map_bar
rc = map_bar(ntb, &ntb->bar_info[NTB_CONFIG_BAR]);
rc = map_bar(ntb, &ntb->bar_info[NTB_BAR_1]);
rc = map_bar(ntb, &ntb->bar_info[NTB_BAR_2]);
rc = map_bar(ntb, &ntb->bar_info[NTB_BAR_3]);