1/*
2 * Device Mapper Uevent Support
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 2 of the License, or (at your
7 * option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 *
18 * Copyright IBM Corporation, 2007
19 * Author: Mike Anderson <andmike@linux.vnet.ibm.com>
20 */
21#ifndef DM_UEVENT_H
22#define DM_UEVENT_H
23
24enum dm_uevent_type {
25 DM_UEVENT_PATH_FAILED,
26 DM_UEVENT_PATH_REINSTATED,
27};
28
29#ifdef CONFIG_DM_UEVENT
30
31extern int dm_uevent_init(void);
32extern void dm_uevent_exit(void);
33extern void dm_send_uevents(struct list_head *events, struct kobject *kobj);
34extern void dm_path_uevent(enum dm_uevent_type event_type,
35 struct dm_target *ti, const char *path,
36 unsigned nr_valid_paths);
37
38#else
39
40static inline int dm_uevent_init(void)
41{
42 return 0;
43}
44static inline void dm_uevent_exit(void)
45{
46}
47static inline void dm_send_uevents(struct list_head *events,
48 struct kobject *kobj)
49{
50}
51static inline void dm_path_uevent(enum dm_uevent_type event_type,
52 struct dm_target *ti, const char *path,
53 unsigned nr_valid_paths)
54{
55}
56
57#endif /* CONFIG_DM_UEVENT */
58
59#endif /* DM_UEVENT_H */
60