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Re: [Xen-devel] [PATCH] VM-Tool: C-based Xen management tools



Nice work!

> > Are you going to be doing the USB and PCI stuff as well?
> > Will you need any help on that?
>
> Yes, the goal was to minimize the amount of features to the least amount
> required before release.  We're very interested in hearing feedback on
> what the tools should look like.

> USB and PCI support isn't that hard.  Doing in a way that people feel is
> intuitive is another matter.  Feed-back on what sort of interfaces these
> tools should have is extremely useful.

PCI should be fairly trivial at the moment since it just requires a hypercall.  
USB is very similar to Vifs and Vbds from the control protocol PoV.

As far as making the interface intuitive...  I think it's reasonably sane to 
specify this stuff the way the current tools do, although arguably it would 
be useful to have some sort of abstraction so that users don't have to think 
about PCI config space / USB port IDs.

Cheers,
Mark

> > So there will be no effort to backport, correct?
>
> That depends on demand.  The tools could be modified to open the
> controls channels directly instead of going through xcs, but I'd rather
> encourage an xcs based world where Xend and vm-tools can live together.
> Of course, if someone was willing to backport the old Xend to xcs... :-)
>
> Thanks,
> Anthony Liguori
>
>
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