add cleanup for Palacios extensions, add per-core data to extensions

[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 fdddb69..a7c1718 100644 (file)
--- a/palacios/include/palacios/vmm_extensions.h
+++ b/palacios/include/palacios/vmm_extensions.h
@@ -41,8 +41,8 @@ struct v3_extension_impl {
     char * name;
     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, void * priv_data);
-    int (*core_deinit)(struct guest_info * core, void * priv_data);
+    int (*core_init)(struct guest_info * core, void * priv_data, void ** core_data);
+    int (*core_deinit)(struct guest_info * core, void * priv_data, void * core_data);
     int (*on_entry)(struct guest_info * core, void * priv_data);
     int (*on_exit)(struct guest_info * core, void * priv_data);
 };
@@ -54,6 +54,9 @@ struct v3_extension {
     struct list_head node;
     struct list_head exit_node;
     struct list_head entry_node;
+
+    // KCH: has to be last entry in this struct
+    void * core_ext_priv_data[0];
 };
 
 
@@ -63,10 +66,13 @@ int V3_deinit_extensions();
 
 
 int v3_init_ext_manager(struct v3_vm_info * vm);
+int v3_deinit_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);
+int v3_deinit_core_extensions(struct guest_info * core);
 
 void * v3_get_extension_state(struct v3_vm_info * vm, const char * name);
+void * v3_get_ext_core_state (struct guest_info * core, const char * name);
 
 
 #define register_extension(ext)                                        \