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".
28 #include <palacios/vmm_types.h>
30 #include <palacios/vmm_paging.h>
31 #include <palacios/vmm_rbtree.h>
32 #include <palacios/vmm_list.h>
39 #define V3_MEM_CORE_ANY ((uint16_t)-1)
53 } __attribute__((packed));
54 } __attribute__((packed));
55 } __attribute__((packed)) v3_mem_flags_t;
59 struct v3_shadow_region {
65 addr_t host_addr; // This either points to a host address mapping
67 // Called when data is read from a memory page
68 int (*read_hook)(struct guest_info * core, addr_t guest_addr, void * dst, uint_t length, void * priv_data);
69 // Called when data is written to a memory page
70 int (*write_hook)(struct guest_info * core, addr_t guest_addr, void * src, uint_t length, void * priv_data);
76 struct rb_node tree_node; // This for memory regions mapped to the global map
81 struct v3_shadow_region base_region;
83 struct rb_root shdw_regions;
85 void * hook_hvas; // this is an array of pages, equal to the number of cores
89 int v3_init_mem_map(struct v3_vm_info * vm);
90 void v3_delete_mem_map(struct v3_vm_info * vm);
95 int v3_add_shadow_mem(struct v3_vm_info * vm, uint16_t core_id,
96 addr_t guest_addr_start, addr_t guest_addr_end, addr_t host_addr);
98 int v3_hook_full_mem(struct v3_vm_info * vm, uint16_t core_id,
99 addr_t guest_addr_start, addr_t guest_addr_end,
100 int (*read)(struct guest_info * core, addr_t guest_addr, void * dst, uint_t length, void * priv_data),
101 int (*write)(struct guest_info * core, addr_t guest_addr, void * src, uint_t length, void * priv_data),
104 int v3_hook_write_mem(struct v3_vm_info * vm, uint16_t core_id,
105 addr_t guest_addr_start, addr_t guest_addr_end, addr_t host_addr,
106 int (*write)(struct guest_info * core, addr_t guest_addr, void * src, uint_t length, void * priv_data),
110 int v3_unhook_mem(struct v3_vm_info * vm, uint16_t core_id, addr_t guest_addr_start);
116 void v3_delete_shadow_region(struct v3_vm_info * vm, struct v3_shadow_region * reg);
121 struct v3_shadow_region * v3_get_shadow_region(struct v3_vm_info * vm, uint16_t core_id, addr_t guest_addr);
124 addr_t v3_get_shadow_addr(struct v3_shadow_region * reg, uint16_t core_id, addr_t guest_addr);
130 void v3_print_mem_map(struct v3_vm_info * vm);
134 int v3_handle_mem_hook(struct guest_info * info, addr_t guest_va, addr_t guest_pa,
135 struct v3_shadow_region * reg, pf_error_t access_info);
138 #endif // ! __V3VEE__