From: Asutosh Das <quic_asutoshd@quicinc.com>
To: Avri Altman <Avri.Altman@wdc.com>
Cc: Bart Van Assche <bvanassche@acm.org>,
"quic_cang@quicinc.com" <quic_cang@quicinc.com>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"quic_nguyenb@quicinc.com" <quic_nguyenb@quicinc.com>,
"quic_xiaosenh@quicinc.com" <quic_xiaosenh@quicinc.com>,
"stanley.chu@mediatek.com" <stanley.chu@mediatek.com>,
"eddie.huang@mediatek.com" <eddie.huang@mediatek.com>,
"daejun7.park@samsung.com" <daejun7.park@samsung.com>,
"mani@kernel.org" <mani@kernel.org>,
"beanhuo@micron.com" <beanhuo@micron.com>,
"quic_richardp@quicinc.com" <quic_richardp@quicinc.com>,
"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
Jinyoung Choi <j-young.choi@samsung.com>,
Kiwoong Kim <kwmad.kim@samsung.com>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 07/17] ufs: core: mcq: Calculate queue depth
Date: Mon, 31 Oct 2022 12:34:19 -0700 [thread overview]
Message-ID: <20221031193419.GE9077@asutoshd-linux1.qualcomm.com> (raw)
In-Reply-To: <DM6PR04MB6575D8A39219420494192B76FC349@DM6PR04MB6575.namprd04.prod.outlook.com>
On Sun, Oct 30 2022 at 04:43 -0700, Avri Altman wrote:
>> On 10/20/22 11:03, Asutosh Das wrote:
>> > +u32 ufshcd_mcq_decide_queue_depth(struct ufs_hba *hba)
[...]
>> > + qd = min_t(u32, mac, hba->dev_info.bqueuedepth);
>> > + if (!qd)
>> > + qd = mac;
>Isn't if mcq is supported bqueuedepth can't be zero?
>The device must implements the shared queueing architecture.
>
Ah well, there's a Note mentioned in the UFS 4.0 spec (#7021) which kind of
confused me. I will remove this check if it can't be 0.
-asd
>
next prev parent reply other threads:[~2022-10-31 19:34 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-20 18:03 [PATCH v3 00/17] Add Multi Circular Queue Support Asutosh Das
2022-10-20 18:03 ` [PATCH v3 01/17] ufs: core: Probe for ext_iid support Asutosh Das
2022-10-27 21:02 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 02/17] ufs: core: Optimize duplicate code to read extended feature Asutosh Das
2022-10-27 21:05 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 03/17] ufs: core: Introduce Multi-circular queue capability Asutosh Das
2022-10-27 21:09 ` Bart Van Assche
2022-10-28 16:51 ` Asutosh Das
2022-10-28 21:44 ` Bart Van Assche
2022-10-30 12:11 ` Avri Altman
2022-10-20 18:03 ` [PATCH v3 04/17] ufs: core: Defer adding host to scsi if mcq is supported Asutosh Das
2022-10-27 21:18 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 05/17] ufs: core: mcq: Introduce Multi Circular Queue Asutosh Das
2022-10-27 21:33 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 06/17] ufs: core: mcq: Configure resource regions Asutosh Das
2022-10-26 9:14 ` Eddie Huang
2022-10-20 18:03 ` [PATCH v3 07/17] ufs: core: mcq: Calculate queue depth Asutosh Das
2022-10-27 21:52 ` Bart Van Assche
2022-10-30 11:43 ` Avri Altman
2022-10-31 19:34 ` Asutosh Das [this message]
2022-10-31 19:24 ` Asutosh Das
2022-10-31 19:42 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 08/17] ufs: core: mcq: Allocate memory for mcq mode Asutosh Das
2022-10-27 21:38 ` Bart Van Assche
2022-10-30 12:28 ` Avri Altman
2022-10-31 19:39 ` Asutosh Das
2022-10-20 18:03 ` [PATCH v3 09/17] ufs: core: mcq: Configure operation and runtime interface Asutosh Das
2022-10-27 22:01 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 10/17] ufs: core: mcq: Use shared tags for MCQ mode Asutosh Das
2022-10-28 21:47 ` Bart Van Assche
2022-10-30 13:06 ` Avri Altman
2022-11-01 16:29 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 11/17] ufs: core: Prepare ufshcd_send_command for mcq Asutosh Das
2022-10-28 21:49 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 12/17] ufs: core: mcq: Find hardware queue to queue request Asutosh Das
2022-10-28 21:53 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 13/17] ufs: core: Prepare for completion in mcq Asutosh Das
2022-10-28 21:56 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 14/17] ufs: mcq: Add completion support of a cqe Asutosh Das
2022-10-28 22:05 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 15/17] ufs: core: mcq: Add completion support in poll Asutosh Das
2022-10-28 22:07 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 16/17] ufs: core: mcq: Enable Multi Circular Queue Asutosh Das
2022-10-28 22:07 ` Bart Van Assche
2022-10-20 18:03 ` [PATCH v3 17/17] ufs: qcom-host: Enable multi circular queue capability Asutosh Das
2022-10-28 22:08 ` Bart Van Assche
2022-11-01 18:47 ` Asutosh Das
2022-10-26 9:21 ` [PATCH v3 00/17] Add Multi Circular Queue Support Eddie Huang
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