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_now(unsigned int *cwsseq, 7 ktime_t *offs_real, 8 ktime_t *offs_boot, 9 ktime_t *offs_tai); 10 11 extern int timekeeping_valid_for_hres(void); 12 extern u64 timekeeping_max_deferment(void); 13 extern int timekeeping_inject_offset(struct timespec *ts); 14 extern s32 timekeeping_get_tai_offset(void); 15 extern void timekeeping_set_tai_offset(s32 tai_offset); 16 extern int timekeeping_suspend(void); 17 extern void timekeeping_resume(void); 18 19 extern void do_timer(unsigned long ticks); 20 extern void update_wall_time(void); 21 22 extern seqlock_t jiffies_lock; 23 24 #define CS_NAME_LEN 32 25 26 #endif 27