include/linux/timekeeping32.h

   1 #ifndef _LINUX_TIMEKEEPING32_H
   2 #define _LINUX_TIMEKEEPING32_H
   3 /*
   4  * These interfaces are all based on the old timespec type
   5  * and should get replaced with the timespec64 based versions
   6  * over time so we can remove the file here.
   7  */
   8
   9 static inline void do_gettimeofday(struct timeval *tv)
  10 {
  11         struct timespec64 now;
  12
  13         ktime_get_real_ts64(&now);
  14         tv->tv_sec = now.tv_sec;
  15         tv->tv_usec = now.tv_nsec/1000;
  16 }
  17
  18 static inline unsigned long get_seconds(void)
  19 {
  20         return ktime_get_real_seconds();
  21 }
  22
  23 /* does not take xtime_lock */
  24 struct timespec __current_kernel_time(void);
  25
  26 static inline struct timespec current_kernel_time(void)
  27 {
  28         struct timespec64 now = current_kernel_time64();
  29
  30         return timespec64_to_timespec(now);
  31 }
  32
  33 #if BITS_PER_LONG == 64
  34 /**
  35  * Deprecated. Use do_settimeofday64().
  36  */
  37 static inline int do_settimeofday(const struct timespec *ts)
  38 {
  39         return do_settimeofday64(ts);
  40 }
  41
  42 static inline int __getnstimeofday(struct timespec *ts)
  43 {
  44         return __getnstimeofday64(ts);
  45 }
  46
  47 static inline void getnstimeofday(struct timespec *ts)
  48 {
  49         getnstimeofday64(ts);
  50 }
  51
  52 static inline void ktime_get_ts(struct timespec *ts)
  53 {
  54         ktime_get_ts64(ts);
  55 }
  56
  57 static inline void ktime_get_real_ts(struct timespec *ts)
  58 {
  59         getnstimeofday64(ts);
  60 }
  61
  62 static inline void getrawmonotonic(struct timespec *ts)
  63 {
  64         getrawmonotonic64(ts);
  65 }
  66
  67 static inline struct timespec get_monotonic_coarse(void)
  68 {
  69         return get_monotonic_coarse64();
  70 }
  71
  72 static inline void getboottime(struct timespec *ts)
  73 {
  74         return getboottime64(ts);
  75 }
  76 #else
  77 /**
  78  * Deprecated. Use do_settimeofday64().
  79  */
  80 static inline int do_settimeofday(const struct timespec *ts)
  81 {
  82         struct timespec64 ts64;
  83
  84         ts64 = timespec_to_timespec64(*ts);
  85         return do_settimeofday64(&ts64);
  86 }
  87
  88 static inline int __getnstimeofday(struct timespec *ts)
  89 {
  90         struct timespec64 ts64;
  91         int ret = __getnstimeofday64(&ts64);
  92
  93         *ts = timespec64_to_timespec(ts64);
  94         return ret;
  95 }
  96
  97 static inline void getnstimeofday(struct timespec *ts)
  98 {
  99         struct timespec64 ts64;
 100
 101         getnstimeofday64(&ts64);
 102         *ts = timespec64_to_timespec(ts64);
 103 }
 104
 105 static inline void ktime_get_ts(struct timespec *ts)
 106 {
 107         struct timespec64 ts64;
 108
 109         ktime_get_ts64(&ts64);
 110         *ts = timespec64_to_timespec(ts64);
 111 }
 112
 113 static inline void ktime_get_real_ts(struct timespec *ts)
 114 {
 115         struct timespec64 ts64;
 116
 117         getnstimeofday64(&ts64);
 118         *ts = timespec64_to_timespec(ts64);
 119 }
 120
 121 static inline void getrawmonotonic(struct timespec *ts)
 122 {
 123         struct timespec64 ts64;
 124
 125         getrawmonotonic64(&ts64);
 126         *ts = timespec64_to_timespec(ts64);
 127 }
 128
 129 static inline struct timespec get_monotonic_coarse(void)
 130 {
 131         return timespec64_to_timespec(get_monotonic_coarse64());
 132 }
 133
 134 static inline void getboottime(struct timespec *ts)
 135 {
 136         struct timespec64 ts64;
 137
 138         getboottime64(&ts64);
 139         *ts = timespec64_to_timespec(ts64);
 140 }
 141 #endif
 142
 143 /*
 144  * Timespec interfaces utilizing the ktime based ones
 145  */
 146 static inline void get_monotonic_boottime(struct timespec *ts)
 147 {
 148         *ts = ktime_to_timespec(ktime_get_boottime());
 149 }
 150
 151 static inline void timekeeping_clocktai(struct timespec *ts)
 152 {
 153         *ts = ktime_to_timespec(ktime_get_clocktai());
 154 }
 155
 156 /*
 157  * Persistent clock related interfaces
 158  */
 159 extern void read_persistent_clock(struct timespec *ts);
 160 extern int update_persistent_clock(struct timespec now);
 161
 162 #endif