1 files changed, 28 insertions, 15 deletions
diff --git a/include/uapi/linux/time.h b/include/uapi/linux/time.h
index 09299fcb842a..16ca1ac206fd 100644
--- a/include/uapi/linux/time.h
+++ b/include/uapi/linux/time.h
@@ -1,28 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 #ifndef _UAPI_LINUX_TIME_H
 #define _UAPI_LINUX_TIME_H
 
 #include <linux/types.h>
+#include <linux/time_types.h>
 
-
+#ifndef __KERNEL__
 #ifndef _STRUCT_TIMESPEC
 #define _STRUCT_TIMESPEC
 struct timespec {
-	__kernel_time_t	tv_sec;			/* seconds */
-	long		tv_nsec;		/* nanoseconds */
+	__kernel_old_time_t	tv_sec;		/* seconds */
+	long			tv_nsec;	/* nanoseconds */
 };
 #endif
 
 struct timeval {
-	__kernel_time_t		tv_sec;		/* seconds */
+	__kernel_old_time_t	tv_sec;		/* seconds */
 	__kernel_suseconds_t	tv_usec;	/* microseconds */
 };
 
+struct itimerspec {
+	struct timespec it_interval;/* timer period */
+	struct timespec it_value;	/* timer expiration */
+};
+
+struct itimerval {
+	struct timeval it_interval;/* timer interval */
+	struct timeval it_value;	/* current value */
+};
+#endif
+
 struct timezone {
 	int	tz_minuteswest;	/* minutes west of Greenwich */
 	int	tz_dsttime;	/* type of dst correction */
 };
 
-
 /*
  * Names of the interval timers, and structure
  * defining a timer setting:
@@ -31,16 +43,6 @@ struct timezone {
 #define	ITIMER_VIRTUAL		1
 #define	ITIMER_PROF		2
 
-struct itimerspec {
-	struct timespec it_interval;	/* timer period */
-	struct timespec it_value;	/* timer expiration */
-};
-
-struct itimerval {
-	struct timeval it_interval;	/* timer interval */
-	struct timeval it_value;	/* current value */
-};
-
 /*
  * The IDs of the various system clocks (for POSIX.1b interval timers):
  */
@@ -62,6 +64,17 @@ struct itimerval {
 #define CLOCK_TAI			11
 
 #define MAX_CLOCKS			16
+
+/*
+ * AUX clock support. AUXiliary clocks are dynamically configured by
+ * enabling a clock ID. These clock can be steered independently of the
+ * core timekeeper. The kernel can support up to 8 auxiliary clocks, but
+ * the actual limit depends on eventual architecture constraints vs. VDSO.
+ */
+#define CLOCK_AUX			MAX_CLOCKS
+#define MAX_AUX_CLOCKS			8
+#define CLOCK_AUX_LAST			(CLOCK_AUX + MAX_AUX_CLOCKS - 1)
+
 #define CLOCKS_MASK			(CLOCK_REALTIME | CLOCK_MONOTONIC)
 #define CLOCKS_MONO			CLOCK_MONOTONIC