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1 | #ifndef _UAPI_LINUX_TYPES_H |
2 | #define _UAPI_LINUX_TYPES_H | |
3 | ||
4 | #include <asm/types.h> | |
5 | ||
6 | #ifndef __ASSEMBLY__ | |
7 | #ifndef __KERNEL__ | |
8 | #ifndef __EXPORTED_HEADERS__ | |
9 | #warning "Attempt to use kernel headers from user space, see http://kernelnewbies.org/KernelHeaders" | |
10 | #endif /* __EXPORTED_HEADERS__ */ | |
11 | #endif | |
12 | ||
13 | #include <linux/posix_types.h> | |
14 | ||
15 | ||
16 | /* | |
17 | * Below are truly Linux-specific types that should never collide with | |
18 | * any application/library that wants linux/types.h. | |
19 | */ | |
20 | ||
21 | #ifdef __CHECKER__ | |
22 | #define __bitwise__ __attribute__((bitwise)) | |
23 | #else | |
24 | #define __bitwise__ | |
25 | #endif | |
26 | #ifdef __CHECK_ENDIAN__ | |
27 | #define __bitwise __bitwise__ | |
28 | #else | |
29 | #define __bitwise | |
30 | #endif | |
31 | ||
32 | typedef __u16 __bitwise __le16; | |
33 | typedef __u16 __bitwise __be16; | |
34 | typedef __u32 __bitwise __le32; | |
35 | typedef __u32 __bitwise __be32; | |
36 | typedef __u64 __bitwise __le64; | |
37 | typedef __u64 __bitwise __be64; | |
38 | ||
39 | typedef __u16 __bitwise __sum16; | |
40 | typedef __u32 __bitwise __wsum; | |
41 | ||
42 | /* | |
43 | * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid | |
44 | * common 32/64-bit compat problems. | |
45 | * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other | |
46 | * architectures) and to 8-byte boundaries on 64-bit architectures. The new | |
47 | * aligned_64 type enforces 8-byte alignment so that structs containing | |
48 | * aligned_64 values have the same alignment on 32-bit and 64-bit architectures. | |
49 | * No conversions are necessary between 32-bit user-space and a 64-bit kernel. | |
50 | */ | |
51 | #define __aligned_u64 __u64 __attribute__((aligned(8))) | |
52 | #define __aligned_be64 __be64 __attribute__((aligned(8))) | |
53 | #define __aligned_le64 __le64 __attribute__((aligned(8))) | |
54 | ||
55 | #endif /* __ASSEMBLY__ */ | |
56 | #endif /* _UAPI_LINUX_TYPES_H */ |