Import ceph 15.2.8

[ceph.git] / ceph / src / isa-l / crc / aarch64 / crc_aarch64_dispatcher.c

diff --git a/ceph/src/isa-l/crc/aarch64/crc_aarch64_dispatcher.c b/ceph/src/isa-l/crc/aarch64/crc_aarch64_dispatcher.c
new file mode 100644 (file)
index 0000000..bac9eeb
--- /dev/null
+++ b/ceph/src/isa-l/crc/aarch64/crc_aarch64_dispatcher.c
@@ -0,0 +1,145 @@
+/**********************************************************************
+  Copyright(c) 2019 Arm Corporation All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the
+      distribution.
+    * Neither the name of Arm Corporation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**********************************************************************/
+#include <aarch64_multibinary.h>
+
+DEFINE_INTERFACE_DISPATCHER(crc16_t10dif)
+{
+       unsigned long auxval = getauxval(AT_HWCAP);
+       if (auxval & HWCAP_PMULL)
+               return PROVIDER_INFO(crc16_t10dif_pmull);
+
+       return PROVIDER_BASIC(crc16_t10dif);
+
+}
+
+DEFINE_INTERFACE_DISPATCHER(crc16_t10dif_copy)
+{
+       unsigned long auxval = getauxval(AT_HWCAP);
+       if (auxval & HWCAP_PMULL)
+               return PROVIDER_INFO(crc16_t10dif_copy_pmull);
+
+       return PROVIDER_BASIC(crc16_t10dif_copy);
+
+}
+
+DEFINE_INTERFACE_DISPATCHER(crc32_ieee)
+{
+       unsigned long auxval = getauxval(AT_HWCAP);
+       if (auxval & HWCAP_PMULL) {
+               return PROVIDER_INFO(crc32_ieee_norm_pmull);
+       }
+
+       return PROVIDER_BASIC(crc32_ieee);
+
+}
+
+DEFINE_INTERFACE_DISPATCHER(crc32_iscsi)
+{
+       unsigned long auxval = getauxval(AT_HWCAP);
+       if (auxval & HWCAP_CRC32)
+               return PROVIDER_INFO(crc32_iscsi_refl_hw_fold);
+       if (auxval & HWCAP_PMULL) {
+               return PROVIDER_INFO(crc32_iscsi_refl_pmull);
+       }
+       return PROVIDER_BASIC(crc32_iscsi);
+
+}
+
+DEFINE_INTERFACE_DISPATCHER(crc32_gzip_refl)
+{
+       unsigned long auxval = getauxval(AT_HWCAP);
+       if (auxval & HWCAP_CRC32)
+               return PROVIDER_INFO(crc32_gzip_refl_hw_fold);
+       if (auxval & HWCAP_PMULL)
+               return PROVIDER_INFO(crc32_gzip_refl_pmull);
+
+       return PROVIDER_BASIC(crc32_gzip_refl);
+
+}
+
+DEFINE_INTERFACE_DISPATCHER(crc64_ecma_refl)
+{
+       unsigned long auxval = getauxval(AT_HWCAP);
+
+       if (auxval & HWCAP_PMULL)
+               return PROVIDER_INFO(crc64_ecma_refl_pmull);
+
+       return PROVIDER_BASIC(crc64_ecma_refl);
+
+}
+
+DEFINE_INTERFACE_DISPATCHER(crc64_ecma_norm)
+{
+       unsigned long auxval = getauxval(AT_HWCAP);
+       if (auxval & HWCAP_PMULL)
+               return PROVIDER_INFO(crc64_ecma_norm_pmull);
+
+       return PROVIDER_BASIC(crc64_ecma_norm);
+
+}
+
+DEFINE_INTERFACE_DISPATCHER(crc64_iso_refl)
+{
+       unsigned long auxval = getauxval(AT_HWCAP);
+       if (auxval & HWCAP_PMULL)
+               return PROVIDER_INFO(crc64_iso_refl_pmull);
+
+       return PROVIDER_BASIC(crc64_iso_refl);
+
+}
+
+DEFINE_INTERFACE_DISPATCHER(crc64_iso_norm)
+{
+       unsigned long auxval = getauxval(AT_HWCAP);
+       if (auxval & HWCAP_PMULL)
+               return PROVIDER_INFO(crc64_iso_norm_pmull);
+
+       return PROVIDER_BASIC(crc64_iso_norm);
+
+}
+
+DEFINE_INTERFACE_DISPATCHER(crc64_jones_refl)
+{
+       unsigned long auxval = getauxval(AT_HWCAP);
+       if (auxval & HWCAP_PMULL)
+               return PROVIDER_INFO(crc64_jones_refl_pmull);
+
+       return PROVIDER_BASIC(crc64_jones_refl);
+
+}
+
+DEFINE_INTERFACE_DISPATCHER(crc64_jones_norm)
+{
+       unsigned long auxval = getauxval(AT_HWCAP);
+       if (auxval & HWCAP_PMULL)
+               return PROVIDER_INFO(crc64_jones_norm_pmull);
+
+       return PROVIDER_BASIC(crc64_jones_norm);
+
+}