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xen-devel
RE: [Xen-devel] [Q] Is qemu used when we use VTd?
>From: Akio Takebe
>Sent: 2008年9月11日 18:46
>
>Hi,
>
>If we assign a device to HVM guest,
>HVM guest can do directry DMA transfer.
>But how about accessing pci configuration register
>of the pass through device? Do we still access
>pci configuration register through qemu?
>
Yes, even when we say that given on PCI config field
can be directly accessed by HVM guest, it's still trapped
to Qemu for route.
Thanks,
Kevin
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