net/hinic/base: add flow director config interface

[dpdk.git] / drivers / bus / pci / pci_common.c

diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c
index 9794552..6b46b4f 100644 (file)
--- a/drivers/bus/pci/pci_common.c
+++ b/drivers/bus/pci/pci_common.c
@@ -616,8 +616,16 @@ rte_pci_get_iommu_class(void)
        const struct rte_pci_driver *drv;
        bool devices_want_va = false;
        bool devices_want_pa = false;
+       int iommu_no_va = -1;
 
        FOREACH_DEVICE_ON_PCIBUS(dev) {
+               /*
+                * We can check this only once, because the IOMMU hardware is
+                * the same for all of them.
+                */
+               if (iommu_no_va == -1)
+                       iommu_no_va = pci_device_iommu_support_va(dev)
+                                       ? 0 : 1;
                if (pci_ignore_device(dev))
                        continue;
                if (dev->kdrv == RTE_KDRV_UNKNOWN ||
@@ -643,7 +651,13 @@ rte_pci_get_iommu_class(void)
                                devices_want_va = true;
                }
        }
-       if (devices_want_va && !devices_want_pa) {
+       if (iommu_no_va == 1) {
+               iova_mode = RTE_IOVA_PA;
+               if (devices_want_va) {
+                       RTE_LOG(WARNING, EAL, "Some devices want 'VA' but IOMMU does not support 'VA'.\n");
+                       RTE_LOG(WARNING, EAL, "The devices that want 'VA' won't initialize.\n");
+               }
+       } else if (devices_want_va && !devices_want_pa) {
                iova_mode = RTE_IOVA_VA;
        } else if (devices_want_pa && !devices_want_va) {
                iova_mode = RTE_IOVA_PA;