[PATCH 6/6] dmaengine: idxd: add ABI documentation for shared wq

From: Dave Jiang
Date: Mon Mar 30 2020 - 17:27:28 EST


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

Signed-off-by: Jing Lin <jing.lin@xxxxxxxxx>
Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
---
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 f4be46cc6cb6..c1adddde23c2 100644
--- a/Documentation/ABI/stable/sysfs-driver-dma-idxd
+++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd
@@ -71,6 +71,13 @@ Contact: dmaengine@xxxxxxxxxxxxxxx
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: Jan 30, 2020
+KernelVersion: 5.7.0
+Contact: dmaengine@xxxxxxxxxxxxxxx
+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
@@ -110,6 +117,13 @@ Description: The maximum number of bandwidth tokens that may be in use at
one time by operations that access low bandwidth memory in the
device.

+What: sys/bus/dsa/devices/wq<m>.<n>/block_on_fault
+Date: Jan 30, 2020
+KernelVersion: 5.7.0
+Contact: dmaengine@xxxxxxxxxxxxxxx
+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