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Commit b01df1c1 authored by Daniel Axtens's avatar Daniel Axtens Committed by Herbert Xu
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crypto: powerpc - Add CRC-T10DIF acceleration 



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: default avatarDaniel Axtens <dja@axtens.net>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 08c7dd1b

arch/powerpc/crypto/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ obj-$(CONFIG_CRYPTO_SHA1_PPC) += sha1-powerpc.o 
obj-$(CONFIG_CRYPTO_SHA1_PPC_SPE) += sha1-ppc-spe.o

obj-$(CONFIG_CRYPTO_SHA256_PPC_SPE) += sha256-ppc-spe.o

obj-$(CONFIG_CRYPTO_CRC32C_VPMSUM) += crc32c-vpmsum.o

obj-$(CONFIG_CRYPTO_CRCT10DIF_VPMSUM) += crct10dif-vpmsum.o



aes-ppc-spe-y := aes-spe-core.o aes-spe-keys.o aes-tab-4k.o aes-spe-modes.o aes-spe-glue.o

md5-ppc-y := md5-asm.o md5-glue.o
@@ -17,3 +18,4 @@ sha1-powerpc-y := sha1-powerpc-asm.o sha1.o 
sha1-ppc-spe-y := sha1-spe-asm.o sha1-spe-glue.o

sha256-ppc-spe-y := sha256-spe-asm.o sha256-spe-glue.o

crc32c-vpmsum-y := crc32c-vpmsum_asm.o crc32c-vpmsum_glue.o

crct10dif-vpmsum-y := crct10dif-vpmsum_asm.o crct10dif-vpmsum_glue.o