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 #else 12 #ifndef __EXPORTED_HEADERS__ 13 #warning "Attempt to use kernel headers from user space, see http://kernelnewbies.org/KernelHeaders" 14 #endif /* __EXPORTED_HEADERS__ */ 15 #endif 16 17 #include <linux/posix_types.h> 18 19 #ifdef __KERNEL__ 20 21 typedef __u32 __kernel_dev_t; 22 23 typedef __kernel_fd_set fd_set; 24 typedef __kernel_dev_t dev_t; 25 typedef __kernel_ino_t ino_t; 26 typedef __kernel_mode_t mode_t; 27 typedef __kernel_nlink_t nlink_t; 28 typedef __kernel_off_t off_t; 29 typedef __kernel_pid_t pid_t; 30 typedef __kernel_daddr_t daddr_t; 31 typedef __kernel_key_t key_t; 32 typedef __kernel_suseconds_t suseconds_t; 33 typedef __kernel_timer_t timer_t; 34 typedef __kernel_clockid_t clockid_t; 35 typedef __kernel_mqd_t mqd_t; 36 37 typedef _Bool bool; 38 39 typedef __kernel_uid32_t uid_t; 40 typedef __kernel_gid32_t gid_t; 41 typedef __kernel_uid16_t uid16_t; 42 typedef __kernel_gid16_t gid16_t; 43 44 typedef unsigned long uintptr_t; 45 46 #ifdef CONFIG_UID16 47 /* This is defined by include/asm-{arch}/posix_types.h */ 48 typedef __kernel_old_uid_t old_uid_t; 49 typedef __kernel_old_gid_t old_gid_t; 50 #endif /* CONFIG_UID16 */ 51 52 #if defined(__GNUC__) 53 typedef __kernel_loff_t loff_t; 54 #endif 55 56 /* 57 * The following typedefs are also protected by individual ifdefs for 58 * historical reasons: 59 */ 60 #ifndef _SIZE_T 61 #define _SIZE_T 62 typedef __kernel_size_t size_t; 63 #endif 64 65 #ifndef _SSIZE_T 66 #define _SSIZE_T 67 typedef __kernel_ssize_t ssize_t; 68 #endif 69 70 #ifndef _PTRDIFF_T 71 #define _PTRDIFF_T 72 typedef __kernel_ptrdiff_t ptrdiff_t; 73 #endif 74 75 #ifndef _TIME_T 76 #define _TIME_T 77 typedef __kernel_time_t time_t; 78 #endif 79 80 #ifndef _CLOCK_T 81 #define _CLOCK_T 82 typedef __kernel_clock_t clock_t; 83 #endif 84 85 #ifndef _CADDR_T 86 #define _CADDR_T 87 typedef __kernel_caddr_t caddr_t; 88 #endif 89 90 /* bsd */ 91 typedef unsigned char u_char; 92 typedef unsigned short u_short; 93 typedef unsigned int u_int; 94 typedef unsigned long u_long; 95 96 /* sysv */ 97 typedef unsigned char unchar; 98 typedef unsigned short ushort; 99 typedef unsigned int uint; 100 typedef unsigned long ulong; 101 102 #ifndef __BIT_TYPES_DEFINED__ 103 #define __BIT_TYPES_DEFINED__ 104 105 typedef __u8 u_int8_t; 106 typedef __s8 int8_t; 107 typedef __u16 u_int16_t; 108 typedef __s16 int16_t; 109 typedef __u32 u_int32_t; 110 typedef __s32 int32_t; 111 112 #endif /* !(__BIT_TYPES_DEFINED__) */ 113 114 typedef __u8 uint8_t; 115 typedef __u16 uint16_t; 116 typedef __u32 uint32_t; 117 118 #if defined(__GNUC__) 119 typedef __u64 uint64_t; 120 typedef __u64 u_int64_t; 121 typedef __s64 int64_t; 122 #endif 123 124 /* 125 * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid 126 * common 32/64-bit compat problems. 127 * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other 128 * architectures) and to 8-byte boundaries on 64-bit architetures. The new 129 * aligned_64 type enforces 8-byte alignment so that structs containing 130 * aligned_64 values have the same alignment on 32-bit and 64-bit architectures. 131 * No conversions are necessary between 32-bit user-space and a 64-bit kernel. 132 */ 133 #define aligned_u64 __u64 __attribute__((aligned(8))) 134 #define aligned_be64 __be64 __attribute__((aligned(8))) 135 #define aligned_le64 __le64 __attribute__((aligned(8))) 136 137 /** 138 * The type used for indexing onto a disc or disc partition. 139 * 140 * Linux always considers sectors to be 512 bytes long independently 141 * of the devices real block size. 142 * 143 * blkcnt_t is the type of the inode's block count. 144 */ 145 #ifdef CONFIG_LBDAF 146 typedef u64 sector_t; 147 typedef u64 blkcnt_t; 148 #else 149 typedef unsigned long sector_t; 150 typedef unsigned long blkcnt_t; 151 #endif 152 153 /* 154 * The type of an index into the pagecache. Use a #define so asm/types.h 155 * can override it. 156 */ 157 #ifndef pgoff_t 158 #define pgoff_t unsigned long 159 #endif 160 161 #endif /* __KERNEL__ */ 162 163 /* 164 * Below are truly Linux-specific types that should never collide with 165 * any application/library that wants linux/types.h. 166 */ 167 168 #ifdef __CHECKER__ 169 #define __bitwise__ __attribute__((bitwise)) 170 #else 171 #define __bitwise__ 172 #endif 173 #ifdef __CHECK_ENDIAN__ 174 #define __bitwise __bitwise__ 175 #else 176 #define __bitwise 177 #endif 178 179 typedef __u16 __bitwise __le16; 180 typedef __u16 __bitwise __be16; 181 typedef __u32 __bitwise __le32; 182 typedef __u32 __bitwise __be32; 183 typedef __u64 __bitwise __le64; 184 typedef __u64 __bitwise __be64; 185 186 typedef __u16 __bitwise __sum16; 187 typedef __u32 __bitwise __wsum; 188 189 /* this is a special 64bit data type that is 8-byte aligned */ 190 #define __aligned_u64 __u64 __attribute__((aligned(8))) 191 #define __aligned_be64 __be64 __attribute__((aligned(8))) 192 #define __aligned_le64 __le64 __attribute__((aligned(8))) 193 194 #ifdef __KERNEL__ 195 typedef unsigned __bitwise__ gfp_t; 196 typedef unsigned __bitwise__ fmode_t; 197 198 #ifdef CONFIG_PHYS_ADDR_T_64BIT 199 typedef u64 phys_addr_t; 200 #else 201 typedef u32 phys_addr_t; 202 #endif 203 204 typedef phys_addr_t resource_size_t; 205 206 typedef struct { 207 int counter; 208 } atomic_t; 209 210 #ifdef CONFIG_64BIT 211 typedef struct { 212 long counter; 213 } atomic64_t; 214 #endif 215 216 struct list_head { 217 struct list_head *next, *prev; 218 }; 219 220 struct hlist_head { 221 struct hlist_node *first; 222 }; 223 224 struct hlist_node { 225 struct hlist_node *next, **pprev; 226 }; 227 228 struct ustat { 229 __kernel_daddr_t f_tfree; 230 __kernel_ino_t f_tinode; 231 char f_fname[6]; 232 char f_fpack[6]; 233 }; 234 235 #endif /* __KERNEL__ */ 236 #endif /* __ASSEMBLY__ */ 237 #endif /* _LINUX_TYPES_H */ 238