On Fri, 1 Mar 2019 10:38:56 +0100 Cornelia Huck <cohuck@xxxxxxxxxx> wrote: > [This is the Linux kernel part, git tree is available at > https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/vfio-ccw.git vfio-ccw-eagain-caps-v3 > > The companion QEMU patches are available at > https://github.com/cohuck/qemu vfio-ccw-caps] > > Currently, vfio-ccw only relays START SUBCHANNEL requests to the real > device. This tends to work well for the most common 'good path' scenarios; > however, as we emulate {HALT,CLEAR} SUBCHANNEL in QEMU, things like > clearing pending requests at the device is currently not supported. > This may be a problem for e.g. error recovery. > > This patch series introduces capabilities (similar to what vfio-pci uses) > and exposes a new async region for handling hsch/csch. One more gentle ping for an ack/r-b for patches 4 and 6. I could go ahead and merge patches 1-3 and then patches 1+3 of Farhan's series, but I'd really like to merge patches 4-6 as well so I can later merge the QEMU part after a headers update to 5.2-rc...