Re: algif for compression?

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On Thu, Apr 3, 2014 at 8:41 AM, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:
> Dan Streetman <ddstreet@xxxxxxxx> wrote:
>> I see the algif_hash and algif_blkcipher implementations to allow
>> userspace AF_ALG socket access to kernel blkcipher and hash
>> algorithms, but has anyone done a algif_compression to allow userspace
>> access to compression algs?  I'm asking specifically wrt the 842
>> crypto module, which uses the hardware compression coprocessors on
>> newer powerpc systems.
>>
>> If not, is there any reason against adding a algif_compression to
>> provide the access?
>
> For a start nx-842 isn't even hooked into the crypto layer so
> there is no chance of exporting it through algif as is.

Wait, isn't it?  The crypto/842.c driver connects right to it.  Well,
it connects to the compression part of it, but that's the only part
I'm looking at exporting to userspace right now.



> There is no reason why you couldn't add it of course but that'd
> be a first step.
>
> Cheers,
> --
> Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Home Page: http://gondor.apana.org.au/~herbert/
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