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From:   Horia Geanta <horia.geanta@nxp.com>
To:     Iuliana Prodan <iuliana.prodan@nxp.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Aymen Sghaier <aymen.sghaier@nxp.com>
CC:     "David S. Miller" <davem@davemloft.net>,
        Silvano Di Ninno <silvano.dininno@nxp.com>,
        Franck Lenormand <franck.lenormand@nxp.com>,
        "linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        dl-linux-imx <linux-imx@nxp.com>
Subject: Re: [PATCH v6 6/9] crypto: caam - support crypto_engine framework for
 SKCIPHER algorithms
Thread-Topic: [PATCH v6 6/9] crypto: caam - support crypto_engine framework
 for SKCIPHER algorithms
Thread-Index: AQHV4c2vZT1FL1HnJUmtdyuVIaRrTQ==
Date:   Wed, 12 Feb 2020 18:52:37 +0000
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References: <1581530124-9135-1-git-send-email-iuliana.prodan@nxp.com>
 <1581530124-9135-7-git-send-email-iuliana.prodan@nxp.com>
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On 2/12/2020 7:56 PM, Iuliana Prodan wrote:=0A=
> Integrate crypto_engine into CAAM, to make use of the engine queue.=0A=
> Add support for SKCIPHER algorithms.=0A=
> =0A=
> This is intended to be used for CAAM backlogging support.=0A=
> The requests, with backlog flag (e.g. from dm-crypt) will be listed=0A=
> into crypto-engine queue and processed by CAAM when free.=0A=
> This changes the return codes for enqueuing a request:=0A=
> -EINPROGRESS if OK, -EBUSY if request is backlogged (via=0A=
> crypto-engine), -ENOSPC if the queue is full, -EIO if it=0A=
> cannot map the caller's descriptor.=0A=
> =0A=
> The requests, with backlog flag, will be listed into crypto-engine=0A=
> queue and processed by CAAM when free. Only the backlog request are=0A=
> sent to crypto-engine since the others can be handled by CAAM, if free,=
=0A=
> especially since JR has up to 1024 entries (more than the 10 entries=0A=
> from crypto-engine).=0A=
> =0A=
> Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>=0A=
> Signed-off-by: Franck LENORMAND <franck.lenormand@nxp.com>=0A=
Reviewed-by: Horia Geant=E3 <horia.geanta@nxp.com>=0A=
=0A=
Thanks,=0A=
Horia=0A=