X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=crc%2Fcrc32c.h;h=be03c1a27cc28ad851b55e5bd47e2dbb5192a690;hb=969357b0f78cc16f85692638cdabd8e5f7c9d2a1;hp=50f3665f39375ddc4a8c4d6c7888930a13dcdda6;hpb=5d7c5d348d66794fd5e8aa3090f582358e6c5017;p=fio.git

diff --git a/crc/crc32c.h b/crc/crc32c.h
index 50f3665f..be03c1a2 100644
--- a/crc/crc32c.h
+++ b/crc/crc32c.h
@@ -13,24 +13,47 @@
 
    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 "../arch/arch.h"
+#include "../lib/types.h"
 
-extern uint32_t crc32c(unsigned char const *, unsigned long);
+extern uint32_t crc32c_sw(unsigned char const *, unsigned long);
+extern bool crc32c_arm64_available;
+extern bool crc32c_intel_available;
 
-#ifdef ARCH_HAVE_SSE
+#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 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_arm64_available)
+		return crc32c_arm64(buf, len);
+
+	if (crc32c_intel_available)
+		return crc32c_intel(buf, len);
+
+	return crc32c_sw(buf, len);
+}
+
 #endif