nanosecond: reconcile terse output with nanosecond timing for latencies

[fio.git] / crc / crc32c.h

diff --git a/crc/crc32c.h b/crc/crc32c.h
index 1498db91a4d072ec77d2ec9ef488b81bd861c1ba..5d664079b940fcb1691ceb569e7882fee7b57966 100644 (file)
--- a/crc/crc32c.h
+++ b/crc/crc32c.h
@@ -18,6 +18,41 @@
 #ifndef CRC32C_H
 #define CRC32C_H
 
-extern uint32_t crc32c(unsigned char const *, unsigned long);
+#include "../arch/arch.h"
+
+extern uint32_t crc32c_sw(unsigned char const *, unsigned long);
+extern int crc32c_arm64_available;
+extern int crc32c_intel_available;
+
+#ifdef ARCH_HAVE_ARM64_CRC_CRYPTO
+extern uint32_t crc32c_arm64(unsigned char const *, unsigned long);
+extern void crc32c_arm64_probe(void);
+#else
+#define crc32c_arm64 crc32c_sw
+static inline void crc32c_arm64_probe(void)
+{
+}
+#endif
+
+#ifdef ARCH_HAVE_SSE4_2
+extern uint32_t crc32c_intel(unsigned char const *, unsigned long);
+extern void crc32c_intel_probe(void);
+#else
+#define crc32c_intel crc32c_sw
+static inline void crc32c_intel_probe(void)
+{
+}
+#endif
+
+static inline uint32_t fio_crc32c(unsigned char const *buf, unsigned long len)
+{
+       if (crc32c_arm64_available)
+               return crc32c_arm64(buf, len);
+
+       if (crc32c_intel_available)
+               return crc32c_intel(buf, len);
+
+       return crc32c_sw(buf, len);
+}
 
 #endif