1139825Simp/*- 21541Srgrimes * Copyright (c) 1991, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 4. Neither the name of the University nor the names of its contributors 141541Srgrimes * may be used to endorse or promote products derived from this software 151541Srgrimes * without specific prior written permission. 161541Srgrimes * 171541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271541Srgrimes * SUCH DAMAGE. 281541Srgrimes * 291541Srgrimes * @(#)vm.h 8.2 (Berkeley) 12/13/93 3052635Sphk * @(#)vm_prot.h 8.1 (Berkeley) 6/11/93 3152635Sphk * @(#)vm_inherit.h 8.1 (Berkeley) 6/11/93 3252635Sphk * 3352635Sphk * Copyright (c) 1987, 1990 Carnegie-Mellon University. 3452635Sphk * All rights reserved. 3552635Sphk * 3652635Sphk * Authors: Avadis Tevanian, Jr., Michael Wayne Young 3752635Sphk * 3852635Sphk * Permission to use, copy, modify and distribute this software and 3952635Sphk * its documentation is hereby granted, provided that both the copyright 4052635Sphk * notice and this permission notice appear in all copies of the 4152635Sphk * software, derivative works or modified versions, and any portions 4252635Sphk * thereof, and that both notices appear in supporting documentation. 4352635Sphk * 4452635Sphk * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 4552635Sphk * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 4652635Sphk * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 4752635Sphk * 4852635Sphk * Carnegie Mellon requests users of this software to return to 4952635Sphk * 5052635Sphk * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 5152635Sphk * School of Computer Science 5252635Sphk * Carnegie Mellon University 5352635Sphk * Pittsburgh PA 15213-3890 5452635Sphk * 5552635Sphk * any improvements or extensions that they make and grant Carnegie the 5652635Sphk * rights to redistribute these changes. 5752635Sphk * 5850477Speter * $FreeBSD$ 591541Srgrimes */ 601541Srgrimes 611541Srgrimes#ifndef VM_H 621541Srgrimes#define VM_H 631541Srgrimes 64195033Salc#include <machine/vm.h> 65195033Salc 6652635Sphktypedef char vm_inherit_t; /* inheritance codes */ 6752635Sphk 6852635Sphk#define VM_INHERIT_SHARE ((vm_inherit_t) 0) 6952635Sphk#define VM_INHERIT_COPY ((vm_inherit_t) 1) 7052635Sphk#define VM_INHERIT_NONE ((vm_inherit_t) 2) 7152635Sphk#define VM_INHERIT_DEFAULT VM_INHERIT_COPY 7252635Sphk 7312662Sdgtypedef u_char vm_prot_t; /* protection codes */ 741541Srgrimes 7552635Sphk#define VM_PROT_NONE ((vm_prot_t) 0x00) 7652635Sphk#define VM_PROT_READ ((vm_prot_t) 0x01) 7752635Sphk#define VM_PROT_WRITE ((vm_prot_t) 0x02) 7852635Sphk#define VM_PROT_EXECUTE ((vm_prot_t) 0x04) 79199819Salc#define VM_PROT_COPY ((vm_prot_t) 0x08) /* copy-on-read */ 8052635Sphk 8152635Sphk#define VM_PROT_ALL (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE) 82107948Sdillon#define VM_PROT_RW (VM_PROT_READ|VM_PROT_WRITE) 8352635Sphk#define VM_PROT_DEFAULT VM_PROT_ALL 8452635Sphk 85144501Sjhbenum obj_type { OBJT_DEFAULT, OBJT_SWAP, OBJT_VNODE, OBJT_DEVICE, OBJT_PHYS, 86235375Skib OBJT_DEAD, OBJT_SG, OBJT_MGTDEVICE }; 87144501Sjhbtypedef u_char objtype_t; 88144501Sjhb 891541Srgrimesunion vm_map_object; 901541Srgrimestypedef union vm_map_object vm_map_object_t; 911541Srgrimes 921541Srgrimesstruct vm_map_entry; 931541Srgrimestypedef struct vm_map_entry *vm_map_entry_t; 941541Srgrimes 951541Srgrimesstruct vm_map; 961541Srgrimestypedef struct vm_map *vm_map_t; 971541Srgrimes 981541Srgrimesstruct vm_object; 991541Srgrimestypedef struct vm_object *vm_object_t; 1001541Srgrimes 10155206Speter#ifndef _KERNEL 10212642Sbde/* 10312710Sbde * This is defined in <sys/types.h> for the kernel so that non-vm kernel 10412710Sbde * sources (mainly Mach-derived ones such as ddb) don't have to include 10512710Sbde * vm stuff. Defining it there for applications might break things. 10612710Sbde * Define it here for "applications" that include vm headers (e.g., 10712710Sbde * genassym). 10812710Sbde */ 10912710Sbdetypedef int boolean_t; 11012710Sbde 11112710Sbde/* 112196615Sjhb * The exact set of memory attributes is machine dependent. However, every 113196615Sjhb * machine is required to define VM_MEMATTR_DEFAULT. 114196615Sjhb */ 115196615Sjhbtypedef char vm_memattr_t; /* memory attribute codes */ 116196615Sjhb 117196615Sjhb/* 11812642Sbde * This is defined in <sys/types.h> for the kernel so that vnode_if.h 11912642Sbde * doesn't have to include <vm/vm.h>. 12012642Sbde */ 1211541Srgrimesstruct vm_page; 1225455Sdgtypedef struct vm_page *vm_page_t; 12392029Seivind#endif /* _KERNEL */ 1241541Srgrimes 125174939Salcstruct vm_reserv; 126174939Salctypedef struct vm_reserv *vm_reserv_t; 127174939Salc 12882127Sdillon/* 12982127Sdillon * Information passed from the machine-independant VM initialization code 13082127Sdillon * for use by machine-dependant code (mainly for MMU support) 13182127Sdillon */ 13282127Sdillonstruct kva_md_info { 13382127Sdillon vm_offset_t buffer_sva; 13482127Sdillon vm_offset_t buffer_eva; 13582127Sdillon vm_offset_t clean_sva; 13682127Sdillon vm_offset_t clean_eva; 13782127Sdillon}; 13882127Sdillon 13982127Sdillonextern struct kva_md_info kmi; 14089802Sdwmaloneextern void vm_ksubmap_init(struct kva_md_info *); 14182127Sdillon 142244384Szontextern int old_mlock; 143244384Szont 144216128Straszstruct ucred; 145194766Skibint swap_reserve(vm_ooffset_t incr); 146216128Straszint swap_reserve_by_cred(vm_ooffset_t incr, struct ucred *cred); 147194766Skibvoid swap_reserve_force(vm_ooffset_t incr); 148194766Skibvoid swap_release(vm_ooffset_t decr); 149216128Straszvoid swap_release_by_cred(vm_ooffset_t decr, struct ucred *cred); 150253604Savgvoid swapper(void); 151194766Skib 1525455Sdg#endif /* VM_H */ 15382127Sdillon 154