include/linux/types.h

   1 #ifndef _LINUX_TYPES_H
   2 #define _LINUX_TYPES_H
   3
   4 #ifdef  __KERNEL__
   5
   6 #define BITS_TO_LONGS(bits) \
   7         (((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)
   8 #define DECLARE_BITMAP(name,bits) \
   9         unsigned long name[BITS_TO_LONGS(bits)]
  10
  11 #define BITS_PER_BYTE 8
  12 #endif
  13
  14 #include <linux/posix_types.h>
  15 #include <asm/types.h>
  16
  17 #ifndef __KERNEL_STRICT_NAMES
  18
  19 typedef __u32 __kernel_dev_t;
  20
  21 typedef __kernel_fd_set         fd_set;
  22 typedef __kernel_dev_t          dev_t;
  23 typedef __kernel_ino_t          ino_t;
  24 typedef __kernel_mode_t         mode_t;
  25 typedef __kernel_nlink_t        nlink_t;
  26 typedef __kernel_off_t          off_t;
  27 typedef __kernel_pid_t          pid_t;
  28 typedef __kernel_daddr_t        daddr_t;
  29 typedef __kernel_key_t          key_t;
  30 typedef __kernel_suseconds_t    suseconds_t;
  31 typedef __kernel_timer_t        timer_t;
  32 typedef __kernel_clockid_t      clockid_t;
  33 typedef __kernel_mqd_t          mqd_t;
  34
  35 #ifdef __KERNEL__
  36 #if 0   // msk by Victor Yu. 02-12-2007
  37 typedef _Bool                   bool;
  38 #endif
  39
  40 typedef __kernel_uid32_t        uid_t;
  41 typedef __kernel_gid32_t        gid_t;
  42 typedef __kernel_uid16_t        uid16_t;
  43 typedef __kernel_gid16_t        gid16_t;
  44
  45 #ifdef CONFIG_UID16
  46 /* This is defined by include/asm-{arch}/posix_types.h */
  47 typedef __kernel_old_uid_t      old_uid_t;
  48 typedef __kernel_old_gid_t      old_gid_t;
  49 #endif /* CONFIG_UID16 */
  50
  51 /* libc5 includes this file to define uid_t, thus uid_t can never change
  52  * when it is included by non-kernel code
  53  */
  54 #else
  55 typedef __kernel_uid_t          uid_t;
  56 typedef __kernel_gid_t          gid_t;
  57 #endif /* __KERNEL__ */
  58
  59 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
  60 typedef __kernel_loff_t         loff_t;
  61 #endif
  62
  63 /*
  64  * The following typedefs are also protected by individual ifdefs for
  65  * historical reasons:
  66  */
  67 #ifndef _SIZE_T
  68 #define _SIZE_T
  69 typedef __kernel_size_t         size_t;
  70 #endif
  71
  72 #ifndef _SSIZE_T
  73 #define _SSIZE_T
  74 typedef __kernel_ssize_t        ssize_t;
  75 #endif
  76
  77 #ifndef _PTRDIFF_T
  78 #define _PTRDIFF_T
  79 typedef __kernel_ptrdiff_t      ptrdiff_t;
  80 #endif
  81
  82 #ifndef _TIME_T
  83 #define _TIME_T
  84 typedef __kernel_time_t         time_t;
  85 #endif
  86
  87 #ifndef _CLOCK_T
  88 #define _CLOCK_T
  89 typedef __kernel_clock_t        clock_t;
  90 #endif
  91
  92 #ifndef _CADDR_T
  93 #define _CADDR_T
  94 typedef __kernel_caddr_t        caddr_t;
  95 #endif
  96
  97 /* bsd */
  98 typedef unsigned char           u_char;
  99 typedef unsigned short          u_short;
 100 typedef unsigned int            u_int;
 101 typedef unsigned long           u_long;
 102
 103 /* sysv */
 104 typedef unsigned char           unchar;
 105 typedef unsigned short          ushort;
 106 typedef unsigned int            uint;
 107 typedef unsigned long           ulong;
 108
 109 #ifndef __BIT_TYPES_DEFINED__
 110 #define __BIT_TYPES_DEFINED__
 111
 112 typedef         __u8            u_int8_t;
 113 typedef         __s8            int8_t;
 114 typedef         __u16           u_int16_t;
 115 typedef         __s16           int16_t;
 116 typedef         __u32           u_int32_t;
 117 typedef         __s32           int32_t;
 118
 119 #endif /* !(__BIT_TYPES_DEFINED__) */
 120
 121 typedef         __u8            uint8_t;
 122 typedef         __u16           uint16_t;
 123 typedef         __u32           uint32_t;
 124
 125 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
 126 typedef         __u64           uint64_t;
 127 typedef         __u64           u_int64_t;
 128 typedef         __s64           int64_t;
 129 #endif
 130
 131 /* this is a special 64bit data type that is 8-byte aligned */
 132 #define aligned_u64 unsigned long long __attribute__((aligned(8)))
 133
 134 /**
 135  * The type used for indexing onto a disc or disc partition.
 136  *
 137  * Linux always considers sectors to be 512 bytes long independently
 138  * of the devices real block size.
 139  *
 140  * If required, asm/types.h can override it and define
 141  * HAVE_SECTOR_T
 142  */
 143 #ifndef HAVE_SECTOR_T
 144 typedef unsigned long sector_t;
 145 #endif
 146
 147 #ifndef HAVE_BLKCNT_T
 148 typedef unsigned long blkcnt_t;
 149 #endif
 150
 151 /*
 152  * The type of an index into the pagecache.  Use a #define so asm/types.h
 153  * can override it.
 154  */
 155 #ifndef pgoff_t
 156 #define pgoff_t unsigned long
 157 #endif
 158
 159 #endif /* __KERNEL_STRICT_NAMES */
 160
 161 /*
 162  * Below are truly Linux-specific types that should never collide with
 163  * any application/library that wants linux/types.h.
 164  */
 165
 166 #ifdef __CHECKER__
 167 #define __bitwise__ __attribute__((bitwise))
 168 #else
 169 #define __bitwise__
 170 #endif
 171 #ifdef __CHECK_ENDIAN__
 172 #define __bitwise __bitwise__
 173 #else
 174 #define __bitwise
 175 #endif
 176
 177 typedef __u16 __bitwise __le16;
 178 typedef __u16 __bitwise __be16;
 179 typedef __u32 __bitwise __le32;
 180 typedef __u32 __bitwise __be32;
 181 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
 182 typedef __u64 __bitwise __le64;
 183 typedef __u64 __bitwise __be64;
 184 #endif
 185
 186 #ifdef __KERNEL__
 187 typedef unsigned __bitwise__ gfp_t;
 188
 189 #ifdef CONFIG_RESOURCES_64BIT
 190 typedef u64 resource_size_t;
 191 #else
 192 typedef u32 resource_size_t;
 193 #endif
 194
 195 #endif  /* __KERNEL__ */
 196
 197 struct ustat {
 198         __kernel_daddr_t        f_tfree;
 199         __kernel_ino_t          f_tinode;
 200         char                    f_fname[6];
 201         char                    f_fpack[6];
 202 };
 203
 204 #endif /* _LINUX_TYPES_H */