+
+int
+rte_dev_dma_map(struct rte_device *dev, void *addr, uint64_t iova,
+ size_t len)
+{
+ if (dev->bus->dma_map == NULL || len == 0) {
+ rte_errno = ENOTSUP;
+ return -1;
+ }
+ /* Memory must be registered through rte_extmem_* APIs */
+ if (rte_mem_virt2memseg_list(addr) == NULL) {
+ rte_errno = EINVAL;
+ return -1;
+ }
+
+ return dev->bus->dma_map(dev, addr, iova, len);
+}
+
+int
+rte_dev_dma_unmap(struct rte_device *dev, void *addr, uint64_t iova,
+ size_t len)
+{
+ if (dev->bus->dma_unmap == NULL || len == 0) {
+ rte_errno = ENOTSUP;
+ return -1;
+ }
+ /* Memory must be registered through rte_extmem_* APIs */
+ if (rte_mem_virt2memseg_list(addr) == NULL) {
+ rte_errno = EINVAL;
+ return -1;
+ }
+
+ return dev->bus->dma_unmap(dev, addr, iova, len);
+}