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(parent: 120e214) | patch
vfio: ccw: return I/O results asynchronously
authorDong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Fri, 17 Mar 2017 03:17:39 +0000 (04:17 +0100)
committerCornelia Huck <cornelia.huck@de.ibm.com>
Fri, 31 Mar 2017 10:55:10 +0000 (12:55 +0200)
commite5f84dbaea59b4f712dac428c337528b70e1c533
treef39d0e4e18b8a24b4da0b2d71f7a5c4aa70b3d18tree | snapshot (tar.gz zip)
parent120e214e504fd6d3e33ec4b661193600b2faab95commit | diff
vfio: ccw: return I/O results asynchronously

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>
drivers/s390/cio/vfio_ccw_drv.c diff | blob | blame | history
drivers/s390/cio/vfio_ccw_ops.c diff | blob | blame | history
drivers/s390/cio/vfio_ccw_private.h diff | blob | blame | history