/* * 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. * * from: @(#)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. * * $FreeBSD: src/sys/vm/pmap.h,v 1.33.2.4 2002/03/06 22:44:24 silby Exp $ * $DragonFly: src/sys/vm/pmap.h,v 1.14 2004/05/31 17:06:41 dillon Exp $ */ /* * Machine address mapping definitions -- machine-independent * section. [For machine-dependent section, see "machine/pmap.h".] */ #ifndef _PMAP_VM_ #define _PMAP_VM_ /* * 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; #include #ifdef _KERNEL struct proc; struct thread; #ifdef __alpha__ void pmap_page_is_free (vm_page_t m); #endif void pmap_change_wiring (pmap_t, vm_offset_t, boolean_t); void pmap_clear_modify (vm_page_t m); void pmap_clear_reference (vm_page_t m); void pmap_collect (void); void pmap_copy (pmap_t, pmap_t, vm_offset_t, vm_size_t, vm_offset_t); void pmap_copy_page (vm_paddr_t, vm_paddr_t); void pmap_copy_page_frag (vm_paddr_t, vm_paddr_t, size_t bytes); void pmap_destroy (pmap_t); void pmap_enter (pmap_t, vm_offset_t, vm_page_t, vm_prot_t, boolean_t); vm_paddr_t pmap_extract (pmap_t pmap, vm_offset_t va); vm_page_t pmap_extract_vmpage (pmap_t pmap, vm_offset_t va, int prot); void pmap_growkernel (vm_offset_t); void pmap_init (void); boolean_t pmap_is_modified (vm_page_t m); boolean_t pmap_ts_referenced (vm_page_t m); vm_offset_t pmap_map (vm_offset_t, vm_paddr_t, vm_paddr_t, int); void pmap_object_init_pt (pmap_t pmap, vm_offset_t addr, vm_prot_t prot, vm_object_t object, vm_pindex_t pindex, vm_offset_t size, int pagelimit); boolean_t pmap_page_exists_quick (pmap_t pmap, vm_page_t m); void pmap_page_protect (vm_page_t m, vm_prot_t prot); vm_paddr_t pmap_phys_address (int); void pmap_pinit (pmap_t); void pmap_pinit0 (pmap_t); void pmap_pinit2 (pmap_t); void pmap_protect (pmap_t, vm_offset_t, vm_offset_t, vm_prot_t); void pmap_qenter (vm_offset_t, vm_page_t *, int); void pmap_qenter2 (vm_offset_t, vm_page_t *, int, cpumask_t *); void pmap_qremove (vm_offset_t, int); void pmap_kenter (vm_offset_t, vm_paddr_t); void pmap_kenter_quick (vm_offset_t, vm_paddr_t); void pmap_kenter_sync (vm_offset_t); void pmap_kenter_sync_quick (vm_offset_t); void pmap_kremove (vm_offset_t); void pmap_kremove_quick (vm_offset_t); void pmap_reference (pmap_t); void pmap_release (pmap_t); void pmap_remove (pmap_t, vm_offset_t, vm_offset_t); void pmap_remove_pages (pmap_t, vm_offset_t, vm_offset_t); void pmap_zero_page (vm_paddr_t); void pmap_page_assertzero (vm_paddr_t); void pmap_zero_page_area (vm_paddr_t, int off, int size); void pmap_prefault (pmap_t, vm_offset_t, vm_map_entry_t); int pmap_mincore (pmap_t pmap, vm_offset_t addr); void pmap_init_proc (struct proc *p, struct thread *td); void pmap_init_thread (struct thread *td); struct thread *pmap_dispose_proc (struct proc *p); void pmap_swapout_proc (struct proc *p); void pmap_swapin_proc (struct proc *p); void pmap_activate (struct proc *p); vm_offset_t pmap_addr_hint (vm_object_t obj, vm_offset_t addr, vm_size_t size); void *pmap_kenter_temporary (vm_paddr_t pa, int i); void pmap_init2 (void); #endif /* _KERNEL */ #endif /* _PMAP_VM_ */