1219820Sjeff/*-
2219820Sjeff * Copyright (c) 2010 Isilon Systems, Inc.
3219820Sjeff * Copyright (c) 2010 iX Systems, Inc.
4219820Sjeff * Copyright (c) 2010 Panasas, Inc.
5219820Sjeff * All rights reserved.
6219820Sjeff *
7219820Sjeff * Redistribution and use in source and binary forms, with or without
8219820Sjeff * modification, are permitted provided that the following conditions
9219820Sjeff * are met:
10219820Sjeff * 1. Redistributions of source code must retain the above copyright
11219820Sjeff *    notice unmodified, this list of conditions, and the following
12219820Sjeff *    disclaimer.
13219820Sjeff * 2. Redistributions in binary form must reproduce the above copyright
14219820Sjeff *    notice, this list of conditions and the following disclaimer in the
15219820Sjeff *    documentation and/or other materials provided with the distribution.
16219820Sjeff *
17219820Sjeff * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18219820Sjeff * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19219820Sjeff * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20219820Sjeff * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21219820Sjeff * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22219820Sjeff * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23219820Sjeff * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24219820Sjeff * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25219820Sjeff * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26219820Sjeff * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27219820Sjeff */
28219820Sjeff#ifndef	_LINUX_KERNEL_H_
29219820Sjeff#define	_LINUX_KERNEL_H_
30219820Sjeff
31219820Sjeff#include <sys/systm.h>
32219820Sjeff#include <sys/param.h>
33219820Sjeff#include <sys/libkern.h>
34219820Sjeff#include <sys/stat.h>
35219820Sjeff#include <sys/smp.h>
36219820Sjeff
37219820Sjeff#include <linux/bitops.h>
38219820Sjeff#include <linux/compiler.h>
39219820Sjeff#include <linux/errno.h>
40219820Sjeff#include <linux/stddef.h>
41219820Sjeff#include <linux/kthread.h>
42219820Sjeff#include <linux/types.h>
43219820Sjeff#include <linux/jiffies.h>
44219820Sjeff#include <linux/wait.h>
45219820Sjeff#include <linux/fs.h>
46219820Sjeff#include <linux/notifier.h>
47219820Sjeff#include <linux/log2.h>
48219820Sjeff#include <asm/byteorder.h>
49219820Sjeff
50219820Sjeff#define	KERN_EMERG	"<0>"
51219820Sjeff#define	KERN_ALERT	"<1>"
52219820Sjeff#define	KERN_CRIT	"<2>"
53219820Sjeff#define	KERN_ERR	"<3>"
54219820Sjeff#define	KERN_WARNING	"<4>"
55219820Sjeff#define	KERN_NOTICE	"<5>"
56219820Sjeff#define	KERN_INFO	"<6>"
57219820Sjeff#define	KERN_DEBUG	"<7>"
58219820Sjeff
59219820Sjeff#define BUG()			panic("BUG")
60219820Sjeff#define BUG_ON(condition)	do { if (condition) BUG(); } while(0)
61219820Sjeff#define	WARN_ON			BUG_ON
62219820Sjeff
63219820Sjeff#undef	ALIGN
64219820Sjeff#define	ALIGN(x, y)		roundup2((x), (y))
65219820Sjeff#define	DIV_ROUND_UP		howmany
66219820Sjeff
67219820Sjeff#define	printk(X...)		printf(X)
68219820Sjeff#define	pr_debug(fmt, ...)	printk(KERN_DEBUG # fmt, ##__VA_ARGS__)
69219820Sjeff#define udelay(t)       	DELAY(t)
70219820Sjeff
71219820Sjeff#define container_of(ptr, type, member)				\
72219820Sjeff({								\
73219820Sjeff	__typeof(((type *)0)->member) *_p = (ptr);		\
74219820Sjeff	(type *)((char *)_p - offsetof(type, member));		\
75219820Sjeff})
76219820Sjeff
77219820Sjeff#define	ARRAY_SIZE(x)	(sizeof(x) / sizeof((x)[0]))
78219820Sjeff
79219820Sjeff#define	simple_strtoul	strtoul
80219820Sjeff
81219820Sjeff#define min(x, y)	(x < y ? x : y)
82219820Sjeff#define max(x, y)	(x > y ? x : y)
83219820Sjeff#define min_t(type, _x, _y)	(type)(_x) < (type)(_y) ? (type)(_x) : (_y)
84219820Sjeff#define max_t(type, _x, _y)	(type)(_x) > (type)(_y) ? (type)(_x) : (_y)
85219820Sjeff
86219820Sjeff#define	num_possible_cpus()	mp_ncpus
87219820Sjeff
88219820Sjeff#endif	/* _LINUX_KERNEL_H_ */
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