ib_intr_enable
ib_intr_enable(pci_p, pci_p->pci_inos[CBNINTR_PBM]);
ib_intr_enable(pci_p, pci_p->pci_inos[CBNINTR_PBM]);
ib_intr_enable(pci_p, pci_p->pci_inos[CBNINTR_CDMA]);
extern void ib_intr_enable(pci_t *pci_p, ib_ino_t ino);