diff options
Diffstat (limited to 'hw/s390x/s390-virtio.c')
-rw-r--r-- | hw/s390x/s390-virtio.c | 73 |
1 files changed, 40 insertions, 33 deletions
diff --git a/hw/s390x/s390-virtio.c b/hw/s390x/s390-virtio.c index 1284e77b2..ae55760d6 100644 --- a/hw/s390x/s390-virtio.c +++ b/hw/s390x/s390-virtio.c @@ -23,6 +23,7 @@ #include "hw/hw.h" #include "qapi/qmp/qerror.h" +#include "qemu/error-report.h" #include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "sysemu/sysemu.h" @@ -30,14 +31,16 @@ #include "hw/boards.h" #include "hw/loader.h" #include "hw/virtio/virtio.h" -#include "hw/sysbus.h" #include "sysemu/kvm.h" #include "exec/address-spaces.h" +#include "sysemu/qtest.h" #include "hw/s390x/s390-virtio-bus.h" #include "hw/s390x/sclp.h" #include "hw/s390x/s390_flic.h" #include "hw/s390x/s390-virtio.h" +#include "hw/s390x/storage-keys.h" +#include "hw/s390x/ipl.h" #include "cpu.h" //#define DEBUG_S390 @@ -52,7 +55,8 @@ #define MAX_BLK_DEVS 10 #define ZIPL_FILENAME "s390-zipl.rom" -#define TYPE_S390_MACHINE "s390-machine" +#define S390_MACHINE "s390-virtio" +#define TYPE_S390_MACHINE MACHINE_TYPE_NAME(S390_MACHINE) #define S390_TOD_CLOCK_VALUE_MISSING 0x00 #define S390_TOD_CLOCK_VALUE_PRESENT 0x01 @@ -147,9 +151,9 @@ void s390_init_ipl_dev(const char *kernel_filename, const char *firmware, bool enforce_bios) { - DeviceState *dev; + Object *new = object_new(TYPE_S390_IPL); + DeviceState *dev = DEVICE(new); - dev = qdev_create(NULL, "s390-ipl"); if (kernel_filename) { qdev_prop_set_string(dev, "kernel", kernel_filename); } @@ -159,12 +163,13 @@ void s390_init_ipl_dev(const char *kernel_filename, qdev_prop_set_string(dev, "cmdline", kernel_cmdline); qdev_prop_set_string(dev, "firmware", firmware); qdev_prop_set_bit(dev, "enforce_bios", enforce_bios); - object_property_add_child(qdev_get_machine(), "s390-ipl", - OBJECT(dev), NULL); + object_property_add_child(qdev_get_machine(), TYPE_S390_IPL, + new, NULL); + object_unref(new); qdev_init_nofail(dev); } -void s390_init_cpus(const char *cpu_model, uint8_t *storage_keys) +void s390_init_cpus(const char *cpu_model) { int i; @@ -184,7 +189,6 @@ void s390_init_cpus(const char *cpu_model, uint8_t *storage_keys) ipi_states[i] = cpu; cs->halted = 1; cs->exception_index = EXCP_HLT; - cpu->env.storage_keys = storage_keys; } } @@ -260,31 +264,26 @@ int gtod_load(QEMUFile *f, void *opaque, int version_id) /* PC hardware initialisation */ static void s390_init(MachineState *machine) { - ram_addr_t my_ram_size = machine->ram_size; - MemoryRegion *sysmem = get_system_memory(); - MemoryRegion *ram = g_new(MemoryRegion, 1); - int increment_size = 20; - uint8_t *storage_keys; + ram_addr_t my_ram_size; void *virtio_region; hwaddr virtio_region_len; hwaddr virtio_region_start; - /* - * The storage increment size is a multiple of 1M and is a power of 2. - * The number of storage increments must be MAX_STORAGE_INCREMENTS or - * fewer. - */ - while ((my_ram_size >> increment_size) > MAX_STORAGE_INCREMENTS) { - increment_size++; + if (!qtest_enabled()) { + error_printf("WARNING\n" + "The s390-virtio machine (non-ccw) is deprecated.\n" + "It will be removed in 2.6. Please use s390-ccw-virtio\n"); } - my_ram_size = my_ram_size >> increment_size << increment_size; - /* let's propagate the changed ram size into the global variable. */ - ram_size = my_ram_size; + if (machine->ram_slots) { + error_report("Memory hotplug not supported by the selected machine."); + exit(EXIT_FAILURE); + } + s390_sclp_init(); + my_ram_size = machine->ram_size; /* get a BUS */ s390_bus = s390_virtio_bus_init(&my_ram_size); - s390_sclp_init(); s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline, machine->initrd_filename, ZIPL_FILENAME, false); s390_flic_init(); @@ -293,9 +292,7 @@ static void s390_init(MachineState *machine) s390_virtio_register_hcalls(); /* allocate RAM */ - memory_region_init_ram(ram, NULL, "s390.ram", my_ram_size, &error_abort); - vmstate_register_ram_global(ram); - memory_region_add_subregion(sysmem, 0, ram); + s390_memory_init(my_ram_size); /* clear virtio region */ virtio_region_len = my_ram_size - ram_size; @@ -306,11 +303,8 @@ static void s390_init(MachineState *machine) cpu_physical_memory_unmap(virtio_region, virtio_region_len, 1, virtio_region_len); - /* allocate storage keys */ - storage_keys = g_malloc0(my_ram_size / TARGET_PAGE_SIZE); - /* init CPUs */ - s390_init_cpus(machine->cpu_model, storage_keys); + s390_init_cpus(machine->cpu_model); /* Create VirtIO network adapters */ s390_create_virtio_net((BusState *)s390_bus, "virtio-net-s390"); @@ -328,15 +322,28 @@ void s390_nmi(NMIState *n, int cpu_index, Error **errp) } } +void s390_machine_reset(void) +{ + S390CPU *ipl_cpu = S390_CPU(qemu_get_cpu(0)); + + qemu_devices_reset(); + s390_cmma_reset(); + s390_crypto_reset(); + + /* all cpus are stopped - configure and start the ipl cpu only */ + s390_ipl_prepare_cpu(ipl_cpu); + s390_cpu_set_state(CPU_STATE_OPERATING, ipl_cpu); +} + static void s390_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); NMIClass *nc = NMI_CLASS(oc); - mc->name = "s390-virtio"; mc->alias = "s390"; - mc->desc = "VirtIO based S390 machine"; + mc->desc = "VirtIO based S390 machine (deprecated)"; mc->init = s390_init; + mc->reset = s390_machine_reset; mc->block_default_type = IF_VIRTIO; mc->max_cpus = 255; mc->no_serial = 1; |