dmaengine: idxd: Add ABI documentation for shared wq

Add the sysfs attribute bits in ABI/stable for shared wq support.

Signed-off-by: Jing Lin <jing.lin@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/160382008649.3911367.10851752182908509837.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Dave Jiang 2020-10-27 10:34:46 -07:00 committed by Vinod Koul
parent e4f4d8cdeb
commit 4749f51ddd
1 changed files with 14 additions and 0 deletions

View File

@ -77,6 +77,13 @@ Contact: dmaengine@vger.kernel.org
Description: The operation capability bit mask specify the operation types Description: The operation capability bit mask specify the operation types
supported by the this device. supported by the this device.
What: /sys/bus/dsa/devices/dsa<m>/pasid_enabled
Date: Oct 27, 2020
KernelVersion: 5.11.0
Contact: dmaengine@vger.kernel.org
Description: To indicate if PASID (process address space identifier) is
enabled or not for this device.
What: /sys/bus/dsa/devices/dsa<m>/state What: /sys/bus/dsa/devices/dsa<m>/state
Date: Oct 25, 2019 Date: Oct 25, 2019
KernelVersion: 5.6.0 KernelVersion: 5.6.0
@ -122,6 +129,13 @@ KernelVersion: 5.10.0
Contact: dmaengine@vger.kernel.org Contact: dmaengine@vger.kernel.org
Description: The last executed device administrative command's status/error. Description: The last executed device administrative command's status/error.
What: /sys/bus/dsa/devices/wq<m>.<n>/block_on_fault
Date: Oct 27, 2020
KernelVersion: 5.11.0
Contact: dmaengine@vger.kernel.org
Description: To indicate block on fault is allowed or not for the work queue
to support on demand paging.
What: /sys/bus/dsa/devices/wq<m>.<n>/group_id What: /sys/bus/dsa/devices/wq<m>.<n>/group_id
Date: Oct 25, 2019 Date: Oct 25, 2019
KernelVersion: 5.6.0 KernelVersion: 5.6.0