1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _KERNEL_TIME_TIMEKEEPING_H 3 #define _KERNEL_TIME_TIMEKEEPING_H 4 /* 5 * Internal interfaces for kernel/time/ 6 */ 7 extern ktime_t ktime_get_update_offsets_now(unsigned int *cwsseq, 8 ktime_t *offs_real, 9 ktime_t *offs_tai); 10 11 extern int timekeeping_valid_for_hres(void); 12 extern u64 timekeeping_max_deferment(void); 13 extern void timekeeping_warp_clock(void); 14 extern int timekeeping_suspend(void); 15 extern void timekeeping_resume(void); 16 17 extern void do_timer(unsigned long ticks); 18 extern void update_wall_time(void); 19 20 extern seqlock_t jiffies_lock; 21 22 #define CS_NAME_LEN 32 23 24 #endif 25