crypto: powerpc - Add CRC-T10DIF acceleration

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T10DIF is a CRC16 used heavily in NVMe.

It turns out we can accelerate it with a CRC32 library and a few
little tricks.

Provide the accelerator based the refactored CRC32 code.

Cc: Anton Blanchard <anton@samba.org>
Thanks-to: Hong Bo Peng <penghb@cn.ibm.com>
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

...

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Daniel Axtens 2017-03-15 23:37:36 +11:00 • committed by Herbert Xu

parent 08c7dd1bd4

commit b01df1c16c

4 changed files with 986 additions and 0 deletions

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2

arch/powerpc/crypto/Makefile

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850

arch/powerpc/crypto/crct10dif-vpmsum_asm.S

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125

arch/powerpc/crypto/crct10dif-vpmsum_glue.c

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9

crypto/Kconfig

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