linux-ext4 - Re: [PATCH v12 06/12] scsi: ufs: UFS driver v2.1 spec crypto additions

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Date:   Wed, 13 May 2020 11:16:15 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     Satya Tangirala <satyat@...gle.com>
Cc:     linux-block@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-fscrypt@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, linux-ext4@...r.kernel.org,
        Barani Muthukumaran <bmuthuku@....qualcomm.com>,
        Kuohong Wang <kuohong.wang@...iatek.com>,
        Kim Boojin <boojin.kim@...sung.com>
Subject: Re: [PATCH v12 06/12] scsi: ufs: UFS driver v2.1 spec crypto
 additions

On Thu, Apr 30, 2020 at 11:59:53AM +0000, Satya Tangirala wrote:
> Add the crypto registers and structs defined in v2.1 of the JEDEC UFSHCI
> specification in preparation to add support for inline encryption to
> UFS.
> 
> Signed-off-by: Satya Tangirala <satyat@...gle.com>

Looks good, you can add:

    Reviewed-by: Eric Biggers <ebiggers@...gle.com>

One nit:

> diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
> index 6ffc08ad85f63..1eebb589159d6 100644
> --- a/drivers/scsi/ufs/ufshcd.h
> +++ b/drivers/scsi/ufs/ufshcd.h
> @@ -555,6 +555,12 @@ enum ufshcd_caps {
>  	 * for userspace to control the power management.
>  	 */
>  	UFSHCD_CAP_RPM_AUTOSUSPEND			= 1 << 6,
> +
> +	/*
> +	 * This capability allows the host controller driver to use the
> +	 * inline crypto engine, if it is present
> +	 */
> +	UFSHCD_CAP_CRYPTO				= (1 << 7),
>  };

The other values of this enum don't use parentheses.

- Eric