dmaengine: idxd: add capability check for 'block on fault' attribute

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The device general capability has a bit that indicate whether 'block on
fault' is supported. Add check to wq sysfs knob to check if cap exists
before allowing user to toggle.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/162802992615.3084999.12539468940404102898.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Dave Jiang 2021-08-03 15:32:06 -07:00 • committed by Vinod Koul

parent 4153a7f644

commit 81c2f79c21

1 changed files with 3 additions and 0 deletions

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drivers/dma/idxd/sysfs.c

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