1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _LINUX_HRTIMER_DEFS_H 3*4882a593Smuzhiyun #define _LINUX_HRTIMER_DEFS_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/ktime.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifdef CONFIG_HIGH_RES_TIMERS 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* 10*4882a593Smuzhiyun * The resolution of the clocks. The resolution value is returned in 11*4882a593Smuzhiyun * the clock_getres() system call to give application programmers an 12*4882a593Smuzhiyun * idea of the (in)accuracy of timers. Timer values are rounded up to 13*4882a593Smuzhiyun * this resolution values. 14*4882a593Smuzhiyun */ 15*4882a593Smuzhiyun # define HIGH_RES_NSEC 1 16*4882a593Smuzhiyun # define KTIME_HIGH_RES (HIGH_RES_NSEC) 17*4882a593Smuzhiyun # define MONOTONIC_RES_NSEC HIGH_RES_NSEC 18*4882a593Smuzhiyun # define KTIME_MONOTONIC_RES KTIME_HIGH_RES 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #else 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun # define MONOTONIC_RES_NSEC LOW_RES_NSEC 23*4882a593Smuzhiyun # define KTIME_MONOTONIC_RES KTIME_LOW_RES 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #endif 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun #endif 28