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xen-users
[Xen-devel] RE: [Xen-users] VT-d support in HVM?
On Friday, February 08, 2008 11:10 PM, "Stephan Seitz" wrote:
>
> My question is, do I need to add patches, or use specific changesets
> to have VT-d code available in xen / dom0 kernel? If so, could
> someone provide me link?
There is a VT-d quick README in xen_source/docs/misc/vtd.txt
Anotherr link:
http://wiki.xensource.com/xenwiki/VTdHowTo?highlight=%28vtd%29
> Indeed, I found a lot of information in xen-devel, but I don't know
> which of the submitted patches are accepted and which are merged into
> mercurial.
>
> Is redirection of e.g. a pci network card or a pci isdn card possible
> for hvm domU's without special driver support by the guest (say:
> windows)?
Guest needs drivers to enable devices. Dom0 doesn't need.
> Is there any support for pci/e and/or pci-x?
Yes. It supports PCIe and PCI/x devices. But, guest doesn't supported MSI yet.
For example, in Linux (kernel >=2.6.18), it needs an additional kernel boot
option: "pci=nomsi".
Best Regards,
Yongkang You
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