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 typedef unsigned long           uintptr_t;
  41
  42 #ifdef CONFIG_UID16
  43 /* This is defined by include/asm-{arch}/posix_types.h */
  44 typedef __kernel_old_uid_t      old_uid_t;
  45 typedef __kernel_old_gid_t      old_gid_t;
  46 #endif /* CONFIG_UID16 */
  47
  48 /* libc5 includes this file to define uid_t, thus uid_t can never change
  49  * when it is included by non-kernel code
  50  */
  51 #else
  52 typedef __kernel_uid_t          uid_t;
  53 typedef __kernel_gid_t          gid_t;
  54 #endif /* __KERNEL__ */
  55
  56 #if defined(__GNUC__)
  57 typedef __kernel_loff_t         loff_t;
  58 #endif
  59
  60 /*
  61  * The following typedefs are also protected by individual ifdefs for
  62  * historical reasons:
  63  */
  64 #ifndef _SIZE_T
  65 #define _SIZE_T
  66 typedef __kernel_size_t         size_t;
  67 #endif
  68
  69 #ifndef _SSIZE_T
  70 #define _SSIZE_T
  71 typedef __kernel_ssize_t        ssize_t;
  72 #endif
  73
  74 #ifndef _PTRDIFF_T
  75 #define _PTRDIFF_T
  76 typedef __kernel_ptrdiff_t      ptrdiff_t;
  77 #endif
  78
  79 #ifndef _TIME_T
  80 #define _TIME_T
  81 typedef __kernel_time_t         time_t;
  82 #endif
  83
  84 #ifndef _CLOCK_T
  85 #define _CLOCK_T
  86 typedef __kernel_clock_t        clock_t;
  87 #endif
  88
  89 #ifndef _CADDR_T
  90 #define _CADDR_T
  91 typedef __kernel_caddr_t        caddr_t;
  92 #endif
  93
  94 /* bsd */
  95 typedef unsigned char           u_char;
  96 typedef unsigned short          u_short;
  97 typedef unsigned int            u_int;
  98 typedef unsigned long           u_long;
  99
 100 /* sysv */
 101 typedef unsigned char           unchar;
 102 typedef unsigned short          ushort;
 103 typedef unsigned int            uint;
 104 typedef unsigned long           ulong;
 105
 106 #ifndef __BIT_TYPES_DEFINED__
 107 #define __BIT_TYPES_DEFINED__
 108
 109 typedef         __u8            u_int8_t;
 110 typedef         __s8            int8_t;
 111 typedef         __u16           u_int16_t;
 112 typedef         __s16           int16_t;
 113 typedef         __u32           u_int32_t;
 114 typedef         __s32           int32_t;
 115
 116 #endif /* !(__BIT_TYPES_DEFINED__) */
 117
 118 typedef         __u8            uint8_t;
 119 typedef         __u16           uint16_t;
 120 typedef         __u32           uint32_t;
 121
 122 #if defined(__GNUC__)
 123 typedef         __u64           uint64_t;
 124 typedef         __u64           u_int64_t;
 125 typedef         __s64           int64_t;
 126 #endif
 127
 128 /* this is a special 64bit data type that is 8-byte aligned */
 129 #define aligned_u64 __u64 __attribute__((aligned(8)))
 130 #define aligned_be64 __be64 __attribute__((aligned(8)))
 131 #define aligned_le64 __le64 __attribute__((aligned(8)))
 132
 133 /**
 134  * The type used for indexing onto a disc or disc partition.
 135  *
 136  * Linux always considers sectors to be 512 bytes long independently
 137  * of the devices real block size.
 138  *
 139  * blkcnt_t is the type of the inode's block count.
 140  */
 141 #ifdef CONFIG_LBD
 142 typedef u64 sector_t;
 143 typedef u64 blkcnt_t;
 144 #else
 145 typedef unsigned long sector_t;
 146 typedef unsigned long blkcnt_t;
 147 #endif
 148
 149 /*
 150  * The type of an index into the pagecache.  Use a #define so asm/types.h
 151  * can override it.
 152  */
 153 #ifndef pgoff_t
 154 #define pgoff_t unsigned long
 155 #endif
 156
 157 #endif /* __KERNEL_STRICT_NAMES */
 158
 159 /*
 160  * Below are truly Linux-specific types that should never collide with
 161  * any application/library that wants linux/types.h.
 162  */
 163
 164 #ifdef __CHECKER__
 165 #define __bitwise__ __attribute__((bitwise))
 166 #else
 167 #define __bitwise__
 168 #endif
 169 #ifdef __CHECK_ENDIAN__
 170 #define __bitwise __bitwise__
 171 #else
 172 #define __bitwise
 173 #endif
 174
 175 typedef __u16 __bitwise __le16;
 176 typedef __u16 __bitwise __be16;
 177 typedef __u32 __bitwise __le32;
 178 typedef __u32 __bitwise __be32;
 179 typedef __u64 __bitwise __le64;
 180 typedef __u64 __bitwise __be64;
 181
 182 typedef __u16 __bitwise __sum16;
 183 typedef __u32 __bitwise __wsum;
 184
 185 #ifdef __KERNEL__
 186 typedef unsigned __bitwise__ gfp_t;
 187 typedef unsigned __bitwise__ fmode_t;
 188
 189 #ifdef CONFIG_PHYS_ADDR_T_64BIT
 190 typedef u64 phys_addr_t;
 191 #else
 192 typedef u32 phys_addr_t;
 193 #endif
 194
 195 typedef phys_addr_t resource_size_t;
 196
 197 typedef struct {
 198         volatile int counter;
 199 } atomic_t;
 200
 201 #ifdef CONFIG_64BIT
 202 typedef struct {
 203         volatile long counter;
 204 } atomic64_t;
 205 #endif
 206
 207 struct ustat {
 208         __kernel_daddr_t        f_tfree;
 209         __kernel_ino_t          f_tinode;
 210         char                    f_fname[6];
 211         char                    f_fpack[6];
 212 };
 213
 214 #endif  /* __KERNEL__ */
 215
 216 #endif /* _LINUX_TYPES_H */