blob: d495d0e9c70a9e080cd3f307f577b852135cf411 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* QDev Hotplug handlers
*
* Copyright (c) Red Hat
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* 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/qdev-core.h"
#include "hw/boards.h"
HotplugHandler *qdev_get_machine_hotplug_handler(DeviceState *dev)
{
MachineState *machine;
MachineClass *mc;
Object *m_obj = qdev_get_machine();
if (object_dynamic_cast(m_obj, TYPE_MACHINE)) {
machine = MACHINE(m_obj);
mc = MACHINE_GET_CLASS(machine);
if (mc->get_hotplug_handler) {
return mc->get_hotplug_handler(machine, dev);
}
}
return NULL;
}
bool qdev_hotplug_allowed(DeviceState *dev, Error **errp)
{
MachineState *machine;
MachineClass *mc;
Object *m_obj = qdev_get_machine();
if (object_dynamic_cast(m_obj, TYPE_MACHINE)) {
machine = MACHINE(m_obj);
mc = MACHINE_GET_CLASS(machine);
if (mc->hotplug_allowed) {
return mc->hotplug_allowed(machine, dev, errp);
}
}
return true;
}
HotplugHandler *qdev_get_bus_hotplug_handler(DeviceState *dev)
{
if (dev->parent_bus) {
return dev->parent_bus->hotplug_handler;
}
return NULL;
}
HotplugHandler *qdev_get_hotplug_handler(DeviceState *dev)
{
HotplugHandler *hotplug_ctrl = qdev_get_machine_hotplug_handler(dev);
if (hotplug_ctrl == NULL && dev->parent_bus) {
hotplug_ctrl = qdev_get_bus_hotplug_handler(dev);
}
return hotplug_ctrl;
}
/* can be used as ->unplug() callback for the simple cases */
void qdev_simple_device_unplug_cb(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
qdev_unrealize(dev);
}
|
