[Qemu-devel] [PATCH 06/11] target-i386: add socket/core/thread properties to X86CPU

[Igor Mammedov <imammedo@redhat.com>]

these properties will be used by as address where to plug
CPU with help -device/device_add commands.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
 hw/i386/pc.c      | 12 ++++++++++++
 target-i386/cpu.c |  3 +++
 target-i386/cpu.h |  4 ++++
 3 files changed, 19 insertions(+)

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 6ba6343..87352ae 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1775,6 +1775,18 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
                    cpu->apic_id);
         return;
     }
+
+    /* set 'address' properties socket/core/thread for initial and cpu-add
+     * added CPUs so that query_hotpluggable_cpus would show correct values
+     */
+    if (cpu->thread == -1 || cpu->core == -1 || cpu->socket == -1) {
+        X86CPUTopoInfo topo;
+
+        x86_topo_ids_from_apicid(cpu->apic_id, smp_cores, smp_threads, &topo);
+        cpu->thread = topo.smt_id;
+        cpu->core = topo.core_id;
+        cpu->socket = topo.pkg_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 9294b3d..8c651f2 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -3186,6 +3186,9 @@ static Property x86_cpu_properties[] = {
     DEFINE_PROP_UINT32("xlevel2", X86CPU, env.cpuid_xlevel2, 0),
     DEFINE_PROP_STRING("hv-vendor-id", X86CPU, hyperv_vendor_id),
     DEFINE_PROP_BOOL("cpuid-0xb", X86CPU, enable_cpuid_0xb, true),
+    DEFINE_PROP_INT32("thread", X86CPU, thread, -1),
+    DEFINE_PROP_INT32("core", X86CPU, core, -1),
+    DEFINE_PROP_INT32("socket", X86CPU, socket, -1),
     DEFINE_PROP_END_OF_LIST()
 };
 
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 8b09cfa..a04d334 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -1190,6 +1190,10 @@ struct X86CPU {
     Notifier machine_done;
 
     struct kvm_msrs *kvm_msr_buf;
+
+    int32_t socket;
+    int32_t core;
+    int32_t thread;
 };
 
 static inline X86CPU *x86_env_get_cpu(CPUX86State *env)
-- 
1.8.3.1