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5270 | serge | 1 | #ifndef _UAPI_LINUX_TYPES_H |
2 | #define _UAPI_LINUX_TYPES_H |
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3 | |||
4 | #include |
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5 | |||
6 | #ifndef __ASSEMBLY__ |
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7 | #ifndef __KERNEL__ |
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8 | #ifndef __EXPORTED_HEADERS__ |
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9 | #warning "Attempt to use kernel headers from user space, see http://kernelnewbies.org/KernelHeaders" |
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10 | #endif /* __EXPORTED_HEADERS__ */ |
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11 | #endif |
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12 | |||
13 | #include |
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14 | |||
15 | |||
16 | /* |
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17 | * Below are truly Linux-specific types that should never collide with |
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18 | * any application/library that wants linux/types.h. |
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19 | */ |
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20 | |||
21 | #ifdef __CHECKER__ |
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22 | #define __bitwise__ __attribute__((bitwise)) |
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23 | #else |
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24 | #define __bitwise__ |
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25 | #endif |
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26 | #ifdef __CHECK_ENDIAN__ |
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27 | #define __bitwise __bitwise__ |
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28 | #else |
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29 | #define __bitwise |
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30 | #endif |
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31 | |||
32 | typedef __u16 __bitwise __le16; |
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33 | typedef __u16 __bitwise __be16; |
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34 | typedef __u32 __bitwise __le32; |
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35 | typedef __u32 __bitwise __be32; |
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36 | typedef __u64 __bitwise __le64; |
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37 | typedef __u64 __bitwise __be64; |
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38 | |||
39 | typedef __u16 __bitwise __sum16; |
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40 | typedef __u32 __bitwise __wsum; |
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41 | |||
42 | /* |
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43 | * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid |
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44 | * common 32/64-bit compat problems. |
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45 | * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other |
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46 | * architectures) and to 8-byte boundaries on 64-bit architectures. The new |
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47 | * aligned_64 type enforces 8-byte alignment so that structs containing |
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48 | * aligned_64 values have the same alignment on 32-bit and 64-bit architectures. |
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49 | * No conversions are necessary between 32-bit user-space and a 64-bit kernel. |
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50 | */ |
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51 | #define __aligned_u64 __u64 __attribute__((aligned(8))) |
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52 | #define __aligned_be64 __be64 __attribute__((aligned(8))) |
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53 | #define __aligned_le64 __le64 __attribute__((aligned(8))) |
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54 | |||
55 | #endif /* __ASSEMBLY__ */ |
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56 | #endif /* _UAPI_LINUX_TYPES_H */-> |