+ @retval TRUE The device path node specified by Node is an end node of a device path.\r
+ @retval FALSE The device path node specified by Node is not an end node of\r
+ a device path.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+IsDevicePathEndType (\r
+ IN CONST VOID *Node\r
+ )\r
+{\r
+ ASSERT (Node != NULL);\r
+ return (BOOLEAN)(DevicePathType (Node) == END_DEVICE_PATH_TYPE);\r
+}\r
+\r
+/**\r
+ Determines if a device path node is an end node of an entire device path.\r
+\r
+ Determines if a device path node specified by Node is an end node of an entire\r
+ device path.\r
+ If Node represents the end of an entire device path, then TRUE is returned.\r
+ Otherwise, FALSE is returned.\r
+\r
+ If Node is NULL, then ASSERT().\r
+\r
+ @param Node A pointer to a device path node data structure.\r
+\r
+ @retval TRUE The device path node specified by Node is the end of an entire device path.\r
+ @retval FALSE The device path node specified by Node is not the end of an entire device path.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+IsDevicePathEnd (\r
+ IN CONST VOID *Node\r
+ )\r
+{\r
+ ASSERT (Node != NULL);\r
+ return (BOOLEAN)(IsDevicePathEndType (Node) && DevicePathSubType (Node) == END_ENTIRE_DEVICE_PATH_SUBTYPE);\r
+}\r
+\r
+/**\r
+ Determines if a device path node is an end node of a device path instance.\r
+\r
+ Determines if a device path node specified by Node is an end node of a device\r
+ path instance.\r
+ If Node represents the end of a device path instance, then TRUE is returned.\r
+ Otherwise, FALSE is returned.\r
+\r
+ If Node is NULL, then ASSERT().\r
+\r
+ @param Node A pointer to a device path node data structure.\r
+\r
+ @retval TRUE The device path node specified by Node is the end of a device\r
+ path instance.\r
+ @retval FALSE The device path node specified by Node is not the end of a\r
+ device path instance.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+IsDevicePathEndInstance (\r
+ IN CONST VOID *Node\r
+ )\r
+{\r
+ ASSERT (Node != NULL);\r
+ return (BOOLEAN)(IsDevicePathEndType (Node) && DevicePathSubType (Node) == END_INSTANCE_DEVICE_PATH_SUBTYPE);\r
+}\r
+\r
+/**\r
+ Sets the length, in bytes, of a device path node.\r
+\r
+ Sets the length of the device path node specified by Node to the value specified\r
+ by NodeLength. NodeLength is returned. Node is not required to be aligned on\r
+ a 16-bit boundary, so it is recommended that a function such as WriteUnaligned16()\r
+ be used to set the contents of the Length field.\r
+\r
+ If Node is NULL, then ASSERT().\r
+ If NodeLength >= SIZE_64KB, then ASSERT().\r
+ If NodeLength < sizeof (EFI_DEVICE_PATH_PROTOCOL), then ASSERT().\r
+\r
+ @param Node A pointer to a device path node data structure.\r
+ @param Length The length, in bytes, of the device path node.\r
+\r
+ @return Length\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+SetDevicePathNodeLength (\r
+ IN OUT VOID *Node,\r
+ IN UINTN Length\r
+ )\r
+{\r
+ ASSERT (Node != NULL);\r
+ ASSERT ((Length >= sizeof (EFI_DEVICE_PATH_PROTOCOL)) && (Length < SIZE_64KB));\r
+ return WriteUnaligned16 ((UINT16 *)&((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Length[0], (UINT16)(Length));\r
+}\r
+\r
+/**\r
+ Fills in all the fields of a device path node that is the end of an entire device path.\r
+\r
+ Fills in all the fields of a device path node specified by Node so Node represents\r
+ the end of an entire device path. The Type field of Node is set to\r
+ END_DEVICE_PATH_TYPE, the SubType field of Node is set to\r
+ END_ENTIRE_DEVICE_PATH_SUBTYPE, and the Length field of Node is set to\r
+ END_DEVICE_PATH_LENGTH. Node is not required to be aligned on a 16-bit boundary,\r
+ so it is recommended that a function such as WriteUnaligned16() be used to set\r
+ the contents of the Length field.\r
+\r
+ If Node is NULL, then ASSERT().\r
+\r
+ @param Node A pointer to a device path node data structure.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+SetDevicePathEndNode (\r
+ OUT VOID *Node\r
+ )\r
+{\r
+ ASSERT (Node != NULL);\r
+ CopyMem (Node, &mUefiDevicePathLibEndDevicePath, sizeof (mUefiDevicePathLibEndDevicePath));\r
+}\r
+\r
+/**\r
+ Returns the size of a device path in bytes.\r
+\r
+ This function returns the size, in bytes, of the device path data structure\r
+ specified by DevicePath including the end of device path node.\r
+ If DevicePath is NULL or invalid, then 0 is returned.\r
+\r
+ @param DevicePath A pointer to a device path data structure.\r
+\r
+ @retval 0 If DevicePath is NULL or invalid.\r
+ @retval Others The size of a device path in bytes.\r
+\r
+**/\r
+UINTN\r
+EFIAPI\r
+GetDevicePathSize (\r
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath\r
+ )\r
+{\r
+ return mDevicePathLibDevicePathUtilities->GetDevicePathSize (DevicePath);\r
+}\r
+\r
+/**\r
+ Creates a new copy of an existing device path.\r
+\r
+ This function allocates space for a new copy of the device path specified by\r
+ DevicePath. If DevicePath is NULL, then NULL is returned.\r
+ If the memory is successfully allocated, then the\r
+ contents of DevicePath are copied to the newly allocated buffer, and a pointer to that buffer\r
+ is returned. Otherwise, NULL is returned.\r
+ The memory for the new device path is allocated from EFI boot services memory.\r
+ It is the responsibility of the caller to free the memory allocated.\r
+\r
+ @param DevicePath A pointer to a device path data structure.\r
+\r
+ @retval NULL If DevicePath is NULL or invalid.\r
+ @retval Others A pointer to the duplicated device path.\r