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-rw-r--r--kernel/time/timekeeping.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/kernel/time/timekeeping.h b/kernel/time/timekeeping.h
new file mode 100644
index 000000000..099737f6f
--- /dev/null
+++ b/kernel/time/timekeeping.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _KERNEL_TIME_TIMEKEEPING_H
+#define _KERNEL_TIME_TIMEKEEPING_H
+/*
+ * Internal interfaces for kernel/time/
+ */
+extern ktime_t ktime_get_update_offsets_now(unsigned int *cwsseq,
+ ktime_t *offs_real,
+ ktime_t *offs_boot,
+ ktime_t *offs_tai);
+
+extern int timekeeping_valid_for_hres(void);
+extern u64 timekeeping_max_deferment(void);
+extern void timekeeping_warp_clock(void);
+extern int timekeeping_suspend(void);
+extern void timekeeping_resume(void);
+#ifdef CONFIG_GENERIC_SCHED_CLOCK
+extern int sched_clock_suspend(void);
+extern void sched_clock_resume(void);
+#else
+static inline int sched_clock_suspend(void) { return 0; }
+static inline void sched_clock_resume(void) { }
+#endif
+
+extern void do_timer(unsigned long ticks);
+extern void update_wall_time(void);
+
+extern raw_spinlock_t jiffies_lock;
+extern seqcount_t jiffies_seq;
+
+#define CS_NAME_LEN 32
+
+#endif