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The Intel Analytics Accelerator (IAA) is a hardware accelerator that
provides very high thoughput compression/decompression compatible with
the DEFLATE compression standard described in RFC 1951, which is the
compression/decompression algorithm exported by this module.
Users can select IAA compress/decompress acceleration by specifying
one of the deflate-iaa* algorithms as the compression algorithm to use
by whatever facility allows asynchronous compression algorithms to be
selected.
For example, zswap can select the IAA fixed deflate algorithm
'deflate-iaa' via:
# echo deflate-iaa > /sys/module/zswap/parameters/compressor
This patch adds iaa_crypto as an idxd sub-driver and tracks iaa
devices and workqueues as they are probed or removed.
[ Based on work originally by George Powley, Jing Lin and Kyung Min
Park ]
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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With the growing number of Intel crypto drivers, it makes sense to
group them all into a single drivers/crypto/intel/ directory.
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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With the growing number of Intel crypto drivers, it makes sense to
group them all into a single drivers/crypto/intel/ directory.
Create a separate drivers/crypto/intel/ixp4xx directory and move
drivers/crypto/ixp4xx_crypto.c to it, along with a new Kconfig and
Makefile to contain the config and make bits.
Also add a COMPILE_TEST dependency to CRYPTO_DEV_IXP4XX so it can be
more easily compile-tested.
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Acked-by: Corentin LABBE <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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With the growing number of Intel crypto drivers, it makes sense to
group them all into a single drivers/crypto/intel/ directory.
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Acked-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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