1 /*- 2 * Copyright (c) 2010 Isilon Systems, Inc. 3 * Copyright (c) 2010 iX Systems, Inc. 4 * Copyright (c) 2010 Panasas, Inc. 5 * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice unmodified, this list of conditions, and the following 13 * disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 #ifndef _LINUX_TIMER_H_ 32 #define _LINUX_TIMER_H_ 33 34 #include <linux/types.h> 35 36 #include <sys/param.h> 37 #include <sys/kernel.h> 38 #include <sys/callout.h> 39 40 struct timer_list { 41 struct callout timer_callout; 42 void (*function) (unsigned long); 43 unsigned long data; 44 unsigned long expires; 45 }; 46 47 extern unsigned long linux_timer_hz_mask; 48 49 #define TIMER_IRQSAFE 0x0001 50 51 #define setup_timer(timer, func, dat) do { \ 52 (timer)->function = (func); \ 53 (timer)->data = (dat); \ 54 callout_init(&(timer)->timer_callout, 1); \ 55 } while (0) 56 57 #define __setup_timer(timer, func, dat, flags) do { \ 58 CTASSERT(((flags) & ~TIMER_IRQSAFE) == 0); \ 59 setup_timer(timer, func, dat); \ 60 } while (0) 61 62 #define init_timer(timer) do { \ 63 (timer)->function = NULL; \ 64 (timer)->data = 0; \ 65 callout_init(&(timer)->timer_callout, 1); \ 66 } while (0) 67 68 extern void mod_timer(struct timer_list *, unsigned long); 69 extern void add_timer(struct timer_list *); 70 extern void add_timer_on(struct timer_list *, int cpu); 71 72 #define del_timer(timer) callout_stop(&(timer)->timer_callout) 73 #define del_timer_sync(timer) callout_drain(&(timer)->timer_callout) 74 #define timer_pending(timer) callout_pending(&(timer)->timer_callout) 75 #define round_jiffies(j) \ 76 ((unsigned long)(((j) + linux_timer_hz_mask) & ~linux_timer_hz_mask)) 77 #define round_jiffies_relative(j) round_jiffies(j) 78 #define round_jiffies_up(j) round_jiffies(j) 79 #define round_jiffies_up_relative(j) round_jiffies_up(j) 80 81 #endif /* _LINUX_TIMER_H_ */ 82