xref: /linux/kernel/time/timekeeping.h (revision c411ed854584a71b0e86ac3019b60e4789d88086)
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 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