summaryrefslogtreecommitdiffstats
path: root/include/linux/timekeeping32.h
blob: af4114d5dc1751235fe99fbd70b79ae5cca73ccd (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
#ifndef _LINUX_TIMEKEEPING32_H
#define _LINUX_TIMEKEEPING32_H
/*
 * These interfaces are all based on the old timespec type
 * and should get replaced with the timespec64 based versions
 * over time so we can remove the file here.
 */

extern void do_gettimeofday(struct timeval *tv);
unsigned long get_seconds(void);

/* does not take xtime_lock */
struct timespec __current_kernel_time(void);

static inline struct timespec current_kernel_time(void)
{
	struct timespec64 now = current_kernel_time64();

	return timespec64_to_timespec(now);
}

#if BITS_PER_LONG == 64
/**
 * Deprecated. Use do_settimeofday64().
 */
static inline int do_settimeofday(const struct timespec *ts)
{
	return do_settimeofday64(ts);
}

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);
}

static inline void getrawmonotonic(struct timespec *ts)
{
	getrawmonotonic64(ts);
}

static inline struct timespec get_monotonic_coarse(void)
{
	return get_monotonic_coarse64();
}

static inline void getboottime(struct timespec *ts)
{
	return getboottime64(ts);
}
#else
/**
 * Deprecated. Use do_settimeofday64().
 */
static inline int do_settimeofday(const struct timespec *ts)
{
	struct timespec64 ts64;

	ts64 = timespec_to_timespec64(*ts);
	return do_settimeofday64(&ts64);
}

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);
}

static inline void getrawmonotonic(struct timespec *ts)
{
	struct timespec64 ts64;

	getrawmonotonic64(&ts64);
	*ts = timespec64_to_timespec(ts64);
}

static inline struct timespec get_monotonic_coarse(void)
{
	return timespec64_to_timespec(get_monotonic_coarse64());
}

static inline void getboottime(struct timespec *ts)
{
	struct timespec64 ts64;

	getboottime64(&ts64);
	*ts = timespec64_to_timespec(ts64);
}
#endif

/*
 * Timespec interfaces utilizing the ktime based ones
 */
static inline void get_monotonic_boottime(struct timespec *ts)
{
	*ts = ktime_to_timespec(ktime_get_boottime());
}

static inline void timekeeping_clocktai(struct timespec *ts)
{
	*ts = ktime_to_timespec(ktime_get_clocktai());
}

/*
 * Persistent clock related interfaces
 */
extern void read_persistent_clock(struct timespec *ts);
extern int update_persistent_clock(struct timespec now);

#endif