diff options
| author | Don Brace <don.brace@microchip.com> | 2021-03-11 14:16:02 -0600 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-04-05 23:02:30 -0400 |
| commit | 5be746d7d74b0f40128ac6f1d1ba30bc05770beb (patch) | |
| tree | 3c7cafc577fd93cbec10fd69e6e9a935d7e491fb /security | |
| parent | c7ffedb3a774a835450a518566639254534e72c4 (diff) | |
scsi: smartpqi: Add host level stream detection enable
Allow R5/R6 stream detection to be disabled/enabled using sysfs entry
enable_stream_detection.
Example usage:
lsscsi
[2:2:0:0] storage Adaptec 3258P-32i /e 0010
^
|
+---- NOTE: here host is host2
find /sys -name \*enable_stream\*
/sys/devices/pci0000:36/0000:36:00.0/0000:37:00.0/0000:38:00.0/0000:39:00.0/host2/scsi_host/host2/enable_stream_detection
/sys/devices/pci0000:5b/0000:5b:00.0/0000:5c:00.0/host3/scsi_host/host3/enable_stream_detection
Current stream detection:
cat /sys/devices/pci0000:36/0000:36:00.0/0000:37:00.0/0000:38:00.0/0000:39:00.0/host2/scsi_host/host2/enable_stream_detection
1
Turn off stream detection:
echo 0 > /sys/devices/pci0000:36/0000:36:00.0/0000:37:00.0/0000:38:00.0/0000:39:00.0/host2/scsi_host/host2/enable_stream_detection
Turn on stream detection:
echo 1 > /sys/devices/pci0000:36/0000:36:00.0/0000:37:00.0/0000:38:00.0/0000:39:00.0/host2/scsi_host/host2/enable_stream_detection
Link: https://lore.kernel.org/r/161549376281.25025.1132304698441513738.stgit@brunhilda
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microchip.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions