xref: /openbsd/sys/uvm/uvm_swap.h (revision 133306f0)
1 /*	$OpenBSD: uvm_swap.h,v 1.5 2001/01/29 02:07:49 niklas Exp $	*/
2 /*	$NetBSD: uvm_swap.h,v 1.3 1998/02/07 11:09:48 mrg Exp $	*/
3 
4 /*
5  * Copyright (c) 1997 Matthew R. Green
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  * from: Id: uvm_swap.h,v 1.1.2.6 1997/12/15 05:39:31 mrg Exp
32  */
33 
34 #ifndef _UVM_UVM_SWAP_H_
35 #define _UVM_UVM_SWAP_H_
36 
37 int			uvm_swap_get __P((struct vm_page *, int, int));
38 int			uvm_swap_put __P((int, struct vm_page **, int,
39 			    int));
40 int			uvm_swap_alloc __P((int *wanted, boolean_t lessok));
41 void			uvm_swap_free __P((int startslot, int nslots));
42 
43 #ifdef UVM_SWAP_ENCRYPT
44 void			uvm_swap_initcrypt_all __P((void));
45 #endif
46 #endif /* _UVM_UVM_SWAP_H_ */
47