X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=crc%2Fcrc32c.h;h=11bcf9c8f4e8577efccf7eac467043bd572e617f;hb=108fea772db5f1dd91e2fb67737e3e0d36827b76;hp=596fd6c56a98f835933ee68c17b1e845e0309a7d;hpb=2f68124f26e54233db41b462a257dabc48e5c32b;p=fio.git

diff --git a/crc/crc32c.h b/crc/crc32c.h
index 596fd6c5..11bcf9c8 100644
--- a/crc/crc32c.h
+++ b/crc/crc32c.h
@@ -20,17 +20,25 @@
 
 #include "../arch/arch.h"
 
-extern uint32_t crc32c(unsigned char const *, unsigned long);
+extern uint32_t crc32c_sw(unsigned char const *, unsigned long);
+extern int crc32c_intel_available;
 
 #ifdef ARCH_HAVE_SSE4_2
 extern uint32_t crc32c_intel(unsigned char const *, unsigned long);
-extern int crc32c_intel_works(void);
+extern void crc32c_intel_probe(void);
 #else
-#define crc32c_intel crc32c
-static inline int crc32c_intel_works(void)
+#define crc32c_intel crc32c_sw
+static inline void crc32c_intel_probe(void)
 {
-	return 0;
 }
 #endif
 
+static inline uint32_t fio_crc32c(unsigned char const *buf, unsigned long len)
+{
+	if (crc32c_intel_available)
+		return crc32c_intel(buf, len);
+
+	return crc32c_sw(buf, len);
+}
+
 #endif