Hi Arnd, Sorry for the delay on this, I had to do a bit of digging.
On Mon, Dec 22, 2014 at 01:36:01PM +0000, Arnd Bergmann wrote: > Do you think it's possible that we might have to deal with a single PCI host > that is connected two different SMMU instances for the purposes of extending > the StreamID space from 15 to 16 bits? I think we would have trouble > expressing this with the current syntax. Unfortunately, this sounds like something we may well have to support. Whilst the SMMUv2 architecture did grow a late extension to support 16-bit StreamIDs, that may have been too late for all silicon vendors and, as such, I'm not confident that such systems will present a single software interface for their SMMU. Will _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
