On Wed, Jan 03, 2024 at 08:48:46AM -0800, Nicolin Chen wrote: > > You can pass the ctx to the invalidate op, it is already implied > > because the passed iommu_domain is linked to a single iommufd ctx. > > The device virtual id lookup API needs something similar, yet it > likely needs a viommu pointer (or its id) instead? As the table > is attached to a viommu while an ictx can have multiple viommus, > right? Yes, when we get to an API for that it will have to be some op 'invalidate_viommu(..)' and it can get the necessary pointers. The viommu object will have to be some driver object like the iommu_domain. Jason