2 * Copyright (c) 2017 Mark Johnston <markj@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #ifndef _LINUX_HRTIMER_H_
30 #define _LINUX_HRTIMER_H_
32 #include <sys/_callout.h>
33 #include <sys/_mutex.h>
35 #include <linux/ktime.h>
36 #include <linux/timer.h>
42 enum hrtimer_restart {
48 enum hrtimer_restart (*function)(struct hrtimer *);
50 struct callout callout;
53 #define hrtimer_active(hrtimer) linux_hrtimer_active(hrtimer)
54 #define hrtimer_cancel(hrtimer) linux_hrtimer_cancel(hrtimer)
55 #define hrtimer_init(hrtimer, clock, mode) do { \
56 CTASSERT((clock) == CLOCK_MONOTONIC); \
57 CTASSERT((mode) == HRTIMER_MODE_REL); \
58 linux_hrtimer_init(hrtimer); \
60 #define hrtimer_set_expires(hrtimer, time) \
61 linux_hrtimer_set_expires(hrtimer, time)
62 #define hrtimer_start(hrtimer, time, mode) do { \
63 CTASSERT((mode) == HRTIMER_MODE_REL); \
64 linux_hrtimer_start(hrtimer, time); \
66 #define hrtimer_start_range_ns(hrtimer, time, prec, mode) do { \
67 CTASSERT((mode) == HRTIMER_MODE_REL); \
68 linux_hrtimer_start_range_ns(hrtimer, time, prec); \
71 bool linux_hrtimer_active(struct hrtimer *);
72 int linux_hrtimer_cancel(struct hrtimer *);
73 void linux_hrtimer_init(struct hrtimer *);
74 void linux_hrtimer_set_expires(struct hrtimer *, ktime_t);
75 void linux_hrtimer_start(struct hrtimer *, ktime_t);
76 void linux_hrtimer_start_range_ns(struct hrtimer *, ktime_t, int64_t);
78 #endif /* _LINUX_HRTIMER_H_ */