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Sources/ucode/include/linux/types.h

  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 
 12 /*
 13  * Below are truly Linux-specific types that should never collide with
 14  * any application/library that wants linux/types.h.
 15  */
 16 
 17 #ifdef __CHECKER__
 18 #define __bitwise__ __attribute__((bitwise))
 19 #else
 20 #define __bitwise__
 21 #endif
 22 #define __bitwise __bitwise__
 23 
 24 typedef __u16 __bitwise __le16;
 25 typedef __u16 __bitwise __be16;
 26 typedef __u32 __bitwise __le32;
 27 typedef __u32 __bitwise __be32;
 28 typedef __u64 __bitwise __le64;
 29 typedef __u64 __bitwise __be64;
 30 
 31 typedef __u16 __bitwise __sum16;
 32 typedef __u32 __bitwise __wsum;
 33 
 34 /*
 35  * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid
 36  * common 32/64-bit compat problems.
 37  * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other
 38  * architectures) and to 8-byte boundaries on 64-bit architectures.  The new
 39  * aligned_64 type enforces 8-byte alignment so that structs containing
 40  * aligned_64 values have the same alignment on 32-bit and 64-bit architectures.
 41  * No conversions are necessary between 32-bit user-space and a 64-bit kernel.
 42  */
 43 #define __aligned_u64 __u64 __attribute__((aligned(8)))
 44 #define __aligned_be64 __be64 __attribute__((aligned(8)))
 45 #define __aligned_le64 __le64 __attribute__((aligned(8)))
 46 
 47 typedef unsigned __bitwise __poll_t;
 48 
 49 #endif /*  __ASSEMBLY__ */
 50 #endif /* _LINUX_TYPES_H */
 51 

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