projects / mirror_ubuntu-hirsute-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| ff84136c VZ |
1 | #ifndef __WATCHDOG_PRETIMEOUT_H |
| 2 | #define __WATCHDOG_PRETIMEOUT_H | |
| 3 | ||
| 4 | #define WATCHDOG_GOV_NAME_MAXLEN 20 | |
| 5 | ||
| 6 | struct watchdog_device; | |
| 7 | ||
| 8 | struct watchdog_governor { | |
| 9 | const char name[WATCHDOG_GOV_NAME_MAXLEN]; | |
| 10 | void (*pretimeout)(struct watchdog_device *wdd); | |
| 11 | }; | |
| 12 | ||
| 13 | #if IS_ENABLED(CONFIG_WATCHDOG_PRETIMEOUT_GOV) | |
| 14 | /* Interfaces to watchdog pretimeout governors */ | |
| 15 | int watchdog_register_governor(struct watchdog_governor *gov); | |
| 16 | void watchdog_unregister_governor(struct watchdog_governor *gov); | |
| 17 | ||
| 18 | /* Interfaces to watchdog_dev.c */ | |
| 19 | int watchdog_register_pretimeout(struct watchdog_device *wdd); | |
| 20 | void watchdog_unregister_pretimeout(struct watchdog_device *wdd); | |
| 21 | int watchdog_pretimeout_governor_get(struct watchdog_device *wdd, char *buf); | |
| 22 | ||
| f77710c4 VZ |
23 | #if IS_ENABLED(CONFIG_WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP) |
| 24 | #define WATCHDOG_PRETIMEOUT_DEFAULT_GOV "noop" | |
| 25 | #endif | |
| 26 | ||
| ff84136c VZ |
27 | #else |
| 28 | static inline int watchdog_register_pretimeout(struct watchdog_device *wdd) | |
| 29 | { | |
| 30 | return 0; | |
| 31 | } | |
| 32 | ||
| 33 | static inline void watchdog_unregister_pretimeout(struct watchdog_device *wdd) | |
| 34 | { | |
| 35 | } | |
| 36 | ||
| 37 | static inline int watchdog_pretimeout_governor_get(struct watchdog_device *wdd, | |
| 38 | char *buf) | |
| 39 | { | |
| 40 | return -EINVAL; | |
| 41 | } | |
| 42 | #endif | |
| 43 | ||
| 44 | #endif |