1 /* 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * The Mach Operating System project at Carnegie-Mellon University. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)vm_param.h 8.1 (Berkeley) 6/11/93 33 * 34 * 35 * Copyright (c) 1987, 1990 Carnegie-Mellon University. 36 * All rights reserved. 37 * 38 * Authors: Avadis Tevanian, Jr., Michael Wayne Young 39 * 40 * Permission to use, copy, modify and distribute this software and 41 * its documentation is hereby granted, provided that both the copyright 42 * notice and this permission notice appear in all copies of the 43 * software, derivative works or modified versions, and any portions 44 * thereof, and that both notices appear in supporting documentation. 45 * 46 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 47 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 48 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 49 * 50 * Carnegie Mellon requests users of this software to return to 51 * 52 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 53 * School of Computer Science 54 * Carnegie Mellon University 55 * Pittsburgh PA 15213-3890 56 * 57 * any improvements or extensions that they make and grant Carnegie the 58 * rights to redistribute these changes. 59 * 60 * $FreeBSD: src/sys/vm/vm_param.h,v 1.13.2.1 2001/11/03 01:41:10 ps Exp $ 61 * $DragonFly: src/sys/vm/vm_param.h,v 1.5 2006/09/12 18:41:32 dillon Exp $ 62 */ 63 64 /* 65 * Machine independent virtual memory parameters. 66 */ 67 68 #ifndef _VM_VM_PARAM_H_ 69 #define _VM_VM_PARAM_H_ 70 71 #ifndef _SYS_TYPES_H_ 72 #include <sys/types.h> 73 #endif 74 #ifndef _MACHINE_VMPARAM_H_ 75 #include <machine/vmparam.h> 76 #endif 77 78 /* 79 * CTL_VM identifiers 80 */ 81 #define VM_METER 1 /* struct vmmeter */ 82 #define VM_LOADAVG 2 /* struct loadavg */ 83 #define VM_V_FREE_MIN 3 /* cnt.v_free_min */ 84 #define VM_V_FREE_TARGET 4 /* cnt.v_free_target */ 85 #define VM_V_FREE_RESERVED 5 /* cnt.v_free_reserved */ 86 #define VM_V_INACTIVE_TARGET 6 /* cnt.v_inactive_target */ 87 #define VM_V_CACHE_MIN 7 /* cnt.v_cache_max */ 88 #define VM_V_CACHE_MAX 8 /* cnt.v_cache_min */ 89 #define VM_V_PAGEOUT_FREE_MIN 9 /* cnt.v_pageout_free_min */ 90 #define VM_PAGEOUT_ALGORITHM 10 /* pageout algorithm */ 91 #define VM_SWAPPING_ENABLED 11 /* swapping enabled */ 92 #define VM_MAXID 12 /* number of valid vm ids */ 93 94 #define CTL_VM_NAMES { \ 95 { 0, 0 }, \ 96 { "vmmeter", CTLTYPE_STRUCT }, \ 97 { "loadavg", CTLTYPE_STRUCT }, \ 98 { "v_free_min", CTLTYPE_INT }, \ 99 { "v_free_target", CTLTYPE_INT }, \ 100 { "v_free_reserved", CTLTYPE_INT }, \ 101 { "v_inactive_target", CTLTYPE_INT }, \ 102 { "v_cache_min", CTLTYPE_INT }, \ 103 { "v_cache_max", CTLTYPE_INT }, \ 104 { "v_pageout_free_min", CTLTYPE_INT}, \ 105 { "pageout_algorithm", CTLTYPE_INT}, \ 106 { "swapping_enabled", CTLTYPE_INT},\ 107 } 108 109 /* 110 * Structure for swap device statistics 111 */ 112 #define XSWDEV_VERSION 1 113 114 struct xswdev { 115 size_t xsw_size; 116 int xsw_version; 117 int xsw_flags; 118 dev_t xsw_dev; 119 size_t xsw_blksize; 120 size_t xsw_nblks; 121 size_t xsw_used; 122 }; 123 124 /* 125 * Return values from the VM routines. 126 */ 127 #define KERN_SUCCESS 0 128 #define KERN_INVALID_ADDRESS 1 129 #define KERN_PROTECTION_FAILURE 2 130 #define KERN_NO_SPACE 3 131 #define KERN_INVALID_ARGUMENT 4 132 #define KERN_FAILURE 5 133 #define KERN_RESOURCE_SHORTAGE 6 134 #define KERN_NOT_RECEIVER 7 135 #define KERN_NO_ACCESS 8 136 #define KERN_TRY_AGAIN 9 137 #define KERN_FAILURE_NOFAULT 10 138 139 #ifndef ASSEMBLER 140 #ifdef _KERNEL 141 extern u_quad_t maxtsiz; 142 extern u_quad_t dfldsiz; 143 extern u_quad_t maxdsiz; 144 extern u_quad_t dflssiz; 145 extern u_quad_t maxssiz; 146 extern u_quad_t sgrowsiz; 147 #endif /* _KERNEL */ 148 #endif /* ASSEMBLER */ 149 #endif /* _VM_VM_PARAM_H_ */ 150