[libvirt-users] Is it possible to define serial port speed?

Daniel P. Berrange berrange at redhat.com
Mon Oct 28 14:57:43 UTC 2013


On Mon, Oct 28, 2013 at 10:29:55AM +0000, Marco André Dinis wrote:
> Hi
> 
> I would like to know if it's possible to define serial port speed using libvirt.
> 
> I'm trying to connect the guest with the host for communication.
> Usually only small messages are transferred, but i might need to
> transfer huge files, so i would like to know if i can use SerialPort
> interface to do that.

Traditional speed settings fairly meaningless for emulated hardware,
as the emulation will transfer data as fast as possible. If you are
connecting the virtual serial port to a host serial port though,
QEMU will pass through settings. ie if the guest OS sets the serial
device speed, QEMU will update the host serial port to match. So there
is nothing to configure from libvirt's POV. The guest OS initiated
changes should just "do the right thing"

Daniel 
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