Re: [PATCH v6 6/9] crypto: caam - support crypto_engine framework for SKCIPHER algorithms

[Horia Geanta]

On 2/12/2020 7:56 PM, Iuliana Prodan wrote:
> Integrate crypto_engine into CAAM, to make use of the engine queue.
> Add support for SKCIPHER algorithms.
> 
> This is intended to be used for CAAM backlogging support.
> The requests, with backlog flag (e.g. from dm-crypt) will be listed
> into crypto-engine queue and processed by CAAM when free.
> This changes the return codes for enqueuing a request:
> -EINPROGRESS if OK, -EBUSY if request is backlogged (via
> crypto-engine), -ENOSPC if the queue is full, -EIO if it
> cannot map the caller's descriptor.
> 
> The requests, with backlog flag, will be listed into crypto-engine
> queue and processed by CAAM when free. Only the backlog request are
> sent to crypto-engine since the others can be handled by CAAM, if free,
> especially since JR has up to 1024 entries (more than the 10 entries
> from crypto-engine).
> 
> Signed-off-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>
> Signed-off-by: Franck LENORMAND <franck.lenormand@xxxxxxx>
Reviewed-by: Horia Geantă <horia.geanta@xxxxxxx>

Thanks,
Horia