acec05060d
Change license to BSD-3-Clause Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
32 lines
991 B
C
32 lines
991 B
C
/*
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* Copyright(c) 2012-2021 Intel Corporation
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef UTILS_DATA_H_
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#define UTILS_DATA_H_
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/**
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* @brief Copy data from a data vector to another one
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*
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* This function copies number of bytes from source IO vector to destination
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* IO vector. It starts coping to specified offset in destination IO vector. If
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* there is not enough space it will return number of bytes that was
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* successfully copied.
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*
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* @param dst destination IO vector
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* @param dst_num size of destination IO vector
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* @param src source IO vector
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* @param src_num size of source IO vector
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* @param to dst offset where write to will start
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* @param from src offset where write from will start
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* @param bytes number of bytes to be copied
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*
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* @return number of bytes written from src to dst
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*/
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uint64_t cas_data_cpy(struct bio_vec *dst, uint64_t dst_num,
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struct bio_vec *src, uint64_t src_num,
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uint64_t to, uint64_t from, uint64_t bytes);
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#endif /* UTILS_DATA_H_ */
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