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#ifndef _LINUX_KERNEL_H

#define _LINUX_KERNEL_H

/*

 * 'kernel.h' contains some often-used function prototypes etc

 */

#ifdef __KERNEL__

#include <linuxcomp.h>

#include <linux/linkage.h>

#include <linux/stddef.h>

#include <linux/types.h>

#include <linux/compiler.h>

#include <asm/byteorder.h>

#include <asm/bug.h>

//#define INT_MAX               ((int)(~0U>>1))

//#define INT_MIN               (-INT_MAX - 1)

//#define UINT_MAX      (~0U)

//#define LONG_MAX      ((long)(~0UL>>1))

//#define LONG_MIN      (-LONG_MAX - 1)

//#define ULONG_MAX     (~0UL)

#define STACK_MAGIC     0xdeadbeef

#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))

#define ALIGN(x,a) (((x)+(a)-1)&~((a)-1))

#define KERN_EMERG      "<0>"   /* system is unusable                   */

#define KERN_ALERT      "<1>"   /* action must be taken immediately     */

#define KERN_CRIT       "<2>"   /* critical conditions                  */

#define KERN_ERR        "<3>"   /* error conditions                     */

#define KERN_WARNING    "<4>"   /* warning conditions                   */

#define KERN_NOTICE     "<5>"   /* normal but significant condition     */

#define KERN_INFO       "<6>"   /* informational                        */

#define KERN_DEBUG      "<7>"   /* debug-level messages                 */

extern int console_printk[];

#define console_loglevel (console_printk[0])

#define default_message_loglevel (console_printk[1])

#define minimum_console_loglevel (console_printk[2])

#define default_console_loglevel (console_printk[3])

struct completion;

#ifdef CONFIG_DEBUG_SPINLOCK_SLEEP

void __might_sleep(char *file, int line);

#define might_sleep() __might_sleep(__FILE__, __LINE__)

#define might_sleep_if(cond) do { if (unlikely(cond)) might_sleep(); } while (0)

#else

#define might_sleep() do {} while(0)

#define might_sleep_if(cond) do {} while (0)

#endif

extern struct notifier_block *panic_notifier_list;

NORET_TYPE void panic(const char * fmt, ...)

        __attribute__ ((NORET_AND format (printf, 1, 2)));

asmlinkage NORET_TYPE void do_exit(long error_code)

        ATTRIB_NORET;

NORET_TYPE void complete_and_exit(struct completion *, long)

        ATTRIB_NORET;

extern int abs(int);

extern unsigned long simple_strtoul(const char *,char **,unsigned int);

extern long simple_strtol(const char *,char **,unsigned int);

extern unsigned long long simple_strtoull(const char *,char **,unsigned int);

extern long long simple_strtoll(const char *,char **,unsigned int);

extern int sprintf(char * buf, const char * fmt, ...)

        __attribute__ ((format (printf, 2, 3)));

extern int vsprintf(char *buf, const char *, va_list);

extern int snprintf(char * buf, size_t size, const char * fmt, ...)

        __attribute__ ((format (printf, 3, 4)));

extern int vsnprintf(char *buf, size_t size, const char *fmt, va_list args);

extern int sscanf(const char *, const char *, ...)

        __attribute__ ((format (scanf,2,3)));

extern int vsscanf(const char *, const char *, va_list);

extern int get_option(char **str, int *pint);

extern char *get_options(const char *str, int nints, int *ints);

extern unsigned long long memparse(char *ptr, char **retptr);

extern int kernel_text_address(unsigned long addr);

extern int session_of_pgrp(int pgrp);

asmlinkage int printk(const char * fmt, ...)

        __attribute__ ((format (printf, 1, 2)));

static inline void console_silent(void)

{

        console_loglevel = 0;

}

static inline void console_verbose(void)

{

        if (console_loglevel)

                console_loglevel = 15;

}

extern void bust_spinlocks(int yes);

extern int oops_in_progress;            /* If set, an oops, panic(), BUG() or die() is in progress */

extern int panic_on_oops;

extern int system_running;

extern int tainted;

extern const char *print_tainted(void);

#define TAINT_PROPRIETARY_MODULE        (1<<0)

#define TAINT_FORCED_MODULE             (1<<1)

#define TAINT_UNSAFE_SMP                (1<<2)

#define TAINT_FORCED_RMMOD              (1<<3)

extern void dump_stack(void);

#ifdef DEBUG

#define pr_debug(fmt,arg...) \

        printk(KERN_DEBUG fmt,##arg)

#else

#define pr_debug(fmt,arg...) \

        do { } while (0)

#endif

#define pr_info(fmt,arg...) \

        printk(KERN_INFO fmt,##arg)

/*

 *      Display an IP address in readable format.

 */

#define NIPQUAD(addr) \

        ((unsigned char *)&addr)[0], \

        ((unsigned char *)&addr)[1], \

        ((unsigned char *)&addr)[2], \

        ((unsigned char *)&addr)[3]

#define NIP6(addr) \

        ntohs((addr).s6_addr16[0]), \

        ntohs((addr).s6_addr16[1]), \

        ntohs((addr).s6_addr16[2]), \

        ntohs((addr).s6_addr16[3]), \

        ntohs((addr).s6_addr16[4]), \

        ntohs((addr).s6_addr16[5]), \

        ntohs((addr).s6_addr16[6]), \

        ntohs((addr).s6_addr16[7])

#if defined(__LITTLE_ENDIAN)

#define HIPQUAD(addr) \

        ((unsigned char *)&addr)[3], \

        ((unsigned char *)&addr)[2], \

        ((unsigned char *)&addr)[1], \

        ((unsigned char *)&addr)[0]

#elif defined(__BIG_ENDIAN)

#define HIPQUAD NIPQUAD

#else

#error "Please fix asm/byteorder.h"

#endif /* __LITTLE_ENDIAN */

/*

 * min()/max() macros that also do

 * strict type-checking.. See the

 * "unnecessary" pointer comparison.

 */

#define min(x,y) ({ \

        const typeof(x) _x = (x);       \

        const typeof(y) _y = (y);       \

        (void) (&_x == &_y);            \

        _x < _y ? _x : _y; })

#define max(x,y) ({ \

        const typeof(x) _x = (x);       \

        const typeof(y) _y = (y);       \

        (void) (&_x == &_y);            \

        _x > _y ? _x : _y; })

/*

 * ..and if you can't take the strict

 * types, you can specify one yourself.

 *

 * Or not use min/max at all, of course.

 */

#define min_t(type,x,y) \

        ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })

#define max_t(type,x,y) \

        ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })

/**

 * container_of - cast a member of a structure out to the containing structure

 *

 * @ptr:        the pointer to the member.

 * @type:       the type of the container struct this is embedded in.

 * @member:     the name of the member within the struct.

 *

 */

#define container_of(ptr, type, member) ({                      \

        const typeof( ((type *)0)->member ) *__mptr = (ptr);    \

        (type *)( (char *)__mptr - offsetof(type,member) );})

/*

 * Check at compile time that something is of a particular type.

 * Always evaluates to 1 so you may use it easily in comparisons.

 */

#define typecheck(type,x) \

({      type __dummy; \

        typeof(x) __dummy2; \

        (void)(&__dummy == &__dummy2); \

        1; \

})

#endif /* __KERNEL__ */

#define SI_LOAD_SHIFT   16

struct sysinfo {

        long uptime;                    /* Seconds since boot */

        unsigned long loads[3];         /* 1, 5, and 15 minute load averages */

        unsigned long totalram;         /* Total usable main memory size */

        unsigned long freeram;          /* Available memory size */

        unsigned long sharedram;        /* Amount of shared memory */

        unsigned long bufferram;        /* Memory used by buffers */

        unsigned long totalswap;        /* Total swap space size */

        unsigned long freeswap;         /* swap space still available */

        unsigned short procs;           /* Number of current processes */

        unsigned short pad;             /* explicit padding for m68k */

        unsigned long totalhigh;        /* Total high memory size */

        unsigned long freehigh;         /* Available high memory size */

        unsigned int mem_unit;          /* Memory unit size in bytes */

        char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */

};

extern void BUILD_BUG(void);

#define BUILD_BUG_ON(condition) do { if (condition) BUILD_BUG(); } while(0)

/* Trap pasters of __FUNCTION__ at compile-time */

#if __GNUC__ > 2 || __GNUC_MINOR__ >= 95

#define __FUNCTION__ (__func__)

#endif

#endif