diff options
Diffstat (limited to 'xlators/cluster/ec/src/ec-method.h')
| -rw-r--r-- | xlators/cluster/ec/src/ec-method.h | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/xlators/cluster/ec/src/ec-method.h b/xlators/cluster/ec/src/ec-method.h index 29b46e10443..f91233b2f88 100644 --- a/xlators/cluster/ec/src/ec-method.h +++ b/xlators/cluster/ec/src/ec-method.h @@ -1,5 +1,5 @@ /* - Copyright (c) 2012-2014 DataLab, s.l. <http://www.datalab.es> + 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 @@ -11,22 +11,38 @@ #ifndef __EC_METHOD_H__ #define __EC_METHOD_H__ -#include "ec-gf.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_MAX_NODES (EC_GF_SIZE - 1) #define EC_METHOD_WORD_SIZE 64 #define EC_METHOD_CHUNK_SIZE (EC_METHOD_WORD_SIZE * EC_GF_BITS) -#define EC_METHOD_WIDTH (EC_METHOD_WORD_SIZE / EC_GF_WORD_SIZE) -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); +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__ */ |