On Mon, 6 Jun 2016 10:44:25 -0700 Neo Jia <c...@nvidia.com> wrote: > On Mon, Jun 06, 2016 at 04:29:11PM +0800, Dong Jia wrote: > > On Sun, 5 Jun 2016 23:27:42 -0700 > > Neo Jia <c...@nvidia.com> wrote: > > > > 2. VFIO_DEVICE_CCW_CMD_REQUEST > > This intends to handle an intercepted channel I/O instruction. It > > basically need to do the following thing: > > May I ask how and when QEMU knows that he needs to issue such VFIO ioctl at > first place?
Yep, this is my question as well. It sounds a bit like there's an emulated device in QEMU that's trying to tell the mediated device when to start an operation when we probably should be passing through whatever i/o operations indicate that status directly to the mediated device. Thanks, Alex
