drm/vc4: Drop planes that have 0 destination size
[platform/kernel/linux-rpi.git] / drivers / md / dm-uevent.h
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Device Mapper Uevent Support
4  *
5  * Copyright IBM Corporation, 2007
6  *      Author: Mike Anderson <andmike@linux.vnet.ibm.com>
7  */
8 #ifndef DM_UEVENT_H
9 #define DM_UEVENT_H
10
11 enum dm_uevent_type {
12         DM_UEVENT_PATH_FAILED,
13         DM_UEVENT_PATH_REINSTATED,
14 };
15
16 #ifdef CONFIG_DM_UEVENT
17
18 extern int dm_uevent_init(void);
19 extern void dm_uevent_exit(void);
20 extern void dm_send_uevents(struct list_head *events, struct kobject *kobj);
21 extern void dm_path_uevent(enum dm_uevent_type event_type,
22                            struct dm_target *ti, const char *path,
23                            unsigned int nr_valid_paths);
24
25 #else
26
27 static inline int dm_uevent_init(void)
28 {
29         return 0;
30 }
31 static inline void dm_uevent_exit(void)
32 {
33 }
34 static inline void dm_send_uevents(struct list_head *events,
35                                    struct kobject *kobj)
36 {
37 }
38 static inline void dm_path_uevent(enum dm_uevent_type event_type,
39                                   struct dm_target *ti, const char *path,
40                                   unsigned int nr_valid_paths)
41 {
42 }
43
44 #endif  /* CONFIG_DM_UEVENT */
45
46 #endif  /* DM_UEVENT_H */