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>
37 #ifdef V3_CONFIG_SWAPPING
38 #include <palacios/vmm_swapping.h>
44 #define V3_MEM_CORE_ANY ((uint16_t)-1)
52 // These reflect the VMM's intent for the shadow or nested pts
53 // that will implement the region. The guest's intent is in
54 // its own page tables.
60 uint8_t limit32 : 1; // must be < 4GB in host
61 #ifdef V3_CONFIG_SWAPPING
65 } __attribute__((packed));
66 } __attribute__((packed));
67 } __attribute__((packed)) v3_mem_flags_t;
71 struct v3_mem_region {
77 addr_t host_addr; // This either points to a host address mapping
79 int (*unhandled)(struct guest_info * info, addr_t guest_va, addr_t guest_pa,
80 struct v3_mem_region * reg, pf_error_t access_info);
84 int core_id; // The virtual core this region is assigned to (-1 means all cores)
85 int numa_id; // The NUMA node this region is allocated from
87 #ifdef V3_CONFIG_SWAPPING
88 struct v3_swap_region_state swap_state;
91 struct rb_node tree_node; // This for memory regions mapped to the global map
97 struct rb_root mem_regions;
99 uint32_t num_base_regions;
100 struct v3_mem_region * base_regions;
104 int v3_init_mem_map(struct v3_vm_info * vm);
105 void v3_delete_mem_map(struct v3_vm_info * vm);
111 struct v3_mem_region * v3_create_mem_region(struct v3_vm_info * vm, uint16_t core_id,
112 addr_t guest_addr_start, addr_t guest_addr_end);
114 int v3_insert_mem_region(struct v3_vm_info * vm, struct v3_mem_region * reg);
116 void v3_delete_mem_region(struct v3_vm_info * vm, struct v3_mem_region * reg);
119 /* This is a shortcut function for creating + inserting a memory region which redirects to host memory */
120 int v3_add_shadow_mem(struct v3_vm_info * vm, uint16_t core_id,
121 addr_t guest_addr_start, addr_t guest_addr_end, addr_t host_addr);
125 struct v3_mem_region * v3_get_mem_region(struct v3_vm_info * vm, uint16_t core_id, addr_t guest_addr);
126 struct v3_mem_region * v3_get_base_region(struct v3_vm_info * vm, addr_t gpa);
129 uint32_t v3_get_max_page_size(struct guest_info * core, addr_t fault_addr, v3_cpu_mode_t mode);
132 void v3_print_mem_map(struct v3_vm_info * vm);
136 void v3_deinit_mem();
139 #endif /* ! __V3VEE__ */