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xen-users
Re: [Xen-users] Using xen with separated hardware configurations
On Tue, 2005-07-12 at 13:49 +0100, Mark Williamson wrote:
> What kind of device is it? If it's a block device or a network
> device, this is already easily doable. If it's some other kind of
> device then the sharing semantics are less clear.
It's an USB-stick like device. I'm guessing a block-device. We don't
have the source code of the kernel module and/or software that uses the
device. We get this from our supplier.
> Xen 3.0 should have the ability to attach an arbitrary USB device to a
> domain. You won't be able to share it simultaneously but there would
> be nothing to stop you swapping the device between the domains as
> required.
Ok.
> > whereas for the device on the PCI-bus we only want to
> > make it accessible for one of the two instances.
> You can do this in Xen 2.0 but it's a little unfriendly at the moment
> - I see you've found some information on this. Note that once you've
> givien a domain control of a device,on the PCI bus you do have to
> trust it (and its applications) to be non-malicious.
Of course. I understand.
> People are using the PCI bus sharing part of Xen very happily "in the
> wild" to allow their guest domains to function as routers / firewalls,
> Asterisk PBXes,
> etc.
Sounds promising.
Thanks
--
Philip Van Hoof, Software Developer @ Cronos
home: me at pvanhoof dot be
gnome: pvanhoof at gnome dot org
work: philip dot vanhoof at cronos dot be
junk: philip dot vanhoof at gmail dot com
http://www.pvanhoof.be/
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