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 */ 57
