include/linux/types.h

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