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.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice unmodified, this list of conditions, and the following
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.
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.
31 #ifndef _LINUX_TIMER_H_
32 #define _LINUX_TIMER_H_
34 #include <linux/types.h>
36 #include <sys/param.h>
37 #include <sys/kernel.h>
38 #include <sys/callout.h>
41 struct callout callout;
43 void (*function) (unsigned long); /* < v4.15 */
44 void (*function_415) (struct timer_list *);
50 extern unsigned long linux_timer_hz_mask;
52 #define TIMER_IRQSAFE 0x0001
54 #define from_timer(var, arg, field) \
55 container_of(arg, typeof(*(var)), field)
57 #define timer_setup(timer, func, flags) do { \
58 CTASSERT(((flags) & ~TIMER_IRQSAFE) == 0); \
59 (timer)->function_415 = (func); \
60 (timer)->data = (unsigned long)(timer); \
61 callout_init(&(timer)->callout, 1); \
64 #define setup_timer(timer, func, dat) do { \
65 (timer)->function = (func); \
66 (timer)->data = (dat); \
67 callout_init(&(timer)->callout, 1); \
70 #define __setup_timer(timer, func, dat, flags) do { \
71 CTASSERT(((flags) & ~TIMER_IRQSAFE) == 0); \
72 setup_timer(timer, func, dat); \
75 #define init_timer(timer) do { \
76 (timer)->function = NULL; \
78 callout_init(&(timer)->callout, 1); \
81 extern void mod_timer(struct timer_list *, int);
82 extern void add_timer(struct timer_list *);
83 extern void add_timer_on(struct timer_list *, int cpu);
84 extern int del_timer(struct timer_list *);
86 #define del_timer_sync(timer) (void)callout_drain(&(timer)->callout)
87 #define timer_pending(timer) callout_pending(&(timer)->callout)
88 #define round_jiffies(j) \
89 ((int)(((j) + linux_timer_hz_mask) & ~linux_timer_hz_mask))
90 #define round_jiffies_relative(j) round_jiffies(j)
91 #define round_jiffies_up(j) round_jiffies(j)
92 #define round_jiffies_up_relative(j) round_jiffies_up(j)
94 #endif /* _LINUX_TIMER_H_ */