1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. 4 * Copyright (C) 2007 The Regents of the University of California. 5 * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). 6 * Written by Brian Behlendorf <behlendorf1@llnl.gov>. 7 * UCRL-CODE-235197 8 * 9 * This file is part of the SPL, Solaris Porting Layer. 10 * 11 * The SPL is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the 13 * Free Software Foundation; either version 2 of the License, or (at your 14 * option) any later version. 15 * 16 * The SPL is distributed in the hope that it will be useful, but WITHOUT 17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 19 * for more details. 20 * 21 * You should have received a copy of the GNU General Public License along 22 * with the SPL. If not, see <http://www.gnu.org/licenses/>. 23 */ 24 25 #ifndef _SPL_TIMER_H 26 #define _SPL_TIMER_H 27 28 #include <linux/module.h> 29 #include <linux/delay.h> 30 #include <linux/sched.h> 31 #include <linux/time.h> 32 #include <linux/timer.h> 33 34 #define lbolt ((clock_t)jiffies) 35 #define lbolt64 ((int64_t)get_jiffies_64()) 36 37 #define ddi_get_lbolt() ((clock_t)jiffies) 38 #define ddi_get_lbolt64() ((int64_t)get_jiffies_64()) 39 40 #define ddi_time_before(a, b) (typecheck(clock_t, a) && \ 41 typecheck(clock_t, b) && \ 42 ((a) - (b) < 0)) 43 #define ddi_time_after(a, b) ddi_time_before(b, a) 44 #define ddi_time_before_eq(a, b) (!ddi_time_after(a, b)) 45 #define ddi_time_after_eq(a, b) ddi_time_before_eq(b, a) 46 47 #define ddi_time_before64(a, b) (typecheck(int64_t, a) && \ 48 typecheck(int64_t, b) && \ 49 ((a) - (b) < 0)) 50 #define ddi_time_after64(a, b) ddi_time_before64(b, a) 51 #define ddi_time_before_eq64(a, b) (!ddi_time_after64(a, b)) 52 #define ddi_time_after_eq64(a, b) ddi_time_before_eq64(b, a) 53 54 #define delay(ticks) schedule_timeout_uninterruptible(ticks) 55 56 #define SEC_TO_TICK(sec) ((sec) * HZ) 57 #define MSEC_TO_TICK(ms) msecs_to_jiffies(ms) 58 #define USEC_TO_TICK(us) usecs_to_jiffies(us) 59 #define NSEC_TO_TICK(ns) usecs_to_jiffies(ns / NSEC_PER_USEC) 60 61 #ifndef from_timer 62 #define from_timer(var, timer, timer_field) \ 63 container_of(timer, typeof(*var), timer_field) 64 #endif 65 66 #endif /* _SPL_TIMER_H */ 67