--- /dev/null
+/*
+ * 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.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+
+#ifndef __VMM_HYPERCALL_H__
+#define __VMM_HYPERCALL_H__
+
+#ifdef __V3VEE__
+#include <palacios/vmm_types.h>
+#include <palacios/vmm_rbtree.h>
+
+typedef struct rb_root v3_hypercall_map_t;
+
+struct guest_info;
+
+void v3_init_hypercall_map(struct guest_info * info);
+
+
+int v3_register_hypercall(struct guest_info * info, uint_t hypercall_id,
+ int (*hypercall)(struct guest_info * info, uint_t hcall_id, void * priv_data),
+ void * priv_data);
+
+
+
+int v3_handle_hypercall(struct guest_info * info);
+
+
+
+#endif
+
+#endif