Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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#define __bitwise __bitwise__
27
28typedef __u16 __bitwise __le16;
29typedef __u16 __bitwise __be16;
30typedef __u32 __bitwise __le32;
31typedef __u32 __bitwise __be32;
32typedef __u64 __bitwise __le64;
33typedef __u64 __bitwise __be64;
34
35typedef __u16 __bitwise __sum16;
36typedef __u32 __bitwise __wsum;
37
38/*
39 * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid
40 * common 32/64-bit compat problems.
41 * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other
42 * architectures) and to 8-byte boundaries on 64-bit architectures. The new
43 * aligned_64 type enforces 8-byte alignment so that structs containing
44 * aligned_64 values have the same alignment on 32-bit and 64-bit architectures.
45 * No conversions are necessary between 32-bit user-space and a 64-bit kernel.
46 */
47#define __aligned_u64 __u64 __attribute__((aligned(8)))
48#define __aligned_be64 __be64 __attribute__((aligned(8)))
49#define __aligned_le64 __le64 __attribute__((aligned(8)))
50
51#endif /* __ASSEMBLY__ */
52#endif /* _UAPI_LINUX_TYPES_H */