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authorDave Jiang <dave.jiang@intel.com>2020-10-27 10:34:46 -0700
committerVinod Koul <vkoul@kernel.org>2020-10-30 14:10:36 +0530
commit4749f51ddd8aee5c7aa11e6593a54f96374a77ad (patch)
tree09fc3049ef9262ff3d58ef10867a90677faf6ed9 /Documentation/ABI/stable
parente4f4d8cdeb9a2fe746411c0b9a7538b5c0232c1e (diff)
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>
Diffstat (limited to 'Documentation/ABI/stable')
-rw-r--r--Documentation/ABI/stable/sysfs-driver-dma-idxd14
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-driver-dma-idxd b/Documentation/ABI/stable/sysfs-driver-dma-idxd
index b44183880935..5ea81ffd3c1a 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: 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
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: 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
Date: Oct 25, 2019
KernelVersion: 5.6.0