hw/core/hotplug.c

   1 /*
   2  * Hotplug handler interface.
   3  *
   4  * Copyright (c) 2014 Red Hat Inc.
   5  *
   6  * Authors:
   7  *  Igor Mammedov <imammedo@redhat.com>,
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12 #include "hw/hotplug.h"
  13 #include "qemu/module.h"
  14
  15 void hotplug_handler_plug(HotplugHandler *plug_handler,
  16                           DeviceState *plugged_dev,
  17                           Error **errp)
  18 {
  19     HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
  20
  21     if (hdc->plug) {
  22         hdc->plug(plug_handler, plugged_dev, errp);
  23     }
  24 }
  25
  26 void hotplug_handler_unplug_request(HotplugHandler *plug_handler,
  27                                     DeviceState *plugged_dev,
  28                                     Error **errp)
  29 {
  30     HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
  31
  32     if (hdc->unplug_request) {
  33         hdc->unplug_request(plug_handler, plugged_dev, errp);
  34     }
  35 }
  36
  37 void hotplug_handler_unplug(HotplugHandler *plug_handler,
  38                             DeviceState *plugged_dev,
  39                             Error **errp)
  40 {
  41     HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
  42
  43     if (hdc->unplug) {
  44         hdc->unplug(plug_handler, plugged_dev, errp);
  45     }
  46 }
  47
  48 static const TypeInfo hotplug_handler_info = {
  49     .name          = TYPE_HOTPLUG_HANDLER,
  50     .parent        = TYPE_INTERFACE,
  51     .class_size = sizeof(HotplugHandlerClass),
  52 };
  53
  54 static void hotplug_handler_register_types(void)
  55 {
  56     type_register_static(&hotplug_handler_info);
  57 }
  58
  59 type_init(hotplug_handler_register_types)