On Thu, Oct 24, 2019 at 08:34:28AM -0400, Liu Yi L wrote: > This patch adds pci_device_iommu_context() to get an iommu_context > for a given device. A new callback is added in PCIIOMMUOps. Users > who wants to listen to events issued by vIOMMU could use this new > interface to get an iommu_context and register their own notifiers, > then wait for notifications from vIOMMU. e.g. VFIO is the first user > of it to listen to the PASID_ALLOC/PASID_BIND/CACHE_INV events and > propagate the events to host. > > Cc: Kevin Tian <kevin.tian@xxxxxxxxx> > Cc: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx> > Cc: Peter Xu <peterx@xxxxxxxxxx> > Cc: Eric Auger <eric.auger@xxxxxxxxxx> > Cc: Yi Sun <yi.y.sun@xxxxxxxxxxxxxxx> > Cc: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Liu Yi L <yi.l.liu@xxxxxxxxx> Reviewed-by: Peter Xu <peterx@xxxxxxxxxx> -- Peter Xu
