Re: [Xen-users] COM1 on domU

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Thu, 2015-10-22 at 12:53 +0200, Wolf Grossi wrote:
> Greetings,
> 
> I have converted from xm to libvirt-xml using
> 
> virsh domxml-from-native xen-xm DOMAIN > DOMAIN.xml
> 
> Works fine so far, however I did not find a way to configure a seraial
> port for the paravirt domU.
> virsh simply ignores the entry in the xm configuration.
> 
> With xm I had the entry
> 
> irq=[4]
> ioports=['3f8-3ff']
> 
> and COM1-COM2 was available in dumU.
> 
> How do I configure the above with libvirt/virsh for the appropriate
> DOMAIN.xml?

AFAICT from grepping the source this has never been implemented in either
the xend or libxl libvirt backends, sorry.

From google I'm not even sure if such things are available in the libvirt
XML API for those backends to be taught about either.

I'd suggest asking on the libvirt support lists, someone there might have
more insight. It possible that some libvirt development may be required
here I'm afraid (libxl already exposes the interfaces needed).

Alternatively you could use xl instead of libvirt, it's supposed to be a
mostly straight replacement for xm.

Ian.

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