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| author | Thomas Gleixner <tglx@linutronix.de> | 2014-07-16 21:04:02 +0000 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2014-07-23 10:17:54 -0700 |
| commit | 8b094cd03b4a3793220d8d8d86a173bfea8c285b (patch) | |
| tree | fd0e63d38403f4413fa39095e1eff99f7b23d36c /include/linux/timekeeping.h | |
| parent | 7d489d15ce4be5310ca60e5896df833f9b3b4088 (diff) | |
| download | op-kernel-dev-8b094cd03b4a3793220d8d8d86a173bfea8c285b.zip op-kernel-dev-8b094cd03b4a3793220d8d8d86a173bfea8c285b.tar.gz | |
time: Consolidate the time accessor prototypes
Right now we have time related prototypes in 3 different header
files. Move it to a single timekeeping header file and move the core
internal stuff into a core private header.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'include/linux/timekeeping.h')
| -rw-r--r-- | include/linux/timekeeping.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h new file mode 100644 index 0000000..e81c35b --- /dev/null +++ b/include/linux/timekeeping.h @@ -0,0 +1,78 @@ +#ifndef _LINUX_TIMEKEEPING_H +#define _LINUX_TIMEKEEPING_H + +/* Included from linux/ktime.h */ + +void timekeeping_init(void); +extern int timekeeping_suspended; + +/* + * Get and set timeofday + */ +extern void do_gettimeofday(struct timeval *tv); +extern int do_settimeofday(const struct timespec *tv); +extern int do_sys_settimeofday(const struct timespec *tv, + const struct timezone *tz); + +/* + * Kernel time accessors + */ +unsigned long get_seconds(void); +struct timespec current_kernel_time(void); +/* does not take xtime_lock */ +struct timespec __current_kernel_time(void); + +/* + * timespec based interfaces + */ +struct timespec get_monotonic_coarse(void); +extern void getrawmonotonic(struct timespec *ts); +extern void monotonic_to_bootbased(struct timespec *ts); +extern void get_monotonic_boottime(struct timespec *ts); +extern void ktime_get_ts(struct timespec *ts); + +extern int __getnstimeofday(struct timespec *tv); +extern void getnstimeofday(struct timespec *tv); +extern void getboottime(struct timespec *ts); + +#define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts) +#define ktime_get_real_ts(ts) getnstimeofday(ts) + + +/* + * ktime_t based interfaces + */ +extern ktime_t ktime_get(void); +extern ktime_t ktime_get_real(void); +extern ktime_t ktime_get_boottime(void); +extern ktime_t ktime_get_monotonic_offset(void); +extern ktime_t ktime_get_clocktai(void); + +/* + * RTC specific + */ +extern void timekeeping_inject_sleeptime(struct timespec *delta); + +/* + * PPS accessor + */ +extern void getnstime_raw_and_real(struct timespec *ts_raw, + struct timespec *ts_real); + +/* + * Persistent clock related interfaces + */ +extern bool persistent_clock_exist; +extern int persistent_clock_is_local; + +static inline bool has_persistent_clock(void) +{ + return persistent_clock_exist; +} + +extern void read_persistent_clock(struct timespec *ts); +extern void read_boot_clock(struct timespec *ts); +extern int update_persistent_clock(struct timespec now); + + +#endif |
