xref: /openbsd-src/sys/dev/pci/drm/include/linux/timer.h (revision f6aab3d83b51b91c24247ad2c2573574de475a82)
1 /*	$OpenBSD: timer.h,v 1.8 2021/07/14 09:56:17 jsg Exp $	*/
2 /*
3  * Copyright (c) 2013, 2014, 2015 Mark Kettenis
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #ifndef _LINUX_TIMER_H
19 #define _LINUX_TIMER_H
20 
21 #include <sys/types.h>
22 #include <sys/param.h>
23 #include <sys/timeout.h>
24 #include <sys/kernel.h>
25 #include <linux/ktime.h>
26 
27 #define del_timer_sync(x)	timeout_del_barrier((x))
28 #define del_timer(x)		timeout_del((x))
29 #define timer_pending(x)	timeout_pending((x))
30 
31 static inline int
32 mod_timer(struct timeout *to, unsigned long j)
33 {
34 	if (j <= jiffies)
35 		return timeout_add(to, 1);
36 	return timeout_add(to, j - jiffies);
37 }
38 
39 static inline unsigned long
40 round_jiffies_up(unsigned long j)
41 {
42 	return roundup(j, hz);
43 }
44 
45 static inline unsigned long
46 round_jiffies_up_relative(unsigned long j)
47 {
48 	return roundup(j, hz);
49 }
50 
51 #endif
52