diff options
Diffstat (limited to 'backport-include/linux/timekeeping.h')
-rw-r--r-- | backport-include/linux/timekeeping.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/backport-include/linux/timekeeping.h b/backport-include/linux/timekeeping.h new file mode 100644 index 0000000..56c3dee --- /dev/null +++ b/backport-include/linux/timekeeping.h @@ -0,0 +1,61 @@ +#ifndef __BACKPORT_TIMEKEEPING_H +#define __BACKPORT_TIMEKEEPING_H +#include <linux/version.h> +#include <linux/types.h> + +#if LINUX_VERSION_IS_GEQ(3,17,0) +#include_next <linux/timekeeping.h> +#endif + +#if LINUX_VERSION_IS_LESS(3,17,0) +#define ktime_get_ns LINUX_BACKPORT(ktime_get_ns) +extern ktime_t ktime_get(void); +#define ktime_get_ns LINUX_BACKPORT(ktime_get_ns) +static inline u64 ktime_get_ns(void) +{ + return ktime_to_ns(ktime_get()); +} + +extern ktime_t ktime_get_boottime(void); +#define ktime_get_boot_ns LINUX_BACKPORT(ktime_get_boot_ns) +static inline u64 ktime_get_boot_ns(void) +{ + return ktime_to_ns(ktime_get_boottime()); +} +#endif /* < 3.17 */ + +#if LINUX_VERSION_IS_LESS(4,18,0) +static inline time64_t ktime_get_boottime_seconds(void) +{ + return ktime_divns(ktime_get_boottime(), NSEC_PER_SEC); +} +#endif /* < 4.18 */ + +#if LINUX_VERSION_IS_LESS(3,19,0) +static inline time64_t ktime_get_seconds(void) +{ + struct timespec t; + + ktime_get_ts(&t); + + return t.tv_sec; +} + +static inline time64_t ktime_get_real_seconds(void) +{ + struct timeval tv; + + do_gettimeofday(&tv); + + return tv.tv_sec; +} +#endif + +#if LINUX_VERSION_IS_LESS(3,17,0) +static inline void ktime_get_ts64(struct timespec64 *ts) +{ + ktime_get_ts(ts); +} +#endif + +#endif /* __BACKPORT_TIMEKEEPING_H */ |