X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Finclude%2Frte_pci.h;h=0e36de0938bf105d463051df5d26d03f120c6315;hb=a4f0a2dbe5abc2cadf0300fb4d5767b66254035d;hp=eab84c7a470cdffe4c02a925f33a16f2757dce72;hpb=aadc3eb002d342c06ce1ed13e15ddac44d2e88b8;p=dpdk.git

diff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h
index eab84c7a47..0e36de0938 100644
--- a/lib/librte_eal/common/include/rte_pci.h
+++ b/lib/librte_eal/common/include/rte_pci.h
@@ -381,6 +381,17 @@ int
 rte_pci_match(const struct rte_pci_driver *pci_drv,
 	      const struct rte_pci_device *pci_dev);
 
+
+/**
+ * Get iommu class of PCI devices on the bus.
+ * And return their preferred iova mapping mode.
+ *
+ * @return
+ *   - enum rte_iova_mode.
+ */
+enum rte_iova_mode
+rte_pci_get_iommu_class(void);
+
 /**
  * Map the PCI device resources in user space virtual memory address
  *