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 void timekeeping_warp_clock(void); |
15 | extern int timekeeping_suspend(void); |
16 | extern void timekeeping_resume(void); |
17 | #ifdef CONFIG_GENERIC_SCHED_CLOCK |
18 | extern int sched_clock_suspend(void); |
19 | extern void sched_clock_resume(void); |
20 | #else |
21 | static inline int sched_clock_suspend(void) { return 0; } |
22 | static inline void sched_clock_resume(void) { } |
23 | #endif |
24 | |
25 | extern void update_process_times(int user); |
26 | extern void do_timer(unsigned long ticks); |
27 | extern void update_wall_time(void); |
28 | |
29 | extern raw_spinlock_t jiffies_lock; |
30 | extern seqcount_raw_spinlock_t jiffies_seq; |
31 | |
32 | #define CS_NAME_LEN 32 |
33 | |
34 | #endif |
35 | |