+ has_phys_addr = false;
+ }
+
+ iova_mode = internal_conf->iova_mode;
+ if (iova_mode == RTE_IOVA_PA && !has_phys_addr) {
+ rte_eal_init_alert("Cannot use IOVA as 'PA' since physical addresses are not available");
+ rte_errno = EINVAL;
+ return -1;
+ }
+ if (iova_mode == RTE_IOVA_DC) {
+ RTE_LOG(DEBUG, EAL, "Specific IOVA mode is not requested, autodetecting\n");
+ if (has_phys_addr) {
+ RTE_LOG(DEBUG, EAL, "Selecting IOVA mode according to bus requests\n");
+ iova_mode = rte_bus_get_iommu_class();
+ if (iova_mode == RTE_IOVA_DC)
+ iova_mode = RTE_IOVA_PA;
+ } else {
+ iova_mode = RTE_IOVA_VA;
+ }