FreeBSD/Linux Kernel Cross Reference
sys/compat/linuxkpi/common/include/linux/hrtimer.h

     /*-
      * Copyright (c) 2017 Mark Johnston <markj@FreeBSD.org>
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice unmodified, this list of conditions, and the following
      *    disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    #ifndef _LINUXKPI_LINUX_HRTIMER_H_
    #define _LINUXKPI_LINUX_HRTIMER_H_
    
    #include <sys/_callout.h>
    #include <sys/_mutex.h>
    
    #include <linux/ktime.h>
    #include <linux/timer.h>
    
    enum hrtimer_mode {
            HRTIMER_MODE_REL,
            HRTIMER_MODE_REL_PINNED = HRTIMER_MODE_REL,
    };
    
    enum hrtimer_restart {
            HRTIMER_RESTART,
            HRTIMER_NORESTART,
    };
    
    struct hrtimer {
            enum hrtimer_restart (*function)(struct hrtimer *);
            struct mtx mtx;
            struct callout callout;
            s64 expires;    /* relative time in nanoseconds */
            s64 precision;  /* in nanoseconds */
    };
    
    #define hrtimer_active(hrtimer) linux_hrtimer_active(hrtimer)
    #define hrtimer_try_to_cancel(hrtimer)  linux_hrtimer_try_to_cancel(hrtimer)
    #define hrtimer_cancel(hrtimer) linux_hrtimer_cancel(hrtimer)
    
    #define hrtimer_init(hrtimer, clock, mode) do {                 \
            CTASSERT((clock) == CLOCK_MONOTONIC);                   \
            CTASSERT((mode) == HRTIMER_MODE_REL);                   \
            linux_hrtimer_init(hrtimer);                            \
    } while (0)
    
    #define hrtimer_set_expires(hrtimer, time)                      \
            linux_hrtimer_set_expires(hrtimer, time)
    
    #define hrtimer_start(hrtimer, time, mode) do {                 \
            CTASSERT((mode) == HRTIMER_MODE_REL);                   \
            linux_hrtimer_start(hrtimer, time);                     \
    } while (0)
    
    #define hrtimer_start_range_ns(hrtimer, time, prec, mode) do {  \
            CTASSERT((mode) == HRTIMER_MODE_REL);                   \
            linux_hrtimer_start_range_ns(hrtimer, time, prec);      \
    } while (0)
    
    #define hrtimer_forward_now(hrtimer, interval) do {             \
            linux_hrtimer_forward_now(hrtimer, interval);           \
    } while (0)
    
    bool    linux_hrtimer_active(struct hrtimer *);
    int     linux_hrtimer_try_to_cancel(struct hrtimer *);
    int     linux_hrtimer_cancel(struct hrtimer *);
    void    linux_hrtimer_init(struct hrtimer *);
    void    linux_hrtimer_set_expires(struct hrtimer *, ktime_t);
    void    linux_hrtimer_start(struct hrtimer *, ktime_t);
    void    linux_hrtimer_start_range_ns(struct hrtimer *, ktime_t, int64_t);
    void    linux_hrtimer_forward_now(struct hrtimer *, ktime_t);
    
    #endif /* _LINUXKPI_LINUX_HRTIMER_H_ */

Cache object: e1df74e65cba8eae42524ff2b829946e