| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
| 17 | extern 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 | */ |
| 23 | typedef int __bitwise kobject_action_t; |
| 24 | enum 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 |
| 36 | int kobject_uevent(struct kobject *kobj, |
| 37 | enum kobject_action action, |
| 38 | struct attribute *attr); |
| 39 | int kobject_uevent_atomic(struct kobject *kobj, |
| 40 | enum kobject_action action, |
| 41 | struct attribute *attr); |
| 42 | #else |
| 43 | static inline int kobject_uevent(struct kobject *kobj, |
| 44 | enum kobject_action action, |
| 45 | struct attribute *attr) |
| 46 | { |
| 47 | return 0; |
| 48 | } |
| 49 | static 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 |