79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
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#ifndef _LINUX_TIMEKEEPING_H
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#define _LINUX_TIMEKEEPING_H
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/* Included from linux/ktime.h */
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void timekeeping_init(void);
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extern int timekeeping_suspended;
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/*
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* Get and set timeofday
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*/
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extern void do_gettimeofday(struct timeval *tv);
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extern int do_settimeofday(const struct timespec *tv);
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extern int do_sys_settimeofday(const struct timespec *tv,
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const struct timezone *tz);
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/*
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* Kernel time accessors
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*/
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unsigned long get_seconds(void);
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struct timespec current_kernel_time(void);
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/* does not take xtime_lock */
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struct timespec __current_kernel_time(void);
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/*
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* timespec based interfaces
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*/
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struct timespec get_monotonic_coarse(void);
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extern void getrawmonotonic(struct timespec *ts);
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extern void monotonic_to_bootbased(struct timespec *ts);
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extern void get_monotonic_boottime(struct timespec *ts);
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extern void ktime_get_ts(struct timespec *ts);
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extern int __getnstimeofday(struct timespec *tv);
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extern void getnstimeofday(struct timespec *tv);
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extern void getboottime(struct timespec *ts);
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#define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts)
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#define ktime_get_real_ts(ts) getnstimeofday(ts)
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/*
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* ktime_t based interfaces
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*/
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extern ktime_t ktime_get(void);
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extern ktime_t ktime_get_real(void);
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extern ktime_t ktime_get_boottime(void);
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extern ktime_t ktime_get_monotonic_offset(void);
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extern ktime_t ktime_get_clocktai(void);
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/*
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* RTC specific
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*/
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extern void timekeeping_inject_sleeptime(struct timespec *delta);
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/*
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* PPS accessor
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*/
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extern void getnstime_raw_and_real(struct timespec *ts_raw,
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struct timespec *ts_real);
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/*
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* Persistent clock related interfaces
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*/
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extern bool persistent_clock_exist;
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extern int persistent_clock_is_local;
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static inline bool has_persistent_clock(void)
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{
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return persistent_clock_exist;
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}
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extern void read_persistent_clock(struct timespec *ts);
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extern void read_boot_clock(struct timespec *ts);
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extern int update_persistent_clock(struct timespec now);
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#endif
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