linux-kernel - Re: [PATCH 0/7] Enable UFS provisioning via Linux

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Message-ID: <CAE=gft65BVSFUm-tPEw+pGKS2Y_jbLMwUX=f8PR4aw=QF_sOMg@mail.gmail.com>
Date:   Mon, 4 Jun 2018 08:03:07 -0700
From:   Evan Green <evgreen@...omium.org>
To:     chlrbgh0@...il.com
Cc:     Vinayak Holikatti <vinholikatti@...il.com>,
        jejb@...ux.vnet.ibm.com, martin.petersen@...cle.com,
        stanislav.nijnikov@....com, linux-kernel@...r.kernel.org,
        linux-scsi@...r.kernel.org, Gwendal Grignou <gwendal@...omium.org>
Subject: Re: [PATCH 0/7] Enable UFS provisioning via Linux

Hi Kyuho,

On Mon, Jun 4, 2018 at 4:11 AM Kyuho Choi <chlrbgh0@...il.com> wrote:
>
> Hi Evan,
>
> I've some question about end user's provisioning.
>
> On 5/30/18, Evan Green <evgreen@...omium.org> wrote:
> > This series enables provisioning UFS devices using the existing sysfs
> > interface. This functionality is primarily useful along the assembly
> > line, but might also be useful for end users that receive devices that
> > aren't locked down.
>
> As we knew, ufs are mainly adopted to boot device like mobile phone.
> Usally after  provisioning operation, every data in ufs (eg. Android :
> system, userdata, boot info and etc) would be removed. How end user
> download and flash all data to ufs?. dd or another download tools?.
>

You're right, the user would need to be booted into a RAM disk, or off
of removable media like micro SD, and use dd or custom tools to set up
data inside the new provisioning scheme. So yes, on a mobile phone, it
would be a fairly advanced end user.
-Evan