On Wed, May 05, 2021 at 04:23:19PM -0700, Raj, Ashok wrote: > > Which implies the API to the iommu driver should be more like: > > > > 'assign an IOASID to this RID and return the PASID' > > 'reserve a PASID from every RID' > > I don't think this has any decent change of success. Its rather round about > way to get a global PASID namespace. > > > 'assign an IOASID to this RID and use this specific PASID' > > This seems a bit complicated. Another way to specify this. Maybe, but I don't like that the driver-based iommu API has been corrupted by injecting a global 'first driver to claim it' resource. It is not properly layered anymore. Jason
