Re: [Qemu-devel] [PATCH 00/13] IOMMU: Enable interrupt remapping for Intel IOMMU

[Peter Xu]

On Fri, Feb 19, 2016 at 11:15:06AM +0100, Jan Kiszka wrote:
> On 2016-02-19 10:58, Paolo Bonzini wrote:
> > I think you're not verifying the SVT, SID and SQ fields in the IRTE.
> 
> Exactly.
> 
> > 
> > The source ID can be passed to the IOMMU using the MemTxAttrs mechanism.
> 
> Ah, that's a nice new channel, resolving the need for using/passing
> source-specific target memory regions for this. At least for PCI
> devices, it should already be populated with the required information,
> others (IOAPIC, HPET) probably require additional work to pass what I
> defined as Q35_PSEUDO_BUS_PLATFORM, Q35_PSEUDO_DEVFN_IOAPIC/HPET.

Jan, Rita, Paolo, 

One more thing to ask: do we have any plan to move on the work to
support vhost/pass-through devices? Do you think we need these too?

Thanks.
Peter