dmaengine: idxd: handle invalid interrupt handle descriptors

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Handle a descriptor that has been marked with invalid interrupt handle
error in status. Create a work item that will resubmit the descriptor. This
typically happens when the driver has handled the revoke interrupt handle
event and has a new interrupt handle.

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/163528419601.3925689.4166517602890523193.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Dave Jiang 2021-10-26 14:36:36 -07:00 • committed by Vinod Koul

parent bd5970a0d0

commit f6d442f708

3 changed files with 61 additions and 4 deletions

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14

drivers/dma/idxd/dma.c

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1

drivers/dma/idxd/idxd.h

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50

drivers/dma/idxd/irq.c

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