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authorDave Jiang <dave.jiang@intel.com>2020-08-29 01:13:55 +0300
committerVinod Koul <vkoul@kernel.org>2020-09-03 10:10:12 +0300
commitff18de55a62f0e8f0dcf11bfa7f69b23e6e951b0 (patch)
tree324074b701e98225cef6d749cb0f88cbd39e80bb /Documentation/ABI/stable/sysfs-driver-dma-idxd
parente7184b159dd37f4be8ff3d070c7c11f76b5bc3fe (diff)
downloadlinux-ff18de55a62f0e8f0dcf11bfa7f69b23e6e951b0.tar.xz
dmaengine: idxd: add command status to idxd sysfs attribute
Export admin command status to sysfs attribute in order to allow user to retrieve configuration error. Allows user tooling to retrieve the command error and provide more user friendly error messages. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/159865278770.29455.8026892329182750127.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'Documentation/ABI/stable/sysfs-driver-dma-idxd')
-rw-r--r--Documentation/ABI/stable/sysfs-driver-dma-idxd6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-driver-dma-idxd b/Documentation/ABI/stable/sysfs-driver-dma-idxd
index a2bc4afbe308..b44183880935 100644
--- a/Documentation/ABI/stable/sysfs-driver-dma-idxd
+++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd
@@ -116,6 +116,12 @@ 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/dsa<m>/cmd_status
+Date: Aug 28, 2020
+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>/group_id
Date: Oct 25, 2019
KernelVersion: 5.6.0