linux-kernel - Re: [PATCH 08/12] crypto: caam - support crypto

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Date:   Thu, 21 Nov 2019 11:46:47 +0000
From:   Horia Geanta <horia.geanta@....com>
To:     Iuliana Prodan <iuliana.prodan@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Aymen Sghaier <aymen.sghaier@....com>
CC:     "David S. Miller" <davem@...emloft.net>,
        Tom Lendacky <thomas.lendacky@....com>,
        Gary Hook <gary.hook@....com>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH 08/12] crypto: caam - support crypto_engine framework for
 SKCIPHER algorithms

On 11/18/2019 12:31 AM, 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 caam_jr_enqueue:
> -EINPROGRESS if OK, -EBUSY if request is backlogged,
> -ENOSPC if the queue is full, -EIO if it cannot map the caller's
> descriptor, -EINVAL if crypto_tfm not supported by crypto_engine.
> 
> Signed-off-by: Iuliana Prodan <iuliana.prodan@....com>
> Signed-off-by: Franck LENORMAND <franck.lenormand@....com>
Reviewed-by: Horia Geantă <horia.geanta@....com>

Thanks,
Horia