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Annotation of embedaddon/istgt/src/istgt_crc32c.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2008-2010 Daisuke Aoyama <aoyama@peach.ne.jp>.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  *
        !            14:  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            15:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            16:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            17:  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
        !            18:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            19:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            20:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            21:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            22:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            23:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            24:  * SUCH DAMAGE.
        !            25:  *
        !            26:  */
        !            27: 
        !            28: #ifndef ISTGT_CRC32C_H
        !            29: #define ISTGT_CRC32C_H
        !            30: 
        !            31: #include <stdint.h>
        !            32: #include <stddef.h>
        !            33: #include <sys/uio.h>
        !            34: 
        !            35: #define ISTGT_USE_CRC32C_TABLE
        !            36: #define ISTGT_CRC32C_INITIAL    0xffffffffUL
        !            37: #define ISTGT_CRC32C_XOR        0xffffffffUL
        !            38: #define ISTGT_CRC32C_POLYNOMIAL 0x1edc6f41UL
        !            39: 
        !            40: void istgt_init_crc32c_table(void);
        !            41: uint32_t istgt_update_crc32c(const uint8_t *buf, size_t len, uint32_t crc);
        !            42: uint32_t istgt_fixup_crc32c(size_t total, uint32_t crc);
        !            43: uint32_t istgt_crc32c(const uint8_t *buf, size_t len);
        !            44: uint32_t istgt_iovec_crc32c(const struct iovec *iovp, int iovc, uint32_t offset, uint32_t len);
        !            45: 
        !            46: #endif /* ISTGT_CRC32C_H */