26/11/2019 07:49, Hui Wei: > nic bind to mlx5_core, enable sriov, nic has one pf and 8 vfs, > bind pf to vfio-pci failed, can not regress to mlx5_core I don't understand what you try to do. For info, mlx5 does not bind to VFIO, but uses a bifurcated driver model.