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