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Merge branch 'master' of ssh://brick.kernel.dk/data/git/fio
[fio.git]
/
crc
/
crc32c.h
diff --git
a/crc/crc32c.h
b/crc/crc32c.h
index 596fd6c56a98f835933ee68c17b1e845e0309a7d..11bcf9c8f4e8577efccf7eac467043bd572e617f 100644
(file)
--- a/
crc/crc32c.h
+++ b/
crc/crc32c.h
@@
-20,17
+20,25
@@
#include "../arch/arch.h"
#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);
#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
#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
}
#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
#endif