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Date: Thu, 15 Jan 2009 23:51:45 -0800
From: "Nicholas A. Bellinger" <nab@...ux-iscsi.org>
To: "Linux-iSCSI.org Target Dev"
<linux-iscsi-target-dev@...glegroups.com>
Cc: LKML <linux-kernel@...r.kernel.org>,
linux-scsi <linux-scsi@...r.kernel.org>,
Linux-fsdevel <linux-fsdevel@...r.kernel.org>,
Joel Becker <joel.becker@...cle.com>,
"H. Peter Anvin" <hpa@...or.com>, Andrew Morton <akpm@...l.org>,
James Bottomley <James.Bottomley@...senPartnership.com>,
Mike Christie <michaelc@...wisc.edu>,
FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
Christoph Hellwig <hch@....de>
Subject: [PATCH 0/2] [Target_Core_Mod]: Add EVPD information to ConfigFS
Greetings all,
This patch adds T10/SCSI WWN / Extended Vital Production Desciptor pages
(EVPD) information into Target_Core_Mod/ConfigFS. These ConfigFS
attributs are defined as READ-WRITE, but currently only implement
READ-ONLY and return -ENOSYS (this will be changing soon).
This patch adds the following INQUIRY EVPD=1 protocol information to
ConfigFS:
*) Protocol Identifier
*) Association
*) Identifier Type
*) Identifier Binary, ASCII, and UTF-8 encoding
This patch is made against lio-core-2.6.git/master
and tested on v2.6.28. The lio-core-2.6.git tree can be found at:
http://git.kernel.org/?p=linux/kernel/git/nab/lio-core-2.6.git;a=summary
Here is what the layout looks like with some Parallel SCSI (pscsi_1/sdb)
and Serial SCSI (pscsi_2/sdc and pscsi_2/sdd):
/sys/kernel/config
`-- target
|-- core
| |-- pscsi_1
| | |-- hba_info
| | `-- sdb
| | |-- attrib
| | | |-- hw_max_sectors
| | | |-- hw_queue_depth
| | | |-- max_sectors
| | | |-- queue_depth
| | | |-- status_thread
| | | |-- status_thread_tur
| | | `-- task_timeout
| | |-- control
| | |-- enable
| | |-- fd
| | |-- info
| | `-- wwn
| | |-- evpd_assoc_logical_unit
| | |-- evpd_assoc_scsi_target_device
| | |-- evpd_assoc_target_port
| | |-- evpd_protocol_identifier
| | `-- evpd_unit_serial
| |-- pscsi_2
| | |-- hba_info
| | |-- sdc
| | | |-- attrib
| | | | |-- hw_max_sectors
| | | | |-- hw_queue_depth
| | | | |-- max_sectors
| | | | |-- queue_depth
| | | | |-- status_thread
| | | | |-- status_thread_tur
| | | | `-- task_timeout
| | | |-- control
| | | |-- enable
| | | |-- fd
| | | |-- info
| | | `-- wwn
| | | |-- evpd_assoc_logical_unit
| | | |-- evpd_assoc_scsi_target_device
| | | |-- evpd_assoc_target_port
| | | |-- evpd_protocol_identifier
| | | `-- evpd_unit_serial
| | `-- sdd
| | |-- attrib
| | | |-- hw_max_sectors
| | | |-- hw_queue_depth
| | | |-- max_sectors
| | | |-- queue_depth
| | | |-- status_thread
| | | |-- status_thread_tur
| | | `-- task_timeout
| | |-- control
| | |-- enable
| | |-- fd
| | |-- info
| | `-- wwn
| | |-- evpd_assoc_logical_unit
| | |-- evpd_assoc_scsi_target_device
| | |-- evpd_assoc_target_port
| | |-- evpd_protocol_identifier
| | `-- evpd_unit_serial
<SNIP>
>>From the Parallel SCSI device at pscsi_1/sdb:
target-core:/sys/kernel/config/target/core/pscsi_1/sdb/wwn# cat *
T10 EVPD Identifier Association: addressed logical unit
T10 EVPD Identifier Type: EUI-64 based
T10 EVPD Binary Device Identifier: 20010b9fe9f4b0200
T10 EVPD Identifier Association: addressed logical unit
T10 EVPD Identifier Type: T10 Vendor ID based
T10 EVPD ASCII Device Identifier: MAXTOR C40464HK
T10 EVPD Unit Serial Number:: C40464HK.
>>From the Serial SCSI device at pscsi_2/sdd:
target-core:/sys/kernel/config/target/core/pscsi_2/sdd/wwn# cat *
T10 EVPD Identifier Association: addressed logical unit
T10 EVPD Identifier Type: NAA
T10 EVPD Binary Device Identifier: 350010b90000292df
T10 EVPD Identifier Association: SCSI target device
T10 EVPD Identifier Type: SCSI name string
T10 EVPD UTF-8 Device Identifier: naa.50010B90000292DC
T10 EVPD Identifier Association: target port
T10 EVPD Identifier Type: NAA
T10 EVPD Binary Device Identifier: 350010b90000292de
T10 EVPD Identifier Association: target port
T10 EVPD Identifier Type: Relative target port identifier
T10 EVPD Binary Device Identifier: 400000002
T10 EVPD Protocol Identifier: SAS Serial SCSI Protocol
T10 EVPD Protocol Identifier: SAS Serial SCSI Protocol
T10 EVPD Unit Serial Number:: E20HY72K
Comments..?
--nab
[PATCH 1/2] [Target_Core_Mod]: Move 10_wwn_t to se_subsystem_dev_t->t10_wwn
[PATCH 2/2] [Target_Core_Mod/ConfigFS]: Add T10 EVPD / WWN storage object attributes
drivers/lio-core/target_core_base.h | 6 +-
drivers/lio-core/target_core_configfs.c | 212 +++++++++++++++++++++++++++++-
drivers/lio-core/target_core_device.c | 8 +-
drivers/lio-core/target_core_mib.c | 30 ++--
drivers/lio-core/target_core_seobj.c | 2 +-
drivers/lio-core/target_core_transport.c | 19 ++-
drivers/lio-core/target_core_transport.h | 4 +
7 files changed, 251 insertions(+), 30 deletions(-)
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