From: Tim Chen <tim.c.chen@linux.intel.com>
Date: Thu, 31 Jul 2014 17:29:51 +0000 (-0700)
Subject: crypto: sha-mb - multibuffer crypto infrastructure
X-Git-Tag: fixes-for-v3.18-merge-window~17^2~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e65b81a90df50bf450193065cc9073b706b8dda;p=pandora-kernel.git

crypto: sha-mb - multibuffer crypto infrastructure

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 <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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