X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_mem.h;h=69743446b51e80d92af820ca6773b1fcda01f71a;hb=5ed7ab7d688c249301404ced123d6d8ee1b0711a;hp=3408525e0d328e9fb88ce52cd91b13eee3df5e0e;hpb=9b4bfeefac09294a6f0ae12dbadf102eb547f5ec;p=palacios.git

diff --git a/palacios/include/palacios/vmm_mem.h b/palacios/include/palacios/vmm_mem.h
index 3408525..6974344 100644
--- a/palacios/include/palacios/vmm_mem.h
+++ b/palacios/include/palacios/vmm_mem.h
@@ -29,102 +29,93 @@
 
 #include <palacios/vmm_paging.h>
 #include <palacios/vmm_rbtree.h>
-
+#include <palacios/vmm_list.h>
 
 struct guest_info;
+struct v3_vm_info;
+
 
 
+#define V3_MEM_CORE_ANY ((uint16_t)-1)
 
-// 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
-} v3_shdw_region_type_t;
 
 
-typedef struct v3_shdw_map {
-    addr_t hook_hva;
+typedef struct {
+    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;
+	} __attribute__((packed));
+    } __attribute__((packed));
+} __attribute__((packed)) v3_mem_flags_t;
 
-    struct rb_root shdw_regions;
-} v3_shdw_map_t;
 
 
-struct v3_shadow_region {
+struct v3_mem_region {
     addr_t                  guest_start; 
     addr_t                  guest_end; 
 
-    v3_shdw_region_type_t   host_type;
-  
-    addr_t                  host_addr; // This either points to a host address mapping
+    v3_mem_flags_t          flags;
 
+    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);
+    int (*unhandled)(struct guest_info * info, addr_t guest_va, addr_t guest_pa, 
+		     struct v3_mem_region * reg, pf_error_t access_info);
 
     void * priv_data;
 
-    struct rb_node tree_node;
-};
-
+    int core_id;
 
+    struct rb_node tree_node; // This for memory regions mapped to the global map
+};
 
-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_hook_full_mem(struct guest_info * info, 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 (*write)(addr_t guest_addr, void * src, uint_t length, void * priv_data),
-		      void * priv_data);
 
+struct v3_mem_map {
+    struct v3_mem_region base_region;
 
+    struct rb_root mem_regions;
+};
 
 
+int v3_init_mem_map(struct v3_vm_info * vm);
+void v3_delete_mem_map(struct v3_vm_info * vm);
 
 
-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_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_mem_region(struct v3_vm_info * vm, struct v3_mem_region * reg);
 
+void v3_delete_mem_region(struct v3_vm_info * vm, struct v3_mem_region * reg);
 
 
-void print_shadow_map(struct guest_info * info);
+/* This is a shortcut function for creating + inserting a memory region which redirects to host memory */
+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);
 
 
 
+struct v3_mem_region * v3_get_mem_region(struct v3_vm_info * vm, uint16_t core_id, addr_t guest_addr);
 
 
-const uchar_t * v3_shdw_region_type_to_str(v3_shdw_region_type_t type);
+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);
 
-int handle_special_page_fault(struct guest_info * info, addr_t fault_addr, addr_t gp_addr, pf_error_t access_info);
 
-int v3_handle_mem_wr_hook(struct guest_info * info, addr_t guest_va, addr_t guest_pa, 
-			  struct v3_shadow_region * reg, pf_error_t access_info);
-int v3_handle_mem_full_hook(struct guest_info * info, addr_t guest_va, addr_t guest_pa, 
-			    struct v3_shadow_region * reg, pf_error_t access_info);
 
-#endif // ! __V3VEE__
+#endif /* ! __V3VEE__ */
 
 
 #endif