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 45b21e9fb2f2c71242531156d8d11008060095e4..89962ac7280f15ba27e59fec05ee9d4cd8356055 100644 (file)
--- a/bsd/vm/vnode_pager.h
+++ b/bsd/vm/vnode_pager.h
@@ -1,23 +1,29 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  * 
  * 

- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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. 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.

  * 
  * 

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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

  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * 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
  */
 /* 
  * Mach Operating System


@@ -34,13 +40,12 @@
 #include <kern/queue.h>
 
 #ifdef KERNEL
 #include <kern/queue.h>
 
 #ifdef KERNEL

-

 #include <mach/boolean.h>
 #include <mach/boolean.h>

+#include <mach/memory_object_types.h>
+#include <mach/vm_types.h>

 #include <vm/vm_pager.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.
 
 /*
  *  Vstructs are the internal (to us) description of a unit of backing store.


@@ -89,6 +94,7 @@ struct bs_map {
        struct vnode    *vp;   
        void            *bs;
 };
        struct vnode    *vp;   
        void            *bs;
 };

+extern struct bs_map  bs_port_table[];

 
 
 
 
 
 


@@ -123,11 +129,28 @@ typedef struct vstruct {
 #define        VNODE_PAGER_NULL        ((vnode_pager_t) 0)
 
 
 #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 */
 
 
 #endif /* KERNEL */