uvm_aobj.h revision 1.6 1 1.6 chs /* $NetBSD: uvm_aobj.h,v 1.6 1998/02/12 07:36:45 chs Exp $ */
2 1.1 mrg
3 1.4 mrg /*
4 1.6 chs * XXXCDC: "ROUGH DRAFT" QUALITY UVM PRE-RELEASE FILE!
5 1.6 chs * >>>USE AT YOUR OWN RISK, WORK IS NOT FINISHED<<<
6 1.6 chs */
7 1.6 chs /*
8 1.6 chs * Copyright (c) 1998 Chuck Silvers, Charles D. Cranor and
9 1.6 chs * Washington University.
10 1.6 chs * All rights reserved.
11 1.6 chs *
12 1.6 chs * Redistribution and use in source and binary forms, with or without
13 1.6 chs * modification, are permitted provided that the following conditions
14 1.6 chs * are met:
15 1.6 chs * 1. Redistributions of source code must retain the above copyright
16 1.6 chs * notice, this list of conditions and the following disclaimer.
17 1.6 chs * 2. Redistributions in binary form must reproduce the above copyright
18 1.6 chs * notice, this list of conditions and the following disclaimer in the
19 1.6 chs * documentation and/or other materials provided with the distribution.
20 1.6 chs * 3. All advertising materials mentioning features or use of this software
21 1.6 chs * must display the following acknowledgement:
22 1.6 chs * This product includes software developed by Charles D. Cranor and
23 1.6 chs * Washington University.
24 1.6 chs * 4. The name of the author may not be used to endorse or promote products
25 1.6 chs * derived from this software without specific prior written permission.
26 1.6 chs *
27 1.6 chs * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
28 1.6 chs * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
29 1.6 chs * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
30 1.6 chs * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
31 1.6 chs * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
32 1.6 chs * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33 1.6 chs * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34 1.6 chs * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35 1.6 chs * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
36 1.6 chs * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 1.6 chs *
38 1.4 mrg * from: Id: uvm_aobj.h,v 1.1.2.4 1998/02/06 05:19:28 chs Exp
39 1.4 mrg */
40 1.1 mrg /*
41 1.6 chs * uvm_aobj.h: anonymous memory uvm_object pager
42 1.6 chs *
43 1.6 chs * author: Chuck Silvers <chuq (at) chuq.com>
44 1.6 chs * started: Jan-1998
45 1.1 mrg *
46 1.6 chs * - design mostly from Chuck Cranor
47 1.1 mrg */
48 1.1 mrg
49 1.5 perry #ifndef _UVM_UVM_AOBJ_H_
50 1.5 perry #define _UVM_UVM_AOBJ_H_
51 1.1 mrg
52 1.1 mrg /*
53 1.1 mrg * flags
54 1.1 mrg */
55 1.1 mrg
56 1.1 mrg /* flags for uao_create: can only be used one time (at bootup) */
57 1.1 mrg #define UAO_FLAG_KERNOBJ 0x1 /* create kernel object */
58 1.1 mrg #define UAO_FLAG_KERNSWAP 0x2 /* enable kernel swap */
59 1.1 mrg
60 1.1 mrg /* internal flags */
61 1.1 mrg #define UAO_FLAG_KILLME 0x4 /* aobj should die when last released
62 1.1 mrg * page is no longer PG_BUSY ... */
63 1.1 mrg #define UAO_FLAG_NOSWAP 0x8 /* aobj can't swap (kernel obj only!) */
64 1.1 mrg
65 1.1 mrg /*
66 1.1 mrg * prototypes
67 1.1 mrg */
68 1.1 mrg
69 1.1 mrg int uao_set_swslot __P((struct uvm_object *, int, int));
70 1.3 chs
71 1.3 chs /*
72 1.3 chs * globals
73 1.3 chs */
74 1.3 chs
75 1.3 chs extern struct uvm_pagerops aobj_pager;
76 1.3 chs
77 1.5 perry #endif /* _UVM_UVM_AOBJ_H_ */
78