#include <palacios/vmm_paging.h>
#include <palacios/vmm_rbtree.h>
-
+#include <palacios/vmm_list.h>
struct guest_info;
+struct v3_vm_info;
// These are the types of physical memory address regions
// from the perspective of the HOST
typedef enum shdw_region_type {
- SHDW_REGION_INVALID, // This region is INVALID (this is a return type to denote errors)
- SHDW_REGION_WRITE_HOOK, // This region is mapped as read-only (page faults on write)
- SHDW_REGION_FULL_HOOK, // This region is mapped as not present (always generate page faults)
- SHDW_REGION_ALLOCATED, // Region is a section of host memory
+ SHDW_REGION_WRITE_HOOK, // This region is mapped as read-only (page faults on write)
+ SHDW_REGION_FULL_HOOK, // This region is mapped as not present (always generate page faults)
+ SHDW_REGION_ALLOCATED, // Region is a section of host memory
} v3_shdw_region_type_t;
-
-typedef struct v3_shdw_map {
- addr_t hook_hva;
-
- struct rb_root shdw_regions;
-} v3_shdw_map_t;
+#define V3_MEM_CORE_ANY ((uint16_t)-1)
struct v3_shadow_region {
- addr_t guest_start;
- addr_t guest_end;
+ addr_t guest_start;
+ addr_t guest_end;
- v3_shdw_region_type_t host_type;
+ v3_shdw_region_type_t host_type;
- addr_t host_addr; // This either points to a host address mapping
+ addr_t host_addr; // This either points to a host address mapping
+
+ // Called when data is read from a memory page
+ int (*read_hook)(addr_t guest_addr, void * dst, uint_t length, void * priv_data);
+ // Called when data is written to a memory page
+ int (*write_hook)(addr_t guest_addr, void * src, uint_t length, void * priv_data);
+
+ void * priv_data;
+
+ int core_id;
+
+ struct rb_node tree_node; // This for memory regions mapped to the global map
+};
- // Called when data is read from a memory page
- int (*read_hook)(addr_t guest_addr, void * dst, uint_t length, void * priv_data);
- // Called when data is written to a memory page
- int (*write_hook)(addr_t guest_addr, void * src, uint_t length, void * priv_data);
+struct v3_mem_map {
+ struct v3_shadow_region base_region;
- void * priv_data;
+ struct rb_root shdw_regions;
- struct rb_node tree_node;
+ void * hook_hvas; // this is an array of pages, equal to the number of cores
};
+int v3_init_mem_map(struct v3_vm_info * vm);
+void v3_delete_mem_map(struct v3_vm_info * vm);
+
-void v3_init_shadow_map(struct guest_info * info);
-void v3_delete_shadow_map(struct guest_info * info);
-int v3_add_shadow_mem(struct guest_info * guest_info,
- addr_t guest_addr_start,
- addr_t guest_addr_end,
- addr_t host_addr);
+int v3_add_shadow_mem(struct v3_vm_info * vm, uint16_t core_id,
+ addr_t guest_addr_start, addr_t guest_addr_end, addr_t host_addr);
-int v3_hook_full_mem(struct guest_info * info, addr_t guest_addr_start, addr_t guest_addr_end,
+int v3_hook_full_mem(struct v3_vm_info * vm, uint16_t core_id,
+ addr_t guest_addr_start, addr_t guest_addr_end,
int (*read)(addr_t guest_addr, void * dst, uint_t length, void * priv_data),
int (*write)(addr_t guest_addr, void * src, uint_t length, void * priv_data),
void * priv_data);
-int v3_hook_write_mem(struct guest_info * info, addr_t guest_addr_start, addr_t guest_addr_end,
- addr_t host_addr,
+int v3_hook_write_mem(struct v3_vm_info * vm, uint16_t core_id,
+ addr_t guest_addr_start, addr_t guest_addr_end, addr_t host_addr,
int (*write)(addr_t guest_addr, void * src, uint_t length, void * priv_data),
void * priv_data);
+int v3_unhook_mem(struct v3_vm_info * vm, uint16_t core_id, addr_t guest_addr_start);
+
+
+
+void v3_delete_shadow_region(struct v3_vm_info * vm, struct v3_shadow_region * reg);
-void v3_delete_shadow_region(struct guest_info * info, struct v3_shadow_region * reg);
-struct v3_shadow_region * v3_get_shadow_region(struct guest_info * info, addr_t guest_addr);
-addr_t v3_get_shadow_addr(struct v3_shadow_region * reg, addr_t guest_addr);
+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);
-void print_shadow_map(struct guest_info * info);
+void v3_print_mem_map(struct v3_vm_info * vm);