/* $NetBSD: uvm_pmap.h,v 1.11 2002/09/22 07:17:25 chs Exp $ */ /* * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * The Mach Operating System project at Carnegie-Mellon University. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)pmap.h 8.1 (Berkeley) 6/11/93 * * * Copyright (c) 1987, 1990 Carnegie-Mellon University. * All rights reserved. * * Author: Avadis Tevanian, Jr. * * Permission to use, copy, modify and distribute this software and * its documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. */ /* * Machine address mapping definitions -- machine-independent * section. [For machine-dependent section, see "machine/pmap.h".] */ #ifndef _PMAP_VM_ #define _PMAP_VM_ struct proc; /* for pmap_activate()/pmap_deactivate() proto */ /* * Each machine dependent implementation is expected to * keep certain statistics. They may do this anyway they * so choose, but are expected to return the statistics * in the following structure. */ struct pmap_statistics { long resident_count; /* # of pages mapped (total)*/ long wired_count; /* # of pages wired */ }; typedef struct pmap_statistics *pmap_statistics_t; #ifdef _KERNEL #include #endif /* * Flags passed to pmap_enter(). Note the bottom 3 bits are VM_PROT_* * bits, used to indicate the access type that was made (to seed modified * and referenced information). */ #define PMAP_WIRED 0x00000010 /* wired mapping */ #define PMAP_CANFAIL 0x00000020 /* can fail if resource shortage */ #ifndef PMAP_EXCLUDE_DECLS /* Used in Sparc port to virtualize pmap mod */ #ifdef _KERNEL __BEGIN_DECLS #if !defined(pmap_kernel) struct pmap *pmap_kernel __P((void)); #endif void pmap_activate __P((struct proc *)); void pmap_deactivate __P((struct proc *)); void pmap_unwire __P((pmap_t, vaddr_t)); #if !defined(pmap_clear_modify) boolean_t pmap_clear_modify __P((struct vm_page *)); #endif #if !defined(pmap_clear_reference) boolean_t pmap_clear_reference __P((struct vm_page *)); #endif void pmap_collect __P((pmap_t)); void pmap_copy __P((pmap_t, pmap_t, vaddr_t, vsize_t, vaddr_t)); #if !defined(pmap_copy_page) void pmap_copy_page __P((paddr_t, paddr_t)); #endif struct pmap *pmap_create __P((void)); void pmap_destroy __P((pmap_t)); int pmap_enter __P((pmap_t, vaddr_t, paddr_t, vm_prot_t, int)); boolean_t pmap_extract __P((pmap_t, vaddr_t, paddr_t *)); #if defined(PMAP_GROWKERNEL) vaddr_t pmap_growkernel __P((vaddr_t)); #endif void pmap_init __P((void)); void pmap_kenter_pa __P((vaddr_t, paddr_t, vm_prot_t)); void pmap_kremove __P((vaddr_t, vsize_t)); #if !defined(pmap_is_modified) boolean_t pmap_is_modified __P((struct vm_page *)); #endif #if !defined(pmap_is_referenced) boolean_t pmap_is_referenced __P((struct vm_page *)); #endif void pmap_page_protect __P((struct vm_page *, vm_prot_t)); #if !defined(pmap_phys_address) paddr_t pmap_phys_address __P((int)); #endif void pmap_protect __P((pmap_t, vaddr_t, vaddr_t, vm_prot_t)); void pmap_reference __P((pmap_t)); void pmap_remove __P((pmap_t, vaddr_t, vaddr_t)); void pmap_remove_all(struct pmap *); void pmap_update __P((pmap_t)); #if !defined(pmap_resident_count) long pmap_resident_count __P((pmap_t)); #endif #if !defined(pmap_wired_count) long pmap_wired_count __P((pmap_t)); #endif #if !defined(pmap_zero_page) void pmap_zero_page __P((paddr_t)); #endif void pmap_virtual_space __P((vaddr_t *, vaddr_t *)); #if defined(PMAP_STEAL_MEMORY) vaddr_t pmap_steal_memory __P((vsize_t, vaddr_t *, vaddr_t *)); #endif #if defined(PMAP_FORK) void pmap_fork __P((pmap_t, pmap_t)); #endif __END_DECLS #endif /* kernel*/ #endif /* PMAP_EXCLUDE_DECLS */ #endif /* _PMAP_VM_ */