1 /* 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * The Mach Operating System project at Carnegie-Mellon University. 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. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: @(#)pmap.h 8.1 (Berkeley) 6/11/93 37 * 38 * 39 * Copyright (c) 1987, 1990 Carnegie-Mellon University. 40 * All rights reserved. 41 * 42 * Author: Avadis Tevanian, Jr. 43 * 44 * Permission to use, copy, modify and distribute this software and 45 * its documentation is hereby granted, provided that both the copyright 46 * notice and this permission notice appear in all copies of the 47 * software, derivative works or modified versions, and any portions 48 * thereof, and that both notices appear in supporting documentation. 49 * 50 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 51 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 52 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 53 * 54 * Carnegie Mellon requests users of this software to return to 55 * 56 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 57 * School of Computer Science 58 * Carnegie Mellon University 59 * Pittsburgh PA 15213-3890 60 * 61 * any improvements or extensions that they make and grant Carnegie the 62 * rights to redistribute these changes. 63 * 64 * $FreeBSD: src/sys/vm/pmap.h,v 1.33.2.4 2002/03/06 22:44:24 silby Exp $ 65 * $DragonFly: src/sys/vm/pmap.h,v 1.7 2003/08/20 08:03:01 rob Exp $ 66 */ 67 68 /* 69 * Machine address mapping definitions -- machine-independent 70 * section. [For machine-dependent section, see "machine/pmap.h".] 71 */ 72 73 #ifndef _PMAP_VM_ 74 #define _PMAP_VM_ 75 76 /* 77 * Each machine dependent implementation is expected to 78 * keep certain statistics. They may do this anyway they 79 * so choose, but are expected to return the statistics 80 * in the following structure. 81 */ 82 struct pmap_statistics { 83 long resident_count; /* # of pages mapped (total) */ 84 long wired_count; /* # of pages wired */ 85 }; 86 typedef struct pmap_statistics *pmap_statistics_t; 87 88 #include <machine/pmap.h> 89 90 #ifdef _KERNEL 91 92 struct proc; 93 struct thread; 94 95 #ifdef __alpha__ 96 void pmap_page_is_free (vm_page_t m); 97 #endif 98 void pmap_change_wiring (pmap_t, vm_offset_t, boolean_t); 99 void pmap_clear_modify (vm_page_t m); 100 void pmap_clear_reference (vm_page_t m); 101 void pmap_collect (void); 102 void pmap_copy (pmap_t, pmap_t, vm_offset_t, vm_size_t, 103 vm_offset_t); 104 void pmap_copy_page (vm_offset_t, vm_offset_t); 105 void pmap_destroy (pmap_t); 106 void pmap_enter (pmap_t, vm_offset_t, vm_page_t, vm_prot_t, 107 boolean_t); 108 vm_offset_t pmap_extract (pmap_t pmap, vm_offset_t va); 109 void pmap_growkernel (vm_offset_t); 110 void pmap_init (vm_offset_t, vm_offset_t); 111 boolean_t pmap_is_modified (vm_page_t m); 112 boolean_t pmap_ts_referenced (vm_page_t m); 113 void pmap_kenter (vm_offset_t va, vm_offset_t pa); 114 void pmap_kremove (vm_offset_t); 115 vm_offset_t pmap_map (vm_offset_t, vm_offset_t, vm_offset_t, int); 116 void pmap_object_init_pt (pmap_t pmap, vm_offset_t addr, 117 vm_object_t object, vm_pindex_t pindex, vm_offset_t size, 118 int pagelimit); 119 boolean_t pmap_page_exists_quick (pmap_t pmap, vm_page_t m); 120 void pmap_page_protect (vm_page_t m, vm_prot_t prot); 121 void pmap_pageable (pmap_t, vm_offset_t, vm_offset_t, 122 boolean_t); 123 vm_offset_t pmap_phys_address (int); 124 void pmap_pinit (pmap_t); 125 void pmap_pinit0 (pmap_t); 126 void pmap_pinit2 (pmap_t); 127 void pmap_protect (pmap_t, vm_offset_t, vm_offset_t, 128 vm_prot_t); 129 void pmap_qenter (vm_offset_t, vm_page_t *, int); 130 void pmap_qremove (vm_offset_t, int); 131 void pmap_reference (pmap_t); 132 void pmap_release (pmap_t); 133 void pmap_remove (pmap_t, vm_offset_t, vm_offset_t); 134 void pmap_remove_pages (pmap_t, vm_offset_t, vm_offset_t); 135 void pmap_zero_page (vm_offset_t); 136 void pmap_zero_page_area (vm_offset_t, int off, int size); 137 void pmap_prefault (pmap_t, vm_offset_t, vm_map_entry_t); 138 int pmap_mincore (pmap_t pmap, vm_offset_t addr); 139 void pmap_init_proc (struct proc *p, struct thread *td); 140 void pmap_init_thread (struct thread *td); 141 struct thread *pmap_dispose_proc (struct proc *p); 142 void pmap_swapout_proc (struct proc *p); 143 void pmap_swapin_proc (struct proc *p); 144 void pmap_activate (struct proc *p); 145 vm_offset_t pmap_addr_hint (vm_object_t obj, vm_offset_t addr, vm_size_t size); 146 void *pmap_kenter_temporary (vm_offset_t pa, int i); 147 void pmap_init2 (void); 148 149 #endif /* _KERNEL */ 150 151 #endif /* _PMAP_VM_ */ 152