/*
  Copyright (c) 2012 DataLab, s.l. <http://www.datalab.es>

  This file is part of the cluster/ec translator for GlusterFS.

  The cluster/ec translator for GlusterFS is free software: you can
  redistribute it and/or modify it under the terms of the GNU General
  Public License as published by the Free Software Foundation, either
  version 3 of the License, or (at your option) any later version.

  The cluster/ec translator for GlusterFS is distributed in the hope
  that it will be useful, but WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE. See the GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with the cluster/ec translator for GlusterFS. If not, see
  <http://www.gnu.org/licenses/>.
*/

#ifndef __EC_METHOD_H__
#define __EC_METHOD_H__

#include "ec-gf.h"

#define EC_METHOD_MAX_FRAGMENTS 16

#define EC_METHOD_WORD_SIZE 16

#define EC_BUFFER_ALIGN_SIZE EC_METHOD_WORD_SIZE

#define EC_METHOD_BITS EC_GF_BITS
#define EC_METHOD_SIZE (1 << (EC_METHOD_BITS))
#define EC_METHOD_CHUNK_SIZE (EC_METHOD_WORD_SIZE * EC_METHOD_BITS)

void ec_method_initialize(void);
size_t ec_method_encode(size_t size, uint32_t columns, uint32_t row,
                        uint8_t * in, uint8_t * out);
size_t ec_method_decode(size_t size, uint32_t columns, uint32_t * rows,
                        uint8_t ** in, uint8_t * out);

#endif /* __EC_METHOD_H__ */