dmaengine: idxd: support reporting of halt interrupt

Browse source

Unmask the halt error interrupt so it gets reported to the interrupt
handler. When halt state interrupt is received, quiesce the kernel
WQs and unmap the portals to stop submission.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/161894441167.3202472.9485946398140619501.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

...

This commit is contained in:

Dave Jiang 2021-04-20 11:46:51 -07:00 • committed by Vinod Koul

parent cf5f86a7d4

commit 5b0c68c473

5 changed files with 33 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

15

drivers/dma/idxd/device.c

View file

2

drivers/dma/idxd/idxd.h

View file

12

drivers/dma/idxd/init.c

View file

2

drivers/dma/idxd/irq.c

View file

3

drivers/dma/idxd/registers.h

View file