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 */ 47