added full device support

[palacios.git] / palacios / include / palacios / vmm_io.h

diff --git a/palacios/include/palacios/vmm_io.h b/palacios/include/palacios/vmm_io.h
index 14c2e76..34c04f0 100644 (file)
--- a/palacios/include/palacios/vmm_io.h
+++ b/palacios/include/palacios/vmm_io.h
@@ -35,18 +35,18 @@ typedef struct vmm_io_map {
 } vmm_io_map_t;
 
 
-void add_io_hook(vmm_io_map_t * io_map, vmm_io_hook_t * io_hook);
+int add_io_hook(vmm_io_map_t * io_map, vmm_io_hook_t * io_hook);
 
-void remove_io_hook(vmm_io_map_t * io_map, vmm_io_hook_t * io_hook);
+int remove_io_hook(vmm_io_map_t * io_map, vmm_io_hook_t * io_hook);
 
 vmm_io_hook_t * get_io_hook(vmm_io_map_t * io_map, uint_t port);
 
 
 /* External API */
-void hook_io_port(vmm_io_map_t * io_map, uint_t port, 
+int hook_io_port(vmm_io_map_t * io_map, uint_t port, 
                  int (*read)(ushort_t port, void * dst, uint_t length, void * priv_data),
                  int (*write)(ushort_t port, void * src, uint_t length, void * priv_data), 
-                 void * priv_data );
+                 void * priv_data);
 
 int unhook_io_port(vmm_io_map_t * io_map, uint_t port);
 
@@ -55,4 +55,8 @@ void init_vmm_io_map(vmm_io_map_t * io_map);
 void PrintDebugIOMap(vmm_io_map_t * io_map);
 
 
+
+
+
+
 #endif