return ret;
}
+static int
+pci_dma_map(struct rte_device *dev, void *addr, uint64_t iova, size_t len)
+{
+ struct rte_pci_device *pdev = RTE_DEV_TO_PCI(dev);
+
+ if (!pdev || !pdev->driver) {
+ rte_errno = EINVAL;
+ return -1;
+ }
+ if (pdev->driver->dma_map)
+ return pdev->driver->dma_map(pdev, addr, iova, len);
+ /**
+ * In case driver don't provides any specific mapping
+ * try fallback to VFIO.
+ */
+ if (pdev->kdrv == RTE_KDRV_VFIO)
+ return rte_vfio_container_dma_map
+ (RTE_VFIO_DEFAULT_CONTAINER_FD, (uintptr_t)addr,
+ iova, len);
+ rte_errno = ENOTSUP;
+ return -1;
+}
+
+static int
+pci_dma_unmap(struct rte_device *dev, void *addr, uint64_t iova, size_t len)
+{
+ struct rte_pci_device *pdev = RTE_DEV_TO_PCI(dev);
+
+ if (!pdev || !pdev->driver) {
+ rte_errno = EINVAL;
+ return -1;
+ }
+ if (pdev->driver->dma_unmap)
+ return pdev->driver->dma_unmap(pdev, addr, iova, len);
+ /**
+ * In case driver don't provides any specific mapping
+ * try fallback to VFIO.
+ */
+ if (pdev->kdrv == RTE_KDRV_VFIO)
+ return rte_vfio_container_dma_unmap
+ (RTE_VFIO_DEFAULT_CONTAINER_FD, (uintptr_t)addr,
+ iova, len);
+ rte_errno = ENOTSUP;
+ return -1;
+}
+
struct rte_pci_bus rte_pci_bus = {
.bus = {
.scan = rte_pci_scan,
.plug = pci_plug,
.unplug = pci_unplug,
.parse = pci_parse,
+ .dma_map = pci_dma_map,
+ .dma_unmap = pci_dma_unmap,
.get_iommu_class = rte_pci_get_iommu_class,
.dev_iterate = rte_pci_dev_iterate,
.hot_unplug_handler = pci_hot_unplug_handler,