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Hardware specific features may be able to calculate a crc64, so provide a framework for drivers to register their implementation. If nothing is registered, fallback to the generic table lookup implementation. The implementation is modeled after the crct10dif equivalent. Signed-off-by: Keith Busch <kbusch@kernel.org> Link: https://lore.kernel.org/r/20220303201312.3255347-7-kbusch@kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
18 lines
539 B
C
18 lines
539 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* See lib/crc64.c for the related specification and polynomial arithmetic.
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*/
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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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#define CRC64_ROCKSOFT_STRING "crc64-rocksoft"
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u64 __pure crc64_be(u64 crc, const void *p, size_t len);
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u64 __pure crc64_rocksoft_generic(u64 crc, const void *p, size_t len);
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u64 crc64_rocksoft(const unsigned char *buffer, size_t len);
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u64 crc64_rocksoft_update(u64 crc, const unsigned char *buffer, size_t len);
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#endif /* _LINUX_CRC64_H */
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