diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 81206f4855..394abfef37 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1844,6 +1844,7 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { int idx; + X86CPUTopoInfo topo; X86CPU *cpu = X86_CPU(dev); PCMachineState *pcms = PC_MACHINE(hotplug_dev); CPUArchId *cpu_slot = pc_find_cpu_slot(pcms, CPU(dev), &idx); @@ -1860,6 +1861,34 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev, idx, cpu->apic_id); return; } + + /* if 'address' properties socket-id/core-id/thread-id are not set, set them + * so that query_hotpluggable_cpus would show correct values + */ + /* TODO: move socket_id/core_id/thread_id checks into x86_cpu_realizefn() + * once -smp refactoring is complete and there will be CPU private + * CPUState::nr_cores and CPUState::nr_threads fields instead of globals */ + x86_topo_ids_from_apicid(cpu->apic_id, smp_cores, smp_threads, &topo); + if (cpu->socket_id != -1 && cpu->socket_id != topo.pkg_id) { + error_setg(errp, "property socket-id: %u doesn't match set apic-id:" + " 0x%x (socket-id: %u)", cpu->socket_id, cpu->apic_id, topo.pkg_id); + return; + } + cpu->socket_id = topo.pkg_id; + + if (cpu->core_id != -1 && cpu->core_id != topo.core_id) { + error_setg(errp, "property core-id: %u doesn't match set apic-id:" + " 0x%x (core-id: %u)", cpu->core_id, cpu->apic_id, topo.core_id); + return; + } + cpu->core_id = topo.core_id; + + if (cpu->thread_id != -1 && cpu->thread_id != topo.smt_id) { + error_setg(errp, "property thread-id: %u doesn't match set apic-id:" + " 0x%x (thread-id: %u)", cpu->thread_id, cpu->apic_id, topo.smt_id); + return; + } + cpu->thread_id = topo.smt_id; } static void pc_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev, diff --git a/target-i386/cpu.c b/target-i386/cpu.c index af2d694e51..de0295a51f 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -3315,8 +3315,14 @@ static Property x86_cpu_properties[] = { #ifdef CONFIG_USER_ONLY /* apic_id = 0 by default for *-user, see commit 9886e834 */ DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, 0), + DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, 0), + DEFINE_PROP_INT32("core-id", X86CPU, core_id, 0), + DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, 0), #else DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, UNASSIGNED_APIC_ID), + DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, -1), + DEFINE_PROP_INT32("core-id", X86CPU, core_id, -1), + DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, -1), #endif DEFINE_PROP_BOOL("pmu", X86CPU, enable_pmu, false), { .name = "hv-spinlocks", .info = &qdev_prop_spinlocks }, diff --git a/target-i386/cpu.h b/target-i386/cpu.h index 0ff88e155a..c883cd5631 100644 --- a/target-i386/cpu.h +++ b/target-i386/cpu.h @@ -1219,6 +1219,10 @@ struct X86CPU { Notifier machine_done; struct kvm_msrs *kvm_msr_buf; + + int32_t socket_id; + int32_t core_id; + int32_t thread_id; }; static inline X86CPU *x86_env_get_cpu(CPUX86State *env)