1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Device Mapper Uevent Support
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright IBM Corporation, 2007
6*4882a593Smuzhiyun * Author: Mike Anderson <andmike@linux.vnet.ibm.com>
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun #ifndef DM_UEVENT_H
9*4882a593Smuzhiyun #define DM_UEVENT_H
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun enum dm_uevent_type {
12*4882a593Smuzhiyun DM_UEVENT_PATH_FAILED,
13*4882a593Smuzhiyun DM_UEVENT_PATH_REINSTATED,
14*4882a593Smuzhiyun };
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #ifdef CONFIG_DM_UEVENT
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun extern int dm_uevent_init(void);
19*4882a593Smuzhiyun extern void dm_uevent_exit(void);
20*4882a593Smuzhiyun extern void dm_send_uevents(struct list_head *events, struct kobject *kobj);
21*4882a593Smuzhiyun extern void dm_path_uevent(enum dm_uevent_type event_type,
22*4882a593Smuzhiyun struct dm_target *ti, const char *path,
23*4882a593Smuzhiyun unsigned nr_valid_paths);
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun #else
26*4882a593Smuzhiyun
dm_uevent_init(void)27*4882a593Smuzhiyun static inline int dm_uevent_init(void)
28*4882a593Smuzhiyun {
29*4882a593Smuzhiyun return 0;
30*4882a593Smuzhiyun }
dm_uevent_exit(void)31*4882a593Smuzhiyun static inline void dm_uevent_exit(void)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun }
dm_send_uevents(struct list_head * events,struct kobject * kobj)34*4882a593Smuzhiyun static inline void dm_send_uevents(struct list_head *events,
35*4882a593Smuzhiyun struct kobject *kobj)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun }
dm_path_uevent(enum dm_uevent_type event_type,struct dm_target * ti,const char * path,unsigned nr_valid_paths)38*4882a593Smuzhiyun static inline void dm_path_uevent(enum dm_uevent_type event_type,
39*4882a593Smuzhiyun struct dm_target *ti, const char *path,
40*4882a593Smuzhiyun unsigned nr_valid_paths)
41*4882a593Smuzhiyun {
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun #endif /* CONFIG_DM_UEVENT */
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun #endif /* DM_UEVENT_H */
47