added 64 bit operand support

[palacios.git] / palacios / include / devices / serial.h

diff --git a/palacios/include/devices/serial.h b/palacios/include/devices/serial.h
index 36bd07c..78ff076 100644 (file)
--- a/palacios/include/devices/serial.h
+++ b/palacios/include/devices/serial.h
@@ -1,4 +1,4 @@
-/*
+/* 
  * This file is part of the Palacios Virtual Machine Monitor developed
  * by the V3VEE Project with funding from the United States National 
  * Science Foundation and the Department of Energy.  
@@ -17,16 +17,28 @@
  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
  */
 
+#ifndef __DEVICES_SERIAL_H__
+#define __DEVICES_SERIAL_H__
 
-#ifndef __SERIAL_H__
-#define __SERIAL_H__
+#ifdef __V3VEE__
 
+/* Really need to find clean way to allow a backend stream device to be attachable
+   to different kinds of frontend devices that can act as a stream */
 
+struct v3_stream_ops  {
+    /* called by serial device to the backend stream device */
+    int (*read)(char *buf, uint_t len, void *private_data);
+    int (*write)(char *buf, uint_t len, void *private_data);
 
-#include <palacios/vm_dev.h>
+    /* called by backend device to frontend serial device */
+    int (*input)(char *buf, uint_t len, void *front_data);
+    void *front_data;
+};
 
 
+int v3_stream_register_serial(struct vm_device * serial_dev, struct v3_stream_ops * ops, void * private_data);
+
+#endif // ! __V3VEE__
 
-struct vm_device * create_serial();
 
 #endif