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1/*
2 * kobject_uevent.h - list of kobject user events that can be generated
3 *
4 * Copyright (C) 2004 IBM Corp.
5 * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
6 *
7 * This file is released under the GPLv2.
8 *
9 */
10
11#ifndef _KOBJECT_EVENT_H_
12#define _KOBJECT_EVENT_H_
13
14#define HOTPLUG_PATH_LEN 256
15
16/* path to the hotplug userspace helper executed on an event */
17extern char hotplug_path[];
18
19/*
20 * If you add an action here, you must also add the proper string to the
21 * lib/kobject_uevent.c file.
22 */
23typedef int __bitwise kobject_action_t;
24enum kobject_action {
25 KOBJ_ADD = (__force kobject_action_t) 0x01, /* add event, for hotplug */
26 KOBJ_REMOVE = (__force kobject_action_t) 0x02, /* remove event, for hotplug */
27 KOBJ_CHANGE = (__force kobject_action_t) 0x03, /* a sysfs attribute file has changed */
28 KOBJ_MOUNT = (__force kobject_action_t) 0x04, /* mount event for block devices */
29 KOBJ_UMOUNT = (__force kobject_action_t) 0x05, /* umount event for block devices */
30 KOBJ_OFFLINE = (__force kobject_action_t) 0x06, /* offline event for hotplug devices */
31 KOBJ_ONLINE = (__force kobject_action_t) 0x07, /* online event for hotplug devices */
32};
33
34
35#ifdef CONFIG_KOBJECT_UEVENT
36int kobject_uevent(struct kobject *kobj,
37 enum kobject_action action,
38 struct attribute *attr);
39int kobject_uevent_atomic(struct kobject *kobj,
40 enum kobject_action action,
41 struct attribute *attr);
42#else
43static inline int kobject_uevent(struct kobject *kobj,
44 enum kobject_action action,
45 struct attribute *attr)
46{
47 return 0;
48}
49static inline int kobject_uevent_atomic(struct kobject *kobj,
50 enum kobject_action action,
51 struct attribute *attr)
52{
53 return 0;
54}
55#endif
56
57#endif