License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[sfrench/cifs-2.6.git] / kernel / time / timekeeping.h
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_boot,
10                                             ktime_t *offs_tai);
11
12 extern int timekeeping_valid_for_hres(void);
13 extern u64 timekeeping_max_deferment(void);
14 extern int timekeeping_inject_offset(struct timespec *ts);
15 extern int timekeeping_suspend(void);
16 extern void timekeeping_resume(void);
17
18 extern void do_timer(unsigned long ticks);
19 extern void update_wall_time(void);
20
21 extern seqlock_t jiffies_lock;
22
23 #define CS_NAME_LEN     32
24
25 #endif