LXR qemu/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 "qemu/osdep.h"
  13#include "hw/hotplug.h"
  14#include "qemu/module.h"
  15
  16void hotplug_handler_pre_plug(HotplugHandler *plug_handler,
  17                              DeviceState *plugged_dev,
  18                              Error **errp)
  19{
  20    HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
  21
  22    if (hdc->pre_plug) {
  23        hdc->pre_plug(plug_handler, plugged_dev, errp);
  24    }
  25}
  26
  27void hotplug_handler_plug(HotplugHandler *plug_handler,
  28                          DeviceState *plugged_dev,
  29                          Error **errp)
  30{
  31    HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
  32
  33    if (hdc->plug) {
  34        hdc->plug(plug_handler, plugged_dev, errp);
  35    }
  36}
  37
  38void hotplug_handler_post_plug(HotplugHandler *plug_handler,
  39                               DeviceState *plugged_dev)
  40{
  41    HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
  42
  43    if (hdc->post_plug) {
  44        hdc->post_plug(plug_handler, plugged_dev);
  45    }
  46}
  47
  48void hotplug_handler_unplug_request(HotplugHandler *plug_handler,
  49                                    DeviceState *plugged_dev,
  50                                    Error **errp)
  51{
  52    HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
  53
  54    if (hdc->unplug_request) {
  55        hdc->unplug_request(plug_handler, plugged_dev, errp);
  56    }
  57}
  58
  59void hotplug_handler_unplug(HotplugHandler *plug_handler,
  60                            DeviceState *plugged_dev,
  61                            Error **errp)
  62{
  63    HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
  64
  65    if (hdc->unplug) {
  66        hdc->unplug(plug_handler, plugged_dev, errp);
  67    }
  68}
  69
  70static const TypeInfo hotplug_handler_info = {
  71    .name          = TYPE_HOTPLUG_HANDLER,
  72    .parent        = TYPE_INTERFACE,
  73    .class_size = sizeof(HotplugHandlerClass),
  74};
  75
  76static void hotplug_handler_register_types(void)
  77{
  78    type_register_static(&hotplug_handler_info);
  79}
  80
  81type_init(hotplug_handler_register_types)
  82