1#ifndef FIO_BSWAP_H 2#define FIO_BSWAP_H 3 4#include <inttypes.h> 5 6#ifdef CONFIG_LITTLE_ENDIAN 7static inline uint32_t __be32_to_cpu(uint32_t val) 8{ 9 uint32_t c1, c2, c3, c4; 10 11 c1 = (val >> 24) & 0xff; 12 c2 = (val >> 16) & 0xff; 13 c3 = (val >> 8) & 0xff; 14 c4 = val & 0xff; 15 16 return c1 | c2 << 8 | c3 << 16 | c4 << 24; 17} 18 19static inline uint64_t __be64_to_cpu(uint64_t val) 20{ 21 uint64_t c1, c2, c3, c4, c5, c6, c7, c8; 22 23 c1 = (val >> 56) & 0xff; 24 c2 = (val >> 48) & 0xff; 25 c3 = (val >> 40) & 0xff; 26 c4 = (val >> 32) & 0xff; 27 c5 = (val >> 24) & 0xff; 28 c6 = (val >> 16) & 0xff; 29 c7 = (val >> 8) & 0xff; 30 c8 = val & 0xff; 31 32 return c1 | c2 << 8 | c3 << 16 | c4 << 24 | c5 << 32 | c6 << 40 | c7 << 48 | c8 << 56; 33} 34#else 35static inline uint64_t __be64_to_cpu(uint64_t val) 36{ 37 return val; 38} 39 40static inline uint32_t __be32_to_cpu(uint32_t val) 41{ 42 return val; 43} 44#endif 45 46#endif 47