timer.h

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    1 /*
    2  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
    3  *  Copyright (C) 2007 The Regents of the University of California.
    4  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
    5  *  Written by Brian Behlendorf <behlendorf1@llnl.gov>.
    6  *  UCRL-CODE-235197
    7  *
    8  *  This file is part of the SPL, Solaris Porting Layer.
    9  *
   10  *  The SPL is free software; you can redistribute it and/or modify it
   11  *  under the terms of the GNU General Public License as published by the
   12  *  Free Software Foundation; either version 2 of the License, or (at your
   13  *  option) any later version.
   14  *
   15  *  The SPL is distributed in the hope that it will be useful, but WITHOUT
   16  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   17  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   18  *  for more details.
   19  *
   20  *  You should have received a copy of the GNU General Public License along
   21  *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
   22  */
   23 
   24 #ifndef _SPL_TIMER_H
   25 #define _SPL_TIMER_H
   26 
   27 #include <linux/module.h>
   28 #include <linux/delay.h>
   29 #include <linux/sched.h>
   30 #include <linux/time.h>
   31 #include <linux/timer.h>
   32 
   33 #define lbolt                           ((clock_t)jiffies)
   34 #define lbolt64                         ((int64_t)get_jiffies_64())
   35 
   36 #define ddi_get_lbolt()                 ((clock_t)jiffies)
   37 #define ddi_get_lbolt64()               ((int64_t)get_jiffies_64())
   38 
   39 #define ddi_time_before(a, b)           (typecheck(clock_t, a) && \
   40                                         typecheck(clock_t, b) && \
   41                                         ((a) - (b) < 0))
   42 #define ddi_time_after(a, b)            ddi_time_before(b, a)
   43 #define ddi_time_before_eq(a, b)        (!ddi_time_after(a, b))
   44 #define ddi_time_after_eq(a, b)         ddi_time_before_eq(b, a)
   45 
   46 #define ddi_time_before64(a, b)         (typecheck(int64_t, a) && \
   47                                         typecheck(int64_t, b) && \
   48                                         ((a) - (b) < 0))
   49 #define ddi_time_after64(a, b)          ddi_time_before64(b, a)
   50 #define ddi_time_before_eq64(a, b)      (!ddi_time_after64(a, b))
   51 #define ddi_time_after_eq64(a, b)       ddi_time_before_eq64(b, a)
   52 
   53 #define delay(ticks)                    schedule_timeout_uninterruptible(ticks)
   54 
   55 #define SEC_TO_TICK(sec)                ((sec) * HZ)
   56 #define MSEC_TO_TICK(ms)                msecs_to_jiffies(ms)
   57 #define USEC_TO_TICK(us)                usecs_to_jiffies(us)
   58 #define NSEC_TO_TICK(ns)                usecs_to_jiffies(ns / NSEC_PER_USEC)
   59 
   60 #ifndef from_timer
   61 #define from_timer(var, timer, timer_field) \
   62         container_of(timer, typeof(*var), timer_field)
   63 #endif
   64 
   65 #ifdef HAVE_KERNEL_TIMER_FUNCTION_TIMER_LIST
   66 typedef struct timer_list *spl_timer_list_t;
   67 #else
   68 typedef unsigned long spl_timer_list_t;
   69 #endif
   70 
   71 #ifndef HAVE_KERNEL_TIMER_SETUP
   72 
   73 static inline void
   74 timer_setup(struct timer_list *timer, void (*func)(spl_timer_list_t), u32 fl)
   75 {
   76 #ifdef HAVE_KERNEL_TIMER_LIST_FLAGS
   77         (timer)->flags = fl;
   78 #endif
   79         init_timer(timer);
   80         setup_timer(timer, func, (spl_timer_list_t)(timer));
   81 }
   82 
   83 #endif /* HAVE_KERNEL_TIMER_SETUP */
   84 
   85 #endif  /* _SPL_TIMER_H */

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/include/os/linux/spl/sys/timer.h

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/include/os/linux/spl/sys/timer.h