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| author | Dave Jiang <dave.jiang@intel.com> | 2020-08-28 15:12:50 -0700 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-09-03 12:40:12 +0530 |
| commit | e7184b159dd37f4be8ff3d070c7c11f76b5bc3fe (patch) | |
| tree | 9c7891e6deddb6a3de55f5a91839deea4d63ad37 /Documentation/ABI/stable/sysfs-driver-dma-idxd | |
| parent | d7aad5550eca50370e3a1471b46281d03af0699e (diff) | |
| download | linux-e7184b159dd37f4be8ff3d070c7c11f76b5bc3fe.tar.bz2 | |
dmaengine: idxd: add support for configurable max wq batch size
Add sysfs attribute max_batch_size to wq in order to allow the max batch
size configured on a per wq basis. Add support code to configure
the valid user input on wq enable. This is a performance tuning
parameter.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/159865273617.29141.4383066301730821749.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-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 452f353b4748..a2bc4afbe308 100644 --- a/Documentation/ABI/stable/sysfs-driver-dma-idxd +++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd @@ -177,6 +177,13 @@ Contact: dmaengine@vger.kernel.org Description: The max transfer sized for this workqueue. Cannot exceed device max transfer size. Configurable parameter. +What: /sys/bus/dsa/devices/wq<m>.<n>/max_batch_size +Date: Aug 28, 2020 +KernelVersion: 5.10.0 +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/engine<m>.<n>/group_id Date: Oct 25, 2019 KernelVersion: 5.6.0 |