qapi: convert netdev_del

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-By: Laszlo Ersek <lersek@redhat.com>

hmp-commands.hx

@@ -1051,8 +1051,7 @@ ETEXI
         .args_type  = "id:s",
         .params     = "id",
         .help       = "remove host network device",
-        .user_print = monitor_user_noop,
-        .mhandler.cmd_new = do_netdev_del,
+        .mhandler.cmd = hmp_netdev_del,
     },
 
 STEXI

hmp.c

@@ -990,3 +990,12 @@ void hmp_netdev_add(Monitor *mon, const QDict *qdict)
 out:
     hmp_handle_error(mon, &err);
 }
+
+void hmp_netdev_del(Monitor *mon, const QDict *qdict)
+{
+    const char *id = qdict_get_str(qdict, "id");
+    Error *err = NULL;
+
+    qmp_netdev_del(id, &err);
+    hmp_handle_error(mon, &err);
+}

hmp.h

@@ -63,5 +63,6 @@ void hmp_migrate(Monitor *mon, const QDict *qdict);
 void hmp_device_del(Monitor *mon, const QDict *qdict);
 void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict);
 void hmp_netdev_add(Monitor *mon, const QDict *qdict);
+void hmp_netdev_del(Monitor *mon, const QDict *qdict);
 
 #endif

net.c

@@ -1269,19 +1269,18 @@ exit_err:
     return -1;
 }
 
-int do_netdev_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
+void qmp_netdev_del(const char *id, Error **errp)
 {
-    const char *id = qdict_get_str(qdict, "id");
     VLANClientState *vc;
 
     vc = qemu_find_netdev(id);
     if (!vc) {
-        qerror_report(QERR_DEVICE_NOT_FOUND, id);
-        return -1;
+        error_set(errp, QERR_DEVICE_NOT_FOUND, id);
+        return;
     }
+
     qemu_del_vlan_client(vc);
-    qemu_opts_del(qemu_opts_find(qemu_find_opts("netdev"), id));
-    return 0;
+    qemu_opts_del(qemu_opts_find(qemu_find_opts_err("netdev", errp), id));
 }
 
 static void print_net_client(Monitor *mon, VLANClientState *vc)

net.h

@@ -172,7 +172,6 @@ void net_host_device_add(Monitor *mon, const QDict *qdict);
 void net_host_device_remove(Monitor *mon, const QDict *qdict);
 void netdev_add(QemuOpts *opts, Error **errp);
 int qmp_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret);
-int do_netdev_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
 
 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"

qapi-schema.json

@@ -1826,3 +1826,17 @@
 { 'command': 'netdev_add',
   'data': {'type': 'str', 'id': 'str', '*props': '**'},
   'gen': 'no' }
+
+##
+# @netdev_del:
+#
+# Remove a network backend.
+#
+# @id: the name of the network backend to remove
+#
+# Returns: Nothing on success
+#          If @id is not a valid network backend, DeviceNotFound
+#
+# Since: 0.14.0
+##
+{ 'command': 'netdev_del', 'data': {'id': 'str'} }

qmp-commands.hx

@@ -671,10 +671,7 @@ EQMP
     {
         .name       = "netdev_del",
         .args_type  = "id:s",
-        .params     = "id",
-        .help       = "remove host network device",
-        .user_print = monitor_user_noop,
-        .mhandler.cmd_new = do_netdev_del,
+        .mhandler.cmd_new = qmp_marshal_input_netdev_del,
     },
 
 SQMP