1 #ifndef _KERNEL_TIME_TIMEKEEPING_H 2 #define _KERNEL_TIME_TIMEKEEPING_H 3 /* 4 * Internal interfaces for kernel/time/ 5 */ 6 extern ktime_t ktime_get_update_offsets_tick(ktime_t *offs_real, 7 ktime_t *offs_boot, 8 ktime_t *offs_tai); 9 extern ktime_t ktime_get_update_offsets_now(ktime_t *offs_real, 10 ktime_t *offs_boot, 11 ktime_t *offs_tai); 12 13 extern int timekeeping_valid_for_hres(void); 14 extern u64 timekeeping_max_deferment(void); 15 extern int timekeeping_inject_offset(struct timespec *ts); 16 extern s32 timekeeping_get_tai_offset(void); 17 extern void timekeeping_set_tai_offset(s32 tai_offset); 18 extern void timekeeping_clocktai(struct timespec *ts); 19 extern int timekeeping_suspend(void); 20 extern void timekeeping_resume(void); 21 22 extern void do_timer(unsigned long ticks); 23 extern void update_wall_time(void); 24 25 extern seqlock_t jiffies_lock; 26 27 #define CS_NAME_LEN 32 28 29 #endif 30