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-rw-r--r--hw/core/machine.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/hw/core/machine.c b/hw/core/machine.c
index b0fd91f6cd..0699750336 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -357,6 +357,37 @@ static void machine_init_notify(Notifier *notifier, void *data)
     foreach_dynamic_sysbus_device(error_on_sysbus_device, NULL);
 }
 
+HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine)
+{
+    int i;
+    Object *cpu;
+    HotpluggableCPUList *head = NULL;
+    const char *cpu_type;
+
+    cpu = machine->possible_cpus->cpus[0].cpu;
+    assert(cpu); /* Boot cpu is always present */
+    cpu_type = object_get_typename(cpu);
+    for (i = 0; i < machine->possible_cpus->len; i++) {
+        HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1);
+        HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1);
+
+        cpu_item->type = g_strdup(cpu_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;
+}
+
 static void machine_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);