1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013-2015 Mellanox Technologies, Ltd.
6 * Copyright (c) 2014 Fran��ois Tigeot
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice unmodified, this list of conditions, and the following
14 *    disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $FreeBSD: stable/11/sys/compat/linuxkpi/common/include/linux/delay.h 330851 2018-03-13 16:17:36Z hselasky $
31 */
32#ifndef _LINUX_DELAY_H_
33#define	_LINUX_DELAY_H_
34
35#include <linux/jiffies.h>
36#include <sys/systm.h>
37
38static inline void
39linux_msleep(unsigned int ms)
40{
41	/* guard against invalid values */
42	if (ms == 0)
43		ms = 1;
44	pause_sbt("lnxsleep", mstosbt(ms), 0, C_HARDCLOCK);
45}
46
47#undef msleep
48#define	msleep(ms) linux_msleep(ms)
49
50#undef msleep_interruptible
51#define	msleep_interruptible(ms) linux_msleep_interruptible(ms)
52
53#define	udelay(t)	DELAY(t)
54
55static inline void
56mdelay(unsigned long msecs)
57{
58	while (msecs--)
59		DELAY(1000);
60}
61
62static inline void
63ndelay(unsigned long x)
64{
65	DELAY(howmany(x, 1000));
66}
67
68static inline void
69usleep_range(unsigned long min, unsigned long max)
70{
71	DELAY(min);
72}
73
74extern unsigned int linux_msleep_interruptible(unsigned int ms);
75
76#endif	/* _LINUX_DELAY_H_ */
77