Messages in this thread | | | Date | Fri, 10 Mar 2023 12:06:18 -0400 | From | Jason Gunthorpe <> | Subject | Re: [PATCH v1 02/14] iommufd: Add nesting related data structures for ARM SMMUv3 |
| |
On Thu, Mar 09, 2023 at 08:50:52PM -0800, Nicolin Chen wrote: > On Thu, Mar 09, 2023 at 10:48:50AM -0400, Jason Gunthorpe wrote: > > > Nicolin, I think we should tweak the uAPI here so that the > > invalidation opaque data has a format tagged on its own, instead of > > re-using the HWPT tag. Ie you can have a ARM SMMUv3 invalidate type > > tag and also a virtio-viommu invalidate type tag. > > The invalidation tage is shared with the hwpt allocation. Does > it mean that virtio-iommu won't have it's own allocation tag?
We probably shouldn't assume it will
Jason
| |