Commit | Line | Data |
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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); | |
89873a71 | 21 | int watchdog_pretimeout_available_governors_get(char *buf); |
ff84136c | 22 | int watchdog_pretimeout_governor_get(struct watchdog_device *wdd, char *buf); |
53f96cee VZ |
23 | int watchdog_pretimeout_governor_set(struct watchdog_device *wdd, |
24 | const char *buf); | |
ff84136c | 25 | |
f77710c4 VZ |
26 | #if IS_ENABLED(CONFIG_WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP) |
27 | #define WATCHDOG_PRETIMEOUT_DEFAULT_GOV "noop" | |
da0d12ff VZ |
28 | #elif IS_ENABLED(CONFIG_WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC) |
29 | #define WATCHDOG_PRETIMEOUT_DEFAULT_GOV "panic" | |
f77710c4 VZ |
30 | #endif |
31 | ||
ff84136c VZ |
32 | #else |
33 | static inline int watchdog_register_pretimeout(struct watchdog_device *wdd) | |
34 | { | |
35 | return 0; | |
36 | } | |
37 | ||
38 | static inline void watchdog_unregister_pretimeout(struct watchdog_device *wdd) | |
39 | { | |
40 | } | |
41 | ||
89873a71 VZ |
42 | static inline int watchdog_pretimeout_available_governors_get(char *buf) |
43 | { | |
44 | return -EINVAL; | |
45 | } | |
46 | ||
ff84136c VZ |
47 | static inline int watchdog_pretimeout_governor_get(struct watchdog_device *wdd, |
48 | char *buf) | |
49 | { | |
50 | return -EINVAL; | |
51 | } | |
53f96cee VZ |
52 | |
53 | static inline int watchdog_pretimeout_governor_set(struct watchdog_device *wdd, | |
54 | const char *buf) | |
55 | { | |
56 | return -EINVAL; | |
57 | } | |
ff84136c VZ |
58 | #endif |
59 | ||
60 | #endif |