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 #ifdef __SIZEOF_INT128__ 12 typedef __signed__ __int128 __s128 __attribute__((aligned(16))); 13 typedef unsigned __int128 __u128 __attribute__((aligned(16))); 14 #endif 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 #define __bitwise __bitwise__ 27 28 typedef __u16 __bitwise __le16; 29 typedef __u16 __bitwise __be16; 30 typedef __u32 __bitwise __le32; 31 typedef __u32 __bitwise __be32; 32 typedef __u64 __bitwise __le64; 33 typedef __u64 __bitwise __be64; 34 35 typedef __u16 __bitwise __sum16; 36 typedef __u32 __bitwise __wsum; 37 38 /* 39 * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid 40 * common 32/64-bit compat problems. 41 * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other 42 * architectures) and to 8-byte boundaries on 64-bit architectures. The new 43 * aligned_64 type enforces 8-byte alignment so that structs containing 44 * aligned_64 values have the same alignment on 32-bit and 64-bit architectures. 45 * No conversions are necessary between 32-bit user-space and a 64-bit kernel. 46 */ 47 #define __aligned_u64 __u64 __attribute__((aligned(8))) 48 #define __aligned_be64 __be64 __attribute__((aligned(8))) 49 #define __aligned_le64 __le64 __attribute__((aligned(8))) 50 51 typedef unsigned __bitwise __poll_t; 52 53 #endif /* __ASSEMBLY__ */ 54 #endif /* _LINUX_TYPES_H */ 55
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