1 files changed, 48 insertions, 0 deletions
diff --git a/xlators/cluster/ec/src/ec-method.h b/xlators/cluster/ec/src/ec-method.h
new file mode 100644
index 00000000000..f91233b2f88
--- /dev/null
+++ b/xlators/cluster/ec/src/ec-method.h
@@ -0,0 +1,48 @@
+/*
+  Copyright (c) 2012-2015 DataLab, s.l. <http://www.datalab.es>
+  This file is part of GlusterFS.
+
+  This file is licensed to you under your choice of the GNU Lesser
+  General Public License, version 3 or any later version (LGPLv3 or
+  later), or the GNU General Public License, version 2 (GPLv2), in all
+  cases as published by the Free Software Foundation.
+*/
+
+#ifndef __EC_METHOD_H__
+#define __EC_METHOD_H__
+
+#include "ec-types.h"
+#include "ec-galois.h"
+
+#define EC_GF_BITS 8
+#define EC_GF_MOD 0x11D
+
+#define EC_GF_SIZE (1 << EC_GF_BITS)
+
+/* Determines the maximum size of the matrix used to encode/decode data */
+#define EC_METHOD_MAX_FRAGMENTS 16
+/* Determines the maximum number of usable elements in the Galois Field */
+#define EC_METHOD_MAX_NODES (EC_GF_SIZE - 1)
+
+#define EC_METHOD_WORD_SIZE 64
+
+#define EC_METHOD_CHUNK_SIZE (EC_METHOD_WORD_SIZE * EC_GF_BITS)
+
+int32_t
+ec_method_init(xlator_t *xl, ec_matrix_list_t *list, uint32_t columns,
+               uint32_t rows, uint32_t max, const char *gen);
+
+void
+ec_method_fini(ec_matrix_list_t *list);
+
+int32_t
+ec_method_update(xlator_t *xl, ec_matrix_list_t *list, const char *gen);
+
+void
+ec_method_encode(ec_matrix_list_t *list, uint64_t size, void *in, void **out);
+
+int32_t
+ec_method_decode(ec_matrix_list_t *list, uint64_t size, uintptr_t mask,
+                 uint32_t *rows, void **in, void *out);
+
+#endif /* __EC_METHOD_H__ */