diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 880cfea3f8..6d5d0d6e10 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -28,6 +28,7 @@
 #include "qemu-config.h"
 
 #include "qapi/qapi-visit-core.h"
+#include "qmp-commands.h"
 
 #include "hyperv.h"
 
@@ -1125,6 +1126,27 @@ void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf, const char *optarg)
     }
 }
 
+CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
+{
+    CpuDefinitionInfoList *cpu_list = NULL;
+    x86_def_t *def;
+
+    for (def = x86_defs; def; def = def->next) {
+        CpuDefinitionInfoList *entry;
+        CpuDefinitionInfo *info;
+
+        info = g_malloc0(sizeof(*info));
+        info->name = g_strdup(def->name);
+
+        entry = g_malloc0(sizeof(*entry));
+        entry->value = info;
+        entry->next = cpu_list;
+        cpu_list = entry;
+    }
+
+    return cpu_list;
+}
+
 int cpu_x86_register(X86CPU *cpu, const char *cpu_model)
 {
     CPUX86State *env = &cpu->env;