| /* |
| * QEMU Machine |
| * |
| * Copyright (C) 2014 Red Hat Inc |
| * |
| * Authors: |
| * Marcel Apfelbaum <marcel.a@redhat.com> |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| * See the COPYING file in the top-level directory. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qemu/units.h" |
| #include "hw/boards.h" |
| #include "qapi/error.h" |
| #include "qapi/qapi-visit-common.h" |
| #include "qapi/visitor.h" |
| #include "hw/sysbus.h" |
| #include "sysemu/sysemu.h" |
| #include "sysemu/numa.h" |
| #include "qemu/error-report.h" |
| #include "sysemu/qtest.h" |
| |
| static char *machine_get_accel(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return g_strdup(ms->accel); |
| } |
| |
| static void machine_set_accel(Object *obj, const char *value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| g_free(ms->accel); |
| ms->accel = g_strdup(value); |
| } |
| |
| static void machine_set_kernel_irqchip(Object *obj, Visitor *v, |
| const char *name, void *opaque, |
| Error **errp) |
| { |
| Error *err = NULL; |
| MachineState *ms = MACHINE(obj); |
| OnOffSplit mode; |
| |
| visit_type_OnOffSplit(v, name, &mode, &err); |
| if (err) { |
| error_propagate(errp, err); |
| return; |
| } else { |
| switch (mode) { |
| case ON_OFF_SPLIT_ON: |
| ms->kernel_irqchip_allowed = true; |
| ms->kernel_irqchip_required = true; |
| ms->kernel_irqchip_split = false; |
| break; |
| case ON_OFF_SPLIT_OFF: |
| ms->kernel_irqchip_allowed = false; |
| ms->kernel_irqchip_required = false; |
| ms->kernel_irqchip_split = false; |
| break; |
| case ON_OFF_SPLIT_SPLIT: |
| ms->kernel_irqchip_allowed = true; |
| ms->kernel_irqchip_required = true; |
| ms->kernel_irqchip_split = true; |
| break; |
| default: |
| /* The value was checked in visit_type_OnOffSplit() above. If |
| * we get here, then something is wrong in QEMU. |
| */ |
| abort(); |
| } |
| } |
| } |
| |
| static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v, |
| const char *name, void *opaque, |
| Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| int64_t value = ms->kvm_shadow_mem; |
| |
| visit_type_int(v, name, &value, errp); |
| } |
| |
| static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v, |
| const char *name, void *opaque, |
| Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| Error *error = NULL; |
| int64_t value; |
| |
| visit_type_int(v, name, &value, &error); |
| if (error) { |
| error_propagate(errp, error); |
| return; |
| } |
| |
| ms->kvm_shadow_mem = value; |
| } |
| |
| static char *machine_get_kernel(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return g_strdup(ms->kernel_filename); |
| } |
| |
| static void machine_set_kernel(Object *obj, const char *value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| g_free(ms->kernel_filename); |
| ms->kernel_filename = g_strdup(value); |
| } |
| |
| static char *machine_get_initrd(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return g_strdup(ms->initrd_filename); |
| } |
| |
| static void machine_set_initrd(Object *obj, const char *value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| g_free(ms->initrd_filename); |
| ms->initrd_filename = g_strdup(value); |
| } |
| |
| static char *machine_get_append(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return g_strdup(ms->kernel_cmdline); |
| } |
| |
| static void machine_set_append(Object *obj, const char *value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| g_free(ms->kernel_cmdline); |
| ms->kernel_cmdline = g_strdup(value); |
| } |
| |
| static char *machine_get_dtb(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return g_strdup(ms->dtb); |
| } |
| |
| static void machine_set_dtb(Object *obj, const char *value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| g_free(ms->dtb); |
| ms->dtb = g_strdup(value); |
| } |
| |
| static char *machine_get_dumpdtb(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return g_strdup(ms->dumpdtb); |
| } |
| |
| static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| g_free(ms->dumpdtb); |
| ms->dumpdtb = g_strdup(value); |
| } |
| |
| static void machine_get_phandle_start(Object *obj, Visitor *v, |
| const char *name, void *opaque, |
| Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| int64_t value = ms->phandle_start; |
| |
| visit_type_int(v, name, &value, errp); |
| } |
| |
| static void machine_set_phandle_start(Object *obj, Visitor *v, |
| const char *name, void *opaque, |
| Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| Error *error = NULL; |
| int64_t value; |
| |
| visit_type_int(v, name, &value, &error); |
| if (error) { |
| error_propagate(errp, error); |
| return; |
| } |
| |
| ms->phandle_start = value; |
| } |
| |
| static char *machine_get_dt_compatible(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return g_strdup(ms->dt_compatible); |
| } |
| |
| static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| g_free(ms->dt_compatible); |
| ms->dt_compatible = g_strdup(value); |
| } |
| |
| static bool machine_get_dump_guest_core(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return ms->dump_guest_core; |
| } |
| |
| static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| ms->dump_guest_core = value; |
| } |
| |
| static bool machine_get_mem_merge(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return ms->mem_merge; |
| } |
| |
| static void machine_set_mem_merge(Object *obj, bool value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| ms->mem_merge = value; |
| } |
| |
| static bool machine_get_usb(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return ms->usb; |
| } |
| |
| static void machine_set_usb(Object *obj, bool value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| ms->usb = value; |
| ms->usb_disabled = !value; |
| } |
| |
| static bool machine_get_graphics(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return ms->enable_graphics; |
| } |
| |
| static void machine_set_graphics(Object *obj, bool value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| ms->enable_graphics = value; |
| } |
| |
| static bool machine_get_igd_gfx_passthru(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return ms->igd_gfx_passthru; |
| } |
| |
| static void machine_set_igd_gfx_passthru(Object *obj, bool value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| ms->igd_gfx_passthru = value; |
| } |
| |
| static char *machine_get_firmware(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return g_strdup(ms->firmware); |
| } |
| |
| static void machine_set_firmware(Object *obj, const char *value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| g_free(ms->firmware); |
| ms->firmware = g_strdup(value); |
| } |
| |
| static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| ms->suppress_vmdesc = value; |
| } |
| |
| static bool machine_get_suppress_vmdesc(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return ms->suppress_vmdesc; |
| } |
| |
| static void machine_set_enforce_config_section(Object *obj, bool value, |
| Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| ms->enforce_config_section = value; |
| } |
| |
| static bool machine_get_enforce_config_section(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return ms->enforce_config_section; |
| } |
| |
| static char *machine_get_memory_encryption(Object *obj, Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| return g_strdup(ms->memory_encryption); |
| } |
| |
| static void machine_set_memory_encryption(Object *obj, const char *value, |
| Error **errp) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| g_free(ms->memory_encryption); |
| ms->memory_encryption = g_strdup(value); |
| } |
| |
| void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type) |
| { |
| strList *item = g_new0(strList, 1); |
| |
| item->value = g_strdup(type); |
| item->next = mc->allowed_dynamic_sysbus_devices; |
| mc->allowed_dynamic_sysbus_devices = item; |
| } |
| |
| static void validate_sysbus_device(SysBusDevice *sbdev, void *opaque) |
| { |
| MachineState *machine = opaque; |
| MachineClass *mc = MACHINE_GET_CLASS(machine); |
| bool allowed = false; |
| strList *wl; |
| |
| for (wl = mc->allowed_dynamic_sysbus_devices; |
| !allowed && wl; |
| wl = wl->next) { |
| allowed |= !!object_dynamic_cast(OBJECT(sbdev), wl->value); |
| } |
| |
| if (!allowed) { |
| error_report("Option '-device %s' cannot be handled by this machine", |
| object_class_get_name(object_get_class(OBJECT(sbdev)))); |
| exit(1); |
| } |
| } |
| |
| static void machine_init_notify(Notifier *notifier, void *data) |
| { |
| MachineState *machine = MACHINE(qdev_get_machine()); |
| |
| /* |
| * Loop through all dynamically created sysbus devices and check if they are |
| * all allowed. If a device is not allowed, error out. |
| */ |
| foreach_dynamic_sysbus_device(validate_sysbus_device, machine); |
| } |
| |
| HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine) |
| { |
| int i; |
| HotpluggableCPUList *head = NULL; |
| MachineClass *mc = MACHINE_GET_CLASS(machine); |
| |
| /* force board to initialize possible_cpus if it hasn't been done yet */ |
| mc->possible_cpu_arch_ids(machine); |
| |
| for (i = 0; i < machine->possible_cpus->len; i++) { |
| Object *cpu; |
| HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1); |
| HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1); |
| |
| cpu_item->type = g_strdup(machine->possible_cpus->cpus[i].type); |
| cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count; |
| cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props, |
| sizeof(*cpu_item->props)); |
| |
| cpu = machine->possible_cpus->cpus[i].cpu; |
| if (cpu) { |
| cpu_item->has_qom_path = true; |
| cpu_item->qom_path = object_get_canonical_path(cpu); |
| } |
| list_item->value = cpu_item; |
| list_item->next = head; |
| head = list_item; |
| } |
| return head; |
| } |
| |
| /** |
| * machine_set_cpu_numa_node: |
| * @machine: machine object to modify |
| * @props: specifies which cpu objects to assign to |
| * numa node specified by @props.node_id |
| * @errp: if an error occurs, a pointer to an area to store the error |
| * |
| * Associate NUMA node specified by @props.node_id with cpu slots that |
| * match socket/core/thread-ids specified by @props. It's recommended to use |
| * query-hotpluggable-cpus.props values to specify affected cpu slots, |
| * which would lead to exact 1:1 mapping of cpu slots to NUMA node. |
| * |
| * However for CLI convenience it's possible to pass in subset of properties, |
| * which would affect all cpu slots that match it. |
| * Ex for pc machine: |
| * -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \ |
| * -numa cpu,node-id=0,socket_id=0 \ |
| * -numa cpu,node-id=1,socket_id=1 |
| * will assign all child cores of socket 0 to node 0 and |
| * of socket 1 to node 1. |
| * |
| * On attempt of reassigning (already assigned) cpu slot to another NUMA node, |
| * return error. |
| * Empty subset is disallowed and function will return with error in this case. |
| */ |
| void machine_set_cpu_numa_node(MachineState *machine, |
| const CpuInstanceProperties *props, Error **errp) |
| { |
| MachineClass *mc = MACHINE_GET_CLASS(machine); |
| bool match = false; |
| int i; |
| |
| if (!mc->possible_cpu_arch_ids) { |
| error_setg(errp, "mapping of CPUs to NUMA node is not supported"); |
| return; |
| } |
| |
| /* disabling node mapping is not supported, forbid it */ |
| assert(props->has_node_id); |
| |
| /* force board to initialize possible_cpus if it hasn't been done yet */ |
| mc->possible_cpu_arch_ids(machine); |
| |
| for (i = 0; i < machine->possible_cpus->len; i++) { |
| CPUArchId *slot = &machine->possible_cpus->cpus[i]; |
| |
| /* reject unsupported by board properties */ |
| if (props->has_thread_id && !slot->props.has_thread_id) { |
| error_setg(errp, "thread-id is not supported"); |
| return; |
| } |
| |
| if (props->has_core_id && !slot->props.has_core_id) { |
| error_setg(errp, "core-id is not supported"); |
| return; |
| } |
| |
| if (props->has_socket_id && !slot->props.has_socket_id) { |
| error_setg(errp, "socket-id is not supported"); |
| return; |
| } |
| |
| /* skip slots with explicit mismatch */ |
| if (props->has_thread_id && props->thread_id != slot->props.thread_id) { |
| continue; |
| } |
| |
| if (props->has_core_id && props->core_id != slot->props.core_id) { |
| continue; |
| } |
| |
| if (props->has_socket_id && props->socket_id != slot->props.socket_id) { |
| continue; |
| } |
| |
| /* reject assignment if slot is already assigned, for compatibility |
| * of legacy cpu_index mapping with SPAPR core based mapping do not |
| * error out if cpu thread and matched core have the same node-id */ |
| if (slot->props.has_node_id && |
| slot->props.node_id != props->node_id) { |
| error_setg(errp, "CPU is already assigned to node-id: %" PRId64, |
| slot->props.node_id); |
| return; |
| } |
| |
| /* assign slot to node as it's matched '-numa cpu' key */ |
| match = true; |
| slot->props.node_id = props->node_id; |
| slot->props.has_node_id = props->has_node_id; |
| } |
| |
| if (!match) { |
| error_setg(errp, "no match found"); |
| } |
| } |
| |
| static void machine_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| /* Default 128 MB as guest ram size */ |
| mc->default_ram_size = 128 * MiB; |
| mc->rom_file_has_mr = true; |
| |
| /* numa node memory size aligned on 8MB by default. |
| * On Linux, each node's border has to be 8MB aligned |
| */ |
| mc->numa_mem_align_shift = 23; |
| mc->numa_auto_assign_ram = numa_default_auto_assign_ram; |
| |
| object_class_property_add_str(oc, "accel", |
| machine_get_accel, machine_set_accel, &error_abort); |
| object_class_property_set_description(oc, "accel", |
| "Accelerator list", &error_abort); |
| |
| object_class_property_add(oc, "kernel-irqchip", "on|off|split", |
| NULL, machine_set_kernel_irqchip, |
| NULL, NULL, &error_abort); |
| object_class_property_set_description(oc, "kernel-irqchip", |
| "Configure KVM in-kernel irqchip", &error_abort); |
| |
| object_class_property_add(oc, "kvm-shadow-mem", "int", |
| machine_get_kvm_shadow_mem, machine_set_kvm_shadow_mem, |
| NULL, NULL, &error_abort); |
| object_class_property_set_description(oc, "kvm-shadow-mem", |
| "KVM shadow MMU size", &error_abort); |
| |
| object_class_property_add_str(oc, "kernel", |
| machine_get_kernel, machine_set_kernel, &error_abort); |
| object_class_property_set_description(oc, "kernel", |
| "Linux kernel image file", &error_abort); |
| |
| object_class_property_add_str(oc, "initrd", |
| machine_get_initrd, machine_set_initrd, &error_abort); |
| object_class_property_set_description(oc, "initrd", |
| "Linux initial ramdisk file", &error_abort); |
| |
| object_class_property_add_str(oc, "append", |
| machine_get_append, machine_set_append, &error_abort); |
| object_class_property_set_description(oc, "append", |
| "Linux kernel command line", &error_abort); |
| |
| object_class_property_add_str(oc, "dtb", |
| machine_get_dtb, machine_set_dtb, &error_abort); |
| object_class_property_set_description(oc, "dtb", |
| "Linux kernel device tree file", &error_abort); |
| |
| object_class_property_add_str(oc, "dumpdtb", |
| machine_get_dumpdtb, machine_set_dumpdtb, &error_abort); |
| object_class_property_set_description(oc, "dumpdtb", |
| "Dump current dtb to a file and quit", &error_abort); |
| |
| object_class_property_add(oc, "phandle-start", "int", |
| machine_get_phandle_start, machine_set_phandle_start, |
| NULL, NULL, &error_abort); |
| object_class_property_set_description(oc, "phandle-start", |
| "The first phandle ID we may generate dynamically", &error_abort); |
| |
| object_class_property_add_str(oc, "dt-compatible", |
| machine_get_dt_compatible, machine_set_dt_compatible, &error_abort); |
| object_class_property_set_description(oc, "dt-compatible", |
| "Overrides the \"compatible\" property of the dt root node", |
| &error_abort); |
| |
| object_class_property_add_bool(oc, "dump-guest-core", |
| machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort); |
| object_class_property_set_description(oc, "dump-guest-core", |
| "Include guest memory in a core dump", &error_abort); |
| |
| object_class_property_add_bool(oc, "mem-merge", |
| machine_get_mem_merge, machine_set_mem_merge, &error_abort); |
| object_class_property_set_description(oc, "mem-merge", |
| "Enable/disable memory merge support", &error_abort); |
| |
| object_class_property_add_bool(oc, "usb", |
| machine_get_usb, machine_set_usb, &error_abort); |
| object_class_property_set_description(oc, "usb", |
| "Set on/off to enable/disable usb", &error_abort); |
| |
| object_class_property_add_bool(oc, "graphics", |
| machine_get_graphics, machine_set_graphics, &error_abort); |
| object_class_property_set_description(oc, "graphics", |
| "Set on/off to enable/disable graphics emulation", &error_abort); |
| |
| object_class_property_add_bool(oc, "igd-passthru", |
| machine_get_igd_gfx_passthru, machine_set_igd_gfx_passthru, |
| &error_abort); |
| object_class_property_set_description(oc, "igd-passthru", |
| "Set on/off to enable/disable igd passthrou", &error_abort); |
| |
| object_class_property_add_str(oc, "firmware", |
| machine_get_firmware, machine_set_firmware, |
| &error_abort); |
| object_class_property_set_description(oc, "firmware", |
| "Firmware image", &error_abort); |
| |
| object_class_property_add_bool(oc, "suppress-vmdesc", |
| machine_get_suppress_vmdesc, machine_set_suppress_vmdesc, |
| &error_abort); |
| object_class_property_set_description(oc, "suppress-vmdesc", |
| "Set on to disable self-describing migration", &error_abort); |
| |
| object_class_property_add_bool(oc, "enforce-config-section", |
| machine_get_enforce_config_section, machine_set_enforce_config_section, |
| &error_abort); |
| object_class_property_set_description(oc, "enforce-config-section", |
| "Set on to enforce configuration section migration", &error_abort); |
| |
| object_class_property_add_str(oc, "memory-encryption", |
| machine_get_memory_encryption, machine_set_memory_encryption, |
| &error_abort); |
| object_class_property_set_description(oc, "memory-encryption", |
| "Set memory encyption object to use", &error_abort); |
| } |
| |
| static void machine_class_base_init(ObjectClass *oc, void *data) |
| { |
| if (!object_class_is_abstract(oc)) { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| const char *cname = object_class_get_name(oc); |
| assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX)); |
| mc->name = g_strndup(cname, |
| strlen(cname) - strlen(TYPE_MACHINE_SUFFIX)); |
| } |
| } |
| |
| static void machine_initfn(Object *obj) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| ms->kernel_irqchip_allowed = true; |
| ms->kvm_shadow_mem = -1; |
| ms->dump_guest_core = true; |
| ms->mem_merge = true; |
| ms->enable_graphics = true; |
| |
| /* Register notifier when init is done for sysbus sanity checks */ |
| ms->sysbus_notifier.notify = machine_init_notify; |
| qemu_add_machine_init_done_notifier(&ms->sysbus_notifier); |
| } |
| |
| static void machine_finalize(Object *obj) |
| { |
| MachineState *ms = MACHINE(obj); |
| |
| g_free(ms->accel); |
| g_free(ms->kernel_filename); |
| g_free(ms->initrd_filename); |
| g_free(ms->kernel_cmdline); |
| g_free(ms->dtb); |
| g_free(ms->dumpdtb); |
| g_free(ms->dt_compatible); |
| g_free(ms->firmware); |
| } |
| |
| bool machine_usb(MachineState *machine) |
| { |
| return machine->usb; |
| } |
| |
| bool machine_kernel_irqchip_allowed(MachineState *machine) |
| { |
| return machine->kernel_irqchip_allowed; |
| } |
| |
| bool machine_kernel_irqchip_required(MachineState *machine) |
| { |
| return machine->kernel_irqchip_required; |
| } |
| |
| bool machine_kernel_irqchip_split(MachineState *machine) |
| { |
| return machine->kernel_irqchip_split; |
| } |
| |
| int machine_kvm_shadow_mem(MachineState *machine) |
| { |
| return machine->kvm_shadow_mem; |
| } |
| |
| int machine_phandle_start(MachineState *machine) |
| { |
| return machine->phandle_start; |
| } |
| |
| bool machine_dump_guest_core(MachineState *machine) |
| { |
| return machine->dump_guest_core; |
| } |
| |
| bool machine_mem_merge(MachineState *machine) |
| { |
| return machine->mem_merge; |
| } |
| |
| static char *cpu_slot_to_string(const CPUArchId *cpu) |
| { |
| GString *s = g_string_new(NULL); |
| if (cpu->props.has_socket_id) { |
| g_string_append_printf(s, "socket-id: %"PRId64, cpu->props.socket_id); |
| } |
| if (cpu->props.has_core_id) { |
| if (s->len) { |
| g_string_append_printf(s, ", "); |
| } |
| g_string_append_printf(s, "core-id: %"PRId64, cpu->props.core_id); |
| } |
| if (cpu->props.has_thread_id) { |
| if (s->len) { |
| g_string_append_printf(s, ", "); |
| } |
| g_string_append_printf(s, "thread-id: %"PRId64, cpu->props.thread_id); |
| } |
| return g_string_free(s, false); |
| } |
| |
| static void machine_numa_finish_cpu_init(MachineState *machine) |
| { |
| int i; |
| bool default_mapping; |
| GString *s = g_string_new(NULL); |
| MachineClass *mc = MACHINE_GET_CLASS(machine); |
| const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine); |
| |
| assert(nb_numa_nodes); |
| for (i = 0; i < possible_cpus->len; i++) { |
| if (possible_cpus->cpus[i].props.has_node_id) { |
| break; |
| } |
| } |
| default_mapping = (i == possible_cpus->len); |
| |
| for (i = 0; i < possible_cpus->len; i++) { |
| const CPUArchId *cpu_slot = &possible_cpus->cpus[i]; |
| |
| if (!cpu_slot->props.has_node_id) { |
| /* fetch default mapping from board and enable it */ |
| CpuInstanceProperties props = cpu_slot->props; |
| |
| props.node_id = mc->get_default_cpu_node_id(machine, i); |
| if (!default_mapping) { |
| /* record slots with not set mapping, |
| * TODO: make it hard error in future */ |
| char *cpu_str = cpu_slot_to_string(cpu_slot); |
| g_string_append_printf(s, "%sCPU %d [%s]", |
| s->len ? ", " : "", i, cpu_str); |
| g_free(cpu_str); |
| |
| /* non mapped cpus used to fallback to node 0 */ |
| props.node_id = 0; |
| } |
| |
| props.has_node_id = true; |
| machine_set_cpu_numa_node(machine, &props, &error_fatal); |
| } |
| } |
| if (s->len && !qtest_enabled()) { |
| warn_report("CPU(s) not present in any NUMA nodes: %s", |
| s->str); |
| warn_report("All CPU(s) up to maxcpus should be described " |
| "in NUMA config, ability to start up with partial NUMA " |
| "mappings is obsoleted and will be removed in future"); |
| } |
| g_string_free(s, true); |
| } |
| |
| void machine_run_board_init(MachineState *machine) |
| { |
| MachineClass *machine_class = MACHINE_GET_CLASS(machine); |
| |
| if (nb_numa_nodes) { |
| numa_complete_configuration(machine); |
| machine_numa_finish_cpu_init(machine); |
| } |
| |
| /* If the machine supports the valid_cpu_types check and the user |
| * specified a CPU with -cpu check here that the user CPU is supported. |
| */ |
| if (machine_class->valid_cpu_types && machine->cpu_type) { |
| ObjectClass *class = object_class_by_name(machine->cpu_type); |
| int i; |
| |
| for (i = 0; machine_class->valid_cpu_types[i]; i++) { |
| if (object_class_dynamic_cast(class, |
| machine_class->valid_cpu_types[i])) { |
| /* The user specificed CPU is in the valid field, we are |
| * good to go. |
| */ |
| break; |
| } |
| } |
| |
| if (!machine_class->valid_cpu_types[i]) { |
| /* The user specified CPU is not valid */ |
| error_report("Invalid CPU type: %s", machine->cpu_type); |
| error_printf("The valid types are: %s", |
| machine_class->valid_cpu_types[0]); |
| for (i = 1; machine_class->valid_cpu_types[i]; i++) { |
| error_printf(", %s", machine_class->valid_cpu_types[i]); |
| } |
| error_printf("\n"); |
| |
| exit(1); |
| } |
| } |
| |
| machine_class->init(machine); |
| } |
| |
| static void machine_class_finalize(ObjectClass *klass, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(klass); |
| |
| if (mc->compat_props) { |
| g_array_free(mc->compat_props, true); |
| } |
| g_free(mc->name); |
| } |
| |
| void machine_register_compat_props(MachineState *machine) |
| { |
| MachineClass *mc = MACHINE_GET_CLASS(machine); |
| int i; |
| GlobalProperty *p; |
| |
| if (!mc->compat_props) { |
| return; |
| } |
| |
| for (i = 0; i < mc->compat_props->len; i++) { |
| p = g_array_index(mc->compat_props, GlobalProperty *, i); |
| /* Machine compat_props must never cause errors: */ |
| p->errp = &error_abort; |
| qdev_prop_register_global(p); |
| } |
| } |
| |
| static const TypeInfo machine_info = { |
| .name = TYPE_MACHINE, |
| .parent = TYPE_OBJECT, |
| .abstract = true, |
| .class_size = sizeof(MachineClass), |
| .class_init = machine_class_init, |
| .class_base_init = machine_class_base_init, |
| .class_finalize = machine_class_finalize, |
| .instance_size = sizeof(MachineState), |
| .instance_init = machine_initfn, |
| .instance_finalize = machine_finalize, |
| }; |
| |
| static void machine_register_types(void) |
| { |
| type_register_static(&machine_info); |
| } |
| |
| type_init(machine_register_types) |
