cksum_utils.h

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/* -*- C -*- */
/*
 * Copyright (c) 2021 Seagate Technology LLC and/or its Affiliates
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For any questions about this software or licensing,
 * please email opensource@seagate.com or cortx-questions@seagate.com.
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#pragma once

#ifndef __MOTR_CKSUM_UTILS_H__
#define __MOTR_CKSUM_UTILS_H__


M0_INTERNAL m0_bcount_t m0_extent_get_num_unit_start(m0_bindex_t ext_start,
                                                     m0_bindex_t ext_len,
                                                     m0_bindex_t unit_sz);

M0_INTERNAL m0_bcount_t m0_extent_get_unit_offset(m0_bindex_t off,
                                                  m0_bindex_t base_off,
                                                  m0_bindex_t unit_sz);

M0_INTERNAL void * m0_extent_get_checksum_addr(void *b_addr, m0_bindex_t off,
                                               m0_bindex_t base_off,
                                               m0_bindex_t unit_sz,
                                               m0_bcount_t cs_size);

M0_INTERNAL m0_bcount_t m0_extent_get_checksum_nob(m0_bindex_t ext_start,
                                                   m0_bindex_t ext_length,
                                                   m0_bindex_t unit_sz,
                                                   m0_bcount_t cs_size);

M0_INTERNAL void * m0_extent_vec_get_checksum_addr(void *b_addr, m0_bindex_t off,
                                                   void *vec,
                                                   m0_bindex_t unit_sz,
                                                   m0_bcount_t cs_sz );

#endif /* __MOTR_CKSUM_UTILS_H__ */

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