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crypto: sha-mb - multibuffer crypto infrastructure

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This patch introduces the multi-buffer crypto daemon which is responsible
for submitting crypto jobs in a work queue to the responsible multi-buffer
crypto algorithm.  The idea of the multi-buffer algorihtm is to put
data streams from multiple jobs in a wide (AVX2) register and then
take advantage of SIMD instructions to do crypto computation on several
buffers simultaneously.

The multi-buffer crypto daemon is also responsbile for flushing the
remaining buffers to complete the computation if no new buffers arrive
for a while.

Signed-off-by: Tim Chen <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Tim Chen 2014-07-31 10:29:51 -07:00 • committed by Herbert Xu
commit 1e65b81a90
5 changed files with 857 additions and 0 deletions
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1
crypto/Makefile
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@ -60,6 +60,7 @@ obj-$(CONFIG_CRYPTO_GCM) += gcm.o
obj-$(CONFIG_CRYPTO_CCM) += ccm.o
obj-$(CONFIG_CRYPTO_PCRYPT) += pcrypt.o
obj-$(CONFIG_CRYPTO_CRYPTD) += cryptd.o
obj-$(CONFIG_CRYPTO_MCRYPTD) += mcryptd.o
obj-$(CONFIG_CRYPTO_DES) += des_generic.o
obj-$(CONFIG_CRYPTO_FCRYPT) += fcrypt.o
obj-$(CONFIG_CRYPTO_BLOWFISH) += blowfish_generic.o