uvm_map.h revision 1.13 1 1.13 mrg /* $NetBSD: uvm_map.h,v 1.13 1999/05/23 06:27:13 mrg Exp $ */
2 1.1 mrg
3 1.1 mrg /*
4 1.1 mrg * Copyright (c) 1997 Charles D. Cranor and Washington University.
5 1.1 mrg * Copyright (c) 1991, 1993, The Regents of the University of California.
6 1.1 mrg *
7 1.1 mrg * All rights reserved.
8 1.1 mrg *
9 1.1 mrg * This code is derived from software contributed to Berkeley by
10 1.1 mrg * The Mach Operating System project at Carnegie-Mellon University.
11 1.1 mrg *
12 1.1 mrg * Redistribution and use in source and binary forms, with or without
13 1.1 mrg * modification, are permitted provided that the following conditions
14 1.1 mrg * are met:
15 1.1 mrg * 1. Redistributions of source code must retain the above copyright
16 1.1 mrg * notice, this list of conditions and the following disclaimer.
17 1.1 mrg * 2. Redistributions in binary form must reproduce the above copyright
18 1.1 mrg * notice, this list of conditions and the following disclaimer in the
19 1.1 mrg * documentation and/or other materials provided with the distribution.
20 1.1 mrg * 3. All advertising materials mentioning features or use of this software
21 1.1 mrg * must display the following acknowledgement:
22 1.1 mrg * This product includes software developed by Charles D. Cranor,
23 1.1 mrg * Washington University, the University of California, Berkeley and
24 1.1 mrg * its contributors.
25 1.1 mrg * 4. Neither the name of the University nor the names of its contributors
26 1.1 mrg * may be used to endorse or promote products derived from this software
27 1.1 mrg * without specific prior written permission.
28 1.1 mrg *
29 1.1 mrg * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30 1.1 mrg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 1.1 mrg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 1.1 mrg * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33 1.1 mrg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 1.1 mrg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 1.1 mrg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 1.1 mrg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 1.1 mrg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 1.1 mrg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 1.1 mrg * SUCH DAMAGE.
40 1.1 mrg *
41 1.1 mrg * @(#)vm_map.h 8.3 (Berkeley) 3/15/94
42 1.4 mrg * from: Id: uvm_map.h,v 1.1.2.3 1998/02/07 01:16:55 chs Exp
43 1.1 mrg *
44 1.1 mrg *
45 1.1 mrg * Copyright (c) 1987, 1990 Carnegie-Mellon University.
46 1.1 mrg * All rights reserved.
47 1.1 mrg *
48 1.1 mrg * Permission to use, copy, modify and distribute this software and
49 1.1 mrg * its documentation is hereby granted, provided that both the copyright
50 1.1 mrg * notice and this permission notice appear in all copies of the
51 1.1 mrg * software, derivative works or modified versions, and any portions
52 1.1 mrg * thereof, and that both notices appear in supporting documentation.
53 1.1 mrg *
54 1.1 mrg * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
55 1.1 mrg * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
56 1.1 mrg * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
57 1.1 mrg *
58 1.1 mrg * Carnegie Mellon requests users of this software to return to
59 1.1 mrg *
60 1.1 mrg * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU
61 1.1 mrg * School of Computer Science
62 1.1 mrg * Carnegie Mellon University
63 1.1 mrg * Pittsburgh PA 15213-3890
64 1.1 mrg *
65 1.1 mrg * any improvements or extensions that they make and grant Carnegie the
66 1.1 mrg * rights to redistribute these changes.
67 1.1 mrg */
68 1.1 mrg
69 1.5 perry #ifndef _UVM_UVM_MAP_H_
70 1.5 perry #define _UVM_UVM_MAP_H_
71 1.5 perry
72 1.1 mrg /*
73 1.1 mrg * uvm_map.h
74 1.1 mrg */
75 1.1 mrg
76 1.1 mrg /*
77 1.1 mrg * macros
78 1.1 mrg */
79 1.1 mrg
80 1.1 mrg /*
81 1.1 mrg * UVM_MAP_CLIP_START: ensure that the entry begins at or after
82 1.1 mrg * the starting address, if it doesn't we split the entry.
83 1.1 mrg *
84 1.1 mrg * => map must be locked by caller
85 1.1 mrg */
86 1.1 mrg
87 1.1 mrg #define UVM_MAP_CLIP_START(MAP,ENTRY,VA) { \
88 1.1 mrg if ((VA) > (ENTRY)->start) uvm_map_clip_start(MAP,ENTRY,VA); }
89 1.1 mrg
90 1.1 mrg /*
91 1.1 mrg * UVM_MAP_CLIP_END: ensure that the entry ends at or before
92 1.1 mrg * the ending address, if it does't we split the entry.
93 1.1 mrg *
94 1.1 mrg * => map must be locked by caller
95 1.1 mrg */
96 1.1 mrg
97 1.1 mrg #define UVM_MAP_CLIP_END(MAP,ENTRY,VA) { \
98 1.1 mrg if ((VA) < (ENTRY)->end) uvm_map_clip_end(MAP,ENTRY,VA); }
99 1.1 mrg
100 1.1 mrg /*
101 1.1 mrg * extract flags
102 1.1 mrg */
103 1.1 mrg #define UVM_EXTRACT_REMOVE 0x1 /* remove mapping from old map */
104 1.1 mrg #define UVM_EXTRACT_CONTIG 0x2 /* try to keep it contig */
105 1.1 mrg #define UVM_EXTRACT_QREF 0x4 /* use quick refs */
106 1.1 mrg #define UVM_EXTRACT_FIXPROT 0x8 /* set prot to maxprot as we go */
107 1.1 mrg
108 1.1 mrg
109 1.1 mrg /*
110 1.1 mrg * handle inline options
111 1.1 mrg */
112 1.1 mrg
113 1.1 mrg #ifdef UVM_MAP_INLINE
114 1.1 mrg #define MAP_INLINE static __inline
115 1.1 mrg #else
116 1.1 mrg #define MAP_INLINE /* nothing */
117 1.1 mrg #endif /* UVM_MAP_INLINE */
118 1.12 thorpej
119 1.12 thorpej /*
120 1.12 thorpej * globals:
121 1.12 thorpej */
122 1.12 thorpej
123 1.12 thorpej #ifdef PMAP_GROWKERNEL
124 1.12 thorpej extern vaddr_t uvm_maxkaddr;
125 1.12 thorpej #endif
126 1.1 mrg
127 1.1 mrg /*
128 1.1 mrg * protos: the following prototypes define the interface to vm_map
129 1.1 mrg */
130 1.1 mrg
131 1.1 mrg MAP_INLINE
132 1.1 mrg void uvm_map_deallocate __P((vm_map_t));
133 1.1 mrg
134 1.7 eeh int uvm_map_clean __P((vm_map_t, vaddr_t, vaddr_t, int));
135 1.1 mrg void uvm_map_clip_start __P((vm_map_t,
136 1.7 eeh vm_map_entry_t, vaddr_t));
137 1.1 mrg void uvm_map_clip_end __P((vm_map_t, vm_map_entry_t,
138 1.7 eeh vaddr_t));
139 1.1 mrg MAP_INLINE
140 1.7 eeh vm_map_t uvm_map_create __P((pmap_t, vaddr_t,
141 1.7 eeh vaddr_t, boolean_t));
142 1.7 eeh int uvm_map_extract __P((vm_map_t, vaddr_t, vsize_t,
143 1.7 eeh vm_map_t, vaddr_t *, int));
144 1.7 eeh vm_map_entry_t uvm_map_findspace __P((vm_map_t, vaddr_t, vsize_t,
145 1.7 eeh vaddr_t *, struct uvm_object *, vaddr_t,
146 1.1 mrg boolean_t));
147 1.7 eeh int uvm_map_inherit __P((vm_map_t, vaddr_t, vaddr_t,
148 1.1 mrg vm_inherit_t));
149 1.13 mrg int uvm_map_advice __P((vm_map_t, vaddr_t, vaddr_t, int));
150 1.1 mrg void uvm_map_init __P((void));
151 1.7 eeh boolean_t uvm_map_lookup_entry __P((vm_map_t, vaddr_t,
152 1.1 mrg vm_map_entry_t *));
153 1.1 mrg MAP_INLINE
154 1.1 mrg void uvm_map_reference __P((vm_map_t));
155 1.7 eeh int uvm_map_replace __P((vm_map_t, vaddr_t, vaddr_t,
156 1.1 mrg vm_map_entry_t, int));
157 1.7 eeh int uvm_map_reserve __P((vm_map_t, vsize_t, vaddr_t,
158 1.7 eeh vaddr_t *));
159 1.7 eeh void uvm_map_setup __P((vm_map_t, vaddr_t,
160 1.7 eeh vaddr_t, boolean_t));
161 1.7 eeh int uvm_map_submap __P((vm_map_t, vaddr_t,
162 1.7 eeh vaddr_t, vm_map_t));
163 1.1 mrg MAP_INLINE
164 1.10 chuck int uvm_unmap __P((vm_map_t, vaddr_t, vaddr_t));
165 1.1 mrg void uvm_unmap_detach __P((vm_map_entry_t,int));
166 1.7 eeh int uvm_unmap_remove __P((vm_map_t, vaddr_t, vaddr_t,
167 1.10 chuck vm_map_entry_t *));
168 1.1 mrg
169 1.1 mrg struct vmspace *uvmspace_fork __P((struct vmspace *));
170 1.5 perry
171 1.5 perry #endif /* _UVM_UVM_MAP_H_ */
172