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virtio-console: qdev conversion, new virtio-serial-bus
This commit converts the virtio-console device to create a newvirtio-serial bus that can host console and generic serial ports. Thefile hosting this code is now called virtio-serial-bus.c.
The virtio console is now a very simple qdev device that sits on the...
virtio-serial-bus: Maintain guest and host port open/close state
Via control channel messages, the guest can tell us whether a port gotopened or closed. Similarly, we can also indicate to the guest of hostport open/close events.
Signed-off-by: Amit Shah <amit.shah@redhat.com>...