On Thu, 25 Mar 2010 09:17:17 +0530 Amit Shah <amit.s...@redhat.com> wrote:
> On (Wed) Mar 24 2010 [17:34:15], Luiz Capitulino wrote: > > On Wed, 24 Mar 2010 20:19:28 +0530 > > Amit Shah <amit.s...@redhat.com> wrote: > > > > > When adding a port or a device to the guest fails, management software > > > might be interested in knowing and then cleaning up the host-side of the > > > port. Introduce QMP events to signal such errors. > > > > I'm completely unfamiliar with virtio-serial, so let me ask: how are ports > > added? I'd expect the command performing this operation to fail in this > > case. > > If adding the port fails in qemu, then the command will fail. However if > adding the port in the guest fails, we raise this QMP event. Adding in > the guest could fail because of several reasons, like ENOMEM. In this > case, the mgmt might want to hot-unplug the port from qemu so that > resources are freed and also apps are notified of guest side not ready. Ok, what about a disconnect? Does virtio-serial have this kind of action?
