diff options
author | Don Brace <don.brace@microchip.com> | 2023-10-24 17:01:53 -0500 |
---|---|---|
committer | Alejandro Colomar <alx@kernel.org> | 2023-10-25 01:23:29 +0200 |
commit | 5ed0632edd38fe67a973023e5ab763f85d1f753c (patch) | |
tree | ce50f5f8a91cb4ae1d667b0c9e8dc696d7a391d9 /man4 | |
parent | b0ff78b71e8b07e59e5a2301f8eb3ed92b8fbac1 (diff) |
smartpqi.4: Add device attributes
Add in some device level sysfs entry descriptions:
lunid
unique_id
path_info
raid_bypass_cnt
sas_ncq_prio_enable
These have already been provided by the driver.
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
Diffstat (limited to 'man4')
-rw-r--r-- | man4/smartpqi.4 | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/man4/smartpqi.4 b/man4/smartpqi.4 index 5f333356a..c1e5c7720 100644 --- a/man4/smartpqi.4 +++ b/man4/smartpqi.4 @@ -386,6 +386,105 @@ $ \c 0 .EE .in +.TP +.IR /sys/class/scsi_disk/ c : b : t : l /device/lunid +The +.I lunid +attribute is read-only. +This attribute contains the SCSI LUN ID for the device. +.IP +For example: +.IP +.in +4n +.EX +$ \c +.B cat /sys/class/scsi_disk/13:1:0:3/device/lunid +0x0300004000000000 +.EE +.in +.TP +.IR /sys/class/scsi_disk/ c : b : t : l /device/unique_id +The +.I unique_id +attribute is read-only. +This attribute contains a 16-byte ID +that uniquely identifies the device within the controller. +.IP +For example: +.IP +.in +4n +.EX +$ \c +.B cat /sys/class/scsi_disk/13:1:0:3/device/unique_id +600508B1001C6D4723A8E98D704FDB94 +.EE +.in +.TP +.IR /sys/class/scsi_disk/ c : b : t : l /device/path_info +The +.I path_info +attribute is read-only. +This attribute contains the +.IR c : b : t : l +of the device +along with the device type +and whether the device is Active or Inactive. +If the device is an HBA device, +.I path_info +will also display the PORT, BOX, and BAY the device is plugged into. +.IP +For example: +.IP +.in +4n +.EX +$ \c +.B cat /sys/class/scsi_disk/13:1:0:3/device/path_info +[13:1:0:3] Direct-Access Active +\& +$ \c +.B cat /sys/class/scsi_disk/12:0:9:0/device/path_info +[12:0:9:0] Direct-Access PORT: C1 BOX: 1 BAY: 14 Inactive +[12:0:9:0] Direct-Access PORT: C0 BOX: 1 BAY: 14 Active +.EE +.in +.TP +.IR /sys/class/scsi_disk/ c : b : t : l /device/raid_bypass_cnt +The +.I raid_bypass_cnt +attribute is read-only. +This attribute contains the number of I/O requests +that have gone through the ioaccel path +for ioaccel-enabled volumes. +See the +.B ssd_smart_path_enabled +disk attribute section for details on ioaccel-enabled volumes. +.IP +For example: +.IP +.in +4n +.EX +$ \c +.B cat /sys/class/scsi_disk/13:1:0:3/device/raid_bypass_cnt +0x300 +.EE +.in +.TP +.IR /sys/class/scsi_disk/ c : b : t : l /device/sas_ncq_prio_enable +The +.I sas_ncq_prio_enable +attribute is read/write. +This attribute enables SATA NCQ priority support. +This attribute works only when device has NCQ support +and controller firmware can handle IO with NCQ priority attribute. +.IP +For example: +.IP +.in +4n +.EX +$ \c +.B echo 1 > /sys/class/scsi_disk/13:1:0:3/device/sas_ncq_prio_enable +.EE +.in .SH VERSIONS The .B smartpqi |