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Diffstat (limited to '')
| -rw-r--r-- | src/common/crc32c_intel_fast.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/common/crc32c_intel_fast.h b/src/common/crc32c_intel_fast.h new file mode 100644 index 000000000..26a444f60 --- /dev/null +++ b/src/common/crc32c_intel_fast.h @@ -0,0 +1,28 @@ +#ifndef CEPH_COMMON_CRC32C_INTEL_FAST_H +#define CEPH_COMMON_CRC32C_INTEL_FAST_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* is the fast version compiled in */ +extern int ceph_crc32c_intel_fast_exists(void); + +#ifdef __x86_64__ + +extern uint32_t ceph_crc32c_intel_fast(uint32_t crc, unsigned char const *buffer, unsigned len); + +#else + +static inline uint32_t ceph_crc32c_intel_fast(uint32_t crc, unsigned char const *buffer, unsigned len) +{ + return 0; +} + +#endif + +#ifdef __cplusplus +} +#endif + +#endif |