]> git.saurik.com Git - apple/xnu.git/blobdiff - osfmk/vm/vm_fault.h
xnu-1228.15.4.tar.gz
[apple/xnu.git] / osfmk / vm / vm_fault.h
index 65b60936e5208c0f503d9d10a8eb516b1e8ddd5a..439af254056e88fbd59d8b86c0a26702fad21298 100644 (file)
@@ -1,16 +1,19 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
 #ifndef        _VM_VM_FAULT_H_
 #define _VM_VM_FAULT_H_
 
+#include <mach/mach_types.h>
 #include <mach/kern_return.h>
 #include <mach/boolean.h>
 #include <mach/vm_prot.h>
 #include <mach/vm_param.h>
 #include <mach/vm_behavior.h>
-#include <vm/vm_page.h>
-#include <vm/vm_object.h>
-#include <vm/vm_map.h>
+
+#ifdef KERNEL_PRIVATE
 
 typedef        kern_return_t   vm_fault_return_t;
+
 #define VM_FAULT_SUCCESS               0
 #define VM_FAULT_RETRY                 1
 #define VM_FAULT_INTERRUPTED           2
@@ -78,6 +82,25 @@ typedef      kern_return_t   vm_fault_return_t;
 #define VM_FAULT_FICTITIOUS_SHORTAGE   4
 #define VM_FAULT_MEMORY_ERROR          5
 
+/*
+ *     Page fault handling based on vm_map (or entries therein)
+ */
+
+extern kern_return_t vm_fault(
+               vm_map_t        map,
+               vm_map_offset_t vaddr,
+               vm_prot_t       fault_type,
+               boolean_t       change_wiring,
+               int             interruptible,
+               pmap_t          pmap,
+               vm_map_offset_t pmap_addr);
+
+#ifdef MACH_KERNEL_PRIVATE
+
+#include <vm/vm_page.h>
+#include <vm/vm_object.h>
+#include <vm/vm_map.h>
+
 extern void vm_fault_init(void);
 
 /*
@@ -90,10 +113,6 @@ extern vm_fault_return_t vm_fault_page(
                vm_object_offset_t first_offset,/* Offset into object */
                vm_prot_t       fault_type,     /* What access is requested */
                boolean_t       must_be_resident,/* Must page be resident? */
-               int             interruptible,/* how may fault be interrupted */
-               vm_object_offset_t lo_offset,   /* Map entry start */
-               vm_object_offset_t hi_offset,   /* Map entry end */
-               vm_behavior_t   behavior,       /* Expected paging behavior */
                /* Modifies in place: */
                vm_prot_t       *protection,    /* Protection for mapping */
                /* Returns: */
@@ -106,46 +125,47 @@ extern vm_fault_return_t vm_fault_page(
                kern_return_t   *error_code,    /* code if page is in error */
                boolean_t       no_zero_fill,   /* don't fill absent pages */
                boolean_t       data_supply,    /* treat as data_supply */
-               vm_map_t        map,
-               vm_offset_t     vaddr);
+               vm_object_fault_info_t fault_info);
 
 extern void vm_fault_cleanup(
                vm_object_t     object,
                vm_page_t       top_page);
-/*
- *     Page fault handling based on vm_map (or entries therein)
- */
-
-extern kern_return_t vm_fault(
-               vm_map_t        map,
-               vm_offset_t     vaddr,
-               vm_prot_t       fault_type,
-               boolean_t       change_wiring,
-               int             interruptible,
-               pmap_t          pmap,
-               vm_offset_t     pmap_addr);
 
 extern kern_return_t vm_fault_wire(
                vm_map_t        map,
                vm_map_entry_t  entry,
                pmap_t          pmap,
-               vm_offset_t     pmap_addr);
+               vm_map_offset_t pmap_addr);
 
 extern void vm_fault_unwire(
                vm_map_t        map,
                vm_map_entry_t  entry,
                boolean_t       deallocate,
                pmap_t          pmap,
-               vm_offset_t     pmap_addr);
+               vm_map_offset_t pmap_addr);
 
 extern kern_return_t   vm_fault_copy(
                vm_object_t             src_object,
                vm_object_offset_t      src_offset,
-               vm_size_t               *src_size,      /* INOUT */
+               vm_map_size_t           *copy_size,     /* INOUT */
                vm_object_t             dst_object,
                vm_object_offset_t      dst_offset,
                vm_map_t                dst_map,
                vm_map_version_t         *dst_version,
                int                     interruptible);
 
+extern kern_return_t vm_fault_enter(
+       vm_page_t m,
+       pmap_t pmap,
+       vm_map_offset_t vaddr,
+       vm_prot_t prot,
+       boolean_t wired,
+       boolean_t change_wiring,
+       boolean_t no_cache,
+       int *type_of_fault);
+
+#endif /* MACH_KERNEL_PRIVATE */
+
+#endif /* KERNEL_PRIVATE */
+
 #endif /* _VM_VM_FAULT_H_ */