kobject_uevent.h
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上传日期:2009-04-28
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- /*
- * kobject_uevent.h - list of kobject user events that can be generated
- *
- * Copyright (C) 2004 IBM Corp.
- * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
- *
- * This file is released under the GPLv2.
- *
- */
- #ifndef _KOBJECT_EVENT_H_
- #define _KOBJECT_EVENT_H_
- #define HOTPLUG_PATH_LEN 256
- /* path to the hotplug userspace helper executed on an event */
- extern char hotplug_path[];
- /*
- * If you add an action here, you must also add the proper string to the
- * lib/kobject_uevent.c file.
- */
- typedef int __bitwise kobject_action_t;
- enum kobject_action {
- KOBJ_ADD = (__force kobject_action_t) 0x01, /* add event, for hotplug */
- KOBJ_REMOVE = (__force kobject_action_t) 0x02, /* remove event, for hotplug */
- KOBJ_CHANGE = (__force kobject_action_t) 0x03, /* a sysfs attribute file has changed */
- KOBJ_MOUNT = (__force kobject_action_t) 0x04, /* mount event for block devices */
- KOBJ_UMOUNT = (__force kobject_action_t) 0x05, /* umount event for block devices */
- KOBJ_OFFLINE = (__force kobject_action_t) 0x06, /* offline event for hotplug devices */
- KOBJ_ONLINE = (__force kobject_action_t) 0x07, /* online event for hotplug devices */
- };
- #ifdef CONFIG_KOBJECT_UEVENT
- int kobject_uevent(struct kobject *kobj,
- enum kobject_action action,
- struct attribute *attr);
- int kobject_uevent_atomic(struct kobject *kobj,
- enum kobject_action action,
- struct attribute *attr);
- #else
- static inline int kobject_uevent(struct kobject *kobj,
- enum kobject_action action,
- struct attribute *attr)
- {
- return 0;
- }
- static inline int kobject_uevent_atomic(struct kobject *kobj,
- enum kobject_action action,
- struct attribute *attr)
- {
- return 0;
- }
- #endif
- #endif