From: Bean Huo <huobean@gmail.com>
To: daejun7.park@samsung.com, Greg KH <gregkh@linuxfoundation.org>,
"avri.altman@wdc.com" <avri.altman@wdc.com>,
"jejb@linux.ibm.com" <jejb@linux.ibm.com>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
"asutoshd@codeaurora.org" <asutoshd@codeaurora.org>,
"stanley.chu@mediatek.com" <stanley.chu@mediatek.com>,
"cang@codeaurora.org" <cang@codeaurora.org>,
"bvanassche@acm.org" <bvanassche@acm.org>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
ALIM AKHTAR <alim.akhtar@samsung.com>,
JinHwan Park <jh.i.park@samsung.com>,
Javier Gonzalez <javier.gonz@samsung.com>,
Sung-Jun Park <sungjun07.park@samsung.com>,
Jinyoung CHOI <j-young.choi@samsung.com>,
Dukhyun Kwon <d_hyun.kwon@samsung.com>,
Keoseong Park <keosung.park@samsung.com>,
Jaemyung Lee <jaemyung.lee@samsung.com>,
Jieon Seol <jieon.seol@samsung.com>
Subject: Re: [PATCH v31 2/4] scsi: ufs: L2P map management for HPB read
Date: Mon, 22 Mar 2021 10:11:47 +0100 [thread overview]
Message-ID: <75df140d2167eadf1089d014f571d711a9aeb6a5.camel@gmail.com> (raw)
In-Reply-To: <20210322065410epcms2p431f73262f508e9e3e16bd4995db56a4b@epcms2p4>
On Mon, 2021-03-22 at 15:54 +0900, Daejun Park wrote:
> + switch (rsp_field->hpb_op) {
>
> + case HPB_RSP_REQ_REGION_UPDATE:
>
> + if (data_seg_len != DEV_DATA_SEG_LEN)
>
> + dev_warn(&hpb->sdev_ufs_lu->sdev_dev,
>
> + "%s: data seg length is not
> same.\n",
>
> + __func__);
>
> + ufshpb_rsp_req_region_update(hpb, rsp_field);
>
> + break;
>
> + case HPB_RSP_DEV_RESET:
>
> + dev_warn(&hpb->sdev_ufs_lu->sdev_dev,
>
> + "UFS device lost HPB information during
> PM.\n");
>
> + break;
Hi Deajun,
This series looks good to me. Just here I have one question. You didn't
handle HPB_RSP_DEV_RESET, just a warning. Based on your SS UFS, how to
handle HPB_RSP_DEV_RESET from the host side? Do you think we shoud
reset host side HPB entry as well or what else?
Bean
next prev parent reply other threads:[~2021-03-22 9:12 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210322065127epcms2p5021a61416a6b427c62fcaf5d8b660860@epcms2p5>
2021-03-22 6:51 ` [PATCH v31 0/4] scsi: ufs: Add Host Performance Booster Support Daejun Park
[not found] ` <CGME20210322065127epcms2p5021a61416a6b427c62fcaf5d8b660860@epcms2p1>
2021-03-22 6:53 ` [PATCH v31 1/4] scsi: ufs: Introduce HPB feature Daejun Park
[not found] ` <CGME20210322065127epcms2p5021a61416a6b427c62fcaf5d8b660860@epcms2p4>
2021-03-22 6:54 ` [PATCH v31 2/4] scsi: ufs: L2P map management for HPB read Daejun Park
2021-03-22 9:11 ` Bean Huo [this message]
2021-03-23 4:22 ` Can Guo
2021-03-23 4:33 ` Can Guo
[not found] ` <CGME20210322065127epcms2p5021a61416a6b427c62fcaf5d8b660860@epcms2p6>
2021-03-22 6:55 ` [PATCH v31 4/4] scsi: ufs: Add HPB 2.0 support Daejun Park
2021-03-24 5:01 ` Can Guo
[not found] ` <CGME20210322065127epcms2p5021a61416a6b427c62fcaf5d8b660860@epcms2p7>
2021-03-22 6:54 ` [PATCH v31 3/4] scsi: ufs: Prepare HPB read for cached sub-region Daejun Park
2021-03-23 5:37 ` Re: [PATCH v31 2/4] scsi: ufs: L2P map management for HPB read Daejun Park
2021-03-23 6:07 ` Can Guo
2021-03-23 6:19 ` Daejun Park
2021-03-23 6:26 ` Can Guo
[not found] ` <CGME20210322065127epcms2p5021a61416a6b427c62fcaf5d8b660860@epcms2p2>
2021-03-23 6:37 ` Daejun Park
2021-03-23 6:47 ` Can Guo
2021-03-23 12:48 ` Avri Altman
2021-03-24 1:45 ` Can Guo
2021-03-24 8:37 ` Bean Huo
2021-03-24 9:24 ` Can Guo
2021-03-24 9:33 ` Bean Huo
2021-03-24 9:37 ` Can Guo
2021-03-25 0:47 ` Re: [PATCH v31 4/4] scsi: ufs: Add HPB 2.0 support Daejun Park
2021-03-25 8:12 ` Can Guo
[not found] ` <CGME20210322065127epcms2p5021a61416a6b427c62fcaf5d8b660860@epcms2p8>
2021-03-26 2:55 ` Daejun Park
2021-03-26 3:15 ` Bart Van Assche
2021-03-22 9:45 ` Re: [PATCH v31 2/4] scsi: ufs: L2P map management for HPB read Daejun Park
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