860f2896 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -166,7 +166,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) dev_kfree_skb(skb); net->stats.tx_dropped++; - return NETDEV_TX_BUSY; + return NETDEV_TX_OK; } packet->extension = (void *)(unsigned long)packet + @@ -226,7 +226,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) dev_kfree_skb_any(skb); } - return ret ? NETDEV_TX_BUSY : NETDEV_TX_OK; + return NETDEV_TX_OK; } /* diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index f320f466f03..e8c42d6a7d1 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -915,9 +915,7 @@ static int phy_probe(struct device *dev) phydev = to_phy_device(dev); - /* Make sure the driver is held. - * XXX -- Is this correct? */ - drv = get_driver(phydev->dev.driver); + drv = phydev->dev.driver; phydrv = to_phy_driver(drv); phydev->drv = phydrv; @@ -957,8 +955,6 @@ static int phy_remove(struct device *dev) if (phydev->drv->remove) phydev->drv->remove(phydev); - - put_driver(dev->driver); phydev->drv = NULL; return 0; diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 93c5d72711b..2d7601dd666 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -359,7 +359,7 @@ static void tun_free_netdev(struct net_device *dev) { struct tun_struct *tun = netdev_priv(dev); - sock_put(tun->socket.sk); + sk_release_kernel(tun->socket.sk); } /* Net device open. */ @@ -980,10 +980,18 @@ static int tun_recvmsg(struct kiocb *iocb, struct socket *sock, return ret; } +static int tun_release(struct socket *sock) +{ + if (sock->sk) + sock_put(sock->sk); + return 0; +} + /* Ops structure to mimic raw sockets with tun */ static const struct proto_ops tun_socket_ops = { .sendmsg = tun_sendmsg, .recvmsg = tun_recvmsg, + .release = tun_release, }; static struct proto tun_proto = { @@ -1110,10 +1118,11 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) tun->vnet_hdr_sz = sizeof(struct virtio_net_hdr); err = -ENOMEM; - sk = sk_alloc(net, AF_UNSPEC, GFP_KERNEL, &tun_proto); + sk = sk_alloc(&init_net, AF_UNSPEC, GFP_KERNEL, &tun_proto); if (!sk) goto err_free_dev; + sk_change_net(sk, net); tun->socket.wq = &tun->wq; init_waitqueue_head(&tun->wq.wait); tun->socket.ops = &tun_socket_ops; @@ -1174,7 +1183,7 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) return 0; err_free_sk: - sock_put(sk); + tun_free_netdev(dev); err_free_dev: free_netdev(dev); failed: diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c index 8e84f5bdd6c..d6da5eed545 100644 --- a/drivers/net/usb/asix.c +++ b/drivers/net/usb/asix.c @@ -1599,6 +1599,10 @@ static const struct usb_device_id products [] = { USB_DEVICE (0x6189, 0x182d), .driver_info = (unsigned long) &ax8817x_info, }, { + // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter" + USB_DEVICE (0x0df6, 0x0056), + .driver_info = (unsigned long) &ax88178_info, +}, { // corega FEther USB2-TX USB_DEVICE (0x07aa, 0x0017), .driver_info = (unsigned long) &ax8817x_info, diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index e1324b4a0f6..2d2a6882ba3 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -3313,7 +3313,6 @@ static int __init hso_init(void) /* fill in all needed values */ tty_drv->magic = TTY_DRIVER_MAGIC; - tty_drv->owner = THIS_MODULE; tty_drv->driver_name = driver_name; tty_drv->name = tty_filename; @@ -3322,7 +3321,6 @@ static int __init hso_init(void) tty_drv->major = tty_major; tty_drv->minor_start = 0; - tty_drv->num = HSO_SERIAL_TTY_MINORS; tty_drv->type = TTY_DRIVER_TYPE_SERIAL; tty_drv->subtype = SERIAL_TYPE_NORMAL; tty_drv->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 81b96e30375..59681f01a54 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -328,13 +328,13 @@ static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags) unsigned long lockflags; size_t size = dev->rx_urb_size; - if ((skb = alloc_skb (size + NET_IP_ALIGN, flags)) == NULL) { + skb = __netdev_alloc_skb_ip_align(dev->net, size, flags); + if (!skb) { netif_dbg(dev, rx_err, dev->net, "no rx skb\n"); usbnet_defer_kevent (dev, EVENT_RX_MEMORY); usb_free_urb (urb); return -ENOMEM; } - skb_reserve (skb, NET_IP_ALIGN); entry = (struct skb_data *) skb->cb; entry->urb = urb; diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c index 1eeedd6a10b..cb0f8d932b0 100644 --- a/drivers/net/wan/pc300_drv.c +++ b/drivers/net/wan/pc300_drv.c @@ -299,7 +299,6 @@ void cpc_tty_init(pc300dev_t * dev); void cpc_tty_unregister_service(pc300dev_t * pc300dev); void cpc_tty_receive(pc300dev_t * pc300dev); void cpc_tty_trigger_poll(pc300dev_t * pc300dev); -void cpc_tty_reset_var(void); #endif /************************/ @@ -3232,7 +3231,7 @@ static void plx_init(pc300_t * card) } -static inline void show_version(void) +static void show_version(void) { char *rcsvers, *rcsdate, *tmp; @@ -3413,19 +3412,10 @@ static void cpc_init_card(pc300_t * card) static int __devinit cpc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { - static int first_time = 1; int err, eeprom_outdated = 0; u16 device_id; pc300_t *card; - if (first_time) { - first_time = 0; - show_version(); -#ifdef CONFIG_PC300_MLPPP - cpc_tty_reset_var(); -#endif - } - if ((err = pci_enable_device(pdev)) < 0) return err; @@ -3661,6 +3651,7 @@ static struct pci_driver cpc_driver = { static int __init cpc_init(void) { + show_version(); return pci_register_driver(&cpc_driver); } diff --git a/drivers/net/wan/pc300_tty.c b/drivers/net/wan/pc300_tty.c index d47d2cd1047..4709f422856 100644 --- a/drivers/net/wan/pc300_tty.c +++ b/drivers/net/wan/pc300_tty.c @@ -139,7 +139,6 @@ void cpc_tty_init(pc300dev_t *dev); void cpc_tty_unregister_service(pc300dev_t *pc300dev); void cpc_tty_receive(pc300dev_t *pc300dev); void cpc_tty_trigger_poll(pc300dev_t *pc300dev); -void cpc_tty_reset_var(void); /* * PC300 TTY clear "signal" @@ -1078,20 +1077,3 @@ void cpc_tty_trigger_poll(pc300dev_t *pc300dev) } schedule_work(&(cpc_tty->tty_tx_work)); } - -/* - * PC300 TTY reset var routine - * This routine is called by pc300driver to init the TTY area. - */ - -void cpc_tty_reset_var(void) -{ - int i ; - - CPC_TTY_DBG("hdlcX-tty: reset variables\n"); - /* reset the tty_driver structure - serial_drv */ - memset(&serial_drv, 0, sizeof(struct tty_driver)); - for (i=0; i < CPC_TTY_NPORTS; i++){ - memset(&cpc_tty_area[i],0, sizeof(st_cpc_tty_area)); - } -} diff --git a/drivers/net/wimax/i2400m/netdev.c b/drivers/net/wimax/i2400m/netdev.c index 64a110604ad..63e4b709efa 100644 --- a/drivers/net/wimax/i2400m/netdev.c +++ b/drivers/net/wimax/i2400m/netdev.c @@ -367,38 +367,28 @@ netdev_tx_t i2400m_hard_start_xmit(struct sk_buff *skb, { struct i2400m *i2400m = net_dev_to_i2400m(net_dev); struct device *dev = i2400m_dev(i2400m); - int result; + int result = -1; d_fnstart(3, dev, "(skb %p net_dev %p)\n", skb, net_dev); - if (skb_header_cloned(skb)) { - /* - * Make tcpdump/wireshark happy -- if they are - * running, the skb is cloned and we will overwrite - * the mac fields in i2400m_tx_prep_header. Expand - * seems to fix this... - */ - result = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (result) { - result = NETDEV_TX_BUSY; - goto error_expand; - } - } + + if (skb_header_cloned(skb) && + pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) + goto drop; if (i2400m->state == I2400M_SS_IDLE) result = i2400m_net_wake_tx(i2400m, net_dev, skb); else result = i2400m_net_tx(i2400m, net_dev, skb); - if (result < 0) + if (result < 0) { +drop: net_dev->stats.tx_dropped++; - else { + } else { net_dev->stats.tx_packets++; net_dev->stats.tx_bytes += skb->len; } - result = NETDEV_TX_OK; -error_expand: - kfree_skb(skb); + dev_kfree_skb(skb); d_fnend(3, dev, "(skb %p net_dev %p) = %d\n", skb, net_dev, result); - return result; + return NETDEV_TX_OK; } diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c index 54b2d391e91..a7dfba8d164 100644 --- a/drivers/net/wireless/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/iwlegacy/3945-mac.c @@ -2475,7 +2475,7 @@ il3945_bg_alive_start(struct work_struct *data) container_of(data, struct il_priv, alive_start.work); mutex_lock(&il->mutex); - if (test_bit(S_EXIT_PENDING, &il->status)) + if (test_bit(S_EXIT_PENDING, &il->status) || il->txq == NULL) goto out; il3945_alive_start(il); diff --git a/drivers/net/wireless/iwlegacy/3945.c b/drivers/net/wireless/iwlegacy/3945.c index 1489b1573a6..c80eb9b3155 100644 --- a/drivers/net/wireless/iwlegacy/3945.c +++ b/drivers/net/wireless/iwlegacy/3945.c @@ -1870,11 +1870,12 @@ il3945_bg_reg_txpower_periodic(struct work_struct *work) struct il_priv *il = container_of(work, struct il_priv, _3945.thermal_periodic.work); - if (test_bit(S_EXIT_PENDING, &il->status)) - return; - mutex_lock(&il->mutex); + if (test_bit(S_EXIT_PENDING, &il->status) || il->txq == NULL) + goto out; + il3945_reg_txpower_periodic(il); +out: mutex_unlock(&il->mutex); } diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index d2a1ea98d0f..fd356b7c047 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -426,10 +426,14 @@ void rt2x00lib_txdone(struct queue_entry *entry, /* * If the data queue was below the threshold before the txdone * handler we must make sure the packet queue in the mac80211 stack - * is reenabled when the txdone handler has finished. + * is reenabled when the txdone handler has finished. This has to be + * serialized with rt2x00mac_tx(), otherwise we can wake up queue + * before it was stopped. */ + spin_lock_bh(&entry->queue->tx_lock); if (!rt2x00queue_threshold(entry->queue)) rt2x00queue_unpause_queue(entry->queue); + spin_unlock_bh(&entry->queue->tx_lock); } EXPORT_SYMBOL_GPL(rt2x00lib_txdone); diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index ede3c58e678..2df2eb6d3e0 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -152,13 +152,22 @@ void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) if (unlikely(rt2x00queue_write_tx_frame(queue, skb, false))) goto exit_fail; + /* + * Pausing queue has to be serialized with rt2x00lib_txdone(). Note + * we should not use spin_lock_bh variant as bottom halve was already + * disabled before ieee80211_xmit() call. + */ + spin_lock(&queue->tx_lock); if (rt2x00queue_threshold(queue)) rt2x00queue_pause_queue(queue); + spin_unlock(&queue->tx_lock); return; exit_fail: + spin_lock(&queue->tx_lock); rt2x00queue_pause_queue(queue); + spin_unlock(&queue->tx_lock); exit_free_skb: ieee80211_free_txskb(hw, skb); } diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 5adfb3eab9c..9b1b2b7a780 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -619,6 +619,9 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb, else if (test_bit(REQUIRE_DMA, &queue->rt2x00dev->cap_flags)) rt2x00queue_align_frame(skb); + /* + * That function must be called with bh disabled. + */ spin_lock(&queue->tx_lock); if (unlikely(rt2x00queue_full(queue))) { diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 3623d65f8b8..8d9616b821c 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -72,9 +72,7 @@ int pci_add_dynid(struct pci_driver *drv, list_add_tail(&dynid->node, &drv->dynids.list); spin_unlock(&drv->dynids.lock); - get_driver(&drv->driver); retval = driver_attach(&drv->driver); - put_driver(&drv->driver); return retval; } @@ -190,43 +188,34 @@ store_remove_id(struct device_driver *driver, const char *buf, size_t count) static DRIVER_ATTR(remove_id, S_IWUSR, NULL, store_remove_id); static int -pci_create_newid_file(struct pci_driver *drv) +pci_create_newid_files(struct pci_driver *drv) { int error = 0; - if (drv->probe != NULL) - error = driver_create_file(&drv->driver, &driver_attr_new_id); - return error; -} - -static void pci_remove_newid_file(struct pci_driver *drv) -{ - driver_remove_file(&drv->driver, &driver_attr_new_id); -} -static int -pci_create_removeid_file(struct pci_driver *drv) -{ - int error = 0; - if (drv->probe != NULL) - error = driver_create_file(&drv->driver,&driver_attr_remove_id); + if (drv->probe != NULL) { + error = driver_create_file(&drv->driver, &driver_attr_new_id); + if (error == 0) { + error = driver_create_file(&drv->driver, + &driver_attr_remove_id); + if (error) + driver_remove_file(&drv->driver, + &driver_attr_new_id); + } + } return error; } -static void pci_remove_removeid_file(struct pci_driver *drv) +static void pci_remove_newid_files(struct pci_driver *drv) { driver_remove_file(&drv->driver, &driver_attr_remove_id); + driver_remove_file(&drv->driver, &driver_attr_new_id); } #else /* !CONFIG_HOTPLUG */ -static inline int pci_create_newid_file(struct pci_driver *drv) +static inline int pci_create_newid_files(struct pci_driver *drv) { return 0; } -static inline void pci_remove_newid_file(struct pci_driver *drv) {} -static inline int pci_create_removeid_file(struct pci_driver *drv) -{ - return 0; -} -static inline void pci_remove_removeid_file(struct pci_driver *drv) {} +static inline void pci_remove_newid_files(struct pci_driver *drv) {} #endif /** @@ -1138,18 +1127,12 @@ int __pci_register_driver(struct pci_driver *drv, struct module *owner, if (error) goto out; - error = pci_create_newid_file(drv); + error = pci_create_newid_files(drv); if (error) goto out_newid; - - error = pci_create_removeid_file(drv); - if (error) - goto out_removeid; out: return error; -out_removeid: - pci_remove_newid_file(drv); out_newid: driver_unregister(&drv->driver); goto out; @@ -1168,8 +1151,7 @@ out_newid: void pci_unregister_driver(struct pci_driver *drv) { - pci_remove_removeid_file(drv); - pci_remove_newid_file(drv); + pci_remove_newid_files(drv); driver_unregister(&drv->driver); pci_free_dynids(drv); } diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 1cfbf228fbb..24f049e7395 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -500,6 +500,9 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev) int pos; u32 reg32; + if (aspm_disabled) + return 0; + /* * Some functions in a slot might not all be PCIe functions, * very strange. Disable ASPM for the whole slot diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c index 1620088a0e7..40109011092 100644 --- a/drivers/pci/xen-pcifront.c +++ b/drivers/pci/xen-pcifront.c @@ -593,7 +593,7 @@ static pci_ers_result_t pcifront_common_process(int cmd, } pdrv = pcidev->driver; - if (get_driver(&pdrv->driver)) { + if (pdrv) { if (pdrv->err_handler && pdrv->err_handler->error_detected) { dev_dbg(&pcidev->dev, "trying to call AER service\n"); @@ -623,7 +623,6 @@ static pci_ers_result_t pcifront_common_process(int cmd, } } } - put_driver(&pdrv->driver); } if (!flag) result = PCI_ERS_RESULT_NONE; diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 1932029de48..079629bff95 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -127,10 +127,7 @@ pcmcia_store_new_id(struct device_driver *driver, const char *buf, size_t count) list_add_tail(&dynid->node, &pdrv->dynids.list); mutex_unlock(&pdrv->dynids.lock); - if (get_driver(&pdrv->drv)) { - retval = driver_attach(&pdrv->drv); - put_driver(&pdrv->drv); - } + retval = driver_attach(&pdrv->drv); if (retval) return retval; @@ -160,6 +157,11 @@ pcmcia_create_newid_file(struct pcmcia_driver *drv) return error; } +static void +pcmcia_remove_newid_file(struct pcmcia_driver *drv) +{ + driver_remove_file(&drv->drv, &driver_attr_new_id); +} /** * pcmcia_register_driver - register a PCMCIA driver with the bus core @@ -204,6 +206,7 @@ EXPORT_SYMBOL(pcmcia_register_driver); void pcmcia_unregister_driver(struct pcmcia_driver *driver) { pr_debug("unregistering driver %s\n", driver->name); + pcmcia_remove_newid_file(driver); driver_unregister(&driver->drv); pcmcia_free_dynids(driver); } diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index f995e6e2f78..15dbd8cc445 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -143,6 +143,30 @@ config FUJITSU_LAPTOP_DEBUG If you are not sure, say N here. +config FUJITSU_TABLET + tristate "Fujitsu Tablet Extras" + depends on ACPI + depends on INPUT + ---help--- + This is a driver for tablets built by Fujitsu: + + * Lifebook P1510/P1610/P1620/Txxxx + * Stylistic ST5xxx + * Possibly other Fujitsu tablet models + + It adds support for the panel buttons, docking station detection, + tablet/notebook mode detection for convertible and + orientation detection for docked slates. + + If you have a Fujitsu convertible or slate, say Y or M here. + +config AMILO_RFKILL + tristate "Fujitsu-Siemens Amilo rfkill support" + depends on RFKILL + ---help--- + This is a driver for enabling wifi on some Fujitsu-Siemens Amilo + laptops. + config TC1100_WMI tristate "HP Compaq TC1100 Tablet WMI Extras (EXPERIMENTAL)" depends on !X86_64 diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index 293a320d9fa..d328f21e9fd 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -17,12 +17,14 @@ obj-$(CONFIG_ACER_WMI) += acer-wmi.o obj-$(CONFIG_ACERHDF) += acerhdf.o obj-$(CONFIG_HP_ACCEL) += hp_accel.o obj-$(CONFIG_HP_WMI) += hp-wmi.o +obj-$(CONFIG_AMILO_RFKILL) += amilo-rfkill.o obj-$(CONFIG_TC1100_WMI) += tc1100-wmi.o obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o obj-$(CONFIG_IDEAPAD_LAPTOP) += ideapad-laptop.o obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o obj-$(CONFIG_SENSORS_HDAPS) += hdaps.o obj-$(CONFIG_FUJITSU_LAPTOP) += fujitsu-laptop.o +obj-$(CONFIG_FUJITSU_TABLET) += fujitsu-tablet.o obj-$(CONFIG_PANASONIC_LAPTOP) += panasonic-laptop.o obj-$(CONFIG_INTEL_MENLOW) += intel_menlow.o obj-$(CONFIG_ACPI_WMI) += wmi.o diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index b848277171a..1e5290b5396 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -679,6 +679,32 @@ static acpi_status AMW0_find_mailled(void) return AE_OK; } +static int AMW0_set_cap_acpi_check_device_found; + +static acpi_status AMW0_set_cap_acpi_check_device_cb(acpi_handle handle, + u32 level, void *context, void **retval) +{ + AMW0_set_cap_acpi_check_device_found = 1; + return AE_OK; +} + +static const struct acpi_device_id norfkill_ids[] = { + { "VPC2004", 0}, + { "IBM0068", 0}, + { "LEN0068", 0}, + { "", 0}, +}; + +static int AMW0_set_cap_acpi_check_device(void) +{ + const struct acpi_device_id *id; + + for (id = norfkill_ids; id->id[0]; id++) + acpi_get_devices(id->id, AMW0_set_cap_acpi_check_device_cb, + NULL, NULL); + return AMW0_set_cap_acpi_check_device_found; +} + static acpi_status AMW0_set_capabilities(void) { struct wmab_args args; @@ -692,7 +718,9 @@ static acpi_status AMW0_set_capabilities(void) * work. */ if (wmi_has_guid(AMW0_GUID2)) { - interface->capability |= ACER_CAP_WIRELESS; + if ((quirks != &quirk_unknown) || + !AMW0_set_cap_acpi_check_device()) + interface->capability |= ACER_CAP_WIRELESS; return AE_OK; } diff --git a/drivers/platform/x86/amilo-rfkill.c b/drivers/platform/x86/amilo-rfkill.c new file mode 100644 index 00000000000..19170bb7700 --- /dev/null +++ b/drivers/platform/x86/amilo-rfkill.c @@ -0,0 +1,173 @@ +/* + * Support for rfkill on some Fujitsu-Siemens Amilo laptops. + * Copyright 2011 Ben Hutchings. + * + * Based in part on the fsam7440 driver, which is: + * Copyright 2005 Alejandro Vidal Mata & Javier Vidal Mata. + * and on the fsaa1655g driver, which is: + * Copyright 2006 Martin Večeřa. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/dmi.h> +#include <linux/i8042.h> +#include <linux/io.h> +#include <linux/moduleparam.h> +#include <linux/platform_device.h> +#include <linux/rfkill.h> + +/* + * These values were obtained from disassembling and debugging the + * PM.exe program installed in the Fujitsu-Siemens AMILO A1655G + */ +#define A1655_WIFI_COMMAND 0x10C5 +#define A1655_WIFI_ON 0x25 +#define A1655_WIFI_OFF 0x45 + +static int amilo_a1655_rfkill_set_block(void *data, bool blocked) +{ + u8 param = blocked ? A1655_WIFI_OFF : A1655_WIFI_ON; + int rc; + + i8042_lock_chip(); + rc = i8042_command(¶m, A1655_WIFI_COMMAND); + i8042_unlock_chip(); + return rc; +} + +static const struct rfkill_ops amilo_a1655_rfkill_ops = { + .set_block = amilo_a1655_rfkill_set_block +}; + +/* + * These values were obtained from disassembling the PM.exe program + * installed in the Fujitsu-Siemens AMILO M 7440 + */ +#define M7440_PORT1 0x118f +#define M7440_PORT2 0x118e +#define M7440_RADIO_ON1 0x12 +#define M7440_RADIO_ON2 0x80 +#define M7440_RADIO_OFF1 0x10 +#define M7440_RADIO_OFF2 0x00 + +static int amilo_m7440_rfkill_set_block(void *data, bool blocked) +{ + u8 val1 = blocked ? M7440_RADIO_OFF1 : M7440_RADIO_ON1; + u8 val2 = blocked ? M7440_RADIO_OFF2 : M7440_RADIO_ON2; + + outb(val1, M7440_PORT1); + outb(val2, M7440_PORT2); + + /* Check whether the state has changed correctly */ + if (inb(M7440_PORT1) != val1 || inb(M7440_PORT2) != val2) + return -EIO; + + return 0; +} + +static const struct rfkill_ops amilo_m7440_rfkill_ops = { + .set_block = amilo_m7440_rfkill_set_block +}; + +static const struct dmi_system_id __devinitdata amilo_rfkill_id_table[] = { + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_BOARD_NAME, "AMILO A1655"), + }, + .driver_data = (void *)&amilo_a1655_rfkill_ops + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_BOARD_NAME, "AMILO M7440"), + }, + .driver_data = (void *)&amilo_m7440_rfkill_ops + }, + {} +}; + +static struct platform_device *amilo_rfkill_pdev; +static struct rfkill *amilo_rfkill_dev; + +static int __devinit amilo_rfkill_probe(struct platform_device *device) +{ + const struct dmi_system_id *system_id = + dmi_first_match(amilo_rfkill_id_table); + int rc; + + amilo_rfkill_dev = rfkill_alloc(KBUILD_MODNAME, &device->dev, + RFKILL_TYPE_WLAN, + system_id->driver_data, NULL); + if (!amilo_rfkill_dev) + return -ENOMEM; + + rc = rfkill_register(amilo_rfkill_dev); + if (rc) + goto fail; + + return 0; + +fail: + rfkill_destroy(amilo_rfkill_dev); + return rc; +} + +static int amilo_rfkill_remove(struct platform_device *device) +{ + rfkill_unregister(amilo_rfkill_dev); + rfkill_destroy(amilo_rfkill_dev); + return 0; +} + +static struct platform_driver amilo_rfkill_driver = { + .driver = { + .name = KBUILD_MODNAME, + .owner = THIS_MODULE, + }, + .probe = amilo_rfkill_probe, + .remove = amilo_rfkill_remove, +}; + +static int __init amilo_rfkill_init(void) +{ + int rc; + + if (dmi_first_match(amilo_rfkill_id_table) == NULL) + return -ENODEV; + + rc = platform_driver_register(&amilo_rfkill_driver); + if (rc) + return rc; + + amilo_rfkill_pdev = platform_device_register_simple(KBUILD_MODNAME, -1, + NULL, 0); + if (IS_ERR(amilo_rfkill_pdev)) { + rc = PTR_ERR(amilo_rfkill_pdev); + goto fail; + } + + return 0; + +fail: + platform_driver_unregister(&amilo_rfkill_driver); + return rc; +} + +static void __exit amilo_rfkill_exit(void) +{ + platform_device_unregister(amilo_rfkill_pdev); + platform_driver_unregister(&amilo_rfkill_driver); +} + +MODULE_AUTHOR("Ben Hutchings <ben@decadent.org.uk>"); +MODULE_LICENSE("GPL"); +MODULE_DEVICE_TABLE(dmi, amilo_rfkill_id_table); + +module_init(amilo_rfkill_init); +module_exit(amilo_rfkill_exit); diff --git a/drivers/platform/x86/fujitsu-tablet.c b/drivers/platform/x86/fujitsu-tablet.c new file mode 100644 index 00000000000..580d80a73c3 --- /dev/null +++ b/drivers/platform/x86/fujitsu-tablet.c @@ -0,0 +1,478 @@ +/* + * Copyright (C) 2006-2012 Robert Gerlach <khnz@gmx.de> + * Copyright (C) 2005-2006 Jan Rychter <jan@rychter.com> + * + * You can redistribute and/or modify this program under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General + * Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/bitops.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/acpi.h> +#include <linux/device.h> +#include <linux/interrupt.h> +#include <linux/input.h> +#include <linux/delay.h> +#include <linux/dmi.h> + +#define MODULENAME "fujitsu-tablet" + +#define ACPI_FUJITSU_CLASS "fujitsu" + +#define INVERT_TABLET_MODE_BIT 0x01 +#define FORCE_TABLET_MODE_IF_UNDOCK 0x02 + +#define KEYMAP_LEN 16 + +static const struct acpi_device_id fujitsu_ids[] = { + { .id = "FUJ02BD" }, + { .id = "FUJ02BF" }, + { .id = "" } +}; + +struct fujitsu_config { + unsigned short keymap[KEYMAP_LEN]; + unsigned int quirks; +}; + +static unsigned short keymap_Lifebook_Tseries[KEYMAP_LEN] __initconst = { + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_SCROLLDOWN, + KEY_SCROLLUP, + KEY_DIRECTION, + KEY_LEFTCTRL, + KEY_BRIGHTNESSUP, + KEY_BRIGHTNESSDOWN, + KEY_BRIGHTNESS_ZERO, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_LEFTALT +}; + +static unsigned short keymap_Lifebook_U810[KEYMAP_LEN] __initconst = { + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_PROG1, + KEY_PROG2, + KEY_DIRECTION, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_UP, + KEY_DOWN, + KEY_RESERVED, + KEY_RESERVED, + KEY_LEFTCTRL, + KEY_LEFTALT +}; + +static unsigned short keymap_Stylistic_Tseries[KEYMAP_LEN] __initconst = { + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_PRINT, + KEY_BACKSPACE, + KEY_SPACE, + KEY_ENTER, + KEY_BRIGHTNESSUP, + KEY_BRIGHTNESSDOWN, + KEY_DOWN, + KEY_UP, + KEY_SCROLLUP, + KEY_SCROLLDOWN, + KEY_LEFTCTRL, + KEY_LEFTALT +}; + +static unsigned short keymap_Stylistic_ST5xxx[KEYMAP_LEN] __initconst = { + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_MAIL, + KEY_DIRECTION, + KEY_ESC, + KEY_ENTER, + KEY_BRIGHTNESSUP, + KEY_BRIGHTNESSDOWN, + KEY_DOWN, + KEY_UP, + KEY_SCROLLUP, + KEY_SCROLLDOWN, + KEY_LEFTCTRL, + KEY_LEFTALT +}; + +static struct { + struct input_dev *idev; + struct fujitsu_config config; + unsigned long prev_keymask; + + char phys[21]; + + int irq; + int io_base; + int io_length; +} fujitsu; + +static u8 fujitsu_ack(void) +{ + return inb(fujitsu.io_base + 2); +} + +static u8 fujitsu_status(void) +{ + return inb(fujitsu.io_base + 6); +} + +static u8 fujitsu_read_register(const u8 addr) +{ + outb(addr, fujitsu.io_base); + return inb(fujitsu.io_base + 4); +} + +static void fujitsu_send_state(void) +{ + int state; + int dock, tablet_mode; + + state = fujitsu_read_register(0xdd); + + dock = state & 0x02; + + if ((fujitsu.config.quirks & FORCE_TABLET_MODE_IF_UNDOCK) && (!dock)) { + tablet_mode = 1; + } else{ + tablet_mode = state & 0x01; + if (fujitsu.config.quirks & INVERT_TABLET_MODE_BIT) + tablet_mode = !tablet_mode; + } + + input_report_switch(fujitsu.idev, SW_DOCK, dock); + input_report_switch(fujitsu.idev, SW_TABLET_MODE, tablet_mode); + input_sync(fujitsu.idev); +} + +static void fujitsu_reset(void) +{ + int timeout = 50; + + fujitsu_ack(); + + while ((fujitsu_status() & 0x02) && (--timeout)) + msleep(20); + + fujitsu_send_state(); +} + +static int __devinit input_fujitsu_setup(struct device *parent, + const char *name, const char *phys) +{ + struct input_dev *idev; + int error; + int i; + + idev = input_allocate_device(); + if (!idev) + return -ENOMEM; + + idev->dev.parent = parent; + idev->phys = phys; + idev->name = name; + idev->id.bustype = BUS_HOST; + idev->id.vendor = 0x1734; /* Fujitsu Siemens Computer GmbH */ + idev->id.product = 0x0001; + idev->id.version = 0x0101; + + idev->keycode = fujitsu.config.keymap; + idev->keycodesize = sizeof(fujitsu.config.keymap[0]); + idev->keycodemax = ARRAY_SIZE(fujitsu.config.keymap); + + __set_bit(EV_REP, idev->evbit); + + for (i = 0; i < ARRAY_SIZE(fujitsu.config.keymap); i++) + if (fujitsu.config.keymap[i]) + input_set_capability(idev, EV_KEY, fujitsu.config.keymap[i]); + + input_set_capability(idev, EV_MSC, MSC_SCAN); + + input_set_capability(idev, EV_SW, SW_DOCK); + input_set_capability(idev, EV_SW, SW_TABLET_MODE); + + input_set_capability(idev, EV_SW, SW_DOCK); + input_set_capability(idev, EV_SW, SW_TABLET_MODE); + + error = input_register_device(idev); + if (error) { + input_free_device(idev); + return error; + } + + fujitsu.idev = idev; + return 0; +} + +static void input_fujitsu_remove(void) +{ + input_unregister_device(fujitsu.idev); +} + +static irqreturn_t fujitsu_interrupt(int irq, void *dev_id) +{ + unsigned long keymask, changed; + unsigned int keycode; + int pressed; + int i; + + if (unlikely(!(fujitsu_status() & 0x01))) + return IRQ_NONE; + + fujitsu_send_state(); + + keymask = fujitsu_read_register(0xde); + keymask |= fujitsu_read_register(0xdf) << 8; + keymask ^= 0xffff; + + changed = keymask ^ fujitsu.prev_keymask; + if (changed) { + fujitsu.prev_keymask = keymask; + + for_each_set_bit(i, &changed, KEYMAP_LEN) { + keycode = fujitsu.config.keymap[i]; + pressed = keymask & changed & BIT(i); + + if (pressed) + input_event(fujitsu.idev, EV_MSC, MSC_SCAN, i); + + input_report_key(fujitsu.idev, keycode, pressed); + input_sync(fujitsu.idev); + } + } + + fujitsu_ack(); + return IRQ_HANDLED; +} + +static int __devinit fujitsu_dmi_default(const struct dmi_system_id *dmi) +{ + printk(KERN_INFO MODULENAME ": %s\n", dmi->ident); + memcpy(fujitsu.config.keymap, dmi->driver_data, + sizeof(fujitsu.config.keymap)); + return 1; +} + +static int __devinit fujitsu_dmi_stylistic(const struct dmi_system_id *dmi) +{ + fujitsu_dmi_default(dmi); + fujitsu.config.quirks |= FORCE_TABLET_MODE_IF_UNDOCK; + fujitsu.config.quirks |= INVERT_TABLET_MODE_BIT; + return 1; +} + +static struct dmi_system_id dmi_ids[] __initconst = { + { + .callback = fujitsu_dmi_default, + .ident = "Fujitsu Siemens P/T Series", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK") + }, + .driver_data = keymap_Lifebook_Tseries + }, + { + .callback = fujitsu_dmi_default, + .ident = "Fujitsu Lifebook T Series", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook T") + }, + .driver_data = keymap_Lifebook_Tseries + }, + { + .callback = fujitsu_dmi_stylistic, + .ident = "Fujitsu Siemens Stylistic T Series", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "Stylistic T") + }, + .driver_data = keymap_Stylistic_Tseries + }, + { + .callback = fujitsu_dmi_default, + .ident = "Fujitsu LifeBook U810", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook U810") + }, + .driver_data = keymap_Lifebook_U810 + }, + { + .callback = fujitsu_dmi_stylistic, + .ident = "Fujitsu Siemens Stylistic ST5xxx Series", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "STYLISTIC ST5") + }, + .driver_data = keymap_Stylistic_ST5xxx + }, + { + .callback = fujitsu_dmi_stylistic, + .ident = "Fujitsu Siemens Stylistic ST5xxx Series", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "Stylistic ST5") + }, + .driver_data = keymap_Stylistic_ST5xxx + }, + { + .callback = fujitsu_dmi_default, + .ident = "Unknown (using defaults)", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, ""), + DMI_MATCH(DMI_PRODUCT_NAME, "") + }, + .driver_data = keymap_Lifebook_Tseries + }, + { NULL } +}; + +static acpi_status __devinit +fujitsu_walk_resources(struct acpi_resource *res, void *data) +{ + switch (res->type) { + case ACPI_RESOURCE_TYPE_IRQ: + fujitsu.irq = res->data.irq.interrupts[0]; + return AE_OK; + + case ACPI_RESOURCE_TYPE_IO: + fujitsu.io_base = res->data.io.minimum; + fujitsu.io_length = res->data.io.address_length; + return AE_OK; + + case ACPI_RESOURCE_TYPE_END_TAG: + if (fujitsu.irq && fujitsu.io_base) + return AE_OK; + else + return AE_NOT_FOUND; + + default: + return AE_ERROR; + } +} + +static int __devinit acpi_fujitsu_add(struct acpi_device *adev) +{ + acpi_status status; + int error; + + if (!adev) + return -EINVAL; + + status = acpi_walk_resources(adev->handle, METHOD_NAME__CRS, + fujitsu_walk_resources, NULL); + if (ACPI_FAILURE(status) || !fujitsu.irq || !fujitsu.io_base) + return -ENODEV; + + sprintf(acpi_device_name(adev), "Fujitsu %s", acpi_device_hid(adev)); + sprintf(acpi_device_class(adev), "%s", ACPI_FUJITSU_CLASS); + + snprintf(fujitsu.phys, sizeof(fujitsu.phys), + "%s/input0", acpi_device_hid(adev)); + + error = input_fujitsu_setup(&adev->dev, + acpi_device_name(adev), fujitsu.phys); + if (error) + return error; + + if (!request_region(fujitsu.io_base, fujitsu.io_length, MODULENAME)) { + input_fujitsu_remove(); + return -EBUSY; + } + + fujitsu_reset(); + + error = request_irq(fujitsu.irq, fujitsu_interrupt, + IRQF_SHARED, MODULENAME, fujitsu_interrupt); + if (error) { + release_region(fujitsu.io_base, fujitsu.io_length); + input_fujitsu_remove(); + return error; + } + + return 0; +} + +static int __devexit acpi_fujitsu_remove(struct acpi_device *adev, int type) +{ + free_irq(fujitsu.irq, fujitsu_interrupt); + release_region(fujitsu.io_base, fujitsu.io_length); + input_fujitsu_remove(); + return 0; +} + +static int acpi_fujitsu_resume(struct acpi_device *adev) +{ + fujitsu_reset(); + return 0; +} + +static struct acpi_driver acpi_fujitsu_driver = { + .name = MODULENAME, + .class = "hotkey", + .ids = fujitsu_ids, + .ops = { + .add = acpi_fujitsu_add, + .remove = acpi_fujitsu_remove, + .resume = acpi_fujitsu_resume, + } +}; + +static int __init fujitsu_module_init(void) +{ + int error; + + dmi_check_system(dmi_ids); + + error = acpi_bus_register_driver(&acpi_fujitsu_driver); + if (error) + return error; + + return 0; +} + +static void __exit fujitsu_module_exit(void) +{ + acpi_bus_unregister_driver(&acpi_fujitsu_driver); +} + +module_init(fujitsu_module_init); +module_exit(fujitsu_module_exit); + +MODULE_AUTHOR("Robert Gerlach <khnz@gmx.de>"); +MODULE_DESCRIPTION("Fujitsu tablet pc extras driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION("2.4"); + +MODULE_DEVICE_TABLE(acpi, fujitsu_ids); diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index 05be30ee158..ffff8b4b494 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -562,8 +562,8 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device) num_sifr = acpi_pcc_get_sqty(device); - if (num_sifr > 255) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr too large")); + if (num_sifr < 0 || num_sifr > 255) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr out of range")); return -ENODEV; } diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 3a8daf85874..459f66437fe 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -76,6 +76,20 @@ config BATTERY_DS2780 help Say Y here to enable support for batteries with ds2780 chip. +config BATTERY_DS2781 + tristate "2781 battery driver" + depends on HAS_IOMEM + select W1 + select W1_SLAVE_DS2781 + help + If you enable this you will have the DS2781 battery driver support. + + The battery monitor chip is used in many batteries/devices + as the one who is responsible for charging/discharging/monitoring + Li+ batteries. + + If you are unsure, say N. + config BATTERY_DS2782 tristate "DS2782/DS2786 standalone gas-gauge" depends on I2C diff --git a/drivers/power/Makefile b/drivers/power/Makefile index e429008eaf1..c590fa53340 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_TEST_POWER) += test_power.o obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o obj-$(CONFIG_BATTERY_DS2780) += ds2780_battery.o +obj-$(CONFIG_BATTERY_DS2781) += ds2781_battery.o obj-$(CONFIG_BATTERY_DS2782) += ds2782_battery.o obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o obj-$(CONFIG_BATTERY_OLPC) += olpc_battery.o diff --git a/drivers/power/ds2781_battery.c b/drivers/power/ds2781_battery.c new file mode 100644 index 00000000000..ca0d653d0a7 --- /dev/null +++ b/drivers/power/ds2781_battery.c @@ -0,0 +1,874 @@ +/* + * 1-wire client/driver for the Maxim/Dallas DS2781 Stand-Alone Fuel Gauge IC + * + * Author: Renata Sayakhova <renata@oktetlabs.ru> + * + * Based on ds2780_battery drivers + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/param.h> +#include <linux/pm.h> +#include <linux/platform_device.h> +#include <linux/power_supply.h> +#include <linux/idr.h> + +#include "../w1/w1.h" +#include "../w1/slaves/w1_ds2781.h" + +/* Current unit measurement in uA for a 1 milli-ohm sense resistor */ +#define DS2781_CURRENT_UNITS 1563 +/* Charge unit measurement in uAh for a 1 milli-ohm sense resistor */ +#define DS2781_CHARGE_UNITS 6250 +/* Number of bytes in user EEPROM space */ +#define DS2781_USER_EEPROM_SIZE (DS2781_EEPROM_BLOCK0_END - \ + DS2781_EEPROM_BLOCK0_START + 1) +/* Number of bytes in parameter EEPROM space */ +#define DS2781_PARAM_EEPROM_SIZE (DS2781_EEPROM_BLOCK1_END - \ + DS2781_EEPROM_BLOCK1_START + 1) + +struct ds2781_device_info { + struct device *dev; + struct power_supply bat; + struct device *w1_dev; + struct task_struct *mutex_holder; +}; + +enum current_types { + CURRENT_NOW, + CURRENT_AVG, +}; + +static const char model[] = "DS2781"; +static const char manufacturer[] = "Maxim/Dallas"; + +static inline struct ds2781_device_info * +to_ds2781_device_info(struct power_supply *psy) +{ + return container_of(psy, struct ds2781_device_info, bat); +} + +static inline struct power_supply *to_power_supply(struct device *dev) +{ + return dev_get_drvdata(dev); +} + +static inline int ds2781_battery_io(struct ds2781_device_info *dev_info, + char *buf, int addr, size_t count, int io) +{ + if (dev_info->mutex_holder == current) + return w1_ds2781_io_nolock(dev_info->w1_dev, buf, addr, + count, io); + else + return w1_ds2781_io(dev_info->w1_dev, buf, addr, count, io); +} + +int w1_ds2781_read(struct ds2781_device_info *dev_info, char *buf, + int addr, size_t count) +{ + return ds2781_battery_io(dev_info, buf, addr, count, 0); +} + +static inline int ds2781_read8(struct ds2781_device_info *dev_info, u8 *val, + int addr) +{ + return ds2781_battery_io(dev_info, val, addr, sizeof(u8), 0); +} + +static int ds2781_read16(struct ds2781_device_info *dev_info, s16 *val, + int addr) +{ + int ret; + u8 raw[2]; + + ret = ds2781_battery_io(dev_info, raw, addr, sizeof(raw), 0); + if (ret < 0) + return ret; + + *val = (raw[0] << 8) | raw[1]; + + return 0; +} + +static inline int ds2781_read_block(struct ds2781_device_info *dev_info, + u8 *val, int addr, size_t count) +{ + return ds2781_battery_io(dev_info, val, addr, count, 0); +} + +static inline int ds2781_write(struct ds2781_device_info *dev_info, u8 *val, + int addr, size_t count) +{ + return ds2781_battery_io(dev_info, val, addr, count, 1); +} + +static inline int ds2781_store_eeprom(struct device *dev, int addr) +{ + return w1_ds2781_eeprom_cmd(dev, addr, W1_DS2781_COPY_DATA); +} + +static inline int ds2781_recall_eeprom(struct device *dev, int addr) +{ + return w1_ds2781_eeprom_cmd(dev, addr, W1_DS2781_RECALL_DATA); +} + +static int ds2781_save_eeprom(struct ds2781_device_info *dev_info, int reg) +{ + int ret; + + ret = ds2781_store_eeprom(dev_info->w1_dev, reg); + if (ret < 0) + return ret; + + ret = ds2781_recall_eeprom(dev_info->w1_dev, reg); + if (ret < 0) + return ret; + + return 0; +} + +/* Set sense resistor value in mhos */ +static int ds2781_set_sense_register(struct ds2781_device_info *dev_info, + u8 conductance) +{ + int ret; + + ret = ds2781_write(dev_info, &conductance, + DS2781_RSNSP, sizeof(u8)); + if (ret < 0) + return ret; + + return ds2781_save_eeprom(dev_info, DS2781_RSNSP); +} + +/* Get RSGAIN value from 0 to 1.999 in steps of 0.001 */ +static int ds2781_get_rsgain_register(struct ds2781_device_info *dev_info, + u16 *rsgain) +{ + return ds2781_read16(dev_info, rsgain, DS2781_RSGAIN_MSB); +} + +/* Set RSGAIN value from 0 to 1.999 in steps of 0.001 */ +static int ds2781_set_rsgain_register(struct ds2781_device_info *dev_info, + u16 rsgain) +{ + int ret; + u8 raw[] = {rsgain >> 8, rsgain & 0xFF}; + + ret = ds2781_write(dev_info, raw, + DS2781_RSGAIN_MSB, sizeof(raw)); + if (ret < 0) + return ret; + + return ds2781_save_eeprom(dev_info, DS2781_RSGAIN_MSB); +} + +static int ds2781_get_voltage(struct ds2781_device_info *dev_info, + int *voltage_uV) +{ + int ret; + char val[2]; + int voltage_raw; + + ret = w1_ds2781_read(dev_info, val, DS2781_VOLT_MSB, 2 * sizeof(u8)); + if (ret < 0) + return ret; + /* + * The voltage value is located in 10 bits across the voltage MSB + * and LSB registers in two's compliment form + * Sign bit of the voltage value is in bit 7 of the voltage MSB register + * Bits 9 - 3 of the voltage value are in bits 6 - 0 of the + * voltage MSB register + * Bits 2 - 0 of the voltage value are in bits 7 - 5 of the + * voltage LSB register + */ + voltage_raw = (val[0] << 3) | + (val[1] >> 5); + + /* DS2781 reports voltage in units of 9.76mV, but the battery class + * reports in units of uV, so convert by multiplying by 9760. */ + *voltage_uV = voltage_raw * 9760; + + return 0; +} + +static int ds2781_get_temperature(struct ds2781_device_info *dev_info, + int *temp) +{ + int ret; + char val[2]; + int temp_raw; + + ret = w1_ds2781_read(dev_info, val, DS2781_TEMP_MSB, 2 * sizeof(u8)); + if (ret < 0) + return ret; + /* + * The temperature value is located in 10 bits across the temperature + * MSB and LSB registers in two's compliment form + * Sign bit of the temperature value is in bit 7 of the temperature + * MSB register + * Bits 9 - 3 of the temperature value are in bits 6 - 0 of the + * temperature MSB register + * Bits 2 - 0 of the temperature value are in bits 7 - 5 of the + * temperature LSB register + */ + temp_raw = ((val[0]) << 3) | + (val[1] >> 5); + *temp = temp_raw + (temp_raw / 4); + + return 0; +} + +static int ds2781_get_current(struct ds2781_device_info *dev_info, + enum current_types type, int *current_uA) +{ + int ret, sense_res; + s16 current_raw; + u8 sense_res_raw, reg_msb; + + /* + * The units of measurement for current are dependent on the value of + * the sense resistor. + */ + ret = ds2781_read8(dev_info, &sense_res_raw, DS2781_RSNSP); + if (ret < 0) + return ret; + + if (sense_res_raw == 0) { + dev_err(dev_info->dev, "sense resistor value is 0\n"); + return -EINVAL; + } + sense_res = 1000 / sense_res_raw; + + if (type == CURRENT_NOW) + reg_msb = DS2781_CURRENT_MSB; + else if (type == CURRENT_AVG) + reg_msb = DS2781_IAVG_MSB; + else + return -EINVAL; + + /* + * The current value is located in 16 bits across the current MSB + * and LSB registers in two's compliment form + * Sign bit of the current value is in bit 7 of the current MSB register + * Bits 14 - 8 of the current value are in bits 6 - 0 of the current + * MSB register + * Bits 7 - 0 of the current value are in bits 7 - 0 of the current + * LSB register + */ + ret = ds2781_read16(dev_info, ¤t_raw, reg_msb); + if (ret < 0) + return ret; + + *current_uA = current_raw * (DS2781_CURRENT_UNITS / sense_res); + return 0; +} + +static int ds2781_get_accumulated_current(struct ds2781_device_info *dev_info, + int *accumulated_current) +{ + int ret, sense_res; + s16 current_raw; + u8 sense_res_raw; + + /* + * The units of measurement for accumulated current are dependent on + * the value of the sense resistor. + */ + ret = ds2781_read8(dev_info, &sense_res_raw, DS2781_RSNSP); + if (ret < 0) + return ret; + + if (sense_res_raw == 0) { + dev_err(dev_info->dev, "sense resistor value is 0\n"); + return -EINVAL; + } + sense_res = 1000 / sense_res_raw; + + /* + * The ACR value is located in 16 bits across the ACR MSB and + * LSB registers + * Bits 15 - 8 of the ACR value are in bits 7 - 0 of the ACR + * MSB register + * Bits 7 - 0 of the ACR value are in bits 7 - 0 of the ACR + * LSB register + */ + ret = ds2781_read16(dev_info, ¤t_raw, DS2781_ACR_MSB); + if (ret < 0) + return ret; + + *accumulated_current = current_raw * (DS2781_CHARGE_UNITS / sense_res); + return 0; +} + +static int ds2781_get_capacity(struct ds2781_device_info *dev_info, + int *capacity) +{ + int ret; + u8 raw; + + ret = ds2781_read8(dev_info, &raw, DS2781_RARC); + if (ret < 0) + return ret; + + *capacity = raw; + return 0; +} + +static int ds2781_get_status(struct ds2781_device_info *dev_info, int *status) +{ + int ret, current_uA, capacity; + + ret = ds2781_get_current(dev_info, CURRENT_NOW, ¤t_uA); + if (ret < 0) + return ret; + + ret = ds2781_get_capacity(dev_info, &capacity); + if (ret < 0) + return ret; + + if (power_supply_am_i_supplied(&dev_info->bat)) { + if (capacity == 100) + *status = POWER_SUPPLY_STATUS_FULL; + else if (current_uA > 50000) + *status = POWER_SUPPLY_STATUS_CHARGING; + else + *status = POWER_SUPPLY_STATUS_NOT_CHARGING; + } else { + *status = POWER_SUPPLY_STATUS_DISCHARGING; + } + return 0; +} + +static int ds2781_get_charge_now(struct ds2781_device_info *dev_info, + int *charge_now) +{ + int ret; + u16 charge_raw; + + /* + * The RAAC value is located in 16 bits across the RAAC MSB and + * LSB registers + * Bits 15 - 8 of the RAAC value are in bits 7 - 0 of the RAAC + * MSB register + * Bits 7 - 0 of the RAAC value are in bits 7 - 0 of the RAAC + * LSB register + */ + ret = ds2781_read16(dev_info, &charge_raw, DS2781_RAAC_MSB); + if (ret < 0) + return ret; + + *charge_now = charge_raw * 1600; + return 0; +} + +static int ds2781_get_control_register(struct ds2781_device_info *dev_info, + u8 *control_reg) +{ + return ds2781_read8(dev_info, control_reg, DS2781_CONTROL); +} + +static int ds2781_set_control_register(struct ds2781_device_info *dev_info, + u8 control_reg) +{ + int ret; + + ret = ds2781_write(dev_info, &control_reg, + DS2781_CONTROL, sizeof(u8)); + if (ret < 0) + return ret; + + return ds2781_save_eeprom(dev_info, DS2781_CONTROL); +} + +static int ds2781_battery_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + int ret = 0; + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + + switch (psp) { + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + ret = ds2781_get_voltage(dev_info, &val->intval); + break; + + case POWER_SUPPLY_PROP_TEMP: + ret = ds2781_get_temperature(dev_info, &val->intval); + break; + + case POWER_SUPPLY_PROP_MODEL_NAME: + val->strval = model; + break; + + case POWER_SUPPLY_PROP_MANUFACTURER: + val->strval = manufacturer; + break; + + case POWER_SUPPLY_PROP_CURRENT_NOW: + ret = ds2781_get_current(dev_info, CURRENT_NOW, &val->intval); + break; + + case POWER_SUPPLY_PROP_CURRENT_AVG: + ret = ds2781_get_current(dev_info, CURRENT_AVG, &val->intval); + break; + + case POWER_SUPPLY_PROP_STATUS: + ret = ds2781_get_status(dev_info, &val->intval); + break; + + case POWER_SUPPLY_PROP_CAPACITY: + ret = ds2781_get_capacity(dev_info, &val->intval); + break; + + case POWER_SUPPLY_PROP_CHARGE_COUNTER: + ret = ds2781_get_accumulated_current(dev_info, &val->intval); + break; + + case POWER_SUPPLY_PROP_CHARGE_NOW: + ret = ds2781_get_charge_now(dev_info, &val->intval); + break; + + default: + ret = -EINVAL; + } + + return ret; +} + +static enum power_supply_property ds2781_battery_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_TEMP, + POWER_SUPPLY_PROP_MODEL_NAME, + POWER_SUPPLY_PROP_MANUFACTURER, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CURRENT_AVG, + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_CHARGE_COUNTER, + POWER_SUPPLY_PROP_CHARGE_NOW, +}; + +static ssize_t ds2781_get_pmod_enabled(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int ret; + u8 control_reg; + struct power_supply *psy = to_power_supply(dev); + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + + /* Get power mode */ + ret = ds2781_get_control_register(dev_info, &control_reg); + if (ret < 0) + return ret; + + return sprintf(buf, "%d\n", + !!(control_reg & DS2781_CONTROL_PMOD)); +} + +static ssize_t ds2781_set_pmod_enabled(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + int ret; + u8 control_reg, new_setting; + struct power_supply *psy = to_power_supply(dev); + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + + /* Set power mode */ + ret = ds2781_get_control_register(dev_info, &control_reg); + if (ret < 0) + return ret; + + ret = kstrtou8(buf, 0, &new_setting); + if (ret < 0) + return ret; + + if ((new_setting != 0) && (new_setting != 1)) { + dev_err(dev_info->dev, "Invalid pmod setting (0 or 1)\n"); + return -EINVAL; + } + + if (new_setting) + control_reg |= DS2781_CONTROL_PMOD; + else + control_reg &= ~DS2781_CONTROL_PMOD; + + ret = ds2781_set_control_register(dev_info, control_reg); + if (ret < 0) + return ret; + + return count; +} + +static ssize_t ds2781_get_sense_resistor_value(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int ret; + u8 sense_resistor; + struct power_supply *psy = to_power_supply(dev); + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + + ret = ds2781_read8(dev_info, &sense_resistor, DS2781_RSNSP); + if (ret < 0) + return ret; + + ret = sprintf(buf, "%d\n", sense_resistor); + return ret; +} + +static ssize_t ds2781_set_sense_resistor_value(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + int ret; + u8 new_setting; + struct power_supply *psy = to_power_supply(dev); + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + + ret = kstrtou8(buf, 0, &new_setting); + if (ret < 0) + return ret; + + ret = ds2781_set_sense_register(dev_info, new_setting); + if (ret < 0) + return ret; + + return count; +} + +static ssize_t ds2781_get_rsgain_setting(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int ret; + u16 rsgain; + struct power_supply *psy = to_power_supply(dev); + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + + ret = ds2781_get_rsgain_register(dev_info, &rsgain); + if (ret < 0) + return ret; + + return sprintf(buf, "%d\n", rsgain); +} + +static ssize_t ds2781_set_rsgain_setting(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + int ret; + u16 new_setting; + struct power_supply *psy = to_power_supply(dev); + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + + ret = kstrtou16(buf, 0, &new_setting); + if (ret < 0) + return ret; + + /* Gain can only be from 0 to 1.999 in steps of .001 */ + if (new_setting > 1999) { + dev_err(dev_info->dev, "Invalid rsgain setting (0 - 1999)\n"); + return -EINVAL; + } + + ret = ds2781_set_rsgain_register(dev_info, new_setting); + if (ret < 0) + return ret; + + return count; +} + +static ssize_t ds2781_get_pio_pin(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int ret; + u8 sfr; + struct power_supply *psy = to_power_supply(dev); + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + + ret = ds2781_read8(dev_info, &sfr, DS2781_SFR); + if (ret < 0) + return ret; + + ret = sprintf(buf, "%d\n", sfr & DS2781_SFR_PIOSC); + return ret; +} + +static ssize_t ds2781_set_pio_pin(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + int ret; + u8 new_setting; + struct power_supply *psy = to_power_supply(dev); + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + + ret = kstrtou8(buf, 0, &new_setting); + if (ret < 0) + return ret; + + if ((new_setting != 0) && (new_setting != 1)) { + dev_err(dev_info->dev, "Invalid pio_pin setting (0 or 1)\n"); + return -EINVAL; + } + + ret = ds2781_write(dev_info, &new_setting, + DS2781_SFR, sizeof(u8)); + if (ret < 0) + return ret; + + return count; +} + +static ssize_t ds2781_read_param_eeprom_bin(struct file *filp, + struct kobject *kobj, + struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct power_supply *psy = to_power_supply(dev); + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + + count = min_t(loff_t, count, + DS2781_EEPROM_BLOCK1_END - + DS2781_EEPROM_BLOCK1_START + 1 - off); + + return ds2781_read_block(dev_info, buf, + DS2781_EEPROM_BLOCK1_START + off, count); +} + +static ssize_t ds2781_write_param_eeprom_bin(struct file *filp, + struct kobject *kobj, + struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct power_supply *psy = to_power_supply(dev); + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + int ret; + + count = min_t(loff_t, count, + DS2781_EEPROM_BLOCK1_END - + DS2781_EEPROM_BLOCK1_START + 1 - off); + + ret = ds2781_write(dev_info, buf, + DS2781_EEPROM_BLOCK1_START + off, count); + if (ret < 0) + return ret; + + ret = ds2781_save_eeprom(dev_info, DS2781_EEPROM_BLOCK1_START); + if (ret < 0) + return ret; + + return count; +} + +static struct bin_attribute ds2781_param_eeprom_bin_attr = { + .attr = { + .name = "param_eeprom", + .mode = S_IRUGO | S_IWUSR, + }, + .size = DS2781_EEPROM_BLOCK1_END - DS2781_EEPROM_BLOCK1_START + 1, + .read = ds2781_read_param_eeprom_bin, + .write = ds2781_write_param_eeprom_bin, +}; + +static ssize_t ds2781_read_user_eeprom_bin(struct file *filp, + struct kobject *kobj, + struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct power_supply *psy = to_power_supply(dev); + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + + count = min_t(loff_t, count, + DS2781_EEPROM_BLOCK0_END - + DS2781_EEPROM_BLOCK0_START + 1 - off); + + return ds2781_read_block(dev_info, buf, + DS2781_EEPROM_BLOCK0_START + off, count); + +} + +static ssize_t ds2781_write_user_eeprom_bin(struct file *filp, + struct kobject *kobj, + struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct power_supply *psy = to_power_supply(dev); + struct ds2781_device_info *dev_info = to_ds2781_device_info(psy); + int ret; + + count = min_t(loff_t, count, + DS2781_EEPROM_BLOCK0_END - + DS2781_EEPROM_BLOCK0_START + 1 - off); + + ret = ds2781_write(dev_info, buf, + DS2781_EEPROM_BLOCK0_START + off, count); + if (ret < 0) + return ret; + + ret = ds2781_save_eeprom(dev_info, DS2781_EEPROM_BLOCK0_START); + if (ret < 0) + return ret; + + return count; +} + +static struct bin_attribute ds2781_user_eeprom_bin_attr = { + .attr = { + .name = "user_eeprom", + .mode = S_IRUGO | S_IWUSR, + }, + .size = DS2781_EEPROM_BLOCK0_END - DS2781_EEPROM_BLOCK0_START + 1, + .read = ds2781_read_user_eeprom_bin, + .write = ds2781_write_user_eeprom_bin, +}; + +static DEVICE_ATTR(pmod_enabled, S_IRUGO | S_IWUSR, ds2781_get_pmod_enabled, + ds2781_set_pmod_enabled); +static DEVICE_ATTR(sense_resistor_value, S_IRUGO | S_IWUSR, + ds2781_get_sense_resistor_value, ds2781_set_sense_resistor_value); +static DEVICE_ATTR(rsgain_setting, S_IRUGO | S_IWUSR, ds2781_get_rsgain_setting, + ds2781_set_rsgain_setting); +static DEVICE_ATTR(pio_pin, S_IRUGO | S_IWUSR, ds2781_get_pio_pin, + ds2781_set_pio_pin); + + +static struct attribute *ds2781_attributes[] = { + &dev_attr_pmod_enabled.attr, + &dev_attr_sense_resistor_value.attr, + &dev_attr_rsgain_setting.attr, + &dev_attr_pio_pin.attr, + NULL +}; + +static const struct attribute_group ds2781_attr_group = { + .attrs = ds2781_attributes, +}; + +static int __devinit ds2781_battery_probe(struct platform_device *pdev) +{ + int ret = 0; + struct ds2781_device_info *dev_info; + + dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL); + if (!dev_info) { + ret = -ENOMEM; + goto fail; + } + + platform_set_drvdata(pdev, dev_info); + + dev_info->dev = &pdev->dev; + dev_info->w1_dev = pdev->dev.parent; + dev_info->bat.name = dev_name(&pdev->dev); + dev_info->bat.type = POWER_SUPPLY_TYPE_BATTERY; + dev_info->bat.properties = ds2781_battery_props; + dev_info->bat.num_properties = ARRAY_SIZE(ds2781_battery_props); + dev_info->bat.get_property = ds2781_battery_get_property; + dev_info->mutex_holder = current; + + ret = power_supply_register(&pdev->dev, &dev_info->bat); + if (ret) { + dev_err(dev_info->dev, "failed to register battery\n"); + goto fail_free_info; + } + + ret = sysfs_create_group(&dev_info->bat.dev->kobj, &ds2781_attr_group); + if (ret) { + dev_err(dev_info->dev, "failed to create sysfs group\n"); + goto fail_unregister; + } + + ret = sysfs_create_bin_file(&dev_info->bat.dev->kobj, + &ds2781_param_eeprom_bin_attr); + if (ret) { + dev_err(dev_info->dev, + "failed to create param eeprom bin file"); + goto fail_remove_group; + } + + ret = sysfs_create_bin_file(&dev_info->bat.dev->kobj, + &ds2781_user_eeprom_bin_attr); + if (ret) { + dev_err(dev_info->dev, + "failed to create user eeprom bin file"); + goto fail_remove_bin_file; + } + + dev_info->mutex_holder = NULL; + + return 0; + +fail_remove_bin_file: + sysfs_remove_bin_file(&dev_info->bat.dev->kobj, + &ds2781_param_eeprom_bin_attr); +fail_remove_group: + sysfs_remove_group(&dev_info->bat.dev->kobj, &ds2781_attr_group); +fail_unregister: + power_supply_unregister(&dev_info->bat); +fail_free_info: + kfree(dev_info); +fail: + return ret; +} + +static int __devexit ds2781_battery_remove(struct platform_device *pdev) +{ + struct ds2781_device_info *dev_info = platform_get_drvdata(pdev); + + dev_info->mutex_holder = current; + + /* remove attributes */ + sysfs_remove_group(&dev_info->bat.dev->kobj, &ds2781_attr_group); + + power_supply_unregister(&dev_info->bat); + + kfree(dev_info); + return 0; +} + +static struct platform_driver ds2781_battery_driver = { + .driver = { + .name = "ds2781-battery", + }, + .probe = ds2781_battery_probe, + .remove = __devexit_p(ds2781_battery_remove), +}; + +static int __init ds2781_battery_init(void) +{ + return platform_driver_register(&ds2781_battery_driver); +} + +static void __exit ds2781_battery_exit(void) +{ + platform_driver_unregister(&ds2781_battery_driver); +} + +module_init(ds2781_battery_init); +module_exit(ds2781_battery_exit); + + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Renata Sayakhova <renata@oktetlabs.ru>"); +MODULE_DESCRIPTION("Maxim/Dallas DS2781 Stand-Alone Fuel Gauage IC driver"); +MODULE_ALIAS("platform:ds2781-battery"); + diff --git a/drivers/rapidio/devices/tsi721.h b/drivers/rapidio/devices/tsi721.h index 822e54c394d..1c226b31af1 100644 --- a/drivers/rapidio/devices/tsi721.h +++ b/drivers/rapidio/devices/tsi721.h @@ -118,34 +118,34 @@ #define TSI721_IDB_ENTRY_SIZE 64 -#define TSI721_IDQ_CTL(x) (0x20000 + (x) * 1000) +#define TSI721_IDQ_CTL(x) (0x20000 + (x) * 0x1000) #define TSI721_IDQ_SUSPEND 0x00000002 #define TSI721_IDQ_INIT 0x00000001 -#define TSI721_IDQ_STS(x) (0x20004 + (x) * 1000) +#define TSI721_IDQ_STS(x) (0x20004 + (x) * 0x1000) #define TSI721_IDQ_RUN 0x00200000 -#define TSI721_IDQ_MASK(x) (0x20008 + (x) * 1000) +#define TSI721_IDQ_MASK(x) (0x20008 + (x) * 0x1000) #define TSI721_IDQ_MASK_MASK 0xffff0000 #define TSI721_IDQ_MASK_PATT 0x0000ffff -#define TSI721_IDQ_RP(x) (0x2000c + (x) * 1000) +#define TSI721_IDQ_RP(x) (0x2000c + (x) * 0x1000) #define TSI721_IDQ_RP_PTR 0x0007ffff -#define TSI721_IDQ_WP(x) (0x20010 + (x) * 1000) +#define TSI721_IDQ_WP(x) (0x20010 + (x) * 0x1000) #define TSI721_IDQ_WP_PTR 0x0007ffff -#define TSI721_IDQ_BASEL(x) (0x20014 + (x) * 1000) +#define TSI721_IDQ_BASEL(x) (0x20014 + (x) * 0x1000) #define TSI721_IDQ_BASEL_ADDR 0xffffffc0 -#define TSI721_IDQ_BASEU(x) (0x20018 + (x) * 1000) -#define TSI721_IDQ_SIZE(x) (0x2001c + (x) * 1000) +#define TSI721_IDQ_BASEU(x) (0x20018 + (x) * 0x1000) +#define TSI721_IDQ_SIZE(x) (0x2001c + (x) * 0x1000) #define TSI721_IDQ_SIZE_VAL(size) (__fls(size) - 4) #define TSI721_IDQ_SIZE_MIN 512 #define TSI721_IDQ_SIZE_MAX (512 * 1024) -#define TSI721_SR_CHINT(x) (0x20040 + (x) * 1000) -#define TSI721_SR_CHINTE(x) (0x20044 + (x) * 1000) -#define TSI721_SR_CHINTSET(x) (0x20048 + (x) * 1000) +#define TSI721_SR_CHINT(x) (0x20040 + (x) * 0x1000) +#define TSI721_SR_CHINTE(x) (0x20044 + (x) * 0x1000) +#define TSI721_SR_CHINTSET(x) (0x20048 + (x) * 0x1000) #define TSI721_SR_CHINT_ODBOK 0x00000020 #define TSI721_SR_CHINT_IDBQRCV 0x00000010 #define TSI721_SR_CHINT_SUSP 0x00000008 @@ -156,7 +156,7 @@ #define TSI721_IBWIN_NUM 8 -#define TSI721_IBWINLB(x) (0x29000 + (x) * 20) +#define TSI721_IBWINLB(x) (0x29000 + (x) * 0x20) #define TSI721_IBWINLB_BA 0xfffff000 #define TSI721_IBWINLB_WEN 0x00000001 @@ -187,13 +187,13 @@ */ #define TSI721_OBWIN_NUM TSI721_PC2SR_WINS -#define TSI721_OBWINLB(x) (0x40000 + (x) * 20) +#define TSI721_OBWINLB(x) (0x40000 + (x) * 0x20) #define TSI721_OBWINLB_BA 0xffff8000 #define TSI721_OBWINLB_WEN 0x00000001 -#define TSI721_OBWINUB(x) (0x40004 + (x) * 20) +#define TSI721_OBWINUB(x) (0x40004 + (x) * 0x20) -#define TSI721_OBWINSZ(x) (0x40008 + (x) * 20) +#define TSI721_OBWINSZ(x) (0x40008 + (x) * 0x20) #define TSI721_OBWINSZ_SIZE 0x00001f00 #define TSI721_OBWIN_SIZE(size) (__fls(size) - 15) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index e9a83f84ada..fcde037b346 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1210,7 +1210,7 @@ static struct regulator *_regulator_get(struct device *dev, const char *id, { struct regulator_dev *rdev; struct regulator_map *map; - struct regulator *regulator = ERR_PTR(-ENODEV); + struct regulator *regulator = ERR_PTR(-EPROBE_DEFER); const char *devname = NULL; int ret; @@ -2834,7 +2834,7 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, if (!r) { dev_err(dev, "Failed to find supply %s\n", supply); - ret = -ENODEV; + ret = -EPROBE_DEFER; goto scrub; } diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c index ea4d8f575ac..09915e89705 100644 --- a/drivers/regulator/da9052-regulator.c +++ b/drivers/regulator/da9052-regulator.c @@ -226,7 +226,7 @@ static int da9052_regulator_set_voltage_int(struct regulator_dev *rdev, if (min_uV < info->min_uV) min_uV = info->min_uV; - *selector = (min_uV - info->min_uV) / info->step_uV; + *selector = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV); ret = da9052_list_voltage(rdev, *selector); if (ret < 0) @@ -318,10 +318,10 @@ static int da9052_set_buckperi_voltage(struct regulator_dev *rdev, int min_uV, if ((regulator->da9052->chip_id == DA9052) && (min_uV >= DA9052_CONST_3uV)) *selector = DA9052_BUCK_PERI_REG_MAP_UPTO_3uV + - ((min_uV - DA9052_CONST_3uV) / - (DA9052_BUCK_PERI_3uV_STEP)); + DIV_ROUND_UP(min_uV - DA9052_CONST_3uV, + DA9052_BUCK_PERI_3uV_STEP); else - *selector = (min_uV - info->min_uV) / info->step_uV; + *selector = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV); ret = da9052_list_buckperi_voltage(rdev, *selector); if (ret < 0) @@ -400,6 +400,7 @@ static struct regulator_ops da9052_ldo_ops = { .ops = &da9052_ldo5_6_ops,\ .type = REGULATOR_VOLTAGE,\ .id = _id,\ + .n_voltages = (max - min) / step + 1, \ .owner = THIS_MODULE,\ },\ .min_uV = (min) * 1000,\ @@ -417,6 +418,7 @@ static struct regulator_ops da9052_ldo_ops = { .ops = &da9052_ldo_ops,\ .type = REGULATOR_VOLTAGE,\ .id = _id,\ + .n_voltages = (max - min) / step + 1, \ .owner = THIS_MODULE,\ },\ .min_uV = (min) * 1000,\ @@ -434,6 +436,7 @@ static struct regulator_ops da9052_ldo_ops = { .ops = &da9052_dcdc_ops,\ .type = REGULATOR_VOLTAGE,\ .id = _id,\ + .n_voltages = (max - min) / step + 1, \ .owner = THIS_MODULE,\ },\ .min_uV = (min) * 1000,\ @@ -451,6 +454,7 @@ static struct regulator_ops da9052_ldo_ops = { .ops = &da9052_buckperi_ops,\ .type = REGULATOR_VOLTAGE,\ .id = _id,\ + .n_voltages = (max - min) / step + 1, \ .owner = THIS_MODULE,\ },\ .min_uV = (min) * 1000,\ diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c index 70b7b1f4f00..2e94686b6fe 100644 --- a/drivers/regulator/tps6524x-regulator.c +++ b/drivers/regulator/tps6524x-regulator.c @@ -481,7 +481,7 @@ static int set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV, if (i >= info->n_voltages) i = info->n_voltages - 1; - *selector = info->voltages[i]; + *selector = i; return write_field(hw, &info->voltage, i); } diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 8a1c031391d..dc87eda6581 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -73,6 +73,8 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm) err = -EINVAL; mutex_unlock(&rtc->ops_lock); + /* A timer might have just expired */ + schedule_work(&rtc->irqwork); return err; } EXPORT_SYMBOL_GPL(rtc_set_time); @@ -112,6 +114,8 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs) err = -EINVAL; mutex_unlock(&rtc->ops_lock); + /* A timer might have just expired */ + schedule_work(&rtc->irqwork); return err; } @@ -380,18 +384,27 @@ EXPORT_SYMBOL_GPL(rtc_set_alarm); int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) { int err; + struct rtc_time now; err = rtc_valid_tm(&alarm->time); if (err != 0) return err; + err = rtc_read_time(rtc, &now); + if (err) + return err; + err = mutex_lock_interruptible(&rtc->ops_lock); if (err) return err; rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time); rtc->aie_timer.period = ktime_set(0, 0); - if (alarm->enabled) { + + /* Alarm has to be enabled & in the futrure for us to enqueue it */ + if (alarm->enabled && (rtc_tm_to_ktime(now).tv64 < + rtc->aie_timer.node.expires.tv64)) { + rtc->aie_timer.enabled = 1; timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node); } @@ -763,6 +776,14 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer) return 0; } +static void rtc_alarm_disable(struct rtc_device *rtc) +{ + if (!rtc->ops || !rtc->ops->alarm_irq_enable) + return; + + rtc->ops->alarm_irq_enable(rtc->dev.parent, false); +} + /** * rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue * @rtc rtc device @@ -784,8 +805,10 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer) struct rtc_wkalrm alarm; int err; next = timerqueue_getnext(&rtc->timerqueue); - if (!next) + if (!next) { + rtc_alarm_disable(rtc); return; + } alarm.time = rtc_ktime_to_tm(next->expires); alarm.enabled = 1; err = __rtc_set_alarm(rtc, &alarm); @@ -847,7 +870,8 @@ again: err = __rtc_set_alarm(rtc, &alarm); if (err == -ETIME) goto again; - } + } else + rtc_alarm_disable(rtc); mutex_unlock(&rtc->ops_lock); } diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index e71a50d4b22..4f9f1dcc155 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -933,13 +933,9 @@ console_initcall(con3215_init); static int tty3215_open(struct tty_struct *tty, struct file * filp) { struct raw3215_info *raw; - int retval, line; + int retval; - line = tty->index; - if ((line < 0) || (line >= NR_3215)) - return -ENODEV; - - raw = raw3215[line]; + raw = raw3215[tty->index]; if (raw == NULL) return -ENODEV; @@ -1145,7 +1141,6 @@ static int __init tty3215_init(void) * proc_entry, set_termios, flush_buffer, set_ldisc, write_proc */ - driver->owner = THIS_MODULE; driver->driver_name = "tty3215"; driver->name = "ttyS"; driver->major = TTY_MAJOR; diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c index a879c139926..40a9d69c898 100644 --- a/drivers/s390/char/sclp_tty.c +++ b/drivers/s390/char/sclp_tty.c @@ -551,7 +551,6 @@ sclp_tty_init(void) return rc; } - driver->owner = THIS_MODULE; driver->driver_name = "sclp_line"; driver->name = "sclp_line"; driver->major = TTY_MAJOR; diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index 5d706e6c946..b635472ae66 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -685,7 +685,6 @@ static int __init sclp_vt220_tty_init(void) if (rc) goto out_driver; - driver->owner = THIS_MODULE; driver->driver_name = SCLP_VT220_DRIVER_NAME; driver->name = SCLP_VT220_DEVICE_NAME; driver->major = SCLP_VT220_MAJOR; diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c index 2db1482b406..b43445a55cb 100644 --- a/drivers/s390/char/tty3270.c +++ b/drivers/s390/char/tty3270.c @@ -1784,7 +1784,6 @@ static int __init tty3270_init(void) * Entries in tty3270_driver that are NOT initialized: * proc_entry, set_termios, flush_buffer, set_ldisc, write_proc */ - driver->owner = THIS_MODULE; driver->driver_name = "ttyTUB"; driver->name = "ttyTUB"; driver->major = IBM_TTY3270_MAJOR; diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index 4f1989d27b1..5f1dc6fb570 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -580,7 +580,6 @@ void ccwgroup_driver_unregister(struct ccwgroup_driver *cdriver) struct device *dev; /* We don't want ccwgroup devices to live longer than their driver. */ - get_driver(&cdriver->driver); while ((dev = driver_find_device(&cdriver->driver, NULL, NULL, __ccwgroup_match_all))) { struct ccwgroup_device *gdev = to_ccwgroupdev(dev); @@ -592,7 +591,6 @@ void ccwgroup_driver_unregister(struct ccwgroup_driver *cdriver) mutex_unlock(&gdev->reg_mutex); put_device(dev); } - put_driver(&cdriver->driver); driver_unregister(&cdriver->driver); } EXPORT_SYMBOL(ccwgroup_driver_unregister); diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 47269858ecb..02d01525946 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1676,15 +1676,9 @@ struct ccw_device *get_ccwdev_by_busid(struct ccw_driver *cdrv, const char *bus_id) { struct device *dev; - struct device_driver *drv; - drv = get_driver(&cdrv->driver); - if (!drv) - return NULL; - - dev = driver_find_device(drv, NULL, (void *)bus_id, + dev = driver_find_device(&cdrv->driver, NULL, (void *)bus_id, __ccwdev_check_busid); - put_driver(drv); return dev ? to_ccwdev(dev) : NULL; } diff --git a/drivers/s390/net/smsgiucv_app.c b/drivers/s390/net/smsgiucv_app.c index 4d2ea400042..32515a201bb 100644 --- a/drivers/s390/net/smsgiucv_app.c +++ b/drivers/s390/net/smsgiucv_app.c @@ -168,7 +168,7 @@ static int __init smsgiucv_app_init(void) rc = dev_set_name(smsg_app_dev, KMSG_COMPONENT); if (rc) { kfree(smsg_app_dev); - goto fail_put_driver; + goto fail; } smsg_app_dev->bus = &iucv_bus; smsg_app_dev->parent = iucv_root; @@ -177,7 +177,7 @@ static int __init smsgiucv_app_init(void) rc = device_register(smsg_app_dev); if (rc) { put_device(smsg_app_dev); - goto fail_put_driver; + goto fail; } /* convert sender to uppercase characters */ @@ -191,12 +191,11 @@ static int __init smsgiucv_app_init(void) rc = smsg_register_callback(SMSG_PREFIX, smsg_app_callback); if (rc) { device_unregister(smsg_app_dev); - goto fail_put_driver; + goto fail; } rc = 0; -fail_put_driver: - put_driver(smsgiucv_drv); +fail: return rc; } module_init(smsgiucv_app_init); diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 16570aa84aa..d3d18e89cb5 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -662,6 +662,13 @@ config VMWARE_PVSCSI To compile this driver as a module, choose M here: the module will be called vmw_pvscsi. +config HYPERV_STORAGE + tristate "Microsoft Hyper-V virtual storage driver" + depends on SCSI && HYPERV + default HYPERV + help + Select this option to enable the Hyper-V virtual storage driver. + config LIBFC tristate "LibFC module" select SCSI_FC_ATTRS diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 2b887498be5..e4c1a69f8fa 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -142,6 +142,7 @@ obj-$(CONFIG_SCSI_BNX2_ISCSI) += libiscsi.o bnx2i/ obj-$(CONFIG_BE2ISCSI) += libiscsi.o be2iscsi/ obj-$(CONFIG_SCSI_PMCRAID) += pmcraid.o obj-$(CONFIG_VMWARE_PVSCSI) += vmw_pvscsi.o +obj-$(CONFIG_HYPERV_STORAGE) += hv_storvsc.o obj-$(CONFIG_ARM) += arm/ @@ -170,6 +171,8 @@ scsi_mod-$(CONFIG_SCSI_PROC_FS) += scsi_proc.o scsi_mod-y += scsi_trace.o scsi_mod-$(CONFIG_PM) += scsi_pm.o +hv_storvsc-y := storvsc_drv.o + scsi_tgt-y += scsi_tgt_lib.o scsi_tgt_if.o sd_mod-objs := sd.o diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index eb853f71089..695ffc36e02 100644 --- a/drivers/staging/hv/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -42,56 +42,23 @@ #include <scsi/scsi_devinfo.h> #include <scsi/scsi_dbg.h> +/* + * All wire protocol details (storage protocol between the guest and the host) + * are consolidated here. + * + * Begin protocol definitions. + */ -#define STORVSC_MIN_BUF_NR 64 -#define STORVSC_RING_BUFFER_SIZE (20*PAGE_SIZE) -static int storvsc_ringbuffer_size = STORVSC_RING_BUFFER_SIZE; - -module_param(storvsc_ringbuffer_size, int, S_IRUGO); -MODULE_PARM_DESC(storvsc_ringbuffer_size, "Ring buffer size (bytes)"); - -/* to alert the user that structure sizes may be mismatched even though the */ -/* protocol versions match. */ - - -#define REVISION_STRING(REVISION_) #REVISION_ -#define FILL_VMSTOR_REVISION(RESULT_LVALUE_) \ - do { \ - char *revision_string \ - = REVISION_STRING($Rev : 6 $) + 6; \ - RESULT_LVALUE_ = 0; \ - while (*revision_string >= '0' \ - && *revision_string <= '9') { \ - RESULT_LVALUE_ *= 10; \ - RESULT_LVALUE_ += *revision_string - '0'; \ - revision_string++; \ - } \ - } while (0) - -/* Major/minor macros. Minor version is in LSB, meaning that earlier flat */ -/* version numbers will be interpreted as "0.x" (i.e., 1 becomes 0.1). */ -#define VMSTOR_PROTOCOL_MAJOR(VERSION_) (((VERSION_) >> 8) & 0xff) -#define VMSTOR_PROTOCOL_MINOR(VERSION_) (((VERSION_)) & 0xff) -#define VMSTOR_PROTOCOL_VERSION(MAJOR_, MINOR_) ((((MAJOR_) & 0xff) << 8) | \ - (((MINOR_) & 0xff))) -#define VMSTOR_INVALID_PROTOCOL_VERSION (-1) - -/* Version history: */ -/* V1 Beta 0.1 */ -/* V1 RC < 2008/1/31 1.0 */ -/* V1 RC > 2008/1/31 2.0 */ -#define VMSTOR_PROTOCOL_VERSION_CURRENT VMSTOR_PROTOCOL_VERSION(4, 2) - - - +/* + * Version history: + * V1 Beta: 0.1 + * V1 RC < 2008/1/31: 1.0 + * V1 RC > 2008/1/31: 2.0 + * Win7: 4.2 + */ -/* This will get replaced with the max transfer length that is possible on */ -/* the host adapter. */ -/* The max transfer length will be published when we offer a vmbus channel. */ -#define MAX_TRANSFER_LENGTH 0x40000 -#define DEFAULT_PACKET_SIZE (sizeof(struct vmdata_gpa_direct) + \ - sizeof(struct vstor_packet) + \ - sizesizeof(u64) * (MAX_TRANSFER_LENGTH / PAGE_SIZE))) +#define VMSTOR_CURRENT_MAJOR 4 +#define VMSTOR_CURRENT_MINOR 2 /* Packet structure describing virtual storage requests. */ @@ -115,35 +82,31 @@ enum vstor_packet_operation { * this remains the same across the write regardless of 32/64 bit * note: it's patterned off the SCSI_PASS_THROUGH structure */ -#define CDB16GENERIC_LENGTH 0x10 - -#ifndef SENSE_BUFFER_SIZE -#define SENSE_BUFFER_SIZE 0x12 -#endif - -#define MAX_DATA_BUF_LEN_WITH_PADDING 0x14 +#define STORVSC_MAX_CMD_LEN 0x10 +#define STORVSC_SENSE_BUFFER_SIZE 0x12 +#define STORVSC_MAX_BUF_LEN_WITH_PADDING 0x14 struct vmscsi_request { - unsigned short length; - unsigned char srb_status; - unsigned char scsi_status; + u16 length; + u8 srb_status; + u8 scsi_status; - unsigned char port_number; - unsigned char path_id; - unsigned char target_id; - unsigned char lun; + u8 port_number; + u8 path_id; + u8 target_id; + u8 lun; - unsigned char cdb_length; - unsigned char sense_info_length; - unsigned char data_in; - unsigned char reserved; + u8 cdb_length; + u8 sense_info_length; + u8 data_in; + u8 reserved; - unsigned int data_transfer_length; + u32 data_transfer_length; union { - unsigned char cdb[CDB16GENERIC_LENGTH]; - unsigned char sense_data[SENSE_BUFFER_SIZE]; - unsigned char reserved_array[MAX_DATA_BUF_LEN_WITH_PADDING]; + u8 cdb[STORVSC_MAX_CMD_LEN]; + u8 sense_data[STORVSC_SENSE_BUFFER_SIZE]; + u8 reserved_array[STORVSC_MAX_BUF_LEN_WITH_PADDING]; }; } __attribute((packed)); @@ -153,32 +116,36 @@ struct vmscsi_request { * properties of the channel. */ struct vmstorage_channel_properties { - unsigned short protocol_version; - unsigned char path_id; - unsigned char target_id; + u16 protocol_version; + u8 path_id; + u8 target_id; /* Note: port number is only really known on the client side */ - unsigned int port_number; - unsigned int flags; - unsigned int max_transfer_bytes; + u32 port_number; + u32 flags; + u32 max_transfer_bytes; - /* This id is unique for each channel and will correspond with */ - /* vendor specific data in the inquirydata */ - unsigned long long unique_id; + /* + * This id is unique for each channel and will correspond with + * vendor specific data in the inquiry data. + */ + + u64 unique_id; } __packed; /* This structure is sent during the storage protocol negotiations. */ struct vmstorage_protocol_version { /* Major (MSW) and minor (LSW) version numbers. */ - unsigned short major_minor; + u16 major_minor; /* * Revision number is auto-incremented whenever this file is changed * (See FILL_VMSTOR_REVISION macro above). Mismatch does not * definitely indicate incompatibility--but it does indicate mismatched * builds. + * This is only used on the windows side. Just set it to 0. */ - unsigned short revision; + u16 revision; } __packed; /* Channel Property Flags */ @@ -190,10 +157,10 @@ struct vstor_packet { enum vstor_packet_operation operation; /* Flags - see below for values */ - unsigned int flags; + u32 flags; /* Status of the request returned from the server side. */ - unsigned int status; + u32 status; /* Data payload area */ union { @@ -211,18 +178,47 @@ struct vstor_packet { }; } __packed; -/* Packet flags */ /* + * Packet Flags: + * * This flag indicates that the server should send back a completion for this * packet. */ + #define REQUEST_COMPLETION_FLAG 0x1 -/* This is the set of flags that the vsc can set in any packets it sends */ -#define VSC_LEGAL_FLAGS (REQUEST_COMPLETION_FLAG) +/* Matches Windows-end */ +enum storvsc_request_type { + WRITE_TYPE = 0, + READ_TYPE, + UNKNOWN_TYPE, +}; +/* + * SRB status codes and masks; a subset of the codes used here. + */ -/* Defines */ +#define SRB_STATUS_AUTOSENSE_VALID 0x80 +#define SRB_STATUS_INVALID_LUN 0x20 +#define SRB_STATUS_SUCCESS 0x01 +#define SRB_STATUS_ERROR 0x04 + +/* + * This is the end of Protocol specific defines. + */ + + +/* + * We setup a mempool to allocate request structures for this driver + * on a per-lun basis. The following define specifies the number of + * elements in the pool. + */ + +#define STORVSC_MIN_BUF_NR 64 +static int storvsc_ringbuffer_size = (20 * PAGE_SIZE); + +module_param(storvsc_ringbuffer_size, int, S_IRUGO); +MODULE_PARM_DESC(storvsc_ringbuffer_size, "Ring buffer size (bytes)"); #define STORVSC_MAX_IO_REQUESTS 128 @@ -235,27 +231,23 @@ struct vstor_packet { #define STORVSC_MAX_LUNS_PER_TARGET 64 #define STORVSC_MAX_TARGETS 1 #define STORVSC_MAX_CHANNELS 1 -#define STORVSC_MAX_CMD_LEN 16 -/* Matches Windows-end */ -enum storvsc_request_type { - WRITE_TYPE, - READ_TYPE, - UNKNOWN_TYPE, -}; -struct hv_storvsc_request { +struct storvsc_cmd_request { + struct list_head entry; + struct scsi_cmnd *cmd; + + unsigned int bounce_sgl_count; + struct scatterlist *bounce_sgl; + struct hv_device *device; /* Synchronize the request/response if needed */ struct completion wait_event; unsigned char *sense_buffer; - void *context; - void (*on_io_completion)(struct hv_storvsc_request *request); struct hv_multipage_buffer data_buffer; - struct vstor_packet vstor_packet; }; @@ -281,8 +273,8 @@ struct storvsc_device { unsigned char target_id; /* Used for vsc/vsp channel reset process */ - struct hv_storvsc_request init_request; - struct hv_storvsc_request reset_request; + struct storvsc_cmd_request init_request; + struct storvsc_cmd_request reset_request; }; struct stor_mem_pools { @@ -297,16 +289,6 @@ struct hv_host_device { unsigned char target; }; -struct storvsc_cmd_request { - struct list_head entry; - struct scsi_cmnd *cmd; - - unsigned int bounce_sgl_count; - struct scatterlist *bounce_sgl; - - struct hv_storvsc_request request; -}; - struct storvsc_scan_work { struct work_struct work; struct Scsi_Host *host; @@ -352,6 +334,34 @@ done: kfree(wrk); } +/* + * Major/minor macros. Minor version is in LSB, meaning that earlier flat + * version numbers will be interpreted as "0.x" (i.e., 1 becomes 0.1). + */ + +static inline u16 storvsc_get_version(u8 major, u8 minor) +{ + u16 version; + + version = ((major << 8) | minor); + return version; +} + +/* + * We can get incoming messages from the host that are not in response to + * messages that we have sent out. An example of this would be messages + * received by the guest to notify dynamic addition/removal of LUNs. To + * deal with potential race conditions where the driver may be in the + * midst of being unloaded when we might receive an unsolicited message + * from the host, we have implemented a mechanism to gurantee sequential + * consistency: + * + * 1) Once the device is marked as being destroyed, we will fail all + * outgoing messages. + * 2) We permit incoming messages when the device is being destroyed, + * only to properly account for messages already sent out. + */ + static inline struct storvsc_device *get_out_stor_device( struct hv_device *device) { @@ -398,10 +408,231 @@ get_in_err: } +static void destroy_bounce_buffer(struct scatterlist *sgl, + unsigned int sg_count) +{ + int i; + struct page *page_buf; + + for (i = 0; i < sg_count; i++) { + page_buf = sg_page((&sgl[i])); + if (page_buf != NULL) + __free_page(page_buf); + } + + kfree(sgl); +} + +static int do_bounce_buffer(struct scatterlist *sgl, unsigned int sg_count) +{ + int i; + + /* No need to check */ + if (sg_count < 2) + return -1; + + /* We have at least 2 sg entries */ + for (i = 0; i < sg_count; i++) { + if (i == 0) { + /* make sure 1st one does not have hole */ + if (sgl[i].offset + sgl[i].length != PAGE_SIZE) + return i; + } else if (i == sg_count - 1) { + /* make sure last one does not have hole */ + if (sgl[i].offset != 0) + return i; + } else { + /* make sure no hole in the middle */ + if (sgl[i].length != PAGE_SIZE || sgl[i].offset != 0) + return i; + } + } + return -1; +} + +static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl, + unsigned int sg_count, + unsigned int len, + int write) +{ + int i; + int num_pages; + struct scatterlist *bounce_sgl; + struct page *page_buf; + unsigned int buf_len = ((write == WRITE_TYPE) ? 0 : PAGE_SIZE); + + num_pages = ALIGN(len, PAGE_SIZE) >> PAGE_SHIFT; + + bounce_sgl = kcalloc(num_pages, sizeof(struct scatterlist), GFP_ATOMIC); + if (!bounce_sgl) + return NULL; + + for (i = 0; i < num_pages; i++) { + page_buf = alloc_page(GFP_ATOMIC); + if (!page_buf) + goto cleanup; + sg_set_page(&bounce_sgl[i], page_buf, buf_len, 0); + } + + return bounce_sgl; + +cleanup: + destroy_bounce_buffer(bounce_sgl, num_pages); + return NULL; +} + +/* Assume the original sgl has enough room */ +static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl, + struct scatterlist *bounce_sgl, + unsigned int orig_sgl_count, + unsigned int bounce_sgl_count) +{ + int i; + int j = 0; + unsigned long src, dest; + unsigned int srclen, destlen, copylen; + unsigned int total_copied = 0; + unsigned long bounce_addr = 0; + unsigned long dest_addr = 0; + unsigned long flags; + + local_irq_save(flags); + + for (i = 0; i < orig_sgl_count; i++) { + dest_addr = (unsigned long)kmap_atomic(sg_page((&orig_sgl[i])), + KM_IRQ0) + orig_sgl[i].offset; + dest = dest_addr; + destlen = orig_sgl[i].length; + + if (bounce_addr == 0) + bounce_addr = + (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), + KM_IRQ0); + + while (destlen) { + src = bounce_addr + bounce_sgl[j].offset; + srclen = bounce_sgl[j].length - bounce_sgl[j].offset; + + copylen = min(srclen, destlen); + memcpy((void *)dest, (void *)src, copylen); + + total_copied += copylen; + bounce_sgl[j].offset += copylen; + destlen -= copylen; + dest += copylen; + + if (bounce_sgl[j].offset == bounce_sgl[j].length) { + /* full */ + kunmap_atomic((void *)bounce_addr, KM_IRQ0); + j++; + + /* + * It is possible that the number of elements + * in the bounce buffer may not be equal to + * the number of elements in the original + * scatter list. Handle this correctly. + */ + + if (j == bounce_sgl_count) { + /* + * We are done; cleanup and return. + */ + kunmap_atomic((void *)(dest_addr - + orig_sgl[i].offset), + KM_IRQ0); + local_irq_restore(flags); + return total_copied; + } + + /* if we need to use another bounce buffer */ + if (destlen || i != orig_sgl_count - 1) + bounce_addr = + (unsigned long)kmap_atomic( + sg_page((&bounce_sgl[j])), KM_IRQ0); + } else if (destlen == 0 && i == orig_sgl_count - 1) { + /* unmap the last bounce that is < PAGE_SIZE */ + kunmap_atomic((void *)bounce_addr, KM_IRQ0); + } + } + + kunmap_atomic((void *)(dest_addr - orig_sgl[i].offset), + KM_IRQ0); + } + + local_irq_restore(flags); + + return total_copied; +} + +/* Assume the bounce_sgl has enough room ie using the create_bounce_buffer() */ +static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl, + struct scatterlist *bounce_sgl, + unsigned int orig_sgl_count) +{ + int i; + int j = 0; + unsigned long src, dest; + unsigned int srclen, destlen, copylen; + unsigned int total_copied = 0; + unsigned long bounce_addr = 0; + unsigned long src_addr = 0; + unsigned long flags; + + local_irq_save(flags); + + for (i = 0; i < orig_sgl_count; i++) { + src_addr = (unsigned long)kmap_atomic(sg_page((&orig_sgl[i])), + KM_IRQ0) + orig_sgl[i].offset; + src = src_addr; + srclen = orig_sgl[i].length; + + if (bounce_addr == 0) + bounce_addr = + (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), + KM_IRQ0); + + while (srclen) { + /* assume bounce offset always == 0 */ + dest = bounce_addr + bounce_sgl[j].length; + destlen = PAGE_SIZE - bounce_sgl[j].length; + + copylen = min(srclen, destlen); + memcpy((void *)dest, (void *)src, copylen); + + total_copied += copylen; + bounce_sgl[j].length += copylen; + srclen -= copylen; + src += copylen; + + if (bounce_sgl[j].length == PAGE_SIZE) { + /* full..move to next entry */ + kunmap_atomic((void *)bounce_addr, KM_IRQ0); + j++; + + /* if we need to use another bounce buffer */ + if (srclen || i != orig_sgl_count - 1) + bounce_addr = + (unsigned long)kmap_atomic( + sg_page((&bounce_sgl[j])), KM_IRQ0); + + } else if (srclen == 0 && i == orig_sgl_count - 1) { + /* unmap the last bounce that is < PAGE_SIZE */ + kunmap_atomic((void *)bounce_addr, KM_IRQ0); + } + } + + kunmap_atomic((void *)(src_addr - orig_sgl[i].offset), KM_IRQ0); + } + + local_irq_restore(flags); + + return total_copied; +} + static int storvsc_channel_init(struct hv_device *device) { struct storvsc_device *stor_device; - struct hv_storvsc_request *request; + struct storvsc_cmd_request *request; struct vstor_packet *vstor_packet; int ret, t; @@ -416,7 +647,7 @@ static int storvsc_channel_init(struct hv_device *device) * Now, initiate the vsc/vsp initialization protocol on the open * channel */ - memset(request, 0, sizeof(struct hv_storvsc_request)); + memset(request, 0, sizeof(struct storvsc_cmd_request)); init_completion(&request->wait_event); vstor_packet->operation = VSTOR_OPERATION_BEGIN_INITIALIZATION; vstor_packet->flags = REQUEST_COMPLETION_FLAG; @@ -445,8 +676,13 @@ static int storvsc_channel_init(struct hv_device *device) vstor_packet->operation = VSTOR_OPERATION_QUERY_PROTOCOL_VERSION; vstor_packet->flags = REQUEST_COMPLETION_FLAG; - vstor_packet->version.major_minor = VMSTOR_PROTOCOL_VERSION_CURRENT; - FILL_VMSTOR_REVISION(vstor_packet->version.revision); + vstor_packet->version.major_minor = + storvsc_get_version(VMSTOR_CURRENT_MAJOR, VMSTOR_CURRENT_MINOR); + + /* + * The revision number is only used in Windows; set it to 0. + */ + vstor_packet->version.revision = 0; ret = vmbus_sendpacket(device->channel, vstor_packet, sizeof(struct vstor_packet), @@ -524,9 +760,84 @@ cleanup: return ret; } + +static void storvsc_command_completion(struct storvsc_cmd_request *cmd_request) +{ + struct scsi_cmnd *scmnd = cmd_request->cmd; + struct hv_host_device *host_dev = shost_priv(scmnd->device->host); + void (*scsi_done_fn)(struct scsi_cmnd *); + struct scsi_sense_hdr sense_hdr; + struct vmscsi_request *vm_srb; + struct storvsc_scan_work *wrk; + struct stor_mem_pools *memp = scmnd->device->hostdata; + + vm_srb = &cmd_request->vstor_packet.vm_srb; + if (cmd_request->bounce_sgl_count) { + if (vm_srb->data_in == READ_TYPE) + copy_from_bounce_buffer(scsi_sglist(scmnd), + cmd_request->bounce_sgl, + scsi_sg_count(scmnd), + cmd_request->bounce_sgl_count); + destroy_bounce_buffer(cmd_request->bounce_sgl, + cmd_request->bounce_sgl_count); + } + + /* + * If there is an error; offline the device since all + * error recovery strategies would have already been + * deployed on the host side. + */ + if (vm_srb->srb_status == SRB_STATUS_ERROR) + scmnd->result = DID_TARGET_FAILURE << 16; + else + scmnd->result = vm_srb->scsi_status; + + /* + * If the LUN is invalid; remove the device. + */ + if (vm_srb->srb_status == SRB_STATUS_INVALID_LUN) { + struct storvsc_device *stor_dev; + struct hv_device *dev = host_dev->dev; + struct Scsi_Host *host; + + stor_dev = get_in_stor_device(dev); + host = stor_dev->host; + + wrk = kmalloc(sizeof(struct storvsc_scan_work), + GFP_ATOMIC); + if (!wrk) { + scmnd->result = DID_TARGET_FAILURE << 16; + } else { + wrk->host = host; + wrk->lun = vm_srb->lun; + INIT_WORK(&wrk->work, storvsc_remove_lun); + schedule_work(&wrk->work); + } + } + + if (scmnd->result) { + if (scsi_normalize_sense(scmnd->sense_buffer, + SCSI_SENSE_BUFFERSIZE, &sense_hdr)) + scsi_print_sense_hdr("storvsc", &sense_hdr); + } + + scsi_set_resid(scmnd, + cmd_request->data_buffer.len - + vm_srb->data_transfer_length); + + scsi_done_fn = scmnd->scsi_done; + + scmnd->host_scribble = NULL; + scmnd->scsi_done = NULL; + + scsi_done_fn(scmnd); + + mempool_free(cmd_request, memp->request_mempool); +} + static void storvsc_on_io_completion(struct hv_device *device, struct vstor_packet *vstor_packet, - struct hv_storvsc_request *request) + struct storvsc_cmd_request *request) { struct storvsc_device *stor_device; struct vstor_packet *stor_pkt; @@ -546,9 +857,9 @@ static void storvsc_on_io_completion(struct hv_device *device, */ if ((stor_pkt->vm_srb.cdb[0] == INQUIRY) || - (stor_pkt->vm_srb.cdb[0] == MODE_SENSE)) { + (stor_pkt->vm_srb.cdb[0] == MODE_SENSE)) { vstor_packet->vm_srb.scsi_status = 0; - vstor_packet->vm_srb.srb_status = 0x1; + vstor_packet->vm_srb.srb_status = SRB_STATUS_SUCCESS; } @@ -559,7 +870,7 @@ static void storvsc_on_io_completion(struct hv_device *device, vstor_packet->vm_srb.sense_info_length; if (vstor_packet->vm_srb.scsi_status != 0 || - vstor_packet->vm_srb.srb_status != 1){ + vstor_packet->vm_srb.srb_status != SRB_STATUS_SUCCESS){ dev_warn(&device->device, "cmd 0x%x scsi status 0x%x srb status 0x%x\n", stor_pkt->vm_srb.cdb[0], @@ -569,7 +880,8 @@ static void storvsc_on_io_completion(struct hv_device *device, if ((vstor_packet->vm_srb.scsi_status & 0xFF) == 0x02) { /* CHECK_CONDITION */ - if (vstor_packet->vm_srb.srb_status & 0x80) { + if (vstor_packet->vm_srb.srb_status & + SRB_STATUS_AUTOSENSE_VALID) { /* autosense data available */ dev_warn(&device->device, "stor pkt %p autosense data valid - len %d\n", @@ -586,7 +898,7 @@ static void storvsc_on_io_completion(struct hv_device *device, stor_pkt->vm_srb.data_transfer_length = vstor_packet->vm_srb.data_transfer_length; - request->on_io_completion(request); + storvsc_command_completion(request); if (atomic_dec_and_test(&stor_device->num_outstanding_req) && stor_device->drain_notify) @@ -597,7 +909,7 @@ static void storvsc_on_io_completion(struct hv_device *device, static void storvsc_on_receive(struct hv_device *device, struct vstor_packet *vstor_packet, - struct hv_storvsc_request *request) + struct storvsc_cmd_request *request) { struct storvsc_scan_work *work; struct storvsc_device *stor_device; @@ -631,7 +943,7 @@ static void storvsc_on_channel_callback(void *context) u32 bytes_recvd; u64 request_id; unsigned char packet[ALIGN(sizeof(struct vstor_packet), 8)]; - struct hv_storvsc_request *request; + struct storvsc_cmd_request *request; int ret; @@ -645,7 +957,7 @@ static void storvsc_on_channel_callback(void *context) &bytes_recvd, &request_id); if (ret == 0 && bytes_recvd > 0) { - request = (struct hv_storvsc_request *) + request = (struct storvsc_cmd_request *) (unsigned long)request_id; if ((request == &stor_device->init_request) || @@ -674,7 +986,6 @@ static int storvsc_connect_to_vsp(struct hv_device *device, u32 ring_size) memset(&props, 0, sizeof(struct vmstorage_channel_properties)); - /* Open the channel */ ret = vmbus_open(device->channel, ring_size, ring_size, @@ -728,7 +1039,7 @@ static int storvsc_dev_remove(struct hv_device *device) } static int storvsc_do_io(struct hv_device *device, - struct hv_storvsc_request *request) + struct storvsc_cmd_request *request) { struct storvsc_device *stor_device; struct vstor_packet *vstor_packet; @@ -749,7 +1060,7 @@ static int storvsc_do_io(struct hv_device *device, vstor_packet->vm_srb.length = sizeof(struct vmscsi_request); - vstor_packet->vm_srb.sense_info_length = SENSE_BUFFER_SIZE; + vstor_packet->vm_srb.sense_info_length = STORVSC_SENSE_BUFFER_SIZE; vstor_packet->vm_srb.data_transfer_length = @@ -779,18 +1090,6 @@ static int storvsc_do_io(struct hv_device *device, return ret; } -static void storvsc_get_ide_info(struct hv_device *dev, int *target, int *path) -{ - *target = - dev->dev_instance.b[5] << 8 | dev->dev_instance.b[4]; - - *path = - dev->dev_instance.b[3] << 24 | - dev->dev_instance.b[2] << 16 | - dev->dev_instance.b[1] << 8 | dev->dev_instance.b[0]; -} - - static int storvsc_device_alloc(struct scsi_device *sdevice) { struct stor_mem_pools *memp; @@ -849,245 +1148,6 @@ static int storvsc_device_configure(struct scsi_device *sdevice) return 0; } -static void destroy_bounce_buffer(struct scatterlist *sgl, - unsigned int sg_count) -{ - int i; - struct page *page_buf; - - for (i = 0; i < sg_count; i++) { - page_buf = sg_page((&sgl[i])); - if (page_buf != NULL) - __free_page(page_buf); - } - - kfree(sgl); -} - -static int do_bounce_buffer(struct scatterlist *sgl, unsigned int sg_count) -{ - int i; - - /* No need to check */ - if (sg_count < 2) - return -1; - - /* We have at least 2 sg entries */ - for (i = 0; i < sg_count; i++) { - if (i == 0) { - /* make sure 1st one does not have hole */ - if (sgl[i].offset + sgl[i].length != PAGE_SIZE) - return i; - } else if (i == sg_count - 1) { - /* make sure last one does not have hole */ - if (sgl[i].offset != 0) - return i; - } else { - /* make sure no hole in the middle */ - if (sgl[i].length != PAGE_SIZE || sgl[i].offset != 0) - return i; - } - } - return -1; -} - -static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl, - unsigned int sg_count, - unsigned int len, - int write) -{ - int i; - int num_pages; - struct scatterlist *bounce_sgl; - struct page *page_buf; - unsigned int buf_len = ((write == WRITE_TYPE) ? 0 : PAGE_SIZE); - - num_pages = ALIGN(len, PAGE_SIZE) >> PAGE_SHIFT; - - bounce_sgl = kcalloc(num_pages, sizeof(struct scatterlist), GFP_ATOMIC); - if (!bounce_sgl) - return NULL; - - for (i = 0; i < num_pages; i++) { - page_buf = alloc_page(GFP_ATOMIC); - if (!page_buf) - goto cleanup; - sg_set_page(&bounce_sgl[i], page_buf, buf_len, 0); - } - - return bounce_sgl; - -cleanup: - destroy_bounce_buffer(bounce_sgl, num_pages); - return NULL; -} - - -/* Assume the original sgl has enough room */ -static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl, - struct scatterlist *bounce_sgl, - unsigned int orig_sgl_count, - unsigned int bounce_sgl_count) -{ - int i; - int j = 0; - unsigned long src, dest; - unsigned int srclen, destlen, copylen; - unsigned int total_copied = 0; - unsigned long bounce_addr = 0; - unsigned long dest_addr = 0; - unsigned long flags; - - local_irq_save(flags); - - for (i = 0; i < orig_sgl_count; i++) { - dest_addr = (unsigned long)kmap_atomic(sg_page((&orig_sgl[i])), - KM_IRQ0) + orig_sgl[i].offset; - dest = dest_addr; - destlen = orig_sgl[i].length; - - if (bounce_addr == 0) - bounce_addr = - (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), - KM_IRQ0); - - while (destlen) { - src = bounce_addr + bounce_sgl[j].offset; - srclen = bounce_sgl[j].length - bounce_sgl[j].offset; - - copylen = min(srclen, destlen); - memcpy((void *)dest, (void *)src, copylen); - - total_copied += copylen; - bounce_sgl[j].offset += copylen; - destlen -= copylen; - dest += copylen; - - if (bounce_sgl[j].offset == bounce_sgl[j].length) { - /* full */ - kunmap_atomic((void *)bounce_addr, KM_IRQ0); - j++; - - /* - * It is possible that the number of elements - * in the bounce buffer may not be equal to - * the number of elements in the original - * scatter list. Handle this correctly. - */ - - if (j == bounce_sgl_count) { - /* - * We are done; cleanup and return. - */ - kunmap_atomic((void *)(dest_addr - - orig_sgl[i].offset), - KM_IRQ0); - local_irq_restore(flags); - return total_copied; - } - - /* if we need to use another bounce buffer */ - if (destlen || i != orig_sgl_count - 1) - bounce_addr = - (unsigned long)kmap_atomic( - sg_page((&bounce_sgl[j])), KM_IRQ0); - } else if (destlen == 0 && i == orig_sgl_count - 1) { - /* unmap the last bounce that is < PAGE_SIZE */ - kunmap_atomic((void *)bounce_addr, KM_IRQ0); - } - } - - kunmap_atomic((void *)(dest_addr - orig_sgl[i].offset), - KM_IRQ0); - } - - local_irq_restore(flags); - - return total_copied; -} - - -/* Assume the bounce_sgl has enough room ie using the create_bounce_buffer() */ -static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl, - struct scatterlist *bounce_sgl, - unsigned int orig_sgl_count) -{ - int i; - int j = 0; - unsigned long src, dest; - unsigned int srclen, destlen, copylen; - unsigned int total_copied = 0; - unsigned long bounce_addr = 0; - unsigned long src_addr = 0; - unsigned long flags; - - local_irq_save(flags); - - for (i = 0; i < orig_sgl_count; i++) { - src_addr = (unsigned long)kmap_atomic(sg_page((&orig_sgl[i])), - KM_IRQ0) + orig_sgl[i].offset; - src = src_addr; - srclen = orig_sgl[i].length; - - if (bounce_addr == 0) - bounce_addr = - (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), - KM_IRQ0); - - while (srclen) { - /* assume bounce offset always == 0 */ - dest = bounce_addr + bounce_sgl[j].length; - destlen = PAGE_SIZE - bounce_sgl[j].length; - - copylen = min(srclen, destlen); - memcpy((void *)dest, (void *)src, copylen); - - total_copied += copylen; - bounce_sgl[j].length += copylen; - srclen -= copylen; - src += copylen; - - if (bounce_sgl[j].length == PAGE_SIZE) { - /* full..move to next entry */ - kunmap_atomic((void *)bounce_addr, KM_IRQ0); - j++; - - /* if we need to use another bounce buffer */ - if (srclen || i != orig_sgl_count - 1) - bounce_addr = - (unsigned long)kmap_atomic( - sg_page((&bounce_sgl[j])), KM_IRQ0); - - } else if (srclen == 0 && i == orig_sgl_count - 1) { - /* unmap the last bounce that is < PAGE_SIZE */ - kunmap_atomic((void *)bounce_addr, KM_IRQ0); - } - } - - kunmap_atomic((void *)(src_addr - orig_sgl[i].offset), KM_IRQ0); - } - - local_irq_restore(flags); - - return total_copied; -} - - -static int storvsc_remove(struct hv_device *dev) -{ - struct storvsc_device *stor_device = hv_get_drvdata(dev); - struct Scsi_Host *host = stor_device->host; - - scsi_remove_host(host); - - scsi_host_put(host); - - storvsc_dev_remove(dev); - - return 0; -} - - static int storvsc_get_chs(struct scsi_device *sdev, struct block_device * bdev, sector_t capacity, int *info) { @@ -1111,10 +1171,13 @@ static int storvsc_get_chs(struct scsi_device *sdev, struct block_device * bdev, return 0; } -static int storvsc_host_reset(struct hv_device *device) +static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd) { + struct hv_host_device *host_dev = shost_priv(scmnd->device->host); + struct hv_device *device = host_dev->dev; + struct storvsc_device *stor_device; - struct hv_storvsc_request *request; + struct storvsc_cmd_request *request; struct vstor_packet *vstor_packet; int ret, t; @@ -1153,105 +1216,16 @@ static int storvsc_host_reset(struct hv_device *device) return SUCCESS; } - -/* - * storvsc_host_reset_handler - Reset the scsi HBA - */ -static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd) -{ - struct hv_host_device *host_dev = shost_priv(scmnd->device->host); - struct hv_device *dev = host_dev->dev; - - return storvsc_host_reset(dev); -} - - -/* - * storvsc_command_completion - Command completion processing - */ -static void storvsc_command_completion(struct hv_storvsc_request *request) -{ - struct storvsc_cmd_request *cmd_request = - (struct storvsc_cmd_request *)request->context; - struct scsi_cmnd *scmnd = cmd_request->cmd; - struct hv_host_device *host_dev = shost_priv(scmnd->device->host); - void (*scsi_done_fn)(struct scsi_cmnd *); - struct scsi_sense_hdr sense_hdr; - struct vmscsi_request *vm_srb; - struct storvsc_scan_work *wrk; - struct stor_mem_pools *memp = scmnd->device->hostdata; - - vm_srb = &request->vstor_packet.vm_srb; - if (cmd_request->bounce_sgl_count) { - if (vm_srb->data_in == READ_TYPE) - copy_from_bounce_buffer(scsi_sglist(scmnd), - cmd_request->bounce_sgl, - scsi_sg_count(scmnd), - cmd_request->bounce_sgl_count); - destroy_bounce_buffer(cmd_request->bounce_sgl, - cmd_request->bounce_sgl_count); - } - - /* - * If there is an error; offline the device since all - * error recovery strategies would have already been - * deployed on the host side. - */ - if (vm_srb->srb_status == 0x4) - scmnd->result = DID_TARGET_FAILURE << 16; - else - scmnd->result = vm_srb->scsi_status; - - /* - * If the LUN is invalid; remove the device. - */ - if (vm_srb->srb_status == 0x20) { - struct storvsc_device *stor_dev; - struct hv_device *dev = host_dev->dev; - struct Scsi_Host *host; - - stor_dev = get_in_stor_device(dev); - host = stor_dev->host; - - wrk = kmalloc(sizeof(struct storvsc_scan_work), - GFP_ATOMIC); - if (!wrk) { - scmnd->result = DID_TARGET_FAILURE << 16; - } else { - wrk->host = host; - wrk->lun = vm_srb->lun; - INIT_WORK(&wrk->work, storvsc_remove_lun); - schedule_work(&wrk->work); - } - } - - if (scmnd->result) { - if (scsi_normalize_sense(scmnd->sense_buffer, - SCSI_SENSE_BUFFERSIZE, &sense_hdr)) - scsi_print_sense_hdr("storvsc", &sense_hdr); - } - - scsi_set_resid(scmnd, - request->data_buffer.len - - vm_srb->data_transfer_length); - - scsi_done_fn = scmnd->scsi_done; - - scmnd->host_scribble = NULL; - scmnd->scsi_done = NULL; - - scsi_done_fn(scmnd); - - mempool_free(cmd_request, memp->request_mempool); -} - -static bool storvsc_check_scsi_cmd(struct scsi_cmnd *scmnd) +static bool storvsc_scsi_cmd_ok(struct scsi_cmnd *scmnd) { bool allowed = true; u8 scsi_op = scmnd->cmnd[0]; switch (scsi_op) { - /* smartd sends this command, which will offline the device */ + /* + * smartd sends this command and the host does not handle + * this. So, don't send it. + */ case SET_WINDOW: scmnd->result = ILLEGAL_REQUEST << 16; allowed = false; @@ -1262,15 +1236,11 @@ static bool storvsc_check_scsi_cmd(struct scsi_cmnd *scmnd) return allowed; } -/* - * storvsc_queuecommand - Initiate command processing - */ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) { int ret; struct hv_host_device *host_dev = shost_priv(host); struct hv_device *dev = host_dev->dev; - struct hv_storvsc_request *request; struct storvsc_cmd_request *cmd_request; unsigned int request_size = 0; int i; @@ -1279,38 +1249,31 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) struct vmscsi_request *vm_srb; struct stor_mem_pools *memp = scmnd->device->hostdata; - if (storvsc_check_scsi_cmd(scmnd) == false) { + if (!storvsc_scsi_cmd_ok(scmnd)) { scmnd->scsi_done(scmnd); return 0; } - /* If retrying, no need to prep the cmd */ - if (scmnd->host_scribble) { - - cmd_request = - (struct storvsc_cmd_request *)scmnd->host_scribble; - - goto retry_request; - } - request_size = sizeof(struct storvsc_cmd_request); cmd_request = mempool_alloc(memp->request_mempool, GFP_ATOMIC); + + /* + * We might be invoked in an interrupt context; hence + * mempool_alloc() can fail. + */ if (!cmd_request) return SCSI_MLQUEUE_DEVICE_BUSY; memset(cmd_request, 0, sizeof(struct storvsc_cmd_request)); /* Setup the cmd request */ - cmd_request->bounce_sgl_count = 0; - cmd_request->bounce_sgl = NULL; cmd_request->cmd = scmnd; scmnd->host_scribble = (unsigned char *)cmd_request; - request = &cmd_request->request; - vm_srb = &request->vstor_packet.vm_srb; + vm_srb = &cmd_request->vstor_packet.vm_srb; /* Build the SRB */ @@ -1326,8 +1289,6 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) break; } - request->on_io_completion = storvsc_command_completion; - request->context = cmd_request;/* scmnd; */ vm_srb->port_number = host_dev->port; vm_srb->path_id = scmnd->device->channel; @@ -1338,10 +1299,10 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) memcpy(vm_srb->cdb, scmnd->cmnd, vm_srb->cdb_length); - request->sense_buffer = scmnd->sense_buffer; + cmd_request->sense_buffer = scmnd->sense_buffer; - request->data_buffer.len = scsi_bufflen(scmnd); + cmd_request->data_buffer.len = scsi_bufflen(scmnd); if (scsi_sg_count(scmnd)) { sgl = (struct scatterlist *)scsi_sglist(scmnd); sg_count = scsi_sg_count(scmnd); @@ -1353,11 +1314,8 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) scsi_bufflen(scmnd), vm_srb->data_in); if (!cmd_request->bounce_sgl) { - scmnd->host_scribble = NULL; - mempool_free(cmd_request, - memp->request_mempool); - - return SCSI_MLQUEUE_HOST_BUSY; + ret = SCSI_MLQUEUE_HOST_BUSY; + goto queue_error; } cmd_request->bounce_sgl_count = @@ -1373,41 +1331,42 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) sg_count = cmd_request->bounce_sgl_count; } - request->data_buffer.offset = sgl[0].offset; + cmd_request->data_buffer.offset = sgl[0].offset; for (i = 0; i < sg_count; i++) - request->data_buffer.pfn_array[i] = + cmd_request->data_buffer.pfn_array[i] = page_to_pfn(sg_page((&sgl[i]))); } else if (scsi_sglist(scmnd)) { - request->data_buffer.offset = + cmd_request->data_buffer.offset = virt_to_phys(scsi_sglist(scmnd)) & (PAGE_SIZE-1); - request->data_buffer.pfn_array[0] = + cmd_request->data_buffer.pfn_array[0] = virt_to_phys(scsi_sglist(scmnd)) >> PAGE_SHIFT; } -retry_request: /* Invokes the vsc to start an IO */ - ret = storvsc_do_io(dev, &cmd_request->request); + ret = storvsc_do_io(dev, cmd_request); if (ret == -EAGAIN) { /* no more space */ - if (cmd_request->bounce_sgl_count) + if (cmd_request->bounce_sgl_count) { destroy_bounce_buffer(cmd_request->bounce_sgl, cmd_request->bounce_sgl_count); - mempool_free(cmd_request, memp->request_mempool); - - scmnd->host_scribble = NULL; - - ret = SCSI_MLQUEUE_DEVICE_BUSY; + ret = SCSI_MLQUEUE_DEVICE_BUSY; + goto queue_error; + } } + return 0; + +queue_error: + mempool_free(cmd_request, memp->request_mempool); + scmnd->host_scribble = NULL; return ret; } -/* Scsi driver */ static struct scsi_host_template scsi_driver = { .module = THIS_MODULE, .name = "storvsc_host_t", @@ -1448,11 +1407,6 @@ static const struct hv_vmbus_device_id id_table[] = { MODULE_DEVICE_TABLE(vmbus, id_table); - -/* - * storvsc_probe - Add a new device for this driver - */ - static int storvsc_probe(struct hv_device *device, const struct hv_vmbus_device_id *dev_id) { @@ -1460,7 +1414,6 @@ static int storvsc_probe(struct hv_device *device, struct Scsi_Host *host; struct hv_host_device *host_dev; bool dev_is_ide = ((dev_id->driver_data == IDE_GUID) ? true : false); - int path = 0; int target = 0; struct storvsc_device *stor_device; @@ -1493,9 +1446,6 @@ static int storvsc_probe(struct hv_device *device, if (ret) goto err_out1; - if (dev_is_ide) - storvsc_get_ide_info(device, &target, &path); - host_dev->path = stor_device->path_id; host_dev->target = stor_device->target_id; @@ -1515,12 +1465,14 @@ static int storvsc_probe(struct hv_device *device, if (!dev_is_ide) { scsi_scan_host(host); - return 0; - } - ret = scsi_add_device(host, 0, target, 0); - if (ret) { - scsi_remove_host(host); - goto err_out2; + } else { + target = (device->dev_instance.b[5] << 8 | + device->dev_instance.b[4]); + ret = scsi_add_device(host, 0, target, 0); + if (ret) { + scsi_remove_host(host); + goto err_out2; + } } return 0; @@ -1542,7 +1494,17 @@ err_out0: return ret; } -/* The one and only one */ +static int storvsc_remove(struct hv_device *dev) +{ + struct storvsc_device *stor_device = hv_get_drvdata(dev); + struct Scsi_Host *host = stor_device->host; + + scsi_remove_host(host); + storvsc_dev_remove(dev); + scsi_host_put(host); + + return 0; +} static struct hv_driver storvsc_drv = { .name = KBUILD_MODNAME, diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index bb6317fb925..ff109ae9476 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -140,19 +140,6 @@ static void ssb_device_put(struct ssb_device *dev) put_device(dev->dev); } -static inline struct ssb_driver *ssb_driver_get(struct ssb_driver *drv) -{ - if (drv) - get_driver(&drv->drv); - return drv; -} - -static inline void ssb_driver_put(struct ssb_driver *drv) -{ - if (drv) - put_driver(&drv->drv); -} - static int ssb_device_resume(struct device *dev) { struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); @@ -250,11 +237,9 @@ int ssb_devices_freeze(struct ssb_bus *bus, struct ssb_freeze_context *ctx) ssb_device_put(sdev); continue; } - sdrv = ssb_driver_get(drv_to_ssb_drv(sdev->dev->driver)); - if (!sdrv || SSB_WARN_ON(!sdrv->remove)) { - ssb_device_put(sdev); + sdrv = drv_to_ssb_drv(sdev->dev->driver); + if (SSB_WARN_ON(!sdrv->remove)) continue; - } sdrv->remove(sdev); ctx->device_frozen[i] = 1; } @@ -293,7 +278,6 @@ int ssb_devices_thaw(struct ssb_freeze_context *ctx) dev_name(sdev->dev)); result = err; } - ssb_driver_put(sdrv); ssb_device_put(sdev); } diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 9e634724978..f1abfb179b4 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -76,8 +76,6 @@ source "drivers/staging/vt6655/Kconfig" source "drivers/staging/vt6656/Kconfig" -source "drivers/staging/hv/Kconfig" - source "drivers/staging/vme/Kconfig" source "drivers/staging/sep/Kconfig" @@ -88,6 +86,8 @@ source "drivers/staging/zram/Kconfig" source "drivers/staging/zcache/Kconfig" +source "drivers/staging/zsmalloc/Kconfig" + source "drivers/staging/wlags49_h2/Kconfig" source "drivers/staging/wlags49_h25/Kconfig" @@ -128,4 +128,10 @@ source "drivers/staging/omapdrm/Kconfig" source "drivers/staging/android/Kconfig" +source "drivers/staging/telephony/Kconfig" + +source "drivers/staging/ramster/Kconfig" + +source "drivers/staging/ozwpan/Kconfig" + endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 943e1483075..ffe7d44374e 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -29,13 +29,12 @@ obj-$(CONFIG_USB_SERIAL_QUATECH_USB2) += quatech_usb2/ obj-$(CONFIG_OCTEON_ETHERNET) += octeon/ obj-$(CONFIG_VT6655) += vt6655/ obj-$(CONFIG_VT6656) += vt6656/ -obj-$(CONFIG_HYPERV) += hv/ obj-$(CONFIG_VME_BUS) += vme/ obj-$(CONFIG_DX_SEP) += sep/ obj-$(CONFIG_IIO) += iio/ obj-$(CONFIG_ZRAM) += zram/ -obj-$(CONFIG_XVMALLOC) += zram/ obj-$(CONFIG_ZCACHE) += zcache/ +obj-$(CONFIG_ZSMALLOC) += zsmalloc/ obj-$(CONFIG_WLAGS49_H2) += wlags49_h2/ obj-$(CONFIG_WLAGS49_H25) += wlags49_h25/ obj-$(CONFIG_FB_SM7XX) += sm7xx/ @@ -55,3 +54,6 @@ obj-$(CONFIG_INTEL_MEI) += mei/ obj-$(CONFIG_MFD_NVEC) += nvec/ obj-$(CONFIG_DRM_OMAP) += omapdrm/ obj-$(CONFIG_ANDROID) += android/ +obj-$(CONFIG_PHONE) += telephony/ +obj-$(CONFIG_RAMSTER) += ramster/ +obj-$(CONFIG_USB_WPAN_HCD) += ozwpan/ diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig index fef3580ce8d..08a3b1133d2 100644 --- a/drivers/staging/android/Kconfig +++ b/drivers/staging/android/Kconfig @@ -25,65 +25,17 @@ config ANDROID_LOGGER tristate "Android log driver" default n -config ANDROID_RAM_CONSOLE - bool "Android RAM buffer console" - depends on !S390 && !UML - default n - -config ANDROID_RAM_CONSOLE_ENABLE_VERBOSE - bool "Enable verbose console messages on Android RAM console" - default y - depends on ANDROID_RAM_CONSOLE - -menuconfig ANDROID_RAM_CONSOLE_ERROR_CORRECTION - bool "Android RAM Console Enable error correction" - default n - depends on ANDROID_RAM_CONSOLE - depends on !ANDROID_RAM_CONSOLE_EARLY_INIT +config ANDROID_PERSISTENT_RAM + bool select REED_SOLOMON select REED_SOLOMON_ENC8 select REED_SOLOMON_DEC8 -if ANDROID_RAM_CONSOLE_ERROR_CORRECTION - -config ANDROID_RAM_CONSOLE_ERROR_CORRECTION_DATA_SIZE - int "Android RAM Console Data data size" - default 128 - help - Must be a power of 2. - -config ANDROID_RAM_CONSOLE_ERROR_CORRECTION_ECC_SIZE - int "Android RAM Console ECC size" - default 16 - -config ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE - int "Android RAM Console Symbol size" - default 8 - -config ANDROID_RAM_CONSOLE_ERROR_CORRECTION_POLYNOMIAL - hex "Android RAM Console Polynomial" - default 0x19 if (ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE = 4) - default 0x29 if (ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE = 5) - default 0x61 if (ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE = 6) - default 0x89 if (ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE = 7) - default 0x11d if (ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE = 8) - -endif # ANDROID_RAM_CONSOLE_ERROR_CORRECTION - -config ANDROID_RAM_CONSOLE_EARLY_INIT - bool "Start Android RAM console early" +config ANDROID_RAM_CONSOLE + bool "Android RAM buffer console" + depends on !S390 && !UML + select ANDROID_PERSISTENT_RAM default n - depends on ANDROID_RAM_CONSOLE - -config ANDROID_RAM_CONSOLE_EARLY_ADDR - hex "Android RAM console virtual address" - default 0 - depends on ANDROID_RAM_CONSOLE_EARLY_INIT - -config ANDROID_RAM_CONSOLE_EARLY_SIZE - hex "Android RAM console buffer size" - default 0 - depends on ANDROID_RAM_CONSOLE_EARLY_INIT config ANDROID_TIMED_OUTPUT bool "Timed output class driver" @@ -102,6 +54,32 @@ config ANDROID_LOW_MEMORY_KILLER source "drivers/staging/android/switch/Kconfig" +config ANDROID_INTF_ALARM + bool "Android alarm driver" + depends on RTC_CLASS + default n + help + Provides non-wakeup and rtc backed wakeup alarms based on rtc or + elapsed realtime, and a non-wakeup alarm on the monotonic clock. + Also provides an interface to set the wall time which must be used + for elapsed realtime to work. + +config ANDROID_INTF_ALARM_DEV + bool "Android alarm device" + depends on ANDROID_INTF_ALARM + default y + help + Exports the alarm interface to user-space. + +config ANDROID_ALARM_OLDDRV_COMPAT + bool "Android Alarm compatability with old drivers" + depends on ANDROID_INTF_ALARM + default n + help + Provides preprocessor alias to aid compatability with + older out-of-tree drivers that use the Android Alarm + in-kernel API. This will be removed eventually. + endif # if ANDROID endmenu diff --git a/drivers/staging/android/Makefile b/drivers/staging/android/Makefile index 5fcc24ffdd5..9b6c9ed91f6 100644 --- a/drivers/staging/android/Makefile +++ b/drivers/staging/android/Makefile @@ -1,8 +1,11 @@ obj-$(CONFIG_ANDROID_BINDER_IPC) += binder.o obj-$(CONFIG_ASHMEM) += ashmem.o obj-$(CONFIG_ANDROID_LOGGER) += logger.o +obj-$(CONFIG_ANDROID_PERSISTENT_RAM) += persistent_ram.o obj-$(CONFIG_ANDROID_RAM_CONSOLE) += ram_console.o obj-$(CONFIG_ANDROID_TIMED_OUTPUT) += timed_output.o obj-$(CONFIG_ANDROID_TIMED_GPIO) += timed_gpio.o obj-$(CONFIG_ANDROID_LOW_MEMORY_KILLER) += lowmemorykiller.o obj-$(CONFIG_ANDROID_SWITCH) += switch/ +obj-$(CONFIG_ANDROID_INTF_ALARM) += alarm.o +obj-$(CONFIG_ANDROID_INTF_ALARM_DEV) += alarm-dev.o diff --git a/drivers/staging/android/TODO b/drivers/staging/android/TODO index e59c5be4be2..b15fb0d6b15 100644 --- a/drivers/staging/android/TODO +++ b/drivers/staging/android/TODO @@ -3,7 +3,7 @@ TODO: - sparse fixes - rename files to be not so "generic" - make sure things build as modules properly - - add proper arch dependancies as needed + - add proper arch dependencies as needed - audit userspace interfaces to make sure they are sane Please send patches to Greg Kroah-Hartman <greg@kroah.com> and Cc: diff --git a/drivers/staging/android/alarm-dev.c b/drivers/staging/android/alarm-dev.c new file mode 100644 index 00000000000..03efb34cbe2 --- /dev/null +++ b/drivers/staging/android/alarm-dev.c @@ -0,0 +1,297 @@ +/* drivers/rtc/alarm-dev.c + * + * Copyright (C) 2007-2009 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/time.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/miscdevice.h> +#include <linux/fs.h> +#include <linux/platform_device.h> +#include <linux/sched.h> +#include <linux/spinlock.h> +#include <linux/uaccess.h> +#include "android_alarm.h" + +/* XXX - Hack out wakelocks, while they are out of tree */ +struct wake_lock { + int i; +}; +#define wake_lock(x) +#define wake_lock_timeout(x, y) +#define wake_unlock(x) +#define WAKE_LOCK_SUSPEND 0 +#define wake_lock_init(x, y, z) ((x)->i = 1) +#define wake_lock_destroy(x) + +#define ANDROID_ALARM_PRINT_INFO (1U << 0) +#define ANDROID_ALARM_PRINT_IO (1U << 1) +#define ANDROID_ALARM_PRINT_INT (1U << 2) + + +static int debug_mask = ANDROID_ALARM_PRINT_INFO; +module_param_named(debug_mask, debug_mask, int, S_IRUGO | S_IWUSR | S_IWGRP); + +#define pr_alarm(debug_level_mask, args...) \ + do { \ + if (debug_mask & ANDROID_ALARM_PRINT_##debug_level_mask) { \ + pr_info(args); \ + } \ + } while (0) + +#define ANDROID_ALARM_WAKEUP_MASK ( \ + ANDROID_ALARM_RTC_WAKEUP_MASK | \ + ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP_MASK) + +/* support old usespace code */ +#define ANDROID_ALARM_SET_OLD _IOW('a', 2, time_t) /* set alarm */ +#define ANDROID_ALARM_SET_AND_WAIT_OLD _IOW('a', 3, time_t) + +static int alarm_opened; +static DEFINE_SPINLOCK(alarm_slock); +static struct wake_lock alarm_wake_lock; +static DECLARE_WAIT_QUEUE_HEAD(alarm_wait_queue); +static uint32_t alarm_pending; +static uint32_t alarm_enabled; +static uint32_t wait_pending; + +static struct android_alarm alarms[ANDROID_ALARM_TYPE_COUNT]; + +static long alarm_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + int rv = 0; + unsigned long flags; + struct timespec new_alarm_time; + struct timespec new_rtc_time; + struct timespec tmp_time; + enum android_alarm_type alarm_type = ANDROID_ALARM_IOCTL_TO_TYPE(cmd); + uint32_t alarm_type_mask = 1U << alarm_type; + + if (alarm_type >= ANDROID_ALARM_TYPE_COUNT) + return -EINVAL; + + if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_TIME(0)) { + if ((file->f_flags & O_ACCMODE) == O_RDONLY) + return -EPERM; + if (file->private_data == NULL && + cmd != ANDROID_ALARM_SET_RTC) { + spin_lock_irqsave(&alarm_slock, flags); + if (alarm_opened) { + spin_unlock_irqrestore(&alarm_slock, flags); + return -EBUSY; + } + alarm_opened = 1; + file->private_data = (void *)1; + spin_unlock_irqrestore(&alarm_slock, flags); + } + } + + switch (ANDROID_ALARM_BASE_CMD(cmd)) { + case ANDROID_ALARM_CLEAR(0): + spin_lock_irqsave(&alarm_slock, flags); + pr_alarm(IO, "alarm %d clear\n", alarm_type); + android_alarm_try_to_cancel(&alarms[alarm_type]); + if (alarm_pending) { + alarm_pending &= ~alarm_type_mask; + if (!alarm_pending && !wait_pending) + wake_unlock(&alarm_wake_lock); + } + alarm_enabled &= ~alarm_type_mask; + spin_unlock_irqrestore(&alarm_slock, flags); + break; + + case ANDROID_ALARM_SET_OLD: + case ANDROID_ALARM_SET_AND_WAIT_OLD: + if (get_user(new_alarm_time.tv_sec, (int __user *)arg)) { + rv = -EFAULT; + goto err1; + } + new_alarm_time.tv_nsec = 0; + goto from_old_alarm_set; + + case ANDROID_ALARM_SET_AND_WAIT(0): + case ANDROID_ALARM_SET(0): + if (copy_from_user(&new_alarm_time, (void __user *)arg, + sizeof(new_alarm_time))) { + rv = -EFAULT; + goto err1; + } +from_old_alarm_set: + spin_lock_irqsave(&alarm_slock, flags); + pr_alarm(IO, "alarm %d set %ld.%09ld\n", alarm_type, + new_alarm_time.tv_sec, new_alarm_time.tv_nsec); + alarm_enabled |= alarm_type_mask; + android_alarm_start_range(&alarms[alarm_type], + timespec_to_ktime(new_alarm_time), + timespec_to_ktime(new_alarm_time)); + spin_unlock_irqrestore(&alarm_slock, flags); + if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_SET_AND_WAIT(0) + && cmd != ANDROID_ALARM_SET_AND_WAIT_OLD) + break; + /* fall though */ + case ANDROID_ALARM_WAIT: + spin_lock_irqsave(&alarm_slock, flags); + pr_alarm(IO, "alarm wait\n"); + if (!alarm_pending && wait_pending) { + wake_unlock(&alarm_wake_lock); + wait_pending = 0; + } + spin_unlock_irqrestore(&alarm_slock, flags); + rv = wait_event_interruptible(alarm_wait_queue, alarm_pending); + if (rv) + goto err1; + spin_lock_irqsave(&alarm_slock, flags); + rv = alarm_pending; + wait_pending = 1; + alarm_pending = 0; + spin_unlock_irqrestore(&alarm_slock, flags); + break; + case ANDROID_ALARM_SET_RTC: + if (copy_from_user(&new_rtc_time, (void __user *)arg, + sizeof(new_rtc_time))) { + rv = -EFAULT; + goto err1; + } + rv = android_alarm_set_rtc(new_rtc_time); + spin_lock_irqsave(&alarm_slock, flags); + alarm_pending |= ANDROID_ALARM_TIME_CHANGE_MASK; + wake_up(&alarm_wait_queue); + spin_unlock_irqrestore(&alarm_slock, flags); + if (rv < 0) + goto err1; + break; + case ANDROID_ALARM_GET_TIME(0): + switch (alarm_type) { + case ANDROID_ALARM_RTC_WAKEUP: + case ANDROID_ALARM_RTC: + getnstimeofday(&tmp_time); + break; + case ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP: + case ANDROID_ALARM_ELAPSED_REALTIME: + tmp_time = + ktime_to_timespec(alarm_get_elapsed_realtime()); + break; + case ANDROID_ALARM_TYPE_COUNT: + case ANDROID_ALARM_SYSTEMTIME: + ktime_get_ts(&tmp_time); + break; + } + if (copy_to_user((void __user *)arg, &tmp_time, + sizeof(tmp_time))) { + rv = -EFAULT; + goto err1; + } + break; + + default: + rv = -EINVAL; + goto err1; + } +err1: + return rv; +} + +static int alarm_open(struct inode *inode, struct file *file) +{ + file->private_data = NULL; + return 0; +} + +static int alarm_release(struct inode *inode, struct file *file) +{ + int i; + unsigned long flags; + + spin_lock_irqsave(&alarm_slock, flags); + if (file->private_data != 0) { + for (i = 0; i < ANDROID_ALARM_TYPE_COUNT; i++) { + uint32_t alarm_type_mask = 1U << i; + if (alarm_enabled & alarm_type_mask) { + pr_alarm(INFO, "alarm_release: clear alarm, " + "pending %d\n", + !!(alarm_pending & alarm_type_mask)); + alarm_enabled &= ~alarm_type_mask; + } + spin_unlock_irqrestore(&alarm_slock, flags); + android_alarm_cancel(&alarms[i]); + spin_lock_irqsave(&alarm_slock, flags); + } + if (alarm_pending | wait_pending) { + if (alarm_pending) + pr_alarm(INFO, "alarm_release: clear " + "pending alarms %x\n", alarm_pending); + wake_unlock(&alarm_wake_lock); + wait_pending = 0; + alarm_pending = 0; + } + alarm_opened = 0; + } + spin_unlock_irqrestore(&alarm_slock, flags); + return 0; +} + +static void alarm_triggered(struct android_alarm *alarm) +{ + unsigned long flags; + uint32_t alarm_type_mask = 1U << alarm->type; + + pr_alarm(INT, "alarm_triggered type %d\n", alarm->type); + spin_lock_irqsave(&alarm_slock, flags); + if (alarm_enabled & alarm_type_mask) { + wake_lock_timeout(&alarm_wake_lock, 5 * HZ); + alarm_enabled &= ~alarm_type_mask; + alarm_pending |= alarm_type_mask; + wake_up(&alarm_wait_queue); + } + spin_unlock_irqrestore(&alarm_slock, flags); +} + +static const struct file_operations alarm_fops = { + .owner = THIS_MODULE, + .unlocked_ioctl = alarm_ioctl, + .open = alarm_open, + .release = alarm_release, +}; + +static struct miscdevice alarm_device = { + .minor = MISC_DYNAMIC_MINOR, + .name = "alarm", + .fops = &alarm_fops, +}; + +static int __init alarm_dev_init(void) +{ + int err; + int i; + + err = misc_register(&alarm_device); + if (err) + return err; + + for (i = 0; i < ANDROID_ALARM_TYPE_COUNT; i++) + android_alarm_init(&alarms[i], i, alarm_triggered); + wake_lock_init(&alarm_wake_lock, WAKE_LOCK_SUSPEND, "alarm"); + + return 0; +} + +static void __exit alarm_dev_exit(void) +{ + misc_deregister(&alarm_device); + wake_lock_destroy(&alarm_wake_lock); +} + +module_init(alarm_dev_init); +module_exit(alarm_dev_exit); + diff --git a/drivers/staging/android/alarm.c b/drivers/staging/android/alarm.c new file mode 100644 index 00000000000..c68950b9e08 --- /dev/null +++ b/drivers/staging/android/alarm.c @@ -0,0 +1,601 @@ +/* drivers/rtc/alarm.c + * + * Copyright (C) 2007-2009 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/time.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/miscdevice.h> +#include <linux/platform_device.h> +#include <linux/rtc.h> +#include <linux/sched.h> +#include <linux/spinlock.h> +#include "android_alarm.h" + +/* XXX - Hack out wakelocks, while they are out of tree */ +struct wake_lock { + int i; +}; +#define wake_lock(x) +#define wake_lock_timeout(x, y) +#define wake_unlock(x) +#define WAKE_LOCK_SUSPEND 0 +#define wake_lock_init(x, y, z) ((x)->i = 1) +#define wake_lock_destroy(x) + +#define ANDROID_ALARM_PRINT_ERROR (1U << 0) +#define ANDROID_ALARM_PRINT_INIT_STATUS (1U << 1) +#define ANDROID_ALARM_PRINT_TSET (1U << 2) +#define ANDROID_ALARM_PRINT_CALL (1U << 3) +#define ANDROID_ALARM_PRINT_SUSPEND (1U << 4) +#define ANDROID_ALARM_PRINT_INT (1U << 5) +#define ANDROID_ALARM_PRINT_FLOW (1U << 6) + +static int debug_mask = ANDROID_ALARM_PRINT_ERROR | \ + ANDROID_ALARM_PRINT_INIT_STATUS; +module_param_named(debug_mask, debug_mask, int, S_IRUGO | S_IWUSR | S_IWGRP); + +#define pr_alarm(debug_level_mask, args...) \ + do { \ + if (debug_mask & ANDROID_ALARM_PRINT_##debug_level_mask) { \ + pr_info(args); \ + } \ + } while (0) + +#define ANDROID_ALARM_WAKEUP_MASK ( \ + ANDROID_ALARM_RTC_WAKEUP_MASK | \ + ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP_MASK) + +/* support old usespace code */ +#define ANDROID_ALARM_SET_OLD _IOW('a', 2, time_t) /* set alarm */ +#define ANDROID_ALARM_SET_AND_WAIT_OLD _IOW('a', 3, time_t) + +struct alarm_queue { + struct rb_root alarms; + struct rb_node *first; + struct hrtimer timer; + ktime_t delta; + bool stopped; + ktime_t stopped_time; +}; + +static struct rtc_device *alarm_rtc_dev; +static DEFINE_SPINLOCK(alarm_slock); +static DEFINE_MUTEX(alarm_setrtc_mutex); +static struct wake_lock alarm_rtc_wake_lock; +static struct platform_device *alarm_platform_dev; +struct alarm_queue alarms[ANDROID_ALARM_TYPE_COUNT]; +static bool suspended; + +static void update_timer_locked(struct alarm_queue *base, bool head_removed) +{ + struct android_alarm *alarm; + bool is_wakeup = base == &alarms[ANDROID_ALARM_RTC_WAKEUP] || + base == &alarms[ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP]; + + if (base->stopped) { + pr_alarm(FLOW, "changed alarm while setting the wall time\n"); + return; + } + + if (is_wakeup && !suspended && head_removed) + wake_unlock(&alarm_rtc_wake_lock); + + if (!base->first) + return; + + alarm = container_of(base->first, struct android_alarm, node); + + pr_alarm(FLOW, "selected alarm, type %d, func %pF at %lld\n", + alarm->type, alarm->function, ktime_to_ns(alarm->expires)); + + if (is_wakeup && suspended) { + pr_alarm(FLOW, "changed alarm while suspened\n"); + wake_lock_timeout(&alarm_rtc_wake_lock, 1 * HZ); + return; + } + + hrtimer_try_to_cancel(&base->timer); + base->timer.node.expires = ktime_add(base->delta, alarm->expires); + base->timer._softexpires = ktime_add(base->delta, alarm->softexpires); + hrtimer_start_expires(&base->timer, HRTIMER_MODE_ABS); +} + +static void alarm_enqueue_locked(struct android_alarm *alarm) +{ + struct alarm_queue *base = &alarms[alarm->type]; + struct rb_node **link = &base->alarms.rb_node; + struct rb_node *parent = NULL; + struct android_alarm *entry; + int leftmost = 1; + bool was_first = false; + + pr_alarm(FLOW, "added alarm, type %d, func %pF at %lld\n", + alarm->type, alarm->function, ktime_to_ns(alarm->expires)); + + if (base->first == &alarm->node) { + base->first = rb_next(&alarm->node); + was_first = true; + } + if (!RB_EMPTY_NODE(&alarm->node)) { + rb_erase(&alarm->node, &base->alarms); + RB_CLEAR_NODE(&alarm->node); + } + + while (*link) { + parent = *link; + entry = rb_entry(parent, struct android_alarm, node); + /* + * We dont care about collisions. Nodes with + * the same expiry time stay together. + */ + if (alarm->expires.tv64 < entry->expires.tv64) { + link = &(*link)->rb_left; + } else { + link = &(*link)->rb_right; + leftmost = 0; + } + } + if (leftmost) + base->first = &alarm->node; + if (leftmost || was_first) + update_timer_locked(base, was_first); + + rb_link_node(&alarm->node, parent, link); + rb_insert_color(&alarm->node, &base->alarms); +} + +/** + * android_alarm_init - initialize an alarm + * @alarm: the alarm to be initialized + * @type: the alarm type to be used + * @function: alarm callback function + */ +void android_alarm_init(struct android_alarm *alarm, + enum android_alarm_type type, void (*function)(struct android_alarm *)) +{ + RB_CLEAR_NODE(&alarm->node); + alarm->type = type; + alarm->function = function; + + pr_alarm(FLOW, "created alarm, type %d, func %pF\n", type, function); +} + + +/** + * android_alarm_start_range - (re)start an alarm + * @alarm: the alarm to be added + * @start: earliest expiry time + * @end: expiry time + */ +void android_alarm_start_range(struct android_alarm *alarm, ktime_t start, + ktime_t end) +{ + unsigned long flags; + + spin_lock_irqsave(&alarm_slock, flags); + alarm->softexpires = start; + alarm->expires = end; + alarm_enqueue_locked(alarm); + spin_unlock_irqrestore(&alarm_slock, flags); +} + +/** + * android_alarm_try_to_cancel - try to deactivate an alarm + * @alarm: alarm to stop + * + * Returns: + * 0 when the alarm was not active + * 1 when the alarm was active + * -1 when the alarm may currently be excuting the callback function and + * cannot be stopped (it may also be inactive) + */ +int android_alarm_try_to_cancel(struct android_alarm *alarm) +{ + struct alarm_queue *base = &alarms[alarm->type]; + unsigned long flags; + bool first = false; + int ret = 0; + + spin_lock_irqsave(&alarm_slock, flags); + if (!RB_EMPTY_NODE(&alarm->node)) { + pr_alarm(FLOW, "canceled alarm, type %d, func %pF at %lld\n", + alarm->type, alarm->function, + ktime_to_ns(alarm->expires)); + ret = 1; + if (base->first == &alarm->node) { + base->first = rb_next(&alarm->node); + first = true; + } + rb_erase(&alarm->node, &base->alarms); + RB_CLEAR_NODE(&alarm->node); + if (first) + update_timer_locked(base, true); + } else + pr_alarm(FLOW, "tried to cancel alarm, type %d, func %pF\n", + alarm->type, alarm->function); + spin_unlock_irqrestore(&alarm_slock, flags); + if (!ret && hrtimer_callback_running(&base->timer)) + ret = -1; + return ret; +} + +/** + * android_alarm_cancel - cancel an alarm and wait for the handler to finish. + * @alarm: the alarm to be cancelled + * + * Returns: + * 0 when the alarm was not active + * 1 when the alarm was active + */ +int android_alarm_cancel(struct android_alarm *alarm) +{ + for (;;) { + int ret = android_alarm_try_to_cancel(alarm); + if (ret >= 0) + return ret; + cpu_relax(); + } +} + +/** + * alarm_set_rtc - set the kernel and rtc walltime + * @new_time: timespec value containing the new time + */ +int android_alarm_set_rtc(struct timespec new_time) +{ + int i; + int ret; + unsigned long flags; + struct rtc_time rtc_new_rtc_time; + struct timespec tmp_time; + + rtc_time_to_tm(new_time.tv_sec, &rtc_new_rtc_time); + + pr_alarm(TSET, "set rtc %ld %ld - rtc %02d:%02d:%02d %02d/%02d/%04d\n", + new_time.tv_sec, new_time.tv_nsec, + rtc_new_rtc_time.tm_hour, rtc_new_rtc_time.tm_min, + rtc_new_rtc_time.tm_sec, rtc_new_rtc_time.tm_mon + 1, + rtc_new_rtc_time.tm_mday, + rtc_new_rtc_time.tm_year + 1900); + + mutex_lock(&alarm_setrtc_mutex); + spin_lock_irqsave(&alarm_slock, flags); + wake_lock(&alarm_rtc_wake_lock); + getnstimeofday(&tmp_time); + for (i = 0; i < ANDROID_ALARM_SYSTEMTIME; i++) { + hrtimer_try_to_cancel(&alarms[i].timer); + alarms[i].stopped = true; + alarms[i].stopped_time = timespec_to_ktime(tmp_time); + } + alarms[ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP].delta = + alarms[ANDROID_ALARM_ELAPSED_REALTIME].delta = + ktime_sub(alarms[ANDROID_ALARM_ELAPSED_REALTIME].delta, + timespec_to_ktime(timespec_sub(tmp_time, new_time))); + spin_unlock_irqrestore(&alarm_slock, flags); + ret = do_settimeofday(&new_time); + spin_lock_irqsave(&alarm_slock, flags); + for (i = 0; i < ANDROID_ALARM_SYSTEMTIME; i++) { + alarms[i].stopped = false; + update_timer_locked(&alarms[i], false); + } + spin_unlock_irqrestore(&alarm_slock, flags); + if (ret < 0) { + pr_alarm(ERROR, "alarm_set_rtc: Failed to set time\n"); + goto err; + } + if (!alarm_rtc_dev) { + pr_alarm(ERROR, + "alarm_set_rtc: no RTC, time will be lost on reboot\n"); + goto err; + } + ret = rtc_set_time(alarm_rtc_dev, &rtc_new_rtc_time); + if (ret < 0) + pr_alarm(ERROR, "alarm_set_rtc: " + "Failed to set RTC, time will be lost on reboot\n"); +err: + wake_unlock(&alarm_rtc_wake_lock); + mutex_unlock(&alarm_setrtc_mutex); + return ret; +} + +/** + * alarm_get_elapsed_realtime - get the elapsed real time in ktime_t format + * + * returns the time in ktime_t format + */ +ktime_t alarm_get_elapsed_realtime(void) +{ + ktime_t now; + unsigned long flags; + struct alarm_queue *base = &alarms[ANDROID_ALARM_ELAPSED_REALTIME]; + + spin_lock_irqsave(&alarm_slock, flags); + now = base->stopped ? base->stopped_time : ktime_get_real(); + now = ktime_sub(now, base->delta); + spin_unlock_irqrestore(&alarm_slock, flags); + return now; +} + +static enum hrtimer_restart alarm_timer_triggered(struct hrtimer *timer) +{ + struct alarm_queue *base; + struct android_alarm *alarm; + unsigned long flags; + ktime_t now; + + spin_lock_irqsave(&alarm_slock, flags); + + base = container_of(timer, struct alarm_queue, timer); + now = base->stopped ? base->stopped_time : hrtimer_cb_get_time(timer); + now = ktime_sub(now, base->delta); + + pr_alarm(INT, "alarm_timer_triggered type %ld at %lld\n", + base - alarms, ktime_to_ns(now)); + + while (base->first) { + alarm = container_of(base->first, struct android_alarm, node); + if (alarm->softexpires.tv64 > now.tv64) { + pr_alarm(FLOW, "don't call alarm, %pF, %lld (s %lld)\n", + alarm->function, ktime_to_ns(alarm->expires), + ktime_to_ns(alarm->softexpires)); + break; + } + base->first = rb_next(&alarm->node); + rb_erase(&alarm->node, &base->alarms); + RB_CLEAR_NODE(&alarm->node); + pr_alarm(CALL, "call alarm, type %d, func %pF, %lld (s %lld)\n", + alarm->type, alarm->function, + ktime_to_ns(alarm->expires), + ktime_to_ns(alarm->softexpires)); + spin_unlock_irqrestore(&alarm_slock, flags); + alarm->function(alarm); + spin_lock_irqsave(&alarm_slock, flags); + } + if (!base->first) + pr_alarm(FLOW, "no more alarms of type %ld\n", base - alarms); + update_timer_locked(base, true); + spin_unlock_irqrestore(&alarm_slock, flags); + return HRTIMER_NORESTART; +} + +static void alarm_triggered_func(void *p) +{ + struct rtc_device *rtc = alarm_rtc_dev; + if (!(rtc->irq_data & RTC_AF)) + return; + pr_alarm(INT, "rtc alarm triggered\n"); + wake_lock_timeout(&alarm_rtc_wake_lock, 1 * HZ); +} + +static int alarm_suspend(struct platform_device *pdev, pm_message_t state) +{ + int err = 0; + unsigned long flags; + struct rtc_wkalrm rtc_alarm; + struct rtc_time rtc_current_rtc_time; + unsigned long rtc_current_time; + unsigned long rtc_alarm_time; + struct timespec rtc_delta; + struct timespec wall_time; + struct alarm_queue *wakeup_queue = NULL; + struct alarm_queue *tmp_queue = NULL; + + pr_alarm(SUSPEND, "alarm_suspend(%p, %d)\n", pdev, state.event); + + spin_lock_irqsave(&alarm_slock, flags); + suspended = true; + spin_unlock_irqrestore(&alarm_slock, flags); + + hrtimer_cancel(&alarms[ANDROID_ALARM_RTC_WAKEUP].timer); + hrtimer_cancel(&alarms[ + ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP].timer); + + tmp_queue = &alarms[ANDROID_ALARM_RTC_WAKEUP]; + if (tmp_queue->first) + wakeup_queue = tmp_queue; + tmp_queue = &alarms[ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP]; + if (tmp_queue->first && (!wakeup_queue || + hrtimer_get_expires(&tmp_queue->timer).tv64 < + hrtimer_get_expires(&wakeup_queue->timer).tv64)) + wakeup_queue = tmp_queue; + if (wakeup_queue) { + rtc_read_time(alarm_rtc_dev, &rtc_current_rtc_time); + getnstimeofday(&wall_time); + rtc_tm_to_time(&rtc_current_rtc_time, &rtc_current_time); + set_normalized_timespec(&rtc_delta, + wall_time.tv_sec - rtc_current_time, + wall_time.tv_nsec); + + rtc_alarm_time = timespec_sub(ktime_to_timespec( + hrtimer_get_expires(&wakeup_queue->timer)), + rtc_delta).tv_sec; + + rtc_time_to_tm(rtc_alarm_time, &rtc_alarm.time); + rtc_alarm.enabled = 1; + rtc_set_alarm(alarm_rtc_dev, &rtc_alarm); + rtc_read_time(alarm_rtc_dev, &rtc_current_rtc_time); + rtc_tm_to_time(&rtc_current_rtc_time, &rtc_current_time); + pr_alarm(SUSPEND, + "rtc alarm set at %ld, now %ld, rtc delta %ld.%09ld\n", + rtc_alarm_time, rtc_current_time, + rtc_delta.tv_sec, rtc_delta.tv_nsec); + if (rtc_current_time + 1 >= rtc_alarm_time) { + pr_alarm(SUSPEND, "alarm about to go off\n"); + memset(&rtc_alarm, 0, sizeof(rtc_alarm)); + rtc_alarm.enabled = 0; + rtc_set_alarm(alarm_rtc_dev, &rtc_alarm); + + spin_lock_irqsave(&alarm_slock, flags); + suspended = false; + wake_lock_timeout(&alarm_rtc_wake_lock, 2 * HZ); + update_timer_locked(&alarms[ANDROID_ALARM_RTC_WAKEUP], + false); + update_timer_locked(&alarms[ + ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP], false); + err = -EBUSY; + spin_unlock_irqrestore(&alarm_slock, flags); + } + } + return err; +} + +static int alarm_resume(struct platform_device *pdev) +{ + struct rtc_wkalrm alarm; + unsigned long flags; + + pr_alarm(SUSPEND, "alarm_resume(%p)\n", pdev); + + memset(&alarm, 0, sizeof(alarm)); + alarm.enabled = 0; + rtc_set_alarm(alarm_rtc_dev, &alarm); + + spin_lock_irqsave(&alarm_slock, flags); + suspended = false; + update_timer_locked(&alarms[ANDROID_ALARM_RTC_WAKEUP], false); + update_timer_locked(&alarms[ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP], + false); + spin_unlock_irqrestore(&alarm_slock, flags); + + return 0; +} + +static struct rtc_task alarm_rtc_task = { + .func = alarm_triggered_func +}; + +static int rtc_alarm_add_device(struct device *dev, + struct class_interface *class_intf) +{ + int err; + struct rtc_device *rtc = to_rtc_device(dev); + + mutex_lock(&alarm_setrtc_mutex); + + if (alarm_rtc_dev) { + err = -EBUSY; + goto err1; + } + + alarm_platform_dev = + platform_device_register_simple("alarm", -1, NULL, 0); + if (IS_ERR(alarm_platform_dev)) { + err = PTR_ERR(alarm_platform_dev); + goto err2; + } + err = rtc_irq_register(rtc, &alarm_rtc_task); + if (err) + goto err3; + alarm_rtc_dev = rtc; + pr_alarm(INIT_STATUS, "using rtc device, %s, for alarms", rtc->name); + mutex_unlock(&alarm_setrtc_mutex); + + return 0; + +err3: + platform_device_unregister(alarm_platform_dev); +err2: +err1: + mutex_unlock(&alarm_setrtc_mutex); + return err; +} + +static void rtc_alarm_remove_device(struct device *dev, + struct class_interface *class_intf) +{ + if (dev == &alarm_rtc_dev->dev) { + pr_alarm(INIT_STATUS, "lost rtc device for alarms"); + rtc_irq_unregister(alarm_rtc_dev, &alarm_rtc_task); + platform_device_unregister(alarm_platform_dev); + alarm_rtc_dev = NULL; + } +} + +static struct class_interface rtc_alarm_interface = { + .add_dev = &rtc_alarm_add_device, + .remove_dev = &rtc_alarm_remove_device, +}; + +static struct platform_driver alarm_driver = { + .suspend = alarm_suspend, + .resume = alarm_resume, + .driver = { + .name = "alarm" + } +}; + +static int __init alarm_late_init(void) +{ + unsigned long flags; + struct timespec tmp_time, system_time; + + /* this needs to run after the rtc is read at boot */ + spin_lock_irqsave(&alarm_slock, flags); + /* We read the current rtc and system time so we can later calulate + * elasped realtime to be (boot_systemtime + rtc - boot_rtc) == + * (rtc - (boot_rtc - boot_systemtime)) + */ + getnstimeofday(&tmp_time); + ktime_get_ts(&system_time); + alarms[ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP].delta = + alarms[ANDROID_ALARM_ELAPSED_REALTIME].delta = + timespec_to_ktime(timespec_sub(tmp_time, system_time)); + + spin_unlock_irqrestore(&alarm_slock, flags); + return 0; +} + +static int __init alarm_driver_init(void) +{ + int err; + int i; + + for (i = 0; i < ANDROID_ALARM_SYSTEMTIME; i++) { + hrtimer_init(&alarms[i].timer, + CLOCK_REALTIME, HRTIMER_MODE_ABS); + alarms[i].timer.function = alarm_timer_triggered; + } + hrtimer_init(&alarms[ANDROID_ALARM_SYSTEMTIME].timer, + CLOCK_MONOTONIC, HRTIMER_MODE_ABS); + alarms[ANDROID_ALARM_SYSTEMTIME].timer.function = alarm_timer_triggered; + err = platform_driver_register(&alarm_driver); + if (err < 0) + goto err1; + wake_lock_init(&alarm_rtc_wake_lock, WAKE_LOCK_SUSPEND, "alarm_rtc"); + rtc_alarm_interface.class = rtc_class; + err = class_interface_register(&rtc_alarm_interface); + if (err < 0) + goto err2; + + return 0; + +err2: + wake_lock_destroy(&alarm_rtc_wake_lock); + platform_driver_unregister(&alarm_driver); +err1: + return err; +} + +static void __exit alarm_exit(void) +{ + class_interface_unregister(&rtc_alarm_interface); + wake_lock_destroy(&alarm_rtc_wake_lock); + platform_driver_unregister(&alarm_driver); +} + +late_initcall(alarm_late_init); +module_init(alarm_driver_init); +module_exit(alarm_exit); + diff --git a/drivers/staging/android/android_alarm.h b/drivers/staging/android/android_alarm.h new file mode 100644 index 00000000000..6eecbde2ef6 --- /dev/null +++ b/drivers/staging/android/android_alarm.h @@ -0,0 +1,121 @@ +/* include/linux/android_alarm.h + * + * Copyright (C) 2006-2007 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef _LINUX_ANDROID_ALARM_H +#define _LINUX_ANDROID_ALARM_H + +#include <linux/ioctl.h> +#include <linux/time.h> + +enum android_alarm_type { + /* return code bit numbers or set alarm arg */ + ANDROID_ALARM_RTC_WAKEUP, + ANDROID_ALARM_RTC, + ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP, + ANDROID_ALARM_ELAPSED_REALTIME, + ANDROID_ALARM_SYSTEMTIME, + + ANDROID_ALARM_TYPE_COUNT, + + /* return code bit numbers */ + /* ANDROID_ALARM_TIME_CHANGE = 16 */ +}; + +#ifdef __KERNEL__ + +#include <linux/ktime.h> +#include <linux/rbtree.h> + +/* + * The alarm interface is similar to the hrtimer interface but adds support + * for wakeup from suspend. It also adds an elapsed realtime clock that can + * be used for periodic timers that need to keep runing while the system is + * suspended and not be disrupted when the wall time is set. + */ + +/** + * struct alarm - the basic alarm structure + * @node: red black tree node for time ordered insertion + * @type: alarm type. rtc/elapsed-realtime/systemtime, wakeup/non-wakeup. + * @softexpires: the absolute earliest expiry time of the alarm. + * @expires: the absolute expiry time. + * @function: alarm expiry callback function + * + * The alarm structure must be initialized by alarm_init() + * + */ + +struct android_alarm { + struct rb_node node; + enum android_alarm_type type; + ktime_t softexpires; + ktime_t expires; + void (*function)(struct android_alarm *); +}; + +void android_alarm_init(struct android_alarm *alarm, + enum android_alarm_type type, void (*function)(struct android_alarm *)); +void android_alarm_start_range(struct android_alarm *alarm, ktime_t start, + ktime_t end); +int android_alarm_try_to_cancel(struct android_alarm *alarm); +int android_alarm_cancel(struct android_alarm *alarm); +ktime_t alarm_get_elapsed_realtime(void); + +/* set rtc while preserving elapsed realtime */ +int android_alarm_set_rtc(const struct timespec ts); + +#ifdef CONFIG_ANDROID_ALARM_OLDDRV_COMPAT +/* + * Some older drivers depend on the old API, + * so provide compatability macros for now. + */ +#define alarm android_alarm +#define alarm_init(x, y, z) android_alarm_init(x, y, z) +#define alarm_start_range(x, y, z) android_alarm_start_range(x, y, z) +#define alarm_try_to_cancel(x) android_alarm_try_to_cancel(x) +#define alarm_cancel(x) android_alarm_cancel(x) +#define alarm_set_rtc(x) android_alarm_set_rtc(x) +#endif + + +#endif + +enum android_alarm_return_flags { + ANDROID_ALARM_RTC_WAKEUP_MASK = 1U << ANDROID_ALARM_RTC_WAKEUP, + ANDROID_ALARM_RTC_MASK = 1U << ANDROID_ALARM_RTC, + ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP_MASK = + 1U << ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP, + ANDROID_ALARM_ELAPSED_REALTIME_MASK = + 1U << ANDROID_ALARM_ELAPSED_REALTIME, + ANDROID_ALARM_SYSTEMTIME_MASK = 1U << ANDROID_ALARM_SYSTEMTIME, + ANDROID_ALARM_TIME_CHANGE_MASK = 1U << 16 +}; + +/* Disable alarm */ +#define ANDROID_ALARM_CLEAR(type) _IO('a', 0 | ((type) << 4)) + +/* Ack last alarm and wait for next */ +#define ANDROID_ALARM_WAIT _IO('a', 1) + +#define ALARM_IOW(c, type, size) _IOW('a', (c) | ((type) << 4), size) +/* Set alarm */ +#define ANDROID_ALARM_SET(type) ALARM_IOW(2, type, struct timespec) +#define ANDROID_ALARM_SET_AND_WAIT(type) ALARM_IOW(3, type, struct timespec) +#define ANDROID_ALARM_GET_TIME(type) ALARM_IOW(4, type, struct timespec) +#define ANDROID_ALARM_SET_RTC _IOW('a', 5, struct timespec) +#define ANDROID_ALARM_BASE_CMD(cmd) (cmd & ~(_IOC(0, 0, 0xf0, 0))) +#define ANDROID_ALARM_IOCTL_TO_TYPE(cmd) (_IOC_NR(cmd) >> 4) + +#endif diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c index 99052bfd3a2..9f1f27e7c86 100644 --- a/drivers/staging/android/ashmem.c +++ b/drivers/staging/android/ashmem.c @@ -315,7 +315,7 @@ static int ashmem_mmap(struct file *file, struct vm_area_struct *vma) get_file(asma->file); /* - * XXX - Reworked to use shmem_zero_setup() instead of + * XXX - Reworked to use shmem_zero_setup() instead of * shmem_set_file while we're in staging. -jstultz */ if (vma->vm_flags & VM_SHARED) { @@ -680,7 +680,7 @@ static long ashmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return ret; } -static struct file_operations ashmem_fops = { +static const struct file_operations ashmem_fops = { .owner = THIS_MODULE, .open = ashmem_open, .release = ashmem_release, diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index f0b7e6605ab..59e095362c8 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -103,7 +103,7 @@ static uint32_t binder_debug_mask = BINDER_DEBUG_USER_ERROR | BINDER_DEBUG_FAILED_TRANSACTION | BINDER_DEBUG_DEAD_TRANSACTION; module_param_named(debug_mask, binder_debug_mask, uint, S_IWUSR | S_IRUGO); -static int binder_debug_no_lock; +static bool binder_debug_no_lock; module_param_named(proc_no_lock, binder_debug_no_lock, bool, S_IWUSR | S_IRUGO); static DECLARE_WAIT_QUEUE_HEAD(binder_user_error_wait); @@ -258,7 +258,7 @@ struct binder_ref { }; struct binder_buffer { - struct list_head entry; /* free and allocated entries by addesss */ + struct list_head entry; /* free and allocated entries by address */ struct rb_node rb_node; /* free entry by size or allocated entry */ /* by address */ unsigned free:1; @@ -288,6 +288,7 @@ struct binder_proc { struct rb_root refs_by_node; int pid; struct vm_area_struct *vma; + struct mm_struct *vma_vm_mm; struct task_struct *tsk; struct files_struct *files; struct hlist_node deferred_work_node; @@ -633,7 +634,7 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate, if (mm) { down_write(&mm->mmap_sem); vma = proc->vma; - if (vma && mm != vma->vm_mm) { + if (vma && mm != proc->vma_vm_mm) { pr_err("binder: %d: vma mm and task mm mismatch\n", proc->pid); vma = NULL; @@ -2776,6 +2777,7 @@ static void binder_vma_close(struct vm_area_struct *vma) (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, (unsigned long)pgprot_val(vma->vm_page_prot)); proc->vma = NULL; + proc->vma_vm_mm = NULL; binder_defer_work(proc, BINDER_DEFERRED_PUT_FILES); } @@ -2858,6 +2860,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) barrier(); proc->files = get_files_struct(proc->tsk); proc->vma = vma; + proc->vma_vm_mm = vma->vm_mm; /*printk(KERN_INFO "binder_mmap: %d %lx-%lx maps %p\n", proc->pid, vma->vm_start, vma->vm_end, proc->buffer);*/ diff --git a/drivers/staging/android/logger.c b/drivers/staging/android/logger.c index ffc2d043dd8..ea69b6a77da 100644 --- a/drivers/staging/android/logger.c +++ b/drivers/staging/android/logger.c @@ -60,7 +60,11 @@ struct logger_reader { }; /* logger_offset - returns index 'n' into the log via (optimized) modulus */ -#define logger_offset(n) ((n) & (log->size - 1)) +size_t logger_offset(struct logger_log *log, size_t n) +{ + return n & (log->size-1); +} + /* * file_get_log - Given a file structure, return the associated log @@ -89,20 +93,24 @@ static inline struct logger_log *file_get_log(struct file *file) * get_entry_len - Grabs the length of the payload of the next entry starting * from 'off'. * + * An entry length is 2 bytes (16 bits) in host endian order. + * In the log, the length does not include the size of the log entry structure. + * This function returns the size including the log entry structure. + * * Caller needs to hold log->mutex. */ static __u32 get_entry_len(struct logger_log *log, size_t off) { __u16 val; - switch (log->size - off) { - case 1: - memcpy(&val, log->buffer + off, 1); - memcpy(((char *) &val) + 1, log->buffer, 1); - break; - default: - memcpy(&val, log->buffer + off, 2); - } + /* copy 2 bytes from buffer, in memcpy order, */ + /* handling possible wrap at end of buffer */ + + ((__u8 *)&val)[0] = log->buffer[off]; + if (likely(off+1 < log->size)) + ((__u8 *)&val)[1] = log->buffer[off+1]; + else + ((__u8 *)&val)[1] = log->buffer[0]; return sizeof(struct logger_entry) + val; } @@ -137,7 +145,7 @@ static ssize_t do_read_log_to_user(struct logger_log *log, if (copy_to_user(buf + len, log->buffer, count - len)) return -EFAULT; - reader->r_off = logger_offset(reader->r_off + count); + reader->r_off = logger_offset(log, reader->r_off + count); return count; } @@ -164,9 +172,10 @@ static ssize_t logger_read(struct file *file, char __user *buf, start: while (1) { + mutex_lock(&log->mutex); + prepare_to_wait(&log->wq, &wait, TASK_INTERRUPTIBLE); - mutex_lock(&log->mutex); ret = (log->w_off == reader->r_off); mutex_unlock(&log->mutex); if (!ret) @@ -225,7 +234,7 @@ static size_t get_next_entry(struct logger_log *log, size_t off, size_t len) do { size_t nr = get_entry_len(log, off); - off = logger_offset(off + nr); + off = logger_offset(log, off + nr); count += nr; } while (count < len); @@ -233,16 +242,28 @@ static size_t get_next_entry(struct logger_log *log, size_t off, size_t len) } /* - * clock_interval - is a < c < b in mod-space? Put another way, does the line - * from a to b cross c? + * is_between - is a < c < b, accounting for wrapping of a, b, and c + * positions in the buffer + * + * That is, if a<b, check for c between a and b + * and if a>b, check for c outside (not between) a and b + * + * |------- a xxxxxxxx b --------| + * c^ + * + * |xxxxx b --------- a xxxxxxxxx| + * c^ + * or c^ */ -static inline int clock_interval(size_t a, size_t b, size_t c) +static inline int is_between(size_t a, size_t b, size_t c) { - if (b < a) { - if (a < c || b >= c) + if (a < b) { + /* is c between a and b? */ + if (a < c && c <= b) return 1; } else { - if (a < c && b >= c) + /* is c outside of b through a? */ + if (c <= b || a < c) return 1; } @@ -260,14 +281,14 @@ static inline int clock_interval(size_t a, size_t b, size_t c) static void fix_up_readers(struct logger_log *log, size_t len) { size_t old = log->w_off; - size_t new = logger_offset(old + len); + size_t new = logger_offset(log, old + len); struct logger_reader *reader; - if (clock_interval(old, new, log->head)) + if (is_between(old, new, log->head)) log->head = get_next_entry(log, log->head, len); list_for_each_entry(reader, &log->readers, list) - if (clock_interval(old, new, reader->r_off)) + if (is_between(old, new, reader->r_off)) reader->r_off = get_next_entry(log, reader->r_off, len); } @@ -286,7 +307,7 @@ static void do_write_log(struct logger_log *log, const void *buf, size_t count) if (count != len) memcpy(log->buffer, buf + len, count - len); - log->w_off = logger_offset(log->w_off + count); + log->w_off = logger_offset(log, log->w_off + count); } @@ -309,9 +330,15 @@ static ssize_t do_write_log_from_user(struct logger_log *log, if (count != len) if (copy_from_user(log->buffer, buf + len, count - len)) + /* + * Note that by not updating w_off, this abandons the + * portion of the new entry that *was* successfully + * copied, just above. This is intentional to avoid + * message corruption from missing fragments. + */ return -EFAULT; - log->w_off = logger_offset(log->w_off + count); + log->w_off = logger_offset(log, log->w_off + count); return count; } @@ -432,7 +459,12 @@ static int logger_release(struct inode *ignored, struct file *file) { if (file->f_mode & FMODE_READ) { struct logger_reader *reader = file->private_data; + struct logger_log *log = reader->log; + + mutex_lock(&log->mutex); list_del(&reader->list); + mutex_unlock(&log->mutex); + kfree(reader); } diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c index efc7dc1f483..052b43e4e50 100644 --- a/drivers/staging/android/lowmemorykiller.c +++ b/drivers/staging/android/lowmemorykiller.c @@ -1,16 +1,17 @@ /* drivers/misc/lowmemorykiller.c * * The lowmemorykiller driver lets user-space specify a set of memory thresholds - * where processes with a range of oom_adj values will get killed. Specify the - * minimum oom_adj values in /sys/module/lowmemorykiller/parameters/adj and the - * number of free pages in /sys/module/lowmemorykiller/parameters/minfree. Both - * files take a comma separated list of numbers in ascending order. + * where processes with a range of oom_score_adj values will get killed. Specify + * the minimum oom_score_adj values in + * /sys/module/lowmemorykiller/parameters/adj and the number of free pages in + * /sys/module/lowmemorykiller/parameters/minfree. Both files take a comma + * separated list of numbers in ascending order. * * For example, write "0,8" to /sys/module/lowmemorykiller/parameters/adj and * "1024,4096" to /sys/module/lowmemorykiller/parameters/minfree to kill - * processes with a oom_adj value of 8 or higher when the free memory drops - * below 4096 pages and kill processes with a oom_adj value of 0 or higher - * when the free memory drops below 1024 pages. + * processes with a oom_score_adj value of 8 or higher when the free memory + * drops below 4096 pages and kill processes with a oom_score_adj value of 0 or + * higher when the free memory drops below 1024 pages. * * The driver considers memory used for caches to be free, but if a large * percentage of the cached memory is locked this can be very inaccurate @@ -34,6 +35,7 @@ #include <linux/mm.h> #include <linux/oom.h> #include <linux/sched.h> +#include <linux/rcupdate.h> #include <linux/profile.h> #include <linux/notifier.h> @@ -45,7 +47,7 @@ static int lowmem_adj[6] = { 12, }; static int lowmem_adj_size = 4; -static size_t lowmem_minfree[6] = { +static int lowmem_minfree[6] = { 3 * 512, /* 6MB */ 2 * 1024, /* 8MB */ 4 * 1024, /* 16MB */ @@ -73,23 +75,23 @@ static int task_notify_func(struct notifier_block *self, unsigned long val, void *data) { struct task_struct *task = data; - if (task == lowmem_deathpending) { + + if (task == lowmem_deathpending) lowmem_deathpending = NULL; - task_handoff_unregister(&task_nb); - } + return NOTIFY_OK; } static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc) { - struct task_struct *p; + struct task_struct *tsk; struct task_struct *selected = NULL; int rem = 0; int tasksize; int i; - int min_adj = OOM_ADJUST_MAX + 1; + int min_score_adj = OOM_SCORE_ADJ_MAX + 1; int selected_tasksize = 0; - int selected_oom_adj; + int selected_oom_score_adj; int array_size = ARRAY_SIZE(lowmem_adj); int other_free = global_page_state(NR_FREE_PAGES); int other_file = global_page_state(NR_FILE_PAGES) - @@ -115,80 +117,77 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc) for (i = 0; i < array_size; i++) { if (other_free < lowmem_minfree[i] && other_file < lowmem_minfree[i]) { - min_adj = lowmem_adj[i]; + min_score_adj = lowmem_adj[i]; break; } } if (sc->nr_to_scan > 0) lowmem_print(3, "lowmem_shrink %lu, %x, ofree %d %d, ma %d\n", sc->nr_to_scan, sc->gfp_mask, other_free, - other_file, min_adj); + other_file, min_score_adj); rem = global_page_state(NR_ACTIVE_ANON) + global_page_state(NR_ACTIVE_FILE) + global_page_state(NR_INACTIVE_ANON) + global_page_state(NR_INACTIVE_FILE); - if (sc->nr_to_scan <= 0 || min_adj == OOM_ADJUST_MAX + 1) { + if (sc->nr_to_scan <= 0 || min_score_adj == OOM_SCORE_ADJ_MAX + 1) { lowmem_print(5, "lowmem_shrink %lu, %x, return %d\n", sc->nr_to_scan, sc->gfp_mask, rem); return rem; } - selected_oom_adj = min_adj; - - read_lock(&tasklist_lock); - for_each_process(p) { - struct mm_struct *mm; - struct signal_struct *sig; - int oom_adj; - - task_lock(p); - mm = p->mm; - sig = p->signal; - if (!mm || !sig) { - task_unlock(p); + selected_oom_score_adj = min_score_adj; + + rcu_read_lock(); + for_each_process(tsk) { + struct task_struct *p; + int oom_score_adj; + + if (tsk->flags & PF_KTHREAD) continue; - } - oom_adj = sig->oom_adj; - if (oom_adj < min_adj) { + + p = find_lock_task_mm(tsk); + if (!p) + continue; + + oom_score_adj = p->signal->oom_score_adj; + if (oom_score_adj < min_score_adj) { task_unlock(p); continue; } - tasksize = get_mm_rss(mm); + tasksize = get_mm_rss(p->mm); task_unlock(p); if (tasksize <= 0) continue; if (selected) { - if (oom_adj < selected_oom_adj) + if (oom_score_adj < selected_oom_score_adj) continue; - if (oom_adj == selected_oom_adj && + if (oom_score_adj == selected_oom_score_adj && tasksize <= selected_tasksize) continue; } selected = p; selected_tasksize = tasksize; - selected_oom_adj = oom_adj; + selected_oom_score_adj = oom_score_adj; lowmem_print(2, "select %d (%s), adj %d, size %d, to kill\n", - p->pid, p->comm, oom_adj, tasksize); + p->pid, p->comm, oom_score_adj, tasksize); } if (selected) { lowmem_print(1, "send sigkill to %d (%s), adj %d, size %d\n", selected->pid, selected->comm, - selected_oom_adj, selected_tasksize); + selected_oom_score_adj, selected_tasksize); /* - * If CONFIG_PROFILING is off, then task_handoff_register() - * is a nop. In that case we don't want to stall the killer - * by setting lowmem_deathpending. + * If CONFIG_PROFILING is off, then we don't want to stall + * the killer by setting lowmem_deathpending. */ #ifdef CONFIG_PROFILING lowmem_deathpending = selected; lowmem_deathpending_timeout = jiffies + HZ; - task_handoff_register(&task_nb); #endif - force_sig(SIGKILL, selected); + send_sig(SIGKILL, selected, 0); rem -= selected_tasksize; } lowmem_print(4, "lowmem_shrink %lu, %x, return %d\n", sc->nr_to_scan, sc->gfp_mask, rem); - read_unlock(&tasklist_lock); + rcu_read_unlock(); return rem; } @@ -199,6 +198,7 @@ static struct shrinker lowmem_shrinker = { static int __init lowmem_init(void) { + task_handoff_register(&task_nb); register_shrinker(&lowmem_shrinker); return 0; } @@ -206,6 +206,7 @@ static int __init lowmem_init(void) static void __exit lowmem_exit(void) { unregister_shrinker(&lowmem_shrinker); + task_handoff_unregister(&task_nb); } module_param_named(cost, lowmem_shrinker.seeks, int, S_IRUGO | S_IWUSR); diff --git a/drivers/staging/android/persistent_ram.c b/drivers/staging/android/persistent_ram.c new file mode 100644 index 00000000000..e08f2574e30 --- /dev/null +++ b/drivers/staging/android/persistent_ram.c @@ -0,0 +1,470 @@ +/* + * Copyright (C) 2012 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/device.h> +#include <linux/err.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/list.h> +#include <linux/memblock.h> +#include <linux/rslib.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> +#include "persistent_ram.h" + +struct persistent_ram_buffer { + uint32_t sig; + atomic_t start; + atomic_t size; + uint8_t data[0]; +}; + +#define PERSISTENT_RAM_SIG (0x43474244) /* DBGC */ + +static __initdata LIST_HEAD(persistent_ram_list); + +static inline size_t buffer_size(struct persistent_ram_zone *prz) +{ + return atomic_read(&prz->buffer->size); +} + +static inline size_t buffer_start(struct persistent_ram_zone *prz) +{ + return atomic_read(&prz->buffer->start); +} + +/* increase and wrap the start pointer, returning the old value */ +static inline size_t buffer_start_add(struct persistent_ram_zone *prz, size_t a) +{ + int old; + int new; + + do { + old = atomic_read(&prz->buffer->start); + new = old + a; + while (unlikely(new > prz->buffer_size)) + new -= prz->buffer_size; + } while (atomic_cmpxchg(&prz->buffer->start, old, new) != old); + + return old; +} + +/* increase the size counter until it hits the max size */ +static inline void buffer_size_add(struct persistent_ram_zone *prz, size_t a) +{ + size_t old; + size_t new; + + if (atomic_read(&prz->buffer->size) == prz->buffer_size) + return; + + do { + old = atomic_read(&prz->buffer->size); + new = old + a; + if (new > prz->buffer_size) + new = prz->buffer_size; + } while (atomic_cmpxchg(&prz->buffer->size, old, new) != old); +} + +/* increase the size counter, retuning an error if it hits the max size */ +static inline ssize_t buffer_size_add_clamp(struct persistent_ram_zone *prz, + size_t a) +{ + size_t old; + size_t new; + + do { + old = atomic_read(&prz->buffer->size); + new = old + a; + if (new > prz->buffer_size) + return -ENOMEM; + } while (atomic_cmpxchg(&prz->buffer->size, old, new) != old); + + return 0; +} + +static void notrace persistent_ram_encode_rs8(struct persistent_ram_zone *prz, + uint8_t *data, size_t len, uint8_t *ecc) +{ + int i; + uint16_t par[prz->ecc_size]; + + /* Initialize the parity buffer */ + memset(par, 0, sizeof(par)); + encode_rs8(prz->rs_decoder, data, len, par, 0); + for (i = 0; i < prz->ecc_size; i++) + ecc[i] = par[i]; +} + +static int persistent_ram_decode_rs8(struct persistent_ram_zone *prz, + void *data, size_t len, uint8_t *ecc) +{ + int i; + uint16_t par[prz->ecc_size]; + + for (i = 0; i < prz->ecc_size; i++) + par[i] = ecc[i]; + return decode_rs8(prz->rs_decoder, data, par, len, + NULL, 0, NULL, 0, NULL); +} + +static void notrace persistent_ram_update_ecc(struct persistent_ram_zone *prz, + unsigned int start, unsigned int count) +{ + struct persistent_ram_buffer *buffer = prz->buffer; + uint8_t *buffer_end = buffer->data + prz->buffer_size; + uint8_t *block; + uint8_t *par; + int ecc_block_size = prz->ecc_block_size; + int ecc_size = prz->ecc_size; + int size = prz->ecc_block_size; + + if (!prz->ecc) + return; + + block = buffer->data + (start & ~(ecc_block_size - 1)); + par = prz->par_buffer + (start / ecc_block_size) * prz->ecc_size; + + do { + if (block + ecc_block_size > buffer_end) + size = buffer_end - block; + persistent_ram_encode_rs8(prz, block, size, par); + block += ecc_block_size; + par += ecc_size; + } while (block < buffer->data + start + count); +} + +static void persistent_ram_update_header_ecc(struct persistent_ram_zone *prz) +{ + struct persistent_ram_buffer *buffer = prz->buffer; + + if (!prz->ecc) + return; + + persistent_ram_encode_rs8(prz, (uint8_t *)buffer, sizeof(*buffer), + prz->par_header); +} + +static void persistent_ram_ecc_old(struct persistent_ram_zone *prz) +{ + struct persistent_ram_buffer *buffer = prz->buffer; + uint8_t *block; + uint8_t *par; + + if (!prz->ecc) + return; + + block = buffer->data; + par = prz->par_buffer; + while (block < buffer->data + buffer_size(prz)) { + int numerr; + int size = prz->ecc_block_size; + if (block + size > buffer->data + prz->buffer_size) + size = buffer->data + prz->buffer_size - block; + numerr = persistent_ram_decode_rs8(prz, block, size, par); + if (numerr > 0) { + pr_devel("persistent_ram: error in block %p, %d\n", + block, numerr); + prz->corrected_bytes += numerr; + } else if (numerr < 0) { + pr_devel("persistent_ram: uncorrectable error in block %p\n", + block); + prz->bad_blocks++; + } + block += prz->ecc_block_size; + par += prz->ecc_size; + } +} + +static int persistent_ram_init_ecc(struct persistent_ram_zone *prz, + size_t buffer_size) +{ + int numerr; + struct persistent_ram_buffer *buffer = prz->buffer; + int ecc_blocks; + + if (!prz->ecc) + return 0; + + prz->ecc_block_size = 128; + prz->ecc_size = 16; + prz->ecc_symsize = 8; + prz->ecc_poly = 0x11d; + + ecc_blocks = DIV_ROUND_UP(prz->buffer_size, prz->ecc_block_size); + prz->buffer_size -= (ecc_blocks + 1) * prz->ecc_size; + + if (prz->buffer_size > buffer_size) { + pr_err("persistent_ram: invalid size %zu, non-ecc datasize %zu\n", + buffer_size, prz->buffer_size); + return -EINVAL; + } + + prz->par_buffer = buffer->data + prz->buffer_size; + prz->par_header = prz->par_buffer + ecc_blocks * prz->ecc_size; + + /* + * first consecutive root is 0 + * primitive element to generate roots = 1 + */ + prz->rs_decoder = init_rs(prz->ecc_symsize, prz->ecc_poly, 0, 1, + prz->ecc_size); + if (prz->rs_decoder == NULL) { + pr_info("persistent_ram: init_rs failed\n"); + return -EINVAL; + } + + prz->corrected_bytes = 0; + prz->bad_blocks = 0; + + numerr = persistent_ram_decode_rs8(prz, buffer, sizeof(*buffer), + prz->par_header); + if (numerr > 0) { + pr_info("persistent_ram: error in header, %d\n", numerr); + prz->corrected_bytes += numerr; + } else if (numerr < 0) { + pr_info("persistent_ram: uncorrectable error in header\n"); + prz->bad_blocks++; + } + + return 0; +} + +ssize_t persistent_ram_ecc_string(struct persistent_ram_zone *prz, + char *str, size_t len) +{ + ssize_t ret; + + if (prz->corrected_bytes || prz->bad_blocks) + ret = snprintf(str, len, "" + "\n%d Corrected bytes, %d unrecoverable blocks\n", + prz->corrected_bytes, prz->bad_blocks); + else + ret = snprintf(str, len, "\nNo errors detected\n"); + + return ret; +} + +static void notrace persistent_ram_update(struct persistent_ram_zone *prz, + const void *s, unsigned int start, unsigned int count) +{ + struct persistent_ram_buffer *buffer = prz->buffer; + memcpy(buffer->data + start, s, count); + persistent_ram_update_ecc(prz, start, count); +} + +static void __init +persistent_ram_save_old(struct persistent_ram_zone *prz) +{ + struct persistent_ram_buffer *buffer = prz->buffer; + size_t size = buffer_size(prz); + size_t start = buffer_start(prz); + char *dest; + + persistent_ram_ecc_old(prz); + + dest = kmalloc(size, GFP_KERNEL); + if (dest == NULL) { + pr_err("persistent_ram: failed to allocate buffer\n"); + return; + } + + prz->old_log = dest; + prz->old_log_size = size; + memcpy(prz->old_log, &buffer->data[start], size - start); + memcpy(prz->old_log + size - start, &buffer->data[0], start); +} + +int notrace persistent_ram_write(struct persistent_ram_zone *prz, + const void *s, unsigned int count) +{ + int rem; + int c = count; + size_t start; + + if (unlikely(c > prz->buffer_size)) { + s += c - prz->buffer_size; + c = prz->buffer_size; + } + + buffer_size_add_clamp(prz, c); + + start = buffer_start_add(prz, c); + + rem = prz->buffer_size - start; + if (unlikely(rem < c)) { + persistent_ram_update(prz, s, start, rem); + s += rem; + c -= rem; + start = 0; + } + persistent_ram_update(prz, s, start, c); + + persistent_ram_update_header_ecc(prz); + + return count; +} + +size_t persistent_ram_old_size(struct persistent_ram_zone *prz) +{ + return prz->old_log_size; +} + +void *persistent_ram_old(struct persistent_ram_zone *prz) +{ + return prz->old_log; +} + +void persistent_ram_free_old(struct persistent_ram_zone *prz) +{ + kfree(prz->old_log); + prz->old_log = NULL; + prz->old_log_size = 0; +} + +static int persistent_ram_buffer_map(phys_addr_t start, phys_addr_t size, + struct persistent_ram_zone *prz) +{ + struct page **pages; + phys_addr_t page_start; + unsigned int page_count; + pgprot_t prot; + unsigned int i; + + page_start = start - offset_in_page(start); + page_count = DIV_ROUND_UP(size + offset_in_page(start), PAGE_SIZE); + + prot = pgprot_noncached(PAGE_KERNEL); + + pages = kmalloc(sizeof(struct page *) * page_count, GFP_KERNEL); + if (!pages) { + pr_err("%s: Failed to allocate array for %u pages\n", __func__, + page_count); + return -ENOMEM; + } + + for (i = 0; i < page_count; i++) { + phys_addr_t addr = page_start + i * PAGE_SIZE; + pages[i] = pfn_to_page(addr >> PAGE_SHIFT); + } + prz->vaddr = vmap(pages, page_count, VM_MAP, prot); + kfree(pages); + if (!prz->vaddr) { + pr_err("%s: Failed to map %u pages\n", __func__, page_count); + return -ENOMEM; + } + + prz->buffer = prz->vaddr + offset_in_page(start); + prz->buffer_size = size - sizeof(struct persistent_ram_buffer); + + return 0; +} + +static int __init persistent_ram_buffer_init(const char *name, + struct persistent_ram_zone *prz) +{ + int i; + struct persistent_ram *ram; + struct persistent_ram_descriptor *desc; + phys_addr_t start; + + list_for_each_entry(ram, &persistent_ram_list, node) { + start = ram->start; + for (i = 0; i < ram->num_descs; i++) { + desc = &ram->descs[i]; + if (!strcmp(desc->name, name)) + return persistent_ram_buffer_map(start, + desc->size, prz); + start += desc->size; + } + } + + return -EINVAL; +} + +static __init +struct persistent_ram_zone *__persistent_ram_init(struct device *dev, bool ecc) +{ + struct persistent_ram_zone *prz; + int ret; + + prz = kzalloc(sizeof(struct persistent_ram_zone), GFP_KERNEL); + if (!prz) { + pr_err("persistent_ram: failed to allocate persistent ram zone\n"); + return ERR_PTR(-ENOMEM); + } + + INIT_LIST_HEAD(&prz->node); + + ret = persistent_ram_buffer_init(dev_name(dev), prz); + if (ret) { + pr_err("persistent_ram: failed to initialize buffer\n"); + return ERR_PTR(ret); + } + + prz->ecc = ecc; + ret = persistent_ram_init_ecc(prz, prz->buffer_size); + if (ret) + return ERR_PTR(ret); + + if (prz->buffer->sig == PERSISTENT_RAM_SIG) { + if (buffer_size(prz) > prz->buffer_size || + buffer_start(prz) > buffer_size(prz)) + pr_info("persistent_ram: found existing invalid buffer," + " size %ld, start %ld\n", + buffer_size(prz), buffer_start(prz)); + else { + pr_info("persistent_ram: found existing buffer," + " size %ld, start %ld\n", + buffer_size(prz), buffer_start(prz)); + persistent_ram_save_old(prz); + } + } else { + pr_info("persistent_ram: no valid data in buffer" + " (sig = 0x%08x)\n", prz->buffer->sig); + } + + prz->buffer->sig = PERSISTENT_RAM_SIG; + atomic_set(&prz->buffer->start, 0); + atomic_set(&prz->buffer->size, 0); + + return prz; +} + +struct persistent_ram_zone * __init +persistent_ram_init_ringbuffer(struct device *dev, bool ecc) +{ + return __persistent_ram_init(dev, ecc); +} + +int __init persistent_ram_early_init(struct persistent_ram *ram) +{ + int ret; + + ret = memblock_reserve(ram->start, ram->size); + if (ret) { + pr_err("Failed to reserve persistent memory from %08lx-%08lx\n", + (long)ram->start, (long)(ram->start + ram->size - 1)); + return ret; + } + + list_add_tail(&ram->node, &persistent_ram_list); + + pr_info("Initialized persistent memory from %08lx-%08lx\n", + (long)ram->start, (long)(ram->start + ram->size - 1)); + + return 0; +} diff --git a/drivers/staging/android/persistent_ram.h b/drivers/staging/android/persistent_ram.h new file mode 100644 index 00000000000..f41e2086c64 --- /dev/null +++ b/drivers/staging/android/persistent_ram.h @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2011 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __LINUX_PERSISTENT_RAM_H__ +#define __LINUX_PERSISTENT_RAM_H__ + +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/types.h> + +struct persistent_ram_buffer; + +struct persistent_ram_descriptor { + const char *name; + phys_addr_t size; +}; + +struct persistent_ram { + phys_addr_t start; + phys_addr_t size; + + int num_descs; + struct persistent_ram_descriptor *descs; + + struct list_head node; +}; + +struct persistent_ram_zone { + struct list_head node; + void *vaddr; + struct persistent_ram_buffer *buffer; + size_t buffer_size; + + /* ECC correction */ + bool ecc; + char *par_buffer; + char *par_header; + struct rs_control *rs_decoder; + int corrected_bytes; + int bad_blocks; + int ecc_block_size; + int ecc_size; + int ecc_symsize; + int ecc_poly; + + char *old_log; + size_t old_log_size; + size_t old_log_footer_size; + bool early; +}; + +int persistent_ram_early_init(struct persistent_ram *ram); + +struct persistent_ram_zone *persistent_ram_init_ringbuffer(struct device *dev, + bool ecc); + +int persistent_ram_write(struct persistent_ram_zone *prz, const void *s, + unsigned int count); + +size_t persistent_ram_old_size(struct persistent_ram_zone *prz); +void *persistent_ram_old(struct persistent_ram_zone *prz); +void persistent_ram_free_old(struct persistent_ram_zone *prz); +ssize_t persistent_ram_ecc_string(struct persistent_ram_zone *prz, + char *str, size_t len); + +#endif diff --git a/drivers/staging/android/ram_console.c b/drivers/staging/android/ram_console.c index 6d4d67924f2..ce140ffc54e 100644 --- a/drivers/staging/android/ram_console.c +++ b/drivers/staging/android/ram_console.c @@ -21,129 +21,24 @@ #include <linux/string.h> #include <linux/uaccess.h> #include <linux/io.h> +#include "persistent_ram.h" #include "ram_console.h" -#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION -#include <linux/rslib.h> -#endif - -struct ram_console_buffer { - uint32_t sig; - uint32_t start; - uint32_t size; - uint8_t data[0]; -}; - -#define RAM_CONSOLE_SIG (0x43474244) /* DBGC */ - -#ifdef CONFIG_ANDROID_RAM_CONSOLE_EARLY_INIT -static char __initdata - ram_console_old_log_init_buffer[CONFIG_ANDROID_RAM_CONSOLE_EARLY_SIZE]; -#endif -static char *ram_console_old_log; -static size_t ram_console_old_log_size; - -static struct ram_console_buffer *ram_console_buffer; -static size_t ram_console_buffer_size; -#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION -static char *ram_console_par_buffer; -static struct rs_control *ram_console_rs_decoder; -static int ram_console_corrected_bytes; -static int ram_console_bad_blocks; -#define ECC_BLOCK_SIZE CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION_DATA_SIZE -#define ECC_SIZE CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION_ECC_SIZE -#define ECC_SYMSIZE CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE -#define ECC_POLY CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION_POLYNOMIAL -#endif - -#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION -static void ram_console_encode_rs8(uint8_t *data, size_t len, uint8_t *ecc) -{ - int i; - uint16_t par[ECC_SIZE]; - /* Initialize the parity buffer */ - memset(par, 0, sizeof(par)); - encode_rs8(ram_console_rs_decoder, data, len, par, 0); - for (i = 0; i < ECC_SIZE; i++) - ecc[i] = par[i]; -} - -static int ram_console_decode_rs8(void *data, size_t len, uint8_t *ecc) -{ - int i; - uint16_t par[ECC_SIZE]; - for (i = 0; i < ECC_SIZE; i++) - par[i] = ecc[i]; - return decode_rs8(ram_console_rs_decoder, data, par, len, - NULL, 0, NULL, 0, NULL); -} -#endif - -static void ram_console_update(const char *s, unsigned int count) -{ - struct ram_console_buffer *buffer = ram_console_buffer; -#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION - uint8_t *buffer_end = buffer->data + ram_console_buffer_size; - uint8_t *block; - uint8_t *par; - int size = ECC_BLOCK_SIZE; -#endif - memcpy(buffer->data + buffer->start, s, count); -#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION - block = buffer->data + (buffer->start & ~(ECC_BLOCK_SIZE - 1)); - par = ram_console_par_buffer + - (buffer->start / ECC_BLOCK_SIZE) * ECC_SIZE; - do { - if (block + ECC_BLOCK_SIZE > buffer_end) - size = buffer_end - block; - ram_console_encode_rs8(block, size, par); - block += ECC_BLOCK_SIZE; - par += ECC_SIZE; - } while (block < buffer->data + buffer->start + count); -#endif -} - -static void ram_console_update_header(void) -{ -#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION - struct ram_console_buffer *buffer = ram_console_buffer; - uint8_t *par; - par = ram_console_par_buffer + - DIV_ROUND_UP(ram_console_buffer_size, ECC_BLOCK_SIZE) * ECC_SIZE; - ram_console_encode_rs8((uint8_t *)buffer, sizeof(*buffer), par); -#endif -} +static struct persistent_ram_zone *ram_console_zone; +static const char *bootinfo; +static size_t bootinfo_size; static void ram_console_write(struct console *console, const char *s, unsigned int count) { - int rem; - struct ram_console_buffer *buffer = ram_console_buffer; - - if (count > ram_console_buffer_size) { - s += count - ram_console_buffer_size; - count = ram_console_buffer_size; - } - rem = ram_console_buffer_size - buffer->start; - if (rem < count) { - ram_console_update(s, rem); - s += rem; - count -= rem; - buffer->start = 0; - buffer->size = ram_console_buffer_size; - } - ram_console_update(s, count); - - buffer->start += count; - if (buffer->size < ram_console_buffer_size) - buffer->size += count; - ram_console_update_header(); + struct persistent_ram_zone *prz = console->data; + persistent_ram_write(prz, s, count); } static struct console ram_console = { .name = "ram", .write = ram_console_write, - .flags = CON_PRINTBUFFER | CON_ENABLED, + .flags = CON_PRINTBUFFER | CON_ENABLED | CON_ANYTIME, .index = -1, }; @@ -155,220 +50,31 @@ void ram_console_enable_console(int enabled) ram_console.flags &= ~CON_ENABLED; } -static void __init -ram_console_save_old(struct ram_console_buffer *buffer, const char *bootinfo, - char *dest) -{ - size_t old_log_size = buffer->size; - size_t bootinfo_size = 0; - size_t total_size = old_log_size; - char *ptr; - const char *bootinfo_label = "Boot info:\n"; - -#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION - uint8_t *block; - uint8_t *par; - char strbuf[80]; - int strbuf_len = 0; - - block = buffer->data; - par = ram_console_par_buffer; - while (block < buffer->data + buffer->size) { - int numerr; - int size = ECC_BLOCK_SIZE; - if (block + size > buffer->data + ram_console_buffer_size) - size = buffer->data + ram_console_buffer_size - block; - numerr = ram_console_decode_rs8(block, size, par); - if (numerr > 0) { -#if 0 - printk(KERN_INFO "ram_console: error in block %p, %d\n", - block, numerr); -#endif - ram_console_corrected_bytes += numerr; - } else if (numerr < 0) { -#if 0 - printk(KERN_INFO "ram_console: uncorrectable error in " - "block %p\n", block); -#endif - ram_console_bad_blocks++; - } - block += ECC_BLOCK_SIZE; - par += ECC_SIZE; - } - if (ram_console_corrected_bytes || ram_console_bad_blocks) - strbuf_len = snprintf(strbuf, sizeof(strbuf), - "\n%d Corrected bytes, %d unrecoverable blocks\n", - ram_console_corrected_bytes, ram_console_bad_blocks); - else - strbuf_len = snprintf(strbuf, sizeof(strbuf), - "\nNo errors detected\n"); - if (strbuf_len >= sizeof(strbuf)) - strbuf_len = sizeof(strbuf) - 1; - total_size += strbuf_len; -#endif - - if (bootinfo) - bootinfo_size = strlen(bootinfo) + strlen(bootinfo_label); - total_size += bootinfo_size; - - if (dest == NULL) { - dest = kmalloc(total_size, GFP_KERNEL); - if (dest == NULL) { - printk(KERN_ERR - "ram_console: failed to allocate buffer\n"); - return; - } - } - - ram_console_old_log = dest; - ram_console_old_log_size = total_size; - memcpy(ram_console_old_log, - &buffer->data[buffer->start], buffer->size - buffer->start); - memcpy(ram_console_old_log + buffer->size - buffer->start, - &buffer->data[0], buffer->start); - ptr = ram_console_old_log + old_log_size; -#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION - memcpy(ptr, strbuf, strbuf_len); - ptr += strbuf_len; -#endif - if (bootinfo) { - memcpy(ptr, bootinfo_label, strlen(bootinfo_label)); - ptr += strlen(bootinfo_label); - memcpy(ptr, bootinfo, bootinfo_size); - ptr += bootinfo_size; - } -} - -static int __init ram_console_init(struct ram_console_buffer *buffer, - size_t buffer_size, const char *bootinfo, - char *old_buf) +static int __init ram_console_probe(struct platform_device *pdev) { -#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION - int numerr; - uint8_t *par; -#endif - ram_console_buffer = buffer; - ram_console_buffer_size = - buffer_size - sizeof(struct ram_console_buffer); - - if (ram_console_buffer_size > buffer_size) { - pr_err("ram_console: buffer %p, invalid size %zu, " - "datasize %zu\n", buffer, buffer_size, - ram_console_buffer_size); - return 0; - } - -#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION - ram_console_buffer_size -= (DIV_ROUND_UP(ram_console_buffer_size, - ECC_BLOCK_SIZE) + 1) * ECC_SIZE; - - if (ram_console_buffer_size > buffer_size) { - pr_err("ram_console: buffer %p, invalid size %zu, " - "non-ecc datasize %zu\n", - buffer, buffer_size, ram_console_buffer_size); - return 0; - } - - ram_console_par_buffer = buffer->data + ram_console_buffer_size; - - - /* first consecutive root is 0 - * primitive element to generate roots = 1 - */ - ram_console_rs_decoder = init_rs(ECC_SYMSIZE, ECC_POLY, 0, 1, ECC_SIZE); - if (ram_console_rs_decoder == NULL) { - printk(KERN_INFO "ram_console: init_rs failed\n"); - return 0; - } - - ram_console_corrected_bytes = 0; - ram_console_bad_blocks = 0; + struct ram_console_platform_data *pdata = pdev->dev.platform_data; + struct persistent_ram_zone *prz; - par = ram_console_par_buffer + - DIV_ROUND_UP(ram_console_buffer_size, ECC_BLOCK_SIZE) * ECC_SIZE; + prz = persistent_ram_init_ringbuffer(&pdev->dev, true); + if (IS_ERR(prz)) + return PTR_ERR(prz); - numerr = ram_console_decode_rs8(buffer, sizeof(*buffer), par); - if (numerr > 0) { - printk(KERN_INFO "ram_console: error in header, %d\n", numerr); - ram_console_corrected_bytes += numerr; - } else if (numerr < 0) { - printk(KERN_INFO - "ram_console: uncorrectable error in header\n"); - ram_console_bad_blocks++; - } -#endif - if (buffer->sig == RAM_CONSOLE_SIG) { - if (buffer->size > ram_console_buffer_size - || buffer->start > buffer->size) - printk(KERN_INFO "ram_console: found existing invalid " - "buffer, size %d, start %d\n", - buffer->size, buffer->start); - else { - printk(KERN_INFO "ram_console: found existing buffer, " - "size %d, start %d\n", - buffer->size, buffer->start); - ram_console_save_old(buffer, bootinfo, old_buf); - } - } else { - printk(KERN_INFO "ram_console: no valid data in buffer " - "(sig = 0x%08x)\n", buffer->sig); + if (pdata) { + bootinfo = kstrdup(pdata->bootinfo, GFP_KERNEL); + if (bootinfo) + bootinfo_size = strlen(bootinfo); } - buffer->sig = RAM_CONSOLE_SIG; - buffer->start = 0; - buffer->size = 0; + ram_console_zone = prz; + ram_console.data = prz; register_console(&ram_console); -#ifdef CONFIG_ANDROID_RAM_CONSOLE_ENABLE_VERBOSE - console_verbose(); -#endif - return 0; -} -#ifdef CONFIG_ANDROID_RAM_CONSOLE_EARLY_INIT -static int __init ram_console_early_init(void) -{ - return ram_console_init((struct ram_console_buffer *) - CONFIG_ANDROID_RAM_CONSOLE_EARLY_ADDR, - CONFIG_ANDROID_RAM_CONSOLE_EARLY_SIZE, - NULL, - ram_console_old_log_init_buffer); -} -#else -static int ram_console_driver_probe(struct platform_device *pdev) -{ - struct resource *res = pdev->resource; - size_t start; - size_t buffer_size; - void *buffer; - const char *bootinfo = NULL; - struct ram_console_platform_data *pdata = pdev->dev.platform_data; - - if (res == NULL || pdev->num_resources != 1 || - !(res->flags & IORESOURCE_MEM)) { - printk(KERN_ERR "ram_console: invalid resource, %p %d flags " - "%lx\n", res, pdev->num_resources, res ? res->flags : 0); - return -ENXIO; - } - buffer_size = res->end - res->start + 1; - start = res->start; - printk(KERN_INFO "ram_console: got buffer at %zx, size %zx\n", - start, buffer_size); - buffer = ioremap(res->start, buffer_size); - if (buffer == NULL) { - printk(KERN_ERR "ram_console: failed to map memory\n"); - return -ENOMEM; - } - - if (pdata) - bootinfo = pdata->bootinfo; - - return ram_console_init(buffer, buffer_size, bootinfo, NULL/* allocate */); + return 0; } static struct platform_driver ram_console_driver = { - .probe = ram_console_driver_probe, .driver = { .name = "ram_console", }, @@ -376,10 +82,11 @@ static struct platform_driver ram_console_driver = { static int __init ram_console_module_init(void) { - int err; - err = platform_driver_register(&ram_console_driver); - return err; + return platform_driver_probe(&ram_console_driver, ram_console_probe); } + +#ifndef CONFIG_PRINTK +#define dmesg_restrict 0 #endif static ssize_t ram_console_read_old(struct file *file, char __user *buf, @@ -387,14 +94,52 @@ static ssize_t ram_console_read_old(struct file *file, char __user *buf, { loff_t pos = *offset; ssize_t count; + struct persistent_ram_zone *prz = ram_console_zone; + size_t old_log_size = persistent_ram_old_size(prz); + const char *old_log = persistent_ram_old(prz); + char *str; + int ret; + + if (dmesg_restrict && !capable(CAP_SYSLOG)) + return -EPERM; + + /* Main last_kmsg log */ + if (pos < old_log_size) { + count = min(len, (size_t)(old_log_size - pos)); + if (copy_to_user(buf, old_log + pos, count)) + return -EFAULT; + goto out; + } - if (pos >= ram_console_old_log_size) - return 0; + /* ECC correction notice */ + pos -= old_log_size; + count = persistent_ram_ecc_string(prz, NULL, 0); + if (pos < count) { + str = kmalloc(count, GFP_KERNEL); + if (!str) + return -ENOMEM; + persistent_ram_ecc_string(prz, str, count + 1); + count = min(len, (size_t)(count - pos)); + ret = copy_to_user(buf, str + pos, count); + kfree(str); + if (ret) + return -EFAULT; + goto out; + } + + /* Boot info passed through pdata */ + pos -= count; + if (pos < bootinfo_size) { + count = min(len, (size_t)(bootinfo_size - pos)); + if (copy_to_user(buf, bootinfo + pos, count)) + return -EFAULT; + goto out; + } - count = min(len, (size_t)(ram_console_old_log_size - pos)); - if (copy_to_user(buf, ram_console_old_log + pos, count)) - return -EFAULT; + /* EOF */ + return 0; +out: *offset += count; return count; } @@ -407,37 +152,28 @@ static const struct file_operations ram_console_file_ops = { static int __init ram_console_late_init(void) { struct proc_dir_entry *entry; + struct persistent_ram_zone *prz = ram_console_zone; - if (ram_console_old_log == NULL) + if (!prz) return 0; -#ifdef CONFIG_ANDROID_RAM_CONSOLE_EARLY_INIT - ram_console_old_log = kmalloc(ram_console_old_log_size, GFP_KERNEL); - if (ram_console_old_log == NULL) { - printk(KERN_ERR - "ram_console: failed to allocate buffer for old log\n"); - ram_console_old_log_size = 0; + + if (persistent_ram_old_size(prz) == 0) return 0; - } - memcpy(ram_console_old_log, - ram_console_old_log_init_buffer, ram_console_old_log_size); -#endif + entry = create_proc_entry("last_kmsg", S_IFREG | S_IRUGO, NULL); if (!entry) { printk(KERN_ERR "ram_console: failed to create proc entry\n"); - kfree(ram_console_old_log); - ram_console_old_log = NULL; + persistent_ram_free_old(prz); return 0; } entry->proc_fops = &ram_console_file_ops; - entry->size = ram_console_old_log_size; + entry->size = persistent_ram_old_size(prz) + + persistent_ram_ecc_string(prz, NULL, 0) + + bootinfo_size; + return 0; } -#ifdef CONFIG_ANDROID_RAM_CONSOLE_EARLY_INIT -console_initcall(ram_console_early_init); -#else -postcore_initcall(ram_console_module_init); -#endif late_initcall(ram_console_late_init); - +postcore_initcall(ram_console_module_init); diff --git a/drivers/staging/android/timed_gpio.c b/drivers/staging/android/timed_gpio.c index a64481c3e86..bc723eff11a 100644 --- a/drivers/staging/android/timed_gpio.c +++ b/drivers/staging/android/timed_gpio.c @@ -29,9 +29,9 @@ struct timed_gpio_data { struct timed_output_dev dev; struct hrtimer timer; spinlock_t lock; - unsigned gpio; - int max_timeout; - u8 active_low; + unsigned gpio; + int max_timeout; + u8 active_low; }; static enum hrtimer_restart gpio_timer_func(struct hrtimer *timer) diff --git a/drivers/staging/android/timed_gpio.h b/drivers/staging/android/timed_gpio.h index a0e15f8be3f..d29e169d7eb 100644 --- a/drivers/staging/android/timed_gpio.h +++ b/drivers/staging/android/timed_gpio.h @@ -20,13 +20,13 @@ struct timed_gpio { const char *name; - unsigned gpio; + unsigned gpio; int max_timeout; - u8 active_low; + u8 active_low; }; struct timed_gpio_platform_data { - int num_gpios; + int num_gpios; struct timed_gpio *gpios; }; diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c index 1df9586f273..83549d9cfef 100644 --- a/drivers/staging/asus_oled/asus_oled.c +++ b/drivers/staging/asus_oled/asus_oled.c @@ -159,7 +159,6 @@ static void setup_packet_header(struct asus_oled_packet *packet, char flags, static void enable_oled(struct asus_oled_dev *odev, uint8_t enabl) { - int a; int retval; int act_len; struct asus_oled_packet *packet; @@ -178,17 +177,15 @@ static void enable_oled(struct asus_oled_dev *odev, uint8_t enabl) else packet->bitmap[0] = 0xae; - for (a = 0; a < 1; a++) { - retval = usb_bulk_msg(odev->udev, - usb_sndbulkpipe(odev->udev, 2), - packet, - sizeof(struct asus_oled_header) + 1, - &act_len, - -1); + retval = usb_bulk_msg(odev->udev, + usb_sndbulkpipe(odev->udev, 2), + packet, + sizeof(struct asus_oled_header) + 1, + &act_len, + -1); - if (retval) - dev_dbg(&odev->udev->dev, "retval = %d\n", retval); - } + if (retval) + dev_dbg(&odev->udev->dev, "retval = %d\n", retval); odev->enabled = enabl; diff --git a/drivers/staging/bcm/Bcmchar.c b/drivers/staging/bcm/Bcmchar.c index 179707b5e7c..cf305921695 100644 --- a/drivers/staging/bcm/Bcmchar.c +++ b/drivers/staging/bcm/Bcmchar.c @@ -728,14 +728,10 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg) if (IoBuffer.InputLength > MAX_CNTL_PKT_SIZE) return -EINVAL; - pvBuffer = kmalloc(IoBuffer.InputLength, GFP_KERNEL); - if (!pvBuffer) - return -ENOMEM; - - if (copy_from_user(pvBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength)) { - kfree(pvBuffer); - return -EFAULT; - } + pvBuffer = memdup_user(IoBuffer.InputBuffer, + IoBuffer.InputLength); + if (IS_ERR(pvBuffer)) + return PTR_ERR(pvBuffer); down(&Adapter->LowPowerModeSync); Status = wait_event_interruptible_timeout(Adapter->lowpower_mode_wait_queue, @@ -1140,15 +1136,10 @@ cntrlEnd: if (IoBuffer.InputLength < sizeof(ULONG) * 2) return -EINVAL; - pvBuffer = kmalloc(IoBuffer.InputLength, GFP_KERNEL); - if (!pvBuffer) - return -ENOMEM; - - /* Get WrmBuffer structure */ - if (copy_from_user(pvBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength)) { - kfree(pvBuffer); - return -EFAULT; - } + pvBuffer = memdup_user(IoBuffer.InputBuffer, + IoBuffer.InputLength); + if (IS_ERR(pvBuffer)) + return PTR_ERR(pvBuffer); pBulkBuffer = (PBULKWRM_BUFFER)pvBuffer; @@ -1302,20 +1293,18 @@ cntrlEnd: /* * Deny the access if the offset crosses the cal area limit. */ + if (stNVMReadWrite.uiNumBytes > Adapter->uiNVMDSDSize) + return STATUS_FAILURE; - if ((stNVMReadWrite.uiOffset + stNVMReadWrite.uiNumBytes) > Adapter->uiNVMDSDSize) { + if (stNVMReadWrite.uiOffset > Adapter->uiNVMDSDSize - stNVMReadWrite.uiNumBytes) { /* BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0,"Can't allow access beyond NVM Size: 0x%x 0x%x\n", stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes); */ return STATUS_FAILURE; } - pReadData = kzalloc(stNVMReadWrite.uiNumBytes, GFP_KERNEL); - if (!pReadData) - return -ENOMEM; - - if (copy_from_user(pReadData, stNVMReadWrite.pBuffer, stNVMReadWrite.uiNumBytes)) { - kfree(pReadData); - return -EFAULT; - } + pReadData = memdup_user(stNVMReadWrite.pBuffer, + stNVMReadWrite.uiNumBytes); + if (IS_ERR(pReadData)) + return PTR_ERR(pReadData); do_gettimeofday(&tv0); if (IOCTL_BCM_NVM_READ == cmd) { diff --git a/drivers/staging/bcm/CmHost.c b/drivers/staging/bcm/CmHost.c index c0ee95a7134..7e38af5e176 100644 --- a/drivers/staging/bcm/CmHost.c +++ b/drivers/staging/bcm/CmHost.c @@ -1,431 +1,359 @@ /************************************************************ -* CMHOST.C -* This file contains the routines for handling Connection -* Management. -************************************************************/ + * CMHOST.C + * This file contains the routines for handling Connection + * Management. + ************************************************************/ -//#define CONN_MSG +/* #define CONN_MSG */ #include "headers.h" -typedef enum _E_CLASSIFIER_ACTION -{ +enum E_CLASSIFIER_ACTION { eInvalidClassifierAction, eAddClassifier, eReplaceClassifier, eDeleteClassifier -}E_CLASSIFIER_ACTION; +}; -static ULONG GetNextTargetBufferLocation(PMINI_ADAPTER Adapter,B_UINT16 tid); +static ULONG GetNextTargetBufferLocation(PMINI_ADAPTER Adapter, B_UINT16 tid); /************************************************************ -* Function - SearchSfid -* -* Description - This routinue would search QOS queues having -* specified SFID as input parameter. -* -* Parameters - Adapter: Pointer to the Adapter structure -* uiSfid : Given SFID for matching -* -* Returns - Queue index for this SFID(If matched) - Else Invalid Queue Index(If Not matched) -************************************************************/ -INT SearchSfid(PMINI_ADAPTER Adapter,UINT uiSfid) + * Function - SearchSfid + * + * Description - This routinue would search QOS queues having + * specified SFID as input parameter. + * + * Parameters - Adapter: Pointer to the Adapter structure + * uiSfid : Given SFID for matching + * + * Returns - Queue index for this SFID(If matched) + * Else Invalid Queue Index(If Not matched) + ************************************************************/ +int SearchSfid(PMINI_ADAPTER Adapter, UINT uiSfid) { - INT iIndex=0; - for(iIndex=(NO_OF_QUEUES-1); iIndex>=0; iIndex--) - if(Adapter->PackInfo[iIndex].ulSFID==uiSfid) - return iIndex; + int i; + + for (i = (NO_OF_QUEUES-1); i >= 0; i--) + if (Adapter->PackInfo[i].ulSFID == uiSfid) + return i; + return NO_OF_QUEUES+1; } /*************************************************************** -* Function - SearchFreeSfid -* -* Description - This routinue would search Free available SFID. -* -* Parameter - Adapter: Pointer to the Adapter structure -* -* Returns - Queue index for the free SFID -* Else returns Invalid Index. -****************************************************************/ -static INT SearchFreeSfid(PMINI_ADAPTER Adapter) + * Function -SearchFreeSfid + * + * Description - This routinue would search Free available SFID. + * + * Parameter - Adapter: Pointer to the Adapter structure + * + * Returns - Queue index for the free SFID + * Else returns Invalid Index. + ****************************************************************/ +static int SearchFreeSfid(PMINI_ADAPTER Adapter) { - UINT uiIndex=0; + int i; + + for (i = 0; i < (NO_OF_QUEUES-1); i++) + if (Adapter->PackInfo[i].ulSFID == 0) + return i; - for(uiIndex=0; uiIndex < (NO_OF_QUEUES-1); uiIndex++) - if(Adapter->PackInfo[uiIndex].ulSFID==0) - return uiIndex; return NO_OF_QUEUES+1; } /* -Function: SearchClsid -Description: This routinue would search Classifier having specified ClassifierID as input parameter -Input parameters: PMINI_ADAPTER Adapter - Adapter Context - unsigned int uiSfid - The SF in which the classifier is to searched - B_UINT16 uiClassifierID - The classifier ID to be searched -Return: int :Classifier table index of matching entry -*/ - -static int SearchClsid(PMINI_ADAPTER Adapter,ULONG ulSFID,B_UINT16 uiClassifierID) + * Function: SearchClsid + * Description: This routinue would search Classifier having specified ClassifierID as input parameter + * Input parameters: PMINI_ADAPTER Adapter - Adapter Context + * unsigned int uiSfid - The SF in which the classifier is to searched + * B_UINT16 uiClassifierID - The classifier ID to be searched + * Return: int :Classifier table index of matching entry + */ +static int SearchClsid(PMINI_ADAPTER Adapter, ULONG ulSFID, B_UINT16 uiClassifierID) { - unsigned int uiClassifierIndex = 0; - for(uiClassifierIndex=0;uiClassifierIndex<MAX_CLASSIFIERS;uiClassifierIndex++) - { - if((Adapter->astClassifierTable[uiClassifierIndex].bUsed) && - (Adapter->astClassifierTable[uiClassifierIndex].uiClassifierRuleIndex == uiClassifierID)&& - (Adapter->astClassifierTable[uiClassifierIndex].ulSFID == ulSFID)) - return uiClassifierIndex; + int i; + + for (i = 0; i < MAX_CLASSIFIERS; i++) { + if ((Adapter->astClassifierTable[i].bUsed) && + (Adapter->astClassifierTable[i].uiClassifierRuleIndex == uiClassifierID) && + (Adapter->astClassifierTable[i].ulSFID == ulSFID)) + return i; } + return MAX_CLASSIFIERS+1; } -/** -@ingroup ctrl_pkt_functions -This routinue would search Free available Classifier entry in classifier table. -@return free Classifier Entry index in classifier table for specified SF -*/ -static int SearchFreeClsid(PMINI_ADAPTER Adapter /**Adapter Context*/ - ) +/* + * @ingroup ctrl_pkt_functions + * This routinue would search Free available Classifier entry in classifier table. + * @return free Classifier Entry index in classifier table for specified SF + */ +static int SearchFreeClsid(PMINI_ADAPTER Adapter /**Adapter Context*/) { - unsigned int uiClassifierIndex = 0; - for(uiClassifierIndex=0;uiClassifierIndex<MAX_CLASSIFIERS;uiClassifierIndex++) - { - if(!Adapter->astClassifierTable[uiClassifierIndex].bUsed) - return uiClassifierIndex; + int i; + + for (i = 0; i < MAX_CLASSIFIERS; i++) { + if (!Adapter->astClassifierTable[i].bUsed) + return i; } + return MAX_CLASSIFIERS+1; } static VOID deleteSFBySfid(PMINI_ADAPTER Adapter, UINT uiSearchRuleIndex) { - //deleting all the packet held in the SF - flush_queue(Adapter,uiSearchRuleIndex); + /* deleting all the packet held in the SF */ + flush_queue(Adapter, uiSearchRuleIndex); - //Deleting the all classifiers for this SF - DeleteAllClassifiersForSF(Adapter,uiSearchRuleIndex); + /* Deleting the all classifiers for this SF */ + DeleteAllClassifiersForSF(Adapter, uiSearchRuleIndex); - //Resetting only MIBS related entries in the SF + /* Resetting only MIBS related entries in the SF */ memset((PVOID)&Adapter->PackInfo[uiSearchRuleIndex], 0, sizeof(S_MIBS_SERVICEFLOW_TABLE)); } static inline VOID -CopyIpAddrToClassifier(S_CLASSIFIER_RULE *pstClassifierEntry , - B_UINT8 u8IpAddressLen , B_UINT8 *pu8IpAddressMaskSrc , - BOOLEAN bIpVersion6 , E_IPADDR_CONTEXT eIpAddrContext) +CopyIpAddrToClassifier(S_CLASSIFIER_RULE *pstClassifierEntry, + B_UINT8 u8IpAddressLen, B_UINT8 *pu8IpAddressMaskSrc, + BOOLEAN bIpVersion6, E_IPADDR_CONTEXT eIpAddrContext) { - UINT ucLoopIndex=0; - UINT nSizeOfIPAddressInBytes = IP_LENGTH_OF_ADDRESS; - UCHAR *ptrClassifierIpAddress = NULL; - UCHAR *ptrClassifierIpMask = NULL; - PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev); + int i = 0; + UINT nSizeOfIPAddressInBytes = IP_LENGTH_OF_ADDRESS; + UCHAR *ptrClassifierIpAddress = NULL; + UCHAR *ptrClassifierIpMask = NULL; + PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev); - if(bIpVersion6) - { + if (bIpVersion6) nSizeOfIPAddressInBytes = IPV6_ADDRESS_SIZEINBYTES; - } - //Destination Ip Address - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Ip Address Range Length:0x%X ", - u8IpAddressLen); - if((bIpVersion6?(IPV6_ADDRESS_SIZEINBYTES * MAX_IP_RANGE_LENGTH * 2): - (TOTAL_MASKED_ADDRESS_IN_BYTES)) >= u8IpAddressLen) - { + + /* Destination Ip Address */ + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Ip Address Range Length:0x%X ", u8IpAddressLen); + if ((bIpVersion6 ? (IPV6_ADDRESS_SIZEINBYTES * MAX_IP_RANGE_LENGTH * 2) : + (TOTAL_MASKED_ADDRESS_IN_BYTES)) >= u8IpAddressLen) { /* - //checking both the mask and address togethor in Classification. - //So length will be : TotalLengthInBytes/nSizeOfIPAddressInBytes * 2 - //(nSizeOfIPAddressInBytes for address and nSizeOfIPAddressInBytes for mask) - */ - if(eIpAddrContext == eDestIpAddress) - { - pstClassifierEntry->ucIPDestinationAddressLength = - u8IpAddressLen/(nSizeOfIPAddressInBytes * 2); - if(bIpVersion6) - { - ptrClassifierIpAddress = - pstClassifierEntry->stDestIpAddress.ucIpv6Address; - ptrClassifierIpMask = - pstClassifierEntry->stDestIpAddress.ucIpv6Mask; - } - else - { - ptrClassifierIpAddress = - pstClassifierEntry->stDestIpAddress.ucIpv4Address; - ptrClassifierIpMask = - pstClassifierEntry->stDestIpAddress.ucIpv4Mask; - } - } - else if(eIpAddrContext == eSrcIpAddress) - { - pstClassifierEntry->ucIPSourceAddressLength = - u8IpAddressLen/(nSizeOfIPAddressInBytes * 2); - if(bIpVersion6) - { - ptrClassifierIpAddress = - pstClassifierEntry->stSrcIpAddress.ucIpv6Address; - ptrClassifierIpMask = - pstClassifierEntry->stSrcIpAddress.ucIpv6Mask; + * checking both the mask and address togethor in Classification. + * So length will be : TotalLengthInBytes/nSizeOfIPAddressInBytes * 2 + * (nSizeOfIPAddressInBytes for address and nSizeOfIPAddressInBytes for mask) + */ + if (eIpAddrContext == eDestIpAddress) { + pstClassifierEntry->ucIPDestinationAddressLength = u8IpAddressLen/(nSizeOfIPAddressInBytes * 2); + if (bIpVersion6) { + ptrClassifierIpAddress = pstClassifierEntry->stDestIpAddress.ucIpv6Address; + ptrClassifierIpMask = pstClassifierEntry->stDestIpAddress.ucIpv6Mask; + } else { + ptrClassifierIpAddress = pstClassifierEntry->stDestIpAddress.ucIpv4Address; + ptrClassifierIpMask = pstClassifierEntry->stDestIpAddress.ucIpv4Mask; } - else - { - ptrClassifierIpAddress = - pstClassifierEntry->stSrcIpAddress.ucIpv4Address; - ptrClassifierIpMask = - pstClassifierEntry->stSrcIpAddress.ucIpv4Mask; + } else if (eIpAddrContext == eSrcIpAddress) { + pstClassifierEntry->ucIPSourceAddressLength = u8IpAddressLen/(nSizeOfIPAddressInBytes * 2); + if (bIpVersion6) { + ptrClassifierIpAddress = pstClassifierEntry->stSrcIpAddress.ucIpv6Address; + ptrClassifierIpMask = pstClassifierEntry->stSrcIpAddress.ucIpv6Mask; + } else { + ptrClassifierIpAddress = pstClassifierEntry->stSrcIpAddress.ucIpv4Address; + ptrClassifierIpMask = pstClassifierEntry->stSrcIpAddress.ucIpv4Mask; } } - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Address Length:0x%X \n", - pstClassifierEntry->ucIPDestinationAddressLength); - while((u8IpAddressLen>= nSizeOfIPAddressInBytes) && - (ucLoopIndex < MAX_IP_RANGE_LENGTH)) - { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Address Length:0x%X\n", pstClassifierEntry->ucIPDestinationAddressLength); + while ((u8IpAddressLen >= nSizeOfIPAddressInBytes) && (i < MAX_IP_RANGE_LENGTH)) { memcpy(ptrClassifierIpAddress + - (ucLoopIndex * nSizeOfIPAddressInBytes), - (pu8IpAddressMaskSrc+(ucLoopIndex*nSizeOfIPAddressInBytes*2)), + (i * nSizeOfIPAddressInBytes), + (pu8IpAddressMaskSrc+(i*nSizeOfIPAddressInBytes*2)), nSizeOfIPAddressInBytes); - if(!bIpVersion6) - { - if(eIpAddrContext == eSrcIpAddress) - { - pstClassifierEntry->stSrcIpAddress.ulIpv4Addr[ucLoopIndex]= - ntohl(pstClassifierEntry->stSrcIpAddress. - ulIpv4Addr[ucLoopIndex]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Src Ip Address:0x%luX ",pstClassifierEntry->stSrcIpAddress.ulIpv4Addr[ucLoopIndex]); - } - else if(eIpAddrContext == eDestIpAddress) - { - pstClassifierEntry->stDestIpAddress.ulIpv4Addr[ucLoopIndex]= ntohl(pstClassifierEntry->stDestIpAddress. - ulIpv4Addr[ucLoopIndex]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Dest Ip Address:0x%luX ",pstClassifierEntry->stDestIpAddress.ulIpv4Addr[ucLoopIndex]); + + if (!bIpVersion6) { + if (eIpAddrContext == eSrcIpAddress) { + pstClassifierEntry->stSrcIpAddress.ulIpv4Addr[i] = ntohl(pstClassifierEntry->stSrcIpAddress.ulIpv4Addr[i]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Src Ip Address:0x%luX ", + pstClassifierEntry->stSrcIpAddress.ulIpv4Addr[i]); + } else if (eIpAddrContext == eDestIpAddress) { + pstClassifierEntry->stDestIpAddress.ulIpv4Addr[i] = ntohl(pstClassifierEntry->stDestIpAddress.ulIpv4Addr[i]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Dest Ip Address:0x%luX ", + pstClassifierEntry->stDestIpAddress.ulIpv4Addr[i]); } } - u8IpAddressLen-=nSizeOfIPAddressInBytes; - if(u8IpAddressLen >= nSizeOfIPAddressInBytes) - { + u8IpAddressLen -= nSizeOfIPAddressInBytes; + if (u8IpAddressLen >= nSizeOfIPAddressInBytes) { memcpy(ptrClassifierIpMask + - (ucLoopIndex * nSizeOfIPAddressInBytes), + (i * nSizeOfIPAddressInBytes), (pu8IpAddressMaskSrc+nSizeOfIPAddressInBytes + - (ucLoopIndex*nSizeOfIPAddressInBytes*2)), + (i*nSizeOfIPAddressInBytes*2)), nSizeOfIPAddressInBytes); - if(!bIpVersion6) - { - if(eIpAddrContext == eSrcIpAddress) - { - pstClassifierEntry->stSrcIpAddress. - ulIpv4Mask[ucLoopIndex]= - ntohl(pstClassifierEntry->stSrcIpAddress. - ulIpv4Mask[ucLoopIndex]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Src Ip Mask Address:0x%luX ",pstClassifierEntry->stSrcIpAddress.ulIpv4Mask[ucLoopIndex]); - } - else if(eIpAddrContext == eDestIpAddress) - { - pstClassifierEntry->stDestIpAddress. - ulIpv4Mask[ucLoopIndex] = - ntohl(pstClassifierEntry->stDestIpAddress. - ulIpv4Mask[ucLoopIndex]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Dest Ip Mask Address:0x%luX ",pstClassifierEntry->stDestIpAddress.ulIpv4Mask[ucLoopIndex]); + + if (!bIpVersion6) { + if (eIpAddrContext == eSrcIpAddress) { + pstClassifierEntry->stSrcIpAddress.ulIpv4Mask[i] = + ntohl(pstClassifierEntry->stSrcIpAddress.ulIpv4Mask[i]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Src Ip Mask Address:0x%luX ", + pstClassifierEntry->stSrcIpAddress.ulIpv4Mask[i]); + } else if (eIpAddrContext == eDestIpAddress) { + pstClassifierEntry->stDestIpAddress.ulIpv4Mask[i] = + ntohl(pstClassifierEntry->stDestIpAddress.ulIpv4Mask[i]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Dest Ip Mask Address:0x%luX ", + pstClassifierEntry->stDestIpAddress.ulIpv4Mask[i]); } } - u8IpAddressLen-=nSizeOfIPAddressInBytes; - } - if(0==u8IpAddressLen) - { - pstClassifierEntry->bDestIpValid=TRUE; + u8IpAddressLen -= nSizeOfIPAddressInBytes; } - ucLoopIndex++; + if (u8IpAddressLen == 0) + pstClassifierEntry->bDestIpValid = TRUE; + + i++; } - if(bIpVersion6) - { - //Restore EndianNess of Struct - for(ucLoopIndex =0 ; ucLoopIndex < MAX_IP_RANGE_LENGTH * 4 ; - ucLoopIndex++) - { - if(eIpAddrContext == eSrcIpAddress) - { - pstClassifierEntry->stSrcIpAddress.ulIpv6Addr[ucLoopIndex]= - ntohl(pstClassifierEntry->stSrcIpAddress. - ulIpv6Addr[ucLoopIndex]); - pstClassifierEntry->stSrcIpAddress.ulIpv6Mask[ucLoopIndex]= ntohl(pstClassifierEntry->stSrcIpAddress. - ulIpv6Mask[ucLoopIndex]); - } - else if(eIpAddrContext == eDestIpAddress) - { - pstClassifierEntry->stDestIpAddress.ulIpv6Addr[ucLoopIndex]= ntohl(pstClassifierEntry->stDestIpAddress. - ulIpv6Addr[ucLoopIndex]); - pstClassifierEntry->stDestIpAddress.ulIpv6Mask[ucLoopIndex]= ntohl(pstClassifierEntry->stDestIpAddress. - ulIpv6Mask[ucLoopIndex]); + if (bIpVersion6) { + /* Restore EndianNess of Struct */ + for (i = 0; i < MAX_IP_RANGE_LENGTH * 4; i++) { + if (eIpAddrContext == eSrcIpAddress) { + pstClassifierEntry->stSrcIpAddress.ulIpv6Addr[i] = ntohl(pstClassifierEntry->stSrcIpAddress.ulIpv6Addr[i]); + pstClassifierEntry->stSrcIpAddress.ulIpv6Mask[i] = ntohl(pstClassifierEntry->stSrcIpAddress.ulIpv6Mask[i]); + } else if (eIpAddrContext == eDestIpAddress) { + pstClassifierEntry->stDestIpAddress.ulIpv6Addr[i] = ntohl(pstClassifierEntry->stDestIpAddress.ulIpv6Addr[i]); + pstClassifierEntry->stDestIpAddress.ulIpv6Mask[i] = ntohl(pstClassifierEntry->stDestIpAddress.ulIpv6Mask[i]); } } } } } - -void ClearTargetDSXBuffer(PMINI_ADAPTER Adapter,B_UINT16 TID,BOOLEAN bFreeAll) +void ClearTargetDSXBuffer(PMINI_ADAPTER Adapter, B_UINT16 TID, BOOLEAN bFreeAll) { - ULONG ulIndex; - for(ulIndex=0; ulIndex < Adapter->ulTotalTargetBuffersAvailable; ulIndex++) - { - if(Adapter->astTargetDsxBuffer[ulIndex].valid) + int i; + + for (i = 0; i < Adapter->ulTotalTargetBuffersAvailable; i++) { + if (Adapter->astTargetDsxBuffer[i].valid) continue; - if ((bFreeAll) || (Adapter->astTargetDsxBuffer[ulIndex].tid == TID)){ - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "ClearTargetDSXBuffer: found tid %d buffer cleared %lx\n", - TID, Adapter->astTargetDsxBuffer[ulIndex].ulTargetDsxBuffer); - Adapter->astTargetDsxBuffer[ulIndex].valid=1; - Adapter->astTargetDsxBuffer[ulIndex].tid=0; + + if ((bFreeAll) || (Adapter->astTargetDsxBuffer[i].tid == TID)) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "ClearTargetDSXBuffer: found tid %d buffer cleared %lx\n", + TID, Adapter->astTargetDsxBuffer[i].ulTargetDsxBuffer); + Adapter->astTargetDsxBuffer[i].valid = 1; + Adapter->astTargetDsxBuffer[i].tid = 0; Adapter->ulFreeTargetBufferCnt++; - } + } } } -/** -@ingroup ctrl_pkt_functions -copy classifier rule into the specified SF index -*/ -static inline VOID CopyClassifierRuleToSF(PMINI_ADAPTER Adapter,stConvergenceSLTypes *psfCSType,UINT uiSearchRuleIndex,UINT nClassifierIndex) +/* + * @ingroup ctrl_pkt_functions + * copy classifier rule into the specified SF index + */ +static inline VOID CopyClassifierRuleToSF(PMINI_ADAPTER Adapter, stConvergenceSLTypes *psfCSType, UINT uiSearchRuleIndex, UINT nClassifierIndex) { S_CLASSIFIER_RULE *pstClassifierEntry = NULL; - //VOID *pvPhsContext = NULL; - UINT ucLoopIndex=0; - //UCHAR ucProtocolLength=0; - //ULONG ulPhsStatus; - + /* VOID *pvPhsContext = NULL; */ + int i; + /* UCHAR ucProtocolLength=0; */ + /* ULONG ulPhsStatus; */ - if(Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value == 0 || + if (Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value == 0 || nClassifierIndex > (MAX_CLASSIFIERS-1)) return; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Storing Classifier Rule Index : %X", + ntohs(psfCSType->cCPacketClassificationRule.u16PacketClassificationRuleIndex)); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Storing Classifier Rule Index : %X",ntohs(psfCSType->cCPacketClassificationRule.u16PacketClassificationRuleIndex)); - - if(nClassifierIndex > MAX_CLASSIFIERS-1) + if (nClassifierIndex > MAX_CLASSIFIERS-1) return; pstClassifierEntry = &Adapter->astClassifierTable[nClassifierIndex]; - if(pstClassifierEntry) - { - //Store if Ipv6 - pstClassifierEntry->bIpv6Protocol = - (Adapter->PackInfo[uiSearchRuleIndex].ucIpVersion == IPV6)?TRUE:FALSE; - - //Destinaiton Port - pstClassifierEntry->ucDestPortRangeLength=psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRangeLength/4; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Destination Port Range Length:0x%X ",pstClassifierEntry->ucDestPortRangeLength); - if( MAX_PORT_RANGE >= psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRangeLength) - { - for(ucLoopIndex=0;ucLoopIndex<(pstClassifierEntry->ucDestPortRangeLength);ucLoopIndex++) - { - pstClassifierEntry->usDestPortRangeLo[ucLoopIndex] = - *((PUSHORT)(psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange+ucLoopIndex)); - pstClassifierEntry->usDestPortRangeHi[ucLoopIndex] = - *((PUSHORT)(psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange+2+ucLoopIndex)); - pstClassifierEntry->usDestPortRangeLo[ucLoopIndex]=ntohs(pstClassifierEntry->usDestPortRangeLo[ucLoopIndex]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Destination Port Range Lo:0x%X ",pstClassifierEntry->usDestPortRangeLo[ucLoopIndex]); - pstClassifierEntry->usDestPortRangeHi[ucLoopIndex]=ntohs(pstClassifierEntry->usDestPortRangeHi[ucLoopIndex]); + if (pstClassifierEntry) { + /* Store if Ipv6 */ + pstClassifierEntry->bIpv6Protocol = (Adapter->PackInfo[uiSearchRuleIndex].ucIpVersion == IPV6) ? TRUE : FALSE; + + /* Destinaiton Port */ + pstClassifierEntry->ucDestPortRangeLength = psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRangeLength / 4; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Destination Port Range Length:0x%X ", pstClassifierEntry->ucDestPortRangeLength); + + if (psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRangeLength <= MAX_PORT_RANGE) { + for (i = 0; i < (pstClassifierEntry->ucDestPortRangeLength); i++) { + pstClassifierEntry->usDestPortRangeLo[i] = *((PUSHORT)(psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange+i)); + pstClassifierEntry->usDestPortRangeHi[i] = + *((PUSHORT)(psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange+2+i)); + pstClassifierEntry->usDestPortRangeLo[i] = ntohs(pstClassifierEntry->usDestPortRangeLo[i]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Destination Port Range Lo:0x%X ", + pstClassifierEntry->usDestPortRangeLo[i]); + pstClassifierEntry->usDestPortRangeHi[i] = ntohs(pstClassifierEntry->usDestPortRangeHi[i]); } + } else { + pstClassifierEntry->ucDestPortRangeLength = 0; } - else - { - pstClassifierEntry->ucDestPortRangeLength=0; - } - //Source Port - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Source Port Range Length:0x%X ",psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRangeLength); - if(MAX_PORT_RANGE >= - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRangeLength) - { - pstClassifierEntry->ucSrcPortRangeLength = - psfCSType->cCPacketClassificationRule. - u8ProtocolSourcePortRangeLength/4; - for(ucLoopIndex = 0; ucLoopIndex < - (pstClassifierEntry->ucSrcPortRangeLength); ucLoopIndex++) - { - pstClassifierEntry->usSrcPortRangeLo[ucLoopIndex] = - *((PUSHORT)(psfCSType->cCPacketClassificationRule. - u8ProtocolSourcePortRange+ucLoopIndex)); - pstClassifierEntry->usSrcPortRangeHi[ucLoopIndex] = - *((PUSHORT)(psfCSType->cCPacketClassificationRule. - u8ProtocolSourcePortRange+2+ucLoopIndex)); - pstClassifierEntry->usSrcPortRangeLo[ucLoopIndex] = - ntohs(pstClassifierEntry->usSrcPortRangeLo[ucLoopIndex]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Source Port Range Lo:0x%X ",pstClassifierEntry->usSrcPortRangeLo[ucLoopIndex]); - pstClassifierEntry->usSrcPortRangeHi[ucLoopIndex]=ntohs(pstClassifierEntry->usSrcPortRangeHi[ucLoopIndex]); + + /* Source Port */ + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Source Port Range Length:0x%X ", + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRangeLength); + if (psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRangeLength <= MAX_PORT_RANGE) { + pstClassifierEntry->ucSrcPortRangeLength = psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRangeLength/4; + for (i = 0; i < (pstClassifierEntry->ucSrcPortRangeLength); i++) { + pstClassifierEntry->usSrcPortRangeLo[i] = + *((PUSHORT)(psfCSType->cCPacketClassificationRule. + u8ProtocolSourcePortRange+i)); + pstClassifierEntry->usSrcPortRangeHi[i] = + *((PUSHORT)(psfCSType->cCPacketClassificationRule. + u8ProtocolSourcePortRange+2+i)); + pstClassifierEntry->usSrcPortRangeLo[i] = + ntohs(pstClassifierEntry->usSrcPortRangeLo[i]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Source Port Range Lo:0x%X ", + pstClassifierEntry->usSrcPortRangeLo[i]); + pstClassifierEntry->usSrcPortRangeHi[i] = ntohs(pstClassifierEntry->usSrcPortRangeHi[i]); } } - //Destination Ip Address and Mask - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Ip Destination Parameters : "); - + /* Destination Ip Address and Mask */ + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Ip Destination Parameters : "); CopyIpAddrToClassifier(pstClassifierEntry, - psfCSType->cCPacketClassificationRule.u8IPDestinationAddressLength, - psfCSType->cCPacketClassificationRule.u8IPDestinationAddress, - (Adapter->PackInfo[uiSearchRuleIndex].ucIpVersion == IPV6)? - TRUE:FALSE, eDestIpAddress); + psfCSType->cCPacketClassificationRule.u8IPDestinationAddressLength, + psfCSType->cCPacketClassificationRule.u8IPDestinationAddress, + (Adapter->PackInfo[uiSearchRuleIndex].ucIpVersion == IPV6) ? + TRUE : FALSE, eDestIpAddress); - //Source Ip Address and Mask - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Ip Source Parameters : "); + /* Source Ip Address and Mask */ + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Ip Source Parameters : "); CopyIpAddrToClassifier(pstClassifierEntry, - psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddressLength, - psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddress, - (Adapter->PackInfo[uiSearchRuleIndex].ucIpVersion == IPV6)?TRUE:FALSE, - eSrcIpAddress); - - //TOS - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"TOS Length:0x%X ",psfCSType->cCPacketClassificationRule.u8IPTypeOfServiceLength); - if(3 == psfCSType->cCPacketClassificationRule.u8IPTypeOfServiceLength) - { - pstClassifierEntry->ucIPTypeOfServiceLength = - psfCSType->cCPacketClassificationRule.u8IPTypeOfServiceLength; - pstClassifierEntry->ucTosLow = - psfCSType->cCPacketClassificationRule.u8IPTypeOfService[0]; - pstClassifierEntry->ucTosHigh = - psfCSType->cCPacketClassificationRule.u8IPTypeOfService[1]; - pstClassifierEntry->ucTosMask = - psfCSType->cCPacketClassificationRule.u8IPTypeOfService[2]; + psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddressLength, + psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddress, + (Adapter->PackInfo[uiSearchRuleIndex].ucIpVersion == IPV6) ? TRUE : FALSE, + eSrcIpAddress); + + /* TOS */ + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "TOS Length:0x%X ", psfCSType->cCPacketClassificationRule.u8IPTypeOfServiceLength); + if (psfCSType->cCPacketClassificationRule.u8IPTypeOfServiceLength == 3) { + pstClassifierEntry->ucIPTypeOfServiceLength = psfCSType->cCPacketClassificationRule.u8IPTypeOfServiceLength; + pstClassifierEntry->ucTosLow = psfCSType->cCPacketClassificationRule.u8IPTypeOfService[0]; + pstClassifierEntry->ucTosHigh = psfCSType->cCPacketClassificationRule.u8IPTypeOfService[1]; + pstClassifierEntry->ucTosMask = psfCSType->cCPacketClassificationRule.u8IPTypeOfService[2]; pstClassifierEntry->bTOSValid = TRUE; } - if(psfCSType->cCPacketClassificationRule.u8Protocol == 0) - { - //we didn't get protocol field filled in by the BS - pstClassifierEntry->ucProtocolLength=0; - } - else - { - pstClassifierEntry->ucProtocolLength=1;// 1 valid protocol + if (psfCSType->cCPacketClassificationRule.u8Protocol == 0) { + /* we didn't get protocol field filled in by the BS */ + pstClassifierEntry->ucProtocolLength = 0; + } else { + pstClassifierEntry->ucProtocolLength = 1; /* 1 valid protocol */ } - pstClassifierEntry->ucProtocol[0] = - psfCSType->cCPacketClassificationRule.u8Protocol; - - pstClassifierEntry->u8ClassifierRulePriority = - psfCSType->cCPacketClassificationRule.u8ClassifierRulePriority; - - //store the classifier rule ID and set this classifier entry as valid - pstClassifierEntry->ucDirection = - Adapter->PackInfo[uiSearchRuleIndex].ucDirection; - pstClassifierEntry->uiClassifierRuleIndex = ntohs(psfCSType-> - cCPacketClassificationRule.u16PacketClassificationRuleIndex); - pstClassifierEntry->usVCID_Value = - Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value; - pstClassifierEntry->ulSFID = - Adapter->PackInfo[uiSearchRuleIndex].ulSFID; - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Search Index %d Dir: %d, Index: %d, Vcid: %d\n", - uiSearchRuleIndex, pstClassifierEntry->ucDirection, - pstClassifierEntry->uiClassifierRuleIndex, - pstClassifierEntry->usVCID_Value); - - if(psfCSType->cCPacketClassificationRule.u8AssociatedPHSI) - { + pstClassifierEntry->ucProtocol[0] = psfCSType->cCPacketClassificationRule.u8Protocol; + pstClassifierEntry->u8ClassifierRulePriority = psfCSType->cCPacketClassificationRule.u8ClassifierRulePriority; + + /* store the classifier rule ID and set this classifier entry as valid */ + pstClassifierEntry->ucDirection = Adapter->PackInfo[uiSearchRuleIndex].ucDirection; + pstClassifierEntry->uiClassifierRuleIndex = ntohs(psfCSType->cCPacketClassificationRule.u16PacketClassificationRuleIndex); + pstClassifierEntry->usVCID_Value = Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value; + pstClassifierEntry->ulSFID = Adapter->PackInfo[uiSearchRuleIndex].ulSFID; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Search Index %d Dir: %d, Index: %d, Vcid: %d\n", + uiSearchRuleIndex, pstClassifierEntry->ucDirection, + pstClassifierEntry->uiClassifierRuleIndex, + pstClassifierEntry->usVCID_Value); + + if (psfCSType->cCPacketClassificationRule.u8AssociatedPHSI) pstClassifierEntry->u8AssociatedPHSI = psfCSType->cCPacketClassificationRule.u8AssociatedPHSI; - } - //Copy ETH CS Parameters + /* Copy ETH CS Parameters */ pstClassifierEntry->ucEthCSSrcMACLen = (psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddressLength); - memcpy(pstClassifierEntry->au8EThCSSrcMAC,psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress,MAC_ADDRESS_SIZE); - memcpy(pstClassifierEntry->au8EThCSSrcMACMask,psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress+MAC_ADDRESS_SIZE,MAC_ADDRESS_SIZE); + memcpy(pstClassifierEntry->au8EThCSSrcMAC, psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress, MAC_ADDRESS_SIZE); + memcpy(pstClassifierEntry->au8EThCSSrcMACMask, psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress + MAC_ADDRESS_SIZE, MAC_ADDRESS_SIZE); pstClassifierEntry->ucEthCSDestMACLen = (psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); - memcpy(pstClassifierEntry->au8EThCSDestMAC,psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress,MAC_ADDRESS_SIZE); - memcpy(pstClassifierEntry->au8EThCSDestMACMask,psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress+MAC_ADDRESS_SIZE,MAC_ADDRESS_SIZE); + memcpy(pstClassifierEntry->au8EThCSDestMAC, psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress, MAC_ADDRESS_SIZE); + memcpy(pstClassifierEntry->au8EThCSDestMACMask, psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress + MAC_ADDRESS_SIZE, MAC_ADDRESS_SIZE); pstClassifierEntry->ucEtherTypeLen = (psfCSType->cCPacketClassificationRule.u8EthertypeLength); - memcpy(pstClassifierEntry->au8EthCSEtherType,psfCSType->cCPacketClassificationRule.u8Ethertype,NUM_ETHERTYPE_BYTES); + memcpy(pstClassifierEntry->au8EthCSEtherType, psfCSType->cCPacketClassificationRule.u8Ethertype, NUM_ETHERTYPE_BYTES); memcpy(pstClassifierEntry->usUserPriority, &psfCSType->cCPacketClassificationRule.u16UserPriority, 2); pstClassifierEntry->usVLANID = ntohs(psfCSType->cCPacketClassificationRule.u16VLANID); pstClassifierEntry->usValidityBitMap = ntohs(psfCSType->cCPacketClassificationRule.u16ValidityBitMap); @@ -434,244 +362,199 @@ static inline VOID CopyClassifierRuleToSF(PMINI_ADAPTER Adapter,stConvergenceSLT } } - -/** -@ingroup ctrl_pkt_functions -*/ -static inline VOID DeleteClassifierRuleFromSF(PMINI_ADAPTER Adapter,UINT uiSearchRuleIndex,UINT nClassifierIndex) +/* + * @ingroup ctrl_pkt_functions + */ +static inline VOID DeleteClassifierRuleFromSF(PMINI_ADAPTER Adapter, UINT uiSearchRuleIndex, UINT nClassifierIndex) { S_CLASSIFIER_RULE *pstClassifierEntry = NULL; - B_UINT16 u16PacketClassificationRuleIndex; - USHORT usVCID; - //VOID *pvPhsContext = NULL; - //ULONG ulPhsStatus; + B_UINT16 u16PacketClassificationRuleIndex; + USHORT usVCID; + /* VOID *pvPhsContext = NULL; */ + /*ULONG ulPhsStatus; */ usVCID = Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value; - if(nClassifierIndex > MAX_CLASSIFIERS-1) + if (nClassifierIndex > MAX_CLASSIFIERS-1) return; - if(usVCID == 0) + if (usVCID == 0) return; u16PacketClassificationRuleIndex = Adapter->astClassifierTable[nClassifierIndex].uiClassifierRuleIndex; - - pstClassifierEntry = &Adapter->astClassifierTable[nClassifierIndex]; - if(pstClassifierEntry) - { + if (pstClassifierEntry) { pstClassifierEntry->bUsed = FALSE; pstClassifierEntry->uiClassifierRuleIndex = 0; - memset(pstClassifierEntry,0,sizeof(S_CLASSIFIER_RULE)); + memset(pstClassifierEntry, 0, sizeof(S_CLASSIFIER_RULE)); - //Delete the PHS Rule for this classifier - PhsDeleteClassifierRule( - &Adapter->stBCMPhsContext, - usVCID, - u16PacketClassificationRuleIndex); + /* Delete the PHS Rule for this classifier */ + PhsDeleteClassifierRule(&Adapter->stBCMPhsContext, usVCID, u16PacketClassificationRuleIndex); } } -/** -@ingroup ctrl_pkt_functions -*/ -VOID DeleteAllClassifiersForSF(PMINI_ADAPTER Adapter,UINT uiSearchRuleIndex) +/* + * @ingroup ctrl_pkt_functions + */ +VOID DeleteAllClassifiersForSF(PMINI_ADAPTER Adapter, UINT uiSearchRuleIndex) { S_CLASSIFIER_RULE *pstClassifierEntry = NULL; - UINT nClassifierIndex; - //B_UINT16 u16PacketClassificationRuleIndex; - USHORT ulVCID; - //VOID *pvPhsContext = NULL; - //ULONG ulPhsStatus; + int i; + /* B_UINT16 u16PacketClassificationRuleIndex; */ + USHORT ulVCID; + /* VOID *pvPhsContext = NULL; */ + /* ULONG ulPhsStatus; */ ulVCID = Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value; - if(ulVCID == 0) + if (ulVCID == 0) return; + for (i = 0; i < MAX_CLASSIFIERS; i++) { + if (Adapter->astClassifierTable[i].usVCID_Value == ulVCID) { + pstClassifierEntry = &Adapter->astClassifierTable[i]; - for(nClassifierIndex =0 ; nClassifierIndex < MAX_CLASSIFIERS ; nClassifierIndex++) - { - if(Adapter->astClassifierTable[nClassifierIndex].usVCID_Value == ulVCID) - { - pstClassifierEntry = &Adapter->astClassifierTable[nClassifierIndex]; - if(pstClassifierEntry->bUsed) - { - DeleteClassifierRuleFromSF(Adapter,uiSearchRuleIndex,nClassifierIndex); - } + if (pstClassifierEntry->bUsed) + DeleteClassifierRuleFromSF(Adapter, uiSearchRuleIndex, i); } } - //Delete All Phs Rules Associated with this SF - PhsDeleteSFRules( - &Adapter->stBCMPhsContext, - ulVCID); - + /* Delete All Phs Rules Associated with this SF */ + PhsDeleteSFRules(&Adapter->stBCMPhsContext, ulVCID); } - -/** -This routinue copies the Connection Management -related data into the Adapter structure. -@ingroup ctrl_pkt_functions -*/ - -static VOID CopyToAdapter( register PMINI_ADAPTER Adapter, /**<Pointer to the Adapter structure*/ - register pstServiceFlowParamSI psfLocalSet, /**<Pointer to the ServiceFlowParamSI structure*/ - register UINT uiSearchRuleIndex, /**<Index of Queue, to which this data belongs*/ - register UCHAR ucDsxType, - stLocalSFAddIndicationAlt *pstAddIndication) -{ - //UCHAR ucProtocolLength=0; - ULONG ulSFID; - UINT nClassifierIndex = 0; - E_CLASSIFIER_ACTION eClassifierAction = eInvalidClassifierAction; - B_UINT16 u16PacketClassificationRuleIndex=0; - UINT nIndex=0; +/* + * This routinue copies the Connection Management + * related data into the Adapter structure. + * @ingroup ctrl_pkt_functions + */ +static VOID CopyToAdapter(register PMINI_ADAPTER Adapter, /* <Pointer to the Adapter structure */ + register pstServiceFlowParamSI psfLocalSet, /* <Pointer to the ServiceFlowParamSI structure */ + register UINT uiSearchRuleIndex, /* <Index of Queue, to which this data belongs */ + register UCHAR ucDsxType, + stLocalSFAddIndicationAlt *pstAddIndication) { + + /* UCHAR ucProtocolLength = 0; */ + ULONG ulSFID; + UINT nClassifierIndex = 0; + enum E_CLASSIFIER_ACTION eClassifierAction = eInvalidClassifierAction; + B_UINT16 u16PacketClassificationRuleIndex = 0; + int i; stConvergenceSLTypes *psfCSType = NULL; S_PHS_RULE sPhsRule; USHORT uVCID = Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value; UINT UGIValue = 0; - - Adapter->PackInfo[uiSearchRuleIndex].bValid=TRUE; - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Search Rule Index = %d\n", uiSearchRuleIndex); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"%s: SFID= %x ",__FUNCTION__, ntohl(psfLocalSet->u32SFID)); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Updating Queue %d",uiSearchRuleIndex); + Adapter->PackInfo[uiSearchRuleIndex].bValid = TRUE; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Search Rule Index = %d\n", uiSearchRuleIndex); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "%s: SFID= %x ", __func__, ntohl(psfLocalSet->u32SFID)); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Updating Queue %d", uiSearchRuleIndex); ulSFID = ntohl(psfLocalSet->u32SFID); - //Store IP Version used - //Get The Version Of IP used (IPv6 or IPv4) from CSSpecification field of SF + /* Store IP Version used */ + /* Get The Version Of IP used (IPv6 or IPv4) from CSSpecification field of SF */ Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport = 0; Adapter->PackInfo[uiSearchRuleIndex].bEthCSSupport = 0; - /*Enable IP/ETh CS Support As Required*/ - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"CopyToAdapter : u8CSSpecification : %X\n",psfLocalSet->u8CSSpecification); - switch(psfLocalSet->u8CSSpecification) + /* Enable IP/ETh CS Support As Required */ + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "CopyToAdapter : u8CSSpecification : %X\n", psfLocalSet->u8CSSpecification); + switch (psfLocalSet->u8CSSpecification) { + case eCSPacketIPV4: { - case eCSPacketIPV4: - { - Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport = IPV4_CS; - break; - } - case eCSPacketIPV6: - { - Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport = IPV6_CS; - break; - } - - case eCS802_3PacketEthernet: - case eCS802_1QPacketVLAN: - { - Adapter->PackInfo[uiSearchRuleIndex].bEthCSSupport = ETH_CS_802_3; - break; - } - - case eCSPacketIPV4Over802_1QVLAN: - case eCSPacketIPV4Over802_3Ethernet: - { - Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport = IPV4_CS; - Adapter->PackInfo[uiSearchRuleIndex].bEthCSSupport = ETH_CS_802_3; - break; - } - - case eCSPacketIPV6Over802_1QVLAN: - case eCSPacketIPV6Over802_3Ethernet: - { - Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport = IPV6_CS; - Adapter->PackInfo[uiSearchRuleIndex].bEthCSSupport = ETH_CS_802_3; - break; - } - - default: - { - BCM_DEBUG_PRINT (Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Error in value of CS Classification.. setting default to IP CS\n"); - Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport = IPV4_CS; - break; - } + Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport = IPV4_CS; + break; + } + case eCSPacketIPV6: + { + Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport = IPV6_CS; + break; + } + case eCS802_3PacketEthernet: + case eCS802_1QPacketVLAN: + { + Adapter->PackInfo[uiSearchRuleIndex].bEthCSSupport = ETH_CS_802_3; + break; + } + case eCSPacketIPV4Over802_1QVLAN: + case eCSPacketIPV4Over802_3Ethernet: + { + Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport = IPV4_CS; + Adapter->PackInfo[uiSearchRuleIndex].bEthCSSupport = ETH_CS_802_3; + break; + } + case eCSPacketIPV6Over802_1QVLAN: + case eCSPacketIPV6Over802_3Ethernet: + { + Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport = IPV6_CS; + Adapter->PackInfo[uiSearchRuleIndex].bEthCSSupport = ETH_CS_802_3; + break; + } + default: + { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Error in value of CS Classification.. setting default to IP CS\n"); + Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport = IPV4_CS; + break; + } } - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"CopyToAdapter : Queue No : %X ETH CS Support : %X , IP CS Support : %X \n", - uiSearchRuleIndex, - Adapter->PackInfo[uiSearchRuleIndex].bEthCSSupport, - Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "CopyToAdapter : Queue No : %X ETH CS Support : %X , IP CS Support : %X\n", + uiSearchRuleIndex, + Adapter->PackInfo[uiSearchRuleIndex].bEthCSSupport, + Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport); - //Store IP Version used - //Get The Version Of IP used (IPv6 or IPv4) from CSSpecification field of SF - if(Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport == IPV6_CS) - { + /* Store IP Version used */ + /* Get The Version Of IP used (IPv6 or IPv4) from CSSpecification field of SF */ + if (Adapter->PackInfo[uiSearchRuleIndex].bIPCSSupport == IPV6_CS) Adapter->PackInfo[uiSearchRuleIndex].ucIpVersion = IPV6; - } else - { Adapter->PackInfo[uiSearchRuleIndex].ucIpVersion = IPV4; - } /* To ensure that the ETH CS code doesn't gets executed if the BS doesn't supports ETH CS */ - if(!Adapter->bETHCSEnabled) + if (!Adapter->bETHCSEnabled) Adapter->PackInfo[uiSearchRuleIndex].bEthCSSupport = 0; - if(psfLocalSet->u8ServiceClassNameLength > 0 && - psfLocalSet->u8ServiceClassNameLength < 32) - { - memcpy(Adapter->PackInfo[uiSearchRuleIndex].ucServiceClassName, - psfLocalSet->u8ServiceClassName, - psfLocalSet->u8ServiceClassNameLength); - } - Adapter->PackInfo[uiSearchRuleIndex].u8QueueType = - psfLocalSet->u8ServiceFlowSchedulingType; + if (psfLocalSet->u8ServiceClassNameLength > 0 && psfLocalSet->u8ServiceClassNameLength < 32) + memcpy(Adapter->PackInfo[uiSearchRuleIndex].ucServiceClassName, psfLocalSet->u8ServiceClassName, psfLocalSet->u8ServiceClassNameLength); - if(Adapter->PackInfo[uiSearchRuleIndex].u8QueueType==BE && - Adapter->PackInfo[uiSearchRuleIndex].ucDirection) - { - Adapter->usBestEffortQueueIndex=uiSearchRuleIndex; - } + Adapter->PackInfo[uiSearchRuleIndex].u8QueueType = psfLocalSet->u8ServiceFlowSchedulingType; + + if (Adapter->PackInfo[uiSearchRuleIndex].u8QueueType == BE && Adapter->PackInfo[uiSearchRuleIndex].ucDirection) + Adapter->usBestEffortQueueIndex = uiSearchRuleIndex; Adapter->PackInfo[uiSearchRuleIndex].ulSFID = ntohl(psfLocalSet->u32SFID); Adapter->PackInfo[uiSearchRuleIndex].u8TrafficPriority = psfLocalSet->u8TrafficPriority; - //copy all the classifier in the Service Flow param structure - for(nIndex=0; nIndex<psfLocalSet->u8TotalClassifiers; nIndex++) - { - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Classifier index =%d",nIndex); - psfCSType = &psfLocalSet->cConvergenceSLTypes[nIndex]; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Classifier index =%d",nIndex); + /* copy all the classifier in the Service Flow param structure */ + for (i = 0; i < psfLocalSet->u8TotalClassifiers; i++) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Classifier index =%d", i); + psfCSType = &psfLocalSet->cConvergenceSLTypes[i]; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Classifier index =%d", i); - if(psfCSType->cCPacketClassificationRule.u8ClassifierRulePriority) - { - Adapter->PackInfo[uiSearchRuleIndex].bClassifierPriority=TRUE; - } - - if(psfCSType->cCPacketClassificationRule.u8ClassifierRulePriority) - { - Adapter->PackInfo[uiSearchRuleIndex].bClassifierPriority=TRUE; - } + if (psfCSType->cCPacketClassificationRule.u8ClassifierRulePriority) + Adapter->PackInfo[uiSearchRuleIndex].bClassifierPriority = TRUE; + if (psfCSType->cCPacketClassificationRule.u8ClassifierRulePriority) + Adapter->PackInfo[uiSearchRuleIndex].bClassifierPriority = TRUE; - if(ucDsxType== DSA_ACK) - { + if (ucDsxType == DSA_ACK) { eClassifierAction = eAddClassifier; - } - else if(ucDsxType == DSC_ACK) - { - switch(psfCSType->u8ClassfierDSCAction) - { - case 0://DSC Add Classifier + } else if (ucDsxType == DSC_ACK) { + switch (psfCSType->u8ClassfierDSCAction) { + case 0: /* DSC Add Classifier */ { eClassifierAction = eAddClassifier; } break; - case 1://DSC Replace Classifier + case 1: /* DSC Replace Classifier */ { eClassifierAction = eReplaceClassifier; } break; - case 2://DSC Delete Classifier + case 2: /* DSC Delete Classifier */ { eClassifierAction = eDeleteClassifier; - } break; default: @@ -683,163 +566,133 @@ static VOID CopyToAdapter( register PMINI_ADAPTER Adapter, /**<Pointer to the A u16PacketClassificationRuleIndex = ntohs(psfCSType->cCPacketClassificationRule.u16PacketClassificationRuleIndex); - switch(eClassifierAction) - { + switch (eClassifierAction) { case eAddClassifier: { - //Get a Free Classifier Index From Classifier table for this SF to add the Classifier - //Contained in this message - nClassifierIndex = SearchClsid(Adapter,ulSFID,u16PacketClassificationRuleIndex); + /* Get a Free Classifier Index From Classifier table for this SF to add the Classifier */ + /* Contained in this message */ + nClassifierIndex = SearchClsid(Adapter, ulSFID, u16PacketClassificationRuleIndex); - if(nClassifierIndex > MAX_CLASSIFIERS) - { + if (nClassifierIndex > MAX_CLASSIFIERS) { nClassifierIndex = SearchFreeClsid(Adapter); - if(nClassifierIndex > MAX_CLASSIFIERS) - { - //Failed To get a free Entry - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Error Failed To get a free Classifier Entry"); + if (nClassifierIndex > MAX_CLASSIFIERS) { + /* Failed To get a free Entry */ + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Error Failed To get a free Classifier Entry"); break; } - //Copy the Classifier Rule for this service flow into our Classifier table maintained per SF. - CopyClassifierRuleToSF(Adapter,psfCSType,uiSearchRuleIndex,nClassifierIndex); - } - - else - { - //This Classifier Already Exists and it is invalid to Add Classifier with existing PCRI - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"CopyToAdapter : Error The Specified Classifier Already Exists \ - and attempted To Add Classifier with Same PCRI : 0x%x\n", u16PacketClassificationRuleIndex); + /* Copy the Classifier Rule for this service flow into our Classifier table maintained per SF. */ + CopyClassifierRuleToSF(Adapter, psfCSType, uiSearchRuleIndex, nClassifierIndex); + } else { + /* This Classifier Already Exists and it is invalid to Add Classifier with existing PCRI */ + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, + "CopyToAdapter: Error The Specified Classifier Already Exists and attempted To Add Classifier with Same PCRI : 0x%x\n", + u16PacketClassificationRuleIndex); } } break; - case eReplaceClassifier: { - //Get the Classifier Index From Classifier table for this SF and replace existing Classifier - //with the new classifier Contained in this message - nClassifierIndex = SearchClsid(Adapter,ulSFID,u16PacketClassificationRuleIndex); - if(nClassifierIndex > MAX_CLASSIFIERS) - { - //Failed To search the classifier - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Error Search for Classifier To be replaced failed"); + /* Get the Classifier Index From Classifier table for this SF and replace existing Classifier */ + /* with the new classifier Contained in this message */ + nClassifierIndex = SearchClsid(Adapter, ulSFID, u16PacketClassificationRuleIndex); + if (nClassifierIndex > MAX_CLASSIFIERS) { + /* Failed To search the classifier */ + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Error Search for Classifier To be replaced failed"); break; } - //Copy the Classifier Rule for this service flow into our Classifier table maintained per SF. - CopyClassifierRuleToSF(Adapter,psfCSType,uiSearchRuleIndex,nClassifierIndex); + /* Copy the Classifier Rule for this service flow into our Classifier table maintained per SF. */ + CopyClassifierRuleToSF(Adapter, psfCSType, uiSearchRuleIndex, nClassifierIndex); } break; - case eDeleteClassifier: { - //Get the Classifier Index From Classifier table for this SF and replace existing Classifier - //with the new classifier Contained in this message - nClassifierIndex = SearchClsid(Adapter,ulSFID,u16PacketClassificationRuleIndex); - if(nClassifierIndex > MAX_CLASSIFIERS) - { - //Failed To search the classifier - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Error Search for Classifier To be deleted failed"); + /* Get the Classifier Index From Classifier table for this SF and replace existing Classifier */ + /* with the new classifier Contained in this message */ + nClassifierIndex = SearchClsid(Adapter, ulSFID, u16PacketClassificationRuleIndex); + if (nClassifierIndex > MAX_CLASSIFIERS) { + /* Failed To search the classifier */ + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Error Search for Classifier To be deleted failed"); break; } - //Delete This classifier - DeleteClassifierRuleFromSF(Adapter,uiSearchRuleIndex,nClassifierIndex); + /* Delete This classifier */ + DeleteClassifierRuleFromSF(Adapter, uiSearchRuleIndex, nClassifierIndex); } break; - default: { - //Invalid Action for classifier + /* Invalid Action for classifier */ break; } } } - //Repeat parsing Classification Entries to process PHS Rules - for(nIndex=0; nIndex < psfLocalSet->u8TotalClassifiers; nIndex++) - { - psfCSType = &psfLocalSet->cConvergenceSLTypes[nIndex]; - - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "psfCSType->u8PhsDSCAction : 0x%x\n", - psfCSType->u8PhsDSCAction ); + /* Repeat parsing Classification Entries to process PHS Rules */ + for (i = 0; i < psfLocalSet->u8TotalClassifiers; i++) { + psfCSType = &psfLocalSet->cConvergenceSLTypes[i]; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "psfCSType->u8PhsDSCAction : 0x%x\n", psfCSType->u8PhsDSCAction); - switch (psfCSType->u8PhsDSCAction) - { + switch (psfCSType->u8PhsDSCAction) { case eDeleteAllPHSRules: { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Deleting All PHS Rules For VCID: 0x%X\n",uVCID); - - //Delete All the PHS rules for this Service flow - - PhsDeleteSFRules( - &Adapter->stBCMPhsContext, - uVCID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Deleting All PHS Rules For VCID: 0x%X\n", uVCID); + /* Delete All the PHS rules for this Service flow */ + PhsDeleteSFRules(&Adapter->stBCMPhsContext, uVCID); break; } case eDeletePHSRule: { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"PHS DSC Action = Delete PHS Rule \n"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "PHS DSC Action = Delete PHS Rule\n"); + + if (psfCSType->cPhsRule.u8PHSI) + PhsDeletePHSRule(&Adapter->stBCMPhsContext, uVCID, psfCSType->cCPacketClassificationRule.u8AssociatedPHSI); - if(psfCSType->cPhsRule.u8PHSI) - { - PhsDeletePHSRule( - &Adapter->stBCMPhsContext, - uVCID, - psfCSType->cCPacketClassificationRule.u8AssociatedPHSI); - } - else - { - //BCM_DEBUG_PRINT(CONN_MSG,("Error CPHSRule.PHSI is ZERO \n")); - } break; } - default : + default: { - if(ucDsxType == DSC_ACK) - { - //BCM_DEBUG_PRINT(CONN_MSG,("Invalid PHS DSC Action For DSC \n",psfCSType->cPhsRule.u8PHSI)); - break; //FOr DSC ACK Case PHS DSC Action must be in valid set + if (ucDsxType == DSC_ACK) { + /* BCM_DEBUG_PRINT(CONN_MSG,("Invalid PHS DSC Action For DSC\n",psfCSType->cPhsRule.u8PHSI)); */ + break; /* FOr DSC ACK Case PHS DSC Action must be in valid set */ } } - //Proceed To Add PHS rule for DSA_ACK case even if PHS DSC action is unspecified - //No Break Here . Intentionally! + /* Proceed To Add PHS rule for DSA_ACK case even if PHS DSC action is unspecified */ + /* No Break Here . Intentionally! */ case eAddPHSRule: case eSetPHSRule: { - if(psfCSType->cPhsRule.u8PHSI) - { - //Apply This PHS Rule to all classifiers whose Associated PHSI Match + if (psfCSType->cPhsRule.u8PHSI) { + /* Apply This PHS Rule to all classifiers whose Associated PHSI Match */ unsigned int uiClassifierIndex = 0; - if(pstAddIndication->u8Direction == UPLINK_DIR ) - { - for(uiClassifierIndex=0;uiClassifierIndex<MAX_CLASSIFIERS;uiClassifierIndex++) - { - if((Adapter->astClassifierTable[uiClassifierIndex].bUsed) && + if (pstAddIndication->u8Direction == UPLINK_DIR) { + for (uiClassifierIndex = 0; uiClassifierIndex < MAX_CLASSIFIERS; uiClassifierIndex++) { + if ((Adapter->astClassifierTable[uiClassifierIndex].bUsed) && (Adapter->astClassifierTable[uiClassifierIndex].ulSFID == Adapter->PackInfo[uiSearchRuleIndex].ulSFID) && - (Adapter->astClassifierTable[uiClassifierIndex].u8AssociatedPHSI == psfCSType->cPhsRule.u8PHSI)) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Adding PHS Rule For Classifier : 0x%x cPhsRule.u8PHSI : 0x%x\n", - Adapter->astClassifierTable[uiClassifierIndex].uiClassifierRuleIndex, - psfCSType->cPhsRule.u8PHSI); - //Update The PHS Rule for this classifier as Associated PHSI id defined - - //Copy the PHS Rule - sPhsRule.u8PHSI = psfCSType->cPhsRule.u8PHSI; - sPhsRule.u8PHSFLength = psfCSType->cPhsRule.u8PHSFLength; + (Adapter->astClassifierTable[uiClassifierIndex].u8AssociatedPHSI == psfCSType->cPhsRule.u8PHSI)) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, + "Adding PHS Rule For Classifier: 0x%x cPhsRule.u8PHSI: 0x%x\n", + Adapter->astClassifierTable[uiClassifierIndex].uiClassifierRuleIndex, + psfCSType->cPhsRule.u8PHSI); + /* Update The PHS Rule for this classifier as Associated PHSI id defined */ + + /* Copy the PHS Rule */ + sPhsRule.u8PHSI = psfCSType->cPhsRule.u8PHSI; + sPhsRule.u8PHSFLength = psfCSType->cPhsRule.u8PHSFLength; sPhsRule.u8PHSMLength = psfCSType->cPhsRule.u8PHSMLength; sPhsRule.u8PHSS = psfCSType->cPhsRule.u8PHSS; sPhsRule.u8PHSV = psfCSType->cPhsRule.u8PHSV; - memcpy(sPhsRule.u8PHSF,psfCSType->cPhsRule.u8PHSF,MAX_PHS_LENGTHS); - memcpy(sPhsRule.u8PHSM,psfCSType->cPhsRule.u8PHSM,MAX_PHS_LENGTHS); + memcpy(sPhsRule.u8PHSF, psfCSType->cPhsRule.u8PHSF, MAX_PHS_LENGTHS); + memcpy(sPhsRule.u8PHSM, psfCSType->cPhsRule.u8PHSM, MAX_PHS_LENGTHS); sPhsRule.u8RefCnt = 0; sPhsRule.bUnclassifiedPHSRule = FALSE; sPhsRule.PHSModifiedBytes = 0; sPhsRule.PHSModifiedNumPackets = 0; sPhsRule.PHSErrorNumPackets = 0; - //bPHSRuleAssociated = TRUE; - //Store The PHS Rule for this classifier + /* bPHSRuleAssociated = TRUE; */ + /* Store The PHS Rule for this classifier */ PhsUpdateClassifierRule( &Adapter->stBCMPhsContext, @@ -848,184 +701,157 @@ static VOID CopyToAdapter( register PMINI_ADAPTER Adapter, /**<Pointer to the A &sPhsRule, Adapter->astClassifierTable[uiClassifierIndex].u8AssociatedPHSI); - //Update PHS Rule For the Classifier - if(sPhsRule.u8PHSI) - { + /* Update PHS Rule For the Classifier */ + if (sPhsRule.u8PHSI) { Adapter->astClassifierTable[uiClassifierIndex].u32PHSRuleID = sPhsRule.u8PHSI; - memcpy(&Adapter->astClassifierTable[uiClassifierIndex].sPhsRule,&sPhsRule,sizeof(S_PHS_RULE)); + memcpy(&Adapter->astClassifierTable[uiClassifierIndex].sPhsRule, &sPhsRule, sizeof(S_PHS_RULE)); } - } } + } else { + /* Error PHS Rule specified in signaling could not be applied to any classifier */ + + /* Copy the PHS Rule */ + sPhsRule.u8PHSI = psfCSType->cPhsRule.u8PHSI; + sPhsRule.u8PHSFLength = psfCSType->cPhsRule.u8PHSFLength; + sPhsRule.u8PHSMLength = psfCSType->cPhsRule.u8PHSMLength; + sPhsRule.u8PHSS = psfCSType->cPhsRule.u8PHSS; + sPhsRule.u8PHSV = psfCSType->cPhsRule.u8PHSV; + memcpy(sPhsRule.u8PHSF, psfCSType->cPhsRule.u8PHSF, MAX_PHS_LENGTHS); + memcpy(sPhsRule.u8PHSM, psfCSType->cPhsRule.u8PHSM, MAX_PHS_LENGTHS); + sPhsRule.u8RefCnt = 0; + sPhsRule.bUnclassifiedPHSRule = TRUE; + sPhsRule.PHSModifiedBytes = 0; + sPhsRule.PHSModifiedNumPackets = 0; + sPhsRule.PHSErrorNumPackets = 0; + /* Store The PHS Rule for this classifier */ + + /* + * Passing the argument u8PHSI instead of clsid. Because for DL with no classifier rule, + * clsid will be zero hence we can't have multiple PHS rules for the same SF. + * To support multiple PHS rule, passing u8PHSI. + */ + PhsUpdateClassifierRule( + &Adapter->stBCMPhsContext, + uVCID, + sPhsRule.u8PHSI, + &sPhsRule, + sPhsRule.u8PHSI); } - else - { - //Error PHS Rule specified in signaling could not be applied to any classifier - - //Copy the PHS Rule - sPhsRule.u8PHSI = psfCSType->cPhsRule.u8PHSI; - sPhsRule.u8PHSFLength = psfCSType->cPhsRule.u8PHSFLength; - sPhsRule.u8PHSMLength = psfCSType->cPhsRule.u8PHSMLength; - sPhsRule.u8PHSS = psfCSType->cPhsRule.u8PHSS; - sPhsRule.u8PHSV = psfCSType->cPhsRule.u8PHSV; - memcpy(sPhsRule.u8PHSF,psfCSType->cPhsRule.u8PHSF,MAX_PHS_LENGTHS); - memcpy(sPhsRule.u8PHSM,psfCSType->cPhsRule.u8PHSM,MAX_PHS_LENGTHS); - sPhsRule.u8RefCnt = 0; - sPhsRule.bUnclassifiedPHSRule = TRUE; - sPhsRule.PHSModifiedBytes = 0; - sPhsRule.PHSModifiedNumPackets = 0; - sPhsRule.PHSErrorNumPackets = 0; - //Store The PHS Rule for this classifier - - /* - Passing the argument u8PHSI instead of clsid. Because for DL with no classifier rule, - clsid will be zero hence we can't have multiple PHS rules for the same SF. - To support multiple PHS rule, passing u8PHSI. - */ - - PhsUpdateClassifierRule( - &Adapter->stBCMPhsContext, - uVCID, - sPhsRule.u8PHSI, - &sPhsRule, - sPhsRule.u8PHSI); - - } - } } break; } } - if(psfLocalSet->u32MaxSustainedTrafficRate == 0 ) - { - //No Rate Limit . Set Max Sustained Traffic Rate to Maximum - Adapter->PackInfo[uiSearchRuleIndex].uiMaxAllowedRate = - WIMAX_MAX_ALLOWED_RATE; - - } - else if (ntohl(psfLocalSet->u32MaxSustainedTrafficRate) > - WIMAX_MAX_ALLOWED_RATE) - { - //Too large Allowed Rate specified. Limiting to Wi Max Allowed rate - Adapter->PackInfo[uiSearchRuleIndex].uiMaxAllowedRate = - WIMAX_MAX_ALLOWED_RATE; - } - else - { - Adapter->PackInfo[uiSearchRuleIndex].uiMaxAllowedRate = - ntohl(psfLocalSet->u32MaxSustainedTrafficRate); + if (psfLocalSet->u32MaxSustainedTrafficRate == 0) { + /* No Rate Limit . Set Max Sustained Traffic Rate to Maximum */ + Adapter->PackInfo[uiSearchRuleIndex].uiMaxAllowedRate = WIMAX_MAX_ALLOWED_RATE; + } else if (ntohl(psfLocalSet->u32MaxSustainedTrafficRate) > WIMAX_MAX_ALLOWED_RATE) { + /* Too large Allowed Rate specified. Limiting to Wi Max Allowed rate */ + Adapter->PackInfo[uiSearchRuleIndex].uiMaxAllowedRate = WIMAX_MAX_ALLOWED_RATE; + } else { + Adapter->PackInfo[uiSearchRuleIndex].uiMaxAllowedRate = ntohl(psfLocalSet->u32MaxSustainedTrafficRate); } Adapter->PackInfo[uiSearchRuleIndex].uiMaxLatency = ntohl(psfLocalSet->u32MaximumLatency); - - if(Adapter->PackInfo[uiSearchRuleIndex].uiMaxLatency == 0) /* 0 should be treated as infinite */ + if (Adapter->PackInfo[uiSearchRuleIndex].uiMaxLatency == 0) /* 0 should be treated as infinite */ Adapter->PackInfo[uiSearchRuleIndex].uiMaxLatency = MAX_LATENCY_ALLOWED; + if ((Adapter->PackInfo[uiSearchRuleIndex].u8QueueType == ERTPS || + Adapter->PackInfo[uiSearchRuleIndex].u8QueueType == UGS)) + UGIValue = ntohs(psfLocalSet->u16UnsolicitedGrantInterval); - if(( Adapter->PackInfo[uiSearchRuleIndex].u8QueueType == ERTPS || - Adapter->PackInfo[uiSearchRuleIndex].u8QueueType == UGS ) ) - UGIValue = ntohs(psfLocalSet->u16UnsolicitedGrantInterval); - - if(UGIValue == 0) + if (UGIValue == 0) UGIValue = DEFAULT_UG_INTERVAL; /* - For UGI based connections... - DEFAULT_UGI_FACTOR*UGIInterval worth of data is the max token count at host... - The extra amount of token is to ensure that a large amount of jitter won't have loss in throughput... - In case of non-UGI based connection, 200 frames worth of data is the max token count at host... - */ - + * For UGI based connections... + * DEFAULT_UGI_FACTOR*UGIInterval worth of data is the max token count at host... + * The extra amount of token is to ensure that a large amount of jitter won't have loss in throughput... + * In case of non-UGI based connection, 200 frames worth of data is the max token count at host... + */ Adapter->PackInfo[uiSearchRuleIndex].uiMaxBucketSize = - (DEFAULT_UGI_FACTOR*Adapter->PackInfo[uiSearchRuleIndex].uiMaxAllowedRate*UGIValue)/1000; + (DEFAULT_UGI_FACTOR*Adapter->PackInfo[uiSearchRuleIndex].uiMaxAllowedRate*UGIValue)/1000; - if(Adapter->PackInfo[uiSearchRuleIndex].uiMaxBucketSize < WIMAX_MAX_MTU*8) - { + if (Adapter->PackInfo[uiSearchRuleIndex].uiMaxBucketSize < WIMAX_MAX_MTU*8) { UINT UGIFactor = 0; /* Special Handling to ensure the biggest size of packet can go out from host to FW as follows: - 1. Any packet from Host to FW can go out in different packet size. - 2. So in case the Bucket count is smaller than MTU, the packets of size (Size > TokenCount), will get dropped. - 3. We can allow packets of MaxSize from Host->FW that can go out from FW in multiple SDUs by fragmentation at Wimax Layer - */ + * 1. Any packet from Host to FW can go out in different packet size. + * 2. So in case the Bucket count is smaller than MTU, the packets of size (Size > TokenCount), will get dropped. + * 3. We can allow packets of MaxSize from Host->FW that can go out from FW in multiple SDUs by fragmentation at Wimax Layer + */ UGIFactor = (Adapter->PackInfo[uiSearchRuleIndex].uiMaxLatency/UGIValue + 1); - if(UGIFactor > DEFAULT_UGI_FACTOR) - Adapter->PackInfo[uiSearchRuleIndex].uiMaxBucketSize = - (UGIFactor*Adapter->PackInfo[uiSearchRuleIndex].uiMaxAllowedRate*UGIValue)/1000; + if (UGIFactor > DEFAULT_UGI_FACTOR) + Adapter->PackInfo[uiSearchRuleIndex].uiMaxBucketSize = + (UGIFactor*Adapter->PackInfo[uiSearchRuleIndex].uiMaxAllowedRate*UGIValue)/1000; - if(Adapter->PackInfo[uiSearchRuleIndex].uiMaxBucketSize > WIMAX_MAX_MTU*8) + if (Adapter->PackInfo[uiSearchRuleIndex].uiMaxBucketSize > WIMAX_MAX_MTU*8) Adapter->PackInfo[uiSearchRuleIndex].uiMaxBucketSize = WIMAX_MAX_MTU*8; } + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "LAT: %d, UGI: %d\n", Adapter->PackInfo[uiSearchRuleIndex].uiMaxLatency, UGIValue); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "uiMaxAllowedRate: 0x%x, u32MaxSustainedTrafficRate: 0x%x ,uiMaxBucketSize: 0x%x", + Adapter->PackInfo[uiSearchRuleIndex].uiMaxAllowedRate, + ntohl(psfLocalSet->u32MaxSustainedTrafficRate), + Adapter->PackInfo[uiSearchRuleIndex].uiMaxBucketSize); - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"LAT: %d, UGI: %d \n", Adapter->PackInfo[uiSearchRuleIndex].uiMaxLatency, UGIValue); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"uiMaxAllowedRate: 0x%x, u32MaxSustainedTrafficRate: 0x%x ,uiMaxBucketSize: 0x%x", - Adapter->PackInfo[uiSearchRuleIndex].uiMaxAllowedRate, - ntohl(psfLocalSet->u32MaxSustainedTrafficRate), - Adapter->PackInfo[uiSearchRuleIndex].uiMaxBucketSize); - - //copy the extended SF Parameters to Support MIBS - CopyMIBSExtendedSFParameters(Adapter,psfLocalSet,uiSearchRuleIndex); + /* copy the extended SF Parameters to Support MIBS */ + CopyMIBSExtendedSFParameters(Adapter, psfLocalSet, uiSearchRuleIndex); - //store header suppression enabled flag per SF + /* store header suppression enabled flag per SF */ Adapter->PackInfo[uiSearchRuleIndex].bHeaderSuppressionEnabled = - !(psfLocalSet->u8RequesttransmissionPolicy & - MASK_DISABLE_HEADER_SUPPRESSION); + !(psfLocalSet->u8RequesttransmissionPolicy & + MASK_DISABLE_HEADER_SUPPRESSION); kfree(Adapter->PackInfo[uiSearchRuleIndex].pstSFIndication); Adapter->PackInfo[uiSearchRuleIndex].pstSFIndication = pstAddIndication; - //Re Sort the SF list in PackInfo according to Traffic Priority + /* Re Sort the SF list in PackInfo according to Traffic Priority */ SortPackInfo(Adapter); /* Re Sort the Classifier Rules table and re - arrange - according to Classifier Rule Priority */ + * according to Classifier Rule Priority + */ SortClassifiers(Adapter); - DumpPhsRules(&Adapter->stBCMPhsContext); - - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"%s <=====", __FUNCTION__); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "%s <=====", __func__); } - /*********************************************************************** -* Function - DumpCmControlPacket -* -* Description - This routinue Dumps the Contents of the AddIndication -* Structure in the Connection Management Control Packet -* -* Parameter - pvBuffer: Pointer to the buffer containing the -* AddIndication data. -* -* Returns - None -*************************************************************************/ + * Function - DumpCmControlPacket + * + * Description - This routinue Dumps the Contents of the AddIndication + * Structure in the Connection Management Control Packet + * + * Parameter - pvBuffer: Pointer to the buffer containing the + * AddIndication data. + * + * Returns - None + *************************************************************************/ static VOID DumpCmControlPacket(PVOID pvBuffer) { - UINT uiLoopIndex; - UINT nIndex; - stLocalSFAddIndicationAlt *pstAddIndication; - UINT nCurClassifierCnt; - PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev); + int uiLoopIndex; + int nIndex; + stLocalSFAddIndicationAlt *pstAddIndication; + UINT nCurClassifierCnt; + PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev); pstAddIndication = (stLocalSFAddIndicationAlt *)pvBuffer; - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "======>"); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8Type : 0x%X",pstAddIndication->u8Type); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8Direction : 0x%X",pstAddIndication->u8Direction); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16TID: 0x%X", ntohs(pstAddIndication->u16TID)); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16CID : 0x%X",ntohs(pstAddIndication->u16CID)); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16VCID : 0x%X",ntohs(pstAddIndication->u16VCID)); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " AuthorizedSet--->"); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32SFID : 0x%X",htonl(pstAddIndication->sfAuthorizedSet.u32SFID)); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16CID : 0x%X",htons(pstAddIndication->sfAuthorizedSet.u16CID)); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceClassNameLength : 0x%X", - pstAddIndication->sfAuthorizedSet.u8ServiceClassNameLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceClassName : 0x%X ,0x%X , 0x%X, 0x%X, 0x%X, 0x%X", + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "======>"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8Type: 0x%X", pstAddIndication->u8Type); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8Direction: 0x%X", pstAddIndication->u8Direction); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16TID: 0x%X", ntohs(pstAddIndication->u16TID)); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16CID: 0x%X", ntohs(pstAddIndication->u16CID)); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16VCID: 0x%X", ntohs(pstAddIndication->u16VCID)); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " AuthorizedSet--->"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32SFID: 0x%X", htonl(pstAddIndication->sfAuthorizedSet.u32SFID)); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16CID: 0x%X", htons(pstAddIndication->sfAuthorizedSet.u16CID)); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceClassNameLength: 0x%X", + pstAddIndication->sfAuthorizedSet.u8ServiceClassNameLength); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceClassName: 0x%X ,0x%X , 0x%X, 0x%X, 0x%X, 0x%X", pstAddIndication->sfAuthorizedSet.u8ServiceClassName[0], pstAddIndication->sfAuthorizedSet.u8ServiceClassName[1], pstAddIndication->sfAuthorizedSet.u8ServiceClassName[2], @@ -1033,207 +859,170 @@ static VOID DumpCmControlPacket(PVOID pvBuffer) pstAddIndication->sfAuthorizedSet.u8ServiceClassName[4], pstAddIndication->sfAuthorizedSet.u8ServiceClassName[5]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8MBSService : 0x%X", - pstAddIndication->sfAuthorizedSet.u8MBSService); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8QosParamSet : 0x%X", - pstAddIndication->sfAuthorizedSet.u8QosParamSet); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TrafficPriority : 0x%X, %p", - pstAddIndication->sfAuthorizedSet.u8TrafficPriority, &pstAddIndication->sfAuthorizedSet.u8TrafficPriority); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaxSustainedTrafficRate : 0x%X 0x%p", - pstAddIndication->sfAuthorizedSet.u32MaxSustainedTrafficRate, + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8MBSService: 0x%X", pstAddIndication->sfAuthorizedSet.u8MBSService); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8QosParamSet: 0x%X", pstAddIndication->sfAuthorizedSet.u8QosParamSet); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TrafficPriority: 0x%X, %p", + pstAddIndication->sfAuthorizedSet.u8TrafficPriority, &pstAddIndication->sfAuthorizedSet.u8TrafficPriority); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaxSustainedTrafficRate: 0x%X 0x%p", + pstAddIndication->sfAuthorizedSet.u32MaxSustainedTrafficRate, &pstAddIndication->sfAuthorizedSet.u32MaxSustainedTrafficRate); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaxTrafficBurst : 0x%X", - pstAddIndication->sfAuthorizedSet.u32MaxTrafficBurst); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MinReservedTrafficRate : 0x%X", - pstAddIndication->sfAuthorizedSet.u32MinReservedTrafficRate); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificQoSParamLength : 0x%X", - pstAddIndication->sfAuthorizedSet.u8VendorSpecificQoSParamLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificQoSParam : 0x%X", - pstAddIndication->sfAuthorizedSet.u8VendorSpecificQoSParam[0]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceFlowSchedulingType : 0x%X", - pstAddIndication->sfAuthorizedSet.u8ServiceFlowSchedulingType); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32ToleratedJitter : 0x%X", - pstAddIndication->sfAuthorizedSet.u32ToleratedJitter); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaximumLatency : 0x%X", - pstAddIndication->sfAuthorizedSet.u32MaximumLatency); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8FixedLengthVSVariableLengthSDUIndicator: 0x%X", - pstAddIndication->sfAuthorizedSet.u8FixedLengthVSVariableLengthSDUIndicator); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8SDUSize : 0x%X", - pstAddIndication->sfAuthorizedSet.u8SDUSize); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16TargetSAID : 0x%X", - pstAddIndication->sfAuthorizedSet.u16TargetSAID); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ARQEnable : 0x%X", - pstAddIndication->sfAuthorizedSet.u8ARQEnable); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQWindowSize : 0x%X", - pstAddIndication->sfAuthorizedSet.u16ARQWindowSize); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQRetryTxTimeOut : 0x%X", - pstAddIndication->sfAuthorizedSet.u16ARQRetryTxTimeOut); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQRetryRxTimeOut : 0x%X", - pstAddIndication->sfAuthorizedSet.u16ARQRetryRxTimeOut); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQBlockLifeTime : 0x%X", - pstAddIndication->sfAuthorizedSet.u16ARQBlockLifeTime); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQSyncLossTimeOut : 0x%X", - pstAddIndication->sfAuthorizedSet.u16ARQSyncLossTimeOut); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ARQDeliverInOrder : 0x%X", - pstAddIndication->sfAuthorizedSet.u8ARQDeliverInOrder); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQRxPurgeTimeOut : 0x%X", - pstAddIndication->sfAuthorizedSet.u16ARQRxPurgeTimeOut); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQBlockSize : 0x%X", - pstAddIndication->sfAuthorizedSet.u16ARQBlockSize); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8CSSpecification : 0x%X", - pstAddIndication->sfAuthorizedSet.u8CSSpecification); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TypeOfDataDeliveryService : 0x%X", - pstAddIndication->sfAuthorizedSet.u8TypeOfDataDeliveryService); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16SDUInterArrivalTime : 0x%X", - pstAddIndication->sfAuthorizedSet.u16SDUInterArrivalTime); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16TimeBase : 0x%X", - pstAddIndication->sfAuthorizedSet.u16TimeBase); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8PagingPreference : 0x%X", - pstAddIndication->sfAuthorizedSet.u8PagingPreference); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16UnsolicitedPollingInterval : 0x%X", - pstAddIndication->sfAuthorizedSet.u16UnsolicitedPollingInterval); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "sfAuthorizedSet.u8HARQChannelMapping %x %x %x ", - *(unsigned int*)pstAddIndication->sfAuthorizedSet.u8HARQChannelMapping, - *(unsigned int*)&pstAddIndication->sfAuthorizedSet.u8HARQChannelMapping[4], - *(USHORT*) &pstAddIndication->sfAuthorizedSet.u8HARQChannelMapping[8]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TrafficIndicationPreference : 0x%X", - pstAddIndication->sfAuthorizedSet.u8TrafficIndicationPreference); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " Total Classifiers Received : 0x%X",pstAddIndication->sfAuthorizedSet.u8TotalClassifiers); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaxTrafficBurst: 0x%X", pstAddIndication->sfAuthorizedSet.u32MaxTrafficBurst); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MinReservedTrafficRate : 0x%X", + pstAddIndication->sfAuthorizedSet.u32MinReservedTrafficRate); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificQoSParamLength: 0x%X", + pstAddIndication->sfAuthorizedSet.u8VendorSpecificQoSParamLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificQoSParam: 0x%X", + pstAddIndication->sfAuthorizedSet.u8VendorSpecificQoSParam[0]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceFlowSchedulingType: 0x%X", + pstAddIndication->sfAuthorizedSet.u8ServiceFlowSchedulingType); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32ToleratedJitter: 0x%X", pstAddIndication->sfAuthorizedSet.u32ToleratedJitter); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaximumLatency: 0x%X", pstAddIndication->sfAuthorizedSet.u32MaximumLatency); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8FixedLengthVSVariableLengthSDUIndicator: 0x%X", + pstAddIndication->sfAuthorizedSet.u8FixedLengthVSVariableLengthSDUIndicator); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8SDUSize: 0x%X", pstAddIndication->sfAuthorizedSet.u8SDUSize); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16TargetSAID: 0x%X", pstAddIndication->sfAuthorizedSet.u16TargetSAID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ARQEnable: 0x%X", pstAddIndication->sfAuthorizedSet.u8ARQEnable); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQWindowSize: 0x%X", pstAddIndication->sfAuthorizedSet.u16ARQWindowSize); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQRetryTxTimeOut: 0x%X", pstAddIndication->sfAuthorizedSet.u16ARQRetryTxTimeOut); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQRetryRxTimeOut: 0x%X", pstAddIndication->sfAuthorizedSet.u16ARQRetryRxTimeOut); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQBlockLifeTime: 0x%X", pstAddIndication->sfAuthorizedSet.u16ARQBlockLifeTime); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQSyncLossTimeOut: 0x%X", pstAddIndication->sfAuthorizedSet.u16ARQSyncLossTimeOut); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ARQDeliverInOrder: 0x%X", pstAddIndication->sfAuthorizedSet.u8ARQDeliverInOrder); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQRxPurgeTimeOut: 0x%X", pstAddIndication->sfAuthorizedSet.u16ARQRxPurgeTimeOut); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQBlockSize: 0x%X", pstAddIndication->sfAuthorizedSet.u16ARQBlockSize); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8CSSpecification: 0x%X", pstAddIndication->sfAuthorizedSet.u8CSSpecification); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TypeOfDataDeliveryService: 0x%X", + pstAddIndication->sfAuthorizedSet.u8TypeOfDataDeliveryService); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16SDUInterArrivalTime: 0x%X", pstAddIndication->sfAuthorizedSet.u16SDUInterArrivalTime); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16TimeBase: 0x%X", pstAddIndication->sfAuthorizedSet.u16TimeBase); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8PagingPreference: 0x%X", pstAddIndication->sfAuthorizedSet.u8PagingPreference); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16UnsolicitedPollingInterval: 0x%X", + pstAddIndication->sfAuthorizedSet.u16UnsolicitedPollingInterval); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "sfAuthorizedSet.u8HARQChannelMapping %x %x %x ", + *(unsigned int *)pstAddIndication->sfAuthorizedSet.u8HARQChannelMapping, + *(unsigned int *)&pstAddIndication->sfAuthorizedSet.u8HARQChannelMapping[4], + *(USHORT *)&pstAddIndication->sfAuthorizedSet.u8HARQChannelMapping[8]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TrafficIndicationPreference: 0x%X", + pstAddIndication->sfAuthorizedSet.u8TrafficIndicationPreference); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " Total Classifiers Received: 0x%X", pstAddIndication->sfAuthorizedSet.u8TotalClassifiers); nCurClassifierCnt = pstAddIndication->sfAuthorizedSet.u8TotalClassifiers; - - if(nCurClassifierCnt > MAX_CLASSIFIERS_IN_SF) - { + if (nCurClassifierCnt > MAX_CLASSIFIERS_IN_SF) nCurClassifierCnt = MAX_CLASSIFIERS_IN_SF; - } - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "pstAddIndication->sfAuthorizedSet.bValid %d", pstAddIndication->sfAuthorizedSet.bValid); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "pstAddIndication->sfAuthorizedSet.u16MacOverhead %x", pstAddIndication->sfAuthorizedSet.u16MacOverhead); - if(!pstAddIndication->sfAuthorizedSet.bValid) - pstAddIndication->sfAuthorizedSet.bValid=1; - for(nIndex = 0 ; nIndex < nCurClassifierCnt ; nIndex++) - { + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "pstAddIndication->sfAuthorizedSet.bValid %d", pstAddIndication->sfAuthorizedSet.bValid); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "pstAddIndication->sfAuthorizedSet.u16MacOverhead %x", pstAddIndication->sfAuthorizedSet.u16MacOverhead); + if (!pstAddIndication->sfAuthorizedSet.bValid) + pstAddIndication->sfAuthorizedSet.bValid = 1; + for (nIndex = 0; nIndex < nCurClassifierCnt; nIndex++) { stConvergenceSLTypes *psfCSType = NULL; psfCSType = &pstAddIndication->sfAuthorizedSet.cConvergenceSLTypes[nIndex]; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "psfCSType = %p", psfCSType); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "CCPacketClassificationRuleSI====>"); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ClassifierRulePriority :0x%X ", - psfCSType->cCPacketClassificationRule.u8ClassifierRulePriority); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPTypeOfServiceLength :0x%X ", - psfCSType->cCPacketClassificationRule.u8IPTypeOfServiceLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPTypeOfService[3] :0x%X ,0x%X ,0x%X ", - psfCSType->cCPacketClassificationRule.u8IPTypeOfService[0], - psfCSType->cCPacketClassificationRule.u8IPTypeOfService[1], - psfCSType->cCPacketClassificationRule.u8IPTypeOfService[2]); - - for(uiLoopIndex=0; uiLoopIndex < 1; uiLoopIndex++) - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8Protocol : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8Protocol); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPMaskedSourceAddressLength :0x%X ", - psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddressLength); - - for(uiLoopIndex=0; uiLoopIndex < 32; uiLoopIndex++) - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPMaskedSourceAddress[32] : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddress[uiLoopIndex]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPDestinationAddressLength : 0x%X ", - psfCSType->cCPacketClassificationRule.u8IPDestinationAddressLength); - - for(uiLoopIndex=0; uiLoopIndex < 32; uiLoopIndex++) - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPDestinationAddress[32] : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8IPDestinationAddress[uiLoopIndex]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolSourcePortRangeLength:0x%X ", - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRangeLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolSourcePortRange[4]: 0x%02X ,0x%02X ,0x%02X ,0x%02X ", - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[0], - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[1], - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[2], - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[3]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolDestPortRangeLength : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRangeLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolDestPortRange[4]: 0x%02X ,0x%02X ,0x%02X ,0x%02X ", - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[0], - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[1], - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[2], - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[3]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetDestMacAddressLength : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetDestMacAddress[6] : 0x %02X %02X %02X %02X %02X %02X", - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[0], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[1], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[2], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[3], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[4], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[5]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetSourceMACAddressLength : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetSourceMACAddress[6] : 0x %02X %02X %02X %02X %02X %02X", - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[0], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[1], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[2], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[3], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[4], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[5]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthertypeLength : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8EthertypeLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8Ethertype[3] : 0x%02X ,0x%02X ,0x%02X ", - psfCSType->cCPacketClassificationRule.u8Ethertype[0], - psfCSType->cCPacketClassificationRule.u8Ethertype[1], - psfCSType->cCPacketClassificationRule.u8Ethertype[2]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16UserPriority : 0x%X ", - psfCSType->cCPacketClassificationRule.u16UserPriority); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16VLANID : 0x%X ", - psfCSType->cCPacketClassificationRule.u16VLANID); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8AssociatedPHSI : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8AssociatedPHSI); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16PacketClassificationRuleIndex : 0x%X ", - psfCSType->cCPacketClassificationRule.u16PacketClassificationRuleIndex); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificClassifierParamLength : 0x%X ", - psfCSType->cCPacketClassificationRule.u8VendorSpecificClassifierParamLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificClassifierParam[1] : 0x%X ", - psfCSType->cCPacketClassificationRule.u8VendorSpecificClassifierParam[0]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "psfCSType = %p", psfCSType); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "CCPacketClassificationRuleSI====>"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ClassifierRulePriority: 0x%X ", + psfCSType->cCPacketClassificationRule.u8ClassifierRulePriority); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPTypeOfServiceLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8IPTypeOfServiceLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPTypeOfService[3]: 0x%X ,0x%X ,0x%X ", + psfCSType->cCPacketClassificationRule.u8IPTypeOfService[0], + psfCSType->cCPacketClassificationRule.u8IPTypeOfService[1], + psfCSType->cCPacketClassificationRule.u8IPTypeOfService[2]); + + for (uiLoopIndex = 0; uiLoopIndex < 1; uiLoopIndex++) + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8Protocol: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8Protocol); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPMaskedSourceAddressLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddressLength); + + for (uiLoopIndex = 0; uiLoopIndex < 32; uiLoopIndex++) + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPMaskedSourceAddress[32]: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddress[uiLoopIndex]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPDestinationAddressLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8IPDestinationAddressLength); + + for (uiLoopIndex = 0; uiLoopIndex < 32; uiLoopIndex++) + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPDestinationAddress[32]: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8IPDestinationAddress[uiLoopIndex]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolSourcePortRangeLength:0x%X ", + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRangeLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolSourcePortRange[4]: 0x%02X ,0x%02X ,0x%02X ,0x%02X ", + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[0], + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[1], + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[2], + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[3]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolDestPortRangeLength: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRangeLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolDestPortRange[4]: 0x%02X ,0x%02X ,0x%02X ,0x%02X ", + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[0], + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[1], + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[2], + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[3]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetDestMacAddressLength: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetDestMacAddress[6]: 0x %02X %02X %02X %02X %02X %02X", + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[0], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[1], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[2], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[3], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[4], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[5]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetSourceMACAddressLength: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetSourceMACAddress[6]: 0x %02X %02X %02X %02X %02X %02X", + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[0], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[1], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[2], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[3], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[4], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[5]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthertypeLength: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8EthertypeLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8Ethertype[3]: 0x%02X ,0x%02X ,0x%02X ", + psfCSType->cCPacketClassificationRule.u8Ethertype[0], + psfCSType->cCPacketClassificationRule.u8Ethertype[1], + psfCSType->cCPacketClassificationRule.u8Ethertype[2]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16UserPriority: 0x%X ", psfCSType->cCPacketClassificationRule.u16UserPriority); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16VLANID: 0x%X ", psfCSType->cCPacketClassificationRule.u16VLANID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8AssociatedPHSI: 0x%02X ", psfCSType->cCPacketClassificationRule.u8AssociatedPHSI); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16PacketClassificationRuleIndex: 0x%X ", + psfCSType->cCPacketClassificationRule.u16PacketClassificationRuleIndex); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificClassifierParamLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8VendorSpecificClassifierParamLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificClassifierParam[1]: 0x%X ", + psfCSType->cCPacketClassificationRule.u8VendorSpecificClassifierParam[0]); #ifdef VERSION_D5 - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPv6FlowLableLength :0x%X ", - psfCSType->cCPacketClassificationRule.u8IPv6FlowLableLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPv6FlowLable[6] : 0x %02X %02X %02X %02X %02X %02X ", - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[0], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[1], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[2], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[3], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[4], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[5]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPv6FlowLableLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8IPv6FlowLableLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPv6FlowLable[6]: 0x %02X %02X %02X %02X %02X %02X ", + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[0], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[1], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[2], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[3], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[4], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[5]); #endif } - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "bValid : 0x%02X",pstAddIndication->sfAuthorizedSet.bValid); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "AdmittedSet--->"); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32SFID : 0x%X",pstAddIndication->sfAdmittedSet.u32SFID); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16CID : 0x%X",pstAddIndication->sfAdmittedSet.u16CID); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceClassNameLength : 0x%X", - pstAddIndication->sfAdmittedSet.u8ServiceClassNameLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceClassName : 0x %02X %02X %02X %02X %02X %02X", + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "bValid: 0x%02X", pstAddIndication->sfAuthorizedSet.bValid); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "AdmittedSet--->"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32SFID: 0x%X", pstAddIndication->sfAdmittedSet.u32SFID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16CID: 0x%X", pstAddIndication->sfAdmittedSet.u16CID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceClassNameLength: 0x%X", + pstAddIndication->sfAdmittedSet.u8ServiceClassNameLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceClassName: 0x %02X %02X %02X %02X %02X %02X", pstAddIndication->sfAdmittedSet.u8ServiceClassName[0], pstAddIndication->sfAdmittedSet.u8ServiceClassName[1], pstAddIndication->sfAdmittedSet.u8ServiceClassName[2], @@ -1241,429 +1030,338 @@ static VOID DumpCmControlPacket(PVOID pvBuffer) pstAddIndication->sfAdmittedSet.u8ServiceClassName[4], pstAddIndication->sfAdmittedSet.u8ServiceClassName[5]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8MBSService : 0x%02X", - pstAddIndication->sfAdmittedSet.u8MBSService); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8QosParamSet : 0x%02X", - pstAddIndication->sfAdmittedSet.u8QosParamSet); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TrafficPriority : 0x%02X", - pstAddIndication->sfAdmittedSet.u8TrafficPriority); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaxTrafficBurst : 0x%X", - pstAddIndication->sfAdmittedSet.u32MaxTrafficBurst); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MinReservedTrafficRate : 0x%X", - pstAddIndication->sfAdmittedSet.u32MinReservedTrafficRate); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificQoSParamLength : 0x%02X", - pstAddIndication->sfAdmittedSet.u8VendorSpecificQoSParamLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificQoSParam : 0x%02X", - pstAddIndication->sfAdmittedSet.u8VendorSpecificQoSParam[0]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceFlowSchedulingType : 0x%02X", - pstAddIndication->sfAdmittedSet.u8ServiceFlowSchedulingType); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32ToleratedJitter : 0x%X", - pstAddIndication->sfAdmittedSet.u32ToleratedJitter); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaximumLatency : 0x%X", - pstAddIndication->sfAdmittedSet.u32MaximumLatency); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8FixedLengthVSVariableLengthSDUIndicator: 0x%02X", - pstAddIndication->sfAdmittedSet.u8FixedLengthVSVariableLengthSDUIndicator); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8SDUSize : 0x%02X", - pstAddIndication->sfAdmittedSet.u8SDUSize); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16TargetSAID : 0x%02X", - pstAddIndication->sfAdmittedSet.u16TargetSAID); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ARQEnable : 0x%02X", - pstAddIndication->sfAdmittedSet.u8ARQEnable); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQWindowSize : 0x%X", - pstAddIndication->sfAdmittedSet.u16ARQWindowSize); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQRetryTxTimeOut : 0x%X", - pstAddIndication->sfAdmittedSet.u16ARQRetryTxTimeOut); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQRetryRxTimeOut : 0x%X", - pstAddIndication->sfAdmittedSet.u16ARQRetryRxTimeOut); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQBlockLifeTime : 0x%X", - pstAddIndication->sfAdmittedSet.u16ARQBlockLifeTime); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQSyncLossTimeOut : 0x%X", - pstAddIndication->sfAdmittedSet.u16ARQSyncLossTimeOut); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ARQDeliverInOrder : 0x%02X", - pstAddIndication->sfAdmittedSet.u8ARQDeliverInOrder); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQRxPurgeTimeOut : 0x%X", - pstAddIndication->sfAdmittedSet.u16ARQRxPurgeTimeOut); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQBlockSize : 0x%X", - pstAddIndication->sfAdmittedSet.u16ARQBlockSize); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8CSSpecification : 0x%02X", - pstAddIndication->sfAdmittedSet.u8CSSpecification); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TypeOfDataDeliveryService : 0x%02X", - pstAddIndication->sfAdmittedSet.u8TypeOfDataDeliveryService); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16SDUInterArrivalTime : 0x%X", - pstAddIndication->sfAdmittedSet.u16SDUInterArrivalTime); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16TimeBase : 0x%X", - pstAddIndication->sfAdmittedSet.u16TimeBase); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8PagingPreference : 0x%X", - pstAddIndication->sfAdmittedSet.u8PagingPreference); - - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TrafficIndicationPreference : 0x%02X", - pstAddIndication->sfAdmittedSet.u8TrafficIndicationPreference); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " Total Classifiers Received : 0x%X",pstAddIndication->sfAdmittedSet.u8TotalClassifiers); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8MBSService: 0x%02X", pstAddIndication->sfAdmittedSet.u8MBSService); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8QosParamSet: 0x%02X", pstAddIndication->sfAdmittedSet.u8QosParamSet); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TrafficPriority: 0x%02X", pstAddIndication->sfAdmittedSet.u8TrafficPriority); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaxTrafficBurst: 0x%X", pstAddIndication->sfAdmittedSet.u32MaxTrafficBurst); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MinReservedTrafficRate: 0x%X", + pstAddIndication->sfAdmittedSet.u32MinReservedTrafficRate); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificQoSParamLength: 0x%02X", + pstAddIndication->sfAdmittedSet.u8VendorSpecificQoSParamLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificQoSParam: 0x%02X", + pstAddIndication->sfAdmittedSet.u8VendorSpecificQoSParam[0]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceFlowSchedulingType: 0x%02X", + pstAddIndication->sfAdmittedSet.u8ServiceFlowSchedulingType); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32ToleratedJitter: 0x%X", pstAddIndication->sfAdmittedSet.u32ToleratedJitter); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaximumLatency: 0x%X", pstAddIndication->sfAdmittedSet.u32MaximumLatency); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8FixedLengthVSVariableLengthSDUIndicator: 0x%02X", + pstAddIndication->sfAdmittedSet.u8FixedLengthVSVariableLengthSDUIndicator); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8SDUSize: 0x%02X", pstAddIndication->sfAdmittedSet.u8SDUSize); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16TargetSAID: 0x%02X", pstAddIndication->sfAdmittedSet.u16TargetSAID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ARQEnable: 0x%02X", pstAddIndication->sfAdmittedSet.u8ARQEnable); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQWindowSize: 0x%X", pstAddIndication->sfAdmittedSet.u16ARQWindowSize); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQRetryTxTimeOut: 0x%X", pstAddIndication->sfAdmittedSet.u16ARQRetryTxTimeOut); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQRetryRxTimeOut: 0x%X", pstAddIndication->sfAdmittedSet.u16ARQRetryRxTimeOut); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQBlockLifeTime: 0x%X", pstAddIndication->sfAdmittedSet.u16ARQBlockLifeTime); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQSyncLossTimeOut: 0x%X", pstAddIndication->sfAdmittedSet.u16ARQSyncLossTimeOut); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ARQDeliverInOrder: 0x%02X", pstAddIndication->sfAdmittedSet.u8ARQDeliverInOrder); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQRxPurgeTimeOut: 0x%X", pstAddIndication->sfAdmittedSet.u16ARQRxPurgeTimeOut); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16ARQBlockSize: 0x%X", pstAddIndication->sfAdmittedSet.u16ARQBlockSize); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8CSSpecification: 0x%02X", pstAddIndication->sfAdmittedSet.u8CSSpecification); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TypeOfDataDeliveryService: 0x%02X", + pstAddIndication->sfAdmittedSet.u8TypeOfDataDeliveryService); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16SDUInterArrivalTime: 0x%X", pstAddIndication->sfAdmittedSet.u16SDUInterArrivalTime); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16TimeBase: 0x%X", pstAddIndication->sfAdmittedSet.u16TimeBase); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8PagingPreference: 0x%X", pstAddIndication->sfAdmittedSet.u8PagingPreference); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TrafficIndicationPreference: 0x%02X", + pstAddIndication->sfAdmittedSet.u8TrafficIndicationPreference); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " Total Classifiers Received: 0x%X", pstAddIndication->sfAdmittedSet.u8TotalClassifiers); nCurClassifierCnt = pstAddIndication->sfAdmittedSet.u8TotalClassifiers; - - if(nCurClassifierCnt > MAX_CLASSIFIERS_IN_SF) - { + if (nCurClassifierCnt > MAX_CLASSIFIERS_IN_SF) nCurClassifierCnt = MAX_CLASSIFIERS_IN_SF; - } - - - for(nIndex = 0 ; nIndex < nCurClassifierCnt ; nIndex++) - { + for (nIndex = 0; nIndex < nCurClassifierCnt; nIndex++) { stConvergenceSLTypes *psfCSType = NULL; - psfCSType = &pstAddIndication->sfAdmittedSet.cConvergenceSLTypes[nIndex]; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " CCPacketClassificationRuleSI====>"); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ClassifierRulePriority :0x%02X ", - psfCSType->cCPacketClassificationRule.u8ClassifierRulePriority); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPTypeOfServiceLength :0x%02X", - psfCSType->cCPacketClassificationRule.u8IPTypeOfServiceLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPTypeOfService[3] :0x%02X %02X %02X", - psfCSType->cCPacketClassificationRule.u8IPTypeOfService[0], - psfCSType->cCPacketClassificationRule.u8IPTypeOfService[1], - psfCSType->cCPacketClassificationRule.u8IPTypeOfService[2]); - for(uiLoopIndex=0; uiLoopIndex < 1; uiLoopIndex++) - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8Protocol: 0x%02X ", - psfCSType->cCPacketClassificationRule.u8Protocol); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPMaskedSourceAddressLength :0x%02X ", - psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddressLength); - - for(uiLoopIndex=0; uiLoopIndex < 32; uiLoopIndex++) - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPMaskedSourceAddress[32] : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddress[uiLoopIndex]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPDestinationAddressLength : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8IPDestinationAddressLength); - - for(uiLoopIndex=0; uiLoopIndex < 32; uiLoopIndex++) - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPDestinationAddress[32] : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8IPDestinationAddress[uiLoopIndex]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolSourcePortRangeLength : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRangeLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolSourcePortRange[4] : 0x %02X %02X %02X %02X ", - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[0], - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[1], - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[2], - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[3]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolDestPortRangeLength : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRangeLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolDestPortRange[4] : 0x %02X %02X %02X %02X ", - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[0], - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[1], - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[2], - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[3]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetDestMacAddressLength : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetDestMacAddress[6] : 0x %02X %02X %02X %02X %02X %02X", - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[0], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[1], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[2], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[3], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[4], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[5]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetSourceMACAddressLength : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetSourceMACAddress[6] : 0x %02X %02X %02X %02X %02X %02X", - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[0], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[1], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[2], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[3], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[4], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[5]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthertypeLength : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8EthertypeLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8Ethertype[3] : 0x%02X %02X %02X", - psfCSType->cCPacketClassificationRule.u8Ethertype[0], - psfCSType->cCPacketClassificationRule.u8Ethertype[1], - psfCSType->cCPacketClassificationRule.u8Ethertype[2]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16UserPriority : 0x%X ", - psfCSType->cCPacketClassificationRule.u16UserPriority); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16VLANID : 0x%X ", - psfCSType->cCPacketClassificationRule.u16VLANID); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8AssociatedPHSI : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8AssociatedPHSI); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16PacketClassificationRuleIndex : 0x%X ", - psfCSType->cCPacketClassificationRule.u16PacketClassificationRuleIndex); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificClassifierParamLength : 0x%02X", - psfCSType->cCPacketClassificationRule.u8VendorSpecificClassifierParamLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificClassifierParam[1] : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8VendorSpecificClassifierParam[0]); + psfCSType = &pstAddIndication->sfAdmittedSet.cConvergenceSLTypes[nIndex]; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " CCPacketClassificationRuleSI====>"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ClassifierRulePriority: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8ClassifierRulePriority); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPTypeOfServiceLength: 0x%02X", + psfCSType->cCPacketClassificationRule.u8IPTypeOfServiceLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPTypeOfService[3]: 0x%02X %02X %02X", + psfCSType->cCPacketClassificationRule.u8IPTypeOfService[0], + psfCSType->cCPacketClassificationRule.u8IPTypeOfService[1], + psfCSType->cCPacketClassificationRule.u8IPTypeOfService[2]); + for (uiLoopIndex = 0; uiLoopIndex < 1; uiLoopIndex++) + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8Protocol: 0x%02X ", psfCSType->cCPacketClassificationRule.u8Protocol); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPMaskedSourceAddressLength: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddressLength); + + for (uiLoopIndex = 0; uiLoopIndex < 32; uiLoopIndex++) + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPMaskedSourceAddress[32]: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddress[uiLoopIndex]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPDestinationAddressLength: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8IPDestinationAddressLength); + + for (uiLoopIndex = 0; uiLoopIndex < 32; uiLoopIndex++) + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPDestinationAddress[32]: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8IPDestinationAddress[uiLoopIndex]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolSourcePortRangeLength: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRangeLength); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolSourcePortRange[4]: 0x %02X %02X %02X %02X ", + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[0], + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[1], + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[2], + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[3]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolDestPortRangeLength: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRangeLength); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ProtocolDestPortRange[4]: 0x %02X %02X %02X %02X ", + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[0], + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[1], + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[2], + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[3]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetDestMacAddressLength: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetDestMacAddress[6]: 0x %02X %02X %02X %02X %02X %02X", + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[0], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[1], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[2], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[3], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[4], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[5]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetSourceMACAddressLength: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetSourceMACAddress[6]: 0x %02X %02X %02X %02X %02X %02X", + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[0], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[1], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[2], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[3], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[4], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[5]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthertypeLength: 0x%02X ", psfCSType->cCPacketClassificationRule.u8EthertypeLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8Ethertype[3]: 0x%02X %02X %02X", + psfCSType->cCPacketClassificationRule.u8Ethertype[0], + psfCSType->cCPacketClassificationRule.u8Ethertype[1], + psfCSType->cCPacketClassificationRule.u8Ethertype[2]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16UserPriority: 0x%X ", psfCSType->cCPacketClassificationRule.u16UserPriority); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16VLANID: 0x%X ", psfCSType->cCPacketClassificationRule.u16VLANID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8AssociatedPHSI: 0x%02X ", psfCSType->cCPacketClassificationRule.u8AssociatedPHSI); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16PacketClassificationRuleIndex: 0x%X ", + psfCSType->cCPacketClassificationRule.u16PacketClassificationRuleIndex); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificClassifierParamLength: 0x%02X", + psfCSType->cCPacketClassificationRule.u8VendorSpecificClassifierParamLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificClassifierParam[1]: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8VendorSpecificClassifierParam[0]); #ifdef VERSION_D5 - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPv6FlowLableLength : 0x%X ", - psfCSType->cCPacketClassificationRule.u8IPv6FlowLableLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPv6FlowLable[6] : 0x %02X %02X %02X %02X %02X %02X ", - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[0], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[1], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[2], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[3], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[4], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[5]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPv6FlowLableLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8IPv6FlowLableLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPv6FlowLable[6]: 0x %02X %02X %02X %02X %02X %02X ", + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[0], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[1], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[2], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[3], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[4], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[5]); #endif } - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "bValid : 0x%X",pstAddIndication->sfAdmittedSet.bValid); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " ActiveSet--->"); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32SFID : 0x%X",pstAddIndication->sfActiveSet.u32SFID); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16CID : 0x%X",pstAddIndication->sfActiveSet.u16CID); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceClassNameLength : 0x%X", - pstAddIndication->sfActiveSet.u8ServiceClassNameLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceClassName : 0x %02X %02X %02X %02X %02X %02X", - pstAddIndication->sfActiveSet.u8ServiceClassName[0], - pstAddIndication->sfActiveSet.u8ServiceClassName[1], - pstAddIndication->sfActiveSet.u8ServiceClassName[2], - pstAddIndication->sfActiveSet.u8ServiceClassName[3], - pstAddIndication->sfActiveSet.u8ServiceClassName[4], - pstAddIndication->sfActiveSet.u8ServiceClassName[5]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8MBSService : 0x%02X", - pstAddIndication->sfActiveSet.u8MBSService); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8QosParamSet : 0x%02X", - pstAddIndication->sfActiveSet.u8QosParamSet); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TrafficPriority : 0x%02X", - pstAddIndication->sfActiveSet.u8TrafficPriority); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaxTrafficBurst : 0x%X", - pstAddIndication->sfActiveSet.u32MaxTrafficBurst); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MinReservedTrafficRate : 0x%X", - pstAddIndication->sfActiveSet.u32MinReservedTrafficRate); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificQoSParamLength : 0x%02X", - pstAddIndication->sfActiveSet.u8VendorSpecificQoSParamLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificQoSParam : 0x%02X", - pstAddIndication->sfActiveSet.u8VendorSpecificQoSParam[0]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceFlowSchedulingType : 0x%02X", - pstAddIndication->sfActiveSet.u8ServiceFlowSchedulingType); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32ToleratedJitter : 0x%X", - pstAddIndication->sfActiveSet.u32ToleratedJitter); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaximumLatency : 0x%X", - pstAddIndication->sfActiveSet.u32MaximumLatency); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8FixedLengthVSVariableLengthSDUIndicator: 0x%02X", - pstAddIndication->sfActiveSet.u8FixedLengthVSVariableLengthSDUIndicator); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8SDUSize : 0x%X", - pstAddIndication->sfActiveSet.u8SDUSize); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16TargetSAID : 0x%X", - pstAddIndication->sfActiveSet.u16TargetSAID); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ARQEnable : 0x%X", - pstAddIndication->sfActiveSet.u8ARQEnable); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQWindowSize : 0x%X", - pstAddIndication->sfActiveSet.u16ARQWindowSize); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQRetryTxTimeOut : 0x%X", - pstAddIndication->sfActiveSet.u16ARQRetryTxTimeOut); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQRetryRxTimeOut : 0x%X", - pstAddIndication->sfActiveSet.u16ARQRetryRxTimeOut); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQBlockLifeTime : 0x%X", - pstAddIndication->sfActiveSet.u16ARQBlockLifeTime); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQSyncLossTimeOut : 0x%X", - pstAddIndication->sfActiveSet.u16ARQSyncLossTimeOut); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ARQDeliverInOrder : 0x%X", - pstAddIndication->sfActiveSet.u8ARQDeliverInOrder); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQRxPurgeTimeOut : 0x%X", - pstAddIndication->sfActiveSet.u16ARQRxPurgeTimeOut); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQBlockSize : 0x%X", - pstAddIndication->sfActiveSet.u16ARQBlockSize); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8CSSpecification : 0x%X", - pstAddIndication->sfActiveSet.u8CSSpecification); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8TypeOfDataDeliveryService : 0x%X", - pstAddIndication->sfActiveSet.u8TypeOfDataDeliveryService); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16SDUInterArrivalTime : 0x%X", - pstAddIndication->sfActiveSet.u16SDUInterArrivalTime); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16TimeBase : 0x%X", - pstAddIndication->sfActiveSet.u16TimeBase); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8PagingPreference : 0x%X", - pstAddIndication->sfActiveSet.u8PagingPreference); - - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8TrafficIndicationPreference : 0x%X", - pstAddIndication->sfActiveSet.u8TrafficIndicationPreference); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " Total Classifiers Received : 0x%X",pstAddIndication->sfActiveSet.u8TotalClassifiers); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "bValid: 0x%X", pstAddIndication->sfAdmittedSet.bValid); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " ActiveSet--->"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32SFID: 0x%X", pstAddIndication->sfActiveSet.u32SFID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u16CID: 0x%X", pstAddIndication->sfActiveSet.u16CID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceClassNameLength: 0x%X", pstAddIndication->sfActiveSet.u8ServiceClassNameLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceClassName: 0x %02X %02X %02X %02X %02X %02X", + pstAddIndication->sfActiveSet.u8ServiceClassName[0], + pstAddIndication->sfActiveSet.u8ServiceClassName[1], + pstAddIndication->sfActiveSet.u8ServiceClassName[2], + pstAddIndication->sfActiveSet.u8ServiceClassName[3], + pstAddIndication->sfActiveSet.u8ServiceClassName[4], + pstAddIndication->sfActiveSet.u8ServiceClassName[5]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8MBSService: 0x%02X", pstAddIndication->sfActiveSet.u8MBSService); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8QosParamSet: 0x%02X", pstAddIndication->sfActiveSet.u8QosParamSet); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8TrafficPriority: 0x%02X", pstAddIndication->sfActiveSet.u8TrafficPriority); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaxTrafficBurst: 0x%X", pstAddIndication->sfActiveSet.u32MaxTrafficBurst); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MinReservedTrafficRate: 0x%X", + pstAddIndication->sfActiveSet.u32MinReservedTrafficRate); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificQoSParamLength: 0x%02X", + pstAddIndication->sfActiveSet.u8VendorSpecificQoSParamLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8VendorSpecificQoSParam: 0x%02X", + pstAddIndication->sfActiveSet.u8VendorSpecificQoSParam[0]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8ServiceFlowSchedulingType: 0x%02X", + pstAddIndication->sfActiveSet.u8ServiceFlowSchedulingType); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32ToleratedJitter: 0x%X", pstAddIndication->sfActiveSet.u32ToleratedJitter); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u32MaximumLatency: 0x%X", pstAddIndication->sfActiveSet.u32MaximumLatency); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8FixedLengthVSVariableLengthSDUIndicator: 0x%02X", + pstAddIndication->sfActiveSet.u8FixedLengthVSVariableLengthSDUIndicator); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8SDUSize: 0x%X", pstAddIndication->sfActiveSet.u8SDUSize); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16TargetSAID: 0x%X", pstAddIndication->sfActiveSet.u16TargetSAID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ARQEnable: 0x%X", pstAddIndication->sfActiveSet.u8ARQEnable); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQWindowSize: 0x%X", pstAddIndication->sfActiveSet.u16ARQWindowSize); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQRetryTxTimeOut: 0x%X", pstAddIndication->sfActiveSet.u16ARQRetryTxTimeOut); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQRetryRxTimeOut: 0x%X", pstAddIndication->sfActiveSet.u16ARQRetryRxTimeOut); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQBlockLifeTime: 0x%X", pstAddIndication->sfActiveSet.u16ARQBlockLifeTime); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQSyncLossTimeOut: 0x%X", pstAddIndication->sfActiveSet.u16ARQSyncLossTimeOut); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ARQDeliverInOrder: 0x%X", pstAddIndication->sfActiveSet.u8ARQDeliverInOrder); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQRxPurgeTimeOut: 0x%X", pstAddIndication->sfActiveSet.u16ARQRxPurgeTimeOut); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16ARQBlockSize: 0x%X", pstAddIndication->sfActiveSet.u16ARQBlockSize); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8CSSpecification: 0x%X", pstAddIndication->sfActiveSet.u8CSSpecification); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8TypeOfDataDeliveryService: 0x%X", + pstAddIndication->sfActiveSet.u8TypeOfDataDeliveryService); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16SDUInterArrivalTime: 0x%X", pstAddIndication->sfActiveSet.u16SDUInterArrivalTime); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16TimeBase: 0x%X", pstAddIndication->sfActiveSet.u16TimeBase); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8PagingPreference: 0x%X", pstAddIndication->sfActiveSet.u8PagingPreference); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8TrafficIndicationPreference: 0x%X", + pstAddIndication->sfActiveSet.u8TrafficIndicationPreference); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " Total Classifiers Received: 0x%X", pstAddIndication->sfActiveSet.u8TotalClassifiers); nCurClassifierCnt = pstAddIndication->sfActiveSet.u8TotalClassifiers; - - if(nCurClassifierCnt > MAX_CLASSIFIERS_IN_SF) - { + if (nCurClassifierCnt > MAX_CLASSIFIERS_IN_SF) nCurClassifierCnt = MAX_CLASSIFIERS_IN_SF; - } - - for(nIndex = 0 ; nIndex < nCurClassifierCnt ; nIndex++) - { + for (nIndex = 0; nIndex < nCurClassifierCnt; nIndex++) { stConvergenceSLTypes *psfCSType = NULL; - psfCSType = &pstAddIndication->sfActiveSet.cConvergenceSLTypes[nIndex]; - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " CCPacketClassificationRuleSI====>"); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ClassifierRulePriority :0x%X ", - psfCSType->cCPacketClassificationRule.u8ClassifierRulePriority); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8IPTypeOfServiceLength :0x%X ", - psfCSType->cCPacketClassificationRule.u8IPTypeOfServiceLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8IPTypeOfService[3] :0x%X ,0x%X ,0x%X ", - psfCSType->cCPacketClassificationRule.u8IPTypeOfService[0], - psfCSType->cCPacketClassificationRule.u8IPTypeOfService[1], - psfCSType->cCPacketClassificationRule.u8IPTypeOfService[2]); - for(uiLoopIndex=0; uiLoopIndex < 1; uiLoopIndex++) - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8Protocol : 0x%X ", - psfCSType->cCPacketClassificationRule.u8Protocol); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPMaskedSourceAddressLength :0x%X ", - psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddressLength); - - for(uiLoopIndex=0; uiLoopIndex < 32; uiLoopIndex++) - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPMaskedSourceAddress[32]:0x%X ", - psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddress[uiLoopIndex]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPDestinationAddressLength : 0x%02X ", - psfCSType->cCPacketClassificationRule.u8IPDestinationAddressLength); - - for(uiLoopIndex=0;uiLoopIndex<32;uiLoopIndex++) - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8IPDestinationAddress[32]:0x%X ", - psfCSType->cCPacketClassificationRule.u8IPDestinationAddress[uiLoopIndex]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ProtocolSourcePortRangeLength:0x%X ", - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRangeLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ProtocolSourcePortRange[4]:0x%X ,0x%X ,0x%X ,0x%X ", - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[0], - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[1], - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[2], - psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[3]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ProtocolDestPortRangeLength:0x%X ", - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRangeLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ProtocolDestPortRange[4]:0x%X ,0x%X ,0x%X ,0x%X ", - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[0], - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[1], - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[2], - psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[3]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8EthernetDestMacAddressLength:0x%X ", - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8EthernetDestMacAddress[6]:0x%X ,0x%X ,0x%X ,0x%X ,0x%X ,0x%X", - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[0], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[1], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[2], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[3], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[4], - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[5]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8EthernetSourceMACAddressLength:0x%X ", - psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetSourceMACAddress[6]:0x%X ,0x%X ,0x%X ,0x%X ,0x%X ,0x%X", - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[0], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[1], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[2], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[3], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[4], - psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[5]); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8EthertypeLength :0x%X ", - psfCSType->cCPacketClassificationRule.u8EthertypeLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8Ethertype[3] :0x%X ,0x%X ,0x%X ", - psfCSType->cCPacketClassificationRule.u8Ethertype[0], - psfCSType->cCPacketClassificationRule.u8Ethertype[1], - psfCSType->cCPacketClassificationRule.u8Ethertype[2]); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16UserPriority :0x%X ", - psfCSType->cCPacketClassificationRule.u16UserPriority); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16VLANID :0x%X ", - psfCSType->cCPacketClassificationRule.u16VLANID); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8AssociatedPHSI :0x%X ", - psfCSType->cCPacketClassificationRule.u8AssociatedPHSI); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16PacketClassificationRuleIndex:0x%X ", - psfCSType->cCPacketClassificationRule.u16PacketClassificationRuleIndex); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8VendorSpecificClassifierParamLength:0x%X ", - psfCSType->cCPacketClassificationRule.u8VendorSpecificClassifierParamLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8VendorSpecificClassifierParam[1]:0x%X ", - psfCSType->cCPacketClassificationRule.u8VendorSpecificClassifierParam[0]); + psfCSType = &pstAddIndication->sfActiveSet.cConvergenceSLTypes[nIndex]; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " CCPacketClassificationRuleSI====>"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ClassifierRulePriority: 0x%X ", + psfCSType->cCPacketClassificationRule.u8ClassifierRulePriority); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8IPTypeOfServiceLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8IPTypeOfServiceLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8IPTypeOfService[3]: 0x%X ,0x%X ,0x%X ", + psfCSType->cCPacketClassificationRule.u8IPTypeOfService[0], + psfCSType->cCPacketClassificationRule.u8IPTypeOfService[1], + psfCSType->cCPacketClassificationRule.u8IPTypeOfService[2]); + + for (uiLoopIndex = 0; uiLoopIndex < 1; uiLoopIndex++) + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8Protocol: 0x%X ", psfCSType->cCPacketClassificationRule.u8Protocol); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPMaskedSourceAddressLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddressLength); + + for (uiLoopIndex = 0; uiLoopIndex < 32; uiLoopIndex++) + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPMaskedSourceAddress[32]: 0x%X ", + psfCSType->cCPacketClassificationRule.u8IPMaskedSourceAddress[uiLoopIndex]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8IPDestinationAddressLength: 0x%02X ", + psfCSType->cCPacketClassificationRule.u8IPDestinationAddressLength); + + for (uiLoopIndex = 0; uiLoopIndex < 32; uiLoopIndex++) + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8IPDestinationAddress[32]:0x%X ", + psfCSType->cCPacketClassificationRule.u8IPDestinationAddress[uiLoopIndex]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ProtocolSourcePortRangeLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRangeLength); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ProtocolSourcePortRange[4]: 0x%X ,0x%X ,0x%X ,0x%X ", + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[0], + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[1], + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[2], + psfCSType->cCPacketClassificationRule.u8ProtocolSourcePortRange[3]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ProtocolDestPortRangeLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRangeLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8ProtocolDestPortRange[4]: 0x%X ,0x%X ,0x%X ,0x%X ", + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[0], + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[1], + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[2], + psfCSType->cCPacketClassificationRule.u8ProtocolDestPortRange[3]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8EthernetDestMacAddressLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8EthernetDestMacAddress[6]: 0x%X ,0x%X ,0x%X ,0x%X ,0x%X ,0x%X", + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[0], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[1], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[2], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[3], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[4], + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddress[5]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8EthernetSourceMACAddressLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8EthernetDestMacAddressLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, "u8EthernetSourceMACAddress[6]: 0x%X ,0x%X ,0x%X ,0x%X ,0x%X ,0x%X", + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[0], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[1], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[2], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[3], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[4], + psfCSType->cCPacketClassificationRule.u8EthernetSourceMACAddress[5]); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8EthertypeLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8EthertypeLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8Ethertype[3]: 0x%X ,0x%X ,0x%X ", + psfCSType->cCPacketClassificationRule.u8Ethertype[0], + psfCSType->cCPacketClassificationRule.u8Ethertype[1], + psfCSType->cCPacketClassificationRule.u8Ethertype[2]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16UserPriority: 0x%X ", + psfCSType->cCPacketClassificationRule.u16UserPriority); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16VLANID: 0x%X ", psfCSType->cCPacketClassificationRule.u16VLANID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8AssociatedPHSI: 0x%X ", psfCSType->cCPacketClassificationRule.u8AssociatedPHSI); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u16PacketClassificationRuleIndex:0x%X ", + psfCSType->cCPacketClassificationRule.u16PacketClassificationRuleIndex); + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8VendorSpecificClassifierParamLength:0x%X ", + psfCSType->cCPacketClassificationRule.u8VendorSpecificClassifierParamLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8VendorSpecificClassifierParam[1]:0x%X ", + psfCSType->cCPacketClassificationRule.u8VendorSpecificClassifierParam[0]); #ifdef VERSION_D5 - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8IPv6FlowLableLength :0x%X ", - psfCSType->cCPacketClassificationRule.u8IPv6FlowLableLength); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8IPv6FlowLable[6] :0x%X ,0x%X ,0x%X ,0x%X ,0x%X ,0x%X ", - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[0], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[1], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[2], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[3], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[4], - psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[5]); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8IPv6FlowLableLength: 0x%X ", + psfCSType->cCPacketClassificationRule.u8IPv6FlowLableLength); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " u8IPv6FlowLable[6]: 0x%X ,0x%X ,0x%X ,0x%X ,0x%X ,0x%X ", + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[0], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[1], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[2], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[3], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[4], + psfCSType->cCPacketClassificationRule.u8IPv6FlowLable[5]); #endif } - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " bValid : 0x%X",pstAddIndication->sfActiveSet.bValid); - + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, DUMP_CONTROL, DBG_LVL_ALL, " bValid: 0x%X", pstAddIndication->sfActiveSet.bValid); } -static inline ULONG RestoreSFParam(PMINI_ADAPTER Adapter, ULONG ulAddrSFParamSet,PUCHAR pucDestBuffer) +static inline ULONG RestoreSFParam(PMINI_ADAPTER Adapter, ULONG ulAddrSFParamSet, PUCHAR pucDestBuffer) { UINT nBytesToRead = sizeof(stServiceFlowParamSI); - if(ulAddrSFParamSet == 0 || NULL == pucDestBuffer) - { - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Got Param address as 0!!"); + if (ulAddrSFParamSet == 0 || NULL == pucDestBuffer) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Got Param address as 0!!"); return 0; } ulAddrSFParamSet = ntohl(ulAddrSFParamSet); - //Read out the SF Param Set At the indicated Location - if(rdm(Adapter, ulAddrSFParamSet, (PUCHAR)pucDestBuffer, nBytesToRead) < 0) + /* Read out the SF Param Set At the indicated Location */ + if (rdm(Adapter, ulAddrSFParamSet, (PUCHAR)pucDestBuffer, nBytesToRead) < 0) return STATUS_FAILURE; return 1; } - -static ULONG StoreSFParam(PMINI_ADAPTER Adapter,PUCHAR pucSrcBuffer,ULONG ulAddrSFParamSet) +static ULONG StoreSFParam(PMINI_ADAPTER Adapter, PUCHAR pucSrcBuffer, ULONG ulAddrSFParamSet) { - UINT nBytesToWrite = sizeof(stServiceFlowParamSI); + UINT nBytesToWrite = sizeof(stServiceFlowParamSI); int ret = 0; - if(ulAddrSFParamSet == 0 || NULL == pucSrcBuffer) - { + if (ulAddrSFParamSet == 0 || NULL == pucSrcBuffer) return 0; - } ret = wrm(Adapter, ulAddrSFParamSet, (u8 *)pucSrcBuffer, nBytesToWrite); if (ret < 0) { - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "%s:%d WRM failed",__FUNCTION__, __LINE__); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "%s:%d WRM failed", __func__, __LINE__); return ret; } return 1; } -ULONG StoreCmControlResponseMessage(PMINI_ADAPTER Adapter,PVOID pvBuffer,UINT *puBufferLength) +ULONG StoreCmControlResponseMessage(PMINI_ADAPTER Adapter, PVOID pvBuffer, UINT *puBufferLength) { stLocalSFAddIndicationAlt *pstAddIndicationAlt = NULL; - stLocalSFAddIndication * pstAddIndication = NULL; + stLocalSFAddIndication *pstAddIndication = NULL; stLocalSFDeleteRequest *pstDeletionRequest; UINT uiSearchRuleIndex; ULONG ulSFID; @@ -1671,52 +1369,51 @@ ULONG StoreCmControlResponseMessage(PMINI_ADAPTER Adapter,PVOID pvBuffer,UINT *p pstAddIndicationAlt = (stLocalSFAddIndicationAlt *)(pvBuffer); /* - * In case of DSD Req By MS, we should immediately delete this SF so that - * we can stop the further classifying the pkt for this SF. - */ - if(pstAddIndicationAlt->u8Type == DSD_REQ) - { + * In case of DSD Req By MS, we should immediately delete this SF so that + * we can stop the further classifying the pkt for this SF. + */ + if (pstAddIndicationAlt->u8Type == DSD_REQ) { pstDeletionRequest = (stLocalSFDeleteRequest *)pvBuffer; ulSFID = ntohl(pstDeletionRequest->u32SFID); - uiSearchRuleIndex=SearchSfid(Adapter,ulSFID); + uiSearchRuleIndex = SearchSfid(Adapter, ulSFID); - if(uiSearchRuleIndex < NO_OF_QUEUES) - { - deleteSFBySfid(Adapter,uiSearchRuleIndex); + if (uiSearchRuleIndex < NO_OF_QUEUES) { + deleteSFBySfid(Adapter, uiSearchRuleIndex); Adapter->u32TotalDSD++; } return 1; } - - if( (pstAddIndicationAlt->u8Type == DSD_RSP) || - (pstAddIndicationAlt->u8Type == DSD_ACK)) - { - //No Special handling send the message as it is + if ((pstAddIndicationAlt->u8Type == DSD_RSP) || + (pstAddIndicationAlt->u8Type == DSD_ACK)) { + /* No Special handling send the message as it is */ return 1; } - // For DSA_REQ, only up to "psfAuthorizedSet" parameter should be accessed by driver! + /* For DSA_REQ, only up to "psfAuthorizedSet" parameter should be accessed by driver! */ - pstAddIndication=kmalloc(sizeof(*pstAddIndication), GFP_KERNEL); - if(NULL==pstAddIndication) + pstAddIndication = kmalloc(sizeof(*pstAddIndication), GFP_KERNEL); + if (pstAddIndication == NULL) return 0; /* AUTHORIZED SET */ pstAddIndication->psfAuthorizedSet = (stServiceFlowParamSI *) GetNextTargetBufferLocation(Adapter, pstAddIndicationAlt->u16TID); - if(!pstAddIndication->psfAuthorizedSet) + if (!pstAddIndication->psfAuthorizedSet) { + kfree(pstAddIndication); return 0; + } - if(StoreSFParam(Adapter,(PUCHAR)&pstAddIndicationAlt->sfAuthorizedSet, - (ULONG)pstAddIndication->psfAuthorizedSet)!= 1) + if (StoreSFParam(Adapter, (PUCHAR)&pstAddIndicationAlt->sfAuthorizedSet, + (ULONG)pstAddIndication->psfAuthorizedSet) != 1) { + kfree(pstAddIndication); return 0; + } /* this can't possibly be right */ pstAddIndication->psfAuthorizedSet = (stServiceFlowParamSI *)ntohl((ULONG)pstAddIndication->psfAuthorizedSet); - if(pstAddIndicationAlt->u8Type == DSA_REQ) - { + if (pstAddIndicationAlt->u8Type == DSA_REQ) { stLocalSFAddRequest AddRequest; AddRequest.u8Type = pstAddIndicationAlt->u8Type; @@ -1724,18 +1421,18 @@ ULONG StoreCmControlResponseMessage(PMINI_ADAPTER Adapter,PVOID pvBuffer,UINT *p AddRequest.u16TID = pstAddIndicationAlt->u16TID; AddRequest.u16CID = pstAddIndicationAlt->u16CID; AddRequest.u16VCID = pstAddIndicationAlt->u16VCID; - AddRequest.psfParameterSet =pstAddIndication->psfAuthorizedSet ; + AddRequest.psfParameterSet = pstAddIndication->psfAuthorizedSet; (*puBufferLength) = sizeof(stLocalSFAddRequest); - memcpy(pvBuffer,&AddRequest,sizeof(stLocalSFAddRequest)); + memcpy(pvBuffer, &AddRequest, sizeof(stLocalSFAddRequest)); + kfree(pstAddIndication); return 1; } - // Since it's not DSA_REQ, we can access all field in pstAddIndicationAlt - - //We need to extract the structure from the buffer and pack it differently + /* Since it's not DSA_REQ, we can access all field in pstAddIndicationAlt */ + /* We need to extract the structure from the buffer and pack it differently */ pstAddIndication->u8Type = pstAddIndicationAlt->u8Type; - pstAddIndication->eConnectionDir= pstAddIndicationAlt->u8Direction ; + pstAddIndication->eConnectionDir = pstAddIndicationAlt->u8Direction; pstAddIndication->u16TID = pstAddIndicationAlt->u16TID; pstAddIndication->u16CID = pstAddIndicationAlt->u16CID; pstAddIndication->u16VCID = pstAddIndicationAlt->u16VCID; @@ -1744,21 +1441,28 @@ ULONG StoreCmControlResponseMessage(PMINI_ADAPTER Adapter,PVOID pvBuffer,UINT *p /* ADMITTED SET */ pstAddIndication->psfAdmittedSet = (stServiceFlowParamSI *) GetNextTargetBufferLocation(Adapter, pstAddIndicationAlt->u16TID); - if(!pstAddIndication->psfAdmittedSet) + if (!pstAddIndication->psfAdmittedSet) { + kfree(pstAddIndication); return 0; - if(StoreSFParam(Adapter,(PUCHAR)&pstAddIndicationAlt->sfAdmittedSet,(ULONG)pstAddIndication->psfAdmittedSet) != 1) + } + if (StoreSFParam(Adapter, (PUCHAR)&pstAddIndicationAlt->sfAdmittedSet, (ULONG)pstAddIndication->psfAdmittedSet) != 1) { + kfree(pstAddIndication); return 0; + } pstAddIndication->psfAdmittedSet = (stServiceFlowParamSI *)ntohl((ULONG)pstAddIndication->psfAdmittedSet); - /* ACTIVE SET */ pstAddIndication->psfActiveSet = (stServiceFlowParamSI *) GetNextTargetBufferLocation(Adapter, pstAddIndicationAlt->u16TID); - if(!pstAddIndication->psfActiveSet) + if (!pstAddIndication->psfActiveSet) { + kfree(pstAddIndication); return 0; - if(StoreSFParam(Adapter,(PUCHAR)&pstAddIndicationAlt->sfActiveSet,(ULONG)pstAddIndication->psfActiveSet) != 1) + } + if (StoreSFParam(Adapter, (PUCHAR)&pstAddIndicationAlt->sfActiveSet, (ULONG)pstAddIndication->psfActiveSet) != 1) { + kfree(pstAddIndication); return 0; + } pstAddIndication->psfActiveSet = (stServiceFlowParamSI *)ntohl((ULONG)pstAddIndication->psfActiveSet); @@ -1768,47 +1472,41 @@ ULONG StoreCmControlResponseMessage(PMINI_ADAPTER Adapter,PVOID pvBuffer,UINT *p return 1; } - static inline stLocalSFAddIndicationAlt -*RestoreCmControlResponseMessage(register PMINI_ADAPTER Adapter,register PVOID pvBuffer) +*RestoreCmControlResponseMessage(register PMINI_ADAPTER Adapter, register PVOID pvBuffer) { - ULONG ulStatus=0; + ULONG ulStatus = 0; stLocalSFAddIndication *pstAddIndication = NULL; stLocalSFAddIndicationAlt *pstAddIndicationDest = NULL; - pstAddIndication = (stLocalSFAddIndication *)(pvBuffer); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "=====>" ); + pstAddIndication = (stLocalSFAddIndication *)(pvBuffer); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "=====>"); if ((pstAddIndication->u8Type == DSD_REQ) || (pstAddIndication->u8Type == DSD_RSP) || (pstAddIndication->u8Type == DSD_ACK)) - { return (stLocalSFAddIndicationAlt *)pvBuffer; - } - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Inside RestoreCmControlResponseMessage "); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Inside RestoreCmControlResponseMessage "); /* - //Need to Allocate memory to contain the SUPER Large structures - //Our driver can't create these structures on Stack :( - */ - pstAddIndicationDest=kmalloc(sizeof(stLocalSFAddIndicationAlt), GFP_KERNEL); - - if(pstAddIndicationDest) - { - memset(pstAddIndicationDest,0,sizeof(stLocalSFAddIndicationAlt)); - } - else - { - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Failed to allocate memory for SF Add Indication Structure "); + * Need to Allocate memory to contain the SUPER Large structures + * Our driver can't create these structures on Stack :( + */ + pstAddIndicationDest = kmalloc(sizeof(stLocalSFAddIndicationAlt), GFP_KERNEL); + + if (pstAddIndicationDest) { + memset(pstAddIndicationDest, 0, sizeof(stLocalSFAddIndicationAlt)); + } else { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Failed to allocate memory for SF Add Indication Structure "); return NULL; } - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-u8Type : 0x%X",pstAddIndication->u8Type); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-u8Direction : 0x%X",pstAddIndication->eConnectionDir); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-u8TID : 0x%X",ntohs(pstAddIndication->u16TID)); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-u8CID : 0x%X",ntohs(pstAddIndication->u16CID)); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-u16VCID : 0x%X",ntohs(pstAddIndication->u16VCID)); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-autorized set loc : %p",pstAddIndication->psfAuthorizedSet); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-admitted set loc : %p",pstAddIndication->psfAdmittedSet); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-Active set loc : %p",pstAddIndication->psfActiveSet); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-u8Type : 0x%X", pstAddIndication->u8Type); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-u8Direction : 0x%X", pstAddIndication->eConnectionDir); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-u8TID : 0x%X", ntohs(pstAddIndication->u16TID)); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-u8CID : 0x%X", ntohs(pstAddIndication->u16CID)); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-u16VCID : 0x%X", ntohs(pstAddIndication->u16VCID)); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-autorized set loc : %p", pstAddIndication->psfAuthorizedSet); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-admitted set loc : %p", pstAddIndication->psfAdmittedSet); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "AddIndication-Active set loc : %p", pstAddIndication->psfActiveSet); pstAddIndicationDest->u8Type = pstAddIndication->u8Type; pstAddIndicationDest->u8Direction = pstAddIndication->eConnectionDir; @@ -1817,42 +1515,39 @@ static inline stLocalSFAddIndicationAlt pstAddIndicationDest->u16VCID = pstAddIndication->u16VCID; pstAddIndicationDest->u8CC = pstAddIndication->u8CC; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Restoring Active Set "); - ulStatus=RestoreSFParam(Adapter,(ULONG)pstAddIndication->psfActiveSet, (PUCHAR)&pstAddIndicationDest->sfActiveSet); - if(ulStatus != 1) - { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Restoring Active Set "); + ulStatus = RestoreSFParam(Adapter, (ULONG)pstAddIndication->psfActiveSet, (PUCHAR)&pstAddIndicationDest->sfActiveSet); + if (ulStatus != 1) goto failed_restore_sf_param; - } - if(pstAddIndicationDest->sfActiveSet.u8TotalClassifiers > MAX_CLASSIFIERS_IN_SF) + + if (pstAddIndicationDest->sfActiveSet.u8TotalClassifiers > MAX_CLASSIFIERS_IN_SF) pstAddIndicationDest->sfActiveSet.u8TotalClassifiers = MAX_CLASSIFIERS_IN_SF; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Restoring Admitted Set "); - ulStatus=RestoreSFParam(Adapter,(ULONG)pstAddIndication->psfAdmittedSet,(PUCHAR)&pstAddIndicationDest->sfAdmittedSet); - if(ulStatus != 1) - { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Restoring Admitted Set "); + ulStatus = RestoreSFParam(Adapter, (ULONG)pstAddIndication->psfAdmittedSet, (PUCHAR)&pstAddIndicationDest->sfAdmittedSet); + if (ulStatus != 1) goto failed_restore_sf_param; - } - if(pstAddIndicationDest->sfAdmittedSet.u8TotalClassifiers > MAX_CLASSIFIERS_IN_SF) + + if (pstAddIndicationDest->sfAdmittedSet.u8TotalClassifiers > MAX_CLASSIFIERS_IN_SF) pstAddIndicationDest->sfAdmittedSet.u8TotalClassifiers = MAX_CLASSIFIERS_IN_SF; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Restoring Authorized Set "); - ulStatus=RestoreSFParam(Adapter,(ULONG)pstAddIndication->psfAuthorizedSet,(PUCHAR)&pstAddIndicationDest->sfAuthorizedSet); - if(ulStatus != 1) - { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Restoring Authorized Set "); + ulStatus = RestoreSFParam(Adapter, (ULONG)pstAddIndication->psfAuthorizedSet, (PUCHAR)&pstAddIndicationDest->sfAuthorizedSet); + if (ulStatus != 1) goto failed_restore_sf_param; - } - if(pstAddIndicationDest->sfAuthorizedSet.u8TotalClassifiers > MAX_CLASSIFIERS_IN_SF) + + if (pstAddIndicationDest->sfAuthorizedSet.u8TotalClassifiers > MAX_CLASSIFIERS_IN_SF) pstAddIndicationDest->sfAuthorizedSet.u8TotalClassifiers = MAX_CLASSIFIERS_IN_SF; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Dumping the whole raw packet"); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "============================================================"); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, " pstAddIndicationDest->sfActiveSet size %zx %p", sizeof(*pstAddIndicationDest), pstAddIndicationDest); - //BCM_DEBUG_PRINT_BUFFER(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, (unsigned char *)pstAddIndicationDest, sizeof(*pstAddIndicationDest)); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "============================================================"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Dumping the whole raw packet"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "============================================================"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, " pstAddIndicationDest->sfActiveSet size %zx %p", sizeof(*pstAddIndicationDest), pstAddIndicationDest); + /* BCM_DEBUG_PRINT_BUFFER(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, (unsigned char *)pstAddIndicationDest, sizeof(*pstAddIndicationDest)); */ + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "============================================================"); return pstAddIndicationDest; failed_restore_sf_param: kfree(pstAddIndicationDest); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "<=====" ); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "<====="); return NULL; } @@ -1860,7 +1555,7 @@ ULONG SetUpTargetDsxBuffers(PMINI_ADAPTER Adapter) { ULONG ulTargetDsxBuffersBase = 0; ULONG ulCntTargetBuffers; - ULONG ulIndex=0; + ULONG i; int Status; if (!Adapter) { @@ -1868,411 +1563,354 @@ ULONG SetUpTargetDsxBuffers(PMINI_ADAPTER Adapter) return 0; } - if(Adapter->astTargetDsxBuffer[0].ulTargetDsxBuffer) + if (Adapter->astTargetDsxBuffer[0].ulTargetDsxBuffer) return 1; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Size of Each DSX Buffer(Also size of ServiceFlowParamSI): %zx ",sizeof(stServiceFlowParamSI)); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Reading DSX buffer From Target location %x ",DSX_MESSAGE_EXCHANGE_BUFFER); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Size of Each DSX Buffer(Also size of ServiceFlowParamSI): %zx ", sizeof(stServiceFlowParamSI)); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Reading DSX buffer From Target location %x ", DSX_MESSAGE_EXCHANGE_BUFFER); - Status = rdmalt(Adapter, DSX_MESSAGE_EXCHANGE_BUFFER, - (PUINT)&ulTargetDsxBuffersBase, sizeof(UINT)); - if(Status < 0) - { - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "RDM failed!!"); + Status = rdmalt(Adapter, DSX_MESSAGE_EXCHANGE_BUFFER, (PUINT)&ulTargetDsxBuffersBase, sizeof(UINT)); + if (Status < 0) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "RDM failed!!"); return 0; } - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Base Address Of DSX Target Buffer : 0x%lx",ulTargetDsxBuffersBase); - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Tgt Buffer is Now %lx :",ulTargetDsxBuffersBase); - - ulCntTargetBuffers = DSX_MESSAGE_EXCHANGE_BUFFER_SIZE/sizeof(stServiceFlowParamSI); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Base Address Of DSX Target Buffer : 0x%lx", ulTargetDsxBuffersBase); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Tgt Buffer is Now %lx :", ulTargetDsxBuffersBase); + ulCntTargetBuffers = DSX_MESSAGE_EXCHANGE_BUFFER_SIZE / sizeof(stServiceFlowParamSI); Adapter->ulTotalTargetBuffersAvailable = ulCntTargetBuffers > MAX_TARGET_DSX_BUFFERS ? MAX_TARGET_DSX_BUFFERS : ulCntTargetBuffers; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, " Total Target DSX Buffer setup %lx ",Adapter->ulTotalTargetBuffersAvailable); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, " Total Target DSX Buffer setup %lx ", Adapter->ulTotalTargetBuffersAvailable); - for(ulIndex=0; ulIndex < Adapter->ulTotalTargetBuffersAvailable ; ulIndex++) - { - Adapter->astTargetDsxBuffer[ulIndex].ulTargetDsxBuffer = ulTargetDsxBuffersBase; - Adapter->astTargetDsxBuffer[ulIndex].valid=1; - Adapter->astTargetDsxBuffer[ulIndex].tid=0; - ulTargetDsxBuffersBase+=sizeof(stServiceFlowParamSI); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, " Target DSX Buffer %lx setup at 0x%lx", - ulIndex, Adapter->astTargetDsxBuffer[ulIndex].ulTargetDsxBuffer); + for (i = 0; i < Adapter->ulTotalTargetBuffersAvailable; i++) { + Adapter->astTargetDsxBuffer[i].ulTargetDsxBuffer = ulTargetDsxBuffersBase; + Adapter->astTargetDsxBuffer[i].valid = 1; + Adapter->astTargetDsxBuffer[i].tid = 0; + ulTargetDsxBuffersBase += sizeof(stServiceFlowParamSI); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, " Target DSX Buffer %lx setup at 0x%lx", + i, Adapter->astTargetDsxBuffer[i].ulTargetDsxBuffer); } Adapter->ulCurrentTargetBuffer = 0; Adapter->ulFreeTargetBufferCnt = Adapter->ulTotalTargetBuffersAvailable; return 1; } -static ULONG GetNextTargetBufferLocation(PMINI_ADAPTER Adapter,B_UINT16 tid) +static ULONG GetNextTargetBufferLocation(PMINI_ADAPTER Adapter, B_UINT16 tid) { - ULONG ulTargetDSXBufferAddress; - ULONG ulTargetDsxBufferIndexToUse,ulMaxTry; + ULONG ulTargetDSXBufferAddress; + ULONG ulTargetDsxBufferIndexToUse, ulMaxTry; - if((Adapter->ulTotalTargetBuffersAvailable == 0)|| - (Adapter->ulFreeTargetBufferCnt == 0)) - { - ClearTargetDSXBuffer(Adapter,tid,FALSE); + if ((Adapter->ulTotalTargetBuffersAvailable == 0) || (Adapter->ulFreeTargetBufferCnt == 0)) { + ClearTargetDSXBuffer(Adapter, tid, FALSE); return 0; } - ulTargetDsxBufferIndexToUse = Adapter->ulCurrentTargetBuffer; - ulMaxTry = Adapter->ulTotalTargetBuffersAvailable; - while((ulMaxTry)&&(Adapter->astTargetDsxBuffer[ulTargetDsxBufferIndexToUse].valid != 1)) - { - ulTargetDsxBufferIndexToUse = (ulTargetDsxBufferIndexToUse+1)% - Adapter->ulTotalTargetBuffersAvailable; - ulMaxTry--; + ulTargetDsxBufferIndexToUse = Adapter->ulCurrentTargetBuffer; + ulMaxTry = Adapter->ulTotalTargetBuffersAvailable; + while ((ulMaxTry) && (Adapter->astTargetDsxBuffer[ulTargetDsxBufferIndexToUse].valid != 1)) { + ulTargetDsxBufferIndexToUse = (ulTargetDsxBufferIndexToUse+1) % Adapter->ulTotalTargetBuffersAvailable; + ulMaxTry--; } - if(ulMaxTry==0) - { - BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "\n GetNextTargetBufferLocation : Error No Free Target DSX Buffers FreeCnt : %lx ",Adapter->ulFreeTargetBufferCnt); - ClearTargetDSXBuffer(Adapter,tid,FALSE); + if (ulMaxTry == 0) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "\n GetNextTargetBufferLocation : Error No Free Target DSX Buffers FreeCnt : %lx ", Adapter->ulFreeTargetBufferCnt); + ClearTargetDSXBuffer(Adapter, tid, FALSE); return 0; } - - ulTargetDSXBufferAddress = - Adapter->astTargetDsxBuffer[ulTargetDsxBufferIndexToUse].ulTargetDsxBuffer; - Adapter->astTargetDsxBuffer[ulTargetDsxBufferIndexToUse].valid=0; - Adapter->astTargetDsxBuffer[ulTargetDsxBufferIndexToUse].tid=tid; + ulTargetDSXBufferAddress = Adapter->astTargetDsxBuffer[ulTargetDsxBufferIndexToUse].ulTargetDsxBuffer; + Adapter->astTargetDsxBuffer[ulTargetDsxBufferIndexToUse].valid = 0; + Adapter->astTargetDsxBuffer[ulTargetDsxBufferIndexToUse].tid = tid; Adapter->ulFreeTargetBufferCnt--; - - - ulTargetDsxBufferIndexToUse = - (ulTargetDsxBufferIndexToUse+1)%Adapter->ulTotalTargetBuffersAvailable; + ulTargetDsxBufferIndexToUse = (ulTargetDsxBufferIndexToUse+1)%Adapter->ulTotalTargetBuffersAvailable; Adapter->ulCurrentTargetBuffer = ulTargetDsxBufferIndexToUse; - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "GetNextTargetBufferLocation :Returning address %lx tid %d\n", - ulTargetDSXBufferAddress,tid); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "GetNextTargetBufferLocation :Returning address %lx tid %d\n", ulTargetDSXBufferAddress, tid); + return ulTargetDSXBufferAddress; } - -INT AllocAdapterDsxBuffer(PMINI_ADAPTER Adapter) +int AllocAdapterDsxBuffer(PMINI_ADAPTER Adapter) { /* - //Need to Allocate memory to contain the SUPER Large structures - //Our driver can't create these structures on Stack - */ - Adapter->caDsxReqResp=kmalloc(sizeof(stLocalSFAddIndicationAlt)+LEADER_SIZE, GFP_KERNEL); - if(!Adapter->caDsxReqResp) + * Need to Allocate memory to contain the SUPER Large structures + * Our driver can't create these structures on Stack + */ + Adapter->caDsxReqResp = kmalloc(sizeof(stLocalSFAddIndicationAlt)+LEADER_SIZE, GFP_KERNEL); + if (!Adapter->caDsxReqResp) return -ENOMEM; + return 0; } -INT FreeAdapterDsxBuffer(PMINI_ADAPTER Adapter) +int FreeAdapterDsxBuffer(PMINI_ADAPTER Adapter) { kfree(Adapter->caDsxReqResp); return 0; - } -/** -@ingroup ctrl_pkt_functions -This routinue would process the Control responses -for the Connection Management. -@return - Queue index for the free SFID else returns Invalid Index. -*/ -BOOLEAN CmControlResponseMessage(PMINI_ADAPTER Adapter, /**<Pointer to the Adapter structure*/ - PVOID pvBuffer /**Starting Address of the Buffer, that contains the AddIndication Data*/ - ) + +/* + * @ingroup ctrl_pkt_functions + * This routinue would process the Control responses + * for the Connection Management. + * @return - Queue index for the free SFID else returns Invalid Index. + */ +BOOLEAN CmControlResponseMessage(PMINI_ADAPTER Adapter, /* <Pointer to the Adapter structure */ + PVOID pvBuffer /* Starting Address of the Buffer, that contains the AddIndication Data */) { - stServiceFlowParamSI *psfLocalSet=NULL; - stLocalSFAddIndicationAlt *pstAddIndication = NULL; - stLocalSFChangeIndicationAlt *pstChangeIndication = NULL; - PLEADER pLeader=NULL; + stServiceFlowParamSI *psfLocalSet = NULL; + stLocalSFAddIndicationAlt *pstAddIndication = NULL; + stLocalSFChangeIndicationAlt *pstChangeIndication = NULL; + PLEADER pLeader = NULL; + /* - //Otherwise the message contains a target address from where we need to - //read out the rest of the service flow param structure - */ - if((pstAddIndication = RestoreCmControlResponseMessage(Adapter,pvBuffer)) - == NULL) - { - ClearTargetDSXBuffer(Adapter,((stLocalSFAddIndication *)pvBuffer)->u16TID, FALSE); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_PRINTK, 0, 0, "Error in restoring Service Flow param structure from DSx message"); + * Otherwise the message contains a target address from where we need to + * read out the rest of the service flow param structure + */ + pstAddIndication = RestoreCmControlResponseMessage(Adapter, pvBuffer); + if (pstAddIndication == NULL) { + ClearTargetDSXBuffer(Adapter, ((stLocalSFAddIndication *)pvBuffer)->u16TID, FALSE); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Error in restoring Service Flow param structure from DSx message"); return FALSE; } DumpCmControlPacket(pstAddIndication); - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "====>"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "====>"); pLeader = (PLEADER)Adapter->caDsxReqResp; - pLeader->Status =CM_CONTROL_NEWDSX_MULTICLASSIFIER_REQ; + pLeader->Status = CM_CONTROL_NEWDSX_MULTICLASSIFIER_REQ; pLeader->Vcid = 0; - ClearTargetDSXBuffer(Adapter,pstAddIndication->u16TID,FALSE); - BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "### TID RECEIVED %d\n",pstAddIndication->u16TID); - switch(pstAddIndication->u8Type) + ClearTargetDSXBuffer(Adapter, pstAddIndication->u16TID, FALSE); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "### TID RECEIVED %d\n", pstAddIndication->u16TID); + switch (pstAddIndication->u8Type) { + case DSA_REQ: { - case DSA_REQ: - { - pLeader->PLength = sizeof(stLocalSFAddIndicationAlt); - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Sending DSA Response....\n"); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SENDING DSA RESPONSE TO MAC %d", pLeader->PLength ); - *((stLocalSFAddIndicationAlt*)&(Adapter->caDsxReqResp[LEADER_SIZE])) - = *pstAddIndication; - ((stLocalSFAddIndicationAlt*)&(Adapter->caDsxReqResp[LEADER_SIZE]))->u8Type = DSA_RSP; - - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, " VCID = %x", ntohs(pstAddIndication->u16VCID)); - CopyBufferToControlPacket(Adapter,(PVOID)Adapter->caDsxReqResp); - kfree(pstAddIndication); - } - break; - case DSA_RSP: - { - pLeader->PLength = sizeof(stLocalSFAddIndicationAlt); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SENDING DSA ACK TO MAC %d", + pLeader->PLength = sizeof(stLocalSFAddIndicationAlt); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Sending DSA Response....\n"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SENDING DSA RESPONSE TO MAC %d", pLeader->PLength); + *((stLocalSFAddIndicationAlt *)&(Adapter->caDsxReqResp[LEADER_SIZE])) + = *pstAddIndication; + ((stLocalSFAddIndicationAlt *)&(Adapter->caDsxReqResp[LEADER_SIZE]))->u8Type = DSA_RSP; + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, " VCID = %x", ntohs(pstAddIndication->u16VCID)); + CopyBufferToControlPacket(Adapter, (PVOID)Adapter->caDsxReqResp); + kfree(pstAddIndication); + } + break; + case DSA_RSP: + { + pLeader->PLength = sizeof(stLocalSFAddIndicationAlt); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SENDING DSA ACK TO MAC %d", pLeader->PLength); - *((stLocalSFAddIndicationAlt*)&(Adapter->caDsxReqResp[LEADER_SIZE])) - = *pstAddIndication; - ((stLocalSFAddIndicationAlt*)&(Adapter->caDsxReqResp[LEADER_SIZE]))->u8Type = DSA_ACK; + *((stLocalSFAddIndicationAlt *)&(Adapter->caDsxReqResp[LEADER_SIZE])) + = *pstAddIndication; + ((stLocalSFAddIndicationAlt *)&(Adapter->caDsxReqResp[LEADER_SIZE]))->u8Type = DSA_ACK; - }//no break here..we should go down. - case DSA_ACK: - { - UINT uiSearchRuleIndex=0; + } /* no break here..we should go down. */ + case DSA_ACK: + { + UINT uiSearchRuleIndex = 0; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "VCID:0x%X", + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "VCID:0x%X", ntohs(pstAddIndication->u16VCID)); - uiSearchRuleIndex=SearchFreeSfid(Adapter); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"uiSearchRuleIndex:0x%X ", + uiSearchRuleIndex = SearchFreeSfid(Adapter); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "uiSearchRuleIndex:0x%X ", uiSearchRuleIndex); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Direction:0x%X ", + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Direction:0x%X ", pstAddIndication->u8Direction); - if((uiSearchRuleIndex< NO_OF_QUEUES) ) - { - Adapter->PackInfo[uiSearchRuleIndex].ucDirection = - pstAddIndication->u8Direction; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "bValid:0x%X ", + if ((uiSearchRuleIndex < NO_OF_QUEUES)) { + Adapter->PackInfo[uiSearchRuleIndex].ucDirection = + pstAddIndication->u8Direction; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "bValid:0x%X ", pstAddIndication->sfActiveSet.bValid); - if(pstAddIndication->sfActiveSet.bValid==TRUE) - { - Adapter->PackInfo[uiSearchRuleIndex].bActiveSet=TRUE; - } - if(pstAddIndication->sfAuthorizedSet.bValid==TRUE) - { - Adapter->PackInfo[uiSearchRuleIndex].bAuthorizedSet=TRUE; - } - if(pstAddIndication->sfAdmittedSet.bValid==TRUE) - { - Adapter->PackInfo[uiSearchRuleIndex].bAdmittedSet=TRUE; - } - if(FALSE == pstAddIndication->sfActiveSet.bValid) - { - Adapter->PackInfo[uiSearchRuleIndex].bActive = FALSE; - Adapter->PackInfo[uiSearchRuleIndex].bActivateRequestSent = FALSE; - if(pstAddIndication->sfAdmittedSet.bValid) - { - psfLocalSet = &pstAddIndication->sfAdmittedSet; - } - else if(pstAddIndication->sfAuthorizedSet.bValid) - { - psfLocalSet = &pstAddIndication->sfAuthorizedSet; - } - } - else - { - psfLocalSet = &pstAddIndication->sfActiveSet; - Adapter->PackInfo[uiSearchRuleIndex].bActive=TRUE; - } - - if(!psfLocalSet) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "No set is valid\n"); - Adapter->PackInfo[uiSearchRuleIndex].bActive=FALSE; - Adapter->PackInfo[uiSearchRuleIndex].bValid=FALSE; - Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value=0; - kfree(pstAddIndication); - } + if (pstAddIndication->sfActiveSet.bValid == TRUE) + Adapter->PackInfo[uiSearchRuleIndex].bActiveSet = TRUE; + + if (pstAddIndication->sfAuthorizedSet.bValid == TRUE) + Adapter->PackInfo[uiSearchRuleIndex].bAuthorizedSet = TRUE; + + if (pstAddIndication->sfAdmittedSet.bValid == TRUE) + Adapter->PackInfo[uiSearchRuleIndex].bAdmittedSet = TRUE; + + if (pstAddIndication->sfActiveSet.bValid == FALSE) { + Adapter->PackInfo[uiSearchRuleIndex].bActive = FALSE; + Adapter->PackInfo[uiSearchRuleIndex].bActivateRequestSent = FALSE; + if (pstAddIndication->sfAdmittedSet.bValid) + psfLocalSet = &pstAddIndication->sfAdmittedSet; + else if (pstAddIndication->sfAuthorizedSet.bValid) + psfLocalSet = &pstAddIndication->sfAuthorizedSet; + } else { + psfLocalSet = &pstAddIndication->sfActiveSet; + Adapter->PackInfo[uiSearchRuleIndex].bActive = TRUE; + } - else if(psfLocalSet->bValid && (pstAddIndication->u8CC == 0)) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "DSA ACK"); - Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value = - ntohs(pstAddIndication->u16VCID); - Adapter->PackInfo[uiSearchRuleIndex].usCID = - ntohs(pstAddIndication->u16CID); - - if(UPLINK_DIR == pstAddIndication->u8Direction) - atomic_set(&Adapter->PackInfo[uiSearchRuleIndex].uiPerSFTxResourceCount, DEFAULT_PERSFCOUNT); - CopyToAdapter(Adapter,psfLocalSet,uiSearchRuleIndex, - DSA_ACK, pstAddIndication); - // don't free pstAddIndication - - /* Inside CopyToAdapter, Sorting of all the SFs take place. - Hence any access to the newly added SF through uiSearchRuleIndex is invalid. - SHOULD BE STRICTLY AVOIDED. - */ -// *(PULONG)(((PUCHAR)pvBuffer)+1)=psfLocalSet->u32SFID; - memcpy((((PUCHAR)pvBuffer)+1), &psfLocalSet->u32SFID, 4); - - if(pstAddIndication->sfActiveSet.bValid == TRUE) - { - if(UPLINK_DIR == pstAddIndication->u8Direction) - { - if(!Adapter->LinkUpStatus) - { - netif_carrier_on(Adapter->dev); - netif_start_queue(Adapter->dev); - Adapter->LinkUpStatus = 1; - if (netif_msg_link(Adapter)) - pr_info(PFX "%s: link up\n", Adapter->dev->name); - atomic_set(&Adapter->TxPktAvail, 1); - wake_up(&Adapter->tx_packet_wait_queue); - Adapter->liTimeSinceLastNetEntry = get_seconds(); - } + if (!psfLocalSet) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "No set is valid\n"); + Adapter->PackInfo[uiSearchRuleIndex].bActive = FALSE; + Adapter->PackInfo[uiSearchRuleIndex].bValid = FALSE; + Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value = 0; + kfree(pstAddIndication); + } else if (psfLocalSet->bValid && (pstAddIndication->u8CC == 0)) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "DSA ACK"); + Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value = ntohs(pstAddIndication->u16VCID); + Adapter->PackInfo[uiSearchRuleIndex].usCID = ntohs(pstAddIndication->u16CID); + + if (UPLINK_DIR == pstAddIndication->u8Direction) + atomic_set(&Adapter->PackInfo[uiSearchRuleIndex].uiPerSFTxResourceCount, DEFAULT_PERSFCOUNT); + + CopyToAdapter(Adapter, psfLocalSet, uiSearchRuleIndex, DSA_ACK, pstAddIndication); + /* don't free pstAddIndication */ + + /* Inside CopyToAdapter, Sorting of all the SFs take place. + * Hence any access to the newly added SF through uiSearchRuleIndex is invalid. + * SHOULD BE STRICTLY AVOIDED. + */ + /* *(PULONG)(((PUCHAR)pvBuffer)+1)=psfLocalSet->u32SFID; */ + memcpy((((PUCHAR)pvBuffer)+1), &psfLocalSet->u32SFID, 4); + + if (pstAddIndication->sfActiveSet.bValid == TRUE) { + if (UPLINK_DIR == pstAddIndication->u8Direction) { + if (!Adapter->LinkUpStatus) { + netif_carrier_on(Adapter->dev); + netif_start_queue(Adapter->dev); + Adapter->LinkUpStatus = 1; + if (netif_msg_link(Adapter)) + pr_info(PFX "%s: link up\n", Adapter->dev->name); + atomic_set(&Adapter->TxPktAvail, 1); + wake_up(&Adapter->tx_packet_wait_queue); + Adapter->liTimeSinceLastNetEntry = get_seconds(); } } } - - else - { - Adapter->PackInfo[uiSearchRuleIndex].bActive=FALSE; - Adapter->PackInfo[uiSearchRuleIndex].bValid=FALSE; - Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value=0; - kfree(pstAddIndication); - } - } - else - { - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_PRINTK, 0, 0, "DSA ACK did not get valid SFID"); + } else { + Adapter->PackInfo[uiSearchRuleIndex].bActive = FALSE; + Adapter->PackInfo[uiSearchRuleIndex].bValid = FALSE; + Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value = 0; kfree(pstAddIndication); - return FALSE; } - } - break; - case DSC_REQ: - { - pLeader->PLength = sizeof(stLocalSFChangeIndicationAlt); - pstChangeIndication = (stLocalSFChangeIndicationAlt*)pstAddIndication; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SENDING DSC RESPONSE TO MAC %d", pLeader->PLength); - - *((stLocalSFChangeIndicationAlt*)&(Adapter->caDsxReqResp[LEADER_SIZE])) = *pstChangeIndication; - ((stLocalSFChangeIndicationAlt*)&(Adapter->caDsxReqResp[LEADER_SIZE]))->u8Type = DSC_RSP; - - CopyBufferToControlPacket(Adapter,(PVOID)Adapter->caDsxReqResp); + } else { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "DSA ACK did not get valid SFID"); kfree(pstAddIndication); + return FALSE; } - break; - case DSC_RSP: - { - pLeader->PLength = sizeof(stLocalSFChangeIndicationAlt); - pstChangeIndication = (stLocalSFChangeIndicationAlt*)pstAddIndication; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SENDING DSC ACK TO MAC %d", pLeader->PLength); - *((stLocalSFChangeIndicationAlt*)&(Adapter->caDsxReqResp[LEADER_SIZE])) = *pstChangeIndication; - ((stLocalSFChangeIndicationAlt*)&(Adapter->caDsxReqResp[LEADER_SIZE]))->u8Type = DSC_ACK; - } - case DSC_ACK: - { - UINT uiSearchRuleIndex=0; + } + break; + case DSC_REQ: + { + pLeader->PLength = sizeof(stLocalSFChangeIndicationAlt); + pstChangeIndication = (stLocalSFChangeIndicationAlt *)pstAddIndication; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SENDING DSC RESPONSE TO MAC %d", pLeader->PLength); - pstChangeIndication = (stLocalSFChangeIndicationAlt *)pstAddIndication; - uiSearchRuleIndex=SearchSfid(Adapter,ntohl(pstChangeIndication->sfActiveSet.u32SFID)); - if(uiSearchRuleIndex > NO_OF_QUEUES-1) - { - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_PRINTK, 0, 0, "SF doesn't exist for which DSC_ACK is received"); - } - if((uiSearchRuleIndex < NO_OF_QUEUES)) - { - Adapter->PackInfo[uiSearchRuleIndex].ucDirection = pstChangeIndication->u8Direction; - if(pstChangeIndication->sfActiveSet.bValid==TRUE) - { - Adapter->PackInfo[uiSearchRuleIndex].bActiveSet=TRUE; - } - if(pstChangeIndication->sfAuthorizedSet.bValid==TRUE) - { - Adapter->PackInfo[uiSearchRuleIndex].bAuthorizedSet=TRUE; - } - if(pstChangeIndication->sfAdmittedSet.bValid==TRUE) - { - Adapter->PackInfo[uiSearchRuleIndex].bAdmittedSet=TRUE; - } + *((stLocalSFChangeIndicationAlt *)&(Adapter->caDsxReqResp[LEADER_SIZE])) = *pstChangeIndication; + ((stLocalSFChangeIndicationAlt *)&(Adapter->caDsxReqResp[LEADER_SIZE]))->u8Type = DSC_RSP; - if(FALSE==pstChangeIndication->sfActiveSet.bValid) - { - Adapter->PackInfo[uiSearchRuleIndex].bActive = FALSE; - Adapter->PackInfo[uiSearchRuleIndex].bActivateRequestSent = FALSE; - if(pstChangeIndication->sfAdmittedSet.bValid) - { - psfLocalSet = &pstChangeIndication->sfAdmittedSet; - } - else if(pstChangeIndication->sfAuthorizedSet.bValid) - { - psfLocalSet = &pstChangeIndication->sfAuthorizedSet; - } - } - - else - { - psfLocalSet = &pstChangeIndication->sfActiveSet; - Adapter->PackInfo[uiSearchRuleIndex].bActive=TRUE; - } - if(psfLocalSet->bValid && (pstChangeIndication->u8CC == 0)) - { - Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value = - ntohs(pstChangeIndication->u16VCID); - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "CC field is %d bvalid = %d\n", - pstChangeIndication->u8CC, psfLocalSet->bValid); - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "VCID= %d\n", ntohs(pstChangeIndication->u16VCID)); - Adapter->PackInfo[uiSearchRuleIndex].usCID = - ntohs(pstChangeIndication->u16CID); - CopyToAdapter(Adapter,psfLocalSet,uiSearchRuleIndex, - DSC_ACK, pstAddIndication); - - *(PULONG)(((PUCHAR)pvBuffer)+1)=psfLocalSet->u32SFID; - } - else if(pstChangeIndication->u8CC == 6) - { - deleteSFBySfid(Adapter,uiSearchRuleIndex); - kfree(pstAddIndication); - } + CopyBufferToControlPacket(Adapter, (PVOID)Adapter->caDsxReqResp); + kfree(pstAddIndication); + } + break; + case DSC_RSP: + { + pLeader->PLength = sizeof(stLocalSFChangeIndicationAlt); + pstChangeIndication = (stLocalSFChangeIndicationAlt *)pstAddIndication; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SENDING DSC ACK TO MAC %d", pLeader->PLength); + *((stLocalSFChangeIndicationAlt *)&(Adapter->caDsxReqResp[LEADER_SIZE])) = *pstChangeIndication; + ((stLocalSFChangeIndicationAlt *)&(Adapter->caDsxReqResp[LEADER_SIZE]))->u8Type = DSC_ACK; + } + case DSC_ACK: + { + UINT uiSearchRuleIndex = 0; + + pstChangeIndication = (stLocalSFChangeIndicationAlt *)pstAddIndication; + uiSearchRuleIndex = SearchSfid(Adapter, ntohl(pstChangeIndication->sfActiveSet.u32SFID)); + if (uiSearchRuleIndex > NO_OF_QUEUES-1) + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "SF doesn't exist for which DSC_ACK is received"); + + if ((uiSearchRuleIndex < NO_OF_QUEUES)) { + Adapter->PackInfo[uiSearchRuleIndex].ucDirection = pstChangeIndication->u8Direction; + if (pstChangeIndication->sfActiveSet.bValid == TRUE) + Adapter->PackInfo[uiSearchRuleIndex].bActiveSet = TRUE; + + if (pstChangeIndication->sfAuthorizedSet.bValid == TRUE) + Adapter->PackInfo[uiSearchRuleIndex].bAuthorizedSet = TRUE; + + if (pstChangeIndication->sfAdmittedSet.bValid == TRUE) + Adapter->PackInfo[uiSearchRuleIndex].bAdmittedSet = TRUE; + + if (pstChangeIndication->sfActiveSet.bValid == FALSE) { + Adapter->PackInfo[uiSearchRuleIndex].bActive = FALSE; + Adapter->PackInfo[uiSearchRuleIndex].bActivateRequestSent = FALSE; + + if (pstChangeIndication->sfAdmittedSet.bValid) + psfLocalSet = &pstChangeIndication->sfAdmittedSet; + else if (pstChangeIndication->sfAuthorizedSet.bValid) + psfLocalSet = &pstChangeIndication->sfAuthorizedSet; + } else { + psfLocalSet = &pstChangeIndication->sfActiveSet; + Adapter->PackInfo[uiSearchRuleIndex].bActive = TRUE; } - else - { - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_PRINTK, 0, 0, "DSC ACK did not get valid SFID"); + + if (!psfLocalSet) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "No set is valid\n"); + Adapter->PackInfo[uiSearchRuleIndex].bActive = FALSE; + Adapter->PackInfo[uiSearchRuleIndex].bValid = FALSE; + Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value = 0; + kfree(pstAddIndication); + } else if (psfLocalSet->bValid && (pstChangeIndication->u8CC == 0)) { + Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value = ntohs(pstChangeIndication->u16VCID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "CC field is %d bvalid = %d\n", + pstChangeIndication->u8CC, psfLocalSet->bValid); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "VCID= %d\n", ntohs(pstChangeIndication->u16VCID)); + Adapter->PackInfo[uiSearchRuleIndex].usCID = ntohs(pstChangeIndication->u16CID); + CopyToAdapter(Adapter, psfLocalSet, uiSearchRuleIndex, DSC_ACK, pstAddIndication); + + *(PULONG)(((PUCHAR)pvBuffer)+1) = psfLocalSet->u32SFID; + } else if (pstChangeIndication->u8CC == 6) { + deleteSFBySfid(Adapter, uiSearchRuleIndex); kfree(pstAddIndication); - return FALSE; } + } else { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "DSC ACK did not get valid SFID"); + kfree(pstAddIndication); + return FALSE; } - break; - case DSD_REQ: - { - UINT uiSearchRuleIndex; - ULONG ulSFID; - - pLeader->PLength = sizeof(stLocalSFDeleteIndication); - *((stLocalSFDeleteIndication*)&(Adapter->caDsxReqResp[LEADER_SIZE])) = *((stLocalSFDeleteIndication*)pstAddIndication); + } + break; + case DSD_REQ: + { + UINT uiSearchRuleIndex; + ULONG ulSFID; - ulSFID = ntohl(((stLocalSFDeleteIndication*)pstAddIndication)->u32SFID); - uiSearchRuleIndex=SearchSfid(Adapter,ulSFID); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "DSD - Removing connection %x",uiSearchRuleIndex); + pLeader->PLength = sizeof(stLocalSFDeleteIndication); + *((stLocalSFDeleteIndication *)&(Adapter->caDsxReqResp[LEADER_SIZE])) = *((stLocalSFDeleteIndication *)pstAddIndication); - if(uiSearchRuleIndex < NO_OF_QUEUES) - { - //Delete All Classifiers Associated with this SFID - deleteSFBySfid(Adapter,uiSearchRuleIndex); - Adapter->u32TotalDSD++; - } + ulSFID = ntohl(((stLocalSFDeleteIndication *)pstAddIndication)->u32SFID); + uiSearchRuleIndex = SearchSfid(Adapter, ulSFID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "DSD - Removing connection %x", uiSearchRuleIndex); - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SENDING DSD RESPONSE TO MAC"); - ((stLocalSFDeleteIndication*)&(Adapter->caDsxReqResp[LEADER_SIZE]))->u8Type = DSD_RSP; - CopyBufferToControlPacket(Adapter,(PVOID)Adapter->caDsxReqResp); - } - case DSD_RSP: - { - //Do nothing as SF has already got Deleted + if (uiSearchRuleIndex < NO_OF_QUEUES) { + /* Delete All Classifiers Associated with this SFID */ + deleteSFBySfid(Adapter, uiSearchRuleIndex); + Adapter->u32TotalDSD++; } - break; + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SENDING DSD RESPONSE TO MAC"); + ((stLocalSFDeleteIndication *)&(Adapter->caDsxReqResp[LEADER_SIZE]))->u8Type = DSD_RSP; + CopyBufferToControlPacket(Adapter, (PVOID)Adapter->caDsxReqResp); + } + case DSD_RSP: + { + /* Do nothing as SF has already got Deleted */ + } + break; case DSD_ACK: - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "DSD ACK Rcd, let App handle it\n"); - break; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "DSD ACK Rcd, let App handle it\n"); + break; default: kfree(pstAddIndication); - return FALSE ; + return FALSE; } return TRUE; } @@ -2280,78 +1918,67 @@ BOOLEAN CmControlResponseMessage(PMINI_ADAPTER Adapter, /**<Pointer to the Adap int get_dsx_sf_data_to_application(PMINI_ADAPTER Adapter, UINT uiSFId, void __user *user_buffer) { int status = 0; - struct _packet_info *psSfInfo=NULL; - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "status =%d",status); + struct _packet_info *psSfInfo = NULL; + + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "status =%d", status); status = SearchSfid(Adapter, uiSFId); if (status >= NO_OF_QUEUES) { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SFID %d not present in queue !!!", uiSFId ); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SFID %d not present in queue !!!", uiSFId); return -EINVAL; } - BCM_DEBUG_PRINT( Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "status =%d",status); - psSfInfo=&Adapter->PackInfo[status]; - if(psSfInfo->pstSFIndication && copy_to_user(user_buffer, - psSfInfo->pstSFIndication, sizeof(stLocalSFAddIndicationAlt))) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "copy to user failed SFID %d, present in queue !!!", uiSFId ); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "status =%d", status); + psSfInfo = &Adapter->PackInfo[status]; + if (psSfInfo->pstSFIndication && copy_to_user(user_buffer, + psSfInfo->pstSFIndication, sizeof(stLocalSFAddIndicationAlt))) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "copy to user failed SFID %d, present in queue !!!", uiSFId); status = -EFAULT; return status; } return STATUS_SUCCESS; } -VOID OverrideServiceFlowParams(PMINI_ADAPTER Adapter,PUINT puiBuffer) +VOID OverrideServiceFlowParams(PMINI_ADAPTER Adapter, PUINT puiBuffer) { - B_UINT32 u32NumofSFsinMsg = ntohl(*(puiBuffer + 1)); + B_UINT32 u32NumofSFsinMsg = ntohl(*(puiBuffer + 1)); stIM_SFHostNotify *pHostInfo = NULL; - UINT uiSearchRuleIndex = 0; - ULONG ulSFID = 0; + UINT uiSearchRuleIndex = 0; + ULONG ulSFID = 0; - puiBuffer+=2; + puiBuffer += 2; + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "u32NumofSFsinMsg: 0x%x\n", u32NumofSFsinMsg); - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "u32NumofSFsinMsg: 0x%x\n",u32NumofSFsinMsg); - - while(u32NumofSFsinMsg != 0 && u32NumofSFsinMsg < NO_OF_QUEUES) - { + while (u32NumofSFsinMsg != 0 && u32NumofSFsinMsg < NO_OF_QUEUES) { u32NumofSFsinMsg--; pHostInfo = (stIM_SFHostNotify *)puiBuffer; puiBuffer = (PUINT)(pHostInfo + 1); ulSFID = ntohl(pHostInfo->SFID); - uiSearchRuleIndex=SearchSfid(Adapter,ulSFID); - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"SFID: 0x%lx\n",ulSFID); + uiSearchRuleIndex = SearchSfid(Adapter, ulSFID); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "SFID: 0x%lx\n", ulSFID); - if(uiSearchRuleIndex >= NO_OF_QUEUES || uiSearchRuleIndex == HiPriority) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"The SFID <%lx> doesn't exist in host entry or is Invalid\n", ulSFID); + if (uiSearchRuleIndex >= NO_OF_QUEUES || uiSearchRuleIndex == HiPriority) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "The SFID <%lx> doesn't exist in host entry or is Invalid\n", ulSFID); continue; } - if(pHostInfo->RetainSF == FALSE) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"Going to Delete SF"); - deleteSFBySfid(Adapter,uiSearchRuleIndex); - } - else - { - + if (pHostInfo->RetainSF == FALSE) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "Going to Delete SF"); + deleteSFBySfid(Adapter, uiSearchRuleIndex); + } else { Adapter->PackInfo[uiSearchRuleIndex].usVCID_Value = ntohs(pHostInfo->VCID); Adapter->PackInfo[uiSearchRuleIndex].usCID = ntohs(pHostInfo->newCID); - Adapter->PackInfo[uiSearchRuleIndex].bActive=FALSE; + Adapter->PackInfo[uiSearchRuleIndex].bActive = FALSE; - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL,"pHostInfo->QoSParamSet: 0x%x\n",pHostInfo->QoSParamSet); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, CONN_MSG, DBG_LVL_ALL, "pHostInfo->QoSParamSet: 0x%x\n", pHostInfo->QoSParamSet); - if(pHostInfo->QoSParamSet & 0x1) - Adapter->PackInfo[uiSearchRuleIndex].bAuthorizedSet =TRUE; - if(pHostInfo->QoSParamSet & 0x2) - Adapter->PackInfo[uiSearchRuleIndex].bAdmittedSet =TRUE; - if(pHostInfo->QoSParamSet & 0x4) - { - Adapter->PackInfo[uiSearchRuleIndex].bActiveSet =TRUE; - Adapter->PackInfo[uiSearchRuleIndex].bActive=TRUE; + if (pHostInfo->QoSParamSet & 0x1) + Adapter->PackInfo[uiSearchRuleIndex].bAuthorizedSet = TRUE; + if (pHostInfo->QoSParamSet & 0x2) + Adapter->PackInfo[uiSearchRuleIndex].bAdmittedSet = TRUE; + if (pHostInfo->QoSParamSet & 0x4) { + Adapter->PackInfo[uiSearchRuleIndex].bActiveSet = TRUE; + Adapter->PackInfo[uiSearchRuleIndex].bActive = TRUE; } } } } - - - diff --git a/drivers/staging/bcm/led_control.h b/drivers/staging/bcm/led_control.h index 0711ac20f6f..ed8fbc09111 100644 --- a/drivers/staging/bcm/led_control.h +++ b/drivers/staging/bcm/led_control.h @@ -4,11 +4,11 @@ /*************************TYPE DEF**********************/ #define NUM_OF_LEDS 4 -#define DSD_START_OFFSET 0x0200 -#define EEPROM_VERSION_OFFSET 0x020E -#define EEPROM_HW_PARAM_POINTER_ADDRESS 0x0218 -#define EEPROM_HW_PARAM_POINTER_ADDRRES_MAP5 0x0220 -#define GPIO_SECTION_START_OFFSET 0x03 +#define DSD_START_OFFSET 0x0200 +#define EEPROM_VERSION_OFFSET 0x020E +#define EEPROM_HW_PARAM_POINTER_ADDRESS 0x0218 +#define EEPROM_HW_PARAM_POINTER_ADDRRES_MAP5 0x0220 +#define GPIO_SECTION_START_OFFSET 0x03 #define COMPATIBILITY_SECTION_LENGTH 42 #define COMPATIBILITY_SECTION_LENGTH_MAP5 84 @@ -18,27 +18,27 @@ #define EEPROM_MAP5_MINORVERSION 0 -#define MAX_NUM_OF_BLINKS 10 -#define NUM_OF_GPIO_PINS 16 +#define MAX_NUM_OF_BLINKS 10 +#define NUM_OF_GPIO_PINS 16 -#define DISABLE_GPIO_NUM 0xFF -#define EVENT_SIGNALED 1 +#define DISABLE_GPIO_NUM 0xFF +#define EVENT_SIGNALED 1 -#define MAX_FILE_NAME_BUFFER_SIZE 100 +#define MAX_FILE_NAME_BUFFER_SIZE 100 -#define TURN_ON_LED(GPIO, index) do{ \ +#define TURN_ON_LED(GPIO, index) do { \ UINT gpio_val = GPIO; \ (Adapter->LEDInfo.LEDState[index].BitPolarity == 1) ? \ - wrmaltWithLock(Adapter,BCM_GPIO_OUTPUT_SET_REG, &gpio_val ,sizeof(gpio_val)) : \ - wrmaltWithLock(Adapter,BCM_GPIO_OUTPUT_CLR_REG, &gpio_val, sizeof(gpio_val)); \ - }while(0); + wrmaltWithLock(Adapter, BCM_GPIO_OUTPUT_SET_REG, &gpio_val, sizeof(gpio_val)) : \ + wrmaltWithLock(Adapter, BCM_GPIO_OUTPUT_CLR_REG, &gpio_val, sizeof(gpio_val)); \ + } while (0); #define TURN_OFF_LED(GPIO, index) do { \ UINT gpio_val = GPIO; \ (Adapter->LEDInfo.LEDState[index].BitPolarity == 1) ? \ - wrmaltWithLock(Adapter,BCM_GPIO_OUTPUT_CLR_REG,&gpio_val ,sizeof(gpio_val)) : \ - wrmaltWithLock(Adapter,BCM_GPIO_OUTPUT_SET_REG,&gpio_val ,sizeof(gpio_val)); \ - }while(0); + wrmaltWithLock(Adapter, BCM_GPIO_OUTPUT_CLR_REG, &gpio_val, sizeof(gpio_val)) : \ + wrmaltWithLock(Adapter, BCM_GPIO_OUTPUT_SET_REG, &gpio_val, sizeof(gpio_val)); \ + } while (0); #define B_ULONG32 unsigned long @@ -50,7 +50,7 @@ typedef enum _LEDColors{ BLUE_LED = 2, YELLOW_LED = 3, GREEN_LED = 4 -} LEDColors; /*Enumerated values of different LED types*/ +} LEDColors; /*Enumerated values of different LED types*/ typedef enum LedEvents { SHUTDOWN_EXIT = 0x00, @@ -62,43 +62,39 @@ typedef enum LedEvents { LOWPOWER_MODE_ENTER = 0x20, IDLEMODE_CONTINUE = 0x40, IDLEMODE_EXIT = 0x80, - LED_THREAD_INACTIVE = 0x100, //Makes the LED thread Inactivce. It wil be equivallent to putting the thread on hold. - LED_THREAD_ACTIVE = 0x200 //Makes the LED Thread Active back. -} LedEventInfo_t; /*Enumerated values of different driver states*/ - -#define DRIVER_HALT 0xff - - -/*Structure which stores the information of different LED types - * and corresponding LED state information of driver states*/ -typedef struct LedStateInfo_t -{ + LED_THREAD_INACTIVE = 0x100, /* Makes the LED thread Inactivce. It wil be equivallent to putting the thread on hold. */ + LED_THREAD_ACTIVE = 0x200, /* Makes the LED Thread Active back. */ + DRIVER_HALT = 0xff +} LedEventInfo_t; /* Enumerated values of different driver states */ + +/* + * Structure which stores the information of different LED types + * and corresponding LED state information of driver states + */ +typedef struct LedStateInfo_t { UCHAR LED_Type; /* specify GPIO number - use 0xFF if not used */ UCHAR LED_On_State; /* Bits set or reset for different states */ UCHAR LED_Blink_State; /* Bits set or reset for blinking LEDs for different states */ UCHAR GPIO_Num; - UCHAR BitPolarity; /*To represent whether H/W is normal polarity or reverse - polarity*/ -}LEDStateInfo, *pLEDStateInfo; + UCHAR BitPolarity; /* To represent whether H/W is normal polarity or reverse polarity */ +} LEDStateInfo, *pLEDStateInfo; -typedef struct _LED_INFO_STRUCT -{ +typedef struct _LED_INFO_STRUCT { LEDStateInfo LEDState[NUM_OF_LEDS]; - BOOLEAN bIdleMode_tx_from_host; /*Variable to notify whether driver came out - from idlemode due to Host or target*/ + BOOLEAN bIdleMode_tx_from_host; /* Variable to notify whether driver came out from idlemode due to Host or target*/ BOOLEAN bIdle_led_off; wait_queue_head_t notify_led_event; wait_queue_head_t idleModeSyncEvent; - struct task_struct *led_cntrl_threadid; - int led_thread_running; + struct task_struct *led_cntrl_threadid; + int led_thread_running; BOOLEAN bLedInitDone; } LED_INFO_STRUCT, *PLED_INFO_STRUCT; -//LED Thread state. -#define BCM_LED_THREAD_DISABLED 0 //LED Thread is not running. -#define BCM_LED_THREAD_RUNNING_ACTIVELY 1 //LED thread is running. -#define BCM_LED_THREAD_RUNNING_INACTIVELY 2 //LED thread has been put on hold +/* LED Thread state. */ +#define BCM_LED_THREAD_DISABLED 0 /* LED Thread is not running. */ +#define BCM_LED_THREAD_RUNNING_ACTIVELY 1 /* LED thread is running. */ +#define BCM_LED_THREAD_RUNNING_INACTIVELY 2 /*LED thread has been put on hold*/ diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig index 4c77e508066..12c691d9090 100644 --- a/drivers/staging/comedi/Kconfig +++ b/drivers/staging/comedi/Kconfig @@ -765,8 +765,9 @@ config COMEDI_ADV_PCI_DIO default N ---help--- Enable support for Advantech PCI DIO cards - PCI-1730, PCI-1733, PCI-1734, PCI-1736UP, PCI-1750, PCI-1751, - PCI-1752, PCI-1753/E, PCI-1754, PCI-1756 and PCI-1762 + PCI-1730, PCI-1733, PCI-1734, PCI-1735U, PCI-1736UP, PCI-1739U, + PCI-1750, PCI-1751, PCI-1752, PCI-1753/E, PCI-1754, PCI-1756, + PCI-1760 and PCI-1762 To compile this driver as a module, choose M here: the module will be called adv_pci_dio. diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c index 537e5853427..7af068f4a74 100644 --- a/drivers/staging/comedi/drivers/adv_pci_dio.c +++ b/drivers/staging/comedi/drivers/adv_pci_dio.c @@ -8,16 +8,16 @@ /* Driver: adv_pci_dio Description: Advantech PCI-1730, PCI-1733, PCI-1734, PCI-1735U, - PCI-1736UP, PCI-1750, PCI-1751, PCI-1752, PCI-1753/E, - PCI-1754, PCI-1756, PCI-1762 + PCI-1736UP, PCI-1739U, PCI-1750, PCI-1751, PCI-1752, + PCI-1753/E, PCI-1754, PCI-1756, PCI-1760, PCI-1762 Author: Michal Dobes <dobes@tesnet.cz> Devices: [Advantech] PCI-1730 (adv_pci_dio), PCI-1733, - PCI-1734, PCI-1735U, PCI-1736UP, PCI-1750, + PCI-1734, PCI-1735U, PCI-1736UP, PCI-1739U, PCI-1750, PCI-1751, PCI-1752, PCI-1753, PCI-1753+PCI-1753E, PCI-1754, PCI-1756, PCI-1760, PCI-1762 Status: untested -Updated: Tue, 04 May 2010 13:00:00 +0000 +Updated: Mon, 09 Jan 2012 12:40:46 +0000 This driver supports now only insn interface for DI/DO/DIO. @@ -51,6 +51,7 @@ Configuration options: /* hardware types of the cards */ enum hw_cards_id { TYPE_PCI1730, TYPE_PCI1733, TYPE_PCI1734, TYPE_PCI1735, TYPE_PCI1736, + TYPE_PCI1739, TYPE_PCI1750, TYPE_PCI1751, TYPE_PCI1752, @@ -109,6 +110,12 @@ enum hw_io_access { #define PCI1736_BOARDID 4 /* R: Board I/D switch for 1736UP */ #define PCI1736_MAINREG 0 /* Normal register (2) doesn't work */ +/* Advantech PCI-1739U */ +#define PCI1739_DIO 0 /* R/W: begin of 8255 registers block */ +#define PCI1739_ICR 32 /* W: Interrupt control register */ +#define PCI1739_ISR 32 /* R: Interrupt status register */ +#define PCI1739_BOARDID 8 /* R: Board I/D switch for 1739U */ + /* Advantech PCI-1750 */ #define PCI1750_IDI 0 /* R: Isolated digital input 0-15 */ #define PCI1750_IDO 0 /* W: Isolated digital output 0-15 */ @@ -262,6 +269,7 @@ static DEFINE_PCI_DEVICE_TABLE(pci_dio_pci_table) = { { PCI_DEVICE(PCI_VENDOR_ID_ADVANTECH, 0x1734) }, { PCI_DEVICE(PCI_VENDOR_ID_ADVANTECH, 0x1735) }, { PCI_DEVICE(PCI_VENDOR_ID_ADVANTECH, 0x1736) }, + { PCI_DEVICE(PCI_VENDOR_ID_ADVANTECH, 0x1739) }, { PCI_DEVICE(PCI_VENDOR_ID_ADVANTECH, 0x1750) }, { PCI_DEVICE(PCI_VENDOR_ID_ADVANTECH, 0x1751) }, { PCI_DEVICE(PCI_VENDOR_ID_ADVANTECH, 0x1752) }, @@ -316,6 +324,14 @@ static const struct dio_boardtype boardtypes[] = { {4, PCI1736_BOARDID, 1, SDF_INTERNAL}, { {0, 0, 0, 0} }, IO_8b}, + {"pci1739", PCI_VENDOR_ID_ADVANTECH, 0x1739, PCIDIO_MAINREG, + TYPE_PCI1739, + { {0, 0, 0, 0}, {0, 0, 0, 0} }, + { {0, 0, 0, 0}, {0, 0, 0, 0} }, + { {48, PCI1739_DIO, 2, 0}, {0, 0, 0, 0} }, + {0, 0, 0, 0}, + { {0, 0, 0, 0} }, + IO_8b}, {"pci1750", PCI_VENDOR_ID_ADVANTECH, 0x1750, PCIDIO_MAINREG, TYPE_PCI1750, { {0, 0, 0, 0}, {16, PCI1750_IDI, 2, 0} }, @@ -883,6 +899,11 @@ static int pci_dio_reset(struct comedi_device *dev) outb(0, dev->iobase + PCI1736_3_INT_RF); break; + case TYPE_PCI1739: + /* disable & clear interrupts */ + outb(0x88, dev->iobase + PCI1739_ICR); + break; + case TYPE_PCI1750: case TYPE_PCI1751: /* disable & clear interrupts */ diff --git a/drivers/staging/comedi/drivers/dt2801.c b/drivers/staging/comedi/drivers/dt2801.c index 5cce1b5f448..b85c8366a39 100644 --- a/drivers/staging/comedi/drivers/dt2801.c +++ b/drivers/staging/comedi/drivers/dt2801.c @@ -720,12 +720,20 @@ static int dt2801_dio_insn_config(struct comedi_device *dev, which = 1; /* configure */ - if (data[0]) { + switch (data[0]) { + case INSN_CONFIG_DIO_OUTPUT: s->io_bits = 0xff; dt2801_writecmd(dev, DT_C_SET_DIGOUT); - } else { + break; + case INSN_CONFIG_DIO_INPUT: s->io_bits = 0; dt2801_writecmd(dev, DT_C_SET_DIGIN); + break; + case INSN_CONFIG_DIO_QUERY: + data[1] = s->io_bits ? COMEDI_OUTPUT : COMEDI_INPUT; + return insn->n; + default: + return -EINVAL; } dt2801_writedata(dev, which); diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c index 32d9c42e965..e86ab586289 100644 --- a/drivers/staging/comedi/drivers/dt9812.c +++ b/drivers/staging/comedi/drivers/dt9812.c @@ -527,7 +527,7 @@ static void dt9812_configure_gain(struct usb_dt9812 *dev, * 11x -> Gain = 0.5 */ case DT9812_GAIN_0PT5: - rmw->or_value = F020_MASK_ADC0CF_AMP0GN2 || + rmw->or_value = F020_MASK_ADC0CF_AMP0GN2 | F020_MASK_ADC0CF_AMP0GN1; break; case DT9812_GAIN_1: @@ -540,7 +540,7 @@ static void dt9812_configure_gain(struct usb_dt9812 *dev, rmw->or_value = F020_MASK_ADC0CF_AMP0GN1; break; case DT9812_GAIN_8: - rmw->or_value = F020_MASK_ADC0CF_AMP0GN1 || + rmw->or_value = F020_MASK_ADC0CF_AMP0GN1 | F020_MASK_ADC0CF_AMP0GN0; break; case DT9812_GAIN_16: diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c index b692fea0d2b..b0bc6bb877a 100644 --- a/drivers/staging/comedi/drivers/me4000.c +++ b/drivers/staging/comedi/drivers/me4000.c @@ -2098,23 +2098,29 @@ static int me4000_dio_insn_config(struct comedi_device *dev, CALL_PDEBUG("In me4000_dio_insn_config()\n"); - if (data[0] == INSN_CONFIG_DIO_QUERY) { + switch (data[0]) { + default: + return -EINVAL; + case INSN_CONFIG_DIO_QUERY: data[1] = (s->io_bits & (1 << chan)) ? COMEDI_OUTPUT : COMEDI_INPUT; return insn->n; + case INSN_CONFIG_DIO_INPUT: + case INSN_CONFIG_DIO_OUTPUT: + break; } /* * The input or output configuration of each digital line is * configured by a special insn_config instruction. chanspec * contains the channel to be changed, and data[0] contains the - * value COMEDI_INPUT or COMEDI_OUTPUT. + * value INSN_CONFIG_DIO_INPUT or INSN_CONFIG_DIO_OUTPUT. * On the ME-4000 it is only possible to switch port wise (8 bit) */ tmp = me4000_inl(dev, info->dio_context.ctrl_reg); - if (data[0] == COMEDI_OUTPUT) { + if (data[0] == INSN_CONFIG_DIO_OUTPUT) { if (chan < 8) { s->io_bits |= 0xFF; tmp &= ~(ME4000_DIO_CTRL_BIT_MODE_0 | diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c index 045a4c00f34..1df8fcbcd10 100644 --- a/drivers/staging/comedi/drivers/ni_pcidio.c +++ b/drivers/staging/comedi/drivers/ni_pcidio.c @@ -30,7 +30,7 @@ Status: works Devices: [National Instruments] PCI-DIO-32HS (ni_pcidio), PXI-6533, PCI-DIO-96, PCI-DIO-96B, PXI-6508, PCI-6503, PCI-6503B, PCI-6503X, PXI-6503, PCI-6533, PCI-6534 -Updated: Sun, 21 Apr 2002 21:03:38 -0700 +Updated: Mon, 09 Jan 2012 14:27:23 +0000 The DIO-96 appears as four 8255 subdevices. See the 8255 driver notes for details. @@ -42,6 +42,11 @@ supports simple digital I/O; no handshaking is supported. DMA mostly works for the PCI-DIO32HS, but only in timed input mode. +The PCI-DIO-32HS/PCI-6533 has a configurable external trigger. Setting +scan_begin_arg to 0 or CR_EDGE triggers on the leading edge. Setting +scan_begin_arg to CR_INVERT or (CR_EDGE | CR_INVERT) triggers on the +trailing edge. + This driver could be easily modified to support AT-MIO32HS and AT-MIO96. @@ -436,6 +441,7 @@ static int ni_pcidio_request_di_mite_channel(struct comedi_device *dev) comedi_error(dev, "failed to reserve mite dma channel."); return -EBUSY; } + devpriv->di_mite_chan->dir = COMEDI_INPUT; writeb(primary_DMAChannel_bits(devpriv->di_mite_chan->channel) | secondary_DMAChannel_bits(devpriv->di_mite_chan->channel), devpriv->mite->daq_io_addr + DMA_Line_Control_Group1); @@ -482,6 +488,21 @@ void ni_pcidio_event(struct comedi_device *dev, struct comedi_subdevice *s) comedi_event(dev, s); } +static int ni_pcidio_poll(struct comedi_device *dev, struct comedi_subdevice *s) +{ + unsigned long irq_flags; + int count; + + spin_lock_irqsave(&dev->spinlock, irq_flags); + spin_lock(&devpriv->mite_channel_lock); + if (devpriv->di_mite_chan) + mite_sync_input_dma(devpriv->di_mite_chan, s->async); + spin_unlock(&devpriv->mite_channel_lock); + count = s->async->buf_write_count - s->async->buf_read_count; + spin_unlock_irqrestore(&dev->spinlock, irq_flags); + return count; +} + static irqreturn_t nidio_interrupt(int irq, void *d) { struct comedi_device *dev = d; @@ -497,7 +518,6 @@ static irqreturn_t nidio_interrupt(int irq, void *d) int status; int work = 0; unsigned int m_status = 0; - unsigned long irq_flags; /* interrupcions parasites */ if (dev->attached == 0) { @@ -505,6 +525,9 @@ static irqreturn_t nidio_interrupt(int irq, void *d) return IRQ_NONE; } + /* Lock to avoid race with comedi_poll */ + spin_lock(&dev->spinlock); + status = readb(devpriv->mite->daq_io_addr + Interrupt_And_Window_Status); flags = readb(devpriv->mite->daq_io_addr + Group_1_Flags); @@ -518,7 +541,7 @@ static irqreturn_t nidio_interrupt(int irq, void *d) /* printk("buf[4096]=%08x\n", *(unsigned int *)(async->prealloc_buf+4096)); */ - spin_lock_irqsave(&devpriv->mite_channel_lock, irq_flags); + spin_lock(&devpriv->mite_channel_lock); if (devpriv->di_mite_chan) m_status = mite_get_status(devpriv->di_mite_chan); #ifdef MITE_DEBUG @@ -543,7 +566,7 @@ static irqreturn_t nidio_interrupt(int irq, void *d) disable_irq(dev->irq); } } - spin_unlock_irqrestore(&devpriv->mite_channel_lock, irq_flags); + spin_unlock(&devpriv->mite_channel_lock); while (status & DataLeft) { work++; @@ -645,6 +668,8 @@ out: Master_DMA_And_Interrupt_Control); } #endif + + spin_unlock(&dev->spinlock); return IRQ_HANDLED; } @@ -825,8 +850,8 @@ static int ni_pcidio_cmdtest(struct comedi_device *dev, } else { /* TRIG_EXT */ /* should be level/edge, hi/lo specification here */ - if (cmd->scan_begin_arg != 0) { - cmd->scan_begin_arg = 0; + if ((cmd->scan_begin_arg & ~(CR_EDGE | CR_INVERT)) != 0) { + cmd->scan_begin_arg &= (CR_EDGE | CR_INVERT); err++; } } @@ -941,7 +966,13 @@ static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s) writeb(0, devpriv->mite->daq_io_addr + Sequence); writeb(0x00, devpriv->mite->daq_io_addr + ReqReg); writeb(4, devpriv->mite->daq_io_addr + BlockMode); - writeb(0, devpriv->mite->daq_io_addr + LinePolarities); + if (!(cmd->scan_begin_arg & CR_INVERT)) { + /* Leading Edge pulse mode */ + writeb(0, devpriv->mite->daq_io_addr + LinePolarities); + } else { + /* Trailing Edge pulse mode */ + writeb(2, devpriv->mite->daq_io_addr + LinePolarities); + } writeb(0x00, devpriv->mite->daq_io_addr + AckSer); writel(1, devpriv->mite->daq_io_addr + StartDelay); writeb(1, devpriv->mite->daq_io_addr + ReqDelay); @@ -1005,17 +1036,24 @@ static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s) static int setup_mite_dma(struct comedi_device *dev, struct comedi_subdevice *s) { int retval; + unsigned long flags; retval = ni_pcidio_request_di_mite_channel(dev); if (retval) return retval; - devpriv->di_mite_chan->dir = COMEDI_INPUT; + /* write alloc the entire buffer */ + comedi_buf_write_alloc(s->async, s->async->prealloc_bufsz); - mite_prep_dma(devpriv->di_mite_chan, 32, 32); + spin_lock_irqsave(&devpriv->mite_channel_lock, flags); + if (devpriv->di_mite_chan) { + mite_prep_dma(devpriv->di_mite_chan, 32, 32); + mite_dma_arm(devpriv->di_mite_chan); + } else + retval = -EIO; + spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); - mite_dma_arm(devpriv->di_mite_chan); - return 0; + return retval; } static int ni_pcidio_inttrig(struct comedi_device *dev, @@ -1244,6 +1282,7 @@ static int nidio_attach(struct comedi_device *dev, struct comedi_devconfig *it) s->len_chanlist = 32; /* XXX */ s->buf_change = &ni_pcidio_change; s->async_dma_dir = DMA_BIDIRECTIONAL; + s->poll = &ni_pcidio_poll; writel(0, devpriv->mite->daq_io_addr + Port_IO(0)); writel(0, devpriv->mite->daq_io_addr + Port_Pin_Directions(0)); diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c index 0f0d995f137..27baefa32b1 100644 --- a/drivers/staging/comedi/drivers/ni_pcimio.c +++ b/drivers/staging/comedi/drivers/ni_pcimio.c @@ -29,14 +29,15 @@ Devices: [National Instruments] PCI-MIO-16XE-50 (ni_pcimio), PCI-MIO-16XE-10, PXI-6030E, PCI-MIO-16E-1, PCI-MIO-16E-4, PCI-6014, PCI-6040E, PXI-6040E, PCI-6030E, PCI-6031E, PCI-6032E, PCI-6033E, PCI-6071E, PCI-6023E, PCI-6024E, PCI-6025E, PXI-6025E, PCI-6034E, PCI-6035E, PCI-6052E, - PCI-6110, PCI-6111, PCI-6220, PCI-6221, PCI-6224, PXI-6224, PCI-6225, PXI-6225, - PCI-6229, PCI-6250, PCI-6251, PCIe-6251, PCI-6254, PCI-6259, PCIe-6259, + PCI-6110, PCI-6111, PCI-6220, PCI-6221, PCI-6224, PXI-6224, + PCI-6225, PXI-6225, PCI-6229, PCI-6250, PCI-6251, PCIe-6251, PXIe-6251, + PCI-6254, PCI-6259, PCIe-6259, PCI-6280, PCI-6281, PXI-6281, PCI-6284, PCI-6289, PCI-6711, PXI-6711, PCI-6713, PXI-6713, PXI-6071E, PCI-6070E, PXI-6070E, PXI-6052E, PCI-6036E, PCI-6731, PCI-6733, PXI-6733, PCI-6143, PXI-6143 -Updated: Wed, 03 Dec 2008 10:51:47 +0000 +Updated: Mon, 09 Jan 2012 14:52:48 +0000 These boards are almost identical to the AT-MIO E series, except that they use the PCI bus instead of ISA (i.e., AT). See the notes for @@ -182,6 +183,7 @@ static DEFINE_PCI_DEVICE_TABLE(ni_pci_table) = { {PCI_DEVICE(PCI_VENDOR_ID_NI, 0x717f)}, {PCI_DEVICE(PCI_VENDOR_ID_NI, 0x71bc)}, {PCI_DEVICE(PCI_VENDOR_ID_NI, 0x717d)}, + {PCI_DEVICE(PCI_VENDOR_ID_NI, 0x72e8)}, {0} }; @@ -1046,6 +1048,25 @@ static const struct ni_board_struct ni_boards[] = { .has_8255 = 0, }, { + .device_id = 0x72e8, + .name = "pxie-6251", + .n_adchan = 16, + .adbits = 16, + .ai_fifo_depth = 4095, + .gainlkup = ai_gain_628x, + .ai_speed = 800, + .n_aochan = 2, + .aobits = 16, + .ao_fifo_depth = 8191, + .ao_range_table = &range_ni_M_625x_ao, + .reg_type = ni_reg_625x, + .ao_unipolar = 0, + .ao_speed = 357, + .num_p0_dio_channels = 8, + .caldac = {caldac_none}, + .has_8255 = 0, + }, + { .device_id = 0x70b7, .name = "pci-6254", .n_adchan = 32, diff --git a/drivers/staging/comedi/drivers/unioxx5.c b/drivers/staging/comedi/drivers/unioxx5.c index 89e62aa134b..f45824f0d86 100644 --- a/drivers/staging/comedi/drivers/unioxx5.c +++ b/drivers/staging/comedi/drivers/unioxx5.c @@ -306,7 +306,7 @@ static int __unioxx5_subdev_init(struct comedi_subdevice *subdev, usp = kzalloc(sizeof(*usp), GFP_KERNEL); if (usp == NULL) { - printk(KERN_ERR "comedi%d: erorr! --> out of memory!\n", minor); + printk(KERN_ERR "comedi%d: error! --> out of memory!\n", minor); return -1; } diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c index ca6bcf8b023..63c9b6dbc31 100644 --- a/drivers/staging/comedi/drivers/usbduxsigma.c +++ b/drivers/staging/comedi/drivers/usbduxsigma.c @@ -39,7 +39,7 @@ Status: testing * * * Revision history: - * 0.1: inital version + * 0.1: initial version * 0.2: all basic functions implemented, digital I/O only for one port * 0.3: proper vendor ID and driver name * 0.4: fixed D/A voltage range @@ -235,16 +235,16 @@ struct usbduxsub { short int ao_cmd_running; /* pwm is running */ short int pwm_cmd_running; - /* continous aquisition */ - short int ai_continous; - short int ao_continous; + /* continuous acquisition */ + short int ai_continuous; + short int ao_continuous; /* number of samples to acquire */ int ai_sample_count; int ao_sample_count; /* time between samples in units of the timer */ unsigned int ai_timer; unsigned int ao_timer; - /* counter between aquisitions */ + /* counter between acquisitions */ unsigned int ai_counter; unsigned int ao_counter; /* interval in frames/uframes */ @@ -455,8 +455,8 @@ static void usbduxsub_ai_IsocIrq(struct urb *urb) this_usbduxsub->ai_counter = this_usbduxsub->ai_timer; /* test, if we transmit only a fixed number of samples */ - if (!(this_usbduxsub->ai_continous)) { - /* not continous, fixed number of samples */ + if (!(this_usbduxsub->ai_continuous)) { + /* not continuous, fixed number of samples */ this_usbduxsub->ai_sample_count--; /* all samples received? */ if (this_usbduxsub->ai_sample_count < 0) { @@ -607,8 +607,8 @@ static void usbduxsub_ao_IsocIrq(struct urb *urb) /* timer zero */ this_usbduxsub->ao_counter = this_usbduxsub->ao_timer; - /* handle non continous aquisition */ - if (!(this_usbduxsub->ao_continous)) { + /* handle non continuous acquisition */ + if (!(this_usbduxsub->ao_continuous)) { /* fixed number of samples */ this_usbduxsub->ao_sample_count--; if (this_usbduxsub->ao_sample_count < 0) { @@ -925,7 +925,7 @@ static int usbdux_ai_cmdtest(struct comedi_device *dev, if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) err++; - /* scanning is continous */ + /* scanning is continuous */ tmp = cmd->convert_src; cmd->convert_src &= TRIG_NOW; if (!cmd->convert_src || tmp != cmd->convert_src) @@ -1193,7 +1193,7 @@ static int usbdux_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) up(&this_usbduxsub->sem); return -EBUSY; } - /* set current channel of the running aquisition to zero */ + /* set current channel of the running acquisition to zero */ s->async->cur_chan = 0; /* first the number of channels per time step */ @@ -1261,10 +1261,10 @@ static int usbdux_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) if (cmd->stop_src == TRIG_COUNT) { /* data arrives as one packet */ this_usbduxsub->ai_sample_count = cmd->stop_arg; - this_usbduxsub->ai_continous = 0; + this_usbduxsub->ai_continuous = 0; } else { - /* continous aquisition */ - this_usbduxsub->ai_continous = 1; + /* continuous acquisition */ + this_usbduxsub->ai_continuous = 1; this_usbduxsub->ai_sample_count = 0; } @@ -1586,7 +1586,7 @@ static int usbdux_ao_cmdtest(struct comedi_device *dev, /* just now we scan also in the high speed mode every frame */ /* this is due to ehci driver limitations */ if (0) { /* (this_usbduxsub->high_speed) */ - /* start immidiately a new scan */ + /* start immediately a new scan */ /* the sampling rate is set by the coversion rate */ cmd->scan_begin_src &= TRIG_FOLLOW; } else { @@ -1596,7 +1596,7 @@ static int usbdux_ao_cmdtest(struct comedi_device *dev, if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) err++; - /* scanning is continous */ + /* scanning is continuous */ tmp = cmd->convert_src; /* all conversion events happen simultaneously */ @@ -1710,7 +1710,7 @@ static int usbdux_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s) dev_dbg(&this_usbduxsub->interface->dev, "comedi%d: %s\n", dev->minor, __func__); - /* set current channel of the running aquisition to zero */ + /* set current channel of the running acquisition to zero */ s->async->cur_chan = 0; for (i = 0; i < cmd->chanlist_len; ++i) { chan = CR_CHAN(cmd->chanlist[i]); @@ -1759,7 +1759,7 @@ static int usbdux_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s) this_usbduxsub->ao_counter = this_usbduxsub->ao_timer; if (cmd->stop_src == TRIG_COUNT) { - /* not continous */ + /* not continuous */ /* counter */ /* high speed also scans everything at once */ if (0) { /* (this_usbduxsub->high_speed) */ @@ -1771,10 +1771,10 @@ static int usbdux_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s) /* data arrives as one packet */ this_usbduxsub->ao_sample_count = cmd->stop_arg; } - this_usbduxsub->ao_continous = 0; + this_usbduxsub->ao_continuous = 0; } else { - /* continous aquisition */ - this_usbduxsub->ao_continous = 1; + /* continuous acquisition */ + this_usbduxsub->ao_continuous = 1; this_usbduxsub->ao_sample_count = 0; } diff --git a/drivers/staging/crystalhd/bc_dts_glob_lnx.h b/drivers/staging/crystalhd/bc_dts_glob_lnx.h index bbe5119761f..fd1a6e680c8 100644 --- a/drivers/staging/crystalhd/bc_dts_glob_lnx.h +++ b/drivers/staging/crystalhd/bc_dts_glob_lnx.h @@ -48,8 +48,7 @@ #endif -#include "bc_dts_defs.h" -#include "bcm_70012_regs.h" /* Link Register defs */ +#include "crystalhd.h" #define CRYSTALHD_API_NAME "crystalhd" #define CRYSTALHD_API_DEV_NAME "/dev/crystalhd" diff --git a/drivers/staging/crystalhd/bc_dts_types.h b/drivers/staging/crystalhd/bc_dts_types.h deleted file mode 100644 index 1085a91221b..00000000000 --- a/drivers/staging/crystalhd/bc_dts_types.h +++ /dev/null @@ -1,40 +0,0 @@ -/******************************************************************** - * Copyright(c) 2006-2009 Broadcom Corporation. - * - * Name: bc_dts_types.h - * - * Description: Data types - * - * AU - * - * HISTORY: - * - ******************************************************************** - * This header is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published - * by the Free Software Foundation, either version 2.1 of the License. - * - * This header is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * You should have received a copy of the GNU Lesser General Public License - * along with this header. If not, see <http://www.gnu.org/licenses/>. - *******************************************************************/ - -#ifndef _BC_DTS_TYPES_H_ -#define _BC_DTS_TYPES_H_ - -#include <stdint.h> - -#ifndef TRUE - #define TRUE 1 -#endif - -#ifndef FALSE - #define FALSE 0 -#endif - -#define TEXT - -#endif diff --git a/drivers/staging/crystalhd/crystalhd.h b/drivers/staging/crystalhd/crystalhd.h new file mode 100644 index 00000000000..3f4d7951502 --- /dev/null +++ b/drivers/staging/crystalhd/crystalhd.h @@ -0,0 +1,14 @@ +#ifndef _CRYSTALHD_H_ +#define _CRYSTALHD_H_ + +#include <asm/system.h> +#include "bc_dts_defs.h" +#include "crystalhd_misc.h" +#include "bc_dts_glob_lnx.h" +#include "crystalhd_hw.h" +#include "crystalhd_cmds.h" +#include "crystalhd_lnx.h" +#include "bcm_70012_regs.h" +#include "crystalhd_fw_if.h" + +#endif diff --git a/drivers/staging/crystalhd/crystalhd_cmds.c b/drivers/staging/crystalhd/crystalhd_cmds.c index 3735ed3da4c..05fe78748df 100644 --- a/drivers/staging/crystalhd/crystalhd_cmds.c +++ b/drivers/staging/crystalhd/crystalhd_cmds.c @@ -24,8 +24,7 @@ * along with this driver. If not, see <http://www.gnu.org/licenses/>. **********************************************************************/ -#include "crystalhd_cmds.h" -#include "crystalhd_hw.h" +#include "crystalhd.h" static struct crystalhd_user *bc_cproc_get_uid(struct crystalhd_cmd *ctx) { diff --git a/drivers/staging/crystalhd/crystalhd_cmds.h b/drivers/staging/crystalhd/crystalhd_cmds.h index f0a2796045c..4066ba393a1 100644 --- a/drivers/staging/crystalhd/crystalhd_cmds.h +++ b/drivers/staging/crystalhd/crystalhd_cmds.h @@ -33,8 +33,8 @@ * from _dts_glob and dts_defs etc.. which are defined for * windows. */ -#include "crystalhd_misc.h" -#include "crystalhd_hw.h" + +#include "crystalhd.h" enum crystalhd_state { BC_LINK_INVALID = 0x00, diff --git a/drivers/staging/crystalhd/crystalhd_hw.c b/drivers/staging/crystalhd/crystalhd_hw.c index 5acf39e7cde..e617d2fcbb1 100644 --- a/drivers/staging/crystalhd/crystalhd_hw.c +++ b/drivers/staging/crystalhd/crystalhd_hw.c @@ -22,10 +22,11 @@ * along with this driver. If not, see <http://www.gnu.org/licenses/>. **********************************************************************/ +#include "crystalhd.h" + #include <linux/pci.h> #include <linux/slab.h> #include <linux/delay.h> -#include "crystalhd_hw.h" /* Functions internal to this file */ @@ -766,7 +767,7 @@ static enum BC_STATUS crystalhd_hw_fill_desc(struct crystalhd_dio_req *ioreq, crystalhd_hw_dump_desc(desc, last_desc_ix, 1); if (count != xfr_sz) { - BCMLOG_ERR("interal error sz curr:%x exp:%x\n", count, xfr_sz); + BCMLOG_ERR("internal error sz curr:%x exp:%x\n", count, xfr_sz); return BC_STS_ERROR; } @@ -868,8 +869,7 @@ static enum BC_STATUS crystalhd_stop_tx_dma_engine(struct crystalhd_hw *hw) BCMLOG(BCMLOG_DBG, "Stopping TX DMA Engine..\n"); - /* FIXME: jarod: invert dma_ctrl and check bit? or are there missing parens? */ - if (!dma_cntrl & DMA_START_BIT) { + if (!(dma_cntrl & DMA_START_BIT)) { BCMLOG(BCMLOG_DBG, "Already Stopped\n"); return BC_STS_SUCCESS; } @@ -1628,7 +1628,6 @@ enum BC_STATUS crystalhd_download_fw(struct crystalhd_adp *adp, void *buffer, ui uint32_t fw_sig_len = 36; uint32_t dram_offset = BC_FWIMG_ST_ADDR, sig_reg; - BCMLOG_ENTER; if (!adp || !buffer || !sz) { BCMLOG_ERR("Invalid Params.\n"); @@ -1725,8 +1724,6 @@ enum BC_STATUS crystalhd_do_fw_cmd(struct crystalhd_hw *hw, crystalhd_create_event(&fw_cmd_event); - BCMLOG_ENTER; - if (!hw || !fw_cmd) { BCMLOG_ERR("Invalid Arguments\n"); return BC_STS_INV_ARG; diff --git a/drivers/staging/crystalhd/crystalhd_hw.h b/drivers/staging/crystalhd/crystalhd_hw.h index 3efbf9d4ff5..2d0e6c6005e 100644 --- a/drivers/staging/crystalhd/crystalhd_hw.h +++ b/drivers/staging/crystalhd/crystalhd_hw.h @@ -27,8 +27,7 @@ #ifndef _CRYSTALHD_HW_H_ #define _CRYSTALHD_HW_H_ -#include "crystalhd_misc.h" -#include "crystalhd_fw_if.h" +#include "crystalhd.h" /* HW constants..*/ #define DMA_ENGINE_CNT 2 diff --git a/drivers/staging/crystalhd/crystalhd_lnx.c b/drivers/staging/crystalhd/crystalhd_lnx.c index 7e0c199f689..d9e3d618f7f 100644 --- a/drivers/staging/crystalhd/crystalhd_lnx.c +++ b/drivers/staging/crystalhd/crystalhd_lnx.c @@ -15,10 +15,11 @@ along with this driver. If not, see <http://www.gnu.org/licenses/>. ***************************************************************************/ +#include "crystalhd.h" + #include <linux/mutex.h> #include <linux/slab.h> -#include "crystalhd_lnx.h" static DEFINE_MUTEX(chd_dec_mutex); static struct class *crystalhd_class; @@ -298,7 +299,6 @@ static int chd_dec_open(struct inode *in, struct file *fd) enum BC_STATUS sts = BC_STS_SUCCESS; struct crystalhd_user *uc = NULL; - BCMLOG_ENTER; if (!adp) { BCMLOG_ERR("Invalid adp\n"); return -EINVAL; @@ -327,7 +327,6 @@ static int chd_dec_close(struct inode *in, struct file *fd) struct crystalhd_adp *adp = chd_get_adp(); struct crystalhd_user *uc; - BCMLOG_ENTER; if (!adp) { BCMLOG_ERR("Invalid adp\n"); return -EINVAL; @@ -513,8 +512,6 @@ static void __devexit chd_dec_pci_remove(struct pci_dev *pdev) struct crystalhd_adp *pinfo; enum BC_STATUS sts = BC_STS_SUCCESS; - BCMLOG_ENTER; - pinfo = pci_get_drvdata(pdev); if (!pinfo) { BCMLOG_ERR("could not get adp\n"); diff --git a/drivers/staging/crystalhd/crystalhd_lnx.h b/drivers/staging/crystalhd/crystalhd_lnx.h index a2b5a56be6d..a81f9298b0a 100644 --- a/drivers/staging/crystalhd/crystalhd_lnx.h +++ b/drivers/staging/crystalhd/crystalhd_lnx.h @@ -1,7 +1,7 @@ /*************************************************************************** * Copyright (c) 2005-2009, Broadcom Corporation. * - * Name: crystalhd_lnx . c + * Name: crystalhd_lnx . h * * Description: * BCM70012 Linux driver @@ -48,11 +48,10 @@ #include <asm/system.h> #include <linux/uaccess.h> -#include "crystalhd_cmds.h" +#include "crystalhd.h" #define CRYSTAL_HD_NAME "Broadcom Crystal HD Decoder (BCM70012) Driver" - /* OS specific PCI information structure and adapter information. */ struct crystalhd_adp { /* Hardware borad/PCI specifics */ diff --git a/drivers/staging/crystalhd/crystalhd_misc.c b/drivers/staging/crystalhd/crystalhd_misc.c index 5fa0c6e10ce..b3a637814a1 100644 --- a/drivers/staging/crystalhd/crystalhd_misc.c +++ b/drivers/staging/crystalhd/crystalhd_misc.c @@ -24,10 +24,9 @@ * along with this driver. If not, see <http://www.gnu.org/licenses/>. **********************************************************************/ -#include <linux/slab.h> +#include "crystalhd.h" -#include "crystalhd_misc.h" -#include "crystalhd_lnx.h" +#include <linux/slab.h> uint32_t g_linklog_level; diff --git a/drivers/staging/crystalhd/crystalhd_misc.h b/drivers/staging/crystalhd/crystalhd_misc.h index 4d617235742..84c87938a83 100644 --- a/drivers/staging/crystalhd/crystalhd_misc.h +++ b/drivers/staging/crystalhd/crystalhd_misc.h @@ -28,6 +28,8 @@ #ifndef _CRYSTALHD_MISC_H_ #define _CRYSTALHD_MISC_H_ +#include "crystalhd.h" + #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> @@ -35,8 +37,6 @@ #include <linux/ioctl.h> #include <linux/dma-mapping.h> #include <linux/sched.h> -#include <asm/system.h> -#include "bc_dts_glob_lnx.h" /* Global log level variable defined in crystal_misc.c file */ extern uint32_t g_linklog_level; @@ -200,29 +200,21 @@ enum _chd_log_levels { BCMLOG_INFO = 0x00000001, /* Generic informational */ BCMLOG_DBG = 0x00000002, /* First level Debug info */ BCMLOG_SSTEP = 0x00000004, /* Stepping information */ - BCMLOG_ENTER_LEAVE = 0x00000008, /* stack tracking */ }; -#define BCMLOG_ENTER \ -if (g_linklog_level & BCMLOG_ENTER_LEAVE) { \ - printk(KERN_DEBUG "Entered %s\n", __func__); \ -} -#define BCMLOG_LEAVE \ -if (g_linklog_level & BCMLOG_ENTER_LEAVE) { \ - printk(KERN_DEBUG "Leaving %s\n", __func__); \ -} +#define BCMLOG(trace, fmt, args...) \ +do { \ + if (g_linklog_level & trace) \ + printk(fmt, ##args); \ +} while (0) -#define BCMLOG(trace, fmt, args...) \ -if (g_linklog_level & trace) { \ - printk(fmt, ##args); \ -} -#define BCMLOG_ERR(fmt, args...) \ -do { \ - if (g_linklog_level & BCMLOG_ERROR) { \ - printk(KERN_ERR "*ERR*:%s:%d: "fmt, __FILE__, __LINE__, ##args); \ - } \ -} while (0); +#define BCMLOG_ERR(fmt, args...) \ +do { \ + if (g_linklog_level & BCMLOG_ERROR) \ + printk(KERN_ERR "*ERR*:%s:%d: "fmt, \ + __FILE__, __LINE__, ##args); \ +} while (0) #endif diff --git a/drivers/staging/et131x/README b/drivers/staging/et131x/README index 3458aa713a3..82657233c8b 100644 --- a/drivers/staging/et131x/README +++ b/drivers/staging/et131x/README @@ -11,6 +11,6 @@ TODO: - Use of kmem_cache seems a bit unusual Please send patches to: - Greg Kroah-Hartman <gregkh@suse.de> + Greg Kroah-Hartman <gregkh@linuxfoundation.org> Mark Einon <mark.einon@gmail.com> diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c index 2c4069fcd98..3f919babe79 100644 --- a/drivers/staging/et131x/et131x.c +++ b/drivers/staging/et131x/et131x.c @@ -802,7 +802,7 @@ static int et131x_init_eeprom(struct et131x_adapter *adapter) /* THIS IS A WORKAROUND: * I need to call this function twice to get my card in a * LG M1 Express Dual running. I tried also a msleep before this - * function, because I thougth there could be some time condidions + * function, because I thought there could be some time condidions * but it didn't work. Call the whole function twice also work. */ if (pci_read_config_byte(pdev, ET1310_PCI_EEPROM_STATUS, &eestatus)) { @@ -987,7 +987,7 @@ static void et1310_config_mac_regs1(struct et131x_adapter *adapter) writel(station1, ¯egs->station_addr_1); writel(station2, ¯egs->station_addr_2); - /* Max ethernet packet in bytes that will passed by the mac without + /* Max ethernet packet in bytes that will be passed by the mac without * being truncated. Allow the MAC to pass 4 more than our max packet * size. This is 4 for the Ethernet CRC. * @@ -3109,7 +3109,7 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *adapter) skb->protocol = eth_type_trans(skb, adapter->netdev); skb->ip_summed = CHECKSUM_NONE; - netif_rx(skb); + netif_rx_ni(skb); } else { rfd->len = 0; } @@ -4413,7 +4413,7 @@ static void et131x_up(struct net_device *netdev) /** * et131x_down - Bring down the device - * @netdev: device to be broght down + * @netdev: device to be brought down */ static void et131x_down(struct net_device *netdev) { @@ -5177,7 +5177,7 @@ static int et131x_set_mac_addr(struct net_device *netdev, void *new_mac) /* Make sure the requested MAC is valid */ if (!is_valid_ether_addr(address->sa_data)) - return -EINVAL; + return -EADDRNOTAVAIL; et131x_disable_txrx(netdev); et131x_handle_send_interrupt(adapter); diff --git a/drivers/staging/et131x/et131x.h b/drivers/staging/et131x/et131x.h index 7eed3c8986f..864379b4e8d 100644 --- a/drivers/staging/et131x/et131x.h +++ b/drivers/staging/et131x/et131x.h @@ -596,7 +596,7 @@ struct rxdma_regs { /* Location: */ * structure for tx test reg in txmac address map * located at address 0x3014 * 31-17: unused - * 16: reserved1 + * 16: reserved * 15: txtest_en * 14-11: unused * 10-0: txq test pointer @@ -1485,7 +1485,7 @@ struct address_map { * 3: reserved * 2: ignore_10g_fr * 1: reserved - * 0: preamble_supress_en + * 0: preamble_suppress_en */ /* MI Register 22: PHY Configuration Reg(0x16) diff --git a/drivers/staging/frontier/alphatrack.c b/drivers/staging/frontier/alphatrack.c index d8efed65744..3bf0f40e97f 100644 --- a/drivers/staging/frontier/alphatrack.c +++ b/drivers/staging/frontier/alphatrack.c @@ -450,7 +450,7 @@ exit: /** * usb_alphatrack_poll */ -static unsigned int usb_alphatrack_poll(struct file *file, poll_table * wait) +static unsigned int usb_alphatrack_poll(struct file *file, poll_table *wait) { struct usb_alphatrack *dev; unsigned int mask = 0; diff --git a/drivers/staging/frontier/tranzport.c b/drivers/staging/frontier/tranzport.c index cf47a5d191f..29e99bbcae4 100644 --- a/drivers/staging/frontier/tranzport.c +++ b/drivers/staging/frontier/tranzport.c @@ -471,7 +471,7 @@ exit: /** * usb_tranzport_poll */ -static unsigned int usb_tranzport_poll(struct file *file, poll_table * wait) +static unsigned int usb_tranzport_poll(struct file *file, poll_table *wait) { struct usb_tranzport *dev; unsigned int mask = 0; diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c index 7faeadad1ff..71aaad31270 100644 --- a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c +++ b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c @@ -29,10 +29,10 @@ #define FT1000_PROC "ft1000" #define MAX_FILE_LEN 255 -#define PUTM_TO_PAGE(len,page,args...) \ +#define PUTM_TO_PAGE(len, page, args...) \ len += snprintf(page+len, PAGE_SIZE - len, args) -#define PUTX_TO_PAGE(len,page,message,size,var) \ +#define PUTX_TO_PAGE(len, page, message, size, var) \ len += snprintf(page+len, PAGE_SIZE - len, message); \ for(i = 0; i < (size - 1); i++) \ { \ @@ -40,7 +40,7 @@ } \ len += snprintf(page+len, PAGE_SIZE - len, "%02x\n", var[i]) -#define PUTD_TO_PAGE(len,page,message,size,var) \ +#define PUTD_TO_PAGE(len, page, message, size, var) \ len += snprintf(page+len, PAGE_SIZE - len, message); \ for(i = 0; i < (size - 1); i++) \ { \ diff --git a/drivers/staging/hv/Kconfig b/drivers/staging/hv/Kconfig deleted file mode 100644 index 60ac479a290..00000000000 --- a/drivers/staging/hv/Kconfig +++ /dev/null @@ -1,5 +0,0 @@ -config HYPERV_STORAGE - tristate "Microsoft Hyper-V virtual storage driver" - depends on HYPERV && SCSI - help - Select this option to enable the Hyper-V virtual storage driver. diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile deleted file mode 100644 index af95a6b7e43..00000000000 --- a/drivers/staging/hv/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -obj-$(CONFIG_HYPERV_STORAGE) += hv_storvsc.o - -hv_storvsc-y := storvsc_drv.o diff --git a/drivers/staging/hv/TODO b/drivers/staging/hv/TODO deleted file mode 100644 index dea7d92dfdc..00000000000 --- a/drivers/staging/hv/TODO +++ /dev/null @@ -1,5 +0,0 @@ -TODO: - - audit the scsi driver - -Please send patches for this code to Greg Kroah-Hartman <gregkh@suse.de>, -Haiyang Zhang <haiyangz@microsoft.com>, and K. Y. Srinivasan <kys@microsoft.com> diff --git a/drivers/staging/iio/Documentation/device.txt b/drivers/staging/iio/Documentation/device.txt index 1abb80cb884..8926f2448cc 100644 --- a/drivers/staging/iio/Documentation/device.txt +++ b/drivers/staging/iio/Documentation/device.txt @@ -62,7 +62,7 @@ Then fill in the following: An optional associated buffer. - indio_dev->pollfunc: Poll function related elements. This controls what occurs when a trigger - to which this device is attached sends and event. + to which this device is attached sends an event. - indio_dev->channels: Specification of device channels. Most attributes etc are built form this spec. diff --git a/drivers/staging/iio/Documentation/iio_event_monitor.c b/drivers/staging/iio/Documentation/iio_event_monitor.c new file mode 100644 index 00000000000..0d21a277305 --- /dev/null +++ b/drivers/staging/iio/Documentation/iio_event_monitor.c @@ -0,0 +1,241 @@ +/* Industrialio event test code. + * + * Copyright (c) 2011-2012 Lars-Peter Clausen <lars@metafoo.de> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is primarily intended as an example application. + * Reads the current buffer setup from sysfs and starts a short capture + * from the specified device, pretty printing the result after appropriate + * conversion. + * + * Usage: + * iio_event_monitor <device_name> + * + */ + +#define _GNU_SOURCE + +#include <unistd.h> +#include <stdbool.h> +#include <stdio.h> +#include <errno.h> +#include <string.h> +#include <poll.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include "iio_utils.h" +#include "../events.h" + +static const char * const iio_chan_type_name_spec[] = { + [IIO_VOLTAGE] = "voltage", + [IIO_CURRENT] = "current", + [IIO_POWER] = "power", + [IIO_ACCEL] = "accel", + [IIO_ANGL_VEL] = "anglvel", + [IIO_MAGN] = "magn", + [IIO_LIGHT] = "illuminance", + [IIO_INTENSITY] = "intensity", + [IIO_PROXIMITY] = "proximity", + [IIO_TEMP] = "temp", + [IIO_INCLI] = "incli", + [IIO_ROT] = "rot", + [IIO_ANGL] = "angl", + [IIO_TIMESTAMP] = "timestamp", + [IIO_CAPACITANCE] = "capacitance", +}; + +static const char * const iio_ev_type_text[] = { + [IIO_EV_TYPE_THRESH] = "thresh", + [IIO_EV_TYPE_MAG] = "mag", + [IIO_EV_TYPE_ROC] = "roc", + [IIO_EV_TYPE_THRESH_ADAPTIVE] = "thresh_adaptive", + [IIO_EV_TYPE_MAG_ADAPTIVE] = "mag_adaptive", +}; + +static const char * const iio_ev_dir_text[] = { + [IIO_EV_DIR_EITHER] = "either", + [IIO_EV_DIR_RISING] = "rising", + [IIO_EV_DIR_FALLING] = "falling" +}; + +static const char * const iio_modifier_names[] = { + [IIO_MOD_X] = "x", + [IIO_MOD_Y] = "y", + [IIO_MOD_Z] = "z", + [IIO_MOD_LIGHT_BOTH] = "both", + [IIO_MOD_LIGHT_IR] = "ir", +}; + +static bool event_is_known(struct iio_event_data *event) +{ + enum iio_chan_type type = IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event->id); + enum iio_modifier mod = IIO_EVENT_CODE_EXTRACT_MODIFIER(event->id); + enum iio_event_type ev_type = IIO_EVENT_CODE_EXTRACT_TYPE(event->id); + enum iio_event_direction dir = IIO_EVENT_CODE_EXTRACT_DIR(event->id); + + switch (type) { + case IIO_VOLTAGE: + case IIO_CURRENT: + case IIO_POWER: + case IIO_ACCEL: + case IIO_ANGL_VEL: + case IIO_MAGN: + case IIO_LIGHT: + case IIO_INTENSITY: + case IIO_PROXIMITY: + case IIO_TEMP: + case IIO_INCLI: + case IIO_ROT: + case IIO_ANGL: + case IIO_TIMESTAMP: + case IIO_CAPACITANCE: + break; + default: + return false; + } + + switch (mod) { + case IIO_NO_MOD: + case IIO_MOD_X: + case IIO_MOD_Y: + case IIO_MOD_Z: + case IIO_MOD_LIGHT_BOTH: + case IIO_MOD_LIGHT_IR: + break; + default: + return false; + } + + switch (ev_type) { + case IIO_EV_TYPE_THRESH: + case IIO_EV_TYPE_MAG: + case IIO_EV_TYPE_ROC: + case IIO_EV_TYPE_THRESH_ADAPTIVE: + case IIO_EV_TYPE_MAG_ADAPTIVE: + break; + default: + return false; + } + + switch (dir) { + case IIO_EV_DIR_EITHER: + case IIO_EV_DIR_RISING: + case IIO_EV_DIR_FALLING: + break; + default: + return false; + } + + return true; +} + +static void print_event(struct iio_event_data *event) +{ + enum iio_chan_type type = IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event->id); + enum iio_modifier mod = IIO_EVENT_CODE_EXTRACT_MODIFIER(event->id); + enum iio_event_type ev_type = IIO_EVENT_CODE_EXTRACT_TYPE(event->id); + enum iio_event_direction dir = IIO_EVENT_CODE_EXTRACT_DIR(event->id); + int chan = IIO_EVENT_CODE_EXTRACT_CHAN(event->id); + int chan2 = IIO_EVENT_CODE_EXTRACT_CHAN2(event->id); + bool diff = IIO_EVENT_CODE_EXTRACT_DIFF(event->id); + + if (!event_is_known(event)) { + printf("Unknown event: time: %lld, id: %llx\n", + event->timestamp, event->id); + return; + } + + printf("Event: time: %lld, ", event->timestamp); + + if (mod != IIO_NO_MOD) { + printf("type: %s(%s), ", + iio_chan_type_name_spec[type], + iio_modifier_names[mod]); + } else { + printf("type: %s, ", + iio_chan_type_name_spec[type]); + } + + if (diff && chan >= 0 && chan2 >= 0) + printf("channel: %d-%d, ", chan, chan2); + else if (chan >= 0) + printf("channel: %d, ", chan); + + printf("evtype: %s, direction: %s\n", + iio_ev_type_text[ev_type], + iio_ev_dir_text[dir]); +} + +int main(int argc, char **argv) +{ + struct iio_event_data event; + const char *device_name; + char *chrdev_name; + int ret; + int dev_num; + int fd, event_fd; + + if (argc <= 1) { + printf("Usage: %s <device_name>\n", argv[0]); + return -1; + } + + device_name = argv[1]; + + dev_num = find_type_by_name(device_name, "iio:device"); + if (dev_num >= 0) { + printf("Found IIO device with name %s with device number %d\n", + device_name, dev_num); + ret = asprintf(&chrdev_name, "/dev/iio:device%d", dev_num); + if (ret < 0) { + ret = -ENOMEM; + goto error_ret; + } + } else { + /* If we can't find a IIO device by name assume device_name is a + IIO chrdev */ + chrdev_name = strdup(device_name); + } + + fd = open(chrdev_name, 0); + if (fd == -1) { + fprintf(stdout, "Failed to open %s\n", chrdev_name); + ret = -errno; + goto error_free_chrdev_name; + } + + ret = ioctl(fd, IIO_GET_EVENT_FD_IOCTL, &event_fd); + + close(fd); + + if (ret == -1 || event_fd == -1) { + fprintf(stdout, "Failed to retrieve event fd\n"); + ret = -errno; + goto error_free_chrdev_name; + } + + while (true) { + ret = read(event_fd, &event, sizeof(event)); + if (ret == -1) { + if (errno == EAGAIN) { + printf("nothing available\n"); + continue; + } else { + perror("Failed to read event from device"); + ret = -errno; + break; + } + } + + print_event(&event); + } + + close(event_fd); +error_free_chrdev_name: + free(chrdev_name); +error_ret: + return ret; +} diff --git a/drivers/staging/iio/Documentation/inkernel.txt b/drivers/staging/iio/Documentation/inkernel.txt new file mode 100644 index 00000000000..a05823e955d --- /dev/null +++ b/drivers/staging/iio/Documentation/inkernel.txt @@ -0,0 +1,58 @@ +Industrial I/O Subsystem in kernel consumers. + +The IIO subsystem can act as a layer under other elements of the kernel +providing a means of obtaining ADC type readings or of driving DAC type +signals. The functionality supported will grow as use cases arise. + +Describing the channel mapping (iio/machine.h) + +Channel associations are described using: + +struct iio_map { + const char *adc_channel_label; + const char *consumer_dev_name; + const char *consumer_channel; +}; + +adc_channel_label identifies the channel on the IIO device by being +matched against the datasheet_name field of the iio_chan_spec. + +consumer_dev_name allows identification of the consumer device. +This are then used to find the channel mapping from the consumer device (see +below). + +Finally consumer_channel is a string identifying the channel to the consumer. +(Perhaps 'battery_voltage' or similar). + +An array of these structures is then passed to the IIO driver. + +Supporting in kernel interfaces in the driver (driver.h) + +The driver must provide datasheet_name values for its channels and +must pass the iio_map structures and a pointer to its own iio_dev structure + on to the core via a call to iio_map_array_register. On removal, +iio_map_array_unregister reverses this process. + +The result of this is that the IIO core now has all the information needed +to associate a given channel with the consumer requesting it. + +Acting as an IIO consumer (consumer.h) + +The consumer first has to obtain an iio_channel structure from the core +by calling iio_channel_get(). The correct channel is identified by: + +* matching dev or dev_name against consumer_dev and consumer_dev_name +* matching consumer_channel against consumer_channel in the map + +There are then a number of functions that can be used to get information +about this channel such as it's current reading. + +e.g. +iio_st_read_channel_raw() - get a reading +iio_st_read_channel_type() - get the type of channel + +There is also provision for retrieving all of the channels associated +with a given consumer. This is useful for generic drivers such as +iio_hwmon where the number and naming of channels is not known by the +consumer driver. To do this, use iio_st_channel_get_all. + diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig index 90162aa8b2d..fe158671888 100644 --- a/drivers/staging/iio/Kconfig +++ b/drivers/staging/iio/Kconfig @@ -11,6 +11,13 @@ menuconfig IIO number of different physical interfaces (i2c, spi, etc). See drivers/staging/iio/Documentation for more information. if IIO +config IIO_ST_HWMON + tristate "Hwmon driver that uses channels specified via iio maps" + depends on HWMON + help + This is a platform driver that in combination with a suitable + map allows IIO devices to provide basic hwmon functionality + for those channels specified in the map. config IIO_BUFFER bool "Enable buffer support within IIO" @@ -79,7 +86,7 @@ config IIO_SIMPLE_DUMMY help Driver intended mainly as documentation for how to write a driver. May also be useful for testing userspace code - without hardward. + without hardware. if IIO_SIMPLE_DUMMY diff --git a/drivers/staging/iio/Makefile b/drivers/staging/iio/Makefile index 1340aead18b..5075291dda7 100644 --- a/drivers/staging/iio/Makefile +++ b/drivers/staging/iio/Makefile @@ -3,7 +3,7 @@ # obj-$(CONFIG_IIO) += industrialio.o -industrialio-y := industrialio-core.o +industrialio-y := industrialio-core.o industrialio-event.o inkern.o industrialio-$(CONFIG_IIO_BUFFER) += industrialio-buffer.o industrialio-$(CONFIG_IIO_TRIGGER) += industrialio-trigger.o @@ -17,6 +17,8 @@ iio_dummy-$(CONFIG_IIO_SIMPLE_DUMMY_BUFFER) += iio_simple_dummy_buffer.o obj-$(CONFIG_IIO_DUMMY_EVGEN) += iio_dummy_evgen.o +obj-$(CONFIG_IIO_ST_HWMON) += iio_hwmon.o + obj-y += accel/ obj-y += adc/ obj-y += addac/ diff --git a/drivers/staging/iio/accel/adis16201_ring.c b/drivers/staging/iio/accel/adis16201_ring.c index 26c610faee3..97f9e6b159d 100644 --- a/drivers/staging/iio/accel/adis16201_ring.c +++ b/drivers/staging/iio/accel/adis16201_ring.c @@ -115,9 +115,7 @@ int adis16201_configure_ring(struct iio_dev *indio_dev) return ret; } indio_dev->buffer = ring; - /* Effectively select the ring buffer implementation */ ring->scan_timestamp = true; - ring->access = &ring_sw_access_funcs; indio_dev->setup_ops = &adis16201_ring_setup_ops; indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, diff --git a/drivers/staging/iio/accel/adis16203_ring.c b/drivers/staging/iio/accel/adis16203_ring.c index 064640d15e4..6a8963db4f6 100644 --- a/drivers/staging/iio/accel/adis16203_ring.c +++ b/drivers/staging/iio/accel/adis16203_ring.c @@ -117,9 +117,7 @@ int adis16203_configure_ring(struct iio_dev *indio_dev) return ret; } indio_dev->buffer = ring; - /* Effectively select the ring buffer implementation */ ring->scan_timestamp = true; - ring->access = &ring_sw_access_funcs; indio_dev->setup_ops = &adis16203_ring_setup_ops; indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, diff --git a/drivers/staging/iio/accel/adis16204_ring.c b/drivers/staging/iio/accel/adis16204_ring.c index 4081179dfa5..5c8ab733886 100644 --- a/drivers/staging/iio/accel/adis16204_ring.c +++ b/drivers/staging/iio/accel/adis16204_ring.c @@ -112,8 +112,6 @@ int adis16204_configure_ring(struct iio_dev *indio_dev) return ret; } indio_dev->buffer = ring; - /* Effectively select the ring buffer implementation */ - ring->access = &ring_sw_access_funcs; ring->scan_timestamp = true; indio_dev->setup_ops = &adis16204_ring_setup_ops; diff --git a/drivers/staging/iio/accel/adis16209_ring.c b/drivers/staging/iio/accel/adis16209_ring.c index 2a6fd334f5f..57254b6b38b 100644 --- a/drivers/staging/iio/accel/adis16209_ring.c +++ b/drivers/staging/iio/accel/adis16209_ring.c @@ -113,8 +113,6 @@ int adis16209_configure_ring(struct iio_dev *indio_dev) return ret; } indio_dev->buffer = ring; - /* Effectively select the ring buffer implementation */ - ring->access = &ring_sw_access_funcs; ring->scan_timestamp = true; indio_dev->setup_ops = &adis16209_ring_setup_ops; diff --git a/drivers/staging/iio/accel/adis16240_ring.c b/drivers/staging/iio/accel/adis16240_ring.c index e23622d96f9..43ba84e993a 100644 --- a/drivers/staging/iio/accel/adis16240_ring.c +++ b/drivers/staging/iio/accel/adis16240_ring.c @@ -110,8 +110,6 @@ int adis16240_configure_ring(struct iio_dev *indio_dev) return ret; } indio_dev->buffer = ring; - /* Effectively select the ring buffer implementation */ - ring->access = &ring_sw_access_funcs; ring->scan_timestamp = true; indio_dev->setup_ops = &adis16240_ring_setup_ops; diff --git a/drivers/staging/iio/accel/lis3l02dq.h b/drivers/staging/iio/accel/lis3l02dq.h index 2db383fc274..ae5f225b4bb 100644 --- a/drivers/staging/iio/accel/lis3l02dq.h +++ b/drivers/staging/iio/accel/lis3l02dq.h @@ -187,12 +187,10 @@ void lis3l02dq_unconfigure_buffer(struct iio_dev *indio_dev); #ifdef CONFIG_LIS3L02DQ_BUF_RING_SW #define lis3l02dq_free_buf iio_sw_rb_free #define lis3l02dq_alloc_buf iio_sw_rb_allocate -#define lis3l02dq_access_funcs ring_sw_access_funcs #endif #ifdef CONFIG_LIS3L02DQ_BUF_KFIFO #define lis3l02dq_free_buf iio_kfifo_free #define lis3l02dq_alloc_buf iio_kfifo_allocate -#define lis3l02dq_access_funcs kfifo_access_funcs #endif irqreturn_t lis3l02dq_data_rdy_trig_poll(int irq, void *private); #define lis3l02dq_th lis3l02dq_data_rdy_trig_poll diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c index 98c5c92d345..0fc3973f32a 100644 --- a/drivers/staging/iio/accel/lis3l02dq_ring.c +++ b/drivers/staging/iio/accel/lis3l02dq_ring.c @@ -239,7 +239,7 @@ static int lis3l02dq_data_rdy_trigger_set_state(struct iio_trigger *trig, __lis3l02dq_write_data_ready_config(&indio_dev->dev, state); if (state == false) { /* - * A possible quirk with teh handler is currently worked around + * A possible quirk with the handler is currently worked around * by ensuring outstanding read events are cleared. */ ret = lis3l02dq_read_all(indio_dev, NULL); @@ -406,8 +406,6 @@ int lis3l02dq_configure_buffer(struct iio_dev *indio_dev) return -ENOMEM; indio_dev->buffer = buffer; - /* Effectively select the buffer implementation */ - indio_dev->buffer->access = &lis3l02dq_access_funcs; buffer->scan_timestamp = true; indio_dev->setup_ops = &lis3l02dq_buffer_setup_ops; diff --git a/drivers/staging/iio/accel/sca3000.h b/drivers/staging/iio/accel/sca3000.h index ad38dd955cd..131daac9001 100644 --- a/drivers/staging/iio/accel/sca3000.h +++ b/drivers/staging/iio/accel/sca3000.h @@ -136,7 +136,7 @@ #define SCA3000_INT_MASK_ACTIVE_HIGH 0x01 #define SCA3000_INT_MASK_ACTIVE_LOW 0x00 -/* Values of mulipexed registers (write to ctrl_data after select) */ +/* Values of multiplexed registers (write to ctrl_data after select) */ #define SCA3000_REG_ADDR_CTRL_DATA 0x22 /* Measurement modes available on some sca3000 series chips. Code assumes others diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig index d9decea4fa6..592eabd85f3 100644 --- a/drivers/staging/iio/adc/Kconfig +++ b/drivers/staging/iio/adc/Kconfig @@ -193,4 +193,13 @@ config MAX1363_RING_BUFFER Say yes here to include ring buffer support in the MAX1363 ADC driver. +config LPC32XX_ADC + tristate "NXP LPC32XX ADC" + depends on ARCH_LPC32XX && !TOUCHSCREEN_LPC32XX + help + Say yes here to build support for the integrated ADC inside the + LPC32XX SoC. Note that this feature uses the same hardware as the + touchscreen driver, so you can only select one of the two drivers + (lpc32xx_adc or lpc32xx_ts). Provides direct access via sysfs. + endmenu diff --git a/drivers/staging/iio/adc/Makefile b/drivers/staging/iio/adc/Makefile index ceee7f3c306..f83ab9551d8 100644 --- a/drivers/staging/iio/adc/Makefile +++ b/drivers/staging/iio/adc/Makefile @@ -37,3 +37,4 @@ obj-$(CONFIG_AD7192) += ad7192.o obj-$(CONFIG_ADT7310) += adt7310.o obj-$(CONFIG_ADT7410) += adt7410.o obj-$(CONFIG_AD7280) += ad7280a.o +obj-$(CONFIG_LPC32XX_ADC) += lpc32xx_adc.o diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index 45f4504ed92..9fd6d63d299 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -561,8 +561,6 @@ static int ad7192_register_ring_funcs_and_init(struct iio_dev *indio_dev) ret = -ENOMEM; goto error_ret; } - /* Effectively select the ring buffer implementation */ - indio_dev->buffer->access = &ring_sw_access_funcs; indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, &ad7192_trigger_handler, IRQF_ONESHOT, @@ -824,25 +822,20 @@ static struct attribute *ad7192_attributes[] = { NULL }; -static umode_t ad7192_attr_is_visible(struct kobject *kobj, - struct attribute *attr, int n) -{ - struct device *dev = container_of(kobj, struct device, kobj); - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct ad7192_state *st = iio_priv(indio_dev); - - umode_t mode = attr->mode; - - if ((st->devid != ID_AD7195) && - (attr == &iio_dev_attr_ac_excitation_en.dev_attr.attr)) - mode = 0; - - return mode; -} - static const struct attribute_group ad7192_attribute_group = { .attrs = ad7192_attributes, - .is_visible = ad7192_attr_is_visible, +}; + +static struct attribute *ad7195_attributes[] = { + &iio_dev_attr_sampling_frequency.dev_attr.attr, + &iio_dev_attr_in_v_m_v_scale_available.dev_attr.attr, + &iio_dev_attr_in_voltage_scale_available.dev_attr.attr, + &iio_dev_attr_bridge_switch_en.dev_attr.attr, + NULL +}; + +static const struct attribute_group ad7195_attribute_group = { + .attrs = ad7195_attributes, }; static int ad7192_read_raw(struct iio_dev *indio_dev, @@ -972,6 +965,15 @@ static const struct iio_info ad7192_info = { .driver_module = THIS_MODULE, }; +static const struct iio_info ad7195_info = { + .read_raw = &ad7192_read_raw, + .write_raw = &ad7192_write_raw, + .write_raw_get_fmt = &ad7192_write_raw_get_fmt, + .attrs = &ad7195_attribute_group, + .validate_trigger = ad7192_validate_trigger, + .driver_module = THIS_MODULE, +}; + #define AD7192_CHAN_DIFF(_chan, _chan2, _name, _address, _si) \ { .type = IIO_VOLTAGE, \ .differential = 1, \ @@ -1064,7 +1066,10 @@ static int __devinit ad7192_probe(struct spi_device *spi) indio_dev->channels = ad7192_channels; indio_dev->num_channels = ARRAY_SIZE(ad7192_channels); indio_dev->available_scan_masks = st->available_scan_masks; - indio_dev->info = &ad7192_info; + if (st->devid == ID_AD7195) + indio_dev->info = &ad7195_info; + else + indio_dev->info = &ad7192_info; for (i = 0; i < indio_dev->num_channels; i++) st->available_scan_masks[i] = (1 << i) | (1 << diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c index 0a13616e3db..81d6b6128cb 100644 --- a/drivers/staging/iio/adc/ad7291.c +++ b/drivers/staging/iio/adc/ad7291.c @@ -321,7 +321,7 @@ static int ad7291_read_event_value(struct iio_dev *indio_dev, switch (IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event_code)) { case IIO_VOLTAGE: - reg = ad7291_limit_regs[IIO_EVENT_CODE_EXTRACT_NUM(event_code)] + reg = ad7291_limit_regs[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)] [!(IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_RISING)]; @@ -359,7 +359,7 @@ static int ad7291_write_event_value(struct iio_dev *indio_dev, case IIO_VOLTAGE: if (val > AD7291_VALUE_MASK || val < 0) return -EINVAL; - reg = ad7291_limit_regs[IIO_EVENT_CODE_EXTRACT_NUM(event_code)] + reg = ad7291_limit_regs[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)] [!(IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_RISING)]; return ad7291_i2c_write(chip, reg, val); @@ -386,7 +386,7 @@ static int ad7291_read_event_config(struct iio_dev *indio_dev, switch (IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event_code)) { case IIO_VOLTAGE: if (chip->c_mask & - (1 << (15 - IIO_EVENT_CODE_EXTRACT_NUM(event_code)))) + (1 << (15 - IIO_EVENT_CODE_EXTRACT_CHAN(event_code)))) return 1; else return 0; @@ -418,12 +418,12 @@ static int ad7291_write_event_config(struct iio_dev *indio_dev, switch (IIO_EVENT_CODE_EXTRACT_TYPE(event_code)) { case IIO_VOLTAGE: if ((!state) && (chip->c_mask & (1 << (15 - - IIO_EVENT_CODE_EXTRACT_NUM(event_code))))) - chip->c_mask &= ~(1 << (15 - IIO_EVENT_CODE_EXTRACT_NUM + IIO_EVENT_CODE_EXTRACT_CHAN(event_code))))) + chip->c_mask &= ~(1 << (15 - IIO_EVENT_CODE_EXTRACT_CHAN (event_code))); else if (state && (!(chip->c_mask & (1 << (15 - - IIO_EVENT_CODE_EXTRACT_NUM(event_code)))))) - chip->c_mask |= (1 << (15 - IIO_EVENT_CODE_EXTRACT_NUM + IIO_EVENT_CODE_EXTRACT_CHAN(event_code)))))) + chip->c_mask |= (1 << (15 - IIO_EVENT_CODE_EXTRACT_CHAN (event_code))); else break; diff --git a/drivers/staging/iio/adc/ad7298_ring.c b/drivers/staging/iio/adc/ad7298_ring.c index d1a12dd015e..feeb0eeba59 100644 --- a/drivers/staging/iio/adc/ad7298_ring.c +++ b/drivers/staging/iio/adc/ad7298_ring.c @@ -131,9 +131,6 @@ int ad7298_register_ring_funcs_and_init(struct iio_dev *indio_dev) ret = -ENOMEM; goto error_ret; } - /* Effectively select the ring buffer implementation */ - indio_dev->buffer->access = &ring_sw_access_funcs; - indio_dev->pollfunc = iio_alloc_pollfunc(NULL, &ad7298_trigger_handler, IRQF_ONESHOT, diff --git a/drivers/staging/iio/adc/ad7476_ring.c b/drivers/staging/iio/adc/ad7476_ring.c index 4e298b2a05b..d6af6c05ce1 100644 --- a/drivers/staging/iio/adc/ad7476_ring.c +++ b/drivers/staging/iio/adc/ad7476_ring.c @@ -23,7 +23,7 @@ /** * ad7476_ring_preenable() setup the parameters of the ring before enabling * - * The complex nature of the setting of the nuber of bytes per datum is due + * The complex nature of the setting of the number of bytes per datum is due * to this driver currently ensuring that the timestamp is stored at an 8 * byte boundary. **/ @@ -98,8 +98,6 @@ int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev) ret = -ENOMEM; goto error_ret; } - /* Effectively select the ring buffer implementation */ - indio_dev->buffer->access = &ring_sw_access_funcs; indio_dev->pollfunc = iio_alloc_pollfunc(NULL, &ad7476_trigger_handler, diff --git a/drivers/staging/iio/adc/ad7606_core.c b/drivers/staging/iio/adc/ad7606_core.c index ddb7ef92f5c..97e8d3d4471 100644 --- a/drivers/staging/iio/adc/ad7606_core.c +++ b/drivers/staging/iio/adc/ad7606_core.c @@ -197,7 +197,7 @@ static IIO_DEVICE_ATTR(oversampling_ratio, S_IRUGO | S_IWUSR, ad7606_store_oversampling_ratio, 0); static IIO_CONST_ATTR(oversampling_ratio_available, "0 2 4 8 16 32 64"); -static struct attribute *ad7606_attributes[] = { +static struct attribute *ad7606_attributes_os_and_range[] = { &iio_dev_attr_in_voltage_range.dev_attr.attr, &iio_const_attr_in_voltage_range_available.dev_attr.attr, &iio_dev_attr_oversampling_ratio.dev_attr.attr, @@ -205,34 +205,28 @@ static struct attribute *ad7606_attributes[] = { NULL, }; -static umode_t ad7606_attr_is_visible(struct kobject *kobj, - struct attribute *attr, int n) -{ - struct device *dev = container_of(kobj, struct device, kobj); - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct ad7606_state *st = iio_priv(indio_dev); +static const struct attribute_group ad7606_attribute_group_os_and_range = { + .attrs = ad7606_attributes_os_and_range, +}; - umode_t mode = attr->mode; - - if (!(gpio_is_valid(st->pdata->gpio_os0) && - gpio_is_valid(st->pdata->gpio_os1) && - gpio_is_valid(st->pdata->gpio_os2)) && - (attr == &iio_dev_attr_oversampling_ratio.dev_attr.attr || - attr == - &iio_const_attr_oversampling_ratio_available.dev_attr.attr)) - mode = 0; - else if (!gpio_is_valid(st->pdata->gpio_range) && - (attr == &iio_dev_attr_in_voltage_range.dev_attr.attr || - attr == - &iio_const_attr_in_voltage_range_available.dev_attr.attr)) - mode = 0; - - return mode; -} +static struct attribute *ad7606_attributes_os[] = { + &iio_dev_attr_oversampling_ratio.dev_attr.attr, + &iio_const_attr_oversampling_ratio_available.dev_attr.attr, + NULL, +}; -static const struct attribute_group ad7606_attribute_group = { - .attrs = ad7606_attributes, - .is_visible = ad7606_attr_is_visible, +static const struct attribute_group ad7606_attribute_group_os = { + .attrs = ad7606_attributes_os, +}; + +static struct attribute *ad7606_attributes_range[] = { + &iio_dev_attr_in_voltage_range.dev_attr.attr, + &iio_const_attr_in_voltage_range_available.dev_attr.attr, + NULL, +}; + +static const struct attribute_group ad7606_attribute_group_range = { + .attrs = ad7606_attributes_range, }; #define AD7606_CHANNEL(num) \ @@ -435,10 +429,27 @@ static irqreturn_t ad7606_interrupt(int irq, void *dev_id) return IRQ_HANDLED; }; -static const struct iio_info ad7606_info = { +static const struct iio_info ad7606_info_no_os_or_range = { .driver_module = THIS_MODULE, .read_raw = &ad7606_read_raw, - .attrs = &ad7606_attribute_group, +}; + +static const struct iio_info ad7606_info_os_and_range = { + .driver_module = THIS_MODULE, + .read_raw = &ad7606_read_raw, + .attrs = &ad7606_attribute_group_os_and_range, +}; + +static const struct iio_info ad7606_info_os = { + .driver_module = THIS_MODULE, + .read_raw = &ad7606_read_raw, + .attrs = &ad7606_attribute_group_os, +}; + +static const struct iio_info ad7606_info_range = { + .driver_module = THIS_MODULE, + .read_raw = &ad7606_read_raw, + .attrs = &ad7606_attribute_group_range, }; struct iio_dev *ad7606_probe(struct device *dev, int irq, @@ -483,7 +494,19 @@ struct iio_dev *ad7606_probe(struct device *dev, int irq, st->chip_info = &ad7606_chip_info_tbl[id]; indio_dev->dev.parent = dev; - indio_dev->info = &ad7606_info; + if (gpio_is_valid(st->pdata->gpio_os0) && + gpio_is_valid(st->pdata->gpio_os1) && + gpio_is_valid(st->pdata->gpio_os2)) { + if (gpio_is_valid(st->pdata->gpio_range)) + indio_dev->info = &ad7606_info_os_and_range; + else + indio_dev->info = &ad7606_info_os; + } else { + if (gpio_is_valid(st->pdata->gpio_range)) + indio_dev->info = &ad7606_info_range; + else + indio_dev->info = &ad7606_info_no_os_or_range; + } indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->name = st->chip_info->name; indio_dev->channels = st->chip_info->channels; diff --git a/drivers/staging/iio/adc/ad7606_par.c b/drivers/staging/iio/adc/ad7606_par.c index cff97568189..bb152a8e8c9 100644 --- a/drivers/staging/iio/adc/ad7606_par.c +++ b/drivers/staging/iio/adc/ad7606_par.c @@ -173,18 +173,7 @@ static struct platform_driver ad7606_driver = { }, }; -static int __init ad7606_init(void) -{ - return platform_driver_register(&ad7606_driver); -} - -static void __exit ad7606_cleanup(void) -{ - platform_driver_unregister(&ad7606_driver); -} - -module_init(ad7606_init); -module_exit(ad7606_cleanup); +module_platform_driver(ad7606_driver); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); MODULE_DESCRIPTION("Analog Devices AD7606 ADC"); diff --git a/drivers/staging/iio/adc/ad7606_ring.c b/drivers/staging/iio/adc/ad7606_ring.c index e8f94a18a94..1ef9fbcaf2d 100644 --- a/drivers/staging/iio/adc/ad7606_ring.c +++ b/drivers/staging/iio/adc/ad7606_ring.c @@ -110,8 +110,6 @@ int ad7606_register_ring_funcs_and_init(struct iio_dev *indio_dev) goto error_ret; } - /* Effectively select the ring buffer implementation */ - indio_dev->buffer->access = &ring_sw_access_funcs; indio_dev->pollfunc = iio_alloc_pollfunc(&ad7606_trigger_handler_th_bh, &ad7606_trigger_handler_th_bh, 0, diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c index 6a058b19c49..84ecde1ad04 100644 --- a/drivers/staging/iio/adc/ad7793.c +++ b/drivers/staging/iio/adc/ad7793.c @@ -427,8 +427,6 @@ static int ad7793_register_ring_funcs_and_init(struct iio_dev *indio_dev) ret = -ENOMEM; goto error_ret; } - /* Effectively select the ring buffer implementation */ - indio_dev->buffer->access = &ring_sw_access_funcs; indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, &ad7793_trigger_handler, IRQF_ONESHOT, diff --git a/drivers/staging/iio/adc/ad7887_ring.c b/drivers/staging/iio/adc/ad7887_ring.c index 85076cd962e..d1809079b63 100644 --- a/drivers/staging/iio/adc/ad7887_ring.c +++ b/drivers/staging/iio/adc/ad7887_ring.c @@ -131,8 +131,6 @@ int ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev) ret = -ENOMEM; goto error_ret; } - /* Effectively select the ring buffer implementation */ - indio_dev->buffer->access = &ring_sw_access_funcs; indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, &ad7887_trigger_handler, IRQF_ONESHOT, diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c index d5b581d8bc2..a8458669350 100644 --- a/drivers/staging/iio/adc/ad799x_core.c +++ b/drivers/staging/iio/adc/ad799x_core.c @@ -256,7 +256,7 @@ static int ad799x_write_event_value(struct iio_dev *indio_dev, struct ad799x_state *st = iio_priv(indio_dev); int direction = !!(IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING); - int number = IIO_EVENT_CODE_EXTRACT_NUM(event_code); + int number = IIO_EVENT_CODE_EXTRACT_CHAN(event_code); mutex_lock(&indio_dev->mlock); ret = ad799x_i2c_write16(st, @@ -275,7 +275,7 @@ static int ad799x_read_event_value(struct iio_dev *indio_dev, struct ad799x_state *st = iio_priv(indio_dev); int direction = !!(IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING); - int number = IIO_EVENT_CODE_EXTRACT_NUM(event_code); + int number = IIO_EVENT_CODE_EXTRACT_CHAN(event_code); u16 valin; mutex_lock(&indio_dev->mlock); diff --git a/drivers/staging/iio/adc/ad799x_ring.c b/drivers/staging/iio/adc/ad799x_ring.c index 5dded9e7820..069765cab27 100644 --- a/drivers/staging/iio/adc/ad799x_ring.c +++ b/drivers/staging/iio/adc/ad799x_ring.c @@ -26,7 +26,7 @@ /** * ad799x_ring_preenable() setup the parameters of the ring before enabling * - * The complex nature of the setting of the nuber of bytes per datum is due + * The complex nature of the setting of the number of bytes per datum is due * to this driver currently ensuring that the timestamp is stored at an 8 * byte boundary. **/ @@ -141,8 +141,6 @@ int ad799x_register_ring_funcs_and_init(struct iio_dev *indio_dev) ret = -ENOMEM; goto error_ret; } - /* Effectively select the ring buffer implementation */ - indio_dev->buffer->access = &ring_sw_access_funcs; indio_dev->pollfunc = iio_alloc_pollfunc(NULL, &ad799x_trigger_handler, IRQF_ONESHOT, diff --git a/drivers/staging/iio/adc/adt7310.c b/drivers/staging/iio/adc/adt7310.c index eec2f325d54..caf57c1169b 100644 --- a/drivers/staging/iio/adc/adt7310.c +++ b/drivers/staging/iio/adc/adt7310.c @@ -725,32 +725,19 @@ static struct attribute *adt7310_event_int_attributes[] = { &iio_dev_attr_fault_queue.dev_attr.attr, &iio_dev_attr_t_alarm_high.dev_attr.attr, &iio_dev_attr_t_alarm_low.dev_attr.attr, - &iio_dev_attr_t_hyst.dev_attr.attr, - NULL, -}; - -static struct attribute *adt7310_event_ct_attributes[] = { - &iio_dev_attr_event_mode.dev_attr.attr, - &iio_dev_attr_available_event_modes.dev_attr.attr, - &iio_dev_attr_fault_queue.dev_attr.attr, &iio_dev_attr_t_crit.dev_attr.attr, &iio_dev_attr_t_hyst.dev_attr.attr, NULL, }; -static struct attribute_group adt7310_event_attribute_group[ADT7310_IRQS] = { - { - .attrs = adt7310_event_int_attributes, - .name = "events", - }, { - .attrs = adt7310_event_ct_attributes, - .name = "events", - } +static struct attribute_group adt7310_event_attribute_group = { + .attrs = adt7310_event_int_attributes, + .name = "events", }; static const struct iio_info adt7310_info = { .attrs = &adt7310_attribute_group, - .event_attrs = adt7310_event_attribute_group, + .event_attrs = &adt7310_event_attribute_group, .driver_module = THIS_MODULE, }; diff --git a/drivers/staging/iio/adc/adt7410.c b/drivers/staging/iio/adc/adt7410.c index c62248ceb37..dff3e8ca2d7 100644 --- a/drivers/staging/iio/adc/adt7410.c +++ b/drivers/staging/iio/adc/adt7410.c @@ -693,32 +693,19 @@ static struct attribute *adt7410_event_int_attributes[] = { &iio_dev_attr_fault_queue.dev_attr.attr, &iio_dev_attr_t_alarm_high.dev_attr.attr, &iio_dev_attr_t_alarm_low.dev_attr.attr, - &iio_dev_attr_t_hyst.dev_attr.attr, - NULL, -}; - -static struct attribute *adt7410_event_ct_attributes[] = { - &iio_dev_attr_event_mode.dev_attr.attr, - &iio_dev_attr_available_event_modes.dev_attr.attr, - &iio_dev_attr_fault_queue.dev_attr.attr, &iio_dev_attr_t_crit.dev_attr.attr, &iio_dev_attr_t_hyst.dev_attr.attr, NULL, }; -static struct attribute_group adt7410_event_attribute_group[ADT7410_IRQS] = { - { - .attrs = adt7410_event_int_attributes, - .name = "events", - }, { - .attrs = adt7410_event_ct_attributes, - .name = "events", - } +static struct attribute_group adt7410_event_attribute_group = { + .attrs = adt7410_event_int_attributes, + .name = "events", }; static const struct iio_info adt7410_info = { .attrs = &adt7410_attribute_group, - .event_attrs = adt7410_event_attribute_group, + .event_attrs = &adt7410_event_attribute_group, .driver_module = THIS_MODULE, }; diff --git a/drivers/staging/iio/adc/lpc32xx_adc.c b/drivers/staging/iio/adc/lpc32xx_adc.c new file mode 100644 index 00000000000..dfc9033843a --- /dev/null +++ b/drivers/staging/iio/adc/lpc32xx_adc.c @@ -0,0 +1,237 @@ +/* + * lpc32xx_adc.c - Support for ADC in LPC32XX + * + * 3-channel, 10-bit ADC + * + * Copyright (C) 2011, 2012 Roland Stigge <stigge@antcom.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/completion.h> + +#include "../iio.h" +#include "../sysfs.h" + +/* + * LPC32XX registers definitions + */ +#define LPC32XX_ADC_SELECT(x) ((x) + 0x04) +#define LPC32XX_ADC_CTRL(x) ((x) + 0x08) +#define LPC32XX_ADC_VALUE(x) ((x) + 0x48) + +/* Bit definitions for LPC32XX_ADC_SELECT: */ +#define AD_REFm 0x00000200 /* constant, always write this value! */ +#define AD_REFp 0x00000080 /* constant, always write this value! */ +#define AD_IN 0x00000010 /* multiple of this is the */ + /* channel number: 0, 1, 2 */ +#define AD_INTERNAL 0x00000004 /* constant, always write this value! */ + +/* Bit definitions for LPC32XX_ADC_CTRL: */ +#define AD_STROBE 0x00000002 +#define AD_PDN_CTRL 0x00000004 + +/* Bit definitions for LPC32XX_ADC_VALUE: */ +#define ADC_VALUE_MASK 0x000003FF + +#define MOD_NAME "lpc32xx-adc" + +struct lpc32xx_adc_info { + void __iomem *adc_base; + struct clk *clk; + struct completion completion; + + u32 value; +}; + +static int lpc32xx_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, + int *val2, + long mask) +{ + struct lpc32xx_adc_info *info = iio_priv(indio_dev); + + if (mask == 0) { + mutex_lock(&indio_dev->mlock); + clk_enable(info->clk); + /* Measurement setup */ + __raw_writel(AD_INTERNAL | (chan->address) | AD_REFp | AD_REFm, + LPC32XX_ADC_SELECT(info->adc_base)); + /* Trigger conversion */ + __raw_writel(AD_PDN_CTRL | AD_STROBE, + LPC32XX_ADC_CTRL(info->adc_base)); + wait_for_completion(&info->completion); /* set by ISR */ + clk_disable(info->clk); + *val = info->value; + mutex_unlock(&indio_dev->mlock); + + return IIO_VAL_INT; + } + + return -EINVAL; +} + +static const struct iio_info lpc32xx_adc_iio_info = { + .read_raw = &lpc32xx_read_raw, + .driver_module = THIS_MODULE, +}; + +#define LPC32XX_ADC_CHANNEL(_index) { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .channel = _index, \ + .address = AD_IN * _index, \ + .scan_index = _index, \ +} + +static struct iio_chan_spec lpc32xx_adc_iio_channels[] = { + LPC32XX_ADC_CHANNEL(0), + LPC32XX_ADC_CHANNEL(1), + LPC32XX_ADC_CHANNEL(2), +}; + +static irqreturn_t lpc32xx_adc_isr(int irq, void *dev_id) +{ + struct lpc32xx_adc_info *info = (struct lpc32xx_adc_info *) dev_id; + + /* Read value and clear irq */ + info->value = __raw_readl(LPC32XX_ADC_VALUE(info->adc_base)) & + ADC_VALUE_MASK; + complete(&info->completion); + + return IRQ_HANDLED; +} + +static int __devinit lpc32xx_adc_probe(struct platform_device *pdev) +{ + struct lpc32xx_adc_info *info = NULL; + struct resource *res; + int retval = -ENODEV; + struct iio_dev *iodev = NULL; + int irq; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "failed to get platform I/O memory\n"); + retval = -EBUSY; + goto errout1; + } + + iodev = iio_allocate_device(sizeof(struct lpc32xx_adc_info)); + if (!iodev) { + dev_err(&pdev->dev, "failed allocating iio device\n"); + retval = -ENOMEM; + goto errout1; + } + + info = iio_priv(iodev); + + info->adc_base = ioremap(res->start, res->end - res->start + 1); + if (!info->adc_base) { + dev_err(&pdev->dev, "failed mapping memory\n"); + retval = -EBUSY; + goto errout2; + } + + info->clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(info->clk)) { + dev_err(&pdev->dev, "failed getting clock\n"); + goto errout3; + } + + irq = platform_get_irq(pdev, 0); + if ((irq < 0) || (irq >= NR_IRQS)) { + dev_err(&pdev->dev, "failed getting interrupt resource\n"); + retval = -EINVAL; + goto errout4; + } + + retval = request_irq(irq, lpc32xx_adc_isr, 0, MOD_NAME, info); + if (retval < 0) { + dev_err(&pdev->dev, "failed requesting interrupt\n"); + goto errout4; + } + + platform_set_drvdata(pdev, iodev); + + init_completion(&info->completion); + + iodev->name = MOD_NAME; + iodev->dev.parent = &pdev->dev; + iodev->info = &lpc32xx_adc_iio_info; + iodev->modes = INDIO_DIRECT_MODE; + iodev->channels = lpc32xx_adc_iio_channels; + iodev->num_channels = ARRAY_SIZE(lpc32xx_adc_iio_channels); + + retval = iio_device_register(iodev); + if (retval) + goto errout5; + + dev_info(&pdev->dev, "LPC32XX ADC driver loaded, IRQ %d\n", irq); + + return 0; + +errout5: + free_irq(irq, iodev); +errout4: + clk_put(info->clk); +errout3: + iounmap(info->adc_base); +errout2: + iio_free_device(iodev); +errout1: + return retval; +} + +static int __devexit lpc32xx_adc_remove(struct platform_device *pdev) +{ + struct iio_dev *iodev = platform_get_drvdata(pdev); + struct lpc32xx_adc_info *info = iio_priv(iodev); + int irq = platform_get_irq(pdev, 0); + + iio_device_unregister(iodev); + free_irq(irq, iodev); + platform_set_drvdata(pdev, NULL); + clk_put(info->clk); + iounmap(info->adc_base); + iio_free_device(iodev); + + return 0; +} + +static struct platform_driver lpc32xx_adc_driver = { + .probe = lpc32xx_adc_probe, + .remove = __devexit_p(lpc32xx_adc_remove), + .driver = { + .name = MOD_NAME, + .owner = THIS_MODULE, + }, +}; + +module_platform_driver(lpc32xx_adc_driver); + +MODULE_AUTHOR("Roland Stigge <stigge@antcom.de>"); +MODULE_DESCRIPTION("LPC32XX ADC driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c index b92cb4af18c..cf3e2ca7e31 100644 --- a/drivers/staging/iio/adc/max1363_core.c +++ b/drivers/staging/iio/adc/max1363_core.c @@ -341,7 +341,7 @@ static struct iio_chan_spec max1361_channels[] = static struct iio_chan_spec max1363_channels[] = MAX1363_4X_CHANS(12, MAX1363_EV_M); -/* Appies to max1236, max1237 */ +/* Applies to max1236, max1237 */ static const enum max1363_modes max1236_mode_list[] = { _s0, _s1, _s2, _s3, s0to1, s0to2, s0to3, @@ -543,9 +543,9 @@ static int max1363_read_thresh(struct iio_dev *indio_dev, { struct max1363_state *st = iio_priv(indio_dev); if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING) - *val = st->thresh_low[IIO_EVENT_CODE_EXTRACT_NUM(event_code)]; + *val = st->thresh_low[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)]; else - *val = st->thresh_high[IIO_EVENT_CODE_EXTRACT_NUM(event_code)]; + *val = st->thresh_high[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)]; return 0; } @@ -568,10 +568,10 @@ static int max1363_write_thresh(struct iio_dev *indio_dev, switch (IIO_EVENT_CODE_EXTRACT_DIR(event_code)) { case IIO_EV_DIR_FALLING: - st->thresh_low[IIO_EVENT_CODE_EXTRACT_NUM(event_code)] = val; + st->thresh_low[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)] = val; break; case IIO_EV_DIR_RISING: - st->thresh_high[IIO_EVENT_CODE_EXTRACT_NUM(event_code)] = val; + st->thresh_high[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)] = val; break; } @@ -622,7 +622,7 @@ static int max1363_read_event_config(struct iio_dev *indio_dev, struct max1363_state *st = iio_priv(indio_dev); int val; - int number = IIO_EVENT_CODE_EXTRACT_NUM(event_code); + int number = IIO_EVENT_CODE_EXTRACT_CHAN(event_code); mutex_lock(&indio_dev->mlock); if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING) val = (1 << number) & st->mask_low; @@ -775,7 +775,7 @@ static int max1363_write_event_config(struct iio_dev *indio_dev, int ret = 0; struct max1363_state *st = iio_priv(indio_dev); u16 unifiedmask; - int number = IIO_EVENT_CODE_EXTRACT_NUM(event_code); + int number = IIO_EVENT_CODE_EXTRACT_CHAN(event_code); mutex_lock(&indio_dev->mlock); unifiedmask = st->mask_low | st->mask_high; @@ -1245,10 +1245,31 @@ static int max1363_initial_setup(struct max1363_state *st) return max1363_set_scan_mode(st); } +static int __devinit max1363_alloc_scan_masks(struct iio_dev *indio_dev) +{ + struct max1363_state *st = iio_priv(indio_dev); + unsigned long *masks; + int i; + + masks = kzalloc(BITS_TO_LONGS(MAX1363_MAX_CHANNELS)*sizeof(long)* + (st->chip_info->num_modes + 1), GFP_KERNEL); + if (!masks) + return -ENOMEM; + + for (i = 0; i < st->chip_info->num_modes; i++) + bitmap_copy(masks + BITS_TO_LONGS(MAX1363_MAX_CHANNELS)*i, + max1363_mode_table[st->chip_info->mode_list[i]] + .modemask, MAX1363_MAX_CHANNELS); + + indio_dev->available_scan_masks = masks; + + return 0; +} + static int __devinit max1363_probe(struct i2c_client *client, const struct i2c_device_id *id) { - int ret, i; + int ret; struct max1363_state *st; struct iio_dev *indio_dev; struct regulator *reg; @@ -1276,19 +1297,10 @@ static int __devinit max1363_probe(struct i2c_client *client, st->chip_info = &max1363_chip_info_tbl[id->driver_data]; st->client = client; - indio_dev->available_scan_masks - = kzalloc(BITS_TO_LONGS(MAX1363_MAX_CHANNELS)*sizeof(long)* - (st->chip_info->num_modes + 1), GFP_KERNEL); - if (!indio_dev->available_scan_masks) { - ret = -ENOMEM; + ret = max1363_alloc_scan_masks(indio_dev); + if (ret) goto error_free_device; - } - for (i = 0; i < st->chip_info->num_modes; i++) - bitmap_copy(indio_dev->available_scan_masks + - BITS_TO_LONGS(MAX1363_MAX_CHANNELS)*i, - max1363_mode_table[st->chip_info->mode_list[i]] - .modemask, MAX1363_MAX_CHANNELS); /* Estabilish that the iio_dev is a child of the i2c device */ indio_dev->dev.parent = &client->dev; indio_dev->name = id->name; diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c index f730b3fb971..d0a60a38293 100644 --- a/drivers/staging/iio/adc/max1363_ring.c +++ b/drivers/staging/iio/adc/max1363_ring.c @@ -116,8 +116,6 @@ int max1363_register_ring_funcs_and_init(struct iio_dev *indio_dev) ret = -ENOMEM; goto error_deallocate_sw_rb; } - /* Effectively select the ring buffer implementation */ - indio_dev->buffer->access = &ring_sw_access_funcs; /* Ring buffer functions - here trigger setup related */ indio_dev->setup_ops = &max1363_ring_setup_ops; diff --git a/drivers/staging/iio/addac/adt7316-i2c.c b/drivers/staging/iio/addac/adt7316-i2c.c index 2c03a39220e..9e128dd7d45 100644 --- a/drivers/staging/iio/addac/adt7316-i2c.c +++ b/drivers/staging/iio/addac/adt7316-i2c.c @@ -125,30 +125,14 @@ static const struct i2c_device_id adt7316_i2c_id[] = { MODULE_DEVICE_TABLE(i2c, adt7316_i2c_id); -#ifdef CONFIG_PM -static int adt7316_i2c_suspend(struct i2c_client *client, pm_message_t message) -{ - return adt7316_disable(&client->dev); -} - -static int adt7316_i2c_resume(struct i2c_client *client) -{ - return adt7316_enable(&client->dev); -} -#else -# define adt7316_i2c_suspend NULL -# define adt7316_i2c_resume NULL -#endif - static struct i2c_driver adt7316_driver = { .driver = { .name = "adt7316", + .pm = ADT7316_PM_OPS, .owner = THIS_MODULE, }, .probe = adt7316_i2c_probe, .remove = __devexit_p(adt7316_i2c_remove), - .suspend = adt7316_i2c_suspend, - .resume = adt7316_i2c_resume, .id_table = adt7316_i2c_id, }; module_i2c_driver(adt7316_driver); diff --git a/drivers/staging/iio/addac/adt7316-spi.c b/drivers/staging/iio/addac/adt7316-spi.c index 1ea3cd06299..985f7d8a6eb 100644 --- a/drivers/staging/iio/addac/adt7316-spi.c +++ b/drivers/staging/iio/addac/adt7316-spi.c @@ -133,30 +133,14 @@ static const struct spi_device_id adt7316_spi_id[] = { MODULE_DEVICE_TABLE(spi, adt7316_spi_id); -#ifdef CONFIG_PM -static int adt7316_spi_suspend(struct spi_device *spi_dev, pm_message_t message) -{ - return adt7316_disable(&spi_dev->dev); -} - -static int adt7316_spi_resume(struct spi_device *spi_dev) -{ - return adt7316_enable(&spi_dev->dev); -} -#else -# define adt7316_spi_suspend NULL -# define adt7316_spi_resume NULL -#endif - static struct spi_driver adt7316_driver = { .driver = { .name = "adt7316", + .pm = ADT7316_PM_OPS, .owner = THIS_MODULE, }, .probe = adt7316_spi_probe, .remove = __devexit_p(adt7316_spi_remove), - .suspend = adt7316_spi_suspend, - .resume = adt7316_spi_resume, .id_table = adt7316_spi_id, }; module_spi_driver(adt7316_driver); diff --git a/drivers/staging/iio/addac/adt7316.c b/drivers/staging/iio/addac/adt7316.c index 13c39292d3f..fd6a4544405 100644 --- a/drivers/staging/iio/addac/adt7316.c +++ b/drivers/staging/iio/addac/adt7316.c @@ -2089,24 +2089,25 @@ static struct attribute_group adt7516_event_attribute_group = { .name = "events", }; -#ifdef CONFIG_PM -int adt7316_disable(struct device *dev) +#ifdef CONFIG_PM_SLEEP +static int adt7316_disable(struct device *dev) { struct iio_dev *dev_info = dev_get_drvdata(dev); struct adt7316_chip_info *chip = iio_priv(dev_info); return _adt7316_store_enabled(chip, 0); } -EXPORT_SYMBOL(adt7316_disable); -int adt7316_enable(struct device *dev) +static int adt7316_enable(struct device *dev) { struct iio_dev *dev_info = dev_get_drvdata(dev); struct adt7316_chip_info *chip = iio_priv(dev_info); return _adt7316_store_enabled(chip, 1); } -EXPORT_SYMBOL(adt7316_enable); + +SIMPLE_DEV_PM_OPS(adt7316_pm_ops, adt7316_disable, adt7316_enable); +EXPORT_SYMBOL_GPL(adt7316_pm_ops); #endif static const struct iio_info adt7316_info = { diff --git a/drivers/staging/iio/addac/adt7316.h b/drivers/staging/iio/addac/adt7316.h index d34bd679bb4..4d3efff46ae 100644 --- a/drivers/staging/iio/addac/adt7316.h +++ b/drivers/staging/iio/addac/adt7316.h @@ -10,6 +10,7 @@ #define _ADT7316_H_ #include <linux/types.h> +#include <linux/pm.h> #define ADT7316_REG_MAX_ADDR 0x3F @@ -23,9 +24,11 @@ struct adt7316_bus { int (*multi_write) (void *client, u8 first_reg, u8 count, u8 *data); }; -#ifdef CONFIG_PM -int adt7316_disable(struct device *dev); -int adt7316_enable(struct device *dev); +#ifdef CONFIG_PM_SLEEP +extern const struct dev_pm_ops adt7316_pm_ops; +#define ADT7316_PM_OPS (&adt7316_pm_ops) +#else +#define ADT7316_PM_OPS NULL #endif int adt7316_probe(struct device *dev, struct adt7316_bus *bus, const char *name); int adt7316_remove(struct device *dev); diff --git a/drivers/staging/iio/buffer.h b/drivers/staging/iio/buffer.h index 6fb6e64181a..df2046dcb62 100644 --- a/drivers/staging/iio/buffer.h +++ b/drivers/staging/iio/buffer.h @@ -91,8 +91,6 @@ struct iio_buffer { **/ void iio_buffer_init(struct iio_buffer *buffer); -void iio_buffer_deinit(struct iio_buffer *buffer); - /** * __iio_update_buffer() - update common elements of buffers * @buffer: buffer that is the event source diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c index b73007dcf4b..e4a08dc9b6f 100644 --- a/drivers/staging/iio/cdc/ad7150.c +++ b/drivers/staging/iio/cdc/ad7150.c @@ -167,7 +167,7 @@ static int ad7150_write_event_params(struct iio_dev *indio_dev, u64 event_code) u16 value; u8 sens, timeout; struct ad7150_chip_info *chip = iio_priv(indio_dev); - int chan = IIO_EVENT_CODE_EXTRACT_NUM(event_code); + int chan = IIO_EVENT_CODE_EXTRACT_CHAN(event_code); int rising = !!(IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_RISING); @@ -279,7 +279,7 @@ static int ad7150_read_event_value(struct iio_dev *indio_dev, u64 event_code, int *val) { - int chan = IIO_EVENT_CODE_EXTRACT_NUM(event_code); + int chan = IIO_EVENT_CODE_EXTRACT_CHAN(event_code); struct ad7150_chip_info *chip = iio_priv(indio_dev); int rising = !!(IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_RISING); @@ -309,7 +309,7 @@ static int ad7150_write_event_value(struct iio_dev *indio_dev, { int ret; struct ad7150_chip_info *chip = iio_priv(indio_dev); - int chan = IIO_EVENT_CODE_EXTRACT_NUM(event_code); + int chan = IIO_EVENT_CODE_EXTRACT_CHAN(event_code); int rising = !!(IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_RISING); @@ -347,7 +347,7 @@ static ssize_t ad7150_show_timeout(struct device *dev, u8 value; /* use the event code for consistency reasons */ - int chan = IIO_EVENT_CODE_EXTRACT_NUM(this_attr->address); + int chan = IIO_EVENT_CODE_EXTRACT_CHAN(this_attr->address); int rising = !!(IIO_EVENT_CODE_EXTRACT_DIR(this_attr->address) == IIO_EV_DIR_RISING); @@ -373,7 +373,7 @@ static ssize_t ad7150_store_timeout(struct device *dev, struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad7150_chip_info *chip = iio_priv(indio_dev); struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int chan = IIO_EVENT_CODE_EXTRACT_NUM(this_attr->address); + int chan = IIO_EVENT_CODE_EXTRACT_CHAN(this_attr->address); int rising = !!(IIO_EVENT_CODE_EXTRACT_DIR(this_attr->address) == IIO_EV_DIR_RISING); u8 data; diff --git a/drivers/staging/iio/consumer.h b/drivers/staging/iio/consumer.h new file mode 100644 index 00000000000..36a060cd3a2 --- /dev/null +++ b/drivers/staging/iio/consumer.h @@ -0,0 +1,96 @@ +/* + * Industrial I/O in kernel consumer interface + * + * Copyright (c) 2011 Jonathan Cameron + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ +#ifndef _IIO_INKERN_CONSUMER_H_ +#define _IIO_INKERN_CONSUMER_H +#include "types.h" + +struct iio_dev; +struct iio_chan_spec; + +/** + * struct iio_channel - everything needed for a consumer to use a channel + * @indio_dev: Device on which the channel exists. + * @channel: Full description of the channel. + */ +struct iio_channel { + struct iio_dev *indio_dev; + const struct iio_chan_spec *channel; +}; + +/** + * iio_channel_get() - get description of all that is needed to access channel. + * @name: Unique name of the device as provided in the iio_map + * with which the desired provider to consumer mapping + * was registered. + * @consumer_channel: Unique name to identify the channel on the consumer + * side. This typically describes the channels use within + * the consumer. E.g. 'battery_voltage' + */ +struct iio_channel *iio_st_channel_get(const char *name, + const char *consumer_channel); + +/** + * iio_st_channel_release() - release channels obtained via iio_st_channel_get + * @chan: The channel to be released. + */ +void iio_st_channel_release(struct iio_channel *chan); + +/** + * iio_st_channel_get_all() - get all channels associated with a client + * @name: name of consumer device. + * + * Returns an array of iio_channel structures terminated with one with + * null iio_dev pointer. + * This function is used by fairly generic consumers to get all the + * channels registered as having this consumer. + */ +struct iio_channel *iio_st_channel_get_all(const char *name); + +/** + * iio_st_channel_release_all() - reverse iio_st_get_all + * @chan: Array of channels to be released. + */ +void iio_st_channel_release_all(struct iio_channel *chan); + +/** + * iio_st_read_channel_raw() - read from a given channel + * @channel: The channel being queried. + * @val: Value read back. + * + * Note raw reads from iio channels are in adc counts and hence + * scale will need to be applied if standard units required. + */ +int iio_st_read_channel_raw(struct iio_channel *chan, + int *val); + +/** + * iio_st_get_channel_type() - get the type of a channel + * @channel: The channel being queried. + * @type: The type of the channel. + * + * returns the enum iio_chan_type of the channel + */ +int iio_st_get_channel_type(struct iio_channel *channel, + enum iio_chan_type *type); + +/** + * iio_st_read_channel_scale() - read the scale value for a channel + * @channel: The channel being queried. + * @val: First part of value read back. + * @val2: Second part of value read back. + * + * Note returns a description of what is in val and val2, such + * as IIO_VAL_INT_PLUS_MICRO telling us we have a value of val + * + val2/1e6 + */ +int iio_st_read_channel_scale(struct iio_channel *chan, int *val, + int *val2); + +#endif diff --git a/drivers/staging/iio/dac/Kconfig b/drivers/staging/iio/dac/Kconfig index 13e27979df2..a57803a5d1a 100644 --- a/drivers/staging/iio/dac/Kconfig +++ b/drivers/staging/iio/dac/Kconfig @@ -4,11 +4,12 @@ menu "Digital to analog converters" config AD5064 - tristate "Analog Devices AD5064/64-1/44/24 DAC driver" + tristate "Analog Devices AD5064/64-1/65/44/45/24/25, AD5628/48/66/68 DAC driver" depends on SPI help - Say yes here to build support for Analog Devices AD5064, AD5064-1, - AD5044, AD5024 Digital to Analog Converter. + Say yes here to build support for Analog Devices AD5024, AD5025, AD5044, + AD5045, AD5064, AD5064-1, AD5065, AD5628, AD5648, AD5666, AD5668 Digital + to Analog Converter. To compile this driver as a module, choose M here: the module will be called ad5064. diff --git a/drivers/staging/iio/dac/ad5064.c b/drivers/staging/iio/dac/ad5064.c index 049a855039c..06b162745a3 100644 --- a/drivers/staging/iio/dac/ad5064.c +++ b/drivers/staging/iio/dac/ad5064.c @@ -1,5 +1,6 @@ /* - * AD5064, AD5064-1, AD5044, AD5024 Digital to analog converters driver + * AD5024, AD5025, AD5044, AD5045, AD5064, AD5064-1, AD5065, AD5628, AD5648, + * AD5666, AD5668 Digital to analog converters driver * * Copyright 2011 Analog Devices Inc. * @@ -19,7 +20,8 @@ #include "../sysfs.h" #include "dac.h" -#define AD5064_DAC_CHANNELS 4 +#define AD5064_MAX_DAC_CHANNELS 8 +#define AD5064_MAX_VREFS 4 #define AD5064_ADDR(x) ((x) << 20) #define AD5064_CMD(x) ((x) << 24) @@ -35,7 +37,10 @@ #define AD5064_CMD_CLEAR 0x5 #define AD5064_CMD_LDAC_MASK 0x6 #define AD5064_CMD_RESET 0x7 -#define AD5064_CMD_DAISY_CHAIN_ENABLE 0x8 +#define AD5064_CMD_CONFIG 0x8 + +#define AD5064_CONFIG_DAISY_CHAIN_ENABLE BIT(1) +#define AD5064_CONFIG_INT_VREF_ENABLE BIT(0) #define AD5064_LDAC_PWRDN_NONE 0x0 #define AD5064_LDAC_PWRDN_1K 0x1 @@ -45,12 +50,17 @@ /** * struct ad5064_chip_info - chip specific information * @shared_vref: whether the vref supply is shared between channels + * @internal_vref: internal reference voltage. 0 if the chip has no internal + * vref. * @channel: channel specification -*/ + * @num_channels: number of channels + */ struct ad5064_chip_info { bool shared_vref; - struct iio_chan_spec channel[AD5064_DAC_CHANNELS]; + unsigned long internal_vref; + const struct iio_chan_spec *channels; + unsigned int num_channels; }; /** @@ -61,16 +71,19 @@ struct ad5064_chip_info { * @pwr_down: whether channel is powered down * @pwr_down_mode: channel's current power down mode * @dac_cache: current DAC raw value (chip does not support readback) + * @use_internal_vref: set to true if the internal reference voltage should be + * used. * @data: spi transfer buffers */ struct ad5064_state { struct spi_device *spi; const struct ad5064_chip_info *chip_info; - struct regulator_bulk_data vref_reg[AD5064_DAC_CHANNELS]; - bool pwr_down[AD5064_DAC_CHANNELS]; - u8 pwr_down_mode[AD5064_DAC_CHANNELS]; - unsigned int dac_cache[AD5064_DAC_CHANNELS]; + struct regulator_bulk_data vref_reg[AD5064_MAX_VREFS]; + bool pwr_down[AD5064_MAX_DAC_CHANNELS]; + u8 pwr_down_mode[AD5064_MAX_DAC_CHANNELS]; + unsigned int dac_cache[AD5064_MAX_DAC_CHANNELS]; + bool use_internal_vref; /* * DMA (thus cache coherency maintenance) requires the @@ -81,50 +94,20 @@ struct ad5064_state { enum ad5064_type { ID_AD5024, + ID_AD5025, ID_AD5044, + ID_AD5045, ID_AD5064, ID_AD5064_1, -}; - -#define AD5064_CHANNEL(chan, bits) { \ - .type = IIO_VOLTAGE, \ - .indexed = 1, \ - .output = 1, \ - .channel = (chan), \ - .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ - .address = AD5064_ADDR_DAC(chan), \ - .scan_type = IIO_ST('u', (bits), 16, 20 - (bits)) \ -} - -static const struct ad5064_chip_info ad5064_chip_info_tbl[] = { - [ID_AD5024] = { - .shared_vref = false, - .channel[0] = AD5064_CHANNEL(0, 12), - .channel[1] = AD5064_CHANNEL(1, 12), - .channel[2] = AD5064_CHANNEL(2, 12), - .channel[3] = AD5064_CHANNEL(3, 12), - }, - [ID_AD5044] = { - .shared_vref = false, - .channel[0] = AD5064_CHANNEL(0, 14), - .channel[1] = AD5064_CHANNEL(1, 14), - .channel[2] = AD5064_CHANNEL(2, 14), - .channel[3] = AD5064_CHANNEL(3, 14), - }, - [ID_AD5064] = { - .shared_vref = false, - .channel[0] = AD5064_CHANNEL(0, 16), - .channel[1] = AD5064_CHANNEL(1, 16), - .channel[2] = AD5064_CHANNEL(2, 16), - .channel[3] = AD5064_CHANNEL(3, 16), - }, - [ID_AD5064_1] = { - .shared_vref = true, - .channel[0] = AD5064_CHANNEL(0, 16), - .channel[1] = AD5064_CHANNEL(1, 16), - .channel[2] = AD5064_CHANNEL(2, 16), - .channel[3] = AD5064_CHANNEL(3, 16), - }, + ID_AD5065, + ID_AD5628_1, + ID_AD5628_2, + ID_AD5648_1, + ID_AD5648_2, + ID_AD5666_1, + ID_AD5666_2, + ID_AD5668_1, + ID_AD5668_2, }; static int ad5064_spi_write(struct ad5064_state *st, unsigned int cmd, @@ -160,22 +143,25 @@ static const char ad5064_powerdown_modes[][15] = { [AD5064_LDAC_PWRDN_3STATE] = "three_state", }; -static ssize_t ad5064_read_powerdown_mode(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t ad5064_read_powerdown_mode_available(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, char *buf) +{ + return sprintf(buf, "%s %s %s\n", ad5064_powerdown_modes[1], + ad5064_powerdown_modes[2], ad5064_powerdown_modes[3]); +} + +static ssize_t ad5064_read_powerdown_mode(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, char *buf) { - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5064_state *st = iio_priv(indio_dev); return sprintf(buf, "%s\n", - ad5064_powerdown_modes[st->pwr_down_mode[this_attr->address]]); + ad5064_powerdown_modes[st->pwr_down_mode[chan->channel]]); } -static ssize_t ad5064_write_powerdown_mode(struct device *dev, - struct device_attribute *attr, const char *buf, size_t len) +static ssize_t ad5064_write_powerdown_mode(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, const char *buf, size_t len) { - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5064_state *st = iio_priv(indio_dev); unsigned int mode, i; int ret; @@ -192,31 +178,26 @@ static ssize_t ad5064_write_powerdown_mode(struct device *dev, return -EINVAL; mutex_lock(&indio_dev->mlock); - st->pwr_down_mode[this_attr->address] = mode; + st->pwr_down_mode[chan->channel] = mode; - ret = ad5064_sync_powerdown_mode(st, this_attr->address); + ret = ad5064_sync_powerdown_mode(st, chan->channel); mutex_unlock(&indio_dev->mlock); return ret ? ret : len; } -static ssize_t ad5064_read_dac_powerdown(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t ad5064_read_dac_powerdown(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5064_state *st = iio_priv(indio_dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - return sprintf(buf, "%d\n", st->pwr_down[this_attr->address]); + return sprintf(buf, "%d\n", st->pwr_down[chan->channel]); } -static ssize_t ad5064_write_dac_powerdown(struct device *dev, - struct device_attribute *attr, const char *buf, size_t len) +static ssize_t ad5064_write_dac_powerdown(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, const char *buf, size_t len) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5064_state *st = iio_priv(indio_dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); bool pwr_down; int ret; @@ -225,53 +206,24 @@ static ssize_t ad5064_write_dac_powerdown(struct device *dev, return ret; mutex_lock(&indio_dev->mlock); - st->pwr_down[this_attr->address] = pwr_down; + st->pwr_down[chan->channel] = pwr_down; - ret = ad5064_sync_powerdown_mode(st, this_attr->address); + ret = ad5064_sync_powerdown_mode(st, chan->channel); mutex_unlock(&indio_dev->mlock); return ret ? ret : len; } -static IIO_CONST_ATTR(out_voltage_powerdown_mode_available, - "1kohm_to_gnd 100kohm_to_gnd three_state"); - -#define IIO_DEV_ATTR_DAC_POWERDOWN_MODE(_chan) \ - IIO_DEVICE_ATTR(out_voltage##_chan##_powerdown_mode, \ - S_IRUGO | S_IWUSR, \ - ad5064_read_powerdown_mode, \ - ad5064_write_powerdown_mode, _chan); - -#define IIO_DEV_ATTR_DAC_POWERDOWN(_chan) \ - IIO_DEVICE_ATTR(out_voltage##_chan##_powerdown, \ - S_IRUGO | S_IWUSR, \ - ad5064_read_dac_powerdown, \ - ad5064_write_dac_powerdown, _chan) - -static IIO_DEV_ATTR_DAC_POWERDOWN(0); -static IIO_DEV_ATTR_DAC_POWERDOWN_MODE(0); -static IIO_DEV_ATTR_DAC_POWERDOWN(1); -static IIO_DEV_ATTR_DAC_POWERDOWN_MODE(1); -static IIO_DEV_ATTR_DAC_POWERDOWN(2); -static IIO_DEV_ATTR_DAC_POWERDOWN_MODE(2); -static IIO_DEV_ATTR_DAC_POWERDOWN(3); -static IIO_DEV_ATTR_DAC_POWERDOWN_MODE(3); - -static struct attribute *ad5064_attributes[] = { - &iio_dev_attr_out_voltage0_powerdown.dev_attr.attr, - &iio_dev_attr_out_voltage1_powerdown.dev_attr.attr, - &iio_dev_attr_out_voltage2_powerdown.dev_attr.attr, - &iio_dev_attr_out_voltage3_powerdown.dev_attr.attr, - &iio_dev_attr_out_voltage0_powerdown_mode.dev_attr.attr, - &iio_dev_attr_out_voltage1_powerdown_mode.dev_attr.attr, - &iio_dev_attr_out_voltage2_powerdown_mode.dev_attr.attr, - &iio_dev_attr_out_voltage3_powerdown_mode.dev_attr.attr, - &iio_const_attr_out_voltage_powerdown_mode_available.dev_attr.attr, - NULL, -}; +static int ad5064_get_vref(struct ad5064_state *st, + struct iio_chan_spec const *chan) +{ + unsigned int i; -static const struct attribute_group ad5064_attribute_group = { - .attrs = ad5064_attributes, -}; + if (st->use_internal_vref) + return st->chip_info->internal_vref; + + i = st->chip_info->shared_vref ? 0 : chan->channel; + return regulator_get_voltage(st->vref_reg[i].consumer); +} static int ad5064_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, @@ -280,7 +232,6 @@ static int ad5064_read_raw(struct iio_dev *indio_dev, long m) { struct ad5064_state *st = iio_priv(indio_dev); - unsigned int vref; int scale_uv; switch (m) { @@ -288,8 +239,7 @@ static int ad5064_read_raw(struct iio_dev *indio_dev, *val = st->dac_cache[chan->channel]; return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: - vref = st->chip_info->shared_vref ? 0 : chan->channel; - scale_uv = regulator_get_voltage(st->vref_reg[vref].consumer); + scale_uv = ad5064_get_vref(st, chan); if (scale_uv < 0) return scale_uv; @@ -331,13 +281,144 @@ static int ad5064_write_raw(struct iio_dev *indio_dev, static const struct iio_info ad5064_info = { .read_raw = ad5064_read_raw, .write_raw = ad5064_write_raw, - .attrs = &ad5064_attribute_group, .driver_module = THIS_MODULE, }; +static struct iio_chan_spec_ext_info ad5064_ext_info[] = { + { + .name = "powerdown", + .read = ad5064_read_dac_powerdown, + .write = ad5064_write_dac_powerdown, + }, + { + .name = "powerdown_mode", + .read = ad5064_read_powerdown_mode, + .write = ad5064_write_powerdown_mode, + }, + { + .name = "powerdown_mode_available", + .shared = true, + .read = ad5064_read_powerdown_mode_available, + }, + { }, +}; + +#define AD5064_CHANNEL(chan, bits) { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .output = 1, \ + .channel = (chan), \ + .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ + .address = AD5064_ADDR_DAC(chan), \ + .scan_type = IIO_ST('u', (bits), 16, 20 - (bits)), \ + .ext_info = ad5064_ext_info, \ +} + +#define DECLARE_AD5064_CHANNELS(name, bits) \ +const struct iio_chan_spec name[] = { \ + AD5064_CHANNEL(0, bits), \ + AD5064_CHANNEL(1, bits), \ + AD5064_CHANNEL(2, bits), \ + AD5064_CHANNEL(3, bits), \ + AD5064_CHANNEL(4, bits), \ + AD5064_CHANNEL(5, bits), \ + AD5064_CHANNEL(6, bits), \ + AD5064_CHANNEL(7, bits), \ +} + +static DECLARE_AD5064_CHANNELS(ad5024_channels, 12); +static DECLARE_AD5064_CHANNELS(ad5044_channels, 14); +static DECLARE_AD5064_CHANNELS(ad5064_channels, 16); + +static const struct ad5064_chip_info ad5064_chip_info_tbl[] = { + [ID_AD5024] = { + .shared_vref = false, + .channels = ad5024_channels, + .num_channels = 4, + }, + [ID_AD5025] = { + .shared_vref = false, + .channels = ad5024_channels, + .num_channels = 2, + }, + [ID_AD5044] = { + .shared_vref = false, + .channels = ad5044_channels, + .num_channels = 4, + }, + [ID_AD5045] = { + .shared_vref = false, + .channels = ad5044_channels, + .num_channels = 2, + }, + [ID_AD5064] = { + .shared_vref = false, + .channels = ad5064_channels, + .num_channels = 4, + }, + [ID_AD5064_1] = { + .shared_vref = true, + .channels = ad5064_channels, + .num_channels = 4, + }, + [ID_AD5065] = { + .shared_vref = false, + .channels = ad5064_channels, + .num_channels = 2, + }, + [ID_AD5628_1] = { + .shared_vref = true, + .internal_vref = 2500000, + .channels = ad5024_channels, + .num_channels = 8, + }, + [ID_AD5628_2] = { + .shared_vref = true, + .internal_vref = 5000000, + .channels = ad5024_channels, + .num_channels = 8, + }, + [ID_AD5648_1] = { + .shared_vref = true, + .internal_vref = 2500000, + .channels = ad5044_channels, + .num_channels = 8, + }, + [ID_AD5648_2] = { + .shared_vref = true, + .internal_vref = 5000000, + .channels = ad5044_channels, + .num_channels = 8, + }, + [ID_AD5666_1] = { + .shared_vref = true, + .internal_vref = 2500000, + .channels = ad5064_channels, + .num_channels = 4, + }, + [ID_AD5666_2] = { + .shared_vref = true, + .internal_vref = 5000000, + .channels = ad5064_channels, + .num_channels = 4, + }, + [ID_AD5668_1] = { + .shared_vref = true, + .internal_vref = 2500000, + .channels = ad5064_channels, + .num_channels = 8, + }, + [ID_AD5668_2] = { + .shared_vref = true, + .internal_vref = 5000000, + .channels = ad5064_channels, + .num_channels = 8, + }, +}; + static inline unsigned int ad5064_num_vref(struct ad5064_state *st) { - return st->chip_info->shared_vref ? 1 : AD5064_DAC_CHANNELS; + return st->chip_info->shared_vref ? 1 : st->chip_info->num_channels; } static const char * const ad5064_vref_names[] = { @@ -376,14 +457,24 @@ static int __devinit ad5064_probe(struct spi_device *spi) ret = regulator_bulk_get(&st->spi->dev, ad5064_num_vref(st), st->vref_reg); - if (ret) - goto error_free; - - ret = regulator_bulk_enable(ad5064_num_vref(st), st->vref_reg); - if (ret) - goto error_free_reg; + if (ret) { + if (!st->chip_info->internal_vref) + goto error_free; + st->use_internal_vref = true; + ret = ad5064_spi_write(st, AD5064_CMD_CONFIG, 0, + AD5064_CONFIG_INT_VREF_ENABLE, 0); + if (ret) { + dev_err(&spi->dev, "Failed to enable internal vref: %d\n", + ret); + goto error_free; + } + } else { + ret = regulator_bulk_enable(ad5064_num_vref(st), st->vref_reg); + if (ret) + goto error_free_reg; + } - for (i = 0; i < AD5064_DAC_CHANNELS; ++i) { + for (i = 0; i < st->chip_info->num_channels; ++i) { st->pwr_down_mode[i] = AD5064_LDAC_PWRDN_1K; st->dac_cache[i] = 0x8000; } @@ -392,8 +483,8 @@ static int __devinit ad5064_probe(struct spi_device *spi) indio_dev->name = spi_get_device_id(spi)->name; indio_dev->info = &ad5064_info; indio_dev->modes = INDIO_DIRECT_MODE; - indio_dev->channels = st->chip_info->channel; - indio_dev->num_channels = AD5064_DAC_CHANNELS; + indio_dev->channels = st->chip_info->channels; + indio_dev->num_channels = st->chip_info->num_channels; ret = iio_device_register(indio_dev); if (ret) @@ -402,9 +493,11 @@ static int __devinit ad5064_probe(struct spi_device *spi) return 0; error_disable_reg: - regulator_bulk_disable(ad5064_num_vref(st), st->vref_reg); + if (!st->use_internal_vref) + regulator_bulk_disable(ad5064_num_vref(st), st->vref_reg); error_free_reg: - regulator_bulk_free(ad5064_num_vref(st), st->vref_reg); + if (!st->use_internal_vref) + regulator_bulk_free(ad5064_num_vref(st), st->vref_reg); error_free: iio_free_device(indio_dev); @@ -419,8 +512,10 @@ static int __devexit ad5064_remove(struct spi_device *spi) iio_device_unregister(indio_dev); - regulator_bulk_disable(ad5064_num_vref(st), st->vref_reg); - regulator_bulk_free(ad5064_num_vref(st), st->vref_reg); + if (!st->use_internal_vref) { + regulator_bulk_disable(ad5064_num_vref(st), st->vref_reg); + regulator_bulk_free(ad5064_num_vref(st), st->vref_reg); + } iio_free_device(indio_dev); @@ -429,9 +524,21 @@ static int __devexit ad5064_remove(struct spi_device *spi) static const struct spi_device_id ad5064_id[] = { {"ad5024", ID_AD5024}, + {"ad5025", ID_AD5025}, {"ad5044", ID_AD5044}, + {"ad5045", ID_AD5045}, {"ad5064", ID_AD5064}, {"ad5064-1", ID_AD5064_1}, + {"ad5065", ID_AD5065}, + {"ad5628-1", ID_AD5628_1}, + {"ad5628-2", ID_AD5628_2}, + {"ad5648-1", ID_AD5648_1}, + {"ad5648-2", ID_AD5648_2}, + {"ad5666-1", ID_AD5666_1}, + {"ad5666-2", ID_AD5666_2}, + {"ad5668-1", ID_AD5668_1}, + {"ad5668-2", ID_AD5668_2}, + {"ad5668-3", ID_AD5668_2}, /* similar enough to ad5668-2 */ {} }; MODULE_DEVICE_TABLE(spi, ad5064_id); @@ -448,5 +555,5 @@ static struct spi_driver ad5064_driver = { module_spi_driver(ad5064_driver); MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); -MODULE_DESCRIPTION("Analog Devices AD5064/64-1/44/24 DAC"); +MODULE_DESCRIPTION("Analog Devices AD5024/25/44/45/64/64-1/65, AD5628/48/66/68 DAC"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/iio/dac/ad5360.c b/drivers/staging/iio/dac/ad5360.c index 710b256affc..cec3693b50a 100644 --- a/drivers/staging/iio/dac/ad5360.c +++ b/drivers/staging/iio/dac/ad5360.c @@ -439,8 +439,8 @@ static int __devinit ad5360_alloc_channels(struct iio_dev *indio_dev) struct iio_chan_spec *channels; unsigned int i; - channels = kcalloc(sizeof(struct iio_chan_spec), - st->chip_info->num_channels, GFP_KERNEL); + channels = kcalloc(st->chip_info->num_channels, + sizeof(struct iio_chan_spec), GFP_KERNEL); if (!channels) return -ENOMEM; diff --git a/drivers/staging/iio/dac/ad5380.c b/drivers/staging/iio/dac/ad5380.c index eff97ae05c4..4c50716fa80 100644 --- a/drivers/staging/iio/dac/ad5380.c +++ b/drivers/staging/iio/dac/ad5380.c @@ -363,8 +363,8 @@ static int __devinit ad5380_alloc_channels(struct iio_dev *indio_dev) struct iio_chan_spec *channels; unsigned int i; - channels = kcalloc(sizeof(struct iio_chan_spec), - st->chip_info->num_channels, GFP_KERNEL); + channels = kcalloc(st->chip_info->num_channels, + sizeof(struct iio_chan_spec), GFP_KERNEL); if (!channels) return -ENOMEM; diff --git a/drivers/staging/iio/dac/ad5421.c b/drivers/staging/iio/dac/ad5421.c index 71ee8682476..0b040b20469 100644 --- a/drivers/staging/iio/dac/ad5421.c +++ b/drivers/staging/iio/dac/ad5421.c @@ -536,18 +536,7 @@ static struct spi_driver ad5421_driver = { .probe = ad5421_probe, .remove = __devexit_p(ad5421_remove), }; - -static __init int ad5421_init(void) -{ - return spi_register_driver(&ad5421_driver); -} -module_init(ad5421_init); - -static __exit void ad5421_exit(void) -{ - spi_unregister_driver(&ad5421_driver); -} -module_exit(ad5421_exit); +module_spi_driver(ad5421_driver); MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); MODULE_DESCRIPTION("Analog Devices AD5421 DAC"); diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c index 693e7482524..633ffbb2181 100644 --- a/drivers/staging/iio/dac/ad5446.c +++ b/drivers/staging/iio/dac/ad5446.c @@ -149,30 +149,8 @@ static struct attribute *ad5446_attributes[] = { NULL, }; -static umode_t ad5446_attr_is_visible(struct kobject *kobj, - struct attribute *attr, int n) -{ - struct device *dev = container_of(kobj, struct device, kobj); - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct ad5446_state *st = iio_priv(indio_dev); - - umode_t mode = attr->mode; - - if (!st->chip_info->store_pwr_down && - (attr == &iio_dev_attr_out_voltage0_powerdown.dev_attr.attr || - attr == &iio_dev_attr_out_voltage_powerdown_mode. - dev_attr.attr || - attr == - &iio_const_attr_out_voltage_powerdown_mode_available. - dev_attr.attr)) - mode = 0; - - return mode; -} - static const struct attribute_group ad5446_attribute_group = { .attrs = ad5446_attributes, - .is_visible = ad5446_attr_is_visible, }; #define AD5446_CHANNEL(bits, storage, shift) { \ @@ -321,6 +299,12 @@ static const struct iio_info ad5446_info = { .driver_module = THIS_MODULE, }; +static const struct iio_info ad5446_info_no_pwr_down = { + .read_raw = ad5446_read_raw, + .write_raw = ad5446_write_raw, + .driver_module = THIS_MODULE, +}; + static int __devinit ad5446_probe(struct spi_device *spi) { struct ad5446_state *st; @@ -350,10 +334,13 @@ static int __devinit ad5446_probe(struct spi_device *spi) st->reg = reg; st->spi = spi; - /* Estabilish that the iio_dev is a child of the spi device */ + /* Establish that the iio_dev is a child of the spi device */ indio_dev->dev.parent = &spi->dev; indio_dev->name = spi_get_device_id(spi)->name; - indio_dev->info = &ad5446_info; + if (st->chip_info->store_pwr_down) + indio_dev->info = &ad5446_info; + else + indio_dev->info = &ad5446_info_no_pwr_down; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->channels = &st->chip_info->channel; indio_dev->num_channels = 1; diff --git a/drivers/staging/iio/dac/ad5764.c b/drivers/staging/iio/dac/ad5764.c index ff91480ae65..f73a7307949 100644 --- a/drivers/staging/iio/dac/ad5764.c +++ b/drivers/staging/iio/dac/ad5764.c @@ -375,18 +375,7 @@ static struct spi_driver ad5764_driver = { .remove = __devexit_p(ad5764_remove), .id_table = ad5764_ids, }; - -static int __init ad5764_spi_init(void) -{ - return spi_register_driver(&ad5764_driver); -} -module_init(ad5764_spi_init); - -static void __exit ad5764_spi_exit(void) -{ - spi_unregister_driver(&ad5764_driver); -} -module_exit(ad5764_spi_exit); +module_spi_driver(ad5764_driver); MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); MODULE_DESCRIPTION("Analog Devices AD5744/AD5744R/AD5764/AD5764R DAC"); diff --git a/drivers/staging/iio/dac/max517.c b/drivers/staging/iio/dac/max517.c index a4df6d7443c..41483c72cec 100644 --- a/drivers/staging/iio/dac/max517.c +++ b/drivers/staging/iio/dac/max517.c @@ -179,20 +179,27 @@ static struct attribute_group max518_attribute_group = { .attrs = max518_attributes, }; -static int max517_suspend(struct i2c_client *client, pm_message_t mesg) +#ifdef CONFIG_PM_SLEEP +static int max517_suspend(struct device *dev) { u8 outbuf = COMMAND_PD; - return i2c_master_send(client, &outbuf, 1); + return i2c_master_send(to_i2c_client(dev), &outbuf, 1); } -static int max517_resume(struct i2c_client *client) +static int max517_resume(struct device *dev) { u8 outbuf = 0; - return i2c_master_send(client, &outbuf, 1); + return i2c_master_send(to_i2c_client(dev), &outbuf, 1); } +static SIMPLE_DEV_PM_OPS(max517_pm_ops, max517_suspend, max517_resume); +#define MAX517_PM_OPS (&max517_pm_ops) +#else +#define MAX517_PM_OPS NULL +#endif + static const struct iio_info max517_info = { .attrs = &max517_attribute_group, .driver_module = THIS_MODULE, @@ -273,11 +280,10 @@ MODULE_DEVICE_TABLE(i2c, max517_id); static struct i2c_driver max517_driver = { .driver = { .name = MAX517_DRV_NAME, + .pm = MAX517_PM_OPS, }, .probe = max517_probe, .remove = max517_remove, - .suspend = max517_suspend, - .resume = max517_resume, .id_table = max517_id, }; module_i2c_driver(max517_driver); diff --git a/drivers/staging/iio/dds/ad9834.c b/drivers/staging/iio/dds/ad9834.c index 5e67104fea1..38a2de08626 100644 --- a/drivers/staging/iio/dds/ad9834.c +++ b/drivers/staging/iio/dds/ad9834.c @@ -281,29 +281,27 @@ static struct attribute *ad9834_attributes[] = { NULL, }; -static umode_t ad9834_attr_is_visible(struct kobject *kobj, - struct attribute *attr, int n) -{ - struct device *dev = container_of(kobj, struct device, kobj); - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct ad9834_state *st = iio_priv(indio_dev); - - umode_t mode = attr->mode; - - if (((st->devid == ID_AD9833) || (st->devid == ID_AD9837)) && - ((attr == &iio_dev_attr_dds0_out1_enable.dev_attr.attr) || - (attr == &iio_dev_attr_dds0_out1_wavetype.dev_attr.attr) || - (attr == - &iio_dev_attr_dds0_out1_wavetype_available.dev_attr.attr) || - (attr == &iio_dev_attr_dds0_pincontrol_en.dev_attr.attr))) - mode = 0; - - return mode; -} +static struct attribute *ad9833_attributes[] = { + &iio_dev_attr_dds0_freq0.dev_attr.attr, + &iio_dev_attr_dds0_freq1.dev_attr.attr, + &iio_const_attr_dds0_freq_scale.dev_attr.attr, + &iio_dev_attr_dds0_phase0.dev_attr.attr, + &iio_dev_attr_dds0_phase1.dev_attr.attr, + &iio_const_attr_dds0_phase_scale.dev_attr.attr, + &iio_dev_attr_dds0_freqsymbol.dev_attr.attr, + &iio_dev_attr_dds0_phasesymbol.dev_attr.attr, + &iio_dev_attr_dds0_out_enable.dev_attr.attr, + &iio_dev_attr_dds0_out0_wavetype.dev_attr.attr, + &iio_dev_attr_dds0_out0_wavetype_available.dev_attr.attr, + NULL, +}; static const struct attribute_group ad9834_attribute_group = { .attrs = ad9834_attributes, - .is_visible = ad9834_attr_is_visible, +}; + +static const struct attribute_group ad9833_attribute_group = { + .attrs = ad9833_attributes, }; static const struct iio_info ad9834_info = { @@ -311,6 +309,11 @@ static const struct iio_info ad9834_info = { .driver_module = THIS_MODULE, }; +static const struct iio_info ad9833_info = { + .attrs = &ad9833_attribute_group, + .driver_module = THIS_MODULE, +}; + static int __devinit ad9834_probe(struct spi_device *spi) { struct ad9834_platform_data *pdata = spi->dev.platform_data; @@ -344,7 +347,15 @@ static int __devinit ad9834_probe(struct spi_device *spi) st->reg = reg; indio_dev->dev.parent = &spi->dev; indio_dev->name = spi_get_device_id(spi)->name; - indio_dev->info = &ad9834_info; + switch (st->devid) { + case ID_AD9833: + case ID_AD9837: + indio_dev->info = &ad9833_info; + break; + default: + indio_dev->info = &ad9834_info; + break; + } indio_dev->modes = INDIO_DIRECT_MODE; /* Setup default messages */ diff --git a/drivers/staging/iio/driver.h b/drivers/staging/iio/driver.h new file mode 100644 index 00000000000..a4f8b2e05af --- /dev/null +++ b/drivers/staging/iio/driver.h @@ -0,0 +1,34 @@ +/* + * Industrial I/O in kernel access map interface. + * + * Copyright (c) 2011 Jonathan Cameron + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +#ifndef _IIO_INKERN_H_ +#define _IIO_INKERN_H_ + +struct iio_map; + +/** + * iio_map_array_register() - tell the core about inkernel consumers + * @indio_dev: provider device + * @map: array of mappings specifying association of channel with client + */ +int iio_map_array_register(struct iio_dev *indio_dev, + struct iio_map *map); + +/** + * iio_map_array_unregister() - tell the core to remove consumer mappings + * @indio_dev: provider device + * @map: array of mappings to remove. Note these must have same memory + * addresses as those originally added not just equal parameter + * values. + */ +int iio_map_array_unregister(struct iio_dev *indio_dev, + struct iio_map *map); + +#endif diff --git a/drivers/staging/iio/events.h b/drivers/staging/iio/events.h index bfb63400fa6..c25f0e3c92e 100644 --- a/drivers/staging/iio/events.h +++ b/drivers/staging/iio/events.h @@ -96,8 +96,10 @@ enum iio_event_direction { /* Event code number extraction depends on which type of event we have. * Perhaps review this function in the future*/ -#define IIO_EVENT_CODE_EXTRACT_NUM(mask) ((__s16)(mask & 0xFFFF)) +#define IIO_EVENT_CODE_EXTRACT_CHAN(mask) ((__s16)(mask & 0xFFFF)) +#define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((__s16)(((mask) >> 16) & 0xFFFF)) #define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF) +#define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) >> 55) & 0x1) #endif diff --git a/drivers/staging/iio/gyro/adis16260_ring.c b/drivers/staging/iio/gyro/adis16260_ring.c index 699a6152c40..711f15122a0 100644 --- a/drivers/staging/iio/gyro/adis16260_ring.c +++ b/drivers/staging/iio/gyro/adis16260_ring.c @@ -115,8 +115,6 @@ int adis16260_configure_ring(struct iio_dev *indio_dev) return ret; } indio_dev->buffer = ring; - /* Effectively select the ring buffer implementation */ - ring->access = &ring_sw_access_funcs; ring->scan_timestamp = true; indio_dev->setup_ops = &adis16260_ring_setup_ops; diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h index be6ced31f65..b9cd454f69e 100644 --- a/drivers/staging/iio/iio.h +++ b/drivers/staging/iio/iio.h @@ -26,7 +26,7 @@ enum iio_data_type { /* Could add the raw attributes as well - allowing buffer only devices */ enum iio_chan_info_enum { - /* 0 is reserverd for raw attributes */ + /* 0 is reserved for raw attributes */ IIO_CHAN_INFO_SCALE = 1, IIO_CHAN_INFO_OFFSET, IIO_CHAN_INFO_CALIBSCALE, @@ -88,10 +88,29 @@ enum iio_endian { IIO_LE, }; +struct iio_chan_spec; +struct iio_dev; + +/** + * struct iio_chan_spec_ext_info - Extended channel info attribute + * @name: Info attribute name + * @shared: Whether this attribute is shared between all channels. + * @read: Read callback for this info attribute, may be NULL. + * @write: Write callback for this info attribute, may be NULL. + */ +struct iio_chan_spec_ext_info { + const char *name; + bool shared; + ssize_t (*read)(struct iio_dev *, struct iio_chan_spec const *, + char *buf); + ssize_t (*write)(struct iio_dev *, struct iio_chan_spec const *, + const char *buf, size_t len); +}; + /** * struct iio_chan_spec - specification of a single channel * @type: What type of measurement is the channel making. - * @channel: What number or name do we wish to asign the channel. + * @channel: What number or name do we wish to assign the channel. * @channel2: If there is a second number for a differential * channel then this is it. If modified is set then the * value here specifies the modifier. @@ -107,11 +126,14 @@ enum iio_endian { * @info_mask: What information is to be exported about this channel. * This includes calibbias, scale etc. * @event_mask: What events can this channel produce. + * @ext_info: Array of extended info attributes for this channel. + * The array is NULL terminated, the last element should + * have it's name field set to NULL. * @extend_name: Allows labeling of channel attributes with an * informative name. Note this has no effect codes etc, * unlike modifiers. * @datasheet_name: A name used in in kernel mapping of channels. It should - * corrspond to the first name that the channel is referred + * correspond to the first name that the channel is referred * to by in the datasheet (e.g. IND), or the nearest * possible compound name (e.g. IND-INC). * @processed_val: Flag to specify the data access attribute should be @@ -141,6 +163,7 @@ struct iio_chan_spec { } scan_type; long info_mask; long event_mask; + const struct iio_chan_spec_ext_info *ext_info; char *extend_name; const char *datasheet_name; unsigned processed_val:1; @@ -197,12 +220,6 @@ static inline s64 iio_get_time_ns(void) #define INDIO_ALL_BUFFER_MODES \ (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE) -/* Vast majority of this is set by the industrialio subsystem on a - * call to iio_device_register. */ -#define IIO_VAL_INT 1 -#define IIO_VAL_INT_PLUS_MICRO 2 -#define IIO_VAL_INT_PLUS_NANO 3 - struct iio_trigger; /* forward declaration */ struct iio_dev; @@ -226,7 +243,7 @@ struct iio_dev; * @write_event_config: set if the event is enabled. * @read_event_value: read a value associated with the event. Meaning * is event dependant. event_code specifies which event. - * @write_event_value: write the value associate with the event. + * @write_event_value: write the value associated with the event. * Meaning is event dependent. * @validate_trigger: function to validate the trigger when the * current trigger gets changed. @@ -269,6 +286,9 @@ struct iio_info { struct iio_trigger *trig); int (*update_scan_mode)(struct iio_dev *indio_dev, const unsigned long *scan_mask); + int (*debugfs_reg_access)(struct iio_dev *indio_dev, + unsigned reg, unsigned writeval, + unsigned *readval); }; /** @@ -310,11 +330,14 @@ struct iio_buffer_setup_ops { * @chan_attr_group: [INTERN] group for all attrs in base directory * @name: [DRIVER] name of the device. * @info: [DRIVER] callbacks and constant info from driver + * @info_exist_lock: [INTERN] lock to prevent use during removal * @chrdev: [INTERN] associated character device * @groups: [INTERN] attribute groups * @groupcounter: [INTERN] index of next attribute group * @flags: [INTERN] file ops related flags including busy flag. - **/ + * @debugfs_dentry: [INTERN] device specific debugfs dentry. + * @cached_reg_addr: [INTERN] cached register address for debugfs reads. + */ struct iio_dev { int id; @@ -327,9 +350,9 @@ struct iio_dev { struct iio_buffer *buffer; struct mutex mlock; - unsigned long *available_scan_masks; + const unsigned long *available_scan_masks; unsigned masklength; - unsigned long *active_scan_mask; + const unsigned long *active_scan_mask; struct iio_trigger *trig; struct iio_poll_func *pollfunc; @@ -340,6 +363,7 @@ struct iio_dev { struct attribute_group chan_attr_group; const char *name; const struct iio_info *info; + struct mutex info_exist_lock; const struct iio_buffer_setup_ops *setup_ops; struct cdev chrdev; #define IIO_MAX_GROUPS 6 @@ -347,6 +371,10 @@ struct iio_dev { int groupcounter; unsigned long flags; +#if defined(CONFIG_DEBUG_FS) + struct dentry *debugfs_dentry; + unsigned cached_reg_addr; +#endif }; /** @@ -424,4 +452,20 @@ static inline bool iio_buffer_enabled(struct iio_dev *indio_dev) & (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE); }; +/** + * iio_get_debugfs_dentry() - helper function to get the debugfs_dentry + * @indio_dev: IIO device info structure for device + **/ +#if defined(CONFIG_DEBUG_FS) +static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) +{ + return indio_dev->debugfs_dentry; +}; +#else +static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) +{ + return NULL; +}; +#endif + #endif /* _INDUSTRIAL_IO_H_ */ diff --git a/drivers/staging/iio/iio_core.h b/drivers/staging/iio/iio_core.h index 107cfb1cbb0..c9dfcba0bac 100644 --- a/drivers/staging/iio/iio_core.h +++ b/drivers/staging/iio/iio_core.h @@ -49,4 +49,8 @@ ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf, #endif +int iio_device_register_eventset(struct iio_dev *indio_dev); +void iio_device_unregister_eventset(struct iio_dev *indio_dev); +int iio_event_getfd(struct iio_dev *indio_dev); + #endif diff --git a/drivers/staging/iio/iio_dummy_evgen.c b/drivers/staging/iio/iio_dummy_evgen.c index cdbf289bfe2..f39f346bf04 100644 --- a/drivers/staging/iio/iio_dummy_evgen.c +++ b/drivers/staging/iio/iio_dummy_evgen.c @@ -32,7 +32,7 @@ * @chip: irq chip we are faking * @base: base of irq range * @enabled: mask of which irqs are enabled - * @inuse: mask of which irqs actually have anyone connected + * @inuse: mask of which irqs are connected * @lock: protect the evgen state */ struct iio_dummy_eventgen { diff --git a/drivers/staging/iio/iio_hwmon.c b/drivers/staging/iio/iio_hwmon.c new file mode 100644 index 00000000000..a603a5f51f9 --- /dev/null +++ b/drivers/staging/iio/iio_hwmon.c @@ -0,0 +1,232 @@ +/* Hwmon client for industrial I/O devices + * + * Copyright (c) 2011 Jonathan Cameron + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include "consumer.h" +#include "types.h" + +/** + * struct iio_hwmon_state - device instance state + * @channels: filled with array of channels from iio + * @num_channels: number of channels in channels (saves counting twice) + * @hwmon_dev: associated hwmon device + * @attr_group: the group of attributes + * @attrs: null terminated array of attribute pointers. + */ +struct iio_hwmon_state { + struct iio_channel *channels; + int num_channels; + struct device *hwmon_dev; + struct attribute_group attr_group; + struct attribute **attrs; +}; + +/* + * Assumes that IIO and hwmon operate in the same base units. + * This is supposed to be true, but needs verification for + * new channel types. + */ +static ssize_t iio_hwmon_read_val(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + long result; + int val, ret, scaleint, scalepart; + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + struct iio_hwmon_state *state = dev_get_drvdata(dev); + + /* + * No locking between this pair, so theoretically possible + * the scale has changed. + */ + ret = iio_st_read_channel_raw(&state->channels[sattr->index], + &val); + if (ret < 0) + return ret; + + ret = iio_st_read_channel_scale(&state->channels[sattr->index], + &scaleint, &scalepart); + if (ret < 0) + return ret; + switch (ret) { + case IIO_VAL_INT: + result = val * scaleint; + break; + case IIO_VAL_INT_PLUS_MICRO: + result = (s64)val * (s64)scaleint + + div_s64((s64)val * (s64)scalepart, 1000000LL); + break; + case IIO_VAL_INT_PLUS_NANO: + result = (s64)val * (s64)scaleint + + div_s64((s64)val * (s64)scalepart, 1000000000LL); + break; + default: + return -EINVAL; + } + return sprintf(buf, "%ld\n", result); +} + +static void iio_hwmon_free_attrs(struct iio_hwmon_state *st) +{ + int i; + struct sensor_device_attribute *a; + for (i = 0; i < st->num_channels; i++) + if (st->attrs[i]) { + a = to_sensor_dev_attr( + container_of(st->attrs[i], + struct device_attribute, + attr)); + kfree(a); + } +} + +static int __devinit iio_hwmon_probe(struct platform_device *pdev) +{ + struct iio_hwmon_state *st; + struct sensor_device_attribute *a; + int ret, i; + int in_i = 1, temp_i = 1, curr_i = 1; + enum iio_chan_type type; + + st = kzalloc(sizeof(*st), GFP_KERNEL); + if (st == NULL) { + ret = -ENOMEM; + goto error_ret; + } + + st->channels = iio_st_channel_get_all(dev_name(&pdev->dev)); + if (IS_ERR(st->channels)) { + ret = PTR_ERR(st->channels); + goto error_free_state; + } + + /* count how many attributes we have */ + while (st->channels[st->num_channels].indio_dev) + st->num_channels++; + + st->attrs = kzalloc(sizeof(st->attrs) * (st->num_channels + 1), + GFP_KERNEL); + if (st->attrs == NULL) { + ret = -ENOMEM; + goto error_release_channels; + } + for (i = 0; i < st->num_channels; i++) { + a = kzalloc(sizeof(*a), GFP_KERNEL); + if (a == NULL) { + ret = -ENOMEM; + goto error_free_attrs; + } + + sysfs_attr_init(&a->dev_attr.attr); + ret = iio_st_get_channel_type(&st->channels[i], &type); + if (ret < 0) { + kfree(a); + goto error_free_attrs; + } + switch (type) { + case IIO_VOLTAGE: + a->dev_attr.attr.name = kasprintf(GFP_KERNEL, + "in%d_input", + in_i++); + break; + case IIO_TEMP: + a->dev_attr.attr.name = kasprintf(GFP_KERNEL, + "temp%d_input", + temp_i++); + break; + case IIO_CURRENT: + a->dev_attr.attr.name = kasprintf(GFP_KERNEL, + "curr%d_input", + curr_i++); + break; + default: + ret = -EINVAL; + kfree(a); + goto error_free_attrs; + } + if (a->dev_attr.attr.name == NULL) { + kfree(a); + ret = -ENOMEM; + goto error_free_attrs; + } + a->dev_attr.show = iio_hwmon_read_val; + a->dev_attr.attr.mode = S_IRUGO; + a->index = i; + st->attrs[i] = &a->dev_attr.attr; + } + + st->attr_group.attrs = st->attrs; + platform_set_drvdata(pdev, st); + ret = sysfs_create_group(&pdev->dev.kobj, &st->attr_group); + if (ret < 0) + goto error_free_attrs; + + st->hwmon_dev = hwmon_device_register(&pdev->dev); + if (IS_ERR(st->hwmon_dev)) { + ret = PTR_ERR(st->hwmon_dev); + goto error_remove_group; + } + return 0; + +error_remove_group: + sysfs_remove_group(&pdev->dev.kobj, &st->attr_group); +error_free_attrs: + iio_hwmon_free_attrs(st); + kfree(st->attrs); +error_release_channels: + iio_st_channel_release_all(st->channels); +error_free_state: + kfree(st); +error_ret: + return ret; +} + +static int __devexit iio_hwmon_remove(struct platform_device *pdev) +{ + struct iio_hwmon_state *st = platform_get_drvdata(pdev); + + hwmon_device_unregister(st->hwmon_dev); + sysfs_remove_group(&pdev->dev.kobj, &st->attr_group); + iio_hwmon_free_attrs(st); + kfree(st->attrs); + iio_st_channel_release_all(st->channels); + + return 0; +} + +static struct platform_driver __refdata iio_hwmon_driver = { + .driver = { + .name = "iio_hwmon", + .owner = THIS_MODULE, + }, + .probe = iio_hwmon_probe, + .remove = __devexit_p(iio_hwmon_remove), +}; + +static int iio_inkern_init(void) +{ + return platform_driver_register(&iio_hwmon_driver); +} +module_init(iio_inkern_init); + +static void iio_inkern_exit(void) +{ + platform_driver_unregister(&iio_hwmon_driver); +} +module_exit(iio_inkern_exit); + +MODULE_AUTHOR("Jonathan Cameron <jic23@cam.ac.uk>"); +MODULE_DESCRIPTION("IIO to hwmon driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/iio/iio_simple_dummy_buffer.c b/drivers/staging/iio/iio_simple_dummy_buffer.c index d6a1c0e82a5..bb4daf74436 100644 --- a/drivers/staging/iio/iio_simple_dummy_buffer.c +++ b/drivers/staging/iio/iio_simple_dummy_buffer.c @@ -142,8 +142,6 @@ int iio_simple_dummy_configure_buffer(struct iio_dev *indio_dev) } indio_dev->buffer = buffer; - /* Tell the core how to access the buffer */ - buffer->access = &kfifo_access_funcs; /* Enable timestamps by default */ buffer->scan_timestamp = true; diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 9a2ca55625f..cd82b56d58a 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -607,9 +607,6 @@ static int ad5933_register_ring_funcs_and_init(struct iio_dev *indio_dev) if (!indio_dev->buffer) return -ENOMEM; - /* Effectively select the ring buffer implementation */ - indio_dev->buffer->access = &ring_sw_access_funcs; - /* Ring buffer functions - here trigger setup related */ indio_dev->setup_ops = &ad5933_ring_setup_ops; diff --git a/drivers/staging/iio/imu/adis16400_ring.c b/drivers/staging/iio/imu/adis16400_ring.c index ac22de573f3..8daa038b23e 100644 --- a/drivers/staging/iio/imu/adis16400_ring.c +++ b/drivers/staging/iio/imu/adis16400_ring.c @@ -187,8 +187,6 @@ int adis16400_configure_ring(struct iio_dev *indio_dev) return ret; } indio_dev->buffer = ring; - /* Effectively select the ring buffer implementation */ - ring->access = &ring_sw_access_funcs; ring->scan_timestamp = true; indio_dev->setup_ops = &adis16400_ring_setup_ops; diff --git a/drivers/staging/iio/industrialio-buffer.c b/drivers/staging/iio/industrialio-buffer.c index d7b1e9e435a..386ba760f3f 100644 --- a/drivers/staging/iio/industrialio-buffer.c +++ b/drivers/staging/iio/industrialio-buffer.c @@ -489,9 +489,9 @@ ssize_t iio_buffer_show_enable(struct device *dev, EXPORT_SYMBOL(iio_buffer_show_enable); /* note NULL used as error indicator as it doesn't make sense. */ -static unsigned long *iio_scan_mask_match(unsigned long *av_masks, +static const unsigned long *iio_scan_mask_match(const unsigned long *av_masks, unsigned int masklength, - unsigned long *mask) + const unsigned long *mask) { if (bitmap_empty(mask, masklength)) return NULL; @@ -554,7 +554,7 @@ EXPORT_SYMBOL(iio_sw_buffer_preenable); int iio_scan_mask_set(struct iio_dev *indio_dev, struct iio_buffer *buffer, int bit) { - unsigned long *mask; + const unsigned long *mask; unsigned long *trialmask; trialmask = kmalloc(sizeof(*trialmask)* diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c index 19f897f3c85..d303bfbff27 100644 --- a/drivers/staging/iio/industrialio-core.c +++ b/drivers/staging/iio/industrialio-core.c @@ -22,6 +22,7 @@ #include <linux/cdev.h> #include <linux/slab.h> #include <linux/anon_inodes.h> +#include <linux/debugfs.h> #include "iio.h" #include "iio_core.h" #include "iio_core_trigger.h" @@ -39,6 +40,8 @@ struct bus_type iio_bus_type = { }; EXPORT_SYMBOL(iio_bus_type); +static struct dentry *iio_debugfs_dentry; + static const char * const iio_data_type_name[] = { [IIO_RAW] = "raw", [IIO_PROCESSED] = "input", @@ -100,71 +103,6 @@ const struct iio_chan_spec return NULL; } -/** - * struct iio_detected_event_list - list element for events that have occurred - * @list: linked list header - * @ev: the event itself - */ -struct iio_detected_event_list { - struct list_head list; - struct iio_event_data ev; -}; - -/** - * struct iio_event_interface - chrdev interface for an event line - * @dev: device assocated with event interface - * @wait: wait queue to allow blocking reads of events - * @event_list_lock: mutex to protect the list of detected events - * @det_events: list of detected events - * @max_events: maximum number of events before new ones are dropped - * @current_events: number of events in detected list - * @flags: file operations related flags including busy flag. - */ -struct iio_event_interface { - wait_queue_head_t wait; - struct mutex event_list_lock; - struct list_head det_events; - int max_events; - int current_events; - struct list_head dev_attr_list; - unsigned long flags; - struct attribute_group group; -}; - -int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp) -{ - struct iio_event_interface *ev_int = indio_dev->event_interface; - struct iio_detected_event_list *ev; - int ret = 0; - - /* Does anyone care? */ - mutex_lock(&ev_int->event_list_lock); - if (test_bit(IIO_BUSY_BIT_POS, &ev_int->flags)) { - if (ev_int->current_events == ev_int->max_events) { - mutex_unlock(&ev_int->event_list_lock); - return 0; - } - ev = kmalloc(sizeof(*ev), GFP_KERNEL); - if (ev == NULL) { - ret = -ENOMEM; - mutex_unlock(&ev_int->event_list_lock); - goto error_ret; - } - ev->ev.id = ev_code; - ev->ev.timestamp = timestamp; - - list_add_tail(&ev->list, &ev_int->det_events); - ev_int->current_events++; - mutex_unlock(&ev_int->event_list_lock); - wake_up_interruptible(&ev_int->wait); - } else - mutex_unlock(&ev_int->event_list_lock); - -error_ret: - return ret; -} -EXPORT_SYMBOL(iio_push_event); - /* This turns up an awful lot */ ssize_t iio_read_const_attr(struct device *dev, struct device_attribute *attr, @@ -174,143 +112,189 @@ ssize_t iio_read_const_attr(struct device *dev, } EXPORT_SYMBOL(iio_read_const_attr); -static ssize_t iio_event_chrdev_read(struct file *filep, - char __user *buf, - size_t count, - loff_t *f_ps) +static int __init iio_init(void) { - struct iio_event_interface *ev_int = filep->private_data; - struct iio_detected_event_list *el; - size_t len = sizeof(el->ev); int ret; - if (count < len) - return -EINVAL; - - mutex_lock(&ev_int->event_list_lock); - if (list_empty(&ev_int->det_events)) { - if (filep->f_flags & O_NONBLOCK) { - ret = -EAGAIN; - goto error_mutex_unlock; - } - mutex_unlock(&ev_int->event_list_lock); - /* Blocking on device; waiting for something to be there */ - ret = wait_event_interruptible(ev_int->wait, - !list_empty(&ev_int - ->det_events)); - if (ret) - goto error_ret; - /* Single access device so no one else can get the data */ - mutex_lock(&ev_int->event_list_lock); + /* Register sysfs bus */ + ret = bus_register(&iio_bus_type); + if (ret < 0) { + printk(KERN_ERR + "%s could not register bus type\n", + __FILE__); + goto error_nothing; } - el = list_first_entry(&ev_int->det_events, - struct iio_detected_event_list, - list); - if (copy_to_user(buf, &(el->ev), len)) { - ret = -EFAULT; - goto error_mutex_unlock; + ret = alloc_chrdev_region(&iio_devt, 0, IIO_DEV_MAX, "iio"); + if (ret < 0) { + printk(KERN_ERR "%s: failed to allocate char dev region\n", + __FILE__); + goto error_unregister_bus_type; } - list_del(&el->list); - ev_int->current_events--; - mutex_unlock(&ev_int->event_list_lock); - kfree(el); - return len; + iio_debugfs_dentry = debugfs_create_dir("iio", NULL); -error_mutex_unlock: - mutex_unlock(&ev_int->event_list_lock); -error_ret: + return 0; +error_unregister_bus_type: + bus_unregister(&iio_bus_type); +error_nothing: return ret; } -static int iio_event_chrdev_release(struct inode *inode, struct file *filep) +static void __exit iio_exit(void) { - struct iio_event_interface *ev_int = filep->private_data; - struct iio_detected_event_list *el, *t; + if (iio_devt) + unregister_chrdev_region(iio_devt, IIO_DEV_MAX); + bus_unregister(&iio_bus_type); + debugfs_remove(iio_debugfs_dentry); +} - mutex_lock(&ev_int->event_list_lock); - clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); - /* - * In order to maintain a clean state for reopening, - * clear out any awaiting events. The mask will prevent - * any new __iio_push_event calls running. - */ - list_for_each_entry_safe(el, t, &ev_int->det_events, list) { - list_del(&el->list); - kfree(el); - } - ev_int->current_events = 0; - mutex_unlock(&ev_int->event_list_lock); +#if defined(CONFIG_DEBUG_FS) +static int iio_debugfs_open(struct inode *inode, struct file *file) +{ + if (inode->i_private) + file->private_data = inode->i_private; return 0; } -static const struct file_operations iio_event_chrdev_fileops = { - .read = iio_event_chrdev_read, - .release = iio_event_chrdev_release, - .owner = THIS_MODULE, - .llseek = noop_llseek, -}; - -static int iio_event_getfd(struct iio_dev *indio_dev) +static ssize_t iio_debugfs_read_reg(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) { - struct iio_event_interface *ev_int = indio_dev->event_interface; - int fd; + struct iio_dev *indio_dev = file->private_data; + char buf[20]; + unsigned val = 0; + ssize_t len; + int ret; - if (ev_int == NULL) - return -ENODEV; + ret = indio_dev->info->debugfs_reg_access(indio_dev, + indio_dev->cached_reg_addr, + 0, &val); + if (ret) + dev_err(indio_dev->dev.parent, "%s: read failed\n", __func__); - mutex_lock(&ev_int->event_list_lock); - if (test_and_set_bit(IIO_BUSY_BIT_POS, &ev_int->flags)) { - mutex_unlock(&ev_int->event_list_lock); - return -EBUSY; - } - mutex_unlock(&ev_int->event_list_lock); - fd = anon_inode_getfd("iio:event", - &iio_event_chrdev_fileops, ev_int, O_RDONLY); - if (fd < 0) { - mutex_lock(&ev_int->event_list_lock); - clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); - mutex_unlock(&ev_int->event_list_lock); - } - return fd; + len = snprintf(buf, sizeof(buf), "0x%X\n", val); + + return simple_read_from_buffer(userbuf, count, ppos, buf, len); } -static int __init iio_init(void) +static ssize_t iio_debugfs_write_reg(struct file *file, + const char __user *userbuf, size_t count, loff_t *ppos) { + struct iio_dev *indio_dev = file->private_data; + unsigned reg, val; + char buf[80]; int ret; - /* Register sysfs bus */ - ret = bus_register(&iio_bus_type); - if (ret < 0) { - printk(KERN_ERR - "%s could not register bus type\n", - __FILE__); - goto error_nothing; + count = min_t(size_t, count, (sizeof(buf)-1)); + if (copy_from_user(buf, userbuf, count)) + return -EFAULT; + + buf[count] = 0; + + ret = sscanf(buf, "%i %i", ®, &val); + + switch (ret) { + case 1: + indio_dev->cached_reg_addr = reg; + break; + case 2: + indio_dev->cached_reg_addr = reg; + ret = indio_dev->info->debugfs_reg_access(indio_dev, reg, + val, NULL); + if (ret) { + dev_err(indio_dev->dev.parent, "%s: write failed\n", + __func__); + return ret; + } + break; + default: + return -EINVAL; } - ret = alloc_chrdev_region(&iio_devt, 0, IIO_DEV_MAX, "iio"); - if (ret < 0) { - printk(KERN_ERR "%s: failed to allocate char dev region\n", - __FILE__); - goto error_unregister_bus_type; + return count; +} + +static const struct file_operations iio_debugfs_reg_fops = { + .open = iio_debugfs_open, + .read = iio_debugfs_read_reg, + .write = iio_debugfs_write_reg, +}; + +static void iio_device_unregister_debugfs(struct iio_dev *indio_dev) +{ + debugfs_remove_recursive(indio_dev->debugfs_dentry); +} + +static int iio_device_register_debugfs(struct iio_dev *indio_dev) +{ + struct dentry *d; + + if (indio_dev->info->debugfs_reg_access == NULL) + return 0; + + if (IS_ERR(iio_debugfs_dentry)) + return 0; + + indio_dev->debugfs_dentry = + debugfs_create_dir(dev_name(&indio_dev->dev), + iio_debugfs_dentry); + if (IS_ERR(indio_dev->debugfs_dentry)) + return PTR_ERR(indio_dev->debugfs_dentry); + + if (indio_dev->debugfs_dentry == NULL) { + dev_warn(indio_dev->dev.parent, + "Failed to create debugfs directory\n"); + return -EFAULT; + } + + d = debugfs_create_file("direct_reg_access", 0644, + indio_dev->debugfs_dentry, + indio_dev, &iio_debugfs_reg_fops); + if (!d) { + iio_device_unregister_debugfs(indio_dev); + return -ENOMEM; } return 0; +} +#else +static int iio_device_register_debugfs(struct iio_dev *indio_dev) +{ + return 0; +} -error_unregister_bus_type: - bus_unregister(&iio_bus_type); -error_nothing: - return ret; +static void iio_device_unregister_debugfs(struct iio_dev *indio_dev) +{ } +#endif /* CONFIG_DEBUG_FS */ -static void __exit iio_exit(void) +static ssize_t iio_read_channel_ext_info(struct device *dev, + struct device_attribute *attr, + char *buf) { - if (iio_devt) - unregister_chrdev_region(iio_devt, IIO_DEV_MAX); - bus_unregister(&iio_bus_type); + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); + const struct iio_chan_spec_ext_info *ext_info; + + ext_info = &this_attr->c->ext_info[this_attr->address]; + + return ext_info->read(indio_dev, this_attr->c, buf); +} + +static ssize_t iio_write_channel_ext_info(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); + const struct iio_chan_spec_ext_info *ext_info; + + ext_info = &this_attr->c->ext_info[this_attr->address]; + + return ext_info->write(indio_dev, this_attr->c, buf, len); } static ssize_t iio_read_channel_info(struct device *dev, @@ -455,7 +439,7 @@ int __iio_device_attr_init(struct device_attribute *dev_attr, goto error_ret; } - if (chan->differential) { /* Differential can not have modifier */ + if (chan->differential) { /* Differential can not have modifier */ if (generic) name_format = kasprintf(GFP_KERNEL, "%s_%s-%s_%s", @@ -592,6 +576,7 @@ static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev, struct iio_chan_spec const *chan) { int ret, i, attrcount = 0; + const struct iio_chan_spec_ext_info *ext_info; if (chan->channel < 0) return 0; @@ -626,6 +611,31 @@ static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev, goto error_ret; attrcount++; } + + if (chan->ext_info) { + unsigned int i = 0; + for (ext_info = chan->ext_info; ext_info->name; ext_info++) { + ret = __iio_add_chan_devattr(ext_info->name, + chan, + ext_info->read ? + &iio_read_channel_ext_info : NULL, + ext_info->write ? + &iio_write_channel_ext_info : NULL, + i, + ext_info->shared, + &indio_dev->dev, + &indio_dev->channel_attr_list); + i++; + if (ret == -EBUSY && ext_info->shared) + continue; + + if (ret) + goto error_ret; + + attrcount++; + } + } + ret = attrcount; error_ret: return ret; @@ -663,7 +673,7 @@ static int iio_device_register_sysfs(struct iio_dev *indio_dev) attrcount = attrcount_orig; /* * New channel registration method - relies on the fact a group does - * not need to be initialized if it is name is NULL. + * not need to be initialized if it is name is NULL. */ INIT_LIST_HEAD(&indio_dev->channel_attr_list); if (indio_dev->channels) @@ -726,295 +736,6 @@ static void iio_device_unregister_sysfs(struct iio_dev *indio_dev) kfree(indio_dev->chan_attr_group.attrs); } -static const char * const iio_ev_type_text[] = { - [IIO_EV_TYPE_THRESH] = "thresh", - [IIO_EV_TYPE_MAG] = "mag", - [IIO_EV_TYPE_ROC] = "roc", - [IIO_EV_TYPE_THRESH_ADAPTIVE] = "thresh_adaptive", - [IIO_EV_TYPE_MAG_ADAPTIVE] = "mag_adaptive", -}; - -static const char * const iio_ev_dir_text[] = { - [IIO_EV_DIR_EITHER] = "either", - [IIO_EV_DIR_RISING] = "rising", - [IIO_EV_DIR_FALLING] = "falling" -}; - -static ssize_t iio_ev_state_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int ret; - bool val; - - ret = strtobool(buf, &val); - if (ret < 0) - return ret; - - ret = indio_dev->info->write_event_config(indio_dev, - this_attr->address, - val); - return (ret < 0) ? ret : len; -} - -static ssize_t iio_ev_state_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int val = indio_dev->info->read_event_config(indio_dev, - this_attr->address); - - if (val < 0) - return val; - else - return sprintf(buf, "%d\n", val); -} - -static ssize_t iio_ev_value_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int val, ret; - - ret = indio_dev->info->read_event_value(indio_dev, - this_attr->address, &val); - if (ret < 0) - return ret; - - return sprintf(buf, "%d\n", val); -} - -static ssize_t iio_ev_value_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - unsigned long val; - int ret; - - if (!indio_dev->info->write_event_value) - return -EINVAL; - - ret = strict_strtoul(buf, 10, &val); - if (ret) - return ret; - - ret = indio_dev->info->write_event_value(indio_dev, this_attr->address, - val); - if (ret < 0) - return ret; - - return len; -} - -static int iio_device_add_event_sysfs(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan) -{ - int ret = 0, i, attrcount = 0; - u64 mask = 0; - char *postfix; - if (!chan->event_mask) - return 0; - - for_each_set_bit(i, &chan->event_mask, sizeof(chan->event_mask)*8) { - postfix = kasprintf(GFP_KERNEL, "%s_%s_en", - iio_ev_type_text[i/IIO_EV_DIR_MAX], - iio_ev_dir_text[i%IIO_EV_DIR_MAX]); - if (postfix == NULL) { - ret = -ENOMEM; - goto error_ret; - } - if (chan->modified) - mask = IIO_MOD_EVENT_CODE(chan->type, 0, chan->channel, - i/IIO_EV_DIR_MAX, - i%IIO_EV_DIR_MAX); - else if (chan->differential) - mask = IIO_EVENT_CODE(chan->type, - 0, 0, - i%IIO_EV_DIR_MAX, - i/IIO_EV_DIR_MAX, - 0, - chan->channel, - chan->channel2); - else - mask = IIO_UNMOD_EVENT_CODE(chan->type, - chan->channel, - i/IIO_EV_DIR_MAX, - i%IIO_EV_DIR_MAX); - - ret = __iio_add_chan_devattr(postfix, - chan, - &iio_ev_state_show, - iio_ev_state_store, - mask, - 0, - &indio_dev->dev, - &indio_dev->event_interface-> - dev_attr_list); - kfree(postfix); - if (ret) - goto error_ret; - attrcount++; - postfix = kasprintf(GFP_KERNEL, "%s_%s_value", - iio_ev_type_text[i/IIO_EV_DIR_MAX], - iio_ev_dir_text[i%IIO_EV_DIR_MAX]); - if (postfix == NULL) { - ret = -ENOMEM; - goto error_ret; - } - ret = __iio_add_chan_devattr(postfix, chan, - iio_ev_value_show, - iio_ev_value_store, - mask, - 0, - &indio_dev->dev, - &indio_dev->event_interface-> - dev_attr_list); - kfree(postfix); - if (ret) - goto error_ret; - attrcount++; - } - ret = attrcount; -error_ret: - return ret; -} - -static inline void __iio_remove_event_config_attrs(struct iio_dev *indio_dev) -{ - struct iio_dev_attr *p, *n; - list_for_each_entry_safe(p, n, - &indio_dev->event_interface-> - dev_attr_list, l) { - kfree(p->dev_attr.attr.name); - kfree(p); - } -} - -static inline int __iio_add_event_config_attrs(struct iio_dev *indio_dev) -{ - int j, ret, attrcount = 0; - - INIT_LIST_HEAD(&indio_dev->event_interface->dev_attr_list); - /* Dynically created from the channels array */ - for (j = 0; j < indio_dev->num_channels; j++) { - ret = iio_device_add_event_sysfs(indio_dev, - &indio_dev->channels[j]); - if (ret < 0) - goto error_clear_attrs; - attrcount += ret; - } - return attrcount; - -error_clear_attrs: - __iio_remove_event_config_attrs(indio_dev); - - return ret; -} - -static bool iio_check_for_dynamic_events(struct iio_dev *indio_dev) -{ - int j; - - for (j = 0; j < indio_dev->num_channels; j++) - if (indio_dev->channels[j].event_mask != 0) - return true; - return false; -} - -static void iio_setup_ev_int(struct iio_event_interface *ev_int) -{ - mutex_init(&ev_int->event_list_lock); - /* discussion point - make this variable? */ - ev_int->max_events = 10; - ev_int->current_events = 0; - INIT_LIST_HEAD(&ev_int->det_events); - init_waitqueue_head(&ev_int->wait); -} - -static const char *iio_event_group_name = "events"; -static int iio_device_register_eventset(struct iio_dev *indio_dev) -{ - struct iio_dev_attr *p; - int ret = 0, attrcount_orig = 0, attrcount, attrn; - struct attribute **attr; - - if (!(indio_dev->info->event_attrs || - iio_check_for_dynamic_events(indio_dev))) - return 0; - - indio_dev->event_interface = - kzalloc(sizeof(struct iio_event_interface), GFP_KERNEL); - if (indio_dev->event_interface == NULL) { - ret = -ENOMEM; - goto error_ret; - } - - iio_setup_ev_int(indio_dev->event_interface); - if (indio_dev->info->event_attrs != NULL) { - attr = indio_dev->info->event_attrs->attrs; - while (*attr++ != NULL) - attrcount_orig++; - } - attrcount = attrcount_orig; - if (indio_dev->channels) { - ret = __iio_add_event_config_attrs(indio_dev); - if (ret < 0) - goto error_free_setup_event_lines; - attrcount += ret; - } - - indio_dev->event_interface->group.name = iio_event_group_name; - indio_dev->event_interface->group.attrs = kcalloc(attrcount + 1, - sizeof(indio_dev->event_interface->group.attrs[0]), - GFP_KERNEL); - if (indio_dev->event_interface->group.attrs == NULL) { - ret = -ENOMEM; - goto error_free_setup_event_lines; - } - if (indio_dev->info->event_attrs) - memcpy(indio_dev->event_interface->group.attrs, - indio_dev->info->event_attrs->attrs, - sizeof(indio_dev->event_interface->group.attrs[0]) - *attrcount_orig); - attrn = attrcount_orig; - /* Add all elements from the list. */ - list_for_each_entry(p, - &indio_dev->event_interface->dev_attr_list, - l) - indio_dev->event_interface->group.attrs[attrn++] = - &p->dev_attr.attr; - indio_dev->groups[indio_dev->groupcounter++] = - &indio_dev->event_interface->group; - - return 0; - -error_free_setup_event_lines: - __iio_remove_event_config_attrs(indio_dev); - kfree(indio_dev->event_interface); -error_ret: - - return ret; -} - -static void iio_device_unregister_eventset(struct iio_dev *indio_dev) -{ - if (indio_dev->event_interface == NULL) - return; - __iio_remove_event_config_attrs(indio_dev); - kfree(indio_dev->event_interface->group.attrs); - kfree(indio_dev->event_interface); -} - static void iio_dev_release(struct device *device) { struct iio_dev *indio_dev = container_of(device, struct iio_dev, dev); @@ -1023,6 +744,7 @@ static void iio_dev_release(struct device *device) iio_device_unregister_trigger_consumer(indio_dev); iio_device_unregister_eventset(indio_dev); iio_device_unregister_sysfs(indio_dev); + iio_device_unregister_debugfs(indio_dev); } static struct device_type iio_dev_type = { @@ -1052,6 +774,7 @@ struct iio_dev *iio_allocate_device(int sizeof_priv) device_initialize(&dev->dev); dev_set_drvdata(&dev->dev, (void *)dev); mutex_init(&dev->mlock); + mutex_init(&dev->info_exist_lock); dev->id = ida_simple_get(&iio_ida, 0, 0, GFP_KERNEL); if (dev->id < 0) { @@ -1131,6 +854,8 @@ static const struct file_operations iio_buffer_fileops = { .compat_ioctl = iio_ioctl, }; +static const struct iio_buffer_setup_ops noop_ring_setup_ops; + int iio_device_register(struct iio_dev *indio_dev) { int ret; @@ -1138,11 +863,17 @@ int iio_device_register(struct iio_dev *indio_dev) /* configure elements for the chrdev */ indio_dev->dev.devt = MKDEV(MAJOR(iio_devt), indio_dev->id); + ret = iio_device_register_debugfs(indio_dev); + if (ret) { + dev_err(indio_dev->dev.parent, + "Failed to register debugfs interfaces\n"); + goto error_ret; + } ret = iio_device_register_sysfs(indio_dev); if (ret) { dev_err(indio_dev->dev.parent, "Failed to register sysfs interfaces\n"); - goto error_ret; + goto error_unreg_debugfs; } ret = iio_device_register_eventset(indio_dev); if (ret) { @@ -1153,6 +884,10 @@ int iio_device_register(struct iio_dev *indio_dev) if (indio_dev->modes & INDIO_BUFFER_TRIGGERED) iio_device_register_trigger_consumer(indio_dev); + if ((indio_dev->modes & INDIO_ALL_BUFFER_MODES) && + indio_dev->setup_ops == NULL) + indio_dev->setup_ops = &noop_ring_setup_ops; + ret = device_add(&indio_dev->dev); if (ret < 0) goto error_unreg_eventset; @@ -1169,6 +904,8 @@ error_unreg_eventset: iio_device_unregister_eventset(indio_dev); error_free_sysfs: iio_device_unregister_sysfs(indio_dev); +error_unreg_debugfs: + iio_device_unregister_debugfs(indio_dev); error_ret: return ret; } @@ -1176,6 +913,9 @@ EXPORT_SYMBOL(iio_device_register); void iio_device_unregister(struct iio_dev *indio_dev) { + mutex_lock(&indio_dev->info_exist_lock); + indio_dev->info = NULL; + mutex_unlock(&indio_dev->info_exist_lock); device_unregister(&indio_dev->dev); } EXPORT_SYMBOL(iio_device_unregister); diff --git a/drivers/staging/iio/industrialio-event.c b/drivers/staging/iio/industrialio-event.c new file mode 100644 index 00000000000..5fdf739e38f --- /dev/null +++ b/drivers/staging/iio/industrialio-event.c @@ -0,0 +1,453 @@ +/* Industrial I/O event handling + * + * Copyright (c) 2008 Jonathan Cameron + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * Based on elements of hwmon and input subsystems. + */ + +#include <linux/anon_inodes.h> +#include <linux/device.h> +#include <linux/fs.h> +#include <linux/kernel.h> +#include <linux/kfifo.h> +#include <linux/module.h> +#include <linux/poll.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/uaccess.h> +#include <linux/wait.h> +#include "iio.h" +#include "iio_core.h" +#include "sysfs.h" +#include "events.h" + +/** + * struct iio_event_interface - chrdev interface for an event line + * @wait: wait queue to allow blocking reads of events + * @det_events: list of detected events + * @dev_attr_list: list of event interface sysfs attribute + * @flags: file operations related flags including busy flag. + * @group: event interface sysfs attribute group + */ +struct iio_event_interface { + wait_queue_head_t wait; + DECLARE_KFIFO(det_events, struct iio_event_data, 16); + + struct list_head dev_attr_list; + unsigned long flags; + struct attribute_group group; +}; + +int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp) +{ + struct iio_event_interface *ev_int = indio_dev->event_interface; + struct iio_event_data ev; + int copied; + + /* Does anyone care? */ + spin_lock(&ev_int->wait.lock); + if (test_bit(IIO_BUSY_BIT_POS, &ev_int->flags)) { + + ev.id = ev_code; + ev.timestamp = timestamp; + + copied = kfifo_put(&ev_int->det_events, &ev); + if (copied != 0) + wake_up_locked_poll(&ev_int->wait, POLLIN); + } + spin_unlock(&ev_int->wait.lock); + + return 0; +} +EXPORT_SYMBOL(iio_push_event); + +/** + * iio_event_poll() - poll the event queue to find out if it has data + */ +static unsigned int iio_event_poll(struct file *filep, + struct poll_table_struct *wait) +{ + struct iio_event_interface *ev_int = filep->private_data; + unsigned int events = 0; + + poll_wait(filep, &ev_int->wait, wait); + + spin_lock(&ev_int->wait.lock); + if (!kfifo_is_empty(&ev_int->det_events)) + events = POLLIN | POLLRDNORM; + spin_unlock(&ev_int->wait.lock); + + return events; +} + +static ssize_t iio_event_chrdev_read(struct file *filep, + char __user *buf, + size_t count, + loff_t *f_ps) +{ + struct iio_event_interface *ev_int = filep->private_data; + unsigned int copied; + int ret; + + if (count < sizeof(struct iio_event_data)) + return -EINVAL; + + spin_lock(&ev_int->wait.lock); + if (kfifo_is_empty(&ev_int->det_events)) { + if (filep->f_flags & O_NONBLOCK) { + ret = -EAGAIN; + goto error_unlock; + } + /* Blocking on device; waiting for something to be there */ + ret = wait_event_interruptible_locked(ev_int->wait, + !kfifo_is_empty(&ev_int->det_events)); + if (ret) + goto error_unlock; + /* Single access device so no one else can get the data */ + } + + ret = kfifo_to_user(&ev_int->det_events, buf, count, &copied); + +error_unlock: + spin_unlock(&ev_int->wait.lock); + + return ret ? ret : copied; +} + +static int iio_event_chrdev_release(struct inode *inode, struct file *filep) +{ + struct iio_event_interface *ev_int = filep->private_data; + + spin_lock(&ev_int->wait.lock); + __clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); + /* + * In order to maintain a clean state for reopening, + * clear out any awaiting events. The mask will prevent + * any new __iio_push_event calls running. + */ + kfifo_reset_out(&ev_int->det_events); + spin_unlock(&ev_int->wait.lock); + + return 0; +} + +static const struct file_operations iio_event_chrdev_fileops = { + .read = iio_event_chrdev_read, + .poll = iio_event_poll, + .release = iio_event_chrdev_release, + .owner = THIS_MODULE, + .llseek = noop_llseek, +}; + +int iio_event_getfd(struct iio_dev *indio_dev) +{ + struct iio_event_interface *ev_int = indio_dev->event_interface; + int fd; + + if (ev_int == NULL) + return -ENODEV; + + spin_lock(&ev_int->wait.lock); + if (__test_and_set_bit(IIO_BUSY_BIT_POS, &ev_int->flags)) { + spin_unlock(&ev_int->wait.lock); + return -EBUSY; + } + spin_unlock(&ev_int->wait.lock); + fd = anon_inode_getfd("iio:event", + &iio_event_chrdev_fileops, ev_int, O_RDONLY); + if (fd < 0) { + spin_lock(&ev_int->wait.lock); + __clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); + spin_unlock(&ev_int->wait.lock); + } + return fd; +} + +static const char * const iio_ev_type_text[] = { + [IIO_EV_TYPE_THRESH] = "thresh", + [IIO_EV_TYPE_MAG] = "mag", + [IIO_EV_TYPE_ROC] = "roc", + [IIO_EV_TYPE_THRESH_ADAPTIVE] = "thresh_adaptive", + [IIO_EV_TYPE_MAG_ADAPTIVE] = "mag_adaptive", +}; + +static const char * const iio_ev_dir_text[] = { + [IIO_EV_DIR_EITHER] = "either", + [IIO_EV_DIR_RISING] = "rising", + [IIO_EV_DIR_FALLING] = "falling" +}; + +static ssize_t iio_ev_state_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); + int ret; + bool val; + + ret = strtobool(buf, &val); + if (ret < 0) + return ret; + + ret = indio_dev->info->write_event_config(indio_dev, + this_attr->address, + val); + return (ret < 0) ? ret : len; +} + +static ssize_t iio_ev_state_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); + int val = indio_dev->info->read_event_config(indio_dev, + this_attr->address); + + if (val < 0) + return val; + else + return sprintf(buf, "%d\n", val); +} + +static ssize_t iio_ev_value_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); + int val, ret; + + ret = indio_dev->info->read_event_value(indio_dev, + this_attr->address, &val); + if (ret < 0) + return ret; + + return sprintf(buf, "%d\n", val); +} + +static ssize_t iio_ev_value_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); + unsigned long val; + int ret; + + if (!indio_dev->info->write_event_value) + return -EINVAL; + + ret = strict_strtoul(buf, 10, &val); + if (ret) + return ret; + + ret = indio_dev->info->write_event_value(indio_dev, this_attr->address, + val); + if (ret < 0) + return ret; + + return len; +} + +static int iio_device_add_event_sysfs(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan) +{ + int ret = 0, i, attrcount = 0; + u64 mask = 0; + char *postfix; + if (!chan->event_mask) + return 0; + + for_each_set_bit(i, &chan->event_mask, sizeof(chan->event_mask)*8) { + postfix = kasprintf(GFP_KERNEL, "%s_%s_en", + iio_ev_type_text[i/IIO_EV_DIR_MAX], + iio_ev_dir_text[i%IIO_EV_DIR_MAX]); + if (postfix == NULL) { + ret = -ENOMEM; + goto error_ret; + } + if (chan->modified) + mask = IIO_MOD_EVENT_CODE(chan->type, 0, chan->channel, + i/IIO_EV_DIR_MAX, + i%IIO_EV_DIR_MAX); + else if (chan->differential) + mask = IIO_EVENT_CODE(chan->type, + 0, 0, + i%IIO_EV_DIR_MAX, + i/IIO_EV_DIR_MAX, + 0, + chan->channel, + chan->channel2); + else + mask = IIO_UNMOD_EVENT_CODE(chan->type, + chan->channel, + i/IIO_EV_DIR_MAX, + i%IIO_EV_DIR_MAX); + + ret = __iio_add_chan_devattr(postfix, + chan, + &iio_ev_state_show, + iio_ev_state_store, + mask, + 0, + &indio_dev->dev, + &indio_dev->event_interface-> + dev_attr_list); + kfree(postfix); + if (ret) + goto error_ret; + attrcount++; + postfix = kasprintf(GFP_KERNEL, "%s_%s_value", + iio_ev_type_text[i/IIO_EV_DIR_MAX], + iio_ev_dir_text[i%IIO_EV_DIR_MAX]); + if (postfix == NULL) { + ret = -ENOMEM; + goto error_ret; + } + ret = __iio_add_chan_devattr(postfix, chan, + iio_ev_value_show, + iio_ev_value_store, + mask, + 0, + &indio_dev->dev, + &indio_dev->event_interface-> + dev_attr_list); + kfree(postfix); + if (ret) + goto error_ret; + attrcount++; + } + ret = attrcount; +error_ret: + return ret; +} + +static inline void __iio_remove_event_config_attrs(struct iio_dev *indio_dev) +{ + struct iio_dev_attr *p, *n; + list_for_each_entry_safe(p, n, + &indio_dev->event_interface-> + dev_attr_list, l) { + kfree(p->dev_attr.attr.name); + kfree(p); + } +} + +static inline int __iio_add_event_config_attrs(struct iio_dev *indio_dev) +{ + int j, ret, attrcount = 0; + + INIT_LIST_HEAD(&indio_dev->event_interface->dev_attr_list); + /* Dynically created from the channels array */ + for (j = 0; j < indio_dev->num_channels; j++) { + ret = iio_device_add_event_sysfs(indio_dev, + &indio_dev->channels[j]); + if (ret < 0) + goto error_clear_attrs; + attrcount += ret; + } + return attrcount; + +error_clear_attrs: + __iio_remove_event_config_attrs(indio_dev); + + return ret; +} + +static bool iio_check_for_dynamic_events(struct iio_dev *indio_dev) +{ + int j; + + for (j = 0; j < indio_dev->num_channels; j++) + if (indio_dev->channels[j].event_mask != 0) + return true; + return false; +} + +static void iio_setup_ev_int(struct iio_event_interface *ev_int) +{ + INIT_KFIFO(ev_int->det_events); + init_waitqueue_head(&ev_int->wait); +} + +static const char *iio_event_group_name = "events"; +int iio_device_register_eventset(struct iio_dev *indio_dev) +{ + struct iio_dev_attr *p; + int ret = 0, attrcount_orig = 0, attrcount, attrn; + struct attribute **attr; + + if (!(indio_dev->info->event_attrs || + iio_check_for_dynamic_events(indio_dev))) + return 0; + + indio_dev->event_interface = + kzalloc(sizeof(struct iio_event_interface), GFP_KERNEL); + if (indio_dev->event_interface == NULL) { + ret = -ENOMEM; + goto error_ret; + } + + iio_setup_ev_int(indio_dev->event_interface); + if (indio_dev->info->event_attrs != NULL) { + attr = indio_dev->info->event_attrs->attrs; + while (*attr++ != NULL) + attrcount_orig++; + } + attrcount = attrcount_orig; + if (indio_dev->channels) { + ret = __iio_add_event_config_attrs(indio_dev); + if (ret < 0) + goto error_free_setup_event_lines; + attrcount += ret; + } + + indio_dev->event_interface->group.name = iio_event_group_name; + indio_dev->event_interface->group.attrs = kcalloc(attrcount + 1, + sizeof(indio_dev->event_interface->group.attrs[0]), + GFP_KERNEL); + if (indio_dev->event_interface->group.attrs == NULL) { + ret = -ENOMEM; + goto error_free_setup_event_lines; + } + if (indio_dev->info->event_attrs) + memcpy(indio_dev->event_interface->group.attrs, + indio_dev->info->event_attrs->attrs, + sizeof(indio_dev->event_interface->group.attrs[0]) + *attrcount_orig); + attrn = attrcount_orig; + /* Add all elements from the list. */ + list_for_each_entry(p, + &indio_dev->event_interface->dev_attr_list, + l) + indio_dev->event_interface->group.attrs[attrn++] = + &p->dev_attr.attr; + indio_dev->groups[indio_dev->groupcounter++] = + &indio_dev->event_interface->group; + + return 0; + +error_free_setup_event_lines: + __iio_remove_event_config_attrs(indio_dev); + kfree(indio_dev->event_interface); +error_ret: + + return ret; +} + +void iio_device_unregister_eventset(struct iio_dev *indio_dev) +{ + if (indio_dev->event_interface == NULL) + return; + __iio_remove_event_config_attrs(indio_dev); + kfree(indio_dev->event_interface->group.attrs); + kfree(indio_dev->event_interface); +} diff --git a/drivers/staging/iio/inkern.c b/drivers/staging/iio/inkern.c new file mode 100644 index 00000000000..de2c8ea6496 --- /dev/null +++ b/drivers/staging/iio/inkern.c @@ -0,0 +1,292 @@ +/* The industrial I/O core in kernel channel mapping + * + * Copyright (c) 2011 Jonathan Cameron + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ +#include <linux/err.h> +#include <linux/export.h> +#include <linux/slab.h> +#include <linux/mutex.h> + +#include "iio.h" +#include "iio_core.h" +#include "machine.h" +#include "driver.h" +#include "consumer.h" + +struct iio_map_internal { + struct iio_dev *indio_dev; + struct iio_map *map; + struct list_head l; +}; + +static LIST_HEAD(iio_map_list); +static DEFINE_MUTEX(iio_map_list_lock); + +int iio_map_array_register(struct iio_dev *indio_dev, struct iio_map *maps) +{ + int i = 0, ret = 0; + struct iio_map_internal *mapi; + + if (maps == NULL) + return 0; + + mutex_lock(&iio_map_list_lock); + while (maps[i].consumer_dev_name != NULL) { + mapi = kzalloc(sizeof(*mapi), GFP_KERNEL); + if (mapi == NULL) { + ret = -ENOMEM; + goto error_ret; + } + mapi->map = &maps[i]; + mapi->indio_dev = indio_dev; + list_add(&mapi->l, &iio_map_list); + i++; + } +error_ret: + mutex_unlock(&iio_map_list_lock); + + return ret; +} +EXPORT_SYMBOL_GPL(iio_map_array_register); + + +/* Assumes the exact same array (e.g. memory locations) + * used at unregistration as used at registration rather than + * more complex checking of contents. + */ +int iio_map_array_unregister(struct iio_dev *indio_dev, + struct iio_map *maps) +{ + int i = 0, ret = 0; + bool found_it; + struct iio_map_internal *mapi; + + if (maps == NULL) + return 0; + + mutex_lock(&iio_map_list_lock); + while (maps[i].consumer_dev_name != NULL) { + found_it = false; + list_for_each_entry(mapi, &iio_map_list, l) + if (&maps[i] == mapi->map) { + list_del(&mapi->l); + kfree(mapi); + found_it = true; + break; + } + if (found_it == false) { + ret = -ENODEV; + goto error_ret; + } + } +error_ret: + mutex_unlock(&iio_map_list_lock); + + return ret; +} +EXPORT_SYMBOL_GPL(iio_map_array_unregister); + +static const struct iio_chan_spec +*iio_chan_spec_from_name(const struct iio_dev *indio_dev, + const char *name) +{ + int i; + const struct iio_chan_spec *chan = NULL; + + for (i = 0; i < indio_dev->num_channels; i++) + if (indio_dev->channels[i].datasheet_name && + strcmp(name, indio_dev->channels[i].datasheet_name) == 0) { + chan = &indio_dev->channels[i]; + break; + } + return chan; +} + + +struct iio_channel *iio_st_channel_get(const char *name, + const char *channel_name) +{ + struct iio_map_internal *c_i = NULL, *c = NULL; + struct iio_channel *channel; + + if (name == NULL && channel_name == NULL) + return ERR_PTR(-ENODEV); + + /* first find matching entry the channel map */ + mutex_lock(&iio_map_list_lock); + list_for_each_entry(c_i, &iio_map_list, l) { + if ((name && strcmp(name, c_i->map->consumer_dev_name) != 0) || + (channel_name && + strcmp(channel_name, c_i->map->consumer_channel) != 0)) + continue; + c = c_i; + get_device(&c->indio_dev->dev); + break; + } + mutex_unlock(&iio_map_list_lock); + if (c == NULL) + return ERR_PTR(-ENODEV); + + channel = kmalloc(sizeof(*channel), GFP_KERNEL); + if (channel == NULL) + return ERR_PTR(-ENOMEM); + + channel->indio_dev = c->indio_dev; + + if (c->map->adc_channel_label) + channel->channel = + iio_chan_spec_from_name(channel->indio_dev, + c->map->adc_channel_label); + + return channel; +} +EXPORT_SYMBOL_GPL(iio_st_channel_get); + +void iio_st_channel_release(struct iio_channel *channel) +{ + put_device(&channel->indio_dev->dev); + kfree(channel); +} +EXPORT_SYMBOL_GPL(iio_st_channel_release); + +struct iio_channel *iio_st_channel_get_all(const char *name) +{ + struct iio_channel *chans; + struct iio_map_internal *c = NULL; + int nummaps = 0; + int mapind = 0; + int i, ret; + + if (name == NULL) + return ERR_PTR(-EINVAL); + + mutex_lock(&iio_map_list_lock); + /* first count the matching maps */ + list_for_each_entry(c, &iio_map_list, l) + if (name && strcmp(name, c->map->consumer_dev_name) != 0) + continue; + else + nummaps++; + + if (nummaps == 0) { + ret = -ENODEV; + goto error_ret; + } + + /* NULL terminated array to save passing size */ + chans = kzalloc(sizeof(*chans)*(nummaps + 1), GFP_KERNEL); + if (chans == NULL) { + ret = -ENOMEM; + goto error_ret; + } + + /* for each map fill in the chans element */ + list_for_each_entry(c, &iio_map_list, l) { + if (name && strcmp(name, c->map->consumer_dev_name) != 0) + continue; + chans[mapind].indio_dev = c->indio_dev; + chans[mapind].channel = + iio_chan_spec_from_name(chans[mapind].indio_dev, + c->map->adc_channel_label); + if (chans[mapind].channel == NULL) { + ret = -EINVAL; + put_device(&chans[mapind].indio_dev->dev); + goto error_free_chans; + } + get_device(&chans[mapind].indio_dev->dev); + mapind++; + } + mutex_unlock(&iio_map_list_lock); + if (mapind == 0) { + ret = -ENODEV; + goto error_free_chans; + } + return chans; + +error_free_chans: + for (i = 0; i < nummaps; i++) + if (chans[i].indio_dev) + put_device(&chans[i].indio_dev->dev); + kfree(chans); +error_ret: + mutex_unlock(&iio_map_list_lock); + + return ERR_PTR(ret); +} +EXPORT_SYMBOL_GPL(iio_st_channel_get_all); + +void iio_st_channel_release_all(struct iio_channel *channels) +{ + struct iio_channel *chan = &channels[0]; + + while (chan->indio_dev) { + put_device(&chan->indio_dev->dev); + chan++; + } + kfree(channels); +} +EXPORT_SYMBOL_GPL(iio_st_channel_release_all); + +int iio_st_read_channel_raw(struct iio_channel *chan, int *val) +{ + int val2, ret; + + mutex_lock(&chan->indio_dev->info_exist_lock); + if (chan->indio_dev->info == NULL) { + ret = -ENODEV; + goto err_unlock; + } + + ret = chan->indio_dev->info->read_raw(chan->indio_dev, chan->channel, + val, &val2, 0); +err_unlock: + mutex_unlock(&chan->indio_dev->info_exist_lock); + + return ret; +} +EXPORT_SYMBOL_GPL(iio_st_read_channel_raw); + +int iio_st_read_channel_scale(struct iio_channel *chan, int *val, int *val2) +{ + int ret; + + mutex_lock(&chan->indio_dev->info_exist_lock); + if (chan->indio_dev->info == NULL) { + ret = -ENODEV; + goto err_unlock; + } + + ret = chan->indio_dev->info->read_raw(chan->indio_dev, + chan->channel, + val, val2, + IIO_CHAN_INFO_SCALE); +err_unlock: + mutex_unlock(&chan->indio_dev->info_exist_lock); + + return ret; +} +EXPORT_SYMBOL_GPL(iio_st_read_channel_scale); + +int iio_st_get_channel_type(struct iio_channel *chan, + enum iio_chan_type *type) +{ + int ret = 0; + /* Need to verify underlying driver has not gone away */ + + mutex_lock(&chan->indio_dev->info_exist_lock); + if (chan->indio_dev->info == NULL) { + ret = -ENODEV; + goto err_unlock; + } + + *type = chan->channel->type; +err_unlock: + mutex_unlock(&chan->indio_dev->info_exist_lock); + + return ret; +} +EXPORT_SYMBOL_GPL(iio_st_get_channel_type); diff --git a/drivers/staging/iio/kfifo_buf.c b/drivers/staging/iio/kfifo_buf.c index e1e9c06cde4..9f3bd59c0e7 100644 --- a/drivers/staging/iio/kfifo_buf.c +++ b/drivers/staging/iio/kfifo_buf.c @@ -59,21 +59,6 @@ static struct attribute_group iio_kfifo_attribute_group = { .name = "buffer", }; -struct iio_buffer *iio_kfifo_allocate(struct iio_dev *indio_dev) -{ - struct iio_kfifo *kf; - - kf = kzalloc(sizeof *kf, GFP_KERNEL); - if (!kf) - return NULL; - kf->update_needed = true; - iio_buffer_init(&kf->buffer); - kf->buffer.attrs = &iio_kfifo_attribute_group; - - return &kf->buffer; -} -EXPORT_SYMBOL(iio_kfifo_allocate); - static int iio_get_bytes_per_datum_kfifo(struct iio_buffer *r) { return r->bytes_per_datum; @@ -104,12 +89,6 @@ static int iio_set_length_kfifo(struct iio_buffer *r, int length) return 0; } -void iio_kfifo_free(struct iio_buffer *r) -{ - kfree(iio_to_kfifo(r)); -} -EXPORT_SYMBOL(iio_kfifo_free); - static int iio_store_to_kfifo(struct iio_buffer *r, u8 *data, s64 timestamp) @@ -137,7 +116,7 @@ static int iio_read_first_n_kfifo(struct iio_buffer *r, return copied; } -const struct iio_buffer_access_funcs kfifo_access_funcs = { +static const struct iio_buffer_access_funcs kfifo_access_funcs = { .store_to = &iio_store_to_kfifo, .read_first_n = &iio_read_first_n_kfifo, .request_update = &iio_request_update_kfifo, @@ -146,6 +125,27 @@ const struct iio_buffer_access_funcs kfifo_access_funcs = { .get_length = &iio_get_length_kfifo, .set_length = &iio_set_length_kfifo, }; -EXPORT_SYMBOL(kfifo_access_funcs); + +struct iio_buffer *iio_kfifo_allocate(struct iio_dev *indio_dev) +{ + struct iio_kfifo *kf; + + kf = kzalloc(sizeof *kf, GFP_KERNEL); + if (!kf) + return NULL; + kf->update_needed = true; + iio_buffer_init(&kf->buffer); + kf->buffer.attrs = &iio_kfifo_attribute_group; + kf->buffer.access = &kfifo_access_funcs; + + return &kf->buffer; +} +EXPORT_SYMBOL(iio_kfifo_allocate); + +void iio_kfifo_free(struct iio_buffer *r) +{ + kfree(iio_to_kfifo(r)); +} +EXPORT_SYMBOL(iio_kfifo_free); MODULE_LICENSE("GPL"); diff --git a/drivers/staging/iio/kfifo_buf.h b/drivers/staging/iio/kfifo_buf.h index cc2bd9a1ccf..9f7da016af0 100644 --- a/drivers/staging/iio/kfifo_buf.h +++ b/drivers/staging/iio/kfifo_buf.h @@ -3,8 +3,6 @@ #include "iio.h" #include "buffer.h" -extern const struct iio_buffer_access_funcs kfifo_access_funcs; - struct iio_buffer *iio_kfifo_allocate(struct iio_dev *indio_dev); void iio_kfifo_free(struct iio_buffer *r); diff --git a/drivers/staging/iio/light/isl29018.c b/drivers/staging/iio/light/isl29018.c index 849d6a564af..38ec52b65df 100644 --- a/drivers/staging/iio/light/isl29018.c +++ b/drivers/staging/iio/light/isl29018.c @@ -592,11 +592,18 @@ static const struct i2c_device_id isl29018_id[] = { MODULE_DEVICE_TABLE(i2c, isl29018_id); +static const struct of_device_id isl29018_of_match[] = { + { .compatible = "invn,isl29018", }, + { }, +}; +MODULE_DEVICE_TABLE(of, isl29018_of_match); + static struct i2c_driver isl29018_driver = { .class = I2C_CLASS_HWMON, .driver = { .name = "isl29018", .owner = THIS_MODULE, + .of_match_table = isl29018_of_match, }, .probe = isl29018_probe, .remove = __devexit_p(isl29018_remove), diff --git a/drivers/staging/iio/light/tsl2563.c b/drivers/staging/iio/light/tsl2563.c index ffca85e81ef..546c95a4ea9 100644 --- a/drivers/staging/iio/light/tsl2563.c +++ b/drivers/staging/iio/light/tsl2563.c @@ -118,7 +118,7 @@ struct tsl2563_chip { struct delayed_work poweroff_work; /* Remember state for suspend and resume functions */ - pm_message_t state; + bool suspended; struct tsl2563_gainlevel_coeff const *gainlevel; @@ -315,7 +315,7 @@ static int tsl2563_get_adc(struct tsl2563_chip *chip) int retry = 1; int ret = 0; - if (chip->state.event != PM_EVENT_ON) + if (chip->suspended) goto out; if (!chip->int_enabled) { @@ -708,7 +708,6 @@ static int __devinit tsl2563_probe(struct i2c_client *client, struct tsl2563_chip *chip; struct tsl2563_platform_data *pdata = client->dev.platform_data; int err = 0; - int ret; u8 id = 0; indio_dev = iio_allocate_device(sizeof(*chip)); @@ -722,13 +721,15 @@ static int __devinit tsl2563_probe(struct i2c_client *client, err = tsl2563_detect(chip); if (err) { - dev_err(&client->dev, "device not found, error %d\n", -err); + dev_err(&client->dev, "detect error %d\n", -err); goto fail1; } err = tsl2563_read_id(chip, &id); - if (err) + if (err) { + dev_err(&client->dev, "read id error %d\n", -err); goto fail1; + } mutex_init(&chip->lock); @@ -751,40 +752,52 @@ static int __devinit tsl2563_probe(struct i2c_client *client, indio_dev->num_channels = ARRAY_SIZE(tsl2563_channels); indio_dev->dev.parent = &client->dev; indio_dev->modes = INDIO_DIRECT_MODE; + if (client->irq) indio_dev->info = &tsl2563_info; else indio_dev->info = &tsl2563_info_no_irq; + if (client->irq) { - ret = request_threaded_irq(client->irq, + err = request_threaded_irq(client->irq, NULL, &tsl2563_event_handler, IRQF_TRIGGER_RISING | IRQF_ONESHOT, "tsl2563_event", indio_dev); - if (ret) - goto fail2; + if (err) { + dev_err(&client->dev, "irq request error %d\n", -err); + goto fail1; + } } + err = tsl2563_configure(chip); - if (err) - goto fail3; + if (err) { + dev_err(&client->dev, "configure error %d\n", -err); + goto fail2; + } INIT_DELAYED_WORK(&chip->poweroff_work, tsl2563_poweroff_work); + /* The interrupt cannot yet be enabled so this is fine without lock */ schedule_delayed_work(&chip->poweroff_work, 5 * HZ); - ret = iio_device_register(indio_dev); - if (ret) + err = iio_device_register(indio_dev); + if (err) { + dev_err(&client->dev, "iio registration error %d\n", -err); goto fail3; + } return 0; + fail3: + cancel_delayed_work(&chip->poweroff_work); + flush_scheduled_work(); +fail2: if (client->irq) free_irq(client->irq, indio_dev); -fail2: - iio_free_device(indio_dev); fail1: - kfree(chip); + iio_free_device(indio_dev); return err; } @@ -810,9 +823,10 @@ static int tsl2563_remove(struct i2c_client *client) return 0; } -static int tsl2563_suspend(struct i2c_client *client, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int tsl2563_suspend(struct device *dev) { - struct tsl2563_chip *chip = i2c_get_clientdata(client); + struct tsl2563_chip *chip = i2c_get_clientdata(to_i2c_client(dev)); int ret; mutex_lock(&chip->lock); @@ -821,16 +835,16 @@ static int tsl2563_suspend(struct i2c_client *client, pm_message_t state) if (ret) goto out; - chip->state = state; + chip->suspended = true; out: mutex_unlock(&chip->lock); return ret; } -static int tsl2563_resume(struct i2c_client *client) +static int tsl2563_resume(struct device *dev) { - struct tsl2563_chip *chip = i2c_get_clientdata(client); + struct tsl2563_chip *chip = i2c_get_clientdata(to_i2c_client(dev)); int ret; mutex_lock(&chip->lock); @@ -843,13 +857,19 @@ static int tsl2563_resume(struct i2c_client *client) if (ret) goto out; - chip->state.event = PM_EVENT_ON; + chip->suspended = false; out: mutex_unlock(&chip->lock); return ret; } +static SIMPLE_DEV_PM_OPS(tsl2563_pm_ops, tsl2563_suspend, tsl2563_resume); +#define TSL2563_PM_OPS (&tsl2563_pm_ops) +#else +#define TSL2563_PM_OPS NULL +#endif + static const struct i2c_device_id tsl2563_id[] = { { "tsl2560", 0 }, { "tsl2561", 1 }, @@ -862,9 +882,8 @@ MODULE_DEVICE_TABLE(i2c, tsl2563_id); static struct i2c_driver tsl2563_i2c_driver = { .driver = { .name = "tsl2563", + .pm = TSL2563_PM_OPS, }, - .suspend = tsl2563_suspend, - .resume = tsl2563_resume, .probe = tsl2563_probe, .remove = __devexit_p(tsl2563_remove), .id_table = tsl2563_id, diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c index 5b6455a238d..8671d98e044 100644 --- a/drivers/staging/iio/light/tsl2583.c +++ b/drivers/staging/iio/light/tsl2583.c @@ -113,7 +113,7 @@ struct taos_lux { /* This structure is intentionally large to accommodate updates via sysfs. */ /* Sized to 11 = max 10 segments + 1 termination segment */ -/* Assumption is is one and only one type of glass used */ +/* Assumption is one and only one type of glass used */ static struct taos_lux taos_device_lux[11] = { { 9830, 8520, 15729 }, { 12452, 10807, 23344 }, @@ -884,9 +884,10 @@ fail2: return ret; } -static int taos_suspend(struct i2c_client *client, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int taos_suspend(struct device *dev) { - struct iio_dev *indio_dev = i2c_get_clientdata(client); + struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); struct tsl2583_chip *chip = iio_priv(indio_dev); int ret = 0; @@ -901,9 +902,9 @@ static int taos_suspend(struct i2c_client *client, pm_message_t state) return ret; } -static int taos_resume(struct i2c_client *client) +static int taos_resume(struct device *dev) { - struct iio_dev *indio_dev = i2c_get_clientdata(client); + struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); struct tsl2583_chip *chip = iio_priv(indio_dev); int ret = 0; @@ -916,6 +917,11 @@ static int taos_resume(struct i2c_client *client) return ret; } +static SIMPLE_DEV_PM_OPS(taos_pm_ops, taos_suspend, taos_resume); +#define TAOS_PM_OPS (&taos_pm_ops) +#else +#define TAOS_PM_OPS NULL +#endif static int __devexit taos_remove(struct i2c_client *client) { @@ -937,10 +943,9 @@ MODULE_DEVICE_TABLE(i2c, taos_idtable); static struct i2c_driver taos_driver = { .driver = { .name = "tsl2583", + .pm = TAOS_PM_OPS, }, .id_table = taos_idtable, - .suspend = taos_suspend, - .resume = taos_resume, .probe = taos_probe, .remove = __devexit_p(taos_remove), }; diff --git a/drivers/staging/iio/machine.h b/drivers/staging/iio/machine.h new file mode 100644 index 00000000000..0b1f19bfdc4 --- /dev/null +++ b/drivers/staging/iio/machine.h @@ -0,0 +1,24 @@ +/* + * Industrial I/O in kernel access map definitions for board files. + * + * Copyright (c) 2011 Jonathan Cameron + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +/** + * struct iio_map - description of link between consumer and device channels + * @adc_channel_label: Label used to identify the channel on the provider. + * This is matched against the datasheet_name element + * of struct iio_chan_spec. + * @consumer_dev_name: Name to uniquely identify the consumer device. + * @consumer_channel: Unique name used to idenitify the channel on the + * consumer side. + */ +struct iio_map { + const char *adc_channel_label; + const char *consumer_dev_name; + const char *consumer_channel; +}; diff --git a/drivers/staging/iio/magnetometer/ak8975.c b/drivers/staging/iio/magnetometer/ak8975.c index 3158f12cb05..d5ddac3d883 100644 --- a/drivers/staging/iio/magnetometer/ak8975.c +++ b/drivers/staging/iio/magnetometer/ak8975.c @@ -564,9 +564,17 @@ static const struct i2c_device_id ak8975_id[] = { MODULE_DEVICE_TABLE(i2c, ak8975_id); +static const struct of_device_id ak8975_of_match[] = { + { .compatible = "asahi-kasei,ak8975", }, + { .compatible = "ak8975", }, + { } +}; +MODULE_DEVICE_TABLE(of, ak8975_of_match); + static struct i2c_driver ak8975_driver = { .driver = { .name = "ak8975", + .of_match_table = ak8975_of_match, }, .probe = ak8975_probe, .remove = __devexit_p(ak8975_remove), diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c index f2e85a9cf19..91dd3da70cb 100644 --- a/drivers/staging/iio/magnetometer/hmc5843.c +++ b/drivers/staging/iio/magnetometer/hmc5843.c @@ -86,7 +86,7 @@ #define RATE_NOT_USED 0x07 /* - * Device Configutration + * Device Configuration */ #define CONF_NORMAL 0x00 #define CONF_POSITIVE_BIAS 0x01 @@ -142,7 +142,7 @@ static s32 hmc5843_configure(struct i2c_client *client, (operating_mode & 0x03)); } -/* Return the measurement value from the specified channel */ +/* Return the measurement value from the specified channel */ static int hmc5843_read_measurement(struct iio_dev *indio_dev, int address, int *val) @@ -169,7 +169,7 @@ static int hmc5843_read_measurement(struct iio_dev *indio_dev, /* * From the datasheet * 0 - Continuous-Conversion Mode: In continuous-conversion mode, the - * device continuously performs conversions an places the result in the + * device continuously performs conversions and places the result in the * data register. * * 1 - Single-Conversion Mode : device performs a single measurement, @@ -588,19 +588,26 @@ static int hmc5843_remove(struct i2c_client *client) return 0; } -static int hmc5843_suspend(struct i2c_client *client, pm_message_t mesg) +#ifdef CONFIG_PM_SLEEP +static int hmc5843_suspend(struct device *dev) { - hmc5843_configure(client, MODE_SLEEP); + hmc5843_configure(to_i2c_client(dev), MODE_SLEEP); return 0; } -static int hmc5843_resume(struct i2c_client *client) +static int hmc5843_resume(struct device *dev) { - struct hmc5843_data *data = i2c_get_clientdata(client); - hmc5843_configure(client, data->operating_mode); + struct hmc5843_data *data = i2c_get_clientdata(to_i2c_client(dev)); + hmc5843_configure(to_i2c_client(dev), data->operating_mode); return 0; } +static SIMPLE_DEV_PM_OPS(hmc5843_pm_ops, hmc5843_suspend, hmc5843_resume); +#define HMC5843_PM_OPS (&hmc5843_pm_ops) +#else +#define HMC5843_PM_OPS NULL +#endif + static const struct i2c_device_id hmc5843_id[] = { { "hmc5843", 0 }, { } @@ -610,14 +617,13 @@ MODULE_DEVICE_TABLE(i2c, hmc5843_id); static struct i2c_driver hmc5843_driver = { .driver = { .name = "hmc5843", + .pm = HMC5843_PM_OPS, }, .id_table = hmc5843_id, .probe = hmc5843_probe, .remove = hmc5843_remove, .detect = hmc5843_detect, .address_list = normal_i2c, - .suspend = hmc5843_suspend, - .resume = hmc5843_resume, }; module_i2c_driver(hmc5843_driver); diff --git a/drivers/staging/iio/meter/ade7758_ring.c b/drivers/staging/iio/meter/ade7758_ring.c index f29f2b278fe..c45b23bb122 100644 --- a/drivers/staging/iio/meter/ade7758_ring.c +++ b/drivers/staging/iio/meter/ade7758_ring.c @@ -85,7 +85,7 @@ static irqreturn_t ade7758_trigger_handler(int irq, void *p) /** * ade7758_ring_preenable() setup the parameters of the ring before enabling * - * The complex nature of the setting of the nuber of bytes per datum is due + * The complex nature of the setting of the number of bytes per datum is due * to this driver currently ensuring that the timestamp is stored at an 8 * byte boundary. **/ @@ -144,8 +144,6 @@ int ade7758_configure_ring(struct iio_dev *indio_dev) return ret; } - /* Effectively select the ring buffer implementation */ - indio_dev->buffer->access = &ring_sw_access_funcs; indio_dev->setup_ops = &ade7758_ring_setup_ops; indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, diff --git a/drivers/staging/iio/meter/meter.h b/drivers/staging/iio/meter/meter.h index 142c50d71fd..6a3db142363 100644 --- a/drivers/staging/iio/meter/meter.h +++ b/drivers/staging/iio/meter/meter.h @@ -362,7 +362,7 @@ #define IIO_EVENT_ATTR_CYCEND(_evlist, _show, _store, _mask) \ IIO_EVENT_ATTR_SH(cycend, _evlist, _show, _store, _mask) -/* on the rising and falling edge of the the voltage waveform */ +/* on the rising and falling edge of the voltage waveform */ #define IIO_EVENT_ATTR_ZERO_CROSS(_evlist, _show, _store, _mask) \ IIO_EVENT_ATTR_SH(zero_cross, _evlist, _show, _store, _mask) diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c index 3e24ec45585..b9945ec44fa 100644 --- a/drivers/staging/iio/ring_sw.c +++ b/drivers/staging/iio/ring_sw.c @@ -147,7 +147,7 @@ static int iio_read_first_n_sw_rb(struct iio_buffer *r, size_t data_available, buffer_size; /* A userspace program has probably made an error if it tries to - * read something that is not a whole number of bpds. + * read something that is not a whole number of bpds. * Return an error. */ if (n % ring->buf.bytes_per_datum) { @@ -229,7 +229,7 @@ static int iio_read_first_n_sw_rb(struct iio_buffer *r, /* setup the next read position */ /* Beware, this may fail due to concurrency fun and games. - * Possible that sufficient fill commands have run to push the read + * Possible that sufficient fill commands have run to push the read * pointer past where we would be after the rip. If this occurs, leave * it be. */ @@ -329,6 +329,16 @@ static struct attribute_group iio_ring_attribute_group = { .name = "buffer", }; +static const struct iio_buffer_access_funcs ring_sw_access_funcs = { + .store_to = &iio_store_to_sw_rb, + .read_first_n = &iio_read_first_n_sw_rb, + .request_update = &iio_request_update_sw_rb, + .get_bytes_per_datum = &iio_get_bytes_per_datum_sw_rb, + .set_bytes_per_datum = &iio_set_bytes_per_datum_sw_rb, + .get_length = &iio_get_length_sw_rb, + .set_length = &iio_set_length_sw_rb, +}; + struct iio_buffer *iio_sw_rb_allocate(struct iio_dev *indio_dev) { struct iio_buffer *buf; @@ -341,6 +351,7 @@ struct iio_buffer *iio_sw_rb_allocate(struct iio_dev *indio_dev) buf = &ring->buf; iio_buffer_init(buf); buf->attrs = &iio_ring_attribute_group; + buf->access = &ring_sw_access_funcs; return buf; } @@ -352,16 +363,5 @@ void iio_sw_rb_free(struct iio_buffer *r) } EXPORT_SYMBOL(iio_sw_rb_free); -const struct iio_buffer_access_funcs ring_sw_access_funcs = { - .store_to = &iio_store_to_sw_rb, - .read_first_n = &iio_read_first_n_sw_rb, - .request_update = &iio_request_update_sw_rb, - .get_bytes_per_datum = &iio_get_bytes_per_datum_sw_rb, - .set_bytes_per_datum = &iio_set_bytes_per_datum_sw_rb, - .get_length = &iio_get_length_sw_rb, - .set_length = &iio_set_length_sw_rb, -}; -EXPORT_SYMBOL(ring_sw_access_funcs); - MODULE_DESCRIPTION("Industrialio I/O software ring buffer"); MODULE_LICENSE("GPL"); diff --git a/drivers/staging/iio/ring_sw.h b/drivers/staging/iio/ring_sw.h index e6a6e2c4096..7556e212236 100644 --- a/drivers/staging/iio/ring_sw.h +++ b/drivers/staging/iio/ring_sw.h @@ -25,11 +25,6 @@ #define _IIO_RING_SW_H_ #include "buffer.h" -/** - * ring_sw_access_funcs - access functions for a software ring buffer - **/ -extern const struct iio_buffer_access_funcs ring_sw_access_funcs; - struct iio_buffer *iio_sw_rb_allocate(struct iio_dev *indio_dev); void iio_sw_rb_free(struct iio_buffer *ring); #endif /* _IIO_RING_SW_H_ */ diff --git a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c index 1cbb25dff8b..665653d79f0 100644 --- a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c +++ b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c @@ -232,17 +232,7 @@ static struct platform_driver iio_bfin_tmr_trigger_driver = { .remove = __devexit_p(iio_bfin_tmr_trigger_remove), }; -static int __init iio_bfin_tmr_trig_init(void) -{ - return platform_driver_register(&iio_bfin_tmr_trigger_driver); -} -module_init(iio_bfin_tmr_trig_init); - -static void __exit iio_bfin_tmr_trig_exit(void) -{ - platform_driver_unregister(&iio_bfin_tmr_trigger_driver); -} -module_exit(iio_bfin_tmr_trig_exit); +module_platform_driver(iio_bfin_tmr_trigger_driver); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); MODULE_DESCRIPTION("Blackfin system timer based trigger for the iio subsystem"); diff --git a/drivers/staging/iio/trigger/iio-trig-gpio.c b/drivers/staging/iio/trigger/iio-trig-gpio.c index f2a65598162..a3465947235 100644 --- a/drivers/staging/iio/trigger/iio-trig-gpio.c +++ b/drivers/staging/iio/trigger/iio-trig-gpio.c @@ -160,17 +160,7 @@ static struct platform_driver iio_gpio_trigger_driver = { }, }; -static int __init iio_gpio_trig_init(void) -{ - return platform_driver_register(&iio_gpio_trigger_driver); -} -module_init(iio_gpio_trig_init); - -static void __exit iio_gpio_trig_exit(void) -{ - platform_driver_unregister(&iio_gpio_trigger_driver); -} -module_exit(iio_gpio_trig_exit); +module_platform_driver(iio_gpio_trigger_driver); MODULE_AUTHOR("Jonathan Cameron <jic23@cam.ac.uk>"); MODULE_DESCRIPTION("Example gpio trigger for the iio subsystem"); diff --git a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c index bd7416b2c56..a80cf67bf84 100644 --- a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c +++ b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c @@ -195,18 +195,8 @@ static struct platform_driver iio_trig_periodic_rtc_driver = { }, }; -static int __init iio_trig_periodic_rtc_init(void) -{ - return platform_driver_register(&iio_trig_periodic_rtc_driver); -} - -static void __exit iio_trig_periodic_rtc_exit(void) -{ - return platform_driver_unregister(&iio_trig_periodic_rtc_driver); -} +module_platform_driver(iio_trig_periodic_rtc_driver); -module_init(iio_trig_periodic_rtc_init); -module_exit(iio_trig_periodic_rtc_exit); MODULE_AUTHOR("Jonathan Cameron <jic23@cam.ac.uk>"); MODULE_DESCRIPTION("Periodic realtime clock trigger for the iio subsystem"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/iio/types.h b/drivers/staging/iio/types.h index b7d26474ad0..0c321366690 100644 --- a/drivers/staging/iio/types.h +++ b/drivers/staging/iio/types.h @@ -46,4 +46,8 @@ enum iio_modifier { IIO_MOD_LIGHT_IR, }; +#define IIO_VAL_INT 1 +#define IIO_VAL_INT_PLUS_MICRO 2 +#define IIO_VAL_INT_PLUS_NANO 3 + #endif /* _IIO_TYPES_H_ */ diff --git a/drivers/staging/keucr/TODO b/drivers/staging/keucr/TODO index 1c48e40e2b2..d6da656eee1 100644 --- a/drivers/staging/keucr/TODO +++ b/drivers/staging/keucr/TODO @@ -9,4 +9,4 @@ TODO: - smcommon.h & smilsub.c: use kernel hweight8(), hweight16() Please send any patches for this driver to Al Cho <acho@novell.com> and -Greg Kroah-Hartman <gregkh@suse.de>. +Greg Kroah-Hartman <gregkh@linuxfoundation.org>. diff --git a/drivers/staging/line6/capture.c b/drivers/staging/line6/capture.c index 127f9524774..c85c5b6bffb 100644 --- a/drivers/staging/line6/capture.c +++ b/drivers/staging/line6/capture.c @@ -107,7 +107,7 @@ void line6_unlink_audio_in_urbs(struct snd_line6_pcm *line6pcm) Wait until unlinking of all currently active capture URBs has been finished. */ -static void wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm) +void line6_wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm) { int timeout = HZ; unsigned int i; @@ -134,7 +134,7 @@ static void wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm) void line6_unlink_wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm) { line6_unlink_audio_in_urbs(line6pcm); - wait_clear_audio_in_urbs(line6pcm); + line6_wait_clear_audio_in_urbs(line6pcm); } /* @@ -193,25 +193,6 @@ void line6_capture_check_period(struct snd_line6_pcm *line6pcm, int length) } } -int line6_alloc_capture_buffer(struct snd_line6_pcm *line6pcm) -{ - /* We may be invoked multiple times in a row so allocate once only */ - if (line6pcm->buffer_in) - return 0; - - line6pcm->buffer_in = - kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS * - line6pcm->max_packet_size, GFP_KERNEL); - - if (!line6pcm->buffer_in) { - dev_err(line6pcm->line6->ifcdev, - "cannot malloc capture buffer\n"); - return -ENOMEM; - } - - return 0; -} - void line6_free_capture_buffer(struct snd_line6_pcm *line6pcm) { kfree(line6pcm->buffer_in); @@ -273,9 +254,9 @@ static void audio_in_callback(struct urb *urb) line6pcm->prev_fsize = fsize; #ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE - if (!(line6pcm->flags & MASK_PCM_IMPULSE)) + if (!(line6pcm->flags & LINE6_BITS_PCM_IMPULSE)) #endif - if (test_bit(BIT_PCM_ALSA_CAPTURE, &line6pcm->flags) + if (test_bit(LINE6_INDEX_PCM_ALSA_CAPTURE_STREAM, &line6pcm->flags) && (fsize > 0)) line6_capture_copy(line6pcm, fbuf, fsize); } @@ -291,9 +272,9 @@ static void audio_in_callback(struct urb *urb) submit_audio_in_urb(line6pcm); #ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE - if (!(line6pcm->flags & MASK_PCM_IMPULSE)) + if (!(line6pcm->flags & LINE6_BITS_PCM_IMPULSE)) #endif - if (test_bit(BIT_PCM_ALSA_CAPTURE, &line6pcm->flags)) + if (test_bit(LINE6_INDEX_PCM_ALSA_CAPTURE_STREAM, &line6pcm->flags)) line6_capture_check_period(line6pcm, length); } } @@ -341,17 +322,17 @@ static int snd_line6_capture_hw_params(struct snd_pcm_substream *substream, } /* -- [FD] end */ - if ((line6pcm->flags & MASK_CAPTURE) == 0) { - ret = line6_alloc_capture_buffer(line6pcm); + ret = line6_pcm_acquire(line6pcm, LINE6_BIT_PCM_ALSA_CAPTURE_BUFFER); - if (ret < 0) - return ret; - } + if (ret < 0) + return ret; ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); - if (ret < 0) + if (ret < 0) { + line6_pcm_release(line6pcm, LINE6_BIT_PCM_ALSA_CAPTURE_BUFFER); return ret; + } line6pcm->period_in = params_period_bytes(hw_params); return 0; @@ -361,12 +342,7 @@ static int snd_line6_capture_hw_params(struct snd_pcm_substream *substream, static int snd_line6_capture_hw_free(struct snd_pcm_substream *substream) { struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream); - - if ((line6pcm->flags & MASK_CAPTURE) == 0) { - line6_unlink_wait_clear_audio_in_urbs(line6pcm); - line6_free_capture_buffer(line6pcm); - } - + line6_pcm_release(line6pcm, LINE6_BIT_PCM_ALSA_CAPTURE_BUFFER); return snd_pcm_lib_free_pages(substream); } @@ -380,7 +356,7 @@ int snd_line6_capture_trigger(struct snd_line6_pcm *line6pcm, int cmd) #ifdef CONFIG_PM case SNDRV_PCM_TRIGGER_RESUME: #endif - err = line6_pcm_start(line6pcm, MASK_PCM_ALSA_CAPTURE); + err = line6_pcm_acquire(line6pcm, LINE6_BIT_PCM_ALSA_CAPTURE_STREAM); if (err < 0) return err; @@ -391,7 +367,7 @@ int snd_line6_capture_trigger(struct snd_line6_pcm *line6pcm, int cmd) #ifdef CONFIG_PM case SNDRV_PCM_TRIGGER_SUSPEND: #endif - err = line6_pcm_stop(line6pcm, MASK_PCM_ALSA_CAPTURE); + err = line6_pcm_release(line6pcm, LINE6_BIT_PCM_ALSA_CAPTURE_STREAM); if (err < 0) return err; diff --git a/drivers/staging/line6/capture.h b/drivers/staging/line6/capture.h index 366cbaa7c88..4157bcb598a 100644 --- a/drivers/staging/line6/capture.h +++ b/drivers/staging/line6/capture.h @@ -19,7 +19,6 @@ extern struct snd_pcm_ops snd_line6_capture_ops; -extern int line6_alloc_capture_buffer(struct snd_line6_pcm *line6pcm); extern void line6_capture_copy(struct snd_line6_pcm *line6pcm, char *fbuf, int fsize); extern void line6_capture_check_period(struct snd_line6_pcm *line6pcm, @@ -30,6 +29,7 @@ extern int line6_submit_audio_in_all_urbs(struct snd_line6_pcm *line6pcm); extern void line6_unlink_audio_in_urbs(struct snd_line6_pcm *line6pcm); extern void line6_unlink_wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm); +extern void line6_wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm); extern int snd_line6_capture_trigger(struct snd_line6_pcm *line6pcm, int cmd); #endif diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c index 6a1959e16e0..e8023afd365 100644 --- a/drivers/staging/line6/driver.c +++ b/drivers/staging/line6/driver.c @@ -1346,7 +1346,7 @@ static void __exit line6_exit(void) if (line6pcm == NULL) continue; - line6_pcm_stop(line6pcm, ~0); + line6_pcm_release(line6pcm, ~0); } usb_deregister(&line6_driver); diff --git a/drivers/staging/line6/pcm.c b/drivers/staging/line6/pcm.c index 37675e66da8..90d2d4475cb 100644 --- a/drivers/staging/line6/pcm.c +++ b/drivers/staging/line6/pcm.c @@ -52,9 +52,9 @@ static ssize_t pcm_set_impulse_volume(struct device *dev, line6pcm->impulse_volume = value; if (value > 0) - line6_pcm_start(line6pcm, MASK_PCM_IMPULSE); + line6_pcm_acquire(line6pcm, LINE6_BITS_PCM_IMPULSE); else - line6_pcm_stop(line6pcm, MASK_PCM_IMPULSE); + line6_pcm_release(line6pcm, LINE6_BITS_PCM_IMPULSE); return count; } @@ -92,29 +92,43 @@ static bool test_flags(unsigned long flags0, unsigned long flags1, return ((flags0 & mask) == 0) && ((flags1 & mask) != 0); } -int line6_pcm_start(struct snd_line6_pcm *line6pcm, int channels) +int line6_pcm_acquire(struct snd_line6_pcm *line6pcm, int channels) { unsigned long flags_old = __sync_fetch_and_or(&line6pcm->flags, channels); unsigned long flags_new = flags_old | channels; + unsigned long flags_final = flags_old; int err = 0; line6pcm->prev_fbuf = NULL; - if (test_flags(flags_old, flags_new, MASK_CAPTURE)) { + if (test_flags(flags_old, flags_new, LINE6_BITS_CAPTURE_BUFFER)) { + /* We may be invoked multiple times in a row so allocate once only */ + if (!line6pcm->buffer_in) { + line6pcm->buffer_in = + kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS * + line6pcm->max_packet_size, GFP_KERNEL); + + if (!line6pcm->buffer_in) { + dev_err(line6pcm->line6->ifcdev, + "cannot malloc capture buffer\n"); + err = -ENOMEM; + goto pcm_acquire_error; + } + + flags_final |= channels & LINE6_BITS_CAPTURE_BUFFER; + } + } + + if (test_flags(flags_old, flags_new, LINE6_BITS_CAPTURE_STREAM)) { /* Waiting for completion of active URBs in the stop handler is a bug, we therefore report an error if capturing is restarted too soon. */ - if (line6pcm->active_urb_in | line6pcm->unlink_urb_in) + if (line6pcm->active_urb_in | line6pcm->unlink_urb_in) { + dev_err(line6pcm->line6->ifcdev, "Device not yet ready\n"); return -EBUSY; - - if (!(flags_new & MASK_PCM_ALSA_CAPTURE)) { - err = line6_alloc_capture_buffer(line6pcm); - - if (err < 0) - goto pcm_start_error; } line6pcm->count_in = 0; @@ -122,55 +136,78 @@ int line6_pcm_start(struct snd_line6_pcm *line6pcm, int channels) err = line6_submit_audio_in_all_urbs(line6pcm); if (err < 0) - goto pcm_start_error; + goto pcm_acquire_error; + + flags_final |= channels & LINE6_BITS_CAPTURE_STREAM; } - if (test_flags(flags_old, flags_new, MASK_PLAYBACK)) { - /* - See comment above regarding PCM restart. - */ - if (line6pcm->active_urb_out | line6pcm->unlink_urb_out) - return -EBUSY; + if (test_flags(flags_old, flags_new, LINE6_BITS_PLAYBACK_BUFFER)) { + /* We may be invoked multiple times in a row so allocate once only */ + if (!line6pcm->buffer_out) { + line6pcm->buffer_out = + kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS * + line6pcm->max_packet_size, GFP_KERNEL); + + if (!line6pcm->buffer_out) { + dev_err(line6pcm->line6->ifcdev, + "cannot malloc playback buffer\n"); + err = -ENOMEM; + goto pcm_acquire_error; + } - if (!(flags_new & MASK_PCM_ALSA_PLAYBACK)) { - err = line6_alloc_playback_buffer(line6pcm); + flags_final |= channels & LINE6_BITS_PLAYBACK_BUFFER; + } + } - if (err < 0) - goto pcm_start_error; + if (test_flags(flags_old, flags_new, LINE6_BITS_PLAYBACK_STREAM)) { + /* + See comment above regarding PCM restart. + */ + if (line6pcm->active_urb_out | line6pcm->unlink_urb_out) { + dev_err(line6pcm->line6->ifcdev, "Device not yet ready\n"); + return -EBUSY; } line6pcm->count_out = 0; err = line6_submit_audio_out_all_urbs(line6pcm); if (err < 0) - goto pcm_start_error; + goto pcm_acquire_error; + + flags_final |= channels & LINE6_BITS_PLAYBACK_STREAM; } return 0; -pcm_start_error: - __sync_fetch_and_and(&line6pcm->flags, ~channels); +pcm_acquire_error: + /* + If not all requested resources/streams could be obtained, release + those which were successfully obtained (if any). + */ + line6_pcm_release(line6pcm, flags_final & channels); return err; } -int line6_pcm_stop(struct snd_line6_pcm *line6pcm, int channels) +int line6_pcm_release(struct snd_line6_pcm *line6pcm, int channels) { unsigned long flags_old = __sync_fetch_and_and(&line6pcm->flags, ~channels); unsigned long flags_new = flags_old & ~channels; - if (test_flags(flags_new, flags_old, MASK_CAPTURE)) { + if (test_flags(flags_new, flags_old, LINE6_BITS_CAPTURE_STREAM)) line6_unlink_audio_in_urbs(line6pcm); - if (!(flags_old & MASK_PCM_ALSA_CAPTURE)) - line6_free_capture_buffer(line6pcm); + if (test_flags(flags_new, flags_old, LINE6_BITS_CAPTURE_BUFFER)) { + line6_wait_clear_audio_in_urbs(line6pcm); + line6_free_capture_buffer(line6pcm); } - if (test_flags(flags_new, flags_old, MASK_PLAYBACK)) { + if (test_flags(flags_new, flags_old, LINE6_BITS_PLAYBACK_STREAM)) line6_unlink_audio_out_urbs(line6pcm); - if (!(flags_old & MASK_PCM_ALSA_PLAYBACK)) - line6_free_playback_buffer(line6pcm); + if (test_flags(flags_new, flags_old, LINE6_BITS_PLAYBACK_BUFFER)) { + line6_wait_clear_audio_out_urbs(line6pcm); + line6_free_playback_buffer(line6pcm); } return 0; @@ -185,7 +222,7 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd) unsigned long flags; spin_lock_irqsave(&line6pcm->lock_trigger, flags); - clear_bit(BIT_PREPARED, &line6pcm->flags); + clear_bit(LINE6_INDEX_PREPARED, &line6pcm->flags); snd_pcm_group_for_each_entry(s, substream) { switch (s->stream) { @@ -498,13 +535,13 @@ int snd_line6_prepare(struct snd_pcm_substream *substream) switch (substream->stream) { case SNDRV_PCM_STREAM_PLAYBACK: - if ((line6pcm->flags & MASK_PLAYBACK) == 0) + if ((line6pcm->flags & LINE6_BITS_PLAYBACK_STREAM) == 0) line6_unlink_wait_clear_audio_out_urbs(line6pcm); break; case SNDRV_PCM_STREAM_CAPTURE: - if ((line6pcm->flags & MASK_CAPTURE) == 0) + if ((line6pcm->flags & LINE6_BITS_CAPTURE_STREAM) == 0) line6_unlink_wait_clear_audio_in_urbs(line6pcm); break; @@ -513,7 +550,7 @@ int snd_line6_prepare(struct snd_pcm_substream *substream) MISSING_CASE; } - if (!test_and_set_bit(BIT_PREPARED, &line6pcm->flags)) { + if (!test_and_set_bit(LINE6_INDEX_PREPARED, &line6pcm->flags)) { line6pcm->count_out = 0; line6pcm->pos_out = 0; line6pcm->pos_out_done = 0; diff --git a/drivers/staging/line6/pcm.h b/drivers/staging/line6/pcm.h index 55d8297dd3d..5210ec8dbe1 100644 --- a/drivers/staging/line6/pcm.h +++ b/drivers/staging/line6/pcm.h @@ -46,57 +46,131 @@ (line6pcm->pcm->streams[stream].substream) /* - PCM mode bits and masks. - "ALSA": operations triggered by applications via ALSA - "MONITOR": software monitoring - "IMPULSE": optional impulse response operation + PCM mode bits. + + There are several features of the Line6 USB driver which require PCM + data to be exchanged with the device: + *) PCM playback and capture via ALSA + *) software monitoring (for devices without hardware monitoring) + *) optional impulse response measurement + However, from the device's point of view, there is just a single + capture and playback stream, which must be shared between these + subsystems. It is therefore necessary to maintain the state of the + subsystems with respect to PCM usage. We define several constants of + the form LINE6_BIT_PCM_<subsystem>_<direction>_<resource> with the + following meanings: + *) <subsystem> is one of + -) ALSA: PCM playback and capture via ALSA + -) MONITOR: software monitoring + -) IMPULSE: optional impulse response measurement + *) <direction> is one of + -) PLAYBACK: audio output (from host to device) + -) CAPTURE: audio input (from device to host) + *) <resource> is one of + -) BUFFER: buffer required by PCM data stream + -) STREAM: actual PCM data stream + + The subsystems call line6_pcm_acquire() to acquire the (shared) + resources needed for a particular operation (e.g., allocate the buffer + for ALSA playback or start the capture stream for software monitoring). + When a resource is no longer needed, it is released by calling + line6_pcm_release(). Buffer allocation and stream startup are handled + separately to allow the ALSA kernel driver to perform them at + appropriate places (since the callback which starts a PCM stream is not + allowed to sleep). */ enum { - /* individual bits: */ - BIT_PCM_ALSA_PLAYBACK, - BIT_PCM_ALSA_CAPTURE, - BIT_PCM_MONITOR_PLAYBACK, - BIT_PCM_MONITOR_CAPTURE, + /* individual bit indices: */ + LINE6_INDEX_PCM_ALSA_PLAYBACK_BUFFER, + LINE6_INDEX_PCM_ALSA_PLAYBACK_STREAM, + LINE6_INDEX_PCM_ALSA_CAPTURE_BUFFER, + LINE6_INDEX_PCM_ALSA_CAPTURE_STREAM, + LINE6_INDEX_PCM_MONITOR_PLAYBACK_BUFFER, + LINE6_INDEX_PCM_MONITOR_PLAYBACK_STREAM, + LINE6_INDEX_PCM_MONITOR_CAPTURE_BUFFER, + LINE6_INDEX_PCM_MONITOR_CAPTURE_STREAM, #ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE - BIT_PCM_IMPULSE_PLAYBACK, - BIT_PCM_IMPULSE_CAPTURE, + LINE6_INDEX_PCM_IMPULSE_PLAYBACK_BUFFER, + LINE6_INDEX_PCM_IMPULSE_PLAYBACK_STREAM, + LINE6_INDEX_PCM_IMPULSE_CAPTURE_BUFFER, + LINE6_INDEX_PCM_IMPULSE_CAPTURE_STREAM, #endif - BIT_PAUSE_PLAYBACK, - BIT_PREPARED, - - /* individual masks: */ -/* *INDENT-OFF* */ - MASK_PCM_ALSA_PLAYBACK = 1 << BIT_PCM_ALSA_PLAYBACK, - MASK_PCM_ALSA_CAPTURE = 1 << BIT_PCM_ALSA_CAPTURE, - MASK_PCM_MONITOR_PLAYBACK = 1 << BIT_PCM_MONITOR_PLAYBACK, - MASK_PCM_MONITOR_CAPTURE = 1 << BIT_PCM_MONITOR_CAPTURE, + LINE6_INDEX_PAUSE_PLAYBACK, + LINE6_INDEX_PREPARED, + + /* individual bit masks: */ + LINE6_BIT(PCM_ALSA_PLAYBACK_BUFFER), + LINE6_BIT(PCM_ALSA_PLAYBACK_STREAM), + LINE6_BIT(PCM_ALSA_CAPTURE_BUFFER), + LINE6_BIT(PCM_ALSA_CAPTURE_STREAM), + LINE6_BIT(PCM_MONITOR_PLAYBACK_BUFFER), + LINE6_BIT(PCM_MONITOR_PLAYBACK_STREAM), + LINE6_BIT(PCM_MONITOR_CAPTURE_BUFFER), + LINE6_BIT(PCM_MONITOR_CAPTURE_STREAM), #ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE - MASK_PCM_IMPULSE_PLAYBACK = 1 << BIT_PCM_IMPULSE_PLAYBACK, - MASK_PCM_IMPULSE_CAPTURE = 1 << BIT_PCM_IMPULSE_CAPTURE, + LINE6_BIT(PCM_IMPULSE_PLAYBACK_BUFFER), + LINE6_BIT(PCM_IMPULSE_PLAYBACK_STREAM), + LINE6_BIT(PCM_IMPULSE_CAPTURE_BUFFER), + LINE6_BIT(PCM_IMPULSE_CAPTURE_STREAM), #endif - MASK_PAUSE_PLAYBACK = 1 << BIT_PAUSE_PLAYBACK, - MASK_PREPARED = 1 << BIT_PREPARED, -/* *INDENT-ON* */ + LINE6_BIT(PAUSE_PLAYBACK), + LINE6_BIT(PREPARED), - /* combined masks (by operation): */ - MASK_PCM_ALSA = MASK_PCM_ALSA_PLAYBACK | MASK_PCM_ALSA_CAPTURE, - MASK_PCM_MONITOR = MASK_PCM_MONITOR_PLAYBACK | MASK_PCM_MONITOR_CAPTURE, + /* combined bit masks (by operation): */ + LINE6_BITS_PCM_ALSA_BUFFER = + LINE6_BIT_PCM_ALSA_PLAYBACK_BUFFER | + LINE6_BIT_PCM_ALSA_CAPTURE_BUFFER, + + LINE6_BITS_PCM_ALSA_STREAM = + LINE6_BIT_PCM_ALSA_PLAYBACK_STREAM | + LINE6_BIT_PCM_ALSA_CAPTURE_STREAM, + + LINE6_BITS_PCM_MONITOR = + LINE6_BIT_PCM_MONITOR_PLAYBACK_BUFFER | + LINE6_BIT_PCM_MONITOR_PLAYBACK_STREAM | + LINE6_BIT_PCM_MONITOR_CAPTURE_BUFFER | + LINE6_BIT_PCM_MONITOR_CAPTURE_STREAM, + +#ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE + LINE6_BITS_PCM_IMPULSE = + LINE6_BIT_PCM_IMPULSE_PLAYBACK_BUFFER | + LINE6_BIT_PCM_IMPULSE_PLAYBACK_STREAM | + LINE6_BIT_PCM_IMPULSE_CAPTURE_BUFFER | + LINE6_BIT_PCM_IMPULSE_CAPTURE_STREAM, +#endif + + /* combined bit masks (by direction): */ + LINE6_BITS_PLAYBACK_BUFFER = +#ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE + LINE6_BIT_PCM_IMPULSE_PLAYBACK_BUFFER | +#endif + LINE6_BIT_PCM_ALSA_PLAYBACK_BUFFER | + LINE6_BIT_PCM_MONITOR_PLAYBACK_BUFFER , + + LINE6_BITS_PLAYBACK_STREAM = +#ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE + LINE6_BIT_PCM_IMPULSE_PLAYBACK_STREAM | +#endif + LINE6_BIT_PCM_ALSA_PLAYBACK_STREAM | + LINE6_BIT_PCM_MONITOR_PLAYBACK_STREAM , + + LINE6_BITS_CAPTURE_BUFFER = #ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE - MASK_PCM_IMPULSE = MASK_PCM_IMPULSE_PLAYBACK | MASK_PCM_IMPULSE_CAPTURE, + LINE6_BIT_PCM_IMPULSE_CAPTURE_BUFFER | #endif + LINE6_BIT_PCM_ALSA_CAPTURE_BUFFER | + LINE6_BIT_PCM_MONITOR_CAPTURE_BUFFER , - /* combined masks (by direction): */ + LINE6_BITS_CAPTURE_STREAM = #ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE - MASK_PLAYBACK = - MASK_PCM_ALSA_PLAYBACK | MASK_PCM_MONITOR_PLAYBACK | - MASK_PCM_IMPULSE_PLAYBACK, - MASK_CAPTURE = - MASK_PCM_ALSA_CAPTURE | MASK_PCM_MONITOR_CAPTURE | - MASK_PCM_IMPULSE_CAPTURE -#else - MASK_PLAYBACK = MASK_PCM_ALSA_PLAYBACK | MASK_PCM_MONITOR_PLAYBACK, - MASK_CAPTURE = MASK_PCM_ALSA_CAPTURE | MASK_PCM_MONITOR_CAPTURE + LINE6_BIT_PCM_IMPULSE_CAPTURE_STREAM | #endif + LINE6_BIT_PCM_ALSA_CAPTURE_STREAM | + LINE6_BIT_PCM_MONITOR_CAPTURE_STREAM, + + LINE6_BITS_STREAM = + LINE6_BITS_PLAYBACK_STREAM | + LINE6_BITS_CAPTURE_STREAM }; struct line6_pcm_properties { @@ -290,7 +364,7 @@ struct snd_line6_pcm { #endif /** - Several status bits (see BIT_*). + Several status bits (see LINE6_BIT_*). */ unsigned long flags; @@ -302,16 +376,7 @@ extern int line6_init_pcm(struct usb_line6 *line6, extern int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd); extern int snd_line6_prepare(struct snd_pcm_substream *substream); extern void line6_pcm_disconnect(struct snd_line6_pcm *line6pcm); -extern int line6_pcm_start(struct snd_line6_pcm *line6pcm, int channels); -extern int line6_pcm_stop(struct snd_line6_pcm *line6pcm, int channels); - -#define PRINT_FRAME_DIFF(op) { \ - static int diff_prev = 1000; \ - int diff = line6pcm->last_frame_out - line6pcm->last_frame_in; \ - if ((diff != diff_prev) && (abs(diff) < 100)) { \ - printk(KERN_INFO "%s frame diff = %d\n", op, diff); \ - diff_prev = diff; \ - } \ -} +extern int line6_pcm_acquire(struct snd_line6_pcm *line6pcm, int channels); +extern int line6_pcm_release(struct snd_line6_pcm *line6pcm, int channels); #endif diff --git a/drivers/staging/line6/playback.c b/drivers/staging/line6/playback.c index 4152db2328b..a0ab9d0493f 100644 --- a/drivers/staging/line6/playback.c +++ b/drivers/staging/line6/playback.c @@ -166,7 +166,7 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm) struct usb_iso_packet_descriptor *fout = &urb_out->iso_frame_desc[i]; - if (line6pcm->flags & MASK_CAPTURE) + if (line6pcm->flags & LINE6_BITS_CAPTURE_STREAM) fsize = line6pcm->prev_fsize; if (fsize == 0) { @@ -196,8 +196,8 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm) urb_out->transfer_buffer_length = urb_size; urb_out->context = line6pcm; - if (test_bit(BIT_PCM_ALSA_PLAYBACK, &line6pcm->flags) && - !test_bit(BIT_PAUSE_PLAYBACK, &line6pcm->flags)) { + if (test_bit(LINE6_INDEX_PCM_ALSA_PLAYBACK_STREAM, &line6pcm->flags) && + !test_bit(LINE6_INDEX_PAUSE_PLAYBACK, &line6pcm->flags)) { struct snd_pcm_runtime *runtime = get_substream(line6pcm, SNDRV_PCM_STREAM_PLAYBACK)->runtime; @@ -238,10 +238,10 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm) if (line6pcm->prev_fbuf != NULL) { #ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE - if (line6pcm->flags & MASK_PCM_IMPULSE) { + if (line6pcm->flags & LINE6_BITS_PCM_IMPULSE) { create_impulse_test_signal(line6pcm, urb_out, bytes_per_frame); - if (line6pcm->flags & MASK_PCM_ALSA_CAPTURE) { + if (line6pcm->flags & LINE6_BIT_PCM_ALSA_CAPTURE_STREAM) { line6_capture_copy(line6pcm, urb_out->transfer_buffer, urb_out-> @@ -254,8 +254,8 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm) if (! (line6pcm->line6-> properties->capabilities & LINE6_BIT_HWMON) -&& (line6pcm->flags & MASK_PLAYBACK) -&& (line6pcm->flags & MASK_CAPTURE)) + && (line6pcm->flags & LINE6_BITS_PLAYBACK_STREAM) + && (line6pcm->flags & LINE6_BITS_CAPTURE_STREAM)) add_monitor_signal(urb_out, line6pcm->prev_fbuf, line6pcm->volume_monitor, bytes_per_frame); @@ -321,7 +321,7 @@ void line6_unlink_audio_out_urbs(struct snd_line6_pcm *line6pcm) /* Wait until unlinking of all currently active playback URBs has been finished. */ -static void wait_clear_audio_out_urbs(struct snd_line6_pcm *line6pcm) +void line6_wait_clear_audio_out_urbs(struct snd_line6_pcm *line6pcm) { int timeout = HZ; unsigned int i; @@ -348,26 +348,7 @@ static void wait_clear_audio_out_urbs(struct snd_line6_pcm *line6pcm) void line6_unlink_wait_clear_audio_out_urbs(struct snd_line6_pcm *line6pcm) { line6_unlink_audio_out_urbs(line6pcm); - wait_clear_audio_out_urbs(line6pcm); -} - -int line6_alloc_playback_buffer(struct snd_line6_pcm *line6pcm) -{ - /* We may be invoked multiple times in a row so allocate once only */ - if (line6pcm->buffer_out) - return 0; - - line6pcm->buffer_out = - kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS * - line6pcm->max_packet_size, GFP_KERNEL); - - if (!line6pcm->buffer_out) { - dev_err(line6pcm->line6->ifcdev, - "cannot malloc playback buffer\n"); - return -ENOMEM; - } - - return 0; + line6_wait_clear_audio_out_urbs(line6pcm); } void line6_free_playback_buffer(struct snd_line6_pcm *line6pcm) @@ -407,7 +388,7 @@ static void audio_out_callback(struct urb *urb) spin_lock_irqsave(&line6pcm->lock_audio_out, flags); - if (test_bit(BIT_PCM_ALSA_PLAYBACK, &line6pcm->flags)) { + if (test_bit(LINE6_INDEX_PCM_ALSA_PLAYBACK_STREAM, &line6pcm->flags)) { struct snd_pcm_runtime *runtime = substream->runtime; line6pcm->pos_out_done += length / line6pcm->properties->bytes_per_frame; @@ -432,7 +413,7 @@ static void audio_out_callback(struct urb *urb) if (!shutdown) { submit_audio_out_urb(line6pcm); - if (test_bit(BIT_PCM_ALSA_PLAYBACK, &line6pcm->flags)) { + if (test_bit(LINE6_INDEX_PCM_ALSA_PLAYBACK_STREAM, &line6pcm->flags)) { line6pcm->bytes_out += length; if (line6pcm->bytes_out >= line6pcm->period_out) { line6pcm->bytes_out %= line6pcm->period_out; @@ -484,17 +465,17 @@ static int snd_line6_playback_hw_params(struct snd_pcm_substream *substream, } /* -- [FD] end */ - if ((line6pcm->flags & MASK_PLAYBACK) == 0) { - ret = line6_alloc_playback_buffer(line6pcm); + ret = line6_pcm_acquire(line6pcm, LINE6_BIT_PCM_ALSA_PLAYBACK_BUFFER); - if (ret < 0) - return ret; - } + if (ret < 0) + return ret; ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); - if (ret < 0) + if (ret < 0) { + line6_pcm_release(line6pcm, LINE6_BIT_PCM_ALSA_PLAYBACK_BUFFER); return ret; + } line6pcm->period_out = params_period_bytes(hw_params); return 0; @@ -504,12 +485,7 @@ static int snd_line6_playback_hw_params(struct snd_pcm_substream *substream, static int snd_line6_playback_hw_free(struct snd_pcm_substream *substream) { struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream); - - if ((line6pcm->flags & MASK_PLAYBACK) == 0) { - line6_unlink_wait_clear_audio_out_urbs(line6pcm); - line6_free_playback_buffer(line6pcm); - } - + line6_pcm_release(line6pcm, LINE6_BIT_PCM_ALSA_PLAYBACK_BUFFER); return snd_pcm_lib_free_pages(substream); } @@ -523,7 +499,7 @@ int snd_line6_playback_trigger(struct snd_line6_pcm *line6pcm, int cmd) #ifdef CONFIG_PM case SNDRV_PCM_TRIGGER_RESUME: #endif - err = line6_pcm_start(line6pcm, MASK_PCM_ALSA_PLAYBACK); + err = line6_pcm_acquire(line6pcm, LINE6_BIT_PCM_ALSA_PLAYBACK_STREAM); if (err < 0) return err; @@ -534,7 +510,7 @@ int snd_line6_playback_trigger(struct snd_line6_pcm *line6pcm, int cmd) #ifdef CONFIG_PM case SNDRV_PCM_TRIGGER_SUSPEND: #endif - err = line6_pcm_stop(line6pcm, MASK_PCM_ALSA_PLAYBACK); + err = line6_pcm_release(line6pcm, LINE6_BIT_PCM_ALSA_PLAYBACK_STREAM); if (err < 0) return err; @@ -542,11 +518,11 @@ int snd_line6_playback_trigger(struct snd_line6_pcm *line6pcm, int cmd) break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - set_bit(BIT_PAUSE_PLAYBACK, &line6pcm->flags); + set_bit(LINE6_INDEX_PAUSE_PLAYBACK, &line6pcm->flags); break; case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - clear_bit(BIT_PAUSE_PLAYBACK, &line6pcm->flags); + clear_bit(LINE6_INDEX_PAUSE_PLAYBACK, &line6pcm->flags); break; default: diff --git a/drivers/staging/line6/playback.h b/drivers/staging/line6/playback.h index 02487ff2453..743bd6f74c5 100644 --- a/drivers/staging/line6/playback.h +++ b/drivers/staging/line6/playback.h @@ -29,13 +29,13 @@ extern struct snd_pcm_ops snd_line6_playback_ops; -extern int line6_alloc_playback_buffer(struct snd_line6_pcm *line6pcm); extern int line6_create_audio_out_urbs(struct snd_line6_pcm *line6pcm); extern void line6_free_playback_buffer(struct snd_line6_pcm *line6pcm); extern int line6_submit_audio_out_all_urbs(struct snd_line6_pcm *line6pcm); extern void line6_unlink_audio_out_urbs(struct snd_line6_pcm *line6pcm); extern void line6_unlink_wait_clear_audio_out_urbs(struct snd_line6_pcm *line6pcm); +extern void line6_wait_clear_audio_out_urbs(struct snd_line6_pcm *line6pcm); extern int snd_line6_playback_trigger(struct snd_line6_pcm *line6pcm, int cmd); #endif diff --git a/drivers/staging/line6/toneport.c b/drivers/staging/line6/toneport.c index f31057830db..b754f69a29c 100644 --- a/drivers/staging/line6/toneport.c +++ b/drivers/staging/line6/toneport.c @@ -207,9 +207,9 @@ static int snd_toneport_monitor_put(struct snd_kcontrol *kcontrol, line6pcm->volume_monitor = ucontrol->value.integer.value[0]; if (line6pcm->volume_monitor > 0) - line6_pcm_start(line6pcm, MASK_PCM_MONITOR); + line6_pcm_acquire(line6pcm, LINE6_BITS_PCM_MONITOR); else - line6_pcm_stop(line6pcm, MASK_PCM_MONITOR); + line6_pcm_release(line6pcm, LINE6_BITS_PCM_MONITOR); return 1; } @@ -264,7 +264,7 @@ static void toneport_start_pcm(unsigned long arg) { struct usb_line6_toneport *toneport = (struct usb_line6_toneport *)arg; struct usb_line6 *line6 = &toneport->line6; - line6_pcm_start(line6->line6pcm, MASK_PCM_MONITOR); + line6_pcm_acquire(line6->line6pcm, LINE6_BITS_PCM_MONITOR); } /* control definition */ @@ -320,7 +320,9 @@ static void toneport_setup(struct usb_line6_toneport *toneport) /* initialize source select: */ switch (usbdev->descriptor.idProduct) { case LINE6_DEVID_TONEPORT_UX1: + case LINE6_DEVID_TONEPORT_UX2: case LINE6_DEVID_PODSTUDIO_UX1: + case LINE6_DEVID_PODSTUDIO_UX2: toneport_send_cmd(usbdev, toneport_source_info[toneport->source].code, 0x0000); @@ -363,7 +365,9 @@ static int toneport_try_init(struct usb_interface *interface, /* register source select control: */ switch (usbdev->descriptor.idProduct) { case LINE6_DEVID_TONEPORT_UX1: + case LINE6_DEVID_TONEPORT_UX2: case LINE6_DEVID_PODSTUDIO_UX1: + case LINE6_DEVID_PODSTUDIO_UX2: err = snd_ctl_add(line6->card, snd_ctl_new1(&toneport_control_source, @@ -442,7 +446,7 @@ void line6_toneport_disconnect(struct usb_interface *interface) struct snd_line6_pcm *line6pcm = toneport->line6.line6pcm; if (line6pcm != NULL) { - line6_pcm_stop(line6pcm, MASK_PCM_MONITOR); + line6_pcm_release(line6pcm, LINE6_BITS_PCM_MONITOR); line6_pcm_disconnect(line6pcm); } } diff --git a/drivers/staging/line6/usbdefs.h b/drivers/staging/line6/usbdefs.h index aff9e5caea4..353d59d77b0 100644 --- a/drivers/staging/line6/usbdefs.h +++ b/drivers/staging/line6/usbdefs.h @@ -39,31 +39,29 @@ #define LINE6_DEVID_TONEPORT_UX2 0x4142 #define LINE6_DEVID_VARIAX 0x534d -enum { - LINE6_ID_BASSPODXT, - LINE6_ID_BASSPODXTLIVE, - LINE6_ID_BASSPODXTPRO, - LINE6_ID_GUITARPORT, - LINE6_ID_POCKETPOD, - LINE6_ID_PODHD300, - LINE6_ID_PODHD500, - LINE6_ID_PODSTUDIO_GX, - LINE6_ID_PODSTUDIO_UX1, - LINE6_ID_PODSTUDIO_UX2, - LINE6_ID_PODX3, - LINE6_ID_PODX3LIVE, - LINE6_ID_PODXT, - LINE6_ID_PODXTLIVE, - LINE6_ID_PODXTPRO, - LINE6_ID_TONEPORT_GX, - LINE6_ID_TONEPORT_UX1, - LINE6_ID_TONEPORT_UX2, - LINE6_ID_VARIAX -}; - -#define LINE6_BIT(x) LINE6_BIT_ ## x = 1 << LINE6_ID_ ## x +#define LINE6_BIT(x) LINE6_BIT_ ## x = 1 << LINE6_INDEX_ ## x enum { + LINE6_INDEX_BASSPODXT, + LINE6_INDEX_BASSPODXTLIVE, + LINE6_INDEX_BASSPODXTPRO, + LINE6_INDEX_GUITARPORT, + LINE6_INDEX_POCKETPOD, + LINE6_INDEX_PODHD300, + LINE6_INDEX_PODHD500, + LINE6_INDEX_PODSTUDIO_GX, + LINE6_INDEX_PODSTUDIO_UX1, + LINE6_INDEX_PODSTUDIO_UX2, + LINE6_INDEX_PODX3, + LINE6_INDEX_PODX3LIVE, + LINE6_INDEX_PODXT, + LINE6_INDEX_PODXTLIVE, + LINE6_INDEX_PODXTPRO, + LINE6_INDEX_TONEPORT_GX, + LINE6_INDEX_TONEPORT_UX1, + LINE6_INDEX_TONEPORT_UX2, + LINE6_INDEX_VARIAX, + LINE6_BIT(BASSPODXT), LINE6_BIT(BASSPODXTLIVE), LINE6_BIT(BASSPODXTPRO), diff --git a/drivers/staging/media/easycap/easycap_main.c b/drivers/staging/media/easycap/easycap_main.c index 8ff5f38ea19..3d439b790cc 100644 --- a/drivers/staging/media/easycap/easycap_main.c +++ b/drivers/staging/media/easycap/easycap_main.c @@ -3825,6 +3825,7 @@ static int easycap_usb_probe(struct usb_interface *intf, /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL); if (!pdata_urb) { + usb_free_urb(purb); SAM("ERROR: Could not allocate struct data_urb.\n"); return -ENOMEM; } diff --git a/drivers/staging/media/lirc/lirc_sasem.c b/drivers/staging/media/lirc/lirc_sasem.c index 7855baa18e7..74421043b95 100644 --- a/drivers/staging/media/lirc/lirc_sasem.c +++ b/drivers/staging/media/lirc/lirc_sasem.c @@ -90,11 +90,11 @@ static void __exit sasem_exit(void); struct sasem_context { struct usb_device *dev; - int vfd_isopen; /* VFD port has been opened */ - unsigned int vfd_contrast; /* VFD contrast */ - int ir_isopen; /* IR port has been opened */ - int dev_present; /* USB device presence */ - struct mutex ctx_lock; /* to lock this object */ + int vfd_isopen; /* VFD port has been opened */ + unsigned int vfd_contrast; /* VFD contrast */ + int ir_isopen; /* IR port has been opened */ + int dev_present; /* USB device presence */ + struct mutex ctx_lock; /* to lock this object */ wait_queue_head_t remove_ok; /* For unexpected USB disconnects */ struct lirc_driver *driver; @@ -106,10 +106,11 @@ struct sasem_context { unsigned char usb_tx_buf[8]; struct tx_t { - unsigned char data_buf[SASEM_DATA_BUF_SZ]; /* user data buffer */ + unsigned char data_buf[SASEM_DATA_BUF_SZ]; /* user data + * buffer */ struct completion finished; /* wait for write to finish */ - atomic_t busy; /* write in progress */ - int status; /* status of tx completion */ + atomic_t busy; /* write in progress */ + int status; /* status of tx completion */ } tx; /* for dealing with repeat codes (wish there was a toggle bit!) */ diff --git a/drivers/staging/mei/TODO b/drivers/staging/mei/TODO index 7d9a13b0f2d..fc266018355 100644 --- a/drivers/staging/mei/TODO +++ b/drivers/staging/mei/TODO @@ -3,5 +3,8 @@ TODO: Upon Unstaging: - move mei.h to include/linux/mei.h - Documentation/ioctl/ioctl-number.txt + - move mei.txt under Documentation/mei/ + - move mei-amt-version.c under Documentation/mei + - add hostprogs-y for mei-amt-version.c - drop mei_version.h - Updated MAINTAINERS diff --git a/drivers/staging/mei/hw.h b/drivers/staging/mei/hw.h index 9b9008cb693..24c4c962819 100644 --- a/drivers/staging/mei/hw.h +++ b/drivers/staging/mei/hw.h @@ -1,7 +1,7 @@ /* * * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2003-2011, Intel Corporation. + * Copyright (c) 2003-2012, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -141,6 +141,11 @@ access to ME_CBD */ #define HBM_MAJOR_VERSION 1 #define HBM_TIMEOUT 1 /* 1 second */ +/* Host bus message command opcode */ +#define MEI_HBM_CMD_OP_MSK 0x7f +/* Host bus message command RESPONSE */ +#define MEI_HBM_CMD_RES_MSK 0x80 + /* * MEI Bus Message Command IDs */ @@ -164,7 +169,7 @@ access to ME_CBD */ #define CLIENT_DISCONNECT_REQ_CMD 0x07 #define CLIENT_DISCONNECT_RES_CMD 0x87 -#define MEI_FLOW_CONTROL_CMD 0x08 +#define MEI_FLOW_CONTROL_CMD 0x08 /* * MEI Stop Reason @@ -213,15 +218,9 @@ struct mei_msg_hdr { } __packed; -struct hbm_cmd { - u8 cmd:7; - u8 is_response:1; -} __packed; - - struct mei_bus_message { - struct hbm_cmd cmd; - u8 command_specific_data[]; + u8 hbm_cmd; + u8 data[0]; } __packed; struct hbm_version { @@ -230,41 +229,41 @@ struct hbm_version { } __packed; struct hbm_host_version_request { - struct hbm_cmd cmd; + u8 hbm_cmd; u8 reserved; struct hbm_version host_version; } __packed; struct hbm_host_version_response { - struct hbm_cmd cmd; - int host_version_supported; + u8 hbm_cmd; + u8 host_version_supported; struct hbm_version me_max_version; } __packed; struct hbm_host_stop_request { - struct hbm_cmd cmd; + u8 hbm_cmd; u8 reason; u8 reserved[2]; } __packed; struct hbm_host_stop_response { - struct hbm_cmd cmd; + u8 hbm_cmd; u8 reserved[3]; } __packed; struct hbm_me_stop_request { - struct hbm_cmd cmd; + u8 hbm_cmd; u8 reason; u8 reserved[2]; } __packed; struct hbm_host_enum_request { - struct hbm_cmd cmd; + u8 hbm_cmd; u8 reserved[3]; } __packed; struct hbm_host_enum_response { - struct hbm_cmd cmd; + u8 hbm_cmd; u8 reserved[3]; u8 valid_addresses[32]; } __packed; @@ -279,14 +278,14 @@ struct mei_client_properties { } __packed; struct hbm_props_request { - struct hbm_cmd cmd; + u8 hbm_cmd; u8 address; u8 reserved[2]; } __packed; struct hbm_props_response { - struct hbm_cmd cmd; + u8 hbm_cmd; u8 address; u8 status; u8 reserved[1]; @@ -294,21 +293,21 @@ struct hbm_props_response { } __packed; struct hbm_client_connect_request { - struct hbm_cmd cmd; + u8 hbm_cmd; u8 me_addr; u8 host_addr; u8 reserved; } __packed; struct hbm_client_connect_response { - struct hbm_cmd cmd; + u8 hbm_cmd; u8 me_addr; u8 host_addr; u8 status; } __packed; struct hbm_client_disconnect_request { - struct hbm_cmd cmd; + u8 hbm_cmd; u8 me_addr; u8 host_addr; u8 reserved[1]; @@ -317,7 +316,7 @@ struct hbm_client_disconnect_request { #define MEI_FC_MESSAGE_RESERVED_LENGTH 5 struct hbm_flow_control { - struct hbm_cmd cmd; + u8 hbm_cmd; u8 me_addr; u8 host_addr; u8 reserved[MEI_FC_MESSAGE_RESERVED_LENGTH]; diff --git a/drivers/staging/mei/init.c b/drivers/staging/mei/init.c index 4ac3696883c..eab711fb5fc 100644 --- a/drivers/staging/mei/init.c +++ b/drivers/staging/mei/init.c @@ -1,7 +1,7 @@ /* * * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2003-2011, Intel Corporation. + * Copyright (c) 2003-2012, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -362,11 +362,11 @@ void mei_host_start_message(struct mei_device *dev) host_start_req = (struct hbm_host_version_request *) &dev->wr_msg_buf[1]; memset(host_start_req, 0, sizeof(struct hbm_host_version_request)); - host_start_req->cmd.cmd = HOST_START_REQ_CMD; + host_start_req->hbm_cmd = HOST_START_REQ_CMD; host_start_req->host_version.major_version = HBM_MAJOR_VERSION; host_start_req->host_version.minor_version = HBM_MINOR_VERSION; dev->recvd_msg = false; - if (!mei_write_message(dev, mei_hdr, (unsigned char *)host_start_req, + if (mei_write_message(dev, mei_hdr, (unsigned char *)host_start_req, mei_hdr->length)) { dev_dbg(&dev->pdev->dev, "write send version message to FW fail.\n"); dev->mei_state = MEI_RESETING; @@ -398,8 +398,8 @@ void mei_host_enum_clients_message(struct mei_device *dev) host_enum_req = (struct hbm_host_enum_request *) &dev->wr_msg_buf[1]; memset(host_enum_req, 0, sizeof(struct hbm_host_enum_request)); - host_enum_req->cmd.cmd = HOST_ENUM_REQ_CMD; - if (!mei_write_message(dev, mei_hdr, (unsigned char *)host_enum_req, + host_enum_req->hbm_cmd = HOST_ENUM_REQ_CMD; + if (mei_write_message(dev, mei_hdr, (unsigned char *)host_enum_req, mei_hdr->length)) { dev->mei_state = MEI_RESETING; dev_dbg(&dev->pdev->dev, "write send enumeration request message to FW fail.\n"); @@ -407,7 +407,7 @@ void mei_host_enum_clients_message(struct mei_device *dev) } dev->init_clients_state = MEI_ENUM_CLIENTS_MESSAGE; dev->init_clients_timer = INIT_CLIENTS_TIMEOUT; - return ; + return; } @@ -482,10 +482,10 @@ int mei_host_client_properties(struct mei_device *dev) memset(host_cli_req, 0, sizeof(struct hbm_props_request)); - host_cli_req->cmd.cmd = HOST_CLIENT_PROPERTIES_REQ_CMD; + host_cli_req->hbm_cmd = HOST_CLIENT_PROPERTIES_REQ_CMD; host_cli_req->address = b; - if (!mei_write_message(dev, mei_header, + if (mei_write_message(dev, mei_header, (unsigned char *)host_cli_req, mei_header->length)) { dev->mei_state = MEI_RESETING; @@ -608,7 +608,7 @@ void mei_host_init_iamthif(struct mei_device *dev) dev->iamthif_msg_buf = msg_buf; - if (!mei_connect(dev, &dev->iamthif_cl)) { + if (mei_connect(dev, &dev->iamthif_cl)) { dev_dbg(&dev->pdev->dev, "Failed to connect to AMTHI client\n"); dev->iamthif_cl.state = MEI_FILE_DISCONNECTED; dev->iamthif_cl.host_client_id = 0; @@ -670,14 +670,12 @@ int mei_disconnect_host_client(struct mei_device *dev, struct mei_cl *cl) if (dev->mei_host_buffer_is_empty) { dev->mei_host_buffer_is_empty = false; if (mei_disconnect(dev, cl)) { - mdelay(10); /* Wait for hardware disconnection ready */ - list_add_tail(&cb->cb_list, - &dev->ctrl_rd_list.mei_cb.cb_list); - } else { rets = -ENODEV; dev_dbg(&dev->pdev->dev, "failed to call mei_disconnect.\n"); goto free; } + mdelay(10); /* Wait for hardware disconnection ready */ + list_add_tail(&cb->cb_list, &dev->ctrl_rd_list.mei_cb.cb_list); } else { dev_dbg(&dev->pdev->dev, "add disconnect cb to control write list\n"); list_add_tail(&cb->cb_list, diff --git a/drivers/staging/mei/interface.c b/drivers/staging/mei/interface.c index eb5df7fc226..9a2cfafc52a 100644 --- a/drivers/staging/mei/interface.c +++ b/drivers/staging/mei/interface.c @@ -1,7 +1,7 @@ /* * * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2003-2011, Intel Corporation. + * Copyright (c) 2003-2012, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -125,7 +125,7 @@ int mei_count_empty_write_slots(struct mei_device *dev) * @write_buffer: message buffer will be written * @write_length: message size will be written * - * returns 1 if success, 0 - otherwise. + * This function returns -EIO if write has failed */ int mei_write_message(struct mei_device *dev, struct mei_msg_hdr *header, @@ -157,7 +157,7 @@ int mei_write_message(struct mei_device *dev, dw_to_write = ((write_length + 3) / 4); if (dw_to_write > empty_slots) - return 0; + return -EIO; mei_reg_write(dev, H_CB_WW, *((u32 *) header)); @@ -177,9 +177,9 @@ int mei_write_message(struct mei_device *dev, mei_hcsr_set(dev); dev->me_hw_state = mei_mecsr_read(dev); if ((dev->me_hw_state & ME_RDY_HRA) != ME_RDY_HRA) - return 0; + return -EIO; - return 1; + return 0; } /** @@ -215,26 +215,17 @@ int mei_count_full_read_slots(struct mei_device *dev) * @buffer: message buffer will be written * @buffer_length: message size will be read */ -void mei_read_slots(struct mei_device *dev, - unsigned char *buffer, unsigned long buffer_length) +void mei_read_slots(struct mei_device *dev, unsigned char *buffer, + unsigned long buffer_length) { - u32 i = 0; - unsigned char temp_buf[sizeof(u32)]; - - while (buffer_length >= sizeof(u32)) { - ((u32 *) buffer)[i] = mei_mecbrw_read(dev); + u32 *reg_buf = (u32 *)buffer; - dev_dbg(&dev->pdev->dev, - "buffer[%d]= %d\n", - i, ((u32 *) buffer)[i]); - - i++; - buffer_length -= sizeof(u32); - } + for (; buffer_length >= sizeof(u32); buffer_length -= sizeof(u32)) + *reg_buf++ = mei_mecbrw_read(dev); if (buffer_length > 0) { - *((u32 *) &temp_buf) = mei_mecbrw_read(dev); - memcpy(&buffer[i * 4], temp_buf, buffer_length); + u32 reg = mei_mecbrw_read(dev); + memcpy(reg_buf, ®, buffer_length); } dev->host_hw_state |= H_IG; @@ -284,7 +275,7 @@ int mei_flow_ctrl_creds(struct mei_device *dev, struct mei_cl *cl) * @returns * 0 on success * -ENOENT when me client is not found - * -EINVAL wehn ctrl credits are <= 0 + * -EINVAL when ctrl credits are <= 0 */ int mei_flow_ctrl_reduce(struct mei_device *dev, struct mei_cl *cl) { @@ -317,7 +308,7 @@ int mei_flow_ctrl_reduce(struct mei_device *dev, struct mei_cl *cl) * @dev: the device structure * @cl: private data of the file object * - * returns 1 if success, 0 - otherwise. + * This function returns -EIO on write failure */ int mei_send_flow_control(struct mei_device *dev, struct mei_cl *cl) { @@ -335,18 +326,15 @@ int mei_send_flow_control(struct mei_device *dev, struct mei_cl *cl) memset(mei_flow_control, 0, sizeof(*mei_flow_control)); mei_flow_control->host_addr = cl->host_client_id; mei_flow_control->me_addr = cl->me_client_id; - mei_flow_control->cmd.cmd = MEI_FLOW_CONTROL_CMD; + mei_flow_control->hbm_cmd = MEI_FLOW_CONTROL_CMD; memset(mei_flow_control->reserved, 0, sizeof(mei_flow_control->reserved)); dev_dbg(&dev->pdev->dev, "sending flow control host client = %d, ME client = %d\n", - cl->host_client_id, cl->me_client_id); - if (!mei_write_message(dev, mei_hdr, - (unsigned char *) mei_flow_control, - sizeof(struct hbm_flow_control))) - return 0; - - return 1; + cl->host_client_id, cl->me_client_id); + return mei_write_message(dev, mei_hdr, + (unsigned char *) mei_flow_control, + sizeof(struct hbm_flow_control)); } /** @@ -380,7 +368,7 @@ int mei_other_client_is_connecting(struct mei_device *dev, * @dev: the device structure * @cl: private data of the file object * - * returns 1 if success, 0 - otherwise. + * This function returns -EIO on write failure */ int mei_disconnect(struct mei_device *dev, struct mei_cl *cl) { @@ -399,15 +387,12 @@ int mei_disconnect(struct mei_device *dev, struct mei_cl *cl) memset(mei_cli_disconnect, 0, sizeof(*mei_cli_disconnect)); mei_cli_disconnect->host_addr = cl->host_client_id; mei_cli_disconnect->me_addr = cl->me_client_id; - mei_cli_disconnect->cmd.cmd = CLIENT_DISCONNECT_REQ_CMD; + mei_cli_disconnect->hbm_cmd = CLIENT_DISCONNECT_REQ_CMD; mei_cli_disconnect->reserved[0] = 0; - if (!mei_write_message(dev, mei_hdr, + return mei_write_message(dev, mei_hdr, (unsigned char *) mei_cli_disconnect, - sizeof(struct hbm_client_disconnect_request))) - return 0; - - return 1; + sizeof(struct hbm_client_disconnect_request)); } /** @@ -416,7 +401,7 @@ int mei_disconnect(struct mei_device *dev, struct mei_cl *cl) * @dev: the device structure * @cl: private data of the file object * - * returns 1 if success, 0 - otherwise. + * This function returns -EIO on write failure */ int mei_connect(struct mei_device *dev, struct mei_cl *cl) { @@ -434,13 +419,10 @@ int mei_connect(struct mei_device *dev, struct mei_cl *cl) (struct hbm_client_connect_request *) &dev->wr_msg_buf[1]; mei_cli_connect->host_addr = cl->host_client_id; mei_cli_connect->me_addr = cl->me_client_id; - mei_cli_connect->cmd.cmd = CLIENT_CONNECT_REQ_CMD; + mei_cli_connect->hbm_cmd = CLIENT_CONNECT_REQ_CMD; mei_cli_connect->reserved = 0; - if (!mei_write_message(dev, mei_hdr, + return mei_write_message(dev, mei_hdr, (unsigned char *) mei_cli_connect, - sizeof(struct hbm_client_connect_request))) - return 0; - - return 1; + sizeof(struct hbm_client_connect_request)); } diff --git a/drivers/staging/mei/interface.h b/drivers/staging/mei/interface.h index aeae511419c..fb90c6f8a75 100644 --- a/drivers/staging/mei/interface.h +++ b/drivers/staging/mei/interface.h @@ -1,7 +1,7 @@ /* * * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2003-2011, Intel Corporation. + * Copyright (c) 2003-2012, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -33,7 +33,8 @@ void mei_read_slots(struct mei_device *dev, - unsigned char *buffer, unsigned long buffer_length); + unsigned char *buffer, + unsigned long buffer_length); int mei_write_message(struct mei_device *dev, struct mei_msg_hdr *header, @@ -59,7 +60,7 @@ void mei_wd_set_start_timeout(struct mei_device *dev, u16 timeout); */ void mei_watchdog_register(struct mei_device *dev); /* - * mei_watchdog_unregister - Uegistering watchdog interface + * mei_watchdog_unregister - Unregistering watchdog interface * @dev - mei device */ void mei_watchdog_unregister(struct mei_device *dev); diff --git a/drivers/staging/mei/interrupt.c b/drivers/staging/mei/interrupt.c index 3544fee34e4..2007d2447b1 100644 --- a/drivers/staging/mei/interrupt.c +++ b/drivers/staging/mei/interrupt.c @@ -1,7 +1,7 @@ /* * * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2003-2011, Intel Corporation. + * Copyright (c) 2003-2012, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -123,8 +123,7 @@ static int mei_irq_thread_read_amthi_message(struct mei_io_list *complete_list, BUG_ON(mei_hdr->me_addr != dev->iamthif_cl.me_client_id); BUG_ON(dev->iamthif_state != MEI_IAMTHIF_READING); - buffer = (unsigned char *) (dev->iamthif_msg_buf + - dev->iamthif_msg_buf_index); + buffer = dev->iamthif_msg_buf + dev->iamthif_msg_buf_index; BUG_ON(dev->iamthif_mtu < dev->iamthif_msg_buf_index + mei_hdr->length); mei_read_slots(dev, buffer, mei_hdr->length); @@ -206,9 +205,7 @@ static int mei_irq_thread_read_client_message(struct mei_io_list *complete_list, cl = (struct mei_cl *)cb_pos->file_private; if (cl && _mei_irq_thread_state_ok(cl, mei_hdr)) { cl->reading_state = MEI_READING; - buffer = (unsigned char *) - (cb_pos->response_buffer.data + - cb_pos->information); + buffer = cb_pos->response_buffer.data + cb_pos->information; if (cb_pos->response_buffer.size < mei_hdr->length + cb_pos->information) { @@ -247,8 +244,7 @@ static int mei_irq_thread_read_client_message(struct mei_io_list *complete_list, quit: dev_dbg(&dev->pdev->dev, "message read\n"); if (!buffer) { - mei_read_slots(dev, (unsigned char *) dev->rd_msg_buf, - mei_hdr->length); + mei_read_slots(dev, dev->rd_msg_buf, mei_hdr->length); dev_dbg(&dev->pdev->dev, "discarding message, header =%08x.\n", *(u32 *) dev->rd_msg_buf); } @@ -267,26 +263,25 @@ quit: static int _mei_irq_thread_iamthif_read(struct mei_device *dev, s32 *slots) { - if (((*slots) * sizeof(u32)) >= (sizeof(struct mei_msg_hdr) + if (((*slots) * sizeof(u32)) < (sizeof(struct mei_msg_hdr) + sizeof(struct hbm_flow_control))) { - *slots -= (sizeof(struct mei_msg_hdr) + - sizeof(struct hbm_flow_control) + 3) / 4; - if (!mei_send_flow_control(dev, &dev->iamthif_cl)) { - dev_dbg(&dev->pdev->dev, "iamthif flow control failed\n"); - } else { - dev_dbg(&dev->pdev->dev, "iamthif flow control success\n"); - dev->iamthif_state = MEI_IAMTHIF_READING; - dev->iamthif_flow_control_pending = false; - dev->iamthif_msg_buf_index = 0; - dev->iamthif_msg_buf_size = 0; - dev->iamthif_stall_timer = IAMTHIF_STALL_TIMER; - dev->mei_host_buffer_is_empty = - mei_host_buffer_is_empty(dev); - } - return 0; - } else { return -EMSGSIZE; } + *slots -= (sizeof(struct mei_msg_hdr) + + sizeof(struct hbm_flow_control) + 3) / 4; + if (mei_send_flow_control(dev, &dev->iamthif_cl)) { + dev_dbg(&dev->pdev->dev, "iamthif flow control failed\n"); + return -EIO; + } + + dev_dbg(&dev->pdev->dev, "iamthif flow control success\n"); + dev->iamthif_state = MEI_IAMTHIF_READING; + dev->iamthif_flow_control_pending = false; + dev->iamthif_msg_buf_index = 0; + dev->iamthif_msg_buf_size = 0; + dev->iamthif_stall_timer = IAMTHIF_STALL_TIMER; + dev->mei_host_buffer_is_empty = mei_host_buffer_is_empty(dev); + return 0; } /** @@ -310,7 +305,7 @@ static int _mei_irq_thread_close(struct mei_device *dev, s32 *slots, *slots -= (sizeof(struct mei_msg_hdr) + sizeof(struct hbm_client_disconnect_request) + 3) / 4; - if (!mei_disconnect(dev, cl)) { + if (mei_disconnect(dev, cl)) { cl->status = 0; cb_pos->information = 0; list_move_tail(&cb_pos->cb_list, @@ -601,8 +596,7 @@ static void mei_client_disconnect_request(struct mei_device *dev, &dev->ext_msg_buf[1]; disconnect_res->host_addr = cl_pos->host_client_id; disconnect_res->me_addr = cl_pos->me_client_id; - *(u8 *) (&disconnect_res->cmd) = - CLIENT_DISCONNECT_RES_CMD; + disconnect_res->hbm_cmd = CLIENT_DISCONNECT_RES_CMD; disconnect_res->status = 0; dev->extra_write_index = 2; break; @@ -632,15 +626,13 @@ static void mei_irq_thread_read_bus_message(struct mei_device *dev, struct hbm_host_stop_request *host_stop_req; int res; - unsigned char *buffer; /* read the message to our buffer */ - buffer = (unsigned char *) dev->rd_msg_buf; BUG_ON(mei_hdr->length >= sizeof(dev->rd_msg_buf)); - mei_read_slots(dev, buffer, mei_hdr->length); - mei_msg = (struct mei_bus_message *) buffer; + mei_read_slots(dev, dev->rd_msg_buf, mei_hdr->length); + mei_msg = (struct mei_bus_message *)dev->rd_msg_buf; - switch (*(u8 *) mei_msg) { + switch (mei_msg->hbm_cmd) { case HOST_START_RES_CMD: version_res = (struct hbm_host_version_response *) mei_msg; if (version_res->host_version_supported) { @@ -659,6 +651,7 @@ static void mei_irq_thread_read_bus_message(struct mei_device *dev, } else { dev->version = version_res->me_max_version; /* send stop message */ + mei_hdr = (struct mei_msg_hdr *)&dev->wr_msg_buf[0]; mei_hdr->host_addr = 0; mei_hdr->me_addr = 0; mei_hdr->length = sizeof(struct hbm_host_stop_request); @@ -671,7 +664,7 @@ static void mei_irq_thread_read_bus_message(struct mei_device *dev, memset(host_stop_req, 0, sizeof(struct hbm_host_stop_request)); - host_stop_req->cmd.cmd = HOST_STOP_REQ_CMD; + host_stop_req->hbm_cmd = HOST_STOP_REQ_CMD; host_stop_req->reason = DRIVER_STOP_REQUEST; mei_write_message(dev, mei_hdr, (unsigned char *) (host_stop_req), @@ -725,7 +718,7 @@ static void mei_irq_thread_read_bus_message(struct mei_device *dev, dev->me_client_index++; dev->me_client_presentation_num++; - /** Send Client Propeties request **/ + /** Send Client Properties request **/ res = mei_host_client_properties(dev); if (res < 0) { dev_dbg(&dev->pdev->dev, "mei_host_client_properties() failed"); @@ -811,7 +804,7 @@ static void mei_irq_thread_read_bus_message(struct mei_device *dev, host_stop_req = (struct hbm_host_stop_request *) &dev->ext_msg_buf[1]; memset(host_stop_req, 0, sizeof(struct hbm_host_stop_request)); - host_stop_req->cmd.cmd = HOST_STOP_REQ_CMD; + host_stop_req->hbm_cmd = HOST_STOP_REQ_CMD; host_stop_req->reason = DRIVER_STOP_REQUEST; host_stop_req->reserved[0] = 0; host_stop_req->reserved[1] = 0; @@ -844,24 +837,21 @@ static int _mei_irq_thread_read(struct mei_device *dev, s32 *slots, { if ((*slots * sizeof(u32)) >= (sizeof(struct mei_msg_hdr) + sizeof(struct hbm_flow_control))) { - *slots -= (sizeof(struct mei_msg_hdr) + - sizeof(struct hbm_flow_control) + 3) / 4; - if (!mei_send_flow_control(dev, cl)) { - cl->status = -ENODEV; - cb_pos->information = 0; - list_move_tail(&cb_pos->cb_list, - &cmpl_list->mei_cb.cb_list); - return -ENODEV; - } else { - list_move_tail(&cb_pos->cb_list, - &dev->read_list.mei_cb.cb_list); - } - } else { /* return the cancel routine */ list_del(&cb_pos->cb_list); return -EBADMSG; } + *slots -= (sizeof(struct mei_msg_hdr) + + sizeof(struct hbm_flow_control) + 3) / 4; + if (mei_send_flow_control(dev, cl)) { + cl->status = -ENODEV; + cb_pos->information = 0; + list_move_tail(&cb_pos->cb_list, &cmpl_list->mei_cb.cb_list); + return -ENODEV; + } + list_move_tail(&cb_pos->cb_list, &dev->read_list.mei_cb.cb_list); + return 0; } @@ -887,7 +877,7 @@ static int _mei_irq_thread_ioctl(struct mei_device *dev, s32 *slots, cl->state = MEI_FILE_CONNECTING; *slots -= (sizeof(struct mei_msg_hdr) + sizeof(struct hbm_client_connect_request) + 3) / 4; - if (!mei_connect(dev, cl)) { + if (mei_connect(dev, cl)) { cl->status = -ENODEV; cb_pos->information = 0; list_del(&cb_pos->cb_list); @@ -944,7 +934,7 @@ static int _mei_irq_thread_cmpl(struct mei_device *dev, s32 *slots, mei_hdr->length); *slots -= (sizeof(struct mei_msg_hdr) + mei_hdr->length + 3) / 4; - if (!mei_write_message(dev, mei_hdr, + if (mei_write_message(dev, mei_hdr, (unsigned char *) (cb_pos->request_buffer.data + cb_pos->information), @@ -973,7 +963,7 @@ static int _mei_irq_thread_cmpl(struct mei_device *dev, s32 *slots, (*slots) -= (sizeof(struct mei_msg_hdr) + mei_hdr->length + 3) / 4; - if (!mei_write_message(dev, mei_hdr, + if (mei_write_message(dev, mei_hdr, (unsigned char *) (cb_pos->request_buffer.data + cb_pos->information), @@ -1034,7 +1024,7 @@ static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots, *slots -= (sizeof(struct mei_msg_hdr) + mei_hdr->length + 3) / 4; - if (!mei_write_message(dev, mei_hdr, + if (mei_write_message(dev, mei_hdr, (dev->iamthif_msg_buf + dev->iamthif_msg_buf_index), mei_hdr->length)) { @@ -1069,7 +1059,7 @@ static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots, *slots -= (sizeof(struct mei_msg_hdr) + mei_hdr->length + 3) / 4; - if (!mei_write_message(dev, mei_hdr, + if (mei_write_message(dev, mei_hdr, (dev->iamthif_msg_buf + dev->iamthif_msg_buf_index), mei_hdr->length)) { @@ -1286,7 +1276,7 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list, } } if (dev->stop) - return ~ENODEV; + return -ENODEV; /* complete control write list CB */ dev_dbg(&dev->pdev->dev, "complete control write list cb.\n"); @@ -1423,7 +1413,7 @@ void mei_timer(struct work_struct *work) if (dev->iamthif_stall_timer) { if (--dev->iamthif_stall_timer == 0) { - dev_dbg(&dev->pdev->dev, "reseting because of hang to amthi.\n"); + dev_dbg(&dev->pdev->dev, "resetting because of hang to amthi.\n"); mei_reset(dev, 1); dev->iamthif_msg_buf_size = 0; dev->iamthif_msg_buf_index = 0; @@ -1513,7 +1503,7 @@ irqreturn_t mei_interrupt_thread_handler(int irq, void *dev_id) dev->host_hw_state = mei_hcsr_read(dev); /* Ack the interrupt here - * In case of MSI we don't go throuhg the quick handler */ + * In case of MSI we don't go through the quick handler */ if (pci_dev_msi_enabled(dev->pdev)) mei_reg_write(dev, H_CSR, dev->host_hw_state); @@ -1549,7 +1539,7 @@ irqreturn_t mei_interrupt_thread_handler(int irq, void *dev_id) return IRQ_HANDLED; } } - /* check slots avalable for reading */ + /* check slots available for reading */ slots = mei_count_full_read_slots(dev); dev_dbg(&dev->pdev->dev, "slots =%08x extra_write_index =%08x.\n", slots, dev->extra_write_index); diff --git a/drivers/staging/mei/iorw.c b/drivers/staging/mei/iorw.c index 0752ead4269..0a80dc4e62f 100644 --- a/drivers/staging/mei/iorw.c +++ b/drivers/staging/mei/iorw.c @@ -1,7 +1,7 @@ /* * * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2003-2011, Intel Corporation. + * Copyright (c) 2003-2012, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -37,7 +37,6 @@ #include "hw.h" #include "mei.h" #include "interface.h" -#include "mei_version.h" @@ -109,8 +108,8 @@ int mei_ioctl_connect_client(struct file *file, dev_dbg(&dev->pdev->dev, "FW Client - Max Msg Len = %d\n", dev->me_clients[i].props.max_msg_length); - /* if we're connecting to amthi client so we will use the exist - * connection + /* if we're connecting to amthi client then we will use the + * existing connection */ if (uuid_le_cmp(data->in_client_uuid, mei_amthi_guid) == 0) { dev_dbg(&dev->pdev->dev, "FW Client is amthi\n"); @@ -162,7 +161,7 @@ int mei_ioctl_connect_client(struct file *file, && !mei_other_client_is_connecting(dev, cl)) { dev_dbg(&dev->pdev->dev, "Sending Connect Message\n"); dev->mei_host_buffer_is_empty = false; - if (!mei_connect(dev, cl)) { + if (mei_connect(dev, cl)) { dev_dbg(&dev->pdev->dev, "Sending connect message - failed\n"); rets = -ENODEV; goto end; @@ -434,13 +433,11 @@ int mei_start_read(struct mei_device *dev, struct mei_cl *cl) cl->read_cb = cb; if (dev->mei_host_buffer_is_empty) { dev->mei_host_buffer_is_empty = false; - if (!mei_send_flow_control(dev, cl)) { + if (mei_send_flow_control(dev, cl)) { rets = -ENODEV; goto unlock; - } else { - list_add_tail(&cb->cb_list, - &dev->read_list.mei_cb.cb_list); } + list_add_tail(&cb->cb_list, &dev->read_list.mei_cb.cb_list); } else { list_add_tail(&cb->cb_list, &dev->ctrl_wr_list.mei_cb.cb_list); } @@ -500,7 +497,7 @@ int amthi_write(struct mei_device *dev, struct mei_cl_cb *cb) mei_hdr.me_addr = dev->iamthif_cl.me_client_id; mei_hdr.reserved = 0; dev->iamthif_msg_buf_index += mei_hdr.length; - if (!mei_write_message(dev, &mei_hdr, + if (mei_write_message(dev, &mei_hdr, (unsigned char *)(dev->iamthif_msg_buf), mei_hdr.length)) return -ENODEV; diff --git a/drivers/staging/mei/main.c b/drivers/staging/mei/main.c index 1e1a9f996e7..7c9321fa7bb 100644 --- a/drivers/staging/mei/main.c +++ b/drivers/staging/mei/main.c @@ -1,7 +1,7 @@ /* * * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2003-2011, Intel Corporation. + * Copyright (c) 2003-2012, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -38,7 +38,6 @@ #include "mei_dev.h" #include "mei.h" #include "interface.h" -#include "mei_version.h" #define MEI_READ_TIMEOUT 45 @@ -50,7 +49,6 @@ */ static char mei_driver_name[] = MEI_DRIVER_NAME; static const char mei_driver_string[] = "Intel(R) Management Engine Interface"; -static const char mei_driver_version[] = MEI_DRIVER_VERSION; /* The device pointer */ /* Currently this driver works as long as there is only a single AMT device. */ @@ -430,7 +428,7 @@ static ssize_t mei_read(struct file *file, char __user *ubuf, goto free; } else if ((!cl->read_cb || !cl->read_cb->information) && *offset > 0) { - /*Offset needs to be cleaned for contingous reads*/ + /*Offset needs to be cleaned for contiguous reads*/ *offset = 0; rets = 0; goto out; @@ -493,7 +491,7 @@ copy_buffer: goto free; } - /* length is being turncated to PAGE_SIZE, however, */ + /* length is being truncated to PAGE_SIZE, however, */ /* information size may be longer */ length = min_t(size_t, length, (cb->information - *offset)); @@ -740,7 +738,7 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf, mei_hdr.reserved = 0; dev_dbg(&dev->pdev->dev, "call mei_write_message header=%08x.\n", *((u32 *) &mei_hdr)); - if (!mei_write_message(dev, &mei_hdr, + if (mei_write_message(dev, &mei_hdr, (unsigned char *) (write_cb->request_buffer.data), mei_hdr.length)) { rets = -ENODEV; @@ -1206,8 +1204,7 @@ static int __init mei_init_module(void) { int ret; - pr_debug("mei: %s - version %s\n", - mei_driver_string, mei_driver_version); + pr_debug("mei: %s\n", mei_driver_string); /* init pci module */ ret = pci_register_driver(&mei_driver); if (ret < 0) @@ -1238,4 +1235,3 @@ module_exit(mei_exit_module); MODULE_AUTHOR("Intel Corporation"); MODULE_DESCRIPTION("Intel(R) Management Engine Interface"); MODULE_LICENSE("GPL v2"); -MODULE_VERSION(MEI_DRIVER_VERSION); diff --git a/drivers/staging/mei/mei-amt-version.c b/drivers/staging/mei/mei-amt-version.c new file mode 100644 index 00000000000..ac2a507be25 --- /dev/null +++ b/drivers/staging/mei/mei-amt-version.c @@ -0,0 +1,481 @@ +/****************************************************************************** + * Intel Management Engine Interface (Intel MEI) Linux driver + * Intel MEI Interface Header + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Corporation. + * linux-mei@linux.intel.com + * http://www.intel.com + * + * BSD LICENSE + * + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include <unistd.h> +#include <errno.h> +#include <stdint.h> +#include <stdbool.h> +#include <bits/wordsize.h> +#include "mei.h" + +/***************************************************************************** + * Intel Management Engine Interface + *****************************************************************************/ + +#define mei_msg(_me, fmt, ARGS...) do { \ + if (_me->verbose) \ + fprintf(stderr, fmt, ##ARGS); \ +} while (0) + +#define mei_err(_me, fmt, ARGS...) do { \ + fprintf(stderr, "Error: " fmt, ##ARGS); \ +} while (0) + +struct mei { + uuid_le guid; + bool initialized; + bool verbose; + unsigned int buf_size; + unsigned char prot_ver; + int fd; +}; + +static void mei_deinit(struct mei *cl) +{ + if (cl->fd != -1) + close(cl->fd); + cl->fd = -1; + cl->buf_size = 0; + cl->prot_ver = 0; + cl->initialized = false; +} + +static bool mei_init(struct mei *me, const uuid_le *guid, + unsigned char req_protocol_version, bool verbose) +{ + int result; + struct mei_client *cl; + struct mei_connect_client_data data; + + mei_deinit(me); + + me->verbose = verbose; + + me->fd = open("/dev/mei", O_RDWR); + if (me->fd == -1) { + mei_err(me, "Cannot establish a handle to the Intel MEI driver\n"); + goto err; + } + memcpy(&me->guid, guid, sizeof(*guid)); + memset(&data, 0, sizeof(data)); + me->initialized = true; + + memcpy(&data.in_client_uuid, &me->guid, sizeof(me->guid)); + result = ioctl(me->fd, IOCTL_MEI_CONNECT_CLIENT, &data); + if (result) { + mei_err(me, "IOCTL_MEI_CONNECT_CLIENT receive message. err=%d\n", result); + goto err; + } + cl = &data.out_client_properties; + mei_msg(me, "max_message_length %d\n", cl->max_msg_length); + mei_msg(me, "protocol_version %d\n", cl->protocol_version); + + if ((req_protocol_version > 0) && + (cl->protocol_version != req_protocol_version)) { + mei_err(me, "Intel MEI protocol version not supported\n"); + goto err; + } + + me->buf_size = cl->max_msg_length; + me->prot_ver = cl->protocol_version; + + return true; +err: + mei_deinit(me); + return false; +} + +static ssize_t mei_recv_msg(struct mei *me, unsigned char *buffer, + ssize_t len, unsigned long timeout) +{ + ssize_t rc; + + mei_msg(me, "call read length = %zd\n", len); + + rc = read(me->fd, buffer, len); + if (rc < 0) { + mei_err(me, "read failed with status %zd %s\n", + rc, strerror(errno)); + mei_deinit(me); + } else { + mei_msg(me, "read succeeded with result %zd\n", rc); + } + return rc; +} + +static ssize_t mei_send_msg(struct mei *me, const unsigned char *buffer, + ssize_t len, unsigned long timeout) +{ + struct timeval tv; + ssize_t written; + ssize_t rc; + fd_set set; + + tv.tv_sec = timeout / 1000; + tv.tv_usec = (timeout % 1000) * 1000000; + + mei_msg(me, "call write length = %zd\n", len); + + written = write(me->fd, buffer, len); + if (written < 0) { + rc = -errno; + mei_err(me, "write failed with status %zd %s\n", + written, strerror(errno)); + goto out; + } + + FD_ZERO(&set); + FD_SET(me->fd, &set); + rc = select(me->fd + 1 , &set, NULL, NULL, &tv); + if (rc > 0 && FD_ISSET(me->fd, &set)) { + mei_msg(me, "write success\n"); + } else if (rc == 0) { + mei_err(me, "write failed on timeout with status\n"); + goto out; + } else { /* rc < 0 */ + mei_err(me, "write failed on select with status %zd\n", rc); + goto out; + } + + rc = written; +out: + if (rc < 0) + mei_deinit(me); + + return rc; +} + +/*************************************************************************** + * Intel Advanced Management Technolgy ME Client + ***************************************************************************/ + +#define AMT_MAJOR_VERSION 1 +#define AMT_MINOR_VERSION 1 + +#define AMT_STATUS_SUCCESS 0x0 +#define AMT_STATUS_INTERNAL_ERROR 0x1 +#define AMT_STATUS_NOT_READY 0x2 +#define AMT_STATUS_INVALID_AMT_MODE 0x3 +#define AMT_STATUS_INVALID_MESSAGE_LENGTH 0x4 + +#define AMT_STATUS_HOST_IF_EMPTY_RESPONSE 0x4000 +#define AMT_STATUS_SDK_RESOURCES 0x1004 + + +#define AMT_BIOS_VERSION_LEN 65 +#define AMT_VERSIONS_NUMBER 50 +#define AMT_UNICODE_STRING_LEN 20 + +struct amt_unicode_string { + uint16_t length; + char string[AMT_UNICODE_STRING_LEN]; +} __attribute__((packed)); + +struct amt_version_type { + struct amt_unicode_string description; + struct amt_unicode_string version; +} __attribute__((packed)); + +struct amt_version { + uint8_t major; + uint8_t minor; +} __attribute__((packed)); + +struct amt_code_versions { + uint8_t bios[AMT_BIOS_VERSION_LEN]; + uint32_t count; + struct amt_version_type versions[AMT_VERSIONS_NUMBER]; +} __attribute__((packed)); + +/*************************************************************************** + * Intel Advanced Management Technolgy Host Interface + ***************************************************************************/ + +struct amt_host_if_msg_header { + struct amt_version version; + uint16_t _reserved; + uint32_t command; + uint32_t length; +} __attribute__((packed)); + +struct amt_host_if_resp_header { + struct amt_host_if_msg_header header; + uint32_t status; + unsigned char data[0]; +} __attribute__((packed)); + +const uuid_le MEI_IAMTHIF = UUID_LE(0x12f80028, 0xb4b7, 0x4b2d, \ + 0xac, 0xa8, 0x46, 0xe0, 0xff, 0x65, 0x81, 0x4c); + +#define AMT_HOST_IF_CODE_VERSIONS_REQUEST 0x0400001A +#define AMT_HOST_IF_CODE_VERSIONS_RESPONSE 0x0480001A + +const struct amt_host_if_msg_header CODE_VERSION_REQ = { + .version = {AMT_MAJOR_VERSION, AMT_MINOR_VERSION}, + ._reserved = 0, + .command = AMT_HOST_IF_CODE_VERSIONS_REQUEST, + .length = 0 +}; + + +struct amt_host_if { + struct mei mei_cl; + unsigned long send_timeout; + bool initialized; +}; + + +static bool amt_host_if_init(struct amt_host_if *acmd, + unsigned long send_timeout, bool verbose) +{ + acmd->send_timeout = (send_timeout) ? send_timeout : 20000; + acmd->initialized = mei_init(&acmd->mei_cl, &MEI_IAMTHIF, 0, verbose); + return acmd->initialized; +} + +static void amt_host_if_deinit(struct amt_host_if *acmd) +{ + mei_deinit(&acmd->mei_cl); + acmd->initialized = false; +} + +static uint32_t amt_verify_code_versions(const struct amt_host_if_resp_header *resp) +{ + uint32_t status = AMT_STATUS_SUCCESS; + struct amt_code_versions *code_ver; + size_t code_ver_len; + uint32_t ver_type_cnt; + uint32_t len; + uint32_t i; + + code_ver = (struct amt_code_versions *)resp->data; + /* length - sizeof(status) */ + code_ver_len = resp->header.length - sizeof(uint32_t); + ver_type_cnt = code_ver_len - + sizeof(code_ver->bios) - + sizeof(code_ver->count); + if (code_ver->count != ver_type_cnt / sizeof(struct amt_version_type)) { + status = AMT_STATUS_INTERNAL_ERROR; + goto out; + } + + for (i = 0; i < code_ver->count; i++) { + len = code_ver->versions[i].description.length; + + if (len > AMT_UNICODE_STRING_LEN) { + status = AMT_STATUS_INTERNAL_ERROR; + goto out; + } + + len = code_ver->versions[i].version.length; + if (code_ver->versions[i].version.string[len] != '\0' || + len != strlen(code_ver->versions[i].version.string)) { + status = AMT_STATUS_INTERNAL_ERROR; + goto out; + } + } +out: + return status; +} + +static uint32_t amt_verify_response_header(uint32_t command, + const struct amt_host_if_msg_header *resp_hdr, + uint32_t response_size) +{ + if (response_size < sizeof(struct amt_host_if_resp_header)) { + return AMT_STATUS_INTERNAL_ERROR; + } else if (response_size != (resp_hdr->length + + sizeof(struct amt_host_if_msg_header))) { + return AMT_STATUS_INTERNAL_ERROR; + } else if (resp_hdr->command != command) { + return AMT_STATUS_INTERNAL_ERROR; + } else if (resp_hdr->_reserved != 0) { + return AMT_STATUS_INTERNAL_ERROR; + } else if (resp_hdr->version.major != AMT_MAJOR_VERSION || + resp_hdr->version.minor < AMT_MINOR_VERSION) { + return AMT_STATUS_INTERNAL_ERROR; + } + return AMT_STATUS_SUCCESS; +} + +static uint32_t amt_host_if_call(struct amt_host_if *acmd, + const unsigned char *command, ssize_t command_sz, + uint8_t **read_buf, uint32_t rcmd, + unsigned int expected_sz) +{ + uint32_t in_buf_sz; + uint32_t out_buf_sz; + ssize_t written; + uint32_t status; + struct amt_host_if_resp_header *msg_hdr; + + in_buf_sz = acmd->mei_cl.buf_size; + *read_buf = (uint8_t *)malloc(sizeof(uint8_t) * in_buf_sz); + if (*read_buf == NULL) + return AMT_STATUS_SDK_RESOURCES; + memset(*read_buf, 0, in_buf_sz); + msg_hdr = (struct amt_host_if_resp_header *)*read_buf; + + written = mei_send_msg(&acmd->mei_cl, + command, command_sz, acmd->send_timeout); + if (written != command_sz) + return AMT_STATUS_INTERNAL_ERROR; + + out_buf_sz = mei_recv_msg(&acmd->mei_cl, *read_buf, in_buf_sz, 2000); + if (out_buf_sz <= 0) + return AMT_STATUS_HOST_IF_EMPTY_RESPONSE; + + status = msg_hdr->status; + if (status != AMT_STATUS_SUCCESS) + return status; + + status = amt_verify_response_header(rcmd, + &msg_hdr->header, out_buf_sz); + if (status != AMT_STATUS_SUCCESS) + return status; + + if (expected_sz && expected_sz != out_buf_sz) + return AMT_STATUS_INTERNAL_ERROR; + + return AMT_STATUS_SUCCESS; +} + + +static uint32_t amt_get_code_versions(struct amt_host_if *cmd, + struct amt_code_versions *versions) +{ + struct amt_host_if_resp_header *response = NULL; + uint32_t status; + + status = amt_host_if_call(cmd, + (const unsigned char *)&CODE_VERSION_REQ, + sizeof(CODE_VERSION_REQ), + (uint8_t **)&response, + AMT_HOST_IF_CODE_VERSIONS_RESPONSE, 0); + + if (status != AMT_STATUS_SUCCESS) + goto out; + + status = amt_verify_code_versions(response); + if (status != AMT_STATUS_SUCCESS) + goto out; + + memcpy(versions, response->data, sizeof(struct amt_code_versions)); +out: + if (response != NULL) + free(response); + + return status; +} + +/************************** end of amt_host_if_command ***********************/ +int main(int argc, char **argv) +{ + struct amt_code_versions ver; + struct amt_host_if acmd; + unsigned int i; + uint32_t status; + int ret; + bool verbose; + + verbose = (argc > 1 && strcmp(argv[1], "-v") == 0); + + if (!amt_host_if_init(&acmd, 5000, verbose)) { + ret = 1; + goto out; + } + + status = amt_get_code_versions(&acmd, &ver); + + amt_host_if_deinit(&acmd); + + switch (status) { + case AMT_STATUS_HOST_IF_EMPTY_RESPONSE: + printf("Intel AMT: DISABLED\n"); + ret = 0; + break; + case AMT_STATUS_SUCCESS: + printf("Intel AMT: ENABLED\n"); + for (i = 0; i < ver.count; i++) { + printf("%s:\t%s\n", ver.versions[i].description.string, + ver.versions[i].version.string); + } + ret = 0; + break; + default: + printf("An error has occurred\n"); + ret = 1; + break; + } + +out: + return ret; +} diff --git a/drivers/staging/mei/mei.h b/drivers/staging/mei/mei.h index 6da7c4f33f9..bc0d8b69c49 100644 --- a/drivers/staging/mei/mei.h +++ b/drivers/staging/mei/mei.h @@ -1,63 +1,68 @@ -/* - - Intel Management Engine Interface (Intel MEI) Linux driver - Intel MEI Interface Header - - This file is provided under a dual BSD/GPLv2 license. When using or - redistributing this file, you may do so under either license. - - GPL LICENSE SUMMARY - - Copyright(c) 2003-2011 Intel Corporation. All rights reserved. - - This program is free software; you can redistribute it and/or modify - it under the terms of version 2 of the GNU General Public License as - published by the Free Software Foundation. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - Contact Information: - Intel Corporation. - linux-mei@linux.intel.com - http://www.intel.com - - - BSD LICENSE - - Copyright(c) 2003-2011 Intel Corporation. All rights reserved. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in - the documentation and/or other materials provided with the - distribution. - * Neither the name of Intel Corporation nor the names of its - contributors may be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -*/ - +/****************************************************************************** + * Intel Management Engine Interface (Intel MEI) Linux driver + * Intel MEI Interface Header + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Corporation. + * linux-mei@linux.intel.com + * http://www.intel.com + * + * BSD LICENSE + * + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ #ifndef _LINUX_MEI_H #define _LINUX_MEI_H @@ -72,7 +77,7 @@ * Only in close() (file_operation release()) the communication between * the clients is disconnected * - * The IOCTL argument is a struct with a union the contains + * The IOCTL argument is a struct with a union that contains * the input parameter and the output parameter for this IOCTL. * * The input parameter is UUID of the FW Client. diff --git a/drivers/staging/mei/mei.txt b/drivers/staging/mei/mei.txt index 516bfe7319a..2785697da59 100644 --- a/drivers/staging/mei/mei.txt +++ b/drivers/staging/mei/mei.txt @@ -4,7 +4,7 @@ Intel(R) Management Engine Interface (Intel(R) MEI) Introduction ======================= -The Intel Management Engine (Intel ME) is an isolated andprotected computing +The Intel Management Engine (Intel ME) is an isolated and protected computing resource (Co-processor) residing inside certain Intel chipsets. The Intel ME provides support for computer/IT management features. The feature set depends on the Intel chipset SKU. @@ -176,8 +176,8 @@ Intel AMT OS Health Watchdog: ============================= The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog. Whenever the OS hangs or crashes, Intel AMT will send an event -to any subsciber to this event. This mechanism means that -IT knows when a platform crashes even when there is a hard failureon the host. +to any subscriber to this event. This mechanism means that +IT knows when a platform crashes even when there is a hard failure on the host. The Intel AMT Watchdog is composed of two parts: 1) Firmware feature - receives the heartbeats diff --git a/drivers/staging/mei/mei_dev.h b/drivers/staging/mei/mei_dev.h index 82bacfc624c..10b1b4e2f8a 100644 --- a/drivers/staging/mei/mei_dev.h +++ b/drivers/staging/mei/mei_dev.h @@ -1,7 +1,7 @@ /* * * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2003-2011, Intel Corporation. + * Copyright (c) 2003-2012, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -30,6 +30,8 @@ #define MEI_WD_PARAMS_SIZE 4 #define MEI_WD_STATE_INDEPENDENCE_MSG_SENT (1 << 0) +#define MEI_RD_MSG_BUF_SIZE (128 * sizeof(u32)) + /* * MEI PCI Device object */ @@ -87,7 +89,7 @@ enum mei_states { MEI_POWER_UP }; -/* init clients states*/ +/* init clients states*/ enum mei_init_clients_states { MEI_START_MESSAGE = 0, MEI_ENUM_CLIENTS_MESSAGE, @@ -125,7 +127,7 @@ enum mei_cb_major_types { */ struct mei_message_data { u32 size; - char *data; + unsigned char *data; } __packed; @@ -219,7 +221,7 @@ struct mei_device { bool need_reset; u32 extra_write_index; - u32 rd_msg_buf[128]; /* used for control messages */ + unsigned char rd_msg_buf[MEI_RD_MSG_BUF_SIZE]; /* control messages */ u32 wr_msg_buf[128]; /* used for control messages */ u32 ext_msg_buf[8]; /* for control responses */ u32 rd_msg_hdr; diff --git a/drivers/staging/mei/mei_version.h b/drivers/staging/mei/mei_version.h deleted file mode 100644 index 075bad8f0bf..00000000000 --- a/drivers/staging/mei/mei_version.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * - * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2003-2011, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - */ - - -#ifndef MEI_VERSION_H -#define MEI_VERSION_H - -#define MAJOR_VERSION 7 -#define MINOR_VERSION 1 -#define QUICK_FIX_NUMBER 20 -#define VER_BUILD 1 - -#define MEI_DRV_VER1 __stringify(MAJOR_VERSION) "." __stringify(MINOR_VERSION) -#define MEI_DRV_VER2 __stringify(QUICK_FIX_NUMBER) "." __stringify(VER_BUILD) - -#define MEI_DRIVER_VERSION MEI_DRV_VER1 "." MEI_DRV_VER2 - -#endif diff --git a/drivers/staging/mei/wd.c b/drivers/staging/mei/wd.c index 8094941a98f..a6910da78a6 100644 --- a/drivers/staging/mei/wd.c +++ b/drivers/staging/mei/wd.c @@ -1,7 +1,7 @@ /* * * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2003-2011, Intel Corporation. + * Copyright (c) 2003-2012, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -74,7 +74,7 @@ bool mei_wd_host_init(struct mei_device *dev) dev_dbg(&dev->pdev->dev, "check wd_cl\n"); if (MEI_FILE_CONNECTING == dev->wd_cl.state) { - if (!mei_connect(dev, &dev->wd_cl)) { + if (mei_connect(dev, &dev->wd_cl)) { dev_dbg(&dev->pdev->dev, "Failed to connect to WD client\n"); dev->wd_cl.state = MEI_FILE_DISCONNECTED; dev->wd_cl.host_client_id = 0; @@ -119,9 +119,7 @@ int mei_wd_send(struct mei_device *dev) else return -EINVAL; - if (mei_write_message(dev, mei_hdr, dev->wd_data, mei_hdr->length)) - return 0; - return -EIO; + return mei_write_message(dev, mei_hdr, dev->wd_data, mei_hdr->length); } /** diff --git a/drivers/staging/nvec/Kconfig b/drivers/staging/nvec/Kconfig index 86a8b8c418c..731301f524a 100644 --- a/drivers/staging/nvec/Kconfig +++ b/drivers/staging/nvec/Kconfig @@ -7,21 +7,21 @@ config MFD_NVEC config KEYBOARD_NVEC bool "Keyboard on nVidia compliant EC" - depends on MFD_NVEC && INPUT=y + depends on MFD_NVEC && INPUT help Say Y here to enable support for a keyboard connected to a nVidia compliant embedded controller. config SERIO_NVEC_PS2 bool "PS2 on nVidia EC" - depends on MFD_NVEC && MOUSE_PS2 + depends on MFD_NVEC && SERIO help Say Y here to enable support for a Touchpad / Mouse connected to a nVidia compliant embedded controller. config NVEC_POWER bool "NVEC charger and battery" - depends on MFD_NVEC && POWER_SUPPLY=y + depends on MFD_NVEC && POWER_SUPPLY help Say Y to enable support for battery and charger interface for nVidia compliant embedded controllers. diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c index fafdfa25e13..3c60088871e 100644 --- a/drivers/staging/nvec/nvec.c +++ b/drivers/staging/nvec/nvec.c @@ -49,7 +49,7 @@ #define I2C_CNFG_DEBOUNCE_CNT_SHIFT 12 #define I2C_SL_CNFG 0x20 -#define I2C_SL_NEWL (1<<2) +#define I2C_SL_NEWSL (1<<2) #define I2C_SL_NACK (1<<1) #define I2C_SL_RESP (1<<0) #define I2C_SL_IRQ (1<<3) @@ -687,7 +687,7 @@ static void tegra_init_i2c_slave(struct nvec_chip *nvec) clk_set_rate(nvec->i2c_clk, 8 * 80000); - writel(I2C_SL_NEWL, nvec->base + I2C_SL_CNFG); + writel(I2C_SL_NEWSL, nvec->base + I2C_SL_CNFG); writel(0x1E, nvec->base + I2C_SL_DELAY_COUNT); writel(nvec->i2c_addr>>1, nvec->base + I2C_SL_ADDR1); @@ -701,7 +701,7 @@ static void tegra_init_i2c_slave(struct nvec_chip *nvec) static void nvec_disable_i2c_slave(struct nvec_chip *nvec) { disable_irq(nvec->irq); - writel(I2C_SL_NEWL | I2C_SL_NACK, nvec->base + I2C_SL_CNFG); + writel(I2C_SL_NEWSL | I2C_SL_NACK, nvec->base + I2C_SL_CNFG); clk_disable(nvec->i2c_clk); } @@ -784,11 +784,6 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev) nvec->i2c_clk = i2c_clk; nvec->rx = &nvec->msg_pool[0]; - /* Set the gpio to low when we've got something to say */ - err = gpio_request(nvec->gpio, "nvec gpio"); - if (err < 0) - dev_err(nvec->dev, "couldn't request gpio\n"); - ATOMIC_INIT_NOTIFIER_HEAD(&nvec->notifier_list); init_completion(&nvec->sync_write); @@ -802,6 +797,12 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev) INIT_WORK(&nvec->tx_work, nvec_request_master); nvec->wq = alloc_workqueue("nvec", WQ_NON_REENTRANT, 2); + err = gpio_request_one(nvec->gpio, GPIOF_OUT_INIT_HIGH, "nvec gpio"); + if (err < 0) { + dev_err(nvec->dev, "couldn't request gpio\n"); + goto failed; + } + err = request_irq(nvec->irq, nvec_interrupt, 0, "nvec", nvec); if (err) { dev_err(nvec->dev, "couldn't request irq\n"); @@ -813,8 +814,6 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev) clk_enable(i2c_clk); - gpio_direction_output(nvec->gpio, 1); - gpio_set_value(nvec->gpio, 1); /* enable event reporting */ nvec_write_async(nvec, EC_ENABLE_EVENT_REPORTING, diff --git a/drivers/staging/nvec/nvec_ps2.c b/drivers/staging/nvec/nvec_ps2.c index 742f5ccfe76..14a6f687cf7 100644 --- a/drivers/staging/nvec/nvec_ps2.c +++ b/drivers/staging/nvec/nvec_ps2.c @@ -21,10 +21,18 @@ #include "nvec.h" -#define START_STREAMING {'\x06', '\x03', '\x04'} +#define START_STREAMING {'\x06', '\x03', '\x06'} #define STOP_STREAMING {'\x06', '\x04'} #define SEND_COMMAND {'\x06', '\x01', '\xf4', '\x01'} +#ifdef NVEC_PS2_DEBUG +#define NVEC_PHD(str, buf, len) \ + print_hex_dump(KERN_DEBUG, str, DUMP_PREFIX_NONE, \ + 16, 1, buf, len, false) +#else +#define NVEC_PHD(str, buf, len) +#endif + static const unsigned char MOUSE_RESET[] = {'\x06', '\x01', '\xff', '\x03'}; struct nvec_ps2 { @@ -67,18 +75,18 @@ static int nvec_ps2_notifier(struct notifier_block *nb, case NVEC_PS2_EVT: for (i = 0; i < msg[1]; i++) serio_interrupt(ps2_dev.ser_dev, msg[2 + i], 0); + NVEC_PHD("ps/2 mouse event: ", &msg[2], msg[1]); return NOTIFY_STOP; case NVEC_PS2: - if (msg[2] == 1) + if (msg[2] == 1) { for (i = 0; i < (msg[1] - 2); i++) serio_interrupt(ps2_dev.ser_dev, msg[i + 4], 0); - else if (msg[1] != 2) { /* !ack */ - print_hex_dump(KERN_WARNING, "unhandled mouse event: ", - DUMP_PREFIX_NONE, 16, 1, - msg, msg[1] + 2, true); + NVEC_PHD("ps/2 mouse reply: ", &msg[4], msg[1] - 2); } + else if (msg[1] != 2) /* !ack */ + NVEC_PHD("unhandled mouse event: ", msg, msg[1] + 2); return NOTIFY_STOP; } @@ -90,10 +98,10 @@ static int __devinit nvec_mouse_probe(struct platform_device *pdev) struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent); struct serio *ser_dev = kzalloc(sizeof(struct serio), GFP_KERNEL); - ser_dev->id.type = SERIO_8042; + ser_dev->id.type = SERIO_PS_PSTHRU; ser_dev->write = ps2_sendcommand; - ser_dev->open = ps2_startstreaming; - ser_dev->close = ps2_stopstreaming; + ser_dev->start = ps2_startstreaming; + ser_dev->stop = ps2_stopstreaming; strlcpy(ser_dev->name, "nvec mouse", sizeof(ser_dev->name)); strlcpy(ser_dev->phys, "nvec", sizeof(ser_dev->phys)); @@ -111,8 +119,35 @@ static int __devinit nvec_mouse_probe(struct platform_device *pdev) return 0; } +static int nvec_mouse_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent); + + /* disable mouse */ + nvec_write_async(nvec, "\x06\xf4", 2); + + /* send cancel autoreceive */ + nvec_write_async(nvec, "\x06\x04", 2); + + return 0; +} + +static int nvec_mouse_resume(struct platform_device *pdev) +{ + struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent); + + ps2_startstreaming(ps2_dev.ser_dev); + + /* enable mouse */ + nvec_write_async(nvec, "\x06\xf5", 2); + + return 0; +} + static struct platform_driver nvec_mouse_driver = { .probe = nvec_mouse_probe, + .suspend = nvec_mouse_suspend, + .resume = nvec_mouse_resume, .driver = { .name = "nvec-mouse", .owner = THIS_MODULE, diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c index 63800ba71d0..e31949c9c87 100644 --- a/drivers/staging/octeon/ethernet-mdio.c +++ b/drivers/staging/octeon/ethernet-mdio.c @@ -164,9 +164,9 @@ int cvm_oct_phy_setup_device(struct net_device *dev) int phy_addr = cvmx_helper_board_get_mii_address(priv->port); if (phy_addr != -1) { - char phy_id[20]; + char phy_id[MII_BUS_ID_SIZE + 3]; - snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "0", phy_addr); + snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "mdio-octeon-0", phy_addr); priv->phydev = phy_connect(dev, phy_id, cvm_oct_adjust_link, 0, PHY_INTERFACE_MODE_GMII); diff --git a/drivers/staging/omapdrm/omap_crtc.c b/drivers/staging/omapdrm/omap_crtc.c index 17ca163e589..490a7f15604 100644 --- a/drivers/staging/omapdrm/omap_crtc.c +++ b/drivers/staging/omapdrm/omap_crtc.c @@ -118,29 +118,35 @@ static void omap_crtc_load_lut(struct drm_crtc *crtc) { } -static void page_flip_cb(void *arg) +static void vblank_cb(void *arg) { + static uint32_t sequence = 0; struct drm_crtc *crtc = arg; struct drm_device *dev = crtc->dev; struct omap_crtc *omap_crtc = to_omap_crtc(crtc); struct drm_pending_vblank_event *event = omap_crtc->event; - struct drm_framebuffer *old_fb = omap_crtc->old_fb; - struct timeval now; unsigned long flags; + struct timeval now; WARN_ON(!event); omap_crtc->event = NULL; - omap_crtc->old_fb = NULL; - - omap_crtc_mode_set_base(crtc, crtc->x, crtc->y, old_fb); /* wakeup userspace */ - /* TODO: this should happen *after* flip in vsync IRQ handler */ if (event) { + do_gettimeofday(&now); + spin_lock_irqsave(&dev->event_lock, flags); + /* TODO: we can't yet use the vblank time accounting, + * because omapdss lower layer is the one that knows + * the irq # and registers the handler, which more or + * less defeats how drm_irq works.. for now just fake + * the sequence number and use gettimeofday.. + * event->event.sequence = drm_vblank_count_and_time( dev, omap_crtc->id, &now); + */ + event->event.sequence = sequence++; event->event.tv_sec = now.tv_sec; event->event.tv_usec = now.tv_usec; list_add_tail(&event->base.link, @@ -150,6 +156,23 @@ static void page_flip_cb(void *arg) } } +static void page_flip_cb(void *arg) +{ + struct drm_crtc *crtc = arg; + struct omap_crtc *omap_crtc = to_omap_crtc(crtc); + struct drm_framebuffer *old_fb = omap_crtc->old_fb; + + omap_crtc->old_fb = NULL; + + omap_crtc_mode_set_base(crtc, crtc->x, crtc->y, old_fb); + + /* really we'd like to setup the callback atomically w/ setting the + * new scanout buffer to avoid getting stuck waiting an extra vblank + * cycle.. for now go for correctness and later figure out speed.. + */ + omap_plane_on_endwin(omap_crtc->plane, vblank_cb, crtc); +} + static int omap_crtc_page_flip_locked(struct drm_crtc *crtc, struct drm_framebuffer *fb, struct drm_pending_vblank_event *event) diff --git a/drivers/staging/omapdrm/omap_debugfs.c b/drivers/staging/omapdrm/omap_debugfs.c index da920dfdc59..2f122e00b51 100644 --- a/drivers/staging/omapdrm/omap_debugfs.c +++ b/drivers/staging/omapdrm/omap_debugfs.c @@ -20,23 +20,118 @@ #include "omap_drv.h" #include "omap_dmm_tiler.h" +#include "drm_fb_helper.h" + + #ifdef CONFIG_DEBUG_FS +static int gem_show(struct seq_file *m, void *arg) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct omap_drm_private *priv = dev->dev_private; + int ret; + + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) + return ret; + + seq_printf(m, "All Objects:\n"); + omap_gem_describe_objects(&priv->obj_list, m); + + mutex_unlock(&dev->struct_mutex); + + return 0; +} + +static int mm_show(struct seq_file *m, void *arg) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + return drm_mm_dump_table(m, dev->mm_private); +} + +static int fb_show(struct seq_file *m, void *arg) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct omap_drm_private *priv = dev->dev_private; + struct drm_framebuffer *fb; + int ret; + + ret = mutex_lock_interruptible(&dev->mode_config.mutex); + if (ret) + return ret; + + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) { + mutex_unlock(&dev->mode_config.mutex); + return ret; + } + + seq_printf(m, "fbcon "); + omap_framebuffer_describe(priv->fbdev->fb, m); + + list_for_each_entry(fb, &dev->mode_config.fb_list, head) { + if (fb == priv->fbdev->fb) + continue; + + seq_printf(m, "user "); + omap_framebuffer_describe(fb, m); + } + + mutex_unlock(&dev->struct_mutex); + mutex_unlock(&dev->mode_config.mutex); + + return 0; +} + +/* list of debufs files that are applicable to all devices */ static struct drm_info_list omap_debugfs_list[] = { + {"gem", gem_show, 0}, + {"mm", mm_show, 0}, + {"fb", fb_show, 0}, +}; + +/* list of debugfs files that are specific to devices with dmm/tiler */ +static struct drm_info_list omap_dmm_debugfs_list[] = { {"tiler_map", tiler_map_show, 0}, }; int omap_debugfs_init(struct drm_minor *minor) { - return drm_debugfs_create_files(omap_debugfs_list, + struct drm_device *dev = minor->dev; + int ret; + + ret = drm_debugfs_create_files(omap_debugfs_list, ARRAY_SIZE(omap_debugfs_list), minor->debugfs_root, minor); + + if (ret) { + dev_err(dev->dev, "could not install omap_debugfs_list\n"); + return ret; + } + + if (dmm_is_available()) + ret = drm_debugfs_create_files(omap_dmm_debugfs_list, + ARRAY_SIZE(omap_dmm_debugfs_list), + minor->debugfs_root, minor); + + if (ret) { + dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n"); + return ret; + } + + return ret; } void omap_debugfs_cleanup(struct drm_minor *minor) { drm_debugfs_remove_files(omap_debugfs_list, ARRAY_SIZE(omap_debugfs_list), minor); + if (dmm_is_available()) + drm_debugfs_remove_files(omap_dmm_debugfs_list, + ARRAY_SIZE(omap_dmm_debugfs_list), minor); } #endif diff --git a/drivers/staging/omapdrm/omap_dmm_tiler.c b/drivers/staging/omapdrm/omap_dmm_tiler.c index 852d9440f72..1ecb6a73d79 100644 --- a/drivers/staging/omapdrm/omap_dmm_tiler.c +++ b/drivers/staging/omapdrm/omap_dmm_tiler.c @@ -34,6 +34,8 @@ #include "omap_dmm_tiler.h" #include "omap_dmm_priv.h" +#define DMM_DRIVER_NAME "dmm" + /* mappings for associating views to luts */ static struct tcm *containers[TILFMT_NFORMATS]; static struct dmm *omap_dmm; @@ -465,7 +467,12 @@ size_t tiler_vsize(enum tiler_fmt fmt, uint16_t w, uint16_t h) return round_up(geom[fmt].cpp * w, PAGE_SIZE) * h; } -int omap_dmm_remove(void) +bool dmm_is_initialized(void) +{ + return omap_dmm ? true : false; +} + +static int omap_dmm_remove(struct platform_device *dev) { struct tiler_block *block, *_block; int i; @@ -499,40 +506,49 @@ int omap_dmm_remove(void) if (omap_dmm->irq != -1) free_irq(omap_dmm->irq, omap_dmm); + iounmap(omap_dmm->base); kfree(omap_dmm); + omap_dmm = NULL; } return 0; } -int omap_dmm_init(struct drm_device *dev) +static int omap_dmm_probe(struct platform_device *dev) { int ret = -EFAULT, i; struct tcm_area area = {0}; u32 hwinfo, pat_geom, lut_table_size; - struct omap_drm_platform_data *pdata = dev->dev->platform_data; - - if (!pdata || !pdata->dmm_pdata) { - dev_err(dev->dev, "dmm platform data not present, skipping\n"); - return ret; - } + struct resource *mem; omap_dmm = kzalloc(sizeof(*omap_dmm), GFP_KERNEL); if (!omap_dmm) { - dev_err(dev->dev, "failed to allocate driver data section\n"); + dev_err(&dev->dev, "failed to allocate driver data section\n"); goto fail; } /* lookup hwmod data - base address and irq */ - omap_dmm->base = pdata->dmm_pdata->base; - omap_dmm->irq = pdata->dmm_pdata->irq; - omap_dmm->dev = dev->dev; + mem = platform_get_resource(dev, IORESOURCE_MEM, 0); + if (!mem) { + dev_err(&dev->dev, "failed to get base address resource\n"); + goto fail; + } + + omap_dmm->base = ioremap(mem->start, SZ_2K); if (!omap_dmm->base) { - dev_err(dev->dev, "failed to get dmm base address\n"); + dev_err(&dev->dev, "failed to get dmm base address\n"); + goto fail; + } + + omap_dmm->irq = platform_get_irq(dev, 0); + if (omap_dmm->irq < 0) { + dev_err(&dev->dev, "failed to get IRQ resource\n"); goto fail; } + omap_dmm->dev = &dev->dev; + hwinfo = readl(omap_dmm->base + DMM_PAT_HWINFO); omap_dmm->num_engines = (hwinfo >> 24) & 0x1F; omap_dmm->num_lut = (hwinfo >> 16) & 0x1F; @@ -556,7 +572,7 @@ int omap_dmm_init(struct drm_device *dev) "omap_dmm_irq_handler", omap_dmm); if (ret) { - dev_err(dev->dev, "couldn't register IRQ %d, error %d\n", + dev_err(&dev->dev, "couldn't register IRQ %d, error %d\n", omap_dmm->irq, ret); omap_dmm->irq = -1; goto fail; @@ -575,25 +591,30 @@ int omap_dmm_init(struct drm_device *dev) omap_dmm->lut = vmalloc(lut_table_size * sizeof(*omap_dmm->lut)); if (!omap_dmm->lut) { - dev_err(dev->dev, "could not allocate lut table\n"); + dev_err(&dev->dev, "could not allocate lut table\n"); ret = -ENOMEM; goto fail; } omap_dmm->dummy_page = alloc_page(GFP_KERNEL | __GFP_DMA32); if (!omap_dmm->dummy_page) { - dev_err(dev->dev, "could not allocate dummy page\n"); + dev_err(&dev->dev, "could not allocate dummy page\n"); ret = -ENOMEM; goto fail; } + + /* set dma mask for device */ + /* NOTE: this is a workaround for the hwmod not initializing properly */ + dev->dev.coherent_dma_mask = DMA_BIT_MASK(32); + omap_dmm->dummy_pa = page_to_phys(omap_dmm->dummy_page); /* alloc refill memory */ - omap_dmm->refill_va = dma_alloc_coherent(dev->dev, + omap_dmm->refill_va = dma_alloc_coherent(&dev->dev, REFILL_BUFFER_SIZE * omap_dmm->num_engines, &omap_dmm->refill_pa, GFP_KERNEL); if (!omap_dmm->refill_va) { - dev_err(dev->dev, "could not allocate refill memory\n"); + dev_err(&dev->dev, "could not allocate refill memory\n"); goto fail; } @@ -602,7 +623,7 @@ int omap_dmm_init(struct drm_device *dev) omap_dmm->num_engines * sizeof(struct refill_engine), GFP_KERNEL); if (!omap_dmm->engines) { - dev_err(dev->dev, "could not allocate engines\n"); + dev_err(&dev->dev, "could not allocate engines\n"); ret = -ENOMEM; goto fail; } @@ -624,7 +645,7 @@ int omap_dmm_init(struct drm_device *dev) omap_dmm->tcm = kzalloc(omap_dmm->num_lut * sizeof(*omap_dmm->tcm), GFP_KERNEL); if (!omap_dmm->tcm) { - dev_err(dev->dev, "failed to allocate lut ptrs\n"); + dev_err(&dev->dev, "failed to allocate lut ptrs\n"); ret = -ENOMEM; goto fail; } @@ -636,7 +657,7 @@ int omap_dmm_init(struct drm_device *dev) NULL); if (!omap_dmm->tcm[i]) { - dev_err(dev->dev, "failed to allocate container\n"); + dev_err(&dev->dev, "failed to allocate container\n"); ret = -ENOMEM; goto fail; } @@ -676,7 +697,7 @@ int omap_dmm_init(struct drm_device *dev) return 0; fail: - omap_dmm_remove(); + omap_dmm_remove(dev); return ret; } @@ -766,10 +787,18 @@ int tiler_map_show(struct seq_file *s, void *arg) const char *a2d = special; const char *m2dp = m2d, *a2dp = a2d; char nice[128]; - int h_adj = omap_dmm->lut_height / ydiv; - int w_adj = omap_dmm->lut_width / xdiv; + int h_adj; + int w_adj; unsigned long flags; + if (!omap_dmm) { + /* early return if dmm/tiler device is not initialized */ + return 0; + } + + h_adj = omap_dmm->lut_height / ydiv; + w_adj = omap_dmm->lut_width / xdiv; + map = kzalloc(h_adj * sizeof(*map), GFP_KERNEL); global_map = kzalloc((w_adj + 1) * h_adj, GFP_KERNEL); @@ -828,3 +857,17 @@ error: return 0; } #endif + +struct platform_driver omap_dmm_driver = { + .probe = omap_dmm_probe, + .remove = omap_dmm_remove, + .driver = { + .owner = THIS_MODULE, + .name = DMM_DRIVER_NAME, + }, +}; + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Andy Gross <andy.gross@ti.com>"); +MODULE_DESCRIPTION("OMAP DMM/Tiler Driver"); +MODULE_ALIAS("platform:" DMM_DRIVER_NAME); diff --git a/drivers/staging/omapdrm/omap_dmm_tiler.h b/drivers/staging/omapdrm/omap_dmm_tiler.h index f87cb657d68..7b1052a329e 100644 --- a/drivers/staging/omapdrm/omap_dmm_tiler.h +++ b/drivers/staging/omapdrm/omap_dmm_tiler.h @@ -16,6 +16,7 @@ #ifndef OMAP_DMM_TILER_H #define OMAP_DMM_TILER_H +#include <plat/cpu.h> #include "omap_drv.h" #include "tcm.h" @@ -72,10 +73,6 @@ struct tiler_block { #define TIL_ADDR(x, orient, a)\ ((u32) (x) | (orient) | ((a) << SHIFT_ACC_MODE)) -/* externally accessible functions */ -int omap_dmm_init(struct drm_device *dev); -int omap_dmm_remove(void); - #ifdef CONFIG_DEBUG_FS int tiler_map_show(struct seq_file *s, void *arg); #endif @@ -97,7 +94,9 @@ uint32_t tiler_stride(enum tiler_fmt fmt); size_t tiler_size(enum tiler_fmt fmt, uint16_t w, uint16_t h); size_t tiler_vsize(enum tiler_fmt fmt, uint16_t w, uint16_t h); void tiler_align(enum tiler_fmt fmt, uint16_t *w, uint16_t *h); +bool dmm_is_initialized(void); +extern struct platform_driver omap_dmm_driver; /* GEM bo flags -> tiler fmt */ static inline enum tiler_fmt gem2fmt(uint32_t flags) @@ -127,9 +126,9 @@ static inline bool validfmt(enum tiler_fmt fmt) } } -struct omap_dmm_platform_data { - void __iomem *base; - int irq; -}; +static inline int dmm_is_available(void) +{ + return cpu_is_omap44xx(); +} #endif diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c index 3bbea9aac40..3df5b4c58ec 100644 --- a/drivers/staging/omapdrm/omap_drv.c +++ b/drivers/staging/omapdrm/omap_drv.c @@ -21,6 +21,7 @@ #include "drm_crtc_helper.h" #include "drm_fb_helper.h" +#include "omap_dmm_tiler.h" #define DRIVER_NAME MODULE_NAME #define DRIVER_DESC "OMAP DRM" @@ -570,6 +571,11 @@ static int dev_load(struct drm_device *dev, unsigned long flags) dev->dev_private = priv; + priv->wq = alloc_workqueue("omapdrm", + WQ_UNBOUND | WQ_NON_REENTRANT, 1); + + INIT_LIST_HEAD(&priv->obj_list); + omap_gem_init(dev); ret = omap_modeset_init(dev); @@ -598,6 +604,8 @@ static int dev_load(struct drm_device *dev, unsigned long flags) static int dev_unload(struct drm_device *dev) { + struct omap_drm_private *priv = dev->dev_private; + DBG("unload: dev=%p", dev); drm_vblank_cleanup(dev); @@ -607,6 +615,9 @@ static int dev_unload(struct drm_device *dev) omap_modeset_free(dev); omap_gem_deinit(dev); + flush_workqueue(priv->wq); + destroy_workqueue(priv->wq); + kfree(dev->dev_private); dev->dev_private = NULL; @@ -792,6 +803,9 @@ static void pdev_shutdown(struct platform_device *device) static int pdev_probe(struct platform_device *device) { DBG("%s", device->name); + if (platform_driver_register(&omap_dmm_driver)) + dev_err(&device->dev, "DMM registration failed\n"); + return drm_platform_init(&omap_drm_driver, device); } @@ -799,6 +813,8 @@ static int pdev_remove(struct platform_device *device) { DBG(""); drm_platform_exit(&omap_drm_driver, device); + + platform_driver_unregister(&omap_dmm_driver); return 0; } diff --git a/drivers/staging/omapdrm/omap_drv.h b/drivers/staging/omapdrm/omap_drv.h index 61fe022dda5..b7e0f077300 100644 --- a/drivers/staging/omapdrm/omap_drv.h +++ b/drivers/staging/omapdrm/omap_drv.h @@ -42,21 +42,31 @@ struct omap_drm_private { unsigned int num_crtcs; struct drm_crtc *crtcs[8]; + unsigned int num_planes; struct drm_plane *planes[8]; + unsigned int num_encoders; struct drm_encoder *encoders[8]; + unsigned int num_connectors; struct drm_connector *connectors[8]; struct drm_fb_helper *fbdev; + struct workqueue_struct *wq; + + struct list_head obj_list; + bool has_dmm; }; #ifdef CONFIG_DEBUG_FS int omap_debugfs_init(struct drm_minor *minor); void omap_debugfs_cleanup(struct drm_minor *minor); +void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m); +void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m); +void omap_gem_describe_objects(struct list_head *list, struct seq_file *m); #endif struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev); @@ -75,6 +85,8 @@ int omap_plane_mode_set(struct drm_plane *plane, unsigned int crtc_w, unsigned int crtc_h, uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h); +void omap_plane_on_endwin(struct drm_plane *plane, + void (*fxn)(void *), void *arg); struct drm_encoder *omap_encoder_init(struct drm_device *dev, struct omap_overlay_manager *mgr); @@ -92,13 +104,16 @@ void omap_connector_mode_set(struct drm_connector *connector, void omap_connector_flush(struct drm_connector *connector, int x, int y, int w, int h); +uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats, + uint32_t max_formats, enum omap_color_mode supported_modes); struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd); struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p); -int omap_framebuffer_pin(struct drm_framebuffer *fb); -void omap_framebuffer_unpin(struct drm_framebuffer *fb); +int omap_framebuffer_replace(struct drm_framebuffer *a, + struct drm_framebuffer *b, void *arg, + void (*unpin)(void *arg, struct drm_gem_object *bo)); void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y, struct omap_overlay_info *info); struct drm_connector *omap_framebuffer_get_next_connector( diff --git a/drivers/staging/omapdrm/omap_fb.c b/drivers/staging/omapdrm/omap_fb.c index d021a7ec58d..04b235b6724 100644 --- a/drivers/staging/omapdrm/omap_fb.c +++ b/drivers/staging/omapdrm/omap_fb.c @@ -59,6 +59,20 @@ static const struct format formats[] = { { OMAP_DSS_COLOR_UYVY, DRM_FORMAT_UYVY, {{2, 1}}, true }, }; +/* convert from overlay's pixel formats bitmask to an array of fourcc's */ +uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats, + uint32_t max_formats, enum omap_color_mode supported_modes) +{ + uint32_t nformats = 0; + int i = 0; + + for (i = 0; i < ARRAY_SIZE(formats) && nformats < max_formats; i++) + if (formats[i].dss_format & supported_modes) + pixel_formats[nformats++] = formats[i].pixel_format; + + return nformats; +} + /* per-plane info for the fb: */ struct plane { struct drm_gem_object *bo; @@ -87,7 +101,7 @@ static int omap_framebuffer_create_handle(struct drm_framebuffer *fb, static void omap_framebuffer_destroy(struct drm_framebuffer *fb) { struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); - int i, n = drm_format_num_planes(omap_fb->format->pixel_format); + int i, n = drm_format_num_planes(fb->pixel_format); DBG("destroy: FB ID: %d (%p)", fb->base.id, fb); @@ -123,41 +137,6 @@ static const struct drm_framebuffer_funcs omap_framebuffer_funcs = { .dirty = omap_framebuffer_dirty, }; -/* pins buffer in preparation for scanout */ -int omap_framebuffer_pin(struct drm_framebuffer *fb) -{ - struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); - int ret, i, n = drm_format_num_planes(omap_fb->format->pixel_format); - - for (i = 0; i < n; i++) { - struct plane *plane = &omap_fb->planes[i]; - ret = omap_gem_get_paddr(plane->bo, &plane->paddr, true); - if (ret) - goto fail; - } - - return 0; - -fail: - while (--i > 0) { - struct plane *plane = &omap_fb->planes[i]; - omap_gem_put_paddr(plane->bo); - } - return ret; -} - -/* releases buffer when done with scanout */ -void omap_framebuffer_unpin(struct drm_framebuffer *fb) -{ - struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); - int i, n = drm_format_num_planes(omap_fb->format->pixel_format); - - for (i = 0; i < n; i++) { - struct plane *plane = &omap_fb->planes[i]; - omap_gem_put_paddr(plane->bo); - } -} - /* update ovl info for scanout, handles cases of multi-planar fb's, etc. */ void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y, @@ -187,10 +166,59 @@ void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y, } } +/* Call for unpin 'a' (if not NULL), and pin 'b' (if not NULL). Although + * buffers to unpin are just just pushed to the unpin fifo so that the + * caller can defer unpin until vblank. + * + * Note if this fails (ie. something went very wrong!), all buffers are + * unpinned, and the caller disables the overlay. We could have tried + * to revert back to the previous set of pinned buffers but if things are + * hosed there is no guarantee that would succeed. + */ +int omap_framebuffer_replace(struct drm_framebuffer *a, + struct drm_framebuffer *b, void *arg, + void (*unpin)(void *arg, struct drm_gem_object *bo)) +{ + int ret = 0, i, na, nb; + struct omap_framebuffer *ofba = to_omap_framebuffer(a); + struct omap_framebuffer *ofbb = to_omap_framebuffer(b); + + na = a ? drm_format_num_planes(a->pixel_format) : 0; + nb = b ? drm_format_num_planes(b->pixel_format) : 0; + + for (i = 0; i < max(na, nb); i++) { + struct plane *pa, *pb; + + pa = (i < na) ? &ofba->planes[i] : NULL; + pb = (i < nb) ? &ofbb->planes[i] : NULL; + + if (pa) { + unpin(arg, pa->bo); + pa->paddr = 0; + } + + if (pb && !ret) + ret = omap_gem_get_paddr(pb->bo, &pb->paddr, true); + } + + if (ret) { + /* something went wrong.. unpin what has been pinned */ + for (i = 0; i < nb; i++) { + struct plane *pb = &ofba->planes[i]; + if (pb->paddr) { + unpin(arg, pb->bo); + pb->paddr = 0; + } + } + } + + return ret; +} + struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p) { struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); - if (p >= drm_format_num_planes(omap_fb->format->pixel_format)) + if (p >= drm_format_num_planes(fb->pixel_format)) return NULL; return omap_fb->planes[p].bo; } @@ -249,6 +277,24 @@ void omap_framebuffer_flush(struct drm_framebuffer *fb, } } +#ifdef CONFIG_DEBUG_FS +void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m) +{ + struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); + int i, n = drm_format_num_planes(fb->pixel_format); + + seq_printf(m, "fb: %dx%d@%4.4s\n", fb->width, fb->height, + (char *)&fb->pixel_format); + + for (i = 0; i < n; i++) { + struct plane *plane = &omap_fb->planes[i]; + seq_printf(m, " %d: offset=%d pitch=%d, obj: ", + i, plane->offset, plane->pitch); + omap_gem_describe(plane->bo, m); + } +} +#endif + struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd) { @@ -337,8 +383,8 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, plane->bo = bos[i]; plane->offset = mode_cmd->offsets[i]; - plane->pitch = mode_cmd->pitches[i]; - plane->paddr = pitch; + plane->pitch = pitch; + plane->paddr = 0; } drm_helper_mode_fill_fb_struct(fb, mode_cmd); diff --git a/drivers/staging/omapdrm/omap_fbdev.c b/drivers/staging/omapdrm/omap_fbdev.c index 96940bbfc6f..11acd4c35ed 100644 --- a/drivers/staging/omapdrm/omap_fbdev.c +++ b/drivers/staging/omapdrm/omap_fbdev.c @@ -37,6 +37,9 @@ struct omap_fbdev { struct drm_framebuffer *fb; struct drm_gem_object *bo; bool ywrap_enabled; + + /* for deferred dmm roll when getting called in atomic ctx */ + struct work_struct work; }; static void omap_fbdev_flush(struct fb_info *fbi, int x, int y, int w, int h); @@ -75,12 +78,22 @@ static void omap_fbdev_imageblit(struct fb_info *fbi, image->width, image->height); } +static void pan_worker(struct work_struct *work) +{ + struct omap_fbdev *fbdev = container_of(work, struct omap_fbdev, work); + struct fb_info *fbi = fbdev->base.fbdev; + int npages; + + /* DMM roll shifts in 4K pages: */ + npages = fbi->fix.line_length >> PAGE_SHIFT; + omap_gem_roll(fbdev->bo, fbi->var.yoffset * npages); +} + static int omap_fbdev_pan_display(struct fb_var_screeninfo *var, struct fb_info *fbi) { struct drm_fb_helper *helper = get_fb(fbi); struct omap_fbdev *fbdev = to_omap_fbdev(helper); - int npages; if (!helper) goto fallback; @@ -88,9 +101,12 @@ static int omap_fbdev_pan_display(struct fb_var_screeninfo *var, if (!fbdev->ywrap_enabled) goto fallback; - /* DMM roll shifts in 4K pages: */ - npages = fbi->fix.line_length >> PAGE_SHIFT; - omap_gem_roll(fbdev->bo, var->yoffset * npages); + if (drm_can_sleep()) { + pan_worker(&fbdev->work); + } else { + struct omap_drm_private *priv = helper->dev->dev_private; + queue_work(priv->wq, &fbdev->work); + } return 0; @@ -336,6 +352,8 @@ struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev) goto fail; } + INIT_WORK(&fbdev->work, pan_worker); + helper = &fbdev->base; helper->funcs = &omap_fb_helper_funcs; diff --git a/drivers/staging/omapdrm/omap_gem.c b/drivers/staging/omapdrm/omap_gem.c index b7d6f886c5c..921f058cc6a 100644 --- a/drivers/staging/omapdrm/omap_gem.c +++ b/drivers/staging/omapdrm/omap_gem.c @@ -45,6 +45,8 @@ int _drm_gem_create_mmap_offset_size(struct drm_gem_object *obj, size_t size); struct omap_gem_object { struct drm_gem_object base; + struct list_head mm_list; + uint32_t flags; /** width/height for tiled formats (rounded up to slot boundaries) */ @@ -151,10 +153,23 @@ static void evict_entry(struct drm_gem_object *obj, enum tiler_fmt fmt, struct usergart_entry *entry) { if (obj->dev->dev_mapping) { - size_t size = PAGE_SIZE * usergart[fmt].height; + struct omap_gem_object *omap_obj = to_omap_bo(obj); + int n = usergart[fmt].height; + size_t size = PAGE_SIZE * n; loff_t off = mmap_offset(obj) + (entry->obj_pgoff << PAGE_SHIFT); - unmap_mapping_range(obj->dev->dev_mapping, off, size, 1); + const int m = 1 + ((omap_obj->width << fmt) / PAGE_SIZE); + if (m > 1) { + int i; + /* if stride > than PAGE_SIZE then sparse mapping: */ + for (i = n; i > 0; i--) { + unmap_mapping_range(obj->dev->dev_mapping, + off, PAGE_SIZE, 1); + off += PAGE_SIZE * m; + } + } else { + unmap_mapping_range(obj->dev->dev_mapping, off, size, 1); + } } entry->obj = NULL; @@ -254,13 +269,17 @@ static void omap_gem_detach_pages(struct drm_gem_object *obj) /** get mmap offset */ static uint64_t mmap_offset(struct drm_gem_object *obj) { + struct drm_device *dev = obj->dev; + + WARN_ON(!mutex_is_locked(&dev->struct_mutex)); + if (!obj->map_list.map) { /* Make it mmapable */ size_t size = omap_gem_mmap_size(obj); int ret = _drm_gem_create_mmap_offset_size(obj, size); if (ret) { - dev_err(obj->dev->dev, "could not allocate mmap offset"); + dev_err(dev->dev, "could not allocate mmap offset\n"); return 0; } } @@ -336,26 +355,39 @@ static int fault_2d(struct drm_gem_object *obj, void __user *vaddr; int i, ret, slots; - if (!usergart) - return -EFAULT; - - /* TODO: this fxn might need a bit tweaking to deal w/ tiled buffers - * that are wider than 4kb + /* + * Note the height of the slot is also equal to the number of pages + * that need to be mapped in to fill 4kb wide CPU page. If the slot + * height is 64, then 64 pages fill a 4kb wide by 64 row region. + */ + const int n = usergart[fmt].height; + const int n_shift = usergart[fmt].height_shift; + + /* + * If buffer width in bytes > PAGE_SIZE then the virtual stride is + * rounded up to next multiple of PAGE_SIZE.. this need to be taken + * into account in some of the math, so figure out virtual stride + * in pages */ + const int m = 1 + ((omap_obj->width << fmt) / PAGE_SIZE); /* We don't use vmf->pgoff since that has the fake offset: */ pgoff = ((unsigned long)vmf->virtual_address - vma->vm_start) >> PAGE_SHIFT; - /* actual address we start mapping at is rounded down to previous slot + /* + * Actual address we start mapping at is rounded down to previous slot * boundary in the y direction: */ - base_pgoff = round_down(pgoff, usergart[fmt].height); - vaddr = vmf->virtual_address - ((pgoff - base_pgoff) << PAGE_SHIFT); - entry = &usergart[fmt].entry[usergart[fmt].last]; + base_pgoff = round_down(pgoff, m << n_shift); + /* figure out buffer width in slots */ slots = omap_obj->width >> usergart[fmt].slot_shift; + vaddr = vmf->virtual_address - ((pgoff - base_pgoff) << PAGE_SHIFT); + + entry = &usergart[fmt].entry[usergart[fmt].last]; + /* evict previous buffer using this usergart entry, if any: */ if (entry->obj) evict_entry(entry->obj, fmt, entry); @@ -363,23 +395,30 @@ static int fault_2d(struct drm_gem_object *obj, entry->obj = obj; entry->obj_pgoff = base_pgoff; - /* now convert base_pgoff to phys offset from virt offset: - */ - base_pgoff = (base_pgoff >> usergart[fmt].height_shift) * slots; - - /* map in pages. Note the height of the slot is also equal to the - * number of pages that need to be mapped in to fill 4kb wide CPU page. - * If the height is 64, then 64 pages fill a 4kb wide by 64 row region. - * Beyond the valid pixel part of the buffer, we set pages[i] to NULL to - * get a dummy page mapped in.. if someone reads/writes it they will get - * random/undefined content, but at least it won't be corrupting - * whatever other random page used to be mapped in, or other undefined - * behavior. + /* now convert base_pgoff to phys offset from virt offset: */ + base_pgoff = (base_pgoff >> n_shift) * slots; + + /* for wider-than 4k.. figure out which part of the slot-row we want: */ + if (m > 1) { + int off = pgoff % m; + entry->obj_pgoff += off; + base_pgoff /= m; + slots = min(slots - (off << n_shift), n); + base_pgoff += off << n_shift; + vaddr += off << PAGE_SHIFT; + } + + /* + * Map in pages. Beyond the valid pixel part of the buffer, we set + * pages[i] to NULL to get a dummy page mapped in.. if someone + * reads/writes it they will get random/undefined content, but at + * least it won't be corrupting whatever other random page used to + * be mapped in, or other undefined behavior. */ memcpy(pages, &omap_obj->pages[base_pgoff], sizeof(struct page *) * slots); memset(pages + slots, 0, - sizeof(struct page *) * (usergart[fmt].height - slots)); + sizeof(struct page *) * (n - slots)); ret = tiler_pin(entry->block, pages, ARRAY_SIZE(pages), 0, true); if (ret) { @@ -387,16 +426,15 @@ static int fault_2d(struct drm_gem_object *obj, return ret; } - i = usergart[fmt].height; pfn = entry->paddr >> PAGE_SHIFT; VERB("Inserting %p pfn %lx, pa %lx", vmf->virtual_address, pfn, pfn << PAGE_SHIFT); - while (i--) { + for (i = n; i > 0; i--) { vm_insert_mixed(vma, (unsigned long)vaddr, pfn); pfn += usergart[fmt].stride_pfn; - vaddr += PAGE_SIZE; + vaddr += PAGE_SIZE * m; } /* simple round-robin: */ @@ -566,6 +604,8 @@ fail: /* Set scrolling position. This allows us to implement fast scrolling * for console. + * + * Call only from non-atomic contexts. */ int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll) { @@ -580,18 +620,6 @@ int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll) omap_obj->roll = roll; - if (in_atomic() || mutex_is_locked(&obj->dev->struct_mutex)) { - /* this can get called from fbcon in atomic context.. so - * just ignore it and wait for next time called from - * interruptible context to update the PAT.. the result - * may be that user sees wrap-around instead of scrolling - * momentarily on the screen. If we wanted to be fancier - * we could perhaps schedule some workqueue work at this - * point. - */ - return 0; - } - mutex_lock(&obj->dev->struct_mutex); /* if we aren't mapped yet, we don't need to do anything */ @@ -774,6 +802,56 @@ void *omap_gem_vaddr(struct drm_gem_object *obj) return omap_obj->vaddr; } +#ifdef CONFIG_DEBUG_FS +void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m) +{ + struct drm_device *dev = obj->dev; + struct omap_gem_object *omap_obj = to_omap_bo(obj); + uint64_t off = 0; + + WARN_ON(! mutex_is_locked(&dev->struct_mutex)); + + if (obj->map_list.map) + off = (uint64_t)obj->map_list.hash.key; + + seq_printf(m, "%08x: %2d (%2d) %08llx %08Zx (%2d) %p %4d", + omap_obj->flags, obj->name, obj->refcount.refcount.counter, + off, omap_obj->paddr, omap_obj->paddr_cnt, + omap_obj->vaddr, omap_obj->roll); + + if (omap_obj->flags & OMAP_BO_TILED) { + seq_printf(m, " %dx%d", omap_obj->width, omap_obj->height); + if (omap_obj->block) { + struct tcm_area *area = &omap_obj->block->area; + seq_printf(m, " (%dx%d, %dx%d)", + area->p0.x, area->p0.y, + area->p1.x, area->p1.y); + } + } else { + seq_printf(m, " %d", obj->size); + } + + seq_printf(m, "\n"); +} + +void omap_gem_describe_objects(struct list_head *list, struct seq_file *m) +{ + struct omap_gem_object *omap_obj; + int count = 0; + size_t size = 0; + + list_for_each_entry(omap_obj, list, mm_list) { + struct drm_gem_object *obj = &omap_obj->base; + seq_printf(m, " "); + omap_gem_describe(obj, m); + count++; + size += obj->size; + } + + seq_printf(m, "Total %d objects, %zu bytes\n", count, size); +} +#endif + /* Buffer Synchronization: */ @@ -1040,6 +1118,10 @@ void omap_gem_free_object(struct drm_gem_object *obj) evict(obj); + WARN_ON(!mutex_is_locked(&dev->struct_mutex)); + + list_del(&omap_obj->mm_list); + if (obj->map_list.map) { drm_gem_free_mmap_offset(obj); } @@ -1140,6 +1222,8 @@ struct drm_gem_object *omap_gem_new(struct drm_device *dev, goto fail; } + list_add(&omap_obj->mm_list, &priv->obj_list); + obj = &omap_obj->base; if ((flags & OMAP_BO_SCANOUT) && !priv->has_dmm) { @@ -1186,12 +1270,11 @@ void omap_gem_init(struct drm_device *dev) const enum tiler_fmt fmts[] = { TILFMT_8BIT, TILFMT_16BIT, TILFMT_32BIT }; - int i, j, ret; + int i, j; - ret = omap_dmm_init(dev); - if (ret) { + if (!dmm_is_initialized()) { /* DMM only supported on OMAP4 and later, so this isn't fatal */ - dev_warn(dev->dev, "omap_dmm_init failed, disabling DMM\n"); + dev_warn(dev->dev, "DMM not available, disable DMM support\n"); return; } @@ -1241,6 +1324,5 @@ void omap_gem_deinit(struct drm_device *dev) /* I believe we can rely on there being no more outstanding GEM * objects which could depend on usergart/dmm at this point. */ - omap_dmm_remove(); kfree(usergart); } diff --git a/drivers/staging/omapdrm/omap_gem_helpers.c b/drivers/staging/omapdrm/omap_gem_helpers.c index 29275c7209e..f895363a5e5 100644 --- a/drivers/staging/omapdrm/omap_gem_helpers.c +++ b/drivers/staging/omapdrm/omap_gem_helpers.c @@ -84,7 +84,7 @@ fail: page_cache_release(pages[i]); } drm_free_large(pages); - return ERR_PTR(PTR_ERR(p)); + return ERR_CAST(p); } /** diff --git a/drivers/staging/omapdrm/omap_plane.c b/drivers/staging/omapdrm/omap_plane.c index 97909124a1f..7997be74010 100644 --- a/drivers/staging/omapdrm/omap_plane.c +++ b/drivers/staging/omapdrm/omap_plane.c @@ -17,6 +17,8 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/kfifo.h> + #include "omap_drv.h" /* some hackery because omapdss has an 'enum omap_plane' (which would be @@ -29,6 +31,11 @@ * plane funcs */ +struct callback { + void (*fxn)(void *); + void *arg; +}; + #define to_omap_plane(x) container_of(x, struct omap_plane, base) struct omap_plane { @@ -43,8 +50,84 @@ struct omap_plane { /* last fb that we pinned: */ struct drm_framebuffer *pinned_fb; + + uint32_t nformats; + uint32_t formats[32]; + + /* for synchronizing access to unpins fifo */ + struct mutex unpin_mutex; + + /* set of bo's pending unpin until next END_WIN irq */ + DECLARE_KFIFO_PTR(unpin_fifo, struct drm_gem_object *); + int num_unpins, pending_num_unpins; + + /* for deferred unpin when we need to wait for scanout complete irq */ + struct work_struct work; + + /* callback on next endwin irq */ + struct callback endwin; }; +/* map from ovl->id to the irq we are interested in for scanout-done */ +static const uint32_t id2irq[] = { + [OMAP_DSS_GFX] = DISPC_IRQ_GFX_END_WIN, + [OMAP_DSS_VIDEO1] = DISPC_IRQ_VID1_END_WIN, + [OMAP_DSS_VIDEO2] = DISPC_IRQ_VID2_END_WIN, + [OMAP_DSS_VIDEO3] = DISPC_IRQ_VID3_END_WIN, +}; + +static void dispc_isr(void *arg, uint32_t mask) +{ + struct drm_plane *plane = arg; + struct omap_plane *omap_plane = to_omap_plane(plane); + struct omap_drm_private *priv = plane->dev->dev_private; + + omap_dispc_unregister_isr(dispc_isr, plane, + id2irq[omap_plane->ovl->id]); + + queue_work(priv->wq, &omap_plane->work); +} + +static void unpin_worker(struct work_struct *work) +{ + struct omap_plane *omap_plane = + container_of(work, struct omap_plane, work); + struct callback endwin; + + mutex_lock(&omap_plane->unpin_mutex); + DBG("unpinning %d of %d", omap_plane->num_unpins, + omap_plane->num_unpins + omap_plane->pending_num_unpins); + while (omap_plane->num_unpins > 0) { + struct drm_gem_object *bo = NULL; + int ret = kfifo_get(&omap_plane->unpin_fifo, &bo); + WARN_ON(!ret); + omap_gem_put_paddr(bo); + drm_gem_object_unreference_unlocked(bo); + omap_plane->num_unpins--; + } + endwin = omap_plane->endwin; + omap_plane->endwin.fxn = NULL; + mutex_unlock(&omap_plane->unpin_mutex); + + if (endwin.fxn) + endwin.fxn(endwin.arg); +} + +static void install_irq(struct drm_plane *plane) +{ + struct omap_plane *omap_plane = to_omap_plane(plane); + struct omap_overlay *ovl = omap_plane->ovl; + int ret; + + ret = omap_dispc_register_isr(dispc_isr, plane, id2irq[ovl->id]); + + /* + * omapdss has upper limit on # of registered irq handlers, + * which we shouldn't hit.. but if we do the limit should + * be raised or bad things happen: + */ + WARN_ON(ret == -EBUSY); +} /* push changes down to dss2 */ static int commit(struct drm_plane *plane) @@ -71,6 +154,11 @@ static int commit(struct drm_plane *plane) return ret; } + mutex_lock(&omap_plane->unpin_mutex); + omap_plane->num_unpins += omap_plane->pending_num_unpins; + omap_plane->pending_num_unpins = 0; + mutex_unlock(&omap_plane->unpin_mutex); + /* our encoder doesn't necessarily get a commit() after this, in * particular in the dpms() and mode_set_base() cases, so force the * manager to update: @@ -83,8 +171,20 @@ static int commit(struct drm_plane *plane) dev_err(dev->dev, "could not apply settings\n"); return ret; } + + /* + * NOTE: really this should be atomic w/ mgr->apply() but + * omapdss does not expose such an API + */ + if (omap_plane->num_unpins > 0) + install_irq(plane); + + } else { + struct omap_drm_private *priv = dev->dev_private; + queue_work(priv->wq, &omap_plane->work); } + if (ovl->is_enabled(ovl)) { omap_framebuffer_flush(plane->fb, info->pos_x, info->pos_y, info->out_width, info->out_height); @@ -137,21 +237,48 @@ static void update_manager(struct drm_plane *plane) } } +static void unpin(void *arg, struct drm_gem_object *bo) +{ + struct drm_plane *plane = arg; + struct omap_plane *omap_plane = to_omap_plane(plane); + + if (kfifo_put(&omap_plane->unpin_fifo, + (const struct drm_gem_object **)&bo)) { + omap_plane->pending_num_unpins++; + /* also hold a ref so it isn't free'd while pinned */ + drm_gem_object_reference(bo); + } else { + dev_err(plane->dev->dev, "unpin fifo full!\n"); + omap_gem_put_paddr(bo); + } +} + /* update which fb (if any) is pinned for scanout */ static int update_pin(struct drm_plane *plane, struct drm_framebuffer *fb) { struct omap_plane *omap_plane = to_omap_plane(plane); - int ret = 0; + struct drm_framebuffer *pinned_fb = omap_plane->pinned_fb; + + if (pinned_fb != fb) { + int ret; + + DBG("%p -> %p", pinned_fb, fb); + + mutex_lock(&omap_plane->unpin_mutex); + ret = omap_framebuffer_replace(pinned_fb, fb, plane, unpin); + mutex_unlock(&omap_plane->unpin_mutex); + + if (ret) { + dev_err(plane->dev->dev, "could not swap %p -> %p\n", + omap_plane->pinned_fb, fb); + omap_plane->pinned_fb = NULL; + return ret; + } - if (omap_plane->pinned_fb != fb) { - if (omap_plane->pinned_fb) - omap_framebuffer_unpin(omap_plane->pinned_fb); omap_plane->pinned_fb = fb; - if (fb) - ret = omap_framebuffer_pin(fb); } - return ret; + return 0; } /* update parameters that are dependent on the framebuffer dimensions and @@ -241,6 +368,8 @@ static void omap_plane_destroy(struct drm_plane *plane) DBG("%s", omap_plane->ovl->name); omap_plane_disable(plane); drm_plane_cleanup(plane); + WARN_ON(omap_plane->pending_num_unpins + omap_plane->num_unpins > 0); + kfifo_free(&omap_plane->unpin_fifo); kfree(omap_plane); } @@ -258,37 +387,34 @@ int omap_plane_dpms(struct drm_plane *plane, int mode) if (!r) r = ovl->enable(ovl); } else { + struct omap_drm_private *priv = plane->dev->dev_private; r = ovl->disable(ovl); update_pin(plane, NULL); + queue_work(priv->wq, &omap_plane->work); } return r; } +void omap_plane_on_endwin(struct drm_plane *plane, + void (*fxn)(void *), void *arg) +{ + struct omap_plane *omap_plane = to_omap_plane(plane); + + mutex_lock(&omap_plane->unpin_mutex); + omap_plane->endwin.fxn = fxn; + omap_plane->endwin.arg = arg; + mutex_unlock(&omap_plane->unpin_mutex); + + install_irq(plane); +} + static const struct drm_plane_funcs omap_plane_funcs = { .update_plane = omap_plane_update, .disable_plane = omap_plane_disable, .destroy = omap_plane_destroy, }; -static const uint32_t formats[] = { - DRM_FORMAT_RGB565, - DRM_FORMAT_RGBX4444, - DRM_FORMAT_XRGB4444, - DRM_FORMAT_RGBA4444, - DRM_FORMAT_ABGR4444, - DRM_FORMAT_XRGB1555, - DRM_FORMAT_ARGB1555, - DRM_FORMAT_RGB888, - DRM_FORMAT_RGBX8888, - DRM_FORMAT_XRGB8888, - DRM_FORMAT_RGBA8888, - DRM_FORMAT_ARGB8888, - DRM_FORMAT_NV12, - DRM_FORMAT_YUYV, - DRM_FORMAT_UYVY, -}; - /* initialize plane */ struct drm_plane *omap_plane_init(struct drm_device *dev, struct omap_overlay *ovl, unsigned int possible_crtcs, @@ -296,21 +422,38 @@ struct drm_plane *omap_plane_init(struct drm_device *dev, { struct drm_plane *plane = NULL; struct omap_plane *omap_plane; + int ret; DBG("%s: possible_crtcs=%08x, priv=%d", ovl->name, possible_crtcs, priv); + /* friendly reminder to update table for future hw: */ + WARN_ON(ovl->id >= ARRAY_SIZE(id2irq)); + omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL); if (!omap_plane) { dev_err(dev->dev, "could not allocate plane\n"); goto fail; } + mutex_init(&omap_plane->unpin_mutex); + + ret = kfifo_alloc(&omap_plane->unpin_fifo, 16, GFP_KERNEL); + if (ret) { + dev_err(dev->dev, "could not allocate unpin FIFO\n"); + goto fail; + } + + INIT_WORK(&omap_plane->work, unpin_worker); + + omap_plane->nformats = omap_framebuffer_get_formats( + omap_plane->formats, ARRAY_SIZE(omap_plane->formats), + ovl->supported_modes); omap_plane->ovl = ovl; plane = &omap_plane->base; drm_plane_init(dev, plane, possible_crtcs, &omap_plane_funcs, - formats, ARRAY_SIZE(formats), priv); + omap_plane->formats, omap_plane->nformats, priv); /* get our starting configuration, set defaults for parameters * we don't currently use, etc: @@ -330,7 +473,7 @@ struct drm_plane *omap_plane_init(struct drm_device *dev, if (priv) omap_plane->info.zorder = 0; else - omap_plane->info.zorder = 1; + omap_plane->info.zorder = ovl->id; update_manager(plane); diff --git a/drivers/staging/ozwpan/Kbuild b/drivers/staging/ozwpan/Kbuild new file mode 100644 index 00000000000..6cc84cb3f0a --- /dev/null +++ b/drivers/staging/ozwpan/Kbuild @@ -0,0 +1,19 @@ +# ----------------------------------------------------------------------------- +# Copyright (c) 2011 Ozmo Inc +# Released under the GNU General Public License Version 2 (GPLv2). +# ----------------------------------------------------------------------------- +obj-$(CONFIG_USB_WPAN_HCD) += ozwpan.o +ozwpan-y := \ + ozmain.o \ + ozpd.o \ + ozusbsvc.o \ + ozusbsvc1.o \ + ozhcd.o \ + ozeltbuf.o \ + ozproto.o \ + ozcdev.o \ + ozurbparanoia.o \ + oztrace.o \ + ozevent.o + + diff --git a/drivers/staging/ozwpan/Kconfig b/drivers/staging/ozwpan/Kconfig new file mode 100644 index 00000000000..7904caec546 --- /dev/null +++ b/drivers/staging/ozwpan/Kconfig @@ -0,0 +1,9 @@ +config USB_WPAN_HCD + tristate "USB over WiFi Host Controller" + depends on USB && NET + help + A driver for USB Host Controllers that are compatible with + Ozmo Devices USB over WiFi technology. + + To compile this driver a module, choose M here: the module + will be called "ozwpan". diff --git a/drivers/staging/ozwpan/README b/drivers/staging/ozwpan/README new file mode 100644 index 00000000000..bb1a69b9454 --- /dev/null +++ b/drivers/staging/ozwpan/README @@ -0,0 +1,25 @@ +OZWPAN USB Host Controller Driver +--------------------------------- +This driver is a USB HCD driver that does not have an associated a physical +device but instead uses Wi-Fi to communicate with the wireless peripheral. +The USB requests are converted into a layer 2 network protocol and transmitted +on the network using an ethertype (0x892e) regestered to Ozmo Device Inc. +This driver is compatible with existing wireless devices that use Ozmo Devices +technology. + +To operate the driver must be bound to a suitable network interface. This can +be done when the module is loaded (specifying the name of the network interface +as a paramter - e.g. 'insmod ozwpan g_net_dev=go0') or can be bound after +loading using an ioctl call. See the ozappif.h file and the ioctls +OZ_IOCTL_ADD_BINDING and OZ_IOCTL_REMOVE_BINDING. + +The devices connect to the host use Wi-Fi Direct so a network card that supports +Wi-Fi direct is required. A recent version (0.8.x or later) version of the +wpa_supplicant can be used to setup the network interface to create a persistent +autonomous group (for older pre-WFD peripherals) or put in a listen state to +allow group negotiation to occur for more recent devices that support WFD. + +The protocol used over the network does not directly mimic the USB bus +transactions as this would be rather busy and inefficient. Instead the chapter 9 +requests are converted into a request/response pair of messages. (See +ozprotocol.h for data structures used in the protocol). diff --git a/drivers/staging/ozwpan/TODO b/drivers/staging/ozwpan/TODO new file mode 100644 index 00000000000..f7a9c122f59 --- /dev/null +++ b/drivers/staging/ozwpan/TODO @@ -0,0 +1,12 @@ +TODO: + - review user mode interface and determine if ioctls can be replaced + with something better. correctly export data structures to user mode + if ioctls are still required and allocate ioctl numbers from + ioctl-number.txt. + - check USB HCD implementation is complete and correct. + - remove any debug and trace code. + - code review by USB developer community. + - testing with as many devices as possible. + +Please send any patches for this driver to Chris Kelly <ckelly@ozmodevices.com> +and Greg Kroah-Hartman <gregkh@linuxfoundation.org>. diff --git a/drivers/staging/ozwpan/ozappif.h b/drivers/staging/ozwpan/ozappif.h new file mode 100644 index 00000000000..af027329387 --- /dev/null +++ b/drivers/staging/ozwpan/ozappif.h @@ -0,0 +1,46 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#ifndef _OZAPPIF_H +#define _OZAPPIF_H + +#include "ozeventdef.h" + +#define OZ_IOCTL_MAGIC 0xf4 + +struct oz_mac_addr { + unsigned char a[6]; +}; + +#define OZ_MAX_PDS 8 + +struct oz_pd_list { + int count; + struct oz_mac_addr addr[OZ_MAX_PDS]; +}; + +#define OZ_MAX_BINDING_LEN 32 + +struct oz_binding_info { + char name[OZ_MAX_BINDING_LEN]; +}; + +struct oz_test { + int action; +}; + +#define OZ_IOCTL_GET_PD_LIST _IOR(OZ_IOCTL_MAGIC, 0, struct oz_pd_list) +#define OZ_IOCTL_SET_ACTIVE_PD _IOW(OZ_IOCTL_MAGIC, 1, struct oz_mac_addr) +#define OZ_IOCTL_GET_ACTIVE_PD _IOR(OZ_IOCTL_MAGIC, 2, struct oz_mac_addr) +#define OZ_IOCTL_CLEAR_EVENTS _IO(OZ_IOCTL_MAGIC, 3) +#define OZ_IOCTL_GET_EVENTS _IOR(OZ_IOCTL_MAGIC, 4, struct oz_evtlist) +#define OZ_IOCTL_ADD_BINDING _IOW(OZ_IOCTL_MAGIC, 5, struct oz_binding_info) +#define OZ_IOCTL_TEST _IOWR(OZ_IOCTL_MAGIC, 6, struct oz_test) +#define OZ_IOCTL_SET_EVENT_MASK _IOW(OZ_IOCTL_MAGIC, 7, unsigned long) +#define OZ_IOCTL_REMOVE_BINDING _IOW(OZ_IOCTL_MAGIC, 8, struct oz_binding_info) +#define OZ_IOCTL_MAX 9 + + +#endif /* _OZAPPIF_H */ diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c new file mode 100644 index 00000000000..1c380d68796 --- /dev/null +++ b/drivers/staging/ozwpan/ozcdev.c @@ -0,0 +1,521 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#include <linux/module.h> +#include <linux/fs.h> +#include <linux/cdev.h> +#include <linux/uaccess.h> +#include <linux/netdevice.h> +#include <linux/poll.h> +#include <linux/sched.h> +#include "ozconfig.h" +#include "ozprotocol.h" +#include "oztrace.h" +#include "ozappif.h" +#include "ozeltbuf.h" +#include "ozpd.h" +#include "ozproto.h" +#include "ozevent.h" +/*------------------------------------------------------------------------------ + */ +#define OZ_RD_BUF_SZ 256 +struct oz_cdev { + dev_t devnum; + struct cdev cdev; + wait_queue_head_t rdq; + spinlock_t lock; + u8 active_addr[ETH_ALEN]; + struct oz_pd *active_pd; +}; + +/* Per PD context for the serial service stored in the PD. */ +struct oz_serial_ctx { + atomic_t ref_count; + u8 tx_seq_num; + u8 rx_seq_num; + u8 rd_buf[OZ_RD_BUF_SZ]; + int rd_in; + int rd_out; +}; +/*------------------------------------------------------------------------------ + */ +int g_taction; +/*------------------------------------------------------------------------------ + */ +static struct oz_cdev g_cdev; +/*------------------------------------------------------------------------------ + * Context: process and softirq + */ +static struct oz_serial_ctx *oz_cdev_claim_ctx(struct oz_pd *pd) +{ + struct oz_serial_ctx *ctx; + spin_lock_bh(&pd->app_lock[OZ_APPID_SERIAL-1]); + ctx = (struct oz_serial_ctx *)pd->app_ctx[OZ_APPID_SERIAL-1]; + if (ctx) + atomic_inc(&ctx->ref_count); + spin_unlock_bh(&pd->app_lock[OZ_APPID_SERIAL-1]); + return ctx; +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +static void oz_cdev_release_ctx(struct oz_serial_ctx *ctx) +{ + if (atomic_dec_and_test(&ctx->ref_count)) { + oz_trace("Dealloc serial context.\n"); + kfree(ctx); + } +} +/*------------------------------------------------------------------------------ + * Context: process + */ +int oz_cdev_open(struct inode *inode, struct file *filp) +{ + struct oz_cdev *dev; + oz_trace("oz_cdev_open()\n"); + oz_trace("major = %d minor = %d\n", imajor(inode), iminor(inode)); + dev = container_of(inode->i_cdev, struct oz_cdev, cdev); + filp->private_data = dev; + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +int oz_cdev_release(struct inode *inode, struct file *filp) +{ + oz_trace("oz_cdev_release()\n"); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +ssize_t oz_cdev_read(struct file *filp, char __user *buf, size_t count, + loff_t *fpos) +{ + int n; + int ix; + + struct oz_pd *pd; + struct oz_serial_ctx *ctx = 0; + + spin_lock_bh(&g_cdev.lock); + pd = g_cdev.active_pd; + if (pd) + oz_pd_get(pd); + spin_unlock_bh(&g_cdev.lock); + if (pd == 0) + return -1; + ctx = oz_cdev_claim_ctx(pd); + if (ctx == 0) + goto out2; + n = ctx->rd_in - ctx->rd_out; + if (n < 0) + n += OZ_RD_BUF_SZ; + if (count > n) + count = n; + ix = ctx->rd_out; + n = OZ_RD_BUF_SZ - ix; + if (n > count) + n = count; + if (copy_to_user(buf, &ctx->rd_buf[ix], n)) { + count = 0; + goto out1; + } + ix += n; + if (ix == OZ_RD_BUF_SZ) + ix = 0; + if (n < count) { + if (copy_to_user(&buf[n], ctx->rd_buf, count-n)) { + count = 0; + goto out1; + } + ix = count-n; + } + ctx->rd_out = ix; +out1: + oz_cdev_release_ctx(ctx); +out2: + oz_pd_put(pd); + return count; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +ssize_t oz_cdev_write(struct file *filp, const char __user *buf, size_t count, + loff_t *fpos) +{ + struct oz_pd *pd; + struct oz_elt_buf *eb; + struct oz_elt_info *ei = 0; + struct oz_elt *elt; + struct oz_app_hdr *app_hdr; + struct oz_serial_ctx *ctx; + + spin_lock_bh(&g_cdev.lock); + pd = g_cdev.active_pd; + if (pd) + oz_pd_get(pd); + spin_unlock_bh(&g_cdev.lock); + if (pd == 0) + return -1; + eb = &pd->elt_buff; + ei = oz_elt_info_alloc(eb); + if (ei == 0) { + count = 0; + goto out; + } + elt = (struct oz_elt *)ei->data; + app_hdr = (struct oz_app_hdr *)(elt+1); + elt->length = sizeof(struct oz_app_hdr) + count; + elt->type = OZ_ELT_APP_DATA; + ei->app_id = OZ_APPID_SERIAL; + ei->length = elt->length + sizeof(struct oz_elt); + app_hdr->app_id = OZ_APPID_SERIAL; + if (copy_from_user(app_hdr+1, buf, count)) + goto out; + spin_lock_bh(&pd->app_lock[OZ_APPID_USB-1]); + ctx = (struct oz_serial_ctx *)pd->app_ctx[OZ_APPID_SERIAL-1]; + if (ctx) { + app_hdr->elt_seq_num = ctx->tx_seq_num++; + if (ctx->tx_seq_num == 0) + ctx->tx_seq_num = 1; + spin_lock(&eb->lock); + if (oz_queue_elt_info(eb, 0, 0, ei) == 0) + ei = 0; + spin_unlock(&eb->lock); + } + spin_unlock_bh(&pd->app_lock[OZ_APPID_USB-1]); +out: + if (ei) { + count = 0; + spin_lock_bh(&eb->lock); + oz_elt_info_free(eb, ei); + spin_unlock_bh(&eb->lock); + } + oz_pd_put(pd); + return count; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static int oz_set_active_pd(u8 *addr) +{ + int rc = 0; + struct oz_pd *pd; + struct oz_pd *old_pd; + pd = oz_pd_find(addr); + if (pd) { + spin_lock_bh(&g_cdev.lock); + memcpy(g_cdev.active_addr, addr, ETH_ALEN); + old_pd = g_cdev.active_pd; + g_cdev.active_pd = pd; + spin_unlock_bh(&g_cdev.lock); + if (old_pd) + oz_pd_put(old_pd); + } else { + if (!memcmp(addr, "\0\0\0\0\0\0", sizeof(addr))) { + spin_lock_bh(&g_cdev.lock); + pd = g_cdev.active_pd; + g_cdev.active_pd = 0; + memset(g_cdev.active_addr, 0, + sizeof(g_cdev.active_addr)); + spin_unlock_bh(&g_cdev.lock); + if (pd) + oz_pd_put(pd); + } else { + rc = -1; + } + } + return rc; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +long oz_cdev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + int rc = 0; + if (_IOC_TYPE(cmd) != OZ_IOCTL_MAGIC) + return -ENOTTY; + if (_IOC_NR(cmd) > OZ_IOCTL_MAX) + return -ENOTTY; + if (_IOC_DIR(cmd) & _IOC_READ) + rc = !access_ok(VERIFY_WRITE, (void __user *)arg, + _IOC_SIZE(cmd)); + else if (_IOC_DIR(cmd) & _IOC_WRITE) + rc = !access_ok(VERIFY_READ, (void __user *)arg, + _IOC_SIZE(cmd)); + if (rc) + return -EFAULT; + switch (cmd) { + case OZ_IOCTL_GET_PD_LIST: { + struct oz_pd_list list; + oz_trace("OZ_IOCTL_GET_PD_LIST\n"); + list.count = oz_get_pd_list(list.addr, OZ_MAX_PDS); + if (copy_to_user((void __user *)arg, &list, + sizeof(list))) + return -EFAULT; + } + break; + case OZ_IOCTL_SET_ACTIVE_PD: { + u8 addr[ETH_ALEN]; + oz_trace("OZ_IOCTL_SET_ACTIVE_PD\n"); + if (copy_from_user(addr, (void __user *)arg, ETH_ALEN)) + return -EFAULT; + rc = oz_set_active_pd(addr); + } + break; + case OZ_IOCTL_GET_ACTIVE_PD: { + u8 addr[ETH_ALEN]; + oz_trace("OZ_IOCTL_GET_ACTIVE_PD\n"); + spin_lock_bh(&g_cdev.lock); + memcpy(addr, g_cdev.active_addr, ETH_ALEN); + spin_unlock_bh(&g_cdev.lock); + if (copy_to_user((void __user *)arg, addr, ETH_ALEN)) + return -EFAULT; + } + break; +#ifdef WANT_EVENT_TRACE + case OZ_IOCTL_CLEAR_EVENTS: + oz_events_clear(); + break; + case OZ_IOCTL_GET_EVENTS: + rc = oz_events_copy((void __user *)arg); + break; + case OZ_IOCTL_SET_EVENT_MASK: + if (copy_from_user(&g_evt_mask, (void __user *)arg, + sizeof(unsigned long))) { + return -EFAULT; + } + break; +#endif /* WANT_EVENT_TRACE */ + case OZ_IOCTL_ADD_BINDING: + case OZ_IOCTL_REMOVE_BINDING: { + struct oz_binding_info b; + if (copy_from_user(&b, (void __user *)arg, + sizeof(struct oz_binding_info))) { + return -EFAULT; + } + /* Make sure name is null terminated. */ + b.name[OZ_MAX_BINDING_LEN-1] = 0; + if (cmd == OZ_IOCTL_ADD_BINDING) + oz_binding_add(b.name); + else + oz_binding_remove(b.name); + } + break; + } + return rc; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +unsigned int oz_cdev_poll(struct file *filp, poll_table *wait) +{ + unsigned int ret = 0; + struct oz_cdev *dev = filp->private_data; + oz_trace("Poll called wait = %p\n", wait); + spin_lock_bh(&dev->lock); + if (dev->active_pd) { + struct oz_serial_ctx *ctx = oz_cdev_claim_ctx(dev->active_pd); + if (ctx) { + if (ctx->rd_in != ctx->rd_out) + ret |= POLLIN | POLLRDNORM; + oz_cdev_release_ctx(ctx); + } + } + spin_unlock_bh(&dev->lock); + if (wait) + poll_wait(filp, &dev->rdq, wait); + return ret; +} +/*------------------------------------------------------------------------------ + */ +const struct file_operations oz_fops = { + .owner = THIS_MODULE, + .open = oz_cdev_open, + .release = oz_cdev_release, + .read = oz_cdev_read, + .write = oz_cdev_write, + .unlocked_ioctl = oz_cdev_ioctl, + .poll = oz_cdev_poll +}; +/*------------------------------------------------------------------------------ + * Context: process + */ +int oz_cdev_register(void) +{ + int err; + memset(&g_cdev, 0, sizeof(g_cdev)); + err = alloc_chrdev_region(&g_cdev.devnum, 0, 1, "ozwpan"); + if (err < 0) + return err; + oz_trace("Alloc dev number %d:%d\n", MAJOR(g_cdev.devnum), + MINOR(g_cdev.devnum)); + cdev_init(&g_cdev.cdev, &oz_fops); + g_cdev.cdev.owner = THIS_MODULE; + g_cdev.cdev.ops = &oz_fops; + spin_lock_init(&g_cdev.lock); + init_waitqueue_head(&g_cdev.rdq); + err = cdev_add(&g_cdev.cdev, g_cdev.devnum, 1); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +int oz_cdev_deregister(void) +{ + cdev_del(&g_cdev.cdev); + unregister_chrdev_region(g_cdev.devnum, 1); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +int oz_cdev_init(void) +{ + oz_event_log(OZ_EVT_SERVICE, 1, OZ_APPID_SERIAL, 0, 0); + oz_app_enable(OZ_APPID_SERIAL, 1); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +void oz_cdev_term(void) +{ + oz_event_log(OZ_EVT_SERVICE, 2, OZ_APPID_SERIAL, 0, 0); + oz_app_enable(OZ_APPID_SERIAL, 0); +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +int oz_cdev_start(struct oz_pd *pd, int resume) +{ + struct oz_serial_ctx *ctx; + struct oz_serial_ctx *old_ctx = 0; + oz_event_log(OZ_EVT_SERVICE, 3, OZ_APPID_SERIAL, 0, resume); + if (resume) { + oz_trace("Serial service resumed.\n"); + return 0; + } + ctx = kzalloc(sizeof(struct oz_serial_ctx), GFP_ATOMIC); + if (ctx == 0) + return -ENOMEM; + atomic_set(&ctx->ref_count, 1); + ctx->tx_seq_num = 1; + spin_lock_bh(&pd->app_lock[OZ_APPID_SERIAL-1]); + old_ctx = pd->app_ctx[OZ_APPID_SERIAL-1]; + if (old_ctx) { + spin_unlock_bh(&pd->app_lock[OZ_APPID_SERIAL-1]); + kfree(ctx); + } else { + pd->app_ctx[OZ_APPID_SERIAL-1] = ctx; + spin_unlock_bh(&pd->app_lock[OZ_APPID_SERIAL-1]); + } + spin_lock(&g_cdev.lock); + if ((g_cdev.active_pd == 0) && + (memcmp(pd->mac_addr, g_cdev.active_addr, ETH_ALEN) == 0)) { + oz_pd_get(pd); + g_cdev.active_pd = pd; + oz_trace("Active PD arrived.\n"); + } + spin_unlock(&g_cdev.lock); + oz_trace("Serial service started.\n"); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_cdev_stop(struct oz_pd *pd, int pause) +{ + struct oz_serial_ctx *ctx; + oz_event_log(OZ_EVT_SERVICE, 4, OZ_APPID_SERIAL, 0, pause); + if (pause) { + oz_trace("Serial service paused.\n"); + return; + } + spin_lock_bh(&pd->app_lock[OZ_APPID_SERIAL-1]); + ctx = (struct oz_serial_ctx *)pd->app_ctx[OZ_APPID_SERIAL-1]; + pd->app_ctx[OZ_APPID_SERIAL-1] = 0; + spin_unlock_bh(&pd->app_lock[OZ_APPID_SERIAL-1]); + if (ctx) + oz_cdev_release_ctx(ctx); + spin_lock(&g_cdev.lock); + if (pd == g_cdev.active_pd) + g_cdev.active_pd = 0; + else + pd = 0; + spin_unlock(&g_cdev.lock); + if (pd) { + oz_pd_put(pd); + oz_trace("Active PD departed.\n"); + } + oz_trace("Serial service stopped.\n"); +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +void oz_cdev_rx(struct oz_pd *pd, struct oz_elt *elt) +{ + struct oz_serial_ctx *ctx; + struct oz_app_hdr *app_hdr; + u8 *data; + int len; + int space; + int copy_sz; + int ix; + + ctx = oz_cdev_claim_ctx(pd); + if (ctx == 0) { + oz_trace("Cannot claim serial context.\n"); + return; + } + + app_hdr = (struct oz_app_hdr *)(elt+1); + /* If sequence number is non-zero then check it is not a duplicate. + */ + if (app_hdr->elt_seq_num != 0) { + if (((ctx->rx_seq_num - app_hdr->elt_seq_num) & 0x80) == 0) { + /* Reject duplicate element. */ + oz_trace("Duplicate element:%02x %02x\n", + app_hdr->elt_seq_num, ctx->rx_seq_num); + goto out; + } + } + ctx->rx_seq_num = app_hdr->elt_seq_num; + len = elt->length - sizeof(struct oz_app_hdr); + data = ((u8 *)(elt+1)) + sizeof(struct oz_app_hdr); + if (len <= 0) + goto out; + space = ctx->rd_out - ctx->rd_in - 1; + if (space < 0) + space += OZ_RD_BUF_SZ; + if (len > space) { + oz_trace("Not enough space:%d %d\n", len, space); + len = space; + } + ix = ctx->rd_in; + copy_sz = OZ_RD_BUF_SZ - ix; + if (copy_sz > len) + copy_sz = len; + memcpy(&ctx->rd_buf[ix], data, copy_sz); + len -= copy_sz; + ix += copy_sz; + if (ix == OZ_RD_BUF_SZ) + ix = 0; + if (len) { + memcpy(ctx->rd_buf, data+copy_sz, len); + ix = len; + } + ctx->rd_in = ix; + wake_up(&g_cdev.rdq); +out: + oz_cdev_release_ctx(ctx); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +void oz_cdev_heartbeat(struct oz_pd *pd) +{ +} diff --git a/drivers/staging/ozwpan/ozcdev.h b/drivers/staging/ozwpan/ozcdev.h new file mode 100644 index 00000000000..698014bb8d7 --- /dev/null +++ b/drivers/staging/ozwpan/ozcdev.h @@ -0,0 +1,18 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#ifndef _OZCDEV_H +#define _OZCDEV_H + +int oz_cdev_register(void); +int oz_cdev_deregister(void); +int oz_cdev_init(void); +void oz_cdev_term(void); +int oz_cdev_start(struct oz_pd *pd, int resume); +void oz_cdev_stop(struct oz_pd *pd, int pause); +void oz_cdev_rx(struct oz_pd *pd, struct oz_elt *elt); +void oz_cdev_heartbeat(struct oz_pd *pd); + +#endif /* _OZCDEV_H */ diff --git a/drivers/staging/ozwpan/ozconfig.h b/drivers/staging/ozwpan/ozconfig.h new file mode 100644 index 00000000000..43e6373a009 --- /dev/null +++ b/drivers/staging/ozwpan/ozconfig.h @@ -0,0 +1,27 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ---------------------------------------------------------------------------*/ +#ifndef _OZCONFIG_H +#define _OZCONFIG_H + +/* #define WANT_TRACE */ +#ifdef WANT_TRACE +#define WANT_VERBOSE_TRACE +#endif /* #ifdef WANT_TRACE */ +/* #define WANT_URB_PARANOIA */ + +/* #define WANT_PRE_2_6_39 */ +#define WANT_EVENT_TRACE + +/* These defines determine what verbose trace is displayed. */ +#ifdef WANT_VERBOSE_TRACE +/* #define WANT_TRACE_STREAM */ +/* #define WANT_TRACE_URB */ +/* #define WANT_TRACE_CTRL_DETAIL */ +#define WANT_TRACE_HUB +/* #define WANT_TRACE_RX_FRAMES */ +/* #define WANT_TRACE_TX_FRAMES */ +#endif /* WANT_VERBOSE_TRACE */ + +#endif /* _OZCONFIG_H */ diff --git a/drivers/staging/ozwpan/ozeltbuf.c b/drivers/staging/ozwpan/ozeltbuf.c new file mode 100644 index 00000000000..988f522475d --- /dev/null +++ b/drivers/staging/ozwpan/ozeltbuf.c @@ -0,0 +1,339 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include "ozconfig.h" +#include "ozprotocol.h" +#include "ozeltbuf.h" +#include "ozpd.h" +#include "oztrace.h" +/*------------------------------------------------------------------------------ + */ +#define OZ_ELT_INFO_MAGIC_USED 0x35791057 +#define OZ_ELT_INFO_MAGIC_FREE 0x78940102 +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +int oz_elt_buf_init(struct oz_elt_buf *buf) +{ + memset(buf, 0, sizeof(struct oz_elt_buf)); + INIT_LIST_HEAD(&buf->stream_list); + INIT_LIST_HEAD(&buf->order_list); + INIT_LIST_HEAD(&buf->isoc_list); + buf->max_free_elts = 32; + spin_lock_init(&buf->lock); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_elt_buf_term(struct oz_elt_buf *buf) +{ + struct list_head *e; + int i; + /* Free any elements in the order or isoc lists. */ + for (i = 0; i < 2; i++) { + struct list_head *list; + if (i) + list = &buf->order_list; + else + list = &buf->isoc_list; + e = list->next; + while (e != list) { + struct oz_elt_info *ei = + container_of(e, struct oz_elt_info, link_order); + e = e->next; + kfree(ei); + } + } + /* Free any elelment in the pool. */ + while (buf->elt_pool) { + struct oz_elt_info *ei = + container_of(buf->elt_pool, struct oz_elt_info, link); + buf->elt_pool = buf->elt_pool->next; + kfree(ei); + } + buf->free_elts = 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +struct oz_elt_info *oz_elt_info_alloc(struct oz_elt_buf *buf) +{ + struct oz_elt_info *ei = 0; + spin_lock_bh(&buf->lock); + if (buf->free_elts && buf->elt_pool) { + ei = container_of(buf->elt_pool, struct oz_elt_info, link); + buf->elt_pool = ei->link.next; + buf->free_elts--; + spin_unlock_bh(&buf->lock); + if (ei->magic != OZ_ELT_INFO_MAGIC_FREE) { + oz_trace("oz_elt_info_alloc: ei with bad magic: 0x%x\n", + ei->magic); + } + } else { + spin_unlock_bh(&buf->lock); + ei = kmalloc(sizeof(struct oz_elt_info), GFP_ATOMIC); + } + if (ei) { + ei->flags = 0; + ei->app_id = 0; + ei->callback = 0; + ei->context = 0; + ei->stream = 0; + ei->magic = OZ_ELT_INFO_MAGIC_USED; + INIT_LIST_HEAD(&ei->link); + INIT_LIST_HEAD(&ei->link_order); + } + return ei; +} +/*------------------------------------------------------------------------------ + * Precondition: oz_elt_buf.lock must be held. + * Context: softirq or process + */ +void oz_elt_info_free(struct oz_elt_buf *buf, struct oz_elt_info *ei) +{ + if (ei) { + if (ei->magic == OZ_ELT_INFO_MAGIC_USED) { + buf->free_elts++; + ei->link.next = buf->elt_pool; + buf->elt_pool = &ei->link; + ei->magic = OZ_ELT_INFO_MAGIC_FREE; + } else { + oz_trace("oz_elt_info_free: bad magic ei: %p" + " magic: 0x%x\n", + ei, ei->magic); + } + } +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +void oz_elt_info_free_chain(struct oz_elt_buf *buf, struct list_head *list) +{ + struct list_head *e; + e = list->next; + spin_lock_bh(&buf->lock); + while (e != list) { + struct oz_elt_info *ei; + ei = container_of(e, struct oz_elt_info, link); + e = e->next; + oz_elt_info_free(buf, ei); + } + spin_unlock_bh(&buf->lock); +} +/*------------------------------------------------------------------------------ + */ +int oz_elt_stream_create(struct oz_elt_buf *buf, u8 id, int max_buf_count) +{ + struct oz_elt_stream *st; + + oz_trace("oz_elt_stream_create(0x%x)\n", id); + + st = kzalloc(sizeof(struct oz_elt_stream), GFP_ATOMIC | __GFP_ZERO); + if (st == 0) + return -ENOMEM; + atomic_set(&st->ref_count, 1); + st->id = id; + st->max_buf_count = max_buf_count; + INIT_LIST_HEAD(&st->elt_list); + spin_lock_bh(&buf->lock); + list_add_tail(&st->link, &buf->stream_list); + spin_unlock_bh(&buf->lock); + return 0; +} +/*------------------------------------------------------------------------------ + */ +int oz_elt_stream_delete(struct oz_elt_buf *buf, u8 id) +{ + struct list_head *e; + struct oz_elt_stream *st; + oz_trace("oz_elt_stream_delete(0x%x)\n", id); + spin_lock_bh(&buf->lock); + e = buf->stream_list.next; + while (e != &buf->stream_list) { + st = container_of(e, struct oz_elt_stream, link); + if (st->id == id) { + list_del(e); + break; + } + st = 0; + } + if (!st) { + spin_unlock_bh(&buf->lock); + return -1; + } + e = st->elt_list.next; + while (e != &st->elt_list) { + struct oz_elt_info *ei = + container_of(e, struct oz_elt_info, link); + e = e->next; + list_del_init(&ei->link); + list_del_init(&ei->link_order); + st->buf_count -= ei->length; + oz_trace2(OZ_TRACE_STREAM, "Stream down: %d %d %d\n", + st->buf_count, + ei->length, atomic_read(&st->ref_count)); + oz_elt_stream_put(st); + oz_elt_info_free(buf, ei); + } + spin_unlock_bh(&buf->lock); + oz_elt_stream_put(st); + return 0; +} +/*------------------------------------------------------------------------------ + */ +void oz_elt_stream_get(struct oz_elt_stream *st) +{ + atomic_inc(&st->ref_count); +} +/*------------------------------------------------------------------------------ + */ +void oz_elt_stream_put(struct oz_elt_stream *st) +{ + if (atomic_dec_and_test(&st->ref_count)) { + oz_trace("Stream destroyed\n"); + kfree(st); + } +} +/*------------------------------------------------------------------------------ + * Precondition: Element buffer lock must be held. + * If this function fails the caller is responsible for deallocating the elt + * info structure. + */ +int oz_queue_elt_info(struct oz_elt_buf *buf, u8 isoc, u8 id, + struct oz_elt_info *ei) +{ + struct oz_elt_stream *st = 0; + struct list_head *e; + if (id) { + list_for_each(e, &buf->stream_list) { + st = container_of(e, struct oz_elt_stream, link); + if (st->id == id) + break; + } + if (e == &buf->stream_list) { + /* Stream specified but stream not known so fail. + * Caller deallocates element info. */ + return -1; + } + } + if (st) { + /* If this is an ISOC fixed element that needs a frame number + * then insert that now. Earlier we stored the unit count in + * this field. + */ + struct oz_isoc_fixed *body = (struct oz_isoc_fixed *) + &ei->data[sizeof(struct oz_elt)]; + if ((body->app_id == OZ_APPID_USB) && (body->type + == OZ_USB_ENDPOINT_DATA) && + (body->format == OZ_DATA_F_ISOC_FIXED)) { + u8 unit_count = body->frame_number; + body->frame_number = st->frame_number; + st->frame_number += unit_count; + } + /* Claim stream and update accounts */ + oz_elt_stream_get(st); + ei->stream = st; + st->buf_count += ei->length; + /* Add to list in stream. */ + list_add_tail(&ei->link, &st->elt_list); + oz_trace2(OZ_TRACE_STREAM, "Stream up: %d %d\n", + st->buf_count, ei->length); + /* Check if we have too much buffered for this stream. If so + * start dropping elements until we are back in bounds. + */ + while ((st->buf_count > st->max_buf_count) && + !list_empty(&st->elt_list)) { + struct oz_elt_info *ei2 = + list_first_entry(&st->elt_list, + struct oz_elt_info, link); + list_del_init(&ei2->link); + list_del_init(&ei2->link_order); + st->buf_count -= ei2->length; + oz_elt_info_free(buf, ei2); + oz_elt_stream_put(st); + } + } + list_add_tail(&ei->link_order, isoc ? + &buf->isoc_list : &buf->order_list); + return 0; +} +/*------------------------------------------------------------------------------ + */ +int oz_select_elts_for_tx(struct oz_elt_buf *buf, u8 isoc, unsigned *len, + unsigned max_len, struct list_head *list) +{ + int count = 0; + struct list_head *e; + struct list_head *el; + struct oz_elt_info *ei; + spin_lock_bh(&buf->lock); + if (isoc) + el = &buf->isoc_list; + else + el = &buf->order_list; + e = el->next; + while (e != el) { + struct oz_app_hdr *app_hdr; + ei = container_of(e, struct oz_elt_info, link_order); + e = e->next; + if ((*len + ei->length) <= max_len) { + app_hdr = (struct oz_app_hdr *) + &ei->data[sizeof(struct oz_elt)]; + app_hdr->elt_seq_num = buf->tx_seq_num[ei->app_id]++; + if (buf->tx_seq_num[ei->app_id] == 0) + buf->tx_seq_num[ei->app_id] = 1; + *len += ei->length; + list_del(&ei->link); + list_del(&ei->link_order); + if (ei->stream) { + ei->stream->buf_count -= ei->length; + oz_trace2(OZ_TRACE_STREAM, + "Stream down: %d %d\n", + ei->stream->buf_count, ei->length); + oz_elt_stream_put(ei->stream); + ei->stream = 0; + } + INIT_LIST_HEAD(&ei->link_order); + list_add_tail(&ei->link, list); + count++; + } else { + break; + } + } + spin_unlock_bh(&buf->lock); + return count; +} +/*------------------------------------------------------------------------------ + */ +int oz_are_elts_available(struct oz_elt_buf *buf) +{ + return buf->order_list.next != &buf->order_list; +} +/*------------------------------------------------------------------------------ + */ +void oz_trim_elt_pool(struct oz_elt_buf *buf) +{ + struct list_head *free = 0; + struct list_head *e; + spin_lock_bh(&buf->lock); + while (buf->free_elts > buf->max_free_elts) { + e = buf->elt_pool; + buf->elt_pool = e->next; + e->next = free; + free = e; + buf->free_elts--; + } + spin_unlock_bh(&buf->lock); + while (free) { + struct oz_elt_info *ei = + container_of(free, struct oz_elt_info, link); + free = free->next; + kfree(ei); + } +} diff --git a/drivers/staging/ozwpan/ozeltbuf.h b/drivers/staging/ozwpan/ozeltbuf.h new file mode 100644 index 00000000000..03c12f57b9b --- /dev/null +++ b/drivers/staging/ozwpan/ozeltbuf.h @@ -0,0 +1,70 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#ifndef _OZELTBUF_H +#define _OZELTBUF_H + +#include "ozprotocol.h" + +/*----------------------------------------------------------------------------- + */ +struct oz_pd; +typedef void (*oz_elt_callback_t)(struct oz_pd *pd, long context); + +struct oz_elt_stream { + struct list_head link; + struct list_head elt_list; + atomic_t ref_count; + unsigned buf_count; + unsigned max_buf_count; + u8 frame_number; + u8 id; +}; + +#define OZ_MAX_ELT_PAYLOAD 255 +struct oz_elt_info { + struct list_head link; + struct list_head link_order; + u8 flags; + u8 app_id; + oz_elt_callback_t callback; + long context; + struct oz_elt_stream *stream; + u8 data[sizeof(struct oz_elt) + OZ_MAX_ELT_PAYLOAD]; + int length; + unsigned magic; +}; +/* Flags values */ +#define OZ_EI_F_MARKED 0x1 + +struct oz_elt_buf { + spinlock_t lock; + struct list_head stream_list; + struct list_head order_list; + struct list_head isoc_list; + struct list_head *elt_pool; + int free_elts; + int max_free_elts; + u8 tx_seq_num[OZ_NB_APPS]; +}; + +int oz_elt_buf_init(struct oz_elt_buf *buf); +void oz_elt_buf_term(struct oz_elt_buf *buf); +struct oz_elt_info *oz_elt_info_alloc(struct oz_elt_buf *buf); +void oz_elt_info_free(struct oz_elt_buf *buf, struct oz_elt_info *ei); +void oz_elt_info_free_chain(struct oz_elt_buf *buf, struct list_head *list); +int oz_elt_stream_create(struct oz_elt_buf *buf, u8 id, int max_buf_count); +int oz_elt_stream_delete(struct oz_elt_buf *buf, u8 id); +void oz_elt_stream_get(struct oz_elt_stream *st); +void oz_elt_stream_put(struct oz_elt_stream *st); +int oz_queue_elt_info(struct oz_elt_buf *buf, u8 isoc, u8 id, + struct oz_elt_info *ei); +int oz_select_elts_for_tx(struct oz_elt_buf *buf, u8 isoc, unsigned *len, + unsigned max_len, struct list_head *list); +int oz_are_elts_available(struct oz_elt_buf *buf); +void oz_trim_elt_pool(struct oz_elt_buf *buf); + +#endif /* _OZELTBUF_H */ + diff --git a/drivers/staging/ozwpan/ozevent.c b/drivers/staging/ozwpan/ozevent.c new file mode 100644 index 00000000000..73703d3e96b --- /dev/null +++ b/drivers/staging/ozwpan/ozevent.c @@ -0,0 +1,116 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#include "ozconfig.h" +#ifdef WANT_EVENT_TRACE +#include <linux/jiffies.h> +#include <linux/uaccess.h> +#include "oztrace.h" +#include "ozevent.h" +/*------------------------------------------------------------------------------ + */ +unsigned long g_evt_mask = 0xffffffff; +/*------------------------------------------------------------------------------ + */ +#define OZ_MAX_EVTS 2048 /* Must be power of 2 */ +DEFINE_SPINLOCK(g_eventlock); +static int g_evt_in; +static int g_evt_out; +static int g_missed_events; +static struct oz_event g_events[OZ_MAX_EVTS]; +/*------------------------------------------------------------------------------ + * Context: process + */ +void oz_event_init(void) +{ + oz_trace("Event tracing initialized\n"); + g_evt_in = g_evt_out = 0; + g_missed_events = 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +void oz_event_term(void) +{ + oz_trace("Event tracing terminated\n"); +} +/*------------------------------------------------------------------------------ + * Context: any + */ +void oz_event_log2(u8 evt, u8 ctx1, u16 ctx2, void *ctx3, unsigned ctx4) +{ + unsigned long irqstate; + int ix; + spin_lock_irqsave(&g_eventlock, irqstate); + ix = (g_evt_in + 1) & (OZ_MAX_EVTS - 1); + if (ix != g_evt_out) { + struct oz_event *e = &g_events[g_evt_in]; + e->jiffies = jiffies; + e->evt = evt; + e->ctx1 = ctx1; + e->ctx2 = ctx2; + e->ctx3 = ctx3; + e->ctx4 = ctx4; + g_evt_in = ix; + } else { + g_missed_events++; + } + spin_unlock_irqrestore(&g_eventlock, irqstate); +} +/*------------------------------------------------------------------------------ + * Context: process + */ +int oz_events_copy(struct oz_evtlist __user *lst) +{ + int first; + int ix; + struct hdr { + int count; + int missed; + } hdr; + ix = g_evt_out; + hdr.count = g_evt_in - ix; + if (hdr.count < 0) + hdr.count += OZ_MAX_EVTS; + if (hdr.count > OZ_EVT_LIST_SZ) + hdr.count = OZ_EVT_LIST_SZ; + hdr.missed = g_missed_events; + g_missed_events = 0; + if (copy_to_user((void __user *)lst, &hdr, sizeof(hdr))) + return -EFAULT; + first = OZ_MAX_EVTS - ix; + if (first > hdr.count) + first = hdr.count; + if (first) { + int sz = first*sizeof(struct oz_event); + void __user *p = (void __user *)lst->evts; + if (copy_to_user(p, &g_events[ix], sz)) + return -EFAULT; + if (hdr.count > first) { + p = (void __user *)&lst->evts[first]; + sz = (hdr.count-first)*sizeof(struct oz_event); + if (copy_to_user(p, g_events, sz)) + return -EFAULT; + } + } + ix += hdr.count; + if (ix >= OZ_MAX_EVTS) + ix -= OZ_MAX_EVTS; + g_evt_out = ix; + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +void oz_events_clear(void) +{ + unsigned long irqstate; + spin_lock_irqsave(&g_eventlock, irqstate); + g_evt_in = g_evt_out = 0; + g_missed_events = 0; + spin_unlock_irqrestore(&g_eventlock, irqstate); +} +#endif /* WANT_EVENT_TRACE */ + diff --git a/drivers/staging/ozwpan/ozevent.h b/drivers/staging/ozwpan/ozevent.h new file mode 100644 index 00000000000..f033d014c6f --- /dev/null +++ b/drivers/staging/ozwpan/ozevent.h @@ -0,0 +1,31 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#ifndef _OZEVENT_H +#define _OZEVENT_H +#include "ozconfig.h" +#include "ozeventdef.h" + +#ifdef WANT_EVENT_TRACE +extern unsigned long g_evt_mask; +void oz_event_init(void); +void oz_event_term(void); +void oz_event_log2(u8 evt, u8 ctx1, u16 ctx2, void *ctx3, unsigned ctx4); +#define oz_event_log(__evt, __ctx1, __ctx2, __ctx3, __ctx4) \ + do { \ + if ((1<<(__evt)) & g_evt_mask) \ + oz_event_log2(__evt, __ctx1, __ctx2, __ctx3, __ctx4); \ + } while (0) +int oz_events_copy(struct oz_evtlist __user *lst); +void oz_events_clear(void); +#else +#define oz_event_init() +#define oz_event_term() +#define oz_event_log(__evt, __ctx1, __ctx2, __ctx3, __ctx4) +#define oz_events_copy(__lst) +#define oz_events_clear() +#endif /* WANT_EVENT_TRACE */ + +#endif /* _OZEVENT_H */ diff --git a/drivers/staging/ozwpan/ozeventdef.h b/drivers/staging/ozwpan/ozeventdef.h new file mode 100644 index 00000000000..a880288bab1 --- /dev/null +++ b/drivers/staging/ozwpan/ozeventdef.h @@ -0,0 +1,47 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#ifndef _OZEVENTDEF_H +#define _OZEVENTDEF_H + +#define OZ_EVT_RX_FRAME 0 +#define OZ_EVT_RX_PROCESS 1 +#define OZ_EVT_TX_FRAME 2 +#define OZ_EVT_TX_ISOC 3 +#define OZ_EVT_URB_SUBMIT 4 +#define OZ_EVT_URB_DONE 5 +#define OZ_EVT_URB_CANCEL 6 +#define OZ_EVT_CTRL_REQ 7 +#define OZ_EVT_CTRL_CNF 8 +#define OZ_EVT_CTRL_LOCAL 9 +#define OZ_EVT_CONNECT_REQ 10 +#define OZ_EVT_CONNECT_RSP 11 +#define OZ_EVT_EP_CREDIT 12 +#define OZ_EVT_EP_BUFFERING 13 +#define OZ_EVT_TX_ISOC_DONE 14 +#define OZ_EVT_TX_ISOC_DROP 15 +#define OZ_EVT_TIMER_CTRL 16 +#define OZ_EVT_TIMER 17 +#define OZ_EVT_PD_STATE 18 +#define OZ_EVT_SERVICE 19 +#define OZ_EVT_DEBUG 20 + +struct oz_event { + unsigned long jiffies; + unsigned char evt; + unsigned char ctx1; + unsigned short ctx2; + void *ctx3; + unsigned ctx4; +}; + +#define OZ_EVT_LIST_SZ 64 +struct oz_evtlist { + int count; + int missed; + struct oz_event evts[OZ_EVT_LIST_SZ]; +}; + +#endif /* _OZEVENTDEF_H */ diff --git a/drivers/staging/ozwpan/ozhcd.c b/drivers/staging/ozwpan/ozhcd.c new file mode 100644 index 00000000000..750b14eb505 --- /dev/null +++ b/drivers/staging/ozwpan/ozhcd.c @@ -0,0 +1,2256 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * + * This file provides the implementation of a USB host controller device that + * does not have any associated hardware. Instead the virtual device is + * connected to the WiFi network and emulates the operation of a USB hcd by + * receiving and sending network frames. + * Note: + * We take great pains to reduce the amount of code where interrupts need to be + * disabled and in this respect we are different from standard HCD's. In + * particular we don't want in_irq() code bleeding over to the protocol side of + * the driver. + * The troublesome functions are the urb enqueue and dequeue functions both of + * which can be called in_irq(). So for these functions we put the urbs into a + * queue and request a tasklet to process them. This means that a spinlock with + * interrupts disabled must be held for insertion and removal but most code is + * is in tasklet or soft irq context. The lock that protects this list is called + * the tasklet lock and serves the purpose of the 'HCD lock' which must be held + * when calling the following functions. + * usb_hcd_link_urb_to_ep() + * usb_hcd_unlink_urb_from_ep() + * usb_hcd_flush_endpoint() + * usb_hcd_check_unlink_urb() + * ----------------------------------------------------------------------------- + */ +#include <linux/platform_device.h> +#include <linux/usb.h> +#include <linux/jiffies.h> +#include <linux/slab.h> +#include <linux/export.h> +#include "linux/usb/hcd.h" +#include <asm/unaligned.h> +#include "ozconfig.h" +#include "ozusbif.h" +#include "oztrace.h" +#include "ozurbparanoia.h" +#include "ozevent.h" +/*------------------------------------------------------------------------------ + * Number of units of buffering to capture for an isochronous IN endpoint before + * allowing data to be indicated up. + */ +#define OZ_IN_BUFFERING_UNITS 50 +/* Name of our platform device. + */ +#define OZ_PLAT_DEV_NAME "ozwpan" +/* Maximum number of free urb links that can be kept in the pool. + */ +#define OZ_MAX_LINK_POOL_SIZE 16 +/* Get endpoint object from the containing link. + */ +#define ep_from_link(__e) container_of((__e), struct oz_endpoint, link) +/*------------------------------------------------------------------------------ + * Used to link urbs together and also store some status information for each + * urb. + * A cache of these are kept in a pool to reduce number of calls to kmalloc. + */ +struct oz_urb_link { + struct list_head link; + struct urb *urb; + struct oz_port *port; + u8 req_id; + u8 ep_num; + unsigned long submit_jiffies; +}; + +/* Holds state information about a USB endpoint. + */ +struct oz_endpoint { + struct list_head urb_list; /* List of oz_urb_link items. */ + struct list_head link; /* For isoc ep, links in to isoc + lists of oz_port. */ + unsigned long last_jiffies; + int credit; + int credit_ceiling; + u8 ep_num; + u8 attrib; + u8 *buffer; + int buffer_size; + int in_ix; + int out_ix; + int buffered_units; + unsigned flags; + int start_frame; +}; +/* Bits in the flags field. */ +#define OZ_F_EP_BUFFERING 0x1 +#define OZ_F_EP_HAVE_STREAM 0x2 + +/* Holds state information about a USB interface. + */ +struct oz_interface { + unsigned ep_mask; + u8 alt; +}; + +/* Holds state information about an hcd port. + */ +#define OZ_NB_ENDPOINTS 16 +struct oz_port { + unsigned flags; + unsigned status; + void *hpd; + struct oz_hcd *ozhcd; + spinlock_t port_lock; + u8 bus_addr; + u8 next_req_id; + u8 config_num; + int num_iface; + struct oz_interface *iface; + struct oz_endpoint *out_ep[OZ_NB_ENDPOINTS]; + struct oz_endpoint *in_ep[OZ_NB_ENDPOINTS]; + struct list_head isoc_out_ep; + struct list_head isoc_in_ep; +}; +#define OZ_PORT_F_PRESENT 0x1 +#define OZ_PORT_F_CHANGED 0x2 +#define OZ_PORT_F_DYING 0x4 + +/* Data structure in the private context area of struct usb_hcd. + */ +#define OZ_NB_PORTS 8 +struct oz_hcd { + spinlock_t hcd_lock; + struct list_head urb_pending_list; + struct list_head urb_cancel_list; + struct list_head orphanage; + int conn_port; /* Port that is currently connecting, -1 if none.*/ + struct oz_port ports[OZ_NB_PORTS]; + uint flags; + struct usb_hcd *hcd; +}; +/* Bits in flags field. + */ +#define OZ_HDC_F_SUSPENDED 0x1 + +/*------------------------------------------------------------------------------ + * Static function prototypes. + */ +static int oz_hcd_start(struct usb_hcd *hcd); +static void oz_hcd_stop(struct usb_hcd *hcd); +static void oz_hcd_shutdown(struct usb_hcd *hcd); +static int oz_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, + gfp_t mem_flags); +static int oz_hcd_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status); +static void oz_hcd_endpoint_disable(struct usb_hcd *hcd, + struct usb_host_endpoint *ep); +static void oz_hcd_endpoint_reset(struct usb_hcd *hcd, + struct usb_host_endpoint *ep); +static int oz_hcd_get_frame_number(struct usb_hcd *hcd); +static int oz_hcd_hub_status_data(struct usb_hcd *hcd, char *buf); +static int oz_hcd_hub_control(struct usb_hcd *hcd, u16 req_type, u16 wvalue, + u16 windex, char *buf, u16 wlength); +static int oz_hcd_bus_suspend(struct usb_hcd *hcd); +static int oz_hcd_bus_resume(struct usb_hcd *hcd); +static int oz_plat_probe(struct platform_device *dev); +static int oz_plat_remove(struct platform_device *dev); +static void oz_plat_shutdown(struct platform_device *dev); +static int oz_plat_suspend(struct platform_device *dev, pm_message_t msg); +static int oz_plat_resume(struct platform_device *dev); +static void oz_urb_process_tasklet(unsigned long unused); +static int oz_build_endpoints_for_config(struct usb_hcd *hcd, + struct oz_port *port, struct usb_host_config *config, + gfp_t mem_flags); +static void oz_clean_endpoints_for_config(struct usb_hcd *hcd, + struct oz_port *port); +static int oz_build_endpoints_for_interface(struct usb_hcd *hcd, + struct oz_port *port, + struct usb_host_interface *intf, gfp_t mem_flags); +static void oz_clean_endpoints_for_interface(struct usb_hcd *hcd, + struct oz_port *port, int if_ix); +static void oz_process_ep0_urb(struct oz_hcd *ozhcd, struct urb *urb, + gfp_t mem_flags); +static struct oz_urb_link *oz_remove_urb(struct oz_endpoint *ep, + struct urb *urb); +static void oz_hcd_clear_orphanage(struct oz_hcd *ozhcd, int status); +/*------------------------------------------------------------------------------ + * Static external variables. + */ +static struct platform_device *g_plat_dev; +static struct oz_hcd *g_ozhcd; +static DEFINE_SPINLOCK(g_hcdlock); /* Guards g_ozhcd. */ +static const char g_hcd_name[] = "Ozmo WPAN"; +static struct list_head *g_link_pool; +static int g_link_pool_size; +static DEFINE_SPINLOCK(g_link_lock); +static DEFINE_SPINLOCK(g_tasklet_lock); +static struct tasklet_struct g_urb_process_tasklet; +static struct tasklet_struct g_urb_cancel_tasklet; +static atomic_t g_pending_urbs = ATOMIC_INIT(0); +static const struct hc_driver g_oz_hc_drv = { + .description = g_hcd_name, + .product_desc = "Ozmo Devices WPAN", + .hcd_priv_size = sizeof(struct oz_hcd), + .flags = HCD_USB11, + .start = oz_hcd_start, + .stop = oz_hcd_stop, + .shutdown = oz_hcd_shutdown, + .urb_enqueue = oz_hcd_urb_enqueue, + .urb_dequeue = oz_hcd_urb_dequeue, + .endpoint_disable = oz_hcd_endpoint_disable, + .endpoint_reset = oz_hcd_endpoint_reset, + .get_frame_number = oz_hcd_get_frame_number, + .hub_status_data = oz_hcd_hub_status_data, + .hub_control = oz_hcd_hub_control, + .bus_suspend = oz_hcd_bus_suspend, + .bus_resume = oz_hcd_bus_resume, +}; + +static struct platform_driver g_oz_plat_drv = { + .probe = oz_plat_probe, + .remove = oz_plat_remove, + .shutdown = oz_plat_shutdown, + .suspend = oz_plat_suspend, + .resume = oz_plat_resume, + .driver = { + .name = OZ_PLAT_DEV_NAME, + .owner = THIS_MODULE, + }, +}; +/*------------------------------------------------------------------------------ + * Gets our private context area (which is of type struct oz_hcd) from the + * usb_hcd structure. + * Context: any + */ +static inline struct oz_hcd *oz_hcd_private(struct usb_hcd *hcd) +{ + return (struct oz_hcd *)hcd->hcd_priv; +} +/*------------------------------------------------------------------------------ + * Searches list of ports to find the index of the one with a specified USB + * bus address. If none of the ports has the bus address then the connection + * port is returned, if there is one or -1 otherwise. + * Context: any + */ +static int oz_get_port_from_addr(struct oz_hcd *ozhcd, u8 bus_addr) +{ + int i; + for (i = 0; i < OZ_NB_PORTS; i++) { + if (ozhcd->ports[i].bus_addr == bus_addr) + return i; + } + return ozhcd->conn_port; +} +/*------------------------------------------------------------------------------ + * Allocates an urb link, first trying the pool but going to heap if empty. + * Context: any + */ +static struct oz_urb_link *oz_alloc_urb_link(void) +{ + struct oz_urb_link *urbl = 0; + unsigned long irq_state; + spin_lock_irqsave(&g_link_lock, irq_state); + if (g_link_pool) { + urbl = container_of(g_link_pool, struct oz_urb_link, link); + g_link_pool = urbl->link.next; + --g_link_pool_size; + } + spin_unlock_irqrestore(&g_link_lock, irq_state); + if (urbl == 0) + urbl = kmalloc(sizeof(struct oz_urb_link), GFP_ATOMIC); + return urbl; +} +/*------------------------------------------------------------------------------ + * Frees an urb link by putting it in the pool if there is enough space or + * deallocating it to heap otherwise. + * Context: any + */ +static void oz_free_urb_link(struct oz_urb_link *urbl) +{ + if (urbl) { + unsigned long irq_state; + spin_lock_irqsave(&g_link_lock, irq_state); + if (g_link_pool_size < OZ_MAX_LINK_POOL_SIZE) { + urbl->link.next = g_link_pool; + g_link_pool = &urbl->link; + urbl = 0; + g_link_pool_size++; + } + spin_unlock_irqrestore(&g_link_lock, irq_state); + if (urbl) + kfree(urbl); + } +} +/*------------------------------------------------------------------------------ + * Deallocates all the urb links in the pool. + * Context: unknown + */ +static void oz_empty_link_pool(void) +{ + struct list_head *e; + unsigned long irq_state; + spin_lock_irqsave(&g_link_lock, irq_state); + e = g_link_pool; + g_link_pool = 0; + g_link_pool_size = 0; + spin_unlock_irqrestore(&g_link_lock, irq_state); + while (e) { + struct oz_urb_link *urbl = + container_of(e, struct oz_urb_link, link); + e = e->next; + kfree(urbl); + } +} +/*------------------------------------------------------------------------------ + * Allocates endpoint structure and optionally a buffer. If a buffer is + * allocated it immediately follows the endpoint structure. + * Context: softirq + */ +static struct oz_endpoint *oz_ep_alloc(gfp_t mem_flags, int buffer_size) +{ + struct oz_endpoint *ep = + kzalloc(sizeof(struct oz_endpoint)+buffer_size, mem_flags); + if (ep) { + INIT_LIST_HEAD(&ep->urb_list); + INIT_LIST_HEAD(&ep->link); + ep->credit = -1; + if (buffer_size) { + ep->buffer_size = buffer_size; + ep->buffer = (u8 *)(ep+1); + } + } + return ep; +} +/*------------------------------------------------------------------------------ + * Pre-condition: Must be called with g_tasklet_lock held and interrupts + * disabled. + * Context: softirq or process + */ +struct oz_urb_link *oz_uncancel_urb(struct oz_hcd *ozhcd, struct urb *urb) +{ + struct oz_urb_link *urbl; + struct list_head *e; + list_for_each(e, &ozhcd->urb_cancel_list) { + urbl = container_of(e, struct oz_urb_link, link); + if (urb == urbl->urb) { + list_del_init(e); + return urbl; + } + } + return 0; +} +/*------------------------------------------------------------------------------ + * This is called when we have finished processing an urb. It unlinks it from + * the ep and returns it to the core. + * Context: softirq or process + */ +static void oz_complete_urb(struct usb_hcd *hcd, struct urb *urb, + int status, unsigned long submit_jiffies) +{ + struct oz_hcd *ozhcd = oz_hcd_private(hcd); + unsigned long irq_state; + struct oz_urb_link *cancel_urbl = 0; + spin_lock_irqsave(&g_tasklet_lock, irq_state); + usb_hcd_unlink_urb_from_ep(hcd, urb); + /* Clear hcpriv which will prevent it being put in the cancel list + * in the event that an attempt is made to cancel it. + */ + urb->hcpriv = 0; + /* Walk the cancel list in case the urb is already sitting there. + * Since we process the cancel list in a tasklet rather than in + * the dequeue function this could happen. + */ + cancel_urbl = oz_uncancel_urb(ozhcd, urb); + /* Note: we release lock but do not enable local irqs. + * It appears that usb_hcd_giveback_urb() expects irqs to be disabled, + * or at least other host controllers disable interrupts at this point + * so we do the same. We must, however, release the lock otherwise a + * deadlock will occur if an urb is submitted to our driver in the urb + * completion function. Because we disable interrupts it is possible + * that the urb_enqueue function can be called with them disabled. + */ + spin_unlock(&g_tasklet_lock); + if (oz_forget_urb(urb)) { + oz_trace("OZWPAN: ERROR Unknown URB %p\n", urb); + } else { + static unsigned long last_time; + atomic_dec(&g_pending_urbs); + oz_trace2(OZ_TRACE_URB, + "%lu: giveback_urb(%p,%x) %lu %lu pending:%d\n", + jiffies, urb, status, jiffies-submit_jiffies, + jiffies-last_time, atomic_read(&g_pending_urbs)); + last_time = jiffies; + oz_event_log(OZ_EVT_URB_DONE, 0, 0, urb, status); + usb_hcd_giveback_urb(hcd, urb, status); + } + spin_lock(&g_tasklet_lock); + spin_unlock_irqrestore(&g_tasklet_lock, irq_state); + if (cancel_urbl) + oz_free_urb_link(cancel_urbl); +} +/*------------------------------------------------------------------------------ + * Deallocates an endpoint including deallocating any associated stream and + * returning any queued urbs to the core. + * Context: softirq + */ +static void oz_ep_free(struct oz_port *port, struct oz_endpoint *ep) +{ + oz_trace("oz_ep_free()\n"); + if (port) { + struct list_head list; + struct oz_hcd *ozhcd = port->ozhcd; + INIT_LIST_HEAD(&list); + if (ep->flags & OZ_F_EP_HAVE_STREAM) + oz_usb_stream_delete(port->hpd, ep->ep_num); + /* Transfer URBs to the orphanage while we hold the lock. */ + spin_lock_bh(&ozhcd->hcd_lock); + /* Note: this works even if ep->urb_list is empty.*/ + list_replace_init(&ep->urb_list, &list); + /* Put the URBs in the orphanage. */ + list_splice_tail(&list, &ozhcd->orphanage); + spin_unlock_bh(&ozhcd->hcd_lock); + } + oz_trace("Freeing endpoint memory\n"); + kfree(ep); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static int oz_enqueue_ep_urb(struct oz_port *port, u8 ep_addr, int in_dir, + struct urb *urb, u8 req_id) +{ + struct oz_urb_link *urbl; + struct oz_endpoint *ep; + int err = 0; + if (ep_addr >= OZ_NB_ENDPOINTS) { + oz_trace("Invalid endpoint number in oz_enqueue_ep_urb().\n"); + return -EINVAL; + } + urbl = oz_alloc_urb_link(); + if (!urbl) + return -ENOMEM; + urbl->submit_jiffies = jiffies; + urbl->urb = urb; + urbl->req_id = req_id; + urbl->ep_num = ep_addr; + /* Hold lock while we insert the URB into the list within the + * endpoint structure. + */ + spin_lock_bh(&port->ozhcd->hcd_lock); + /* If the urb has been unlinked while out of any list then + * complete it now. + */ + if (urb->unlinked) { + spin_unlock_bh(&port->ozhcd->hcd_lock); + oz_trace("urb %p unlinked so complete immediately\n", urb); + oz_complete_urb(port->ozhcd->hcd, urb, 0, 0); + oz_free_urb_link(urbl); + return 0; + } + if (in_dir) + ep = port->in_ep[ep_addr]; + else + ep = port->out_ep[ep_addr]; + if (ep && port->hpd) { + list_add_tail(&urbl->link, &ep->urb_list); + if (!in_dir && ep_addr && (ep->credit < 0)) { + ep->last_jiffies = jiffies; + ep->credit = 0; + oz_event_log(OZ_EVT_EP_CREDIT, ep->ep_num, + 0, 0, ep->credit); + } + } else { + err = -EPIPE; + } + spin_unlock_bh(&port->ozhcd->hcd_lock); + if (err) + oz_free_urb_link(urbl); + return err; +} +/*------------------------------------------------------------------------------ + * Removes an urb from the queue in the endpoint. + * Returns 0 if it is found and -EIDRM otherwise. + * Context: softirq + */ +static int oz_dequeue_ep_urb(struct oz_port *port, u8 ep_addr, int in_dir, + struct urb *urb) +{ + struct oz_urb_link *urbl = 0; + struct oz_endpoint *ep; + spin_lock_bh(&port->ozhcd->hcd_lock); + if (in_dir) + ep = port->in_ep[ep_addr]; + else + ep = port->out_ep[ep_addr]; + if (ep) { + struct list_head *e; + list_for_each(e, &ep->urb_list) { + urbl = container_of(e, struct oz_urb_link, link); + if (urbl->urb == urb) { + list_del_init(e); + break; + } + urbl = 0; + } + } + spin_unlock_bh(&port->ozhcd->hcd_lock); + if (urbl) + oz_free_urb_link(urbl); + return urbl ? 0 : -EIDRM; +} +/*------------------------------------------------------------------------------ + * Finds an urb given its request id. + * Context: softirq + */ +static struct urb *oz_find_urb_by_id(struct oz_port *port, int ep_ix, + u8 req_id) +{ + struct oz_hcd *ozhcd = port->ozhcd; + struct urb *urb = 0; + struct oz_urb_link *urbl = 0; + struct oz_endpoint *ep; + + spin_lock_bh(&ozhcd->hcd_lock); + ep = port->out_ep[ep_ix]; + if (ep) { + struct list_head *e; + list_for_each(e, &ep->urb_list) { + urbl = container_of(e, struct oz_urb_link, link); + if (urbl->req_id == req_id) { + urb = urbl->urb; + list_del_init(e); + break; + } + } + } + spin_unlock_bh(&ozhcd->hcd_lock); + /* If urb is non-zero then we we must have an urb link to delete. + */ + if (urb) + oz_free_urb_link(urbl); + return urb; +} +/*------------------------------------------------------------------------------ + * Pre-condition: Port lock must be held. + * Context: softirq + */ +static void oz_acquire_port(struct oz_port *port, void *hpd) +{ + INIT_LIST_HEAD(&port->isoc_out_ep); + INIT_LIST_HEAD(&port->isoc_in_ep); + port->flags |= OZ_PORT_F_PRESENT | OZ_PORT_F_CHANGED; + port->status |= USB_PORT_STAT_CONNECTION | + (USB_PORT_STAT_C_CONNECTION << 16); + oz_usb_get(hpd); + port->hpd = hpd; +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static struct oz_hcd *oz_hcd_claim(void) +{ + struct oz_hcd *ozhcd; + spin_lock_bh(&g_hcdlock); + ozhcd = g_ozhcd; + if (ozhcd) + usb_get_hcd(ozhcd->hcd); + spin_unlock_bh(&g_hcdlock); + return ozhcd; +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static inline void oz_hcd_put(struct oz_hcd *ozhcd) +{ + if (ozhcd) + usb_put_hcd(ozhcd->hcd); +} +/*------------------------------------------------------------------------------ + * This is called by the protocol handler to notify that a PD has arrived. + * We allocate a port to associate with the PD and create a structure for + * endpoint 0. This port is made the connection port. + * In the event that one of the other port is already a connection port then + * we fail. + * TODO We should be able to do better than fail and should be able remember + * that this port needs configuring and make it the connection port once the + * current connection port has been assigned an address. Collisions here are + * probably very rare indeed. + * Context: softirq + */ +void *oz_hcd_pd_arrived(void *hpd) +{ + int i; + void *hport = 0; + struct oz_hcd *ozhcd = 0; + struct oz_endpoint *ep; + oz_trace("oz_hcd_pd_arrived()\n"); + ozhcd = oz_hcd_claim(); + if (ozhcd == 0) + return 0; + /* Allocate an endpoint object in advance (before holding hcd lock) to + * use for out endpoint 0. + */ + ep = oz_ep_alloc(GFP_ATOMIC, 0); + spin_lock_bh(&ozhcd->hcd_lock); + if (ozhcd->conn_port >= 0) { + spin_unlock_bh(&ozhcd->hcd_lock); + oz_trace("conn_port >= 0\n"); + goto out; + } + for (i = 0; i < OZ_NB_PORTS; i++) { + struct oz_port *port = &ozhcd->ports[i]; + spin_lock(&port->port_lock); + if ((port->flags & OZ_PORT_F_PRESENT) == 0) { + oz_acquire_port(port, hpd); + spin_unlock(&port->port_lock); + break; + } + spin_unlock(&port->port_lock); + } + if (i < OZ_NB_PORTS) { + oz_trace("Setting conn_port = %d\n", i); + ozhcd->conn_port = i; + /* Attach out endpoint 0. + */ + ozhcd->ports[i].out_ep[0] = ep; + ep = 0; + hport = &ozhcd->ports[i]; + spin_unlock_bh(&ozhcd->hcd_lock); + if (ozhcd->flags & OZ_HDC_F_SUSPENDED) { + oz_trace("Resuming root hub\n"); + usb_hcd_resume_root_hub(ozhcd->hcd); + } + usb_hcd_poll_rh_status(ozhcd->hcd); + } else { + spin_unlock_bh(&ozhcd->hcd_lock); + } +out: + if (ep) /* ep is non-null if not used. */ + oz_ep_free(0, ep); + oz_hcd_put(ozhcd); + return hport; +} +/*------------------------------------------------------------------------------ + * This is called by the protocol handler to notify that the PD has gone away. + * We need to deallocate all resources and then request that the root hub is + * polled. We release the reference we hold on the PD. + * Context: softirq + */ +void oz_hcd_pd_departed(void *hport) +{ + struct oz_port *port = (struct oz_port *)hport; + struct oz_hcd *ozhcd; + void *hpd; + struct oz_endpoint *ep = 0; + + oz_trace("oz_hcd_pd_departed()\n"); + if (port == 0) { + oz_trace("oz_hcd_pd_departed() port = 0\n"); + return; + } + ozhcd = port->ozhcd; + if (ozhcd == 0) + return; + /* Check if this is the connection port - if so clear it. + */ + spin_lock_bh(&ozhcd->hcd_lock); + if ((ozhcd->conn_port >= 0) && + (port == &ozhcd->ports[ozhcd->conn_port])) { + oz_trace("Clearing conn_port\n"); + ozhcd->conn_port = -1; + } + spin_lock(&port->port_lock); + port->flags |= OZ_PORT_F_DYING; + spin_unlock(&port->port_lock); + spin_unlock_bh(&ozhcd->hcd_lock); + + oz_clean_endpoints_for_config(ozhcd->hcd, port); + spin_lock_bh(&port->port_lock); + hpd = port->hpd; + port->hpd = 0; + port->bus_addr = 0xff; + port->flags &= ~(OZ_PORT_F_PRESENT | OZ_PORT_F_DYING); + port->flags |= OZ_PORT_F_CHANGED; + port->status &= ~USB_PORT_STAT_CONNECTION; + port->status |= (USB_PORT_STAT_C_CONNECTION << 16); + /* If there is an endpont 0 then clear the pointer while we hold + * the spinlock be we deallocate it after releasing the lock. + */ + if (port->out_ep[0]) { + ep = port->out_ep[0]; + port->out_ep[0] = 0; + } + spin_unlock_bh(&port->port_lock); + if (ep) + oz_ep_free(port, ep); + usb_hcd_poll_rh_status(ozhcd->hcd); + oz_usb_put(hpd); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +void oz_hcd_pd_reset(void *hpd, void *hport) +{ + /* Cleanup the current configuration and report reset to the core. + */ + struct oz_port *port = (struct oz_port *)hport; + struct oz_hcd *ozhcd = port->ozhcd; + oz_trace("PD Reset\n"); + spin_lock_bh(&port->port_lock); + port->flags |= OZ_PORT_F_CHANGED; + port->status |= USB_PORT_STAT_RESET; + port->status |= (USB_PORT_STAT_C_RESET << 16); + spin_unlock_bh(&port->port_lock); + oz_clean_endpoints_for_config(ozhcd->hcd, port); + usb_hcd_poll_rh_status(ozhcd->hcd); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +void oz_hcd_get_desc_cnf(void *hport, u8 req_id, int status, u8 *desc, + int length, int offset, int total_size) +{ + struct oz_port *port = (struct oz_port *)hport; + struct urb *urb; + int err = 0; + + oz_event_log(OZ_EVT_CTRL_CNF, 0, req_id, 0, status); + oz_trace("oz_hcd_get_desc_cnf length = %d offs = %d tot_size = %d\n", + length, offset, total_size); + urb = oz_find_urb_by_id(port, 0, req_id); + if (!urb) + return; + if (status == 0) { + int copy_len; + int required_size = urb->transfer_buffer_length; + if (required_size > total_size) + required_size = total_size; + copy_len = required_size-offset; + if (length <= copy_len) + copy_len = length; + memcpy(urb->transfer_buffer+offset, desc, copy_len); + offset += copy_len; + if (offset < required_size) { + struct usb_ctrlrequest *setup = + (struct usb_ctrlrequest *)urb->setup_packet; + unsigned wvalue = le16_to_cpu(setup->wValue); + if (oz_enqueue_ep_urb(port, 0, 0, urb, req_id)) + err = -ENOMEM; + else if (oz_usb_get_desc_req(port->hpd, req_id, + setup->bRequestType, (u8)(wvalue>>8), + (u8)wvalue, setup->wIndex, offset, + required_size-offset)) { + oz_dequeue_ep_urb(port, 0, 0, urb); + err = -ENOMEM; + } + if (err == 0) + return; + } + } + urb->actual_length = total_size; + oz_complete_urb(port->ozhcd->hcd, urb, 0, 0); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +#ifdef WANT_TRACE +static void oz_display_conf_type(u8 t) +{ + switch (t) { + case USB_REQ_GET_STATUS: + oz_trace("USB_REQ_GET_STATUS - cnf\n"); + break; + case USB_REQ_CLEAR_FEATURE: + oz_trace("USB_REQ_CLEAR_FEATURE - cnf\n"); + break; + case USB_REQ_SET_FEATURE: + oz_trace("USB_REQ_SET_FEATURE - cnf\n"); + break; + case USB_REQ_SET_ADDRESS: + oz_trace("USB_REQ_SET_ADDRESS - cnf\n"); + break; + case USB_REQ_GET_DESCRIPTOR: + oz_trace("USB_REQ_GET_DESCRIPTOR - cnf\n"); + break; + case USB_REQ_SET_DESCRIPTOR: + oz_trace("USB_REQ_SET_DESCRIPTOR - cnf\n"); + break; + case USB_REQ_GET_CONFIGURATION: + oz_trace("USB_REQ_GET_CONFIGURATION - cnf\n"); + break; + case USB_REQ_SET_CONFIGURATION: + oz_trace("USB_REQ_SET_CONFIGURATION - cnf\n"); + break; + case USB_REQ_GET_INTERFACE: + oz_trace("USB_REQ_GET_INTERFACE - cnf\n"); + break; + case USB_REQ_SET_INTERFACE: + oz_trace("USB_REQ_SET_INTERFACE - cnf\n"); + break; + case USB_REQ_SYNCH_FRAME: + oz_trace("USB_REQ_SYNCH_FRAME - cnf\n"); + break; + } +} +#else +#define oz_display_conf_type(__x) +#endif /* WANT_TRACE */ +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static void oz_hcd_complete_set_config(struct oz_port *port, struct urb *urb, + u8 rcode, u8 config_num) +{ + int rc = 0; + struct usb_hcd *hcd = port->ozhcd->hcd; + if (rcode == 0) { + port->config_num = config_num; + oz_clean_endpoints_for_config(hcd, port); + if (oz_build_endpoints_for_config(hcd, port, + &urb->dev->config[port->config_num-1], GFP_ATOMIC)) { + rc = -ENOMEM; + } + } else { + rc = -ENOMEM; + } + oz_complete_urb(hcd, urb, rc, 0); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static void oz_hcd_complete_set_interface(struct oz_port *port, struct urb *urb, + u8 rcode, u8 if_num, u8 alt) +{ + struct usb_hcd *hcd = port->ozhcd->hcd; + int rc = 0; + if (rcode == 0) { + struct usb_host_config *config; + struct usb_host_interface *intf; + oz_trace("Set interface %d alt %d\n", if_num, alt); + oz_clean_endpoints_for_interface(hcd, port, if_num); + config = &urb->dev->config[port->config_num-1]; + intf = &config->intf_cache[if_num]->altsetting[alt]; + if (oz_build_endpoints_for_interface(hcd, port, intf, + GFP_ATOMIC)) + rc = -ENOMEM; + else + port->iface[if_num].alt = alt; + } else { + rc = -ENOMEM; + } + oz_complete_urb(hcd, urb, rc, 0); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +void oz_hcd_control_cnf(void *hport, u8 req_id, u8 rcode, u8 *data, + int data_len) +{ + struct oz_port *port = (struct oz_port *)hport; + struct urb *urb; + struct usb_ctrlrequest *setup; + struct usb_hcd *hcd = port->ozhcd->hcd; + unsigned windex; + unsigned wvalue; + + oz_event_log(OZ_EVT_CTRL_CNF, 0, req_id, 0, rcode); + oz_trace("oz_hcd_control_cnf rcode=%u len=%d\n", rcode, data_len); + urb = oz_find_urb_by_id(port, 0, req_id); + if (!urb) { + oz_trace("URB not found\n"); + return; + } + setup = (struct usb_ctrlrequest *)urb->setup_packet; + windex = le16_to_cpu(setup->wIndex); + wvalue = le16_to_cpu(setup->wValue); + if ((setup->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) { + /* Standard requests */ + oz_display_conf_type(setup->bRequest); + switch (setup->bRequest) { + case USB_REQ_SET_CONFIGURATION: + oz_hcd_complete_set_config(port, urb, rcode, + (u8)wvalue); + break; + case USB_REQ_SET_INTERFACE: + oz_hcd_complete_set_interface(port, urb, rcode, + (u8)windex, (u8)wvalue); + break; + default: + oz_complete_urb(hcd, urb, 0, 0); + } + + } else { + int copy_len; + oz_trace("VENDOR-CLASS - cnf\n"); + if (data_len <= urb->transfer_buffer_length) + copy_len = data_len; + else + copy_len = urb->transfer_buffer_length; + if (copy_len) + memcpy(urb->transfer_buffer, data, copy_len); + urb->actual_length = copy_len; + oz_complete_urb(hcd, urb, 0, 0); + } +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +static int oz_hcd_buffer_data(struct oz_endpoint *ep, u8 *data, int data_len) +{ + int space; + int copy_len; + if (!ep->buffer) + return -1; + space = ep->out_ix-ep->in_ix-1; + if (space < 0) + space += ep->buffer_size; + if (space < (data_len+1)) { + oz_trace("Buffer full\n"); + return -1; + } + ep->buffer[ep->in_ix] = (u8)data_len; + if (++ep->in_ix == ep->buffer_size) + ep->in_ix = 0; + copy_len = ep->buffer_size - ep->in_ix; + if (copy_len > data_len) + copy_len = data_len; + memcpy(&ep->buffer[ep->in_ix], data, copy_len); + + if (copy_len < data_len) { + memcpy(ep->buffer, data+copy_len, data_len-copy_len); + ep->in_ix = data_len-copy_len; + } else { + ep->in_ix += copy_len; + } + if (ep->in_ix == ep->buffer_size) + ep->in_ix = 0; + ep->buffered_units++; + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +void oz_hcd_data_ind(void *hport, u8 endpoint, u8 *data, int data_len) +{ + struct oz_port *port = (struct oz_port *)hport; + struct oz_endpoint *ep; + struct oz_hcd *ozhcd = port->ozhcd; + spin_lock_bh(&ozhcd->hcd_lock); + ep = port->in_ep[endpoint & USB_ENDPOINT_NUMBER_MASK]; + if (ep == 0) + goto done; + switch (ep->attrib & USB_ENDPOINT_XFERTYPE_MASK) { + case USB_ENDPOINT_XFER_INT: + case USB_ENDPOINT_XFER_BULK: + if (!list_empty(&ep->urb_list)) { + struct oz_urb_link *urbl = + list_first_entry(&ep->urb_list, + struct oz_urb_link, link); + struct urb *urb; + int copy_len; + list_del_init(&urbl->link); + spin_unlock_bh(&ozhcd->hcd_lock); + urb = urbl->urb; + oz_free_urb_link(urbl); + if (data_len <= urb->transfer_buffer_length) + copy_len = data_len; + else + copy_len = urb->transfer_buffer_length; + memcpy(urb->transfer_buffer, data, copy_len); + urb->actual_length = copy_len; + oz_complete_urb(port->ozhcd->hcd, urb, 0, 0); + return; + } + break; + case USB_ENDPOINT_XFER_ISOC: + oz_hcd_buffer_data(ep, data, data_len); + break; + } +done: + spin_unlock_bh(&ozhcd->hcd_lock); +} +/*------------------------------------------------------------------------------ + * Context: unknown + */ +static inline int oz_usb_get_frame_number(void) +{ + return jiffies_to_msecs(get_jiffies_64()); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +int oz_hcd_heartbeat(void *hport) +{ + int rc = 0; + struct oz_port *port = (struct oz_port *)hport; + struct oz_hcd *ozhcd = port->ozhcd; + struct oz_urb_link *urbl; + struct list_head xfr_list; + struct list_head *e; + struct list_head *n; + struct urb *urb; + struct oz_endpoint *ep; + unsigned long now = jiffies; + INIT_LIST_HEAD(&xfr_list); + /* Check the OUT isoc endpoints to see if any URB data can be sent. + */ + spin_lock_bh(&ozhcd->hcd_lock); + list_for_each(e, &port->isoc_out_ep) { + ep = ep_from_link(e); + if (ep->credit < 0) + continue; + ep->credit += (now - ep->last_jiffies); + if (ep->credit > ep->credit_ceiling) + ep->credit = ep->credit_ceiling; + oz_event_log(OZ_EVT_EP_CREDIT, ep->ep_num, 0, 0, ep->credit); + ep->last_jiffies = now; + while (ep->credit && !list_empty(&ep->urb_list)) { + urbl = list_first_entry(&ep->urb_list, + struct oz_urb_link, link); + urb = urbl->urb; + if (ep->credit < urb->number_of_packets) + break; + ep->credit -= urb->number_of_packets; + oz_event_log(OZ_EVT_EP_CREDIT, ep->ep_num, 0, 0, + ep->credit); + list_del(&urbl->link); + list_add_tail(&urbl->link, &xfr_list); + } + } + spin_unlock_bh(&ozhcd->hcd_lock); + /* Send to PD and complete URBs. + */ + list_for_each_safe(e, n, &xfr_list) { + unsigned long t; + urbl = container_of(e, struct oz_urb_link, link); + urb = urbl->urb; + t = urbl->submit_jiffies; + list_del_init(e); + urb->error_count = 0; + urb->start_frame = oz_usb_get_frame_number(); + oz_usb_send_isoc(port->hpd, urbl->ep_num, urb); + oz_free_urb_link(urbl); + oz_complete_urb(port->ozhcd->hcd, urb, 0, t); + } + /* Check the IN isoc endpoints to see if any URBs can be completed. + */ + spin_lock_bh(&ozhcd->hcd_lock); + list_for_each(e, &port->isoc_in_ep) { + struct oz_endpoint *ep = ep_from_link(e); + if (ep->flags & OZ_F_EP_BUFFERING) { + if (ep->buffered_units * OZ_IN_BUFFERING_UNITS) { + ep->flags &= ~OZ_F_EP_BUFFERING; + ep->credit = 0; + oz_event_log(OZ_EVT_EP_CREDIT, + ep->ep_num | USB_DIR_IN, + 0, 0, ep->credit); + ep->last_jiffies = now; + ep->start_frame = 0; + oz_event_log(OZ_EVT_EP_BUFFERING, + ep->ep_num | USB_DIR_IN, 0, 0, 0); + } + continue; + } + ep->credit += (now - ep->last_jiffies); + oz_event_log(OZ_EVT_EP_CREDIT, ep->ep_num | USB_DIR_IN, + 0, 0, ep->credit); + ep->last_jiffies = now; + while (!list_empty(&ep->urb_list)) { + struct oz_urb_link *urbl = + list_first_entry(&ep->urb_list, + struct oz_urb_link, link); + struct urb *urb = urbl->urb; + int len = 0; + int copy_len; + int i; + if (ep->credit < urb->number_of_packets) + break; + if (ep->buffered_units < urb->number_of_packets) + break; + urb->actual_length = 0; + for (i = 0; i < urb->number_of_packets; i++) { + len = ep->buffer[ep->out_ix]; + if (++ep->out_ix == ep->buffer_size) + ep->out_ix = 0; + copy_len = ep->buffer_size - ep->out_ix; + if (copy_len > len) + copy_len = len; + memcpy(urb->transfer_buffer, + &ep->buffer[ep->out_ix], copy_len); + if (copy_len < len) { + memcpy(urb->transfer_buffer+copy_len, + ep->buffer, len-copy_len); + ep->out_ix = len-copy_len; + } else + ep->out_ix += copy_len; + if (ep->out_ix == ep->buffer_size) + ep->out_ix = 0; + urb->iso_frame_desc[i].offset = + urb->actual_length; + urb->actual_length += len; + urb->iso_frame_desc[i].actual_length = len; + urb->iso_frame_desc[i].status = 0; + } + ep->buffered_units -= urb->number_of_packets; + urb->error_count = 0; + urb->start_frame = ep->start_frame; + ep->start_frame += urb->number_of_packets; + list_del(&urbl->link); + list_add_tail(&urbl->link, &xfr_list); + ep->credit -= urb->number_of_packets; + oz_event_log(OZ_EVT_EP_CREDIT, ep->ep_num | USB_DIR_IN, + 0, 0, ep->credit); + } + } + if (!list_empty(&port->isoc_out_ep) || !list_empty(&port->isoc_in_ep)) + rc = 1; + spin_unlock_bh(&ozhcd->hcd_lock); + /* Complete the filled URBs. + */ + list_for_each_safe(e, n, &xfr_list) { + urbl = container_of(e, struct oz_urb_link, link); + urb = urbl->urb; + list_del_init(e); + oz_free_urb_link(urbl); + oz_complete_urb(port->ozhcd->hcd, urb, 0, 0); + } + /* Check if there are any ep0 requests that have timed out. + * If so resent to PD. + */ + ep = port->out_ep[0]; + if (ep) { + struct list_head *e; + struct list_head *n; + spin_lock_bh(&ozhcd->hcd_lock); + list_for_each_safe(e, n, &ep->urb_list) { + urbl = container_of(e, struct oz_urb_link, link); + if (time_after(now, urbl->submit_jiffies+HZ/2)) { + oz_trace("%ld: Request 0x%p timeout\n", + now, urbl->urb); + urbl->submit_jiffies = now; + list_del(e); + list_add_tail(e, &xfr_list); + } + } + if (!list_empty(&ep->urb_list)) + rc = 1; + spin_unlock_bh(&ozhcd->hcd_lock); + e = xfr_list.next; + while (e != &xfr_list) { + urbl = container_of(e, struct oz_urb_link, link); + e = e->next; + oz_trace("Resending request to PD.\n"); + oz_process_ep0_urb(ozhcd, urbl->urb, GFP_ATOMIC); + oz_free_urb_link(urbl); + } + } + return rc; +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static int oz_build_endpoints_for_interface(struct usb_hcd *hcd, + struct oz_port *port, + struct usb_host_interface *intf, gfp_t mem_flags) +{ + struct oz_hcd *ozhcd = port->ozhcd; + int i; + int if_ix = intf->desc.bInterfaceNumber; + int request_heartbeat = 0; + oz_trace("interface[%d] = %p\n", if_ix, intf); + for (i = 0; i < intf->desc.bNumEndpoints; i++) { + struct usb_host_endpoint *hep = &intf->endpoint[i]; + u8 ep_addr = hep->desc.bEndpointAddress; + u8 ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK; + struct oz_endpoint *ep; + int buffer_size = 0; + + oz_trace("%d bEndpointAddress = %x\n", i, ep_addr); + if ((ep_addr & USB_ENDPOINT_DIR_MASK) && + ((hep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) + == USB_ENDPOINT_XFER_ISOC)) { + buffer_size = 24*1024; + } + + ep = oz_ep_alloc(mem_flags, buffer_size); + if (!ep) { + oz_clean_endpoints_for_interface(hcd, port, if_ix); + return -ENOMEM; + } + ep->attrib = hep->desc.bmAttributes; + ep->ep_num = ep_num; + if ((ep->attrib & USB_ENDPOINT_XFERTYPE_MASK) + == USB_ENDPOINT_XFER_ISOC) { + oz_trace("wMaxPacketSize = %d\n", + hep->desc.wMaxPacketSize); + ep->credit_ceiling = 200; + if (ep_addr & USB_ENDPOINT_DIR_MASK) { + ep->flags |= OZ_F_EP_BUFFERING; + oz_event_log(OZ_EVT_EP_BUFFERING, + ep->ep_num | USB_DIR_IN, 1, 0, 0); + } else { + ep->flags |= OZ_F_EP_HAVE_STREAM; + if (oz_usb_stream_create(port->hpd, ep_num)) + ep->flags &= ~OZ_F_EP_HAVE_STREAM; + } + } + spin_lock_bh(&ozhcd->hcd_lock); + if (ep_addr & USB_ENDPOINT_DIR_MASK) { + port->in_ep[ep_num] = ep; + port->iface[if_ix].ep_mask |= + (1<<(ep_num+OZ_NB_ENDPOINTS)); + if ((ep->attrib & USB_ENDPOINT_XFERTYPE_MASK) + == USB_ENDPOINT_XFER_ISOC) { + list_add_tail(&ep->link, &port->isoc_in_ep); + request_heartbeat = 1; + } + } else { + port->out_ep[ep_num] = ep; + port->iface[if_ix].ep_mask |= (1<<ep_num); + if ((ep->attrib & USB_ENDPOINT_XFERTYPE_MASK) + == USB_ENDPOINT_XFER_ISOC) { + list_add_tail(&ep->link, &port->isoc_out_ep); + request_heartbeat = 1; + } + } + spin_unlock_bh(&ozhcd->hcd_lock); + if (request_heartbeat && port->hpd) + oz_usb_request_heartbeat(port->hpd); + } + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static void oz_clean_endpoints_for_interface(struct usb_hcd *hcd, + struct oz_port *port, int if_ix) +{ + struct oz_hcd *ozhcd = port->ozhcd; + unsigned mask; + int i; + struct list_head ep_list; + + oz_trace("Deleting endpoints for interface %d\n", if_ix); + if (if_ix >= port->num_iface) + return; + INIT_LIST_HEAD(&ep_list); + spin_lock_bh(&ozhcd->hcd_lock); + mask = port->iface[if_ix].ep_mask; + port->iface[if_ix].ep_mask = 0; + for (i = 0; i < OZ_NB_ENDPOINTS; i++) { + struct list_head *e; + /* Gather OUT endpoints. + */ + if ((mask & (1<<i)) && port->out_ep[i]) { + e = &port->out_ep[i]->link; + port->out_ep[i] = 0; + /* Remove from isoc list if present. + */ + list_del(e); + list_add_tail(e, &ep_list); + } + /* Gather IN endpoints. + */ + if ((mask & (1<<(i+OZ_NB_ENDPOINTS))) && port->in_ep[i]) { + e = &port->in_ep[i]->link; + port->in_ep[i] = 0; + list_del(e); + list_add_tail(e, &ep_list); + } + } + spin_unlock_bh(&ozhcd->hcd_lock); + while (!list_empty(&ep_list)) { + struct oz_endpoint *ep = + list_first_entry(&ep_list, struct oz_endpoint, link); + list_del_init(&ep->link); + oz_ep_free(port, ep); + } +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static int oz_build_endpoints_for_config(struct usb_hcd *hcd, + struct oz_port *port, struct usb_host_config *config, + gfp_t mem_flags) +{ + struct oz_hcd *ozhcd = port->ozhcd; + int i; + int num_iface = config->desc.bNumInterfaces; + if (num_iface) { + struct oz_interface *iface; + + iface = kmalloc(num_iface*sizeof(struct oz_interface), + mem_flags | __GFP_ZERO); + if (!iface) + return -ENOMEM; + spin_lock_bh(&ozhcd->hcd_lock); + port->iface = iface; + port->num_iface = num_iface; + spin_unlock_bh(&ozhcd->hcd_lock); + } + for (i = 0; i < num_iface; i++) { + struct usb_host_interface *intf = + &config->intf_cache[i]->altsetting[0]; + if (oz_build_endpoints_for_interface(hcd, port, intf, + mem_flags)) + goto fail; + } + return 0; +fail: + oz_clean_endpoints_for_config(hcd, port); + return -1; +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static void oz_clean_endpoints_for_config(struct usb_hcd *hcd, + struct oz_port *port) +{ + struct oz_hcd *ozhcd = port->ozhcd; + int i; + oz_trace("Deleting endpoints for configuration.\n"); + for (i = 0; i < port->num_iface; i++) + oz_clean_endpoints_for_interface(hcd, port, i); + spin_lock_bh(&ozhcd->hcd_lock); + if (port->iface) { + oz_trace("Freeing interfaces object.\n"); + kfree(port->iface); + port->iface = 0; + } + port->num_iface = 0; + spin_unlock_bh(&ozhcd->hcd_lock); +} +/*------------------------------------------------------------------------------ + * Context: tasklet + */ +static void *oz_claim_hpd(struct oz_port *port) +{ + void *hpd = 0; + struct oz_hcd *ozhcd = port->ozhcd; + spin_lock_bh(&ozhcd->hcd_lock); + hpd = port->hpd; + if (hpd) + oz_usb_get(hpd); + spin_unlock_bh(&ozhcd->hcd_lock); + return hpd; +} +/*------------------------------------------------------------------------------ + * Context: tasklet + */ +static void oz_process_ep0_urb(struct oz_hcd *ozhcd, struct urb *urb, + gfp_t mem_flags) +{ + struct usb_ctrlrequest *setup; + unsigned windex; + unsigned wvalue; + unsigned wlength; + void *hpd = 0; + u8 req_id; + int rc = 0; + unsigned complete = 0; + + int port_ix = -1; + struct oz_port *port = 0; + + oz_trace2(OZ_TRACE_URB, "%lu: oz_process_ep0_urb(%p)\n", jiffies, urb); + port_ix = oz_get_port_from_addr(ozhcd, urb->dev->devnum); + if (port_ix < 0) { + rc = -EPIPE; + goto out; + } + port = &ozhcd->ports[port_ix]; + if (((port->flags & OZ_PORT_F_PRESENT) == 0) + || (port->flags & OZ_PORT_F_DYING)) { + oz_trace("Refusing URB port_ix = %d devnum = %d\n", + port_ix, urb->dev->devnum); + rc = -EPIPE; + goto out; + } + /* Store port in private context data. + */ + urb->hcpriv = port; + setup = (struct usb_ctrlrequest *)urb->setup_packet; + windex = le16_to_cpu(setup->wIndex); + wvalue = le16_to_cpu(setup->wValue); + wlength = le16_to_cpu(setup->wLength); + oz_trace2(OZ_TRACE_CTRL_DETAIL, "bRequestType = %x\n", + setup->bRequestType); + oz_trace2(OZ_TRACE_CTRL_DETAIL, "bRequest = %x\n", setup->bRequest); + oz_trace2(OZ_TRACE_CTRL_DETAIL, "wValue = %x\n", wvalue); + oz_trace2(OZ_TRACE_CTRL_DETAIL, "wIndex = %x\n", windex); + oz_trace2(OZ_TRACE_CTRL_DETAIL, "wLength = %x\n", wlength); + + req_id = port->next_req_id++; + hpd = oz_claim_hpd(port); + if (hpd == 0) { + oz_trace("Cannot claim port\n"); + rc = -EPIPE; + goto out; + } + + if ((setup->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) { + /* Standard requests + */ + switch (setup->bRequest) { + case USB_REQ_GET_DESCRIPTOR: + oz_trace("USB_REQ_GET_DESCRIPTOR - req\n"); + break; + case USB_REQ_SET_ADDRESS: + oz_event_log(OZ_EVT_CTRL_LOCAL, setup->bRequest, + 0, 0, setup->bRequestType); + oz_trace("USB_REQ_SET_ADDRESS - req\n"); + oz_trace("Port %d address is 0x%x\n", ozhcd->conn_port, + (u8)le16_to_cpu(setup->wValue)); + spin_lock_bh(&ozhcd->hcd_lock); + if (ozhcd->conn_port >= 0) { + ozhcd->ports[ozhcd->conn_port].bus_addr = + (u8)le16_to_cpu(setup->wValue); + oz_trace("Clearing conn_port\n"); + ozhcd->conn_port = -1; + } + spin_unlock_bh(&ozhcd->hcd_lock); + complete = 1; + break; + case USB_REQ_SET_CONFIGURATION: + oz_trace("USB_REQ_SET_CONFIGURATION - req\n"); + break; + case USB_REQ_GET_CONFIGURATION: + /* We short curcuit this case and reply directly since + * we have the selected configuration number cached. + */ + oz_event_log(OZ_EVT_CTRL_LOCAL, setup->bRequest, 0, 0, + setup->bRequestType); + oz_trace("USB_REQ_GET_CONFIGURATION - reply now\n"); + if (urb->transfer_buffer_length >= 1) { + urb->actual_length = 1; + *((u8 *)urb->transfer_buffer) = + port->config_num; + complete = 1; + } else { + rc = -EPIPE; + } + break; + case USB_REQ_GET_INTERFACE: + /* We short curcuit this case and reply directly since + * we have the selected interface alternative cached. + */ + oz_event_log(OZ_EVT_CTRL_LOCAL, setup->bRequest, 0, 0, + setup->bRequestType); + oz_trace("USB_REQ_GET_INTERFACE - reply now\n"); + if (urb->transfer_buffer_length >= 1) { + urb->actual_length = 1; + *((u8 *)urb->transfer_buffer) = + port->iface[(u8)windex].alt; + oz_trace("interface = %d alt = %d\n", + windex, port->iface[(u8)windex].alt); + complete = 1; + } else { + rc = -EPIPE; + } + break; + case USB_REQ_SET_INTERFACE: + oz_trace("USB_REQ_SET_INTERFACE - req\n"); + break; + } + } + if (!rc && !complete) { + int data_len = 0; + if ((setup->bRequestType & USB_DIR_IN) == 0) + data_len = wlength; + if (oz_usb_control_req(port->hpd, req_id, setup, + urb->transfer_buffer, data_len)) { + rc = -ENOMEM; + } else { + /* Note: we are queuing the request after we have + * submitted it to be tranmitted. If the request were + * to complete before we queued it then it would not + * be found in the queue. It seems impossible for + * this to happen but if it did the request would + * be resubmitted so the problem would hopefully + * resolve itself. Putting the request into the + * queue before it has been sent is worse since the + * urb could be cancelled while we are using it + * to build the request. + */ + if (oz_enqueue_ep_urb(port, 0, 0, urb, req_id)) + rc = -ENOMEM; + } + } + oz_usb_put(hpd); +out: + if (rc || complete) { + oz_trace("Completing request locally\n"); + oz_complete_urb(ozhcd->hcd, urb, rc, 0); + } else { + oz_usb_request_heartbeat(port->hpd); + } +} +/*------------------------------------------------------------------------------ + * Context: tasklet + */ +static int oz_urb_process(struct oz_hcd *ozhcd, struct urb *urb) +{ + int rc = 0; + struct oz_port *port = urb->hcpriv; + u8 ep_addr; + /* When we are paranoid we keep a list of urbs which we check against + * before handing one back. This is just for debugging during + * development and should be turned off in the released driver. + */ + oz_remember_urb(urb); + /* Check buffer is valid. + */ + if (!urb->transfer_buffer && urb->transfer_buffer_length) + return -EINVAL; + /* Check if there is a device at the port - refuse if not. + */ + if ((port->flags & OZ_PORT_F_PRESENT) == 0) + return -EPIPE; + ep_addr = usb_pipeendpoint(urb->pipe); + if (ep_addr) { + /* If the request is not for EP0 then queue it. + */ + if (oz_enqueue_ep_urb(port, ep_addr, usb_pipein(urb->pipe), + urb, 0)) + rc = -EPIPE; + } else { + oz_process_ep0_urb(ozhcd, urb, GFP_ATOMIC); + } + return rc; +} +/*------------------------------------------------------------------------------ + * Context: tasklet + */ +static void oz_urb_process_tasklet(unsigned long unused) +{ + unsigned long irq_state; + struct urb *urb; + struct oz_hcd *ozhcd = oz_hcd_claim(); + int rc = 0; + if (ozhcd == 0) + return; + /* This is called from a tasklet so is in softirq context but the urb + * list is filled from any context so we need to lock + * appropriately while removing urbs. + */ + spin_lock_irqsave(&g_tasklet_lock, irq_state); + while (!list_empty(&ozhcd->urb_pending_list)) { + struct oz_urb_link *urbl = + list_first_entry(&ozhcd->urb_pending_list, + struct oz_urb_link, link); + list_del_init(&urbl->link); + spin_unlock_irqrestore(&g_tasklet_lock, irq_state); + urb = urbl->urb; + oz_free_urb_link(urbl); + rc = oz_urb_process(ozhcd, urb); + if (rc) + oz_complete_urb(ozhcd->hcd, urb, rc, 0); + spin_lock_irqsave(&g_tasklet_lock, irq_state); + } + spin_unlock_irqrestore(&g_tasklet_lock, irq_state); + oz_hcd_put(ozhcd); +} +/*------------------------------------------------------------------------------ + * This function searches for the urb in any of the lists it could be in. + * If it is found it is removed from the list and completed. If the urb is + * being processed then it won't be in a list so won't be found. However, the + * call to usb_hcd_check_unlink_urb() will set the value of the unlinked field + * to a non-zero value. When an attempt is made to put the urb back in a list + * the unlinked field will be checked and the urb will then be completed. + * Context: tasklet + */ +static void oz_urb_cancel(struct oz_port *port, u8 ep_num, struct urb *urb) +{ + struct oz_urb_link *urbl = 0; + struct list_head *e; + struct oz_hcd *ozhcd; + unsigned long irq_state; + u8 ix; + if (port == 0) { + oz_trace("ERRORERROR: oz_urb_cancel(%p) port is null\n", urb); + return; + } + ozhcd = port->ozhcd; + if (ozhcd == 0) { + oz_trace("ERRORERROR: oz_urb_cancel(%p) ozhcd is null\n", urb); + return; + } + + /* Look in the tasklet queue. + */ + spin_lock_irqsave(&g_tasklet_lock, irq_state); + list_for_each(e, &ozhcd->urb_cancel_list) { + urbl = container_of(e, struct oz_urb_link, link); + if (urb == urbl->urb) { + list_del_init(e); + spin_unlock_irqrestore(&g_tasklet_lock, irq_state); + goto out2; + } + } + spin_unlock_irqrestore(&g_tasklet_lock, irq_state); + urbl = 0; + + /* Look in the orphanage. + */ + spin_lock_irqsave(&ozhcd->hcd_lock, irq_state); + list_for_each(e, &ozhcd->orphanage) { + urbl = container_of(e, struct oz_urb_link, link); + if (urbl->urb == urb) { + list_del(e); + oz_trace("Found urb in orphanage\n"); + goto out; + } + } + ix = (ep_num & 0xf); + urbl = 0; + if ((ep_num & USB_DIR_IN) && ix) + urbl = oz_remove_urb(port->in_ep[ix], urb); + else + urbl = oz_remove_urb(port->out_ep[ix], urb); +out: + spin_unlock_irqrestore(&ozhcd->hcd_lock, irq_state); +out2: + if (urbl) { + urb->actual_length = 0; + oz_free_urb_link(urbl); + oz_complete_urb(ozhcd->hcd, urb, -EPIPE, 0); + } +} +/*------------------------------------------------------------------------------ + * Context: tasklet + */ +static void oz_urb_cancel_tasklet(unsigned long unused) +{ + unsigned long irq_state; + struct urb *urb; + struct oz_hcd *ozhcd = oz_hcd_claim(); + if (ozhcd == 0) + return; + spin_lock_irqsave(&g_tasklet_lock, irq_state); + while (!list_empty(&ozhcd->urb_cancel_list)) { + struct oz_urb_link *urbl = + list_first_entry(&ozhcd->urb_cancel_list, + struct oz_urb_link, link); + list_del_init(&urbl->link); + spin_unlock_irqrestore(&g_tasklet_lock, irq_state); + urb = urbl->urb; + if (urb->unlinked) + oz_urb_cancel(urbl->port, urbl->ep_num, urb); + oz_free_urb_link(urbl); + spin_lock_irqsave(&g_tasklet_lock, irq_state); + } + spin_unlock_irqrestore(&g_tasklet_lock, irq_state); + oz_hcd_put(ozhcd); +} +/*------------------------------------------------------------------------------ + * Context: unknown + */ +static void oz_hcd_clear_orphanage(struct oz_hcd *ozhcd, int status) +{ + if (ozhcd) { + struct oz_urb_link *urbl; + while (!list_empty(&ozhcd->orphanage)) { + urbl = list_first_entry(&ozhcd->orphanage, + struct oz_urb_link, link); + list_del(&urbl->link); + oz_complete_urb(ozhcd->hcd, urbl->urb, status, 0); + oz_free_urb_link(urbl); + } + } +} +/*------------------------------------------------------------------------------ + * Context: unknown + */ +static int oz_hcd_start(struct usb_hcd *hcd) +{ + oz_trace("oz_hcd_start()\n"); + hcd->power_budget = 200; + hcd->state = HC_STATE_RUNNING; + hcd->uses_new_polling = 1; + return 0; +} +/*------------------------------------------------------------------------------ + * Context: unknown + */ +static void oz_hcd_stop(struct usb_hcd *hcd) +{ + oz_trace("oz_hcd_stop()\n"); +} +/*------------------------------------------------------------------------------ + * Context: unknown + */ +static void oz_hcd_shutdown(struct usb_hcd *hcd) +{ + oz_trace("oz_hcd_shutdown()\n"); +} +/*------------------------------------------------------------------------------ + * Context: any + */ +#ifdef WANT_EVENT_TRACE +static u8 oz_get_irq_ctx(void) +{ + u8 irq_info = 0; + if (in_interrupt()) + irq_info |= 1; + if (in_irq()) + irq_info |= 2; + return irq_info; +} +#endif /* WANT_EVENT_TRACE */ +/*------------------------------------------------------------------------------ + * Called to queue an urb for the device. + * This function should return a non-zero error code if it fails the urb but + * should not call usb_hcd_giveback_urb(). + * Context: any + */ +static int oz_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, + gfp_t mem_flags) +{ + struct oz_hcd *ozhcd = oz_hcd_private(hcd); + int rc = 0; + int port_ix; + struct oz_port *port; + unsigned long irq_state; + struct oz_urb_link *urbl; + oz_trace2(OZ_TRACE_URB, "%lu: oz_hcd_urb_enqueue(%p)\n", + jiffies, urb); + oz_event_log(OZ_EVT_URB_SUBMIT, oz_get_irq_ctx(), + (u16)urb->number_of_packets, urb, urb->pipe); + if (unlikely(ozhcd == 0)) { + oz_trace2(OZ_TRACE_URB, "%lu: Refused urb(%p) not ozhcd.\n", + jiffies, urb); + return -EPIPE; + } + if (unlikely(hcd->state != HC_STATE_RUNNING)) { + oz_trace2(OZ_TRACE_URB, "%lu: Refused urb(%p) not running.\n", + jiffies, urb); + return -EPIPE; + } + port_ix = oz_get_port_from_addr(ozhcd, urb->dev->devnum); + if (port_ix < 0) + return -EPIPE; + port = &ozhcd->ports[port_ix]; + if (port == 0) + return -EPIPE; + if ((port->flags & OZ_PORT_F_PRESENT) == 0) { + oz_trace("Refusing URB port_ix = %d devnum = %d\n", + port_ix, urb->dev->devnum); + return -EPIPE; + } + urb->hcpriv = port; + /* Put request in queue for processing by tasklet. + */ + urbl = oz_alloc_urb_link(); + if (unlikely(urbl == 0)) + return -ENOMEM; + urbl->urb = urb; + spin_lock_irqsave(&g_tasklet_lock, irq_state); + rc = usb_hcd_link_urb_to_ep(hcd, urb); + if (unlikely(rc)) { + spin_unlock_irqrestore(&g_tasklet_lock, irq_state); + oz_free_urb_link(urbl); + return rc; + } + list_add_tail(&urbl->link, &ozhcd->urb_pending_list); + spin_unlock_irqrestore(&g_tasklet_lock, irq_state); + tasklet_schedule(&g_urb_process_tasklet); + atomic_inc(&g_pending_urbs); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: tasklet + */ +static struct oz_urb_link *oz_remove_urb(struct oz_endpoint *ep, + struct urb *urb) +{ + struct oz_urb_link *urbl = 0; + struct list_head *e; + if (unlikely(ep == 0)) + return 0; + list_for_each(e, &ep->urb_list) { + urbl = container_of(e, struct oz_urb_link, link); + if (urbl->urb == urb) { + list_del_init(e); + if (usb_pipeisoc(urb->pipe)) { + ep->credit -= urb->number_of_packets; + if (ep->credit < 0) + ep->credit = 0; + oz_event_log(OZ_EVT_EP_CREDIT, + usb_pipein(urb->pipe) ? + (ep->ep_num | USB_DIR_IN) : ep->ep_num, + 0, 0, ep->credit); + } + return urbl; + } + } + return 0; +} +/*------------------------------------------------------------------------------ + * Called to dequeue a previously submitted urb for the device. + * Context: any + */ +static int oz_hcd_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) +{ + struct oz_hcd *ozhcd = oz_hcd_private(hcd); + struct oz_urb_link *urbl = 0; + int rc; + unsigned long irq_state; + oz_trace2(OZ_TRACE_URB, "%lu: oz_hcd_urb_dequeue(%p)\n", jiffies, urb); + urbl = oz_alloc_urb_link(); + if (unlikely(urbl == 0)) + return -ENOMEM; + spin_lock_irqsave(&g_tasklet_lock, irq_state); + /* The following function checks the urb is still in the queue + * maintained by the core and that the unlinked field is zero. + * If both are true the function sets the unlinked field and returns + * zero. Otherwise it returns an error. + */ + rc = usb_hcd_check_unlink_urb(hcd, urb, status); + /* We have to check we haven't completed the urb or are about + * to complete it. When we do we set hcpriv to 0 so if this has + * already happened we don't put the urb in the cancel queue. + */ + if ((rc == 0) && urb->hcpriv) { + urbl->urb = urb; + urbl->port = (struct oz_port *)urb->hcpriv; + urbl->ep_num = usb_pipeendpoint(urb->pipe); + if (usb_pipein(urb->pipe)) + urbl->ep_num |= USB_DIR_IN; + list_add_tail(&urbl->link, &ozhcd->urb_cancel_list); + spin_unlock_irqrestore(&g_tasklet_lock, irq_state); + tasklet_schedule(&g_urb_cancel_tasklet); + } else { + spin_unlock_irqrestore(&g_tasklet_lock, irq_state); + oz_free_urb_link(urbl); + } + return rc; +} +/*------------------------------------------------------------------------------ + * Context: unknown + */ +static void oz_hcd_endpoint_disable(struct usb_hcd *hcd, + struct usb_host_endpoint *ep) +{ + oz_trace("oz_hcd_endpoint_disable\n"); +} +/*------------------------------------------------------------------------------ + * Context: unknown + */ +static void oz_hcd_endpoint_reset(struct usb_hcd *hcd, + struct usb_host_endpoint *ep) +{ + oz_trace("oz_hcd_endpoint_reset\n"); +} +/*------------------------------------------------------------------------------ + * Context: unknown + */ +static int oz_hcd_get_frame_number(struct usb_hcd *hcd) +{ + oz_trace("oz_hcd_get_frame_number\n"); + return oz_usb_get_frame_number(); +} +/*------------------------------------------------------------------------------ + * Context: softirq + * This is called as a consquence of us calling usb_hcd_poll_rh_status() and we + * always do that in softirq context. + */ +static int oz_hcd_hub_status_data(struct usb_hcd *hcd, char *buf) +{ + struct oz_hcd *ozhcd = oz_hcd_private(hcd); + int i; + + oz_trace2(OZ_TRACE_HUB, "oz_hcd_hub_status_data()\n"); + buf[0] = 0; + + spin_lock_bh(&ozhcd->hcd_lock); + for (i = 0; i < OZ_NB_PORTS; i++) { + if (ozhcd->ports[i].flags & OZ_PORT_F_CHANGED) { + oz_trace2(OZ_TRACE_HUB, "Port %d changed\n", i); + ozhcd->ports[i].flags &= ~OZ_PORT_F_CHANGED; + buf[0] |= 1<<(i+1); + } + } + spin_unlock_bh(&ozhcd->hcd_lock); + return buf[0] ? 1 : 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static void oz_get_hub_descriptor(struct usb_hcd *hcd, + struct usb_hub_descriptor *desc) +{ + oz_trace2(OZ_TRACE_HUB, "GetHubDescriptor\n"); + memset(desc, 0, sizeof(*desc)); + desc->bDescriptorType = 0x29; + desc->bDescLength = 9; + desc->wHubCharacteristics = (__force __u16) + __constant_cpu_to_le16(0x0001); + desc->bNbrPorts = OZ_NB_PORTS; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static int oz_set_port_feature(struct usb_hcd *hcd, u16 wvalue, u16 windex) +{ + struct oz_port *port; + int err = 0; + u8 port_id = (u8)windex; + struct oz_hcd *ozhcd = oz_hcd_private(hcd); + unsigned set_bits = 0; + unsigned clear_bits = 0; + oz_trace2(OZ_TRACE_HUB, "SetPortFeature\n"); + if ((port_id < 1) || (port_id > OZ_NB_PORTS)) + return -EPIPE; + port = &ozhcd->ports[port_id-1]; + switch (wvalue) { + case USB_PORT_FEAT_CONNECTION: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_CONNECTION\n"); + break; + case USB_PORT_FEAT_ENABLE: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_ENABLE\n"); + break; + case USB_PORT_FEAT_SUSPEND: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_SUSPEND\n"); + break; + case USB_PORT_FEAT_OVER_CURRENT: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_OVER_CURRENT\n"); + break; + case USB_PORT_FEAT_RESET: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_RESET\n"); + set_bits = USB_PORT_STAT_ENABLE | (USB_PORT_STAT_C_RESET<<16); + clear_bits = USB_PORT_STAT_RESET; + ozhcd->ports[port_id-1].bus_addr = 0; + break; + case USB_PORT_FEAT_POWER: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_POWER\n"); + set_bits |= USB_PORT_STAT_POWER; + break; + case USB_PORT_FEAT_LOWSPEED: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_LOWSPEED\n"); + break; + case USB_PORT_FEAT_C_CONNECTION: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_C_CONNECTION\n"); + break; + case USB_PORT_FEAT_C_ENABLE: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_C_ENABLE\n"); + break; + case USB_PORT_FEAT_C_SUSPEND: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_C_SUSPEND\n"); + break; + case USB_PORT_FEAT_C_OVER_CURRENT: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_C_OVER_CURRENT\n"); + break; + case USB_PORT_FEAT_C_RESET: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_C_RESET\n"); + break; + case USB_PORT_FEAT_TEST: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_TEST\n"); + break; + case USB_PORT_FEAT_INDICATOR: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_INDICATOR\n"); + break; + default: + oz_trace2(OZ_TRACE_HUB, "Other %d\n", wvalue); + break; + } + if (set_bits || clear_bits) { + spin_lock_bh(&port->port_lock); + port->status &= ~clear_bits; + port->status |= set_bits; + spin_unlock_bh(&port->port_lock); + } + oz_trace2(OZ_TRACE_HUB, "Port[%d] status = 0x%x\n", port_id, + port->status); + return err; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static int oz_clear_port_feature(struct usb_hcd *hcd, u16 wvalue, u16 windex) +{ + struct oz_port *port; + int err = 0; + u8 port_id = (u8)windex; + struct oz_hcd *ozhcd = oz_hcd_private(hcd); + unsigned clear_bits = 0; + oz_trace2(OZ_TRACE_HUB, "ClearPortFeature\n"); + if ((port_id < 1) || (port_id > OZ_NB_PORTS)) + return -EPIPE; + port = &ozhcd->ports[port_id-1]; + switch (wvalue) { + case USB_PORT_FEAT_CONNECTION: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_CONNECTION\n"); + break; + case USB_PORT_FEAT_ENABLE: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_ENABLE\n"); + clear_bits = USB_PORT_STAT_ENABLE; + break; + case USB_PORT_FEAT_SUSPEND: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_SUSPEND\n"); + break; + case USB_PORT_FEAT_OVER_CURRENT: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_OVER_CURRENT\n"); + break; + case USB_PORT_FEAT_RESET: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_RESET\n"); + break; + case USB_PORT_FEAT_POWER: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_POWER\n"); + clear_bits |= USB_PORT_STAT_POWER; + break; + case USB_PORT_FEAT_LOWSPEED: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_LOWSPEED\n"); + break; + case USB_PORT_FEAT_C_CONNECTION: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_C_CONNECTION\n"); + clear_bits = (USB_PORT_STAT_C_CONNECTION << 16); + break; + case USB_PORT_FEAT_C_ENABLE: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_C_ENABLE\n"); + clear_bits = (USB_PORT_STAT_C_ENABLE << 16); + break; + case USB_PORT_FEAT_C_SUSPEND: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_C_SUSPEND\n"); + break; + case USB_PORT_FEAT_C_OVER_CURRENT: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_C_OVER_CURRENT\n"); + break; + case USB_PORT_FEAT_C_RESET: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_C_RESET\n"); + clear_bits = (USB_PORT_FEAT_C_RESET << 16); + break; + case USB_PORT_FEAT_TEST: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_TEST\n"); + break; + case USB_PORT_FEAT_INDICATOR: + oz_trace2(OZ_TRACE_HUB, "USB_PORT_FEAT_INDICATOR\n"); + break; + default: + oz_trace2(OZ_TRACE_HUB, "Other %d\n", wvalue); + break; + } + if (clear_bits) { + spin_lock_bh(&port->port_lock); + port->status &= ~clear_bits; + spin_unlock_bh(&port->port_lock); + } + oz_trace2(OZ_TRACE_HUB, "Port[%d] status = 0x%x\n", port_id, + ozhcd->ports[port_id-1].status); + return err; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static int oz_get_port_status(struct usb_hcd *hcd, u16 windex, char *buf) +{ + struct oz_hcd *ozhcd; + u32 status = 0; + if ((windex < 1) || (windex > OZ_NB_PORTS)) + return -EPIPE; + ozhcd = oz_hcd_private(hcd); + oz_trace2(OZ_TRACE_HUB, "GetPortStatus windex = %d\n", windex); + status = ozhcd->ports[windex-1].status; + put_unaligned(cpu_to_le32(status), (__le32 *)buf); + oz_trace2(OZ_TRACE_HUB, "Port[%d] status = %x\n", windex, status); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static int oz_hcd_hub_control(struct usb_hcd *hcd, u16 req_type, u16 wvalue, + u16 windex, char *buf, u16 wlength) +{ + int err = 0; + oz_trace2(OZ_TRACE_HUB, "oz_hcd_hub_control()\n"); + switch (req_type) { + case ClearHubFeature: + oz_trace2(OZ_TRACE_HUB, "ClearHubFeature: %d\n", req_type); + break; + case ClearPortFeature: + err = oz_clear_port_feature(hcd, wvalue, windex); + break; + case GetHubDescriptor: + oz_get_hub_descriptor(hcd, (struct usb_hub_descriptor *)buf); + break; + case GetHubStatus: + oz_trace2(OZ_TRACE_HUB, "GetHubStatus: req_type = 0x%x\n", + req_type); + put_unaligned(__constant_cpu_to_le32(0), (__le32 *)buf); + break; + case GetPortStatus: + err = oz_get_port_status(hcd, windex, buf); + break; + case SetHubFeature: + oz_trace2(OZ_TRACE_HUB, "SetHubFeature: %d\n", req_type); + break; + case SetPortFeature: + err = oz_set_port_feature(hcd, wvalue, windex); + break; + default: + oz_trace2(OZ_TRACE_HUB, "Other: %d\n", req_type); + break; + } + return err; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static int oz_hcd_bus_suspend(struct usb_hcd *hcd) +{ + struct oz_hcd *ozhcd; + oz_trace2(OZ_TRACE_HUB, "oz_hcd_hub_suspend()\n"); + ozhcd = oz_hcd_private(hcd); + spin_lock_bh(&ozhcd->hcd_lock); + hcd->state = HC_STATE_SUSPENDED; + ozhcd->flags |= OZ_HDC_F_SUSPENDED; + spin_unlock_bh(&ozhcd->hcd_lock); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static int oz_hcd_bus_resume(struct usb_hcd *hcd) +{ + struct oz_hcd *ozhcd; + oz_trace2(OZ_TRACE_HUB, "oz_hcd_hub_resume()\n"); + ozhcd = oz_hcd_private(hcd); + spin_lock_bh(&ozhcd->hcd_lock); + ozhcd->flags &= ~OZ_HDC_F_SUSPENDED; + hcd->state = HC_STATE_RUNNING; + spin_unlock_bh(&ozhcd->hcd_lock); + return 0; +} +/*------------------------------------------------------------------------------ + */ +static void oz_plat_shutdown(struct platform_device *dev) +{ + oz_trace("oz_plat_shutdown()\n"); +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static int oz_plat_probe(struct platform_device *dev) +{ + int i; + int err; + struct usb_hcd *hcd; + struct oz_hcd *ozhcd; + oz_trace("oz_plat_probe()\n"); + hcd = usb_create_hcd(&g_oz_hc_drv, &dev->dev, dev_name(&dev->dev)); + if (hcd == 0) { + oz_trace("Failed to created hcd object OK\n"); + return -ENOMEM; + } + ozhcd = oz_hcd_private(hcd); + memset(ozhcd, 0, sizeof(*ozhcd)); + INIT_LIST_HEAD(&ozhcd->urb_pending_list); + INIT_LIST_HEAD(&ozhcd->urb_cancel_list); + INIT_LIST_HEAD(&ozhcd->orphanage); + ozhcd->hcd = hcd; + ozhcd->conn_port = -1; + spin_lock_init(&ozhcd->hcd_lock); + for (i = 0; i < OZ_NB_PORTS; i++) { + struct oz_port *port = &ozhcd->ports[i]; + port->ozhcd = ozhcd; + port->flags = 0; + port->status = 0; + port->bus_addr = 0xff; + spin_lock_init(&port->port_lock); + } + err = usb_add_hcd(hcd, 0, 0); + if (err) { + oz_trace("Failed to add hcd object OK\n"); + usb_put_hcd(hcd); + return -1; + } + spin_lock_bh(&g_hcdlock); + g_ozhcd = ozhcd; + spin_unlock_bh(&g_hcdlock); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: unknown + */ +static int oz_plat_remove(struct platform_device *dev) +{ + struct usb_hcd *hcd = platform_get_drvdata(dev); + struct oz_hcd *ozhcd; + oz_trace("oz_plat_remove()\n"); + if (hcd == 0) + return -1; + ozhcd = oz_hcd_private(hcd); + spin_lock_bh(&g_hcdlock); + if (ozhcd == g_ozhcd) + g_ozhcd = 0; + spin_unlock_bh(&g_hcdlock); + oz_trace("Clearing orphanage\n"); + oz_hcd_clear_orphanage(ozhcd, -EPIPE); + oz_trace("Removing hcd\n"); + usb_remove_hcd(hcd); + usb_put_hcd(hcd); + oz_empty_link_pool(); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: unknown + */ +static int oz_plat_suspend(struct platform_device *dev, pm_message_t msg) +{ + oz_trace("oz_plat_suspend()\n"); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: unknown + */ +static int oz_plat_resume(struct platform_device *dev) +{ + oz_trace("oz_plat_resume()\n"); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +int oz_hcd_init(void) +{ + int err; + if (usb_disabled()) + return -ENODEV; + tasklet_init(&g_urb_process_tasklet, oz_urb_process_tasklet, 0); + tasklet_init(&g_urb_cancel_tasklet, oz_urb_cancel_tasklet, 0); + err = platform_driver_register(&g_oz_plat_drv); + oz_trace("platform_driver_register() returned %d\n", err); + if (err) + goto error; + g_plat_dev = platform_device_alloc(OZ_PLAT_DEV_NAME, -1); + if (g_plat_dev == 0) { + err = -ENOMEM; + goto error1; + } + oz_trace("platform_device_alloc() succeeded\n"); + err = platform_device_add(g_plat_dev); + if (err) + goto error2; + oz_trace("platform_device_add() succeeded\n"); + return 0; +error2: + platform_device_put(g_plat_dev); +error1: + platform_driver_unregister(&g_oz_plat_drv); +error: + tasklet_disable(&g_urb_process_tasklet); + tasklet_disable(&g_urb_cancel_tasklet); + oz_trace("oz_hcd_init() failed %d\n", err); + return err; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +void oz_hcd_term(void) +{ + tasklet_disable(&g_urb_process_tasklet); + tasklet_disable(&g_urb_cancel_tasklet); + platform_device_unregister(g_plat_dev); + platform_driver_unregister(&g_oz_plat_drv); + oz_trace("Pending urbs:%d\n", atomic_read(&g_pending_urbs)); +} diff --git a/drivers/staging/ozwpan/ozhcd.h b/drivers/staging/ozwpan/ozhcd.h new file mode 100644 index 00000000000..9b30dfd0997 --- /dev/null +++ b/drivers/staging/ozwpan/ozhcd.h @@ -0,0 +1,15 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ---------------------------------------------------------------------------*/ +#ifndef _OZHCD_H +#define _OZHCD_H + +int oz_hcd_init(void); +void oz_hcd_term(void); +void *oz_hcd_pd_arrived(void *ctx); +void oz_hcd_pd_departed(void *ctx); +void oz_hcd_pd_reset(void *hpd, void *hport); + +#endif /* _OZHCD_H */ + diff --git a/drivers/staging/ozwpan/ozmain.c b/drivers/staging/ozwpan/ozmain.c new file mode 100644 index 00000000000..aaf2ccc0bcf --- /dev/null +++ b/drivers/staging/ozwpan/ozmain.c @@ -0,0 +1,58 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/timer.h> +#include <linux/sched.h> +#include <linux/netdevice.h> +#include <linux/errno.h> +#include <linux/ieee80211.h> +#include "ozconfig.h" +#include "ozpd.h" +#include "ozproto.h" +#include "ozcdev.h" +#include "oztrace.h" +#include "ozevent.h" +/*------------------------------------------------------------------------------ + * The name of the 802.11 mac device. Empty string is the default value but a + * value can be supplied as a parameter to the module. An empty string means + * bind to nothing. '*' means bind to all netcards - this includes non-802.11 + * netcards. Bindings can be added later using an IOCTL. + */ +char *g_net_dev = ""; +/*------------------------------------------------------------------------------ + * Context: process + */ +static int __init ozwpan_init(void) +{ + oz_event_init(); + oz_cdev_register(); + oz_protocol_init(g_net_dev); + oz_app_enable(OZ_APPID_USB, 1); + oz_apps_init(); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static void __exit ozwpan_exit(void) +{ + oz_protocol_term(); + oz_apps_term(); + oz_cdev_deregister(); + oz_event_term(); +} +/*------------------------------------------------------------------------------ + */ +module_param(g_net_dev, charp, S_IRUGO); +module_init(ozwpan_init); +module_exit(ozwpan_exit); + +MODULE_AUTHOR("Chris Kelly"); +MODULE_DESCRIPTION("Ozmo Devices USB over WiFi hcd driver"); +MODULE_VERSION("1.0.8"); +MODULE_LICENSE("GPL"); + diff --git a/drivers/staging/ozwpan/ozpd.c b/drivers/staging/ozwpan/ozpd.c new file mode 100644 index 00000000000..2b45d3d1800 --- /dev/null +++ b/drivers/staging/ozwpan/ozpd.c @@ -0,0 +1,832 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/timer.h> +#include <linux/sched.h> +#include <linux/netdevice.h> +#include <linux/errno.h> +#include "ozconfig.h" +#include "ozprotocol.h" +#include "ozeltbuf.h" +#include "ozpd.h" +#include "ozproto.h" +#include "oztrace.h" +#include "ozevent.h" +#include "ozcdev.h" +#include "ozusbsvc.h" +#include <asm/unaligned.h> +#include <linux/uaccess.h> +#include <net/psnap.h> +/*------------------------------------------------------------------------------ + */ +#define OZ_MAX_TX_POOL_SIZE 6 +/* Maximum number of uncompleted isoc frames that can be pending. + */ +#define OZ_MAX_SUBMITTED_ISOC 16 +/*------------------------------------------------------------------------------ + */ +static struct oz_tx_frame *oz_tx_frame_alloc(struct oz_pd *pd); +static void oz_tx_frame_free(struct oz_pd *pd, struct oz_tx_frame *f); +static struct sk_buff *oz_build_frame(struct oz_pd *pd, struct oz_tx_frame *f); +static int oz_send_isoc_frame(struct oz_pd *pd); +static void oz_retire_frame(struct oz_pd *pd, struct oz_tx_frame *f); +static void oz_isoc_stream_free(struct oz_isoc_stream *st); +static int oz_send_next_queued_frame(struct oz_pd *pd, int *more_data); +static void oz_isoc_destructor(struct sk_buff *skb); +static int oz_def_app_init(void); +static void oz_def_app_term(void); +static int oz_def_app_start(struct oz_pd *pd, int resume); +static void oz_def_app_stop(struct oz_pd *pd, int pause); +static void oz_def_app_rx(struct oz_pd *pd, struct oz_elt *elt); +/*------------------------------------------------------------------------------ + * Counts the uncompleted isoc frames submitted to netcard. + */ +static atomic_t g_submitted_isoc = ATOMIC_INIT(0); +/* Application handler functions. + */ +static struct oz_app_if g_app_if[OZ_APPID_MAX] = { + {oz_usb_init, + oz_usb_term, + oz_usb_start, + oz_usb_stop, + oz_usb_rx, + oz_usb_heartbeat, + oz_usb_farewell, + OZ_APPID_USB}, + + {oz_def_app_init, + oz_def_app_term, + oz_def_app_start, + oz_def_app_stop, + oz_def_app_rx, + 0, + 0, + OZ_APPID_UNUSED1}, + + {oz_def_app_init, + oz_def_app_term, + oz_def_app_start, + oz_def_app_stop, + oz_def_app_rx, + 0, + 0, + OZ_APPID_UNUSED2}, + + {oz_cdev_init, + oz_cdev_term, + oz_cdev_start, + oz_cdev_stop, + oz_cdev_rx, + 0, + 0, + OZ_APPID_SERIAL}, +}; +/*------------------------------------------------------------------------------ + * Context: process + */ +static int oz_def_app_init(void) +{ + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static void oz_def_app_term(void) +{ +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static int oz_def_app_start(struct oz_pd *pd, int resume) +{ + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static void oz_def_app_stop(struct oz_pd *pd, int pause) +{ +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static void oz_def_app_rx(struct oz_pd *pd, struct oz_elt *elt) +{ +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_pd_set_state(struct oz_pd *pd, unsigned state) +{ + pd->state = state; + oz_event_log(OZ_EVT_PD_STATE, 0, 0, 0, state); +#ifdef WANT_TRACE + switch (state) { + case OZ_PD_S_IDLE: + oz_trace("PD State: OZ_PD_S_IDLE\n"); + break; + case OZ_PD_S_CONNECTED: + oz_trace("PD State: OZ_PD_S_CONNECTED\n"); + break; + case OZ_PD_S_STOPPED: + oz_trace("PD State: OZ_PD_S_STOPPED\n"); + break; + case OZ_PD_S_SLEEP: + oz_trace("PD State: OZ_PD_S_SLEEP\n"); + break; + } +#endif /* WANT_TRACE */ +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_pd_get(struct oz_pd *pd) +{ + atomic_inc(&pd->ref_count); +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_pd_put(struct oz_pd *pd) +{ + if (atomic_dec_and_test(&pd->ref_count)) + oz_pd_destroy(pd); +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +struct oz_pd *oz_pd_alloc(u8 *mac_addr) +{ + struct oz_pd *pd = kzalloc(sizeof(struct oz_pd), GFP_ATOMIC); + if (pd) { + int i; + atomic_set(&pd->ref_count, 2); + for (i = 0; i < OZ_APPID_MAX; i++) + spin_lock_init(&pd->app_lock[i]); + pd->last_rx_pkt_num = 0xffffffff; + oz_pd_set_state(pd, OZ_PD_S_IDLE); + pd->max_tx_size = OZ_MAX_TX_SIZE; + memcpy(pd->mac_addr, mac_addr, ETH_ALEN); + if (0 != oz_elt_buf_init(&pd->elt_buff)) { + kfree(pd); + pd = 0; + } + spin_lock_init(&pd->tx_frame_lock); + INIT_LIST_HEAD(&pd->tx_queue); + INIT_LIST_HEAD(&pd->farewell_list); + pd->last_sent_frame = &pd->tx_queue; + spin_lock_init(&pd->stream_lock); + INIT_LIST_HEAD(&pd->stream_list); + } + return pd; +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_pd_destroy(struct oz_pd *pd) +{ + struct list_head *e; + struct oz_tx_frame *f; + struct oz_isoc_stream *st; + struct oz_farewell *fwell; + oz_trace("Destroying PD\n"); + /* Delete any streams. + */ + e = pd->stream_list.next; + while (e != &pd->stream_list) { + st = container_of(e, struct oz_isoc_stream, link); + e = e->next; + oz_isoc_stream_free(st); + } + /* Free any queued tx frames. + */ + e = pd->tx_queue.next; + while (e != &pd->tx_queue) { + f = container_of(e, struct oz_tx_frame, link); + e = e->next; + oz_retire_frame(pd, f); + } + oz_elt_buf_term(&pd->elt_buff); + /* Free any farewells. + */ + e = pd->farewell_list.next; + while (e != &pd->farewell_list) { + fwell = container_of(e, struct oz_farewell, link); + e = e->next; + kfree(fwell); + } + /* Deallocate all frames in tx pool. + */ + while (pd->tx_pool) { + e = pd->tx_pool; + pd->tx_pool = e->next; + kfree(container_of(e, struct oz_tx_frame, link)); + } + if (pd->net_dev) + dev_put(pd->net_dev); + kfree(pd); +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +int oz_services_start(struct oz_pd *pd, u16 apps, int resume) +{ + struct oz_app_if *ai; + int rc = 0; + oz_trace("oz_services_start(0x%x) resume(%d)\n", apps, resume); + for (ai = g_app_if; ai < &g_app_if[OZ_APPID_MAX]; ai++) { + if (apps & (1<<ai->app_id)) { + if (ai->start(pd, resume)) { + rc = -1; + oz_trace("Unabled to start service %d\n", + ai->app_id); + break; + } + oz_polling_lock_bh(); + pd->total_apps |= (1<<ai->app_id); + if (resume) + pd->paused_apps &= ~(1<<ai->app_id); + oz_polling_unlock_bh(); + } + } + return rc; +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_services_stop(struct oz_pd *pd, u16 apps, int pause) +{ + struct oz_app_if *ai; + oz_trace("oz_stop_services(0x%x) pause(%d)\n", apps, pause); + for (ai = g_app_if; ai < &g_app_if[OZ_APPID_MAX]; ai++) { + if (apps & (1<<ai->app_id)) { + oz_polling_lock_bh(); + if (pause) { + pd->paused_apps |= (1<<ai->app_id); + } else { + pd->total_apps &= ~(1<<ai->app_id); + pd->paused_apps &= ~(1<<ai->app_id); + } + oz_polling_unlock_bh(); + ai->stop(pd, pause); + } + } +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +void oz_pd_heartbeat(struct oz_pd *pd, u16 apps) +{ + struct oz_app_if *ai; + int more = 0; + for (ai = g_app_if; ai < &g_app_if[OZ_APPID_MAX]; ai++) { + if (ai->heartbeat && (apps & (1<<ai->app_id))) { + if (ai->heartbeat(pd)) + more = 1; + } + } + if (more) + oz_pd_request_heartbeat(pd); + if (pd->mode & OZ_F_ISOC_ANYTIME) { + int count = 8; + while (count-- && (oz_send_isoc_frame(pd) >= 0)) + ; + } +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_pd_stop(struct oz_pd *pd) +{ + u16 stop_apps = 0; + oz_trace("oz_pd_stop() State = 0x%x\n", pd->state); + oz_pd_indicate_farewells(pd); + oz_polling_lock_bh(); + stop_apps = pd->total_apps; + pd->total_apps = 0; + pd->paused_apps = 0; + oz_polling_unlock_bh(); + oz_services_stop(pd, stop_apps, 0); + oz_polling_lock_bh(); + oz_pd_set_state(pd, OZ_PD_S_STOPPED); + /* Remove from PD list.*/ + list_del(&pd->link); + oz_polling_unlock_bh(); + oz_trace("pd ref count = %d\n", atomic_read(&pd->ref_count)); + oz_timer_delete(pd, 0); + oz_pd_put(pd); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +int oz_pd_sleep(struct oz_pd *pd) +{ + int do_stop = 0; + u16 stop_apps = 0; + oz_polling_lock_bh(); + if (pd->state & (OZ_PD_S_SLEEP | OZ_PD_S_STOPPED)) { + oz_polling_unlock_bh(); + return 0; + } + if (pd->keep_alive_j && pd->session_id) { + oz_pd_set_state(pd, OZ_PD_S_SLEEP); + pd->pulse_time_j = jiffies + pd->keep_alive_j; + oz_trace("Sleep Now %lu until %lu\n", + jiffies, pd->pulse_time_j); + } else { + do_stop = 1; + } + stop_apps = pd->total_apps; + oz_polling_unlock_bh(); + if (do_stop) { + oz_pd_stop(pd); + } else { + oz_services_stop(pd, stop_apps, 1); + oz_timer_add(pd, OZ_TIMER_STOP, jiffies + pd->keep_alive_j, 1); + } + return do_stop; +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static struct oz_tx_frame *oz_tx_frame_alloc(struct oz_pd *pd) +{ + struct oz_tx_frame *f = 0; + spin_lock_bh(&pd->tx_frame_lock); + if (pd->tx_pool) { + f = container_of(pd->tx_pool, struct oz_tx_frame, link); + pd->tx_pool = pd->tx_pool->next; + pd->tx_pool_count--; + } + spin_unlock_bh(&pd->tx_frame_lock); + if (f == 0) + f = kmalloc(sizeof(struct oz_tx_frame), GFP_ATOMIC); + if (f) { + f->total_size = sizeof(struct oz_hdr); + INIT_LIST_HEAD(&f->link); + INIT_LIST_HEAD(&f->elt_list); + } + return f; +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +static void oz_tx_frame_free(struct oz_pd *pd, struct oz_tx_frame *f) +{ + spin_lock_bh(&pd->tx_frame_lock); + if (pd->tx_pool_count < OZ_MAX_TX_POOL_SIZE) { + f->link.next = pd->tx_pool; + pd->tx_pool = &f->link; + pd->tx_pool_count++; + f = 0; + } else { + kfree(f); + } + spin_unlock_bh(&pd->tx_frame_lock); + if (f) + kfree(f); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +int oz_prepare_frame(struct oz_pd *pd, int empty) +{ + struct oz_tx_frame *f; + if ((pd->mode & OZ_MODE_MASK) != OZ_MODE_TRIGGERED) + return -1; + if (pd->nb_queued_frames >= OZ_MAX_QUEUED_FRAMES) + return -1; + if (!empty && !oz_are_elts_available(&pd->elt_buff)) + return -1; + f = oz_tx_frame_alloc(pd); + if (f == 0) + return -1; + f->hdr.control = + (OZ_PROTOCOL_VERSION<<OZ_VERSION_SHIFT) | OZ_F_ACK_REQUESTED; + ++pd->last_tx_pkt_num; + put_unaligned(cpu_to_le32(pd->last_tx_pkt_num), &f->hdr.pkt_num); + if (empty == 0) { + oz_select_elts_for_tx(&pd->elt_buff, 0, &f->total_size, + pd->max_tx_size, &f->elt_list); + } + spin_lock(&pd->tx_frame_lock); + list_add_tail(&f->link, &pd->tx_queue); + pd->nb_queued_frames++; + spin_unlock(&pd->tx_frame_lock); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +static struct sk_buff *oz_build_frame(struct oz_pd *pd, struct oz_tx_frame *f) +{ + struct sk_buff *skb = 0; + struct net_device *dev = pd->net_dev; + struct oz_hdr *oz_hdr; + struct oz_elt *elt; + struct list_head *e; + /* Allocate skb with enough space for the lower layers as well + * as the space we need. + */ + skb = alloc_skb(f->total_size + OZ_ALLOCATED_SPACE(dev), GFP_ATOMIC); + if (skb == 0) + return 0; + /* Reserve the head room for lower layers. + */ + skb_reserve(skb, LL_RESERVED_SPACE(dev)); + skb_reset_network_header(skb); + skb->dev = dev; + skb->protocol = htons(OZ_ETHERTYPE); + if (dev_hard_header(skb, dev, OZ_ETHERTYPE, pd->mac_addr, + dev->dev_addr, skb->len) < 0) + goto fail; + /* Push the tail to the end of the area we are going to copy to. + */ + oz_hdr = (struct oz_hdr *)skb_put(skb, f->total_size); + f->hdr.last_pkt_num = pd->trigger_pkt_num & OZ_LAST_PN_MASK; + memcpy(oz_hdr, &f->hdr, sizeof(struct oz_hdr)); + /* Copy the elements into the frame body. + */ + elt = (struct oz_elt *)(oz_hdr+1); + for (e = f->elt_list.next; e != &f->elt_list; e = e->next) { + struct oz_elt_info *ei; + ei = container_of(e, struct oz_elt_info, link); + memcpy(elt, ei->data, ei->length); + elt = oz_next_elt(elt); + } + return skb; +fail: + kfree_skb(skb); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +static void oz_retire_frame(struct oz_pd *pd, struct oz_tx_frame *f) +{ + struct list_head *e; + struct oz_elt_info *ei; + e = f->elt_list.next; + while (e != &f->elt_list) { + ei = container_of(e, struct oz_elt_info, link); + e = e->next; + list_del_init(&ei->link); + if (ei->callback) + ei->callback(pd, ei->context); + spin_lock_bh(&pd->elt_buff.lock); + oz_elt_info_free(&pd->elt_buff, ei); + spin_unlock_bh(&pd->elt_buff.lock); + } + oz_tx_frame_free(pd, f); + if (pd->elt_buff.free_elts > pd->elt_buff.max_free_elts) + oz_trim_elt_pool(&pd->elt_buff); +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +static int oz_send_next_queued_frame(struct oz_pd *pd, int *more_data) +{ + struct sk_buff *skb; + struct oz_tx_frame *f; + struct list_head *e; + *more_data = 0; + spin_lock(&pd->tx_frame_lock); + e = pd->last_sent_frame->next; + if (e == &pd->tx_queue) { + spin_unlock(&pd->tx_frame_lock); + return -1; + } + pd->last_sent_frame = e; + if (e->next != &pd->tx_queue) + *more_data = 1; + f = container_of(e, struct oz_tx_frame, link); + skb = oz_build_frame(pd, f); + spin_unlock(&pd->tx_frame_lock); + oz_trace2(OZ_TRACE_TX_FRAMES, "TX frame PN=0x%x\n", f->hdr.pkt_num); + if (skb) { + oz_event_log(OZ_EVT_TX_FRAME, + 0, + (((u16)f->hdr.control)<<8)|f->hdr.last_pkt_num, + 0, f->hdr.pkt_num); + if (dev_queue_xmit(skb) < 0) + return -1; + } + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +void oz_send_queued_frames(struct oz_pd *pd, int backlog) +{ + int more; + if (backlog < OZ_MAX_QUEUED_FRAMES) { + if (oz_send_next_queued_frame(pd, &more) >= 0) { + while (more && oz_send_next_queued_frame(pd, &more)) + ; + } else { + if (((pd->mode & OZ_F_ISOC_ANYTIME) == 0) + || (pd->isoc_sent == 0)) { + if (oz_prepare_frame(pd, 1) >= 0) + oz_send_next_queued_frame(pd, &more); + } + } + } else { + oz_send_next_queued_frame(pd, &more); + } +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static int oz_send_isoc_frame(struct oz_pd *pd) +{ + struct sk_buff *skb = 0; + struct net_device *dev = pd->net_dev; + struct oz_hdr *oz_hdr; + struct oz_elt *elt; + struct list_head *e; + struct list_head list; + int total_size = sizeof(struct oz_hdr); + INIT_LIST_HEAD(&list); + + oz_select_elts_for_tx(&pd->elt_buff, 1, &total_size, + pd->max_tx_size, &list); + if (list.next == &list) + return 0; + skb = alloc_skb(total_size + OZ_ALLOCATED_SPACE(dev), GFP_ATOMIC); + if (skb == 0) { + oz_trace("Cannot alloc skb\n"); + oz_elt_info_free_chain(&pd->elt_buff, &list); + return -1; + } + skb_reserve(skb, LL_RESERVED_SPACE(dev)); + skb_reset_network_header(skb); + skb->dev = dev; + skb->protocol = htons(OZ_ETHERTYPE); + if (dev_hard_header(skb, dev, OZ_ETHERTYPE, pd->mac_addr, + dev->dev_addr, skb->len) < 0) { + kfree_skb(skb); + return -1; + } + oz_hdr = (struct oz_hdr *)skb_put(skb, total_size); + oz_hdr->control = (OZ_PROTOCOL_VERSION<<OZ_VERSION_SHIFT) | OZ_F_ISOC; + oz_hdr->last_pkt_num = pd->trigger_pkt_num & OZ_LAST_PN_MASK; + elt = (struct oz_elt *)(oz_hdr+1); + + for (e = list.next; e != &list; e = e->next) { + struct oz_elt_info *ei; + ei = container_of(e, struct oz_elt_info, link); + memcpy(elt, ei->data, ei->length); + elt = oz_next_elt(elt); + } + oz_event_log(OZ_EVT_TX_ISOC, 0, 0, 0, 0); + dev_queue_xmit(skb); + oz_elt_info_free_chain(&pd->elt_buff, &list); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +void oz_retire_tx_frames(struct oz_pd *pd, u8 lpn) +{ + struct list_head *e; + struct oz_tx_frame *f; + struct list_head *first = 0; + struct list_head *last = 0; + u8 diff; + u32 pkt_num; + + spin_lock(&pd->tx_frame_lock); + e = pd->tx_queue.next; + while (e != &pd->tx_queue) { + f = container_of(e, struct oz_tx_frame, link); + pkt_num = le32_to_cpu(get_unaligned(&f->hdr.pkt_num)); + diff = (lpn - (pkt_num & OZ_LAST_PN_MASK)) & OZ_LAST_PN_MASK; + if (diff > OZ_LAST_PN_HALF_CYCLE) + break; + if (first == 0) + first = e; + last = e; + e = e->next; + pd->nb_queued_frames--; + } + if (first) { + last->next->prev = &pd->tx_queue; + pd->tx_queue.next = last->next; + last->next = 0; + } + pd->last_sent_frame = &pd->tx_queue; + spin_unlock(&pd->tx_frame_lock); + while (first) { + f = container_of(first, struct oz_tx_frame, link); + first = first->next; + oz_retire_frame(pd, f); + } +} +/*------------------------------------------------------------------------------ + * Precondition: stream_lock must be held. + * Context: softirq + */ +static struct oz_isoc_stream *pd_stream_find(struct oz_pd *pd, u8 ep_num) +{ + struct list_head *e; + struct oz_isoc_stream *st; + list_for_each(e, &pd->stream_list) { + st = container_of(e, struct oz_isoc_stream, link); + if (st->ep_num == ep_num) + return st; + } + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +int oz_isoc_stream_create(struct oz_pd *pd, u8 ep_num) +{ + struct oz_isoc_stream *st = + kzalloc(sizeof(struct oz_isoc_stream), GFP_ATOMIC); + if (!st) + return -ENOMEM; + st->ep_num = ep_num; + spin_lock_bh(&pd->stream_lock); + if (!pd_stream_find(pd, ep_num)) { + list_add(&st->link, &pd->stream_list); + st = 0; + } + spin_unlock_bh(&pd->stream_lock); + if (st) + kfree(st); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +static void oz_isoc_stream_free(struct oz_isoc_stream *st) +{ + if (st->skb) + kfree_skb(st->skb); + kfree(st); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +int oz_isoc_stream_delete(struct oz_pd *pd, u8 ep_num) +{ + struct oz_isoc_stream *st; + spin_lock_bh(&pd->stream_lock); + st = pd_stream_find(pd, ep_num); + if (st) + list_del(&st->link); + spin_unlock_bh(&pd->stream_lock); + if (st) + oz_isoc_stream_free(st); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: any + */ +static void oz_isoc_destructor(struct sk_buff *skb) +{ + atomic_dec(&g_submitted_isoc); + oz_event_log(OZ_EVT_TX_ISOC_DONE, atomic_read(&g_submitted_isoc), + 0, skb, 0); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +int oz_send_isoc_unit(struct oz_pd *pd, u8 ep_num, u8 *data, int len) +{ + struct net_device *dev = pd->net_dev; + struct oz_isoc_stream *st; + u8 nb_units = 0; + struct sk_buff *skb = 0; + struct oz_hdr *oz_hdr = 0; + int size = 0; + spin_lock_bh(&pd->stream_lock); + st = pd_stream_find(pd, ep_num); + if (st) { + skb = st->skb; + st->skb = 0; + nb_units = st->nb_units; + st->nb_units = 0; + oz_hdr = st->oz_hdr; + size = st->size; + } + spin_unlock_bh(&pd->stream_lock); + if (!st) + return 0; + if (!skb) { + /* Allocate enough space for max size frame. */ + skb = alloc_skb(pd->max_tx_size + OZ_ALLOCATED_SPACE(dev), + GFP_ATOMIC); + if (skb == 0) + return 0; + /* Reserve the head room for lower layers. */ + skb_reserve(skb, LL_RESERVED_SPACE(dev)); + skb_reset_network_header(skb); + skb->dev = dev; + skb->protocol = htons(OZ_ETHERTYPE); + size = sizeof(struct oz_hdr) + sizeof(struct oz_isoc_large); + oz_hdr = (struct oz_hdr *)skb_put(skb, size); + } + memcpy(skb_put(skb, len), data, len); + size += len; + if (++nb_units < pd->ms_per_isoc) { + spin_lock_bh(&pd->stream_lock); + st->skb = skb; + st->nb_units = nb_units; + st->oz_hdr = oz_hdr; + st->size = size; + spin_unlock_bh(&pd->stream_lock); + } else { + struct oz_hdr oz; + struct oz_isoc_large iso; + spin_lock_bh(&pd->stream_lock); + iso.frame_number = st->frame_num; + st->frame_num += nb_units; + spin_unlock_bh(&pd->stream_lock); + oz.control = + (OZ_PROTOCOL_VERSION<<OZ_VERSION_SHIFT) | OZ_F_ISOC; + oz.last_pkt_num = pd->trigger_pkt_num & OZ_LAST_PN_MASK; + oz.pkt_num = 0; + iso.endpoint = ep_num; + iso.format = OZ_DATA_F_ISOC_LARGE; + iso.ms_data = nb_units; + memcpy(oz_hdr, &oz, sizeof(oz)); + memcpy(oz_hdr+1, &iso, sizeof(iso)); + if (dev_hard_header(skb, dev, OZ_ETHERTYPE, pd->mac_addr, + dev->dev_addr, skb->len) < 0) { + kfree_skb(skb); + return -1; + } + if (atomic_read(&g_submitted_isoc) < OZ_MAX_SUBMITTED_ISOC) { + skb->destructor = oz_isoc_destructor; + atomic_inc(&g_submitted_isoc); + oz_event_log(OZ_EVT_TX_ISOC, nb_units, iso.frame_number, + skb, atomic_read(&g_submitted_isoc)); + if (dev_queue_xmit(skb) < 0) + return -1; + } else { + oz_event_log(OZ_EVT_TX_ISOC_DROP, 0, 0, 0, 0); + kfree_skb(skb); + } + } + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +void oz_apps_init(void) +{ + int i; + for (i = 0; i < OZ_APPID_MAX; i++) + if (g_app_if[i].init) + g_app_if[i].init(); +} +/*------------------------------------------------------------------------------ + * Context: process + */ +void oz_apps_term(void) +{ + int i; + /* Terminate all the apps. */ + for (i = 0; i < OZ_APPID_MAX; i++) + if (g_app_if[i].term) + g_app_if[i].term(); +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +void oz_handle_app_elt(struct oz_pd *pd, u8 app_id, struct oz_elt *elt) +{ + struct oz_app_if *ai; + if (app_id == 0 || app_id > OZ_APPID_MAX) + return; + ai = &g_app_if[app_id-1]; + ai->rx(pd, elt); +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_pd_indicate_farewells(struct oz_pd *pd) +{ + struct oz_farewell *f; + struct oz_app_if *ai = &g_app_if[OZ_APPID_USB-1]; + while (1) { + oz_polling_lock_bh(); + if (list_empty(&pd->farewell_list)) { + oz_polling_unlock_bh(); + break; + } + f = list_first_entry(&pd->farewell_list, + struct oz_farewell, link); + list_del(&f->link); + oz_polling_unlock_bh(); + if (ai->farewell) + ai->farewell(pd, f->ep_num, f->report, f->len); + kfree(f); + } +} diff --git a/drivers/staging/ozwpan/ozpd.h b/drivers/staging/ozwpan/ozpd.h new file mode 100644 index 00000000000..afc77f0260f --- /dev/null +++ b/drivers/staging/ozwpan/ozpd.h @@ -0,0 +1,121 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#ifndef _OZPD_H_ +#define _OZPD_H_ + +#include "ozeltbuf.h" + +/* PD state + */ +#define OZ_PD_S_IDLE 0x1 +#define OZ_PD_S_CONNECTED 0x2 +#define OZ_PD_S_SLEEP 0x4 +#define OZ_PD_S_STOPPED 0x8 + +/* Timer event types. + */ +#define OZ_TIMER_TOUT 1 +#define OZ_TIMER_HEARTBEAT 2 +#define OZ_TIMER_STOP 3 + +/* Data structure that hold information on a frame for transmisson. This is + * built when the frame is first transmitted and is used to rebuild the frame + * if a re-transmission is required. + */ +struct oz_tx_frame { + struct list_head link; + struct list_head elt_list; + struct oz_hdr hdr; + int total_size; +}; + +struct oz_isoc_stream { + struct list_head link; + u8 ep_num; + u8 frame_num; + u8 nb_units; + int size; + struct sk_buff *skb; + struct oz_hdr *oz_hdr; +}; + +struct oz_farewell { + struct list_head link; + u8 ep_num; + u8 index; + u8 report[1]; + u8 len; +}; + +/* Data structure that holds information on a specific peripheral device (PD). + */ +struct oz_pd { + struct list_head link; + atomic_t ref_count; + u8 mac_addr[ETH_ALEN]; + unsigned state; + unsigned state_flags; + unsigned send_flags; + u16 total_apps; + u16 paused_apps; + u8 session_id; + u8 param_rsp_status; + u8 pd_info; + u8 isoc_sent; + u32 last_rx_pkt_num; + u32 last_tx_pkt_num; + u32 trigger_pkt_num; + unsigned long pulse_time_j; + unsigned long timeout_time_j; + unsigned long pulse_period_j; + unsigned long presleep_j; + unsigned long keep_alive_j; + unsigned long last_rx_time_j; + struct oz_elt_buf elt_buff; + void *app_ctx[OZ_APPID_MAX]; + spinlock_t app_lock[OZ_APPID_MAX]; + int max_tx_size; + u8 heartbeat_requested; + u8 mode; + u8 ms_per_isoc; + unsigned max_stream_buffering; + int nb_queued_frames; + struct list_head *tx_pool; + int tx_pool_count; + spinlock_t tx_frame_lock; + struct list_head *last_sent_frame; + struct list_head tx_queue; + struct list_head farewell_list; + spinlock_t stream_lock; + struct list_head stream_list; + struct net_device *net_dev; +}; + +#define OZ_MAX_QUEUED_FRAMES 4 + +struct oz_pd *oz_pd_alloc(u8 *mac_addr); +void oz_pd_destroy(struct oz_pd *pd); +void oz_pd_get(struct oz_pd *pd); +void oz_pd_put(struct oz_pd *pd); +void oz_pd_set_state(struct oz_pd *pd, unsigned state); +void oz_pd_indicate_farewells(struct oz_pd *pd); +int oz_pd_sleep(struct oz_pd *pd); +void oz_pd_stop(struct oz_pd *pd); +void oz_pd_heartbeat(struct oz_pd *pd, u16 apps); +int oz_services_start(struct oz_pd *pd, u16 apps, int resume); +void oz_services_stop(struct oz_pd *pd, u16 apps, int pause); +int oz_prepare_frame(struct oz_pd *pd, int empty); +void oz_send_queued_frames(struct oz_pd *pd, int backlog); +void oz_retire_tx_frames(struct oz_pd *pd, u8 lpn); +int oz_isoc_stream_create(struct oz_pd *pd, u8 ep_num); +int oz_isoc_stream_delete(struct oz_pd *pd, u8 ep_num); +int oz_send_isoc_unit(struct oz_pd *pd, u8 ep_num, u8 *data, int len); +void oz_handle_app_elt(struct oz_pd *pd, u8 app_id, struct oz_elt *elt); +void oz_apps_init(void); +void oz_apps_term(void); + +#endif /* Sentry */ + diff --git a/drivers/staging/ozwpan/ozproto.c b/drivers/staging/ozwpan/ozproto.c new file mode 100644 index 00000000000..ad857eeabbb --- /dev/null +++ b/drivers/staging/ozwpan/ozproto.c @@ -0,0 +1,957 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/timer.h> +#include <linux/sched.h> +#include <linux/netdevice.h> +#include <linux/errno.h> +#include <linux/ieee80211.h> +#include "ozconfig.h" +#include "ozprotocol.h" +#include "ozeltbuf.h" +#include "ozpd.h" +#include "ozproto.h" +#include "ozusbsvc.h" +#include "oztrace.h" +#include "ozappif.h" +#include "ozevent.h" +#include <asm/unaligned.h> +#include <linux/uaccess.h> +#include <net/psnap.h> +/*------------------------------------------------------------------------------ + */ +#define OZ_CF_CONN_SUCCESS 1 +#define OZ_CF_CONN_FAILURE 2 + +#define OZ_DO_STOP 1 +#define OZ_DO_SLEEP 2 + +/* States of the timer. + */ +#define OZ_TIMER_IDLE 0 +#define OZ_TIMER_SET 1 +#define OZ_TIMER_IN_HANDLER 2 + +#define OZ_MAX_TIMER_POOL_SIZE 16 + +/*------------------------------------------------------------------------------ + */ +struct oz_binding { + struct packet_type ptype; + char name[OZ_MAX_BINDING_LEN]; + struct oz_binding *next; +}; + +struct oz_timer { + struct list_head link; + struct oz_pd *pd; + unsigned long due_time; + int type; +}; +/*------------------------------------------------------------------------------ + * Static external variables. + */ +static DEFINE_SPINLOCK(g_polling_lock); +static LIST_HEAD(g_pd_list); +static struct oz_binding *g_binding ; +static DEFINE_SPINLOCK(g_binding_lock); +static struct sk_buff_head g_rx_queue; +static u8 g_session_id; +static u16 g_apps = 0x1; +static int g_processing_rx; +static struct timer_list g_timer; +static struct oz_timer *g_cur_timer; +static struct list_head *g_timer_pool; +static int g_timer_pool_count; +static int g_timer_state = OZ_TIMER_IDLE; +static LIST_HEAD(g_timer_list); +/*------------------------------------------------------------------------------ + */ +static void oz_protocol_timer_start(void); +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +static u8 oz_get_new_session_id(u8 exclude) +{ + if (++g_session_id == 0) + g_session_id = 1; + if (g_session_id == exclude) { + if (++g_session_id == 0) + g_session_id = 1; + } + return g_session_id; +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +static void oz_send_conn_rsp(struct oz_pd *pd, u8 status) +{ + struct sk_buff *skb; + struct net_device *dev = pd->net_dev; + struct oz_hdr *oz_hdr; + struct oz_elt *elt; + struct oz_elt_connect_rsp *body; + int sz = sizeof(struct oz_hdr) + sizeof(struct oz_elt) + + sizeof(struct oz_elt_connect_rsp); + skb = alloc_skb(sz + OZ_ALLOCATED_SPACE(dev), GFP_ATOMIC); + if (skb == 0) + return; + skb_reserve(skb, LL_RESERVED_SPACE(dev)); + skb_reset_network_header(skb); + oz_hdr = (struct oz_hdr *)skb_put(skb, sz); + elt = (struct oz_elt *)(oz_hdr+1); + body = (struct oz_elt_connect_rsp *)(elt+1); + skb->dev = dev; + skb->protocol = htons(OZ_ETHERTYPE); + /* Fill in device header */ + if (dev_hard_header(skb, dev, OZ_ETHERTYPE, pd->mac_addr, + dev->dev_addr, skb->len) < 0) { + kfree_skb(skb); + return; + } + oz_hdr->control = (OZ_PROTOCOL_VERSION<<OZ_VERSION_SHIFT); + oz_hdr->last_pkt_num = 0; + put_unaligned(0, &oz_hdr->pkt_num); + oz_event_log(OZ_EVT_CONNECT_RSP, 0, 0, 0, 0); + elt->type = OZ_ELT_CONNECT_RSP; + elt->length = sizeof(struct oz_elt_connect_rsp); + memset(body, 0, sizeof(struct oz_elt_connect_rsp)); + body->status = status; + if (status == 0) { + body->mode = pd->mode; + body->session_id = pd->session_id; + put_unaligned(cpu_to_le16(pd->total_apps), &body->apps); + } + oz_trace("TX: OZ_ELT_CONNECT_RSP %d", status); + dev_queue_xmit(skb); + return; +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +static void pd_set_keepalive(struct oz_pd *pd, u8 kalive) +{ + unsigned long keep_alive = kalive & OZ_KALIVE_VALUE_MASK; + + switch (kalive & OZ_KALIVE_TYPE_MASK) { + case OZ_KALIVE_SPECIAL: + pd->keep_alive_j = + oz_ms_to_jiffies(keep_alive * 1000*60*60*24*20); + break; + case OZ_KALIVE_SECS: + pd->keep_alive_j = oz_ms_to_jiffies(keep_alive*1000); + break; + case OZ_KALIVE_MINS: + pd->keep_alive_j = oz_ms_to_jiffies(keep_alive*1000*60); + break; + case OZ_KALIVE_HOURS: + pd->keep_alive_j = oz_ms_to_jiffies(keep_alive*1000*60*60); + break; + default: + pd->keep_alive_j = 0; + } + oz_trace("Keepalive = %lu jiffies\n", pd->keep_alive_j); +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +static void pd_set_presleep(struct oz_pd *pd, u8 presleep) +{ + if (presleep) + pd->presleep_j = oz_ms_to_jiffies(presleep*100); + else + pd->presleep_j = OZ_PRESLEEP_TOUT_J; + oz_trace("Presleep time = %lu jiffies\n", pd->presleep_j); +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +static struct oz_pd *oz_connect_req(struct oz_pd *cur_pd, struct oz_elt *elt, + u8 *pd_addr, struct net_device *net_dev) +{ + struct oz_pd *pd; + struct oz_elt_connect_req *body = + (struct oz_elt_connect_req *)(elt+1); + u8 rsp_status = OZ_STATUS_SUCCESS; + u8 stop_needed = 0; + u16 new_apps = g_apps; + struct net_device *old_net_dev = 0; + struct oz_pd *free_pd = 0; + if (cur_pd) { + pd = cur_pd; + spin_lock_bh(&g_polling_lock); + } else { + struct oz_pd *pd2 = 0; + struct list_head *e; + pd = oz_pd_alloc(pd_addr); + if (pd == 0) + return 0; + pd->last_rx_time_j = jiffies; + spin_lock_bh(&g_polling_lock); + list_for_each(e, &g_pd_list) { + pd2 = container_of(e, struct oz_pd, link); + if (memcmp(pd2->mac_addr, pd_addr, ETH_ALEN) == 0) { + free_pd = pd; + pd = pd2; + break; + } + } + if (pd != pd2) + list_add_tail(&pd->link, &g_pd_list); + } + if (pd == 0) { + spin_unlock_bh(&g_polling_lock); + return 0; + } + if (pd->net_dev != net_dev) { + old_net_dev = pd->net_dev; + dev_hold(net_dev); + pd->net_dev = net_dev; + } + oz_trace("Host vendor: %d\n", body->host_vendor); + pd->max_tx_size = OZ_MAX_TX_SIZE; + pd->mode = body->mode; + pd->pd_info = body->pd_info; + if (pd->mode & OZ_F_ISOC_NO_ELTS) { + pd->mode |= OZ_F_ISOC_ANYTIME; + pd->ms_per_isoc = body->ms_per_isoc; + if (!pd->ms_per_isoc) + pd->ms_per_isoc = 4; + } + if (body->max_len_div16) + pd->max_tx_size = ((u16)body->max_len_div16)<<4; + oz_trace("Max frame:%u Ms per isoc:%u\n", + pd->max_tx_size, pd->ms_per_isoc); + pd->max_stream_buffering = 3*1024; + pd->timeout_time_j = jiffies + OZ_CONNECTION_TOUT_J; + pd->pulse_period_j = OZ_QUANTUM_J; + pd_set_presleep(pd, body->presleep); + pd_set_keepalive(pd, body->keep_alive); + + new_apps &= le16_to_cpu(get_unaligned(&body->apps)); + if ((new_apps & 0x1) && (body->session_id)) { + if (pd->session_id) { + if (pd->session_id != body->session_id) { + rsp_status = OZ_STATUS_SESSION_MISMATCH; + goto done; + } + } else { + new_apps &= ~0x1; /* Resume not permitted */ + pd->session_id = + oz_get_new_session_id(body->session_id); + } + } else { + if (pd->session_id && !body->session_id) { + rsp_status = OZ_STATUS_SESSION_TEARDOWN; + stop_needed = 1; + } else { + new_apps &= ~0x1; /* Resume not permitted */ + pd->session_id = + oz_get_new_session_id(body->session_id); + } + } +done: + if (rsp_status == OZ_STATUS_SUCCESS) { + u16 start_apps = new_apps & ~pd->total_apps & ~0x1; + u16 stop_apps = pd->total_apps & ~new_apps & ~0x1; + u16 resume_apps = new_apps & pd->paused_apps & ~0x1; + spin_unlock_bh(&g_polling_lock); + oz_pd_set_state(pd, OZ_PD_S_CONNECTED); + oz_timer_delete(pd, OZ_TIMER_STOP); + oz_trace("new_apps=0x%x total_apps=0x%x paused_apps=0x%x\n", + new_apps, pd->total_apps, pd->paused_apps); + if (start_apps) { + if (oz_services_start(pd, start_apps, 0)) + rsp_status = OZ_STATUS_TOO_MANY_PDS; + } + if (resume_apps) + if (oz_services_start(pd, resume_apps, 1)) + rsp_status = OZ_STATUS_TOO_MANY_PDS; + if (stop_apps) + oz_services_stop(pd, stop_apps, 0); + oz_pd_request_heartbeat(pd); + } else { + spin_unlock_bh(&g_polling_lock); + } + oz_send_conn_rsp(pd, rsp_status); + if (rsp_status != OZ_STATUS_SUCCESS) { + if (stop_needed) + oz_pd_stop(pd); + oz_pd_put(pd); + pd = 0; + } + if (old_net_dev) + dev_put(old_net_dev); + if (free_pd) + oz_pd_destroy(free_pd); + return pd; +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +static void oz_add_farewell(struct oz_pd *pd, u8 ep_num, u8 index, + u8 *report, u8 len) +{ + struct oz_farewell *f; + struct oz_farewell *f2; + int found = 0; + f = kmalloc(sizeof(struct oz_farewell) + len - 1, GFP_ATOMIC); + if (!f) + return; + f->ep_num = ep_num; + f->index = index; + memcpy(f->report, report, len); + oz_trace("RX: Adding farewell report\n"); + spin_lock(&g_polling_lock); + list_for_each_entry(f2, &pd->farewell_list, link) { + if ((f2->ep_num == ep_num) && (f2->index == index)) { + found = 1; + list_del(&f2->link); + break; + } + } + list_add_tail(&f->link, &pd->farewell_list); + spin_unlock(&g_polling_lock); + if (found) + kfree(f2); +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +static void oz_rx_frame(struct sk_buff *skb) +{ + u8 *mac_hdr; + u8 *src_addr; + struct oz_elt *elt; + int length; + struct oz_pd *pd = 0; + struct oz_hdr *oz_hdr = (struct oz_hdr *)skb_network_header(skb); + int dup = 0; + u32 pkt_num; + + oz_event_log(OZ_EVT_RX_PROCESS, 0, + (((u16)oz_hdr->control)<<8)|oz_hdr->last_pkt_num, + 0, oz_hdr->pkt_num); + oz_trace2(OZ_TRACE_RX_FRAMES, + "RX frame PN=0x%x LPN=0x%x control=0x%x\n", + oz_hdr->pkt_num, oz_hdr->last_pkt_num, oz_hdr->control); + mac_hdr = skb_mac_header(skb); + src_addr = &mac_hdr[ETH_ALEN] ; + length = skb->len; + + /* Check the version field */ + if (oz_get_prot_ver(oz_hdr->control) != OZ_PROTOCOL_VERSION) { + oz_trace("Incorrect protocol version: %d\n", + oz_get_prot_ver(oz_hdr->control)); + goto done; + } + + pkt_num = le32_to_cpu(get_unaligned(&oz_hdr->pkt_num)); + + pd = oz_pd_find(src_addr); + if (pd) { + pd->last_rx_time_j = jiffies; + oz_timer_add(pd, OZ_TIMER_TOUT, + pd->last_rx_time_j + pd->presleep_j, 1); + if (pkt_num != pd->last_rx_pkt_num) { + pd->last_rx_pkt_num = pkt_num; + } else { + dup = 1; + oz_trace("Duplicate frame\n"); + } + } + + if (pd && !dup && ((pd->mode & OZ_MODE_MASK) == OZ_MODE_TRIGGERED)) { + pd->last_sent_frame = &pd->tx_queue; + if (oz_hdr->control & OZ_F_ACK) { + /* Retire completed frames */ + oz_retire_tx_frames(pd, oz_hdr->last_pkt_num); + } + if ((oz_hdr->control & OZ_F_ACK_REQUESTED) && + (pd->state == OZ_PD_S_CONNECTED)) { + int backlog = pd->nb_queued_frames; + pd->trigger_pkt_num = pkt_num; + /* Send queued frames */ + while (oz_prepare_frame(pd, 0) >= 0) + ; + oz_send_queued_frames(pd, backlog); + } + } + + length -= sizeof(struct oz_hdr); + elt = (struct oz_elt *)((u8 *)oz_hdr + sizeof(struct oz_hdr)); + + while (length >= sizeof(struct oz_elt)) { + length -= sizeof(struct oz_elt) + elt->length; + if (length < 0) + break; + switch (elt->type) { + case OZ_ELT_CONNECT_REQ: + oz_event_log(OZ_EVT_CONNECT_REQ, 0, 0, 0, 0); + oz_trace("RX: OZ_ELT_CONNECT_REQ\n"); + pd = oz_connect_req(pd, elt, src_addr, skb->dev); + break; + case OZ_ELT_DISCONNECT: + oz_trace("RX: OZ_ELT_DISCONNECT\n"); + if (pd) + oz_pd_sleep(pd); + break; + case OZ_ELT_UPDATE_PARAM_REQ: { + struct oz_elt_update_param *body = + (struct oz_elt_update_param *)(elt + 1); + oz_trace("RX: OZ_ELT_UPDATE_PARAM_REQ\n"); + if (pd && (pd->state & OZ_PD_S_CONNECTED)) { + spin_lock(&g_polling_lock); + pd_set_keepalive(pd, body->keepalive); + pd_set_presleep(pd, body->presleep); + spin_unlock(&g_polling_lock); + } + } + break; + case OZ_ELT_FAREWELL_REQ: { + struct oz_elt_farewell *body = + (struct oz_elt_farewell *)(elt + 1); + oz_trace("RX: OZ_ELT_FAREWELL_REQ\n"); + oz_add_farewell(pd, body->ep_num, + body->index, body->report, + elt->length + 1 - sizeof(*body)); + } + break; + case OZ_ELT_APP_DATA: + if (pd && (pd->state & OZ_PD_S_CONNECTED)) { + struct oz_app_hdr *app_hdr = + (struct oz_app_hdr *)(elt+1); + if (dup) + break; + oz_handle_app_elt(pd, app_hdr->app_id, elt); + } + break; + default: + oz_trace("RX: Unknown elt %02x\n", elt->type); + } + elt = oz_next_elt(elt); + } +done: + if (pd) + oz_pd_put(pd); + consume_skb(skb); +} +/*------------------------------------------------------------------------------ + * Context: process + */ +void oz_protocol_term(void) +{ + struct list_head *chain = 0; + del_timer_sync(&g_timer); + /* Walk the list of bindings and remove each one. + */ + spin_lock_bh(&g_binding_lock); + while (g_binding) { + struct oz_binding *b = g_binding; + g_binding = b->next; + spin_unlock_bh(&g_binding_lock); + dev_remove_pack(&b->ptype); + if (b->ptype.dev) + dev_put(b->ptype.dev); + kfree(b); + spin_lock_bh(&g_binding_lock); + } + spin_unlock_bh(&g_binding_lock); + /* Walk the list of PDs and stop each one. This causes the PD to be + * removed from the list so we can just pull each one from the head + * of the list. + */ + spin_lock_bh(&g_polling_lock); + while (!list_empty(&g_pd_list)) { + struct oz_pd *pd = + list_first_entry(&g_pd_list, struct oz_pd, link); + oz_pd_get(pd); + spin_unlock_bh(&g_polling_lock); + oz_pd_stop(pd); + oz_pd_put(pd); + spin_lock_bh(&g_polling_lock); + } + chain = g_timer_pool; + g_timer_pool = 0; + spin_unlock_bh(&g_polling_lock); + while (chain) { + struct oz_timer *t = container_of(chain, struct oz_timer, link); + chain = chain->next; + kfree(t); + } + oz_trace("Protocol stopped\n"); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static void oz_pd_handle_timer(struct oz_pd *pd, int type) +{ + switch (type) { + case OZ_TIMER_TOUT: + oz_pd_sleep(pd); + break; + case OZ_TIMER_STOP: + oz_pd_stop(pd); + break; + case OZ_TIMER_HEARTBEAT: { + u16 apps = 0; + spin_lock_bh(&g_polling_lock); + pd->heartbeat_requested = 0; + if (pd->state & OZ_PD_S_CONNECTED) + apps = pd->total_apps; + spin_unlock_bh(&g_polling_lock); + if (apps) + oz_pd_heartbeat(pd, apps); + } + break; + } +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static void oz_protocol_timer(unsigned long arg) +{ + struct oz_timer *t; + struct oz_timer *t2; + struct oz_pd *pd; + spin_lock_bh(&g_polling_lock); + if (!g_cur_timer) { + /* This happens if we remove the current timer but can't stop + * the timer from firing. In this case just get out. + */ + oz_event_log(OZ_EVT_TIMER, 0, 0, 0, 0); + spin_unlock_bh(&g_polling_lock); + return; + } + g_timer_state = OZ_TIMER_IN_HANDLER; + t = g_cur_timer; + g_cur_timer = 0; + list_del(&t->link); + spin_unlock_bh(&g_polling_lock); + do { + pd = t->pd; + oz_event_log(OZ_EVT_TIMER, 0, t->type, 0, 0); + oz_pd_handle_timer(pd, t->type); + spin_lock_bh(&g_polling_lock); + if (g_timer_pool_count < OZ_MAX_TIMER_POOL_SIZE) { + t->link.next = g_timer_pool; + g_timer_pool = &t->link; + g_timer_pool_count++; + t = 0; + } + if (!list_empty(&g_timer_list)) { + t2 = container_of(g_timer_list.next, + struct oz_timer, link); + if (time_before_eq(t2->due_time, jiffies)) + list_del(&t2->link); + else + t2 = 0; + } else { + t2 = 0; + } + spin_unlock_bh(&g_polling_lock); + oz_pd_put(pd); + if (t) + kfree(t); + t = t2; + } while (t); + g_timer_state = OZ_TIMER_IDLE; + oz_protocol_timer_start(); +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static void oz_protocol_timer_start(void) +{ + spin_lock_bh(&g_polling_lock); + if (!list_empty(&g_timer_list)) { + g_cur_timer = + container_of(g_timer_list.next, struct oz_timer, link); + if (g_timer_state == OZ_TIMER_SET) { + oz_event_log(OZ_EVT_TIMER_CTRL, 3, + (u16)g_cur_timer->type, 0, + (unsigned)g_cur_timer->due_time); + mod_timer(&g_timer, g_cur_timer->due_time); + } else { + oz_event_log(OZ_EVT_TIMER_CTRL, 4, + (u16)g_cur_timer->type, 0, + (unsigned)g_cur_timer->due_time); + g_timer.expires = g_cur_timer->due_time; + g_timer.function = oz_protocol_timer; + g_timer.data = 0; + add_timer(&g_timer); + } + g_timer_state = OZ_TIMER_SET; + } else { + oz_trace("No queued timers\n"); + } + spin_unlock_bh(&g_polling_lock); +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_timer_add(struct oz_pd *pd, int type, unsigned long due_time, + int remove) +{ + struct list_head *e; + struct oz_timer *t = 0; + int restart_needed = 0; + oz_event_log(OZ_EVT_TIMER_CTRL, 1, (u16)type, 0, (unsigned)due_time); + spin_lock(&g_polling_lock); + if (remove) { + list_for_each(e, &g_timer_list) { + t = container_of(e, struct oz_timer, link); + if ((t->pd == pd) && (t->type == type)) { + if (g_cur_timer == t) { + restart_needed = 1; + g_cur_timer = 0; + } + list_del(e); + break; + } + t = 0; + } + } + if (!t) { + if (g_timer_pool) { + t = container_of(g_timer_pool, struct oz_timer, link); + g_timer_pool = g_timer_pool->next; + g_timer_pool_count--; + } else { + t = kmalloc(sizeof(struct oz_timer), GFP_ATOMIC); + } + if (t) { + t->pd = pd; + t->type = type; + oz_pd_get(pd); + } + } + if (t) { + struct oz_timer *t2; + t->due_time = due_time; + list_for_each(e, &g_timer_list) { + t2 = container_of(e, struct oz_timer, link); + if (time_before(due_time, t2->due_time)) { + if (t2 == g_cur_timer) { + g_cur_timer = 0; + restart_needed = 1; + } + break; + } + } + list_add_tail(&t->link, e); + } + if (g_timer_state == OZ_TIMER_IDLE) + restart_needed = 1; + else if (g_timer_state == OZ_TIMER_IN_HANDLER) + restart_needed = 0; + spin_unlock(&g_polling_lock); + if (restart_needed) + oz_protocol_timer_start(); +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_timer_delete(struct oz_pd *pd, int type) +{ + struct list_head *chain = 0; + struct oz_timer *t; + struct oz_timer *n; + int restart_needed = 0; + int release = 0; + oz_event_log(OZ_EVT_TIMER_CTRL, 2, (u16)type, 0, 0); + spin_lock(&g_polling_lock); + list_for_each_entry_safe(t, n, &g_timer_list, link) { + if ((t->pd == pd) && ((type == 0) || (t->type == type))) { + if (g_cur_timer == t) { + restart_needed = 1; + g_cur_timer = 0; + del_timer(&g_timer); + } + list_del(&t->link); + release++; + if (g_timer_pool_count < OZ_MAX_TIMER_POOL_SIZE) { + t->link.next = g_timer_pool; + g_timer_pool = &t->link; + g_timer_pool_count++; + } else { + t->link.next = chain; + chain = &t->link; + } + if (type) + break; + } + } + if (g_timer_state == OZ_TIMER_IN_HANDLER) + restart_needed = 0; + else if (restart_needed) + g_timer_state = OZ_TIMER_IDLE; + spin_unlock(&g_polling_lock); + if (restart_needed) + oz_protocol_timer_start(); + while (release--) + oz_pd_put(pd); + while (chain) { + t = container_of(chain, struct oz_timer, link); + chain = chain->next; + kfree(t); + } +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_pd_request_heartbeat(struct oz_pd *pd) +{ + unsigned long now = jiffies; + unsigned long t; + spin_lock(&g_polling_lock); + if (pd->heartbeat_requested) { + spin_unlock(&g_polling_lock); + return; + } + if (pd->pulse_period_j) + t = ((now / pd->pulse_period_j) + 1) * pd->pulse_period_j; + else + t = now + 1; + pd->heartbeat_requested = 1; + spin_unlock(&g_polling_lock); + oz_timer_add(pd, OZ_TIMER_HEARTBEAT, t, 0); +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +struct oz_pd *oz_pd_find(u8 *mac_addr) +{ + struct oz_pd *pd; + struct list_head *e; + spin_lock_bh(&g_polling_lock); + list_for_each(e, &g_pd_list) { + pd = container_of(e, struct oz_pd, link); + if (memcmp(pd->mac_addr, mac_addr, ETH_ALEN) == 0) { + atomic_inc(&pd->ref_count); + spin_unlock_bh(&g_polling_lock); + return pd; + } + } + spin_unlock_bh(&g_polling_lock); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +void oz_app_enable(int app_id, int enable) +{ + if (app_id <= OZ_APPID_MAX) { + spin_lock_bh(&g_polling_lock); + if (enable) + g_apps |= (1<<app_id); + else + g_apps &= ~(1<<app_id); + spin_unlock_bh(&g_polling_lock); + } +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static int oz_pkt_recv(struct sk_buff *skb, struct net_device *dev, + struct packet_type *pt, struct net_device *orig_dev) +{ + oz_event_log(OZ_EVT_RX_FRAME, 0, 0, 0, 0); + skb = skb_share_check(skb, GFP_ATOMIC); + if (skb == 0) + return 0; + spin_lock_bh(&g_rx_queue.lock); + if (g_processing_rx) { + /* We already hold the lock so use __ variant. + */ + __skb_queue_head(&g_rx_queue, skb); + spin_unlock_bh(&g_rx_queue.lock); + } else { + g_processing_rx = 1; + do { + + spin_unlock_bh(&g_rx_queue.lock); + oz_rx_frame(skb); + spin_lock_bh(&g_rx_queue.lock); + if (skb_queue_empty(&g_rx_queue)) { + g_processing_rx = 0; + spin_unlock_bh(&g_rx_queue.lock); + break; + } + /* We already hold the lock so use __ variant. + */ + skb = __skb_dequeue(&g_rx_queue); + } while (1); + } + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +void oz_binding_add(char *net_dev) +{ + struct oz_binding *binding; + + binding = kmalloc(sizeof(struct oz_binding), GFP_ATOMIC); + if (binding) { + binding->ptype.type = __constant_htons(OZ_ETHERTYPE); + binding->ptype.func = oz_pkt_recv; + memcpy(binding->name, net_dev, OZ_MAX_BINDING_LEN); + if (net_dev && *net_dev) { + oz_trace("Adding binding: %s\n", net_dev); + binding->ptype.dev = + dev_get_by_name(&init_net, net_dev); + if (binding->ptype.dev == 0) { + oz_trace("Netdev %s not found\n", net_dev); + kfree(binding); + binding = 0; + } + } else { + oz_trace("Binding to all netcards\n"); + binding->ptype.dev = 0; + } + if (binding) { + dev_add_pack(&binding->ptype); + spin_lock_bh(&g_binding_lock); + binding->next = g_binding; + g_binding = binding; + spin_unlock_bh(&g_binding_lock); + } + } +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static int compare_binding_name(char *s1, char *s2) +{ + int i; + for (i = 0; i < OZ_MAX_BINDING_LEN; i++) { + if (*s1 != *s2) + return 0; + if (!*s1++) + return 1; + s2++; + } + return 1; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static void pd_stop_all_for_device(struct net_device *net_dev) +{ + struct list_head h; + struct oz_pd *pd; + struct oz_pd *n; + INIT_LIST_HEAD(&h); + spin_lock_bh(&g_polling_lock); + list_for_each_entry_safe(pd, n, &g_pd_list, link) { + if (pd->net_dev == net_dev) { + list_move(&pd->link, &h); + oz_pd_get(pd); + } + } + spin_unlock_bh(&g_polling_lock); + while (!list_empty(&h)) { + pd = list_first_entry(&h, struct oz_pd, link); + oz_pd_stop(pd); + oz_pd_put(pd); + } +} +/*------------------------------------------------------------------------------ + * Context: process + */ +void oz_binding_remove(char *net_dev) +{ + struct oz_binding *binding = 0; + struct oz_binding **link; + oz_trace("Removing binding: %s\n", net_dev); + spin_lock_bh(&g_binding_lock); + binding = g_binding; + link = &g_binding; + while (binding) { + if (compare_binding_name(binding->name, net_dev)) { + oz_trace("Binding '%s' found\n", net_dev); + *link = binding->next; + break; + } else { + link = &binding; + binding = binding->next; + } + } + spin_unlock_bh(&g_binding_lock); + if (binding) { + dev_remove_pack(&binding->ptype); + if (binding->ptype.dev) { + dev_put(binding->ptype.dev); + pd_stop_all_for_device(binding->ptype.dev); + } + kfree(binding); + } +} +/*------------------------------------------------------------------------------ + * Context: process + */ +static char *oz_get_next_device_name(char *s, char *dname, int max_size) +{ + while (*s == ',') + s++; + while (*s && (*s != ',') && max_size > 1) { + *dname++ = *s++; + max_size--; + } + *dname = 0; + return s; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +int oz_protocol_init(char *devs) +{ + skb_queue_head_init(&g_rx_queue); + if (devs && (devs[0] == '*')) { + oz_binding_add(0); + } else { + char d[32]; + while (*devs) { + devs = oz_get_next_device_name(devs, d, sizeof(d)); + if (d[0]) + oz_binding_add(d); + } + } + init_timer(&g_timer); + return 0; +} +/*------------------------------------------------------------------------------ + * Context: process + */ +int oz_get_pd_list(struct oz_mac_addr *addr, int max_count) +{ + struct oz_pd *pd; + struct list_head *e; + int count = 0; + spin_lock_bh(&g_polling_lock); + list_for_each(e, &g_pd_list) { + if (count >= max_count) + break; + pd = container_of(e, struct oz_pd, link); + memcpy(&addr[count++], pd->mac_addr, ETH_ALEN); + } + spin_unlock_bh(&g_polling_lock); + return count; +} +/*------------------------------------------------------------------------------ +*/ +void oz_polling_lock_bh(void) +{ + spin_lock_bh(&g_polling_lock); +} +/*------------------------------------------------------------------------------ +*/ +void oz_polling_unlock_bh(void) +{ + spin_unlock_bh(&g_polling_lock); +} diff --git a/drivers/staging/ozwpan/ozproto.h b/drivers/staging/ozwpan/ozproto.h new file mode 100644 index 00000000000..89aea28bd8d --- /dev/null +++ b/drivers/staging/ozwpan/ozproto.h @@ -0,0 +1,69 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#ifndef _OZPROTO_H +#define _OZPROTO_H + +#include <asm/byteorder.h> +#include "ozconfig.h" +#include "ozappif.h" + +#define OZ_ALLOCATED_SPACE(__x) (LL_RESERVED_SPACE(__x)+(__x)->needed_tailroom) + +/* Converts millisecs to jiffies. + */ +#define oz_ms_to_jiffies(__x) (((__x)*1000)/HZ) + +/* Quantum milliseconds. + */ +#define OZ_QUANTUM_MS 8 +/* Quantum jiffies + */ +#define OZ_QUANTUM_J (oz_ms_to_jiffies(OZ_QUANTUM_MS)) +/* Default timeouts. + */ +#define OZ_CONNECTION_TOUT_J (2*HZ) +#define OZ_PRESLEEP_TOUT_J (11*HZ) + +/* Maximun sizes of tx frames. */ +#define OZ_MAX_TX_SIZE 1514 + +/* Application handler functions. + */ +typedef int (*oz_app_init_fn_t)(void); +typedef void (*oz_app_term_fn_t)(void); +typedef int (*oz_app_start_fn_t)(struct oz_pd *pd, int resume); +typedef void (*oz_app_stop_fn_t)(struct oz_pd *pd, int pause); +typedef void (*oz_app_rx_fn_t)(struct oz_pd *pd, struct oz_elt *elt); +typedef int (*oz_app_hearbeat_fn_t)(struct oz_pd *pd); +typedef void (*oz_app_farewell_fn_t)(struct oz_pd *pd, u8 ep_num, + u8 *data, u8 len); + +struct oz_app_if { + oz_app_init_fn_t init; + oz_app_term_fn_t term; + oz_app_start_fn_t start; + oz_app_stop_fn_t stop; + oz_app_rx_fn_t rx; + oz_app_hearbeat_fn_t heartbeat; + oz_app_farewell_fn_t farewell; + int app_id; +}; + +int oz_protocol_init(char *devs); +void oz_protocol_term(void); +int oz_get_pd_list(struct oz_mac_addr *addr, int max_count); +void oz_app_enable(int app_id, int enable); +struct oz_pd *oz_pd_find(u8 *mac_addr); +void oz_binding_add(char *net_dev); +void oz_binding_remove(char *net_dev); +void oz_timer_add(struct oz_pd *pd, int type, unsigned long due_time, + int remove); +void oz_timer_delete(struct oz_pd *pd, int type); +void oz_pd_request_heartbeat(struct oz_pd *pd); +void oz_polling_lock_bh(void); +void oz_polling_unlock_bh(void); + +#endif /* _OZPROTO_H */ diff --git a/drivers/staging/ozwpan/ozprotocol.h b/drivers/staging/ozwpan/ozprotocol.h new file mode 100644 index 00000000000..b3e7d77f3ff --- /dev/null +++ b/drivers/staging/ozwpan/ozprotocol.h @@ -0,0 +1,372 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#ifndef _OZPROTOCOL_H +#define _OZPROTOCOL_H + +#define PACKED __packed + +#define OZ_ETHERTYPE 0x892e + +/* Status codes + */ +#define OZ_STATUS_SUCCESS 0 +#define OZ_STATUS_INVALID_PARAM 1 +#define OZ_STATUS_TOO_MANY_PDS 2 +#define OZ_STATUS_NOT_ALLOWED 4 +#define OZ_STATUS_SESSION_MISMATCH 5 +#define OZ_STATUS_SESSION_TEARDOWN 6 + +/* This is the generic element header. + Every element starts with this. + */ +struct oz_elt { + u8 type; + u8 length; +} PACKED; + +#define oz_next_elt(__elt) \ + (struct oz_elt *)((u8 *)((__elt) + 1) + (__elt)->length) + +/* Protocol element IDs. + */ +#define OZ_ELT_CONNECT_REQ 0x06 +#define OZ_ELT_CONNECT_RSP 0x07 +#define OZ_ELT_DISCONNECT 0x08 +#define OZ_ELT_UPDATE_PARAM_REQ 0x11 +#define OZ_ELT_FAREWELL_REQ 0x12 +#define OZ_ELT_APP_DATA 0x31 + +/* This is the Ozmo header which is the first Ozmo specific part + * of a frame and comes after the MAC header. + */ +struct oz_hdr { + u8 control; + u8 last_pkt_num; + u32 pkt_num; +} PACKED; + +#define OZ_PROTOCOL_VERSION 0x1 +/* Bits in the control field. */ +#define OZ_VERSION_MASK 0xc +#define OZ_VERSION_SHIFT 2 +#define OZ_F_ACK 0x10 +#define OZ_F_ISOC 0x20 +#define OZ_F_MORE_DATA 0x40 +#define OZ_F_ACK_REQUESTED 0x80 + +#define oz_get_prot_ver(__x) (((__x) & OZ_VERSION_MASK) >> OZ_VERSION_SHIFT) + +/* Used to select the bits of packet number to put in the last_pkt_num. + */ +#define OZ_LAST_PN_MASK 0x00ff + +#define OZ_LAST_PN_HALF_CYCLE 127 + +/* Connect request data structure. + */ +struct oz_elt_connect_req { + u8 mode; + u8 resv1[16]; + u8 pd_info; + u8 session_id; + u8 presleep; + u8 resv2; + u8 host_vendor; + u8 keep_alive; + u16 apps; + u8 max_len_div16; + u8 ms_per_isoc; + u8 resv3[2]; +} PACKED; + +/* mode field bits. + */ +#define OZ_MODE_POLLED 0x0 +#define OZ_MODE_TRIGGERED 0x1 +#define OZ_MODE_MASK 0xf +#define OZ_F_ISOC_NO_ELTS 0x40 +#define OZ_F_ISOC_ANYTIME 0x80 + +/* Keep alive field. + */ +#define OZ_KALIVE_TYPE_MASK 0xc0 +#define OZ_KALIVE_VALUE_MASK 0x3f +#define OZ_KALIVE_SPECIAL 0x00 +#define OZ_KALIVE_SECS 0x40 +#define OZ_KALIVE_MINS 0x80 +#define OZ_KALIVE_HOURS 0xc0 + +/* Connect response data structure. + */ +struct oz_elt_connect_rsp { + u8 mode; + u8 status; + u8 resv1[3]; + u8 session_id; + u16 apps; + u32 resv2; +} PACKED; + +struct oz_elt_farewell { + u8 ep_num; + u8 index; + u8 report[1]; +} PACKED; + +struct oz_elt_update_param { + u8 resv1[16]; + u8 presleep; + u8 resv2; + u8 host_vendor; + u8 keepalive; +} PACKED; + +/* Header common to all application elements. + */ +struct oz_app_hdr { + u8 app_id; + u8 elt_seq_num; +} PACKED; + +/* Values for app_id. + */ +#define OZ_APPID_USB 0x1 +#define OZ_APPID_UNUSED1 0x2 +#define OZ_APPID_UNUSED2 0x3 +#define OZ_APPID_SERIAL 0x4 +#define OZ_APPID_MAX OZ_APPID_SERIAL +#define OZ_NB_APPS (OZ_APPID_MAX+1) + +/* USB header common to all elements for the USB application. + * This header extends the oz_app_hdr and comes directly after + * the element header in a USB application. + */ +struct oz_usb_hdr { + u8 app_id; + u8 elt_seq_num; + u8 type; +} PACKED; + + + +/* USB requests element subtypes (type field of hs_usb_hdr). + */ +#define OZ_GET_DESC_REQ 1 +#define OZ_GET_DESC_RSP 2 +#define OZ_SET_CONFIG_REQ 3 +#define OZ_SET_CONFIG_RSP 4 +#define OZ_SET_INTERFACE_REQ 5 +#define OZ_SET_INTERFACE_RSP 6 +#define OZ_VENDOR_CLASS_REQ 7 +#define OZ_VENDOR_CLASS_RSP 8 +#define OZ_GET_STATUS_REQ 9 +#define OZ_GET_STATUS_RSP 10 +#define OZ_CLEAR_FEATURE_REQ 11 +#define OZ_CLEAR_FEATURE_RSP 12 +#define OZ_SET_FEATURE_REQ 13 +#define OZ_SET_FEATURE_RSP 14 +#define OZ_GET_CONFIGURATION_REQ 15 +#define OZ_GET_CONFIGURATION_RSP 16 +#define OZ_GET_INTERFACE_REQ 17 +#define OZ_GET_INTERFACE_RSP 18 +#define OZ_SYNCH_FRAME_REQ 19 +#define OZ_SYNCH_FRAME_RSP 20 +#define OZ_USB_ENDPOINT_DATA 23 + +#define OZ_REQD_D2H 0x80 + +struct oz_get_desc_req { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 req_id; + u16 offset; + u16 size; + u8 req_type; + u8 desc_type; + u16 w_index; + u8 index; +} PACKED; + +/* Values for desc_type field. +*/ +#define OZ_DESC_DEVICE 0x01 +#define OZ_DESC_CONFIG 0x02 +#define OZ_DESC_STRING 0x03 + +/* Values for req_type field. + */ +#define OZ_RECP_MASK 0x1F +#define OZ_RECP_DEVICE 0x00 +#define OZ_RECP_INTERFACE 0x01 +#define OZ_RECP_ENDPOINT 0x02 + +#define OZ_REQT_MASK 0x60 +#define OZ_REQT_STD 0x00 +#define OZ_REQT_CLASS 0x20 +#define OZ_REQT_VENDOR 0x40 + +struct oz_get_desc_rsp { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 req_id; + u16 offset; + u16 total_size; + u8 rcode; + u8 data[1]; +} PACKED; + +struct oz_feature_req { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 req_id; + u8 recipient; + u8 index; + u16 feature; +} PACKED; + +struct oz_feature_rsp { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 req_id; + u8 rcode; +} PACKED; + +struct oz_set_config_req { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 req_id; + u8 index; +} PACKED; + +struct oz_set_config_rsp { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 req_id; + u8 rcode; +} PACKED; + +struct oz_set_interface_req { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 req_id; + u8 index; + u8 alternative; +} PACKED; + +struct oz_set_interface_rsp { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 req_id; + u8 rcode; +} PACKED; + +struct oz_get_interface_req { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 req_id; + u8 index; +} PACKED; + +struct oz_get_interface_rsp { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 req_id; + u8 rcode; + u8 alternative; +} PACKED; + +struct oz_vendor_class_req { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 req_id; + u8 req_type; + u8 request; + u16 value; + u16 index; + u8 data[1]; +} PACKED; + +struct oz_vendor_class_rsp { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 req_id; + u8 rcode; + u8 data[1]; +} PACKED; + +struct oz_data { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 endpoint; + u8 format; +} PACKED; + +struct oz_isoc_fixed { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 endpoint; + u8 format; + u8 unit_size; + u8 frame_number; + u8 data[1]; +} PACKED; + +struct oz_multiple_fixed { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 endpoint; + u8 format; + u8 unit_size; + u8 data[1]; +} PACKED; + +struct oz_fragmented { + u8 app_id; + u8 elt_seq_num; + u8 type; + u8 endpoint; + u8 format; + u16 total_size; + u16 offset; + u8 data[1]; +} PACKED; + +/* Note: the following does not get packaged in an element in the same way + * that other data formats are packaged. Instead the data is put in a frame + * directly after the oz_header and is the only permitted data in such a + * frame. The length of the data is directly determined from the frame size. + */ +struct oz_isoc_large { + u8 endpoint; + u8 format; + u8 ms_data; + u8 frame_number; +} PACKED; + +#define OZ_DATA_F_TYPE_MASK 0xF +#define OZ_DATA_F_MULTIPLE_FIXED 0x1 +#define OZ_DATA_F_MULTIPLE_VAR 0x2 +#define OZ_DATA_F_ISOC_FIXED 0x3 +#define OZ_DATA_F_ISOC_VAR 0x4 +#define OZ_DATA_F_FRAGMENTED 0x5 +#define OZ_DATA_F_ISOC_LARGE 0x7 + +#endif /* _OZPROTOCOL_H */ diff --git a/drivers/staging/ozwpan/oztrace.c b/drivers/staging/ozwpan/oztrace.c new file mode 100644 index 00000000000..353ead24fd7 --- /dev/null +++ b/drivers/staging/ozwpan/oztrace.c @@ -0,0 +1,36 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#include "ozconfig.h" +#include "oztrace.h" + +#ifdef WANT_VERBOSE_TRACE +unsigned long trace_flags = + 0 +#ifdef WANT_TRACE_STREAM + | OZ_TRACE_STREAM +#endif /* WANT_TRACE_STREAM */ +#ifdef WANT_TRACE_URB + | OZ_TRACE_URB +#endif /* WANT_TRACE_URB */ + +#ifdef WANT_TRACE_CTRL_DETAIL + | OZ_TRACE_CTRL_DETAIL +#endif /* WANT_TRACE_CTRL_DETAIL */ + +#ifdef WANT_TRACE_HUB + | OZ_TRACE_HUB +#endif /* WANT_TRACE_HUB */ + +#ifdef WANT_TRACE_RX_FRAMES + | OZ_TRACE_RX_FRAMES +#endif /* WANT_TRACE_RX_FRAMES */ + +#ifdef WANT_TRACE_TX_FRAMES + | OZ_TRACE_TX_FRAMES +#endif /* WANT_TRACE_TX_FRAMES */ + ; +#endif /* WANT_VERBOSE_TRACE */ + diff --git a/drivers/staging/ozwpan/oztrace.h b/drivers/staging/ozwpan/oztrace.h new file mode 100644 index 00000000000..8293b24c5a7 --- /dev/null +++ b/drivers/staging/ozwpan/oztrace.h @@ -0,0 +1,35 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#ifndef _OZTRACE_H_ +#define _OZTRACE_H_ +#include "ozconfig.h" + +#define TRACE_PREFIX KERN_ALERT "OZWPAN: " + +#ifdef WANT_TRACE +#define oz_trace(...) printk(TRACE_PREFIX __VA_ARGS__) +#ifdef WANT_VERBOSE_TRACE +extern unsigned long trace_flags; +#define oz_trace2(_flag, ...) \ + do { if (trace_flags & _flag) printk(TRACE_PREFIX __VA_ARGS__); \ + } while (0) +#else +#define oz_trace2(...) +#endif /* #ifdef WANT_VERBOSE_TRACE */ +#else +#define oz_trace(...) +#define oz_trace2(...) +#endif /* #ifdef WANT_TRACE */ + +#define OZ_TRACE_STREAM 0x1 +#define OZ_TRACE_URB 0x2 +#define OZ_TRACE_CTRL_DETAIL 0x4 +#define OZ_TRACE_HUB 0x8 +#define OZ_TRACE_RX_FRAMES 0x10 +#define OZ_TRACE_TX_FRAMES 0x20 + +#endif /* Sentry */ + diff --git a/drivers/staging/ozwpan/ozurbparanoia.c b/drivers/staging/ozwpan/ozurbparanoia.c new file mode 100644 index 00000000000..55b9afbbe47 --- /dev/null +++ b/drivers/staging/ozwpan/ozurbparanoia.c @@ -0,0 +1,53 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#include <linux/usb.h> +#include "ozconfig.h" +#ifdef WANT_URB_PARANOIA +#include "ozurbparanoia.h" +#include "oztrace.h" +/*----------------------------------------------------------------------------- + */ +#define OZ_MAX_URBS 1000 +struct urb *g_urb_memory[OZ_MAX_URBS]; +int g_nb_urbs; +DEFINE_SPINLOCK(g_urb_mem_lock); +/*----------------------------------------------------------------------------- + */ +void oz_remember_urb(struct urb *urb) +{ + unsigned long irq_state; + spin_lock_irqsave(&g_urb_mem_lock, irq_state); + if (g_nb_urbs < OZ_MAX_URBS) { + g_urb_memory[g_nb_urbs++] = urb; + oz_trace("%lu: urb up = %d %p\n", jiffies, g_nb_urbs, urb); + } else { + oz_trace("ERROR urb buffer full\n"); + } + spin_unlock_irqrestore(&g_urb_mem_lock, irq_state); +} +/*------------------------------------------------------------------------------ + */ +int oz_forget_urb(struct urb *urb) +{ + unsigned long irq_state; + int i; + int rc = -1; + spin_lock_irqsave(&g_urb_mem_lock, irq_state); + for (i = 0; i < g_nb_urbs; i++) { + if (g_urb_memory[i] == urb) { + rc = 0; + if (--g_nb_urbs > i) + memcpy(&g_urb_memory[i], &g_urb_memory[i+1], + (g_nb_urbs - i) * sizeof(struct urb *)); + oz_trace("%lu: urb down = %d %p\n", + jiffies, g_nb_urbs, urb); + } + } + spin_unlock_irqrestore(&g_urb_mem_lock, irq_state); + return rc; +} +#endif /* #ifdef WANT_URB_PARANOIA */ + diff --git a/drivers/staging/ozwpan/ozurbparanoia.h b/drivers/staging/ozwpan/ozurbparanoia.h new file mode 100644 index 00000000000..00f5a3a81bc --- /dev/null +++ b/drivers/staging/ozwpan/ozurbparanoia.h @@ -0,0 +1,19 @@ +#ifndef _OZURBPARANOIA_H +#define _OZURBPARANOIA_H +/* ----------------------------------------------------------------------------- + * Released under the GNU General Public License Version 2 (GPLv2). + * Copyright (c) 2011 Ozmo Inc + * ----------------------------------------------------------------------------- + */ + +#ifdef WANT_URB_PARANOIA +void oz_remember_urb(struct urb *urb); +int oz_forget_urb(struct urb *urb); +#else +#define oz_remember_urb(__x) +#define oz_forget_urb(__x) 0 +#endif /* WANT_URB_PARANOIA */ + + +#endif /* _OZURBPARANOIA_H */ + diff --git a/drivers/staging/ozwpan/ozusbif.h b/drivers/staging/ozwpan/ozusbif.h new file mode 100644 index 00000000000..3acf5980d7c --- /dev/null +++ b/drivers/staging/ozwpan/ozusbif.h @@ -0,0 +1,43 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#ifndef _OZUSBIF_H +#define _OZUSBIF_H + +#include <linux/usb.h> + +/* Reference counting functions. + */ +void oz_usb_get(void *hpd); +void oz_usb_put(void *hpd); + +/* Stream functions. + */ +int oz_usb_stream_create(void *hpd, u8 ep_num); +int oz_usb_stream_delete(void *hpd, u8 ep_num); + +/* Request functions. + */ +int oz_usb_control_req(void *hpd, u8 req_id, struct usb_ctrlrequest *setup, + u8 *data, int data_len); +int oz_usb_get_desc_req(void *hpd, u8 req_id, u8 req_type, u8 desc_type, + u8 index, u16 windex, int offset, int len); +int oz_usb_send_isoc(void *hpd, u8 ep_num, struct urb *urb); +void oz_usb_request_heartbeat(void *hpd); + +/* Confirmation functions. + */ +void oz_hcd_get_desc_cnf(void *hport, u8 req_id, int status, + u8 *desc, int length, int offset, int total_size); +void oz_hcd_control_cnf(void *hport, u8 req_id, u8 rcode, + u8 *data, int data_len); + +/* Indication functions. + */ +void oz_hcd_data_ind(void *hport, u8 endpoint, u8 *data, int data_len); + +int oz_hcd_heartbeat(void *hport); + +#endif /* _OZUSBIF_H */ diff --git a/drivers/staging/ozwpan/ozusbsvc.c b/drivers/staging/ozwpan/ozusbsvc.c new file mode 100644 index 00000000000..9e74f960238 --- /dev/null +++ b/drivers/staging/ozwpan/ozusbsvc.c @@ -0,0 +1,245 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * + * This file provides protocol independent part of the implementation of the USB + * service for a PD. + * The implementation of this service is split into two parts the first of which + * is protocol independent and the second contains protocol specific details. + * This split is to allow alternative protocols to be defined. + * The implemenation of this service uses ozhcd.c to implement a USB HCD. + * ----------------------------------------------------------------------------- + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/timer.h> +#include <linux/sched.h> +#include <linux/netdevice.h> +#include <linux/errno.h> +#include <linux/input.h> +#include <asm/unaligned.h> +#include "ozconfig.h" +#include "ozprotocol.h" +#include "ozeltbuf.h" +#include "ozpd.h" +#include "ozproto.h" +#include "ozusbif.h" +#include "ozhcd.h" +#include "oztrace.h" +#include "ozusbsvc.h" +#include "ozevent.h" +/*------------------------------------------------------------------------------ + * This is called once when the driver is loaded to initialise the USB service. + * Context: process + */ +int oz_usb_init(void) +{ + oz_event_log(OZ_EVT_SERVICE, 1, OZ_APPID_USB, 0, 0); + return oz_hcd_init(); +} +/*------------------------------------------------------------------------------ + * This is called once when the driver is unloaded to terminate the USB service. + * Context: process + */ +void oz_usb_term(void) +{ + oz_event_log(OZ_EVT_SERVICE, 2, OZ_APPID_USB, 0, 0); + oz_hcd_term(); +} +/*------------------------------------------------------------------------------ + * This is called when the USB service is started or resumed for a PD. + * Context: softirq + */ +int oz_usb_start(struct oz_pd *pd, int resume) +{ + int rc = 0; + struct oz_usb_ctx *usb_ctx; + struct oz_usb_ctx *old_ctx = 0; + oz_event_log(OZ_EVT_SERVICE, 3, OZ_APPID_USB, 0, resume); + if (resume) { + oz_trace("USB service resumed.\n"); + return 0; + } + oz_trace("USB service started.\n"); + /* Create a USB context in case we need one. If we find the PD already + * has a USB context then we will destroy it. + */ + usb_ctx = kzalloc(sizeof(struct oz_usb_ctx), GFP_ATOMIC); + if (usb_ctx == 0) + return -ENOMEM; + atomic_set(&usb_ctx->ref_count, 1); + usb_ctx->pd = pd; + usb_ctx->stopped = 0; + /* Install the USB context if the PD doesn't already have one. + * If it does already have one then destroy the one we have just + * created. + */ + spin_lock_bh(&pd->app_lock[OZ_APPID_USB-1]); + old_ctx = pd->app_ctx[OZ_APPID_USB-1]; + if (old_ctx == 0) + pd->app_ctx[OZ_APPID_USB-1] = usb_ctx; + oz_usb_get(pd->app_ctx[OZ_APPID_USB-1]); + spin_unlock_bh(&pd->app_lock[OZ_APPID_USB-1]); + if (old_ctx) { + oz_trace("Already have USB context.\n"); + kfree(usb_ctx); + usb_ctx = old_ctx; + } else if (usb_ctx) { + /* Take a reference to the PD. This will be released when + * the USB context is destroyed. + */ + oz_pd_get(pd); + } + /* If we already had a USB context and had obtained a port from + * the USB HCD then just reset the port. If we didn't have a port + * then report the arrival to the USB HCD so we get one. + */ + if (usb_ctx->hport) { + oz_hcd_pd_reset(usb_ctx, usb_ctx->hport); + } else { + usb_ctx->hport = oz_hcd_pd_arrived(usb_ctx); + if (usb_ctx->hport == 0) { + oz_trace("USB hub returned null port.\n"); + spin_lock_bh(&pd->app_lock[OZ_APPID_USB-1]); + pd->app_ctx[OZ_APPID_USB-1] = 0; + spin_unlock_bh(&pd->app_lock[OZ_APPID_USB-1]); + oz_usb_put(usb_ctx); + rc = -1; + } + } + oz_usb_put(usb_ctx); + return rc; +} +/*------------------------------------------------------------------------------ + * This is called when the USB service is stopped or paused for a PD. + * Context: softirq or process + */ +void oz_usb_stop(struct oz_pd *pd, int pause) +{ + struct oz_usb_ctx *usb_ctx; + oz_event_log(OZ_EVT_SERVICE, 4, OZ_APPID_USB, 0, pause); + if (pause) { + oz_trace("USB service paused.\n"); + return; + } + spin_lock_bh(&pd->app_lock[OZ_APPID_USB-1]); + usb_ctx = (struct oz_usb_ctx *)pd->app_ctx[OZ_APPID_USB-1]; + pd->app_ctx[OZ_APPID_USB-1] = 0; + spin_unlock_bh(&pd->app_lock[OZ_APPID_USB-1]); + if (usb_ctx) { + unsigned long tout = jiffies + HZ; + oz_trace("USB service stopping...\n"); + usb_ctx->stopped = 1; + /* At this point the reference count on the usb context should + * be 2 - one from when we created it and one from the hcd + * which claims a reference. Since stopped = 1 no one else + * should get in but someone may already be in. So wait + * until they leave but timeout after 1 second. + */ + while ((atomic_read(&usb_ctx->ref_count) > 2) && + time_before(jiffies, tout)) + ; + oz_trace("USB service stopped.\n"); + oz_hcd_pd_departed(usb_ctx->hport); + /* Release the reference taken in oz_usb_start. + */ + oz_usb_put(usb_ctx); + } +} +/*------------------------------------------------------------------------------ + * This increments the reference count of the context area for a specific PD. + * This ensures this context area does not disappear while still in use. + * Context: softirq + */ +void oz_usb_get(void *hpd) +{ + struct oz_usb_ctx *usb_ctx = (struct oz_usb_ctx *)hpd; + atomic_inc(&usb_ctx->ref_count); +} +/*------------------------------------------------------------------------------ + * This decrements the reference count of the context area for a specific PD + * and destroys the context area if the reference count becomes zero. + * Context: softirq or process + */ +void oz_usb_put(void *hpd) +{ + struct oz_usb_ctx *usb_ctx = (struct oz_usb_ctx *)hpd; + if (atomic_dec_and_test(&usb_ctx->ref_count)) { + oz_trace("Dealloc USB context.\n"); + oz_pd_put(usb_ctx->pd); + kfree(usb_ctx); + } +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +int oz_usb_heartbeat(struct oz_pd *pd) +{ + struct oz_usb_ctx *usb_ctx; + int rc = 0; + spin_lock_bh(&pd->app_lock[OZ_APPID_USB-1]); + usb_ctx = (struct oz_usb_ctx *)pd->app_ctx[OZ_APPID_USB-1]; + if (usb_ctx) + oz_usb_get(usb_ctx); + spin_unlock_bh(&pd->app_lock[OZ_APPID_USB-1]); + if (usb_ctx == 0) + return rc; + if (usb_ctx->stopped) + goto done; + if (usb_ctx->hport) + if (oz_hcd_heartbeat(usb_ctx->hport)) + rc = 1; +done: + oz_usb_put(usb_ctx); + return rc; +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +int oz_usb_stream_create(void *hpd, u8 ep_num) +{ + struct oz_usb_ctx *usb_ctx = (struct oz_usb_ctx *)hpd; + struct oz_pd *pd = usb_ctx->pd; + oz_trace("oz_usb_stream_create(0x%x)\n", ep_num); + if (pd->mode & OZ_F_ISOC_NO_ELTS) { + oz_isoc_stream_create(pd, ep_num); + } else { + oz_pd_get(pd); + if (oz_elt_stream_create(&pd->elt_buff, ep_num, + 4*pd->max_tx_size)) { + oz_pd_put(pd); + return -1; + } + } + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +int oz_usb_stream_delete(void *hpd, u8 ep_num) +{ + struct oz_usb_ctx *usb_ctx = (struct oz_usb_ctx *)hpd; + if (usb_ctx) { + struct oz_pd *pd = usb_ctx->pd; + if (pd) { + oz_trace("oz_usb_stream_delete(0x%x)\n", ep_num); + if (pd->mode & OZ_F_ISOC_NO_ELTS) { + oz_isoc_stream_delete(pd, ep_num); + } else { + if (oz_elt_stream_delete(&pd->elt_buff, ep_num)) + return -1; + oz_pd_put(pd); + } + } + } + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq or process + */ +void oz_usb_request_heartbeat(void *hpd) +{ + struct oz_usb_ctx *usb_ctx = (struct oz_usb_ctx *)hpd; + if (usb_ctx && usb_ctx->pd) + oz_pd_request_heartbeat(usb_ctx->pd); +} diff --git a/drivers/staging/ozwpan/ozusbsvc.h b/drivers/staging/ozwpan/ozusbsvc.h new file mode 100644 index 00000000000..58e05a59be3 --- /dev/null +++ b/drivers/staging/ozwpan/ozusbsvc.h @@ -0,0 +1,32 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * ----------------------------------------------------------------------------- + */ +#ifndef _OZUSBSVC_H +#define _OZUSBSVC_H + +/*------------------------------------------------------------------------------ + * Per PD context info stored in application context area of PD. + * This object is reference counted to ensure it doesn't disappear while + * still in use. + */ +struct oz_usb_ctx { + atomic_t ref_count; + u8 tx_seq_num; + u8 rx_seq_num; + struct oz_pd *pd; + void *hport; + int stopped; +}; + +int oz_usb_init(void); +void oz_usb_term(void); +int oz_usb_start(struct oz_pd *pd, int resume); +void oz_usb_stop(struct oz_pd *pd, int pause); +void oz_usb_rx(struct oz_pd *pd, struct oz_elt *elt); +int oz_usb_heartbeat(struct oz_pd *pd); +void oz_usb_farewell(struct oz_pd *pd, u8 ep_num, u8 *data, u8 len); + +#endif /* _OZUSBSVC_H */ + diff --git a/drivers/staging/ozwpan/ozusbsvc1.c b/drivers/staging/ozwpan/ozusbsvc1.c new file mode 100644 index 00000000000..66bd576bb5e --- /dev/null +++ b/drivers/staging/ozwpan/ozusbsvc1.c @@ -0,0 +1,437 @@ +/* ----------------------------------------------------------------------------- + * Copyright (c) 2011 Ozmo Inc + * Released under the GNU General Public License Version 2 (GPLv2). + * + * This file implements the protocol specific parts of the USB service for a PD. + * ----------------------------------------------------------------------------- + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/timer.h> +#include <linux/sched.h> +#include <linux/netdevice.h> +#include <linux/errno.h> +#include <linux/input.h> +#include <asm/unaligned.h> +#include "ozconfig.h" +#include "ozprotocol.h" +#include "ozeltbuf.h" +#include "ozpd.h" +#include "ozproto.h" +#include "ozusbif.h" +#include "ozhcd.h" +#include "oztrace.h" +#include "ozusbsvc.h" +#include "ozevent.h" +/*------------------------------------------------------------------------------ + */ +#define MAX_ISOC_FIXED_DATA (253-sizeof(struct oz_isoc_fixed)) +/*------------------------------------------------------------------------------ + * Context: softirq + */ +static int oz_usb_submit_elt(struct oz_elt_buf *eb, struct oz_elt_info *ei, + struct oz_usb_ctx *usb_ctx, u8 strid, u8 isoc) +{ + int ret; + struct oz_elt *elt = (struct oz_elt *)ei->data; + struct oz_app_hdr *app_hdr = (struct oz_app_hdr *)(elt+1); + elt->type = OZ_ELT_APP_DATA; + ei->app_id = OZ_APPID_USB; + ei->length = elt->length + sizeof(struct oz_elt); + app_hdr->app_id = OZ_APPID_USB; + spin_lock_bh(&eb->lock); + if (isoc == 0) { + app_hdr->elt_seq_num = usb_ctx->tx_seq_num++; + if (usb_ctx->tx_seq_num == 0) + usb_ctx->tx_seq_num = 1; + } + ret = oz_queue_elt_info(eb, isoc, strid, ei); + if (ret) + oz_elt_info_free(eb, ei); + spin_unlock_bh(&eb->lock); + return ret; +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +int oz_usb_get_desc_req(void *hpd, u8 req_id, u8 req_type, u8 desc_type, + u8 index, u16 windex, int offset, int len) +{ + struct oz_usb_ctx *usb_ctx = (struct oz_usb_ctx *)hpd; + struct oz_pd *pd = usb_ctx->pd; + struct oz_elt *elt; + struct oz_get_desc_req *body; + struct oz_elt_buf *eb = &pd->elt_buff; + struct oz_elt_info *ei = oz_elt_info_alloc(&pd->elt_buff); + oz_trace(" req_type = 0x%x\n", req_type); + oz_trace(" desc_type = 0x%x\n", desc_type); + oz_trace(" index = 0x%x\n", index); + oz_trace(" windex = 0x%x\n", windex); + oz_trace(" offset = 0x%x\n", offset); + oz_trace(" len = 0x%x\n", len); + if (len > 200) + len = 200; + if (ei == 0) + return -1; + elt = (struct oz_elt *)ei->data; + elt->length = sizeof(struct oz_get_desc_req); + body = (struct oz_get_desc_req *)(elt+1); + body->type = OZ_GET_DESC_REQ; + body->req_id = req_id; + put_unaligned(cpu_to_le16(offset), &body->offset); + put_unaligned(cpu_to_le16(len), &body->size); + body->req_type = req_type; + body->desc_type = desc_type; + body->w_index = windex; + body->index = index; + return oz_usb_submit_elt(eb, ei, usb_ctx, 0, 0); +} +/*------------------------------------------------------------------------------ + * Context: tasklet + */ +static int oz_usb_set_config_req(void *hpd, u8 req_id, u8 index) +{ + struct oz_usb_ctx *usb_ctx = (struct oz_usb_ctx *)hpd; + struct oz_pd *pd = usb_ctx->pd; + struct oz_elt *elt; + struct oz_elt_buf *eb = &pd->elt_buff; + struct oz_elt_info *ei = oz_elt_info_alloc(&pd->elt_buff); + struct oz_set_config_req *body; + if (ei == 0) + return -1; + elt = (struct oz_elt *)ei->data; + elt->length = sizeof(struct oz_set_config_req); + body = (struct oz_set_config_req *)(elt+1); + body->type = OZ_SET_CONFIG_REQ; + body->req_id = req_id; + body->index = index; + return oz_usb_submit_elt(eb, ei, usb_ctx, 0, 0); +} +/*------------------------------------------------------------------------------ + * Context: tasklet + */ +static int oz_usb_set_interface_req(void *hpd, u8 req_id, u8 index, u8 alt) +{ + struct oz_usb_ctx *usb_ctx = (struct oz_usb_ctx *)hpd; + struct oz_pd *pd = usb_ctx->pd; + struct oz_elt *elt; + struct oz_elt_buf *eb = &pd->elt_buff; + struct oz_elt_info *ei = oz_elt_info_alloc(&pd->elt_buff); + struct oz_set_interface_req *body; + if (ei == 0) + return -1; + elt = (struct oz_elt *)ei->data; + elt->length = sizeof(struct oz_set_interface_req); + body = (struct oz_set_interface_req *)(elt+1); + body->type = OZ_SET_INTERFACE_REQ; + body->req_id = req_id; + body->index = index; + body->alternative = alt; + return oz_usb_submit_elt(eb, ei, usb_ctx, 0, 0); +} +/*------------------------------------------------------------------------------ + * Context: tasklet + */ +static int oz_usb_set_clear_feature_req(void *hpd, u8 req_id, u8 type, + u8 recipient, u8 index, __le16 feature) +{ + struct oz_usb_ctx *usb_ctx = (struct oz_usb_ctx *)hpd; + struct oz_pd *pd = usb_ctx->pd; + struct oz_elt *elt; + struct oz_elt_buf *eb = &pd->elt_buff; + struct oz_elt_info *ei = oz_elt_info_alloc(&pd->elt_buff); + struct oz_feature_req *body; + if (ei == 0) + return -1; + elt = (struct oz_elt *)ei->data; + elt->length = sizeof(struct oz_feature_req); + body = (struct oz_feature_req *)(elt+1); + body->type = type; + body->req_id = req_id; + body->recipient = recipient; + body->index = index; + put_unaligned(feature, &body->feature); + return oz_usb_submit_elt(eb, ei, usb_ctx, 0, 0); +} +/*------------------------------------------------------------------------------ + * Context: tasklet + */ +static int oz_usb_vendor_class_req(void *hpd, u8 req_id, u8 req_type, + u8 request, __le16 value, __le16 index, u8 *data, int data_len) +{ + struct oz_usb_ctx *usb_ctx = (struct oz_usb_ctx *)hpd; + struct oz_pd *pd = usb_ctx->pd; + struct oz_elt *elt; + struct oz_elt_buf *eb = &pd->elt_buff; + struct oz_elt_info *ei = oz_elt_info_alloc(&pd->elt_buff); + struct oz_vendor_class_req *body; + if (ei == 0) + return -1; + elt = (struct oz_elt *)ei->data; + elt->length = sizeof(struct oz_vendor_class_req) - 1 + data_len; + body = (struct oz_vendor_class_req *)(elt+1); + body->type = OZ_VENDOR_CLASS_REQ; + body->req_id = req_id; + body->req_type = req_type; + body->request = request; + put_unaligned(value, &body->value); + put_unaligned(index, &body->index); + if (data_len) + memcpy(body->data, data, data_len); + return oz_usb_submit_elt(eb, ei, usb_ctx, 0, 0); +} +/*------------------------------------------------------------------------------ + * Context: tasklet + */ +int oz_usb_control_req(void *hpd, u8 req_id, struct usb_ctrlrequest *setup, + u8 *data, int data_len) +{ + unsigned wvalue = le16_to_cpu(setup->wValue); + unsigned windex = le16_to_cpu(setup->wIndex); + unsigned wlength = le16_to_cpu(setup->wLength); + int rc = 0; + oz_event_log(OZ_EVT_CTRL_REQ, setup->bRequest, req_id, + (void *)(((unsigned long)(setup->wValue))<<16 | + ((unsigned long)setup->wIndex)), + setup->bRequestType); + if ((setup->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) { + switch (setup->bRequest) { + case USB_REQ_GET_DESCRIPTOR: + rc = oz_usb_get_desc_req(hpd, req_id, + setup->bRequestType, (u8)(wvalue>>8), + (u8)wvalue, setup->wIndex, 0, wlength); + break; + case USB_REQ_SET_CONFIGURATION: + rc = oz_usb_set_config_req(hpd, req_id, (u8)wvalue); + break; + case USB_REQ_SET_INTERFACE: { + u8 if_num = (u8)windex; + u8 alt = (u8)wvalue; + rc = oz_usb_set_interface_req(hpd, req_id, + if_num, alt); + } + break; + case USB_REQ_SET_FEATURE: + rc = oz_usb_set_clear_feature_req(hpd, req_id, + OZ_SET_FEATURE_REQ, + setup->bRequestType & 0xf, (u8)windex, + setup->wValue); + break; + case USB_REQ_CLEAR_FEATURE: + rc = oz_usb_set_clear_feature_req(hpd, req_id, + OZ_CLEAR_FEATURE_REQ, + setup->bRequestType & 0xf, + (u8)windex, setup->wValue); + break; + } + } else { + rc = oz_usb_vendor_class_req(hpd, req_id, setup->bRequestType, + setup->bRequest, setup->wValue, setup->wIndex, + data, data_len); + } + return rc; +} +/*------------------------------------------------------------------------------ + * Context: softirq + */ +int oz_usb_send_isoc(void *hpd, u8 ep_num, struct urb *urb) +{ + struct oz_usb_ctx *usb_ctx = (struct oz_usb_ctx *)hpd; + struct oz_pd *pd = usb_ctx->pd; + struct oz_elt_buf *eb; + int i; + int hdr_size; + u8 *data; + struct usb_iso_packet_descriptor *desc; + + if (pd->mode & OZ_F_ISOC_NO_ELTS) { + for (i = 0; i < urb->number_of_packets; i++) { + u8 *data; + desc = &urb->iso_frame_desc[i]; + data = ((u8 *)urb->transfer_buffer)+desc->offset; + oz_send_isoc_unit(pd, ep_num, data, desc->length); + } + return 0; + } + + hdr_size = sizeof(struct oz_isoc_fixed) - 1; + eb = &pd->elt_buff; + i = 0; + while (i < urb->number_of_packets) { + struct oz_elt_info *ei = oz_elt_info_alloc(eb); + struct oz_elt *elt; + struct oz_isoc_fixed *body; + int unit_count; + int unit_size; + int rem; + if (ei == 0) + return -1; + rem = MAX_ISOC_FIXED_DATA; + elt = (struct oz_elt *)ei->data; + body = (struct oz_isoc_fixed *)(elt + 1); + body->type = OZ_USB_ENDPOINT_DATA; + body->endpoint = ep_num; + body->format = OZ_DATA_F_ISOC_FIXED; + unit_size = urb->iso_frame_desc[i].length; + body->unit_size = (u8)unit_size; + data = ((u8 *)(elt+1)) + hdr_size; + unit_count = 0; + while (i < urb->number_of_packets) { + desc = &urb->iso_frame_desc[i]; + if ((unit_size == desc->length) && + (desc->length <= rem)) { + memcpy(data, ((u8 *)urb->transfer_buffer) + + desc->offset, unit_size); + data += unit_size; + rem -= unit_size; + unit_count++; + desc->status = 0; + desc->actual_length = desc->length; + i++; + } else { + break; + } + } + elt->length = hdr_size + MAX_ISOC_FIXED_DATA - rem; + /* Store the number of units in body->frame_number for the + * moment. This field will be correctly determined before + * the element is sent. */ + body->frame_number = (u8)unit_count; + oz_usb_submit_elt(eb, ei, usb_ctx, ep_num, + pd->mode & OZ_F_ISOC_ANYTIME); + } + return 0; +} +/*------------------------------------------------------------------------------ + * Context: softirq-serialized + */ +void oz_usb_handle_ep_data(struct oz_usb_ctx *usb_ctx, + struct oz_usb_hdr *usb_hdr, int len) +{ + struct oz_data *data_hdr = (struct oz_data *)usb_hdr; + switch (data_hdr->format) { + case OZ_DATA_F_MULTIPLE_FIXED: { + struct oz_multiple_fixed *body = + (struct oz_multiple_fixed *)data_hdr; + u8 *data = body->data; + int n = (len - sizeof(struct oz_multiple_fixed)+1) + / body->unit_size; + while (n--) { + oz_hcd_data_ind(usb_ctx->hport, body->endpoint, + data, body->unit_size); + data += body->unit_size; + } + } + break; + case OZ_DATA_F_ISOC_FIXED: { + struct oz_isoc_fixed *body = + (struct oz_isoc_fixed *)data_hdr; + int data_len = len-sizeof(struct oz_isoc_fixed)+1; + int unit_size = body->unit_size; + u8 *data = body->data; + int count; + int i; + if (!unit_size) + break; + count = data_len/unit_size; + for (i = 0; i < count; i++) { + oz_hcd_data_ind(usb_ctx->hport, + body->endpoint, data, unit_size); + data += unit_size; + } + } + break; + } + +} +/*------------------------------------------------------------------------------ + * This is called when the PD has received a USB element. The type of element + * is determined and is then passed to an appropriate handler function. + * Context: softirq-serialized + */ +void oz_usb_rx(struct oz_pd *pd, struct oz_elt *elt) +{ + struct oz_usb_hdr *usb_hdr = (struct oz_usb_hdr *)(elt + 1); + struct oz_usb_ctx *usb_ctx; + + spin_lock_bh(&pd->app_lock[OZ_APPID_USB-1]); + usb_ctx = (struct oz_usb_ctx *)pd->app_ctx[OZ_APPID_USB-1]; + if (usb_ctx) + oz_usb_get(usb_ctx); + spin_unlock_bh(&pd->app_lock[OZ_APPID_USB-1]); + if (usb_ctx == 0) + return; /* Context has gone so nothing to do. */ + if (usb_ctx->stopped) + goto done; + /* If sequence number is non-zero then check it is not a duplicate. + * Zero sequence numbers are always accepted. + */ + if (usb_hdr->elt_seq_num != 0) { + if (((usb_ctx->rx_seq_num - usb_hdr->elt_seq_num) & 0x80) == 0) + /* Reject duplicate element. */ + goto done; + } + usb_ctx->rx_seq_num = usb_hdr->elt_seq_num; + switch (usb_hdr->type) { + case OZ_GET_DESC_RSP: { + struct oz_get_desc_rsp *body = + (struct oz_get_desc_rsp *)usb_hdr; + int data_len = elt->length - + sizeof(struct oz_get_desc_rsp) + 1; + u16 offs = le16_to_cpu(get_unaligned(&body->offset)); + u16 total_size = + le16_to_cpu(get_unaligned(&body->total_size)); + oz_trace("USB_REQ_GET_DESCRIPTOR - cnf\n"); + oz_hcd_get_desc_cnf(usb_ctx->hport, body->req_id, + body->rcode, body->data, + data_len, offs, total_size); + } + break; + case OZ_SET_CONFIG_RSP: { + struct oz_set_config_rsp *body = + (struct oz_set_config_rsp *)usb_hdr; + oz_hcd_control_cnf(usb_ctx->hport, body->req_id, + body->rcode, 0, 0); + } + break; + case OZ_SET_INTERFACE_RSP: { + struct oz_set_interface_rsp *body = + (struct oz_set_interface_rsp *)usb_hdr; + oz_hcd_control_cnf(usb_ctx->hport, + body->req_id, body->rcode, 0, 0); + } + break; + case OZ_VENDOR_CLASS_RSP: { + struct oz_vendor_class_rsp *body = + (struct oz_vendor_class_rsp *)usb_hdr; + oz_hcd_control_cnf(usb_ctx->hport, body->req_id, + body->rcode, body->data, elt->length- + sizeof(struct oz_vendor_class_rsp)+1); + } + break; + case OZ_USB_ENDPOINT_DATA: + oz_usb_handle_ep_data(usb_ctx, usb_hdr, elt->length); + break; + } +done: + oz_usb_put(usb_ctx); +} +/*------------------------------------------------------------------------------ + * Context: softirq, process + */ +void oz_usb_farewell(struct oz_pd *pd, u8 ep_num, u8 *data, u8 len) +{ + struct oz_usb_ctx *usb_ctx; + spin_lock_bh(&pd->app_lock[OZ_APPID_USB-1]); + usb_ctx = (struct oz_usb_ctx *)pd->app_ctx[OZ_APPID_USB-1]; + if (usb_ctx) + oz_usb_get(usb_ctx); + spin_unlock_bh(&pd->app_lock[OZ_APPID_USB-1]); + if (usb_ctx == 0) + return; /* Context has gone so nothing to do. */ + if (!usb_ctx->stopped) { + oz_trace("Farewell indicated ep = 0x%x\n", ep_num); + oz_hcd_data_ind(usb_ctx->hport, ep_num, data, len); + } + oz_usb_put(usb_ctx); +} diff --git a/drivers/staging/quickstart/quickstart.c b/drivers/staging/quickstart/quickstart.c index c60911c6ab3..cac32073814 100644 --- a/drivers/staging/quickstart/quickstart.c +++ b/drivers/staging/quickstart/quickstart.c @@ -4,7 +4,7 @@ * * Copyright (C) 2007-2010 Angelo Arrifano <miknix@gmail.com> * - * Information gathered from disassebled dsdt and from here: + * Information gathered from disassembled dsdt and from here: * <http://www.microsoft.com/whdc/system/platform/firmware/DirAppLaunch.mspx> * * This program is free software; you can redistribute it and/or modify @@ -23,7 +23,9 @@ * */ -#define QUICKSTART_VERSION "1.03" +#define QUICKSTART_VERSION "1.04" + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/kernel.h> #include <linux/module.h> @@ -37,118 +39,73 @@ MODULE_AUTHOR("Angelo Arrifano"); MODULE_DESCRIPTION("ACPI Direct App Launch driver"); MODULE_LICENSE("GPL"); -#define QUICKSTART_ACPI_DEVICE_NAME "quickstart" -#define QUICKSTART_ACPI_CLASS "quickstart" -#define QUICKSTART_ACPI_HID "PNP0C32" - -#define QUICKSTART_PF_DRIVER_NAME "quickstart" -#define QUICKSTART_PF_DEVICE_NAME "quickstart" -#define QUICKSTART_PF_DEVATTR_NAME "pressed_button" +#define QUICKSTART_ACPI_DEVICE_NAME "quickstart" +#define QUICKSTART_ACPI_CLASS "quickstart" +#define QUICKSTART_ACPI_HID "PNP0C32" -#define QUICKSTART_MAX_BTN_NAME_LEN 16 +#define QUICKSTART_PF_DRIVER_NAME "quickstart" +#define QUICKSTART_PF_DEVICE_NAME "quickstart" -/* There will be two events: - * 0x02 - A hot button was pressed while device was off/sleeping. - * 0x80 - A hot button was pressed while device was up. */ -#define QUICKSTART_EVENT_WAKE 0x02 -#define QUICKSTART_EVENT_RUNTIME 0x80 +/* + * There will be two events: + * 0x02 - A hot button was pressed while device was off/sleeping. + * 0x80 - A hot button was pressed while device was up. + */ +#define QUICKSTART_EVENT_WAKE 0x02 +#define QUICKSTART_EVENT_RUNTIME 0x80 -struct quickstart_btn { +struct quickstart_button { char *name; unsigned int id; - struct quickstart_btn *next; + struct list_head list; }; -static struct quickstart_driver_data { - struct quickstart_btn *btn_lst; - struct quickstart_btn *pressed; -} quickstart_data; - -/* ACPI driver Structs */ struct quickstart_acpi { struct acpi_device *device; - struct quickstart_btn *btn; -}; -static int quickstart_acpi_add(struct acpi_device *device); -static int quickstart_acpi_remove(struct acpi_device *device, int type); -static const struct acpi_device_id quickstart_device_ids[] = { - {QUICKSTART_ACPI_HID, 0}, - {"", 0}, + struct quickstart_button *button; }; -static struct acpi_driver quickstart_acpi_driver = { - .name = "quickstart", - .class = QUICKSTART_ACPI_CLASS, - .ids = quickstart_device_ids, - .ops = { - .add = quickstart_acpi_add, - .remove = quickstart_acpi_remove, - }, -}; +static LIST_HEAD(buttons); +static struct quickstart_button *pressed; -/* Input device structs */ -struct input_dev *quickstart_input; +static struct input_dev *quickstart_input; -/* Platform driver structs */ -static ssize_t buttons_show(struct device *dev, - struct device_attribute *attr, - char *buf); -static ssize_t pressed_button_show(struct device *dev, +/* Platform driver functions */ +static ssize_t quickstart_buttons_show(struct device *dev, struct device_attribute *attr, - char *buf); -static ssize_t pressed_button_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count); -static DEVICE_ATTR(pressed_button, 0666, pressed_button_show, - pressed_button_store); -static DEVICE_ATTR(buttons, 0444, buttons_show, NULL); -static struct platform_device *pf_device; -static struct platform_driver pf_driver = { - .driver = { - .name = QUICKSTART_PF_DRIVER_NAME, - .owner = THIS_MODULE, - } -}; - -/* - * Platform driver functions - */ -static ssize_t buttons_show(struct device *dev, - struct device_attribute *attr, - char *buf) + char *buf) { int count = 0; - struct quickstart_btn *ptr = quickstart_data.btn_lst; + struct quickstart_button *b; - if (!ptr) + if (list_empty(&buttons)) return snprintf(buf, PAGE_SIZE, "none"); - while (ptr && (count < PAGE_SIZE)) { - if (ptr->name) { - count += snprintf(buf + count, - PAGE_SIZE - count, - "%d\t%s\n", ptr->id, ptr->name); + list_for_each_entry(b, &buttons, list) { + count += snprintf(buf + count, PAGE_SIZE - count, "%u\t%s\n", + b->id, b->name); + + if (count >= PAGE_SIZE) { + count = PAGE_SIZE; + break; } - ptr = ptr->next; } return count; } -static ssize_t pressed_button_show(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t quickstart_pressed_button_show(struct device *dev, + struct device_attribute *attr, + char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", - (quickstart_data.pressed ? - quickstart_data.pressed->name : "none")); + return scnprintf(buf, PAGE_SIZE, "%s\n", + (pressed ? pressed->name : "none")); } -static ssize_t pressed_button_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t quickstart_pressed_button_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { if (count < 2) return -EINVAL; @@ -156,60 +113,40 @@ static ssize_t pressed_button_store(struct device *dev, if (strncasecmp(buf, "none", 4) != 0) return -EINVAL; - quickstart_data.pressed = NULL; + pressed = NULL; return count; } -/* Hotstart Helper functions */ -static int quickstart_btnlst_add(struct quickstart_btn **data) +/* Helper functions */ +static struct quickstart_button *quickstart_buttons_add(void) { - struct quickstart_btn **ptr = &quickstart_data.btn_lst; + struct quickstart_button *b; - while (*ptr) - ptr = &((*ptr)->next); + b = kzalloc(sizeof(*b), GFP_KERNEL); + if (!b) + return NULL; - *ptr = kzalloc(sizeof(struct quickstart_btn), GFP_KERNEL); - if (!*ptr) { - *data = NULL; - return -ENOMEM; - } - *data = *ptr; + list_add_tail(&b->list, &buttons); - return 0; + return b; } -static void quickstart_btnlst_del(struct quickstart_btn *data) +static void quickstart_button_del(struct quickstart_button *data) { - struct quickstart_btn **ptr = &quickstart_data.btn_lst; - if (!data) return; - while (*ptr) { - if (*ptr == data) { - *ptr = (*ptr)->next; - kfree(data); - return; - } - ptr = &((*ptr)->next); - } - - return; + list_del(&data->list); + kfree(data->name); + kfree(data); } -static void quickstart_btnlst_free(void) +static void quickstart_buttons_free(void) { - struct quickstart_btn *ptr = quickstart_data.btn_lst; - struct quickstart_btn *lptr = NULL; - - while (ptr) { - lptr = ptr; - ptr = ptr->next; - kfree(lptr->name); - kfree(lptr); - } + struct quickstart_button *b, *n; - return; + list_for_each_entry_safe(b, n, &buttons, list) + quickstart_button_del(b); } /* ACPI Driver functions */ @@ -220,107 +157,137 @@ static void quickstart_acpi_notify(acpi_handle handle, u32 event, void *data) if (!quickstart) return; - if (event == QUICKSTART_EVENT_WAKE) - quickstart_data.pressed = quickstart->btn; - else if (event == QUICKSTART_EVENT_RUNTIME) { - input_report_key(quickstart_input, quickstart->btn->id, 1); + switch (event) { + case QUICKSTART_EVENT_WAKE: + pressed = quickstart->button; + break; + case QUICKSTART_EVENT_RUNTIME: + input_report_key(quickstart_input, quickstart->button->id, 1); input_sync(quickstart_input); - input_report_key(quickstart_input, quickstart->btn->id, 0); + input_report_key(quickstart_input, quickstart->button->id, 0); input_sync(quickstart_input); + break; + default: + pr_err("Unexpected ACPI event notify (%u)\n", event); + break; } - return; } -static void quickstart_acpi_ghid(struct quickstart_acpi *quickstart) +static int quickstart_acpi_ghid(struct quickstart_acpi *quickstart) { acpi_status status; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - uint32_t usageid = 0; - - if (!quickstart) - return; + int ret = 0; - /* This returns a buffer telling the button usage ID, - * and triggers pending notify events (The ones before booting). */ - status = acpi_evaluate_object(quickstart->device->handle, - "GHID", NULL, &buffer); - if (ACPI_FAILURE(status) || !buffer.pointer) { - printk(KERN_ERR "quickstart: %s GHID method failed.\n", - quickstart->btn->name); - return; + /* + * This returns a buffer telling the button usage ID, + * and triggers pending notify events (The ones before booting). + */ + status = acpi_evaluate_object(quickstart->device->handle, "GHID", NULL, + &buffer); + if (ACPI_FAILURE(status)) { + pr_err("%s GHID method failed\n", quickstart->button->name); + return -EINVAL; } - if (buffer.length < 8) - return; - - /* <<The GHID method can return a BYTE, WORD, or DWORD. + /* + * <<The GHID method can return a BYTE, WORD, or DWORD. * The value must be encoded in little-endian byte - * order (least significant byte first).>> */ - usageid = *((uint32_t *)(buffer.pointer + (buffer.length - 8))); - quickstart->btn->id = usageid; + * order (least significant byte first).>> + */ + switch (buffer.length) { + case 1: + quickstart->button->id = *(uint8_t *)buffer.pointer; + break; + case 2: + quickstart->button->id = *(uint16_t *)buffer.pointer; + break; + case 4: + quickstart->button->id = *(uint32_t *)buffer.pointer; + break; + case 8: + quickstart->button->id = *(uint64_t *)buffer.pointer; + break; + default: + pr_err("%s GHID method returned buffer of unexpected length %lu\n", + quickstart->button->name, + (unsigned long)buffer.length); + ret = -EINVAL; + break; + } kfree(buffer.pointer); + + return ret; } -static int quickstart_acpi_config(struct quickstart_acpi *quickstart, char *bid) +static int quickstart_acpi_config(struct quickstart_acpi *quickstart) { - int len = strlen(bid); - int ret; + char *bid = acpi_device_bid(quickstart->device); + char *name; - /* Add button to list */ - ret = quickstart_btnlst_add(&quickstart->btn); - if (ret) - return ret; + name = kmalloc(strlen(bid) + 1, GFP_KERNEL); + if (!name) + return -ENOMEM; - quickstart->btn->name = kzalloc(len + 1, GFP_KERNEL); - if (!quickstart->btn->name) { - quickstart_btnlst_free(); + /* Add new button to list */ + quickstart->button = quickstart_buttons_add(); + if (!quickstart->button) { + kfree(name); return -ENOMEM; } - strcpy(quickstart->btn->name, bid); + + quickstart->button->name = name; + strcpy(quickstart->button->name, bid); return 0; } static int quickstart_acpi_add(struct acpi_device *device) { - int ret = 0; - acpi_status status = AE_OK; - struct quickstart_acpi *quickstart = NULL; + int ret; + acpi_status status; + struct quickstart_acpi *quickstart; if (!device) return -EINVAL; - quickstart = kzalloc(sizeof(struct quickstart_acpi), GFP_KERNEL); + quickstart = kzalloc(sizeof(*quickstart), GFP_KERNEL); if (!quickstart) return -ENOMEM; quickstart->device = device; + strcpy(acpi_device_name(device), QUICKSTART_ACPI_DEVICE_NAME); strcpy(acpi_device_class(device), QUICKSTART_ACPI_CLASS); device->driver_data = quickstart; /* Add button to list and initialize some stuff */ - ret = quickstart_acpi_config(quickstart, acpi_device_bid(device)); - if (ret) + ret = quickstart_acpi_config(quickstart); + if (ret < 0) goto fail_config; - status = acpi_install_notify_handler(device->handle, - ACPI_ALL_NOTIFY, + status = acpi_install_notify_handler(device->handle, ACPI_ALL_NOTIFY, quickstart_acpi_notify, quickstart); if (ACPI_FAILURE(status)) { - printk(KERN_ERR "quickstart: Notify handler install error\n"); + pr_err("Notify handler install error\n"); ret = -ENODEV; goto fail_installnotify; } - quickstart_acpi_ghid(quickstart); + ret = quickstart_acpi_ghid(quickstart); + if (ret < 0) + goto fail_ghid; return 0; +fail_ghid: + acpi_remove_notify_handler(device->handle, ACPI_ALL_NOTIFY, + quickstart_acpi_notify); + fail_installnotify: - quickstart_btnlst_del(quickstart->btn); + quickstart_button_del(quickstart->button); fail_config: @@ -331,28 +298,54 @@ fail_config: static int quickstart_acpi_remove(struct acpi_device *device, int type) { - acpi_status status = 0; - struct quickstart_acpi *quickstart = NULL; + acpi_status status; + struct quickstart_acpi *quickstart; - if (!device || !acpi_driver_data(device)) + if (!device) return -EINVAL; quickstart = acpi_driver_data(device); + if (!quickstart) + return -EINVAL; - status = acpi_remove_notify_handler(device->handle, - ACPI_ALL_NOTIFY, - quickstart_acpi_notify); + status = acpi_remove_notify_handler(device->handle, ACPI_ALL_NOTIFY, + quickstart_acpi_notify); if (ACPI_FAILURE(status)) - printk(KERN_ERR "quickstart: Error removing notify handler\n"); - + pr_err("Error removing notify handler\n"); kfree(quickstart); return 0; } -/* Module functions */ +/* Platform driver structs */ +static DEVICE_ATTR(pressed_button, 0666, quickstart_pressed_button_show, + quickstart_pressed_button_store); +static DEVICE_ATTR(buttons, 0444, quickstart_buttons_show, NULL); +static struct platform_device *pf_device; +static struct platform_driver pf_driver = { + .driver = { + .name = QUICKSTART_PF_DRIVER_NAME, + .owner = THIS_MODULE, + } +}; + +static const struct acpi_device_id quickstart_device_ids[] = { + {QUICKSTART_ACPI_HID, 0}, + {"", 0}, +}; + +static struct acpi_driver quickstart_acpi_driver = { + .name = "quickstart", + .class = QUICKSTART_ACPI_CLASS, + .ids = quickstart_device_ids, + .ops = { + .add = quickstart_acpi_add, + .remove = quickstart_acpi_remove, + }, +}; +/* Module functions */ static void quickstart_exit(void) { input_unregister_device(quickstart_input); @@ -366,15 +359,12 @@ static void quickstart_exit(void) acpi_bus_unregister_driver(&quickstart_acpi_driver); - quickstart_btnlst_free(); - - return; + quickstart_buttons_free(); } static int __init quickstart_init_input(void) { - struct quickstart_btn **ptr = &quickstart_data.btn_lst; - int count; + struct quickstart_button *b; int ret; quickstart_input = input_allocate_device(); @@ -385,11 +375,9 @@ static int __init quickstart_init_input(void) quickstart_input->name = "Quickstart ACPI Buttons"; quickstart_input->id.bustype = BUS_HOST; - while (*ptr) { - count++; + list_for_each_entry(b, &buttons, list) { set_bit(EV_KEY, quickstart_input->evbit); - set_bit((*ptr)->id, quickstart_input->keybit); - ptr = &((*ptr)->next); + set_bit(b->id, quickstart_input->keybit); } ret = input_register_device(quickstart_input); @@ -415,7 +403,7 @@ static int __init quickstart_init(void) return ret; /* If existing bus with no devices */ - if (!quickstart_data.btn_lst) { + if (list_empty(&buttons)) { ret = -ENODEV; goto fail_pfdrv_reg; } @@ -444,14 +432,12 @@ static int __init quickstart_init(void) if (ret) goto fail_dev_file2; - /* Input device */ ret = quickstart_init_input(); if (ret) goto fail_input; - printk(KERN_INFO "quickstart: ACPI Direct App Launch ver %s\n", - QUICKSTART_VERSION); + pr_info("ACPI Direct App Launch ver %s\n", QUICKSTART_VERSION); return 0; fail_input: diff --git a/drivers/staging/ramster/Kconfig b/drivers/staging/ramster/Kconfig new file mode 100644 index 00000000000..8b57b87edda --- /dev/null +++ b/drivers/staging/ramster/Kconfig @@ -0,0 +1,17 @@ +# Dependency on CONFIG_BROKEN is because there is a commit dependency +# on a cleancache naming change to be submitted by Konrad Wilk +# a39c00ded70339603ffe1b0ffdf3ade85bcf009a "Merge branch 'stable/cleancache.v13' +# into linux-next. Once this commit is present, BROKEN can be removed +config RAMSTER + bool "Cross-machine RAM capacity sharing, aka peer-to-peer tmem" + depends on (CLEANCACHE || FRONTSWAP) && CONFIGFS_FS=y && !ZCACHE && !XVMALLOC && !HIGHMEM && BROKEN + select LZO_COMPRESS + select LZO_DECOMPRESS + default n + help + RAMster allows RAM on other machines in a cluster to be utilized + dynamically and symmetrically instead of swapping to a local swap + disk, thus improving performance on memory-constrained workloads + while minimizing total RAM across the cluster. RAMster, like + zcache, compresses swap pages into local RAM, but then remotifies + the compressed pages to another node in the RAMster cluster. diff --git a/drivers/staging/ramster/Makefile b/drivers/staging/ramster/Makefile new file mode 100644 index 00000000000..bcc13c87f99 --- /dev/null +++ b/drivers/staging/ramster/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_RAMSTER) += zcache-main.o tmem.o r2net.o xvmalloc.o cluster/ diff --git a/drivers/staging/ramster/TODO b/drivers/staging/ramster/TODO new file mode 100644 index 00000000000..46fcf0c58ac --- /dev/null +++ b/drivers/staging/ramster/TODO @@ -0,0 +1,13 @@ +For this staging driver, RAMster duplicates code from drivers/staging/zcache +then incorporates changes to the local copy of the code. For V5, it also +directly incorporates the soon-to-be-removed drivers/staging/zram/xvmalloc.[ch] +as all testing has been done with xvmalloc rather than the new zsmalloc. +Before RAMster can be promoted from staging, the zcache and RAMster drivers +should be either merged or reorganized to separate out common code. + +Until V4, RAMster duplicated code from fs/ocfs2/cluster, but this made +RAMster incompatible with ocfs2 running in the same kernel and included +lots of code that could be removed. As of V5, the ocfs2 code has been +mined and made RAMster-specific, made to communicate with a userland +ramster-tools package rather than ocfs2-tools, and can co-exist with ocfs2 +both in the same kernel and in userland on the same machine. diff --git a/drivers/staging/ramster/cluster/Makefile b/drivers/staging/ramster/cluster/Makefile new file mode 100644 index 00000000000..9c6943652c0 --- /dev/null +++ b/drivers/staging/ramster/cluster/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_RAMSTER) += ramster_nodemanager.o + +ramster_nodemanager-objs := heartbeat.o masklog.o nodemanager.o tcp.o diff --git a/drivers/staging/ramster/cluster/heartbeat.c b/drivers/staging/ramster/cluster/heartbeat.c new file mode 100644 index 00000000000..00209490756 --- /dev/null +++ b/drivers/staging/ramster/cluster/heartbeat.c @@ -0,0 +1,464 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * Copyright (C) 2004, 2005, 2012 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/configfs.h> + +#include "heartbeat.h" +#include "tcp.h" +#include "nodemanager.h" + +#include "masklog.h" + +/* + * The first heartbeat pass had one global thread that would serialize all hb + * callback calls. This global serializing sem should only be removed once + * we've made sure that all callees can deal with being called concurrently + * from multiple hb region threads. + */ +static DECLARE_RWSEM(r2hb_callback_sem); + +/* + * multiple hb threads are watching multiple regions. A node is live + * whenever any of the threads sees activity from the node in its region. + */ +static DEFINE_SPINLOCK(r2hb_live_lock); +static unsigned long r2hb_live_node_bitmap[BITS_TO_LONGS(R2NM_MAX_NODES)]; + +static struct r2hb_callback { + struct list_head list; +} r2hb_callbacks[R2HB_NUM_CB]; + +enum r2hb_heartbeat_modes { + R2HB_HEARTBEAT_LOCAL = 0, + R2HB_HEARTBEAT_GLOBAL, + R2HB_HEARTBEAT_NUM_MODES, +}; + +char *r2hb_heartbeat_mode_desc[R2HB_HEARTBEAT_NUM_MODES] = { + "local", /* R2HB_HEARTBEAT_LOCAL */ + "global", /* R2HB_HEARTBEAT_GLOBAL */ +}; + +unsigned int r2hb_dead_threshold = R2HB_DEFAULT_DEAD_THRESHOLD; +unsigned int r2hb_heartbeat_mode = R2HB_HEARTBEAT_LOCAL; + +/* Only sets a new threshold if there are no active regions. + * + * No locking or otherwise interesting code is required for reading + * r2hb_dead_threshold as it can't change once regions are active and + * it's not interesting to anyone until then anyway. */ +static void r2hb_dead_threshold_set(unsigned int threshold) +{ + if (threshold > R2HB_MIN_DEAD_THRESHOLD) { + spin_lock(&r2hb_live_lock); + r2hb_dead_threshold = threshold; + spin_unlock(&r2hb_live_lock); + } +} + +static int r2hb_global_hearbeat_mode_set(unsigned int hb_mode) +{ + int ret = -1; + + if (hb_mode < R2HB_HEARTBEAT_NUM_MODES) { + spin_lock(&r2hb_live_lock); + r2hb_heartbeat_mode = hb_mode; + ret = 0; + spin_unlock(&r2hb_live_lock); + } + + return ret; +} + +void r2hb_exit(void) +{ +} + +int r2hb_init(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(r2hb_callbacks); i++) + INIT_LIST_HEAD(&r2hb_callbacks[i].list); + + memset(r2hb_live_node_bitmap, 0, sizeof(r2hb_live_node_bitmap)); + + return 0; +} + +/* if we're already in a callback then we're already serialized by the sem */ +static void r2hb_fill_node_map_from_callback(unsigned long *map, + unsigned bytes) +{ + BUG_ON(bytes < (BITS_TO_LONGS(R2NM_MAX_NODES) * sizeof(unsigned long))); + + memcpy(map, &r2hb_live_node_bitmap, bytes); +} + +/* + * get a map of all nodes that are heartbeating in any regions + */ +void r2hb_fill_node_map(unsigned long *map, unsigned bytes) +{ + /* callers want to serialize this map and callbacks so that they + * can trust that they don't miss nodes coming to the party */ + down_read(&r2hb_callback_sem); + spin_lock(&r2hb_live_lock); + r2hb_fill_node_map_from_callback(map, bytes); + spin_unlock(&r2hb_live_lock); + up_read(&r2hb_callback_sem); +} +EXPORT_SYMBOL_GPL(r2hb_fill_node_map); + +/* + * heartbeat configfs bits. The heartbeat set is a default set under + * the cluster set in nodemanager.c. + */ + +/* heartbeat set */ + +struct r2hb_hb_group { + struct config_group hs_group; + /* some stuff? */ +}; + +static struct r2hb_hb_group *to_r2hb_hb_group(struct config_group *group) +{ + return group ? + container_of(group, struct r2hb_hb_group, hs_group) + : NULL; +} + +static struct config_item r2hb_config_item; + +static struct config_item *r2hb_hb_group_make_item(struct config_group *group, + const char *name) +{ + int ret; + + if (strlen(name) > R2HB_MAX_REGION_NAME_LEN) { + ret = -ENAMETOOLONG; + goto free; + } + + config_item_put(&r2hb_config_item); + + return &r2hb_config_item; +free: + return ERR_PTR(ret); +} + +static void r2hb_hb_group_drop_item(struct config_group *group, + struct config_item *item) +{ + if (r2hb_global_heartbeat_active()) { + printk(KERN_NOTICE "ramster: Heartbeat %s " + "on region %s (%s)\n", + "stopped/aborted", config_item_name(item), + "no region"); + } + + config_item_put(item); +} + +struct r2hb_hb_group_attribute { + struct configfs_attribute attr; + ssize_t (*show)(struct r2hb_hb_group *, char *); + ssize_t (*store)(struct r2hb_hb_group *, const char *, size_t); +}; + +static ssize_t r2hb_hb_group_show(struct config_item *item, + struct configfs_attribute *attr, + char *page) +{ + struct r2hb_hb_group *reg = to_r2hb_hb_group(to_config_group(item)); + struct r2hb_hb_group_attribute *r2hb_hb_group_attr = + container_of(attr, struct r2hb_hb_group_attribute, attr); + ssize_t ret = 0; + + if (r2hb_hb_group_attr->show) + ret = r2hb_hb_group_attr->show(reg, page); + return ret; +} + +static ssize_t r2hb_hb_group_store(struct config_item *item, + struct configfs_attribute *attr, + const char *page, size_t count) +{ + struct r2hb_hb_group *reg = to_r2hb_hb_group(to_config_group(item)); + struct r2hb_hb_group_attribute *r2hb_hb_group_attr = + container_of(attr, struct r2hb_hb_group_attribute, attr); + ssize_t ret = -EINVAL; + + if (r2hb_hb_group_attr->store) + ret = r2hb_hb_group_attr->store(reg, page, count); + return ret; +} + +static ssize_t r2hb_hb_group_threshold_show(struct r2hb_hb_group *group, + char *page) +{ + return sprintf(page, "%u\n", r2hb_dead_threshold); +} + +static ssize_t r2hb_hb_group_threshold_store(struct r2hb_hb_group *group, + const char *page, + size_t count) +{ + unsigned long tmp; + char *p = (char *)page; + int err; + + err = kstrtoul(p, 10, &tmp); + if (err) + return err; + + /* this will validate ranges for us. */ + r2hb_dead_threshold_set((unsigned int) tmp); + + return count; +} + +static +ssize_t r2hb_hb_group_mode_show(struct r2hb_hb_group *group, + char *page) +{ + return sprintf(page, "%s\n", + r2hb_heartbeat_mode_desc[r2hb_heartbeat_mode]); +} + +static +ssize_t r2hb_hb_group_mode_store(struct r2hb_hb_group *group, + const char *page, size_t count) +{ + unsigned int i; + int ret; + size_t len; + + len = (page[count - 1] == '\n') ? count - 1 : count; + if (!len) + return -EINVAL; + + for (i = 0; i < R2HB_HEARTBEAT_NUM_MODES; ++i) { + if (strnicmp(page, r2hb_heartbeat_mode_desc[i], len)) + continue; + + ret = r2hb_global_hearbeat_mode_set(i); + if (!ret) + printk(KERN_NOTICE "ramster: Heartbeat mode " + "set to %s\n", + r2hb_heartbeat_mode_desc[i]); + return count; + } + + return -EINVAL; + +} + +static struct r2hb_hb_group_attribute r2hb_hb_group_attr_threshold = { + .attr = { .ca_owner = THIS_MODULE, + .ca_name = "dead_threshold", + .ca_mode = S_IRUGO | S_IWUSR }, + .show = r2hb_hb_group_threshold_show, + .store = r2hb_hb_group_threshold_store, +}; + +static struct r2hb_hb_group_attribute r2hb_hb_group_attr_mode = { + .attr = { .ca_owner = THIS_MODULE, + .ca_name = "mode", + .ca_mode = S_IRUGO | S_IWUSR }, + .show = r2hb_hb_group_mode_show, + .store = r2hb_hb_group_mode_store, +}; + +static struct configfs_attribute *r2hb_hb_group_attrs[] = { + &r2hb_hb_group_attr_threshold.attr, + &r2hb_hb_group_attr_mode.attr, + NULL, +}; + +static struct configfs_item_operations r2hb_hearbeat_group_item_ops = { + .show_attribute = r2hb_hb_group_show, + .store_attribute = r2hb_hb_group_store, +}; + +static struct configfs_group_operations r2hb_hb_group_group_ops = { + .make_item = r2hb_hb_group_make_item, + .drop_item = r2hb_hb_group_drop_item, +}; + +static struct config_item_type r2hb_hb_group_type = { + .ct_group_ops = &r2hb_hb_group_group_ops, + .ct_item_ops = &r2hb_hearbeat_group_item_ops, + .ct_attrs = r2hb_hb_group_attrs, + .ct_owner = THIS_MODULE, +}; + +/* this is just here to avoid touching group in heartbeat.h which the + * entire damn world #includes */ +struct config_group *r2hb_alloc_hb_set(void) +{ + struct r2hb_hb_group *hs = NULL; + struct config_group *ret = NULL; + + hs = kzalloc(sizeof(struct r2hb_hb_group), GFP_KERNEL); + if (hs == NULL) + goto out; + + config_group_init_type_name(&hs->hs_group, "heartbeat", + &r2hb_hb_group_type); + + ret = &hs->hs_group; +out: + if (ret == NULL) + kfree(hs); + return ret; +} + +void r2hb_free_hb_set(struct config_group *group) +{ + struct r2hb_hb_group *hs = to_r2hb_hb_group(group); + kfree(hs); +} + +/* hb callback registration and issuing */ + +static struct r2hb_callback *hbcall_from_type(enum r2hb_callback_type type) +{ + if (type == R2HB_NUM_CB) + return ERR_PTR(-EINVAL); + + return &r2hb_callbacks[type]; +} + +void r2hb_setup_callback(struct r2hb_callback_func *hc, + enum r2hb_callback_type type, + r2hb_cb_func *func, + void *data, + int priority) +{ + INIT_LIST_HEAD(&hc->hc_item); + hc->hc_func = func; + hc->hc_data = data; + hc->hc_priority = priority; + hc->hc_type = type; + hc->hc_magic = R2HB_CB_MAGIC; +} +EXPORT_SYMBOL_GPL(r2hb_setup_callback); + +int r2hb_register_callback(const char *region_uuid, + struct r2hb_callback_func *hc) +{ + struct r2hb_callback_func *tmp; + struct list_head *iter; + struct r2hb_callback *hbcall; + int ret; + + BUG_ON(hc->hc_magic != R2HB_CB_MAGIC); + BUG_ON(!list_empty(&hc->hc_item)); + + hbcall = hbcall_from_type(hc->hc_type); + if (IS_ERR(hbcall)) { + ret = PTR_ERR(hbcall); + goto out; + } + + down_write(&r2hb_callback_sem); + + list_for_each(iter, &hbcall->list) { + tmp = list_entry(iter, struct r2hb_callback_func, hc_item); + if (hc->hc_priority < tmp->hc_priority) { + list_add_tail(&hc->hc_item, iter); + break; + } + } + if (list_empty(&hc->hc_item)) + list_add_tail(&hc->hc_item, &hbcall->list); + + up_write(&r2hb_callback_sem); + ret = 0; +out: + mlog(ML_CLUSTER, "returning %d on behalf of %p for funcs %p\n", + ret, __builtin_return_address(0), hc); + return ret; +} +EXPORT_SYMBOL_GPL(r2hb_register_callback); + +void r2hb_unregister_callback(const char *region_uuid, + struct r2hb_callback_func *hc) +{ + BUG_ON(hc->hc_magic != R2HB_CB_MAGIC); + + mlog(ML_CLUSTER, "on behalf of %p for funcs %p\n", + __builtin_return_address(0), hc); + + /* XXX Can this happen _with_ a region reference? */ + if (list_empty(&hc->hc_item)) + return; + + down_write(&r2hb_callback_sem); + + list_del_init(&hc->hc_item); + + up_write(&r2hb_callback_sem); +} +EXPORT_SYMBOL_GPL(r2hb_unregister_callback); + +int r2hb_check_node_heartbeating_from_callback(u8 node_num) +{ + unsigned long testing_map[BITS_TO_LONGS(R2NM_MAX_NODES)]; + + r2hb_fill_node_map_from_callback(testing_map, sizeof(testing_map)); + if (!test_bit(node_num, testing_map)) { + mlog(ML_HEARTBEAT, + "node (%u) does not have heartbeating enabled.\n", + node_num); + return 0; + } + + return 1; +} +EXPORT_SYMBOL_GPL(r2hb_check_node_heartbeating_from_callback); + +void r2hb_stop_all_regions(void) +{ +} +EXPORT_SYMBOL_GPL(r2hb_stop_all_regions); + +/* + * this is just a hack until we get the plumbing which flips file systems + * read only and drops the hb ref instead of killing the node dead. + */ +int r2hb_global_heartbeat_active(void) +{ + return (r2hb_heartbeat_mode == R2HB_HEARTBEAT_GLOBAL); +} +EXPORT_SYMBOL(r2hb_global_heartbeat_active); + +/* added for RAMster */ +void r2hb_manual_set_node_heartbeating(int node_num) +{ + if (node_num < R2NM_MAX_NODES) + set_bit(node_num, r2hb_live_node_bitmap); +} +EXPORT_SYMBOL(r2hb_manual_set_node_heartbeating); diff --git a/drivers/staging/ramster/cluster/heartbeat.h b/drivers/staging/ramster/cluster/heartbeat.h new file mode 100644 index 00000000000..6cbc775bd63 --- /dev/null +++ b/drivers/staging/ramster/cluster/heartbeat.h @@ -0,0 +1,87 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * heartbeat.h + * + * Function prototypes + * + * Copyright (C) 2004 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + * + */ + +#ifndef R2CLUSTER_HEARTBEAT_H +#define R2CLUSTER_HEARTBEAT_H + +#define R2HB_REGION_TIMEOUT_MS 2000 + +#define R2HB_MAX_REGION_NAME_LEN 32 + +/* number of changes to be seen as live */ +#define R2HB_LIVE_THRESHOLD 2 +/* number of equal samples to be seen as dead */ +extern unsigned int r2hb_dead_threshold; +#define R2HB_DEFAULT_DEAD_THRESHOLD 31 +/* Otherwise MAX_WRITE_TIMEOUT will be zero... */ +#define R2HB_MIN_DEAD_THRESHOLD 2 +#define R2HB_MAX_WRITE_TIMEOUT_MS \ + (R2HB_REGION_TIMEOUT_MS * (r2hb_dead_threshold - 1)) + +#define R2HB_CB_MAGIC 0x51d1e4ec + +/* callback stuff */ +enum r2hb_callback_type { + R2HB_NODE_DOWN_CB = 0, + R2HB_NODE_UP_CB, + R2HB_NUM_CB +}; + +struct r2nm_node; +typedef void (r2hb_cb_func)(struct r2nm_node *, int, void *); + +struct r2hb_callback_func { + u32 hc_magic; + struct list_head hc_item; + r2hb_cb_func *hc_func; + void *hc_data; + int hc_priority; + enum r2hb_callback_type hc_type; +}; + +struct config_group *r2hb_alloc_hb_set(void); +void r2hb_free_hb_set(struct config_group *group); + +void r2hb_setup_callback(struct r2hb_callback_func *hc, + enum r2hb_callback_type type, + r2hb_cb_func *func, + void *data, + int priority); +int r2hb_register_callback(const char *region_uuid, + struct r2hb_callback_func *hc); +void r2hb_unregister_callback(const char *region_uuid, + struct r2hb_callback_func *hc); +void r2hb_fill_node_map(unsigned long *map, + unsigned bytes); +void r2hb_exit(void); +int r2hb_init(void); +int r2hb_check_node_heartbeating_from_callback(u8 node_num); +void r2hb_stop_all_regions(void); +int r2hb_get_all_regions(char *region_uuids, u8 numregions); +int r2hb_global_heartbeat_active(void); +void r2hb_manual_set_node_heartbeating(int); + +#endif /* R2CLUSTER_HEARTBEAT_H */ diff --git a/drivers/staging/ramster/cluster/masklog.c b/drivers/staging/ramster/cluster/masklog.c new file mode 100644 index 00000000000..1261d8579aa --- /dev/null +++ b/drivers/staging/ramster/cluster/masklog.c @@ -0,0 +1,155 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * Copyright (C) 2004, 2005, 2012 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/proc_fs.h> +#include <linux/seq_file.h> +#include <linux/string.h> +#include <linux/uaccess.h> + +#include "masklog.h" + +struct mlog_bits r2_mlog_and_bits = MLOG_BITS_RHS(MLOG_INITIAL_AND_MASK); +EXPORT_SYMBOL_GPL(r2_mlog_and_bits); +struct mlog_bits r2_mlog_not_bits = MLOG_BITS_RHS(0); +EXPORT_SYMBOL_GPL(r2_mlog_not_bits); + +static ssize_t mlog_mask_show(u64 mask, char *buf) +{ + char *state; + + if (__mlog_test_u64(mask, r2_mlog_and_bits)) + state = "allow"; + else if (__mlog_test_u64(mask, r2_mlog_not_bits)) + state = "deny"; + else + state = "off"; + + return snprintf(buf, PAGE_SIZE, "%s\n", state); +} + +static ssize_t mlog_mask_store(u64 mask, const char *buf, size_t count) +{ + if (!strnicmp(buf, "allow", 5)) { + __mlog_set_u64(mask, r2_mlog_and_bits); + __mlog_clear_u64(mask, r2_mlog_not_bits); + } else if (!strnicmp(buf, "deny", 4)) { + __mlog_set_u64(mask, r2_mlog_not_bits); + __mlog_clear_u64(mask, r2_mlog_and_bits); + } else if (!strnicmp(buf, "off", 3)) { + __mlog_clear_u64(mask, r2_mlog_not_bits); + __mlog_clear_u64(mask, r2_mlog_and_bits); + } else + return -EINVAL; + + return count; +} + +struct mlog_attribute { + struct attribute attr; + u64 mask; +}; + +#define to_mlog_attr(_attr) container_of(_attr, struct mlog_attribute, attr) + +#define define_mask(_name) { \ + .attr = { \ + .name = #_name, \ + .mode = S_IRUGO | S_IWUSR, \ + }, \ + .mask = ML_##_name, \ +} + +static struct mlog_attribute mlog_attrs[MLOG_MAX_BITS] = { + define_mask(TCP), + define_mask(MSG), + define_mask(SOCKET), + define_mask(HEARTBEAT), + define_mask(HB_BIO), + define_mask(DLMFS), + define_mask(DLM), + define_mask(DLM_DOMAIN), + define_mask(DLM_THREAD), + define_mask(DLM_MASTER), + define_mask(DLM_RECOVERY), + define_mask(DLM_GLUE), + define_mask(VOTE), + define_mask(CONN), + define_mask(QUORUM), + define_mask(BASTS), + define_mask(CLUSTER), + define_mask(ERROR), + define_mask(NOTICE), + define_mask(KTHREAD), +}; + +static struct attribute *mlog_attr_ptrs[MLOG_MAX_BITS] = {NULL, }; + +static ssize_t mlog_show(struct kobject *obj, struct attribute *attr, + char *buf) +{ + struct mlog_attribute *mlog_attr = to_mlog_attr(attr); + + return mlog_mask_show(mlog_attr->mask, buf); +} + +static ssize_t mlog_store(struct kobject *obj, struct attribute *attr, + const char *buf, size_t count) +{ + struct mlog_attribute *mlog_attr = to_mlog_attr(attr); + + return mlog_mask_store(mlog_attr->mask, buf, count); +} + +static const struct sysfs_ops mlog_attr_ops = { + .show = mlog_show, + .store = mlog_store, +}; + +static struct kobj_type mlog_ktype = { + .default_attrs = mlog_attr_ptrs, + .sysfs_ops = &mlog_attr_ops, +}; + +static struct kset mlog_kset = { + .kobj = {.ktype = &mlog_ktype}, +}; + +int r2_mlog_sys_init(struct kset *r2cb_kset) +{ + int i = 0; + + while (mlog_attrs[i].attr.mode) { + mlog_attr_ptrs[i] = &mlog_attrs[i].attr; + i++; + } + mlog_attr_ptrs[i] = NULL; + + kobject_set_name(&mlog_kset.kobj, "logmask"); + mlog_kset.kobj.kset = r2cb_kset; + return kset_register(&mlog_kset); +} + +void r2_mlog_sys_shutdown(void) +{ + kset_unregister(&mlog_kset); +} diff --git a/drivers/staging/ramster/cluster/masklog.h b/drivers/staging/ramster/cluster/masklog.h new file mode 100644 index 00000000000..918ae110b69 --- /dev/null +++ b/drivers/staging/ramster/cluster/masklog.h @@ -0,0 +1,220 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * Copyright (C) 2005, 2012 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +#ifndef R2CLUSTER_MASKLOG_H +#define R2CLUSTER_MASKLOG_H + +/* + * For now this is a trivial wrapper around printk() that gives the critical + * ability to enable sets of debugging output at run-time. In the future this + * will almost certainly be redirected to relayfs so that it can pay a + * substantially lower heisenberg tax. + * + * Callers associate the message with a bitmask and a global bitmask is + * maintained with help from /proc. If any of the bits match the message is + * output. + * + * We must have efficient bit tests on i386 and it seems gcc still emits crazy + * code for the 64bit compare. It emits very good code for the dual unsigned + * long tests, though, completely avoiding tests that can never pass if the + * caller gives a constant bitmask that fills one of the longs with all 0s. So + * the desire is to have almost all of the calls decided on by comparing just + * one of the longs. This leads to having infrequently given bits that are + * frequently matched in the high bits. + * + * _ERROR and _NOTICE are used for messages that always go to the console and + * have appropriate KERN_ prefixes. We wrap these in our function instead of + * just calling printk() so that this can eventually make its way through + * relayfs along with the debugging messages. Everything else gets KERN_DEBUG. + * The inline tests and macro dance give GCC the opportunity to quite cleverly + * only emit the appropriage printk() when the caller passes in a constant + * mask, as is almost always the case. + * + * All this bitmask nonsense is managed from the files under + * /sys/fs/r2cb/logmask/. Reading the files gives a straightforward + * indication of which bits are allowed (allow) or denied (off/deny). + * ENTRY deny + * EXIT deny + * TCP off + * MSG off + * SOCKET off + * ERROR allow + * NOTICE allow + * + * Writing changes the state of a given bit and requires a strictly formatted + * single write() call: + * + * write(fd, "allow", 5); + * + * Echoing allow/deny/off string into the logmask files can flip the bits + * on or off as expected; here is the bash script for example: + * + * log_mask="/sys/fs/r2cb/log_mask" + * for node in ENTRY EXIT TCP MSG SOCKET ERROR NOTICE; do + * echo allow >"$log_mask"/"$node" + * done + * + * The debugfs.ramster tool can also flip the bits with the -l option: + * + * debugfs.ramster -l TCP allow + */ + +/* for task_struct */ +#include <linux/sched.h> + +/* bits that are frequently given and infrequently matched in the low word */ +/* NOTE: If you add a flag, you need to also update masklog.c! */ +#define ML_TCP 0x0000000000000001ULL /* net cluster/tcp.c */ +#define ML_MSG 0x0000000000000002ULL /* net network messages */ +#define ML_SOCKET 0x0000000000000004ULL /* net socket lifetime */ +#define ML_HEARTBEAT 0x0000000000000008ULL /* hb all heartbeat tracking */ +#define ML_HB_BIO 0x0000000000000010ULL /* hb io tracing */ +#define ML_DLMFS 0x0000000000000020ULL /* dlm user dlmfs */ +#define ML_DLM 0x0000000000000040ULL /* dlm general debugging */ +#define ML_DLM_DOMAIN 0x0000000000000080ULL /* dlm domain debugging */ +#define ML_DLM_THREAD 0x0000000000000100ULL /* dlm domain thread */ +#define ML_DLM_MASTER 0x0000000000000200ULL /* dlm master functions */ +#define ML_DLM_RECOVERY 0x0000000000000400ULL /* dlm master functions */ +#define ML_DLM_GLUE 0x0000000000000800ULL /* ramster dlm glue layer */ +#define ML_VOTE 0x0000000000001000ULL /* ramster node messaging */ +#define ML_CONN 0x0000000000002000ULL /* net connection management */ +#define ML_QUORUM 0x0000000000004000ULL /* net connection quorum */ +#define ML_BASTS 0x0000000000008000ULL /* dlmglue asts and basts */ +#define ML_CLUSTER 0x0000000000010000ULL /* cluster stack */ + +/* bits that are infrequently given and frequently matched in the high word */ +#define ML_ERROR 0x1000000000000000ULL /* sent to KERN_ERR */ +#define ML_NOTICE 0x2000000000000000ULL /* setn to KERN_NOTICE */ +#define ML_KTHREAD 0x4000000000000000ULL /* kernel thread activity */ + +#define MLOG_INITIAL_AND_MASK (ML_ERROR|ML_NOTICE) +#ifndef MLOG_MASK_PREFIX +#define MLOG_MASK_PREFIX 0 +#endif + +/* + * When logging is disabled, force the bit test to 0 for anything other + * than errors and notices, allowing gcc to remove the code completely. + * When enabled, allow all masks. + */ +#if defined(CONFIG_RAMSTER_DEBUG_MASKLOG) +#define ML_ALLOWED_BITS (~0) +#else +#define ML_ALLOWED_BITS (ML_ERROR|ML_NOTICE) +#endif + +#define MLOG_MAX_BITS 64 + +struct mlog_bits { + unsigned long words[MLOG_MAX_BITS / BITS_PER_LONG]; +}; + +extern struct mlog_bits r2_mlog_and_bits, r2_mlog_not_bits; + +#if BITS_PER_LONG == 32 + +#define __mlog_test_u64(mask, bits) \ + ((u32)(mask & 0xffffffff) & bits.words[0] || \ + ((u64)(mask) >> 32) & bits.words[1]) +#define __mlog_set_u64(mask, bits) do { \ + bits.words[0] |= (u32)(mask & 0xffffffff); \ + bits.words[1] |= (u64)(mask) >> 32; \ +} while (0) +#define __mlog_clear_u64(mask, bits) do { \ + bits.words[0] &= ~((u32)(mask & 0xffffffff)); \ + bits.words[1] &= ~((u64)(mask) >> 32); \ +} while (0) +#define MLOG_BITS_RHS(mask) { \ + { \ + [0] = (u32)(mask & 0xffffffff), \ + [1] = (u64)(mask) >> 32, \ + } \ +} + +#else /* 32bit long above, 64bit long below */ + +#define __mlog_test_u64(mask, bits) ((mask) & bits.words[0]) +#define __mlog_set_u64(mask, bits) do { \ + bits.words[0] |= (mask); \ +} while (0) +#define __mlog_clear_u64(mask, bits) do { \ + bits.words[0] &= ~(mask); \ +} while (0) +#define MLOG_BITS_RHS(mask) { { (mask) } } + +#endif + +/* + * smp_processor_id() "helpfully" screams when called outside preemptible + * regions in current kernels. sles doesn't have the variants that don't + * scream. just do this instead of trying to guess which we're building + * against.. *sigh*. + */ +#define __mlog_cpu_guess ({ \ + unsigned long _cpu = get_cpu(); \ + put_cpu(); \ + _cpu; \ +}) + +/* In the following two macros, the whitespace after the ',' just + * before ##args is intentional. Otherwise, gcc 2.95 will eat the + * previous token if args expands to nothing. + */ +#define __mlog_printk(level, fmt, args...) \ + printk(level "(%s,%u,%lu):%s:%d " fmt, current->comm, \ + task_pid_nr(current), __mlog_cpu_guess, \ + __PRETTY_FUNCTION__, __LINE__ , ##args) + +#define mlog(mask, fmt, args...) do { \ + u64 __m = MLOG_MASK_PREFIX | (mask); \ + if ((__m & ML_ALLOWED_BITS) && \ + __mlog_test_u64(__m, r2_mlog_and_bits) && \ + !__mlog_test_u64(__m, r2_mlog_not_bits)) { \ + if (__m & ML_ERROR) \ + __mlog_printk(KERN_ERR, "ERROR: "fmt , ##args); \ + else if (__m & ML_NOTICE) \ + __mlog_printk(KERN_NOTICE, fmt , ##args); \ + else \ + __mlog_printk(KERN_INFO, fmt , ##args); \ + } \ +} while (0) + +#define mlog_errno(st) do { \ + int _st = (st); \ + if (_st != -ERESTARTSYS && _st != -EINTR && \ + _st != AOP_TRUNCATED_PAGE && _st != -ENOSPC) \ + mlog(ML_ERROR, "status = %lld\n", (long long)_st); \ +} while (0) + +#define mlog_bug_on_msg(cond, fmt, args...) do { \ + if (cond) { \ + mlog(ML_ERROR, "bug expression: " #cond "\n"); \ + mlog(ML_ERROR, fmt, ##args); \ + BUG(); \ + } \ +} while (0) + +#include <linux/kobject.h> +#include <linux/sysfs.h> +int r2_mlog_sys_init(struct kset *r2cb_subsys); +void r2_mlog_sys_shutdown(void); + +#endif /* R2CLUSTER_MASKLOG_H */ diff --git a/drivers/staging/ramster/cluster/nodemanager.c b/drivers/staging/ramster/cluster/nodemanager.c new file mode 100644 index 00000000000..de0e5c8da6e --- /dev/null +++ b/drivers/staging/ramster/cluster/nodemanager.c @@ -0,0 +1,992 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * Copyright (C) 2004, 2005, 2012 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +#include <linux/slab.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/configfs.h> + +#include "tcp.h" +#include "nodemanager.h" +#include "heartbeat.h" +#include "masklog.h" + +/* for now we operate under the assertion that there can be only one + * cluster active at a time. Changing this will require trickling + * cluster references throughout where nodes are looked up */ +struct r2nm_cluster *r2nm_single_cluster; + +char *r2nm_fence_method_desc[R2NM_FENCE_METHODS] = { + "reset", /* R2NM_FENCE_RESET */ + "panic", /* R2NM_FENCE_PANIC */ +}; + +struct r2nm_node *r2nm_get_node_by_num(u8 node_num) +{ + struct r2nm_node *node = NULL; + + if (node_num >= R2NM_MAX_NODES || r2nm_single_cluster == NULL) + goto out; + + read_lock(&r2nm_single_cluster->cl_nodes_lock); + node = r2nm_single_cluster->cl_nodes[node_num]; + if (node) + config_item_get(&node->nd_item); + read_unlock(&r2nm_single_cluster->cl_nodes_lock); +out: + return node; +} +EXPORT_SYMBOL_GPL(r2nm_get_node_by_num); + +int r2nm_configured_node_map(unsigned long *map, unsigned bytes) +{ + struct r2nm_cluster *cluster = r2nm_single_cluster; + + BUG_ON(bytes < (sizeof(cluster->cl_nodes_bitmap))); + + if (cluster == NULL) + return -EINVAL; + + read_lock(&cluster->cl_nodes_lock); + memcpy(map, cluster->cl_nodes_bitmap, sizeof(cluster->cl_nodes_bitmap)); + read_unlock(&cluster->cl_nodes_lock); + + return 0; +} +EXPORT_SYMBOL_GPL(r2nm_configured_node_map); + +static struct r2nm_node *r2nm_node_ip_tree_lookup(struct r2nm_cluster *cluster, + __be32 ip_needle, + struct rb_node ***ret_p, + struct rb_node **ret_parent) +{ + struct rb_node **p = &cluster->cl_node_ip_tree.rb_node; + struct rb_node *parent = NULL; + struct r2nm_node *node, *ret = NULL; + + while (*p) { + int cmp; + + parent = *p; + node = rb_entry(parent, struct r2nm_node, nd_ip_node); + + cmp = memcmp(&ip_needle, &node->nd_ipv4_address, + sizeof(ip_needle)); + if (cmp < 0) + p = &(*p)->rb_left; + else if (cmp > 0) + p = &(*p)->rb_right; + else { + ret = node; + break; + } + } + + if (ret_p != NULL) + *ret_p = p; + if (ret_parent != NULL) + *ret_parent = parent; + + return ret; +} + +struct r2nm_node *r2nm_get_node_by_ip(__be32 addr) +{ + struct r2nm_node *node = NULL; + struct r2nm_cluster *cluster = r2nm_single_cluster; + + if (cluster == NULL) + goto out; + + read_lock(&cluster->cl_nodes_lock); + node = r2nm_node_ip_tree_lookup(cluster, addr, NULL, NULL); + if (node) + config_item_get(&node->nd_item); + read_unlock(&cluster->cl_nodes_lock); + +out: + return node; +} +EXPORT_SYMBOL_GPL(r2nm_get_node_by_ip); + +void r2nm_node_put(struct r2nm_node *node) +{ + config_item_put(&node->nd_item); +} +EXPORT_SYMBOL_GPL(r2nm_node_put); + +void r2nm_node_get(struct r2nm_node *node) +{ + config_item_get(&node->nd_item); +} +EXPORT_SYMBOL_GPL(r2nm_node_get); + +u8 r2nm_this_node(void) +{ + u8 node_num = R2NM_MAX_NODES; + + if (r2nm_single_cluster && r2nm_single_cluster->cl_has_local) + node_num = r2nm_single_cluster->cl_local_node; + + return node_num; +} +EXPORT_SYMBOL_GPL(r2nm_this_node); + +/* node configfs bits */ + +static struct r2nm_cluster *to_r2nm_cluster(struct config_item *item) +{ + return item ? + container_of(to_config_group(item), struct r2nm_cluster, + cl_group) + : NULL; +} + +static struct r2nm_node *to_r2nm_node(struct config_item *item) +{ + return item ? container_of(item, struct r2nm_node, nd_item) : NULL; +} + +static void r2nm_node_release(struct config_item *item) +{ + struct r2nm_node *node = to_r2nm_node(item); + kfree(node); +} + +static ssize_t r2nm_node_num_read(struct r2nm_node *node, char *page) +{ + return sprintf(page, "%d\n", node->nd_num); +} + +static struct r2nm_cluster *to_r2nm_cluster_from_node(struct r2nm_node *node) +{ + /* through the first node_set .parent + * mycluster/nodes/mynode == r2nm_cluster->r2nm_node_group->r2nm_node */ + return to_r2nm_cluster(node->nd_item.ci_parent->ci_parent); +} + +enum { + R2NM_NODE_ATTR_NUM = 0, + R2NM_NODE_ATTR_PORT, + R2NM_NODE_ATTR_ADDRESS, + R2NM_NODE_ATTR_LOCAL, +}; + +static ssize_t r2nm_node_num_write(struct r2nm_node *node, const char *page, + size_t count) +{ + struct r2nm_cluster *cluster = to_r2nm_cluster_from_node(node); + unsigned long tmp; + char *p = (char *)page; + int err; + + err = kstrtoul(p, 10, &tmp); + if (err) + return err; + + if (tmp >= R2NM_MAX_NODES) + return -ERANGE; + + /* once we're in the cl_nodes tree networking can look us up by + * node number and try to use our address and port attributes + * to connect to this node.. make sure that they've been set + * before writing the node attribute? */ + if (!test_bit(R2NM_NODE_ATTR_ADDRESS, &node->nd_set_attributes) || + !test_bit(R2NM_NODE_ATTR_PORT, &node->nd_set_attributes)) + return -EINVAL; /* XXX */ + + write_lock(&cluster->cl_nodes_lock); + if (cluster->cl_nodes[tmp]) + p = NULL; + else { + cluster->cl_nodes[tmp] = node; + node->nd_num = tmp; + set_bit(tmp, cluster->cl_nodes_bitmap); + } + write_unlock(&cluster->cl_nodes_lock); + if (p == NULL) + return -EEXIST; + + return count; +} +static ssize_t r2nm_node_ipv4_port_read(struct r2nm_node *node, char *page) +{ + return sprintf(page, "%u\n", ntohs(node->nd_ipv4_port)); +} + +static ssize_t r2nm_node_ipv4_port_write(struct r2nm_node *node, + const char *page, size_t count) +{ + unsigned long tmp; + char *p = (char *)page; + int err; + + err = kstrtoul(p, 10, &tmp); + if (err) + return err; + + if (tmp == 0) + return -EINVAL; + if (tmp >= (u16)-1) + return -ERANGE; + + node->nd_ipv4_port = htons(tmp); + + return count; +} + +static ssize_t r2nm_node_ipv4_address_read(struct r2nm_node *node, char *page) +{ + return sprintf(page, "%pI4\n", &node->nd_ipv4_address); +} + +static ssize_t r2nm_node_ipv4_address_write(struct r2nm_node *node, + const char *page, + size_t count) +{ + struct r2nm_cluster *cluster = to_r2nm_cluster_from_node(node); + int ret, i; + struct rb_node **p, *parent; + unsigned int octets[4]; + __be32 ipv4_addr = 0; + + ret = sscanf(page, "%3u.%3u.%3u.%3u", &octets[3], &octets[2], + &octets[1], &octets[0]); + if (ret != 4) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(octets); i++) { + if (octets[i] > 255) + return -ERANGE; + be32_add_cpu(&ipv4_addr, octets[i] << (i * 8)); + } + + ret = 0; + write_lock(&cluster->cl_nodes_lock); + if (r2nm_node_ip_tree_lookup(cluster, ipv4_addr, &p, &parent)) + ret = -EEXIST; + else { + rb_link_node(&node->nd_ip_node, parent, p); + rb_insert_color(&node->nd_ip_node, &cluster->cl_node_ip_tree); + } + write_unlock(&cluster->cl_nodes_lock); + if (ret) + return ret; + + memcpy(&node->nd_ipv4_address, &ipv4_addr, sizeof(ipv4_addr)); + + return count; +} + +static ssize_t r2nm_node_local_read(struct r2nm_node *node, char *page) +{ + return sprintf(page, "%d\n", node->nd_local); +} + +static ssize_t r2nm_node_local_write(struct r2nm_node *node, const char *page, + size_t count) +{ + struct r2nm_cluster *cluster = to_r2nm_cluster_from_node(node); + unsigned long tmp; + char *p = (char *)page; + ssize_t ret; + int err; + + err = kstrtoul(p, 10, &tmp); + if (err) + return err; + + tmp = !!tmp; /* boolean of whether this node wants to be local */ + + /* setting local turns on networking rx for now so we require having + * set everything else first */ + if (!test_bit(R2NM_NODE_ATTR_ADDRESS, &node->nd_set_attributes) || + !test_bit(R2NM_NODE_ATTR_NUM, &node->nd_set_attributes) || + !test_bit(R2NM_NODE_ATTR_PORT, &node->nd_set_attributes)) + return -EINVAL; /* XXX */ + + /* the only failure case is trying to set a new local node + * when a different one is already set */ + if (tmp && tmp == cluster->cl_has_local && + cluster->cl_local_node != node->nd_num) + return -EBUSY; + + /* bring up the rx thread if we're setting the new local node. */ + if (tmp && !cluster->cl_has_local) { + ret = r2net_start_listening(node); + if (ret) + return ret; + } + + if (!tmp && cluster->cl_has_local && + cluster->cl_local_node == node->nd_num) { + r2net_stop_listening(node); + cluster->cl_local_node = R2NM_INVALID_NODE_NUM; + } + + node->nd_local = tmp; + if (node->nd_local) { + cluster->cl_has_local = tmp; + cluster->cl_local_node = node->nd_num; + } + + return count; +} + +struct r2nm_node_attribute { + struct configfs_attribute attr; + ssize_t (*show)(struct r2nm_node *, char *); + ssize_t (*store)(struct r2nm_node *, const char *, size_t); +}; + +static struct r2nm_node_attribute r2nm_node_attr_num = { + .attr = { .ca_owner = THIS_MODULE, + .ca_name = "num", + .ca_mode = S_IRUGO | S_IWUSR }, + .show = r2nm_node_num_read, + .store = r2nm_node_num_write, +}; + +static struct r2nm_node_attribute r2nm_node_attr_ipv4_port = { + .attr = { .ca_owner = THIS_MODULE, + .ca_name = "ipv4_port", + .ca_mode = S_IRUGO | S_IWUSR }, + .show = r2nm_node_ipv4_port_read, + .store = r2nm_node_ipv4_port_write, +}; + +static struct r2nm_node_attribute r2nm_node_attr_ipv4_address = { + .attr = { .ca_owner = THIS_MODULE, + .ca_name = "ipv4_address", + .ca_mode = S_IRUGO | S_IWUSR }, + .show = r2nm_node_ipv4_address_read, + .store = r2nm_node_ipv4_address_write, +}; + +static struct r2nm_node_attribute r2nm_node_attr_local = { + .attr = { .ca_owner = THIS_MODULE, + .ca_name = "local", + .ca_mode = S_IRUGO | S_IWUSR }, + .show = r2nm_node_local_read, + .store = r2nm_node_local_write, +}; + +static struct configfs_attribute *r2nm_node_attrs[] = { + [R2NM_NODE_ATTR_NUM] = &r2nm_node_attr_num.attr, + [R2NM_NODE_ATTR_PORT] = &r2nm_node_attr_ipv4_port.attr, + [R2NM_NODE_ATTR_ADDRESS] = &r2nm_node_attr_ipv4_address.attr, + [R2NM_NODE_ATTR_LOCAL] = &r2nm_node_attr_local.attr, + NULL, +}; + +static int r2nm_attr_index(struct configfs_attribute *attr) +{ + int i; + for (i = 0; i < ARRAY_SIZE(r2nm_node_attrs); i++) { + if (attr == r2nm_node_attrs[i]) + return i; + } + BUG(); + return 0; +} + +static ssize_t r2nm_node_show(struct config_item *item, + struct configfs_attribute *attr, + char *page) +{ + struct r2nm_node *node = to_r2nm_node(item); + struct r2nm_node_attribute *r2nm_node_attr = + container_of(attr, struct r2nm_node_attribute, attr); + ssize_t ret = 0; + + if (r2nm_node_attr->show) + ret = r2nm_node_attr->show(node, page); + return ret; +} + +static ssize_t r2nm_node_store(struct config_item *item, + struct configfs_attribute *attr, + const char *page, size_t count) +{ + struct r2nm_node *node = to_r2nm_node(item); + struct r2nm_node_attribute *r2nm_node_attr = + container_of(attr, struct r2nm_node_attribute, attr); + ssize_t ret; + int attr_index = r2nm_attr_index(attr); + + if (r2nm_node_attr->store == NULL) { + ret = -EINVAL; + goto out; + } + + if (test_bit(attr_index, &node->nd_set_attributes)) + return -EBUSY; + + ret = r2nm_node_attr->store(node, page, count); + if (ret < count) + goto out; + + set_bit(attr_index, &node->nd_set_attributes); +out: + return ret; +} + +static struct configfs_item_operations r2nm_node_item_ops = { + .release = r2nm_node_release, + .show_attribute = r2nm_node_show, + .store_attribute = r2nm_node_store, +}; + +static struct config_item_type r2nm_node_type = { + .ct_item_ops = &r2nm_node_item_ops, + .ct_attrs = r2nm_node_attrs, + .ct_owner = THIS_MODULE, +}; + +/* node set */ + +struct r2nm_node_group { + struct config_group ns_group; + /* some stuff? */ +}; + +#if 0 +static struct r2nm_node_group *to_r2nm_node_group(struct config_group *group) +{ + return group ? + container_of(group, struct r2nm_node_group, ns_group) + : NULL; +} +#endif + +struct r2nm_cluster_attribute { + struct configfs_attribute attr; + ssize_t (*show)(struct r2nm_cluster *, char *); + ssize_t (*store)(struct r2nm_cluster *, const char *, size_t); +}; + +static ssize_t r2nm_cluster_attr_write(const char *page, ssize_t count, + unsigned int *val) +{ + unsigned long tmp; + char *p = (char *)page; + int err; + + err = kstrtoul(p, 10, &tmp); + if (err) + return err; + + if (tmp == 0) + return -EINVAL; + if (tmp >= (u32)-1) + return -ERANGE; + + *val = tmp; + + return count; +} + +static ssize_t r2nm_cluster_attr_idle_timeout_ms_read( + struct r2nm_cluster *cluster, char *page) +{ + return sprintf(page, "%u\n", cluster->cl_idle_timeout_ms); +} + +static ssize_t r2nm_cluster_attr_idle_timeout_ms_write( + struct r2nm_cluster *cluster, const char *page, size_t count) +{ + ssize_t ret; + unsigned int val = 0; + + ret = r2nm_cluster_attr_write(page, count, &val); + + if (ret > 0) { + if (cluster->cl_idle_timeout_ms != val + && r2net_num_connected_peers()) { + mlog(ML_NOTICE, + "r2net: cannot change idle timeout after " + "the first peer has agreed to it." + " %d connected peers\n", + r2net_num_connected_peers()); + ret = -EINVAL; + } else if (val <= cluster->cl_keepalive_delay_ms) { + mlog(ML_NOTICE, "r2net: idle timeout must be larger " + "than keepalive delay\n"); + ret = -EINVAL; + } else { + cluster->cl_idle_timeout_ms = val; + } + } + + return ret; +} + +static ssize_t r2nm_cluster_attr_keepalive_delay_ms_read( + struct r2nm_cluster *cluster, char *page) +{ + return sprintf(page, "%u\n", cluster->cl_keepalive_delay_ms); +} + +static ssize_t r2nm_cluster_attr_keepalive_delay_ms_write( + struct r2nm_cluster *cluster, const char *page, size_t count) +{ + ssize_t ret; + unsigned int val = 0; + + ret = r2nm_cluster_attr_write(page, count, &val); + + if (ret > 0) { + if (cluster->cl_keepalive_delay_ms != val + && r2net_num_connected_peers()) { + mlog(ML_NOTICE, + "r2net: cannot change keepalive delay after" + " the first peer has agreed to it." + " %d connected peers\n", + r2net_num_connected_peers()); + ret = -EINVAL; + } else if (val >= cluster->cl_idle_timeout_ms) { + mlog(ML_NOTICE, "r2net: keepalive delay must be " + "smaller than idle timeout\n"); + ret = -EINVAL; + } else { + cluster->cl_keepalive_delay_ms = val; + } + } + + return ret; +} + +static ssize_t r2nm_cluster_attr_reconnect_delay_ms_read( + struct r2nm_cluster *cluster, char *page) +{ + return sprintf(page, "%u\n", cluster->cl_reconnect_delay_ms); +} + +static ssize_t r2nm_cluster_attr_reconnect_delay_ms_write( + struct r2nm_cluster *cluster, const char *page, size_t count) +{ + return r2nm_cluster_attr_write(page, count, + &cluster->cl_reconnect_delay_ms); +} + +static ssize_t r2nm_cluster_attr_fence_method_read( + struct r2nm_cluster *cluster, char *page) +{ + ssize_t ret = 0; + + if (cluster) + ret = sprintf(page, "%s\n", + r2nm_fence_method_desc[cluster->cl_fence_method]); + return ret; +} + +static ssize_t r2nm_cluster_attr_fence_method_write( + struct r2nm_cluster *cluster, const char *page, size_t count) +{ + unsigned int i; + + if (page[count - 1] != '\n') + goto bail; + + for (i = 0; i < R2NM_FENCE_METHODS; ++i) { + if (count != strlen(r2nm_fence_method_desc[i]) + 1) + continue; + if (strncasecmp(page, r2nm_fence_method_desc[i], count - 1)) + continue; + if (cluster->cl_fence_method != i) { + printk(KERN_INFO "ramster: Changing fence method to %s\n", + r2nm_fence_method_desc[i]); + cluster->cl_fence_method = i; + } + return count; + } + +bail: + return -EINVAL; +} + +static struct r2nm_cluster_attribute r2nm_cluster_attr_idle_timeout_ms = { + .attr = { .ca_owner = THIS_MODULE, + .ca_name = "idle_timeout_ms", + .ca_mode = S_IRUGO | S_IWUSR }, + .show = r2nm_cluster_attr_idle_timeout_ms_read, + .store = r2nm_cluster_attr_idle_timeout_ms_write, +}; + +static struct r2nm_cluster_attribute r2nm_cluster_attr_keepalive_delay_ms = { + .attr = { .ca_owner = THIS_MODULE, + .ca_name = "keepalive_delay_ms", + .ca_mode = S_IRUGO | S_IWUSR }, + .show = r2nm_cluster_attr_keepalive_delay_ms_read, + .store = r2nm_cluster_attr_keepalive_delay_ms_write, +}; + +static struct r2nm_cluster_attribute r2nm_cluster_attr_reconnect_delay_ms = { + .attr = { .ca_owner = THIS_MODULE, + .ca_name = "reconnect_delay_ms", + .ca_mode = S_IRUGO | S_IWUSR }, + .show = r2nm_cluster_attr_reconnect_delay_ms_read, + .store = r2nm_cluster_attr_reconnect_delay_ms_write, +}; + +static struct r2nm_cluster_attribute r2nm_cluster_attr_fence_method = { + .attr = { .ca_owner = THIS_MODULE, + .ca_name = "fence_method", + .ca_mode = S_IRUGO | S_IWUSR }, + .show = r2nm_cluster_attr_fence_method_read, + .store = r2nm_cluster_attr_fence_method_write, +}; + +static struct configfs_attribute *r2nm_cluster_attrs[] = { + &r2nm_cluster_attr_idle_timeout_ms.attr, + &r2nm_cluster_attr_keepalive_delay_ms.attr, + &r2nm_cluster_attr_reconnect_delay_ms.attr, + &r2nm_cluster_attr_fence_method.attr, + NULL, +}; +static ssize_t r2nm_cluster_show(struct config_item *item, + struct configfs_attribute *attr, + char *page) +{ + struct r2nm_cluster *cluster = to_r2nm_cluster(item); + struct r2nm_cluster_attribute *r2nm_cluster_attr = + container_of(attr, struct r2nm_cluster_attribute, attr); + ssize_t ret = 0; + + if (r2nm_cluster_attr->show) + ret = r2nm_cluster_attr->show(cluster, page); + return ret; +} + +static ssize_t r2nm_cluster_store(struct config_item *item, + struct configfs_attribute *attr, + const char *page, size_t count) +{ + struct r2nm_cluster *cluster = to_r2nm_cluster(item); + struct r2nm_cluster_attribute *r2nm_cluster_attr = + container_of(attr, struct r2nm_cluster_attribute, attr); + ssize_t ret; + + if (r2nm_cluster_attr->store == NULL) { + ret = -EINVAL; + goto out; + } + + ret = r2nm_cluster_attr->store(cluster, page, count); + if (ret < count) + goto out; +out: + return ret; +} + +static struct config_item *r2nm_node_group_make_item(struct config_group *group, + const char *name) +{ + struct r2nm_node *node = NULL; + + if (strlen(name) > R2NM_MAX_NAME_LEN) + return ERR_PTR(-ENAMETOOLONG); + + node = kzalloc(sizeof(struct r2nm_node), GFP_KERNEL); + if (node == NULL) + return ERR_PTR(-ENOMEM); + + strcpy(node->nd_name, name); /* use item.ci_namebuf instead? */ + config_item_init_type_name(&node->nd_item, name, &r2nm_node_type); + spin_lock_init(&node->nd_lock); + + mlog(ML_CLUSTER, "r2nm: Registering node %s\n", name); + + return &node->nd_item; +} + +static void r2nm_node_group_drop_item(struct config_group *group, + struct config_item *item) +{ + struct r2nm_node *node = to_r2nm_node(item); + struct r2nm_cluster *cluster = + to_r2nm_cluster(group->cg_item.ci_parent); + + r2net_disconnect_node(node); + + if (cluster->cl_has_local && + (cluster->cl_local_node == node->nd_num)) { + cluster->cl_has_local = 0; + cluster->cl_local_node = R2NM_INVALID_NODE_NUM; + r2net_stop_listening(node); + } + + /* XXX call into net to stop this node from trading messages */ + + write_lock(&cluster->cl_nodes_lock); + + /* XXX sloppy */ + if (node->nd_ipv4_address) + rb_erase(&node->nd_ip_node, &cluster->cl_node_ip_tree); + + /* nd_num might be 0 if the node number hasn't been set.. */ + if (cluster->cl_nodes[node->nd_num] == node) { + cluster->cl_nodes[node->nd_num] = NULL; + clear_bit(node->nd_num, cluster->cl_nodes_bitmap); + } + write_unlock(&cluster->cl_nodes_lock); + + mlog(ML_CLUSTER, "r2nm: Unregistered node %s\n", + config_item_name(&node->nd_item)); + + config_item_put(item); +} + +static struct configfs_group_operations r2nm_node_group_group_ops = { + .make_item = r2nm_node_group_make_item, + .drop_item = r2nm_node_group_drop_item, +}; + +static struct config_item_type r2nm_node_group_type = { + .ct_group_ops = &r2nm_node_group_group_ops, + .ct_owner = THIS_MODULE, +}; + +/* cluster */ + +static void r2nm_cluster_release(struct config_item *item) +{ + struct r2nm_cluster *cluster = to_r2nm_cluster(item); + + kfree(cluster->cl_group.default_groups); + kfree(cluster); +} + +static struct configfs_item_operations r2nm_cluster_item_ops = { + .release = r2nm_cluster_release, + .show_attribute = r2nm_cluster_show, + .store_attribute = r2nm_cluster_store, +}; + +static struct config_item_type r2nm_cluster_type = { + .ct_item_ops = &r2nm_cluster_item_ops, + .ct_attrs = r2nm_cluster_attrs, + .ct_owner = THIS_MODULE, +}; + +/* cluster set */ + +struct r2nm_cluster_group { + struct configfs_subsystem cs_subsys; + /* some stuff? */ +}; + +#if 0 +static struct r2nm_cluster_group * +to_r2nm_cluster_group(struct config_group *group) +{ + return group ? + container_of(to_configfs_subsystem(group), + struct r2nm_cluster_group, cs_subsys) + : NULL; +} +#endif + +static struct config_group * +r2nm_cluster_group_make_group(struct config_group *group, + const char *name) +{ + struct r2nm_cluster *cluster = NULL; + struct r2nm_node_group *ns = NULL; + struct config_group *r2hb_group = NULL, *ret = NULL; + void *defs = NULL; + + /* this runs under the parent dir's i_mutex; there can be only + * one caller in here at a time */ + if (r2nm_single_cluster) + return ERR_PTR(-ENOSPC); + + cluster = kzalloc(sizeof(struct r2nm_cluster), GFP_KERNEL); + ns = kzalloc(sizeof(struct r2nm_node_group), GFP_KERNEL); + defs = kcalloc(3, sizeof(struct config_group *), GFP_KERNEL); + r2hb_group = r2hb_alloc_hb_set(); + if (cluster == NULL || ns == NULL || r2hb_group == NULL || defs == NULL) + goto out; + + config_group_init_type_name(&cluster->cl_group, name, + &r2nm_cluster_type); + config_group_init_type_name(&ns->ns_group, "node", + &r2nm_node_group_type); + + cluster->cl_group.default_groups = defs; + cluster->cl_group.default_groups[0] = &ns->ns_group; + cluster->cl_group.default_groups[1] = r2hb_group; + cluster->cl_group.default_groups[2] = NULL; + rwlock_init(&cluster->cl_nodes_lock); + cluster->cl_node_ip_tree = RB_ROOT; + cluster->cl_reconnect_delay_ms = R2NET_RECONNECT_DELAY_MS_DEFAULT; + cluster->cl_idle_timeout_ms = R2NET_IDLE_TIMEOUT_MS_DEFAULT; + cluster->cl_keepalive_delay_ms = R2NET_KEEPALIVE_DELAY_MS_DEFAULT; + cluster->cl_fence_method = R2NM_FENCE_RESET; + + ret = &cluster->cl_group; + r2nm_single_cluster = cluster; + +out: + if (ret == NULL) { + kfree(cluster); + kfree(ns); + r2hb_free_hb_set(r2hb_group); + kfree(defs); + ret = ERR_PTR(-ENOMEM); + } + + return ret; +} + +static void r2nm_cluster_group_drop_item(struct config_group *group, + struct config_item *item) +{ + struct r2nm_cluster *cluster = to_r2nm_cluster(item); + int i; + struct config_item *killme; + + BUG_ON(r2nm_single_cluster != cluster); + r2nm_single_cluster = NULL; + + for (i = 0; cluster->cl_group.default_groups[i]; i++) { + killme = &cluster->cl_group.default_groups[i]->cg_item; + cluster->cl_group.default_groups[i] = NULL; + config_item_put(killme); + } + + config_item_put(item); +} + +static struct configfs_group_operations r2nm_cluster_group_group_ops = { + .make_group = r2nm_cluster_group_make_group, + .drop_item = r2nm_cluster_group_drop_item, +}; + +static struct config_item_type r2nm_cluster_group_type = { + .ct_group_ops = &r2nm_cluster_group_group_ops, + .ct_owner = THIS_MODULE, +}; + +static struct r2nm_cluster_group r2nm_cluster_group = { + .cs_subsys = { + .su_group = { + .cg_item = { + .ci_namebuf = "cluster", + .ci_type = &r2nm_cluster_group_type, + }, + }, + }, +}; + +int r2nm_depend_item(struct config_item *item) +{ + return configfs_depend_item(&r2nm_cluster_group.cs_subsys, item); +} + +void r2nm_undepend_item(struct config_item *item) +{ + configfs_undepend_item(&r2nm_cluster_group.cs_subsys, item); +} + +int r2nm_depend_this_node(void) +{ + int ret = 0; + struct r2nm_node *local_node; + + local_node = r2nm_get_node_by_num(r2nm_this_node()); + if (!local_node) { + ret = -EINVAL; + goto out; + } + + ret = r2nm_depend_item(&local_node->nd_item); + r2nm_node_put(local_node); + +out: + return ret; +} + +void r2nm_undepend_this_node(void) +{ + struct r2nm_node *local_node; + + local_node = r2nm_get_node_by_num(r2nm_this_node()); + BUG_ON(!local_node); + + r2nm_undepend_item(&local_node->nd_item); + r2nm_node_put(local_node); +} + + +static void __exit exit_r2nm(void) +{ + /* XXX sync with hb callbacks and shut down hb? */ + r2net_unregister_hb_callbacks(); + configfs_unregister_subsystem(&r2nm_cluster_group.cs_subsys); + + r2net_exit(); + r2hb_exit(); +} + +static int __init init_r2nm(void) +{ + int ret = -1; + + ret = r2hb_init(); + if (ret) + goto out; + + ret = r2net_init(); + if (ret) + goto out_r2hb; + + ret = r2net_register_hb_callbacks(); + if (ret) + goto out_r2net; + + config_group_init(&r2nm_cluster_group.cs_subsys.su_group); + mutex_init(&r2nm_cluster_group.cs_subsys.su_mutex); + ret = configfs_register_subsystem(&r2nm_cluster_group.cs_subsys); + if (ret) { + printk(KERN_ERR "nodemanager: Registration returned %d\n", ret); + goto out_callbacks; + } + + if (!ret) + goto out; + + configfs_unregister_subsystem(&r2nm_cluster_group.cs_subsys); +out_callbacks: + r2net_unregister_hb_callbacks(); +out_r2net: + r2net_exit(); +out_r2hb: + r2hb_exit(); +out: + return ret; +} + +MODULE_AUTHOR("Oracle"); +MODULE_LICENSE("GPL"); + +module_init(init_r2nm) +module_exit(exit_r2nm) diff --git a/drivers/staging/ramster/cluster/nodemanager.h b/drivers/staging/ramster/cluster/nodemanager.h new file mode 100644 index 00000000000..41a04df5842 --- /dev/null +++ b/drivers/staging/ramster/cluster/nodemanager.h @@ -0,0 +1,88 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * nodemanager.h + * + * Function prototypes + * + * Copyright (C) 2004 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + * + */ + +#ifndef R2CLUSTER_NODEMANAGER_H +#define R2CLUSTER_NODEMANAGER_H + +#include "ramster_nodemanager.h" + +/* This totally doesn't belong here. */ +#include <linux/configfs.h> +#include <linux/rbtree.h> + +enum r2nm_fence_method { + R2NM_FENCE_RESET = 0, + R2NM_FENCE_PANIC, + R2NM_FENCE_METHODS, /* Number of fence methods */ +}; + +struct r2nm_node { + spinlock_t nd_lock; + struct config_item nd_item; + char nd_name[R2NM_MAX_NAME_LEN+1]; /* replace? */ + __u8 nd_num; + /* only one address per node, as attributes, for now. */ + __be32 nd_ipv4_address; + __be16 nd_ipv4_port; + struct rb_node nd_ip_node; + /* there can be only one local node for now */ + int nd_local; + + unsigned long nd_set_attributes; +}; + +struct r2nm_cluster { + struct config_group cl_group; + unsigned cl_has_local:1; + u8 cl_local_node; + rwlock_t cl_nodes_lock; + struct r2nm_node *cl_nodes[R2NM_MAX_NODES]; + struct rb_root cl_node_ip_tree; + unsigned int cl_idle_timeout_ms; + unsigned int cl_keepalive_delay_ms; + unsigned int cl_reconnect_delay_ms; + enum r2nm_fence_method cl_fence_method; + + /* part of a hack for disk bitmap.. will go eventually. - zab */ + unsigned long cl_nodes_bitmap[BITS_TO_LONGS(R2NM_MAX_NODES)]; +}; + +extern struct r2nm_cluster *r2nm_single_cluster; + +u8 r2nm_this_node(void); + +int r2nm_configured_node_map(unsigned long *map, unsigned bytes); +struct r2nm_node *r2nm_get_node_by_num(u8 node_num); +struct r2nm_node *r2nm_get_node_by_ip(__be32 addr); +void r2nm_node_get(struct r2nm_node *node); +void r2nm_node_put(struct r2nm_node *node); + +int r2nm_depend_item(struct config_item *item); +void r2nm_undepend_item(struct config_item *item); +int r2nm_depend_this_node(void); +void r2nm_undepend_this_node(void); + +#endif /* R2CLUSTER_NODEMANAGER_H */ diff --git a/drivers/staging/ramster/cluster/ramster_nodemanager.h b/drivers/staging/ramster/cluster/ramster_nodemanager.h new file mode 100644 index 00000000000..49f879d943a --- /dev/null +++ b/drivers/staging/ramster/cluster/ramster_nodemanager.h @@ -0,0 +1,39 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * ramster_nodemanager.h + * + * Header describing the interface between userspace and the kernel + * for the ramster_nodemanager module. + * + * Copyright (C) 2002, 2004, 2012 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + * + */ + +#ifndef _RAMSTER_NODEMANAGER_H +#define _RAMSTER_NODEMANAGER_H + +#define R2NM_API_VERSION 5 + +#define R2NM_MAX_NODES 255 +#define R2NM_INVALID_NODE_NUM 255 + +/* host name, group name, cluster name all 64 bytes */ +#define R2NM_MAX_NAME_LEN 64 /* __NEW_UTS_LEN */ + +#endif /* _RAMSTER_NODEMANAGER_H */ diff --git a/drivers/staging/ramster/cluster/tcp.c b/drivers/staging/ramster/cluster/tcp.c new file mode 100644 index 00000000000..3af1b2c51b7 --- /dev/null +++ b/drivers/staging/ramster/cluster/tcp.c @@ -0,0 +1,2256 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * Copyright (C) 2004 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + * + * ---- + * + * Callers for this were originally written against a very simple synchronus + * API. This implementation reflects those simple callers. Some day I'm sure + * we'll need to move to a more robust posting/callback mechanism. + * + * Transmit calls pass in kernel virtual addresses and block copying this into + * the socket's tx buffers via a usual blocking sendmsg. They'll block waiting + * for a failed socket to timeout. TX callers can also pass in a poniter to an + * 'int' which gets filled with an errno off the wire in response to the + * message they send. + * + * Handlers for unsolicited messages are registered. Each socket has a page + * that incoming data is copied into. First the header, then the data. + * Handlers are called from only one thread with a reference to this per-socket + * page. This page is destroyed after the handler call, so it can't be + * referenced beyond the call. Handlers may block but are discouraged from + * doing so. + * + * Any framing errors (bad magic, large payload lengths) close a connection. + * + * Our sock_container holds the state we associate with a socket. It's current + * framing state is held there as well as the refcounting we do around when it + * is safe to tear down the socket. The socket is only finally torn down from + * the container when the container loses all of its references -- so as long + * as you hold a ref on the container you can trust that the socket is valid + * for use with kernel socket APIs. + * + * Connections are initiated between a pair of nodes when the node with the + * higher node number gets a heartbeat callback which indicates that the lower + * numbered node has started heartbeating. The lower numbered node is passive + * and only accepts the connection if the higher numbered node is heartbeating. + */ + +#include <linux/kernel.h> +#include <linux/jiffies.h> +#include <linux/slab.h> +#include <linux/idr.h> +#include <linux/kref.h> +#include <linux/net.h> +#include <linux/export.h> +#include <linux/uaccess.h> +#include <net/tcp.h> + + +#include "heartbeat.h" +#include "tcp.h" +#include "nodemanager.h" +#define MLOG_MASK_PREFIX ML_TCP +#include "masklog.h" + +#include "tcp_internal.h" + +#define SC_NODEF_FMT "node %s (num %u) at %pI4:%u" + +/* + * In the following two log macros, the whitespace after the ',' just + * before ##args is intentional. Otherwise, gcc 2.95 will eat the + * previous token if args expands to nothing. + */ +#define msglog(hdr, fmt, args...) do { \ + typeof(hdr) __hdr = (hdr); \ + mlog(ML_MSG, "[mag %u len %u typ %u stat %d sys_stat %d " \ + "key %08x num %u] " fmt, \ + be16_to_cpu(__hdr->magic), be16_to_cpu(__hdr->data_len), \ + be16_to_cpu(__hdr->msg_type), be32_to_cpu(__hdr->status), \ + be32_to_cpu(__hdr->sys_status), be32_to_cpu(__hdr->key), \ + be32_to_cpu(__hdr->msg_num) , ##args); \ +} while (0) + +#define sclog(sc, fmt, args...) do { \ + typeof(sc) __sc = (sc); \ + mlog(ML_SOCKET, "[sc %p refs %d sock %p node %u page %p " \ + "pg_off %zu] " fmt, __sc, \ + atomic_read(&__sc->sc_kref.refcount), __sc->sc_sock, \ + __sc->sc_node->nd_num, __sc->sc_page, __sc->sc_page_off , \ + ##args); \ +} while (0) + +static DEFINE_RWLOCK(r2net_handler_lock); +static struct rb_root r2net_handler_tree = RB_ROOT; + +static struct r2net_node r2net_nodes[R2NM_MAX_NODES]; + +/* XXX someday we'll need better accounting */ +static struct socket *r2net_listen_sock; + +/* + * listen work is only queued by the listening socket callbacks on the + * r2net_wq. teardown detaches the callbacks before destroying the workqueue. + * quorum work is queued as sock containers are shutdown.. stop_listening + * tears down all the node's sock containers, preventing future shutdowns + * and queued quroum work, before canceling delayed quorum work and + * destroying the work queue. + */ +static struct workqueue_struct *r2net_wq; +static struct work_struct r2net_listen_work; + +static struct r2hb_callback_func r2net_hb_up, r2net_hb_down; +#define R2NET_HB_PRI 0x1 + +static struct r2net_handshake *r2net_hand; +static struct r2net_msg *r2net_keep_req, *r2net_keep_resp; + +static int r2net_sys_err_translations[R2NET_ERR_MAX] = { + [R2NET_ERR_NONE] = 0, + [R2NET_ERR_NO_HNDLR] = -ENOPROTOOPT, + [R2NET_ERR_OVERFLOW] = -EOVERFLOW, + [R2NET_ERR_DIED] = -EHOSTDOWN,}; + +/* can't quite avoid *all* internal declarations :/ */ +static void r2net_sc_connect_completed(struct work_struct *work); +static void r2net_rx_until_empty(struct work_struct *work); +static void r2net_shutdown_sc(struct work_struct *work); +static void r2net_listen_data_ready(struct sock *sk, int bytes); +static void r2net_sc_send_keep_req(struct work_struct *work); +static void r2net_idle_timer(unsigned long data); +static void r2net_sc_postpone_idle(struct r2net_sock_container *sc); +static void r2net_sc_reset_idle_timer(struct r2net_sock_container *sc); + +#ifdef CONFIG_DEBUG_FS +static void r2net_init_nst(struct r2net_send_tracking *nst, u32 msgtype, + u32 msgkey, struct task_struct *task, u8 node) +{ + INIT_LIST_HEAD(&nst->st_net_debug_item); + nst->st_task = task; + nst->st_msg_type = msgtype; + nst->st_msg_key = msgkey; + nst->st_node = node; +} + +static inline void r2net_set_nst_sock_time(struct r2net_send_tracking *nst) +{ + nst->st_sock_time = ktime_get(); +} + +static inline void r2net_set_nst_send_time(struct r2net_send_tracking *nst) +{ + nst->st_send_time = ktime_get(); +} + +static inline void r2net_set_nst_status_time(struct r2net_send_tracking *nst) +{ + nst->st_status_time = ktime_get(); +} + +static inline void r2net_set_nst_sock_container(struct r2net_send_tracking *nst, + struct r2net_sock_container *sc) +{ + nst->st_sc = sc; +} + +static inline void r2net_set_nst_msg_id(struct r2net_send_tracking *nst, + u32 msg_id) +{ + nst->st_id = msg_id; +} + +static inline void r2net_set_sock_timer(struct r2net_sock_container *sc) +{ + sc->sc_tv_timer = ktime_get(); +} + +static inline void r2net_set_data_ready_time(struct r2net_sock_container *sc) +{ + sc->sc_tv_data_ready = ktime_get(); +} + +static inline void r2net_set_advance_start_time(struct r2net_sock_container *sc) +{ + sc->sc_tv_advance_start = ktime_get(); +} + +static inline void r2net_set_advance_stop_time(struct r2net_sock_container *sc) +{ + sc->sc_tv_advance_stop = ktime_get(); +} + +static inline void r2net_set_func_start_time(struct r2net_sock_container *sc) +{ + sc->sc_tv_func_start = ktime_get(); +} + +static inline void r2net_set_func_stop_time(struct r2net_sock_container *sc) +{ + sc->sc_tv_func_stop = ktime_get(); +} + +#else /* CONFIG_DEBUG_FS */ +# define r2net_init_nst(a, b, c, d, e) +# define r2net_set_nst_sock_time(a) +# define r2net_set_nst_send_time(a) +# define r2net_set_nst_status_time(a) +# define r2net_set_nst_sock_container(a, b) +# define r2net_set_nst_msg_id(a, b) +# define r2net_set_sock_timer(a) +# define r2net_set_data_ready_time(a) +# define r2net_set_advance_start_time(a) +# define r2net_set_advance_stop_time(a) +# define r2net_set_func_start_time(a) +# define r2net_set_func_stop_time(a) +#endif /* CONFIG_DEBUG_FS */ + +#ifdef CONFIG_RAMSTER_FS_STATS +static ktime_t r2net_get_func_run_time(struct r2net_sock_container *sc) +{ + return ktime_sub(sc->sc_tv_func_stop, sc->sc_tv_func_start); +} + +static void r2net_update_send_stats(struct r2net_send_tracking *nst, + struct r2net_sock_container *sc) +{ + sc->sc_tv_status_total = ktime_add(sc->sc_tv_status_total, + ktime_sub(ktime_get(), + nst->st_status_time)); + sc->sc_tv_send_total = ktime_add(sc->sc_tv_send_total, + ktime_sub(nst->st_status_time, + nst->st_send_time)); + sc->sc_tv_acquiry_total = ktime_add(sc->sc_tv_acquiry_total, + ktime_sub(nst->st_send_time, + nst->st_sock_time)); + sc->sc_send_count++; +} + +static void r2net_update_recv_stats(struct r2net_sock_container *sc) +{ + sc->sc_tv_process_total = ktime_add(sc->sc_tv_process_total, + r2net_get_func_run_time(sc)); + sc->sc_recv_count++; +} + +#else + +# define r2net_update_send_stats(a, b) + +# define r2net_update_recv_stats(sc) + +#endif /* CONFIG_RAMSTER_FS_STATS */ + +static inline int r2net_reconnect_delay(void) +{ + return r2nm_single_cluster->cl_reconnect_delay_ms; +} + +static inline int r2net_keepalive_delay(void) +{ + return r2nm_single_cluster->cl_keepalive_delay_ms; +} + +static inline int r2net_idle_timeout(void) +{ + return r2nm_single_cluster->cl_idle_timeout_ms; +} + +static inline int r2net_sys_err_to_errno(enum r2net_system_error err) +{ + int trans; + BUG_ON(err >= R2NET_ERR_MAX); + trans = r2net_sys_err_translations[err]; + + /* Just in case we mess up the translation table above */ + BUG_ON(err != R2NET_ERR_NONE && trans == 0); + return trans; +} + +struct r2net_node *r2net_nn_from_num(u8 node_num) +{ + BUG_ON(node_num >= ARRAY_SIZE(r2net_nodes)); + return &r2net_nodes[node_num]; +} + +static u8 r2net_num_from_nn(struct r2net_node *nn) +{ + BUG_ON(nn == NULL); + return nn - r2net_nodes; +} + +/* ------------------------------------------------------------ */ + +static int r2net_prep_nsw(struct r2net_node *nn, struct r2net_status_wait *nsw) +{ + int ret = 0; + + do { + if (!idr_pre_get(&nn->nn_status_idr, GFP_ATOMIC)) { + ret = -EAGAIN; + break; + } + spin_lock(&nn->nn_lock); + ret = idr_get_new(&nn->nn_status_idr, nsw, &nsw->ns_id); + if (ret == 0) + list_add_tail(&nsw->ns_node_item, + &nn->nn_status_list); + spin_unlock(&nn->nn_lock); + } while (ret == -EAGAIN); + + if (ret == 0) { + init_waitqueue_head(&nsw->ns_wq); + nsw->ns_sys_status = R2NET_ERR_NONE; + nsw->ns_status = 0; + } + + return ret; +} + +static void r2net_complete_nsw_locked(struct r2net_node *nn, + struct r2net_status_wait *nsw, + enum r2net_system_error sys_status, + s32 status) +{ + assert_spin_locked(&nn->nn_lock); + + if (!list_empty(&nsw->ns_node_item)) { + list_del_init(&nsw->ns_node_item); + nsw->ns_sys_status = sys_status; + nsw->ns_status = status; + idr_remove(&nn->nn_status_idr, nsw->ns_id); + wake_up(&nsw->ns_wq); + } +} + +static void r2net_complete_nsw(struct r2net_node *nn, + struct r2net_status_wait *nsw, + u64 id, enum r2net_system_error sys_status, + s32 status) +{ + spin_lock(&nn->nn_lock); + if (nsw == NULL) { + if (id > INT_MAX) + goto out; + + nsw = idr_find(&nn->nn_status_idr, id); + if (nsw == NULL) + goto out; + } + + r2net_complete_nsw_locked(nn, nsw, sys_status, status); + +out: + spin_unlock(&nn->nn_lock); + return; +} + +static void r2net_complete_nodes_nsw(struct r2net_node *nn) +{ + struct r2net_status_wait *nsw, *tmp; + unsigned int num_kills = 0; + + assert_spin_locked(&nn->nn_lock); + + list_for_each_entry_safe(nsw, tmp, &nn->nn_status_list, ns_node_item) { + r2net_complete_nsw_locked(nn, nsw, R2NET_ERR_DIED, 0); + num_kills++; + } + + mlog(0, "completed %d messages for node %u\n", num_kills, + r2net_num_from_nn(nn)); +} + +static int r2net_nsw_completed(struct r2net_node *nn, + struct r2net_status_wait *nsw) +{ + int completed; + spin_lock(&nn->nn_lock); + completed = list_empty(&nsw->ns_node_item); + spin_unlock(&nn->nn_lock); + return completed; +} + +/* ------------------------------------------------------------ */ + +static void sc_kref_release(struct kref *kref) +{ + struct r2net_sock_container *sc = container_of(kref, + struct r2net_sock_container, sc_kref); + BUG_ON(timer_pending(&sc->sc_idle_timeout)); + + sclog(sc, "releasing\n"); + + if (sc->sc_sock) { + sock_release(sc->sc_sock); + sc->sc_sock = NULL; + } + + r2nm_undepend_item(&sc->sc_node->nd_item); + r2nm_node_put(sc->sc_node); + sc->sc_node = NULL; + + r2net_debug_del_sc(sc); + kfree(sc); +} + +static void sc_put(struct r2net_sock_container *sc) +{ + sclog(sc, "put\n"); + kref_put(&sc->sc_kref, sc_kref_release); +} +static void sc_get(struct r2net_sock_container *sc) +{ + sclog(sc, "get\n"); + kref_get(&sc->sc_kref); +} +static struct r2net_sock_container *sc_alloc(struct r2nm_node *node) +{ + struct r2net_sock_container *sc, *ret = NULL; + struct page *page = NULL; + int status = 0; + + page = alloc_page(GFP_NOFS); + sc = kzalloc(sizeof(*sc), GFP_NOFS); + if (sc == NULL || page == NULL) + goto out; + + kref_init(&sc->sc_kref); + r2nm_node_get(node); + sc->sc_node = node; + + /* pin the node item of the remote node */ + status = r2nm_depend_item(&node->nd_item); + if (status) { + mlog_errno(status); + r2nm_node_put(node); + goto out; + } + INIT_WORK(&sc->sc_connect_work, r2net_sc_connect_completed); + INIT_WORK(&sc->sc_rx_work, r2net_rx_until_empty); + INIT_WORK(&sc->sc_shutdown_work, r2net_shutdown_sc); + INIT_DELAYED_WORK(&sc->sc_keepalive_work, r2net_sc_send_keep_req); + + init_timer(&sc->sc_idle_timeout); + sc->sc_idle_timeout.function = r2net_idle_timer; + sc->sc_idle_timeout.data = (unsigned long)sc; + + sclog(sc, "alloced\n"); + + ret = sc; + sc->sc_page = page; + r2net_debug_add_sc(sc); + sc = NULL; + page = NULL; + +out: + if (page) + __free_page(page); + kfree(sc); + + return ret; +} + +/* ------------------------------------------------------------ */ + +static void r2net_sc_queue_work(struct r2net_sock_container *sc, + struct work_struct *work) +{ + sc_get(sc); + if (!queue_work(r2net_wq, work)) + sc_put(sc); +} +static void r2net_sc_queue_delayed_work(struct r2net_sock_container *sc, + struct delayed_work *work, + int delay) +{ + sc_get(sc); + if (!queue_delayed_work(r2net_wq, work, delay)) + sc_put(sc); +} +static void r2net_sc_cancel_delayed_work(struct r2net_sock_container *sc, + struct delayed_work *work) +{ + if (cancel_delayed_work(work)) + sc_put(sc); +} + +static atomic_t r2net_connected_peers = ATOMIC_INIT(0); + +int r2net_num_connected_peers(void) +{ + return atomic_read(&r2net_connected_peers); +} + +static void r2net_set_nn_state(struct r2net_node *nn, + struct r2net_sock_container *sc, + unsigned valid, int err) +{ + int was_valid = nn->nn_sc_valid; + int was_err = nn->nn_persistent_error; + struct r2net_sock_container *old_sc = nn->nn_sc; + + assert_spin_locked(&nn->nn_lock); + + if (old_sc && !sc) + atomic_dec(&r2net_connected_peers); + else if (!old_sc && sc) + atomic_inc(&r2net_connected_peers); + + /* the node num comparison and single connect/accept path should stop + * an non-null sc from being overwritten with another */ + BUG_ON(sc && nn->nn_sc && nn->nn_sc != sc); + mlog_bug_on_msg(err && valid, "err %d valid %u\n", err, valid); + mlog_bug_on_msg(valid && !sc, "valid %u sc %p\n", valid, sc); + + if (was_valid && !valid && err == 0) + err = -ENOTCONN; + + mlog(ML_CONN, "node %u sc: %p -> %p, valid %u -> %u, err %d -> %d\n", + r2net_num_from_nn(nn), nn->nn_sc, sc, nn->nn_sc_valid, valid, + nn->nn_persistent_error, err); + + nn->nn_sc = sc; + nn->nn_sc_valid = valid ? 1 : 0; + nn->nn_persistent_error = err; + + /* mirrors r2net_tx_can_proceed() */ + if (nn->nn_persistent_error || nn->nn_sc_valid) + wake_up(&nn->nn_sc_wq); + + if (!was_err && nn->nn_persistent_error) { + queue_delayed_work(r2net_wq, &nn->nn_still_up, + msecs_to_jiffies(R2NET_QUORUM_DELAY_MS)); + } + + if (was_valid && !valid) { + printk(KERN_NOTICE "ramster: No longer connected to " + SC_NODEF_FMT "\n", + old_sc->sc_node->nd_name, old_sc->sc_node->nd_num, + &old_sc->sc_node->nd_ipv4_address, + ntohs(old_sc->sc_node->nd_ipv4_port)); + r2net_complete_nodes_nsw(nn); + } + + if (!was_valid && valid) { + cancel_delayed_work(&nn->nn_connect_expired); + printk(KERN_NOTICE "ramster: %s " SC_NODEF_FMT "\n", + r2nm_this_node() > sc->sc_node->nd_num ? + "Connected to" : "Accepted connection from", + sc->sc_node->nd_name, sc->sc_node->nd_num, + &sc->sc_node->nd_ipv4_address, + ntohs(sc->sc_node->nd_ipv4_port)); + } + + /* trigger the connecting worker func as long as we're not valid, + * it will back off if it shouldn't connect. This can be called + * from node config teardown and so needs to be careful about + * the work queue actually being up. */ + if (!valid && r2net_wq) { + unsigned long delay; + /* delay if we're within a RECONNECT_DELAY of the + * last attempt */ + delay = (nn->nn_last_connect_attempt + + msecs_to_jiffies(r2net_reconnect_delay())) + - jiffies; + if (delay > msecs_to_jiffies(r2net_reconnect_delay())) + delay = 0; + mlog(ML_CONN, "queueing conn attempt in %lu jiffies\n", delay); + queue_delayed_work(r2net_wq, &nn->nn_connect_work, delay); + + /* + * Delay the expired work after idle timeout. + * + * We might have lots of failed connection attempts that run + * through here but we only cancel the connect_expired work when + * a connection attempt succeeds. So only the first enqueue of + * the connect_expired work will do anything. The rest will see + * that it's already queued and do nothing. + */ + delay += msecs_to_jiffies(r2net_idle_timeout()); + queue_delayed_work(r2net_wq, &nn->nn_connect_expired, delay); + } + + /* keep track of the nn's sc ref for the caller */ + if ((old_sc == NULL) && sc) + sc_get(sc); + if (old_sc && (old_sc != sc)) { + r2net_sc_queue_work(old_sc, &old_sc->sc_shutdown_work); + sc_put(old_sc); + } +} + +/* see r2net_register_callbacks() */ +static void r2net_data_ready(struct sock *sk, int bytes) +{ + void (*ready)(struct sock *sk, int bytes); + + read_lock(&sk->sk_callback_lock); + if (sk->sk_user_data) { + struct r2net_sock_container *sc = sk->sk_user_data; + sclog(sc, "data_ready hit\n"); + r2net_set_data_ready_time(sc); + r2net_sc_queue_work(sc, &sc->sc_rx_work); + ready = sc->sc_data_ready; + } else { + ready = sk->sk_data_ready; + } + read_unlock(&sk->sk_callback_lock); + + ready(sk, bytes); +} + +/* see r2net_register_callbacks() */ +static void r2net_state_change(struct sock *sk) +{ + void (*state_change)(struct sock *sk); + struct r2net_sock_container *sc; + + read_lock(&sk->sk_callback_lock); + sc = sk->sk_user_data; + if (sc == NULL) { + state_change = sk->sk_state_change; + goto out; + } + + sclog(sc, "state_change to %d\n", sk->sk_state); + + state_change = sc->sc_state_change; + + switch (sk->sk_state) { + + /* ignore connecting sockets as they make progress */ + case TCP_SYN_SENT: + case TCP_SYN_RECV: + break; + case TCP_ESTABLISHED: + r2net_sc_queue_work(sc, &sc->sc_connect_work); + break; + default: + printk(KERN_INFO "ramster: Connection to " + SC_NODEF_FMT " shutdown, state %d\n", + sc->sc_node->nd_name, sc->sc_node->nd_num, + &sc->sc_node->nd_ipv4_address, + ntohs(sc->sc_node->nd_ipv4_port), sk->sk_state); + r2net_sc_queue_work(sc, &sc->sc_shutdown_work); + break; + + } +out: + read_unlock(&sk->sk_callback_lock); + state_change(sk); +} + +/* + * we register callbacks so we can queue work on events before calling + * the original callbacks. our callbacks our careful to test user_data + * to discover when they've reaced with r2net_unregister_callbacks(). + */ +static void r2net_register_callbacks(struct sock *sk, + struct r2net_sock_container *sc) +{ + write_lock_bh(&sk->sk_callback_lock); + + /* accepted sockets inherit the old listen socket data ready */ + if (sk->sk_data_ready == r2net_listen_data_ready) { + sk->sk_data_ready = sk->sk_user_data; + sk->sk_user_data = NULL; + } + + BUG_ON(sk->sk_user_data != NULL); + sk->sk_user_data = sc; + sc_get(sc); + + sc->sc_data_ready = sk->sk_data_ready; + sc->sc_state_change = sk->sk_state_change; + sk->sk_data_ready = r2net_data_ready; + sk->sk_state_change = r2net_state_change; + + mutex_init(&sc->sc_send_lock); + + write_unlock_bh(&sk->sk_callback_lock); +} + +static int r2net_unregister_callbacks(struct sock *sk, + struct r2net_sock_container *sc) +{ + int ret = 0; + + write_lock_bh(&sk->sk_callback_lock); + if (sk->sk_user_data == sc) { + ret = 1; + sk->sk_user_data = NULL; + sk->sk_data_ready = sc->sc_data_ready; + sk->sk_state_change = sc->sc_state_change; + } + write_unlock_bh(&sk->sk_callback_lock); + + return ret; +} + +/* + * this is a little helper that is called by callers who have seen a problem + * with an sc and want to detach it from the nn if someone already hasn't beat + * them to it. if an error is given then the shutdown will be persistent + * and pending transmits will be canceled. + */ +static void r2net_ensure_shutdown(struct r2net_node *nn, + struct r2net_sock_container *sc, + int err) +{ + spin_lock(&nn->nn_lock); + if (nn->nn_sc == sc) + r2net_set_nn_state(nn, NULL, 0, err); + spin_unlock(&nn->nn_lock); +} + +/* + * This work queue function performs the blocking parts of socket shutdown. A + * few paths lead here. set_nn_state will trigger this callback if it sees an + * sc detached from the nn. state_change will also trigger this callback + * directly when it sees errors. In that case we need to call set_nn_state + * ourselves as state_change couldn't get the nn_lock and call set_nn_state + * itself. + */ +static void r2net_shutdown_sc(struct work_struct *work) +{ + struct r2net_sock_container *sc = + container_of(work, struct r2net_sock_container, + sc_shutdown_work); + struct r2net_node *nn = r2net_nn_from_num(sc->sc_node->nd_num); + + sclog(sc, "shutting down\n"); + + /* drop the callbacks ref and call shutdown only once */ + if (r2net_unregister_callbacks(sc->sc_sock->sk, sc)) { + /* we shouldn't flush as we're in the thread, the + * races with pending sc work structs are harmless */ + del_timer_sync(&sc->sc_idle_timeout); + r2net_sc_cancel_delayed_work(sc, &sc->sc_keepalive_work); + sc_put(sc); + kernel_sock_shutdown(sc->sc_sock, SHUT_RDWR); + } + + /* not fatal so failed connects before the other guy has our + * heartbeat can be retried */ + r2net_ensure_shutdown(nn, sc, 0); + sc_put(sc); +} + +/* ------------------------------------------------------------ */ + +static int r2net_handler_cmp(struct r2net_msg_handler *nmh, u32 msg_type, + u32 key) +{ + int ret = memcmp(&nmh->nh_key, &key, sizeof(key)); + + if (ret == 0) + ret = memcmp(&nmh->nh_msg_type, &msg_type, sizeof(msg_type)); + + return ret; +} + +static struct r2net_msg_handler * +r2net_handler_tree_lookup(u32 msg_type, u32 key, struct rb_node ***ret_p, + struct rb_node **ret_parent) +{ + struct rb_node **p = &r2net_handler_tree.rb_node; + struct rb_node *parent = NULL; + struct r2net_msg_handler *nmh, *ret = NULL; + int cmp; + + while (*p) { + parent = *p; + nmh = rb_entry(parent, struct r2net_msg_handler, nh_node); + cmp = r2net_handler_cmp(nmh, msg_type, key); + + if (cmp < 0) + p = &(*p)->rb_left; + else if (cmp > 0) + p = &(*p)->rb_right; + else { + ret = nmh; + break; + } + } + + if (ret_p != NULL) + *ret_p = p; + if (ret_parent != NULL) + *ret_parent = parent; + + return ret; +} + +static void r2net_handler_kref_release(struct kref *kref) +{ + struct r2net_msg_handler *nmh; + nmh = container_of(kref, struct r2net_msg_handler, nh_kref); + + kfree(nmh); +} + +static void r2net_handler_put(struct r2net_msg_handler *nmh) +{ + kref_put(&nmh->nh_kref, r2net_handler_kref_release); +} + +/* max_len is protection for the handler func. incoming messages won't + * be given to the handler if their payload is longer than the max. */ +int r2net_register_handler(u32 msg_type, u32 key, u32 max_len, + r2net_msg_handler_func *func, void *data, + r2net_post_msg_handler_func *post_func, + struct list_head *unreg_list) +{ + struct r2net_msg_handler *nmh = NULL; + struct rb_node **p, *parent; + int ret = 0; + + if (max_len > R2NET_MAX_PAYLOAD_BYTES) { + mlog(0, "max_len for message handler out of range: %u\n", + max_len); + ret = -EINVAL; + goto out; + } + + if (!msg_type) { + mlog(0, "no message type provided: %u, %p\n", msg_type, func); + ret = -EINVAL; + goto out; + + } + if (!func) { + mlog(0, "no message handler provided: %u, %p\n", + msg_type, func); + ret = -EINVAL; + goto out; + } + + nmh = kzalloc(sizeof(struct r2net_msg_handler), GFP_NOFS); + if (nmh == NULL) { + ret = -ENOMEM; + goto out; + } + + nmh->nh_func = func; + nmh->nh_func_data = data; + nmh->nh_post_func = post_func; + nmh->nh_msg_type = msg_type; + nmh->nh_max_len = max_len; + nmh->nh_key = key; + /* the tree and list get this ref.. they're both removed in + * unregister when this ref is dropped */ + kref_init(&nmh->nh_kref); + INIT_LIST_HEAD(&nmh->nh_unregister_item); + + write_lock(&r2net_handler_lock); + if (r2net_handler_tree_lookup(msg_type, key, &p, &parent)) + ret = -EEXIST; + else { + rb_link_node(&nmh->nh_node, parent, p); + rb_insert_color(&nmh->nh_node, &r2net_handler_tree); + list_add_tail(&nmh->nh_unregister_item, unreg_list); + + mlog(ML_TCP, "registered handler func %p type %u key %08x\n", + func, msg_type, key); + /* we've had some trouble with handlers seemingly vanishing. */ + mlog_bug_on_msg(r2net_handler_tree_lookup(msg_type, key, &p, + &parent) == NULL, + "couldn't find handler we *just* registered " + "for type %u key %08x\n", msg_type, key); + } + write_unlock(&r2net_handler_lock); + if (ret) + goto out; + +out: + if (ret) + kfree(nmh); + + return ret; +} +EXPORT_SYMBOL_GPL(r2net_register_handler); + +void r2net_unregister_handler_list(struct list_head *list) +{ + struct r2net_msg_handler *nmh, *n; + + write_lock(&r2net_handler_lock); + list_for_each_entry_safe(nmh, n, list, nh_unregister_item) { + mlog(ML_TCP, "unregistering handler func %p type %u key %08x\n", + nmh->nh_func, nmh->nh_msg_type, nmh->nh_key); + rb_erase(&nmh->nh_node, &r2net_handler_tree); + list_del_init(&nmh->nh_unregister_item); + kref_put(&nmh->nh_kref, r2net_handler_kref_release); + } + write_unlock(&r2net_handler_lock); +} +EXPORT_SYMBOL_GPL(r2net_unregister_handler_list); + +static struct r2net_msg_handler *r2net_handler_get(u32 msg_type, u32 key) +{ + struct r2net_msg_handler *nmh; + + read_lock(&r2net_handler_lock); + nmh = r2net_handler_tree_lookup(msg_type, key, NULL, NULL); + if (nmh) + kref_get(&nmh->nh_kref); + read_unlock(&r2net_handler_lock); + + return nmh; +} + +/* ------------------------------------------------------------ */ + +static int r2net_recv_tcp_msg(struct socket *sock, void *data, size_t len) +{ + int ret; + mm_segment_t oldfs; + struct kvec vec = { + .iov_len = len, + .iov_base = data, + }; + struct msghdr msg = { + .msg_iovlen = 1, + .msg_iov = (struct iovec *)&vec, + .msg_flags = MSG_DONTWAIT, + }; + + oldfs = get_fs(); + set_fs(get_ds()); + ret = sock_recvmsg(sock, &msg, len, msg.msg_flags); + set_fs(oldfs); + + return ret; +} + +static int r2net_send_tcp_msg(struct socket *sock, struct kvec *vec, + size_t veclen, size_t total) +{ + int ret; + mm_segment_t oldfs; + struct msghdr msg = { + .msg_iov = (struct iovec *)vec, + .msg_iovlen = veclen, + }; + + if (sock == NULL) { + ret = -EINVAL; + goto out; + } + + oldfs = get_fs(); + set_fs(get_ds()); + ret = sock_sendmsg(sock, &msg, total); + set_fs(oldfs); + if (ret != total) { + mlog(ML_ERROR, "sendmsg returned %d instead of %zu\n", ret, + total); + if (ret >= 0) + ret = -EPIPE; /* should be smarter, I bet */ + goto out; + } + + ret = 0; +out: + if (ret < 0) + mlog(0, "returning error: %d\n", ret); + return ret; +} + +static void r2net_sendpage(struct r2net_sock_container *sc, + void *kmalloced_virt, + size_t size) +{ + struct r2net_node *nn = r2net_nn_from_num(sc->sc_node->nd_num); + ssize_t ret; + + while (1) { + mutex_lock(&sc->sc_send_lock); + ret = sc->sc_sock->ops->sendpage(sc->sc_sock, + virt_to_page(kmalloced_virt), + (long)kmalloced_virt & ~PAGE_MASK, + size, MSG_DONTWAIT); + mutex_unlock(&sc->sc_send_lock); + if (ret == size) + break; + if (ret == (ssize_t)-EAGAIN) { + mlog(0, "sendpage of size %zu to " SC_NODEF_FMT + " returned EAGAIN\n", size, sc->sc_node->nd_name, + sc->sc_node->nd_num, + &sc->sc_node->nd_ipv4_address, + ntohs(sc->sc_node->nd_ipv4_port)); + cond_resched(); + continue; + } + mlog(ML_ERROR, "sendpage of size %zu to " SC_NODEF_FMT + " failed with %zd\n", size, sc->sc_node->nd_name, + sc->sc_node->nd_num, &sc->sc_node->nd_ipv4_address, + ntohs(sc->sc_node->nd_ipv4_port), ret); + r2net_ensure_shutdown(nn, sc, 0); + break; + } +} + +static void r2net_init_msg(struct r2net_msg *msg, u16 data_len, + u16 msg_type, u32 key) +{ + memset(msg, 0, sizeof(struct r2net_msg)); + msg->magic = cpu_to_be16(R2NET_MSG_MAGIC); + msg->data_len = cpu_to_be16(data_len); + msg->msg_type = cpu_to_be16(msg_type); + msg->sys_status = cpu_to_be32(R2NET_ERR_NONE); + msg->status = 0; + msg->key = cpu_to_be32(key); +} + +static int r2net_tx_can_proceed(struct r2net_node *nn, + struct r2net_sock_container **sc_ret, + int *error) +{ + int ret = 0; + + spin_lock(&nn->nn_lock); + if (nn->nn_persistent_error) { + ret = 1; + *sc_ret = NULL; + *error = nn->nn_persistent_error; + } else if (nn->nn_sc_valid) { + kref_get(&nn->nn_sc->sc_kref); + + ret = 1; + *sc_ret = nn->nn_sc; + *error = 0; + } + spin_unlock(&nn->nn_lock); + + return ret; +} + +/* Get a map of all nodes to which this node is currently connected to */ +void r2net_fill_node_map(unsigned long *map, unsigned bytes) +{ + struct r2net_sock_container *sc; + int node, ret; + + BUG_ON(bytes < (BITS_TO_LONGS(R2NM_MAX_NODES) * sizeof(unsigned long))); + + memset(map, 0, bytes); + for (node = 0; node < R2NM_MAX_NODES; ++node) { + r2net_tx_can_proceed(r2net_nn_from_num(node), &sc, &ret); + if (!ret) { + set_bit(node, map); + sc_put(sc); + } + } +} +EXPORT_SYMBOL_GPL(r2net_fill_node_map); + +int r2net_send_message_vec(u32 msg_type, u32 key, struct kvec *caller_vec, + size_t caller_veclen, u8 target_node, int *status) +{ + int ret = 0; + struct r2net_msg *msg = NULL; + size_t veclen, caller_bytes = 0; + struct kvec *vec = NULL; + struct r2net_sock_container *sc = NULL; + struct r2net_node *nn = r2net_nn_from_num(target_node); + struct r2net_status_wait nsw = { + .ns_node_item = LIST_HEAD_INIT(nsw.ns_node_item), + }; + struct r2net_send_tracking nst; + + /* this may be a general bug fix */ + init_waitqueue_head(&nsw.ns_wq); + + r2net_init_nst(&nst, msg_type, key, current, target_node); + + if (r2net_wq == NULL) { + mlog(0, "attempt to tx without r2netd running\n"); + ret = -ESRCH; + goto out; + } + + if (caller_veclen == 0) { + mlog(0, "bad kvec array length\n"); + ret = -EINVAL; + goto out; + } + + caller_bytes = iov_length((struct iovec *)caller_vec, caller_veclen); + if (caller_bytes > R2NET_MAX_PAYLOAD_BYTES) { + mlog(0, "total payload len %zu too large\n", caller_bytes); + ret = -EINVAL; + goto out; + } + + if (target_node == r2nm_this_node()) { + ret = -ELOOP; + goto out; + } + + r2net_debug_add_nst(&nst); + + r2net_set_nst_sock_time(&nst); + + wait_event(nn->nn_sc_wq, r2net_tx_can_proceed(nn, &sc, &ret)); + if (ret) + goto out; + + r2net_set_nst_sock_container(&nst, sc); + + veclen = caller_veclen + 1; + vec = kmalloc(sizeof(struct kvec) * veclen, GFP_ATOMIC); + if (vec == NULL) { + mlog(0, "failed to %zu element kvec!\n", veclen); + ret = -ENOMEM; + goto out; + } + + msg = kmalloc(sizeof(struct r2net_msg), GFP_ATOMIC); + if (!msg) { + mlog(0, "failed to allocate a r2net_msg!\n"); + ret = -ENOMEM; + goto out; + } + + r2net_init_msg(msg, caller_bytes, msg_type, key); + + vec[0].iov_len = sizeof(struct r2net_msg); + vec[0].iov_base = msg; + memcpy(&vec[1], caller_vec, caller_veclen * sizeof(struct kvec)); + + ret = r2net_prep_nsw(nn, &nsw); + if (ret) + goto out; + + msg->msg_num = cpu_to_be32(nsw.ns_id); + r2net_set_nst_msg_id(&nst, nsw.ns_id); + + r2net_set_nst_send_time(&nst); + + /* finally, convert the message header to network byte-order + * and send */ + mutex_lock(&sc->sc_send_lock); + ret = r2net_send_tcp_msg(sc->sc_sock, vec, veclen, + sizeof(struct r2net_msg) + caller_bytes); + mutex_unlock(&sc->sc_send_lock); + msglog(msg, "sending returned %d\n", ret); + if (ret < 0) { + mlog(0, "error returned from r2net_send_tcp_msg=%d\n", ret); + goto out; + } + + /* wait on other node's handler */ + r2net_set_nst_status_time(&nst); + wait_event(nsw.ns_wq, r2net_nsw_completed(nn, &nsw)); + + r2net_update_send_stats(&nst, sc); + + /* Note that we avoid overwriting the callers status return + * variable if a system error was reported on the other + * side. Callers beware. */ + ret = r2net_sys_err_to_errno(nsw.ns_sys_status); + if (status && !ret) + *status = nsw.ns_status; + + mlog(0, "woken, returning system status %d, user status %d\n", + ret, nsw.ns_status); +out: + r2net_debug_del_nst(&nst); /* must be before dropping sc and node */ + if (sc) + sc_put(sc); + kfree(vec); + kfree(msg); + r2net_complete_nsw(nn, &nsw, 0, 0, 0); + return ret; +} +EXPORT_SYMBOL_GPL(r2net_send_message_vec); + +int r2net_send_message(u32 msg_type, u32 key, void *data, u32 len, + u8 target_node, int *status) +{ + struct kvec vec = { + .iov_base = data, + .iov_len = len, + }; + return r2net_send_message_vec(msg_type, key, &vec, 1, + target_node, status); +} +EXPORT_SYMBOL_GPL(r2net_send_message); + +static int r2net_send_status_magic(struct socket *sock, struct r2net_msg *hdr, + enum r2net_system_error syserr, int err) +{ + struct kvec vec = { + .iov_base = hdr, + .iov_len = sizeof(struct r2net_msg), + }; + + BUG_ON(syserr >= R2NET_ERR_MAX); + + /* leave other fields intact from the incoming message, msg_num + * in particular */ + hdr->sys_status = cpu_to_be32(syserr); + hdr->status = cpu_to_be32(err); + /* twiddle the magic */ + hdr->magic = cpu_to_be16(R2NET_MSG_STATUS_MAGIC); + hdr->data_len = 0; + + msglog(hdr, "about to send status magic %d\n", err); + /* hdr has been in host byteorder this whole time */ + return r2net_send_tcp_msg(sock, &vec, 1, sizeof(struct r2net_msg)); +} + +/* + * "data magic" is a long version of "status magic" where the message + * payload actually contains data to be passed in reply to certain messages + */ +static int r2net_send_data_magic(struct r2net_sock_container *sc, + struct r2net_msg *hdr, + void *data, size_t data_len, + enum r2net_system_error syserr, int err) +{ + struct kvec vec[2]; + int ret; + + vec[0].iov_base = hdr; + vec[0].iov_len = sizeof(struct r2net_msg); + vec[1].iov_base = data; + vec[1].iov_len = data_len; + + BUG_ON(syserr >= R2NET_ERR_MAX); + + /* leave other fields intact from the incoming message, msg_num + * in particular */ + hdr->sys_status = cpu_to_be32(syserr); + hdr->status = cpu_to_be32(err); + hdr->magic = cpu_to_be16(R2NET_MSG_DATA_MAGIC); /* twiddle magic */ + hdr->data_len = cpu_to_be16(data_len); + + msglog(hdr, "about to send data magic %d\n", err); + /* hdr has been in host byteorder this whole time */ + ret = r2net_send_tcp_msg(sc->sc_sock, vec, 2, + sizeof(struct r2net_msg) + data_len); + return ret; +} + +/* + * called by a message handler to convert an otherwise normal reply + * message into a "data magic" message + */ +void r2net_force_data_magic(struct r2net_msg *hdr, u16 msgtype, u32 msgkey) +{ + hdr->magic = cpu_to_be16(R2NET_MSG_DATA_MAGIC); + hdr->msg_type = cpu_to_be16(msgtype); + hdr->key = cpu_to_be32(msgkey); +} + +/* this returns -errno if the header was unknown or too large, etc. + * after this is called the buffer us reused for the next message */ +static int r2net_process_message(struct r2net_sock_container *sc, + struct r2net_msg *hdr) +{ + struct r2net_node *nn = r2net_nn_from_num(sc->sc_node->nd_num); + int ret = 0, handler_status; + enum r2net_system_error syserr; + struct r2net_msg_handler *nmh = NULL; + void *ret_data = NULL; + int data_magic = 0; + + msglog(hdr, "processing message\n"); + + r2net_sc_postpone_idle(sc); + + switch (be16_to_cpu(hdr->magic)) { + + case R2NET_MSG_STATUS_MAGIC: + /* special type for returning message status */ + r2net_complete_nsw(nn, NULL, be32_to_cpu(hdr->msg_num), + be32_to_cpu(hdr->sys_status), + be32_to_cpu(hdr->status)); + goto out; + case R2NET_MSG_KEEP_REQ_MAGIC: + r2net_sendpage(sc, r2net_keep_resp, sizeof(*r2net_keep_resp)); + goto out; + case R2NET_MSG_KEEP_RESP_MAGIC: + goto out; + case R2NET_MSG_MAGIC: + break; + case R2NET_MSG_DATA_MAGIC: + /* + * unlike a normal status magic, a data magic DOES + * (MUST) have a handler, so the control flow is + * a little funky here as a result + */ + data_magic = 1; + break; + default: + msglog(hdr, "bad magic\n"); + ret = -EINVAL; + goto out; + break; + } + + /* find a handler for it */ + handler_status = 0; + nmh = r2net_handler_get(be16_to_cpu(hdr->msg_type), + be32_to_cpu(hdr->key)); + if (!nmh) { + mlog(ML_TCP, "couldn't find handler for type %u key %08x\n", + be16_to_cpu(hdr->msg_type), be32_to_cpu(hdr->key)); + syserr = R2NET_ERR_NO_HNDLR; + goto out_respond; + } + + syserr = R2NET_ERR_NONE; + + if (be16_to_cpu(hdr->data_len) > nmh->nh_max_len) + syserr = R2NET_ERR_OVERFLOW; + + if (syserr != R2NET_ERR_NONE) + goto out_respond; + + r2net_set_func_start_time(sc); + sc->sc_msg_key = be32_to_cpu(hdr->key); + sc->sc_msg_type = be16_to_cpu(hdr->msg_type); + handler_status = (nmh->nh_func)(hdr, sizeof(struct r2net_msg) + + be16_to_cpu(hdr->data_len), + nmh->nh_func_data, &ret_data); + if (data_magic) { + /* + * handler handled data sent in reply to request + * so complete the transaction + */ + r2net_complete_nsw(nn, NULL, be32_to_cpu(hdr->msg_num), + be32_to_cpu(hdr->sys_status), handler_status); + goto out; + } + /* + * handler changed magic to DATA_MAGIC to reply to request for data, + * implies ret_data points to data to return and handler_status + * is the number of bytes of data + */ + if (be16_to_cpu(hdr->magic) == R2NET_MSG_DATA_MAGIC) { + ret = r2net_send_data_magic(sc, hdr, + ret_data, handler_status, + syserr, 0); + hdr = NULL; + mlog(0, "sending data reply %d, syserr %d returned %d\n", + handler_status, syserr, ret); + r2net_set_func_stop_time(sc); + + r2net_update_recv_stats(sc); + goto out; + } + r2net_set_func_stop_time(sc); + + r2net_update_recv_stats(sc); + +out_respond: + /* this destroys the hdr, so don't use it after this */ + mutex_lock(&sc->sc_send_lock); + ret = r2net_send_status_magic(sc->sc_sock, hdr, syserr, + handler_status); + mutex_unlock(&sc->sc_send_lock); + hdr = NULL; + mlog(0, "sending handler status %d, syserr %d returned %d\n", + handler_status, syserr, ret); + + if (nmh) { + BUG_ON(ret_data != NULL && nmh->nh_post_func == NULL); + if (nmh->nh_post_func) + (nmh->nh_post_func)(handler_status, nmh->nh_func_data, + ret_data); + } + +out: + if (nmh) + r2net_handler_put(nmh); + return ret; +} + +static int r2net_check_handshake(struct r2net_sock_container *sc) +{ + struct r2net_handshake *hand = page_address(sc->sc_page); + struct r2net_node *nn = r2net_nn_from_num(sc->sc_node->nd_num); + + if (hand->protocol_version != cpu_to_be64(R2NET_PROTOCOL_VERSION)) { + printk(KERN_NOTICE "ramster: " SC_NODEF_FMT " Advertised net " + "protocol version %llu but %llu is required. " + "Disconnecting.\n", sc->sc_node->nd_name, + sc->sc_node->nd_num, &sc->sc_node->nd_ipv4_address, + ntohs(sc->sc_node->nd_ipv4_port), + (unsigned long long)be64_to_cpu(hand->protocol_version), + R2NET_PROTOCOL_VERSION); + + /* don't bother reconnecting if its the wrong version. */ + r2net_ensure_shutdown(nn, sc, -ENOTCONN); + return -1; + } + + /* + * Ensure timeouts are consistent with other nodes, otherwise + * we can end up with one node thinking that the other must be down, + * but isn't. This can ultimately cause corruption. + */ + if (be32_to_cpu(hand->r2net_idle_timeout_ms) != + r2net_idle_timeout()) { + printk(KERN_NOTICE "ramster: " SC_NODEF_FMT " uses a network " + "idle timeout of %u ms, but we use %u ms locally. " + "Disconnecting.\n", sc->sc_node->nd_name, + sc->sc_node->nd_num, &sc->sc_node->nd_ipv4_address, + ntohs(sc->sc_node->nd_ipv4_port), + be32_to_cpu(hand->r2net_idle_timeout_ms), + r2net_idle_timeout()); + r2net_ensure_shutdown(nn, sc, -ENOTCONN); + return -1; + } + + if (be32_to_cpu(hand->r2net_keepalive_delay_ms) != + r2net_keepalive_delay()) { + printk(KERN_NOTICE "ramster: " SC_NODEF_FMT " uses a keepalive " + "delay of %u ms, but we use %u ms locally. " + "Disconnecting.\n", sc->sc_node->nd_name, + sc->sc_node->nd_num, &sc->sc_node->nd_ipv4_address, + ntohs(sc->sc_node->nd_ipv4_port), + be32_to_cpu(hand->r2net_keepalive_delay_ms), + r2net_keepalive_delay()); + r2net_ensure_shutdown(nn, sc, -ENOTCONN); + return -1; + } + + if (be32_to_cpu(hand->r2hb_heartbeat_timeout_ms) != + R2HB_MAX_WRITE_TIMEOUT_MS) { + printk(KERN_NOTICE "ramster: " SC_NODEF_FMT " uses a heartbeat " + "timeout of %u ms, but we use %u ms locally. " + "Disconnecting.\n", sc->sc_node->nd_name, + sc->sc_node->nd_num, &sc->sc_node->nd_ipv4_address, + ntohs(sc->sc_node->nd_ipv4_port), + be32_to_cpu(hand->r2hb_heartbeat_timeout_ms), + R2HB_MAX_WRITE_TIMEOUT_MS); + r2net_ensure_shutdown(nn, sc, -ENOTCONN); + return -1; + } + + sc->sc_handshake_ok = 1; + + spin_lock(&nn->nn_lock); + /* set valid and queue the idle timers only if it hasn't been + * shut down already */ + if (nn->nn_sc == sc) { + r2net_sc_reset_idle_timer(sc); + atomic_set(&nn->nn_timeout, 0); + r2net_set_nn_state(nn, sc, 1, 0); + } + spin_unlock(&nn->nn_lock); + + /* shift everything up as though it wasn't there */ + sc->sc_page_off -= sizeof(struct r2net_handshake); + if (sc->sc_page_off) + memmove(hand, hand + 1, sc->sc_page_off); + + return 0; +} + +/* this demuxes the queued rx bytes into header or payload bits and calls + * handlers as each full message is read off the socket. it returns -error, + * == 0 eof, or > 0 for progress made.*/ +static int r2net_advance_rx(struct r2net_sock_container *sc) +{ + struct r2net_msg *hdr; + int ret = 0; + void *data; + size_t datalen; + + sclog(sc, "receiving\n"); + r2net_set_advance_start_time(sc); + + if (unlikely(sc->sc_handshake_ok == 0)) { + if (sc->sc_page_off < sizeof(struct r2net_handshake)) { + data = page_address(sc->sc_page) + sc->sc_page_off; + datalen = sizeof(struct r2net_handshake) - + sc->sc_page_off; + ret = r2net_recv_tcp_msg(sc->sc_sock, data, datalen); + if (ret > 0) + sc->sc_page_off += ret; + } + + if (sc->sc_page_off == sizeof(struct r2net_handshake)) { + r2net_check_handshake(sc); + if (unlikely(sc->sc_handshake_ok == 0)) + ret = -EPROTO; + } + goto out; + } + + /* do we need more header? */ + if (sc->sc_page_off < sizeof(struct r2net_msg)) { + data = page_address(sc->sc_page) + sc->sc_page_off; + datalen = sizeof(struct r2net_msg) - sc->sc_page_off; + ret = r2net_recv_tcp_msg(sc->sc_sock, data, datalen); + if (ret > 0) { + sc->sc_page_off += ret; + /* only swab incoming here.. we can + * only get here once as we cross from + * being under to over */ + if (sc->sc_page_off == sizeof(struct r2net_msg)) { + hdr = page_address(sc->sc_page); + if (be16_to_cpu(hdr->data_len) > + R2NET_MAX_PAYLOAD_BYTES) + ret = -EOVERFLOW; + } + } + if (ret <= 0) + goto out; + } + + if (sc->sc_page_off < sizeof(struct r2net_msg)) { + /* oof, still don't have a header */ + goto out; + } + + /* this was swabbed above when we first read it */ + hdr = page_address(sc->sc_page); + + msglog(hdr, "at page_off %zu\n", sc->sc_page_off); + + /* do we need more payload? */ + if (sc->sc_page_off - sizeof(struct r2net_msg) < + be16_to_cpu(hdr->data_len)) { + /* need more payload */ + data = page_address(sc->sc_page) + sc->sc_page_off; + datalen = (sizeof(struct r2net_msg) + + be16_to_cpu(hdr->data_len)) - + sc->sc_page_off; + ret = r2net_recv_tcp_msg(sc->sc_sock, data, datalen); + if (ret > 0) + sc->sc_page_off += ret; + if (ret <= 0) + goto out; + } + + if (sc->sc_page_off - sizeof(struct r2net_msg) == + be16_to_cpu(hdr->data_len)) { + /* we can only get here once, the first time we read + * the payload.. so set ret to progress if the handler + * works out. after calling this the message is toast */ + ret = r2net_process_message(sc, hdr); + if (ret == 0) + ret = 1; + sc->sc_page_off = 0; + } + +out: + sclog(sc, "ret = %d\n", ret); + r2net_set_advance_stop_time(sc); + return ret; +} + +/* this work func is triggerd by data ready. it reads until it can read no + * more. it interprets 0, eof, as fatal. if data_ready hits while we're doing + * our work the work struct will be marked and we'll be called again. */ +static void r2net_rx_until_empty(struct work_struct *work) +{ + struct r2net_sock_container *sc = + container_of(work, struct r2net_sock_container, sc_rx_work); + int ret; + + do { + ret = r2net_advance_rx(sc); + } while (ret > 0); + + if (ret <= 0 && ret != -EAGAIN) { + struct r2net_node *nn = r2net_nn_from_num(sc->sc_node->nd_num); + sclog(sc, "saw error %d, closing\n", ret); + /* not permanent so read failed handshake can retry */ + r2net_ensure_shutdown(nn, sc, 0); + } + + sc_put(sc); +} + +static int r2net_set_nodelay(struct socket *sock) +{ + int ret, val = 1; + mm_segment_t oldfs; + + oldfs = get_fs(); + set_fs(KERNEL_DS); + + /* + * Dear unsuspecting programmer, + * + * Don't use sock_setsockopt() for SOL_TCP. It doesn't check its level + * argument and assumes SOL_SOCKET so, say, your TCP_NODELAY will + * silently turn into SO_DEBUG. + * + * Yours, + * Keeper of hilariously fragile interfaces. + */ + ret = sock->ops->setsockopt(sock, SOL_TCP, TCP_NODELAY, + (char __user *)&val, sizeof(val)); + + set_fs(oldfs); + return ret; +} + +static void r2net_initialize_handshake(void) +{ + r2net_hand->r2hb_heartbeat_timeout_ms = cpu_to_be32( + R2HB_MAX_WRITE_TIMEOUT_MS); + r2net_hand->r2net_idle_timeout_ms = cpu_to_be32(r2net_idle_timeout()); + r2net_hand->r2net_keepalive_delay_ms = cpu_to_be32( + r2net_keepalive_delay()); + r2net_hand->r2net_reconnect_delay_ms = cpu_to_be32( + r2net_reconnect_delay()); +} + +/* ------------------------------------------------------------ */ + +/* called when a connect completes and after a sock is accepted. the + * rx path will see the response and mark the sc valid */ +static void r2net_sc_connect_completed(struct work_struct *work) +{ + struct r2net_sock_container *sc = + container_of(work, struct r2net_sock_container, + sc_connect_work); + + mlog(ML_MSG, "sc sending handshake with ver %llu id %llx\n", + (unsigned long long)R2NET_PROTOCOL_VERSION, + (unsigned long long)be64_to_cpu(r2net_hand->connector_id)); + + r2net_initialize_handshake(); + r2net_sendpage(sc, r2net_hand, sizeof(*r2net_hand)); + sc_put(sc); +} + +/* this is called as a work_struct func. */ +static void r2net_sc_send_keep_req(struct work_struct *work) +{ + struct r2net_sock_container *sc = + container_of(work, struct r2net_sock_container, + sc_keepalive_work.work); + + r2net_sendpage(sc, r2net_keep_req, sizeof(*r2net_keep_req)); + sc_put(sc); +} + +/* socket shutdown does a del_timer_sync against this as it tears down. + * we can't start this timer until we've got to the point in sc buildup + * where shutdown is going to be involved */ +static void r2net_idle_timer(unsigned long data) +{ + struct r2net_sock_container *sc = (struct r2net_sock_container *)data; +#ifdef CONFIG_DEBUG_FS + unsigned long msecs = ktime_to_ms(ktime_get()) - + ktime_to_ms(sc->sc_tv_timer); +#else + unsigned long msecs = r2net_idle_timeout(); +#endif + + printk(KERN_NOTICE "ramster: Connection to " SC_NODEF_FMT " has been " + "idle for %lu.%lu secs, shutting it down.\n", + sc->sc_node->nd_name, sc->sc_node->nd_num, + &sc->sc_node->nd_ipv4_address, ntohs(sc->sc_node->nd_ipv4_port), + msecs / 1000, msecs % 1000); + + /* + * Initialize the nn_timeout so that the next connection attempt + * will continue in r2net_start_connect. + */ + /* Avoid spurious shutdowns... not sure if this is still necessary */ + pr_err("ramster_idle_timer, skipping shutdown work\n"); +#if 0 + /* old code used to do these two lines */ + atomic_set(&nn->nn_timeout, 1); + r2net_sc_queue_work(sc, &sc->sc_shutdown_work); +#endif +} + +static void r2net_sc_reset_idle_timer(struct r2net_sock_container *sc) +{ + r2net_sc_cancel_delayed_work(sc, &sc->sc_keepalive_work); + r2net_sc_queue_delayed_work(sc, &sc->sc_keepalive_work, + msecs_to_jiffies(r2net_keepalive_delay())); + r2net_set_sock_timer(sc); + mod_timer(&sc->sc_idle_timeout, + jiffies + msecs_to_jiffies(r2net_idle_timeout())); +} + +static void r2net_sc_postpone_idle(struct r2net_sock_container *sc) +{ + /* Only push out an existing timer */ + if (timer_pending(&sc->sc_idle_timeout)) + r2net_sc_reset_idle_timer(sc); +} + +/* this work func is kicked whenever a path sets the nn state which doesn't + * have valid set. This includes seeing hb come up, losing a connection, + * having a connect attempt fail, etc. This centralizes the logic which decides + * if a connect attempt should be made or if we should give up and all future + * transmit attempts should fail */ +static void r2net_start_connect(struct work_struct *work) +{ + struct r2net_node *nn = + container_of(work, struct r2net_node, nn_connect_work.work); + struct r2net_sock_container *sc = NULL; + struct r2nm_node *node = NULL, *mynode = NULL; + struct socket *sock = NULL; + struct sockaddr_in myaddr = {0, }, remoteaddr = {0, }; + int ret = 0, stop; + unsigned int timeout; + + /* if we're greater we initiate tx, otherwise we accept */ + if (r2nm_this_node() <= r2net_num_from_nn(nn)) + goto out; + + /* watch for racing with tearing a node down */ + node = r2nm_get_node_by_num(r2net_num_from_nn(nn)); + if (node == NULL) { + ret = 0; + goto out; + } + + mynode = r2nm_get_node_by_num(r2nm_this_node()); + if (mynode == NULL) { + ret = 0; + goto out; + } + + spin_lock(&nn->nn_lock); + /* + * see if we already have one pending or have given up. + * For nn_timeout, it is set when we close the connection + * because of the idle time out. So it means that we have + * at least connected to that node successfully once, + * now try to connect to it again. + */ + timeout = atomic_read(&nn->nn_timeout); + stop = (nn->nn_sc || + (nn->nn_persistent_error && + (nn->nn_persistent_error != -ENOTCONN || timeout == 0))); + spin_unlock(&nn->nn_lock); + if (stop) + goto out; + + nn->nn_last_connect_attempt = jiffies; + + sc = sc_alloc(node); + if (sc == NULL) { + mlog(0, "couldn't allocate sc\n"); + ret = -ENOMEM; + goto out; + } + + ret = sock_create(PF_INET, SOCK_STREAM, IPPROTO_TCP, &sock); + if (ret < 0) { + mlog(0, "can't create socket: %d\n", ret); + goto out; + } + sc->sc_sock = sock; /* freed by sc_kref_release */ + + sock->sk->sk_allocation = GFP_ATOMIC; + + myaddr.sin_family = AF_INET; + myaddr.sin_addr.s_addr = mynode->nd_ipv4_address; + myaddr.sin_port = htons(0); /* any port */ + + ret = sock->ops->bind(sock, (struct sockaddr *)&myaddr, + sizeof(myaddr)); + if (ret) { + mlog(ML_ERROR, "bind failed with %d at address %pI4\n", + ret, &mynode->nd_ipv4_address); + goto out; + } + + ret = r2net_set_nodelay(sc->sc_sock); + if (ret) { + mlog(ML_ERROR, "setting TCP_NODELAY failed with %d\n", ret); + goto out; + } + + r2net_register_callbacks(sc->sc_sock->sk, sc); + + spin_lock(&nn->nn_lock); + /* handshake completion will set nn->nn_sc_valid */ + r2net_set_nn_state(nn, sc, 0, 0); + spin_unlock(&nn->nn_lock); + + remoteaddr.sin_family = AF_INET; + remoteaddr.sin_addr.s_addr = node->nd_ipv4_address; + remoteaddr.sin_port = node->nd_ipv4_port; + + ret = sc->sc_sock->ops->connect(sc->sc_sock, + (struct sockaddr *)&remoteaddr, + sizeof(remoteaddr), + O_NONBLOCK); + if (ret == -EINPROGRESS) + ret = 0; + +out: + if (ret) { + printk(KERN_NOTICE "ramster: Connect attempt to " SC_NODEF_FMT + " failed with errno %d\n", sc->sc_node->nd_name, + sc->sc_node->nd_num, &sc->sc_node->nd_ipv4_address, + ntohs(sc->sc_node->nd_ipv4_port), ret); + /* 0 err so that another will be queued and attempted + * from set_nn_state */ + if (sc) + r2net_ensure_shutdown(nn, sc, 0); + } + if (sc) + sc_put(sc); + if (node) + r2nm_node_put(node); + if (mynode) + r2nm_node_put(mynode); + + return; +} + +static void r2net_connect_expired(struct work_struct *work) +{ + struct r2net_node *nn = + container_of(work, struct r2net_node, nn_connect_expired.work); + + spin_lock(&nn->nn_lock); + if (!nn->nn_sc_valid) { + printk(KERN_NOTICE "ramster: No connection established with " + "node %u after %u.%u seconds, giving up.\n", + r2net_num_from_nn(nn), + r2net_idle_timeout() / 1000, + r2net_idle_timeout() % 1000); + + r2net_set_nn_state(nn, NULL, 0, -ENOTCONN); + } + spin_unlock(&nn->nn_lock); +} + +static void r2net_still_up(struct work_struct *work) +{ +} + +/* ------------------------------------------------------------ */ + +void r2net_disconnect_node(struct r2nm_node *node) +{ + struct r2net_node *nn = r2net_nn_from_num(node->nd_num); + + /* don't reconnect until it's heartbeating again */ + spin_lock(&nn->nn_lock); + atomic_set(&nn->nn_timeout, 0); + r2net_set_nn_state(nn, NULL, 0, -ENOTCONN); + spin_unlock(&nn->nn_lock); + + if (r2net_wq) { + cancel_delayed_work(&nn->nn_connect_expired); + cancel_delayed_work(&nn->nn_connect_work); + cancel_delayed_work(&nn->nn_still_up); + flush_workqueue(r2net_wq); + } +} + +static void r2net_hb_node_down_cb(struct r2nm_node *node, int node_num, + void *data) +{ + if (!node) + return; + + if (node_num != r2nm_this_node()) + r2net_disconnect_node(node); + + BUG_ON(atomic_read(&r2net_connected_peers) < 0); +} + +static void r2net_hb_node_up_cb(struct r2nm_node *node, int node_num, + void *data) +{ + struct r2net_node *nn = r2net_nn_from_num(node_num); + + BUG_ON(!node); + + /* ensure an immediate connect attempt */ + nn->nn_last_connect_attempt = jiffies - + (msecs_to_jiffies(r2net_reconnect_delay()) + 1); + + if (node_num != r2nm_this_node()) { + /* believe it or not, accept and node hearbeating testing + * can succeed for this node before we got here.. so + * only use set_nn_state to clear the persistent error + * if that hasn't already happened */ + spin_lock(&nn->nn_lock); + atomic_set(&nn->nn_timeout, 0); + if (nn->nn_persistent_error) + r2net_set_nn_state(nn, NULL, 0, 0); + spin_unlock(&nn->nn_lock); + } +} + +void r2net_unregister_hb_callbacks(void) +{ + r2hb_unregister_callback(NULL, &r2net_hb_up); + r2hb_unregister_callback(NULL, &r2net_hb_down); +} + +int r2net_register_hb_callbacks(void) +{ + int ret; + + r2hb_setup_callback(&r2net_hb_down, R2HB_NODE_DOWN_CB, + r2net_hb_node_down_cb, NULL, R2NET_HB_PRI); + r2hb_setup_callback(&r2net_hb_up, R2HB_NODE_UP_CB, + r2net_hb_node_up_cb, NULL, R2NET_HB_PRI); + + ret = r2hb_register_callback(NULL, &r2net_hb_up); + if (ret == 0) + ret = r2hb_register_callback(NULL, &r2net_hb_down); + + if (ret) + r2net_unregister_hb_callbacks(); + + return ret; +} + +/* ------------------------------------------------------------ */ + +static int r2net_accept_one(struct socket *sock) +{ + int ret, slen; + struct sockaddr_in sin; + struct socket *new_sock = NULL; + struct r2nm_node *node = NULL; + struct r2nm_node *local_node = NULL; + struct r2net_sock_container *sc = NULL; + struct r2net_node *nn; + + BUG_ON(sock == NULL); + ret = sock_create_lite(sock->sk->sk_family, sock->sk->sk_type, + sock->sk->sk_protocol, &new_sock); + if (ret) + goto out; + + new_sock->type = sock->type; + new_sock->ops = sock->ops; + ret = sock->ops->accept(sock, new_sock, O_NONBLOCK); + if (ret < 0) + goto out; + + new_sock->sk->sk_allocation = GFP_ATOMIC; + + ret = r2net_set_nodelay(new_sock); + if (ret) { + mlog(ML_ERROR, "setting TCP_NODELAY failed with %d\n", ret); + goto out; + } + + slen = sizeof(sin); + ret = new_sock->ops->getname(new_sock, (struct sockaddr *) &sin, + &slen, 1); + if (ret < 0) + goto out; + + node = r2nm_get_node_by_ip(sin.sin_addr.s_addr); + if (node == NULL) { + printk(KERN_NOTICE "ramster: Attempt to connect from unknown " + "node at %pI4:%d\n", &sin.sin_addr.s_addr, + ntohs(sin.sin_port)); + ret = -EINVAL; + goto out; + } + + if (r2nm_this_node() >= node->nd_num) { + local_node = r2nm_get_node_by_num(r2nm_this_node()); + printk(KERN_NOTICE "ramster: Unexpected connect attempt seen " + "at node '%s' (%u, %pI4:%d) from node '%s' (%u, " + "%pI4:%d)\n", local_node->nd_name, local_node->nd_num, + &(local_node->nd_ipv4_address), + ntohs(local_node->nd_ipv4_port), node->nd_name, + node->nd_num, &sin.sin_addr.s_addr, ntohs(sin.sin_port)); + ret = -EINVAL; + goto out; + } + + /* this happens all the time when the other node sees our heartbeat + * and tries to connect before we see their heartbeat */ + if (!r2hb_check_node_heartbeating_from_callback(node->nd_num)) { + mlog(ML_CONN, "attempt to connect from node '%s' at " + "%pI4:%d but it isn't heartbeating\n", + node->nd_name, &sin.sin_addr.s_addr, + ntohs(sin.sin_port)); + ret = -EINVAL; + goto out; + } + + nn = r2net_nn_from_num(node->nd_num); + + spin_lock(&nn->nn_lock); + if (nn->nn_sc) + ret = -EBUSY; + else + ret = 0; + spin_unlock(&nn->nn_lock); + if (ret) { + printk(KERN_NOTICE "ramster: Attempt to connect from node '%s' " + "at %pI4:%d but it already has an open connection\n", + node->nd_name, &sin.sin_addr.s_addr, + ntohs(sin.sin_port)); + goto out; + } + + sc = sc_alloc(node); + if (sc == NULL) { + ret = -ENOMEM; + goto out; + } + + sc->sc_sock = new_sock; + new_sock = NULL; + + spin_lock(&nn->nn_lock); + atomic_set(&nn->nn_timeout, 0); + r2net_set_nn_state(nn, sc, 0, 0); + spin_unlock(&nn->nn_lock); + + r2net_register_callbacks(sc->sc_sock->sk, sc); + r2net_sc_queue_work(sc, &sc->sc_rx_work); + + r2net_initialize_handshake(); + r2net_sendpage(sc, r2net_hand, sizeof(*r2net_hand)); + +out: + if (new_sock) + sock_release(new_sock); + if (node) + r2nm_node_put(node); + if (local_node) + r2nm_node_put(local_node); + if (sc) + sc_put(sc); + return ret; +} + +static void r2net_accept_many(struct work_struct *work) +{ + struct socket *sock = r2net_listen_sock; + while (r2net_accept_one(sock) == 0) + cond_resched(); +} + +static void r2net_listen_data_ready(struct sock *sk, int bytes) +{ + void (*ready)(struct sock *sk, int bytes); + + read_lock(&sk->sk_callback_lock); + ready = sk->sk_user_data; + if (ready == NULL) { /* check for teardown race */ + ready = sk->sk_data_ready; + goto out; + } + + /* ->sk_data_ready is also called for a newly established child socket + * before it has been accepted and the acceptor has set up their + * data_ready.. we only want to queue listen work for our listening + * socket */ + if (sk->sk_state == TCP_LISTEN) { + mlog(ML_TCP, "bytes: %d\n", bytes); + queue_work(r2net_wq, &r2net_listen_work); + } + +out: + read_unlock(&sk->sk_callback_lock); + ready(sk, bytes); +} + +static int r2net_open_listening_sock(__be32 addr, __be16 port) +{ + struct socket *sock = NULL; + int ret; + struct sockaddr_in sin = { + .sin_family = PF_INET, + .sin_addr = { .s_addr = addr }, + .sin_port = port, + }; + + ret = sock_create(PF_INET, SOCK_STREAM, IPPROTO_TCP, &sock); + if (ret < 0) { + printk(KERN_ERR "ramster: Error %d while creating socket\n", + ret); + goto out; + } + + sock->sk->sk_allocation = GFP_ATOMIC; + + write_lock_bh(&sock->sk->sk_callback_lock); + sock->sk->sk_user_data = sock->sk->sk_data_ready; + sock->sk->sk_data_ready = r2net_listen_data_ready; + write_unlock_bh(&sock->sk->sk_callback_lock); + + r2net_listen_sock = sock; + INIT_WORK(&r2net_listen_work, r2net_accept_many); + + sock->sk->sk_reuse = 1; + ret = sock->ops->bind(sock, (struct sockaddr *)&sin, sizeof(sin)); + if (ret < 0) { + printk(KERN_ERR "ramster: Error %d while binding socket at " + "%pI4:%u\n", ret, &addr, ntohs(port)); + goto out; + } + + ret = sock->ops->listen(sock, 64); + if (ret < 0) + printk(KERN_ERR "ramster: Error %d while listening on %pI4:%u\n", + ret, &addr, ntohs(port)); + +out: + if (ret) { + r2net_listen_sock = NULL; + if (sock) + sock_release(sock); + } + return ret; +} + +/* + * called from node manager when we should bring up our network listening + * socket. node manager handles all the serialization to only call this + * once and to match it with r2net_stop_listening(). note, + * r2nm_this_node() doesn't work yet as we're being called while it + * is being set up. + */ +int r2net_start_listening(struct r2nm_node *node) +{ + int ret = 0; + + BUG_ON(r2net_wq != NULL); + BUG_ON(r2net_listen_sock != NULL); + + mlog(ML_KTHREAD, "starting r2net thread...\n"); + r2net_wq = create_singlethread_workqueue("r2net"); + if (r2net_wq == NULL) { + mlog(ML_ERROR, "unable to launch r2net thread\n"); + return -ENOMEM; /* ? */ + } + + ret = r2net_open_listening_sock(node->nd_ipv4_address, + node->nd_ipv4_port); + if (ret) { + destroy_workqueue(r2net_wq); + r2net_wq = NULL; + } + + return ret; +} + +/* again, r2nm_this_node() doesn't work here as we're involved in + * tearing it down */ +void r2net_stop_listening(struct r2nm_node *node) +{ + struct socket *sock = r2net_listen_sock; + size_t i; + + BUG_ON(r2net_wq == NULL); + BUG_ON(r2net_listen_sock == NULL); + + /* stop the listening socket from generating work */ + write_lock_bh(&sock->sk->sk_callback_lock); + sock->sk->sk_data_ready = sock->sk->sk_user_data; + sock->sk->sk_user_data = NULL; + write_unlock_bh(&sock->sk->sk_callback_lock); + + for (i = 0; i < ARRAY_SIZE(r2net_nodes); i++) { + struct r2nm_node *node = r2nm_get_node_by_num(i); + if (node) { + r2net_disconnect_node(node); + r2nm_node_put(node); + } + } + + /* finish all work and tear down the work queue */ + mlog(ML_KTHREAD, "waiting for r2net thread to exit....\n"); + destroy_workqueue(r2net_wq); + r2net_wq = NULL; + + sock_release(r2net_listen_sock); + r2net_listen_sock = NULL; +} + +void r2net_hb_node_up_manual(int node_num) +{ + struct r2nm_node dummy; + if (r2nm_single_cluster == NULL) + pr_err("ramster: cluster not alive, node_up_manual ignored\n"); + else { + r2hb_manual_set_node_heartbeating(node_num); + r2net_hb_node_up_cb(&dummy, node_num, NULL); + } +} + +/* ------------------------------------------------------------ */ + +int r2net_init(void) +{ + unsigned long i; + + if (r2net_debugfs_init()) + return -ENOMEM; + + r2net_hand = kzalloc(sizeof(struct r2net_handshake), GFP_KERNEL); + r2net_keep_req = kzalloc(sizeof(struct r2net_msg), GFP_KERNEL); + r2net_keep_resp = kzalloc(sizeof(struct r2net_msg), GFP_KERNEL); + if (!r2net_hand || !r2net_keep_req || !r2net_keep_resp) { + kfree(r2net_hand); + kfree(r2net_keep_req); + kfree(r2net_keep_resp); + return -ENOMEM; + } + + r2net_hand->protocol_version = cpu_to_be64(R2NET_PROTOCOL_VERSION); + r2net_hand->connector_id = cpu_to_be64(1); + + r2net_keep_req->magic = cpu_to_be16(R2NET_MSG_KEEP_REQ_MAGIC); + r2net_keep_resp->magic = cpu_to_be16(R2NET_MSG_KEEP_RESP_MAGIC); + + for (i = 0; i < ARRAY_SIZE(r2net_nodes); i++) { + struct r2net_node *nn = r2net_nn_from_num(i); + + atomic_set(&nn->nn_timeout, 0); + spin_lock_init(&nn->nn_lock); + INIT_DELAYED_WORK(&nn->nn_connect_work, r2net_start_connect); + INIT_DELAYED_WORK(&nn->nn_connect_expired, + r2net_connect_expired); + INIT_DELAYED_WORK(&nn->nn_still_up, r2net_still_up); + /* until we see hb from a node we'll return einval */ + nn->nn_persistent_error = -ENOTCONN; + init_waitqueue_head(&nn->nn_sc_wq); + idr_init(&nn->nn_status_idr); + INIT_LIST_HEAD(&nn->nn_status_list); + } + + return 0; +} + +void r2net_exit(void) +{ + kfree(r2net_hand); + kfree(r2net_keep_req); + kfree(r2net_keep_resp); + r2net_debugfs_exit(); +} diff --git a/drivers/staging/ramster/cluster/tcp.h b/drivers/staging/ramster/cluster/tcp.h new file mode 100644 index 00000000000..9d05833452b --- /dev/null +++ b/drivers/staging/ramster/cluster/tcp.h @@ -0,0 +1,159 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * tcp.h + * + * Function prototypes + * + * Copyright (C) 2004 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + * + */ + +#ifndef R2CLUSTER_TCP_H +#define R2CLUSTER_TCP_H + +#include <linux/socket.h> +#ifdef __KERNEL__ +#include <net/sock.h> +#include <linux/tcp.h> +#else +#include <sys/socket.h> +#endif +#include <linux/inet.h> +#include <linux/in.h> + +struct r2net_msg { + __be16 magic; + __be16 data_len; + __be16 msg_type; + __be16 pad1; + __be32 sys_status; + __be32 status; + __be32 key; + __be32 msg_num; + __u8 buf[0]; +}; + +typedef int (r2net_msg_handler_func)(struct r2net_msg *msg, u32 len, void *data, + void **ret_data); +typedef void (r2net_post_msg_handler_func)(int status, void *data, + void *ret_data); + +#define R2NET_MAX_PAYLOAD_BYTES (4096 - sizeof(struct r2net_msg)) + +/* same as hb delay, we're waiting for another node to recognize our hb */ +#define R2NET_RECONNECT_DELAY_MS_DEFAULT 2000 + +#define R2NET_KEEPALIVE_DELAY_MS_DEFAULT 2000 +#define R2NET_IDLE_TIMEOUT_MS_DEFAULT 30000 + + +/* TODO: figure this out.... */ +static inline int r2net_link_down(int err, struct socket *sock) +{ + if (sock) { + if (sock->sk->sk_state != TCP_ESTABLISHED && + sock->sk->sk_state != TCP_CLOSE_WAIT) + return 1; + } + + if (err >= 0) + return 0; + switch (err) { + + /* ????????????????????????? */ + case -ERESTARTSYS: + case -EBADF: + /* When the server has died, an ICMP port unreachable + * message prompts ECONNREFUSED. */ + case -ECONNREFUSED: + case -ENOTCONN: + case -ECONNRESET: + case -EPIPE: + return 1; + + } + return 0; +} + +enum { + R2NET_DRIVER_UNINITED, + R2NET_DRIVER_READY, +}; + +int r2net_send_message(u32 msg_type, u32 key, void *data, u32 len, + u8 target_node, int *status); +int r2net_send_message_vec(u32 msg_type, u32 key, struct kvec *vec, + size_t veclen, u8 target_node, int *status); + +int r2net_register_handler(u32 msg_type, u32 key, u32 max_len, + r2net_msg_handler_func *func, void *data, + r2net_post_msg_handler_func *post_func, + struct list_head *unreg_list); +void r2net_unregister_handler_list(struct list_head *list); + +void r2net_fill_node_map(unsigned long *map, unsigned bytes); + +void r2net_force_data_magic(struct r2net_msg *, u16, u32); +void r2net_hb_node_up_manual(int); +struct r2net_node *r2net_nn_from_num(u8); + +struct r2nm_node; +int r2net_register_hb_callbacks(void); +void r2net_unregister_hb_callbacks(void); +int r2net_start_listening(struct r2nm_node *node); +void r2net_stop_listening(struct r2nm_node *node); +void r2net_disconnect_node(struct r2nm_node *node); +int r2net_num_connected_peers(void); + +int r2net_init(void); +void r2net_exit(void); + +struct r2net_send_tracking; +struct r2net_sock_container; + +#if 0 +int r2net_debugfs_init(void); +void r2net_debugfs_exit(void); +void r2net_debug_add_nst(struct r2net_send_tracking *nst); +void r2net_debug_del_nst(struct r2net_send_tracking *nst); +void r2net_debug_add_sc(struct r2net_sock_container *sc); +void r2net_debug_del_sc(struct r2net_sock_container *sc); +#else +static inline int r2net_debugfs_init(void) +{ + return 0; +} +static inline void r2net_debugfs_exit(void) +{ +} +static inline void r2net_debug_add_nst(struct r2net_send_tracking *nst) +{ +} +static inline void r2net_debug_del_nst(struct r2net_send_tracking *nst) +{ +} +static inline void r2net_debug_add_sc(struct r2net_sock_container *sc) +{ +} +static inline void r2net_debug_del_sc(struct r2net_sock_container *sc) +{ +} +#endif /* CONFIG_DEBUG_FS */ + +#endif /* R2CLUSTER_TCP_H */ diff --git a/drivers/staging/ramster/cluster/tcp_internal.h b/drivers/staging/ramster/cluster/tcp_internal.h new file mode 100644 index 00000000000..4d8cc9f96fd --- /dev/null +++ b/drivers/staging/ramster/cluster/tcp_internal.h @@ -0,0 +1,248 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * Copyright (C) 2005 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +#ifndef R2CLUSTER_TCP_INTERNAL_H +#define R2CLUSTER_TCP_INTERNAL_H + +#define R2NET_MSG_MAGIC ((u16)0xfa55) +#define R2NET_MSG_STATUS_MAGIC ((u16)0xfa56) +#define R2NET_MSG_KEEP_REQ_MAGIC ((u16)0xfa57) +#define R2NET_MSG_KEEP_RESP_MAGIC ((u16)0xfa58) +/* + * "data magic" is a long version of "status magic" where the message + * payload actually contains data to be passed in reply to certain messages + */ +#define R2NET_MSG_DATA_MAGIC ((u16)0xfa59) + +/* we're delaying our quorum decision so that heartbeat will have timed + * out truly dead nodes by the time we come around to making decisions + * on their number */ +#define R2NET_QUORUM_DELAY_MS \ + ((r2hb_dead_threshold + 2) * R2HB_REGION_TIMEOUT_MS) + +/* + * This version number represents quite a lot, unfortunately. It not + * only represents the raw network message protocol on the wire but also + * locking semantics of the file system using the protocol. It should + * be somewhere else, I'm sure, but right now it isn't. + * + * With version 11, we separate out the filesystem locking portion. The + * filesystem now has a major.minor version it negotiates. Version 11 + * introduces this negotiation to the r2dlm protocol, and as such the + * version here in tcp_internal.h should not need to be bumped for + * filesystem locking changes. + * + * New in version 11 + * - Negotiation of filesystem locking in the dlm join. + * + * New in version 10: + * - Meta/data locks combined + * + * New in version 9: + * - All votes removed + * + * New in version 8: + * - Replace delete inode votes with a cluster lock + * + * New in version 7: + * - DLM join domain includes the live nodemap + * + * New in version 6: + * - DLM lockres remote refcount fixes. + * + * New in version 5: + * - Network timeout checking protocol + * + * New in version 4: + * - Remove i_generation from lock names for better stat performance. + * + * New in version 3: + * - Replace dentry votes with a cluster lock + * + * New in version 2: + * - full 64 bit i_size in the metadata lock lvbs + * - introduction of "rw" lock and pushing meta/data locking down + */ +#define R2NET_PROTOCOL_VERSION 11ULL +struct r2net_handshake { + __be64 protocol_version; + __be64 connector_id; + __be32 r2hb_heartbeat_timeout_ms; + __be32 r2net_idle_timeout_ms; + __be32 r2net_keepalive_delay_ms; + __be32 r2net_reconnect_delay_ms; +}; + +struct r2net_node { + /* this is never called from int/bh */ + spinlock_t nn_lock; + + /* set the moment an sc is allocated and a connect is started */ + struct r2net_sock_container *nn_sc; + /* _valid is only set after the handshake passes and tx can happen */ + unsigned nn_sc_valid:1; + /* if this is set tx just returns it */ + int nn_persistent_error; + /* It is only set to 1 after the idle time out. */ + atomic_t nn_timeout; + + /* threads waiting for an sc to arrive wait on the wq for generation + * to increase. it is increased when a connecting socket succeeds + * or fails or when an accepted socket is attached. */ + wait_queue_head_t nn_sc_wq; + + struct idr nn_status_idr; + struct list_head nn_status_list; + + /* connects are attempted from when heartbeat comes up until either hb + * goes down, the node is unconfigured, no connect attempts succeed + * before R2NET_CONN_IDLE_DELAY, or a connect succeeds. connect_work + * is queued from set_nn_state both from hb up and from itself if a + * connect attempt fails and so can be self-arming. shutdown is + * careful to first mark the nn such that no connects will be attempted + * before canceling delayed connect work and flushing the queue. */ + struct delayed_work nn_connect_work; + unsigned long nn_last_connect_attempt; + + /* this is queued as nodes come up and is canceled when a connection is + * established. this expiring gives up on the node and errors out + * transmits */ + struct delayed_work nn_connect_expired; + + /* after we give up on a socket we wait a while before deciding + * that it is still heartbeating and that we should do some + * quorum work */ + struct delayed_work nn_still_up; +}; + +struct r2net_sock_container { + struct kref sc_kref; + /* the next two are valid for the life time of the sc */ + struct socket *sc_sock; + struct r2nm_node *sc_node; + + /* all of these sc work structs hold refs on the sc while they are + * queued. they should not be able to ref a freed sc. the teardown + * race is with r2net_wq destruction in r2net_stop_listening() */ + + /* rx and connect work are generated from socket callbacks. sc + * shutdown removes the callbacks and then flushes the work queue */ + struct work_struct sc_rx_work; + struct work_struct sc_connect_work; + /* shutdown work is triggered in two ways. the simple way is + * for a code path calls ensure_shutdown which gets a lock, removes + * the sc from the nn, and queues the work. in this case the + * work is single-shot. the work is also queued from a sock + * callback, though, and in this case the work will find the sc + * still on the nn and will call ensure_shutdown itself.. this + * ends up triggering the shutdown work again, though nothing + * will be done in that second iteration. so work queue teardown + * has to be careful to remove the sc from the nn before waiting + * on the work queue so that the shutdown work doesn't remove the + * sc and rearm itself. + */ + struct work_struct sc_shutdown_work; + + struct timer_list sc_idle_timeout; + struct delayed_work sc_keepalive_work; + + unsigned sc_handshake_ok:1; + + struct page *sc_page; + size_t sc_page_off; + + /* original handlers for the sockets */ + void (*sc_state_change)(struct sock *sk); + void (*sc_data_ready)(struct sock *sk, int bytes); + + u32 sc_msg_key; + u16 sc_msg_type; + +#ifdef CONFIG_DEBUG_FS + struct list_head sc_net_debug_item; + ktime_t sc_tv_timer; + ktime_t sc_tv_data_ready; + ktime_t sc_tv_advance_start; + ktime_t sc_tv_advance_stop; + ktime_t sc_tv_func_start; + ktime_t sc_tv_func_stop; +#endif +#ifdef CONFIG_RAMSTER_FS_STATS + ktime_t sc_tv_acquiry_total; + ktime_t sc_tv_send_total; + ktime_t sc_tv_status_total; + u32 sc_send_count; + u32 sc_recv_count; + ktime_t sc_tv_process_total; +#endif + struct mutex sc_send_lock; +}; + +struct r2net_msg_handler { + struct rb_node nh_node; + u32 nh_max_len; + u32 nh_msg_type; + u32 nh_key; + r2net_msg_handler_func *nh_func; + r2net_msg_handler_func *nh_func_data; + r2net_post_msg_handler_func + *nh_post_func; + struct kref nh_kref; + struct list_head nh_unregister_item; +}; + +enum r2net_system_error { + R2NET_ERR_NONE = 0, + R2NET_ERR_NO_HNDLR, + R2NET_ERR_OVERFLOW, + R2NET_ERR_DIED, + R2NET_ERR_MAX +}; + +struct r2net_status_wait { + enum r2net_system_error ns_sys_status; + s32 ns_status; + int ns_id; + wait_queue_head_t ns_wq; + struct list_head ns_node_item; +}; + +#ifdef CONFIG_DEBUG_FS +/* just for state dumps */ +struct r2net_send_tracking { + struct list_head st_net_debug_item; + struct task_struct *st_task; + struct r2net_sock_container *st_sc; + u32 st_id; + u32 st_msg_type; + u32 st_msg_key; + u8 st_node; + ktime_t st_sock_time; + ktime_t st_send_time; + ktime_t st_status_time; +}; +#else +struct r2net_send_tracking { + u32 dummy; +}; +#endif /* CONFIG_DEBUG_FS */ + +#endif /* R2CLUSTER_TCP_INTERNAL_H */ diff --git a/drivers/staging/ramster/r2net.c b/drivers/staging/ramster/r2net.c new file mode 100644 index 00000000000..2ee02204c43 --- /dev/null +++ b/drivers/staging/ramster/r2net.c @@ -0,0 +1,401 @@ +/* + * r2net.c + * + * Copyright (c) 2011, Dan Magenheimer, Oracle Corp. + * + * Ramster_r2net provides an interface between zcache and r2net. + * + * FIXME: support more than two nodes + */ + +#include <linux/list.h> +#include "cluster/tcp.h" +#include "cluster/nodemanager.h" +#include "tmem.h" +#include "zcache.h" +#include "ramster.h" + +#define RAMSTER_TESTING + +#define RMSTR_KEY 0x77347734 + +enum { + RMSTR_TMEM_PUT_EPH = 100, + RMSTR_TMEM_PUT_PERS, + RMSTR_TMEM_ASYNC_GET_REQUEST, + RMSTR_TMEM_ASYNC_GET_AND_FREE_REQUEST, + RMSTR_TMEM_ASYNC_GET_REPLY, + RMSTR_TMEM_FLUSH, + RMSTR_TMEM_FLOBJ, + RMSTR_TMEM_DESTROY_POOL, +}; + +#define RMSTR_R2NET_MAX_LEN \ + (R2NET_MAX_PAYLOAD_BYTES - sizeof(struct tmem_xhandle)) + +#include "cluster/tcp_internal.h" + +static struct r2nm_node *r2net_target_node; +static int r2net_target_nodenum; + +int r2net_remote_target_node_set(int node_num) +{ + int ret = -1; + + r2net_target_node = r2nm_get_node_by_num(node_num); + if (r2net_target_node != NULL) { + r2net_target_nodenum = node_num; + r2nm_node_put(r2net_target_node); + ret = 0; + } + return ret; +} + +/* FIXME following buffer should be per-cpu, protected by preempt_disable */ +static char ramster_async_get_buf[R2NET_MAX_PAYLOAD_BYTES]; + +static int ramster_remote_async_get_request_handler(struct r2net_msg *msg, + u32 len, void *data, void **ret_data) +{ + char *pdata; + struct tmem_xhandle xh; + int found; + size_t size = RMSTR_R2NET_MAX_LEN; + u16 msgtype = be16_to_cpu(msg->msg_type); + bool get_and_free = (msgtype == RMSTR_TMEM_ASYNC_GET_AND_FREE_REQUEST); + unsigned long flags; + + xh = *(struct tmem_xhandle *)msg->buf; + if (xh.xh_data_size > RMSTR_R2NET_MAX_LEN) + BUG(); + pdata = ramster_async_get_buf; + *(struct tmem_xhandle *)pdata = xh; + pdata += sizeof(struct tmem_xhandle); + local_irq_save(flags); + found = zcache_get(xh.client_id, xh.pool_id, &xh.oid, xh.index, + pdata, &size, 1, get_and_free ? 1 : -1); + local_irq_restore(flags); + if (found < 0) { + /* a zero size indicates the get failed */ + size = 0; + } + if (size > RMSTR_R2NET_MAX_LEN) + BUG(); + *ret_data = pdata - sizeof(struct tmem_xhandle); + /* now make caller (r2net_process_message) handle specially */ + r2net_force_data_magic(msg, RMSTR_TMEM_ASYNC_GET_REPLY, RMSTR_KEY); + return size + sizeof(struct tmem_xhandle); +} + +static int ramster_remote_async_get_reply_handler(struct r2net_msg *msg, + u32 len, void *data, void **ret_data) +{ + char *in = (char *)msg->buf; + int datalen = len - sizeof(struct r2net_msg); + int ret = -1; + struct tmem_xhandle *xh = (struct tmem_xhandle *)in; + + in += sizeof(struct tmem_xhandle); + datalen -= sizeof(struct tmem_xhandle); + BUG_ON(datalen < 0 || datalen > PAGE_SIZE); + ret = zcache_localify(xh->pool_id, &xh->oid, xh->index, + in, datalen, xh->extra); +#ifdef RAMSTER_TESTING + if (ret == -EEXIST) + pr_err("TESTING ArrgREP, aborted overwrite on racy put\n"); +#endif + return ret; +} + +int ramster_remote_put_handler(struct r2net_msg *msg, + u32 len, void *data, void **ret_data) +{ + struct tmem_xhandle *xh; + char *p = (char *)msg->buf; + int datalen = len - sizeof(struct r2net_msg) - + sizeof(struct tmem_xhandle); + u16 msgtype = be16_to_cpu(msg->msg_type); + bool ephemeral = (msgtype == RMSTR_TMEM_PUT_EPH); + unsigned long flags; + int ret; + + xh = (struct tmem_xhandle *)p; + p += sizeof(struct tmem_xhandle); + zcache_autocreate_pool(xh->client_id, xh->pool_id, ephemeral); + local_irq_save(flags); + ret = zcache_put(xh->client_id, xh->pool_id, &xh->oid, xh->index, + p, datalen, 1, ephemeral ? 1 : -1); + local_irq_restore(flags); + return ret; +} + +int ramster_remote_flush_handler(struct r2net_msg *msg, + u32 len, void *data, void **ret_data) +{ + struct tmem_xhandle *xh; + char *p = (char *)msg->buf; + + xh = (struct tmem_xhandle *)p; + p += sizeof(struct tmem_xhandle); + (void)zcache_flush(xh->client_id, xh->pool_id, &xh->oid, xh->index); + return 0; +} + +int ramster_remote_flobj_handler(struct r2net_msg *msg, + u32 len, void *data, void **ret_data) +{ + struct tmem_xhandle *xh; + char *p = (char *)msg->buf; + + xh = (struct tmem_xhandle *)p; + p += sizeof(struct tmem_xhandle); + (void)zcache_flush_object(xh->client_id, xh->pool_id, &xh->oid); + return 0; +} + +int ramster_remote_async_get(struct tmem_xhandle *xh, bool free, int remotenode, + size_t expect_size, uint8_t expect_cksum, + void *extra) +{ + int ret = -1, status; + struct r2nm_node *node = NULL; + struct kvec vec[1]; + size_t veclen = 1; + u32 msg_type; + + node = r2nm_get_node_by_num(remotenode); + if (node == NULL) + goto out; + xh->client_id = r2nm_this_node(); /* which node is getting */ + xh->xh_data_cksum = expect_cksum; + xh->xh_data_size = expect_size; + xh->extra = extra; + vec[0].iov_len = sizeof(*xh); + vec[0].iov_base = xh; + if (free) + msg_type = RMSTR_TMEM_ASYNC_GET_AND_FREE_REQUEST; + else + msg_type = RMSTR_TMEM_ASYNC_GET_REQUEST; + ret = r2net_send_message_vec(msg_type, RMSTR_KEY, + vec, veclen, remotenode, &status); + r2nm_node_put(node); + if (ret < 0) { + /* FIXME handle bad message possibilities here? */ + pr_err("UNTESTED ret<0 in ramster_remote_async_get\n"); + } + ret = status; +out: + return ret; +} + +#ifdef RAMSTER_TESTING +/* leave me here to see if it catches a weird crash */ +static void ramster_check_irq_counts(void) +{ + static int last_hardirq_cnt, last_softirq_cnt, last_preempt_cnt; + int cur_hardirq_cnt, cur_softirq_cnt, cur_preempt_cnt; + + cur_hardirq_cnt = hardirq_count() >> HARDIRQ_SHIFT; + if (cur_hardirq_cnt > last_hardirq_cnt) { + last_hardirq_cnt = cur_hardirq_cnt; + if (!(last_hardirq_cnt&(last_hardirq_cnt-1))) + pr_err("RAMSTER TESTING RRP hardirq_count=%d\n", + last_hardirq_cnt); + } + cur_softirq_cnt = softirq_count() >> SOFTIRQ_SHIFT; + if (cur_softirq_cnt > last_softirq_cnt) { + last_softirq_cnt = cur_softirq_cnt; + if (!(last_softirq_cnt&(last_softirq_cnt-1))) + pr_err("RAMSTER TESTING RRP softirq_count=%d\n", + last_softirq_cnt); + } + cur_preempt_cnt = preempt_count() & PREEMPT_MASK; + if (cur_preempt_cnt > last_preempt_cnt) { + last_preempt_cnt = cur_preempt_cnt; + if (!(last_preempt_cnt&(last_preempt_cnt-1))) + pr_err("RAMSTER TESTING RRP preempt_count=%d\n", + last_preempt_cnt); + } +} +#endif + +int ramster_remote_put(struct tmem_xhandle *xh, char *data, size_t size, + bool ephemeral, int *remotenode) +{ + int nodenum, ret = -1, status; + struct r2nm_node *node = NULL; + struct kvec vec[2]; + size_t veclen = 2; + u32 msg_type; +#ifdef RAMSTER_TESTING + struct r2net_node *nn; +#endif + + BUG_ON(size > RMSTR_R2NET_MAX_LEN); + xh->client_id = r2nm_this_node(); /* which node is putting */ + vec[0].iov_len = sizeof(*xh); + vec[0].iov_base = xh; + vec[1].iov_len = size; + vec[1].iov_base = data; + node = r2net_target_node; + if (!node) + goto out; + + nodenum = r2net_target_nodenum; + + r2nm_node_get(node); + +#ifdef RAMSTER_TESTING + nn = r2net_nn_from_num(nodenum); + WARN_ON_ONCE(nn->nn_persistent_error || !nn->nn_sc_valid); +#endif + + if (ephemeral) + msg_type = RMSTR_TMEM_PUT_EPH; + else + msg_type = RMSTR_TMEM_PUT_PERS; +#ifdef RAMSTER_TESTING + /* leave me here to see if it catches a weird crash */ + ramster_check_irq_counts(); +#endif + + ret = r2net_send_message_vec(msg_type, RMSTR_KEY, vec, veclen, + nodenum, &status); +#ifdef RAMSTER_TESTING + if (ret != 0) { + static unsigned long cnt; + cnt++; + if (!(cnt&(cnt-1))) + pr_err("ramster_remote_put: message failed, " + "ret=%d, cnt=%lu\n", ret, cnt); + ret = -1; + } +#endif + if (ret < 0) + ret = -1; + else { + ret = status; + *remotenode = nodenum; + } + + r2nm_node_put(node); +out: + return ret; +} + +int ramster_remote_flush(struct tmem_xhandle *xh, int remotenode) +{ + int ret = -1, status; + struct r2nm_node *node = NULL; + struct kvec vec[1]; + size_t veclen = 1; + + node = r2nm_get_node_by_num(remotenode); + BUG_ON(node == NULL); + xh->client_id = r2nm_this_node(); /* which node is flushing */ + vec[0].iov_len = sizeof(*xh); + vec[0].iov_base = xh; + BUG_ON(irqs_disabled()); + BUG_ON(in_softirq()); + ret = r2net_send_message_vec(RMSTR_TMEM_FLUSH, RMSTR_KEY, + vec, veclen, remotenode, &status); + r2nm_node_put(node); + return ret; +} + +int ramster_remote_flush_object(struct tmem_xhandle *xh, int remotenode) +{ + int ret = -1, status; + struct r2nm_node *node = NULL; + struct kvec vec[1]; + size_t veclen = 1; + + node = r2nm_get_node_by_num(remotenode); + BUG_ON(node == NULL); + xh->client_id = r2nm_this_node(); /* which node is flobjing */ + vec[0].iov_len = sizeof(*xh); + vec[0].iov_base = xh; + ret = r2net_send_message_vec(RMSTR_TMEM_FLOBJ, RMSTR_KEY, + vec, veclen, remotenode, &status); + r2nm_node_put(node); + return ret; +} + +/* + * Handler registration + */ + +static LIST_HEAD(r2net_unreg_list); + +static void r2net_unregister_handlers(void) +{ + r2net_unregister_handler_list(&r2net_unreg_list); +} + +int r2net_register_handlers(void) +{ + int status; + + status = r2net_register_handler(RMSTR_TMEM_PUT_EPH, RMSTR_KEY, + RMSTR_R2NET_MAX_LEN, + ramster_remote_put_handler, + NULL, NULL, &r2net_unreg_list); + if (status) + goto bail; + + status = r2net_register_handler(RMSTR_TMEM_PUT_PERS, RMSTR_KEY, + RMSTR_R2NET_MAX_LEN, + ramster_remote_put_handler, + NULL, NULL, &r2net_unreg_list); + if (status) + goto bail; + + status = r2net_register_handler(RMSTR_TMEM_ASYNC_GET_REQUEST, RMSTR_KEY, + RMSTR_R2NET_MAX_LEN, + ramster_remote_async_get_request_handler, + NULL, NULL, + &r2net_unreg_list); + if (status) + goto bail; + + status = r2net_register_handler(RMSTR_TMEM_ASYNC_GET_AND_FREE_REQUEST, + RMSTR_KEY, RMSTR_R2NET_MAX_LEN, + ramster_remote_async_get_request_handler, + NULL, NULL, + &r2net_unreg_list); + if (status) + goto bail; + + status = r2net_register_handler(RMSTR_TMEM_ASYNC_GET_REPLY, RMSTR_KEY, + RMSTR_R2NET_MAX_LEN, + ramster_remote_async_get_reply_handler, + NULL, NULL, + &r2net_unreg_list); + if (status) + goto bail; + + status = r2net_register_handler(RMSTR_TMEM_FLUSH, RMSTR_KEY, + RMSTR_R2NET_MAX_LEN, + ramster_remote_flush_handler, + NULL, NULL, + &r2net_unreg_list); + if (status) + goto bail; + + status = r2net_register_handler(RMSTR_TMEM_FLOBJ, RMSTR_KEY, + RMSTR_R2NET_MAX_LEN, + ramster_remote_flobj_handler, + NULL, NULL, + &r2net_unreg_list); + if (status) + goto bail; + + pr_info("ramster: r2net handlers registered\n"); + +bail: + if (status) { + r2net_unregister_handlers(); + pr_err("ramster: couldn't register r2net handlers\n"); + } + return status; +} diff --git a/drivers/staging/ramster/ramster.h b/drivers/staging/ramster/ramster.h new file mode 100644 index 00000000000..0c9455e8dcd --- /dev/null +++ b/drivers/staging/ramster/ramster.h @@ -0,0 +1,118 @@ +/* + * ramster.h + * + * Peer-to-peer transcendent memory + * + * Copyright (c) 2009-2012, Dan Magenheimer, Oracle Corp. + */ + +#ifndef _RAMSTER_H_ +#define _RAMSTER_H_ + +/* + * format of remote pampd: + * bit 0 == intransit + * bit 1 == is_remote... if this bit is set, then + * bit 2-9 == remotenode + * bit 10-22 == size + * bit 23-30 == cksum + */ +#define FAKE_PAMPD_INTRANSIT_BITS 1 +#define FAKE_PAMPD_ISREMOTE_BITS 1 +#define FAKE_PAMPD_REMOTENODE_BITS 8 +#define FAKE_PAMPD_REMOTESIZE_BITS 13 +#define FAKE_PAMPD_CHECKSUM_BITS 8 + +#define FAKE_PAMPD_INTRANSIT_SHIFT 0 +#define FAKE_PAMPD_ISREMOTE_SHIFT (FAKE_PAMPD_INTRANSIT_SHIFT + \ + FAKE_PAMPD_INTRANSIT_BITS) +#define FAKE_PAMPD_REMOTENODE_SHIFT (FAKE_PAMPD_ISREMOTE_SHIFT + \ + FAKE_PAMPD_ISREMOTE_BITS) +#define FAKE_PAMPD_REMOTESIZE_SHIFT (FAKE_PAMPD_REMOTENODE_SHIFT + \ + FAKE_PAMPD_REMOTENODE_BITS) +#define FAKE_PAMPD_CHECKSUM_SHIFT (FAKE_PAMPD_REMOTESIZE_SHIFT + \ + FAKE_PAMPD_REMOTESIZE_BITS) + +#define FAKE_PAMPD_MASK(x) ((1UL << (x)) - 1) + +static inline void *pampd_make_remote(int remotenode, size_t size, + unsigned char cksum) +{ + unsigned long fake_pampd = 0; + fake_pampd |= 1UL << FAKE_PAMPD_ISREMOTE_SHIFT; + fake_pampd |= ((unsigned long)remotenode & + FAKE_PAMPD_MASK(FAKE_PAMPD_REMOTENODE_BITS)) << + FAKE_PAMPD_REMOTENODE_SHIFT; + fake_pampd |= ((unsigned long)size & + FAKE_PAMPD_MASK(FAKE_PAMPD_REMOTESIZE_BITS)) << + FAKE_PAMPD_REMOTESIZE_SHIFT; + fake_pampd |= ((unsigned long)cksum & + FAKE_PAMPD_MASK(FAKE_PAMPD_CHECKSUM_BITS)) << + FAKE_PAMPD_CHECKSUM_SHIFT; + return (void *)fake_pampd; +} + +static inline unsigned int pampd_remote_node(void *pampd) +{ + unsigned long fake_pampd = (unsigned long)pampd; + return (fake_pampd >> FAKE_PAMPD_REMOTENODE_SHIFT) & + FAKE_PAMPD_MASK(FAKE_PAMPD_REMOTENODE_BITS); +} + +static inline unsigned int pampd_remote_size(void *pampd) +{ + unsigned long fake_pampd = (unsigned long)pampd; + return (fake_pampd >> FAKE_PAMPD_REMOTESIZE_SHIFT) & + FAKE_PAMPD_MASK(FAKE_PAMPD_REMOTESIZE_BITS); +} + +static inline unsigned char pampd_remote_cksum(void *pampd) +{ + unsigned long fake_pampd = (unsigned long)pampd; + return (fake_pampd >> FAKE_PAMPD_CHECKSUM_SHIFT) & + FAKE_PAMPD_MASK(FAKE_PAMPD_CHECKSUM_BITS); +} + +static inline bool pampd_is_remote(void *pampd) +{ + unsigned long fake_pampd = (unsigned long)pampd; + return (fake_pampd >> FAKE_PAMPD_ISREMOTE_SHIFT) & + FAKE_PAMPD_MASK(FAKE_PAMPD_ISREMOTE_BITS); +} + +static inline bool pampd_is_intransit(void *pampd) +{ + unsigned long fake_pampd = (unsigned long)pampd; + return (fake_pampd >> FAKE_PAMPD_INTRANSIT_SHIFT) & + FAKE_PAMPD_MASK(FAKE_PAMPD_INTRANSIT_BITS); +} + +/* note that it is a BUG for intransit to be set without isremote also set */ +static inline void *pampd_mark_intransit(void *pampd) +{ + unsigned long fake_pampd = (unsigned long)pampd; + + fake_pampd |= 1UL << FAKE_PAMPD_ISREMOTE_SHIFT; + fake_pampd |= 1UL << FAKE_PAMPD_INTRANSIT_SHIFT; + return (void *)fake_pampd; +} + +static inline void *pampd_mask_intransit_and_remote(void *marked_pampd) +{ + unsigned long pampd = (unsigned long)marked_pampd; + + pampd &= ~(1UL << FAKE_PAMPD_INTRANSIT_SHIFT); + pampd &= ~(1UL << FAKE_PAMPD_ISREMOTE_SHIFT); + return (void *)pampd; +} + +extern int ramster_remote_async_get(struct tmem_xhandle *, + bool, int, size_t, uint8_t, void *extra); +extern int ramster_remote_put(struct tmem_xhandle *, char *, size_t, + bool, int *); +extern int ramster_remote_flush(struct tmem_xhandle *, int); +extern int ramster_remote_flush_object(struct tmem_xhandle *, int); +extern int r2net_register_handlers(void); +extern int r2net_remote_target_node_set(int); + +#endif /* _TMEM_H */ diff --git a/drivers/staging/ramster/tmem.c b/drivers/staging/ramster/tmem.c new file mode 100644 index 00000000000..8f2f6892d8d --- /dev/null +++ b/drivers/staging/ramster/tmem.c @@ -0,0 +1,851 @@ +/* + * In-kernel transcendent memory (generic implementation) + * + * Copyright (c) 2009-2011, Dan Magenheimer, Oracle Corp. + * + * The primary purpose of Transcedent Memory ("tmem") is to map object-oriented + * "handles" (triples containing a pool id, and object id, and an index), to + * pages in a page-accessible memory (PAM). Tmem references the PAM pages via + * an abstract "pampd" (PAM page-descriptor), which can be operated on by a + * set of functions (pamops). Each pampd contains some representation of + * PAGE_SIZE bytes worth of data. Tmem must support potentially millions of + * pages and must be able to insert, find, and delete these pages at a + * potential frequency of thousands per second concurrently across many CPUs, + * (and, if used with KVM, across many vcpus across many guests). + * Tmem is tracked with a hierarchy of data structures, organized by + * the elements in a handle-tuple: pool_id, object_id, and page index. + * One or more "clients" (e.g. guests) each provide one or more tmem_pools. + * Each pool, contains a hash table of rb_trees of tmem_objs. Each + * tmem_obj contains a radix-tree-like tree of pointers, with intermediate + * nodes called tmem_objnodes. Each leaf pointer in this tree points to + * a pampd, which is accessible only through a small set of callbacks + * registered by the PAM implementation (see tmem_register_pamops). Tmem + * does all memory allocation via a set of callbacks registered by the tmem + * host implementation (e.g. see tmem_register_hostops). + */ + +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/atomic.h> +#include <linux/delay.h> + +#include "tmem.h" + +/* data structure sentinels used for debugging... see tmem.h */ +#define POOL_SENTINEL 0x87658765 +#define OBJ_SENTINEL 0x12345678 +#define OBJNODE_SENTINEL 0xfedcba09 + +/* + * A tmem host implementation must use this function to register callbacks + * for memory allocation. + */ +static struct tmem_hostops tmem_hostops; + +static void tmem_objnode_tree_init(void); + +void tmem_register_hostops(struct tmem_hostops *m) +{ + tmem_objnode_tree_init(); + tmem_hostops = *m; +} + +/* + * A tmem host implementation must use this function to register + * callbacks for a page-accessible memory (PAM) implementation + */ +static struct tmem_pamops tmem_pamops; + +void tmem_register_pamops(struct tmem_pamops *m) +{ + tmem_pamops = *m; +} + +/* + * Oid's are potentially very sparse and tmem_objs may have an indeterminately + * short life, being added and deleted at a relatively high frequency. + * So an rb_tree is an ideal data structure to manage tmem_objs. But because + * of the potentially huge number of tmem_objs, each pool manages a hashtable + * of rb_trees to reduce search, insert, delete, and rebalancing time. + * Each hashbucket also has a lock to manage concurrent access. + * + * The following routines manage tmem_objs. When any tmem_obj is accessed, + * the hashbucket lock must be held. + */ + +/* searches for object==oid in pool, returns locked object if found */ +static struct tmem_obj *tmem_obj_find(struct tmem_hashbucket *hb, + struct tmem_oid *oidp) +{ + struct rb_node *rbnode; + struct tmem_obj *obj; + + rbnode = hb->obj_rb_root.rb_node; + while (rbnode) { + BUG_ON(RB_EMPTY_NODE(rbnode)); + obj = rb_entry(rbnode, struct tmem_obj, rb_tree_node); + switch (tmem_oid_compare(oidp, &obj->oid)) { + case 0: /* equal */ + goto out; + case -1: + rbnode = rbnode->rb_left; + break; + case 1: + rbnode = rbnode->rb_right; + break; + } + } + obj = NULL; +out: + return obj; +} + +static void tmem_pampd_destroy_all_in_obj(struct tmem_obj *); + +/* free an object that has no more pampds in it */ +static void tmem_obj_free(struct tmem_obj *obj, struct tmem_hashbucket *hb) +{ + struct tmem_pool *pool; + + BUG_ON(obj == NULL); + ASSERT_SENTINEL(obj, OBJ); + BUG_ON(obj->pampd_count > 0); + pool = obj->pool; + BUG_ON(pool == NULL); + if (obj->objnode_tree_root != NULL) /* may be "stump" with no leaves */ + tmem_pampd_destroy_all_in_obj(obj); + BUG_ON(obj->objnode_tree_root != NULL); + BUG_ON((long)obj->objnode_count != 0); + atomic_dec(&pool->obj_count); + BUG_ON(atomic_read(&pool->obj_count) < 0); + INVERT_SENTINEL(obj, OBJ); + obj->pool = NULL; + tmem_oid_set_invalid(&obj->oid); + rb_erase(&obj->rb_tree_node, &hb->obj_rb_root); +} + +/* + * initialize, and insert an tmem_object_root (called only if find failed) + */ +static void tmem_obj_init(struct tmem_obj *obj, struct tmem_hashbucket *hb, + struct tmem_pool *pool, + struct tmem_oid *oidp) +{ + struct rb_root *root = &hb->obj_rb_root; + struct rb_node **new = &(root->rb_node), *parent = NULL; + struct tmem_obj *this; + + BUG_ON(pool == NULL); + atomic_inc(&pool->obj_count); + obj->objnode_tree_height = 0; + obj->objnode_tree_root = NULL; + obj->pool = pool; + obj->oid = *oidp; + obj->objnode_count = 0; + obj->pampd_count = 0; + (*tmem_pamops.new_obj)(obj); + SET_SENTINEL(obj, OBJ); + while (*new) { + BUG_ON(RB_EMPTY_NODE(*new)); + this = rb_entry(*new, struct tmem_obj, rb_tree_node); + parent = *new; + switch (tmem_oid_compare(oidp, &this->oid)) { + case 0: + BUG(); /* already present; should never happen! */ + break; + case -1: + new = &(*new)->rb_left; + break; + case 1: + new = &(*new)->rb_right; + break; + } + } + rb_link_node(&obj->rb_tree_node, parent, new); + rb_insert_color(&obj->rb_tree_node, root); +} + +/* + * Tmem is managed as a set of tmem_pools with certain attributes, such as + * "ephemeral" vs "persistent". These attributes apply to all tmem_objs + * and all pampds that belong to a tmem_pool. A tmem_pool is created + * or deleted relatively rarely (for example, when a filesystem is + * mounted or unmounted. + */ + +/* flush all data from a pool and, optionally, free it */ +static void tmem_pool_flush(struct tmem_pool *pool, bool destroy) +{ + struct rb_node *rbnode; + struct tmem_obj *obj; + struct tmem_hashbucket *hb = &pool->hashbucket[0]; + int i; + + BUG_ON(pool == NULL); + for (i = 0; i < TMEM_HASH_BUCKETS; i++, hb++) { + spin_lock(&hb->lock); + rbnode = rb_first(&hb->obj_rb_root); + while (rbnode != NULL) { + obj = rb_entry(rbnode, struct tmem_obj, rb_tree_node); + rbnode = rb_next(rbnode); + tmem_pampd_destroy_all_in_obj(obj); + tmem_obj_free(obj, hb); + (*tmem_hostops.obj_free)(obj, pool); + } + spin_unlock(&hb->lock); + } + if (destroy) + list_del(&pool->pool_list); +} + +/* + * A tmem_obj contains a radix-tree-like tree in which the intermediate + * nodes are called tmem_objnodes. (The kernel lib/radix-tree.c implementation + * is very specialized and tuned for specific uses and is not particularly + * suited for use from this code, though some code from the core algorithms has + * been reused, thus the copyright notices below). Each tmem_objnode contains + * a set of pointers which point to either a set of intermediate tmem_objnodes + * or a set of of pampds. + * + * Portions Copyright (C) 2001 Momchil Velikov + * Portions Copyright (C) 2001 Christoph Hellwig + * Portions Copyright (C) 2005 SGI, Christoph Lameter <clameter@sgi.com> + */ + +struct tmem_objnode_tree_path { + struct tmem_objnode *objnode; + int offset; +}; + +/* objnode height_to_maxindex translation */ +static unsigned long tmem_objnode_tree_h2max[OBJNODE_TREE_MAX_PATH + 1]; + +static void tmem_objnode_tree_init(void) +{ + unsigned int ht, tmp; + + for (ht = 0; ht < ARRAY_SIZE(tmem_objnode_tree_h2max); ht++) { + tmp = ht * OBJNODE_TREE_MAP_SHIFT; + if (tmp >= OBJNODE_TREE_INDEX_BITS) + tmem_objnode_tree_h2max[ht] = ~0UL; + else + tmem_objnode_tree_h2max[ht] = + (~0UL >> (OBJNODE_TREE_INDEX_BITS - tmp - 1)) >> 1; + } +} + +static struct tmem_objnode *tmem_objnode_alloc(struct tmem_obj *obj) +{ + struct tmem_objnode *objnode; + + ASSERT_SENTINEL(obj, OBJ); + BUG_ON(obj->pool == NULL); + ASSERT_SENTINEL(obj->pool, POOL); + objnode = (*tmem_hostops.objnode_alloc)(obj->pool); + if (unlikely(objnode == NULL)) + goto out; + objnode->obj = obj; + SET_SENTINEL(objnode, OBJNODE); + memset(&objnode->slots, 0, sizeof(objnode->slots)); + objnode->slots_in_use = 0; + obj->objnode_count++; +out: + return objnode; +} + +static void tmem_objnode_free(struct tmem_objnode *objnode) +{ + struct tmem_pool *pool; + int i; + + BUG_ON(objnode == NULL); + for (i = 0; i < OBJNODE_TREE_MAP_SIZE; i++) + BUG_ON(objnode->slots[i] != NULL); + ASSERT_SENTINEL(objnode, OBJNODE); + INVERT_SENTINEL(objnode, OBJNODE); + BUG_ON(objnode->obj == NULL); + ASSERT_SENTINEL(objnode->obj, OBJ); + pool = objnode->obj->pool; + BUG_ON(pool == NULL); + ASSERT_SENTINEL(pool, POOL); + objnode->obj->objnode_count--; + objnode->obj = NULL; + (*tmem_hostops.objnode_free)(objnode, pool); +} + +/* + * lookup index in object and return associated pampd (or NULL if not found) + */ +static void **__tmem_pampd_lookup_in_obj(struct tmem_obj *obj, uint32_t index) +{ + unsigned int height, shift; + struct tmem_objnode **slot = NULL; + + BUG_ON(obj == NULL); + ASSERT_SENTINEL(obj, OBJ); + BUG_ON(obj->pool == NULL); + ASSERT_SENTINEL(obj->pool, POOL); + + height = obj->objnode_tree_height; + if (index > tmem_objnode_tree_h2max[obj->objnode_tree_height]) + goto out; + if (height == 0 && obj->objnode_tree_root) { + slot = &obj->objnode_tree_root; + goto out; + } + shift = (height-1) * OBJNODE_TREE_MAP_SHIFT; + slot = &obj->objnode_tree_root; + while (height > 0) { + if (*slot == NULL) + goto out; + slot = (struct tmem_objnode **) + ((*slot)->slots + + ((index >> shift) & OBJNODE_TREE_MAP_MASK)); + shift -= OBJNODE_TREE_MAP_SHIFT; + height--; + } +out: + return slot != NULL ? (void **)slot : NULL; +} + +static void *tmem_pampd_lookup_in_obj(struct tmem_obj *obj, uint32_t index) +{ + struct tmem_objnode **slot; + + slot = (struct tmem_objnode **)__tmem_pampd_lookup_in_obj(obj, index); + return slot != NULL ? *slot : NULL; +} + +static void *tmem_pampd_replace_in_obj(struct tmem_obj *obj, uint32_t index, + void *new_pampd, bool no_free) +{ + struct tmem_objnode **slot; + void *ret = NULL; + + slot = (struct tmem_objnode **)__tmem_pampd_lookup_in_obj(obj, index); + if ((slot != NULL) && (*slot != NULL)) { + void *old_pampd = *(void **)slot; + *(void **)slot = new_pampd; + if (!no_free) + (*tmem_pamops.free)(old_pampd, obj->pool, + NULL, 0, false); + ret = new_pampd; + } + return ret; +} + +static int tmem_pampd_add_to_obj(struct tmem_obj *obj, uint32_t index, + void *pampd) +{ + int ret = 0; + struct tmem_objnode *objnode = NULL, *newnode, *slot; + unsigned int height, shift; + int offset = 0; + + /* if necessary, extend the tree to be higher */ + if (index > tmem_objnode_tree_h2max[obj->objnode_tree_height]) { + height = obj->objnode_tree_height + 1; + if (index > tmem_objnode_tree_h2max[height]) + while (index > tmem_objnode_tree_h2max[height]) + height++; + if (obj->objnode_tree_root == NULL) { + obj->objnode_tree_height = height; + goto insert; + } + do { + newnode = tmem_objnode_alloc(obj); + if (!newnode) { + ret = -ENOMEM; + goto out; + } + newnode->slots[0] = obj->objnode_tree_root; + newnode->slots_in_use = 1; + obj->objnode_tree_root = newnode; + obj->objnode_tree_height++; + } while (height > obj->objnode_tree_height); + } +insert: + slot = obj->objnode_tree_root; + height = obj->objnode_tree_height; + shift = (height-1) * OBJNODE_TREE_MAP_SHIFT; + while (height > 0) { + if (slot == NULL) { + /* add a child objnode. */ + slot = tmem_objnode_alloc(obj); + if (!slot) { + ret = -ENOMEM; + goto out; + } + if (objnode) { + + objnode->slots[offset] = slot; + objnode->slots_in_use++; + } else + obj->objnode_tree_root = slot; + } + /* go down a level */ + offset = (index >> shift) & OBJNODE_TREE_MAP_MASK; + objnode = slot; + slot = objnode->slots[offset]; + shift -= OBJNODE_TREE_MAP_SHIFT; + height--; + } + BUG_ON(slot != NULL); + if (objnode) { + objnode->slots_in_use++; + objnode->slots[offset] = pampd; + } else + obj->objnode_tree_root = pampd; + obj->pampd_count++; +out: + return ret; +} + +static void *tmem_pampd_delete_from_obj(struct tmem_obj *obj, uint32_t index) +{ + struct tmem_objnode_tree_path path[OBJNODE_TREE_MAX_PATH + 1]; + struct tmem_objnode_tree_path *pathp = path; + struct tmem_objnode *slot = NULL; + unsigned int height, shift; + int offset; + + BUG_ON(obj == NULL); + ASSERT_SENTINEL(obj, OBJ); + BUG_ON(obj->pool == NULL); + ASSERT_SENTINEL(obj->pool, POOL); + height = obj->objnode_tree_height; + if (index > tmem_objnode_tree_h2max[height]) + goto out; + slot = obj->objnode_tree_root; + if (height == 0 && obj->objnode_tree_root) { + obj->objnode_tree_root = NULL; + goto out; + } + shift = (height - 1) * OBJNODE_TREE_MAP_SHIFT; + pathp->objnode = NULL; + do { + if (slot == NULL) + goto out; + pathp++; + offset = (index >> shift) & OBJNODE_TREE_MAP_MASK; + pathp->offset = offset; + pathp->objnode = slot; + slot = slot->slots[offset]; + shift -= OBJNODE_TREE_MAP_SHIFT; + height--; + } while (height > 0); + if (slot == NULL) + goto out; + while (pathp->objnode) { + pathp->objnode->slots[pathp->offset] = NULL; + pathp->objnode->slots_in_use--; + if (pathp->objnode->slots_in_use) { + if (pathp->objnode == obj->objnode_tree_root) { + while (obj->objnode_tree_height > 0 && + obj->objnode_tree_root->slots_in_use == 1 && + obj->objnode_tree_root->slots[0]) { + struct tmem_objnode *to_free = + obj->objnode_tree_root; + + obj->objnode_tree_root = + to_free->slots[0]; + obj->objnode_tree_height--; + to_free->slots[0] = NULL; + to_free->slots_in_use = 0; + tmem_objnode_free(to_free); + } + } + goto out; + } + tmem_objnode_free(pathp->objnode); /* 0 slots used, free it */ + pathp--; + } + obj->objnode_tree_height = 0; + obj->objnode_tree_root = NULL; + +out: + if (slot != NULL) + obj->pampd_count--; + BUG_ON(obj->pampd_count < 0); + return slot; +} + +/* recursively walk the objnode_tree destroying pampds and objnodes */ +static void tmem_objnode_node_destroy(struct tmem_obj *obj, + struct tmem_objnode *objnode, + unsigned int ht) +{ + int i; + + if (ht == 0) + return; + for (i = 0; i < OBJNODE_TREE_MAP_SIZE; i++) { + if (objnode->slots[i]) { + if (ht == 1) { + obj->pampd_count--; + (*tmem_pamops.free)(objnode->slots[i], + obj->pool, NULL, 0, true); + objnode->slots[i] = NULL; + continue; + } + tmem_objnode_node_destroy(obj, objnode->slots[i], ht-1); + tmem_objnode_free(objnode->slots[i]); + objnode->slots[i] = NULL; + } + } +} + +static void tmem_pampd_destroy_all_in_obj(struct tmem_obj *obj) +{ + if (obj->objnode_tree_root == NULL) + return; + if (obj->objnode_tree_height == 0) { + obj->pampd_count--; + (*tmem_pamops.free)(obj->objnode_tree_root, + obj->pool, NULL, 0, true); + } else { + tmem_objnode_node_destroy(obj, obj->objnode_tree_root, + obj->objnode_tree_height); + tmem_objnode_free(obj->objnode_tree_root); + obj->objnode_tree_height = 0; + } + obj->objnode_tree_root = NULL; + (*tmem_pamops.free_obj)(obj->pool, obj); +} + +/* + * Tmem is operated on by a set of well-defined actions: + * "put", "get", "flush", "flush_object", "new pool" and "destroy pool". + * (The tmem ABI allows for subpages and exchanges but these operations + * are not included in this implementation.) + * + * These "tmem core" operations are implemented in the following functions. + */ + +/* + * "Put" a page, e.g. copy a page from the kernel into newly allocated + * PAM space (if such space is available). Tmem_put is complicated by + * a corner case: What if a page with matching handle already exists in + * tmem? To guarantee coherency, one of two actions is necessary: Either + * the data for the page must be overwritten, or the page must be + * "flushed" so that the data is not accessible to a subsequent "get". + * Since these "duplicate puts" are relatively rare, this implementation + * always flushes for simplicity. + */ +int tmem_put(struct tmem_pool *pool, struct tmem_oid *oidp, uint32_t index, + char *data, size_t size, bool raw, int ephemeral) +{ + struct tmem_obj *obj = NULL, *objfound = NULL, *objnew = NULL; + void *pampd = NULL, *pampd_del = NULL; + int ret = -ENOMEM; + struct tmem_hashbucket *hb; + + hb = &pool->hashbucket[tmem_oid_hash(oidp)]; + spin_lock(&hb->lock); + obj = objfound = tmem_obj_find(hb, oidp); + if (obj != NULL) { + pampd = tmem_pampd_lookup_in_obj(objfound, index); + if (pampd != NULL) { + /* if found, is a dup put, flush the old one */ + pampd_del = tmem_pampd_delete_from_obj(obj, index); + BUG_ON(pampd_del != pampd); + (*tmem_pamops.free)(pampd, pool, oidp, index, true); + if (obj->pampd_count == 0) { + objnew = obj; + objfound = NULL; + } + pampd = NULL; + } + } else { + obj = objnew = (*tmem_hostops.obj_alloc)(pool); + if (unlikely(obj == NULL)) { + ret = -ENOMEM; + goto out; + } + tmem_obj_init(obj, hb, pool, oidp); + } + BUG_ON(obj == NULL); + BUG_ON(((objnew != obj) && (objfound != obj)) || (objnew == objfound)); + pampd = (*tmem_pamops.create)(data, size, raw, ephemeral, + obj->pool, &obj->oid, index); + if (unlikely(pampd == NULL)) + goto free; + ret = tmem_pampd_add_to_obj(obj, index, pampd); + if (unlikely(ret == -ENOMEM)) + /* may have partially built objnode tree ("stump") */ + goto delete_and_free; + goto out; + +delete_and_free: + (void)tmem_pampd_delete_from_obj(obj, index); +free: + if (pampd) + (*tmem_pamops.free)(pampd, pool, NULL, 0, true); + if (objnew) { + tmem_obj_free(objnew, hb); + (*tmem_hostops.obj_free)(objnew, pool); + } +out: + spin_unlock(&hb->lock); + return ret; +} + +void *tmem_localify_get_pampd(struct tmem_pool *pool, struct tmem_oid *oidp, + uint32_t index, struct tmem_obj **ret_obj, + void **saved_hb) +{ + struct tmem_hashbucket *hb; + struct tmem_obj *obj = NULL; + void *pampd = NULL; + + hb = &pool->hashbucket[tmem_oid_hash(oidp)]; + spin_lock(&hb->lock); + obj = tmem_obj_find(hb, oidp); + if (likely(obj != NULL)) + pampd = tmem_pampd_lookup_in_obj(obj, index); + *ret_obj = obj; + *saved_hb = (void *)hb; + /* note, hashbucket remains locked */ + return pampd; +} + +void tmem_localify_finish(struct tmem_obj *obj, uint32_t index, + void *pampd, void *saved_hb, bool delete) +{ + struct tmem_hashbucket *hb = (struct tmem_hashbucket *)saved_hb; + + BUG_ON(!spin_is_locked(&hb->lock)); + if (pampd != NULL) { + BUG_ON(obj == NULL); + (void)tmem_pampd_replace_in_obj(obj, index, pampd, 1); + } else if (delete) { + BUG_ON(obj == NULL); + (void)tmem_pampd_delete_from_obj(obj, index); + } + spin_unlock(&hb->lock); +} + +static int tmem_repatriate(void **ppampd, struct tmem_hashbucket *hb, + struct tmem_pool *pool, struct tmem_oid *oidp, + uint32_t index, bool free, char *data) +{ + void *old_pampd = *ppampd, *new_pampd = NULL; + bool intransit = false; + int ret = 0; + + + if (!is_ephemeral(pool)) + new_pampd = (*tmem_pamops.repatriate_preload)( + old_pampd, pool, oidp, index, &intransit); + if (intransit) + ret = -EAGAIN; + else if (new_pampd != NULL) + *ppampd = new_pampd; + /* must release the hb->lock else repatriate can't sleep */ + spin_unlock(&hb->lock); + if (!intransit) + ret = (*tmem_pamops.repatriate)(old_pampd, new_pampd, pool, + oidp, index, free, data); + return ret; +} + +/* + * "Get" a page, e.g. if one can be found, copy the tmem page with the + * matching handle from PAM space to the kernel. By tmem definition, + * when a "get" is successful on an ephemeral page, the page is "flushed", + * and when a "get" is successful on a persistent page, the page is retained + * in tmem. Note that to preserve + * coherency, "get" can never be skipped if tmem contains the data. + * That is, if a get is done with a certain handle and fails, any + * subsequent "get" must also fail (unless of course there is a + * "put" done with the same handle). + + */ +int tmem_get(struct tmem_pool *pool, struct tmem_oid *oidp, uint32_t index, + char *data, size_t *size, bool raw, int get_and_free) +{ + struct tmem_obj *obj; + void *pampd; + bool ephemeral = is_ephemeral(pool); + int ret = -1; + struct tmem_hashbucket *hb; + bool free = (get_and_free == 1) || ((get_and_free == 0) && ephemeral); + bool lock_held = 0; + void **ppampd; + +again: + hb = &pool->hashbucket[tmem_oid_hash(oidp)]; + spin_lock(&hb->lock); + lock_held = 1; + obj = tmem_obj_find(hb, oidp); + if (obj == NULL) + goto out; + ppampd = __tmem_pampd_lookup_in_obj(obj, index); + if (ppampd == NULL) + goto out; + if (tmem_pamops.is_remote(*ppampd)) { + ret = tmem_repatriate(ppampd, hb, pool, oidp, + index, free, data); + lock_held = 0; /* note hb->lock has been unlocked */ + if (ret == -EAGAIN) { + /* rare I think, but should cond_resched()??? */ + usleep_range(10, 1000); + goto again; + } else if (ret != 0) { + if (ret != -ENOENT) + pr_err("UNTESTED case in tmem_get, ret=%d\n", + ret); + ret = -1; + goto out; + } + goto out; + } + if (free) + pampd = tmem_pampd_delete_from_obj(obj, index); + else + pampd = tmem_pampd_lookup_in_obj(obj, index); + if (pampd == NULL) + goto out; + if (free) { + if (obj->pampd_count == 0) { + tmem_obj_free(obj, hb); + (*tmem_hostops.obj_free)(obj, pool); + obj = NULL; + } + } + if (free) + ret = (*tmem_pamops.get_data_and_free)( + data, size, raw, pampd, pool, oidp, index); + else + ret = (*tmem_pamops.get_data)( + data, size, raw, pampd, pool, oidp, index); + if (ret < 0) + goto out; + ret = 0; +out: + if (lock_held) + spin_unlock(&hb->lock); + return ret; +} + +/* + * If a page in tmem matches the handle, "flush" this page from tmem such + * that any subsequent "get" does not succeed (unless, of course, there + * was another "put" with the same handle). + */ +int tmem_flush_page(struct tmem_pool *pool, + struct tmem_oid *oidp, uint32_t index) +{ + struct tmem_obj *obj; + void *pampd; + int ret = -1; + struct tmem_hashbucket *hb; + + hb = &pool->hashbucket[tmem_oid_hash(oidp)]; + spin_lock(&hb->lock); + obj = tmem_obj_find(hb, oidp); + if (obj == NULL) + goto out; + pampd = tmem_pampd_delete_from_obj(obj, index); + if (pampd == NULL) + goto out; + (*tmem_pamops.free)(pampd, pool, oidp, index, true); + if (obj->pampd_count == 0) { + tmem_obj_free(obj, hb); + (*tmem_hostops.obj_free)(obj, pool); + } + ret = 0; + +out: + spin_unlock(&hb->lock); + return ret; +} + +/* + * If a page in tmem matches the handle, replace the page so that any + * subsequent "get" gets the new page. Returns the new page if + * there was a page to replace, else returns NULL. + */ +int tmem_replace(struct tmem_pool *pool, struct tmem_oid *oidp, + uint32_t index, void *new_pampd) +{ + struct tmem_obj *obj; + int ret = -1; + struct tmem_hashbucket *hb; + + hb = &pool->hashbucket[tmem_oid_hash(oidp)]; + spin_lock(&hb->lock); + obj = tmem_obj_find(hb, oidp); + if (obj == NULL) + goto out; + new_pampd = tmem_pampd_replace_in_obj(obj, index, new_pampd, 0); + ret = (*tmem_pamops.replace_in_obj)(new_pampd, obj); +out: + spin_unlock(&hb->lock); + return ret; +} + +/* + * "Flush" all pages in tmem matching this oid. + */ +int tmem_flush_object(struct tmem_pool *pool, struct tmem_oid *oidp) +{ + struct tmem_obj *obj; + struct tmem_hashbucket *hb; + int ret = -1; + + hb = &pool->hashbucket[tmem_oid_hash(oidp)]; + spin_lock(&hb->lock); + obj = tmem_obj_find(hb, oidp); + if (obj == NULL) + goto out; + tmem_pampd_destroy_all_in_obj(obj); + tmem_obj_free(obj, hb); + (*tmem_hostops.obj_free)(obj, pool); + ret = 0; + +out: + spin_unlock(&hb->lock); + return ret; +} + +/* + * "Flush" all pages (and tmem_objs) from this tmem_pool and disable + * all subsequent access to this tmem_pool. + */ +int tmem_destroy_pool(struct tmem_pool *pool) +{ + int ret = -1; + + if (pool == NULL) + goto out; + tmem_pool_flush(pool, 1); + ret = 0; +out: + return ret; +} + +static LIST_HEAD(tmem_global_pool_list); + +/* + * Create a new tmem_pool with the provided flag and return + * a pool id provided by the tmem host implementation. + */ +void tmem_new_pool(struct tmem_pool *pool, uint32_t flags) +{ + int persistent = flags & TMEM_POOL_PERSIST; + int shared = flags & TMEM_POOL_SHARED; + struct tmem_hashbucket *hb = &pool->hashbucket[0]; + int i; + + for (i = 0; i < TMEM_HASH_BUCKETS; i++, hb++) { + hb->obj_rb_root = RB_ROOT; + spin_lock_init(&hb->lock); + } + INIT_LIST_HEAD(&pool->pool_list); + atomic_set(&pool->obj_count, 0); + SET_SENTINEL(pool, POOL); + list_add_tail(&pool->pool_list, &tmem_global_pool_list); + pool->persistent = persistent; + pool->shared = shared; +} diff --git a/drivers/staging/ramster/tmem.h b/drivers/staging/ramster/tmem.h new file mode 100644 index 00000000000..47f1918c831 --- /dev/null +++ b/drivers/staging/ramster/tmem.h @@ -0,0 +1,244 @@ +/* + * tmem.h + * + * Transcendent memory + * + * Copyright (c) 2009-2011, Dan Magenheimer, Oracle Corp. + */ + +#ifndef _TMEM_H_ +#define _TMEM_H_ + +#include <linux/highmem.h> +#include <linux/hash.h> +#include <linux/atomic.h> + +/* + * These are pre-defined by the Xen<->Linux ABI + */ +#define TMEM_PUT_PAGE 4 +#define TMEM_GET_PAGE 5 +#define TMEM_FLUSH_PAGE 6 +#define TMEM_FLUSH_OBJECT 7 +#define TMEM_POOL_PERSIST 1 +#define TMEM_POOL_SHARED 2 +#define TMEM_POOL_PRECOMPRESSED 4 +#define TMEM_POOL_PAGESIZE_SHIFT 4 +#define TMEM_POOL_PAGESIZE_MASK 0xf +#define TMEM_POOL_RESERVED_BITS 0x00ffff00 + +/* + * sentinels have proven very useful for debugging but can be removed + * or disabled before final merge. + */ +#define SENTINELS +#ifdef SENTINELS +#define DECL_SENTINEL uint32_t sentinel; +#define SET_SENTINEL(_x, _y) (_x->sentinel = _y##_SENTINEL) +#define INVERT_SENTINEL(_x, _y) (_x->sentinel = ~_y##_SENTINEL) +#define ASSERT_SENTINEL(_x, _y) WARN_ON(_x->sentinel != _y##_SENTINEL) +#define ASSERT_INVERTED_SENTINEL(_x, _y) WARN_ON(_x->sentinel != ~_y##_SENTINEL) +#else +#define DECL_SENTINEL +#define SET_SENTINEL(_x, _y) do { } while (0) +#define INVERT_SENTINEL(_x, _y) do { } while (0) +#define ASSERT_SENTINEL(_x, _y) do { } while (0) +#define ASSERT_INVERTED_SENTINEL(_x, _y) do { } while (0) +#endif + +#define ASSERT_SPINLOCK(_l) WARN_ON(!spin_is_locked(_l)) + +/* + * A pool is the highest-level data structure managed by tmem and + * usually corresponds to a large independent set of pages such as + * a filesystem. Each pool has an id, and certain attributes and counters. + * It also contains a set of hash buckets, each of which contains an rbtree + * of objects and a lock to manage concurrency within the pool. + */ + +#define TMEM_HASH_BUCKET_BITS 8 +#define TMEM_HASH_BUCKETS (1<<TMEM_HASH_BUCKET_BITS) + +struct tmem_hashbucket { + struct rb_root obj_rb_root; + spinlock_t lock; +}; + +struct tmem_pool { + void *client; /* "up" for some clients, avoids table lookup */ + struct list_head pool_list; + uint32_t pool_id; + bool persistent; + bool shared; + atomic_t obj_count; + atomic_t refcount; + struct tmem_hashbucket hashbucket[TMEM_HASH_BUCKETS]; + DECL_SENTINEL +}; + +#define is_persistent(_p) (_p->persistent) +#define is_ephemeral(_p) (!(_p->persistent)) + +/* + * An object id ("oid") is large: 192-bits (to ensure, for example, files + * in a modern filesystem can be uniquely identified). + */ + +struct tmem_oid { + uint64_t oid[3]; +}; + +struct tmem_xhandle { + uint8_t client_id; + uint8_t xh_data_cksum; + uint16_t xh_data_size; + uint16_t pool_id; + struct tmem_oid oid; + uint32_t index; + void *extra; +}; + +static inline struct tmem_xhandle tmem_xhandle_fill(uint16_t client_id, + struct tmem_pool *pool, + struct tmem_oid *oidp, + uint32_t index) +{ + struct tmem_xhandle xh; + xh.client_id = client_id; + xh.xh_data_cksum = (uint8_t)-1; + xh.xh_data_size = (uint16_t)-1; + xh.pool_id = pool->pool_id; + xh.oid = *oidp; + xh.index = index; + return xh; +} + +static inline void tmem_oid_set_invalid(struct tmem_oid *oidp) +{ + oidp->oid[0] = oidp->oid[1] = oidp->oid[2] = -1UL; +} + +static inline bool tmem_oid_valid(struct tmem_oid *oidp) +{ + return oidp->oid[0] != -1UL || oidp->oid[1] != -1UL || + oidp->oid[2] != -1UL; +} + +static inline int tmem_oid_compare(struct tmem_oid *left, + struct tmem_oid *right) +{ + int ret; + + if (left->oid[2] == right->oid[2]) { + if (left->oid[1] == right->oid[1]) { + if (left->oid[0] == right->oid[0]) + ret = 0; + else if (left->oid[0] < right->oid[0]) + ret = -1; + else + return 1; + } else if (left->oid[1] < right->oid[1]) + ret = -1; + else + ret = 1; + } else if (left->oid[2] < right->oid[2]) + ret = -1; + else + ret = 1; + return ret; +} + +static inline unsigned tmem_oid_hash(struct tmem_oid *oidp) +{ + return hash_long(oidp->oid[0] ^ oidp->oid[1] ^ oidp->oid[2], + TMEM_HASH_BUCKET_BITS); +} + +/* + * A tmem_obj contains an identifier (oid), pointers to the parent + * pool and the rb_tree to which it belongs, counters, and an ordered + * set of pampds, structured in a radix-tree-like tree. The intermediate + * nodes of the tree are called tmem_objnodes. + */ + +struct tmem_objnode; + +struct tmem_obj { + struct tmem_oid oid; + struct tmem_pool *pool; + struct rb_node rb_tree_node; + struct tmem_objnode *objnode_tree_root; + unsigned int objnode_tree_height; + unsigned long objnode_count; + long pampd_count; + /* for current design of ramster, all pages belonging to + * an object reside on the same remotenode and extra is + * used to record the number of the remotenode so a + * flush-object operation can specify it */ + void *extra; /* for use by pampd implementation */ + DECL_SENTINEL +}; + +#define OBJNODE_TREE_MAP_SHIFT 6 +#define OBJNODE_TREE_MAP_SIZE (1UL << OBJNODE_TREE_MAP_SHIFT) +#define OBJNODE_TREE_MAP_MASK (OBJNODE_TREE_MAP_SIZE-1) +#define OBJNODE_TREE_INDEX_BITS (8 /* CHAR_BIT */ * sizeof(unsigned long)) +#define OBJNODE_TREE_MAX_PATH \ + (OBJNODE_TREE_INDEX_BITS/OBJNODE_TREE_MAP_SHIFT + 2) + +struct tmem_objnode { + struct tmem_obj *obj; + DECL_SENTINEL + void *slots[OBJNODE_TREE_MAP_SIZE]; + unsigned int slots_in_use; +}; + +/* pampd abstract datatype methods provided by the PAM implementation */ +struct tmem_pamops { + void *(*create)(char *, size_t, bool, int, + struct tmem_pool *, struct tmem_oid *, uint32_t); + int (*get_data)(char *, size_t *, bool, void *, struct tmem_pool *, + struct tmem_oid *, uint32_t); + int (*get_data_and_free)(char *, size_t *, bool, void *, + struct tmem_pool *, struct tmem_oid *, + uint32_t); + void (*free)(void *, struct tmem_pool *, + struct tmem_oid *, uint32_t, bool); + void (*free_obj)(struct tmem_pool *, struct tmem_obj *); + bool (*is_remote)(void *); + void *(*repatriate_preload)(void *, struct tmem_pool *, + struct tmem_oid *, uint32_t, bool *); + int (*repatriate)(void *, void *, struct tmem_pool *, + struct tmem_oid *, uint32_t, bool, void *); + void (*new_obj)(struct tmem_obj *); + int (*replace_in_obj)(void *, struct tmem_obj *); +}; +extern void tmem_register_pamops(struct tmem_pamops *m); + +/* memory allocation methods provided by the host implementation */ +struct tmem_hostops { + struct tmem_obj *(*obj_alloc)(struct tmem_pool *); + void (*obj_free)(struct tmem_obj *, struct tmem_pool *); + struct tmem_objnode *(*objnode_alloc)(struct tmem_pool *); + void (*objnode_free)(struct tmem_objnode *, struct tmem_pool *); +}; +extern void tmem_register_hostops(struct tmem_hostops *m); + +/* core tmem accessor functions */ +extern int tmem_put(struct tmem_pool *, struct tmem_oid *, uint32_t index, + char *, size_t, bool, int); +extern int tmem_get(struct tmem_pool *, struct tmem_oid *, uint32_t index, + char *, size_t *, bool, int); +extern int tmem_replace(struct tmem_pool *, struct tmem_oid *, uint32_t index, + void *); +extern void *tmem_localify_get_pampd(struct tmem_pool *, struct tmem_oid *, + uint32_t index, struct tmem_obj **, + void **); +extern void tmem_localify_finish(struct tmem_obj *, uint32_t index, + void *, void *, bool); +extern int tmem_flush_page(struct tmem_pool *, struct tmem_oid *, + uint32_t index); +extern int tmem_flush_object(struct tmem_pool *, struct tmem_oid *); +extern int tmem_destroy_pool(struct tmem_pool *); +extern void tmem_new_pool(struct tmem_pool *, uint32_t); +#endif /* _TMEM_H */ diff --git a/drivers/staging/zram/xvmalloc.c b/drivers/staging/ramster/xvmalloc.c index 1f9c5082b6d..1f9c5082b6d 100644 --- a/drivers/staging/zram/xvmalloc.c +++ b/drivers/staging/ramster/xvmalloc.c diff --git a/drivers/staging/zram/xvmalloc.h b/drivers/staging/ramster/xvmalloc.h index 5b1a81aa5fa..5b1a81aa5fa 100644 --- a/drivers/staging/zram/xvmalloc.h +++ b/drivers/staging/ramster/xvmalloc.h diff --git a/drivers/staging/zram/xvmalloc_int.h b/drivers/staging/ramster/xvmalloc_int.h index b5f1f7febcf..b5f1f7febcf 100644 --- a/drivers/staging/zram/xvmalloc_int.h +++ b/drivers/staging/ramster/xvmalloc_int.h diff --git a/drivers/staging/ramster/zcache-main.c b/drivers/staging/ramster/zcache-main.c new file mode 100644 index 00000000000..36d53ed9d71 --- /dev/null +++ b/drivers/staging/ramster/zcache-main.c @@ -0,0 +1,3320 @@ +/* + * zcache.c + * + * Copyright (c) 2010-2012, Dan Magenheimer, Oracle Corp. + * Copyright (c) 2010,2011, Nitin Gupta + * + * Zcache provides an in-kernel "host implementation" for transcendent memory + * and, thus indirectly, for cleancache and frontswap. Zcache includes two + * page-accessible memory [1] interfaces, both utilizing lzo1x compression: + * 1) "compression buddies" ("zbud") is used for ephemeral pages + * 2) xvmalloc is used for persistent pages. + * Xvmalloc (based on the TLSF allocator) has very low fragmentation + * so maximizes space efficiency, while zbud allows pairs (and potentially, + * in the future, more than a pair of) compressed pages to be closely linked + * so that reclaiming can be done via the kernel's physical-page-oriented + * "shrinker" interface. + * + * [1] For a definition of page-accessible memory (aka PAM), see: + * http://marc.info/?l=linux-mm&m=127811271605009 + * RAMSTER TODO: + * - handle remotifying of buddied pages (see zbud_remotify_zbpg) + * - kernel boot params: nocleancache/nofrontswap don't always work?!? + */ + +#include <linux/module.h> +#include <linux/cpu.h> +#include <linux/highmem.h> +#include <linux/list.h> +#include <linux/lzo.h> +#include <linux/slab.h> +#include <linux/spinlock.h> +#include <linux/types.h> +#include <linux/atomic.h> +#include <linux/math64.h> +#include "tmem.h" +#include "zcache.h" +#include "ramster.h" +#include "cluster/tcp.h" + +#include "xvmalloc.h" /* temporary until change to zsmalloc */ + +#define RAMSTER_TESTING + +#if (!defined(CONFIG_CLEANCACHE) && !defined(CONFIG_FRONTSWAP)) +#error "ramster is useless without CONFIG_CLEANCACHE or CONFIG_FRONTSWAP" +#endif +#ifdef CONFIG_CLEANCACHE +#include <linux/cleancache.h> +#endif +#ifdef CONFIG_FRONTSWAP +#include <linux/frontswap.h> +#endif + +enum ramster_remotify_op { + RAMSTER_REMOTIFY_EPH_PUT, + RAMSTER_REMOTIFY_PERS_PUT, + RAMSTER_REMOTIFY_FLUSH_PAGE, + RAMSTER_REMOTIFY_FLUSH_OBJ, + RAMSTER_INTRANSIT_PERS +}; + +struct ramster_remotify_hdr { + enum ramster_remotify_op op; + struct list_head list; +}; + +#define ZBH_SENTINEL 0x43214321 +#define ZBPG_SENTINEL 0xdeadbeef + +#define ZBUD_MAX_BUDS 2 + +struct zbud_hdr { + struct ramster_remotify_hdr rem_op; + uint16_t client_id; + uint16_t pool_id; + struct tmem_oid oid; + uint32_t index; + uint16_t size; /* compressed size in bytes, zero means unused */ + DECL_SENTINEL +}; + +#define ZVH_SENTINEL 0x43214321 +static const int zv_max_page_size = (PAGE_SIZE / 8) * 7; + +struct zv_hdr { + struct ramster_remotify_hdr rem_op; + uint16_t client_id; + uint16_t pool_id; + struct tmem_oid oid; + uint32_t index; + DECL_SENTINEL +}; + +struct flushlist_node { + struct ramster_remotify_hdr rem_op; + struct tmem_xhandle xh; +}; + +union { + struct ramster_remotify_hdr rem_op; + struct zv_hdr zv; + struct zbud_hdr zbud; + struct flushlist_node flist; +} remotify_list_node; + +static LIST_HEAD(zcache_rem_op_list); +static DEFINE_SPINLOCK(zcache_rem_op_list_lock); + +#if 0 +/* this is more aggressive but may cause other problems? */ +#define ZCACHE_GFP_MASK (GFP_ATOMIC | __GFP_NORETRY | __GFP_NOWARN) +#else +#define ZCACHE_GFP_MASK \ + (__GFP_FS | __GFP_NORETRY | __GFP_NOWARN | __GFP_NOMEMALLOC) +#endif + +#define MAX_POOLS_PER_CLIENT 16 + +#define MAX_CLIENTS 16 +#define LOCAL_CLIENT ((uint16_t)-1) + +MODULE_LICENSE("GPL"); + +struct zcache_client { + struct tmem_pool *tmem_pools[MAX_POOLS_PER_CLIENT]; + struct xv_pool *xvpool; + bool allocated; + atomic_t refcount; +}; + +static struct zcache_client zcache_host; +static struct zcache_client zcache_clients[MAX_CLIENTS]; + +static inline uint16_t get_client_id_from_client(struct zcache_client *cli) +{ + BUG_ON(cli == NULL); + if (cli == &zcache_host) + return LOCAL_CLIENT; + return cli - &zcache_clients[0]; +} + +static inline bool is_local_client(struct zcache_client *cli) +{ + return cli == &zcache_host; +} + +/********** + * Compression buddies ("zbud") provides for packing two (or, possibly + * in the future, more) compressed ephemeral pages into a single "raw" + * (physical) page and tracking them with data structures so that + * the raw pages can be easily reclaimed. + * + * A zbud page ("zbpg") is an aligned page containing a list_head, + * a lock, and two "zbud headers". The remainder of the physical + * page is divided up into aligned 64-byte "chunks" which contain + * the compressed data for zero, one, or two zbuds. Each zbpg + * resides on: (1) an "unused list" if it has no zbuds; (2) a + * "buddied" list if it is fully populated with two zbuds; or + * (3) one of PAGE_SIZE/64 "unbuddied" lists indexed by how many chunks + * the one unbuddied zbud uses. The data inside a zbpg cannot be + * read or written unless the zbpg's lock is held. + */ + +struct zbud_page { + struct list_head bud_list; + spinlock_t lock; + struct zbud_hdr buddy[ZBUD_MAX_BUDS]; + DECL_SENTINEL + /* followed by NUM_CHUNK aligned CHUNK_SIZE-byte chunks */ +}; + +#define CHUNK_SHIFT 6 +#define CHUNK_SIZE (1 << CHUNK_SHIFT) +#define CHUNK_MASK (~(CHUNK_SIZE-1)) +#define NCHUNKS (((PAGE_SIZE - sizeof(struct zbud_page)) & \ + CHUNK_MASK) >> CHUNK_SHIFT) +#define MAX_CHUNK (NCHUNKS-1) + +static struct { + struct list_head list; + unsigned count; +} zbud_unbuddied[NCHUNKS]; +/* list N contains pages with N chunks USED and NCHUNKS-N unused */ +/* element 0 is never used but optimizing that isn't worth it */ +static unsigned long zbud_cumul_chunk_counts[NCHUNKS]; + +struct list_head zbud_buddied_list; +static unsigned long zcache_zbud_buddied_count; + +/* protects the buddied list and all unbuddied lists */ +static DEFINE_SPINLOCK(zbud_budlists_spinlock); + +static atomic_t zcache_zbud_curr_raw_pages; +static atomic_t zcache_zbud_curr_zpages; +static unsigned long zcache_zbud_curr_zbytes; +static unsigned long zcache_zbud_cumul_zpages; +static unsigned long zcache_zbud_cumul_zbytes; +static unsigned long zcache_compress_poor; +static unsigned long zcache_policy_percent_exceeded; +static unsigned long zcache_mean_compress_poor; + +/* + * RAMster counters + * - Remote pages are pages with a local pampd but the data is remote + * - Foreign pages are pages stored locally but belonging to another node + */ +static atomic_t ramster_remote_pers_pages = ATOMIC_INIT(0); +static unsigned long ramster_pers_remotify_enable; +static unsigned long ramster_eph_remotify_enable; +static unsigned long ramster_eph_pages_remoted; +static unsigned long ramster_eph_pages_remote_failed; +static unsigned long ramster_pers_pages_remoted; +static unsigned long ramster_pers_pages_remote_failed; +static unsigned long ramster_pers_pages_remote_nomem; +static unsigned long ramster_remote_objects_flushed; +static unsigned long ramster_remote_object_flushes_failed; +static unsigned long ramster_remote_pages_flushed; +static unsigned long ramster_remote_page_flushes_failed; +static unsigned long ramster_remote_eph_pages_succ_get; +static unsigned long ramster_remote_pers_pages_succ_get; +static unsigned long ramster_remote_eph_pages_unsucc_get; +static unsigned long ramster_remote_pers_pages_unsucc_get; +static atomic_t ramster_curr_flnode_count = ATOMIC_INIT(0); +static unsigned long ramster_curr_flnode_count_max; +static atomic_t ramster_foreign_eph_pampd_count = ATOMIC_INIT(0); +static unsigned long ramster_foreign_eph_pampd_count_max; +static atomic_t ramster_foreign_pers_pampd_count = ATOMIC_INIT(0); +static unsigned long ramster_foreign_pers_pampd_count_max; + +/* forward references */ +static void *zcache_get_free_page(void); +static void zcache_free_page(void *p); + +/* + * zbud helper functions + */ + +static inline unsigned zbud_max_buddy_size(void) +{ + return MAX_CHUNK << CHUNK_SHIFT; +} + +static inline unsigned zbud_size_to_chunks(unsigned size) +{ + BUG_ON(size == 0 || size > zbud_max_buddy_size()); + return (size + CHUNK_SIZE - 1) >> CHUNK_SHIFT; +} + +static inline int zbud_budnum(struct zbud_hdr *zh) +{ + unsigned offset = (unsigned long)zh & (PAGE_SIZE - 1); + struct zbud_page *zbpg = NULL; + unsigned budnum = -1U; + int i; + + for (i = 0; i < ZBUD_MAX_BUDS; i++) + if (offset == offsetof(typeof(*zbpg), buddy[i])) { + budnum = i; + break; + } + BUG_ON(budnum == -1U); + return budnum; +} + +static char *zbud_data(struct zbud_hdr *zh, unsigned size) +{ + struct zbud_page *zbpg; + char *p; + unsigned budnum; + + ASSERT_SENTINEL(zh, ZBH); + budnum = zbud_budnum(zh); + BUG_ON(size == 0 || size > zbud_max_buddy_size()); + zbpg = container_of(zh, struct zbud_page, buddy[budnum]); + ASSERT_SPINLOCK(&zbpg->lock); + p = (char *)zbpg; + if (budnum == 0) + p += ((sizeof(struct zbud_page) + CHUNK_SIZE - 1) & + CHUNK_MASK); + else if (budnum == 1) + p += PAGE_SIZE - ((size + CHUNK_SIZE - 1) & CHUNK_MASK); + return p; +} + +static void zbud_copy_from_pampd(char *data, size_t *size, struct zbud_hdr *zh) +{ + struct zbud_page *zbpg; + char *p; + unsigned budnum; + + ASSERT_SENTINEL(zh, ZBH); + budnum = zbud_budnum(zh); + zbpg = container_of(zh, struct zbud_page, buddy[budnum]); + spin_lock(&zbpg->lock); + BUG_ON(zh->size > *size); + p = (char *)zbpg; + if (budnum == 0) + p += ((sizeof(struct zbud_page) + CHUNK_SIZE - 1) & + CHUNK_MASK); + else if (budnum == 1) + p += PAGE_SIZE - ((zh->size + CHUNK_SIZE - 1) & CHUNK_MASK); + /* client should be filled in by caller */ + memcpy(data, p, zh->size); + *size = zh->size; + spin_unlock(&zbpg->lock); +} + +/* + * zbud raw page management + */ + +static struct zbud_page *zbud_alloc_raw_page(void) +{ + struct zbud_page *zbpg = NULL; + struct zbud_hdr *zh0, *zh1; + zbpg = zcache_get_free_page(); + if (likely(zbpg != NULL)) { + INIT_LIST_HEAD(&zbpg->bud_list); + zh0 = &zbpg->buddy[0]; zh1 = &zbpg->buddy[1]; + spin_lock_init(&zbpg->lock); + atomic_inc(&zcache_zbud_curr_raw_pages); + INIT_LIST_HEAD(&zbpg->bud_list); + SET_SENTINEL(zbpg, ZBPG); + zh0->size = 0; zh1->size = 0; + tmem_oid_set_invalid(&zh0->oid); + tmem_oid_set_invalid(&zh1->oid); + } + return zbpg; +} + +static void zbud_free_raw_page(struct zbud_page *zbpg) +{ + struct zbud_hdr *zh0 = &zbpg->buddy[0], *zh1 = &zbpg->buddy[1]; + + ASSERT_SENTINEL(zbpg, ZBPG); + BUG_ON(!list_empty(&zbpg->bud_list)); + ASSERT_SPINLOCK(&zbpg->lock); + BUG_ON(zh0->size != 0 || tmem_oid_valid(&zh0->oid)); + BUG_ON(zh1->size != 0 || tmem_oid_valid(&zh1->oid)); + INVERT_SENTINEL(zbpg, ZBPG); + spin_unlock(&zbpg->lock); + atomic_dec(&zcache_zbud_curr_raw_pages); + zcache_free_page(zbpg); +} + +/* + * core zbud handling routines + */ + +static unsigned zbud_free(struct zbud_hdr *zh) +{ + unsigned size; + + ASSERT_SENTINEL(zh, ZBH); + BUG_ON(!tmem_oid_valid(&zh->oid)); + size = zh->size; + BUG_ON(zh->size == 0 || zh->size > zbud_max_buddy_size()); + zh->size = 0; + tmem_oid_set_invalid(&zh->oid); + INVERT_SENTINEL(zh, ZBH); + zcache_zbud_curr_zbytes -= size; + atomic_dec(&zcache_zbud_curr_zpages); + return size; +} + +static void zbud_free_and_delist(struct zbud_hdr *zh) +{ + unsigned chunks; + struct zbud_hdr *zh_other; + unsigned budnum = zbud_budnum(zh), size; + struct zbud_page *zbpg = + container_of(zh, struct zbud_page, buddy[budnum]); + + /* FIXME, should be BUG_ON, pool destruction path doesn't disable + * interrupts tmem_destroy_pool()->tmem_pampd_destroy_all_in_obj()-> + * tmem_objnode_node_destroy()-> zcache_pampd_free() */ + WARN_ON(!irqs_disabled()); + spin_lock(&zbpg->lock); + if (list_empty(&zbpg->bud_list)) { + /* ignore zombie page... see zbud_evict_pages() */ + spin_unlock(&zbpg->lock); + return; + } + size = zbud_free(zh); + ASSERT_SPINLOCK(&zbpg->lock); + zh_other = &zbpg->buddy[(budnum == 0) ? 1 : 0]; + if (zh_other->size == 0) { /* was unbuddied: unlist and free */ + chunks = zbud_size_to_chunks(size) ; + spin_lock(&zbud_budlists_spinlock); + BUG_ON(list_empty(&zbud_unbuddied[chunks].list)); + list_del_init(&zbpg->bud_list); + zbud_unbuddied[chunks].count--; + spin_unlock(&zbud_budlists_spinlock); + zbud_free_raw_page(zbpg); + } else { /* was buddied: move remaining buddy to unbuddied list */ + chunks = zbud_size_to_chunks(zh_other->size) ; + spin_lock(&zbud_budlists_spinlock); + list_del_init(&zbpg->bud_list); + zcache_zbud_buddied_count--; + list_add_tail(&zbpg->bud_list, &zbud_unbuddied[chunks].list); + zbud_unbuddied[chunks].count++; + spin_unlock(&zbud_budlists_spinlock); + spin_unlock(&zbpg->lock); + } +} + +static struct zbud_hdr *zbud_create(uint16_t client_id, uint16_t pool_id, + struct tmem_oid *oid, + uint32_t index, struct page *page, + void *cdata, unsigned size) +{ + struct zbud_hdr *zh0, *zh1, *zh = NULL; + struct zbud_page *zbpg = NULL, *ztmp; + unsigned nchunks; + char *to; + int i, found_good_buddy = 0; + + nchunks = zbud_size_to_chunks(size) ; + for (i = MAX_CHUNK - nchunks + 1; i > 0; i--) { + spin_lock(&zbud_budlists_spinlock); + if (!list_empty(&zbud_unbuddied[i].list)) { + list_for_each_entry_safe(zbpg, ztmp, + &zbud_unbuddied[i].list, bud_list) { + if (spin_trylock(&zbpg->lock)) { + found_good_buddy = i; + goto found_unbuddied; + } + } + } + spin_unlock(&zbud_budlists_spinlock); + } + /* didn't find a good buddy, try allocating a new page */ + zbpg = zbud_alloc_raw_page(); + if (unlikely(zbpg == NULL)) + goto out; + /* ok, have a page, now compress the data before taking locks */ + spin_lock(&zbud_budlists_spinlock); + spin_lock(&zbpg->lock); + list_add_tail(&zbpg->bud_list, &zbud_unbuddied[nchunks].list); + zbud_unbuddied[nchunks].count++; + zh = &zbpg->buddy[0]; + goto init_zh; + +found_unbuddied: + ASSERT_SPINLOCK(&zbpg->lock); + zh0 = &zbpg->buddy[0]; zh1 = &zbpg->buddy[1]; + BUG_ON(!((zh0->size == 0) ^ (zh1->size == 0))); + if (zh0->size != 0) { /* buddy0 in use, buddy1 is vacant */ + ASSERT_SENTINEL(zh0, ZBH); + zh = zh1; + } else if (zh1->size != 0) { /* buddy1 in use, buddy0 is vacant */ + ASSERT_SENTINEL(zh1, ZBH); + zh = zh0; + } else + BUG(); + list_del_init(&zbpg->bud_list); + zbud_unbuddied[found_good_buddy].count--; + list_add_tail(&zbpg->bud_list, &zbud_buddied_list); + zcache_zbud_buddied_count++; + +init_zh: + SET_SENTINEL(zh, ZBH); + zh->size = size; + zh->index = index; + zh->oid = *oid; + zh->pool_id = pool_id; + zh->client_id = client_id; + to = zbud_data(zh, size); + memcpy(to, cdata, size); + spin_unlock(&zbpg->lock); + spin_unlock(&zbud_budlists_spinlock); + zbud_cumul_chunk_counts[nchunks]++; + atomic_inc(&zcache_zbud_curr_zpages); + zcache_zbud_cumul_zpages++; + zcache_zbud_curr_zbytes += size; + zcache_zbud_cumul_zbytes += size; +out: + return zh; +} + +static int zbud_decompress(struct page *page, struct zbud_hdr *zh) +{ + struct zbud_page *zbpg; + unsigned budnum = zbud_budnum(zh); + size_t out_len = PAGE_SIZE; + char *to_va, *from_va; + unsigned size; + int ret = 0; + + zbpg = container_of(zh, struct zbud_page, buddy[budnum]); + spin_lock(&zbpg->lock); + if (list_empty(&zbpg->bud_list)) { + /* ignore zombie page... see zbud_evict_pages() */ + ret = -EINVAL; + goto out; + } + ASSERT_SENTINEL(zh, ZBH); + BUG_ON(zh->size == 0 || zh->size > zbud_max_buddy_size()); + to_va = kmap_atomic(page, KM_USER0); + size = zh->size; + from_va = zbud_data(zh, size); + ret = lzo1x_decompress_safe(from_va, size, to_va, &out_len); + BUG_ON(ret != LZO_E_OK); + BUG_ON(out_len != PAGE_SIZE); + kunmap_atomic(to_va, KM_USER0); +out: + spin_unlock(&zbpg->lock); + return ret; +} + +/* + * The following routines handle shrinking of ephemeral pages by evicting + * pages "least valuable" first. + */ + +static unsigned long zcache_evicted_raw_pages; +static unsigned long zcache_evicted_buddied_pages; +static unsigned long zcache_evicted_unbuddied_pages; + +static struct tmem_pool *zcache_get_pool_by_id(uint16_t cli_id, + uint16_t poolid); +static void zcache_put_pool(struct tmem_pool *pool); + +/* + * Flush and free all zbuds in a zbpg, then free the pageframe + */ +static void zbud_evict_zbpg(struct zbud_page *zbpg) +{ + struct zbud_hdr *zh; + int i, j; + uint32_t pool_id[ZBUD_MAX_BUDS], client_id[ZBUD_MAX_BUDS]; + uint32_t index[ZBUD_MAX_BUDS]; + struct tmem_oid oid[ZBUD_MAX_BUDS]; + struct tmem_pool *pool; + unsigned long flags; + + ASSERT_SPINLOCK(&zbpg->lock); + for (i = 0, j = 0; i < ZBUD_MAX_BUDS; i++) { + zh = &zbpg->buddy[i]; + if (zh->size) { + client_id[j] = zh->client_id; + pool_id[j] = zh->pool_id; + oid[j] = zh->oid; + index[j] = zh->index; + j++; + } + } + spin_unlock(&zbpg->lock); + for (i = 0; i < j; i++) { + pool = zcache_get_pool_by_id(client_id[i], pool_id[i]); + BUG_ON(pool == NULL); + local_irq_save(flags); + /* these flushes should dispose of any local storage */ + tmem_flush_page(pool, &oid[i], index[i]); + local_irq_restore(flags); + zcache_put_pool(pool); + } +} + +/* + * Free nr pages. This code is funky because we want to hold the locks + * protecting various lists for as short a time as possible, and in some + * circumstances the list may change asynchronously when the list lock is + * not held. In some cases we also trylock not only to avoid waiting on a + * page in use by another cpu, but also to avoid potential deadlock due to + * lock inversion. + */ +static void zbud_evict_pages(int nr) +{ + struct zbud_page *zbpg; + int i, newly_unused_pages = 0; + + + /* now try freeing unbuddied pages, starting with least space avail */ + for (i = 0; i < MAX_CHUNK; i++) { +retry_unbud_list_i: + spin_lock_bh(&zbud_budlists_spinlock); + if (list_empty(&zbud_unbuddied[i].list)) { + spin_unlock_bh(&zbud_budlists_spinlock); + continue; + } + list_for_each_entry(zbpg, &zbud_unbuddied[i].list, bud_list) { + if (unlikely(!spin_trylock(&zbpg->lock))) + continue; + zbud_unbuddied[i].count--; + spin_unlock(&zbud_budlists_spinlock); + zcache_evicted_unbuddied_pages++; + /* want budlists unlocked when doing zbpg eviction */ + zbud_evict_zbpg(zbpg); + newly_unused_pages++; + local_bh_enable(); + if (--nr <= 0) + goto evict_unused; + goto retry_unbud_list_i; + } + spin_unlock_bh(&zbud_budlists_spinlock); + } + + /* as a last resort, free buddied pages */ +retry_bud_list: + spin_lock_bh(&zbud_budlists_spinlock); + if (list_empty(&zbud_buddied_list)) { + spin_unlock_bh(&zbud_budlists_spinlock); + goto evict_unused; + } + list_for_each_entry(zbpg, &zbud_buddied_list, bud_list) { + if (unlikely(!spin_trylock(&zbpg->lock))) + continue; + zcache_zbud_buddied_count--; + spin_unlock(&zbud_budlists_spinlock); + zcache_evicted_buddied_pages++; + /* want budlists unlocked when doing zbpg eviction */ + zbud_evict_zbpg(zbpg); + newly_unused_pages++; + local_bh_enable(); + if (--nr <= 0) + goto evict_unused; + goto retry_bud_list; + } + spin_unlock_bh(&zbud_budlists_spinlock); + +evict_unused: + return; +} + +static DEFINE_PER_CPU(unsigned char *, zcache_remoteputmem); + +static int zbud_remotify_zbud(struct tmem_xhandle *xh, char *data, + size_t size) +{ + struct tmem_pool *pool; + int i, remotenode, ret = -1; + unsigned char cksum, *p; + unsigned long flags; + + for (p = data, cksum = 0, i = 0; i < size; i++) + cksum += *p; + ret = ramster_remote_put(xh, data, size, true, &remotenode); + if (ret == 0) { + /* data was successfully remoted so change the local version + * to point to the remote node where it landed */ + pool = zcache_get_pool_by_id(LOCAL_CLIENT, xh->pool_id); + BUG_ON(pool == NULL); + local_irq_save(flags); + /* tmem_replace will also free up any local space */ + (void)tmem_replace(pool, &xh->oid, xh->index, + pampd_make_remote(remotenode, size, cksum)); + local_irq_restore(flags); + zcache_put_pool(pool); + ramster_eph_pages_remoted++; + ret = 0; + } else + ramster_eph_pages_remote_failed++; + return ret; +} + +static int zbud_remotify_zbpg(struct zbud_page *zbpg) +{ + struct zbud_hdr *zh1, *zh2 = NULL; + struct tmem_xhandle xh1, xh2 = { 0 }; + char *data1 = NULL, *data2 = NULL; + size_t size1 = 0, size2 = 0; + int ret = 0; + unsigned char *tmpmem = __get_cpu_var(zcache_remoteputmem); + + ASSERT_SPINLOCK(&zbpg->lock); + if (zbpg->buddy[0].size == 0) + zh1 = &zbpg->buddy[1]; + else if (zbpg->buddy[1].size == 0) + zh1 = &zbpg->buddy[0]; + else { + zh1 = &zbpg->buddy[0]; + zh2 = &zbpg->buddy[1]; + } + /* don't remotify pages that are already remotified */ + if (zh1->client_id != LOCAL_CLIENT) + zh1 = NULL; + if ((zh2 != NULL) && (zh2->client_id != LOCAL_CLIENT)) + zh2 = NULL; + + /* copy the data and metadata so can release lock */ + if (zh1 != NULL) { + xh1.client_id = zh1->client_id; + xh1.pool_id = zh1->pool_id; + xh1.oid = zh1->oid; + xh1.index = zh1->index; + size1 = zh1->size; + data1 = zbud_data(zh1, size1); + memcpy(tmpmem, zbud_data(zh1, size1), size1); + data1 = tmpmem; + tmpmem += size1; + } + if (zh2 != NULL) { + xh2.client_id = zh2->client_id; + xh2.pool_id = zh2->pool_id; + xh2.oid = zh2->oid; + xh2.index = zh2->index; + size2 = zh2->size; + memcpy(tmpmem, zbud_data(zh2, size2), size2); + data2 = tmpmem; + } + spin_unlock(&zbpg->lock); + preempt_enable(); + + /* OK, no locks held anymore, remotify one or both zbuds */ + if (zh1 != NULL) + ret = zbud_remotify_zbud(&xh1, data1, size1); + if (zh2 != NULL) + ret |= zbud_remotify_zbud(&xh2, data2, size2); + return ret; +} + +void zbud_remotify_pages(int nr) +{ + struct zbud_page *zbpg; + int i, ret; + + /* + * for now just try remotifying unbuddied pages, starting with + * least space avail + */ + for (i = 0; i < MAX_CHUNK; i++) { +retry_unbud_list_i: + preempt_disable(); /* enable in zbud_remotify_zbpg */ + spin_lock_bh(&zbud_budlists_spinlock); + if (list_empty(&zbud_unbuddied[i].list)) { + spin_unlock_bh(&zbud_budlists_spinlock); + preempt_enable(); + continue; /* next i in for loop */ + } + list_for_each_entry(zbpg, &zbud_unbuddied[i].list, bud_list) { + if (unlikely(!spin_trylock(&zbpg->lock))) + continue; /* next list_for_each_entry */ + zbud_unbuddied[i].count--; + /* want budlists unlocked when doing zbpg remotify */ + spin_unlock_bh(&zbud_budlists_spinlock); + ret = zbud_remotify_zbpg(zbpg); + /* preemption is re-enabled in zbud_remotify_zbpg */ + if (ret == 0) { + if (--nr <= 0) + goto out; + goto retry_unbud_list_i; + } + /* if fail to remotify any page, quit */ + pr_err("TESTING zbud_remotify_pages failed on page," + " trying to re-add\n"); + spin_lock_bh(&zbud_budlists_spinlock); + spin_lock(&zbpg->lock); + list_add_tail(&zbpg->bud_list, &zbud_unbuddied[i].list); + zbud_unbuddied[i].count++; + spin_unlock(&zbpg->lock); + spin_unlock_bh(&zbud_budlists_spinlock); + pr_err("TESTING zbud_remotify_pages failed on page," + " finished re-add\n"); + goto out; + } + spin_unlock_bh(&zbud_budlists_spinlock); + preempt_enable(); + } + +next_buddied_zbpg: + preempt_disable(); /* enable in zbud_remotify_zbpg */ + spin_lock_bh(&zbud_budlists_spinlock); + if (list_empty(&zbud_buddied_list)) + goto unlock_out; + list_for_each_entry(zbpg, &zbud_buddied_list, bud_list) { + if (unlikely(!spin_trylock(&zbpg->lock))) + continue; /* next list_for_each_entry */ + zcache_zbud_buddied_count--; + /* want budlists unlocked when doing zbpg remotify */ + spin_unlock_bh(&zbud_budlists_spinlock); + ret = zbud_remotify_zbpg(zbpg); + /* preemption is re-enabled in zbud_remotify_zbpg */ + if (ret == 0) { + if (--nr <= 0) + goto out; + goto next_buddied_zbpg; + } + /* if fail to remotify any page, quit */ + pr_err("TESTING zbud_remotify_pages failed on BUDDIED page," + " trying to re-add\n"); + spin_lock_bh(&zbud_budlists_spinlock); + spin_lock(&zbpg->lock); + list_add_tail(&zbpg->bud_list, &zbud_buddied_list); + zcache_zbud_buddied_count++; + spin_unlock(&zbpg->lock); + spin_unlock_bh(&zbud_budlists_spinlock); + pr_err("TESTING zbud_remotify_pages failed on BUDDIED page," + " finished re-add\n"); + goto out; + } +unlock_out: + spin_unlock_bh(&zbud_budlists_spinlock); + preempt_enable(); +out: + return; +} + +/* the "flush list" asynchronously collects pages to remotely flush */ +#define FLUSH_ENTIRE_OBJECT ((uint32_t)-1) +static void ramster_flnode_free(struct flushlist_node *, + struct tmem_pool *); + +static void zcache_remote_flush_page(struct flushlist_node *flnode) +{ + struct tmem_xhandle *xh; + int remotenode, ret; + + preempt_disable(); + xh = &flnode->xh; + remotenode = flnode->xh.client_id; + ret = ramster_remote_flush(xh, remotenode); + if (ret >= 0) + ramster_remote_pages_flushed++; + else + ramster_remote_page_flushes_failed++; + preempt_enable_no_resched(); + ramster_flnode_free(flnode, NULL); +} + +static void zcache_remote_flush_object(struct flushlist_node *flnode) +{ + struct tmem_xhandle *xh; + int remotenode, ret; + + preempt_disable(); + xh = &flnode->xh; + remotenode = flnode->xh.client_id; + ret = ramster_remote_flush_object(xh, remotenode); + if (ret >= 0) + ramster_remote_objects_flushed++; + else + ramster_remote_object_flushes_failed++; + preempt_enable_no_resched(); + ramster_flnode_free(flnode, NULL); +} + +static void zcache_remote_eph_put(struct zbud_hdr *zbud) +{ + /* FIXME */ +} + +static void zcache_remote_pers_put(struct zv_hdr *zv) +{ + struct tmem_xhandle xh; + uint16_t size; + bool ephemeral; + int remotenode, ret = -1; + char *data; + struct tmem_pool *pool; + unsigned long flags; + unsigned char cksum; + char *p; + int i; + unsigned char *tmpmem = __get_cpu_var(zcache_remoteputmem); + + ASSERT_SENTINEL(zv, ZVH); + BUG_ON(zv->client_id != LOCAL_CLIENT); + local_bh_disable(); + xh.client_id = zv->client_id; + xh.pool_id = zv->pool_id; + xh.oid = zv->oid; + xh.index = zv->index; + size = xv_get_object_size(zv) - sizeof(*zv); + BUG_ON(size == 0 || size > zv_max_page_size); + data = (char *)zv + sizeof(*zv); + for (p = data, cksum = 0, i = 0; i < size; i++) + cksum += *p; + memcpy(tmpmem, data, size); + data = tmpmem; + pool = zcache_get_pool_by_id(zv->client_id, zv->pool_id); + ephemeral = is_ephemeral(pool); + zcache_put_pool(pool); + /* now OK to release lock set in caller */ + spin_unlock(&zcache_rem_op_list_lock); + local_bh_enable(); + preempt_disable(); + ret = ramster_remote_put(&xh, data, size, ephemeral, &remotenode); + preempt_enable_no_resched(); + if (ret != 0) { + /* + * This is some form of a memory leak... if the remote put + * fails, there will never be another attempt to remotify + * this page. But since we've dropped the zv pointer, + * the page may have been freed or the data replaced + * so we can't just "put it back" in the remote op list. + * Even if we could, not sure where to put it in the list + * because there may be flushes that must be strictly + * ordered vs the put. So leave this as a FIXME for now. + * But count them so we know if it becomes a problem. + */ + ramster_pers_pages_remote_failed++; + goto out; + } else + atomic_inc(&ramster_remote_pers_pages); + ramster_pers_pages_remoted++; + /* + * data was successfully remoted so change the local version to + * point to the remote node where it landed + */ + local_bh_disable(); + pool = zcache_get_pool_by_id(LOCAL_CLIENT, xh.pool_id); + local_irq_save(flags); + (void)tmem_replace(pool, &xh.oid, xh.index, + pampd_make_remote(remotenode, size, cksum)); + local_irq_restore(flags); + zcache_put_pool(pool); + local_bh_enable(); +out: + return; +} + +static void zcache_do_remotify_ops(int nr) +{ + struct ramster_remotify_hdr *rem_op; + union remotify_list_node *u; + + while (1) { + if (!nr) + goto out; + spin_lock(&zcache_rem_op_list_lock); + if (list_empty(&zcache_rem_op_list)) { + spin_unlock(&zcache_rem_op_list_lock); + goto out; + } + rem_op = list_first_entry(&zcache_rem_op_list, + struct ramster_remotify_hdr, list); + list_del_init(&rem_op->list); + if (rem_op->op != RAMSTER_REMOTIFY_PERS_PUT) + spin_unlock(&zcache_rem_op_list_lock); + u = (union remotify_list_node *)rem_op; + switch (rem_op->op) { + case RAMSTER_REMOTIFY_EPH_PUT: +BUG(); + zcache_remote_eph_put((struct zbud_hdr *)rem_op); + break; + case RAMSTER_REMOTIFY_PERS_PUT: + zcache_remote_pers_put((struct zv_hdr *)rem_op); + break; + case RAMSTER_REMOTIFY_FLUSH_PAGE: + zcache_remote_flush_page((struct flushlist_node *)u); + break; + case RAMSTER_REMOTIFY_FLUSH_OBJ: + zcache_remote_flush_object((struct flushlist_node *)u); + break; + default: + BUG(); + } + } +out: + return; +} + +/* + * Communicate interface revision with userspace + */ +#include "cluster/ramster_nodemanager.h" +static unsigned long ramster_interface_revision = R2NM_API_VERSION; + +/* + * For now, just push over a few pages every few seconds to + * ensure that it basically works + */ +static struct workqueue_struct *ramster_remotify_workqueue; +static void ramster_remotify_process(struct work_struct *work); +static DECLARE_DELAYED_WORK(ramster_remotify_worker, + ramster_remotify_process); + +static void ramster_remotify_queue_delayed_work(unsigned long delay) +{ + if (!queue_delayed_work(ramster_remotify_workqueue, + &ramster_remotify_worker, delay)) + pr_err("ramster_remotify: bad workqueue\n"); +} + + +static int use_frontswap; +static int use_cleancache; +static int ramster_remote_target_nodenum = -1; +static void ramster_remotify_process(struct work_struct *work) +{ + static bool remotify_in_progress; + + BUG_ON(irqs_disabled()); + if (remotify_in_progress) + ramster_remotify_queue_delayed_work(HZ); + else if (ramster_remote_target_nodenum != -1) { + remotify_in_progress = true; +#ifdef CONFIG_CLEANCACHE + if (use_cleancache && ramster_eph_remotify_enable) + zbud_remotify_pages(5000); /* FIXME is this a good number? */ +#endif +#ifdef CONFIG_FRONTSWAP + if (use_frontswap && ramster_pers_remotify_enable) + zcache_do_remotify_ops(500); /* FIXME is this a good number? */ +#endif + remotify_in_progress = false; + ramster_remotify_queue_delayed_work(HZ); + } +} + +static void ramster_remotify_init(void) +{ + unsigned long n = 60UL; + ramster_remotify_workqueue = + create_singlethread_workqueue("ramster_remotify"); + ramster_remotify_queue_delayed_work(n * HZ); +} + + +static void zbud_init(void) +{ + int i; + + INIT_LIST_HEAD(&zbud_buddied_list); + zcache_zbud_buddied_count = 0; + for (i = 0; i < NCHUNKS; i++) { + INIT_LIST_HEAD(&zbud_unbuddied[i].list); + zbud_unbuddied[i].count = 0; + } +} + +#ifdef CONFIG_SYSFS +/* + * These sysfs routines show a nice distribution of how many zbpg's are + * currently (and have ever been placed) in each unbuddied list. It's fun + * to watch but can probably go away before final merge. + */ +static int zbud_show_unbuddied_list_counts(char *buf) +{ + int i; + char *p = buf; + + for (i = 0; i < NCHUNKS; i++) + p += sprintf(p, "%u ", zbud_unbuddied[i].count); + return p - buf; +} + +static int zbud_show_cumul_chunk_counts(char *buf) +{ + unsigned long i, chunks = 0, total_chunks = 0, sum_total_chunks = 0; + unsigned long total_chunks_lte_21 = 0, total_chunks_lte_32 = 0; + unsigned long total_chunks_lte_42 = 0; + char *p = buf; + + for (i = 0; i < NCHUNKS; i++) { + p += sprintf(p, "%lu ", zbud_cumul_chunk_counts[i]); + chunks += zbud_cumul_chunk_counts[i]; + total_chunks += zbud_cumul_chunk_counts[i]; + sum_total_chunks += i * zbud_cumul_chunk_counts[i]; + if (i == 21) + total_chunks_lte_21 = total_chunks; + if (i == 32) + total_chunks_lte_32 = total_chunks; + if (i == 42) + total_chunks_lte_42 = total_chunks; + } + p += sprintf(p, "<=21:%lu <=32:%lu <=42:%lu, mean:%lu\n", + total_chunks_lte_21, total_chunks_lte_32, total_chunks_lte_42, + chunks == 0 ? 0 : sum_total_chunks / chunks); + return p - buf; +} +#endif + +/********** + * This "zv" PAM implementation combines the TLSF-based xvMalloc + * with lzo1x compression to maximize the amount of data that can + * be packed into a physical page. + * + * Zv represents a PAM page with the index and object (plus a "size" value + * necessary for decompression) immediately preceding the compressed data. + */ + +/* rudimentary policy limits */ +/* total number of persistent pages may not exceed this percentage */ +static unsigned int zv_page_count_policy_percent = 75; +/* + * byte count defining poor compression; pages with greater zsize will be + * rejected + */ +static unsigned int zv_max_zsize = (PAGE_SIZE / 8) * 7; +/* + * byte count defining poor *mean* compression; pages with greater zsize + * will be rejected until sufficient better-compressed pages are accepted + * driving the mean below this threshold + */ +static unsigned int zv_max_mean_zsize = (PAGE_SIZE / 8) * 5; + +static atomic_t zv_curr_dist_counts[NCHUNKS]; +static atomic_t zv_cumul_dist_counts[NCHUNKS]; + + +static struct zv_hdr *zv_create(struct zcache_client *cli, uint32_t pool_id, + struct tmem_oid *oid, uint32_t index, + void *cdata, unsigned clen) +{ + struct page *page; + struct zv_hdr *zv = NULL; + uint32_t offset; + int alloc_size = clen + sizeof(struct zv_hdr); + int chunks = (alloc_size + (CHUNK_SIZE - 1)) >> CHUNK_SHIFT; + int ret; + + BUG_ON(!irqs_disabled()); + BUG_ON(chunks >= NCHUNKS); + ret = xv_malloc(cli->xvpool, clen + sizeof(struct zv_hdr), + &page, &offset, ZCACHE_GFP_MASK); + if (unlikely(ret)) + goto out; + atomic_inc(&zv_curr_dist_counts[chunks]); + atomic_inc(&zv_cumul_dist_counts[chunks]); + zv = kmap_atomic(page, KM_USER0) + offset; + zv->index = index; + zv->oid = *oid; + zv->pool_id = pool_id; + SET_SENTINEL(zv, ZVH); + INIT_LIST_HEAD(&zv->rem_op.list); + zv->client_id = get_client_id_from_client(cli); + zv->rem_op.op = RAMSTER_REMOTIFY_PERS_PUT; + if (zv->client_id == LOCAL_CLIENT) { + spin_lock(&zcache_rem_op_list_lock); + list_add_tail(&zv->rem_op.list, &zcache_rem_op_list); + spin_unlock(&zcache_rem_op_list_lock); + } + memcpy((char *)zv + sizeof(struct zv_hdr), cdata, clen); + kunmap_atomic(zv, KM_USER0); +out: + return zv; +} + +/* similar to zv_create, but just reserve space, no data yet */ +static struct zv_hdr *zv_alloc(struct tmem_pool *pool, + struct tmem_oid *oid, uint32_t index, + unsigned clen) +{ + struct zcache_client *cli = pool->client; + struct page *page; + struct zv_hdr *zv = NULL; + uint32_t offset; + int ret; + + BUG_ON(!irqs_disabled()); + BUG_ON(!is_local_client(pool->client)); + ret = xv_malloc(cli->xvpool, clen + sizeof(struct zv_hdr), + &page, &offset, ZCACHE_GFP_MASK); + if (unlikely(ret)) + goto out; + zv = kmap_atomic(page, KM_USER0) + offset; + SET_SENTINEL(zv, ZVH); + INIT_LIST_HEAD(&zv->rem_op.list); + zv->client_id = LOCAL_CLIENT; + zv->rem_op.op = RAMSTER_INTRANSIT_PERS; + zv->index = index; + zv->oid = *oid; + zv->pool_id = pool->pool_id; + kunmap_atomic(zv, KM_USER0); +out: + return zv; +} + +static void zv_free(struct xv_pool *xvpool, struct zv_hdr *zv) +{ + unsigned long flags; + struct page *page; + uint32_t offset; + uint16_t size = xv_get_object_size(zv); + int chunks = (size + (CHUNK_SIZE - 1)) >> CHUNK_SHIFT; + + ASSERT_SENTINEL(zv, ZVH); + BUG_ON(chunks >= NCHUNKS); + atomic_dec(&zv_curr_dist_counts[chunks]); + size -= sizeof(*zv); + spin_lock(&zcache_rem_op_list_lock); + size = xv_get_object_size(zv) - sizeof(*zv); + BUG_ON(size == 0); + INVERT_SENTINEL(zv, ZVH); + if (!list_empty(&zv->rem_op.list)) + list_del_init(&zv->rem_op.list); + spin_unlock(&zcache_rem_op_list_lock); + page = virt_to_page(zv); + offset = (unsigned long)zv & ~PAGE_MASK; + local_irq_save(flags); + xv_free(xvpool, page, offset); + local_irq_restore(flags); +} + +static void zv_decompress(struct page *page, struct zv_hdr *zv) +{ + size_t clen = PAGE_SIZE; + char *to_va; + unsigned size; + int ret; + + ASSERT_SENTINEL(zv, ZVH); + size = xv_get_object_size(zv) - sizeof(*zv); + BUG_ON(size == 0); + to_va = kmap_atomic(page, KM_USER0); + ret = lzo1x_decompress_safe((char *)zv + sizeof(*zv), + size, to_va, &clen); + kunmap_atomic(to_va, KM_USER0); + BUG_ON(ret != LZO_E_OK); + BUG_ON(clen != PAGE_SIZE); +} + +static void zv_copy_from_pampd(char *data, size_t *bufsize, struct zv_hdr *zv) +{ + unsigned size; + + ASSERT_SENTINEL(zv, ZVH); + size = xv_get_object_size(zv) - sizeof(*zv); + BUG_ON(size == 0 || size > zv_max_page_size); + BUG_ON(size > *bufsize); + memcpy(data, (char *)zv + sizeof(*zv), size); + *bufsize = size; +} + +static void zv_copy_to_pampd(struct zv_hdr *zv, char *data, size_t size) +{ + unsigned zv_size; + + ASSERT_SENTINEL(zv, ZVH); + zv_size = xv_get_object_size(zv) - sizeof(*zv); + BUG_ON(zv_size != size); + BUG_ON(zv_size == 0 || zv_size > zv_max_page_size); + memcpy((char *)zv + sizeof(*zv), data, size); +} + +#ifdef CONFIG_SYSFS +/* + * show a distribution of compression stats for zv pages. + */ + +static int zv_curr_dist_counts_show(char *buf) +{ + unsigned long i, n, chunks = 0, sum_total_chunks = 0; + char *p = buf; + + for (i = 0; i < NCHUNKS; i++) { + n = atomic_read(&zv_curr_dist_counts[i]); + p += sprintf(p, "%lu ", n); + chunks += n; + sum_total_chunks += i * n; + } + p += sprintf(p, "mean:%lu\n", + chunks == 0 ? 0 : sum_total_chunks / chunks); + return p - buf; +} + +static int zv_cumul_dist_counts_show(char *buf) +{ + unsigned long i, n, chunks = 0, sum_total_chunks = 0; + char *p = buf; + + for (i = 0; i < NCHUNKS; i++) { + n = atomic_read(&zv_cumul_dist_counts[i]); + p += sprintf(p, "%lu ", n); + chunks += n; + sum_total_chunks += i * n; + } + p += sprintf(p, "mean:%lu\n", + chunks == 0 ? 0 : sum_total_chunks / chunks); + return p - buf; +} + +/* + * setting zv_max_zsize via sysfs causes all persistent (e.g. swap) + * pages that don't compress to less than this value (including metadata + * overhead) to be rejected. We don't allow the value to get too close + * to PAGE_SIZE. + */ +static ssize_t zv_max_zsize_show(struct kobject *kobj, + struct kobj_attribute *attr, + char *buf) +{ + return sprintf(buf, "%u\n", zv_max_zsize); +} + +static ssize_t zv_max_zsize_store(struct kobject *kobj, + struct kobj_attribute *attr, + const char *buf, size_t count) +{ + unsigned long val; + int err; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + err = kstrtoul(buf, 10, &val); + if (err || (val == 0) || (val > (PAGE_SIZE / 8) * 7)) + return -EINVAL; + zv_max_zsize = val; + return count; +} + +/* + * setting zv_max_mean_zsize via sysfs causes all persistent (e.g. swap) + * pages that don't compress to less than this value (including metadata + * overhead) to be rejected UNLESS the mean compression is also smaller + * than this value. In other words, we are load-balancing-by-zsize the + * accepted pages. Again, we don't allow the value to get too close + * to PAGE_SIZE. + */ +static ssize_t zv_max_mean_zsize_show(struct kobject *kobj, + struct kobj_attribute *attr, + char *buf) +{ + return sprintf(buf, "%u\n", zv_max_mean_zsize); +} + +static ssize_t zv_max_mean_zsize_store(struct kobject *kobj, + struct kobj_attribute *attr, + const char *buf, size_t count) +{ + unsigned long val; + int err; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + err = kstrtoul(buf, 10, &val); + if (err || (val == 0) || (val > (PAGE_SIZE / 8) * 7)) + return -EINVAL; + zv_max_mean_zsize = val; + return count; +} + +/* + * setting zv_page_count_policy_percent via sysfs sets an upper bound of + * persistent (e.g. swap) pages that will be retained according to: + * (zv_page_count_policy_percent * totalram_pages) / 100) + * when that limit is reached, further puts will be rejected (until + * some pages have been flushed). Note that, due to compression, + * this number may exceed 100; it defaults to 75 and we set an + * arbitary limit of 150. A poor choice will almost certainly result + * in OOM's, so this value should only be changed prudently. + */ +static ssize_t zv_page_count_policy_percent_show(struct kobject *kobj, + struct kobj_attribute *attr, + char *buf) +{ + return sprintf(buf, "%u\n", zv_page_count_policy_percent); +} + +static ssize_t zv_page_count_policy_percent_store(struct kobject *kobj, + struct kobj_attribute *attr, + const char *buf, size_t count) +{ + unsigned long val; + int err; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + err = kstrtoul(buf, 10, &val); + if (err || (val == 0) || (val > 150)) + return -EINVAL; + zv_page_count_policy_percent = val; + return count; +} + +static struct kobj_attribute zcache_zv_max_zsize_attr = { + .attr = { .name = "zv_max_zsize", .mode = 0644 }, + .show = zv_max_zsize_show, + .store = zv_max_zsize_store, +}; + +static struct kobj_attribute zcache_zv_max_mean_zsize_attr = { + .attr = { .name = "zv_max_mean_zsize", .mode = 0644 }, + .show = zv_max_mean_zsize_show, + .store = zv_max_mean_zsize_store, +}; + +static struct kobj_attribute zcache_zv_page_count_policy_percent_attr = { + .attr = { .name = "zv_page_count_policy_percent", + .mode = 0644 }, + .show = zv_page_count_policy_percent_show, + .store = zv_page_count_policy_percent_store, +}; +#endif + +/* + * zcache core code starts here + */ + +/* useful stats not collected by cleancache or frontswap */ +static unsigned long zcache_flush_total; +static unsigned long zcache_flush_found; +static unsigned long zcache_flobj_total; +static unsigned long zcache_flobj_found; +static unsigned long zcache_failed_eph_puts; +static unsigned long zcache_nonactive_puts; +static unsigned long zcache_failed_pers_puts; + +/* + * Tmem operations assume the poolid implies the invoking client. + * Zcache only has one client (the kernel itself): LOCAL_CLIENT. + * RAMster has each client numbered by cluster node, and a KVM version + * of zcache would have one client per guest and each client might + * have a poolid==N. + */ +static struct tmem_pool *zcache_get_pool_by_id(uint16_t cli_id, uint16_t poolid) +{ + struct tmem_pool *pool = NULL; + struct zcache_client *cli = NULL; + + if (cli_id == LOCAL_CLIENT) + cli = &zcache_host; + else { + if (cli_id >= MAX_CLIENTS) + goto out; + cli = &zcache_clients[cli_id]; + if (cli == NULL) + goto out; + atomic_inc(&cli->refcount); + } + if (poolid < MAX_POOLS_PER_CLIENT) { + pool = cli->tmem_pools[poolid]; + if (pool != NULL) + atomic_inc(&pool->refcount); + } +out: + return pool; +} + +static void zcache_put_pool(struct tmem_pool *pool) +{ + struct zcache_client *cli = NULL; + + if (pool == NULL) + BUG(); + cli = pool->client; + atomic_dec(&pool->refcount); + atomic_dec(&cli->refcount); +} + +int zcache_new_client(uint16_t cli_id) +{ + struct zcache_client *cli = NULL; + int ret = -1; + + if (cli_id == LOCAL_CLIENT) + cli = &zcache_host; + else if ((unsigned int)cli_id < MAX_CLIENTS) + cli = &zcache_clients[cli_id]; + if (cli == NULL) + goto out; + if (cli->allocated) + goto out; + cli->allocated = 1; +#ifdef CONFIG_FRONTSWAP + cli->xvpool = xv_create_pool(); + if (cli->xvpool == NULL) + goto out; +#endif + ret = 0; +out: + return ret; +} + +/* counters for debugging */ +static unsigned long zcache_failed_get_free_pages; +static unsigned long zcache_failed_alloc; +static unsigned long zcache_put_to_flush; + +/* + * for now, used named slabs so can easily track usage; later can + * either just use kmalloc, or perhaps add a slab-like allocator + * to more carefully manage total memory utilization + */ +static struct kmem_cache *zcache_objnode_cache; +static struct kmem_cache *zcache_obj_cache; +static struct kmem_cache *ramster_flnode_cache; +static atomic_t zcache_curr_obj_count = ATOMIC_INIT(0); +static unsigned long zcache_curr_obj_count_max; +static atomic_t zcache_curr_objnode_count = ATOMIC_INIT(0); +static unsigned long zcache_curr_objnode_count_max; + +/* + * to avoid memory allocation recursion (e.g. due to direct reclaim), we + * preload all necessary data structures so the hostops callbacks never + * actually do a malloc + */ +struct zcache_preload { + void *page; + struct tmem_obj *obj; + int nr; + struct tmem_objnode *objnodes[OBJNODE_TREE_MAX_PATH]; + struct flushlist_node *flnode; +}; +static DEFINE_PER_CPU(struct zcache_preload, zcache_preloads) = { 0, }; + +static int zcache_do_preload(struct tmem_pool *pool) +{ + struct zcache_preload *kp; + struct tmem_objnode *objnode; + struct tmem_obj *obj; + struct flushlist_node *flnode; + void *page; + int ret = -ENOMEM; + + if (unlikely(zcache_objnode_cache == NULL)) + goto out; + if (unlikely(zcache_obj_cache == NULL)) + goto out; + preempt_disable(); + kp = &__get_cpu_var(zcache_preloads); + while (kp->nr < ARRAY_SIZE(kp->objnodes)) { + preempt_enable_no_resched(); + objnode = kmem_cache_alloc(zcache_objnode_cache, + ZCACHE_GFP_MASK); + if (unlikely(objnode == NULL)) { + zcache_failed_alloc++; + goto out; + } + preempt_disable(); + kp = &__get_cpu_var(zcache_preloads); + if (kp->nr < ARRAY_SIZE(kp->objnodes)) + kp->objnodes[kp->nr++] = objnode; + else + kmem_cache_free(zcache_objnode_cache, objnode); + } + preempt_enable_no_resched(); + obj = kmem_cache_alloc(zcache_obj_cache, ZCACHE_GFP_MASK); + if (unlikely(obj == NULL)) { + zcache_failed_alloc++; + goto out; + } + flnode = kmem_cache_alloc(ramster_flnode_cache, ZCACHE_GFP_MASK); + if (unlikely(flnode == NULL)) { + zcache_failed_alloc++; + goto out; + } + if (is_ephemeral(pool)) { + page = (void *)__get_free_page(ZCACHE_GFP_MASK); + if (unlikely(page == NULL)) { + zcache_failed_get_free_pages++; + kmem_cache_free(zcache_obj_cache, obj); + kmem_cache_free(ramster_flnode_cache, flnode); + goto out; + } + } + preempt_disable(); + kp = &__get_cpu_var(zcache_preloads); + if (kp->obj == NULL) + kp->obj = obj; + else + kmem_cache_free(zcache_obj_cache, obj); + if (kp->flnode == NULL) + kp->flnode = flnode; + else + kmem_cache_free(ramster_flnode_cache, flnode); + if (is_ephemeral(pool)) { + if (kp->page == NULL) + kp->page = page; + else + free_page((unsigned long)page); + } + ret = 0; +out: + return ret; +} + +static int ramster_do_preload_flnode_only(struct tmem_pool *pool) +{ + struct zcache_preload *kp; + struct flushlist_node *flnode; + int ret = -ENOMEM; + + BUG_ON(!irqs_disabled()); + if (unlikely(ramster_flnode_cache == NULL)) + BUG(); + kp = &__get_cpu_var(zcache_preloads); + flnode = kmem_cache_alloc(ramster_flnode_cache, GFP_ATOMIC); + if (unlikely(flnode == NULL) && kp->flnode == NULL) + BUG(); /* FIXME handle more gracefully, but how??? */ + else if (kp->flnode == NULL) + kp->flnode = flnode; + else + kmem_cache_free(ramster_flnode_cache, flnode); + return ret; +} + +static void *zcache_get_free_page(void) +{ + struct zcache_preload *kp; + void *page; + + kp = &__get_cpu_var(zcache_preloads); + page = kp->page; + BUG_ON(page == NULL); + kp->page = NULL; + return page; +} + +static void zcache_free_page(void *p) +{ + free_page((unsigned long)p); +} + +/* + * zcache implementation for tmem host ops + */ + +static struct tmem_objnode *zcache_objnode_alloc(struct tmem_pool *pool) +{ + struct tmem_objnode *objnode = NULL; + unsigned long count; + struct zcache_preload *kp; + + kp = &__get_cpu_var(zcache_preloads); + if (kp->nr <= 0) + goto out; + objnode = kp->objnodes[kp->nr - 1]; + BUG_ON(objnode == NULL); + kp->objnodes[kp->nr - 1] = NULL; + kp->nr--; + count = atomic_inc_return(&zcache_curr_objnode_count); + if (count > zcache_curr_objnode_count_max) + zcache_curr_objnode_count_max = count; +out: + return objnode; +} + +static void zcache_objnode_free(struct tmem_objnode *objnode, + struct tmem_pool *pool) +{ + atomic_dec(&zcache_curr_objnode_count); + BUG_ON(atomic_read(&zcache_curr_objnode_count) < 0); + kmem_cache_free(zcache_objnode_cache, objnode); +} + +static struct tmem_obj *zcache_obj_alloc(struct tmem_pool *pool) +{ + struct tmem_obj *obj = NULL; + unsigned long count; + struct zcache_preload *kp; + + kp = &__get_cpu_var(zcache_preloads); + obj = kp->obj; + BUG_ON(obj == NULL); + kp->obj = NULL; + count = atomic_inc_return(&zcache_curr_obj_count); + if (count > zcache_curr_obj_count_max) + zcache_curr_obj_count_max = count; + return obj; +} + +static void zcache_obj_free(struct tmem_obj *obj, struct tmem_pool *pool) +{ + atomic_dec(&zcache_curr_obj_count); + BUG_ON(atomic_read(&zcache_curr_obj_count) < 0); + kmem_cache_free(zcache_obj_cache, obj); +} + +static struct flushlist_node *ramster_flnode_alloc(struct tmem_pool *pool) +{ + struct flushlist_node *flnode = NULL; + struct zcache_preload *kp; + int count; + + kp = &__get_cpu_var(zcache_preloads); + flnode = kp->flnode; + BUG_ON(flnode == NULL); + kp->flnode = NULL; + count = atomic_inc_return(&ramster_curr_flnode_count); + if (count > ramster_curr_flnode_count_max) + ramster_curr_flnode_count_max = count; + return flnode; +} + +static void ramster_flnode_free(struct flushlist_node *flnode, + struct tmem_pool *pool) +{ + atomic_dec(&ramster_curr_flnode_count); + BUG_ON(atomic_read(&ramster_curr_flnode_count) < 0); + kmem_cache_free(ramster_flnode_cache, flnode); +} + +static struct tmem_hostops zcache_hostops = { + .obj_alloc = zcache_obj_alloc, + .obj_free = zcache_obj_free, + .objnode_alloc = zcache_objnode_alloc, + .objnode_free = zcache_objnode_free, +}; + +/* + * zcache implementations for PAM page descriptor ops + */ + + +static inline void dec_and_check(atomic_t *pvar) +{ + atomic_dec(pvar); + /* later when all accounting is fixed, make this a BUG */ + WARN_ON_ONCE(atomic_read(pvar) < 0); +} + +static atomic_t zcache_curr_eph_pampd_count = ATOMIC_INIT(0); +static unsigned long zcache_curr_eph_pampd_count_max; +static atomic_t zcache_curr_pers_pampd_count = ATOMIC_INIT(0); +static unsigned long zcache_curr_pers_pampd_count_max; + +/* forward reference */ +static int zcache_compress(struct page *from, void **out_va, size_t *out_len); + +static int zcache_pampd_eph_create(char *data, size_t size, bool raw, + struct tmem_pool *pool, struct tmem_oid *oid, + uint32_t index, void **pampd) +{ + int ret = -1; + void *cdata = data; + size_t clen = size; + struct zcache_client *cli = pool->client; + uint16_t client_id = get_client_id_from_client(cli); + struct page *page = NULL; + unsigned long count; + + if (!raw) { + page = virt_to_page(data); + ret = zcache_compress(page, &cdata, &clen); + if (ret == 0) + goto out; + if (clen == 0 || clen > zbud_max_buddy_size()) { + zcache_compress_poor++; + goto out; + } + } + *pampd = (void *)zbud_create(client_id, pool->pool_id, oid, + index, page, cdata, clen); + if (*pampd == NULL) { + ret = -ENOMEM; + goto out; + } + ret = 0; + count = atomic_inc_return(&zcache_curr_eph_pampd_count); + if (count > zcache_curr_eph_pampd_count_max) + zcache_curr_eph_pampd_count_max = count; + if (client_id != LOCAL_CLIENT) { + count = atomic_inc_return(&ramster_foreign_eph_pampd_count); + if (count > ramster_foreign_eph_pampd_count_max) + ramster_foreign_eph_pampd_count_max = count; + } +out: + return ret; +} + +static int zcache_pampd_pers_create(char *data, size_t size, bool raw, + struct tmem_pool *pool, struct tmem_oid *oid, + uint32_t index, void **pampd) +{ + int ret = -1; + void *cdata = data; + size_t clen = size; + struct zcache_client *cli = pool->client; + struct page *page; + unsigned long count; + unsigned long zv_mean_zsize; + struct zv_hdr *zv; + long curr_pers_pampd_count; + u64 total_zsize; +#ifdef RAMSTER_TESTING + static bool pampd_neg_warned; +#endif + + curr_pers_pampd_count = atomic_read(&zcache_curr_pers_pampd_count) - + atomic_read(&ramster_remote_pers_pages); +#ifdef RAMSTER_TESTING + /* should always be positive, but warn if accounting is off */ + if (!pampd_neg_warned) { + pr_warn("ramster: bad accounting for curr_pers_pampd_count\n"); + pampd_neg_warned = true; + } +#endif + if (curr_pers_pampd_count > + (zv_page_count_policy_percent * totalram_pages) / 100) { + zcache_policy_percent_exceeded++; + goto out; + } + if (raw) + goto ok_to_create; + page = virt_to_page(data); + if (zcache_compress(page, &cdata, &clen) == 0) + goto out; + /* reject if compression is too poor */ + if (clen > zv_max_zsize) { + zcache_compress_poor++; + goto out; + } + /* reject if mean compression is too poor */ + if ((clen > zv_max_mean_zsize) && (curr_pers_pampd_count > 0)) { + total_zsize = xv_get_total_size_bytes(cli->xvpool); + zv_mean_zsize = div_u64(total_zsize, curr_pers_pampd_count); + if (zv_mean_zsize > zv_max_mean_zsize) { + zcache_mean_compress_poor++; + goto out; + } + } +ok_to_create: + *pampd = (void *)zv_create(cli, pool->pool_id, oid, index, cdata, clen); + if (*pampd == NULL) { + ret = -ENOMEM; + goto out; + } + ret = 0; + count = atomic_inc_return(&zcache_curr_pers_pampd_count); + if (count > zcache_curr_pers_pampd_count_max) + zcache_curr_pers_pampd_count_max = count; + if (is_local_client(cli)) + goto out; + zv = *(struct zv_hdr **)pampd; + count = atomic_inc_return(&ramster_foreign_pers_pampd_count); + if (count > ramster_foreign_pers_pampd_count_max) + ramster_foreign_pers_pampd_count_max = count; +out: + return ret; +} + +static void *zcache_pampd_create(char *data, size_t size, bool raw, int eph, + struct tmem_pool *pool, struct tmem_oid *oid, + uint32_t index) +{ + void *pampd = NULL; + int ret; + bool ephemeral; + + BUG_ON(preemptible()); + ephemeral = (eph == 1) || ((eph == 0) && is_ephemeral(pool)); + if (ephemeral) + ret = zcache_pampd_eph_create(data, size, raw, pool, + oid, index, &pampd); + else + ret = zcache_pampd_pers_create(data, size, raw, pool, + oid, index, &pampd); + /* FIXME add some counters here for failed creates? */ + return pampd; +} + +/* + * fill the pageframe corresponding to the struct page with the data + * from the passed pampd + */ +static int zcache_pampd_get_data(char *data, size_t *bufsize, bool raw, + void *pampd, struct tmem_pool *pool, + struct tmem_oid *oid, uint32_t index) +{ + int ret = 0; + + BUG_ON(preemptible()); + BUG_ON(is_ephemeral(pool)); /* Fix later for shared pools? */ + BUG_ON(pampd_is_remote(pampd)); + if (raw) + zv_copy_from_pampd(data, bufsize, pampd); + else + zv_decompress(virt_to_page(data), pampd); + return ret; +} + +static int zcache_pampd_get_data_and_free(char *data, size_t *bufsize, bool raw, + void *pampd, struct tmem_pool *pool, + struct tmem_oid *oid, uint32_t index) +{ + int ret = 0; + unsigned long flags; + struct zcache_client *cli = pool->client; + + BUG_ON(preemptible()); + BUG_ON(pampd_is_remote(pampd)); + if (is_ephemeral(pool)) { + local_irq_save(flags); + if (raw) + zbud_copy_from_pampd(data, bufsize, pampd); + else + ret = zbud_decompress(virt_to_page(data), pampd); + zbud_free_and_delist((struct zbud_hdr *)pampd); + local_irq_restore(flags); + if (!is_local_client(cli)) + dec_and_check(&ramster_foreign_eph_pampd_count); + dec_and_check(&zcache_curr_eph_pampd_count); + } else { + if (is_local_client(cli)) + BUG(); + if (raw) + zv_copy_from_pampd(data, bufsize, pampd); + else + zv_decompress(virt_to_page(data), pampd); + zv_free(cli->xvpool, pampd); + if (!is_local_client(cli)) + dec_and_check(&ramster_foreign_pers_pampd_count); + dec_and_check(&zcache_curr_pers_pampd_count); + ret = 0; + } + return ret; +} + +static bool zcache_pampd_is_remote(void *pampd) +{ + return pampd_is_remote(pampd); +} + +/* + * free the pampd and remove it from any zcache lists + * pampd must no longer be pointed to from any tmem data structures! + */ +static void zcache_pampd_free(void *pampd, struct tmem_pool *pool, + struct tmem_oid *oid, uint32_t index, bool acct) +{ + struct zcache_client *cli = pool->client; + bool eph = is_ephemeral(pool); + struct zv_hdr *zv; + + BUG_ON(preemptible()); + if (pampd_is_remote(pampd)) { + WARN_ON(acct == false); + if (oid == NULL) { + /* + * a NULL oid means to ignore this pampd free + * as the remote freeing will be handled elsewhere + */ + } else if (eph) { + /* FIXME remote flush optional but probably good idea */ + /* FIXME get these working properly again */ + dec_and_check(&zcache_curr_eph_pampd_count); + } else if (pampd_is_intransit(pampd)) { + /* did a pers remote get_and_free, so just free local */ + pampd = pampd_mask_intransit_and_remote(pampd); + goto local_pers; + } else { + struct flushlist_node *flnode = + ramster_flnode_alloc(pool); + + flnode->xh.client_id = pampd_remote_node(pampd); + flnode->xh.pool_id = pool->pool_id; + flnode->xh.oid = *oid; + flnode->xh.index = index; + flnode->rem_op.op = RAMSTER_REMOTIFY_FLUSH_PAGE; + spin_lock(&zcache_rem_op_list_lock); + list_add(&flnode->rem_op.list, &zcache_rem_op_list); + spin_unlock(&zcache_rem_op_list_lock); + dec_and_check(&zcache_curr_pers_pampd_count); + dec_and_check(&ramster_remote_pers_pages); + } + } else if (eph) { + zbud_free_and_delist((struct zbud_hdr *)pampd); + if (!is_local_client(pool->client)) + dec_and_check(&ramster_foreign_eph_pampd_count); + if (acct) + /* FIXME get these working properly again */ + dec_and_check(&zcache_curr_eph_pampd_count); + } else { +local_pers: + zv = (struct zv_hdr *)pampd; + if (!is_local_client(pool->client)) + dec_and_check(&ramster_foreign_pers_pampd_count); + zv_free(cli->xvpool, zv); + if (acct) + /* FIXME get these working properly again */ + dec_and_check(&zcache_curr_pers_pampd_count); + } +} + +static void zcache_pampd_free_obj(struct tmem_pool *pool, + struct tmem_obj *obj) +{ + struct flushlist_node *flnode; + + BUG_ON(preemptible()); + if (obj->extra == NULL) + return; + BUG_ON(!pampd_is_remote(obj->extra)); + flnode = ramster_flnode_alloc(pool); + flnode->xh.client_id = pampd_remote_node(obj->extra); + flnode->xh.pool_id = pool->pool_id; + flnode->xh.oid = obj->oid; + flnode->xh.index = FLUSH_ENTIRE_OBJECT; + flnode->rem_op.op = RAMSTER_REMOTIFY_FLUSH_OBJ; + spin_lock(&zcache_rem_op_list_lock); + list_add(&flnode->rem_op.list, &zcache_rem_op_list); + spin_unlock(&zcache_rem_op_list_lock); +} + +void zcache_pampd_new_obj(struct tmem_obj *obj) +{ + obj->extra = NULL; +} + +int zcache_pampd_replace_in_obj(void *new_pampd, struct tmem_obj *obj) +{ + int ret = -1; + + if (new_pampd != NULL) { + if (obj->extra == NULL) + obj->extra = new_pampd; + /* enforce that all remote pages in an object reside + * in the same node! */ + else if (pampd_remote_node(new_pampd) != + pampd_remote_node((void *)(obj->extra))) + BUG(); + ret = 0; + } + return ret; +} + +/* + * Called by the message handler after a (still compressed) page has been + * fetched from the remote machine in response to an "is_remote" tmem_get + * or persistent tmem_localify. For a tmem_get, "extra" is the address of + * the page that is to be filled to succesfully resolve the tmem_get; for + * a (persistent) tmem_localify, "extra" is NULL (as the data is placed only + * in the local zcache). "data" points to "size" bytes of (compressed) data + * passed in the message. In the case of a persistent remote get, if + * pre-allocation was successful (see zcache_repatriate_preload), the page + * is placed into both local zcache and at "extra". + */ +int zcache_localify(int pool_id, struct tmem_oid *oidp, + uint32_t index, char *data, size_t size, + void *extra) +{ + int ret = -ENOENT; + unsigned long flags; + struct tmem_pool *pool; + bool ephemeral, delete = false; + size_t clen = PAGE_SIZE; + void *pampd, *saved_hb; + struct tmem_obj *obj; + + pool = zcache_get_pool_by_id(LOCAL_CLIENT, pool_id); + if (unlikely(pool == NULL)) + /* pool doesn't exist anymore */ + goto out; + ephemeral = is_ephemeral(pool); + local_irq_save(flags); /* FIXME: maybe only disable softirqs? */ + pampd = tmem_localify_get_pampd(pool, oidp, index, &obj, &saved_hb); + if (pampd == NULL) { + /* hmmm... must have been a flush while waiting */ +#ifdef RAMSTER_TESTING + pr_err("UNTESTED pampd==NULL in zcache_localify\n"); +#endif + if (ephemeral) + ramster_remote_eph_pages_unsucc_get++; + else + ramster_remote_pers_pages_unsucc_get++; + obj = NULL; + goto finish; + } else if (unlikely(!pampd_is_remote(pampd))) { + /* hmmm... must have been a dup put while waiting */ +#ifdef RAMSTER_TESTING + pr_err("UNTESTED dup while waiting in zcache_localify\n"); +#endif + if (ephemeral) + ramster_remote_eph_pages_unsucc_get++; + else + ramster_remote_pers_pages_unsucc_get++; + obj = NULL; + pampd = NULL; + ret = -EEXIST; + goto finish; + } else if (size == 0) { + /* no remote data, delete the local is_remote pampd */ + pampd = NULL; + if (ephemeral) + ramster_remote_eph_pages_unsucc_get++; + else + BUG(); + delete = true; + goto finish; + } + if (!ephemeral && pampd_is_intransit(pampd)) { + /* localify to zcache */ + pampd = pampd_mask_intransit_and_remote(pampd); + zv_copy_to_pampd(pampd, data, size); + } else { + pampd = NULL; + obj = NULL; + } + if (extra != NULL) { + /* decompress direct-to-memory to complete remotify */ + ret = lzo1x_decompress_safe((char *)data, size, + (char *)extra, &clen); + BUG_ON(ret != LZO_E_OK); + BUG_ON(clen != PAGE_SIZE); + } + if (ephemeral) + ramster_remote_eph_pages_succ_get++; + else + ramster_remote_pers_pages_succ_get++; + ret = 0; +finish: + tmem_localify_finish(obj, index, pampd, saved_hb, delete); + zcache_put_pool(pool); + local_irq_restore(flags); +out: + return ret; +} + +/* + * Called on a remote persistent tmem_get to attempt to preallocate + * local storage for the data contained in the remote persistent page. + * If succesfully preallocated, returns the pampd, marked as remote and + * in_transit. Else returns NULL. Note that the appropriate tmem data + * structure must be locked. + */ +static void *zcache_pampd_repatriate_preload(void *pampd, + struct tmem_pool *pool, + struct tmem_oid *oid, + uint32_t index, + bool *intransit) +{ + int clen = pampd_remote_size(pampd); + void *ret_pampd = NULL; + unsigned long flags; + + if (!pampd_is_remote(pampd)) + BUG(); + if (is_ephemeral(pool)) + BUG(); + if (pampd_is_intransit(pampd)) { + /* + * to avoid multiple allocations (and maybe a memory leak) + * don't preallocate if already in the process of being + * repatriated + */ + *intransit = true; + goto out; + } + *intransit = false; + local_irq_save(flags); + ret_pampd = (void *)zv_alloc(pool, oid, index, clen); + if (ret_pampd != NULL) { + /* + * a pampd is marked intransit if it is remote and space has + * been allocated for it locally (note, only happens for + * persistent pages, in which case the remote copy is freed) + */ + ret_pampd = pampd_mark_intransit(ret_pampd); + dec_and_check(&ramster_remote_pers_pages); + } else + ramster_pers_pages_remote_nomem++; + local_irq_restore(flags); +out: + return ret_pampd; +} + +/* + * Called on a remote tmem_get to invoke a message to fetch the page. + * Might sleep so no tmem locks can be held. "extra" is passed + * all the way through the round-trip messaging to zcache_localify. + */ +static int zcache_pampd_repatriate(void *fake_pampd, void *real_pampd, + struct tmem_pool *pool, + struct tmem_oid *oid, uint32_t index, + bool free, void *extra) +{ + struct tmem_xhandle xh; + int ret; + + if (pampd_is_intransit(real_pampd)) + /* have local space pre-reserved, so free remote copy */ + free = true; + xh = tmem_xhandle_fill(LOCAL_CLIENT, pool, oid, index); + /* unreliable request/response for now */ + ret = ramster_remote_async_get(&xh, free, + pampd_remote_node(fake_pampd), + pampd_remote_size(fake_pampd), + pampd_remote_cksum(fake_pampd), + extra); +#ifdef RAMSTER_TESTING + if (ret != 0 && ret != -ENOENT) + pr_err("TESTING zcache_pampd_repatriate returns, ret=%d\n", + ret); +#endif + return ret; +} + +static struct tmem_pamops zcache_pamops = { + .create = zcache_pampd_create, + .get_data = zcache_pampd_get_data, + .free = zcache_pampd_free, + .get_data_and_free = zcache_pampd_get_data_and_free, + .free_obj = zcache_pampd_free_obj, + .is_remote = zcache_pampd_is_remote, + .repatriate_preload = zcache_pampd_repatriate_preload, + .repatriate = zcache_pampd_repatriate, + .new_obj = zcache_pampd_new_obj, + .replace_in_obj = zcache_pampd_replace_in_obj, +}; + +/* + * zcache compression/decompression and related per-cpu stuff + */ + +#define LZO_WORKMEM_BYTES LZO1X_1_MEM_COMPRESS +#define LZO_DSTMEM_PAGE_ORDER 1 +static DEFINE_PER_CPU(unsigned char *, zcache_workmem); +static DEFINE_PER_CPU(unsigned char *, zcache_dstmem); + +static int zcache_compress(struct page *from, void **out_va, size_t *out_len) +{ + int ret = 0; + unsigned char *dmem = __get_cpu_var(zcache_dstmem); + unsigned char *wmem = __get_cpu_var(zcache_workmem); + char *from_va; + + BUG_ON(!irqs_disabled()); + if (unlikely(dmem == NULL || wmem == NULL)) + goto out; /* no buffer, so can't compress */ + from_va = kmap_atomic(from, KM_USER0); + mb(); + ret = lzo1x_1_compress(from_va, PAGE_SIZE, dmem, out_len, wmem); + BUG_ON(ret != LZO_E_OK); + *out_va = dmem; + kunmap_atomic(from_va, KM_USER0); + ret = 1; +out: + return ret; +} + + +static int zcache_cpu_notifier(struct notifier_block *nb, + unsigned long action, void *pcpu) +{ + int cpu = (long)pcpu; + struct zcache_preload *kp; + + switch (action) { + case CPU_UP_PREPARE: + per_cpu(zcache_dstmem, cpu) = (void *)__get_free_pages( + GFP_KERNEL | __GFP_REPEAT, + LZO_DSTMEM_PAGE_ORDER), + per_cpu(zcache_workmem, cpu) = + kzalloc(LZO1X_MEM_COMPRESS, + GFP_KERNEL | __GFP_REPEAT); + per_cpu(zcache_remoteputmem, cpu) = + kzalloc(PAGE_SIZE, GFP_KERNEL | __GFP_REPEAT); + break; + case CPU_DEAD: + case CPU_UP_CANCELED: + kfree(per_cpu(zcache_remoteputmem, cpu)); + per_cpu(zcache_remoteputmem, cpu) = NULL; + free_pages((unsigned long)per_cpu(zcache_dstmem, cpu), + LZO_DSTMEM_PAGE_ORDER); + per_cpu(zcache_dstmem, cpu) = NULL; + kfree(per_cpu(zcache_workmem, cpu)); + per_cpu(zcache_workmem, cpu) = NULL; + kp = &per_cpu(zcache_preloads, cpu); + while (kp->nr) { + kmem_cache_free(zcache_objnode_cache, + kp->objnodes[kp->nr - 1]); + kp->objnodes[kp->nr - 1] = NULL; + kp->nr--; + } + if (kp->obj) { + kmem_cache_free(zcache_obj_cache, kp->obj); + kp->obj = NULL; + } + if (kp->flnode) { + kmem_cache_free(ramster_flnode_cache, kp->flnode); + kp->flnode = NULL; + } + if (kp->page) { + free_page((unsigned long)kp->page); + kp->page = NULL; + } + break; + default: + break; + } + return NOTIFY_OK; +} + +static struct notifier_block zcache_cpu_notifier_block = { + .notifier_call = zcache_cpu_notifier +}; + +#ifdef CONFIG_SYSFS +#define ZCACHE_SYSFS_RO(_name) \ + static ssize_t zcache_##_name##_show(struct kobject *kobj, \ + struct kobj_attribute *attr, char *buf) \ + { \ + return sprintf(buf, "%lu\n", zcache_##_name); \ + } \ + static struct kobj_attribute zcache_##_name##_attr = { \ + .attr = { .name = __stringify(_name), .mode = 0444 }, \ + .show = zcache_##_name##_show, \ + } + +#define ZCACHE_SYSFS_RO_ATOMIC(_name) \ + static ssize_t zcache_##_name##_show(struct kobject *kobj, \ + struct kobj_attribute *attr, char *buf) \ + { \ + return sprintf(buf, "%d\n", atomic_read(&zcache_##_name)); \ + } \ + static struct kobj_attribute zcache_##_name##_attr = { \ + .attr = { .name = __stringify(_name), .mode = 0444 }, \ + .show = zcache_##_name##_show, \ + } + +#define ZCACHE_SYSFS_RO_CUSTOM(_name, _func) \ + static ssize_t zcache_##_name##_show(struct kobject *kobj, \ + struct kobj_attribute *attr, char *buf) \ + { \ + return _func(buf); \ + } \ + static struct kobj_attribute zcache_##_name##_attr = { \ + .attr = { .name = __stringify(_name), .mode = 0444 }, \ + .show = zcache_##_name##_show, \ + } + +ZCACHE_SYSFS_RO(curr_obj_count_max); +ZCACHE_SYSFS_RO(curr_objnode_count_max); +ZCACHE_SYSFS_RO(flush_total); +ZCACHE_SYSFS_RO(flush_found); +ZCACHE_SYSFS_RO(flobj_total); +ZCACHE_SYSFS_RO(flobj_found); +ZCACHE_SYSFS_RO(failed_eph_puts); +ZCACHE_SYSFS_RO(nonactive_puts); +ZCACHE_SYSFS_RO(failed_pers_puts); +ZCACHE_SYSFS_RO(zbud_curr_zbytes); +ZCACHE_SYSFS_RO(zbud_cumul_zpages); +ZCACHE_SYSFS_RO(zbud_cumul_zbytes); +ZCACHE_SYSFS_RO(zbud_buddied_count); +ZCACHE_SYSFS_RO(evicted_raw_pages); +ZCACHE_SYSFS_RO(evicted_unbuddied_pages); +ZCACHE_SYSFS_RO(evicted_buddied_pages); +ZCACHE_SYSFS_RO(failed_get_free_pages); +ZCACHE_SYSFS_RO(failed_alloc); +ZCACHE_SYSFS_RO(put_to_flush); +ZCACHE_SYSFS_RO(compress_poor); +ZCACHE_SYSFS_RO(mean_compress_poor); +ZCACHE_SYSFS_RO(policy_percent_exceeded); +ZCACHE_SYSFS_RO_ATOMIC(zbud_curr_raw_pages); +ZCACHE_SYSFS_RO_ATOMIC(zbud_curr_zpages); +ZCACHE_SYSFS_RO_ATOMIC(curr_obj_count); +ZCACHE_SYSFS_RO_ATOMIC(curr_objnode_count); +ZCACHE_SYSFS_RO_CUSTOM(zbud_unbuddied_list_counts, + zbud_show_unbuddied_list_counts); +ZCACHE_SYSFS_RO_CUSTOM(zbud_cumul_chunk_counts, + zbud_show_cumul_chunk_counts); +ZCACHE_SYSFS_RO_CUSTOM(zv_curr_dist_counts, + zv_curr_dist_counts_show); +ZCACHE_SYSFS_RO_CUSTOM(zv_cumul_dist_counts, + zv_cumul_dist_counts_show); + +static struct attribute *zcache_attrs[] = { + &zcache_curr_obj_count_attr.attr, + &zcache_curr_obj_count_max_attr.attr, + &zcache_curr_objnode_count_attr.attr, + &zcache_curr_objnode_count_max_attr.attr, + &zcache_flush_total_attr.attr, + &zcache_flobj_total_attr.attr, + &zcache_flush_found_attr.attr, + &zcache_flobj_found_attr.attr, + &zcache_failed_eph_puts_attr.attr, + &zcache_nonactive_puts_attr.attr, + &zcache_failed_pers_puts_attr.attr, + &zcache_policy_percent_exceeded_attr.attr, + &zcache_compress_poor_attr.attr, + &zcache_mean_compress_poor_attr.attr, + &zcache_zbud_curr_raw_pages_attr.attr, + &zcache_zbud_curr_zpages_attr.attr, + &zcache_zbud_curr_zbytes_attr.attr, + &zcache_zbud_cumul_zpages_attr.attr, + &zcache_zbud_cumul_zbytes_attr.attr, + &zcache_zbud_buddied_count_attr.attr, + &zcache_evicted_raw_pages_attr.attr, + &zcache_evicted_unbuddied_pages_attr.attr, + &zcache_evicted_buddied_pages_attr.attr, + &zcache_failed_get_free_pages_attr.attr, + &zcache_failed_alloc_attr.attr, + &zcache_put_to_flush_attr.attr, + &zcache_zbud_unbuddied_list_counts_attr.attr, + &zcache_zbud_cumul_chunk_counts_attr.attr, + &zcache_zv_curr_dist_counts_attr.attr, + &zcache_zv_cumul_dist_counts_attr.attr, + &zcache_zv_max_zsize_attr.attr, + &zcache_zv_max_mean_zsize_attr.attr, + &zcache_zv_page_count_policy_percent_attr.attr, + NULL, +}; + +static struct attribute_group zcache_attr_group = { + .attrs = zcache_attrs, + .name = "zcache", +}; + +#define RAMSTER_SYSFS_RO(_name) \ + static ssize_t ramster_##_name##_show(struct kobject *kobj, \ + struct kobj_attribute *attr, char *buf) \ + { \ + return sprintf(buf, "%lu\n", ramster_##_name); \ + } \ + static struct kobj_attribute ramster_##_name##_attr = { \ + .attr = { .name = __stringify(_name), .mode = 0444 }, \ + .show = ramster_##_name##_show, \ + } + +#define RAMSTER_SYSFS_RW(_name) \ + static ssize_t ramster_##_name##_show(struct kobject *kobj, \ + struct kobj_attribute *attr, char *buf) \ + { \ + return sprintf(buf, "%lu\n", ramster_##_name); \ + } \ + static ssize_t ramster_##_name##_store(struct kobject *kobj, \ + struct kobj_attribute *attr, const char *buf, size_t count) \ + { \ + int err; \ + unsigned long enable; \ + err = kstrtoul(buf, 10, &enable); \ + if (err) \ + return -EINVAL; \ + ramster_##_name = enable; \ + return count; \ + } \ + static struct kobj_attribute ramster_##_name##_attr = { \ + .attr = { .name = __stringify(_name), .mode = 0644 }, \ + .show = ramster_##_name##_show, \ + .store = ramster_##_name##_store, \ + } + +#define RAMSTER_SYSFS_RO_ATOMIC(_name) \ + static ssize_t ramster_##_name##_show(struct kobject *kobj, \ + struct kobj_attribute *attr, char *buf) \ + { \ + return sprintf(buf, "%d\n", atomic_read(&ramster_##_name)); \ + } \ + static struct kobj_attribute ramster_##_name##_attr = { \ + .attr = { .name = __stringify(_name), .mode = 0444 }, \ + .show = ramster_##_name##_show, \ + } + +RAMSTER_SYSFS_RO(interface_revision); +RAMSTER_SYSFS_RO_ATOMIC(remote_pers_pages); +RAMSTER_SYSFS_RW(pers_remotify_enable); +RAMSTER_SYSFS_RW(eph_remotify_enable); +RAMSTER_SYSFS_RO(eph_pages_remoted); +RAMSTER_SYSFS_RO(eph_pages_remote_failed); +RAMSTER_SYSFS_RO(pers_pages_remoted); +RAMSTER_SYSFS_RO(pers_pages_remote_failed); +RAMSTER_SYSFS_RO(pers_pages_remote_nomem); +RAMSTER_SYSFS_RO(remote_pages_flushed); +RAMSTER_SYSFS_RO(remote_page_flushes_failed); +RAMSTER_SYSFS_RO(remote_objects_flushed); +RAMSTER_SYSFS_RO(remote_object_flushes_failed); +RAMSTER_SYSFS_RO(remote_eph_pages_succ_get); +RAMSTER_SYSFS_RO(remote_eph_pages_unsucc_get); +RAMSTER_SYSFS_RO(remote_pers_pages_succ_get); +RAMSTER_SYSFS_RO(remote_pers_pages_unsucc_get); +RAMSTER_SYSFS_RO_ATOMIC(foreign_eph_pampd_count); +RAMSTER_SYSFS_RO(foreign_eph_pampd_count_max); +RAMSTER_SYSFS_RO_ATOMIC(foreign_pers_pampd_count); +RAMSTER_SYSFS_RO(foreign_pers_pampd_count_max); +RAMSTER_SYSFS_RO_ATOMIC(curr_flnode_count); +RAMSTER_SYSFS_RO(curr_flnode_count_max); + +#define MANUAL_NODES 8 +static bool ramster_nodes_manual_up[MANUAL_NODES]; +static ssize_t ramster_manual_node_up_show(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + int i; + char *p = buf; + for (i = 0; i < MANUAL_NODES; i++) + if (ramster_nodes_manual_up[i]) + p += sprintf(p, "%d ", i); + p += sprintf(p, "\n"); + return p - buf; +} + +static ssize_t ramster_manual_node_up_store(struct kobject *kobj, + struct kobj_attribute *attr, const char *buf, size_t count) +{ + int err; + unsigned long node_num; + + err = kstrtoul(buf, 10, &node_num); + if (err) { + pr_err("ramster: bad strtoul?\n"); + return -EINVAL; + } + if (node_num >= MANUAL_NODES) { + pr_err("ramster: bad node_num=%lu?\n", node_num); + return -EINVAL; + } + if (ramster_nodes_manual_up[node_num]) { + pr_err("ramster: node %d already up, ignoring\n", + (int)node_num); + } else { + ramster_nodes_manual_up[node_num] = true; + r2net_hb_node_up_manual((int)node_num); + } + return count; +} + +static struct kobj_attribute ramster_manual_node_up_attr = { + .attr = { .name = "manual_node_up", .mode = 0644 }, + .show = ramster_manual_node_up_show, + .store = ramster_manual_node_up_store, +}; + +static ssize_t ramster_remote_target_nodenum_show(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + if (ramster_remote_target_nodenum == -1UL) + return sprintf(buf, "unset\n"); + else + return sprintf(buf, "%d\n", ramster_remote_target_nodenum); +} + +static ssize_t ramster_remote_target_nodenum_store(struct kobject *kobj, + struct kobj_attribute *attr, const char *buf, size_t count) +{ + int err; + unsigned long node_num; + + err = kstrtoul(buf, 10, &node_num); + if (err) { + pr_err("ramster: bad strtoul?\n"); + return -EINVAL; + } else if (node_num == -1UL) { + pr_err("ramster: disabling all remotification, " + "data may still reside on remote nodes however\n"); + return -EINVAL; + } else if (node_num >= MANUAL_NODES) { + pr_err("ramster: bad node_num=%lu?\n", node_num); + return -EINVAL; + } else if (!ramster_nodes_manual_up[node_num]) { + pr_err("ramster: node %d not up, ignoring setting " + "of remotification target\n", (int)node_num); + } else if (r2net_remote_target_node_set((int)node_num) >= 0) { + pr_info("ramster: node %d set as remotification target\n", + (int)node_num); + ramster_remote_target_nodenum = (int)node_num; + } else { + pr_err("ramster: bad num to node node_num=%d?\n", + (int)node_num); + return -EINVAL; + } + return count; +} + +static struct kobj_attribute ramster_remote_target_nodenum_attr = { + .attr = { .name = "remote_target_nodenum", .mode = 0644 }, + .show = ramster_remote_target_nodenum_show, + .store = ramster_remote_target_nodenum_store, +}; + + +static struct attribute *ramster_attrs[] = { + &ramster_interface_revision_attr.attr, + &ramster_pers_remotify_enable_attr.attr, + &ramster_eph_remotify_enable_attr.attr, + &ramster_remote_pers_pages_attr.attr, + &ramster_eph_pages_remoted_attr.attr, + &ramster_eph_pages_remote_failed_attr.attr, + &ramster_pers_pages_remoted_attr.attr, + &ramster_pers_pages_remote_failed_attr.attr, + &ramster_pers_pages_remote_nomem_attr.attr, + &ramster_remote_pages_flushed_attr.attr, + &ramster_remote_page_flushes_failed_attr.attr, + &ramster_remote_objects_flushed_attr.attr, + &ramster_remote_object_flushes_failed_attr.attr, + &ramster_remote_eph_pages_succ_get_attr.attr, + &ramster_remote_eph_pages_unsucc_get_attr.attr, + &ramster_remote_pers_pages_succ_get_attr.attr, + &ramster_remote_pers_pages_unsucc_get_attr.attr, + &ramster_foreign_eph_pampd_count_attr.attr, + &ramster_foreign_eph_pampd_count_max_attr.attr, + &ramster_foreign_pers_pampd_count_attr.attr, + &ramster_foreign_pers_pampd_count_max_attr.attr, + &ramster_curr_flnode_count_attr.attr, + &ramster_curr_flnode_count_max_attr.attr, + &ramster_manual_node_up_attr.attr, + &ramster_remote_target_nodenum_attr.attr, + NULL, +}; + +static struct attribute_group ramster_attr_group = { + .attrs = ramster_attrs, + .name = "ramster", +}; + +#endif /* CONFIG_SYSFS */ +/* + * When zcache is disabled ("frozen"), pools can be created and destroyed, + * but all puts (and thus all other operations that require memory allocation) + * must fail. If zcache is unfrozen, accepts puts, then frozen again, + * data consistency requires all puts while frozen to be converted into + * flushes. + */ +static bool zcache_freeze; + +/* + * zcache shrinker interface (only useful for ephemeral pages, so zbud only) + */ +static int shrink_zcache_memory(struct shrinker *shrink, + struct shrink_control *sc) +{ + int ret = -1; + int nr = sc->nr_to_scan; + gfp_t gfp_mask = sc->gfp_mask; + + if (nr >= 0) { + if (!(gfp_mask & __GFP_FS)) + /* does this case really need to be skipped? */ + goto out; + zbud_evict_pages(nr); + } + ret = (int)atomic_read(&zcache_zbud_curr_raw_pages); +out: + return ret; +} + +static struct shrinker zcache_shrinker = { + .shrink = shrink_zcache_memory, + .seeks = DEFAULT_SEEKS, +}; + +/* + * zcache shims between cleancache/frontswap ops and tmem + */ + +int zcache_put(int cli_id, int pool_id, struct tmem_oid *oidp, + uint32_t index, char *data, size_t size, + bool raw, int ephemeral) +{ + struct tmem_pool *pool; + int ret = -1; + + BUG_ON(!irqs_disabled()); + pool = zcache_get_pool_by_id(cli_id, pool_id); + if (unlikely(pool == NULL)) + goto out; + if (!zcache_freeze && zcache_do_preload(pool) == 0) { + /* preload does preempt_disable on success */ + ret = tmem_put(pool, oidp, index, data, size, raw, ephemeral); + if (ret < 0) { + if (is_ephemeral(pool)) + zcache_failed_eph_puts++; + else + zcache_failed_pers_puts++; + } + zcache_put_pool(pool); + preempt_enable_no_resched(); + } else { + zcache_put_to_flush++; + if (atomic_read(&pool->obj_count) > 0) + /* the put fails whether the flush succeeds or not */ + (void)tmem_flush_page(pool, oidp, index); + zcache_put_pool(pool); + } +out: + return ret; +} + +int zcache_get(int cli_id, int pool_id, struct tmem_oid *oidp, + uint32_t index, char *data, size_t *sizep, + bool raw, int get_and_free) +{ + struct tmem_pool *pool; + int ret = -1; + bool eph; + + if (!raw) { + BUG_ON(irqs_disabled()); + BUG_ON(in_softirq()); + } + pool = zcache_get_pool_by_id(cli_id, pool_id); + eph = is_ephemeral(pool); + if (likely(pool != NULL)) { + if (atomic_read(&pool->obj_count) > 0) + ret = tmem_get(pool, oidp, index, data, sizep, + raw, get_and_free); + zcache_put_pool(pool); + } + WARN_ONCE((!eph && (ret != 0)), "zcache_get fails on persistent pool, " + "bad things are very likely to happen soon\n"); +#ifdef RAMSTER_TESTING + if (ret != 0 && ret != -1 && !(ret == -EINVAL && is_ephemeral(pool))) + pr_err("TESTING zcache_get tmem_get returns ret=%d\n", ret); +#endif + if (ret == -EAGAIN) + BUG(); /* FIXME... don't need this anymore??? let's ensure */ + return ret; +} + +int zcache_flush(int cli_id, int pool_id, + struct tmem_oid *oidp, uint32_t index) +{ + struct tmem_pool *pool; + int ret = -1; + unsigned long flags; + + local_irq_save(flags); + zcache_flush_total++; + pool = zcache_get_pool_by_id(cli_id, pool_id); + ramster_do_preload_flnode_only(pool); + if (likely(pool != NULL)) { + if (atomic_read(&pool->obj_count) > 0) + ret = tmem_flush_page(pool, oidp, index); + zcache_put_pool(pool); + } + if (ret >= 0) + zcache_flush_found++; + local_irq_restore(flags); + return ret; +} + +int zcache_flush_object(int cli_id, int pool_id, struct tmem_oid *oidp) +{ + struct tmem_pool *pool; + int ret = -1; + unsigned long flags; + + local_irq_save(flags); + zcache_flobj_total++; + pool = zcache_get_pool_by_id(cli_id, pool_id); + ramster_do_preload_flnode_only(pool); + if (likely(pool != NULL)) { + if (atomic_read(&pool->obj_count) > 0) + ret = tmem_flush_object(pool, oidp); + zcache_put_pool(pool); + } + if (ret >= 0) + zcache_flobj_found++; + local_irq_restore(flags); + return ret; +} + +int zcache_client_destroy_pool(int cli_id, int pool_id) +{ + struct tmem_pool *pool = NULL; + struct zcache_client *cli = NULL; + int ret = -1; + + if (pool_id < 0) + goto out; + if (cli_id == LOCAL_CLIENT) + cli = &zcache_host; + else if ((unsigned int)cli_id < MAX_CLIENTS) + cli = &zcache_clients[cli_id]; + if (cli == NULL) + goto out; + atomic_inc(&cli->refcount); + pool = cli->tmem_pools[pool_id]; + if (pool == NULL) + goto out; + cli->tmem_pools[pool_id] = NULL; + /* wait for pool activity on other cpus to quiesce */ + while (atomic_read(&pool->refcount) != 0) + ; + atomic_dec(&cli->refcount); + local_bh_disable(); + ret = tmem_destroy_pool(pool); + local_bh_enable(); + kfree(pool); + pr_info("ramster: destroyed pool id=%d cli_id=%d\n", pool_id, cli_id); +out: + return ret; +} + +static int zcache_destroy_pool(int pool_id) +{ + return zcache_client_destroy_pool(LOCAL_CLIENT, pool_id); +} + +int zcache_new_pool(uint16_t cli_id, uint32_t flags) +{ + int poolid = -1; + struct tmem_pool *pool; + struct zcache_client *cli = NULL; + + if (cli_id == LOCAL_CLIENT) + cli = &zcache_host; + else if ((unsigned int)cli_id < MAX_CLIENTS) + cli = &zcache_clients[cli_id]; + if (cli == NULL) + goto out; + atomic_inc(&cli->refcount); + pool = kmalloc(sizeof(struct tmem_pool), GFP_ATOMIC); + if (pool == NULL) { + pr_info("ramster: pool creation failed: out of memory\n"); + goto out; + } + + for (poolid = 0; poolid < MAX_POOLS_PER_CLIENT; poolid++) + if (cli->tmem_pools[poolid] == NULL) + break; + if (poolid >= MAX_POOLS_PER_CLIENT) { + pr_info("ramster: pool creation failed: max exceeded\n"); + kfree(pool); + poolid = -1; + goto out; + } + atomic_set(&pool->refcount, 0); + pool->client = cli; + pool->pool_id = poolid; + tmem_new_pool(pool, flags); + cli->tmem_pools[poolid] = pool; + if (cli_id == LOCAL_CLIENT) + pr_info("ramster: created %s tmem pool, id=%d, local client\n", + flags & TMEM_POOL_PERSIST ? "persistent" : "ephemeral", + poolid); + else + pr_info("ramster: created %s tmem pool, id=%d, client=%d\n", + flags & TMEM_POOL_PERSIST ? "persistent" : "ephemeral", + poolid, cli_id); +out: + if (cli != NULL) + atomic_dec(&cli->refcount); + return poolid; +} + +static int zcache_local_new_pool(uint32_t flags) +{ + return zcache_new_pool(LOCAL_CLIENT, flags); +} + +int zcache_autocreate_pool(int cli_id, int pool_id, bool ephemeral) +{ + struct tmem_pool *pool; + struct zcache_client *cli = NULL; + uint32_t flags = ephemeral ? 0 : TMEM_POOL_PERSIST; + int ret = -1; + + if (cli_id == LOCAL_CLIENT) + goto out; + if (pool_id >= MAX_POOLS_PER_CLIENT) + goto out; + else if ((unsigned int)cli_id < MAX_CLIENTS) + cli = &zcache_clients[cli_id]; + if ((ephemeral && !use_cleancache) || (!ephemeral && !use_frontswap)) + BUG(); /* FIXME, handle more gracefully later */ + if (!cli->allocated) { + if (zcache_new_client(cli_id)) + BUG(); /* FIXME, handle more gracefully later */ + cli = &zcache_clients[cli_id]; + } + atomic_inc(&cli->refcount); + pool = cli->tmem_pools[pool_id]; + if (pool != NULL) { + if (pool->persistent && ephemeral) { + pr_err("zcache_autocreate_pool: type mismatch\n"); + goto out; + } + ret = 0; + goto out; + } + pool = kmalloc(sizeof(struct tmem_pool), GFP_KERNEL); + if (pool == NULL) { + pr_info("ramster: pool creation failed: out of memory\n"); + goto out; + } + atomic_set(&pool->refcount, 0); + pool->client = cli; + pool->pool_id = pool_id; + tmem_new_pool(pool, flags); + cli->tmem_pools[pool_id] = pool; + pr_info("ramster: AUTOcreated %s tmem poolid=%d, for remote client=%d\n", + flags & TMEM_POOL_PERSIST ? "persistent" : "ephemeral", + pool_id, cli_id); + ret = 0; +out: + if (cli == NULL) + BUG(); /* FIXME, handle more gracefully later */ + /* pr_err("zcache_autocreate_pool: failed\n"); */ + if (cli != NULL) + atomic_dec(&cli->refcount); + return ret; +} + +/********** + * Two kernel functionalities currently can be layered on top of tmem. + * These are "cleancache" which is used as a second-chance cache for clean + * page cache pages; and "frontswap" which is used for swap pages + * to avoid writes to disk. A generic "shim" is provided here for each + * to translate in-kernel semantics to zcache semantics. + */ + +#ifdef CONFIG_CLEANCACHE +static void zcache_cleancache_put_page(int pool_id, + struct cleancache_filekey key, + pgoff_t index, struct page *page) +{ + u32 ind = (u32) index; + struct tmem_oid oid = *(struct tmem_oid *)&key; + +#ifdef __PG_WAS_ACTIVE + if (!PageWasActive(page)) { + zcache_nonactive_puts++; + return; + } +#endif + if (likely(ind == index)) { + char *kva = page_address(page); + + (void)zcache_put(LOCAL_CLIENT, pool_id, &oid, index, + kva, PAGE_SIZE, 0, 1); + } +} + +static int zcache_cleancache_get_page(int pool_id, + struct cleancache_filekey key, + pgoff_t index, struct page *page) +{ + u32 ind = (u32) index; + struct tmem_oid oid = *(struct tmem_oid *)&key; + int ret = -1; + + preempt_disable(); + if (likely(ind == index)) { + char *kva = page_address(page); + size_t size = PAGE_SIZE; + + ret = zcache_get(LOCAL_CLIENT, pool_id, &oid, index, + kva, &size, 0, 0); +#ifdef __PG_WAS_ACTIVE + if (ret == 0) + SetPageWasActive(page); +#endif + } + preempt_enable(); + return ret; +} + +static void zcache_cleancache_flush_page(int pool_id, + struct cleancache_filekey key, + pgoff_t index) +{ + u32 ind = (u32) index; + struct tmem_oid oid = *(struct tmem_oid *)&key; + + if (likely(ind == index)) + (void)zcache_flush(LOCAL_CLIENT, pool_id, &oid, ind); +} + +static void zcache_cleancache_flush_inode(int pool_id, + struct cleancache_filekey key) +{ + struct tmem_oid oid = *(struct tmem_oid *)&key; + + (void)zcache_flush_object(LOCAL_CLIENT, pool_id, &oid); +} + +static void zcache_cleancache_flush_fs(int pool_id) +{ + if (pool_id >= 0) + (void)zcache_destroy_pool(pool_id); +} + +static int zcache_cleancache_init_fs(size_t pagesize) +{ + BUG_ON(sizeof(struct cleancache_filekey) != + sizeof(struct tmem_oid)); + BUG_ON(pagesize != PAGE_SIZE); + return zcache_local_new_pool(0); +} + +static int zcache_cleancache_init_shared_fs(char *uuid, size_t pagesize) +{ + /* shared pools are unsupported and map to private */ + BUG_ON(sizeof(struct cleancache_filekey) != + sizeof(struct tmem_oid)); + BUG_ON(pagesize != PAGE_SIZE); + return zcache_local_new_pool(0); +} + +static struct cleancache_ops zcache_cleancache_ops = { + .put_page = zcache_cleancache_put_page, + .get_page = zcache_cleancache_get_page, + .invalidate_page = zcache_cleancache_flush_page, + .invalidate_inode = zcache_cleancache_flush_inode, + .invalidate_fs = zcache_cleancache_flush_fs, + .init_shared_fs = zcache_cleancache_init_shared_fs, + .init_fs = zcache_cleancache_init_fs +}; + +struct cleancache_ops zcache_cleancache_register_ops(void) +{ + struct cleancache_ops old_ops = + cleancache_register_ops(&zcache_cleancache_ops); + + return old_ops; +} +#endif + +#ifdef CONFIG_FRONTSWAP +/* a single tmem poolid is used for all frontswap "types" (swapfiles) */ +static int zcache_frontswap_poolid = -1; + +/* + * Swizzling increases objects per swaptype, increasing tmem concurrency + * for heavy swaploads. Later, larger nr_cpus -> larger SWIZ_BITS + */ +#define SWIZ_BITS 8 +#define SWIZ_MASK ((1 << SWIZ_BITS) - 1) +#define _oswiz(_type, _ind) ((_type << SWIZ_BITS) | (_ind & SWIZ_MASK)) +#define iswiz(_ind) (_ind >> SWIZ_BITS) + +static inline struct tmem_oid oswiz(unsigned type, u32 ind) +{ + struct tmem_oid oid = { .oid = { 0 } }; + oid.oid[0] = _oswiz(type, ind); + return oid; +} + +static int zcache_frontswap_put_page(unsigned type, pgoff_t offset, + struct page *page) +{ + u64 ind64 = (u64)offset; + u32 ind = (u32)offset; + struct tmem_oid oid = oswiz(type, ind); + int ret = -1; + unsigned long flags; + char *kva; + + BUG_ON(!PageLocked(page)); + if (likely(ind64 == ind)) { + local_irq_save(flags); + kva = page_address(page); + ret = zcache_put(LOCAL_CLIENT, zcache_frontswap_poolid, + &oid, iswiz(ind), kva, PAGE_SIZE, 0, 0); + local_irq_restore(flags); + } + return ret; +} + +/* returns 0 if the page was successfully gotten from frontswap, -1 if + * was not present (should never happen!) */ +static int zcache_frontswap_get_page(unsigned type, pgoff_t offset, + struct page *page) +{ + u64 ind64 = (u64)offset; + u32 ind = (u32)offset; + struct tmem_oid oid = oswiz(type, ind); + int ret = -1; + + preempt_disable(); /* FIXME, remove this? */ + BUG_ON(!PageLocked(page)); + if (likely(ind64 == ind)) { + char *kva = page_address(page); + size_t size = PAGE_SIZE; + + ret = zcache_get(LOCAL_CLIENT, zcache_frontswap_poolid, + &oid, iswiz(ind), kva, &size, 0, -1); + } + preempt_enable(); /* FIXME, remove this? */ + return ret; +} + +/* flush a single page from frontswap */ +static void zcache_frontswap_flush_page(unsigned type, pgoff_t offset) +{ + u64 ind64 = (u64)offset; + u32 ind = (u32)offset; + struct tmem_oid oid = oswiz(type, ind); + + if (likely(ind64 == ind)) + (void)zcache_flush(LOCAL_CLIENT, zcache_frontswap_poolid, + &oid, iswiz(ind)); +} + +/* flush all pages from the passed swaptype */ +static void zcache_frontswap_flush_area(unsigned type) +{ + struct tmem_oid oid; + int ind; + + for (ind = SWIZ_MASK; ind >= 0; ind--) { + oid = oswiz(type, ind); + (void)zcache_flush_object(LOCAL_CLIENT, + zcache_frontswap_poolid, &oid); + } +} + +static void zcache_frontswap_init(unsigned ignored) +{ + /* a single tmem poolid is used for all frontswap "types" (swapfiles) */ + if (zcache_frontswap_poolid < 0) + zcache_frontswap_poolid = + zcache_local_new_pool(TMEM_POOL_PERSIST); +} + +static struct frontswap_ops zcache_frontswap_ops = { + .put_page = zcache_frontswap_put_page, + .get_page = zcache_frontswap_get_page, + .invalidate_page = zcache_frontswap_flush_page, + .invalidate_area = zcache_frontswap_flush_area, + .init = zcache_frontswap_init +}; + +struct frontswap_ops zcache_frontswap_register_ops(void) +{ + struct frontswap_ops old_ops = + frontswap_register_ops(&zcache_frontswap_ops); + + return old_ops; +} +#endif + +/* + * frontswap selfshrinking + */ + +#ifdef CONFIG_FRONTSWAP +/* In HZ, controls frequency of worker invocation. */ +static unsigned int selfshrink_interval __read_mostly = 5; + +static void selfshrink_process(struct work_struct *work); +static DECLARE_DELAYED_WORK(selfshrink_worker, selfshrink_process); + +/* Enable/disable with sysfs. */ +static bool frontswap_selfshrinking __read_mostly; + +/* Enable/disable with kernel boot option. */ +static bool use_frontswap_selfshrink __initdata = true; + +/* + * The default values for the following parameters were deemed reasonable + * by experimentation, may be workload-dependent, and can all be + * adjusted via sysfs. + */ + +/* Control rate for frontswap shrinking. Higher hysteresis is slower. */ +static unsigned int frontswap_hysteresis __read_mostly = 20; + +/* + * Number of selfshrink worker invocations to wait before observing that + * frontswap selfshrinking should commence. Note that selfshrinking does + * not use a separate worker thread. + */ +static unsigned int frontswap_inertia __read_mostly = 3; + +/* Countdown to next invocation of frontswap_shrink() */ +static unsigned long frontswap_inertia_counter; + +/* + * Invoked by the selfshrink worker thread, uses current number of pages + * in frontswap (frontswap_curr_pages()), previous status, and control + * values (hysteresis and inertia) to determine if frontswap should be + * shrunk and what the new frontswap size should be. Note that + * frontswap_shrink is essentially a partial swapoff that immediately + * transfers pages from the "swap device" (frontswap) back into kernel + * RAM; despite the name, frontswap "shrinking" is very different from + * the "shrinker" interface used by the kernel MM subsystem to reclaim + * memory. + */ +static void frontswap_selfshrink(void) +{ + static unsigned long cur_frontswap_pages; + static unsigned long last_frontswap_pages; + static unsigned long tgt_frontswap_pages; + + last_frontswap_pages = cur_frontswap_pages; + cur_frontswap_pages = frontswap_curr_pages(); + if (!cur_frontswap_pages || + (cur_frontswap_pages > last_frontswap_pages)) { + frontswap_inertia_counter = frontswap_inertia; + return; + } + if (frontswap_inertia_counter && --frontswap_inertia_counter) + return; + if (cur_frontswap_pages <= frontswap_hysteresis) + tgt_frontswap_pages = 0; + else + tgt_frontswap_pages = cur_frontswap_pages - + (cur_frontswap_pages / frontswap_hysteresis); + frontswap_shrink(tgt_frontswap_pages); +} + +static int __init ramster_nofrontswap_selfshrink_setup(char *s) +{ + use_frontswap_selfshrink = false; + return 1; +} + +__setup("noselfshrink", ramster_nofrontswap_selfshrink_setup); + +static void selfshrink_process(struct work_struct *work) +{ + if (frontswap_selfshrinking && frontswap_enabled) { + frontswap_selfshrink(); + schedule_delayed_work(&selfshrink_worker, + selfshrink_interval * HZ); + } +} + +static int ramster_enabled; + +static int __init ramster_selfshrink_init(void) +{ + frontswap_selfshrinking = ramster_enabled && use_frontswap_selfshrink; + if (frontswap_selfshrinking) + pr_info("ramster: Initializing frontswap " + "selfshrinking driver.\n"); + else + return -ENODEV; + + schedule_delayed_work(&selfshrink_worker, selfshrink_interval * HZ); + + return 0; +} + +subsys_initcall(ramster_selfshrink_init); +#endif + +/* + * zcache initialization + * NOTE FOR NOW ramster MUST BE PROVIDED AS A KERNEL BOOT PARAMETER OR + * NOTHING HAPPENS! + */ + +static int ramster_enabled; + +static int __init enable_ramster(char *s) +{ + ramster_enabled = 1; + return 1; +} +__setup("ramster", enable_ramster); + +/* allow independent dynamic disabling of cleancache and frontswap */ + +static int use_cleancache = 1; + +static int __init no_cleancache(char *s) +{ + pr_info("INIT no_cleancache called\n"); + use_cleancache = 0; + return 1; +} + +/* + * FIXME: need to guarantee this gets checked before zcache_init is called + * What is the correct way to achieve this? + */ +early_param("nocleancache", no_cleancache); + +static int use_frontswap = 1; + +static int __init no_frontswap(char *s) +{ + pr_info("INIT no_frontswap called\n"); + use_frontswap = 0; + return 1; +} + +__setup("nofrontswap", no_frontswap); + +static int __init zcache_init(void) +{ + int ret = 0; + +#ifdef CONFIG_SYSFS + ret = sysfs_create_group(mm_kobj, &zcache_attr_group); + ret = sysfs_create_group(mm_kobj, &ramster_attr_group); + if (ret) { + pr_err("ramster: can't create sysfs\n"); + goto out; + } +#endif /* CONFIG_SYSFS */ +#if defined(CONFIG_CLEANCACHE) || defined(CONFIG_FRONTSWAP) + if (ramster_enabled) { + unsigned int cpu; + + (void)r2net_register_handlers(); + tmem_register_hostops(&zcache_hostops); + tmem_register_pamops(&zcache_pamops); + ret = register_cpu_notifier(&zcache_cpu_notifier_block); + if (ret) { + pr_err("ramster: can't register cpu notifier\n"); + goto out; + } + for_each_online_cpu(cpu) { + void *pcpu = (void *)(long)cpu; + zcache_cpu_notifier(&zcache_cpu_notifier_block, + CPU_UP_PREPARE, pcpu); + } + } + zcache_objnode_cache = kmem_cache_create("zcache_objnode", + sizeof(struct tmem_objnode), 0, 0, NULL); + zcache_obj_cache = kmem_cache_create("zcache_obj", + sizeof(struct tmem_obj), 0, 0, NULL); + ramster_flnode_cache = kmem_cache_create("ramster_flnode", + sizeof(struct flushlist_node), 0, 0, NULL); +#endif +#ifdef CONFIG_CLEANCACHE + pr_info("INIT ramster_enabled=%d use_cleancache=%d\n", + ramster_enabled, use_cleancache); + if (ramster_enabled && use_cleancache) { + struct cleancache_ops old_ops; + + zbud_init(); + register_shrinker(&zcache_shrinker); + old_ops = zcache_cleancache_register_ops(); + pr_info("ramster: cleancache enabled using kernel " + "transcendent memory and compression buddies\n"); + if (old_ops.init_fs != NULL) + pr_warning("ramster: cleancache_ops overridden"); + } +#endif +#ifdef CONFIG_FRONTSWAP + pr_info("INIT ramster_enabled=%d use_frontswap=%d\n", + ramster_enabled, use_frontswap); + if (ramster_enabled && use_frontswap) { + struct frontswap_ops old_ops; + + zcache_new_client(LOCAL_CLIENT); + old_ops = zcache_frontswap_register_ops(); + pr_info("ramster: frontswap enabled using kernel " + "transcendent memory and xvmalloc\n"); + if (old_ops.init != NULL) + pr_warning("ramster: frontswap_ops overridden"); + } + if (ramster_enabled && (use_frontswap || use_cleancache)) + ramster_remotify_init(); +#endif +out: + return ret; +} + +module_init(zcache_init) diff --git a/drivers/staging/ramster/zcache.h b/drivers/staging/ramster/zcache.h new file mode 100644 index 00000000000..250b121c22e --- /dev/null +++ b/drivers/staging/ramster/zcache.h @@ -0,0 +1,22 @@ +/* + * zcache.h + * + * External zcache functions + * + * Copyright (c) 2009-2012, Dan Magenheimer, Oracle Corp. + */ + +#ifndef _ZCACHE_H_ +#define _ZCACHE_H_ + +extern int zcache_put(int, int, struct tmem_oid *, uint32_t, + char *, size_t, bool, int); +extern int zcache_autocreate_pool(int, int, bool); +extern int zcache_get(int, int, struct tmem_oid *, uint32_t, + char *, size_t *, bool, int); +extern int zcache_flush(int, int, struct tmem_oid *, uint32_t); +extern int zcache_flush_object(int, int, struct tmem_oid *); +extern int zcache_localify(int, struct tmem_oid *, uint32_t, + char *, size_t, void *); + +#endif /* _ZCACHE_H */ diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c index 04c23919f4d..e4ade550cfe 100644 --- a/drivers/staging/rtl8187se/r8180_core.c +++ b/drivers/staging/rtl8187se/r8180_core.c @@ -439,8 +439,7 @@ void buffer_free(struct net_device *dev, struct buffer **buffer, int len, short } kfree(tmp); tmp = next; - } - while (next != *buffer); + } while (next != *buffer); *buffer = NULL; } @@ -1392,11 +1391,13 @@ void PerformUndecoratedSignalSmoothing8185(struct r8180_priv *priv, priv->bCurCCKPkt = bCckRate; if (priv->UndecoratedSmoothedSS >= 0) - priv->UndecoratedSmoothedSS = ((priv->UndecoratedSmoothedSS * 5) + (priv->SignalStrength * 10)) / 6; + priv->UndecoratedSmoothedSS = ((priv->UndecoratedSmoothedSS * 5) + + (priv->SignalStrength * 10)) / 6; else priv->UndecoratedSmoothedSS = priv->SignalStrength * 10; - priv->UndercorateSmoothedRxPower = ((priv->UndercorateSmoothedRxPower * 50) + (priv->RxPower * 11)) / 60; + priv->UndercorateSmoothedRxPower = ((priv->UndercorateSmoothedRxPower * 50) + + (priv->RxPower * 11)) / 60; if (bCckRate) priv->CurCCKRSSI = priv->RSSI; @@ -1607,43 +1608,50 @@ void rtl8180_rx(struct net_device *dev) /* printk("==========================>rx : RXAGC is %d,signalstrength is %d\n",RXAGC,stats.signalstrength); */ stats.rssi = priv->wstats.qual.qual = priv->SignalQuality; stats.noise = priv->wstats.qual.noise = 100 - priv->wstats.qual.qual; - bHwError = (((*(priv->rxringtail)) & (0x00000fff)) == 4080) | (((*(priv->rxringtail)) & (0x04000000)) != 0) - | (((*(priv->rxringtail)) & (0x08000000)) != 0) | (((~(*(priv->rxringtail))) & (0x10000000)) != 0) | (((~(*(priv->rxringtail))) & (0x20000000)) != 0); + bHwError = (((*(priv->rxringtail)) & (0x00000fff)) == 4080) | + (((*(priv->rxringtail)) & (0x04000000)) != 0) | + (((*(priv->rxringtail)) & (0x08000000)) != 0) | + (((~(*(priv->rxringtail))) & (0x10000000)) != 0) | + (((~(*(priv->rxringtail))) & (0x20000000)) != 0); bCRC = ((*(priv->rxringtail)) & (0x00002000)) >> 13; bICV = ((*(priv->rxringtail)) & (0x00001000)) >> 12; hdr = (struct ieee80211_hdr_4addr *)priv->rxbuffer->buf; fc = le16_to_cpu(hdr->frame_ctl); type = WLAN_FC_GET_TYPE(fc); - if ((IEEE80211_FTYPE_CTL != type) && - (eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3)) - && (!bHwError) && (!bCRC) && (!bICV)) { - /* Perform signal smoothing for dynamic - * mechanism on demand. This is different - * with PerformSignalSmoothing8185 in smoothing - * fomula. No dramatic adjustion is apply - * because dynamic mechanism need some degree - * of correctness. */ - PerformUndecoratedSignalSmoothing8185(priv, bCckRate); - - /* For good-looking singal strength. */ - SignalStrengthIndex = NetgearSignalStrengthTranslate( - priv->LastSignalStrengthInPercent, - priv->SignalStrength); - - priv->LastSignalStrengthInPercent = SignalStrengthIndex; - priv->Stats_SignalStrength = TranslateToDbm8185((u8)SignalStrengthIndex); + if (IEEE80211_FTYPE_CTL != type && + !bHwError && !bCRC && !bICV && + eqMacAddr(priv->ieee80211->current_network.bssid, + fc & IEEE80211_FCTL_TODS ? hdr->addr1 : + fc & IEEE80211_FCTL_FROMDS ? hdr->addr2 : + hdr->addr3)) { + + /* Perform signal smoothing for dynamic + * mechanism on demand. This is different + * with PerformSignalSmoothing8185 in smoothing + * fomula. No dramatic adjustion is apply + * because dynamic mechanism need some degree + * of correctness. */ + PerformUndecoratedSignalSmoothing8185(priv, bCckRate); + + /* For good-looking singal strength. */ + SignalStrengthIndex = NetgearSignalStrengthTranslate( + priv->LastSignalStrengthInPercent, + priv->SignalStrength); + + priv->LastSignalStrengthInPercent = SignalStrengthIndex; + priv->Stats_SignalStrength = TranslateToDbm8185((u8)SignalStrengthIndex); /* * We need more correct power of received packets and the "SignalStrength" of RxStats is beautified, * so we record the correct power here. */ - priv->Stats_SignalQuality = (long)(priv->Stats_SignalQuality * 5 + (long)priv->SignalQuality + 5) / 6; - priv->Stats_RecvSignalPower = (long)(priv->Stats_RecvSignalPower * 5 + priv->RecvSignalPower - 1) / 6; + priv->Stats_SignalQuality = (long)(priv->Stats_SignalQuality * 5 + (long)priv->SignalQuality + 5) / 6; + priv->Stats_RecvSignalPower = (long)(priv->Stats_RecvSignalPower * 5 + priv->RecvSignalPower - 1) / 6; /* Figure out which antenna that received the lasted packet. */ - priv->LastRxPktAntenna = Antenna ? 1 : 0; /* 0: aux, 1: main. */ - SwAntennaDiversityRxOk8185(dev, priv->SignalStrength); - } + priv->LastRxPktAntenna = Antenna ? 1 : 0; /* 0: aux, 1: main. */ + SwAntennaDiversityRxOk8185(dev, priv->SignalStrength); + } if (first) { if (!priv->rx_skb_complete) { @@ -1654,7 +1662,7 @@ void rtl8180_rx(struct net_device *dev) } /* support for prism header has been originally added by Christian */ if (priv->prism_hdr && priv->ieee80211->iw_mode == IW_MODE_MONITOR) { - + } else { priv->rx_skb = dev_alloc_skb(len+2); if (!priv->rx_skb) @@ -1766,7 +1774,7 @@ void rtl8180_data_hard_resume(struct net_device *dev) rtl8180_set_mode(dev, EPROM_CMD_NORMAL); } -/* +/* * This function TX data frames when the ieee80211 stack requires this. * It checks also if we need to stop the ieee tx queue, eventually do it */ @@ -1810,7 +1818,7 @@ rate) { spin_unlock_irqrestore(&priv->tx_lock, flags); } -/* +/* * This is a rough attempt to TX a frame * This is called by the ieee 80211 stack to TX management frames. * If the ring is full packet are dropped (for data frame the queue @@ -1916,7 +1924,7 @@ void rtl8180_prepare_beacon(struct net_device *dev) } } -/* +/* * This function do the real dirty work: it enqueues a TX command * descriptor in the ring buffer, copyes the frame in a TX buffer * and kicks the NIC to ensure it does the DMA transfer. @@ -2002,7 +2010,8 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority, bRTSEnable = 0; bCTSEnable = 0; - ThisFrameTime = ComputeTxTime(len + sCrcLng, rtl8180_rate2rate(rate), 0, bUseShortPreamble); + ThisFrameTime = ComputeTxTime(len + sCrcLng, rtl8180_rate2rate(rate), + 0, bUseShortPreamble); TxDescDuration = ThisFrameTime; } else { /* Unicast packet */ u16 AckTime; @@ -2040,7 +2049,8 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority, bRTSEnable = 0; RtsDur = 0; - ThisFrameTime = ComputeTxTime(len + sCrcLng, rtl8180_rate2rate(rate), 0, bUseShortPreamble); + ThisFrameTime = ComputeTxTime(len + sCrcLng, rtl8180_rate2rate(rate), + 0, bUseShortPreamble); TxDescDuration = ThisFrameTime + aSifsTime + AckTime; } @@ -2184,7 +2194,7 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority, priv->txhpbufstail = buflist; break; case BEACON_PRIORITY: - /* + /* * The HW seems to be happy with the 1st * descriptor filled and the 2nd empty... * So always update descriptor 1 and never @@ -2304,13 +2314,13 @@ void rtl8180_hw_sleep(struct net_device *dev, u32 th, u32 tl) spin_lock_irqsave(&priv->ps_lock, flags); - /* + /* * Writing HW register with 0 equals to disable * the timer, that is not really what we want */ tl -= MSECS(4+16+7); - /* + /* * If the interval in witch we are requested to sleep is too * short then give up and remain awake */ @@ -2325,10 +2335,10 @@ void rtl8180_hw_sleep(struct net_device *dev, u32 th, u32 tl) u32 tmp = (tl > rb) ? (tl-rb) : (rb-tl); priv->DozePeriodInPast2Sec += jiffies_to_msecs(tmp); - - queue_delayed_work(priv->ieee80211->wq, &priv->ieee80211->hw_wakeup_wq, tmp); /* as tl may be less than rb */ + /* as tl may be less than rb */ + queue_delayed_work(priv->ieee80211->wq, &priv->ieee80211->hw_wakeup_wq, tmp); } - /* + /* * If we suspect the TimerInt is gone beyond tl * while setting it, then give up */ @@ -3086,7 +3096,8 @@ void rtl8185_set_rate(struct net_device *dev) max_rr_rate = ieeerate2rtlrate(240); write_nic_byte(dev, RESP_RATE, - max_rr_rate<<MAX_RESP_RATE_SHIFT | min_rr_rate<<MIN_RESP_RATE_SHIFT); + max_rr_rate<<MAX_RESP_RATE_SHIFT | + min_rr_rate<<MIN_RESP_RATE_SHIFT); word = read_nic_word(dev, BRSR); word &= ~BRSR_MBR_8185; @@ -3168,7 +3179,7 @@ void rtl8180_adapter_start(struct net_device *dev) netif_start_queue(dev); } -/* +/* * This configures registers for beacon tx and enables it via * rtl8180_beacon_tx_enable(). rtl8180_beacon_tx_disable() might * be used to stop beacon transmission @@ -3227,7 +3238,8 @@ void LeisurePSEnter(struct r8180_priv *priv) { if (priv->bLeisurePs) { if (priv->ieee80211->ps == IEEE80211_PS_DISABLED) - MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST); /* IEEE80211_PS_ENABLE */ + /* IEEE80211_PS_ENABLE */ + MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST); } } @@ -3299,7 +3311,10 @@ void rtl8180_watch_dog(struct net_device *dev) u16 SlotIndex = 0; u16 i = 0; if (priv->ieee80211->actscanning == false) { - if ((priv->ieee80211->iw_mode != IW_MODE_ADHOC) && (priv->ieee80211->state == IEEE80211_NOLINK) && (priv->ieee80211->beinretry == false) && (priv->eRFPowerState == eRfOn)) + if ((priv->ieee80211->iw_mode != IW_MODE_ADHOC) && + (priv->ieee80211->state == IEEE80211_NOLINK) && + (priv->ieee80211->beinretry == false) && + (priv->eRFPowerState == eRfOn)) IPSEnter(dev); } /* YJ,add,080828,for link state check */ @@ -3732,7 +3747,7 @@ static int __init rtl8180_pci_module_init(void) DMESG("Wireless extensions version %d", WIRELESS_EXT); rtl8180_proc_module_init(); - if (pci_register_driver(&rtl8180_pci_driver)) { + if (pci_register_driver(&rtl8180_pci_driver)) { DMESG("No device found"); return -ENODEV; } @@ -3839,7 +3854,7 @@ void rtl8180_tx_isr(struct net_device *dev, int pri, short error) return; } - /* + /* * We check all the descriptors between the head and the nic, * but not the currently pointed by the nic (the next to be txed) * and the previous of the pointed (might be in process ??) @@ -3877,7 +3892,7 @@ void rtl8180_tx_isr(struct net_device *dev, int pri, short error) head += 8; } - /* + /* * The head has been moved to the last certainly TXed * (or at least processed by the nic) packet. * The driver take forcefully owning of all these packets diff --git a/drivers/staging/rtl8187se/r8180_dm.c b/drivers/staging/rtl8187se/r8180_dm.c index 261085d4b74..4d7a5951486 100644 --- a/drivers/staging/rtl8187se/r8180_dm.c +++ b/drivers/staging/rtl8187se/r8180_dm.c @@ -1,14 +1,8 @@ -//#include "r8180.h" #include "r8180_dm.h" #include "r8180_hw.h" #include "r8180_93cx6.h" -//{by amy 080312 -// -// Description: -// Return TRUE if we shall perform High Power Mecahnism, FALSE otherwise. -// -//+by amy 080312 + /* Return TRUE if we shall perform High Power Mecahnism, FALSE otherwise. */ #define RATE_ADAPTIVE_TIMER_PERIOD 300 bool CheckHighPower(struct net_device *dev) @@ -17,33 +11,26 @@ bool CheckHighPower(struct net_device *dev) struct ieee80211_device *ieee = priv->ieee80211; if(!priv->bRegHighPowerMechanism) - { return false; - } if(ieee->state == IEEE80211_LINKED_SCANNING) - { return false; - } return true; } -// -// Description: -// Update Tx power level if necessary. -// See also DoRxHighPower() and SetTxPowerLevel8185() for reference. -// -// Note: -// The reason why we udpate Tx power level here instead of DoRxHighPower() -// is the number of IO to change Tx power is much more than channel TR switch -// and they are related to OFDM and MAC registers. -// So, we don't want to update it so frequently in per-Rx packet base. -// -void -DoTxHighPower( - struct net_device *dev - ) +/* + * Description: + * Update Tx power level if necessary. + * See also DoRxHighPower() and SetTxPowerLevel8185() for reference. + * + * Note: + * The reason why we udpate Tx power level here instead of DoRxHighPower() + * is the number of IO to change Tx power is much more than channel TR switch + * and they are related to OFDM and MAC registers. + * So, we don't want to update it so frequently in per-Rx packet base. + */ +void DoTxHighPower(struct net_device *dev) { struct r8180_priv *priv = ieee80211_priv(dev); u16 HiPwrUpperTh = 0; @@ -53,8 +40,6 @@ DoTxHighPower( u8 u1bTmp; char OfdmTxPwrIdx, CckTxPwrIdx; - //printk("----> DoTxHighPower()\n"); - HiPwrUpperTh = priv->RegHiPwrUpperTh; HiPwrLowerTh = priv->RegHiPwrLowerTh; @@ -63,526 +48,411 @@ DoTxHighPower( RSSIHiPwrUpperTh = priv->RegRSSIHiPwrUpperTh; RSSIHiPwrLowerTh = priv->RegRSSIHiPwrLowerTh; - //lzm add 080826 + /* lzm add 080826 */ OfdmTxPwrIdx = priv->chtxpwr_ofdm[priv->ieee80211->current_network.channel]; CckTxPwrIdx = priv->chtxpwr[priv->ieee80211->current_network.channel]; - // printk("DoTxHighPower() - UndecoratedSmoothedSS:%d, CurCCKRSSI = %d , bCurCCKPkt= %d \n", priv->UndecoratedSmoothedSS, priv->CurCCKRSSI, priv->bCurCCKPkt ); + if ((priv->UndecoratedSmoothedSS > HiPwrUpperTh) || + (priv->bCurCCKPkt && (priv->CurCCKRSSI > RSSIHiPwrUpperTh))) { + /* Stevenl suggested that degrade 8dbm in high power sate. 2007-12-04 Isaiah */ - if((priv->UndecoratedSmoothedSS > HiPwrUpperTh) || - (priv->bCurCCKPkt && (priv->CurCCKRSSI > RSSIHiPwrUpperTh))) - { - // Stevenl suggested that degrade 8dbm in high power sate. 2007-12-04 Isaiah - - // printk("=====>DoTxHighPower() - High Power - UndecoratedSmoothedSS:%d, HiPwrUpperTh = %d \n", priv->UndecoratedSmoothedSS, HiPwrUpperTh ); priv->bToUpdateTxPwr = true; u1bTmp= read_nic_byte(dev, CCK_TXAGC); - // If it never enter High Power. - if( CckTxPwrIdx == u1bTmp) - { - u1bTmp = (u1bTmp > 16) ? (u1bTmp -16): 0; // 8dbm - write_nic_byte(dev, CCK_TXAGC, u1bTmp); + /* If it never enter High Power. */ + if (CckTxPwrIdx == u1bTmp) { + u1bTmp = (u1bTmp > 16) ? (u1bTmp -16): 0; /* 8dbm */ + write_nic_byte(dev, CCK_TXAGC, u1bTmp); - u1bTmp= read_nic_byte(dev, OFDM_TXAGC); - u1bTmp = (u1bTmp > 16) ? (u1bTmp -16): 0; // 8dbm - write_nic_byte(dev, OFDM_TXAGC, u1bTmp); + u1bTmp= read_nic_byte(dev, OFDM_TXAGC); + u1bTmp = (u1bTmp > 16) ? (u1bTmp -16): 0; /* 8dbm */ + write_nic_byte(dev, OFDM_TXAGC, u1bTmp); } - } - else if((priv->UndecoratedSmoothedSS < HiPwrLowerTh) && - (!priv->bCurCCKPkt || priv->CurCCKRSSI < RSSIHiPwrLowerTh)) - { - // printk("DoTxHighPower() - lower Power - UndecoratedSmoothedSS:%d, HiPwrUpperTh = %d \n", priv->UndecoratedSmoothedSS, HiPwrLowerTh ); - if(priv->bToUpdateTxPwr) - { + } else if ((priv->UndecoratedSmoothedSS < HiPwrLowerTh) && + (!priv->bCurCCKPkt || priv->CurCCKRSSI < RSSIHiPwrLowerTh)) { + if (priv->bToUpdateTxPwr) { priv->bToUpdateTxPwr = false; - //SD3 required. + /* SD3 required. */ u1bTmp= read_nic_byte(dev, CCK_TXAGC); - if(u1bTmp < CckTxPwrIdx) - { - //u1bTmp = ((u1bTmp+16) > 35) ? 35: (u1bTmp+16); // 8dbm - //write_nic_byte(dev, CCK_TXAGC, u1bTmp); - write_nic_byte(dev, CCK_TXAGC, CckTxPwrIdx); + if (u1bTmp < CckTxPwrIdx) { + write_nic_byte(dev, CCK_TXAGC, CckTxPwrIdx); } u1bTmp= read_nic_byte(dev, OFDM_TXAGC); - if(u1bTmp < OfdmTxPwrIdx) - { - //u1bTmp = ((u1bTmp+16) > 35) ? 35: (u1bTmp+16); // 8dbm - //write_nic_byte(dev, OFDM_TXAGC, u1bTmp); - write_nic_byte(dev, OFDM_TXAGC, OfdmTxPwrIdx); + if (u1bTmp < OfdmTxPwrIdx) { + write_nic_byte(dev, OFDM_TXAGC, OfdmTxPwrIdx); } } } - - //printk("<---- DoTxHighPower()\n"); } -// -// Description: -// Callback function of UpdateTxPowerWorkItem. -// Because of some event happened, e.g. CCX TPC, High Power Mechanism, -// We update Tx power of current channel again. -// -void rtl8180_tx_pw_wq (struct work_struct *work) +/* + * Description: + * Callback function of UpdateTxPowerWorkItem. + * Because of some event happened, e.g. CCX TPC, High Power Mechanism, + * We update Tx power of current channel again. + */ +void rtl8180_tx_pw_wq(struct work_struct *work) { -// struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq); -// struct ieee80211_device * ieee = (struct ieee80211_device*) -// container_of(work, struct ieee80211_device, watch_dog_wq); struct delayed_work *dwork = to_delayed_work(work); - struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,tx_pw_wq); - struct net_device *dev = ieee->dev; - -// printk("----> UpdateTxPowerWorkItemCallback()\n"); + struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,tx_pw_wq); + struct net_device *dev = ieee->dev; DoTxHighPower(dev); - -// printk("<---- UpdateTxPowerWorkItemCallback()\n"); } -// -// Description: -// Return TRUE if we shall perform DIG Mecahnism, FALSE otherwise. -// -bool -CheckDig( - struct net_device *dev - ) +/* + * Return TRUE if we shall perform DIG Mecahnism, FALSE otherwise. + */ +bool CheckDig(struct net_device *dev) { struct r8180_priv *priv = ieee80211_priv(dev); struct ieee80211_device *ieee = priv->ieee80211; - if(!priv->bDigMechanism) + if (!priv->bDigMechanism) return false; - if(ieee->state != IEEE80211_LINKED) + if (ieee->state != IEEE80211_LINKED) return false; - //if(priv->CurrentOperaRate < 36) // Schedule Dig under all OFDM rates. By Bruce, 2007-06-01. - if((priv->ieee80211->rate/5) < 36) // Schedule Dig under all OFDM rates. By Bruce, 2007-06-01. + if ((priv->ieee80211->rate / 5) < 36) /* Schedule Dig under all OFDM rates. By Bruce, 2007-06-01. */ return false; return true; } -// -// Description: -// Implementation of DIG for Zebra and Zebra2. -// -void -DIG_Zebra( - struct net_device *dev - ) +/* + * Implementation of DIG for Zebra and Zebra2. + */ +void DIG_Zebra(struct net_device *dev) { struct r8180_priv *priv = ieee80211_priv(dev); u16 CCKFalseAlarm, OFDMFalseAlarm; u16 OfdmFA1, OfdmFA2; - int InitialGainStep = 7; // The number of initial gain stages. - int LowestGainStage = 4; // The capable lowest stage of performing dig workitem. - u32 AwakePeriodIn2Sec=0; - - //printk("---------> DIG_Zebra()\n"); + int InitialGainStep = 7; /* The number of initial gain stages. */ + int LowestGainStage = 4; /* The capable lowest stage of performing dig workitem. */ + u32 AwakePeriodIn2Sec = 0; CCKFalseAlarm = (u16)(priv->FalseAlarmRegValue & 0x0000ffff); OFDMFalseAlarm = (u16)((priv->FalseAlarmRegValue >> 16) & 0x0000ffff); OfdmFA1 = 0x15; OfdmFA2 = ((u16)(priv->RegDigOfdmFaUpTh)) << 8; -// printk("DIG**********CCK False Alarm: %#X \n",CCKFalseAlarm); -// printk("DIG**********OFDM False Alarm: %#X \n",OFDMFalseAlarm); - - // The number of initial gain steps is different, by Bruce, 2007-04-13. - if (priv->InitialGain == 0 ) //autoDIG - { // Advised from SD3 DZ - priv->InitialGain = 4; // In 87B, m74dBm means State 4 (m82dBm) - } - { // Advised from SD3 DZ - OfdmFA1 = 0x20; + /* The number of initial gain steps is different, by Bruce, 2007-04-13. */ + if (priv->InitialGain == 0) { /* autoDIG */ + /* Advised from SD3 DZ */ + priv->InitialGain = 4; /* In 87B, m74dBm means State 4 (m82dBm) */ } - -#if 1 //lzm reserved 080826 - AwakePeriodIn2Sec = (2000-priv ->DozePeriodInPast2Sec); - //printk("&&& DozePeriod=%d AwakePeriod=%d\n", priv->DozePeriodInPast2Sec, AwakePeriodIn2Sec); - priv ->DozePeriodInPast2Sec=0; - - if(AwakePeriodIn2Sec) - { - //RT_TRACE(COMP_DIG, DBG_TRACE, ("DIG: AwakePeriodIn2Sec(%d) - FATh(0x%X , 0x%X) ->",AwakePeriodIn2Sec, OfdmFA1, OfdmFA2)); - // adjuest DIG threshold. - OfdmFA1 = (u16)((OfdmFA1*AwakePeriodIn2Sec) / 2000) ; - OfdmFA2 = (u16)((OfdmFA2*AwakePeriodIn2Sec) / 2000) ; - //RT_TRACE(COMP_DIG, DBG_TRACE, ("( 0x%X , 0x%X)\n", OfdmFA1, OfdmFA2)); - } - else - { - ;//RT_TRACE(COMP_DIG, DBG_WARNING, ("ERROR!! AwakePeriodIn2Sec should not be ZERO!!\n")); + /* Advised from SD3 DZ */ + OfdmFA1 = 0x20; + +#if 1 /* lzm reserved 080826 */ + AwakePeriodIn2Sec = (2000 - priv->DozePeriodInPast2Sec); + priv ->DozePeriodInPast2Sec = 0; + + if (AwakePeriodIn2Sec) { + OfdmFA1 = (u16)((OfdmFA1 * AwakePeriodIn2Sec) / 2000) ; + OfdmFA2 = (u16)((OfdmFA2 * AwakePeriodIn2Sec) / 2000) ; + } else { + ; } #endif InitialGainStep = 8; - LowestGainStage = priv->RegBModeGainStage; // Lowest gain stage. + LowestGainStage = priv->RegBModeGainStage; /* Lowest gain stage. */ - if (OFDMFalseAlarm > OfdmFA1) - { - if (OFDMFalseAlarm > OfdmFA2) - { + if (OFDMFalseAlarm > OfdmFA1) { + if (OFDMFalseAlarm > OfdmFA2) { priv->DIG_NumberFallbackVote++; - if (priv->DIG_NumberFallbackVote >1) - { - //serious OFDM False Alarm, need fallback - if (priv->InitialGain < InitialGainStep) - { - priv->InitialGainBackUp= priv->InitialGain; + if (priv->DIG_NumberFallbackVote > 1) { + /* serious OFDM False Alarm, need fallback */ + if (priv->InitialGain < InitialGainStep) { + priv->InitialGainBackUp = priv->InitialGain; priv->InitialGain = (priv->InitialGain + 1); -// printk("DIG**********OFDM False Alarm: %#X, OfdmFA1: %#X, OfdmFA2: %#X\n", OFDMFalseAlarm, OfdmFA1, OfdmFA2); -// printk("DIG+++++++ fallback OFDM:%d \n", priv->InitialGain); UpdateInitialGain(dev); } priv->DIG_NumberFallbackVote = 0; - priv->DIG_NumberUpgradeVote=0; + priv->DIG_NumberUpgradeVote = 0; } - } - else - { + } else { if (priv->DIG_NumberFallbackVote) priv->DIG_NumberFallbackVote--; } - priv->DIG_NumberUpgradeVote=0; - } - else - { + priv->DIG_NumberUpgradeVote = 0; + } else { if (priv->DIG_NumberFallbackVote) priv->DIG_NumberFallbackVote--; priv->DIG_NumberUpgradeVote++; - if (priv->DIG_NumberUpgradeVote>9) - { - if (priv->InitialGain > LowestGainStage) // In 87B, m78dBm means State 4 (m864dBm) - { - priv->InitialGainBackUp= priv->InitialGain; + if (priv->DIG_NumberUpgradeVote > 9) { + if (priv->InitialGain > LowestGainStage) { /* In 87B, m78dBm means State 4 (m864dBm) */ + priv->InitialGainBackUp = priv->InitialGain; priv->InitialGain = (priv->InitialGain - 1); -// printk("DIG**********OFDM False Alarm: %#X, OfdmFA1: %#X, OfdmFA2: %#X\n", OFDMFalseAlarm, OfdmFA1, OfdmFA2); -// printk("DIG--------- Upgrade OFDM:%d \n", priv->InitialGain); UpdateInitialGain(dev); } priv->DIG_NumberFallbackVote = 0; - priv->DIG_NumberUpgradeVote=0; + priv->DIG_NumberUpgradeVote = 0; } } - -// printk("DIG+++++++ OFDM:%d\n", priv->InitialGain); - //printk("<--------- DIG_Zebra()\n"); } -// -// Description: -// Dispatch DIG implementation according to RF. -// -void -DynamicInitGain(struct net_device *dev) +/* + * Dispatch DIG implementation according to RF. + */ +void DynamicInitGain(struct net_device *dev) { DIG_Zebra(dev); } -void rtl8180_hw_dig_wq (struct work_struct *work) +void rtl8180_hw_dig_wq(struct work_struct *work) { struct delayed_work *dwork = to_delayed_work(work); - struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_dig_wq); - struct net_device *dev = ieee->dev; + struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_dig_wq); + struct net_device *dev = ieee->dev; struct r8180_priv *priv = ieee80211_priv(dev); - // Read CCK and OFDM False Alarm. + /* Read CCK and OFDM False Alarm. */ priv->FalseAlarmRegValue = read_nic_dword(dev, CCK_FALSE_ALARM); - // Adjust Initial Gain dynamically. + /* Adjust Initial Gain dynamically. */ DynamicInitGain(dev); } -int -IncludedInSupportedRates( - struct r8180_priv *priv, - u8 TxRate ) +int IncludedInSupportedRates(struct r8180_priv *priv, u8 TxRate) { - u8 rate_len; - u8 rate_ex_len; - u8 RateMask = 0x7F; - u8 idx; - unsigned short Found = 0; - u8 NaiveTxRate = TxRate&RateMask; - - rate_len = priv->ieee80211->current_network.rates_len; - rate_ex_len = priv->ieee80211->current_network.rates_ex_len; - for( idx=0; idx< rate_len; idx++ ) - { - if( (priv->ieee80211->current_network.rates[idx] & RateMask) == NaiveTxRate ) - { - Found = 1; - goto found_rate; - } - } - for( idx=0; idx< rate_ex_len; idx++ ) - { - if( (priv->ieee80211->current_network.rates_ex[idx] & RateMask) == NaiveTxRate ) - { - Found = 1; - goto found_rate; - } - } - return Found; - found_rate: - return Found; + u8 rate_len; + u8 rate_ex_len; + u8 RateMask = 0x7F; + u8 idx; + unsigned short Found = 0; + u8 NaiveTxRate = TxRate&RateMask; + + rate_len = priv->ieee80211->current_network.rates_len; + rate_ex_len = priv->ieee80211->current_network.rates_ex_len; + for (idx=0; idx < rate_len; idx++) { + if ((priv->ieee80211->current_network.rates[idx] & RateMask) == NaiveTxRate) { + Found = 1; + goto found_rate; + } + } + for (idx = 0; idx < rate_ex_len; idx++) { + if ((priv->ieee80211->current_network.rates_ex[idx] & RateMask) == NaiveTxRate) { + Found = 1; + goto found_rate; + } + } + return Found; + found_rate: + return Found; } -// -// Description: -// Get the Tx rate one degree up form the input rate in the supported rates. -// Return the upgrade rate if it is successed, otherwise return the input rate. -// By Bruce, 2007-06-05. -// -u8 -GetUpgradeTxRate( - struct net_device *dev, - u8 rate - ) +/* + * Get the Tx rate one degree up form the input rate in the supported rates. + * Return the upgrade rate if it is successed, otherwise return the input rate. + */ +u8 GetUpgradeTxRate(struct net_device *dev, u8 rate) { - struct r8180_priv *priv = ieee80211_priv(dev); - u8 UpRate; - - // Upgrade 1 degree. - switch(rate) - { - case 108: // Up to 54Mbps. - UpRate = 108; - break; - - case 96: // Up to 54Mbps. - UpRate = 108; - break; - - case 72: // Up to 48Mbps. - UpRate = 96; - break; - - case 48: // Up to 36Mbps. - UpRate = 72; - break; - - case 36: // Up to 24Mbps. - UpRate = 48; - break; - - case 22: // Up to 18Mbps. - UpRate = 36; - break; - - case 11: // Up to 11Mbps. - UpRate = 22; - break; - - case 4: // Up to 5.5Mbps. - UpRate = 11; - break; - - case 2: // Up to 2Mbps. - UpRate = 4; - break; - - default: - printk("GetUpgradeTxRate(): Input Tx Rate(%d) is undefined!\n", rate); - return rate; - } - // Check if the rate is valid. - if(IncludedInSupportedRates(priv, UpRate)) - { -// printk("GetUpgradeTxRate(): GetUpgrade Tx rate(%d) from %d !\n", UpRate, priv->CurrentOperaRate); - return UpRate; - } - else - { - //printk("GetUpgradeTxRate(): Tx rate (%d) is not in supported rates\n", UpRate); - return rate; - } - return rate; + struct r8180_priv *priv = ieee80211_priv(dev); + u8 UpRate; + + /* Upgrade 1 degree. */ + switch (rate) { + case 108: /* Up to 54Mbps. */ + UpRate = 108; + break; + + case 96: /* Up to 54Mbps. */ + UpRate = 108; + break; + + case 72: /* Up to 48Mbps. */ + UpRate = 96; + break; + + case 48: /* Up to 36Mbps. */ + UpRate = 72; + break; + + case 36: /* Up to 24Mbps. */ + UpRate = 48; + break; + + case 22: /* Up to 18Mbps. */ + UpRate = 36; + break; + + case 11: /* Up to 11Mbps. */ + UpRate = 22; + break; + + case 4: /* Up to 5.5Mbps. */ + UpRate = 11; + break; + + case 2: /* Up to 2Mbps. */ + UpRate = 4; + break; + + default: + printk("GetUpgradeTxRate(): Input Tx Rate(%d) is undefined!\n", rate); + return rate; + } + /* Check if the rate is valid. */ + if (IncludedInSupportedRates(priv, UpRate)) { + return UpRate; + } else { + return rate; + } + return rate; } -// -// Description: -// Get the Tx rate one degree down form the input rate in the supported rates. -// Return the degrade rate if it is successed, otherwise return the input rate. -// By Bruce, 2007-06-05. -// -u8 -GetDegradeTxRate( - struct net_device *dev, - u8 rate - ) +/* + * Get the Tx rate one degree down form the input rate in the supported rates. + * Return the degrade rate if it is successed, otherwise return the input rate. + */ + +u8 GetDegradeTxRate(struct net_device *dev, u8 rate) { - struct r8180_priv *priv = ieee80211_priv(dev); - u8 DownRate; - - // Upgrade 1 degree. - switch(rate) - { - case 108: // Down to 48Mbps. - DownRate = 96; - break; - - case 96: // Down to 36Mbps. - DownRate = 72; - break; - - case 72: // Down to 24Mbps. - DownRate = 48; - break; - - case 48: // Down to 18Mbps. - DownRate = 36; - break; - - case 36: // Down to 11Mbps. - DownRate = 22; - break; - - case 22: // Down to 5.5Mbps. - DownRate = 11; - break; - - case 11: // Down to 2Mbps. - DownRate = 4; - break; - - case 4: // Down to 1Mbps. - DownRate = 2; - break; - - case 2: // Down to 1Mbps. - DownRate = 2; - break; - - default: - printk("GetDegradeTxRate(): Input Tx Rate(%d) is undefined!\n", rate); - return rate; - } - // Check if the rate is valid. - if(IncludedInSupportedRates(priv, DownRate)) - { -// printk("GetDegradeTxRate(): GetDegrade Tx rate(%d) from %d!\n", DownRate, priv->CurrentOperaRate); - return DownRate; - } - else - { - //printk("GetDegradeTxRate(): Tx rate (%d) is not in supported rates\n", DownRate); - return rate; - } - return rate; + struct r8180_priv *priv = ieee80211_priv(dev); + u8 DownRate; + + /* Upgrade 1 degree. */ + switch (rate) { + case 108: /* Down to 48Mbps. */ + DownRate = 96; + break; + + case 96: /* Down to 36Mbps. */ + DownRate = 72; + break; + + case 72: /* Down to 24Mbps. */ + DownRate = 48; + break; + + case 48: /* Down to 18Mbps. */ + DownRate = 36; + break; + + case 36: /* Down to 11Mbps. */ + DownRate = 22; + break; + + case 22: /* Down to 5.5Mbps. */ + DownRate = 11; + break; + + case 11: /* Down to 2Mbps. */ + DownRate = 4; + break; + + case 4: /* Down to 1Mbps. */ + DownRate = 2; + break; + + case 2: /* Down to 1Mbps. */ + DownRate = 2; + break; + + default: + printk("GetDegradeTxRate(): Input Tx Rate(%d) is undefined!\n", rate); + return rate; + } + /* Check if the rate is valid. */ + if (IncludedInSupportedRates(priv, DownRate)) { + return DownRate; + } else { + return rate; + } + return rate; } -// -// Helper function to determine if specified data rate is -// CCK rate. -// 2005.01.25, by rcnjko. -// -bool -MgntIsCckRate( - u16 rate - ) +/* + * Helper function to determine if specified data rate is + * CCK rate. + */ + +bool MgntIsCckRate(u16 rate) { - bool bReturn = false; + bool bReturn = false; - if((rate <= 22) && (rate != 12) && (rate != 18)) - { - bReturn = true; - } + if ((rate <= 22) && (rate != 12) && (rate != 18)) { + bReturn = true; + } - return bReturn; + return bReturn; } -// -// Description: -// Tx Power tracking mechanism routine on 87SE. -// Created by Roger, 2007.12.11. -// -void -TxPwrTracking87SE( - struct net_device *dev -) +/* + * Description: + * Tx Power tracking mechanism routine on 87SE. + */ +void TxPwrTracking87SE(struct net_device *dev) { struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); u8 tmpu1Byte, CurrentThermal, Idx; char CckTxPwrIdx, OfdmTxPwrIdx; - //u32 u4bRfReg; tmpu1Byte = read_nic_byte(dev, EN_LPF_CAL); - CurrentThermal = (tmpu1Byte & 0xf0)>>4; //[ 7:4]: thermal meter indication. - CurrentThermal = (CurrentThermal>0x0c)? 0x0c:CurrentThermal;//lzm add 080826 - - //printk("TxPwrTracking87SE(): CurrentThermal(%d)\n", CurrentThermal); + CurrentThermal = (tmpu1Byte & 0xf0) >> 4; /*[ 7:4]: thermal meter indication. */ + CurrentThermal = (CurrentThermal > 0x0c) ? 0x0c:CurrentThermal;/* lzm add 080826 */ - if( CurrentThermal != priv->ThermalMeter) - { -// printk("TxPwrTracking87SE(): Thermal meter changed!!!\n"); - - // Update Tx Power level on each channel. - for(Idx = 1; Idx<15; Idx++) - { + if (CurrentThermal != priv->ThermalMeter) { + /* Update Tx Power level on each channel. */ + for (Idx = 1; Idx < 15; Idx++) { CckTxPwrIdx = priv->chtxpwr[Idx]; OfdmTxPwrIdx = priv->chtxpwr_ofdm[Idx]; - if( CurrentThermal > priv->ThermalMeter ) - { // higher thermal meter. - CckTxPwrIdx += (CurrentThermal - priv->ThermalMeter)*2; - OfdmTxPwrIdx += (CurrentThermal - priv->ThermalMeter)*2; + if (CurrentThermal > priv->ThermalMeter) { + /* higher thermal meter. */ + CckTxPwrIdx += (CurrentThermal - priv->ThermalMeter) * 2; + OfdmTxPwrIdx += (CurrentThermal - priv->ThermalMeter) * 2; - if(CckTxPwrIdx >35) - CckTxPwrIdx = 35; // Force TxPower to maximal index. - if(OfdmTxPwrIdx >35) + if (CckTxPwrIdx > 35) + CckTxPwrIdx = 35; /* Force TxPower to maximal index. */ + if (OfdmTxPwrIdx > 35) OfdmTxPwrIdx = 35; - } - else - { // lower thermal meter. - CckTxPwrIdx -= (priv->ThermalMeter - CurrentThermal)*2; - OfdmTxPwrIdx -= (priv->ThermalMeter - CurrentThermal)*2; + } else { + /* lower thermal meter. */ + CckTxPwrIdx -= (priv->ThermalMeter - CurrentThermal) * 2; + OfdmTxPwrIdx -= (priv->ThermalMeter - CurrentThermal) * 2; - if(CckTxPwrIdx <0) + if (CckTxPwrIdx < 0) CckTxPwrIdx = 0; - if(OfdmTxPwrIdx <0) + if (OfdmTxPwrIdx < 0) OfdmTxPwrIdx = 0; } - // Update TxPower level on CCK and OFDM resp. + /* Update TxPower level on CCK and OFDM resp. */ priv->chtxpwr[Idx] = CckTxPwrIdx; priv->chtxpwr_ofdm[Idx] = OfdmTxPwrIdx; } - // Update TxPower level immediately. + /* Update TxPower level immediately. */ rtl8225z2_SetTXPowerLevel(dev, priv->ieee80211->current_network.channel); } priv->ThermalMeter = CurrentThermal; } -void -StaRateAdaptive87SE( - struct net_device *dev - ) +void StaRateAdaptive87SE(struct net_device *dev) { struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); - unsigned long CurrTxokCnt; - u16 CurrRetryCnt; - u16 CurrRetryRate; - //u16 i,idx; - unsigned long CurrRxokCnt; - bool bTryUp = false; - bool bTryDown = false; - u8 TryUpTh = 1; - u8 TryDownTh = 2; - u32 TxThroughput; + unsigned long CurrTxokCnt; + u16 CurrRetryCnt; + u16 CurrRetryRate; + unsigned long CurrRxokCnt; + bool bTryUp = false; + bool bTryDown = false; + u8 TryUpTh = 1; + u8 TryDownTh = 2; + u32 TxThroughput; long CurrSignalStrength; bool bUpdateInitialGain = false; - u8 u1bOfdm=0, u1bCck = 0; + u8 u1bOfdm = 0, u1bCck = 0; char OfdmTxPwrIdx, CckTxPwrIdx; - priv->RateAdaptivePeriod= RATE_ADAPTIVE_TIMER_PERIOD; + priv->RateAdaptivePeriod = RATE_ADAPTIVE_TIMER_PERIOD; CurrRetryCnt = priv->CurrRetryCnt; @@ -591,707 +461,462 @@ StaRateAdaptive87SE( CurrSignalStrength = priv->Stats_RecvSignalPower; TxThroughput = (u32)(priv->NumTxOkBytesTotal - priv->LastTxOKBytes); priv->LastTxOKBytes = priv->NumTxOkBytesTotal; - priv->CurrentOperaRate = priv->ieee80211->rate/5; - //printk("priv->CurrentOperaRate is %d\n",priv->CurrentOperaRate); - //2 Compute retry ratio. - if (CurrTxokCnt>0) - { - CurrRetryRate = (u16)(CurrRetryCnt*100/CurrTxokCnt); + priv->CurrentOperaRate = priv->ieee80211->rate / 5; + /* 2 Compute retry ratio. */ + if (CurrTxokCnt > 0) { + CurrRetryRate = (u16)(CurrRetryCnt * 100 / CurrTxokCnt); + } else { + /* It may be serious retry. To distinguish serious retry or no packets modified by Bruce */ + CurrRetryRate = (u16)(CurrRetryCnt * 100 / 1); } - else - { // It may be serious retry. To distinguish serious retry or no packets modified by Bruce - CurrRetryRate = (u16)(CurrRetryCnt*100/1); - } - - - // - // Added by Roger, 2007.01.02. - // For debug information. - // - //printk("\n(1) pHalData->LastRetryRate: %d \n",priv->LastRetryRate); - //printk("(2) RetryCnt = %d \n", CurrRetryCnt); - //printk("(3) TxokCnt = %d \n", CurrTxokCnt); - //printk("(4) CurrRetryRate = %d \n", CurrRetryRate); - //printk("(5) CurrSignalStrength = %d \n",CurrSignalStrength); - //printk("(6) TxThroughput is %d\n",TxThroughput); - //printk("priv->NumTxOkBytesTotal is %d\n",priv->NumTxOkBytesTotal); priv->LastRetryCnt = priv->CurrRetryCnt; priv->LastTxokCnt = priv->NumTxOkTotal; priv->LastRxokCnt = priv->ieee80211->NumRxOkTotal; priv->CurrRetryCnt = 0; - //2No Tx packets, return to init_rate or not? - if (CurrRetryRate==0 && CurrTxokCnt == 0) - { - // - //After 9 (30*300ms) seconds in this condition, we try to raise rate. - // + /* 2No Tx packets, return to init_rate or not? */ + if (CurrRetryRate == 0 && CurrTxokCnt == 0) { + /* + * After 9 (30*300ms) seconds in this condition, we try to raise rate. + */ priv->TryupingCountNoData++; -// printk("No Tx packets, TryupingCountNoData(%d)\n", priv->TryupingCountNoData); - //[TRC Dell Lab] Extend raised period from 4.5sec to 9sec, Isaiah 2008-02-15 18:00 - if (priv->TryupingCountNoData>30) - { + /* [TRC Dell Lab] Extend raised period from 4.5sec to 9sec, Isaiah 2008-02-15 18:00 */ + if (priv->TryupingCountNoData > 30) { priv->TryupingCountNoData = 0; - priv->CurrentOperaRate = GetUpgradeTxRate(dev, priv->CurrentOperaRate); - // Reset Fail Record + priv->CurrentOperaRate = GetUpgradeTxRate(dev, priv->CurrentOperaRate); + /* Reset Fail Record */ priv->LastFailTxRate = 0; priv->LastFailTxRateSS = -200; priv->FailTxRateCount = 0; } goto SetInitialGain; - } - else - { - priv->TryupingCountNoData=0; //Reset trying up times. + } else { + priv->TryupingCountNoData = 0; /*Reset trying up times. */ } - // - // For Netgear case, I comment out the following signal strength estimation, - // which can results in lower rate to transmit when sample is NOT enough (e.g. PING request). - // 2007.04.09, by Roger. - // - - // - // Restructure rate adaptive as the following main stages: - // (1) Add retry threshold in 54M upgrading condition with signal strength. - // (2) Add the mechanism to degrade to CCK rate according to signal strength - // and retry rate. - // (3) Remove all Initial Gain Updates over OFDM rate. To avoid the complicated - // situation, Initial Gain Update is upon on DIG mechanism except CCK rate. - // (4) Add the mehanism of trying to upgrade tx rate. - // (5) Record the information of upping tx rate to avoid trying upping tx rate constantly. - // By Bruce, 2007-06-05. - // - // - - // 11Mbps or 36Mbps - // Check more times in these rate(key rates). - // - if(priv->CurrentOperaRate == 22 || priv->CurrentOperaRate == 72) - { + /* + * For Netgear case, I comment out the following signal strength estimation, + * which can results in lower rate to transmit when sample is NOT enough (e.g. PING request). + * + * Restructure rate adaptive as the following main stages: + * (1) Add retry threshold in 54M upgrading condition with signal strength. + * (2) Add the mechanism to degrade to CCK rate according to signal strength + * and retry rate. + * (3) Remove all Initial Gain Updates over OFDM rate. To avoid the complicated + * situation, Initial Gain Update is upon on DIG mechanism except CCK rate. + * (4) Add the mehanism of trying to upgrade tx rate. + * (5) Record the information of upping tx rate to avoid trying upping tx rate constantly. + * + */ + + /* + * 11Mbps or 36Mbps + * Check more times in these rate(key rates). + */ + if (priv->CurrentOperaRate == 22 || priv->CurrentOperaRate == 72) TryUpTh += 9; - } - // - // Let these rates down more difficult. - // - if(MgntIsCckRate(priv->CurrentOperaRate) || priv->CurrentOperaRate == 36) - { - TryDownTh += 1; - } - - //1 Adjust Rate. - if (priv->bTryuping == true) - { - //2 For Test Upgrading mechanism - // Note: - // Sometimes the throughput is upon on the capability bwtween the AP and NIC, - // thus the low data rate does not improve the performance. - // We randomly upgrade the data rate and check if the retry rate is improved. - - // Upgrading rate did not improve the retry rate, fallback to the original rate. - if ( (CurrRetryRate > 25) && TxThroughput < priv->LastTxThroughput) - { - //Not necessary raising rate, fall back rate. + /* + * Let these rates down more difficult. + */ + if (MgntIsCckRate(priv->CurrentOperaRate) || priv->CurrentOperaRate == 36) + TryDownTh += 1; + + /* 1 Adjust Rate. */ + if (priv->bTryuping == true) { + /* 2 For Test Upgrading mechanism + * Note: + * Sometimes the throughput is upon on the capability bwtween the AP and NIC, + * thus the low data rate does not improve the performance. + * We randomly upgrade the data rate and check if the retry rate is improved. + */ + + /* Upgrading rate did not improve the retry rate, fallback to the original rate. */ + if ((CurrRetryRate > 25) && TxThroughput < priv->LastTxThroughput) { + /*Not necessary raising rate, fall back rate. */ bTryDown = true; - //printk("case1-1: Not necessary raising rate, fall back rate....\n"); - //printk("case1-1: pMgntInfo->CurrentOperaRate =%d, TxThroughput = %d, LastThroughput = %d\n", - // priv->CurrentOperaRate, TxThroughput, priv->LastTxThroughput); - } - else - { + } else { priv->bTryuping = false; } - } - else if (CurrSignalStrength > -47 && (CurrRetryRate < 50)) - { - //2For High Power - // - // Added by Roger, 2007.04.09. - // Return to highest data rate, if signal strength is good enough. - // SignalStrength threshold(-50dbm) is for RTL8186. - // Revise SignalStrength threshold to -51dbm. - // - // Also need to check retry rate for safety, by Bruce, 2007-06-05. - if(priv->CurrentOperaRate != priv->ieee80211->current_network.HighestOperaRate ) - { + } else if (CurrSignalStrength > -47 && (CurrRetryRate < 50)) { + /* + * 2For High Power + * + * Return to highest data rate, if signal strength is good enough. + * SignalStrength threshold(-50dbm) is for RTL8186. + * Revise SignalStrength threshold to -51dbm. + */ + /* Also need to check retry rate for safety, by Bruce, 2007-06-05. */ + if (priv->CurrentOperaRate != priv->ieee80211->current_network.HighestOperaRate) { bTryUp = true; - // Upgrade Tx Rate directly. + /* Upgrade Tx Rate directly. */ priv->TryupingCount += TryUpTh; } -// printk("case2: StaRateAdaptive87SE: Power(%d) is high enough!!. \n", CurrSignalStrength); - } - else if(CurrTxokCnt > 9 && CurrTxokCnt< 100 && CurrRetryRate >= 600) - { - //2 For Serious Retry - // - // Traffic is not busy but our Tx retry is serious. - // + } else if (CurrTxokCnt > 9 && CurrTxokCnt < 100 && CurrRetryRate >= 600) { + /* + *2 For Serious Retry + * + * Traffic is not busy but our Tx retry is serious. + */ bTryDown = true; - // Let Rate Mechanism to degrade tx rate directly. + /* Let Rate Mechanism to degrade tx rate directly. */ priv->TryDownCountLowData += TryDownTh; -// printk("case3: RA: Tx Retry is serious. Degrade Tx Rate to %d directly...\n", priv->CurrentOperaRate); - } - else if ( priv->CurrentOperaRate == 108 ) - { - //2For 54Mbps - // Air Link - if ( (CurrRetryRate>26)&&(priv->LastRetryRate>25)) -// if ( (CurrRetryRate>40)&&(priv->LastRetryRate>39)) - { - //Down to rate 48Mbps. + } else if (priv->CurrentOperaRate == 108) { + /* 2For 54Mbps */ + /* Air Link */ + if ((CurrRetryRate > 26) && (priv->LastRetryRate > 25)) { bTryDown = true; } - // Cable Link - else if ( (CurrRetryRate>17)&&(priv->LastRetryRate>16) && (CurrSignalStrength > -72)) -// else if ( (CurrRetryRate>17)&&(priv->LastRetryRate>16) && (CurrSignalStrength > -72)) - { - //Down to rate 48Mbps. + /* Cable Link */ + else if ((CurrRetryRate > 17) && (priv->LastRetryRate > 16) && (CurrSignalStrength > -72)) { bTryDown = true; } - if(bTryDown && (CurrSignalStrength < -75)) //cable link - { + if (bTryDown && (CurrSignalStrength < -75)) /* cable link */ priv->TryDownCountLowData += TryDownTh; - } - //printk("case4---54M \n"); - } - else if ( priv->CurrentOperaRate == 96 ) - { - //2For 48Mbps - //Air Link - if ( ((CurrRetryRate>48) && (priv->LastRetryRate>47))) -// if ( ((CurrRetryRate>65) && (priv->LastRetryRate>64))) - - { - //Down to rate 36Mbps. + else if (priv->CurrentOperaRate == 96) { + /* 2For 48Mbps */ + /* Air Link */ + if (((CurrRetryRate > 48) && (priv->LastRetryRate > 47))) { bTryDown = true; - } - //Cable Link - else if ( ((CurrRetryRate>21) && (priv->LastRetryRate>20)) && (CurrSignalStrength > -74)) - { - //Down to rate 36Mbps. + } else if (((CurrRetryRate > 21) && (priv->LastRetryRate > 20)) && (CurrSignalStrength > -74)) { /* Cable Link */ + /* Down to rate 36Mbps. */ bTryDown = true; - } - else if((CurrRetryRate> (priv->LastRetryRate + 50 )) && (priv->FailTxRateCount >2 )) -// else if((CurrRetryRate> (priv->LastRetryRate + 70 )) && (priv->FailTxRateCount >2 )) - { + } else if ((CurrRetryRate > (priv->LastRetryRate + 50)) && (priv->FailTxRateCount > 2)) { bTryDown = true; priv->TryDownCountLowData += TryDownTh; - } - else if ( (CurrRetryRate<8) && (priv->LastRetryRate<8) ) //TO DO: need to consider (RSSI) -// else if ( (CurrRetryRate<28) && (priv->LastRetryRate<8) ) - { + } else if ((CurrRetryRate < 8) && (priv->LastRetryRate < 8)) { /* TO DO: need to consider (RSSI) */ bTryUp = true; } - if(bTryDown && (CurrSignalStrength < -75)) - { + if (bTryDown && (CurrSignalStrength < -75)){ priv->TryDownCountLowData += TryDownTh; } - //printk("case5---48M \n"); - } - else if ( priv->CurrentOperaRate == 72 ) - { - //2For 36Mbps - if ( (CurrRetryRate>43) && (priv->LastRetryRate>41)) -// if ( (CurrRetryRate>60) && (priv->LastRetryRate>59)) - { - //Down to rate 24Mbps. + } else if (priv->CurrentOperaRate == 72) { + /* 2For 36Mbps */ + if ((CurrRetryRate > 43) && (priv->LastRetryRate > 41)) { + /* Down to rate 24Mbps. */ bTryDown = true; - } - else if((CurrRetryRate> (priv->LastRetryRate + 50 )) && (priv->FailTxRateCount >2 )) -// else if((CurrRetryRate> (priv->LastRetryRate + 70 )) && (priv->FailTxRateCount >2 )) - { + } else if ((CurrRetryRate > (priv->LastRetryRate + 50)) && (priv->FailTxRateCount > 2)) { bTryDown = true; priv->TryDownCountLowData += TryDownTh; - } - else if ( (CurrRetryRate<15) && (priv->LastRetryRate<16)) //TO DO: need to consider (RSSI) -// else if ( (CurrRetryRate<35) && (priv->LastRetryRate<36)) - { + } else if ((CurrRetryRate < 15) && (priv->LastRetryRate < 16)) { /* TO DO: need to consider (RSSI) */ bTryUp = true; } - if(bTryDown && (CurrSignalStrength < -80)) - { + if (bTryDown && (CurrSignalStrength < -80)) priv->TryDownCountLowData += TryDownTh; - } - //printk("case6---36M \n"); - } - else if ( priv->CurrentOperaRate == 48 ) - { - //2For 24Mbps - // Air Link - if ( ((CurrRetryRate>63) && (priv->LastRetryRate>62))) -// if ( ((CurrRetryRate>83) && (priv->LastRetryRate>82))) - { - //Down to rate 18Mbps. + + } else if (priv->CurrentOperaRate == 48) { + /* 2For 24Mbps */ + /* Air Link */ + if (((CurrRetryRate > 63) && (priv->LastRetryRate > 62))) { bTryDown = true; - } - //Cable Link - else if ( ((CurrRetryRate>33) && (priv->LastRetryRate>32)) && (CurrSignalStrength > -82) ) -// else if ( ((CurrRetryRate>50) && (priv->LastRetryRate>49)) && (CurrSignalStrength > -82) ) - { - //Down to rate 18Mbps. + } else if (((CurrRetryRate > 33) && (priv->LastRetryRate > 32)) && (CurrSignalStrength > -82)) { /* Cable Link */ bTryDown = true; - } - else if((CurrRetryRate> (priv->LastRetryRate + 50 )) && (priv->FailTxRateCount >2 )) -// else if((CurrRetryRate> (priv->LastRetryRate + 70 )) && (priv->FailTxRateCount >2 )) - - { + } else if ((CurrRetryRate > (priv->LastRetryRate + 50)) && (priv->FailTxRateCount > 2 )) { bTryDown = true; priv->TryDownCountLowData += TryDownTh; - } - else if ( (CurrRetryRate<20) && (priv->LastRetryRate<21)) //TO DO: need to consider (RSSI) -// else if ( (CurrRetryRate<40) && (priv->LastRetryRate<41)) - { + } else if ((CurrRetryRate < 20) && (priv->LastRetryRate < 21)) { /* TO DO: need to consider (RSSI) */ bTryUp = true; } - if(bTryDown && (CurrSignalStrength < -82)) - { + if (bTryDown && (CurrSignalStrength < -82)) priv->TryDownCountLowData += TryDownTh; - } - //printk("case7---24M \n"); - } - else if ( priv->CurrentOperaRate == 36 ) - { - //2For 18Mbps - // original (109, 109) - //[TRC Dell Lab] (90, 91), Isaiah 2008-02-18 23:24 - // (85, 86), Isaiah 2008-02-18 24:00 - if ( ((CurrRetryRate>85) && (priv->LastRetryRate>86))) -// if ( ((CurrRetryRate>115) && (priv->LastRetryRate>116))) - { - //Down to rate 11Mbps. + + } else if (priv->CurrentOperaRate == 36) { + if (((CurrRetryRate > 85) && (priv->LastRetryRate > 86))) { bTryDown = true; - } - //[TRC Dell Lab] Isaiah 2008-02-18 23:24 - else if((CurrRetryRate> (priv->LastRetryRate + 50 )) && (priv->FailTxRateCount >2 )) -// else if((CurrRetryRate> (priv->LastRetryRate + 70 )) && (priv->FailTxRateCount >2 )) - { + } else if ((CurrRetryRate > (priv->LastRetryRate + 50)) && (priv->FailTxRateCount > 2)) { bTryDown = true; priv->TryDownCountLowData += TryDownTh; - } - else if ( (CurrRetryRate<22) && (priv->LastRetryRate<23)) //TO DO: need to consider (RSSI) -// else if ( (CurrRetryRate<42) && (priv->LastRetryRate<43)) - { + } else if ((CurrRetryRate < 22) && (priv->LastRetryRate < 23)) { /* TO DO: need to consider (RSSI) */ bTryUp = true; } - //printk("case8---18M \n"); - } - else if ( priv->CurrentOperaRate == 22 ) - { - //2For 11Mbps - if (CurrRetryRate>95) -// if (CurrRetryRate>155) - { + } else if (priv->CurrentOperaRate == 22) { + /* 2For 11Mbps */ + if (CurrRetryRate > 95) { bTryDown = true; } - else if ( (CurrRetryRate<29) && (priv->LastRetryRate <30) )//TO DO: need to consider (RSSI) -// else if ( (CurrRetryRate<49) && (priv->LastRetryRate <50) ) - { + else if ((CurrRetryRate < 29) && (priv->LastRetryRate < 30)) { /*TO DO: need to consider (RSSI) */ bTryUp = true; - } - //printk("case9---11M \n"); } - else if ( priv->CurrentOperaRate == 11 ) - { - //2For 5.5Mbps - if (CurrRetryRate>149) -// if (CurrRetryRate>189) - { + } else if (priv->CurrentOperaRate == 11) { + /* 2For 5.5Mbps */ + if (CurrRetryRate > 149) { bTryDown = true; - } - else if ( (CurrRetryRate<60) && (priv->LastRetryRate < 65)) -// else if ( (CurrRetryRate<80) && (priv->LastRetryRate < 85)) - - { + } else if ((CurrRetryRate < 60) && (priv->LastRetryRate < 65)) { bTryUp = true; - } - //printk("case10---5.5M \n"); } - else if ( priv->CurrentOperaRate == 4 ) - { - //2For 2 Mbps - if((CurrRetryRate>99) && (priv->LastRetryRate>99)) -// if((CurrRetryRate>199) && (priv->LastRetryRate>199)) - { + } else if (priv->CurrentOperaRate == 4) { + /* 2For 2 Mbps */ + if ((CurrRetryRate > 99) && (priv->LastRetryRate > 99)) { bTryDown = true; - } - else if ( (CurrRetryRate < 65) && (priv->LastRetryRate < 70)) -// else if ( (CurrRetryRate < 85) && (priv->LastRetryRate < 90)) - { + } else if ((CurrRetryRate < 65) && (priv->LastRetryRate < 70)) { bTryUp = true; } - //printk("case11---2M \n"); - } - else if ( priv->CurrentOperaRate == 2 ) - { - //2For 1 Mbps - if( (CurrRetryRate<70) && (priv->LastRetryRate<75)) -// if( (CurrRetryRate<90) && (priv->LastRetryRate<95)) - { + } else if (priv->CurrentOperaRate == 2) { + /* 2For 1 Mbps */ + if ((CurrRetryRate < 70) && (priv->LastRetryRate < 75)) { bTryUp = true; } - //printk("case12---1M \n"); } - if(bTryUp && bTryDown) - printk("StaRateAdaptive87B(): Tx Rate tried upping and downing simultaneously!\n"); - - //1 Test Upgrading Tx Rate - // Sometimes the cause of the low throughput (high retry rate) is the compatibility between the AP and NIC. - // To test if the upper rate may cause lower retry rate, this mechanism randomly occurs to test upgrading tx rate. - if(!bTryUp && !bTryDown && (priv->TryupingCount == 0) && (priv->TryDownCountLowData == 0) - && priv->CurrentOperaRate != priv->ieee80211->current_network.HighestOperaRate && priv->FailTxRateCount < 2) - { - if(jiffies% (CurrRetryRate + 101) == 0) - { + if (bTryUp && bTryDown) + printk("StaRateAdaptive87B(): Tx Rate tried upping and downing simultaneously!\n"); + + /* 1 Test Upgrading Tx Rate + * Sometimes the cause of the low throughput (high retry rate) is the compatibility between the AP and NIC. + * To test if the upper rate may cause lower retry rate, this mechanism randomly occurs to test upgrading tx rate. + */ + if (!bTryUp && !bTryDown && (priv->TryupingCount == 0) && (priv->TryDownCountLowData == 0) + && priv->CurrentOperaRate != priv->ieee80211->current_network.HighestOperaRate && priv->FailTxRateCount < 2) { + if (jiffies % (CurrRetryRate + 101) == 0) { bTryUp = true; priv->bTryuping = true; - //printk("StaRateAdaptive87SE(): Randomly try upgrading...\n"); } } - //1 Rate Mechanism - if(bTryUp) - { + /* 1 Rate Mechanism */ + if (bTryUp) { priv->TryupingCount++; priv->TryDownCountLowData = 0; - { -// printk("UP: pHalData->TryupingCount = %d\n", priv->TryupingCount); -// printk("UP: TryUpTh(%d)+ (FailTxRateCount(%d))^2 =%d\n", -// TryUpTh, priv->FailTxRateCount, (TryUpTh + priv->FailTxRateCount * priv->FailTxRateCount) ); -// printk("UP: pHalData->bTryuping=%d\n", priv->bTryuping); - - } + /* + * Check more times if we need to upgrade indeed. + * Because the largest value of pHalData->TryupingCount is 0xFFFF and + * the largest value of pHalData->FailTxRateCount is 0x14, + * this condition will be satisfied at most every 2 min. + */ - // - // Check more times if we need to upgrade indeed. - // Because the largest value of pHalData->TryupingCount is 0xFFFF and - // the largest value of pHalData->FailTxRateCount is 0x14, - // this condition will be satisfied at most every 2 min. - // - - if((priv->TryupingCount > (TryUpTh + priv->FailTxRateCount * priv->FailTxRateCount)) || - (CurrSignalStrength > priv->LastFailTxRateSS) || priv->bTryuping) - { + if ((priv->TryupingCount > (TryUpTh + priv->FailTxRateCount * priv->FailTxRateCount)) || + (CurrSignalStrength > priv->LastFailTxRateSS) || priv->bTryuping) { priv->TryupingCount = 0; - // - // When transferring from CCK to OFDM, DIG is an important issue. - // - if(priv->CurrentOperaRate == 22) + /* + * When transferring from CCK to OFDM, DIG is an important issue. + */ + if (priv->CurrentOperaRate == 22) bUpdateInitialGain = true; - // The difference in throughput between 48Mbps and 36Mbps is 8M. - // So, we must be carefully in this rate scale. Isaiah 2008-02-15. - // - if( ((priv->CurrentOperaRate == 72) || (priv->CurrentOperaRate == 48) || (priv->CurrentOperaRate == 36)) && - (priv->FailTxRateCount > 2) ) - priv->RateAdaptivePeriod= (RATE_ADAPTIVE_TIMER_PERIOD/2); + /* + * The difference in throughput between 48Mbps and 36Mbps is 8M. + * So, we must be carefully in this rate scale. Isaiah 2008-02-15. + */ + if (((priv->CurrentOperaRate == 72) || (priv->CurrentOperaRate == 48) || (priv->CurrentOperaRate == 36)) && + (priv->FailTxRateCount > 2)) + priv->RateAdaptivePeriod = (RATE_ADAPTIVE_TIMER_PERIOD / 2); - // (1)To avoid upgrade frequently to the fail tx rate, add the FailTxRateCount into the threshold. - // (2)If the signal strength is increased, it may be able to upgrade. + /* (1)To avoid upgrade frequently to the fail tx rate, add the FailTxRateCount into the threshold. */ + /* (2)If the signal strength is increased, it may be able to upgrade. */ priv->CurrentOperaRate = GetUpgradeTxRate(dev, priv->CurrentOperaRate); -// printk("StaRateAdaptive87SE(): Upgrade Tx Rate to %d\n", priv->CurrentOperaRate); - - //[TRC Dell Lab] Bypass 12/9/6, Isaiah 2008-02-18 20:00 - if(priv->CurrentOperaRate ==36) - { - priv->bUpdateARFR=true; - write_nic_word(dev, ARFR, 0x0F8F); //bypass 12/9/6 -// printk("UP: ARFR=0xF8F\n"); - } - else if(priv->bUpdateARFR) - { - priv->bUpdateARFR=false; - write_nic_word(dev, ARFR, 0x0FFF); //set 1M ~ 54Mbps. -// printk("UP: ARFR=0xFFF\n"); + + if (priv->CurrentOperaRate == 36) { + priv->bUpdateARFR = true; + write_nic_word(dev, ARFR, 0x0F8F); /* bypass 12/9/6 */ + } else if(priv->bUpdateARFR) { + priv->bUpdateARFR = false; + write_nic_word(dev, ARFR, 0x0FFF); /* set 1M ~ 54Mbps. */ } - // Update Fail Tx rate and count. - if(priv->LastFailTxRate != priv->CurrentOperaRate) - { + /* Update Fail Tx rate and count. */ + if (priv->LastFailTxRate != priv->CurrentOperaRate) { priv->LastFailTxRate = priv->CurrentOperaRate; priv->FailTxRateCount = 0; - priv->LastFailTxRateSS = -200; // Set lowest power. + priv->LastFailTxRateSS = -200; /* Set lowest power. */ } } - } - else - { - if(priv->TryupingCount > 0) + } else { + if (priv->TryupingCount > 0) priv->TryupingCount --; } - if(bTryDown) - { + if (bTryDown) { priv->TryDownCountLowData++; priv->TryupingCount = 0; - { -// printk("DN: pHalData->TryDownCountLowData = %d\n",priv->TryDownCountLowData); -// printk("DN: TryDownTh =%d\n", TryDownTh); -// printk("DN: pHalData->bTryuping=%d\n", priv->bTryuping); - } - //Check if Tx rate can be degraded or Test trying upgrading should fallback. - if(priv->TryDownCountLowData > TryDownTh || priv->bTryuping) - { + /* Check if Tx rate can be degraded or Test trying upgrading should fallback. */ + if (priv->TryDownCountLowData > TryDownTh || priv->bTryuping) { priv->TryDownCountLowData = 0; priv->bTryuping = false; - // Update fail information. - if(priv->LastFailTxRate == priv->CurrentOperaRate) - { - priv->FailTxRateCount ++; - // Record the Tx fail rate signal strength. - if(CurrSignalStrength > priv->LastFailTxRateSS) - { + /* Update fail information. */ + if (priv->LastFailTxRate == priv->CurrentOperaRate) { + priv->FailTxRateCount++; + /* Record the Tx fail rate signal strength. */ + if (CurrSignalStrength > priv->LastFailTxRateSS) priv->LastFailTxRateSS = CurrSignalStrength; - } - } - else - { + } else { priv->LastFailTxRate = priv->CurrentOperaRate; priv->FailTxRateCount = 1; priv->LastFailTxRateSS = CurrSignalStrength; } priv->CurrentOperaRate = GetDegradeTxRate(dev, priv->CurrentOperaRate); - // Reduce chariot training time at weak signal strength situation. SD3 ED demand. - //[TRC Dell Lab] Revise Signal Threshold from -75 to -80 , Isaiah 2008-02-18 20:00 - if( (CurrSignalStrength < -80) && (priv->CurrentOperaRate > 72 )) - { + /* Reduce chariot training time at weak signal strength situation. SD3 ED demand. */ + if ((CurrSignalStrength < -80) && (priv->CurrentOperaRate > 72 )) { priv->CurrentOperaRate = 72; -// printk("DN: weak signal strength (%d), degrade to 36Mbps\n", CurrSignalStrength); } - //[TRC Dell Lab] Bypass 12/9/6, Isaiah 2008-02-18 20:00 - if(priv->CurrentOperaRate ==36) - { - priv->bUpdateARFR=true; - write_nic_word(dev, ARFR, 0x0F8F); //bypass 12/9/6 -// printk("DN: ARFR=0xF8F\n"); - } - else if(priv->bUpdateARFR) - { - priv->bUpdateARFR=false; - write_nic_word(dev, ARFR, 0x0FFF); //set 1M ~ 54Mbps. -// printk("DN: ARFR=0xFFF\n"); + if (priv->CurrentOperaRate == 36) { + priv->bUpdateARFR = true; + write_nic_word(dev, ARFR, 0x0F8F); /* bypass 12/9/6 */ + } else if (priv->bUpdateARFR) { + priv->bUpdateARFR = false; + write_nic_word(dev, ARFR, 0x0FFF); /* set 1M ~ 54Mbps. */ } - // - // When it is CCK rate, it may need to update initial gain to receive lower power packets. - // - if(MgntIsCckRate(priv->CurrentOperaRate)) - { + /* + * When it is CCK rate, it may need to update initial gain to receive lower power packets. + */ + if (MgntIsCckRate(priv->CurrentOperaRate)) { bUpdateInitialGain = true; } -// printk("StaRateAdaptive87SE(): Degrade Tx Rate to %d\n", priv->CurrentOperaRate); } - } - else - { - if(priv->TryDownCountLowData > 0) - priv->TryDownCountLowData --; + } else { + if (priv->TryDownCountLowData > 0) + priv->TryDownCountLowData--; } - // Keep the Tx fail rate count to equal to 0x15 at most. - // Reduce the fail count at least to 10 sec if tx rate is tending stable. - if(priv->FailTxRateCount >= 0x15 || - (!bTryUp && !bTryDown && priv->TryDownCountLowData == 0 && priv->TryupingCount && priv->FailTxRateCount > 0x6)) - { - priv->FailTxRateCount --; + /* + * Keep the Tx fail rate count to equal to 0x15 at most. + * Reduce the fail count at least to 10 sec if tx rate is tending stable. + */ + if (priv->FailTxRateCount >= 0x15 || + (!bTryUp && !bTryDown && priv->TryDownCountLowData == 0 && priv->TryupingCount && priv->FailTxRateCount > 0x6)) { + priv->FailTxRateCount--; } OfdmTxPwrIdx = priv->chtxpwr_ofdm[priv->ieee80211->current_network.channel]; CckTxPwrIdx = priv->chtxpwr[priv->ieee80211->current_network.channel]; - //[TRC Dell Lab] Mac0x9e increase 2 level in 36M~18M situation, Isaiah 2008-02-18 24:00 - if((priv->CurrentOperaRate < 96) &&(priv->CurrentOperaRate > 22)) - { + /* Mac0x9e increase 2 level in 36M~18M situation */ + if ((priv->CurrentOperaRate < 96) && (priv->CurrentOperaRate > 22)) { u1bCck = read_nic_byte(dev, CCK_TXAGC); u1bOfdm = read_nic_byte(dev, OFDM_TXAGC); - // case 1: Never enter High power - if(u1bCck == CckTxPwrIdx ) - { - if(u1bOfdm != (OfdmTxPwrIdx+2) ) - { - priv->bEnhanceTxPwr= true; - u1bOfdm = ((u1bOfdm+2) > 35) ? 35: (u1bOfdm+2); + /* case 1: Never enter High power */ + if (u1bCck == CckTxPwrIdx) { + if (u1bOfdm != (OfdmTxPwrIdx + 2)) { + priv->bEnhanceTxPwr = true; + u1bOfdm = ((u1bOfdm + 2) > 35) ? 35: (u1bOfdm + 2); write_nic_byte(dev, OFDM_TXAGC, u1bOfdm); -// printk("Enhance OFDM_TXAGC : +++++ u1bOfdm= 0x%x\n", u1bOfdm); } - } - // case 2: enter high power - else if(u1bCck < CckTxPwrIdx) - { - if(!priv->bEnhanceTxPwr) - { - priv->bEnhanceTxPwr= true; - u1bOfdm = ((u1bOfdm+2) > 35) ? 35: (u1bOfdm+2); + } else if (u1bCck < CckTxPwrIdx) { + /* case 2: enter high power */ + if (!priv->bEnhanceTxPwr) { + priv->bEnhanceTxPwr = true; + u1bOfdm = ((u1bOfdm + 2) > 35) ? 35: (u1bOfdm + 2); write_nic_byte(dev, OFDM_TXAGC, u1bOfdm); - //RT_TRACE(COMP_RATE, DBG_TRACE, ("Enhance OFDM_TXAGC(2) : +++++ u1bOfdm= 0x%x\n", u1bOfdm)); } } - } - else if(priv->bEnhanceTxPwr) //54/48/11/5.5/2/1 - { + } else if (priv->bEnhanceTxPwr) { /* 54/48/11/5.5/2/1 */ u1bCck = read_nic_byte(dev, CCK_TXAGC); u1bOfdm = read_nic_byte(dev, OFDM_TXAGC); - // case 1: Never enter High power - if(u1bCck == CckTxPwrIdx ) - { - priv->bEnhanceTxPwr= false; - write_nic_byte(dev, OFDM_TXAGC, OfdmTxPwrIdx); - //printk("Recover OFDM_TXAGC : ===== u1bOfdm= 0x%x\n", OfdmTxPwrIdx); + /* case 1: Never enter High power */ + if (u1bCck == CckTxPwrIdx) { + priv->bEnhanceTxPwr = false; + write_nic_byte(dev, OFDM_TXAGC, OfdmTxPwrIdx); } - // case 2: enter high power - else if(u1bCck < CckTxPwrIdx) - { - priv->bEnhanceTxPwr= false; - u1bOfdm = ((u1bOfdm-2) > 0) ? (u1bOfdm-2): 0; + /* case 2: enter high power */ + else if (u1bCck < CckTxPwrIdx) { + priv->bEnhanceTxPwr = false; + u1bOfdm = ((u1bOfdm - 2) > 0) ? (u1bOfdm - 2): 0; write_nic_byte(dev, OFDM_TXAGC, u1bOfdm); - //RT_TRACE(COMP_RATE, DBG_TRACE, ("Recover OFDM_TXAGC(2): ===== u1bOfdm= 0x%x\n", u1bOfdm)); - } } - // - // We need update initial gain when we set tx rate "from OFDM to CCK" or - // "from CCK to OFDM". - // + /* + * We need update initial gain when we set tx rate "from OFDM to CCK" or + * "from CCK to OFDM". + */ SetInitialGain: - if(bUpdateInitialGain) - { - if(MgntIsCckRate(priv->CurrentOperaRate)) // CCK - { - if(priv->InitialGain > priv->RegBModeGainStage) - { - priv->InitialGainBackUp= priv->InitialGain; - - if(CurrSignalStrength < -85) // Low power, OFDM [0x17] = 26. - { - //SD3 SYs suggest that CurrSignalStrength < -65, ofdm 0x17=26. + if (bUpdateInitialGain) { + if (MgntIsCckRate(priv->CurrentOperaRate)) { /* CCK */ + if (priv->InitialGain > priv->RegBModeGainStage) { + priv->InitialGainBackUp = priv->InitialGain; + + if (CurrSignalStrength < -85) /* Low power, OFDM [0x17] = 26. */ + /* SD3 SYs suggest that CurrSignalStrength < -65, ofdm 0x17=26. */ priv->InitialGain = priv->RegBModeGainStage; - } - else if(priv->InitialGain > priv->RegBModeGainStage + 1) - { + + else if (priv->InitialGain > priv->RegBModeGainStage + 1) priv->InitialGain -= 2; - } + else - { - priv->InitialGain --; - } + priv->InitialGain--; + printk("StaRateAdaptive87SE(): update init_gain to index %d for date rate %d\n",priv->InitialGain, priv->CurrentOperaRate); UpdateInitialGain(dev); } - } - else // OFDM - { - if(priv->InitialGain < 4) - { - priv->InitialGainBackUp= priv->InitialGain; + } else { /* OFDM */ + if (priv->InitialGain < 4) { + priv->InitialGainBackUp = priv->InitialGain; - priv->InitialGain ++; + priv->InitialGain++; printk("StaRateAdaptive87SE(): update init_gain to index %d for date rate %d\n",priv->InitialGain, priv->CurrentOperaRate); UpdateInitialGain(dev); } } } - //Record the related info + /* Record the related info */ priv->LastRetryRate = CurrRetryRate; priv->LastTxThroughput = TxThroughput; priv->ieee80211->rate = priv->CurrentOperaRate * 5; } -void rtl8180_rate_adapter(struct work_struct * work) +void rtl8180_rate_adapter(struct work_struct *work) { struct delayed_work *dwork = to_delayed_work(work); - struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,rate_adapter_wq); - struct net_device *dev = ieee->dev; - //struct r8180_priv *priv = ieee80211_priv(dev); -// DMESG("---->rtl8180_rate_adapter"); - StaRateAdaptive87SE(dev); -// DMESG("<----rtl8180_rate_adapter"); + struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, rate_adapter_wq); + struct net_device *dev = ieee->dev; + StaRateAdaptive87SE(dev); } void timer_rate_adaptive(unsigned long data) { - struct r8180_priv* priv = ieee80211_priv((struct net_device *)data); - //DMESG("---->timer_rate_adaptive()\n"); - if(!priv->up) - { -// DMESG("<----timer_rate_adaptive():driver is not up!\n"); + struct r8180_priv *priv = ieee80211_priv((struct net_device *)data); + if (!priv->up) { return; } - if((priv->ieee80211->iw_mode != IW_MODE_MASTER) + if ((priv->ieee80211->iw_mode != IW_MODE_MASTER) && (priv->ieee80211->state == IEEE80211_LINKED) && - (priv->ForcedDataRate == 0) ) - { -// DMESG("timer_rate_adaptive():schedule rate_adapter_wq\n"); + (priv->ForcedDataRate == 0)) { queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->rate_adapter_wq); -// StaRateAdaptive87SE((struct net_device *)data); } priv->rateadapter_timer.expires = jiffies + MSECS(priv->RateAdaptivePeriod); add_timer(&priv->rateadapter_timer); - //DMESG("<----timer_rate_adaptive()\n"); } -//by amy 080312} -void -SwAntennaDiversityRxOk8185( - struct net_device *dev, - u8 SignalStrength - ) + +void SwAntennaDiversityRxOk8185(struct net_device *dev, u8 SignalStrength) { struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); -// printk("+SwAntennaDiversityRxOk8185: RxSs: %d\n", SignalStrength); - priv->AdRxOkCnt++; - if( priv->AdRxSignalStrength != -1) - { - priv->AdRxSignalStrength = ((priv->AdRxSignalStrength*7) + (SignalStrength*3)) / 10; - } - else - { // Initialization case. + if (priv->AdRxSignalStrength != -1) { + priv->AdRxSignalStrength = ((priv->AdRxSignalStrength * 7) + (SignalStrength * 3)) / 10; + } else { /* Initialization case. */ priv->AdRxSignalStrength = SignalStrength; } -//{+by amy 080312 - if( priv->LastRxPktAntenna ) //Main antenna. + + if (priv->LastRxPktAntenna) /* Main antenna. */ priv->AdMainAntennaRxOkCnt++; - else // Aux antenna. + else /* Aux antenna. */ priv->AdAuxAntennaRxOkCnt++; -//+by amy 080312 -// printk("-SwAntennaDiversityRxOk8185: AdRxOkCnt: %d AdRxSignalStrength: %d\n", priv->AdRxOkCnt, priv->AdRxSignalStrength); } -// -// Description: -// Change Antenna Switch. -// -bool -SetAntenna8185( - struct net_device *dev, - u8 u1bAntennaIndex - ) + /* Change Antenna Switch. */ +bool SetAntenna8185(struct net_device *dev, u8 u1bAntennaIndex) { struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); bool bAntennaSwitched = false; -// printk("+SetAntenna8185(): Antenna is switching to: %d \n", u1bAntennaIndex); - - switch(u1bAntennaIndex) - { + switch (u1bAntennaIndex) { case 0: /* Mac register, main antenna */ write_nic_byte(dev, ANTSEL, 0x03); @@ -1319,64 +944,35 @@ SetAntenna8185( } if(bAntennaSwitched) - { priv->CurrAntennaIndex = u1bAntennaIndex; - } - -// printk("-SetAntenna8185(): return (%#X)\n", bAntennaSwitched); return bAntennaSwitched; } -// -// Description: -// Toggle Antenna switch. -// -bool -SwitchAntenna( - struct net_device *dev - ) + /* Toggle Antenna switch. */ +bool SwitchAntenna(struct net_device *dev) { struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); bool bResult; - if(priv->CurrAntennaIndex == 0) - { - bResult = SetAntenna8185(dev, 1); -//by amy 080312 -// printk("SwitchAntenna(): switching to antenna 1 ......\n"); -// bResult = SetAntenna8185(dev, 1);//-by amy 080312 - } - else - { - bResult = SetAntenna8185(dev, 0); -//by amy 080312 -// printk("SwitchAntenna(): switching to antenna 0 ......\n"); -// bResult = SetAntenna8185(dev, 0);//-by amy 080312 + if (priv->CurrAntennaIndex == 0) { + bResult = SetAntenna8185(dev, 1); + } else { + bResult = SetAntenna8185(dev, 0); } return bResult; } -// -// Description: -// Engine of SW Antenna Diversity mechanism. -// Since 8187 has no Tx part information, -// this implementation is only dependend on Rx part information. -// -// 2006.04.17, by rcnjko. -// -void -SwAntennaDiversity( - struct net_device *dev - ) +/* + * Engine of SW Antenna Diversity mechanism. + * Since 8187 has no Tx part information, + * this implementation is only dependend on Rx part information. + */ +void SwAntennaDiversity(struct net_device *dev) { struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); - bool bSwCheckSS=false; -// printk("+SwAntennaDiversity(): CurrAntennaIndex: %d\n", priv->CurrAntennaIndex); -// printk("AdTickCount is %d\n",priv->AdTickCount); -//by amy 080312 - if(bSwCheckSS) - { + bool bSwCheckSS = false; + if (bSwCheckSS) { priv->AdTickCount++; printk("(1) AdTickCount: %d, AdCheckPeriod: %d\n", @@ -1384,246 +980,162 @@ SwAntennaDiversity( printk("(2) AdRxSignalStrength: %ld, AdRxSsThreshold: %ld\n", priv->AdRxSignalStrength, priv->AdRxSsThreshold); } -// priv->AdTickCount++;//-by amy 080312 - - // Case 1. No Link. - if(priv->ieee80211->state != IEEE80211_LINKED) - { - // printk("SwAntennaDiversity(): Case 1. No Link.\n"); + /* Case 1. No Link. */ + if (priv->ieee80211->state != IEEE80211_LINKED) { priv->bAdSwitchedChecking = false; - // I switch antenna here to prevent any one of antenna is broken before link established, 2006.04.18, by rcnjko.. + /* I switch antenna here to prevent any one of antenna is broken before link established, 2006.04.18, by rcnjko.. */ SwitchAntenna(dev); - } - // Case 2. Linked but no packet received. - else if(priv->AdRxOkCnt == 0) - { - // printk("SwAntennaDiversity(): Case 2. Linked but no packet received.\n"); + /* Case 2. Linked but no packet receive.d */ + } else if (priv->AdRxOkCnt == 0) { priv->bAdSwitchedChecking = false; SwitchAntenna(dev); - } - // Case 3. Evaluate last antenna switch action and undo it if necessary. - else if(priv->bAdSwitchedChecking == true) - { - // printk("SwAntennaDiversity(): Case 3. Evaluate last antenna switch action.\n"); + /* Case 3. Evaluate last antenna switch action and undo it if necessary. */ + } else if (priv->bAdSwitchedChecking == true) { priv->bAdSwitchedChecking = false; - // Adjust Rx signal strength threshold. + /* Adjust Rx signal strength threshold. */ priv->AdRxSsThreshold = (priv->AdRxSignalStrength + priv->AdRxSsBeforeSwitched) / 2; priv->AdRxSsThreshold = (priv->AdRxSsThreshold > priv->AdMaxRxSsThreshold) ? priv->AdMaxRxSsThreshold: priv->AdRxSsThreshold; - if(priv->AdRxSignalStrength < priv->AdRxSsBeforeSwitched) - { // Rx signal strength is not improved after we swtiched antenna. => Swich back. -// printk("SwAntennaDiversity(): Rx Signal Strength is not improved, CurrRxSs: %d, LastRxSs: %d\n", -// priv->AdRxSignalStrength, priv->AdRxSsBeforeSwitched); -//by amy 080312 - // Increase Antenna Diversity checking period due to bad decision. + if(priv->AdRxSignalStrength < priv->AdRxSsBeforeSwitched) { + /* Rx signal strength is not improved after we swtiched antenna. => Swich back. */ + /* Increase Antenna Diversity checking period due to bad decision. */ priv->AdCheckPeriod *= 2; -//by amy 080312 - // Increase Antenna Diversity checking period. - if(priv->AdCheckPeriod > priv->AdMaxCheckPeriod) + /* Increase Antenna Diversity checking period. */ + if (priv->AdCheckPeriod > priv->AdMaxCheckPeriod) priv->AdCheckPeriod = priv->AdMaxCheckPeriod; - // Wrong deceision => switch back. + /* Wrong deceision => switch back. */ SwitchAntenna(dev); - } - else - { // Rx Signal Strength is improved. -// printk("SwAntennaDiversity(): Rx Signal Strength is improved, CurrRxSs: %d, LastRxSs: %d\n", -// priv->AdRxSignalStrength, priv->AdRxSsBeforeSwitched); + } else { + /* Rx Signal Strength is improved. */ - // Reset Antenna Diversity checking period to its min value. + /* Reset Antenna Diversity checking period to its min value. */ priv->AdCheckPeriod = priv->AdMinCheckPeriod; } -// printk("SwAntennaDiversity(): AdRxSsThreshold: %d, AdCheckPeriod: %d\n", -// priv->AdRxSsThreshold, priv->AdCheckPeriod); } - // Case 4. Evaluate if we shall switch antenna now. - // Cause Table Speed is very fast in TRC Dell Lab, we check it every time. - else// if(priv->AdTickCount >= priv->AdCheckPeriod)//-by amy 080312 - { -// printk("SwAntennaDiversity(): Case 4. Evaluate if we shall switch antenna now.\n"); - + /* Case 4. Evaluate if we shall switch antenna now. */ + /* Cause Table Speed is very fast in TRC Dell Lab, we check it every time. */ + else { priv->AdTickCount = 0; - // - // <Roger_Notes> We evaluate RxOk counts for each antenna first and than - // evaluate signal strength. - // The following operation can overcome the disability of CCA on both two antennas - // When signal strength was extremely low or high. - // 2008.01.30. - // - - // - // Evaluate RxOk count from each antenna if we shall switch default antenna now. - // Added by Roger, 2008.02.21. -//{by amy 080312 - if((priv->AdMainAntennaRxOkCnt < priv->AdAuxAntennaRxOkCnt) - && (priv->CurrAntennaIndex == 0)) - { // We set Main antenna as default but RxOk count was less than Aux ones. - - // printk("SwAntennaDiversity(): Main antenna RxOK is poor, AdMainAntennaRxOkCnt: %d, AdAuxAntennaRxOkCnt: %d\n", - // priv->AdMainAntennaRxOkCnt, priv->AdAuxAntennaRxOkCnt); - - // Switch to Aux antenna. + /* + * <Roger_Notes> We evaluate RxOk counts for each antenna first and than + * evaluate signal strength. + * The following operation can overcome the disability of CCA on both two antennas + * When signal strength was extremely low or high. + * 2008.01.30. + */ + + /* + * Evaluate RxOk count from each antenna if we shall switch default antenna now. + */ + if ((priv->AdMainAntennaRxOkCnt < priv->AdAuxAntennaRxOkCnt) + && (priv->CurrAntennaIndex == 0)) { + /* We set Main antenna as default but RxOk count was less than Aux ones. */ + + /* Switch to Aux antenna. */ SwitchAntenna(dev); priv->bHWAdSwitched = true; - } - else if((priv->AdAuxAntennaRxOkCnt < priv->AdMainAntennaRxOkCnt) - && (priv->CurrAntennaIndex == 1)) - { // We set Aux antenna as default but RxOk count was less than Main ones. + } else if ((priv->AdAuxAntennaRxOkCnt < priv->AdMainAntennaRxOkCnt) + && (priv->CurrAntennaIndex == 1)) { + /* We set Aux antenna as default but RxOk count was less than Main ones. */ - // printk("SwAntennaDiversity(): Aux antenna RxOK is poor, AdMainAntennaRxOkCnt: %d, AdAuxAntennaRxOkCnt: %d\n", - // priv->AdMainAntennaRxOkCnt, priv->AdAuxAntennaRxOkCnt); - - // Switch to Main antenna. + /* Switch to Main antenna. */ SwitchAntenna(dev); priv->bHWAdSwitched = true; - } - else - {// Default antenna is better. + } else { + /* Default antenna is better. */ - // printk("SwAntennaDiversity(): Default antenna is better., AdMainAntennaRxOkCnt: %d, AdAuxAntennaRxOkCnt: %d\n", - // priv->AdMainAntennaRxOkCnt, priv->AdAuxAntennaRxOkCnt); - - // Still need to check current signal strength. + /* Still need to check current signal strength. */ priv->bHWAdSwitched = false; } - // - // <Roger_Notes> We evaluate Rx signal strength ONLY when default antenna - // didn't changed by HW evaluation. - // 2008.02.27. - // - // [TRC Dell Lab] SignalStrength is inaccuracy. Isaiah 2008-03-05 - // For example, Throughput of aux is better than main antenna(about 10M v.s 2M), - // but AdRxSignalStrength is less than main. - // Our guess is that main antenna have lower throughput and get many change - // to receive more CCK packets(ex.Beacon) which have stronger SignalStrength. - // - if( (!priv->bHWAdSwitched) && (bSwCheckSS)) - { -//by amy 080312} - // Evaluate Rx signal strength if we shall switch antenna now. - if(priv->AdRxSignalStrength < priv->AdRxSsThreshold) - { // Rx signal strength is weak => Switch Antenna. -// printk("SwAntennaDiversity(): Rx Signal Strength is weak, CurrRxSs: %d, RxSsThreshold: %d\n", -// priv->AdRxSignalStrength, priv->AdRxSsThreshold); - - priv->AdRxSsBeforeSwitched = priv->AdRxSignalStrength; - priv->bAdSwitchedChecking = true; - - SwitchAntenna(dev); - } - else - { // Rx signal strength is OK. -// printk("SwAntennaDiversity(): Rx Signal Strength is OK, CurrRxSs: %d, RxSsThreshold: %d\n", -// priv->AdRxSignalStrength, priv->AdRxSsThreshold); - - priv->bAdSwitchedChecking = false; - // Increase Rx signal strength threshold if necessary. - if( (priv->AdRxSignalStrength > (priv->AdRxSsThreshold + 10)) && // Signal is much stronger than current threshold - priv->AdRxSsThreshold <= priv->AdMaxRxSsThreshold) // Current threhold is not yet reach upper limit. - { - priv->AdRxSsThreshold = (priv->AdRxSsThreshold + priv->AdRxSignalStrength) / 2; - priv->AdRxSsThreshold = (priv->AdRxSsThreshold > priv->AdMaxRxSsThreshold) ? - priv->AdMaxRxSsThreshold: priv->AdRxSsThreshold;//+by amy 080312 - } + /* + * <Roger_Notes> We evaluate Rx signal strength ONLY when default antenna + * didn't changed by HW evaluation. + * 2008.02.27. + * + * [TRC Dell Lab] SignalStrength is inaccuracy. Isaiah 2008-03-05 + * For example, Throughput of aux is better than main antenna(about 10M v.s 2M), + * but AdRxSignalStrength is less than main. + * Our guess is that main antenna have lower throughput and get many change + * to receive more CCK packets(ex.Beacon) which have stronger SignalStrength. + */ + if ((!priv->bHWAdSwitched) && (bSwCheckSS)) { + /* Evaluate Rx signal strength if we shall switch antenna now. */ + if (priv->AdRxSignalStrength < priv->AdRxSsThreshold) { + /* Rx signal strength is weak => Switch Antenna. */ + priv->AdRxSsBeforeSwitched = priv->AdRxSignalStrength; + priv->bAdSwitchedChecking = true; + + SwitchAntenna(dev); + } else { + /* Rx signal strength is OK. */ + priv->bAdSwitchedChecking = false; + /* Increase Rx signal strength threshold if necessary. */ + if ((priv->AdRxSignalStrength > (priv->AdRxSsThreshold + 10)) && /* Signal is much stronger than current threshold */ + priv->AdRxSsThreshold <= priv->AdMaxRxSsThreshold) { /* Current threhold is not yet reach upper limit. */ + + priv->AdRxSsThreshold = (priv->AdRxSsThreshold + priv->AdRxSignalStrength) / 2; + priv->AdRxSsThreshold = (priv->AdRxSsThreshold > priv->AdMaxRxSsThreshold) ? + priv->AdMaxRxSsThreshold: priv->AdRxSsThreshold;/* +by amy 080312 */ + } - // Reduce Antenna Diversity checking period if possible. - if( priv->AdCheckPeriod > priv->AdMinCheckPeriod ) - { - priv->AdCheckPeriod /= 2; + /* Reduce Antenna Diversity checking period if possible. */ + if (priv->AdCheckPeriod > priv->AdMinCheckPeriod) + priv->AdCheckPeriod /= 2; } } - } } -//by amy 080312 - // Reset antenna diversity Rx related statistics. + /* Reset antenna diversity Rx related statistics. */ priv->AdRxOkCnt = 0; priv->AdMainAntennaRxOkCnt = 0; priv->AdAuxAntennaRxOkCnt = 0; -//by amy 080312 - -// priv->AdRxOkCnt = 0;//-by amy 080312 - -// printk("-SwAntennaDiversity()\n"); } -// -// Description: -// Return TRUE if we shall perform Tx Power Tracking Mecahnism, FALSE otherwise. -// -bool -CheckTxPwrTracking( struct net_device *dev) + /* Return TRUE if we shall perform Tx Power Tracking Mecahnism, FALSE otherwise. */ +bool CheckTxPwrTracking(struct net_device *dev) { struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); - if(!priv->bTxPowerTrack) - { + if (!priv->bTxPowerTrack) return false; - } -//lzm reserved 080826 - //if(priv->bScanInProgress) - //{ - // return false; - //} - - //if 87SE is in High Power , don't do Tx Power Tracking. asked by SD3 ED. 2008-08-08 Isaiah - if(priv->bToUpdateTxPwr) - { + /* if 87SE is in High Power , don't do Tx Power Tracking. asked by SD3 ED. 2008-08-08 Isaiah */ + if (priv->bToUpdateTxPwr) return false; - } return true; } -// -// Description: -// Timer callback function of SW Antenna Diversity. -// -void -SwAntennaDiversityTimerCallback( - struct net_device *dev - ) + /* Timer callback function of SW Antenna Diversity. */ +void SwAntennaDiversityTimerCallback(struct net_device *dev) { struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); RT_RF_POWER_STATE rtState; - //printk("+SwAntennaDiversityTimerCallback()\n"); - - // - // We do NOT need to switch antenna while RF is off. - // 2007.05.09, added by Roger. - // + /* We do NOT need to switch antenna while RF is off. */ rtState = priv->eRFPowerState; - do{ - if (rtState == eRfOff) - { -// printk("SwAntennaDiversityTimer - RF is OFF.\n"); + do { + if (rtState == eRfOff) { break; - } - else if (rtState == eRfSleep) - { - // Don't access BB/RF under Disable PLL situation. - //RT_TRACE((COMP_RF|COMP_ANTENNA), DBG_LOUD, ("SwAntennaDiversityTimerCallback(): RF is Sleep => skip it\n")); + } else if (rtState == eRfSleep) { + /* Don't access BB/RF under Disable PLL situation. */ break; } SwAntennaDiversity(dev); - }while(false); + } while (false); - if(priv->up) - { + if (priv->up) { priv->SwAntennaDiversityTimer.expires = jiffies + MSECS(ANTENNA_DIVERSITY_TIMER_PERIOD); add_timer(&priv->SwAntennaDiversityTimer); } - - //printk("-SwAntennaDiversityTimerCallback()\n"); } diff --git a/drivers/staging/rtl8187se/r8180_wx.c b/drivers/staging/rtl8187se/r8180_wx.c index 39ef7e0193f..303ec691262 100644 --- a/drivers/staging/rtl8187se/r8180_wx.c +++ b/drivers/staging/rtl8187se/r8180_wx.c @@ -23,24 +23,22 @@ #include "ieee80211/dot11d.h" -/* #define RATE_COUNT 4 */ u32 rtl8180_rates[] = {1000000, 2000000, 5500000, 11000000, 6000000, 9000000, 12000000, 18000000, 24000000, 36000000, 48000000, 54000000}; #define RATE_COUNT ARRAY_SIZE(rtl8180_rates) static CHANNEL_LIST DefaultChannelPlan[] = { -/* {{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14}, */ /*Default channel plan */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64}, 19}, /*FCC */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11}, /*IC */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, /*ETSI */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, /*Spain. Change to ETSI. */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, /*France. Change to ETSI. */ - {{14, 36, 40, 44, 48, 52, 56, 60, 64}, 9}, /*MKK */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},/*MKK1 */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, /*Israel. */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 34, 38, 42, 46}, 17}, /*For 11a , TELEC */ - {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14} /*For Global Domain. 1-11:active scan, 12-14 passive scan.*/ /* +YJ, 080626 */ + {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64}, 19}, /* FCC */ + {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11}, /* IC */ + {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, /* ETSI */ + {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, /* Spain. Change to ETSI. */ + {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, /* France. Change to ETSI. */ + {{14, 36, 40, 44, 48, 52, 56, 60, 64}, 9}, /* MKK */ + {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, /* MKK1 */ + {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, /* Israel */ + {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 34, 38, 42, 46}, 17}, /* For 11a , TELEC */ + {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14} /* For Global Domain. 1-11:active scan, 12-14 passive scan.*/ /* +YJ, 080626 */ }; static int r8180_wx_get_freq(struct net_device *dev, struct iw_request_info *a, @@ -63,14 +61,7 @@ int r8180_wx_set_key(struct net_device *dev, struct iw_request_info *info, if (erq->flags & IW_ENCODE_DISABLED) -/* i = erq->flags & IW_ENCODE_INDEX; - if (i < 1 || i > 4) -*/ - if (erq->length > 0) { - - /*int len = erq->length <= 5 ? 5 : 13; */ - u32* tkey = (u32*) key; priv->key0[0] = tkey[0]; priv->key0[1] = tkey[1]; @@ -192,33 +183,32 @@ static int r8180_wx_set_mode(struct net_device *dev, struct iw_request_info *a, return 0; down(&priv->wx_sem); -/* printk("set mode ENABLE_IPS\n"); */ if (priv->bInactivePs) { if (wrqu->mode == IW_MODE_ADHOC) IPSLeave(dev); } ret = ieee80211_wx_set_mode(priv->ieee80211, a, wrqu, b); -/* rtl8180_commit(dev); */ - up(&priv->wx_sem); return ret; } /* YJ,add,080819,for hidden ap */ struct iw_range_with_scan_capa { - /* Informative stuff (to choose between different interface) */ - __u32 throughput; /* To give an idea... */ + /* Informative stuff (to choose between different interface) */ + + __u32 throughput; /* To give an idea... */ + /* In theory this value should be the maximum benchmarked - * TCP/IP throughput, because with most of these devices the - * bit rate is meaningless (overhead an co) to estimate how - * fast the connection will go and pick the fastest one. - * I suggest people to play with Netperf or any benchmark... - */ + * TCP/IP throughput, because with most of these devices the + * bit rate is meaningless (overhead an co) to estimate how + * fast the connection will go and pick the fastest one. + * I suggest people to play with Netperf or any benchmark... + */ /* NWID (or domain id) */ - __u32 min_nwid; /* Minimal NWID we are able to set */ - __u32 max_nwid; /* Maximal NWID we are able to set */ + __u32 min_nwid; /* Minimal NWID we are able to set */ + __u32 max_nwid; /* Maximal NWID we are able to set */ /* Old Frequency (backward compat - moved lower ) */ __u16 old_num_channels; @@ -238,7 +228,6 @@ static int rtl8180_wx_get_range(struct net_device *dev, struct r8180_priv *priv = ieee80211_priv(dev); u16 val; int i; - /*struct iw_range_with_scan_capa* tmp = (struct iw_range_with_scan_capa*)range; */ /*YJ,add,080819,for hidden ap */ wrqu->data.length = sizeof(*range); memset(range, 0, sizeof(*range)); @@ -291,14 +280,6 @@ static int rtl8180_wx_get_range(struct net_device *dev, range->we_version_compiled = WIRELESS_EXT; range->we_version_source = 16; -/* range->retry_capa; */ /* What retry options are supported */ -/* range->retry_flags; */ /* How to decode max/min retry limit */ -/* range->r_time_flags;*/ /* How to decode max/min retry life */ -/* range->min_retry; */ /* Minimal number of retries */ -/* range->max_retry; */ /* Maximal number of retries */ -/* range->min_r_time; */ /* Minimal retry lifetime */ -/* range->max_r_time; */ /* Maximal retry lifetime */ - range->num_channels = 14; for (i = 0, val = 0; i < 14; i++) { @@ -310,8 +291,8 @@ static int rtl8180_wx_get_range(struct net_device *dev, range->freq[val].e = 1; val++; } else { - /* FIXME: do we need to set anything for channels */ - /* we don't use ? */ + /* FIXME: do we need to set anything for channels */ + /* we don't use ? */ } if (val == IW_MAX_FREQUENCIES) @@ -322,8 +303,6 @@ static int rtl8180_wx_get_range(struct net_device *dev, range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; - /*tmp->scan_capa = 0x01; */ /*YJ,add,080819,for hidden ap */ - return 0; } @@ -339,50 +318,29 @@ static int r8180_wx_set_scan(struct net_device *dev, struct iw_request_info *a, if (priv->ieee80211->bHwRadioOff) return 0; -/*YJ,add,080819, for hidden ap */ - /*printk("==*&*&*&==>%s in\n", __func__); */ - /*printk("=*&*&*&*===>flag:%x, %x\n", wrqu->data.flags, IW_SCAN_THIS_ESSID); */ if (wrqu->data.flags & IW_SCAN_THIS_ESSID) { struct iw_scan_req* req = (struct iw_scan_req*)b; if (req->essid_len) { - /*printk("==**&*&*&**===>scan set ssid:%s\n", req->essid); */ ieee->current_network.ssid_len = req->essid_len; memcpy(ieee->current_network.ssid, req->essid, req->essid_len); - /*printk("=====>network ssid:%s\n", ieee->current_network.ssid); */ } } -/*YJ,add,080819, for hidden ap, end */ down(&priv->wx_sem); if (priv->up) { -/* printk("set scan ENABLE_IPS\n"); */ priv->ieee80211->actscanning = true; if (priv->bInactivePs && (priv->ieee80211->state != IEEE80211_LINKED)) { IPSLeave(dev); - /*down(&priv->ieee80211->wx_sem); */ -/* - if (priv->ieee80211->iw_mode == IW_MODE_MONITOR || !(priv->ieee80211->proto_started)){ - ret = -1; - up(&priv->ieee80211->wx_sem); - up(&priv->wx_sem); - return ret; - } -*/ - /* queue_work(priv->ieee80211->wq, &priv->ieee80211->wx_sync_scan_wq); */ - /* printk("start scan============================>\n"); */ ieee80211_softmac_ips_scan_syncro(priv->ieee80211); -/* ieee80211_rtl_start_scan(priv->ieee80211); */ - /* intentionally forget to up sem */ -/* up(&priv->ieee80211->wx_sem); */ ret = 0; } else { - /* YJ,add,080828, prevent scan in BusyTraffic */ + /* prevent scan in BusyTraffic */ /* FIXME: Need to consider last scan time */ if ((priv->link_detect.bBusyTraffic) && (true)) { ret = 0; printk("Now traffic is busy, please try later!\n"); } else - /* YJ,add,080828, prevent scan in BusyTraffic,end */ + /* prevent scan in BusyTraffic,end */ ret = ieee80211_wx_set_scan(priv->ieee80211, a, wrqu, b); } } else @@ -424,10 +382,8 @@ static int r8180_wx_set_essid(struct net_device *dev, return 0; down(&priv->wx_sem); - /* printk("set essid ENABLE_IPS\n"); */ if (priv->bInactivePs) IPSLeave(dev); -/* printk("haha:set essid %s essid_len = %d essid_flgs = %d\n",b, wrqu->essid.length, wrqu->essid.flags); */ ret = ieee80211_wx_set_essid(priv->ieee80211, a, wrqu, b); @@ -597,28 +553,6 @@ static int r8180_wx_set_scan_type(struct net_device *dev, struct iw_request_info return 1; } - -/* added by christian */ -/* -static int r8180_wx_set_monitor_type(struct net_device *dev, struct iw_request_info *aa, union - iwreq_data *wrqu, char *p){ - - struct r8180_priv *priv = ieee80211_priv(dev); - int *parms=(int*)p; - int mode=parms[0]; - - if(priv->ieee80211->iw_mode != IW_MODE_MONITOR) return -1; - priv->prism_hdr = mode; - if(!mode)dev->type=ARPHRD_IEEE80211; - else dev->type=ARPHRD_IEEE80211_PRISM; - DMESG("using %s RX encap", mode ? "AVS":"80211"); - return 0; - -} -*/ -/*of r8180_wx_set_monitor_type */ -/* end added christian */ - static int r8180_wx_set_retry(struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra) @@ -661,14 +595,6 @@ static int r8180_wx_set_retry(struct net_device *dev, */ rtl8180_commit(dev); - /* - if(priv->up){ - rtl8180_rtx_disable(dev); - rtl8180_rx_enable(dev); - rtl8180_tx_enable(dev); - - } - */ exit: up(&priv->wx_sem); @@ -695,8 +621,6 @@ static int r8180_wx_get_retry(struct net_device *dev, wrqu->retry.flags = IW_RETRY_LIMIT & IW_RETRY_MIN; wrqu->retry.value = priv->retry_data; } - /* DMESG("returning %d",wrqu->retry.value); */ - return 0; } @@ -726,7 +650,6 @@ static int r8180_wx_set_sens(struct net_device *dev, return 0; down(&priv->wx_sem); - /* DMESG("attempt to set sensivity to %ddb",wrqu->sens.value); */ if (priv->rf_set_sens == NULL) { err = -1; /* we have not this support for this radio */ goto exit; @@ -847,58 +770,6 @@ static int dummy(struct net_device *dev, struct iw_request_info *a, return -1; } -/* -static int r8180_wx_get_psmode(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - struct r8180_priv *priv = ieee80211_priv(dev); - struct ieee80211_device *ieee; - int ret = 0; - - - - down(&priv->wx_sem); - - if(priv) { - ieee = priv->ieee80211; - if(ieee->ps == IEEE80211_PS_DISABLED) { - *((unsigned int *)extra) = IEEE80211_PS_DISABLED; - goto exit; - } - *((unsigned int *)extra) = IW_POWER_TIMEOUT; - if (ieee->ps & IEEE80211_PS_MBCAST) - *((unsigned int *)extra) |= IW_POWER_ALL_R; - else - *((unsigned int *)extra) |= IW_POWER_UNICAST_R; - } else - ret = -1; -exit: - up(&priv->wx_sem); - - return ret; -} -static int r8180_wx_set_psmode(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - struct r8180_priv *priv = ieee80211_priv(dev); - //struct ieee80211_device *ieee; - int ret = 0; - - - - down(&priv->wx_sem); - - ret = ieee80211_wx_set_power(priv->ieee80211, info, wrqu, extra); - - up(&priv->wx_sem); - - return ret; - -} -*/ - static int r8180_wx_get_iwmode(struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra) @@ -964,7 +835,6 @@ static int r8180_wx_set_iwmode(struct net_device *dev, } else { ieee->mode = mode; ieee->modulation = modulation; -/* ieee80211_start_protocol(ieee); */ } up(&priv->wx_sem); @@ -1016,7 +886,6 @@ static int r8180_wx_get_siglevel(struct net_device *dev, union iwreq_data *wrqu, char *extra) { struct r8180_priv *priv = ieee80211_priv(dev); - /* struct ieee80211_network *network = &(priv->ieee80211->current_network); */ int ret = 0; @@ -1036,7 +905,6 @@ static int r8180_wx_get_sigqual(struct net_device *dev, union iwreq_data *wrqu, char *extra) { struct r8180_priv *priv = ieee80211_priv(dev); - /* struct ieee80211_network *network = &(priv->ieee80211->current_network); */ int ret = 0; @@ -1150,7 +1018,6 @@ static int r8180_wx_set_channelplan(struct net_device *dev, union iwreq_data *wrqu, char *extra) { struct r8180_priv *priv = ieee80211_priv(dev); - /* struct ieee80211_device *ieee = netdev_priv(dev); */ int *val = (int *)extra; int i; printk("-----in fun %s\n", __func__); @@ -1223,7 +1090,6 @@ static int r8180_wx_set_enc_ext(struct net_device *dev, { struct r8180_priv *priv = ieee80211_priv(dev); - /* printk("===>%s()\n", __func__); */ int ret = 0; @@ -1240,7 +1106,6 @@ static int r8180_wx_set_auth(struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra) { - /* printk("====>%s()\n", __func__); */ struct r8180_priv *priv = ieee80211_priv(dev); int ret = 0; @@ -1257,8 +1122,6 @@ static int r8180_wx_set_mlme(struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra) { - /* printk("====>%s()\n", __func__); */ - int ret = 0; struct r8180_priv *priv = ieee80211_priv(dev); @@ -1278,7 +1141,6 @@ static int r8180_wx_set_gen_ie(struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra) { -/* printk("====>%s(), len:%d\n", __func__, data->length); */ int ret = 0; struct r8180_priv *priv = ieee80211_priv(dev); @@ -1291,68 +1153,67 @@ static int r8180_wx_set_gen_ie(struct net_device *dev, ret = ieee80211_wx_set_gen_ie(priv->ieee80211, extra, wrqu->data.length); #endif up(&priv->wx_sem); - /* printk("<======%s(), ret:%d\n", __func__, ret); */ return ret; } static iw_handler r8180_wx_handlers[] = { - NULL, /* SIOCSIWCOMMIT */ + NULL, /* SIOCSIWCOMMIT */ r8180_wx_get_name, /* SIOCGIWNAME */ - dummy, /* SIOCSIWNWID */ - dummy, /* SIOCGIWNWID */ + dummy, /* SIOCSIWNWID */ + dummy, /* SIOCGIWNWID */ r8180_wx_set_freq, /* SIOCSIWFREQ */ r8180_wx_get_freq, /* SIOCGIWFREQ */ r8180_wx_set_mode, /* SIOCSIWMODE */ r8180_wx_get_mode, /* SIOCGIWMODE */ r8180_wx_set_sens, /* SIOCSIWSENS */ r8180_wx_get_sens, /* SIOCGIWSENS */ - NULL, /* SIOCSIWRANGE */ - rtl8180_wx_get_range, /* SIOCGIWRANGE */ - NULL, /* SIOCSIWPRIV */ - NULL, /* SIOCGIWPRIV */ - NULL, /* SIOCSIWSTATS */ - NULL, /* SIOCGIWSTATS */ - dummy, /* SIOCSIWSPY */ - dummy, /* SIOCGIWSPY */ - NULL, /* SIOCGIWTHRSPY */ - NULL, /* SIOCWIWTHRSPY */ + NULL, /* SIOCSIWRANGE */ + rtl8180_wx_get_range, /* SIOCGIWRANGE */ + NULL, /* SIOCSIWPRIV */ + NULL, /* SIOCGIWPRIV */ + NULL, /* SIOCSIWSTATS */ + NULL, /* SIOCGIWSTATS */ + dummy, /* SIOCSIWSPY */ + dummy, /* SIOCGIWSPY */ + NULL, /* SIOCGIWTHRSPY */ + NULL, /* SIOCWIWTHRSPY */ r8180_wx_set_wap, /* SIOCSIWAP */ r8180_wx_get_wap, /* SIOCGIWAP */ r8180_wx_set_mlme, /* SIOCSIWMLME*/ - dummy, /* SIOCGIWAPLIST -- depricated */ + dummy, /* SIOCGIWAPLIST -- depricated */ r8180_wx_set_scan, /* SIOCSIWSCAN */ r8180_wx_get_scan, /* SIOCGIWSCAN */ r8180_wx_set_essid, /* SIOCSIWESSID */ r8180_wx_get_essid, /* SIOCGIWESSID */ - dummy, /* SIOCSIWNICKN */ - dummy, /* SIOCGIWNICKN */ - NULL, /* -- hole -- */ - NULL, /* -- hole -- */ + dummy, /* SIOCSIWNICKN */ + dummy, /* SIOCGIWNICKN */ + NULL, /* -- hole -- */ + NULL, /* -- hole -- */ r8180_wx_set_rate, /* SIOCSIWRATE */ r8180_wx_get_rate, /* SIOCGIWRATE */ r8180_wx_set_rts, /* SIOCSIWRTS */ r8180_wx_get_rts, /* SIOCGIWRTS */ r8180_wx_set_frag, /* SIOCSIWFRAG */ r8180_wx_get_frag, /* SIOCGIWFRAG */ - dummy, /* SIOCSIWTXPOW */ - dummy, /* SIOCGIWTXPOW */ + dummy, /* SIOCSIWTXPOW */ + dummy, /* SIOCGIWTXPOW */ r8180_wx_set_retry, /* SIOCSIWRETRY */ r8180_wx_get_retry, /* SIOCGIWRETRY */ r8180_wx_set_enc, /* SIOCSIWENCODE */ r8180_wx_get_enc, /* SIOCGIWENCODE */ r8180_wx_set_power, /* SIOCSIWPOWER */ r8180_wx_get_power, /* SIOCGIWPOWER */ - NULL, /*---hole---*/ - NULL, /*---hole---*/ - r8180_wx_set_gen_ie, /* SIOCSIWGENIE */ - NULL, /* SIOCSIWGENIE */ + NULL, /*---hole---*/ + NULL, /*---hole---*/ + r8180_wx_set_gen_ie, /* SIOCSIWGENIE */ + NULL, /* SIOCSIWGENIE */ r8180_wx_set_auth, /* SIOCSIWAUTH */ - NULL, /* SIOCSIWAUTH */ - r8180_wx_set_enc_ext, /* SIOCSIWENCODEEXT */ - NULL, /* SIOCSIWENCODEEXT */ - NULL, /* SIOCSIWPMKSA */ - NULL, /*---hole---*/ + NULL, /* SIOCSIWAUTH */ + r8180_wx_set_enc_ext, /* SIOCSIWENCODEEXT */ + NULL, /* SIOCSIWENCODEEXT */ + NULL, /* SIOCSIWPMKSA */ + NULL, /*---hole---*/ }; @@ -1373,14 +1234,6 @@ static const struct iw_priv_args r8180_private_args[] = { 0, 0, "dummy" }, - /* added by christian */ - /* - { - SIOCIWFIRSTPRIV + 0x2, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "prismhdr" - }, - */ - /* end added by christian */ { SIOCIWFIRSTPRIV + 0x4, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "activescan" @@ -1399,18 +1252,6 @@ static const struct iw_priv_args r8180_private_args[] = { 0, 0, "dummy" }, -/* - { - SIOCIWFIRSTPRIV + 0x5, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpsmode" - }, - { - SIOCIWFIRSTPRIV + 0x6, - IW_PRIV_SIZE_FIXED, 0, "setpsmode" - }, -*/ -/* set/get mode have been realized in public handlers */ - { SIOCIWFIRSTPRIV + 0x8, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "setiwmode" @@ -1481,7 +1322,7 @@ static const struct iw_priv_args r8180_private_args[] = { static iw_handler r8180_private_handler[] = { - r8180_wx_set_crcmon, /*SIOCIWSECONDPRIV*/ + r8180_wx_set_crcmon, /*SIOCIWSECONDPRIV*/ dummy, r8180_wx_set_beaconinterval, dummy, @@ -1513,16 +1354,15 @@ static inline int is_same_network(struct ieee80211_network *src, struct ieee80211_network *dst, struct ieee80211_device *ieee) { - /* A network is only a duplicate if the channel, BSSID, ESSID - * and the capability field (in particular IBSS and BSS) all match. - * We treat all <hidden> with the same BSSID and channel - * as one network */ - return (((src->ssid_len == dst->ssid_len) || (ieee->iw_mode == IW_MODE_INFRA)) && /* YJ,mod, 080819,for hidden ap */ - /* ((src->ssid_len == dst->ssid_len) && */ + /* A network is only a duplicate if the channel, BSSID, ESSID + * and the capability field (in particular IBSS and BSS) all match. + * We treat all <hidden> with the same BSSID and channel + * as one network + */ + return (((src->ssid_len == dst->ssid_len) || (ieee->iw_mode == IW_MODE_INFRA)) && /* YJ,mod, 080819,for hidden ap */ (src->channel == dst->channel) && !memcmp(src->bssid, dst->bssid, ETH_ALEN) && (!memcmp(src->ssid, dst->ssid, src->ssid_len) || (ieee->iw_mode == IW_MODE_INFRA)) && /* YJ,mod, 080819,for hidden ap */ - /*!memcmp(src->ssid, dst->ssid, src->ssid_len) && */ ((src->capability & WLAN_CAPABILITY_IBSS) == (dst->capability & WLAN_CAPABILITY_IBSS)) && ((src->capability & WLAN_CAPABILITY_BSS) == @@ -1535,11 +1375,9 @@ static struct iw_statistics *r8180_get_wireless_stats(struct net_device *dev) struct r8180_priv *priv = ieee80211_priv(dev); struct ieee80211_device* ieee = priv->ieee80211; struct iw_statistics* wstats = &priv->wstats; - /* struct ieee80211_network* target = NULL; */ int tmp_level = 0; int tmp_qual = 0; int tmp_noise = 0; - /* unsigned long flag; */ if (ieee->state < IEEE80211_LINKED) { wstats->qual.qual = 0; @@ -1552,9 +1390,7 @@ static struct iw_statistics *r8180_get_wireless_stats(struct net_device *dev) tmp_level = (&ieee->current_network)->stats.signal; tmp_qual = (&ieee->current_network)->stats.signalstrength; tmp_noise = (&ieee->current_network)->stats.noise; - /* printk("level:%d, qual:%d, noise:%d\n", tmp_level, tmp_qual, tmp_noise); */ -/* printk("level:%d\n", tmp_level); */ wstats->qual.level = tmp_level; wstats->qual.qual = tmp_qual; wstats->qual.noise = tmp_noise; diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c index 6c5061f12ba..13979b5ea32 100644 --- a/drivers/staging/rtl8192e/rtllib_rx.c +++ b/drivers/staging/rtl8192e/rtllib_rx.c @@ -2453,7 +2453,7 @@ static inline void update_network(struct rtllib_network *dst, if (src->wmm_param[0].ac_aci_acm_aifsn || src->wmm_param[1].ac_aci_acm_aifsn || src->wmm_param[2].ac_aci_acm_aifsn || - src->wmm_param[1].ac_aci_acm_aifsn) + src->wmm_param[3].ac_aci_acm_aifsn) memcpy(dst->wmm_param, src->wmm_param, WME_AC_PRAM_LEN); dst->SignalStrength = src->SignalStrength; diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c index 1637f111099..c5a15dba1bf 100644 --- a/drivers/staging/rtl8192e/rtllib_softmac.c +++ b/drivers/staging/rtl8192e/rtllib_softmac.c @@ -2234,7 +2234,6 @@ inline int rtllib_rx_assoc_resp(struct rtllib_device *ieee, struct sk_buff *skb, if (!network) return 1; - memset(network, 0, sizeof(*network)); ieee->state = RTLLIB_LINKED; ieee->assoc_id = aid; ieee->softmac_stats.rx_ass_ok++; @@ -2259,8 +2258,8 @@ inline int rtllib_rx_assoc_resp(struct rtllib_device *ieee, struct sk_buff *skb, ieee->handle_assoc_response(ieee->dev, (struct rtllib_assoc_response_frame *)header, network); - kfree(network); } + kfree(network); kfree(ieee->assocresp_ies); ieee->assocresp_ies = NULL; diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c index c9bdc7f6bdc..be2a28cf8ed 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c @@ -237,7 +237,7 @@ ieee80211_rx_frame_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb, #ifdef NOT_YET if (ieee->iw_mode == IW_MODE_MASTER) { - printk(KERN_DEBUG "%s: Master mode not yet suppported.\n", + printk(KERN_DEBUG "%s: Master mode not yet supported.\n", ieee->dev->name); return 0; /* diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index c09be0a6646..9c00865f302 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -105,7 +105,6 @@ u32 rt_global_debug_component = \ static const struct usb_device_id rtl8192_usb_id_tbl[] = { /* Realtek */ - {USB_DEVICE(0x0bda, 0x8192)}, {USB_DEVICE(0x0bda, 0x8709)}, /* Corega */ {USB_DEVICE(0x07aa, 0x0043)}, diff --git a/drivers/staging/rtl8712/Kconfig b/drivers/staging/rtl8712/Kconfig index ea37473f71e..6a43312380e 100644 --- a/drivers/staging/rtl8712/Kconfig +++ b/drivers/staging/rtl8712/Kconfig @@ -9,13 +9,6 @@ config R8712U This option adds the Realtek RTL8712 USB device such as the D-Link DWA-130. If built as a module, it will be called r8712u. -config R8712_AP - bool "Realtek RTL8712U AP code" - depends on R8712U - default N - ---help--- - This option allows the Realtek RTL8712 USB device to be an Access Point. - config R8712_TX_AGGR bool "Realtek RTL8712U Transmit Aggregation code" depends on R8712U && BROKEN diff --git a/drivers/staging/rtl8712/drv_types.h b/drivers/staging/rtl8712/drv_types.h index ed85b441520..e83665d0602 100644 --- a/drivers/staging/rtl8712/drv_types.h +++ b/drivers/staging/rtl8712/drv_types.h @@ -140,7 +140,6 @@ struct dvobj_priv { u8 ishighspeed; uint(*inirp_init)(struct _adapter *adapter); uint(*inirp_deinit)(struct _adapter *adapter); - struct semaphore usb_suspend_sema; struct usb_device *pusbdev; }; diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c index 98a3d684f9b..7bbd53a410e 100644 --- a/drivers/staging/rtl8712/os_intfs.c +++ b/drivers/staging/rtl8712/os_intfs.c @@ -330,7 +330,6 @@ u8 r8712_init_drv_sw(struct _adapter *padapter) padapter->stapriv.padapter = padapter; r8712_init_bcmc_stainfo(padapter); r8712_init_pwrctrl_priv(padapter); - sema_init(&(padapter->pwrctrlpriv.pnp_pwr_mgnt_sema), 0); mp871xinit(padapter); if (init_default_value(padapter) != _SUCCESS) return _FAIL; @@ -476,11 +475,6 @@ static int netdev_close(struct net_device *pnetdev) r8712_free_assoc_resources(padapter); /*s2-4.*/ r8712_free_network_queue(padapter); - /* The interface is no longer Up: */ - padapter->bup = false; - release_firmware(padapter->fw); - /* never exit with a firmware callback pending */ - wait_for_completion(&padapter->rtl8712_fw_ready); return 0; } diff --git a/drivers/staging/rtl8712/osdep_service.h b/drivers/staging/rtl8712/osdep_service.h index 1ee943a58c4..9ba603310fd 100644 --- a/drivers/staging/rtl8712/osdep_service.h +++ b/drivers/staging/rtl8712/osdep_service.h @@ -72,18 +72,6 @@ static inline struct list_head *get_list_head(struct __queue *queue) #define LIST_CONTAINOR(ptr, type, member) \ ((type *)((char *)(ptr)-(SIZE_T)(&((type *)0)->member))) -static inline void _enter_hwio_critical(struct semaphore *prwlock, - unsigned long *pirqL) -{ - down(prwlock); -} - -static inline void _exit_hwio_critical(struct semaphore *prwlock, - unsigned long *pirqL) -{ - up(prwlock); -} - static inline void list_delete(struct list_head *plist) { list_del_init(plist); @@ -152,11 +140,6 @@ static inline u32 _down_sema(struct semaphore *sema) return _SUCCESS; } -static inline void _rtl_rwlock_init(struct semaphore *prwlock) -{ - sema_init(prwlock, 1); -} - static inline void _init_listhead(struct list_head *list) { INIT_LIST_HEAD(list); diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c index 6d692657e78..fa6dc9c09b3 100644 --- a/drivers/staging/rtl8712/rtl8712_recv.c +++ b/drivers/staging/rtl8712/rtl8712_recv.c @@ -55,8 +55,6 @@ int r8712_init_recv_priv(struct recv_priv *precvpriv, struct _adapter *padapter) int alignment = 0; struct sk_buff *pskb = NULL; - sema_init(&precvpriv->recv_sema, 0); - sema_init(&precvpriv->terminate_recvthread_sema, 0); /*init recv_buf*/ _init_queue(&precvpriv->free_recv_buf_queue); precvpriv->pallocated_recv_buf = _malloc(NR_RECVBUFF * diff --git a/drivers/staging/rtl8712/rtl871x_io.c b/drivers/staging/rtl8712/rtl871x_io.c index ca84ee02eac..abc1c97378f 100644 --- a/drivers/staging/rtl8712/rtl871x_io.c +++ b/drivers/staging/rtl8712/rtl871x_io.c @@ -131,7 +131,6 @@ uint r8712_alloc_io_queue(struct _adapter *adapter) pio_req = (struct io_req *)(pio_queue->free_ioreqs_buf); for (i = 0; i < NUM_IOREQ; i++) { _init_listhead(&pio_req->list); - sema_init(&pio_req->sema, 0); list_insert_tail(&pio_req->list, &pio_queue->free_ioreqs); pio_req++; } diff --git a/drivers/staging/rtl8712/rtl871x_io.h b/drivers/staging/rtl8712/rtl871x_io.h index 86308a0093e..d3d8727c2ec 100644 --- a/drivers/staging/rtl8712/rtl871x_io.h +++ b/drivers/staging/rtl8712/rtl871x_io.h @@ -117,7 +117,6 @@ struct io_req { u32 command; u32 status; u8 *pbuf; - struct semaphore sema; void (*_async_io_callback)(struct _adapter *padater, struct io_req *pio_req, u8 *cnxt); u8 *cnxt; diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c index 507584b837c..ef35bc29a3f 100644 --- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c +++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c @@ -2380,13 +2380,7 @@ static struct iw_statistics *r871x_get_wireless_stats(struct net_device *dev) tmp_qual = padapter->recvpriv.signal; tmp_noise = padapter->recvpriv.noise; piwstats->qual.level = tmp_level; - /*piwstats->qual.qual = tmp_qual; - * The NetworkManager of Fedora 10, 13 will use the link - * quality for its display. - * So, use the fw_rssi on link quality variable because - * fw_rssi will be updated per 2 seconds. - */ - piwstats->qual.qual = tmp_level; + piwstats->qual.qual = tmp_qual; piwstats->qual.noise = tmp_noise; } piwstats->qual.updated = IW_QUAL_ALL_UPDATED; diff --git a/drivers/staging/rtl8712/rtl871x_pwrctrl.c b/drivers/staging/rtl8712/rtl871x_pwrctrl.c index 23e72a0401a..9fd2ec7596c 100644 --- a/drivers/staging/rtl8712/rtl871x_pwrctrl.c +++ b/drivers/staging/rtl8712/rtl871x_pwrctrl.c @@ -100,7 +100,6 @@ void r8712_cpwm_int_hdl(struct _adapter *padapter, { struct pwrctrl_priv *pwrpriv = &(padapter->pwrctrlpriv); struct cmd_priv *pcmdpriv = &(padapter->cmdpriv); - struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); if (pwrpriv->cpwm_tog == ((preportpwrstate->state) & 0x80)) return; @@ -110,8 +109,6 @@ void r8712_cpwm_int_hdl(struct _adapter *padapter, if (pwrpriv->cpwm >= PS_STATE_S2) { if (pwrpriv->alives & CMD_ALIVE) up(&(pcmdpriv->cmd_queue_sema)); - if (pwrpriv->alives & XMIT_ALIVE) - up(&(pxmitpriv->xmit_sema)); } pwrpriv->cpwm_tog = (preportpwrstate->state) & 0x80; up(&pwrpriv->lock); @@ -145,12 +142,12 @@ static void SetPSModeWorkItemCallback(struct work_struct *work) struct pwrctrl_priv, SetPSModeWorkItem); struct _adapter *padapter = container_of(pwrpriv, struct _adapter, pwrctrlpriv); - _enter_pwrlock(&pwrpriv->lock); if (!pwrpriv->bSleep) { + _enter_pwrlock(&pwrpriv->lock); if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) r8712_set_rpwm(padapter, PS_STATE_S4); + up(&pwrpriv->lock); } - up(&pwrpriv->lock); } static void rpwm_workitem_callback(struct work_struct *work) @@ -160,13 +157,13 @@ static void rpwm_workitem_callback(struct work_struct *work) struct _adapter *padapter = container_of(pwrpriv, struct _adapter, pwrctrlpriv); u8 cpwm = pwrpriv->cpwm; - _enter_pwrlock(&pwrpriv->lock); if (pwrpriv->cpwm != pwrpriv->rpwm) { + _enter_pwrlock(&pwrpriv->lock); cpwm = r8712_read8(padapter, SDIO_HCPWM); pwrpriv->rpwm_retry = 1; r8712_set_rpwm(padapter, pwrpriv->rpwm); + up(&pwrpriv->lock); } - up(&pwrpriv->lock); } static void rpwm_check_handler (void *FunctionContext) diff --git a/drivers/staging/rtl8712/rtl871x_pwrctrl.h b/drivers/staging/rtl8712/rtl871x_pwrctrl.h index b41ca2892be..6024c4f63d5 100644 --- a/drivers/staging/rtl8712/rtl871x_pwrctrl.h +++ b/drivers/staging/rtl8712/rtl871x_pwrctrl.h @@ -133,7 +133,6 @@ struct pwrctrl_priv { u8 rpwm_retry; uint bSetPSModeWorkItemInProgress; - struct semaphore pnp_pwr_mgnt_sema; spinlock_t pnp_pwr_mgnt_lock; s32 pnp_current_pwr_state; u8 pnp_bstop_trx; diff --git a/drivers/staging/rtl8712/rtl871x_recv.c b/drivers/staging/rtl8712/rtl871x_recv.c index 7069f06d9b5..5b03b405883 100644 --- a/drivers/staging/rtl8712/rtl871x_recv.c +++ b/drivers/staging/rtl8712/rtl871x_recv.c @@ -93,7 +93,6 @@ sint _r8712_init_recv_priv(struct recv_priv *precvpriv, precvframe++; } precvpriv->rx_pending_cnt = 1; - sema_init(&precvpriv->allrxreturnevt, 0); return r8712_init_recv_priv(precvpriv, padapter); } diff --git a/drivers/staging/rtl8712/rtl871x_recv.h b/drivers/staging/rtl8712/rtl871x_recv.h index cc7a72fee1c..e42e6f0a15e 100644 --- a/drivers/staging/rtl8712/rtl871x_recv.h +++ b/drivers/staging/rtl8712/rtl871x_recv.h @@ -85,8 +85,6 @@ using enter_critical section to protect */ struct recv_priv { spinlock_t lock; - struct semaphore recv_sema; - struct semaphore terminate_recvthread_sema; struct __queue free_recv_queue; struct __queue recv_pending_queue; u8 *pallocated_frame_buf; @@ -100,7 +98,6 @@ struct recv_priv { uint rx_largepacket_crcerr; uint rx_smallpacket_crcerr; uint rx_middlepacket_crcerr; - struct semaphore allrxreturnevt; u8 rx_pending_cnt; uint ff_hwaddr; struct tasklet_struct recv_tasklet; diff --git a/drivers/staging/rtl8712/rtl871x_sta_mgt.c b/drivers/staging/rtl8712/rtl871x_sta_mgt.c index 81bde803c59..1247b3d9719 100644 --- a/drivers/staging/rtl8712/rtl871x_sta_mgt.c +++ b/drivers/staging/rtl8712/rtl871x_sta_mgt.c @@ -42,10 +42,8 @@ static void _init_stainfo(struct sta_info *psta) _init_listhead(&psta->hash_list); _r8712_init_sta_xmit_priv(&psta->sta_xmitpriv); _r8712_init_sta_recv_priv(&psta->sta_recvpriv); -#ifdef CONFIG_R8712_AP _init_listhead(&psta->asoc_list); _init_listhead(&psta->auth_list); -#endif } u32 _r8712_init_sta_priv(struct sta_priv *pstapriv) @@ -72,10 +70,8 @@ u32 _r8712_init_sta_priv(struct sta_priv *pstapriv) get_list_head(&pstapriv->free_sta_queue)); psta++; } -#ifdef CONFIG_R8712_AP _init_listhead(&pstapriv->asoc_list); _init_listhead(&pstapriv->auth_list); -#endif return _SUCCESS; } diff --git a/drivers/staging/rtl8712/rtl871x_xmit.c b/drivers/staging/rtl8712/rtl871x_xmit.c index 8bbdee70f86..aa57e7754f0 100644 --- a/drivers/staging/rtl8712/rtl871x_xmit.c +++ b/drivers/staging/rtl8712/rtl871x_xmit.c @@ -71,8 +71,6 @@ sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, memset((unsigned char *)pxmitpriv, 0, sizeof(struct xmit_priv)); spin_lock_init(&pxmitpriv->lock); - sema_init(&pxmitpriv->xmit_sema, 0); - sema_init(&pxmitpriv->terminate_xmitthread_sema, 0); /* Please insert all the queue initializaiton using _init_queue below */ @@ -121,7 +119,6 @@ sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, _r8712_init_hw_txqueue(&pxmitpriv->bmc_txqueue, BMC_QUEUE_INX); pxmitpriv->frag_len = MAX_FRAG_THRESHOLD; pxmitpriv->txirp_cnt = 1; - sema_init(&(pxmitpriv->tx_retevt), 0); /*per AC pending irp*/ pxmitpriv->beq_cnt = 0; pxmitpriv->bkq_cnt = 0; diff --git a/drivers/staging/rtl8712/rtl871x_xmit.h b/drivers/staging/rtl8712/rtl871x_xmit.h index a034c0fec71..638b79b4c5a 100644 --- a/drivers/staging/rtl8712/rtl871x_xmit.h +++ b/drivers/staging/rtl8712/rtl871x_xmit.h @@ -202,8 +202,6 @@ struct hw_txqueue { struct xmit_priv { spinlock_t lock; - struct semaphore xmit_sema; - struct semaphore terminate_xmitthread_sema; struct __queue be_pending; struct __queue bk_pending; struct __queue vi_pending; @@ -233,7 +231,6 @@ struct xmit_priv { uint tx_drop; struct hw_xmit *hwxmits; u8 hwxmit_entry; - struct semaphore tx_retevt;/*all tx return event;*/ u8 txirp_cnt; struct tasklet_struct xmit_tasklet; _workitem xmit_pipe4_reset_wi; diff --git a/drivers/staging/rtl8712/sta_info.h b/drivers/staging/rtl8712/sta_info.h index 48d6a14c8f5..f8016e9abff 100644 --- a/drivers/staging/rtl8712/sta_info.h +++ b/drivers/staging/rtl8712/sta_info.h @@ -90,7 +90,6 @@ struct sta_info { * curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO * sta_info: (AP & STA) CAP/INFO */ -#ifdef CONFIG_R8712_AP struct list_head asoc_list; struct list_head auth_list; unsigned int expire_to; @@ -98,7 +97,6 @@ struct sta_info { unsigned int authalg; unsigned char chg_txt[128]; unsigned int tx_ra_bitmap; -#endif }; struct sta_priv { @@ -111,13 +109,11 @@ struct sta_priv { struct __queue sleep_q; struct __queue wakeup_q; struct _adapter *padapter; -#ifdef CONFIG_R8712_AP struct list_head asoc_list; struct list_head auth_list; unsigned int auth_to; /* sec, time to expire in authenticating. */ unsigned int assoc_to; /* sec, time to expire before associating. */ unsigned int expire_to; /* sec , time to expire after associated. */ -#endif }; static inline u32 wifi_mac_hash(u8 *mac) diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c index 9bade184883..e419b4fd82b 100644 --- a/drivers/staging/rtl8712/usb_intf.c +++ b/drivers/staging/rtl8712/usb_intf.c @@ -30,6 +30,7 @@ #include <linux/usb.h> #include <linux/module.h> +#include <linux/firmware.h> #include "osdep_service.h" #include "drv_types.h" @@ -105,10 +106,10 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = { /* RTL8191SU */ /* Realtek */ {USB_DEVICE(0x0BDA, 0x8172)}, + {USB_DEVICE(0x0BDA, 0x8192)}, /* Amigo */ {USB_DEVICE(0x0EB0, 0x9061)}, /* ASUS/EKB */ - {USB_DEVICE(0x0BDA, 0x8172)}, {USB_DEVICE(0x13D3, 0x3323)}, {USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */ {USB_DEVICE(0x13D3, 0x3342)}, @@ -160,7 +161,6 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = { /* RTL8192SU */ /* Realtek */ {USB_DEVICE(0x0BDA, 0x8174)}, - {USB_DEVICE(0x0BDA, 0x8174)}, /* Belkin */ {USB_DEVICE(0x050D, 0x845A)}, /* Corega */ @@ -281,7 +281,6 @@ static uint r8712_usb_dvobj_init(struct _adapter *padapter) } if ((r8712_alloc_io_queue(padapter)) == _FAIL) status = _FAIL; - sema_init(&(padapter->dvobjpriv.usb_suspend_sema), 0); return status; } @@ -623,6 +622,10 @@ static void r871xu_dev_remove(struct usb_interface *pusb_intf) usb_set_intfdata(pusb_intf, NULL); if (padapter) { + if (padapter->fw_found) + release_firmware(padapter->fw); + /* never exit with a firmware callback pending */ + wait_for_completion(&padapter->rtl8712_fw_ready); if (drvpriv.drv_registered == true) padapter->bSurpriseRemoved = true; if (pnetdev != NULL) { diff --git a/drivers/staging/rts5139/TODO b/drivers/staging/rts5139/TODO index 4bde726ea5f..dd5fabb8ea7 100644 --- a/drivers/staging/rts5139/TODO +++ b/drivers/staging/rts5139/TODO @@ -2,4 +2,8 @@ TODO: - support more USB card reader of Realtek family - use kernel coding style - checkpatch.pl fixes - +- stop having thousands of lines of code duplicated with staging/rts_pstor +- This driver contains an entire SD/MMC stack -- it should use the stack in + drivers/mmc instead, as a host driver e.g. drivers/mmc/host/realtek-usb.c; + see drivers/mmc/host/ushc.c as an example. +- This driver presents cards as SCSI devices, but they should be MMC devices. diff --git a/drivers/staging/rts5139/ms.h b/drivers/staging/rts5139/ms.h index f9d46d210f2..3ce1dc90f19 100644 --- a/drivers/staging/rts5139/ms.h +++ b/drivers/staging/rts5139/ms.h @@ -249,9 +249,9 @@ int ms_delay_write(struct rts51x_chip *chip); #ifdef SUPPORT_MAGIC_GATE int ms_switch_clock(struct rts51x_chip *chip); -int ms_write_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 * data, +int ms_write_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 *data, int data_len); -int ms_read_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 * data, +int ms_read_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 *data, int data_len); int ms_set_rw_reg_addr(struct rts51x_chip *chip, u8 read_start, u8 read_cnt, u8 write_start, u8 write_cnt); diff --git a/drivers/staging/rts5139/rts51x_chip.c b/drivers/staging/rts5139/rts51x_chip.c index adc0d000573..b3e0bb22b0f 100644 --- a/drivers/staging/rts5139/rts51x_chip.c +++ b/drivers/staging/rts5139/rts51x_chip.c @@ -541,7 +541,7 @@ int rts51x_get_rsp(struct rts51x_chip *chip, int rsp_len, int timeout) return STATUS_SUCCESS; } -int rts51x_get_card_status(struct rts51x_chip *chip, u16 * status) +int rts51x_get_card_status(struct rts51x_chip *chip, u16 *status) { int retval; u16 val; @@ -577,7 +577,7 @@ int rts51x_write_register(struct rts51x_chip *chip, u16 addr, u8 mask, u8 data) return STATUS_SUCCESS; } -int rts51x_read_register(struct rts51x_chip *chip, u16 addr, u8 * data) +int rts51x_read_register(struct rts51x_chip *chip, u16 addr, u8 *data) { int retval; @@ -620,7 +620,7 @@ int rts51x_ep0_write_register(struct rts51x_chip *chip, u16 addr, u8 mask, return STATUS_SUCCESS; } -int rts51x_ep0_read_register(struct rts51x_chip *chip, u16 addr, u8 * data) +int rts51x_ep0_read_register(struct rts51x_chip *chip, u16 addr, u8 *data) { int retval; u16 value = 0; @@ -720,7 +720,7 @@ int rts51x_seq_read_register(struct rts51x_chip *chip, u16 addr, u16 len, return STATUS_SUCCESS; } -int rts51x_read_ppbuf(struct rts51x_chip *chip, u8 * buf, int buf_len) +int rts51x_read_ppbuf(struct rts51x_chip *chip, u8 *buf, int buf_len) { int retval; @@ -735,7 +735,7 @@ int rts51x_read_ppbuf(struct rts51x_chip *chip, u8 * buf, int buf_len) return STATUS_SUCCESS; } -int rts51x_write_ppbuf(struct rts51x_chip *chip, u8 * buf, int buf_len) +int rts51x_write_ppbuf(struct rts51x_chip *chip, u8 *buf, int buf_len) { int retval; @@ -776,7 +776,7 @@ int rts51x_write_phy_register(struct rts51x_chip *chip, u8 addr, u8 val) return STATUS_SUCCESS; } -int rts51x_read_phy_register(struct rts51x_chip *chip, u8 addr, u8 * val) +int rts51x_read_phy_register(struct rts51x_chip *chip, u8 addr, u8 *val) { int retval; @@ -921,7 +921,7 @@ void rts51x_trace_msg(struct rts51x_chip *chip, unsigned char *buf, int clear) } #endif -void rts51x_pp_status(struct rts51x_chip *chip, unsigned int lun, u8 * status, +void rts51x_pp_status(struct rts51x_chip *chip, unsigned int lun, u8 *status, u8 status_len) { struct sd_info *sd_card = &(chip->sd_card); diff --git a/drivers/staging/rts5139/rts51x_chip.h b/drivers/staging/rts5139/rts51x_chip.h index 321ece750ed..13fc2a410d9 100644 --- a/drivers/staging/rts5139/rts51x_chip.h +++ b/drivers/staging/rts5139/rts51x_chip.h @@ -857,12 +857,12 @@ static inline u8 *rts51x_get_rsp_data(struct rts51x_chip *chip) return chip->rsp_buf; } -int rts51x_get_card_status(struct rts51x_chip *chip, u16 * status); +int rts51x_get_card_status(struct rts51x_chip *chip, u16 *status); int rts51x_write_register(struct rts51x_chip *chip, u16 addr, u8 mask, u8 data); -int rts51x_read_register(struct rts51x_chip *chip, u16 addr, u8 * data); +int rts51x_read_register(struct rts51x_chip *chip, u16 addr, u8 *data); int rts51x_ep0_write_register(struct rts51x_chip *chip, u16 addr, u8 mask, u8 data); -int rts51x_ep0_read_register(struct rts51x_chip *chip, u16 addr, u8 * data); +int rts51x_ep0_read_register(struct rts51x_chip *chip, u16 addr, u8 *data); int rts51x_seq_write_register(struct rts51x_chip *chip, u16 addr, u16 len, u8 *data); int rts51x_seq_read_register(struct rts51x_chip *chip, u16 addr, u16 len, diff --git a/drivers/staging/rts5139/rts51x_fop.h b/drivers/staging/rts5139/rts51x_fop.h index 0453f57d1a8..94d75f08d25 100644 --- a/drivers/staging/rts5139/rts51x_fop.h +++ b/drivers/staging/rts5139/rts51x_fop.h @@ -48,7 +48,7 @@ int rts51x_open(struct inode *inode, struct file *filp); int rts51x_release(struct inode *inode, struct file *filp); ssize_t rts51x_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos); -ssize_t rts51x_write(struct file *filp, const char __user * buf, size_t count, +ssize_t rts51x_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos); #if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36) */ int rts51x_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, diff --git a/drivers/staging/rts5139/rts51x_transport.c b/drivers/staging/rts5139/rts51x_transport.c index e11467acc57..da9c83b4942 100644 --- a/drivers/staging/rts5139/rts51x_transport.c +++ b/drivers/staging/rts5139/rts51x_transport.c @@ -883,7 +883,7 @@ int rts51x_transfer_data_partial(struct rts51x_chip *chip, unsigned int pipe, return result; } -int rts51x_get_epc_status(struct rts51x_chip *chip, u16 * status) +int rts51x_get_epc_status(struct rts51x_chip *chip, u16 *status) { unsigned int pipe = RCV_INTR_PIPE(chip); struct usb_host_endpoint *ep; diff --git a/drivers/staging/rts5139/rts51x_transport.h b/drivers/staging/rts5139/rts51x_transport.h index 8464c4836d5..9dd556ea9c0 100644 --- a/drivers/staging/rts5139/rts51x_transport.h +++ b/drivers/staging/rts5139/rts51x_transport.h @@ -73,7 +73,7 @@ int rts51x_start_epc_transfer(struct rts51x_chip *chip); void rts51x_cancel_epc_transfer(struct rts51x_chip *chip); #endif -int rts51x_get_epc_status(struct rts51x_chip *chip, u16 * status); +int rts51x_get_epc_status(struct rts51x_chip *chip, u16 *status); void rts51x_invoke_transport(struct scsi_cmnd *srb, struct rts51x_chip *chip); #endif /* __RTS51X_TRANSPORT_H */ diff --git a/drivers/staging/rts5139/sd_cprm.c b/drivers/staging/rts5139/sd_cprm.c index 407cd43ad3b..d5969d992d8 100644 --- a/drivers/staging/rts5139/sd_cprm.c +++ b/drivers/staging/rts5139/sd_cprm.c @@ -233,7 +233,7 @@ RTY_SEND_CMD: return STATUS_SUCCESS; } -int ext_sd_get_rsp(struct rts51x_chip *chip, int len, u8 * rsp, u8 rsp_type) +int ext_sd_get_rsp(struct rts51x_chip *chip, int len, u8 *rsp, u8 rsp_type) { int retval, rsp_len; u16 reg_addr; diff --git a/drivers/staging/rts_pstor/TODO b/drivers/staging/rts_pstor/TODO index 2f93a7c1b5a..becb95e4f2c 100644 --- a/drivers/staging/rts_pstor/TODO +++ b/drivers/staging/rts_pstor/TODO @@ -2,4 +2,8 @@ TODO: - support more pcie card reader of Realtek family - use kernel coding style - checkpatch.pl fixes - +- stop having thousands of lines of code duplicated with staging/rts5139 +- This driver contains an entire SD/MMC stack -- it should use the stack in + drivers/mmc instead, as a host driver e.g. drivers/mmc/host/realtek-pci.c; + see drivers/mmc/host/via-sdmmc.c as an example. +- This driver presents cards as SCSI devices, but they should be MMC devices. diff --git a/drivers/staging/sbe-2t3e3/intr.c b/drivers/staging/sbe-2t3e3/intr.c index 7ad1a838203..1336aab11bd 100644 --- a/drivers/staging/sbe-2t3e3/intr.c +++ b/drivers/staging/sbe-2t3e3/intr.c @@ -188,7 +188,7 @@ void dc_intr_rx(struct channel *sc) } if (sc->s.LOS) { - error_mask &= ~(SBE_2T3E3_RX_DESC_DRIBBLING_BIT || + error_mask &= ~(SBE_2T3E3_RX_DESC_DRIBBLING_BIT | SBE_2T3E3_RX_DESC_MII_ERROR); } diff --git a/drivers/staging/sep/Kconfig b/drivers/staging/sep/Kconfig index 92bf16667d0..185b676d858 100644 --- a/drivers/staging/sep/Kconfig +++ b/drivers/staging/sep/Kconfig @@ -3,7 +3,8 @@ config DX_SEP depends on PCI help Discretix SEP driver; used for the security processor subsystem - on bard the Intel Mobile Internet Device. + on board the Intel Mobile Internet Device and adds SEP availability + to the kernel crypto infrastructure The driver's name is sep_driver. diff --git a/drivers/staging/sep/Makefile b/drivers/staging/sep/Makefile index 628d5f91941..e48a7959289 100644 --- a/drivers/staging/sep/Makefile +++ b/drivers/staging/sep/Makefile @@ -1,2 +1,3 @@ -obj-$(CONFIG_DX_SEP) := sep_driver.o - +ccflags-y += -I$(srctree)/$(src) +obj-$(CONFIG_DX_SEP) += sep_driver.o +sep_driver-objs := sep_crypto.o sep_main.o diff --git a/drivers/staging/sep/TODO b/drivers/staging/sep/TODO index 8f3b878ad8a..3524d0cf84b 100644 --- a/drivers/staging/sep/TODO +++ b/drivers/staging/sep/TODO @@ -1,4 +1,3 @@ Todo's so far (from Alan Cox) -- Check whether it can be plugged into any of the kernel crypto API - interfaces - Crypto API 'glue' is still not ready to submit -- Clean up un-needed debug prints - Started to work on this +- Clean up unused ioctls +- Clean up unused fields in ioctl structures diff --git a/drivers/staging/sep/sep_crypto.c b/drivers/staging/sep/sep_crypto.c new file mode 100644 index 00000000000..1cc790e9fa0 --- /dev/null +++ b/drivers/staging/sep/sep_crypto.c @@ -0,0 +1,4058 @@ +/* + * + * sep_crypto.c - Crypto interface structures + * + * Copyright(c) 2009-2011 Intel Corporation. All rights reserved. + * Contributions(c) 2009-2010 Discretix. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * CONTACTS: + * + * Mark Allyn mark.a.allyn@intel.com + * Jayant Mangalampalli jayant.mangalampalli@intel.com + * + * CHANGES: + * + * 2009.06.26 Initial publish + * 2010.09.14 Upgrade to Medfield + * 2011.02.22 Enable Kernel Crypto + * + */ + +/* #define DEBUG */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/miscdevice.h> +#include <linux/fs.h> +#include <linux/cdev.h> +#include <linux/kdev_t.h> +#include <linux/mutex.h> +#include <linux/sched.h> +#include <linux/mm.h> +#include <linux/poll.h> +#include <linux/wait.h> +#include <linux/pci.h> +#include <linux/pci.h> +#include <linux/pm_runtime.h> +#include <linux/err.h> +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/clk.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/list.h> +#include <linux/dma-mapping.h> +#include <linux/delay.h> +#include <linux/jiffies.h> +#include <linux/workqueue.h> +#include <linux/crypto.h> +#include <crypto/internal/hash.h> +#include <crypto/scatterwalk.h> +#include <crypto/sha.h> +#include <crypto/md5.h> +#include <crypto/aes.h> +#include <crypto/des.h> +#include <crypto/hash.h> +#include "sep_driver_hw_defs.h" +#include "sep_driver_config.h" +#include "sep_driver_api.h" +#include "sep_dev.h" +#include "sep_crypto.h" + +#if defined(CONFIG_CRYPTO) || defined(CONFIG_CRYPTO_MODULE) + +/* Globals for queuing */ +static spinlock_t queue_lock; +static struct crypto_queue sep_queue; + +/* Declare of dequeuer */ +static void sep_dequeuer(void *data); + +/* TESTING */ +/** + * crypto_sep_dump_message - dump the message that is pending + * @sep: SEP device + * This will only print dump if DEBUG is set; it does + * follow kernel debug print enabling + */ +static void crypto_sep_dump_message(struct sep_device *sep, void *msg) +{ +#if 0 + u32 *p; + u32 *i; + int count; + + p = sep->shared_addr; + i = (u32 *)msg; + for (count = 0; count < 10 * 4; count += 4) + dev_dbg(&sep->pdev->dev, + "[PID%d] Word %d of the message is %x (local)%x\n", + current->pid, count/4, *p++, *i++); +#endif +} + +/** + * sep_do_callback + * @work: pointer to work_struct + * This is what is called by the queue; it is generic so that it + * can be used by any type of operation as each different callback + * function can use the data parameter in its own way + */ +static void sep_do_callback(struct work_struct *work) +{ + struct sep_work_struct *sep_work = container_of(work, + struct sep_work_struct, work); + if (sep_work != NULL) { + (sep_work->callback)(sep_work->data); + kfree(sep_work); + } else { + pr_debug("sep crypto: do callback - NULL container\n"); + } +} + +/** + * sep_submit_work + * @work_queue: pointer to struct_workqueue + * @funct: pointer to function to execute + * @data: pointer to data; function will know + * how to use it + * This is a generic API to submit something to + * the queue. The callback function will depend + * on what operation is to be done + */ +static int sep_submit_work(struct workqueue_struct *work_queue, + void(*funct)(void *), + void *data) +{ + struct sep_work_struct *sep_work; + int result; + + sep_work = kmalloc(sizeof(struct sep_work_struct), GFP_ATOMIC); + + if (sep_work == NULL) { + pr_debug("sep crypto: cant allocate work structure\n"); + return -ENOMEM; + } + + sep_work->callback = funct; + sep_work->data = data; + INIT_WORK(&sep_work->work, sep_do_callback); + result = queue_work(work_queue, &sep_work->work); + if (!result) { + pr_debug("sep_crypto: queue_work failed\n"); + return -EINVAL; + } + return 0; +} + +/** + * sep_alloc_sg_buf - + * @sep: pointer to struct sep_device + * @size: total size of area + * @block_size: minimum size of chunks + * each page is minimum or modulo this size + * @returns: pointer to struct scatterlist for new + * buffer + **/ +static struct scatterlist *sep_alloc_sg_buf( + struct sep_device *sep, + size_t size, + size_t block_size) +{ + u32 nbr_pages; + u32 ct1; + void *buf; + size_t current_size; + size_t real_page_size; + + struct scatterlist *sg, *sg_temp; + + if (size == 0) + return NULL; + + dev_dbg(&sep->pdev->dev, "sep alloc sg buf\n"); + + current_size = 0; + nbr_pages = 0; + real_page_size = PAGE_SIZE - (PAGE_SIZE % block_size); + /** + * The size of each page must be modulo of the operation + * block size; increment by the modified page size until + * the total size is reached, then you have the number of + * pages + */ + while (current_size < size) { + current_size += real_page_size; + nbr_pages += 1; + } + + sg = kmalloc((sizeof(struct scatterlist) * nbr_pages), GFP_ATOMIC); + if (!sg) { + dev_warn(&sep->pdev->dev, "Cannot allocate page for new sg\n"); + return NULL; + } + + sg_init_table(sg, nbr_pages); + + current_size = 0; + sg_temp = sg; + for (ct1 = 0; ct1 < nbr_pages; ct1 += 1) { + buf = (void *)get_zeroed_page(GFP_ATOMIC); + if (!buf) { + dev_warn(&sep->pdev->dev, + "Cannot allocate page for new buffer\n"); + kfree(sg); + return NULL; + } + + sg_set_buf(sg_temp, buf, real_page_size); + if ((size - current_size) > real_page_size) { + sg_temp->length = real_page_size; + current_size += real_page_size; + } else { + sg_temp->length = (size - current_size); + current_size = size; + } + sg_temp = sg_next(sg); + } + return sg; +} + +/** + * sep_free_sg_buf - + * @sg: pointer to struct scatterlist; points to area to free + */ +static void sep_free_sg_buf(struct scatterlist *sg) +{ + struct scatterlist *sg_temp = sg; + while (sg_temp) { + free_page((unsigned long)sg_virt(sg_temp)); + sg_temp = sg_next(sg_temp); + } + kfree(sg); +} + +/** + * sep_copy_sg - + * @sep: pointer to struct sep_device + * @sg_src: pointer to struct scatterlist for source + * @sg_dst: pointer to struct scatterlist for destination + * @size: size (in bytes) of data to copy + * + * Copy data from one scatterlist to another; both must + * be the same size + */ +static void sep_copy_sg( + struct sep_device *sep, + struct scatterlist *sg_src, + struct scatterlist *sg_dst, + size_t size) +{ + u32 seg_size; + u32 in_offset, out_offset; + + u32 count = 0; + struct scatterlist *sg_src_tmp = sg_src; + struct scatterlist *sg_dst_tmp = sg_dst; + in_offset = 0; + out_offset = 0; + + dev_dbg(&sep->pdev->dev, "sep copy sg\n"); + + if ((sg_src == NULL) || (sg_dst == NULL) || (size == 0)) + return; + + dev_dbg(&sep->pdev->dev, "sep copy sg not null\n"); + + while (count < size) { + if ((sg_src_tmp->length - in_offset) > + (sg_dst_tmp->length - out_offset)) + seg_size = sg_dst_tmp->length - out_offset; + else + seg_size = sg_src_tmp->length - in_offset; + + if (seg_size > (size - count)) + seg_size = (size = count); + + memcpy(sg_virt(sg_dst_tmp) + out_offset, + sg_virt(sg_src_tmp) + in_offset, + seg_size); + + in_offset += seg_size; + out_offset += seg_size; + count += seg_size; + + if (in_offset >= sg_src_tmp->length) { + sg_src_tmp = sg_next(sg_src_tmp); + in_offset = 0; + } + + if (out_offset >= sg_dst_tmp->length) { + sg_dst_tmp = sg_next(sg_dst_tmp); + out_offset = 0; + } + } +} + +/** + * sep_oddball_pages - + * @sep: pointer to struct sep_device + * @sg: pointer to struct scatterlist - buffer to check + * @size: total data size + * @blocksize: minimum block size; must be multiples of this size + * @to_copy: 1 means do copy, 0 means do not copy + * @new_sg: pointer to location to put pointer to new sg area + * @returns: 1 if new scatterlist is needed; 0 if not needed; + * error value if operation failed + * + * The SEP device requires all pages to be multiples of the + * minimum block size appropriate for the operation + * This function check all pages; if any are oddball sizes + * (not multiple of block sizes), it creates a new scatterlist. + * If the to_copy parameter is set to 1, then a scatter list + * copy is performed. The pointer to the new scatterlist is + * put into the address supplied by the new_sg parameter; if + * no new scatterlist is needed, then a NULL is put into + * the location at new_sg. + * + */ +static int sep_oddball_pages( + struct sep_device *sep, + struct scatterlist *sg, + size_t data_size, + u32 block_size, + struct scatterlist **new_sg, + u32 do_copy) +{ + struct scatterlist *sg_temp; + u32 flag; + u32 nbr_pages, page_count; + + dev_dbg(&sep->pdev->dev, "sep oddball\n"); + if ((sg == NULL) || (data_size == 0) || (data_size < block_size)) + return 0; + + dev_dbg(&sep->pdev->dev, "sep oddball not null\n"); + flag = 0; + nbr_pages = 0; + page_count = 0; + sg_temp = sg; + + while (sg_temp) { + nbr_pages += 1; + sg_temp = sg_next(sg_temp); + } + + sg_temp = sg; + while ((sg_temp) && (flag == 0)) { + page_count += 1; + if (sg_temp->length % block_size) + flag = 1; + else + sg_temp = sg_next(sg_temp); + } + + /* Do not process if last (or only) page is oddball */ + if (nbr_pages == page_count) + flag = 0; + + if (flag) { + dev_dbg(&sep->pdev->dev, "sep oddball processing\n"); + *new_sg = sep_alloc_sg_buf(sep, data_size, block_size); + if (*new_sg == NULL) { + dev_warn(&sep->pdev->dev, "cannot allocate new sg\n"); + return -ENOMEM; + } + + if (do_copy) + sep_copy_sg(sep, sg, *new_sg, data_size); + + return 1; + } else { + return 0; + } +} + +/** + * sep_copy_offset_sg - + * @sep: pointer to struct sep_device; + * @sg: pointer to struct scatterlist + * @offset: offset into scatterlist memory + * @dst: place to put data + * @len: length of data + * @returns: number of bytes copies + * + * This copies data from scatterlist buffer + * offset from beginning - it is needed for + * handling tail data in hash + */ +static size_t sep_copy_offset_sg( + struct sep_device *sep, + struct scatterlist *sg, + u32 offset, + void *dst, + u32 len) +{ + size_t page_start; + size_t page_end; + size_t offset_within_page; + size_t length_within_page; + size_t length_remaining; + size_t current_offset; + + /* Find which page is beginning of segment */ + page_start = 0; + page_end = sg->length; + while ((sg) && (offset > page_end)) { + page_start += sg->length; + sg = sg_next(sg); + if (sg) + page_end += sg->length; + } + + if (sg == NULL) + return -ENOMEM; + + offset_within_page = offset - page_start; + if ((sg->length - offset_within_page) >= len) { + /* All within this page */ + memcpy(dst, sg_virt(sg) + offset_within_page, len); + return len; + } else { + /* Scattered multiple pages */ + current_offset = 0; + length_remaining = len; + while ((sg) && (current_offset < len)) { + length_within_page = sg->length - offset_within_page; + if (length_within_page >= length_remaining) { + memcpy(dst+current_offset, + sg_virt(sg) + offset_within_page, + length_remaining); + length_remaining = 0; + current_offset = len; + } else { + memcpy(dst+current_offset, + sg_virt(sg) + offset_within_page, + length_within_page); + length_remaining -= length_within_page; + current_offset += length_within_page; + offset_within_page = 0; + sg = sg_next(sg); + } + } + + if (sg == NULL) + return -ENOMEM; + } + return len; +} + +/** + * partial_overlap - + * @src_ptr: source pointer + * @dst_ptr: destination pointer + * @nbytes: number of bytes + * @returns: 0 for success; -1 for failure + * We cannot have any partial overlap. Total overlap + * where src is the same as dst is okay + */ +static int partial_overlap(void *src_ptr, void *dst_ptr, u32 nbytes) +{ + /* Check for partial overlap */ + if (src_ptr != dst_ptr) { + if (src_ptr < dst_ptr) { + if ((src_ptr + nbytes) > dst_ptr) + return -EINVAL; + } else { + if ((dst_ptr + nbytes) > src_ptr) + return -EINVAL; + } + } + + return 0; +} + +/* Debug - prints only if DEBUG is defined; follows kernel debug model */ +static void sep_dump(struct sep_device *sep, char *stg, void *start, int len) +{ +#if 0 + int ct1; + u8 *ptt; + + dev_dbg(&sep->pdev->dev, + "Dump of %s starting at %08lx for %08x bytes\n", + stg, (unsigned long)start, len); + for (ct1 = 0; ct1 < len; ct1 += 1) { + ptt = (u8 *)(start + ct1); + dev_dbg(&sep->pdev->dev, "%02x ", *ptt); + if (ct1 % 16 == 15) + dev_dbg(&sep->pdev->dev, "\n"); + } + dev_dbg(&sep->pdev->dev, "\n"); +#endif +} + +/* Debug - prints only if DEBUG is defined; follows kernel debug model */ +static void sep_dump_sg(struct sep_device *sep, char *stg, + struct scatterlist *sg) +{ +#if 0 + int ct1, ct2; + u8 *ptt; + + dev_dbg(&sep->pdev->dev, "Dump of scatterlist %s\n", stg); + + ct1 = 0; + while (sg) { + dev_dbg(&sep->pdev->dev, "page %x\n size %x", ct1, + sg->length); + dev_dbg(&sep->pdev->dev, "phys addr is %lx", + (unsigned long)sg_phys(sg)); + ptt = sg_virt(sg); + for (ct2 = 0; ct2 < sg->length; ct2 += 1) { + dev_dbg(&sep->pdev->dev, "byte %x is %02x\n", + ct2, (unsigned char)*(ptt + ct2)); + } + + ct1 += 1; + sg = sg_next(sg); + } + dev_dbg(&sep->pdev->dev, "\n"); +#endif +} + +/* Debug - prints only if DEBUG is defined */ +static void sep_dump_ivs(struct ablkcipher_request *req, char *reason) + + { + unsigned char *cptr; + struct sep_aes_internal_context *aes_internal; + struct sep_des_internal_context *des_internal; + int ct1; + + struct this_task_ctx *ta_ctx; + struct crypto_ablkcipher *tfm; + struct sep_system_ctx *sctx; + + ta_ctx = ablkcipher_request_ctx(req); + tfm = crypto_ablkcipher_reqtfm(req); + sctx = crypto_ablkcipher_ctx(tfm); + + dev_dbg(&ta_ctx->sep_used->pdev->dev, "IV DUMP - %s\n", reason); + if ((ta_ctx->current_request == DES_CBC) && + (ta_ctx->des_opmode == SEP_DES_CBC)) { + + des_internal = (struct sep_des_internal_context *) + sctx->des_private_ctx.ctx_buf; + /* print vendor */ + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "sep - vendor iv for DES\n"); + cptr = (unsigned char *)des_internal->iv_context; + for (ct1 = 0; ct1 < crypto_ablkcipher_ivsize(tfm); ct1 += 1) + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "%02x\n", *(cptr + ct1)); + + /* print walk */ + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "sep - walk from kernel crypto iv for DES\n"); + cptr = (unsigned char *)ta_ctx->walk.iv; + for (ct1 = 0; ct1 < crypto_ablkcipher_ivsize(tfm); ct1 += 1) + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "%02x\n", *(cptr + ct1)); + } else if ((ta_ctx->current_request == AES_CBC) && + (ta_ctx->aes_opmode == SEP_AES_CBC)) { + + aes_internal = (struct sep_aes_internal_context *) + sctx->aes_private_ctx.cbuff; + /* print vendor */ + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "sep - vendor iv for AES\n"); + cptr = (unsigned char *)aes_internal->aes_ctx_iv; + for (ct1 = 0; ct1 < crypto_ablkcipher_ivsize(tfm); ct1 += 1) + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "%02x\n", *(cptr + ct1)); + + /* print walk */ + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "sep - walk from kernel crypto iv for AES\n"); + cptr = (unsigned char *)ta_ctx->walk.iv; + for (ct1 = 0; ct1 < crypto_ablkcipher_ivsize(tfm); ct1 += 1) + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "%02x\n", *(cptr + ct1)); + } +} + +/** + * RFC2451: Weak key check + * Returns: 1 (weak), 0 (not weak) + */ +static int sep_weak_key(const u8 *key, unsigned int keylen) +{ + static const u8 parity[] = { + 8, 1, 0, 8, 0, 8, 8, 0, 0, 8, 8, 0, 8, 0, 2, 8, + 0, 8, 8, 0, 8, 0, 0, 8, 8, + 0, 0, 8, 0, 8, 8, 3, + 0, 8, 8, 0, 8, 0, 0, 8, 8, 0, 0, 8, 0, 8, 8, 0, + 8, 0, 0, 8, 0, 8, 8, 0, 0, + 8, 8, 0, 8, 0, 0, 8, + 0, 8, 8, 0, 8, 0, 0, 8, 8, 0, 0, 8, 0, 8, 8, 0, + 8, 0, 0, 8, 0, 8, 8, 0, 0, + 8, 8, 0, 8, 0, 0, 8, + 8, 0, 0, 8, 0, 8, 8, 0, 0, 8, 8, 0, 8, 0, 0, 8, + 0, 8, 8, 0, 8, 0, 0, 8, 8, + 0, 0, 8, 0, 8, 8, 0, + 0, 8, 8, 0, 8, 0, 0, 8, 8, 0, 0, 8, 0, 8, 8, 0, + 8, 0, 0, 8, 0, 8, 8, 0, 0, + 8, 8, 0, 8, 0, 0, 8, + 8, 0, 0, 8, 0, 8, 8, 0, 0, 8, 8, 0, 8, 0, 0, 8, + 0, 8, 8, 0, 8, 0, 0, 8, 8, + 0, 0, 8, 0, 8, 8, 0, + 8, 0, 0, 8, 0, 8, 8, 0, 0, 8, 8, 0, 8, 0, 0, 8, + 0, 8, 8, 0, 8, 0, 0, 8, 8, + 0, 0, 8, 0, 8, 8, 0, + 4, 8, 8, 0, 8, 0, 0, 8, 8, 0, 0, 8, 0, 8, 8, 0, + 8, 5, 0, 8, 0, 8, 8, 0, 0, + 8, 8, 0, 8, 0, 6, 8, + }; + + u32 n, w; + + n = parity[key[0]]; n <<= 4; + n |= parity[key[1]]; n <<= 4; + n |= parity[key[2]]; n <<= 4; + n |= parity[key[3]]; n <<= 4; + n |= parity[key[4]]; n <<= 4; + n |= parity[key[5]]; n <<= 4; + n |= parity[key[6]]; n <<= 4; + n |= parity[key[7]]; + w = 0x88888888L; + + /* 1 in 10^10 keys passes this test */ + if (!((n - (w >> 3)) & w)) { + if (n < 0x41415151) { + if (n < 0x31312121) { + if (n < 0x14141515) { + /* 01 01 01 01 01 01 01 01 */ + if (n == 0x11111111) + goto weak; + /* 01 1F 01 1F 01 0E 01 0E */ + if (n == 0x13131212) + goto weak; + } else { + /* 01 E0 01 E0 01 F1 01 F1 */ + if (n == 0x14141515) + goto weak; + /* 01 FE 01 FE 01 FE 01 FE */ + if (n == 0x16161616) + goto weak; + } + } else { + if (n < 0x34342525) { + /* 1F 01 1F 01 0E 01 0E 01 */ + if (n == 0x31312121) + goto weak; + /* 1F 1F 1F 1F 0E 0E 0E 0E (?) */ + if (n == 0x33332222) + goto weak; + } else { + /* 1F E0 1F E0 0E F1 0E F1 */ + if (n == 0x34342525) + goto weak; + /* 1F FE 1F FE 0E FE 0E FE */ + if (n == 0x36362626) + goto weak; + } + } + } else { + if (n < 0x61616161) { + if (n < 0x44445555) { + /* E0 01 E0 01 F1 01 F1 01 */ + if (n == 0x41415151) + goto weak; + /* E0 1F E0 1F F1 0E F1 0E */ + if (n == 0x43435252) + goto weak; + } else { + /* E0 E0 E0 E0 F1 F1 F1 F1 (?) */ + if (n == 0x44445555) + goto weak; + /* E0 FE E0 FE F1 FE F1 FE */ + if (n == 0x46465656) + goto weak; + } + } else { + if (n < 0x64646565) { + /* FE 01 FE 01 FE 01 FE 01 */ + if (n == 0x61616161) + goto weak; + /* FE 1F FE 1F FE 0E FE 0E */ + if (n == 0x63636262) + goto weak; + } else { + /* FE E0 FE E0 FE F1 FE F1 */ + if (n == 0x64646565) + goto weak; + /* FE FE FE FE FE FE FE FE */ + if (n == 0x66666666) + goto weak; + } + } + } + } + return 0; +weak: + return 1; +} +/** + * sep_sg_nents + */ +static u32 sep_sg_nents(struct scatterlist *sg) +{ + u32 ct1 = 0; + while (sg) { + ct1 += 1; + sg = sg_next(sg); + } + + return ct1; +} + +/** + * sep_start_msg - + * @ta_ctx: pointer to struct this_task_ctx + * @returns: offset to place for the next word in the message + * Set up pointer in message pool for new message + */ +static u32 sep_start_msg(struct this_task_ctx *ta_ctx) +{ + u32 *word_ptr; + ta_ctx->msg_len_words = 2; + ta_ctx->msgptr = ta_ctx->msg; + memset(ta_ctx->msg, 0, SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES); + ta_ctx->msgptr += sizeof(u32) * 2; + word_ptr = (u32 *)ta_ctx->msgptr; + *word_ptr = SEP_START_MSG_TOKEN; + return sizeof(u32) * 2; +} + +/** + * sep_end_msg - + * @ta_ctx: pointer to struct this_task_ctx + * @messages_offset: current message offset + * Returns: 0 for success; <0 otherwise + * End message; set length and CRC; and + * send interrupt to the SEP + */ +static void sep_end_msg(struct this_task_ctx *ta_ctx, u32 msg_offset) +{ + u32 *word_ptr; + /* Msg size goes into msg after token */ + ta_ctx->msg_len_words = msg_offset / sizeof(u32) + 1; + word_ptr = (u32 *)ta_ctx->msgptr; + word_ptr += 1; + *word_ptr = ta_ctx->msg_len_words; + + /* CRC (currently 0) goes at end of msg */ + word_ptr = (u32 *)(ta_ctx->msgptr + msg_offset); + *word_ptr = 0; +} + +/** + * sep_start_inbound_msg - + * @ta_ctx: pointer to struct this_task_ctx + * @msg_offset: offset to place for the next word in the message + * @returns: 0 for success; error value for failure + * Set up pointer in message pool for inbound message + */ +static u32 sep_start_inbound_msg(struct this_task_ctx *ta_ctx, u32 *msg_offset) +{ + u32 *word_ptr; + u32 token; + u32 error = SEP_OK; + + *msg_offset = sizeof(u32) * 2; + word_ptr = (u32 *)ta_ctx->msgptr; + token = *word_ptr; + ta_ctx->msg_len_words = *(word_ptr + 1); + + if (token != SEP_START_MSG_TOKEN) { + error = SEP_INVALID_START; + goto end_function; + } + +end_function: + + return error; +} + +/** + * sep_write_msg - + * @ta_ctx: pointer to struct this_task_ctx + * @in_addr: pointer to start of parameter + * @size: size of parameter to copy (in bytes) + * @max_size: size to move up offset; SEP mesg is in word sizes + * @msg_offset: pointer to current offset (is updated) + * @byte_array: flag ti indicate wheter endian must be changed + * Copies data into the message area from caller + */ +static void sep_write_msg(struct this_task_ctx *ta_ctx, void *in_addr, + u32 size, u32 max_size, u32 *msg_offset, u32 byte_array) +{ + u32 *word_ptr; + void *void_ptr; + void_ptr = ta_ctx->msgptr + *msg_offset; + word_ptr = (u32 *)void_ptr; + memcpy(void_ptr, in_addr, size); + *msg_offset += max_size; + + /* Do we need to manipulate endian? */ + if (byte_array) { + u32 i; + for (i = 0; i < ((size + 3) / 4); i += 1) + *(word_ptr + i) = CHG_ENDIAN(*(word_ptr + i)); + } +} + +/** + * sep_make_header + * @ta_ctx: pointer to struct this_task_ctx + * @msg_offset: pointer to current offset (is updated) + * @op_code: op code to put into message + * Puts op code into message and updates offset + */ +static void sep_make_header(struct this_task_ctx *ta_ctx, u32 *msg_offset, + u32 op_code) +{ + u32 *word_ptr; + + *msg_offset = sep_start_msg(ta_ctx); + word_ptr = (u32 *)(ta_ctx->msgptr + *msg_offset); + *word_ptr = op_code; + *msg_offset += sizeof(u32); +} + + + +/** + * sep_read_msg - + * @ta_ctx: pointer to struct this_task_ctx + * @in_addr: pointer to start of parameter + * @size: size of parameter to copy (in bytes) + * @max_size: size to move up offset; SEP mesg is in word sizes + * @msg_offset: pointer to current offset (is updated) + * @byte_array: flag ti indicate wheter endian must be changed + * Copies data out of the message area to caller + */ +static void sep_read_msg(struct this_task_ctx *ta_ctx, void *in_addr, + u32 size, u32 max_size, u32 *msg_offset, u32 byte_array) +{ + u32 *word_ptr; + void *void_ptr; + void_ptr = ta_ctx->msgptr + *msg_offset; + word_ptr = (u32 *)void_ptr; + + /* Do we need to manipulate endian? */ + if (byte_array) { + u32 i; + for (i = 0; i < ((size + 3) / 4); i += 1) + *(word_ptr + i) = CHG_ENDIAN(*(word_ptr + i)); + } + + memcpy(in_addr, void_ptr, size); + *msg_offset += max_size; +} + +/** + * sep_verify_op - + * @ta_ctx: pointer to struct this_task_ctx + * @op_code: expected op_code + * @msg_offset: pointer to current offset (is updated) + * @returns: 0 for success; error for failure + */ +static u32 sep_verify_op(struct this_task_ctx *ta_ctx, u32 op_code, + u32 *msg_offset) +{ + u32 error; + u32 in_ary[2]; + + struct sep_device *sep = ta_ctx->sep_used; + + dev_dbg(&sep->pdev->dev, "dumping return message\n"); + error = sep_start_inbound_msg(ta_ctx, msg_offset); + if (error) { + dev_warn(&sep->pdev->dev, + "sep_start_inbound_msg error\n"); + return error; + } + + sep_read_msg(ta_ctx, in_ary, sizeof(u32) * 2, sizeof(u32) * 2, + msg_offset, 0); + + if (in_ary[0] != op_code) { + dev_warn(&sep->pdev->dev, + "sep got back wrong opcode\n"); + dev_warn(&sep->pdev->dev, + "got back %x; expected %x\n", + in_ary[0], op_code); + return SEP_WRONG_OPCODE; + } + + if (in_ary[1] != SEP_OK) { + dev_warn(&sep->pdev->dev, + "sep execution error\n"); + dev_warn(&sep->pdev->dev, + "got back %x; expected %x\n", + in_ary[1], SEP_OK); + return in_ary[0]; + } + +return 0; +} + +/** + * sep_read_context - + * @ta_ctx: pointer to struct this_task_ctx + * @msg_offset: point to current place in SEP msg; is updated + * @dst: pointer to place to put the context + * @len: size of the context structure (differs for crypro/hash) + * This function reads the context from the msg area + * There is a special way the vendor needs to have the maximum + * length calculated so that the msg_offset is updated properly; + * it skips over some words in the msg area depending on the size + * of the context + */ +static void sep_read_context(struct this_task_ctx *ta_ctx, u32 *msg_offset, + void *dst, u32 len) +{ + u32 max_length = ((len + 3) / sizeof(u32)) * sizeof(u32); + sep_read_msg(ta_ctx, dst, len, max_length, msg_offset, 0); +} + +/** + * sep_write_context - + * @ta_ctx: pointer to struct this_task_ctx + * @msg_offset: point to current place in SEP msg; is updated + * @src: pointer to the current context + * @len: size of the context structure (differs for crypro/hash) + * This function writes the context to the msg area + * There is a special way the vendor needs to have the maximum + * length calculated so that the msg_offset is updated properly; + * it skips over some words in the msg area depending on the size + * of the context + */ +static void sep_write_context(struct this_task_ctx *ta_ctx, u32 *msg_offset, + void *src, u32 len) +{ + u32 max_length = ((len + 3) / sizeof(u32)) * sizeof(u32); + sep_write_msg(ta_ctx, src, len, max_length, msg_offset, 0); +} + +/** + * sep_clear_out - + * @ta_ctx: pointer to struct this_task_ctx + * Clear out crypto related values in sep device structure + * to enable device to be used by anyone; either kernel + * crypto or userspace app via middleware + */ +static void sep_clear_out(struct this_task_ctx *ta_ctx) +{ + if (ta_ctx->src_sg_hold) { + sep_free_sg_buf(ta_ctx->src_sg_hold); + ta_ctx->src_sg_hold = NULL; + } + + if (ta_ctx->dst_sg_hold) { + sep_free_sg_buf(ta_ctx->dst_sg_hold); + ta_ctx->dst_sg_hold = NULL; + } + + ta_ctx->src_sg = NULL; + ta_ctx->dst_sg = NULL; + + sep_free_dma_table_data_handler(ta_ctx->sep_used, &ta_ctx->dma_ctx); + + if (ta_ctx->i_own_sep) { + /** + * The following unlocks the sep and makes it available + * to any other application + * First, null out crypto entries in sep before relesing it + */ + ta_ctx->sep_used->current_hash_req = NULL; + ta_ctx->sep_used->current_cypher_req = NULL; + ta_ctx->sep_used->current_request = 0; + ta_ctx->sep_used->current_hash_stage = 0; + ta_ctx->sep_used->ta_ctx = NULL; + ta_ctx->sep_used->in_kernel = 0; + + ta_ctx->call_status.status = 0; + + /* Remove anything confidentail */ + memset(ta_ctx->sep_used->shared_addr, 0, + SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES); + + sep_queue_status_remove(ta_ctx->sep_used, &ta_ctx->queue_elem); + +#ifdef SEP_ENABLE_RUNTIME_PM + ta_ctx->sep_used->in_use = 0; + pm_runtime_mark_last_busy(&ta_ctx->sep_used->pdev->dev); + pm_runtime_put_autosuspend(&ta_ctx->sep_used->pdev->dev); +#endif + + clear_bit(SEP_WORKING_LOCK_BIT, + &ta_ctx->sep_used->in_use_flags); + ta_ctx->sep_used->pid_doing_transaction = 0; + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "[PID%d] waking up next transaction\n", + current->pid); + + clear_bit(SEP_TRANSACTION_STARTED_LOCK_BIT, + &ta_ctx->sep_used->in_use_flags); + wake_up(&ta_ctx->sep_used->event_transactions); + + ta_ctx->i_own_sep = 0; + } +} + +/** + * Release crypto infrastructure from EINPROGRESS and + * clear sep_dev so that SEP is available to anyone + */ +static void sep_crypto_release(struct sep_system_ctx *sctx, + struct this_task_ctx *ta_ctx, u32 error) +{ + struct ahash_request *hash_req = ta_ctx->current_hash_req; + struct ablkcipher_request *cypher_req = + ta_ctx->current_cypher_req; + struct sep_device *sep = ta_ctx->sep_used; + + sep_clear_out(ta_ctx); + + /** + * This may not yet exist depending when we + * chose to bail out. If it does exist, set + * it to 1 + */ + if (ta_ctx->are_we_done_yet != NULL) + *ta_ctx->are_we_done_yet = 1; + + if (cypher_req != NULL) { + if ((sctx->key_sent == 1) || + ((error != 0) && (error != -EINPROGRESS))) { + if (cypher_req->base.complete == NULL) { + dev_dbg(&sep->pdev->dev, + "release is null for cypher!"); + } else { + cypher_req->base.complete( + &cypher_req->base, error); + } + } + } + + if (hash_req != NULL) { + if (hash_req->base.complete == NULL) { + dev_dbg(&sep->pdev->dev, + "release is null for hash!"); + } else { + hash_req->base.complete( + &hash_req->base, error); + } + } +} + +/** + * This is where we grab the sep itself and tell it to do something. + * It will sleep if the sep is currently busy + * and it will return 0 if sep is now ours; error value if there + * were problems + */ +static int sep_crypto_take_sep(struct this_task_ctx *ta_ctx) +{ + struct sep_device *sep = ta_ctx->sep_used; + int result; + struct sep_msgarea_hdr *my_msg_header; + + my_msg_header = (struct sep_msgarea_hdr *)ta_ctx->msg; + + /* add to status queue */ + ta_ctx->queue_elem = sep_queue_status_add(sep, my_msg_header->opcode, + ta_ctx->nbytes, current->pid, + current->comm, sizeof(current->comm)); + + if (!ta_ctx->queue_elem) { + dev_dbg(&sep->pdev->dev, "[PID%d] updating queue" + " status error\n", current->pid); + return -EINVAL; + } + + /* get the device; this can sleep */ + result = sep_wait_transaction(sep); + if (result) + return result; + + if (sep_dev->power_save_setup == 1) + pm_runtime_get_sync(&sep_dev->pdev->dev); + + /* Copy in the message */ + memcpy(sep->shared_addr, ta_ctx->msg, + SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES); + + /* Copy in the dcb information if there is any */ + if (ta_ctx->dcb_region) { + result = sep_activate_dcb_dmatables_context(sep, + &ta_ctx->dcb_region, &ta_ctx->dmatables_region, + ta_ctx->dma_ctx); + if (result) + return result; + } + + /* Mark the device so we know how to finish the job in the tasklet */ + if (ta_ctx->current_hash_req) + sep->current_hash_req = ta_ctx->current_hash_req; + else + sep->current_cypher_req = ta_ctx->current_cypher_req; + + sep->current_request = ta_ctx->current_request; + sep->current_hash_stage = ta_ctx->current_hash_stage; + sep->ta_ctx = ta_ctx; + sep->in_kernel = 1; + ta_ctx->i_own_sep = 1; + + /* need to set bit first to avoid race condition with interrupt */ + set_bit(SEP_LEGACY_SENDMSG_DONE_OFFSET, &ta_ctx->call_status.status); + + result = sep_send_command_handler(sep); + + dev_dbg(&sep->pdev->dev, "[PID%d]: sending command to the sep\n", + current->pid); + + if (!result) + dev_dbg(&sep->pdev->dev, "[PID%d]: command sent okay\n", + current->pid); + else { + dev_dbg(&sep->pdev->dev, "[PID%d]: cant send command\n", + current->pid); + clear_bit(SEP_LEGACY_SENDMSG_DONE_OFFSET, + &ta_ctx->call_status.status); + } + + return result; +} + +/** + * This function sets things up for a crypto data block process + * This does all preparation, but does not try to grab the + * sep + * @req: pointer to struct ablkcipher_request + * returns: 0 if all went well, non zero if error + */ +static int sep_crypto_block_data(struct ablkcipher_request *req) +{ + + int int_error; + u32 msg_offset; + static u32 msg[10]; + void *src_ptr; + void *dst_ptr; + + static char small_buf[100]; + ssize_t copy_result; + int result; + + struct scatterlist *new_sg; + struct this_task_ctx *ta_ctx; + struct crypto_ablkcipher *tfm; + struct sep_system_ctx *sctx; + + struct sep_des_internal_context *des_internal; + struct sep_aes_internal_context *aes_internal; + + ta_ctx = ablkcipher_request_ctx(req); + tfm = crypto_ablkcipher_reqtfm(req); + sctx = crypto_ablkcipher_ctx(tfm); + + /* start the walk on scatterlists */ + ablkcipher_walk_init(&ta_ctx->walk, req->src, req->dst, req->nbytes); + dev_dbg(&ta_ctx->sep_used->pdev->dev, "sep crypto block data size of %x\n", + req->nbytes); + + int_error = ablkcipher_walk_phys(req, &ta_ctx->walk); + if (int_error) { + dev_warn(&ta_ctx->sep_used->pdev->dev, "walk phys error %x\n", + int_error); + return -ENOMEM; + } + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "crypto block: src is %lx dst is %lx\n", + (unsigned long)req->src, (unsigned long)req->dst); + + /* Make sure all pages are even block */ + int_error = sep_oddball_pages(ta_ctx->sep_used, req->src, + req->nbytes, ta_ctx->walk.blocksize, &new_sg, 1); + + if (int_error < 0) { + dev_warn(&ta_ctx->sep_used->pdev->dev, "oddball page eerror\n"); + return -ENOMEM; + } else if (int_error == 1) { + ta_ctx->src_sg = new_sg; + ta_ctx->src_sg_hold = new_sg; + } else { + ta_ctx->src_sg = req->src; + ta_ctx->src_sg_hold = NULL; + } + + int_error = sep_oddball_pages(ta_ctx->sep_used, req->dst, + req->nbytes, ta_ctx->walk.blocksize, &new_sg, 0); + + if (int_error < 0) { + dev_warn(&ta_ctx->sep_used->pdev->dev, "walk phys error %x\n", + int_error); + return -ENOMEM; + } else if (int_error == 1) { + ta_ctx->dst_sg = new_sg; + ta_ctx->dst_sg_hold = new_sg; + } else { + ta_ctx->dst_sg = req->dst; + ta_ctx->dst_sg_hold = NULL; + } + + /* set nbytes for queue status */ + ta_ctx->nbytes = req->nbytes; + + /* Key already done; this is for data */ + dev_dbg(&ta_ctx->sep_used->pdev->dev, "sending data\n"); + + sep_dump_sg(ta_ctx->sep_used, + "block sg in", ta_ctx->src_sg); + + /* check for valid data and proper spacing */ + src_ptr = sg_virt(ta_ctx->src_sg); + dst_ptr = sg_virt(ta_ctx->dst_sg); + + if (!src_ptr || !dst_ptr || + (ta_ctx->current_cypher_req->nbytes % + crypto_ablkcipher_blocksize(tfm))) { + + dev_warn(&ta_ctx->sep_used->pdev->dev, + "cipher block size odd\n"); + dev_warn(&ta_ctx->sep_used->pdev->dev, + "cipher block size is %x\n", + crypto_ablkcipher_blocksize(tfm)); + dev_warn(&ta_ctx->sep_used->pdev->dev, + "cipher data size is %x\n", + ta_ctx->current_cypher_req->nbytes); + return -EINVAL; + } + + if (partial_overlap(src_ptr, dst_ptr, + ta_ctx->current_cypher_req->nbytes)) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "block partial overlap\n"); + return -EINVAL; + } + + /* Put together the message */ + sep_make_header(ta_ctx, &msg_offset, ta_ctx->block_opcode); + + /* If des, and size is 1 block, put directly in msg */ + if ((ta_ctx->block_opcode == SEP_DES_BLOCK_OPCODE) && + (req->nbytes == crypto_ablkcipher_blocksize(tfm))) { + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "writing out one block des\n"); + + copy_result = sg_copy_to_buffer( + ta_ctx->src_sg, sep_sg_nents(ta_ctx->src_sg), + small_buf, crypto_ablkcipher_blocksize(tfm)); + + if (copy_result != crypto_ablkcipher_blocksize(tfm)) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "des block copy faild\n"); + return -ENOMEM; + } + + /* Put data into message */ + sep_write_msg(ta_ctx, small_buf, + crypto_ablkcipher_blocksize(tfm), + crypto_ablkcipher_blocksize(tfm) * 2, + &msg_offset, 1); + + /* Put size into message */ + sep_write_msg(ta_ctx, &req->nbytes, + sizeof(u32), sizeof(u32), &msg_offset, 0); + } else { + /* Otherwise, fill out dma tables */ + ta_ctx->dcb_input_data.app_in_address = src_ptr; + ta_ctx->dcb_input_data.data_in_size = req->nbytes; + ta_ctx->dcb_input_data.app_out_address = dst_ptr; + ta_ctx->dcb_input_data.block_size = + crypto_ablkcipher_blocksize(tfm); + ta_ctx->dcb_input_data.tail_block_size = 0; + ta_ctx->dcb_input_data.is_applet = 0; + ta_ctx->dcb_input_data.src_sg = ta_ctx->src_sg; + ta_ctx->dcb_input_data.dst_sg = ta_ctx->dst_sg; + + result = sep_create_dcb_dmatables_context_kernel( + ta_ctx->sep_used, + &ta_ctx->dcb_region, + &ta_ctx->dmatables_region, + &ta_ctx->dma_ctx, + &ta_ctx->dcb_input_data, + 1); + if (result) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "crypto dma table create failed\n"); + return -EINVAL; + } + + /* Portion of msg is nulled (no data) */ + msg[0] = (u32)0; + msg[1] = (u32)0; + msg[2] = (u32)0; + msg[3] = (u32)0; + msg[4] = (u32)0; + sep_write_msg(ta_ctx, (void *)msg, sizeof(u32) * 5, + sizeof(u32) * 5, &msg_offset, 0); + } + + /** + * Before we write the message, we need to overwrite the + * vendor's IV with the one from our own ablkcipher walk + * iv because this is needed for dm-crypt + */ + sep_dump_ivs(req, "sending data block to sep\n"); + if ((ta_ctx->current_request == DES_CBC) && + (ta_ctx->des_opmode == SEP_DES_CBC)) { + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "overwrite vendor iv on DES\n"); + des_internal = (struct sep_des_internal_context *) + sctx->des_private_ctx.ctx_buf; + memcpy((void *)des_internal->iv_context, + ta_ctx->walk.iv, crypto_ablkcipher_ivsize(tfm)); + } else if ((ta_ctx->current_request == AES_CBC) && + (ta_ctx->aes_opmode == SEP_AES_CBC)) { + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "overwrite vendor iv on AES\n"); + aes_internal = (struct sep_aes_internal_context *) + sctx->aes_private_ctx.cbuff; + memcpy((void *)aes_internal->aes_ctx_iv, + ta_ctx->walk.iv, crypto_ablkcipher_ivsize(tfm)); + } + + /* Write context into message */ + if (ta_ctx->block_opcode == SEP_DES_BLOCK_OPCODE) { + sep_write_context(ta_ctx, &msg_offset, + &sctx->des_private_ctx, + sizeof(struct sep_des_private_context)); + sep_dump(ta_ctx->sep_used, "ctx to block des", + &sctx->des_private_ctx, 40); + } else { + sep_write_context(ta_ctx, &msg_offset, + &sctx->aes_private_ctx, + sizeof(struct sep_aes_private_context)); + sep_dump(ta_ctx->sep_used, "ctx to block aes", + &sctx->aes_private_ctx, 20); + } + + /* conclude message */ + sep_end_msg(ta_ctx, msg_offset); + + /* Parent (caller) is now ready to tell the sep to do ahead */ + return 0; +} + + +/** + * This function sets things up for a crypto key submit process + * This does all preparation, but does not try to grab the + * sep + * @req: pointer to struct ablkcipher_request + * returns: 0 if all went well, non zero if error + */ +static int sep_crypto_send_key(struct ablkcipher_request *req) +{ + + int int_error; + u32 msg_offset; + static u32 msg[10]; + + u32 max_length; + struct this_task_ctx *ta_ctx; + struct crypto_ablkcipher *tfm; + struct sep_system_ctx *sctx; + + ta_ctx = ablkcipher_request_ctx(req); + tfm = crypto_ablkcipher_reqtfm(req); + sctx = crypto_ablkcipher_ctx(tfm); + + dev_dbg(&ta_ctx->sep_used->pdev->dev, "sending key\n"); + + /* start the walk on scatterlists */ + ablkcipher_walk_init(&ta_ctx->walk, req->src, req->dst, req->nbytes); + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "sep crypto block data size of %x\n", req->nbytes); + + int_error = ablkcipher_walk_phys(req, &ta_ctx->walk); + if (int_error) { + dev_warn(&ta_ctx->sep_used->pdev->dev, "walk phys error %x\n", + int_error); + return -ENOMEM; + } + + /* check iv */ + if ((ta_ctx->current_request == DES_CBC) && + (ta_ctx->des_opmode == SEP_DES_CBC)) { + if (!ta_ctx->walk.iv) { + dev_warn(&ta_ctx->sep_used->pdev->dev, "no iv found\n"); + return -EINVAL; + } + + memcpy(ta_ctx->iv, ta_ctx->walk.iv, SEP_DES_IV_SIZE_BYTES); + sep_dump(ta_ctx->sep_used, "iv", + ta_ctx->iv, SEP_DES_IV_SIZE_BYTES); + } + + if ((ta_ctx->current_request == AES_CBC) && + (ta_ctx->aes_opmode == SEP_AES_CBC)) { + if (!ta_ctx->walk.iv) { + dev_warn(&ta_ctx->sep_used->pdev->dev, "no iv found\n"); + return -EINVAL; + } + + memcpy(ta_ctx->iv, ta_ctx->walk.iv, SEP_AES_IV_SIZE_BYTES); + sep_dump(ta_ctx->sep_used, "iv", + ta_ctx->iv, SEP_AES_IV_SIZE_BYTES); + } + + /* put together message to SEP */ + /* Start with op code */ + sep_make_header(ta_ctx, &msg_offset, ta_ctx->init_opcode); + + /* now deal with IV */ + if (ta_ctx->init_opcode == SEP_DES_INIT_OPCODE) { + if (ta_ctx->des_opmode == SEP_DES_CBC) { + sep_write_msg(ta_ctx, ta_ctx->iv, + SEP_DES_IV_SIZE_BYTES, sizeof(u32) * 4, + &msg_offset, 1); + sep_dump(ta_ctx->sep_used, "initial IV", + ta_ctx->walk.iv, SEP_DES_IV_SIZE_BYTES); + } else { + /* Skip if ECB */ + msg_offset += 4 * sizeof(u32); + } + } else { + max_length = ((SEP_AES_IV_SIZE_BYTES + 3) / + sizeof(u32)) * sizeof(u32); + if (ta_ctx->aes_opmode == SEP_AES_CBC) { + sep_write_msg(ta_ctx, ta_ctx->iv, + SEP_AES_IV_SIZE_BYTES, max_length, + &msg_offset, 1); + sep_dump(ta_ctx->sep_used, "initial IV", + ta_ctx->walk.iv, SEP_AES_IV_SIZE_BYTES); + } else { + /* Skip if ECB */ + msg_offset += max_length; + } + } + + /* load the key */ + if (ta_ctx->init_opcode == SEP_DES_INIT_OPCODE) { + sep_write_msg(ta_ctx, (void *)&sctx->key.des.key1, + sizeof(u32) * 8, sizeof(u32) * 8, + &msg_offset, 1); + + msg[0] = (u32)sctx->des_nbr_keys; + msg[1] = (u32)ta_ctx->des_encmode; + msg[2] = (u32)ta_ctx->des_opmode; + + sep_write_msg(ta_ctx, (void *)msg, + sizeof(u32) * 3, sizeof(u32) * 3, + &msg_offset, 0); + } else { + sep_write_msg(ta_ctx, (void *)&sctx->key.aes, + sctx->keylen, + SEP_AES_MAX_KEY_SIZE_BYTES, + &msg_offset, 1); + + msg[0] = (u32)sctx->aes_key_size; + msg[1] = (u32)ta_ctx->aes_encmode; + msg[2] = (u32)ta_ctx->aes_opmode; + msg[3] = (u32)0; /* Secret key is not used */ + sep_write_msg(ta_ctx, (void *)msg, + sizeof(u32) * 4, sizeof(u32) * 4, + &msg_offset, 0); + } + + /* conclude message */ + sep_end_msg(ta_ctx, msg_offset); + + /* Parent (caller) is now ready to tell the sep to do ahead */ + return 0; +} + + +/* This needs to be run as a work queue as it can be put asleep */ +static void sep_crypto_block(void *data) +{ + unsigned long end_time; + + int result; + + struct ablkcipher_request *req; + struct this_task_ctx *ta_ctx; + struct crypto_ablkcipher *tfm; + struct sep_system_ctx *sctx; + int are_we_done_yet; + + req = (struct ablkcipher_request *)data; + ta_ctx = ablkcipher_request_ctx(req); + tfm = crypto_ablkcipher_reqtfm(req); + sctx = crypto_ablkcipher_ctx(tfm); + + ta_ctx->are_we_done_yet = &are_we_done_yet; + + pr_debug("sep_crypto_block\n"); + pr_debug("tfm is %p sctx is %p ta_ctx is %p\n", + tfm, sctx, ta_ctx); + pr_debug("key_sent is %d\n", sctx->key_sent); + + /* do we need to send the key */ + if (sctx->key_sent == 0) { + are_we_done_yet = 0; + result = sep_crypto_send_key(req); /* prep to send key */ + if (result != 0) { + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "could not prep key %x\n", result); + sep_crypto_release(sctx, ta_ctx, result); + return; + } + + result = sep_crypto_take_sep(ta_ctx); + if (result) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "sep_crypto_take_sep for key send failed\n"); + sep_crypto_release(sctx, ta_ctx, result); + return; + } + + /* now we sit and wait up to a fixed time for completion */ + end_time = jiffies + (WAIT_TIME * HZ); + while ((time_before(jiffies, end_time)) && + (are_we_done_yet == 0)) + schedule(); + + /* Done waiting; still not done yet? */ + if (are_we_done_yet == 0) { + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "Send key job never got done\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + return; + } + + /* Set the key sent variable so this can be skipped later */ + sctx->key_sent = 1; + } + + /* Key sent (or maybe not if we did not have to), now send block */ + are_we_done_yet = 0; + + result = sep_crypto_block_data(req); + + if (result != 0) { + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "could prep not send block %x\n", result); + sep_crypto_release(sctx, ta_ctx, result); + return; + } + + result = sep_crypto_take_sep(ta_ctx); + if (result) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "sep_crypto_take_sep for block send failed\n"); + sep_crypto_release(sctx, ta_ctx, result); + return; + } + + /* now we sit and wait up to a fixed time for completion */ + end_time = jiffies + (WAIT_TIME * HZ); + while ((time_before(jiffies, end_time)) && (are_we_done_yet == 0)) + schedule(); + + /* Done waiting; still not done yet? */ + if (are_we_done_yet == 0) { + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "Send block job never got done\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + return; + } + + /* That's it; entire thing done, get out of queue */ + + pr_debug("crypto_block leaving\n"); + pr_debug("tfm is %p sctx is %p ta_ctx is %p\n", tfm, sctx, ta_ctx); +} + +/** + * Post operation (after interrupt) for crypto block + */ +static u32 crypto_post_op(struct sep_device *sep) +{ + /* HERE */ + u32 u32_error; + u32 msg_offset; + + ssize_t copy_result; + static char small_buf[100]; + + struct ablkcipher_request *req; + struct this_task_ctx *ta_ctx; + struct sep_system_ctx *sctx; + struct crypto_ablkcipher *tfm; + + struct sep_des_internal_context *des_internal; + struct sep_aes_internal_context *aes_internal; + + if (!sep->current_cypher_req) + return -EINVAL; + + /* hold req since we need to submit work after clearing sep */ + req = sep->current_cypher_req; + + ta_ctx = ablkcipher_request_ctx(sep->current_cypher_req); + tfm = crypto_ablkcipher_reqtfm(sep->current_cypher_req); + sctx = crypto_ablkcipher_ctx(tfm); + + pr_debug("crypto_post op\n"); + pr_debug("key_sent is %d tfm is %p sctx is %p ta_ctx is %p\n", + sctx->key_sent, tfm, sctx, ta_ctx); + + dev_dbg(&ta_ctx->sep_used->pdev->dev, "crypto post_op\n"); + dev_dbg(&ta_ctx->sep_used->pdev->dev, "crypto post_op message dump\n"); + crypto_sep_dump_message(ta_ctx->sep_used, ta_ctx->msg); + + /* first bring msg from shared area to local area */ + memcpy(ta_ctx->msg, sep->shared_addr, + SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES); + + /* Is this the result of performing init (key to SEP */ + if (sctx->key_sent == 0) { + + /* Did SEP do it okay */ + u32_error = sep_verify_op(ta_ctx, ta_ctx->init_opcode, + &msg_offset); + if (u32_error) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "aes init error %x\n", u32_error); + sep_crypto_release(sctx, ta_ctx, u32_error); + return u32_error; + } + + /* Read Context */ + if (ta_ctx->init_opcode == SEP_DES_INIT_OPCODE) { + sep_read_context(ta_ctx, &msg_offset, + &sctx->des_private_ctx, + sizeof(struct sep_des_private_context)); + + sep_dump(ta_ctx->sep_used, "ctx init des", + &sctx->des_private_ctx, 40); + } else { + sep_read_context(ta_ctx, &msg_offset, + &sctx->aes_private_ctx, + sizeof(struct sep_aes_private_context)); + + sep_dump(ta_ctx->sep_used, "ctx init aes", + &sctx->aes_private_ctx, 20); + } + + sep_dump_ivs(req, "after sending key to sep\n"); + + /* key sent went okay; release sep, and set are_we_done_yet */ + sctx->key_sent = 1; + sep_crypto_release(sctx, ta_ctx, -EINPROGRESS); + + } else { + + /** + * This is the result of a block request + */ + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "crypto_post_op block response\n"); + + u32_error = sep_verify_op(ta_ctx, ta_ctx->block_opcode, + &msg_offset); + + if (u32_error) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "sep block error %x\n", u32_error); + sep_crypto_release(sctx, ta_ctx, u32_error); + return -EINVAL; + } + + if (ta_ctx->block_opcode == SEP_DES_BLOCK_OPCODE) { + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "post op for DES\n"); + + /* special case for 1 block des */ + if (sep->current_cypher_req->nbytes == + crypto_ablkcipher_blocksize(tfm)) { + + sep_read_msg(ta_ctx, small_buf, + crypto_ablkcipher_blocksize(tfm), + crypto_ablkcipher_blocksize(tfm) * 2, + &msg_offset, 1); + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "reading in block des\n"); + + copy_result = sg_copy_from_buffer( + ta_ctx->dst_sg, + sep_sg_nents(ta_ctx->dst_sg), + small_buf, + crypto_ablkcipher_blocksize(tfm)); + + if (copy_result != + crypto_ablkcipher_blocksize(tfm)) { + + dev_warn(&ta_ctx->sep_used->pdev->dev, + "des block copy faild\n"); + sep_crypto_release(sctx, ta_ctx, + -ENOMEM); + return -ENOMEM; + } + } + + /* Read Context */ + sep_read_context(ta_ctx, &msg_offset, + &sctx->des_private_ctx, + sizeof(struct sep_des_private_context)); + } else { + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "post op for AES\n"); + + /* Skip the MAC Output */ + msg_offset += (sizeof(u32) * 4); + + /* Read Context */ + sep_read_context(ta_ctx, &msg_offset, + &sctx->aes_private_ctx, + sizeof(struct sep_aes_private_context)); + } + + sep_dump_sg(ta_ctx->sep_used, + "block sg out", ta_ctx->dst_sg); + + /* Copy to correct sg if this block had oddball pages */ + if (ta_ctx->dst_sg_hold) + sep_copy_sg(ta_ctx->sep_used, + ta_ctx->dst_sg, + ta_ctx->current_cypher_req->dst, + ta_ctx->current_cypher_req->nbytes); + + /** + * Copy the iv's back to the walk.iv + * This is required for dm_crypt + */ + sep_dump_ivs(req, "got data block from sep\n"); + if ((ta_ctx->current_request == DES_CBC) && + (ta_ctx->des_opmode == SEP_DES_CBC)) { + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "returning result iv to walk on DES\n"); + des_internal = (struct sep_des_internal_context *) + sctx->des_private_ctx.ctx_buf; + memcpy(ta_ctx->walk.iv, + (void *)des_internal->iv_context, + crypto_ablkcipher_ivsize(tfm)); + } else if ((ta_ctx->current_request == AES_CBC) && + (ta_ctx->aes_opmode == SEP_AES_CBC)) { + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "returning result iv to walk on AES\n"); + aes_internal = (struct sep_aes_internal_context *) + sctx->aes_private_ctx.cbuff; + memcpy(ta_ctx->walk.iv, + (void *)aes_internal->aes_ctx_iv, + crypto_ablkcipher_ivsize(tfm)); + } + + /* finished, release everything */ + sep_crypto_release(sctx, ta_ctx, 0); + } + pr_debug("crypto_post_op done\n"); + pr_debug("key_sent is %d tfm is %p sctx is %p ta_ctx is %p\n", + sctx->key_sent, tfm, sctx, ta_ctx); + + return 0; +} + +static u32 hash_init_post_op(struct sep_device *sep) +{ + u32 u32_error; + u32 msg_offset; + struct crypto_ahash *tfm = crypto_ahash_reqtfm(sep->current_hash_req); + struct this_task_ctx *ta_ctx = ahash_request_ctx(sep->current_hash_req); + struct sep_system_ctx *sctx = crypto_ahash_ctx(tfm); + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "hash init post op\n"); + + /* first bring msg from shared area to local area */ + memcpy(ta_ctx->msg, sep->shared_addr, + SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES); + + u32_error = sep_verify_op(ta_ctx, SEP_HASH_INIT_OPCODE, + &msg_offset); + + if (u32_error) { + dev_warn(&ta_ctx->sep_used->pdev->dev, "hash init error %x\n", + u32_error); + sep_crypto_release(sctx, ta_ctx, u32_error); + return u32_error; + } + + /* Read Context */ + sep_read_context(ta_ctx, &msg_offset, + &sctx->hash_private_ctx, + sizeof(struct sep_hash_private_context)); + + /* Signal to crypto infrastructure and clear out */ + dev_dbg(&ta_ctx->sep_used->pdev->dev, "hash init post op done\n"); + sep_crypto_release(sctx, ta_ctx, 0); + return 0; +} + +static u32 hash_update_post_op(struct sep_device *sep) +{ + u32 u32_error; + u32 msg_offset; + struct crypto_ahash *tfm = crypto_ahash_reqtfm(sep->current_hash_req); + struct this_task_ctx *ta_ctx = ahash_request_ctx(sep->current_hash_req); + struct sep_system_ctx *sctx = crypto_ahash_ctx(tfm); + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "hash update post op\n"); + + /* first bring msg from shared area to local area */ + memcpy(ta_ctx->msg, sep->shared_addr, + SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES); + + u32_error = sep_verify_op(ta_ctx, SEP_HASH_UPDATE_OPCODE, + &msg_offset); + + if (u32_error) { + dev_warn(&ta_ctx->sep_used->pdev->dev, "hash init error %x\n", + u32_error); + sep_crypto_release(sctx, ta_ctx, u32_error); + return u32_error; + } + + /* Read Context */ + sep_read_context(ta_ctx, &msg_offset, + &sctx->hash_private_ctx, + sizeof(struct sep_hash_private_context)); + + /** + * Following is only for finup; if we just completd the + * data portion of finup, we now need to kick off the + * finish portion of finup. + */ + + if (ta_ctx->sep_used->current_hash_stage == HASH_FINUP_DATA) { + + /* first reset stage to HASH_FINUP_FINISH */ + ta_ctx->sep_used->current_hash_stage = HASH_FINUP_FINISH; + + /* now enqueue the finish operation */ + spin_lock_irq(&queue_lock); + u32_error = crypto_enqueue_request(&sep_queue, + &ta_ctx->sep_used->current_hash_req->base); + spin_unlock_irq(&queue_lock); + + if ((u32_error != 0) && (u32_error != -EINPROGRESS)) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "spe cypher post op cant queue\n"); + sep_crypto_release(sctx, ta_ctx, u32_error); + return u32_error; + } + + /* schedule the data send */ + u32_error = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + + if (u32_error) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "cant submit work sep_crypto_block\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + return -EINVAL; + } + } + + /* Signal to crypto infrastructure and clear out */ + dev_dbg(&ta_ctx->sep_used->pdev->dev, "hash update post op done\n"); + sep_crypto_release(sctx, ta_ctx, 0); + return 0; +} + +static u32 hash_final_post_op(struct sep_device *sep) +{ + int max_length; + u32 u32_error; + u32 msg_offset; + struct crypto_ahash *tfm = crypto_ahash_reqtfm(sep->current_hash_req); + struct sep_system_ctx *sctx = crypto_ahash_ctx(tfm); + struct this_task_ctx *ta_ctx = ahash_request_ctx(sep->current_hash_req); + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "hash final post op\n"); + + /* first bring msg from shared area to local area */ + memcpy(ta_ctx->msg, sep->shared_addr, + SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES); + + u32_error = sep_verify_op(ta_ctx, SEP_HASH_FINISH_OPCODE, + &msg_offset); + + if (u32_error) { + dev_warn(&ta_ctx->sep_used->pdev->dev, "hash finish error %x\n", + u32_error); + sep_crypto_release(sctx, ta_ctx, u32_error); + return u32_error; + } + + /* Grab the result */ + if (ta_ctx->current_hash_req->result == NULL) { + /* Oops, null buffer; error out here */ + dev_warn(&ta_ctx->sep_used->pdev->dev, + "hash finish null buffer\n"); + sep_crypto_release(sctx, ta_ctx, (u32)-ENOMEM); + return -ENOMEM; + } + + max_length = (((SEP_HASH_RESULT_SIZE_WORDS * sizeof(u32)) + 3) / + sizeof(u32)) * sizeof(u32); + + sep_read_msg(ta_ctx, + ta_ctx->current_hash_req->result, + crypto_ahash_digestsize(tfm), max_length, + &msg_offset, 0); + + /* Signal to crypto infrastructure and clear out */ + dev_dbg(&ta_ctx->sep_used->pdev->dev, "hash finish post op done\n"); + sep_crypto_release(sctx, ta_ctx, 0); + return 0; +} + +static u32 hash_digest_post_op(struct sep_device *sep) +{ + int max_length; + u32 u32_error; + u32 msg_offset; + struct crypto_ahash *tfm = crypto_ahash_reqtfm(sep->current_hash_req); + struct sep_system_ctx *sctx = crypto_ahash_ctx(tfm); + struct this_task_ctx *ta_ctx = ahash_request_ctx(sep->current_hash_req); + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "hash digest post op\n"); + + /* first bring msg from shared area to local area */ + memcpy(ta_ctx->msg, sep->shared_addr, + SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES); + + u32_error = sep_verify_op(ta_ctx, SEP_HASH_SINGLE_OPCODE, + &msg_offset); + + if (u32_error) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "hash digest finish error %x\n", u32_error); + + sep_crypto_release(sctx, ta_ctx, u32_error); + return u32_error; + } + + /* Grab the result */ + if (ta_ctx->current_hash_req->result == NULL) { + /* Oops, null buffer; error out here */ + dev_warn(&ta_ctx->sep_used->pdev->dev, + "hash digest finish null buffer\n"); + sep_crypto_release(sctx, ta_ctx, (u32)-ENOMEM); + return -ENOMEM; + } + + max_length = (((SEP_HASH_RESULT_SIZE_WORDS * sizeof(u32)) + 3) / + sizeof(u32)) * sizeof(u32); + + sep_read_msg(ta_ctx, + ta_ctx->current_hash_req->result, + crypto_ahash_digestsize(tfm), max_length, + &msg_offset, 0); + + /* Signal to crypto infrastructure and clear out */ + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "hash digest finish post op done\n"); + + sep_crypto_release(sctx, ta_ctx, 0); + return 0; +} + +/** + * The sep_finish function is the function that is schedule (via tasket) + * by the interrupt service routine when the SEP sends and interrupt + * This is only called by the interrupt handler as a tasklet. + */ +static void sep_finish(unsigned long data) +{ + struct sep_device *sep_dev; + int res; + + res = 0; + + if (data == 0) { + pr_debug("sep_finish called with null data\n"); + return; + } + + sep_dev = (struct sep_device *)data; + if (sep_dev == NULL) { + pr_debug("sep_finish; sep_dev is NULL\n"); + return; + } + + if (sep_dev->in_kernel == (u32)0) { + dev_warn(&sep_dev->pdev->dev, + "sep_finish; not in kernel operation\n"); + return; + } + + /* Did we really do a sep command prior to this? */ + if (0 == test_bit(SEP_LEGACY_SENDMSG_DONE_OFFSET, + &sep_dev->ta_ctx->call_status.status)) { + + dev_warn(&sep_dev->pdev->dev, "[PID%d] sendmsg not called\n", + current->pid); + return; + } + + if (sep_dev->send_ct != sep_dev->reply_ct) { + dev_warn(&sep_dev->pdev->dev, + "[PID%d] poll; no message came back\n", + current->pid); + return; + } + + /* Check for error (In case time ran out) */ + if ((res != 0x0) && (res != 0x8)) { + dev_warn(&sep_dev->pdev->dev, + "[PID%d] poll; poll error GPR3 is %x\n", + current->pid, res); + return; + } + + /* What kind of interrupt from sep was this? */ + res = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR2_REG_ADDR); + + dev_dbg(&sep_dev->pdev->dev, "[PID%d] GPR2 at crypto finish is %x\n", + current->pid, res); + + /* Print request? */ + if ((res >> 30) & 0x1) { + dev_dbg(&sep_dev->pdev->dev, "[PID%d] sep print req\n", + current->pid); + dev_dbg(&sep_dev->pdev->dev, "[PID%d] contents: %s\n", + current->pid, + (char *)(sep_dev->shared_addr + + SEP_DRIVER_PRINTF_OFFSET_IN_BYTES)); + return; + } + + /* Request for daemon (not currently in POR)? */ + if (res >> 31) { + dev_dbg(&sep_dev->pdev->dev, + "[PID%d] sep request; ignoring\n", + current->pid); + return; + } + + /* If we got here, then we have a replay to a sep command */ + + dev_dbg(&sep_dev->pdev->dev, + "[PID%d] sep reply to command; processing request: %x\n", + current->pid, sep_dev->current_request); + + switch (sep_dev->current_request) { + case AES_CBC: + case AES_ECB: + case DES_CBC: + case DES_ECB: + res = crypto_post_op(sep_dev); + break; + case SHA1: + case MD5: + case SHA224: + case SHA256: + switch (sep_dev->current_hash_stage) { + case HASH_INIT: + res = hash_init_post_op(sep_dev); + break; + case HASH_UPDATE: + case HASH_FINUP_DATA: + res = hash_update_post_op(sep_dev); + break; + case HASH_FINUP_FINISH: + case HASH_FINISH: + res = hash_final_post_op(sep_dev); + break; + case HASH_DIGEST: + res = hash_digest_post_op(sep_dev); + break; + default: + pr_debug("sep - invalid stage for hash finish\n"); + } + break; + default: + pr_debug("sep - invalid request for finish\n"); + } + + if (res) + pr_debug("sep - finish returned error %x\n", res); +} + +static int sep_hash_cra_init(struct crypto_tfm *tfm) + { + const char *alg_name = crypto_tfm_alg_name(tfm); + + pr_debug("sep_hash_cra_init name is %s\n", alg_name); + + crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm), + sizeof(struct this_task_ctx)); + return 0; + } + +static void sep_hash_cra_exit(struct crypto_tfm *tfm) +{ + pr_debug("sep_hash_cra_exit\n"); +} + +static void sep_hash_init(void *data) +{ + u32 msg_offset; + int result; + struct ahash_request *req; + struct crypto_ahash *tfm; + struct this_task_ctx *ta_ctx; + struct sep_system_ctx *sctx; + unsigned long end_time; + int are_we_done_yet; + + req = (struct ahash_request *)data; + tfm = crypto_ahash_reqtfm(req); + sctx = crypto_ahash_ctx(tfm); + ta_ctx = ahash_request_ctx(req); + ta_ctx->sep_used = sep_dev; + + ta_ctx->are_we_done_yet = &are_we_done_yet; + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "sep_hash_init\n"); + ta_ctx->current_hash_stage = HASH_INIT; + /* opcode and mode */ + sep_make_header(ta_ctx, &msg_offset, SEP_HASH_INIT_OPCODE); + sep_write_msg(ta_ctx, &ta_ctx->hash_opmode, + sizeof(u32), sizeof(u32), &msg_offset, 0); + sep_end_msg(ta_ctx, msg_offset); + + are_we_done_yet = 0; + result = sep_crypto_take_sep(ta_ctx); + if (result) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "sep_hash_init take sep failed\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + } + + /* now we sit and wait up to a fixed time for completion */ + end_time = jiffies + (WAIT_TIME * HZ); + while ((time_before(jiffies, end_time)) && (are_we_done_yet == 0)) + schedule(); + + /* Done waiting; still not done yet? */ + if (are_we_done_yet == 0) { + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "hash init never got done\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + return; + } + +} + +static void sep_hash_update(void *data) +{ + int int_error; + u32 msg_offset; + u32 len; + struct sep_hash_internal_context *int_ctx; + u32 block_size; + u32 head_len; + u32 tail_len; + int are_we_done_yet; + + static u32 msg[10]; + static char small_buf[100]; + void *src_ptr; + struct scatterlist *new_sg; + ssize_t copy_result; + struct ahash_request *req; + struct crypto_ahash *tfm; + struct this_task_ctx *ta_ctx; + struct sep_system_ctx *sctx; + unsigned long end_time; + + req = (struct ahash_request *)data; + tfm = crypto_ahash_reqtfm(req); + sctx = crypto_ahash_ctx(tfm); + ta_ctx = ahash_request_ctx(req); + ta_ctx->sep_used = sep_dev; + + ta_ctx->are_we_done_yet = &are_we_done_yet; + + /* length for queue status */ + ta_ctx->nbytes = req->nbytes; + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "sep_hash_update\n"); + ta_ctx->current_hash_stage = HASH_UPDATE; + len = req->nbytes; + + block_size = crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm)); + tail_len = req->nbytes % block_size; + dev_dbg(&ta_ctx->sep_used->pdev->dev, "length is %x\n", len); + dev_dbg(&ta_ctx->sep_used->pdev->dev, "block_size is %x\n", block_size); + dev_dbg(&ta_ctx->sep_used->pdev->dev, "tail len is %x\n", tail_len); + + /* Compute header/tail sizes */ + int_ctx = (struct sep_hash_internal_context *)&sctx-> + hash_private_ctx.internal_context; + head_len = (block_size - int_ctx->prev_update_bytes) % block_size; + tail_len = (req->nbytes - head_len) % block_size; + + /* Make sure all pages are even block */ + int_error = sep_oddball_pages(ta_ctx->sep_used, req->src, + req->nbytes, + block_size, &new_sg, 1); + + if (int_error < 0) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "oddball pages error in crash update\n"); + sep_crypto_release(sctx, ta_ctx, -ENOMEM); + return; + } else if (int_error == 1) { + ta_ctx->src_sg = new_sg; + ta_ctx->src_sg_hold = new_sg; + } else { + ta_ctx->src_sg = req->src; + ta_ctx->src_sg_hold = NULL; + } + + src_ptr = sg_virt(ta_ctx->src_sg); + + if ((!req->nbytes) || (!ta_ctx->src_sg)) { + /* null data */ + src_ptr = NULL; + } + + sep_dump_sg(ta_ctx->sep_used, "hash block sg in", ta_ctx->src_sg); + + ta_ctx->dcb_input_data.app_in_address = src_ptr; + ta_ctx->dcb_input_data.data_in_size = + req->nbytes - (head_len + tail_len); + ta_ctx->dcb_input_data.app_out_address = NULL; + ta_ctx->dcb_input_data.block_size = block_size; + ta_ctx->dcb_input_data.tail_block_size = 0; + ta_ctx->dcb_input_data.is_applet = 0; + ta_ctx->dcb_input_data.src_sg = ta_ctx->src_sg; + ta_ctx->dcb_input_data.dst_sg = NULL; + + int_error = sep_create_dcb_dmatables_context_kernel( + ta_ctx->sep_used, + &ta_ctx->dcb_region, + &ta_ctx->dmatables_region, + &ta_ctx->dma_ctx, + &ta_ctx->dcb_input_data, + 1); + if (int_error) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "hash update dma table create failed\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + return; + } + + /* Construct message to SEP */ + sep_make_header(ta_ctx, &msg_offset, SEP_HASH_UPDATE_OPCODE); + + msg[0] = (u32)0; + msg[1] = (u32)0; + msg[2] = (u32)0; + + sep_write_msg(ta_ctx, msg, sizeof(u32) * 3, sizeof(u32) * 3, + &msg_offset, 0); + + /* Handle remainders */ + + /* Head */ + sep_write_msg(ta_ctx, &head_len, sizeof(u32), + sizeof(u32), &msg_offset, 0); + + if (head_len) { + copy_result = sg_copy_to_buffer( + req->src, + sep_sg_nents(ta_ctx->src_sg), + small_buf, head_len); + + if (copy_result != head_len) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "sg head copy failure in hash block\n"); + sep_crypto_release(sctx, ta_ctx, -ENOMEM); + return; + } + + sep_write_msg(ta_ctx, small_buf, head_len, + sizeof(u32) * 32, &msg_offset, 1); + } else { + msg_offset += sizeof(u32) * 32; + } + + /* Tail */ + sep_write_msg(ta_ctx, &tail_len, sizeof(u32), + sizeof(u32), &msg_offset, 0); + + if (tail_len) { + copy_result = sep_copy_offset_sg( + ta_ctx->sep_used, + ta_ctx->src_sg, + req->nbytes - tail_len, + small_buf, tail_len); + + if (copy_result != tail_len) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "sg tail copy failure in hash block\n"); + sep_crypto_release(sctx, ta_ctx, -ENOMEM); + return; + } + + sep_write_msg(ta_ctx, small_buf, tail_len, + sizeof(u32) * 32, &msg_offset, 1); + } else { + msg_offset += sizeof(u32) * 32; + } + + /* Context */ + sep_write_context(ta_ctx, &msg_offset, &sctx->hash_private_ctx, + sizeof(struct sep_hash_private_context)); + + sep_end_msg(ta_ctx, msg_offset); + are_we_done_yet = 0; + int_error = sep_crypto_take_sep(ta_ctx); + if (int_error) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "sep_hash_update take sep failed\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + } + + /* now we sit and wait up to a fixed time for completion */ + end_time = jiffies + (WAIT_TIME * HZ); + while ((time_before(jiffies, end_time)) && (are_we_done_yet == 0)) + schedule(); + + /* Done waiting; still not done yet? */ + if (are_we_done_yet == 0) { + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "hash update never got done\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + return; + } + +} + +static void sep_hash_final(void *data) +{ + u32 msg_offset; + struct ahash_request *req; + struct crypto_ahash *tfm; + struct this_task_ctx *ta_ctx; + struct sep_system_ctx *sctx; + int result; + unsigned long end_time; + int are_we_done_yet; + + req = (struct ahash_request *)data; + tfm = crypto_ahash_reqtfm(req); + sctx = crypto_ahash_ctx(tfm); + ta_ctx = ahash_request_ctx(req); + ta_ctx->sep_used = sep_dev; + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "sep_hash_final\n"); + ta_ctx->current_hash_stage = HASH_FINISH; + + ta_ctx->are_we_done_yet = &are_we_done_yet; + + /* opcode and mode */ + sep_make_header(ta_ctx, &msg_offset, SEP_HASH_FINISH_OPCODE); + + /* Context */ + sep_write_context(ta_ctx, &msg_offset, &sctx->hash_private_ctx, + sizeof(struct sep_hash_private_context)); + + sep_end_msg(ta_ctx, msg_offset); + are_we_done_yet = 0; + result = sep_crypto_take_sep(ta_ctx); + if (result) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "sep_hash_final take sep failed\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + } + + /* now we sit and wait up to a fixed time for completion */ + end_time = jiffies + (WAIT_TIME * HZ); + while ((time_before(jiffies, end_time)) && (are_we_done_yet == 0)) + schedule(); + + /* Done waiting; still not done yet? */ + if (are_we_done_yet == 0) { + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "hash final job never got done\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + return; + } + +} + +static void sep_hash_digest(void *data) +{ + int int_error; + u32 msg_offset; + u32 block_size; + u32 msg[10]; + size_t copy_result; + int result; + int are_we_done_yet; + u32 tail_len; + static char small_buf[100]; + struct scatterlist *new_sg; + void *src_ptr; + + struct ahash_request *req; + struct crypto_ahash *tfm; + struct this_task_ctx *ta_ctx; + struct sep_system_ctx *sctx; + unsigned long end_time; + + req = (struct ahash_request *)data; + tfm = crypto_ahash_reqtfm(req); + sctx = crypto_ahash_ctx(tfm); + ta_ctx = ahash_request_ctx(req); + ta_ctx->sep_used = sep_dev; + + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "sep_hash_digest\n"); + ta_ctx->current_hash_stage = HASH_DIGEST; + + ta_ctx->are_we_done_yet = &are_we_done_yet; + + /* length for queue status */ + ta_ctx->nbytes = req->nbytes; + + block_size = crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm)); + tail_len = req->nbytes % block_size; + dev_dbg(&ta_ctx->sep_used->pdev->dev, "length is %x\n", req->nbytes); + dev_dbg(&ta_ctx->sep_used->pdev->dev, "block_size is %x\n", block_size); + dev_dbg(&ta_ctx->sep_used->pdev->dev, "tail len is %x\n", tail_len); + + /* Make sure all pages are even block */ + int_error = sep_oddball_pages(ta_ctx->sep_used, req->src, + req->nbytes, + block_size, &new_sg, 1); + + if (int_error < 0) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "oddball pages error in crash update\n"); + sep_crypto_release(sctx, ta_ctx, -ENOMEM); + return; + } else if (int_error == 1) { + ta_ctx->src_sg = new_sg; + ta_ctx->src_sg_hold = new_sg; + } else { + ta_ctx->src_sg = req->src; + ta_ctx->src_sg_hold = NULL; + } + + src_ptr = sg_virt(ta_ctx->src_sg); + + if ((!req->nbytes) || (!ta_ctx->src_sg)) { + /* null data */ + src_ptr = NULL; + } + + sep_dump_sg(ta_ctx->sep_used, "hash block sg in", ta_ctx->src_sg); + + ta_ctx->dcb_input_data.app_in_address = src_ptr; + ta_ctx->dcb_input_data.data_in_size = req->nbytes - tail_len; + ta_ctx->dcb_input_data.app_out_address = NULL; + ta_ctx->dcb_input_data.block_size = block_size; + ta_ctx->dcb_input_data.tail_block_size = 0; + ta_ctx->dcb_input_data.is_applet = 0; + ta_ctx->dcb_input_data.src_sg = ta_ctx->src_sg; + ta_ctx->dcb_input_data.dst_sg = NULL; + + int_error = sep_create_dcb_dmatables_context_kernel( + ta_ctx->sep_used, + &ta_ctx->dcb_region, + &ta_ctx->dmatables_region, + &ta_ctx->dma_ctx, + &ta_ctx->dcb_input_data, + 1); + if (int_error) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "hash update dma table create failed\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + return; + } + + /* Construct message to SEP */ + sep_make_header(ta_ctx, &msg_offset, SEP_HASH_SINGLE_OPCODE); + sep_write_msg(ta_ctx, &ta_ctx->hash_opmode, + sizeof(u32), sizeof(u32), &msg_offset, 0); + + msg[0] = (u32)0; + msg[1] = (u32)0; + msg[2] = (u32)0; + + sep_write_msg(ta_ctx, msg, sizeof(u32) * 3, sizeof(u32) * 3, + &msg_offset, 0); + + /* Tail */ + sep_write_msg(ta_ctx, &tail_len, sizeof(u32), + sizeof(u32), &msg_offset, 0); + + if (tail_len) { + copy_result = sep_copy_offset_sg( + ta_ctx->sep_used, + ta_ctx->src_sg, + req->nbytes - tail_len, + small_buf, tail_len); + + if (copy_result != tail_len) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "sg tail copy failure in hash block\n"); + sep_crypto_release(sctx, ta_ctx, -ENOMEM); + return; + } + + sep_write_msg(ta_ctx, small_buf, tail_len, + sizeof(u32) * 32, &msg_offset, 1); + } else { + msg_offset += sizeof(u32) * 32; + } + + sep_end_msg(ta_ctx, msg_offset); + + are_we_done_yet = 0; + result = sep_crypto_take_sep(ta_ctx); + if (result) { + dev_warn(&ta_ctx->sep_used->pdev->dev, + "sep_hash_digest take sep failed\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + } + + /* now we sit and wait up to a fixed time for completion */ + end_time = jiffies + (WAIT_TIME * HZ); + while ((time_before(jiffies, end_time)) && (are_we_done_yet == 0)) + schedule(); + + /* Done waiting; still not done yet? */ + if (are_we_done_yet == 0) { + dev_dbg(&ta_ctx->sep_used->pdev->dev, + "hash digest job never got done\n"); + sep_crypto_release(sctx, ta_ctx, -EINVAL); + return; + } + +} + +/** + * This is what is called by each of the API's provided + * in the kernel crypto descriptors. It is run in a process + * context using the kernel workqueues. Therefore it can + * be put to sleep. + */ +static void sep_dequeuer(void *data) +{ + struct crypto_queue *this_queue; + struct crypto_async_request *async_req; + struct crypto_async_request *backlog; + struct ablkcipher_request *cypher_req; + struct ahash_request *hash_req; + struct sep_system_ctx *sctx; + struct crypto_ahash *hash_tfm; + struct this_task_ctx *ta_ctx; + + + this_queue = (struct crypto_queue *)data; + + spin_lock_irq(&queue_lock); + backlog = crypto_get_backlog(this_queue); + async_req = crypto_dequeue_request(this_queue); + spin_unlock_irq(&queue_lock); + + if (!async_req) { + pr_debug("sep crypto queue is empty\n"); + return; + } + + if (backlog) { + pr_debug("sep crypto backlog set\n"); + if (backlog->complete) + backlog->complete(backlog, -EINPROGRESS); + backlog = NULL; + } + + if (!async_req->tfm) { + pr_debug("sep crypto queue null tfm\n"); + return; + } + + if (!async_req->tfm->__crt_alg) { + pr_debug("sep crypto queue null __crt_alg\n"); + return; + } + + if (!async_req->tfm->__crt_alg->cra_type) { + pr_debug("sep crypto queue null cra_type\n"); + return; + } + + /* we have stuff in the queue */ + if (async_req->tfm->__crt_alg->cra_type != + &crypto_ahash_type) { + /* This is for a cypher */ + pr_debug("sep crypto queue doing cipher\n"); + cypher_req = container_of(async_req, + struct ablkcipher_request, + base); + if (!cypher_req) { + pr_debug("sep crypto queue null cypher_req\n"); + return; + } + + sep_crypto_block((void *)cypher_req); + return; + } else { + /* This is a hash */ + pr_debug("sep crypto queue doing hash\n"); + /** + * This is a bit more complex than cipher; we + * need to figure out what type of operation + */ + hash_req = ahash_request_cast(async_req); + if (!hash_req) { + pr_debug("sep crypto queue null hash_req\n"); + return; + } + + hash_tfm = crypto_ahash_reqtfm(hash_req); + if (!hash_tfm) { + pr_debug("sep crypto queue null hash_tfm\n"); + return; + } + + + sctx = crypto_ahash_ctx(hash_tfm); + if (!sctx) { + pr_debug("sep crypto queue null sctx\n"); + return; + } + + ta_ctx = ahash_request_ctx(hash_req); + + if (ta_ctx->current_hash_stage == HASH_INIT) { + pr_debug("sep crypto queue hash init\n"); + sep_hash_init((void *)hash_req); + return; + } else if (ta_ctx->current_hash_stage == HASH_UPDATE) { + pr_debug("sep crypto queue hash update\n"); + sep_hash_update((void *)hash_req); + return; + } else if (ta_ctx->current_hash_stage == HASH_FINISH) { + pr_debug("sep crypto queue hash final\n"); + sep_hash_final((void *)hash_req); + return; + } else if (ta_ctx->current_hash_stage == HASH_DIGEST) { + pr_debug("sep crypto queue hash digest\n"); + sep_hash_digest((void *)hash_req); + return; + } else if (ta_ctx->current_hash_stage == HASH_FINUP_DATA) { + pr_debug("sep crypto queue hash digest\n"); + sep_hash_update((void *)hash_req); + return; + } else if (ta_ctx->current_hash_stage == HASH_FINUP_FINISH) { + pr_debug("sep crypto queue hash digest\n"); + sep_hash_final((void *)hash_req); + return; + } else { + pr_debug("sep crypto queue hash oops nothing\n"); + return; + } + } +} + +static int sep_sha1_init(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + + pr_debug("sep - doing sha1 init\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA1; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA1; + ta_ctx->current_hash_stage = HASH_INIT; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha1_update(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + + pr_debug("sep - doing sha1 update\n"); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA1; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA1; + ta_ctx->current_hash_stage = HASH_UPDATE; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha1_final(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + pr_debug("sep - doing sha1 final\n"); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA1; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA1; + ta_ctx->current_hash_stage = HASH_FINISH; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha1_digest(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + pr_debug("sep - doing sha1 digest\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA1; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA1; + ta_ctx->current_hash_stage = HASH_DIGEST; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha1_finup(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + pr_debug("sep - doing sha1 finup\n"); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA1; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA1; + ta_ctx->current_hash_stage = HASH_FINUP_DATA; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_md5_init(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + pr_debug("sep - doing md5 init\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = MD5; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_MD5; + ta_ctx->current_hash_stage = HASH_INIT; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_md5_update(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + pr_debug("sep - doing md5 update\n"); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = MD5; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_MD5; + ta_ctx->current_hash_stage = HASH_UPDATE; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_md5_final(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + pr_debug("sep - doing md5 final\n"); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = MD5; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_MD5; + ta_ctx->current_hash_stage = HASH_FINISH; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_md5_digest(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + + pr_debug("sep - doing md5 digest\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = MD5; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_MD5; + ta_ctx->current_hash_stage = HASH_DIGEST; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_md5_finup(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + + pr_debug("sep - doing md5 finup\n"); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = MD5; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_MD5; + ta_ctx->current_hash_stage = HASH_FINUP_DATA; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha224_init(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + pr_debug("sep - doing sha224 init\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA224; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA224; + ta_ctx->current_hash_stage = HASH_INIT; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha224_update(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + pr_debug("sep - doing sha224 update\n"); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA224; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA224; + ta_ctx->current_hash_stage = HASH_UPDATE; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha224_final(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + pr_debug("sep - doing sha224 final\n"); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA224; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA224; + ta_ctx->current_hash_stage = HASH_FINISH; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha224_digest(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + + pr_debug("sep - doing sha224 digest\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA224; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA224; + ta_ctx->current_hash_stage = HASH_DIGEST; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha224_finup(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + + pr_debug("sep - doing sha224 finup\n"); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA224; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA224; + ta_ctx->current_hash_stage = HASH_FINUP_DATA; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha256_init(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + pr_debug("sep - doing sha256 init\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA256; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA256; + ta_ctx->current_hash_stage = HASH_INIT; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha256_update(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + pr_debug("sep - doing sha256 update\n"); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA256; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA256; + ta_ctx->current_hash_stage = HASH_UPDATE; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha256_final(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + pr_debug("sep - doing sha256 final\n"); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA256; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA256; + ta_ctx->current_hash_stage = HASH_FINISH; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha256_digest(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + + pr_debug("sep - doing sha256 digest\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA256; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA256; + ta_ctx->current_hash_stage = HASH_DIGEST; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_sha256_finup(struct ahash_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ahash_request_ctx(req); + + pr_debug("sep - doing sha256 finup\n"); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = SHA256; + ta_ctx->current_hash_req = req; + ta_ctx->current_cypher_req = NULL; + ta_ctx->hash_opmode = SEP_HASH_SHA256; + ta_ctx->current_hash_stage = HASH_FINUP_DATA; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_crypto_init(struct crypto_tfm *tfm) +{ + const char *alg_name = crypto_tfm_alg_name(tfm); + + if (alg_name == NULL) + pr_debug("sep_crypto_init alg is NULL\n"); + else + pr_debug("sep_crypto_init alg is %s\n", alg_name); + + tfm->crt_ablkcipher.reqsize = sizeof(struct this_task_ctx); + return 0; +} + +static void sep_crypto_exit(struct crypto_tfm *tfm) +{ + pr_debug("sep_crypto_exit\n"); +} + +static int sep_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key, + unsigned int keylen) +{ + struct sep_system_ctx *sctx = crypto_ablkcipher_ctx(tfm); + + pr_debug("sep aes setkey\n"); + + pr_debug("tfm is %p sctx is %p\n", tfm, sctx); + switch (keylen) { + case SEP_AES_KEY_128_SIZE: + sctx->aes_key_size = AES_128; + break; + case SEP_AES_KEY_192_SIZE: + sctx->aes_key_size = AES_192; + break; + case SEP_AES_KEY_256_SIZE: + sctx->aes_key_size = AES_256; + break; + case SEP_AES_KEY_512_SIZE: + sctx->aes_key_size = AES_512; + break; + default: + pr_debug("invalid sep aes key size %x\n", + keylen); + return -EINVAL; + } + + memset(&sctx->key.aes, 0, sizeof(u32) * + SEP_AES_MAX_KEY_SIZE_WORDS); + memcpy(&sctx->key.aes, key, keylen); + sctx->keylen = keylen; + /* Indicate to encrypt/decrypt function to send key to SEP */ + sctx->key_sent = 0; + + return 0; +} + +static int sep_aes_ecb_encrypt(struct ablkcipher_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ablkcipher_request_ctx(req); + + pr_debug("sep - doing aes ecb encrypt\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = AES_ECB; + ta_ctx->current_hash_req = NULL; + ta_ctx->current_cypher_req = req; + ta_ctx->aes_encmode = SEP_AES_ENCRYPT; + ta_ctx->aes_opmode = SEP_AES_ECB; + ta_ctx->init_opcode = SEP_AES_INIT_OPCODE; + ta_ctx->block_opcode = SEP_AES_BLOCK_OPCODE; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_aes_ecb_decrypt(struct ablkcipher_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ablkcipher_request_ctx(req); + + pr_debug("sep - doing aes ecb decrypt\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = AES_ECB; + ta_ctx->current_hash_req = NULL; + ta_ctx->current_cypher_req = req; + ta_ctx->aes_encmode = SEP_AES_DECRYPT; + ta_ctx->aes_opmode = SEP_AES_ECB; + ta_ctx->init_opcode = SEP_AES_INIT_OPCODE; + ta_ctx->block_opcode = SEP_AES_BLOCK_OPCODE; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_aes_cbc_encrypt(struct ablkcipher_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ablkcipher_request_ctx(req); + struct sep_system_ctx *sctx = crypto_ablkcipher_ctx( + crypto_ablkcipher_reqtfm(req)); + + pr_debug("sep - doing aes cbc encrypt\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + pr_debug("tfm is %p sctx is %p and ta_ctx is %p\n", + crypto_ablkcipher_reqtfm(req), sctx, ta_ctx); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = AES_CBC; + ta_ctx->current_hash_req = NULL; + ta_ctx->current_cypher_req = req; + ta_ctx->aes_encmode = SEP_AES_ENCRYPT; + ta_ctx->aes_opmode = SEP_AES_CBC; + ta_ctx->init_opcode = SEP_AES_INIT_OPCODE; + ta_ctx->block_opcode = SEP_AES_BLOCK_OPCODE; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_aes_cbc_decrypt(struct ablkcipher_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ablkcipher_request_ctx(req); + struct sep_system_ctx *sctx = crypto_ablkcipher_ctx( + crypto_ablkcipher_reqtfm(req)); + + pr_debug("sep - doing aes cbc decrypt\n"); + + pr_debug("tfm is %p sctx is %p and ta_ctx is %p\n", + crypto_ablkcipher_reqtfm(req), sctx, ta_ctx); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = AES_CBC; + ta_ctx->current_hash_req = NULL; + ta_ctx->current_cypher_req = req; + ta_ctx->aes_encmode = SEP_AES_DECRYPT; + ta_ctx->aes_opmode = SEP_AES_CBC; + ta_ctx->init_opcode = SEP_AES_INIT_OPCODE; + ta_ctx->block_opcode = SEP_AES_BLOCK_OPCODE; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_des_setkey(struct crypto_ablkcipher *tfm, const u8 *key, + unsigned int keylen) +{ + struct sep_system_ctx *sctx = crypto_ablkcipher_ctx(tfm); + struct crypto_tfm *ctfm = crypto_ablkcipher_tfm(tfm); + u32 *flags = &ctfm->crt_flags; + + pr_debug("sep des setkey\n"); + + switch (keylen) { + case DES_KEY_SIZE: + sctx->des_nbr_keys = DES_KEY_1; + break; + case DES_KEY_SIZE * 2: + sctx->des_nbr_keys = DES_KEY_2; + break; + case DES_KEY_SIZE * 3: + sctx->des_nbr_keys = DES_KEY_3; + break; + default: + pr_debug("invalid key size %x\n", + keylen); + return -EINVAL; + } + + if ((*flags & CRYPTO_TFM_REQ_WEAK_KEY) && + (sep_weak_key(key, keylen))) { + + *flags |= CRYPTO_TFM_RES_WEAK_KEY; + pr_debug("weak key\n"); + return -EINVAL; + } + + memset(&sctx->key.des, 0, sizeof(struct sep_des_key)); + memcpy(&sctx->key.des.key1, key, keylen); + sctx->keylen = keylen; + /* Indicate to encrypt/decrypt function to send key to SEP */ + sctx->key_sent = 0; + + return 0; +} + +static int sep_des_ebc_encrypt(struct ablkcipher_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ablkcipher_request_ctx(req); + + pr_debug("sep - doing des ecb encrypt\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = DES_ECB; + ta_ctx->current_hash_req = NULL; + ta_ctx->current_cypher_req = req; + ta_ctx->des_encmode = SEP_DES_ENCRYPT; + ta_ctx->des_opmode = SEP_DES_ECB; + ta_ctx->init_opcode = SEP_DES_INIT_OPCODE; + ta_ctx->block_opcode = SEP_DES_BLOCK_OPCODE; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_des_ebc_decrypt(struct ablkcipher_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ablkcipher_request_ctx(req); + + pr_debug("sep - doing des ecb decrypt\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = DES_ECB; + ta_ctx->current_hash_req = NULL; + ta_ctx->current_cypher_req = req; + ta_ctx->des_encmode = SEP_DES_DECRYPT; + ta_ctx->des_opmode = SEP_DES_ECB; + ta_ctx->init_opcode = SEP_DES_INIT_OPCODE; + ta_ctx->block_opcode = SEP_DES_BLOCK_OPCODE; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_des_cbc_encrypt(struct ablkcipher_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ablkcipher_request_ctx(req); + + pr_debug("sep - doing des cbc encrypt\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = DES_CBC; + ta_ctx->current_hash_req = NULL; + ta_ctx->current_cypher_req = req; + ta_ctx->des_encmode = SEP_DES_ENCRYPT; + ta_ctx->des_opmode = SEP_DES_CBC; + ta_ctx->init_opcode = SEP_DES_INIT_OPCODE; + ta_ctx->block_opcode = SEP_DES_BLOCK_OPCODE; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static int sep_des_cbc_decrypt(struct ablkcipher_request *req) +{ + int error; + int error1; + struct this_task_ctx *ta_ctx = ablkcipher_request_ctx(req); + + pr_debug("sep - doing des ecb decrypt\n"); + + /* Clear out task context */ + memset(ta_ctx, 0, sizeof(struct this_task_ctx)); + + ta_ctx->sep_used = sep_dev; + ta_ctx->current_request = DES_CBC; + ta_ctx->current_hash_req = NULL; + ta_ctx->current_cypher_req = req; + ta_ctx->des_encmode = SEP_DES_DECRYPT; + ta_ctx->des_opmode = SEP_DES_CBC; + ta_ctx->init_opcode = SEP_DES_INIT_OPCODE; + ta_ctx->block_opcode = SEP_DES_BLOCK_OPCODE; + + /* lock necessary so that only one entity touches the queues */ + spin_lock_irq(&queue_lock); + error = crypto_enqueue_request(&sep_queue, &req->base); + + if ((error != 0) && (error != -EINPROGRESS)) + pr_debug(" sep - crypto enqueue failed: %x\n", + error); + error1 = sep_submit_work(ta_ctx->sep_used->workqueue, + sep_dequeuer, (void *)&sep_queue); + if (error1) + pr_debug(" sep - workqueue submit failed: %x\n", + error1); + spin_unlock_irq(&queue_lock); + /* We return result of crypto enqueue */ + return error; +} + +static struct ahash_alg hash_algs[] = { +{ + .init = sep_sha1_init, + .update = sep_sha1_update, + .final = sep_sha1_final, + .digest = sep_sha1_digest, + .finup = sep_sha1_finup, + .halg = { + .digestsize = SHA1_DIGEST_SIZE, + .base = { + .cra_name = "sha1", + .cra_driver_name = "sha1-sep", + .cra_priority = 100, + .cra_flags = CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_ASYNC, + .cra_blocksize = SHA1_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sep_system_ctx), + .cra_alignmask = 0, + .cra_module = THIS_MODULE, + .cra_init = sep_hash_cra_init, + .cra_exit = sep_hash_cra_exit, + } + } +}, +{ + .init = sep_md5_init, + .update = sep_md5_update, + .final = sep_md5_final, + .digest = sep_md5_digest, + .finup = sep_md5_finup, + .halg = { + .digestsize = MD5_DIGEST_SIZE, + .base = { + .cra_name = "md5", + .cra_driver_name = "md5-sep", + .cra_priority = 100, + .cra_flags = CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_ASYNC, + .cra_blocksize = SHA1_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sep_system_ctx), + .cra_alignmask = 0, + .cra_module = THIS_MODULE, + .cra_init = sep_hash_cra_init, + .cra_exit = sep_hash_cra_exit, + } + } +}, +{ + .init = sep_sha224_init, + .update = sep_sha224_update, + .final = sep_sha224_final, + .digest = sep_sha224_digest, + .finup = sep_sha224_finup, + .halg = { + .digestsize = SHA224_DIGEST_SIZE, + .base = { + .cra_name = "sha224", + .cra_driver_name = "sha224-sep", + .cra_priority = 100, + .cra_flags = CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_ASYNC, + .cra_blocksize = SHA224_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sep_system_ctx), + .cra_alignmask = 0, + .cra_module = THIS_MODULE, + .cra_init = sep_hash_cra_init, + .cra_exit = sep_hash_cra_exit, + } + } +}, +{ + .init = sep_sha256_init, + .update = sep_sha256_update, + .final = sep_sha256_final, + .digest = sep_sha256_digest, + .finup = sep_sha256_finup, + .halg = { + .digestsize = SHA256_DIGEST_SIZE, + .base = { + .cra_name = "sha256", + .cra_driver_name = "sha256-sep", + .cra_priority = 100, + .cra_flags = CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_ASYNC, + .cra_blocksize = SHA256_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sep_system_ctx), + .cra_alignmask = 0, + .cra_module = THIS_MODULE, + .cra_init = sep_hash_cra_init, + .cra_exit = sep_hash_cra_exit, + } + } +} +}; + +static struct crypto_alg crypto_algs[] = { +{ + .cra_name = "ecb(aes)", + .cra_driver_name = "ecb-aes-sep", + .cra_priority = 100, + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sep_system_ctx), + .cra_alignmask = 0, + .cra_type = &crypto_ablkcipher_type, + .cra_module = THIS_MODULE, + .cra_init = sep_crypto_init, + .cra_exit = sep_crypto_exit, + .cra_u.ablkcipher = { + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .setkey = sep_aes_setkey, + .encrypt = sep_aes_ecb_encrypt, + .decrypt = sep_aes_ecb_decrypt, + } +}, +{ + .cra_name = "cbc(aes)", + .cra_driver_name = "cbc-aes-sep", + .cra_priority = 100, + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sep_system_ctx), + .cra_alignmask = 0, + .cra_type = &crypto_ablkcipher_type, + .cra_module = THIS_MODULE, + .cra_init = sep_crypto_init, + .cra_exit = sep_crypto_exit, + .cra_u.ablkcipher = { + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .setkey = sep_aes_setkey, + .encrypt = sep_aes_cbc_encrypt, + .ivsize = AES_BLOCK_SIZE, + .decrypt = sep_aes_cbc_decrypt, + } +}, +{ + .cra_name = "ebc(des)", + .cra_driver_name = "ebc-des-sep", + .cra_priority = 100, + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, + .cra_blocksize = DES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sep_system_ctx), + .cra_alignmask = 0, + .cra_type = &crypto_ablkcipher_type, + .cra_module = THIS_MODULE, + .cra_init = sep_crypto_init, + .cra_exit = sep_crypto_exit, + .cra_u.ablkcipher = { + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .setkey = sep_des_setkey, + .encrypt = sep_des_ebc_encrypt, + .decrypt = sep_des_ebc_decrypt, + } +}, +{ + .cra_name = "cbc(des)", + .cra_driver_name = "cbc-des-sep", + .cra_priority = 100, + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, + .cra_blocksize = DES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sep_system_ctx), + .cra_alignmask = 0, + .cra_type = &crypto_ablkcipher_type, + .cra_module = THIS_MODULE, + .cra_init = sep_crypto_init, + .cra_exit = sep_crypto_exit, + .cra_u.ablkcipher = { + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .setkey = sep_des_setkey, + .encrypt = sep_des_cbc_encrypt, + .ivsize = DES_BLOCK_SIZE, + .decrypt = sep_des_cbc_decrypt, + } +}, +{ + .cra_name = "ebc(des3-ede)", + .cra_driver_name = "ebc-des3-ede-sep", + .cra_priority = 100, + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, + .cra_blocksize = DES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sep_system_ctx), + .cra_alignmask = 0, + .cra_type = &crypto_ablkcipher_type, + .cra_module = THIS_MODULE, + .cra_init = sep_crypto_init, + .cra_exit = sep_crypto_exit, + .cra_u.ablkcipher = { + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .setkey = sep_des_setkey, + .encrypt = sep_des_ebc_encrypt, + .decrypt = sep_des_ebc_decrypt, + } +}, +{ + .cra_name = "cbc(des3-ede)", + .cra_driver_name = "cbc-des3--ede-sep", + .cra_priority = 100, + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, + .cra_blocksize = DES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sep_system_ctx), + .cra_alignmask = 0, + .cra_type = &crypto_ablkcipher_type, + .cra_module = THIS_MODULE, + .cra_init = sep_crypto_init, + .cra_exit = sep_crypto_exit, + .cra_u.ablkcipher = { + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .setkey = sep_des_setkey, + .encrypt = sep_des_cbc_encrypt, + .decrypt = sep_des_cbc_decrypt, + } +} +}; + +int sep_crypto_setup(void) +{ + int err, i, j, k; + tasklet_init(&sep_dev->finish_tasklet, sep_finish, + (unsigned long)sep_dev); + + crypto_init_queue(&sep_queue, SEP_QUEUE_LENGTH); + + sep_dev->workqueue = create_singlethread_workqueue( + "sep_crypto_workqueue"); + if (!sep_dev->workqueue) { + dev_warn(&sep_dev->pdev->dev, "cant create workqueue\n"); + return -ENOMEM; + } + + i = 0; + j = 0; + + spin_lock_init(&queue_lock); + + err = 0; + + for (i = 0; i < ARRAY_SIZE(hash_algs); i++) { + err = crypto_register_ahash(&hash_algs[i]); + if (err) + goto err_algs; + } + + err = 0; + for (j = 0; j < ARRAY_SIZE(crypto_algs); j++) { + err = crypto_register_alg(&crypto_algs[j]); + if (err) + goto err_crypto_algs; + } + + return err; + +err_algs: + for (k = 0; k < i; k++) + crypto_unregister_ahash(&hash_algs[k]); + return err; + +err_crypto_algs: + for (k = 0; k < j; k++) + crypto_unregister_alg(&crypto_algs[k]); + goto err_algs; +} + +void sep_crypto_takedown(void) +{ + + int i; + + for (i = 0; i < ARRAY_SIZE(hash_algs); i++) + crypto_unregister_ahash(&hash_algs[i]); + for (i = 0; i < ARRAY_SIZE(crypto_algs); i++) + crypto_unregister_alg(&crypto_algs[i]); + + tasklet_kill(&sep_dev->finish_tasklet); +} + +#endif diff --git a/drivers/staging/sep/sep_crypto.h b/drivers/staging/sep/sep_crypto.h new file mode 100644 index 00000000000..155c3c9b87c --- /dev/null +++ b/drivers/staging/sep/sep_crypto.h @@ -0,0 +1,359 @@ +/* + * + * sep_crypto.h - Crypto interface structures + * + * Copyright(c) 2009-2011 Intel Corporation. All rights reserved. + * Contributions(c) 2009-2010 Discretix. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * CONTACTS: + * + * Mark Allyn mark.a.allyn@intel.com + * Jayant Mangalampalli jayant.mangalampalli@intel.com + * + * CHANGES: + * + * 2009.06.26 Initial publish + * 2011.02.22 Enable Kernel Crypto + * + */ + +/* Constants for SEP (from vendor) */ +#define SEP_START_MSG_TOKEN 0x02558808 + +#define SEP_DES_IV_SIZE_WORDS 2 +#define SEP_DES_IV_SIZE_BYTES (SEP_DES_IV_SIZE_WORDS * \ + sizeof(u32)) +#define SEP_DES_KEY_SIZE_WORDS 2 +#define SEP_DES_KEY_SIZE_BYTES (SEP_DES_KEY_SIZE_WORDS * \ + sizeof(u32)) +#define SEP_DES_BLOCK_SIZE 8 +#define SEP_DES_DUMMY_SIZE 16 + +#define SEP_DES_INIT_OPCODE 0x10 +#define SEP_DES_BLOCK_OPCODE 0x11 + +#define SEP_AES_BLOCK_SIZE_WORDS 4 +#define SEP_AES_BLOCK_SIZE_BYTES \ + (SEP_AES_BLOCK_SIZE_WORDS * sizeof(u32)) + +#define SEP_AES_DUMMY_BLOCK_SIZE 16 +#define SEP_AES_IV_SIZE_WORDS SEP_AES_BLOCK_SIZE_WORDS +#define SEP_AES_IV_SIZE_BYTES \ + (SEP_AES_IV_SIZE_WORDS * sizeof(u32)) + +#define SEP_AES_KEY_128_SIZE 16 +#define SEP_AES_KEY_192_SIZE 24 +#define SEP_AES_KEY_256_SIZE 32 +#define SEP_AES_KEY_512_SIZE 64 +#define SEP_AES_MAX_KEY_SIZE_WORDS 16 +#define SEP_AES_MAX_KEY_SIZE_BYTES \ + (SEP_AES_MAX_KEY_SIZE_WORDS * sizeof(u32)) + +#define SEP_AES_WRAP_MIN_SIZE 8 +#define SEP_AES_WRAP_MAX_SIZE 0x10000000 + +#define SEP_AES_WRAP_BLOCK_SIZE_WORDS 2 +#define SEP_AES_WRAP_BLOCK_SIZE_BYTES \ + (SEP_AES_WRAP_BLOCK_SIZE_WORDS * sizeof(u32)) + +#define SEP_AES_SECRET_RKEK1 0x1 +#define SEP_AES_SECRET_RKEK2 0x2 + +#define SEP_AES_INIT_OPCODE 0x2 +#define SEP_AES_BLOCK_OPCODE 0x3 +#define SEP_AES_FINISH_OPCODE 0x4 +#define SEP_AES_WRAP_OPCODE 0x6 +#define SEP_AES_UNWRAP_OPCODE 0x7 +#define SEP_AES_XTS_FINISH_OPCODE 0x8 + +#define SEP_HASH_RESULT_SIZE_WORDS 16 +#define SEP_MD5_DIGEST_SIZE_WORDS 4 +#define SEP_MD5_DIGEST_SIZE_BYTES \ + (SEP_MD5_DIGEST_SIZE_WORDS * sizeof(u32)) +#define SEP_SHA1_DIGEST_SIZE_WORDS 5 +#define SEP_SHA1_DIGEST_SIZE_BYTES \ + (SEP_SHA1_DIGEST_SIZE_WORDS * sizeof(u32)) +#define SEP_SHA224_DIGEST_SIZE_WORDS 7 +#define SEP_SHA224_DIGEST_SIZE_BYTES \ + (SEP_SHA224_DIGEST_SIZE_WORDS * sizeof(u32)) +#define SEP_SHA256_DIGEST_SIZE_WORDS 8 +#define SEP_SHA256_DIGEST_SIZE_BYTES \ + (SEP_SHA256_DIGEST_SIZE_WORDS * sizeof(u32)) +#define SEP_SHA384_DIGEST_SIZE_WORDS 12 +#define SEP_SHA384_DIGEST_SIZE_BYTES \ + (SEP_SHA384_DIGEST_SIZE_WORDS * sizeof(u32)) +#define SEP_SHA512_DIGEST_SIZE_WORDS 16 +#define SEP_SHA512_DIGEST_SIZE_BYTES \ + (SEP_SHA512_DIGEST_SIZE_WORDS * sizeof(u32)) +#define SEP_HASH_BLOCK_SIZE_WORDS 16 +#define SEP_HASH_BLOCK_SIZE_BYTES \ + (SEP_HASH_BLOCK_SIZE_WORDS * sizeof(u32)) +#define SEP_SHA2_BLOCK_SIZE_WORDS 32 +#define SEP_SHA2_BLOCK_SIZE_BYTES \ + (SEP_SHA2_BLOCK_SIZE_WORDS * sizeof(u32)) + +#define SEP_HASH_INIT_OPCODE 0x20 +#define SEP_HASH_UPDATE_OPCODE 0x21 +#define SEP_HASH_FINISH_OPCODE 0x22 +#define SEP_HASH_SINGLE_OPCODE 0x23 + +#define SEP_HOST_ERROR 0x0b000000 +#define SEP_OK 0x0 +#define SEP_INVALID_START (SEP_HOST_ERROR + 0x3) +#define SEP_WRONG_OPCODE (SEP_HOST_ERROR + 0x1) + +#define SEP_TRANSACTION_WAIT_TIME 5 + +#define SEP_QUEUE_LENGTH 2 +/* Macros */ +#ifndef __LITTLE_ENDIAN +#define CHG_ENDIAN(val) \ + (((val) >> 24) | \ + (((val) & 0x00FF0000) >> 8) | \ + (((val) & 0x0000FF00) << 8) | \ + (((val) & 0x000000FF) << 24)) +#else +#define CHG_ENDIAN(val) val +#endif +/* Enums for SEP (from vendor) */ +enum des_numkey { + DES_KEY_1 = 1, + DES_KEY_2 = 2, + DES_KEY_3 = 3, + SEP_NUMKEY_OPTIONS, + SEP_NUMKEY_LAST = 0x7fffffff, +}; + +enum des_enc_mode { + SEP_DES_ENCRYPT = 0, + SEP_DES_DECRYPT = 1, + SEP_DES_ENC_OPTIONS, + SEP_DES_ENC_LAST = 0x7fffffff, +}; + +enum des_op_mode { + SEP_DES_ECB = 0, + SEP_DES_CBC = 1, + SEP_OP_OPTIONS, + SEP_OP_LAST = 0x7fffffff, +}; + +enum aes_keysize { + AES_128 = 0, + AES_192 = 1, + AES_256 = 2, + AES_512 = 3, + AES_SIZE_OPTIONS, + AEA_SIZE_LAST = 0x7FFFFFFF, +}; + +enum aes_enc_mode { + SEP_AES_ENCRYPT = 0, + SEP_AES_DECRYPT = 1, + SEP_AES_ENC_OPTIONS, + SEP_AES_ENC_LAST = 0x7FFFFFFF, +}; + +enum aes_op_mode { + SEP_AES_ECB = 0, + SEP_AES_CBC = 1, + SEP_AES_MAC = 2, + SEP_AES_CTR = 3, + SEP_AES_XCBC = 4, + SEP_AES_CMAC = 5, + SEP_AES_XTS = 6, + SEP_AES_OP_OPTIONS, + SEP_AES_OP_LAST = 0x7FFFFFFF, +}; + +enum hash_op_mode { + SEP_HASH_SHA1 = 0, + SEP_HASH_SHA224 = 1, + SEP_HASH_SHA256 = 2, + SEP_HASH_SHA384 = 3, + SEP_HASH_SHA512 = 4, + SEP_HASH_MD5 = 5, + SEP_HASH_OPTIONS, + SEP_HASH_LAST_MODE = 0x7FFFFFFF, +}; + +/* Structures for SEP (from vendor) */ +struct sep_des_internal_key { + u32 key1[SEP_DES_KEY_SIZE_WORDS]; + u32 key2[SEP_DES_KEY_SIZE_WORDS]; + u32 key3[SEP_DES_KEY_SIZE_WORDS]; +}; + +struct sep_des_internal_context { + u32 iv_context[SEP_DES_IV_SIZE_WORDS]; + struct sep_des_internal_key context_key; + enum des_numkey nbr_keys; + enum des_enc_mode encryption; + enum des_op_mode operation; + u8 dummy_block[SEP_DES_DUMMY_SIZE]; +}; + +struct sep_des_private_context { + u32 valid_tag; + u32 iv; + u8 ctx_buf[sizeof(struct sep_des_internal_context)]; +}; + +/* This is the structure passed to SEP via msg area */ +struct sep_des_key { + u32 key1[SEP_DES_KEY_SIZE_WORDS]; + u32 key2[SEP_DES_KEY_SIZE_WORDS]; + u32 key3[SEP_DES_KEY_SIZE_WORDS]; + u32 pad[SEP_DES_KEY_SIZE_WORDS]; +}; + +struct sep_aes_internal_context { + u32 aes_ctx_iv[SEP_AES_IV_SIZE_WORDS]; + u32 aes_ctx_key[SEP_AES_MAX_KEY_SIZE_WORDS / 2]; + enum aes_keysize keysize; + enum aes_enc_mode encmode; + enum aes_op_mode opmode; + u8 secret_key; + u32 no_add_blocks; + u32 last_block_size; + u32 last_block[SEP_AES_BLOCK_SIZE_WORDS]; + u32 prev_iv[SEP_AES_BLOCK_SIZE_WORDS]; + u32 remaining_size; + union { + struct { + u32 dkey1[SEP_AES_BLOCK_SIZE_WORDS]; + u32 dkey2[SEP_AES_BLOCK_SIZE_WORDS]; + u32 dkey3[SEP_AES_BLOCK_SIZE_WORDS]; + } cmac_data; + struct { + u32 xts_key[SEP_AES_MAX_KEY_SIZE_WORDS / 2]; + u32 temp1[SEP_AES_BLOCK_SIZE_WORDS]; + u32 temp2[SEP_AES_BLOCK_SIZE_WORDS]; + } xtx_data; + } s_data; + u8 dummy_block[SEP_AES_DUMMY_BLOCK_SIZE]; +}; + +struct sep_aes_private_context { + u32 valid_tag; + u32 aes_iv; + u32 op_mode; + u8 cbuff[sizeof(struct sep_aes_internal_context)]; +}; + +struct sep_hash_internal_context { + u32 hash_result[SEP_HASH_RESULT_SIZE_WORDS]; + enum hash_op_mode hash_opmode; + u32 previous_data[SEP_SHA2_BLOCK_SIZE_WORDS]; + u16 prev_update_bytes; + u32 total_proc_128bit[4]; + u16 op_mode_block_size; + u8 dummy_aes_block[SEP_AES_DUMMY_BLOCK_SIZE]; +}; + +struct sep_hash_private_context { + u32 valid_tag; + u32 iv; + u8 internal_context[sizeof(struct sep_hash_internal_context)]; +}; + +union key_t { + struct sep_des_key des; + u32 aes[SEP_AES_MAX_KEY_SIZE_WORDS]; +}; + +/* Context structures for crypto API */ +/** + * Structure for this current task context + * This same structure is used for both hash + * and crypt in order to reduce duplicate code + * for stuff that is done for both hash operations + * and crypto operations. We cannot trust that the + * system context is not pulled out from under + * us during operation to operation, so all + * critical stuff such as data pointers must + * be in in a context that is exclusive for this + * particular task at hand. + */ +struct this_task_ctx { + struct sep_device *sep_used; + u32 done; + unsigned char iv[100]; + enum des_enc_mode des_encmode; + enum des_op_mode des_opmode; + enum aes_enc_mode aes_encmode; + enum aes_op_mode aes_opmode; + u32 init_opcode; + u32 block_opcode; + size_t data_length; + size_t ivlen; + struct ablkcipher_walk walk; + int i_own_sep; /* Do I have custody of the sep? */ + struct sep_call_status call_status; + struct build_dcb_struct_kernel dcb_input_data; + struct sep_dma_context *dma_ctx; + void *dmatables_region; + size_t nbytes; + struct sep_dcblock *dcb_region; + struct sep_queue_info *queue_elem; + int msg_len_words; + unsigned char msg[SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES]; + void *msgptr; + struct scatterlist *src_sg; + struct scatterlist *dst_sg; + struct scatterlist *src_sg_hold; + struct scatterlist *dst_sg_hold; + struct ahash_request *current_hash_req; + struct ablkcipher_request *current_cypher_req; + enum type_of_request current_request; + int digest_size_words; + int digest_size_bytes; + int block_size_words; + int block_size_bytes; + enum hash_op_mode hash_opmode; + enum hash_stage current_hash_stage; + /** + * Not that this is a pointer. The are_we_done_yet variable is + * allocated by the task function. This way, even if the kernel + * crypto infrastructure has grabbed the task structure out from + * under us, the task function can still see this variable. + */ + int *are_we_done_yet; + unsigned long end_time; + }; + +struct sep_system_ctx { + union key_t key; + size_t keylen; + int key_sent; + enum des_numkey des_nbr_keys; + enum aes_keysize aes_key_size; + unsigned long end_time; + struct sep_des_private_context des_private_ctx; + struct sep_aes_private_context aes_private_ctx; + struct sep_hash_private_context hash_private_ctx; + }; + +/* work queue structures */ +struct sep_work_struct { + struct work_struct work; + void (*callback)(void *); + void *data; + }; + +/* Functions */ +int sep_crypto_setup(void); +void sep_crypto_takedown(void); diff --git a/drivers/staging/sep/sep_dev.h b/drivers/staging/sep/sep_dev.h index 696ab0dd2b7..5f6a07f59dd 100644 --- a/drivers/staging/sep/sep_dev.h +++ b/drivers/staging/sep/sep_dev.h @@ -5,8 +5,8 @@ * * sep_dev.h - Security Processor Device Structures * - * Copyright(c) 2009,2010 Intel Corporation. All rights reserved. - * Contributions(c) 2009,2010 Discretix. All rights reserved. + * Copyright(c) 2009-2011 Intel Corporation. All rights reserved. + * Contributions(c) 2009-2011 Discretix. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free @@ -28,6 +28,7 @@ * * CHANGES * 2010.09.14 upgrade to Medfield + * 2011.02.22 enable kernel crypto */ struct sep_device { @@ -36,33 +37,21 @@ struct sep_device { /* character device file */ struct cdev sep_cdev; - struct cdev sep_daemon_cdev; - struct cdev sep_singleton_cdev; /* devices (using misc dev) */ struct miscdevice miscdev_sep; - struct miscdevice miscdev_singleton; - struct miscdevice miscdev_daemon; /* major / minor numbers of device */ dev_t sep_devno; - dev_t sep_daemon_devno; - dev_t sep_singleton_devno; - - struct mutex sep_mutex; - struct mutex ioctl_mutex; + /* guards command sent counter */ spinlock_t snd_rply_lck; + /* guards driver memory usage in fastcall if */ + struct semaphore sep_doublebuf; /* flags to indicate use and lock status of sep */ u32 pid_doing_transaction; unsigned long in_use_flags; - /* request daemon alread open */ - unsigned long request_daemon_open; - - /* 1 = Moorestown; 0 = Medfield */ - int mrst; - /* address of the shared memory allocated during init for SEP driver (coherent alloc) */ dma_addr_t shared_bus; @@ -74,36 +63,77 @@ struct sep_device { dma_addr_t reg_physical_end; void __iomem *reg_addr; - /* wait queue head (event) of the driver */ - wait_queue_head_t event; - wait_queue_head_t event_request_daemon; - wait_queue_head_t event_mmap; + /* wait queue heads of the driver */ + wait_queue_head_t event_interrupt; + wait_queue_head_t event_transactions; - struct sep_caller_id_entry - caller_id_table[SEP_CALLER_ID_TABLE_NUM_ENTRIES]; + struct list_head sep_queue_status; + u32 sep_queue_num; + spinlock_t sep_queue_lock; - /* access flag for singleton device */ - unsigned long singleton_access_flag; + /* Is this in use? */ + u32 in_use; + + /* indicates whether power save is set up */ + u32 power_save_setup; + + /* Power state */ + u32 power_state; /* transaction counter that coordinates the transactions between SEP and HOST */ unsigned long send_ct; /* counter for the messages from sep */ unsigned long reply_ct; - /* counter for the number of bytes allocated in the pool for the - current transaction */ - long data_pool_bytes_allocated; - u32 num_of_data_allocations; + /* The following are used for kernel crypto client requests */ + u32 in_kernel; /* Set for kernel client request */ + struct tasklet_struct finish_tasklet; + enum type_of_request current_request; + enum hash_stage current_hash_stage; + struct ahash_request *current_hash_req; + struct ablkcipher_request *current_cypher_req; + struct this_task_ctx *ta_ctx; + struct workqueue_struct *workqueue; +}; - /* number of the lli tables created in the current transaction */ - u32 num_lli_tables_created; +extern struct sep_device *sep_dev; - /* number of data control blocks */ - u32 nr_dcb_creat; +/** + * SEP message header for a transaction + * @reserved: reserved memory (two words) + * @token: SEP message token + * @msg_len: message length + * @opcpde: message opcode + */ +struct sep_msgarea_hdr { + u32 reserved[2]; + u32 token; + u32 msg_len; + u32 opcode; +}; - struct sep_dma_resource dma_res_arr[SEP_MAX_NUM_SYNC_DMA_OPS]; +/** + * sep_queue_data - data to be maintained in status queue for a transaction + * @opcode : transaction opcode + * @size : message size + * @pid: owner process + * @name: owner process name + */ +struct sep_queue_data { + u32 opcode; + u32 size; + s32 pid; + u8 name[TASK_COMM_LEN]; +}; +/** sep_queue_info - maintains status info of all transactions + * @list: head of list + * @sep_queue_data : data for transaction + */ +struct sep_queue_info { + struct list_head list; + struct sep_queue_data data; }; static inline void sep_write_reg(struct sep_device *dev, int reg, u32 value) diff --git a/drivers/staging/sep/sep_driver.c b/drivers/staging/sep/sep_driver.c deleted file mode 100644 index 6b3d156d414..00000000000 --- a/drivers/staging/sep/sep_driver.c +++ /dev/null @@ -1,2932 +0,0 @@ -/* - * - * sep_driver.c - Security Processor Driver main group of functions - * - * Copyright(c) 2009,2010 Intel Corporation. All rights reserved. - * Contributions(c) 2009,2010 Discretix. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * CONTACTS: - * - * Mark Allyn mark.a.allyn@intel.com - * Jayant Mangalampalli jayant.mangalampalli@intel.com - * - * CHANGES: - * - * 2009.06.26 Initial publish - * 2010.09.14 Upgrade to Medfield - * - */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/miscdevice.h> -#include <linux/fs.h> -#include <linux/cdev.h> -#include <linux/kdev_t.h> -#include <linux/mutex.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/poll.h> -#include <linux/wait.h> -#include <linux/pci.h> -#include <linux/firmware.h> -#include <linux/slab.h> -#include <linux/ioctl.h> -#include <asm/current.h> -#include <linux/ioport.h> -#include <linux/io.h> -#include <linux/interrupt.h> -#include <linux/pagemap.h> -#include <asm/cacheflush.h> -#include <linux/delay.h> -#include <linux/jiffies.h> -#include <linux/rar_register.h> - -#include "sep_driver_hw_defs.h" -#include "sep_driver_config.h" -#include "sep_driver_api.h" -#include "sep_dev.h" - -/*---------------------------------------- - DEFINES ------------------------------------------*/ - -#define SEP_RAR_IO_MEM_REGION_SIZE 0x40000 - -/*-------------------------------------------- - GLOBAL variables ---------------------------------------------*/ - -/* Keep this a single static object for now to keep the conversion easy */ - -static struct sep_device *sep_dev; - -/** - * sep_dump_message - dump the message that is pending - * @sep: SEP device - */ -static void sep_dump_message(struct sep_device *sep) -{ - int count; - u32 *p = sep->shared_addr; - for (count = 0; count < 12 * 4; count += 4) - dev_dbg(&sep->pdev->dev, "Word %d of the message is %x\n", - count, *p++); -} - -/** - * sep_map_and_alloc_shared_area - allocate shared block - * @sep: security processor - * @size: size of shared area - */ -static int sep_map_and_alloc_shared_area(struct sep_device *sep) -{ - sep->shared_addr = dma_alloc_coherent(&sep->pdev->dev, - sep->shared_size, - &sep->shared_bus, GFP_KERNEL); - - if (!sep->shared_addr) { - dev_warn(&sep->pdev->dev, - "shared memory dma_alloc_coherent failed\n"); - return -ENOMEM; - } - dev_dbg(&sep->pdev->dev, - "shared_addr %zx bytes @%p (bus %llx)\n", - sep->shared_size, sep->shared_addr, - (unsigned long long)sep->shared_bus); - return 0; -} - -/** - * sep_unmap_and_free_shared_area - free shared block - * @sep: security processor - */ -static void sep_unmap_and_free_shared_area(struct sep_device *sep) -{ - dma_free_coherent(&sep->pdev->dev, sep->shared_size, - sep->shared_addr, sep->shared_bus); -} - -/** - * sep_shared_bus_to_virt - convert bus/virt addresses - * @sep: pointer to struct sep_device - * @bus_address: address to convert - * - * Returns virtual address inside the shared area according - * to the bus address. - */ -static void *sep_shared_bus_to_virt(struct sep_device *sep, - dma_addr_t bus_address) -{ - return sep->shared_addr + (bus_address - sep->shared_bus); -} - -/** - * open function for the singleton driver - * @inode_ptr struct inode * - * @file_ptr struct file * - * - * Called when the user opens the singleton device interface - */ -static int sep_singleton_open(struct inode *inode_ptr, struct file *file_ptr) -{ - struct sep_device *sep; - - /* - * Get the SEP device structure and use it for the - * private_data field in filp for other methods - */ - sep = sep_dev; - - file_ptr->private_data = sep; - - if (test_and_set_bit(0, &sep->singleton_access_flag)) - return -EBUSY; - return 0; -} - -/** - * sep_open - device open method - * @inode: inode of SEP device - * @filp: file handle to SEP device - * - * Open method for the SEP device. Called when userspace opens - * the SEP device node. - * - * Returns zero on success otherwise an error code. - */ -static int sep_open(struct inode *inode, struct file *filp) -{ - struct sep_device *sep; - - /* - * Get the SEP device structure and use it for the - * private_data field in filp for other methods - */ - sep = sep_dev; - filp->private_data = sep; - - /* Anyone can open; locking takes place at transaction level */ - return 0; -} - -/** - * sep_singleton_release - close a SEP singleton device - * @inode: inode of SEP device - * @filp: file handle being closed - * - * Called on the final close of a SEP device. As the open protects against - * multiple simultaenous opens that means this method is called when the - * final reference to the open handle is dropped. - */ -static int sep_singleton_release(struct inode *inode, struct file *filp) -{ - struct sep_device *sep = filp->private_data; - - clear_bit(0, &sep->singleton_access_flag); - return 0; -} - -/** - * sep_request_daemon_open - request daemon open method - * @inode: inode of SEP device - * @filp: file handle to SEP device - * - * Open method for the SEP request daemon. Called when - * request daemon in userspace opens the SEP device node. - * - * Returns zero on success otherwise an error code. - */ -static int sep_request_daemon_open(struct inode *inode, struct file *filp) -{ - struct sep_device *sep = sep_dev; - int error = 0; - - filp->private_data = sep; - - /* There is supposed to be only one request daemon */ - if (test_and_set_bit(0, &sep->request_daemon_open)) - error = -EBUSY; - return error; -} - -/** - * sep_request_daemon_release - close a SEP daemon - * @inode: inode of SEP device - * @filp: file handle being closed - * - * Called on the final close of a SEP daemon. - */ -static int sep_request_daemon_release(struct inode *inode, struct file *filp) -{ - struct sep_device *sep = filp->private_data; - - dev_dbg(&sep->pdev->dev, "Request daemon release for pid %d\n", - current->pid); - - /* Clear the request_daemon_open flag */ - clear_bit(0, &sep->request_daemon_open); - return 0; -} - -/** - * sep_req_daemon_send_reply_command_handler - poke the SEP - * @sep: struct sep_device * - * - * This function raises interrupt to SEPm that signals that is has a - * new command from HOST - */ -static int sep_req_daemon_send_reply_command_handler(struct sep_device *sep) -{ - unsigned long lck_flags; - - sep_dump_message(sep); - - /* Counters are lockable region */ - spin_lock_irqsave(&sep->snd_rply_lck, lck_flags); - sep->send_ct++; - sep->reply_ct++; - - /* Send the interrupt to SEP */ - sep_write_reg(sep, HW_HOST_HOST_SEP_GPR2_REG_ADDR, sep->send_ct); - sep->send_ct++; - - spin_unlock_irqrestore(&sep->snd_rply_lck, lck_flags); - - dev_dbg(&sep->pdev->dev, - "sep_req_daemon_send_reply send_ct %lx reply_ct %lx\n", - sep->send_ct, sep->reply_ct); - - return 0; -} - - -/** - * sep_free_dma_table_data_handler - free DMA table - * @sep: pointere to struct sep_device - * - * Handles the request to free DMA table for synchronic actions - */ -static int sep_free_dma_table_data_handler(struct sep_device *sep) -{ - int count; - int dcb_counter; - /* Pointer to the current dma_resource struct */ - struct sep_dma_resource *dma; - - for (dcb_counter = 0; dcb_counter < sep->nr_dcb_creat; dcb_counter++) { - dma = &sep->dma_res_arr[dcb_counter]; - - /* Unmap and free input map array */ - if (dma->in_map_array) { - for (count = 0; count < dma->in_num_pages; count++) { - dma_unmap_page(&sep->pdev->dev, - dma->in_map_array[count].dma_addr, - dma->in_map_array[count].size, - DMA_TO_DEVICE); - } - kfree(dma->in_map_array); - } - - /* Unmap output map array, DON'T free it yet */ - if (dma->out_map_array) { - for (count = 0; count < dma->out_num_pages; count++) { - dma_unmap_page(&sep->pdev->dev, - dma->out_map_array[count].dma_addr, - dma->out_map_array[count].size, - DMA_FROM_DEVICE); - } - kfree(dma->out_map_array); - } - - /* Free page cache for output */ - if (dma->in_page_array) { - for (count = 0; count < dma->in_num_pages; count++) { - flush_dcache_page(dma->in_page_array[count]); - page_cache_release(dma->in_page_array[count]); - } - kfree(dma->in_page_array); - } - - if (dma->out_page_array) { - for (count = 0; count < dma->out_num_pages; count++) { - if (!PageReserved(dma->out_page_array[count])) - SetPageDirty(dma->out_page_array[count]); - flush_dcache_page(dma->out_page_array[count]); - page_cache_release(dma->out_page_array[count]); - } - kfree(dma->out_page_array); - } - - /* Reset all the values */ - dma->in_page_array = NULL; - dma->out_page_array = NULL; - dma->in_num_pages = 0; - dma->out_num_pages = 0; - dma->in_map_array = NULL; - dma->out_map_array = NULL; - dma->in_map_num_entries = 0; - dma->out_map_num_entries = 0; - } - - sep->nr_dcb_creat = 0; - sep->num_lli_tables_created = 0; - - return 0; -} - -/** - * sep_request_daemon_mmap - maps the shared area to user space - * @filp: pointer to struct file - * @vma: pointer to vm_area_struct - * - * Called by the kernel when the daemon attempts an mmap() syscall - * using our handle. - */ -static int sep_request_daemon_mmap(struct file *filp, - struct vm_area_struct *vma) -{ - struct sep_device *sep = filp->private_data; - dma_addr_t bus_address; - int error = 0; - - if ((vma->vm_end - vma->vm_start) > SEP_DRIVER_MMMAP_AREA_SIZE) { - error = -EINVAL; - goto end_function; - } - - /* Get physical address */ - bus_address = sep->shared_bus; - - if (remap_pfn_range(vma, vma->vm_start, bus_address >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) { - - dev_warn(&sep->pdev->dev, "remap_page_range failed\n"); - error = -EAGAIN; - goto end_function; - } - -end_function: - return error; -} - -/** - * sep_request_daemon_poll - poll implementation - * @sep: struct sep_device * for current SEP device - * @filp: struct file * for open file - * @wait: poll_table * for poll - * - * Called when our device is part of a poll() or select() syscall - */ -static unsigned int sep_request_daemon_poll(struct file *filp, - poll_table *wait) -{ - u32 mask = 0; - /* GPR2 register */ - u32 retval2; - unsigned long lck_flags; - struct sep_device *sep = filp->private_data; - - poll_wait(filp, &sep->event_request_daemon, wait); - - dev_dbg(&sep->pdev->dev, "daemon poll: send_ct is %lx reply ct is %lx\n", - sep->send_ct, sep->reply_ct); - - spin_lock_irqsave(&sep->snd_rply_lck, lck_flags); - /* Check if the data is ready */ - if (sep->send_ct == sep->reply_ct) { - spin_unlock_irqrestore(&sep->snd_rply_lck, lck_flags); - - retval2 = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR2_REG_ADDR); - dev_dbg(&sep->pdev->dev, - "daemon poll: data check (GPR2) is %x\n", retval2); - - /* Check if PRINT request */ - if ((retval2 >> 30) & 0x1) { - dev_dbg(&sep->pdev->dev, "daemon poll: PRINTF request in\n"); - mask |= POLLIN; - goto end_function; - } - /* Check if NVS request */ - if (retval2 >> 31) { - dev_dbg(&sep->pdev->dev, "daemon poll: NVS request in\n"); - mask |= POLLPRI | POLLWRNORM; - } - } else { - spin_unlock_irqrestore(&sep->snd_rply_lck, lck_flags); - dev_dbg(&sep->pdev->dev, - "daemon poll: no reply received; returning 0\n"); - mask = 0; - } -end_function: - return mask; -} - -/** - * sep_release - close a SEP device - * @inode: inode of SEP device - * @filp: file handle being closed - * - * Called on the final close of a SEP device. - */ -static int sep_release(struct inode *inode, struct file *filp) -{ - struct sep_device *sep = filp->private_data; - - dev_dbg(&sep->pdev->dev, "Release for pid %d\n", current->pid); - - mutex_lock(&sep->sep_mutex); - /* Is this the process that has a transaction open? - * If so, lets reset pid_doing_transaction to 0 and - * clear the in use flags, and then wake up sep_event - * so that other processes can do transactions - */ - if (sep->pid_doing_transaction == current->pid) { - clear_bit(SEP_MMAP_LOCK_BIT, &sep->in_use_flags); - clear_bit(SEP_SEND_MSG_LOCK_BIT, &sep->in_use_flags); - sep_free_dma_table_data_handler(sep); - wake_up(&sep->event); - sep->pid_doing_transaction = 0; - } - - mutex_unlock(&sep->sep_mutex); - return 0; -} - -/** - * sep_mmap - maps the shared area to user space - * @filp: pointer to struct file - * @vma: pointer to vm_area_struct - * - * Called on an mmap of our space via the normal SEP device - */ -static int sep_mmap(struct file *filp, struct vm_area_struct *vma) -{ - dma_addr_t bus_addr; - struct sep_device *sep = filp->private_data; - unsigned long error = 0; - - /* Set the transaction busy (own the device) */ - wait_event_interruptible(sep->event, - test_and_set_bit(SEP_MMAP_LOCK_BIT, - &sep->in_use_flags) == 0); - - if (signal_pending(current)) { - error = -EINTR; - goto end_function_with_error; - } - /* - * The pid_doing_transaction indicates that this process - * now owns the facilities to performa a transaction with - * the SEP. While this process is performing a transaction, - * no other process who has the SEP device open can perform - * any transactions. This method allows more than one process - * to have the device open at any given time, which provides - * finer granularity for device utilization by multiple - * processes. - */ - mutex_lock(&sep->sep_mutex); - sep->pid_doing_transaction = current->pid; - mutex_unlock(&sep->sep_mutex); - - /* Zero the pools and the number of data pool alocation pointers */ - sep->data_pool_bytes_allocated = 0; - sep->num_of_data_allocations = 0; - - /* - * Check that the size of the mapped range is as the size of the message - * shared area - */ - if ((vma->vm_end - vma->vm_start) > SEP_DRIVER_MMMAP_AREA_SIZE) { - error = -EINVAL; - goto end_function_with_error; - } - - dev_dbg(&sep->pdev->dev, "shared_addr is %p\n", sep->shared_addr); - - /* Get bus address */ - bus_addr = sep->shared_bus; - - if (remap_pfn_range(vma, vma->vm_start, bus_addr >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) { - dev_warn(&sep->pdev->dev, "remap_page_range failed\n"); - error = -EAGAIN; - goto end_function_with_error; - } - goto end_function; - -end_function_with_error: - /* Clear the bit */ - clear_bit(SEP_MMAP_LOCK_BIT, &sep->in_use_flags); - mutex_lock(&sep->sep_mutex); - sep->pid_doing_transaction = 0; - mutex_unlock(&sep->sep_mutex); - - /* Raise event for stuck contextes */ - - wake_up(&sep->event); - -end_function: - return error; -} - -/** - * sep_poll - poll handler - * @filp: pointer to struct file - * @wait: pointer to poll_table - * - * Called by the OS when the kernel is asked to do a poll on - * a SEP file handle. - */ -static unsigned int sep_poll(struct file *filp, poll_table *wait) -{ - u32 mask = 0; - u32 retval = 0; - u32 retval2 = 0; - unsigned long lck_flags; - - struct sep_device *sep = filp->private_data; - - /* Am I the process that owns the transaction? */ - mutex_lock(&sep->sep_mutex); - if (current->pid != sep->pid_doing_transaction) { - dev_dbg(&sep->pdev->dev, "poll; wrong pid\n"); - mask = POLLERR; - mutex_unlock(&sep->sep_mutex); - goto end_function; - } - mutex_unlock(&sep->sep_mutex); - - /* Check if send command or send_reply were activated previously */ - if (!test_bit(SEP_SEND_MSG_LOCK_BIT, &sep->in_use_flags)) { - mask = POLLERR; - goto end_function; - } - - /* Add the event to the polling wait table */ - dev_dbg(&sep->pdev->dev, "poll: calling wait sep_event\n"); - - poll_wait(filp, &sep->event, wait); - - dev_dbg(&sep->pdev->dev, "poll: send_ct is %lx reply ct is %lx\n", - sep->send_ct, sep->reply_ct); - - /* Check if error occurred during poll */ - retval2 = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR3_REG_ADDR); - if (retval2 != 0x0) { - dev_warn(&sep->pdev->dev, "poll; poll error %x\n", retval2); - mask |= POLLERR; - goto end_function; - } - - spin_lock_irqsave(&sep->snd_rply_lck, lck_flags); - - if (sep->send_ct == sep->reply_ct) { - spin_unlock_irqrestore(&sep->snd_rply_lck, lck_flags); - retval = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR2_REG_ADDR); - dev_dbg(&sep->pdev->dev, "poll: data ready check (GPR2) %x\n", - retval); - - /* Check if printf request */ - if ((retval >> 30) & 0x1) { - dev_dbg(&sep->pdev->dev, "poll: SEP printf request\n"); - wake_up(&sep->event_request_daemon); - goto end_function; - } - - /* Check if the this is SEP reply or request */ - if (retval >> 31) { - dev_dbg(&sep->pdev->dev, "poll: SEP request\n"); - wake_up(&sep->event_request_daemon); - } else { - dev_dbg(&sep->pdev->dev, "poll: normal return\n"); - /* In case it is again by send_reply_comand */ - clear_bit(SEP_SEND_MSG_LOCK_BIT, &sep->in_use_flags); - sep_dump_message(sep); - dev_dbg(&sep->pdev->dev, - "poll; SEP reply POLLIN | POLLRDNORM\n"); - mask |= POLLIN | POLLRDNORM; - } - } else { - spin_unlock_irqrestore(&sep->snd_rply_lck, lck_flags); - dev_dbg(&sep->pdev->dev, - "poll; no reply received; returning mask of 0\n"); - mask = 0; - } - -end_function: - return mask; -} - -/** - * sep_time_address - address in SEP memory of time - * @sep: SEP device we want the address from - * - * Return the address of the two dwords in memory used for time - * setting. - */ -static u32 *sep_time_address(struct sep_device *sep) -{ - return sep->shared_addr + SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES; -} - -/** - * sep_set_time - set the SEP time - * @sep: the SEP we are setting the time for - * - * Calculates time and sets it at the predefined address. - * Called with the SEP mutex held. - */ -static unsigned long sep_set_time(struct sep_device *sep) -{ - struct timeval time; - u32 *time_addr; /* Address of time as seen by the kernel */ - - - do_gettimeofday(&time); - - /* Set value in the SYSTEM MEMORY offset */ - time_addr = sep_time_address(sep); - - time_addr[0] = SEP_TIME_VAL_TOKEN; - time_addr[1] = time.tv_sec; - - dev_dbg(&sep->pdev->dev, "time.tv_sec is %lu\n", time.tv_sec); - dev_dbg(&sep->pdev->dev, "time_addr is %p\n", time_addr); - dev_dbg(&sep->pdev->dev, "sep->shared_addr is %p\n", sep->shared_addr); - - return time.tv_sec; -} - -/** - * sep_set_caller_id_handler - insert caller id entry - * @sep: SEP device - * @arg: pointer to struct caller_id_struct - * - * Inserts the data into the caller id table. Note that this function - * falls under the ioctl lock - */ -static int sep_set_caller_id_handler(struct sep_device *sep, unsigned long arg) -{ - void __user *hash; - int error = 0; - int i; - struct caller_id_struct command_args; - - for (i = 0; i < SEP_CALLER_ID_TABLE_NUM_ENTRIES; i++) { - if (sep->caller_id_table[i].pid == 0) - break; - } - - if (i == SEP_CALLER_ID_TABLE_NUM_ENTRIES) { - dev_dbg(&sep->pdev->dev, "no more caller id entries left\n"); - dev_dbg(&sep->pdev->dev, "maximum number is %d\n", - SEP_CALLER_ID_TABLE_NUM_ENTRIES); - error = -EUSERS; - goto end_function; - } - - /* Copy the data */ - if (copy_from_user(&command_args, (void __user *)arg, - sizeof(command_args))) { - error = -EFAULT; - goto end_function; - } - - hash = (void __user *)(unsigned long)command_args.callerIdAddress; - - if (!command_args.pid || !command_args.callerIdSizeInBytes) { - error = -EINVAL; - goto end_function; - } - - dev_dbg(&sep->pdev->dev, "pid is %x\n", command_args.pid); - dev_dbg(&sep->pdev->dev, "callerIdSizeInBytes is %x\n", - command_args.callerIdSizeInBytes); - - if (command_args.callerIdSizeInBytes > - SEP_CALLER_ID_HASH_SIZE_IN_BYTES) { - error = -EMSGSIZE; - goto end_function; - } - - sep->caller_id_table[i].pid = command_args.pid; - - if (copy_from_user(sep->caller_id_table[i].callerIdHash, - hash, command_args.callerIdSizeInBytes)) - error = -EFAULT; -end_function: - return error; -} - -/** - * sep_set_current_caller_id - set the caller id - * @sep: pointer to struct_sep_device - * - * Set the caller ID (if it exists) to the SEP. Note that this - * function falls under the ioctl lock - */ -static int sep_set_current_caller_id(struct sep_device *sep) -{ - int i; - u32 *hash_buf_ptr; - - /* Zero the previous value */ - memset(sep->shared_addr + SEP_CALLER_ID_OFFSET_BYTES, - 0, SEP_CALLER_ID_HASH_SIZE_IN_BYTES); - - for (i = 0; i < SEP_CALLER_ID_TABLE_NUM_ENTRIES; i++) { - if (sep->caller_id_table[i].pid == current->pid) { - dev_dbg(&sep->pdev->dev, "Caller Id found\n"); - - memcpy(sep->shared_addr + SEP_CALLER_ID_OFFSET_BYTES, - (void *)(sep->caller_id_table[i].callerIdHash), - SEP_CALLER_ID_HASH_SIZE_IN_BYTES); - break; - } - } - /* Ensure data is in little endian */ - hash_buf_ptr = (u32 *)sep->shared_addr + - SEP_CALLER_ID_OFFSET_BYTES; - - for (i = 0; i < SEP_CALLER_ID_HASH_SIZE_IN_WORDS; i++) - hash_buf_ptr[i] = cpu_to_le32(hash_buf_ptr[i]); - - return 0; -} - -/** - * sep_send_command_handler - kick off a command - * @sep: SEP being signalled - * - * This function raises interrupt to SEP that signals that is has a new - * command from the host - * - * Note that this function does fall under the ioctl lock - */ -static int sep_send_command_handler(struct sep_device *sep) -{ - unsigned long lck_flags; - int error = 0; - - if (test_and_set_bit(SEP_SEND_MSG_LOCK_BIT, &sep->in_use_flags)) { - error = -EPROTO; - goto end_function; - } - sep_set_time(sep); - - sep_set_current_caller_id(sep); - - sep_dump_message(sep); - - /* Update counter */ - spin_lock_irqsave(&sep->snd_rply_lck, lck_flags); - sep->send_ct++; - spin_unlock_irqrestore(&sep->snd_rply_lck, lck_flags); - - dev_dbg(&sep->pdev->dev, - "sep_send_command_handler send_ct %lx reply_ct %lx\n", - sep->send_ct, sep->reply_ct); - - /* Send interrupt to SEP */ - sep_write_reg(sep, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x2); - -end_function: - return error; -} - -/** - * sep_allocate_data_pool_memory_handler -allocate pool memory - * @sep: pointer to struct sep_device - * @arg: pointer to struct alloc_struct - * - * This function handles the allocate data pool memory request - * This function returns calculates the bus address of the - * allocated memory, and the offset of this area from the mapped address. - * Therefore, the FVOs in user space can calculate the exact virtual - * address of this allocated memory - */ -static int sep_allocate_data_pool_memory_handler(struct sep_device *sep, - unsigned long arg) -{ - int error = 0; - struct alloc_struct command_args; - - /* Holds the allocated buffer address in the system memory pool */ - u32 *token_addr; - - if (copy_from_user(&command_args, (void __user *)arg, - sizeof(struct alloc_struct))) { - error = -EFAULT; - goto end_function; - } - - /* Allocate memory */ - if ((sep->data_pool_bytes_allocated + command_args.num_bytes) > - SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES) { - error = -ENOMEM; - goto end_function; - } - - dev_dbg(&sep->pdev->dev, - "data pool bytes_allocated: %x\n", (int)sep->data_pool_bytes_allocated); - dev_dbg(&sep->pdev->dev, - "offset: %x\n", SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES); - /* Set the virtual and bus address */ - command_args.offset = SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES + - sep->data_pool_bytes_allocated; - - /* Place in the shared area that is known by the SEP */ - token_addr = (u32 *)(sep->shared_addr + - SEP_DRIVER_DATA_POOL_ALLOCATION_OFFSET_IN_BYTES + - (sep->num_of_data_allocations)*2*sizeof(u32)); - - token_addr[0] = SEP_DATA_POOL_POINTERS_VAL_TOKEN; - token_addr[1] = (u32)sep->shared_bus + - SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES + - sep->data_pool_bytes_allocated; - - /* Write the memory back to the user space */ - error = copy_to_user((void *)arg, (void *)&command_args, - sizeof(struct alloc_struct)); - if (error) { - error = -EFAULT; - goto end_function; - } - - /* Update the allocation */ - sep->data_pool_bytes_allocated += command_args.num_bytes; - sep->num_of_data_allocations += 1; - -end_function: - return error; -} - -/** - * sep_lock_kernel_pages - map kernel pages for DMA - * @sep: pointer to struct sep_device - * @kernel_virt_addr: address of data buffer in kernel - * @data_size: size of data - * @lli_array_ptr: lli array - * @in_out_flag: input into device or output from device - * - * This function locks all the physical pages of the kernel virtual buffer - * and construct a basic lli array, where each entry holds the physical - * page address and the size that application data holds in this page - * This function is used only during kernel crypto mod calls from within - * the kernel (when ioctl is not used) - */ -static int sep_lock_kernel_pages(struct sep_device *sep, - unsigned long kernel_virt_addr, - u32 data_size, - struct sep_lli_entry **lli_array_ptr, - int in_out_flag) - -{ - int error = 0; - /* Array of lli */ - struct sep_lli_entry *lli_array; - /* Map array */ - struct sep_dma_map *map_array; - - dev_dbg(&sep->pdev->dev, "lock kernel pages kernel_virt_addr is %08lx\n", - (unsigned long)kernel_virt_addr); - dev_dbg(&sep->pdev->dev, "data_size is %x\n", data_size); - - lli_array = kmalloc(sizeof(struct sep_lli_entry), GFP_ATOMIC); - if (!lli_array) { - error = -ENOMEM; - goto end_function; - } - map_array = kmalloc(sizeof(struct sep_dma_map), GFP_ATOMIC); - if (!map_array) { - error = -ENOMEM; - goto end_function_with_error; - } - - map_array[0].dma_addr = - dma_map_single(&sep->pdev->dev, (void *)kernel_virt_addr, - data_size, DMA_BIDIRECTIONAL); - map_array[0].size = data_size; - - - /* - * Set the start address of the first page - app data may start not at - * the beginning of the page - */ - lli_array[0].bus_address = (u32)map_array[0].dma_addr; - lli_array[0].block_size = map_array[0].size; - - dev_dbg(&sep->pdev->dev, - "lli_array[0].bus_address is %08lx, lli_array[0].block_size is %x\n", - (unsigned long)lli_array[0].bus_address, - lli_array[0].block_size); - - /* Set the output parameters */ - if (in_out_flag == SEP_DRIVER_IN_FLAG) { - *lli_array_ptr = lli_array; - sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages = 1; - sep->dma_res_arr[sep->nr_dcb_creat].in_page_array = NULL; - sep->dma_res_arr[sep->nr_dcb_creat].in_map_array = map_array; - sep->dma_res_arr[sep->nr_dcb_creat].in_map_num_entries = 1; - } else { - *lli_array_ptr = lli_array; - sep->dma_res_arr[sep->nr_dcb_creat].out_num_pages = 1; - sep->dma_res_arr[sep->nr_dcb_creat].out_page_array = NULL; - sep->dma_res_arr[sep->nr_dcb_creat].out_map_array = map_array; - sep->dma_res_arr[sep->nr_dcb_creat].out_map_num_entries = 1; - } - goto end_function; - -end_function_with_error: - kfree(lli_array); - -end_function: - return error; -} - -/** - * sep_lock_user_pages - lock and map user pages for DMA - * @sep: pointer to struct sep_device - * @app_virt_addr: user memory data buffer - * @data_size: size of data buffer - * @lli_array_ptr: lli array - * @in_out_flag: input or output to device - * - * This function locks all the physical pages of the application - * virtual buffer and construct a basic lli array, where each entry - * holds the physical page address and the size that application - * data holds in this physical pages - */ -static int sep_lock_user_pages(struct sep_device *sep, - u32 app_virt_addr, - u32 data_size, - struct sep_lli_entry **lli_array_ptr, - int in_out_flag) - -{ - int error = 0; - u32 count; - int result; - /* The the page of the end address of the user space buffer */ - u32 end_page; - /* The page of the start address of the user space buffer */ - u32 start_page; - /* The range in pages */ - u32 num_pages; - /* Array of pointers to page */ - struct page **page_array; - /* Array of lli */ - struct sep_lli_entry *lli_array; - /* Map array */ - struct sep_dma_map *map_array; - /* Direction of the DMA mapping for locked pages */ - enum dma_data_direction dir; - - /* Set start and end pages and num pages */ - end_page = (app_virt_addr + data_size - 1) >> PAGE_SHIFT; - start_page = app_virt_addr >> PAGE_SHIFT; - num_pages = end_page - start_page + 1; - - dev_dbg(&sep->pdev->dev, "lock user pages app_virt_addr is %x\n", app_virt_addr); - dev_dbg(&sep->pdev->dev, "data_size is %x\n", data_size); - dev_dbg(&sep->pdev->dev, "start_page is %x\n", start_page); - dev_dbg(&sep->pdev->dev, "end_page is %x\n", end_page); - dev_dbg(&sep->pdev->dev, "num_pages is %x\n", num_pages); - - /* Allocate array of pages structure pointers */ - page_array = kmalloc(sizeof(struct page *) * num_pages, GFP_ATOMIC); - if (!page_array) { - error = -ENOMEM; - goto end_function; - } - map_array = kmalloc(sizeof(struct sep_dma_map) * num_pages, GFP_ATOMIC); - if (!map_array) { - dev_warn(&sep->pdev->dev, "kmalloc for map_array failed\n"); - error = -ENOMEM; - goto end_function_with_error1; - } - - lli_array = kmalloc(sizeof(struct sep_lli_entry) * num_pages, - GFP_ATOMIC); - - if (!lli_array) { - dev_warn(&sep->pdev->dev, "kmalloc for lli_array failed\n"); - error = -ENOMEM; - goto end_function_with_error2; - } - - /* Convert the application virtual address into a set of physical */ - down_read(¤t->mm->mmap_sem); - result = get_user_pages(current, current->mm, app_virt_addr, - num_pages, - ((in_out_flag == SEP_DRIVER_IN_FLAG) ? 0 : 1), - 0, page_array, NULL); - - up_read(¤t->mm->mmap_sem); - - /* Check the number of pages locked - if not all then exit with error */ - if (result != num_pages) { - dev_warn(&sep->pdev->dev, - "not all pages locked by get_user_pages\n"); - error = -ENOMEM; - goto end_function_with_error3; - } - - dev_dbg(&sep->pdev->dev, "get_user_pages succeeded\n"); - - /* Set direction */ - if (in_out_flag == SEP_DRIVER_IN_FLAG) - dir = DMA_TO_DEVICE; - else - dir = DMA_FROM_DEVICE; - - /* - * Fill the array using page array data and - * map the pages - this action will also flush the cache as needed - */ - for (count = 0; count < num_pages; count++) { - /* Fill the map array */ - map_array[count].dma_addr = - dma_map_page(&sep->pdev->dev, page_array[count], - 0, PAGE_SIZE, /*dir*/DMA_BIDIRECTIONAL); - - map_array[count].size = PAGE_SIZE; - - /* Fill the lli array entry */ - lli_array[count].bus_address = (u32)map_array[count].dma_addr; - lli_array[count].block_size = PAGE_SIZE; - - dev_warn(&sep->pdev->dev, "lli_array[%x].bus_address is %08lx, lli_array[%x].block_size is %x\n", - count, (unsigned long)lli_array[count].bus_address, - count, lli_array[count].block_size); - } - - /* Check the offset for the first page */ - lli_array[0].bus_address = - lli_array[0].bus_address + (app_virt_addr & (~PAGE_MASK)); - - /* Check that not all the data is in the first page only */ - if ((PAGE_SIZE - (app_virt_addr & (~PAGE_MASK))) >= data_size) - lli_array[0].block_size = data_size; - else - lli_array[0].block_size = - PAGE_SIZE - (app_virt_addr & (~PAGE_MASK)); - - dev_dbg(&sep->pdev->dev, - "lli_array[0].bus_address is %08lx, lli_array[0].block_size is %x\n", - (unsigned long)lli_array[count].bus_address, - lli_array[count].block_size); - - /* Check the size of the last page */ - if (num_pages > 1) { - lli_array[num_pages - 1].block_size = - (app_virt_addr + data_size) & (~PAGE_MASK); - if (lli_array[num_pages - 1].block_size == 0) - lli_array[num_pages - 1].block_size = PAGE_SIZE; - - dev_warn(&sep->pdev->dev, - "lli_array[%x].bus_address is " - "%08lx, lli_array[%x].block_size is %x\n", - num_pages - 1, - (unsigned long)lli_array[num_pages - 1].bus_address, - num_pages - 1, - lli_array[num_pages - 1].block_size); - } - - /* Set output params according to the in_out flag */ - if (in_out_flag == SEP_DRIVER_IN_FLAG) { - *lli_array_ptr = lli_array; - sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages = num_pages; - sep->dma_res_arr[sep->nr_dcb_creat].in_page_array = page_array; - sep->dma_res_arr[sep->nr_dcb_creat].in_map_array = map_array; - sep->dma_res_arr[sep->nr_dcb_creat].in_map_num_entries = - num_pages; - } else { - *lli_array_ptr = lli_array; - sep->dma_res_arr[sep->nr_dcb_creat].out_num_pages = num_pages; - sep->dma_res_arr[sep->nr_dcb_creat].out_page_array = - page_array; - sep->dma_res_arr[sep->nr_dcb_creat].out_map_array = map_array; - sep->dma_res_arr[sep->nr_dcb_creat].out_map_num_entries = - num_pages; - } - goto end_function; - -end_function_with_error3: - /* Free lli array */ - kfree(lli_array); - -end_function_with_error2: - kfree(map_array); - -end_function_with_error1: - /* Free page array */ - kfree(page_array); - -end_function: - return error; -} - -/** - * u32 sep_calculate_lli_table_max_size - size the LLI table - * @sep: pointer to struct sep_device - * @lli_in_array_ptr - * @num_array_entries - * @last_table_flag - * - * This function calculates the size of data that can be inserted into - * the lli table from this array, such that either the table is full - * (all entries are entered), or there are no more entries in the - * lli array - */ -static u32 sep_calculate_lli_table_max_size(struct sep_device *sep, - struct sep_lli_entry *lli_in_array_ptr, - u32 num_array_entries, - u32 *last_table_flag) -{ - u32 counter; - /* Table data size */ - u32 table_data_size = 0; - /* Data size for the next table */ - u32 next_table_data_size; - - *last_table_flag = 0; - - /* - * Calculate the data in the out lli table till we fill the whole - * table or till the data has ended - */ - for (counter = 0; - (counter < (SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP - 1)) && - (counter < num_array_entries); counter++) - table_data_size += lli_in_array_ptr[counter].block_size; - - /* - * Check if we reached the last entry, - * meaning this ia the last table to build, - * and no need to check the block alignment - */ - if (counter == num_array_entries) { - /* Set the last table flag */ - *last_table_flag = 1; - goto end_function; - } - - /* - * Calculate the data size of the next table. - * Stop if no entries left or if data size is more the DMA restriction - */ - next_table_data_size = 0; - for (; counter < num_array_entries; counter++) { - next_table_data_size += lli_in_array_ptr[counter].block_size; - if (next_table_data_size >= SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE) - break; - } - - /* - * Check if the next table data size is less then DMA rstriction. - * if it is - recalculate the current table size, so that the next - * table data size will be adaquete for DMA - */ - if (next_table_data_size && - next_table_data_size < SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE) - - table_data_size -= (SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE - - next_table_data_size); - -end_function: - return table_data_size; -} - -/** - * sep_build_lli_table - build an lli array for the given table - * @sep: pointer to struct sep_device - * @lli_array_ptr: pointer to lli array - * @lli_table_ptr: pointer to lli table - * @num_processed_entries_ptr: pointer to number of entries - * @num_table_entries_ptr: pointer to number of tables - * @table_data_size: total data size - * - * Builds ant lli table from the lli_array according to - * the given size of data - */ -static void sep_build_lli_table(struct sep_device *sep, - struct sep_lli_entry *lli_array_ptr, - struct sep_lli_entry *lli_table_ptr, - u32 *num_processed_entries_ptr, - u32 *num_table_entries_ptr, - u32 table_data_size) -{ - /* Current table data size */ - u32 curr_table_data_size; - /* Counter of lli array entry */ - u32 array_counter; - - /* Init current table data size and lli array entry counter */ - curr_table_data_size = 0; - array_counter = 0; - *num_table_entries_ptr = 1; - - dev_dbg(&sep->pdev->dev, "build lli table table_data_size is %x\n", table_data_size); - - /* Fill the table till table size reaches the needed amount */ - while (curr_table_data_size < table_data_size) { - /* Update the number of entries in table */ - (*num_table_entries_ptr)++; - - lli_table_ptr->bus_address = - cpu_to_le32(lli_array_ptr[array_counter].bus_address); - - lli_table_ptr->block_size = - cpu_to_le32(lli_array_ptr[array_counter].block_size); - - curr_table_data_size += lli_array_ptr[array_counter].block_size; - - dev_dbg(&sep->pdev->dev, "lli_table_ptr is %p\n", - lli_table_ptr); - dev_dbg(&sep->pdev->dev, "lli_table_ptr->bus_address is %08lx\n", - (unsigned long)lli_table_ptr->bus_address); - dev_dbg(&sep->pdev->dev, "lli_table_ptr->block_size is %x\n", - lli_table_ptr->block_size); - - /* Check for overflow of the table data */ - if (curr_table_data_size > table_data_size) { - dev_dbg(&sep->pdev->dev, - "curr_table_data_size too large\n"); - - /* Update the size of block in the table */ - lli_table_ptr->block_size -= - cpu_to_le32((curr_table_data_size - table_data_size)); - - /* Update the physical address in the lli array */ - lli_array_ptr[array_counter].bus_address += - cpu_to_le32(lli_table_ptr->block_size); - - /* Update the block size left in the lli array */ - lli_array_ptr[array_counter].block_size = - (curr_table_data_size - table_data_size); - } else - /* Advance to the next entry in the lli_array */ - array_counter++; - - dev_dbg(&sep->pdev->dev, - "lli_table_ptr->bus_address is %08lx\n", - (unsigned long)lli_table_ptr->bus_address); - dev_dbg(&sep->pdev->dev, - "lli_table_ptr->block_size is %x\n", - lli_table_ptr->block_size); - - /* Move to the next entry in table */ - lli_table_ptr++; - } - - /* Set the info entry to default */ - lli_table_ptr->bus_address = 0xffffffff; - lli_table_ptr->block_size = 0; - - /* Set the output parameter */ - *num_processed_entries_ptr += array_counter; - -} - -/** - * sep_shared_area_virt_to_bus - map shared area to bus address - * @sep: pointer to struct sep_device - * @virt_address: virtual address to convert - * - * This functions returns the physical address inside shared area according - * to the virtual address. It can be either on the externa RAM device - * (ioremapped), or on the system RAM - * This implementation is for the external RAM - */ -static dma_addr_t sep_shared_area_virt_to_bus(struct sep_device *sep, - void *virt_address) -{ - dev_dbg(&sep->pdev->dev, "sh virt to phys v %p\n", virt_address); - dev_dbg(&sep->pdev->dev, "sh virt to phys p %08lx\n", - (unsigned long) - sep->shared_bus + (virt_address - sep->shared_addr)); - - return sep->shared_bus + (size_t)(virt_address - sep->shared_addr); -} - -/** - * sep_shared_area_bus_to_virt - map shared area bus address to kernel - * @sep: pointer to struct sep_device - * @bus_address: bus address to convert - * - * This functions returns the virtual address inside shared area - * according to the physical address. It can be either on the - * externa RAM device (ioremapped), or on the system RAM - * This implementation is for the external RAM - */ -static void *sep_shared_area_bus_to_virt(struct sep_device *sep, - dma_addr_t bus_address) -{ - dev_dbg(&sep->pdev->dev, "shared bus to virt b=%lx v=%lx\n", - (unsigned long)bus_address, (unsigned long)(sep->shared_addr + - (size_t)(bus_address - sep->shared_bus))); - - return sep->shared_addr + (size_t)(bus_address - sep->shared_bus); -} - -/** - * sep_debug_print_lli_tables - dump LLI table - * @sep: pointer to struct sep_device - * @lli_table_ptr: pointer to sep_lli_entry - * @num_table_entries: number of entries - * @table_data_size: total data size - * - * Walk the the list of the print created tables and print all the data - */ -static void sep_debug_print_lli_tables(struct sep_device *sep, - struct sep_lli_entry *lli_table_ptr, - unsigned long num_table_entries, - unsigned long table_data_size) -{ - unsigned long table_count = 1; - unsigned long entries_count = 0; - - dev_dbg(&sep->pdev->dev, "sep_debug_print_lli_tables start\n"); - - while ((unsigned long) lli_table_ptr->bus_address != 0xffffffff) { - dev_dbg(&sep->pdev->dev, - "lli table %08lx, table_data_size is %lu\n", - table_count, table_data_size); - dev_dbg(&sep->pdev->dev, "num_table_entries is %lu\n", - num_table_entries); - - /* Print entries of the table (without info entry) */ - for (entries_count = 0; entries_count < num_table_entries; - entries_count++, lli_table_ptr++) { - - dev_dbg(&sep->pdev->dev, - "lli_table_ptr address is %08lx\n", - (unsigned long) lli_table_ptr); - - dev_dbg(&sep->pdev->dev, - "phys address is %08lx block size is %x\n", - (unsigned long)lli_table_ptr->bus_address, - lli_table_ptr->block_size); - } - /* Point to the info entry */ - lli_table_ptr--; - - dev_dbg(&sep->pdev->dev, - "phys lli_table_ptr->block_size is %x\n", - lli_table_ptr->block_size); - - dev_dbg(&sep->pdev->dev, - "phys lli_table_ptr->physical_address is %08lu\n", - (unsigned long)lli_table_ptr->bus_address); - - - table_data_size = lli_table_ptr->block_size & 0xffffff; - num_table_entries = (lli_table_ptr->block_size >> 24) & 0xff; - - dev_dbg(&sep->pdev->dev, - "phys table_data_size is %lu num_table_entries is" - " %lu bus_address is%lu\n", table_data_size, - num_table_entries, (unsigned long)lli_table_ptr->bus_address); - - if ((unsigned long)lli_table_ptr->bus_address != 0xffffffff) - lli_table_ptr = (struct sep_lli_entry *) - sep_shared_bus_to_virt(sep, - (unsigned long)lli_table_ptr->bus_address); - - table_count++; - } - dev_dbg(&sep->pdev->dev, "sep_debug_print_lli_tables end\n"); -} - - -/** - * sep_prepare_empty_lli_table - create a blank LLI table - * @sep: pointer to struct sep_device - * @lli_table_addr_ptr: pointer to lli table - * @num_entries_ptr: pointer to number of entries - * @table_data_size_ptr: point to table data size - * - * This function creates empty lli tables when there is no data - */ -static void sep_prepare_empty_lli_table(struct sep_device *sep, - dma_addr_t *lli_table_addr_ptr, - u32 *num_entries_ptr, - u32 *table_data_size_ptr) -{ - struct sep_lli_entry *lli_table_ptr; - - /* Find the area for new table */ - lli_table_ptr = - (struct sep_lli_entry *)(sep->shared_addr + - SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + - sep->num_lli_tables_created * sizeof(struct sep_lli_entry) * - SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP); - - lli_table_ptr->bus_address = 0; - lli_table_ptr->block_size = 0; - - lli_table_ptr++; - lli_table_ptr->bus_address = 0xFFFFFFFF; - lli_table_ptr->block_size = 0; - - /* Set the output parameter value */ - *lli_table_addr_ptr = sep->shared_bus + - SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + - sep->num_lli_tables_created * - sizeof(struct sep_lli_entry) * - SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP; - - /* Set the num of entries and table data size for empty table */ - *num_entries_ptr = 2; - *table_data_size_ptr = 0; - - /* Update the number of created tables */ - sep->num_lli_tables_created++; -} - -/** - * sep_prepare_input_dma_table - prepare input DMA mappings - * @sep: pointer to struct sep_device - * @data_size: - * @block_size: - * @lli_table_ptr: - * @num_entries_ptr: - * @table_data_size_ptr: - * @is_kva: set for kernel data (kernel cryptio call) - * - * This function prepares only input DMA table for synhronic symmetric - * operations (HASH) - * Note that all bus addresses that are passed to the SEP - * are in 32 bit format; the SEP is a 32 bit device - */ -static int sep_prepare_input_dma_table(struct sep_device *sep, - unsigned long app_virt_addr, - u32 data_size, - u32 block_size, - dma_addr_t *lli_table_ptr, - u32 *num_entries_ptr, - u32 *table_data_size_ptr, - bool is_kva) -{ - int error = 0; - /* Pointer to the info entry of the table - the last entry */ - struct sep_lli_entry *info_entry_ptr; - /* Array of pointers to page */ - struct sep_lli_entry *lli_array_ptr; - /* Points to the first entry to be processed in the lli_in_array */ - u32 current_entry = 0; - /* Num entries in the virtual buffer */ - u32 sep_lli_entries = 0; - /* Lli table pointer */ - struct sep_lli_entry *in_lli_table_ptr; - /* The total data in one table */ - u32 table_data_size = 0; - /* Flag for last table */ - u32 last_table_flag = 0; - /* Number of entries in lli table */ - u32 num_entries_in_table = 0; - /* Next table address */ - void *lli_table_alloc_addr = 0; - - dev_dbg(&sep->pdev->dev, "prepare intput dma table data_size is %x\n", data_size); - dev_dbg(&sep->pdev->dev, "block_size is %x\n", block_size); - - /* Initialize the pages pointers */ - sep->dma_res_arr[sep->nr_dcb_creat].in_page_array = NULL; - sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages = 0; - - /* Set the kernel address for first table to be allocated */ - lli_table_alloc_addr = (void *)(sep->shared_addr + - SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + - sep->num_lli_tables_created * sizeof(struct sep_lli_entry) * - SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP); - - if (data_size == 0) { - /* Special case - create meptu table - 2 entries, zero data */ - sep_prepare_empty_lli_table(sep, lli_table_ptr, - num_entries_ptr, table_data_size_ptr); - goto update_dcb_counter; - } - - /* Check if the pages are in Kernel Virtual Address layout */ - if (is_kva == true) - /* Lock the pages in the kernel */ - error = sep_lock_kernel_pages(sep, app_virt_addr, - data_size, &lli_array_ptr, SEP_DRIVER_IN_FLAG); - else - /* - * Lock the pages of the user buffer - * and translate them to pages - */ - error = sep_lock_user_pages(sep, app_virt_addr, - data_size, &lli_array_ptr, SEP_DRIVER_IN_FLAG); - - if (error) - goto end_function; - - dev_dbg(&sep->pdev->dev, "output sep_in_num_pages is %x\n", - sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages); - - current_entry = 0; - info_entry_ptr = NULL; - - sep_lli_entries = sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages; - - /* Loop till all the entries in in array are not processed */ - while (current_entry < sep_lli_entries) { - - /* Set the new input and output tables */ - in_lli_table_ptr = - (struct sep_lli_entry *)lli_table_alloc_addr; - - lli_table_alloc_addr += sizeof(struct sep_lli_entry) * - SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP; - - if (lli_table_alloc_addr > - ((void *)sep->shared_addr + - SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + - SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES)) { - - error = -ENOMEM; - goto end_function_error; - - } - - /* Update the number of created tables */ - sep->num_lli_tables_created++; - - /* Calculate the maximum size of data for input table */ - table_data_size = sep_calculate_lli_table_max_size(sep, - &lli_array_ptr[current_entry], - (sep_lli_entries - current_entry), - &last_table_flag); - - /* - * If this is not the last table - - * then align it to the block size - */ - if (!last_table_flag) - table_data_size = - (table_data_size / block_size) * block_size; - - dev_dbg(&sep->pdev->dev, "output table_data_size is %x\n", - table_data_size); - - /* Construct input lli table */ - sep_build_lli_table(sep, &lli_array_ptr[current_entry], - in_lli_table_ptr, - ¤t_entry, &num_entries_in_table, table_data_size); - - if (info_entry_ptr == NULL) { - - /* Set the output parameters to physical addresses */ - *lli_table_ptr = sep_shared_area_virt_to_bus(sep, - in_lli_table_ptr); - *num_entries_ptr = num_entries_in_table; - *table_data_size_ptr = table_data_size; - - dev_dbg(&sep->pdev->dev, - "output lli_table_in_ptr is %08lx\n", - (unsigned long)*lli_table_ptr); - - } else { - /* Update the info entry of the previous in table */ - info_entry_ptr->bus_address = - sep_shared_area_virt_to_bus(sep, - in_lli_table_ptr); - info_entry_ptr->block_size = - ((num_entries_in_table) << 24) | - (table_data_size); - } - /* Save the pointer to the info entry of the current tables */ - info_entry_ptr = in_lli_table_ptr + num_entries_in_table - 1; - } - /* Print input tables */ - sep_debug_print_lli_tables(sep, (struct sep_lli_entry *) - sep_shared_area_bus_to_virt(sep, *lli_table_ptr), - *num_entries_ptr, *table_data_size_ptr); - /* The array of the pages */ - kfree(lli_array_ptr); - -update_dcb_counter: - /* Update DCB counter */ - sep->nr_dcb_creat++; - goto end_function; - -end_function_error: - /* Free all the allocated resources */ - kfree(sep->dma_res_arr[sep->nr_dcb_creat].in_map_array); - kfree(lli_array_ptr); - kfree(sep->dma_res_arr[sep->nr_dcb_creat].in_page_array); - -end_function: - return error; - -} -/** - * sep_construct_dma_tables_from_lli - prepare AES/DES mappings - * @sep: pointer to struct sep_device - * @lli_in_array: - * @sep_in_lli_entries: - * @lli_out_array: - * @sep_out_lli_entries - * @block_size - * @lli_table_in_ptr - * @lli_table_out_ptr - * @in_num_entries_ptr - * @out_num_entries_ptr - * @table_data_size_ptr - * - * This function creates the input and output DMA tables for - * symmetric operations (AES/DES) according to the block - * size from LLI arays - * Note that all bus addresses that are passed to the SEP - * are in 32 bit format; the SEP is a 32 bit device - */ -static int sep_construct_dma_tables_from_lli( - struct sep_device *sep, - struct sep_lli_entry *lli_in_array, - u32 sep_in_lli_entries, - struct sep_lli_entry *lli_out_array, - u32 sep_out_lli_entries, - u32 block_size, - dma_addr_t *lli_table_in_ptr, - dma_addr_t *lli_table_out_ptr, - u32 *in_num_entries_ptr, - u32 *out_num_entries_ptr, - u32 *table_data_size_ptr) -{ - /* Points to the area where next lli table can be allocated */ - void *lli_table_alloc_addr = 0; - /* Input lli table */ - struct sep_lli_entry *in_lli_table_ptr = NULL; - /* Output lli table */ - struct sep_lli_entry *out_lli_table_ptr = NULL; - /* Pointer to the info entry of the table - the last entry */ - struct sep_lli_entry *info_in_entry_ptr = NULL; - /* Pointer to the info entry of the table - the last entry */ - struct sep_lli_entry *info_out_entry_ptr = NULL; - /* Points to the first entry to be processed in the lli_in_array */ - u32 current_in_entry = 0; - /* Points to the first entry to be processed in the lli_out_array */ - u32 current_out_entry = 0; - /* Max size of the input table */ - u32 in_table_data_size = 0; - /* Max size of the output table */ - u32 out_table_data_size = 0; - /* Flag te signifies if this is the last tables build */ - u32 last_table_flag = 0; - /* The data size that should be in table */ - u32 table_data_size = 0; - /* Number of etnries in the input table */ - u32 num_entries_in_table = 0; - /* Number of etnries in the output table */ - u32 num_entries_out_table = 0; - - /* Initiate to point after the message area */ - lli_table_alloc_addr = (void *)(sep->shared_addr + - SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + - (sep->num_lli_tables_created * - (sizeof(struct sep_lli_entry) * - SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP))); - - /* Loop till all the entries in in array are not processed */ - while (current_in_entry < sep_in_lli_entries) { - /* Set the new input and output tables */ - in_lli_table_ptr = - (struct sep_lli_entry *)lli_table_alloc_addr; - - lli_table_alloc_addr += sizeof(struct sep_lli_entry) * - SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP; - - /* Set the first output tables */ - out_lli_table_ptr = - (struct sep_lli_entry *)lli_table_alloc_addr; - - /* Check if the DMA table area limit was overrun */ - if ((lli_table_alloc_addr + sizeof(struct sep_lli_entry) * - SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP) > - ((void *)sep->shared_addr + - SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + - SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES)) { - - dev_warn(&sep->pdev->dev, "dma table limit overrun\n"); - return -ENOMEM; - } - - /* Update the number of the lli tables created */ - sep->num_lli_tables_created += 2; - - lli_table_alloc_addr += sizeof(struct sep_lli_entry) * - SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP; - - /* Calculate the maximum size of data for input table */ - in_table_data_size = - sep_calculate_lli_table_max_size(sep, - &lli_in_array[current_in_entry], - (sep_in_lli_entries - current_in_entry), - &last_table_flag); - - /* Calculate the maximum size of data for output table */ - out_table_data_size = - sep_calculate_lli_table_max_size(sep, - &lli_out_array[current_out_entry], - (sep_out_lli_entries - current_out_entry), - &last_table_flag); - - dev_dbg(&sep->pdev->dev, - "construct tables from lli in_table_data_size is %x\n", - in_table_data_size); - - dev_dbg(&sep->pdev->dev, - "construct tables from lli out_table_data_size is %x\n", - out_table_data_size); - - table_data_size = in_table_data_size; - - if (!last_table_flag) { - /* - * If this is not the last table, - * then must check where the data is smallest - * and then align it to the block size - */ - if (table_data_size > out_table_data_size) - table_data_size = out_table_data_size; - - /* - * Now calculate the table size so that - * it will be module block size - */ - table_data_size = (table_data_size / block_size) * - block_size; - } - - /* Construct input lli table */ - sep_build_lli_table(sep, &lli_in_array[current_in_entry], - in_lli_table_ptr, - ¤t_in_entry, - &num_entries_in_table, - table_data_size); - - /* Construct output lli table */ - sep_build_lli_table(sep, &lli_out_array[current_out_entry], - out_lli_table_ptr, - ¤t_out_entry, - &num_entries_out_table, - table_data_size); - - /* If info entry is null - this is the first table built */ - if (info_in_entry_ptr == NULL) { - /* Set the output parameters to physical addresses */ - *lli_table_in_ptr = - sep_shared_area_virt_to_bus(sep, in_lli_table_ptr); - - *in_num_entries_ptr = num_entries_in_table; - - *lli_table_out_ptr = - sep_shared_area_virt_to_bus(sep, - out_lli_table_ptr); - - *out_num_entries_ptr = num_entries_out_table; - *table_data_size_ptr = table_data_size; - - dev_dbg(&sep->pdev->dev, - "output lli_table_in_ptr is %08lx\n", - (unsigned long)*lli_table_in_ptr); - dev_dbg(&sep->pdev->dev, - "output lli_table_out_ptr is %08lx\n", - (unsigned long)*lli_table_out_ptr); - } else { - /* Update the info entry of the previous in table */ - info_in_entry_ptr->bus_address = - sep_shared_area_virt_to_bus(sep, - in_lli_table_ptr); - - info_in_entry_ptr->block_size = - ((num_entries_in_table) << 24) | - (table_data_size); - - /* Update the info entry of the previous in table */ - info_out_entry_ptr->bus_address = - sep_shared_area_virt_to_bus(sep, - out_lli_table_ptr); - - info_out_entry_ptr->block_size = - ((num_entries_out_table) << 24) | - (table_data_size); - - dev_dbg(&sep->pdev->dev, - "output lli_table_in_ptr:%08lx %08x\n", - (unsigned long)info_in_entry_ptr->bus_address, - info_in_entry_ptr->block_size); - - dev_dbg(&sep->pdev->dev, - "output lli_table_out_ptr:%08lx %08x\n", - (unsigned long)info_out_entry_ptr->bus_address, - info_out_entry_ptr->block_size); - } - - /* Save the pointer to the info entry of the current tables */ - info_in_entry_ptr = in_lli_table_ptr + - num_entries_in_table - 1; - info_out_entry_ptr = out_lli_table_ptr + - num_entries_out_table - 1; - - dev_dbg(&sep->pdev->dev, - "output num_entries_out_table is %x\n", - (u32)num_entries_out_table); - dev_dbg(&sep->pdev->dev, - "output info_in_entry_ptr is %lx\n", - (unsigned long)info_in_entry_ptr); - dev_dbg(&sep->pdev->dev, - "output info_out_entry_ptr is %lx\n", - (unsigned long)info_out_entry_ptr); - } - - /* Print input tables */ - sep_debug_print_lli_tables(sep, - (struct sep_lli_entry *) - sep_shared_area_bus_to_virt(sep, *lli_table_in_ptr), - *in_num_entries_ptr, - *table_data_size_ptr); - - /* Print output tables */ - sep_debug_print_lli_tables(sep, - (struct sep_lli_entry *) - sep_shared_area_bus_to_virt(sep, *lli_table_out_ptr), - *out_num_entries_ptr, - *table_data_size_ptr); - - return 0; -} - -/** - * sep_prepare_input_output_dma_table - prepare DMA I/O table - * @app_virt_in_addr: - * @app_virt_out_addr: - * @data_size: - * @block_size: - * @lli_table_in_ptr: - * @lli_table_out_ptr: - * @in_num_entries_ptr: - * @out_num_entries_ptr: - * @table_data_size_ptr: - * @is_kva: set for kernel data; used only for kernel crypto module - * - * This function builds input and output DMA tables for synhronic - * symmetric operations (AES, DES, HASH). It also checks that each table - * is of the modular block size - * Note that all bus addresses that are passed to the SEP - * are in 32 bit format; the SEP is a 32 bit device - */ -static int sep_prepare_input_output_dma_table(struct sep_device *sep, - unsigned long app_virt_in_addr, - unsigned long app_virt_out_addr, - u32 data_size, - u32 block_size, - dma_addr_t *lli_table_in_ptr, - dma_addr_t *lli_table_out_ptr, - u32 *in_num_entries_ptr, - u32 *out_num_entries_ptr, - u32 *table_data_size_ptr, - bool is_kva) - -{ - int error = 0; - /* Array of pointers of page */ - struct sep_lli_entry *lli_in_array; - /* Array of pointers of page */ - struct sep_lli_entry *lli_out_array; - - if (data_size == 0) { - /* Prepare empty table for input and output */ - sep_prepare_empty_lli_table(sep, lli_table_in_ptr, - in_num_entries_ptr, table_data_size_ptr); - - sep_prepare_empty_lli_table(sep, lli_table_out_ptr, - out_num_entries_ptr, table_data_size_ptr); - - goto update_dcb_counter; - } - - /* Initialize the pages pointers */ - sep->dma_res_arr[sep->nr_dcb_creat].in_page_array = NULL; - sep->dma_res_arr[sep->nr_dcb_creat].out_page_array = NULL; - - /* Lock the pages of the buffer and translate them to pages */ - if (is_kva == true) { - error = sep_lock_kernel_pages(sep, app_virt_in_addr, - data_size, &lli_in_array, SEP_DRIVER_IN_FLAG); - - if (error) { - dev_warn(&sep->pdev->dev, - "lock kernel for in failed\n"); - goto end_function; - } - - error = sep_lock_kernel_pages(sep, app_virt_out_addr, - data_size, &lli_out_array, SEP_DRIVER_OUT_FLAG); - - if (error) { - dev_warn(&sep->pdev->dev, - "lock kernel for out failed\n"); - goto end_function; - } - } - - else { - error = sep_lock_user_pages(sep, app_virt_in_addr, - data_size, &lli_in_array, SEP_DRIVER_IN_FLAG); - if (error) { - dev_warn(&sep->pdev->dev, - "sep_lock_user_pages for input virtual buffer failed\n"); - goto end_function; - } - - error = sep_lock_user_pages(sep, app_virt_out_addr, - data_size, &lli_out_array, SEP_DRIVER_OUT_FLAG); - - if (error) { - dev_warn(&sep->pdev->dev, - "sep_lock_user_pages for output virtual buffer failed\n"); - goto end_function_free_lli_in; - } - } - - dev_dbg(&sep->pdev->dev, "prep input output dma table sep_in_num_pages is %x\n", - sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages); - dev_dbg(&sep->pdev->dev, "sep_out_num_pages is %x\n", - sep->dma_res_arr[sep->nr_dcb_creat].out_num_pages); - dev_dbg(&sep->pdev->dev, "SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP is %x\n", - SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP); - - /* Call the function that creates table from the lli arrays */ - error = sep_construct_dma_tables_from_lli(sep, lli_in_array, - sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages, - lli_out_array, - sep->dma_res_arr[sep->nr_dcb_creat].out_num_pages, - block_size, lli_table_in_ptr, lli_table_out_ptr, - in_num_entries_ptr, out_num_entries_ptr, table_data_size_ptr); - - if (error) { - dev_warn(&sep->pdev->dev, - "sep_construct_dma_tables_from_lli failed\n"); - goto end_function_with_error; - } - - kfree(lli_out_array); - kfree(lli_in_array); - -update_dcb_counter: - /* Update DCB counter */ - sep->nr_dcb_creat++; - - goto end_function; - -end_function_with_error: - kfree(sep->dma_res_arr[sep->nr_dcb_creat].out_map_array); - kfree(sep->dma_res_arr[sep->nr_dcb_creat].out_page_array); - kfree(lli_out_array); - - -end_function_free_lli_in: - kfree(sep->dma_res_arr[sep->nr_dcb_creat].in_map_array); - kfree(sep->dma_res_arr[sep->nr_dcb_creat].in_page_array); - kfree(lli_in_array); - -end_function: - - return error; - -} - -/** - * sep_prepare_input_output_dma_table_in_dcb - prepare control blocks - * @app_in_address: unsigned long; for data buffer in (user space) - * @app_out_address: unsigned long; for data buffer out (user space) - * @data_in_size: u32; for size of data - * @block_size: u32; for block size - * @tail_block_size: u32; for size of tail block - * @isapplet: bool; to indicate external app - * @is_kva: bool; kernel buffer; only used for kernel crypto module - * - * This function prepares the linked DMA tables and puts the - * address for the linked list of tables inta a DCB (data control - * block) the address of which is known by the SEP hardware - * Note that all bus addresses that are passed to the SEP - * are in 32 bit format; the SEP is a 32 bit device - */ -static int sep_prepare_input_output_dma_table_in_dcb(struct sep_device *sep, - unsigned long app_in_address, - unsigned long app_out_address, - u32 data_in_size, - u32 block_size, - u32 tail_block_size, - bool isapplet, - bool is_kva) -{ - int error = 0; - /* Size of tail */ - u32 tail_size = 0; - /* Address of the created DCB table */ - struct sep_dcblock *dcb_table_ptr = NULL; - /* The physical address of the first input DMA table */ - dma_addr_t in_first_mlli_address = 0; - /* Number of entries in the first input DMA table */ - u32 in_first_num_entries = 0; - /* The physical address of the first output DMA table */ - dma_addr_t out_first_mlli_address = 0; - /* Number of entries in the first output DMA table */ - u32 out_first_num_entries = 0; - /* Data in the first input/output table */ - u32 first_data_size = 0; - - if (sep->nr_dcb_creat == SEP_MAX_NUM_SYNC_DMA_OPS) { - /* No more DCBs to allocate */ - dev_warn(&sep->pdev->dev, "no more DCBs available\n"); - error = -ENOSPC; - goto end_function; - } - - /* Allocate new DCB */ - dcb_table_ptr = (struct sep_dcblock *)(sep->shared_addr + - SEP_DRIVER_SYSTEM_DCB_MEMORY_OFFSET_IN_BYTES + - (sep->nr_dcb_creat * sizeof(struct sep_dcblock))); - - /* Set the default values in the DCB */ - dcb_table_ptr->input_mlli_address = 0; - dcb_table_ptr->input_mlli_num_entries = 0; - dcb_table_ptr->input_mlli_data_size = 0; - dcb_table_ptr->output_mlli_address = 0; - dcb_table_ptr->output_mlli_num_entries = 0; - dcb_table_ptr->output_mlli_data_size = 0; - dcb_table_ptr->tail_data_size = 0; - dcb_table_ptr->out_vr_tail_pt = 0; - - if (isapplet == true) { - - /* Check if there is enough data for DMA operation */ - if (data_in_size < SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE) { - if (is_kva == true) { - memcpy(dcb_table_ptr->tail_data, - (void *)app_in_address, data_in_size); - } else { - if (copy_from_user(dcb_table_ptr->tail_data, - (void __user *)app_in_address, - data_in_size)) { - error = -EFAULT; - goto end_function; - } - } - - dcb_table_ptr->tail_data_size = data_in_size; - - /* Set the output user-space address for mem2mem op */ - if (app_out_address) - dcb_table_ptr->out_vr_tail_pt = - (aligned_u64)app_out_address; - - /* - * Update both data length parameters in order to avoid - * second data copy and allow building of empty mlli - * tables - */ - tail_size = 0x0; - data_in_size = 0x0; - - } else { - if (!app_out_address) { - tail_size = data_in_size % block_size; - if (!tail_size) { - if (tail_block_size == block_size) - tail_size = block_size; - } - } else { - tail_size = 0; - } - } - if (tail_size) { - if (tail_size > sizeof(dcb_table_ptr->tail_data)) - return -EINVAL; - if (is_kva == true) { - memcpy(dcb_table_ptr->tail_data, - (void *)(app_in_address + data_in_size - - tail_size), tail_size); - } else { - /* We have tail data - copy it to DCB */ - if (copy_from_user(dcb_table_ptr->tail_data, - (void *)(app_in_address + - data_in_size - tail_size), tail_size)) { - error = -EFAULT; - goto end_function; - } - } - if (app_out_address) - /* - * Calculate the output address - * according to tail data size - */ - dcb_table_ptr->out_vr_tail_pt = - (aligned_u64)app_out_address + data_in_size - - tail_size; - - /* Save the real tail data size */ - dcb_table_ptr->tail_data_size = tail_size; - /* - * Update the data size without the tail - * data size AKA data for the dma - */ - data_in_size = (data_in_size - tail_size); - } - } - /* Check if we need to build only input table or input/output */ - if (app_out_address) { - /* Prepare input/output tables */ - error = sep_prepare_input_output_dma_table(sep, - app_in_address, - app_out_address, - data_in_size, - block_size, - &in_first_mlli_address, - &out_first_mlli_address, - &in_first_num_entries, - &out_first_num_entries, - &first_data_size, - is_kva); - } else { - /* Prepare input tables */ - error = sep_prepare_input_dma_table(sep, - app_in_address, - data_in_size, - block_size, - &in_first_mlli_address, - &in_first_num_entries, - &first_data_size, - is_kva); - } - - if (error) { - dev_warn(&sep->pdev->dev, "prepare DMA table call failed from prepare DCB call\n"); - goto end_function; - } - - /* Set the DCB values */ - dcb_table_ptr->input_mlli_address = in_first_mlli_address; - dcb_table_ptr->input_mlli_num_entries = in_first_num_entries; - dcb_table_ptr->input_mlli_data_size = first_data_size; - dcb_table_ptr->output_mlli_address = out_first_mlli_address; - dcb_table_ptr->output_mlli_num_entries = out_first_num_entries; - dcb_table_ptr->output_mlli_data_size = first_data_size; - -end_function: - return error; - -} - -/** - * sep_free_dma_tables_and_dcb - free DMA tables and DCBs - * @sep: pointer to struct sep_device - * @isapplet: indicates external application (used for kernel access) - * @is_kva: indicates kernel addresses (only used for kernel crypto) - * - * This function frees the DMA tables and DCB - */ -static int sep_free_dma_tables_and_dcb(struct sep_device *sep, bool isapplet, - bool is_kva) -{ - int i = 0; - int error = 0; - int error_temp = 0; - struct sep_dcblock *dcb_table_ptr; - unsigned long pt_hold; - void *tail_pt; - - if (isapplet == true) { - /* Set pointer to first DCB table */ - dcb_table_ptr = (struct sep_dcblock *) - (sep->shared_addr + - SEP_DRIVER_SYSTEM_DCB_MEMORY_OFFSET_IN_BYTES); - - /* Go over each DCB and see if tail pointer must be updated */ - for (i = 0; i < sep->nr_dcb_creat; i++, dcb_table_ptr++) { - if (dcb_table_ptr->out_vr_tail_pt) { - pt_hold = (unsigned long)dcb_table_ptr->out_vr_tail_pt; - tail_pt = (void *)pt_hold; - if (is_kva == true) { - memcpy(tail_pt, - dcb_table_ptr->tail_data, - dcb_table_ptr->tail_data_size); - } else { - error_temp = copy_to_user( - tail_pt, - dcb_table_ptr->tail_data, - dcb_table_ptr->tail_data_size); - } - if (error_temp) { - /* Release the DMA resource */ - error = -EFAULT; - break; - } - } - } - } - /* Free the output pages, if any */ - sep_free_dma_table_data_handler(sep); - - return error; -} - -/** - * sep_get_static_pool_addr_handler - get static pool address - * @sep: pointer to struct sep_device - * - * This function sets the bus and virtual addresses of the static pool - */ -static int sep_get_static_pool_addr_handler(struct sep_device *sep) -{ - u32 *static_pool_addr = NULL; - - static_pool_addr = (u32 *)(sep->shared_addr + - SEP_DRIVER_SYSTEM_RAR_MEMORY_OFFSET_IN_BYTES); - - static_pool_addr[0] = SEP_STATIC_POOL_VAL_TOKEN; - static_pool_addr[1] = (u32)sep->shared_bus + - SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES; - - dev_dbg(&sep->pdev->dev, "static pool segment: physical %x\n", - (u32)static_pool_addr[1]); - - return 0; -} - -/** - * sep_end_transaction_handler - end transaction - * @sep: pointer to struct sep_device - * - * This API handles the end transaction request - */ -static int sep_end_transaction_handler(struct sep_device *sep) -{ - /* Clear the data pool pointers Token */ - memset((void *)(sep->shared_addr + - SEP_DRIVER_DATA_POOL_ALLOCATION_OFFSET_IN_BYTES), - 0, sep->num_of_data_allocations*2*sizeof(u32)); - - /* Check that all the DMA resources were freed */ - sep_free_dma_table_data_handler(sep); - - clear_bit(SEP_MMAP_LOCK_BIT, &sep->in_use_flags); - - /* - * We are now through with the transaction. Let's - * allow other processes who have the device open - * to perform transactions - */ - mutex_lock(&sep->sep_mutex); - sep->pid_doing_transaction = 0; - mutex_unlock(&sep->sep_mutex); - /* Raise event for stuck contextes */ - wake_up(&sep->event); - - return 0; -} - -/** - * sep_prepare_dcb_handler - prepare a control block - * @sep: pointer to struct sep_device - * @arg: pointer to user parameters - * - * This function will retrieve the RAR buffer physical addresses, type - * & size corresponding to the RAR handles provided in the buffers vector. - */ -static int sep_prepare_dcb_handler(struct sep_device *sep, unsigned long arg) -{ - int error; - /* Command arguments */ - struct build_dcb_struct command_args; - - /* Get the command arguments */ - if (copy_from_user(&command_args, (void __user *)arg, - sizeof(struct build_dcb_struct))) { - error = -EFAULT; - goto end_function; - } - - dev_dbg(&sep->pdev->dev, "prep dcb handler app_in_address is %08llx\n", - command_args.app_in_address); - dev_dbg(&sep->pdev->dev, "app_out_address is %08llx\n", - command_args.app_out_address); - dev_dbg(&sep->pdev->dev, "data_size is %x\n", - command_args.data_in_size); - dev_dbg(&sep->pdev->dev, "block_size is %x\n", - command_args.block_size); - dev_dbg(&sep->pdev->dev, "tail block_size is %x\n", - command_args.tail_block_size); - - error = sep_prepare_input_output_dma_table_in_dcb(sep, - (unsigned long)command_args.app_in_address, - (unsigned long)command_args.app_out_address, - command_args.data_in_size, command_args.block_size, - command_args.tail_block_size, true, false); - -end_function: - return error; - -} - -/** - * sep_free_dcb_handler - free control block resources - * @sep: pointer to struct sep_device - * - * This function frees the DCB resources and updates the needed - * user-space buffers. - */ -static int sep_free_dcb_handler(struct sep_device *sep) -{ - return sep_free_dma_tables_and_dcb(sep, false, false); -} - -/** - * sep_rar_prepare_output_msg_handler - prepare an output message - * @sep: pointer to struct sep_device - * @arg: pointer to user parameters - * - * This function will retrieve the RAR buffer physical addresses, type - * & size corresponding to the RAR handles provided in the buffers vector. - */ -static int sep_rar_prepare_output_msg_handler(struct sep_device *sep, - unsigned long arg) -{ - int error = 0; - /* Command args */ - struct rar_hndl_to_bus_struct command_args; - /* Bus address */ - dma_addr_t rar_bus = 0; - /* Holds the RAR address in the system memory offset */ - u32 *rar_addr; - - /* Copy the data */ - if (copy_from_user(&command_args, (void __user *)arg, - sizeof(command_args))) { - error = -EFAULT; - goto end_function; - } - - /* Call to translation function only if user handle is not NULL */ - if (command_args.rar_handle) - return -EOPNOTSUPP; - dev_dbg(&sep->pdev->dev, "rar msg; rar_addr_bus = %x\n", (u32)rar_bus); - - /* Set value in the SYSTEM MEMORY offset */ - rar_addr = (u32 *)(sep->shared_addr + - SEP_DRIVER_SYSTEM_RAR_MEMORY_OFFSET_IN_BYTES); - - /* Copy the physical address to the System Area for the SEP */ - rar_addr[0] = SEP_RAR_VAL_TOKEN; - rar_addr[1] = rar_bus; - -end_function: - return error; -} - -/** - * sep_ioctl - ioctl api - * @filp: pointer to struct file - * @cmd: command - * @arg: pointer to argument structure - * - * Implement the ioctl methods available on the SEP device. - */ -static long sep_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) -{ - int error = 0; - struct sep_device *sep = filp->private_data; - - /* Make sure we own this device */ - mutex_lock(&sep->sep_mutex); - if ((current->pid != sep->pid_doing_transaction) && - (sep->pid_doing_transaction != 0)) { - dev_dbg(&sep->pdev->dev, "ioctl pid is not owner\n"); - error = -EACCES; - } - mutex_unlock(&sep->sep_mutex); - - if (error) - return error; - - if (_IOC_TYPE(cmd) != SEP_IOC_MAGIC_NUMBER) - return -ENOTTY; - - /* Lock to prevent the daemon to interfere with operation */ - mutex_lock(&sep->ioctl_mutex); - - switch (cmd) { - case SEP_IOCSENDSEPCOMMAND: - /* Send command to SEP */ - error = sep_send_command_handler(sep); - break; - case SEP_IOCALLOCDATAPOLL: - /* Allocate data pool */ - error = sep_allocate_data_pool_memory_handler(sep, arg); - break; - case SEP_IOCGETSTATICPOOLADDR: - /* Inform the SEP the bus address of the static pool */ - error = sep_get_static_pool_addr_handler(sep); - break; - case SEP_IOCENDTRANSACTION: - error = sep_end_transaction_handler(sep); - break; - case SEP_IOCRARPREPAREMESSAGE: - error = sep_rar_prepare_output_msg_handler(sep, arg); - break; - case SEP_IOCPREPAREDCB: - error = sep_prepare_dcb_handler(sep, arg); - break; - case SEP_IOCFREEDCB: - error = sep_free_dcb_handler(sep); - break; - default: - error = -ENOTTY; - break; - } - - mutex_unlock(&sep->ioctl_mutex); - return error; -} - -/** - * sep_singleton_ioctl - ioctl api for singleton interface - * @filp: pointer to struct file - * @cmd: command - * @arg: pointer to argument structure - * - * Implement the additional ioctls for the singleton device - */ -static long sep_singleton_ioctl(struct file *filp, u32 cmd, unsigned long arg) -{ - long error = 0; - struct sep_device *sep = filp->private_data; - - /* Check that the command is for the SEP device */ - if (_IOC_TYPE(cmd) != SEP_IOC_MAGIC_NUMBER) - return -ENOTTY; - - /* Make sure we own this device */ - mutex_lock(&sep->sep_mutex); - if ((current->pid != sep->pid_doing_transaction) && - (sep->pid_doing_transaction != 0)) { - dev_dbg(&sep->pdev->dev, "singleton ioctl pid is not owner\n"); - mutex_unlock(&sep->sep_mutex); - return -EACCES; - } - - mutex_unlock(&sep->sep_mutex); - - switch (cmd) { - case SEP_IOCTLSETCALLERID: - mutex_lock(&sep->ioctl_mutex); - error = sep_set_caller_id_handler(sep, arg); - mutex_unlock(&sep->ioctl_mutex); - break; - default: - error = sep_ioctl(filp, cmd, arg); - break; - } - return error; -} - -/** - * sep_request_daemon_ioctl - ioctl for daemon - * @filp: pointer to struct file - * @cmd: command - * @arg: pointer to argument structure - * - * Called by the request daemon to perform ioctls on the daemon device - */ -static long sep_request_daemon_ioctl(struct file *filp, u32 cmd, - unsigned long arg) -{ - - long error; - struct sep_device *sep = filp->private_data; - - /* Check that the command is for SEP device */ - if (_IOC_TYPE(cmd) != SEP_IOC_MAGIC_NUMBER) - return -ENOTTY; - - /* Only one process can access ioctl at any given time */ - mutex_lock(&sep->ioctl_mutex); - - switch (cmd) { - case SEP_IOCSENDSEPRPLYCOMMAND: - /* Send reply command to SEP */ - error = sep_req_daemon_send_reply_command_handler(sep); - break; - case SEP_IOCENDTRANSACTION: - /* - * End req daemon transaction, do nothing - * will be removed upon update in middleware - * API library - */ - error = 0; - break; - default: - error = -ENOTTY; - } - mutex_unlock(&sep->ioctl_mutex); - return error; -} - -/** - * sep_inthandler - interrupt handler - * @irq: interrupt - * @dev_id: device id - */ -static irqreturn_t sep_inthandler(int irq, void *dev_id) -{ - irqreturn_t int_error = IRQ_HANDLED; - unsigned long lck_flags; - u32 reg_val, reg_val2 = 0; - struct sep_device *sep = dev_id; - - /* Read the IRR register to check if this is SEP interrupt */ - reg_val = sep_read_reg(sep, HW_HOST_IRR_REG_ADDR); - - if (reg_val & (0x1 << 13)) { - /* Lock and update the counter of reply messages */ - spin_lock_irqsave(&sep->snd_rply_lck, lck_flags); - sep->reply_ct++; - spin_unlock_irqrestore(&sep->snd_rply_lck, lck_flags); - - dev_dbg(&sep->pdev->dev, "sep int: send_ct %lx reply_ct %lx\n", - sep->send_ct, sep->reply_ct); - - /* Is this printf or daemon request? */ - reg_val2 = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR2_REG_ADDR); - dev_dbg(&sep->pdev->dev, - "SEP Interrupt - reg2 is %08x\n", reg_val2); - - if ((reg_val2 >> 30) & 0x1) { - dev_dbg(&sep->pdev->dev, "int: printf request\n"); - wake_up(&sep->event_request_daemon); - } else if (reg_val2 >> 31) { - dev_dbg(&sep->pdev->dev, "int: daemon request\n"); - wake_up(&sep->event_request_daemon); - } else { - dev_dbg(&sep->pdev->dev, "int: SEP reply\n"); - wake_up(&sep->event); - } - } else { - dev_dbg(&sep->pdev->dev, "int: not SEP interrupt\n"); - int_error = IRQ_NONE; - } - if (int_error == IRQ_HANDLED) - sep_write_reg(sep, HW_HOST_ICR_REG_ADDR, reg_val); - - return int_error; -} - -/** - * sep_reconfig_shared_area - reconfigure shared area - * @sep: pointer to struct sep_device - * - * Reconfig the shared area between HOST and SEP - needed in case - * the DX_CC_Init function was called before OS loading. - */ -static int sep_reconfig_shared_area(struct sep_device *sep) -{ - int ret_val; - - /* use to limit waiting for SEP */ - unsigned long end_time; - - /* Send the new SHARED MESSAGE AREA to the SEP */ - dev_dbg(&sep->pdev->dev, "reconfig shared; sending %08llx to sep\n", - (unsigned long long)sep->shared_bus); - - sep_write_reg(sep, HW_HOST_HOST_SEP_GPR1_REG_ADDR, sep->shared_bus); - - /* Poll for SEP response */ - ret_val = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR1_REG_ADDR); - - end_time = jiffies + (WAIT_TIME * HZ); - - while ((time_before(jiffies, end_time)) && (ret_val != 0xffffffff) && - (ret_val != sep->shared_bus)) - ret_val = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR1_REG_ADDR); - - /* Check the return value (register) */ - if (ret_val != sep->shared_bus) { - dev_warn(&sep->pdev->dev, "could not reconfig shared area\n"); - dev_warn(&sep->pdev->dev, "result was %x\n", ret_val); - ret_val = -ENOMEM; - } else - ret_val = 0; - - dev_dbg(&sep->pdev->dev, "reconfig shared area end\n"); - return ret_val; -} - -/* File operation for singleton SEP operations */ -static const struct file_operations singleton_file_operations = { - .owner = THIS_MODULE, - .unlocked_ioctl = sep_singleton_ioctl, - .poll = sep_poll, - .open = sep_singleton_open, - .release = sep_singleton_release, - .mmap = sep_mmap, -}; - -/* File operation for daemon operations */ -static const struct file_operations daemon_file_operations = { - .owner = THIS_MODULE, - .unlocked_ioctl = sep_request_daemon_ioctl, - .poll = sep_request_daemon_poll, - .open = sep_request_daemon_open, - .release = sep_request_daemon_release, - .mmap = sep_request_daemon_mmap, -}; - -/* The files operations structure of the driver */ -static const struct file_operations sep_file_operations = { - .owner = THIS_MODULE, - .unlocked_ioctl = sep_ioctl, - .poll = sep_poll, - .open = sep_open, - .release = sep_release, - .mmap = sep_mmap, -}; - -/** - * sep_register_driver_with_fs - register misc devices - * @sep: pointer to struct sep_device - * - * This function registers the driver with the file system - */ -static int sep_register_driver_with_fs(struct sep_device *sep) -{ - int ret_val; - - sep->miscdev_sep.minor = MISC_DYNAMIC_MINOR; - sep->miscdev_sep.name = SEP_DEV_NAME; - sep->miscdev_sep.fops = &sep_file_operations; - - sep->miscdev_singleton.minor = MISC_DYNAMIC_MINOR; - sep->miscdev_singleton.name = SEP_DEV_SINGLETON; - sep->miscdev_singleton.fops = &singleton_file_operations; - - sep->miscdev_daemon.minor = MISC_DYNAMIC_MINOR; - sep->miscdev_daemon.name = SEP_DEV_DAEMON; - sep->miscdev_daemon.fops = &daemon_file_operations; - - ret_val = misc_register(&sep->miscdev_sep); - if (ret_val) { - dev_warn(&sep->pdev->dev, "misc reg fails for SEP %x\n", - ret_val); - return ret_val; - } - - ret_val = misc_register(&sep->miscdev_singleton); - if (ret_val) { - dev_warn(&sep->pdev->dev, "misc reg fails for sing %x\n", - ret_val); - misc_deregister(&sep->miscdev_sep); - return ret_val; - } - - ret_val = misc_register(&sep->miscdev_daemon); - if (ret_val) { - dev_warn(&sep->pdev->dev, "misc reg fails for dmn %x\n", - ret_val); - misc_deregister(&sep->miscdev_sep); - misc_deregister(&sep->miscdev_singleton); - - return ret_val; - } - return ret_val; -} - - -/** - * sep_probe - probe a matching PCI device - * @pdev: pci_device - * @end: pci_device_id - * - * Attempt to set up and configure a SEP device that has been - * discovered by the PCI layer. - */ -static int __devinit sep_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - int error = 0; - struct sep_device *sep; - - if (sep_dev != NULL) { - dev_warn(&pdev->dev, "only one SEP supported.\n"); - return -EBUSY; - } - - /* Enable the device */ - error = pci_enable_device(pdev); - if (error) { - dev_warn(&pdev->dev, "error enabling pci device\n"); - goto end_function; - } - - /* Allocate the sep_device structure for this device */ - sep_dev = kzalloc(sizeof(struct sep_device), GFP_ATOMIC); - if (sep_dev == NULL) { - dev_warn(&pdev->dev, - "can't kmalloc the sep_device structure\n"); - error = -ENOMEM; - goto end_function_disable_device; - } - - /* - * We're going to use another variable for actually - * working with the device; this way, if we have - * multiple devices in the future, it would be easier - * to make appropriate changes - */ - sep = sep_dev; - - sep->pdev = pci_dev_get(pdev); - - init_waitqueue_head(&sep->event); - init_waitqueue_head(&sep->event_request_daemon); - spin_lock_init(&sep->snd_rply_lck); - mutex_init(&sep->sep_mutex); - mutex_init(&sep->ioctl_mutex); - - dev_dbg(&sep->pdev->dev, "sep probe: PCI obtained, device being prepared\n"); - dev_dbg(&sep->pdev->dev, "revision is %d\n", sep->pdev->revision); - - /* Set up our register area */ - sep->reg_physical_addr = pci_resource_start(sep->pdev, 0); - if (!sep->reg_physical_addr) { - dev_warn(&sep->pdev->dev, "Error getting register start\n"); - error = -ENODEV; - goto end_function_free_sep_dev; - } - - sep->reg_physical_end = pci_resource_end(sep->pdev, 0); - if (!sep->reg_physical_end) { - dev_warn(&sep->pdev->dev, "Error getting register end\n"); - error = -ENODEV; - goto end_function_free_sep_dev; - } - - sep->reg_addr = ioremap_nocache(sep->reg_physical_addr, - (size_t)(sep->reg_physical_end - sep->reg_physical_addr + 1)); - if (!sep->reg_addr) { - dev_warn(&sep->pdev->dev, "Error getting register virtual\n"); - error = -ENODEV; - goto end_function_free_sep_dev; - } - - dev_dbg(&sep->pdev->dev, - "Register area start %llx end %llx virtual %p\n", - (unsigned long long)sep->reg_physical_addr, - (unsigned long long)sep->reg_physical_end, - sep->reg_addr); - - /* Allocate the shared area */ - sep->shared_size = SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES + - SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES + - SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES + - SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES + - SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES; - - if (sep_map_and_alloc_shared_area(sep)) { - error = -ENOMEM; - /* Allocation failed */ - goto end_function_error; - } - - /* Clear ICR register */ - sep_write_reg(sep, HW_HOST_ICR_REG_ADDR, 0xFFFFFFFF); - - /* Set the IMR register - open only GPR 2 */ - sep_write_reg(sep, HW_HOST_IMR_REG_ADDR, (~(0x1 << 13))); - - /* Read send/receive counters from SEP */ - sep->reply_ct = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR2_REG_ADDR); - sep->reply_ct &= 0x3FFFFFFF; - sep->send_ct = sep->reply_ct; - - /* Get the interrupt line */ - error = request_irq(pdev->irq, sep_inthandler, IRQF_SHARED, - "sep_driver", sep); - - if (error) - goto end_function_deallocate_sep_shared_area; - - /* The new chip requires a shared area reconfigure */ - if (sep->pdev->revision == 4) { /* Only for new chip */ - error = sep_reconfig_shared_area(sep); - if (error) - goto end_function_free_irq; - } - /* Finally magic up the device nodes */ - /* Register driver with the fs */ - error = sep_register_driver_with_fs(sep); - if (error == 0) - /* Success */ - return 0; - -end_function_free_irq: - free_irq(pdev->irq, sep); - -end_function_deallocate_sep_shared_area: - /* De-allocate shared area */ - sep_unmap_and_free_shared_area(sep); - -end_function_error: - iounmap(sep->reg_addr); - -end_function_free_sep_dev: - pci_dev_put(sep_dev->pdev); - kfree(sep_dev); - sep_dev = NULL; - -end_function_disable_device: - pci_disable_device(pdev); - -end_function: - return error; -} - -static void sep_remove(struct pci_dev *pdev) -{ - struct sep_device *sep = sep_dev; - - /* Unregister from fs */ - misc_deregister(&sep->miscdev_sep); - misc_deregister(&sep->miscdev_singleton); - misc_deregister(&sep->miscdev_daemon); - - /* Free the irq */ - free_irq(sep->pdev->irq, sep); - - /* Free the shared area */ - sep_unmap_and_free_shared_area(sep_dev); - iounmap((void *) sep_dev->reg_addr); -} - -static DEFINE_PCI_DEVICE_TABLE(sep_pci_id_tbl) = { - {PCI_DEVICE(PCI_VENDOR_ID_INTEL, MFLD_PCI_DEVICE_ID)}, - {0} -}; - -MODULE_DEVICE_TABLE(pci, sep_pci_id_tbl); - -/* Field for registering driver to PCI device */ -static struct pci_driver sep_pci_driver = { - .name = "sep_sec_driver", - .id_table = sep_pci_id_tbl, - .probe = sep_probe, - .remove = sep_remove -}; - - -/** - * sep_init - init function - * - * Module load time. Register the PCI device driver. - */ -static int __init sep_init(void) -{ - return pci_register_driver(&sep_pci_driver); -} - - -/** - * sep_exit - called to unload driver - * - * Drop the misc devices then remove and unmap the various resources - * that are not released by the driver remove method. - */ -static void __exit sep_exit(void) -{ - pci_unregister_driver(&sep_pci_driver); -} - - -module_init(sep_init); -module_exit(sep_exit); - -MODULE_LICENSE("GPL"); diff --git a/drivers/staging/sep/sep_driver_api.h b/drivers/staging/sep/sep_driver_api.h index c3aacfcc8ac..8b797d5388b 100644 --- a/drivers/staging/sep/sep_driver_api.h +++ b/drivers/staging/sep/sep_driver_api.h @@ -2,8 +2,8 @@ * * sep_driver_api.h - Security Processor Driver api definitions * - * Copyright(c) 2009,2010 Intel Corporation. All rights reserved. - * Contributions(c) 2009,2010 Discretix. All rights reserved. + * Copyright(c) 2009-2011 Intel Corporation. All rights reserved. + * Contributions(c) 2009-2011 Discretix. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free @@ -26,6 +26,7 @@ * CHANGES: * * 2010.09.14 Upgrade to Medfield + * 2011.02.22 Enable kernel crypto * */ @@ -37,26 +38,32 @@ #define SEP_DRIVER_SRC_REQ 2 #define SEP_DRIVER_SRC_PRINTF 3 - -/*------------------------------------------- - TYPEDEFS -----------------------------------------------*/ - -struct alloc_struct { - /* offset from start of shared pool area */ - u32 offset; - /* number of bytes to allocate */ - u32 num_bytes; -}; - -/* command struct for getting caller id value and address */ -struct caller_id_struct { - /* pid of the process */ - u32 pid; - /* virtual address of the caller id hash */ - aligned_u64 callerIdAddress; - /* caller id hash size in bytes */ - u32 callerIdSizeInBytes; +/* Power state */ +#define SEP_DRIVER_POWERON 1 +#define SEP_DRIVER_POWEROFF 2 + +/* Following enums are used only for kernel crypto api */ +enum type_of_request { + NO_REQUEST, + AES_CBC, + AES_ECB, + DES_CBC, + DES_ECB, + DES3_ECB, + DES3_CBC, + SHA1, + MD5, + SHA224, + SHA256 + }; + +enum hash_stage { + HASH_INIT, + HASH_UPDATE, + HASH_FINISH, + HASH_DIGEST, + HASH_FINUP_DATA, + HASH_FINUP_FINISH }; /* @@ -83,11 +90,6 @@ struct sep_dcblock { u8 tail_data[68]; }; -struct sep_caller_id_entry { - int pid; - unsigned char callerIdHash[SEP_CALLER_ID_HASH_SIZE_IN_BYTES]; -}; - /* command structure for building dcb block (currently for ext app only */ @@ -104,6 +106,33 @@ struct build_dcb_struct { /* the size of the block of the operation - if needed, every table will be modulo this parameter */ u32 tail_block_size; + + /* which application calls the driver DX or applet */ + u32 is_applet; +}; + +/* + command structure for building dcb block for kernel crypto +*/ +struct build_dcb_struct_kernel { + /* address value of the data in */ + void *app_in_address; + /* size of data in */ + ssize_t data_in_size; + /* address of the data out */ + void *app_out_address; + /* the size of the block of the operation - if needed, + every table will be modulo this parameter */ + u32 block_size; + /* the size of the block of the operation - if needed, + every table will be modulo this parameter */ + u32 tail_block_size; + + /* which application calls the driver DX or applet */ + u32 is_applet; + + struct scatterlist *src_sg; + struct scatterlist *dst_sg; }; /** @@ -147,6 +176,10 @@ struct sep_dma_resource { /* number of entries of the output mapp array */ u32 out_map_num_entries; + + /* Scatter list for kernel operations */ + struct scatterlist *src_sg; + struct scatterlist *dst_sg; }; @@ -169,47 +202,201 @@ struct sep_lli_entry { u32 block_size; }; -/*---------------------------------------------------------------- - IOCTL command defines - -----------------------------------------------------------------*/ +/* + * header format for each fastcall write operation + */ +struct sep_fastcall_hdr { + u32 magic; + u32 secure_dma; + u32 msg_len; + u32 num_dcbs; +}; -/* magic number 1 of the sep IOCTL command */ -#define SEP_IOC_MAGIC_NUMBER 's' +/* + * structure used in file pointer's private data field + * to track the status of the calls to the various + * driver interface + */ +struct sep_call_status { + unsigned long status; +}; -/* sends interrupt to sep that message is ready */ -#define SEP_IOCSENDSEPCOMMAND \ - _IO(SEP_IOC_MAGIC_NUMBER, 0) +/* + * format of dma context buffer used to store all DMA-related + * context information of a particular transaction + */ +struct sep_dma_context { + /* number of data control blocks */ + u32 nr_dcb_creat; + /* number of the lli tables created in the current transaction */ + u32 num_lli_tables_created; + /* size of currently allocated dma tables region */ + u32 dmatables_len; + /* size of input data */ + u32 input_data_len; + /* secure dma use (for imr memory restriced area in output */ + bool secure_dma; + struct sep_dma_resource dma_res_arr[SEP_MAX_NUM_SYNC_DMA_OPS]; + /* Scatter gather for kernel crypto */ + struct scatterlist *src_sg; + struct scatterlist *dst_sg; +}; -/* sends interrupt to sep that message is ready */ -#define SEP_IOCSENDSEPRPLYCOMMAND \ - _IO(SEP_IOC_MAGIC_NUMBER, 1) +/* + * format for file pointer's private_data field + */ +struct sep_private_data { + struct sep_queue_info *my_queue_elem; + struct sep_device *device; + struct sep_call_status call_status; + struct sep_dma_context *dma_ctx; +}; -/* allocate memory in data pool */ -#define SEP_IOCALLOCDATAPOLL \ - _IOW(SEP_IOC_MAGIC_NUMBER, 2, struct alloc_struct) -/* free dynamic data aalocated during table creation */ -#define SEP_IOCFREEDMATABLEDATA \ - _IO(SEP_IOC_MAGIC_NUMBER, 7) +/* Functions used by sep_crypto */ -/* get the static pool area addersses (physical and virtual) */ -#define SEP_IOCGETSTATICPOOLADDR \ - _IO(SEP_IOC_MAGIC_NUMBER, 8) +/** + * sep_queue_status_remove - Removes transaction from status queue + * @sep: SEP device + * @sep_queue_info: pointer to status queue + * + * This function will removes information about transaction from the queue. + */ +void sep_queue_status_remove(struct sep_device *sep, + struct sep_queue_info **queue_elem); +/** + * sep_queue_status_add - Adds transaction to status queue + * @sep: SEP device + * @opcode: transaction opcode + * @size: input data size + * @pid: pid of current process + * @name: current process name + * @name_len: length of name (current process) + * + * This function adds information about about transaction started to the status + * queue. + */ +struct sep_queue_info *sep_queue_status_add( + struct sep_device *sep, + u32 opcode, + u32 size, + u32 pid, + u8 *name, size_t name_len); + +/** + * sep_create_dcb_dmatables_context_kernel - Creates DCB & MLLI/DMA table context + * for kernel crypto + * @sep: SEP device + * @dcb_region: DCB region buf to create for current transaction + * @dmatables_region: MLLI/DMA tables buf to create for current transaction + * @dma_ctx: DMA context buf to create for current transaction + * @user_dcb_args: User arguments for DCB/MLLI creation + * @num_dcbs: Number of DCBs to create + */ +int sep_create_dcb_dmatables_context_kernel(struct sep_device *sep, + struct sep_dcblock **dcb_region, + void **dmatables_region, + struct sep_dma_context **dma_ctx, + const struct build_dcb_struct_kernel *dcb_data, + const u32 num_dcbs); + +/** + * sep_activate_dcb_dmatables_context - Takes DCB & DMA tables + * contexts into use + * @sep: SEP device + * @dcb_region: DCB region copy + * @dmatables_region: MLLI/DMA tables copy + * @dma_ctx: DMA context for current transaction + */ +ssize_t sep_activate_dcb_dmatables_context(struct sep_device *sep, + struct sep_dcblock **dcb_region, + void **dmatables_region, + struct sep_dma_context *dma_ctx); + +/** + * sep_prepare_input_output_dma_table_in_dcb - prepare control blocks + * @app_in_address: unsigned long; for data buffer in (user space) + * @app_out_address: unsigned long; for data buffer out (user space) + * @data_in_size: u32; for size of data + * @block_size: u32; for block size + * @tail_block_size: u32; for size of tail block + * @isapplet: bool; to indicate external app + * @is_kva: bool; kernel buffer; only used for kernel crypto module + * @secure_dma; indicates whether this is secure_dma using IMR + * + * This function prepares the linked DMA tables and puts the + * address for the linked list of tables inta a DCB (data control + * block) the address of which is known by the SEP hardware + * Note that all bus addresses that are passed to the SEP + * are in 32 bit format; the SEP is a 32 bit device + */ +int sep_prepare_input_output_dma_table_in_dcb(struct sep_device *sep, + unsigned long app_in_address, + unsigned long app_out_address, + u32 data_in_size, + u32 block_size, + u32 tail_block_size, + bool isapplet, + bool is_kva, + bool secure_dma, + struct sep_dcblock *dcb_region, + void **dmatables_region, + struct sep_dma_context **dma_ctx, + struct scatterlist *src_sg, + struct scatterlist *dst_sg); + +/** + * sep_free_dma_table_data_handler - free DMA table + * @sep: pointere to struct sep_device + * @dma_ctx: dma context + * + * Handles the request to free DMA table for synchronic actions + */ +int sep_free_dma_table_data_handler(struct sep_device *sep, + struct sep_dma_context **dma_ctx); +/** + * sep_send_command_handler - kick off a command + * @sep: SEP being signalled + * + * This function raises interrupt to SEP that signals that is has a new + * command from the host + * + * Note that this function does fall under the ioctl lock + */ +int sep_send_command_handler(struct sep_device *sep); + +/** + * sep_wait_transaction - Used for synchronizing transactions + * @sep: SEP device + */ +int sep_wait_transaction(struct sep_device *sep); + +/** + * IOCTL command defines + */ +/* magic number 1 of the sep IOCTL command */ +#define SEP_IOC_MAGIC_NUMBER 's' + +/* sends interrupt to sep that message is ready */ +#define SEP_IOCSENDSEPCOMMAND \ + _IO(SEP_IOC_MAGIC_NUMBER, 0) /* end transaction command */ #define SEP_IOCENDTRANSACTION \ _IO(SEP_IOC_MAGIC_NUMBER, 15) -#define SEP_IOCRARPREPAREMESSAGE \ - _IOW(SEP_IOC_MAGIC_NUMBER, 20, struct rar_hndl_to_bus_struct) - -#define SEP_IOCTLSETCALLERID \ - _IOW(SEP_IOC_MAGIC_NUMBER, 34, struct caller_id_struct) - #define SEP_IOCPREPAREDCB \ _IOW(SEP_IOC_MAGIC_NUMBER, 35, struct build_dcb_struct) #define SEP_IOCFREEDCB \ _IO(SEP_IOC_MAGIC_NUMBER, 36) +struct sep_device; + +#define SEP_IOCPREPAREDCB_SECURE_DMA \ + _IOW(SEP_IOC_MAGIC_NUMBER, 38, struct build_dcb_struct) + +#define SEP_IOCFREEDCB_SECURE_DMA \ + _IO(SEP_IOC_MAGIC_NUMBER, 39) + #endif diff --git a/drivers/staging/sep/sep_driver_config.h b/drivers/staging/sep/sep_driver_config.h index d6bfd245522..fa7c0d09bfa 100644 --- a/drivers/staging/sep/sep_driver_config.h +++ b/drivers/staging/sep/sep_driver_config.h @@ -2,8 +2,8 @@ * * sep_driver_config.h - Security Processor Driver configuration * - * Copyright(c) 2009,2010 Intel Corporation. All rights reserved. - * Contributions(c) 2009,2010 Discretix. All rights reserved. + * Copyright(c) 2009-2011 Intel Corporation. All rights reserved. + * Contributions(c) 2009-2011 Discretix. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free @@ -26,6 +26,7 @@ * CHANGES: * * 2010.06.26 Upgrade to Medfield + * 2011.02.22 Enable kernel crypto * */ @@ -48,6 +49,8 @@ /* the mode for running on the ARM1172 Evaluation platform (flag is 1) */ #define SEP_DRIVER_ARM_DEBUG_MODE 0 +/* Critical message area contents for sanity checking */ +#define SEP_START_MSG_TOKEN 0x02558808 /*------------------------------------------- INTERNAL DATA CONFIGURATION -------------------------------------------*/ @@ -65,21 +68,17 @@ #define SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE 16 /* flag that signifies tah the lock is -currently held by the process (struct file) */ +currently held by the proccess (struct file) */ #define SEP_DRIVER_OWN_LOCK_FLAG 1 /* flag that signifies tah the lock is currently NOT -held by the process (struct file) */ +held by the proccess (struct file) */ #define SEP_DRIVER_DISOWN_LOCK_FLAG 0 /* indicates whether driver has mapped/unmapped shared area */ #define SEP_REQUEST_DAEMON_MAPPED 1 #define SEP_REQUEST_DAEMON_UNMAPPED 0 -#define SEP_DEV_NAME "sep_sec_driver" -#define SEP_DEV_SINGLETON "sep_sec_singleton_driver" -#define SEP_DEV_DAEMON "sep_req_daemon_driver" - /*-------------------------------------------------------- SHARED AREA memory total size is 36K it is divided is following: @@ -90,7 +89,7 @@ held by the process (struct file) */ } DATA_POOL_AREA 12K } - SYNCHRONIC_DMA_TABLES_AREA 5K + SYNCHRONIC_DMA_TABLES_AREA 29K placeholder until drver changes FLOW_DMA_TABLES_AREA 4K @@ -109,6 +108,12 @@ held by the process (struct file) */ /* + the minimum length of the message - includes 2 reserved fields + at the start, then token, message size and opcode fields. all dwords +*/ +#define SEP_DRIVER_MIN_MESSAGE_SIZE_IN_BYTES (5*sizeof(u32)) + +/* the maximum length of the message - the rest of the message shared area will be dedicated to the dma lli tables */ @@ -124,7 +129,7 @@ held by the process (struct file) */ #define SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES (16 * 1024) /* the size of the message shared area in pages */ -#define SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES (1024 * 5) +#define SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES (1024 * 29) /* Placeholder until driver changes */ #define SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES (1024 * 4) @@ -132,6 +137,9 @@ held by the process (struct file) */ /* system data (time, caller id etc') pool */ #define SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES (1024 * 3) +/* Offset of the sep printf buffer in the message area */ +#define SEP_DRIVER_PRINTF_OFFSET_IN_BYTES (5888) + /* the size in bytes of the time memory */ #define SEP_DRIVER_TIME_MEMORY_SIZE_IN_BYTES 8 @@ -223,10 +231,10 @@ held by the process (struct file) */ #define SEP_ALREADY_INITIALIZED_ERR 12 /* bit that locks access to the shared area */ -#define SEP_MMAP_LOCK_BIT 0 +#define SEP_TRANSACTION_STARTED_LOCK_BIT 0 /* bit that lock access to the poll - after send_command */ -#define SEP_SEND_MSG_LOCK_BIT 1 +#define SEP_WORKING_LOCK_BIT 1 /* the token that defines the static pool address address */ #define SEP_STATIC_POOL_VAL_TOKEN 0xABBAABBA @@ -240,4 +248,51 @@ held by the process (struct file) */ /* Time limit for SEP to finish */ #define WAIT_TIME 10 +/* Delay for pm runtime suspend (reduces pm thrashing with bursty traffic */ +#define SUSPEND_DELAY 10 + +/* Number of delays to wait until scu boots after runtime resume */ +#define SCU_DELAY_MAX 50 + +/* Delay for each iteration (usec) wait for scu boots after runtime resume */ +#define SCU_DELAY_ITERATION 10 + + +/* + * Bits used in struct sep_call_status to check that + * driver's APIs are called in valid order + */ + +/* Bit offset which indicates status of sep_write() */ +#define SEP_FASTCALL_WRITE_DONE_OFFSET 0 + +/* Bit offset which indicates status of sep_mmap() */ +#define SEP_LEGACY_MMAP_DONE_OFFSET 1 + +/* Bit offset which indicates status of the SEP_IOCSENDSEPCOMMAND ioctl */ +#define SEP_LEGACY_SENDMSG_DONE_OFFSET 2 + +/* Bit offset which indicates status of sep_poll() */ +#define SEP_LEGACY_POLL_DONE_OFFSET 3 + +/* Bit offset which indicates status of the SEP_IOCENDTRANSACTION ioctl */ +#define SEP_LEGACY_ENDTRANSACTION_DONE_OFFSET 4 + +/* + * Used to limit number of concurrent processes + * allowed to allocte dynamic buffers in fastcall + * interface. + */ +#define SEP_DOUBLEBUF_USERS_LIMIT 3 + +/* Identifier for valid fastcall header */ +#define SEP_FC_MAGIC 0xFFAACCAA + +/* + * Used for enabling driver runtime power management. + * Useful for enabling/disabling it during performance + * testing + */ +#define SEP_ENABLE_RUNTIME_PM + #endif /* SEP DRIVER CONFIG */ diff --git a/drivers/staging/sep/sep_driver_hw_defs.h b/drivers/staging/sep/sep_driver_hw_defs.h index 300f90963de..a6a44817038 100644 --- a/drivers/staging/sep/sep_driver_hw_defs.h +++ b/drivers/staging/sep/sep_driver_hw_defs.h @@ -2,8 +2,8 @@ * * sep_driver_hw_defs.h - Security Processor Driver hardware definitions * - * Copyright(c) 2009,2010 Intel Corporation. All rights reserved. - * Contributions(c) 2009,2010 Discretix. All rights reserved. + * Copyright(c) 2009-2011 Intel Corporation. All rights reserved. + * Contributions(c) 2009-2011 Discretix. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free @@ -26,15 +26,13 @@ * CHANGES: * * 2010.09.20 Upgrade to Medfield + * 2011.02.22 Enable kernel crypto * */ #ifndef SEP_DRIVER_HW_DEFS__H #define SEP_DRIVER_HW_DEFS__H -/* PCI ID's */ -#define MFLD_PCI_DEVICE_ID 0x0826 - /*----------------------- */ /* HW Registers Defines. */ /* */ @@ -42,181 +40,9 @@ /* cf registers */ -#define HW_R0B_ADDR_0_REG_ADDR 0x0000UL -#define HW_R0B_ADDR_1_REG_ADDR 0x0004UL -#define HW_R0B_ADDR_2_REG_ADDR 0x0008UL -#define HW_R0B_ADDR_3_REG_ADDR 0x000cUL -#define HW_R0B_ADDR_4_REG_ADDR 0x0010UL -#define HW_R0B_ADDR_5_REG_ADDR 0x0014UL -#define HW_R0B_ADDR_6_REG_ADDR 0x0018UL -#define HW_R0B_ADDR_7_REG_ADDR 0x001cUL -#define HW_R0B_ADDR_8_REG_ADDR 0x0020UL -#define HW_R2B_ADDR_0_REG_ADDR 0x0080UL -#define HW_R2B_ADDR_1_REG_ADDR 0x0084UL -#define HW_R2B_ADDR_2_REG_ADDR 0x0088UL -#define HW_R2B_ADDR_3_REG_ADDR 0x008cUL -#define HW_R2B_ADDR_4_REG_ADDR 0x0090UL -#define HW_R2B_ADDR_5_REG_ADDR 0x0094UL -#define HW_R2B_ADDR_6_REG_ADDR 0x0098UL -#define HW_R2B_ADDR_7_REG_ADDR 0x009cUL -#define HW_R2B_ADDR_8_REG_ADDR 0x00a0UL -#define HW_R3B_REG_ADDR 0x00C0UL -#define HW_R4B_REG_ADDR 0x0100UL -#define HW_CSA_ADDR_0_REG_ADDR 0x0140UL -#define HW_CSA_ADDR_1_REG_ADDR 0x0144UL -#define HW_CSA_ADDR_2_REG_ADDR 0x0148UL -#define HW_CSA_ADDR_3_REG_ADDR 0x014cUL -#define HW_CSA_ADDR_4_REG_ADDR 0x0150UL -#define HW_CSA_ADDR_5_REG_ADDR 0x0154UL -#define HW_CSA_ADDR_6_REG_ADDR 0x0158UL -#define HW_CSA_ADDR_7_REG_ADDR 0x015cUL -#define HW_CSA_ADDR_8_REG_ADDR 0x0160UL -#define HW_CSA_REG_ADDR 0x0140UL -#define HW_SINB_REG_ADDR 0x0180UL -#define HW_SOUTB_REG_ADDR 0x0184UL -#define HW_PKI_CONTROL_REG_ADDR 0x01C0UL -#define HW_PKI_STATUS_REG_ADDR 0x01C4UL -#define HW_PKI_BUSY_REG_ADDR 0x01C8UL -#define HW_PKI_A_1025_REG_ADDR 0x01CCUL -#define HW_PKI_SDMA_CTL_REG_ADDR 0x01D0UL -#define HW_PKI_SDMA_OFFSET_REG_ADDR 0x01D4UL -#define HW_PKI_SDMA_POINTERS_REG_ADDR 0x01D8UL -#define HW_PKI_SDMA_DLENG_REG_ADDR 0x01DCUL -#define HW_PKI_SDMA_EXP_POINTERS_REG_ADDR 0x01E0UL -#define HW_PKI_SDMA_RES_POINTERS_REG_ADDR 0x01E4UL -#define HW_PKI_CLR_REG_ADDR 0x01E8UL -#define HW_PKI_SDMA_BUSY_REG_ADDR 0x01E8UL -#define HW_PKI_SDMA_FIRST_EXP_N_REG_ADDR 0x01ECUL -#define HW_PKI_SDMA_MUL_BY1_REG_ADDR 0x01F0UL -#define HW_PKI_SDMA_RMUL_SEL_REG_ADDR 0x01F4UL -#define HW_DES_KEY_0_REG_ADDR 0x0208UL -#define HW_DES_KEY_1_REG_ADDR 0x020CUL -#define HW_DES_KEY_2_REG_ADDR 0x0210UL -#define HW_DES_KEY_3_REG_ADDR 0x0214UL -#define HW_DES_KEY_4_REG_ADDR 0x0218UL -#define HW_DES_KEY_5_REG_ADDR 0x021CUL -#define HW_DES_CONTROL_0_REG_ADDR 0x0220UL -#define HW_DES_CONTROL_1_REG_ADDR 0x0224UL -#define HW_DES_IV_0_REG_ADDR 0x0228UL -#define HW_DES_IV_1_REG_ADDR 0x022CUL -#define HW_AES_KEY_0_ADDR_0_REG_ADDR 0x0400UL -#define HW_AES_KEY_0_ADDR_1_REG_ADDR 0x0404UL -#define HW_AES_KEY_0_ADDR_2_REG_ADDR 0x0408UL -#define HW_AES_KEY_0_ADDR_3_REG_ADDR 0x040cUL -#define HW_AES_KEY_0_ADDR_4_REG_ADDR 0x0410UL -#define HW_AES_KEY_0_ADDR_5_REG_ADDR 0x0414UL -#define HW_AES_KEY_0_ADDR_6_REG_ADDR 0x0418UL -#define HW_AES_KEY_0_ADDR_7_REG_ADDR 0x041cUL -#define HW_AES_KEY_0_REG_ADDR 0x0400UL -#define HW_AES_IV_0_ADDR_0_REG_ADDR 0x0440UL -#define HW_AES_IV_0_ADDR_1_REG_ADDR 0x0444UL -#define HW_AES_IV_0_ADDR_2_REG_ADDR 0x0448UL -#define HW_AES_IV_0_ADDR_3_REG_ADDR 0x044cUL -#define HW_AES_IV_0_REG_ADDR 0x0440UL -#define HW_AES_CTR1_ADDR_0_REG_ADDR 0x0460UL -#define HW_AES_CTR1_ADDR_1_REG_ADDR 0x0464UL -#define HW_AES_CTR1_ADDR_2_REG_ADDR 0x0468UL -#define HW_AES_CTR1_ADDR_3_REG_ADDR 0x046cUL -#define HW_AES_CTR1_REG_ADDR 0x0460UL -#define HW_AES_SK_REG_ADDR 0x0478UL -#define HW_AES_MAC_OK_REG_ADDR 0x0480UL -#define HW_AES_PREV_IV_0_ADDR_0_REG_ADDR 0x0490UL -#define HW_AES_PREV_IV_0_ADDR_1_REG_ADDR 0x0494UL -#define HW_AES_PREV_IV_0_ADDR_2_REG_ADDR 0x0498UL -#define HW_AES_PREV_IV_0_ADDR_3_REG_ADDR 0x049cUL -#define HW_AES_PREV_IV_0_REG_ADDR 0x0490UL -#define HW_AES_CONTROL_REG_ADDR 0x04C0UL -#define HW_HASH_H0_REG_ADDR 0x0640UL -#define HW_HASH_H1_REG_ADDR 0x0644UL -#define HW_HASH_H2_REG_ADDR 0x0648UL -#define HW_HASH_H3_REG_ADDR 0x064CUL -#define HW_HASH_H4_REG_ADDR 0x0650UL -#define HW_HASH_H5_REG_ADDR 0x0654UL -#define HW_HASH_H6_REG_ADDR 0x0658UL -#define HW_HASH_H7_REG_ADDR 0x065CUL -#define HW_HASH_H8_REG_ADDR 0x0660UL -#define HW_HASH_H9_REG_ADDR 0x0664UL -#define HW_HASH_H10_REG_ADDR 0x0668UL -#define HW_HASH_H11_REG_ADDR 0x066CUL -#define HW_HASH_H12_REG_ADDR 0x0670UL -#define HW_HASH_H13_REG_ADDR 0x0674UL -#define HW_HASH_H14_REG_ADDR 0x0678UL -#define HW_HASH_H15_REG_ADDR 0x067CUL -#define HW_HASH_CONTROL_REG_ADDR 0x07C0UL -#define HW_HASH_PAD_EN_REG_ADDR 0x07C4UL -#define HW_HASH_PAD_CFG_REG_ADDR 0x07C8UL -#define HW_HASH_CUR_LEN_0_REG_ADDR 0x07CCUL -#define HW_HASH_CUR_LEN_1_REG_ADDR 0x07D0UL -#define HW_HASH_CUR_LEN_2_REG_ADDR 0x07D4UL -#define HW_HASH_CUR_LEN_3_REG_ADDR 0x07D8UL -#define HW_HASH_PARAM_REG_ADDR 0x07DCUL -#define HW_HASH_INT_BUSY_REG_ADDR 0x07E0UL -#define HW_HASH_SW_RESET_REG_ADDR 0x07E4UL -#define HW_HASH_ENDIANESS_REG_ADDR 0x07E8UL -#define HW_HASH_DATA_REG_ADDR 0x07ECUL -#define HW_DRNG_CONTROL_REG_ADDR 0x0800UL -#define HW_DRNG_VALID_REG_ADDR 0x0804UL -#define HW_DRNG_DATA_REG_ADDR 0x0808UL -#define HW_RND_SRC_EN_REG_ADDR 0x080CUL -#define HW_AES_CLK_ENABLE_REG_ADDR 0x0810UL -#define HW_DES_CLK_ENABLE_REG_ADDR 0x0814UL -#define HW_HASH_CLK_ENABLE_REG_ADDR 0x0818UL -#define HW_PKI_CLK_ENABLE_REG_ADDR 0x081CUL -#define HW_CLK_STATUS_REG_ADDR 0x0824UL -#define HW_CLK_ENABLE_REG_ADDR 0x0828UL -#define HW_DRNG_SAMPLE_REG_ADDR 0x0850UL -#define HW_RND_SRC_CTL_REG_ADDR 0x0858UL -#define HW_CRYPTO_CTL_REG_ADDR 0x0900UL -#define HW_CRYPTO_STATUS_REG_ADDR 0x090CUL -#define HW_CRYPTO_BUSY_REG_ADDR 0x0910UL -#define HW_AES_BUSY_REG_ADDR 0x0914UL -#define HW_DES_BUSY_REG_ADDR 0x0918UL -#define HW_HASH_BUSY_REG_ADDR 0x091CUL -#define HW_CONTENT_REG_ADDR 0x0924UL -#define HW_VERSION_REG_ADDR 0x0928UL -#define HW_CONTEXT_ID_REG_ADDR 0x0930UL -#define HW_DIN_BUFFER_REG_ADDR 0x0C00UL -#define HW_DIN_MEM_DMA_BUSY_REG_ADDR 0x0c20UL -#define HW_SRC_LLI_MEM_ADDR_REG_ADDR 0x0c24UL -#define HW_SRC_LLI_WORD0_REG_ADDR 0x0C28UL -#define HW_SRC_LLI_WORD1_REG_ADDR 0x0C2CUL -#define HW_SRAM_SRC_ADDR_REG_ADDR 0x0c30UL -#define HW_DIN_SRAM_BYTES_LEN_REG_ADDR 0x0c34UL -#define HW_DIN_SRAM_DMA_BUSY_REG_ADDR 0x0C38UL -#define HW_WRITE_ALIGN_REG_ADDR 0x0C3CUL -#define HW_OLD_DATA_REG_ADDR 0x0C48UL -#define HW_WRITE_ALIGN_LAST_REG_ADDR 0x0C4CUL -#define HW_DOUT_BUFFER_REG_ADDR 0x0C00UL -#define HW_DST_LLI_WORD0_REG_ADDR 0x0D28UL -#define HW_DST_LLI_WORD1_REG_ADDR 0x0D2CUL -#define HW_DST_LLI_MEM_ADDR_REG_ADDR 0x0D24UL -#define HW_DOUT_MEM_DMA_BUSY_REG_ADDR 0x0D20UL -#define HW_SRAM_DEST_ADDR_REG_ADDR 0x0D30UL -#define HW_DOUT_SRAM_BYTES_LEN_REG_ADDR 0x0D34UL -#define HW_DOUT_SRAM_DMA_BUSY_REG_ADDR 0x0D38UL -#define HW_READ_ALIGN_REG_ADDR 0x0D3CUL -#define HW_READ_LAST_DATA_REG_ADDR 0x0D44UL -#define HW_RC4_THRU_CPU_REG_ADDR 0x0D4CUL -#define HW_AHB_SINGLE_REG_ADDR 0x0E00UL -#define HW_SRAM_DATA_REG_ADDR 0x0F00UL -#define HW_SRAM_ADDR_REG_ADDR 0x0F04UL -#define HW_SRAM_DATA_READY_REG_ADDR 0x0F08UL #define HW_HOST_IRR_REG_ADDR 0x0A00UL #define HW_HOST_IMR_REG_ADDR 0x0A04UL #define HW_HOST_ICR_REG_ADDR 0x0A08UL -#define HW_HOST_SEP_SRAM_THRESHOLD_REG_ADDR 0x0A10UL -#define HW_HOST_SEP_BUSY_REG_ADDR 0x0A14UL -#define HW_HOST_SEP_LCS_REG_ADDR 0x0A18UL -#define HW_HOST_CC_SW_RST_REG_ADDR 0x0A40UL -#define HW_HOST_SEP_SW_RST_REG_ADDR 0x0A44UL -#define HW_HOST_FLOW_DMA_SW_INT0_REG_ADDR 0x0A80UL -#define HW_HOST_FLOW_DMA_SW_INT1_REG_ADDR 0x0A84UL -#define HW_HOST_FLOW_DMA_SW_INT2_REG_ADDR 0x0A88UL -#define HW_HOST_FLOW_DMA_SW_INT3_REG_ADDR 0x0A8cUL -#define HW_HOST_FLOW_DMA_SW_INT4_REG_ADDR 0x0A90UL -#define HW_HOST_FLOW_DMA_SW_INT5_REG_ADDR 0x0A94UL -#define HW_HOST_FLOW_DMA_SW_INT6_REG_ADDR 0x0A98UL -#define HW_HOST_FLOW_DMA_SW_INT7_REG_ADDR 0x0A9cUL #define HW_HOST_SEP_HOST_GPR0_REG_ADDR 0x0B00UL #define HW_HOST_SEP_HOST_GPR1_REG_ADDR 0x0B04UL #define HW_HOST_SEP_HOST_GPR2_REG_ADDR 0x0B08UL @@ -225,9 +51,6 @@ #define HW_HOST_HOST_SEP_GPR1_REG_ADDR 0x0B84UL #define HW_HOST_HOST_SEP_GPR2_REG_ADDR 0x0B88UL #define HW_HOST_HOST_SEP_GPR3_REG_ADDR 0x0B8CUL -#define HW_HOST_HOST_ENDIAN_REG_ADDR 0x0B90UL -#define HW_HOST_HOST_COMM_CLK_EN_REG_ADDR 0x0B94UL -#define HW_CLR_SRAM_BUSY_REG_REG_ADDR 0x0F0CUL -#define HW_CC_SRAM_BASE_ADDRESS 0x5800UL +#define HW_SRAM_DATA_READY_REG_ADDR 0x0F08UL #endif /* ifndef HW_DEFS */ diff --git a/drivers/staging/sep/sep_main.c b/drivers/staging/sep/sep_main.c new file mode 100644 index 00000000000..ad54c2e5c93 --- /dev/null +++ b/drivers/staging/sep/sep_main.c @@ -0,0 +1,4518 @@ +/* + * + * sep_main.c - Security Processor Driver main group of functions + * + * Copyright(c) 2009-2011 Intel Corporation. All rights reserved. + * Contributions(c) 2009-2011 Discretix. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * CONTACTS: + * + * Mark Allyn mark.a.allyn@intel.com + * Jayant Mangalampalli jayant.mangalampalli@intel.com + * + * CHANGES: + * + * 2009.06.26 Initial publish + * 2010.09.14 Upgrade to Medfield + * 2011.01.21 Move to sep_main.c to allow for sep_crypto.c + * 2011.02.22 Enable kernel crypto operation + * + * Please note that this driver is based on information in the Discretix + * CryptoCell 5.2 Driver Implementation Guide; the Discretix CryptoCell 5.2 + * Integration Intel Medfield appendix; the Discretix CryptoCell 5.2 + * Linux Driver Integration Guide; and the Discretix CryptoCell 5.2 System + * Overview and Integration Guide. + */ +/* #define DEBUG */ +/* #define SEP_PERF_DEBUG */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/miscdevice.h> +#include <linux/fs.h> +#include <linux/cdev.h> +#include <linux/kdev_t.h> +#include <linux/mutex.h> +#include <linux/sched.h> +#include <linux/mm.h> +#include <linux/poll.h> +#include <linux/wait.h> +#include <linux/pci.h> +#include <linux/pm_runtime.h> +#include <linux/slab.h> +#include <linux/ioctl.h> +#include <asm/current.h> +#include <linux/ioport.h> +#include <linux/io.h> +#include <linux/interrupt.h> +#include <linux/pagemap.h> +#include <asm/cacheflush.h> +#include <linux/sched.h> +#include <linux/delay.h> +#include <linux/jiffies.h> +#include <linux/async.h> +#include <linux/crypto.h> +#include <crypto/internal/hash.h> +#include <crypto/scatterwalk.h> +#include <crypto/sha.h> +#include <crypto/md5.h> +#include <crypto/aes.h> +#include <crypto/des.h> +#include <crypto/hash.h> + +#include "sep_driver_hw_defs.h" +#include "sep_driver_config.h" +#include "sep_driver_api.h" +#include "sep_dev.h" +#include "sep_crypto.h" + +#define CREATE_TRACE_POINTS +#include "sep_trace_events.h" + +/* + * Let's not spend cycles iterating over message + * area contents if debugging not enabled + */ +#ifdef DEBUG +#define sep_dump_message(sep) _sep_dump_message(sep) +#else +#define sep_dump_message(sep) +#endif + +/** + * Currenlty, there is only one SEP device per platform; + * In event platforms in the future have more than one SEP + * device, this will be a linked list + */ + +struct sep_device *sep_dev; + +/** + * sep_queue_status_remove - Removes transaction from status queue + * @sep: SEP device + * @sep_queue_info: pointer to status queue + * + * This function will removes information about transaction from the queue. + */ +void sep_queue_status_remove(struct sep_device *sep, + struct sep_queue_info **queue_elem) +{ + unsigned long lck_flags; + + dev_dbg(&sep->pdev->dev, "[PID%d] sep_queue_status_remove\n", + current->pid); + + if (!queue_elem || !(*queue_elem)) { + dev_dbg(&sep->pdev->dev, "PID%d %s null\n", + current->pid, __func__); + return; + } + + spin_lock_irqsave(&sep->sep_queue_lock, lck_flags); + list_del(&(*queue_elem)->list); + sep->sep_queue_num--; + spin_unlock_irqrestore(&sep->sep_queue_lock, lck_flags); + + kfree(*queue_elem); + *queue_elem = NULL; + + dev_dbg(&sep->pdev->dev, "[PID%d] sep_queue_status_remove return\n", + current->pid); + return; +} + +/** + * sep_queue_status_add - Adds transaction to status queue + * @sep: SEP device + * @opcode: transaction opcode + * @size: input data size + * @pid: pid of current process + * @name: current process name + * @name_len: length of name (current process) + * + * This function adds information about about transaction started to the status + * queue. + */ +struct sep_queue_info *sep_queue_status_add( + struct sep_device *sep, + u32 opcode, + u32 size, + u32 pid, + u8 *name, size_t name_len) +{ + unsigned long lck_flags; + struct sep_queue_info *my_elem = NULL; + + my_elem = kzalloc(sizeof(struct sep_queue_info), GFP_KERNEL); + + if (!my_elem) + return NULL; + + dev_dbg(&sep->pdev->dev, "[PID%d] kzalloc ok\n", current->pid); + + my_elem->data.opcode = opcode; + my_elem->data.size = size; + my_elem->data.pid = pid; + + if (name_len > TASK_COMM_LEN) + name_len = TASK_COMM_LEN; + + memcpy(&my_elem->data.name, name, name_len); + + spin_lock_irqsave(&sep->sep_queue_lock, lck_flags); + + list_add_tail(&my_elem->list, &sep->sep_queue_status); + sep->sep_queue_num++; + + spin_unlock_irqrestore(&sep->sep_queue_lock, lck_flags); + + return my_elem; +} + +/** + * sep_allocate_dmatables_region - Allocates buf for the MLLI/DMA tables + * @sep: SEP device + * @dmatables_region: Destination pointer for the buffer + * @dma_ctx: DMA context for the transaction + * @table_count: Number of MLLI/DMA tables to create + * The buffer created will not work as-is for DMA operations, + * it needs to be copied over to the appropriate place in the + * shared area. + */ +static int sep_allocate_dmatables_region(struct sep_device *sep, + void **dmatables_region, + struct sep_dma_context *dma_ctx, + const u32 table_count) +{ + const size_t new_len = + SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES - 1; + + void *tmp_region = NULL; + + dev_dbg(&sep->pdev->dev, "[PID%d] dma_ctx = 0x%p\n", + current->pid, dma_ctx); + dev_dbg(&sep->pdev->dev, "[PID%d] dmatables_region = 0x%p\n", + current->pid, dmatables_region); + + if (!dma_ctx || !dmatables_region) { + dev_warn(&sep->pdev->dev, + "[PID%d] dma context/region uninitialized\n", + current->pid); + return -EINVAL; + } + + dev_dbg(&sep->pdev->dev, "[PID%d] newlen = 0x%08zX\n", + current->pid, new_len); + dev_dbg(&sep->pdev->dev, "[PID%d] oldlen = 0x%08X\n", current->pid, + dma_ctx->dmatables_len); + tmp_region = kzalloc(new_len + dma_ctx->dmatables_len, GFP_KERNEL); + if (!tmp_region) { + dev_warn(&sep->pdev->dev, + "[PID%d] no mem for dma tables region\n", + current->pid); + return -ENOMEM; + } + + /* Were there any previous tables that need to be preserved ? */ + if (*dmatables_region) { + memcpy(tmp_region, *dmatables_region, dma_ctx->dmatables_len); + kfree(*dmatables_region); + *dmatables_region = NULL; + } + + *dmatables_region = tmp_region; + + dma_ctx->dmatables_len += new_len; + + return 0; +} + +/** + * sep_wait_transaction - Used for synchronizing transactions + * @sep: SEP device + */ +int sep_wait_transaction(struct sep_device *sep) +{ + int error = 0; + DEFINE_WAIT(wait); + + if (0 == test_and_set_bit(SEP_TRANSACTION_STARTED_LOCK_BIT, + &sep->in_use_flags)) { + dev_dbg(&sep->pdev->dev, + "[PID%d] no transactions, returning\n", + current->pid); + goto end_function_setpid; + } + + /* + * Looping needed even for exclusive waitq entries + * due to process wakeup latencies, previous process + * might have already created another transaction. + */ + for (;;) { + /* + * Exclusive waitq entry, so that only one process is + * woken up from the queue at a time. + */ + prepare_to_wait_exclusive(&sep->event_transactions, + &wait, + TASK_INTERRUPTIBLE); + if (0 == test_and_set_bit(SEP_TRANSACTION_STARTED_LOCK_BIT, + &sep->in_use_flags)) { + dev_dbg(&sep->pdev->dev, + "[PID%d] no transactions, breaking\n", + current->pid); + break; + } + dev_dbg(&sep->pdev->dev, + "[PID%d] transactions ongoing, sleeping\n", + current->pid); + schedule(); + dev_dbg(&sep->pdev->dev, "[PID%d] woken up\n", current->pid); + + if (signal_pending(current)) { + dev_dbg(&sep->pdev->dev, "[PID%d] received signal\n", + current->pid); + error = -EINTR; + goto end_function; + } + } +end_function_setpid: + /* + * The pid_doing_transaction indicates that this process + * now owns the facilities to performa a transaction with + * the SEP. While this process is performing a transaction, + * no other process who has the SEP device open can perform + * any transactions. This method allows more than one process + * to have the device open at any given time, which provides + * finer granularity for device utilization by multiple + * processes. + */ + /* Only one process is able to progress here at a time */ + sep->pid_doing_transaction = current->pid; + +end_function: + finish_wait(&sep->event_transactions, &wait); + + return error; +} + +/** + * sep_check_transaction_owner - Checks if current process owns transaction + * @sep: SEP device + */ +static inline int sep_check_transaction_owner(struct sep_device *sep) +{ + dev_dbg(&sep->pdev->dev, "[PID%d] transaction pid = %d\n", + current->pid, + sep->pid_doing_transaction); + + if ((sep->pid_doing_transaction == 0) || + (current->pid != sep->pid_doing_transaction)) { + return -EACCES; + } + + /* We own the transaction */ + return 0; +} + +#ifdef DEBUG + +/** + * sep_dump_message - dump the message that is pending + * @sep: SEP device + * This will only print dump if DEBUG is set; it does + * follow kernel debug print enabling + */ +static void _sep_dump_message(struct sep_device *sep) +{ + int count; + + u32 *p = sep->shared_addr; + + for (count = 0; count < 10 * 4; count += 4) + dev_dbg(&sep->pdev->dev, + "[PID%d] Word %d of the message is %x\n", + current->pid, count/4, *p++); +} + +#endif + +/** + * sep_map_and_alloc_shared_area -allocate shared block + * @sep: security processor + * @size: size of shared area + */ +static int sep_map_and_alloc_shared_area(struct sep_device *sep) +{ + sep->shared_addr = dma_alloc_coherent(&sep->pdev->dev, + sep->shared_size, + &sep->shared_bus, GFP_KERNEL); + + if (!sep->shared_addr) { + dev_dbg(&sep->pdev->dev, + "[PID%d] shared memory dma_alloc_coherent failed\n", + current->pid); + return -ENOMEM; + } + dev_dbg(&sep->pdev->dev, + "[PID%d] shared_addr %zx bytes @%p (bus %llx)\n", + current->pid, + sep->shared_size, sep->shared_addr, + (unsigned long long)sep->shared_bus); + return 0; +} + +/** + * sep_unmap_and_free_shared_area - free shared block + * @sep: security processor + */ +static void sep_unmap_and_free_shared_area(struct sep_device *sep) +{ + dma_free_coherent(&sep->pdev->dev, sep->shared_size, + sep->shared_addr, sep->shared_bus); +} + +#ifdef DEBUG + +/** + * sep_shared_bus_to_virt - convert bus/virt addresses + * @sep: pointer to struct sep_device + * @bus_address: address to convert + * + * Returns virtual address inside the shared area according + * to the bus address. + */ +static void *sep_shared_bus_to_virt(struct sep_device *sep, + dma_addr_t bus_address) +{ + return sep->shared_addr + (bus_address - sep->shared_bus); +} + +#endif + +/** + * sep_open - device open method + * @inode: inode of SEP device + * @filp: file handle to SEP device + * + * Open method for the SEP device. Called when userspace opens + * the SEP device node. + * + * Returns zero on success otherwise an error code. + */ +static int sep_open(struct inode *inode, struct file *filp) +{ + struct sep_device *sep; + struct sep_private_data *priv; + + dev_dbg(&sep_dev->pdev->dev, "[PID%d] open\n", current->pid); + + if (filp->f_flags & O_NONBLOCK) + return -ENOTSUPP; + + /* + * Get the SEP device structure and use it for the + * private_data field in filp for other methods + */ + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + sep = sep_dev; + priv->device = sep; + filp->private_data = priv; + + dev_dbg(&sep_dev->pdev->dev, "[PID%d] priv is 0x%p\n", + current->pid, priv); + + /* Anyone can open; locking takes place at transaction level */ + return 0; +} + +/** + * sep_free_dma_table_data_handler - free DMA table + * @sep: pointere to struct sep_device + * @dma_ctx: dma context + * + * Handles the request to free DMA table for synchronic actions + */ +int sep_free_dma_table_data_handler(struct sep_device *sep, + struct sep_dma_context **dma_ctx) +{ + int count; + int dcb_counter; + /* Pointer to the current dma_resource struct */ + struct sep_dma_resource *dma; + + dev_dbg(&sep->pdev->dev, + "[PID%d] sep_free_dma_table_data_handler\n", + current->pid); + + if (!dma_ctx || !(*dma_ctx)) { + /* No context or context already freed */ + dev_dbg(&sep->pdev->dev, + "[PID%d] no DMA context or context already freed\n", + current->pid); + + return 0; + } + + dev_dbg(&sep->pdev->dev, "[PID%d] (*dma_ctx)->nr_dcb_creat 0x%x\n", + current->pid, + (*dma_ctx)->nr_dcb_creat); + + for (dcb_counter = 0; + dcb_counter < (*dma_ctx)->nr_dcb_creat; dcb_counter++) { + dma = &(*dma_ctx)->dma_res_arr[dcb_counter]; + + /* Unmap and free input map array */ + if (dma->in_map_array) { + for (count = 0; count < dma->in_num_pages; count++) { + dma_unmap_page(&sep->pdev->dev, + dma->in_map_array[count].dma_addr, + dma->in_map_array[count].size, + DMA_TO_DEVICE); + } + kfree(dma->in_map_array); + } + + /** + * Output is handled different. If + * this was a secure dma into restricted memory, + * then we skip this step altogether as restricted + * memory is not available to the o/s at all. + */ + if (((*dma_ctx)->secure_dma == false) && + (dma->out_map_array)) { + + for (count = 0; count < dma->out_num_pages; count++) { + dma_unmap_page(&sep->pdev->dev, + dma->out_map_array[count].dma_addr, + dma->out_map_array[count].size, + DMA_FROM_DEVICE); + } + kfree(dma->out_map_array); + } + + /* Free page cache for output */ + if (dma->in_page_array) { + for (count = 0; count < dma->in_num_pages; count++) { + flush_dcache_page(dma->in_page_array[count]); + page_cache_release(dma->in_page_array[count]); + } + kfree(dma->in_page_array); + } + + /* Again, we do this only for non secure dma */ + if (((*dma_ctx)->secure_dma == false) && + (dma->out_page_array)) { + + for (count = 0; count < dma->out_num_pages; count++) { + if (!PageReserved(dma->out_page_array[count])) + + SetPageDirty(dma-> + out_page_array[count]); + + flush_dcache_page(dma->out_page_array[count]); + page_cache_release(dma->out_page_array[count]); + } + kfree(dma->out_page_array); + } + + /** + * Note that here we use in_map_num_entries because we + * don't have a page array; the page array is generated + * only in the lock_user_pages, which is not called + * for kernel crypto, which is what the sg (scatter gather + * is used for exclusively + */ + if (dma->src_sg) { + dma_unmap_sg(&sep->pdev->dev, dma->src_sg, + dma->in_map_num_entries, DMA_TO_DEVICE); + dma->src_sg = NULL; + } + + if (dma->dst_sg) { + dma_unmap_sg(&sep->pdev->dev, dma->dst_sg, + dma->in_map_num_entries, DMA_FROM_DEVICE); + dma->dst_sg = NULL; + } + + /* Reset all the values */ + dma->in_page_array = NULL; + dma->out_page_array = NULL; + dma->in_num_pages = 0; + dma->out_num_pages = 0; + dma->in_map_array = NULL; + dma->out_map_array = NULL; + dma->in_map_num_entries = 0; + dma->out_map_num_entries = 0; + } + + (*dma_ctx)->nr_dcb_creat = 0; + (*dma_ctx)->num_lli_tables_created = 0; + + kfree(*dma_ctx); + *dma_ctx = NULL; + + dev_dbg(&sep->pdev->dev, + "[PID%d] sep_free_dma_table_data_handler end\n", + current->pid); + + return 0; +} + +/** + * sep_end_transaction_handler - end transaction + * @sep: pointer to struct sep_device + * @dma_ctx: DMA context + * @call_status: Call status + * + * This API handles the end transaction request. + */ +static int sep_end_transaction_handler(struct sep_device *sep, + struct sep_dma_context **dma_ctx, + struct sep_call_status *call_status, + struct sep_queue_info **my_queue_elem) +{ + dev_dbg(&sep->pdev->dev, "[PID%d] ending transaction\n", current->pid); + + /* + * Extraneous transaction clearing would mess up PM + * device usage counters and SEP would get suspended + * just before we send a command to SEP in the next + * transaction + * */ + if (sep_check_transaction_owner(sep)) { + dev_dbg(&sep->pdev->dev, "[PID%d] not transaction owner\n", + current->pid); + return 0; + } + + /* Update queue status */ + sep_queue_status_remove(sep, my_queue_elem); + + /* Check that all the DMA resources were freed */ + if (dma_ctx) + sep_free_dma_table_data_handler(sep, dma_ctx); + + /* Reset call status for next transaction */ + if (call_status) + call_status->status = 0; + + /* Clear the message area to avoid next transaction reading + * sensitive results from previous transaction */ + memset(sep->shared_addr, 0, + SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES); + + /* start suspend delay */ +#ifdef SEP_ENABLE_RUNTIME_PM + if (sep->in_use) { + sep->in_use = 0; + pm_runtime_mark_last_busy(&sep->pdev->dev); + pm_runtime_put_autosuspend(&sep->pdev->dev); + } +#endif + + clear_bit(SEP_WORKING_LOCK_BIT, &sep->in_use_flags); + sep->pid_doing_transaction = 0; + + /* Now it's safe for next process to proceed */ + dev_dbg(&sep->pdev->dev, "[PID%d] waking up next transaction\n", + current->pid); + clear_bit(SEP_TRANSACTION_STARTED_LOCK_BIT, &sep->in_use_flags); + wake_up(&sep->event_transactions); + + return 0; +} + + +/** + * sep_release - close a SEP device + * @inode: inode of SEP device + * @filp: file handle being closed + * + * Called on the final close of a SEP device. + */ +static int sep_release(struct inode *inode, struct file *filp) +{ + struct sep_private_data * const private_data = filp->private_data; + struct sep_call_status *call_status = &private_data->call_status; + struct sep_device *sep = private_data->device; + struct sep_dma_context **dma_ctx = &private_data->dma_ctx; + struct sep_queue_info **my_queue_elem = &private_data->my_queue_elem; + + dev_dbg(&sep->pdev->dev, "[PID%d] release\n", current->pid); + + sep_end_transaction_handler(sep, dma_ctx, call_status, + my_queue_elem); + + kfree(filp->private_data); + + return 0; +} + +/** + * sep_mmap - maps the shared area to user space + * @filp: pointer to struct file + * @vma: pointer to vm_area_struct + * + * Called on an mmap of our space via the normal SEP device + */ +static int sep_mmap(struct file *filp, struct vm_area_struct *vma) +{ + struct sep_private_data * const private_data = filp->private_data; + struct sep_call_status *call_status = &private_data->call_status; + struct sep_device *sep = private_data->device; + struct sep_queue_info **my_queue_elem = &private_data->my_queue_elem; + dma_addr_t bus_addr; + unsigned long error = 0; + + dev_dbg(&sep->pdev->dev, "[PID%d] sep_mmap\n", current->pid); + + /* Set the transaction busy (own the device) */ + /* + * Problem for multithreaded applications is that here we're + * possibly going to sleep while holding a write lock on + * current->mm->mmap_sem, which will cause deadlock for ongoing + * transaction trying to create DMA tables + */ + error = sep_wait_transaction(sep); + if (error) + /* Interrupted by signal, don't clear transaction */ + goto end_function; + + /* Clear the message area to avoid next transaction reading + * sensitive results from previous transaction */ + memset(sep->shared_addr, 0, + SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES); + + /* + * Check that the size of the mapped range is as the size of the message + * shared area + */ + if ((vma->vm_end - vma->vm_start) > SEP_DRIVER_MMMAP_AREA_SIZE) { + error = -EINVAL; + goto end_function_with_error; + } + + dev_dbg(&sep->pdev->dev, "[PID%d] shared_addr is %p\n", + current->pid, sep->shared_addr); + + /* Get bus address */ + bus_addr = sep->shared_bus; + + if (remap_pfn_range(vma, vma->vm_start, bus_addr >> PAGE_SHIFT, + vma->vm_end - vma->vm_start, vma->vm_page_prot)) { + dev_dbg(&sep->pdev->dev, "[PID%d] remap_page_range failed\n", + current->pid); + error = -EAGAIN; + goto end_function_with_error; + } + + /* Update call status */ + set_bit(SEP_LEGACY_MMAP_DONE_OFFSET, &call_status->status); + + goto end_function; + +end_function_with_error: + /* Clear our transaction */ + sep_end_transaction_handler(sep, NULL, call_status, + my_queue_elem); + +end_function: + return error; +} + +/** + * sep_poll - poll handler + * @filp: pointer to struct file + * @wait: pointer to poll_table + * + * Called by the OS when the kernel is asked to do a poll on + * a SEP file handle. + */ +static unsigned int sep_poll(struct file *filp, poll_table *wait) +{ + struct sep_private_data * const private_data = filp->private_data; + struct sep_call_status *call_status = &private_data->call_status; + struct sep_device *sep = private_data->device; + u32 mask = 0; + u32 retval = 0; + u32 retval2 = 0; + unsigned long lock_irq_flag; + + /* Am I the process that owns the transaction? */ + if (sep_check_transaction_owner(sep)) { + dev_dbg(&sep->pdev->dev, "[PID%d] poll pid not owner\n", + current->pid); + mask = POLLERR; + goto end_function; + } + + /* Check if send command or send_reply were activated previously */ + if (0 == test_bit(SEP_LEGACY_SENDMSG_DONE_OFFSET, + &call_status->status)) { + dev_warn(&sep->pdev->dev, "[PID%d] sendmsg not called\n", + current->pid); + mask = POLLERR; + goto end_function; + } + + + /* Add the event to the polling wait table */ + dev_dbg(&sep->pdev->dev, "[PID%d] poll: calling wait sep_event\n", + current->pid); + + poll_wait(filp, &sep->event_interrupt, wait); + + dev_dbg(&sep->pdev->dev, + "[PID%d] poll: send_ct is %lx reply ct is %lx\n", + current->pid, sep->send_ct, sep->reply_ct); + + /* Check if error occured during poll */ + retval2 = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR3_REG_ADDR); + if ((retval2 != 0x0) && (retval2 != 0x8)) { + dev_dbg(&sep->pdev->dev, "[PID%d] poll; poll error %x\n", + current->pid, retval2); + mask |= POLLERR; + goto end_function; + } + + spin_lock_irqsave(&sep->snd_rply_lck, lock_irq_flag); + + if (sep->send_ct == sep->reply_ct) { + spin_unlock_irqrestore(&sep->snd_rply_lck, lock_irq_flag); + retval = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR2_REG_ADDR); + dev_dbg(&sep->pdev->dev, + "[PID%d] poll: data ready check (GPR2) %x\n", + current->pid, retval); + + /* Check if printf request */ + if ((retval >> 30) & 0x1) { + dev_dbg(&sep->pdev->dev, + "[PID%d] poll: SEP printf request\n", + current->pid); + goto end_function; + } + + /* Check if the this is SEP reply or request */ + if (retval >> 31) { + dev_dbg(&sep->pdev->dev, + "[PID%d] poll: SEP request\n", + current->pid); + } else { + dev_dbg(&sep->pdev->dev, + "[PID%d] poll: normal return\n", + current->pid); + sep_dump_message(sep); + dev_dbg(&sep->pdev->dev, + "[PID%d] poll; SEP reply POLLIN|POLLRDNORM\n", + current->pid); + mask |= POLLIN | POLLRDNORM; + } + set_bit(SEP_LEGACY_POLL_DONE_OFFSET, &call_status->status); + } else { + spin_unlock_irqrestore(&sep->snd_rply_lck, lock_irq_flag); + dev_dbg(&sep->pdev->dev, + "[PID%d] poll; no reply; returning mask of 0\n", + current->pid); + mask = 0; + } + +end_function: + return mask; +} + +/** + * sep_time_address - address in SEP memory of time + * @sep: SEP device we want the address from + * + * Return the address of the two dwords in memory used for time + * setting. + */ +static u32 *sep_time_address(struct sep_device *sep) +{ + return sep->shared_addr + + SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES; +} + +/** + * sep_set_time - set the SEP time + * @sep: the SEP we are setting the time for + * + * Calculates time and sets it at the predefined address. + * Called with the SEP mutex held. + */ +static unsigned long sep_set_time(struct sep_device *sep) +{ + struct timeval time; + u32 *time_addr; /* Address of time as seen by the kernel */ + + + do_gettimeofday(&time); + + /* Set value in the SYSTEM MEMORY offset */ + time_addr = sep_time_address(sep); + + time_addr[0] = SEP_TIME_VAL_TOKEN; + time_addr[1] = time.tv_sec; + + dev_dbg(&sep->pdev->dev, "[PID%d] time.tv_sec is %lu\n", + current->pid, time.tv_sec); + dev_dbg(&sep->pdev->dev, "[PID%d] time_addr is %p\n", + current->pid, time_addr); + dev_dbg(&sep->pdev->dev, "[PID%d] sep->shared_addr is %p\n", + current->pid, sep->shared_addr); + + return time.tv_sec; +} + +/** + * sep_send_command_handler - kick off a command + * @sep: SEP being signalled + * + * This function raises interrupt to SEP that signals that is has a new + * command from the host + * + * Note that this function does fall under the ioctl lock + */ +int sep_send_command_handler(struct sep_device *sep) +{ + unsigned long lock_irq_flag; + u32 *msg_pool; + int error = 0; + + /* Basic sanity check; set msg pool to start of shared area */ + msg_pool = (u32 *)sep->shared_addr; + msg_pool += 2; + + /* Look for start msg token */ + if (*msg_pool != SEP_START_MSG_TOKEN) { + dev_warn(&sep->pdev->dev, "start message token not present\n"); + error = -EPROTO; + goto end_function; + } + + /* Do we have a reasonable size? */ + msg_pool += 1; + if ((*msg_pool < 2) || + (*msg_pool > SEP_DRIVER_MAX_MESSAGE_SIZE_IN_BYTES)) { + + dev_warn(&sep->pdev->dev, "invalid message size\n"); + error = -EPROTO; + goto end_function; + } + + /* Does the command look reasonable? */ + msg_pool += 1; + if (*msg_pool < 2) { + dev_warn(&sep->pdev->dev, "invalid message opcode\n"); + error = -EPROTO; + goto end_function; + } + +#if defined(CONFIG_PM_RUNTIME) && defined(SEP_ENABLE_RUNTIME_PM) + dev_dbg(&sep->pdev->dev, "[PID%d] before pm sync status 0x%X\n", + current->pid, + sep->pdev->dev.power.runtime_status); + sep->in_use = 1; /* device is about to be used */ + pm_runtime_get_sync(&sep->pdev->dev); +#endif + + if (test_and_set_bit(SEP_WORKING_LOCK_BIT, &sep->in_use_flags)) { + error = -EPROTO; + goto end_function; + } + sep->in_use = 1; /* device is about to be used */ + sep_set_time(sep); + + sep_dump_message(sep); + + /* Update counter */ + spin_lock_irqsave(&sep->snd_rply_lck, lock_irq_flag); + sep->send_ct++; + spin_unlock_irqrestore(&sep->snd_rply_lck, lock_irq_flag); + + dev_dbg(&sep->pdev->dev, + "[PID%d] sep_send_command_handler send_ct %lx reply_ct %lx\n", + current->pid, sep->send_ct, sep->reply_ct); + + /* Send interrupt to SEP */ + sep_write_reg(sep, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x2); + +end_function: + return error; +} + +/** + * sep_crypto_dma - + * @sep: pointer to struct sep_device + * @sg: pointer to struct scatterlist + * @direction: + * @dma_maps: pointer to place a pointer to array of dma maps + * This is filled in; anything previous there will be lost + * The structure for dma maps is sep_dma_map + * @returns number of dma maps on success; negative on error + * + * This creates the dma table from the scatterlist + * It is used only for kernel crypto as it works with scatterlists + * representation of data buffers + * + */ +static int sep_crypto_dma( + struct sep_device *sep, + struct scatterlist *sg, + struct sep_dma_map **dma_maps, + enum dma_data_direction direction) +{ + struct scatterlist *temp_sg; + + u32 count_segment; + u32 count_mapped; + struct sep_dma_map *sep_dma; + int ct1; + + if (sg->length == 0) + return 0; + + /* Count the segments */ + temp_sg = sg; + count_segment = 0; + while (temp_sg) { + count_segment += 1; + temp_sg = scatterwalk_sg_next(temp_sg); + } + dev_dbg(&sep->pdev->dev, + "There are (hex) %x segments in sg\n", count_segment); + + /* DMA map segments */ + count_mapped = dma_map_sg(&sep->pdev->dev, sg, + count_segment, direction); + + dev_dbg(&sep->pdev->dev, + "There are (hex) %x maps in sg\n", count_mapped); + + if (count_mapped == 0) { + dev_dbg(&sep->pdev->dev, "Cannot dma_map_sg\n"); + return -ENOMEM; + } + + sep_dma = kmalloc(sizeof(struct sep_dma_map) * + count_mapped, GFP_ATOMIC); + + if (sep_dma == NULL) { + dev_dbg(&sep->pdev->dev, "Cannot allocate dma_maps\n"); + return -ENOMEM; + } + + for_each_sg(sg, temp_sg, count_mapped, ct1) { + sep_dma[ct1].dma_addr = sg_dma_address(temp_sg); + sep_dma[ct1].size = sg_dma_len(temp_sg); + dev_dbg(&sep->pdev->dev, "(all hex) map %x dma %lx len %lx\n", + ct1, (unsigned long)sep_dma[ct1].dma_addr, + (unsigned long)sep_dma[ct1].size); + } + + *dma_maps = sep_dma; + return count_mapped; + +} + +/** + * sep_crypto_lli - + * @sep: pointer to struct sep_device + * @sg: pointer to struct scatterlist + * @data_size: total data size + * @direction: + * @dma_maps: pointer to place a pointer to array of dma maps + * This is filled in; anything previous there will be lost + * The structure for dma maps is sep_dma_map + * @lli_maps: pointer to place a pointer to array of lli maps + * This is filled in; anything previous there will be lost + * The structure for dma maps is sep_dma_map + * @returns number of dma maps on success; negative on error + * + * This creates the LLI table from the scatterlist + * It is only used for kernel crypto as it works exclusively + * with scatterlists (struct scatterlist) representation of + * data buffers + */ +static int sep_crypto_lli( + struct sep_device *sep, + struct scatterlist *sg, + struct sep_dma_map **maps, + struct sep_lli_entry **llis, + u32 data_size, + enum dma_data_direction direction) +{ + + int ct1; + struct sep_lli_entry *sep_lli; + struct sep_dma_map *sep_map; + + int nbr_ents; + + nbr_ents = sep_crypto_dma(sep, sg, maps, direction); + if (nbr_ents <= 0) { + dev_dbg(&sep->pdev->dev, "crypto_dma failed %x\n", + nbr_ents); + return nbr_ents; + } + + sep_map = *maps; + + sep_lli = kmalloc(sizeof(struct sep_lli_entry) * nbr_ents, GFP_ATOMIC); + + if (sep_lli == NULL) { + dev_dbg(&sep->pdev->dev, "Cannot allocate lli_maps\n"); + + kfree(*maps); + *maps = NULL; + return -ENOMEM; + } + + for (ct1 = 0; ct1 < nbr_ents; ct1 += 1) { + sep_lli[ct1].bus_address = (u32)sep_map[ct1].dma_addr; + + /* Maximum for page is total data size */ + if (sep_map[ct1].size > data_size) + sep_map[ct1].size = data_size; + + sep_lli[ct1].block_size = (u32)sep_map[ct1].size; + } + + *llis = sep_lli; + return nbr_ents; +} + +/** + * sep_lock_kernel_pages - map kernel pages for DMA + * @sep: pointer to struct sep_device + * @kernel_virt_addr: address of data buffer in kernel + * @data_size: size of data + * @lli_array_ptr: lli array + * @in_out_flag: input into device or output from device + * + * This function locks all the physical pages of the kernel virtual buffer + * and construct a basic lli array, where each entry holds the physical + * page address and the size that application data holds in this page + * This function is used only during kernel crypto mod calls from within + * the kernel (when ioctl is not used) + * + * This is used only for kernel crypto. Kernel pages + * are handled differently as they are done via + * scatter gather lists (struct scatterlist) + */ +static int sep_lock_kernel_pages(struct sep_device *sep, + unsigned long kernel_virt_addr, + u32 data_size, + struct sep_lli_entry **lli_array_ptr, + int in_out_flag, + struct sep_dma_context *dma_ctx) + +{ + u32 num_pages; + struct scatterlist *sg; + + /* Array of lli */ + struct sep_lli_entry *lli_array; + /* Map array */ + struct sep_dma_map *map_array; + + enum dma_data_direction direction; + + lli_array = NULL; + map_array = NULL; + + if (in_out_flag == SEP_DRIVER_IN_FLAG) { + direction = DMA_TO_DEVICE; + sg = dma_ctx->src_sg; + } else { + direction = DMA_FROM_DEVICE; + sg = dma_ctx->dst_sg; + } + + num_pages = sep_crypto_lli(sep, sg, &map_array, &lli_array, + data_size, direction); + + if (num_pages <= 0) { + dev_dbg(&sep->pdev->dev, "sep_crypto_lli returned error %x\n", + num_pages); + return -ENOMEM; + } + + /* Put mapped kernel sg into kernel resource array */ + + /* Set output params acording to the in_out flag */ + if (in_out_flag == SEP_DRIVER_IN_FLAG) { + *lli_array_ptr = lli_array; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_num_pages = + num_pages; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_page_array = + NULL; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_map_array = + map_array; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_map_num_entries = + num_pages; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].src_sg = + dma_ctx->src_sg; + } else { + *lli_array_ptr = lli_array; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_num_pages = + num_pages; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_page_array = + NULL; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_map_array = + map_array; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat]. + out_map_num_entries = num_pages; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].dst_sg = + dma_ctx->dst_sg; + } + + return 0; +} + +/** + * sep_lock_user_pages - lock and map user pages for DMA + * @sep: pointer to struct sep_device + * @app_virt_addr: user memory data buffer + * @data_size: size of data buffer + * @lli_array_ptr: lli array + * @in_out_flag: input or output to device + * + * This function locks all the physical pages of the application + * virtual buffer and construct a basic lli array, where each entry + * holds the physical page address and the size that application + * data holds in this physical pages + */ +static int sep_lock_user_pages(struct sep_device *sep, + u32 app_virt_addr, + u32 data_size, + struct sep_lli_entry **lli_array_ptr, + int in_out_flag, + struct sep_dma_context *dma_ctx) + +{ + int error = 0; + u32 count; + int result; + /* The the page of the end address of the user space buffer */ + u32 end_page; + /* The page of the start address of the user space buffer */ + u32 start_page; + /* The range in pages */ + u32 num_pages; + /* Array of pointers to page */ + struct page **page_array; + /* Array of lli */ + struct sep_lli_entry *lli_array; + /* Map array */ + struct sep_dma_map *map_array; + + /* Set start and end pages and num pages */ + end_page = (app_virt_addr + data_size - 1) >> PAGE_SHIFT; + start_page = app_virt_addr >> PAGE_SHIFT; + num_pages = end_page - start_page + 1; + + dev_dbg(&sep->pdev->dev, + "[PID%d] lock user pages app_virt_addr is %x\n", + current->pid, app_virt_addr); + + dev_dbg(&sep->pdev->dev, "[PID%d] data_size is (hex) %x\n", + current->pid, data_size); + dev_dbg(&sep->pdev->dev, "[PID%d] start_page is (hex) %x\n", + current->pid, start_page); + dev_dbg(&sep->pdev->dev, "[PID%d] end_page is (hex) %x\n", + current->pid, end_page); + dev_dbg(&sep->pdev->dev, "[PID%d] num_pages is (hex) %x\n", + current->pid, num_pages); + + /* Allocate array of pages structure pointers */ + page_array = kmalloc(sizeof(struct page *) * num_pages, GFP_ATOMIC); + if (!page_array) { + error = -ENOMEM; + goto end_function; + } + map_array = kmalloc(sizeof(struct sep_dma_map) * num_pages, GFP_ATOMIC); + if (!map_array) { + dev_warn(&sep->pdev->dev, + "[PID%d] kmalloc for map_array failed\n", + current->pid); + error = -ENOMEM; + goto end_function_with_error1; + } + + lli_array = kmalloc(sizeof(struct sep_lli_entry) * num_pages, + GFP_ATOMIC); + + if (!lli_array) { + dev_warn(&sep->pdev->dev, + "[PID%d] kmalloc for lli_array failed\n", + current->pid); + error = -ENOMEM; + goto end_function_with_error2; + } + + /* Convert the application virtual address into a set of physical */ + down_read(¤t->mm->mmap_sem); + result = get_user_pages(current, current->mm, app_virt_addr, + num_pages, + ((in_out_flag == SEP_DRIVER_IN_FLAG) ? 0 : 1), + 0, page_array, NULL); + + up_read(¤t->mm->mmap_sem); + + /* Check the number of pages locked - if not all then exit with error */ + if (result != num_pages) { + dev_warn(&sep->pdev->dev, + "[PID%d] not all pages locked by get_user_pages, " + "result 0x%X, num_pages 0x%X\n", + current->pid, result, num_pages); + error = -ENOMEM; + goto end_function_with_error3; + } + + dev_dbg(&sep->pdev->dev, "[PID%d] get_user_pages succeeded\n", + current->pid); + + /* + * Fill the array using page array data and + * map the pages - this action will also flush the cache as needed + */ + for (count = 0; count < num_pages; count++) { + /* Fill the map array */ + map_array[count].dma_addr = + dma_map_page(&sep->pdev->dev, page_array[count], + 0, PAGE_SIZE, DMA_BIDIRECTIONAL); + + map_array[count].size = PAGE_SIZE; + + /* Fill the lli array entry */ + lli_array[count].bus_address = (u32)map_array[count].dma_addr; + lli_array[count].block_size = PAGE_SIZE; + + dev_dbg(&sep->pdev->dev, + "[PID%d] lli_array[%x].bus_address is %08lx, " + "lli_array[%x].block_size is (hex) %x\n", current->pid, + count, (unsigned long)lli_array[count].bus_address, + count, lli_array[count].block_size); + } + + /* Check the offset for the first page */ + lli_array[0].bus_address = + lli_array[0].bus_address + (app_virt_addr & (~PAGE_MASK)); + + /* Check that not all the data is in the first page only */ + if ((PAGE_SIZE - (app_virt_addr & (~PAGE_MASK))) >= data_size) + lli_array[0].block_size = data_size; + else + lli_array[0].block_size = + PAGE_SIZE - (app_virt_addr & (~PAGE_MASK)); + + dev_dbg(&sep->pdev->dev, + "[PID%d] After check if page 0 has all data\n", + current->pid); + dev_dbg(&sep->pdev->dev, + "[PID%d] lli_array[0].bus_address is (hex) %08lx, " + "lli_array[0].block_size is (hex) %x\n", + current->pid, + (unsigned long)lli_array[0].bus_address, + lli_array[0].block_size); + + + /* Check the size of the last page */ + if (num_pages > 1) { + lli_array[num_pages - 1].block_size = + (app_virt_addr + data_size) & (~PAGE_MASK); + if (lli_array[num_pages - 1].block_size == 0) + lli_array[num_pages - 1].block_size = PAGE_SIZE; + + dev_dbg(&sep->pdev->dev, + "[PID%d] After last page size adjustment\n", + current->pid); + dev_dbg(&sep->pdev->dev, + "[PID%d] lli_array[%x].bus_address is (hex) %08lx, " + "lli_array[%x].block_size is (hex) %x\n", + current->pid, + num_pages - 1, + (unsigned long)lli_array[num_pages - 1].bus_address, + num_pages - 1, + lli_array[num_pages - 1].block_size); + } + + /* Set output params acording to the in_out flag */ + if (in_out_flag == SEP_DRIVER_IN_FLAG) { + *lli_array_ptr = lli_array; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_num_pages = + num_pages; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_page_array = + page_array; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_map_array = + map_array; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_map_num_entries = + num_pages; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].src_sg = NULL; + } else { + *lli_array_ptr = lli_array; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_num_pages = + num_pages; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_page_array = + page_array; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_map_array = + map_array; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat]. + out_map_num_entries = num_pages; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].dst_sg = NULL; + } + goto end_function; + +end_function_with_error3: + /* Free lli array */ + kfree(lli_array); + +end_function_with_error2: + kfree(map_array); + +end_function_with_error1: + /* Free page array */ + kfree(page_array); + +end_function: + return error; +} + +/** + * sep_lli_table_secure_dma - get lli array for IMR addresses + * @sep: pointer to struct sep_device + * @app_virt_addr: user memory data buffer + * @data_size: size of data buffer + * @lli_array_ptr: lli array + * @in_out_flag: not used + * @dma_ctx: pointer to struct sep_dma_context + * + * This function creates lli tables for outputting data to + * IMR memory, which is memory that cannot be accessed by the + * the x86 processor. + */ +static int sep_lli_table_secure_dma(struct sep_device *sep, + u32 app_virt_addr, + u32 data_size, + struct sep_lli_entry **lli_array_ptr, + int in_out_flag, + struct sep_dma_context *dma_ctx) + +{ + int error = 0; + u32 count; + /* The the page of the end address of the user space buffer */ + u32 end_page; + /* The page of the start address of the user space buffer */ + u32 start_page; + /* The range in pages */ + u32 num_pages; + /* Array of lli */ + struct sep_lli_entry *lli_array; + + /* Set start and end pages and num pages */ + end_page = (app_virt_addr + data_size - 1) >> PAGE_SHIFT; + start_page = app_virt_addr >> PAGE_SHIFT; + num_pages = end_page - start_page + 1; + + dev_dbg(&sep->pdev->dev, "[PID%d] lock user pages" + " app_virt_addr is %x\n", current->pid, app_virt_addr); + + dev_dbg(&sep->pdev->dev, "[PID%d] data_size is (hex) %x\n", + current->pid, data_size); + dev_dbg(&sep->pdev->dev, "[PID%d] start_page is (hex) %x\n", + current->pid, start_page); + dev_dbg(&sep->pdev->dev, "[PID%d] end_page is (hex) %x\n", + current->pid, end_page); + dev_dbg(&sep->pdev->dev, "[PID%d] num_pages is (hex) %x\n", + current->pid, num_pages); + + lli_array = kmalloc(sizeof(struct sep_lli_entry) * num_pages, + GFP_ATOMIC); + + if (!lli_array) { + dev_warn(&sep->pdev->dev, + "[PID%d] kmalloc for lli_array failed\n", + current->pid); + return -ENOMEM; + } + + /* + * Fill the lli_array + */ + start_page = start_page << PAGE_SHIFT; + for (count = 0; count < num_pages; count++) { + /* Fill the lli array entry */ + lli_array[count].bus_address = start_page; + lli_array[count].block_size = PAGE_SIZE; + + start_page += PAGE_SIZE; + + dev_dbg(&sep->pdev->dev, + "[PID%d] lli_array[%x].bus_address is %08lx, " + "lli_array[%x].block_size is (hex) %x\n", + current->pid, + count, (unsigned long)lli_array[count].bus_address, + count, lli_array[count].block_size); + } + + /* Check the offset for the first page */ + lli_array[0].bus_address = + lli_array[0].bus_address + (app_virt_addr & (~PAGE_MASK)); + + /* Check that not all the data is in the first page only */ + if ((PAGE_SIZE - (app_virt_addr & (~PAGE_MASK))) >= data_size) + lli_array[0].block_size = data_size; + else + lli_array[0].block_size = + PAGE_SIZE - (app_virt_addr & (~PAGE_MASK)); + + dev_dbg(&sep->pdev->dev, + "[PID%d] After check if page 0 has all data\n" + "lli_array[0].bus_address is (hex) %08lx, " + "lli_array[0].block_size is (hex) %x\n", + current->pid, + (unsigned long)lli_array[0].bus_address, + lli_array[0].block_size); + + /* Check the size of the last page */ + if (num_pages > 1) { + lli_array[num_pages - 1].block_size = + (app_virt_addr + data_size) & (~PAGE_MASK); + if (lli_array[num_pages - 1].block_size == 0) + lli_array[num_pages - 1].block_size = PAGE_SIZE; + + dev_dbg(&sep->pdev->dev, + "[PID%d] After last page size adjustment\n" + "lli_array[%x].bus_address is (hex) %08lx, " + "lli_array[%x].block_size is (hex) %x\n", + current->pid, num_pages - 1, + (unsigned long)lli_array[num_pages - 1].bus_address, + num_pages - 1, + lli_array[num_pages - 1].block_size); + } + *lli_array_ptr = lli_array; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_num_pages = num_pages; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_page_array = NULL; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_map_array = NULL; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_map_num_entries = 0; + + return error; +} + +/** + * sep_calculate_lli_table_max_size - size the LLI table + * @sep: pointer to struct sep_device + * @lli_in_array_ptr + * @num_array_entries + * @last_table_flag + * + * This function calculates the size of data that can be inserted into + * the lli table from this array, such that either the table is full + * (all entries are entered), or there are no more entries in the + * lli array + */ +static u32 sep_calculate_lli_table_max_size(struct sep_device *sep, + struct sep_lli_entry *lli_in_array_ptr, + u32 num_array_entries, + u32 *last_table_flag) +{ + u32 counter; + /* Table data size */ + u32 table_data_size = 0; + /* Data size for the next table */ + u32 next_table_data_size; + + *last_table_flag = 0; + + /* + * Calculate the data in the out lli table till we fill the whole + * table or till the data has ended + */ + for (counter = 0; + (counter < (SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP - 1)) && + (counter < num_array_entries); counter++) + table_data_size += lli_in_array_ptr[counter].block_size; + + /* + * Check if we reached the last entry, + * meaning this ia the last table to build, + * and no need to check the block alignment + */ + if (counter == num_array_entries) { + /* Set the last table flag */ + *last_table_flag = 1; + goto end_function; + } + + /* + * Calculate the data size of the next table. + * Stop if no entries left or if data size is more the DMA restriction + */ + next_table_data_size = 0; + for (; counter < num_array_entries; counter++) { + next_table_data_size += lli_in_array_ptr[counter].block_size; + if (next_table_data_size >= SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE) + break; + } + + /* + * Check if the next table data size is less then DMA rstriction. + * if it is - recalculate the current table size, so that the next + * table data size will be adaquete for DMA + */ + if (next_table_data_size && + next_table_data_size < SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE) + + table_data_size -= (SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE - + next_table_data_size); + +end_function: + return table_data_size; +} + +/** + * sep_build_lli_table - build an lli array for the given table + * @sep: pointer to struct sep_device + * @lli_array_ptr: pointer to lli array + * @lli_table_ptr: pointer to lli table + * @num_processed_entries_ptr: pointer to number of entries + * @num_table_entries_ptr: pointer to number of tables + * @table_data_size: total data size + * + * Builds ant lli table from the lli_array according to + * the given size of data + */ +static void sep_build_lli_table(struct sep_device *sep, + struct sep_lli_entry *lli_array_ptr, + struct sep_lli_entry *lli_table_ptr, + u32 *num_processed_entries_ptr, + u32 *num_table_entries_ptr, + u32 table_data_size) +{ + /* Current table data size */ + u32 curr_table_data_size; + /* Counter of lli array entry */ + u32 array_counter; + + /* Init current table data size and lli array entry counter */ + curr_table_data_size = 0; + array_counter = 0; + *num_table_entries_ptr = 1; + + dev_dbg(&sep->pdev->dev, + "[PID%d] build lli table table_data_size: (hex) %x\n", + current->pid, table_data_size); + + /* Fill the table till table size reaches the needed amount */ + while (curr_table_data_size < table_data_size) { + /* Update the number of entries in table */ + (*num_table_entries_ptr)++; + + lli_table_ptr->bus_address = + cpu_to_le32(lli_array_ptr[array_counter].bus_address); + + lli_table_ptr->block_size = + cpu_to_le32(lli_array_ptr[array_counter].block_size); + + curr_table_data_size += lli_array_ptr[array_counter].block_size; + + dev_dbg(&sep->pdev->dev, + "[PID%d] lli_table_ptr is %p\n", + current->pid, lli_table_ptr); + dev_dbg(&sep->pdev->dev, + "[PID%d] lli_table_ptr->bus_address: %08lx\n", + current->pid, + (unsigned long)lli_table_ptr->bus_address); + + dev_dbg(&sep->pdev->dev, + "[PID%d] lli_table_ptr->block_size is (hex) %x\n", + current->pid, lli_table_ptr->block_size); + + /* Check for overflow of the table data */ + if (curr_table_data_size > table_data_size) { + dev_dbg(&sep->pdev->dev, + "[PID%d] curr_table_data_size too large\n", + current->pid); + + /* Update the size of block in the table */ + lli_table_ptr->block_size = + cpu_to_le32(lli_table_ptr->block_size) - + (curr_table_data_size - table_data_size); + + /* Update the physical address in the lli array */ + lli_array_ptr[array_counter].bus_address += + cpu_to_le32(lli_table_ptr->block_size); + + /* Update the block size left in the lli array */ + lli_array_ptr[array_counter].block_size = + (curr_table_data_size - table_data_size); + } else + /* Advance to the next entry in the lli_array */ + array_counter++; + + dev_dbg(&sep->pdev->dev, + "[PID%d] lli_table_ptr->bus_address is %08lx\n", + current->pid, + (unsigned long)lli_table_ptr->bus_address); + dev_dbg(&sep->pdev->dev, + "[PID%d] lli_table_ptr->block_size is (hex) %x\n", + current->pid, + lli_table_ptr->block_size); + + /* Move to the next entry in table */ + lli_table_ptr++; + } + + /* Set the info entry to default */ + lli_table_ptr->bus_address = 0xffffffff; + lli_table_ptr->block_size = 0; + + /* Set the output parameter */ + *num_processed_entries_ptr += array_counter; + +} + +/** + * sep_shared_area_virt_to_bus - map shared area to bus address + * @sep: pointer to struct sep_device + * @virt_address: virtual address to convert + * + * This functions returns the physical address inside shared area according + * to the virtual address. It can be either on the externa RAM device + * (ioremapped), or on the system RAM + * This implementation is for the external RAM + */ +static dma_addr_t sep_shared_area_virt_to_bus(struct sep_device *sep, + void *virt_address) +{ + dev_dbg(&sep->pdev->dev, "[PID%d] sh virt to phys v %p\n", + current->pid, virt_address); + dev_dbg(&sep->pdev->dev, "[PID%d] sh virt to phys p %08lx\n", + current->pid, + (unsigned long) + sep->shared_bus + (virt_address - sep->shared_addr)); + + return sep->shared_bus + (size_t)(virt_address - sep->shared_addr); +} + +/** + * sep_shared_area_bus_to_virt - map shared area bus address to kernel + * @sep: pointer to struct sep_device + * @bus_address: bus address to convert + * + * This functions returns the virtual address inside shared area + * according to the physical address. It can be either on the + * externa RAM device (ioremapped), or on the system RAM + * This implementation is for the external RAM + */ +static void *sep_shared_area_bus_to_virt(struct sep_device *sep, + dma_addr_t bus_address) +{ + dev_dbg(&sep->pdev->dev, "[PID%d] shared bus to virt b=%lx v=%lx\n", + current->pid, + (unsigned long)bus_address, (unsigned long)(sep->shared_addr + + (size_t)(bus_address - sep->shared_bus))); + + return sep->shared_addr + (size_t)(bus_address - sep->shared_bus); +} + +/** + * sep_debug_print_lli_tables - dump LLI table + * @sep: pointer to struct sep_device + * @lli_table_ptr: pointer to sep_lli_entry + * @num_table_entries: number of entries + * @table_data_size: total data size + * + * Walk the the list of the print created tables and print all the data + */ +static void sep_debug_print_lli_tables(struct sep_device *sep, + struct sep_lli_entry *lli_table_ptr, + unsigned long num_table_entries, + unsigned long table_data_size) +{ +#ifdef DEBUG + unsigned long table_count = 1; + unsigned long entries_count = 0; + + dev_dbg(&sep->pdev->dev, "[PID%d] sep_debug_print_lli_tables start\n", + current->pid); + if (num_table_entries == 0) { + dev_dbg(&sep->pdev->dev, "[PID%d] no table to print\n", + current->pid); + return; + } + + while ((unsigned long) lli_table_ptr->bus_address != 0xffffffff) { + dev_dbg(&sep->pdev->dev, + "[PID%d] lli table %08lx, " + "table_data_size is (hex) %lx\n", + current->pid, table_count, table_data_size); + dev_dbg(&sep->pdev->dev, + "[PID%d] num_table_entries is (hex) %lx\n", + current->pid, num_table_entries); + + /* Print entries of the table (without info entry) */ + for (entries_count = 0; entries_count < num_table_entries; + entries_count++, lli_table_ptr++) { + + dev_dbg(&sep->pdev->dev, + "[PID%d] lli_table_ptr address is %08lx\n", + current->pid, + (unsigned long) lli_table_ptr); + + dev_dbg(&sep->pdev->dev, + "[PID%d] phys address is %08lx " + "block size is (hex) %x\n", current->pid, + (unsigned long)lli_table_ptr->bus_address, + lli_table_ptr->block_size); + } + + /* Point to the info entry */ + lli_table_ptr--; + + dev_dbg(&sep->pdev->dev, + "[PID%d] phys lli_table_ptr->block_size " + "is (hex) %x\n", + current->pid, + lli_table_ptr->block_size); + + dev_dbg(&sep->pdev->dev, + "[PID%d] phys lli_table_ptr->physical_address " + "is %08lx\n", + current->pid, + (unsigned long)lli_table_ptr->bus_address); + + + table_data_size = lli_table_ptr->block_size & 0xffffff; + num_table_entries = (lli_table_ptr->block_size >> 24) & 0xff; + + dev_dbg(&sep->pdev->dev, + "[PID%d] phys table_data_size is " + "(hex) %lx num_table_entries is" + " %lx bus_address is%lx\n", + current->pid, + table_data_size, + num_table_entries, + (unsigned long)lli_table_ptr->bus_address); + + if ((unsigned long)lli_table_ptr->bus_address != 0xffffffff) + lli_table_ptr = (struct sep_lli_entry *) + sep_shared_bus_to_virt(sep, + (unsigned long)lli_table_ptr->bus_address); + + table_count++; + } + dev_dbg(&sep->pdev->dev, "[PID%d] sep_debug_print_lli_tables end\n", + current->pid); +#endif +} + + +/** + * sep_prepare_empty_lli_table - create a blank LLI table + * @sep: pointer to struct sep_device + * @lli_table_addr_ptr: pointer to lli table + * @num_entries_ptr: pointer to number of entries + * @table_data_size_ptr: point to table data size + * @dmatables_region: Optional buffer for DMA tables + * @dma_ctx: DMA context + * + * This function creates empty lli tables when there is no data + */ +static void sep_prepare_empty_lli_table(struct sep_device *sep, + dma_addr_t *lli_table_addr_ptr, + u32 *num_entries_ptr, + u32 *table_data_size_ptr, + void **dmatables_region, + struct sep_dma_context *dma_ctx) +{ + struct sep_lli_entry *lli_table_ptr; + + /* Find the area for new table */ + lli_table_ptr = + (struct sep_lli_entry *)(sep->shared_addr + + SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + + dma_ctx->num_lli_tables_created * sizeof(struct sep_lli_entry) * + SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP); + + if (dmatables_region && *dmatables_region) + lli_table_ptr = *dmatables_region; + + lli_table_ptr->bus_address = 0; + lli_table_ptr->block_size = 0; + + lli_table_ptr++; + lli_table_ptr->bus_address = 0xFFFFFFFF; + lli_table_ptr->block_size = 0; + + /* Set the output parameter value */ + *lli_table_addr_ptr = sep->shared_bus + + SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + + dma_ctx->num_lli_tables_created * + sizeof(struct sep_lli_entry) * + SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP; + + /* Set the num of entries and table data size for empty table */ + *num_entries_ptr = 2; + *table_data_size_ptr = 0; + + /* Update the number of created tables */ + dma_ctx->num_lli_tables_created++; +} + +/** + * sep_prepare_input_dma_table - prepare input DMA mappings + * @sep: pointer to struct sep_device + * @data_size: + * @block_size: + * @lli_table_ptr: + * @num_entries_ptr: + * @table_data_size_ptr: + * @is_kva: set for kernel data (kernel cryptio call) + * + * This function prepares only input DMA table for synhronic symmetric + * operations (HASH) + * Note that all bus addresses that are passed to the SEP + * are in 32 bit format; the SEP is a 32 bit device + */ +static int sep_prepare_input_dma_table(struct sep_device *sep, + unsigned long app_virt_addr, + u32 data_size, + u32 block_size, + dma_addr_t *lli_table_ptr, + u32 *num_entries_ptr, + u32 *table_data_size_ptr, + bool is_kva, + void **dmatables_region, + struct sep_dma_context *dma_ctx +) +{ + int error = 0; + /* Pointer to the info entry of the table - the last entry */ + struct sep_lli_entry *info_entry_ptr; + /* Array of pointers to page */ + struct sep_lli_entry *lli_array_ptr; + /* Points to the first entry to be processed in the lli_in_array */ + u32 current_entry = 0; + /* Num entries in the virtual buffer */ + u32 sep_lli_entries = 0; + /* Lli table pointer */ + struct sep_lli_entry *in_lli_table_ptr; + /* The total data in one table */ + u32 table_data_size = 0; + /* Flag for last table */ + u32 last_table_flag = 0; + /* Number of entries in lli table */ + u32 num_entries_in_table = 0; + /* Next table address */ + void *lli_table_alloc_addr = NULL; + void *dma_lli_table_alloc_addr = NULL; + void *dma_in_lli_table_ptr = NULL; + + dev_dbg(&sep->pdev->dev, "[PID%d] prepare intput dma " + "tbl data size: (hex) %x\n", + current->pid, data_size); + + dev_dbg(&sep->pdev->dev, "[PID%d] block_size is (hex) %x\n", + current->pid, block_size); + + /* Initialize the pages pointers */ + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_page_array = NULL; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_num_pages = 0; + + /* Set the kernel address for first table to be allocated */ + lli_table_alloc_addr = (void *)(sep->shared_addr + + SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + + dma_ctx->num_lli_tables_created * sizeof(struct sep_lli_entry) * + SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP); + + if (data_size == 0) { + if (dmatables_region) { + error = sep_allocate_dmatables_region(sep, + dmatables_region, + dma_ctx, + 1); + if (error) + return error; + } + /* Special case - create meptu table - 2 entries, zero data */ + sep_prepare_empty_lli_table(sep, lli_table_ptr, + num_entries_ptr, table_data_size_ptr, + dmatables_region, dma_ctx); + goto update_dcb_counter; + } + + /* Check if the pages are in Kernel Virtual Address layout */ + if (is_kva == true) + error = sep_lock_kernel_pages(sep, app_virt_addr, + data_size, &lli_array_ptr, SEP_DRIVER_IN_FLAG, + dma_ctx); + else + /* + * Lock the pages of the user buffer + * and translate them to pages + */ + error = sep_lock_user_pages(sep, app_virt_addr, + data_size, &lli_array_ptr, SEP_DRIVER_IN_FLAG, + dma_ctx); + + if (error) + goto end_function; + + dev_dbg(&sep->pdev->dev, + "[PID%d] output sep_in_num_pages is (hex) %x\n", + current->pid, + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_num_pages); + + current_entry = 0; + info_entry_ptr = NULL; + + sep_lli_entries = + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_num_pages; + + dma_lli_table_alloc_addr = lli_table_alloc_addr; + if (dmatables_region) { + error = sep_allocate_dmatables_region(sep, + dmatables_region, + dma_ctx, + sep_lli_entries); + if (error) + return error; + lli_table_alloc_addr = *dmatables_region; + } + + /* Loop till all the entries in in array are processed */ + while (current_entry < sep_lli_entries) { + + /* Set the new input and output tables */ + in_lli_table_ptr = + (struct sep_lli_entry *)lli_table_alloc_addr; + dma_in_lli_table_ptr = + (struct sep_lli_entry *)dma_lli_table_alloc_addr; + + lli_table_alloc_addr += sizeof(struct sep_lli_entry) * + SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP; + dma_lli_table_alloc_addr += sizeof(struct sep_lli_entry) * + SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP; + + if (dma_lli_table_alloc_addr > + ((void *)sep->shared_addr + + SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + + SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES)) { + + error = -ENOMEM; + goto end_function_error; + + } + + /* Update the number of created tables */ + dma_ctx->num_lli_tables_created++; + + /* Calculate the maximum size of data for input table */ + table_data_size = sep_calculate_lli_table_max_size(sep, + &lli_array_ptr[current_entry], + (sep_lli_entries - current_entry), + &last_table_flag); + + /* + * If this is not the last table - + * then allign it to the block size + */ + if (!last_table_flag) + table_data_size = + (table_data_size / block_size) * block_size; + + dev_dbg(&sep->pdev->dev, + "[PID%d] output table_data_size is (hex) %x\n", + current->pid, + table_data_size); + + /* Construct input lli table */ + sep_build_lli_table(sep, &lli_array_ptr[current_entry], + in_lli_table_ptr, + ¤t_entry, &num_entries_in_table, table_data_size); + + if (info_entry_ptr == NULL) { + + /* Set the output parameters to physical addresses */ + *lli_table_ptr = sep_shared_area_virt_to_bus(sep, + dma_in_lli_table_ptr); + *num_entries_ptr = num_entries_in_table; + *table_data_size_ptr = table_data_size; + + dev_dbg(&sep->pdev->dev, + "[PID%d] output lli_table_in_ptr is %08lx\n", + current->pid, + (unsigned long)*lli_table_ptr); + + } else { + /* Update the info entry of the previous in table */ + info_entry_ptr->bus_address = + sep_shared_area_virt_to_bus(sep, + dma_in_lli_table_ptr); + info_entry_ptr->block_size = + ((num_entries_in_table) << 24) | + (table_data_size); + } + /* Save the pointer to the info entry of the current tables */ + info_entry_ptr = in_lli_table_ptr + num_entries_in_table - 1; + } + /* Print input tables */ + if (!dmatables_region) { + sep_debug_print_lli_tables(sep, (struct sep_lli_entry *) + sep_shared_area_bus_to_virt(sep, *lli_table_ptr), + *num_entries_ptr, *table_data_size_ptr); + } + + /* The array of the pages */ + kfree(lli_array_ptr); + +update_dcb_counter: + /* Update DCB counter */ + dma_ctx->nr_dcb_creat++; + goto end_function; + +end_function_error: + /* Free all the allocated resources */ + kfree(dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_map_array); + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_map_array = NULL; + kfree(lli_array_ptr); + kfree(dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_page_array); + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_page_array = NULL; + +end_function: + return error; + +} + +/** + * sep_construct_dma_tables_from_lli - prepare AES/DES mappings + * @sep: pointer to struct sep_device + * @lli_in_array: + * @sep_in_lli_entries: + * @lli_out_array: + * @sep_out_lli_entries + * @block_size + * @lli_table_in_ptr + * @lli_table_out_ptr + * @in_num_entries_ptr + * @out_num_entries_ptr + * @table_data_size_ptr + * + * This function creates the input and output DMA tables for + * symmetric operations (AES/DES) according to the block + * size from LLI arays + * Note that all bus addresses that are passed to the SEP + * are in 32 bit format; the SEP is a 32 bit device + */ +static int sep_construct_dma_tables_from_lli( + struct sep_device *sep, + struct sep_lli_entry *lli_in_array, + u32 sep_in_lli_entries, + struct sep_lli_entry *lli_out_array, + u32 sep_out_lli_entries, + u32 block_size, + dma_addr_t *lli_table_in_ptr, + dma_addr_t *lli_table_out_ptr, + u32 *in_num_entries_ptr, + u32 *out_num_entries_ptr, + u32 *table_data_size_ptr, + void **dmatables_region, + struct sep_dma_context *dma_ctx) +{ + /* Points to the area where next lli table can be allocated */ + void *lli_table_alloc_addr = NULL; + /* + * Points to the area in shared region where next lli table + * can be allocated + */ + void *dma_lli_table_alloc_addr = NULL; + /* Input lli table in dmatables_region or shared region */ + struct sep_lli_entry *in_lli_table_ptr = NULL; + /* Input lli table location in the shared region */ + struct sep_lli_entry *dma_in_lli_table_ptr = NULL; + /* Output lli table in dmatables_region or shared region */ + struct sep_lli_entry *out_lli_table_ptr = NULL; + /* Output lli table location in the shared region */ + struct sep_lli_entry *dma_out_lli_table_ptr = NULL; + /* Pointer to the info entry of the table - the last entry */ + struct sep_lli_entry *info_in_entry_ptr = NULL; + /* Pointer to the info entry of the table - the last entry */ + struct sep_lli_entry *info_out_entry_ptr = NULL; + /* Points to the first entry to be processed in the lli_in_array */ + u32 current_in_entry = 0; + /* Points to the first entry to be processed in the lli_out_array */ + u32 current_out_entry = 0; + /* Max size of the input table */ + u32 in_table_data_size = 0; + /* Max size of the output table */ + u32 out_table_data_size = 0; + /* Flag te signifies if this is the last tables build */ + u32 last_table_flag = 0; + /* The data size that should be in table */ + u32 table_data_size = 0; + /* Number of etnries in the input table */ + u32 num_entries_in_table = 0; + /* Number of etnries in the output table */ + u32 num_entries_out_table = 0; + + if (!dma_ctx) { + dev_warn(&sep->pdev->dev, "DMA context uninitialized\n"); + return -EINVAL; + } + + /* Initiate to point after the message area */ + lli_table_alloc_addr = (void *)(sep->shared_addr + + SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + + (dma_ctx->num_lli_tables_created * + (sizeof(struct sep_lli_entry) * + SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP))); + dma_lli_table_alloc_addr = lli_table_alloc_addr; + + if (dmatables_region) { + /* 2 for both in+out table */ + if (sep_allocate_dmatables_region(sep, + dmatables_region, + dma_ctx, + 2*sep_in_lli_entries)) + return -ENOMEM; + lli_table_alloc_addr = *dmatables_region; + } + + /* Loop till all the entries in in array are not processed */ + while (current_in_entry < sep_in_lli_entries) { + /* Set the new input and output tables */ + in_lli_table_ptr = + (struct sep_lli_entry *)lli_table_alloc_addr; + dma_in_lli_table_ptr = + (struct sep_lli_entry *)dma_lli_table_alloc_addr; + + lli_table_alloc_addr += sizeof(struct sep_lli_entry) * + SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP; + dma_lli_table_alloc_addr += sizeof(struct sep_lli_entry) * + SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP; + + /* Set the first output tables */ + out_lli_table_ptr = + (struct sep_lli_entry *)lli_table_alloc_addr; + dma_out_lli_table_ptr = + (struct sep_lli_entry *)dma_lli_table_alloc_addr; + + /* Check if the DMA table area limit was overrun */ + if ((dma_lli_table_alloc_addr + sizeof(struct sep_lli_entry) * + SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP) > + ((void *)sep->shared_addr + + SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + + SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES)) { + + dev_warn(&sep->pdev->dev, "dma table limit overrun\n"); + return -ENOMEM; + } + + /* Update the number of the lli tables created */ + dma_ctx->num_lli_tables_created += 2; + + lli_table_alloc_addr += sizeof(struct sep_lli_entry) * + SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP; + dma_lli_table_alloc_addr += sizeof(struct sep_lli_entry) * + SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP; + + /* Calculate the maximum size of data for input table */ + in_table_data_size = + sep_calculate_lli_table_max_size(sep, + &lli_in_array[current_in_entry], + (sep_in_lli_entries - current_in_entry), + &last_table_flag); + + /* Calculate the maximum size of data for output table */ + out_table_data_size = + sep_calculate_lli_table_max_size(sep, + &lli_out_array[current_out_entry], + (sep_out_lli_entries - current_out_entry), + &last_table_flag); + + if (!last_table_flag) { + in_table_data_size = (in_table_data_size / + block_size) * block_size; + out_table_data_size = (out_table_data_size / + block_size) * block_size; + } + + table_data_size = in_table_data_size; + if (table_data_size > out_table_data_size) + table_data_size = out_table_data_size; + + dev_dbg(&sep->pdev->dev, + "[PID%d] construct tables from lli" + " in_table_data_size is (hex) %x\n", current->pid, + in_table_data_size); + + dev_dbg(&sep->pdev->dev, + "[PID%d] construct tables from lli" + "out_table_data_size is (hex) %x\n", current->pid, + out_table_data_size); + + /* Construct input lli table */ + sep_build_lli_table(sep, &lli_in_array[current_in_entry], + in_lli_table_ptr, + ¤t_in_entry, + &num_entries_in_table, + table_data_size); + + /* Construct output lli table */ + sep_build_lli_table(sep, &lli_out_array[current_out_entry], + out_lli_table_ptr, + ¤t_out_entry, + &num_entries_out_table, + table_data_size); + + /* If info entry is null - this is the first table built */ + if (info_in_entry_ptr == NULL) { + /* Set the output parameters to physical addresses */ + *lli_table_in_ptr = + sep_shared_area_virt_to_bus(sep, dma_in_lli_table_ptr); + + *in_num_entries_ptr = num_entries_in_table; + + *lli_table_out_ptr = + sep_shared_area_virt_to_bus(sep, + dma_out_lli_table_ptr); + + *out_num_entries_ptr = num_entries_out_table; + *table_data_size_ptr = table_data_size; + + dev_dbg(&sep->pdev->dev, + "[PID%d] output lli_table_in_ptr is %08lx\n", + current->pid, + (unsigned long)*lli_table_in_ptr); + dev_dbg(&sep->pdev->dev, + "[PID%d] output lli_table_out_ptr is %08lx\n", + current->pid, + (unsigned long)*lli_table_out_ptr); + } else { + /* Update the info entry of the previous in table */ + info_in_entry_ptr->bus_address = + sep_shared_area_virt_to_bus(sep, + dma_in_lli_table_ptr); + + info_in_entry_ptr->block_size = + ((num_entries_in_table) << 24) | + (table_data_size); + + /* Update the info entry of the previous in table */ + info_out_entry_ptr->bus_address = + sep_shared_area_virt_to_bus(sep, + dma_out_lli_table_ptr); + + info_out_entry_ptr->block_size = + ((num_entries_out_table) << 24) | + (table_data_size); + + dev_dbg(&sep->pdev->dev, + "[PID%d] output lli_table_in_ptr:%08lx %08x\n", + current->pid, + (unsigned long)info_in_entry_ptr->bus_address, + info_in_entry_ptr->block_size); + + dev_dbg(&sep->pdev->dev, + "[PID%d] output lli_table_out_ptr:" + "%08lx %08x\n", + current->pid, + (unsigned long)info_out_entry_ptr->bus_address, + info_out_entry_ptr->block_size); + } + + /* Save the pointer to the info entry of the current tables */ + info_in_entry_ptr = in_lli_table_ptr + + num_entries_in_table - 1; + info_out_entry_ptr = out_lli_table_ptr + + num_entries_out_table - 1; + + dev_dbg(&sep->pdev->dev, + "[PID%d] output num_entries_out_table is %x\n", + current->pid, + (u32)num_entries_out_table); + dev_dbg(&sep->pdev->dev, + "[PID%d] output info_in_entry_ptr is %lx\n", + current->pid, + (unsigned long)info_in_entry_ptr); + dev_dbg(&sep->pdev->dev, + "[PID%d] output info_out_entry_ptr is %lx\n", + current->pid, + (unsigned long)info_out_entry_ptr); + } + + /* Print input tables */ + if (!dmatables_region) { + sep_debug_print_lli_tables( + sep, + (struct sep_lli_entry *) + sep_shared_area_bus_to_virt(sep, *lli_table_in_ptr), + *in_num_entries_ptr, + *table_data_size_ptr); + } + + /* Print output tables */ + if (!dmatables_region) { + sep_debug_print_lli_tables( + sep, + (struct sep_lli_entry *) + sep_shared_area_bus_to_virt(sep, *lli_table_out_ptr), + *out_num_entries_ptr, + *table_data_size_ptr); + } + + return 0; +} + +/** + * sep_prepare_input_output_dma_table - prepare DMA I/O table + * @app_virt_in_addr: + * @app_virt_out_addr: + * @data_size: + * @block_size: + * @lli_table_in_ptr: + * @lli_table_out_ptr: + * @in_num_entries_ptr: + * @out_num_entries_ptr: + * @table_data_size_ptr: + * @is_kva: set for kernel data; used only for kernel crypto module + * + * This function builds input and output DMA tables for synhronic + * symmetric operations (AES, DES, HASH). It also checks that each table + * is of the modular block size + * Note that all bus addresses that are passed to the SEP + * are in 32 bit format; the SEP is a 32 bit device + */ +static int sep_prepare_input_output_dma_table(struct sep_device *sep, + unsigned long app_virt_in_addr, + unsigned long app_virt_out_addr, + u32 data_size, + u32 block_size, + dma_addr_t *lli_table_in_ptr, + dma_addr_t *lli_table_out_ptr, + u32 *in_num_entries_ptr, + u32 *out_num_entries_ptr, + u32 *table_data_size_ptr, + bool is_kva, + void **dmatables_region, + struct sep_dma_context *dma_ctx) + +{ + int error = 0; + /* Array of pointers of page */ + struct sep_lli_entry *lli_in_array; + /* Array of pointers of page */ + struct sep_lli_entry *lli_out_array; + + if (!dma_ctx) { + error = -EINVAL; + goto end_function; + } + + if (data_size == 0) { + /* Prepare empty table for input and output */ + if (dmatables_region) { + error = sep_allocate_dmatables_region( + sep, + dmatables_region, + dma_ctx, + 2); + if (error) + goto end_function; + } + sep_prepare_empty_lli_table(sep, lli_table_in_ptr, + in_num_entries_ptr, table_data_size_ptr, + dmatables_region, dma_ctx); + + sep_prepare_empty_lli_table(sep, lli_table_out_ptr, + out_num_entries_ptr, table_data_size_ptr, + dmatables_region, dma_ctx); + + goto update_dcb_counter; + } + + /* Initialize the pages pointers */ + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_page_array = NULL; + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_page_array = NULL; + + /* Lock the pages of the buffer and translate them to pages */ + if (is_kva == true) { + dev_dbg(&sep->pdev->dev, "[PID%d] Locking kernel input pages\n", + current->pid); + error = sep_lock_kernel_pages(sep, app_virt_in_addr, + data_size, &lli_in_array, SEP_DRIVER_IN_FLAG, + dma_ctx); + if (error) { + dev_warn(&sep->pdev->dev, + "[PID%d] sep_lock_kernel_pages for input " + "virtual buffer failed\n", current->pid); + + goto end_function; + } + + dev_dbg(&sep->pdev->dev, "[PID%d] Locking kernel output pages\n", + current->pid); + error = sep_lock_kernel_pages(sep, app_virt_out_addr, + data_size, &lli_out_array, SEP_DRIVER_OUT_FLAG, + dma_ctx); + + if (error) { + dev_warn(&sep->pdev->dev, + "[PID%d] sep_lock_kernel_pages for output " + "virtual buffer failed\n", current->pid); + + goto end_function_free_lli_in; + } + + } + + else { + dev_dbg(&sep->pdev->dev, "[PID%d] Locking user input pages\n", + current->pid); + error = sep_lock_user_pages(sep, app_virt_in_addr, + data_size, &lli_in_array, SEP_DRIVER_IN_FLAG, + dma_ctx); + if (error) { + dev_warn(&sep->pdev->dev, + "[PID%d] sep_lock_user_pages for input " + "virtual buffer failed\n", current->pid); + + goto end_function; + } + + if (dma_ctx->secure_dma == true) { + /* secure_dma requires use of non accessible memory */ + dev_dbg(&sep->pdev->dev, "[PID%d] in secure_dma\n", + current->pid); + error = sep_lli_table_secure_dma(sep, + app_virt_out_addr, data_size, &lli_out_array, + SEP_DRIVER_OUT_FLAG, dma_ctx); + if (error) { + dev_warn(&sep->pdev->dev, + "[PID%d] secure dma table setup " + " for output virtual buffer failed\n", + current->pid); + + goto end_function_free_lli_in; + } + } else { + /* For normal, non-secure dma */ + dev_dbg(&sep->pdev->dev, "[PID%d] not in secure_dma\n", + current->pid); + + dev_dbg(&sep->pdev->dev, + "[PID%d] Locking user output pages\n", + current->pid); + + error = sep_lock_user_pages(sep, app_virt_out_addr, + data_size, &lli_out_array, SEP_DRIVER_OUT_FLAG, + dma_ctx); + + if (error) { + dev_warn(&sep->pdev->dev, + "[PID%d] sep_lock_user_pages" + " for output virtual buffer failed\n", + current->pid); + + goto end_function_free_lli_in; + } + } + } + + dev_dbg(&sep->pdev->dev, "[PID%d] After lock; prep input output dma " + "table sep_in_num_pages is (hex) %x\n", current->pid, + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_num_pages); + + dev_dbg(&sep->pdev->dev, "[PID%d] sep_out_num_pages is (hex) %x\n", + current->pid, + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_num_pages); + + dev_dbg(&sep->pdev->dev, "[PID%d] SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP" + " is (hex) %x\n", current->pid, + SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP); + + /* Call the fucntion that creates table from the lli arrays */ + dev_dbg(&sep->pdev->dev, "[PID%d] calling create table from lli\n", + current->pid); + error = sep_construct_dma_tables_from_lli( + sep, lli_in_array, + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat]. + in_num_pages, + lli_out_array, + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat]. + out_num_pages, + block_size, lli_table_in_ptr, lli_table_out_ptr, + in_num_entries_ptr, out_num_entries_ptr, + table_data_size_ptr, dmatables_region, dma_ctx); + + if (error) { + dev_warn(&sep->pdev->dev, + "[PID%d] sep_construct_dma_tables_from_lli failed\n", + current->pid); + goto end_function_with_error; + } + + kfree(lli_out_array); + kfree(lli_in_array); + +update_dcb_counter: + /* Update DCB counter */ + dma_ctx->nr_dcb_creat++; + + goto end_function; + +end_function_with_error: + kfree(dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_map_array); + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_map_array = NULL; + kfree(dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_page_array); + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].out_page_array = NULL; + kfree(lli_out_array); + + +end_function_free_lli_in: + kfree(dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_map_array); + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_map_array = NULL; + kfree(dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_page_array); + dma_ctx->dma_res_arr[dma_ctx->nr_dcb_creat].in_page_array = NULL; + kfree(lli_in_array); + +end_function: + + return error; + +} + +/** + * sep_prepare_input_output_dma_table_in_dcb - prepare control blocks + * @app_in_address: unsigned long; for data buffer in (user space) + * @app_out_address: unsigned long; for data buffer out (user space) + * @data_in_size: u32; for size of data + * @block_size: u32; for block size + * @tail_block_size: u32; for size of tail block + * @isapplet: bool; to indicate external app + * @is_kva: bool; kernel buffer; only used for kernel crypto module + * @secure_dma; indicates whether this is secure_dma using IMR + * + * This function prepares the linked DMA tables and puts the + * address for the linked list of tables inta a DCB (data control + * block) the address of which is known by the SEP hardware + * Note that all bus addresses that are passed to the SEP + * are in 32 bit format; the SEP is a 32 bit device + */ +int sep_prepare_input_output_dma_table_in_dcb(struct sep_device *sep, + unsigned long app_in_address, + unsigned long app_out_address, + u32 data_in_size, + u32 block_size, + u32 tail_block_size, + bool isapplet, + bool is_kva, + bool secure_dma, + struct sep_dcblock *dcb_region, + void **dmatables_region, + struct sep_dma_context **dma_ctx, + struct scatterlist *src_sg, + struct scatterlist *dst_sg) +{ + int error = 0; + /* Size of tail */ + u32 tail_size = 0; + /* Address of the created DCB table */ + struct sep_dcblock *dcb_table_ptr = NULL; + /* The physical address of the first input DMA table */ + dma_addr_t in_first_mlli_address = 0; + /* Number of entries in the first input DMA table */ + u32 in_first_num_entries = 0; + /* The physical address of the first output DMA table */ + dma_addr_t out_first_mlli_address = 0; + /* Number of entries in the first output DMA table */ + u32 out_first_num_entries = 0; + /* Data in the first input/output table */ + u32 first_data_size = 0; + + dev_dbg(&sep->pdev->dev, "[PID%d] app_in_address %lx\n", + current->pid, app_in_address); + + dev_dbg(&sep->pdev->dev, "[PID%d] app_out_address %lx\n", + current->pid, app_out_address); + + dev_dbg(&sep->pdev->dev, "[PID%d] data_in_size %x\n", + current->pid, data_in_size); + + dev_dbg(&sep->pdev->dev, "[PID%d] block_size %x\n", + current->pid, block_size); + + dev_dbg(&sep->pdev->dev, "[PID%d] tail_block_size %x\n", + current->pid, tail_block_size); + + dev_dbg(&sep->pdev->dev, "[PID%d] isapplet %x\n", + current->pid, isapplet); + + dev_dbg(&sep->pdev->dev, "[PID%d] is_kva %x\n", + current->pid, is_kva); + + dev_dbg(&sep->pdev->dev, "[PID%d] src_sg %p\n", + current->pid, src_sg); + + dev_dbg(&sep->pdev->dev, "[PID%d] dst_sg %p\n", + current->pid, dst_sg); + + if (!dma_ctx) { + dev_warn(&sep->pdev->dev, "[PID%d] no DMA context pointer\n", + current->pid); + error = -EINVAL; + goto end_function; + } + + if (*dma_ctx) { + /* In case there are multiple DCBs for this transaction */ + dev_dbg(&sep->pdev->dev, "[PID%d] DMA context already set\n", + current->pid); + } else { + *dma_ctx = kzalloc(sizeof(**dma_ctx), GFP_KERNEL); + if (!(*dma_ctx)) { + dev_dbg(&sep->pdev->dev, + "[PID%d] Not enough memory for DMA context\n", + current->pid); + error = -ENOMEM; + goto end_function; + } + dev_dbg(&sep->pdev->dev, + "[PID%d] Created DMA context addr at 0x%p\n", + current->pid, *dma_ctx); + } + + (*dma_ctx)->secure_dma = secure_dma; + + /* these are for kernel crypto only */ + (*dma_ctx)->src_sg = src_sg; + (*dma_ctx)->dst_sg = dst_sg; + + if ((*dma_ctx)->nr_dcb_creat == SEP_MAX_NUM_SYNC_DMA_OPS) { + /* No more DCBs to allocate */ + dev_dbg(&sep->pdev->dev, "[PID%d] no more DCBs available\n", + current->pid); + error = -ENOSPC; + goto end_function_error; + } + + /* Allocate new DCB */ + if (dcb_region) { + dcb_table_ptr = dcb_region; + } else { + dcb_table_ptr = (struct sep_dcblock *)(sep->shared_addr + + SEP_DRIVER_SYSTEM_DCB_MEMORY_OFFSET_IN_BYTES + + ((*dma_ctx)->nr_dcb_creat * + sizeof(struct sep_dcblock))); + } + + /* Set the default values in the DCB */ + dcb_table_ptr->input_mlli_address = 0; + dcb_table_ptr->input_mlli_num_entries = 0; + dcb_table_ptr->input_mlli_data_size = 0; + dcb_table_ptr->output_mlli_address = 0; + dcb_table_ptr->output_mlli_num_entries = 0; + dcb_table_ptr->output_mlli_data_size = 0; + dcb_table_ptr->tail_data_size = 0; + dcb_table_ptr->out_vr_tail_pt = 0; + + if (isapplet == true) { + + /* Check if there is enough data for DMA operation */ + if (data_in_size < SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE) { + if (is_kva == true) { + error = -ENODEV; + goto end_function_error; + } else { + if (copy_from_user(dcb_table_ptr->tail_data, + (void __user *)app_in_address, + data_in_size)) { + error = -EFAULT; + goto end_function_error; + } + } + + dcb_table_ptr->tail_data_size = data_in_size; + + /* Set the output user-space address for mem2mem op */ + if (app_out_address) + dcb_table_ptr->out_vr_tail_pt = + (aligned_u64)app_out_address; + + /* + * Update both data length parameters in order to avoid + * second data copy and allow building of empty mlli + * tables + */ + tail_size = 0x0; + data_in_size = 0x0; + + } else { + if (!app_out_address) { + tail_size = data_in_size % block_size; + if (!tail_size) { + if (tail_block_size == block_size) + tail_size = block_size; + } + } else { + tail_size = 0; + } + } + if (tail_size) { + if (tail_size > sizeof(dcb_table_ptr->tail_data)) + return -EINVAL; + if (is_kva == true) { + error = -ENODEV; + goto end_function_error; + } else { + /* We have tail data - copy it to DCB */ + if (copy_from_user(dcb_table_ptr->tail_data, + (void __user *)(app_in_address + + data_in_size - tail_size), tail_size)) { + error = -EFAULT; + goto end_function_error; + } + } + if (app_out_address) + /* + * Calculate the output address + * according to tail data size + */ + dcb_table_ptr->out_vr_tail_pt = + (aligned_u64)app_out_address + + data_in_size - tail_size; + + /* Save the real tail data size */ + dcb_table_ptr->tail_data_size = tail_size; + /* + * Update the data size without the tail + * data size AKA data for the dma + */ + data_in_size = (data_in_size - tail_size); + } + } + /* Check if we need to build only input table or input/output */ + if (app_out_address) { + /* Prepare input/output tables */ + error = sep_prepare_input_output_dma_table(sep, + app_in_address, + app_out_address, + data_in_size, + block_size, + &in_first_mlli_address, + &out_first_mlli_address, + &in_first_num_entries, + &out_first_num_entries, + &first_data_size, + is_kva, + dmatables_region, + *dma_ctx); + } else { + /* Prepare input tables */ + error = sep_prepare_input_dma_table(sep, + app_in_address, + data_in_size, + block_size, + &in_first_mlli_address, + &in_first_num_entries, + &first_data_size, + is_kva, + dmatables_region, + *dma_ctx); + } + + if (error) { + dev_warn(&sep->pdev->dev, + "prepare DMA table call failed " + "from prepare DCB call\n"); + goto end_function_error; + } + + /* Set the DCB values */ + dcb_table_ptr->input_mlli_address = in_first_mlli_address; + dcb_table_ptr->input_mlli_num_entries = in_first_num_entries; + dcb_table_ptr->input_mlli_data_size = first_data_size; + dcb_table_ptr->output_mlli_address = out_first_mlli_address; + dcb_table_ptr->output_mlli_num_entries = out_first_num_entries; + dcb_table_ptr->output_mlli_data_size = first_data_size; + + goto end_function; + +end_function_error: + kfree(*dma_ctx); + *dma_ctx = NULL; + +end_function: + return error; + +} + + +/** + * sep_free_dma_tables_and_dcb - free DMA tables and DCBs + * @sep: pointer to struct sep_device + * @isapplet: indicates external application (used for kernel access) + * @is_kva: indicates kernel addresses (only used for kernel crypto) + * + * This function frees the DMA tables and DCB + */ +static int sep_free_dma_tables_and_dcb(struct sep_device *sep, bool isapplet, + bool is_kva, struct sep_dma_context **dma_ctx) +{ + struct sep_dcblock *dcb_table_ptr; + unsigned long pt_hold; + void *tail_pt; + + int i = 0; + int error = 0; + int error_temp = 0; + + dev_dbg(&sep->pdev->dev, "[PID%d] sep_free_dma_tables_and_dcb\n", + current->pid); + + if (((*dma_ctx)->secure_dma == false) && (isapplet == true)) { + dev_dbg(&sep->pdev->dev, "[PID%d] handling applet\n", + current->pid); + + /* Tail stuff is only for non secure_dma */ + /* Set pointer to first DCB table */ + dcb_table_ptr = (struct sep_dcblock *) + (sep->shared_addr + + SEP_DRIVER_SYSTEM_DCB_MEMORY_OFFSET_IN_BYTES); + + /** + * Go over each DCB and see if + * tail pointer must be updated + */ + for (i = 0; dma_ctx && *dma_ctx && + i < (*dma_ctx)->nr_dcb_creat; i++, dcb_table_ptr++) { + if (dcb_table_ptr->out_vr_tail_pt) { + pt_hold = (unsigned long)dcb_table_ptr-> + out_vr_tail_pt; + tail_pt = (void *)pt_hold; + if (is_kva == true) { + error = -ENODEV; + break; + } else { + error_temp = copy_to_user( + (void __user *)tail_pt, + dcb_table_ptr->tail_data, + dcb_table_ptr->tail_data_size); + } + if (error_temp) { + /* Release the DMA resource */ + error = -EFAULT; + break; + } + } + } + } + + /* Free the output pages, if any */ + sep_free_dma_table_data_handler(sep, dma_ctx); + + dev_dbg(&sep->pdev->dev, "[PID%d] sep_free_dma_tables_and_dcb end\n", + current->pid); + + return error; +} + +/** + * sep_prepare_dcb_handler - prepare a control block + * @sep: pointer to struct sep_device + * @arg: pointer to user parameters + * @secure_dma: indicate whether we are using secure_dma on IMR + * + * This function will retrieve the RAR buffer physical addresses, type + * & size corresponding to the RAR handles provided in the buffers vector. + */ +static int sep_prepare_dcb_handler(struct sep_device *sep, unsigned long arg, + bool secure_dma, + struct sep_dma_context **dma_ctx) +{ + int error; + /* Command arguments */ + static struct build_dcb_struct command_args; + + /* Get the command arguments */ + if (copy_from_user(&command_args, (void __user *)arg, + sizeof(struct build_dcb_struct))) { + error = -EFAULT; + goto end_function; + } + + dev_dbg(&sep->pdev->dev, + "[PID%d] prep dcb handler app_in_address is %08llx\n", + current->pid, command_args.app_in_address); + dev_dbg(&sep->pdev->dev, + "[PID%d] app_out_address is %08llx\n", + current->pid, command_args.app_out_address); + dev_dbg(&sep->pdev->dev, + "[PID%d] data_size is %x\n", + current->pid, command_args.data_in_size); + dev_dbg(&sep->pdev->dev, + "[PID%d] block_size is %x\n", + current->pid, command_args.block_size); + dev_dbg(&sep->pdev->dev, + "[PID%d] tail block_size is %x\n", + current->pid, command_args.tail_block_size); + dev_dbg(&sep->pdev->dev, + "[PID%d] is_applet is %x\n", + current->pid, command_args.is_applet); + + if (!command_args.app_in_address) { + dev_warn(&sep->pdev->dev, + "[PID%d] null app_in_address\n", current->pid); + error = -EINVAL; + goto end_function; + } + + error = sep_prepare_input_output_dma_table_in_dcb(sep, + (unsigned long)command_args.app_in_address, + (unsigned long)command_args.app_out_address, + command_args.data_in_size, command_args.block_size, + command_args.tail_block_size, + command_args.is_applet, false, + secure_dma, NULL, NULL, dma_ctx, NULL, NULL); + +end_function: + return error; + +} + +/** + * sep_free_dcb_handler - free control block resources + * @sep: pointer to struct sep_device + * + * This function frees the DCB resources and updates the needed + * user-space buffers. + */ +static int sep_free_dcb_handler(struct sep_device *sep, + struct sep_dma_context **dma_ctx) +{ + if (!dma_ctx || !(*dma_ctx)) { + dev_dbg(&sep->pdev->dev, + "[PID%d] no dma context defined, nothing to free\n", + current->pid); + return -EINVAL; + } + + dev_dbg(&sep->pdev->dev, "[PID%d] free dcbs num of DCBs %x\n", + current->pid, + (*dma_ctx)->nr_dcb_creat); + + return sep_free_dma_tables_and_dcb(sep, false, false, dma_ctx); +} + +/** + * sep_ioctl - ioctl handler for sep device + * @filp: pointer to struct file + * @cmd: command + * @arg: pointer to argument structure + * + * Implement the ioctl methods availble on the SEP device. + */ +static long sep_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + struct sep_private_data * const private_data = filp->private_data; + struct sep_call_status *call_status = &private_data->call_status; + struct sep_device *sep = private_data->device; + struct sep_dma_context **dma_ctx = &private_data->dma_ctx; + struct sep_queue_info **my_queue_elem = &private_data->my_queue_elem; + int error = 0; + + dev_dbg(&sep->pdev->dev, "[PID%d] ioctl cmd 0x%x\n", + current->pid, cmd); + dev_dbg(&sep->pdev->dev, "[PID%d] dma context addr 0x%p\n", + current->pid, *dma_ctx); + + /* Make sure we own this device */ + error = sep_check_transaction_owner(sep); + if (error) { + dev_dbg(&sep->pdev->dev, "[PID%d] ioctl pid is not owner\n", + current->pid); + goto end_function; + } + + /* Check that sep_mmap has been called before */ + if (0 == test_bit(SEP_LEGACY_MMAP_DONE_OFFSET, + &call_status->status)) { + dev_dbg(&sep->pdev->dev, + "[PID%d] mmap not called\n", current->pid); + error = -EPROTO; + goto end_function; + } + + /* Check that the command is for SEP device */ + if (_IOC_TYPE(cmd) != SEP_IOC_MAGIC_NUMBER) { + error = -ENOTTY; + goto end_function; + } + + switch (cmd) { + case SEP_IOCSENDSEPCOMMAND: + dev_dbg(&sep->pdev->dev, + "[PID%d] SEP_IOCSENDSEPCOMMAND start\n", + current->pid); + if (1 == test_bit(SEP_LEGACY_SENDMSG_DONE_OFFSET, + &call_status->status)) { + dev_warn(&sep->pdev->dev, + "[PID%d] send msg already done\n", + current->pid); + error = -EPROTO; + goto end_function; + } + /* Send command to SEP */ + error = sep_send_command_handler(sep); + if (!error) + set_bit(SEP_LEGACY_SENDMSG_DONE_OFFSET, + &call_status->status); + dev_dbg(&sep->pdev->dev, + "[PID%d] SEP_IOCSENDSEPCOMMAND end\n", + current->pid); + break; + case SEP_IOCENDTRANSACTION: + dev_dbg(&sep->pdev->dev, + "[PID%d] SEP_IOCENDTRANSACTION start\n", + current->pid); + error = sep_end_transaction_handler(sep, dma_ctx, call_status, + my_queue_elem); + dev_dbg(&sep->pdev->dev, + "[PID%d] SEP_IOCENDTRANSACTION end\n", + current->pid); + break; + case SEP_IOCPREPAREDCB: + dev_dbg(&sep->pdev->dev, + "[PID%d] SEP_IOCPREPAREDCB start\n", + current->pid); + case SEP_IOCPREPAREDCB_SECURE_DMA: + dev_dbg(&sep->pdev->dev, + "[PID%d] SEP_IOCPREPAREDCB_SECURE_DMA start\n", + current->pid); + if (1 == test_bit(SEP_LEGACY_SENDMSG_DONE_OFFSET, + &call_status->status)) { + dev_warn(&sep->pdev->dev, + "[PID%d] dcb prep needed before send msg\n", + current->pid); + error = -EPROTO; + goto end_function; + } + + if (!arg) { + dev_warn(&sep->pdev->dev, + "[PID%d] dcb null arg\n", current->pid); + error = EINVAL; + goto end_function; + } + + if (cmd == SEP_IOCPREPAREDCB) { + /* No secure dma */ + dev_dbg(&sep->pdev->dev, + "[PID%d] SEP_IOCPREPAREDCB (no secure_dma)\n", + current->pid); + + error = sep_prepare_dcb_handler(sep, arg, false, + dma_ctx); + } else { + /* Secure dma */ + dev_dbg(&sep->pdev->dev, + "[PID%d] SEP_IOC_POC (with secure_dma)\n", + current->pid); + + error = sep_prepare_dcb_handler(sep, arg, true, + dma_ctx); + } + dev_dbg(&sep->pdev->dev, "[PID%d] dcb's end\n", + current->pid); + break; + case SEP_IOCFREEDCB: + dev_dbg(&sep->pdev->dev, "[PID%d] SEP_IOCFREEDCB start\n", + current->pid); + case SEP_IOCFREEDCB_SECURE_DMA: + dev_dbg(&sep->pdev->dev, + "[PID%d] SEP_IOCFREEDCB_SECURE_DMA start\n", + current->pid); + error = sep_free_dcb_handler(sep, dma_ctx); + dev_dbg(&sep->pdev->dev, "[PID%d] SEP_IOCFREEDCB end\n", + current->pid); + break; + default: + error = -ENOTTY; + dev_dbg(&sep->pdev->dev, "[PID%d] default end\n", + current->pid); + break; + } + +end_function: + dev_dbg(&sep->pdev->dev, "[PID%d] ioctl end\n", current->pid); + + return error; +} + +/** + * sep_inthandler - interrupt handler for sep device + * @irq: interrupt + * @dev_id: device id + */ +static irqreturn_t sep_inthandler(int irq, void *dev_id) +{ + unsigned long lock_irq_flag; + u32 reg_val, reg_val2 = 0; + struct sep_device *sep = dev_id; + irqreturn_t int_error = IRQ_HANDLED; + + /* Are we in power save? */ +#if defined(CONFIG_PM_RUNTIME) && defined(SEP_ENABLE_RUNTIME_PM) + if (sep->pdev->dev.power.runtime_status != RPM_ACTIVE) { + dev_dbg(&sep->pdev->dev, "interrupt during pwr save\n"); + return IRQ_NONE; + } +#endif + + if (test_bit(SEP_WORKING_LOCK_BIT, &sep->in_use_flags) == 0) { + dev_dbg(&sep->pdev->dev, "interrupt while nobody using sep\n"); + return IRQ_NONE; + } + + /* Read the IRR register to check if this is SEP interrupt */ + reg_val = sep_read_reg(sep, HW_HOST_IRR_REG_ADDR); + + dev_dbg(&sep->pdev->dev, "sep int: IRR REG val: %x\n", reg_val); + + if (reg_val & (0x1 << 13)) { + + /* Lock and update the counter of reply messages */ + spin_lock_irqsave(&sep->snd_rply_lck, lock_irq_flag); + sep->reply_ct++; + spin_unlock_irqrestore(&sep->snd_rply_lck, lock_irq_flag); + + dev_dbg(&sep->pdev->dev, "sep int: send_ct %lx reply_ct %lx\n", + sep->send_ct, sep->reply_ct); + + /* Is this a kernel client request */ + if (sep->in_kernel) { + tasklet_schedule(&sep->finish_tasklet); + goto finished_interrupt; + } + + /* Is this printf or daemon request? */ + reg_val2 = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR2_REG_ADDR); + dev_dbg(&sep->pdev->dev, + "SEP Interrupt - GPR2 is %08x\n", reg_val2); + + clear_bit(SEP_WORKING_LOCK_BIT, &sep->in_use_flags); + + if ((reg_val2 >> 30) & 0x1) { + dev_dbg(&sep->pdev->dev, "int: printf request\n"); + } else if (reg_val2 >> 31) { + dev_dbg(&sep->pdev->dev, "int: daemon request\n"); + } else { + dev_dbg(&sep->pdev->dev, "int: SEP reply\n"); + wake_up(&sep->event_interrupt); + } + } else { + dev_dbg(&sep->pdev->dev, "int: not SEP interrupt\n"); + int_error = IRQ_NONE; + } + +finished_interrupt: + + if (int_error == IRQ_HANDLED) + sep_write_reg(sep, HW_HOST_ICR_REG_ADDR, reg_val); + + return int_error; +} + +/** + * sep_reconfig_shared_area - reconfigure shared area + * @sep: pointer to struct sep_device + * + * Reconfig the shared area between HOST and SEP - needed in case + * the DX_CC_Init function was called before OS loading. + */ +static int sep_reconfig_shared_area(struct sep_device *sep) +{ + int ret_val; + + /* use to limit waiting for SEP */ + unsigned long end_time; + + /* Send the new SHARED MESSAGE AREA to the SEP */ + dev_dbg(&sep->pdev->dev, "reconfig shared; sending %08llx to sep\n", + (unsigned long long)sep->shared_bus); + + sep_write_reg(sep, HW_HOST_HOST_SEP_GPR1_REG_ADDR, sep->shared_bus); + + /* Poll for SEP response */ + ret_val = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR1_REG_ADDR); + + end_time = jiffies + (WAIT_TIME * HZ); + + while ((time_before(jiffies, end_time)) && (ret_val != 0xffffffff) && + (ret_val != sep->shared_bus)) + ret_val = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR1_REG_ADDR); + + /* Check the return value (register) */ + if (ret_val != sep->shared_bus) { + dev_warn(&sep->pdev->dev, "could not reconfig shared area\n"); + dev_warn(&sep->pdev->dev, "result was %x\n", ret_val); + ret_val = -ENOMEM; + } else + ret_val = 0; + + dev_dbg(&sep->pdev->dev, "reconfig shared area end\n"); + + return ret_val; +} + +/** + * sep_activate_dcb_dmatables_context - Takes DCB & DMA tables + * contexts into use + * @sep: SEP device + * @dcb_region: DCB region copy + * @dmatables_region: MLLI/DMA tables copy + * @dma_ctx: DMA context for current transaction + */ +ssize_t sep_activate_dcb_dmatables_context(struct sep_device *sep, + struct sep_dcblock **dcb_region, + void **dmatables_region, + struct sep_dma_context *dma_ctx) +{ + void *dmaregion_free_start = NULL; + void *dmaregion_free_end = NULL; + void *dcbregion_free_start = NULL; + void *dcbregion_free_end = NULL; + ssize_t error = 0; + + dev_dbg(&sep->pdev->dev, "[PID%d] activating dcb/dma region\n", + current->pid); + + if (1 > dma_ctx->nr_dcb_creat) { + dev_warn(&sep->pdev->dev, + "[PID%d] invalid number of dcbs to activate 0x%08X\n", + current->pid, dma_ctx->nr_dcb_creat); + error = -EINVAL; + goto end_function; + } + + dmaregion_free_start = sep->shared_addr + + SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES; + dmaregion_free_end = dmaregion_free_start + + SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES - 1; + + if (dmaregion_free_start + + dma_ctx->dmatables_len > dmaregion_free_end) { + error = -ENOMEM; + goto end_function; + } + memcpy(dmaregion_free_start, + *dmatables_region, + dma_ctx->dmatables_len); + /* Free MLLI table copy */ + kfree(*dmatables_region); + *dmatables_region = NULL; + + /* Copy thread's DCB table copy to DCB table region */ + dcbregion_free_start = sep->shared_addr + + SEP_DRIVER_SYSTEM_DCB_MEMORY_OFFSET_IN_BYTES; + dcbregion_free_end = dcbregion_free_start + + (SEP_MAX_NUM_SYNC_DMA_OPS * + sizeof(struct sep_dcblock)) - 1; + + if (dcbregion_free_start + + (dma_ctx->nr_dcb_creat * sizeof(struct sep_dcblock)) + > dcbregion_free_end) { + error = -ENOMEM; + goto end_function; + } + + memcpy(dcbregion_free_start, + *dcb_region, + dma_ctx->nr_dcb_creat * sizeof(struct sep_dcblock)); + + /* Print the tables */ + dev_dbg(&sep->pdev->dev, "activate: input table\n"); + sep_debug_print_lli_tables(sep, + (struct sep_lli_entry *)sep_shared_area_bus_to_virt(sep, + (*dcb_region)->input_mlli_address), + (*dcb_region)->input_mlli_num_entries, + (*dcb_region)->input_mlli_data_size); + + dev_dbg(&sep->pdev->dev, "activate: output table\n"); + sep_debug_print_lli_tables(sep, + (struct sep_lli_entry *)sep_shared_area_bus_to_virt(sep, + (*dcb_region)->output_mlli_address), + (*dcb_region)->output_mlli_num_entries, + (*dcb_region)->output_mlli_data_size); + + dev_dbg(&sep->pdev->dev, + "[PID%d] printing activated tables\n", current->pid); + +end_function: + kfree(*dmatables_region); + *dmatables_region = NULL; + + kfree(*dcb_region); + *dcb_region = NULL; + + return error; +} + +/** + * sep_create_dcb_dmatables_context - Creates DCB & MLLI/DMA table context + * @sep: SEP device + * @dcb_region: DCB region buf to create for current transaction + * @dmatables_region: MLLI/DMA tables buf to create for current transaction + * @dma_ctx: DMA context buf to create for current transaction + * @user_dcb_args: User arguments for DCB/MLLI creation + * @num_dcbs: Number of DCBs to create + * @secure_dma: Indicate use of IMR restricted memory secure dma + */ +static ssize_t sep_create_dcb_dmatables_context(struct sep_device *sep, + struct sep_dcblock **dcb_region, + void **dmatables_region, + struct sep_dma_context **dma_ctx, + const struct build_dcb_struct __user *user_dcb_args, + const u32 num_dcbs, bool secure_dma) +{ + int error = 0; + int i = 0; + struct build_dcb_struct *dcb_args = NULL; + + dev_dbg(&sep->pdev->dev, "[PID%d] creating dcb/dma region\n", + current->pid); + + if (!dcb_region || !dma_ctx || !dmatables_region || !user_dcb_args) { + error = -EINVAL; + goto end_function; + } + + if (SEP_MAX_NUM_SYNC_DMA_OPS < num_dcbs) { + dev_warn(&sep->pdev->dev, + "[PID%d] invalid number of dcbs 0x%08X\n", + current->pid, num_dcbs); + error = -EINVAL; + goto end_function; + } + + dcb_args = kzalloc(num_dcbs * sizeof(struct build_dcb_struct), + GFP_KERNEL); + if (!dcb_args) { + dev_warn(&sep->pdev->dev, "[PID%d] no memory for dcb args\n", + current->pid); + error = -ENOMEM; + goto end_function; + } + + if (copy_from_user(dcb_args, + user_dcb_args, + num_dcbs * sizeof(struct build_dcb_struct))) { + error = -EINVAL; + goto end_function; + } + + /* Allocate thread-specific memory for DCB */ + *dcb_region = kzalloc(num_dcbs * sizeof(struct sep_dcblock), + GFP_KERNEL); + if (!(*dcb_region)) { + error = -ENOMEM; + goto end_function; + } + + /* Prepare DCB and MLLI table into the allocated regions */ + for (i = 0; i < num_dcbs; i++) { + error = sep_prepare_input_output_dma_table_in_dcb(sep, + (unsigned long)dcb_args[i].app_in_address, + (unsigned long)dcb_args[i].app_out_address, + dcb_args[i].data_in_size, + dcb_args[i].block_size, + dcb_args[i].tail_block_size, + dcb_args[i].is_applet, + false, secure_dma, + *dcb_region, dmatables_region, + dma_ctx, + NULL, + NULL); + if (error) { + dev_warn(&sep->pdev->dev, + "[PID%d] dma table creation failed\n", + current->pid); + goto end_function; + } + + if (dcb_args[i].app_in_address != 0) + (*dma_ctx)->input_data_len += dcb_args[i].data_in_size; + } + +end_function: + kfree(dcb_args); + return error; + +} + +/** + * sep_create_dcb_dmatables_context_kernel - Creates DCB & MLLI/DMA table context + * for kernel crypto + * @sep: SEP device + * @dcb_region: DCB region buf to create for current transaction + * @dmatables_region: MLLI/DMA tables buf to create for current transaction + * @dma_ctx: DMA context buf to create for current transaction + * @user_dcb_args: User arguments for DCB/MLLI creation + * @num_dcbs: Number of DCBs to create + * This does that same thing as sep_create_dcb_dmatables_context + * except that it is used only for the kernel crypto operation. It is + * separate because there is no user data involved; the dcb data structure + * is specific for kernel crypto (build_dcb_struct_kernel) + */ +int sep_create_dcb_dmatables_context_kernel(struct sep_device *sep, + struct sep_dcblock **dcb_region, + void **dmatables_region, + struct sep_dma_context **dma_ctx, + const struct build_dcb_struct_kernel *dcb_data, + const u32 num_dcbs) +{ + int error = 0; + int i = 0; + + dev_dbg(&sep->pdev->dev, "[PID%d] creating dcb/dma region\n", + current->pid); + + if (!dcb_region || !dma_ctx || !dmatables_region || !dcb_data) { + error = -EINVAL; + goto end_function; + } + + if (SEP_MAX_NUM_SYNC_DMA_OPS < num_dcbs) { + dev_warn(&sep->pdev->dev, + "[PID%d] invalid number of dcbs 0x%08X\n", + current->pid, num_dcbs); + error = -EINVAL; + goto end_function; + } + + dev_dbg(&sep->pdev->dev, "[PID%d] num_dcbs is %d\n", + current->pid, num_dcbs); + + /* Allocate thread-specific memory for DCB */ + *dcb_region = kzalloc(num_dcbs * sizeof(struct sep_dcblock), + GFP_KERNEL); + if (!(*dcb_region)) { + error = -ENOMEM; + goto end_function; + } + + /* Prepare DCB and MLLI table into the allocated regions */ + for (i = 0; i < num_dcbs; i++) { + error = sep_prepare_input_output_dma_table_in_dcb(sep, + (unsigned long)dcb_data->app_in_address, + (unsigned long)dcb_data->app_out_address, + dcb_data->data_in_size, + dcb_data->block_size, + dcb_data->tail_block_size, + dcb_data->is_applet, + true, + false, + *dcb_region, dmatables_region, + dma_ctx, + dcb_data->src_sg, + dcb_data->dst_sg); + if (error) { + dev_warn(&sep->pdev->dev, + "[PID%d] dma table creation failed\n", + current->pid); + goto end_function; + } + } + +end_function: + return error; + +} + +/** + * sep_activate_msgarea_context - Takes the message area context into use + * @sep: SEP device + * @msg_region: Message area context buf + * @msg_len: Message area context buffer size + */ +static ssize_t sep_activate_msgarea_context(struct sep_device *sep, + void **msg_region, + const size_t msg_len) +{ + dev_dbg(&sep->pdev->dev, "[PID%d] activating msg region\n", + current->pid); + + if (!msg_region || !(*msg_region) || + SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES < msg_len) { + dev_warn(&sep->pdev->dev, + "[PID%d] invalid act msgarea len 0x%08zX\n", + current->pid, msg_len); + return -EINVAL; + } + + memcpy(sep->shared_addr, *msg_region, msg_len); + + return 0; +} + +/** + * sep_create_msgarea_context - Creates message area context + * @sep: SEP device + * @msg_region: Msg area region buf to create for current transaction + * @msg_user: Content for msg area region from user + * @msg_len: Message area size + */ +static ssize_t sep_create_msgarea_context(struct sep_device *sep, + void **msg_region, + const void __user *msg_user, + const size_t msg_len) +{ + int error = 0; + + dev_dbg(&sep->pdev->dev, "[PID%d] creating msg region\n", + current->pid); + + if (!msg_region || + !msg_user || + SEP_DRIVER_MAX_MESSAGE_SIZE_IN_BYTES < msg_len || + SEP_DRIVER_MIN_MESSAGE_SIZE_IN_BYTES > msg_len) { + dev_warn(&sep->pdev->dev, + "[PID%d] invalid creat msgarea len 0x%08zX\n", + current->pid, msg_len); + error = -EINVAL; + goto end_function; + } + + /* Allocate thread-specific memory for message buffer */ + *msg_region = kzalloc(msg_len, GFP_KERNEL); + if (!(*msg_region)) { + dev_warn(&sep->pdev->dev, + "[PID%d] no mem for msgarea context\n", + current->pid); + error = -ENOMEM; + goto end_function; + } + + /* Copy input data to write() to allocated message buffer */ + if (copy_from_user(*msg_region, msg_user, msg_len)) { + error = -EINVAL; + goto end_function; + } + +end_function: + if (error && msg_region) { + kfree(*msg_region); + *msg_region = NULL; + } + + return error; +} + + +/** + * sep_read - Returns results of an operation for fastcall interface + * @filp: File pointer + * @buf_user: User buffer for storing results + * @count_user: User buffer size + * @offset: File offset, not supported + * + * The implementation does not support reading in chunks, all data must be + * consumed during a single read system call. + */ +static ssize_t sep_read(struct file *filp, + char __user *buf_user, size_t count_user, + loff_t *offset) +{ + struct sep_private_data * const private_data = filp->private_data; + struct sep_call_status *call_status = &private_data->call_status; + struct sep_device *sep = private_data->device; + struct sep_dma_context **dma_ctx = &private_data->dma_ctx; + struct sep_queue_info **my_queue_elem = &private_data->my_queue_elem; + ssize_t error = 0, error_tmp = 0; + + /* Am I the process that owns the transaction? */ + error = sep_check_transaction_owner(sep); + if (error) { + dev_dbg(&sep->pdev->dev, "[PID%d] read pid is not owner\n", + current->pid); + goto end_function; + } + + /* Checks that user has called necessarry apis */ + if (0 == test_bit(SEP_FASTCALL_WRITE_DONE_OFFSET, + &call_status->status)) { + dev_warn(&sep->pdev->dev, + "[PID%d] fastcall write not called\n", + current->pid); + error = -EPROTO; + goto end_function_error; + } + + if (!buf_user) { + dev_warn(&sep->pdev->dev, + "[PID%d] null user buffer\n", + current->pid); + error = -EINVAL; + goto end_function_error; + } + + + /* Wait for SEP to finish */ + wait_event(sep->event_interrupt, + test_bit(SEP_WORKING_LOCK_BIT, + &sep->in_use_flags) == 0); + + sep_dump_message(sep); + + dev_dbg(&sep->pdev->dev, "[PID%d] count_user = 0x%08zX\n", + current->pid, count_user); + + /* In case user has allocated bigger buffer */ + if (count_user > SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES) + count_user = SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES; + + if (copy_to_user(buf_user, sep->shared_addr, count_user)) { + error = -EFAULT; + goto end_function_error; + } + + dev_dbg(&sep->pdev->dev, "[PID%d] read succeeded\n", current->pid); + error = count_user; + +end_function_error: + /* Copy possible tail data to user and free DCB and MLLIs */ + error_tmp = sep_free_dcb_handler(sep, dma_ctx); + if (error_tmp) + dev_warn(&sep->pdev->dev, "[PID%d] dcb free failed\n", + current->pid); + + /* End the transaction, wakeup pending ones */ + error_tmp = sep_end_transaction_handler(sep, dma_ctx, call_status, + my_queue_elem); + if (error_tmp) + dev_warn(&sep->pdev->dev, + "[PID%d] ending transaction failed\n", + current->pid); + +end_function: + return error; +} + +/** + * sep_fastcall_args_get - Gets fastcall params from user + * sep: SEP device + * @args: Parameters buffer + * @buf_user: User buffer for operation parameters + * @count_user: User buffer size + */ +static inline ssize_t sep_fastcall_args_get(struct sep_device *sep, + struct sep_fastcall_hdr *args, + const char __user *buf_user, + const size_t count_user) +{ + ssize_t error = 0; + size_t actual_count = 0; + + if (!buf_user) { + dev_warn(&sep->pdev->dev, + "[PID%d] null user buffer\n", + current->pid); + error = -EINVAL; + goto end_function; + } + + if (count_user < sizeof(struct sep_fastcall_hdr)) { + dev_warn(&sep->pdev->dev, + "[PID%d] too small message size 0x%08zX\n", + current->pid, count_user); + error = -EINVAL; + goto end_function; + } + + + if (copy_from_user(args, buf_user, sizeof(struct sep_fastcall_hdr))) { + error = -EFAULT; + goto end_function; + } + + if (SEP_FC_MAGIC != args->magic) { + dev_warn(&sep->pdev->dev, + "[PID%d] invalid fastcall magic 0x%08X\n", + current->pid, args->magic); + error = -EINVAL; + goto end_function; + } + + dev_dbg(&sep->pdev->dev, "[PID%d] fastcall hdr num of DCBs 0x%08X\n", + current->pid, args->num_dcbs); + dev_dbg(&sep->pdev->dev, "[PID%d] fastcall hdr msg len 0x%08X\n", + current->pid, args->msg_len); + + if (SEP_DRIVER_MAX_MESSAGE_SIZE_IN_BYTES < args->msg_len || + SEP_DRIVER_MIN_MESSAGE_SIZE_IN_BYTES > args->msg_len) { + dev_warn(&sep->pdev->dev, + "[PID%d] invalid message length\n", + current->pid); + error = -EINVAL; + goto end_function; + } + + actual_count = sizeof(struct sep_fastcall_hdr) + + args->msg_len + + (args->num_dcbs * sizeof(struct build_dcb_struct)); + + if (actual_count != count_user) { + dev_warn(&sep->pdev->dev, + "[PID%d] inconsistent message " + "sizes 0x%08zX vs 0x%08zX\n", + current->pid, actual_count, count_user); + error = -EMSGSIZE; + goto end_function; + } + +end_function: + return error; +} + +/** + * sep_write - Starts an operation for fastcall interface + * @filp: File pointer + * @buf_user: User buffer for operation parameters + * @count_user: User buffer size + * @offset: File offset, not supported + * + * The implementation does not support writing in chunks, + * all data must be given during a single write system call. + */ +static ssize_t sep_write(struct file *filp, + const char __user *buf_user, size_t count_user, + loff_t *offset) +{ + struct sep_private_data * const private_data = filp->private_data; + struct sep_call_status *call_status = &private_data->call_status; + struct sep_device *sep = private_data->device; + struct sep_dma_context *dma_ctx = NULL; + struct sep_fastcall_hdr call_hdr = {0}; + void *msg_region = NULL; + void *dmatables_region = NULL; + struct sep_dcblock *dcb_region = NULL; + ssize_t error = 0; + struct sep_queue_info *my_queue_elem = NULL; + bool my_secure_dma; /* are we using secure_dma (IMR)? */ + + dev_dbg(&sep->pdev->dev, "[PID%d] sep dev is 0x%p\n", + current->pid, sep); + dev_dbg(&sep->pdev->dev, "[PID%d] private_data is 0x%p\n", + current->pid, private_data); + + error = sep_fastcall_args_get(sep, &call_hdr, buf_user, count_user); + if (error) + goto end_function; + + buf_user += sizeof(struct sep_fastcall_hdr); + + if (call_hdr.secure_dma == 0) + my_secure_dma = false; + else + my_secure_dma = true; + + /* + * Controlling driver memory usage by limiting amount of + * buffers created. Only SEP_DOUBLEBUF_USERS_LIMIT number + * of threads can progress further at a time + */ + dev_dbg(&sep->pdev->dev, "[PID%d] waiting for double buffering " + "region access\n", current->pid); + error = down_interruptible(&sep->sep_doublebuf); + dev_dbg(&sep->pdev->dev, "[PID%d] double buffering region start\n", + current->pid); + if (error) { + /* Signal received */ + goto end_function_error; + } + + + /* + * Prepare contents of the shared area regions for + * the operation into temporary buffers + */ + if (0 < call_hdr.num_dcbs) { + error = sep_create_dcb_dmatables_context(sep, + &dcb_region, + &dmatables_region, + &dma_ctx, + (const struct build_dcb_struct __user *) + buf_user, + call_hdr.num_dcbs, my_secure_dma); + if (error) + goto end_function_error_doublebuf; + + buf_user += call_hdr.num_dcbs * sizeof(struct build_dcb_struct); + } + + error = sep_create_msgarea_context(sep, + &msg_region, + buf_user, + call_hdr.msg_len); + if (error) + goto end_function_error_doublebuf; + + dev_dbg(&sep->pdev->dev, "[PID%d] updating queue status\n", + current->pid); + my_queue_elem = sep_queue_status_add(sep, + ((struct sep_msgarea_hdr *)msg_region)->opcode, + (dma_ctx) ? dma_ctx->input_data_len : 0, + current->pid, + current->comm, sizeof(current->comm)); + + if (!my_queue_elem) { + dev_dbg(&sep->pdev->dev, "[PID%d] updating queue" + "status error\n", current->pid); + error = -ENOMEM; + goto end_function_error_doublebuf; + } + + /* Wait until current process gets the transaction */ + error = sep_wait_transaction(sep); + + if (error) { + /* Interrupted by signal, don't clear transaction */ + dev_dbg(&sep->pdev->dev, "[PID%d] interrupted by signal\n", + current->pid); + sep_queue_status_remove(sep, &my_queue_elem); + goto end_function_error_doublebuf; + } + + dev_dbg(&sep->pdev->dev, "[PID%d] saving queue element\n", + current->pid); + private_data->my_queue_elem = my_queue_elem; + + /* Activate shared area regions for the transaction */ + error = sep_activate_msgarea_context(sep, &msg_region, + call_hdr.msg_len); + if (error) + goto end_function_error_clear_transact; + + sep_dump_message(sep); + + if (0 < call_hdr.num_dcbs) { + error = sep_activate_dcb_dmatables_context(sep, + &dcb_region, + &dmatables_region, + dma_ctx); + if (error) + goto end_function_error_clear_transact; + } + + /* Send command to SEP */ + error = sep_send_command_handler(sep); + if (error) + goto end_function_error_clear_transact; + + /* Store DMA context for the transaction */ + private_data->dma_ctx = dma_ctx; + /* Update call status */ + set_bit(SEP_FASTCALL_WRITE_DONE_OFFSET, &call_status->status); + error = count_user; + + up(&sep->sep_doublebuf); + dev_dbg(&sep->pdev->dev, "[PID%d] double buffering region end\n", + current->pid); + + goto end_function; + +end_function_error_clear_transact: + sep_end_transaction_handler(sep, &dma_ctx, call_status, + &private_data->my_queue_elem); + +end_function_error_doublebuf: + up(&sep->sep_doublebuf); + dev_dbg(&sep->pdev->dev, "[PID%d] double buffering region end\n", + current->pid); + +end_function_error: + if (dma_ctx) + sep_free_dma_table_data_handler(sep, &dma_ctx); + +end_function: + kfree(dcb_region); + kfree(dmatables_region); + kfree(msg_region); + + return error; +} +/** + * sep_seek - Handler for seek system call + * @filp: File pointer + * @offset: File offset + * @origin: Options for offset + * + * Fastcall interface does not support seeking, all reads + * and writes are from/to offset zero + */ +static loff_t sep_seek(struct file *filp, loff_t offset, int origin) +{ + return -ENOSYS; +} + + + +/** + * sep_file_operations - file operation on sep device + * @sep_ioctl: ioctl handler from user space call + * @sep_poll: poll handler + * @sep_open: handles sep device open request + * @sep_release:handles sep device release request + * @sep_mmap: handles memory mapping requests + * @sep_read: handles read request on sep device + * @sep_write: handles write request on sep device + * @sep_seek: handles seek request on sep device + */ +static const struct file_operations sep_file_operations = { + .owner = THIS_MODULE, + .unlocked_ioctl = sep_ioctl, + .poll = sep_poll, + .open = sep_open, + .release = sep_release, + .mmap = sep_mmap, + .read = sep_read, + .write = sep_write, + .llseek = sep_seek, +}; + +/** + * sep_sysfs_read - read sysfs entry per gives arguments + * @filp: file pointer + * @kobj: kobject pointer + * @attr: binary file attributes + * @buf: read to this buffer + * @pos: offset to read + * @count: amount of data to read + * + * This function is to read sysfs entries for sep driver per given arguments. + */ +static ssize_t +sep_sysfs_read(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, + char *buf, loff_t pos, size_t count) +{ + unsigned long lck_flags; + size_t nleft = count; + struct sep_device *sep = sep_dev; + struct sep_queue_info *queue_elem = NULL; + u32 queue_num = 0; + u32 i = 1; + + spin_lock_irqsave(&sep->sep_queue_lock, lck_flags); + + queue_num = sep->sep_queue_num; + if (queue_num > SEP_DOUBLEBUF_USERS_LIMIT) + queue_num = SEP_DOUBLEBUF_USERS_LIMIT; + + + if (count < sizeof(queue_num) + + (queue_num * sizeof(struct sep_queue_data))) { + spin_unlock_irqrestore(&sep->sep_queue_lock, lck_flags); + return -EINVAL; + } + + memcpy(buf, &queue_num, sizeof(queue_num)); + buf += sizeof(queue_num); + nleft -= sizeof(queue_num); + + list_for_each_entry(queue_elem, &sep->sep_queue_status, list) { + if (i++ > queue_num) + break; + + memcpy(buf, &queue_elem->data, sizeof(queue_elem->data)); + nleft -= sizeof(queue_elem->data); + buf += sizeof(queue_elem->data); + } + spin_unlock_irqrestore(&sep->sep_queue_lock, lck_flags); + + return count - nleft; +} + +/** + * bin_attributes - defines attributes for queue_status + * @attr: attributes (name & permissions) + * @read: function pointer to read this file + * @size: maxinum size of binary attribute + */ +static const struct bin_attribute queue_status = { + .attr = {.name = "queue_status", .mode = 0444}, + .read = sep_sysfs_read, + .size = sizeof(u32) + + (SEP_DOUBLEBUF_USERS_LIMIT * sizeof(struct sep_queue_data)), +}; + +/** + * sep_register_driver_with_fs - register misc devices + * @sep: pointer to struct sep_device + * + * This function registers the driver with the file system + */ +static int sep_register_driver_with_fs(struct sep_device *sep) +{ + int ret_val; + + sep->miscdev_sep.minor = MISC_DYNAMIC_MINOR; + sep->miscdev_sep.name = SEP_DEV_NAME; + sep->miscdev_sep.fops = &sep_file_operations; + + ret_val = misc_register(&sep->miscdev_sep); + if (ret_val) { + dev_warn(&sep->pdev->dev, "misc reg fails for SEP %x\n", + ret_val); + return ret_val; + } + + ret_val = device_create_bin_file(sep->miscdev_sep.this_device, + &queue_status); + if (ret_val) { + dev_warn(&sep->pdev->dev, "sysfs attribute1 fails for SEP %x\n", + ret_val); + return ret_val; + } + + return ret_val; +} + + +/** + *sep_probe - probe a matching PCI device + *@pdev: pci_device + *@ent: pci_device_id + * + *Attempt to set up and configure a SEP device that has been + *discovered by the PCI layer. Allocates all required resources. + */ +static int __devinit sep_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + int error = 0; + struct sep_device *sep = NULL; + + if (sep_dev != NULL) { + dev_dbg(&pdev->dev, "only one SEP supported.\n"); + return -EBUSY; + } + + /* Enable the device */ + error = pci_enable_device(pdev); + if (error) { + dev_warn(&pdev->dev, "error enabling pci device\n"); + goto end_function; + } + + /* Allocate the sep_device structure for this device */ + sep_dev = kzalloc(sizeof(struct sep_device), GFP_ATOMIC); + if (sep_dev == NULL) { + dev_warn(&pdev->dev, + "can't kmalloc the sep_device structure\n"); + error = -ENOMEM; + goto end_function_disable_device; + } + + /* + * We're going to use another variable for actually + * working with the device; this way, if we have + * multiple devices in the future, it would be easier + * to make appropriate changes + */ + sep = sep_dev; + + sep->pdev = pci_dev_get(pdev); + + init_waitqueue_head(&sep->event_transactions); + init_waitqueue_head(&sep->event_interrupt); + spin_lock_init(&sep->snd_rply_lck); + spin_lock_init(&sep->sep_queue_lock); + sema_init(&sep->sep_doublebuf, SEP_DOUBLEBUF_USERS_LIMIT); + + INIT_LIST_HEAD(&sep->sep_queue_status); + + dev_dbg(&sep->pdev->dev, "sep probe: PCI obtained, " + "device being prepared\n"); + + /* Set up our register area */ + sep->reg_physical_addr = pci_resource_start(sep->pdev, 0); + if (!sep->reg_physical_addr) { + dev_warn(&sep->pdev->dev, "Error getting register start\n"); + error = -ENODEV; + goto end_function_free_sep_dev; + } + + sep->reg_physical_end = pci_resource_end(sep->pdev, 0); + if (!sep->reg_physical_end) { + dev_warn(&sep->pdev->dev, "Error getting register end\n"); + error = -ENODEV; + goto end_function_free_sep_dev; + } + + sep->reg_addr = ioremap_nocache(sep->reg_physical_addr, + (size_t)(sep->reg_physical_end - sep->reg_physical_addr + 1)); + if (!sep->reg_addr) { + dev_warn(&sep->pdev->dev, "Error getting register virtual\n"); + error = -ENODEV; + goto end_function_free_sep_dev; + } + + dev_dbg(&sep->pdev->dev, + "Register area start %llx end %llx virtual %p\n", + (unsigned long long)sep->reg_physical_addr, + (unsigned long long)sep->reg_physical_end, + sep->reg_addr); + + /* Allocate the shared area */ + sep->shared_size = SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES + + SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES + + SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES + + SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES + + SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES; + + if (sep_map_and_alloc_shared_area(sep)) { + error = -ENOMEM; + /* Allocation failed */ + goto end_function_error; + } + + /* Clear ICR register */ + sep_write_reg(sep, HW_HOST_ICR_REG_ADDR, 0xFFFFFFFF); + + /* Set the IMR register - open only GPR 2 */ + sep_write_reg(sep, HW_HOST_IMR_REG_ADDR, (~(0x1 << 13))); + + /* Read send/receive counters from SEP */ + sep->reply_ct = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR2_REG_ADDR); + sep->reply_ct &= 0x3FFFFFFF; + sep->send_ct = sep->reply_ct; + + /* Get the interrupt line */ + error = request_irq(pdev->irq, sep_inthandler, IRQF_SHARED, + "sep_driver", sep); + + if (error) + goto end_function_deallocate_sep_shared_area; + + /* The new chip requires a shared area reconfigure */ + error = sep_reconfig_shared_area(sep); + if (error) + goto end_function_free_irq; + + sep->in_use = 1; + + /* Finally magic up the device nodes */ + /* Register driver with the fs */ + error = sep_register_driver_with_fs(sep); + + if (error) { + dev_err(&sep->pdev->dev, "error registering dev file\n"); + goto end_function_free_irq; + } + + sep->in_use = 0; /* through touching the device */ +#ifdef SEP_ENABLE_RUNTIME_PM + pm_runtime_put_noidle(&sep->pdev->dev); + pm_runtime_allow(&sep->pdev->dev); + pm_runtime_set_autosuspend_delay(&sep->pdev->dev, + SUSPEND_DELAY); + pm_runtime_use_autosuspend(&sep->pdev->dev); + pm_runtime_mark_last_busy(&sep->pdev->dev); + sep->power_save_setup = 1; +#endif + /* register kernel crypto driver */ +#if defined(CONFIG_CRYPTO) || defined(CONFIG_CRYPTO_MODULE) + error = sep_crypto_setup(); + if (error) { + dev_err(&sep->pdev->dev, "crypto setup failed\n"); + goto end_function_free_irq; + } +#endif + goto end_function; + +end_function_free_irq: + free_irq(pdev->irq, sep); + +end_function_deallocate_sep_shared_area: + /* De-allocate shared area */ + sep_unmap_and_free_shared_area(sep); + +end_function_error: + iounmap(sep->reg_addr); + +end_function_free_sep_dev: + pci_dev_put(sep_dev->pdev); + kfree(sep_dev); + sep_dev = NULL; + +end_function_disable_device: + pci_disable_device(pdev); + +end_function: + return error; +} + +/** + * sep_remove - handles removing device from pci subsystem + * @pdev: pointer to pci device + * + * This function will handle removing our sep device from pci subsystem on exit + * or unloading this module. It should free up all used resources, and unmap if + * any memory regions mapped. + */ +static void sep_remove(struct pci_dev *pdev) +{ + struct sep_device *sep = sep_dev; + + /* Unregister from fs */ + misc_deregister(&sep->miscdev_sep); + + /* Unregister from kernel crypto */ +#if defined(CONFIG_CRYPTO) || defined(CONFIG_CRYPTO_MODULE) + sep_crypto_takedown(); +#endif + /* Free the irq */ + free_irq(sep->pdev->irq, sep); + + /* Free the shared area */ + sep_unmap_and_free_shared_area(sep_dev); + iounmap(sep_dev->reg_addr); + +#ifdef SEP_ENABLE_RUNTIME_PM + if (sep->in_use) { + sep->in_use = 0; + pm_runtime_forbid(&sep->pdev->dev); + pm_runtime_get_noresume(&sep->pdev->dev); + } +#endif + pci_dev_put(sep_dev->pdev); + kfree(sep_dev); + sep_dev = NULL; +} + +/* Initialize struct pci_device_id for our driver */ +static DEFINE_PCI_DEVICE_TABLE(sep_pci_id_tbl) = { + {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0826)}, + {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x08e9)}, + {0} +}; + +/* Export our pci_device_id structure to user space */ +MODULE_DEVICE_TABLE(pci, sep_pci_id_tbl); + +#ifdef SEP_ENABLE_RUNTIME_PM + +/** + * sep_pm_resume - rsume routine while waking up from S3 state + * @dev: pointer to sep device + * + * This function is to be used to wake up sep driver while system awakes from S3 + * state i.e. suspend to ram. The RAM in intact. + * Notes - revisit with more understanding of pm, ICR/IMR & counters. + */ +static int sep_pci_resume(struct device *dev) +{ + struct sep_device *sep = sep_dev; + + dev_dbg(&sep->pdev->dev, "pci resume called\n"); + + if (sep->power_state == SEP_DRIVER_POWERON) + return 0; + + /* Clear ICR register */ + sep_write_reg(sep, HW_HOST_ICR_REG_ADDR, 0xFFFFFFFF); + + /* Set the IMR register - open only GPR 2 */ + sep_write_reg(sep, HW_HOST_IMR_REG_ADDR, (~(0x1 << 13))); + + /* Read send/receive counters from SEP */ + sep->reply_ct = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR2_REG_ADDR); + sep->reply_ct &= 0x3FFFFFFF; + sep->send_ct = sep->reply_ct; + + sep->power_state = SEP_DRIVER_POWERON; + + return 0; +} + +/** + * sep_pm_suspend - suspend routine while going to S3 state + * @dev: pointer to sep device + * + * This function is to be used to suspend sep driver while system goes to S3 + * state i.e. suspend to ram. The RAM in intact and ON during this suspend. + * Notes - revisit with more understanding of pm, ICR/IMR + */ +static int sep_pci_suspend(struct device *dev) +{ + struct sep_device *sep = sep_dev; + + dev_dbg(&sep->pdev->dev, "pci suspend called\n"); + if (sep->in_use == 1) + return -EAGAIN; + + sep->power_state = SEP_DRIVER_POWEROFF; + + /* Clear ICR register */ + sep_write_reg(sep, HW_HOST_ICR_REG_ADDR, 0xFFFFFFFF); + + /* Set the IMR to block all */ + sep_write_reg(sep, HW_HOST_IMR_REG_ADDR, 0xFFFFFFFF); + + return 0; +} + +/** + * sep_pm_runtime_resume - runtime resume routine + * @dev: pointer to sep device + * + * Notes - revisit with more understanding of pm, ICR/IMR & counters + */ +static int sep_pm_runtime_resume(struct device *dev) +{ + + u32 retval2; + u32 delay_count; + struct sep_device *sep = sep_dev; + + dev_dbg(&sep->pdev->dev, "pm runtime resume called\n"); + + /** + * Wait until the SCU boot is ready + * This is done by iterating SCU_DELAY_ITERATION (10 + * microseconds each) up to SCU_DELAY_MAX (50) times. + * This bit can be set in a random time that is less + * than 500 microseconds after each power resume + */ + retval2 = 0; + delay_count = 0; + while ((!retval2) && (delay_count < SCU_DELAY_MAX)) { + retval2 = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR3_REG_ADDR); + retval2 &= 0x00000008; + if (!retval2) { + udelay(SCU_DELAY_ITERATION); + delay_count += 1; + } + } + + if (!retval2) { + dev_warn(&sep->pdev->dev, "scu boot bit not set at resume\n"); + return -EINVAL; + } + + /* Clear ICR register */ + sep_write_reg(sep, HW_HOST_ICR_REG_ADDR, 0xFFFFFFFF); + + /* Set the IMR register - open only GPR 2 */ + sep_write_reg(sep, HW_HOST_IMR_REG_ADDR, (~(0x1 << 13))); + + /* Read send/receive counters from SEP */ + sep->reply_ct = sep_read_reg(sep, HW_HOST_SEP_HOST_GPR2_REG_ADDR); + sep->reply_ct &= 0x3FFFFFFF; + sep->send_ct = sep->reply_ct; + + return 0; +} + +/** + * sep_pm_runtime_suspend - runtime suspend routine + * @dev: pointer to sep device + * + * Notes - revisit with more understanding of pm + */ +static int sep_pm_runtime_suspend(struct device *dev) +{ + struct sep_device *sep = sep_dev; + + dev_dbg(&sep->pdev->dev, "pm runtime suspend called\n"); + + /* Clear ICR register */ + sep_write_reg(sep, HW_HOST_ICR_REG_ADDR, 0xFFFFFFFF); + return 0; +} + +/** + * sep_pm - power management for sep driver + * @sep_pm_runtime_resume: resume- no communication with cpu & main memory + * @sep_pm_runtime_suspend: suspend- no communication with cpu & main memory + * @sep_pci_suspend: suspend - main memory is still ON + * @sep_pci_resume: resume - main meory is still ON + */ +static const struct dev_pm_ops sep_pm = { + .runtime_resume = sep_pm_runtime_resume, + .runtime_suspend = sep_pm_runtime_suspend, + .resume = sep_pci_resume, + .suspend = sep_pci_suspend, +}; +#endif /* SEP_ENABLE_RUNTIME_PM */ + +/** + * sep_pci_driver - registers this device with pci subsystem + * @name: name identifier for this driver + * @sep_pci_id_tbl: pointer to struct pci_device_id table + * @sep_probe: pointer to probe function in PCI driver + * @sep_remove: pointer to remove function in PCI driver + */ +static struct pci_driver sep_pci_driver = { +#ifdef SEP_ENABLE_RUNTIME_PM + .driver = { + .pm = &sep_pm, + }, +#endif + .name = "sep_sec_driver", + .id_table = sep_pci_id_tbl, + .probe = sep_probe, + .remove = sep_remove +}; + +/** + * sep_init - init function + * + * Module load time. Register the PCI device driver. + */ + +static int __init sep_init(void) +{ + return pci_register_driver(&sep_pci_driver); +} + + +/** + * sep_exit - called to unload driver + * + * Unregister the driver The device will perform all the cleanup required. + */ +static void __exit sep_exit(void) +{ + pci_unregister_driver(&sep_pci_driver); +} + + +module_init(sep_init); +module_exit(sep_exit); + +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/sep/sep_trace_events.h b/drivers/staging/sep/sep_trace_events.h new file mode 100644 index 00000000000..2b053a93afe --- /dev/null +++ b/drivers/staging/sep/sep_trace_events.h @@ -0,0 +1,188 @@ +/* + * If TRACE_SYSTEM is defined, that will be the directory created + * in the ftrace directory under /sys/kernel/debug/tracing/events/<system> + * + * The define_trace.h below will also look for a file name of + * TRACE_SYSTEM.h where TRACE_SYSTEM is what is defined here. + * In this case, it would look for sample.h + * + * If the header name will be different than the system name + * (as in this case), then you can override the header name that + * define_trace.h will look up by defining TRACE_INCLUDE_FILE + * + * This file is called trace-events-sample.h but we want the system + * to be called "sample". Therefore we must define the name of this + * file: + * + * #define TRACE_INCLUDE_FILE trace-events-sample + * + * As we do an the bottom of this file. + * + * Notice that TRACE_SYSTEM should be defined outside of #if + * protection, just like TRACE_INCLUDE_FILE. + */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM sep + +/* + * Notice that this file is not protected like a normal header. + * We also must allow for rereading of this file. The + * + * || defined(TRACE_HEADER_MULTI_READ) + * + * serves this purpose. + */ +#if !defined(_TRACE_SEP_EVENTS_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_SEP_EVENTS_H + +#ifdef SEP_PERF_DEBUG +#define SEP_TRACE_FUNC_IN() trace_sep_func_start(__func__, 0) +#define SEP_TRACE_FUNC_OUT(branch) trace_sep_func_end(__func__, branch) +#define SEP_TRACE_EVENT(branch) trace_sep_misc_event(__func__, branch) +#else +#define SEP_TRACE_FUNC_IN() +#define SEP_TRACE_FUNC_OUT(branch) +#define SEP_TRACE_EVENT(branch) +#endif + + +/* + * All trace headers should include tracepoint.h, until we finally + * make it into a standard header. + */ +#include <linux/tracepoint.h> + +/* + * The TRACE_EVENT macro is broken up into 5 parts. + * + * name: name of the trace point. This is also how to enable the tracepoint. + * A function called trace_foo_bar() will be created. + * + * proto: the prototype of the function trace_foo_bar() + * Here it is trace_foo_bar(char *foo, int bar). + * + * args: must match the arguments in the prototype. + * Here it is simply "foo, bar". + * + * struct: This defines the way the data will be stored in the ring buffer. + * There are currently two types of elements. __field and __array. + * a __field is broken up into (type, name). Where type can be any + * type but an array. + * For an array. there are three fields. (type, name, size). The + * type of elements in the array, the name of the field and the size + * of the array. + * + * __array( char, foo, 10) is the same as saying char foo[10]. + * + * fast_assign: This is a C like function that is used to store the items + * into the ring buffer. + * + * printk: This is a way to print out the data in pretty print. This is + * useful if the system crashes and you are logging via a serial line, + * the data can be printed to the console using this "printk" method. + * + * Note, that for both the assign and the printk, __entry is the handler + * to the data structure in the ring buffer, and is defined by the + * TP_STRUCT__entry. + */ +TRACE_EVENT(sep_func_start, + + TP_PROTO(const char *name, int branch), + + TP_ARGS(name, branch), + + TP_STRUCT__entry( + __array(char, name, 20) + __field(int, branch) + ), + + TP_fast_assign( + strncpy(__entry->name, name, 20); + __entry->branch = branch; + ), + + TP_printk("func_start %s %d", __entry->name, __entry->branch) +); + +TRACE_EVENT(sep_func_end, + + TP_PROTO(const char *name, int branch), + + TP_ARGS(name, branch), + + TP_STRUCT__entry( + __array(char, name, 20) + __field(int, branch) + ), + + TP_fast_assign( + strncpy(__entry->name, name, 20); + __entry->branch = branch; + ), + + TP_printk("func_end %s %d", __entry->name, __entry->branch) +); + +TRACE_EVENT(sep_misc_event, + + TP_PROTO(const char *name, int branch), + + TP_ARGS(name, branch), + + TP_STRUCT__entry( + __array(char, name, 20) + __field(int, branch) + ), + + TP_fast_assign( + strncpy(__entry->name, name, 20); + __entry->branch = branch; + ), + + TP_printk("misc_event %s %d", __entry->name, __entry->branch) +); + + +#endif + +/***** NOTICE! The #if protection ends here. *****/ + + +/* + * There are several ways I could have done this. If I left out the + * TRACE_INCLUDE_PATH, then it would default to the kernel source + * include/trace/events directory. + * + * I could specify a path from the define_trace.h file back to this + * file. + * + * #define TRACE_INCLUDE_PATH ../../samples/trace_events + * + * But the safest and easiest way to simply make it use the directory + * that the file is in is to add in the Makefile: + * + * CFLAGS_trace-events-sample.o := -I$(src) + * + * This will make sure the current path is part of the include + * structure for our file so that define_trace.h can find it. + * + * I could have made only the top level directory the include: + * + * CFLAGS_trace-events-sample.o := -I$(PWD) + * + * And then let the path to this directory be the TRACE_INCLUDE_PATH: + * + * #define TRACE_INCLUDE_PATH samples/trace_events + * + * But then if something defines "samples" or "trace_events" as a macro + * then we could risk that being converted too, and give us an unexpected + * result. + */ +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH . +/* + * TRACE_INCLUDE_FILE is not needed if the filename and TRACE_SYSTEM are equal + */ +#define TRACE_INCLUDE_FILE sep_trace_events +#include <trace/define_trace.h> diff --git a/drivers/staging/slicoss/README b/drivers/staging/slicoss/README index b83bba19b7f..cb04a87b201 100644 --- a/drivers/staging/slicoss/README +++ b/drivers/staging/slicoss/README @@ -42,7 +42,7 @@ TODO: Please send patches to: - Greg Kroah-Hartman <gregkh@suse.de> + Greg Kroah-Hartman <gregkh@linuxfoundation.org> and Cc: Lior Dotan <liodot@gmail.com> and Christopher Harrer <charrer@alacritech.com> as well as they are also able to test out any changes. diff --git a/drivers/staging/sm7xx/smtcfb.c b/drivers/staging/sm7xx/smtcfb.c index ae0035f327e..83c582ed12e 100644 --- a/drivers/staging/sm7xx/smtcfb.c +++ b/drivers/staging/sm7xx/smtcfb.c @@ -41,7 +41,6 @@ #ifdef CONFIG_PM #include <linux/pm.h> -#include <linux/module.h> #endif #include "smtcfb.h" @@ -443,7 +442,7 @@ static int smtc_setcolreg(unsigned regno, unsigned red, unsigned green, } #ifdef __BIG_ENDIAN -static ssize_t smtcfb_read(struct fb_info *info, char __user * buf, size_t +static ssize_t smtcfb_read(struct fb_info *info, char __user *buf, size_t count, loff_t *ppos) { unsigned long p = *ppos; diff --git a/drivers/staging/sm7xx/smtcfb.h b/drivers/staging/sm7xx/smtcfb.h index c5e6989e65a..ab95af2b9c0 100644 --- a/drivers/staging/sm7xx/smtcfb.h +++ b/drivers/staging/sm7xx/smtcfb.h @@ -38,7 +38,7 @@ #define dac_reg (0x3c8) #define dac_val (0x3c9) -extern char *smtc_RegBaseAddress; +extern char __iomem *smtc_RegBaseAddress; #define smtc_mmiowb(dat, reg) writeb(dat, smtc_RegBaseAddress + reg) #define smtc_mmioww(dat, reg) writew(dat, smtc_RegBaseAddress + reg) #define smtc_mmiowl(dat, reg) writel(dat, smtc_RegBaseAddress + reg) diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c index c7b03f0ef2d..92b34e29ad0 100644 --- a/drivers/staging/speakup/main.c +++ b/drivers/staging/speakup/main.c @@ -1731,15 +1731,15 @@ static void do_handle_spec(struct vc_data *vc, u_char value, char up_flag) switch (value) { case KVAL(K_CAPS): label = msg_get(MSG_KEYNAME_CAPSLOCK); - on_off = (vc_kbd_led(kbd_table + vc->vc_num, VC_CAPSLOCK)); + on_off = vt_get_leds(fg_console, VC_CAPSLOCK); break; case KVAL(K_NUM): label = msg_get(MSG_KEYNAME_NUMLOCK); - on_off = (vc_kbd_led(kbd_table + vc->vc_num, VC_NUMLOCK)); + on_off = vt_get_leds(fg_console, VC_NUMLOCK); break; case KVAL(K_HOLD): label = msg_get(MSG_KEYNAME_SCROLLLOCK); - on_off = (vc_kbd_led(kbd_table + vc->vc_num, VC_SCROLLOCK)); + on_off = vt_get_leds(fg_console, VC_SCROLLOCK); if (speakup_console[vc->vc_num]) speakup_console[vc->vc_num]->tty_stopped = on_off; break; @@ -2020,7 +2020,7 @@ speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym, if (type >= 0xf0) type -= 0xf0; if (type == KT_PAD - && (vc_kbd_led(kbd_table + fg_console, VC_NUMLOCK))) { + && (vt_get_leds(fg_console, VC_NUMLOCK))) { if (up_flag) { spk_keydown = 0; goto out; diff --git a/drivers/staging/speakup/serialio.c b/drivers/staging/speakup/serialio.c index 7f3d87bf592..a97d3d5b58a 100644 --- a/drivers/staging/speakup/serialio.c +++ b/drivers/staging/speakup/serialio.c @@ -8,21 +8,20 @@ static void start_serial_interrupt(int irq); -static struct serial_state rs_table[] = { +static const struct old_serial_port rs_table[] = { SERIAL_PORT_DFNS }; -static struct serial_state *serstate; +static const struct old_serial_port *serstate; static int timeouts; -struct serial_state *spk_serial_init(int index) +const struct old_serial_port *spk_serial_init(int index) { int baud = 9600, quot = 0; unsigned int cval = 0; int cflag = CREAD | HUPCL | CLOCAL | B9600 | CS8; - struct serial_state *ser = NULL; + const struct old_serial_port *ser = rs_table + index; int err; - ser = rs_table + index; /* Divisor, bytesize and parity */ quot = ser->baud_base / baud; cval = cflag & (CSIZE | CSTOPB); @@ -41,7 +40,7 @@ struct serial_state *spk_serial_init(int index) __release_region(&ioport_resource, ser->port, 8); err = synth_request_region(ser->port, 8); if (err) { - pr_warn("Unable to allocate port at %lx, errno %i", + pr_warn("Unable to allocate port at %x, errno %i", ser->port, err); return NULL; } diff --git a/drivers/staging/speakup/serialio.h b/drivers/staging/speakup/serialio.h index d785b1f6a3b..614271f9b99 100644 --- a/drivers/staging/speakup/serialio.h +++ b/drivers/staging/speakup/serialio.h @@ -4,11 +4,22 @@ #include <linux/serial.h> /* for rs_table, serial constants & serial_uart_config */ #include <linux/serial_reg.h> /* for more serial constants */ -#include <linux/serialP.h> /* for struct serial_state */ #ifndef __sparc__ #include <asm/serial.h> #endif +/* + * this is cut&paste from 8250.h. Get rid of the structure, the definitions + * and this whole broken driver. + */ +struct old_serial_port { + unsigned int uart; /* unused */ + unsigned int baud_base; + unsigned int port; + unsigned int irq; + unsigned int flags; /* unused */ +}; + /* countdown values for serial timeouts in us */ #define SPK_SERIAL_TIMEOUT 100000 /* countdown values transmitter/dsr timeouts in us */ diff --git a/drivers/staging/speakup/spk_priv.h b/drivers/staging/speakup/spk_priv.h index 16ace4af68a..a47c5b78d57 100644 --- a/drivers/staging/speakup/spk_priv.h +++ b/drivers/staging/speakup/spk_priv.h @@ -44,7 +44,7 @@ #define KT_SPKUP 15 -extern struct serial_state *spk_serial_init(int index); +extern const struct old_serial_port *spk_serial_init(int index); extern void stop_serial_interrupt(void); extern int wait_for_xmitr(void); extern unsigned char spk_serial_in(void); diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c index 2222d6919ef..331eae78870 100644 --- a/drivers/staging/speakup/synth.c +++ b/drivers/staging/speakup/synth.c @@ -34,7 +34,7 @@ static int do_synth_init(struct spk_synth *in_synth); int serial_synth_probe(struct spk_synth *synth) { - struct serial_state *ser; + const struct old_serial_port *ser; int failed = 0; if ((synth->ser >= SPK_LO_TTY) && (synth->ser <= SPK_HI_TTY)) { diff --git a/drivers/telephony/Kconfig b/drivers/staging/telephony/Kconfig index b5f78b6ed2b..b5f78b6ed2b 100644 --- a/drivers/telephony/Kconfig +++ b/drivers/staging/telephony/Kconfig diff --git a/drivers/telephony/Makefile b/drivers/staging/telephony/Makefile index 1206615d69e..1206615d69e 100644 --- a/drivers/telephony/Makefile +++ b/drivers/staging/telephony/Makefile diff --git a/drivers/staging/telephony/TODO b/drivers/staging/telephony/TODO new file mode 100644 index 00000000000..d47dec3508d --- /dev/null +++ b/drivers/staging/telephony/TODO @@ -0,0 +1,10 @@ +TODO +. Determine if the boards are still in use + and move this module back to drivers/telephony if necessary +. Coding style cleanups + +Please send patches to Greg Kroah-Hartman <greg@kroah.com> and +cc Joe Perches <joe@perches.com> if the module should be reactivated. + +If no module activity occurs before version 3.6 is released, this +module should be removed. diff --git a/drivers/telephony/ixj-ver.h b/drivers/staging/telephony/ixj-ver.h index 2031ac6c888..2031ac6c888 100644 --- a/drivers/telephony/ixj-ver.h +++ b/drivers/staging/telephony/ixj-ver.h diff --git a/drivers/telephony/ixj.c b/drivers/staging/telephony/ixj.c index d5f923bcdff..d5f923bcdff 100644 --- a/drivers/telephony/ixj.c +++ b/drivers/staging/telephony/ixj.c diff --git a/drivers/telephony/ixj.h b/drivers/staging/telephony/ixj.h index 2c841134f61..2c841134f61 100644 --- a/drivers/telephony/ixj.h +++ b/drivers/staging/telephony/ixj.h diff --git a/drivers/telephony/ixj_pcmcia.c b/drivers/staging/telephony/ixj_pcmcia.c index 05032e2cc95..05032e2cc95 100644 --- a/drivers/telephony/ixj_pcmcia.c +++ b/drivers/staging/telephony/ixj_pcmcia.c diff --git a/drivers/telephony/phonedev.c b/drivers/staging/telephony/phonedev.c index 1915af20117..1915af20117 100644 --- a/drivers/telephony/phonedev.c +++ b/drivers/staging/telephony/phonedev.c diff --git a/drivers/staging/tidspbridge/Kconfig b/drivers/staging/tidspbridge/Kconfig index 21a559ecbbb..0dd479f5638 100644 --- a/drivers/staging/tidspbridge/Kconfig +++ b/drivers/staging/tidspbridge/Kconfig @@ -31,12 +31,6 @@ config TIDSPBRIDGE_MEMPOOL_SIZE Allocate specified size of memory at booting time to avoid allocation failure under heavy memory fragmentation after some use time. -config TIDSPBRIDGE_DEBUG - bool "Debug Support" - depends on TIDSPBRIDGE - help - Say Y to enable Bridge debugging capabilities - config TIDSPBRIDGE_RECOVERY bool "Recovery Support" depends on TIDSPBRIDGE @@ -58,22 +52,6 @@ config TIDSPBRIDGE_CACHE_LINE_CHECK This can lead to heap corruption. Say Y, to enforce the check for 128 byte alignment, buffers failing this check will be rejected. -config TIDSPBRIDGE_WDT3 - bool "Enable watchdog timer" - depends on TIDSPBRIDGE - help - WTD3 is managed by DSP and once it is enabled, DSP side bridge is in - charge of refreshing the timer before overflow, if the DSP hangs MPU - will caught the interrupt and try to recover DSP. - -config TIDSPBRIDGE_WDT_TIMEOUT - int "Watchdog timer timeout (in secs)" - depends on TIDSPBRIDGE && TIDSPBRIDGE_WDT3 - default 5 - help - Watchdog timer timeout value, after that time if the watchdog timer - counter is not reset the wdt overflow interrupt will be triggered - config TIDSPBRIDGE_NTFY_PWRERR bool "Notify power errors" depends on TIDSPBRIDGE diff --git a/drivers/staging/tidspbridge/Makefile b/drivers/staging/tidspbridge/Makefile index fd6a2761cc3..8c8c92a9083 100644 --- a/drivers/staging/tidspbridge/Makefile +++ b/drivers/staging/tidspbridge/Makefile @@ -1,4 +1,4 @@ -obj-$(CONFIG_TIDSPBRIDGE) += bridgedriver.o +obj-$(CONFIG_TIDSPBRIDGE) += tidspbridge.o libgen = gen/gh.o gen/uuidutil.o libcore = core/chnl_sm.o core/msg_sm.o core/io_sm.o core/tiomap3430.o \ @@ -13,7 +13,7 @@ libdload = dynload/cload.o dynload/getsection.o dynload/reloc.o \ dynload/tramp.o libhw = hw/hw_mmu.o -bridgedriver-y := $(libgen) $(libservices) $(libcore) $(libpmgr) $(librmgr) \ +tidspbridge-y := $(libgen) $(libservices) $(libcore) $(libpmgr) $(librmgr) \ $(libdload) $(libhw) #Machine dependent diff --git a/drivers/staging/tidspbridge/core/chnl_sm.c b/drivers/staging/tidspbridge/core/chnl_sm.c index 6d66e7d0fba..e0c7e4c470c 100644 --- a/drivers/staging/tidspbridge/core/chnl_sm.c +++ b/drivers/staging/tidspbridge/core/chnl_sm.c @@ -50,9 +50,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/sync.h> @@ -123,7 +120,6 @@ int bridge_chnl_add_io_req(struct chnl_object *chnl_obj, void *host_buf, CHNL_IS_OUTPUT(pchnl->chnl_mode)) return -EPIPE; /* No other possible states left */ - DBC_ASSERT(0); } dev_obj = dev_get_first(); @@ -190,7 +186,6 @@ func_cont: * Note: for dma chans dw_dsp_addr contains dsp address * of SM buffer. */ - DBC_ASSERT(chnl_mgr_obj->word_size != 0); /* DSP address */ chnl_packet_obj->dsp_tx_addr = dw_dsp_addr / chnl_mgr_obj->word_size; chnl_packet_obj->byte_size = byte_size; @@ -201,7 +196,6 @@ func_cont: CHNL_IOCSTATCOMPLETE); list_add_tail(&chnl_packet_obj->link, &pchnl->io_requests); pchnl->cio_reqs++; - DBC_ASSERT(pchnl->cio_reqs <= pchnl->chnl_packets); /* * If end of stream, update the channel state to prevent * more IOR's. @@ -209,8 +203,6 @@ func_cont: if (is_eos) pchnl->state |= CHNL_STATEEOS; - /* Legacy DSM Processor-Copy */ - DBC_ASSERT(pchnl->chnl_type == CHNL_PCPY); /* Request IO from the DSP */ io_request_chnl(chnl_mgr_obj->iomgr, pchnl, (CHNL_IS_INPUT(pchnl->chnl_mode) ? IO_INPUT : @@ -283,7 +275,6 @@ int bridge_chnl_cancel_io(struct chnl_object *chnl_obj) list_add_tail(&chirp->link, &pchnl->io_completions); pchnl->cio_cs++; pchnl->cio_reqs--; - DBC_ASSERT(pchnl->cio_reqs >= 0); } spin_unlock_bh(&chnl_mgr_obj->chnl_mgr_lock); @@ -311,8 +302,6 @@ int bridge_chnl_close(struct chnl_object *chnl_obj) status = bridge_chnl_cancel_io(chnl_obj); if (status) return status; - /* Assert I/O on this channel is now cancelled: Protects from io_dpc */ - DBC_ASSERT((pchnl->state & CHNL_STATECANCEL)); /* Invalidate channel object: Protects from CHNL_GetIOCompletion() */ /* Free the slot in the channel manager: */ pchnl->chnl_mgr_obj->channels[pchnl->chnl_id] = NULL; @@ -358,13 +347,6 @@ int bridge_chnl_create(struct chnl_mgr **channel_mgr, struct chnl_mgr *chnl_mgr_obj = NULL; u8 max_channels; - /* Check DBC requirements: */ - DBC_REQUIRE(channel_mgr != NULL); - DBC_REQUIRE(mgr_attrts != NULL); - DBC_REQUIRE(mgr_attrts->max_channels > 0); - DBC_REQUIRE(mgr_attrts->max_channels <= CHNL_MAXCHANNELS); - DBC_REQUIRE(mgr_attrts->word_size != 0); - /* Allocate channel manager object */ chnl_mgr_obj = kzalloc(sizeof(struct chnl_mgr), GFP_KERNEL); if (chnl_mgr_obj) { @@ -374,7 +356,6 @@ int bridge_chnl_create(struct chnl_mgr **channel_mgr, * mgr_attrts->max_channels = CHNL_MAXCHANNELS = * DDMA_MAXDDMACHNLS = DDMA_MAXZCPYCHNLS. */ - DBC_ASSERT(mgr_attrts->max_channels == CHNL_MAXCHANNELS); max_channels = CHNL_MAXCHANNELS + CHNL_MAXCHANNELS * CHNL_PCPY; /* Create array of channels */ chnl_mgr_obj->channels = kzalloc(sizeof(struct chnl_object *) @@ -491,7 +472,6 @@ int bridge_chnl_flush_io(struct chnl_object *chnl_obj, u32 timeout) pchnl->state &= ~CHNL_STATECANCEL; } } - DBC_ENSURE(status || list_empty(&pchnl->io_requests)); return status; } @@ -592,7 +572,6 @@ int bridge_chnl_get_ioc(struct chnl_object *chnl_obj, u32 timeout, omap_mbox_disable_irq(dev_ctxt->mbox, IRQ_RX); if (dequeue_ioc) { /* Dequeue IOC and set chan_ioc; */ - DBC_ASSERT(!list_empty(&pchnl->io_completions)); chnl_packet_obj = list_first_entry(&pchnl->io_completions, struct chnl_irp, link); list_del(&chnl_packet_obj->link); @@ -705,8 +684,6 @@ int bridge_chnl_idle(struct chnl_object *chnl_obj, u32 timeout, struct chnl_mgr *chnl_mgr_obj; int status = 0; - DBC_REQUIRE(chnl_obj); - chnl_mode = chnl_obj->chnl_mode; chnl_mgr_obj = chnl_obj->chnl_mgr_obj; @@ -736,10 +713,7 @@ int bridge_chnl_open(struct chnl_object **chnl, struct chnl_mgr *chnl_mgr_obj = hchnl_mgr; struct chnl_object *pchnl = NULL; struct sync_object *sync_event = NULL; - /* Ensure DBC requirements: */ - DBC_REQUIRE(chnl != NULL); - DBC_REQUIRE(pattrs != NULL); - DBC_REQUIRE(hchnl_mgr != NULL); + *chnl = NULL; /* Validate Args: */ @@ -761,7 +735,6 @@ int bridge_chnl_open(struct chnl_object **chnl, return status; } - DBC_ASSERT(ch_id < chnl_mgr_obj->max_channels); /* Create channel object: */ pchnl = kzalloc(sizeof(struct chnl_object), GFP_KERNEL); @@ -850,7 +823,6 @@ int bridge_chnl_register_notify(struct chnl_object *chnl_obj, { int status = 0; - DBC_ASSERT(!(event_mask & ~(DSP_STREAMDONE | DSP_STREAMIOCOMPLETION))); if (event_mask) status = ntfy_register(chnl_obj->ntfy_obj, hnotification, @@ -906,8 +878,6 @@ static void free_chirp_list(struct list_head *chirp_list) { struct chnl_irp *chirp, *tmp; - DBC_REQUIRE(chirp_list != NULL); - list_for_each_entry_safe(chirp, tmp, chirp_list, link) { list_del(&chirp->link); kfree(chirp); @@ -924,8 +894,6 @@ static int search_free_channel(struct chnl_mgr *chnl_mgr_obj, int status = -ENOSR; u32 i; - DBC_REQUIRE(chnl_mgr_obj); - for (i = 0; i < chnl_mgr_obj->max_channels; i++) { if (chnl_mgr_obj->channels[i] == NULL) { status = 0; diff --git a/drivers/staging/tidspbridge/core/dsp-clock.c b/drivers/staging/tidspbridge/core/dsp-clock.c index 7eb56178fb6..c7df34e6b60 100644 --- a/drivers/staging/tidspbridge/core/dsp-clock.c +++ b/drivers/staging/tidspbridge/core/dsp-clock.c @@ -29,9 +29,6 @@ #include <dspbridge/dev.h> #include "_tiomap.h" -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- This */ #include <dspbridge/clk.h> diff --git a/drivers/staging/tidspbridge/core/io_sm.c b/drivers/staging/tidspbridge/core/io_sm.c index 694c0e5e55c..9b50b5bd4ed 100644 --- a/drivers/staging/tidspbridge/core/io_sm.c +++ b/drivers/staging/tidspbridge/core/io_sm.c @@ -33,9 +33,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* Trace & Debug */ -#include <dspbridge/dbc.h> - /* Services Layer */ #include <dspbridge/ntfy.h> #include <dspbridge/sync.h> @@ -114,7 +111,7 @@ struct io_mgr { struct mgr_processorextinfo ext_proc_info; struct cmm_object *cmm_mgr; /* Shared Mem Mngr */ struct work_struct io_workq; /* workqueue */ -#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE) || defined(CONFIG_TIDSPBRIDGE_DEBUG) +#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE) u32 trace_buffer_begin; /* Trace message start address */ u32 trace_buffer_end; /* Trace message end address */ u32 trace_buffer_current; /* Trace message current address */ @@ -246,7 +243,7 @@ int bridge_io_destroy(struct io_mgr *hio_mgr) /* Free IO DPC object */ tasklet_kill(&hio_mgr->dpc_tasklet); -#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE) || defined(CONFIG_TIDSPBRIDGE_DEBUG) +#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE) kfree(hio_mgr->msg); #endif dsp_wdt_exit(); @@ -386,7 +383,7 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr) status = -EFAULT; } if (!status) { -#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE) || defined(CONFIG_TIDSPBRIDGE_DEBUG) +#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE) status = cod_get_sym_value(cod_man, DSP_TRACESEC_END, &shm0_end); #else @@ -731,7 +728,7 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr) hmsg_mgr->max_msgs); memset((void *)hio_mgr->shared_mem, 0, sizeof(struct shm)); -#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE) || defined(CONFIG_TIDSPBRIDGE_DEBUG) +#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE) /* Get the start address of trace buffer */ status = cod_get_sym_value(cod_man, SYS_PUTCBEG, &hio_mgr->trace_buffer_begin); @@ -910,7 +907,7 @@ void io_dpc(unsigned long ref_data) } #endif -#ifdef CONFIG_TIDSPBRIDGE_DEBUG +#ifdef CONFIG_TIDSPBRIDGE_BACKTRACE if (pio_mgr->intr_val & MBX_DBG_SYSPRINTF) { /* Notify DSP Trace message */ print_dsp_debug_trace(pio_mgr); @@ -973,29 +970,16 @@ void io_request_chnl(struct io_mgr *io_manager, struct chnl_object *pchnl, chnl_mgr_obj = io_manager->chnl_mgr; sm = io_manager->shared_mem; if (io_mode == IO_INPUT) { - /* - * Assertion fires if CHNL_AddIOReq() called on a stream - * which was cancelled, or attached to a dead board. - */ - DBC_ASSERT((pchnl->state == CHNL_STATEREADY) || - (pchnl->state == CHNL_STATEEOS)); /* Indicate to the DSP we have a buffer available for input */ set_chnl_busy(sm, pchnl->chnl_id); *mbx_val = MBX_PCPY_CLASS; } else if (io_mode == IO_OUTPUT) { /* - * This assertion fails if CHNL_AddIOReq() was called on a - * stream which was cancelled, or attached to a dead board. - */ - DBC_ASSERT((pchnl->state & ~CHNL_STATEEOS) == - CHNL_STATEREADY); - /* * Record the fact that we have a buffer available for * output. */ chnl_mgr_obj->output_mask |= (1 << pchnl->chnl_id); } else { - DBC_ASSERT(io_mode); /* Shouldn't get here. */ } func_end: return; @@ -1087,7 +1071,6 @@ static void input_chnl(struct io_mgr *pio_mgr, struct chnl_object *pchnl, dw_arg = sm->arg; if (chnl_id >= CHNL_MAXCHANNELS) { /* Shouldn't be here: would indicate corrupted shm. */ - DBC_ASSERT(chnl_id); goto func_end; } pchnl = chnl_mgr_obj->channels[chnl_id]; @@ -1683,7 +1666,7 @@ int bridge_io_get_proc_load(struct io_mgr *hio_mgr, } -#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE) || defined(CONFIG_TIDSPBRIDGE_DEBUG) +#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE) void print_dsp_debug_trace(struct io_mgr *hio_mgr) { u32 ul_new_message_length = 0, ul_gpp_cur_pointer; diff --git a/drivers/staging/tidspbridge/core/msg_sm.c b/drivers/staging/tidspbridge/core/msg_sm.c index 94d9e04a22f..ce9557e16eb 100644 --- a/drivers/staging/tidspbridge/core/msg_sm.c +++ b/drivers/staging/tidspbridge/core/msg_sm.c @@ -20,9 +20,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/sync.h> diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c index dde559d06c4..7862513cc29 100644 --- a/drivers/staging/tidspbridge/core/tiomap3430.c +++ b/drivers/staging/tidspbridge/core/tiomap3430.c @@ -27,9 +27,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/drv.h> #include <dspbridge/sync.h> @@ -256,9 +253,6 @@ static void bad_page_dump(u32 pa, struct page *pg) void bridge_drv_entry(struct bridge_drv_interface **drv_intf, const char *driver_file_name) { - - DBC_REQUIRE(driver_file_name != NULL); - if (strcmp(driver_file_name, "UMA") == 0) *drv_intf = &drv_interface_fxns; else @@ -389,6 +383,7 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt, u32 clk_cmd; struct io_mgr *hio_mgr; u32 ul_load_monitor_timer; + u32 wdt_en = 0; struct omap_dsp_platform_data *pdata = omap_dspbridge_dev->dev.platform_data; @@ -399,16 +394,13 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt, (void)dev_get_symbol(dev_context->dev_obj, SHMBASENAME, &ul_shm_base_virt); ul_shm_base_virt *= DSPWORDSIZE; - DBC_ASSERT(ul_shm_base_virt != 0); /* DSP Virtual address */ ul_tlb_base_virt = dev_context->atlb_entry[0].dsp_va; - DBC_ASSERT(ul_tlb_base_virt <= ul_shm_base_virt); ul_shm_offset_virt = ul_shm_base_virt - (ul_tlb_base_virt * DSPWORDSIZE); /* Kernel logical address */ ul_shm_base = dev_context->atlb_entry[0].gpp_va + ul_shm_offset_virt; - DBC_ASSERT(ul_shm_base != 0); /* 2nd wd is used as sync field */ dw_sync_addr = ul_shm_base + SHMSYNCOFFSET; /* Write a signature into the shm base + offset; this will @@ -603,9 +595,12 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt, if (!wait_for_start(dev_context, dw_sync_addr)) status = -ETIMEDOUT; - /* Start wdt */ - dsp_wdt_sm_set((void *)ul_shm_base); - dsp_wdt_enable(true); + dev_get_symbol(dev_context->dev_obj, "_WDT_enable", &wdt_en); + if (wdt_en) { + /* Start wdt */ + dsp_wdt_sm_set((void *)ul_shm_base); + dsp_wdt_enable(true); + } status = dev_get_io_mgr(dev_context->dev_obj, &hio_mgr); if (hio_mgr) { diff --git a/drivers/staging/tidspbridge/core/tiomap3430_pwr.c b/drivers/staging/tidspbridge/core/tiomap3430_pwr.c index 02dd4391309..16a4aafa86a 100644 --- a/drivers/staging/tidspbridge/core/tiomap3430_pwr.c +++ b/drivers/staging/tidspbridge/core/tiomap3430_pwr.c @@ -303,7 +303,6 @@ int dsp_peripheral_clk_ctrl(struct bridge_dev_context *dev_context, } /* TODO -- Assert may be a too hard restriction here.. May be we should * just return with failure when the CLK ID does not match */ - /* DBC_ASSERT(clk_id_index < MBX_PM_MAX_RESOURCES); */ if (clk_id_index == MBX_PM_MAX_RESOURCES) { /* return with a more meaningfull error code */ return -EPERM; diff --git a/drivers/staging/tidspbridge/core/tiomap_io.c b/drivers/staging/tidspbridge/core/tiomap_io.c index dfb356eb672..7fda10c3686 100644 --- a/drivers/staging/tidspbridge/core/tiomap_io.c +++ b/drivers/staging/tidspbridge/core/tiomap_io.c @@ -21,9 +21,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- Platform Manager */ #include <dspbridge/dev.h> #include <dspbridge/drv.h> @@ -68,20 +65,17 @@ int read_ext_dsp_data(struct bridge_dev_context *dev_ctxt, status = dev_get_symbol(dev_context->dev_obj, SHMBASENAME, &ul_shm_base_virt); } - DBC_ASSERT(ul_shm_base_virt != 0); /* Check if it is a read of Trace section */ if (!status && !ul_trace_sec_beg) { status = dev_get_symbol(dev_context->dev_obj, DSP_TRACESEC_BEG, &ul_trace_sec_beg); } - DBC_ASSERT(ul_trace_sec_beg != 0); if (!status && !ul_trace_sec_end) { status = dev_get_symbol(dev_context->dev_obj, DSP_TRACESEC_END, &ul_trace_sec_end); } - DBC_ASSERT(ul_trace_sec_end != 0); if (!status) { if ((dsp_addr <= ul_trace_sec_end) && @@ -105,19 +99,16 @@ int read_ext_dsp_data(struct bridge_dev_context *dev_ctxt, status = dev_get_symbol(dev_context->dev_obj, DYNEXTBASE, &ul_dyn_ext_base); } - DBC_ASSERT(ul_dyn_ext_base != 0); if (!status) { status = dev_get_symbol(dev_context->dev_obj, EXTBASE, &ul_ext_base); } - DBC_ASSERT(ul_ext_base != 0); if (!status) { status = dev_get_symbol(dev_context->dev_obj, EXTEND, &ul_ext_end); } - DBC_ASSERT(ul_ext_end != 0); /* Trace buffer is right after the shm SEG0, * so set the base address to SHMBASE */ @@ -126,8 +117,6 @@ int read_ext_dsp_data(struct bridge_dev_context *dev_ctxt, ul_ext_end = ul_trace_sec_end; } - DBC_ASSERT(ul_ext_end != 0); - DBC_ASSERT(ul_ext_end > ul_ext_base); if (ul_ext_end < ul_ext_base) status = -EPERM; @@ -135,7 +124,6 @@ int read_ext_dsp_data(struct bridge_dev_context *dev_ctxt, if (!status) { ul_tlb_base_virt = dev_context->atlb_entry[0].dsp_va * DSPWORDSIZE; - DBC_ASSERT(ul_tlb_base_virt <= ul_shm_base_virt); dw_ext_prog_virt_mem = dev_context->atlb_entry[0].gpp_va; @@ -271,7 +259,6 @@ int write_ext_dsp_data(struct bridge_dev_context *dev_context, /* Get SHM_BEG EXT_BEG and EXT_END. */ ret = dev_get_symbol(dev_context->dev_obj, SHMBASENAME, &ul_shm_base_virt); - DBC_ASSERT(ul_shm_base_virt != 0); if (dynamic_load) { if (!ret) { if (symbols_reloaded) @@ -280,7 +267,6 @@ int write_ext_dsp_data(struct bridge_dev_context *dev_context, (dev_context->dev_obj, DYNEXTBASE, &ul_ext_base); } - DBC_ASSERT(ul_ext_base != 0); if (!ret) { /* DR OMAPS00013235 : DLModules array may be * in EXTMEM. It is expected that DYNEXTMEM and @@ -299,7 +285,6 @@ int write_ext_dsp_data(struct bridge_dev_context *dev_context, dev_get_symbol (dev_context->dev_obj, EXTBASE, &ul_ext_base); - DBC_ASSERT(ul_ext_base != 0); if (!ret) ret = dev_get_symbol @@ -312,15 +297,12 @@ int write_ext_dsp_data(struct bridge_dev_context *dev_context, if (trace_load) ul_ext_base = ul_shm_base_virt; - DBC_ASSERT(ul_ext_end != 0); - DBC_ASSERT(ul_ext_end > ul_ext_base); if (ul_ext_end < ul_ext_base) ret = -EPERM; if (!ret) { ul_tlb_base_virt = dev_context->atlb_entry[0].dsp_va * DSPWORDSIZE; - DBC_ASSERT(ul_tlb_base_virt <= ul_shm_base_virt); if (symbols_reloaded) { ret = dev_get_symbol diff --git a/drivers/staging/tidspbridge/core/wdt.c b/drivers/staging/tidspbridge/core/wdt.c index 2126f597753..70055c8111e 100644 --- a/drivers/staging/tidspbridge/core/wdt.c +++ b/drivers/staging/tidspbridge/core/wdt.c @@ -25,8 +25,6 @@ #include <dspbridge/host_os.h> -#ifdef CONFIG_TIDSPBRIDGE_WDT3 - #define OMAP34XX_WDT3_BASE (L4_PER_34XX_BASE + 0x30000) static struct dsp_wdt_setting dsp_wdt; @@ -84,7 +82,7 @@ int dsp_wdt_init(void) void dsp_wdt_sm_set(void *data) { dsp_wdt.sm_wdt = data; - dsp_wdt.sm_wdt->wdt_overflow = CONFIG_TIDSPBRIDGE_WDT_TIMEOUT; + dsp_wdt.sm_wdt->wdt_overflow = 5; /* in seconds */ } @@ -128,23 +126,3 @@ void dsp_wdt_enable(bool enable) clk_disable(dsp_wdt.fclk); } } - -#else -void dsp_wdt_enable(bool enable) -{ -} - -void dsp_wdt_sm_set(void *data) -{ -} - -int dsp_wdt_init(void) -{ - return 0; -} - -void dsp_wdt_exit(void) -{ -} -#endif - diff --git a/drivers/staging/tidspbridge/gen/gh.c b/drivers/staging/tidspbridge/gen/gh.c index 60aa7b063c9..25eaef782aa 100644 --- a/drivers/staging/tidspbridge/gen/gh.c +++ b/drivers/staging/tidspbridge/gen/gh.c @@ -95,15 +95,6 @@ void gh_delete(struct gh_t_hash_tab *hash_tab) } /* - * ======== gh_exit ======== - */ - -void gh_exit(void) -{ - /* Do nothing */ -} - -/* * ======== gh_find ======== */ @@ -122,15 +113,6 @@ void *gh_find(struct gh_t_hash_tab *hash_tab, void *key) } /* - * ======== gh_init ======== - */ - -void gh_init(void) -{ - /* Do nothing */ -} - -/* * ======== gh_insert ======== */ diff --git a/drivers/staging/tidspbridge/gen/uuidutil.c b/drivers/staging/tidspbridge/gen/uuidutil.c index ff6ebadf98f..b44656cf785 100644 --- a/drivers/staging/tidspbridge/gen/uuidutil.c +++ b/drivers/staging/tidspbridge/gen/uuidutil.c @@ -23,9 +23,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- This */ #include <dspbridge/uuidutil.h> @@ -41,8 +38,6 @@ void uuid_uuid_to_string(struct dsp_uuid *uuid_obj, char *sz_uuid, { s32 i; /* return result from snprintf. */ - DBC_REQUIRE(uuid_obj && sz_uuid); - i = snprintf(sz_uuid, size, "%.8X_%.4X_%.4X_%.2X%.2X_%.2X%.2X%.2X%.2X%.2X%.2X", uuid_obj->data1, uuid_obj->data2, uuid_obj->data3, @@ -50,8 +45,6 @@ void uuid_uuid_to_string(struct dsp_uuid *uuid_obj, char *sz_uuid, uuid_obj->data6[0], uuid_obj->data6[1], uuid_obj->data6[2], uuid_obj->data6[3], uuid_obj->data6[4], uuid_obj->data6[5]); - - DBC_ENSURE(i != -1); } static s32 uuid_hex_to_bin(char *buf, s32 len) diff --git a/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h b/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h index 6e7ab4fd8c3..cc95a18f1db 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h +++ b/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h @@ -99,14 +99,10 @@ struct shm { struct opp_rqst_struct opp_request; /* load monitor information structure */ struct load_mon_struct load_mon_info; -#ifdef CONFIG_TIDSPBRIDGE_WDT3 /* Flag for WDT enable/disable F/I clocks */ u32 wdt_setclocks; u32 wdt_overflow; /* WDT overflow time */ char dummy[176]; /* padding to 256 byte boundary */ -#else - char dummy[184]; /* padding to 256 byte boundary */ -#endif u32 shm_dbg_var[64]; /* shared memory debug variables */ }; diff --git a/drivers/staging/tidspbridge/include/dspbridge/chnl.h b/drivers/staging/tidspbridge/include/dspbridge/chnl.h index 92f6a13424f..9b018b1f9bf 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/chnl.h +++ b/drivers/staging/tidspbridge/include/dspbridge/chnl.h @@ -48,7 +48,6 @@ * -ECHRNG: This manager cannot handle this many channels. * -EEXIST: Channel manager already exists for this device. * Requires: - * chnl_init(void) called. * channel_mgr != NULL. * mgr_attrts != NULL. * Ensures: @@ -70,7 +69,6 @@ extern int chnl_create(struct chnl_mgr **channel_mgr, * 0: Success. * -EFAULT: hchnl_mgr was invalid. * Requires: - * chnl_init(void) called. * Ensures: * 0: Cancels I/O on each open channel. * Closes each open channel. @@ -79,31 +77,4 @@ extern int chnl_create(struct chnl_mgr **channel_mgr, */ extern int chnl_destroy(struct chnl_mgr *hchnl_mgr); -/* - * ======== chnl_exit ======== - * Purpose: - * Discontinue usage of the CHNL module. - * Parameters: - * Returns: - * Requires: - * chnl_init(void) previously called. - * Ensures: - * Resources, if any acquired in chnl_init(void), are freed when the last - * client of CHNL calls chnl_exit(void). - */ -extern void chnl_exit(void); - -/* - * ======== chnl_init ======== - * Purpose: - * Initialize the CHNL module's private state. - * Parameters: - * Returns: - * TRUE if initialized; FALSE if error occurred. - * Requires: - * Ensures: - * A requirement for each of the other public CHNL functions. - */ -extern bool chnl_init(void); - #endif /* CHNL_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/cmm.h b/drivers/staging/tidspbridge/include/dspbridge/cmm.h index aff22051cf5..c66bcf7ea90 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/cmm.h +++ b/drivers/staging/tidspbridge/include/dspbridge/cmm.h @@ -79,7 +79,6 @@ extern void *cmm_calloc_buf(struct cmm_object *hcmm_mgr, * -EPERM: Failed to initialize critical sect sync object. * * Requires: - * cmm_init(void) called. * ph_cmm_mgr != NULL. * mgr_attrts->min_block_size >= 4 bytes. * Ensures: @@ -111,20 +110,6 @@ extern int cmm_create(struct cmm_object **ph_cmm_mgr, extern int cmm_destroy(struct cmm_object *hcmm_mgr, bool force); /* - * ======== cmm_exit ======== - * Purpose: - * Discontinue usage of module. Cleanup CMM module if CMM cRef reaches zero. - * Parameters: - * n/a - * Returns: - * n/a - * Requires: - * CMM is initialized. - * Ensures: - */ -extern void cmm_exit(void); - -/* * ======== cmm_free_buf ======== * Purpose: * Free the given buffer. @@ -185,19 +170,6 @@ extern int cmm_get_info(struct cmm_object *hcmm_mgr, struct cmm_info *cmm_info_obj); /* - * ======== cmm_init ======== - * Purpose: - * Initializes private state of CMM module. - * Parameters: - * Returns: - * TRUE if initialized; FALSE if error occurred. - * Requires: - * Ensures: - * CMM initialized. - */ -extern bool cmm_init(void); - -/* * ======== cmm_register_gppsm_seg ======== * Purpose: * Register a block of SM with the CMM. @@ -333,7 +305,6 @@ extern int cmm_xlator_free_buf(struct cmm_xlatorobject *xlator, * 0: Success. * -EFAULT: Bad translator handle. * Requires: - * (refs > 0) * (paddr != NULL) * (ul_size > 0) * Ensures: @@ -355,7 +326,6 @@ extern int cmm_xlator_info(struct cmm_xlatorobject *xlator, * Returns: * Valid address on success, else NULL. * Requires: - * refs > 0 * paddr != NULL * xtype >= CMM_VA2PA) && (xtype <= CMM_DSPPA2PA) * Ensures: diff --git a/drivers/staging/tidspbridge/include/dspbridge/cod.h b/drivers/staging/tidspbridge/include/dspbridge/cod.h index cb684c11b30..ba2005d0242 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/cod.h +++ b/drivers/staging/tidspbridge/include/dspbridge/cod.h @@ -100,21 +100,6 @@ extern int cod_create(struct cod_manager **mgr, extern void cod_delete(struct cod_manager *cod_mgr_obj); /* - * ======== cod_exit ======== - * Purpose: - * Discontinue usage of the COD module. - * Parameters: - * None. - * Returns: - * None. - * Requires: - * COD initialized. - * Ensures: - * Resources acquired in cod_init(void) are freed. - */ -extern void cod_exit(void); - -/* * ======== cod_get_base_lib ======== * Purpose: * Get handle to the base image DBL library. @@ -243,20 +228,6 @@ extern int cod_get_sym_value(struct cod_manager *cod_mgr_obj, char *str_sym, u32 * pul_value); /* - * ======== cod_init ======== - * Purpose: - * Initialize the COD module's private state. - * Parameters: - * None. - * Returns: - * TRUE if initialized; FALSE if error occurred. - * Requires: - * Ensures: - * A requirement for each of the other public COD functions. - */ -extern bool cod_init(void); - -/* * ======== cod_load_base ======== * Purpose: * Load the initial program image, optionally with command-line arguments, diff --git a/drivers/staging/tidspbridge/include/dspbridge/dbc.h b/drivers/staging/tidspbridge/include/dspbridge/dbc.h deleted file mode 100644 index 463760f499a..00000000000 --- a/drivers/staging/tidspbridge/include/dspbridge/dbc.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * dbc.h - * - * DSP-BIOS Bridge driver support functions for TI OMAP processors. - * - * "Design by Contract" programming macros. - * - * Notes: - * Requires that the GT->ERROR function has been defaulted to a valid - * error handler for the given execution environment. - * - * Does not require that GT_init() be called. - * - * Copyright (C) 2008 Texas Instruments, Inc. - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -#ifndef DBC_ -#define DBC_ - -/* Assertion Macros: */ -#ifdef CONFIG_TIDSPBRIDGE_DEBUG - -#define DBC_ASSERT(exp) \ - if (!(exp)) \ - pr_err("%s, line %d: Assertion (" #exp ") failed.\n", \ - __FILE__, __LINE__) -#define DBC_REQUIRE DBC_ASSERT /* Function Precondition. */ -#define DBC_ENSURE DBC_ASSERT /* Function Postcondition. */ - -#else - -#define DBC_ASSERT(exp) {} -#define DBC_REQUIRE(exp) {} -#define DBC_ENSURE(exp) {} - -#endif /* DEBUG */ - -#endif /* DBC_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dev.h b/drivers/staging/tidspbridge/include/dspbridge/dev.h index f92b4be0b41..fa2d79ef6cc 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/dev.h +++ b/drivers/staging/tidspbridge/include/dspbridge/dev.h @@ -478,33 +478,6 @@ extern int dev_get_bridge_context(struct dev_object *hdev_obj, **phbridge_context); /* - * ======== dev_exit ======== - * Purpose: - * Decrement reference count, and free resources when reference count is - * 0. - * Parameters: - * Returns: - * Requires: - * DEV is initialized. - * Ensures: - * When reference count == 0, DEV's private resources are freed. - */ -extern void dev_exit(void); - -/* - * ======== dev_init ======== - * Purpose: - * Initialize DEV's private state, keeping a reference count on each call. - * Parameters: - * Returns: - * TRUE if initialized; FALSE if error occurred. - * Requires: - * Ensures: - * TRUE: A requirement for the other public DEV functions. - */ -extern bool dev_init(void); - -/* * ======== dev_insert_proc_object ======== * Purpose: * Inserts the Processor Object into the List of PROC Objects diff --git a/drivers/staging/tidspbridge/include/dspbridge/disp.h b/drivers/staging/tidspbridge/include/dspbridge/disp.h index 5dfdc8cfb93..39d3cea9ca8 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/disp.h +++ b/drivers/staging/tidspbridge/include/dspbridge/disp.h @@ -53,7 +53,6 @@ struct disp_attr { * -ENOMEM: Insufficient memory for requested resources. * -EPERM: Unable to create dispatcher. * Requires: - * disp_init(void) called. * disp_attrs != NULL. * hdev_obj != NULL. * dispatch_obj != NULL. @@ -73,7 +72,6 @@ extern int disp_create(struct disp_object **dispatch_obj, * disp_obj: Node Dispatcher object. * Returns: * Requires: - * disp_init(void) called. * Valid disp_obj. * Ensures: * disp_obj is invalid. @@ -81,31 +79,6 @@ extern int disp_create(struct disp_object **dispatch_obj, extern void disp_delete(struct disp_object *disp_obj); /* - * ======== disp_exit ======== - * Discontinue usage of DISP module. - * - * Parameters: - * Returns: - * Requires: - * disp_init(void) previously called. - * Ensures: - * Any resources acquired in disp_init(void) will be freed when last DISP - * client calls disp_exit(void). - */ -extern void disp_exit(void); - -/* - * ======== disp_init ======== - * Initialize the DISP module. - * - * Parameters: - * Returns: - * TRUE if initialization succeeded, FALSE otherwise. - * Ensures: - */ -extern bool disp_init(void); - -/* * ======== disp_node_change_priority ======== * Change the priority of a node currently running on the target. * @@ -120,7 +93,6 @@ extern bool disp_init(void); * 0: Success. * -ETIME: A timeout occurred before the DSP responded. * Requires: - * disp_init(void) called. * Valid disp_obj. * hnode != NULL. * Ensures: @@ -148,7 +120,6 @@ extern int disp_node_change_priority(struct disp_object * -ETIME: A timeout occurred before the DSP responded. * -EPERM: A failure occurred, unable to create node. * Requires: - * disp_init(void) called. * Valid disp_obj. * pargs != NULL. * hnode != NULL. @@ -178,7 +149,6 @@ extern int disp_node_create(struct disp_object *disp_obj, * 0: Success. * -ETIME: A timeout occurred before the DSP responded. * Requires: - * disp_init(void) called. * Valid disp_obj. * hnode != NULL. * Ensures: @@ -204,7 +174,6 @@ extern int disp_node_delete(struct disp_object *disp_obj, * 0: Success. * -ETIME: A timeout occurred before the DSP responded. * Requires: - * disp_init(void) called. * Valid disp_obj. * hnode != NULL. * Ensures: diff --git a/drivers/staging/tidspbridge/include/dspbridge/dmm.h b/drivers/staging/tidspbridge/include/dspbridge/dmm.h index 6c58335c5f6..c3487be8fcf 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/dmm.h +++ b/drivers/staging/tidspbridge/include/dspbridge/dmm.h @@ -61,10 +61,6 @@ extern int dmm_create(struct dmm_object **dmm_manager, struct dev_object *hdev_obj, const struct dmm_mgrattrs *mgr_attrts); -extern bool dmm_init(void); - -extern void dmm_exit(void); - extern int dmm_create_tables(struct dmm_object *dmm_mgr, u32 addr, u32 size); diff --git a/drivers/staging/tidspbridge/include/dspbridge/drv.h b/drivers/staging/tidspbridge/include/dspbridge/drv.h index 9cdbd955dce..b0c7708321b 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/drv.h +++ b/drivers/staging/tidspbridge/include/dspbridge/drv.h @@ -199,17 +199,6 @@ extern int drv_create(struct drv_object **drv_obj); extern int drv_destroy(struct drv_object *driver_obj); /* - * ======== drv_exit ======== - * Purpose: - * Exit the DRV module, freeing any modules initialized in drv_init. - * Parameters: - * Returns: - * Requires: - * Ensures: - */ -extern void drv_exit(void); - -/* * ======== drv_get_first_dev_object ======== * Purpose: * Returns the Ptr to the FirstDev Object in the List @@ -294,18 +283,6 @@ extern u32 drv_get_next_dev_object(u32 hdev_obj); extern u32 drv_get_next_dev_extension(u32 dev_extension); /* - * ======== drv_init ======== - * Purpose: - * Initialize the DRV module. - * Parameters: - * Returns: - * TRUE if success; FALSE otherwise. - * Requires: - * Ensures: - */ -extern int drv_init(void); - -/* * ======== drv_insert_dev_object ======== * Purpose: * Insert a DeviceObject into the list of Driver object. diff --git a/drivers/staging/tidspbridge/include/dspbridge/gh.h b/drivers/staging/tidspbridge/include/dspbridge/gh.h index 9de291d1f56..da85079dbfb 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/gh.h +++ b/drivers/staging/tidspbridge/include/dspbridge/gh.h @@ -23,9 +23,7 @@ extern struct gh_t_hash_tab *gh_create(u16 max_bucket, u16 val_size, bool(*match) (void *, void *), void (*delete) (void *)); extern void gh_delete(struct gh_t_hash_tab *hash_tab); -extern void gh_exit(void); extern void *gh_find(struct gh_t_hash_tab *hash_tab, void *key); -extern void gh_init(void); extern void *gh_insert(struct gh_t_hash_tab *hash_tab, void *key, void *value); #ifdef CONFIG_TIDSPBRIDGE_BACKTRACE void gh_iterate(struct gh_t_hash_tab *hash_tab, diff --git a/drivers/staging/tidspbridge/include/dspbridge/io.h b/drivers/staging/tidspbridge/include/dspbridge/io.h index 500bbd71684..75057185690 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/io.h +++ b/drivers/staging/tidspbridge/include/dspbridge/io.h @@ -55,7 +55,6 @@ struct io_attrs { * -EINVAL: Invalid DSP word size (must be > 0). * Invalid base address for DSP communications. * Requires: - * io_init(void) called. * io_man != NULL. * mgr_attrts != NULL. * Ensures: @@ -74,36 +73,8 @@ extern int io_create(struct io_mgr **io_man, * 0: Success. * -EFAULT: hio_mgr was invalid. * Requires: - * io_init(void) called. * Ensures: */ extern int io_destroy(struct io_mgr *hio_mgr); -/* - * ======== io_exit ======== - * Purpose: - * Discontinue usage of the IO module. - * Parameters: - * Returns: - * Requires: - * io_init(void) previously called. - * Ensures: - * Resources, if any acquired in io_init(void), are freed when the last - * client of IO calls io_exit(void). - */ -extern void io_exit(void); - -/* - * ======== io_init ======== - * Purpose: - * Initialize the IO module's private state. - * Parameters: - * Returns: - * TRUE if initialized; FALSE if error occurred. - * Requires: - * Ensures: - * A requirement for each of the other public CHNL functions. - */ -extern bool io_init(void); - #endif /* CHNL_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/io_sm.h b/drivers/staging/tidspbridge/include/dspbridge/io_sm.h index a054dad2133..903ff12b14d 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/io_sm.h +++ b/drivers/staging/tidspbridge/include/dspbridge/io_sm.h @@ -154,8 +154,6 @@ int dump_dsp_stack(struct bridge_dev_context *bridge_context); void dump_dl_modules(struct bridge_dev_context *bridge_context); -#endif -#if defined(CONFIG_TIDSPBRIDGE_BACKTRACE) || defined(CONFIG_TIDSPBRIDGE_DEBUG) void print_dsp_debug_trace(struct io_mgr *hio_mgr); #endif diff --git a/drivers/staging/tidspbridge/include/dspbridge/msg.h b/drivers/staging/tidspbridge/include/dspbridge/msg.h index 95778bcb5aa..2c8712c933f 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/msg.h +++ b/drivers/staging/tidspbridge/include/dspbridge/msg.h @@ -34,7 +34,6 @@ * msg_callback: Called whenever an RMS_EXIT message is received. * Returns: * Requires: - * msg_mod_init(void) called. * msg_man != NULL. * hdev_obj != NULL. * msg_callback != NULL. @@ -52,35 +51,9 @@ extern int msg_create(struct msg_mgr **msg_man, * hmsg_mgr: Handle returned from msg_create(). * Returns: * Requires: - * msg_mod_init(void) called. * Valid hmsg_mgr. * Ensures: */ extern void msg_delete(struct msg_mgr *hmsg_mgr); -/* - * ======== msg_exit ======== - * Purpose: - * Discontinue usage of msg_ctrl module. - * Parameters: - * Returns: - * Requires: - * msg_mod_init(void) successfully called before. - * Ensures: - * Any resources acquired in msg_mod_init(void) will be freed when last - * msg_ctrl client calls msg_exit(void). - */ -extern void msg_exit(void); - -/* - * ======== msg_mod_init ======== - * Purpose: - * Initialize the msg_ctrl module. - * Parameters: - * Returns: - * TRUE if initialization succeeded, FALSE otherwise. - * Ensures: - */ -extern bool msg_mod_init(void); - #endif /* MSG_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/nldr.h b/drivers/staging/tidspbridge/include/dspbridge/nldr.h index d9653ee667e..c5e48ca6c54 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/nldr.h +++ b/drivers/staging/tidspbridge/include/dspbridge/nldr.h @@ -36,7 +36,6 @@ extern int nldr_create(struct nldr_object **nldr, const struct nldr_attrs *pattrs); extern void nldr_delete(struct nldr_object *nldr_obj); -extern void nldr_exit(void); extern int nldr_get_fxn_addr(struct nldr_nodeobject *nldr_node_obj, char *str_fxn, u32 * addr); @@ -44,7 +43,6 @@ extern int nldr_get_fxn_addr(struct nldr_nodeobject *nldr_node_obj, extern int nldr_get_rmm_manager(struct nldr_object *nldr, struct rmm_target_obj **rmm_mgr); -extern bool nldr_init(void); extern int nldr_load(struct nldr_nodeobject *nldr_node_obj, enum nldr_phase phase); extern int nldr_unload(struct nldr_nodeobject *nldr_node_obj, diff --git a/drivers/staging/tidspbridge/include/dspbridge/nldrdefs.h b/drivers/staging/tidspbridge/include/dspbridge/nldrdefs.h index ee3a85f08fc..7e3c7f58b49 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/nldrdefs.h +++ b/drivers/staging/tidspbridge/include/dspbridge/nldrdefs.h @@ -119,7 +119,6 @@ enum nldr_phase { * 0: Success. * -ENOMEM: Insufficient memory on GPP. * Requires: - * nldr_init(void) called. * Valid nldr_obj. * node_props != NULL. * nldr_nodeobj != NULL. @@ -148,7 +147,6 @@ typedef int(*nldr_allocatefxn) (struct nldr_object *nldr_obj, * 0: Success; * -ENOMEM: Insufficient memory for requested resources. * Requires: - * nldr_init(void) called. * nldr != NULL. * hdev_obj != NULL. * pattrs != NULL. @@ -168,7 +166,6 @@ typedef int(*nldr_createfxn) (struct nldr_object **nldr, * nldr_obj: Node manager object. * Returns: * Requires: - * nldr_init(void) called. * Valid nldr_obj. * Ensures: * nldr_obj invalid @@ -176,20 +173,6 @@ typedef int(*nldr_createfxn) (struct nldr_object **nldr, typedef void (*nldr_deletefxn) (struct nldr_object *nldr_obj); /* - * ======== nldr_exit ======== - * Discontinue usage of NLDR module. - * - * Parameters: - * Returns: - * Requires: - * nldr_init(void) successfully called before. - * Ensures: - * Any resources acquired in nldr_init(void) will be freed when last NLDR - * client calls nldr_exit(void). - */ -typedef void (*nldr_exitfxn) (void); - -/* * ======== NLDR_Free ======== * Free resources allocated in nldr_allocate. * @@ -197,7 +180,6 @@ typedef void (*nldr_exitfxn) (void); * nldr_node_obj: Handle returned from nldr_allocate(). * Returns: * Requires: - * nldr_init(void) called. * Valid nldr_node_obj. * Ensures: */ @@ -216,7 +198,6 @@ typedef void (*nldr_freefxn) (struct nldr_nodeobject *nldr_node_obj); * 0: Success. * -ESPIPE: Address of function not found. * Requires: - * nldr_init(void) called. * Valid nldr_node_obj. * addr != NULL; * str_fxn != NULL; @@ -227,17 +208,6 @@ typedef int(*nldr_getfxnaddrfxn) (struct nldr_nodeobject char *str_fxn, u32 * addr); /* - * ======== nldr_init ======== - * Initialize the NLDR module. - * - * Parameters: - * Returns: - * TRUE if initialization succeeded, FALSE otherwise. - * Ensures: - */ -typedef bool(*nldr_initfxn) (void); - -/* * ======== nldr_load ======== * Load create, delete, or execute phase function of a node on the DSP. * @@ -251,7 +221,6 @@ typedef bool(*nldr_initfxn) (void); * is already in use. * -EILSEQ: Failure in dynamic loader library. * Requires: - * nldr_init(void) called. * Valid nldr_node_obj. * Ensures: */ @@ -269,7 +238,6 @@ typedef int(*nldr_loadfxn) (struct nldr_nodeobject *nldr_node_obj, * 0: Success. * -ENOMEM: Insufficient memory on GPP. * Requires: - * nldr_init(void) called. * Valid nldr_node_obj. * Ensures: */ @@ -283,9 +251,7 @@ struct node_ldr_fxns { nldr_allocatefxn allocate; nldr_createfxn create; nldr_deletefxn delete; - nldr_exitfxn exit; nldr_getfxnaddrfxn get_fxn_addr; - nldr_initfxn init; nldr_loadfxn load; nldr_unloadfxn unload; }; diff --git a/drivers/staging/tidspbridge/include/dspbridge/node.h b/drivers/staging/tidspbridge/include/dspbridge/node.h index 16371d818e3..7397b7a12f7 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/node.h +++ b/drivers/staging/tidspbridge/include/dspbridge/node.h @@ -47,7 +47,6 @@ * -EPERM: A failure occurred, unable to allocate node. * -EBADR: Proccessor is not in the running state. * Requires: - * node_init(void) called. * hprocessor != NULL. * node_uuid != NULL. * noderes != NULL. @@ -81,7 +80,6 @@ extern int node_allocate(struct proc_object *hprocessor, * -EPERM: General Failure. * -EINVAL: Invalid Size. * Requires: - * node_init(void) called. * pbuffer != NULL. * Ensures: */ @@ -106,7 +104,6 @@ extern int node_alloc_msg_buf(struct node_object *hnode, * or NODE_RUNNING state. * -ETIME: A timeout occurred before the DSP responded. * Requires: - * node_init(void) called. * Ensures: * 0 && (Node's current priority == prio) */ @@ -157,7 +154,6 @@ extern int node_change_priority(struct node_object *hnode, s32 prio); * Device node to device node, or device node to * GPP), the two nodes are on different DSPs. * Requires: - * node_init(void) called. * Ensures: */ extern int node_connect(struct node_object *node1, @@ -185,7 +181,6 @@ extern int node_connect(struct node_object *node1, * -ETIME: A timeout occurred before the DSP responded. * -EPERM: A failure occurred, unable to create node. * Requires: - * node_init(void) called. * Ensures: */ extern int node_create(struct node_object *hnode); @@ -206,7 +201,6 @@ extern int node_create(struct node_object *hnode); * -ENOMEM: Insufficient memory for requested resources. * -EPERM: General failure. * Requires: - * node_init(void) called. * node_man != NULL. * hdev_obj != NULL. * Ensures: @@ -234,7 +228,6 @@ extern int node_create_mgr(struct node_mgr **node_man, * -EPERM: A failure occurred in deleting the node. * -ESPIPE: Delete function not found in the COFF file. * Requires: - * node_init(void) called. * Ensures: * 0: hnode is invalid. */ @@ -250,7 +243,6 @@ extern int node_delete(struct node_res_object *noderes, * Returns: * 0: Success. * Requires: - * node_init(void) called. * Valid hnode_mgr. * Ensures: */ @@ -287,20 +279,6 @@ extern int node_enum_nodes(struct node_mgr *hnode_mgr, u32 *pu_allocated); /* - * ======== node_exit ======== - * Purpose: - * Discontinue usage of NODE module. - * Parameters: - * Returns: - * Requires: - * node_init(void) successfully called before. - * Ensures: - * Any resources acquired in node_init(void) will be freed when last NODE - * client calls node_exit(void). - */ -extern void node_exit(void); - -/* * ======== node_free_msg_buf ======== * Purpose: * Free a message buffer previously allocated with node_alloc_msg_buf. @@ -313,7 +291,6 @@ extern void node_exit(void); * -EFAULT: Invalid node handle. * -EPERM: Failure to free the buffer. * Requires: - * node_init(void) called. * pbuffer != NULL. * Ensures: */ @@ -336,7 +313,6 @@ extern int node_free_msg_buf(struct node_object *hnode, * 0: Success. * -EFAULT: Invalid hnode. * Requires: - * node_init(void) called. * pattr != NULL. * Ensures: * 0: *pattrs contains the node's current attributes. @@ -363,7 +339,6 @@ extern int node_get_attr(struct node_object *hnode, * Error occurred while trying to retrieve a message. * -ETIME: Timeout occurred and no message is available. * Requires: - * node_init(void) called. * message != NULL. * Ensures: */ @@ -386,17 +361,6 @@ extern int node_get_nldr_obj(struct node_mgr *hnode_mgr, struct nldr_object **nldr_ovlyobj); /* - * ======== node_init ======== - * Purpose: - * Initialize the NODE module. - * Parameters: - * Returns: - * TRUE if initialization succeeded, FALSE otherwise. - * Ensures: - */ -extern bool node_init(void); - -/* * ======== node_on_exit ======== * Purpose: * Gets called when RMS_EXIT is received for a node. PROC needs to pass @@ -425,7 +389,6 @@ void node_on_exit(struct node_object *hnode, s32 node_status); * -ETIME: A timeout occurred before the DSP responded. * DSP_EWRONGSTSATE: Node is not in NODE_RUNNING state. * Requires: - * node_init(void) called. * Ensures: */ extern int node_pause(struct node_object *hnode); @@ -449,7 +412,6 @@ extern int node_pause(struct node_object *hnode); * -ETIME: Timeout occurred before message could be set. * -EBADR: Node is in invalid state for sending messages. * Requires: - * node_init(void) called. * pmsg != NULL. * Ensures: */ @@ -473,7 +435,6 @@ extern int node_put_message(struct node_object *hnode, * -ENOSYS: Notification type specified by notify_type is not * supported. * Requires: - * node_init(void) called. * hnotification != NULL. * Ensures: */ @@ -500,7 +461,6 @@ extern int node_register_notify(struct node_object *hnode, * DSP_EWRONGSTSATE: Node is not in NODE_PAUSED or NODE_CREATED state. * -ESPIPE: Execute function not found in the COFF file. * Requires: - * node_init(void) called. * Ensures: */ extern int node_run(struct node_object *hnode); @@ -523,7 +483,6 @@ extern int node_run(struct node_object *hnode); * Unable to terminate the node. * -EBADR: Operation not valid for the current node state. * Requires: - * node_init(void) called. * pstatus != NULL. * Ensures: */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h b/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h index 9c1e06758c8..d5b54bb81e8 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h +++ b/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h @@ -96,7 +96,6 @@ struct node_createargs { * -EINVAL: The node's stream corresponding to index and dir * is not a stream to or from the host. * Requires: - * node_init(void) called. * Valid dir. * chan_id != NULL. * Ensures: diff --git a/drivers/staging/tidspbridge/include/dspbridge/proc.h b/drivers/staging/tidspbridge/include/dspbridge/proc.h index f00dffd5198..a82380ebc04 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/proc.h +++ b/drivers/staging/tidspbridge/include/dspbridge/proc.h @@ -189,20 +189,6 @@ extern int proc_get_resource_info(void *hprocessor, u32 resource_info_size); /* - * ======== proc_exit ======== - * Purpose: - * Decrement reference count, and free resources when reference count is - * 0. - * Parameters: - * Returns: - * Requires: - * PROC is initialized. - * Ensures: - * When reference count == 0, PROC's private resources are freed. - */ -extern void proc_exit(void); - -/* * ======== proc_get_dev_object ========= * Purpose: * Returns the DEV Hanlde for a given Processor handle @@ -223,20 +209,6 @@ extern int proc_get_dev_object(void *hprocessor, struct dev_object **device_obj); /* - * ======== proc_init ======== - * Purpose: - * Initialize PROC's private state, keeping a reference count on each - * call. - * Parameters: - * Returns: - * TRUE if initialized; FALSE if error occurred. - * Requires: - * Ensures: - * TRUE: A requirement for the other public PROC functions. - */ -extern bool proc_init(void); - -/* * ======== proc_get_state ======== * Purpose: * Report the state of the specified DSP processor. diff --git a/drivers/staging/tidspbridge/include/dspbridge/rmm.h b/drivers/staging/tidspbridge/include/dspbridge/rmm.h index baea536681e..f7a4dc8ecb4 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/rmm.h +++ b/drivers/staging/tidspbridge/include/dspbridge/rmm.h @@ -115,18 +115,6 @@ extern int rmm_create(struct rmm_target_obj **target_obj, extern void rmm_delete(struct rmm_target_obj *target); /* - * ======== rmm_exit ======== - * Exit the RMM module - * - * Parameters: - * Returns: - * Requires: - * rmm_init successfully called. - * Ensures: - */ -extern void rmm_exit(void); - -/* * ======== rmm_free ======== * Free or unreserve memory allocated through rmm_alloc(). * @@ -148,19 +136,6 @@ extern bool rmm_free(struct rmm_target_obj *target, u32 segid, u32 dsp_addr, u32 size, bool reserved); /* - * ======== rmm_init ======== - * Initialize the RMM module - * - * Parameters: - * Returns: - * TRUE: Success. - * FALSE: Failure. - * Requires: - * Ensures: - */ -extern bool rmm_init(void); - -/* * ======== rmm_stat ======== * Obtain memory segment status * diff --git a/drivers/staging/tidspbridge/include/dspbridge/strm.h b/drivers/staging/tidspbridge/include/dspbridge/strm.h index 613fe53dd23..dacf0c234fd 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/strm.h +++ b/drivers/staging/tidspbridge/include/dspbridge/strm.h @@ -40,7 +40,6 @@ * -EPERM: Failure occurred, unable to allocate buffers. * -EINVAL: usize must be > 0 bytes. * Requires: - * strm_init(void) called. * ap_buffer != NULL. * Ensures: */ @@ -63,7 +62,6 @@ extern int strm_allocate_buffer(struct strm_res_object *strmres, * been reclaimed. * -EPERM: Failure to close stream. * Requires: - * strm_init(void) called. * Ensures: */ extern int strm_close(struct strm_res_object *strmres, @@ -83,7 +81,6 @@ extern int strm_close(struct strm_res_object *strmres, * -ENOMEM: Insufficient memory for requested resources. * -EPERM: General failure. * Requires: - * strm_init(void) called. * strm_man != NULL. * dev_obj != NULL. * Ensures: @@ -101,7 +98,6 @@ extern int strm_create(struct strm_mgr **strm_man, * strm_mgr_obj: Handle to STRM manager object from strm_create. * Returns: * Requires: - * strm_init(void) called. * Valid strm_mgr_obj. * Ensures: * strm_mgr_obj is not valid. @@ -109,18 +105,6 @@ extern int strm_create(struct strm_mgr **strm_man, extern void strm_delete(struct strm_mgr *strm_mgr_obj); /* - * ======== strm_exit ======== - * Purpose: - * Discontinue usage of STRM module. - * Parameters: - * Returns: - * Requires: - * strm_init(void) successfully called before. - * Ensures: - */ -extern void strm_exit(void); - -/* * ======== strm_free_buffer ======== * Purpose: * Free buffer(s) allocated with strm_allocate_buffer. @@ -133,7 +117,6 @@ extern void strm_exit(void); * -EFAULT: Invalid stream handle. * -EPERM: Failure occurred, unable to free buffers. * Requires: - * strm_init(void) called. * ap_buffer != NULL. * Ensures: */ @@ -156,7 +139,6 @@ extern int strm_free_buffer(struct strm_res_object *strmres, * -EINVAL: stream_info_size < sizeof(dsp_streaminfo). * -EPERM: Unable to get stream info. * Requires: - * strm_init(void) called. * stream_info != NULL. * Ensures: */ @@ -184,24 +166,11 @@ extern int strm_get_info(struct strm_object *stream_obj, * -ETIME: A timeout occurred before the stream could be idled. * -EPERM: Unable to idle stream. * Requires: - * strm_init(void) called. * Ensures: */ extern int strm_idle(struct strm_object *stream_obj, bool flush_data); /* - * ======== strm_init ======== - * Purpose: - * Initialize the STRM module. - * Parameters: - * Returns: - * TRUE if initialization succeeded, FALSE otherwise. - * Requires: - * Ensures: - */ -extern bool strm_init(void); - -/* * ======== strm_issue ======== * Purpose: * Send a buffer of data to a stream. @@ -217,8 +186,7 @@ extern bool strm_init(void); * -ENOSR: The stream is full. * -EPERM: Failure occurred, unable to issue buffer. * Requires: - * strm_init(void) called. - * pbuf != NULL. +* pbuf != NULL. * Ensures: */ extern int strm_issue(struct strm_object *stream_obj, u8 * pbuf, @@ -244,7 +212,6 @@ extern int strm_issue(struct strm_object *stream_obj, u8 * pbuf, * Unable to open stream. * -EINVAL: Invalid index. * Requires: - * strm_init(void) called. * strmres != NULL. * pattr != NULL. * Ensures: @@ -275,7 +242,6 @@ extern int strm_open(struct node_object *hnode, u32 dir, * retrieved. * -EPERM: Failure occurred, unable to reclaim buffer. * Requires: - * strm_init(void) called. * buf_ptr != NULL. * nbytes != NULL. * pdw_arg != NULL. @@ -302,7 +268,6 @@ extern int strm_reclaim(struct strm_object *stream_obj, * -ENOSYS: Notification type specified by notify_type is not * supported. * Requires: - * strm_init(void) called. * hnotification != NULL. * Ensures: */ @@ -328,7 +293,6 @@ extern int strm_register_notify(struct strm_object *stream_obj, * -ETIME: A timeout occurred before a stream became ready. * -EPERM: Failure occurred, unable to select a stream. * Requires: - * strm_init(void) called. * strm_tab != NULL. * strms > 0. * pmask != NULL. diff --git a/drivers/staging/tidspbridge/pmgr/chnl.c b/drivers/staging/tidspbridge/pmgr/chnl.c index 245de82e2d6..4bd8686f235 100644 --- a/drivers/staging/tidspbridge/pmgr/chnl.c +++ b/drivers/staging/tidspbridge/pmgr/chnl.c @@ -24,9 +24,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/sync.h> @@ -41,9 +38,6 @@ /* ----------------------------------- This */ #include <dspbridge/chnl.h> -/* ----------------------------------- Globals */ -static u32 refs; - /* * ======== chnl_create ======== * Purpose: @@ -58,10 +52,6 @@ int chnl_create(struct chnl_mgr **channel_mgr, struct chnl_mgr *hchnl_mgr; struct chnl_mgr_ *chnl_mgr_obj = NULL; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(channel_mgr != NULL); - DBC_REQUIRE(mgr_attrts != NULL); - *channel_mgr = NULL; /* Validate args: */ @@ -99,8 +89,6 @@ int chnl_create(struct chnl_mgr **channel_mgr, } } - DBC_ENSURE(status || chnl_mgr_obj); - return status; } @@ -115,8 +103,6 @@ int chnl_destroy(struct chnl_mgr *hchnl_mgr) struct bridge_drv_interface *intf_fxns; int status; - DBC_REQUIRE(refs > 0); - if (chnl_mgr_obj) { intf_fxns = chnl_mgr_obj->intf_fxns; /* Let Bridge channel module destroy the chnl_mgr: */ @@ -127,36 +113,3 @@ int chnl_destroy(struct chnl_mgr *hchnl_mgr) return status; } - -/* - * ======== chnl_exit ======== - * Purpose: - * Discontinue usage of the CHNL module. - */ -void chnl_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; - - DBC_ENSURE(refs >= 0); -} - -/* - * ======== chnl_init ======== - * Purpose: - * Initialize the CHNL module's private state. - */ -bool chnl_init(void) -{ - bool ret = true; - - DBC_REQUIRE(refs >= 0); - - if (ret) - refs++; - - DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0))); - - return ret; -} diff --git a/drivers/staging/tidspbridge/pmgr/cmm.c b/drivers/staging/tidspbridge/pmgr/cmm.c index e6b2c8962f8..4a800dadd70 100644 --- a/drivers/staging/tidspbridge/pmgr/cmm.c +++ b/drivers/staging/tidspbridge/pmgr/cmm.c @@ -35,9 +35,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/sync.h> @@ -134,9 +131,6 @@ struct cmm_mnode { u32 client_proc; /* Process that allocated this mem block */ }; -/* ----------------------------------- Globals */ -static u32 refs; /* module reference count */ - /* ----------------------------------- Function Prototypes */ static void add_to_free_list(struct cmm_allocator *allocator, struct cmm_mnode *pnode); @@ -244,9 +238,6 @@ int cmm_create(struct cmm_object **ph_cmm_mgr, struct cmm_object *cmm_obj = NULL; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(ph_cmm_mgr != NULL); - *ph_cmm_mgr = NULL; /* create, zero, and tag a cmm mgr object */ cmm_obj = kzalloc(sizeof(struct cmm_object), GFP_KERNEL); @@ -256,8 +247,6 @@ int cmm_create(struct cmm_object **ph_cmm_mgr, if (mgr_attrts == NULL) mgr_attrts = &cmm_dfltmgrattrs; /* set defaults */ - /* 4 bytes minimum */ - DBC_ASSERT(mgr_attrts->min_block_size >= 4); /* save away smallest block allocation for this cmm mgr */ cmm_obj->min_block_size = mgr_attrts->min_block_size; cmm_obj->page_size = PAGE_SIZE; @@ -283,7 +272,6 @@ int cmm_destroy(struct cmm_object *hcmm_mgr, bool force) s32 slot_seg; struct cmm_mnode *node, *tmp; - DBC_REQUIRE(refs > 0); if (!hcmm_mgr) { status = -EFAULT; return status; @@ -326,19 +314,6 @@ int cmm_destroy(struct cmm_object *hcmm_mgr, bool force) } /* - * ======== cmm_exit ======== - * Purpose: - * Discontinue usage of module; free resources when reference count - * reaches 0. - */ -void cmm_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; -} - -/* * ======== cmm_free_buf ======== * Purpose: * Free the given buffer. @@ -351,9 +326,6 @@ int cmm_free_buf(struct cmm_object *hcmm_mgr, void *buf_pa, u32 ul_seg_id) struct cmm_allocator *allocator; struct cmm_attrs *pattrs; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(buf_pa != NULL); - if (ul_seg_id == 0) { pattrs = &cmm_dfltalctattrs; ul_seg_id = pattrs->seg_id; @@ -392,8 +364,6 @@ int cmm_get_handle(void *hprocessor, struct cmm_object ** ph_cmm_mgr) int status = 0; struct dev_object *hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(ph_cmm_mgr != NULL); if (hprocessor != NULL) status = proc_get_dev_object(hprocessor, &hdev_obj); else @@ -419,8 +389,6 @@ int cmm_get_info(struct cmm_object *hcmm_mgr, struct cmm_allocator *altr; struct cmm_mnode *curr; - DBC_REQUIRE(cmm_info_obj != NULL); - if (!hcmm_mgr) { status = -EFAULT; return status; @@ -464,24 +432,6 @@ int cmm_get_info(struct cmm_object *hcmm_mgr, } /* - * ======== cmm_init ======== - * Purpose: - * Initializes private state of CMM module. - */ -bool cmm_init(void) -{ - bool ret = true; - - DBC_REQUIRE(refs >= 0); - if (ret) - refs++; - - DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0))); - - return ret; -} - -/* * ======== cmm_register_gppsm_seg ======== * Purpose: * Register a block of SM with the CMM to be used for later GPP SM @@ -499,13 +449,6 @@ int cmm_register_gppsm_seg(struct cmm_object *hcmm_mgr, struct cmm_mnode *new_node; s32 slot_seg; - DBC_REQUIRE(ul_size > 0); - DBC_REQUIRE(sgmt_id != NULL); - DBC_REQUIRE(dw_gpp_base_pa != 0); - DBC_REQUIRE(gpp_base_va != 0); - DBC_REQUIRE((c_factor <= CMM_ADDTODSPPA) && - (c_factor >= CMM_SUBFROMDSPPA)); - dev_dbg(bridge, "%s: dw_gpp_base_pa %x ul_size %x dsp_addr_offset %x " "dw_dsp_base %x ul_dsp_size %x gpp_base_va %x\n", __func__, dw_gpp_base_pa, ul_size, dsp_addr_offset, @@ -589,7 +532,6 @@ int cmm_un_register_gppsm_seg(struct cmm_object *hcmm_mgr, struct cmm_allocator *psma; u32 ul_id = ul_seg_id; - DBC_REQUIRE(ul_seg_id > 0); if (!hcmm_mgr) return -EFAULT; @@ -635,8 +577,6 @@ static void un_register_gppsm_seg(struct cmm_allocator *psma) { struct cmm_mnode *curr, *tmp; - DBC_REQUIRE(psma != NULL); - /* free nodes on free list */ list_for_each_entry_safe(curr, tmp, &psma->free_list, link) { list_del(&curr->link); @@ -664,7 +604,6 @@ static void un_register_gppsm_seg(struct cmm_allocator *psma) static s32 get_slot(struct cmm_object *cmm_mgr_obj) { s32 slot_seg = -1; /* neg on failure */ - DBC_REQUIRE(cmm_mgr_obj != NULL); /* get first available slot in cmm mgr SMSegTab[] */ for (slot_seg = 0; slot_seg < CMM_MAXGPPSEGS; slot_seg++) { if (cmm_mgr_obj->pa_gppsm_seg_tab[slot_seg] == NULL) @@ -687,11 +626,6 @@ static struct cmm_mnode *get_node(struct cmm_object *cmm_mgr_obj, u32 dw_pa, { struct cmm_mnode *pnode; - DBC_REQUIRE(cmm_mgr_obj != NULL); - DBC_REQUIRE(dw_pa != 0); - DBC_REQUIRE(dw_va != 0); - DBC_REQUIRE(ul_size != 0); - /* Check cmm mgr's node freelist */ if (list_empty(&cmm_mgr_obj->node_free_list)) { pnode = kzalloc(sizeof(struct cmm_mnode), GFP_KERNEL); @@ -719,7 +653,6 @@ static struct cmm_mnode *get_node(struct cmm_object *cmm_mgr_obj, u32 dw_pa, */ static void delete_node(struct cmm_object *cmm_mgr_obj, struct cmm_mnode *pnode) { - DBC_REQUIRE(pnode != NULL); list_add_tail(&pnode->link, &cmm_mgr_obj->node_free_list); } @@ -794,9 +727,6 @@ static void add_to_free_list(struct cmm_allocator *allocator, static struct cmm_allocator *get_allocator(struct cmm_object *cmm_mgr_obj, u32 ul_seg_id) { - DBC_REQUIRE(cmm_mgr_obj != NULL); - DBC_REQUIRE((ul_seg_id > 0) && (ul_seg_id <= CMM_MAXGPPSEGS)); - return cmm_mgr_obj->pa_gppsm_seg_tab[ul_seg_id - 1]; } @@ -818,10 +748,6 @@ int cmm_xlator_create(struct cmm_xlatorobject **xlator, struct cmm_xlator *xlator_object = NULL; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(xlator != NULL); - DBC_REQUIRE(hcmm_mgr != NULL); - *xlator = NULL; if (xlator_attrs == NULL) xlator_attrs = &cmm_dfltxlatorattrs; /* set defaults */ @@ -851,13 +777,6 @@ void *cmm_xlator_alloc_buf(struct cmm_xlatorobject *xlator, void *va_buf, void *tmp_va_buff; struct cmm_attrs attrs; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(xlator != NULL); - DBC_REQUIRE(xlator_obj->cmm_mgr != NULL); - DBC_REQUIRE(va_buf != NULL); - DBC_REQUIRE(pa_size > 0); - DBC_REQUIRE(xlator_obj->seg_id > 0); - if (xlator_obj) { attrs.seg_id = xlator_obj->seg_id; __raw_writel(0, va_buf); @@ -887,10 +806,6 @@ int cmm_xlator_free_buf(struct cmm_xlatorobject *xlator, void *buf_va) int status = -EPERM; void *buf_pa = NULL; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(buf_va != NULL); - DBC_REQUIRE(xlator_obj->seg_id > 0); - if (xlator_obj) { /* convert Va to Pa so we can free it. */ buf_pa = cmm_xlator_translate(xlator, buf_va, CMM_VA2PA); @@ -900,7 +815,8 @@ int cmm_xlator_free_buf(struct cmm_xlatorobject *xlator, void *buf_va) if (status) { /* Uh oh, this shouldn't happen. Descriptor * gone! */ - DBC_ASSERT(false); /* CMM is leaking mem */ + pr_err("%s, line %d: Assertion failed\n", + __FILE__, __LINE__); } } } @@ -918,10 +834,6 @@ int cmm_xlator_info(struct cmm_xlatorobject *xlator, u8 ** paddr, struct cmm_xlator *xlator_obj = (struct cmm_xlator *)xlator; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(paddr != NULL); - DBC_REQUIRE((segm_id > 0) && (segm_id <= CMM_MAXGPPSEGS)); - if (xlator_obj) { if (set_info) { /* set translators virtual address range */ @@ -948,16 +860,11 @@ void *cmm_xlator_translate(struct cmm_xlatorobject *xlator, void *paddr, struct cmm_allocator *allocator = NULL; u32 dw_offset = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(paddr != NULL); - DBC_REQUIRE((xtype >= CMM_VA2PA) && (xtype <= CMM_DSPPA2PA)); - if (!xlator_obj) goto loop_cont; cmm_mgr_obj = (struct cmm_object *)xlator_obj->cmm_mgr; /* get this translator's default SM allocator */ - DBC_ASSERT(xlator_obj->seg_id > 0); allocator = cmm_mgr_obj->pa_gppsm_seg_tab[xlator_obj->seg_id - 1]; if (!allocator) goto loop_cont; diff --git a/drivers/staging/tidspbridge/pmgr/cod.c b/drivers/staging/tidspbridge/pmgr/cod.c index 1a29264b585..4007826f7ab 100644 --- a/drivers/staging/tidspbridge/pmgr/cod.c +++ b/drivers/staging/tidspbridge/pmgr/cod.c @@ -30,9 +30,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- Platform Manager */ /* Include appropriate loader header file */ #include <dspbridge/dbll.h> @@ -61,8 +58,6 @@ struct cod_libraryobj { struct cod_manager *cod_mgr; }; -static u32 refs = 0L; - static struct dbll_fxns ldr_fxns = { (dbll_close_fxn) dbll_close, (dbll_create_fxn) dbll_create, @@ -183,10 +178,6 @@ void cod_close(struct cod_libraryobj *lib) { struct cod_manager *hmgr; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(lib != NULL); - DBC_REQUIRE(lib->cod_mgr); - hmgr = lib->cod_mgr; hmgr->fxns.close_fxn(lib->dbll_lib); @@ -208,9 +199,6 @@ int cod_create(struct cod_manager **mgr, char *str_zl_file) struct dbll_attrs zl_attrs; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(mgr != NULL); - /* assume failure */ *mgr = NULL; @@ -263,9 +251,6 @@ int cod_create(struct cod_manager **mgr, char *str_zl_file) */ void cod_delete(struct cod_manager *cod_mgr_obj) { - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(cod_mgr_obj); - if (cod_mgr_obj->base_lib) { if (cod_mgr_obj->loaded) cod_mgr_obj->fxns.unload_fxn(cod_mgr_obj->base_lib, @@ -281,21 +266,6 @@ void cod_delete(struct cod_manager *cod_mgr_obj) } /* - * ======== cod_exit ======== - * Purpose: - * Discontinue usage of the COD module. - * - */ -void cod_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; - - DBC_ENSURE(refs >= 0); -} - -/* * ======== cod_get_base_lib ======== * Purpose: * Get handle to the base image DBL library. @@ -305,10 +275,6 @@ int cod_get_base_lib(struct cod_manager *cod_mgr_obj, { int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(cod_mgr_obj); - DBC_REQUIRE(plib != NULL); - *plib = (struct dbll_library_obj *)cod_mgr_obj->base_lib; return status; @@ -322,10 +288,6 @@ int cod_get_base_name(struct cod_manager *cod_mgr_obj, char *sz_name, { int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(cod_mgr_obj); - DBC_REQUIRE(sz_name != NULL); - if (usize <= COD_MAXPATHLENGTH) strncpy(sz_name, cod_mgr_obj->sz_zl_file, usize); else @@ -342,10 +304,6 @@ int cod_get_base_name(struct cod_manager *cod_mgr_obj, char *sz_name, */ int cod_get_entry(struct cod_manager *cod_mgr_obj, u32 *entry_pt) { - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(cod_mgr_obj); - DBC_REQUIRE(entry_pt != NULL); - *entry_pt = cod_mgr_obj->entry; return 0; @@ -361,10 +319,6 @@ int cod_get_loader(struct cod_manager *cod_mgr_obj, { int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(cod_mgr_obj); - DBC_REQUIRE(loader != NULL); - *loader = (struct dbll_tar_obj *)cod_mgr_obj->target; return status; @@ -382,13 +336,6 @@ int cod_get_section(struct cod_libraryobj *lib, char *str_sect, struct cod_manager *cod_mgr_obj; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(lib != NULL); - DBC_REQUIRE(lib->cod_mgr); - DBC_REQUIRE(str_sect != NULL); - DBC_REQUIRE(addr != NULL); - DBC_REQUIRE(len != NULL); - *addr = 0; *len = 0; if (lib != NULL) { @@ -399,8 +346,6 @@ int cod_get_section(struct cod_libraryobj *lib, char *str_sect, status = -ESPIPE; } - DBC_ENSURE(!status || ((*addr == 0) && (*len == 0))); - return status; } @@ -417,11 +362,6 @@ int cod_get_sym_value(struct cod_manager *cod_mgr_obj, char *str_sym, { struct dbll_sym_val *dbll_sym; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(cod_mgr_obj); - DBC_REQUIRE(str_sym != NULL); - DBC_REQUIRE(pul_value != NULL); - dev_dbg(bridge, "%s: cod_mgr_obj: %p str_sym: %s pul_value: %p\n", __func__, cod_mgr_obj, str_sym, pul_value); if (cod_mgr_obj->base_lib) { @@ -442,25 +382,6 @@ int cod_get_sym_value(struct cod_manager *cod_mgr_obj, char *str_sym, } /* - * ======== cod_init ======== - * Purpose: - * Initialize the COD module's private state. - * - */ -bool cod_init(void) -{ - bool ret = true; - - DBC_REQUIRE(refs >= 0); - - if (ret) - refs++; - - DBC_ENSURE((ret && refs > 0) || (!ret && refs >= 0)); - return ret; -} - -/* * ======== cod_load_base ======== * Purpose: * Load the initial program image, optionally with command-line arguments, @@ -482,14 +403,6 @@ int cod_load_base(struct cod_manager *cod_mgr_obj, u32 num_argc, char *args[], int status; u32 i; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(cod_mgr_obj); - DBC_REQUIRE(num_argc > 0); - DBC_REQUIRE(args != NULL); - DBC_REQUIRE(args[0] != NULL); - DBC_REQUIRE(pfn_write != NULL); - DBC_REQUIRE(cod_mgr_obj->base_lib != NULL); - /* * Make sure every argv[] stated in argc has a value, or change argc to * reflect true number in NULL terminated argv array. @@ -538,12 +451,6 @@ int cod_open(struct cod_manager *hmgr, char *sz_coff_path, int status = 0; struct cod_libraryobj *lib = NULL; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hmgr); - DBC_REQUIRE(sz_coff_path != NULL); - DBC_REQUIRE(flags == COD_NOLOAD || flags == COD_SYMB); - DBC_REQUIRE(lib_obj != NULL); - *lib_obj = NULL; lib = kzalloc(sizeof(struct cod_libraryobj), GFP_KERNEL); @@ -575,10 +482,6 @@ int cod_open_base(struct cod_manager *hmgr, char *sz_coff_path, int status = 0; struct dbll_library_obj *lib; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hmgr); - DBC_REQUIRE(sz_coff_path != NULL); - /* if we previously opened a base image, close it now */ if (hmgr->base_lib) { if (hmgr->loaded) { @@ -612,12 +515,6 @@ int cod_read_section(struct cod_libraryobj *lib, char *str_sect, { int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(lib != NULL); - DBC_REQUIRE(lib->cod_mgr); - DBC_REQUIRE(str_sect != NULL); - DBC_REQUIRE(str_content != NULL); - if (lib != NULL) status = lib->cod_mgr->fxns.read_sect_fxn(lib->dbll_lib, str_sect, diff --git a/drivers/staging/tidspbridge/pmgr/dbll.c b/drivers/staging/tidspbridge/pmgr/dbll.c index 31da62b14bc..9f07036cd41 100644 --- a/drivers/staging/tidspbridge/pmgr/dbll.c +++ b/drivers/staging/tidspbridge/pmgr/dbll.c @@ -21,8 +21,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> #include <dspbridge/gh.h> /* ----------------------------------- OS Adaptation Layer */ @@ -189,8 +187,6 @@ static u16 name_hash(void *key, u16 max_bucket); static bool name_match(void *key, void *sp); static void sym_delete(void *value); -static u32 refs; /* module reference count */ - /* Symbol Redefinition */ static int redefined_symbol; static int gbl_search = 1; @@ -202,9 +198,6 @@ void dbll_close(struct dbll_library_obj *zl_lib) { struct dbll_tar_obj *zl_target; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(zl_lib); - DBC_REQUIRE(zl_lib->open_ref > 0); zl_target = zl_lib->target_obj; zl_lib->open_ref--; if (zl_lib->open_ref == 0) { @@ -241,10 +234,6 @@ int dbll_create(struct dbll_tar_obj **target_obj, struct dbll_tar_obj *pzl_target; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(pattrs != NULL); - DBC_REQUIRE(target_obj != NULL); - /* Allocate DBL target object */ pzl_target = kzalloc(sizeof(struct dbll_tar_obj), GFP_KERNEL); if (target_obj != NULL) { @@ -255,8 +244,6 @@ int dbll_create(struct dbll_tar_obj **target_obj, pzl_target->attrs = *pattrs; *target_obj = (struct dbll_tar_obj *)pzl_target; } - DBC_ENSURE((!status && *target_obj) || - (status && *target_obj == NULL)); } return status; @@ -269,9 +256,6 @@ void dbll_delete(struct dbll_tar_obj *target) { struct dbll_tar_obj *zl_target = (struct dbll_tar_obj *)target; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(zl_target); - kfree(zl_target); } @@ -282,14 +266,7 @@ void dbll_delete(struct dbll_tar_obj *target) */ void dbll_exit(void) { - DBC_REQUIRE(refs > 0); - - refs--; - - if (refs == 0) - gh_exit(); - - DBC_ENSURE(refs >= 0); + /* do nothing */ } /* @@ -302,12 +279,6 @@ bool dbll_get_addr(struct dbll_library_obj *zl_lib, char *name, struct dbll_symbol *sym; bool status = false; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(zl_lib); - DBC_REQUIRE(name != NULL); - DBC_REQUIRE(sym_val != NULL); - DBC_REQUIRE(zl_lib->sym_tab != NULL); - sym = (struct dbll_symbol *)gh_find(zl_lib->sym_tab, name); if (sym != NULL) { *sym_val = &sym->value; @@ -327,10 +298,6 @@ void dbll_get_attrs(struct dbll_tar_obj *target, struct dbll_attrs *pattrs) { struct dbll_tar_obj *zl_target = (struct dbll_tar_obj *)target; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(zl_target); - DBC_REQUIRE(pattrs != NULL); - if ((pattrs != NULL) && (zl_target != NULL)) *pattrs = zl_target->attrs; @@ -347,12 +314,6 @@ bool dbll_get_c_addr(struct dbll_library_obj *zl_lib, char *name, char cname[MAXEXPR + 1]; bool status = false; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(zl_lib); - DBC_REQUIRE(sym_val != NULL); - DBC_REQUIRE(zl_lib->sym_tab != NULL); - DBC_REQUIRE(name != NULL); - cname[0] = '_'; strncpy(cname + 1, name, sizeof(cname) - 2); @@ -382,12 +343,6 @@ int dbll_get_sect(struct dbll_library_obj *lib, char *name, u32 *paddr, struct dbll_library_obj *zl_lib = (struct dbll_library_obj *)lib; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(name != NULL); - DBC_REQUIRE(paddr != NULL); - DBC_REQUIRE(psize != NULL); - DBC_REQUIRE(zl_lib); - /* If DOFF file is not open, we open it. */ if (zl_lib != NULL) { if (zl_lib->fp == NULL) { @@ -434,12 +389,7 @@ int dbll_get_sect(struct dbll_library_obj *lib, char *name, u32 *paddr, */ bool dbll_init(void) { - DBC_REQUIRE(refs >= 0); - - if (refs == 0) - gh_init(); - - refs++; + /* do nothing */ return true; } @@ -456,10 +406,6 @@ int dbll_load(struct dbll_library_obj *lib, dbll_flags flags, s32 err; int status = 0; bool opened_doff = false; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(zl_lib); - DBC_REQUIRE(entry != NULL); - DBC_REQUIRE(attrs != NULL); /* * Load if not already loaded. @@ -558,8 +504,6 @@ int dbll_load(struct dbll_library_obj *lib, dbll_flags flags, if (opened_doff) dof_close(zl_lib); - DBC_ENSURE(status || zl_lib->load_ref > 0); - dev_dbg(bridge, "%s: lib: %p flags: 0x%x entry: %p, status 0x%x\n", __func__, lib, flags, entry, status); @@ -577,12 +521,6 @@ int dbll_open(struct dbll_tar_obj *target, char *file, dbll_flags flags, s32 err; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(zl_target); - DBC_REQUIRE(zl_target->attrs.fopen != NULL); - DBC_REQUIRE(file != NULL); - DBC_REQUIRE(lib_obj != NULL); - zl_lib = zl_target->head; while (zl_lib != NULL) { if (strcmp(zl_lib->file_name, file) == 0) { @@ -699,8 +637,6 @@ func_cont: dbll_close((struct dbll_library_obj *)zl_lib); } - DBC_ENSURE((!status && (zl_lib->open_ref > 0) && *lib_obj) - || (status && *lib_obj == NULL)); dev_dbg(bridge, "%s: target: %p file: %s lib_obj: %p, status 0x%x\n", __func__, target, file, lib_obj, status); @@ -722,12 +658,6 @@ int dbll_read_sect(struct dbll_library_obj *lib, char *name, const struct ldr_section_info *sect = NULL; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(zl_lib); - DBC_REQUIRE(name != NULL); - DBC_REQUIRE(buf != NULL); - DBC_REQUIRE(size != 0); - /* If DOFF file is not open, we open it. */ if (zl_lib != NULL) { if (zl_lib->fp == NULL) { @@ -788,14 +718,11 @@ void dbll_unload(struct dbll_library_obj *lib, struct dbll_attrs *attrs) struct dbll_library_obj *zl_lib = (struct dbll_library_obj *)lib; s32 err = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(zl_lib); - DBC_REQUIRE(zl_lib->load_ref > 0); dev_dbg(bridge, "%s: lib: %p\n", __func__, lib); zl_lib->load_ref--; /* Unload only if reference count is 0 */ if (zl_lib->load_ref != 0) - goto func_end; + return; zl_lib->target_obj->attrs = *attrs; if (zl_lib->dload_mod_obj) { @@ -814,8 +741,6 @@ void dbll_unload(struct dbll_library_obj *lib, struct dbll_attrs *attrs) /* delete DOFF desc since it holds *lots* of host OS * resources */ dof_close(zl_lib); -func_end: - DBC_ENSURE(zl_lib->load_ref >= 0); } /* @@ -874,8 +799,6 @@ static u16 name_hash(void *key, u16 max_bucket) u16 hash; char *name = (char *)key; - DBC_REQUIRE(name != NULL); - hash = 0; while (*name) { @@ -893,9 +816,6 @@ static u16 name_hash(void *key, u16 max_bucket) */ static bool name_match(void *key, void *sp) { - DBC_REQUIRE(key != NULL); - DBC_REQUIRE(sp != NULL); - if ((key != NULL) && (sp != NULL)) { if (strcmp((char *)key, ((struct dbll_symbol *)sp)->name) == 0) @@ -938,10 +858,7 @@ static int dbll_read_buffer(struct dynamic_loader_stream *this, void *buffer, struct dbll_library_obj *lib; int bytes_read = 0; - DBC_REQUIRE(this != NULL); lib = pstream->lib; - DBC_REQUIRE(lib); - if (lib != NULL) { bytes_read = (*(lib->target_obj->attrs.fread)) (buffer, 1, bufsize, @@ -960,10 +877,7 @@ static int dbll_set_file_posn(struct dynamic_loader_stream *this, struct dbll_library_obj *lib; int status = 0; /* Success */ - DBC_REQUIRE(this != NULL); lib = pstream->lib; - DBC_REQUIRE(lib); - if (lib != NULL) { status = (*(lib->target_obj->attrs.fseek)) (lib->fp, (long)pos, SEEK_SET); @@ -986,10 +900,7 @@ static struct dynload_symbol *dbll_find_symbol(struct dynamic_loader_sym *this, struct dbll_sym_val *dbll_sym = NULL; bool status = false; /* Symbol not found yet */ - DBC_REQUIRE(this != NULL); lib = ldr_sym->lib; - DBC_REQUIRE(lib); - if (lib != NULL) { if (lib->target_obj->attrs.sym_lookup) { /* Check current lib + base lib + dep lib + @@ -1015,9 +926,6 @@ static struct dynload_symbol *dbll_find_symbol(struct dynamic_loader_sym *this, if (!status && gbl_search) dev_dbg(bridge, "%s: Symbol not found: %s\n", __func__, name); - DBC_ASSERT((status && (dbll_sym != NULL)) - || (!status && (dbll_sym == NULL))); - ret_sym = (struct dynload_symbol *)dbll_sym; return ret_sym; } @@ -1034,11 +942,7 @@ static struct dynload_symbol *find_in_symbol_table(struct dynamic_loader_sym struct dbll_library_obj *lib; struct dbll_symbol *sym; - DBC_REQUIRE(this != NULL); lib = ldr_sym->lib; - DBC_REQUIRE(lib); - DBC_REQUIRE(lib->sym_tab != NULL); - sym = (struct dbll_symbol *)gh_find(lib->sym_tab, (char *)name); ret_sym = (struct dynload_symbol *)&sym->value; @@ -1059,10 +963,7 @@ static struct dynload_symbol *dbll_add_to_symbol_table(struct dynamic_loader_sym struct dbll_library_obj *lib; struct dynload_symbol *ret; - DBC_REQUIRE(this != NULL); - DBC_REQUIRE(name); lib = ldr_sym->lib; - DBC_REQUIRE(lib); /* Check to see if symbol is already defined in symbol table */ if (!(lib->target_obj->attrs.base_image)) { @@ -1111,10 +1012,7 @@ static void dbll_purge_symbol_table(struct dynamic_loader_sym *this, struct ldr_symbol *ldr_sym = (struct ldr_symbol *)this; struct dbll_library_obj *lib; - DBC_REQUIRE(this != NULL); lib = ldr_sym->lib; - DBC_REQUIRE(lib); - /* May not need to do anything */ } @@ -1127,9 +1025,7 @@ static void *allocate(struct dynamic_loader_sym *this, unsigned memsize) struct dbll_library_obj *lib; void *buf; - DBC_REQUIRE(this != NULL); lib = ldr_sym->lib; - DBC_REQUIRE(lib); buf = kzalloc(memsize, GFP_KERNEL); @@ -1144,9 +1040,7 @@ static void deallocate(struct dynamic_loader_sym *this, void *mem_ptr) struct ldr_symbol *ldr_sym = (struct ldr_symbol *)this; struct dbll_library_obj *lib; - DBC_REQUIRE(this != NULL); lib = ldr_sym->lib; - DBC_REQUIRE(lib); kfree(mem_ptr); } @@ -1161,9 +1055,7 @@ static void dbll_err_report(struct dynamic_loader_sym *this, const char *errstr, struct dbll_library_obj *lib; char temp_buf[MAXEXPR]; - DBC_REQUIRE(this != NULL); lib = ldr_sym->lib; - DBC_REQUIRE(lib); vsnprintf((char *)temp_buf, MAXEXPR, (char *)errstr, args); dev_dbg(bridge, "%s\n", temp_buf); } @@ -1195,9 +1087,7 @@ static int dbll_rmm_alloc(struct dynamic_loader_allocate *this, u32 alloc_size = 0; u32 run_addr_flag = 0; - DBC_REQUIRE(this != NULL); lib = dbll_alloc_obj->lib; - DBC_REQUIRE(lib); mem_sect_type = (stype == DLOAD_TEXT) ? DBLL_CODE : (stype == @@ -1206,7 +1096,6 @@ static int dbll_rmm_alloc(struct dynamic_loader_allocate *this, /* Attempt to extract the segment ID and requirement information from the name of the section */ - DBC_REQUIRE(info->name); token_len = strlen((char *)(info->name)) + 1; sz_sect_name = kzalloc(token_len, GFP_KERNEL); @@ -1307,9 +1196,7 @@ static void rmm_dealloc(struct dynamic_loader_allocate *this, (stype == DLOAD_TEXT) ? DBLL_CODE : (stype == DLOAD_BSS) ? DBLL_BSS : DBLL_DATA; - DBC_REQUIRE(this != NULL); lib = dbll_alloc_obj->lib; - DBC_REQUIRE(lib); /* segid was set by alloc function */ segid = (u32) info->context; if (mem_sect_type == DBLL_CODE) @@ -1347,9 +1234,7 @@ static int read_mem(struct dynamic_loader_initialize *this, void *buf, struct dbll_library_obj *lib; int bytes_read = 0; - DBC_REQUIRE(this != NULL); lib = init_obj->lib; - DBC_REQUIRE(lib); /* Need bridge_brd_read function */ return bytes_read; } @@ -1368,7 +1253,6 @@ static int write_mem(struct dynamic_loader_initialize *this, void *buf, u32 mem_sect_type; bool ret = true; - DBC_REQUIRE(this != NULL); lib = init_obj->lib; if (!lib) return false; @@ -1415,7 +1299,6 @@ static int fill_mem(struct dynamic_loader_initialize *this, ldr_addr addr, struct dbll_library_obj *lib; struct dbll_init_obj *init_obj = (struct dbll_init_obj *)this; - DBC_REQUIRE(this != NULL); lib = init_obj->lib; pbuf = NULL; /* Pass the NULL pointer to write_mem to get the start address of Shared @@ -1439,9 +1322,7 @@ static int execute(struct dynamic_loader_initialize *this, ldr_addr start) struct dbll_library_obj *lib; bool ret = true; - DBC_REQUIRE(this != NULL); lib = init_obj->lib; - DBC_REQUIRE(lib); /* Save entry point */ if (lib != NULL) lib->entry = (u32) start; diff --git a/drivers/staging/tidspbridge/pmgr/dev.c b/drivers/staging/tidspbridge/pmgr/dev.c index 522810bc742..6234ffb5e8a 100644 --- a/drivers/staging/tidspbridge/pmgr/dev.c +++ b/drivers/staging/tidspbridge/pmgr/dev.c @@ -24,9 +24,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- Platform Manager */ #include <dspbridge/cod.h> #include <dspbridge/drv.h> @@ -84,9 +81,6 @@ struct drv_ext { char sz_string[MAXREGPATHLENGTH]; }; -/* ----------------------------------- Globals */ -static u32 refs; /* Module reference count */ - /* ----------------------------------- Function Prototypes */ static int fxn_not_implemented(int arg, ...); static int init_cod_mgr(struct dev_object *dev_obj); @@ -106,11 +100,8 @@ u32 dev_brd_write_fxn(void *arb, u32 dsp_add, void *host_buf, u32 ul_written = 0; int status; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(host_buf != NULL); /* Required of BrdWrite(). */ if (dev_obj) { /* Require of BrdWrite() */ - DBC_ASSERT(dev_obj->bridge_context != NULL); status = (*dev_obj->bridge_interface.brd_write) ( dev_obj->bridge_context, host_buf, dsp_add, ul_num_bytes, mem_space); @@ -143,9 +134,6 @@ int dev_create_device(struct dev_object **device_obj, struct drv_object *hdrv_obj = NULL; struct drv_data *drv_datap = dev_get_drvdata(bridge); int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(device_obj != NULL); - DBC_REQUIRE(driver_file_name != NULL); status = drv_request_bridge_res_dsp((void *)&host_res); @@ -169,7 +157,6 @@ int dev_create_device(struct dev_object **device_obj, /* Create the device object, and pass a handle to the Bridge driver for * storage. */ if (!status) { - DBC_ASSERT(drv_fxns); dev_obj = kzalloc(sizeof(struct dev_object), GFP_KERNEL); if (dev_obj) { /* Fill out the rest of the Dev Object structure: */ @@ -191,9 +178,6 @@ int dev_create_device(struct dev_object **device_obj, status = (dev_obj->bridge_interface.dev_create) (&dev_obj->bridge_context, dev_obj, host_res); - /* Assert bridge_dev_create()'s ensure clause: */ - DBC_ASSERT(status - || (dev_obj->bridge_context != NULL)); } else { status = -ENOMEM; } @@ -271,7 +255,6 @@ leave: *device_obj = NULL; } - DBC_ENSURE((!status && *device_obj) || (status && !*device_obj)); return status; } @@ -287,17 +270,11 @@ int dev_create2(struct dev_object *hdev_obj) int status = 0; struct dev_object *dev_obj = hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hdev_obj); - /* There can be only one Node Manager per DEV object */ - DBC_ASSERT(!dev_obj->node_mgr); status = node_create_mgr(&dev_obj->node_mgr, hdev_obj); if (status) dev_obj->node_mgr = NULL; - DBC_ENSURE((!status && dev_obj->node_mgr != NULL) - || (status && dev_obj->node_mgr == NULL)); return status; } @@ -311,9 +288,6 @@ int dev_destroy2(struct dev_object *hdev_obj) int status = 0; struct dev_object *dev_obj = hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hdev_obj); - if (dev_obj->node_mgr) { if (node_delete_mgr(dev_obj->node_mgr)) status = -EPERM; @@ -322,7 +296,6 @@ int dev_destroy2(struct dev_object *hdev_obj) } - DBC_ENSURE((!status && dev_obj->node_mgr == NULL) || status); return status; } @@ -337,8 +310,6 @@ int dev_destroy_device(struct dev_object *hdev_obj) int status = 0; struct dev_object *dev_obj = hdev_obj; - DBC_REQUIRE(refs > 0); - if (hdev_obj) { if (dev_obj->cod_mgr) { cod_delete(dev_obj->cod_mgr); @@ -415,9 +386,6 @@ int dev_get_chnl_mgr(struct dev_object *hdev_obj, int status = 0; struct dev_object *dev_obj = hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(mgr != NULL); - if (hdev_obj) { *mgr = dev_obj->chnl_mgr; } else { @@ -425,7 +393,6 @@ int dev_get_chnl_mgr(struct dev_object *hdev_obj, status = -EFAULT; } - DBC_ENSURE(!status || (mgr != NULL && *mgr == NULL)); return status; } @@ -441,9 +408,6 @@ int dev_get_cmm_mgr(struct dev_object *hdev_obj, int status = 0; struct dev_object *dev_obj = hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(mgr != NULL); - if (hdev_obj) { *mgr = dev_obj->cmm_mgr; } else { @@ -451,7 +415,6 @@ int dev_get_cmm_mgr(struct dev_object *hdev_obj, status = -EFAULT; } - DBC_ENSURE(!status || (mgr != NULL && *mgr == NULL)); return status; } @@ -467,9 +430,6 @@ int dev_get_dmm_mgr(struct dev_object *hdev_obj, int status = 0; struct dev_object *dev_obj = hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(mgr != NULL); - if (hdev_obj) { *mgr = dev_obj->dmm_mgr; } else { @@ -477,7 +437,6 @@ int dev_get_dmm_mgr(struct dev_object *hdev_obj, status = -EFAULT; } - DBC_ENSURE(!status || (mgr != NULL && *mgr == NULL)); return status; } @@ -492,9 +451,6 @@ int dev_get_cod_mgr(struct dev_object *hdev_obj, int status = 0; struct dev_object *dev_obj = hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(cod_mgr != NULL); - if (hdev_obj) { *cod_mgr = dev_obj->cod_mgr; } else { @@ -502,7 +458,6 @@ int dev_get_cod_mgr(struct dev_object *hdev_obj, status = -EFAULT; } - DBC_ENSURE(!status || (cod_mgr != NULL && *cod_mgr == NULL)); return status; } @@ -514,9 +469,6 @@ int dev_get_deh_mgr(struct dev_object *hdev_obj, { int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(deh_manager != NULL); - DBC_REQUIRE(hdev_obj); if (hdev_obj) { *deh_manager = hdev_obj->deh_mgr; } else { @@ -537,9 +489,6 @@ int dev_get_dev_node(struct dev_object *hdev_obj, int status = 0; struct dev_object *dev_obj = hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(dev_nde != NULL); - if (hdev_obj) { *dev_nde = dev_obj->dev_node_obj; } else { @@ -547,7 +496,6 @@ int dev_get_dev_node(struct dev_object *hdev_obj, status = -EFAULT; } - DBC_ENSURE(!status || (dev_nde != NULL && *dev_nde == NULL)); return status; } @@ -578,9 +526,6 @@ int dev_get_intf_fxns(struct dev_object *hdev_obj, int status = 0; struct dev_object *dev_obj = hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(if_fxns != NULL); - if (hdev_obj) { *if_fxns = &dev_obj->bridge_interface; } else { @@ -588,7 +533,6 @@ int dev_get_intf_fxns(struct dev_object *hdev_obj, status = -EFAULT; } - DBC_ENSURE(!status || ((if_fxns != NULL) && (*if_fxns == NULL))); return status; } @@ -600,10 +544,6 @@ int dev_get_io_mgr(struct dev_object *hdev_obj, { int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(io_man != NULL); - DBC_REQUIRE(hdev_obj); - if (hdev_obj) { *io_man = hdev_obj->iomgr; } else { @@ -638,10 +578,6 @@ struct dev_object *dev_get_next(struct dev_object *hdev_obj) */ void dev_get_msg_mgr(struct dev_object *hdev_obj, struct msg_mgr **msg_man) { - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(msg_man != NULL); - DBC_REQUIRE(hdev_obj); - *msg_man = hdev_obj->msg_mgr; } @@ -656,9 +592,6 @@ int dev_get_node_manager(struct dev_object *hdev_obj, int status = 0; struct dev_object *dev_obj = hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(node_man != NULL); - if (hdev_obj) { *node_man = dev_obj->node_mgr; } else { @@ -666,7 +599,6 @@ int dev_get_node_manager(struct dev_object *hdev_obj, status = -EFAULT; } - DBC_ENSURE(!status || (node_man != NULL && *node_man == NULL)); return status; } @@ -679,9 +611,6 @@ int dev_get_symbol(struct dev_object *hdev_obj, int status = 0; struct cod_manager *cod_mgr; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(str_sym != NULL && pul_value != NULL); - if (hdev_obj) { status = dev_get_cod_mgr(hdev_obj, &cod_mgr); if (cod_mgr) @@ -706,9 +635,6 @@ int dev_get_bridge_context(struct dev_object *hdev_obj, int status = 0; struct dev_object *dev_obj = hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(phbridge_context != NULL); - if (hdev_obj) { *phbridge_context = dev_obj->bridge_context; } else { @@ -716,67 +642,10 @@ int dev_get_bridge_context(struct dev_object *hdev_obj, status = -EFAULT; } - DBC_ENSURE(!status || ((phbridge_context != NULL) && - (*phbridge_context == NULL))); return status; } /* - * ======== dev_exit ======== - * Purpose: - * Decrement reference count, and free resources when reference count is - * 0. - */ -void dev_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; - - if (refs == 0) { - cmm_exit(); - dmm_exit(); - } - - DBC_ENSURE(refs >= 0); -} - -/* - * ======== dev_init ======== - * Purpose: - * Initialize DEV's private state, keeping a reference count on each call. - */ -bool dev_init(void) -{ - bool cmm_ret, dmm_ret, ret = true; - - DBC_REQUIRE(refs >= 0); - - if (refs == 0) { - cmm_ret = cmm_init(); - dmm_ret = dmm_init(); - - ret = cmm_ret && dmm_ret; - - if (!ret) { - if (cmm_ret) - cmm_exit(); - - if (dmm_ret) - dmm_exit(); - - } - } - - if (ret) - refs++; - - DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0))); - - return ret; -} - -/* * ======== dev_notify_clients ======== * Purpose: * Notify all clients of this device of a change in device status. @@ -841,14 +710,11 @@ int dev_set_chnl_mgr(struct dev_object *hdev_obj, int status = 0; struct dev_object *dev_obj = hdev_obj; - DBC_REQUIRE(refs > 0); - if (hdev_obj) dev_obj->chnl_mgr = hmgr; else status = -EFAULT; - DBC_ENSURE(status || (dev_obj->chnl_mgr == hmgr)); return status; } @@ -859,9 +725,6 @@ int dev_set_chnl_mgr(struct dev_object *hdev_obj, */ void dev_set_msg_mgr(struct dev_object *hdev_obj, struct msg_mgr *hmgr) { - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hdev_obj); - hdev_obj->msg_mgr = hmgr; } @@ -879,8 +742,6 @@ int dev_start_device(struct cfg_devnode *dev_node_obj) struct mgr_object *hmgr_obj = NULL; struct drv_data *drv_datap = dev_get_drvdata(bridge); - DBC_REQUIRE(refs > 0); - /* Given all resources, create a device object. */ status = dev_create_device(&hdev_obj, bridge_file_name, dev_node_obj); @@ -944,9 +805,6 @@ static int init_cod_mgr(struct dev_object *dev_obj) int status = 0; char *sz_dummy_file = "dummy"; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(!dev_obj || (dev_obj->cod_mgr == NULL)); - status = cod_create(&dev_obj->cod_mgr, sz_dummy_file); return status; @@ -976,10 +834,6 @@ int dev_insert_proc_object(struct dev_object *hdev_obj, { struct dev_object *dev_obj = (struct dev_object *)hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(dev_obj); - DBC_REQUIRE(proc_obj != 0); - DBC_REQUIRE(already_attached != NULL); if (!list_empty(&dev_obj->proc_list)) *already_attached = true; @@ -1017,10 +871,6 @@ int dev_remove_proc_object(struct dev_object *hdev_obj, u32 proc_obj) struct list_head *cur_elem; struct dev_object *dev_obj = (struct dev_object *)hdev_obj; - DBC_REQUIRE(dev_obj); - DBC_REQUIRE(proc_obj != 0); - DBC_REQUIRE(!list_empty(&dev_obj->proc_list)); - /* Search list for dev_obj: */ list_for_each(cur_elem, &dev_obj->proc_list) { if ((u32) cur_elem == proc_obj) { @@ -1069,10 +919,6 @@ static void store_interface_fxns(struct bridge_drv_interface *drv_fxns, (intf_fxns->pfn = ((drv_fxns->pfn != NULL) ? drv_fxns->pfn : \ (cast)fxn_not_implemented)) - DBC_REQUIRE(intf_fxns != NULL); - DBC_REQUIRE(drv_fxns != NULL); - DBC_REQUIRE(MAKEVERSION(drv_fxns->brd_api_major_version, - drv_fxns->brd_api_minor_version) <= BRD_API_VERSION); bridge_version = MAKEVERSION(drv_fxns->brd_api_major_version, drv_fxns->brd_api_minor_version); intf_fxns->brd_api_major_version = drv_fxns->brd_api_major_version; @@ -1119,33 +965,5 @@ static void store_interface_fxns(struct bridge_drv_interface *drv_fxns, STORE_FXN(fxn_msg_setqueueid, msg_set_queue_id); } /* Add code for any additional functions in newerBridge versions here */ - /* Ensure postcondition: */ - DBC_ENSURE(intf_fxns->dev_create != NULL); - DBC_ENSURE(intf_fxns->dev_destroy != NULL); - DBC_ENSURE(intf_fxns->dev_cntrl != NULL); - DBC_ENSURE(intf_fxns->brd_monitor != NULL); - DBC_ENSURE(intf_fxns->brd_start != NULL); - DBC_ENSURE(intf_fxns->brd_stop != NULL); - DBC_ENSURE(intf_fxns->brd_status != NULL); - DBC_ENSURE(intf_fxns->brd_read != NULL); - DBC_ENSURE(intf_fxns->brd_write != NULL); - DBC_ENSURE(intf_fxns->chnl_create != NULL); - DBC_ENSURE(intf_fxns->chnl_destroy != NULL); - DBC_ENSURE(intf_fxns->chnl_open != NULL); - DBC_ENSURE(intf_fxns->chnl_close != NULL); - DBC_ENSURE(intf_fxns->chnl_add_io_req != NULL); - DBC_ENSURE(intf_fxns->chnl_get_ioc != NULL); - DBC_ENSURE(intf_fxns->chnl_cancel_io != NULL); - DBC_ENSURE(intf_fxns->chnl_flush_io != NULL); - DBC_ENSURE(intf_fxns->chnl_get_info != NULL); - DBC_ENSURE(intf_fxns->chnl_get_mgr_info != NULL); - DBC_ENSURE(intf_fxns->chnl_idle != NULL); - DBC_ENSURE(intf_fxns->chnl_register_notify != NULL); - DBC_ENSURE(intf_fxns->io_create != NULL); - DBC_ENSURE(intf_fxns->io_destroy != NULL); - DBC_ENSURE(intf_fxns->io_on_loaded != NULL); - DBC_ENSURE(intf_fxns->io_get_proc_load != NULL); - DBC_ENSURE(intf_fxns->msg_set_queue_id != NULL); - #undef STORE_FXN } diff --git a/drivers/staging/tidspbridge/pmgr/dmm.c b/drivers/staging/tidspbridge/pmgr/dmm.c index 8685233d762..7c9f8391606 100644 --- a/drivers/staging/tidspbridge/pmgr/dmm.c +++ b/drivers/staging/tidspbridge/pmgr/dmm.c @@ -28,9 +28,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/sync.h> @@ -54,8 +51,6 @@ struct dmm_object { spinlock_t dmm_lock; /* Lock to access dmm mgr */ }; -/* ----------------------------------- Globals */ -static u32 refs; /* module reference count */ struct map_page { u32 region_size:15; u32 mapped_size:15; @@ -123,8 +118,6 @@ int dmm_create(struct dmm_object **dmm_manager, { struct dmm_object *dmm_obj = NULL; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(dmm_manager != NULL); *dmm_manager = NULL; /* create, zero, and tag a cmm mgr object */ @@ -149,7 +142,6 @@ int dmm_destroy(struct dmm_object *dmm_mgr) struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; int status = 0; - DBC_REQUIRE(refs > 0); if (dmm_mgr) { status = dmm_delete_tables(dmm_obj); if (!status) @@ -169,7 +161,6 @@ int dmm_delete_tables(struct dmm_object *dmm_mgr) { int status = 0; - DBC_REQUIRE(refs > 0); /* Delete all DMM tables */ if (dmm_mgr) vfree(virtual_mapping_table); @@ -179,19 +170,6 @@ int dmm_delete_tables(struct dmm_object *dmm_mgr) } /* - * ======== dmm_exit ======== - * Purpose: - * Discontinue usage of module; free resources when reference count - * reaches 0. - */ -void dmm_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; -} - -/* * ======== dmm_get_handle ======== * Purpose: * Return the dynamic memory manager object for this device. @@ -202,8 +180,6 @@ int dmm_get_handle(void *hprocessor, struct dmm_object **dmm_manager) int status = 0; struct dev_object *hdev_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(dmm_manager != NULL); if (hprocessor != NULL) status = proc_get_dev_object(hprocessor, &hdev_obj); else @@ -216,28 +192,6 @@ int dmm_get_handle(void *hprocessor, struct dmm_object **dmm_manager) } /* - * ======== dmm_init ======== - * Purpose: - * Initializes private state of DMM module. - */ -bool dmm_init(void) -{ - bool ret = true; - - DBC_REQUIRE(refs >= 0); - - if (ret) - refs++; - - DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0))); - - virtual_mapping_table = NULL; - table_size = 0; - - return ret; -} - -/* * ======== dmm_map_memory ======== * Purpose: * Add a mapping block to the reserved chunk. DMM assumes that this block diff --git a/drivers/staging/tidspbridge/pmgr/dspapi.c b/drivers/staging/tidspbridge/pmgr/dspapi.c index 767ffe270ed..9ef1ad9527a 100644 --- a/drivers/staging/tidspbridge/pmgr/dspapi.c +++ b/drivers/staging/tidspbridge/pmgr/dspapi.c @@ -24,9 +24,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/ntfy.h> @@ -266,25 +263,10 @@ err: */ void api_exit(void) { - DBC_REQUIRE(api_c_refs > 0); api_c_refs--; - if (api_c_refs == 0) { - /* Release all modules initialized in api_init(). */ - cod_exit(); - dev_exit(); - chnl_exit(); - msg_exit(); - io_exit(); - strm_exit(); - disp_exit(); - node_exit(); - proc_exit(); + if (api_c_refs == 0) mgr_exit(); - rmm_exit(); - drv_exit(); - } - DBC_ENSURE(api_c_refs >= 0); } /* @@ -295,64 +277,10 @@ void api_exit(void) bool api_init(void) { bool ret = true; - bool fdrv, fdev, fcod, fchnl, fmsg, fio; - bool fmgr, fproc, fnode, fdisp, fstrm, frmm; - - if (api_c_refs == 0) { - /* initialize driver and other modules */ - fdrv = drv_init(); - fmgr = mgr_init(); - fproc = proc_init(); - fnode = node_init(); - fdisp = disp_init(); - fstrm = strm_init(); - frmm = rmm_init(); - fchnl = chnl_init(); - fmsg = msg_mod_init(); - fio = io_init(); - fdev = dev_init(); - fcod = cod_init(); - ret = fdrv && fdev && fchnl && fcod && fmsg && fio; - ret = ret && fmgr && fproc && frmm; - if (!ret) { - if (fdrv) - drv_exit(); - - if (fmgr) - mgr_exit(); - - if (fstrm) - strm_exit(); - - if (fproc) - proc_exit(); - - if (fnode) - node_exit(); - - if (fdisp) - disp_exit(); - - if (fchnl) - chnl_exit(); - - if (fmsg) - msg_exit(); - - if (fio) - io_exit(); - - if (fdev) - dev_exit(); - - if (fcod) - cod_exit(); - - if (frmm) - rmm_exit(); - } - } + if (api_c_refs == 0) + ret = mgr_init(); + if (ret) api_c_refs++; @@ -382,8 +310,6 @@ int api_init_complete2(void) struct drv_data *drv_datap; u8 dev_type; - DBC_REQUIRE(api_c_refs > 0); - /* Walk the list of DevObjects, get each devnode, and attempting to * autostart the board. Note that this requires COF loading, which * requires KFILE. */ diff --git a/drivers/staging/tidspbridge/pmgr/io.c b/drivers/staging/tidspbridge/pmgr/io.c index 65245f310f8..4073c9c672f 100644 --- a/drivers/staging/tidspbridge/pmgr/io.c +++ b/drivers/staging/tidspbridge/pmgr/io.c @@ -23,9 +23,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- Platform Manager */ #include <dspbridge/dev.h> @@ -33,9 +30,6 @@ #include <ioobj.h> #include <dspbridge/io.h> -/* ----------------------------------- Globals */ -static u32 refs; - /* * ======== io_create ======== * Purpose: @@ -50,10 +44,6 @@ int io_create(struct io_mgr **io_man, struct dev_object *hdev_obj, struct io_mgr_ *pio_mgr = NULL; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(io_man != NULL); - DBC_REQUIRE(mgr_attrts != NULL); - *io_man = NULL; /* A memory base of 0 implies no memory base: */ @@ -94,8 +84,6 @@ int io_destroy(struct io_mgr *hio_mgr) struct io_mgr_ *pio_mgr = (struct io_mgr_ *)hio_mgr; int status; - DBC_REQUIRE(refs > 0); - intf_fxns = pio_mgr->intf_fxns; /* Let Bridge channel module destroy the io_mgr: */ @@ -103,36 +91,3 @@ int io_destroy(struct io_mgr *hio_mgr) return status; } - -/* - * ======== io_exit ======== - * Purpose: - * Discontinue usage of the IO module. - */ -void io_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; - - DBC_ENSURE(refs >= 0); -} - -/* - * ======== io_init ======== - * Purpose: - * Initialize the IO module's private state. - */ -bool io_init(void) -{ - bool ret = true; - - DBC_REQUIRE(refs >= 0); - - if (ret) - refs++; - - DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0))); - - return ret; -} diff --git a/drivers/staging/tidspbridge/pmgr/msg.c b/drivers/staging/tidspbridge/pmgr/msg.c index a6916039eed..f093cfb51c0 100644 --- a/drivers/staging/tidspbridge/pmgr/msg.c +++ b/drivers/staging/tidspbridge/pmgr/msg.c @@ -23,9 +23,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- Bridge Driver */ #include <dspbridge/dspdefs.h> @@ -36,9 +33,6 @@ #include <msgobj.h> #include <dspbridge/msg.h> -/* ----------------------------------- Globals */ -static u32 refs; /* module reference count */ - /* * ======== msg_create ======== * Purpose: @@ -53,11 +47,6 @@ int msg_create(struct msg_mgr **msg_man, struct msg_mgr *hmsg_mgr; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(msg_man != NULL); - DBC_REQUIRE(msg_callback != NULL); - DBC_REQUIRE(hdev_obj != NULL); - *msg_man = NULL; dev_get_intf_fxns(hdev_obj, &intf_fxns); @@ -90,8 +79,6 @@ void msg_delete(struct msg_mgr *hmsg_mgr) struct msg_mgr_ *msg_mgr_obj = (struct msg_mgr_ *)hmsg_mgr; struct bridge_drv_interface *intf_fxns; - DBC_REQUIRE(refs > 0); - if (msg_mgr_obj) { intf_fxns = msg_mgr_obj->intf_fxns; @@ -102,28 +89,3 @@ void msg_delete(struct msg_mgr *hmsg_mgr) __func__, hmsg_mgr); } } - -/* - * ======== msg_exit ======== - */ -void msg_exit(void) -{ - DBC_REQUIRE(refs > 0); - refs--; - - DBC_ENSURE(refs >= 0); -} - -/* - * ======== msg_mod_init ======== - */ -bool msg_mod_init(void) -{ - DBC_REQUIRE(refs >= 0); - - refs++; - - DBC_ENSURE(refs >= 0); - - return true; -} diff --git a/drivers/staging/tidspbridge/rmgr/dbdcd.c b/drivers/staging/tidspbridge/rmgr/dbdcd.c index fda240214cd..12a1d34b395 100644 --- a/drivers/staging/tidspbridge/rmgr/dbdcd.c +++ b/drivers/staging/tidspbridge/rmgr/dbdcd.c @@ -29,8 +29,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> /* ----------------------------------- Platform Manager */ #include <dspbridge/cod.h> @@ -85,8 +83,6 @@ int dcd_auto_register(struct dcd_manager *hdcd_mgr, { int status = 0; - DBC_REQUIRE(refs > 0); - if (hdcd_mgr) status = dcd_get_objects(hdcd_mgr, sz_coff_path, (dcd_registerfxn) dcd_register_object, @@ -107,8 +103,6 @@ int dcd_auto_unregister(struct dcd_manager *hdcd_mgr, { int status = 0; - DBC_REQUIRE(refs > 0); - if (hdcd_mgr) status = dcd_get_objects(hdcd_mgr, sz_coff_path, (dcd_registerfxn) dcd_register_object, @@ -131,9 +125,6 @@ int dcd_create_manager(char *sz_zl_dll_name, struct dcd_manager *dcd_mgr_obj = NULL; /* DCD Manager pointer */ int status = 0; - DBC_REQUIRE(refs >= 0); - DBC_REQUIRE(dcd_mgr); - status = cod_create(&cod_mgr, sz_zl_dll_name); if (status) goto func_end; @@ -156,9 +147,6 @@ int dcd_create_manager(char *sz_zl_dll_name, cod_delete(cod_mgr); } - DBC_ENSURE((!status) || - ((dcd_mgr_obj == NULL) && (status == -ENOMEM))); - func_end: return status; } @@ -173,8 +161,6 @@ int dcd_destroy_manager(struct dcd_manager *hdcd_mgr) struct dcd_manager *dcd_mgr_obj = hdcd_mgr; int status = -EFAULT; - DBC_REQUIRE(refs >= 0); - if (hdcd_mgr) { /* Delete the COD manager. */ cod_delete(dcd_mgr_obj->cod_mgr); @@ -205,10 +191,6 @@ int dcd_enumerate_object(s32 index, enum dsp_dcdobjtype obj_type, struct dcd_key_elem *dcd_key; int len; - DBC_REQUIRE(refs >= 0); - DBC_REQUIRE(index >= 0); - DBC_REQUIRE(uuid_obj != NULL); - if ((index != 0) && (enum_refs == 0)) { /* * If an enumeration is being performed on an index greater @@ -222,7 +204,6 @@ int dcd_enumerate_object(s32 index, enum dsp_dcdobjtype obj_type, * "_\0" + length of sz_obj_type string + terminating NULL. */ dw_key_len = strlen(DCD_REGKEY) + 1 + sizeof(sz_obj_type) + 1; - DBC_ASSERT(dw_key_len < DCD_MAXPATHLENGTH); /* Create proper REG key; concatenate DCD_REGKEY with * obj_type. */ @@ -294,8 +275,6 @@ int dcd_enumerate_object(s32 index, enum dsp_dcdobjtype obj_type, } } - DBC_ENSURE(uuid_obj || (status == -EPERM)); - return status; } @@ -307,11 +286,9 @@ int dcd_enumerate_object(s32 index, enum dsp_dcdobjtype obj_type, void dcd_exit(void) { struct dcd_key_elem *rv, *rv_tmp; - DBC_REQUIRE(refs > 0); refs--; if (refs == 0) { - cod_exit(); list_for_each_entry_safe(rv, rv_tmp, ®_key_list, link) { list_del(&rv->link); kfree(rv->path); @@ -319,7 +296,6 @@ void dcd_exit(void) } } - DBC_ENSURE(refs >= 0); } /* @@ -333,12 +309,6 @@ int dcd_get_dep_libs(struct dcd_manager *hdcd_mgr, { int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hdcd_mgr); - DBC_REQUIRE(uuid_obj != NULL); - DBC_REQUIRE(dep_lib_uuids != NULL); - DBC_REQUIRE(prstnt_dep_libs != NULL); - status = get_dep_lib_info(hdcd_mgr, uuid_obj, &num_libs, NULL, dep_lib_uuids, prstnt_dep_libs, phase); @@ -356,12 +326,6 @@ int dcd_get_num_dep_libs(struct dcd_manager *hdcd_mgr, { int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hdcd_mgr); - DBC_REQUIRE(num_libs != NULL); - DBC_REQUIRE(num_pers_libs != NULL); - DBC_REQUIRE(uuid_obj != NULL); - status = get_dep_lib_info(hdcd_mgr, uuid_obj, num_libs, num_pers_libs, NULL, NULL, phase); @@ -393,10 +357,6 @@ int dcd_get_object_def(struct dcd_manager *hdcd_mgr, u32 dw_key_len; /* Len of REG key. */ char sz_obj_type[MAX_INT2CHAR_LENGTH]; /* str. rep. of obj_type. */ - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(obj_def != NULL); - DBC_REQUIRE(obj_uuid != NULL); - sz_uuid = kzalloc(MAXUUIDLEN, GFP_KERNEL); if (!sz_uuid) { status = -ENOMEM; @@ -411,7 +371,6 @@ int dcd_get_object_def(struct dcd_manager *hdcd_mgr, /* Pre-determine final key length. It's length of DCD_REGKEY + * "_\0" + length of sz_obj_type string + terminating NULL */ dw_key_len = strlen(DCD_REGKEY) + 1 + sizeof(sz_obj_type) + 1; - DBC_ASSERT(dw_key_len < DCD_MAXPATHLENGTH); /* Create proper REG key; concatenate DCD_REGKEY with obj_type. */ strncpy(sz_reg_key, DCD_REGKEY, strlen(DCD_REGKEY) + 1); @@ -470,7 +429,6 @@ int dcd_get_object_def(struct dcd_manager *hdcd_mgr, } /* Ensure sz_uuid + 1 is not greater than sizeof sz_sect_name. */ - DBC_ASSERT((strlen(sz_uuid) + 1) < sizeof(sz_sect_name)); /* Create section name based on node UUID. A period is * pre-pended to the UUID string to form the section name. @@ -553,7 +511,6 @@ int dcd_get_objects(struct dcd_manager *hdcd_mgr, struct dsp_uuid dsp_uuid_obj; s32 object_type; - DBC_REQUIRE(refs > 0); if (!hdcd_mgr) { status = -EFAULT; goto func_end; @@ -663,11 +620,6 @@ int dcd_get_library_name(struct dcd_manager *hdcd_mgr, int status = 0; struct dcd_key_elem *dcd_key = NULL; - DBC_REQUIRE(uuid_obj != NULL); - DBC_REQUIRE(str_lib_name != NULL); - DBC_REQUIRE(buff_size != NULL); - DBC_REQUIRE(hdcd_mgr); - dev_dbg(bridge, "%s: hdcd_mgr %p, uuid_obj %p, str_lib_name %p," " buff_size %p\n", __func__, hdcd_mgr, uuid_obj, str_lib_name, buff_size); @@ -677,7 +629,6 @@ int dcd_get_library_name(struct dcd_manager *hdcd_mgr, * "_\0" + length of sz_obj_type string + terminating NULL. */ dw_key_len = strlen(DCD_REGKEY) + 1 + sizeof(sz_obj_type) + 1; - DBC_ASSERT(dw_key_len < DCD_MAXPATHLENGTH); /* Create proper REG key; concatenate DCD_REGKEY with obj_type. */ strncpy(sz_reg_key, DCD_REGKEY, strlen(DCD_REGKEY) + 1); @@ -705,7 +656,6 @@ int dcd_get_library_name(struct dcd_manager *hdcd_mgr, break; default: status = -EINVAL; - DBC_ASSERT(false); } if (!status) { if ((strlen(sz_reg_key) + strlen(sz_obj_type)) < @@ -787,30 +737,14 @@ int dcd_get_library_name(struct dcd_manager *hdcd_mgr, */ bool dcd_init(void) { - bool init_cod; bool ret = true; - DBC_REQUIRE(refs >= 0); - - if (refs == 0) { - /* Initialize required modules. */ - init_cod = cod_init(); - - if (!init_cod) { - ret = false; - /* Exit initialized modules. */ - if (init_cod) - cod_exit(); - } - + if (refs == 0) INIT_LIST_HEAD(®_key_list); - } if (ret) refs++; - DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs == 0))); - return ret; } @@ -832,15 +766,6 @@ int dcd_register_object(struct dsp_uuid *uuid_obj, char sz_obj_type[MAX_INT2CHAR_LENGTH]; /* str. rep. of obj_type. */ struct dcd_key_elem *dcd_key = NULL; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(uuid_obj != NULL); - DBC_REQUIRE((obj_type == DSP_DCDNODETYPE) || - (obj_type == DSP_DCDPROCESSORTYPE) || - (obj_type == DSP_DCDLIBRARYTYPE) || - (obj_type == DSP_DCDCREATELIBTYPE) || - (obj_type == DSP_DCDEXECUTELIBTYPE) || - (obj_type == DSP_DCDDELETELIBTYPE)); - dev_dbg(bridge, "%s: object UUID %p, obj_type %d, szPathName %s\n", __func__, uuid_obj, obj_type, psz_path_name); @@ -849,7 +774,6 @@ int dcd_register_object(struct dsp_uuid *uuid_obj, * "_\0" + length of sz_obj_type string + terminating NULL. */ dw_key_len = strlen(DCD_REGKEY) + 1 + sizeof(sz_obj_type) + 1; - DBC_ASSERT(dw_key_len < DCD_MAXPATHLENGTH); /* Create proper REG key; concatenate DCD_REGKEY with obj_type. */ strncpy(sz_reg_key, DCD_REGKEY, strlen(DCD_REGKEY) + 1); @@ -987,15 +911,6 @@ int dcd_unregister_object(struct dsp_uuid *uuid_obj, { int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(uuid_obj != NULL); - DBC_REQUIRE((obj_type == DSP_DCDNODETYPE) || - (obj_type == DSP_DCDPROCESSORTYPE) || - (obj_type == DSP_DCDLIBRARYTYPE) || - (obj_type == DSP_DCDCREATELIBTYPE) || - (obj_type == DSP_DCDEXECUTELIBTYPE) || - (obj_type == DSP_DCDDELETELIBTYPE)); - /* * When dcd_register_object is called with NULL as pathname, * it indicates an unregister object operation. @@ -1055,12 +970,6 @@ static int get_attrs_from_buf(char *psz_buf, u32 ul_buf_size, s32 entry_id; #endif - DBC_REQUIRE(psz_buf != NULL); - DBC_REQUIRE(ul_buf_size != 0); - DBC_REQUIRE((obj_type == DSP_DCDNODETYPE) - || (obj_type == DSP_DCDPROCESSORTYPE)); - DBC_REQUIRE(gen_obj != NULL); - switch (obj_type) { case DSP_DCDNODETYPE: /* @@ -1082,7 +991,6 @@ static int get_attrs_from_buf(char *psz_buf, u32 ul_buf_size, token = strsep(&psz_cur, seps); /* ac_name */ - DBC_REQUIRE(token); token_len = strlen(token); if (token_len > DSP_MAXNAMELEN - 1) token_len = DSP_MAXNAMELEN - 1; @@ -1167,7 +1075,6 @@ static int get_attrs_from_buf(char *psz_buf, u32 ul_buf_size, token = strsep(&psz_cur, seps); /* char *str_create_phase_fxn */ - DBC_REQUIRE(token); token_len = strlen(token); gen_obj->obj_data.node_obj.str_create_phase_fxn = kzalloc(token_len + 1, GFP_KERNEL); @@ -1178,7 +1085,6 @@ static int get_attrs_from_buf(char *psz_buf, u32 ul_buf_size, token = strsep(&psz_cur, seps); /* char *str_execute_phase_fxn */ - DBC_REQUIRE(token); token_len = strlen(token); gen_obj->obj_data.node_obj.str_execute_phase_fxn = kzalloc(token_len + 1, GFP_KERNEL); @@ -1189,7 +1095,6 @@ static int get_attrs_from_buf(char *psz_buf, u32 ul_buf_size, token = strsep(&psz_cur, seps); /* char *str_delete_phase_fxn */ - DBC_REQUIRE(token); token_len = strlen(token); gen_obj->obj_data.node_obj.str_delete_phase_fxn = kzalloc(token_len + 1, GFP_KERNEL); @@ -1421,12 +1326,6 @@ static int get_dep_lib_info(struct dcd_manager *hdcd_mgr, u16 dep_libs = 0; int status = 0; - DBC_REQUIRE(refs > 0); - - DBC_REQUIRE(hdcd_mgr); - DBC_REQUIRE(num_libs != NULL); - DBC_REQUIRE(uuid_obj != NULL); - /* Initialize to 0 dependent libraries, if only counting number of * dependent libraries */ if (!get_uuids) { diff --git a/drivers/staging/tidspbridge/rmgr/disp.c b/drivers/staging/tidspbridge/rmgr/disp.c index a9aa22f3b4f..4af51b75aea 100644 --- a/drivers/staging/tidspbridge/rmgr/disp.c +++ b/drivers/staging/tidspbridge/rmgr/disp.c @@ -24,9 +24,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/sync.h> @@ -72,8 +69,6 @@ struct disp_object { u32 data_mau_size; /* Size of DSP Data MAU */ }; -static u32 refs; - static void delete_disp(struct disp_object *disp_obj); static int fill_stream_def(rms_word *pdw_buf, u32 *ptotal, u32 offset, struct node_strmdef strm_def, u32 max, @@ -96,11 +91,6 @@ int disp_create(struct disp_object **dispatch_obj, int status = 0; u8 dev_type; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(dispatch_obj != NULL); - DBC_REQUIRE(disp_attrs != NULL); - DBC_REQUIRE(hdev_obj != NULL); - *dispatch_obj = NULL; /* Allocate Node Dispatcher object */ @@ -168,8 +158,6 @@ func_cont: else delete_disp(disp_obj); - DBC_ENSURE((status && *dispatch_obj == NULL) || - (!status && *dispatch_obj)); return status; } @@ -179,43 +167,10 @@ func_cont: */ void disp_delete(struct disp_object *disp_obj) { - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(disp_obj); - delete_disp(disp_obj); } /* - * ======== disp_exit ======== - * Discontinue usage of DISP module. - */ -void disp_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; - - DBC_ENSURE(refs >= 0); -} - -/* - * ======== disp_init ======== - * Initialize the DISP module. - */ -bool disp_init(void) -{ - bool ret = true; - - DBC_REQUIRE(refs >= 0); - - if (ret) - refs++; - - DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0))); - return ret; -} - -/* * ======== disp_node_change_priority ======== * Change the priority of a node currently running on the target. */ @@ -227,10 +182,6 @@ int disp_node_change_priority(struct disp_object *disp_obj, struct rms_command *rms_cmd; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(disp_obj); - DBC_REQUIRE(hnode != NULL); - /* Send message to RMS to change priority */ rms_cmd = (struct rms_command *)(disp_obj->buf); rms_cmd->fxn = (rms_word) (rms_fxn); @@ -276,12 +227,6 @@ int disp_node_create(struct disp_object *disp_obj, struct dsp_nodeinfo node_info; u8 dev_type; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(disp_obj); - DBC_REQUIRE(hnode != NULL); - DBC_REQUIRE(node_get_type(hnode) != NODE_DEVICE); - DBC_REQUIRE(node_env != NULL); - status = dev_get_dev_type(disp_obj->dev_obj, &dev_type); if (status) @@ -292,11 +237,9 @@ int disp_node_create(struct disp_object *disp_obj, __func__, dev_type); goto func_end; } - DBC_REQUIRE(pargs != NULL); node_type = node_get_type(hnode); node_msg_args = pargs->asa.node_msg_args; max = disp_obj->bufsize_rms; /*Max # of RMS words that can be sent */ - DBC_ASSERT(max == RMS_COMMANDBUFSIZE); chars_in_rms_word = sizeof(rms_word) / disp_obj->char_size; /* Number of RMS words needed to hold arg data */ dw_length = @@ -457,7 +400,6 @@ int disp_node_create(struct disp_object *disp_obj, } if (!status) { ul_bytes = total * sizeof(rms_word); - DBC_ASSERT(ul_bytes < (RMS_COMMANDBUFSIZE * sizeof(rms_word))); status = send_message(disp_obj, node_get_timeout(hnode), ul_bytes, node_env); } @@ -480,10 +422,6 @@ int disp_node_delete(struct disp_object *disp_obj, int status = 0; u8 dev_type; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(disp_obj); - DBC_REQUIRE(hnode != NULL); - status = dev_get_dev_type(disp_obj->dev_obj, &dev_type); if (!status) { @@ -521,9 +459,6 @@ int disp_node_run(struct disp_object *disp_obj, struct rms_command *rms_cmd; int status = 0; u8 dev_type; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(disp_obj); - DBC_REQUIRE(hnode != NULL); status = dev_get_dev_type(disp_obj->dev_obj, &dev_type); @@ -620,7 +555,6 @@ static int fill_stream_def(rms_word *pdw_buf, u32 *ptotal, u32 offset, * 1 from total. */ total += sizeof(struct rms_strm_def) / sizeof(rms_word) - 1; - DBC_REQUIRE(strm_def.sz_device); dw_length = strlen(strm_def.sz_device) + 1; /* Number of RMS_WORDS needed to hold device name */ @@ -659,8 +593,6 @@ static int send_message(struct disp_object *disp_obj, u32 timeout, struct chnl_ioc chnl_ioc_obj; int status = 0; - DBC_REQUIRE(pdw_arg != NULL); - *pdw_arg = (u32) NULL; intf_fxns = disp_obj->intf_fxns; chnl_obj = disp_obj->chnl_to_dsp; @@ -703,7 +635,6 @@ static int send_message(struct disp_object *disp_obj, u32 timeout, status = -EPERM; } else { if (CHNL_IS_IO_COMPLETE(chnl_ioc_obj)) { - DBC_ASSERT(chnl_ioc_obj.buf == pbuf); if (*((int *)chnl_ioc_obj.buf) < 0) { /* Translate DSP's to kernel error */ status = -EREMOTEIO; diff --git a/drivers/staging/tidspbridge/rmgr/drv.c b/drivers/staging/tidspbridge/rmgr/drv.c index db8215f540d..6795205b015 100644 --- a/drivers/staging/tidspbridge/rmgr/drv.c +++ b/drivers/staging/tidspbridge/rmgr/drv.c @@ -24,9 +24,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- This */ #include <dspbridge/drv.h> #include <dspbridge/dev.h> @@ -54,7 +51,6 @@ struct drv_ext { }; /* ----------------------------------- Globals */ -static s32 refs; static bool ext_phys_mem_pool_enabled; struct ext_phys_mem_pool { u32 phys_mem_base; @@ -172,7 +168,6 @@ void drv_proc_node_update_status(void *node_resource, s32 status) { struct node_res_object *node_res_obj = (struct node_res_object *)node_resource; - DBC_ASSERT(node_resource != NULL); node_res_obj->node_allocated = status; } @@ -181,7 +176,6 @@ void drv_proc_node_update_heap_status(void *node_resource, s32 status) { struct node_res_object *node_res_obj = (struct node_res_object *)node_resource; - DBC_ASSERT(node_resource != NULL); node_res_obj->heap_allocated = status; } @@ -308,9 +302,6 @@ int drv_create(struct drv_object **drv_obj) struct drv_object *pdrv_object = NULL; struct drv_data *drv_datap = dev_get_drvdata(bridge); - DBC_REQUIRE(drv_obj != NULL); - DBC_REQUIRE(refs > 0); - pdrv_object = kzalloc(sizeof(struct drv_object), GFP_KERNEL); if (pdrv_object) { /* Create and Initialize List of device objects */ @@ -336,25 +327,10 @@ int drv_create(struct drv_object **drv_obj) kfree(pdrv_object); } - DBC_ENSURE(status || pdrv_object); return status; } /* - * ======== drv_exit ======== - * Purpose: - * Discontinue usage of the DRV module. - */ -void drv_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; - - DBC_ENSURE(refs >= 0); -} - -/* * ======== = drv_destroy ======== = * purpose: * Invoked during bridge de-initialization @@ -365,9 +341,6 @@ int drv_destroy(struct drv_object *driver_obj) struct drv_object *pdrv_object = (struct drv_object *)driver_obj; struct drv_data *drv_datap = dev_get_drvdata(bridge); - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(pdrv_object); - kfree(pdrv_object); /* Update the DRV Object in the driver data */ if (drv_datap) { @@ -389,17 +362,8 @@ int drv_get_dev_object(u32 index, struct drv_object *hdrv_obj, struct dev_object **device_obj) { int status = 0; -#ifdef CONFIG_TIDSPBRIDGE_DEBUG - /* used only for Assertions and debug messages */ - struct drv_object *pdrv_obj = (struct drv_object *)hdrv_obj; -#endif struct dev_object *dev_obj; u32 i; - DBC_REQUIRE(pdrv_obj); - DBC_REQUIRE(device_obj != NULL); - DBC_REQUIRE(index >= 0); - DBC_REQUIRE(refs > 0); - DBC_ASSERT(!(list_empty(&pdrv_obj->dev_list))); dev_obj = (struct dev_object *)drv_get_first_dev_object(); for (i = 0; i < index; i++) { @@ -524,25 +488,6 @@ u32 drv_get_next_dev_extension(u32 dev_extension) } /* - * ======== drv_init ======== - * Purpose: - * Initialize DRV module private state. - */ -int drv_init(void) -{ - s32 ret = 1; /* function return value */ - - DBC_REQUIRE(refs >= 0); - - if (ret) - refs++; - - DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0))); - - return ret; -} - -/* * ======== drv_insert_dev_object ======== * Purpose: * Insert a DevObject into the list of Manager object. @@ -552,10 +497,6 @@ int drv_insert_dev_object(struct drv_object *driver_obj, { struct drv_object *pdrv_object = (struct drv_object *)driver_obj; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hdev_obj != NULL); - DBC_REQUIRE(pdrv_object); - list_add_tail((struct list_head *)hdev_obj, &pdrv_object->dev_list); return 0; @@ -574,12 +515,6 @@ int drv_remove_dev_object(struct drv_object *driver_obj, struct drv_object *pdrv_object = (struct drv_object *)driver_obj; struct list_head *cur_elem; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(pdrv_object); - DBC_REQUIRE(hdev_obj != NULL); - - DBC_REQUIRE(!list_empty(&pdrv_object->dev_list)); - /* Search list for p_proc_object: */ list_for_each(cur_elem, &pdrv_object->dev_list) { /* If found, remove it. */ @@ -605,9 +540,6 @@ int drv_request_resources(u32 dw_context, u32 *dev_node_strg) struct drv_ext *pszdev_node; struct drv_data *drv_datap = dev_get_drvdata(bridge); - DBC_REQUIRE(dw_context != 0); - DBC_REQUIRE(dev_node_strg != NULL); - /* * Allocate memory to hold the string. This will live until * it is freed in the Release resources. Update the driver object @@ -639,10 +571,6 @@ int drv_request_resources(u32 dw_context, u32 *dev_node_strg) *dev_node_strg = 0; } - DBC_ENSURE((!status && dev_node_strg != NULL && - !list_empty(&pdrv_object->dev_node_string)) || - (status && *dev_node_strg == 0)); - return status; } @@ -900,8 +828,6 @@ void *mem_alloc_phys_mem(u32 byte_size, u32 align_mask, void mem_free_phys_mem(void *virtual_address, u32 physical_address, u32 byte_size) { - DBC_REQUIRE(virtual_address != NULL); - if (!ext_phys_mem_pool_enabled) dma_free_coherent(NULL, byte_size, virtual_address, physical_address); diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c index 385740bad0d..3cac0149206 100644 --- a/drivers/staging/tidspbridge/rmgr/drv_interface.c +++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c @@ -16,11 +16,8 @@ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ -/* ----------------------------------- Host OS */ - #include <plat/dsp.h> -#include <dspbridge/host_os.h> #include <linux/types.h> #include <linux/platform_device.h> #include <linux/pm.h> @@ -33,36 +30,25 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/clk.h> -#include <dspbridge/sync.h> /* ----------------------------------- Platform Manager */ -#include <dspbridge/dspapi-ioctl.h> #include <dspbridge/dspapi.h> #include <dspbridge/dspdrv.h> /* ----------------------------------- Resource Manager */ #include <dspbridge/pwr.h> -/* ----------------------------------- This */ -#include <drv_interface.h> - #include <dspbridge/resourcecleanup.h> -#include <dspbridge/chnl.h> #include <dspbridge/proc.h> #include <dspbridge/dev.h> -#include <dspbridge/drv.h> #ifdef CONFIG_TIDSPBRIDGE_DVFS #include <mach-omap2/omap3-opp.h> #endif /* ----------------------------------- Globals */ -#define DRIVER_NAME "DspBridge" #define DSPBRIDGE_VERSION "0.3" s32 dsp_debug; @@ -131,7 +117,166 @@ MODULE_AUTHOR("Texas Instruments"); MODULE_LICENSE("GPL"); MODULE_VERSION(DSPBRIDGE_VERSION); -static char *driver_name = DRIVER_NAME; +/* + * This function is called when an application opens handle to the + * bridge driver. + */ +static int bridge_open(struct inode *ip, struct file *filp) +{ + int status = 0; + struct process_context *pr_ctxt = NULL; + + /* + * Allocate a new process context and insert it into global + * process context list. + */ + +#ifdef CONFIG_TIDSPBRIDGE_RECOVERY + if (recover) { + if (filp->f_flags & O_NONBLOCK || + wait_for_completion_interruptible(&bridge_open_comp)) + return -EBUSY; + } +#endif + pr_ctxt = kzalloc(sizeof(struct process_context), GFP_KERNEL); + if (!pr_ctxt) + return -ENOMEM; + + pr_ctxt->res_state = PROC_RES_ALLOCATED; + spin_lock_init(&pr_ctxt->dmm_map_lock); + INIT_LIST_HEAD(&pr_ctxt->dmm_map_list); + spin_lock_init(&pr_ctxt->dmm_rsv_lock); + INIT_LIST_HEAD(&pr_ctxt->dmm_rsv_list); + + pr_ctxt->node_id = kzalloc(sizeof(struct idr), GFP_KERNEL); + if (!pr_ctxt->node_id) { + status = -ENOMEM; + goto err1; + } + + idr_init(pr_ctxt->node_id); + + pr_ctxt->stream_id = kzalloc(sizeof(struct idr), GFP_KERNEL); + if (!pr_ctxt->stream_id) { + status = -ENOMEM; + goto err2; + } + + idr_init(pr_ctxt->stream_id); + + filp->private_data = pr_ctxt; + +#ifdef CONFIG_TIDSPBRIDGE_RECOVERY + atomic_inc(&bridge_cref); +#endif + return 0; + +err2: + kfree(pr_ctxt->node_id); +err1: + kfree(pr_ctxt); + return status; +} + +/* + * This function is called when an application closes handle to the bridge + * driver. + */ +static int bridge_release(struct inode *ip, struct file *filp) +{ + int status = 0; + struct process_context *pr_ctxt; + + if (!filp->private_data) { + status = -EIO; + goto err; + } + + pr_ctxt = filp->private_data; + flush_signals(current); + drv_remove_all_resources(pr_ctxt); + proc_detach(pr_ctxt); + kfree(pr_ctxt->node_id); + kfree(pr_ctxt->stream_id); + kfree(pr_ctxt); + + filp->private_data = NULL; + +err: +#ifdef CONFIG_TIDSPBRIDGE_RECOVERY + if (!atomic_dec_return(&bridge_cref)) + complete(&bridge_comp); +#endif + return status; +} + +/* This function provides IO interface to the bridge driver. */ +static long bridge_ioctl(struct file *filp, unsigned int code, + unsigned long args) +{ + int status; + u32 retval = 0; + union trapped_args buf_in; + +#ifdef CONFIG_TIDSPBRIDGE_RECOVERY + if (recover) { + status = -EIO; + goto err; + } +#endif +#ifdef CONFIG_PM + status = omap34_xxbridge_suspend_lockout(&bridge_suspend_data, filp); + if (status != 0) + return status; +#endif + + if (!filp->private_data) { + status = -EIO; + goto err; + } + + status = copy_from_user(&buf_in, (union trapped_args *)args, + sizeof(union trapped_args)); + + if (!status) { + status = api_call_dev_ioctl(code, &buf_in, &retval, + filp->private_data); + + if (!status) { + status = retval; + } else { + dev_dbg(bridge, "%s: IOCTL Failed, code: 0x%x " + "status 0x%x\n", __func__, code, status); + status = -1; + } + + } + +err: + return status; +} + +/* This function maps kernel space memory to user space memory. */ +static int bridge_mmap(struct file *filp, struct vm_area_struct *vma) +{ + u32 status; + + vma->vm_flags |= VM_RESERVED | VM_IO; + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + + dev_dbg(bridge, "%s: vm filp %p start %lx end %lx page_prot %ulx " + "flags %lx\n", __func__, filp, + vma->vm_start, vma->vm_end, vma->vm_page_prot, + vma->vm_flags); + + status = remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, + vma->vm_end - vma->vm_start, + vma->vm_page_prot); + if (status != 0) + status = -EAGAIN; + + return status; +} static const struct file_operations bridge_fops = { .open = bridge_open, @@ -211,10 +356,10 @@ void bridge_recover_schedule(void) #endif #ifdef CONFIG_TIDSPBRIDGE_DVFS static int dspbridge_scale_notification(struct notifier_block *op, - unsigned long val, void *ptr) + unsigned long val, void *ptr) { struct omap_dsp_platform_data *pdata = - omap_dspbridge_dev->dev.platform_data; + omap_dspbridge_dev->dev.platform_data; if (CPUFREQ_POSTCHANGE == val && pdata->dsp_get_opp) pwr_pm_post_scale(PRCM_VDD1, pdata->dsp_get_opp()); @@ -319,7 +464,7 @@ err2: err1: #ifdef CONFIG_TIDSPBRIDGE_DVFS cpufreq_unregister_notifier(&iva_clk_notifier, - CPUFREQ_TRANSITION_NOTIFIER); + CPUFREQ_TRANSITION_NOTIFIER); #endif dsp_clk_exit(); @@ -345,7 +490,7 @@ static int __devinit omap34_xx_bridge_probe(struct platform_device *pdev) goto err1; /* use 2.6 device model */ - err = alloc_chrdev_region(&dev, 0, 1, driver_name); + err = alloc_chrdev_region(&dev, 0, 1, "DspBridge"); if (err) { pr_err("%s: Can't get major %d\n", __func__, driver_major); goto err1; @@ -385,7 +530,6 @@ err1: static int __devexit omap34_xx_bridge_remove(struct platform_device *pdev) { dev_t devno; - bool ret; int status = 0; struct drv_data *drv_datap = dev_get_drvdata(bridge); @@ -398,16 +542,15 @@ static int __devexit omap34_xx_bridge_remove(struct platform_device *pdev) #ifdef CONFIG_TIDSPBRIDGE_DVFS if (cpufreq_unregister_notifier(&iva_clk_notifier, - CPUFREQ_TRANSITION_NOTIFIER)) + CPUFREQ_TRANSITION_NOTIFIER)) pr_err("%s: cpufreq_unregister_notifier failed for iva2_ck\n", __func__); #endif /* #ifdef CONFIG_TIDSPBRIDGE_DVFS */ if (driver_context) { /* Put the DSP in reset state */ - ret = dsp_deinit(driver_context); + dsp_deinit(driver_context); driver_context = 0; - DBC_ASSERT(ret == true); } kfree(drv_datap); @@ -431,7 +574,7 @@ func_cont: } #ifdef CONFIG_PM -static int BRIDGE_SUSPEND(struct platform_device *pdev, pm_message_t state) +static int bridge_suspend(struct platform_device *pdev, pm_message_t state) { u32 status; u32 command = PWR_EMERGENCYDEEPSLEEP; @@ -444,7 +587,7 @@ static int BRIDGE_SUSPEND(struct platform_device *pdev, pm_message_t state) return 0; } -static int BRIDGE_RESUME(struct platform_device *pdev) +static int bridge_resume(struct platform_device *pdev) { u32 status; @@ -456,9 +599,6 @@ static int BRIDGE_RESUME(struct platform_device *pdev) wake_up(&bridge_suspend_data.suspend_wq); return 0; } -#else -#define BRIDGE_SUSPEND NULL -#define BRIDGE_RESUME NULL #endif static struct platform_driver bridge_driver = { @@ -467,8 +607,10 @@ static struct platform_driver bridge_driver = { }, .probe = omap34_xx_bridge_probe, .remove = __devexit_p(omap34_xx_bridge_remove), - .suspend = BRIDGE_SUSPEND, - .resume = BRIDGE_RESUME, +#ifdef CONFIG_PM + .suspend = bridge_suspend, + .resume = bridge_resume, +#endif }; static int __init bridge_init(void) @@ -481,170 +623,6 @@ static void __exit bridge_exit(void) platform_driver_unregister(&bridge_driver); } -/* - * This function is called when an application opens handle to the - * bridge driver. - */ -static int bridge_open(struct inode *ip, struct file *filp) -{ - int status = 0; - struct process_context *pr_ctxt = NULL; - - /* - * Allocate a new process context and insert it into global - * process context list. - */ - -#ifdef CONFIG_TIDSPBRIDGE_RECOVERY - if (recover) { - if (filp->f_flags & O_NONBLOCK || - wait_for_completion_interruptible(&bridge_open_comp)) - return -EBUSY; - } -#endif - pr_ctxt = kzalloc(sizeof(struct process_context), GFP_KERNEL); - if (!pr_ctxt) - return -ENOMEM; - - pr_ctxt->res_state = PROC_RES_ALLOCATED; - spin_lock_init(&pr_ctxt->dmm_map_lock); - INIT_LIST_HEAD(&pr_ctxt->dmm_map_list); - spin_lock_init(&pr_ctxt->dmm_rsv_lock); - INIT_LIST_HEAD(&pr_ctxt->dmm_rsv_list); - - pr_ctxt->node_id = kzalloc(sizeof(struct idr), GFP_KERNEL); - if (!pr_ctxt->node_id) { - status = -ENOMEM; - goto err1; - } - - idr_init(pr_ctxt->node_id); - - pr_ctxt->stream_id = kzalloc(sizeof(struct idr), GFP_KERNEL); - if (!pr_ctxt->stream_id) { - status = -ENOMEM; - goto err2; - } - - idr_init(pr_ctxt->stream_id); - - filp->private_data = pr_ctxt; - -#ifdef CONFIG_TIDSPBRIDGE_RECOVERY - atomic_inc(&bridge_cref); -#endif - return 0; - -err2: - kfree(pr_ctxt->node_id); -err1: - kfree(pr_ctxt); - return status; -} - -/* - * This function is called when an application closes handle to the bridge - * driver. - */ -static int bridge_release(struct inode *ip, struct file *filp) -{ - int status = 0; - struct process_context *pr_ctxt; - - if (!filp->private_data) { - status = -EIO; - goto err; - } - - pr_ctxt = filp->private_data; - flush_signals(current); - drv_remove_all_resources(pr_ctxt); - proc_detach(pr_ctxt); - kfree(pr_ctxt->node_id); - kfree(pr_ctxt->stream_id); - kfree(pr_ctxt); - - filp->private_data = NULL; - -err: -#ifdef CONFIG_TIDSPBRIDGE_RECOVERY - if (!atomic_dec_return(&bridge_cref)) - complete(&bridge_comp); -#endif - return status; -} - -/* This function provides IO interface to the bridge driver. */ -static long bridge_ioctl(struct file *filp, unsigned int code, - unsigned long args) -{ - int status; - u32 retval = 0; - union trapped_args buf_in; - - DBC_REQUIRE(filp != NULL); -#ifdef CONFIG_TIDSPBRIDGE_RECOVERY - if (recover) { - status = -EIO; - goto err; - } -#endif -#ifdef CONFIG_PM - status = omap34_xxbridge_suspend_lockout(&bridge_suspend_data, filp); - if (status != 0) - return status; -#endif - - if (!filp->private_data) { - status = -EIO; - goto err; - } - - status = copy_from_user(&buf_in, (union trapped_args *)args, - sizeof(union trapped_args)); - - if (!status) { - status = api_call_dev_ioctl(code, &buf_in, &retval, - filp->private_data); - - if (!status) { - status = retval; - } else { - dev_dbg(bridge, "%s: IOCTL Failed, code: 0x%x " - "status 0x%x\n", __func__, code, status); - status = -1; - } - - } - -err: - return status; -} - -/* This function maps kernel space memory to user space memory. */ -static int bridge_mmap(struct file *filp, struct vm_area_struct *vma) -{ - u32 offset = vma->vm_pgoff << PAGE_SHIFT; - u32 status; - - DBC_ASSERT(vma->vm_start < vma->vm_end); - - vma->vm_flags |= VM_RESERVED | VM_IO; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - - dev_dbg(bridge, "%s: vm filp %p offset %x start %lx end %lx page_prot " - "%lx flags %lx\n", __func__, filp, offset, - vma->vm_start, vma->vm_end, vma->vm_page_prot, vma->vm_flags); - - status = remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, - vma->vm_end - vma->vm_start, - vma->vm_page_prot); - if (status != 0) - status = -EAGAIN; - - return status; -} - /* To remove all process resources before removing the process from the * process context list */ int drv_remove_all_resources(void *process_ctxt) diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.h b/drivers/staging/tidspbridge/rmgr/drv_interface.h deleted file mode 100644 index ab070602adc..00000000000 --- a/drivers/staging/tidspbridge/rmgr/drv_interface.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * drv_interface.h - * - * DSP-BIOS Bridge driver support functions for TI OMAP processors. - * - * Copyright (C) 2005-2006 Texas Instruments, Inc. - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -#ifndef _DRV_INTERFACE_H_ -#define _DRV_INTERFACE_H_ - -/* Prototypes for all functions in this bridge */ -static int __init bridge_init(void); /* Initialize bridge */ -static void __exit bridge_exit(void); /* Opposite of initialize */ -static int bridge_open(struct inode *ip, struct file *filp); /* Open */ -static int bridge_release(struct inode *ip, struct file *filp); /* Release */ -static long bridge_ioctl(struct file *filp, unsigned int code, - unsigned long args); -static int bridge_mmap(struct file *filp, struct vm_area_struct *vma); -#endif /* ifndef _DRV_INTERFACE_H_ */ diff --git a/drivers/staging/tidspbridge/rmgr/dspdrv.c b/drivers/staging/tidspbridge/rmgr/dspdrv.c index 7a6fc737872..dc767b183cd 100644 --- a/drivers/staging/tidspbridge/rmgr/dspdrv.c +++ b/drivers/staging/tidspbridge/rmgr/dspdrv.c @@ -23,9 +23,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- Platform Manager */ #include <dspbridge/drv.h> #include <dspbridge/dev.h> @@ -102,8 +99,6 @@ func_cont: } else { dev_dbg(bridge, "%s: Failed\n", __func__); } /* End api_init_complete2 */ - DBC_ENSURE((!status && drv_obj != NULL) || - (status && drv_obj == NULL)); *init_status = status; /* Return the Driver Object */ return (u32) drv_obj; diff --git a/drivers/staging/tidspbridge/rmgr/mgr.c b/drivers/staging/tidspbridge/rmgr/mgr.c index d635c01c015..8a1e9287cff 100644 --- a/drivers/staging/tidspbridge/rmgr/mgr.c +++ b/drivers/staging/tidspbridge/rmgr/mgr.c @@ -26,9 +26,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/sync.h> @@ -62,9 +59,6 @@ int mgr_create(struct mgr_object **mgr_obj, struct mgr_object *pmgr_obj = NULL; struct drv_data *drv_datap = dev_get_drvdata(bridge); - DBC_REQUIRE(mgr_obj != NULL); - DBC_REQUIRE(refs > 0); - pmgr_obj = kzalloc(sizeof(struct mgr_object), GFP_KERNEL); if (pmgr_obj) { status = dcd_create_manager(ZLDLLNAME, &pmgr_obj->dcd_mgr); @@ -92,7 +86,6 @@ int mgr_create(struct mgr_object **mgr_obj, status = -ENOMEM; } - DBC_ENSURE(status || pmgr_obj); return status; } @@ -106,9 +99,6 @@ int mgr_destroy(struct mgr_object *hmgr_obj) struct mgr_object *pmgr_obj = (struct mgr_object *)hmgr_obj; struct drv_data *drv_datap = dev_get_drvdata(bridge); - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hmgr_obj); - /* Free resources */ if (hmgr_obj->dcd_mgr) dcd_destroy_manager(hmgr_obj->dcd_mgr); @@ -140,11 +130,6 @@ int mgr_enum_node_info(u32 node_id, struct dsp_ndbprops *pndb_props, struct mgr_object *pmgr_obj = NULL; struct drv_data *drv_datap = dev_get_drvdata(bridge); - DBC_REQUIRE(pndb_props != NULL); - DBC_REQUIRE(pu_num_nodes != NULL); - DBC_REQUIRE(undb_props_size >= sizeof(struct dsp_ndbprops)); - DBC_REQUIRE(refs > 0); - *pu_num_nodes = 0; /* Get the Manager Object from the driver data */ if (!drv_datap || !drv_datap->mgr_object) { @@ -153,7 +138,6 @@ int mgr_enum_node_info(u32 node_id, struct dsp_ndbprops *pndb_props, } pmgr_obj = drv_datap->mgr_object; - DBC_ASSERT(pmgr_obj); /* Forever loop till we hit failed or no more items in the * Enumeration. We will exit the loop other than 0; */ while (!status) { @@ -205,11 +189,6 @@ int mgr_enum_processor_info(u32 processor_id, struct drv_data *drv_datap = dev_get_drvdata(bridge); bool proc_detect = false; - DBC_REQUIRE(processor_info != NULL); - DBC_REQUIRE(pu_num_procs != NULL); - DBC_REQUIRE(processor_info_size >= sizeof(struct dsp_processorinfo)); - DBC_REQUIRE(refs > 0); - *pu_num_procs = 0; /* Retrieve the Object handle from the driver data */ @@ -242,7 +221,6 @@ int mgr_enum_processor_info(u32 processor_id, dev_dbg(bridge, "%s: Failed to get MGR Object\n", __func__); goto func_end; } - DBC_ASSERT(pmgr_obj); /* Forever loop till we hit no more items in the * Enumeration. We will exit the loop other than 0; */ while (status1 == 0) { @@ -310,12 +288,9 @@ func_end: */ void mgr_exit(void) { - DBC_REQUIRE(refs > 0); refs--; if (refs == 0) dcd_exit(); - - DBC_ENSURE(refs >= 0); } /* @@ -328,16 +303,11 @@ int mgr_get_dcd_handle(struct mgr_object *mgr_handle, int status = -EPERM; struct mgr_object *pmgr_obj = (struct mgr_object *)mgr_handle; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(dcd_handle != NULL); - *dcd_handle = (u32) NULL; if (pmgr_obj) { *dcd_handle = (u32) pmgr_obj->dcd_mgr; status = 0; } - DBC_ENSURE((!status && *dcd_handle != (u32) NULL) || - (status && *dcd_handle == (u32) NULL)); return status; } @@ -349,22 +319,13 @@ int mgr_get_dcd_handle(struct mgr_object *mgr_handle, bool mgr_init(void) { bool ret = true; - bool init_dcd = false; - DBC_REQUIRE(refs >= 0); - - if (refs == 0) { - init_dcd = dcd_init(); /* DCD Module */ - - if (!init_dcd) - ret = false; - } + if (refs == 0) + ret = dcd_init(); /* DCD Module */ if (ret) refs++; - DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0))); - return ret; } @@ -380,8 +341,6 @@ int mgr_wait_for_bridge_events(struct dsp_notification **anotifications, struct sync_object *sync_events[MAX_EVENTS]; u32 i; - DBC_REQUIRE(count < MAX_EVENTS); - for (i = 0; i < count; i++) sync_events[i] = anotifications[i]->handle; diff --git a/drivers/staging/tidspbridge/rmgr/nldr.c b/drivers/staging/tidspbridge/rmgr/nldr.c index 0e70cba15eb..30d5480fcdc 100644 --- a/drivers/staging/tidspbridge/rmgr/nldr.c +++ b/drivers/staging/tidspbridge/rmgr/nldr.c @@ -22,8 +22,6 @@ #include <dspbridge/dbdefs.h> -#include <dspbridge/dbc.h> - /* Platform manager */ #include <dspbridge/cod.h> #include <dspbridge/dev.h> @@ -265,8 +263,6 @@ static struct dbll_fxns ldr_fxns = { (dbll_unload_fxn) dbll_unload, }; -static u32 refs; /* module reference count */ - static int add_ovly_info(void *handle, struct dbll_sect_info *sect_info, u32 addr, u32 bytes); static int add_ovly_node(struct dsp_uuid *uuid_obj, @@ -313,11 +309,6 @@ int nldr_allocate(struct nldr_object *nldr_obj, void *priv_ref, struct nldr_nodeobject *nldr_node_obj = NULL; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(node_props != NULL); - DBC_REQUIRE(nldr_nodeobj != NULL); - DBC_REQUIRE(nldr_obj); - /* Initialize handle in case of failure */ *nldr_nodeobj = NULL; /* Allocate node object */ @@ -398,8 +389,6 @@ int nldr_allocate(struct nldr_object *nldr_obj, void *priv_ref, if (status && nldr_node_obj) kfree(nldr_node_obj); - DBC_ENSURE((!status && *nldr_nodeobj) - || (status && *nldr_nodeobj == NULL)); return status; } @@ -425,12 +414,6 @@ int nldr_create(struct nldr_object **nldr, struct rmm_segment *rmm_segs = NULL; u16 i; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(nldr != NULL); - DBC_REQUIRE(hdev_obj != NULL); - DBC_REQUIRE(pattrs != NULL); - DBC_REQUIRE(pattrs->ovly != NULL); - DBC_REQUIRE(pattrs->write != NULL); /* Allocate dynamic loader object */ nldr_obj = kzalloc(sizeof(struct nldr_object), GFP_KERNEL); @@ -440,13 +423,10 @@ int nldr_create(struct nldr_object **nldr, dev_get_cod_mgr(hdev_obj, &cod_mgr); if (cod_mgr) { status = cod_get_loader(cod_mgr, &nldr_obj->dbll); - DBC_ASSERT(!status); status = cod_get_base_lib(cod_mgr, &nldr_obj->base_lib); - DBC_ASSERT(!status); status = cod_get_base_name(cod_mgr, sz_zl_file, COD_MAXPATHLENGTH); - DBC_ASSERT(!status); } status = 0; /* end lazy status checking */ @@ -547,7 +527,6 @@ int nldr_create(struct nldr_object **nldr, status = cod_get_base_name(cod_mgr, sz_zl_file, COD_MAXPATHLENGTH); /* lazy check */ - DBC_ASSERT(!status); /* First count number of overlay nodes */ status = dcd_get_objects(nldr_obj->dcd_mgr, sz_zl_file, @@ -583,7 +562,6 @@ int nldr_create(struct nldr_object **nldr, *nldr = NULL; } /* FIXME:Temp. Fix. Must be removed */ - DBC_ENSURE((!status && *nldr) || (status && *nldr == NULL)); return status; } @@ -595,8 +573,6 @@ void nldr_delete(struct nldr_object *nldr_obj) struct ovly_sect *ovly_section; struct ovly_sect *next; u16 i; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(nldr_obj); nldr_obj->ldr_fxns.exit_fxn(); if (nldr_obj->rmm) @@ -644,22 +620,6 @@ void nldr_delete(struct nldr_object *nldr_obj) } /* - * ======== nldr_exit ======== - * Discontinue usage of NLDR module. - */ -void nldr_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; - - if (refs == 0) - rmm_exit(); - - DBC_ENSURE(refs >= 0); -} - -/* * ======== nldr_get_fxn_addr ======== */ int nldr_get_fxn_addr(struct nldr_nodeobject *nldr_node_obj, @@ -671,10 +631,6 @@ int nldr_get_fxn_addr(struct nldr_nodeobject *nldr_node_obj, bool status1 = false; s32 i = 0; struct lib_node root = { NULL, 0, NULL }; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(nldr_node_obj); - DBC_REQUIRE(addr != NULL); - DBC_REQUIRE(str_fxn != NULL); nldr_obj = nldr_node_obj->nldr_obj; /* Called from node_create(), node_delete(), or node_run(). */ @@ -690,7 +646,6 @@ int nldr_get_fxn_addr(struct nldr_nodeobject *nldr_node_obj, root = nldr_node_obj->delete_lib; break; default: - DBC_ASSERT(false); break; } } else { @@ -760,7 +715,6 @@ int nldr_get_rmm_manager(struct nldr_object *nldr, { int status = 0; struct nldr_object *nldr_obj = nldr; - DBC_REQUIRE(rmm_mgr != NULL); if (nldr) { *rmm_mgr = nldr_obj->rmm; @@ -769,29 +723,10 @@ int nldr_get_rmm_manager(struct nldr_object *nldr, status = -EFAULT; } - DBC_ENSURE(!status || (rmm_mgr != NULL && *rmm_mgr == NULL)); - return status; } /* - * ======== nldr_init ======== - * Initialize the NLDR module. - */ -bool nldr_init(void) -{ - DBC_REQUIRE(refs >= 0); - - if (refs == 0) - rmm_init(); - - refs++; - - DBC_ENSURE(refs > 0); - return true; -} - -/* * ======== nldr_load ======== */ int nldr_load(struct nldr_nodeobject *nldr_node_obj, @@ -801,9 +736,6 @@ int nldr_load(struct nldr_nodeobject *nldr_node_obj, struct dsp_uuid lib_uuid; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(nldr_node_obj); - nldr_obj = nldr_node_obj->nldr_obj; if (nldr_node_obj->dynamic) { @@ -839,7 +771,6 @@ int nldr_load(struct nldr_nodeobject *nldr_node_obj, break; default: - DBC_ASSERT(false); break; } } @@ -863,9 +794,6 @@ int nldr_unload(struct nldr_nodeobject *nldr_node_obj, struct lib_node *root_lib = NULL; s32 i = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(nldr_node_obj); - if (nldr_node_obj != NULL) { if (nldr_node_obj->dynamic) { if (*nldr_node_obj->phase_split) { @@ -889,7 +817,6 @@ int nldr_unload(struct nldr_nodeobject *nldr_node_obj, nldr_node_obj->pers_libs = 0; break; default: - DBC_ASSERT(false); break; } } else { @@ -929,7 +856,6 @@ static int add_ovly_info(void *handle, struct dbll_sect_info *sect_info, /* Find the node it belongs to */ for (i = 0; i < nldr_obj->ovly_nodes; i++) { node_name = nldr_obj->ovly_table[i].node_name; - DBC_REQUIRE(node_name); if (strncmp(node_name, sect_name + 1, strlen(node_name)) == 0) { /* Found the node */ break; @@ -1018,8 +944,6 @@ static int add_ovly_node(struct dsp_uuid *uuid_obj, /* Add node to table */ nldr_obj->ovly_table[nldr_obj->ovly_nid].uuid = *uuid_obj; - DBC_REQUIRE(obj_def.obj_data.node_obj.ndb_props. - ac_name); len = strlen(obj_def.obj_data.node_obj.ndb_props.ac_name); node_name = obj_def.obj_data.node_obj.ndb_props.ac_name; @@ -1129,7 +1053,6 @@ static void free_sects(struct nldr_object *nldr_obj, ret = rmm_free(nldr_obj->rmm, 0, ovly_section->sect_run_addr, ovly_section->size, true); - DBC_ASSERT(ret); ovly_section = ovly_section->next_sect; i++; } @@ -1249,7 +1172,6 @@ static int load_lib(struct nldr_nodeobject *nldr_node_obj, if (depth > MAXDEPTH) { /* Error */ - DBC_ASSERT(false); } root->lib = NULL; /* Allocate a buffer for library file name of size DBL_MAXPATHLENGTH */ @@ -1312,7 +1234,6 @@ static int load_lib(struct nldr_nodeobject *nldr_node_obj, dcd_get_num_dep_libs(nldr_node_obj->nldr_obj->dcd_mgr, &uuid, &nd_libs, &np_libs, phase); } - DBC_ASSERT(nd_libs >= np_libs); if (!status) { if (!(*nldr_node_obj->phase_split)) np_libs = 0; @@ -1474,7 +1395,6 @@ static int load_ovly(struct nldr_nodeobject *nldr_node_obj, } } - DBC_ASSERT(i < nldr_obj->ovly_nodes); if (!po_node) { status = -ENOENT; @@ -1500,7 +1420,6 @@ static int load_ovly(struct nldr_nodeobject *nldr_node_obj, break; default: - DBC_ASSERT(false); break; } @@ -1623,9 +1542,6 @@ static int remote_alloc(void **ref, u16 mem_sect, u32 size, struct rmm_addr *rmm_addr_obj = (struct rmm_addr *)dsp_address; bool mem_load_req = false; int status = -ENOMEM; /* Set to fail */ - DBC_REQUIRE(hnode); - DBC_REQUIRE(mem_sect == DBLL_CODE || mem_sect == DBLL_DATA || - mem_sect == DBLL_BSS); nldr_obj = hnode->nldr_obj; rmm = nldr_obj->rmm; /* Convert size to DSP words */ @@ -1651,7 +1567,6 @@ static int remote_alloc(void **ref, u16 mem_sect, u32 size, mem_phase_bit = EXECUTEDATAFLAGBIT; break; default: - DBC_ASSERT(false); break; } if (mem_sect == DBLL_CODE) @@ -1670,11 +1585,9 @@ static int remote_alloc(void **ref, u16 mem_sect, u32 size, /* Find an appropriate segment based on mem_sect */ if (segid == NULLID) { /* No memory requirements of preferences */ - DBC_ASSERT(!mem_load_req); goto func_cont; } if (segid <= MAXSEGID) { - DBC_ASSERT(segid < nldr_obj->dload_segs); /* Attempt to allocate from segid first. */ rmm_addr_obj->segid = segid; status = @@ -1685,7 +1598,6 @@ static int remote_alloc(void **ref, u16 mem_sect, u32 size, } } else { /* segid > MAXSEGID ==> Internal or external memory */ - DBC_ASSERT(segid == MEMINTERNALID || segid == MEMEXTERNALID); /* Check for any internal or external memory segment, * depending on segid. */ mem_sect_type |= segid == MEMINTERNALID ? @@ -1736,8 +1648,6 @@ static int remote_free(void **ref, u16 space, u32 dsp_address, u32 word_size; int status = -ENOMEM; /* Set to fail */ - DBC_REQUIRE(nldr_obj); - rmm = nldr_obj->rmm; /* Convert size to DSP words */ @@ -1761,7 +1671,6 @@ static void unload_lib(struct nldr_nodeobject *nldr_node_obj, struct nldr_object *nldr_obj = nldr_node_obj->nldr_obj; u16 i; - DBC_ASSERT(root != NULL); /* Unload dependent libraries */ for (i = 0; i < root->dep_libs; i++) @@ -1812,7 +1721,6 @@ static void unload_ovly(struct nldr_nodeobject *nldr_node_obj, } } - DBC_ASSERT(i < nldr_obj->ovly_nodes); if (!po_node) /* TODO: Should we print warning here? */ @@ -1839,14 +1747,11 @@ static void unload_ovly(struct nldr_nodeobject *nldr_node_obj, other_alloc = po_node->other_sects; break; default: - DBC_ASSERT(false); break; } - DBC_ASSERT(ref_count && (*ref_count > 0)); if (ref_count && (*ref_count > 0)) { *ref_count -= 1; if (other_ref) { - DBC_ASSERT(*other_ref > 0); *other_ref -= 1; } } @@ -1897,9 +1802,6 @@ int nldr_find_addr(struct nldr_nodeobject *nldr_node, u32 sym_addr, bool status1 = false; s32 i = 0; struct lib_node root = { NULL, 0, NULL }; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(offset_output != NULL); - DBC_REQUIRE(sym_name != NULL); pr_debug("%s(0x%x, 0x%x, 0x%x, 0x%x, %s)\n", __func__, (u32) nldr_node, sym_addr, offset_range, (u32) offset_output, sym_name); @@ -1915,7 +1817,6 @@ int nldr_find_addr(struct nldr_nodeobject *nldr_node, u32 sym_addr, root = nldr_node->delete_lib; break; default: - DBC_ASSERT(false); break; } } else { diff --git a/drivers/staging/tidspbridge/rmgr/node.c b/drivers/staging/tidspbridge/rmgr/node.c index 5dadaa445ad..7fb426c5251 100644 --- a/drivers/staging/tidspbridge/rmgr/node.c +++ b/drivers/staging/tidspbridge/rmgr/node.c @@ -26,9 +26,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/memdefs.h> #include <dspbridge/proc.h> @@ -162,7 +159,6 @@ struct node_mgr { /* Loader properties */ struct nldr_object *nldr_obj; /* Handle to loader */ struct node_ldr_fxns nldr_fxns; /* Handle to loader functions */ - bool loader_init; /* Loader Init function succeeded? */ }; /* @@ -264,16 +260,12 @@ static u32 ovly(void *priv_ref, u32 dsp_run_addr, u32 dsp_load_addr, static u32 mem_write(void *priv_ref, u32 dsp_add, void *pbuf, u32 ul_num_bytes, u32 mem_space); -static u32 refs; /* module reference count */ - /* Dynamic loader functions. */ static struct node_ldr_fxns nldr_fxns = { nldr_allocate, nldr_create, nldr_delete, - nldr_exit, nldr_get_fxn_addr, - nldr_init, nldr_load, nldr_unload, }; @@ -326,11 +318,6 @@ int node_allocate(struct proc_object *hprocessor, void *node_res; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hprocessor != NULL); - DBC_REQUIRE(noderes != NULL); - DBC_REQUIRE(node_uuid != NULL); - *noderes = NULL; status = proc_get_processor_id(hprocessor, &proc_id); @@ -673,7 +660,6 @@ func_cont: drv_proc_node_update_heap_status(node_res, true); drv_proc_node_update_status(node_res, true); } - DBC_ENSURE((status && *noderes == NULL) || (!status && *noderes)); func_end: dev_dbg(bridge, "%s: hprocessor: %p pNodeId: %p pargs: %p attr_in: %p " "node_res: %p status: 0x%x\n", __func__, hprocessor, @@ -696,11 +682,6 @@ DBAPI node_alloc_msg_buf(struct node_object *hnode, u32 usize, bool set_info; u32 proc_id; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(pbuffer != NULL); - - DBC_REQUIRE(usize > 0); - if (!pnode) status = -EFAULT; else if (node_get_type(pnode) == NODE_DEVICE) @@ -714,7 +695,6 @@ DBAPI node_alloc_msg_buf(struct node_object *hnode, u32 usize, status = proc_get_processor_id(pnode->processor, &proc_id); if (proc_id != DSP_UNIT) { - DBC_ASSERT(NULL); goto func_end; } /* If segment ID includes MEM_SETVIRTUALSEGID then pbuffer is a @@ -782,8 +762,6 @@ int node_change_priority(struct node_object *hnode, s32 prio) int status = 0; u32 proc_id; - DBC_REQUIRE(refs > 0); - if (!hnode || !hnode->node_mgr) { status = -EFAULT; } else { @@ -854,7 +832,6 @@ int node_connect(struct node_object *node1, u32 stream1, s8 chnl_mode; u32 dw_length; int status = 0; - DBC_REQUIRE(refs > 0); if (!node1 || !node2) return -EFAULT; @@ -903,7 +880,6 @@ int node_connect(struct node_object *node1, u32 stream1, if (node1_type != NODE_GPP) { hnode_mgr = node1->node_mgr; } else { - DBC_ASSERT(node2 != (struct node_object *)DSP_HGPPNODE); hnode_mgr = node2->node_mgr; } @@ -982,9 +958,6 @@ int node_connect(struct node_object *node1, u32 stream1, goto out_unlock; } - DBC_ASSERT((node1_type == NODE_GPP) || - (node2_type == NODE_GPP)); - chnl_mode = (node1_type == NODE_GPP) ? CHNL_MODETODSP : CHNL_MODEFROMDSP; @@ -1139,7 +1112,6 @@ int node_create(struct node_object *hnode) omap_dspbridge_dev->dev.platform_data; #endif - DBC_REQUIRE(refs > 0); if (!pnode) { status = -EFAULT; goto func_end; @@ -1291,10 +1263,6 @@ int node_create_mgr(struct node_mgr **node_man, int status = 0; u8 dev_type; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(node_man != NULL); - DBC_REQUIRE(hdev_obj != NULL); - *node_man = NULL; /* Allocate Node manager object */ node_mgr_obj = kzalloc(sizeof(struct node_mgr), GFP_KERNEL); @@ -1366,7 +1334,6 @@ int node_create_mgr(struct node_mgr **node_man, nldr_attrs_obj.write = mem_write; nldr_attrs_obj.dsp_word_size = node_mgr_obj->dsp_word_size; nldr_attrs_obj.dsp_mau_size = node_mgr_obj->dsp_mau_size; - node_mgr_obj->loader_init = node_mgr_obj->nldr_fxns.init(); status = node_mgr_obj->nldr_fxns.create(&node_mgr_obj->nldr_obj, hdev_obj, &nldr_attrs_obj); @@ -1375,8 +1342,6 @@ int node_create_mgr(struct node_mgr **node_man, *node_man = node_mgr_obj; - DBC_ENSURE((status && *node_man == NULL) || (!status && *node_man)); - return status; out_err: delete_node_mgr(node_mgr_obj); @@ -1409,7 +1374,6 @@ int node_delete(struct node_res_object *noderes, void *node_res = noderes; struct dsp_processorstate proc_state; - DBC_REQUIRE(refs > 0); if (!pnode) { status = -EFAULT; @@ -1554,8 +1518,6 @@ func_end: */ int node_delete_mgr(struct node_mgr *hnode_mgr) { - DBC_REQUIRE(refs > 0); - if (!hnode_mgr) return -EFAULT; @@ -1576,10 +1538,6 @@ int node_enum_nodes(struct node_mgr *hnode_mgr, void **node_tab, struct node_object *hnode; u32 i = 0; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(node_tab != NULL || node_tab_size == 0); - DBC_REQUIRE(pu_num_nodes != NULL); - DBC_REQUIRE(pu_allocated != NULL); if (!hnode_mgr) { status = -EFAULT; @@ -1605,20 +1563,6 @@ func_end: } /* - * ======== node_exit ======== - * Purpose: - * Discontinue usage of NODE module. - */ -void node_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; - - DBC_ENSURE(refs >= 0); -} - -/* * ======== node_free_msg_buf ======== * Purpose: * Frees the message buffer. @@ -1629,10 +1573,6 @@ int node_free_msg_buf(struct node_object *hnode, u8 * pbuffer, struct node_object *pnode = (struct node_object *)hnode; int status = 0; u32 proc_id; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(pbuffer != NULL); - DBC_REQUIRE(pnode != NULL); - DBC_REQUIRE(pnode->xlator != NULL); if (!hnode) { status = -EFAULT; @@ -1653,7 +1593,6 @@ int node_free_msg_buf(struct node_object *hnode, u8 * pbuffer, status = cmm_xlator_free_buf(pnode->xlator, pbuffer); } } else { - DBC_ASSERT(NULL); /* BUG */ } func_end: return status; @@ -1669,9 +1608,6 @@ int node_get_attr(struct node_object *hnode, struct dsp_nodeattr *pattr, u32 attr_size) { struct node_mgr *hnode_mgr; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(pattr != NULL); - DBC_REQUIRE(attr_size >= sizeof(struct dsp_nodeattr)); if (!hnode) return -EFAULT; @@ -1713,9 +1649,6 @@ int node_get_channel_id(struct node_object *hnode, u32 dir, u32 index, { enum node_type node_type; int status = -EINVAL; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(dir == DSP_TONODE || dir == DSP_FROMNODE); - DBC_REQUIRE(chan_id != NULL); if (!hnode) { status = -EFAULT; @@ -1734,7 +1667,6 @@ int node_get_channel_id(struct node_object *hnode, u32 dir, u32 index, } } } else { - DBC_ASSERT(dir == DSP_FROMNODE); if (index < MAX_OUTPUTS(hnode)) { if (hnode->outputs[index].type == HOSTCONNECT) { *chan_id = hnode->outputs[index].dev_id; @@ -1761,9 +1693,6 @@ int node_get_message(struct node_object *hnode, struct dsp_processorstate proc_state; struct proc_object *hprocessor; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(message != NULL); - if (!hnode) { status = -EFAULT; goto func_end; @@ -1831,14 +1760,12 @@ int node_get_nldr_obj(struct node_mgr *hnode_mgr, { int status = 0; struct node_mgr *node_mgr_obj = hnode_mgr; - DBC_REQUIRE(nldr_ovlyobj != NULL); if (!hnode_mgr) status = -EFAULT; else *nldr_ovlyobj = node_mgr_obj->nldr_obj; - DBC_ENSURE(!status || (nldr_ovlyobj != NULL && *nldr_ovlyobj == NULL)); return status; } @@ -1852,8 +1779,6 @@ int node_get_strm_mgr(struct node_object *hnode, { int status = 0; - DBC_REQUIRE(refs > 0); - if (!hnode) status = -EFAULT; else @@ -1867,8 +1792,6 @@ int node_get_strm_mgr(struct node_object *hnode, */ enum nldr_loadtype node_get_load_type(struct node_object *hnode) { - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hnode); if (!hnode) { dev_dbg(bridge, "%s: Failed. hnode: %p\n", __func__, hnode); return -1; @@ -1884,8 +1807,6 @@ enum nldr_loadtype node_get_load_type(struct node_object *hnode) */ u32 node_get_timeout(struct node_object *hnode) { - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hnode); if (!hnode) { dev_dbg(bridge, "%s: failed. hnode: %p\n", __func__, hnode); return 0; @@ -1915,20 +1836,6 @@ enum node_type node_get_type(struct node_object *hnode) } /* - * ======== node_init ======== - * Purpose: - * Initialize the NODE module. - */ -bool node_init(void) -{ - DBC_REQUIRE(refs >= 0); - - refs++; - - return true; -} - -/* * ======== node_on_exit ======== * Purpose: * Gets called when RMS_EXIT is received for a node. @@ -1970,8 +1877,6 @@ int node_pause(struct node_object *hnode) struct dsp_processorstate proc_state; struct proc_object *hprocessor; - DBC_REQUIRE(refs > 0); - if (!hnode) { status = -EFAULT; } else { @@ -2054,9 +1959,6 @@ int node_put_message(struct node_object *hnode, struct dsp_processorstate proc_state; struct proc_object *hprocessor; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(pmsg != NULL); - if (!hnode) { status = -EFAULT; goto func_end; @@ -2146,9 +2048,6 @@ int node_register_notify(struct node_object *hnode, u32 event_mask, struct bridge_drv_interface *intf_fxns; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hnotification != NULL); - if (!hnode) { status = -EFAULT; } else { @@ -2207,8 +2106,6 @@ int node_run(struct node_object *hnode) struct dsp_processorstate proc_state; struct proc_object *hprocessor; - DBC_REQUIRE(refs > 0); - if (!hnode) { status = -EFAULT; goto func_end; @@ -2287,7 +2184,6 @@ int node_run(struct node_object *hnode) NODE_GET_PRIORITY(hnode)); } else { /* We should never get here */ - DBC_ASSERT(false); } func_cont1: /* Update node state. */ @@ -2326,9 +2222,6 @@ int node_terminate(struct node_object *hnode, int *pstatus) struct deh_mgr *hdeh_mgr; struct dsp_processorstate proc_state; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(pstatus != NULL); - if (!hnode || !hnode->node_mgr) { status = -EFAULT; goto func_end; @@ -2610,9 +2503,6 @@ static void delete_node_mgr(struct node_mgr *hnode_mgr) if (hnode_mgr->nldr_obj) hnode_mgr->nldr_fxns.delete(hnode_mgr->nldr_obj); - if (hnode_mgr->loader_init) - hnode_mgr->nldr_fxns.exit(); - kfree(hnode_mgr); } } @@ -2668,7 +2558,6 @@ static void fill_stream_connect(struct node_object *node1, strm1->connect_type = CONNECTTYPE_GPPOUTPUT; } else { /* GPP == > NODE */ - DBC_ASSERT(node2 != (struct node_object *)DSP_HGPPNODE); strm_index = node2->num_inputs + node2->num_outputs - 1; strm2 = &(node2->stream_connect[strm_index]); strm2->cb_struct = sizeof(struct dsp_streamconnect); @@ -2748,9 +2637,6 @@ static int get_fxn_address(struct node_object *hnode, u32 * fxn_addr, char *pstr_fxn_name = NULL; struct node_mgr *hnode_mgr = hnode->node_mgr; int status = 0; - DBC_REQUIRE(node_get_type(hnode) == NODE_TASK || - node_get_type(hnode) == NODE_DAISSOCKET || - node_get_type(hnode) == NODE_MESSAGE); switch (phase) { case CREATEPHASE: @@ -2767,7 +2653,6 @@ static int get_fxn_address(struct node_object *hnode, u32 * fxn_addr, break; default: /* Should never get here */ - DBC_ASSERT(false); break; } @@ -2787,9 +2672,6 @@ void get_node_info(struct node_object *hnode, struct dsp_nodeinfo *node_info) { u32 i; - DBC_REQUIRE(hnode); - DBC_REQUIRE(node_info != NULL); - node_info->cb_struct = sizeof(struct dsp_nodeinfo); node_info->nb_node_database_props = hnode->dcd_props.obj_data.node_obj.ndb_props; @@ -2848,9 +2730,7 @@ static int get_node_props(struct dcd_manager *hdcd_mgr, pmsg_args->max_msgs); } else { /* Copy device name */ - DBC_REQUIRE(pndb_props->ac_name); len = strlen(pndb_props->ac_name); - DBC_ASSERT(len < MAXDEVNAMELEN); hnode->str_dev_name = kzalloc(len + 1, GFP_KERNEL); if (hnode->str_dev_name == NULL) { status = -ENOMEM; @@ -2938,10 +2818,6 @@ int node_get_uuid_props(void *hprocessor, struct dcd_nodeprops dcd_node_props; struct dsp_processorstate proc_state; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hprocessor != NULL); - DBC_REQUIRE(node_uuid != NULL); - if (hprocessor == NULL || node_uuid == NULL) { status = -EFAULT; goto func_end; @@ -3063,8 +2939,6 @@ static u32 ovly(void *priv_ref, u32 dsp_run_addr, u32 dsp_load_addr, /* Function interface to Bridge driver*/ struct bridge_drv_interface *intf_fxns; - DBC_REQUIRE(hnode); - hnode_mgr = hnode->node_mgr; ul_size = ul_num_bytes / hnode_mgr->dsp_word_size; @@ -3106,9 +2980,6 @@ static u32 mem_write(void *priv_ref, u32 dsp_add, void *pbuf, /* Function interface to Bridge driver */ struct bridge_drv_interface *intf_fxns; - DBC_REQUIRE(hnode); - DBC_REQUIRE(mem_space & DBLL_CODE || mem_space & DBLL_DATA); - hnode_mgr = hnode->node_mgr; ul_timeout = hnode->timeout; diff --git a/drivers/staging/tidspbridge/rmgr/proc.c b/drivers/staging/tidspbridge/rmgr/proc.c index 242dd139999..7e4f12f6be4 100644 --- a/drivers/staging/tidspbridge/rmgr/proc.c +++ b/drivers/staging/tidspbridge/rmgr/proc.c @@ -25,9 +25,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/ntfy.h> #include <dspbridge/sync.h> @@ -101,8 +98,6 @@ struct proc_object { struct list_head proc_list; }; -static u32 refs; - DEFINE_MUTEX(proc_lock); /* For critical sections */ /* ----------------------------------- Function Prototypes */ @@ -281,9 +276,6 @@ proc_attach(u32 processor_id, struct drv_data *drv_datap = dev_get_drvdata(bridge); u8 dev_type; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(ph_processor != NULL); - if (pr_ctxt->processor) { *ph_processor = pr_ctxt->processor; return status; @@ -382,10 +374,6 @@ proc_attach(u32 processor_id, kfree(p_proc_object); } func_end: - DBC_ENSURE((status == -EPERM && *ph_processor == NULL) || - (!status && p_proc_object) || - (status == 0 && p_proc_object)); - return status; } @@ -445,10 +433,6 @@ int proc_auto_start(struct cfg_devnode *dev_node_obj, struct drv_data *drv_datap = dev_get_drvdata(bridge); u8 dev_type; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(dev_node_obj != NULL); - DBC_REQUIRE(hdev_obj != NULL); - /* Create a Dummy PROC Object */ if (!drv_datap || !drv_datap->mgr_object) { status = -ENODATA; @@ -516,8 +500,6 @@ int proc_ctrl(void *hprocessor, u32 dw_cmd, struct dsp_cbdata * arg) struct proc_object *p_proc_object = hprocessor; u32 timeout = 0; - DBC_REQUIRE(refs > 0); - if (p_proc_object) { /* intercept PWR deep sleep command */ if (dw_cmd == BRDIOCTL_DEEPSLEEP) { @@ -565,8 +547,6 @@ int proc_detach(struct process_context *pr_ctxt) int status = 0; struct proc_object *p_proc_object = NULL; - DBC_REQUIRE(refs > 0); - p_proc_object = (struct proc_object *)pr_ctxt->processor; if (p_proc_object) { @@ -607,11 +587,6 @@ int proc_enum_nodes(void *hprocessor, void **node_tab, struct proc_object *p_proc_object = (struct proc_object *)hprocessor; struct node_mgr *hnode_mgr = NULL; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(node_tab != NULL || node_tab_size == 0); - DBC_REQUIRE(pu_num_nodes != NULL); - DBC_REQUIRE(pu_allocated != NULL); - if (p_proc_object) { if (!(dev_get_node_manager(p_proc_object->dev_obj, &hnode_mgr))) { @@ -768,8 +743,6 @@ int proc_begin_dma(void *hprocessor, void *pmpu_addr, u32 ul_size, struct process_context *pr_ctxt = (struct process_context *) hprocessor; struct dmm_map_object *map_obj; - DBC_REQUIRE(refs > 0); - if (!pr_ctxt) { status = -EFAULT; goto err_out; @@ -810,8 +783,6 @@ int proc_end_dma(void *hprocessor, void *pmpu_addr, u32 ul_size, struct process_context *pr_ctxt = (struct process_context *) hprocessor; struct dmm_map_object *map_obj; - DBC_REQUIRE(refs > 0); - if (!pr_ctxt) { status = -EFAULT; goto err_out; @@ -884,10 +855,6 @@ int proc_get_resource_info(void *hprocessor, u32 resource_type, struct rmm_target_obj *rmm = NULL; struct io_mgr *hio_mgr = NULL; /* IO manager handle */ - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(resource_info != NULL); - DBC_REQUIRE(resource_info_size >= sizeof(struct dsp_resourceinfo)); - if (!p_proc_object) { status = -EFAULT; goto func_end; @@ -940,21 +907,6 @@ func_end: } /* - * ======== proc_exit ======== - * Purpose: - * Decrement reference count, and free resources when reference count is - * 0. - */ -void proc_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; - - DBC_ENSURE(refs >= 0); -} - -/* * ======== proc_get_dev_object ======== * Purpose: * Return the Dev Object handle for a given Processor. @@ -966,9 +918,6 @@ int proc_get_dev_object(void *hprocessor, int status = -EPERM; struct proc_object *p_proc_object = (struct proc_object *)hprocessor; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(device_obj != NULL); - if (p_proc_object) { *device_obj = p_proc_object->dev_obj; status = 0; @@ -977,9 +926,6 @@ int proc_get_dev_object(void *hprocessor, status = -EFAULT; } - DBC_ENSURE((!status && *device_obj != NULL) || - (status && *device_obj == NULL)); - return status; } @@ -996,10 +942,6 @@ int proc_get_state(void *hprocessor, struct proc_object *p_proc_object = (struct proc_object *)hprocessor; int brd_status; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(proc_state_obj != NULL); - DBC_REQUIRE(state_info_size >= sizeof(struct dsp_processorstate)); - if (p_proc_object) { /* First, retrieve BRD state information */ status = (*p_proc_object->intf_fxns->brd_status) @@ -1055,25 +997,6 @@ int proc_get_trace(void *hprocessor, u8 * pbuf, u32 max_size) } /* - * ======== proc_init ======== - * Purpose: - * Initialize PROC's private state, keeping a reference count on each call - */ -bool proc_init(void) -{ - bool ret = true; - - DBC_REQUIRE(refs >= 0); - - if (ret) - refs++; - - DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0))); - - return ret; -} - -/* * ======== proc_load ======== * Purpose: * Reset a processor and load a new base program image. @@ -1111,10 +1034,6 @@ int proc_load(void *hprocessor, const s32 argc_index, omap_dspbridge_dev->dev.platform_data; #endif - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(argc_index > 0); - DBC_REQUIRE(user_args != NULL); - #ifdef OPT_LOAD_TIME_INSTRUMENTATION do_gettimeofday(&tv1); #endif @@ -1202,8 +1121,6 @@ int proc_load(void *hprocessor, const s32 argc_index, if (status) { status = -EPERM; } else { - DBC_ASSERT(p_proc_object->last_coff == - NULL); /* Allocate memory for pszLastCoff */ p_proc_object->last_coff = kzalloc((strlen(user_args[0]) + @@ -1226,7 +1143,6 @@ int proc_load(void *hprocessor, const s32 argc_index, if (!hmsg_mgr) { status = msg_create(&hmsg_mgr, p_proc_object->dev_obj, (msg_onexit) node_on_exit); - DBC_ASSERT(!status); dev_set_msg_mgr(p_proc_object->dev_obj, hmsg_mgr); } } @@ -1322,7 +1238,6 @@ int proc_load(void *hprocessor, const s32 argc_index, strlen(pargv0) + 1); else status = -ENOMEM; - DBC_ASSERT(brd_state == BRD_LOADED); } } @@ -1331,9 +1246,6 @@ func_end: pr_err("%s: Processor failed to load\n", __func__); proc_stop(p_proc_object); } - DBC_ENSURE((!status - && p_proc_object->proc_state == PROC_LOADED) - || status); #ifdef OPT_LOAD_TIME_INSTRUMENTATION do_gettimeofday(&tv2); if (tv2.tv_usec < tv1.tv_usec) { @@ -1443,9 +1355,6 @@ int proc_register_notify(void *hprocessor, u32 event_mask, struct proc_object *p_proc_object = (struct proc_object *)hprocessor; struct deh_mgr *hdeh_mgr; - DBC_REQUIRE(hnotification != NULL); - DBC_REQUIRE(refs > 0); - /* Check processor handle */ if (!p_proc_object) { status = -EFAULT; @@ -1567,7 +1476,6 @@ int proc_start(void *hprocessor) u32 dw_dsp_addr; /* Loaded code's entry point. */ int brd_state; - DBC_REQUIRE(refs > 0); if (!p_proc_object) { status = -EFAULT; goto func_end; @@ -1616,7 +1524,6 @@ func_cont: if (!((*p_proc_object->intf_fxns->brd_status) (p_proc_object->bridge_context, &brd_state))) { pr_info("%s: dsp in running state\n", __func__); - DBC_ASSERT(brd_state != BRD_HIBERNATION); } } else { pr_err("%s: Failed to start the dsp\n", __func__); @@ -1624,8 +1531,6 @@ func_cont: } func_end: - DBC_ENSURE((!status && p_proc_object->proc_state == - PROC_RUNNING) || status); return status; } @@ -1644,9 +1549,7 @@ int proc_stop(void *hprocessor) u32 node_tab_size = 1; u32 num_nodes = 0; u32 nodes_allocated = 0; - int brd_state; - DBC_REQUIRE(refs > 0); if (!p_proc_object) { status = -EFAULT; goto func_end; @@ -1678,11 +1581,6 @@ int proc_stop(void *hprocessor) msg_delete(hmsg_mgr); dev_set_msg_mgr(p_proc_object->dev_obj, NULL); } - if (!((*p_proc_object-> - intf_fxns->brd_status) (p_proc_object-> - bridge_context, - &brd_state))) - DBC_ASSERT(brd_state == BRD_STOPPED); } } else { pr_err("%s: Failed to stop the processor\n", __func__); @@ -1820,10 +1718,6 @@ static int proc_monitor(struct proc_object *proc_obj) { int status = -EPERM; struct msg_mgr *hmsg_mgr; - int brd_state; - - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(proc_obj); /* This is needed only when Device is loaded when it is * already 'ACTIVE' */ @@ -1840,13 +1734,8 @@ static int proc_monitor(struct proc_object *proc_obj) if (!((*proc_obj->intf_fxns->brd_monitor) (proc_obj->bridge_context))) { status = 0; - if (!((*proc_obj->intf_fxns->brd_status) - (proc_obj->bridge_context, &brd_state))) - DBC_ASSERT(brd_state == BRD_IDLE); } - DBC_ENSURE((!status && brd_state == BRD_IDLE) || - status); return status; } @@ -1880,8 +1769,6 @@ static char **prepend_envp(char **new_envp, char **envp, s32 envp_elems, { char **pp_envp = new_envp; - DBC_REQUIRE(new_envp); - /* Prepend new environ var=value string */ *new_envp++ = sz_var; @@ -1906,9 +1793,6 @@ int proc_notify_clients(void *proc, u32 events) int status = 0; struct proc_object *p_proc_object = (struct proc_object *)proc; - DBC_REQUIRE(p_proc_object); - DBC_REQUIRE(is_valid_proc_event(events)); - DBC_REQUIRE(refs > 0); if (!p_proc_object) { status = -EFAULT; goto func_end; @@ -1930,9 +1814,6 @@ int proc_notify_all_clients(void *proc, u32 events) int status = 0; struct proc_object *p_proc_object = (struct proc_object *)proc; - DBC_REQUIRE(is_valid_proc_event(events)); - DBC_REQUIRE(refs > 0); - if (!p_proc_object) { status = -EFAULT; goto func_end; diff --git a/drivers/staging/tidspbridge/rmgr/rmm.c b/drivers/staging/tidspbridge/rmgr/rmm.c index f3dc0ddbfac..52187bd9772 100644 --- a/drivers/staging/tidspbridge/rmgr/rmm.c +++ b/drivers/staging/tidspbridge/rmgr/rmm.c @@ -46,9 +46,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- This */ #include <dspbridge/rmm.h> @@ -83,8 +80,6 @@ struct rmm_target_obj { struct list_head ovly_list; /* List of overlay memory in use */ }; -static u32 refs; /* module reference count */ - static bool alloc_block(struct rmm_target_obj *target, u32 segid, u32 size, u32 align, u32 *dsp_address); static bool free_block(struct rmm_target_obj *target, u32 segid, u32 addr, @@ -101,12 +96,6 @@ int rmm_alloc(struct rmm_target_obj *target, u32 segid, u32 size, u32 addr; int status = 0; - DBC_REQUIRE(target); - DBC_REQUIRE(dsp_address != NULL); - DBC_REQUIRE(size > 0); - DBC_REQUIRE(reserve || (target->num_segs > 0)); - DBC_REQUIRE(refs > 0); - if (!reserve) { if (!alloc_block(target, segid, size, align, dsp_address)) { status = -ENOMEM; @@ -170,9 +159,6 @@ int rmm_create(struct rmm_target_obj **target_obj, s32 i; int status = 0; - DBC_REQUIRE(target_obj != NULL); - DBC_REQUIRE(num_segs == 0 || seg_tab != NULL); - /* Allocate DBL target object */ target = kzalloc(sizeof(struct rmm_target_obj), GFP_KERNEL); @@ -235,9 +221,6 @@ func_cont: } - DBC_ENSURE((!status && *target_obj) - || (status && *target_obj == NULL)); - return status; } @@ -251,8 +234,6 @@ void rmm_delete(struct rmm_target_obj *target) struct rmm_header *next; u32 i; - DBC_REQUIRE(target); - kfree(target->seg_tab); list_for_each_entry_safe(sect, tmp, &target->ovly_list, list_elem) { @@ -277,18 +258,6 @@ void rmm_delete(struct rmm_target_obj *target) } /* - * ======== rmm_exit ======== - */ -void rmm_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; - - DBC_ENSURE(refs >= 0); -} - -/* * ======== rmm_free ======== */ bool rmm_free(struct rmm_target_obj *target, u32 segid, u32 dsp_addr, u32 size, @@ -297,15 +266,6 @@ bool rmm_free(struct rmm_target_obj *target, u32 segid, u32 dsp_addr, u32 size, struct rmm_ovly_sect *sect, *tmp; bool ret = false; - DBC_REQUIRE(target); - - DBC_REQUIRE(reserved || segid < target->num_segs); - DBC_REQUIRE(reserved || (dsp_addr >= target->seg_tab[segid].base && - (dsp_addr + size) <= (target->seg_tab[segid]. - base + - target->seg_tab[segid]. - length))); - /* * Free or unreserve memory. */ @@ -319,7 +279,6 @@ bool rmm_free(struct rmm_target_obj *target, u32 segid, u32 dsp_addr, u32 size, list_for_each_entry_safe(sect, tmp, &target->ovly_list, list_elem) { if (dsp_addr == sect->addr) { - DBC_ASSERT(size == sect->size); /* Remove from list */ list_del(§->list_elem); kfree(sect); @@ -331,18 +290,6 @@ bool rmm_free(struct rmm_target_obj *target, u32 segid, u32 dsp_addr, u32 size, } /* - * ======== rmm_init ======== - */ -bool rmm_init(void) -{ - DBC_REQUIRE(refs >= 0); - - refs++; - - return true; -} - -/* * ======== rmm_stat ======== */ bool rmm_stat(struct rmm_target_obj *target, enum dsp_memtype segid, @@ -354,9 +301,6 @@ bool rmm_stat(struct rmm_target_obj *target, enum dsp_memtype segid, u32 total_free_size = 0; u32 free_blocks = 0; - DBC_REQUIRE(mem_stat_buf != NULL); - DBC_ASSERT(target != NULL); - if ((u32) segid < target->num_segs) { head = target->free_list[segid]; diff --git a/drivers/staging/tidspbridge/rmgr/strm.c b/drivers/staging/tidspbridge/rmgr/strm.c index 3fae0e9f511..34cc934e0c3 100644 --- a/drivers/staging/tidspbridge/rmgr/strm.c +++ b/drivers/staging/tidspbridge/rmgr/strm.c @@ -24,9 +24,6 @@ /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - /* ----------------------------------- OS Adaptation Layer */ #include <dspbridge/sync.h> @@ -84,9 +81,6 @@ struct strm_object { struct cmm_xlatorobject *xlator; }; -/* ----------------------------------- Globals */ -static u32 refs; /* module reference count */ - /* ----------------------------------- Function Prototypes */ static int delete_strm(struct strm_object *stream_obj); @@ -104,9 +98,6 @@ int strm_allocate_buffer(struct strm_res_object *strmres, u32 usize, u32 i; struct strm_object *stream_obj = strmres->stream; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(ap_buffer != NULL); - if (stream_obj) { /* * Allocate from segment specified at time of stream open. @@ -122,7 +113,6 @@ int strm_allocate_buffer(struct strm_res_object *strmres, u32 usize, goto func_end; for (i = 0; i < num_bufs; i++) { - DBC_ASSERT(stream_obj->xlator != NULL); (void)cmm_xlator_alloc_buf(stream_obj->xlator, &ap_buffer[i], usize); if (ap_buffer[i] == NULL) { @@ -156,8 +146,6 @@ int strm_close(struct strm_res_object *strmres, int status = 0; struct strm_object *stream_obj = strmres->stream; - DBC_REQUIRE(refs > 0); - if (!stream_obj) { status = -EFAULT; } else { @@ -167,7 +155,6 @@ int strm_close(struct strm_res_object *strmres, status = (*intf_fxns->chnl_get_info) (stream_obj->chnl_obj, &chnl_info_obj); - DBC_ASSERT(!status); if (chnl_info_obj.cio_cs > 0 || chnl_info_obj.cio_reqs > 0) status = -EPIPE; @@ -180,9 +167,6 @@ int strm_close(struct strm_res_object *strmres, idr_remove(pr_ctxt->stream_id, strmres->id); func_end: - DBC_ENSURE(status == 0 || status == -EFAULT || - status == -EPIPE || status == -EPERM); - dev_dbg(bridge, "%s: stream_obj: %p, status 0x%x\n", __func__, stream_obj, status); return status; @@ -199,10 +183,6 @@ int strm_create(struct strm_mgr **strm_man, struct strm_mgr *strm_mgr_obj; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(strm_man != NULL); - DBC_REQUIRE(dev_obj != NULL); - *strm_man = NULL; /* Allocate STRM manager object */ strm_mgr_obj = kzalloc(sizeof(struct strm_mgr), GFP_KERNEL); @@ -217,7 +197,6 @@ int strm_create(struct strm_mgr **strm_man, if (!status) { (void)dev_get_intf_fxns(dev_obj, &(strm_mgr_obj->intf_fxns)); - DBC_ASSERT(strm_mgr_obj->intf_fxns != NULL); } } @@ -226,8 +205,6 @@ int strm_create(struct strm_mgr **strm_man, else kfree(strm_mgr_obj); - DBC_ENSURE((!status && *strm_man) || (status && *strm_man == NULL)); - return status; } @@ -238,27 +215,10 @@ int strm_create(struct strm_mgr **strm_man, */ void strm_delete(struct strm_mgr *strm_mgr_obj) { - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(strm_mgr_obj); - kfree(strm_mgr_obj); } /* - * ======== strm_exit ======== - * Purpose: - * Discontinue usage of STRM module. - */ -void strm_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; - - DBC_ENSURE(refs >= 0); -} - -/* * ======== strm_free_buffer ======== * Purpose: * Frees the buffers allocated for a stream. @@ -270,15 +230,11 @@ int strm_free_buffer(struct strm_res_object *strmres, u8 ** ap_buffer, u32 i = 0; struct strm_object *stream_obj = strmres->stream; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(ap_buffer != NULL); - if (!stream_obj) status = -EFAULT; if (!status) { for (i = 0; i < num_bufs; i++) { - DBC_ASSERT(stream_obj->xlator != NULL); status = cmm_xlator_free_buf(stream_obj->xlator, ap_buffer[i]); @@ -306,10 +262,6 @@ int strm_get_info(struct strm_object *stream_obj, int status = 0; void *virt_base = NULL; /* NULL if no SM used */ - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(stream_info != NULL); - DBC_REQUIRE(stream_info_size >= sizeof(struct stream_info)); - if (!stream_obj) { status = -EFAULT; } else { @@ -330,7 +282,6 @@ int strm_get_info(struct strm_object *stream_obj, if (stream_obj->xlator) { /* We have a translator */ - DBC_ASSERT(stream_obj->segment_id > 0); cmm_xlator_info(stream_obj->xlator, (u8 **) &virt_base, 0, stream_obj->segment_id, false); } @@ -370,8 +321,6 @@ int strm_idle(struct strm_object *stream_obj, bool flush_data) struct bridge_drv_interface *intf_fxns; int status = 0; - DBC_REQUIRE(refs > 0); - if (!stream_obj) { status = -EFAULT; } else { @@ -388,25 +337,6 @@ int strm_idle(struct strm_object *stream_obj, bool flush_data) } /* - * ======== strm_init ======== - * Purpose: - * Initialize the STRM module. - */ -bool strm_init(void) -{ - bool ret = true; - - DBC_REQUIRE(refs >= 0); - - if (ret) - refs++; - - DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0))); - - return ret; -} - -/* * ======== strm_issue ======== * Purpose: * Issues a buffer on a stream @@ -418,9 +348,6 @@ int strm_issue(struct strm_object *stream_obj, u8 *pbuf, u32 ul_bytes, int status = 0; void *tmp_buf = NULL; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(pbuf != NULL); - if (!stream_obj) { status = -EFAULT; } else { @@ -471,9 +398,6 @@ int strm_open(struct node_object *hnode, u32 dir, u32 index, void *stream_res; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(strmres != NULL); - DBC_REQUIRE(pattr != NULL); *strmres = NULL; if (dir != DSP_TONODE && dir != DSP_FROMNODE) { status = -EPERM; @@ -536,14 +460,12 @@ int strm_open(struct node_object *hnode, u32 dir, u32 index, goto func_cont; /* No System DMA */ - DBC_ASSERT(strm_obj->strm_mode != STRMMODE_LDMA); /* Get the shared mem mgr for this streams dev object */ status = dev_get_cmm_mgr(strm_mgr_obj->dev_obj, &hcmm_mgr); if (!status) { /*Allocate a SM addr translator for this strm. */ status = cmm_xlator_create(&strm_obj->xlator, hcmm_mgr, NULL); if (!status) { - DBC_ASSERT(strm_obj->segment_id > 0); /* Set translators Virt Addr attributes */ status = cmm_xlator_info(strm_obj->xlator, (u8 **) &pattr->virt_base, @@ -575,10 +497,6 @@ func_cont: * strm_mgr_obj->chnl_mgr better be valid or we * assert here), and then return -EPERM. */ - DBC_ASSERT(status == -ENOSR || - status == -ECHRNG || - status == -EALREADY || - status == -EIO); status = -EPERM; } } @@ -594,12 +512,6 @@ func_cont: (void)delete_strm(strm_obj); } - /* ensure we return a documented error code */ - DBC_ENSURE((!status && strm_obj) || - (*strmres == NULL && (status == -EFAULT || - status == -EPERM - || status == -EINVAL))); - dev_dbg(bridge, "%s: hnode: %p dir: 0x%x index: 0x%x pattr: %p " "strmres: %p status: 0x%x\n", __func__, hnode, dir, index, pattr, strmres, status); @@ -619,11 +531,6 @@ int strm_reclaim(struct strm_object *stream_obj, u8 ** buf_ptr, int status = 0; void *tmp_buf = NULL; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(buf_ptr != NULL); - DBC_REQUIRE(nbytes != NULL); - DBC_REQUIRE(pdw_arg != NULL); - if (!stream_obj) { status = -EFAULT; goto func_end; @@ -679,11 +586,6 @@ int strm_reclaim(struct strm_object *stream_obj, u8 ** buf_ptr, *buf_ptr = chnl_ioc_obj.buf; } func_end: - /* ensure we return a documented return code */ - DBC_ENSURE(!status || status == -EFAULT || - status == -ETIME || status == -ESRCH || - status == -EPERM); - dev_dbg(bridge, "%s: stream_obj: %p buf_ptr: %p nbytes: %p " "pdw_arg: %p status 0x%x\n", __func__, stream_obj, buf_ptr, nbytes, pdw_arg, status); @@ -702,9 +604,6 @@ int strm_register_notify(struct strm_object *stream_obj, u32 event_mask, struct bridge_drv_interface *intf_fxns; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(hnotification != NULL); - if (!stream_obj) { status = -EFAULT; } else if ((event_mask & ~((DSP_STREAMIOCOMPLETION) | @@ -725,10 +624,7 @@ int strm_register_notify(struct strm_object *stream_obj, u32 event_mask, notify_type, hnotification); } - /* ensure we return a documented return code */ - DBC_ENSURE(!status || status == -EFAULT || - status == -ETIME || status == -ESRCH || - status == -ENOSYS || status == -EPERM); + return status; } @@ -747,11 +643,6 @@ int strm_select(struct strm_object **strm_tab, u32 strms, u32 i; int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(strm_tab != NULL); - DBC_REQUIRE(pmask != NULL); - DBC_REQUIRE(strms > 0); - *pmask = 0; for (i = 0; i < strms; i++) { if (!strm_tab[i]) { @@ -811,9 +702,6 @@ int strm_select(struct strm_object **strm_tab, u32 strms, func_end: kfree(sync_events); - DBC_ENSURE((!status && (*pmask != 0 || utimeout == 0)) || - (status && *pmask == 0)); - return status; } diff --git a/drivers/staging/usbip/stub.h b/drivers/staging/usbip/stub.h index d4073684eac..a73e437ec21 100644 --- a/drivers/staging/usbip/stub.h +++ b/drivers/staging/usbip/stub.h @@ -35,7 +35,6 @@ struct stub_device { struct usb_interface *interface; struct usb_device *udev; - struct list_head list; struct usbip_device ud; __u32 devid; diff --git a/drivers/staging/usbip/stub_dev.c b/drivers/staging/usbip/stub_dev.c index 03420e25d9c..fa870e3f7f6 100644 --- a/drivers/staging/usbip/stub_dev.c +++ b/drivers/staging/usbip/stub_dev.c @@ -297,7 +297,6 @@ static struct stub_device *stub_device_alloc(struct usb_device *udev, sdev->devid = (busnum << 16) | devnum; sdev->ud.side = USBIP_STUB; sdev->ud.status = SDEV_ST_AVAILABLE; - /* sdev->ud.lock = SPIN_LOCK_UNLOCKED; */ spin_lock_init(&sdev->ud.lock); sdev->ud.tcp_socket = NULL; @@ -306,7 +305,6 @@ static struct stub_device *stub_device_alloc(struct usb_device *udev, INIT_LIST_HEAD(&sdev->priv_free); INIT_LIST_HEAD(&sdev->unlink_free); INIT_LIST_HEAD(&sdev->unlink_tx); - /* sdev->priv_lock = SPIN_LOCK_UNLOCKED; */ spin_lock_init(&sdev->priv_lock); init_waitqueue_head(&sdev->tx_waitq); diff --git a/drivers/staging/usbip/stub_rx.c b/drivers/staging/usbip/stub_rx.c index 27ac363d1cf..1d5b3fc6216 100644 --- a/drivers/staging/usbip/stub_rx.c +++ b/drivers/staging/usbip/stub_rx.c @@ -367,15 +367,6 @@ static int get_pipe(struct stub_device *sdev, int epnum, int dir) } epd = &ep->desc; -#if 0 - /* epnum 0 is always control */ - if (epnum == 0) { - if (dir == USBIP_DIR_OUT) - return usb_sndctrlpipe(udev, 0); - else - return usb_rcvctrlpipe(udev, 0); - } -#endif if (usb_endpoint_xfer_control(epd)) { if (dir == USBIP_DIR_OUT) return usb_sndctrlpipe(udev, epnum); diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c index d93e7f1f797..70f23026932 100644 --- a/drivers/staging/usbip/usbip_common.c +++ b/drivers/staging/usbip/usbip_common.c @@ -735,26 +735,25 @@ EXPORT_SYMBOL_GPL(usbip_recv_iso); * buffer and iso packets need to be stored and be in propeper endian in urb * before calling this function */ -int usbip_pad_iso(struct usbip_device *ud, struct urb *urb) +void usbip_pad_iso(struct usbip_device *ud, struct urb *urb) { int np = urb->number_of_packets; int i; - int ret; int actualoffset = urb->actual_length; if (!usb_pipeisoc(urb->pipe)) - return 0; + return; /* if no packets or length of data is 0, then nothing to unpack */ if (np == 0 || urb->actual_length == 0) - return 0; + return; /* * if actual_length is transfer_buffer_length then no padding is * present. */ if (urb->actual_length == urb->transfer_buffer_length) - return 0; + return; /* * loop over all packets from last to first (to prevent overwritting @@ -766,8 +765,6 @@ int usbip_pad_iso(struct usbip_device *ud, struct urb *urb) urb->transfer_buffer + actualoffset, urb->iso_frame_desc[i].actual_length); } - - return ret; } EXPORT_SYMBOL_GPL(usbip_pad_iso); diff --git a/drivers/staging/usbip/usbip_common.h b/drivers/staging/usbip/usbip_common.h index b8f8c48b8a7..c7b888ca54f 100644 --- a/drivers/staging/usbip/usbip_common.h +++ b/drivers/staging/usbip/usbip_common.h @@ -306,7 +306,7 @@ void usbip_header_correct_endian(struct usbip_header *pdu, int send); void *usbip_alloc_iso_desc_pdu(struct urb *urb, ssize_t *bufflen); /* some members of urb must be substituted before. */ int usbip_recv_iso(struct usbip_device *ud, struct urb *urb); -int usbip_pad_iso(struct usbip_device *ud, struct urb *urb); +void usbip_pad_iso(struct usbip_device *ud, struct urb *urb); int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb); /* usbip_event.c */ diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c index 2ee97e2095b..dca9bf11f0c 100644 --- a/drivers/staging/usbip/vhci_hcd.c +++ b/drivers/staging/usbip/vhci_hcd.c @@ -386,29 +386,6 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, dum->port_status[rhport] |= USB_PORT_STAT_ENABLE; } -#if 0 - if (dum->driver) { - dum->port_status[rhport] |= - USB_PORT_STAT_ENABLE; - /* give it the best speed we agree on */ - dum->gadget.speed = dum->driver->speed; - dum->gadget.ep0->maxpacket = 64; - switch (dum->gadget.speed) { - case USB_SPEED_HIGH: - dum->port_status[rhport] |= - USB_PORT_STAT_HIGH_SPEED; - break; - case USB_SPEED_LOW: - dum->gadget.ep0->maxpacket = 8; - dum->port_status[rhport] |= - USB_PORT_STAT_LOW_SPEED; - break; - default: - dum->gadget.speed = USB_SPEED_FULL; - break; - } - } -#endif } ((u16 *) buf)[0] = cpu_to_le16(dum->port_status[rhport]); ((u16 *) buf)[1] = cpu_to_le16(dum->port_status[rhport] >> 16); @@ -425,15 +402,6 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, case USB_PORT_FEAT_SUSPEND: usbip_dbg_vhci_rh(" SetPortFeature: " "USB_PORT_FEAT_SUSPEND\n"); -#if 0 - dum->port_status[rhport] |= - (1 << USB_PORT_FEAT_SUSPEND); - if (dum->driver->suspend) { - spin_unlock(&dum->lock); - dum->driver->suspend(&dum->gadget); - spin_lock(&dum->lock); - } -#endif break; case USB_PORT_FEAT_RESET: usbip_dbg_vhci_rh(" SetPortFeature: " @@ -444,13 +412,6 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, ~(USB_PORT_STAT_ENABLE | USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED); -#if 0 - if (dum->driver) { - dev_dbg(hardware, "disconnect\n"); - stop_activity(dum, dum->driver); - } -#endif - /* FIXME test that code path! */ } /* 50msec reset signaling */ @@ -934,14 +895,12 @@ static void vhci_device_init(struct vhci_device *vdev) vdev->ud.side = USBIP_VHCI; vdev->ud.status = VDEV_ST_NULL; - /* vdev->ud.lock = SPIN_LOCK_UNLOCKED; */ spin_lock_init(&vdev->ud.lock); INIT_LIST_HEAD(&vdev->priv_rx); INIT_LIST_HEAD(&vdev->priv_tx); INIT_LIST_HEAD(&vdev->unlink_tx); INIT_LIST_HEAD(&vdev->unlink_rx); - /* vdev->priv_lock = SPIN_LOCK_UNLOCKED; */ spin_lock_init(&vdev->priv_lock); init_waitqueue_head(&vdev->waitq_tx); diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c index 3f511b47563..f5fba7320c5 100644 --- a/drivers/staging/usbip/vhci_rx.c +++ b/drivers/staging/usbip/vhci_rx.c @@ -94,8 +94,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev, return; /* restore the padding in iso packets */ - if (usbip_pad_iso(ud, urb) < 0) - return; + usbip_pad_iso(ud, urb); if (usbip_dbg_flag_vhci_rx) usbip_dump_urb(urb); diff --git a/drivers/staging/vme/devices/vme_pio2.h b/drivers/staging/vme/devices/vme_pio2.h index 3c593136453..72d9ce0bcb4 100644 --- a/drivers/staging/vme/devices/vme_pio2.h +++ b/drivers/staging/vme/devices/vme_pio2.h @@ -243,7 +243,7 @@ struct pio2_card { int pio2_cntr_reset(struct pio2_card *); int pio2_gpio_reset(struct pio2_card *); -int __init pio2_gpio_init(struct pio2_card *); -void __exit pio2_gpio_exit(struct pio2_card *); +int __devinit pio2_gpio_init(struct pio2_card *); +void pio2_gpio_exit(struct pio2_card *); #endif /* _VME_PIO2_H_ */ diff --git a/drivers/staging/vme/devices/vme_pio2_gpio.c b/drivers/staging/vme/devices/vme_pio2_gpio.c index dc837deb99d..858484915f0 100644 --- a/drivers/staging/vme/devices/vme_pio2_gpio.c +++ b/drivers/staging/vme/devices/vme_pio2_gpio.c @@ -187,7 +187,7 @@ int pio2_gpio_reset(struct pio2_card *card) return 0; } -int __init pio2_gpio_init(struct pio2_card *card) +int __devinit pio2_gpio_init(struct pio2_card *card) { int retval = 0; char *label; @@ -220,7 +220,7 @@ int __init pio2_gpio_init(struct pio2_card *card) return retval; }; -void __exit pio2_gpio_exit(struct pio2_card *card) +void pio2_gpio_exit(struct pio2_card *card) { const char *label = card->gc.label; diff --git a/drivers/staging/vme/vme.h b/drivers/staging/vme/vme.h index 9d38ceed60e..c9d65bf14ce 100644 --- a/drivers/staging/vme/vme.h +++ b/drivers/staging/vme/vme.h @@ -156,7 +156,7 @@ int vme_irq_request(struct vme_dev *, int, int, void vme_irq_free(struct vme_dev *, int, int); int vme_irq_generate(struct vme_dev *, int, int); -struct vme_resource * vme_lm_request(struct vme_dev *); +struct vme_resource *vme_lm_request(struct vme_dev *); int vme_lm_count(struct vme_resource *); int vme_lm_set(struct vme_resource *, unsigned long long, u32, u32); int vme_lm_get(struct vme_resource *, unsigned long long *, u32 *, u32 *); diff --git a/drivers/staging/vt6655/bssdb.c b/drivers/staging/vt6655/bssdb.c index 577599ed70a..1368e8cc9ad 100644 --- a/drivers/staging/vt6655/bssdb.c +++ b/drivers/staging/vt6655/bssdb.c @@ -1327,13 +1327,13 @@ start: } if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { - // if adhoc started which essid is NULL string, rescaning. + // if adhoc started which essid is NULL string, rescanning. if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) { if (pDevice->uAutoReConnectTime < 10) { pDevice->uAutoReConnectTime++; } else { - DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scaning ...\n"); + DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scanning ...\n"); pMgmt->eScanType = WMAC_SCAN_ACTIVE; bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL); bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL); diff --git a/drivers/staging/vt6655/ioctl.c b/drivers/staging/vt6655/ioctl.c index 7fd5cc5a55f..ef197efab04 100644 --- a/drivers/staging/vt6655/ioctl.c +++ b/drivers/staging/vt6655/ioctl.c @@ -324,16 +324,16 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID; memset(pList->sBSSIDList[ii].abySSID, 0, WLAN_SSID_MAXLEN + 1); memcpy(pList->sBSSIDList[ii].abySSID, pItemSSID->abySSID, pItemSSID->len); - if (WLAN_GET_CAP_INFO_ESS(pBSS->wCapInfo)) { + if (WLAN_GET_CAP_INFO_ESS(pBSS->wCapInfo)) pList->sBSSIDList[ii].byNetType = INFRA; - } else { + else pList->sBSSIDList[ii].byNetType = ADHOC; - } - if (WLAN_GET_CAP_INFO_PRIVACY(pBSS->wCapInfo)) { + + if (WLAN_GET_CAP_INFO_PRIVACY(pBSS->wCapInfo)) pList->sBSSIDList[ii].bWEPOn = true; - } else { + else pList->sBSSIDList[ii].bWEPOn = false; - } + ii++; if (ii >= pList->uItem) break; @@ -367,9 +367,9 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) netif_stop_queue(pDevice->dev); spin_lock_irq(&pDevice->lock); - if (pDevice->bRadioOff == false) { + if (pDevice->bRadioOff == false) CARDbRadioPowerOff(pDevice); - } + pDevice->bLinkPass = false; memset(pMgmt->abyCurrBSSID, 0, 6); pMgmt->eCurrState = WMAC_STATE_IDLE; @@ -489,13 +489,12 @@ int private_ioctl(PSDevice pDevice, struct ifreq *rq) break; } - if (sStartAPCmd.wBBPType == PHY80211g) { + if (sStartAPCmd.wBBPType == PHY80211g) pMgmt->byAPBBType = PHY_TYPE_11G; - } else if (sStartAPCmd.wBBPType == PHY80211a) { + else if (sStartAPCmd.wBBPType == PHY80211a) pMgmt->byAPBBType = PHY_TYPE_11A; - } else { + else pMgmt->byAPBBType = PHY_TYPE_11B; - } pItemSSID = (PWLAN_IE_SSID)sStartAPCmd.ssid; if (pItemSSID->len > WLAN_SSID_MAXLEN + 1) diff --git a/drivers/staging/vt6656/bssdb.c b/drivers/staging/vt6656/bssdb.c index 32c67ed8435..619c257e877 100644 --- a/drivers/staging/vt6656/bssdb.c +++ b/drivers/staging/vt6656/bssdb.c @@ -1195,13 +1195,13 @@ else { } if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { - // if adhoc started which essid is NULL string, rescaning. + // if adhoc started which essid is NULL string, rescanning. if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) { if (pDevice->uAutoReConnectTime < 10) { pDevice->uAutoReConnectTime++; } else { - DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scaning ...\n"); + DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scanning ...\n"); pMgmt->eScanType = WMAC_SCAN_ACTIVE; bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL); bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL); diff --git a/drivers/staging/vt6656/iwctl.c b/drivers/staging/vt6656/iwctl.c index ecfda5272fa..b24e5314a6a 100644 --- a/drivers/staging/vt6656/iwctl.c +++ b/drivers/staging/vt6656/iwctl.c @@ -46,9 +46,6 @@ #include <net/iw_handler.h> - -/*--------------------- Static Definitions -------------------------*/ - #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT #define SUPPORTED_WIRELESS_EXT 18 #else @@ -63,19 +60,8 @@ static const long frequency_list[] = { 5700, 5745, 5765, 5785, 5805, 5825 }; - -/*--------------------- Static Classes ----------------------------*/ - - -//static int msglevel =MSG_LEVEL_DEBUG; static int msglevel =MSG_LEVEL_INFO; - -/*--------------------- Static Variables --------------------------*/ -/*--------------------- Static Functions --------------------------*/ - -/*--------------------- Export Variables --------------------------*/ - struct iw_statistics *iwctl_get_wireless_stats(struct net_device *dev) { PSDevice pDevice = netdev_priv(dev); @@ -87,7 +73,6 @@ struct iw_statistics *iwctl_get_wireless_stats(struct net_device *dev) pDevice->wstats.qual.qual =(BYTE) pDevice->scStatistic.LinkQuality; RFvRSSITodBm(pDevice, (BYTE)(pDevice->uCurrRSSI), &ldBm); pDevice->wstats.qual.level = ldBm; - //pDevice->wstats.qual.level = 0x100 - pDevice->uCurrRSSI; pDevice->wstats.qual.noise = 0; pDevice->wstats.qual.updated = 1; pDevice->wstats.discard.nwid = 0; @@ -100,21 +85,6 @@ struct iw_statistics *iwctl_get_wireless_stats(struct net_device *dev) return &pDevice->wstats; } - - -/*------------------------------------------------------------------*/ - - -static int iwctl_commit(struct net_device *dev, - struct iw_request_info *info, - void *wrq, - char *extra) -{ - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWCOMMIT\n"); - - return 0; -} - /* * Wireless Handler : get protocol name */ @@ -197,14 +167,12 @@ if(pDevice->byReAssocCount > 0) { //reject scan when re-associating! } pMgmt->eScanType = WMAC_SCAN_PASSIVE; - //printk("SIOCSIWSCAN:WLAN_CMD_BSSID_SCAN\n"); bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL); spin_unlock_irq(&pDevice->lock); return 0; } - /* * Wireless Handler : get scan results */ @@ -503,7 +471,7 @@ int iwctl_siwmode(struct net_device *dev, * Wireless Handler : get operation mode */ -int iwctl_giwmode(struct net_device *dev, +void iwctl_giwmode(struct net_device *dev, struct iw_request_info *info, __u32 *wmode, char *extra) @@ -530,8 +498,6 @@ int iwctl_giwmode(struct net_device *dev, default: *wmode = IW_MODE_ADHOC; } - - return 0; } @@ -539,7 +505,7 @@ int iwctl_giwmode(struct net_device *dev, * Wireless Handler : get capability range */ -int iwctl_giwrange(struct net_device *dev, +void iwctl_giwrange(struct net_device *dev, struct iw_request_info *info, struct iw_point *wrq, char *extra) @@ -634,9 +600,6 @@ int iwctl_giwrange(struct net_device *dev, range->avg_qual.level = 176; // -80 dBm range->avg_qual.noise = 0; } - - - return 0; } @@ -708,9 +671,7 @@ int iwctl_giwap(struct net_device *dev, memcpy(wrq->sa_data, pMgmt->abyCurrBSSID, 6); -//20080123-02,<Modify> by Einsn Liu if ((pDevice->bLinkPass == FALSE) && (pMgmt->eCurrMode != WMAC_MODE_ESS_AP)) - // if ((pDevice->bLinkPass == FALSE) && (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) memset(wrq->sa_data, 0, 6); if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { @@ -895,8 +856,7 @@ int iwctl_siwessid(struct net_device *dev, /* * Wireless Handler : get essid */ - -int iwctl_giwessid(struct net_device *dev, +void iwctl_giwessid(struct net_device *dev, struct iw_request_info *info, struct iw_point *wrq, char *extra) @@ -913,14 +873,11 @@ int iwctl_giwessid(struct net_device *dev, // Get the current SSID pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID; - //pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID; memcpy(extra, pItemSSID->abySSID , pItemSSID->len); extra[pItemSSID->len] = '\0'; wrq->length = pItemSSID->len; wrq->flags = 1; // active - - return 0; } /* @@ -1008,8 +965,7 @@ int iwctl_siwrate(struct net_device *dev, /* * Wireless Handler : get data rate */ - -int iwctl_giwrate(struct net_device *dev, +void iwctl_giwrate(struct net_device *dev, struct iw_request_info *info, struct iw_param *wrq, char *extra) @@ -1047,9 +1003,6 @@ int iwctl_giwrate(struct net_device *dev, if (pDevice->bFixRate == TRUE) wrq->fixed = TRUE; } - - - return 0; } @@ -1057,27 +1010,19 @@ int iwctl_giwrate(struct net_device *dev, /* * Wireless Handler : set rts threshold */ - int iwctl_siwrts(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *wrq, - char *extra) + struct iw_param *wrq) { - PSDevice pDevice = (PSDevice)netdev_priv(dev); - int rc = 0; + PSDevice pDevice = (PSDevice)netdev_priv(dev); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWRTS \n"); + if ((wrq->value < 0 || wrq->value > 2312) && !wrq->disabled) + return -EINVAL; - { - int rthr = wrq->value; - if(wrq->disabled) - rthr = 2312; - if((rthr < 0) || (rthr > 2312)) { - rc = -EINVAL; - }else { - pDevice->wRTSThreshold = rthr; - } - } + else if (wrq->disabled) + pDevice->wRTSThreshold = 2312; + + else + pDevice->wRTSThreshold = wrq->value; return 0; } @@ -1327,55 +1272,6 @@ int iwctl_siwencode(struct net_device *dev, return rc; } -/* - * Wireless Handler : get encode mode - */ -//2008-0409-06, <Mark> by Einsn Liu - /* -int iwctl_giwencode(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *wrq, - char *extra) -{ - PSDevice pDevice = (PSDevice)netdev_priv(dev); - PSMgmtObject pMgmt = &(pDevice->sMgmtObj); - int rc = 0; - char abyKey[WLAN_WEP232_KEYLEN]; - unsigned int index = (unsigned int)(wrq->flags & IW_ENCODE_INDEX); - PSKeyItem pKey = NULL; - - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWENCODE\n"); - - - memset(abyKey, 0, sizeof(abyKey)); - // Check encryption mode - wrq->flags = IW_ENCODE_NOKEY; - // Is WEP enabled ??? - if (pDevice->bEncryptionEnable) - wrq->flags |= IW_ENCODE_ENABLED; - else - wrq->flags |= IW_ENCODE_DISABLED; - - if (pMgmt->bShareKeyAlgorithm) - wrq->flags |= IW_ENCODE_RESTRICTED; - else - wrq->flags |= IW_ENCODE_OPEN; - - if (KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, (BYTE)index , &pKey)){ - wrq->length = pKey->uKeyLength; - memcpy(abyKey, pKey->abyKey, pKey->uKeyLength); - } - else { - rc = -EINVAL; - return rc; - } - wrq->flags |= index; - // Copy the key to the user buffer - memcpy(extra, abyKey, WLAN_WEP232_KEYLEN); - return 0; -} -*/ - int iwctl_giwencode(struct net_device *dev, struct iw_request_info *info, struct iw_point *wrq, @@ -1562,7 +1458,6 @@ int iwctl_siwauth(struct net_device *dev, wpa_version = wrq->value; if(wrq->value == IW_AUTH_WPA_VERSION_DISABLED) { PRINT_K("iwctl_siwauth:set WPADEV to disable at 1??????\n"); - //pDevice->bWPADEVUp = FALSE; } else if(wrq->value == IW_AUTH_WPA_VERSION_WPA) { PRINT_K("iwctl_siwauth:set WPADEV to WPA1******\n"); @@ -1570,7 +1465,6 @@ int iwctl_siwauth(struct net_device *dev, else { PRINT_K("iwctl_siwauth:set WPADEV to WPA2******\n"); } - //pDevice->bWPASuppWextEnabled =TRUE; break; case IW_AUTH_CIPHER_PAIRWISE: pairwise = wrq->value; @@ -1627,11 +1521,6 @@ int iwctl_siwauth(struct net_device *dev, } break; case IW_AUTH_WPA_ENABLED: - //pDevice->bWPADEVUp = !! wrq->value; - //if(pDevice->bWPADEVUp==TRUE) - // printk("iwctl_siwauth:set WPADEV to enable successful*******\n"); - //else - // printk("iwctl_siwauth:set WPADEV to enable fail?????\n"); break; case IW_AUTH_RX_UNENCRYPTED_EAPOL: break; @@ -1646,7 +1535,6 @@ int iwctl_siwauth(struct net_device *dev, pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled; pMgmt->bShareKeyAlgorithm = FALSE; pMgmt->eAuthenMode = WMAC_AUTH_OPEN; - //pDevice->bWPADEVUp = FALSE; PRINT_K("iwctl_siwauth:set WPADEV to disaable at 2?????\n"); } @@ -1655,15 +1543,6 @@ int iwctl_siwauth(struct net_device *dev, ret = -EOPNOTSUPP; break; } -/* - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_version = %d\n",wpa_version); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pairwise = %d\n",pairwise); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pDevice->eEncryptionStatus = %d\n",pDevice->eEncryptionStatus); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pMgmt->eAuthenMode = %d\n",pMgmt->eAuthenMode); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pMgmt->bShareKeyAlgorithm = %s\n",pMgmt->bShareKeyAlgorithm?"TRUE":"FALSE"); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pDevice->bEncryptionEnable = %s\n",pDevice->bEncryptionEnable?"TRUE":"FALSE"); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pDevice->bWPADEVUp = %s\n",pDevice->bWPADEVUp?"TRUE":"FALSE"); -*/ return ret; } @@ -1752,8 +1631,6 @@ int iwctl_siwencodeext(struct net_device *dev, u8 seq[IW_ENCODE_SEQ_MAX_SIZE]; u8 key[64]; size_t seq_len=0,key_len=0; -// - // int ii; u8 *buf; size_t blen; u8 key_array[64]; @@ -1883,7 +1760,6 @@ int iwctl_siwmlme(struct net_device *dev, PSDevice pDevice = (PSDevice)netdev_priv(dev); PSMgmtObject pMgmt = &(pDevice->sMgmtObj); struct iw_mlme *mlme = (struct iw_mlme *)extra; - //u16 reason = cpu_to_le16(mlme->reason_code); int ret = 0; if(memcmp(pMgmt->abyCurrBSSID, mlme->addr.sa_data, ETH_ALEN)){ @@ -1892,12 +1768,6 @@ int iwctl_siwmlme(struct net_device *dev, } switch(mlme->cmd){ case IW_MLME_DEAUTH: - //this command seems to be not complete,please test it --einsnliu - //printk("iwctl_siwmlme--->send DEAUTH\n"); - /* bScheduleCommand((void *) pDevice, - WLAN_CMD_DEAUTH, - (PBYTE)&reason); */ - //break; case IW_MLME_DISASSOC: if(pDevice->bLinkPass == TRUE){ PRINT_K("iwctl_siwmlme--->send DISASSOCIATE\n"); @@ -1916,77 +1786,9 @@ int iwctl_siwmlme(struct net_device *dev, #endif -/*------------------------------------------------------------------*/ -/* - * Structures to export the Wireless Handlers - */ - - -/* -static const iw_handler iwctl_handler[] = -{ - (iw_handler) iwctl_commit, // SIOCSIWCOMMIT - (iw_handler) iwctl_giwname, // SIOCGIWNAME - (iw_handler) NULL, // SIOCSIWNWID - (iw_handler) iwctl_siwfreq, // SIOCSIWFREQ - (iw_handler) iwctl_giwfreq, // SIOCGIWFREQ - (iw_handler) iwctl_siwmode, // SIOCSIWMODE - (iw_handler) iwctl_giwmode, // SIOCGIWMODE - (iw_handler) NULL, // SIOCSIWSENS - (iw_handler) iwctl_giwsens, // SIOCGIWSENS - (iw_handler) NULL, // SIOCSIWRANGE - (iw_handler) iwctl_giwrange, // SIOCGIWRANGE - (iw_handler) NULL, // SIOCSIWPRIV - (iw_handler) NULL, // SIOCGIWPRIV - (iw_handler) NULL, // SIOCSIWSTATS - (iw_handler) NULL, // SIOCGIWSTATS - (iw_handler) NULL, // SIOCSIWSPY - (iw_handler) NULL, // SIOCGIWSPY - (iw_handler) NULL, // -- hole -- - (iw_handler) NULL, // -- hole -- - (iw_handler) iwctl_siwap, // SIOCSIWAP - (iw_handler) iwctl_giwap, // SIOCGIWAP - (iw_handler) NULL, // -- hole -- 0x16 - (iw_handler) iwctl_giwaplist, // SIOCGIWAPLIST - (iw_handler) iwctl_siwscan, // SIOCSIWSCAN - (iw_handler) iwctl_giwscan, // SIOCGIWSCAN - (iw_handler) iwctl_siwessid, // SIOCSIWESSID - (iw_handler) iwctl_giwessid, // SIOCGIWESSID - (iw_handler) NULL, // SIOCSIWNICKN - (iw_handler) NULL, // SIOCGIWNICKN - (iw_handler) NULL, // -- hole -- - (iw_handler) NULL, // -- hole -- - (iw_handler) iwctl_siwrate, // SIOCSIWRATE 0x20 - (iw_handler) iwctl_giwrate, // SIOCGIWRATE - (iw_handler) iwctl_siwrts, // SIOCSIWRTS - (iw_handler) iwctl_giwrts, // SIOCGIWRTS - (iw_handler) iwctl_siwfrag, // SIOCSIWFRAG - (iw_handler) iwctl_giwfrag, // SIOCGIWFRAG - (iw_handler) NULL, // SIOCSIWTXPOW - (iw_handler) NULL, // SIOCGIWTXPOW - (iw_handler) iwctl_siwretry, // SIOCSIWRETRY - (iw_handler) iwctl_giwretry, // SIOCGIWRETRY - (iw_handler) iwctl_siwencode, // SIOCSIWENCODE - (iw_handler) iwctl_giwencode, // SIOCGIWENCODE - (iw_handler) iwctl_siwpower, // SIOCSIWPOWER - (iw_handler) iwctl_giwpower, // SIOCGIWPOWER - (iw_handler) NULL, // -- hole -- - (iw_handler) NULL, // -- hole -- - (iw_handler) iwctl_siwgenie, // SIOCSIWGENIE - (iw_handler) iwctl_giwgenie, // SIOCGIWGENIE - (iw_handler) iwctl_siwauth, // SIOCSIWAUTH - (iw_handler) iwctl_giwauth, // SIOCGIWAUTH - (iw_handler) iwctl_siwencodeext, // SIOCSIWENCODEEXT - (iw_handler) iwctl_giwencodeext, // SIOCGIWENCODEEXT - (iw_handler) NULL, // SIOCSIWPMKSA - (iw_handler) NULL, // -- hole -- - -}; -*/ - static const iw_handler iwctl_handler[] = { - (iw_handler) iwctl_commit, // SIOCSIWCOMMIT + (iw_handler) NULL, /* SIOCSIWCOMMIT */ (iw_handler) NULL, // SIOCGIWNAME (iw_handler) NULL, // SIOCSIWNWID (iw_handler) NULL, // SIOCGIWNWID @@ -2063,13 +1865,9 @@ const struct iw_handler_def iwctl_handler_def = { .get_wireless_stats = &iwctl_get_wireless_stats, .num_standard = sizeof(iwctl_handler)/sizeof(iw_handler), -// .num_private = sizeof(iwctl_private_handler)/sizeof(iw_handler), -// .num_private_args = sizeof(iwctl_private_args)/sizeof(struct iw_priv_args), .num_private = 0, .num_private_args = 0, .standard = (iw_handler *) iwctl_handler, -// .private = (iw_handler *) iwctl_private_handler, -// .private_args = (struct iw_priv_args *)iwctl_private_args, .private = NULL, .private_args = NULL, }; diff --git a/drivers/staging/vt6656/iwctl.h b/drivers/staging/vt6656/iwctl.h index 10a240e6501..0c6e0496779 100644 --- a/drivers/staging/vt6656/iwctl.h +++ b/drivers/staging/vt6656/iwctl.h @@ -46,13 +46,13 @@ int iwctl_siwap(struct net_device *dev, struct sockaddr *wrq, char *extra); -int iwctl_giwrange(struct net_device *dev, +void iwctl_giwrange(struct net_device *dev, struct iw_request_info *info, struct iw_point *wrq, char *extra); -int iwctl_giwmode(struct net_device *dev, +void iwctl_giwmode(struct net_device *dev, struct iw_request_info *info, __u32 *wmode, char *extra); @@ -97,7 +97,7 @@ int iwctl_siwessid(struct net_device *dev, struct iw_point *wrq, char *extra); -int iwctl_giwessid(struct net_device *dev, +void iwctl_giwessid(struct net_device *dev, struct iw_request_info *info, struct iw_point *wrq, char *extra); @@ -107,16 +107,13 @@ int iwctl_siwrate(struct net_device *dev, struct iw_param *wrq, char *extra); -int iwctl_giwrate(struct net_device *dev, +void iwctl_giwrate(struct net_device *dev, struct iw_request_info *info, struct iw_param *wrq, char *extra); int iwctl_siwrts(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *wrq, - char *extra); - + struct iw_param *wrq); int iwctl_giwrts(struct net_device *dev, struct iw_request_info *info, diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index 6a708f44765..763e028a5cc 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -1657,8 +1657,8 @@ static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { { char essid[IW_ESSID_MAX_SIZE+1]; if (wrq->u.essid.pointer) { - rc = iwctl_giwessid(dev, NULL, - &(wrq->u.essid), essid); + iwctl_giwessid(dev, NULL, + &(wrq->u.essid), essid); if (copy_to_user(wrq->u.essid.pointer, essid, wrq->u.essid.length) ) @@ -1698,14 +1698,13 @@ static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { // Get the current bit-rate case SIOCGIWRATE: - - rc = iwctl_giwrate(dev, NULL, &(wrq->u.bitrate), NULL); + iwctl_giwrate(dev, NULL, &(wrq->u.bitrate), NULL); break; // Set the desired RTS threshold case SIOCSIWRTS: - rc = iwctl_siwrts(dev, NULL, &(wrq->u.rts), NULL); + rc = iwctl_siwrts(dev, &(wrq->u.rts)); break; // Get the current RTS threshold @@ -1733,7 +1732,7 @@ static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { // Get mode of operation case SIOCGIWMODE: - rc = iwctl_giwmode(dev, NULL, &(wrq->u.mode), NULL); + iwctl_giwmode(dev, NULL, &(wrq->u.mode), NULL); break; // Set WEP keys and mode @@ -1811,7 +1810,7 @@ static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { { struct iw_range range; - rc = iwctl_giwrange(dev, NULL, &(wrq->u.data), (char *) &range); + iwctl_giwrange(dev, NULL, &(wrq->u.data), (char *) &range); if (copy_to_user(wrq->u.data.pointer, &range, sizeof(struct iw_range))) rc = -EFAULT; } diff --git a/drivers/staging/vt6656/wpactl.c b/drivers/staging/vt6656/wpactl.c index 2fa4f845a75..5435e8205b2 100644 --- a/drivers/staging/vt6656/wpactl.c +++ b/drivers/staging/vt6656/wpactl.c @@ -46,23 +46,18 @@ #define VIAWGET_WPA_MAX_BUF_SIZE 1024 - - static const int frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442, 2447, 2452, 2457, 2462, 2467, 2472, 2484 }; + /*--------------------- Static Classes ----------------------------*/ /*--------------------- Static Variables --------------------------*/ -//static int msglevel =MSG_LEVEL_DEBUG; -static int msglevel =MSG_LEVEL_INFO; +static int msglevel = MSG_LEVEL_INFO; /*--------------------- Static Functions --------------------------*/ - - - /*--------------------- Export Variables --------------------------*/ static void wpadev_setup(struct net_device *dev) { @@ -72,9 +67,9 @@ static void wpadev_setup(struct net_device *dev) dev->addr_len = ETH_ALEN; dev->tx_queue_len = 1000; - memset(dev->broadcast,0xFF, ETH_ALEN); + memset(dev->broadcast, 0xFF, ETH_ALEN); - dev->flags = IFF_BROADCAST|IFF_MULTICAST; + dev->flags = IFF_BROADCAST | IFF_MULTICAST; } /* @@ -90,45 +85,43 @@ static void wpadev_setup(struct net_device *dev) * Return Value: * */ - static int wpa_init_wpadev(PSDevice pDevice) { - PSDevice wpadev_priv; + PSDevice wpadev_priv; struct net_device *dev = pDevice->dev; - int ret=0; + int ret = 0; pDevice->wpadev = alloc_netdev(sizeof(PSDevice), "vntwpa", wpadev_setup); if (pDevice->wpadev == NULL) return -ENOMEM; - wpadev_priv = netdev_priv(pDevice->wpadev); - *wpadev_priv = *pDevice; + wpadev_priv = netdev_priv(pDevice->wpadev); + *wpadev_priv = *pDevice; memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, ETH_ALEN); - pDevice->wpadev->base_addr = dev->base_addr; + pDevice->wpadev->base_addr = dev->base_addr; pDevice->wpadev->irq = dev->irq; pDevice->wpadev->mem_start = dev->mem_start; pDevice->wpadev->mem_end = dev->mem_end; ret = register_netdev(pDevice->wpadev); if (ret) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: register_netdev(WPA) failed!\n", - dev->name); + dev->name); free_netdev(pDevice->wpadev); return -1; } if (pDevice->skb == NULL) { - pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); - if (pDevice->skb == NULL) - return -ENOMEM; - } + pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); + if (pDevice->skb == NULL) + return -ENOMEM; + } - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdev %s for WPA management\n", - dev->name, pDevice->wpadev->name); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdev %s for WPA management\n", + dev->name, pDevice->wpadev->name); return 0; } - /* * Description: * unregister net_device (wpadev) @@ -141,29 +134,24 @@ static int wpa_init_wpadev(PSDevice pDevice) * Return Value: * */ - static int wpa_release_wpadev(PSDevice pDevice) { - if (pDevice->skb) { - dev_kfree_skb(pDevice->skb); - pDevice->skb = NULL; - } + if (pDevice->skb) { + dev_kfree_skb(pDevice->skb); + pDevice->skb = NULL; + } - if (pDevice->wpadev) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n", - pDevice->dev->name, pDevice->wpadev->name); - unregister_netdev(pDevice->wpadev); - free_netdev(pDevice->wpadev); - pDevice->wpadev = NULL; - } + if (pDevice->wpadev) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n", + pDevice->dev->name, pDevice->wpadev->name); + unregister_netdev(pDevice->wpadev); + free_netdev(pDevice->wpadev); + pDevice->wpadev = NULL; + } return 0; } - - - - /* * Description: * Set enable/disable dev for wpa supplicant deamon @@ -177,13 +165,11 @@ static int wpa_release_wpadev(PSDevice pDevice) * Return Value: * */ - int wpa_set_wpadev(PSDevice pDevice, int val) { if (val) return wpa_init_wpadev(pDevice); - else - return wpa_release_wpadev(pDevice); + return wpa_release_wpadev(pDevice); } /* @@ -199,245 +185,217 @@ int wpa_set_wpadev(PSDevice pDevice, int val) * Return Value: * */ - int wpa_set_keys(PSDevice pDevice, void *ctx, BOOL fcpfkernel) { - struct viawget_wpa_param *param=ctx; - PSMgmtObject pMgmt = &(pDevice->sMgmtObj); - DWORD dwKeyIndex = 0; - BYTE abyKey[MAX_KEY_LEN]; - BYTE abySeq[MAX_KEY_LEN]; - QWORD KeyRSC; -// NDIS_802_11_KEY_RSC KeyRSC; - BYTE byKeyDecMode = KEY_CTL_WEP; + struct viawget_wpa_param *param = ctx; + PSMgmtObject pMgmt = &pDevice->sMgmtObj; + DWORD dwKeyIndex = 0; + BYTE abyKey[MAX_KEY_LEN]; + BYTE abySeq[MAX_KEY_LEN]; + QWORD KeyRSC; + BYTE byKeyDecMode = KEY_CTL_WEP; int ret = 0; - int uu, ii; - + int uu; + int ii; if (param->u.wpa_key.alg_name > WPA_ALG_CCMP) return -EINVAL; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", param->u.wpa_key.alg_name); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", + param->u.wpa_key.alg_name); if (param->u.wpa_key.alg_name == WPA_ALG_NONE) { - pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled; - pDevice->bEncryptionEnable = FALSE; - pDevice->byKeyIndex = 0; - pDevice->bTransmitKey = FALSE; - for (uu=0; uu<MAX_KEY_TABLE; uu++) { - MACvDisableKeyEntry(pDevice, uu); - } - return ret; - } + pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled; + pDevice->bEncryptionEnable = FALSE; + pDevice->byKeyIndex = 0; + pDevice->bTransmitKey = FALSE; + for (uu=0; uu<MAX_KEY_TABLE; uu++) { + MACvDisableKeyEntry(pDevice, uu); + } + return ret; + } if (param->u.wpa_key.key && param->u.wpa_key.key_len > sizeof(abyKey)) return -EINVAL; - spin_unlock_irq(&pDevice->lock); - if(param->u.wpa_key.key && fcpfkernel) { - memcpy(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len); - } - else { - if (param->u.wpa_key.key && - copy_from_user(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len)) { - spin_lock_irq(&pDevice->lock); - return -EINVAL; + spin_unlock_irq(&pDevice->lock); + if (param->u.wpa_key.key && fcpfkernel) { + memcpy(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len); + } else { + if (param->u.wpa_key.key && + copy_from_user(&abyKey[0], param->u.wpa_key.key, + param->u.wpa_key.key_len)) { + spin_lock_irq(&pDevice->lock); + return -EINVAL; + } } - } - spin_lock_irq(&pDevice->lock); + spin_lock_irq(&pDevice->lock); - dwKeyIndex = (DWORD)(param->u.wpa_key.key_index); + dwKeyIndex = (DWORD)(param->u.wpa_key.key_index); if (param->u.wpa_key.alg_name == WPA_ALG_WEP) { - if (dwKeyIndex > 3) { - return -EINVAL; - } - else { - if (param->u.wpa_key.set_tx) { - pDevice->byKeyIndex = (BYTE)dwKeyIndex; - pDevice->bTransmitKey = TRUE; - dwKeyIndex |= (1 << 31); - } - KeybSetDefaultKey( pDevice, - &(pDevice->sKey), - dwKeyIndex & ~(BIT30 | USE_KEYRSC), - param->u.wpa_key.key_len, - NULL, - abyKey, - KEY_CTL_WEP - ); - - } - pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled; - pDevice->bEncryptionEnable = TRUE; - return ret; + if (dwKeyIndex > 3) { + return -EINVAL; + } else { + if (param->u.wpa_key.set_tx) { + pDevice->byKeyIndex = (BYTE)dwKeyIndex; + pDevice->bTransmitKey = TRUE; + dwKeyIndex |= (1 << 31); + } + KeybSetDefaultKey( pDevice, + &(pDevice->sKey), + dwKeyIndex & ~(BIT30 | USE_KEYRSC), + param->u.wpa_key.key_len, + NULL, + abyKey, + KEY_CTL_WEP + ); + + } + pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled; + pDevice->bEncryptionEnable = TRUE; + return ret; } if (param->u.wpa_key.seq && param->u.wpa_key.seq_len > sizeof(abySeq)) return -EINVAL; - spin_unlock_irq(&pDevice->lock); - if(param->u.wpa_key.seq && fcpfkernel) { - memcpy(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len); - } - else { - if (param->u.wpa_key.seq && - copy_from_user(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len)) { - spin_lock_irq(&pDevice->lock); - return -EINVAL; - } + spin_unlock_irq(&pDevice->lock); + if (param->u.wpa_key.seq && fcpfkernel) { + memcpy(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len); + } else { + if (param->u.wpa_key.seq && + copy_from_user(&abySeq[0], param->u.wpa_key.seq, + param->u.wpa_key.seq_len)) { + spin_lock_irq(&pDevice->lock); + return -EINVAL; + } } spin_lock_irq(&pDevice->lock); if (param->u.wpa_key.seq_len > 0) { for (ii = 0 ; ii < param->u.wpa_key.seq_len ; ii++) { - if (ii < 4) - LODWORD(KeyRSC) |= (abySeq[ii] << (ii * 8)); - else - HIDWORD(KeyRSC) |= (abySeq[ii] << ((ii-4) * 8)); - //KeyRSC |= (abySeq[ii] << (ii * 8)); + if (ii < 4) + LODWORD(KeyRSC) |= (abySeq[ii] << (ii * 8)); + else + HIDWORD(KeyRSC) |= (abySeq[ii] << ((ii-4) * 8)); } dwKeyIndex |= 1 << 29; } - if (param->u.wpa_key.key_index >= MAX_GROUP_KEY) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return dwKeyIndex > 3\n"); - return -EINVAL; - } + if (param->u.wpa_key.key_index >= MAX_GROUP_KEY) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return dwKeyIndex > 3\n"); + return -EINVAL; + } if (param->u.wpa_key.alg_name == WPA_ALG_TKIP) { - pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled; - } + pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled; + } if (param->u.wpa_key.alg_name == WPA_ALG_CCMP) { - pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled; - } + pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled; + } if (param->u.wpa_key.set_tx) dwKeyIndex |= (1 << 31); - if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) - byKeyDecMode = KEY_CTL_CCMP; - else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) - byKeyDecMode = KEY_CTL_TKIP; - else - byKeyDecMode = KEY_CTL_WEP; - - // Fix HCT test that set 256 bits KEY and Ndis802_11Encryption3Enabled - if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) { - if (param->u.wpa_key.key_len == MAX_KEY_LEN) - byKeyDecMode = KEY_CTL_TKIP; - else if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN) - byKeyDecMode = KEY_CTL_WEP; - else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN) - byKeyDecMode = KEY_CTL_WEP; - } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) { - if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN) - byKeyDecMode = KEY_CTL_WEP; - else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN) - byKeyDecMode = KEY_CTL_WEP; - } - - // Check TKIP key length - if ((byKeyDecMode == KEY_CTL_TKIP) && - (param->u.wpa_key.key_len != MAX_KEY_LEN)) { - // TKIP Key must be 256 bits - //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - TKIP Key must be 256 bits\n")); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return- TKIP Key must be 256 bits!\n"); - return -EINVAL; - } - // Check AES key length - if ((byKeyDecMode == KEY_CTL_CCMP) && - (param->u.wpa_key.key_len != AES_KEY_LEN)) { - // AES Key must be 128 bits - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return - AES Key must be 128 bits\n"); - return -EINVAL; - } + if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) + byKeyDecMode = KEY_CTL_CCMP; + else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) + byKeyDecMode = KEY_CTL_TKIP; + else + byKeyDecMode = KEY_CTL_WEP; + + // Fix HCT test that set 256 bits KEY and Ndis802_11Encryption3Enabled + if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) { + if (param->u.wpa_key.key_len == MAX_KEY_LEN) + byKeyDecMode = KEY_CTL_TKIP; + else if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN) + byKeyDecMode = KEY_CTL_WEP; + else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN) + byKeyDecMode = KEY_CTL_WEP; + } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) { + if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN) + byKeyDecMode = KEY_CTL_WEP; + else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN) + byKeyDecMode = KEY_CTL_WEP; + } - if (is_broadcast_ether_addr(¶m->addr[0]) || (param->addr == NULL)) { - /* if broadcast, set the key as every key entry's group key */ - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Groupe Key Assign.\n"); - - if ((KeybSetAllGroupKey(pDevice, - &(pDevice->sKey), - dwKeyIndex, - param->u.wpa_key.key_len, - (PQWORD) &(KeyRSC), - (PBYTE)abyKey, - byKeyDecMode - ) == TRUE) && - (KeybSetDefaultKey(pDevice, - &(pDevice->sKey), - dwKeyIndex, - param->u.wpa_key.key_len, - (PQWORD) &(KeyRSC), - (PBYTE)abyKey, - byKeyDecMode - ) == TRUE) ) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "GROUP Key Assign.\n"); - - } else { - //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -KeybSetDefaultKey Fail.0\n")); - return -EINVAL; - } - - } else { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Assign.\n"); - // BSSID not 0xffffffffffff - // Pairwise Key can't be WEP - if (byKeyDecMode == KEY_CTL_WEP) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key can't be WEP\n"); - return -EINVAL; - } - - dwKeyIndex |= (1 << 30); // set pairwise key - if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) { - //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - WMAC_CONFIG_IBSS_STA\n")); - return -EINVAL; - } - if (KeybSetKey(pDevice, - &(pDevice->sKey), - ¶m->addr[0], - dwKeyIndex, - param->u.wpa_key.key_len, - (PQWORD) &(KeyRSC), - (PBYTE)abyKey, - byKeyDecMode - ) == TRUE) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Set\n"); - - } else { - // Key Table Full - if (!compare_ether_addr(¶m->addr[0], pDevice->abyBSSID)) { - //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -Key Table Full.2\n")); - return -EINVAL; - - } else { - // Save Key and configure just before associate/reassociate to BSSID - // we do not implement now - return -EINVAL; - } - } - } // BSSID not 0xffffffffffff - if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) { - pDevice->byKeyIndex = (BYTE)param->u.wpa_key.key_index; - pDevice->bTransmitKey = TRUE; + // Check TKIP key length + if ((byKeyDecMode == KEY_CTL_TKIP) && + (param->u.wpa_key.key_len != MAX_KEY_LEN)) { + // TKIP Key must be 256 bits + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return- TKIP Key must be 256 bits!\n"); + return -EINVAL; } - pDevice->bEncryptionEnable = TRUE; + // Check AES key length + if ((byKeyDecMode == KEY_CTL_CCMP) && + (param->u.wpa_key.key_len != AES_KEY_LEN)) { + // AES Key must be 128 bits + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return - AES Key must be 128 bits\n"); + return -EINVAL; + } -/* - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n", - pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][0], - pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][1], - pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][2], - pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][3], - pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][4] - ); -*/ + if (is_broadcast_ether_addr(¶m->addr[0]) || (param->addr == NULL)) { + /* if broadcast, set the key as every key entry's group key */ + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Groupe Key Assign.\n"); + + if ((KeybSetAllGroupKey(pDevice, &(pDevice->sKey), dwKeyIndex, + param->u.wpa_key.key_len, + (PQWORD) &(KeyRSC), + (PBYTE)abyKey, + byKeyDecMode + ) == TRUE) && + (KeybSetDefaultKey(pDevice, + &(pDevice->sKey), + dwKeyIndex, + param->u.wpa_key.key_len, + (PQWORD) &(KeyRSC), + (PBYTE)abyKey, + byKeyDecMode + ) == TRUE) ) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "GROUP Key Assign.\n"); + } else { + return -EINVAL; + } + } else { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Assign.\n"); + // BSSID not 0xffffffffffff + // Pairwise Key can't be WEP + if (byKeyDecMode == KEY_CTL_WEP) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key can't be WEP\n"); + return -EINVAL; + } + dwKeyIndex |= (1 << 30); // set pairwise key + if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) { + //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - WMAC_CONFIG_IBSS_STA\n")); + return -EINVAL; + } + if (KeybSetKey(pDevice, &(pDevice->sKey), ¶m->addr[0], + dwKeyIndex, param->u.wpa_key.key_len, + (PQWORD) &(KeyRSC), (PBYTE)abyKey, byKeyDecMode + ) == TRUE) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Set\n"); + } else { + // Key Table Full + if (!compare_ether_addr(¶m->addr[0], pDevice->abyBSSID)) { + //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -Key Table Full.2\n")); + return -EINVAL; + } else { + // Save Key and configure just before associate/reassociate to BSSID + // we do not implement now + return -EINVAL; + } + } + } // BSSID not 0xffffffffffff + if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) { + pDevice->byKeyIndex = (BYTE)param->u.wpa_key.key_index; + pDevice->bTransmitKey = TRUE; + } + pDevice->bEncryptionEnable = TRUE; return ret; - } @@ -454,23 +412,17 @@ int wpa_set_wpadev(PSDevice pDevice, int val) * Return Value: * */ - -static int wpa_set_wpa(PSDevice pDevice, - struct viawget_wpa_param *param) +static int wpa_set_wpa(PSDevice pDevice, struct viawget_wpa_param *param) { - - PSMgmtObject pMgmt = &(pDevice->sMgmtObj); + PSMgmtObject pMgmt = &pDevice->sMgmtObj; int ret = 0; - pMgmt->eAuthenMode = WMAC_AUTH_OPEN; - pMgmt->bShareKeyAlgorithm = FALSE; + pMgmt->eAuthenMode = WMAC_AUTH_OPEN; + pMgmt->bShareKeyAlgorithm = FALSE; - return ret; + return ret; } - - - /* * Description: * set disassociate @@ -484,25 +436,21 @@ static int wpa_set_wpa(PSDevice pDevice, * Return Value: * */ - -static int wpa_set_disassociate(PSDevice pDevice, - struct viawget_wpa_param *param) +static int wpa_set_disassociate(PSDevice pDevice, struct viawget_wpa_param *param) { - PSMgmtObject pMgmt = &(pDevice->sMgmtObj); + PSMgmtObject pMgmt = &pDevice->sMgmtObj; int ret = 0; - spin_lock_irq(&pDevice->lock); - if (pDevice->bLinkPass) { - if (!memcmp(param->addr, pMgmt->abyCurrBSSID, 6)) - bScheduleCommand((void *) pDevice, WLAN_CMD_DISASSOCIATE, NULL); - } - spin_unlock_irq(&pDevice->lock); + spin_lock_irq(&pDevice->lock); + if (pDevice->bLinkPass) { + if (!memcmp(param->addr, pMgmt->abyCurrBSSID, 6)) + bScheduleCommand((void *)pDevice, WLAN_CMD_DISASSOCIATE, NULL); + } + spin_unlock_irq(&pDevice->lock); - return ret; + return ret; } - - /* * Description: * enable scan process @@ -516,36 +464,30 @@ static int wpa_set_disassociate(PSDevice pDevice, * Return Value: * */ - -static int wpa_set_scan(PSDevice pDevice, - struct viawget_wpa_param *param) +static int wpa_set_scan(PSDevice pDevice, struct viawget_wpa_param *param) { int ret = 0; /**set ap_scan=1&&scan_ssid=1 under hidden ssid mode**/ - PSMgmtObject pMgmt = &(pDevice->sMgmtObj); - PWLAN_IE_SSID pItemSSID; -printk("wpa_set_scan-->desired [ssid=%s,ssid_len=%d]\n", - param->u.scan_req.ssid,param->u.scan_req.ssid_len); + PSMgmtObject pMgmt = &pDevice->sMgmtObj; + PWLAN_IE_SSID pItemSSID; + printk("wpa_set_scan-->desired [ssid=%s,ssid_len=%d]\n", + param->u.scan_req.ssid,param->u.scan_req.ssid_len); // Set the SSID -memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1); -pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID; -pItemSSID->byElementID = WLAN_EID_SSID; -memcpy(pItemSSID->abySSID, param->u.scan_req.ssid, param->u.scan_req.ssid_len); -pItemSSID->len = param->u.scan_req.ssid_len; - - spin_lock_irq(&pDevice->lock); - BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass); - /* bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL); */ - bScheduleCommand((void *) pDevice, - WLAN_CMD_BSSID_SCAN, - pMgmt->abyDesireSSID); - spin_unlock_irq(&pDevice->lock); - - return ret; -} + memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1); + pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID; + pItemSSID->byElementID = WLAN_EID_SSID; + memcpy(pItemSSID->abySSID, param->u.scan_req.ssid, param->u.scan_req.ssid_len); + pItemSSID->len = param->u.scan_req.ssid_len; + spin_lock_irq(&pDevice->lock); + BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass); + bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, + pMgmt->abyDesireSSID); + spin_unlock_irq(&pDevice->lock); + return ret; +} /* * Description: @@ -560,19 +502,15 @@ pItemSSID->len = param->u.scan_req.ssid_len; * Return Value: * */ - -static int wpa_get_bssid(PSDevice pDevice, - struct viawget_wpa_param *param) +static int wpa_get_bssid(PSDevice pDevice, struct viawget_wpa_param *param) { - PSMgmtObject pMgmt = &(pDevice->sMgmtObj); - int ret = 0; - memcpy(param->u.wpa_associate.bssid, pMgmt->abyCurrBSSID , 6); + PSMgmtObject pMgmt = &pDevice->sMgmtObj; + int ret = 0; + memcpy(param->u.wpa_associate.bssid, pMgmt->abyCurrBSSID, 6); return ret; - } - /* * Description: * get bssid @@ -586,24 +524,20 @@ static int wpa_get_bssid(PSDevice pDevice, * Return Value: * */ - -static int wpa_get_ssid(PSDevice pDevice, - struct viawget_wpa_param *param) +static int wpa_get_ssid(PSDevice pDevice, struct viawget_wpa_param *param) { - PSMgmtObject pMgmt = &(pDevice->sMgmtObj); - PWLAN_IE_SSID pItemSSID; + PSMgmtObject pMgmt = &pDevice->sMgmtObj; + PWLAN_IE_SSID pItemSSID; int ret = 0; - pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID; + pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID; - memcpy(param->u.wpa_associate.ssid, pItemSSID->abySSID , pItemSSID->len); + memcpy(param->u.wpa_associate.ssid, pItemSSID->abySSID, pItemSSID->len); param->u.wpa_associate.ssid_len = pItemSSID->len; - return ret; + return ret; } - - /* * Description: * get scan results @@ -617,135 +551,114 @@ static int wpa_get_ssid(PSDevice pDevice, * Return Value: * */ - -static int wpa_get_scan(PSDevice pDevice, - struct viawget_wpa_param *param) +static int wpa_get_scan(PSDevice pDevice, struct viawget_wpa_param *param) { struct viawget_scan_result *scan_buf; - PSMgmtObject pMgmt = &(pDevice->sMgmtObj); - PWLAN_IE_SSID pItemSSID; - PKnownBSS pBSS; - PBYTE pBuf; + PSMgmtObject pMgmt = &pDevice->sMgmtObj; + PWLAN_IE_SSID pItemSSID; + PKnownBSS pBSS; + PBYTE pBuf; int ret = 0; u16 count = 0; - u16 ii, jj; - long ldBm;//James //add + u16 ii; + u16 jj; + long ldBm; //James //add //******mike:bubble sort by stronger RSSI*****// + PBYTE ptempBSS; - PBYTE ptempBSS; - + ptempBSS = kmalloc(sizeof(KnownBSS), GFP_ATOMIC); + if (ptempBSS == NULL) { + printk("bubble sort kmalloc memory fail@@@\n"); + ret = -ENOMEM; + return ret; + } - ptempBSS = kmalloc(sizeof(KnownBSS), (int)GFP_ATOMIC); - - if (ptempBSS == NULL) { - - printk("bubble sort kmalloc memory fail@@@\n"); - - ret = -ENOMEM; - - return ret; - - } - - for (ii = 0; ii < MAX_BSS_NUM; ii++) { - - for (jj = 0; jj < MAX_BSS_NUM - ii - 1; jj++) { - - if ((pMgmt->sBSSList[jj].bActive != TRUE) || - - ((pMgmt->sBSSList[jj].uRSSI>pMgmt->sBSSList[jj+1].uRSSI) &&(pMgmt->sBSSList[jj+1].bActive!=FALSE))) { - - memcpy(ptempBSS,&pMgmt->sBSSList[jj],sizeof(KnownBSS)); - - memcpy(&pMgmt->sBSSList[jj],&pMgmt->sBSSList[jj+1],sizeof(KnownBSS)); - - memcpy(&pMgmt->sBSSList[jj+1],ptempBSS,sizeof(KnownBSS)); - - } - - } - - } - - kfree(ptempBSS); - - // printk("bubble sort result:\n"); + for (ii = 0; ii < MAX_BSS_NUM; ii++) { + for (jj = 0; jj < MAX_BSS_NUM - ii - 1; jj++) { + if ((pMgmt->sBSSList[jj].bActive != TRUE) + || ((pMgmt->sBSSList[jj].uRSSI > pMgmt->sBSSList[jj + 1].uRSSI) + && (pMgmt->sBSSList[jj + 1].bActive != FALSE))) { + memcpy(ptempBSS,&pMgmt->sBSSList[jj], sizeof(KnownBSS)); + memcpy(&pMgmt->sBSSList[jj], &pMgmt->sBSSList[jj + 1], + sizeof(KnownBSS)); + memcpy(&pMgmt->sBSSList[jj + 1], ptempBSS, sizeof(KnownBSS)); + } + } + } + kfree(ptempBSS); count = 0; pBSS = &(pMgmt->sBSSList[0]); - for (ii = 0; ii < MAX_BSS_NUM; ii++) { - pBSS = &(pMgmt->sBSSList[ii]); - if (!pBSS->bActive) - continue; - count++; - } + for (ii = 0; ii < MAX_BSS_NUM; ii++) { + pBSS = &(pMgmt->sBSSList[ii]); + if (!pBSS->bActive) + continue; + count++; + } - pBuf = kcalloc(count, sizeof(struct viawget_scan_result), (int)GFP_ATOMIC); + pBuf = kcalloc(count, sizeof(struct viawget_scan_result), GFP_ATOMIC); - if (pBuf == NULL) { - ret = -ENOMEM; - return ret; - } - scan_buf = (struct viawget_scan_result *)pBuf; + if (pBuf == NULL) { + ret = -ENOMEM; + return ret; + } + scan_buf = (struct viawget_scan_result *)pBuf; pBSS = &(pMgmt->sBSSList[0]); - for (ii = 0, jj = 0; ii < MAX_BSS_NUM ; ii++) { - pBSS = &(pMgmt->sBSSList[ii]); - if (pBSS->bActive) { - if (jj >= count) - break; - memcpy(scan_buf->bssid, pBSS->abyBSSID, WLAN_BSSID_LEN); - pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID; - memcpy(scan_buf->ssid, pItemSSID->abySSID, pItemSSID->len); - scan_buf->ssid_len = pItemSSID->len; - scan_buf->freq = frequency_list[pBSS->uChannel-1]; - scan_buf->caps = pBSS->wCapInfo; //DavidWang for sharemode - - RFvRSSITodBm(pDevice, (BYTE)(pBSS->uRSSI), &ldBm); - if(-ldBm<50){ + for (ii = 0, jj = 0; ii < MAX_BSS_NUM; ii++) { + pBSS = &(pMgmt->sBSSList[ii]); + if (pBSS->bActive) { + if (jj >= count) + break; + memcpy(scan_buf->bssid, pBSS->abyBSSID, WLAN_BSSID_LEN); + pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID; + memcpy(scan_buf->ssid, pItemSSID->abySSID, pItemSSID->len); + scan_buf->ssid_len = pItemSSID->len; + scan_buf->freq = frequency_list[pBSS->uChannel-1]; + scan_buf->caps = pBSS->wCapInfo; // DavidWang for sharemode + + RFvRSSITodBm(pDevice, (BYTE)(pBSS->uRSSI), &ldBm); + if (-ldBm < 50) scan_buf->qual = 100; - }else if(-ldBm > 90) { - scan_buf->qual = 0; - }else { + else if (-ldBm > 90) + scan_buf->qual = 0; + else scan_buf->qual=(40-(-ldBm-50))*100/40; - } //James - //scan_buf->caps = pBSS->wCapInfo; - //scan_buf->qual = - scan_buf->noise = 0; - scan_buf->level = ldBm; - - //scan_buf->maxrate = - if (pBSS->wWPALen != 0) { - scan_buf->wpa_ie_len = pBSS->wWPALen; - memcpy(scan_buf->wpa_ie, pBSS->byWPAIE, pBSS->wWPALen); - } - if (pBSS->wRSNLen != 0) { - scan_buf->rsn_ie_len = pBSS->wRSNLen; - memcpy(scan_buf->rsn_ie, pBSS->byRSNIE, pBSS->wRSNLen); - } - scan_buf = (struct viawget_scan_result *)((PBYTE)scan_buf + sizeof(struct viawget_scan_result)); - jj ++; - } - } + //scan_buf->caps = pBSS->wCapInfo; + //scan_buf->qual = + scan_buf->noise = 0; + scan_buf->level = ldBm; + + //scan_buf->maxrate = + if (pBSS->wWPALen != 0) { + scan_buf->wpa_ie_len = pBSS->wWPALen; + memcpy(scan_buf->wpa_ie, pBSS->byWPAIE, pBSS->wWPALen); + } + if (pBSS->wRSNLen != 0) { + scan_buf->rsn_ie_len = pBSS->wRSNLen; + memcpy(scan_buf->rsn_ie, pBSS->byRSNIE, pBSS->wRSNLen); + } + scan_buf = (struct viawget_scan_result *)((PBYTE)scan_buf + sizeof(struct viawget_scan_result)); + jj ++; + } + } - if (jj < count) - count = jj; + if (jj < count) + count = jj; - if (copy_to_user(param->u.scan_results.buf, pBuf, sizeof(struct viawget_scan_result) * count)) { + if (copy_to_user(param->u.scan_results.buf, pBuf, sizeof(struct viawget_scan_result) * count)) ret = -EFAULT; - } + param->u.scan_results.scan_count = count; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " param->u.scan_results.scan_count = %d\n", count) + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " param->u.scan_results.scan_count = %d\n", count); - kfree(pBuf); - return ret; + kfree(pBuf); + return ret; } - - /* * Description: * set associate with AP @@ -759,25 +672,23 @@ static int wpa_get_scan(PSDevice pDevice, * Return Value: * */ - -static int wpa_set_associate(PSDevice pDevice, - struct viawget_wpa_param *param) +static int wpa_set_associate(PSDevice pDevice, struct viawget_wpa_param *param) { - PSMgmtObject pMgmt = &(pDevice->sMgmtObj); - PWLAN_IE_SSID pItemSSID; - BYTE abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; - BYTE abyWPAIE[64]; - int ret = 0; - BOOL bwepEnabled=FALSE; + PSMgmtObject pMgmt = &pDevice->sMgmtObj; + PWLAN_IE_SSID pItemSSID; + BYTE abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; + BYTE abyWPAIE[64]; + int ret = 0; + BOOL bwepEnabled=FALSE; // set key type & algorithm - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pairwise_suite = %d\n", param->u.wpa_associate.pairwise_suite); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group_suite = %d\n", param->u.wpa_associate.group_suite); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "key_mgmt_suite = %d\n", param->u.wpa_associate.key_mgmt_suite); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "auth_alg = %d\n", param->u.wpa_associate.auth_alg); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "mode = %d\n", param->u.wpa_associate.mode); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ie_len = %d\n", param->u.wpa_associate.wpa_ie_len); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming dBm = %d\n", param->u.wpa_associate.roam_dbm); //Davidwang + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pairwise_suite = %d\n", param->u.wpa_associate.pairwise_suite); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group_suite = %d\n", param->u.wpa_associate.group_suite); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "key_mgmt_suite = %d\n", param->u.wpa_associate.key_mgmt_suite); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "auth_alg = %d\n", param->u.wpa_associate.auth_alg); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "mode = %d\n", param->u.wpa_associate.mode); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ie_len = %d\n", param->u.wpa_associate.wpa_ie_len); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming dBm = %d\n", param->u.wpa_associate.roam_dbm); // Davidwang if (param->u.wpa_associate.wpa_ie) { if (param->u.wpa_associate.wpa_ie_len > sizeof(abyWPAIE)) @@ -789,25 +700,25 @@ static int wpa_set_associate(PSDevice pDevice, } if (param->u.wpa_associate.mode == 1) - pMgmt->eConfigMode = WMAC_CONFIG_IBSS_STA; + pMgmt->eConfigMode = WMAC_CONFIG_IBSS_STA; else - pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA; + pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA; // set bssid - if (memcmp(param->u.wpa_associate.bssid, &abyNullAddr[0], 6) != 0) - memcpy(pMgmt->abyDesireBSSID, param->u.wpa_associate.bssid, 6); - // set ssid + if (memcmp(param->u.wpa_associate.bssid, &abyNullAddr[0], 6) != 0) + memcpy(pMgmt->abyDesireBSSID, param->u.wpa_associate.bssid, 6); + // set ssid memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1); - pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID; - pItemSSID->byElementID = WLAN_EID_SSID; + pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID; + pItemSSID->byElementID = WLAN_EID_SSID; pItemSSID->len = param->u.wpa_associate.ssid_len; memcpy(pItemSSID->abySSID, param->u.wpa_associate.ssid, pItemSSID->len); - if (param->u.wpa_associate.wpa_ie_len == 0) { - if (param->u.wpa_associate.auth_alg & AUTH_ALG_SHARED_KEY) - pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY; - else - pMgmt->eAuthenMode = WMAC_AUTH_OPEN; + if (param->u.wpa_associate.wpa_ie_len == 0) { + if (param->u.wpa_associate.auth_alg & AUTH_ALG_SHARED_KEY) + pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY; + else + pMgmt->eAuthenMode = WMAC_AUTH_OPEN; } else if (abyWPAIE[0] == RSN_INFO_ELEM) { if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK) pMgmt->eAuthenMode = WMAC_AUTH_WPA2PSK; @@ -817,9 +728,9 @@ static int wpa_set_associate(PSDevice pDevice, if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_WPA_NONE) pMgmt->eAuthenMode = WMAC_AUTH_WPANONE; else if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK) - pMgmt->eAuthenMode = WMAC_AUTH_WPAPSK; + pMgmt->eAuthenMode = WMAC_AUTH_WPAPSK; else - pMgmt->eAuthenMode = WMAC_AUTH_WPA; + pMgmt->eAuthenMode = WMAC_AUTH_WPA; } switch (param->u.wpa_associate.pairwise_suite) { @@ -833,7 +744,6 @@ static int wpa_set_associate(PSDevice pDevice, case CIPHER_WEP104: pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled; bwepEnabled = TRUE; - // printk("****************wpa_set_associate:set CIPHER_WEP40_104\n"); break; case CIPHER_NONE: if (param->u.wpa_associate.group_suite == CIPHER_CCMP) @@ -845,70 +755,64 @@ static int wpa_set_associate(PSDevice pDevice, pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled; } - pMgmt->Roam_dbm = param->u.wpa_associate.roam_dbm; - // if ((pMgmt->Roam_dbm > 40)&&(pMgmt->Roam_dbm<80)) - // pDevice->bEnableRoaming = TRUE; - - if (pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) { //@wep-sharekey - pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled; - pMgmt->bShareKeyAlgorithm = TRUE; - } - else if (pMgmt->eAuthenMode == WMAC_AUTH_OPEN) { - if(bwepEnabled==TRUE) { //@open-wep - pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled; - } - else { //@only open - pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled; + pMgmt->Roam_dbm = param->u.wpa_associate.roam_dbm; + if (pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) { // @wep-sharekey + pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled; + pMgmt->bShareKeyAlgorithm = TRUE; + } else if (pMgmt->eAuthenMode == WMAC_AUTH_OPEN) { + if(bwepEnabled==TRUE) { //@open-wep + pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled; + } else { + // @only open + pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled; } - } -//mike save old encryption status + } + // mike save old encryption status pDevice->eOldEncryptionStatus = pDevice->eEncryptionStatus; - if (pDevice->eEncryptionStatus != Ndis802_11EncryptionDisabled) - pDevice->bEncryptionEnable = TRUE; - else - pDevice->bEncryptionEnable = FALSE; - - if ((pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) || - ((pMgmt->eAuthenMode == WMAC_AUTH_OPEN) && (bwepEnabled==TRUE))) { - //mike re-comment:open-wep && sharekey-wep needn't do initial key!! - - } - else - KeyvInitTable(pDevice,&pDevice->sKey); + if (pDevice->eEncryptionStatus != Ndis802_11EncryptionDisabled) + pDevice->bEncryptionEnable = TRUE; + else + pDevice->bEncryptionEnable = FALSE; - spin_lock_irq(&pDevice->lock); - pDevice->bLinkPass = FALSE; - ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW); - memset(pMgmt->abyCurrBSSID, 0, 6); - pMgmt->eCurrState = WMAC_STATE_IDLE; - netif_stop_queue(pDevice->dev); + if ((pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) || + ((pMgmt->eAuthenMode == WMAC_AUTH_OPEN) && (bwepEnabled==TRUE))) { + // mike re-comment:open-wep && sharekey-wep needn't do initial key!! + } else { + KeyvInitTable(pDevice,&pDevice->sKey); + } -/*******search if ap_scan=2 ,which is associating request in hidden ssid mode ****/ -{ - PKnownBSS pCurr = NULL; - pCurr = BSSpSearchBSSList(pDevice, - pMgmt->abyDesireBSSID, - pMgmt->abyDesireSSID, - pDevice->eConfigPHYMode - ); - - if (pCurr == NULL){ - printk("wpa_set_associate---->hidden mode site survey before associate.......\n"); - bScheduleCommand((void *) pDevice, - WLAN_CMD_BSSID_SCAN, - pMgmt->abyDesireSSID); - } -} + spin_lock_irq(&pDevice->lock); + pDevice->bLinkPass = FALSE; + ControlvMaskByte(pDevice, MESSAGE_REQUEST_MACREG, MAC_REG_PAPEDELAY, LEDSTS_STS, LEDSTS_SLOW); + memset(pMgmt->abyCurrBSSID, 0, 6); + pMgmt->eCurrState = WMAC_STATE_IDLE; + netif_stop_queue(pDevice->dev); + +/******* search if ap_scan=2, which is associating request in hidden ssid mode ****/ + { + PKnownBSS pCurr = NULL; + pCurr = BSSpSearchBSSList(pDevice, + pMgmt->abyDesireBSSID, + pMgmt->abyDesireSSID, + pDevice->eConfigPHYMode + ); + + if (pCurr == NULL){ + printk("wpa_set_associate---->hidden mode site survey before associate.......\n"); + bScheduleCommand((void *)pDevice, + WLAN_CMD_BSSID_SCAN, + pMgmt->abyDesireSSID); + } + } /****************************************************************/ - bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL); - spin_unlock_irq(&pDevice->lock); + bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, NULL); + spin_unlock_irq(&pDevice->lock); - return ret; + return ret; } - /* * Description: * wpa_ioctl main function supported for wpa supplicant @@ -922,7 +826,6 @@ static int wpa_set_associate(PSDevice pDevice, * Return Value: * */ - int wpa_ioctl(PSDevice pDevice, struct iw_point *p) { struct viawget_wpa_param *param; @@ -930,10 +833,10 @@ int wpa_ioctl(PSDevice pDevice, struct iw_point *p) int wpa_ioctl = 0; if (p->length < sizeof(struct viawget_wpa_param) || - p->length > VIAWGET_WPA_MAX_BUF_SIZE || !p->pointer) + p->length > VIAWGET_WPA_MAX_BUF_SIZE || !p->pointer) return -EINVAL; - param = kmalloc((int)p->length, (int)GFP_KERNEL); + param = kmalloc((int)p->length, GFP_KERNEL); if (param == NULL) return -ENOMEM; @@ -944,63 +847,63 @@ int wpa_ioctl(PSDevice pDevice, struct iw_point *p) switch (param->cmd) { case VIAWGET_SET_WPA: - ret = wpa_set_wpa(pDevice, param); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_WPA \n"); + ret = wpa_set_wpa(pDevice, param); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_WPA \n"); break; case VIAWGET_SET_KEY: - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_KEY \n"); - spin_lock_irq(&pDevice->lock); - ret = wpa_set_keys(pDevice, param, FALSE); - spin_unlock_irq(&pDevice->lock); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_KEY \n"); + spin_lock_irq(&pDevice->lock); + ret = wpa_set_keys(pDevice, param, FALSE); + spin_unlock_irq(&pDevice->lock); break; case VIAWGET_SET_SCAN: - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_SCAN \n"); - ret = wpa_set_scan(pDevice, param); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_SCAN \n"); + ret = wpa_set_scan(pDevice, param); break; case VIAWGET_GET_SCAN: - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SCAN\n"); - ret = wpa_get_scan(pDevice, param); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SCAN\n"); + ret = wpa_get_scan(pDevice, param); wpa_ioctl = 1; break; case VIAWGET_GET_SSID: - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SSID \n"); - ret = wpa_get_ssid(pDevice, param); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SSID \n"); + ret = wpa_get_ssid(pDevice, param); wpa_ioctl = 1; break; case VIAWGET_GET_BSSID: - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_BSSID \n"); - ret = wpa_get_bssid(pDevice, param); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_BSSID \n"); + ret = wpa_get_bssid(pDevice, param); wpa_ioctl = 1; break; case VIAWGET_SET_ASSOCIATE: - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_ASSOCIATE \n"); - ret = wpa_set_associate(pDevice, param); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_ASSOCIATE \n"); + ret = wpa_set_associate(pDevice, param); break; case VIAWGET_SET_DISASSOCIATE: - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DISASSOCIATE \n"); - ret = wpa_set_disassociate(pDevice, param); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DISASSOCIATE \n"); + ret = wpa_set_disassociate(pDevice, param); break; case VIAWGET_SET_DROP_UNENCRYPT: - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DROP_UNENCRYPT \n"); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DROP_UNENCRYPT \n"); break; - case VIAWGET_SET_DEAUTHENTICATE: - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DEAUTHENTICATE \n"); + case VIAWGET_SET_DEAUTHENTICATE: + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DEAUTHENTICATE \n"); break; default: - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ioctl: unknown cmd=%d\n", - param->cmd); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ioctl: unknown cmd=%d\n", + param->cmd); + kfree(param); return -EOPNOTSUPP; - break; } if ((ret == 0) && wpa_ioctl) { @@ -1012,7 +915,5 @@ int wpa_ioctl(PSDevice pDevice, struct iw_point *p) out: kfree(param); - return ret; } - diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c index fb466f4c92e..4cd3ba5d564 100644 --- a/drivers/staging/wlan-ng/cfg80211.c +++ b/drivers/staging/wlan-ng/cfg80211.c @@ -356,7 +356,7 @@ int prism2_scan(struct wiphy *wiphy, struct net_device *dev, msg1.msgcode = DIDmsg_dot11req_scan; msg1.bsstype.data = P80211ENUM_bsstype_any; - memset(&(msg1.bssid.data), 0xFF, sizeof(p80211item_pstr6_t)); + memset(&msg1.bssid.data.data, 0xFF, sizeof(msg1.bssid.data.data)); msg1.bssid.data.len = 6; if (request->n_ssids > 0) { diff --git a/drivers/staging/wlan-ng/p80211netdev.c b/drivers/staging/wlan-ng/p80211netdev.c index 14bfeb2e704..0f51b4ab363 100644 --- a/drivers/staging/wlan-ng/p80211netdev.c +++ b/drivers/staging/wlan-ng/p80211netdev.c @@ -150,7 +150,7 @@ static int p80211knetdev_init(netdevice_t *netdev) * Returns: * the address of the statistics structure ----------------------------------------------------------------*/ -static struct net_device_stats *p80211knetdev_get_stats(netdevice_t * netdev) +static struct net_device_stats *p80211knetdev_get_stats(netdevice_t *netdev) { wlandevice_t *wlandev = netdev->ml_priv; diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c index 6675c8226ce..c3bb05dd744 100644 --- a/drivers/staging/wlan-ng/prism2mgmt.c +++ b/drivers/staging/wlan-ng/prism2mgmt.c @@ -406,6 +406,7 @@ int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp) /* SSID */ req->ssid.status = P80211ENUM_msgitem_status_data_ok; req->ssid.data.len = le16_to_cpu(item->ssid.len); + req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_BSSID_LEN); memcpy(req->ssid.data.data, item->ssid.data, req->ssid.data.len); /* supported rates */ diff --git a/drivers/staging/xgifb/XGI_main.h b/drivers/staging/xgifb/XGI_main.h index 35f7b2a485e..e828fd403c3 100644 --- a/drivers/staging/xgifb/XGI_main.h +++ b/drivers/staging/xgifb/XGI_main.h @@ -7,47 +7,32 @@ #include "XGIfb.h" #include "vb_struct.h" +#include "../../video/sis/sis.h" #include "vb_def.h" #define XGIFAIL(x) do { printk(x "\n"); return -EINVAL; } while (0) -#ifndef PCI_VENDOR_ID_XG -#define PCI_VENDOR_ID_XG 0x18CA +#ifndef PCI_DEVICE_ID_XGI_41 +#define PCI_DEVICE_ID_XGI_41 0x041 #endif - -#ifndef PCI_DEVICE_ID_XG_40 -#define PCI_DEVICE_ID_XG_40 0x040 -#endif -#ifndef PCI_DEVICE_ID_XG_41 -#define PCI_DEVICE_ID_XG_41 0x041 -#endif -#ifndef PCI_DEVICE_ID_XG_42 -#define PCI_DEVICE_ID_XG_42 0x042 +#ifndef PCI_DEVICE_ID_XGI_42 +#define PCI_DEVICE_ID_XGI_42 0x042 #endif -#ifndef PCI_DEVICE_ID_XG_20 -#define PCI_DEVICE_ID_XG_20 0x020 -#endif -#ifndef PCI_DEVICE_ID_XG_27 -#define PCI_DEVICE_ID_XG_27 0x027 +#ifndef PCI_DEVICE_ID_XGI_27 +#define PCI_DEVICE_ID_XGI_27 0x027 #endif static DEFINE_PCI_DEVICE_TABLE(xgifb_pci_table) = { - {PCI_DEVICE(PCI_VENDOR_ID_XG, PCI_DEVICE_ID_XG_20)}, - {PCI_DEVICE(PCI_VENDOR_ID_XG, PCI_DEVICE_ID_XG_27)}, - {PCI_DEVICE(PCI_VENDOR_ID_XG, PCI_DEVICE_ID_XG_40)}, - {PCI_DEVICE(PCI_VENDOR_ID_XG, PCI_DEVICE_ID_XG_42)}, + {PCI_DEVICE(PCI_VENDOR_ID_XGI, PCI_DEVICE_ID_XGI_20)}, + {PCI_DEVICE(PCI_VENDOR_ID_XGI, PCI_DEVICE_ID_XGI_27)}, + {PCI_DEVICE(PCI_VENDOR_ID_XGI, PCI_DEVICE_ID_XGI_40)}, + {PCI_DEVICE(PCI_VENDOR_ID_XGI, PCI_DEVICE_ID_XGI_42)}, {0} }; MODULE_DEVICE_TABLE(pci, xgifb_pci_table); /* To be included in fb.h */ -#ifndef FB_ACCEL_XGI_XABRE -#define FB_ACCEL_XGI_XABRE 41 /* XGI 330 ("Xabre") */ -#endif - -#define SEQ_DATA 0x15 - #define XGISR (xgifb_info->dev_info.P3c4) #define XGICR (xgifb_info->dev_info.P3d4) #define XGIDACA (xgifb_info->dev_info.P3c8) @@ -60,12 +45,6 @@ MODULE_DEVICE_TABLE(pci, xgifb_pci_table); #define XGIDAC2A XGIPART5 #define XGIDAC2D (XGIPART5 + 1) -#define IND_XGI_PASSWORD 0x05 /* SRs */ -#define IND_XGI_RAMDAC_CONTROL 0x07 -#define IND_XGI_DRAM_SIZE 0x14 -#define IND_XGI_MODULE_ENABLE 0x1E -#define IND_XGI_PCI_ADDRESS_SET 0x20 - #define IND_XGI_SCRATCH_REG_CR30 0x30 /* CRs */ #define IND_XGI_SCRATCH_REG_CR31 0x31 #define IND_XGI_SCRATCH_REG_CR32 0x32 @@ -73,10 +52,6 @@ MODULE_DEVICE_TABLE(pci, xgifb_pci_table); #define IND_XGI_LCD_PANEL 0x36 #define IND_XGI_SCRATCH_REG_CR37 0x37 -#define IND_XGI_CRT2_WRITE_ENABLE_315 0x2F - -#define XGI_PASSWORD 0x86 /* SR05 */ - #define XGI_DRAM_SIZE_MASK 0xF0 /*SR14 */ #define XGI_DRAM_SIZE_1MB 0x00 #define XGI_DRAM_SIZE_2MB 0x01 @@ -88,37 +63,6 @@ MODULE_DEVICE_TABLE(pci, xgifb_pci_table); #define XGI_DRAM_SIZE_128MB 0x07 #define XGI_DRAM_SIZE_256MB 0x08 -#define XGI_ENABLE_2D 0x40 /* SR1E */ - -#define XGI_MEM_MAP_IO_ENABLE 0x01 /* SR20 */ -#define XGI_PCI_ADDR_ENABLE 0x80 - -#define XGI_SIMULTANEOUS_VIEW_ENABLE 0x01 /* CR30 */ -#define XGI_VB_OUTPUT_COMPOSITE 0x04 -#define XGI_VB_OUTPUT_SVIDEO 0x08 -#define XGI_VB_OUTPUT_SCART 0x10 -#define XGI_VB_OUTPUT_LCD 0x20 -#define XGI_VB_OUTPUT_CRT2 0x40 -#define XGI_VB_OUTPUT_HIVISION 0x80 - -#define XGI_VB_OUTPUT_DISABLE 0x20 /* CR31 */ -#define XGI_DRIVER_MODE 0x40 - -#define XGI_VB_COMPOSITE 0x01 /* CR32 */ -#define XGI_VB_SVIDEO 0x02 -#define XGI_VB_SCART 0x04 -#define XGI_VB_LCD 0x08 -#define XGI_VB_CRT2 0x10 -#define XGI_CRT1 0x20 -#define XGI_VB_HIVISION 0x40 -#define XGI_VB_YPBPR 0x80 -#define XGI_VB_TV (XGI_VB_COMPOSITE | XGI_VB_SVIDEO | \ - XGI_VB_SCART | XGI_VB_HIVISION|XGI_VB_YPBPR) - -#define XGI_EXTERNAL_CHIP_MASK 0x0E /* CR37 */ -#define XGI310_EXTERNAL_CHIP_LVDS 0x02 /* in CR37 << 1 ! */ -#define XGI310_EXTERNAL_CHIP_LVDS_CHRONTEL 0x03 /* in CR37 << 1 ! */ - /* ------------------- Global Variables ----------------------------- */ /* display status */ diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c index 2502c49c9c5..21c037827de 100644 --- a/drivers/staging/xgifb/XGI_main_26.c +++ b/drivers/staging/xgifb/XGI_main_26.c @@ -4,6 +4,8 @@ * Base on TW's sis fbdev code. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + /* #include <linux/config.h> */ #include <linux/module.h> #include <linux/moduleparam.h> @@ -55,7 +57,7 @@ static unsigned int refresh_rate; #undef XGIFBDEBUG #ifdef XGIFBDEBUG -#define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args) +#define DPRINTK(fmt, args...) pr_debug("%s: " fmt, __func__ , ## args) #else #define DPRINTK(fmt, args...) #endif @@ -142,7 +144,7 @@ static inline void dumpVGAReg(void) #if 1 #define DEBUGPRN(x) #else -#define DEBUGPRN(x) printk(KERN_INFO x "\n"); +#define DEBUGPRN(x) pr_info(x "\n"); #endif /* --------------- Hardware Access Routines -------------------------- */ @@ -369,15 +371,15 @@ static void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr) XGI_Pr->P3c9 = BaseAddr + 0x19; XGI_Pr->P3da = BaseAddr + 0x2A; /* Digital video interface registers (LCD) */ - XGI_Pr->Part1Port = BaseAddr + XGI_CRT2_PORT_04; + XGI_Pr->Part1Port = BaseAddr + SIS_CRT2_PORT_04; /* 301 TV Encoder registers */ - XGI_Pr->Part2Port = BaseAddr + XGI_CRT2_PORT_10; + XGI_Pr->Part2Port = BaseAddr + SIS_CRT2_PORT_10; /* 301 Macrovision registers */ - XGI_Pr->Part3Port = BaseAddr + XGI_CRT2_PORT_12; + XGI_Pr->Part3Port = BaseAddr + SIS_CRT2_PORT_12; /* 301 VGA2 (and LCD) registers */ - XGI_Pr->Part4Port = BaseAddr + XGI_CRT2_PORT_14; + XGI_Pr->Part4Port = BaseAddr + SIS_CRT2_PORT_14; /* 301 palette address port registers */ - XGI_Pr->Part5Port = BaseAddr + XGI_CRT2_PORT_14 + 2; + XGI_Pr->Part5Port = BaseAddr + SIS_CRT2_PORT_14 + 2; } @@ -424,7 +426,7 @@ static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info, i++; } if (!j) - printk(KERN_INFO "XGIfb: Invalid mode '%s'\n", name); + pr_info("Invalid mode '%s'\n", name); } static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info, @@ -449,7 +451,7 @@ static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info, invalid: if (!j) - printk(KERN_INFO "XGIfb: Invalid VESA mode 0x%x'\n", vesamode); + pr_info("Invalid VESA mode 0x%x'\n", vesamode); } static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex) @@ -526,12 +528,6 @@ static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex) xres = 1600; yres = 1200; break; - /* case LCD_320x480: */ /* TW: FSTN */ - /* - xres = 320; - yres = 480; - break; - */ default: xres = 0; yres = 0; @@ -692,7 +688,7 @@ static void XGIfb_search_crt2type(const char *name) i++; } if (XGIfb_crt2type < 0) - printk(KERN_INFO "XGIfb: Invalid CRT2 type: %s\n", name); + pr_info("Invalid CRT2 type: %s\n", name); } static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info, @@ -742,7 +738,7 @@ static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info, if (xgifb_info->rate_idx > 0) { return xgifb_info->rate_idx; } else { - printk(KERN_INFO "XGIfb: Unsupported rate %d for %dx%d\n", + pr_info("Unsupported rate %d for %dx%d\n", rate, xres, yres); return 0; } @@ -811,27 +807,27 @@ static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info) switch (xgifb_info->display2) { case XGIFB_DISP_CRT: - cr30 = (XGI_VB_OUTPUT_CRT2 | XGI_SIMULTANEOUS_VIEW_ENABLE); - cr31 |= XGI_DRIVER_MODE; + cr30 = (SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE); + cr31 |= SIS_DRIVER_MODE; break; case XGIFB_DISP_LCD: - cr30 = (XGI_VB_OUTPUT_LCD | XGI_SIMULTANEOUS_VIEW_ENABLE); - cr31 |= XGI_DRIVER_MODE; + cr30 = (SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE); + cr31 |= SIS_DRIVER_MODE; break; case XGIFB_DISP_TV: if (xgifb_info->TV_type == TVMODE_HIVISION) - cr30 = (XGI_VB_OUTPUT_HIVISION - | XGI_SIMULTANEOUS_VIEW_ENABLE); + cr30 = (SIS_VB_OUTPUT_HIVISION + | SIS_SIMULTANEOUS_VIEW_ENABLE); else if (xgifb_info->TV_plug == TVPLUG_SVIDEO) - cr30 = (XGI_VB_OUTPUT_SVIDEO - | XGI_SIMULTANEOUS_VIEW_ENABLE); + cr30 = (SIS_VB_OUTPUT_SVIDEO + | SIS_SIMULTANEOUS_VIEW_ENABLE); else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE) - cr30 = (XGI_VB_OUTPUT_COMPOSITE - | XGI_SIMULTANEOUS_VIEW_ENABLE); + cr30 = (SIS_VB_OUTPUT_COMPOSITE + | SIS_SIMULTANEOUS_VIEW_ENABLE); else if (xgifb_info->TV_plug == TVPLUG_SCART) - cr30 = (XGI_VB_OUTPUT_SCART - | XGI_SIMULTANEOUS_VIEW_ENABLE); - cr31 |= XGI_DRIVER_MODE; + cr30 = (SIS_VB_OUTPUT_SCART + | SIS_SIMULTANEOUS_VIEW_ENABLE); + cr31 |= SIS_DRIVER_MODE; if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL) cr31 |= 0x01; @@ -840,7 +836,7 @@ static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info) break; default: /* disable CRT2 */ cr30 = 0x00; - cr31 |= (XGI_DRIVER_MODE | XGI_VB_OUTPUT_DISABLE); + cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE); } xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30); @@ -854,7 +850,7 @@ static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info) u8 reg; unsigned char doit = 1; /* - xgifb_reg_set(XGISR,IND_XGI_PASSWORD,XGI_PASSWORD); + xgifb_reg_set(XGISR,IND_SIS_PASSWORD,SIS_PASSWORD); xgifb_reg_set(XGICR, 0x13, 0x00); xgifb_reg_and_or(XGISR,0x0E, 0xF0, 0x01); *test* @@ -890,7 +886,7 @@ static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info) reg |= 0x80; xgifb_reg_set(XGICR, 0x17, reg); - xgifb_reg_and(XGISR, IND_XGI_RAMDAC_CONTROL, ~0x04); + xgifb_reg_and(XGISR, IND_SIS_RAMDAC_CONTROL, ~0x04); if (xgifb_info->display2 == XGIFB_DISP_TV && xgifb_info->hasVB == HASVB_301) { @@ -923,7 +919,7 @@ static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info) break; } xgifb_reg_or(XGIPART1, - IND_XGI_CRT2_WRITE_ENABLE_315, + SIS_CRT2_WENABLE_315, 0x01); if (xgifb_info->TV_type == TVMODE_NTSC) { @@ -1118,7 +1114,7 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive, if (!htotal || !vtotal) { DPRINTK("XGIfb: Invalid 'var' information\n"); return -EINVAL; - } printk(KERN_DEBUG "XGIfb: var->pixclock=%d, htotal=%d, vtotal=%d\n", + } pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n", var->pixclock, htotal, vtotal); if (var->pixclock && htotal && vtotal) { @@ -1130,7 +1126,7 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive, xgifb_info->refresh_rate = 60; } - printk(KERN_DEBUG "XGIfb: Change mode to %dx%dx%d-%dHz\n", + pr_debug("Change mode to %dx%dx%d-%dHz\n", var->xres, var->yres, var->bits_per_pixel, @@ -1158,7 +1154,7 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive, xgifb_info->mode_idx = -1; if (xgifb_info->mode_idx < 0) { - printk(KERN_ERR "XGIfb: Mode %dx%dx%d not supported\n", + pr_err("Mode %dx%dx%d not supported\n", var->xres, var->yres, var->bits_per_pixel); xgifb_info->mode_idx = old_mode; return -EINVAL; @@ -1177,14 +1173,14 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive, if (XGISetModeNew(xgifb_info, hw_info, XGIbios_mode[xgifb_info->mode_idx].mode_no) == 0) { - printk(KERN_ERR "XGIfb: Setting mode[0x%x] failed\n", + pr_err("Setting mode[0x%x] failed\n", XGIbios_mode[xgifb_info->mode_idx].mode_no); return -EINVAL; } info->fix.line_length = ((info->var.xres_virtual * info->var.bits_per_pixel) >> 6); - xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD); + xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD); xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff)); xgifb_reg_set(XGISR, @@ -1239,7 +1235,7 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive, break; default: xgifb_info->video_cmap_len = 16; - printk(KERN_ERR "XGIfb: Unsupported depth %d", + pr_err("Unsupported depth %d", xgifb_info->video_bpp); break; } @@ -1273,7 +1269,7 @@ static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info) break; } - xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD); + xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD); xgifb_reg_set(XGICR, 0x0D, base & 0xFF); xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF); @@ -1282,7 +1278,7 @@ static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info) xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04); if (xgifb_info->display2 != XGIFB_DISP_NONE) { - xgifb_reg_or(XGIPART1, IND_XGI_CRT2_WRITE_ENABLE_315, 0x01); + xgifb_reg_or(XGIPART1, SIS_CRT2_WENABLE_315, 0x01); xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF)); xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF)); xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF)); @@ -1387,7 +1383,7 @@ static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con, fix->line_length = xgifb_info->video_linelength; fix->mmio_start = xgifb_info->mmio_base; fix->mmio_len = xgifb_info->mmio_size; - fix->accel = FB_ACCEL_XGI_XABRE; + fix->accel = FB_ACCEL_SIS_XABRE; DEBUGPRN("end of get_fix"); return 0; @@ -1441,7 +1437,7 @@ static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) hrate = (drate * 1000) / htotal; xgifb_info->refresh_rate = (unsigned int) (hrate * 2 / vtotal); - printk(KERN_DEBUG + pr_debug( "%s: pixclock = %d ,htotal=%d, vtotal=%d\n" "%s: drate=%d, hrate=%d, refresh_rate=%d\n", __func__, var->pixclock, htotal, vtotal, @@ -1479,7 +1475,7 @@ static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) if (!found_mode) { - printk(KERN_ERR "XGIfb: %dx%dx%d is no valid mode\n", + pr_err("%dx%dx%d is no valid mode\n", var->xres, var->yres, var->bits_per_pixel); search_idx = 0; while (XGIbios_mode[search_idx].mode_no != 0) { @@ -1498,11 +1494,11 @@ static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) if (found_mode) { var->xres = XGIbios_mode[search_idx].xres; var->yres = XGIbios_mode[search_idx].yres; - printk(KERN_DEBUG "XGIfb: Adapted to mode %dx%dx%d\n", + pr_debug("Adapted to mode %dx%dx%d\n", var->xres, var->yres, var->bits_per_pixel); } else { - printk(KERN_ERR "XGIfb: Failed to find similar mode to %dx%dx%d\n", + pr_err("Failed to find similar mode to %dx%dx%d\n", var->xres, var->yres, var->bits_per_pixel); return -EINVAL; } @@ -1634,9 +1630,9 @@ static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info) /* xorg driver sets 32MB * 1 channel */ if (xgifb_info->chip == XG27) - xgifb_reg_set(XGISR, IND_XGI_DRAM_SIZE, 0x51); + xgifb_reg_set(XGISR, IND_SIS_DRAM_SIZE, 0x51); - reg = xgifb_reg_get(XGISR, IND_XGI_DRAM_SIZE); + reg = xgifb_reg_get(XGISR, IND_SIS_DRAM_SIZE); switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) { case XGI_DRAM_SIZE_1MB: xgifb_info->video_size = 0x100000; @@ -1711,7 +1707,7 @@ static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info) /* xgifb_info->video_size = 0x200000; */ /* 1024x768x16 */ /* xgifb_info->video_size = 0x1000000; */ /* benchmark */ - printk("XGIfb: SR14=%x DramSzie %x ChannelNum %x\n", + pr_info("SR14=%x DramSzie %x ChannelNum %x\n", reg, xgifb_info->video_size, ChannelNum); return 0; @@ -1736,7 +1732,7 @@ static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info) cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32); - if ((cr32 & XGI_CRT1) && !XGIfb_crt1off) + if ((cr32 & SIS_CRT1) && !XGIfb_crt1off) XGIfb_crt1off = 0; else { if (cr32 & 0x5F) @@ -1746,11 +1742,11 @@ static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info) } if (!xgifb_info->display2_force) { - if (cr32 & XGI_VB_TV) + if (cr32 & SIS_VB_TV) xgifb_info->display2 = XGIFB_DISP_TV; - else if (cr32 & XGI_VB_LCD) + else if (cr32 & SIS_VB_LCD) xgifb_info->display2 = XGIFB_DISP_LCD; - else if (cr32 & XGI_VB_CRT2) + else if (cr32 & SIS_VB_CRT2) xgifb_info->display2 = XGIFB_DISP_CRT; else xgifb_info->display2 = XGIFB_DISP_NONE; @@ -1759,14 +1755,14 @@ static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info) if (XGIfb_tvplug != -1) /* PR/TW: Override with option */ xgifb_info->TV_plug = XGIfb_tvplug; - else if (cr32 & XGI_VB_HIVISION) { + else if (cr32 & SIS_VB_HIVISION) { xgifb_info->TV_type = TVMODE_HIVISION; xgifb_info->TV_plug = TVPLUG_SVIDEO; - } else if (cr32 & XGI_VB_SVIDEO) + } else if (cr32 & SIS_VB_SVIDEO) xgifb_info->TV_plug = TVPLUG_SVIDEO; - else if (cr32 & XGI_VB_COMPOSITE) + else if (cr32 & SIS_VB_COMPOSITE) xgifb_info->TV_plug = TVPLUG_COMPOSITE; - else if (cr32 & XGI_VB_SCART) + else if (cr32 & SIS_VB_SCART) xgifb_info->TV_plug = TVPLUG_SCART; if (xgifb_info->TV_type == 0) { @@ -1811,11 +1807,11 @@ static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info) if (!XGIfb_has_VB(xgifb_info)) { reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37); - switch ((reg & XGI_EXTERNAL_CHIP_MASK) >> 1) { - case XGI310_EXTERNAL_CHIP_LVDS: + switch ((reg & SIS_EXTERNAL_CHIP_MASK) >> 1) { + case SIS_EXTERNAL_CHIP_LVDS: xgifb_info->hasVB = HASVB_LVDS; break; - case XGI310_EXTERNAL_CHIP_LVDS_CHRONTEL: + case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL: xgifb_info->hasVB = HASVB_LVDS_CHRONTEL; break; default: @@ -1917,7 +1913,7 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30; hw_info->pjIOAddress = (unsigned char *)xgifb_info->vga_base; /* XGI_Pr.RelIO = ioremap(pci_resource_start(pdev, 2), 128) + 0x30; */ - printk("XGIfb: Relocate IO address: %lx [%08lx]\n", + pr_info("Relocate IO address: %lx [%08lx]\n", (unsigned long)pci_resource_start(pdev, 2), xgifb_info->dev_info.RelIO); @@ -1933,17 +1929,17 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, XGIRegInit(&xgifb_info->dev_info, (unsigned long)hw_info->pjIOAddress); - xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD); - reg1 = xgifb_reg_get(XGISR, IND_XGI_PASSWORD); + xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD); + reg1 = xgifb_reg_get(XGISR, IND_SIS_PASSWORD); if (reg1 != 0xa1) { /*I/O error */ - printk("\nXGIfb: I/O error!!!"); + pr_err("I/O error!!!"); ret = -EIO; goto error; } switch (xgifb_info->chip_id) { - case PCI_DEVICE_ID_XG_20: + case PCI_DEVICE_ID_XGI_20: xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN); CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1); if (CR48&GPIOG_READ) @@ -1951,16 +1947,16 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, else xgifb_info->chip = XG20; break; - case PCI_DEVICE_ID_XG_40: + case PCI_DEVICE_ID_XGI_40: xgifb_info->chip = XG40; break; - case PCI_DEVICE_ID_XG_41: + case PCI_DEVICE_ID_XGI_41: xgifb_info->chip = XG41; break; - case PCI_DEVICE_ID_XG_42: + case PCI_DEVICE_ID_XGI_42: xgifb_info->chip = XG42; break; - case PCI_DEVICE_ID_XG_27: + case PCI_DEVICE_ID_XGI_27: xgifb_info->chip = XG27; break; default: @@ -1968,31 +1964,31 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, goto error; } - printk("XGIfb:chipid = %x\n", xgifb_info->chip); + pr_info("chipid = %x\n", xgifb_info->chip); hw_info->jChipType = xgifb_info->chip; if (XGIfb_get_dram_size(xgifb_info)) { - printk(KERN_INFO "XGIfb: Fatal error: Unable to determine RAM size.\n"); + pr_err("Fatal error: Unable to determine RAM size.\n"); ret = -ENODEV; goto error; } /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */ xgifb_reg_or(XGISR, - IND_XGI_PCI_ADDRESS_SET, - (XGI_PCI_ADDR_ENABLE | XGI_MEM_MAP_IO_ENABLE)); + IND_SIS_PCI_ADDRESS_SET, + (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE)); /* Enable 2D accelerator engine */ - xgifb_reg_or(XGISR, IND_XGI_MODULE_ENABLE, XGI_ENABLE_2D); + xgifb_reg_or(XGISR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D); hw_info->ulVideoMemorySize = xgifb_info->video_size; if (!request_mem_region(xgifb_info->video_base, xgifb_info->video_size, "XGIfb FB")) { - printk("unable request memory size %x", + pr_err("unable request memory size %x\n", xgifb_info->video_size); - printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve frame buffer memory\n"); - printk(KERN_ERR "XGIfb: Is there another framebuffer driver active?\n"); + pr_err("Fatal error: Unable to reserve frame buffer memory\n"); + pr_err("Is there another framebuffer driver active?\n"); ret = -ENODEV; goto error; } @@ -2000,7 +1996,7 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, if (!request_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size, "XGIfb MMIO")) { - printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve MMIO region\n"); + pr_err("Fatal error: Unable to reserve MMIO region\n"); ret = -ENODEV; goto error_0; } @@ -2010,20 +2006,18 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base, xgifb_info->mmio_size); - printk(KERN_INFO "XGIfb: Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n", + pr_info("Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n", xgifb_info->video_base, xgifb_info->video_vbase, xgifb_info->video_size / 1024); - printk(KERN_INFO "XGIfb: MMIO at 0x%lx, mapped to 0x%p, size %ldk\n", + pr_info("MMIO at 0x%lx, mapped to 0x%p, size %ldk\n", xgifb_info->mmio_base, xgifb_info->mmio_vbase, xgifb_info->mmio_size / 1024); - printk("XGIfb: XGIInitNew() ..."); + pci_set_drvdata(pdev, xgifb_info); - if (XGIInitNew(pdev)) - printk("OK\n"); - else - printk("Fail\n"); + if (!XGIInitNew(pdev)) + pr_err("XGIInitNew() failed!\n"); xgifb_info->mtrr = (unsigned int) 0; @@ -2033,13 +2027,12 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, xgifb_info->hasVB = HASVB_NONE; } else if (xgifb_info->chip == XG21) { CR38 = xgifb_reg_get(XGICR, 0x38); - if ((CR38&0xE0) == 0xC0) { + if ((CR38&0xE0) == 0xC0) xgifb_info->display2 = XGIFB_DISP_LCD; - } else if ((CR38&0xE0) == 0x60) { + else if ((CR38&0xE0) == 0x60) xgifb_info->hasVB = HASVB_CHRONTEL; - } else { + else xgifb_info->hasVB = HASVB_NONE; - } } else { XGIfb_get_VB_type(xgifb_info); } @@ -2053,10 +2046,10 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, reg = xgifb_reg_get(XGIPART4, 0x01); if (reg >= 0xE0) { hw_info->ujVBChipID = VB_CHIP_302LV; - printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg); + pr_info("XGI302LV bridge detected (revision 0x%02x)\n", reg); } else if (reg >= 0xD0) { hw_info->ujVBChipID = VB_CHIP_301LV; - printk(KERN_INFO "XGIfb: XGI301LV bridge detected (revision 0x%02x)\n", reg); + pr_info("XGI301LV bridge detected (revision 0x%02x)\n", reg); } /* else if (reg >= 0xB0) { hw_info->ujVBChipID = VB_CHIP_301B; @@ -2065,17 +2058,17 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, } */ else { hw_info->ujVBChipID = VB_CHIP_301; - printk("XGIfb: XGI301 bridge detected\n"); + pr_info("XGI301 bridge detected\n"); } break; case HASVB_302: reg = xgifb_reg_get(XGIPART4, 0x01); if (reg >= 0xE0) { hw_info->ujVBChipID = VB_CHIP_302LV; - printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg); + pr_info("XGI302LV bridge detected (revision 0x%02x)\n", reg); } else if (reg >= 0xD0) { hw_info->ujVBChipID = VB_CHIP_301LV; - printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg); + pr_info("XGI302LV bridge detected (revision 0x%02x)\n", reg); } else if (reg >= 0xB0) { reg1 = xgifb_reg_get(XGIPART4, 0x23); @@ -2083,27 +2076,27 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, } else { hw_info->ujVBChipID = VB_CHIP_302; - printk(KERN_INFO "XGIfb: XGI302 bridge detected\n"); + pr_info("XGI302 bridge detected\n"); } break; case HASVB_LVDS: hw_info->ulExternalChip = 0x1; - printk(KERN_INFO "XGIfb: LVDS transmitter detected\n"); + pr_info("LVDS transmitter detected\n"); break; case HASVB_TRUMPION: hw_info->ulExternalChip = 0x2; - printk(KERN_INFO "XGIfb: Trumpion Zurac LVDS scaler detected\n"); + pr_info("Trumpion Zurac LVDS scaler detected\n"); break; case HASVB_CHRONTEL: hw_info->ulExternalChip = 0x4; - printk(KERN_INFO "XGIfb: Chrontel TV encoder detected\n"); + pr_info("Chrontel TV encoder detected\n"); break; case HASVB_LVDS_CHRONTEL: hw_info->ulExternalChip = 0x5; - printk(KERN_INFO "XGIfb: LVDS transmitter and Chrontel TV encoder detected\n"); + pr_info("LVDS transmitter and Chrontel TV encoder detected\n"); break; default: - printk(KERN_INFO "XGIfb: No or unknown bridge type detected\n"); + pr_info("No or unknown bridge type detected\n"); break; } @@ -2117,10 +2110,6 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL); reg &= 0x0f; hw_info->ulCRT2LCDType = XGI310paneltype[reg]; - - } else { - /* TW: FSTN/DSTN */ - hw_info->ulCRT2LCDType = LCD_320x480; } } @@ -2147,9 +2136,6 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, if (tmp & 0x20) { tmp = xgifb_reg_get( XGIPART1, 0x13); - if (tmp & 0x04) { - /* XGI_Pr.XGI_UseLCDA = 1; */ - } } } } @@ -2222,12 +2208,12 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, break; default: xgifb_info->video_cmap_len = 16; - printk(KERN_INFO "XGIfb: Unsupported depth %d", + pr_info("Unsupported depth %d\n", xgifb_info->video_bpp); break; } - printk(KERN_INFO "XGIfb: Default mode is %dx%dx%d (%dHz)\n", + pr_info("Default mode is %dx%dx%d (%dHz)\n", xgifb_info->video_width, xgifb_info->video_height, xgifb_info->video_bpp, @@ -2404,7 +2390,7 @@ MODULE_PARM_DESC(filter, static void __exit xgifb_remove_module(void) { pci_unregister_driver(&xgifb_driver); - printk(KERN_DEBUG "xgifb: Module unloaded\n"); + pr_debug("Module unloaded\n"); } module_exit(xgifb_remove_module); diff --git a/drivers/staging/xgifb/XGIfb.h b/drivers/staging/xgifb/XGIfb.h index 2c866bb65a0..37bb730de04 100644 --- a/drivers/staging/xgifb/XGIfb.h +++ b/drivers/staging/xgifb/XGIfb.h @@ -3,8 +3,8 @@ #include <linux/ioctl.h> #include <linux/types.h> -#include "vb_struct.h" #include "vgatypes.h" +#include "vb_struct.h" enum xgifb_display_type { XGIFB_DISP_NONE = 0, diff --git a/drivers/staging/xgifb/vb_def.h b/drivers/staging/xgifb/vb_def.h index 5beeef99bb1..c7317931f67 100644 --- a/drivers/staging/xgifb/vb_def.h +++ b/drivers/staging/xgifb/vb_def.h @@ -1,153 +1,48 @@ /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/xgi/initdef.h * ,v 1.4 2000/12/02 01:16:17 dawes Exp $*/ -#ifndef _INITDEF_ -#define _INITDEF_ +#ifndef _VB_DEF_ +#define _VB_DEF_ +#include "../../video/sis/initdef.h" #define VB_XGI301C 0x0020 /* for 301C */ -/*end 301b*/ - -#define VB_YPbPr525p 0x01 -#define VB_YPbPr750p 0x02 #define VB_YPbPr1080i 0x03 #define LVDSCRT1Len 15 - -#define SupportCHTV 0x0800 #define SupportCRT2in301C 0x0100 /* for 301C */ #define SetCHTVOverScan 0x8000 -#define PanelRGB18Bit 0x0100 -#define PanelRGB24Bit 0x0000 -#define Panel320x480 0x07 /*fstn*/ +#define Panel_320x480 0x07 /*fstn*/ /* [ycchen] 02/12/03 Modify for Multi-Sync. LCD Support */ #define PanelResInfo 0x1F /* CR36 Panel Type/LCDResInfo */ -#define Panel800x600 0x01 -#define Panel1024x768 0x02 -#define Panel1024x768x75 0x22 -#define Panel1280x1024 0x03 -#define Panel1280x1024x75 0x23 -#define Panel640x480 0x04 -#define Panel1280x960 0x07 -#define Panel1400x1050 0x09 -#define Panel1600x1200 0x0B +#define Panel_1024x768x75 0x22 +#define Panel_1280x1024x75 0x23 #define PanelRef60Hz 0x00 #define PanelRef75Hz 0x20 -#define CRT2DisplayFlag 0x2000 - #define YPbPr525iVCLK 0x03B #define YPbPr525iVCLK_2 0x03A #define XGI_CRT2_PORT_00 (0x00 - 0x030) -#define XGI_CRT2_PORT_04 (0x04 - 0x030) -#define XGI_CRT2_PORT_10 (0x10 - 0x30) -#define XGI_CRT2_PORT_12 (0x12 - 0x30) -#define XGI_CRT2_PORT_14 (0x14 - 0x30) - -#define _PanelType00 0x00 -#define _PanelType01 0x08 -#define _PanelType02 0x10 -#define _PanelType03 0x18 -#define _PanelType04 0x20 -#define _PanelType05 0x28 -#define _PanelType06 0x30 -#define _PanelType07 0x38 -#define _PanelType08 0x40 -#define _PanelType09 0x48 -#define _PanelType0A 0x50 -#define _PanelType0B 0x58 -#define _PanelType0C 0x60 -#define _PanelType0D 0x68 -#define _PanelType0E 0x70 -#define _PanelType0F 0x78 /* ============================================================= for 310 ============================================================== */ -/* add LCDDataList for GetLCDPtr */ -#define LCDDataList (VBIOSTablePointerStart+0x22) -/* */ -/* Modify from 310.inc */ -/* */ -/* */ - #define ModeSoftSetting 0x04 -#define BoardTVType 0x02 - -#define SoftDRAMType 0x80 /* DRAMSetting */ - /* ---------------- SetMode Stack */ #define CRT1Len 15 #define VCLKLen 4 -#define VGA_XGI340 0x0001 /* 340 series */ - -#define VB_XGI301 0x0001 /* VB Type Info */ -#define VB_XGI301B 0x0002 /* 301 series */ -#define VB_XGI302B 0x0004 -#define VB_NoLCD 0x8000 -#define VB_XGI301LV 0x0008 -#define VB_XGI302LV 0x0010 -#define VB_LVDS_NS 0x0001 /* 3rd party chip */ - -#define ModeInfoFlag 0x0007 -#define ModeText 0x0000 -#define ModeEGA 0x0002 /* 16 colors mode */ -#define ModeVGA 0x0003 /* 256 colors mode */ - -#define DACInfoFlag 0x0018 - -#define MemoryInfoFlag 0x01e0 -#define MemorySizeShift 5 - -#define Charx8Dot 0x0200 -#define LineCompareOff 0x0400 -#define CRT2Mode 0x0800 -#define HalfDCLK 0x1000 -#define NoSupportSimuTV 0x2000 -#define DoubleScanMode 0x8000 - -/* -------------- Ext_InfoFlag */ -#define Support16Bpp 0x0005 -#define Support32Bpp 0x0007 #define SupportAllCRT2 0x0078 -#define SupportTV 0x0008 -#define SupportHiVisionTV 0x0010 -#define SupportLCD 0x0020 -#define SupportRAMDAC2 0x0040 #define NoSupportTV 0x0070 #define NoSupportHiVisionTV 0x0060 #define NoSupportLCD 0x0058 -#define SupportTV1024 0x0800 /* 301btest */ -#define SupportYPbPr 0x1000 /* 301lv */ -#define InterlaceMode 0x0080 -#define SyncPP 0x0000 -#define SyncPN 0x4000 -#define SyncNP 0x8000 -#define SyncNN 0xC000 /* -------------- SetMode Stack/Scratch */ -#define SetSimuScanMode 0x0001 /* VBInfo/CR30 & CR31 */ -#define SwitchToCRT2 0x0002 -#define SetCRT2ToTV 0x089C -#define SetCRT2ToAVIDEO 0x0004 -#define SetCRT2ToSVIDEO 0x0008 -#define SetCRT2ToSCART 0x0010 -#define SetCRT2ToLCD 0x0020 -#define SetCRT2ToRAMDAC 0x0040 -#define SetCRT2ToHiVisionTV 0x0080 -#define SetCRT2ToLCDA 0x0100 -#define SetInSlaveMode 0x0200 -#define SetNotSimuMode 0x0400 -#define SetCRT2ToYPbPr 0x0800 -#define LoadDACFlag 0x1000 -#define DisableCRT2Display 0x2000 -#define DriverMode 0x4000 +#define XGI_SetCRT2ToLCDA 0x0100 #define SetCRT2ToDualEdge 0x8000 -#define ProgrammingCRT2 0x0001 /* Set Flag */ #define ReserveTVOption 0x0008 #define GatingCRT 0x0800 #define DisableChB 0x1000 @@ -155,23 +50,14 @@ #define DisableChA 0x4000 #define EnableChA 0x8000 -#define SetNTSCTV 0x0000 /* TV Info */ -#define SetPALTV 0x0001 -#define SetNTSCJ 0x0002 -#define SetPALMTV 0x0004 -#define SetPALNTV 0x0008 -#define SetYPbPrMode525i 0x0020 -#define SetYPbPrMode525p 0x0040 -#define SetYPbPrMode750p 0x0080 -#define SetYPbPrMode1080i 0x0100 #define SetTVLowResolution 0x0400 #define TVSimuMode 0x0800 #define RPLLDIV2XO 0x1000 #define NTSC1024x768 0x2000 #define SetTVLockMode 0x4000 -#define LCDVESATiming 0x0001 /* LCD Info/CR37 */ -#define EnableLVDSDDA 0x0002 +#define XGI_LCDVESATiming 0x0001 /* LCD Info/CR37 */ +#define XGI_EnableLVDSDDA 0x0002 #define EnableScalingLCD 0x0008 #define SetPWDEnable 0x0004 #define SetLCDtoNonExpanding 0x0010 @@ -184,7 +70,7 @@ #define EnableLCD24bpp 0x0004 /* default */ #define DisableLCD24bpp 0x0000 #define LCDPolarity 0x00c0 /* default: SyncNN */ -#define LCDDualLink 0x0100 +#define XGI_LCDDualLink 0x0100 #define EnableSpectrum 0x0200 #define PWDEnable 0x0400 #define EnableVBCLKDRVLOW 0x4000 @@ -206,31 +92,21 @@ #define TVSense 0xc7 -#define TVOverScan 0x10 /* CR35 */ - #define YPbPrMode 0xe0 #define YPbPrMode525i 0x00 #define YPbPrMode525p 0x20 #define YPbPrMode750p 0x40 #define YPbPrMode1080i 0x60 - -#define LCDRGB18Bit 0x01 /* CR37 */ -#define LCDNonExpanding 0x10 -#define LCDSync 0x20 -#define LCDSyncBit 0xe0 /* H/V polarity & sync ID */ - #define ScalingLCD 0x08 -#define EnableDualEdge 0x01 /* CR38 */ -#define SetToLCDA 0x02 #define SetYPbPr 0x04 /* ---------------------- VUMA Information */ #define DisplayDeviceFromCMOS 0x10 /* ---------------------- HK Evnet Definition */ -#define ModeSwitchStatus 0xf0 +#define XGI_ModeSwitchStatus 0xf0 #define ActiveCRT1 0x10 #define ActiveLCD 0x0020 #define ActiveTV 0x40 @@ -246,28 +122,13 @@ /* translated from asm code 301def.h */ /* */ /* --------------------------------------------------------- */ -#define LCDDataLen 8 -#define TVDataLen 12 #define LVDSCRT1Len_H 8 #define LVDSCRT1Len_V 7 -#define LVDSDataLen 6 -#define LVDSDesDataLen 6 #define LCDDesDataLen 6 #define LVDSDesDataLen2 8 #define LCDDesDataLen2 8 -#define CHTVRegLen 16 -#define StHiTVHT 892 -#define StHiTVVT 1126 -#define StHiTextTVHT 1000 -#define StHiTextTVVT 1126 -#define ExtHiTVHT 2100 -#define ExtHiTVVT 1125 -#define NTSCHT 1716 -#define NTSCVT 525 #define NTSC1024x768HT 1908 -#define PALHT 1728 -#define PALVT 625 #define YPbPrTV525iHT 1716 /* YPbPr */ #define YPbPrTV525iVT 525 @@ -276,22 +137,16 @@ #define YPbPrTV750pHT 1650 #define YPbPrTV750pVT 750 -#define CRT2Delay1 0x04 /* XGI301 */ -#define CRT2Delay2 0x0A /* 301B,302 */ - - #define VCLK25_175 0x00 #define VCLK28_322 0x01 #define VCLK31_5 0x02 #define VCLK36 0x03 -#define VCLK40 0x04 #define VCLK43_163 0x05 #define VCLK44_9 0x06 #define VCLK49_5 0x07 #define VCLK50 0x08 #define VCLK52_406 0x09 #define VCLK56_25 0x0A -#define VCLK65 0x0B #define VCLK68_179 0x0D #define VCLK72_852 0x0E #define VCLK75 0x0F @@ -300,7 +155,6 @@ #define VCLK83_95 0x13 #define VCLK86_6 0x15 #define VCLK94_5 0x16 -#define VCLK108_2 0x19 #define VCLK113_309 0x1B #define VCLK116_406 0x1C #define VCLK135_5 0x1E @@ -327,16 +181,10 @@ #define VCLK125_999 0x51 #define VCLK148_5 0x52 #define VCLK217_325 0x55 -#define YPbPr750pVCLK 0x57 +#define XGI_YPbPr750pVCLK 0x57 -#define TVVCLKDIV2 0x3A -#define TVVCLK 0x3B -#define HiTVVCLKDIV2 0x3C -#define HiTVVCLK 0x3D -#define HiTVSimuVCLK 0x3E -#define HiTVTextVCLK 0x3F #define VCLK39_77 0x40 -#define YPbPr525pVCLK 0x3A +#define YPbPr525pVCLK 0x3A #define NTSC1024VCLK 0x41 #define VCLK35_2 0x49 /* ; 800x480 */ #define VCLK122_61 0x4A diff --git a/drivers/staging/xgifb/vb_init.c b/drivers/staging/xgifb/vb_init.c index 4ccd988ffd7..94d5c35e22f 100644 --- a/drivers/staging/xgifb/vb_init.c +++ b/drivers/staging/xgifb/vb_init.c @@ -3,8 +3,8 @@ #include <linux/pci.h> #include <linux/vmalloc.h> -#include "vgatypes.h" #include "XGIfb.h" +#include "vgatypes.h" #include "vb_def.h" #include "vb_struct.h" @@ -1268,7 +1268,7 @@ static void XGINew_SetModeScratch(struct xgi_hw_device_info *HwDeviceExtension, if (pVBInfo->IF_DEF_HiVision == 1) { if ((temp >> 8) & ActiveHiTV) - tempcl |= SetCRT2ToHiVisionTV; + tempcl |= SetCRT2ToHiVision; } if (pVBInfo->IF_DEF_YPbPr == 1) { @@ -1287,7 +1287,7 @@ static void XGINew_SetModeScratch(struct xgi_hw_device_info *HwDeviceExtension, if (pVBInfo->IF_DEF_HiVision == 1) { if ((temp >> 8) & ActiveHiTV) - tempcl |= SetCRT2ToHiVisionTV; + tempcl |= SetCRT2ToHiVision; } if (pVBInfo->IF_DEF_YPbPr == 1) { @@ -1299,9 +1299,9 @@ static void XGINew_SetModeScratch(struct xgi_hw_device_info *HwDeviceExtension, tempcl |= SetSimuScanMode; if ((!(temp & ActiveCRT1)) && ((temp & ActiveLCD) || (temp & ActiveTV) || (temp & ActiveCRT2))) - tempcl ^= (SetSimuScanMode | SwitchToCRT2); + tempcl ^= (SetSimuScanMode | SwitchCRT2); if ((temp & ActiveLCD) && (temp & ActiveTV)) - tempcl ^= (SetSimuScanMode | SwitchToCRT2); + tempcl ^= (SetSimuScanMode | SwitchCRT2); xgifb_reg_set(pVBInfo->P3d4, 0x30, tempcl); CR31Data = xgifb_reg_get(pVBInfo->P3d4, 0x31); @@ -1516,11 +1516,11 @@ unsigned char XGIInitNew(struct pci_dev *pdev) pVBInfo->P3c9 = pVBInfo->BaseAddr + 0x19; pVBInfo->P3da = pVBInfo->BaseAddr + 0x2A; pVBInfo->Part0Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_00; - pVBInfo->Part1Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_04; - pVBInfo->Part2Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_10; - pVBInfo->Part3Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_12; - pVBInfo->Part4Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_14; - pVBInfo->Part5Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_14 + 2; + pVBInfo->Part1Port = pVBInfo->BaseAddr + SIS_CRT2_PORT_04; + pVBInfo->Part2Port = pVBInfo->BaseAddr + SIS_CRT2_PORT_10; + pVBInfo->Part3Port = pVBInfo->BaseAddr + SIS_CRT2_PORT_12; + pVBInfo->Part4Port = pVBInfo->BaseAddr + SIS_CRT2_PORT_14; + pVBInfo->Part5Port = pVBInfo->BaseAddr + SIS_CRT2_PORT_14 + 2; printk("5"); if (HwDeviceExtension->jChipType < XG20) /* kuku 2004/06/25 */ diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c index 67a316c3c10..2919924213c 100644 --- a/drivers/staging/xgifb/vb_setmode.c +++ b/drivers/staging/xgifb/vb_setmode.c @@ -61,20 +61,20 @@ static const unsigned short XGINew_VGA_DAC[] = { void InitTo330Pointer(unsigned char ChipType, struct vb_device_info *pVBInfo) { pVBInfo->SModeIDTable = (struct XGI_StStruct *) XGI330_SModeIDTable; - pVBInfo->StandTable = (struct XGI_StandTableStruct *) XGI330_StandTable; + pVBInfo->StandTable = (struct SiS_StandTable_S *) XGI330_StandTable; pVBInfo->EModeIDTable = (struct XGI_ExtStruct *) XGI330_EModeIDTable; pVBInfo->RefIndex = (struct XGI_Ext2Struct *) XGI330_RefIndex; pVBInfo->XGINEWUB_CRT1Table = (struct XGI_CRT1TableStruct *) XGI_CRT1Table; - pVBInfo->MCLKData = (struct XGI_MCLKDataStruct *) XGI340New_MCLKData; + pVBInfo->MCLKData = (struct SiS_MCLKData *) XGI340New_MCLKData; pVBInfo->ECLKData = (struct XGI_ECLKDataStruct *) XGI340_ECLKData; - pVBInfo->VCLKData = (struct XGI_VCLKDataStruct *) XGI_VCLKData; - pVBInfo->VBVCLKData = (struct XGI_VBVCLKDataStruct *) XGI_VBVCLKData; + pVBInfo->VCLKData = (struct SiS_VCLKData *) XGI_VCLKData; + pVBInfo->VBVCLKData = (struct SiS_VBVCLKData *) XGI_VBVCLKData; pVBInfo->ScreenOffset = XGI330_ScreenOffset; - pVBInfo->StResInfo = (struct XGI_StResInfoStruct *) XGI330_StResInfo; + pVBInfo->StResInfo = (struct SiS_StResInfo_S *) XGI330_StResInfo; pVBInfo->ModeResInfo - = (struct XGI_ModeResInfoStruct *) XGI330_ModeResInfo; + = (struct SiS_ModeResInfo_S *) XGI330_ModeResInfo; pVBInfo->pOutputSelect = &XGI330_OutputSelect; pVBInfo->pSoftSetting = &XGI330_SoftSetting; @@ -138,7 +138,7 @@ void InitTo330Pointer(unsigned char ChipType, struct vb_device_info *pVBInfo) pVBInfo->UpdateCRT1 = (struct XGI_XG21CRT1Struct *) XGI_UpdateCRT1Table; /* 310 customization related */ - if ((pVBInfo->VBType & VB_XGI301LV) || (pVBInfo->VBType & VB_XGI302LV)) + if ((pVBInfo->VBType & VB_SIS301LV) || (pVBInfo->VBType & VB_SIS302LV)) pVBInfo->LCDCapList = XGI_LCDDLCapList; else pVBInfo->LCDCapList = XGI_LCDCapList; @@ -153,7 +153,7 @@ void InitTo330Pointer(unsigned char ChipType, struct vb_device_info *pVBInfo) if (ChipType == XG27) { pVBInfo->MCLKData - = (struct XGI_MCLKDataStruct *) XGI27New_MCLKData; + = (struct SiS_MCLKData *) XGI27New_MCLKData; pVBInfo->CR40 = XGI27_cr41; pVBInfo->pXGINew_CR97 = &XG27_CR97; pVBInfo->pSR36 = &XG27_SR36; @@ -208,8 +208,8 @@ static void XGI_SetSeqRegs(unsigned short ModeNo, xgifb_reg_set(pVBInfo->P3c4, 0x00, 0x03); /* Set SR0 */ tempah = pVBInfo->StandTable[StandTableIndex].SR[0]; - i = SetCRT2ToLCDA; - if (pVBInfo->VBInfo & SetCRT2ToLCDA) { + i = XGI_SetCRT2ToLCDA; + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) { tempah |= 0x01; } else { if (pVBInfo->VBInfo & (SetCRT2ToTV | SetCRT2ToLCD)) { @@ -263,7 +263,7 @@ static void XGI_SetATTRegs(unsigned short ModeNo, ARdata = pVBInfo->StandTable[StandTableIndex].ATTR[i]; if (modeflag & Charx8Dot) { /* ifndef Dot9 */ if (i == 0x13) { - if (pVBInfo->VBInfo & SetCRT2ToLCDA) { + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) { ARdata = 0; } else { if (pVBInfo->VBInfo & (SetCRT2ToTV @@ -356,11 +356,11 @@ static unsigned char XGI_AjustCRT2Rate(unsigned short ModeNo, } /* 301b */ - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) { + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { tempax |= SupportLCD; - if (pVBInfo->LCDResInfo != Panel1280x1024) { - if (pVBInfo->LCDResInfo != Panel1280x960) { + if (pVBInfo->LCDResInfo != Panel_1280x1024) { + if (pVBInfo->LCDResInfo != Panel_1280x960) { if (pVBInfo->LCDInfo & LCDNonExpanding) { if (resinfo >= 9) { @@ -372,10 +372,10 @@ static unsigned char XGI_AjustCRT2Rate(unsigned short ModeNo, } } - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { /* for HiTV */ - if ((pVBInfo->VBType & VB_XGI301LV) && + if (pVBInfo->VBInfo & SetCRT2ToHiVision) { /* for HiTV */ + if ((pVBInfo->VBType & VB_SIS301LV) && (pVBInfo->VBExtInfo == VB_YPbPr1080i)) { - tempax |= SupportYPbPr; + tempax |= SupportYPbPr750p; if (pVBInfo->VBInfo & SetInSlaveMode) { if (resinfo == 4) return 0; @@ -387,7 +387,7 @@ static unsigned char XGI_AjustCRT2Rate(unsigned short ModeNo, return 0; } } else { - tempax |= SupportHiVisionTV; + tempax |= SupportHiVision; if (pVBInfo->VBInfo & SetInSlaveMode) { if (resinfo == 4) return 0; @@ -406,17 +406,17 @@ static unsigned char XGI_AjustCRT2Rate(unsigned short ModeNo, if (pVBInfo->VBInfo & (SetCRT2ToAVIDEO | SetCRT2ToSVIDEO | SetCRT2ToSCART | - SetCRT2ToYPbPr | - SetCRT2ToHiVisionTV)) { + SetCRT2ToYPbPr525750 | + SetCRT2ToHiVision)) { tempax |= SupportTV; - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B - | VB_XGI301LV | VB_XGI302LV + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B + | VB_SIS301LV | VB_SIS302LV | VB_XGI301C)) { tempax |= SupportTV1024; } - if (!(pVBInfo->VBInfo & SetPALTV)) { + if (!(pVBInfo->VBInfo & TVSetPAL)) { if (modeflag & NoSupportSimuTV) { if (pVBInfo->VBInfo & SetInSlaveMode) { @@ -436,7 +436,7 @@ static unsigned char XGI_AjustCRT2Rate(unsigned short ModeNo, if (resinfo > 0x08) return 0; /* 1024x768 */ - if (pVBInfo->LCDResInfo < Panel1024x768) { + if (pVBInfo->LCDResInfo < Panel_1024x768) { if (resinfo > 0x07) return 0; /* 800x600 */ @@ -1230,23 +1230,23 @@ static unsigned short XGI_GetVCLK2Ptr(unsigned short ModeNo, struct xgi_hw_device_info *HwDeviceExtension, struct vb_device_info *pVBInfo) { - unsigned short LCDXlat1VCLK[4] = { VCLK65 + 2, - VCLK65 + 2, - VCLK65 + 2, - VCLK65 + 2 }; - unsigned short LCDXlat2VCLK[4] = { VCLK108_2 + 5, - VCLK108_2 + 5, - VCLK108_2 + 5, - VCLK108_2 + 5 }; + unsigned short LCDXlat1VCLK[4] = { VCLK65_315 + 2, + VCLK65_315 + 2, + VCLK65_315 + 2, + VCLK65_315 + 2 }; + unsigned short LCDXlat2VCLK[4] = { VCLK108_2_315 + 5, + VCLK108_2_315 + 5, + VCLK108_2_315 + 5, + VCLK108_2_315 + 5 }; unsigned short LVDSXlat1VCLK[4] = { VCLK40, VCLK40, VCLK40, VCLK40 }; - unsigned short LVDSXlat2VCLK[4] = { VCLK65 + 2, - VCLK65 + 2, - VCLK65 + 2, - VCLK65 + 2 }; - unsigned short LVDSXlat3VCLK[4] = { VCLK65 + 2, - VCLK65 + 2, - VCLK65 + 2, - VCLK65 + 2 }; + unsigned short LVDSXlat2VCLK[4] = { VCLK65_315 + 2, + VCLK65_315 + 2, + VCLK65_315 + 2, + VCLK65_315 + 2 }; + unsigned short LVDSXlat3VCLK[4] = { VCLK65_315 + 2, + VCLK65_315 + 2, + VCLK65_315 + 2, + VCLK65_315 + 2 }; unsigned short CRT2Index, VCLKIndex; unsigned short modeflag, resinfo; @@ -1266,36 +1266,36 @@ static unsigned short XGI_GetVCLK2Ptr(unsigned short ModeNo, if (pVBInfo->IF_DEF_LVDS == 0) { CRT2Index = CRT2Index >> 6; /* for LCD */ - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) { /*301b*/ - if (pVBInfo->LCDResInfo != Panel1024x768) + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { /*301b*/ + if (pVBInfo->LCDResInfo != Panel_1024x768) VCLKIndex = LCDXlat2VCLK[CRT2Index]; else VCLKIndex = LCDXlat1VCLK[CRT2Index]; - } else if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { + } else if (pVBInfo->VBInfo & SetCRT2ToHiVision) { if (pVBInfo->SetFlag & RPLLDIV2XO) { - VCLKIndex = HiTVVCLKDIV2; + VCLKIndex = TVCLKBASE_315 + HiTVVCLKDIV2; VCLKIndex += 25; } else { - VCLKIndex = HiTVVCLK; + VCLKIndex = TVCLKBASE_315 + HiTVVCLK; VCLKIndex += 25; } if (pVBInfo->SetFlag & TVSimuMode) { if (modeflag & Charx8Dot) { - VCLKIndex = HiTVSimuVCLK; + VCLKIndex = TVCLKBASE_315 + HiTVSimuVCLK; VCLKIndex += 25; } else { - VCLKIndex = HiTVTextVCLK; + VCLKIndex = TVCLKBASE_315 + HiTVTextVCLK; VCLKIndex += 25; } } /* 301lv */ - if ((pVBInfo->VBType & VB_XGI301LV) && + if ((pVBInfo->VBType & VB_SIS301LV) && !(pVBInfo->VBExtInfo == VB_YPbPr1080i)) { - if (pVBInfo->VBExtInfo == VB_YPbPr750p) - VCLKIndex = YPbPr750pVCLK; - else if (pVBInfo->VBExtInfo == VB_YPbPr525p) + if (pVBInfo->VBExtInfo == YPbPr750p) + VCLKIndex = XGI_YPbPr750pVCLK; + else if (pVBInfo->VBExtInfo == YPbPr525p) VCLKIndex = YPbPr525pVCLK; else if (pVBInfo->SetFlag & RPLLDIV2XO) VCLKIndex = YPbPr525iVCLK_2; @@ -1304,10 +1304,10 @@ static unsigned short XGI_GetVCLK2Ptr(unsigned short ModeNo, } } else if (pVBInfo->VBInfo & SetCRT2ToTV) { if (pVBInfo->SetFlag & RPLLDIV2XO) { - VCLKIndex = TVVCLKDIV2; + VCLKIndex = TVCLKBASE_315 + TVVCLKDIV2; VCLKIndex += 25; } else { - VCLKIndex = TVVCLK; + VCLKIndex = TVCLKBASE_315 + TVVCLK; VCLKIndex += 25; } } else { /* for CRT2 */ @@ -1329,11 +1329,11 @@ static unsigned short XGI_GetVCLK2Ptr(unsigned short ModeNo, VCLKIndex = CRT2Index; VCLKIndex = VCLKIndex >> 6; - if ((pVBInfo->LCDResInfo == Panel800x600) || - (pVBInfo->LCDResInfo == Panel320x480)) + if ((pVBInfo->LCDResInfo == Panel_800x600) || + (pVBInfo->LCDResInfo == Panel_320x480)) VCLKIndex = LVDSXlat1VCLK[VCLKIndex]; - else if ((pVBInfo->LCDResInfo == Panel1024x768) || - (pVBInfo->LCDResInfo == Panel1024x768x75)) + else if ((pVBInfo->LCDResInfo == Panel_1024x768) || + (pVBInfo->LCDResInfo == Panel_1024x768x75)) VCLKIndex = LVDSXlat2VCLK[VCLKIndex]; else VCLKIndex = LVDSXlat3VCLK[VCLKIndex]; @@ -1360,9 +1360,9 @@ static void XGI_SetCRT1VCLK(unsigned short ModeNo, xgifb_reg_set(pVBInfo->P3c4, 0x2C, pVBInfo->VCLKData[index].SR2C); xgifb_reg_set(pVBInfo->P3c4, 0x2D, 0x01); - } else if ((pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) && (pVBInfo->VBInfo - & SetCRT2ToLCDA)) { + } else if ((pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) && (pVBInfo->VBInfo + & XGI_SetCRT2ToLCDA)) { vclkindex = XGI_GetVCLK2Ptr(ModeNo, ModeIdIndex, RefreshRateTableIndex, HwDeviceExtension, pVBInfo); @@ -1801,7 +1801,7 @@ static void *XGI_GetLcdPtr(unsigned short BX, unsigned short ModeNo, Ext_CRT2CRTC; } - if (pVBInfo->VBInfo & SetCRT2ToLCDA) { + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) { if (ModeNo <= 0x13) tempal = pVBInfo->SModeIDTable[ModeIdIndex]. St_CRT2CRTC2; @@ -2128,30 +2128,30 @@ static void *XGI_GetLcdPtr(unsigned short BX, unsigned short ModeNo, return &XGI_CetLCDDes1024x768Data[tempal]; break; case 3: - if ((pVBInfo->VBType & VB_XGI301LV) || - (pVBInfo->VBType & VB_XGI302LV)) + if ((pVBInfo->VBType & VB_SIS301LV) || + (pVBInfo->VBType & VB_SIS302LV)) return &XGI_ExtLCDDLDes1280x1024Data[tempal]; else return &XGI_ExtLCDDes1280x1024Data[tempal]; break; case 4: - if ((pVBInfo->VBType & VB_XGI301LV) || - (pVBInfo->VBType & VB_XGI302LV)) + if ((pVBInfo->VBType & VB_SIS301LV) || + (pVBInfo->VBType & VB_SIS302LV)) return &XGI_StLCDDLDes1280x1024Data[tempal]; else return &XGI_StLCDDes1280x1024Data[tempal]; break; case 5: - if ((pVBInfo->VBType & VB_XGI301LV) || - (pVBInfo->VBType & VB_XGI302LV)) + if ((pVBInfo->VBType & VB_SIS301LV) || + (pVBInfo->VBType & VB_SIS302LV)) return &XGI_CetLCDDLDes1280x1024Data[tempal]; else return &XGI_CetLCDDes1280x1024Data[tempal]; break; case 6: case 7: - if ((pVBInfo->VBType & VB_XGI301LV) || - (pVBInfo->VBType & VB_XGI302LV)) + if ((pVBInfo->VBType & VB_SIS301LV) || + (pVBInfo->VBType & VB_SIS302LV)) return &xgifb_lcddldes_1400x1050[tempal]; else return &xgifb_lcddes_1400x1050[tempal]; @@ -2163,15 +2163,15 @@ static void *XGI_GetLcdPtr(unsigned short BX, unsigned short ModeNo, return &XGI_CetLCDDes1400x1050Data2[tempal]; break; case 10: - if ((pVBInfo->VBType & VB_XGI301LV) || - (pVBInfo->VBType & VB_XGI302LV)) + if ((pVBInfo->VBType & VB_SIS301LV) || + (pVBInfo->VBType & VB_SIS302LV)) return &XGI_ExtLCDDLDes1600x1200Data[tempal]; else return &XGI_ExtLCDDes1600x1200Data[tempal]; break; case 11: - if ((pVBInfo->VBType & VB_XGI301LV) || - (pVBInfo->VBType & VB_XGI302LV)) + if ((pVBInfo->VBType & VB_SIS301LV) || + (pVBInfo->VBType & VB_SIS302LV)) return &XGI_StLCDDLDes1600x1200Data[tempal]; else return &XGI_StLCDDes1600x1200Data[tempal]; @@ -2188,15 +2188,15 @@ static void *XGI_GetLcdPtr(unsigned short BX, unsigned short ModeNo, break; case 16: case 17: - if ((pVBInfo->VBType & VB_XGI301LV) || - (pVBInfo->VBType & VB_XGI302LV)) + if ((pVBInfo->VBType & VB_SIS301LV) || + (pVBInfo->VBType & VB_SIS302LV)) return &xgifb_lcddldes_1280x1024x75[tempal]; else return &xgifb_lcddes_1280x1024x75[tempal]; break; case 18: - if ((pVBInfo->VBType & VB_XGI301LV) || - (pVBInfo->VBType & VB_XGI302LV)) + if ((pVBInfo->VBType & VB_SIS301LV) || + (pVBInfo->VBType & VB_SIS302LV)) return &XGI_CetLCDDLDes1280x1024x75Data[tempal]; else return &XGI_CetLCDDes1280x1024x75Data[tempal]; @@ -2364,7 +2364,7 @@ static void XGI_GetLVDSData(unsigned short ModeNo, unsigned short ModeIdIndex, tempbx = 2; - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) { + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { LCDPtr = (struct XGI330_LVDSDataStruct *) XGI_GetLcdPtr(tempbx, ModeNo, ModeIdIndex, RefreshRateTableIndex, pVBInfo); @@ -2374,18 +2374,18 @@ static void XGI_GetLVDSData(unsigned short ModeNo, unsigned short ModeIdIndex, pVBInfo->VT = LCDPtr->LCDVT; } - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) { + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { if (!(pVBInfo->LCDInfo & (SetLCDtoNonExpanding | EnableScalingLCD))) { - if ((pVBInfo->LCDResInfo == Panel1024x768) || - (pVBInfo->LCDResInfo == Panel1024x768x75)) { + if ((pVBInfo->LCDResInfo == Panel_1024x768) || + (pVBInfo->LCDResInfo == Panel_1024x768x75)) { pVBInfo->HDE = 1024; pVBInfo->VDE = 768; - } else if ((pVBInfo->LCDResInfo == Panel1280x1024) || - (pVBInfo->LCDResInfo == Panel1280x1024x75)) { + } else if ((pVBInfo->LCDResInfo == Panel_1280x1024) || + (pVBInfo->LCDResInfo == Panel_1280x1024x75)) { pVBInfo->HDE = 1280; pVBInfo->VDE = 1024; - } else if (pVBInfo->LCDResInfo == Panel1400x1050) { + } else if (pVBInfo->LCDResInfo == Panel_1400x1050) { pVBInfo->HDE = 1400; pVBInfo->VDE = 1050; } else { @@ -2415,7 +2415,7 @@ static void XGI_ModCRT1Regs(unsigned short ModeNo, unsigned short ModeIdIndex, tempbx = 0; - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) { + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { LCDPtr = (struct XGI_LVDSCRT1HDataStruct *) XGI_GetLcdPtr(tempbx, ModeNo, ModeIdIndex, @@ -2430,7 +2430,7 @@ static void XGI_ModCRT1Regs(unsigned short ModeNo, unsigned short ModeIdIndex, tempbx = 1; - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) { + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { LCDPtr1 = (struct XGI_LVDSCRT1VDataStruct *) XGI_GetLcdPtr( tempbx, @@ -2496,7 +2496,7 @@ static unsigned short XGI_GetLCDCapPtr1(struct vb_device_info *pVBInfo) } if (tempbl == 0xFF) { - pVBInfo->LCDResInfo = Panel1024x768; + pVBInfo->LCDResInfo = Panel_1024x768; pVBInfo->LCDTypeInfo = 0; i = 0; } @@ -2556,15 +2556,15 @@ static void XGI_SetLVDSRegs(unsigned short ModeNo, unsigned short ModeIdIndex, push2 = tempax; /* GetLCDResInfo */ - if ((pVBInfo->LCDResInfo == Panel1024x768) || - (pVBInfo->LCDResInfo == Panel1024x768x75)) { + if ((pVBInfo->LCDResInfo == Panel_1024x768) || + (pVBInfo->LCDResInfo == Panel_1024x768x75)) { tempax = 1024; tempbx = 768; - } else if ((pVBInfo->LCDResInfo == Panel1280x1024) || - (pVBInfo->LCDResInfo == Panel1280x1024x75)) { + } else if ((pVBInfo->LCDResInfo == Panel_1280x1024) || + (pVBInfo->LCDResInfo == Panel_1280x1024x75)) { tempax = 1280; tempbx = 1024; - } else if (pVBInfo->LCDResInfo == Panel1400x1050) { + } else if (pVBInfo->LCDResInfo == Panel_1400x1050) { tempax = 1400; tempbx = 1050; } else { @@ -2682,7 +2682,7 @@ static void XGI_SetLVDSRegs(unsigned short ModeNo, unsigned short ModeIdIndex, if (tempbx != pVBInfo->VDE) tempax |= 0x40; - if (pVBInfo->LCDInfo & EnableLVDSDDA) + if (pVBInfo->LCDInfo & XGI_EnableLVDSDDA) tempax |= 0x40; xgifb_reg_and_or(pVBInfo->Part1Port, 0x1a, 0x07, @@ -2768,7 +2768,7 @@ static void XGI_SetLVDSRegs(unsigned short ModeNo, unsigned short ModeIdIndex, temp1 = temp1 / push3; tempbx = (unsigned short) (temp1 & 0xffff); - if (pVBInfo->LCDResInfo == Panel1024x768) + if (pVBInfo->LCDResInfo == Panel_1024x768) tempbx -= 1; tempax = ((tempbx >> 8) & 0xff) << 3; @@ -2800,7 +2800,7 @@ static void XGI_GetLCDVCLKPtr(unsigned char *di_0, unsigned char *di_1, { unsigned short index; - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) { + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { index = XGI_GetLCDCapPtr1(pVBInfo); if (pVBInfo->VBInfo & SetCRT2ToLCD) { /* LCDB */ @@ -2834,35 +2834,35 @@ static unsigned char XGI_GetVCLKPtr(unsigned short RefreshRateTableIndex, index = XGI_GetLCDCapPtr(pVBInfo); tempal = pVBInfo->LCDCapList[index].LCD_VCLK; - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) return tempal; /* {TV} */ if (pVBInfo->VBType & - (VB_XGI301B | - VB_XGI302B | - VB_XGI301LV | - VB_XGI302LV | + (VB_SIS301B | + VB_SIS302B | + VB_SIS301LV | + VB_SIS302LV | VB_XGI301C)) { - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { - tempal = HiTVVCLKDIV2; + if (pVBInfo->VBInfo & SetCRT2ToHiVision) { + tempal = TVCLKBASE_315 + HiTVVCLKDIV2; if (!(pVBInfo->TVInfo & RPLLDIV2XO)) - tempal = HiTVVCLK; + tempal = TVCLKBASE_315 + HiTVVCLK; if (pVBInfo->TVInfo & TVSimuMode) { - tempal = HiTVSimuVCLK; + tempal = TVCLKBASE_315 + HiTVSimuVCLK; if (!(modeflag & Charx8Dot)) - tempal = HiTVTextVCLK; + tempal = TVCLKBASE_315 + HiTVTextVCLK; } return tempal; } - if (pVBInfo->TVInfo & SetYPbPrMode750p) { - tempal = YPbPr750pVCLK; + if (pVBInfo->TVInfo & TVSetYPbPr750p) { + tempal = XGI_YPbPr750pVCLK; return tempal; } - if (pVBInfo->TVInfo & SetYPbPrMode525p) { + if (pVBInfo->TVInfo & TVSetYPbPr525p) { tempal = YPbPr525pVCLK; return tempal; } @@ -2870,9 +2870,9 @@ static unsigned char XGI_GetVCLKPtr(unsigned short RefreshRateTableIndex, tempal = NTSC1024VCLK; if (!(pVBInfo->TVInfo & NTSC1024x768)) { - tempal = TVVCLKDIV2; + tempal = TVCLKBASE_315 + TVVCLKDIV2; if (!(pVBInfo->TVInfo & RPLLDIV2XO)) - tempal = TVVCLK; + tempal = TVCLKBASE_315 + TVVCLK; } if (pVBInfo->VBInfo & SetCRT2ToTV) @@ -2898,9 +2898,9 @@ static unsigned char XGI_GetVCLKPtr(unsigned short RefreshRateTableIndex, static void XGI_GetVCLKLen(unsigned char tempal, unsigned char *di_0, unsigned char *di_1, struct vb_device_info *pVBInfo) { - if (pVBInfo->VBType & (VB_XGI301 | VB_XGI301B | VB_XGI302B - | VB_XGI301LV | VB_XGI302LV | VB_XGI301C)) { - if ((!(pVBInfo->VBInfo & SetCRT2ToLCDA)) && (pVBInfo->SetFlag + if (pVBInfo->VBType & (VB_SIS301 | VB_SIS301B | VB_SIS302B + | VB_SIS301LV | VB_SIS302LV | VB_XGI301C)) { + if ((!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)) && (pVBInfo->SetFlag & ProgrammingCRT2)) { *di_0 = (unsigned char) XGI_VBVCLKData[tempal].SR2B; *di_1 = XGI_VBVCLKData[tempal].SR2C; @@ -2926,7 +2926,7 @@ static void XGI_SetCRT2ECLK(unsigned short ModeNo, unsigned short ModeIdIndex, for (i = 0; i < 4; i++) { xgifb_reg_and_or(pVBInfo->P3d4, 0x31, ~0x30, (unsigned short) (0x10 * i)); - if ((!(pVBInfo->VBInfo & SetCRT2ToLCDA)) + if ((!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)) && (!(pVBInfo->VBInfo & SetInSlaveMode))) { xgifb_reg_set(pVBInfo->P3c4, 0x2e, di_0); xgifb_reg_set(pVBInfo->P3c4, 0x2f, di_1); @@ -2942,8 +2942,8 @@ static void XGI_UpdateModeInfo(struct xgi_hw_device_info *HwDeviceExtension, { unsigned short tempcl, tempch, temp, tempbl, tempax; - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { tempcl = 0; tempch = 0; temp = xgifb_reg_get(pVBInfo->P3c4, 0x01); @@ -2987,12 +2987,12 @@ static void XGI_UpdateModeInfo(struct xgi_hw_device_info *HwDeviceExtension, if (temp & 0x02) tempch |= ActiveSCART; - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { + if (pVBInfo->VBInfo & SetCRT2ToHiVision) { if (temp & 0x01) tempch |= ActiveHiTV; } - if (pVBInfo->VBInfo & SetCRT2ToYPbPr) { + if (pVBInfo->VBInfo & SetCRT2ToYPbPr525750) { temp = xgifb_reg_get( pVBInfo->Part2Port, 0x4d); @@ -3014,7 +3014,7 @@ static void XGI_UpdateModeInfo(struct xgi_hw_device_info *HwDeviceExtension, } } temp = tempcl; - tempbl = ~ModeSwitchStatus; + tempbl = ~XGI_ModeSwitchStatus; xgifb_reg_and_or(pVBInfo->P3d4, 0x3d, tempbl, temp); if (!(pVBInfo->SetFlag & ReserveTVOption)) @@ -3029,19 +3029,19 @@ void XGI_GetVBType(struct vb_device_info *pVBInfo) unsigned short flag, tempbx, tempah; if (pVBInfo->IF_DEF_LVDS == 0) { - tempbx = VB_XGI302B; + tempbx = VB_SIS302B; flag = xgifb_reg_get(pVBInfo->Part4Port, 0x00); if (flag != 0x02) { - tempbx = VB_XGI301; + tempbx = VB_SIS301; flag = xgifb_reg_get(pVBInfo->Part4Port, 0x01); if (flag >= 0xB0) { - tempbx = VB_XGI301B; + tempbx = VB_SIS301B; if (flag >= 0xC0) { tempbx = VB_XGI301C; if (flag >= 0xD0) { - tempbx = VB_XGI301LV; + tempbx = VB_SIS301LV; if (flag >= 0xE0) { - tempbx = VB_XGI302LV; + tempbx = VB_SIS302LV; tempah = xgifb_reg_get( pVBInfo->Part4Port, 0x39); @@ -3052,7 +3052,7 @@ void XGI_GetVBType(struct vb_device_info *pVBInfo) } } - if (tempbx & (VB_XGI301B | VB_XGI302B)) { + if (tempbx & (VB_SIS301B | VB_SIS302B)) { flag = xgifb_reg_get( pVBInfo->Part4Port, 0x23); @@ -3078,7 +3078,7 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex, modeflag = pVBInfo->EModeIDTable[ModeIdIndex].Ext_ModeFlag; pVBInfo->SetFlag = 0; - pVBInfo->ModeType = modeflag & ModeInfoFlag; + pVBInfo->ModeType = modeflag & ModeTypeMask; tempbx = 0; if (pVBInfo->VBType & 0xFFFF) { @@ -3090,7 +3090,7 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex, push = push << 8; tempax = temp << 8; tempbx = tempbx | tempax; - temp = (SetCRT2ToDualEdge | SetCRT2ToYPbPr | SetCRT2ToLCDA + temp = (SetCRT2ToDualEdge | SetCRT2ToYPbPr525750 | XGI_SetCRT2ToLCDA | SetInSlaveMode | DisableCRT2Display); temp = 0xFFFF ^ temp; tempbx &= temp; @@ -3103,9 +3103,9 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex, (HwDeviceExtension->jChipType >= XG40)) { if (pVBInfo->IF_DEF_LVDS == 0) { if (pVBInfo->VBType & - (VB_XGI302B | - VB_XGI301LV | - VB_XGI302LV | + (VB_SIS302B | + VB_SIS301LV | + VB_SIS302LV | VB_XGI301C)) { if (temp & EnableDualEdge) { tempbx |= @@ -3113,7 +3113,7 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex, if (temp & SetToLCDA) tempbx |= - SetCRT2ToLCDA; + XGI_SetCRT2ToLCDA; } } } @@ -3123,8 +3123,8 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex, if (pVBInfo->IF_DEF_YPbPr == 1) { /* [Billy] 07/05/04 */ if (((pVBInfo->IF_DEF_LVDS == 0) && - ((pVBInfo->VBType & VB_XGI301LV) || - (pVBInfo->VBType & VB_XGI302LV) || + ((pVBInfo->VBType & VB_SIS301LV) || + (pVBInfo->VBType & VB_SIS302LV) || (pVBInfo->VBType & VB_XGI301C)))) { if (temp & SetYPbPr) { if (pVBInfo->IF_DEF_HiVision == 1) { @@ -3134,13 +3134,13 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex, pVBInfo->P3d4, 0x35); temp &= YPbPrMode; - tempbx |= SetCRT2ToHiVisionTV; + tempbx |= SetCRT2ToHiVision; if (temp != YPbPrMode1080i) { tempbx &= - (~SetCRT2ToHiVisionTV); + (~SetCRT2ToHiVision); tempbx |= - SetCRT2ToYPbPr; + SetCRT2ToYPbPr525750; } } } @@ -3172,30 +3172,30 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex, if (pVBInfo->IF_DEF_LCDA == 1) { /* Select Display Device */ if (!(pVBInfo->VBType & VB_NoLCD)) { - if (tempbx & SetCRT2ToLCDA) { + if (tempbx & XGI_SetCRT2ToLCDA) { if (tempbx & SetSimuScanMode) tempbx &= (~(SetCRT2ToLCD | SetCRT2ToRAMDAC | - SwitchToCRT2)); + SwitchCRT2)); else tempbx &= (~(SetCRT2ToLCD | SetCRT2ToRAMDAC | SetCRT2ToTV | - SwitchToCRT2)); + SwitchCRT2)); } } } /* shampoo add */ /* for driver abnormal */ - if (!(tempbx & (SwitchToCRT2 | SetSimuScanMode))) { + if (!(tempbx & (SwitchCRT2 | SetSimuScanMode))) { if (pVBInfo->IF_DEF_CRT2Monitor == 1) { if (tempbx & SetCRT2ToRAMDAC) { tempbx &= (0xFF00 | SetCRT2ToRAMDAC | - SwitchToCRT2 | + SwitchCRT2 | SetSimuScanMode); - tempbx &= (0x00FF | (~SetCRT2ToYPbPr)); + tempbx &= (0x00FF | (~SetCRT2ToYPbPr525750)); } } else { tempbx &= (~(SetCRT2ToRAMDAC | @@ -3208,37 +3208,37 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex, if (tempbx & SetCRT2ToLCD) { tempbx &= (0xFF00 | SetCRT2ToLCD | - SwitchToCRT2 | + SwitchCRT2 | SetSimuScanMode); - tempbx &= (0x00FF | (~SetCRT2ToYPbPr)); + tempbx &= (0x00FF | (~SetCRT2ToYPbPr525750)); } } if (tempbx & SetCRT2ToSCART) { tempbx &= (0xFF00 | SetCRT2ToSCART | - SwitchToCRT2 | + SwitchCRT2 | SetSimuScanMode); - tempbx &= (0x00FF | (~SetCRT2ToYPbPr)); + tempbx &= (0x00FF | (~SetCRT2ToYPbPr525750)); } if (pVBInfo->IF_DEF_YPbPr == 1) { - if (tempbx & SetCRT2ToYPbPr) + if (tempbx & SetCRT2ToYPbPr525750) tempbx &= (0xFF00 | - SwitchToCRT2 | + SwitchCRT2 | SetSimuScanMode); } if (pVBInfo->IF_DEF_HiVision == 1) { - if (tempbx & SetCRT2ToHiVisionTV) + if (tempbx & SetCRT2ToHiVision) tempbx &= (0xFF00 | - SetCRT2ToHiVisionTV | - SwitchToCRT2 | + SetCRT2ToHiVision | + SwitchCRT2 | SetSimuScanMode); } if (tempax & DisableCRT2Display) { /* Set Display Device Info */ - if (!(tempbx & (SwitchToCRT2 | SetSimuScanMode))) + if (!(tempbx & (SwitchCRT2 | SetSimuScanMode))) tempbx = DisableCRT2Display; } @@ -3246,7 +3246,7 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex, if ((!(tempbx & DriverMode)) || (!(modeflag & CRT2Mode))) { if (pVBInfo->IF_DEF_LCDA == 1) { - if (!(tempbx & SetCRT2ToLCDA)) + if (!(tempbx & XGI_SetCRT2ToLCDA)) tempbx |= (SetInSlaveMode | SetSimuScanMode); } @@ -3255,9 +3255,9 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex, /* LCD+TV can't support in slave mode * (Force LCDA+TV->LCDB) */ if ((tempbx & SetInSlaveMode) && - (tempbx & SetCRT2ToLCDA)) { + (tempbx & XGI_SetCRT2ToLCDA)) { tempbx ^= (SetCRT2ToLCD | - SetCRT2ToLCDA | + XGI_SetCRT2ToLCDA | SetCRT2ToDualEdge); pVBInfo->SetFlag |= ReserveTVOption; } @@ -3291,43 +3291,43 @@ static void XGI_GetTVInfo(unsigned short ModeNo, unsigned short ModeIdIndex, if (pVBInfo->VBInfo & SetCRT2ToTV) { temp = xgifb_reg_get(pVBInfo->P3d4, 0x35); tempbx = temp; - if (tempbx & SetPALTV) { + if (tempbx & TVSetPAL) { tempbx &= (SetCHTVOverScan | - SetPALMTV | - SetPALNTV | - SetPALTV); - if (tempbx & SetPALMTV) + TVSetPALM | + TVSetPALN | + TVSetPAL); + if (tempbx & TVSetPALM) /* set to NTSC if PAL-M */ - tempbx &= ~SetPALTV; + tempbx &= ~TVSetPAL; } else tempbx &= (SetCHTVOverScan | - SetNTSCJ | - SetPALTV); + TVSetNTSCJ | + TVSetPAL); } if (pVBInfo->IF_DEF_LVDS == 0) { if (pVBInfo->VBInfo & SetCRT2ToSCART) - tempbx |= SetPALTV; + tempbx |= TVSetPAL; } if (pVBInfo->IF_DEF_YPbPr == 1) { - if (pVBInfo->VBInfo & SetCRT2ToYPbPr) { + if (pVBInfo->VBInfo & SetCRT2ToYPbPr525750) { index1 = xgifb_reg_get(pVBInfo->P3d4, 0x35); index1 &= YPbPrMode; if (index1 == YPbPrMode525i) - tempbx |= SetYPbPrMode525i; + tempbx |= TVSetYPbPr525i; if (index1 == YPbPrMode525p) - tempbx = tempbx | SetYPbPrMode525p; + tempbx = tempbx | TVSetYPbPr525p; if (index1 == YPbPrMode750p) - tempbx = tempbx | SetYPbPrMode750p; + tempbx = tempbx | TVSetYPbPr750p; } } if (pVBInfo->IF_DEF_HiVision == 1) { - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) - tempbx = tempbx | SetYPbPrMode1080i | SetPALTV; + if (pVBInfo->VBInfo & SetCRT2ToHiVision) + tempbx = tempbx | TVSetHiVision | TVSetPAL; } if (pVBInfo->IF_DEF_LVDS == 0) { /* shampoo */ @@ -3335,25 +3335,25 @@ static void XGI_GetTVInfo(unsigned short ModeNo, unsigned short ModeIdIndex, (!(pVBInfo->VBInfo & SetNotSimuMode))) tempbx |= TVSimuMode; - if (!(tempbx & SetPALTV) && + if (!(tempbx & TVSetPAL) && (modeflag > 13) && (resinfo == 8)) /* NTSC 1024x768, */ tempbx |= NTSC1024x768; tempbx |= RPLLDIV2XO; - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { + if (pVBInfo->VBInfo & SetCRT2ToHiVision) { if (pVBInfo->VBInfo & SetInSlaveMode) tempbx &= (~RPLLDIV2XO); } else { if (tempbx & - (SetYPbPrMode525p | SetYPbPrMode750p)) + (TVSetYPbPr525p | TVSetYPbPr750p)) tempbx &= (~RPLLDIV2XO); else if (!(pVBInfo->VBType & - (VB_XGI301B | - VB_XGI302B | - VB_XGI301LV | - VB_XGI302LV | + (VB_SIS301B | + VB_SIS302B | + VB_SIS301LV | + VB_SIS302LV | VB_XGI301C))) { if (tempbx & TVSimuMode) tempbx &= (~RPLLDIV2XO); @@ -3386,13 +3386,13 @@ static unsigned char XGI_GetLCDInfo(unsigned short ModeNo, tempbx = temp & 0x0F; if (tempbx == 0) - tempbx = Panel1024x768; /* default */ + tempbx = Panel_1024x768; /* default */ /* LCD75 [2003/8/22] Vicent */ - if ((tempbx == Panel1024x768) || (tempbx == Panel1280x1024)) { + if ((tempbx == Panel_1024x768) || (tempbx == Panel_1280x1024)) { if (pVBInfo->VBInfo & DriverMode) { tempax = xgifb_reg_get(pVBInfo->P3d4, 0x33); - if (pVBInfo->VBInfo & SetCRT2ToLCDA) + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) tempax &= 0x0F; else tempax = tempax >> 4; @@ -3411,7 +3411,7 @@ static unsigned char XGI_GetLCDInfo(unsigned short ModeNo, /* End of LCD75 */ - if (!(pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA))) + if (!(pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA))) return 0; tempbx = 0; @@ -3427,30 +3427,30 @@ static unsigned char XGI_GetLCDInfo(unsigned short ModeNo, tempax = pVBInfo->LCDCapList[LCDIdIndex].LCD_Capability; if (pVBInfo->IF_DEF_LVDS == 0) { /* shampoo */ - if (((pVBInfo->VBType & VB_XGI302LV) || (pVBInfo->VBType - & VB_XGI301C)) && (tempax & LCDDualLink)) { + if (((pVBInfo->VBType & VB_SIS302LV) || (pVBInfo->VBType + & VB_XGI301C)) && (tempax & XGI_LCDDualLink)) { tempbx |= SetLCDDualLink; } } if (pVBInfo->IF_DEF_LVDS == 0) { - if ((pVBInfo->LCDResInfo == Panel1400x1050) && (pVBInfo->VBInfo + if ((pVBInfo->LCDResInfo == Panel_1400x1050) && (pVBInfo->VBInfo & SetCRT2ToLCD) && (ModeNo > 0x13) && (resinfo == 9) && (!(tempbx & EnableScalingLCD))) - /* set to center in 1280x1024 LCDB for Panel1400x1050 */ + /* set to center in 1280x1024 LCDB for Panel_1400x1050 */ tempbx |= SetLCDtoNonExpanding; } if (pVBInfo->IF_DEF_ExpLink == 1) { if (modeflag & HalfDCLK) { if (!(tempbx & SetLCDtoNonExpanding)) { - tempbx |= EnableLVDSDDA; + tempbx |= XGI_EnableLVDSDDA; } else { if (ModeNo > 0x13) { if (pVBInfo->LCDResInfo - == Panel1024x768) { + == Panel_1024x768) { if (resinfo == 4) {/* 512x384 */ - tempbx |= EnableLVDSDDA; + tempbx |= XGI_EnableLVDSDDA; } } } @@ -3460,9 +3460,9 @@ static unsigned char XGI_GetLCDInfo(unsigned short ModeNo, if (pVBInfo->VBInfo & SetInSlaveMode) { if (pVBInfo->VBInfo & SetNotSimuMode) - tempbx |= LCDVESATiming; + tempbx |= XGI_LCDVESATiming; } else { - tempbx |= LCDVESATiming; + tempbx |= XGI_LCDVESATiming; } pVBInfo->LCDInfo = tempbx; @@ -3477,7 +3477,7 @@ static unsigned char XGI_GetLCDInfo(unsigned short ModeNo, SetInSlaveMode | SetCRT2ToLCD); pVBInfo->VBInfo |= - SetCRT2ToLCDA | + XGI_SetCRT2ToLCDA | SetCRT2ToDualEdge; } } @@ -3801,27 +3801,27 @@ static void XGI_GetCRT2ResInfo(unsigned short ModeNo, if (pVBInfo->VBInfo & SetCRT2ToLCD) { if (pVBInfo->IF_DEF_LVDS == 0) { - if (pVBInfo->LCDResInfo == Panel1600x1200) { - if (!(pVBInfo->LCDInfo & LCDVESATiming)) { + if (pVBInfo->LCDResInfo == Panel_1600x1200) { + if (!(pVBInfo->LCDInfo & XGI_LCDVESATiming)) { if (yres == 1024) yres = 1056; } } - if (pVBInfo->LCDResInfo == Panel1280x1024) { + if (pVBInfo->LCDResInfo == Panel_1280x1024) { if (yres == 400) yres = 405; else if (yres == 350) yres = 360; - if (pVBInfo->LCDInfo & LCDVESATiming) { + if (pVBInfo->LCDInfo & XGI_LCDVESATiming) { if (yres == 360) yres = 375; } } - if (pVBInfo->LCDResInfo == Panel1024x768) { - if (!(pVBInfo->LCDInfo & LCDVESATiming)) { + if (pVBInfo->LCDResInfo == Panel_1024x768) { + if (!(pVBInfo->LCDInfo & XGI_LCDVESATiming)) { if (!(pVBInfo->LCDInfo & LCDNonExpanding)) { if (yres == 350) @@ -3848,7 +3848,7 @@ static void XGI_GetCRT2ResInfo(unsigned short ModeNo, static unsigned char XGI_IsLCDDualLink(struct vb_device_info *pVBInfo) { - if ((pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) && + if ((pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) && (pVBInfo->LCDInfo & SetLCDDualLink)) /* shampoo0129 */ return 1; @@ -3918,8 +3918,8 @@ static void XGI_GetCRT2Data(unsigned short ModeNo, unsigned short ModeIdIndex, { unsigned short tempax = 0, tempbx, modeflag, resinfo; - struct XGI_LCDDataStruct *LCDPtr = NULL; - struct XGI_TVDataStruct *TVPtr = NULL; + struct SiS_LCDData *LCDPtr = NULL; + struct SiS_TVData *TVPtr = NULL; if (ModeNo <= 0x13) { /* si+St_ResInfo */ @@ -3942,8 +3942,8 @@ static void XGI_GetCRT2Data(unsigned short ModeNo, unsigned short ModeIdIndex, tempbx = 4; - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) { - LCDPtr = (struct XGI_LCDDataStruct *) XGI_GetLcdPtr(tempbx, + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { + LCDPtr = (struct SiS_LCDData *) XGI_GetLcdPtr(tempbx, ModeNo, ModeIdIndex, RefreshRateTableIndex, pVBInfo); @@ -3954,11 +3954,11 @@ static void XGI_GetCRT2Data(unsigned short ModeNo, unsigned short ModeIdIndex, pVBInfo->HT = LCDPtr->LCDHT; pVBInfo->VT = LCDPtr->LCDVT; - if (pVBInfo->LCDResInfo == Panel1024x768) { + if (pVBInfo->LCDResInfo == Panel_1024x768) { tempax = 1024; tempbx = 768; - if (!(pVBInfo->LCDInfo & LCDVESATiming)) { + if (!(pVBInfo->LCDInfo & XGI_LCDVESATiming)) { if (pVBInfo->VGAVDE == 357) tempbx = 527; else if (pVBInfo->VGAVDE == 420) @@ -3971,10 +3971,10 @@ static void XGI_GetCRT2Data(unsigned short ModeNo, unsigned short ModeIdIndex, tempbx = 768; } else tempbx = 768; - } else if (pVBInfo->LCDResInfo == Panel1024x768x75) { + } else if (pVBInfo->LCDResInfo == Panel_1024x768x75) { tempax = 1024; tempbx = 768; - } else if (pVBInfo->LCDResInfo == Panel1280x1024) { + } else if (pVBInfo->LCDResInfo == Panel_1280x1024) { tempax = 1280; if (pVBInfo->VGAVDE == 360) tempbx = 768; @@ -3984,10 +3984,10 @@ static void XGI_GetCRT2Data(unsigned short ModeNo, unsigned short ModeIdIndex, tempbx = 864; else tempbx = 1024; - } else if (pVBInfo->LCDResInfo == Panel1280x1024x75) { + } else if (pVBInfo->LCDResInfo == Panel_1280x1024x75) { tempax = 1280; tempbx = 1024; - } else if (pVBInfo->LCDResInfo == Panel1280x960) { + } else if (pVBInfo->LCDResInfo == Panel_1280x960) { tempax = 1280; if (pVBInfo->VGAVDE == 350) tempbx = 700; @@ -3997,7 +3997,7 @@ static void XGI_GetCRT2Data(unsigned short ModeNo, unsigned short ModeIdIndex, tempbx = 960; else tempbx = 960; - } else if (pVBInfo->LCDResInfo == Panel1400x1050) { + } else if (pVBInfo->LCDResInfo == Panel_1400x1050) { tempax = 1400; tempbx = 1050; @@ -4005,10 +4005,10 @@ static void XGI_GetCRT2Data(unsigned short ModeNo, unsigned short ModeIdIndex, tempax = 1280; tempbx = 1024; } - } else if (pVBInfo->LCDResInfo == Panel1600x1200) { + } else if (pVBInfo->LCDResInfo == Panel_1600x1200) { tempax = 1600; tempbx = 1200; /* alan 10/14/2003 */ - if (!(pVBInfo->LCDInfo & LCDVESATiming)) { + if (!(pVBInfo->LCDInfo & XGI_LCDVESATiming)) { if (pVBInfo->VGAVDE == 350) tempbx = 875; else if (pVBInfo->VGAVDE == 400) @@ -4028,7 +4028,7 @@ static void XGI_GetCRT2Data(unsigned short ModeNo, unsigned short ModeIdIndex, if (pVBInfo->VBInfo & (SetCRT2ToTV)) { tempbx = 4; - TVPtr = (struct XGI_TVDataStruct *) XGI_GetTVPtr(tempbx, + TVPtr = (struct SiS_TVData *) XGI_GetTVPtr(tempbx, ModeNo, ModeIdIndex, RefreshRateTableIndex, pVBInfo); @@ -4041,7 +4041,7 @@ static void XGI_GetCRT2Data(unsigned short ModeNo, unsigned short ModeIdIndex, pVBInfo->RVBHRS = TVPtr->RVBHRS; pVBInfo->NewFlickerMode = TVPtr->FlickerMode; - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { + if (pVBInfo->VBInfo & SetCRT2ToHiVision) { if (resinfo == 0x08) pVBInfo->NewFlickerMode = 0x40; else if (resinfo == 0x09) @@ -4066,16 +4066,16 @@ static void XGI_GetCRT2Data(unsigned short ModeNo, unsigned short ModeIdIndex, } } } - } else if (pVBInfo->VBInfo & SetCRT2ToYPbPr) { - if (pVBInfo->TVInfo & SetYPbPrMode750p) { + } else if (pVBInfo->VBInfo & SetCRT2ToYPbPr525750) { + if (pVBInfo->TVInfo & TVSetYPbPr750p) { tempax = YPbPrTV750pHT; /* Ext750pTVHT */ tempbx = YPbPrTV750pVT; /* Ext750pTVVT */ } - if (pVBInfo->TVInfo & SetYPbPrMode525p) { + if (pVBInfo->TVInfo & TVSetYPbPr525p) { tempax = YPbPrTV525pHT; /* Ext525pTVHT */ tempbx = YPbPrTV525pVT; /* Ext525pTVVT */ - } else if (pVBInfo->TVInfo & SetYPbPrMode525i) { + } else if (pVBInfo->TVInfo & TVSetYPbPr525i) { tempax = YPbPrTV525iHT; /* Ext525iTVHT */ tempbx = YPbPrTV525iVT; /* Ext525iTVVT */ if (pVBInfo->TVInfo & NTSC1024x768) @@ -4084,7 +4084,7 @@ static void XGI_GetCRT2Data(unsigned short ModeNo, unsigned short ModeIdIndex, } else { tempax = PALHT; tempbx = PALVT; - if (!(pVBInfo->TVInfo & SetPALTV)) { + if (!(pVBInfo->TVInfo & TVSetPAL)) { tempax = NTSCHT; tempbx = NTSCVT; if (pVBInfo->TVInfo & NTSC1024x768) @@ -4109,7 +4109,7 @@ static void XGI_SetCRT2VCLK(unsigned short ModeNo, unsigned short ModeIdIndex, XGI_GetVCLKLen(tempal, &di_0, &di_1, pVBInfo); XGI_GetLCDVCLKPtr(&di_0, &di_1, pVBInfo); - if (pVBInfo->VBType & VB_XGI301) { /* shampoo 0129 */ + if (pVBInfo->VBType & VB_SIS301) { /* shampoo 0129 */ /* 301 */ xgifb_reg_set(pVBInfo->Part4Port, 0x0A, 0x10); xgifb_reg_set(pVBInfo->Part4Port, 0x0B, di_1); @@ -4139,7 +4139,7 @@ static unsigned short XGI_GetColorDepth(unsigned short ModeNo, else modeflag = pVBInfo->EModeIDTable[ModeIdIndex].Ext_ModeFlag; - index = (modeflag & ModeInfoFlag) - ModeEGA; + index = (modeflag & ModeTypeMask) - ModeEGA; if (index < 0) index = 0; @@ -4435,7 +4435,7 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part1Port, 0x03, temp); tempcx = 0x08; - if (pVBInfo->VBType & (VB_XGI301LV | VB_XGI302LV | VB_XGI301C)) + if (pVBInfo->VBType & (VB_SIS301LV | VB_SIS302LV | VB_XGI301C)) modeflag |= Charx8Dot; tempax = pVBInfo->VGAHDE; /* 0x04 Horizontal Display End */ @@ -4451,12 +4451,12 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, temp = (tempbx & 0xFF00) >> 8; if (pVBInfo->VBInfo & SetCRT2ToTV) { - if (!(pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C))) + if (!(pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C))) temp += 2; - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { - if (pVBInfo->VBType & VB_XGI301LV) { + if (pVBInfo->VBInfo & SetCRT2ToHiVision) { + if (pVBInfo->VBType & VB_SIS301LV) { if (pVBInfo->VBExtInfo == VB_YPbPr1080i) { if (resinfo == 7) temp -= 2; @@ -4487,7 +4487,7 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, tempax = (tempax / tempcx) - 5; tempcx = tempax; /* 20030401 0x07 horizontal Retrace Start */ - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { + if (pVBInfo->VBInfo & SetCRT2ToHiVision) { temp = (tempbx & 0x00FF) - 1; if (!(modeflag & HalfDCLK)) { temp -= 6; @@ -4513,19 +4513,19 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, } } else if (!(modeflag & HalfDCLK)) { temp -= 4; - if (pVBInfo->LCDResInfo != Panel1280x960 && + if (pVBInfo->LCDResInfo != Panel_1280x960 && pVBInfo->VGAHDE >= 800) { temp -= 7; if (pVBInfo->ModeType == ModeEGA && pVBInfo->VGAVDE == 1024) { temp += 15; if (pVBInfo->LCDResInfo != - Panel1280x1024) + Panel_1280x1024) temp += 7; } if (pVBInfo->VGAHDE >= 1280 && - pVBInfo->LCDResInfo != Panel1280x960 && + pVBInfo->LCDResInfo != Panel_1280x960 && (pVBInfo->LCDInfo & LCDNonExpanding)) temp += 28; } @@ -4619,8 +4619,8 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, push2 = tempbx; if (pVBInfo->VBInfo & SetCRT2ToLCD) { - if (pVBInfo->LCDResInfo == Panel1024x768) { - if (!(pVBInfo->LCDInfo & LCDVESATiming)) { + if (pVBInfo->LCDResInfo == Panel_1024x768) { + if (!(pVBInfo->LCDInfo & XGI_LCDVESATiming)) { if (tempbx == 350) tempbx += 5; if (tempbx == 480) @@ -4669,19 +4669,19 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, tempbx += tempax; } - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { - if (pVBInfo->VBType & VB_XGI301LV) { - if (pVBInfo->TVInfo & SetYPbPrMode1080i) { + if (pVBInfo->VBInfo & SetCRT2ToHiVision) { + if (pVBInfo->VBType & VB_SIS301LV) { + if (pVBInfo->TVInfo & TVSetHiVision) { tempbx -= 10; } else { if (pVBInfo->TVInfo & TVSimuMode) { - if (pVBInfo->TVInfo & SetPALTV) { + if (pVBInfo->TVInfo & TVSetPAL) { if (pVBInfo->VBType & - VB_XGI301LV) { + VB_SIS301LV) { if (!(pVBInfo->TVInfo & - (SetYPbPrMode525p | - SetYPbPrMode750p | - SetYPbPrMode1080i))) + (TVSetYPbPr525p | + TVSetYPbPr750p | + TVSetHiVision))) tempbx += 40; } else { tempbx += 40; @@ -4694,12 +4694,12 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, } } else { if (pVBInfo->TVInfo & TVSimuMode) { - if (pVBInfo->TVInfo & SetPALTV) { - if (pVBInfo->VBType & VB_XGI301LV) { + if (pVBInfo->TVInfo & TVSetPAL) { + if (pVBInfo->VBType & VB_SIS301LV) { if (!(pVBInfo->TVInfo & - (SetYPbPrMode525p | - SetYPbPrMode750p | - SetYPbPrMode1080i))) + (TVSetYPbPr525p | + TVSetYPbPr750p | + TVSetHiVision))) tempbx += 40; } else { tempbx += 40; @@ -4713,7 +4713,7 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, tempax += tempbx; push1 = tempax; /* push ax */ - if ((pVBInfo->TVInfo & SetPALTV)) { + if ((pVBInfo->TVInfo & TVSetPAL)) { if (tempbx <= 513) { if (tempax >= 513) tempbx = 513; @@ -4761,7 +4761,7 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, temp = (temp >> 1) & 0x09; - if (pVBInfo->VBType & (VB_XGI301LV | VB_XGI302LV | VB_XGI301C)) + if (pVBInfo->VBType & (VB_SIS301LV | VB_SIS302LV | VB_XGI301C)) temp |= 0x01; xgifb_reg_set(pVBInfo->Part1Port, 0x16, temp); /* 0x16 SR01 */ @@ -4813,13 +4813,13 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, if (pVBInfo->VBInfo & SetCRT2ToSCART) tempax |= 0x0200; - if (!(pVBInfo->TVInfo & SetPALTV)) + if (!(pVBInfo->TVInfo & TVSetPAL)) tempax |= 0x1000; - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) + if (pVBInfo->VBInfo & SetCRT2ToHiVision) tempax |= 0x0100; - if (pVBInfo->TVInfo & (SetYPbPrMode525p | SetYPbPrMode750p)) + if (pVBInfo->TVInfo & (TVSetYPbPr525p | TVSetYPbPr750p)) tempax &= 0xfe00; tempax = (tempax & 0xff00) >> 8; @@ -4827,10 +4827,10 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part2Port, 0x0, tempax); TimingPoint = pVBInfo->NTSCTiming; - if (pVBInfo->TVInfo & SetPALTV) + if (pVBInfo->TVInfo & TVSetPAL) TimingPoint = pVBInfo->PALTiming; - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { + if (pVBInfo->VBInfo & SetCRT2ToHiVision) { TimingPoint = pVBInfo->HiTVExtTiming; if (pVBInfo->VBInfo & SetInSlaveMode) @@ -4843,14 +4843,14 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, TimingPoint = pVBInfo->HiTVTextTiming; } - if (pVBInfo->VBInfo & SetCRT2ToYPbPr) { - if (pVBInfo->TVInfo & SetYPbPrMode525i) + if (pVBInfo->VBInfo & SetCRT2ToYPbPr525750) { + if (pVBInfo->TVInfo & TVSetYPbPr525i) TimingPoint = pVBInfo->YPbPr525iTiming; - if (pVBInfo->TVInfo & SetYPbPrMode525p) + if (pVBInfo->TVInfo & TVSetYPbPr525p) TimingPoint = pVBInfo->YPbPr525pTiming; - if (pVBInfo->TVInfo & SetYPbPrMode750p) + if (pVBInfo->TVInfo & TVSetYPbPr750p) TimingPoint = pVBInfo->YPbPr750pTiming; } @@ -4868,10 +4868,10 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, temp &= 0x80; xgifb_reg_and_or(pVBInfo->Part2Port, 0x0A, 0xFF, temp); - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) + if (pVBInfo->VBInfo & SetCRT2ToHiVision) tempax = 950; - if (pVBInfo->TVInfo & SetPALTV) + if (pVBInfo->TVInfo & TVSetPAL) tempax = 520; else tempax = 440; @@ -4884,15 +4884,15 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, temp = (tempax & 0xFF00) >> 8; temp += (unsigned short) TimingPoint[0]; - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { if (pVBInfo->VBInfo & (SetCRT2ToAVIDEO | SetCRT2ToSVIDEO | SetCRT2ToSCART - | SetCRT2ToYPbPr)) { + | SetCRT2ToYPbPr525750)) { tempcx = pVBInfo->VGAHDE; if (tempcx >= 1024) { temp = 0x17; /* NTSC */ - if (pVBInfo->TVInfo & SetPALTV) + if (pVBInfo->TVInfo & TVSetPAL) temp = 0x19; /* PAL */ } } @@ -4903,15 +4903,15 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, temp = (tempax & 0xFF00) >> 8; temp += TimingPoint[1]; - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { if ((pVBInfo->VBInfo & (SetCRT2ToAVIDEO | SetCRT2ToSVIDEO | SetCRT2ToSCART - | SetCRT2ToYPbPr))) { + | SetCRT2ToYPbPr525750))) { tempcx = pVBInfo->VGAHDE; if (tempcx >= 1024) { temp = 0x1D; /* NTSC */ - if (pVBInfo->TVInfo & SetPALTV) + if (pVBInfo->TVInfo & TVSetPAL) temp = 0x52; /* PAL */ } } @@ -4936,7 +4936,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, push1 = tempcx; /* push cx */ tempcx += 7; - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) + if (pVBInfo->VBInfo & SetCRT2ToHiVision) tempcx -= 4; temp = tempcx & 0x00FF; @@ -4954,7 +4954,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, tempbx = push2; tempbx = tempbx + 8; - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { + if (pVBInfo->VBInfo & SetCRT2ToHiVision) { tempbx = tempbx - 4; tempcx = tempbx; } @@ -4970,7 +4970,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, xgifb_reg_and_or(pVBInfo->Part2Port, 0x28, 0x0F, temp); tempcx += 8; - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) + if (pVBInfo->VBInfo & SetCRT2ToHiVision) tempcx -= 4; temp = tempcx & 0xFF; @@ -5005,9 +5005,9 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, if (pVBInfo->VBInfo & SetCRT2ToTV) { if (pVBInfo->VBType & - (VB_XGI301LV | VB_XGI302LV | VB_XGI301C)) { + (VB_SIS301LV | VB_SIS302LV | VB_XGI301C)) { if (!(pVBInfo->TVInfo & - (SetYPbPrMode525p | SetYPbPrMode750p))) + (TVSetYPbPr525p | TVSetYPbPr750p))) tempbx = tempbx >> 1; } else tempbx = tempbx >> 1; @@ -5016,9 +5016,9 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, tempbx -= 2; temp = tempbx & 0x00FF; - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { - if (pVBInfo->VBType & VB_XGI301LV) { - if (pVBInfo->TVInfo & SetYPbPrMode1080i) { + if (pVBInfo->VBInfo & SetCRT2ToHiVision) { + if (pVBInfo->VBType & VB_SIS301LV) { + if (pVBInfo->TVInfo & TVSetHiVision) { if (pVBInfo->VBInfo & SetInSlaveMode) { if (ModeNo == 0x2f) temp += 1; @@ -5037,9 +5037,9 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, temp = (tempcx & 0xFF00) >> 8; temp |= ((tempbx & 0xFF00) >> 8) << 6; - if (!(pVBInfo->VBInfo & SetCRT2ToHiVisionTV)) { - if (pVBInfo->VBType & VB_XGI301LV) { - if (pVBInfo->TVInfo & SetYPbPrMode1080i) { + if (!(pVBInfo->VBInfo & SetCRT2ToHiVision)) { + if (pVBInfo->VBType & VB_SIS301LV) { + if (pVBInfo->TVInfo & TVSetHiVision) { temp |= 0x10; if (!(pVBInfo->VBInfo & SetCRT2ToSVIDEO)) @@ -5054,18 +5054,18 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part2Port, 0x30, temp); - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { /* TV gatingno */ + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { /* TV gatingno */ tempbx = pVBInfo->VDE; tempcx = tempbx - 2; if (pVBInfo->VBInfo & SetCRT2ToTV) { - if (!(pVBInfo->TVInfo & (SetYPbPrMode525p - | SetYPbPrMode750p))) + if (!(pVBInfo->TVInfo & (TVSetYPbPr525p + | TVSetYPbPr750p))) tempbx = tempbx >> 1; } - if (pVBInfo->VBType & (VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS302LV | VB_XGI301C)) { temp = 0; if (tempcx & 0x0400) temp |= 0x20; @@ -5118,8 +5118,8 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, /* 301b */ tempecx = 8 * 1024; - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { tempecx = tempecx * 8; } @@ -5133,8 +5133,8 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, tempax = (unsigned short) tempeax; /* 301b */ - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { tempcx = ((tempax & 0xFF00) >> 5) >> 8; } /* end 301b */ @@ -5161,7 +5161,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, temp |= 0x18; xgifb_reg_and_or(pVBInfo->Part2Port, 0x46, ~0x1F, temp); - if (pVBInfo->TVInfo & SetPALTV) { + if (pVBInfo->TVInfo & TVSetPAL) { tempbx = 0x0382; tempcx = 0x007e; } else { @@ -5178,13 +5178,13 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, temp = temp << 2; temp |= ((tempbx & 0xFF00) >> 8) & 0x03; - if (pVBInfo->VBInfo & SetCRT2ToYPbPr) { + if (pVBInfo->VBInfo & SetCRT2ToYPbPr525750) { temp |= 0x10; - if (pVBInfo->TVInfo & SetYPbPrMode525p) + if (pVBInfo->TVInfo & TVSetYPbPr525p) temp |= 0x20; - if (pVBInfo->TVInfo & SetYPbPrMode750p) + if (pVBInfo->TVInfo & TVSetYPbPr750p) temp |= 0x60; } @@ -5192,7 +5192,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, temp = xgifb_reg_get(pVBInfo->Part2Port, 0x43); /* 301b change */ xgifb_reg_set(pVBInfo->Part2Port, 0x43, (unsigned short) (temp - 3)); - if (!(pVBInfo->TVInfo & (SetYPbPrMode525p | SetYPbPrMode750p))) { + if (!(pVBInfo->TVInfo & (TVSetYPbPr525p | TVSetYPbPr750p))) { if (pVBInfo->TVInfo & NTSC1024x768) { TimingPoint = XGI_NTSC1024AdjTime; for (i = 0x1c, j = 0; i <= 0x30; i++, j++) { @@ -5205,12 +5205,12 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, /* [ycchen] 01/14/03 Modify for 301C PALM Support */ if (pVBInfo->VBType & VB_XGI301C) { - if (pVBInfo->TVInfo & SetPALMTV) + if (pVBInfo->TVInfo & TVSetPALM) xgifb_reg_and_or(pVBInfo->Part2Port, 0x4E, ~0x08, 0x08); /* PALM Mode */ } - if (pVBInfo->TVInfo & SetPALMTV) { + if (pVBInfo->TVInfo & TVSetPALM) { tempax = (unsigned char) xgifb_reg_get(pVBInfo->Part2Port, 0x01); tempax--; @@ -5219,7 +5219,7 @@ static void XGI_SetGroup2(unsigned short ModeNo, unsigned short ModeIdIndex, xgifb_reg_and(pVBInfo->Part2Port, 0x00, 0xEF); } - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) { + if (pVBInfo->VBInfo & SetCRT2ToHiVision) { if (!(pVBInfo->VBInfo & SetInSlaveMode)) xgifb_reg_set(pVBInfo->Part2Port, 0x0B, 0x00); } @@ -5267,11 +5267,11 @@ static void XGI_SetLCDRegs(unsigned short ModeNo, unsigned short ModeIdIndex, xgifb_reg_and_or(pVBInfo->Part2Port, 0x2B, 0x0F, temp); temp = 0x01; - if (pVBInfo->LCDResInfo == Panel1280x1024) { + if (pVBInfo->LCDResInfo == Panel_1280x1024) { if (pVBInfo->ModeType == ModeEGA) { if (pVBInfo->VGAHDE >= 1024) { temp = 0x02; - if (pVBInfo->LCDInfo & LCDVESATiming) + if (pVBInfo->LCDInfo & XGI_LCDVESATiming) temp = 0x01; } } @@ -5305,14 +5305,14 @@ static void XGI_SetLCDRegs(unsigned short ModeNo, unsigned short ModeIdIndex, tempah = pVBInfo->LCDResInfo; tempah &= PanelResInfo; - if ((tempah == Panel1024x768) || (tempah == Panel1024x768x75)) { + if ((tempah == Panel_1024x768) || (tempah == Panel_1024x768x75)) { tempbx = 1024; tempcx = 768; - } else if ((tempah == Panel1280x1024) || - (tempah == Panel1280x1024x75)) { + } else if ((tempah == Panel_1280x1024) || + (tempah == Panel_1280x1024x75)) { tempbx = 1280; tempcx = 1024; - } else if (tempah == Panel1400x1050) { + } else if (tempah == Panel_1400x1050) { tempbx = 1400; tempcx = 1050; } else { @@ -5375,7 +5375,7 @@ static void XGI_SetLCDRegs(unsigned short ModeNo, unsigned short ModeIdIndex, tempcx = tempcx >> 1; } - if (pVBInfo->VBType & VB_XGI302LV) + if (pVBInfo->VBType & VB_SIS302LV) tempbx += 1; if (pVBInfo->VBType & VB_XGI301C) /* tap4 */ @@ -5405,7 +5405,7 @@ static void XGI_SetLCDRegs(unsigned short ModeNo, unsigned short ModeIdIndex, tempcx = tempcx >> 1; } - if (pVBInfo->VBType & VB_XGI302LV) + if (pVBInfo->VBType & VB_SIS302LV) tempbx += 1; tempcx += tempbx; @@ -5422,10 +5422,10 @@ static void XGI_SetLCDRegs(unsigned short ModeNo, unsigned short ModeIdIndex, temp = tempcx & 0x00FF; /* RHSYEXP2S=lcdhre */ xgifb_reg_set(pVBInfo->Part2Port, 0x21, temp); - if (!(pVBInfo->LCDInfo & LCDVESATiming)) { + if (!(pVBInfo->LCDInfo & XGI_LCDVESATiming)) { if (pVBInfo->VGAVDE == 525) { - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B - | VB_XGI301LV | VB_XGI302LV + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B + | VB_SIS301LV | VB_SIS302LV | VB_XGI301C)) { temp = 0xC6; } else @@ -5436,8 +5436,8 @@ static void XGI_SetLCDRegs(unsigned short ModeNo, unsigned short ModeIdIndex, } if (pVBInfo->VGAVDE == 420) { - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B - | VB_XGI301LV | VB_XGI302LV + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B + | VB_SIS301LV | VB_SIS302LV | VB_XGI301C)) { temp = 0x4F; } else @@ -5473,18 +5473,18 @@ static struct XGI301C_Tap4TimingStruct *XGI_GetTap4Ptr(unsigned short tempcx, else Tap4TimingPtr = xgifb_ntsc_525_tap4_timing; /* NTSC */ - if (pVBInfo->TVInfo & SetPALTV) + if (pVBInfo->TVInfo & TVSetPAL) Tap4TimingPtr = PALTap4Timing; - if (pVBInfo->VBInfo & SetCRT2ToYPbPr) { - if ((pVBInfo->TVInfo & SetYPbPrMode525i) || - (pVBInfo->TVInfo & SetYPbPrMode525p)) + if (pVBInfo->VBInfo & SetCRT2ToYPbPr525750) { + if ((pVBInfo->TVInfo & TVSetYPbPr525i) || + (pVBInfo->TVInfo & TVSetYPbPr525p)) Tap4TimingPtr = xgifb_ntsc_525_tap4_timing; - if (pVBInfo->TVInfo & SetYPbPrMode750p) + if (pVBInfo->TVInfo & TVSetYPbPr750p) Tap4TimingPtr = YPbPr750pTap4Timing; } - if (pVBInfo->VBInfo & SetCRT2ToHiVisionTV) + if (pVBInfo->VBInfo & SetCRT2ToHiVision) Tap4TimingPtr = xgifb_tap4_timing; i = 0; @@ -5510,7 +5510,7 @@ static void XGI_SetTap4Regs(struct vb_device_info *pVBInfo) xgifb_reg_set(pVBInfo->Part2Port, i, Tap4TimingPtr->Reg[j]); if ((pVBInfo->VBInfo & SetCRT2ToTV) && - (!(pVBInfo->VBInfo & SetCRT2ToHiVisionTV))) { + (!(pVBInfo->VBInfo & SetCRT2ToHiVision))) { /* Set Vertical Scaling */ Tap4TimingPtr = XGI_GetTap4Ptr(1, pVBInfo); for (i = 0xC0, j = 0; i < 0xFF; i++, j++) @@ -5520,7 +5520,7 @@ static void XGI_SetTap4Regs(struct vb_device_info *pVBInfo) } if ((pVBInfo->VBInfo & SetCRT2ToTV) && - (!(pVBInfo->VBInfo & SetCRT2ToHiVisionTV))) + (!(pVBInfo->VBInfo & SetCRT2ToHiVision))) /* Enable V.Scaling */ xgifb_reg_and_or(pVBInfo->Part2Port, 0x4E, ~0x14, 0x04); else @@ -5543,7 +5543,7 @@ static void XGI_SetGroup3(unsigned short ModeNo, unsigned short ModeIdIndex, modeflag = pVBInfo->EModeIDTable[ModeIdIndex].Ext_ModeFlag; xgifb_reg_set(pVBInfo->Part3Port, 0x00, 0x00); - if (pVBInfo->TVInfo & SetPALTV) { + if (pVBInfo->TVInfo & TVSetPAL) { xgifb_reg_set(pVBInfo->Part3Port, 0x13, 0xFA); xgifb_reg_set(pVBInfo->Part3Port, 0x14, 0xC8); } else { @@ -5554,15 +5554,15 @@ static void XGI_SetGroup3(unsigned short ModeNo, unsigned short ModeIdIndex, if (!(pVBInfo->VBInfo & SetCRT2ToTV)) return; - if (pVBInfo->TVInfo & SetPALMTV) { + if (pVBInfo->TVInfo & TVSetPALM) { xgifb_reg_set(pVBInfo->Part3Port, 0x13, 0xFA); xgifb_reg_set(pVBInfo->Part3Port, 0x14, 0xC8); xgifb_reg_set(pVBInfo->Part3Port, 0x3D, 0xA8); } - if ((pVBInfo->VBInfo & SetCRT2ToHiVisionTV) || (pVBInfo->VBInfo - & SetCRT2ToYPbPr)) { - if (pVBInfo->TVInfo & SetYPbPrMode525i) + if ((pVBInfo->VBInfo & SetCRT2ToHiVision) || (pVBInfo->VBInfo + & SetCRT2ToYPbPr525750)) { + if (pVBInfo->TVInfo & TVSetYPbPr525i) return; tempdi = pVBInfo->HiTVGroup3Data; @@ -5572,17 +5572,17 @@ static void XGI_SetGroup3(unsigned short ModeNo, unsigned short ModeIdIndex, tempdi = pVBInfo->HiTVGroup3Text; } - if (pVBInfo->TVInfo & SetYPbPrMode525p) + if (pVBInfo->TVInfo & TVSetYPbPr525p) tempdi = pVBInfo->Ren525pGroup3; - if (pVBInfo->TVInfo & SetYPbPrMode750p) + if (pVBInfo->TVInfo & TVSetYPbPr750p) tempdi = pVBInfo->Ren750pGroup3; for (i = 0; i <= 0x3E; i++) xgifb_reg_set(pVBInfo->Part3Port, i, tempdi[i]); if (pVBInfo->VBType & VB_XGI301C) { /* Marcovision */ - if (pVBInfo->TVInfo & SetYPbPrMode525p) + if (pVBInfo->TVInfo & TVSetYPbPr525p) xgifb_reg_set(pVBInfo->Part3Port, 0x28, 0x3f); } } @@ -5637,7 +5637,7 @@ static void XGI_SetGroup4(unsigned short ModeNo, unsigned short ModeIdIndex, if (XGI_IsLCDDualLink(pVBInfo)) tempbx = tempbx >> 1; - if (tempcx & SetCRT2ToHiVisionTV) { + if (tempcx & SetCRT2ToHiVision) { temp = 0; if (tempbx <= 1024) temp = 0xA0; @@ -5656,7 +5656,7 @@ static void XGI_SetGroup4(unsigned short ModeNo, unsigned short ModeIdIndex, } } - if (pVBInfo->TVInfo & (SetYPbPrMode525p | SetYPbPrMode750p)) { + if (pVBInfo->TVInfo & (TVSetYPbPr525p | TVSetYPbPr750p)) { temp = 0x00; if (pVBInfo->VGAHDE == 1280) temp = 0x40; @@ -5667,7 +5667,7 @@ static void XGI_SetGroup4(unsigned short ModeNo, unsigned short ModeIdIndex, tempebx = pVBInfo->VDE; - if (tempcx & SetCRT2ToHiVisionTV) { + if (tempcx & SetCRT2ToHiVision) { if (!(temp & 0xE000)) tempbx = tempbx >> 1; } @@ -5705,8 +5705,8 @@ static void XGI_SetGroup4(unsigned short ModeNo, unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part4Port, 0x19, temp); /* 301b */ - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { temp = 0x0028; xgifb_reg_set(pVBInfo->Part4Port, 0x1C, temp); tempax = pVBInfo->VGAHDE; @@ -5735,7 +5735,7 @@ static void XGI_SetGroup4(unsigned short ModeNo, unsigned short ModeIdIndex, temp = (tempax & 0x00FF); xgifb_reg_set(pVBInfo->Part4Port, 0x1D, temp); - if (pVBInfo->VBInfo & (SetCRT2ToTV | SetCRT2ToHiVisionTV)) { + if (pVBInfo->VBInfo & (SetCRT2ToTV | SetCRT2ToHiVision)) { if (pVBInfo->VGAHDE > 800) xgifb_reg_or(pVBInfo->Part4Port, 0x1E, 0x08); @@ -5744,8 +5744,8 @@ static void XGI_SetGroup4(unsigned short ModeNo, unsigned short ModeIdIndex, if (pVBInfo->VBInfo & SetCRT2ToTV) { if (!(pVBInfo->TVInfo & (NTSC1024x768 - | SetYPbPrMode525p | SetYPbPrMode750p - | SetYPbPrMode1080i))) { + | TVSetYPbPr525p | TVSetYPbPr750p + | TVSetHiVision))) { temp |= 0x0001; if ((pVBInfo->VBInfo & SetInSlaveMode) && (!(pVBInfo->TVInfo @@ -5785,7 +5785,7 @@ static void XGI_SetGroup5(unsigned short ModeNo, unsigned short ModeIdIndex, Pdata = pVBInfo->Part5Port + 1; if (pVBInfo->ModeType == ModeVGA) { if (!(pVBInfo->VBInfo & (SetInSlaveMode | LoadDACFlag - | CRT2DisplayFlag))) { + | DisableCRT2Display))) { XGINew_EnableCRT2(pVBInfo); } } @@ -6074,7 +6074,7 @@ static unsigned char XGI_IsLCDON(struct vb_device_info *pVBInfo) tempax = pVBInfo->VBInfo; if (tempax & SetCRT2ToDualEdge) return 0; - else if (tempax & (DisableCRT2Display | SwitchToCRT2 | SetSimuScanMode)) + else if (tempax & (DisableCRT2Display | SwitchCRT2 | SetSimuScanMode)) return 1; return 0; @@ -6140,15 +6140,15 @@ static void XGI_DisableBridge(struct xgifb_video_info *xgifb_info, { unsigned short tempah = 0; - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { tempah = 0x3F; if (!(pVBInfo->VBInfo & (DisableCRT2Display | SetSimuScanMode))) { - if (pVBInfo->VBInfo & SetCRT2ToLCDA) { + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) { if (pVBInfo->VBInfo & SetCRT2ToDualEdge) { tempah = 0x7F; /* Disable Channel A */ - if (!(pVBInfo->VBInfo & SetCRT2ToLCDA)) + if (!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)) /* Disable Channel B */ tempah = 0xBF; @@ -6166,8 +6166,8 @@ static void XGI_DisableBridge(struct xgifb_video_info *xgifb_info, /* disable part4_1f */ xgifb_reg_and(pVBInfo->Part4Port, 0x1F, tempah); - if (pVBInfo->VBType & (VB_XGI302LV | VB_XGI301C)) { - if (((pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA))) + if (pVBInfo->VBType & (VB_SIS302LV | VB_XGI301C)) { + if (((pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA))) || (XGI_DisableChISLCD(pVBInfo)) || (XGI_IsLCDON(pVBInfo))) /* LVDS Driver power down */ @@ -6175,16 +6175,16 @@ static void XGI_DisableBridge(struct xgifb_video_info *xgifb_info, } if ((pVBInfo->SetFlag & DisableChA) || (pVBInfo->VBInfo - & (DisableCRT2Display | SetCRT2ToLCDA + & (DisableCRT2Display | XGI_SetCRT2ToLCDA | SetSimuScanMode))) { if (pVBInfo->SetFlag & GatingCRT) XGI_EnableGatingCRT(HwDeviceExtension, pVBInfo); XGI_DisplayOff(xgifb_info, HwDeviceExtension, pVBInfo); } - if (pVBInfo->VBInfo & SetCRT2ToLCDA) { + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) { if ((pVBInfo->SetFlag & DisableChA) || (pVBInfo->VBInfo - & SetCRT2ToLCDA)) + & XGI_SetCRT2ToLCDA)) /* Power down */ xgifb_reg_and(pVBInfo->Part1Port, 0x1e, 0xdf); } @@ -6198,7 +6198,7 @@ static void XGI_DisableBridge(struct xgifb_video_info *xgifb_info, if ((pVBInfo->SetFlag & DisableChB) || (pVBInfo->VBInfo & (DisableCRT2Display | SetSimuScanMode)) || - ((!(pVBInfo->VBInfo & SetCRT2ToLCDA)) && + ((!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)) && (pVBInfo->VBInfo & (SetCRT2ToRAMDAC | SetCRT2ToLCD | SetCRT2ToTV)))) xgifb_reg_or(pVBInfo->Part1Port, 0x00, 0x80); @@ -6206,7 +6206,7 @@ static void XGI_DisableBridge(struct xgifb_video_info *xgifb_info, if ((pVBInfo->SetFlag & DisableChB) || (pVBInfo->VBInfo & (DisableCRT2Display | SetSimuScanMode)) || - (!(pVBInfo->VBInfo & SetCRT2ToLCDA)) || + (!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)) || (pVBInfo->VBInfo & (SetCRT2ToRAMDAC | SetCRT2ToLCD | SetCRT2ToTV))) { /* save Part1 index 0 */ @@ -6227,7 +6227,7 @@ static void XGI_DisableBridge(struct xgifb_video_info *xgifb_info, xgifb_reg_and(pVBInfo->P3c4, 0x32, 0xDF); } - if (pVBInfo->VBInfo & (DisableCRT2Display | SetCRT2ToLCDA + if (pVBInfo->VBInfo & (DisableCRT2Display | XGI_SetCRT2ToLCDA | SetSimuScanMode)) XGI_DisplayOff(xgifb_info, HwDeviceExtension, pVBInfo); } @@ -6254,15 +6254,15 @@ static unsigned short XGI_GetTVPtrIndex(struct vb_device_info *pVBInfo) { unsigned short tempbx = 0; - if (pVBInfo->TVInfo & SetPALTV) + if (pVBInfo->TVInfo & TVSetPAL) tempbx = 2; - if (pVBInfo->TVInfo & SetYPbPrMode1080i) + if (pVBInfo->TVInfo & TVSetHiVision) tempbx = 4; - if (pVBInfo->TVInfo & SetYPbPrMode525i) + if (pVBInfo->TVInfo & TVSetYPbPr525i) tempbx = 6; - if (pVBInfo->TVInfo & SetYPbPrMode525p) + if (pVBInfo->TVInfo & TVSetYPbPr525p) tempbx = 8; - if (pVBInfo->TVInfo & SetYPbPrMode750p) + if (pVBInfo->TVInfo & TVSetYPbPr750p) tempbx = 10; if (pVBInfo->TVInfo & TVSimuMode) tempbx++; @@ -6293,23 +6293,23 @@ static void XGI_GetTVPtrIndex2(unsigned short *tempbx, unsigned char *tempcl, *tempcl = 0; *tempch = 0; - if (pVBInfo->TVInfo & SetPALTV) + if (pVBInfo->TVInfo & TVSetPAL) *tempbx = 1; - if (pVBInfo->TVInfo & SetPALMTV) + if (pVBInfo->TVInfo & TVSetPALM) *tempbx = 2; - if (pVBInfo->TVInfo & SetPALNTV) + if (pVBInfo->TVInfo & TVSetPALN) *tempbx = 3; if (pVBInfo->TVInfo & NTSC1024x768) { *tempbx = 4; - if (pVBInfo->TVInfo & SetPALMTV) + if (pVBInfo->TVInfo & TVSetPALM) *tempbx = 5; } - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { if ((!(pVBInfo->VBInfo & SetInSlaveMode)) || (pVBInfo->TVInfo & TVSimuMode)) { *tempbx += 8; @@ -6317,8 +6317,8 @@ static void XGI_GetTVPtrIndex2(unsigned short *tempbx, unsigned char *tempcl, } } - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) (*tempch)++; } @@ -6328,9 +6328,9 @@ static void XGI_SetDelayComp(struct vb_device_info *pVBInfo) unsigned char tempah, tempbl, tempbh; - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA | SetCRT2ToTV | SetCRT2ToRAMDAC)) { tempbl = 0; tempbh = 0; @@ -6338,20 +6338,20 @@ static void XGI_SetDelayComp(struct vb_device_info *pVBInfo) index = XGI_GetTVPtrIndex(pVBInfo); /* Get TV Delay */ tempbl = pVBInfo->XGI_TVDelayList[index]; - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B - | VB_XGI301LV | VB_XGI302LV + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B + | VB_SIS301LV | VB_SIS302LV | VB_XGI301C)) tempbl = pVBInfo->XGI_TVDelayList2[index]; if (pVBInfo->VBInfo & SetCRT2ToDualEdge) tempbl = tempbl >> 4; - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) { + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { /* Get LCD Delay */ index = XGI_GetLCDCapPtr(pVBInfo); tempbh = pVBInfo->LCDCapList[index]. LCD_DelayCompensation; - if (!(pVBInfo->VBInfo & SetCRT2ToLCDA)) + if (!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)) tempbl = tempbh; } @@ -6365,7 +6365,7 @@ static void XGI_SetDelayComp(struct vb_device_info *pVBInfo) tempah |= tempbl; } - if (pVBInfo->VBInfo & SetCRT2ToLCDA) { /* Channel A */ + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) { /* Channel A */ tempah &= 0x0F; tempah |= tempbh; } @@ -6475,13 +6475,13 @@ static void XGI_SetLCDCap(struct vb_device_info *pVBInfo) tempcx = pVBInfo->LCDCapList[XGI_GetLCDCapPtr(pVBInfo)].LCD_Capability; if (pVBInfo->VBType & - (VB_XGI301B | - VB_XGI302B | - VB_XGI301LV | - VB_XGI302LV | + (VB_SIS301B | + VB_SIS302B | + VB_SIS301LV | + VB_SIS302LV | VB_XGI301C)) { /* 301LV/302LV only */ if (pVBInfo->VBType & - (VB_XGI301LV | VB_XGI302LV | VB_XGI301C)) { + (VB_SIS301LV | VB_SIS302LV | VB_XGI301C)) { /* Set 301LV Capability */ xgifb_reg_set(pVBInfo->Part4Port, 0x24, (unsigned char) (tempcx & 0x1F)); @@ -6493,14 +6493,14 @@ static void XGI_SetLCDCap(struct vb_device_info *pVBInfo) | EnablePLLSPLOW)) >> 8)); } - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { if (pVBInfo->VBInfo & SetCRT2ToLCD) XGI_SetLCDCap_B(tempcx, pVBInfo); - else if (pVBInfo->VBInfo & SetCRT2ToLCDA) + else if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) XGI_SetLCDCap_A(tempcx, pVBInfo); - if (pVBInfo->VBType & (VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS302LV | VB_XGI301C)) { if (tempcx & EnableSpectrum) SetSpectrum(pVBInfo); } @@ -6524,7 +6524,7 @@ static void XGI_SetAntiFlicker(unsigned short ModeNo, unsigned char tempah; - if (pVBInfo->TVInfo & (SetYPbPrMode525p | SetYPbPrMode750p)) + if (pVBInfo->TVInfo & (TVSetYPbPr525p | TVSetYPbPr750p)) return; tempbx = XGI_GetTVPtrIndex(pVBInfo); @@ -6648,8 +6648,8 @@ static void XGI_SetYFilter(unsigned short ModeNo, unsigned short ModeIdIndex, xgifb_reg_set(pVBInfo->Part2Port, 0x38, filterPtr[index++]); } - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { xgifb_reg_set(pVBInfo->Part2Port, 0x48, filterPtr[index++]); xgifb_reg_set(pVBInfo->Part2Port, 0x49, filterPtr[index++]); xgifb_reg_set(pVBInfo->Part2Port, 0x4A, filterPtr[index++]); @@ -6668,7 +6668,7 @@ static void XGI_OEM310Setting(unsigned short ModeNo, { XGI_SetDelayComp(pVBInfo); - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) XGI_SetLCDCap(pVBInfo); if (pVBInfo->VBInfo & SetCRT2ToTV) { @@ -6676,7 +6676,7 @@ static void XGI_OEM310Setting(unsigned short ModeNo, XGI_SetYFilter(ModeNo, ModeIdIndex, pVBInfo); XGI_SetAntiFlicker(ModeNo, ModeIdIndex, pVBInfo); - if (pVBInfo->VBType & VB_XGI301) + if (pVBInfo->VBType & VB_SIS301) XGI_SetEdgeEnhance(ModeNo, ModeIdIndex, pVBInfo); } } @@ -6732,15 +6732,15 @@ static void XGI_SetCRT2ModeRegs(unsigned short ModeNo, tempbl = 0xff; if (pVBInfo->VBInfo & (SetCRT2ToRAMDAC | SetCRT2ToTV - | SetCRT2ToLCD | SetCRT2ToLCDA)) { - if ((pVBInfo->VBInfo & SetCRT2ToLCDA) && + | SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { + if ((pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) && (!(pVBInfo->VBInfo & SetSimuScanMode))) { tempbl &= 0xf7; tempah |= 0x01; xgifb_reg_and_or(pVBInfo->Part1Port, 0x2e, tempbl, tempah); } else { - if (pVBInfo->VBInfo & SetCRT2ToLCDA) { + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) { tempbl &= 0xf7; tempah |= 0x01; } @@ -6780,7 +6780,7 @@ static void XGI_SetCRT2ModeRegs(unsigned short ModeNo, } if (pVBInfo->VBInfo & (SetCRT2ToRAMDAC | SetCRT2ToTV | SetCRT2ToLCD - | SetCRT2ToLCDA)) { + | XGI_SetCRT2ToLCDA)) { tempah &= (~0x08); if ((pVBInfo->ModeType == ModeVGA) && (!(pVBInfo->VBInfo & SetInSlaveMode))) { @@ -6807,24 +6807,24 @@ static void XGI_SetCRT2ModeRegs(unsigned short ModeNo, tempah |= 0x40; } - if ((pVBInfo->LCDResInfo == Panel1280x1024) - || (pVBInfo->LCDResInfo == Panel1280x1024x75)) + if ((pVBInfo->LCDResInfo == Panel_1280x1024) + || (pVBInfo->LCDResInfo == Panel_1280x1024x75)) tempah |= 0x80; - if (pVBInfo->LCDResInfo == Panel1280x960) + if (pVBInfo->LCDResInfo == Panel_1280x960) tempah |= 0x80; xgifb_reg_set(pVBInfo->Part4Port, 0x0C, tempah); } - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { tempah = 0; tempbl = 0xfb; if (pVBInfo->VBInfo & SetCRT2ToDualEdge) { tempbl = 0xff; - if (pVBInfo->VBInfo & SetCRT2ToLCDA) + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) tempah |= 0x04; /* shampoo 0129 */ } @@ -6849,7 +6849,7 @@ static void XGI_SetCRT2ModeRegs(unsigned short ModeNo, tempah = 0; tempbl = 0x7f; - if (!(pVBInfo->VBInfo & SetCRT2ToLCDA)) { + if (!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)) { tempbl = 0xff; if (!(pVBInfo->VBInfo & SetCRT2ToDualEdge)) tempah |= 0x80; @@ -6857,7 +6857,7 @@ static void XGI_SetCRT2ModeRegs(unsigned short ModeNo, xgifb_reg_and_or(pVBInfo->Part4Port, 0x23, tempbl, tempah); - if (pVBInfo->VBType & (VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS302LV | VB_XGI301C)) { if (pVBInfo->LCDInfo & SetLCDDualLink) { xgifb_reg_or(pVBInfo->Part4Port, 0x27, 0x20); xgifb_reg_or(pVBInfo->Part4Port, 0x34, 0x10); @@ -6872,7 +6872,7 @@ static void XGI_CloseCRTC(struct xgi_hw_device_info *HwDeviceExtension, tempbx = 0; - if (pVBInfo->VBInfo & SetCRT2ToLCDA) + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) tempbx = 0x08A0; } @@ -6937,10 +6937,10 @@ unsigned short XGI_GetRatePtrCRT2(struct xgi_hw_device_info *pXGIHWDE, index--; if (pVBInfo->SetFlag & ProgrammingCRT2) { - if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) { + if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { if (pVBInfo->IF_DEF_LVDS == 0) { - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B - | VB_XGI301LV | VB_XGI302LV + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B + | VB_SIS301LV | VB_SIS302LV | VB_XGI301C)) /* 301b */ temp = LCDARefreshIndex[ @@ -6983,7 +6983,7 @@ unsigned short XGI_GetRatePtrCRT2(struct xgi_hw_device_info *pXGIHWDE, break; temp = pVBInfo->RefIndex[RefreshRateTableIndex + i]. Ext_InfoFlag; - temp &= ModeInfoFlag; + temp &= ModeTypeMask; if (temp < pVBInfo->ModeType) break; i++; @@ -7163,8 +7163,8 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info, { unsigned short tempah; - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { if (!(pVBInfo->SetFlag & DisableChA)) { if (pVBInfo->SetFlag & EnableChA) { /* Power on */ @@ -7207,11 +7207,11 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info, || (!(pVBInfo->VBInfo & DisableCRT2Display))) { xgifb_reg_and_or(pVBInfo->Part2Port, 0x00, ~0xE0, 0x20); /* shampoo 0129 */ - if (pVBInfo->VBType & (VB_XGI302LV | VB_XGI301C)) { + if (pVBInfo->VBType & (VB_SIS302LV | VB_XGI301C)) { if (!XGI_DisableChISLCD(pVBInfo)) { if (XGI_EnableChISLCD(pVBInfo) || (pVBInfo->VBInfo & - (SetCRT2ToLCD | SetCRT2ToLCDA))) + (SetCRT2ToLCD | XGI_SetCRT2ToLCDA))) /* LVDS PLL power on */ xgifb_reg_and( pVBInfo->Part4Port, @@ -7229,12 +7229,12 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info, tempah = 0xc0; if (!(pVBInfo->VBInfo & SetSimuScanMode)) { - if (pVBInfo->VBInfo & SetCRT2ToLCDA) { + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) { if (pVBInfo->VBInfo & SetCRT2ToDualEdge) { tempah = tempah & 0x40; if (pVBInfo->VBInfo & - SetCRT2ToLCDA) + XGI_SetCRT2ToLCDA) tempah = tempah ^ 0xC0; if (pVBInfo->SetFlag & @@ -7271,7 +7271,7 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info, } /* 301 */ else { /* LVDS */ if (pVBInfo->VBInfo & (SetCRT2ToTV | SetCRT2ToLCD - | SetCRT2ToLCDA)) + | XGI_SetCRT2ToLCDA)) /* enable CRT2 */ xgifb_reg_or(pVBInfo->Part1Port, 0x1E, 0x20); @@ -7311,9 +7311,9 @@ static void XGI_SetCRT1Group(struct xgifb_video_info *xgifb_info, pVBInfo->SetFlag &= temp; pVBInfo->SelectCRT2Rate = 0; - if (pVBInfo->VBType & (VB_XGI301B | VB_XGI302B | VB_XGI301LV - | VB_XGI302LV | VB_XGI301C)) { - if (pVBInfo->VBInfo & (SetSimuScanMode | SetCRT2ToLCDA + if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B | VB_SIS301LV + | VB_SIS302LV | VB_XGI301C)) { + if (pVBInfo->VBInfo & (SetSimuScanMode | XGI_SetCRT2ToLCDA | SetInSlaveMode)) { pVBInfo->SetFlag |= ProgrammingCRT2; } @@ -7415,11 +7415,11 @@ unsigned char XGISetModeNew(struct xgifb_video_info *xgifb_info, pVBInfo->P3c9 = pVBInfo->BaseAddr + 0x19; pVBInfo->P3da = pVBInfo->BaseAddr + 0x2A; pVBInfo->Part0Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_00; - pVBInfo->Part1Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_04; - pVBInfo->Part2Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_10; - pVBInfo->Part3Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_12; - pVBInfo->Part4Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_14; - pVBInfo->Part5Port = pVBInfo->BaseAddr + XGI_CRT2_PORT_14 + 2; + pVBInfo->Part1Port = pVBInfo->BaseAddr + SIS_CRT2_PORT_04; + pVBInfo->Part2Port = pVBInfo->BaseAddr + SIS_CRT2_PORT_10; + pVBInfo->Part3Port = pVBInfo->BaseAddr + SIS_CRT2_PORT_12; + pVBInfo->Part4Port = pVBInfo->BaseAddr + SIS_CRT2_PORT_14; + pVBInfo->Part5Port = pVBInfo->BaseAddr + SIS_CRT2_PORT_14 + 2; /* for x86 Linux, XG21 LVDS */ if (HwDeviceExtension->jChipType == XG21) { @@ -7452,20 +7452,20 @@ unsigned char XGISetModeNew(struct xgifb_video_info *xgifb_info, XGI_GetLCDInfo(ModeNo, ModeIdIndex, pVBInfo); XGI_DisableBridge(xgifb_info, HwDeviceExtension, pVBInfo); - if (pVBInfo->VBInfo & (SetSimuScanMode | SetCRT2ToLCDA)) { + if (pVBInfo->VBInfo & (SetSimuScanMode | XGI_SetCRT2ToLCDA)) { XGI_SetCRT1Group(xgifb_info, HwDeviceExtension, ModeNo, ModeIdIndex, pVBInfo); - if (pVBInfo->VBInfo & SetCRT2ToLCDA) { + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) { XGI_SetLCDAGroup(ModeNo, ModeIdIndex, HwDeviceExtension, pVBInfo); } } else { - if (!(pVBInfo->VBInfo & SwitchToCRT2)) { + if (!(pVBInfo->VBInfo & SwitchCRT2)) { XGI_SetCRT1Group(xgifb_info, HwDeviceExtension, ModeNo, ModeIdIndex, pVBInfo); - if (pVBInfo->VBInfo & SetCRT2ToLCDA) { + if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) { XGI_SetLCDAGroup(ModeNo, ModeIdIndex, HwDeviceExtension, pVBInfo); @@ -7473,7 +7473,7 @@ unsigned char XGISetModeNew(struct xgifb_video_info *xgifb_info, } } - if (pVBInfo->VBInfo & (SetSimuScanMode | SwitchToCRT2)) { + if (pVBInfo->VBInfo & (SetSimuScanMode | SwitchCRT2)) { switch (HwDeviceExtension->ujVBChipID) { case VB_CHIP_301: XGI_SetCRT2Group301(ModeNo, HwDeviceExtension, @@ -7504,10 +7504,10 @@ unsigned char XGISetModeNew(struct xgifb_video_info *xgifb_info, if (ModeNo <= 0x13) { pVBInfo->ModeType = pVBInfo->SModeIDTable[ModeIdIndex]. - St_ModeFlag & ModeInfoFlag; + St_ModeFlag & ModeTypeMask; } else { pVBInfo->ModeType = pVBInfo->EModeIDTable[ModeIdIndex]. - Ext_ModeFlag & ModeInfoFlag; + Ext_ModeFlag & ModeTypeMask; } pVBInfo->SetFlag = 0; diff --git a/drivers/staging/xgifb/vb_struct.h b/drivers/staging/xgifb/vb_struct.h index 6556a0d6ff8..a5bd56af92b 100644 --- a/drivers/staging/xgifb/vb_struct.h +++ b/drivers/staging/xgifb/vb_struct.h @@ -1,15 +1,6 @@ #ifndef _VB_STRUCT_ #define _VB_STRUCT_ - -struct XGI_LCDDataStruct { - unsigned short RVBHCMAX; - unsigned short RVBHCFACT; - unsigned short VGAHT; - unsigned short VGAVT; - unsigned short LCDHT; - unsigned short LCDVT; -}; - +#include "../../video/sis/vstruct.h" struct XGI_LVDSCRT1HDataStruct { unsigned char Reg[8]; @@ -19,22 +10,6 @@ struct XGI_LVDSCRT1VDataStruct { unsigned char Reg[7]; }; -struct XGI_TVDataStruct { - unsigned short RVBHCMAX; - unsigned short RVBHCFACT; - unsigned short VGAHT; - unsigned short VGAVT; - unsigned short TVHDE; - unsigned short TVVDE; - unsigned short RVBHRS; - unsigned char FlickerMode; - unsigned short HALFRVBHRS; - unsigned char RY1COE; - unsigned char RY2COE; - unsigned char RY3COE; - unsigned char RY4COE; -}; - struct XGI_StStruct { unsigned char St_ModeID; unsigned short St_ModeFlag; @@ -47,18 +22,6 @@ struct XGI_StStruct { unsigned char VB_StTVYFilterIndex; }; -struct XGI_StandTableStruct { - unsigned char CRT_COLS; - unsigned char ROWS; - unsigned char CHAR_HEIGHT; - unsigned short CRT_LEN; - unsigned char SR[4]; - unsigned char MISC; - unsigned char CRTC[0x19]; - unsigned char ATTR[0x14]; - unsigned char GRC[9]; -}; - struct XGI_ExtStruct { unsigned char Ext_ModeID; unsigned short Ext_ModeFlag; @@ -85,39 +48,11 @@ struct XGI_Ext2Struct { /* unsigned short ROM_OFFSET; */ }; - -struct XGI_MCLKDataStruct { - unsigned char SR28, SR29, SR2A; - unsigned short CLOCK; -}; - struct XGI_ECLKDataStruct { unsigned char SR2E, SR2F, SR30; unsigned short CLOCK; }; -struct XGI_VCLKDataStruct { - unsigned char SR2B, SR2C; - unsigned short CLOCK; -}; - -struct XGI_VBVCLKDataStruct { - unsigned char Part4_A, Part4_B; - unsigned short CLOCK; -}; - -struct XGI_StResInfoStruct { - unsigned short HTotal; - unsigned short VTotal; -}; - -struct XGI_ModeResInfoStruct { - unsigned short HTotal; - unsigned short VTotal; - unsigned char XChar; - unsigned char YChar; -}; - /*add for new UNIVGABIOS*/ struct XGI_LCDDesStruct { unsigned short LCDHDES; @@ -350,7 +285,7 @@ struct vb_device_info { unsigned char *pCRT2Data_4_D; unsigned char *pCRT2Data_4_E; unsigned char *pCRT2Data_4_10; - struct XGI_MCLKDataStruct *MCLKData; + struct SiS_MCLKData *MCLKData; struct XGI_ECLKDataStruct *ECLKData; unsigned char *XGI_TVDelayList; @@ -380,15 +315,15 @@ struct vb_device_info { struct XGI_TimingVStruct *TimingV; struct XGI_StStruct *SModeIDTable; - struct XGI_StandTableStruct *StandTable; + struct SiS_StandTable_S *StandTable; struct XGI_ExtStruct *EModeIDTable; struct XGI_Ext2Struct *RefIndex; /* XGINew_CRT1TableStruct *CRT1Table; */ struct XGI_CRT1TableStruct *XGINEWUB_CRT1Table; - struct XGI_VCLKDataStruct *VCLKData; - struct XGI_VBVCLKDataStruct *VBVCLKData; - struct XGI_StResInfoStruct *StResInfo; - struct XGI_ModeResInfoStruct *ModeResInfo; + struct SiS_VCLKData *VCLKData; + struct SiS_VBVCLKData *VBVCLKData; + struct SiS_StResInfo_S *StResInfo; + struct SiS_ModeResInfo_S *ModeResInfo; struct XGI_XG21CRT1Struct *UpdateCRT1; int ram_type; diff --git a/drivers/staging/xgifb/vb_table.h b/drivers/staging/xgifb/vb_table.h index e7946f1c114..dddf261ed53 100644 --- a/drivers/staging/xgifb/vb_table.h +++ b/drivers/staging/xgifb/vb_table.h @@ -1,5 +1,5 @@ /* yilin modify for xgi20 */ -static struct XGI_MCLKDataStruct XGI340New_MCLKData[] = { +static struct SiS_MCLKData XGI340New_MCLKData[] = { {0x16, 0x01, 0x01, 166}, {0x19, 0x02, 0x01, 124}, {0x7C, 0x08, 0x01, 200}, @@ -10,7 +10,7 @@ static struct XGI_MCLKDataStruct XGI340New_MCLKData[] = { {0x5c, 0x23, 0x01, 166} }; -static struct XGI_MCLKDataStruct XGI27New_MCLKData[] = { +static struct SiS_MCLKData XGI27New_MCLKData[] = { {0x5c, 0x23, 0x01, 166}, {0x19, 0x02, 0x01, 124}, {0x7C, 0x08, 0x80, 200}, @@ -296,7 +296,7 @@ static struct XGI_ExtStruct XGI330_EModeIDTable[] = { 0x00, 0x00, 0x00, 0x00, 0x00} }; -static struct XGI_StandTableStruct XGI330_StandTable[] = { +static struct SiS_StandTable_S XGI330_StandTable[] = { /* MD_0_200 */ { 0x28, 0x18, 0x08, 0x0800, @@ -2353,109 +2353,109 @@ static struct XGI_LVDSCRT1VDataStruct XGI_LVDSCRT11280x1024_2_Vx75[] = { /*add for new UNIVGABIOS*/ static struct XGI330_LCDDataTablStruct XGI_LCDDataTable[] = { - {Panel1024x768, 0x0019, 0x0001, 0}, /* XGI_ExtLCD1024x768Data */ - {Panel1024x768, 0x0019, 0x0000, 1}, /* XGI_StLCD1024x768Data */ - {Panel1024x768, 0x0018, 0x0010, 2}, /* XGI_CetLCD1024x768Data */ - {Panel1280x1024, 0x0019, 0x0001, 3}, /* XGI_ExtLCD1280x1024Data */ - {Panel1280x1024, 0x0019, 0x0000, 4}, /* XGI_StLCD1280x1024Data */ - {Panel1280x1024, 0x0018, 0x0010, 5}, /* XGI_CetLCD1280x1024Data */ - {Panel1400x1050, 0x0019, 0x0001, 6}, /* XGI_ExtLCD1400x1050Data */ - {Panel1400x1050, 0x0019, 0x0000, 7}, /* XGI_StLCD1400x1050Data */ - {Panel1400x1050, 0x0018, 0x0010, 8}, /* XGI_CetLCD1400x1050Data */ - {Panel1600x1200, 0x0019, 0x0001, 9}, /* XGI_ExtLCD1600x1200Data */ - {Panel1600x1200, 0x0019, 0x0000, 10}, /* XGI_StLCD1600x1200Data */ + {Panel_1024x768, 0x0019, 0x0001, 0}, /* XGI_ExtLCD1024x768Data */ + {Panel_1024x768, 0x0019, 0x0000, 1}, /* XGI_StLCD1024x768Data */ + {Panel_1024x768, 0x0018, 0x0010, 2}, /* XGI_CetLCD1024x768Data */ + {Panel_1280x1024, 0x0019, 0x0001, 3}, /* XGI_ExtLCD1280x1024Data */ + {Panel_1280x1024, 0x0019, 0x0000, 4}, /* XGI_StLCD1280x1024Data */ + {Panel_1280x1024, 0x0018, 0x0010, 5}, /* XGI_CetLCD1280x1024Data */ + {Panel_1400x1050, 0x0019, 0x0001, 6}, /* XGI_ExtLCD1400x1050Data */ + {Panel_1400x1050, 0x0019, 0x0000, 7}, /* XGI_StLCD1400x1050Data */ + {Panel_1400x1050, 0x0018, 0x0010, 8}, /* XGI_CetLCD1400x1050Data */ + {Panel_1600x1200, 0x0019, 0x0001, 9}, /* XGI_ExtLCD1600x1200Data */ + {Panel_1600x1200, 0x0019, 0x0000, 10}, /* XGI_StLCD1600x1200Data */ {PanelRef60Hz, 0x0008, 0x0008, 11}, /* XGI_NoScalingData */ - {Panel1024x768x75, 0x0019, 0x0001, 12}, /* XGI_ExtLCD1024x768x75Data */ - {Panel1024x768x75, 0x0019, 0x0000, 13}, /* XGI_StLCD1024x768x75Data */ - {Panel1024x768x75, 0x0018, 0x0010, 14}, /* XGI_CetLCD1024x768x75Data */ - {Panel1280x1024x75, 0x0019, 0x0001, 15}, /* XGI_ExtLCD1280x1024x75Data*/ - {Panel1280x1024x75, 0x0019, 0x0000, 16}, /* XGI_StLCD1280x1024x75Data */ - {Panel1280x1024x75, 0x0018, 0x0010, 17}, /* XGI_CetLCD1280x1024x75Data*/ + {Panel_1024x768x75, 0x0019, 0x0001, 12}, /* XGI_ExtLCD1024x768x75Data */ + {Panel_1024x768x75, 0x0019, 0x0000, 13}, /* XGI_StLCD1024x768x75Data */ + {Panel_1024x768x75, 0x0018, 0x0010, 14}, /* XGI_CetLCD1024x768x75Data */ + {Panel_1280x1024x75, 0x0019, 0x0001, 15}, /* XGI_ExtLCD1280x1024x75Data*/ + {Panel_1280x1024x75, 0x0019, 0x0000, 16}, /* XGI_StLCD1280x1024x75Data */ + {Panel_1280x1024x75, 0x0018, 0x0010, 17}, /* XGI_CetLCD1280x1024x75Data*/ {PanelRef75Hz, 0x0008, 0x0008, 18}, /* XGI_NoScalingDatax75 */ {0xFF, 0x0000, 0x0000, 0} /* End of table */ }; static struct XGI330_LCDDataTablStruct XGI_LCDDesDataTable[] = { - {Panel1024x768, 0x0019, 0x0001, 0}, /* XGI_ExtLCDDes1024x768Data */ - {Panel1024x768, 0x0019, 0x0000, 1}, /* XGI_StLCDDes1024x768Data */ - {Panel1024x768, 0x0018, 0x0010, 2}, /* XGI_CetLCDDes1024x768Data */ - {Panel1280x1024, 0x0019, 0x0001, 3}, /* XGI_ExtLCDDes1280x1024Data */ - {Panel1280x1024, 0x0019, 0x0000, 4}, /* XGI_StLCDDes1280x1024Data */ - {Panel1280x1024, 0x0018, 0x0010, 5}, /* XGI_CetLCDDes1280x1024Data */ - {Panel1400x1050, 0x0019, 0x0001, 6}, /* XGI_ExtLCDDes1400x1050Data */ - {Panel1400x1050, 0x0019, 0x0000, 7}, /* XGI_StLCDDes1400x1050Data */ - {Panel1400x1050, 0x0418, 0x0010, 8}, /* XGI_CetLCDDes1400x1050Data */ - {Panel1400x1050, 0x0418, 0x0410, 9}, /* XGI_CetLCDDes1400x1050Data2 */ - {Panel1600x1200, 0x0019, 0x0001, 10}, /* XGI_ExtLCDDes1600x1200Data */ - {Panel1600x1200, 0x0019, 0x0000, 11}, /* XGI_StLCDDes1600x1200Data */ + {Panel_1024x768, 0x0019, 0x0001, 0}, /* XGI_ExtLCDDes1024x768Data */ + {Panel_1024x768, 0x0019, 0x0000, 1}, /* XGI_StLCDDes1024x768Data */ + {Panel_1024x768, 0x0018, 0x0010, 2}, /* XGI_CetLCDDes1024x768Data */ + {Panel_1280x1024, 0x0019, 0x0001, 3}, /* XGI_ExtLCDDes1280x1024Data */ + {Panel_1280x1024, 0x0019, 0x0000, 4}, /* XGI_StLCDDes1280x1024Data */ + {Panel_1280x1024, 0x0018, 0x0010, 5}, /* XGI_CetLCDDes1280x1024Data */ + {Panel_1400x1050, 0x0019, 0x0001, 6}, /* XGI_ExtLCDDes1400x1050Data */ + {Panel_1400x1050, 0x0019, 0x0000, 7}, /* XGI_StLCDDes1400x1050Data */ + {Panel_1400x1050, 0x0418, 0x0010, 8}, /* XGI_CetLCDDes1400x1050Data */ + {Panel_1400x1050, 0x0418, 0x0410, 9}, /* XGI_CetLCDDes1400x1050Data2 */ + {Panel_1600x1200, 0x0019, 0x0001, 10}, /* XGI_ExtLCDDes1600x1200Data */ + {Panel_1600x1200, 0x0019, 0x0000, 11}, /* XGI_StLCDDes1600x1200Data */ {PanelRef60Hz, 0x0008, 0x0008, 12}, /* XGI_NoScalingDesData */ - {Panel1024x768x75, 0x0019, 0x0001, 13}, /*XGI_ExtLCDDes1024x768x75Data*/ - {Panel1024x768x75, 0x0019, 0x0000, 14}, /* XGI_StLCDDes1024x768x75Data*/ - {Panel1024x768x75, 0x0018, 0x0010, 15}, /*XGI_CetLCDDes1024x768x75Data*/ + {Panel_1024x768x75, 0x0019, 0x0001, 13}, /*XGI_ExtLCDDes1024x768x75Data*/ + {Panel_1024x768x75, 0x0019, 0x0000, 14}, /* XGI_StLCDDes1024x768x75Data*/ + {Panel_1024x768x75, 0x0018, 0x0010, 15}, /*XGI_CetLCDDes1024x768x75Data*/ /* XGI_ExtLCDDes1280x1024x75Data */ - {Panel1280x1024x75, 0x0019, 0x0001, 16}, + {Panel_1280x1024x75, 0x0019, 0x0001, 16}, /* XGI_StLCDDes1280x1024x75Data */ - {Panel1280x1024x75, 0x0019, 0x0000, 17}, + {Panel_1280x1024x75, 0x0019, 0x0000, 17}, /* XGI_CetLCDDes1280x1024x75Data */ - {Panel1280x1024x75, 0x0018, 0x0010, 18}, + {Panel_1280x1024x75, 0x0018, 0x0010, 18}, {PanelRef75Hz, 0x0008, 0x0008, 19}, /* XGI_NoScalingDesDatax75 */ {0xFF, 0x0000, 0x0000, 0} }; static struct XGI330_LCDDataTablStruct xgifb_epllcd_crt1[] = { - {Panel1024x768, 0x0018, 0x0000, 0}, /* XGI_LVDSCRT11024x768_1 */ - {Panel1024x768, 0x0018, 0x0010, 1}, /* XGI_LVDSCRT11024x768_2 */ - {Panel1280x1024, 0x0018, 0x0000, 2}, /* XGI_LVDSCRT11280x1024_1 */ - {Panel1280x1024, 0x0018, 0x0010, 3}, /* XGI_LVDSCRT11280x1024_2 */ - {Panel1400x1050, 0x0018, 0x0000, 4}, /* XGI_LVDSCRT11400x1050_1 */ - {Panel1400x1050, 0x0018, 0x0010, 5}, /* XGI_LVDSCRT11400x1050_2 */ - {Panel1600x1200, 0x0018, 0x0000, 6}, /* XGI_LVDSCRT11600x1200_1 */ - {Panel1024x768x75, 0x0018, 0x0000, 7}, /* XGI_LVDSCRT11024x768_1x75 */ - {Panel1024x768x75, 0x0018, 0x0010, 8}, /* XGI_LVDSCRT11024x768_2x75 */ - {Panel1280x1024x75, 0x0018, 0x0000, 9}, /*XGI_LVDSCRT11280x1024_1x75*/ - {Panel1280x1024x75, 0x0018, 0x0010, 10},/*XGI_LVDSCRT11280x1024_2x75*/ + {Panel_1024x768, 0x0018, 0x0000, 0}, /* XGI_LVDSCRT11024x768_1 */ + {Panel_1024x768, 0x0018, 0x0010, 1}, /* XGI_LVDSCRT11024x768_2 */ + {Panel_1280x1024, 0x0018, 0x0000, 2}, /* XGI_LVDSCRT11280x1024_1 */ + {Panel_1280x1024, 0x0018, 0x0010, 3}, /* XGI_LVDSCRT11280x1024_2 */ + {Panel_1400x1050, 0x0018, 0x0000, 4}, /* XGI_LVDSCRT11400x1050_1 */ + {Panel_1400x1050, 0x0018, 0x0010, 5}, /* XGI_LVDSCRT11400x1050_2 */ + {Panel_1600x1200, 0x0018, 0x0000, 6}, /* XGI_LVDSCRT11600x1200_1 */ + {Panel_1024x768x75, 0x0018, 0x0000, 7}, /* XGI_LVDSCRT11024x768_1x75 */ + {Panel_1024x768x75, 0x0018, 0x0010, 8}, /* XGI_LVDSCRT11024x768_2x75 */ + {Panel_1280x1024x75, 0x0018, 0x0000, 9}, /*XGI_LVDSCRT11280x1024_1x75*/ + {Panel_1280x1024x75, 0x0018, 0x0010, 10},/*XGI_LVDSCRT11280x1024_2x75*/ {0xFF, 0x0000, 0x0000, 0} }; static struct XGI330_LCDDataTablStruct XGI_EPLLCDDataPtr[] = { - {Panel1024x768, 0x0018, 0x0000, 0}, /* XGI_LVDS1024x768Data_1 */ - {Panel1024x768, 0x0018, 0x0010, 1}, /* XGI_LVDS1024x768Data_2 */ - {Panel1280x1024, 0x0018, 0x0000, 2}, /* XGI_LVDS1280x1024Data_1 */ - {Panel1280x1024, 0x0018, 0x0010, 3}, /* XGI_LVDS1280x1024Data_2 */ - {Panel1400x1050, 0x0018, 0x0000, 4}, /* XGI_LVDS1400x1050Data_1 */ - {Panel1400x1050, 0x0018, 0x0010, 5}, /* XGI_LVDS1400x1050Data_2 */ - {Panel1600x1200, 0x0018, 0x0000, 6}, /* XGI_LVDS1600x1200Data_1 */ + {Panel_1024x768, 0x0018, 0x0000, 0}, /* XGI_LVDS1024x768Data_1 */ + {Panel_1024x768, 0x0018, 0x0010, 1}, /* XGI_LVDS1024x768Data_2 */ + {Panel_1280x1024, 0x0018, 0x0000, 2}, /* XGI_LVDS1280x1024Data_1 */ + {Panel_1280x1024, 0x0018, 0x0010, 3}, /* XGI_LVDS1280x1024Data_2 */ + {Panel_1400x1050, 0x0018, 0x0000, 4}, /* XGI_LVDS1400x1050Data_1 */ + {Panel_1400x1050, 0x0018, 0x0010, 5}, /* XGI_LVDS1400x1050Data_2 */ + {Panel_1600x1200, 0x0018, 0x0000, 6}, /* XGI_LVDS1600x1200Data_1 */ {PanelRef60Hz, 0x0008, 0x0008, 7}, /* XGI_LVDSNoScalingData */ - {Panel1024x768x75, 0x0018, 0x0000, 8}, /* XGI_LVDS1024x768Data_1x75 */ - {Panel1024x768x75, 0x0018, 0x0010, 9}, /* XGI_LVDS1024x768Data_2x75 */ - {Panel1280x1024x75, 0x0018, 0x0000, 10}, /* XGI_LVDS1280x1024Data_1x75*/ - {Panel1280x1024x75, 0x0018, 0x0010, 11}, /*XGI_LVDS1280x1024Data_2x75*/ + {Panel_1024x768x75, 0x0018, 0x0000, 8}, /* XGI_LVDS1024x768Data_1x75 */ + {Panel_1024x768x75, 0x0018, 0x0010, 9}, /* XGI_LVDS1024x768Data_2x75 */ + {Panel_1280x1024x75, 0x0018, 0x0000, 10}, /* XGI_LVDS1280x1024Data_1x75*/ + {Panel_1280x1024x75, 0x0018, 0x0010, 11}, /*XGI_LVDS1280x1024Data_2x75*/ {PanelRef75Hz, 0x0008, 0x0008, 12}, /* XGI_LVDSNoScalingDatax75 */ {0xFF, 0x0000, 0x0000, 0} }; static struct XGI330_LCDDataTablStruct XGI_EPLLCDDesDataPtr[] = { - {Panel1024x768, 0x0018, 0x0000, 0}, /* XGI_LVDS1024x768Des_1 */ - {Panel1024x768, 0x0618, 0x0410, 1}, /* XGI_LVDS1024x768Des_3 */ - {Panel1024x768, 0x0018, 0x0010, 2}, /* XGI_LVDS1024x768Des_2 */ - {Panel1280x1024, 0x0018, 0x0000, 3}, /* XGI_LVDS1280x1024Des_1 */ - {Panel1280x1024, 0x0018, 0x0010, 4}, /* XGI_LVDS1280x1024Des_2 */ - {Panel1400x1050, 0x0018, 0x0000, 5}, /* XGI_LVDS1400x1050Des_1 */ - {Panel1400x1050, 0x0018, 0x0010, 6}, /* XGI_LVDS1400x1050Des_2 */ - {Panel1600x1200, 0x0018, 0x0000, 7}, /* XGI_LVDS1600x1200Des_1 */ + {Panel_1024x768, 0x0018, 0x0000, 0}, /* XGI_LVDS1024x768Des_1 */ + {Panel_1024x768, 0x0618, 0x0410, 1}, /* XGI_LVDS1024x768Des_3 */ + {Panel_1024x768, 0x0018, 0x0010, 2}, /* XGI_LVDS1024x768Des_2 */ + {Panel_1280x1024, 0x0018, 0x0000, 3}, /* XGI_LVDS1280x1024Des_1 */ + {Panel_1280x1024, 0x0018, 0x0010, 4}, /* XGI_LVDS1280x1024Des_2 */ + {Panel_1400x1050, 0x0018, 0x0000, 5}, /* XGI_LVDS1400x1050Des_1 */ + {Panel_1400x1050, 0x0018, 0x0010, 6}, /* XGI_LVDS1400x1050Des_2 */ + {Panel_1600x1200, 0x0018, 0x0000, 7}, /* XGI_LVDS1600x1200Des_1 */ {PanelRef60Hz, 0x0008, 0x0008, 8}, /* XGI_LVDSNoScalingDesData */ - {Panel1024x768x75, 0x0018, 0x0000, 9}, /* XGI_LVDS1024x768Des_1x75 */ - {Panel1024x768x75, 0x0618, 0x0410, 10}, /* XGI_LVDS1024x768Des_3x75 */ - {Panel1024x768x75, 0x0018, 0x0010, 11}, /* XGI_LVDS1024x768Des_2x75 */ - {Panel1280x1024x75, 0x0018, 0x0000, 12}, /* XGI_LVDS1280x1024Des_1x75 */ - {Panel1280x1024x75, 0x0018, 0x0010, 13}, /* XGI_LVDS1280x1024Des_2x75 */ + {Panel_1024x768x75, 0x0018, 0x0000, 9}, /* XGI_LVDS1024x768Des_1x75 */ + {Panel_1024x768x75, 0x0618, 0x0410, 10}, /* XGI_LVDS1024x768Des_3x75 */ + {Panel_1024x768x75, 0x0018, 0x0010, 11}, /* XGI_LVDS1024x768Des_2x75 */ + {Panel_1280x1024x75, 0x0018, 0x0000, 12}, /* XGI_LVDS1280x1024Des_1x75 */ + {Panel_1280x1024x75, 0x0018, 0x0010, 13}, /* XGI_LVDS1280x1024Des_2x75 */ {PanelRef75Hz, 0x0008, 0x0008, 14}, /* XGI_LVDSNoScalingDesDatax75 */ {0xFF, 0x0000, 0x0000, 0} }; static struct XGI330_LCDDataTablStruct XGI_EPLCHLCDRegPtr[] = { - {Panel1024x768, 0x0000, 0x0000, 0}, /* XGI_CH7017LV1024x768 */ - {Panel1400x1050, 0x0000, 0x0000, 1}, /* XGI_CH7017LV1400x1050 */ + {Panel_1024x768, 0x0000, 0x0000, 0}, /* XGI_CH7017LV1024x768 */ + {Panel_1400x1050, 0x0000, 0x0000, 1}, /* XGI_CH7017LV1400x1050 */ {0xFF, 0x0000, 0x0000, 0} }; @@ -2501,225 +2501,225 @@ static unsigned short LCDLenList[] = { /* Dual link only */ static struct XGI330_LCDCapStruct XGI_LCDDLCapList[] = { /* LCDCap1024x768 */ - {Panel1024x768, DefaultLCDCap, 0, 0x012, 0x88, 0x06, VCLK65, + {Panel_1024x768, DefaultLCDCap, 0, 0x012, 0x88, 0x06, VCLK65_315, 0x6C, 0xC3, 0x35, 0x62, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x28, 0x10}, /* LCDCap1280x1024 */ - {Panel1280x1024, LCDDualLink+DefaultLCDCap, StLCDBToA, - 0x012, 0x70, 0x03, VCLK108_2, + {Panel_1280x1024, XGI_LCDDualLink+DefaultLCDCap, StLCDBToA, + 0x012, 0x70, 0x03, VCLK108_2_315, 0x70, 0x44, 0xF8, 0x2F, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x30, 0x10}, /* LCDCap1400x1050 */ - {Panel1400x1050, LCDDualLink+DefaultLCDCap, StLCDBToA, - 0x012, 0x70, 0x03, VCLK108_2, + {Panel_1400x1050, XGI_LCDDualLink+DefaultLCDCap, StLCDBToA, + 0x012, 0x70, 0x03, VCLK108_2_315, 0x70, 0x44, 0xF8, 0x2F, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x30, 0x10}, /* LCDCap1600x1200 */ - {Panel1600x1200, LCDDualLink+DefaultLCDCap, LCDToFull, + {Panel_1600x1200, XGI_LCDDualLink+DefaultLCDCap, LCDToFull, 0x012, 0xC0, 0x03, VCLK162, 0x43, 0x22, 0x70, 0x24, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x30, 0x10}, /* LCDCap1024x768x75 */ - {Panel1024x768x75, DefaultLCDCap, 0, 0x012, 0x60, 0, VCLK78_75, + {Panel_1024x768x75, DefaultLCDCap, 0, 0x012, 0x60, 0, VCLK78_75, 0x2B, 0x61, 0x2B, 0x61, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x28, 0x10}, /* LCDCap1280x1024x75 */ - {Panel1280x1024x75, LCDDualLink+DefaultLCDCap, StLCDBToA, + {Panel_1280x1024x75, XGI_LCDDualLink+DefaultLCDCap, StLCDBToA, 0x012, 0x90, 0x03, VCLK135_5, 0x54, 0x42, 0x4A, 0x61, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x30, 0x10}, /* LCDCapDefault */ - {0xFF, DefaultLCDCap, 0, 0x012, 0x88, 0x06, VCLK65, + {0xFF, DefaultLCDCap, 0, 0x012, 0x88, 0x06, VCLK65_315, 0x6C, 0xC3, 0x35, 0x62, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x28, 0x10} }; static struct XGI330_LCDCapStruct XGI_LCDCapList[] = { /* LCDCap1024x768 */ - {Panel1024x768, DefaultLCDCap, 0, 0x012, 0x88, 0x06, VCLK65, + {Panel_1024x768, DefaultLCDCap, 0, 0x012, 0x88, 0x06, VCLK65_315, 0x6C, 0xC3, 0x35, 0x62, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x28, 0x10}, /* LCDCap1280x1024 */ - {Panel1280x1024, DefaultLCDCap, StLCDBToA, - 0x012, 0x70, 0x03, VCLK108_2, + {Panel_1280x1024, DefaultLCDCap, StLCDBToA, + 0x012, 0x70, 0x03, VCLK108_2_315, 0x70, 0x44, 0xF8, 0x2F, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x30, 0x10}, /* LCDCap1400x1050 */ - {Panel1400x1050, DefaultLCDCap, StLCDBToA, - 0x012, 0x70, 0x03, VCLK108_2, + {Panel_1400x1050, DefaultLCDCap, StLCDBToA, + 0x012, 0x70, 0x03, VCLK108_2_315, 0x70, 0x44, 0xF8, 0x2F, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x30, 0x10}, /* LCDCap1600x1200 */ - {Panel1600x1200, DefaultLCDCap, LCDToFull, + {Panel_1600x1200, DefaultLCDCap, LCDToFull, 0x012, 0xC0, 0x03, VCLK162, 0x5A, 0x23, 0x5A, 0x23, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x30, 0x10}, /* LCDCap1024x768x75 */ - {Panel1024x768x75, DefaultLCDCap, 0, 0x012, 0x60, 0, VCLK78_75, + {Panel_1024x768x75, DefaultLCDCap, 0, 0x012, 0x60, 0, VCLK78_75, 0x2B, 0x61, 0x2B, 0x61, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x28, 0x10}, /* LCDCap1280x1024x75 */ - {Panel1280x1024x75, DefaultLCDCap, StLCDBToA, + {Panel_1280x1024x75, DefaultLCDCap, StLCDBToA, 0x012, 0x90, 0x03, VCLK135_5, 0x54, 0x42, 0x4A, 0x61, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x30, 0x10}, /* LCDCapDefault */ - {0xFF, DefaultLCDCap, 0, 0x012, 0x88, 0x06, VCLK65, + {0xFF, DefaultLCDCap, 0, 0x012, 0x88, 0x06, VCLK65_315, 0x6C, 0xC3, 0x35, 0x62, 0x02, 0x14, 0x0A, 0x02, 0x00, 0x30, 0x10, 0x5A, 0x10, 0x10, 0x0A, 0xC0, 0x28, 0x10} }; static struct XGI_Ext2Struct XGI330_RefIndex[] = { - {Support32Bpp + SupportAllCRT2 + SyncPN, RES320x200, VCLK25_175, + {Mode32Bpp + SupportAllCRT2 + SyncPN, RES320x200, VCLK25_175, 0x00, 0x10, 0x59, 320, 200},/* 00 */ - {Support32Bpp + SupportAllCRT2 + SyncPN, RES320x200, VCLK25_175, + {Mode32Bpp + SupportAllCRT2 + SyncPN, RES320x200, VCLK25_175, 0x00, 0x10, 0x00, 320, 400},/* 01 */ - {Support32Bpp + SupportAllCRT2 + SyncNN, RES320x240, VCLK25_175, + {Mode32Bpp + SupportAllCRT2 + SyncNN, RES320x240, VCLK25_175, 0x04, 0x20, 0x50, 320, 240},/* 02 */ - {Support32Bpp + SupportAllCRT2 + SyncPP, RES400x300, VCLK40, + {Mode32Bpp + SupportAllCRT2 + SyncPP, RES400x300, VCLK40, 0x05, 0x32, 0x51, 400, 300},/* 03 */ - {Support32Bpp + NoSupportTV + SyncNN + SupportTV1024, RES512x384, - VCLK65, 0x06, 0x43, 0x52, 512, 384},/* 04 */ - {Support32Bpp + SupportAllCRT2 + SyncPN, RES640x400, VCLK25_175, + {Mode32Bpp + NoSupportTV + SyncNN + SupportTV1024, RES512x384, + VCLK65_315, 0x06, 0x43, 0x52, 512, 384},/* 04 */ + {Mode32Bpp + SupportAllCRT2 + SyncPN, RES640x400, VCLK25_175, 0x00, 0x14, 0x2f, 640, 400},/* 05 */ - {Support32Bpp + SupportAllCRT2 + SyncNN, RES640x480x60, VCLK25_175, + {Mode32Bpp + SupportAllCRT2 + SyncNN, RES640x480x60, VCLK25_175, 0x04, 0x24, 0x2e, 640, 480},/* 06 640x480x60Hz (LCD 640x480x60z) */ - {Support32Bpp + NoSupportHiVisionTV + SyncNN, RES640x480x72, VCLK31_5, + {Mode32Bpp + NoSupportHiVisionTV + SyncNN, RES640x480x72, VCLK31_5, 0x04, 0x24, 0x2e, 640, 480},/* 07 640x480x72Hz (LCD 640x480x70Hz) */ - {Support32Bpp + NoSupportHiVisionTV + SyncNN, RES640x480x75, VCLK31_5, + {Mode32Bpp + NoSupportHiVisionTV + SyncNN, RES640x480x75, VCLK31_5, 0x47, 0x24, 0x2e, 640, 480},/* 08 640x480x75Hz (LCD 640x480x75Hz) */ - {Support32Bpp + SupportRAMDAC2 + SyncNN, RES640x480x85, VCLK36, + {Mode32Bpp + SupportRAMDAC2 + SyncNN, RES640x480x85, VCLK36, 0x8A, 0x24, 0x2e, 640, 480},/* 09 640x480x85Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPN, RES640x480x100, VCLK43_163, + {Mode32Bpp + SupportRAMDAC2 + SyncPN, RES640x480x100, VCLK43_163, 0x00, 0x24, 0x2e, 640, 480},/* 0a 640x480x100Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPN, RES640x480x120, VCLK52_406, + {Mode32Bpp + SupportRAMDAC2 + SyncPN, RES640x480x120, VCLK52_406, 0x00, 0x24, 0x2e, 640, 480},/* 0b 640x480x120Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPN, RES640x480x160, VCLK72_852, + {Mode32Bpp + SupportRAMDAC2 + SyncPN, RES640x480x160, VCLK72_852, 0x00, 0x24, 0x2e, 640, 480},/* 0c 640x480x160Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncNN, RES640x480x200, VCLK86_6, + {Mode32Bpp + SupportRAMDAC2 + SyncNN, RES640x480x200, VCLK86_6, 0x00, 0x24, 0x2e, 640, 480},/* 0d 640x480x200Hz */ - {Support32Bpp + NoSupportLCD + SyncPP, RES800x600x56, VCLK36, + {Mode32Bpp + NoSupportLCD + SyncPP, RES800x600x56, VCLK36, 0x05, 0x36, 0x6a, 800, 600},/* 0e 800x600x56Hz */ - {Support32Bpp + NoSupportTV + SyncPP, RES800x600x60, VCLK40, + {Mode32Bpp + NoSupportTV + SyncPP, RES800x600x60, VCLK40, 0x05, 0x36, 0x6a, 800, 600},/* 0f 800x600x60Hz (LCD 800x600x60Hz) */ - {Support32Bpp + NoSupportHiVisionTV + SyncPP, RES800x600x72, VCLK50, + {Mode32Bpp + NoSupportHiVisionTV + SyncPP, RES800x600x72, VCLK50, 0x48, 0x36, 0x6a, 800, 600},/* 10 800x600x72Hz (LCD 800x600x70Hz) */ - {Support32Bpp + NoSupportHiVisionTV + SyncPP, RES800x600x75, VCLK49_5, + {Mode32Bpp + NoSupportHiVisionTV + SyncPP, RES800x600x75, VCLK49_5, 0x8B, 0x36, 0x6a, 800, 600},/* 11 800x600x75Hz (LCD 800x600x75Hz) */ - {Support32Bpp + SupportRAMDAC2 + SyncPP, RES800x600x85, VCLK56_25, + {Mode32Bpp + SupportRAMDAC2 + SyncPP, RES800x600x85, VCLK56_25, 0x00, 0x36, 0x6a, 800, 600},/* 12 800x600x85Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPN, RES800x600x100, VCLK68_179, + {Mode32Bpp + SupportRAMDAC2 + SyncPN, RES800x600x100, VCLK68_179, 0x00, 0x36, 0x6a, 800, 600},/* 13 800x600x100Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPN, RES800x600x120, VCLK83_95, + {Mode32Bpp + SupportRAMDAC2 + SyncPN, RES800x600x120, VCLK83_95, 0x00, 0x36, 0x6a, 800, 600},/* 14 800x600x120Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPN, RES800x600x160, VCLK116_406, + {Mode32Bpp + SupportRAMDAC2 + SyncPN, RES800x600x160, VCLK116_406, 0x00, 0x36, 0x6a, 800, 600},/* 15 800x600x160Hz */ - {Support32Bpp + InterlaceMode + SyncPP, RES1024x768x43, VCLK44_9, + {Mode32Bpp + InterlaceMode + SyncPP, RES1024x768x43, VCLK44_9, 0x00, 0x47, 0x37, 1024, 768},/* 16 1024x768x43Hz */ /* 17 1024x768x60Hz (LCD 1024x768x60Hz) */ - {Support32Bpp + NoSupportTV + SyncNN + SupportTV1024, RES1024x768x60, - VCLK65, 0x06, 0x47, 0x37, 1024, 768}, - {Support32Bpp + NoSupportHiVisionTV + SyncNN, RES1024x768x70, VCLK75, + {Mode32Bpp + NoSupportTV + SyncNN + SupportTV1024, RES1024x768x60, + VCLK65_315, 0x06, 0x47, 0x37, 1024, 768}, + {Mode32Bpp + NoSupportHiVisionTV + SyncNN, RES1024x768x70, VCLK75, 0x49, 0x47, 0x37, 1024, 768},/* 18 1024x768x70Hz (LCD 1024x768x70Hz) */ - {Support32Bpp + NoSupportHiVisionTV + SyncPP, RES1024x768x75, VCLK78_75, + {Mode32Bpp + NoSupportHiVisionTV + SyncPP, RES1024x768x75, VCLK78_75, 0x00, 0x47, 0x37, 1024, 768},/* 19 1024x768x75Hz (LCD 1024x768x75Hz) */ - {Support32Bpp + SupportRAMDAC2 + SyncPP, RES1024x768x85, VCLK94_5, + {Mode32Bpp + SupportRAMDAC2 + SyncPP, RES1024x768x85, VCLK94_5, 0x8C, 0x47, 0x37, 1024, 768},/* 1a 1024x768x85Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPN, RES1024x768x100, VCLK113_309, + {Mode32Bpp + SupportRAMDAC2 + SyncPN, RES1024x768x100, VCLK113_309, 0x00, 0x47, 0x37, 1024, 768},/* 1b 1024x768x100Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPN, RES1024x768x120, VCLK139_054, + {Mode32Bpp + SupportRAMDAC2 + SyncPN, RES1024x768x120, VCLK139_054, 0x00, 0x47, 0x37, 1024, 768},/* 1c 1024x768x120Hz */ - {Support32Bpp + SupportLCD + SyncPP, RES1280x960x60, VCLK108_2, + {Mode32Bpp + SupportLCD + SyncPP, RES1280x960x60, VCLK108_2_315, 0x08, 0x58, 0x7b, 1280, 960},/* 1d 1280x960x60Hz */ - {Support32Bpp + InterlaceMode + SyncPP, RES1280x1024x43, VCLK78_75, + {Mode32Bpp + InterlaceMode + SyncPP, RES1280x1024x43, VCLK78_75, 0x00, 0x58, 0x3a, 1280, 1024},/* 1e 1280x1024x43Hz */ - {Support32Bpp + NoSupportTV + SyncPP, RES1280x1024x60, VCLK108_2, + {Mode32Bpp + NoSupportTV + SyncPP, RES1280x1024x60, VCLK108_2_315, 0x07, 0x58, 0x3a, 1280, 1024},/*1f 1280x1024x60Hz (LCD 1280x1024x60Hz)*/ - {Support32Bpp + NoSupportTV + SyncPP, RES1280x1024x75, VCLK135_5, + {Mode32Bpp + NoSupportTV + SyncPP, RES1280x1024x75, VCLK135_5, 0x00, 0x58, 0x3a, 1280, 1024},/*20 1280x1024x75Hz (LCD 1280x1024x75Hz)*/ - {Support32Bpp + SyncPP, RES1280x1024x85, VCLK157_5, + {Mode32Bpp + SyncPP, RES1280x1024x85, VCLK157_5, 0x00, 0x58, 0x3a, 1280, 1024},/* 21 1280x1024x85Hz */ /* 22 1600x1200x60Hz */ - {Support32Bpp + SupportLCD + SyncPP + SupportCRT2in301C, + {Mode32Bpp + SupportLCD + SyncPP + SupportCRT2in301C, RES1600x1200x60, VCLK162, 0x09, 0x7A, 0x3c, 1600, 1200}, - {Support32Bpp + SyncPP + SupportCRT2in301C, RES1600x1200x65, VCLK175, + {Mode32Bpp + SyncPP + SupportCRT2in301C, RES1600x1200x65, VCLK175, 0x00, 0x69, 0x3c, 1600, 1200},/* 23 1600x1200x65Hz */ - {Support32Bpp + SyncPP + SupportCRT2in301C, RES1600x1200x70, VCLK189, + {Mode32Bpp + SyncPP + SupportCRT2in301C, RES1600x1200x70, VCLK189, 0x00, 0x69, 0x3c, 1600, 1200},/* 24 1600x1200x70Hz */ - {Support32Bpp + SyncPP + SupportCRT2in301C, RES1600x1200x75, VCLK202_5, + {Mode32Bpp + SyncPP + SupportCRT2in301C, RES1600x1200x75, VCLK202_5, 0x00, 0x69, 0x3c, 1600, 1200},/* 25 1600x1200x75Hz */ - {Support32Bpp + SyncPP, RES1600x1200x85, VCLK229_5, + {Mode32Bpp + SyncPP, RES1600x1200x85, VCLK229_5, 0x00, 0x69, 0x3c, 1600, 1200},/* 26 1600x1200x85Hz */ - {Support32Bpp + SyncPP, RES1600x1200x100, VCLK269_655, + {Mode32Bpp + SyncPP, RES1600x1200x100, VCLK269_655, 0x00, 0x69, 0x3c, 1600, 1200},/* 27 1600x1200x100Hz */ - {Support32Bpp + SyncPP, RES1600x1200x120, VCLK323_586, + {Mode32Bpp + SyncPP, RES1600x1200x120, VCLK323_586, 0x00, 0x69, 0x3c, 1600, 1200},/* 28 1600x1200x120Hz */ - {Support32Bpp + SupportLCD + SyncNP, RES1920x1440x60, VCLK234, + {Mode32Bpp + SupportLCD + SyncNP, RES1920x1440x60, VCLK234, 0x00, 0x00, 0x68, 1920, 1440},/* 29 1920x1440x60Hz */ - {Support32Bpp + SyncPN, RES1920x1440x65, VCLK254_817, + {Mode32Bpp + SyncPN, RES1920x1440x65, VCLK254_817, 0x00, 0x00, 0x68, 1920, 1440},/* 2a 1920x1440x65Hz */ - {Support32Bpp + SyncPN, RES1920x1440x70, VCLK277_015, + {Mode32Bpp + SyncPN, RES1920x1440x70, VCLK277_015, 0x00, 0x00, 0x68, 1920, 1440},/* 2b 1920x1440x70Hz */ - {Support32Bpp + SyncPN, RES1920x1440x75, VCLK291_132, + {Mode32Bpp + SyncPN, RES1920x1440x75, VCLK291_132, 0x00, 0x00, 0x68, 1920, 1440},/* 2c 1920x1440x75Hz */ - {Support32Bpp + SyncPN, RES1920x1440x85, VCLK330_615, + {Mode32Bpp + SyncPN, RES1920x1440x85, VCLK330_615, 0x00, 0x00, 0x68, 1920, 1440},/* 2d 1920x1440x85Hz */ - {Support16Bpp + SyncPN, RES1920x1440x100, VCLK388_631, + {Mode16Bpp + SyncPN, RES1920x1440x100, VCLK388_631, 0x00, 0x00, 0x68, 1920, 1440},/* 2e 1920x1440x100Hz */ - {Support32Bpp + SupportLCD + SyncPN, RES2048x1536x60, VCLK266_952, + {Mode32Bpp + SupportLCD + SyncPN, RES2048x1536x60, VCLK266_952, 0x00, 0x00, 0x6c, 2048, 1536},/* 2f 2048x1536x60Hz */ - {Support32Bpp + SyncPN, RES2048x1536x65, VCLK291_766, + {Mode32Bpp + SyncPN, RES2048x1536x65, VCLK291_766, 0x00, 0x00, 0x6c, 2048, 1536},/* 30 2048x1536x65Hz */ - {Support32Bpp + SyncPN, RES2048x1536x70, VCLK315_195, + {Mode32Bpp + SyncPN, RES2048x1536x70, VCLK315_195, 0x00, 0x00, 0x6c, 2048, 1536},/* 31 2048x1536x70Hz */ - {Support32Bpp + SyncPN, RES2048x1536x75, VCLK340_477, + {Mode32Bpp + SyncPN, RES2048x1536x75, VCLK340_477, 0x00, 0x00, 0x6c, 2048, 1536},/* 32 2048x1536x75Hz */ - {Support16Bpp + SyncPN, RES2048x1536x85, VCLK375_847, + {Mode16Bpp + SyncPN, RES2048x1536x85, VCLK375_847, 0x00, 0x00, 0x6c, 2048, 1536},/* 33 2048x1536x85Hz */ - {Support32Bpp + SupportHiVisionTV + SupportRAMDAC2 + - SyncPP + SupportYPbPr, RES800x480x60, VCLK39_77, + {Mode32Bpp + SupportHiVision + SupportRAMDAC2 + + SyncPP + SupportYPbPr750p, RES800x480x60, VCLK39_77, 0x08, 0x00, 0x70, 800, 480},/* 34 800x480x60Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPP, RES800x480x75, VCLK49_5, + {Mode32Bpp + SupportRAMDAC2 + SyncPP, RES800x480x75, VCLK49_5, 0x08, 0x00, 0x70, 800, 480},/* 35 800x480x75Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPP, RES800x480x85, VCLK56_25, + {Mode32Bpp + SupportRAMDAC2 + SyncPP, RES800x480x85, VCLK56_25, 0x08, 0x00, 0x70, 800, 480},/* 36 800x480x85Hz */ - {Support32Bpp + SupportHiVisionTV + SupportRAMDAC2 + - SyncPP + SupportYPbPr, RES1024x576x60, VCLK65, + {Mode32Bpp + SupportHiVision + SupportRAMDAC2 + + SyncPP + SupportYPbPr750p, RES1024x576x60, VCLK65_315, 0x09, 0x00, 0x71, 1024, 576},/* 37 1024x576x60Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPP, RES1024x576x75, VCLK78_75, + {Mode32Bpp + SupportRAMDAC2 + SyncPP, RES1024x576x75, VCLK78_75, 0x09, 0x00, 0x71, 1024, 576},/* 38 1024x576x75Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPP, RES1024x576x85, VCLK94_5, + {Mode32Bpp + SupportRAMDAC2 + SyncPP, RES1024x576x85, VCLK94_5, 0x09, 0x00, 0x71, 1024, 576},/* 39 1024x576x85Hz */ - {Support32Bpp + SupportHiVisionTV + SupportRAMDAC2 + - SyncPP + SupportYPbPr, RES1280x720x60, VCLK108_2, + {Mode32Bpp + SupportHiVision + SupportRAMDAC2 + + SyncPP + SupportYPbPr750p, RES1280x720x60, VCLK108_2_315, 0x0A, 0x00, 0x75, 1280, 720},/* 3a 1280x720x60Hz*/ - {Support32Bpp + SupportRAMDAC2 + SyncPP, RES1280x720x75, VCLK135_5, + {Mode32Bpp + SupportRAMDAC2 + SyncPP, RES1280x720x75, VCLK135_5, 0x0A, 0x00, 0x75, 1280, 720},/* 3b 1280x720x75Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPP, RES1280x720x85, VCLK157_5, + {Mode32Bpp + SupportRAMDAC2 + SyncPP, RES1280x720x85, VCLK157_5, 0x0A, 0x00, 0x75, 1280, 720},/* 3c 1280x720x85Hz */ - {Support32Bpp + SupportTV + SyncNN, RES720x480x60, VCLK28_322, + {Mode32Bpp + SupportTV + SyncNN, RES720x480x60, VCLK28_322, 0x06, 0x00, 0x31, 720, 480},/* 3d 720x480x60Hz */ - {Support32Bpp + SupportTV + SyncPP, RES720x576x56, VCLK36, + {Mode32Bpp + SupportTV + SyncPP, RES720x576x56, VCLK36, 0x06, 0x00, 0x32, 720, 576},/* 3e 720x576x56Hz */ - {Support32Bpp + InterlaceMode + NoSupportLCD + SyncPP, RES856x480x79I, + {Mode32Bpp + InterlaceMode + NoSupportLCD + SyncPP, RES856x480x79I, VCLK35_2, 0x00, 0x00, 0x00, 856, 480},/* 3f 856x480x79I */ - {Support32Bpp + NoSupportLCD + SyncNN, RES856x480x60, VCLK35_2, + {Mode32Bpp + NoSupportLCD + SyncNN, RES856x480x60, VCLK35_2, 0x00, 0x00, 0x00, 856, 480},/* 40 856x480x60Hz */ - {Support32Bpp + NoSupportHiVisionTV + SyncPP, RES1280x768x60, + {Mode32Bpp + NoSupportHiVisionTV + SyncPP, RES1280x768x60, VCLK79_411, 0x08, 0x48, 0x23, 1280, 768},/* 41 1280x768x60Hz */ - {Support32Bpp + NoSupportHiVisionTV + SyncPP, RES1400x1050x60, + {Mode32Bpp + NoSupportHiVisionTV + SyncPP, RES1400x1050x60, VCLK122_61, 0x08, 0x69, 0x26, 1400, 1050},/* 42 1400x1050x60Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPP, RES1152x864x60, VCLK80_350, + {Mode32Bpp + SupportRAMDAC2 + SyncPP, RES1152x864x60, VCLK80_350, 0x37, 0x00, 0x20, 1152, 864},/* 43 1152x864x60Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPP, RES1152x864x75, VCLK107_385, + {Mode32Bpp + SupportRAMDAC2 + SyncPP, RES1152x864x75, VCLK107_385, 0x37, 0x00, 0x20, 1152, 864},/* 44 1152x864x75Hz */ - {Support32Bpp + SupportLCD + SupportRAMDAC2 + SyncPP, RES1280x960x75, + {Mode32Bpp + SupportLCD + SupportRAMDAC2 + SyncPP, RES1280x960x75, VCLK125_999, 0x3A, 0x88, 0x7b, 1280, 960},/* 45 1280x960x75Hz */ - {Support32Bpp + SupportLCD + SupportRAMDAC2 + SyncPP, RES1280x960x85, + {Mode32Bpp + SupportLCD + SupportRAMDAC2 + SyncPP, RES1280x960x85, VCLK148_5, 0x0A, 0x88, 0x7b, 1280, 960},/* 46 1280x960x85Hz */ - {Support32Bpp + SupportLCD + SupportRAMDAC2 + SyncPP, RES1280x960x120, + {Mode32Bpp + SupportLCD + SupportRAMDAC2 + SyncPP, RES1280x960x120, VCLK217_325, 0x3A, 0x88, 0x7b, 1280, 960},/* 47 1280x960x120Hz */ - {Support32Bpp + SupportRAMDAC2 + SyncPN, RES1024x768x160, VCLK139_054, + {Mode32Bpp + SupportRAMDAC2 + SyncPN, RES1024x768x160, VCLK139_054, 0x30, 0x47, 0x37, 1024, 768},/* 48 1024x768x160Hz */ }; @@ -2729,7 +2729,7 @@ static unsigned char XGI330_ScreenOffset[] = { 0x57, 0x48 }; -static struct XGI_StResInfoStruct XGI330_StResInfo[] = { +static struct SiS_StResInfo_S XGI330_StResInfo[] = { {640, 400}, {640, 350}, {720, 400}, @@ -2737,7 +2737,7 @@ static struct XGI_StResInfoStruct XGI330_StResInfo[] = { {640, 480} }; -static struct XGI_ModeResInfoStruct XGI330_ModeResInfo[] = { +static struct SiS_ModeResInfo_S XGI330_ModeResInfo[] = { { 320, 200, 8, 8}, { 320, 240, 8, 8}, { 320, 400, 8, 8}, diff --git a/drivers/staging/xgifb/vgatypes.h b/drivers/staging/xgifb/vgatypes.h index 9e166bbb00c..a7208e31581 100644 --- a/drivers/staging/xgifb/vgatypes.h +++ b/drivers/staging/xgifb/vgatypes.h @@ -2,6 +2,9 @@ #define _VGATYPES_ #include <linux/ioctl.h> +#include <linux/fb.h> /* for struct fb_var_screeninfo for sis.h */ +#include "../../video/sis/vgatypes.h" +#include "../../video/sis/sis.h" /* for LCD_TYPE */ #ifndef XGI_VB_CHIP_TYPE enum XGI_VB_CHIP_TYPE { @@ -19,6 +22,12 @@ enum XGI_VB_CHIP_TYPE { }; #endif + +#define XGI_LCD_TYPE +/* Since the merge with video/sis the LCD_TYPEs are used from + drivers/video/sis/sis.h . Nevertheless we keep this (for the moment) for + future reference until the code is merged completely and we are sure + nothing of this should be added to the sis.h header */ #ifndef XGI_LCD_TYPE enum XGI_LCD_TYPE { LCD_INVALID = 0, diff --git a/drivers/staging/zcache/Kconfig b/drivers/staging/zcache/Kconfig index 7fabcb2bc80..3ed2c8f656a 100644 --- a/drivers/staging/zcache/Kconfig +++ b/drivers/staging/zcache/Kconfig @@ -1,13 +1,14 @@ config ZCACHE - tristate "Dynamic compression of swap pages and clean pagecache pages" - depends on CLEANCACHE || FRONTSWAP - select XVMALLOC - select LZO_COMPRESS - select LZO_DECOMPRESS + bool "Dynamic compression of swap pages and clean pagecache pages" + # X86 dependency is because zsmalloc uses non-portable pte/tlb + # functions + depends on (CLEANCACHE || FRONTSWAP) && CRYPTO && X86 + select ZSMALLOC + select CRYPTO_LZO default n help Zcache doubles RAM efficiency while providing a significant - performance boosts on many workloads. Zcache uses lzo1x + performance boosts on many workloads. Zcache uses compression and an in-kernel implementation of transcendent memory to store clean page cache pages and swap in RAM, providing a noticeable reduction in disk I/O. diff --git a/drivers/staging/zcache/tmem.h b/drivers/staging/zcache/tmem.h index ed147c4b110..0d4aa82706b 100644 --- a/drivers/staging/zcache/tmem.h +++ b/drivers/staging/zcache/tmem.h @@ -47,7 +47,7 @@ #define ASSERT_INVERTED_SENTINEL(_x, _y) do { } while (0) #endif -#define ASSERT_SPINLOCK(_l) WARN_ON(!spin_is_locked(_l)) +#define ASSERT_SPINLOCK(_l) lockdep_assert_held(_l) /* * A pool is the highest-level data structure managed by tmem and diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c index ef7c52bb1df..70734652f72 100644 --- a/drivers/staging/zcache/zcache-main.c +++ b/drivers/staging/zcache/zcache-main.c @@ -6,9 +6,10 @@ * * Zcache provides an in-kernel "host implementation" for transcendent memory * and, thus indirectly, for cleancache and frontswap. Zcache includes two - * page-accessible memory [1] interfaces, both utilizing lzo1x compression: + * page-accessible memory [1] interfaces, both utilizing the crypto compression + * API: * 1) "compression buddies" ("zbud") is used for ephemeral pages - * 2) xvmalloc is used for persistent pages. + * 2) zsmalloc is used for persistent pages. * Xvmalloc (based on the TLSF allocator) has very low fragmentation * so maximizes space efficiency, while zbud allows pairs (and potentially, * in the future, more than a pair of) compressed pages to be closely linked @@ -23,15 +24,16 @@ #include <linux/cpu.h> #include <linux/highmem.h> #include <linux/list.h> -#include <linux/lzo.h> #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/types.h> #include <linux/atomic.h> #include <linux/math64.h> +#include <linux/crypto.h> +#include <linux/string.h> #include "tmem.h" -#include "../zram/xvmalloc.h" /* if built in drivers/staging */ +#include "../zsmalloc/zsmalloc.h" #if (!defined(CONFIG_CLEANCACHE) && !defined(CONFIG_FRONTSWAP)) #error "zcache is useless without CONFIG_CLEANCACHE or CONFIG_FRONTSWAP" @@ -60,7 +62,7 @@ MODULE_LICENSE("GPL"); struct zcache_client { struct tmem_pool *tmem_pools[MAX_POOLS_PER_CLIENT]; - struct xv_pool *xvpool; + struct zs_pool *zspool; bool allocated; atomic_t refcount; }; @@ -81,6 +83,38 @@ static inline bool is_local_client(struct zcache_client *cli) return cli == &zcache_host; } +/* crypto API for zcache */ +#define ZCACHE_COMP_NAME_SZ CRYPTO_MAX_ALG_NAME +static char zcache_comp_name[ZCACHE_COMP_NAME_SZ]; +static struct crypto_comp * __percpu *zcache_comp_pcpu_tfms; + +enum comp_op { + ZCACHE_COMPOP_COMPRESS, + ZCACHE_COMPOP_DECOMPRESS +}; + +static inline int zcache_comp_op(enum comp_op op, + const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen) +{ + struct crypto_comp *tfm; + int ret; + + BUG_ON(!zcache_comp_pcpu_tfms); + tfm = *per_cpu_ptr(zcache_comp_pcpu_tfms, get_cpu()); + BUG_ON(!tfm); + switch (op) { + case ZCACHE_COMPOP_COMPRESS: + ret = crypto_comp_compress(tfm, src, slen, dst, dlen); + break; + case ZCACHE_COMPOP_DECOMPRESS: + ret = crypto_comp_decompress(tfm, src, slen, dst, dlen); + break; + } + put_cpu(); + return ret; +} + /********** * Compression buddies ("zbud") provides for packing two (or, possibly * in the future, more) compressed ephemeral pages into a single "raw" @@ -299,10 +333,12 @@ static void zbud_free_and_delist(struct zbud_hdr *zh) struct zbud_page *zbpg = container_of(zh, struct zbud_page, buddy[budnum]); + spin_lock(&zbud_budlists_spinlock); spin_lock(&zbpg->lock); if (list_empty(&zbpg->bud_list)) { /* ignore zombie page... see zbud_evict_pages() */ spin_unlock(&zbpg->lock); + spin_unlock(&zbud_budlists_spinlock); return; } size = zbud_free(zh); @@ -310,7 +346,6 @@ static void zbud_free_and_delist(struct zbud_hdr *zh) zh_other = &zbpg->buddy[(budnum == 0) ? 1 : 0]; if (zh_other->size == 0) { /* was unbuddied: unlist and free */ chunks = zbud_size_to_chunks(size) ; - spin_lock(&zbud_budlists_spinlock); BUG_ON(list_empty(&zbud_unbuddied[chunks].list)); list_del_init(&zbpg->bud_list); zbud_unbuddied[chunks].count--; @@ -318,7 +353,6 @@ static void zbud_free_and_delist(struct zbud_hdr *zh) zbud_free_raw_page(zbpg); } else { /* was buddied: move remaining buddy to unbuddied list */ chunks = zbud_size_to_chunks(zh_other->size) ; - spin_lock(&zbud_budlists_spinlock); list_del_init(&zbpg->bud_list); zcache_zbud_buddied_count--; list_add_tail(&zbpg->bud_list, &zbud_unbuddied[chunks].list); @@ -407,7 +441,7 @@ static int zbud_decompress(struct page *page, struct zbud_hdr *zh) { struct zbud_page *zbpg; unsigned budnum = zbud_budnum(zh); - size_t out_len = PAGE_SIZE; + unsigned int out_len = PAGE_SIZE; char *to_va, *from_va; unsigned size; int ret = 0; @@ -424,8 +458,9 @@ static int zbud_decompress(struct page *page, struct zbud_hdr *zh) to_va = kmap_atomic(page, KM_USER0); size = zh->size; from_va = zbud_data(zh, size); - ret = lzo1x_decompress_safe(from_va, size, to_va, &out_len); - BUG_ON(ret != LZO_E_OK); + ret = zcache_comp_op(ZCACHE_COMPOP_DECOMPRESS, from_va, size, + to_va, &out_len); + BUG_ON(ret); BUG_ON(out_len != PAGE_SIZE); kunmap_atomic(to_va, KM_USER0); out: @@ -622,8 +657,8 @@ static int zbud_show_cumul_chunk_counts(char *buf) #endif /********** - * This "zv" PAM implementation combines the TLSF-based xvMalloc - * with lzo1x compression to maximize the amount of data that can + * This "zv" PAM implementation combines the slab-based zsmalloc + * with the crypto compression API to maximize the amount of data that can * be packed into a physical page. * * Zv represents a PAM page with the index and object (plus a "size" value @@ -636,6 +671,7 @@ struct zv_hdr { uint32_t pool_id; struct tmem_oid oid; uint32_t index; + size_t size; DECL_SENTINEL }; @@ -657,72 +693,72 @@ static unsigned int zv_max_mean_zsize = (PAGE_SIZE / 8) * 5; static atomic_t zv_curr_dist_counts[NCHUNKS]; static atomic_t zv_cumul_dist_counts[NCHUNKS]; -static struct zv_hdr *zv_create(struct xv_pool *xvpool, uint32_t pool_id, +static struct zv_hdr *zv_create(struct zs_pool *pool, uint32_t pool_id, struct tmem_oid *oid, uint32_t index, void *cdata, unsigned clen) { - struct page *page; - struct zv_hdr *zv = NULL; - uint32_t offset; - int alloc_size = clen + sizeof(struct zv_hdr); - int chunks = (alloc_size + (CHUNK_SIZE - 1)) >> CHUNK_SHIFT; - int ret; + struct zv_hdr *zv; + u32 size = clen + sizeof(struct zv_hdr); + int chunks = (size + (CHUNK_SIZE - 1)) >> CHUNK_SHIFT; + void *handle = NULL; BUG_ON(!irqs_disabled()); BUG_ON(chunks >= NCHUNKS); - ret = xv_malloc(xvpool, alloc_size, - &page, &offset, ZCACHE_GFP_MASK); - if (unlikely(ret)) + handle = zs_malloc(pool, size); + if (!handle) goto out; atomic_inc(&zv_curr_dist_counts[chunks]); atomic_inc(&zv_cumul_dist_counts[chunks]); - zv = kmap_atomic(page, KM_USER0) + offset; + zv = zs_map_object(pool, handle); zv->index = index; zv->oid = *oid; zv->pool_id = pool_id; + zv->size = clen; SET_SENTINEL(zv, ZVH); memcpy((char *)zv + sizeof(struct zv_hdr), cdata, clen); - kunmap_atomic(zv, KM_USER0); + zs_unmap_object(pool, handle); out: - return zv; + return handle; } -static void zv_free(struct xv_pool *xvpool, struct zv_hdr *zv) +static void zv_free(struct zs_pool *pool, void *handle) { unsigned long flags; - struct page *page; - uint32_t offset; - uint16_t size = xv_get_object_size(zv); - int chunks = (size + (CHUNK_SIZE - 1)) >> CHUNK_SHIFT; + struct zv_hdr *zv; + uint16_t size; + int chunks; + zv = zs_map_object(pool, handle); ASSERT_SENTINEL(zv, ZVH); + size = zv->size + sizeof(struct zv_hdr); + INVERT_SENTINEL(zv, ZVH); + zs_unmap_object(pool, handle); + + chunks = (size + (CHUNK_SIZE - 1)) >> CHUNK_SHIFT; BUG_ON(chunks >= NCHUNKS); atomic_dec(&zv_curr_dist_counts[chunks]); - size -= sizeof(*zv); - BUG_ON(size == 0); - INVERT_SENTINEL(zv, ZVH); - page = virt_to_page(zv); - offset = (unsigned long)zv & ~PAGE_MASK; + local_irq_save(flags); - xv_free(xvpool, page, offset); + zs_free(pool, handle); local_irq_restore(flags); } -static void zv_decompress(struct page *page, struct zv_hdr *zv) +static void zv_decompress(struct page *page, void *handle) { - size_t clen = PAGE_SIZE; + unsigned int clen = PAGE_SIZE; char *to_va; - unsigned size; int ret; + struct zv_hdr *zv; + zv = zs_map_object(zcache_host.zspool, handle); + BUG_ON(zv->size == 0); ASSERT_SENTINEL(zv, ZVH); - size = xv_get_object_size(zv) - sizeof(*zv); - BUG_ON(size == 0); to_va = kmap_atomic(page, KM_USER0); - ret = lzo1x_decompress_safe((char *)zv + sizeof(*zv), - size, to_va, &clen); + ret = zcache_comp_op(ZCACHE_COMPOP_DECOMPRESS, (char *)zv + sizeof(*zv), + zv->size, to_va, &clen); kunmap_atomic(to_va, KM_USER0); - BUG_ON(ret != LZO_E_OK); + zs_unmap_object(zcache_host.zspool, handle); + BUG_ON(ret); BUG_ON(clen != PAGE_SIZE); } @@ -948,8 +984,8 @@ int zcache_new_client(uint16_t cli_id) goto out; cli->allocated = 1; #ifdef CONFIG_FRONTSWAP - cli->xvpool = xv_create_pool(); - if (cli->xvpool == NULL) + cli->zspool = zs_create_pool("zcache", ZCACHE_GFP_MASK); + if (cli->zspool == NULL) goto out; #endif ret = 0; @@ -1132,14 +1168,14 @@ static atomic_t zcache_curr_pers_pampd_count = ATOMIC_INIT(0); static unsigned long zcache_curr_pers_pampd_count_max; /* forward reference */ -static int zcache_compress(struct page *from, void **out_va, size_t *out_len); +static int zcache_compress(struct page *from, void **out_va, unsigned *out_len); static void *zcache_pampd_create(char *data, size_t size, bool raw, int eph, struct tmem_pool *pool, struct tmem_oid *oid, uint32_t index) { void *pampd = NULL, *cdata; - size_t clen; + unsigned clen; int ret; unsigned long count; struct page *page = (struct page *)(data); @@ -1180,7 +1216,7 @@ static void *zcache_pampd_create(char *data, size_t size, bool raw, int eph, } /* reject if mean compression is too poor */ if ((clen > zv_max_mean_zsize) && (curr_pers_pampd_count > 0)) { - total_zsize = xv_get_total_size_bytes(cli->xvpool); + total_zsize = zs_get_total_size_bytes(cli->zspool); zv_mean_zsize = div_u64(total_zsize, curr_pers_pampd_count); if (zv_mean_zsize > zv_max_mean_zsize) { @@ -1188,7 +1224,7 @@ static void *zcache_pampd_create(char *data, size_t size, bool raw, int eph, goto out; } } - pampd = (void *)zv_create(cli->xvpool, pool->pool_id, + pampd = (void *)zv_create(cli->zspool, pool->pool_id, oid, index, cdata, clen); if (pampd == NULL) goto out; @@ -1246,7 +1282,7 @@ static void zcache_pampd_free(void *pampd, struct tmem_pool *pool, atomic_dec(&zcache_curr_eph_pampd_count); BUG_ON(atomic_read(&zcache_curr_eph_pampd_count) < 0); } else { - zv_free(cli->xvpool, (struct zv_hdr *)pampd); + zv_free(cli->zspool, pampd); atomic_dec(&zcache_curr_pers_pampd_count); BUG_ON(atomic_read(&zcache_curr_pers_pampd_count) < 0); } @@ -1285,25 +1321,24 @@ static struct tmem_pamops zcache_pamops = { * zcache compression/decompression and related per-cpu stuff */ -#define LZO_WORKMEM_BYTES LZO1X_1_MEM_COMPRESS -#define LZO_DSTMEM_PAGE_ORDER 1 -static DEFINE_PER_CPU(unsigned char *, zcache_workmem); static DEFINE_PER_CPU(unsigned char *, zcache_dstmem); +#define ZCACHE_DSTMEM_ORDER 1 -static int zcache_compress(struct page *from, void **out_va, size_t *out_len) +static int zcache_compress(struct page *from, void **out_va, unsigned *out_len) { int ret = 0; unsigned char *dmem = __get_cpu_var(zcache_dstmem); - unsigned char *wmem = __get_cpu_var(zcache_workmem); char *from_va; BUG_ON(!irqs_disabled()); - if (unlikely(dmem == NULL || wmem == NULL)) - goto out; /* no buffer, so can't compress */ + if (unlikely(dmem == NULL)) + goto out; /* no buffer or no compressor so can't compress */ + *out_len = PAGE_SIZE << ZCACHE_DSTMEM_ORDER; from_va = kmap_atomic(from, KM_USER0); mb(); - ret = lzo1x_1_compress(from_va, PAGE_SIZE, dmem, out_len, wmem); - BUG_ON(ret != LZO_E_OK); + ret = zcache_comp_op(ZCACHE_COMPOP_COMPRESS, from_va, PAGE_SIZE, dmem, + out_len); + BUG_ON(ret); *out_va = dmem; kunmap_atomic(from_va, KM_USER0); ret = 1; @@ -1311,29 +1346,48 @@ out: return ret; } +static int zcache_comp_cpu_up(int cpu) +{ + struct crypto_comp *tfm; + + tfm = crypto_alloc_comp(zcache_comp_name, 0, 0); + if (IS_ERR(tfm)) + return NOTIFY_BAD; + *per_cpu_ptr(zcache_comp_pcpu_tfms, cpu) = tfm; + return NOTIFY_OK; +} + +static void zcache_comp_cpu_down(int cpu) +{ + struct crypto_comp *tfm; + + tfm = *per_cpu_ptr(zcache_comp_pcpu_tfms, cpu); + crypto_free_comp(tfm); + *per_cpu_ptr(zcache_comp_pcpu_tfms, cpu) = NULL; +} static int zcache_cpu_notifier(struct notifier_block *nb, unsigned long action, void *pcpu) { - int cpu = (long)pcpu; + int ret, cpu = (long)pcpu; struct zcache_preload *kp; switch (action) { case CPU_UP_PREPARE: + ret = zcache_comp_cpu_up(cpu); + if (ret != NOTIFY_OK) { + pr_err("zcache: can't allocate compressor transform\n"); + return ret; + } per_cpu(zcache_dstmem, cpu) = (void *)__get_free_pages( - GFP_KERNEL | __GFP_REPEAT, - LZO_DSTMEM_PAGE_ORDER), - per_cpu(zcache_workmem, cpu) = - kzalloc(LZO1X_MEM_COMPRESS, - GFP_KERNEL | __GFP_REPEAT); + GFP_KERNEL | __GFP_REPEAT, ZCACHE_DSTMEM_ORDER); break; case CPU_DEAD: case CPU_UP_CANCELED: + zcache_comp_cpu_down(cpu); free_pages((unsigned long)per_cpu(zcache_dstmem, cpu), - LZO_DSTMEM_PAGE_ORDER); + ZCACHE_DSTMEM_ORDER); per_cpu(zcache_dstmem, cpu) = NULL; - kfree(per_cpu(zcache_workmem, cpu)); - per_cpu(zcache_workmem, cpu) = NULL; kp = &per_cpu(zcache_preloads, cpu); while (kp->nr) { kmem_cache_free(zcache_objnode_cache, @@ -1918,6 +1972,44 @@ static int __init no_frontswap(char *s) __setup("nofrontswap", no_frontswap); +static int __init enable_zcache_compressor(char *s) +{ + strncpy(zcache_comp_name, s, ZCACHE_COMP_NAME_SZ); + zcache_enabled = 1; + return 1; +} +__setup("zcache=", enable_zcache_compressor); + + +static int zcache_comp_init(void) +{ + int ret = 0; + + /* check crypto algorithm */ + if (*zcache_comp_name != '\0') { + ret = crypto_has_comp(zcache_comp_name, 0, 0); + if (!ret) + pr_info("zcache: %s not supported\n", + zcache_comp_name); + } + if (!ret) + strcpy(zcache_comp_name, "lzo"); + ret = crypto_has_comp(zcache_comp_name, 0, 0); + if (!ret) { + ret = 1; + goto out; + } + pr_info("zcache: using %s compressor\n", zcache_comp_name); + + /* alloc percpu transforms */ + ret = 0; + zcache_comp_pcpu_tfms = alloc_percpu(struct crypto_comp *); + if (!zcache_comp_pcpu_tfms) + ret = 1; +out: + return ret; +} + static int __init zcache_init(void) { int ret = 0; @@ -1940,6 +2032,11 @@ static int __init zcache_init(void) pr_err("zcache: can't register cpu notifier\n"); goto out; } + ret = zcache_comp_init(); + if (ret) { + pr_err("zcache: compressor initialization failed\n"); + goto out; + } for_each_online_cpu(cpu) { void *pcpu = (void *)(long)cpu; zcache_cpu_notifier(&zcache_cpu_notifier_block, @@ -1975,7 +2072,7 @@ static int __init zcache_init(void) old_ops = zcache_frontswap_register_ops(); pr_info("zcache: frontswap enabled using kernel " - "transcendent memory and xvmalloc\n"); + "transcendent memory and zsmalloc\n"); if (old_ops.init != NULL) pr_warning("zcache: frontswap_ops overridden"); } diff --git a/drivers/staging/zram/Kconfig b/drivers/staging/zram/Kconfig index 3bec4dba3fe..9d11a4cb99b 100644 --- a/drivers/staging/zram/Kconfig +++ b/drivers/staging/zram/Kconfig @@ -1,11 +1,9 @@ -config XVMALLOC - bool - default n - config ZRAM tristate "Compressed RAM block device support" - depends on BLOCK && SYSFS - select XVMALLOC + # X86 dependency is because zsmalloc uses non-portable pte/tlb + # functions + depends on BLOCK && SYSFS && X86 + select ZSMALLOC select LZO_COMPRESS select LZO_DECOMPRESS default n diff --git a/drivers/staging/zram/Makefile b/drivers/staging/zram/Makefile index 2a6d3213a75..7f4a3019e9c 100644 --- a/drivers/staging/zram/Makefile +++ b/drivers/staging/zram/Makefile @@ -1,4 +1,3 @@ zram-y := zram_drv.o zram_sysfs.o obj-$(CONFIG_ZRAM) += zram.o -obj-$(CONFIG_XVMALLOC) += xvmalloc.o
\ No newline at end of file diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c index 2a2a92d389e..7f138196b3c 100644 --- a/drivers/staging/zram/zram_drv.c +++ b/drivers/staging/zram/zram_drv.c @@ -40,7 +40,7 @@ static int zram_major; struct zram *zram_devices; /* Module params (documentation at end) */ -unsigned int zram_num_devices; +static unsigned int num_devices; static void zram_stat_inc(u32 *v) { @@ -135,13 +135,9 @@ static void zram_set_disksize(struct zram *zram, size_t totalram_bytes) static void zram_free_page(struct zram *zram, size_t index) { - u32 clen; - void *obj; + void *handle = zram->table[index].handle; - struct page *page = zram->table[index].page; - u32 offset = zram->table[index].offset; - - if (unlikely(!page)) { + if (unlikely(!handle)) { /* * No memory is allocated for zero filled pages. * Simply clear zero page flag. @@ -154,27 +150,24 @@ static void zram_free_page(struct zram *zram, size_t index) } if (unlikely(zram_test_flag(zram, index, ZRAM_UNCOMPRESSED))) { - clen = PAGE_SIZE; - __free_page(page); + __free_page(handle); zram_clear_flag(zram, index, ZRAM_UNCOMPRESSED); zram_stat_dec(&zram->stats.pages_expand); goto out; } - obj = kmap_atomic(page, KM_USER0) + offset; - clen = xv_get_object_size(obj) - sizeof(struct zobj_header); - kunmap_atomic(obj, KM_USER0); + zs_free(zram->mem_pool, handle); - xv_free(zram->mem_pool, page, offset); - if (clen <= PAGE_SIZE / 2) + if (zram->table[index].size <= PAGE_SIZE / 2) zram_stat_dec(&zram->stats.good_compress); out: - zram_stat64_sub(zram, &zram->stats.compr_size, clen); + zram_stat64_sub(zram, &zram->stats.compr_size, + zram->table[index].size); zram_stat_dec(&zram->stats.pages_stored); - zram->table[index].page = NULL; - zram->table[index].offset = 0; + zram->table[index].handle = NULL; + zram->table[index].size = 0; } static void handle_zero_page(struct bio_vec *bvec) @@ -196,7 +189,7 @@ static void handle_uncompressed_page(struct zram *zram, struct bio_vec *bvec, unsigned char *user_mem, *cmem; user_mem = kmap_atomic(page, KM_USER0); - cmem = kmap_atomic(zram->table[index].page, KM_USER1); + cmem = kmap_atomic(zram->table[index].handle, KM_USER1); memcpy(user_mem + bvec->bv_offset, cmem + offset, bvec->bv_len); kunmap_atomic(cmem, KM_USER1); @@ -227,7 +220,7 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec, } /* Requested page is not present in compressed area */ - if (unlikely(!zram->table[index].page)) { + if (unlikely(!zram->table[index].handle)) { pr_debug("Read before write: sector=%lu, size=%u", (ulong)(bio->bi_sector), bio->bi_size); handle_zero_page(bvec); @@ -254,11 +247,10 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec, uncmem = user_mem; clen = PAGE_SIZE; - cmem = kmap_atomic(zram->table[index].page, KM_USER1) + - zram->table[index].offset; + cmem = zs_map_object(zram->mem_pool, zram->table[index].handle); ret = lzo1x_decompress_safe(cmem + sizeof(*zheader), - xv_get_object_size(cmem) - sizeof(*zheader), + zram->table[index].size, uncmem, &clen); if (is_partial_io(bvec)) { @@ -267,7 +259,7 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec, kfree(uncmem); } - kunmap_atomic(cmem, KM_USER1); + zs_unmap_object(zram->mem_pool, zram->table[index].handle); kunmap_atomic(user_mem, KM_USER0); /* Should NEVER happen. Return bio error if it does. */ @@ -290,13 +282,12 @@ static int zram_read_before_write(struct zram *zram, char *mem, u32 index) unsigned char *cmem; if (zram_test_flag(zram, index, ZRAM_ZERO) || - !zram->table[index].page) { + !zram->table[index].handle) { memset(mem, 0, PAGE_SIZE); return 0; } - cmem = kmap_atomic(zram->table[index].page, KM_USER0) + - zram->table[index].offset; + cmem = zs_map_object(zram->mem_pool, zram->table[index].handle); /* Page is stored uncompressed since it's incompressible */ if (unlikely(zram_test_flag(zram, index, ZRAM_UNCOMPRESSED))) { @@ -306,9 +297,9 @@ static int zram_read_before_write(struct zram *zram, char *mem, u32 index) } ret = lzo1x_decompress_safe(cmem + sizeof(*zheader), - xv_get_object_size(cmem) - sizeof(*zheader), + zram->table[index].size, mem, &clen); - kunmap_atomic(cmem, KM_USER0); + zs_unmap_object(zram->mem_pool, zram->table[index].handle); /* Should NEVER happen. Return bio error if it does. */ if (unlikely(ret != LZO_E_OK)) { @@ -326,6 +317,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, int ret; u32 store_offset; size_t clen; + void *handle; struct zobj_header *zheader; struct page *page, *page_store; unsigned char *user_mem, *cmem, *src, *uncmem = NULL; @@ -355,7 +347,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, * System overwrites unused sectors. Free memory associated * with this sector now. */ - if (zram->table[index].page || + if (zram->table[index].handle || zram_test_flag(zram, index, ZRAM_ZERO)) zram_free_page(zram, index); @@ -407,26 +399,22 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, store_offset = 0; zram_set_flag(zram, index, ZRAM_UNCOMPRESSED); zram_stat_inc(&zram->stats.pages_expand); - zram->table[index].page = page_store; + handle = page_store; src = kmap_atomic(page, KM_USER0); + cmem = kmap_atomic(page_store, KM_USER1); goto memstore; } - if (xv_malloc(zram->mem_pool, clen + sizeof(*zheader), - &zram->table[index].page, &store_offset, - GFP_NOIO | __GFP_HIGHMEM)) { + handle = zs_malloc(zram->mem_pool, clen + sizeof(*zheader)); + if (!handle) { pr_info("Error allocating memory for compressed " "page: %u, size=%zu\n", index, clen); ret = -ENOMEM; goto out; } + cmem = zs_map_object(zram->mem_pool, handle); memstore: - zram->table[index].offset = store_offset; - - cmem = kmap_atomic(zram->table[index].page, KM_USER1) + - zram->table[index].offset; - #if 0 /* Back-reference needed for memory defragmentation */ if (!zram_test_flag(zram, index, ZRAM_UNCOMPRESSED)) { @@ -438,9 +426,15 @@ memstore: memcpy(cmem, src, clen); - kunmap_atomic(cmem, KM_USER1); - if (unlikely(zram_test_flag(zram, index, ZRAM_UNCOMPRESSED))) + if (unlikely(zram_test_flag(zram, index, ZRAM_UNCOMPRESSED))) { + kunmap_atomic(cmem, KM_USER1); kunmap_atomic(src, KM_USER0); + } else { + zs_unmap_object(zram->mem_pool, handle); + } + + zram->table[index].handle = handle; + zram->table[index].size = clen; /* Update stats */ zram_stat64_add(zram, &zram->stats.compr_size, clen); @@ -598,25 +592,20 @@ void __zram_reset_device(struct zram *zram) /* Free all pages that are still in this zram device */ for (index = 0; index < zram->disksize >> PAGE_SHIFT; index++) { - struct page *page; - u16 offset; - - page = zram->table[index].page; - offset = zram->table[index].offset; - - if (!page) + void *handle = zram->table[index].handle; + if (!handle) continue; if (unlikely(zram_test_flag(zram, index, ZRAM_UNCOMPRESSED))) - __free_page(page); + __free_page(handle); else - xv_free(zram->mem_pool, page, offset); + zs_free(zram->mem_pool, handle); } vfree(zram->table); zram->table = NULL; - xv_destroy_pool(zram->mem_pool); + zs_destroy_pool(zram->mem_pool); zram->mem_pool = NULL; /* Reset stats */ @@ -674,7 +663,7 @@ int zram_init_device(struct zram *zram) /* zram devices sort of resembles non-rotational disks */ queue_flag_set_unlocked(QUEUE_FLAG_NONROT, zram->disk->queue); - zram->mem_pool = xv_create_pool(); + zram->mem_pool = zs_create_pool("zram", GFP_NOIO | __GFP_HIGHMEM); if (!zram->mem_pool) { pr_err("Error creating memory pool\n"); ret = -ENOMEM; @@ -790,13 +779,18 @@ static void destroy_device(struct zram *zram) blk_cleanup_queue(zram->queue); } +unsigned int zram_get_num_devices(void) +{ + return num_devices; +} + static int __init zram_init(void) { int ret, dev_id; - if (zram_num_devices > max_num_devices) { + if (num_devices > max_num_devices) { pr_warning("Invalid value for num_devices: %u\n", - zram_num_devices); + num_devices); ret = -EINVAL; goto out; } @@ -808,20 +802,20 @@ static int __init zram_init(void) goto out; } - if (!zram_num_devices) { + if (!num_devices) { pr_info("num_devices not specified. Using default: 1\n"); - zram_num_devices = 1; + num_devices = 1; } /* Allocate the device array and initialize each one */ - pr_info("Creating %u devices ...\n", zram_num_devices); - zram_devices = kzalloc(zram_num_devices * sizeof(struct zram), GFP_KERNEL); + pr_info("Creating %u devices ...\n", num_devices); + zram_devices = kzalloc(num_devices * sizeof(struct zram), GFP_KERNEL); if (!zram_devices) { ret = -ENOMEM; goto unregister; } - for (dev_id = 0; dev_id < zram_num_devices; dev_id++) { + for (dev_id = 0; dev_id < num_devices; dev_id++) { ret = create_device(&zram_devices[dev_id], dev_id); if (ret) goto free_devices; @@ -844,7 +838,7 @@ static void __exit zram_exit(void) int i; struct zram *zram; - for (i = 0; i < zram_num_devices; i++) { + for (i = 0; i < num_devices; i++) { zram = &zram_devices[i]; destroy_device(zram); @@ -858,8 +852,8 @@ static void __exit zram_exit(void) pr_debug("Cleanup done!\n"); } -module_param(zram_num_devices, uint, 0); -MODULE_PARM_DESC(zram_num_devices, "Number of zram devices"); +module_param(num_devices, uint, 0); +MODULE_PARM_DESC(num_devices, "Number of zram devices"); module_init(zram_init); module_exit(zram_exit); diff --git a/drivers/staging/zram/zram_drv.h b/drivers/staging/zram/zram_drv.h index e5cd2469b6a..fbe8ac98704 100644 --- a/drivers/staging/zram/zram_drv.h +++ b/drivers/staging/zram/zram_drv.h @@ -18,7 +18,7 @@ #include <linux/spinlock.h> #include <linux/mutex.h> -#include "xvmalloc.h" +#include "../zsmalloc/zsmalloc.h" /* * Some arbitrary value. This is just to catch @@ -51,7 +51,7 @@ static const size_t max_zpage_size = PAGE_SIZE / 4 * 3; /* * NOTE: max_zpage_size must be less than or equal to: - * XV_MAX_ALLOC_SIZE - sizeof(struct zobj_header) + * ZS_MAX_ALLOC_SIZE - sizeof(struct zobj_header) * otherwise, xv_malloc() would always return failure. */ @@ -81,8 +81,8 @@ enum zram_pageflags { /* Allocated for each disk page */ struct table { - struct page *page; - u16 offset; + void *handle; + u16 size; /* object size (excluding header) */ u8 count; /* object ref count (not yet used) */ u8 flags; } __attribute__((aligned(4))); @@ -102,7 +102,7 @@ struct zram_stats { }; struct zram { - struct xv_pool *mem_pool; + struct zs_pool *mem_pool; void *compress_workmem; void *compress_buffer; struct table *table; @@ -124,7 +124,7 @@ struct zram { }; extern struct zram *zram_devices; -extern unsigned int zram_num_devices; +unsigned int zram_get_num_devices(void); #ifdef CONFIG_SYSFS extern struct attribute_group zram_disk_attr_group; #endif diff --git a/drivers/staging/zram/zram_sysfs.c b/drivers/staging/zram/zram_sysfs.c index d521122826f..a7f37717552 100644 --- a/drivers/staging/zram/zram_sysfs.c +++ b/drivers/staging/zram/zram_sysfs.c @@ -34,7 +34,7 @@ static struct zram *dev_to_zram(struct device *dev) int i; struct zram *zram = NULL; - for (i = 0; i < zram_num_devices; i++) { + for (i = 0; i < zram_get_num_devices(); i++) { zram = &zram_devices[i]; if (disk_to_dev(zram->disk) == dev) break; @@ -187,7 +187,7 @@ static ssize_t mem_used_total_show(struct device *dev, struct zram *zram = dev_to_zram(dev); if (zram->init_done) { - val = xv_get_total_size_bytes(zram->mem_pool) + + val = zs_get_total_size_bytes(zram->mem_pool) + ((u64)(zram->stats.pages_expand) << PAGE_SHIFT); } diff --git a/drivers/staging/zsmalloc/Kconfig b/drivers/staging/zsmalloc/Kconfig new file mode 100644 index 00000000000..a5ab7200626 --- /dev/null +++ b/drivers/staging/zsmalloc/Kconfig @@ -0,0 +1,14 @@ +config ZSMALLOC + tristate "Memory allocator for compressed pages" + # X86 dependency is because of the use of __flush_tlb_one and set_pte + # in zsmalloc-main.c. + # TODO: convert these to portable functions + depends on X86 + default n + help + zsmalloc is a slab-based memory allocator designed to store + compressed RAM pages. zsmalloc uses virtual memory mapping + in order to reduce fragmentation. However, this results in a + non-standard allocator interface where a handle, not a pointer, is + returned by an alloc(). This handle must be mapped in order to + access the allocated space. diff --git a/drivers/staging/zsmalloc/Makefile b/drivers/staging/zsmalloc/Makefile new file mode 100644 index 00000000000..b134848a590 --- /dev/null +++ b/drivers/staging/zsmalloc/Makefile @@ -0,0 +1,3 @@ +zsmalloc-y := zsmalloc-main.o + +obj-$(CONFIG_ZSMALLOC) += zsmalloc.o diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c new file mode 100644 index 00000000000..09caa4f2687 --- /dev/null +++ b/drivers/staging/zsmalloc/zsmalloc-main.c @@ -0,0 +1,745 @@ +/* + * zsmalloc memory allocator + * + * Copyright (C) 2011 Nitin Gupta + * + * This code is released using a dual license strategy: BSD/GPL + * You can choose the license that better fits your requirements. + * + * Released under the terms of 3-clause BSD License + * Released under the terms of GNU General Public License Version 2.0 + */ + +#ifdef CONFIG_ZSMALLOC_DEBUG +#define DEBUG +#endif + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/bitops.h> +#include <linux/errno.h> +#include <linux/highmem.h> +#include <linux/init.h> +#include <linux/string.h> +#include <linux/slab.h> +#include <asm/tlbflush.h> +#include <asm/pgtable.h> +#include <linux/cpumask.h> +#include <linux/cpu.h> +#include <linux/vmalloc.h> + +#include "zsmalloc.h" +#include "zsmalloc_int.h" + +/* + * A zspage's class index and fullness group + * are encoded in its (first)page->mapping + */ +#define CLASS_IDX_BITS 28 +#define FULLNESS_BITS 4 +#define CLASS_IDX_MASK ((1 << CLASS_IDX_BITS) - 1) +#define FULLNESS_MASK ((1 << FULLNESS_BITS) - 1) + +/* per-cpu VM mapping areas for zspage accesses that cross page boundaries */ +static DEFINE_PER_CPU(struct mapping_area, zs_map_area); + +static int is_first_page(struct page *page) +{ + return test_bit(PG_private, &page->flags); +} + +static int is_last_page(struct page *page) +{ + return test_bit(PG_private_2, &page->flags); +} + +static void get_zspage_mapping(struct page *page, unsigned int *class_idx, + enum fullness_group *fullness) +{ + unsigned long m; + BUG_ON(!is_first_page(page)); + + m = (unsigned long)page->mapping; + *fullness = m & FULLNESS_MASK; + *class_idx = (m >> FULLNESS_BITS) & CLASS_IDX_MASK; +} + +static void set_zspage_mapping(struct page *page, unsigned int class_idx, + enum fullness_group fullness) +{ + unsigned long m; + BUG_ON(!is_first_page(page)); + + m = ((class_idx & CLASS_IDX_MASK) << FULLNESS_BITS) | + (fullness & FULLNESS_MASK); + page->mapping = (struct address_space *)m; +} + +static int get_size_class_index(int size) +{ + int idx = 0; + + if (likely(size > ZS_MIN_ALLOC_SIZE)) + idx = DIV_ROUND_UP(size - ZS_MIN_ALLOC_SIZE, + ZS_SIZE_CLASS_DELTA); + + return idx; +} + +static enum fullness_group get_fullness_group(struct page *page) +{ + int inuse, max_objects; + enum fullness_group fg; + BUG_ON(!is_first_page(page)); + + inuse = page->inuse; + max_objects = page->objects; + + if (inuse == 0) + fg = ZS_EMPTY; + else if (inuse == max_objects) + fg = ZS_FULL; + else if (inuse <= max_objects / fullness_threshold_frac) + fg = ZS_ALMOST_EMPTY; + else + fg = ZS_ALMOST_FULL; + + return fg; +} + +static void insert_zspage(struct page *page, struct size_class *class, + enum fullness_group fullness) +{ + struct page **head; + + BUG_ON(!is_first_page(page)); + + if (fullness >= _ZS_NR_FULLNESS_GROUPS) + return; + + head = &class->fullness_list[fullness]; + if (*head) + list_add_tail(&page->lru, &(*head)->lru); + + *head = page; +} + +static void remove_zspage(struct page *page, struct size_class *class, + enum fullness_group fullness) +{ + struct page **head; + + BUG_ON(!is_first_page(page)); + + if (fullness >= _ZS_NR_FULLNESS_GROUPS) + return; + + head = &class->fullness_list[fullness]; + BUG_ON(!*head); + if (list_empty(&(*head)->lru)) + *head = NULL; + else if (*head == page) + *head = (struct page *)list_entry((*head)->lru.next, + struct page, lru); + + list_del_init(&page->lru); +} + +static enum fullness_group fix_fullness_group(struct zs_pool *pool, + struct page *page) +{ + int class_idx; + struct size_class *class; + enum fullness_group currfg, newfg; + + BUG_ON(!is_first_page(page)); + + get_zspage_mapping(page, &class_idx, &currfg); + newfg = get_fullness_group(page); + if (newfg == currfg) + goto out; + + class = &pool->size_class[class_idx]; + remove_zspage(page, class, currfg); + insert_zspage(page, class, newfg); + set_zspage_mapping(page, class_idx, newfg); + +out: + return newfg; +} + +/* + * We have to decide on how many pages to link together + * to form a zspage for each size class. This is important + * to reduce wastage due to unusable space left at end of + * each zspage which is given as: + * wastage = Zp - Zp % size_class + * where Zp = zspage size = k * PAGE_SIZE where k = 1, 2, ... + * + * For example, for size class of 3/8 * PAGE_SIZE, we should + * link together 3 PAGE_SIZE sized pages to form a zspage + * since then we can perfectly fit in 8 such objects. + */ +static int get_zspage_order(int class_size) +{ + int i, max_usedpc = 0; + /* zspage order which gives maximum used size per KB */ + int max_usedpc_order = 1; + + for (i = 1; i <= ZS_MAX_PAGES_PER_ZSPAGE; i++) { + int zspage_size; + int waste, usedpc; + + zspage_size = i * PAGE_SIZE; + waste = zspage_size % class_size; + usedpc = (zspage_size - waste) * 100 / zspage_size; + + if (usedpc > max_usedpc) { + max_usedpc = usedpc; + max_usedpc_order = i; + } + } + + return max_usedpc_order; +} + +/* + * A single 'zspage' is composed of many system pages which are + * linked together using fields in struct page. This function finds + * the first/head page, given any component page of a zspage. + */ +static struct page *get_first_page(struct page *page) +{ + if (is_first_page(page)) + return page; + else + return page->first_page; +} + +static struct page *get_next_page(struct page *page) +{ + struct page *next; + + if (is_last_page(page)) + next = NULL; + else if (is_first_page(page)) + next = (struct page *)page->private; + else + next = list_entry(page->lru.next, struct page, lru); + + return next; +} + +/* Encode <page, obj_idx> as a single handle value */ +static void *obj_location_to_handle(struct page *page, unsigned long obj_idx) +{ + unsigned long handle; + + if (!page) { + BUG_ON(obj_idx); + return NULL; + } + + handle = page_to_pfn(page) << OBJ_INDEX_BITS; + handle |= (obj_idx & OBJ_INDEX_MASK); + + return (void *)handle; +} + +/* Decode <page, obj_idx> pair from the given object handle */ +static void obj_handle_to_location(void *handle, struct page **page, + unsigned long *obj_idx) +{ + unsigned long hval = (unsigned long)handle; + + *page = pfn_to_page(hval >> OBJ_INDEX_BITS); + *obj_idx = hval & OBJ_INDEX_MASK; +} + +static unsigned long obj_idx_to_offset(struct page *page, + unsigned long obj_idx, int class_size) +{ + unsigned long off = 0; + + if (!is_first_page(page)) + off = page->index; + + return off + obj_idx * class_size; +} + +static void free_zspage(struct page *first_page) +{ + struct page *nextp, *tmp; + + BUG_ON(!is_first_page(first_page)); + BUG_ON(first_page->inuse); + + nextp = (struct page *)page_private(first_page); + + clear_bit(PG_private, &first_page->flags); + clear_bit(PG_private_2, &first_page->flags); + set_page_private(first_page, 0); + first_page->mapping = NULL; + first_page->freelist = NULL; + reset_page_mapcount(first_page); + __free_page(first_page); + + /* zspage with only 1 system page */ + if (!nextp) + return; + + list_for_each_entry_safe(nextp, tmp, &nextp->lru, lru) { + list_del(&nextp->lru); + clear_bit(PG_private_2, &nextp->flags); + nextp->index = 0; + __free_page(nextp); + } +} + +/* Initialize a newly allocated zspage */ +static void init_zspage(struct page *first_page, struct size_class *class) +{ + unsigned long off = 0; + struct page *page = first_page; + + BUG_ON(!is_first_page(first_page)); + while (page) { + struct page *next_page; + struct link_free *link; + unsigned int i, objs_on_page; + + /* + * page->index stores offset of first object starting + * in the page. For the first page, this is always 0, + * so we use first_page->index (aka ->freelist) to store + * head of corresponding zspage's freelist. + */ + if (page != first_page) + page->index = off; + + link = (struct link_free *)kmap_atomic(page) + + off / sizeof(*link); + objs_on_page = (PAGE_SIZE - off) / class->size; + + for (i = 1; i <= objs_on_page; i++) { + off += class->size; + if (off < PAGE_SIZE) { + link->next = obj_location_to_handle(page, i); + link += class->size / sizeof(*link); + } + } + + /* + * We now come to the last (full or partial) object on this + * page, which must point to the first object on the next + * page (if present) + */ + next_page = get_next_page(page); + link->next = obj_location_to_handle(next_page, 0); + kunmap_atomic(link); + page = next_page; + off = (off + class->size) % PAGE_SIZE; + } +} + +/* + * Allocate a zspage for the given size class + */ +static struct page *alloc_zspage(struct size_class *class, gfp_t flags) +{ + int i, error; + struct page *first_page = NULL; + + /* + * Allocate individual pages and link them together as: + * 1. first page->private = first sub-page + * 2. all sub-pages are linked together using page->lru + * 3. each sub-page is linked to the first page using page->first_page + * + * For each size class, First/Head pages are linked together using + * page->lru. Also, we set PG_private to identify the first page + * (i.e. no other sub-page has this flag set) and PG_private_2 to + * identify the last page. + */ + error = -ENOMEM; + for (i = 0; i < class->zspage_order; i++) { + struct page *page, *prev_page; + + page = alloc_page(flags); + if (!page) + goto cleanup; + + INIT_LIST_HEAD(&page->lru); + if (i == 0) { /* first page */ + set_bit(PG_private, &page->flags); + set_page_private(page, 0); + first_page = page; + first_page->inuse = 0; + } + if (i == 1) + first_page->private = (unsigned long)page; + if (i >= 1) + page->first_page = first_page; + if (i >= 2) + list_add(&page->lru, &prev_page->lru); + if (i == class->zspage_order - 1) /* last page */ + set_bit(PG_private_2, &page->flags); + + prev_page = page; + } + + init_zspage(first_page, class); + + first_page->freelist = obj_location_to_handle(first_page, 0); + /* Maximum number of objects we can store in this zspage */ + first_page->objects = class->zspage_order * PAGE_SIZE / class->size; + + error = 0; /* Success */ + +cleanup: + if (unlikely(error) && first_page) { + free_zspage(first_page); + first_page = NULL; + } + + return first_page; +} + +static struct page *find_get_zspage(struct size_class *class) +{ + int i; + struct page *page; + + for (i = 0; i < _ZS_NR_FULLNESS_GROUPS; i++) { + page = class->fullness_list[i]; + if (page) + break; + } + + return page; +} + + +/* + * If this becomes a separate module, register zs_init() with + * module_init(), zs_exit with module_exit(), and remove zs_initialized +*/ +static int zs_initialized; + +static int zs_cpu_notifier(struct notifier_block *nb, unsigned long action, + void *pcpu) +{ + int cpu = (long)pcpu; + struct mapping_area *area; + + switch (action) { + case CPU_UP_PREPARE: + area = &per_cpu(zs_map_area, cpu); + if (area->vm) + break; + area->vm = alloc_vm_area(2 * PAGE_SIZE, area->vm_ptes); + if (!area->vm) + return notifier_from_errno(-ENOMEM); + break; + case CPU_DEAD: + case CPU_UP_CANCELED: + area = &per_cpu(zs_map_area, cpu); + if (area->vm) + free_vm_area(area->vm); + area->vm = NULL; + break; + } + + return NOTIFY_OK; +} + +static struct notifier_block zs_cpu_nb = { + .notifier_call = zs_cpu_notifier +}; + +static void zs_exit(void) +{ + int cpu; + + for_each_online_cpu(cpu) + zs_cpu_notifier(NULL, CPU_DEAD, (void *)(long)cpu); + unregister_cpu_notifier(&zs_cpu_nb); +} + +static int zs_init(void) +{ + int cpu, ret; + + register_cpu_notifier(&zs_cpu_nb); + for_each_online_cpu(cpu) { + ret = zs_cpu_notifier(NULL, CPU_UP_PREPARE, (void *)(long)cpu); + if (notifier_to_errno(ret)) + goto fail; + } + return 0; +fail: + zs_exit(); + return notifier_to_errno(ret); +} + +struct zs_pool *zs_create_pool(const char *name, gfp_t flags) +{ + int i, error, ovhd_size; + struct zs_pool *pool; + + if (!name) + return NULL; + + ovhd_size = roundup(sizeof(*pool), PAGE_SIZE); + pool = kzalloc(ovhd_size, GFP_KERNEL); + if (!pool) + return NULL; + + for (i = 0; i < ZS_SIZE_CLASSES; i++) { + int size; + struct size_class *class; + + size = ZS_MIN_ALLOC_SIZE + i * ZS_SIZE_CLASS_DELTA; + if (size > ZS_MAX_ALLOC_SIZE) + size = ZS_MAX_ALLOC_SIZE; + + class = &pool->size_class[i]; + class->size = size; + class->index = i; + spin_lock_init(&class->lock); + class->zspage_order = get_zspage_order(size); + + } + + /* + * If this becomes a separate module, register zs_init with + * module_init, and remove this block + */ + if (!zs_initialized) { + error = zs_init(); + if (error) + goto cleanup; + zs_initialized = 1; + } + + pool->flags = flags; + pool->name = name; + + error = 0; /* Success */ + +cleanup: + if (error) { + zs_destroy_pool(pool); + pool = NULL; + } + + return pool; +} +EXPORT_SYMBOL_GPL(zs_create_pool); + +void zs_destroy_pool(struct zs_pool *pool) +{ + int i; + + for (i = 0; i < ZS_SIZE_CLASSES; i++) { + int fg; + struct size_class *class = &pool->size_class[i]; + + for (fg = 0; fg < _ZS_NR_FULLNESS_GROUPS; fg++) { + if (class->fullness_list[fg]) { + pr_info("Freeing non-empty class with size " + "%db, fullness group %d\n", + class->size, fg); + } + } + } + kfree(pool); +} +EXPORT_SYMBOL_GPL(zs_destroy_pool); + +/** + * zs_malloc - Allocate block of given size from pool. + * @pool: pool to allocate from + * @size: size of block to allocate + * @page: page no. that holds the object + * @offset: location of object within page + * + * On success, <page, offset> identifies block allocated + * and 0 is returned. On failure, <page, offset> is set to + * 0 and -ENOMEM is returned. + * + * Allocation requests with size > ZS_MAX_ALLOC_SIZE will fail. + */ +void *zs_malloc(struct zs_pool *pool, size_t size) +{ + void *obj; + struct link_free *link; + int class_idx; + struct size_class *class; + + struct page *first_page, *m_page; + unsigned long m_objidx, m_offset; + + if (unlikely(!size || size > ZS_MAX_ALLOC_SIZE)) + return NULL; + + class_idx = get_size_class_index(size); + class = &pool->size_class[class_idx]; + BUG_ON(class_idx != class->index); + + spin_lock(&class->lock); + first_page = find_get_zspage(class); + + if (!first_page) { + spin_unlock(&class->lock); + first_page = alloc_zspage(class, pool->flags); + if (unlikely(!first_page)) + return NULL; + + set_zspage_mapping(first_page, class->index, ZS_EMPTY); + spin_lock(&class->lock); + class->pages_allocated += class->zspage_order; + } + + obj = first_page->freelist; + obj_handle_to_location(obj, &m_page, &m_objidx); + m_offset = obj_idx_to_offset(m_page, m_objidx, class->size); + + link = (struct link_free *)kmap_atomic(m_page) + + m_offset / sizeof(*link); + first_page->freelist = link->next; + memset(link, POISON_INUSE, sizeof(*link)); + kunmap_atomic(link); + + first_page->inuse++; + /* Now move the zspage to another fullness group, if required */ + fix_fullness_group(pool, first_page); + spin_unlock(&class->lock); + + return obj; +} +EXPORT_SYMBOL_GPL(zs_malloc); + +void zs_free(struct zs_pool *pool, void *obj) +{ + struct link_free *link; + struct page *first_page, *f_page; + unsigned long f_objidx, f_offset; + + int class_idx; + struct size_class *class; + enum fullness_group fullness; + + if (unlikely(!obj)) + return; + + obj_handle_to_location(obj, &f_page, &f_objidx); + first_page = get_first_page(f_page); + + get_zspage_mapping(first_page, &class_idx, &fullness); + class = &pool->size_class[class_idx]; + f_offset = obj_idx_to_offset(f_page, f_objidx, class->size); + + spin_lock(&class->lock); + + /* Insert this object in containing zspage's freelist */ + link = (struct link_free *)((unsigned char *)kmap_atomic(f_page) + + f_offset); + link->next = first_page->freelist; + kunmap_atomic(link); + first_page->freelist = obj; + + first_page->inuse--; + fullness = fix_fullness_group(pool, first_page); + + if (fullness == ZS_EMPTY) + class->pages_allocated -= class->zspage_order; + + spin_unlock(&class->lock); + + if (fullness == ZS_EMPTY) + free_zspage(first_page); +} +EXPORT_SYMBOL_GPL(zs_free); + +void *zs_map_object(struct zs_pool *pool, void *handle) +{ + struct page *page; + unsigned long obj_idx, off; + + unsigned int class_idx; + enum fullness_group fg; + struct size_class *class; + struct mapping_area *area; + + BUG_ON(!handle); + + obj_handle_to_location(handle, &page, &obj_idx); + get_zspage_mapping(get_first_page(page), &class_idx, &fg); + class = &pool->size_class[class_idx]; + off = obj_idx_to_offset(page, obj_idx, class->size); + + area = &get_cpu_var(zs_map_area); + if (off + class->size <= PAGE_SIZE) { + /* this object is contained entirely within a page */ + area->vm_addr = kmap_atomic(page); + } else { + /* this object spans two pages */ + struct page *nextp; + + nextp = get_next_page(page); + BUG_ON(!nextp); + + + set_pte(area->vm_ptes[0], mk_pte(page, PAGE_KERNEL)); + set_pte(area->vm_ptes[1], mk_pte(nextp, PAGE_KERNEL)); + + /* We pre-allocated VM area so mapping can never fail */ + area->vm_addr = area->vm->addr; + } + + return area->vm_addr + off; +} +EXPORT_SYMBOL_GPL(zs_map_object); + +void zs_unmap_object(struct zs_pool *pool, void *handle) +{ + struct page *page; + unsigned long obj_idx, off; + + unsigned int class_idx; + enum fullness_group fg; + struct size_class *class; + struct mapping_area *area; + + BUG_ON(!handle); + + obj_handle_to_location(handle, &page, &obj_idx); + get_zspage_mapping(get_first_page(page), &class_idx, &fg); + class = &pool->size_class[class_idx]; + off = obj_idx_to_offset(page, obj_idx, class->size); + + area = &__get_cpu_var(zs_map_area); + if (off + class->size <= PAGE_SIZE) { + kunmap_atomic(area->vm_addr); + } else { + set_pte(area->vm_ptes[0], __pte(0)); + set_pte(area->vm_ptes[1], __pte(0)); + __flush_tlb_one((unsigned long)area->vm_addr); + __flush_tlb_one((unsigned long)area->vm_addr + PAGE_SIZE); + } + put_cpu_var(zs_map_area); +} +EXPORT_SYMBOL_GPL(zs_unmap_object); + +u64 zs_get_total_size_bytes(struct zs_pool *pool) +{ + int i; + u64 npages = 0; + + for (i = 0; i < ZS_SIZE_CLASSES; i++) + npages += pool->size_class[i].pages_allocated; + + return npages << PAGE_SHIFT; +} +EXPORT_SYMBOL_GPL(zs_get_total_size_bytes); diff --git a/drivers/staging/zsmalloc/zsmalloc.h b/drivers/staging/zsmalloc/zsmalloc.h new file mode 100644 index 00000000000..949384ee749 --- /dev/null +++ b/drivers/staging/zsmalloc/zsmalloc.h @@ -0,0 +1,31 @@ +/* + * zsmalloc memory allocator + * + * Copyright (C) 2011 Nitin Gupta + * + * This code is released using a dual license strategy: BSD/GPL + * You can choose the license that better fits your requirements. + * + * Released under the terms of 3-clause BSD License + * Released under the terms of GNU General Public License Version 2.0 + */ + +#ifndef _ZS_MALLOC_H_ +#define _ZS_MALLOC_H_ + +#include <linux/types.h> + +struct zs_pool; + +struct zs_pool *zs_create_pool(const char *name, gfp_t flags); +void zs_destroy_pool(struct zs_pool *pool); + +void *zs_malloc(struct zs_pool *pool, size_t size); +void zs_free(struct zs_pool *pool, void *obj); + +void *zs_map_object(struct zs_pool *pool, void *handle); +void zs_unmap_object(struct zs_pool *pool, void *handle); + +u64 zs_get_total_size_bytes(struct zs_pool *pool); + +#endif diff --git a/drivers/staging/zsmalloc/zsmalloc_int.h b/drivers/staging/zsmalloc/zsmalloc_int.h new file mode 100644 index 00000000000..92eefc663af --- /dev/null +++ b/drivers/staging/zsmalloc/zsmalloc_int.h @@ -0,0 +1,155 @@ +/* + * zsmalloc memory allocator + * + * Copyright (C) 2011 Nitin Gupta + * + * This code is released using a dual license strategy: BSD/GPL + * You can choose the license that better fits your requirements. + * + * Released under the terms of 3-clause BSD License + * Released under the terms of GNU General Public License Version 2.0 + */ + +#ifndef _ZS_MALLOC_INT_H_ +#define _ZS_MALLOC_INT_H_ + +#include <linux/kernel.h> +#include <linux/spinlock.h> +#include <linux/types.h> + +/* + * This must be power of 2 and greater than of equal to sizeof(link_free). + * These two conditions ensure that any 'struct link_free' itself doesn't + * span more than 1 page which avoids complex case of mapping 2 pages simply + * to restore link_free pointer values. + */ +#define ZS_ALIGN 8 + +/* + * A single 'zspage' is composed of up to 2^N discontiguous 0-order (single) + * pages. ZS_MAX_ZSPAGE_ORDER defines upper limit on N. + */ +#define ZS_MAX_ZSPAGE_ORDER 2 +#define ZS_MAX_PAGES_PER_ZSPAGE (_AC(1, UL) << ZS_MAX_ZSPAGE_ORDER) + +/* + * Object location (<PFN>, <obj_idx>) is encoded as + * as single (void *) handle value. + * + * Note that object index <obj_idx> is relative to system + * page <PFN> it is stored in, so for each sub-page belonging + * to a zspage, obj_idx starts with 0. + * + * This is made more complicated by various memory models and PAE. + */ + +#ifndef MAX_PHYSMEM_BITS +#ifdef CONFIG_HIGHMEM64G +#define MAX_PHYSMEM_BITS 36 +#else /* !CONFIG_HIGHMEM64G */ +/* + * If this definition of MAX_PHYSMEM_BITS is used, OBJ_INDEX_BITS will just + * be PAGE_SHIFT + */ +#define MAX_PHYSMEM_BITS BITS_PER_LONG +#endif +#endif +#define _PFN_BITS (MAX_PHYSMEM_BITS - PAGE_SHIFT) +#define OBJ_INDEX_BITS (BITS_PER_LONG - _PFN_BITS) +#define OBJ_INDEX_MASK ((_AC(1, UL) << OBJ_INDEX_BITS) - 1) + +#define MAX(a, b) ((a) >= (b) ? (a) : (b)) +/* ZS_MIN_ALLOC_SIZE must be multiple of ZS_ALIGN */ +#define ZS_MIN_ALLOC_SIZE \ + MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS)) +#define ZS_MAX_ALLOC_SIZE PAGE_SIZE + +/* + * On systems with 4K page size, this gives 254 size classes! There is a + * trader-off here: + * - Large number of size classes is potentially wasteful as free page are + * spread across these classes + * - Small number of size classes causes large internal fragmentation + * - Probably its better to use specific size classes (empirically + * determined). NOTE: all those class sizes must be set as multiple of + * ZS_ALIGN to make sure link_free itself never has to span 2 pages. + * + * ZS_MIN_ALLOC_SIZE and ZS_SIZE_CLASS_DELTA must be multiple of ZS_ALIGN + * (reason above) + */ +#define ZS_SIZE_CLASS_DELTA 16 +#define ZS_SIZE_CLASSES ((ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE) / \ + ZS_SIZE_CLASS_DELTA + 1) + +/* + * We do not maintain any list for completely empty or full pages + */ +enum fullness_group { + ZS_ALMOST_FULL, + ZS_ALMOST_EMPTY, + _ZS_NR_FULLNESS_GROUPS, + + ZS_EMPTY, + ZS_FULL +}; + +/* + * We assign a page to ZS_ALMOST_EMPTY fullness group when: + * n <= N / f, where + * n = number of allocated objects + * N = total number of objects zspage can store + * f = 1/fullness_threshold_frac + * + * Similarly, we assign zspage to: + * ZS_ALMOST_FULL when n > N / f + * ZS_EMPTY when n == 0 + * ZS_FULL when n == N + * + * (see: fix_fullness_group()) + */ +static const int fullness_threshold_frac = 4; + +struct mapping_area { + struct vm_struct *vm; + pte_t *vm_ptes[2]; + char *vm_addr; +}; + +struct size_class { + /* + * Size of objects stored in this class. Must be multiple + * of ZS_ALIGN. + */ + int size; + unsigned int index; + + /* Number of PAGE_SIZE sized pages to combine to form a 'zspage' */ + int zspage_order; + + spinlock_t lock; + + /* stats */ + u64 pages_allocated; + + struct page *fullness_list[_ZS_NR_FULLNESS_GROUPS]; +}; + +/* + * Placed within free objects to form a singly linked list. + * For every zspage, first_page->freelist gives head of this list. + * + * This must be power of 2 and less than or equal to ZS_ALIGN + */ +struct link_free { + /* Handle of next free chunk (encodes <PFN, obj_idx>) */ + void *next; +}; + +struct zs_pool { + struct size_class size_class[ZS_SIZE_CLASSES]; + + gfp_t flags; /* allocation flags used when growing pool */ + const char *name; +}; + +#endif diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 44262908def..501b27c1814 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -1028,7 +1028,7 @@ done: return iscsit_add_reject_from_cmd( ISCSI_REASON_BOOKMARK_NO_RESOURCES, 1, 1, buf, cmd); - } else if (transport_ret == -EINVAL) { + } else if (transport_ret < 0) { /* * Unsupported SAM Opcode. CHECK_CONDITION will be sent * in iscsit_execute_cmd() during the CmdSN OOO Execution diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index b7c779389ee..63e703bb6ac 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -117,7 +117,7 @@ static struct t10_pr_registration *core_scsi3_locate_pr_reg(struct se_device *, struct se_node_acl *, struct se_session *); static void core_scsi3_put_pr_reg(struct t10_pr_registration *); -static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret) +static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd) { struct se_session *se_sess = cmd->se_sess; struct se_subsystem_dev *su_dev = cmd->se_dev->se_sub_dev; @@ -127,7 +127,7 @@ static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret) int conflict = 0; if (!crh) - return false; + return -EINVAL; pr_reg = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl, se_sess); @@ -155,16 +155,14 @@ static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret) */ if (pr_reg->pr_res_holder) { core_scsi3_put_pr_reg(pr_reg); - *ret = 0; - return false; + return 1; } if ((pr_reg->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_REGONLY) || (pr_reg->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_REGONLY) || (pr_reg->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_ALLREG) || (pr_reg->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_ALLREG)) { core_scsi3_put_pr_reg(pr_reg); - *ret = 0; - return true; + return 1; } core_scsi3_put_pr_reg(pr_reg); conflict = 1; @@ -189,10 +187,10 @@ static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret) " while active SPC-3 registrations exist," " returning RESERVATION_CONFLICT\n"); cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; - return true; + return -EBUSY; } - return false; + return 0; } int target_scsi2_reservation_release(struct se_task *task) @@ -201,12 +199,18 @@ int target_scsi2_reservation_release(struct se_task *task) struct se_device *dev = cmd->se_dev; struct se_session *sess = cmd->se_sess; struct se_portal_group *tpg = sess->se_tpg; - int ret = 0; + int ret = 0, rc; if (!sess || !tpg) goto out; - if (target_check_scsi2_reservation_conflict(cmd, &ret)) + rc = target_check_scsi2_reservation_conflict(cmd); + if (rc == 1) + goto out; + else if (rc < 0) { + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + ret = -EINVAL; goto out; + } ret = 0; spin_lock(&dev->dev_reservation_lock); @@ -243,7 +247,7 @@ int target_scsi2_reservation_reserve(struct se_task *task) struct se_device *dev = cmd->se_dev; struct se_session *sess = cmd->se_sess; struct se_portal_group *tpg = sess->se_tpg; - int ret = 0; + int ret = 0, rc; if ((cmd->t_task_cdb[1] & 0x01) && (cmd->t_task_cdb[1] & 0x02)) { @@ -259,8 +263,14 @@ int target_scsi2_reservation_reserve(struct se_task *task) */ if (!sess || !tpg) goto out; - if (target_check_scsi2_reservation_conflict(cmd, &ret)) + rc = target_check_scsi2_reservation_conflict(cmd); + if (rc == 1) goto out; + else if (rc < 0) { + cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; + ret = -EINVAL; + goto out; + } ret = 0; spin_lock(&dev->dev_reservation_lock); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 58cea07b12f..cd5cd95812b 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -2539,6 +2539,7 @@ static int transport_generic_cmd_sequencer( cmd, cdb, pr_reg_type) != 0) { cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION; cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT; + cmd->scsi_status = SAM_STAT_RESERVATION_CONFLICT; cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; return -EBUSY; } diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c index 4c0507cf808..eff512b5a2a 100644 --- a/drivers/target/tcm_fc/tfc_sess.c +++ b/drivers/target/tcm_fc/tfc_sess.c @@ -86,16 +86,6 @@ static struct ft_tport *ft_tport_create(struct fc_lport *lport) } /* - * Free tport via RCU. - */ -static void ft_tport_rcu_free(struct rcu_head *rcu) -{ - struct ft_tport *tport = container_of(rcu, struct ft_tport, rcu); - - kfree(tport); -} - -/* * Delete a target local port. * Caller holds ft_lport_lock. */ @@ -114,7 +104,7 @@ static void ft_tport_delete(struct ft_tport *tport) tpg->tport = NULL; tport->tpg = NULL; } - call_rcu(&tport->rcu, ft_tport_rcu_free); + kfree_rcu(tport, rcu); } /* diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c index b84c83456dc..afadcd43d14 100644 --- a/drivers/tty/amiserial.c +++ b/drivers/tty/amiserial.c @@ -45,7 +45,7 @@ #if defined(MODULE) && defined(SERIAL_DEBUG_MCOUNT) #define DBG_CNT(s) printk("(%s): [%x] refc=%d, serc=%d, ttyc=%d -> %s\n", \ - tty->name, (info->flags), serial_driver->refcount,info->count,tty->count,s) + tty->name, (info->tport.flags), serial_driver->refcount,info->count,tty->count,s) #else #define DBG_CNT(s) #endif @@ -58,7 +58,6 @@ #include <linux/types.h> #include <linux/serial.h> -#include <linux/serialP.h> #include <linux/serial_reg.h> static char *serial_version = "4.30"; @@ -70,6 +69,7 @@ static char *serial_version = "4.30"; #include <linux/interrupt.h> #include <linux/tty.h> #include <linux/tty_flip.h> +#include <linux/circ_buf.h> #include <linux/console.h> #include <linux/major.h> #include <linux/string.h> @@ -92,6 +92,24 @@ static char *serial_version = "4.30"; #include <asm/amigahw.h> #include <asm/amigaints.h> +struct serial_state { + struct tty_port tport; + struct circ_buf xmit; + struct async_icount icount; + + unsigned long port; + int baud_base; + int xmit_fifo_size; + int custom_divisor; + int read_status_mask; + int ignore_status_mask; + int timeout; + int quot; + int IER; /* Interrupt Enable Register */ + int MCR; /* Modem control register */ + int x_char; /* xon/xoff character */ +}; + #define custom amiga_custom static char *serial_name = "Amiga-builtin serial driver"; @@ -100,11 +118,10 @@ static struct tty_driver *serial_driver; /* number of characters left in xmit buffer before we ask for more */ #define WAKEUP_CHARS 256 -static struct async_struct *IRQ_ports; - static unsigned char current_ctl_bits; -static void change_speed(struct async_struct *info, struct ktermios *old); +static void change_speed(struct tty_struct *tty, struct serial_state *info, + struct ktermios *old); static void rs_wait_until_sent(struct tty_struct *tty, int timeout); @@ -117,7 +134,7 @@ static struct serial_state rs_table[1]; #define serial_isroot() (capable(CAP_SYS_ADMIN)) -static inline int serial_paranoia_check(struct async_struct *info, +static inline int serial_paranoia_check(struct serial_state *info, char *name, const char *routine) { #ifdef SERIAL_PARANOIA_CHECK @@ -170,7 +187,7 @@ static __inline__ void rtsdtr_ctrl(int bits) */ static void rs_stop(struct tty_struct *tty) { - struct async_struct *info = tty->driver_data; + struct serial_state *info = tty->driver_data; unsigned long flags; if (serial_paranoia_check(info, tty->name, "rs_stop")) @@ -190,7 +207,7 @@ static void rs_stop(struct tty_struct *tty) static void rs_start(struct tty_struct *tty) { - struct async_struct *info = tty->driver_data; + struct serial_state *info = tty->driver_data; unsigned long flags; if (serial_paranoia_check(info, tty->name, "rs_start")) @@ -231,27 +248,16 @@ static void rs_start(struct tty_struct *tty) * ----------------------------------------------------------------------- */ -/* - * This routine is used by the interrupt handler to schedule - * processing in the software interrupt portion of the driver. - */ -static void rs_sched_event(struct async_struct *info, - int event) -{ - info->event |= 1 << event; - tasklet_schedule(&info->tlet); -} - -static void receive_chars(struct async_struct *info) +static void receive_chars(struct serial_state *info) { int status; int serdatr; - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->tport.tty; unsigned char ch, flag; struct async_icount *icount; int oe = 0; - icount = &info->state->icount; + icount = &info->icount; status = UART_LSR_DR; /* We obviously have a character! */ serdatr = custom.serdatr; @@ -308,7 +314,7 @@ static void receive_chars(struct async_struct *info) printk("handling break...."); #endif flag = TTY_BREAK; - if (info->flags & ASYNC_SAK) + if (info->tport.flags & ASYNC_SAK) do_SAK(tty); } else if (status & UART_LSR_PE) flag = TTY_PARITY; @@ -331,20 +337,20 @@ out: return; } -static void transmit_chars(struct async_struct *info) +static void transmit_chars(struct serial_state *info) { custom.intreq = IF_TBE; mb(); if (info->x_char) { custom.serdat = info->x_char | 0x100; mb(); - info->state->icount.tx++; + info->icount.tx++; info->x_char = 0; return; } if (info->xmit.head == info->xmit.tail - || info->tty->stopped - || info->tty->hw_stopped) { + || info->tport.tty->stopped + || info->tport.tty->hw_stopped) { info->IER &= ~UART_IER_THRI; custom.intena = IF_TBE; mb(); @@ -354,12 +360,12 @@ static void transmit_chars(struct async_struct *info) custom.serdat = info->xmit.buf[info->xmit.tail++] | 0x100; mb(); info->xmit.tail = info->xmit.tail & (SERIAL_XMIT_SIZE-1); - info->state->icount.tx++; + info->icount.tx++; if (CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) < WAKEUP_CHARS) - rs_sched_event(info, RS_EVENT_WRITE_WAKEUP); + tty_wakeup(info->tport.tty); #ifdef SERIAL_DEBUG_INTR printk("THRE..."); @@ -371,8 +377,9 @@ static void transmit_chars(struct async_struct *info) } } -static void check_modem_status(struct async_struct *info) +static void check_modem_status(struct serial_state *info) { + struct tty_port *port = &info->tport; unsigned char status = ciab.pra & (SER_DCD | SER_CTS | SER_DSR); unsigned char dstatus; struct async_icount *icount; @@ -382,52 +389,52 @@ static void check_modem_status(struct async_struct *info) current_ctl_bits = status; if (dstatus) { - icount = &info->state->icount; + icount = &info->icount; /* update input line counters */ if (dstatus & SER_DSR) icount->dsr++; if (dstatus & SER_DCD) { icount->dcd++; #ifdef CONFIG_HARD_PPS - if ((info->flags & ASYNC_HARDPPS_CD) && + if ((port->flags & ASYNC_HARDPPS_CD) && !(status & SER_DCD)) hardpps(); #endif } if (dstatus & SER_CTS) icount->cts++; - wake_up_interruptible(&info->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); } - if ((info->flags & ASYNC_CHECK_CD) && (dstatus & SER_DCD)) { + if ((port->flags & ASYNC_CHECK_CD) && (dstatus & SER_DCD)) { #if (defined(SERIAL_DEBUG_OPEN) || defined(SERIAL_DEBUG_INTR)) printk("ttyS%d CD now %s...", info->line, (!(status & SER_DCD)) ? "on" : "off"); #endif if (!(status & SER_DCD)) - wake_up_interruptible(&info->open_wait); + wake_up_interruptible(&port->open_wait); else { #ifdef SERIAL_DEBUG_OPEN printk("doing serial hangup..."); #endif - if (info->tty) - tty_hangup(info->tty); + if (port->tty) + tty_hangup(port->tty); } } - if (info->flags & ASYNC_CTS_FLOW) { - if (info->tty->hw_stopped) { + if (port->flags & ASYNC_CTS_FLOW) { + if (port->tty->hw_stopped) { if (!(status & SER_CTS)) { #if (defined(SERIAL_DEBUG_INTR) || defined(SERIAL_DEBUG_FLOW)) printk("CTS tx start..."); #endif - info->tty->hw_stopped = 0; + port->tty->hw_stopped = 0; info->IER |= UART_IER_THRI; custom.intena = IF_SETCLR | IF_TBE; mb(); /* set a pending Tx Interrupt, transmitter should restart now */ custom.intreq = IF_SETCLR | IF_TBE; mb(); - rs_sched_event(info, RS_EVENT_WRITE_WAKEUP); + tty_wakeup(port->tty); return; } } else { @@ -435,7 +442,7 @@ static void check_modem_status(struct async_struct *info) #if (defined(SERIAL_DEBUG_INTR) || defined(SERIAL_DEBUG_FLOW)) printk("CTS tx stop..."); #endif - info->tty->hw_stopped = 1; + port->tty->hw_stopped = 1; info->IER &= ~UART_IER_THRI; /* disable Tx interrupt and remove any pending interrupts */ custom.intena = IF_TBE; @@ -450,7 +457,7 @@ static void check_modem_status(struct async_struct *info) static irqreturn_t ser_vbl_int( int irq, void *data) { /* vbl is just a periodic interrupt we tie into to update modem status */ - struct async_struct * info = IRQ_ports; + struct serial_state *info = data; /* * TBD - is it better to unregister from this interrupt or to * ignore it if MSI is clear ? @@ -462,18 +469,16 @@ static irqreturn_t ser_vbl_int( int irq, void *data) static irqreturn_t ser_rx_int(int irq, void *dev_id) { - struct async_struct * info; + struct serial_state *info = dev_id; #ifdef SERIAL_DEBUG_INTR printk("ser_rx_int..."); #endif - info = IRQ_ports; - if (!info || !info->tty) + if (!info->tport.tty) return IRQ_NONE; receive_chars(info); - info->last_active = jiffies; #ifdef SERIAL_DEBUG_INTR printk("end.\n"); #endif @@ -482,19 +487,17 @@ static irqreturn_t ser_rx_int(int irq, void *dev_id) static irqreturn_t ser_tx_int(int irq, void *dev_id) { - struct async_struct * info; + struct serial_state *info = dev_id; if (custom.serdatr & SDR_TBE) { #ifdef SERIAL_DEBUG_INTR printk("ser_tx_int..."); #endif - info = IRQ_ports; - if (!info || !info->tty) + if (!info->tport.tty) return IRQ_NONE; transmit_chars(info); - info->last_active = jiffies; #ifdef SERIAL_DEBUG_INTR printk("end.\n"); #endif @@ -509,29 +512,6 @@ static irqreturn_t ser_tx_int(int irq, void *dev_id) */ /* - * This routine is used to handle the "bottom half" processing for the - * serial driver, known also the "software interrupt" processing. - * This processing is done at the kernel interrupt level, after the - * rs_interrupt() has returned, BUT WITH INTERRUPTS TURNED ON. This - * is where time-consuming activities which can not be done in the - * interrupt driver proper are done; the interrupt driver schedules - * them using rs_sched_event(), and they get done here. - */ - -static void do_softint(unsigned long private_) -{ - struct async_struct *info = (struct async_struct *) private_; - struct tty_struct *tty; - - tty = info->tty; - if (!tty) - return; - - if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event)) - tty_wakeup(tty); -} - -/* * --------------------------------------------------------------- * Low level utility subroutines for the serial driver: routines to * figure out the appropriate timeout for an interrupt chain, routines @@ -540,8 +520,9 @@ static void do_softint(unsigned long private_) * --------------------------------------------------------------- */ -static int startup(struct async_struct * info) +static int startup(struct tty_struct *tty, struct serial_state *info) { + struct tty_port *port = &info->tport; unsigned long flags; int retval=0; unsigned long page; @@ -552,7 +533,7 @@ static int startup(struct async_struct * info) local_irq_save(flags); - if (info->flags & ASYNC_INITIALIZED) { + if (port->flags & ASYNC_INITIALIZED) { free_page(page); goto errout; } @@ -574,9 +555,7 @@ static int startup(struct async_struct * info) retval = request_irq(IRQ_AMIGA_VERTB, ser_vbl_int, 0, "serial status", info); if (retval) { if (serial_isroot()) { - if (info->tty) - set_bit(TTY_IO_ERROR, - &info->tty->flags); + set_bit(TTY_IO_ERROR, &tty->flags); retval = 0; } goto errout; @@ -590,37 +569,32 @@ static int startup(struct async_struct * info) /* remember current state of the DCD and CTS bits */ current_ctl_bits = ciab.pra & (SER_DCD | SER_CTS | SER_DSR); - IRQ_ports = info; - info->MCR = 0; - if (info->tty->termios->c_cflag & CBAUD) + if (C_BAUD(tty)) info->MCR = SER_DTR | SER_RTS; rtsdtr_ctrl(info->MCR); - if (info->tty) - clear_bit(TTY_IO_ERROR, &info->tty->flags); + clear_bit(TTY_IO_ERROR, &tty->flags); info->xmit.head = info->xmit.tail = 0; /* * Set up the tty->alt_speed kludge */ - if (info->tty) { - if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) - info->tty->alt_speed = 57600; - if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) - info->tty->alt_speed = 115200; - if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) - info->tty->alt_speed = 230400; - if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) - info->tty->alt_speed = 460800; - } + if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) + tty->alt_speed = 57600; + if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) + tty->alt_speed = 115200; + if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) + tty->alt_speed = 230400; + if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) + tty->alt_speed = 460800; /* * and set the speed of the serial port */ - change_speed(info, NULL); + change_speed(tty, info, NULL); - info->flags |= ASYNC_INITIALIZED; + port->flags |= ASYNC_INITIALIZED; local_irq_restore(flags); return 0; @@ -633,15 +607,15 @@ errout: * This routine will shutdown a serial port; interrupts are disabled, and * DTR is dropped if the hangup on close termio flag is on. */ -static void shutdown(struct async_struct * info) +static void shutdown(struct tty_struct *tty, struct serial_state *info) { unsigned long flags; struct serial_state *state; - if (!(info->flags & ASYNC_INITIALIZED)) + if (!(info->tport.flags & ASYNC_INITIALIZED)) return; - state = info->state; + state = info; #ifdef SERIAL_DEBUG_OPEN printk("Shutting down serial port %d ....\n", info->line); @@ -653,9 +627,7 @@ static void shutdown(struct async_struct * info) * clear delta_msr_wait queue to avoid mem leaks: we may free the irq * here so the queue might never be waken up */ - wake_up_interruptible(&info->delta_msr_wait); - - IRQ_ports = NULL; + wake_up_interruptible(&info->tport.delta_msr_wait); /* * Free the IRQ, if necessary @@ -675,14 +647,13 @@ static void shutdown(struct async_struct * info) custom.adkcon = AC_UARTBRK; mb(); - if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) + if (tty->termios->c_cflag & HUPCL) info->MCR &= ~(SER_DTR|SER_RTS); rtsdtr_ctrl(info->MCR); - if (info->tty) - set_bit(TTY_IO_ERROR, &info->tty->flags); + set_bit(TTY_IO_ERROR, &tty->flags); - info->flags &= ~ASYNC_INITIALIZED; + info->tport.flags &= ~ASYNC_INITIALIZED; local_irq_restore(flags); } @@ -691,17 +662,16 @@ static void shutdown(struct async_struct * info) * This routine is called to set the UART divisor registers to match * the specified baud rate for a serial port. */ -static void change_speed(struct async_struct *info, +static void change_speed(struct tty_struct *tty, struct serial_state *info, struct ktermios *old_termios) { + struct tty_port *port = &info->tport; int quot = 0, baud_base, baud; unsigned cflag, cval = 0; int bits; unsigned long flags; - if (!info->tty || !info->tty->termios) - return; - cflag = info->tty->termios->c_cflag; + cflag = tty->termios->c_cflag; /* Byte size is always 8 bits plus parity bit if requested */ @@ -722,13 +692,12 @@ static void change_speed(struct async_struct *info, #endif /* Determine divisor based on baud rate */ - baud = tty_get_baud_rate(info->tty); + baud = tty_get_baud_rate(tty); if (!baud) baud = 9600; /* B0 transition handled in rs_set_termios */ - baud_base = info->state->baud_base; - if (baud == 38400 && - ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)) - quot = info->state->custom_divisor; + baud_base = info->baud_base; + if (baud == 38400 && (port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) + quot = info->custom_divisor; else { if (baud == 134) /* Special case since 134 is really 134.5 */ @@ -739,14 +708,14 @@ static void change_speed(struct async_struct *info, /* If the quotient is zero refuse the change */ if (!quot && old_termios) { /* FIXME: Will need updating for new tty in the end */ - info->tty->termios->c_cflag &= ~CBAUD; - info->tty->termios->c_cflag |= (old_termios->c_cflag & CBAUD); - baud = tty_get_baud_rate(info->tty); + tty->termios->c_cflag &= ~CBAUD; + tty->termios->c_cflag |= (old_termios->c_cflag & CBAUD); + baud = tty_get_baud_rate(tty); if (!baud) baud = 9600; if (baud == 38400 && - ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)) - quot = info->state->custom_divisor; + (port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) + quot = info->custom_divisor; else { if (baud == 134) /* Special case since 134 is really 134.5 */ @@ -764,17 +733,17 @@ static void change_speed(struct async_struct *info, /* CTS flow control flag and modem status interrupts */ info->IER &= ~UART_IER_MSI; - if (info->flags & ASYNC_HARDPPS_CD) + if (port->flags & ASYNC_HARDPPS_CD) info->IER |= UART_IER_MSI; if (cflag & CRTSCTS) { - info->flags |= ASYNC_CTS_FLOW; + port->flags |= ASYNC_CTS_FLOW; info->IER |= UART_IER_MSI; } else - info->flags &= ~ASYNC_CTS_FLOW; + port->flags &= ~ASYNC_CTS_FLOW; if (cflag & CLOCAL) - info->flags &= ~ASYNC_CHECK_CD; + port->flags &= ~ASYNC_CHECK_CD; else { - info->flags |= ASYNC_CHECK_CD; + port->flags |= ASYNC_CHECK_CD; info->IER |= UART_IER_MSI; } /* TBD: @@ -786,24 +755,24 @@ static void change_speed(struct async_struct *info, */ info->read_status_mask = UART_LSR_OE | UART_LSR_DR; - if (I_INPCK(info->tty)) + if (I_INPCK(tty)) info->read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (I_BRKINT(info->tty) || I_PARMRK(info->tty)) + if (I_BRKINT(tty) || I_PARMRK(tty)) info->read_status_mask |= UART_LSR_BI; /* * Characters to ignore */ info->ignore_status_mask = 0; - if (I_IGNPAR(info->tty)) + if (I_IGNPAR(tty)) info->ignore_status_mask |= UART_LSR_PE | UART_LSR_FE; - if (I_IGNBRK(info->tty)) { + if (I_IGNBRK(tty)) { info->ignore_status_mask |= UART_LSR_BI; /* * If we're ignore parity and break indicators, ignore * overruns too. (For real raw support). */ - if (I_IGNPAR(info->tty)) + if (I_IGNPAR(tty)) info->ignore_status_mask |= UART_LSR_OE; } /* @@ -828,13 +797,12 @@ static void change_speed(struct async_struct *info, mb(); } - info->LCR = cval; /* Save LCR */ local_irq_restore(flags); } static int rs_put_char(struct tty_struct *tty, unsigned char ch) { - struct async_struct *info; + struct serial_state *info; unsigned long flags; info = tty->driver_data; @@ -861,7 +829,7 @@ static int rs_put_char(struct tty_struct *tty, unsigned char ch) static void rs_flush_chars(struct tty_struct *tty) { - struct async_struct *info = tty->driver_data; + struct serial_state *info = tty->driver_data; unsigned long flags; if (serial_paranoia_check(info, tty->name, "rs_flush_chars")) @@ -886,11 +854,9 @@ static void rs_flush_chars(struct tty_struct *tty) static int rs_write(struct tty_struct * tty, const unsigned char *buf, int count) { int c, ret = 0; - struct async_struct *info; + struct serial_state *info = tty->driver_data; unsigned long flags; - info = tty->driver_data; - if (serial_paranoia_check(info, tty->name, "rs_write")) return 0; @@ -934,7 +900,7 @@ static int rs_write(struct tty_struct * tty, const unsigned char *buf, int count static int rs_write_room(struct tty_struct *tty) { - struct async_struct *info = tty->driver_data; + struct serial_state *info = tty->driver_data; if (serial_paranoia_check(info, tty->name, "rs_write_room")) return 0; @@ -943,7 +909,7 @@ static int rs_write_room(struct tty_struct *tty) static int rs_chars_in_buffer(struct tty_struct *tty) { - struct async_struct *info = tty->driver_data; + struct serial_state *info = tty->driver_data; if (serial_paranoia_check(info, tty->name, "rs_chars_in_buffer")) return 0; @@ -952,7 +918,7 @@ static int rs_chars_in_buffer(struct tty_struct *tty) static void rs_flush_buffer(struct tty_struct *tty) { - struct async_struct *info = tty->driver_data; + struct serial_state *info = tty->driver_data; unsigned long flags; if (serial_paranoia_check(info, tty->name, "rs_flush_buffer")) @@ -969,7 +935,7 @@ static void rs_flush_buffer(struct tty_struct *tty) */ static void rs_send_xchar(struct tty_struct *tty, char ch) { - struct async_struct *info = tty->driver_data; + struct serial_state *info = tty->driver_data; unsigned long flags; if (serial_paranoia_check(info, tty->name, "rs_send_char")) @@ -1004,7 +970,7 @@ static void rs_send_xchar(struct tty_struct *tty, char ch) */ static void rs_throttle(struct tty_struct * tty) { - struct async_struct *info = tty->driver_data; + struct serial_state *info = tty->driver_data; unsigned long flags; #ifdef SERIAL_DEBUG_THROTTLE char buf[64]; @@ -1029,7 +995,7 @@ static void rs_throttle(struct tty_struct * tty) static void rs_unthrottle(struct tty_struct * tty) { - struct async_struct *info = tty->driver_data; + struct serial_state *info = tty->driver_data; unsigned long flags; #ifdef SERIAL_DEBUG_THROTTLE char buf[64]; @@ -1060,25 +1026,22 @@ static void rs_unthrottle(struct tty_struct * tty) * ------------------------------------------------------------ */ -static int get_serial_info(struct async_struct * info, +static int get_serial_info(struct tty_struct *tty, struct serial_state *state, struct serial_struct __user * retinfo) { struct serial_struct tmp; - struct serial_state *state = info->state; if (!retinfo) return -EFAULT; memset(&tmp, 0, sizeof(tmp)); tty_lock(); - tmp.type = state->type; - tmp.line = state->line; + tmp.line = tty->index; tmp.port = state->port; - tmp.irq = state->irq; - tmp.flags = state->flags; + tmp.flags = state->tport.flags; tmp.xmit_fifo_size = state->xmit_fifo_size; tmp.baud_base = state->baud_base; - tmp.close_delay = state->close_delay; - tmp.closing_wait = state->closing_wait; + tmp.close_delay = state->tport.close_delay; + tmp.closing_wait = state->tport.closing_wait; tmp.custom_divisor = state->custom_divisor; tty_unlock(); if (copy_to_user(retinfo,&tmp,sizeof(*retinfo))) @@ -1086,38 +1049,34 @@ static int get_serial_info(struct async_struct * info, return 0; } -static int set_serial_info(struct async_struct * info, +static int set_serial_info(struct tty_struct *tty, struct serial_state *state, struct serial_struct __user * new_info) { + struct tty_port *port = &state->tport; struct serial_struct new_serial; - struct serial_state old_state, *state; - unsigned int change_irq,change_port; + bool change_spd; int retval = 0; if (copy_from_user(&new_serial,new_info,sizeof(new_serial))) return -EFAULT; tty_lock(); - state = info->state; - old_state = *state; - - change_irq = new_serial.irq != state->irq; - change_port = (new_serial.port != state->port); - if(change_irq || change_port || (new_serial.xmit_fifo_size != state->xmit_fifo_size)) { - tty_unlock(); - return -EINVAL; + change_spd = ((new_serial.flags ^ port->flags) & ASYNC_SPD_MASK) || + new_serial.custom_divisor != state->custom_divisor; + if (new_serial.irq || new_serial.port != state->port || + new_serial.xmit_fifo_size != state->xmit_fifo_size) { + tty_unlock(); + return -EINVAL; } if (!serial_isroot()) { if ((new_serial.baud_base != state->baud_base) || - (new_serial.close_delay != state->close_delay) || + (new_serial.close_delay != port->close_delay) || (new_serial.xmit_fifo_size != state->xmit_fifo_size) || ((new_serial.flags & ~ASYNC_USR_MASK) != - (state->flags & ~ASYNC_USR_MASK))) + (port->flags & ~ASYNC_USR_MASK))) return -EPERM; - state->flags = ((state->flags & ~ASYNC_USR_MASK) | - (new_serial.flags & ASYNC_USR_MASK)); - info->flags = ((info->flags & ~ASYNC_USR_MASK) | + port->flags = ((port->flags & ~ASYNC_USR_MASK) | (new_serial.flags & ASYNC_USR_MASK)); state->custom_divisor = new_serial.custom_divisor; goto check_and_exit; @@ -1134,32 +1093,28 @@ static int set_serial_info(struct async_struct * info, */ state->baud_base = new_serial.baud_base; - state->flags = ((state->flags & ~ASYNC_FLAGS) | + port->flags = ((port->flags & ~ASYNC_FLAGS) | (new_serial.flags & ASYNC_FLAGS)); - info->flags = ((state->flags & ~ASYNC_INTERNAL_FLAGS) | - (info->flags & ASYNC_INTERNAL_FLAGS)); state->custom_divisor = new_serial.custom_divisor; - state->close_delay = new_serial.close_delay * HZ/100; - state->closing_wait = new_serial.closing_wait * HZ/100; - info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + port->close_delay = new_serial.close_delay * HZ/100; + port->closing_wait = new_serial.closing_wait * HZ/100; + tty->low_latency = (port->flags & ASYNC_LOW_LATENCY) ? 1 : 0; check_and_exit: - if (info->flags & ASYNC_INITIALIZED) { - if (((old_state.flags & ASYNC_SPD_MASK) != - (state->flags & ASYNC_SPD_MASK)) || - (old_state.custom_divisor != state->custom_divisor)) { - if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) - info->tty->alt_speed = 57600; - if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) - info->tty->alt_speed = 115200; - if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) - info->tty->alt_speed = 230400; - if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) - info->tty->alt_speed = 460800; - change_speed(info, NULL); + if (port->flags & ASYNC_INITIALIZED) { + if (change_spd) { + if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) + tty->alt_speed = 57600; + if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) + tty->alt_speed = 115200; + if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) + tty->alt_speed = 230400; + if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) + tty->alt_speed = 460800; + change_speed(tty, state, NULL); } } else - retval = startup(info); + retval = startup(tty, state); tty_unlock(); return retval; } @@ -1175,7 +1130,7 @@ check_and_exit: * transmit holding register is empty. This functionality * allows an RS485 driver to be written in user space. */ -static int get_lsr_info(struct async_struct * info, unsigned int __user *value) +static int get_lsr_info(struct serial_state *info, unsigned int __user *value) { unsigned char status; unsigned int result; @@ -1194,7 +1149,7 @@ static int get_lsr_info(struct async_struct * info, unsigned int __user *value) static int rs_tiocmget(struct tty_struct *tty) { - struct async_struct * info = tty->driver_data; + struct serial_state *info = tty->driver_data; unsigned char control, status; unsigned long flags; @@ -1217,7 +1172,7 @@ static int rs_tiocmget(struct tty_struct *tty) static int rs_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear) { - struct async_struct * info = tty->driver_data; + struct serial_state *info = tty->driver_data; unsigned long flags; if (serial_paranoia_check(info, tty->name, "rs_ioctl")) @@ -1244,7 +1199,7 @@ static int rs_tiocmset(struct tty_struct *tty, unsigned int set, */ static int rs_break(struct tty_struct *tty, int break_state) { - struct async_struct * info = tty->driver_data; + struct serial_state *info = tty->driver_data; unsigned long flags; if (serial_paranoia_check(info, tty->name, "rs_break")) @@ -1269,12 +1224,12 @@ static int rs_break(struct tty_struct *tty, int break_state) static int rs_get_icount(struct tty_struct *tty, struct serial_icounter_struct *icount) { - struct async_struct *info = tty->driver_data; + struct serial_state *info = tty->driver_data; struct async_icount cnow; unsigned long flags; local_irq_save(flags); - cnow = info->state->icount; + cnow = info->icount; local_irq_restore(flags); icount->cts = cnow.cts; icount->dsr = cnow.dsr; @@ -1294,7 +1249,7 @@ static int rs_get_icount(struct tty_struct *tty, static int rs_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg) { - struct async_struct * info = tty->driver_data; + struct serial_state *info = tty->driver_data; struct async_icount cprev, cnow; /* kernel counter temps */ void __user *argp = (void __user *)arg; unsigned long flags; @@ -1311,9 +1266,9 @@ static int rs_ioctl(struct tty_struct *tty, switch (cmd) { case TIOCGSERIAL: - return get_serial_info(info, argp); + return get_serial_info(tty, info, argp); case TIOCSSERIAL: - return set_serial_info(info, argp); + return set_serial_info(tty, info, argp); case TIOCSERCONFIG: return 0; @@ -1322,7 +1277,7 @@ static int rs_ioctl(struct tty_struct *tty, case TIOCSERGSTRUCT: if (copy_to_user(argp, - info, sizeof(struct async_struct))) + info, sizeof(struct serial_state))) return -EFAULT; return 0; @@ -1335,15 +1290,15 @@ static int rs_ioctl(struct tty_struct *tty, case TIOCMIWAIT: local_irq_save(flags); /* note the counters on entry */ - cprev = info->state->icount; + cprev = info->icount; local_irq_restore(flags); while (1) { - interruptible_sleep_on(&info->delta_msr_wait); + interruptible_sleep_on(&info->tport.delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; local_irq_save(flags); - cnow = info->state->icount; /* atomic copy */ + cnow = info->icount; /* atomic copy */ local_irq_restore(flags); if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) @@ -1372,11 +1327,11 @@ static int rs_ioctl(struct tty_struct *tty, static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { - struct async_struct *info = tty->driver_data; + struct serial_state *info = tty->driver_data; unsigned long flags; unsigned int cflag = tty->termios->c_cflag; - change_speed(info, old_termios); + change_speed(tty, info, old_termios); /* Handle transition to B0 status */ if ((old_termios->c_cflag & CBAUD) && @@ -1432,64 +1387,23 @@ static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) */ static void rs_close(struct tty_struct *tty, struct file * filp) { - struct async_struct * info = tty->driver_data; - struct serial_state *state; - unsigned long flags; + struct serial_state *state = tty->driver_data; + struct tty_port *port = &state->tport; - if (!info || serial_paranoia_check(info, tty->name, "rs_close")) + if (serial_paranoia_check(state, tty->name, "rs_close")) return; - state = info->state; - - local_irq_save(flags); - - if (tty_hung_up_p(filp)) { - DBG_CNT("before DEC-hung"); - local_irq_restore(flags); + if (tty_port_close_start(port, tty, filp) == 0) return; - } -#ifdef SERIAL_DEBUG_OPEN - printk("rs_close ttys%d, count = %d\n", info->line, state->count); -#endif - if ((tty->count == 1) && (state->count != 1)) { - /* - * Uh, oh. tty->count is 1, which means that the tty - * structure will be freed. state->count should always - * be one in these conditions. If it's greater than - * one, we've got real problems, since it means the - * serial port won't be shutdown. - */ - printk("rs_close: bad serial port count; tty->count is 1, " - "state->count is %d\n", state->count); - state->count = 1; - } - if (--state->count < 0) { - printk("rs_close: bad serial port count for ttys%d: %d\n", - info->line, state->count); - state->count = 0; - } - if (state->count) { - DBG_CNT("before DEC-2"); - local_irq_restore(flags); - return; - } - info->flags |= ASYNC_CLOSING; - /* - * Now we wait for the transmit buffer to clear; and we notify - * the line discipline to only process XON/XOFF characters. - */ - tty->closing = 1; - if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE) - tty_wait_until_sent(tty, info->closing_wait); /* * At this point we stop accepting input. To do this, we * disable the receive line status interrupts, and tell the * interrupt driver to stop checking the data ready bit in the * line status register. */ - info->read_status_mask &= ~UART_LSR_DR; - if (info->flags & ASYNC_INITIALIZED) { + state->read_status_mask &= ~UART_LSR_DR; + if (port->flags & ASYNC_INITIALIZED) { /* disable receive interrupts */ custom.intena = IF_RBF; mb(); @@ -1502,24 +1416,15 @@ static void rs_close(struct tty_struct *tty, struct file * filp) * has completely drained; this is especially * important if there is a transmit FIFO! */ - rs_wait_until_sent(tty, info->timeout); + rs_wait_until_sent(tty, state->timeout); } - shutdown(info); + shutdown(tty, state); rs_flush_buffer(tty); tty_ldisc_flush(tty); - tty->closing = 0; - info->event = 0; - info->tty = NULL; - if (info->blocked_open) { - if (info->close_delay) { - msleep_interruptible(jiffies_to_msecs(info->close_delay)); - } - wake_up_interruptible(&info->open_wait); - } - info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); - wake_up_interruptible(&info->close_wait); - local_irq_restore(flags); + port->tty = NULL; + + tty_port_close_end(port, tty); } /* @@ -1527,7 +1432,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp) */ static void rs_wait_until_sent(struct tty_struct *tty, int timeout) { - struct async_struct * info = tty->driver_data; + struct serial_state *info = tty->driver_data; unsigned long orig_jiffies, char_time; int lsr; @@ -1590,173 +1495,17 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout) */ static void rs_hangup(struct tty_struct *tty) { - struct async_struct * info = tty->driver_data; - struct serial_state *state = info->state; + struct serial_state *info = tty->driver_data; if (serial_paranoia_check(info, tty->name, "rs_hangup")) return; - state = info->state; - rs_flush_buffer(tty); - shutdown(info); - info->event = 0; - state->count = 0; - info->flags &= ~ASYNC_NORMAL_ACTIVE; - info->tty = NULL; - wake_up_interruptible(&info->open_wait); -} - -/* - * ------------------------------------------------------------ - * rs_open() and friends - * ------------------------------------------------------------ - */ -static int block_til_ready(struct tty_struct *tty, struct file * filp, - struct async_struct *info) -{ -#ifdef DECLARE_WAITQUEUE - DECLARE_WAITQUEUE(wait, current); -#else - struct wait_queue wait = { current, NULL }; -#endif - struct serial_state *state = info->state; - int retval; - int do_clocal = 0, extra_count = 0; - unsigned long flags; - - /* - * If the device is in the middle of being closed, then block - * until it's done, and then try again. - */ - if (tty_hung_up_p(filp) || - (info->flags & ASYNC_CLOSING)) { - if (info->flags & ASYNC_CLOSING) - interruptible_sleep_on(&info->close_wait); -#ifdef SERIAL_DO_RESTART - return ((info->flags & ASYNC_HUP_NOTIFY) ? - -EAGAIN : -ERESTARTSYS); -#else - return -EAGAIN; -#endif - } - - /* - * If non-blocking mode is set, or the port is not enabled, - * then make the check up front and then exit. - */ - if ((filp->f_flags & O_NONBLOCK) || - (tty->flags & (1 << TTY_IO_ERROR))) { - info->flags |= ASYNC_NORMAL_ACTIVE; - return 0; - } - - if (tty->termios->c_cflag & CLOCAL) - do_clocal = 1; - - /* - * Block waiting for the carrier detect and the line to become - * free (i.e., not in use by the callout). While we are in - * this loop, state->count is dropped by one, so that - * rs_close() knows when to free things. We restore it upon - * exit, either normal or abnormal. - */ - retval = 0; - add_wait_queue(&info->open_wait, &wait); -#ifdef SERIAL_DEBUG_OPEN - printk("block_til_ready before block: ttys%d, count = %d\n", - state->line, state->count); -#endif - local_irq_save(flags); - if (!tty_hung_up_p(filp)) { - extra_count = 1; - state->count--; - } - local_irq_restore(flags); - info->blocked_open++; - while (1) { - local_irq_save(flags); - if (tty->termios->c_cflag & CBAUD) - rtsdtr_ctrl(SER_DTR|SER_RTS); - local_irq_restore(flags); - set_current_state(TASK_INTERRUPTIBLE); - if (tty_hung_up_p(filp) || - !(info->flags & ASYNC_INITIALIZED)) { -#ifdef SERIAL_DO_RESTART - if (info->flags & ASYNC_HUP_NOTIFY) - retval = -EAGAIN; - else - retval = -ERESTARTSYS; -#else - retval = -EAGAIN; -#endif - break; - } - if (!(info->flags & ASYNC_CLOSING) && - (do_clocal || (!(ciab.pra & SER_DCD)) )) - break; - if (signal_pending(current)) { - retval = -ERESTARTSYS; - break; - } -#ifdef SERIAL_DEBUG_OPEN - printk("block_til_ready blocking: ttys%d, count = %d\n", - info->line, state->count); -#endif - tty_unlock(); - schedule(); - tty_lock(); - } - __set_current_state(TASK_RUNNING); - remove_wait_queue(&info->open_wait, &wait); - if (extra_count) - state->count++; - info->blocked_open--; -#ifdef SERIAL_DEBUG_OPEN - printk("block_til_ready after blocking: ttys%d, count = %d\n", - info->line, state->count); -#endif - if (retval) - return retval; - info->flags |= ASYNC_NORMAL_ACTIVE; - return 0; -} - -static int get_async_struct(int line, struct async_struct **ret_info) -{ - struct async_struct *info; - struct serial_state *sstate; - - sstate = rs_table + line; - sstate->count++; - if (sstate->info) { - *ret_info = sstate->info; - return 0; - } - info = kzalloc(sizeof(struct async_struct), GFP_KERNEL); - if (!info) { - sstate->count--; - return -ENOMEM; - } -#ifdef DECLARE_WAITQUEUE - init_waitqueue_head(&info->open_wait); - init_waitqueue_head(&info->close_wait); - init_waitqueue_head(&info->delta_msr_wait); -#endif - info->magic = SERIAL_MAGIC; - info->port = sstate->port; - info->flags = sstate->flags; - info->xmit_fifo_size = sstate->xmit_fifo_size; - info->line = line; - tasklet_init(&info->tlet, do_softint, (unsigned long)info); - info->state = sstate; - if (sstate->info) { - kfree(info); - *ret_info = sstate->info; - return 0; - } - *ret_info = sstate->info = info; - return 0; + shutdown(tty, info); + info->tport.count = 0; + info->tport.flags &= ~ASYNC_NORMAL_ACTIVE; + info->tport.tty = NULL; + wake_up_interruptible(&info->tport.open_wait); } /* @@ -1767,91 +1516,42 @@ static int get_async_struct(int line, struct async_struct **ret_info) */ static int rs_open(struct tty_struct *tty, struct file * filp) { - struct async_struct *info; - int retval, line; + struct serial_state *info = rs_table + tty->index; + struct tty_port *port = &info->tport; + int retval; - line = tty->index; - if ((line < 0) || (line >= NR_PORTS)) { - return -ENODEV; - } - retval = get_async_struct(line, &info); - if (retval) { - return retval; - } + port->count++; + port->tty = tty; tty->driver_data = info; - info->tty = tty; + tty->port = port; if (serial_paranoia_check(info, tty->name, "rs_open")) return -ENODEV; -#ifdef SERIAL_DEBUG_OPEN - printk("rs_open %s, count = %d\n", tty->name, info->state->count); -#endif - info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + tty->low_latency = (port->flags & ASYNC_LOW_LATENCY) ? 1 : 0; - /* - * If the port is the middle of closing, bail out now - */ - if (tty_hung_up_p(filp) || - (info->flags & ASYNC_CLOSING)) { - if (info->flags & ASYNC_CLOSING) - interruptible_sleep_on(&info->close_wait); -#ifdef SERIAL_DO_RESTART - return ((info->flags & ASYNC_HUP_NOTIFY) ? - -EAGAIN : -ERESTARTSYS); -#else - return -EAGAIN; -#endif - } - - /* - * Start up serial port - */ - retval = startup(info); - if (retval) { - return retval; - } - - retval = block_til_ready(tty, filp, info); + retval = startup(tty, info); if (retval) { -#ifdef SERIAL_DEBUG_OPEN - printk("rs_open returning after block_til_ready with %d\n", - retval); -#endif return retval; } -#ifdef SERIAL_DEBUG_OPEN - printk("rs_open %s successful...", tty->name); -#endif - return 0; + return tty_port_block_til_ready(port, tty, filp); } /* * /proc fs routines.... */ -static inline void line_info(struct seq_file *m, struct serial_state *state) +static inline void line_info(struct seq_file *m, int line, + struct serial_state *state) { - struct async_struct *info = state->info, scr_info; char stat_buf[30], control, status; unsigned long flags; - seq_printf(m, "%d: uart:amiga_builtin",state->line); + seq_printf(m, "%d: uart:amiga_builtin", line); - /* - * Figure out the current RS-232 lines - */ - if (!info) { - info = &scr_info; /* This is just for serial_{in,out} */ - - info->magic = SERIAL_MAGIC; - info->flags = state->flags; - info->quot = 0; - info->tty = NULL; - } local_irq_save(flags); status = ciab.pra; - control = info ? info->MCR : status; + control = (state->tport.flags & ASYNC_INITIALIZED) ? state->MCR : status; local_irq_restore(flags); stat_buf[0] = 0; @@ -1867,9 +1567,8 @@ static inline void line_info(struct seq_file *m, struct serial_state *state) if(!(status & SER_DCD)) strcat(stat_buf, "|CD"); - if (info->quot) { - seq_printf(m, " baud:%d", state->baud_base / info->quot); - } + if (state->quot) + seq_printf(m, " baud:%d", state->baud_base / state->quot); seq_printf(m, " tx:%d rx:%d", state->icount.tx, state->icount.rx); @@ -1894,7 +1593,7 @@ static inline void line_info(struct seq_file *m, struct serial_state *state) static int rs_proc_show(struct seq_file *m, void *v) { seq_printf(m, "serinfo:1.0 driver:%s\n", serial_version); - line_info(m, &rs_table[0]); + line_info(m, 0, &rs_table[0]); return 0; } @@ -1955,6 +1654,32 @@ static const struct tty_operations serial_ops = { .proc_fops = &rs_proc_fops, }; +static int amiga_carrier_raised(struct tty_port *port) +{ + return !(ciab.pra & SER_DCD); +} + +static void amiga_dtr_rts(struct tty_port *port, int raise) +{ + struct serial_state *info = container_of(port, struct serial_state, + tport); + unsigned long flags; + + if (raise) + info->MCR |= SER_DTR|SER_RTS; + else + info->MCR &= ~(SER_DTR|SER_RTS); + + local_irq_save(flags); + rtsdtr_ctrl(info->MCR); + local_irq_restore(flags); +} + +static const struct tty_port_operations amiga_port_ops = { + .carrier_raised = amiga_carrier_raised, + .dtr_rts = amiga_dtr_rts, +}; + /* * The serial driver boot-time initialization code! */ @@ -1964,17 +1689,14 @@ static int __init amiga_serial_probe(struct platform_device *pdev) struct serial_state * state; int error; - serial_driver = alloc_tty_driver(1); + serial_driver = alloc_tty_driver(NR_PORTS); if (!serial_driver) return -ENOMEM; - IRQ_ports = NULL; - show_serial_version(); /* Initialize the tty_driver structure */ - serial_driver->owner = THIS_MODULE; serial_driver->driver_name = "amiserial"; serial_driver->name = "ttyS"; serial_driver->major = TTY_MAJOR; @@ -1992,20 +1714,17 @@ static int __init amiga_serial_probe(struct platform_device *pdev) goto fail_put_tty_driver; state = rs_table; - state->magic = SSTATE_MAGIC; state->port = (int)&custom.serdatr; /* Just to give it a value */ - state->line = 0; state->custom_divisor = 0; - state->close_delay = 5*HZ/10; - state->closing_wait = 30*HZ; state->icount.cts = state->icount.dsr = state->icount.rng = state->icount.dcd = 0; state->icount.rx = state->icount.tx = 0; state->icount.frame = state->icount.parity = 0; state->icount.overrun = state->icount.brk = 0; + tty_port_init(&state->tport); + state->tport.ops = &amiga_port_ops; - printk(KERN_INFO "ttyS%d is the amiga builtin serial port\n", - state->line); + printk(KERN_INFO "ttyS0 is the amiga builtin serial port\n"); /* Hardware set up */ @@ -2058,20 +1777,15 @@ static int __exit amiga_serial_remove(struct platform_device *pdev) { int error; struct serial_state *state = platform_get_drvdata(pdev); - struct async_struct *info = state->info; /* printk("Unloading %s: version %s\n", serial_name, serial_version); */ - tasklet_kill(&info->tlet); if ((error = tty_unregister_driver(serial_driver))) printk("SERIAL: failed to unregister serial driver (%d)\n", error); put_tty_driver(serial_driver); - rs_table[0].info = NULL; - kfree(info); - - free_irq(IRQ_AMIGA_TBE, rs_table); - free_irq(IRQ_AMIGA_RBF, rs_table); + free_irq(IRQ_AMIGA_TBE, state); + free_irq(IRQ_AMIGA_RBF, state); platform_set_drvdata(pdev, NULL); diff --git a/drivers/tty/bfin_jtag_comm.c b/drivers/tty/bfin_jtag_comm.c index 3a997760ec3..946f799861f 100644 --- a/drivers/tty/bfin_jtag_comm.c +++ b/drivers/tty/bfin_jtag_comm.c @@ -257,7 +257,6 @@ static int __init bfin_jc_init(void) if (!bfin_jc_driver) goto err_driver; - bfin_jc_driver->owner = THIS_MODULE; bfin_jc_driver->driver_name = DRV_NAME; bfin_jc_driver->name = DEV_NAME; bfin_jc_driver->type = TTY_DRIVER_TYPE_SERIAL; diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c index c9bf779481d..e61cabdd69d 100644 --- a/drivers/tty/cyclades.c +++ b/drivers/tty/cyclades.c @@ -1515,13 +1515,9 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty) static int cy_open(struct tty_struct *tty, struct file *filp) { struct cyclades_port *info; - unsigned int i, line; + unsigned int i, line = tty->index; int retval; - line = tty->index; - if (tty->index < 0 || NR_PORTS <= line) - return -ENODEV; - for (i = 0; i < NR_CARDS; i++) if (line < cy_card[i].first_line + cy_card[i].nports && line >= cy_card[i].first_line) @@ -2413,7 +2409,7 @@ static int get_lsr_info(struct cyclades_port *info, unsigned int __user *value) /* Not supported yet */ return -EINVAL; } - return put_user(result, (unsigned long __user *)value); + return put_user(result, value); } static int cy_tiocmget(struct tty_struct *tty) @@ -4090,7 +4086,6 @@ static int __init cy_init(void) /* Initialize the tty_driver structure */ - cy_serial_driver->owner = THIS_MODULE; cy_serial_driver->driver_name = "cyclades"; cy_serial_driver->name = "ttyC"; cy_serial_driver->major = CYCLADES_MAJOR; diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c index 1595dba0072..4813684cb63 100644 --- a/drivers/tty/ehv_bytechan.c +++ b/drivers/tty/ehv_bytechan.c @@ -825,7 +825,6 @@ static int __init ehv_bc_init(void) goto error; } - ehv_bc_driver->owner = THIS_MODULE; ehv_bc_driver->driver_name = "ehv-bc"; ehv_bc_driver->name = ehv_bc_console.name; ehv_bc_driver->type = TTY_DRIVER_TYPE_CONSOLE; diff --git a/drivers/tty/hvc/hvc_beat.c b/drivers/tty/hvc/hvc_beat.c index 5fe4631e2a6..1560d235449 100644 --- a/drivers/tty/hvc/hvc_beat.c +++ b/drivers/tty/hvc/hvc_beat.c @@ -113,7 +113,7 @@ static int __init hvc_beat_init(void) if (!firmware_has_feature(FW_FEATURE_BEAT)) return -ENODEV; - hp = hvc_alloc(0, NO_IRQ, &hvc_beat_get_put_ops, 16); + hp = hvc_alloc(0, 0, &hvc_beat_get_put_ops, 16); if (IS_ERR(hp)) return PTR_ERR(hp); hvc_beat_dev = hp; diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index b6b2d18fa38..8880adf5fc6 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -917,7 +917,6 @@ static int hvc_init(void) goto out; } - drv->owner = THIS_MODULE; drv->driver_name = "hvc"; drv->name = "hvc"; drv->major = HVC_MAJOR; diff --git a/drivers/tty/hvc/hvc_rtas.c b/drivers/tty/hvc/hvc_rtas.c index 61c4a61558d..0069bb86ba4 100644 --- a/drivers/tty/hvc/hvc_rtas.c +++ b/drivers/tty/hvc/hvc_rtas.c @@ -94,7 +94,7 @@ static int __init hvc_rtas_init(void) /* Allocate an hvc_struct for the console device we instantiated * earlier. Save off hp so that we can return it on exit */ - hp = hvc_alloc(hvc_rtas_cookie, NO_IRQ, &hvc_rtas_get_put_ops, 16); + hp = hvc_alloc(hvc_rtas_cookie, 0, &hvc_rtas_get_put_ops, 16); if (IS_ERR(hp)) return PTR_ERR(hp); diff --git a/drivers/tty/hvc/hvc_udbg.c b/drivers/tty/hvc/hvc_udbg.c index b0957e61a7b..4c9b13e7748 100644 --- a/drivers/tty/hvc/hvc_udbg.c +++ b/drivers/tty/hvc/hvc_udbg.c @@ -69,7 +69,7 @@ static int __init hvc_udbg_init(void) BUG_ON(hvc_udbg_dev); - hp = hvc_alloc(0, NO_IRQ, &hvc_udbg_ops, 16); + hp = hvc_alloc(0, 0, &hvc_udbg_ops, 16); if (IS_ERR(hp)) return PTR_ERR(hp); diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index 52fdf60bdbe..a1b0a75c3ea 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -176,7 +176,7 @@ static int __init xen_hvc_init(void) xencons_irq = bind_evtchn_to_irq(xen_start_info->console.domU.evtchn); } if (xencons_irq < 0) - xencons_irq = 0; /* NO_IRQ */ + xencons_irq = 0; else irq_set_noprobe(xencons_irq); diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c index b9040bec36b..d23759183b4 100644 --- a/drivers/tty/hvc/hvcs.c +++ b/drivers/tty/hvc/hvcs.c @@ -1090,27 +1090,23 @@ static int hvcs_enable_device(struct hvcs_struct *hvcsd, uint32_t unit_address, */ static struct hvcs_struct *hvcs_get_by_index(int index) { - struct hvcs_struct *hvcsd = NULL; + struct hvcs_struct *hvcsd; unsigned long flags; spin_lock(&hvcs_structs_lock); - /* We can immediately discard OOB requests */ - if (index >= 0 && index < HVCS_MAX_SERVER_ADAPTERS) { - list_for_each_entry(hvcsd, &hvcs_structs, next) { - spin_lock_irqsave(&hvcsd->lock, flags); - if (hvcsd->index == index) { - kref_get(&hvcsd->kref); - spin_unlock_irqrestore(&hvcsd->lock, flags); - spin_unlock(&hvcs_structs_lock); - return hvcsd; - } + list_for_each_entry(hvcsd, &hvcs_structs, next) { + spin_lock_irqsave(&hvcsd->lock, flags); + if (hvcsd->index == index) { + kref_get(&hvcsd->kref); spin_unlock_irqrestore(&hvcsd->lock, flags); + spin_unlock(&hvcs_structs_lock); + return hvcsd; } - hvcsd = NULL; + spin_unlock_irqrestore(&hvcsd->lock, flags); } - spin_unlock(&hvcs_structs_lock); - return hvcsd; + + return NULL; } /* @@ -1203,7 +1199,7 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp) { struct hvcs_struct *hvcsd; unsigned long flags; - int irq = NO_IRQ; + int irq; /* * Is someone trying to close the file associated with this device after @@ -1264,7 +1260,7 @@ static void hvcs_hangup(struct tty_struct * tty) struct hvcs_struct *hvcsd = tty->driver_data; unsigned long flags; int temp_open_count; - int irq = NO_IRQ; + int irq; spin_lock_irqsave(&hvcsd->lock, flags); /* Preserve this so that we know how many kref refs to put */ @@ -1499,8 +1495,6 @@ static int __devinit hvcs_initialize(void) goto index_fail; } - hvcs_tty_driver->owner = THIS_MODULE; - hvcs_tty_driver->driver_name = hvcs_driver_name; hvcs_tty_driver->name = hvcs_device_node; diff --git a/drivers/tty/hvc/hvsi.c b/drivers/tty/hvc/hvsi.c index cdfa3e02d62..a7488b74864 100644 --- a/drivers/tty/hvc/hvsi.c +++ b/drivers/tty/hvc/hvsi.c @@ -737,14 +737,11 @@ static int hvsi_open(struct tty_struct *tty, struct file *filp) { struct hvsi_struct *hp; unsigned long flags; - int line = tty->index; int ret; pr_debug("%s\n", __func__); - if (line < 0 || line >= hvsi_count) - return -ENODEV; - hp = &hvsi_ports[line]; + hp = &hvsi_ports[tty->index]; tty->driver_data = hp; @@ -1088,7 +1085,6 @@ static int __init hvsi_init(void) if (!hvsi_driver) return -ENOMEM; - hvsi_driver->owner = THIS_MODULE; hvsi_driver->driver_name = "hvsi"; hvsi_driver->name = "hvsi"; hvsi_driver->major = HVSI_MAJOR; @@ -1237,7 +1233,7 @@ static int __init hvsi_console_init(void) hp->state = HVSI_CLOSED; hp->vtermno = *vtermno; hp->virq = irq_create_mapping(NULL, irq[0]); - if (hp->virq == NO_IRQ) { + if (hp->virq == 0) { printk(KERN_ERR "%s: couldn't create irq mapping for 0x%x\n", __func__, irq[0]); continue; diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c index ef92869502a..77ceaa9c9e3 100644 --- a/drivers/tty/ipwireless/tty.c +++ b/drivers/tty/ipwireless/tty.c @@ -90,33 +90,23 @@ static void report_deregistering(struct ipw_tty *tty) tty->index); } -static struct ipw_tty *get_tty(int minor) +static struct ipw_tty *get_tty(int index) { - if (minor < ipw_tty_driver->minor_start - || minor >= ipw_tty_driver->minor_start + - IPWIRELESS_PCMCIA_MINORS) + /* + * The 'ras_raw' channel is only available when 'loopback' mode + * is enabled. + * Number of minor starts with 16 (_RANGE * _RAS_RAW). + */ + if (!ipwireless_loopback && index >= + IPWIRELESS_PCMCIA_MINOR_RANGE * TTYTYPE_RAS_RAW) return NULL; - else { - int minor_offset = minor - ipw_tty_driver->minor_start; - - /* - * The 'ras_raw' channel is only available when 'loopback' mode - * is enabled. - * Number of minor starts with 16 (_RANGE * _RAS_RAW). - */ - if (!ipwireless_loopback && - minor_offset >= - IPWIRELESS_PCMCIA_MINOR_RANGE * TTYTYPE_RAS_RAW) - return NULL; - - return ttys[minor_offset]; - } + + return ttys[index]; } static int ipw_open(struct tty_struct *linux_tty, struct file *filp) { - int minor = linux_tty->index; - struct ipw_tty *tty = get_tty(minor); + struct ipw_tty *tty = get_tty(linux_tty->index); if (!tty) return -ENODEV; @@ -510,7 +500,7 @@ static int add_tty(int j, ipwireless_associate_network_tty(network, secondary_channel_idx, ttys[j]); - if (get_tty(j + ipw_tty_driver->minor_start) == ttys[j]) + if (get_tty(j) == ttys[j]) report_registering(ttys[j]); return 0; } @@ -570,7 +560,7 @@ void ipwireless_tty_free(struct ipw_tty *tty) if (ttyj) { mutex_lock(&ttyj->ipw_tty_mutex); - if (get_tty(j + ipw_tty_driver->minor_start) == ttyj) + if (get_tty(j) == ttyj) report_deregistering(ttyj); ttyj->closing = 1; if (ttyj->linux_tty != NULL) { @@ -614,7 +604,6 @@ int ipwireless_tty_init(void) if (!ipw_tty_driver) return -ENOMEM; - ipw_tty_driver->owner = THIS_MODULE; ipw_tty_driver->driver_name = IPWIRELESS_PCCARD_NAME; ipw_tty_driver->name = "ttyIPWp"; ipw_tty_driver->major = 0; diff --git a/drivers/tty/isicom.c b/drivers/tty/isicom.c index e5c295ab5de..03c14979acc 100644 --- a/drivers/tty/isicom.c +++ b/drivers/tty/isicom.c @@ -849,8 +849,6 @@ static struct tty_port *isicom_find_port(struct tty_struct *tty) unsigned int board; int line = tty->index; - if (line < 0 || line > PORT_COUNT-1) - return NULL; board = BOARD(line); card = &isi_card[board]; @@ -1678,7 +1676,6 @@ static int __init isicom_init(void) goto error; } - isicom_normal->owner = THIS_MODULE; isicom_normal->name = "ttyM"; isicom_normal->major = ISICOM_NMAJOR; isicom_normal->minor_start = 0; diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c index d15a071b1a5..8a8d0440bab 100644 --- a/drivers/tty/moxa.c +++ b/drivers/tty/moxa.c @@ -1036,7 +1036,6 @@ static int __init moxa_init(void) if (!moxaDriver) return -ENOMEM; - moxaDriver->owner = THIS_MODULE; moxaDriver->name = "ttyMX"; moxaDriver->major = ttymajor; moxaDriver->minor_start = 0; @@ -1331,7 +1330,7 @@ static void moxa_start(struct tty_struct *tty) if (ch == NULL) return; - if (!(ch->statusflags & TXSTOPPED)) + if (!test_bit(TXSTOPPED, &ch->statusflags)) return; MoxaPortTxEnable(ch); diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 8998d527232..17ff377e412 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -1010,8 +1010,6 @@ static int mxser_open(struct tty_struct *tty, struct file *filp) line = tty->index; if (line == MXSER_PORTS) return 0; - if (line < 0 || line > MXSER_PORTS) - return -ENODEV; info = &mxser_boards[line / MXSER_PORTS_PER_BOARD].ports[line % MXSER_PORTS_PER_BOARD]; if (!info->ioaddr) return -ENODEV; @@ -2658,12 +2656,9 @@ static int __init mxser_module_init(void) MXSER_VERSION); /* Initialize the tty_driver structure */ - mxvar_sdriver->owner = THIS_MODULE; - mxvar_sdriver->magic = TTY_DRIVER_MAGIC; mxvar_sdriver->name = "ttyMI"; mxvar_sdriver->major = ttymajor; mxvar_sdriver->minor_start = 0; - mxvar_sdriver->num = MXSER_PORTS + 1; mxvar_sdriver->type = TTY_DRIVER_TYPE_SERIAL; mxvar_sdriver->subtype = SERIAL_TYPE_NORMAL; mxvar_sdriver->init_termios = tty_std_termios; diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index fc7bbba585c..c43b683b6eb 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -3120,7 +3120,6 @@ static int __init gsm_init(void) pr_err("gsm_init: tty allocation failed.\n"); return -EINVAL; } - gsm_tty_driver->owner = THIS_MODULE; gsm_tty_driver->driver_name = "gsmtty"; gsm_tty_driver->name = "gsmtty"; gsm_tty_driver->major = 0; /* Dynamic */ diff --git a/drivers/tty/nozomi.c b/drivers/tty/nozomi.c index fd347ff34d0..e7592f9037d 100644 --- a/drivers/tty/nozomi.c +++ b/drivers/tty/nozomi.c @@ -1602,13 +1602,9 @@ static int ntty_install(struct tty_driver *driver, struct tty_struct *tty) int ret; if (!port || !dc || dc->state != NOZOMI_STATE_READY) return -ENODEV; - ret = tty_init_termios(tty); - if (ret == 0) { - tty_driver_kref_get(driver); - tty->count++; + ret = tty_standard_install(driver, tty); + if (ret == 0) tty->driver_data = port; - driver->ttys[tty->index] = tty; - } return ret; } @@ -1920,7 +1916,6 @@ static __init int nozomi_init(void) if (!ntty_driver) return -ENOMEM; - ntty_driver->owner = THIS_MODULE; ntty_driver->driver_name = NOZOMI_NAME_TTY; ntty_driver->name = "noz"; ntty_driver->major = 0; diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index d8653ab6f49..f96ecaec24f 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -21,7 +21,6 @@ #include <linux/major.h> #include <linux/mm.h> #include <linux/init.h> -#include <linux/sysctl.h> #include <linux/device.h> #include <linux/uaccess.h> #include <linux/bitops.h> @@ -394,7 +393,6 @@ static void __init legacy_pty_init(void) if (!pty_slave_driver) panic("Couldn't allocate pty slave driver"); - pty_driver->owner = THIS_MODULE; pty_driver->driver_name = "pty_master"; pty_driver->name = "pty"; pty_driver->major = PTY_MASTER_MAJOR; @@ -412,7 +410,6 @@ static void __init legacy_pty_init(void) pty_driver->other = pty_slave_driver; tty_set_operations(pty_driver, &master_pty_ops_bsd); - pty_slave_driver->owner = THIS_MODULE; pty_slave_driver->driver_name = "pty_slave"; pty_slave_driver->name = "ttyp"; pty_slave_driver->major = PTY_SLAVE_MAJOR; @@ -439,55 +436,9 @@ static inline void legacy_pty_init(void) { } /* Unix98 devices */ #ifdef CONFIG_UNIX98_PTYS -/* - * sysctl support for setting limits on the number of Unix98 ptys allocated. - * Otherwise one can eat up all kernel memory by opening /dev/ptmx repeatedly. - */ -int pty_limit = NR_UNIX98_PTY_DEFAULT; -static int pty_limit_min; -static int pty_limit_max = NR_UNIX98_PTY_MAX; -static int pty_count; static struct cdev ptmx_cdev; -static struct ctl_table pty_table[] = { - { - .procname = "max", - .maxlen = sizeof(int), - .mode = 0644, - .data = &pty_limit, - .proc_handler = proc_dointvec_minmax, - .extra1 = &pty_limit_min, - .extra2 = &pty_limit_max, - }, { - .procname = "nr", - .maxlen = sizeof(int), - .mode = 0444, - .data = &pty_count, - .proc_handler = proc_dointvec, - }, - {} -}; - -static struct ctl_table pty_kern_table[] = { - { - .procname = "pty", - .mode = 0555, - .child = pty_table, - }, - {} -}; - -static struct ctl_table pty_root_table[] = { - { - .procname = "kernel", - .mode = 0555, - .child = pty_kern_table, - }, - {} -}; - - static int pty_unix98_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg) { @@ -515,10 +466,8 @@ static int pty_unix98_ioctl(struct tty_struct *tty, static struct tty_struct *ptm_unix98_lookup(struct tty_driver *driver, struct inode *ptm_inode, int idx) { - struct tty_struct *tty = devpts_get_tty(ptm_inode, idx); - if (tty) - tty = tty->link; - return tty; + /* Master must be open via /dev/ptmx */ + return ERR_PTR(-EIO); } /** @@ -589,7 +538,6 @@ static int pty_unix98_install(struct tty_driver *driver, struct tty_struct *tty) */ tty_driver_kref_get(driver); tty->count++; - pty_count++; return 0; err_free_mem: deinitialize_tty_struct(o_tty); @@ -603,7 +551,6 @@ err_free_tty: static void ptm_unix98_remove(struct tty_driver *driver, struct tty_struct *tty) { - pty_count--; } static void pts_unix98_remove(struct tty_driver *driver, struct tty_struct *tty) @@ -677,7 +624,7 @@ static int ptmx_open(struct inode *inode, struct file *filp) mutex_lock(&tty_mutex); tty_lock(); - tty = tty_init_dev(ptm_driver, index, 1); + tty = tty_init_dev(ptm_driver, index); mutex_unlock(&tty_mutex); if (IS_ERR(tty)) { @@ -722,7 +669,6 @@ static void __init unix98_pty_init(void) if (!pts_driver) panic("Couldn't allocate Unix98 pts driver"); - ptm_driver->owner = THIS_MODULE; ptm_driver->driver_name = "pty_master"; ptm_driver->name = "ptm"; ptm_driver->major = UNIX98_PTY_MASTER_MAJOR; @@ -741,7 +687,6 @@ static void __init unix98_pty_init(void) ptm_driver->other = pts_driver; tty_set_operations(ptm_driver, &ptm_unix98_ops); - pts_driver->owner = THIS_MODULE; pts_driver->driver_name = "pty_slave"; pts_driver->name = "pts"; pts_driver->major = UNIX98_PTY_SLAVE_MAJOR; @@ -762,8 +707,6 @@ static void __init unix98_pty_init(void) if (tty_register_driver(pts_driver)) panic("Couldn't register Unix98 pts driver"); - register_sysctl_table(pty_root_table); - /* Now create the /dev/ptmx special device */ tty_default_fops(&ptmx_fops); ptmx_fops.open = ptmx_open; diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c index de88aa5566e..777d5f9cf6c 100644 --- a/drivers/tty/rocket.c +++ b/drivers/tty/rocket.c @@ -892,12 +892,12 @@ static int rp_open(struct tty_struct *tty, struct file *filp) { struct r_port *info; struct tty_port *port; - int line = 0, retval; + int retval; CHANNEL_t *cp; unsigned long page; - line = tty->index; - if (line < 0 || line >= MAX_RP_PORTS || ((info = rp_table[line]) == NULL)) + info = rp_table[tty->index]; + if (info == NULL) return -ENXIO; port = &info->port; @@ -2277,7 +2277,6 @@ static int __init rp_init(void) * driver with the tty layer. */ - rocket_driver->owner = THIS_MODULE; rocket_driver->flags = TTY_DRIVER_DYNAMIC_DEV; rocket_driver->name = "ttyR"; rocket_driver->driver_name = "Comtrol RocketPort"; diff --git a/drivers/tty/serial/21285.c b/drivers/tty/serial/21285.c index 1b37626e8f1..f899996b436 100644 --- a/drivers/tty/serial/21285.c +++ b/drivers/tty/serial/21285.c @@ -331,7 +331,7 @@ static int serial21285_verify_port(struct uart_port *port, struct serial_struct int ret = 0; if (ser->type != PORT_UNKNOWN && ser->type != PORT_21285) ret = -EINVAL; - if (ser->irq != NO_IRQ) + if (ser->irq <= 0) ret = -EINVAL; if (ser->baud_base != port->uartclk / 16) ret = -EINVAL; @@ -360,7 +360,7 @@ static struct uart_ops serial21285_ops = { static struct uart_port serial21285_port = { .mapbase = 0x42000160, .iotype = UPIO_MEM, - .irq = NO_IRQ, + .irq = 0, .fifosize = 16, .ops = &serial21285_ops, .flags = UPF_BOOT_AUTOCONF, diff --git a/drivers/tty/serial/68328serial.c b/drivers/tty/serial/68328serial.c index a88ef9782a4..7398390e7e6 100644 --- a/drivers/tty/serial/68328serial.c +++ b/drivers/tty/serial/68328serial.c @@ -1190,14 +1190,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, int rs_open(struct tty_struct *tty, struct file * filp) { struct m68k_serial *info; - int retval, line; - - line = tty->index; - - if (line >= NR_PORTS || line < 0) /* we have exactly one */ - return -ENODEV; + int retval; - info = &m68k_soft[line]; + info = &m68k_soft[tty->index]; if (serial_paranoia_check(info, tty->name, "rs_open")) return -ENODEV; diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c index 9b7336fcfbb..5b149b466ec 100644 --- a/drivers/tty/serial/8250/8250.c +++ b/drivers/tty/serial/8250/8250.c @@ -38,16 +38,15 @@ #include <linux/nmi.h> #include <linux/mutex.h> #include <linux/slab.h> +#ifdef CONFIG_SPARC +#include <linux/sunserialcore.h> +#endif #include <asm/io.h> #include <asm/irq.h> #include "8250.h" -#ifdef CONFIG_SPARC -#include "../suncore.h" -#endif - /* * Configuration: * share_irqs - whether we pass IRQF_SHARED to request_irq(). This option @@ -86,13 +85,6 @@ static unsigned int skip_txen_test; /* force skip of txen test at init time */ #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) -/* - * We default to IRQ0 for the "no irq" hack. Some - * machine types want others as well - they're free - * to redefine this in their header file. - */ -#define is_real_interrupt(irq) ((irq) != 0) - #ifdef CONFIG_SERIAL_8250_DETECT_IRQ #define CONFIG_SERIAL_DETECT_IRQ 1 #endif @@ -475,9 +467,8 @@ static void set_io_from_upio(struct uart_port *p) } static void -serial_out_sync(struct uart_8250_port *up, int offset, int value) +serial_port_out_sync(struct uart_port *p, int offset, int value) { - struct uart_port *p = &up->port; switch (p->iotype) { case UPIO_MEM: case UPIO_MEM32: @@ -490,30 +481,17 @@ serial_out_sync(struct uart_8250_port *up, int offset, int value) } } -#define serial_in(up, offset) \ - (up->port.serial_in(&(up)->port, (offset))) -#define serial_out(up, offset, value) \ - (up->port.serial_out(&(up)->port, (offset), (value))) -/* - * We used to support using pause I/O for certain machines. We - * haven't supported this for a while, but just in case it's badly - * needed for certain old 386 machines, I've left these #define's - * in.... - */ -#define serial_inp(up, offset) serial_in(up, offset) -#define serial_outp(up, offset, value) serial_out(up, offset, value) - /* Uart divisor latch read */ static inline int _serial_dl_read(struct uart_8250_port *up) { - return serial_inp(up, UART_DLL) | serial_inp(up, UART_DLM) << 8; + return serial_in(up, UART_DLL) | serial_in(up, UART_DLM) << 8; } /* Uart divisor latch write */ static inline void _serial_dl_write(struct uart_8250_port *up, int value) { - serial_outp(up, UART_DLL, value & 0xff); - serial_outp(up, UART_DLM, value >> 8 & 0xff); + serial_out(up, UART_DLL, value & 0xff); + serial_out(up, UART_DLM, value >> 8 & 0xff); } #if defined(CONFIG_MIPS_ALCHEMY) @@ -583,10 +561,10 @@ static unsigned int serial_icr_read(struct uart_8250_port *up, int offset) static void serial8250_clear_fifos(struct uart_8250_port *p) { if (p->capabilities & UART_CAP_FIFO) { - serial_outp(p, UART_FCR, UART_FCR_ENABLE_FIFO); - serial_outp(p, UART_FCR, UART_FCR_ENABLE_FIFO | + serial_out(p, UART_FCR, UART_FCR_ENABLE_FIFO); + serial_out(p, UART_FCR, UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT); - serial_outp(p, UART_FCR, 0); + serial_out(p, UART_FCR, 0); } } @@ -599,15 +577,15 @@ static void serial8250_set_sleep(struct uart_8250_port *p, int sleep) { if (p->capabilities & UART_CAP_SLEEP) { if (p->capabilities & UART_CAP_EFR) { - serial_outp(p, UART_LCR, UART_LCR_CONF_MODE_B); - serial_outp(p, UART_EFR, UART_EFR_ECB); - serial_outp(p, UART_LCR, 0); + serial_out(p, UART_LCR, UART_LCR_CONF_MODE_B); + serial_out(p, UART_EFR, UART_EFR_ECB); + serial_out(p, UART_LCR, 0); } - serial_outp(p, UART_IER, sleep ? UART_IERX_SLEEP : 0); + serial_out(p, UART_IER, sleep ? UART_IERX_SLEEP : 0); if (p->capabilities & UART_CAP_EFR) { - serial_outp(p, UART_LCR, UART_LCR_CONF_MODE_B); - serial_outp(p, UART_EFR, 0); - serial_outp(p, UART_LCR, 0); + serial_out(p, UART_LCR, UART_LCR_CONF_MODE_B); + serial_out(p, UART_EFR, 0); + serial_out(p, UART_LCR, 0); } } } @@ -622,12 +600,12 @@ static int __enable_rsa(struct uart_8250_port *up) unsigned char mode; int result; - mode = serial_inp(up, UART_RSA_MSR); + mode = serial_in(up, UART_RSA_MSR); result = mode & UART_RSA_MSR_FIFO; if (!result) { - serial_outp(up, UART_RSA_MSR, mode | UART_RSA_MSR_FIFO); - mode = serial_inp(up, UART_RSA_MSR); + serial_out(up, UART_RSA_MSR, mode | UART_RSA_MSR_FIFO); + mode = serial_in(up, UART_RSA_MSR); result = mode & UART_RSA_MSR_FIFO; } @@ -646,7 +624,7 @@ static void enable_rsa(struct uart_8250_port *up) spin_unlock_irq(&up->port.lock); } if (up->port.uartclk == SERIAL_RSA_BAUD_BASE * 16) - serial_outp(up, UART_RSA_FRR, 0); + serial_out(up, UART_RSA_FRR, 0); } } @@ -665,12 +643,12 @@ static void disable_rsa(struct uart_8250_port *up) up->port.uartclk == SERIAL_RSA_BAUD_BASE * 16) { spin_lock_irq(&up->port.lock); - mode = serial_inp(up, UART_RSA_MSR); + mode = serial_in(up, UART_RSA_MSR); result = !(mode & UART_RSA_MSR_FIFO); if (!result) { - serial_outp(up, UART_RSA_MSR, mode & ~UART_RSA_MSR_FIFO); - mode = serial_inp(up, UART_RSA_MSR); + serial_out(up, UART_RSA_MSR, mode & ~UART_RSA_MSR_FIFO); + mode = serial_in(up, UART_RSA_MSR); result = !(mode & UART_RSA_MSR_FIFO); } @@ -691,28 +669,28 @@ static int size_fifo(struct uart_8250_port *up) unsigned short old_dl; int count; - old_lcr = serial_inp(up, UART_LCR); - serial_outp(up, UART_LCR, 0); - old_fcr = serial_inp(up, UART_FCR); - old_mcr = serial_inp(up, UART_MCR); - serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO | + old_lcr = serial_in(up, UART_LCR); + serial_out(up, UART_LCR, 0); + old_fcr = serial_in(up, UART_FCR); + old_mcr = serial_in(up, UART_MCR); + serial_out(up, UART_FCR, UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT); - serial_outp(up, UART_MCR, UART_MCR_LOOP); - serial_outp(up, UART_LCR, UART_LCR_CONF_MODE_A); + serial_out(up, UART_MCR, UART_MCR_LOOP); + serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A); old_dl = serial_dl_read(up); serial_dl_write(up, 0x0001); - serial_outp(up, UART_LCR, 0x03); + serial_out(up, UART_LCR, 0x03); for (count = 0; count < 256; count++) - serial_outp(up, UART_TX, count); + serial_out(up, UART_TX, count); mdelay(20);/* FIXME - schedule_timeout */ - for (count = 0; (serial_inp(up, UART_LSR) & UART_LSR_DR) && + for (count = 0; (serial_in(up, UART_LSR) & UART_LSR_DR) && (count < 256); count++) - serial_inp(up, UART_RX); - serial_outp(up, UART_FCR, old_fcr); - serial_outp(up, UART_MCR, old_mcr); - serial_outp(up, UART_LCR, UART_LCR_CONF_MODE_A); + serial_in(up, UART_RX); + serial_out(up, UART_FCR, old_fcr); + serial_out(up, UART_MCR, old_mcr); + serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A); serial_dl_write(up, old_dl); - serial_outp(up, UART_LCR, old_lcr); + serial_out(up, UART_LCR, old_lcr); return count; } @@ -727,20 +705,20 @@ static unsigned int autoconfig_read_divisor_id(struct uart_8250_port *p) unsigned char old_dll, old_dlm, old_lcr; unsigned int id; - old_lcr = serial_inp(p, UART_LCR); - serial_outp(p, UART_LCR, UART_LCR_CONF_MODE_A); + old_lcr = serial_in(p, UART_LCR); + serial_out(p, UART_LCR, UART_LCR_CONF_MODE_A); - old_dll = serial_inp(p, UART_DLL); - old_dlm = serial_inp(p, UART_DLM); + old_dll = serial_in(p, UART_DLL); + old_dlm = serial_in(p, UART_DLM); - serial_outp(p, UART_DLL, 0); - serial_outp(p, UART_DLM, 0); + serial_out(p, UART_DLL, 0); + serial_out(p, UART_DLM, 0); - id = serial_inp(p, UART_DLL) | serial_inp(p, UART_DLM) << 8; + id = serial_in(p, UART_DLL) | serial_in(p, UART_DLM) << 8; - serial_outp(p, UART_DLL, old_dll); - serial_outp(p, UART_DLM, old_dlm); - serial_outp(p, UART_LCR, old_lcr); + serial_out(p, UART_DLL, old_dll); + serial_out(p, UART_DLM, old_dlm); + serial_out(p, UART_LCR, old_lcr); return id; } @@ -850,11 +828,11 @@ static void autoconfig_8250(struct uart_8250_port *up) up->port.type = PORT_8250; scratch = serial_in(up, UART_SCR); - serial_outp(up, UART_SCR, 0xa5); + serial_out(up, UART_SCR, 0xa5); status1 = serial_in(up, UART_SCR); - serial_outp(up, UART_SCR, 0x5a); + serial_out(up, UART_SCR, 0x5a); status2 = serial_in(up, UART_SCR); - serial_outp(up, UART_SCR, scratch); + serial_out(up, UART_SCR, scratch); if (status1 == 0xa5 && status2 == 0x5a) up->port.type = PORT_16450; @@ -885,7 +863,7 @@ static inline int ns16550a_goto_highspeed(struct uart_8250_port *up) } else { status &= ~0xB0; /* Disable LOCK, mask out PRESL[01] */ status |= 0x10; /* 1.625 divisor for baud_base --> 921600 */ - serial_outp(up, 0x04, status); + serial_out(up, 0x04, status); } return 1; } @@ -908,9 +886,9 @@ static void autoconfig_16550a(struct uart_8250_port *up) * Check for presence of the EFR when DLAB is set. * Only ST16C650V1 UARTs pass this test. */ - serial_outp(up, UART_LCR, UART_LCR_CONF_MODE_A); + serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A); if (serial_in(up, UART_EFR) == 0) { - serial_outp(up, UART_EFR, 0xA8); + serial_out(up, UART_EFR, 0xA8); if (serial_in(up, UART_EFR) != 0) { DEBUG_AUTOCONF("EFRv1 "); up->port.type = PORT_16650; @@ -918,7 +896,7 @@ static void autoconfig_16550a(struct uart_8250_port *up) } else { DEBUG_AUTOCONF("Motorola 8xxx DUART "); } - serial_outp(up, UART_EFR, 0); + serial_out(up, UART_EFR, 0); return; } @@ -926,7 +904,7 @@ static void autoconfig_16550a(struct uart_8250_port *up) * Maybe it requires 0xbf to be written to the LCR. * (other ST16C650V2 UARTs, TI16C752A, etc) */ - serial_outp(up, UART_LCR, UART_LCR_CONF_MODE_B); + serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); if (serial_in(up, UART_EFR) == 0 && !broken_efr(up)) { DEBUG_AUTOCONF("EFRv2 "); autoconfig_has_efr(up); @@ -940,23 +918,23 @@ static void autoconfig_16550a(struct uart_8250_port *up) * switch back to bank 2, read it from EXCR1 again and check * it's changed. If so, set baud_base in EXCR2 to 921600. -- dwmw2 */ - serial_outp(up, UART_LCR, 0); + serial_out(up, UART_LCR, 0); status1 = serial_in(up, UART_MCR); - serial_outp(up, UART_LCR, 0xE0); + serial_out(up, UART_LCR, 0xE0); status2 = serial_in(up, 0x02); /* EXCR1 */ if (!((status2 ^ status1) & UART_MCR_LOOP)) { - serial_outp(up, UART_LCR, 0); - serial_outp(up, UART_MCR, status1 ^ UART_MCR_LOOP); - serial_outp(up, UART_LCR, 0xE0); + serial_out(up, UART_LCR, 0); + serial_out(up, UART_MCR, status1 ^ UART_MCR_LOOP); + serial_out(up, UART_LCR, 0xE0); status2 = serial_in(up, 0x02); /* EXCR1 */ - serial_outp(up, UART_LCR, 0); - serial_outp(up, UART_MCR, status1); + serial_out(up, UART_LCR, 0); + serial_out(up, UART_MCR, status1); if ((status2 ^ status1) & UART_MCR_LOOP) { unsigned short quot; - serial_outp(up, UART_LCR, 0xE0); + serial_out(up, UART_LCR, 0xE0); quot = serial_dl_read(up); quot <<= 3; @@ -964,7 +942,7 @@ static void autoconfig_16550a(struct uart_8250_port *up) if (ns16550a_goto_highspeed(up)) serial_dl_write(up, quot); - serial_outp(up, UART_LCR, 0); + serial_out(up, UART_LCR, 0); up->port.uartclk = 921600*16; up->port.type = PORT_NS16550A; @@ -979,15 +957,15 @@ static void autoconfig_16550a(struct uart_8250_port *up) * Try setting it with and without DLAB set. Cheap clones * set bit 5 without DLAB set. */ - serial_outp(up, UART_LCR, 0); - serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO | UART_FCR7_64BYTE); + serial_out(up, UART_LCR, 0); + serial_out(up, UART_FCR, UART_FCR_ENABLE_FIFO | UART_FCR7_64BYTE); status1 = serial_in(up, UART_IIR) >> 5; - serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO); - serial_outp(up, UART_LCR, UART_LCR_CONF_MODE_A); - serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO | UART_FCR7_64BYTE); + serial_out(up, UART_FCR, UART_FCR_ENABLE_FIFO); + serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A); + serial_out(up, UART_FCR, UART_FCR_ENABLE_FIFO | UART_FCR7_64BYTE); status2 = serial_in(up, UART_IIR) >> 5; - serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO); - serial_outp(up, UART_LCR, 0); + serial_out(up, UART_FCR, UART_FCR_ENABLE_FIFO); + serial_out(up, UART_LCR, 0); DEBUG_AUTOCONF("iir1=%d iir2=%d ", status1, status2); @@ -1006,13 +984,13 @@ static void autoconfig_16550a(struct uart_8250_port *up) * already a 1 and maybe locked there before we even start start. */ iersave = serial_in(up, UART_IER); - serial_outp(up, UART_IER, iersave & ~UART_IER_UUE); + serial_out(up, UART_IER, iersave & ~UART_IER_UUE); if (!(serial_in(up, UART_IER) & UART_IER_UUE)) { /* * OK it's in a known zero state, try writing and reading * without disturbing the current state of the other bits. */ - serial_outp(up, UART_IER, iersave | UART_IER_UUE); + serial_out(up, UART_IER, iersave | UART_IER_UUE); if (serial_in(up, UART_IER) & UART_IER_UUE) { /* * It's an Xscale. @@ -1030,7 +1008,7 @@ static void autoconfig_16550a(struct uart_8250_port *up) */ DEBUG_AUTOCONF("Couldn't force IER_UUE to 0 "); } - serial_outp(up, UART_IER, iersave); + serial_out(up, UART_IER, iersave); /* * Exar uarts have EFR in a weird location @@ -1061,24 +1039,25 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) { unsigned char status1, scratch, scratch2, scratch3; unsigned char save_lcr, save_mcr; + struct uart_port *port = &up->port; unsigned long flags; - if (!up->port.iobase && !up->port.mapbase && !up->port.membase) + if (!port->iobase && !port->mapbase && !port->membase) return; DEBUG_AUTOCONF("ttyS%d: autoconf (0x%04lx, 0x%p): ", - serial_index(&up->port), up->port.iobase, up->port.membase); + serial_index(port), port->iobase, port->membase); /* * We really do need global IRQs disabled here - we're going to * be frobbing the chips IRQ enable register to see if it exists. */ - spin_lock_irqsave(&up->port.lock, flags); + spin_lock_irqsave(&port->lock, flags); up->capabilities = 0; up->bugs = 0; - if (!(up->port.flags & UPF_BUGGY_UART)) { + if (!(port->flags & UPF_BUGGY_UART)) { /* * Do a simple existence test first; if we fail this, * there's no point trying anything else. @@ -1092,8 +1071,8 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) * Note: this is safe as long as MCR bit 4 is clear * and the device is in "PC" mode. */ - scratch = serial_inp(up, UART_IER); - serial_outp(up, UART_IER, 0); + scratch = serial_in(up, UART_IER); + serial_out(up, UART_IER, 0); #ifdef __i386__ outb(0xff, 0x080); #endif @@ -1101,13 +1080,13 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) * Mask out IER[7:4] bits for test as some UARTs (e.g. TL * 16C754B) allow only to modify them if an EFR bit is set. */ - scratch2 = serial_inp(up, UART_IER) & 0x0f; - serial_outp(up, UART_IER, 0x0F); + scratch2 = serial_in(up, UART_IER) & 0x0f; + serial_out(up, UART_IER, 0x0F); #ifdef __i386__ outb(0, 0x080); #endif - scratch3 = serial_inp(up, UART_IER) & 0x0f; - serial_outp(up, UART_IER, scratch); + scratch3 = serial_in(up, UART_IER) & 0x0f; + serial_out(up, UART_IER, scratch); if (scratch2 != 0 || scratch3 != 0x0F) { /* * We failed; there's nothing here @@ -1130,10 +1109,10 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) * manufacturer would be stupid enough to design a board * that conflicts with COM 1-4 --- we hope! */ - if (!(up->port.flags & UPF_SKIP_TEST)) { - serial_outp(up, UART_MCR, UART_MCR_LOOP | 0x0A); - status1 = serial_inp(up, UART_MSR) & 0xF0; - serial_outp(up, UART_MCR, save_mcr); + if (!(port->flags & UPF_SKIP_TEST)) { + serial_out(up, UART_MCR, UART_MCR_LOOP | 0x0A); + status1 = serial_in(up, UART_MSR) & 0xF0; + serial_out(up, UART_MCR, save_mcr); if (status1 != 0x90) { DEBUG_AUTOCONF("LOOP test failed (%02x) ", status1); @@ -1150,11 +1129,11 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) * We also initialise the EFR (if any) to zero for later. The * EFR occupies the same register location as the FCR and IIR. */ - serial_outp(up, UART_LCR, UART_LCR_CONF_MODE_B); - serial_outp(up, UART_EFR, 0); - serial_outp(up, UART_LCR, 0); + serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); + serial_out(up, UART_EFR, 0); + serial_out(up, UART_LCR, 0); - serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO); + serial_out(up, UART_FCR, UART_FCR_ENABLE_FIFO); scratch = serial_in(up, UART_IIR) >> 6; DEBUG_AUTOCONF("iir=%d ", scratch); @@ -1164,10 +1143,10 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) autoconfig_8250(up); break; case 1: - up->port.type = PORT_UNKNOWN; + port->type = PORT_UNKNOWN; break; case 2: - up->port.type = PORT_16550; + port->type = PORT_16550; break; case 3: autoconfig_16550a(up); @@ -1178,102 +1157,102 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) /* * Only probe for RSA ports if we got the region. */ - if (up->port.type == PORT_16550A && probeflags & PROBE_RSA) { + if (port->type == PORT_16550A && probeflags & PROBE_RSA) { int i; for (i = 0 ; i < probe_rsa_count; ++i) { - if (probe_rsa[i] == up->port.iobase && - __enable_rsa(up)) { - up->port.type = PORT_RSA; + if (probe_rsa[i] == port->iobase && __enable_rsa(up)) { + port->type = PORT_RSA; break; } } } #endif - serial_outp(up, UART_LCR, save_lcr); + serial_out(up, UART_LCR, save_lcr); - if (up->capabilities != uart_config[up->port.type].flags) { + if (up->capabilities != uart_config[port->type].flags) { printk(KERN_WARNING "ttyS%d: detected caps %08x should be %08x\n", - serial_index(&up->port), up->capabilities, - uart_config[up->port.type].flags); + serial_index(port), up->capabilities, + uart_config[port->type].flags); } - up->port.fifosize = uart_config[up->port.type].fifo_size; - up->capabilities = uart_config[up->port.type].flags; - up->tx_loadsz = uart_config[up->port.type].tx_loadsz; + port->fifosize = uart_config[up->port.type].fifo_size; + up->capabilities = uart_config[port->type].flags; + up->tx_loadsz = uart_config[port->type].tx_loadsz; - if (up->port.type == PORT_UNKNOWN) + if (port->type == PORT_UNKNOWN) goto out; /* * Reset the UART. */ #ifdef CONFIG_SERIAL_8250_RSA - if (up->port.type == PORT_RSA) - serial_outp(up, UART_RSA_FRR, 0); + if (port->type == PORT_RSA) + serial_out(up, UART_RSA_FRR, 0); #endif - serial_outp(up, UART_MCR, save_mcr); + serial_out(up, UART_MCR, save_mcr); serial8250_clear_fifos(up); serial_in(up, UART_RX); if (up->capabilities & UART_CAP_UUE) - serial_outp(up, UART_IER, UART_IER_UUE); + serial_out(up, UART_IER, UART_IER_UUE); else - serial_outp(up, UART_IER, 0); + serial_out(up, UART_IER, 0); out: - spin_unlock_irqrestore(&up->port.lock, flags); - DEBUG_AUTOCONF("type=%s\n", uart_config[up->port.type].name); + spin_unlock_irqrestore(&port->lock, flags); + DEBUG_AUTOCONF("type=%s\n", uart_config[port->type].name); } static void autoconfig_irq(struct uart_8250_port *up) { + struct uart_port *port = &up->port; unsigned char save_mcr, save_ier; unsigned char save_ICP = 0; unsigned int ICP = 0; unsigned long irqs; int irq; - if (up->port.flags & UPF_FOURPORT) { - ICP = (up->port.iobase & 0xfe0) | 0x1f; + if (port->flags & UPF_FOURPORT) { + ICP = (port->iobase & 0xfe0) | 0x1f; save_ICP = inb_p(ICP); outb_p(0x80, ICP); - (void) inb_p(ICP); + inb_p(ICP); } /* forget possible initially masked and pending IRQ */ probe_irq_off(probe_irq_on()); - save_mcr = serial_inp(up, UART_MCR); - save_ier = serial_inp(up, UART_IER); - serial_outp(up, UART_MCR, UART_MCR_OUT1 | UART_MCR_OUT2); + save_mcr = serial_in(up, UART_MCR); + save_ier = serial_in(up, UART_IER); + serial_out(up, UART_MCR, UART_MCR_OUT1 | UART_MCR_OUT2); irqs = probe_irq_on(); - serial_outp(up, UART_MCR, 0); + serial_out(up, UART_MCR, 0); udelay(10); - if (up->port.flags & UPF_FOURPORT) { - serial_outp(up, UART_MCR, + if (port->flags & UPF_FOURPORT) { + serial_out(up, UART_MCR, UART_MCR_DTR | UART_MCR_RTS); } else { - serial_outp(up, UART_MCR, + serial_out(up, UART_MCR, UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2); } - serial_outp(up, UART_IER, 0x0f); /* enable all intrs */ - (void)serial_inp(up, UART_LSR); - (void)serial_inp(up, UART_RX); - (void)serial_inp(up, UART_IIR); - (void)serial_inp(up, UART_MSR); - serial_outp(up, UART_TX, 0xFF); + serial_out(up, UART_IER, 0x0f); /* enable all intrs */ + serial_in(up, UART_LSR); + serial_in(up, UART_RX); + serial_in(up, UART_IIR); + serial_in(up, UART_MSR); + serial_out(up, UART_TX, 0xFF); udelay(20); irq = probe_irq_off(irqs); - serial_outp(up, UART_MCR, save_mcr); - serial_outp(up, UART_IER, save_ier); + serial_out(up, UART_MCR, save_mcr); + serial_out(up, UART_IER, save_ier); - if (up->port.flags & UPF_FOURPORT) + if (port->flags & UPF_FOURPORT) outb_p(save_ICP, ICP); - up->port.irq = (irq > 0) ? irq : 0; + port->irq = (irq > 0) ? irq : 0; } static inline void __stop_tx(struct uart_8250_port *p) @@ -1294,7 +1273,7 @@ static void serial8250_stop_tx(struct uart_port *port) /* * We really want to stop the transmitter from sending. */ - if (up->port.type == PORT_16C950) { + if (port->type == PORT_16C950) { up->acr |= UART_ACR_TXDIS; serial_icr_write(up, UART_ACR, up->acr); } @@ -1307,13 +1286,13 @@ static void serial8250_start_tx(struct uart_port *port) if (!(up->ier & UART_IER_THRI)) { up->ier |= UART_IER_THRI; - serial_out(up, UART_IER, up->ier); + serial_port_out(port, UART_IER, up->ier); if (up->bugs & UART_BUG_TXEN) { unsigned char lsr; lsr = serial_in(up, UART_LSR); up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS; - if ((up->port.type == PORT_RM9000) ? + if ((port->type == PORT_RM9000) ? (lsr & UART_LSR_THRE) : (lsr & UART_LSR_TEMT)) serial8250_tx_chars(up); @@ -1323,7 +1302,7 @@ static void serial8250_start_tx(struct uart_port *port) /* * Re-enable the transmitter if we disabled it. */ - if (up->port.type == PORT_16C950 && up->acr & UART_ACR_TXDIS) { + if (port->type == PORT_16C950 && up->acr & UART_ACR_TXDIS) { up->acr &= ~UART_ACR_TXDIS; serial_icr_write(up, UART_ACR, up->acr); } @@ -1336,7 +1315,7 @@ static void serial8250_stop_rx(struct uart_port *port) up->ier &= ~UART_IER_RLSI; up->port.read_status_mask &= ~UART_LSR_DR; - serial_out(up, UART_IER, up->ier); + serial_port_out(port, UART_IER, up->ier); } static void serial8250_enable_ms(struct uart_port *port) @@ -1349,7 +1328,7 @@ static void serial8250_enable_ms(struct uart_port *port) return; up->ier |= UART_IER_MSI; - serial_out(up, UART_IER, up->ier); + serial_port_out(port, UART_IER, up->ier); } /* @@ -1381,14 +1360,15 @@ static void clear_rx_fifo(struct uart_8250_port *up) unsigned char serial8250_rx_chars(struct uart_8250_port *up, unsigned char lsr) { - struct tty_struct *tty = up->port.state->port.tty; + struct uart_port *port = &up->port; + struct tty_struct *tty = port->state->port.tty; unsigned char ch; int max_count = 256; char flag; do { if (likely(lsr & UART_LSR_DR)) - ch = serial_inp(up, UART_RX); + ch = serial_in(up, UART_RX); else /* * Intel 82571 has a Serial Over Lan device that will @@ -1400,7 +1380,7 @@ serial8250_rx_chars(struct uart_8250_port *up, unsigned char lsr) ch = 0; flag = TTY_NORMAL; - up->port.icount.rx++; + port->icount.rx++; lsr |= up->lsr_saved_flags; up->lsr_saved_flags = 0; @@ -1411,12 +1391,12 @@ serial8250_rx_chars(struct uart_8250_port *up, unsigned char lsr) */ if (lsr & UART_LSR_BI) { lsr &= ~(UART_LSR_FE | UART_LSR_PE); - up->port.icount.brk++; + port->icount.brk++; /* * If tegra port then clear the rx fifo to * accept another break/character. */ - if (up->port.type == PORT_TEGRA) + if (port->type == PORT_TEGRA) clear_rx_fifo(up); /* @@ -1425,19 +1405,19 @@ serial8250_rx_chars(struct uart_8250_port *up, unsigned char lsr) * may get masked by ignore_status_mask * or read_status_mask. */ - if (uart_handle_break(&up->port)) + if (uart_handle_break(port)) goto ignore_char; } else if (lsr & UART_LSR_PE) - up->port.icount.parity++; + port->icount.parity++; else if (lsr & UART_LSR_FE) - up->port.icount.frame++; + port->icount.frame++; if (lsr & UART_LSR_OE) - up->port.icount.overrun++; + port->icount.overrun++; /* * Mask off conditions which should be ignored. */ - lsr &= up->port.read_status_mask; + lsr &= port->read_status_mask; if (lsr & UART_LSR_BI) { DEBUG_INTR("handling break...."); @@ -1447,34 +1427,35 @@ serial8250_rx_chars(struct uart_8250_port *up, unsigned char lsr) else if (lsr & UART_LSR_FE) flag = TTY_FRAME; } - if (uart_handle_sysrq_char(&up->port, ch)) + if (uart_handle_sysrq_char(port, ch)) goto ignore_char; - uart_insert_char(&up->port, lsr, UART_LSR_OE, ch, flag); + uart_insert_char(port, lsr, UART_LSR_OE, ch, flag); ignore_char: - lsr = serial_inp(up, UART_LSR); + lsr = serial_in(up, UART_LSR); } while ((lsr & (UART_LSR_DR | UART_LSR_BI)) && (max_count-- > 0)); - spin_unlock(&up->port.lock); + spin_unlock(&port->lock); tty_flip_buffer_push(tty); - spin_lock(&up->port.lock); + spin_lock(&port->lock); return lsr; } EXPORT_SYMBOL_GPL(serial8250_rx_chars); void serial8250_tx_chars(struct uart_8250_port *up) { - struct circ_buf *xmit = &up->port.state->xmit; + struct uart_port *port = &up->port; + struct circ_buf *xmit = &port->state->xmit; int count; - if (up->port.x_char) { - serial_outp(up, UART_TX, up->port.x_char); - up->port.icount.tx++; - up->port.x_char = 0; + if (port->x_char) { + serial_out(up, UART_TX, port->x_char); + port->icount.tx++; + port->x_char = 0; return; } - if (uart_tx_stopped(&up->port)) { - serial8250_stop_tx(&up->port); + if (uart_tx_stopped(port)) { + serial8250_stop_tx(port); return; } if (uart_circ_empty(xmit)) { @@ -1486,13 +1467,13 @@ void serial8250_tx_chars(struct uart_8250_port *up) do { serial_out(up, UART_TX, xmit->buf[xmit->tail]); xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - up->port.icount.tx++; + port->icount.tx++; if (uart_circ_empty(xmit)) break; } while (--count > 0); if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) - uart_write_wakeup(&up->port); + uart_write_wakeup(port); DEBUG_INTR("THRE..."); @@ -1503,22 +1484,23 @@ EXPORT_SYMBOL_GPL(serial8250_tx_chars); unsigned int serial8250_modem_status(struct uart_8250_port *up) { + struct uart_port *port = &up->port; unsigned int status = serial_in(up, UART_MSR); status |= up->msr_saved_flags; up->msr_saved_flags = 0; if (status & UART_MSR_ANY_DELTA && up->ier & UART_IER_MSI && - up->port.state != NULL) { + port->state != NULL) { if (status & UART_MSR_TERI) - up->port.icount.rng++; + port->icount.rng++; if (status & UART_MSR_DDSR) - up->port.icount.dsr++; + port->icount.dsr++; if (status & UART_MSR_DDCD) - uart_handle_dcd_change(&up->port, status & UART_MSR_DCD); + uart_handle_dcd_change(port, status & UART_MSR_DCD); if (status & UART_MSR_DCTS) - uart_handle_cts_change(&up->port, status & UART_MSR_CTS); + uart_handle_cts_change(port, status & UART_MSR_CTS); - wake_up_interruptible(&up->port.state->port.delta_msr_wait); + wake_up_interruptible(&port->state->port.delta_msr_wait); } return status; @@ -1538,9 +1520,9 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir) if (iir & UART_IIR_NO_INT) return 0; - spin_lock_irqsave(&up->port.lock, flags); + spin_lock_irqsave(&port->lock, flags); - status = serial_inp(up, UART_LSR); + status = serial_port_in(port, UART_LSR); DEBUG_INTR("status = %x...", status); @@ -1550,16 +1532,14 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir) if (status & UART_LSR_THRE) serial8250_tx_chars(up); - spin_unlock_irqrestore(&up->port.lock, flags); + spin_unlock_irqrestore(&port->lock, flags); return 1; } EXPORT_SYMBOL_GPL(serial8250_handle_irq); static int serial8250_default_handle_irq(struct uart_port *port) { - struct uart_8250_port *up = - container_of(port, struct uart_8250_port, port); - unsigned int iir = serial_in(up, UART_IIR); + unsigned int iir = serial_port_in(port, UART_IIR); return serial8250_handle_irq(port, iir); } @@ -1750,7 +1730,7 @@ static void serial8250_backup_timeout(unsigned long data) * Must disable interrupts or else we risk racing with the interrupt * based handler. */ - if (is_real_interrupt(up->port.irq)) { + if (up->port.irq) { ier = serial_in(up, UART_IER); serial_out(up, UART_IER, 0); } @@ -1775,7 +1755,7 @@ static void serial8250_backup_timeout(unsigned long data) if (!(iir & UART_IIR_NO_INT)) serial8250_tx_chars(up); - if (is_real_interrupt(up->port.irq)) + if (up->port.irq) serial_out(up, UART_IER, ier); spin_unlock_irqrestore(&up->port.lock, flags); @@ -1792,10 +1772,10 @@ static unsigned int serial8250_tx_empty(struct uart_port *port) unsigned long flags; unsigned int lsr; - spin_lock_irqsave(&up->port.lock, flags); - lsr = serial_in(up, UART_LSR); + spin_lock_irqsave(&port->lock, flags); + lsr = serial_port_in(port, UART_LSR); up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS; - spin_unlock_irqrestore(&up->port.lock, flags); + spin_unlock_irqrestore(&port->lock, flags); return (lsr & BOTH_EMPTY) == BOTH_EMPTY ? TIOCSER_TEMT : 0; } @@ -1840,7 +1820,7 @@ static void serial8250_set_mctrl(struct uart_port *port, unsigned int mctrl) mcr = (mcr & up->mcr_mask) | up->mcr_force | up->mcr; - serial_out(up, UART_MCR, mcr); + serial_port_out(port, UART_MCR, mcr); } static void serial8250_break_ctl(struct uart_port *port, int break_state) @@ -1849,13 +1829,13 @@ static void serial8250_break_ctl(struct uart_port *port, int break_state) container_of(port, struct uart_8250_port, port); unsigned long flags; - spin_lock_irqsave(&up->port.lock, flags); + spin_lock_irqsave(&port->lock, flags); if (break_state == -1) up->lcr |= UART_LCR_SBC; else up->lcr &= ~UART_LCR_SBC; - serial_out(up, UART_LCR, up->lcr); - spin_unlock_irqrestore(&up->port.lock, flags); + serial_port_out(port, UART_LCR, up->lcr); + spin_unlock_irqrestore(&port->lock, flags); } /* @@ -1900,14 +1880,12 @@ static void wait_for_xmitr(struct uart_8250_port *up, int bits) static int serial8250_get_poll_char(struct uart_port *port) { - struct uart_8250_port *up = - container_of(port, struct uart_8250_port, port); - unsigned char lsr = serial_inp(up, UART_LSR); + unsigned char lsr = serial_port_in(port, UART_LSR); if (!(lsr & UART_LSR_DR)) return NO_POLL_CHAR; - return serial_inp(up, UART_RX); + return serial_port_in(port, UART_RX); } @@ -1921,21 +1899,21 @@ static void serial8250_put_poll_char(struct uart_port *port, /* * First save the IER then disable the interrupts */ - ier = serial_in(up, UART_IER); + ier = serial_port_in(port, UART_IER); if (up->capabilities & UART_CAP_UUE) - serial_out(up, UART_IER, UART_IER_UUE); + serial_port_out(port, UART_IER, UART_IER_UUE); else - serial_out(up, UART_IER, 0); + serial_port_out(port, UART_IER, 0); wait_for_xmitr(up, BOTH_EMPTY); /* * Send the character out. * If a LF, also do CR... */ - serial_out(up, UART_TX, c); + serial_port_out(port, UART_TX, c); if (c == 10) { wait_for_xmitr(up, BOTH_EMPTY); - serial_out(up, UART_TX, 13); + serial_port_out(port, UART_TX, 13); } /* @@ -1943,7 +1921,7 @@ static void serial8250_put_poll_char(struct uart_port *port, * and restore the IER */ wait_for_xmitr(up, BOTH_EMPTY); - serial_out(up, UART_IER, ier); + serial_port_out(port, UART_IER, ier); } #endif /* CONFIG_CONSOLE_POLL */ @@ -1956,25 +1934,25 @@ static int serial8250_startup(struct uart_port *port) unsigned char lsr, iir; int retval; - up->port.fifosize = uart_config[up->port.type].fifo_size; + port->fifosize = uart_config[up->port.type].fifo_size; up->tx_loadsz = uart_config[up->port.type].tx_loadsz; up->capabilities = uart_config[up->port.type].flags; up->mcr = 0; - if (up->port.iotype != up->cur_iotype) + if (port->iotype != up->cur_iotype) set_io_from_upio(port); - if (up->port.type == PORT_16C950) { + if (port->type == PORT_16C950) { /* Wake up and initialize UART */ up->acr = 0; - serial_outp(up, UART_LCR, UART_LCR_CONF_MODE_B); - serial_outp(up, UART_EFR, UART_EFR_ECB); - serial_outp(up, UART_IER, 0); - serial_outp(up, UART_LCR, 0); + serial_port_out(port, UART_LCR, UART_LCR_CONF_MODE_B); + serial_port_out(port, UART_EFR, UART_EFR_ECB); + serial_port_out(port, UART_IER, 0); + serial_port_out(port, UART_LCR, 0); serial_icr_write(up, UART_CSR, 0); /* Reset the UART */ - serial_outp(up, UART_LCR, UART_LCR_CONF_MODE_B); - serial_outp(up, UART_EFR, UART_EFR_ECB); - serial_outp(up, UART_LCR, 0); + serial_port_out(port, UART_LCR, UART_LCR_CONF_MODE_B); + serial_port_out(port, UART_EFR, UART_EFR_ECB); + serial_port_out(port, UART_LCR, 0); } #ifdef CONFIG_SERIAL_8250_RSA @@ -1994,41 +1972,43 @@ static int serial8250_startup(struct uart_port *port) /* * Clear the interrupt registers. */ - (void) serial_inp(up, UART_LSR); - (void) serial_inp(up, UART_RX); - (void) serial_inp(up, UART_IIR); - (void) serial_inp(up, UART_MSR); + serial_port_in(port, UART_LSR); + serial_port_in(port, UART_RX); + serial_port_in(port, UART_IIR); + serial_port_in(port, UART_MSR); /* * At this point, there's no way the LSR could still be 0xff; * if it is, then bail out, because there's likely no UART * here. */ - if (!(up->port.flags & UPF_BUGGY_UART) && - (serial_inp(up, UART_LSR) == 0xff)) { + if (!(port->flags & UPF_BUGGY_UART) && + (serial_port_in(port, UART_LSR) == 0xff)) { printk_ratelimited(KERN_INFO "ttyS%d: LSR safety check engaged!\n", - serial_index(&up->port)); + serial_index(port)); return -ENODEV; } /* * For a XR16C850, we need to set the trigger levels */ - if (up->port.type == PORT_16850) { + if (port->type == PORT_16850) { unsigned char fctr; - serial_outp(up, UART_LCR, UART_LCR_CONF_MODE_B); + serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); - fctr = serial_inp(up, UART_FCTR) & ~(UART_FCTR_RX|UART_FCTR_TX); - serial_outp(up, UART_FCTR, fctr | UART_FCTR_TRGD | UART_FCTR_RX); - serial_outp(up, UART_TRG, UART_TRG_96); - serial_outp(up, UART_FCTR, fctr | UART_FCTR_TRGD | UART_FCTR_TX); - serial_outp(up, UART_TRG, UART_TRG_96); + fctr = serial_in(up, UART_FCTR) & ~(UART_FCTR_RX|UART_FCTR_TX); + serial_port_out(port, UART_FCTR, + fctr | UART_FCTR_TRGD | UART_FCTR_RX); + serial_port_out(port, UART_TRG, UART_TRG_96); + serial_port_out(port, UART_FCTR, + fctr | UART_FCTR_TRGD | UART_FCTR_TX); + serial_port_out(port, UART_TRG, UART_TRG_96); - serial_outp(up, UART_LCR, 0); + serial_port_out(port, UART_LCR, 0); } - if (is_real_interrupt(up->port.irq)) { + if (port->irq) { unsigned char iir1; /* * Test for UARTs that do not reassert THRE when the @@ -2038,23 +2018,23 @@ static int serial8250_startup(struct uart_port *port) * the interrupt is enabled. Delays are necessary to * allow register changes to become visible. */ - spin_lock_irqsave(&up->port.lock, flags); + spin_lock_irqsave(&port->lock, flags); if (up->port.irqflags & IRQF_SHARED) - disable_irq_nosync(up->port.irq); + disable_irq_nosync(port->irq); wait_for_xmitr(up, UART_LSR_THRE); - serial_out_sync(up, UART_IER, UART_IER_THRI); + serial_port_out_sync(port, UART_IER, UART_IER_THRI); udelay(1); /* allow THRE to set */ - iir1 = serial_in(up, UART_IIR); - serial_out(up, UART_IER, 0); - serial_out_sync(up, UART_IER, UART_IER_THRI); + iir1 = serial_port_in(port, UART_IIR); + serial_port_out(port, UART_IER, 0); + serial_port_out_sync(port, UART_IER, UART_IER_THRI); udelay(1); /* allow a working UART time to re-assert THRE */ - iir = serial_in(up, UART_IIR); - serial_out(up, UART_IER, 0); + iir = serial_port_in(port, UART_IIR); + serial_port_out(port, UART_IER, 0); - if (up->port.irqflags & IRQF_SHARED) - enable_irq(up->port.irq); - spin_unlock_irqrestore(&up->port.lock, flags); + if (port->irqflags & IRQF_SHARED) + enable_irq(port->irq); + spin_unlock_irqrestore(&port->lock, flags); /* * If the interrupt is not reasserted, setup a timer to @@ -2083,7 +2063,7 @@ static int serial8250_startup(struct uart_port *port) * hardware interrupt, we use a timer-based system. The original * driver used to do this with IRQ0. */ - if (!is_real_interrupt(up->port.irq)) { + if (!port->irq) { up->timer.data = (unsigned long)up; mod_timer(&up->timer, jiffies + uart_poll_timeout(port)); } else { @@ -2095,20 +2075,20 @@ static int serial8250_startup(struct uart_port *port) /* * Now, initialize the UART */ - serial_outp(up, UART_LCR, UART_LCR_WLEN8); + serial_port_out(port, UART_LCR, UART_LCR_WLEN8); - spin_lock_irqsave(&up->port.lock, flags); + spin_lock_irqsave(&port->lock, flags); if (up->port.flags & UPF_FOURPORT) { - if (!is_real_interrupt(up->port.irq)) + if (!up->port.irq) up->port.mctrl |= TIOCM_OUT1; } else /* * Most PC uarts need OUT2 raised to enable interrupts. */ - if (is_real_interrupt(up->port.irq)) + if (port->irq) up->port.mctrl |= TIOCM_OUT2; - serial8250_set_mctrl(&up->port, up->port.mctrl); + serial8250_set_mctrl(port, port->mctrl); /* Serial over Lan (SoL) hack: Intel 8257x Gigabit ethernet chips have a @@ -2128,10 +2108,10 @@ static int serial8250_startup(struct uart_port *port) * Do a quick test to see if we receive an * interrupt when we enable the TX irq. */ - serial_outp(up, UART_IER, UART_IER_THRI); - lsr = serial_in(up, UART_LSR); - iir = serial_in(up, UART_IIR); - serial_outp(up, UART_IER, 0); + serial_port_out(port, UART_IER, UART_IER_THRI); + lsr = serial_port_in(port, UART_LSR); + iir = serial_port_in(port, UART_IIR); + serial_port_out(port, UART_IER, 0); if (lsr & UART_LSR_TEMT && iir & UART_IIR_NO_INT) { if (!(up->bugs & UART_BUG_TXEN)) { @@ -2144,17 +2124,17 @@ static int serial8250_startup(struct uart_port *port) } dont_test_tx_en: - spin_unlock_irqrestore(&up->port.lock, flags); + spin_unlock_irqrestore(&port->lock, flags); /* * Clear the interrupt registers again for luck, and clear the * saved flags to avoid getting false values from polling * routines or the previous session. */ - serial_inp(up, UART_LSR); - serial_inp(up, UART_RX); - serial_inp(up, UART_IIR); - serial_inp(up, UART_MSR); + serial_port_in(port, UART_LSR); + serial_port_in(port, UART_RX); + serial_port_in(port, UART_IIR); + serial_port_in(port, UART_MSR); up->lsr_saved_flags = 0; up->msr_saved_flags = 0; @@ -2164,16 +2144,16 @@ dont_test_tx_en: * anyway, so we don't enable them here. */ up->ier = UART_IER_RLSI | UART_IER_RDI; - serial_outp(up, UART_IER, up->ier); + serial_port_out(port, UART_IER, up->ier); - if (up->port.flags & UPF_FOURPORT) { + if (port->flags & UPF_FOURPORT) { unsigned int icp; /* * Enable interrupts on the AST Fourport board */ - icp = (up->port.iobase & 0xfe0) | 0x01f; + icp = (port->iobase & 0xfe0) | 0x01f; outb_p(0x80, icp); - (void) inb_p(icp); + inb_p(icp); } return 0; @@ -2189,23 +2169,24 @@ static void serial8250_shutdown(struct uart_port *port) * Disable interrupts from this port */ up->ier = 0; - serial_outp(up, UART_IER, 0); + serial_port_out(port, UART_IER, 0); - spin_lock_irqsave(&up->port.lock, flags); - if (up->port.flags & UPF_FOURPORT) { + spin_lock_irqsave(&port->lock, flags); + if (port->flags & UPF_FOURPORT) { /* reset interrupts on the AST Fourport board */ - inb((up->port.iobase & 0xfe0) | 0x1f); - up->port.mctrl |= TIOCM_OUT1; + inb((port->iobase & 0xfe0) | 0x1f); + port->mctrl |= TIOCM_OUT1; } else - up->port.mctrl &= ~TIOCM_OUT2; + port->mctrl &= ~TIOCM_OUT2; - serial8250_set_mctrl(&up->port, up->port.mctrl); - spin_unlock_irqrestore(&up->port.lock, flags); + serial8250_set_mctrl(port, port->mctrl); + spin_unlock_irqrestore(&port->lock, flags); /* * Disable break condition and FIFOs */ - serial_out(up, UART_LCR, serial_inp(up, UART_LCR) & ~UART_LCR_SBC); + serial_port_out(port, UART_LCR, + serial_port_in(port, UART_LCR) & ~UART_LCR_SBC); serial8250_clear_fifos(up); #ifdef CONFIG_SERIAL_8250_RSA @@ -2219,11 +2200,11 @@ static void serial8250_shutdown(struct uart_port *port) * Read data port to reset things, and then unlink from * the IRQ chain. */ - (void) serial_in(up, UART_RX); + serial_port_in(port, UART_RX); del_timer_sync(&up->timer); up->timer.function = serial8250_timeout; - if (is_real_interrupt(up->port.irq)) + if (port->irq) serial_unlink_irq_chain(up); } @@ -2298,11 +2279,11 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, if (up->bugs & UART_BUG_QUOT && (quot & 0xff) == 0) quot++; - if (up->capabilities & UART_CAP_FIFO && up->port.fifosize > 1) { + if (up->capabilities & UART_CAP_FIFO && port->fifosize > 1) { if (baud < 2400) fcr = UART_FCR_ENABLE_FIFO | UART_FCR_TRIGGER_1; else - fcr = uart_config[up->port.type].fcr; + fcr = uart_config[port->type].fcr; } /* @@ -2313,7 +2294,7 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, * have sufficient FIFO entries for the latency of the remote * UART to respond. IOW, at least 32 bytes of FIFO. */ - if (up->capabilities & UART_CAP_AFE && up->port.fifosize >= 32) { + if (up->capabilities & UART_CAP_AFE && port->fifosize >= 32) { up->mcr &= ~UART_MCR_AFE; if (termios->c_cflag & CRTSCTS) up->mcr |= UART_MCR_AFE; @@ -2323,40 +2304,40 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, * Ok, we're now changing the port state. Do it with * interrupts disabled. */ - spin_lock_irqsave(&up->port.lock, flags); + spin_lock_irqsave(&port->lock, flags); /* * Update the per-port timeout. */ uart_update_timeout(port, termios->c_cflag, baud); - up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; + port->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; if (termios->c_iflag & INPCK) - up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE; + port->read_status_mask |= UART_LSR_FE | UART_LSR_PE; if (termios->c_iflag & (BRKINT | PARMRK)) - up->port.read_status_mask |= UART_LSR_BI; + port->read_status_mask |= UART_LSR_BI; /* * Characteres to ignore */ - up->port.ignore_status_mask = 0; + port->ignore_status_mask = 0; if (termios->c_iflag & IGNPAR) - up->port.ignore_status_mask |= UART_LSR_PE | UART_LSR_FE; + port->ignore_status_mask |= UART_LSR_PE | UART_LSR_FE; if (termios->c_iflag & IGNBRK) { - up->port.ignore_status_mask |= UART_LSR_BI; + port->ignore_status_mask |= UART_LSR_BI; /* * If we're ignoring parity and break indicators, * ignore overruns too (for real raw support). */ if (termios->c_iflag & IGNPAR) - up->port.ignore_status_mask |= UART_LSR_OE; + port->ignore_status_mask |= UART_LSR_OE; } /* * ignore all characters if CREAD is not set */ if ((termios->c_cflag & CREAD) == 0) - up->port.ignore_status_mask |= UART_LSR_DR; + port->ignore_status_mask |= UART_LSR_DR; /* * CTS flow control flag and modem status interrupts @@ -2370,7 +2351,7 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, if (up->capabilities & UART_CAP_RTOIE) up->ier |= UART_IER_RTOIE; - serial_out(up, UART_IER, up->ier); + serial_port_out(port, UART_IER, up->ier); if (up->capabilities & UART_CAP_EFR) { unsigned char efr = 0; @@ -2382,11 +2363,11 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, if (termios->c_cflag & CRTSCTS) efr |= UART_EFR_CTS; - serial_outp(up, UART_LCR, UART_LCR_CONF_MODE_B); - if (up->port.flags & UPF_EXAR_EFR) - serial_outp(up, UART_XR_EFR, efr); + serial_port_out(port, UART_LCR, UART_LCR_CONF_MODE_B); + if (port->flags & UPF_EXAR_EFR) + serial_port_out(port, UART_XR_EFR, efr); else - serial_outp(up, UART_EFR, efr); + serial_port_out(port, UART_EFR, efr); } #ifdef CONFIG_ARCH_OMAP @@ -2394,18 +2375,20 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, if (cpu_is_omap1510() && is_omap_port(up)) { if (baud == 115200) { quot = 1; - serial_out(up, UART_OMAP_OSC_12M_SEL, 1); + serial_port_out(port, UART_OMAP_OSC_12M_SEL, 1); } else - serial_out(up, UART_OMAP_OSC_12M_SEL, 0); + serial_port_out(port, UART_OMAP_OSC_12M_SEL, 0); } #endif - if (up->capabilities & UART_NATSEMI) { - /* Switch to bank 2 not bank 1, to avoid resetting EXCR2 */ - serial_outp(up, UART_LCR, 0xe0); - } else { - serial_outp(up, UART_LCR, cval | UART_LCR_DLAB);/* set DLAB */ - } + /* + * For NatSemi, switch to bank 2 not bank 1, to avoid resetting EXCR2, + * otherwise just set DLAB + */ + if (up->capabilities & UART_NATSEMI) + serial_port_out(port, UART_LCR, 0xe0); + else + serial_port_out(port, UART_LCR, cval | UART_LCR_DLAB); serial_dl_write(up, quot); @@ -2413,20 +2396,19 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, * LCR DLAB must be set to enable 64-byte FIFO mode. If the FCR * is written without DLAB set, this mode will be disabled. */ - if (up->port.type == PORT_16750) - serial_outp(up, UART_FCR, fcr); + if (port->type == PORT_16750) + serial_port_out(port, UART_FCR, fcr); - serial_outp(up, UART_LCR, cval); /* reset DLAB */ + serial_port_out(port, UART_LCR, cval); /* reset DLAB */ up->lcr = cval; /* Save LCR */ - if (up->port.type != PORT_16750) { - if (fcr & UART_FCR_ENABLE_FIFO) { - /* emulated UARTs (Lucent Venus 167x) need two steps */ - serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO); - } - serial_outp(up, UART_FCR, fcr); /* set fcr */ - } - serial8250_set_mctrl(&up->port, up->port.mctrl); - spin_unlock_irqrestore(&up->port.lock, flags); + if (port->type != PORT_16750) { + /* emulated UARTs (Lucent Venus 167x) need two steps */ + if (fcr & UART_FCR_ENABLE_FIFO) + serial_port_out(port, UART_FCR, UART_FCR_ENABLE_FIFO); + serial_port_out(port, UART_FCR, fcr); /* set fcr */ + } + serial8250_set_mctrl(port, port->mctrl); + spin_unlock_irqrestore(&port->lock, flags); /* Don't rewrite B0 */ if (tty_termios_baud_rate(termios)) tty_termios_encode_baud_rate(termios, baud, baud); @@ -2491,26 +2473,26 @@ static unsigned int serial8250_port_size(struct uart_8250_port *pt) static int serial8250_request_std_resource(struct uart_8250_port *up) { unsigned int size = serial8250_port_size(up); + struct uart_port *port = &up->port; int ret = 0; - switch (up->port.iotype) { + switch (port->iotype) { case UPIO_AU: case UPIO_TSI: case UPIO_MEM32: case UPIO_MEM: - if (!up->port.mapbase) + if (!port->mapbase) break; - if (!request_mem_region(up->port.mapbase, size, "serial")) { + if (!request_mem_region(port->mapbase, size, "serial")) { ret = -EBUSY; break; } - if (up->port.flags & UPF_IOREMAP) { - up->port.membase = ioremap_nocache(up->port.mapbase, - size); - if (!up->port.membase) { - release_mem_region(up->port.mapbase, size); + if (port->flags & UPF_IOREMAP) { + port->membase = ioremap_nocache(port->mapbase, size); + if (!port->membase) { + release_mem_region(port->mapbase, size); ret = -ENOMEM; } } @@ -2518,7 +2500,7 @@ static int serial8250_request_std_resource(struct uart_8250_port *up) case UPIO_HUB6: case UPIO_PORT: - if (!request_region(up->port.iobase, size, "serial")) + if (!request_region(port->iobase, size, "serial")) ret = -EBUSY; break; } @@ -2528,26 +2510,27 @@ static int serial8250_request_std_resource(struct uart_8250_port *up) static void serial8250_release_std_resource(struct uart_8250_port *up) { unsigned int size = serial8250_port_size(up); + struct uart_port *port = &up->port; - switch (up->port.iotype) { + switch (port->iotype) { case UPIO_AU: case UPIO_TSI: case UPIO_MEM32: case UPIO_MEM: - if (!up->port.mapbase) + if (!port->mapbase) break; - if (up->port.flags & UPF_IOREMAP) { - iounmap(up->port.membase); - up->port.membase = NULL; + if (port->flags & UPF_IOREMAP) { + iounmap(port->membase); + port->membase = NULL; } - release_mem_region(up->port.mapbase, size); + release_mem_region(port->mapbase, size); break; case UPIO_HUB6: case UPIO_PORT: - release_region(up->port.iobase, size); + release_region(port->iobase, size); break; } } @@ -2556,12 +2539,13 @@ static int serial8250_request_rsa_resource(struct uart_8250_port *up) { unsigned long start = UART_RSA_BASE << up->port.regshift; unsigned int size = 8 << up->port.regshift; + struct uart_port *port = &up->port; int ret = -EINVAL; - switch (up->port.iotype) { + switch (port->iotype) { case UPIO_HUB6: case UPIO_PORT: - start += up->port.iobase; + start += port->iobase; if (request_region(start, size, "serial-rsa")) ret = 0; else @@ -2576,11 +2560,12 @@ static void serial8250_release_rsa_resource(struct uart_8250_port *up) { unsigned long offset = UART_RSA_BASE << up->port.regshift; unsigned int size = 8 << up->port.regshift; + struct uart_port *port = &up->port; - switch (up->port.iotype) { + switch (port->iotype) { case UPIO_HUB6: case UPIO_PORT: - release_region(up->port.iobase + offset, size); + release_region(port->iobase + offset, size); break; } } @@ -2591,7 +2576,7 @@ static void serial8250_release_port(struct uart_port *port) container_of(port, struct uart_8250_port, port); serial8250_release_std_resource(up); - if (up->port.type == PORT_RSA) + if (port->type == PORT_RSA) serial8250_release_rsa_resource(up); } @@ -2602,7 +2587,7 @@ static int serial8250_request_port(struct uart_port *port) int ret = 0; ret = serial8250_request_std_resource(up); - if (ret == 0 && up->port.type == PORT_RSA) { + if (ret == 0 && port->type == PORT_RSA) { ret = serial8250_request_rsa_resource(up); if (ret < 0) serial8250_release_std_resource(up); @@ -2630,22 +2615,22 @@ static void serial8250_config_port(struct uart_port *port, int flags) if (ret < 0) probeflags &= ~PROBE_RSA; - if (up->port.iotype != up->cur_iotype) + if (port->iotype != up->cur_iotype) set_io_from_upio(port); if (flags & UART_CONFIG_TYPE) autoconfig(up, probeflags); /* if access method is AU, it is a 16550 with a quirk */ - if (up->port.type == PORT_16550A && up->port.iotype == UPIO_AU) + if (port->type == PORT_16550A && port->iotype == UPIO_AU) up->bugs |= UART_BUG_NOMSR; - if (up->port.type != PORT_UNKNOWN && flags & UART_CONFIG_IRQ) + if (port->type != PORT_UNKNOWN && flags & UART_CONFIG_IRQ) autoconfig_irq(up); - if (up->port.type != PORT_RSA && probeflags & PROBE_RSA) + if (port->type != PORT_RSA && probeflags & PROBE_RSA) serial8250_release_rsa_resource(up); - if (up->port.type == PORT_UNKNOWN) + if (port->type == PORT_UNKNOWN) serial8250_release_std_resource(up); } @@ -2719,9 +2704,10 @@ static void __init serial8250_isa_init_ports(void) for (i = 0; i < nr_uarts; i++) { struct uart_8250_port *up = &serial8250_ports[i]; + struct uart_port *port = &up->port; - up->port.line = i; - spin_lock_init(&up->port.lock); + port->line = i; + spin_lock_init(&port->lock); init_timer(&up->timer); up->timer.function = serial8250_timeout; @@ -2732,7 +2718,7 @@ static void __init serial8250_isa_init_ports(void) up->mcr_mask = ~ALPHA_KLUDGE_MCR; up->mcr_force = ALPHA_KLUDGE_MCR; - up->port.ops = &serial8250_pops; + port->ops = &serial8250_pops; } if (share_irqs) @@ -2741,17 +2727,19 @@ static void __init serial8250_isa_init_ports(void) for (i = 0, up = serial8250_ports; i < ARRAY_SIZE(old_serial_port) && i < nr_uarts; i++, up++) { - up->port.iobase = old_serial_port[i].port; - up->port.irq = irq_canonicalize(old_serial_port[i].irq); - up->port.irqflags = old_serial_port[i].irqflags; - up->port.uartclk = old_serial_port[i].baud_base * 16; - up->port.flags = old_serial_port[i].flags; - up->port.hub6 = old_serial_port[i].hub6; - up->port.membase = old_serial_port[i].iomem_base; - up->port.iotype = old_serial_port[i].io_type; - up->port.regshift = old_serial_port[i].iomem_reg_shift; - set_io_from_upio(&up->port); - up->port.irqflags |= irqflag; + struct uart_port *port = &up->port; + + port->iobase = old_serial_port[i].port; + port->irq = irq_canonicalize(old_serial_port[i].irq); + port->irqflags = old_serial_port[i].irqflags; + port->uartclk = old_serial_port[i].baud_base * 16; + port->flags = old_serial_port[i].flags; + port->hub6 = old_serial_port[i].hub6; + port->membase = old_serial_port[i].iomem_base; + port->iotype = old_serial_port[i].io_type; + port->regshift = old_serial_port[i].iomem_reg_shift; + set_io_from_upio(port); + port->irqflags |= irqflag; if (serial8250_isa_config != NULL) serial8250_isa_config(i, &up->port, &up->capabilities); @@ -2799,7 +2787,7 @@ static void serial8250_console_putchar(struct uart_port *port, int ch) container_of(port, struct uart_8250_port, port); wait_for_xmitr(up, UART_LSR_THRE); - serial_out(up, UART_TX, ch); + serial_port_out(port, UART_TX, ch); } /* @@ -2812,6 +2800,7 @@ static void serial8250_console_write(struct console *co, const char *s, unsigned int count) { struct uart_8250_port *up = &serial8250_ports[co->index]; + struct uart_port *port = &up->port; unsigned long flags; unsigned int ier; int locked = 1; @@ -2819,32 +2808,32 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count) touch_nmi_watchdog(); local_irq_save(flags); - if (up->port.sysrq) { + if (port->sysrq) { /* serial8250_handle_irq() already took the lock */ locked = 0; } else if (oops_in_progress) { - locked = spin_trylock(&up->port.lock); + locked = spin_trylock(&port->lock); } else - spin_lock(&up->port.lock); + spin_lock(&port->lock); /* * First save the IER then disable the interrupts */ - ier = serial_in(up, UART_IER); + ier = serial_port_in(port, UART_IER); if (up->capabilities & UART_CAP_UUE) - serial_out(up, UART_IER, UART_IER_UUE); + serial_port_out(port, UART_IER, UART_IER_UUE); else - serial_out(up, UART_IER, 0); + serial_port_out(port, UART_IER, 0); - uart_console_write(&up->port, s, count, serial8250_console_putchar); + uart_console_write(port, s, count, serial8250_console_putchar); /* * Finally, wait for transmitter to become empty * and restore the IER */ wait_for_xmitr(up, BOTH_EMPTY); - serial_out(up, UART_IER, ier); + serial_port_out(port, UART_IER, ier); /* * The receive handling will happen properly because the @@ -2857,7 +2846,7 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count) serial8250_modem_status(up); if (locked) - spin_unlock(&up->port.lock); + spin_unlock(&port->lock); local_irq_restore(flags); } @@ -3002,17 +2991,18 @@ void serial8250_suspend_port(int line) void serial8250_resume_port(int line) { struct uart_8250_port *up = &serial8250_ports[line]; + struct uart_port *port = &up->port; if (up->capabilities & UART_NATSEMI) { /* Ensure it's still in high speed mode */ - serial_outp(up, UART_LCR, 0xE0); + serial_port_out(port, UART_LCR, 0xE0); ns16550a_goto_highspeed(up); - serial_outp(up, UART_LCR, 0); - up->port.uartclk = 921600*16; + serial_port_out(port, UART_LCR, 0); + port->uartclk = 921600*16; } - uart_resume_port(&serial8250_reg, &up->port); + uart_resume_port(&serial8250_reg, port); } /* diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h index ae027be57e2..2868a1da254 100644 --- a/drivers/tty/serial/8250/8250.h +++ b/drivers/tty/serial/8250/8250.h @@ -86,6 +86,16 @@ struct serial8250_config { #define SERIAL8250_SHARE_IRQS 0 #endif +static inline int serial_in(struct uart_8250_port *up, int offset) +{ + return up->port.serial_in(&up->port, offset); +} + +static inline void serial_out(struct uart_8250_port *up, int offset, int value) +{ + up->port.serial_out(&up->port, offset, value); +} + #if defined(__alpha__) && !defined(CONFIG_PCI) /* * Digital did something really horribly wrong with the OUT1 and OUT2 diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 2de99248dfa..76e7764488e 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1347,4 +1347,17 @@ config SERIAL_AR933X_NR_UARTS Set this to the number of serial ports you want the driver to support. +config SERIAL_EFM32_UART + tristate "EFM32 UART/USART port." + depends on ARCH_EFM32 + select SERIAL_CORE + help + This driver support the USART and UART ports on + Energy Micro's efm32 SoCs. + +config SERIAL_EFM32_UART_CONSOLE + bool "EFM32 UART/USART console support" + depends on SERIAL_EFM32_UART=y + select SERIAL_CORE_CONSOLE + endmenu diff --git a/drivers/tty/serial/Makefile b/drivers/tty/serial/Makefile index fef32e10c85..7257c5d898a 100644 --- a/drivers/tty/serial/Makefile +++ b/drivers/tty/serial/Makefile @@ -61,12 +61,12 @@ obj-$(CONFIG_SERIAL_OF_PLATFORM) += of_serial.o obj-$(CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL) += nwpserial.o obj-$(CONFIG_SERIAL_KS8695) += serial_ks8695.o obj-$(CONFIG_SERIAL_OMAP) += omap-serial.o +obj-$(CONFIG_SERIAL_ALTERA_UART) += altera_uart.o obj-$(CONFIG_KGDB_SERIAL_CONSOLE) += kgdboc.o obj-$(CONFIG_SERIAL_QE) += ucc_uart.o obj-$(CONFIG_SERIAL_TIMBERDALE) += timbuart.o obj-$(CONFIG_SERIAL_GRLIB_GAISLER_APBUART) += apbuart.o obj-$(CONFIG_SERIAL_ALTERA_JTAGUART) += altera_jtaguart.o -obj-$(CONFIG_SERIAL_ALTERA_UART) += altera_uart.o obj-$(CONFIG_SERIAL_VT8500) += vt8500_serial.o obj-$(CONFIG_SERIAL_MRST_MAX3110) += mrst_max3110.o obj-$(CONFIG_SERIAL_MFD_HSU) += mfd.o @@ -78,3 +78,4 @@ obj-$(CONFIG_SERIAL_LANTIQ) += lantiq.o obj-$(CONFIG_SERIAL_XILINX_PS_UART) += xilinx_uartps.o obj-$(CONFIG_SERIAL_SIRFSOC) += sirfsoc_uart.o obj-$(CONFIG_SERIAL_AR933X) += ar933x_uart.o +obj-$(CONFIG_SERIAL_EFM32_UART) += efm32-uart.o diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c index 1d04c5037f2..e7903751e05 100644 --- a/drivers/tty/serial/altera_uart.c +++ b/drivers/tty/serial/altera_uart.c @@ -377,6 +377,26 @@ static int altera_uart_verify_port(struct uart_port *port, return 0; } +#ifdef CONFIG_CONSOLE_POLL +static int altera_uart_poll_get_char(struct uart_port *port) +{ + while (!(altera_uart_readl(port, ALTERA_UART_STATUS_REG) & + ALTERA_UART_STATUS_RRDY_MSK)) + cpu_relax(); + + return altera_uart_readl(port, ALTERA_UART_RXDATA_REG); +} + +static void altera_uart_poll_put_char(struct uart_port *port, unsigned char c) +{ + while (!(altera_uart_readl(port, ALTERA_UART_STATUS_REG) & + ALTERA_UART_STATUS_TRDY_MSK)) + cpu_relax(); + + altera_uart_writel(port, c, ALTERA_UART_TXDATA_REG); +} +#endif + /* * Define the basic serial functions we support. */ @@ -397,35 +417,16 @@ static struct uart_ops altera_uart_ops = { .release_port = altera_uart_release_port, .config_port = altera_uart_config_port, .verify_port = altera_uart_verify_port, +#ifdef CONFIG_CONSOLE_POLL + .poll_get_char = altera_uart_poll_get_char, + .poll_put_char = altera_uart_poll_put_char, +#endif }; static struct altera_uart altera_uart_ports[CONFIG_SERIAL_ALTERA_UART_MAXPORTS]; #if defined(CONFIG_SERIAL_ALTERA_UART_CONSOLE) -int __init early_altera_uart_setup(struct altera_uart_platform_uart *platp) -{ - struct uart_port *port; - int i; - - for (i = 0; i < CONFIG_SERIAL_ALTERA_UART_MAXPORTS && platp[i].mapbase; i++) { - port = &altera_uart_ports[i].port; - - port->line = i; - port->type = PORT_ALTERA_UART; - port->mapbase = platp[i].mapbase; - port->membase = ioremap(port->mapbase, ALTERA_UART_SIZE); - port->iotype = SERIAL_IO_MEM; - port->irq = platp[i].irq; - port->uartclk = platp[i].uartclk; - port->flags = UPF_BOOT_AUTOCONF; - port->ops = &altera_uart_ops; - port->private_data = platp; - } - - return 0; -} - static void altera_uart_console_putc(struct uart_port *port, const char c) { while (!(altera_uart_readl(port, ALTERA_UART_STATUS_REG) & diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 6800f5f2624..20d795d9b59 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -827,7 +827,12 @@ static void pl011_dma_rx_callback(void *data) { struct uart_amba_port *uap = data; struct pl011_dmarx_data *dmarx = &uap->dmarx; + struct dma_chan *rxchan = dmarx->chan; bool lastbuf = dmarx->use_buf_b; + struct pl011_sgbuf *sgbuf = dmarx->use_buf_b ? + &dmarx->sgbuf_b : &dmarx->sgbuf_a; + size_t pending; + struct dma_tx_state state; int ret; /* @@ -838,11 +843,21 @@ static void pl011_dma_rx_callback(void *data) * we immediately trigger the next DMA job. */ spin_lock_irq(&uap->port.lock); + /* + * Rx data can be taken by the UART interrupts during + * the DMA irq handler. So we check the residue here. + */ + rxchan->device->device_tx_status(rxchan, dmarx->cookie, &state); + pending = sgbuf->sg.length - state.residue; + BUG_ON(pending > PL011_DMA_BUFFER_SIZE); + /* Then we terminate the transfer - we now know our residue */ + dmaengine_terminate_all(rxchan); + uap->dmarx.running = false; dmarx->use_buf_b = !lastbuf; ret = pl011_dma_rx_trigger_dma(uap); - pl011_dma_rx_chars(uap, PL011_DMA_BUFFER_SIZE, lastbuf, false); + pl011_dma_rx_chars(uap, pending, lastbuf, false); spin_unlock_irq(&uap->port.lock); /* * Do this check after we picked the DMA chars so we don't @@ -1381,6 +1396,10 @@ static int pl011_startup(struct uart_port *port) uap->port.uartclk = clk_get_rate(uap->clk); + /* Clear pending error and receive interrupts */ + writew(UART011_OEIS | UART011_BEIS | UART011_PEIS | UART011_FEIS | + UART011_RTIS | UART011_RXIS, uap->port.membase + UART011_ICR); + /* * Allocate the IRQ */ @@ -1417,10 +1436,6 @@ static int pl011_startup(struct uart_port *port) cr |= UART01x_CR_UARTEN | UART011_CR_RXE | UART011_CR_TXE; writew(cr, uap->port.membase + UART011_CR); - /* Clear pending error interrupts */ - writew(UART011_OEIS | UART011_BEIS | UART011_PEIS | UART011_FEIS, - uap->port.membase + UART011_ICR); - /* * initialise the old status of the modem signals */ @@ -1435,6 +1450,9 @@ static int pl011_startup(struct uart_port *port) * as well. */ spin_lock_irq(&uap->port.lock); + /* Clear out any spuriously appearing RX interrupts */ + writew(UART011_RTIS | UART011_RXIS, + uap->port.membase + UART011_ICR); uap->im = UART011_RTIM; if (!pl011_dma_rx_running(uap)) uap->im |= UART011_RXIM; @@ -1927,6 +1945,10 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id) goto unmap; } + /* Ensure interrupts from this UART are masked and cleared */ + writew(0, uap->port.membase + UART011_IMSC); + writew(0xffff, uap->port.membase + UART011_ICR); + uap->vendor = vendor; uap->lcrh_rx = vendor->lcrh_rx; uap->lcrh_tx = vendor->lcrh_tx; diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c index 26953bfa692..5832fdef11e 100644 --- a/drivers/tty/serial/bfin_uart.c +++ b/drivers/tty/serial/bfin_uart.c @@ -535,11 +535,13 @@ static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id) * when start a new tx. */ UART_CLEAR_IER(uart, ETBEI); - xmit->tail = (xmit->tail + uart->tx_count) & (UART_XMIT_SIZE - 1); uart->port.icount.tx += uart->tx_count; + if (!uart_circ_empty(xmit)) { + xmit->tail = (xmit->tail + uart->tx_count) & (UART_XMIT_SIZE - 1); - if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) - uart_write_wakeup(&uart->port); + if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + uart_write_wakeup(&uart->port); + } bfin_serial_dma_tx_chars(uart); } diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c index 1dfba7b779c..23d79169687 100644 --- a/drivers/tty/serial/crisv10.c +++ b/drivers/tty/serial/crisv10.c @@ -4105,20 +4105,11 @@ static int rs_open(struct tty_struct *tty, struct file * filp) { struct e100_serial *info; - int retval, line; + int retval; unsigned long page; int allocated_resources = 0; - /* find which port we want to open */ - line = tty->index; - - if (line < 0 || line >= NR_PORTS) - return -ENODEV; - - /* find the corresponding e100_serial struct in the table */ - info = rs_table + line; - - /* don't allow the opening of ports that are not enabled in the HW config */ + info = rs_table + tty->index; if (!info->enabled) return -ENODEV; @@ -4131,7 +4122,7 @@ rs_open(struct tty_struct *tty, struct file * filp) tty->driver_data = info; info->port.tty = tty; - info->port.tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + tty->low_latency = !!(info->flags & ASYNC_LOW_LATENCY); if (!tmp_buf) { page = get_zeroed_page(GFP_KERNEL); diff --git a/drivers/tty/serial/efm32-uart.c b/drivers/tty/serial/efm32-uart.c new file mode 100644 index 00000000000..615e4647049 --- /dev/null +++ b/drivers/tty/serial/efm32-uart.c @@ -0,0 +1,830 @@ +#if defined(CONFIG_SERIAL_EFM32_UART_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) +#define SUPPORT_SYSRQ +#endif + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/console.h> +#include <linux/sysrq.h> +#include <linux/serial_core.h> +#include <linux/tty_flip.h> +#include <linux/slab.h> +#include <linux/clk.h> +#include <linux/of.h> +#include <linux/of_device.h> + +#include <linux/platform_data/efm32-uart.h> + +#define DRIVER_NAME "efm32-uart" +#define DEV_NAME "ttyefm" + +#define UARTn_CTRL 0x00 +#define UARTn_CTRL_SYNC 0x0001 +#define UARTn_CTRL_TXBIL 0x1000 + +#define UARTn_FRAME 0x04 +#define UARTn_FRAME_DATABITS__MASK 0x000f +#define UARTn_FRAME_DATABITS(n) ((n) - 3) +#define UARTn_FRAME_PARITY_NONE 0x0000 +#define UARTn_FRAME_PARITY_EVEN 0x0200 +#define UARTn_FRAME_PARITY_ODD 0x0300 +#define UARTn_FRAME_STOPBITS_HALF 0x0000 +#define UARTn_FRAME_STOPBITS_ONE 0x1000 +#define UARTn_FRAME_STOPBITS_TWO 0x3000 + +#define UARTn_CMD 0x0c +#define UARTn_CMD_RXEN 0x0001 +#define UARTn_CMD_RXDIS 0x0002 +#define UARTn_CMD_TXEN 0x0004 +#define UARTn_CMD_TXDIS 0x0008 + +#define UARTn_STATUS 0x10 +#define UARTn_STATUS_TXENS 0x0002 +#define UARTn_STATUS_TXC 0x0020 +#define UARTn_STATUS_TXBL 0x0040 +#define UARTn_STATUS_RXDATAV 0x0080 + +#define UARTn_CLKDIV 0x14 + +#define UARTn_RXDATAX 0x18 +#define UARTn_RXDATAX_RXDATA__MASK 0x01ff +#define UARTn_RXDATAX_PERR 0x4000 +#define UARTn_RXDATAX_FERR 0x8000 +/* + * This is a software only flag used for ignore_status_mask and + * read_status_mask! It's used for breaks that the hardware doesn't report + * explicitly. + */ +#define SW_UARTn_RXDATAX_BERR 0x2000 + +#define UARTn_TXDATA 0x34 + +#define UARTn_IF 0x40 +#define UARTn_IF_TXC 0x0001 +#define UARTn_IF_TXBL 0x0002 +#define UARTn_IF_RXDATAV 0x0004 +#define UARTn_IF_RXOF 0x0010 + +#define UARTn_IFS 0x44 +#define UARTn_IFC 0x48 +#define UARTn_IEN 0x4c + +#define UARTn_ROUTE 0x54 +#define UARTn_ROUTE_LOCATION__MASK 0x0700 +#define UARTn_ROUTE_LOCATION(n) (((n) << 8) & UARTn_ROUTE_LOCATION__MASK) +#define UARTn_ROUTE_RXPEN 0x0001 +#define UARTn_ROUTE_TXPEN 0x0002 + +struct efm32_uart_port { + struct uart_port port; + unsigned int txirq; + struct clk *clk; +}; +#define to_efm_port(_port) container_of(_port, struct efm32_uart_port, port) +#define efm_debug(efm_port, format, arg...) \ + dev_dbg(efm_port->port.dev, format, ##arg) + +static void efm32_uart_write32(struct efm32_uart_port *efm_port, + u32 value, unsigned offset) +{ + writel_relaxed(value, efm_port->port.membase + offset); +} + +static u32 efm32_uart_read32(struct efm32_uart_port *efm_port, + unsigned offset) +{ + return readl_relaxed(efm_port->port.membase + offset); +} + +static unsigned int efm32_uart_tx_empty(struct uart_port *port) +{ + struct efm32_uart_port *efm_port = to_efm_port(port); + u32 status = efm32_uart_read32(efm_port, UARTn_STATUS); + + if (status & UARTn_STATUS_TXC) + return TIOCSER_TEMT; + else + return 0; +} + +static void efm32_uart_set_mctrl(struct uart_port *port, unsigned int mctrl) +{ + /* sorry, neither handshaking lines nor loop functionallity */ +} + +static unsigned int efm32_uart_get_mctrl(struct uart_port *port) +{ + /* sorry, no handshaking lines available */ + return TIOCM_CAR | TIOCM_CTS | TIOCM_DSR; +} + +static void efm32_uart_stop_tx(struct uart_port *port) +{ + struct efm32_uart_port *efm_port = to_efm_port(port); + u32 ien = efm32_uart_read32(efm_port, UARTn_IEN); + + efm32_uart_write32(efm_port, UARTn_CMD_TXDIS, UARTn_CMD); + ien &= ~(UARTn_IF_TXC | UARTn_IF_TXBL); + efm32_uart_write32(efm_port, ien, UARTn_IEN); +} + +static void efm32_uart_tx_chars(struct efm32_uart_port *efm_port) +{ + struct uart_port *port = &efm_port->port; + struct circ_buf *xmit = &port->state->xmit; + + while (efm32_uart_read32(efm_port, UARTn_STATUS) & + UARTn_STATUS_TXBL) { + if (port->x_char) { + port->icount.tx++; + efm32_uart_write32(efm_port, port->x_char, + UARTn_TXDATA); + port->x_char = 0; + continue; + } + if (!uart_circ_empty(xmit) && !uart_tx_stopped(port)) { + port->icount.tx++; + efm32_uart_write32(efm_port, xmit->buf[xmit->tail], + UARTn_TXDATA); + xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); + } else + break; + } + + if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + uart_write_wakeup(port); + + if (!port->x_char && uart_circ_empty(xmit) && + efm32_uart_read32(efm_port, UARTn_STATUS) & + UARTn_STATUS_TXC) + efm32_uart_stop_tx(port); +} + +static void efm32_uart_start_tx(struct uart_port *port) +{ + struct efm32_uart_port *efm_port = to_efm_port(port); + u32 ien; + + efm32_uart_write32(efm_port, + UARTn_IF_TXBL | UARTn_IF_TXC, UARTn_IFC); + ien = efm32_uart_read32(efm_port, UARTn_IEN); + efm32_uart_write32(efm_port, + ien | UARTn_IF_TXBL | UARTn_IF_TXC, UARTn_IEN); + efm32_uart_write32(efm_port, UARTn_CMD_TXEN, UARTn_CMD); + + efm32_uart_tx_chars(efm_port); +} + +static void efm32_uart_stop_rx(struct uart_port *port) +{ + struct efm32_uart_port *efm_port = to_efm_port(port); + + efm32_uart_write32(efm_port, UARTn_CMD_RXDIS, UARTn_CMD); +} + +static void efm32_uart_enable_ms(struct uart_port *port) +{ + /* no handshake lines, no modem status interrupts */ +} + +static void efm32_uart_break_ctl(struct uart_port *port, int ctl) +{ + /* not possible without fiddling with gpios */ +} + +static void efm32_uart_rx_chars(struct efm32_uart_port *efm_port, + struct tty_struct *tty) +{ + struct uart_port *port = &efm_port->port; + + while (efm32_uart_read32(efm_port, UARTn_STATUS) & + UARTn_STATUS_RXDATAV) { + u32 rxdata = efm32_uart_read32(efm_port, UARTn_RXDATAX); + int flag = 0; + + /* + * This is a reserved bit and I only saw it read as 0. But to be + * sure not to be confused too much by new devices adhere to the + * warning in the reference manual that reserverd bits might + * read as 1 in the future. + */ + rxdata &= ~SW_UARTn_RXDATAX_BERR; + + port->icount.rx++; + + if ((rxdata & UARTn_RXDATAX_FERR) && + !(rxdata & UARTn_RXDATAX_RXDATA__MASK)) { + rxdata |= SW_UARTn_RXDATAX_BERR; + port->icount.brk++; + if (uart_handle_break(port)) + continue; + } else if (rxdata & UARTn_RXDATAX_PERR) + port->icount.parity++; + else if (rxdata & UARTn_RXDATAX_FERR) + port->icount.frame++; + + rxdata &= port->read_status_mask; + + if (rxdata & SW_UARTn_RXDATAX_BERR) + flag = TTY_BREAK; + else if (rxdata & UARTn_RXDATAX_PERR) + flag = TTY_PARITY; + else if (rxdata & UARTn_RXDATAX_FERR) + flag = TTY_FRAME; + else if (uart_handle_sysrq_char(port, + rxdata & UARTn_RXDATAX_RXDATA__MASK)) + continue; + + if (tty && (rxdata & port->ignore_status_mask) == 0) + tty_insert_flip_char(tty, + rxdata & UARTn_RXDATAX_RXDATA__MASK, flag); + } +} + +static irqreturn_t efm32_uart_rxirq(int irq, void *data) +{ + struct efm32_uart_port *efm_port = data; + u32 irqflag = efm32_uart_read32(efm_port, UARTn_IF); + int handled = IRQ_NONE; + struct uart_port *port = &efm_port->port; + struct tty_struct *tty; + + spin_lock(&port->lock); + + tty = tty_kref_get(port->state->port.tty); + + if (irqflag & UARTn_IF_RXDATAV) { + efm32_uart_write32(efm_port, UARTn_IF_RXDATAV, UARTn_IFC); + efm32_uart_rx_chars(efm_port, tty); + + handled = IRQ_HANDLED; + } + + if (irqflag & UARTn_IF_RXOF) { + efm32_uart_write32(efm_port, UARTn_IF_RXOF, UARTn_IFC); + port->icount.overrun++; + if (tty) + tty_insert_flip_char(tty, 0, TTY_OVERRUN); + + handled = IRQ_HANDLED; + } + + if (tty) { + tty_flip_buffer_push(tty); + tty_kref_put(tty); + } + + spin_unlock(&port->lock); + + return handled; +} + +static irqreturn_t efm32_uart_txirq(int irq, void *data) +{ + struct efm32_uart_port *efm_port = data; + u32 irqflag = efm32_uart_read32(efm_port, UARTn_IF); + + /* TXBL doesn't need to be cleared */ + if (irqflag & UARTn_IF_TXC) + efm32_uart_write32(efm_port, UARTn_IF_TXC, UARTn_IFC); + + if (irqflag & (UARTn_IF_TXC | UARTn_IF_TXBL)) { + efm32_uart_tx_chars(efm_port); + return IRQ_HANDLED; + } else + return IRQ_NONE; +} + +static int efm32_uart_startup(struct uart_port *port) +{ + struct efm32_uart_port *efm_port = to_efm_port(port); + u32 location = 0; + struct efm32_uart_pdata *pdata = dev_get_platdata(port->dev); + int ret; + + if (pdata) + location = UARTn_ROUTE_LOCATION(pdata->location); + + ret = clk_enable(efm_port->clk); + if (ret) { + efm_debug(efm_port, "failed to enable clk\n"); + goto err_clk_enable; + } + port->uartclk = clk_get_rate(efm_port->clk); + + /* Enable pins at configured location */ + efm32_uart_write32(efm_port, location | UARTn_ROUTE_RXPEN | UARTn_ROUTE_TXPEN, + UARTn_ROUTE); + + ret = request_irq(port->irq, efm32_uart_rxirq, 0, + DRIVER_NAME, efm_port); + if (ret) { + efm_debug(efm_port, "failed to register rxirq\n"); + goto err_request_irq_rx; + } + + /* disable all irqs */ + efm32_uart_write32(efm_port, 0, UARTn_IEN); + + ret = request_irq(efm_port->txirq, efm32_uart_txirq, 0, + DRIVER_NAME, efm_port); + if (ret) { + efm_debug(efm_port, "failed to register txirq\n"); + free_irq(port->irq, efm_port); +err_request_irq_rx: + + clk_disable(efm_port->clk); + } else { + efm32_uart_write32(efm_port, + UARTn_IF_RXDATAV | UARTn_IF_RXOF, UARTn_IEN); + efm32_uart_write32(efm_port, UARTn_CMD_RXEN, UARTn_CMD); + } + +err_clk_enable: + return ret; +} + +static void efm32_uart_shutdown(struct uart_port *port) +{ + struct efm32_uart_port *efm_port = to_efm_port(port); + + efm32_uart_write32(efm_port, 0, UARTn_IEN); + free_irq(port->irq, efm_port); + + clk_disable(efm_port->clk); +} + +static void efm32_uart_set_termios(struct uart_port *port, + struct ktermios *new, struct ktermios *old) +{ + struct efm32_uart_port *efm_port = to_efm_port(port); + unsigned long flags; + unsigned baud; + u32 clkdiv; + u32 frame = 0; + + /* no modem control lines */ + new->c_cflag &= ~(CRTSCTS | CMSPAR); + + baud = uart_get_baud_rate(port, new, old, + DIV_ROUND_CLOSEST(port->uartclk, 16 * 8192), + DIV_ROUND_CLOSEST(port->uartclk, 16)); + + switch (new->c_cflag & CSIZE) { + case CS5: + frame |= UARTn_FRAME_DATABITS(5); + break; + case CS6: + frame |= UARTn_FRAME_DATABITS(6); + break; + case CS7: + frame |= UARTn_FRAME_DATABITS(7); + break; + case CS8: + frame |= UARTn_FRAME_DATABITS(8); + break; + } + + if (new->c_cflag & CSTOPB) + /* the receiver only verifies the first stop bit */ + frame |= UARTn_FRAME_STOPBITS_TWO; + else + frame |= UARTn_FRAME_STOPBITS_ONE; + + if (new->c_cflag & PARENB) { + if (new->c_cflag & PARODD) + frame |= UARTn_FRAME_PARITY_ODD; + else + frame |= UARTn_FRAME_PARITY_EVEN; + } else + frame |= UARTn_FRAME_PARITY_NONE; + + /* + * the 6 lowest bits of CLKDIV are dc, bit 6 has value 0.25. + * port->uartclk <= 14e6, so 4 * port->uartclk doesn't overflow. + */ + clkdiv = (DIV_ROUND_CLOSEST(4 * port->uartclk, 16 * baud) - 4) << 6; + + spin_lock_irqsave(&port->lock, flags); + + efm32_uart_write32(efm_port, + UARTn_CMD_TXDIS | UARTn_CMD_RXDIS, UARTn_CMD); + + port->read_status_mask = UARTn_RXDATAX_RXDATA__MASK; + if (new->c_iflag & INPCK) + port->read_status_mask |= + UARTn_RXDATAX_FERR | UARTn_RXDATAX_PERR; + if (new->c_iflag & (BRKINT | PARMRK)) + port->read_status_mask |= SW_UARTn_RXDATAX_BERR; + + port->ignore_status_mask = 0; + if (new->c_iflag & IGNPAR) + port->ignore_status_mask |= + UARTn_RXDATAX_FERR | UARTn_RXDATAX_PERR; + if (new->c_iflag & IGNBRK) + port->ignore_status_mask |= SW_UARTn_RXDATAX_BERR; + + uart_update_timeout(port, new->c_cflag, baud); + + efm32_uart_write32(efm_port, UARTn_CTRL_TXBIL, UARTn_CTRL); + efm32_uart_write32(efm_port, frame, UARTn_FRAME); + efm32_uart_write32(efm_port, clkdiv, UARTn_CLKDIV); + + efm32_uart_write32(efm_port, UARTn_CMD_TXEN | UARTn_CMD_RXEN, + UARTn_CMD); + + spin_unlock_irqrestore(&port->lock, flags); +} + +static const char *efm32_uart_type(struct uart_port *port) +{ + return port->type == PORT_EFMUART ? "efm32-uart" : NULL; +} + +static void efm32_uart_release_port(struct uart_port *port) +{ + struct efm32_uart_port *efm_port = to_efm_port(port); + + clk_unprepare(efm_port->clk); + clk_put(efm_port->clk); + iounmap(port->membase); +} + +static int efm32_uart_request_port(struct uart_port *port) +{ + struct efm32_uart_port *efm_port = to_efm_port(port); + int ret; + + port->membase = ioremap(port->mapbase, 60); + if (!efm_port->port.membase) { + ret = -ENOMEM; + efm_debug(efm_port, "failed to remap\n"); + goto err_ioremap; + } + + efm_port->clk = clk_get(port->dev, NULL); + if (IS_ERR(efm_port->clk)) { + ret = PTR_ERR(efm_port->clk); + efm_debug(efm_port, "failed to get clock\n"); + goto err_clk_get; + } + + ret = clk_prepare(efm_port->clk); + if (ret) { + clk_put(efm_port->clk); +err_clk_get: + + iounmap(port->membase); +err_ioremap: + return ret; + } + return 0; +} + +static void efm32_uart_config_port(struct uart_port *port, int type) +{ + if (type & UART_CONFIG_TYPE && + !efm32_uart_request_port(port)) + port->type = PORT_EFMUART; +} + +static int efm32_uart_verify_port(struct uart_port *port, + struct serial_struct *serinfo) +{ + int ret = 0; + + if (serinfo->type != PORT_UNKNOWN && serinfo->type != PORT_EFMUART) + ret = -EINVAL; + + return ret; +} + +static struct uart_ops efm32_uart_pops = { + .tx_empty = efm32_uart_tx_empty, + .set_mctrl = efm32_uart_set_mctrl, + .get_mctrl = efm32_uart_get_mctrl, + .stop_tx = efm32_uart_stop_tx, + .start_tx = efm32_uart_start_tx, + .stop_rx = efm32_uart_stop_rx, + .enable_ms = efm32_uart_enable_ms, + .break_ctl = efm32_uart_break_ctl, + .startup = efm32_uart_startup, + .shutdown = efm32_uart_shutdown, + .set_termios = efm32_uart_set_termios, + .type = efm32_uart_type, + .release_port = efm32_uart_release_port, + .request_port = efm32_uart_request_port, + .config_port = efm32_uart_config_port, + .verify_port = efm32_uart_verify_port, +}; + +static struct efm32_uart_port *efm32_uart_ports[5]; + +#ifdef CONFIG_SERIAL_EFM32_UART_CONSOLE +static void efm32_uart_console_putchar(struct uart_port *port, int ch) +{ + struct efm32_uart_port *efm_port = to_efm_port(port); + unsigned int timeout = 0x400; + u32 status; + + while (1) { + status = efm32_uart_read32(efm_port, UARTn_STATUS); + + if (status & UARTn_STATUS_TXBL) + break; + if (!timeout--) + return; + } + efm32_uart_write32(efm_port, ch, UARTn_TXDATA); +} + +static void efm32_uart_console_write(struct console *co, const char *s, + unsigned int count) +{ + struct efm32_uart_port *efm_port = efm32_uart_ports[co->index]; + u32 status = efm32_uart_read32(efm_port, UARTn_STATUS); + unsigned int timeout = 0x400; + + if (!(status & UARTn_STATUS_TXENS)) + efm32_uart_write32(efm_port, UARTn_CMD_TXEN, UARTn_CMD); + + uart_console_write(&efm_port->port, s, count, + efm32_uart_console_putchar); + + /* Wait for the transmitter to become empty */ + while (1) { + u32 status = efm32_uart_read32(efm_port, UARTn_STATUS); + if (status & UARTn_STATUS_TXC) + break; + if (!timeout--) + break; + } + + if (!(status & UARTn_STATUS_TXENS)) + efm32_uart_write32(efm_port, UARTn_CMD_TXDIS, UARTn_CMD); +} + +static void efm32_uart_console_get_options(struct efm32_uart_port *efm_port, + int *baud, int *parity, int *bits) +{ + u32 ctrl = efm32_uart_read32(efm_port, UARTn_CTRL); + u32 route, clkdiv, frame; + + if (ctrl & UARTn_CTRL_SYNC) + /* not operating in async mode */ + return; + + route = efm32_uart_read32(efm_port, UARTn_ROUTE); + if (!(route & UARTn_ROUTE_TXPEN)) + /* tx pin not routed */ + return; + + clkdiv = efm32_uart_read32(efm_port, UARTn_CLKDIV); + + *baud = DIV_ROUND_CLOSEST(4 * efm_port->port.uartclk, + 16 * (4 + (clkdiv >> 6))); + + frame = efm32_uart_read32(efm_port, UARTn_FRAME); + if (frame & UARTn_FRAME_PARITY_ODD) + *parity = 'o'; + else if (frame & UARTn_FRAME_PARITY_EVEN) + *parity = 'e'; + else + *parity = 'n'; + + *bits = (frame & UARTn_FRAME_DATABITS__MASK) - + UARTn_FRAME_DATABITS(4) + 4; + + efm_debug(efm_port, "get_opts: options=%d%c%d\n", + *baud, *parity, *bits); +} + +static int efm32_uart_console_setup(struct console *co, char *options) +{ + struct efm32_uart_port *efm_port; + int baud = 115200; + int bits = 8; + int parity = 'n'; + int flow = 'n'; + int ret; + + if (co->index < 0 || co->index >= ARRAY_SIZE(efm32_uart_ports)) { + unsigned i; + for (i = 0; i < ARRAY_SIZE(efm32_uart_ports); ++i) { + if (efm32_uart_ports[i]) { + pr_warn("efm32-console: fall back to console index %u (from %hhi)\n", + i, co->index); + co->index = i; + break; + } + } + } + + efm_port = efm32_uart_ports[co->index]; + if (!efm_port) { + pr_warn("efm32-console: No port at %d\n", co->index); + return -ENODEV; + } + + ret = clk_prepare(efm_port->clk); + if (ret) { + dev_warn(efm_port->port.dev, + "console: clk_prepare failed: %d\n", ret); + return ret; + } + + efm_port->port.uartclk = clk_get_rate(efm_port->clk); + + if (options) + uart_parse_options(options, &baud, &parity, &bits, &flow); + else + efm32_uart_console_get_options(efm_port, + &baud, &parity, &bits); + + return uart_set_options(&efm_port->port, co, baud, parity, bits, flow); +} + +static struct uart_driver efm32_uart_reg; + +static struct console efm32_uart_console = { + .name = DEV_NAME, + .write = efm32_uart_console_write, + .device = uart_console_device, + .setup = efm32_uart_console_setup, + .flags = CON_PRINTBUFFER, + .index = -1, + .data = &efm32_uart_reg, +}; + +#else +#define efm32_uart_console (*(struct console *)NULL) +#endif /* ifdef CONFIG_SERIAL_EFM32_UART_CONSOLE / else */ + +static struct uart_driver efm32_uart_reg = { + .owner = THIS_MODULE, + .driver_name = DRIVER_NAME, + .dev_name = DEV_NAME, + .nr = ARRAY_SIZE(efm32_uart_ports), + .cons = &efm32_uart_console, +}; + +static int efm32_uart_probe_dt(struct platform_device *pdev, + struct efm32_uart_port *efm_port) +{ + struct device_node *np = pdev->dev.of_node; + int ret; + + if (!np) + return 1; + + ret = of_alias_get_id(np, "serial"); + if (ret < 0) { + dev_err(&pdev->dev, "failed to get alias id: %d\n", ret); + return ret; + } else { + efm_port->port.line = ret; + return 0; + } + +} + +static int __devinit efm32_uart_probe(struct platform_device *pdev) +{ + struct efm32_uart_port *efm_port; + struct resource *res; + int ret; + + efm_port = kzalloc(sizeof(*efm_port), GFP_KERNEL); + if (!efm_port) { + dev_dbg(&pdev->dev, "failed to allocate private data\n"); + return -ENOMEM; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + ret = -ENODEV; + dev_dbg(&pdev->dev, "failed to determine base address\n"); + goto err_get_base; + } + + if (resource_size(res) < 60) { + ret = -EINVAL; + dev_dbg(&pdev->dev, "memory resource too small\n"); + goto err_too_small; + } + + ret = platform_get_irq(pdev, 0); + if (ret <= 0) { + dev_dbg(&pdev->dev, "failed to get rx irq\n"); + goto err_get_rxirq; + } + + efm_port->port.irq = ret; + + ret = platform_get_irq(pdev, 1); + if (ret <= 0) + ret = efm_port->port.irq + 1; + + efm_port->txirq = ret; + + efm_port->port.dev = &pdev->dev; + efm_port->port.mapbase = res->start; + efm_port->port.type = PORT_EFMUART; + efm_port->port.iotype = UPIO_MEM32; + efm_port->port.fifosize = 2; + efm_port->port.ops = &efm32_uart_pops; + efm_port->port.flags = UPF_BOOT_AUTOCONF; + + ret = efm32_uart_probe_dt(pdev, efm_port); + if (ret > 0) + /* not created by device tree */ + efm_port->port.line = pdev->id; + + if (efm_port->port.line >= 0 && + efm_port->port.line < ARRAY_SIZE(efm32_uart_ports)) + efm32_uart_ports[efm_port->port.line] = efm_port; + + ret = uart_add_one_port(&efm32_uart_reg, &efm_port->port); + if (ret) { + dev_dbg(&pdev->dev, "failed to add port: %d\n", ret); + + if (pdev->id >= 0 && pdev->id < ARRAY_SIZE(efm32_uart_ports)) + efm32_uart_ports[pdev->id] = NULL; +err_get_rxirq: +err_too_small: +err_get_base: + kfree(efm_port); + } else { + platform_set_drvdata(pdev, efm_port); + dev_dbg(&pdev->dev, "\\o/\n"); + } + + return ret; +} + +static int __devexit efm32_uart_remove(struct platform_device *pdev) +{ + struct efm32_uart_port *efm_port = platform_get_drvdata(pdev); + + platform_set_drvdata(pdev, NULL); + + uart_remove_one_port(&efm32_uart_reg, &efm_port->port); + + if (pdev->id >= 0 && pdev->id < ARRAY_SIZE(efm32_uart_ports)) + efm32_uart_ports[pdev->id] = NULL; + + kfree(efm_port); + + return 0; +} + +static struct of_device_id efm32_uart_dt_ids[] = { + { + .compatible = "efm32,uart", + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(of, efm32_uart_dt_ids); + +static struct platform_driver efm32_uart_driver = { + .probe = efm32_uart_probe, + .remove = __devexit_p(efm32_uart_remove), + + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .of_match_table = efm32_uart_dt_ids, + }, +}; + +static int __init efm32_uart_init(void) +{ + int ret; + + ret = uart_register_driver(&efm32_uart_reg); + if (ret) + return ret; + + ret = platform_driver_register(&efm32_uart_driver); + if (ret) + uart_unregister_driver(&efm32_uart_reg); + + pr_info("EFM32 UART/USART driver\n"); + + return ret; +} +module_init(efm32_uart_init); + +static void __exit efm32_uart_exit(void) +{ + platform_driver_unregister(&efm32_uart_driver); + uart_unregister_driver(&efm32_uart_reg); +} + +MODULE_AUTHOR("Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>"); +MODULE_DESCRIPTION("EFM32 UART/USART driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c index 7e925e20cba..144cd3987d4 100644 --- a/drivers/tty/serial/ifx6x60.c +++ b/drivers/tty/serial/ifx6x60.c @@ -1375,12 +1375,9 @@ static int __init ifx_spi_init(void) return -ENOMEM; } - tty_drv->magic = TTY_DRIVER_MAGIC; - tty_drv->owner = THIS_MODULE; tty_drv->driver_name = DRVNAME; tty_drv->name = TTYNAME; tty_drv->minor_start = IFX_SPI_TTY_ID; - tty_drv->num = 1; tty_drv->type = TTY_DRIVER_TYPE_SERIAL; tty_drv->subtype = SERIAL_TYPE_NORMAL; tty_drv->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; diff --git a/drivers/tty/serial/ioc4_serial.c b/drivers/tty/serial/ioc4_serial.c index 6b36c1554d7..e16894fb2ca 100644 --- a/drivers/tty/serial/ioc4_serial.c +++ b/drivers/tty/serial/ioc4_serial.c @@ -16,7 +16,6 @@ #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/serial.h> -#include <linux/serialP.h> #include <linux/circ_buf.h> #include <linux/serial_reg.h> #include <linux/module.h> @@ -975,7 +974,7 @@ intr_connect(struct ioc4_soft *soft, int type, BUG_ON(!((type == IOC4_SIO_INTR_TYPE) || (type == IOC4_OTHER_INTR_TYPE))); - i = atomic_inc(&soft-> is_intr_type[type].is_num_intrs) - 1; + i = atomic_inc_return(&soft-> is_intr_type[type].is_num_intrs) - 1; BUG_ON(!(i < MAX_IOC4_INTR_ENTS || (printk("i %d\n", i), 0))); /* Save off the lower level interrupt handler */ diff --git a/drivers/tty/serial/m32r_sio.c b/drivers/tty/serial/m32r_sio.c index 94a6792bf97..a0703624d5e 100644 --- a/drivers/tty/serial/m32r_sio.c +++ b/drivers/tty/serial/m32r_sio.c @@ -38,7 +38,6 @@ #include <linux/console.h> #include <linux/sysrq.h> #include <linux/serial.h> -#include <linux/serialP.h> #include <linux/delay.h> #include <asm/m32r.h> @@ -70,13 +69,6 @@ #define PASS_LIMIT 256 -/* - * We default to IRQ0 for the "no irq" hack. Some - * machine types want others as well - they're free - * to redefine this in their header file. - */ -#define is_real_interrupt(irq) ((irq) != 0) - #define BASE_BAUD 115200 /* Standard COM flags */ @@ -640,7 +632,7 @@ static int m32r_sio_startup(struct uart_port *port) * hardware interrupt, we use a timer-based system. The original * driver used to do this with IRQ0. */ - if (!is_real_interrupt(up->port.irq)) { + if (!up->port.irq) { unsigned int timeout = up->port.timeout; timeout = timeout > 6 ? (timeout / 2 - 2) : 1; @@ -687,7 +679,7 @@ static void m32r_sio_shutdown(struct uart_port *port) sio_init(); - if (!is_real_interrupt(up->port.irq)) + if (!up->port.irq) del_timer_sync(&up->timer); else serial_unlink_irq_chain(up); diff --git a/drivers/tty/serial/m32r_sio.h b/drivers/tty/serial/m32r_sio.h index e9b7e11793b..8129824496c 100644 --- a/drivers/tty/serial/m32r_sio.h +++ b/drivers/tty/serial/m32r_sio.h @@ -15,6 +15,7 @@ * (at your option) any later version. */ +#include <linux/pci.h> struct m32r_sio_probe { struct module *owner; diff --git a/drivers/tty/serial/mpc52xx_uart.c b/drivers/tty/serial/mpc52xx_uart.c index 1093a88a1fe..bedac0d4c9c 100644 --- a/drivers/tty/serial/mpc52xx_uart.c +++ b/drivers/tty/serial/mpc52xx_uart.c @@ -262,8 +262,9 @@ static unsigned int mpc5200b_psc_set_baudrate(struct uart_port *port, port->uartclk / 4); divisor = (port->uartclk + 2 * baud) / (4 * baud); - /* select the proper prescaler and set the divisor */ - if (divisor > 0xffff) { + /* select the proper prescaler and set the divisor + * prefer high prescaler for more tolerance on low baudrates */ + if (divisor > 0xffff || baud <= 115200) { divisor = (divisor + 4) / 8; prescaler = 0xdd00; /* /32 */ } else @@ -507,7 +508,7 @@ static int __init mpc512x_psc_fifoc_init(void) psc_fifoc_irq = irq_of_parse_and_map(np, 0); of_node_put(np); - if (psc_fifoc_irq == NO_IRQ) { + if (psc_fifoc_irq == 0) { pr_err("%s: Can't get FIFOC irq\n", __func__); iounmap(psc_fifoc); return -ENODEV; @@ -1354,7 +1355,7 @@ static int __devinit mpc52xx_uart_of_probe(struct platform_device *op) } psc_ops->get_irq(port, op->dev.of_node); - if (port->irq == NO_IRQ) { + if (port->irq == 0) { dev_dbg(&op->dev, "Could not get irq\n"); return -EINVAL; } diff --git a/drivers/tty/serial/msm_smd_tty.c b/drivers/tty/serial/msm_smd_tty.c index 4f41dcdcb77..b25e6ee7144 100644 --- a/drivers/tty/serial/msm_smd_tty.c +++ b/drivers/tty/serial/msm_smd_tty.c @@ -203,7 +203,6 @@ static int __init smd_tty_init(void) if (smd_tty_driver == 0) return -ENOMEM; - smd_tty_driver->owner = THIS_MODULE; smd_tty_driver->driver_name = "smd_tty_driver"; smd_tty_driver->name = "smd"; smd_tty_driver->major = 0; diff --git a/drivers/tty/serial/mux.c b/drivers/tty/serial/mux.c index 06f6aefd5ba..7ea8a263fd9 100644 --- a/drivers/tty/serial/mux.c +++ b/drivers/tty/serial/mux.c @@ -17,7 +17,6 @@ */ #include <linux/module.h> -#include <linux/tty.h> #include <linux/ioport.h> #include <linux/init.h> #include <linux/serial.h> @@ -499,7 +498,7 @@ static int __init mux_probe(struct parisc_device *dev) port->membase = ioremap_nocache(port->mapbase, MUX_LINE_OFFSET); port->iotype = UPIO_MEM; port->type = PORT_MUX; - port->irq = NO_IRQ; + port->irq = 0; port->uartclk = 0; port->fifosize = MUX_FIFO_SIZE; port->ops = &mux_pops; diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index f80904145fd..0121486ac4f 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -159,7 +159,7 @@ static void serial_omap_stop_tx(struct uart_port *port) serial_out(up, UART_IER, up->ier); } - if (!up->use_dma && pdata->set_forceidle) + if (!up->use_dma && pdata && pdata->set_forceidle) pdata->set_forceidle(up->pdev); pm_runtime_mark_last_busy(&up->pdev->dev); @@ -298,7 +298,7 @@ static void serial_omap_start_tx(struct uart_port *port) if (!up->use_dma) { pm_runtime_get_sync(&up->pdev->dev); serial_omap_enable_ier_thri(up); - if (pdata->set_noidle) + if (pdata && pdata->set_noidle) pdata->set_noidle(up->pdev); pm_runtime_mark_last_busy(&up->pdev->dev); pm_runtime_put_autosuspend(&up->pdev->dev); @@ -1613,7 +1613,7 @@ static int serial_omap_runtime_resume(struct device *dev) struct uart_omap_port *up = dev_get_drvdata(dev); struct omap_uart_port_info *pdata = dev->platform_data; - if (up) { + if (up && pdata) { if (pdata->get_context_loss_count) { u32 loss_cnt = pdata->get_context_loss_count(dev); diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index 17ae65762d1..332f2eb8abb 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -29,6 +29,7 @@ #include <linux/nmi.h> #include <linux/delay.h> +#include <linux/debugfs.h> #include <linux/dmaengine.h> #include <linux/pch_dma.h> @@ -144,6 +145,8 @@ enum { #define PCH_UART_DLL 0x00 #define PCH_UART_DLM 0x01 +#define PCH_UART_BRCSR 0x0E + #define PCH_UART_IID_RLS (PCH_UART_IIR_REI) #define PCH_UART_IID_RDR (PCH_UART_IIR_RRI) #define PCH_UART_IID_RDR_TO (PCH_UART_IIR_RRI | PCH_UART_IIR_TOI) @@ -203,7 +206,10 @@ enum { #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) -#define DEFAULT_BAUD_RATE 1843200 /* 1.8432MHz */ +#define DEFAULT_UARTCLK 1843200 /* 1.8432 MHz */ +#define CMITC_UARTCLK 192000000 /* 192.0000 MHz */ +#define FRI2_64_UARTCLK 64000000 /* 64.0000 MHz */ +#define FRI2_48_UARTCLK 48000000 /* 48.0000 MHz */ struct pch_uart_buffer { unsigned char *buf; @@ -218,7 +224,7 @@ struct eg20t_port { unsigned int iobase; struct pci_dev *pdev; int fifo_size; - int base_baud; + int uartclk; int start_tx; int start_rx; int tx_empty; @@ -243,6 +249,8 @@ struct eg20t_port { int tx_dma_use; void *rx_buf_virt; dma_addr_t rx_buf_dma; + + struct dentry *debugfs; }; /** @@ -287,26 +295,100 @@ static struct pch_uart_driver_data drv_dat[] = { static struct eg20t_port *pch_uart_ports[PCH_UART_NR]; #endif static unsigned int default_baud = 9600; +static unsigned int user_uartclk = 0; static const int trigger_level_256[4] = { 1, 64, 128, 224 }; static const int trigger_level_64[4] = { 1, 16, 32, 56 }; static const int trigger_level_16[4] = { 1, 4, 8, 14 }; static const int trigger_level_1[4] = { 1, 1, 1, 1 }; -static void pch_uart_hal_request(struct pci_dev *pdev, int fifosize, - int base_baud) +#ifdef CONFIG_DEBUG_FS + +#define PCH_REGS_BUFSIZE 1024 +static int pch_show_regs_open(struct inode *inode, struct file *file) { - struct eg20t_port *priv = pci_get_drvdata(pdev); + file->private_data = inode->i_private; + return 0; +} - priv->trigger_level = 1; - priv->fcr = 0; +static ssize_t port_show_regs(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct eg20t_port *priv = file->private_data; + char *buf; + u32 len = 0; + ssize_t ret; + unsigned char lcr; + + buf = kzalloc(PCH_REGS_BUFSIZE, GFP_KERNEL); + if (!buf) + return 0; + + len += snprintf(buf + len, PCH_REGS_BUFSIZE - len, + "PCH EG20T port[%d] regs:\n", priv->port.line); + + len += snprintf(buf + len, PCH_REGS_BUFSIZE - len, + "=================================\n"); + len += snprintf(buf + len, PCH_REGS_BUFSIZE - len, + "IER: \t0x%02x\n", ioread8(priv->membase + UART_IER)); + len += snprintf(buf + len, PCH_REGS_BUFSIZE - len, + "IIR: \t0x%02x\n", ioread8(priv->membase + UART_IIR)); + len += snprintf(buf + len, PCH_REGS_BUFSIZE - len, + "LCR: \t0x%02x\n", ioread8(priv->membase + UART_LCR)); + len += snprintf(buf + len, PCH_REGS_BUFSIZE - len, + "MCR: \t0x%02x\n", ioread8(priv->membase + UART_MCR)); + len += snprintf(buf + len, PCH_REGS_BUFSIZE - len, + "LSR: \t0x%02x\n", ioread8(priv->membase + UART_LSR)); + len += snprintf(buf + len, PCH_REGS_BUFSIZE - len, + "MSR: \t0x%02x\n", ioread8(priv->membase + UART_MSR)); + len += snprintf(buf + len, PCH_REGS_BUFSIZE - len, + "BRCSR: \t0x%02x\n", + ioread8(priv->membase + PCH_UART_BRCSR)); + + lcr = ioread8(priv->membase + UART_LCR); + iowrite8(PCH_UART_LCR_DLAB, priv->membase + UART_LCR); + len += snprintf(buf + len, PCH_REGS_BUFSIZE - len, + "DLL: \t0x%02x\n", ioread8(priv->membase + UART_DLL)); + len += snprintf(buf + len, PCH_REGS_BUFSIZE - len, + "DLM: \t0x%02x\n", ioread8(priv->membase + UART_DLM)); + iowrite8(lcr, priv->membase + UART_LCR); + + if (len > PCH_REGS_BUFSIZE) + len = PCH_REGS_BUFSIZE; + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + return ret; } -static unsigned int get_msr(struct eg20t_port *priv, void __iomem *base) +static const struct file_operations port_regs_ops = { + .owner = THIS_MODULE, + .open = pch_show_regs_open, + .read = port_show_regs, + .llseek = default_llseek, +}; +#endif /* CONFIG_DEBUG_FS */ + +/* Return UART clock, checking for board specific clocks. */ +static int pch_uart_get_uartclk(void) { - unsigned int msr = ioread8(base + UART_MSR); - priv->dmsr |= msr & PCH_UART_MSR_DELTA; + const char *cmp; + + if (user_uartclk) + return user_uartclk; + + cmp = dmi_get_system_info(DMI_BOARD_NAME); + if (cmp && strstr(cmp, "CM-iTC")) + return CMITC_UARTCLK; + + cmp = dmi_get_system_info(DMI_BIOS_VERSION); + if (cmp && strnstr(cmp, "FRI2", 4)) + return FRI2_64_UARTCLK; + + cmp = dmi_get_system_info(DMI_PRODUCT_NAME); + if (cmp && strstr(cmp, "Fish River Island II")) + return FRI2_48_UARTCLK; - return msr; + return DEFAULT_UARTCLK; } static void pch_uart_hal_enable_interrupt(struct eg20t_port *priv, @@ -332,7 +414,7 @@ static int pch_uart_hal_set_line(struct eg20t_port *priv, int baud, unsigned int dll, dlm, lcr; int div; - div = DIV_ROUND_CLOSEST(priv->base_baud / 16, baud); + div = DIV_ROUND_CLOSEST(priv->uartclk / 16, baud); if (div < 0 || USHRT_MAX <= div) { dev_err(priv->port.dev, "Invalid Baud(div=0x%x)\n", div); return -EINVAL; @@ -442,8 +524,9 @@ static int pch_uart_hal_set_fifo(struct eg20t_port *priv, static u8 pch_uart_hal_get_modem(struct eg20t_port *priv) { - priv->dmsr = 0; - return get_msr(priv, priv->membase); + unsigned int msr = ioread8(priv->membase + UART_MSR); + priv->dmsr = msr & PCH_UART_MSR_DELTA; + return (u8)msr; } static void pch_uart_hal_write(struct eg20t_port *priv, @@ -524,7 +607,7 @@ static int push_rx(struct eg20t_port *priv, const unsigned char *buf, static int pop_tx_x(struct eg20t_port *priv, unsigned char *buf) { - int ret; + int ret = 0; struct uart_port *port = &priv->port; if (port->x_char) { @@ -533,8 +616,6 @@ static int pop_tx_x(struct eg20t_port *priv, unsigned char *buf) buf[0] = port->x_char; port->x_char = 0; ret = 1; - } else { - ret = 0; } return ret; @@ -1032,14 +1113,12 @@ static irqreturn_t pch_uart_interrupt(int irq, void *dev_id) static unsigned int pch_uart_tx_empty(struct uart_port *port) { struct eg20t_port *priv; - int ret; + priv = container_of(port, struct eg20t_port, port); if (priv->tx_empty) - ret = TIOCSER_TEMT; + return TIOCSER_TEMT; else - ret = 0; - - return ret; + return 0; } /* Returns the current state of modem control inputs. */ @@ -1153,9 +1232,9 @@ static int pch_uart_startup(struct uart_port *port) priv->tx_empty = 1; if (port->uartclk) - priv->base_baud = port->uartclk; + priv->uartclk = port->uartclk; else - port->uartclk = priv->base_baud; + port->uartclk = priv->uartclk; pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_ALL_INT); ret = pch_uart_hal_set_line(priv, default_baud, @@ -1273,9 +1352,8 @@ static void pch_uart_set_termios(struct uart_port *port, else parity = PCH_UART_HAL_PARITY_EVEN; - } else { + } else parity = PCH_UART_HAL_PARITY_NONE; - } /* Only UART0 has auto hardware flow function */ if ((termios->c_cflag & CRTSCTS) && (priv->fifo_size == 256)) @@ -1447,7 +1525,6 @@ static void pch_console_write(struct console *co, const char *s, unsigned int count) { struct eg20t_port *priv; - unsigned long flags; u8 ier; int locked = 1; @@ -1489,7 +1566,7 @@ pch_console_write(struct console *co, const char *s, unsigned int count) static int __init pch_console_setup(struct console *co, char *options) { struct uart_port *port; - int baud = 9600; + int baud = default_baud; int bits = 8; int parity = 'n'; int flow = 'n'; @@ -1506,8 +1583,7 @@ static int __init pch_console_setup(struct console *co, char *options) if (!port || (!port->iobase && !port->membase)) return -ENODEV; - /* setup uartclock */ - port->uartclk = DEFAULT_BAUD_RATE; + port->uartclk = pch_uart_get_uartclk(); if (options) uart_parse_options(options, &baud, &parity, &bits, &flow); @@ -1550,10 +1626,10 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev, unsigned int iobase; unsigned int mapbase; unsigned char *rxbuf; - int fifosize, base_baud; + int fifosize; int port_type; struct pch_uart_driver_data *board; - const char *board_name; + char name[32]; /* for debugfs file name */ board = &drv_dat[id->driver_data]; port_type = board->port_type; @@ -1566,13 +1642,6 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev, if (!rxbuf) goto init_port_free_txbuf; - base_baud = DEFAULT_BAUD_RATE; - - /* quirk for CM-iTC board */ - board_name = dmi_get_system_info(DMI_BOARD_NAME); - if (board_name && strstr(board_name, "CM-iTC")) - base_baud = 192000000; /* 192.0MHz */ - switch (port_type) { case PORT_UNKNOWN: fifosize = 256; /* EG20T/ML7213: UART0 */ @@ -1597,7 +1666,7 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev, priv->rxbuf.size = PAGE_SIZE; priv->fifo_size = fifosize; - priv->base_baud = base_baud; + priv->uartclk = pch_uart_get_uartclk(); priv->port_type = PORT_MAX_8250 + port_type + 1; priv->port.dev = &pdev->dev; priv->port.iobase = iobase; @@ -1614,7 +1683,8 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev, spin_lock_init(&priv->port.lock); pci_set_drvdata(pdev, priv); - pch_uart_hal_request(pdev, fifosize, base_baud); + priv->trigger_level = 1; + priv->fcr = 0; #ifdef CONFIG_SERIAL_PCH_UART_CONSOLE pch_uart_ports[board->line_no] = priv; @@ -1623,6 +1693,12 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev, if (ret < 0) goto init_port_hal_free; +#ifdef CONFIG_DEBUG_FS + snprintf(name, sizeof(name), "uart%d_regs", board->line_no); + priv->debugfs = debugfs_create_file(name, S_IFREG | S_IRUGO, + NULL, priv, &port_regs_ops); +#endif + return priv; init_port_hal_free: @@ -1639,6 +1715,11 @@ init_port_alloc_err: static void pch_uart_exit_port(struct eg20t_port *priv) { + +#ifdef CONFIG_DEBUG_FS + if (priv->debugfs) + debugfs_remove(priv->debugfs); +#endif uart_remove_one_port(&pch_uart_driver, &priv->port); pci_set_drvdata(priv->pdev, NULL); free_page((unsigned long)priv->rxbuf.buf); @@ -1646,9 +1727,7 @@ static void pch_uart_exit_port(struct eg20t_port *priv) static void pch_uart_pci_remove(struct pci_dev *pdev) { - struct eg20t_port *priv; - - priv = (struct eg20t_port *)pci_get_drvdata(pdev); + struct eg20t_port *priv = pci_get_drvdata(pdev); pci_disable_msi(pdev); @@ -1785,3 +1864,8 @@ module_exit(pch_uart_module_exit); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("Intel EG20T PCH UART PCI Driver"); module_param(default_baud, uint, S_IRUGO); +MODULE_PARM_DESC(default_baud, + "Default BAUD for initial driver state and console (default 9600)"); +module_param(user_uartclk, uint, S_IRUGO); +MODULE_PARM_DESC(user_uartclk, + "Override UART default or board specific UART clock"); diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c index e9c2dfe471a..08ebe901bb5 100644 --- a/drivers/tty/serial/pmac_zilog.c +++ b/drivers/tty/serial/pmac_zilog.c @@ -1506,7 +1506,7 @@ no_dma: * fixed up interrupt info, but we use the device-tree directly * here due to early probing so we need the fixup too. */ - if (uap->port.irq == NO_IRQ && + if (uap->port.irq == 0 && np->parent && np->parent->parent && of_device_is_compatible(np->parent->parent, "gatwick")) { /* IRQs on gatwick are offset by 64 */ diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c index 5c8e3bba6c8..e2fd3d8e0ab 100644 --- a/drivers/tty/serial/pxa.c +++ b/drivers/tty/serial/pxa.c @@ -579,9 +579,9 @@ serial_pxa_pm(struct uart_port *port, unsigned int state, struct uart_pxa_port *up = (struct uart_pxa_port *)port; if (!state) - clk_enable(up->clk); + clk_prepare_enable(up->clk); else - clk_disable(up->clk); + clk_disable_unprepare(up->clk); } static void serial_pxa_release_port(struct uart_port *port) @@ -668,7 +668,7 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count) struct uart_pxa_port *up = serial_pxa_ports[co->index]; unsigned int ier; - clk_enable(up->clk); + clk_prepare_enable(up->clk); /* * First save the IER then disable the interrupts @@ -685,7 +685,7 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count) wait_for_xmitr(up); serial_out(up, UART_IER, ier); - clk_disable(up->clk); + clk_disable_unprepare(up->clk); } static int __init diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index c55e5fb16fa..de249d265be 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -1507,7 +1507,7 @@ static struct s3c24xx_serial_drv_data s3c2412_serial_drv_data = { #endif #if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2416) || \ - defined(CONFIG_CPU_S3C2443) + defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2442) static struct s3c24xx_serial_drv_data s3c2440_serial_drv_data = { .info = &(struct s3c24xx_uart_info) { .name = "Samsung S3C2440 UART", diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 13056180adf..9c4c05b2825 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2230,7 +2230,6 @@ int uart_register_driver(struct uart_driver *drv) drv->tty_driver = normal; - normal->owner = drv->owner; normal->driver_name = drv->driver_name; normal->name = drv->dev_name; normal->major = drv->major; diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 75085795528..61b7fd2729c 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1710,6 +1710,8 @@ static int sci_startup(struct uart_port *port) dev_dbg(port->dev, "%s(%d)\n", __func__, port->line); + pm_runtime_put_noidle(port->dev); + sci_port_enable(s); ret = sci_request_irq(s); @@ -1737,6 +1739,8 @@ static void sci_shutdown(struct uart_port *port) sci_free_irq(s); sci_port_disable(s); + + pm_runtime_get_noresume(port->dev); } static unsigned int sci_scbrr_calc(unsigned int algo_id, unsigned int bps, @@ -2075,6 +2079,7 @@ static int __devinit sci_init_single(struct platform_device *dev, sci_init_gpios(sci_port); pm_runtime_irq_safe(&dev->dev); + pm_runtime_get_noresume(&dev->dev); pm_runtime_enable(&dev->dev); } diff --git a/drivers/tty/serial/sn_console.c b/drivers/tty/serial/sn_console.c index 238c7df73ef..4e1b5515f88 100644 --- a/drivers/tty/serial/sn_console.c +++ b/drivers/tty/serial/sn_console.c @@ -461,12 +461,12 @@ sn_receive_chars(struct sn_cons_port *port, unsigned long flags) struct tty_struct *tty; if (!port) { - printk(KERN_ERR "sn_receive_chars - port NULL so can't receieve\n"); + printk(KERN_ERR "sn_receive_chars - port NULL so can't receive\n"); return; } if (!port->sc_ops) { - printk(KERN_ERR "sn_receive_chars - port->sc_ops NULL so can't receieve\n"); + printk(KERN_ERR "sn_receive_chars - port->sc_ops NULL so can't receive\n"); return; } diff --git a/drivers/tty/serial/suncore.c b/drivers/tty/serial/suncore.c index 6381a0282ee..6e4ac8db2d7 100644 --- a/drivers/tty/serial/suncore.c +++ b/drivers/tty/serial/suncore.c @@ -17,11 +17,11 @@ #include <linux/errno.h> #include <linux/string.h> #include <linux/serial_core.h> +#include <linux/sunserialcore.h> #include <linux/init.h> #include <asm/prom.h> -#include "suncore.h" static int sunserial_current_minor = 64; diff --git a/drivers/tty/serial/suncore.h b/drivers/tty/serial/suncore.h deleted file mode 100644 index db2057936c3..00000000000 --- a/drivers/tty/serial/suncore.h +++ /dev/null @@ -1,33 +0,0 @@ -/* suncore.h - * - * Generic SUN serial/kbd/ms layer. Based entirely - * upon drivers/sbus/char/sunserial.h which is: - * - * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) - * - * Port to new UART layer is: - * - * Copyright (C) 2002 David S. Miller (davem@redhat.com) - */ - -#ifndef _SERIAL_SUN_H -#define _SERIAL_SUN_H - -/* Serial keyboard defines for L1-A processing... */ -#define SUNKBD_RESET 0xff -#define SUNKBD_L1 0x01 -#define SUNKBD_UP 0x80 -#define SUNKBD_A 0x4d - -extern unsigned int suncore_mouse_baud_cflag_next(unsigned int, int *); -extern int suncore_mouse_baud_detection(unsigned char, int); - -extern int sunserial_register_minors(struct uart_driver *, int); -extern void sunserial_unregister_minors(struct uart_driver *, int); - -extern int sunserial_console_match(struct console *, struct device_node *, - struct uart_driver *, int, bool); -extern void sunserial_console_termios(struct console *, - struct device_node *); - -#endif /* !(_SERIAL_SUN_H) */ diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c index c0b7246d733..3ba5d285c2d 100644 --- a/drivers/tty/serial/sunhv.c +++ b/drivers/tty/serial/sunhv.c @@ -29,8 +29,7 @@ #endif #include <linux/serial_core.h> - -#include "suncore.h" +#include <linux/sunserialcore.h> #define CON_BREAK ((long)-1) #define CON_HUP ((long)-2) diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c index b5fa2a57b9d..62dacd0ba52 100644 --- a/drivers/tty/serial/sunsab.c +++ b/drivers/tty/serial/sunsab.c @@ -43,8 +43,8 @@ #endif #include <linux/serial_core.h> +#include <linux/sunserialcore.h> -#include "suncore.h" #include "sunsab.h" struct uart_sunsab_port { diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c index ad0f8f5f6ea..d3ca6da129f 100644 --- a/drivers/tty/serial/sunsu.c +++ b/drivers/tty/serial/sunsu.c @@ -47,8 +47,7 @@ #endif #include <linux/serial_core.h> - -#include "suncore.h" +#include <linux/sunserialcore.h> /* We are on a NS PC87303 clocked with 24.0 MHz, which results * in a UART clock of 1.8462 MHz. diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c index 8e916e76b7b..da4415842a4 100644 --- a/drivers/tty/serial/sunzilog.c +++ b/drivers/tty/serial/sunzilog.c @@ -43,8 +43,8 @@ #endif #include <linux/serial_core.h> +#include <linux/sunserialcore.h> -#include "suncore.h" #include "sunzilog.h" /* On 32-bit sparcs we need to delay after register accesses @@ -1397,7 +1397,7 @@ static void __devinit sunzilog_init_hw(struct uart_sunzilog_port *up) #endif } -static int zilog_irq = -1; +static int zilog_irq; static int __devinit zs_probe(struct platform_device *op) { @@ -1425,7 +1425,7 @@ static int __devinit zs_probe(struct platform_device *op) rp = sunzilog_chip_regs[inst]; - if (zilog_irq == -1) + if (!zilog_irq) zilog_irq = op->archdata.irqs[0]; up = &sunzilog_port_table[inst * 2]; @@ -1580,7 +1580,7 @@ static int __init sunzilog_init(void) if (err) goto out_unregister_uart; - if (zilog_irq != -1) { + if (!zilog_irq) { struct uart_sunzilog_port *up = sunzilog_irq_chain; err = request_irq(zilog_irq, sunzilog_interrupt, IRQF_SHARED, "zs", sunzilog_irq_chain); @@ -1621,7 +1621,7 @@ static void __exit sunzilog_exit(void) { platform_driver_unregister(&zs_driver); - if (zilog_irq != -1) { + if (!zilog_irq) { struct uart_sunzilog_port *up = sunzilog_irq_chain; /* Disable Interrupts */ @@ -1637,7 +1637,7 @@ static void __exit sunzilog_exit(void) } free_irq(zilog_irq, sunzilog_irq_chain); - zilog_irq = -1; + zilog_irq = 0; } if (sunzilog_reg.nr) { diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c index 2ebe606a2db..f99b0c965f8 100644 --- a/drivers/tty/serial/ucc_uart.c +++ b/drivers/tty/serial/ucc_uart.c @@ -1360,7 +1360,7 @@ static int ucc_uart_probe(struct platform_device *ofdev) } qe_port->port.irq = irq_of_parse_and_map(np, 0); - if (qe_port->port.irq == NO_IRQ) { + if (qe_port->port.irq == 0) { dev_err(&ofdev->dev, "could not map IRQ for UCC%u\n", qe_port->ucc_num + 1); ret = -EINVAL; diff --git a/drivers/tty/serial/vr41xx_siu.c b/drivers/tty/serial/vr41xx_siu.c index 83148e79ca1..cf0d9485ec0 100644 --- a/drivers/tty/serial/vr41xx_siu.c +++ b/drivers/tty/serial/vr41xx_siu.c @@ -61,7 +61,7 @@ static struct uart_port siu_uart_ports[SIU_PORTS_MAX] = { [0 ... SIU_PORTS_MAX-1] = { .lock = __SPIN_LOCK_UNLOCKED(siu_uart_ports->lock), - .irq = -1, + .irq = 0, }, }; @@ -171,7 +171,7 @@ static inline unsigned int siu_check_type(struct uart_port *port) { if (port->line == 0) return PORT_VR41XX_SIU; - if (port->line == 1 && port->irq != -1) + if (port->line == 1 && port->irq) return PORT_VR41XX_DSIU; return PORT_UNKNOWN; diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c index 026cb9ea5cd..2be006fb3da 100644 --- a/drivers/tty/serial/vt8500_serial.c +++ b/drivers/tty/serial/vt8500_serial.c @@ -544,7 +544,7 @@ static struct uart_driver vt8500_uart_driver = { .cons = VT8500_CONSOLE, }; -static int __init vt8500_serial_probe(struct platform_device *pdev) +static int __devinit vt8500_serial_probe(struct platform_device *pdev) { struct vt8500_port *vt8500_port; struct resource *mmres, *irqres; @@ -605,7 +605,7 @@ static int __devexit vt8500_serial_remove(struct platform_device *pdev) static struct platform_driver vt8500_platform_driver = { .probe = vt8500_serial_probe, - .remove = vt8500_serial_remove, + .remove = __devexit_p(vt8500_serial_remove), .driver = { .name = "vt8500_serial", .owner = THIS_MODULE, diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c index ff8017f8791..8e518da85fd 100644 --- a/drivers/tty/synclink.c +++ b/drivers/tty/synclink.c @@ -3381,7 +3381,7 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) /* verify range of specified line number */ line = tty->index; - if ((line < 0) || (line >= mgsl_device_count)) { + if (line >= mgsl_device_count) { printk("%s(%d):mgsl_open with invalid line #%d.\n", __FILE__,__LINE__,line); return -ENODEV; @@ -4333,7 +4333,6 @@ static int mgsl_init_tty(void) if (!serial_driver) return -ENOMEM; - serial_driver->owner = THIS_MODULE; serial_driver->driver_name = "synclink"; serial_driver->name = "ttySL"; serial_driver->major = ttymajor; diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c index 18b48cd3b41..6bee4907c6a 100644 --- a/drivers/tty/synclink_gt.c +++ b/drivers/tty/synclink_gt.c @@ -654,7 +654,7 @@ static int open(struct tty_struct *tty, struct file *filp) unsigned long flags; line = tty->index; - if ((line < 0) || (line >= slgt_device_count)) { + if (line >= slgt_device_count) { DBGERR(("%s: open with invalid line #%d.\n", driver_name, line)); return -ENODEV; } @@ -3795,7 +3795,6 @@ static int __init slgt_init(void) /* Initialize the tty_driver structure */ - serial_driver->owner = THIS_MODULE; serial_driver->driver_name = tty_driver_name; serial_driver->name = tty_dev_prefix; serial_driver->major = ttymajor; diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c index a7efe538df0..4fb6c4b31b7 100644 --- a/drivers/tty/synclinkmp.c +++ b/drivers/tty/synclinkmp.c @@ -721,7 +721,7 @@ static int open(struct tty_struct *tty, struct file *filp) unsigned long flags; line = tty->index; - if ((line < 0) || (line >= synclinkmp_device_count)) { + if (line >= synclinkmp_device_count) { printk("%s(%d): open with invalid line #%d.\n", __FILE__,__LINE__,line); return -ENODEV; @@ -3977,7 +3977,6 @@ static int __init synclinkmp_init(void) /* Initialize the tty_driver structure */ - serial_driver->owner = THIS_MODULE; serial_driver->driver_name = "synclinkmp"; serial_driver->name = "ttySLM"; serial_driver->major = ttymajor; diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index 7867b7c4538..ecb8e2203ac 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -110,11 +110,9 @@ static struct sysrq_key_op sysrq_SAK_op = { #ifdef CONFIG_VT static void sysrq_handle_unraw(int key) { - struct kbd_struct *kbd = &kbd_table[fg_console]; - - if (kbd) - kbd->kbdmode = default_utf8 ? VC_UNICODE : VC_XLATE; + vt_reset_unicode(fg_console); } + static struct sysrq_key_op sysrq_unraw_op = { .handler = sysrq_handle_unraw, .help_msg = "unRaw", @@ -322,11 +320,16 @@ static void send_sig_all(int sig) { struct task_struct *p; + read_lock(&tasklist_lock); for_each_process(p) { - if (p->mm && !is_global_init(p)) - /* Not swapper, init nor kernel thread */ - force_sig(sig, p); + if (p->flags & PF_KTHREAD) + continue; + if (is_global_init(p)) + continue; + + force_sig(sig, p); } + read_unlock(&tasklist_lock); } static void sysrq_handle_term(int key) diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index e41b9bbc107..dd8a938510c 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -1230,13 +1230,10 @@ static void tty_line_name(struct tty_driver *driver, int index, char *p) static struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver, struct inode *inode, int idx) { - struct tty_struct *tty; - if (driver->ops->lookup) return driver->ops->lookup(driver, inode, idx); - tty = driver->ttys[idx]; - return tty; + return driver->ttys[idx]; } /** @@ -1271,6 +1268,19 @@ int tty_init_termios(struct tty_struct *tty) } EXPORT_SYMBOL_GPL(tty_init_termios); +int tty_standard_install(struct tty_driver *driver, struct tty_struct *tty) +{ + int ret = tty_init_termios(tty); + if (ret) + return ret; + + tty_driver_kref_get(driver); + tty->count++; + driver->ttys[tty->index] = tty; + return 0; +} +EXPORT_SYMBOL_GPL(tty_standard_install); + /** * tty_driver_install_tty() - install a tty entry in the driver * @driver: the driver for the tty @@ -1286,21 +1296,8 @@ EXPORT_SYMBOL_GPL(tty_init_termios); static int tty_driver_install_tty(struct tty_driver *driver, struct tty_struct *tty) { - int idx = tty->index; - int ret; - - if (driver->ops->install) { - ret = driver->ops->install(driver, tty); - return ret; - } - - if (tty_init_termios(tty) == 0) { - tty_driver_kref_get(driver); - tty->count++; - driver->ttys[idx] = tty; - return 0; - } - return -ENOMEM; + return driver->ops->install ? driver->ops->install(driver, tty) : + tty_standard_install(driver, tty); } /** @@ -1351,7 +1348,6 @@ static int tty_reopen(struct tty_struct *tty) tty->link->count++; } tty->count++; - tty->driver = driver; /* N.B. why do this every time?? */ mutex_lock(&tty->ldisc_mutex); WARN_ON(!test_bit(TTY_LDISC, &tty->flags)); @@ -1365,7 +1361,6 @@ static int tty_reopen(struct tty_struct *tty) * @driver: tty driver we are opening a device on * @idx: device index * @ret_tty: returned tty structure - * @first_ok: ok to open a new device (used by ptmx) * * Prepare a tty device. This may not be a "new" clean device but * could also be an active device. The pty drivers require special @@ -1385,18 +1380,11 @@ static int tty_reopen(struct tty_struct *tty) * relaxed for the (most common) case of reopening a tty. */ -struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx, - int first_ok) +struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx) { struct tty_struct *tty; int retval; - /* Check if pty master is being opened multiple times */ - if (driver->subtype == PTY_TYPE_MASTER && - (driver->flags & TTY_DRIVER_DEVPTS_MEM) && !first_ok) { - return ERR_PTR(-EIO); - } - /* * First time open is complex, especially for PTY devices. * This code guarantees that either everything succeeds and the @@ -1950,7 +1938,7 @@ retry_open: if (retval) tty = ERR_PTR(retval); } else - tty = tty_init_dev(driver, index, 0); + tty = tty_init_dev(driver, index); mutex_unlock(&tty_mutex); if (driver) @@ -2941,7 +2929,6 @@ void initialize_tty_struct(struct tty_struct *tty, tty->session = NULL; tty->pgrp = NULL; tty->overrun_time = jiffies; - tty->buf.head = tty->buf.tail = NULL; tty_buffer_init(tty); mutex_init(&tty->termios_mutex); mutex_init(&tty->ldisc_mutex); @@ -3058,7 +3045,7 @@ void tty_unregister_device(struct tty_driver *driver, unsigned index) } EXPORT_SYMBOL(tty_unregister_device); -struct tty_driver *alloc_tty_driver(int lines) +struct tty_driver *__alloc_tty_driver(int lines, struct module *owner) { struct tty_driver *driver; @@ -3067,11 +3054,12 @@ struct tty_driver *alloc_tty_driver(int lines) kref_init(&driver->kref); driver->magic = TTY_DRIVER_MAGIC; driver->num = lines; + driver->owner = owner; /* later we'll move allocation of tables here */ } return driver; } -EXPORT_SYMBOL(alloc_tty_driver); +EXPORT_SYMBOL(__alloc_tty_driver); static void destruct_tty_driver(struct kref *kref) { diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c index a0f3d6c4d39..8308fc7cdc2 100644 --- a/drivers/tty/vt/consolemap.c +++ b/drivers/tty/vt/consolemap.c @@ -516,6 +516,7 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) int err = 0, err1, i; struct uni_pagedir *p, *q; + /* Save original vc_unipagdir_loc in case we allocate a new one */ p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc; if (p->readonly) return -EIO; @@ -528,26 +529,57 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) err1 = con_clear_unimap(vc, NULL); if (err1) return err1; + /* + * Since refcount was > 1, con_clear_unimap() allocated a + * a new uni_pagedir for this vc. Re: p != q + */ q = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc; - for (i = 0, l = 0; i < 32; i++) + + /* + * uni_pgdir is a 32*32*64 table with rows allocated + * when its first entry is added. The unicode value must + * still be incremented for empty rows. We are copying + * entries from "p" (old) to "q" (new). + */ + l = 0; /* unicode value */ + for (i = 0; i < 32; i++) if ((p1 = p->uni_pgdir[i])) for (j = 0; j < 32; j++) - if ((p2 = p1[j])) + if ((p2 = p1[j])) { for (k = 0; k < 64; k++, l++) if (p2[k] != 0xffff) { + /* + * Found one, copy entry for unicode + * l with fontpos value p2[k]. + */ err1 = con_insert_unipair(q, l, p2[k]); if (err1) { p->refcount++; *vc->vc_uni_pagedir_loc = (unsigned long)p; con_release_unimap(q); kfree(q); - return err1; + return err1; } - } - p = q; - } else if (p == dflt) + } + } else { + /* Account for row of 64 empty entries */ + l += 64; + } + else + /* Account for empty table */ + l += 32 * 64; + + /* + * Finished copying font table, set vc_uni_pagedir to new table + */ + p = q; + } else if (p == dflt) { dflt = NULL; - + } + + /* + * Insert user specified unicode pairs into new table. + */ while (ct--) { unsigned short unicode, fontpos; __get_user(unicode, &list->unicode); @@ -557,11 +589,14 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) list++; } + /* + * Merge with fontmaps of any other virtual consoles. + */ if (con_unify_unimap(vc, p)) return err; for (i = 0; i <= 3; i++) - set_inverse_transl(vc, p, i); /* Update all inverse translations */ + set_inverse_transl(vc, p, i); /* Update inverse translations */ set_inverse_trans_unicode(vc, p); return err; diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c index a605549ee28..86dd1e302bb 100644 --- a/drivers/tty/vt/keyboard.c +++ b/drivers/tty/vt/keyboard.c @@ -41,6 +41,7 @@ #include <linux/reboot.h> #include <linux/notifier.h> #include <linux/jiffies.h> +#include <linux/uaccess.h> #include <asm/irq_regs.h> @@ -55,8 +56,8 @@ extern void ctrl_alt_del(void); /* * Some laptops take the 789uiojklm,. keys as number pad when NumLock is on. * This seems a good reason to start with NumLock off. On HIL keyboards - * of PARISC machines however there is no NumLock key and everyone expects the keypad - * to be used for numbers. + * of PARISC machines however there is no NumLock key and everyone expects the + * keypad to be used for numbers. */ #if defined(CONFIG_PARISC) && (defined(CONFIG_KEYBOARD_HIL) || defined(CONFIG_KEYBOARD_HIL_OLD)) @@ -67,8 +68,6 @@ extern void ctrl_alt_del(void); #define KBD_DEFLOCK 0 -void compute_shiftstate(void); - /* * Handler Tables. */ @@ -99,35 +98,29 @@ static fn_handler_fn *fn_handler[] = { FN_HANDLERS }; * Variables exported for vt_ioctl.c */ -/* maximum values each key_handler can handle */ -const int max_vals[] = { - 255, ARRAY_SIZE(func_table) - 1, ARRAY_SIZE(fn_handler) - 1, NR_PAD - 1, - NR_DEAD - 1, 255, 3, NR_SHIFT - 1, 255, NR_ASCII - 1, NR_LOCK - 1, - 255, NR_LOCK - 1, 255, NR_BRL - 1 -}; - -const int NR_TYPES = ARRAY_SIZE(max_vals); - -struct kbd_struct kbd_table[MAX_NR_CONSOLES]; -EXPORT_SYMBOL_GPL(kbd_table); -static struct kbd_struct *kbd = kbd_table; - struct vt_spawn_console vt_spawn_con = { .lock = __SPIN_LOCK_UNLOCKED(vt_spawn_con.lock), .pid = NULL, .sig = 0, }; -/* - * Variables exported for vt.c - */ - -int shift_state = 0; /* * Internal Data. */ +static struct kbd_struct kbd_table[MAX_NR_CONSOLES]; +static struct kbd_struct *kbd = kbd_table; + +/* maximum values each key_handler can handle */ +static const int max_vals[] = { + 255, ARRAY_SIZE(func_table) - 1, ARRAY_SIZE(fn_handler) - 1, NR_PAD - 1, + NR_DEAD - 1, 255, 3, NR_SHIFT - 1, 255, NR_ASCII - 1, NR_LOCK - 1, + 255, NR_LOCK - 1, 255, NR_BRL - 1 +}; + +static const int NR_TYPES = ARRAY_SIZE(max_vals); + static struct input_handler kbd_handler; static DEFINE_SPINLOCK(kbd_event_lock); static unsigned long key_down[BITS_TO_LONGS(KEY_CNT)]; /* keyboard key bitmap */ @@ -137,6 +130,8 @@ static int npadch = -1; /* -1 or number assembled on pad */ static unsigned int diacr; static char rep; /* flag telling character repeat */ +static int shift_state = 0; + static unsigned char ledstate = 0xff; /* undefined */ static unsigned char ledioctl; @@ -187,7 +182,7 @@ static int getkeycode_helper(struct input_handle *handle, void *data) return d->error == 0; /* stop as soon as we successfully get one */ } -int getkeycode(unsigned int scancode) +static int getkeycode(unsigned int scancode) { struct getset_keycode_data d = { .ke = { @@ -214,7 +209,7 @@ static int setkeycode_helper(struct input_handle *handle, void *data) return d->error == 0; /* stop as soon as we successfully set one */ } -int setkeycode(unsigned int scancode, unsigned int keycode) +static int setkeycode(unsigned int scancode, unsigned int keycode) { struct getset_keycode_data d = { .ke = { @@ -382,9 +377,11 @@ static void to_utf8(struct vc_data *vc, uint c) /* * Called after returning from RAW mode or when changing consoles - recompute * shift_down[] and shift_state from key_down[] maybe called when keymap is - * undefined, so that shiftkey release is seen + * undefined, so that shiftkey release is seen. The caller must hold the + * kbd_event_lock. */ -void compute_shiftstate(void) + +static void do_compute_shiftstate(void) { unsigned int i, j, k, sym, val; @@ -417,6 +414,15 @@ void compute_shiftstate(void) } } +/* We still have to export this method to vt.c */ +void compute_shiftstate(void) +{ + unsigned long flags; + spin_lock_irqsave(&kbd_event_lock, flags); + do_compute_shiftstate(); + spin_unlock_irqrestore(&kbd_event_lock, flags); +} + /* * We have a combining character DIACR here, followed by the character CH. * If the combination occurs in the table, return the corresponding value. @@ -636,7 +642,7 @@ static void fn_SAK(struct vc_data *vc) static void fn_null(struct vc_data *vc) { - compute_shiftstate(); + do_compute_shiftstate(); } /* @@ -989,6 +995,8 @@ unsigned char getledstate(void) void setledstate(struct kbd_struct *kbd, unsigned int led) { + unsigned long flags; + spin_lock_irqsave(&kbd_event_lock, flags); if (!(led & ~7)) { ledioctl = led; kbd->ledmode = LED_SHOW_IOCTL; @@ -996,6 +1004,7 @@ void setledstate(struct kbd_struct *kbd, unsigned int led) kbd->ledmode = LED_SHOW_FLAGS; set_leds(); + spin_unlock_irqrestore(&kbd_event_lock, flags); } static inline unsigned char getleds(void) @@ -1035,6 +1044,75 @@ static int kbd_update_leds_helper(struct input_handle *handle, void *data) return 0; } +/** + * vt_get_leds - helper for braille console + * @console: console to read + * @flag: flag we want to check + * + * Check the status of a keyboard led flag and report it back + */ +int vt_get_leds(int console, int flag) +{ + unsigned long flags; + struct kbd_struct * kbd = kbd_table + console; + int ret; + + spin_lock_irqsave(&kbd_event_lock, flags); + ret = vc_kbd_led(kbd, flag); + spin_unlock_irqrestore(&kbd_event_lock, flags); + + return ret; +} +EXPORT_SYMBOL_GPL(vt_get_leds); + +/** + * vt_set_led_state - set LED state of a console + * @console: console to set + * @leds: LED bits + * + * Set the LEDs on a console. This is a wrapper for the VT layer + * so that we can keep kbd knowledge internal + */ +void vt_set_led_state(int console, int leds) +{ + struct kbd_struct * kbd = kbd_table + console; + setledstate(kbd, leds); +} + +/** + * vt_kbd_con_start - Keyboard side of console start + * @console: console + * + * Handle console start. This is a wrapper for the VT layer + * so that we can keep kbd knowledge internal + */ +void vt_kbd_con_start(int console) +{ + struct kbd_struct * kbd = kbd_table + console; + unsigned long flags; + spin_lock_irqsave(&kbd_event_lock, flags); + clr_vc_kbd_led(kbd, VC_SCROLLOCK); + set_leds(); + spin_unlock_irqrestore(&kbd_event_lock, flags); +} + +/** + * vt_kbd_con_stop - Keyboard side of console stop + * @console: console + * + * Handle console stop. This is a wrapper for the VT layer + * so that we can keep kbd knowledge internal + */ +void vt_kbd_con_stop(int console) +{ + struct kbd_struct * kbd = kbd_table + console; + unsigned long flags; + spin_lock_irqsave(&kbd_event_lock, flags); + set_vc_kbd_led(kbd, VC_SCROLLOCK); + set_leds(); + spin_unlock_irqrestore(&kbd_event_lock, flags); +} + /* * This is the tasklet that updates LED state on all keyboards * attached to the box. The reason we use tasklet is that we @@ -1254,7 +1332,7 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw) if (rc == NOTIFY_STOP || !key_map) { atomic_notifier_call_chain(&keyboard_notifier_list, KBD_UNBOUND_KEYCODE, ¶m); - compute_shiftstate(); + do_compute_shiftstate(); kbd->slockstate = 0; return; } @@ -1404,14 +1482,14 @@ static void kbd_start(struct input_handle *handle) static const struct input_device_id kbd_ids[] = { { - .flags = INPUT_DEVICE_ID_MATCH_EVBIT, - .evbit = { BIT_MASK(EV_KEY) }, - }, + .flags = INPUT_DEVICE_ID_MATCH_EVBIT, + .evbit = { BIT_MASK(EV_KEY) }, + }, { - .flags = INPUT_DEVICE_ID_MATCH_EVBIT, - .evbit = { BIT_MASK(EV_SND) }, - }, + .flags = INPUT_DEVICE_ID_MATCH_EVBIT, + .evbit = { BIT_MASK(EV_SND) }, + }, { }, /* Terminating entry */ }; @@ -1433,7 +1511,7 @@ int __init kbd_init(void) int i; int error; - for (i = 0; i < MAX_NR_CONSOLES; i++) { + for (i = 0; i < MAX_NR_CONSOLES; i++) { kbd_table[i].ledflagstate = KBD_DEFLEDS; kbd_table[i].default_ledflagstate = KBD_DEFLEDS; kbd_table[i].ledmode = LED_SHOW_FLAGS; @@ -1452,3 +1530,658 @@ int __init kbd_init(void) return 0; } + +/* Ioctl support code */ + +/** + * vt_do_diacrit - diacritical table updates + * @cmd: ioctl request + * @up: pointer to user data for ioctl + * @perm: permissions check computed by caller + * + * Update the diacritical tables atomically and safely. Lock them + * against simultaneous keypresses + */ +int vt_do_diacrit(unsigned int cmd, void __user *up, int perm) +{ + struct kbdiacrs __user *a = up; + unsigned long flags; + int asize; + int ret = 0; + + switch (cmd) { + case KDGKBDIACR: + { + struct kbdiacr *diacr; + int i; + + diacr = kmalloc(MAX_DIACR * sizeof(struct kbdiacr), + GFP_KERNEL); + if (diacr == NULL) + return -ENOMEM; + + /* Lock the diacriticals table, make a copy and then + copy it after we unlock */ + spin_lock_irqsave(&kbd_event_lock, flags); + + asize = accent_table_size; + for (i = 0; i < asize; i++) { + diacr[i].diacr = conv_uni_to_8bit( + accent_table[i].diacr); + diacr[i].base = conv_uni_to_8bit( + accent_table[i].base); + diacr[i].result = conv_uni_to_8bit( + accent_table[i].result); + } + spin_unlock_irqrestore(&kbd_event_lock, flags); + + if (put_user(asize, &a->kb_cnt)) + ret = -EFAULT; + else if (copy_to_user(a->kbdiacr, diacr, + asize * sizeof(struct kbdiacr))) + ret = -EFAULT; + kfree(diacr); + return ret; + } + case KDGKBDIACRUC: + { + struct kbdiacrsuc __user *a = up; + void *buf; + + buf = kmalloc(MAX_DIACR * sizeof(struct kbdiacruc), + GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + /* Lock the diacriticals table, make a copy and then + copy it after we unlock */ + spin_lock_irqsave(&kbd_event_lock, flags); + + asize = accent_table_size; + memcpy(buf, accent_table, asize * sizeof(struct kbdiacruc)); + + spin_unlock_irqrestore(&kbd_event_lock, flags); + + if (put_user(asize, &a->kb_cnt)) + ret = -EFAULT; + else if (copy_to_user(a->kbdiacruc, buf, + asize*sizeof(struct kbdiacruc))) + ret = -EFAULT; + kfree(buf); + return ret; + } + + case KDSKBDIACR: + { + struct kbdiacrs __user *a = up; + struct kbdiacr *diacr = NULL; + unsigned int ct; + int i; + + if (!perm) + return -EPERM; + if (get_user(ct, &a->kb_cnt)) + return -EFAULT; + if (ct >= MAX_DIACR) + return -EINVAL; + + if (ct) { + diacr = kmalloc(sizeof(struct kbdiacr) * ct, + GFP_KERNEL); + if (diacr == NULL) + return -ENOMEM; + + if (copy_from_user(diacr, a->kbdiacr, + sizeof(struct kbdiacr) * ct)) { + kfree(diacr); + return -EFAULT; + } + } + + spin_lock_irqsave(&kbd_event_lock, flags); + accent_table_size = ct; + for (i = 0; i < ct; i++) { + accent_table[i].diacr = + conv_8bit_to_uni(diacr[i].diacr); + accent_table[i].base = + conv_8bit_to_uni(diacr[i].base); + accent_table[i].result = + conv_8bit_to_uni(diacr[i].result); + } + spin_unlock_irqrestore(&kbd_event_lock, flags); + kfree(diacr); + return 0; + } + + case KDSKBDIACRUC: + { + struct kbdiacrsuc __user *a = up; + unsigned int ct; + void *buf = NULL; + + if (!perm) + return -EPERM; + + if (get_user(ct, &a->kb_cnt)) + return -EFAULT; + + if (ct >= MAX_DIACR) + return -EINVAL; + + if (ct) { + buf = kmalloc(ct * sizeof(struct kbdiacruc), + GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + if (copy_from_user(buf, a->kbdiacruc, + ct * sizeof(struct kbdiacruc))) { + kfree(buf); + return -EFAULT; + } + } + spin_lock_irqsave(&kbd_event_lock, flags); + if (ct) + memcpy(accent_table, buf, + ct * sizeof(struct kbdiacruc)); + accent_table_size = ct; + spin_unlock_irqrestore(&kbd_event_lock, flags); + kfree(buf); + return 0; + } + } + return ret; +} + +/** + * vt_do_kdskbmode - set keyboard mode ioctl + * @console: the console to use + * @arg: the requested mode + * + * Update the keyboard mode bits while holding the correct locks. + * Return 0 for success or an error code. + */ +int vt_do_kdskbmode(int console, unsigned int arg) +{ + struct kbd_struct * kbd = kbd_table + console; + int ret = 0; + unsigned long flags; + + spin_lock_irqsave(&kbd_event_lock, flags); + switch(arg) { + case K_RAW: + kbd->kbdmode = VC_RAW; + break; + case K_MEDIUMRAW: + kbd->kbdmode = VC_MEDIUMRAW; + break; + case K_XLATE: + kbd->kbdmode = VC_XLATE; + do_compute_shiftstate(); + break; + case K_UNICODE: + kbd->kbdmode = VC_UNICODE; + do_compute_shiftstate(); + break; + case K_OFF: + kbd->kbdmode = VC_OFF; + break; + default: + ret = -EINVAL; + } + spin_unlock_irqrestore(&kbd_event_lock, flags); + return ret; +} + +/** + * vt_do_kdskbmeta - set keyboard meta state + * @console: the console to use + * @arg: the requested meta state + * + * Update the keyboard meta bits while holding the correct locks. + * Return 0 for success or an error code. + */ +int vt_do_kdskbmeta(int console, unsigned int arg) +{ + struct kbd_struct * kbd = kbd_table + console; + int ret = 0; + unsigned long flags; + + spin_lock_irqsave(&kbd_event_lock, flags); + switch(arg) { + case K_METABIT: + clr_vc_kbd_mode(kbd, VC_META); + break; + case K_ESCPREFIX: + set_vc_kbd_mode(kbd, VC_META); + break; + default: + ret = -EINVAL; + } + spin_unlock_irqrestore(&kbd_event_lock, flags); + return ret; +} + +int vt_do_kbkeycode_ioctl(int cmd, struct kbkeycode __user *user_kbkc, + int perm) +{ + struct kbkeycode tmp; + int kc = 0; + + if (copy_from_user(&tmp, user_kbkc, sizeof(struct kbkeycode))) + return -EFAULT; + switch (cmd) { + case KDGETKEYCODE: + kc = getkeycode(tmp.scancode); + if (kc >= 0) + kc = put_user(kc, &user_kbkc->keycode); + break; + case KDSETKEYCODE: + if (!perm) + return -EPERM; + kc = setkeycode(tmp.scancode, tmp.keycode); + break; + } + return kc; +} + +#define i (tmp.kb_index) +#define s (tmp.kb_table) +#define v (tmp.kb_value) + +int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, + int console) +{ + struct kbd_struct * kbd = kbd_table + console; + struct kbentry tmp; + ushort *key_map, *new_map, val, ov; + unsigned long flags; + + if (copy_from_user(&tmp, user_kbe, sizeof(struct kbentry))) + return -EFAULT; + + if (!capable(CAP_SYS_TTY_CONFIG)) + perm = 0; + + switch (cmd) { + case KDGKBENT: + /* Ensure another thread doesn't free it under us */ + spin_lock_irqsave(&kbd_event_lock, flags); + key_map = key_maps[s]; + if (key_map) { + val = U(key_map[i]); + if (kbd->kbdmode != VC_UNICODE && KTYP(val) >= NR_TYPES) + val = K_HOLE; + } else + val = (i ? K_HOLE : K_NOSUCHMAP); + spin_unlock_irqrestore(&kbd_event_lock, flags); + return put_user(val, &user_kbe->kb_value); + case KDSKBENT: + if (!perm) + return -EPERM; + if (!i && v == K_NOSUCHMAP) { + spin_lock_irqsave(&kbd_event_lock, flags); + /* deallocate map */ + key_map = key_maps[s]; + if (s && key_map) { + key_maps[s] = NULL; + if (key_map[0] == U(K_ALLOCATED)) { + kfree(key_map); + keymap_count--; + } + } + spin_unlock_irqrestore(&kbd_event_lock, flags); + break; + } + + if (KTYP(v) < NR_TYPES) { + if (KVAL(v) > max_vals[KTYP(v)]) + return -EINVAL; + } else + if (kbd->kbdmode != VC_UNICODE) + return -EINVAL; + + /* ++Geert: non-PC keyboards may generate keycode zero */ +#if !defined(__mc68000__) && !defined(__powerpc__) + /* assignment to entry 0 only tests validity of args */ + if (!i) + break; +#endif + + new_map = kmalloc(sizeof(plain_map), GFP_KERNEL); + if (!new_map) + return -ENOMEM; + spin_lock_irqsave(&kbd_event_lock, flags); + key_map = key_maps[s]; + if (key_map == NULL) { + int j; + + if (keymap_count >= MAX_NR_OF_USER_KEYMAPS && + !capable(CAP_SYS_RESOURCE)) { + spin_unlock_irqrestore(&kbd_event_lock, flags); + kfree(new_map); + return -EPERM; + } + key_maps[s] = new_map; + key_map = new_map; + key_map[0] = U(K_ALLOCATED); + for (j = 1; j < NR_KEYS; j++) + key_map[j] = U(K_HOLE); + keymap_count++; + } else + kfree(new_map); + + ov = U(key_map[i]); + if (v == ov) + goto out; + /* + * Attention Key. + */ + if (((ov == K_SAK) || (v == K_SAK)) && !capable(CAP_SYS_ADMIN)) { + spin_unlock_irqrestore(&kbd_event_lock, flags); + return -EPERM; + } + key_map[i] = U(v); + if (!s && (KTYP(ov) == KT_SHIFT || KTYP(v) == KT_SHIFT)) + do_compute_shiftstate(); +out: + spin_unlock_irqrestore(&kbd_event_lock, flags); + break; + } + return 0; +} +#undef i +#undef s +#undef v + +/* FIXME: This one needs untangling and locking */ +int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm) +{ + struct kbsentry *kbs; + char *p; + u_char *q; + u_char __user *up; + int sz; + int delta; + char *first_free, *fj, *fnw; + int i, j, k; + int ret; + + if (!capable(CAP_SYS_TTY_CONFIG)) + perm = 0; + + kbs = kmalloc(sizeof(*kbs), GFP_KERNEL); + if (!kbs) { + ret = -ENOMEM; + goto reterr; + } + + /* we mostly copy too much here (512bytes), but who cares ;) */ + if (copy_from_user(kbs, user_kdgkb, sizeof(struct kbsentry))) { + ret = -EFAULT; + goto reterr; + } + kbs->kb_string[sizeof(kbs->kb_string)-1] = '\0'; + i = kbs->kb_func; + + switch (cmd) { + case KDGKBSENT: + sz = sizeof(kbs->kb_string) - 1; /* sz should have been + a struct member */ + up = user_kdgkb->kb_string; + p = func_table[i]; + if(p) + for ( ; *p && sz; p++, sz--) + if (put_user(*p, up++)) { + ret = -EFAULT; + goto reterr; + } + if (put_user('\0', up)) { + ret = -EFAULT; + goto reterr; + } + kfree(kbs); + return ((p && *p) ? -EOVERFLOW : 0); + case KDSKBSENT: + if (!perm) { + ret = -EPERM; + goto reterr; + } + + q = func_table[i]; + first_free = funcbufptr + (funcbufsize - funcbufleft); + for (j = i+1; j < MAX_NR_FUNC && !func_table[j]; j++) + ; + if (j < MAX_NR_FUNC) + fj = func_table[j]; + else + fj = first_free; + + delta = (q ? -strlen(q) : 1) + strlen(kbs->kb_string); + if (delta <= funcbufleft) { /* it fits in current buf */ + if (j < MAX_NR_FUNC) { + memmove(fj + delta, fj, first_free - fj); + for (k = j; k < MAX_NR_FUNC; k++) + if (func_table[k]) + func_table[k] += delta; + } + if (!q) + func_table[i] = fj; + funcbufleft -= delta; + } else { /* allocate a larger buffer */ + sz = 256; + while (sz < funcbufsize - funcbufleft + delta) + sz <<= 1; + fnw = kmalloc(sz, GFP_KERNEL); + if(!fnw) { + ret = -ENOMEM; + goto reterr; + } + + if (!q) + func_table[i] = fj; + if (fj > funcbufptr) + memmove(fnw, funcbufptr, fj - funcbufptr); + for (k = 0; k < j; k++) + if (func_table[k]) + func_table[k] = fnw + (func_table[k] - funcbufptr); + + if (first_free > fj) { + memmove(fnw + (fj - funcbufptr) + delta, fj, first_free - fj); + for (k = j; k < MAX_NR_FUNC; k++) + if (func_table[k]) + func_table[k] = fnw + (func_table[k] - funcbufptr) + delta; + } + if (funcbufptr != func_buf) + kfree(funcbufptr); + funcbufptr = fnw; + funcbufleft = funcbufleft - delta + sz - funcbufsize; + funcbufsize = sz; + } + strcpy(func_table[i], kbs->kb_string); + break; + } + ret = 0; +reterr: + kfree(kbs); + return ret; +} + +int vt_do_kdskled(int console, int cmd, unsigned long arg, int perm) +{ + struct kbd_struct * kbd = kbd_table + console; + unsigned long flags; + unsigned char ucval; + + switch(cmd) { + /* the ioctls below read/set the flags usually shown in the leds */ + /* don't use them - they will go away without warning */ + case KDGKBLED: + spin_lock_irqsave(&kbd_event_lock, flags); + ucval = kbd->ledflagstate | (kbd->default_ledflagstate << 4); + spin_unlock_irqrestore(&kbd_event_lock, flags); + return put_user(ucval, (char __user *)arg); + + case KDSKBLED: + if (!perm) + return -EPERM; + if (arg & ~0x77) + return -EINVAL; + spin_lock_irqsave(&kbd_event_lock, flags); + kbd->ledflagstate = (arg & 7); + kbd->default_ledflagstate = ((arg >> 4) & 7); + set_leds(); + spin_unlock_irqrestore(&kbd_event_lock, flags); + break; + + /* the ioctls below only set the lights, not the functions */ + /* for those, see KDGKBLED and KDSKBLED above */ + case KDGETLED: + ucval = getledstate(); + return put_user(ucval, (char __user *)arg); + + case KDSETLED: + if (!perm) + return -EPERM; + setledstate(kbd, arg); + return 0; + } + return -ENOIOCTLCMD; +} + +int vt_do_kdgkbmode(int console) +{ + struct kbd_struct * kbd = kbd_table + console; + /* This is a spot read so needs no locking */ + switch (kbd->kbdmode) { + case VC_RAW: + return K_RAW; + case VC_MEDIUMRAW: + return K_MEDIUMRAW; + case VC_UNICODE: + return K_UNICODE; + case VC_OFF: + return K_OFF; + default: + return K_XLATE; + } +} + +/** + * vt_do_kdgkbmeta - report meta status + * @console: console to report + * + * Report the meta flag status of this console + */ +int vt_do_kdgkbmeta(int console) +{ + struct kbd_struct * kbd = kbd_table + console; + /* Again a spot read so no locking */ + return vc_kbd_mode(kbd, VC_META) ? K_ESCPREFIX : K_METABIT; +} + +/** + * vt_reset_unicode - reset the unicode status + * @console: console being reset + * + * Restore the unicode console state to its default + */ +void vt_reset_unicode(int console) +{ + unsigned long flags; + + spin_lock_irqsave(&kbd_event_lock, flags); + kbd_table[console].kbdmode = default_utf8 ? VC_UNICODE : VC_XLATE; + spin_unlock_irqrestore(&kbd_event_lock, flags); +} + +/** + * vt_get_shiftstate - shift bit state + * + * Report the shift bits from the keyboard state. We have to export + * this to support some oddities in the vt layer. + */ +int vt_get_shift_state(void) +{ + /* Don't lock as this is a transient report */ + return shift_state; +} + +/** + * vt_reset_keyboard - reset keyboard state + * @console: console to reset + * + * Reset the keyboard bits for a console as part of a general console + * reset event + */ +void vt_reset_keyboard(int console) +{ + struct kbd_struct * kbd = kbd_table + console; + unsigned long flags; + + spin_lock_irqsave(&kbd_event_lock, flags); + set_vc_kbd_mode(kbd, VC_REPEAT); + clr_vc_kbd_mode(kbd, VC_CKMODE); + clr_vc_kbd_mode(kbd, VC_APPLIC); + clr_vc_kbd_mode(kbd, VC_CRLF); + kbd->lockstate = 0; + kbd->slockstate = 0; + kbd->ledmode = LED_SHOW_FLAGS; + kbd->ledflagstate = kbd->default_ledflagstate; + /* do not do set_leds here because this causes an endless tasklet loop + when the keyboard hasn't been initialized yet */ + spin_unlock_irqrestore(&kbd_event_lock, flags); +} + +/** + * vt_get_kbd_mode_bit - read keyboard status bits + * @console: console to read from + * @bit: mode bit to read + * + * Report back a vt mode bit. We do this without locking so the + * caller must be sure that there are no synchronization needs + */ + +int vt_get_kbd_mode_bit(int console, int bit) +{ + struct kbd_struct * kbd = kbd_table + console; + return vc_kbd_mode(kbd, bit); +} + +/** + * vt_set_kbd_mode_bit - read keyboard status bits + * @console: console to read from + * @bit: mode bit to read + * + * Set a vt mode bit. We do this without locking so the + * caller must be sure that there are no synchronization needs + */ + +void vt_set_kbd_mode_bit(int console, int bit) +{ + struct kbd_struct * kbd = kbd_table + console; + unsigned long flags; + + spin_lock_irqsave(&kbd_event_lock, flags); + set_vc_kbd_mode(kbd, bit); + spin_unlock_irqrestore(&kbd_event_lock, flags); +} + +/** + * vt_clr_kbd_mode_bit - read keyboard status bits + * @console: console to read from + * @bit: mode bit to read + * + * Report back a vt mode bit. We do this without locking so the + * caller must be sure that there are no synchronization needs + */ + +void vt_clr_kbd_mode_bit(int console, int bit) +{ + struct kbd_struct * kbd = kbd_table + console; + unsigned long flags; + + spin_lock_irqsave(&kbd_event_lock, flags); + clr_vc_kbd_mode(kbd, bit); + spin_unlock_irqrestore(&kbd_event_lock, flags); +} diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c index 7a0a12ae545..8e9b4be97a2 100644 --- a/drivers/tty/vt/selection.c +++ b/drivers/tty/vt/selection.c @@ -30,6 +30,7 @@ extern void poke_blanked_console(void); +/* FIXME: all this needs locking */ /* Variables for selection control. */ /* Use a dynamic buffer, instead of static (Dec 1994) */ struct vc_data *sel_cons; /* must not be deallocated */ @@ -61,10 +62,14 @@ sel_pos(int n) use_unicode); } -/* remove the current selection highlight, if any, - from the console holding the selection. */ -void -clear_selection(void) { +/** + * clear_selection - remove current selection + * + * Remove the current selection highlight, if any from the console + * holding the selection. The caller must hold the console lock. + */ +void clear_selection(void) +{ highlight_pointer(-1); /* hide the pointer */ if (sel_start != -1) { highlight(sel_start, sel_end); @@ -74,7 +79,7 @@ clear_selection(void) { /* * User settable table: what characters are to be considered alphabetic? - * 256 bits + * 256 bits. Locked by the console lock. */ static u32 inwordLut[8]={ 0x00000000, /* control chars */ @@ -91,10 +96,20 @@ static inline int inword(const u16 c) { return c > 0xff || (( inwordLut[c>>5] >> (c & 0x1F) ) & 1); } -/* set inwordLut contents. Invoked by ioctl(). */ +/** + * set loadlut - load the LUT table + * @p: user table + * + * Load the LUT table from user space. The caller must hold the console + * lock. Make a temporary copy so a partial update doesn't make a mess. + */ int sel_loadlut(char __user *p) { - return copy_from_user(inwordLut, (u32 __user *)(p+4), 32) ? -EFAULT : 0; + u32 tmplut[8]; + if (copy_from_user(tmplut, (u32 __user *)(p+4), 32)) + return -EFAULT; + memcpy(inwordLut, tmplut, 32); + return 0; } /* does screen address p correspond to character at LH/RH edge of screen? */ @@ -130,7 +145,16 @@ static int store_utf8(u16 c, char *p) } } -/* set the current selection. Invoked by ioctl() or by kernel code. */ +/** + * set_selection - set the current selection. + * @sel: user selection info + * @tty: the console tty + * + * Invoked by the ioctl handle for the vt layer. + * + * The entire selection process is managed under the console_lock. It's + * a lot under the lock but its hardly a performance path + */ int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *tty) { struct vc_data *vc = vc_cons[fg_console].d; @@ -138,7 +162,7 @@ int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *t char *bp, *obp; int i, ps, pe, multiplier; u16 c; - struct kbd_struct *kbd = kbd_table + fg_console; + int mode; poke_blanked_console(); @@ -182,7 +206,11 @@ int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *t clear_selection(); sel_cons = vc_cons[fg_console].d; } - use_unicode = kbd && kbd->kbdmode == VC_UNICODE; + mode = vt_do_kdgkbmode(fg_console); + if (mode == K_UNICODE) + use_unicode = 1; + else + use_unicode = 0; switch (sel_mode) { @@ -302,7 +330,8 @@ int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *t * queue of the tty associated with the current console. * Invoked by ioctl(). * - * Locking: always called with BTM from vt_ioctl + * Locking: called without locks. Calls the ldisc wrongly with + * unsafe methods, */ int paste_selection(struct tty_struct *tty) { @@ -317,13 +346,12 @@ int paste_selection(struct tty_struct *tty) poke_blanked_console(); console_unlock(); + /* FIXME: wtf is this supposed to achieve ? */ ld = tty_ldisc_ref(tty); - if (!ld) { - tty_unlock(); + if (!ld) ld = tty_ldisc_ref_wait(tty); - tty_lock(); - } + /* FIXME: this is completely unsafe */ add_wait_queue(&vc->paste_wait, &wait); while (sel_buffer && sel_buffer_lth > pasted) { set_current_state(TASK_INTERRUPTIBLE); diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c index 7a367ff5122..fa7268a93c0 100644 --- a/drivers/tty/vt/vc_screen.c +++ b/drivers/tty/vt/vc_screen.c @@ -608,10 +608,10 @@ vcs_open(struct inode *inode, struct file *filp) unsigned int currcons = iminor(inode) & 127; int ret = 0; - tty_lock(); + console_lock(); if(currcons && !vc_cons_allocated(currcons-1)) ret = -ENXIO; - tty_unlock(); + console_unlock(); return ret; } diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index e716839fab6..84c4a7d5603 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1028,9 +1028,9 @@ void vc_deallocate(unsigned int currcons) * VT102 emulator */ -#define set_kbd(vc, x) set_vc_kbd_mode(kbd_table + (vc)->vc_num, (x)) -#define clr_kbd(vc, x) clr_vc_kbd_mode(kbd_table + (vc)->vc_num, (x)) -#define is_kbd(vc, x) vc_kbd_mode(kbd_table + (vc)->vc_num, (x)) +#define set_kbd(vc, x) vt_set_kbd_mode_bit((vc)->vc_num, (x)) +#define clr_kbd(vc, x) vt_clr_kbd_mode_bit((vc)->vc_num, (x)) +#define is_kbd(vc, x) vt_get_kbd_mode_bit((vc)->vc_num, (x)) #define decarm VC_REPEAT #define decckm VC_CKMODE @@ -1652,16 +1652,7 @@ static void reset_terminal(struct vc_data *vc, int do_clear) vc->vc_deccm = global_cursor_default; vc->vc_decim = 0; - set_kbd(vc, decarm); - clr_kbd(vc, decckm); - clr_kbd(vc, kbdapplic); - clr_kbd(vc, lnm); - kbd_table[vc->vc_num].lockstate = 0; - kbd_table[vc->vc_num].slockstate = 0; - kbd_table[vc->vc_num].ledmode = LED_SHOW_FLAGS; - kbd_table[vc->vc_num].ledflagstate = kbd_table[vc->vc_num].default_ledflagstate; - /* do not do set_leds here because this causes an endless tasklet loop - when the keyboard hasn't been initialized yet */ + vt_reset_keyboard(vc->vc_num); vc->vc_cursor_type = cur_default; vc->vc_complement_mask = vc->vc_s_complement_mask; @@ -1979,7 +1970,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c) case 'q': /* DECLL - but only 3 leds */ /* map 0,1,2,3 to 0,1,2,4 */ if (vc->vc_par[0] < 4) - setledstate(kbd_table + vc->vc_num, + vt_set_led_state(vc->vc_num, (vc->vc_par[0] < 3) ? vc->vc_par[0] : 4); return; case 'r': @@ -2632,7 +2623,9 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) console_unlock(); break; case TIOCL_SELLOADLUT: + console_lock(); ret = sel_loadlut(p); + console_unlock(); break; case TIOCL_GETSHIFTSTATE: @@ -2642,15 +2635,19 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) * kernel-internal variable; programs not closely * related to the kernel should not use this. */ - data = shift_state; + data = vt_get_shift_state(); ret = __put_user(data, p); break; case TIOCL_GETMOUSEREPORTING: + console_lock(); /* May be overkill */ data = mouse_reporting(); + console_unlock(); ret = __put_user(data, p); break; case TIOCL_SETVESABLANK: + console_lock(); ret = set_vesa_blanking(p); + console_unlock(); break; case TIOCL_GETKMSGREDIRECT: data = vt_get_kmsg_redirect(); @@ -2667,13 +2664,21 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) } break; case TIOCL_GETFGCONSOLE: + /* No locking needed as this is a transiently + correct return anyway if the caller hasn't + disabled switching */ ret = fg_console; break; case TIOCL_SCROLLCONSOLE: if (get_user(lines, (s32 __user *)(p+4))) { ret = -EFAULT; } else { + /* Need the console lock here. Note that lots + of other calls need fixing before the lock + is actually useful ! */ + console_lock(); scrollfront(vc_cons[fg_console].d, lines); + console_unlock(); ret = 0; } break; @@ -2753,8 +2758,7 @@ static void con_stop(struct tty_struct *tty) console_num = tty->index; if (!vc_cons_allocated(console_num)) return; - set_vc_kbd_led(kbd_table + console_num, VC_SCROLLOCK); - set_leds(); + vt_kbd_con_stop(console_num); } /* @@ -2768,8 +2772,7 @@ static void con_start(struct tty_struct *tty) console_num = tty->index; if (!vc_cons_allocated(console_num)) return; - clr_vc_kbd_led(kbd_table + console_num, VC_SCROLLOCK); - set_leds(); + vt_kbd_con_start(console_num); } static void con_flush_chars(struct tty_struct *tty) @@ -2991,7 +2994,7 @@ int __init vty_init(const struct file_operations *console_fops) console_driver = alloc_tty_driver(MAX_NR_CONSOLES); if (!console_driver) panic("Couldn't allocate console driver\n"); - console_driver->owner = THIS_MODULE; + console_driver->name = "tty"; console_driver->name_base = 1; console_driver->major = TTY_MAJOR; @@ -3980,9 +3983,6 @@ static int con_font_get(struct vc_data *vc, struct console_font_op *op) int rc = -EINVAL; int c; - if (vc->vc_mode != KD_TEXT) - return -EINVAL; - if (op->data) { font.data = kmalloc(max_font_size, GFP_KERNEL); if (!font.data) @@ -3991,7 +3991,9 @@ static int con_font_get(struct vc_data *vc, struct console_font_op *op) font.data = NULL; console_lock(); - if (vc->vc_sw->con_font_get) + if (vc->vc_mode != KD_TEXT) + rc = -EINVAL; + else if (vc->vc_sw->con_font_get) rc = vc->vc_sw->con_font_get(vc, &font); else rc = -ENOSYS; @@ -4073,7 +4075,9 @@ static int con_font_set(struct vc_data *vc, struct console_font_op *op) if (IS_ERR(font.data)) return PTR_ERR(font.data); console_lock(); - if (vc->vc_sw->con_font_set) + if (vc->vc_mode != KD_TEXT) + rc = -EINVAL; + else if (vc->vc_sw->con_font_set) rc = vc->vc_sw->con_font_set(vc, &font, op->flags); else rc = -ENOSYS; @@ -4089,8 +4093,6 @@ static int con_font_default(struct vc_data *vc, struct console_font_op *op) char *s = name; int rc; - if (vc->vc_mode != KD_TEXT) - return -EINVAL; if (!op->data) s = NULL; @@ -4100,6 +4102,10 @@ static int con_font_default(struct vc_data *vc, struct console_font_op *op) name[MAX_FONT_NAME - 1] = 0; console_lock(); + if (vc->vc_mode != KD_TEXT) { + console_unlock(); + return -EINVAL; + } if (vc->vc_sw->con_font_default) rc = vc->vc_sw->con_font_default(vc, &font, s); else @@ -4117,11 +4123,11 @@ static int con_font_copy(struct vc_data *vc, struct console_font_op *op) int con = op->height; int rc; - if (vc->vc_mode != KD_TEXT) - return -EINVAL; console_lock(); - if (!vc->vc_sw->con_font_copy) + if (vc->vc_mode != KD_TEXT) + rc = -EINVAL; + else if (!vc->vc_sw->con_font_copy) rc = -ENOSYS; else if (con < 0 || !vc_cons_allocated(con)) rc = -ENOTTY; diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 65447c5f91d..ede2ef18d2f 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -130,7 +130,7 @@ static void vt_event_wait(struct vt_event_wait *vw) list_add(&vw->list, &vt_events); spin_unlock_irqrestore(&vt_event_lock, flags); /* Wait for it to pass */ - wait_event_interruptible_tty(vt_event_waitqueue, vw->done); + wait_event_interruptible(vt_event_waitqueue, vw->done); /* Dequeue it */ spin_lock_irqsave(&vt_event_lock, flags); list_del(&vw->list); @@ -195,232 +195,7 @@ int vt_waitactive(int n) #define GPLAST 0x3df #define GPNUM (GPLAST - GPFIRST + 1) -#define i (tmp.kb_index) -#define s (tmp.kb_table) -#define v (tmp.kb_value) -static inline int -do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, struct kbd_struct *kbd) -{ - struct kbentry tmp; - ushort *key_map, val, ov; - - if (copy_from_user(&tmp, user_kbe, sizeof(struct kbentry))) - return -EFAULT; - if (!capable(CAP_SYS_TTY_CONFIG)) - perm = 0; - - switch (cmd) { - case KDGKBENT: - key_map = key_maps[s]; - if (key_map) { - val = U(key_map[i]); - if (kbd->kbdmode != VC_UNICODE && KTYP(val) >= NR_TYPES) - val = K_HOLE; - } else - val = (i ? K_HOLE : K_NOSUCHMAP); - return put_user(val, &user_kbe->kb_value); - case KDSKBENT: - if (!perm) - return -EPERM; - if (!i && v == K_NOSUCHMAP) { - /* deallocate map */ - key_map = key_maps[s]; - if (s && key_map) { - key_maps[s] = NULL; - if (key_map[0] == U(K_ALLOCATED)) { - kfree(key_map); - keymap_count--; - } - } - break; - } - - if (KTYP(v) < NR_TYPES) { - if (KVAL(v) > max_vals[KTYP(v)]) - return -EINVAL; - } else - if (kbd->kbdmode != VC_UNICODE) - return -EINVAL; - - /* ++Geert: non-PC keyboards may generate keycode zero */ -#if !defined(__mc68000__) && !defined(__powerpc__) - /* assignment to entry 0 only tests validity of args */ - if (!i) - break; -#endif - - if (!(key_map = key_maps[s])) { - int j; - - if (keymap_count >= MAX_NR_OF_USER_KEYMAPS && - !capable(CAP_SYS_RESOURCE)) - return -EPERM; - - key_map = kmalloc(sizeof(plain_map), - GFP_KERNEL); - if (!key_map) - return -ENOMEM; - key_maps[s] = key_map; - key_map[0] = U(K_ALLOCATED); - for (j = 1; j < NR_KEYS; j++) - key_map[j] = U(K_HOLE); - keymap_count++; - } - ov = U(key_map[i]); - if (v == ov) - break; /* nothing to do */ - /* - * Attention Key. - */ - if (((ov == K_SAK) || (v == K_SAK)) && !capable(CAP_SYS_ADMIN)) - return -EPERM; - key_map[i] = U(v); - if (!s && (KTYP(ov) == KT_SHIFT || KTYP(v) == KT_SHIFT)) - compute_shiftstate(); - break; - } - return 0; -} -#undef i -#undef s -#undef v - -static inline int -do_kbkeycode_ioctl(int cmd, struct kbkeycode __user *user_kbkc, int perm) -{ - struct kbkeycode tmp; - int kc = 0; - - if (copy_from_user(&tmp, user_kbkc, sizeof(struct kbkeycode))) - return -EFAULT; - switch (cmd) { - case KDGETKEYCODE: - kc = getkeycode(tmp.scancode); - if (kc >= 0) - kc = put_user(kc, &user_kbkc->keycode); - break; - case KDSETKEYCODE: - if (!perm) - return -EPERM; - kc = setkeycode(tmp.scancode, tmp.keycode); - break; - } - return kc; -} - -static inline int -do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm) -{ - struct kbsentry *kbs; - char *p; - u_char *q; - u_char __user *up; - int sz; - int delta; - char *first_free, *fj, *fnw; - int i, j, k; - int ret; - - if (!capable(CAP_SYS_TTY_CONFIG)) - perm = 0; - - kbs = kmalloc(sizeof(*kbs), GFP_KERNEL); - if (!kbs) { - ret = -ENOMEM; - goto reterr; - } - - /* we mostly copy too much here (512bytes), but who cares ;) */ - if (copy_from_user(kbs, user_kdgkb, sizeof(struct kbsentry))) { - ret = -EFAULT; - goto reterr; - } - kbs->kb_string[sizeof(kbs->kb_string)-1] = '\0'; - i = kbs->kb_func; - - switch (cmd) { - case KDGKBSENT: - sz = sizeof(kbs->kb_string) - 1; /* sz should have been - a struct member */ - up = user_kdgkb->kb_string; - p = func_table[i]; - if(p) - for ( ; *p && sz; p++, sz--) - if (put_user(*p, up++)) { - ret = -EFAULT; - goto reterr; - } - if (put_user('\0', up)) { - ret = -EFAULT; - goto reterr; - } - kfree(kbs); - return ((p && *p) ? -EOVERFLOW : 0); - case KDSKBSENT: - if (!perm) { - ret = -EPERM; - goto reterr; - } - - q = func_table[i]; - first_free = funcbufptr + (funcbufsize - funcbufleft); - for (j = i+1; j < MAX_NR_FUNC && !func_table[j]; j++) - ; - if (j < MAX_NR_FUNC) - fj = func_table[j]; - else - fj = first_free; - - delta = (q ? -strlen(q) : 1) + strlen(kbs->kb_string); - if (delta <= funcbufleft) { /* it fits in current buf */ - if (j < MAX_NR_FUNC) { - memmove(fj + delta, fj, first_free - fj); - for (k = j; k < MAX_NR_FUNC; k++) - if (func_table[k]) - func_table[k] += delta; - } - if (!q) - func_table[i] = fj; - funcbufleft -= delta; - } else { /* allocate a larger buffer */ - sz = 256; - while (sz < funcbufsize - funcbufleft + delta) - sz <<= 1; - fnw = kmalloc(sz, GFP_KERNEL); - if(!fnw) { - ret = -ENOMEM; - goto reterr; - } - - if (!q) - func_table[i] = fj; - if (fj > funcbufptr) - memmove(fnw, funcbufptr, fj - funcbufptr); - for (k = 0; k < j; k++) - if (func_table[k]) - func_table[k] = fnw + (func_table[k] - funcbufptr); - - if (first_free > fj) { - memmove(fnw + (fj - funcbufptr) + delta, fj, first_free - fj); - for (k = j; k < MAX_NR_FUNC; k++) - if (func_table[k]) - func_table[k] = fnw + (func_table[k] - funcbufptr) + delta; - } - if (funcbufptr != func_buf) - kfree(funcbufptr); - funcbufptr = fnw; - funcbufleft = funcbufleft - delta + sz - funcbufsize; - funcbufsize = sz; - } - strcpy(func_table[i], kbs->kb_string); - break; - } - ret = 0; -reterr: - kfree(kbs); - return ret; -} static inline int do_fontx_ioctl(int cmd, struct consolefontdesc __user *user_cfd, int perm, struct console_font_op *op) @@ -497,7 +272,6 @@ int vt_ioctl(struct tty_struct *tty, { struct vc_data *vc = tty->driver_data; struct console_font_op op; /* used in multiple places here */ - struct kbd_struct * kbd; unsigned int console; unsigned char ucval; unsigned int uival; @@ -507,7 +281,6 @@ int vt_ioctl(struct tty_struct *tty, console = vc->vc_num; - tty_lock(); if (!vc_cons_allocated(console)) { /* impossible? */ ret = -ENOIOCTLCMD; @@ -523,19 +296,18 @@ int vt_ioctl(struct tty_struct *tty, if (current->signal->tty == tty || capable(CAP_SYS_TTY_CONFIG)) perm = 1; - kbd = kbd_table + console; switch (cmd) { case TIOCLINUX: ret = tioclinux(tty, arg); break; case KIOCSOUND: if (!perm) - goto eperm; + return -EPERM; /* * The use of PIT_TICK_RATE is historic, it used to be * the platform-dependent CLOCK_TICK_RATE between 2.6.12 * and 2.6.36, which was a minor but unfortunate ABI - * change. + * change. kd_mksound is locked by the input layer. */ if (arg) arg = PIT_TICK_RATE / arg; @@ -544,7 +316,7 @@ int vt_ioctl(struct tty_struct *tty, case KDMKTONE: if (!perm) - goto eperm; + return -EPERM; { unsigned int ticks, count; @@ -562,10 +334,11 @@ int vt_ioctl(struct tty_struct *tty, case KDGKBTYPE: /* - * this is naive. + * this is naïve. */ ucval = KB_101; - goto setchar; + ret = put_user(ucval, (char __user *)arg); + break; /* * These cannot be implemented on any machine that implements @@ -579,6 +352,8 @@ int vt_ioctl(struct tty_struct *tty, /* * KDADDIO and KDDELIO may be able to add ports beyond what * we reject here, but to be safe... + * + * These are locked internally via sys_ioperm */ if (arg < GPFIRST || arg > GPLAST) { ret = -EINVAL; @@ -601,7 +376,7 @@ int vt_ioctl(struct tty_struct *tty, struct kbd_repeat kbrep; if (!capable(CAP_SYS_TTY_CONFIG)) - goto eperm; + return -EPERM; if (copy_from_user(&kbrep, up, sizeof(struct kbd_repeat))) { ret = -EFAULT; @@ -625,7 +400,7 @@ int vt_ioctl(struct tty_struct *tty, * need to restore their engine state. --BenH */ if (!perm) - goto eperm; + return -EPERM; switch (arg) { case KD_GRAPHICS: break; @@ -638,6 +413,7 @@ int vt_ioctl(struct tty_struct *tty, ret = -EINVAL; goto out; } + /* FIXME: this needs the console lock extending */ if (vc->vc_mode == (unsigned char) arg) break; vc->vc_mode = (unsigned char) arg; @@ -669,69 +445,26 @@ int vt_ioctl(struct tty_struct *tty, case KDSKBMODE: if (!perm) - goto eperm; - switch(arg) { - case K_RAW: - kbd->kbdmode = VC_RAW; - break; - case K_MEDIUMRAW: - kbd->kbdmode = VC_MEDIUMRAW; - break; - case K_XLATE: - kbd->kbdmode = VC_XLATE; - compute_shiftstate(); - break; - case K_UNICODE: - kbd->kbdmode = VC_UNICODE; - compute_shiftstate(); - break; - case K_OFF: - kbd->kbdmode = VC_OFF; - break; - default: - ret = -EINVAL; - goto out; - } - tty_ldisc_flush(tty); + return -EPERM; + ret = vt_do_kdskbmode(console, arg); + if (ret == 0) + tty_ldisc_flush(tty); break; case KDGKBMODE: - switch (kbd->kbdmode) { - case VC_RAW: - uival = K_RAW; - break; - case VC_MEDIUMRAW: - uival = K_MEDIUMRAW; - break; - case VC_UNICODE: - uival = K_UNICODE; - break; - case VC_OFF: - uival = K_OFF; - break; - default: - uival = K_XLATE; - break; - } - goto setint; + uival = vt_do_kdgkbmode(console); + ret = put_user(uival, (int __user *)arg); + break; /* this could be folded into KDSKBMODE, but for compatibility reasons it is not so easy to fold KDGKBMETA into KDGKBMODE */ case KDSKBMETA: - switch(arg) { - case K_METABIT: - clr_vc_kbd_mode(kbd, VC_META); - break; - case K_ESCPREFIX: - set_vc_kbd_mode(kbd, VC_META); - break; - default: - ret = -EINVAL; - } + ret = vt_do_kdskbmeta(console, arg); break; case KDGKBMETA: - uival = (vc_kbd_mode(kbd, VC_META) ? K_ESCPREFIX : K_METABIT); + /* FIXME: should review whether this is worth locking */ + uival = vt_do_kdgkbmeta(console); setint: ret = put_user(uival, (int __user *)arg); break; @@ -740,133 +473,35 @@ int vt_ioctl(struct tty_struct *tty, case KDSETKEYCODE: if(!capable(CAP_SYS_TTY_CONFIG)) perm = 0; - ret = do_kbkeycode_ioctl(cmd, up, perm); + ret = vt_do_kbkeycode_ioctl(cmd, up, perm); break; case KDGKBENT: case KDSKBENT: - ret = do_kdsk_ioctl(cmd, up, perm, kbd); + ret = vt_do_kdsk_ioctl(cmd, up, perm, console); break; case KDGKBSENT: case KDSKBSENT: - ret = do_kdgkb_ioctl(cmd, up, perm); + ret = vt_do_kdgkb_ioctl(cmd, up, perm); break; + /* Diacritical processing. Handled in keyboard.c as it has + to operate on the keyboard locks and structures */ case KDGKBDIACR: - { - struct kbdiacrs __user *a = up; - struct kbdiacr diacr; - int i; - - if (put_user(accent_table_size, &a->kb_cnt)) { - ret = -EFAULT; - break; - } - for (i = 0; i < accent_table_size; i++) { - diacr.diacr = conv_uni_to_8bit(accent_table[i].diacr); - diacr.base = conv_uni_to_8bit(accent_table[i].base); - diacr.result = conv_uni_to_8bit(accent_table[i].result); - if (copy_to_user(a->kbdiacr + i, &diacr, sizeof(struct kbdiacr))) { - ret = -EFAULT; - break; - } - } - break; - } case KDGKBDIACRUC: - { - struct kbdiacrsuc __user *a = up; - - if (put_user(accent_table_size, &a->kb_cnt)) - ret = -EFAULT; - else if (copy_to_user(a->kbdiacruc, accent_table, - accent_table_size*sizeof(struct kbdiacruc))) - ret = -EFAULT; - break; - } - case KDSKBDIACR: - { - struct kbdiacrs __user *a = up; - struct kbdiacr diacr; - unsigned int ct; - int i; - - if (!perm) - goto eperm; - if (get_user(ct,&a->kb_cnt)) { - ret = -EFAULT; - break; - } - if (ct >= MAX_DIACR) { - ret = -EINVAL; - break; - } - accent_table_size = ct; - for (i = 0; i < ct; i++) { - if (copy_from_user(&diacr, a->kbdiacr + i, sizeof(struct kbdiacr))) { - ret = -EFAULT; - break; - } - accent_table[i].diacr = conv_8bit_to_uni(diacr.diacr); - accent_table[i].base = conv_8bit_to_uni(diacr.base); - accent_table[i].result = conv_8bit_to_uni(diacr.result); - } - break; - } - case KDSKBDIACRUC: - { - struct kbdiacrsuc __user *a = up; - unsigned int ct; - - if (!perm) - goto eperm; - if (get_user(ct,&a->kb_cnt)) { - ret = -EFAULT; - break; - } - if (ct >= MAX_DIACR) { - ret = -EINVAL; - break; - } - accent_table_size = ct; - if (copy_from_user(accent_table, a->kbdiacruc, ct*sizeof(struct kbdiacruc))) - ret = -EFAULT; + ret = vt_do_diacrit(cmd, up, perm); break; - } /* the ioctls below read/set the flags usually shown in the leds */ /* don't use them - they will go away without warning */ case KDGKBLED: - ucval = kbd->ledflagstate | (kbd->default_ledflagstate << 4); - goto setchar; - case KDSKBLED: - if (!perm) - goto eperm; - if (arg & ~0x77) { - ret = -EINVAL; - break; - } - kbd->ledflagstate = (arg & 7); - kbd->default_ledflagstate = ((arg >> 4) & 7); - set_leds(); - break; - - /* the ioctls below only set the lights, not the functions */ - /* for those, see KDGKBLED and KDSKBLED above */ case KDGETLED: - ucval = getledstate(); - setchar: - ret = put_user(ucval, (char __user *)arg); - break; - case KDSETLED: - if (!perm) - goto eperm; - setledstate(kbd, arg); + ret = vt_do_kdskled(console, cmd, arg, perm); break; /* @@ -879,7 +514,7 @@ int vt_ioctl(struct tty_struct *tty, case KDSIGACCEPT: { if (!perm || !capable(CAP_KILL)) - goto eperm; + return -EPERM; if (!valid_signal(arg) || arg < 1 || arg == SIGKILL) ret = -EINVAL; else { @@ -897,7 +532,7 @@ int vt_ioctl(struct tty_struct *tty, struct vt_mode tmp; if (!perm) - goto eperm; + return -EPERM; if (copy_from_user(&tmp, up, sizeof(struct vt_mode))) { ret = -EFAULT; goto out; @@ -943,6 +578,7 @@ int vt_ioctl(struct tty_struct *tty, struct vt_stat __user *vtstat = up; unsigned short state, mask; + /* Review: FIXME: Console lock ? */ if (put_user(fg_console + 1, &vtstat->v_active)) ret = -EFAULT; else { @@ -960,6 +596,7 @@ int vt_ioctl(struct tty_struct *tty, * Returns the first available (non-opened) console. */ case VT_OPENQRY: + /* FIXME: locking ? - but then this is a stupid API */ for (i = 0; i < MAX_NR_CONSOLES; ++i) if (! VT_IS_IN_USE(i)) break; @@ -973,7 +610,7 @@ int vt_ioctl(struct tty_struct *tty, */ case VT_ACTIVATE: if (!perm) - goto eperm; + return -EPERM; if (arg == 0 || arg > MAX_NR_CONSOLES) ret = -ENXIO; else { @@ -992,7 +629,7 @@ int vt_ioctl(struct tty_struct *tty, struct vt_setactivate vsa; if (!perm) - goto eperm; + return -EPERM; if (copy_from_user(&vsa, (struct vt_setactivate __user *)arg, sizeof(struct vt_setactivate))) { @@ -1020,6 +657,7 @@ int vt_ioctl(struct tty_struct *tty, if (ret) break; /* Commence switch and lock */ + /* Review set_console locks */ set_console(vsa.console); } break; @@ -1030,7 +668,7 @@ int vt_ioctl(struct tty_struct *tty, */ case VT_WAITACTIVE: if (!perm) - goto eperm; + return -EPERM; if (arg == 0 || arg > MAX_NR_CONSOLES) ret = -ENXIO; else @@ -1049,16 +687,17 @@ int vt_ioctl(struct tty_struct *tty, */ case VT_RELDISP: if (!perm) - goto eperm; + return -EPERM; + console_lock(); if (vc->vt_mode.mode != VT_PROCESS) { + console_unlock(); ret = -EINVAL; break; } /* * Switching-from response */ - console_lock(); if (vc->vt_newvt >= 0) { if (arg == 0) /* @@ -1135,7 +774,7 @@ int vt_ioctl(struct tty_struct *tty, ushort ll,cc; if (!perm) - goto eperm; + return -EPERM; if (get_user(ll, &vtsizes->v_rows) || get_user(cc, &vtsizes->v_cols)) ret = -EFAULT; @@ -1146,6 +785,7 @@ int vt_ioctl(struct tty_struct *tty, if (vc) { vc->vc_resize_user = 1; + /* FIXME: review v tty lock */ vc_resize(vc_cons[i].d, cc, ll); } } @@ -1159,7 +799,7 @@ int vt_ioctl(struct tty_struct *tty, struct vt_consize __user *vtconsize = up; ushort ll,cc,vlin,clin,vcol,ccol; if (!perm) - goto eperm; + return -EPERM; if (!access_ok(VERIFY_READ, vtconsize, sizeof(struct vt_consize))) { ret = -EFAULT; @@ -1215,7 +855,7 @@ int vt_ioctl(struct tty_struct *tty, case PIO_FONT: { if (!perm) - goto eperm; + return -EPERM; op.op = KD_FONT_OP_SET; op.flags = KD_FONT_FLAG_OLD | KD_FONT_FLAG_DONT_RECALC; /* Compatibility */ op.width = 8; @@ -1256,7 +896,7 @@ int vt_ioctl(struct tty_struct *tty, case PIO_FONTRESET: { if (!perm) - goto eperm; + return -EPERM; #ifdef BROKEN_GRAPHICS_PROGRAMS /* With BROKEN_GRAPHICS_PROGRAMS defined, the default @@ -1282,7 +922,7 @@ int vt_ioctl(struct tty_struct *tty, break; } if (!perm && op.op != KD_FONT_OP_GET) - goto eperm; + return -EPERM; ret = con_font_op(vc, &op); if (ret) break; @@ -1294,50 +934,65 @@ int vt_ioctl(struct tty_struct *tty, case PIO_SCRNMAP: if (!perm) ret = -EPERM; - else + else { + tty_lock(); ret = con_set_trans_old(up); + tty_unlock(); + } break; case GIO_SCRNMAP: + tty_lock(); ret = con_get_trans_old(up); + tty_unlock(); break; case PIO_UNISCRNMAP: if (!perm) ret = -EPERM; - else + else { + tty_lock(); ret = con_set_trans_new(up); + tty_unlock(); + } break; case GIO_UNISCRNMAP: + tty_lock(); ret = con_get_trans_new(up); + tty_unlock(); break; case PIO_UNIMAPCLR: { struct unimapinit ui; if (!perm) - goto eperm; + return -EPERM; ret = copy_from_user(&ui, up, sizeof(struct unimapinit)); if (ret) ret = -EFAULT; - else + else { + tty_lock(); con_clear_unimap(vc, &ui); + tty_unlock(); + } break; } case PIO_UNIMAP: case GIO_UNIMAP: + tty_lock(); ret = do_unimap_ioctl(cmd, up, perm, vc); + tty_unlock(); break; case VT_LOCKSWITCH: if (!capable(CAP_SYS_TTY_CONFIG)) - goto eperm; + return -EPERM; vt_dont_switch = 1; break; case VT_UNLOCKSWITCH: if (!capable(CAP_SYS_TTY_CONFIG)) - goto eperm; + return -EPERM; vt_dont_switch = 0; break; case VT_GETHIFONTMASK: @@ -1351,17 +1006,13 @@ int vt_ioctl(struct tty_struct *tty, ret = -ENOIOCTLCMD; } out: - tty_unlock(); return ret; -eperm: - ret = -EPERM; - goto out; } void reset_vc(struct vc_data *vc) { vc->vc_mode = KD_TEXT; - kbd_table[vc->vc_num].kbdmode = default_utf8 ? VC_UNICODE : VC_XLATE; + vt_reset_unicode(vc->vc_num); vc->vt_mode.mode = VT_AUTO; vc->vt_mode.waitv = 0; vc->vt_mode.relsig = 0; @@ -1384,6 +1035,7 @@ void vc_SAK(struct work_struct *work) console_lock(); vc = vc_con->d; if (vc) { + /* FIXME: review tty ref counting */ tty = vc->port.tty; /* * SAK should also work in all raw modes and reset @@ -1516,8 +1168,6 @@ long vt_compat_ioctl(struct tty_struct *tty, console = vc->vc_num; - tty_lock(); - if (!vc_cons_allocated(console)) { /* impossible? */ ret = -ENOIOCTLCMD; goto out; @@ -1546,7 +1196,9 @@ long vt_compat_ioctl(struct tty_struct *tty, case PIO_UNIMAP: case GIO_UNIMAP: + tty_lock(); ret = compat_unimap_ioctl(cmd, up, perm, vc); + tty_unlock(); break; /* @@ -1583,11 +1235,9 @@ long vt_compat_ioctl(struct tty_struct *tty, goto fallback; } out: - tty_unlock(); return ret; fallback: - tty_unlock(); return vt_ioctl(tty, cmd, arg); } @@ -1773,13 +1423,10 @@ int vt_move_to_console(unsigned int vt, int alloc) return -EIO; } console_unlock(); - tty_lock(); if (vt_waitactive(vt + 1)) { pr_debug("Suspend: Can't switch VCs."); - tty_unlock(); return -EINTR; } - tty_unlock(); return prev; } diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 6dcc3a3fe6d..b32ccb46101 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -509,17 +509,12 @@ static int acm_tty_install(struct tty_driver *driver, struct tty_struct *tty) if (!acm) return -ENODEV; - retval = tty_init_termios(tty); + retval = tty_standard_install(driver, tty); if (retval) goto error_init_termios; tty->driver_data = acm; - /* Final install (we use the default method) */ - tty_driver_kref_get(driver); - tty->count++; - driver->ttys[tty->index] = tty; - return 0; error_init_termios: @@ -1703,7 +1698,6 @@ static int __init acm_init(void) acm_tty_driver = alloc_tty_driver(ACM_TTY_MINORS); if (!acm_tty_driver) return -ENOMEM; - acm_tty_driver->owner = THIS_MODULE, acm_tty_driver->driver_name = "acm", acm_tty_driver->name = "ttyACM", acm_tty_driver->major = ACM_TTY_MAJOR, diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index d77daf3683d..f8e2d6d52e5 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -71,10 +71,7 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids, list_add_tail(&dynid->node, &dynids->list); spin_unlock(&dynids->lock); - if (get_driver(driver)) { - retval = driver_attach(driver); - put_driver(driver); - } + retval = driver_attach(driver); if (retval) return retval; @@ -132,43 +129,39 @@ store_remove_id(struct device_driver *driver, const char *buf, size_t count) } static DRIVER_ATTR(remove_id, S_IWUSR, NULL, store_remove_id); -static int usb_create_newid_file(struct usb_driver *usb_drv) +static int usb_create_newid_files(struct usb_driver *usb_drv) { int error = 0; if (usb_drv->no_dynamic_id) goto exit; - if (usb_drv->probe != NULL) + if (usb_drv->probe != NULL) { error = driver_create_file(&usb_drv->drvwrap.driver, &driver_attr_new_id); + if (error == 0) { + error = driver_create_file(&usb_drv->drvwrap.driver, + &driver_attr_remove_id); + if (error) + driver_remove_file(&usb_drv->drvwrap.driver, + &driver_attr_new_id); + } + } exit: return error; } -static void usb_remove_newid_file(struct usb_driver *usb_drv) +static void usb_remove_newid_files(struct usb_driver *usb_drv) { if (usb_drv->no_dynamic_id) return; - if (usb_drv->probe != NULL) + if (usb_drv->probe != NULL) { driver_remove_file(&usb_drv->drvwrap.driver, - &driver_attr_new_id); -} - -static int -usb_create_removeid_file(struct usb_driver *drv) -{ - int error = 0; - if (drv->probe != NULL) - error = driver_create_file(&drv->drvwrap.driver, &driver_attr_remove_id); - return error; -} - -static void usb_remove_removeid_file(struct usb_driver *drv) -{ - driver_remove_file(&drv->drvwrap.driver, &driver_attr_remove_id); + driver_remove_file(&usb_drv->drvwrap.driver, + &driver_attr_new_id); + } } static void usb_free_dynids(struct usb_driver *usb_drv) @@ -183,22 +176,12 @@ static void usb_free_dynids(struct usb_driver *usb_drv) spin_unlock(&usb_drv->dynids.lock); } #else -static inline int usb_create_newid_file(struct usb_driver *usb_drv) +static inline int usb_create_newid_files(struct usb_driver *usb_drv) { return 0; } -static void usb_remove_newid_file(struct usb_driver *usb_drv) -{ -} - -static int -usb_create_removeid_file(struct usb_driver *drv) -{ - return 0; -} - -static void usb_remove_removeid_file(struct usb_driver *drv) +static void usb_remove_newid_files(struct usb_driver *usb_drv) { } @@ -875,22 +858,16 @@ int usb_register_driver(struct usb_driver *new_driver, struct module *owner, usbfs_update_special(); - retval = usb_create_newid_file(new_driver); + retval = usb_create_newid_files(new_driver); if (retval) goto out_newid; - retval = usb_create_removeid_file(new_driver); - if (retval) - goto out_removeid; - pr_info("%s: registered new interface driver %s\n", usbcore_name, new_driver->name); out: return retval; -out_removeid: - usb_remove_newid_file(new_driver); out_newid: driver_unregister(&new_driver->drvwrap.driver); @@ -917,10 +894,9 @@ void usb_deregister(struct usb_driver *driver) pr_info("%s: deregistering interface driver %s\n", usbcore_name, driver->name); - usb_remove_removeid_file(driver); - usb_remove_newid_file(driver); - usb_free_dynids(driver); + usb_remove_newid_files(driver); driver_unregister(&driver->drvwrap.driver); + usb_free_dynids(driver); usbfs_update_special(); } diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 20d0c8adfe4..a9ca9adba39 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -170,14 +170,4 @@ MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer"); -static int __devinit dwc3_pci_init(void) -{ - return pci_register_driver(&dwc3_pci_driver); -} -module_init(dwc3_pci_init); - -static void __exit dwc3_pci_exit(void) -{ - pci_unregister_driver(&dwc3_pci_driver); -} -module_exit(dwc3_pci_exit); +module_pci_driver(dwc3_pci_driver); diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c index 6597a6813e4..6c23938d271 100644 --- a/drivers/usb/gadget/u_serial.c +++ b/drivers/usb/gadget/u_serial.c @@ -725,9 +725,6 @@ static int gs_open(struct tty_struct *tty, struct file *file) struct gs_port *port; int status; - if (port_num < 0 || port_num >= n_ports) - return -ENXIO; - do { mutex_lock(&ports[port_num].lock); port = ports[port_num].port; @@ -1087,7 +1084,6 @@ int __init gserial_setup(struct usb_gadget *g, unsigned count) if (!gs_tty_driver) return -ENOMEM; - gs_tty_driver->owner = THIS_MODULE; gs_tty_driver->driver_name = "g_serial"; gs_tty_driver->name = PREFIX; /* uses dynamically assigned dev_t values */ diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 63ba47dbcc7..69230f01056 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -214,15 +214,14 @@ static int serial_install(struct tty_driver *driver, struct tty_struct *tty) if (!try_module_get(serial->type->driver.owner)) goto error_module_get; - /* perform the standard setup */ - retval = tty_init_termios(tty); - if (retval) - goto error_init_termios; - retval = usb_autopm_get_interface(serial->interface); if (retval) goto error_get_interface; + retval = tty_standard_install(driver, tty); + if (retval) + goto error_init_termios; + mutex_unlock(&serial->disc_mutex); /* allow the driver to update the settings */ @@ -231,14 +230,11 @@ static int serial_install(struct tty_driver *driver, struct tty_struct *tty) tty->driver_data = port; - /* Final install (we use the default method) */ - tty_driver_kref_get(driver); - tty->count++; - driver->ttys[idx] = tty; return retval; - error_get_interface: error_init_termios: + usb_autopm_put_interface(serial->interface); + error_get_interface: module_put(serial->type->driver.owner); error_module_get: error_no_port: @@ -1239,7 +1235,6 @@ static int __init usb_serial_init(void) goto exit_bus; } - usb_serial_tty_driver->owner = THIS_MODULE; usb_serial_tty_driver->driver_name = "usbserial"; usb_serial_tty_driver->name = "ttyUSB"; usb_serial_tty_driver->major = SERIAL_TTY_MAJOR; diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c index e132157d854..516db703dd2 100644 --- a/drivers/video/backlight/s6e63m0.c +++ b/drivers/video/backlight/s6e63m0.c @@ -690,7 +690,7 @@ static ssize_t s6e63m0_sysfs_store_gamma_mode(struct device *dev, struct backlight_device *bd = NULL; int brightness, rc; - rc = strict_strtoul(buf, 0, (unsigned long *)&lcd->gamma_mode); + rc = kstrtouint(buf, 0, &lcd->gamma_mode); if (rc < 0) return rc; diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c index fcbe742188a..df600d14974 100644 --- a/drivers/w1/masters/w1-gpio.c +++ b/drivers/w1/masters/w1-gpio.c @@ -13,12 +13,11 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/w1-gpio.h> +#include <linux/gpio.h> #include "../w1.h" #include "../w1_int.h" -#include <asm/gpio.h> - static void w1_gpio_write_bit_dir(void *data, u8 bit) { struct w1_gpio_platform_data *pdata = data; diff --git a/drivers/w1/slaves/Kconfig b/drivers/w1/slaves/Kconfig index d0cb01b4201..eb9e376d624 100644 --- a/drivers/w1/slaves/Kconfig +++ b/drivers/w1/slaves/Kconfig @@ -81,6 +81,19 @@ config W1_SLAVE_DS2780 If you are unsure, say N. +config W1_SLAVE_DS2781 + tristate "Dallas 2781 battery monitor chip" + depends on W1 + help + If you enable this you will have the DS2781 battery monitor + chip support. + + The battery monitor chip is used in many batteries/devices + as the one who is responsible for charging/discharging/monitoring + Li+ batteries. + + If you are unsure, say N. + config W1_SLAVE_BQ27000 tristate "BQ27000 slave support" depends on W1 diff --git a/drivers/w1/slaves/Makefile b/drivers/w1/slaves/Makefile index 1f31e9fb0b2..c4f1859fb52 100644 --- a/drivers/w1/slaves/Makefile +++ b/drivers/w1/slaves/Makefile @@ -10,4 +10,5 @@ obj-$(CONFIG_W1_SLAVE_DS2431) += w1_ds2431.o obj-$(CONFIG_W1_SLAVE_DS2433) += w1_ds2433.o obj-$(CONFIG_W1_SLAVE_DS2760) += w1_ds2760.o obj-$(CONFIG_W1_SLAVE_DS2780) += w1_ds2780.o +obj-$(CONFIG_W1_SLAVE_DS2781) += w1_ds2781.o obj-$(CONFIG_W1_SLAVE_BQ27000) += w1_bq27000.o diff --git a/drivers/w1/slaves/w1_bq27000.c b/drivers/w1/slaves/w1_bq27000.c index 8f4c91f6c68..52ad812fa1e 100644 --- a/drivers/w1/slaves/w1_bq27000.c +++ b/drivers/w1/slaves/w1_bq27000.c @@ -15,6 +15,7 @@ #include <linux/types.h> #include <linux/platform_device.h> #include <linux/mutex.h> +#include <linux/power/bq27x00_battery.h> #include "../w1.h" #include "../w1_int.h" @@ -25,46 +26,37 @@ static int F_ID; -void w1_bq27000_write(struct device *dev, u8 buf, u8 reg) -{ - struct w1_slave *sl = container_of(dev, struct w1_slave, dev); - - if (!dev) { - pr_info("Could not obtain slave dev ptr\n"); - return; - } - - w1_write_8(sl->master, HDQ_CMD_WRITE | reg); - w1_write_8(sl->master, buf); -} -EXPORT_SYMBOL(w1_bq27000_write); - -int w1_bq27000_read(struct device *dev, u8 reg) +static int w1_bq27000_read(struct device *dev, unsigned int reg) { u8 val; - struct w1_slave *sl = container_of(dev, struct w1_slave, dev); - - if (!dev) - return 0; + struct w1_slave *sl = container_of(dev->parent, struct w1_slave, dev); + mutex_lock(&sl->master->mutex); w1_write_8(sl->master, HDQ_CMD_READ | reg); val = w1_read_8(sl->master); + mutex_unlock(&sl->master->mutex); return val; } -EXPORT_SYMBOL(w1_bq27000_read); + +static struct bq27000_platform_data bq27000_battery_info = { + .read = w1_bq27000_read, + .name = "bq27000-battery", +}; static int w1_bq27000_add_slave(struct w1_slave *sl) { int ret; - int id = 1; struct platform_device *pdev; - pdev = platform_device_alloc("bq27000-battery", id); + pdev = platform_device_alloc("bq27000-battery", -1); if (!pdev) { ret = -ENOMEM; return ret; } + ret = platform_device_add_data(pdev, + &bq27000_battery_info, + sizeof(bq27000_battery_info)); pdev->dev.parent = &sl->dev; ret = platform_device_add(pdev); diff --git a/drivers/w1/slaves/w1_ds2781.c b/drivers/w1/slaves/w1_ds2781.c new file mode 100644 index 00000000000..0d0c7985293 --- /dev/null +++ b/drivers/w1/slaves/w1_ds2781.c @@ -0,0 +1,201 @@ +/* + * 1-Wire implementation for the ds2781 chip + * + * Author: Renata Sayakhova <renata@oktetlabs.ru> + * + * Based on w1-ds2780 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/types.h> +#include <linux/platform_device.h> +#include <linux/mutex.h> +#include <linux/idr.h> + +#include "../w1.h" +#include "../w1_int.h" +#include "../w1_family.h" +#include "w1_ds2781.h" + +static int w1_ds2781_do_io(struct device *dev, char *buf, int addr, + size_t count, int io) +{ + struct w1_slave *sl = container_of(dev, struct w1_slave, dev); + + if (addr > DS2781_DATA_SIZE || addr < 0) + return 0; + + count = min_t(int, count, DS2781_DATA_SIZE - addr); + + if (w1_reset_select_slave(sl) == 0) { + if (io) { + w1_write_8(sl->master, W1_DS2781_WRITE_DATA); + w1_write_8(sl->master, addr); + w1_write_block(sl->master, buf, count); + } else { + w1_write_8(sl->master, W1_DS2781_READ_DATA); + w1_write_8(sl->master, addr); + count = w1_read_block(sl->master, buf, count); + } + } + + return count; +} + +int w1_ds2781_io(struct device *dev, char *buf, int addr, size_t count, + int io) +{ + struct w1_slave *sl = container_of(dev, struct w1_slave, dev); + int ret; + + if (!dev) + return -ENODEV; + + mutex_lock(&sl->master->mutex); + + ret = w1_ds2781_do_io(dev, buf, addr, count, io); + + mutex_unlock(&sl->master->mutex); + + return ret; +} +EXPORT_SYMBOL(w1_ds2781_io); + +int w1_ds2781_io_nolock(struct device *dev, char *buf, int addr, size_t count, + int io) +{ + int ret; + + if (!dev) + return -ENODEV; + + ret = w1_ds2781_do_io(dev, buf, addr, count, io); + + return ret; +} +EXPORT_SYMBOL(w1_ds2781_io_nolock); + +int w1_ds2781_eeprom_cmd(struct device *dev, int addr, int cmd) +{ + struct w1_slave *sl = container_of(dev, struct w1_slave, dev); + + if (!dev) + return -EINVAL; + + mutex_lock(&sl->master->mutex); + + if (w1_reset_select_slave(sl) == 0) { + w1_write_8(sl->master, cmd); + w1_write_8(sl->master, addr); + } + + mutex_unlock(&sl->master->mutex); + return 0; +} +EXPORT_SYMBOL(w1_ds2781_eeprom_cmd); + +static ssize_t w1_ds2781_read_bin(struct file *filp, + struct kobject *kobj, + struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) +{ + struct device *dev = container_of(kobj, struct device, kobj); + return w1_ds2781_io(dev, buf, off, count, 0); +} + +static struct bin_attribute w1_ds2781_bin_attr = { + .attr = { + .name = "w1_slave", + .mode = S_IRUGO, + }, + .size = DS2781_DATA_SIZE, + .read = w1_ds2781_read_bin, +}; + +static DEFINE_IDA(bat_ida); + +static int w1_ds2781_add_slave(struct w1_slave *sl) +{ + int ret; + int id; + struct platform_device *pdev; + + id = ida_simple_get(&bat_ida, 0, 0, GFP_KERNEL); + if (id < 0) { + ret = id; + goto noid; + } + + pdev = platform_device_alloc("ds2781-battery", id); + if (!pdev) { + ret = -ENOMEM; + goto pdev_alloc_failed; + } + pdev->dev.parent = &sl->dev; + + ret = platform_device_add(pdev); + if (ret) + goto pdev_add_failed; + + ret = sysfs_create_bin_file(&sl->dev.kobj, &w1_ds2781_bin_attr); + if (ret) + goto bin_attr_failed; + + dev_set_drvdata(&sl->dev, pdev); + + return 0; + +bin_attr_failed: +pdev_add_failed: + platform_device_unregister(pdev); +pdev_alloc_failed: + ida_simple_remove(&bat_ida, id); +noid: + return ret; +} + +static void w1_ds2781_remove_slave(struct w1_slave *sl) +{ + struct platform_device *pdev = dev_get_drvdata(&sl->dev); + int id = pdev->id; + + platform_device_unregister(pdev); + ida_simple_remove(&bat_ida, id); + sysfs_remove_bin_file(&sl->dev.kobj, &w1_ds2781_bin_attr); +} + +static struct w1_family_ops w1_ds2781_fops = { + .add_slave = w1_ds2781_add_slave, + .remove_slave = w1_ds2781_remove_slave, +}; + +static struct w1_family w1_ds2781_family = { + .fid = W1_FAMILY_DS2781, + .fops = &w1_ds2781_fops, +}; + +static int __init w1_ds2781_init(void) +{ + ida_init(&bat_ida); + return w1_register_family(&w1_ds2781_family); +} + +static void __exit w1_ds2781_exit(void) +{ + w1_unregister_family(&w1_ds2781_family); + ida_destroy(&bat_ida); +} + +module_init(w1_ds2781_init); +module_exit(w1_ds2781_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Renata Sayakhova <renata@oktetlabs.ru>"); +MODULE_DESCRIPTION("1-wire Driver for Maxim/Dallas DS2781 Stand-Alone Fuel Gauge IC"); diff --git a/drivers/w1/slaves/w1_ds2781.h b/drivers/w1/slaves/w1_ds2781.h new file mode 100644 index 00000000000..82bc66497b4 --- /dev/null +++ b/drivers/w1/slaves/w1_ds2781.h @@ -0,0 +1,136 @@ +/* + * 1-Wire implementation for the ds2780 chip + * + * Author: Renata Sayakhova <renata@oktetlabs.ru> + * + * Based on w1-ds2760 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef _W1_DS2781_H +#define _W1_DS2781_H + +/* Function commands */ +#define W1_DS2781_READ_DATA 0x69 +#define W1_DS2781_WRITE_DATA 0x6C +#define W1_DS2781_COPY_DATA 0x48 +#define W1_DS2781_RECALL_DATA 0xB8 +#define W1_DS2781_LOCK 0x6A + +/* Register map */ +/* Register 0x00 Reserved */ +#define DS2781_STATUS 0x01 +#define DS2781_RAAC_MSB 0x02 +#define DS2781_RAAC_LSB 0x03 +#define DS2781_RSAC_MSB 0x04 +#define DS2781_RSAC_LSB 0x05 +#define DS2781_RARC 0x06 +#define DS2781_RSRC 0x07 +#define DS2781_IAVG_MSB 0x08 +#define DS2781_IAVG_LSB 0x09 +#define DS2781_TEMP_MSB 0x0A +#define DS2781_TEMP_LSB 0x0B +#define DS2781_VOLT_MSB 0x0C +#define DS2781_VOLT_LSB 0x0D +#define DS2781_CURRENT_MSB 0x0E +#define DS2781_CURRENT_LSB 0x0F +#define DS2781_ACR_MSB 0x10 +#define DS2781_ACR_LSB 0x11 +#define DS2781_ACRL_MSB 0x12 +#define DS2781_ACRL_LSB 0x13 +#define DS2781_AS 0x14 +#define DS2781_SFR 0x15 +#define DS2781_FULL_MSB 0x16 +#define DS2781_FULL_LSB 0x17 +#define DS2781_AE_MSB 0x18 +#define DS2781_AE_LSB 0x19 +#define DS2781_SE_MSB 0x1A +#define DS2781_SE_LSB 0x1B +/* Register 0x1C - 0x1E Reserved */ +#define DS2781_EEPROM 0x1F +#define DS2781_EEPROM_BLOCK0_START 0x20 +/* Register 0x20 - 0x2F User EEPROM */ +#define DS2781_EEPROM_BLOCK0_END 0x2F +/* Register 0x30 - 0x5F Reserved */ +#define DS2781_EEPROM_BLOCK1_START 0x60 +#define DS2781_CONTROL 0x60 +#define DS2781_AB 0x61 +#define DS2781_AC_MSB 0x62 +#define DS2781_AC_LSB 0x63 +#define DS2781_VCHG 0x64 +#define DS2781_IMIN 0x65 +#define DS2781_VAE 0x66 +#define DS2781_IAE 0x67 +#define DS2781_AE_40 0x68 +#define DS2781_RSNSP 0x69 +#define DS2781_FULL_40_MSB 0x6A +#define DS2781_FULL_40_LSB 0x6B +#define DS2781_FULL_4_SLOPE 0x6C +#define DS2781_FULL_3_SLOPE 0x6D +#define DS2781_FULL_2_SLOPE 0x6E +#define DS2781_FULL_1_SLOPE 0x6F +#define DS2781_AE_4_SLOPE 0x70 +#define DS2781_AE_3_SLOPE 0x71 +#define DS2781_AE_2_SLOPE 0x72 +#define DS2781_AE_1_SLOPE 0x73 +#define DS2781_SE_4_SLOPE 0x74 +#define DS2781_SE_3_SLOPE 0x75 +#define DS2781_SE_2_SLOPE 0x76 +#define DS2781_SE_1_SLOPE 0x77 +#define DS2781_RSGAIN_MSB 0x78 +#define DS2781_RSGAIN_LSB 0x79 +#define DS2781_RSTC 0x7A +#define DS2781_COB 0x7B +#define DS2781_TBP34 0x7C +#define DS2781_TBP23 0x7D +#define DS2781_TBP12 0x7E +#define DS2781_EEPROM_BLOCK1_END 0x7F +/* Register 0x7D - 0xFF Reserved */ + +#define DS2781_FSGAIN_MSB 0xB0 +#define DS2781_FSGAIN_LSB 0xB1 + +/* Number of valid register addresses */ +#define DS2781_DATA_SIZE 0xB2 + +/* Status register bits */ +#define DS2781_STATUS_CHGTF (1 << 7) +#define DS2781_STATUS_AEF (1 << 6) +#define DS2781_STATUS_SEF (1 << 5) +#define DS2781_STATUS_LEARNF (1 << 4) +/* Bit 3 Reserved */ +#define DS2781_STATUS_UVF (1 << 2) +#define DS2781_STATUS_PORF (1 << 1) +/* Bit 0 Reserved */ + +/* Control register bits */ +/* Bit 7 Reserved */ +#define DS2781_CONTROL_NBEN (1 << 7) +#define DS2781_CONTROL_UVEN (1 << 6) +#define DS2781_CONTROL_PMOD (1 << 5) +#define DS2781_CONTROL_RNAOP (1 << 4) +#define DS1781_CONTROL_UVTH (1 << 3) +/* Bit 0 - 2 Reserved */ + +/* Special feature register bits */ +/* Bit 1 - 7 Reserved */ +#define DS2781_SFR_PIOSC (1 << 0) + +/* EEPROM register bits */ +#define DS2781_EEPROM_EEC (1 << 7) +#define DS2781_EEPROM_LOCK (1 << 6) +/* Bit 2 - 6 Reserved */ +#define DS2781_EEPROM_BL1 (1 << 1) +#define DS2781_EEPROM_BL0 (1 << 0) + +extern int w1_ds2781_io(struct device *dev, char *buf, int addr, size_t count, + int io); +extern int w1_ds2781_io_nolock(struct device *dev, char *buf, int addr, + size_t count, int io); +extern int w1_ds2781_eeprom_cmd(struct device *dev, int addr, int cmd); + +#endif /* !_W1_DS2781_H */ diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h index 490cda2281b..874aeb05011 100644 --- a/drivers/w1/w1_family.h +++ b/drivers/w1/w1_family.h @@ -38,6 +38,7 @@ #define W1_EEPROM_DS2431 0x2D #define W1_FAMILY_DS2760 0x30 #define W1_FAMILY_DS2780 0x32 +#define W1_FAMILY_DS2781 0x3D #define W1_THERM_DS28EA00 0x42 #define MAXNAMELEN 32 |