1 files changed, 86 insertions, 0 deletions
diff --git a/src/backends/isa-l/isa_l_rs_cauchy.c b/src/backends/isa-l/isa_l_rs_cauchy.c
new file mode 100644
index 0000000..11bac53
--- /dev/null
+++ b/src/backends/isa-l/isa_l_rs_cauchy.c
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2014 Kevin M Greenan
+ * Copyright 2014 Tushar Gohad
+ * Copyright 2016 Kota Tsuyuzaki
+ *
+ * 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.  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 HOLDER 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.
+ *
+ * isa_l_rs_cauchy backend implementation
+ *
+ * vi: set noai tw=79 ts=4 sw=4:
+ */
+
+#include <stdlib.h>
+#include "erasurecode_backend.h"
+#include "isa_l_common.h"
+
+#define ISA_L_RS_CAUCHY_LIB_MAJOR 2
+#define ISA_L_RS_CAUCHY_LIB_MINOR 14
+#define ISA_L_RS_CAUCHY_LIB_REV   1
+#define ISA_L_RS_CAUCHY_LIB_VER_STR "2.14"
+#define ISA_L_RS_CAUCHY_LIB_NAME "isa_l_rs_cauchy"
+#if defined(__MACOS__) || defined(__MACOSX__) || defined(__OSX__) || defined(__APPLE__)
+#define ISA_L_RS_CAUCHY_SO_NAME "libisal.dylib"
+#else
+#define ISA_L_RS_CAUCHY_SO_NAME "libisal.so.2"
+#endif
+
+/* Forward declarations */
+struct ec_backend_op_stubs isa_l_rs_cauchy_ops;
+struct ec_backend isa_l_rs_cauchy;
+struct ec_backend_common backend_isa_l_rs_cauchy;
+
+static void * isa_l_rs_cauchy_init(struct ec_backend_args *args,
+        void *backend_sohandle)
+{
+    return isa_l_common_init(args, backend_sohandle, "gf_gen_cauchy1_matrix");
+}
+
+/*
+ * For the time being, we only claim compatibility with versions that
+ * match exactly
+ */
+static bool isa_l_rs_cauchy_is_compatible_with(uint32_t version) {
+    return version == backend_isa_l_rs_cauchy.ec_backend_version;
+}
+
+struct ec_backend_op_stubs isa_l_rs_cauchy_op_stubs = {
+    .INIT                       = isa_l_rs_cauchy_init,
+    .EXIT                       = isa_l_exit,
+    .ENCODE                     = isa_l_encode,
+    .DECODE                     = isa_l_decode,
+    .FRAGSNEEDED                = isa_l_min_fragments,
+    .RECONSTRUCT                = isa_l_reconstruct,
+    .ELEMENTSIZE                = isa_l_element_size,
+    .ISCOMPATIBLEWITH           = isa_l_rs_cauchy_is_compatible_with,
+};
+
+struct ec_backend_common backend_isa_l_rs_cauchy = {
+    .id                         = EC_BACKEND_ISA_L_RS_CAUCHY,
+    .name                       = ISA_L_RS_CAUCHY_LIB_NAME,
+    .soname                     = ISA_L_RS_CAUCHY_SO_NAME,
+    .soversion                  = ISA_L_RS_CAUCHY_LIB_VER_STR,
+    .ops                        = &isa_l_rs_cauchy_op_stubs,
+    .backend_metadata_size      = 0,
+    .ec_backend_version         = _VERSION(ISA_L_RS_CAUCHY_LIB_MAJOR,
+                                           ISA_L_RS_CAUCHY_LIB_MINOR,
+                                           ISA_L_RS_CAUCHY_LIB_REV),
+};