clp_set_pci_fn
rc = clp_set_pci_fn(zdev, fh, nr_dma_as, CLP_SET_ENABLE_PCI_FN);
rc = clp_set_pci_fn(zdev, fh, nr_dma_as, CLP_SET_ENABLE_MIO);
rc = clp_set_pci_fn(zdev, fh, 0, CLP_SET_DISABLE_PCI_FN);