2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
20 #ifndef __VMM_EXTENSIONS_H__
21 #define __VMM_EXTENSIONS_H__
25 #include <palacios/vmm.h>
26 #include <palacios/vmm_config.h>
27 #include <palacios/vmm_list.h>
33 struct v3_extensions {
34 struct list_head extensions;
35 struct list_head on_exits;
36 struct list_head on_entries;
40 struct v3_extension_impl {
43 int (*vm_init)(struct v3_vm_info * vm, v3_cfg_tree_t * cfg, void ** priv_data);
44 int (*vm_deinit)(struct v3_vm_info * vm, void * priv_data);
45 int (*core_init)(struct guest_info * core, void * priv_data, void ** core_data);
46 int (*core_deinit)(struct guest_info * core, void * priv_data, void * core_data);
47 int (*on_entry)(struct guest_info * core, void * priv_data);
48 int (*on_exit)(struct guest_info * core, void * priv_data);
52 struct v3_extension_impl * impl;
55 struct list_head node;
56 struct list_head exit_node;
57 struct list_head entry_node;
59 // KCH: has to be last entry in this struct
60 void * core_ext_priv_data[0];
65 int V3_init_extensions();
66 int V3_deinit_extensions();
69 int v3_init_ext_manager(struct v3_vm_info * vm);
70 int v3_deinit_ext_manager(struct v3_vm_info * vm);
71 int v3_add_extension(struct v3_vm_info * vm, const char * name, v3_cfg_tree_t * cfg);
72 int v3_init_core_extensions(struct guest_info * core);
73 int v3_deinit_core_extensions(struct guest_info * core);
75 void * v3_get_extension_state(struct v3_vm_info * vm, const char * name);
76 void * v3_get_ext_core_state (struct guest_info * core, const char * name);
79 #define register_extension(ext) \
80 static struct v3_extension_impl * _v3_ext \
81 __attribute__((used)) \
82 __attribute__((unused, __section__("_v3_extensions"), \
83 aligned(sizeof(addr_t)))) \