xnu-3789.51.2.tar.gz

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

diff --git a/osfmk/vm/vm_external.h b/osfmk/vm/vm_external.h
index f7d8daf0ca264d9e9c76b787b68b1c2642c082ca..eb7d71692d70693995810b73a38b41ff9d529238 100644 (file)
--- a/osfmk/vm/vm_external.h
+++ b/osfmk/vm/vm_external.h
@@ -1,16 +1,19 @@
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
 /*
  * Copyright (c) 2000 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
  * 
  * 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
  * 
  * 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.
  * 
  * 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@
  */
 /*
  * @OSF_COPYRIGHT@


@@ -57,19 +60,9 @@
 #define VM_VM_EXTERNAL_H_
 
 #include <mach/boolean.h>
 #define VM_VM_EXTERNAL_H_
 
 #include <mach/boolean.h>

+#include <mach/vm_types.h>

 #include <mach/machine/vm_types.h>
 
 #include <mach/machine/vm_types.h>
 

-/*
- *     External page management hint technology
- *
- *     The data structure exported by this module maintains
- *     a (potentially incomplete) map of the pages written
- *     to external storage for a range of virtual memory.
- */
-
-typedef char   *vm_external_map_t;
-#define        VM_EXTERNAL_NULL        ((char *) 0)
-

 /*
  *     The states that may be recorded for a page of external storage.
  */
 /*
  *     The states that may be recorded for a page of external storage.
  */


@@ -79,64 +72,4 @@ typedef int  vm_external_state_t;
 #define        VM_EXTERNAL_STATE_UNKNOWN               2
 #define        VM_EXTERNAL_STATE_ABSENT                3
 
 #define        VM_EXTERNAL_STATE_UNKNOWN               2
 #define        VM_EXTERNAL_STATE_ABSENT                3
 

-/*
- * Useful macros
- */
-#define stob(s)        ((atop((s)) + 07) >> 3)
-
-/*
- *     Routines exported by this module.
- */
-                                       /* Initialize the module */
-extern void                    vm_external_module_initialize(void);
-
-
-extern vm_external_map_t       vm_external_create(
-                                       /* Create a vm_external_map_t */
-                                       vm_offset_t             size);
-
-extern void                    vm_external_destroy(
-                                       /* Destroy one */
-                                       vm_external_map_t       map,
-                                       vm_size_t               size);
-
-extern vm_size_t               vm_external_map_size(
-                                       /* Return size of map in bytes */
-                                       vm_offset_t     size);
-
-extern void                    vm_external_copy(
-                                       /* Copy one into another */
-                                       vm_external_map_t       old_map,
-                                       vm_size_t               old_size,
-                                       vm_external_map_t       new_map);
-
-extern void                    vm_external_state_set(  
-                                       /* Set state of a page to
-                                        * VM_EXTERNAL_STATE_EXISTS */
-                                       vm_external_map_t       map,
-                                       vm_offset_t             offset);
-
-extern void                    vm_external_state_clr(  
-                                       /* clear page state
-                                        */
-                                       vm_external_map_t       map,
-                                       vm_offset_t             offset);
-
-#define        vm_external_state_get(map, offset)                              \
-                       (((map) != VM_EXTERNAL_NULL) ?                  \
-                         _vm_external_state_get((map), (offset)) :     \
-                         VM_EXTERNAL_STATE_UNKNOWN)
-                                       /* Retrieve the state for a
-                                        * given page, if known.  */
-
-extern vm_external_state_t     _vm_external_state_get(
-                                       /* HIDDEN routine */
-                                       vm_external_map_t       map,
-                                       vm_offset_t             offset);
-
-boolean_t                      vm_external_within(
-                                       /* Check if new object size
-                                        * fits in current map */
-                                       vm_size_t       new_size, 
-                                       vm_size_t       old_size);

 #endif /* VM_VM_EXTERNAL_H_ */
 #endif /* VM_VM_EXTERNAL_H_ */