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 #endif /* _SPL_TIMER_H */ 66