2016-08-02 16:34:45 +00:00
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/*-
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* BSD LICENSE
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*
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* Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPDK_CRC32C_H
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#define SPDK_CRC32C_H
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2017-05-02 18:18:25 +00:00
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#include "spdk/stdinc.h"
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2016-08-02 16:34:45 +00:00
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#define SPDK_CRC32C_INITIAL 0xffffffffUL
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#define SPDK_CRC32C_XOR 0xffffffffUL
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#define SPDK_CRC32C_POLYNOMIAL 0x1edc6f41UL
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#define SPDK_CRC32C_POLYNOMIAL_REFLECT 0x82f63b78UL
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#ifdef USE_ISAL
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uint32_t crc32_iscsi(const uint8_t *buf, size_t len, uint32_t crc);
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#define spdk_update_crc32c(a,b,c) crc32_iscsi(a,b,c)
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#else
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uint32_t spdk_update_crc32c(const uint8_t *buf, size_t len, uint32_t crc);
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#endif
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#endif /* SPDK_CRC32C_H */
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