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 #endif /* __ASSEMBLY__ */ 48 #endif /* _LINUX_TYPES_H */ 49
