On Sat, Nov 4, 2023 at 1:17 AM Cindy Lu [off-list ref] wrote:

VHOST_VDPA_SET_IOMMU_FD: bind the device to iommufd device

VDPA_DEVICE_ATTACH_IOMMUFD_AS: Attach a vdpa device to an iommufd
address space specified by IOAS id.

VDPA_DEVICE_DETACH_IOMMUFD_AS: Detach a vdpa device
from the iommufd address space

Signed-off-by: Cindy Lu <redacted>

As discussed in the previous version, any reason/advantages of this
compared to just having a single  VDPA_DEVICE_ATTACH_IOMMUFD_AS?

Thanks