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A question that I think I probably know the answer to, but I want to verify. Do PCI Passthrough to HVM domUs require VTd or IOMMU? From what I've read in various places around the Internet, the answer is yes, but it's never been explicitly stated. I have a multi-port PCI serial card on a non-VTd-capable machine that I want to passthrough to a Windows domU. PCI passthrough would be the easiest option, except for the lack of VTd. I tried doing something with the IRQ and IOPORTS to pass it through, but I ended up with a device type "Xen Ioports" in my Windows domU and couldn't really get the correct driver installed. Any hints would be appreciated - even if it's to say, "Sorry, you're out of luck - go buy a machine with VTd."
Thanks!
-Nick
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