[coreboot] KGPE-D16 SR-IOV problems (iommu groups) - Anyone else tried this?

[Timothy Pearson]

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On 01/21/2017 02:57 AM, Taiidan at gmx.com wrote:
> It seems the PCI-e root ports on the KGPE-D16 have ARI which is needed
> for SR-IOV, however it is not reported via # lspci -vv
> I assume that is why the VF's are not assigned to IOMMU groups and thus
> can't be assigned.
> 
> I am running coreboot v4.5 (I forgot to note this as it is another late
> night)
> 
> Tim was the ARI feature implemented when you guys did the programming?
> https://support.amd.com/TechDocs/44549.pdf

We did not explicitly enable nor verify the ARI feature as we did not
need it for our internal machines.  As always, this is something that we
could definitely work on under contract, and I am always happy to review
patches on Gerrit if you choose to tackle this on your own!

- -- 
Timothy Pearson
Raptor Engineering
+1 (415) 727-8645 (direct line)
+1 (512) 690-0200 (switchboard)
https://www.raptorengineering.com
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