|  | /* | 
|  | * Hotplug handler interface. | 
|  | * | 
|  | * Copyright (c) 2014 Red Hat Inc. | 
|  | * | 
|  | * Authors: | 
|  | *  Igor Mammedov <imammedo@redhat.com>, | 
|  | * | 
|  | * This work is licensed under the terms of the GNU GPL, version 2 or later. | 
|  | * See the COPYING file in the top-level directory. | 
|  | */ | 
|  | #include "qemu/osdep.h" | 
|  | #include "hw/hotplug.h" | 
|  | #include "qemu/module.h" | 
|  |  | 
|  | void hotplug_handler_pre_plug(HotplugHandler *plug_handler, | 
|  | DeviceState *plugged_dev, | 
|  | Error **errp) | 
|  | { | 
|  | HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler); | 
|  |  | 
|  | if (hdc->pre_plug) { | 
|  | hdc->pre_plug(plug_handler, plugged_dev, errp); | 
|  | } | 
|  | } | 
|  |  | 
|  | void hotplug_handler_plug(HotplugHandler *plug_handler, | 
|  | DeviceState *plugged_dev, | 
|  | Error **errp) | 
|  | { | 
|  | HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler); | 
|  |  | 
|  | if (hdc->plug) { | 
|  | hdc->plug(plug_handler, plugged_dev, errp); | 
|  | } | 
|  | } | 
|  |  | 
|  | void hotplug_handler_unplug_request(HotplugHandler *plug_handler, | 
|  | DeviceState *plugged_dev, | 
|  | Error **errp) | 
|  | { | 
|  | HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler); | 
|  |  | 
|  | if (hdc->unplug_request) { | 
|  | hdc->unplug_request(plug_handler, plugged_dev, errp); | 
|  | } | 
|  | } | 
|  |  | 
|  | void hotplug_handler_unplug(HotplugHandler *plug_handler, | 
|  | DeviceState *plugged_dev, | 
|  | Error **errp) | 
|  | { | 
|  | HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler); | 
|  |  | 
|  | if (hdc->unplug) { | 
|  | hdc->unplug(plug_handler, plugged_dev, errp); | 
|  | } | 
|  | } | 
|  |  | 
|  | static const TypeInfo hotplug_handler_info = { | 
|  | .name          = TYPE_HOTPLUG_HANDLER, | 
|  | .parent        = TYPE_INTERFACE, | 
|  | .class_size = sizeof(HotplugHandlerClass), | 
|  | }; | 
|  |  | 
|  | static void hotplug_handler_register_types(void) | 
|  | { | 
|  | type_register_static(&hotplug_handler_info); | 
|  | } | 
|  |  | 
|  | type_init(hotplug_handler_register_types) |