RE: [PATCH v2 06/11] vfio-iommufd: Allow iommufd to be used in place of a container fd

> From: Jason Gunthorpe > Sent: Tuesday, November 8, 2022 8:53 AM > > This makes VFIO_GROUP_SET_CONTAINER accept both a vfio container FD > and an > iommufd. > > In iommufd mode an IOAS will exist after the SET_CONTAINER, but it will > not be attached to any groups. > > For VFIO this means

[PATCH v2 06/11] vfio-iommufd: Allow iommufd to be used in place of a container fd

This makes VFIO_GROUP_SET_CONTAINER accept both a vfio container FD and an iommufd. In iommufd mode an IOAS will exist after the SET_CONTAINER, but it will not be attached to any groups. For VFIO this means that the VFIO_GROUP_GET_STATUS and VFIO_GROUP_FLAGS_VIABLE works subtly differently. With