From a24706b4060b771cfa99a79df5f7b0621766f64f Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Mon, 1 Aug 2016 08:11:59 +0200 Subject: [PATCH 59/99] target-i386: Add socket/core/thread properties to X86CPU RH-Author: Igor Mammedov Message-id: <1470039143-24450-55-git-send-email-imammedo@redhat.com> Patchwork-id: 71670 O-Subject: [RHEV-7.3 qemu-kvm-rhev PATCH 54/78] target-i386: Add socket/core/thread properties to X86CPU Bugzilla: 1087672 RH-Acked-by: Marcel Apfelbaum RH-Acked-by: David Gibson RH-Acked-by: Eduardo Habkost These properties will be used by as address where to plug CPU with help -device/device_add commands. Signed-off-by: Igor Mammedov Reviewed-by: Eduardo Habkost Signed-off-by: Eduardo Habkost (cherry picked from commit d89c2b8b98e097b9cad5104b0f178bde1cfa011b) Signed-off-by: Miroslav Rezanina Conflicts: target-i386/cpu.h - due to missing not releated d71b62a1 target-i386: kvm: Allocate kvm_msrs struct once per VCPU --- hw/i386/pc.c | 29 +++++++++++++++++++++++++++++ target-i386/cpu.c | 6 ++++++ target-i386/cpu.h | 4 ++++ 3 files changed, 39 insertions(+) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index f431746..175447c 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1772,6 +1772,7 @@ 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); @@ -1788,6 +1789,34 @@ 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 c1cbed2..d419d60 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -3265,8 +3265,14 @@ 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 2e08516..efbc296 100644 --- a/target-i386/cpu.h +++ b/target-i386/cpu.h @@ -1094,6 +1094,10 @@ struct X86CPU { struct DeviceState *apic_state; struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram; Notifier machine_done; + + int32_t socket_id; + int32_t core_id; + int32_t thread_id; }; static inline X86CPU *x86_env_get_cpu(CPUX86State *env) -- 1.8.3.1