9ea3e14182
Reviewed by: hselasky MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D11359
80 lines
2.8 KiB
C
80 lines
2.8 KiB
C
/*-
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* Copyright (c) 2017 Mark Johnston <markj@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LINUX_HRTIMER_H_
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#define _LINUX_HRTIMER_H_
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#include <sys/_callout.h>
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#include <sys/_mutex.h>
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#include <linux/ktime.h>
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#include <linux/timer.h>
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enum hrtimer_mode {
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HRTIMER_MODE_REL,
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};
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enum hrtimer_restart {
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HRTIMER_RESTART,
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HRTIMER_NORESTART,
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};
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struct hrtimer {
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enum hrtimer_restart (*function)(struct hrtimer *);
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struct mtx mtx;
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struct callout callout;
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uint32_t flags;
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};
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#define hrtimer_active(hrtimer) linux_hrtimer_active(hrtimer)
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#define hrtimer_cancel(hrtimer) linux_hrtimer_cancel(hrtimer)
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#define hrtimer_init(hrtimer, clock, mode) do { \
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CTASSERT((clock) == CLOCK_MONOTONIC); \
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CTASSERT((mode) == HRTIMER_MODE_REL); \
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linux_hrtimer_init(hrtimer); \
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} while (0)
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#define hrtimer_set_expires(hrtimer, time) \
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linux_hrtimer_set_expires(hrtimer, time)
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#define hrtimer_start(hrtimer, time, mode) do { \
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CTASSERT((mode) == HRTIMER_MODE_REL); \
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linux_hrtimer_start(hrtimer, time); \
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} while (0)
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#define hrtimer_start_range_ns(hrtimer, time, prec, mode) do { \
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CTASSERT((mode) == HRTIMER_MODE_REL); \
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linux_hrtimer_start_range_ns(hrtimer, time, prec); \
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} while (0)
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bool linux_hrtimer_active(struct hrtimer *);
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int linux_hrtimer_cancel(struct hrtimer *);
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void linux_hrtimer_init(struct hrtimer *);
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void linux_hrtimer_set_expires(struct hrtimer *, ktime_t);
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void linux_hrtimer_start(struct hrtimer *, ktime_t);
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void linux_hrtimer_start_range_ns(struct hrtimer *, ktime_t, int64_t);
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#endif /* _LINUX_HRTIMER_H_ */
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