summaryrefslogtreecommitdiffstats
path: root/kernel/time/timekeeping.h
blob: 141ab3ab0354f39fdb5daf7274e8d061d90a556c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _KERNEL_TIME_TIMEKEEPING_H
#define _KERNEL_TIME_TIMEKEEPING_H
/*
 * Internal interfaces for kernel/time/
 */
extern ktime_t ktime_get_update_offsets_now(unsigned int *cwsseq,
					    ktime_t *offs_real,
					    ktime_t *offs_boot,
					    ktime_t *offs_tai);

extern int timekeeping_valid_for_hres(void);
extern u64 timekeeping_max_deferment(void);
extern void timekeeping_warp_clock(void);
extern int timekeeping_suspend(void);
extern void timekeeping_resume(void);
#ifdef CONFIG_GENERIC_SCHED_CLOCK
extern int sched_clock_suspend(void);
extern void sched_clock_resume(void);
#else
static inline int sched_clock_suspend(void) { return 0; }
static inline void sched_clock_resume(void) { }
#endif

extern void do_timer(unsigned long ticks);
extern void update_wall_time(void);

extern seqlock_t jiffies_lock;

#define CS_NAME_LEN	32

#endif