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.


small fixes
[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
30
31 struct shadow_page_state {
32
33   // virtualized control registers
34   v3_reg_t guest_cr3;
35   v3_reg_t guest_cr0;
36
37
38
39
40   // Page table struct lookup table
41   struct hashtable * pt_cache;
42
43   // Guest CR3 to Shadow CR3 Lookup Table
44   struct hashtable *  cr3_cache;
45
46   /* SOON TO BE DEPRECATED */
47   // Hash table that contains a mapping of guest pte addresses to host pte addresses
48   struct hashtable *  cached_ptes;
49   addr_t cached_cr3;
50
51 };
52
53
54
55 struct guest_info;
56
57
58
59
60
61 int v3_init_shadow_page_state(struct guest_info * info);
62
63
64
65 int v3_handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
66 int v3_handle_shadow_invlpg(struct guest_info * info);
67
68
69 int v3_activate_shadow_pt(struct guest_info * info);
70 int v3_activate_passthrough_pt(struct guest_info * info);
71
72 /* TODO: Change to static functions
73  * External visibility not needed
74  */
75 addr_t v3_create_new_shadow_pt();
76 int v3_replace_shdw_page32(struct guest_info * info, addr_t location, pte32_t * new_page, pte32_t * old_page); 
77 /* *** */
78
79
80 int v3_replace_shdw_page(struct guest_info * info, addr_t location, void * new_page, void * old_page);
81
82 #endif // ! __V3VEE__
83
84 #endif