On Wed, May 24, 2017 at 07:01:38PM +0100, Jean-Philippe Brucker wrote: > +- ats-supported: if present, the root complex supports the Address > + Translation Service (ATS). It is able to interpret the AT field in PCIe > + Transaction Layer Packets, and forward Translation Completions or > + Invalidation Requests to endpoints. > + > + Device drivers should not enable ATS in endpoints unless this property > + is present.
Device drivers should never enable ATS, this is the job of the IOMMU driver. This should be clarified in the text. _______________________________________________ iommu mailing list firstname.lastname@example.org https://lists.linuxfoundation.org/mailman/listinfo/iommu