added ability to partially hook MSRs

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

diff --git a/palacios/include/palacios/vmm_extensions.h b/palacios/include/palacios/vmm_extensions.h
index c6a2ae2..fdddb69 100644 (file)
--- a/palacios/include/palacios/vmm_extensions.h
+++ b/palacios/include/palacios/vmm_extensions.h
@@ -23,24 +23,37 @@
 #ifdef __V3VEE__
 
 #include <palacios/vmm.h>
+#include <palacios/vmm_config.h>
 #include <palacios/vmm_list.h>
-#include <palacios/vm_guest.h>
+
+
+struct v3_vm_info;
+struct guest_info;
+
+struct v3_extensions {
+    struct list_head extensions;
+    struct list_head on_exits;
+    struct list_head on_entries;
+};
+
 
 struct v3_extension_impl {
     char * name;
-    int (*init)(struct v3_vm_info * vm, v3_cfg_tree_t * cfg);
+    int (*init)(struct v3_vm_info * vm, v3_cfg_tree_t * cfg, void ** priv_data);
     int (*deinit)(struct v3_vm_info * vm, void * priv_data);
-    int (*core_init)(struct guest_info * core);
-    int (*core_deinit)(struct guest_info * core);
+    int (*core_init)(struct guest_info * core, void * priv_data);
+    int (*core_deinit)(struct guest_info * core, void * priv_data);
+    int (*on_entry)(struct guest_info * core, void * priv_data);
+    int (*on_exit)(struct guest_info * core, void * priv_data);
 };
 
-
-
 struct v3_extension {
     struct v3_extension_impl * impl;
     void * priv_data;
 
     struct list_head node;
+    struct list_head exit_node;
+    struct list_head entry_node;
 };
 
 
@@ -49,6 +62,12 @@ int V3_init_extensions();
 int V3_deinit_extensions();
 
 
+int v3_init_ext_manager(struct v3_vm_info * vm);
+int v3_add_extension(struct v3_vm_info * vm, const char * name, v3_cfg_tree_t * cfg);
+int v3_init_core_extensions(struct guest_info * core);
+
+void * v3_get_extension_state(struct v3_vm_info * vm, const char * name);
+
 
 #define register_extension(ext)                                        \
     static struct v3_extension_impl * _v3_ext                  \