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![David Howells](/assets/img/avatar_default.png)
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
#ifndef _UAPI_LINUX_TYPES_H
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#define _UAPI_LINUX_TYPES_H
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#include <asm/types.h>
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#ifndef __ASSEMBLY__
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#ifndef __KERNEL__
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#ifndef __EXPORTED_HEADERS__
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#warning "Attempt to use kernel headers from user space, see http://kernelnewbies.org/KernelHeaders"
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#endif /* __EXPORTED_HEADERS__ */
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#endif
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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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#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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#ifdef __CHECK_ENDIAN__
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#define __bitwise __bitwise__
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#else
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#define __bitwise
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#endif
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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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#endif /* __ASSEMBLY__ */
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#endif /* _UAPI_LINUX_TYPES_H */
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