1139825Simp/*- 21541Srgrimes * Copyright (c) 1991, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * This code is derived from software contributed to Berkeley by 61541Srgrimes * The Mach Operating System project at Carnegie-Mellon University. 71541Srgrimes * 81541Srgrimes * Redistribution and use in source and binary forms, with or without 91541Srgrimes * modification, are permitted provided that the following conditions 101541Srgrimes * are met: 111541Srgrimes * 1. Redistributions of source code must retain the above copyright 121541Srgrimes * notice, this list of conditions and the following disclaimer. 131541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141541Srgrimes * notice, this list of conditions and the following disclaimer in the 151541Srgrimes * documentation and/or other materials provided with the distribution. 161541Srgrimes * 4. Neither the name of the University nor the names of its contributors 171541Srgrimes * may be used to endorse or promote products derived from this software 181541Srgrimes * without specific prior written permission. 191541Srgrimes * 201541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 211541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 221541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 231541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 241541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 251541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 261541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 271541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 281541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 291541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 301541Srgrimes * SUCH DAMAGE. 311541Srgrimes * 321817Sdg * from: @(#)vm_param.h 8.1 (Berkeley) 6/11/93 331541Srgrimes * 341541Srgrimes * 351541Srgrimes * Copyright (c) 1987, 1990 Carnegie-Mellon University. 361541Srgrimes * All rights reserved. 371541Srgrimes * 381541Srgrimes * Authors: Avadis Tevanian, Jr., Michael Wayne Young 395455Sdg * 401541Srgrimes * Permission to use, copy, modify and distribute this software and 411541Srgrimes * its documentation is hereby granted, provided that both the copyright 421541Srgrimes * notice and this permission notice appear in all copies of the 431541Srgrimes * software, derivative works or modified versions, and any portions 441541Srgrimes * thereof, and that both notices appear in supporting documentation. 455455Sdg * 465455Sdg * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 475455Sdg * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 481541Srgrimes * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 495455Sdg * 501541Srgrimes * Carnegie Mellon requests users of this software to return to 511541Srgrimes * 521541Srgrimes * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 531541Srgrimes * School of Computer Science 541541Srgrimes * Carnegie Mellon University 551541Srgrimes * Pittsburgh PA 15213-3890 561541Srgrimes * 571541Srgrimes * any improvements or extensions that they make and grant Carnegie the 581541Srgrimes * rights to redistribute these changes. 591817Sdg * 6050477Speter * $FreeBSD$ 611541Srgrimes */ 621541Srgrimes 631541Srgrimes/* 641541Srgrimes * Machine independent virtual memory parameters. 651541Srgrimes */ 661541Srgrimes 671541Srgrimes#ifndef _VM_PARAM_ 681541Srgrimes#define _VM_PARAM_ 691541Srgrimes 701541Srgrimes#include <machine/vmparam.h> 711541Srgrimes 721541Srgrimes/* 731541Srgrimes * CTL_VM identifiers 741541Srgrimes */ 75109097Sdillon#define VM_TOTAL 1 /* struct vmtotal */ 76109496Sobrien#define VM_METER VM_TOTAL/* deprecated, use VM_TOTAL */ 775455Sdg#define VM_LOADAVG 2 /* struct loadavg */ 785455Sdg#define VM_V_FREE_MIN 3 /* cnt.v_free_min */ 795455Sdg#define VM_V_FREE_TARGET 4 /* cnt.v_free_target */ 805455Sdg#define VM_V_FREE_RESERVED 5 /* cnt.v_free_reserved */ 815455Sdg#define VM_V_INACTIVE_TARGET 6 /* cnt.v_inactive_target */ 82168851Salc#define VM_V_CACHE_MIN 7 /* cnt.v_cache_min */ 83168851Salc#define VM_V_CACHE_MAX 8 /* cnt.v_cache_max */ 845455Sdg#define VM_V_PAGEOUT_FREE_MIN 9 /* cnt.v_pageout_free_min */ 8516750Sdyson#define VM_PAGEOUT_ALGORITHM 10 /* pageout algorithm */ 8616750Sdyson#define VM_SWAPPING_ENABLED 11 /* swapping enabled */ 8716750Sdyson#define VM_MAXID 12 /* number of valid vm ids */ 881541Srgrimes 891541Srgrimes#define CTL_VM_NAMES { \ 901541Srgrimes { 0, 0 }, \ 91109097Sdillon { "vmtotal", CTLTYPE_STRUCT }, \ 921541Srgrimes { "loadavg", CTLTYPE_STRUCT }, \ 93172700Sru { "v_free_min", CTLTYPE_UINT }, \ 94172700Sru { "v_free_target", CTLTYPE_UINT }, \ 95172700Sru { "v_free_reserved", CTLTYPE_UINT }, \ 96172700Sru { "v_inactive_target", CTLTYPE_UINT }, \ 97172700Sru { "v_cache_min", CTLTYPE_UINT }, \ 98172700Sru { "v_cache_max", CTLTYPE_UINT }, \ 99172700Sru { "v_pageout_free_min", CTLTYPE_UINT}, \ 10016750Sdyson { "pageout_algorithm", CTLTYPE_INT}, \ 101172700Sru { "swap_enabled", CTLTYPE_INT},\ 1021541Srgrimes} 1031541Srgrimes 1045455Sdg/* 10577604Stmm * Structure for swap device statistics 10677604Stmm */ 10777604Stmm#define XSWDEV_VERSION 1 10877604Stmmstruct xswdev { 10977604Stmm u_int xsw_version; 110130640Sphk dev_t xsw_dev; 11177604Stmm int xsw_flags; 11277604Stmm int xsw_nblks; 11377604Stmm int xsw_used; 11477604Stmm}; 11577604Stmm 11677604Stmm/* 1171541Srgrimes * Return values from the VM routines. 1181541Srgrimes */ 1191541Srgrimes#define KERN_SUCCESS 0 1201541Srgrimes#define KERN_INVALID_ADDRESS 1 1211541Srgrimes#define KERN_PROTECTION_FAILURE 2 1221541Srgrimes#define KERN_NO_SPACE 3 1231541Srgrimes#define KERN_INVALID_ARGUMENT 4 1241541Srgrimes#define KERN_FAILURE 5 1251541Srgrimes#define KERN_RESOURCE_SHORTAGE 6 1261541Srgrimes#define KERN_NOT_RECEIVER 7 1271541Srgrimes#define KERN_NO_ACCESS 8 1281541Srgrimes 129207410Skmacy#ifndef PA_LOCK_COUNT 130207410Skmacy#ifdef SMP 131207410Skmacy#define PA_LOCK_COUNT 32 132207410Skmacy#else 133207410Skmacy#define PA_LOCK_COUNT 1 134207410Skmacy#endif /* !SMP */ 135207410Skmacy#endif /* !PA_LOCK_COUNT */ 136207410Skmacy 1371541Srgrimes#ifndef ASSEMBLER 13855206Speter#ifdef _KERNEL 1391541Srgrimes#define num_pages(x) \ 1401541Srgrimes ((vm_offset_t)((((vm_offset_t)(x)) + PAGE_MASK) >> PAGE_SHIFT)) 141137393Sdesextern unsigned long maxtsiz; 142137393Sdesextern unsigned long dfldsiz; 143137393Sdesextern unsigned long maxdsiz; 144137393Sdesextern unsigned long dflssiz; 145137393Sdesextern unsigned long maxssiz; 146137393Sdesextern unsigned long sgrowsiz; 14755206Speter#endif /* _KERNEL */ 1485455Sdg#endif /* ASSEMBLER */ 1495455Sdg#endif /* _VM_PARAM_ */ 150