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Diffstat (limited to 'xlators/cluster/ec/src/ec-method.h')
-rw-r--r-- | xlators/cluster/ec/src/ec-method.h | 42 |
1 files changed, 42 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..64e724ff3f0 --- /dev/null +++ b/xlators/cluster/ec/src/ec-method.h @@ -0,0 +1,42 @@ +/* + 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__ */ |