xnu-4903.231.4.tar.gz

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

diff --git a/osfmk/vm/vm_protos.h b/osfmk/vm/vm_protos.h
index 8044286f5838eb7bf4b494a36142209d33258521..cf4ad88ce994d854d054b4ec659bf942cbd55c3d 100644 (file)
--- a/osfmk/vm/vm_protos.h
+++ b/osfmk/vm/vm_protos.h
@@ -173,6 +173,19 @@ extern memory_object_t apple_protect_pager_setup(
        vm_object_offset_t      crypto_end);
 #endif /* CONFIG_CODE_DECRYPTION */
 
+struct vm_shared_region_slide_info;
+extern kern_return_t vm_map_shared_region(
+       vm_map_t                map,
+       vm_map_offset_t         start,
+       vm_map_offset_t         end,
+       vm_object_offset_t      backing_offset,
+       struct vm_shared_region_slide_info *slide_info);
+extern void shared_region_pager_bootstrap(void);
+extern memory_object_t shared_region_pager_setup(
+       vm_object_t             backing_object,
+       vm_object_offset_t      backing_offset,
+       struct vm_shared_region_slide_info *slide_info);
+
 struct vnode;
 extern void swapfile_pager_bootstrap(void);
 extern memory_object_t swapfile_pager_setup(struct vnode *vp);
@@ -218,6 +231,11 @@ extern void *upl_get_internal_page_list(
 extern void vnode_setswapmount(struct vnode *);
 extern int64_t vnode_getswappin_avail(struct vnode *);
 
+extern void vnode_pager_was_dirtied(
+        struct vnode *,
+       vm_object_offset_t,
+       vm_object_offset_t);
+
 typedef int pager_return_t;
 extern pager_return_t  vnode_pagein(
        struct vnode *, upl_t,
@@ -294,6 +312,10 @@ extern kern_return_t vnode_pager_get_object_devvp(
         uintptr_t *);
 #endif
 
+extern void vnode_pager_dirtied(
+       memory_object_t,
+       vm_object_offset_t,
+       vm_object_offset_t);
 extern kern_return_t vnode_pager_get_isinuse(
        memory_object_t,
        uint32_t *);
@@ -462,12 +484,26 @@ extern boolean_t cs_validate_range(struct vnode *vp,
                                   const void *data,
                                   vm_size_t size,
                                   unsigned *result);
+#if PMAP_CS
+extern kern_return_t cs_associate_blob_with_mapping(
+       void *pmap,
+       vm_map_offset_t start,
+       vm_map_size_t size,
+       vm_object_offset_t offset,
+       void *blobs_p);
+#endif /* PMAP_CS */
 
 extern kern_return_t memory_entry_purgeable_control_internal(
        ipc_port_t      entry_port,
        vm_purgable_t   control,
        int             *state);
 
+extern kern_return_t memory_entry_access_tracking_internal(
+       ipc_port_t      entry_port,
+       int             *access_tracking,
+       uint32_t        *access_tracking_reads,
+       uint32_t        *access_tracking_writes);
+
 extern kern_return_t mach_memory_entry_purgable_control(
        ipc_port_t      entry_port,
        vm_purgable_t   control,
@@ -531,6 +567,11 @@ extern int proc_get_memstat_priority(struct proc*, boolean_t);
 /* returns TRUE if an object was purged, otherwise FALSE. */
 boolean_t vm_purgeable_object_purge_one_unlocked(int force_purge_below_group);
 void vm_purgeable_disown(task_t task);
+void vm_purgeable_nonvolatile_owner_update(task_t      owner,
+                                          int          delta);
+void vm_purgeable_volatile_owner_update(task_t         owner,
+                                       int             delta);
+
 
 struct trim_list {
        uint64_t        tl_offset;
@@ -597,10 +638,23 @@ extern kern_return_t mach_make_memory_entry_internal(
        ipc_port_t              *object_handle,
        ipc_port_t              parent_handle);
 
+#define        roundup(x, y)   ((((x) % (y)) == 0) ? \
+                       (x) : ((x) + ((y) - ((x) % (y)))))
+
 #ifdef __cplusplus
 }
 #endif
 
+/*
+ * Flags for the VM swapper/reclaimer.
+ * Used by vm_swap_consider_defragment()
+ * to force defrag/reclaim by the swap
+ * GC thread.
+ */
+#define VM_SWAP_FLAGS_NONE             0
+#define VM_SWAP_FLAGS_FORCE_DEFRAG     1
+#define VM_SWAP_FLAGS_FORCE_RECLAIM    2
+
 #endif /* _VM_VM_PROTOS_H_ */
 
 #endif /* XNU_KERNEL_PRIVATE */