[PATCH v6 5/5] dmaengine: idxd: Add ABI documentation for shared wq

Dave Jiang
2020-09-24T18:01:27Z

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>
---
Documentation/ABI/stable/sysfs-driver-dma-idxd | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/Documentation/ABI/stable/sysfs-driver-dma-idxd b/Documentation/ABI/stable/sysfs-driver-dma-idxd
index b44183880935..42d3dc03ffea 100644
--- a/Documentation/ABI/stable/sysfs-driver-dma-idxd
+++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd
@@ -77,6 +77,13 @@ Contact: dmaengine@vger.kernel.org
Description: The operation capability bit mask specify the operation types
supported by the this device.

+What: /sys/bus/dsa/devices/dsa<m>/pasid_enabled
+Date: Sep 17, 2020
+KernelVersion: 5.10.0
+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
Date: Oct 25, 2019
KernelVersion: 5.6.0
@@ -122,6 +129,13 @@ KernelVersion: 5.10.0
Contact: dmaengine@vger.kernel.org
Description: The last executed device administrative command's status/error.

+What: /sys/bus/dsa/devices/wq<m>.<n>/block_on_fault
+Date: Sept 17, 2020
+KernelVersion: 5.10.0
+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
Date: Oct 25, 2019
KernelVersion: 5.6.0
--
2.21.3