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yaml --- r: 108268 b: refs/heads/master c: bc2aa80 h: refs/heads/master v: v3
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Harvey Harrison
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Linus Torvalds
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Aug 12, 2008
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| --- | ||
| refs/heads/master: 40c9f22210f2d22f45d4fb430c94f472d19407d6 | ||
| refs/heads/master: bc2aa80e18a1b43ea2b8066500006b729c4ba4a7 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,372 @@ | ||
| #ifndef _LINUX_BYTEORDER_H | ||
| #define _LINUX_BYTEORDER_H | ||
|
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| #include <linux/types.h> | ||
| #include <linux/swab.h> | ||
|
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||
| #if defined(__LITTLE_ENDIAN) && defined(__BIG_ENDIAN) | ||
| # error Fix asm/byteorder.h to define one endianness | ||
| #endif | ||
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| #if !defined(__LITTLE_ENDIAN) && !defined(__BIG_ENDIAN) | ||
| # error Fix asm/byteorder.h to define arch endianness | ||
| #endif | ||
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| #ifdef __LITTLE_ENDIAN | ||
| # undef __LITTLE_ENDIAN | ||
| # define __LITTLE_ENDIAN 1234 | ||
| #endif | ||
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| #ifdef __BIG_ENDIAN | ||
| # undef __BIG_ENDIAN | ||
| # define __BIG_ENDIAN 4321 | ||
| #endif | ||
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| #if defined(__LITTLE_ENDIAN) && !defined(__LITTLE_ENDIAN_BITFIELD) | ||
| # define __LITTLE_ENDIAN_BITFIELD | ||
| #endif | ||
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| #if defined(__BIG_ENDIAN) && !defined(__BIG_ENDIAN_BITFIELD) | ||
| # define __BIG_ENDIAN_BITFIELD | ||
| #endif | ||
|
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| #ifdef __LITTLE_ENDIAN | ||
| # define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ||
| # define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ||
| # define __le64_to_cpu(x) ((__force __u64)(__le64)(x)) | ||
| # define __cpu_to_le16(x) ((__force __le16)(__u16)(x)) | ||
| # define __cpu_to_le32(x) ((__force __le32)(__u32)(x)) | ||
| # define __cpu_to_le64(x) ((__force __le64)(__u64)(x)) | ||
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| # define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x)) | ||
| # define __be32_to_cpu(x) __swab32((__force __u32)(__be32)(x)) | ||
| # define __be64_to_cpu(x) __swab64((__force __u64)(__be64)(x)) | ||
| # define __cpu_to_be16(x) ((__force __be16)__swab16(x)) | ||
| # define __cpu_to_be32(x) ((__force __be32)__swab32(x)) | ||
| # define __cpu_to_be64(x) ((__force __be64)__swab64(x)) | ||
| #endif | ||
|
|
||
| #ifdef __BIG_ENDIAN | ||
| # define __be16_to_cpu(x) ((__force __u16)(__be16)(x)) | ||
| # define __be32_to_cpu(x) ((__force __u32)(__be32)(x)) | ||
| # define __be64_to_cpu(x) ((__force __u64)(__be64)(x)) | ||
| # define __cpu_to_be16(x) ((__force __be16)(__u16)(x)) | ||
| # define __cpu_to_be32(x) ((__force __be32)(__u32)(x)) | ||
| # define __cpu_to_be64(x) ((__force __be64)(__u64)(x)) | ||
|
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| # define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ||
| # define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ||
| # define __le64_to_cpu(x) __swab64((__force __u64)(__le64)(x)) | ||
| # define __cpu_to_le16(x) ((__force __le16)__swab16(x)) | ||
| # define __cpu_to_le32(x) ((__force __le32)__swab32(x)) | ||
| # define __cpu_to_le64(x) ((__force __le64)__swab64(x)) | ||
| #endif | ||
|
|
||
| /* | ||
| * These helpers could be phased out over time as the base version | ||
| * handles constant folding. | ||
| */ | ||
| #define __constant_htonl(x) __cpu_to_be32(x) | ||
| #define __constant_ntohl(x) __be32_to_cpu(x) | ||
| #define __constant_htons(x) __cpu_to_be16(x) | ||
| #define __constant_ntohs(x) __be16_to_cpu(x) | ||
|
|
||
| #define __constant_le16_to_cpu(x) __le16_to_cpu(x) | ||
| #define __constant_le32_to_cpu(x) __le32_to_cpu(x) | ||
| #define __constant_le64_to_cpu(x) __le64_to_cpu(x) | ||
| #define __constant_be16_to_cpu(x) __be16_to_cpu(x) | ||
| #define __constant_be32_to_cpu(x) __be32_to_cpu(x) | ||
| #define __constant_be64_to_cpu(x) __be64_to_cpu(x) | ||
|
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| #define __constant_cpu_to_le16(x) __cpu_to_le16(x) | ||
| #define __constant_cpu_to_le32(x) __cpu_to_le32(x) | ||
| #define __constant_cpu_to_le64(x) __cpu_to_le64(x) | ||
| #define __constant_cpu_to_be16(x) __cpu_to_be16(x) | ||
| #define __constant_cpu_to_be32(x) __cpu_to_be32(x) | ||
| #define __constant_cpu_to_be64(x) __cpu_to_be64(x) | ||
|
|
||
| static inline void __le16_to_cpus(__u16 *p) | ||
| { | ||
| #ifdef __BIG_ENDIAN | ||
| __swab16s(p); | ||
| #endif | ||
| } | ||
|
|
||
| static inline void __cpu_to_le16s(__u16 *p) | ||
| { | ||
| #ifdef __BIG_ENDIAN | ||
| __swab16s(p); | ||
| #endif | ||
| } | ||
|
|
||
| static inline void __le32_to_cpus(__u32 *p) | ||
| { | ||
| #ifdef __BIG_ENDIAN | ||
| __swab32s(p); | ||
| #endif | ||
| } | ||
|
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| static inline void __cpu_to_le32s(__u32 *p) | ||
| { | ||
| #ifdef __BIG_ENDIAN | ||
| __swab32s(p); | ||
| #endif | ||
| } | ||
|
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| static inline void __le64_to_cpus(__u64 *p) | ||
| { | ||
| #ifdef __BIG_ENDIAN | ||
| __swab64s(p); | ||
| #endif | ||
| } | ||
|
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| static inline void __cpu_to_le64s(__u64 *p) | ||
| { | ||
| #ifdef __BIG_ENDIAN | ||
| __swab64s(p); | ||
| #endif | ||
| } | ||
|
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| static inline void __be16_to_cpus(__u16 *p) | ||
| { | ||
| #ifdef __LITTLE_ENDIAN | ||
| __swab16s(p); | ||
| #endif | ||
| } | ||
|
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| static inline void __cpu_to_be16s(__u16 *p) | ||
| { | ||
| #ifdef __LITTLE_ENDIAN | ||
| __swab16s(p); | ||
| #endif | ||
| } | ||
|
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| static inline void __be32_to_cpus(__u32 *p) | ||
| { | ||
| #ifdef __LITTLE_ENDIAN | ||
| __swab32s(p); | ||
| #endif | ||
| } | ||
|
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| static inline void __cpu_to_be32s(__u32 *p) | ||
| { | ||
| #ifdef __LITTLE_ENDIAN | ||
| __swab32s(p); | ||
| #endif | ||
| } | ||
|
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| static inline void __be64_to_cpus(__u64 *p) | ||
| { | ||
| #ifdef __LITTLE_ENDIAN | ||
| __swab64s(p); | ||
| #endif | ||
| } | ||
|
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| static inline void __cpu_to_be64s(__u64 *p) | ||
| { | ||
| #ifdef __LITTLE_ENDIAN | ||
| __swab64s(p); | ||
| #endif | ||
| } | ||
|
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| static inline __u16 __le16_to_cpup(const __le16 *p) | ||
| { | ||
| #ifdef __LITTLE_ENDIAN | ||
| return (__force __u16)*p; | ||
| #else | ||
| return __swab16p((__force __u16 *)p); | ||
| #endif | ||
| } | ||
|
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| static inline __u32 __le32_to_cpup(const __le32 *p) | ||
| { | ||
| #ifdef __LITTLE_ENDIAN | ||
| return (__force __u32)*p; | ||
| #else | ||
| return __swab32p((__force __u32 *)p); | ||
| #endif | ||
| } | ||
|
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| static inline __u64 __le64_to_cpup(const __le64 *p) | ||
| { | ||
| #ifdef __LITTLE_ENDIAN | ||
| return (__force __u64)*p; | ||
| #else | ||
| return __swab64p((__force __u64 *)p); | ||
| #endif | ||
| } | ||
|
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| static inline __le16 __cpu_to_le16p(const __u16 *p) | ||
| { | ||
| #ifdef __LITTLE_ENDIAN | ||
| return (__force __le16)*p; | ||
| #else | ||
| return (__force __le16)__swab16p(p); | ||
| #endif | ||
| } | ||
|
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| static inline __le32 __cpu_to_le32p(const __u32 *p) | ||
| { | ||
| #ifdef __LITTLE_ENDIAN | ||
| return (__force __le32)*p; | ||
| #else | ||
| return (__force __le32)__swab32p(p); | ||
| #endif | ||
| } | ||
|
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| static inline __le64 __cpu_to_le64p(const __u64 *p) | ||
| { | ||
| #ifdef __LITTLE_ENDIAN | ||
| return (__force __le64)*p; | ||
| #else | ||
| return (__force __le64)__swab64p(p); | ||
| #endif | ||
| } | ||
|
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| static inline __u16 __be16_to_cpup(const __be16 *p) | ||
| { | ||
| #ifdef __BIG_ENDIAN | ||
| return (__force __u16)*p; | ||
| #else | ||
| return __swab16p((__force __u16 *)p); | ||
| #endif | ||
| } | ||
|
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| static inline __u32 __be32_to_cpup(const __be32 *p) | ||
| { | ||
| #ifdef __BIG_ENDIAN | ||
| return (__force __u32)*p; | ||
| #else | ||
| return __swab32p((__force __u32 *)p); | ||
| #endif | ||
| } | ||
|
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| static inline __u64 __be64_to_cpup(const __be64 *p) | ||
| { | ||
| #ifdef __BIG_ENDIAN | ||
| return (__force __u64)*p; | ||
| #else | ||
| return __swab64p((__force __u64 *)p); | ||
| #endif | ||
| } | ||
|
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| static inline __be16 __cpu_to_be16p(const __u16 *p) | ||
| { | ||
| #ifdef __BIG_ENDIAN | ||
| return (__force __be16)*p; | ||
| #else | ||
| return (__force __be16)__swab16p(p); | ||
| #endif | ||
| } | ||
|
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||
| static inline __be32 __cpu_to_be32p(const __u32 *p) | ||
| { | ||
| #ifdef __BIG_ENDIAN | ||
| return (__force __be32)*p; | ||
| #else | ||
| return (__force __be32)__swab32p(p); | ||
| #endif | ||
| } | ||
|
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| static inline __be64 __cpu_to_be64p(const __u64 *p) | ||
| { | ||
| #ifdef __BIG_ENDIAN | ||
| return (__force __be64)*p; | ||
| #else | ||
| return (__force __be64)__swab64p(p); | ||
| #endif | ||
| } | ||
|
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| #ifdef __KERNEL__ | ||
|
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| # define le16_to_cpu __le16_to_cpu | ||
| # define le32_to_cpu __le32_to_cpu | ||
| # define le64_to_cpu __le64_to_cpu | ||
| # define be16_to_cpu __be16_to_cpu | ||
| # define be32_to_cpu __be32_to_cpu | ||
| # define be64_to_cpu __be64_to_cpu | ||
| # define cpu_to_le16 __cpu_to_le16 | ||
| # define cpu_to_le32 __cpu_to_le32 | ||
| # define cpu_to_le64 __cpu_to_le64 | ||
| # define cpu_to_be16 __cpu_to_be16 | ||
| # define cpu_to_be32 __cpu_to_be32 | ||
| # define cpu_to_be64 __cpu_to_be64 | ||
|
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| # define le16_to_cpup __le16_to_cpup | ||
| # define le32_to_cpup __le32_to_cpup | ||
| # define le64_to_cpup __le64_to_cpup | ||
| # define be16_to_cpup __be16_to_cpup | ||
| # define be32_to_cpup __be32_to_cpup | ||
| # define be64_to_cpup __be64_to_cpup | ||
| # define cpu_to_le16p __cpu_to_le16p | ||
| # define cpu_to_le32p __cpu_to_le32p | ||
| # define cpu_to_le64p __cpu_to_le64p | ||
| # define cpu_to_be16p __cpu_to_be16p | ||
| # define cpu_to_be32p __cpu_to_be32p | ||
| # define cpu_to_be64p __cpu_to_be64p | ||
|
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| # define le16_to_cpus __le16_to_cpus | ||
| # define le32_to_cpus __le32_to_cpus | ||
| # define le64_to_cpus __le64_to_cpus | ||
| # define be16_to_cpus __be16_to_cpus | ||
| # define be32_to_cpus __be32_to_cpus | ||
| # define be64_to_cpus __be64_to_cpus | ||
| # define cpu_to_le16s __cpu_to_le16s | ||
| # define cpu_to_le32s __cpu_to_le32s | ||
| # define cpu_to_le64s __cpu_to_le64s | ||
| # define cpu_to_be16s __cpu_to_be16s | ||
| # define cpu_to_be32s __cpu_to_be32s | ||
| # define cpu_to_be64s __cpu_to_be64s | ||
|
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| /* | ||
| * They have to be macros in order to do the constant folding | ||
| * correctly - if the argument passed into a inline function | ||
| * it is no longer constant according to gcc.. | ||
| */ | ||
| # undef ntohl | ||
| # undef ntohs | ||
| # undef htonl | ||
| # undef htons | ||
|
|
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| # define ___htonl(x) __cpu_to_be32(x) | ||
| # define ___htons(x) __cpu_to_be16(x) | ||
| # define ___ntohl(x) __be32_to_cpu(x) | ||
| # define ___ntohs(x) __be16_to_cpu(x) | ||
|
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| # define htonl(x) ___htonl(x) | ||
| # define ntohl(x) ___ntohl(x) | ||
| # define htons(x) ___htons(x) | ||
| # define ntohs(x) ___ntohs(x) | ||
|
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| static inline void le16_add_cpu(__le16 *var, u16 val) | ||
| { | ||
| *var = cpu_to_le16(le16_to_cpup(var) + val); | ||
| } | ||
|
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| static inline void le32_add_cpu(__le32 *var, u32 val) | ||
| { | ||
| *var = cpu_to_le32(le32_to_cpup(var) + val); | ||
| } | ||
|
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| static inline void le64_add_cpu(__le64 *var, u64 val) | ||
| { | ||
| *var = cpu_to_le64(le64_to_cpup(var) + val); | ||
| } | ||
|
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| static inline void be16_add_cpu(__be16 *var, u16 val) | ||
| { | ||
| *var = cpu_to_be16(be16_to_cpup(var) + val); | ||
| } | ||
|
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| static inline void be32_add_cpu(__be32 *var, u32 val) | ||
| { | ||
| *var = cpu_to_be32(be32_to_cpup(var) + val); | ||
| } | ||
|
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| static inline void be64_add_cpu(__be64 *var, u64 val) | ||
| { | ||
| *var = cpu_to_be64(be64_to_cpup(var) + val); | ||
| } | ||
|
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| #endif /* __KERNEL__ */ | ||
| #endif /* _LINUX_BYTEORDER_H */ |