You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef CRC32C_H
#define CRC32C_H
+#include <inttypes.h>
+
#include "../arch/arch.h"
+#include "../lib/types.h"
+
+extern uint32_t crc32c_sw(unsigned char const *, unsigned long);
+extern bool crc32c_arm64_available;
+extern bool crc32c_intel_available;
-extern uint32_t crc32c(unsigned char const *, unsigned long);
+#ifdef ARCH_HAVE_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 /* ARCH_HAVE_CRC_CRYPTO */
#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
+#endif /* ARCH_HAVE_SSE4_2 */
+
+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