| /* 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 https://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. |
| */ |
| |
| /* sparse defines __CHECKER__; see Documentation/dev-tools/sparse.rst */ |
| #ifdef __CHECKER__ |
| #define __bitwise __attribute__((bitwise)) |
| #else |
| #define __bitwise |
| #endif |
| |
| /* The kernel doesn't use this legacy form, but user space does */ |
| #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 */ |