haraldwolff/qemu-patch-raspberry4
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target-i386: Add socket/core/thread properties to X86CPU

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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>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Igor Mammedov 2016-07-06 08:20:42 +02:00 committed by Eduardo Habkost
parent 2da00e3176
commit d89c2b8b98
3 changed files with 39 additions and 0 deletions
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29
hw/i386/pc.c
View file

@ -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,

6
target-i386/cpu.c
View file

@ -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 },

4
target-i386/cpu.h
View file

@ -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)