nicvf_iova_to_phys
cpu_addr = nicvf_iova_to_phys(nic, dma_addr);
phys_addr = nicvf_iova_to_phys(nic, *rb_ptrs);
phys_addr = nicvf_iova_to_phys(nic, buf_addr);
phys_addr = nicvf_iova_to_phys(nic, buf_addr);