xnu-1228.5.20.tar.gz

[apple/xnu.git] / bsd / vm / vnode_pager.h

diff --git a/bsd/vm/vnode_pager.h b/bsd/vm/vnode_pager.h
index 18621f8530b5b445e7b54d6f17120d8f65043015..89962ac7280f15ba27e59fec05ee9d4cd8356055 100644 (file)
--- a/bsd/vm/vnode_pager.h
+++ b/bsd/vm/vnode_pager.h
@@ -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@
  */
 /* 
  * Mach Operating System
@@ -37,13 +40,12 @@
 #include <kern/queue.h>
 
 #ifdef KERNEL
-
 #include <mach/boolean.h>
+#include <mach/memory_object_types.h>
+#include <mach/vm_types.h>
 #include <vm/vm_pager.h>
 
-vm_pager_t     vnode_pager_setup();
-boolean_t      vnode_has_page();
-boolean_t      vnode_pager_active();
+vm_pager_t     vnode_pager_setup(struct vnode *, memory_object_t);
 
 /*
  *  Vstructs are the internal (to us) description of a unit of backing store.
@@ -92,6 +94,7 @@ struct bs_map {
        struct vnode    *vp;   
        void            *bs;
 };
+extern struct bs_map  bs_port_table[];
 
 
 
@@ -126,11 +129,28 @@ typedef struct vstruct {
 #define        VNODE_PAGER_NULL        ((vnode_pager_t) 0)
 
 
+pager_return_t vnode_pagein(struct vnode *, upl_t,
+                            upl_offset_t, vm_object_offset_t,
+                            upl_size_t, int, int *);
+pager_return_t vnode_pageout(struct vnode *, upl_t,
+                             upl_offset_t, vm_object_offset_t,
+                             upl_size_t, int, int *);
+
+extern vm_object_offset_t vnode_pager_get_filesize(
+       struct vnode *vp);
+
+extern kern_return_t vnode_pager_get_pathname(
+       struct vnode    *vp,
+       char            *pathname,
+       vm_size_t       *length_p);
+
+extern kern_return_t vnode_pager_get_filename(
+       struct vnode    *vp,
+       const char      **filename);
 
-pager_return_t pager_vnode_pagein();
-pager_return_t pager_vnode_pageout();
-pager_return_t vnode_pagein();
-pager_return_t vnode_pageout();
+extern kern_return_t vnode_pager_get_cs_blobs(
+       struct vnode    *vp,
+       void            **blobs);
 
 #endif /* KERNEL */