sys/ofed/include/linux/timer.h

   1 /*-
   2  * Copyright (c) 2010 Isilon Systems, Inc.
   3  * Copyright (c) 2010 iX Systems, Inc.
   4  * Copyright (c) 2010 Panasas, Inc.
   5  * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice unmodified, this list of conditions, and the following
  13  *    disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29 #ifndef _LINUX_TIMER_H_
  30 #define _LINUX_TIMER_H_
  31
  32 #include <linux/types.h>
  33
  34 #include <sys/param.h>
  35 #include <sys/kernel.h>
  36 #include <sys/callout.h>
  37
  38 struct timer_list {
  39         struct callout timer_callout;
  40         void    (*function) (unsigned long);
  41         unsigned long data;
  42         unsigned long expires;
  43 };
  44
  45 extern unsigned long linux_timer_hz_mask;
  46
  47 #define setup_timer(timer, func, dat)                                   \
  48 do {                                                                    \
  49         (timer)->function = (func);                                     \
  50         (timer)->data = (dat);                                          \
  51         callout_init(&(timer)->timer_callout, CALLOUT_MPSAFE);          \
  52 } while (0)
  53
  54 #define init_timer(timer)                                               \
  55 do {                                                                    \
  56         (timer)->function = NULL;                                       \
  57         (timer)->data = 0;                                              \
  58         callout_init(&(timer)->timer_callout, CALLOUT_MPSAFE);          \
  59 } while (0)
  60
  61 extern void mod_timer(struct timer_list *, unsigned long);
  62 extern void add_timer(struct timer_list *);
  63
  64 #define del_timer(timer)        callout_stop(&(timer)->timer_callout)
  65 #define del_timer_sync(timer)   callout_drain(&(timer)->timer_callout)
  66 #define timer_pending(timer)    callout_pending(&(timer)->timer_callout)
  67 #define round_jiffies(j) \
  68         ((unsigned long)(((j) + linux_timer_hz_mask) & ~linux_timer_hz_mask))
  69 #define round_jiffies_relative(j) \
  70         round_jiffies(j)
  71
  72 #endif                                  /* _LINUX_TIMER_H_ */