blob: 8ea3ca1b0ee526a79a7b6f20b839acdd13a690a9 (
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
#ifndef _LINUX_TIMEKEEPING_H
#define _LINUX_TIMEKEEPING_H
/* Included from linux/ktime.h */
void timekeeping_init(void);
extern int timekeeping_suspended;
/*
* Get and set timeofday
*/
extern void do_gettimeofday(struct timeval *tv);
extern int do_settimeofday(const struct timespec *tv);
extern int do_sys_settimeofday(const struct timespec *tv,
const struct timezone *tz);
/*
* Kernel time accessors
*/
unsigned long get_seconds(void);
struct timespec current_kernel_time(void);
/* does not take xtime_lock */
struct timespec __current_kernel_time(void);
/*
* timespec based interfaces
*/
struct timespec get_monotonic_coarse(void);
extern void getrawmonotonic(struct timespec *ts);
extern void get_monotonic_boottime(struct timespec *ts);
extern void ktime_get_ts64(struct timespec64 *ts);
extern int __getnstimeofday64(struct timespec64 *tv);
extern void getnstimeofday64(struct timespec64 *tv);
#if BITS_PER_LONG == 64
static inline int __getnstimeofday(struct timespec *ts)
{
return __getnstimeofday64(ts);
}
static inline void getnstimeofday(struct timespec *ts)
{
getnstimeofday64(ts);
}
static inline void ktime_get_ts(struct timespec *ts)
{
ktime_get_ts64(ts);
}
static inline void ktime_get_real_ts(struct timespec *ts)
{
getnstimeofday64(ts);
}
#else
static inline int __getnstimeofday(struct timespec *ts)
{
struct timespec64 ts64;
int ret = __getnstimeofday64(&ts64);
*ts = timespec64_to_timespec(ts64);
return ret;
}
static inline void getnstimeofday(struct timespec *ts)
{
struct timespec64 ts64;
getnstimeofday64(&ts64);
*ts = timespec64_to_timespec(ts64);
}
static inline void ktime_get_ts(struct timespec *ts)
{
struct timespec64 ts64;
ktime_get_ts64(&ts64);
*ts = timespec64_to_timespec(ts64);
}
static inline void ktime_get_real_ts(struct timespec *ts)
{
struct timespec64 ts64;
getnstimeofday64(&ts64);
*ts = timespec64_to_timespec(ts64);
}
#endif
extern void getboottime(struct timespec *ts);
#define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts)
#define ktime_get_real_ts64(ts) getnstimeofday64(ts)
/*
* ktime_t based interfaces
*/
enum tk_offsets {
TK_OFFS_REAL,
TK_OFFS_BOOT,
TK_OFFS_TAI,
TK_OFFS_MAX,
};
extern ktime_t ktime_get(void);
extern ktime_t ktime_get_with_offset(enum tk_offsets offs);
extern ktime_t ktime_mono_to_any(ktime_t tmono, enum tk_offsets offs);
/**
* ktime_get_real - get the real (wall-) time in ktime_t format
*/
static inline ktime_t ktime_get_real(void)
{
return ktime_get_with_offset(TK_OFFS_REAL);
}
/**
* ktime_get_boottime - Returns monotonic time since boot in ktime_t format
*
* This is similar to CLOCK_MONTONIC/ktime_get, but also includes the
* time spent in suspend.
*/
static inline ktime_t ktime_get_boottime(void)
{
return ktime_get_with_offset(TK_OFFS_BOOT);
}
/**
* ktime_get_clocktai - Returns the TAI time of day in ktime_t format
*/
static inline ktime_t ktime_get_clocktai(void)
{
return ktime_get_with_offset(TK_OFFS_TAI);
}
/**
* ktime_mono_to_real - Convert monotonic time to clock realtime
*/
static inline ktime_t ktime_mono_to_real(ktime_t mono)
{
return ktime_mono_to_any(mono, TK_OFFS_REAL);
}
static inline u64 ktime_get_ns(void)
{
return ktime_to_ns(ktime_get());
}
static inline u64 ktime_get_real_ns(void)
{
return ktime_to_ns(ktime_get_real());
}
static inline u64 ktime_get_boot_ns(void)
{
return ktime_to_ns(ktime_get_boottime());
}
/*
* RTC specific
*/
extern void timekeeping_inject_sleeptime(struct timespec *delta);
/*
* PPS accessor
*/
extern void getnstime_raw_and_real(struct timespec *ts_raw,
struct timespec *ts_real);
/*
* Persistent clock related interfaces
*/
extern bool persistent_clock_exist;
extern int persistent_clock_is_local;
static inline bool has_persistent_clock(void)
{
return persistent_clock_exist;
}
extern void read_persistent_clock(struct timespec *ts);
extern void read_boot_clock(struct timespec *ts);
extern int update_persistent_clock(struct timespec now);
#endif
|
