On Thu, 31 Oct 2013 18:40:29 +0100 Mark Rutland <mark.rutl...@arm.com> wrote:
> For the ARM SMMU binding, each device has a #stream-id-cells property > describing how many IDs it has, and then the SMMU node has a phandle+args > linkage to each of the devices attached to it, describing their stream IDs. > While this does have some limitations (a device can't be plugged into multiple > SMMUs with a different number of IDs), it seems generally sane. I may guess that the concept of "iommu domain" can hold the nested IOMMU in an unified way? _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
