29 lines
923 B
C
29 lines
923 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_CRC64_H
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#define _LINUX_CRC64_H
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#include <linux/types.h>
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/**
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* crc64_be - Calculate bitwise big-endian ECMA-182 CRC64
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* @crc: seed value for computation. 0 or (u64)~0 for a new CRC calculation,
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* or the previous crc64 value if computing incrementally.
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* @p: pointer to buffer over which CRC64 is run
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* @len: length of buffer @p
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*/
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u64 crc64_be(u64 crc, const void *p, size_t len);
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/**
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* crc64_nvme - Calculate CRC64-NVME
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* @crc: seed value for computation. 0 for a new CRC calculation, or the
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* previous crc64 value if computing incrementally.
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* @p: pointer to buffer over which CRC64 is run
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* @len: length of buffer @p
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*
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* This computes the CRC64 defined in the NVME NVM Command Set Specification,
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* *including the bitwise inversion at the beginning and end*.
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*/
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u64 crc64_nvme(u64 crc, const void *p, size_t len);
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#endif /* _LINUX_CRC64_H */
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