X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Finclude%2Frte_vfio.h;h=b360485fad98488e46ae202395b8952907687b4f;hb=b6be16acfeb1cc58c7f37638f007e302527657cd;hp=4b3a91e91e8eb425068a8d0a7757b8e185514c68;hpb=1fd3bcf3f97b219a93456466cb1aa46e2419f051;p=dpdk.git

diff --git a/lib/librte_eal/common/include/rte_vfio.h b/lib/librte_eal/common/include/rte_vfio.h
index 4b3a91e91e..b360485fad 100644
--- a/lib/librte_eal/common/include/rte_vfio.h
+++ b/lib/librte_eal/common/include/rte_vfio.h
@@ -80,6 +80,8 @@ struct vfio_device_info;
 
 #endif /* VFIO_PRESENT */
 
+#define RTE_VFIO_DEFAULT_CONTAINER_FD (-1)
+
 /**
  * Setup vfio_cfg for the device identified by its address.
  * It discovers the configured I/O MMU groups or sets a new one for the device.
@@ -178,7 +180,7 @@ int rte_vfio_noiommu_is_enabled(void);
  * an error on BSD.
  *
  * @param vfio_group_fd
- *   VFIO Grouup FD.
+ *   VFIO Group FD.
  *
  * @return
  *   0 on success.
@@ -351,7 +353,8 @@ rte_vfio_container_group_unbind(int container_fd, int iommu_group_num);
  * Perform DMA mapping for devices in a container.
  *
  * @param container_fd
- *   the specified container fd
+ *   the specified container fd. Use RTE_VFIO_DEFAULT_CONTAINER_FD to
+ *   use the default container.
  *
  * @param vaddr
  *   Starting virtual address of memory to be mapped.
@@ -374,7 +377,8 @@ rte_vfio_container_dma_map(int container_fd, uint64_t vaddr,
  * Perform DMA unmapping for devices in a container.
  *
  * @param container_fd
- *   the specified container fd
+ *   the specified container fd. Use RTE_VFIO_DEFAULT_CONTAINER_FD to
+ *   use the default container.
  *
  * @param vaddr
  *   Starting virtual address of memory to be unmapped.