include/linux/types.h

   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
  18 typedef __u32 __kernel_dev_t;
  19
  20 typedef __kernel_fd_set         fd_set;
  21 typedef __kernel_dev_t          dev_t;
  22 typedef __kernel_ino_t          ino_t;
  23 typedef __kernel_mode_t         mode_t;
  24 typedef __kernel_nlink_t        nlink_t;
  25 typedef __kernel_off_t          off_t;
  26 typedef __kernel_pid_t          pid_t;
  27 typedef __kernel_daddr_t        daddr_t;
  28 typedef __kernel_key_t          key_t;
  29 typedef __kernel_suseconds_t    suseconds_t;
  30 typedef __kernel_timer_t        timer_t;
  31 typedef __kernel_clockid_t      clockid_t;
  32 typedef __kernel_mqd_t          mqd_t;
  33
  34 typedef _Bool                   bool;
  35
  36 typedef __kernel_uid32_t        uid_t;
  37 typedef __kernel_gid32_t        gid_t;
  38 typedef __kernel_uid16_t        uid16_t;
  39 typedef __kernel_gid16_t        gid16_t;
  40
  41 typedef unsigned long           uintptr_t;
  42
  43 #ifdef CONFIG_UID16
  44 /* This is defined by include/asm-{arch}/posix_types.h */
  45 typedef __kernel_old_uid_t      old_uid_t;
  46 typedef __kernel_old_gid_t      old_gid_t;
  47 #endif /* CONFIG_UID16 */
  48
  49 #if defined(__GNUC__)
  50 typedef __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
  59 typedef __kernel_size_t         size_t;
  60 #endif
  61
  62 #ifndef _SSIZE_T
  63 #define _SSIZE_T
  64 typedef __kernel_ssize_t        ssize_t;
  65 #endif
  66
  67 #ifndef _PTRDIFF_T
  68 #define _PTRDIFF_T
  69 typedef __kernel_ptrdiff_t      ptrdiff_t;
  70 #endif
  71
  72 #ifndef _TIME_T
  73 #define _TIME_T
  74 typedef __kernel_time_t         time_t;
  75 #endif
  76
  77 #ifndef _CLOCK_T
  78 #define _CLOCK_T
  79 typedef __kernel_clock_t        clock_t;
  80 #endif
  81
  82 #ifndef _CADDR_T
  83 #define _CADDR_T
  84 typedef __kernel_caddr_t        caddr_t;
  85 #endif
  86
  87 /* bsd */
  88 typedef unsigned char           u_char;
  89 typedef unsigned short          u_short;
  90 typedef unsigned int            u_int;
  91 typedef unsigned long           u_long;
  92
  93 /* sysv */
  94 typedef unsigned char           unchar;
  95 typedef unsigned short          ushort;
  96 typedef unsigned int            uint;
  97 typedef unsigned long           ulong;
  98
  99 #ifndef __BIT_TYPES_DEFINED__
 100 #define __BIT_TYPES_DEFINED__
 101
 102 typedef         __u8            u_int8_t;
 103 typedef         __s8            int8_t;
 104 typedef         __u16           u_int16_t;
 105 typedef         __s16           int16_t;
 106 typedef         __u32           u_int32_t;
 107 typedef         __s32           int32_t;
 108
 109 #endif /* !(__BIT_TYPES_DEFINED__) */
 110
 111 typedef         __u8            uint8_t;
 112 typedef         __u16           uint16_t;
 113 typedef         __u32           uint32_t;
 114
 115 #if defined(__GNUC__)
 116 typedef         __u64           uint64_t;
 117 typedef         __u64           u_int64_t;
 118 typedef         __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_LBD
 135 typedef u64 sector_t;
 136 typedef u64 blkcnt_t;
 137 #else
 138 typedef unsigned long sector_t;
 139 typedef 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
 168 typedef __u16 __bitwise __le16;
 169 typedef __u16 __bitwise __be16;
 170 typedef __u32 __bitwise __le32;
 171 typedef __u32 __bitwise __be32;
 172 typedef __u64 __bitwise __le64;
 173 typedef __u64 __bitwise __be64;
 174
 175 typedef __u16 __bitwise __sum16;
 176 typedef __u32 __bitwise __wsum;
 177
 178 #ifdef __KERNEL__
 179 typedef unsigned __bitwise__ gfp_t;
 180 typedef unsigned __bitwise__ fmode_t;
 181
 182 #ifdef CONFIG_PHYS_ADDR_T_64BIT
 183 typedef u64 phys_addr_t;
 184 #else
 185 typedef u32 phys_addr_t;
 186 #endif
 187
 188 typedef phys_addr_t resource_size_t;
 189
 190 typedef struct {
 191         volatile int counter;
 192 } atomic_t;
 193
 194 #ifdef CONFIG_64BIT
 195 typedef struct {
 196         volatile long counter;
 197 } atomic64_t;
 198 #endif
 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  /* __KERNEL__ */
 208 #endif /*  __ASSEMBLY__ */
 209 #endif /* _LINUX_TYPES_H */