On Wed, Jun 24, 2020 at 12:56:15PM +0100, Daniel P. Berrangé wrote: > On Wed, Jun 24, 2020 at 01:26:34PM +0200, Szymon Lukasz wrote: > > In this series resize notifications are only supported for the stdio > > backend but I think it should be easy to add support for the vc backend. > > Support for tty/serial backends is complicated by the fact that there is > > no clean way to detect resizes of the underlying terminal. > > In a libvirt managed scenario it is typical to have the virtio console > connected to a UNIX socket. It would be desirable to have a way to > deal with resizes there. > > QEMU socket chardev (TCP & UNIX socket) supports a "telnet" protocol > addition. Currently it doesn't almost nothing useful, but in theory > we could wire up support for the telnet resize message: > > https://tools.ietf.org/html/rfc1073 > > > Another option is to allow dealing with resizes out of band, via the > QMP monitor. ie we can introduce a qmp_chardev_winsize command that > a client app can use to trigger the resize message to the guest OS. > From libvirt's POV, this would be quite easy to support & useful to > have.
I will look into that. > > > Regards, > Daniel > -- > |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| > |: https://libvirt.org -o- https://fstop138.berrange.com :| > |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :| >
