| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */  |
| 2 | #ifndef _LINUX_TYPES_H  |
| 3 | #define _LINUX_TYPES_H  |
| 4 |   |
| 5 | #include <asm/types.h>  |
| 6 |   |
| 7 | #ifndef __ASSEMBLY__  |
| 8 |   |
| 9 | #include <linux/posix_types.h>  |
| 10 |   |
| 11 |   |
| 12 | /*  |
| 13 | * Below are truly Linux-specific types that should never collide with  |
| 14 | * any application/library that wants linux/types.h.  |
| 15 | */  |
| 16 |   |
| 17 | #ifdef __CHECKER__  |
| 18 | #define __bitwise__ __attribute__((bitwise))  |
| 19 | #else  |
| 20 | #define __bitwise__  |
| 21 | #endif  |
| 22 | #define __bitwise __bitwise__  |
| 23 |   |
| 24 | typedef __u16 __bitwise __le16;  |
| 25 | typedef __u16 __bitwise __be16;  |
| 26 | typedef __u32 __bitwise __le32;  |
| 27 | typedef __u32 __bitwise __be32;  |
| 28 | typedef __u64 __bitwise __le64;  |
| 29 | typedef __u64 __bitwise __be64;  |
| 30 |   |
| 31 | typedef __u16 __bitwise __sum16;  |
| 32 | typedef __u32 __bitwise __wsum;  |
| 33 |   |
| 34 | /*  |
| 35 | * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid  |
| 36 | * common 32/64-bit compat problems.  |
| 37 | * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other  |
| 38 | * architectures) and to 8-byte boundaries on 64-bit architectures. The new  |
| 39 | * aligned_64 type enforces 8-byte alignment so that structs containing  |
| 40 | * aligned_64 values have the same alignment on 32-bit and 64-bit architectures.  |
| 41 | * No conversions are necessary between 32-bit user-space and a 64-bit kernel.  |
| 42 | */  |
| 43 | #define __aligned_u64 __u64 __attribute__((aligned(8)))  |
| 44 | #define __aligned_be64 __be64 __attribute__((aligned(8)))  |
| 45 | #define __aligned_le64 __le64 __attribute__((aligned(8)))  |
| 46 |   |
| 47 | typedef unsigned __bitwise __poll_t;  |
| 48 |   |
| 49 | #endif /* __ASSEMBLY__ */  |
| 50 | #endif /* _LINUX_TYPES_H */  |
| 51 | |