union {
uint16_t value;
struct {
+ // These reflect the VMM's intent for the shadow or nested pts
+ // that will implement the region. The guest's intent is in
+ // its own page tables.
uint8_t read : 1;
uint8_t write : 1;
uint8_t exec : 1;
uint8_t base : 1;
uint8_t alloced : 1;
+ uint8_t limit32 : 1; // must be < 4GB in host
} __attribute__((packed));
} __attribute__((packed));
} __attribute__((packed)) v3_mem_flags_t;
-struct v3_shadow_region {
+struct v3_mem_region {
addr_t guest_start;
addr_t guest_end;
addr_t host_addr; // This either points to a host address mapping
int (*unhandled)(struct guest_info * info, addr_t guest_va, addr_t guest_pa,
- struct v3_shadow_region * reg, pf_error_t access_info);
+ struct v3_mem_region * reg, pf_error_t access_info);
void * priv_data;
- int core_id;
+ int core_id; // The virtual core this region is assigned to (-1 means all cores)
+ int numa_id; // The NUMA node this region is allocated from
struct rb_node tree_node; // This for memory regions mapped to the global map
};
struct v3_mem_map {
- struct v3_shadow_region base_region;
- struct rb_root shdw_regions;
+ struct rb_root mem_regions;
+
+ uint32_t num_base_regions;
+ struct v3_mem_region * base_regions;
+
};
-struct v3_shadow_region * v3_create_mem_region(struct v3_vm_info * vm, uint16_t core_id,
+struct v3_mem_region * v3_create_mem_region(struct v3_vm_info * vm, uint16_t core_id,
addr_t guest_addr_start, addr_t guest_addr_end);
-int v3_insert_shadow_region(struct v3_vm_info * vm, struct v3_shadow_region * reg);
+int v3_insert_mem_region(struct v3_vm_info * vm, struct v3_mem_region * reg);
-void v3_delete_shadow_region(struct v3_vm_info * vm, struct v3_shadow_region * reg);
+void v3_delete_mem_region(struct v3_vm_info * vm, struct v3_mem_region * reg);
/* This is a shortcut function for creating + inserting a memory region which redirects to host memory */
-struct v3_shadow_region * v3_get_shadow_region(struct v3_vm_info * vm, uint16_t core_id, addr_t guest_addr);
-
-
-addr_t v3_get_shadow_addr(struct v3_shadow_region * reg, uint16_t core_id, addr_t guest_addr);
-
+struct v3_mem_region * v3_get_mem_region(struct v3_vm_info * vm, uint16_t core_id, addr_t guest_addr);
+struct v3_mem_region * v3_get_base_region(struct v3_vm_info * vm, addr_t gpa);
+uint32_t v3_get_max_page_size(struct guest_info * core, addr_t fault_addr, v3_cpu_mode_t mode);
void v3_print_mem_map(struct v3_vm_info * vm);
+void v3_init_mem();
+void v3_deinit_mem();
-
-#endif // ! __V3VEE__
+#endif /* ! __V3VEE__ */
#endif