include/linux/types.h

   1 #ifndef _LINUX_TYPES_H
   2 #define _LINUX_TYPES_H
   3
   4 #ifdef  __KERNEL__
   5
   6 #define DECLARE_BITMAP(name,bits) \
   7         unsigned long name[BITS_TO_LONGS(bits)]
   8
   9 #endif
  10
  11 #include <linux/posix_types.h>
  12 #include <asm/types.h>
  13
  14 #ifndef __KERNEL_STRICT_NAMES
  15
  16 typedef __u32 __kernel_dev_t;
  17
  18 typedef __kernel_fd_set         fd_set;
  19 typedef __kernel_dev_t          dev_t;
  20 typedef __kernel_ino_t          ino_t;
  21 typedef __kernel_mode_t         mode_t;
  22 typedef __kernel_nlink_t        nlink_t;
  23 typedef __kernel_off_t          off_t;
  24 typedef __kernel_pid_t          pid_t;
  25 typedef __kernel_daddr_t        daddr_t;
  26 typedef __kernel_key_t          key_t;
  27 typedef __kernel_suseconds_t    suseconds_t;
  28 typedef __kernel_timer_t        timer_t;
  29 typedef __kernel_clockid_t      clockid_t;
  30 typedef __kernel_mqd_t          mqd_t;
  31
  32 #ifdef __KERNEL__
  33 typedef _Bool                   bool;
  34
  35 typedef __kernel_uid32_t        uid_t;
  36 typedef __kernel_gid32_t        gid_t;
  37 typedef __kernel_uid16_t        uid16_t;
  38 typedef __kernel_gid16_t        gid16_t;
  39
  40 #ifdef CONFIG_UID16
  41 /* This is defined by include/asm-{arch}/posix_types.h */
  42 typedef __kernel_old_uid_t      old_uid_t;
  43 typedef __kernel_old_gid_t      old_gid_t;
  44 #endif /* CONFIG_UID16 */
  45
  46 /* libc5 includes this file to define uid_t, thus uid_t can never change
  47  * when it is included by non-kernel code
  48  */
  49 #else
  50 typedef __kernel_uid_t          uid_t;
  51 typedef __kernel_gid_t          gid_t;
  52 #endif /* __KERNEL__ */
  53
  54 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
  55 typedef __kernel_loff_t         loff_t;
  56 #endif
  57
  58 /*
  59  * The following typedefs are also protected by individual ifdefs for
  60  * historical reasons:
  61  */
  62 #ifndef _SIZE_T
  63 #define _SIZE_T
  64 typedef __kernel_size_t         size_t;
  65 #endif
  66
  67 #ifndef _SSIZE_T
  68 #define _SSIZE_T
  69 typedef __kernel_ssize_t        ssize_t;
  70 #endif
  71
  72 #ifndef _PTRDIFF_T
  73 #define _PTRDIFF_T
  74 typedef __kernel_ptrdiff_t      ptrdiff_t;
  75 #endif
  76
  77 #ifndef _TIME_T
  78 #define _TIME_T
  79 typedef __kernel_time_t         time_t;
  80 #endif
  81
  82 #ifndef _CLOCK_T
  83 #define _CLOCK_T
  84 typedef __kernel_clock_t        clock_t;
  85 #endif
  86
  87 #ifndef _CADDR_T
  88 #define _CADDR_T
  89 typedef __kernel_caddr_t        caddr_t;
  90 #endif
  91
  92 /* bsd */
  93 typedef unsigned char           u_char;
  94 typedef unsigned short          u_short;
  95 typedef unsigned int            u_int;
  96 typedef unsigned long           u_long;
  97
  98 /* sysv */
  99 typedef unsigned char           unchar;
 100 typedef unsigned short          ushort;
 101 typedef unsigned int            uint;
 102 typedef unsigned long           ulong;
 103
 104 #ifndef __BIT_TYPES_DEFINED__
 105 #define __BIT_TYPES_DEFINED__
 106
 107 typedef         __u8            u_int8_t;
 108 typedef         __s8            int8_t;
 109 typedef         __u16           u_int16_t;
 110 typedef         __s16           int16_t;
 111 typedef         __u32           u_int32_t;
 112 typedef         __s32           int32_t;
 113
 114 #endif /* !(__BIT_TYPES_DEFINED__) */
 115
 116 typedef         __u8            uint8_t;
 117 typedef         __u16           uint16_t;
 118 typedef         __u32           uint32_t;
 119
 120 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
 121 typedef         __u64           uint64_t;
 122 typedef         __u64           u_int64_t;
 123 typedef         __s64           int64_t;
 124 #endif
 125
 126 /* this is a special 64bit data type that is 8-byte aligned */
 127 #define aligned_u64 unsigned long long __attribute__((aligned(8)))
 128 #define aligned_be64 __be64 __attribute__((aligned(8)))
 129 #define aligned_le64 __le64 __attribute__((aligned(8)))
 130
 131 /**
 132  * The type used for indexing onto a disc or disc partition.
 133  *
 134  * Linux always considers sectors to be 512 bytes long independently
 135  * of the devices real block size.
 136  */
 137 #ifdef CONFIG_LBD
 138 typedef u64 sector_t;
 139 #else
 140 typedef unsigned long sector_t;
 141 #endif
 142
 143 /*
 144  * The type of the inode's block count.
 145  */
 146 #ifdef CONFIG_LSF
 147 typedef u64 blkcnt_t;
 148 #else
 149 typedef unsigned long blkcnt_t;
 150 #endif
 151
 152 /*
 153  * The type of an index into the pagecache.  Use a #define so asm/types.h
 154  * can override it.
 155  */
 156 #ifndef pgoff_t
 157 #define pgoff_t unsigned long
 158 #endif
 159
 160 #endif /* __KERNEL_STRICT_NAMES */
 161
 162 /*
 163  * Below are truly Linux-specific types that should never collide with
 164  * any application/library that wants linux/types.h.
 165  */
 166
 167 #ifdef __CHECKER__
 168 #define __bitwise__ __attribute__((bitwise))
 169 #else
 170 #define __bitwise__
 171 #endif
 172 #ifdef __CHECK_ENDIAN__
 173 #define __bitwise __bitwise__
 174 #else
 175 #define __bitwise
 176 #endif
 177
 178 typedef __u16 __bitwise __le16;
 179 typedef __u16 __bitwise __be16;
 180 typedef __u32 __bitwise __le32;
 181 typedef __u32 __bitwise __be32;
 182 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
 183 typedef __u64 __bitwise __le64;
 184 typedef __u64 __bitwise __be64;
 185 #endif
 186 typedef __u16 __bitwise __sum16;
 187 typedef __u32 __bitwise __wsum;
 188
 189 #ifdef __KERNEL__
 190 typedef unsigned __bitwise__ gfp_t;
 191
 192 #ifdef CONFIG_RESOURCES_64BIT
 193 typedef u64 resource_size_t;
 194 #else
 195 typedef u32 resource_size_t;
 196 #endif
 197
 198 #endif  /* __KERNEL__ */
 199
 200 struct 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 /* _LINUX_TYPES_H */