X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=crc%2Fcrc32c.h;h=18f1161d0a7127cda69eb492574d7b4a8fd8fcb3;hb=09c81e1396279c9d6c1b55ff5621588966818c67;hp=cf1713692b76e82efeb516740d0a1275875c70d1;hpb=3845591fadea480177223e28c9d1c03642d34f0e;p=fio.git

diff --git a/crc/crc32c.h b/crc/crc32c.h
index cf171369..18f1161d 100644
--- a/crc/crc32c.h
+++ b/crc/crc32c.h
@@ -13,12 +13,49 @@
 
    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
 
-extern uint32_t crc32c(unsigned char const *, unsigned long);
+#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;
+
+#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 void crc32c_intel_probe(void);
+#else
+#define crc32c_intel crc32c_sw
+static inline void crc32c_intel_probe(void)
+{
+}
+#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