/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_LINUX_TYPES_H #define _UAPI_LINUX_TYPES_H #include <asm/types.h> #ifndef __ASSEMBLY__ #ifndef __KERNEL__ #ifndef __EXPORTED_HEADERS__ #warning "Attempt to use kernel headers from user space, see http://kernelnewbies.org/KernelHeaders" #endif /* __EXPORTED_HEADERS__ */ #endif #include <linux/posix_types.h> /* * Below are truly Linux-specific types that should never collide with * any application/library that wants linux/types.h. */ #ifdef __CHECKER__ #define __bitwise__ __attribute__((bitwise)) #else #define __bitwise__ #endif #define __bitwise __bitwise__ typedef __u16 __bitwise __le16; typedef __u16 __bitwise __be16; typedef __u32 __bitwise __le32; typedef __u32 __bitwise __be32; typedef __u64 __bitwise __le64; typedef __u64 __bitwise __be64; typedef __u16 __bitwise __sum16; typedef __u32 __bitwise __wsum; /* * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid * common 32/64-bit compat problems. * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other * architectures) and to 8-byte boundaries on 64-bit architectures. The new * aligned_64 type enforces 8-byte alignment so that structs containing * aligned_64 values have the same alignment on 32-bit and 64-bit architectures. * No conversions are necessary between 32-bit user-space and a 64-bit kernel. */ #define __aligned_u64 __u64 __attribute__((aligned(8))) #define __aligned_be64 __be64 __attribute__((aligned(8))) #define __aligned_le64 __le64 __attribute__((aligned(8))) typedef unsigned __bitwise __poll_t; #endif /* __ASSEMBLY__ */ #endif /* _UAPI_LINUX_TYPES_H */