diff options
author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2013-01-24 02:28:09 +0000 |
---|---|---|
committer | Alexander Graf <agraf@suse.de> | 2013-01-29 21:50:04 +0100 |
commit | fad37673f53ac8a2e0575c084a26e5f6bb59957d (patch) | |
tree | 646c65aa3ac51a08dead1eff56343675580e64af | |
parent | 09b998782978f95f626236b39f0be99c02a014a9 (diff) |
s390-virtio: Factor out some initialization code.
Some of the machine initialization for s390-virtio will be reused
by virtio-ccw.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
-rw-r--r-- | hw/s390-virtio.c | 118 | ||||
-rw-r--r-- | hw/s390-virtio.h | 5 |
2 files changed, 72 insertions, 51 deletions
diff --git a/hw/s390-virtio.c b/hw/s390-virtio.c index 5edaabb7c4..6e0f53bd80 100644 --- a/hw/s390-virtio.c +++ b/hw/s390-virtio.c @@ -147,13 +147,73 @@ unsigned s390_del_running_cpu(CPUS390XState *env) return s390_running_cpus; } +void s390_init_ipl_dev(const char *kernel_filename, + const char *kernel_cmdline, + const char *initrd_filename) +{ + DeviceState *dev; + + dev = qdev_create(NULL, "s390-ipl"); + if (kernel_filename) { + qdev_prop_set_string(dev, "kernel", kernel_filename); + } + if (initrd_filename) { + qdev_prop_set_string(dev, "initrd", initrd_filename); + } + qdev_prop_set_string(dev, "cmdline", kernel_cmdline); + qdev_init_nofail(dev); +} + +void s390_init_cpus(const char *cpu_model, uint8_t *storage_keys) +{ + int i; + + if (cpu_model == NULL) { + cpu_model = "host"; + } + + ipi_states = g_malloc(sizeof(S390CPU *) * smp_cpus); + + for (i = 0; i < smp_cpus; i++) { + S390CPU *cpu; + + cpu = cpu_s390x_init(cpu_model); + + ipi_states[i] = cpu; + cpu->env.halted = 1; + cpu->env.exception_index = EXCP_HLT; + cpu->env.storage_keys = storage_keys; + } +} + + +void s390_create_virtio_net(BusState *bus, const char *name) +{ + int i; + + for (i = 0; i < nb_nics; i++) { + NICInfo *nd = &nd_table[i]; + DeviceState *dev; + + if (!nd->model) { + nd->model = g_strdup("virtio"); + } + + if (strcmp(nd->model, "virtio")) { + fprintf(stderr, "S390 only supports VirtIO nics\n"); + exit(1); + } + + dev = qdev_create(bus, name); + qdev_set_nic_properties(dev, nd); + qdev_init_nofail(dev); + } +} + /* PC hardware initialisation */ static void s390_init(QEMUMachineInitArgs *args) { ram_addr_t my_ram_size = args->ram_size; - const char *cpu_model = args->cpu_model; - CPUS390XState *env = NULL; - DeviceState *dev; MemoryRegion *sysmem = get_system_memory(); MemoryRegion *ram = g_new(MemoryRegion, 1); int shift = 0; @@ -161,7 +221,6 @@ static void s390_init(QEMUMachineInitArgs *args) void *virtio_region; hwaddr virtio_region_len; hwaddr virtio_region_start; - int i; /* s390x ram size detection needs a 16bit multiplier + an increment. So guests > 64GB can be specified in 2MB steps etc. */ @@ -176,15 +235,8 @@ static void s390_init(QEMUMachineInitArgs *args) /* get a BUS */ s390_bus = s390_virtio_bus_init(&my_ram_size); s390_sclp_init(); - dev = qdev_create(NULL, "s390-ipl"); - if (args->kernel_filename) { - qdev_prop_set_string(dev, "kernel", args->kernel_filename); - } - if (args->initrd_filename) { - qdev_prop_set_string(dev, "initrd", args->initrd_filename); - } - qdev_prop_set_string(dev, "cmdline", args->kernel_cmdline); - qdev_init_nofail(dev); + s390_init_ipl_dev(args->kernel_filename, args->kernel_cmdline, + args->initrd_filename); /* register hypercalls */ s390_virtio_register_hcalls(); @@ -207,46 +259,10 @@ static void s390_init(QEMUMachineInitArgs *args) storage_keys = g_malloc0(my_ram_size / TARGET_PAGE_SIZE); /* init CPUs */ - if (cpu_model == NULL) { - cpu_model = "host"; - } - - ipi_states = g_malloc(sizeof(S390CPU *) * smp_cpus); - - for (i = 0; i < smp_cpus; i++) { - S390CPU *cpu; - CPUS390XState *tmp_env; - - cpu = cpu_s390x_init(cpu_model); - tmp_env = &cpu->env; - if (!env) { - env = tmp_env; - } - ipi_states[i] = cpu; - tmp_env->halted = 1; - tmp_env->exception_index = EXCP_HLT; - tmp_env->storage_keys = storage_keys; - } - + s390_init_cpus(args->cpu_model, storage_keys); /* Create VirtIO network adapters */ - for(i = 0; i < nb_nics; i++) { - NICInfo *nd = &nd_table[i]; - DeviceState *dev; - - if (!nd->model) { - nd->model = g_strdup("virtio"); - } - - if (strcmp(nd->model, "virtio")) { - fprintf(stderr, "S390 only supports VirtIO nics\n"); - exit(1); - } - - dev = qdev_create((BusState *)s390_bus, "virtio-net-s390"); - qdev_set_nic_properties(dev, nd); - qdev_init_nofail(dev); - } + s390_create_virtio_net((BusState *)s390_bus, "virtio-net-s390"); } static QEMUMachine s390_machine = { diff --git a/hw/s390-virtio.h b/hw/s390-virtio.h index 25bb610fd8..67bfd20646 100644 --- a/hw/s390-virtio.h +++ b/hw/s390-virtio.h @@ -19,4 +19,9 @@ typedef int (*s390_virtio_fn)(const uint64_t *args); void s390_register_virtio_hypercall(uint64_t code, s390_virtio_fn fn); +void s390_init_cpus(const char *cpu_model, uint8_t *storage_keys); +void s390_init_ipl_dev(const char *kernel_filename, + const char *kernel_cmdline, + const char *initrd_filename); +void s390_create_virtio_net(BusState *bus, const char *name); #endif |