2 * Copyright (c) 2017 Mark Johnston <markj@FreeBSD.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice unmodified, this list of conditions, and the following
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #ifndef _LINUX_HRTIMER_H_
29 #define _LINUX_HRTIMER_H_
31 #include <sys/_callout.h>
32 #include <sys/_mutex.h>
34 #include <linux/ktime.h>
35 #include <linux/timer.h>
39 HRTIMER_MODE_REL_PINNED = HRTIMER_MODE_REL,
42 enum hrtimer_restart {
48 enum hrtimer_restart (*function)(struct hrtimer *);
50 struct callout callout;
51 s64 expires; /* relative time in nanoseconds */
52 s64 precision; /* in nanoseconds */
55 #define hrtimer_active(hrtimer) linux_hrtimer_active(hrtimer)
56 #define hrtimer_cancel(hrtimer) linux_hrtimer_cancel(hrtimer)
58 #define hrtimer_init(hrtimer, clock, mode) do { \
59 CTASSERT((clock) == CLOCK_MONOTONIC); \
60 CTASSERT((mode) == HRTIMER_MODE_REL); \
61 linux_hrtimer_init(hrtimer); \
64 #define hrtimer_set_expires(hrtimer, time) \
65 linux_hrtimer_set_expires(hrtimer, time)
67 #define hrtimer_start(hrtimer, time, mode) do { \
68 CTASSERT((mode) == HRTIMER_MODE_REL); \
69 linux_hrtimer_start(hrtimer, time); \
72 #define hrtimer_start_range_ns(hrtimer, time, prec, mode) do { \
73 CTASSERT((mode) == HRTIMER_MODE_REL); \
74 linux_hrtimer_start_range_ns(hrtimer, time, prec); \
77 #define hrtimer_forward_now(hrtimer, interval) do { \
78 linux_hrtimer_forward_now(hrtimer, interval); \
81 bool linux_hrtimer_active(struct hrtimer *);
82 int linux_hrtimer_cancel(struct hrtimer *);
83 void linux_hrtimer_init(struct hrtimer *);
84 void linux_hrtimer_set_expires(struct hrtimer *, ktime_t);
85 void linux_hrtimer_start(struct hrtimer *, ktime_t);
86 void linux_hrtimer_start_range_ns(struct hrtimer *, ktime_t, int64_t);
87 void linux_hrtimer_forward_now(struct hrtimer *, ktime_t);
89 #endif /* _LINUX_HRTIMER_H_ */