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/*-
* Copyright (c) 2010 Isilon Systems, Inc.
* Copyright (c) 2010 iX Systems, Inc.
* Copyright (c) 2010 Panasas, Inc.
* Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
* All rights reserved.
*
* 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.
*/
#ifndef _LINUX_TIMER_H_
#define _LINUX_TIMER_H_
#include <linux/types.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/callout.h>
struct timer_list {
struct callout timer_callout;
void (*function)(unsigned long);
unsigned long data;
unsigned long expires;
};
static inline void
_timer_fn(void *context)
{
struct timer_list *timer;
timer = context;
timer->function(timer->data);
}
#define setup_timer(timer, func, dat) \
do { \
(timer)->function = (func); \
(timer)->data = (dat); \
callout_init(&(timer)->timer_callout, CALLOUT_MPSAFE); \
} while (0)
#define init_timer(timer) \
do { \
(timer)->function = NULL; \
(timer)->data = 0; \
callout_init(&(timer)->timer_callout, CALLOUT_MPSAFE); \
} while (0)
#define mod_timer(timer, exp) \
do { \
(timer)->expires = (exp); \
callout_reset(&(timer)->timer_callout, (exp) - jiffies, \
_timer_fn, (timer)); \
} while (0)
#define add_timer(timer) \
callout_reset(&(timer)->timer_callout, \
(timer)->expires - jiffies, _timer_fn, (timer))
#define del_timer(timer) callout_stop(&(timer)->timer_callout)
#define del_timer_sync(timer) callout_drain(&(timer)->timer_callout)
#define timer_pending(timer) callout_pending(&(timer)->timer_callout)
static inline unsigned long
round_jiffies(unsigned long j)
{
return roundup(j, hz);
}
#define round_jiffies_relative(j) round_jiffies(j)
#endif /* _LINUX_TIMER_H_ */
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