/*- * Copyright (c) 2010 Isilon Systems, Inc. * Copyright (c) 2010 iX Systems, Inc. * Copyright (c) 2010 Panasas, Inc. * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _LINUX_TIMER_H_ #define _LINUX_TIMER_H_ #include <linux/types.h> #include <sys/param.h> #include <sys/kernel.h> #include <sys/callout.h> struct timer_list { struct callout callout; union { void (*function) (unsigned long); /* < v4.15 */ void (*function_415) (struct timer_list *); }; unsigned long data; int expires; }; extern unsigned long linux_timer_hz_mask; #define TIMER_IRQSAFE 0x0001 #define from_timer(var, arg, field) \ container_of(arg, typeof(*(var)), field) #define timer_setup(timer, func, flags) do { \ CTASSERT(((flags) & ~TIMER_IRQSAFE) == 0); \ (timer)->function_415 = (func); \ (timer)->data = (unsigned long)(timer); \ callout_init(&(timer)->callout, 1); \ } while (0) #define setup_timer(timer, func, dat) do { \ (timer)->function = (func); \ (timer)->data = (dat); \ callout_init(&(timer)->callout, 1); \ } while (0) #define __setup_timer(timer, func, dat, flags) do { \ CTASSERT(((flags) & ~TIMER_IRQSAFE) == 0); \ setup_timer(timer, func, dat); \ } while (0) #define init_timer(timer) do { \ (timer)->function = NULL; \ (timer)->data = 0; \ callout_init(&(timer)->callout, 1); \ } while (0) extern int mod_timer(struct timer_list *, int); extern void add_timer(struct timer_list *); extern void add_timer_on(struct timer_list *, int cpu); extern int del_timer(struct timer_list *); extern int del_timer_sync(struct timer_list *); #define timer_pending(timer) callout_pending(&(timer)->callout) #define round_jiffies(j) \ ((int)(((j) + linux_timer_hz_mask) & ~linux_timer_hz_mask)) #define round_jiffies_relative(j) round_jiffies(j) #define round_jiffies_up(j) round_jiffies(j) #define round_jiffies_up_relative(j) round_jiffies_up(j) #endif /* _LINUX_TIMER_H_ */ |