1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/******************************************************************************
* include/asm-x86/shadow_public.h
*
* Copyright (c) 2005 Michael A Fetterman
* Based on an earlier implementation by Ian Pratt et al
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _XEN_SHADOW_PUBLIC_H
#define _XEN_SHADOW_PUBLIC_H
#if CONFIG_PAGING_LEVELS >= 3
#define MFN_PINNED(_x) (mfn_to_page(_x)->u.inuse.type_info & PGT_pinned)
extern void shadow_sync_and_drop_references(
struct domain *d, struct page_info *page);
extern void shadow_drop_references(
struct domain *d, struct page_info *page);
extern int shadow_set_guest_paging_levels(struct domain *d, int levels);
extern void release_out_of_sync_entry(
struct domain *d, struct out_of_sync_entry *entry);
struct shadow_ops {
unsigned long guest_paging_levels; /* guest paging levels */
void (*invlpg)(struct vcpu *v, unsigned long va);
int (*fault)(unsigned long va, struct cpu_user_regs *regs);
void (*update_pagetables)(struct vcpu *v);
void (*sync_all)(struct domain *d);
int (*remove_all_write_access)(struct domain *d,
unsigned long readonly_gpfn, unsigned long readonly_gmfn);
int (*do_update_va_mapping)(unsigned long va, l1_pgentry_t val, struct vcpu *v);
struct out_of_sync_entry *
(*mark_mfn_out_of_sync)(struct vcpu *v, unsigned long gpfn,
unsigned long mfn);
int (*is_out_of_sync)(struct vcpu *v, unsigned long va);
unsigned long (*gva_to_gpa)(unsigned long gva);
};
#endif
#if CONFIG_PAGING_LEVELS >= 4
extern void shadow_l4_normal_pt_update(struct domain *d,
unsigned long pa, l4_pgentry_t l4e,
struct domain_mmap_cache *cache);
#endif
#endif
|
