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.


added initial global shutdown functionality
[palacios.git] / palacios / include / palacios / vmm_shadow_paging.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_SHADOW_PAGING_H__
21 #define __VMM_SHADOW_PAGING_H__
22
23
24 #ifdef __V3VEE__
25
26 #include <palacios/vmm_util.h>
27 #include <palacios/vmm_paging.h>
28 #include <palacios/vmm_hashtable.h>
29 #include <palacios/vmm_list.h>
30 #include <palacios/vmm_msr.h>
31
32 #include <palacios/vmm_config.h>
33
34
35 struct guest_info;
36
37 struct v3_shdw_pg_impl {
38     char * name;
39     int (*init)(struct v3_vm_info * vm, v3_cfg_tree_t * cfg);
40     int (*deinit)(struct v3_vm_info * vm);
41     int (*local_init)(struct guest_info * core);
42     int (*local_deinit)(struct guest_info * core);
43     int (*handle_pagefault)(struct guest_info * core, addr_t fault_addr, pf_error_t error_code);
44     int (*handle_invlpg)(struct guest_info * core, addr_t vaddr);
45     int (*activate_shdw_pt)(struct guest_info * core);
46     int (*invalidate_shdw_pt)(struct guest_info * core);
47 };
48
49
50
51 struct v3_shdw_impl_state {
52     
53     struct v3_shdw_pg_impl * current_impl;
54     void * impl_data;
55 };
56
57 struct v3_shdw_pg_state {
58
59     // virtualized control registers
60     v3_reg_t guest_cr3;
61     v3_reg_t guest_cr0;
62     v3_msr_t guest_efer;
63
64     void * local_impl_data;
65
66 #ifdef CONFIG_SHADOW_PAGING_TELEMETRY
67     uint_t guest_faults;
68 #endif
69
70 };
71
72
73
74
75
76
77 int v3_init_shdw_impl(struct v3_vm_info * vm);
78 int v3_deinit_shdw_impl(struct v3_vm_info * vm);
79
80 int v3_init_shdw_pg_state(struct guest_info * core);
81 int v3_deinit_shdw_pg_state(struct guest_info * core);
82
83
84 /* Handler implementations */
85 int v3_handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
86 int v3_handle_shadow_invlpg(struct guest_info * info);
87
88 /* Actions.. */
89 int v3_activate_shadow_pt(struct guest_info * info);
90 int v3_invalidate_shadow_pts(struct guest_info * info);
91
92
93 /* Utility functions for shadow paging implementations */
94 int v3_inject_guest_pf(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
95 int v3_is_guest_pf(pt_access_status_t guest_access, pt_access_status_t shadow_access);
96
97
98
99
100
101 int V3_init_shdw_paging();
102 int V3_deinit_shdw_paging();
103
104 #define register_shdw_pg_impl(impl)                                     \
105     static struct v3_shdw_pg_impl * _v3_shdw_pg_impl                    \
106     __attribute__((used))                                               \
107         __attribute__((unused, __section__ ("_v3_shdw_pg_impls"),       \
108                        aligned(sizeof(addr_t))))                        \
109         = impl;
110
111
112
113
114 #endif // ! __V3VEE__
115
116 #endif