| 1 | #ifndef _LINUX_KERNEL_H
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| 2 | #define _LINUX_KERNEL_H
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| 3 |
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| 4 | /*
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| 5 | * 'kernel.h' contains some often-used function prototypes etc
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| 6 | */
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| 7 |
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| 8 | #ifdef __KERNEL__
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| 9 |
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| 10 | #include <stdlib.h>
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| 11 | #include <stdarg.h>
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| 12 | //#include <linux/linkage.h>
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| 13 | #include <linux/bitops.h>
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| 14 | #include <linux/gfp.h>
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| 15 | #include <linux/types.h>
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| 16 | #include <linux/log2.h>
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| 17 |
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| 18 | /* Optimization barrier */
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| 19 | /* The "volatile" is due to gcc bugs */
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| 20 | //#define barrier() __asm__ __volatile__("": : :"memory")
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| 21 | #define barrier()
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| 22 |
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| 23 | #define STACK_MAGIC 0xdeadbeef
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| 24 |
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| 25 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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| 26 |
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| 27 | #define KERN_EMERG "<0>" /* system is unusable */
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| 28 | #define KERN_ALERT "<1>" /* action must be taken immediately */
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| 29 | #define KERN_CRIT "<2>" /* critical conditions */
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| 30 | #define KERN_ERR "<3>" /* error conditions */
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| 31 | #define KERN_WARNING "<4>" /* warning conditions */
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| 32 | #define KERN_NOTICE "<5>" /* normal but significant condition */
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| 33 | #define KERN_INFO "<6>" /* informational */
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| 34 | #define KERN_DEBUG "<7>" /* debug-level messages */
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| 35 |
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| 36 | # define NORET_TYPE /**/
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| 37 | # define ATTRIB_NORET __attribute__((noreturn))
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| 38 | # define NORET_AND noreturn,
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| 39 |
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| 40 | #ifdef __i386__
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| 41 | #define FASTCALL(x) x __attribute__((regparm(3)))
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| 42 | #else
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| 43 | #define FASTCALL(x) x
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| 44 | #endif
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| 45 |
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| 46 | extern void math_error(void);
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| 47 | extern struct notifier_block *panic_notifier_list;
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| 48 | NORET_TYPE void panic(const char * fmt, ...);
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| 49 |
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| 50 | NORET_TYPE void do_exit(long error_code);
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| 51 |
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| 52 | #define simple_strtoul strtoul
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| 53 | extern long simple_strtol(const char *,char **,unsigned int);
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| 54 | extern int sprintf(char * buf, const char * fmt, ...);
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| 55 | extern int vsprintf(char *buf, const char *, va_list);
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| 56 | extern int get_option(char **str, int *pint);
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| 57 | extern char *get_options(char *str, int nints, int *ints);
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| 58 |
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| 59 | extern int session_of_pgrp(int pgrp);
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| 60 |
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| 61 | int cdecl printk(const char * fmt, ...);
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| 62 |
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| 63 |
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| 64 | /*
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| 65 | * Display an IP address in readable format.
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| 66 | */
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| 67 |
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| 68 | #define NIPQUAD(addr) \
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| 69 | ((unsigned char *)&addr)[0], \
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| 70 | ((unsigned char *)&addr)[1], \
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| 71 | ((unsigned char *)&addr)[2], \
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| 72 | ((unsigned char *)&addr)[3]
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| 73 |
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| 74 | #endif /* __KERNEL__ */
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| 75 |
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| 76 | #define SI_LOAD_SHIFT 16
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| 77 | struct sysinfo {
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| 78 | long uptime; /* Seconds since boot */
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| 79 | unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
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| 80 | unsigned long totalram; /* Total usable main memory size */
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| 81 | unsigned long freeram; /* Available memory size */
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| 82 | unsigned long sharedram; /* Amount of shared memory */
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| 83 | unsigned long bufferram; /* Memory used by buffers */
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| 84 | unsigned long totalswap; /* Total swap space size */
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| 85 | unsigned long freeswap; /* swap space still available */
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| 86 | unsigned short procs; /* Number of current processes */
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| 87 | unsigned long totalhigh; /* Total high memory size */
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| 88 | unsigned long freehigh; /* Available high memory size */
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| 89 | unsigned int mem_unit; /* Memory unit size in bytes */
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| 90 | char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
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| 91 | };
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| 92 |
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| 93 | static void complete_and_exit(struct completion *, long);
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| 94 | #define printk_ratelimit() 1
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| 95 | #define ALIGN(x,a) (((x)+(a)-1)&~((a)-1))
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| 96 | #define dump_stack()
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| 97 | #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
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| 98 | #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
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| 99 | int strict_strtoul(const char *, unsigned int, unsigned long *);
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| 100 |
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| 101 | #define BUG_ON(condition)
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| 102 | #define WARN_ON(condition) (void)0
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| 103 | #define WARN_ON_ONCE(condition) (void)0
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| 104 | #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
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| 105 | #define SIZE_MAX (~(size_t)0)
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| 106 | _WCRTLINK extern int vsnprintf( char *__s, size_t __bufsize,
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| 107 | const char *__format, __va_list __arg );
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| 108 | char *kasprintf(gfp_t gfp, const char *fmt, ...);
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| 109 |
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| 110 | char *kvasprintf(gfp_t gfp, const char *fmt, va_list args);
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| 111 | extern int hex_to_bin(char ch);
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| 112 | #define __ALIGN_MASK(x, mask) __ALIGN_KERNEL_MASK((x), (mask))
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| 113 | #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
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| 114 |
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| 115 | /**
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| 116 | * container_of - cast a member of a structure out to the containing structure
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| 117 | * @ptr: the pointer to the member.
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| 118 | * @type: the type of the container struct this is embedded in.
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| 119 | * @member: the name of the member within the struct.
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| 120 | *
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| 121 | */
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| 122 | #define container_of(ptr, type, member) \
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| 123 | ( (type *)( (char *)ptr - offsetof(type,member) ) )
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| 124 |
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| 125 | _WCRTLINK extern int sscanf( const char *__s, const char *__format, ... );
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| 126 |
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| 127 | #endif
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