qapi: Convert query-uuid

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

hmp.c

@@ -72,3 +72,11 @@ void hmp_info_status(Monitor *mon)
     qapi_free_StatusInfo(info);
 }
 
+void hmp_info_uuid(Monitor *mon)
+{
+    UuidInfo *info;
+
+    info = qmp_query_uuid(NULL);
+    monitor_printf(mon, "%s\n", info->UUID);
+    qapi_free_UuidInfo(info);
+}

hmp.h

@@ -21,5 +21,6 @@ void hmp_info_name(Monitor *mon);
 void hmp_info_version(Monitor *mon);
 void hmp_info_kvm(Monitor *mon);
 void hmp_info_status(Monitor *mon);
+void hmp_info_uuid(Monitor *mon);
 
 #endif

monitor.c

@@ -766,23 +766,6 @@ static void do_info_commands(Monitor *mon, QObject **ret_data)
     *ret_data = QOBJECT(cmd_list);
 }
 
-static void do_info_uuid_print(Monitor *mon, const QObject *data)
-{
-    monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
-}
-
-static void do_info_uuid(Monitor *mon, QObject **ret_data)
-{
-    char uuid[64];
-
-    snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
-                   qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
-                   qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
-                   qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
-                   qemu_uuid[14], qemu_uuid[15]);
-    *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
-}
-
 /* get the current CPU defined by the user */
 static int mon_set_cpu(int cpu_index)
 {
@@ -2996,8 +2979,7 @@ static const mon_cmd_t info_cmds[] = {
         .args_type  = "",
         .params     = "",
         .help       = "show the current VM UUID",
-        .user_print = do_info_uuid_print,
+        .mhandler.info = hmp_info_uuid,
-        .mhandler.info_new = do_info_uuid,
     },
 #if defined(TARGET_PPC)
     {
@@ -3156,14 +3138,6 @@ static const mon_cmd_t qmp_query_cmds[] = {
         .mhandler.info_new = do_info_spice,
     },
 #endif
-    {
-        .name       = "uuid",
-        .args_type  = "",
-        .params     = "",
-        .help       = "show the current VM UUID",
-        .user_print = do_info_uuid_print,
-        .mhandler.info_new = do_info_uuid,
-    },
     {
         .name       = "migrate",
         .args_type  = "",

qapi-schema.json

@@ -152,3 +152,27 @@
 ##
 { 'command': 'query-status', 'returns': 'StatusInfo' }
 
+##
+# @UuidInfo:
+#
+# Guest UUID information.
+#
+# @UUID: the UUID of the guest
+#
+# Since: 0.14.0
+#
+# Notes: If no UUID was specified for the guest, a null UUID is returned.
+##
+{ 'type': 'UuidInfo', 'data': {'UUID': 'str'} }
+
+##
+# @query-uuid:
+#
+# Query the guest UUID information.
+#
+# Returns: The @UuidInfo for the guest
+#
+# Since 0.14.0
+##
+{ 'command': 'query-uuid', 'returns': 'UuidInfo' }
+

qmp-commands.hx

@@ -1821,6 +1821,12 @@ Example:
 
 EQMP
 
+    {
+        .name       = "query-uuid",
+        .args_type  = "",
+        .mhandler.cmd_new = qmp_marshal_input_query_uuid,
+    },
+
 SQMP
 query-migrate
 -------------

qmp.c

@@ -55,3 +55,18 @@ KvmInfo *qmp_query_kvm(Error **errp)
     return info;
 }
 
+UuidInfo *qmp_query_uuid(Error **errp)
+{
+    UuidInfo *info = g_malloc0(sizeof(*info));
+    char uuid[64];
+
+    snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
+                   qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
+                   qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
+                   qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
+                   qemu_uuid[14], qemu_uuid[15]);
+
+    info->UUID = g_strdup(uuid);
+    return info;
+}
+