54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _LINUX_TYPES_H
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#define _LINUX_TYPES_H
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#include <asm/types.h>
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#ifndef __ASSEMBLY__
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#include <linux/posix_types.h>
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/*
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* Below are truly Linux-specific types that should never collide with
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* any application/library that wants linux/types.h.
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*/
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/* sparse defines __CHECKER__; see Documentation/dev-tools/sparse.rst */
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#ifdef __CHECKER__
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#define __bitwise __attribute__((bitwise))
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#else
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#define __bitwise
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#endif
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/* The kernel doesn't use this legacy form, but user space does */
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#define __bitwise__ __bitwise
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typedef __u16 __bitwise __le16;
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typedef __u16 __bitwise __be16;
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typedef __u32 __bitwise __le32;
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typedef __u32 __bitwise __be32;
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typedef __u64 __bitwise __le64;
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typedef __u64 __bitwise __be64;
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typedef __u16 __bitwise __sum16;
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typedef __u32 __bitwise __wsum;
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/*
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* aligned_u64 should be used in defining kernel<->userspace ABIs to avoid
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* common 32/64-bit compat problems.
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* 64-bit values align to 4-byte boundaries on x86_32 (and possibly other
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* architectures) and to 8-byte boundaries on 64-bit architectures. The new
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* aligned_64 type enforces 8-byte alignment so that structs containing
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* aligned_64 values have the same alignment on 32-bit and 64-bit architectures.
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* No conversions are necessary between 32-bit user-space and a 64-bit kernel.
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*/
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#define __aligned_u64 __u64 __attribute__((aligned(8)))
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#define __aligned_be64 __be64 __attribute__((aligned(8)))
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#define __aligned_le64 __le64 __attribute__((aligned(8)))
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typedef unsigned __bitwise __poll_t;
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#endif /* __ASSEMBLY__ */
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#endif /* _LINUX_TYPES_H */
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