Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _LINUX_TYPES_H |
| 2 | #define _LINUX_TYPES_H |
| 3 | |
Jaswinder Singh Rajput | 9d50638 | 2009-02-08 11:00:25 +0530 | [diff] [blame] | 4 | #include <asm/types.h> |
| 5 | |
Jaswinder Singh Rajput | 527bdfe | 2009-02-06 20:47:58 +0530 | [diff] [blame] | 6 | #ifndef __ASSEMBLY__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | #ifdef __KERNEL__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | #define DECLARE_BITMAP(name,bits) \ |
| 10 | unsigned long name[BITS_TO_LONGS(bits)] |
Justin P. Mattock | 69c8f52 | 2010-07-01 14:28:27 -0700 | [diff] [blame] | 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__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | #endif |
| 16 | |
| 17 | #include <linux/posix_types.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | |
Arnd Bergmann | 3a471cb | 2009-02-26 00:51:45 +0100 | [diff] [blame] | 19 | #ifdef __KERNEL__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Richard Knutsson | 6e21828 | 2006-09-30 23:27:11 -0700 | [diff] [blame] | 37 | typedef _Bool bool; |
| 38 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Al Viro | 142956a | 2007-10-29 05:11:28 +0000 | [diff] [blame] | 44 | typedef unsigned long uintptr_t; |
| 45 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Mike Frysinger | 7437a51 | 2008-02-08 04:21:24 -0800 | [diff] [blame] | 52 | #if defined(__GNUC__) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Mike Frysinger | 7437a51 | 2008-02-08 04:21:24 -0800 | [diff] [blame] | 118 | #if defined(__GNUC__) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | typedef __u64 uint64_t; |
| 120 | typedef __u64 u_int64_t; |
| 121 | typedef __s64 int64_t; |
| 122 | #endif |
| 123 | |
Andrew Morton | a75d377 | 2010-10-26 14:21:10 -0700 | [diff] [blame] | 124 | /* this is a special 64bit data type that is 8-byte aligned */ |
Jan Engelhardt | c82a5cb | 2008-01-31 03:57:36 -0800 | [diff] [blame] | 125 | #define aligned_u64 __u64 __attribute__((aligned(8))) |
Al Viro | 98a4a86 | 2006-11-08 00:26:51 -0800 | [diff] [blame] | 126 | #define aligned_be64 __be64 __attribute__((aligned(8))) |
| 127 | #define aligned_le64 __le64 __attribute__((aligned(8))) |
Harald Welte | 0ba2c6e | 2005-08-13 13:55:44 -0700 | [diff] [blame] | 128 | |
Roger Gammans | 2c2345c | 2006-10-04 13:37:45 +0200 | [diff] [blame] | 129 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | * The type used for indexing onto a disc or disc partition. |
Roger Gammans | 2c2345c | 2006-10-04 13:37:45 +0200 | [diff] [blame] | 131 | * |
| 132 | * Linux always considers sectors to be 512 bytes long independently |
| 133 | * of the devices real block size. |
Jens Axboe | b3a6ffe | 2008-12-12 09:51:16 +0100 | [diff] [blame] | 134 | * |
| 135 | * blkcnt_t is the type of the inode's block count. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | */ |
Bartlomiej Zolnierkiewicz | 90c699a | 2009-06-19 08:08:50 +0200 | [diff] [blame] | 137 | #ifdef CONFIG_LBDAF |
Matthew Wilcox | e624386 | 2006-12-04 03:38:31 -0700 | [diff] [blame] | 138 | typedef u64 sector_t; |
Matthew Wilcox | e624386 | 2006-12-04 03:38:31 -0700 | [diff] [blame] | 139 | typedef u64 blkcnt_t; |
| 140 | #else |
Jens Axboe | b3a6ffe | 2008-12-12 09:51:16 +0100 | [diff] [blame] | 141 | typedef unsigned long sector_t; |
Takashi Sato | a0f62ac | 2006-03-26 01:37:52 -0800 | [diff] [blame] | 142 | typedef unsigned long blkcnt_t; |
| 143 | #endif |
| 144 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | /* |
| 146 | * The type of an index into the pagecache. Use a #define so asm/types.h |
| 147 | * can override it. |
| 148 | */ |
| 149 | #ifndef pgoff_t |
| 150 | #define pgoff_t unsigned long |
| 151 | #endif |
| 152 | |
Arnd Bergmann | 3a471cb | 2009-02-26 00:51:45 +0100 | [diff] [blame] | 153 | #endif /* __KERNEL__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | |
| 155 | /* |
| 156 | * Below are truly Linux-specific types that should never collide with |
| 157 | * any application/library that wants linux/types.h. |
| 158 | */ |
| 159 | |
| 160 | #ifdef __CHECKER__ |
Al Viro | af4ca45 | 2005-10-21 02:55:38 -0400 | [diff] [blame] | 161 | #define __bitwise__ __attribute__((bitwise)) |
| 162 | #else |
| 163 | #define __bitwise__ |
| 164 | #endif |
| 165 | #ifdef __CHECK_ENDIAN__ |
| 166 | #define __bitwise __bitwise__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | #else |
| 168 | #define __bitwise |
| 169 | #endif |
| 170 | |
| 171 | typedef __u16 __bitwise __le16; |
| 172 | typedef __u16 __bitwise __be16; |
| 173 | typedef __u32 __bitwise __le32; |
| 174 | typedef __u32 __bitwise __be32; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | typedef __u64 __bitwise __le64; |
| 176 | typedef __u64 __bitwise __be64; |
Detlef Riekenberg | 940fbf4 | 2009-01-07 10:11:44 +0100 | [diff] [blame] | 177 | |
Al Viro | 2bc3579 | 2006-11-14 21:14:18 -0800 | [diff] [blame] | 178 | typedef __u16 __bitwise __sum16; |
| 179 | typedef __u32 __bitwise __wsum; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | |
Andrew Morton | a75d377 | 2010-10-26 14:21:10 -0700 | [diff] [blame] | 181 | /* |
| 182 | * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid |
| 183 | * common 32/64-bit compat problems. |
| 184 | * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other |
| 185 | * architectures) and to 8-byte boundaries on 64-bit architetures. The new |
| 186 | * aligned_64 type enforces 8-byte alignment so that structs containing |
| 187 | * aligned_64 values have the same alignment on 32-bit and 64-bit architectures. |
| 188 | * No conversions are necessary between 32-bit user-space and a 64-bit kernel. |
| 189 | */ |
Eric Paris | 79b5dc0 | 2010-10-15 14:34:14 -0700 | [diff] [blame] | 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 | |
Al Viro | dd0fc66 | 2005-10-07 07:46:04 +0100 | [diff] [blame] | 194 | #ifdef __KERNEL__ |
Al Viro | af4ca45 | 2005-10-21 02:55:38 -0400 | [diff] [blame] | 195 | typedef unsigned __bitwise__ gfp_t; |
Al Viro | aeb5d72 | 2008-09-02 15:28:45 -0400 | [diff] [blame] | 196 | typedef unsigned __bitwise__ fmode_t; |
Greg Kroah-Hartman | cf7c712 | 2006-06-12 15:49:31 -0700 | [diff] [blame] | 197 | |
Jeremy Fitzhardinge | 600715d | 2008-09-11 01:31:45 -0700 | [diff] [blame] | 198 | #ifdef CONFIG_PHYS_ADDR_T_64BIT |
| 199 | typedef u64 phys_addr_t; |
| 200 | #else |
| 201 | typedef u32 phys_addr_t; |
| 202 | #endif |
| 203 | |
Jeremy Fitzhardinge | 8308c54 | 2008-09-11 01:31:50 -0700 | [diff] [blame] | 204 | typedef phys_addr_t resource_size_t; |
| 205 | |
Matthew Wilcox | ea435467 | 2009-01-06 14:40:39 -0800 | [diff] [blame] | 206 | typedef struct { |
Anton Blanchard | 81880d6 | 2010-05-17 14:34:57 +1000 | [diff] [blame] | 207 | int counter; |
Matthew Wilcox | ea435467 | 2009-01-06 14:40:39 -0800 | [diff] [blame] | 208 | } atomic_t; |
| 209 | |
| 210 | #ifdef CONFIG_64BIT |
| 211 | typedef struct { |
Anton Blanchard | 81880d6 | 2010-05-17 14:34:57 +1000 | [diff] [blame] | 212 | long counter; |
Matthew Wilcox | ea435467 | 2009-01-06 14:40:39 -0800 | [diff] [blame] | 213 | } atomic64_t; |
| 214 | #endif |
| 215 | |
Chris Metcalf | de5d9bf | 2010-07-02 13:41:14 -0400 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
maximilian attems | 6c7c6af | 2008-05-23 13:04:29 -0700 | [diff] [blame] | 235 | #endif /* __KERNEL__ */ |
Jaswinder Singh Rajput | 527bdfe | 2009-02-06 20:47:58 +0530 | [diff] [blame] | 236 | #endif /* __ASSEMBLY__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | #endif /* _LINUX_TYPES_H */ |