From: "Bean Huo (beanhuo)" <beanhuo@micron.com>
To: Sayali Lokhande <sayalil@codeaurora.org>,
"subhashj@codeaurora.org" <subhashj@codeaurora.org>,
"cang@codeaurora.org" <cang@codeaurora.org>,
"vivek.gautam@codeaurora.org" <vivek.gautam@codeaurora.org>,
"rnayak@codeaurora.org" <rnayak@codeaurora.org>,
"vinholikatti@gmail.com" <vinholikatti@gmail.com>,
"jejb@linux.vnet.ibm.com" <jejb@linux.vnet.ibm.com>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
"asutoshd@codeaurora.org" <asutoshd@codeaurora.org>,
"evgreen@chromium.org" <evgreen@chromium.org>,
"riteshh@codeaurora.org" <riteshh@codeaurora.org>
Cc: "stummala@codeaurora.org" <stummala@codeaurora.org>,
"adrian.hunter@intel.com" <adrian.hunter@intel.com>,
"jlbec@evilplan.org" <jlbec@evilplan.org>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH V15 2/2] scsi: ufs: Add configfs support for UFS provisioning
Date: Wed, 17 Oct 2018 07:56:02 +0000 [thread overview]
Message-ID: <BYAPR08MB4533120DFDB3803DB8B2E8B8DBFF0@BYAPR08MB4533.namprd08.prod.outlook.com> (raw)
Hi, Sayali
>Subject: [EXT] [PATCH V15 2/2] scsi: ufs: Add configfs support for UFS
>provisioning
>
>This patch adds configfs support to provision UFS device at runtime. This
>feature can be primarily useful in factory or assembly line as some devices
>may be required to be configured multiple times during initial system
>development phase.
>Configuration Descriptors can be written multiple times until
>bConfigDescrLock attribute is zero.
>
>Configuration descriptor buffer consists of Device and Unit descriptor
>configurable parameters which are parsed from vendor specific provisioning
>file and then passed via configfs node at runtime to provision ufs device.
>CONFIG_CONFIGFS_FS and CONFIG_SCSI_UFS_PROVISION needs to be enabled
>for using this feature.
>
>Usage:
>1) To read current configuration descriptor with index X
> (where index X can be 0/1/2/3) :
> cat /config/<device_name>/ufs_config_desc_X
>
>2) To write configuration descriptor with index X :
> echo <config_desc_buf> > /config/<device_name>/ufs_config_desc_X
>
>
I tested on my platform and got these error:
cat /sys/kernel/config/ff3b0000.ufs/ufs_config_desc_0
0x90 0x1 0x0 0x1 0x0 0x1 0x7f 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x1 0x1 0x0 0x3 0x0 0x0 0x0 0x2
0x1 0xc 0x2 0x0 0x0 0x0 0x0 0x0 0x1 0x2 0x0 0x3 0x0 0x0 0x0 0x2 0x1 0xc 0x2 0x0 0x0 0x0 0x0 0x0
0x1 0x0 0x0 0x3 0x0 0x0 0x0 0x4 0x1 0xc 0x2 0x0 0x0 0x0 0x0 0x0 0x1 0x0 0x0 0x0 0x0 0x0 0x1d
0xc7 0x1 0xc 0x2 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0xc 0x0 0x0 0x0 0x0
0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0xc 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0
0x0 0x0 0x0 0x0 0xc 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0xc 0x0 0x0
0x0 0x0 0x0 0x0
cat /sys/kernel/config/ff3b0000.ufs/ufs_config_desc_1
[ 63.631734] ufshcd-hisi ff3b0000.ufs: __ufshcd_query_descriptor: opcode 0x01 for idn 1 failed, index 1, err = 252
[ 63.643059] ufshcd-hisi ff3b0000.ufs: __ufshcd_query_descriptor: opcode 0x01 for idn 1 failed, index 1, err = 252
[ 63.653602] ufshcd-hisi ff3b0000.ufs: __ufshcd_query_descriptor: opcode 0x01 for idn 1 failed, index 1, err = 252
cat /sys/kernel/config/ff3b0000.ufs/ufs_config_desc_2
[ 77.946097] ufshcd-hisi ff3b0000.ufs: __ufshcd_query_descriptor: opcode 0x01 for idn 1 failed, index 2, err = 252
[ 77.957212] ufshcd-hisi ff3b0000.ufs: __ufshcd_query_descriptor: opcode 0x01 for idn 1 failed, index 2, err = 252
[ 77.968534] ufshcd-hisi ff3b0000.ufs: __ufshcd_query_descriptor: opcode 0x01 for idn 1 failed, index 2, err = 252
cat /sys/kernel/config/ff3b0000.ufs/ufs_config_desc_3
[ 82.237656] ufshcd-hisi ff3b0000.ufs: __ufshcd_query_descriptor: opcode 0x01 for idn 1 failed, index 3, err = 252
[ 82.248374] ufshcd-hisi ff3b0000.ufs: __ufshcd_query_descriptor: opcode 0x01 for idn 1 failed, index 3, err = 252
[ 82.259117] ufshcd-hisi ff3b0000.ufs: __ufshcd_query_descriptor: opcode 0x01 for idn 1 failed, index 3, err = 252
next reply other threads:[~2018-10-17 7:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-17 7:56 Bean Huo (beanhuo) [this message]
2018-10-17 8:33 ` [PATCH V15 2/2] scsi: ufs: Add configfs support for UFS provisioning Avri Altman
[not found] <1539680382-31136-1-git-send-email-sayalil@codeaurora.org>
2018-10-16 8:59 ` Sayali Lokhande
2018-10-16 8:59 ` Sayali Lokhande
2018-10-16 9:43 ` Avri Altman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=BYAPR08MB4533120DFDB3803DB8B2E8B8DBFF0@BYAPR08MB4533.namprd08.prod.outlook.com \
--to=beanhuo@micron.com \
--cc=adrian.hunter@intel.com \
--cc=asutoshd@codeaurora.org \
--cc=cang@codeaurora.org \
--cc=evgreen@chromium.org \
--cc=jejb@linux.vnet.ibm.com \
--cc=jlbec@evilplan.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=martin.petersen@oracle.com \
--cc=riteshh@codeaurora.org \
--cc=rnayak@codeaurora.org \
--cc=sayalil@codeaurora.org \
--cc=stummala@codeaurora.org \
--cc=subhashj@codeaurora.org \
--cc=vinholikatti@gmail.com \
--cc=vivek.gautam@codeaurora.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.