diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2020-11-14 01:55:05 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-12-10 10:26:44 +0300 |
| commit | 92de5fa2dc39c3fba0704f7ac914e7f02eb732f2 (patch) | |
| tree | b867127de4232b0d82716fd3ba773f794d8abc7e /Documentation/ABI/stable | |
| parent | 5d051f37f49d5bf04dca15fadea3a90a6a6f0f15 (diff) | |
| download | linux-92de5fa2dc39c3fba0704f7ac914e7f02eb732f2.tar.xz | |
dmaengine: idxd: add ATS disable knob for work queues
With the DSA spec 1.1 update, a knob to disable ATS for individually is
introduced. Add enabling code to allow a system admin to make the
configuration through sysfs.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/160530810593.1288392.2561048329116529566.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-idxd | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-driver-dma-idxd b/Documentation/ABI/stable/sysfs-driver-dma-idxd index 5ea81ffd3c1a..55285c136cf0 100644 --- a/Documentation/ABI/stable/sysfs-driver-dma-idxd +++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd @@ -204,6 +204,13 @@ Contact: dmaengine@vger.kernel.org Description: The max batch size for this workqueue. Cannot exceed device max batch size. Configurable parameter. +What: /sys/bus/dsa/devices/wq<m>.<n>/ats_disable +Date: Nov 13, 2020 +KernelVersion: 5.11.0 +Contact: dmaengine@vger.kernel.org +Description: Indicate whether ATS disable is turned on for the workqueue. + 0 indicates ATS is on, and 1 indicates ATS is off for the workqueue. + What: /sys/bus/dsa/devices/engine<m>.<n>/group_id Date: Oct 25, 2019 KernelVersion: 5.6.0 |