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/*
* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
* Copyright (C) 2007 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* UCRL-CODE-235197
*
* This file is part of the SPL, Solaris Porting Layer.
*
* The SPL is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* The SPL is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with the SPL. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SPL_TIMER_H
#define _SPL_TIMER_H
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/time.h>
#include <linux/timer.h>
#define lbolt ((clock_t)jiffies)
#define lbolt64 ((int64_t)get_jiffies_64())
#define ddi_get_lbolt() ((clock_t)jiffies)
#define ddi_get_lbolt64() ((int64_t)get_jiffies_64())
#define ddi_time_before(a, b) (typecheck(clock_t, a) && \
typecheck(clock_t, b) && \
((a) - (b) < 0))
#define ddi_time_after(a, b) ddi_time_before(b, a)
#define ddi_time_before_eq(a, b) (!ddi_time_after(a, b))
#define ddi_time_after_eq(a, b) ddi_time_before_eq(b, a)
#define ddi_time_before64(a, b) (typecheck(int64_t, a) && \
typecheck(int64_t, b) && \
((a) - (b) < 0))
#define ddi_time_after64(a, b) ddi_time_before64(b, a)
#define ddi_time_before_eq64(a, b) (!ddi_time_after64(a, b))
#define ddi_time_after_eq64(a, b) ddi_time_before_eq64(b, a)
#define delay(ticks) schedule_timeout_uninterruptible(ticks)
#define SEC_TO_TICK(sec) ((sec) * HZ)
#define MSEC_TO_TICK(ms) msecs_to_jiffies(ms)
#define USEC_TO_TICK(us) usecs_to_jiffies(us)
#define NSEC_TO_TICK(ns) usecs_to_jiffies(ns / NSEC_PER_USEC)
#ifndef from_timer
#define from_timer(var, timer, timer_field) \
container_of(timer, typeof(*var), timer_field)
#endif
#ifdef HAVE_KERNEL_TIMER_FUNCTION_TIMER_LIST
typedef struct timer_list *spl_timer_list_t;
#else
typedef unsigned long spl_timer_list_t;
#endif
#ifndef HAVE_KERNEL_TIMER_SETUP
static inline void
timer_setup(struct timer_list *timer, void (*func)(spl_timer_list_t), u32 fl)
{
#ifdef HAVE_KERNEL_TIMER_LIST_FLAGS
(timer)->flags = fl;
#endif
init_timer(timer);
setup_timer(timer, func, (spl_timer_list_t)(timer));
}
#endif /* HAVE_KERNEL_TIMER_SETUP */
#endif /* _SPL_TIMER_H */
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