xnu-2782.20.48.tar.gz

[apple/xnu.git] / osfmk / vm / vm_shared_region.h

diff --git a/osfmk/vm/vm_shared_region.h b/osfmk/vm/vm_shared_region.h
index 51742f0b0053e900c6ff8f5245979331bf49ae80..9cc2b394ca0ceaaab4927e3faf4139b710cec6f5 100644 (file)
--- a/osfmk/vm/vm_shared_region.h
+++ b/osfmk/vm/vm_shared_region.h
@@ -43,7 +43,6 @@
 
 extern int shared_region_version;
 extern int shared_region_persistence;
-extern boolean_t shared_region_completed_slide;
 
 #if DEBUG
 extern int shared_region_debug;
@@ -93,24 +92,6 @@ typedef struct vm_shared_region *vm_shared_region_t;
 #include <vm/vm_object.h>
 #include <vm/memory_object.h>
 
-/* address space shared region descriptor */
-struct vm_shared_region {
-       uint32_t                sr_ref_count;
-       queue_chain_t           sr_q;
-       void                    *sr_root_dir;
-       cpu_type_t              sr_cpu_type;
-       boolean_t               sr_64bit;
-       boolean_t               sr_mapping_in_progress;
-       boolean_t               sr_persists;
-       ipc_port_t              sr_mem_entry;
-       mach_vm_offset_t        sr_first_mapping;
-       mach_vm_offset_t        sr_base_address;
-       mach_vm_size_t          sr_size;
-       mach_vm_offset_t        sr_pmap_nesting_start;
-       mach_vm_size_t          sr_pmap_nesting_size;
-       thread_call_t           sr_timer_call;
-};
-
 typedef struct vm_shared_region_slide_info_entry       *vm_shared_region_slide_info_entry_t;
 struct vm_shared_region_slide_info_entry {
        uint32_t        version;
@@ -121,13 +102,13 @@ struct vm_shared_region_slide_info_entry {
 };
 
 #define NBBY   8
-#define        NUM_SLIDING_BITMAPS_PER_PAGE    (PAGE_SIZE/sizeof(int)/NBBY) /*128*/
+#define        NUM_SLIDING_BITMAPS_PER_PAGE    (0x1000/sizeof(int)/NBBY) /*128*/
 typedef struct slide_info_entry_toc    *slide_info_entry_toc_t;
 struct slide_info_entry_toc { 
        uint8_t entry[NUM_SLIDING_BITMAPS_PER_PAGE];
 };
 
-typedef struct vm_shared_region_slide_info vm_shared_region_slide_info_t;
+typedef struct vm_shared_region_slide_info *vm_shared_region_slide_info_t;
 struct vm_shared_region_slide_info {
        mach_vm_offset_t        start;
        mach_vm_offset_t        end;
@@ -135,11 +116,33 @@ struct vm_shared_region_slide_info {
        vm_object_t             slide_object;
        mach_vm_size_t          slide_info_size;
        vm_shared_region_slide_info_entry_t     slide_info_entry;
-       vm_shared_region_t      sr;
 };
 
-extern struct vm_shared_region_slide_info      slide_info;
+/* address space shared region descriptor */
+struct vm_shared_region {
+       uint32_t                sr_ref_count;
+       queue_chain_t           sr_q;
+       void                    *sr_root_dir;
+       cpu_type_t              sr_cpu_type;
+       boolean_t               sr_64bit;
+       boolean_t               sr_mapping_in_progress;
+       boolean_t               sr_slide_in_progress;
+       boolean_t               sr_persists;
+       boolean_t               sr_slid;
+       ipc_port_t              sr_mem_entry;
+       mach_vm_offset_t        sr_first_mapping;
+       mach_vm_offset_t        sr_base_address;
+       mach_vm_size_t          sr_size;
+       mach_vm_offset_t        sr_pmap_nesting_start;
+       mach_vm_size_t          sr_pmap_nesting_size;
+       thread_call_t           sr_timer_call;
+       struct vm_shared_region_slide_info sr_slide_info;
+};
 
+extern kern_return_t vm_shared_region_slide_page(vm_shared_region_slide_info_t si,
+       vm_offset_t     vaddr, 
+       uint32_t pageIndex);
+extern vm_shared_region_slide_info_t vm_shared_region_get_slide_info(vm_shared_region_t sr);
 #else  /* !MACH_KERNEL_PRIVATE */
 
 struct vm_shared_region;
@@ -168,6 +171,8 @@ extern mach_vm_size_t vm_shared_region_size(
        struct vm_shared_region *shared_region);
 extern ipc_port_t vm_shared_region_mem_entry(
        struct vm_shared_region *shared_region);
+extern uint32_t vm_shared_region_get_slide(
+       vm_shared_region_t      shared_region);
 extern void vm_shared_region_set(
        struct task             *task,
        struct vm_shared_region *new_shared_region);
@@ -190,26 +195,32 @@ extern kern_return_t vm_shared_region_map_file(
        memory_object_control_t file_control,
        memory_object_size_t    file_size,
        void                    *root_dir,
-       struct shared_file_mapping_np *mapping_to_slide);
+       uint32_t                slide,
+       user_addr_t             slide_start,
+       user_addr_t             slide_size);
 extern kern_return_t vm_shared_region_sliding_valid(uint32_t slide);
-extern kern_return_t vm_shared_region_slide_sanity_check(void);
-extern kern_return_t vm_shared_region_slide_init(mach_vm_size_t slide_info_size,
+extern kern_return_t vm_shared_region_slide_sanity_check(vm_shared_region_t sr);
+extern kern_return_t vm_shared_region_slide_init(vm_shared_region_t sr,
+               mach_vm_size_t slide_info_size,
                mach_vm_offset_t start,
                mach_vm_size_t size,
                uint32_t slide,
                memory_object_control_t);
-extern void* vm_shared_region_get_slide_info(void);
-extern void* vm_shared_region_get_slide_info_entry(void);
-extern kern_return_t vm_shared_region_slide(
-       vm_offset_t     vaddr, 
-       uint32_t pageIndex);
+extern void* vm_shared_region_get_slide_info_entry(vm_shared_region_t sr);
 extern void vm_commpage_init(void);
+extern void vm_commpage_text_init(void);
 extern kern_return_t vm_commpage_enter(
        struct _vm_map          *map,
        struct task             *task);
 extern kern_return_t vm_commpage_remove(
        struct _vm_map          *map,
        struct task             *task);
+int vm_shared_region_slide(uint32_t, 
+       mach_vm_offset_t, 
+       mach_vm_size_t, 
+       mach_vm_offset_t, 
+       mach_vm_size_t, 
+       memory_object_control_t);
 
 #endif /* KERNEL_PRIVATE */