1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/* $OpenBSD: uvm_swap.h,v 1.19 2022/06/28 19:19:34 mpi Exp $ */
/* $NetBSD: uvm_swap.h,v 1.5 2000/01/11 06:57:51 chs Exp $ */
/*
* Copyright (c) 1997 Matthew R. Green
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Id: uvm_swap.h,v 1.1.2.6 1997/12/15 05:39:31 mrg Exp
*/
#ifndef _UVM_UVM_SWAP_H_
#define _UVM_UVM_SWAP_H_
#define SWCLUSTPAGES (MAXBSIZE >> PAGE_SHIFT)
#define SWSLOT_BAD (-1)
#ifdef _KERNEL
int uvm_swap_get(struct vm_page *, int, int);
int uvm_swap_put(int, struct vm_page **, int, int);
int uvm_swap_alloc(int *, boolean_t);
void uvm_swap_free(int, int);
void uvm_swap_markbad(int, int);
int uvm_swapisfull(void);
void uvm_swap_freepages(struct vm_page **, int);
#ifdef HIBERNATE
int uvm_hibswap(dev_t, u_long *, u_long *);
#endif /* HIBERNATE */
#ifdef UVM_SWAP_ENCRYPT
void uvm_swap_initcrypt_all(void);
void uvm_swap_finicrypt_all(void);
#endif
#endif /* _KERNEL */
#endif /* _UVM_UVM_SWAP_H_ */
|
