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Diffstat (limited to 'include/uapi/linux/time.h')
-rw-r--r--include/uapi/linux/time.h49
1 files changed, 33 insertions, 16 deletions
diff --git a/include/uapi/linux/time.h b/include/uapi/linux/time.h
index e75e1b6ff27f..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):
*/
@@ -54,10 +56,25 @@ struct itimerval {
#define CLOCK_BOOTTIME 7
#define CLOCK_REALTIME_ALARM 8
#define CLOCK_BOOTTIME_ALARM 9
-#define CLOCK_SGI_CYCLE 10 /* Hardware specific */
+/*
+ * The driver implementing this got removed. The clock ID is kept as a
+ * place holder. Do not reuse!
+ */
+#define CLOCK_SGI_CYCLE 10
#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