pmap.h revision 147217
12966Swollman/*- 250477Speter * Copyright (c) 1991, 1993 31590Srgrimes * The Regents of the University of California. All rights reserved. 4156813Sru * 5156813Sru * This code is derived from software contributed to Berkeley by 64699Sjkh * The Mach Operating System project at Carnegie-Mellon University. 734706Sbde * 8213391Sgordon * Redistribution and use in source and binary forms, with or without 91930Swollman * modification, are permitted provided that the following conditions 101930Swollman * are met: 11106717Smarcel * 1. Redistributions of source code must retain the above copyright 12100200Swollman * notice, this list of conditions and the following disclaimer. 13100200Swollman * 2. Redistributions in binary form must reproduce the above copyright 1496630Stjr * notice, this list of conditions and the following disclaimer in the 1591706Sobrien * documentation and/or other materials provided with the distribution. 1638653Sgpalmer * 4. Neither the name of the University nor the names of its contributors 1738653Sgpalmer * may be used to endorse or promote products derived from this software 1857013Sobrien * without specific prior written permission. 19148771Scperciva * 2078562Sobrien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21108667Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2238653Sgpalmer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2338653Sgpalmer * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2438653Sgpalmer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2538653Sgpalmer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26208964Srdivacky * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2738653Sgpalmer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2838653Sgpalmer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2938653Sgpalmer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3038653Sgpalmer * SUCH DAMAGE. 3138653Sgpalmer * 3238653Sgpalmer * from: @(#)pmap.h 8.1 (Berkeley) 6/11/93 3338653Sgpalmer * 34176733Sjeff * 3595926Stjr * Copyright (c) 1987, 1990 Carnegie-Mellon University. 3638653Sgpalmer * All rights reserved. 3738653Sgpalmer * 3838653Sgpalmer * Author: Avadis Tevanian, Jr. 3938653Sgpalmer * 40108439Sobrien * Permission to use, copy, modify and distribute this software and 41109314Sobrien * its documentation is hereby granted, provided that both the copyright 4240826Sjoerg * notice and this permission notice appear in all copies of the 4338653Sgpalmer * software, derivative works or modified versions, and any portions 4438653Sgpalmer * thereof, and that both notices appear in supporting documentation. 4538653Sgpalmer * 4638653Sgpalmer * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 4738653Sgpalmer * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 4838653Sgpalmer * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 4938653Sgpalmer * 50203711Sdelphij * Carnegie Mellon requests users of this software to return to 5138653Sgpalmer * 5241036Sdima * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 5363499Sps * School of Computer Science 5438653Sgpalmer * Carnegie Mellon University 55103303Speter * Pittsburgh PA 15213-3890 5638653Sgpalmer * 57101629Sjake * any improvements or extensions that they make and grant Carnegie the 58158287Smaxim * rights to redistribute these changes. 5938653Sgpalmer * 60210389Sgabor * $FreeBSD: head/sys/vm/pmap.h 147217 2005-06-10 03:33:36Z alc $ 61166255Sdelphij */ 6238653Sgpalmer 6338653Sgpalmer/* 64219019Sgabor * Machine address mapping definitions -- machine-independent 6538653Sgpalmer * section. [For machine-dependent section, see "machine/pmap.h".] 6638653Sgpalmer */ 6738653Sgpalmer 6838653Sgpalmer#ifndef _PMAP_VM_ 6938653Sgpalmer#define _PMAP_VM_ 7038653Sgpalmer/* 7138653Sgpalmer * Each machine dependent implementation is expected to 7238653Sgpalmer * keep certain statistics. They may do this anyway they 7338653Sgpalmer * so choose, but are expected to return the statistics 7438653Sgpalmer * in the following structure. 7593619Sjake */ 7638653Sgpalmerstruct pmap_statistics { 7738653Sgpalmer long resident_count; /* # of pages mapped (total) */ 7838653Sgpalmer long wired_count; /* # of pages wired */ 7939614Sbde}; 8038653Sgpalmertypedef struct pmap_statistics *pmap_statistics_t; 8160789Sps 8260789Sps#include <machine/pmap.h> 8360789Sps 8438653Sgpalmer#ifdef _KERNEL 85116677Sphantomstruct proc; 8638653Sgpalmerstruct thread; 8738653Sgpalmer 8838653Sgpalmer/* 8938653Sgpalmer * Updates to kernel_vm_end are synchronized by the kernel_map's system mutex. 90126701Sdes */ 9138653Sgpalmerextern vm_offset_t kernel_vm_end; 9238653Sgpalmer 9338653Sgpalmerextern int pmap_pagedaemon_waken; 9438653Sgpalmer 95207842Smmvoid pmap_change_wiring(pmap_t, vm_offset_t, boolean_t); 9638653Sgpalmervoid pmap_clear_modify(vm_page_t m); 97208320Sjkimvoid pmap_clear_reference(vm_page_t m); 98213391Sgordonvoid pmap_copy(pmap_t, pmap_t, vm_offset_t, vm_size_t, vm_offset_t); 9938653Sgpalmervoid pmap_copy_page(vm_page_t, vm_page_t); 100174814Sruvoid pmap_enter(pmap_t, vm_offset_t, vm_page_t, vm_prot_t, 101174810Sphk boolean_t); 102219019Sgaborvm_page_t pmap_enter_quick(pmap_t pmap, vm_offset_t va, vm_page_t m, 10338653Sgpalmer vm_page_t mpte); 104219019Sgaborvm_paddr_t pmap_extract(pmap_t pmap, vm_offset_t va); 10538653Sgpalmervm_page_t pmap_extract_and_hold(pmap_t pmap, vm_offset_t va, 10638653Sgpalmer vm_prot_t prot); 10738653Sgpalmervoid pmap_growkernel(vm_offset_t); 108146107Sfjoevoid pmap_init(void); 10939914Sdfrboolean_t pmap_is_modified(vm_page_t m); 11038653Sgpalmerboolean_t pmap_is_prefaultable(pmap_t pmap, vm_offset_t va); 11138653Sgpalmerboolean_t pmap_ts_referenced(vm_page_t m); 11297365Stjrvm_offset_t pmap_map(vm_offset_t *, vm_paddr_t, vm_paddr_t, int); 11338653Sgpalmervoid pmap_object_init_pt(pmap_t pmap, vm_offset_t addr, 11438653Sgpalmer vm_object_t object, vm_pindex_t pindex, vm_size_t size); 11576273Sbrianboolean_t pmap_page_exists_quick(pmap_t pmap, vm_page_t m); 11638653Sgpalmervoid pmap_page_init(vm_page_t m); 11738653Sgpalmervoid pmap_page_protect(vm_page_t m, vm_prot_t prot); 11838653Sgpalmervoid pmap_pinit(pmap_t); 11938653Sgpalmervoid pmap_pinit0(pmap_t); 12038653Sgpalmervoid pmap_protect(pmap_t, vm_offset_t, vm_offset_t, vm_prot_t); 12138653Sgpalmervoid pmap_qenter(vm_offset_t, vm_page_t *, int); 12238653Sgpalmervoid pmap_qremove(vm_offset_t, int); 12397096Stjrvoid pmap_release(pmap_t); 124192398Sgnnvoid pmap_remove(pmap_t, vm_offset_t, vm_offset_t); 12538653Sgpalmervoid pmap_remove_all(vm_page_t m); 12638653Sgpalmervoid pmap_remove_pages(pmap_t, vm_offset_t, vm_offset_t); 12738653Sgpalmervoid pmap_zero_page(vm_page_t); 128174200Srwatsonvoid pmap_zero_page_area(vm_page_t, int off, int size); 12938653Sgpalmervoid pmap_zero_page_idle(vm_page_t); 13038653Sgpalmerint pmap_mincore(pmap_t pmap, vm_offset_t addr); 131194267Sedvoid pmap_activate(struct thread *td); 13238653Sgpalmervm_offset_t pmap_addr_hint(vm_object_t obj, vm_offset_t addr, vm_size_t size); 13338653Sgpalmervoid pmap_init2(void); 13438653Sgpalmer 13538653Sgpalmer#define pmap_resident_count(pm) ((pm)->pm_stats.resident_count) 13638653Sgpalmer#define pmap_wired_count(pm) ((pm)->pm_stats.wired_count) 13738653Sgpalmer 13838653Sgpalmer#endif /* _KERNEL */ 139204103Sdelphij#endif /* _PMAP_VM_ */ 14038653Sgpalmer