linux-kernel - Re: [PATCH v13 1/3] soc: qcom: ice: make qcom_ice_program_key() take struct blk_crypto

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Message-ID: <9eb0b21c-6830-4636-8a92-e174e34d779a@oss.qualcomm.com>
Date: Mon, 7 Apr 2025 10:43:43 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Eric Biggers <ebiggers@...nel.org>, linux-scsi@...r.kernel.org
Cc: linux-block@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-fscrypt@...r.kernel.org, Bartosz Golaszewski <brgl@...ev.pl>,
        Gaurav Kashyap <quic_gaurkash@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Jens Axboe <axboe@...nel.dk>, Konrad Dybcio <konradybcio@...nel.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v13 1/3] soc: qcom: ice: make qcom_ice_program_key() take
 struct blk_crypto_key

On 4/5/25 1:15 AM, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@...gle.com>
> 
> qcom_ice_program_key() currently accepts the key as an array of bytes,
> algorithm ID, key size enum, and data unit size.  However both callers
> have a struct blk_crypto_key which contains all that information.  Thus
> they both have similar code that converts the blk_crypto_key into the
> form that qcom_ice_program_key() wants.  Once wrapped key support is
> added, the key type would need to be added to the arguments too.
> 
> Therefore, this patch changes qcom_ice_program_key() to take in all this
> information as a struct blk_crypto_key directly.  The calling code is
> updated accordingly.  This ends up being much simpler, and it makes the
> key type be passed down automatically once wrapped key support is added.
> 
> Based on a patch by Gaurav Kashyap <quic_gaurkash@...cinc.com> that
> replaced the byte array argument only.  This patch makes the
> blk_crypto_key replace other arguments like the algorithm ID too,
> ensuring that there remains only one source of truth.
> 
> Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> Tested-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org> # sm8650
> Signed-off-by: Eric Biggers <ebiggers@...gle.com>
> ---

Acked-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad