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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>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.