qemu

FORK: QEMU emulator
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hotplug.c (1960B)

      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 
     16 void 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 
     27 void 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 
     38 void hotplug_handler_unplug_request(HotplugHandler *plug_handler,
     39                                     DeviceState *plugged_dev,
     40                                     Error **errp)
     41 {
     42     HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
     43 
     44     if (hdc->unplug_request) {
     45         hdc->unplug_request(plug_handler, plugged_dev, errp);
     46     }
     47 }
     48 
     49 void hotplug_handler_unplug(HotplugHandler *plug_handler,
     50                             DeviceState *plugged_dev,
     51                             Error **errp)
     52 {
     53     HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
     54 
     55     if (hdc->unplug) {
     56         hdc->unplug(plug_handler, plugged_dev, errp);
     57     }
     58 }
     59 
     60 static const TypeInfo hotplug_handler_info = {
     61     .name          = TYPE_HOTPLUG_HANDLER,
     62     .parent        = TYPE_INTERFACE,
     63     .class_size = sizeof(HotplugHandlerClass),
     64 };
     65 
     66 static void hotplug_handler_register_types(void)
     67 {
     68     type_register_static(&hotplug_handler_info);
     69 }
     70 
     71 type_init(hotplug_handler_register_types)