PCIR_SRIOV_TOTAL_VFS
PCIR_SRIOV_TOTAL_VFS, 2);
total_vfs = IOV_READ(dinfo, PCIR_SRIOV_TOTAL_VFS, 2);
total_vf_cnt = pci_read_config(dev, iov_pos + PCIR_SRIOV_TOTAL_VFS, 2);
total_vfs = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_TOTAL_VFS, 2);