Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


Have unregistered hypercalls fail to guest
[palacios.git] / palacios / include / palacios / vmm_extensions.h
1 /*
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.  
5  *
6  * The V3VEE Project is a joint project between Northwestern University
7  * and the University of New Mexico.  You can find out more at 
8  * http://www.v3vee.org
9  *
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.
13  *
14  * Author: Jack Lange <jarusl@cs.northwestern.edu>
15  *
16  * This is free software.  You are permitted to use,
17  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
18  */
19
20 #ifndef __VMM_EXTENSIONS_H__
21 #define __VMM_EXTENSIONS_H__
22
23 #ifdef __V3VEE__
24
25 #include <palacios/vmm.h>
26 #include <palacios/vmm_config.h>
27 #include <palacios/vmm_list.h>
28
29
30 struct v3_vm_info;
31 struct guest_info;
32
33 struct v3_extensions {
34     struct list_head extensions;
35     struct list_head on_exits;
36     struct list_head on_entries;
37 };
38
39
40 struct v3_extension_impl {
41     char * name;
42     int (*init)();
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);
49 };
50
51 struct v3_extension {
52     struct v3_extension_impl * impl;
53     void * priv_data;
54
55     struct list_head node;
56     struct list_head exit_node;
57     struct list_head entry_node;
58
59     // KCH: has to be last entry in this struct
60     void * core_ext_priv_data[0];
61 };
62
63
64
65 int V3_init_extensions();
66 int V3_deinit_extensions();
67
68
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);
74
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);
77
78
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))))                \
84         = ext;
85
86
87
88 #endif
89
90 #endif