a0c95f201170 ("vhost-vdpa: introduce uAPI to get the number of address spaces")
3ace88bd3743 ("vhost-vdpa: introduce uAPI to get the number of virtqueue groups")
b04d910af330 ("vdpa: support exposing the count of vqs to userspace")
a61280ddddaa ("vdpa: support exposing the config size to userspace")