From: Bean Huo <huobean@gmail.com>
To: Avri Altman <Avri.Altman@wdc.com>,
"daejun7.park@samsung.com" <daejun7.park@samsung.com>,
Greg KH <gregkh@linuxfoundation.org>,
"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>,
ALIM AKHTAR <alim.akhtar@samsung.com>,
Javier Gonzalez <javier.gonz@samsung.com>
Cc: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
JinHwan Park <jh.i.park@samsung.com>,
SEUNGUK SHIN <seunguk.shin@samsung.com>,
Sung-Jun Park <sungjun07.park@samsung.com>,
yongmyung lee <ymhungry.lee@samsung.com>,
Jinyoung CHOI <j-young.choi@samsung.com>,
BoRam Shin <boram.shin@samsung.com>
Subject: Re: [PATCH v25 4/4] scsi: ufs: Add HPB 2.0 support
Date: Tue, 02 Mar 2021 15:32:25 +0100 [thread overview]
Message-ID: <1988de01138118e8361b90acce25332adb2c1e24.camel@gmail.com> (raw)
In-Reply-To: <DM6PR04MB6575372560ACA643845C891CFC999@DM6PR04MB6575.namprd04.prod.outlook.com>
On Tue, 2021-03-02 at 13:15 +0000, Avri Altman wrote:
> >
> > On Fri, 2021-02-26 at 16:35 +0900, Daejun Park wrote:
> > > +static void ufshpb_set_unmap_cmd(unsigned char *cdb, struct
> > > ufshpb_region *rgn)
> > > +{
> > > + cdb[0] = UFSHPB_WRITE_BUFFER;
> > > + cdb[1] = rgn ? UFSHPB_WRITE_BUFFER_INACT_SINGLE_ID :
> > > + UFSHPB_WRITE_BUFFER_INACT_ALL_ID;
> >
> > Here is wrong,
> > Valid HPB Region is (0 ~ (Ceiling( Region size calculated by
> > bHPBRegionSize )- 1) ). how do you know the region==0 is not
> > a single normal region?
>
> Please note that rgn here is a ufshpb_region *rgn
>
I see, thanks.
> Thanks,
> Avri
next prev parent reply other threads:[~2021-03-02 19:49 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210226073233epcms2p80fca2dffabea03143a9414838f757633@epcms2p8>
2021-02-26 7:32 ` [PATCH v25 0/4] scsi: ufs: Add Host Performance Booster Support Daejun Park
[not found] ` <CGME20210226073233epcms2p80fca2dffabea03143a9414838f757633@epcms2p2>
2021-02-26 7:33 ` [PATCH v25 1/4] scsi: ufs: Introduce HPB feature Daejun Park
[not found] ` <CGME20210226073233epcms2p80fca2dffabea03143a9414838f757633@epcms2p1>
2021-02-26 7:34 ` [PATCH v25 3/4] scsi: ufs: Prepare HPB read for cached sub-region Daejun Park
[not found] ` <CGME20210226073233epcms2p80fca2dffabea03143a9414838f757633@epcms2p5>
2021-02-26 7:35 ` [PATCH v25 4/4] scsi: ufs: Add HPB 2.0 support Daejun Park
2021-03-02 12:49 ` Bean Huo
2021-03-02 13:15 ` Avri Altman
2021-03-02 14:32 ` Bean Huo [this message]
2021-03-02 13:02 ` Bean Huo
2021-03-02 14:27 ` Bean Huo
2021-03-03 4:05 ` Can Guo
2021-03-03 4:31 ` Can Guo
2021-03-03 2:31 ` Daejun Park
[not found] ` <CGME20210226073233epcms2p80fca2dffabea03143a9414838f757633@epcms2p4>
2021-02-26 7:34 ` [PATCH v25 2/4] scsi: ufs: L2P map management for HPB read Daejun Park
2021-03-03 2:32 ` Re: [PATCH v25 4/4] scsi: ufs: Add HPB 2.0 support Daejun Park
2021-03-03 4:59 ` Daejun Park
2021-03-03 4:58 ` Daejun Park
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