vfio-ccw: add handling for async channel instructions

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Add a region to the vfio-ccw device that can be used to submit
asynchronous I/O instructions. ssch continues to be handled by the
existing I/O region; the new region handles hsch and csch.

Interrupt status continues to be reported through the same channels
as for ssch.

Acked-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Farhan Ali <alifm@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>

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This commit is contained in:

Cornelia Huck 2018-07-23 16:03:27 +02:00

parent b094085737

commit d5afd5d135

8 changed files with 270 additions and 18 deletions

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2

include/uapi/linux/vfio.h

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12

include/uapi/linux/vfio_ccw.h

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