From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: <naomi.chu@mediatek.com>
Cc: <linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
Avri Altman <avri.altman@wdc.com>,
Bart Van Assche <bvanassche@acm.org>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Manivannan Sadhasivam <mani@kernel.org>,
Asutosh Das <quic_asutoshd@quicinc.com>,
Can Guo <quic_cang@quicinc.com>, <wsd_upstream@mediatek.com>,
<peter.wang@mediatek.com>, <casper.li@mediatek.com>,
<powen.kao@mediatek.com>, <alice.chao@mediatek.com>,
<chun-hung.wu@mediatek.com>, <cc.chou@mediatek.com>,
<eddie.huang@mediatek.com>
Subject: Re: [PATCH v3 1/1] ufs: core: Expand MCQ queue slot to DeviceQueueDepth + 1
Date: Wed, 08 Nov 2023 21:35:53 -0500 [thread overview]
Message-ID: <yq1h6lv64cz.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20231102052426.12006-2-naomi.chu@mediatek.com> (naomi chu's message of "Thu, 2 Nov 2023 13:24:24 +0800")
> The UFSHCI 4.0 specification mandates that there should always be at
> least one empty slot in each queue for distinguishing between full and
> empty states. Enlarge the `hwq->max_entries` to `DeviceQueueDepth +1`
> to allow UFSHCI 4.0 controllers to fully utilize MCQ queue slots.
Applied to 6.7/scsi-staging, thanks!
--
Martin K. Petersen Oracle Linux Engineering
WARNING: multiple messages have this Message-ID (diff)
From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: <naomi.chu@mediatek.com>
Cc: <linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
Avri Altman <avri.altman@wdc.com>,
Bart Van Assche <bvanassche@acm.org>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Manivannan Sadhasivam <mani@kernel.org>,
Asutosh Das <quic_asutoshd@quicinc.com>,
Can Guo <quic_cang@quicinc.com>, <wsd_upstream@mediatek.com>,
<peter.wang@mediatek.com>, <casper.li@mediatek.com>,
<powen.kao@mediatek.com>, <alice.chao@mediatek.com>,
<chun-hung.wu@mediatek.com>, <cc.chou@mediatek.com>,
<eddie.huang@mediatek.com>
Subject: Re: [PATCH v3 1/1] ufs: core: Expand MCQ queue slot to DeviceQueueDepth + 1
Date: Wed, 08 Nov 2023 21:35:53 -0500 [thread overview]
Message-ID: <yq1h6lv64cz.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20231102052426.12006-2-naomi.chu@mediatek.com> (naomi chu's message of "Thu, 2 Nov 2023 13:24:24 +0800")
> The UFSHCI 4.0 specification mandates that there should always be at
> least one empty slot in each queue for distinguishing between full and
> empty states. Enlarge the `hwq->max_entries` to `DeviceQueueDepth +1`
> to allow UFSHCI 4.0 controllers to fully utilize MCQ queue slots.
Applied to 6.7/scsi-staging, thanks!
--
Martin K. Petersen Oracle Linux Engineering
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2023-11-09 2:36 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-02 5:24 [PATCH v3 0/1] ufs: core: Expand MCQ queue slot to DeviceQueueDepth + 1 naomi.chu
2023-11-02 5:24 ` naomi.chu
2023-11-02 5:24 ` [PATCH v3 1/1] " naomi.chu
2023-11-02 5:24 ` naomi.chu
2023-11-02 13:23 ` Stanley Chu
2023-11-02 13:23 ` Stanley Chu
2023-11-02 16:37 ` Manivannan Sadhasivam
2023-11-02 16:37 ` Manivannan Sadhasivam
2023-11-02 19:15 ` Bart Van Assche
2023-11-02 19:15 ` Bart Van Assche
2023-11-02 19:16 ` Bart Van Assche
2023-11-02 19:16 ` Bart Van Assche
2023-11-03 2:19 ` Peter Wang (王信友)
2023-11-03 2:19 ` Peter Wang (王信友)
2023-11-03 2:35 ` Chun-Hung Wu (巫駿宏)
2023-11-03 2:35 ` Chun-Hung Wu (巫駿宏)
2023-11-09 2:35 ` Martin K. Petersen [this message]
2023-11-09 2:35 ` Martin K. Petersen
2023-11-15 15:13 ` [PATCH v3 0/1] " Martin K. Petersen
2023-11-15 15:13 ` Martin K. Petersen
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