timekeeping: Add CLOCK_TAI clockid

This add a CLOCK_TAI clockid and the needed accessors.

CC: Thomas Gleixner <tglx@linutronix.de>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>

2 files changed, 3 insertions, 4 deletions

diff --git a/include/linux/time.h b/include/linux/time.h
index 47210a175e78..22d81b3c955b 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -183,6 +183,7 @@ extern u64 timekeeping_max_deferment(void);
 extern int timekeeping_inject_offset(struct timespec *ts);
 extern s32 timekeeping_get_tai_offset(void);
 extern void timekeeping_set_tai_offset(s32 tai_offset);
+extern void timekeeping_clocktai(struct timespec *ts);
 
 struct tms;
 extern void do_sys_times(struct tms *);
diff --git a/include/uapi/linux/time.h b/include/uapi/linux/time.h
index 0d3c0edc3eda..e75e1b6ff27f 100644
--- a/include/uapi/linux/time.h
+++ b/include/uapi/linux/time.h
@@ -54,11 +54,9 @@ struct itimerval {
 #define CLOCK_BOOTTIME                  7
 #define CLOCK_REALTIME_ALARM            8
 #define CLOCK_BOOTTIME_ALARM            9
+#define CLOCK_SGI_CYCLE                 10      /* Hardware specific */
+#define CLOCK_TAI                       11
 
-/*
- * The IDs of various hardware clocks:
- */
-#define CLOCK_SGI_CYCLE                 10
 #define MAX_CLOCKS                      16
 #define CLOCKS_MASK                     (CLOCK_REALTIME | CLOCK_MONOTONIC)
 #define CLOCKS_MONO                     CLOCK_MONOTONIC