188 lines
5.7 KiB
C
188 lines
5.7 KiB
C
/*-
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* Copyright (c) 2010 Isilon Systems, Inc.
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* Copyright (c) 2010 iX Systems, Inc.
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* Copyright (c) 2010 Panasas, Inc.
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* Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUX_KERNEL_H_
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#define _LINUX_KERNEL_H_
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/param.h>
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#include <sys/libkern.h>
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#include <sys/stat.h>
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#include <sys/smp.h>
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#include <sys/stddef.h>
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#include <sys/syslog.h>
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#include <linux/bitops.h>
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#include <linux/compiler.h>
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#include <linux/errno.h>
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#include <linux/kthread.h>
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#include <linux/types.h>
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#include <linux/jiffies.h>
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#include <linux/wait.h>
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#include <linux/log2.h>
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#include <asm/byteorder.h>
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#define KERN_CONT ""
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#define KERN_EMERG "<0>"
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#define KERN_ALERT "<1>"
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#define KERN_CRIT "<2>"
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#define KERN_ERR "<3>"
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#define KERN_WARNING "<4>"
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#define KERN_NOTICE "<5>"
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#define KERN_INFO "<6>"
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#define KERN_DEBUG "<7>"
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#define BUILD_BUG_ON(x) CTASSERT(!(x))
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#define BUG() panic("BUG")
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#define BUG_ON(condition) do { if (condition) BUG(); } while(0)
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#define WARN_ON BUG_ON
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#undef ALIGN
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#define ALIGN(x, y) roundup2((x), (y))
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#undef PTR_ALIGN
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#define PTR_ALIGN(p, a) ((__typeof(p))ALIGN((uintptr_t)(p), (a)))
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#define DIV_ROUND_UP howmany
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#define FIELD_SIZEOF(t, f) sizeof(((t *)0)->f)
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#define printk(X...) printf(X)
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/*
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* The "pr_debug()" and "pr_devel()" macros should produce zero code
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* unless DEBUG is defined:
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*/
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#ifdef DEBUG
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#define pr_debug(fmt, ...) \
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log(LOG_DEBUG, fmt, ##__VA_ARGS__)
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#define pr_devel(fmt, ...) \
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log(LOG_DEBUG, pr_fmt(fmt), ##__VA_ARGS__)
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#else
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#define pr_debug(fmt, ...) \
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({ if (0) log(LOG_DEBUG, fmt, ##__VA_ARGS__); 0; })
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#define pr_devel(fmt, ...) \
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({ if (0) log(LOG_DEBUG, pr_fmt(fmt), ##__VA_ARGS__); 0; })
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#endif
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#define udelay(t) DELAY(t)
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#define usleep_range(min,max) DELAY(min)
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#ifndef pr_fmt
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#define pr_fmt(fmt) fmt
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#endif
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/*
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* Print a one-time message (analogous to WARN_ONCE() et al):
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*/
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#define printk_once(...) do { \
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static bool __print_once; \
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\
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if (!__print_once) { \
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__print_once = true; \
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printk(__VA_ARGS__); \
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} \
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} while (0)
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/*
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* Log a one-time message (analogous to WARN_ONCE() et al):
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*/
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#define log_once(level,...) do { \
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static bool __log_once; \
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\
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if (!__log_once) { \
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__log_once = true; \
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log(level, __VA_ARGS__); \
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} \
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} while (0)
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#define pr_emerg(fmt, ...) \
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log(LOG_EMERG, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_alert(fmt, ...) \
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log(LOG_ALERT, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_crit(fmt, ...) \
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log(LOG_CRIT, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_err(fmt, ...) \
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log(LOG_ERR, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_warning(fmt, ...) \
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log(LOG_WARNING, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_warn pr_warning
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#define pr_notice(fmt, ...) \
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log(LOG_NOTICE, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_info(fmt, ...) \
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log(LOG_INFO, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_info_once(fmt, ...) \
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log_once(LOG_INFO, pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_cont(fmt, ...) \
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printk(KERN_CONT fmt, ##__VA_ARGS__)
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#ifndef WARN
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#define WARN(condition, format...) ({ \
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int __ret_warn_on = !!(condition); \
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if (unlikely(__ret_warn_on)) \
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pr_warning(format); \
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unlikely(__ret_warn_on); \
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})
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#endif
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#define container_of(ptr, type, member) \
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({ \
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__typeof(((type *)0)->member) *_p = (ptr); \
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(type *)((char *)_p - offsetof(type, member)); \
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})
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#define simple_strtoul strtoul
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#define simple_strtol strtol
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#define kstrtol(a,b,c) ({*(c) = strtol(a,0,b);})
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#define min(x, y) ((x) < (y) ? (x) : (y))
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#define max(x, y) ((x) > (y) ? (x) : (y))
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#define min_t(type, _x, _y) ((type)(_x) < (type)(_y) ? (type)(_x) : (type)(_y))
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#define max_t(type, _x, _y) ((type)(_x) > (type)(_y) ? (type)(_x) : (type)(_y))
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/*
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* This looks more complex than it should be. But we need to
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* get the type for the ~ right in round_down (it needs to be
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* as wide as the result!), and we want to evaluate the macro
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* arguments just once each.
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*/
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#define __round_mask(x, y) ((__typeof__(x))((y)-1))
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#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
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#define round_down(x, y) ((x) & ~__round_mask(x, y))
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#define num_possible_cpus() mp_ncpus
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#define num_online_cpus() mp_ncpus
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typedef struct pm_message {
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int event;
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} pm_message_t;
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#endif /* _LINUX_KERNEL_H_ */
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