-/* Northwestern University */
-/* (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> */
-
-#ifndef __VMM_SHADOW_PAGING_H
-#define __VMM_SHADOW_PAGING_H
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National
+ * Science Foundation and the Department of Energy.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#ifndef __VMM_SHADOW_PAGING_H__
+#define __VMM_SHADOW_PAGING_H__
#ifdef __V3VEE__
#include <palacios/vmm_util.h>
#include <palacios/vmm_paging.h>
#include <palacios/vmm_hashtable.h>
+#include <palacios/vmm_list.h>
+#include <palacios/vmm_msr.h>
-struct shadow_page_state {
- // these two reflect the top-level page directory
- // of the guest page table
- paging_mode_t guest_mode;
- ullong_t guest_cr3; // points to guest's current page table
+struct shadow_page_state {
- // Should this be here??
- ullong_t guest_cr0;
+ // virtualized control registers
+ v3_reg_t guest_cr3;
+ v3_reg_t guest_cr0;
+ v3_msr_t guest_efer;
- // these two reflect the top-level page directory
- // of the shadow page table
- paging_mode_t shadow_mode;
- ullong_t shadow_cr3;
+ // list of allocated shadow pages
+ struct list_head page_list;
- // Hash table that ties a CR3 value to a hash table pointer for the PT entries
- struct hashtable * cr3_cache;
- // Hash table that contains a mapping of guest pte addresses to host pte addresses
- struct hashtable * cached_ptes;
- addr_t cached_cr3;
+#ifdef CONFIG_SHADOW_PAGING_TELEMETRY
+ uint_t guest_faults;
+#endif
};
struct guest_info;
+int v3_init_shadow_page_state(struct guest_info * info);
-int cache_page_tables32(struct guest_info * info, addr_t pde);
-
-int init_shadow_page_state(struct guest_info * info);
-
-addr_t create_new_shadow_pt32();
-
-int handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
-int handle_shadow_invlpg(struct guest_info * info);
+int v3_handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
+int v3_handle_shadow_invlpg(struct guest_info * info);
+int v3_activate_shadow_pt(struct guest_info * info);
+int v3_invalidate_shadow_pts(struct guest_info * info);
-int v3_replace_shdw_page(struct guest_info * info, addr_t location, void * new_page, void* old_page);
-int v3_replace_shdw_page32(struct guest_info * info, addr_t location, pte32_t * new_page, pte32_t * old_page);
#endif // ! __V3VEE__