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_SHADOW_PAGING_H__
21 #define __VMM_SHADOW_PAGING_H__
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>
32 #include <palacios/vmm_config.h>
37 struct v3_shdw_pg_impl {
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 (*handle_pagefault)(struct guest_info * core, addr_t fault_addr, pf_error_t error_code);
43 int (*handle_invlpg)(struct guest_info * core, addr_t vaddr);
44 int (*activate_shdw_pt)(struct guest_info * core);
45 int (*invalidate_shdw_pt)(struct guest_info * core);
50 struct v3_shdw_impl_state {
52 struct v3_shdw_pg_impl * current_impl;
56 struct v3_shdw_pg_state {
58 // virtualized control registers
63 void * local_impl_data;
65 #ifdef CONFIG_SHADOW_PAGING_TELEMETRY
76 int v3_init_shdw_impl(struct v3_vm_info * vm);
77 int v3_init_shdw_pg_state(struct guest_info * info);
80 /* Handler implementations */
81 int v3_handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
82 int v3_handle_shadow_invlpg(struct guest_info * info);
85 int v3_activate_shadow_pt(struct guest_info * info);
86 int v3_invalidate_shadow_pts(struct guest_info * info);
89 /* Utility functions for shadow paging implementations */
90 int v3_inject_guest_pf(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
91 int v3_is_guest_pf(pt_access_status_t guest_access, pt_access_status_t shadow_access);
97 int V3_init_shdw_paging();
99 #define register_shdw_pg_impl(impl) \
100 static struct v3_shdw_pg_impl * _v3_shdw_pg_impl \
101 __attribute__((used)) \
102 __attribute__((unused, __section__ ("_v3_shdw_pg_impls"), \
103 aligned(sizeof(addr_t)))) \
109 #endif // ! __V3VEE__