linux-kernel - Re: [PATCH v11 14/16] ufs: mcq: Add completion support of a cqe

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Message-ID: <CAGaU9a-3r-mhSLmU6MxmvxgQT+TC6szScn7orv2wvNvsrg=rJQ@mail.gmail.com>
Date:   Tue, 13 Dec 2022 09:35:37 +0800
From:   Stanley Chu <chu.stanley@...il.com>
To:     Asutosh Das <quic_asutoshd@...cinc.com>
Cc:     quic_cang@...cinc.com, martin.petersen@...cle.com,
        linux-scsi@...r.kernel.org, quic_nguyenb@...cinc.com,
        quic_xiaosenh@...cinc.com, stanley.chu@...iatek.com,
        eddie.huang@...iatek.com, daejun7.park@...sung.com,
        bvanassche@....org, avri.altman@....com, mani@...nel.org,
        beanhuo@...ron.com, linux-arm-msm@...r.kernel.org,
        Alim Akhtar <alim.akhtar@...sung.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Arthur Simchaev <Arthur.Simchaev@....com>,
        Jinyoung Choi <j-young.choi@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Keoseong Park <keosung.park@...sung.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Kiwoong Kim <kwmad.kim@...sung.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v11 14/16] ufs: mcq: Add completion support of a cqe

On Fri, Dec 9, 2022 at 7:33 AM Asutosh Das <quic_asutoshd@...cinc.com> wrote:
>
> Add support for completing requests from Completion Queue.
> Some host controllers support vendor specific registers
> that provide a bitmap of all CQ's which have at least one
> completed CQE. Add this support.
> The MCQ specification doesn't provide the Task Tag or its
> equivalent in the Completion Queue Entry.
> So use an indirect method to find the Task Tag from the
> Completion Queue Entry.
>
> Co-developed-by: Can Guo <quic_cang@...cinc.com>
> Signed-off-by: Can Guo <quic_cang@...cinc.com>
> Signed-off-by: Asutosh Das <quic_asutoshd@...cinc.com>
> Reviewed-by: Bart Van Assche <bvanassche@....org>
> Reviewed-by: Manivannan Sadhasivam <mani@...nel.org>

Reviewed-by: Stanley Chu <stanley.chu@...iatek.com>