Re: [Qemu-devel] Direct guest device access from nested guest

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2013-08-28 20:12, Lluís Vilanova wrote:
> Jan Kiszka writes:
> [...]
>>> Is it possible to give a nested guest direct access to a device on the guest?
>>> (more specifically, an AHCI controller).
> 
>> Nope, we are lacking support for emulating or (securely) forwarding
>> VT-d/IOMMU features to the first level guest. Would be cool to have,
>> just not yet there. But I've talked to Intel people recently, and they
>> are considering to support some nested VT-d with KVM.
> 
> Thanks a lot. I've been told there's some patches floating around to add such
> support, but I suppose they've been long outdated and only work as POCs.

I haven't seen anything in public.

Jan

PS: You have Mail-Followup-To set in your answers - people will drop you
from CC this way.

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