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1da177e4 LT |
1 | #ifndef _LINUX_TYPES_H |
2 | #define _LINUX_TYPES_H | |
3 | ||
9d50638b JSR |
4 | #include <asm/types.h> |
5 | ||
527bdfee | 6 | #ifndef __ASSEMBLY__ |
1da177e4 | 7 | #ifdef __KERNEL__ |
1da177e4 | 8 | |
1da177e4 LT |
9 | #define DECLARE_BITMAP(name,bits) \ |
10 | unsigned long name[BITS_TO_LONGS(bits)] | |
69c8f52b JM |
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__ */ | |
1da177e4 LT |
15 | #endif |
16 | ||
17 | #include <linux/posix_types.h> | |
1da177e4 | 18 | |
3a471cbc | 19 | #ifdef __KERNEL__ |
1da177e4 LT |
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; | |
0583fcc9 | 27 | typedef unsigned short umode_t; |
1da177e4 LT |
28 | typedef __kernel_nlink_t nlink_t; |
29 | typedef __kernel_off_t off_t; | |
30 | typedef __kernel_pid_t pid_t; | |
31 | typedef __kernel_daddr_t daddr_t; | |
32 | typedef __kernel_key_t key_t; | |
33 | typedef __kernel_suseconds_t suseconds_t; | |
34 | typedef __kernel_timer_t timer_t; | |
35 | typedef __kernel_clockid_t clockid_t; | |
36 | typedef __kernel_mqd_t mqd_t; | |
37 | ||
6e218287 RK |
38 | typedef _Bool bool; |
39 | ||
1da177e4 LT |
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 | ||
142956af AV |
45 | typedef unsigned long uintptr_t; |
46 | ||
1da177e4 LT |
47 | #ifdef CONFIG_UID16 |
48 | /* This is defined by include/asm-{arch}/posix_types.h */ | |
49 | typedef __kernel_old_uid_t old_uid_t; | |
50 | typedef __kernel_old_gid_t old_gid_t; | |
51 | #endif /* CONFIG_UID16 */ | |
52 | ||
7437a51b | 53 | #if defined(__GNUC__) |
1da177e4 LT |
54 | typedef __kernel_loff_t loff_t; |
55 | #endif | |
56 | ||
57 | /* | |
58 | * The following typedefs are also protected by individual ifdefs for | |
59 | * historical reasons: | |
60 | */ | |
61 | #ifndef _SIZE_T | |
62 | #define _SIZE_T | |
63 | typedef __kernel_size_t size_t; | |
64 | #endif | |
65 | ||
66 | #ifndef _SSIZE_T | |
67 | #define _SSIZE_T | |
68 | typedef __kernel_ssize_t ssize_t; | |
69 | #endif | |
70 | ||
71 | #ifndef _PTRDIFF_T | |
72 | #define _PTRDIFF_T | |
73 | typedef __kernel_ptrdiff_t ptrdiff_t; | |
74 | #endif | |
75 | ||
76 | #ifndef _TIME_T | |
77 | #define _TIME_T | |
78 | typedef __kernel_time_t time_t; | |
79 | #endif | |
80 | ||
81 | #ifndef _CLOCK_T | |
82 | #define _CLOCK_T | |
83 | typedef __kernel_clock_t clock_t; | |
84 | #endif | |
85 | ||
86 | #ifndef _CADDR_T | |
87 | #define _CADDR_T | |
88 | typedef __kernel_caddr_t caddr_t; | |
89 | #endif | |
90 | ||
91 | /* bsd */ | |
92 | typedef unsigned char u_char; | |
93 | typedef unsigned short u_short; | |
94 | typedef unsigned int u_int; | |
95 | typedef unsigned long u_long; | |
96 | ||
97 | /* sysv */ | |
98 | typedef unsigned char unchar; | |
99 | typedef unsigned short ushort; | |
100 | typedef unsigned int uint; | |
101 | typedef unsigned long ulong; | |
102 | ||
103 | #ifndef __BIT_TYPES_DEFINED__ | |
104 | #define __BIT_TYPES_DEFINED__ | |
105 | ||
106 | typedef __u8 u_int8_t; | |
107 | typedef __s8 int8_t; | |
108 | typedef __u16 u_int16_t; | |
109 | typedef __s16 int16_t; | |
110 | typedef __u32 u_int32_t; | |
111 | typedef __s32 int32_t; | |
112 | ||
113 | #endif /* !(__BIT_TYPES_DEFINED__) */ | |
114 | ||
115 | typedef __u8 uint8_t; | |
116 | typedef __u16 uint16_t; | |
117 | typedef __u32 uint32_t; | |
118 | ||
7437a51b | 119 | #if defined(__GNUC__) |
1da177e4 LT |
120 | typedef __u64 uint64_t; |
121 | typedef __u64 u_int64_t; | |
122 | typedef __s64 int64_t; | |
123 | #endif | |
124 | ||
a75d3776 | 125 | /* this is a special 64bit data type that is 8-byte aligned */ |
c82a5cb8 | 126 | #define aligned_u64 __u64 __attribute__((aligned(8))) |
98a4a861 AV |
127 | #define aligned_be64 __be64 __attribute__((aligned(8))) |
128 | #define aligned_le64 __le64 __attribute__((aligned(8))) | |
0ba2c6e8 | 129 | |
2c2345c2 | 130 | /** |
1da177e4 | 131 | * The type used for indexing onto a disc or disc partition. |
2c2345c2 RG |
132 | * |
133 | * Linux always considers sectors to be 512 bytes long independently | |
134 | * of the devices real block size. | |
b3a6ffe1 JA |
135 | * |
136 | * blkcnt_t is the type of the inode's block count. | |
1da177e4 | 137 | */ |
90c699a9 | 138 | #ifdef CONFIG_LBDAF |
e6243863 | 139 | typedef u64 sector_t; |
e6243863 MW |
140 | typedef u64 blkcnt_t; |
141 | #else | |
b3a6ffe1 | 142 | typedef unsigned long sector_t; |
a0f62ac6 TS |
143 | typedef unsigned long blkcnt_t; |
144 | #endif | |
145 | ||
1da177e4 LT |
146 | /* |
147 | * The type of an index into the pagecache. Use a #define so asm/types.h | |
148 | * can override it. | |
149 | */ | |
150 | #ifndef pgoff_t | |
151 | #define pgoff_t unsigned long | |
152 | #endif | |
153 | ||
3e50594e FT |
154 | #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT |
155 | typedef u64 dma_addr_t; | |
156 | #else | |
157 | typedef u32 dma_addr_t; | |
158 | #endif /* dma_addr_t */ | |
159 | ||
3a471cbc | 160 | #endif /* __KERNEL__ */ |
1da177e4 LT |
161 | |
162 | /* | |
163 | * Below are truly Linux-specific types that should never collide with | |
164 | * any application/library that wants linux/types.h. | |
165 | */ | |
166 | ||
167 | #ifdef __CHECKER__ | |
af4ca457 AV |
168 | #define __bitwise__ __attribute__((bitwise)) |
169 | #else | |
170 | #define __bitwise__ | |
171 | #endif | |
172 | #ifdef __CHECK_ENDIAN__ | |
173 | #define __bitwise __bitwise__ | |
1da177e4 LT |
174 | #else |
175 | #define __bitwise | |
176 | #endif | |
177 | ||
178 | typedef __u16 __bitwise __le16; | |
179 | typedef __u16 __bitwise __be16; | |
180 | typedef __u32 __bitwise __le32; | |
181 | typedef __u32 __bitwise __be32; | |
1da177e4 LT |
182 | typedef __u64 __bitwise __le64; |
183 | typedef __u64 __bitwise __be64; | |
940fbf41 | 184 | |
2bc35798 AV |
185 | typedef __u16 __bitwise __sum16; |
186 | typedef __u32 __bitwise __wsum; | |
1da177e4 | 187 | |
a75d3776 AM |
188 | /* |
189 | * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid | |
190 | * common 32/64-bit compat problems. | |
191 | * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other | |
a469ebd5 | 192 | * architectures) and to 8-byte boundaries on 64-bit architectures. The new |
a75d3776 AM |
193 | * aligned_64 type enforces 8-byte alignment so that structs containing |
194 | * aligned_64 values have the same alignment on 32-bit and 64-bit architectures. | |
195 | * No conversions are necessary between 32-bit user-space and a 64-bit kernel. | |
196 | */ | |
79b5dc0c EP |
197 | #define __aligned_u64 __u64 __attribute__((aligned(8))) |
198 | #define __aligned_be64 __be64 __attribute__((aligned(8))) | |
199 | #define __aligned_le64 __le64 __attribute__((aligned(8))) | |
200 | ||
dd0fc66f | 201 | #ifdef __KERNEL__ |
af4ca457 | 202 | typedef unsigned __bitwise__ gfp_t; |
aeb5d727 | 203 | typedef unsigned __bitwise__ fmode_t; |
cf7c712c | 204 | |
600715dc JF |
205 | #ifdef CONFIG_PHYS_ADDR_T_64BIT |
206 | typedef u64 phys_addr_t; | |
207 | #else | |
208 | typedef u32 phys_addr_t; | |
209 | #endif | |
210 | ||
8308c54d JF |
211 | typedef phys_addr_t resource_size_t; |
212 | ||
a699e4e4 GL |
213 | /* |
214 | * This type is the placeholder for a hardware interrupt number. It has to be | |
215 | * big enough to enclose whatever representation is used by a given platform. | |
216 | */ | |
217 | typedef unsigned long irq_hw_number_t; | |
218 | ||
ea435467 | 219 | typedef struct { |
81880d60 | 220 | int counter; |
ea435467 MW |
221 | } atomic_t; |
222 | ||
223 | #ifdef CONFIG_64BIT | |
224 | typedef struct { | |
81880d60 | 225 | long counter; |
ea435467 MW |
226 | } atomic64_t; |
227 | #endif | |
228 | ||
de5d9bf6 CM |
229 | struct list_head { |
230 | struct list_head *next, *prev; | |
231 | }; | |
232 | ||
233 | struct hlist_head { | |
234 | struct hlist_node *first; | |
235 | }; | |
236 | ||
237 | struct hlist_node { | |
238 | struct hlist_node *next, **pprev; | |
239 | }; | |
240 | ||
1da177e4 LT |
241 | struct ustat { |
242 | __kernel_daddr_t f_tfree; | |
243 | __kernel_ino_t f_tinode; | |
244 | char f_fname[6]; | |
245 | char f_fpack[6]; | |
246 | }; | |
247 | ||
99098751 PM |
248 | /** |
249 | * struct rcu_head - callback structure for use with RCU | |
250 | * @next: next update requests in a list | |
251 | * @func: actual update function to call after the grace period. | |
252 | */ | |
253 | struct rcu_head { | |
254 | struct rcu_head *next; | |
255 | void (*func)(struct rcu_head *head); | |
256 | }; | |
257 | ||
6c7c6afb | 258 | #endif /* __KERNEL__ */ |
527bdfee | 259 | #endif /* __ASSEMBLY__ */ |
1da177e4 | 260 | #endif /* _LINUX_TYPES_H */ |