xor: First liberasurecode backend

Signed-off-by: Tushar Gohad <tushar.gohad@intel.com>

src/backends/xor/flat_xor_3.c

@@ -0,0 +1,68 @@
+/* 
+ * <Copyright>
+ *
+ * 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.
+ */
+
+#include "erasurecode.h"
+
+struct ec_backend_ops flat_xor_3_ops = {
+    .init                       = flat_xor_3_init,
+    .exit                       = flat_xor_3_exit,
+    .open                       = flat_xor_3_open,
+    .close                      = flat_xor_3_close,
+    .encode                     = flat_xor_3_encode,
+    .decode                     = flat_xor_3_decode,
+    .reconstruct                = flat_xor_3_reconstruct,
+    .get_fragments_needed       = flat_xor_3_min_fragments,
+    .get_fragment_metadata      = flat_xor_3_fragment_metadata,
+    .verify_fragment_metadata   = flat_xor_3_verify_frag_metadata,
+    .verify_stripe_metadata     = flat_xor_3_verify_stripe_metadata,
+};
+
+struct ec_backend flat_xor_3 = {
+    .id                 = EC_BACKEND_FLAT_XOR_3,
+    .name               = "flat_xor_3",
+    .soname             = "Xorcode",
+    .soversion          = "1.0",
+    .handle             = NULL,
+    .ops                = &flat_xor_3_ops,
+};
+
+static ec_backend_handle_t flat_xor_3_open(void)
+{
+    
+}
+
+static void flat_xor_3_close(ec_backend_handle_t handle)
+{
+    
+}
+
+static int flat_xor_3_init(void)
+{
+    return liberasurecode_backend_register(&flat_xor_3);
+}
+
+static int flat_xor_3_exit(void)
+{
+    return liberasurecode_backend_unregister(&flat_xor_3);
+}