linux/include/linux/types.h
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   1#ifndef _LINUX_TYPES_H
   2#define _LINUX_TYPES_H
   3
   4#include <asm/types.h>
   5
   6#ifndef __ASSEMBLY__
   7#ifdef  __KERNEL__
   8
   9#define DECLARE_BITMAP(name,bits) \
  10        unsigned long name[BITS_TO_LONGS(bits)]
  11
  12#endif
  13
  14#include <linux/posix_types.h>
  15
  16#ifdef __KERNEL__
  17
  18typedef __u32 __kernel_dev_t;
  19
  20typedef __kernel_fd_set         fd_set;
  21typedef __kernel_dev_t          dev_t;
  22typedef __kernel_ino_t          ino_t;
  23typedef __kernel_mode_t         mode_t;
  24typedef __kernel_nlink_t        nlink_t;
  25typedef __kernel_off_t          off_t;
  26typedef __kernel_pid_t          pid_t;
  27typedef __kernel_daddr_t        daddr_t;
  28typedef __kernel_key_t          key_t;
  29typedef __kernel_suseconds_t    suseconds_t;
  30typedef __kernel_timer_t        timer_t;
  31typedef __kernel_clockid_t      clockid_t;
  32typedef __kernel_mqd_t          mqd_t;
  33
  34typedef _Bool                   bool;
  35
  36typedef __kernel_uid32_t        uid_t;
  37typedef __kernel_gid32_t        gid_t;
  38typedef __kernel_uid16_t        uid16_t;
  39typedef __kernel_gid16_t        gid16_t;
  40
  41typedef unsigned long           uintptr_t;
  42
  43#ifdef CONFIG_UID16
  44/* This is defined by include/asm-{arch}/posix_types.h */
  45typedef __kernel_old_uid_t      old_uid_t;
  46typedef __kernel_old_gid_t      old_gid_t;
  47#endif /* CONFIG_UID16 */
  48
  49#if defined(__GNUC__)
  50typedef __kernel_loff_t         loff_t;
  51#endif
  52
  53/*
  54 * The following typedefs are also protected by individual ifdefs for
  55 * historical reasons:
  56 */
  57#ifndef _SIZE_T
  58#define _SIZE_T
  59typedef __kernel_size_t         size_t;
  60#endif
  61
  62#ifndef _SSIZE_T
  63#define _SSIZE_T
  64typedef __kernel_ssize_t        ssize_t;
  65#endif
  66
  67#ifndef _PTRDIFF_T
  68#define _PTRDIFF_T
  69typedef __kernel_ptrdiff_t      ptrdiff_t;
  70#endif
  71
  72#ifndef _TIME_T
  73#define _TIME_T
  74typedef __kernel_time_t         time_t;
  75#endif
  76
  77#ifndef _CLOCK_T
  78#define _CLOCK_T
  79typedef __kernel_clock_t        clock_t;
  80#endif
  81
  82#ifndef _CADDR_T
  83#define _CADDR_T
  84typedef __kernel_caddr_t        caddr_t;
  85#endif
  86
  87/* bsd */
  88typedef unsigned char           u_char;
  89typedef unsigned short          u_short;
  90typedef unsigned int            u_int;
  91typedef unsigned long           u_long;
  92
  93/* sysv */
  94typedef unsigned char           unchar;
  95typedef unsigned short          ushort;
  96typedef unsigned int            uint;
  97typedef unsigned long           ulong;
  98
  99#ifndef __BIT_TYPES_DEFINED__
 100#define __BIT_TYPES_DEFINED__
 101
 102typedef         __u8            u_int8_t;
 103typedef         __s8            int8_t;
 104typedef         __u16           u_int16_t;
 105typedef         __s16           int16_t;
 106typedef         __u32           u_int32_t;
 107typedef         __s32           int32_t;
 108
 109#endif /* !(__BIT_TYPES_DEFINED__) */
 110
 111typedef         __u8            uint8_t;
 112typedef         __u16           uint16_t;
 113typedef         __u32           uint32_t;
 114
 115#if defined(__GNUC__)
 116typedef         __u64           uint64_t;
 117typedef         __u64           u_int64_t;
 118typedef         __s64           int64_t;
 119#endif
 120
 121/* this is a special 64bit data type that is 8-byte aligned */
 122#define aligned_u64 __u64 __attribute__((aligned(8)))
 123#define aligned_be64 __be64 __attribute__((aligned(8)))
 124#define aligned_le64 __le64 __attribute__((aligned(8)))
 125
 126/**
 127 * The type used for indexing onto a disc or disc partition.
 128 *
 129 * Linux always considers sectors to be 512 bytes long independently
 130 * of the devices real block size.
 131 *
 132 * blkcnt_t is the type of the inode's block count.
 133 */
 134#ifdef CONFIG_LBDAF
 135typedef u64 sector_t;
 136typedef u64 blkcnt_t;
 137#else
 138typedef unsigned long sector_t;
 139typedef unsigned long blkcnt_t;
 140#endif
 141
 142/*
 143 * The type of an index into the pagecache.  Use a #define so asm/types.h
 144 * can override it.
 145 */
 146#ifndef pgoff_t
 147#define pgoff_t unsigned long
 148#endif
 149
 150#endif /* __KERNEL__ */
 151
 152/*
 153 * Below are truly Linux-specific types that should never collide with
 154 * any application/library that wants linux/types.h.
 155 */
 156
 157#ifdef __CHECKER__
 158#define __bitwise__ __attribute__((bitwise))
 159#else
 160#define __bitwise__
 161#endif
 162#ifdef __CHECK_ENDIAN__
 163#define __bitwise __bitwise__
 164#else
 165#define __bitwise
 166#endif
 167
 168typedef __u16 __bitwise __le16;
 169typedef __u16 __bitwise __be16;
 170typedef __u32 __bitwise __le32;
 171typedef __u32 __bitwise __be32;
 172typedef __u64 __bitwise __le64;
 173typedef __u64 __bitwise __be64;
 174
 175typedef __u16 __bitwise __sum16;
 176typedef __u32 __bitwise __wsum;
 177
 178#ifdef __KERNEL__
 179typedef unsigned __bitwise__ gfp_t;
 180typedef unsigned __bitwise__ fmode_t;
 181
 182#ifdef CONFIG_PHYS_ADDR_T_64BIT
 183typedef u64 phys_addr_t;
 184#else
 185typedef u32 phys_addr_t;
 186#endif
 187
 188typedef phys_addr_t resource_size_t;
 189
 190typedef struct {
 191        volatile int counter;
 192} atomic_t;
 193
 194#ifdef CONFIG_64BIT
 195typedef struct {
 196        volatile long counter;
 197} atomic64_t;
 198#endif
 199
 200struct ustat {
 201        __kernel_daddr_t        f_tfree;
 202        __kernel_ino_t          f_tinode;
 203        char                    f_fname[6];
 204        char                    f_fpack[6];
 205};
 206
 207#endif  /* __KERNEL__ */
 208#endif /*  __ASSEMBLY__ */
 209#endif /* _LINUX_TYPES_H */
 210