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define hotplug interface

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Provide a generic hotplug interface for hotplug handlers.
Intended for replacing hotplug mechanism used by
PCI/PCIE/SHPC code and will be used for memory hotplug.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2014-02-05 16:36:44 +01:00 • committed by Michael S. Tsirkin
parent a1483f88b6
commit 9f117d4184
3 changed files with 127 additions and 0 deletions
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48
hw/core/hotplug.c Normal file
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/*
* 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 "hw/hotplug.h"
#include "qemu/module.h"
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(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)