pmap.h revision 92029
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: head/sys/vm/pmap.h 92029 2002-03-10 21:52:48Z eivind $ 65 */ 66 67/* 68 * Machine address mapping definitions -- machine-independent 69 * section. [For machine-dependent section, see "machine/pmap.h".] 70 */ 71 72#ifndef _PMAP_VM_ 73#define _PMAP_VM_ 74/* 75 * Each machine dependent implementation is expected to 76 * keep certain statistics. They may do this anyway they 77 * so choose, but are expected to return the statistics 78 * in the following structure. 79 */ 80struct pmap_statistics { 81 long resident_count; /* # of pages mapped (total) */ 82 long wired_count; /* # of pages wired */ 83}; 84typedef struct pmap_statistics *pmap_statistics_t; 85 86#include <machine/pmap.h> 87 88#ifdef _KERNEL 89struct proc; 90struct thread; 91 92#ifdef __alpha__ 93void pmap_page_is_free __P((vm_page_t m)); 94#endif 95void pmap_change_wiring __P((pmap_t, vm_offset_t, boolean_t)); 96void pmap_clear_modify __P((vm_page_t m)); 97void pmap_clear_reference __P((vm_page_t m)); 98void pmap_collect __P((void)); 99void pmap_copy __P((pmap_t, pmap_t, vm_offset_t, vm_size_t, 100 vm_offset_t)); 101void pmap_copy_page __P((vm_offset_t, vm_offset_t)); 102void pmap_destroy __P((pmap_t)); 103void pmap_enter __P((pmap_t, vm_offset_t, vm_page_t, vm_prot_t, 104 boolean_t)); 105vm_offset_t pmap_extract __P((pmap_t pmap, vm_offset_t va)); 106void pmap_growkernel __P((vm_offset_t)); 107void pmap_init __P((vm_offset_t, vm_offset_t)); 108boolean_t pmap_is_modified __P((vm_page_t m)); 109boolean_t pmap_ts_referenced __P((vm_page_t m)); 110void pmap_kenter __P((vm_offset_t va, vm_offset_t pa)); 111void pmap_kremove __P((vm_offset_t)); 112vm_offset_t pmap_map __P((vm_offset_t *, vm_offset_t, vm_offset_t, int)); 113void pmap_object_init_pt __P((pmap_t pmap, vm_offset_t addr, 114 vm_object_t object, vm_pindex_t pindex, vm_offset_t size, 115 int pagelimit)); 116boolean_t pmap_page_exists_quick __P((pmap_t pmap, vm_page_t m)); 117void pmap_page_protect __P((vm_page_t m, vm_prot_t prot)); 118void pmap_pageable __P((pmap_t, vm_offset_t, vm_offset_t, 119 boolean_t)); 120vm_offset_t pmap_phys_address __P((int)); 121void pmap_pinit __P((pmap_t)); 122void pmap_pinit0 __P((pmap_t)); 123void pmap_pinit2 __P((pmap_t)); 124void pmap_protect __P((pmap_t, vm_offset_t, vm_offset_t, 125 vm_prot_t)); 126void pmap_qenter __P((vm_offset_t, vm_page_t *, int)); 127void pmap_qremove __P((vm_offset_t, int)); 128void pmap_reference __P((pmap_t)); 129void pmap_release __P((pmap_t)); 130void pmap_remove __P((pmap_t, vm_offset_t, vm_offset_t)); 131void pmap_remove_pages __P((pmap_t, vm_offset_t, vm_offset_t)); 132void pmap_zero_page __P((vm_offset_t)); 133void pmap_zero_page_area __P((vm_offset_t, int off, int size)); 134void pmap_prefault __P((pmap_t, vm_offset_t, vm_map_entry_t)); 135int pmap_mincore __P((pmap_t pmap, vm_offset_t addr)); 136void pmap_new_proc __P((struct proc *p)); 137void pmap_dispose_proc __P((struct proc *p)); 138void pmap_swapout_proc __P((struct proc *p)); 139void pmap_swapin_proc __P((struct proc *p)); 140void pmap_new_thread __P((struct thread *td)); 141void pmap_dispose_thread __P((struct thread *td)); 142void pmap_swapout_thread __P((struct thread *td)); 143void pmap_swapin_thread __P((struct thread *td)); 144void pmap_activate __P((struct thread *td)); 145vm_offset_t pmap_addr_hint __P((vm_object_t obj, vm_offset_t addr, vm_size_t size)); 146void *pmap_kenter_temporary __P((vm_offset_t pa, int i)); 147void pmap_init2 __P((void)); 148#endif /* _KERNEL */ 149#endif /* _PMAP_VM_ */ 150