#ifndef __WATCHDOG_PRETIMEOUT_H
#define __WATCHDOG_PRETIMEOUT_H
#define WATCHDOG_GOV_NAME_MAXLEN 20
struct watchdog_device;
struct watchdog_governor {
const char name[WATCHDOG_GOV_NAME_MAXLEN];
void (*pretimeout)(struct watchdog_device *wdd);
};
#if IS_ENABLED(CONFIG_WATCHDOG_PRETIMEOUT_GOV)
/* Interfaces to watchdog pretimeout governors */
int watchdog_register_governor(struct watchdog_governor *gov);
void watchdog_unregister_governor(struct watchdog_governor *gov);
/* Interfaces to watchdog_dev.c */
int watchdog_register_pretimeout(struct watchdog_device *wdd);
void watchdog_unregister_pretimeout(struct watchdog_device *wdd);
int watchdog_pretimeout_available_governors_get(char *buf);
int watchdog_pretimeout_governor_get(struct watchdog_device *wdd, char *buf);
int watchdog_pretimeout_governor_set(struct watchdog_device *wdd,
const char *buf);
#if IS_ENABLED(CONFIG_WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP)
#define WATCHDOG_PRETIMEOUT_DEFAULT_GOV "noop"
#elif IS_ENABLED(CONFIG_WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC)
#define WATCHDOG_PRETIMEOUT_DEFAULT_GOV "panic"
#endif
#else
static inline int watchdog_register_pretimeout(struct watchdog_device *wdd)
{
return 0;
}
static inline void watchdog_unregister_pretimeout(struct watchdog_device *wdd)
{
}
static inline int watchdog_pretimeout_available_governors_get(char *buf)
{
return -EINVAL;
}
static inline int watchdog_pretimeout_governor_get(struct watchdog_device *wdd,
char *buf)
{
return -EINVAL;
}
static inline int watchdog_pretimeout_governor_set(struct watchdog_device *wdd,
const char *buf)
{
return -EINVAL;
}
#endif
#endif
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