diff options
Diffstat (limited to 'hw/qdev-monitor.c')
| -rw-r--r-- | hw/qdev-monitor.c | 683 |
1 files changed, 0 insertions, 683 deletions
diff --git a/hw/qdev-monitor.c b/hw/qdev-monitor.c deleted file mode 100644 index 4f9a6eb39a..0000000000 --- a/hw/qdev-monitor.c +++ /dev/null @@ -1,683 +0,0 @@ -/* - * Dynamic device configuration and creation. - * - * Copyright (c) 2009 CodeSourcery - * - * This library 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 of the License, or (at your option) any later version. - * - * This library 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 library; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "qdev.h" -#include "monitor/monitor.h" -#include "qmp-commands.h" -#include "sysemu/arch_init.h" -#include "qemu/config-file.h" - -/* - * Aliases were a bad idea from the start. Let's keep them - * from spreading further. - */ -typedef struct QDevAlias -{ - const char *typename; - const char *alias; - uint32_t arch_mask; -} QDevAlias; - -static const QDevAlias qdev_alias_table[] = { - { "virtio-blk-pci", "virtio-blk", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, - { "virtio-net-pci", "virtio-net", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, - { "virtio-serial-pci", "virtio-serial", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, - { "virtio-balloon-pci", "virtio-balloon", - QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, - { "virtio-blk-s390", "virtio-blk", QEMU_ARCH_S390X }, - { "virtio-net-s390", "virtio-net", QEMU_ARCH_S390X }, - { "virtio-serial-s390", "virtio-serial", QEMU_ARCH_S390X }, - { "lsi53c895a", "lsi" }, - { "ich9-ahci", "ahci" }, - { "kvm-pci-assign", "pci-assign" }, - { } -}; - -static const char *qdev_class_get_alias(DeviceClass *dc) -{ - const char *typename = object_class_get_name(OBJECT_CLASS(dc)); - int i; - - for (i = 0; qdev_alias_table[i].typename; i++) { - if (qdev_alias_table[i].arch_mask && - !(qdev_alias_table[i].arch_mask & arch_type)) { - continue; - } - - if (strcmp(qdev_alias_table[i].typename, typename) == 0) { - return qdev_alias_table[i].alias; - } - } - - return NULL; -} - -static bool qdev_class_has_alias(DeviceClass *dc) -{ - return (qdev_class_get_alias(dc) != NULL); -} - -static void qdev_print_devinfo(ObjectClass *klass, void *opaque) -{ - DeviceClass *dc; - bool *show_no_user = opaque; - - dc = (DeviceClass *)object_class_dynamic_cast(klass, TYPE_DEVICE); - - if (!dc || (show_no_user && !*show_no_user && dc->no_user)) { - return; - } - - error_printf("name \"%s\"", object_class_get_name(klass)); - if (dc->bus_type) { - error_printf(", bus %s", dc->bus_type); - } - if (qdev_class_has_alias(dc)) { - error_printf(", alias \"%s\"", qdev_class_get_alias(dc)); - } - if (dc->desc) { - error_printf(", desc \"%s\"", dc->desc); - } - if (dc->no_user) { - error_printf(", no-user"); - } - error_printf("\n"); -} - -static int set_property(const char *name, const char *value, void *opaque) -{ - DeviceState *dev = opaque; - - if (strcmp(name, "driver") == 0) - return 0; - if (strcmp(name, "bus") == 0) - return 0; - - if (qdev_prop_parse(dev, name, value) == -1) { - return -1; - } - return 0; -} - -static const char *find_typename_by_alias(const char *alias) -{ - int i; - - for (i = 0; qdev_alias_table[i].alias; i++) { - if (qdev_alias_table[i].arch_mask && - !(qdev_alias_table[i].arch_mask & arch_type)) { - continue; - } - - if (strcmp(qdev_alias_table[i].alias, alias) == 0) { - return qdev_alias_table[i].typename; - } - } - - return NULL; -} - -int qdev_device_help(QemuOpts *opts) -{ - const char *driver; - Property *prop; - ObjectClass *klass; - - driver = qemu_opt_get(opts, "driver"); - if (driver && is_help_option(driver)) { - bool show_no_user = false; - object_class_foreach(qdev_print_devinfo, TYPE_DEVICE, false, &show_no_user); - return 1; - } - - if (!driver || !qemu_opt_has_help_opt(opts)) { - return 0; - } - - klass = object_class_by_name(driver); - if (!klass) { - const char *typename = find_typename_by_alias(driver); - - if (typename) { - driver = typename; - klass = object_class_by_name(driver); - } - } - - if (!klass) { - return 0; - } - do { - for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) { - /* - * TODO Properties without a parser are just for dirty hacks. - * qdev_prop_ptr is the only such PropertyInfo. It's marked - * for removal. This conditional should be removed along with - * it. - */ - if (!prop->info->set) { - continue; /* no way to set it, don't show */ - } - error_printf("%s.%s=%s\n", driver, prop->name, - prop->info->legacy_name ?: prop->info->name); - } - klass = object_class_get_parent(klass); - } while (klass != object_class_by_name(TYPE_DEVICE)); - return 1; -} - -static Object *qdev_get_peripheral(void) -{ - static Object *dev; - - if (dev == NULL) { - dev = container_get(qdev_get_machine(), "/peripheral"); - } - - return dev; -} - -static Object *qdev_get_peripheral_anon(void) -{ - static Object *dev; - - if (dev == NULL) { - dev = container_get(qdev_get_machine(), "/peripheral-anon"); - } - - return dev; -} - -static void qbus_list_bus(DeviceState *dev) -{ - BusState *child; - const char *sep = " "; - - error_printf("child busses at \"%s\":", - dev->id ? dev->id : object_get_typename(OBJECT(dev))); - QLIST_FOREACH(child, &dev->child_bus, sibling) { - error_printf("%s\"%s\"", sep, child->name); - sep = ", "; - } - error_printf("\n"); -} - -static void qbus_list_dev(BusState *bus) -{ - BusChild *kid; - const char *sep = " "; - - error_printf("devices at \"%s\":", bus->name); - QTAILQ_FOREACH(kid, &bus->children, sibling) { - DeviceState *dev = kid->child; - error_printf("%s\"%s\"", sep, object_get_typename(OBJECT(dev))); - if (dev->id) - error_printf("/\"%s\"", dev->id); - sep = ", "; - } - error_printf("\n"); -} - -static BusState *qbus_find_bus(DeviceState *dev, char *elem) -{ - BusState *child; - - QLIST_FOREACH(child, &dev->child_bus, sibling) { - if (strcmp(child->name, elem) == 0) { - return child; - } - } - return NULL; -} - -static DeviceState *qbus_find_dev(BusState *bus, char *elem) -{ - BusChild *kid; - - /* - * try to match in order: - * (1) instance id, if present - * (2) driver name - * (3) driver alias, if present - */ - QTAILQ_FOREACH(kid, &bus->children, sibling) { - DeviceState *dev = kid->child; - if (dev->id && strcmp(dev->id, elem) == 0) { - return dev; - } - } - QTAILQ_FOREACH(kid, &bus->children, sibling) { - DeviceState *dev = kid->child; - if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) { - return dev; - } - } - QTAILQ_FOREACH(kid, &bus->children, sibling) { - DeviceState *dev = kid->child; - DeviceClass *dc = DEVICE_GET_CLASS(dev); - - if (qdev_class_has_alias(dc) && - strcmp(qdev_class_get_alias(dc), elem) == 0) { - return dev; - } - } - return NULL; -} - -static BusState *qbus_find_recursive(BusState *bus, const char *name, - const char *bus_typename) -{ - BusClass *bus_class = BUS_GET_CLASS(bus); - BusChild *kid; - BusState *child, *ret; - int match = 1; - - if (name && (strcmp(bus->name, name) != 0)) { - match = 0; - } - if (bus_typename && !object_dynamic_cast(OBJECT(bus), bus_typename)) { - match = 0; - } - if ((bus_class->max_dev != 0) && (bus_class->max_dev <= bus->max_index)) { - if (name != NULL) { - /* bus was explicitly specified: return an error. */ - qerror_report(ERROR_CLASS_GENERIC_ERROR, "Bus '%s' is full", - bus->name); - return NULL; - } else { - /* bus was not specified: try to find another one. */ - match = 0; - } - } - if (match) { - return bus; - } - - QTAILQ_FOREACH(kid, &bus->children, sibling) { - DeviceState *dev = kid->child; - QLIST_FOREACH(child, &dev->child_bus, sibling) { - ret = qbus_find_recursive(child, name, bus_typename); - if (ret) { - return ret; - } - } - } - return NULL; -} - -static BusState *qbus_find(const char *path) -{ - DeviceState *dev; - BusState *bus; - char elem[128]; - int pos, len; - - /* find start element */ - if (path[0] == '/') { - bus = sysbus_get_default(); - pos = 0; - } else { - if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { - assert(!path[0]); - elem[0] = len = 0; - } - bus = qbus_find_recursive(sysbus_get_default(), elem, NULL); - if (!bus) { - qerror_report(QERR_BUS_NOT_FOUND, elem); - return NULL; - } - pos = len; - } - - for (;;) { - assert(path[pos] == '/' || !path[pos]); - while (path[pos] == '/') { - pos++; - } - if (path[pos] == '\0') { - return bus; - } - - /* find device */ - if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { - assert(0); - elem[0] = len = 0; - } - pos += len; - dev = qbus_find_dev(bus, elem); - if (!dev) { - qerror_report(QERR_DEVICE_NOT_FOUND, elem); - if (!monitor_cur_is_qmp()) { - qbus_list_dev(bus); - } - return NULL; - } - - assert(path[pos] == '/' || !path[pos]); - while (path[pos] == '/') { - pos++; - } - if (path[pos] == '\0') { - /* last specified element is a device. If it has exactly - * one child bus accept it nevertheless */ - switch (dev->num_child_bus) { - case 0: - qerror_report(QERR_DEVICE_NO_BUS, elem); - return NULL; - case 1: - return QLIST_FIRST(&dev->child_bus); - default: - qerror_report(QERR_DEVICE_MULTIPLE_BUSSES, elem); - if (!monitor_cur_is_qmp()) { - qbus_list_bus(dev); - } - return NULL; - } - } - - /* find bus */ - if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { - assert(0); - elem[0] = len = 0; - } - pos += len; - bus = qbus_find_bus(dev, elem); - if (!bus) { - qerror_report(QERR_BUS_NOT_FOUND, elem); - if (!monitor_cur_is_qmp()) { - qbus_list_bus(dev); - } - return NULL; - } - } -} - -DeviceState *qdev_device_add(QemuOpts *opts) -{ - ObjectClass *obj; - DeviceClass *k; - const char *driver, *path, *id; - DeviceState *qdev; - BusState *bus; - - driver = qemu_opt_get(opts, "driver"); - if (!driver) { - qerror_report(QERR_MISSING_PARAMETER, "driver"); - return NULL; - } - - /* find driver */ - obj = object_class_by_name(driver); - if (!obj) { - const char *typename = find_typename_by_alias(driver); - - if (typename) { - driver = typename; - obj = object_class_by_name(driver); - } - } - - if (!obj) { - qerror_report(QERR_INVALID_PARAMETER_VALUE, "driver", "device type"); - return NULL; - } - - k = DEVICE_CLASS(obj); - - /* find bus */ - path = qemu_opt_get(opts, "bus"); - if (path != NULL) { - bus = qbus_find(path); - if (!bus) { - return NULL; - } - if (!object_dynamic_cast(OBJECT(bus), k->bus_type)) { - qerror_report(QERR_BAD_BUS_FOR_DEVICE, - driver, object_get_typename(OBJECT(bus))); - return NULL; - } - } else { - bus = qbus_find_recursive(sysbus_get_default(), NULL, k->bus_type); - if (!bus) { - qerror_report(QERR_NO_BUS_FOR_DEVICE, - k->bus_type, driver); - return NULL; - } - } - if (qdev_hotplug && !bus->allow_hotplug) { - qerror_report(QERR_BUS_NO_HOTPLUG, bus->name); - return NULL; - } - - if (!bus) { - bus = sysbus_get_default(); - } - - /* create device, set properties */ - qdev = DEVICE(object_new(driver)); - qdev_set_parent_bus(qdev, bus); - - id = qemu_opts_id(opts); - if (id) { - qdev->id = id; - } - if (qemu_opt_foreach(opts, set_property, qdev, 1) != 0) { - qdev_free(qdev); - return NULL; - } - if (qdev->id) { - object_property_add_child(qdev_get_peripheral(), qdev->id, - OBJECT(qdev), NULL); - } else { - static int anon_count; - gchar *name = g_strdup_printf("device[%d]", anon_count++); - object_property_add_child(qdev_get_peripheral_anon(), name, - OBJECT(qdev), NULL); - g_free(name); - } - if (qdev_init(qdev) < 0) { - qerror_report(QERR_DEVICE_INIT_FAILED, driver); - return NULL; - } - qdev->opts = opts; - return qdev; -} - - -#define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) -static void qbus_print(Monitor *mon, BusState *bus, int indent); - -static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, - int indent) -{ - if (!props) - return; - for (; props->name; props++) { - Error *err = NULL; - char *value; - char *legacy_name = g_strdup_printf("legacy-%s", props->name); - if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { - value = object_property_get_str(OBJECT(dev), legacy_name, &err); - } else { - value = object_property_print(OBJECT(dev), props->name, &err); - } - g_free(legacy_name); - - if (err) { - error_free(err); - continue; - } - qdev_printf("%s = %s\n", props->name, - value && *value ? value : "<null>"); - g_free(value); - } -} - -static void bus_print_dev(BusState *bus, Monitor *mon, DeviceState *dev, int indent) -{ - BusClass *bc = BUS_GET_CLASS(bus); - - if (bc->print_dev) { - bc->print_dev(mon, dev, indent); - } -} - -static void qdev_print(Monitor *mon, DeviceState *dev, int indent) -{ - ObjectClass *class; - BusState *child; - qdev_printf("dev: %s, id \"%s\"\n", object_get_typename(OBJECT(dev)), - dev->id ? dev->id : ""); - indent += 2; - if (dev->num_gpio_in) { - qdev_printf("gpio-in %d\n", dev->num_gpio_in); - } - if (dev->num_gpio_out) { - qdev_printf("gpio-out %d\n", dev->num_gpio_out); - } - class = object_get_class(OBJECT(dev)); - do { - qdev_print_props(mon, dev, DEVICE_CLASS(class)->props, indent); - class = object_class_get_parent(class); - } while (class != object_class_by_name(TYPE_DEVICE)); - bus_print_dev(dev->parent_bus, mon, dev, indent); - QLIST_FOREACH(child, &dev->child_bus, sibling) { - qbus_print(mon, child, indent); - } -} - -static void qbus_print(Monitor *mon, BusState *bus, int indent) -{ - BusChild *kid; - - qdev_printf("bus: %s\n", bus->name); - indent += 2; - qdev_printf("type %s\n", object_get_typename(OBJECT(bus))); - QTAILQ_FOREACH(kid, &bus->children, sibling) { - DeviceState *dev = kid->child; - qdev_print(mon, dev, indent); - } -} -#undef qdev_printf - -void do_info_qtree(Monitor *mon, const QDict *qdict) -{ - if (sysbus_get_default()) - qbus_print(mon, sysbus_get_default(), 0); -} - -void do_info_qdm(Monitor *mon, const QDict *qdict) -{ - object_class_foreach(qdev_print_devinfo, TYPE_DEVICE, false, NULL); -} - -int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data) -{ - Error *local_err = NULL; - QemuOpts *opts; - DeviceState *dev; - - opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err); - if (error_is_set(&local_err)) { - qerror_report_err(local_err); - error_free(local_err); - return -1; - } - if (!monitor_cur_is_qmp() && qdev_device_help(opts)) { - qemu_opts_del(opts); - return 0; - } - dev = qdev_device_add(opts); - if (!dev) { - qemu_opts_del(opts); - return -1; - } - object_unref(OBJECT(dev)); - return 0; -} - -void qmp_device_del(const char *id, Error **errp) -{ - DeviceState *dev; - - dev = qdev_find_recursive(sysbus_get_default(), id); - if (NULL == dev) { - error_set(errp, QERR_DEVICE_NOT_FOUND, id); - return; - } - - qdev_unplug(dev, errp); -} - -void qdev_machine_init(void) -{ - qdev_get_peripheral_anon(); - qdev_get_peripheral(); -} - -QemuOptsList qemu_device_opts = { - .name = "device", - .implied_opt_name = "driver", - .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head), - .desc = { - /* - * no elements => accept any - * sanity checking will happen later - * when setting device properties - */ - { /* end of list */ } - }, -}; - -QemuOptsList qemu_global_opts = { - .name = "global", - .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head), - .desc = { - { - .name = "driver", - .type = QEMU_OPT_STRING, - },{ - .name = "property", - .type = QEMU_OPT_STRING, - },{ - .name = "value", - .type = QEMU_OPT_STRING, - }, - { /* end of list */ } - }, -}; - -int qemu_global_option(const char *str) -{ - char driver[64], property[64]; - QemuOpts *opts; - int rc, offset; - - rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset); - if (rc < 2 || str[offset] != '=') { - error_report("can't parse: \"%s\"", str); - return -1; - } - - opts = qemu_opts_create_nofail(&qemu_global_opts); - qemu_opt_set(opts, "driver", driver); - qemu_opt_set(opts, "property", property); - qemu_opt_set(opts, "value", str+offset+1); - return 0; -} |