--- /dev/null
+#ifndef __v3_hvm_ros_user
+#define __v3_hvm_ros_user
+
+/*
+ Copyright (c) 2015 Peter Dinda
+*/
+
+
+
+// setup and teardown
+// note that there is ONE HRT hence no naming
+int v3_hvm_ros_user_init();
+int v3_hvm_ros_user_deinit();
+
+
+int v3_hvm_ros_merge_address_spaces();
+int v3_hvm_ros_unmerge_address_spaces();
+
+
+// Asynchronosus invocation of the HRT using an
+// opaque pointer (typically this is a pointer
+// to a structure containing a function pointer and
+// arguments. The parallel flag indicates that
+// that it will be invoked simulatneously on all
+// cores.
+int v3_hvm_ros_invoke_hrt_async(void *p, int parallel);
+
+
+// synchronize with HRT via shared location
+// allow synchronous invokcations. Note that
+// any parallelism is done internal to the HRT.
+// Also the synchronous invocation always waits
+int v3_hvm_ros_synchronize();
+int v3_hvm_ros_invoke_hrt_sync(void *p, int handle_ros_events);
+int v3_hvm_ros_desynchronize();
+
+
+#endif
