[libvirt] how to pass qemu options?

[David Abrahams]

on Thu May 15 2008, "Daniel P. Berrange" <berrange-AT-redhat.com> wrote:

> On Thu, May 15, 2008 at 02:34:20PM +0200, Gerd Hoffmann wrote:
>> Daniel P. Berrange wrote:
>> 
>> > We explicitly do not support passing arbitrary arguments to QEMU.
>> 
>> Supporting and implementing are two different things IMHO.
>>
>> It is pretty clear that *supporting* such a configuration is impossible
>> and that running it on production systems is a really bad idea for the
>> reasons outlined.
>
> We can say that all we like, but the reality is 'we ship it, we support it'.
> Users are going to file bugs if things break & are going to want them fixed
> In RHEL we ship Xen with SDL support for framebuffer, even though our tools
> only 'support' VNC. We still have multiple bugs file against SDL and we have
> to fix them. Users don't distinguish, they just use all the features you
> provide them and expect them all to work.
>
>> Nevertheless being able to pass random additional arguments to $emulator
>> is required for any serious development work.  I *hate* to having to
>> create a wrapper script each time I need to pass in additional
>> parameters, and I'd *love* to see libvirt being a bit more developer
>> friendly.
>
> Historically we've not had very complete coverage of QEMU args, but we've
> been adding alot of new functionality recently so the need for extra args
> is reducing all the time. We recently added serial, parallel, sound and
> drive support. USB is the next on the list at which point we basically 
> have coverage of all the important options we should reasonably expect.
> Creating wrapper scripts for experimentation is not that difficult.

I'm using the TCP redirection option "-redir ..." to do seamless RDP
securely.  Unimportant?

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com