[libvirt] [PATCH] Add support for multiple serial ports to Xen driver

[Paolo Bonzini]

On 01/20/2011 02:39 PM, Michal Novotny wrote:
> Well, I'm working on support for serial port configuration as serial = [
> "/dev/null", "/dev/ttyS0", "/dev/ttyS1" ] to:
>
> 1) pass /dev/null to the guest as /dev/ttyS0
> 2) pass /dev/ttyS0 to the guest as /dev/ttyS1
> 3) pass /dev/ttyS1 to the guest as /dev/ttyS2
>
> I think this could be good thing to be implemented as well. Also, the
> libvirt XML definition should be:
>
> <serial type='dev'>
> <source path='/dev/null'/>
> <target port='0'/>
> </serial>
> <serial type='dev'>
> <source path='/dev/ttyS0'/>
> <target port='1'/>
> </serial>
> <serial type='dev'>
> <source path='/dev/ttyS1'/>
> <target port='2'/>
> </serial>
>
> Are you OK with that?

Yes, and it should "just work" with your patch.

> I'm also thinking of omitting the first <serial> block and automatically
> set the path to /dev/null when target.port is not present in the libvirt
> XML definition but it shouldn't be necessary after all. What do you
> think on this one?

No, even the qemu driver disregards target.port in the XML you give it, 
as far as I understand.

Paolo