vfio: ccw: return I/O results asynchronously

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Introduce a singlethreaded workqueue to handle the I/O interrupts.
With the work added to this queue, we store the I/O results to the
io_region of the subchannel, then signal the userspace program to
handle the results.

Signed-off-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Message-Id: <20170317031743.40128-13-bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>

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Dong Jia Shi 2017-03-17 04:17:39 +01:00 • committed by Cornelia Huck

parent 120e214e50

commit e5f84dbaea

3 changed files with 37 additions and 31 deletions

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58

drivers/s390/cio/vfio_ccw_drv.c

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3

drivers/s390/cio/vfio_ccw_ops.c

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7

drivers/s390/cio/vfio_ccw_private.h

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