xref: /onnv-gate/usr/src/uts/common/sys/var.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #ifndef _SYS_VAR_H
31*0Sstevel@tonic-gate #define	_SYS_VAR_H
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #ifdef	__cplusplus
36*0Sstevel@tonic-gate extern "C" {
37*0Sstevel@tonic-gate #endif
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate /*
40*0Sstevel@tonic-gate  * System Configuration Information
41*0Sstevel@tonic-gate  */
42*0Sstevel@tonic-gate struct var {
43*0Sstevel@tonic-gate 	int	v_buf;		/* Nbr of I/O buffers.			*/
44*0Sstevel@tonic-gate 	int	v_call;		/* Nbr of callout (timeout) entries.	*/
45*0Sstevel@tonic-gate 	int	v_proc;		/* Max processes system wide		*/
46*0Sstevel@tonic-gate 	int	v_maxupttl;	/* Max user processes system wide	*/
47*0Sstevel@tonic-gate 	int	v_nglobpris;	/* Nbr of global sched prios configured	*/
48*0Sstevel@tonic-gate 	int	v_maxsyspri;	/* Max global pri used by sys class.	*/
49*0Sstevel@tonic-gate 	int	v_clist;	/* Nbr of clists allocated.		*/
50*0Sstevel@tonic-gate 	int	v_maxup;	/* Max number of processes per user.	*/
51*0Sstevel@tonic-gate 	int	v_hbuf;		/* Nbr of hash buffers to allocate.	*/
52*0Sstevel@tonic-gate 	int	v_hmask;	/* Hash mask for buffers.		*/
53*0Sstevel@tonic-gate 	int	v_pbuf;		/* Nbr of physical I/O buffers.		*/
54*0Sstevel@tonic-gate 	int	v_sptmap;	/* Size of system virtual space		*/
55*0Sstevel@tonic-gate 				/* allocation map.			*/
56*0Sstevel@tonic-gate 	int	v_maxpmem;	/* The maximum physical memory to use.	*/
57*0Sstevel@tonic-gate 				/* If v_maxpmem == 0, then use all	*/
58*0Sstevel@tonic-gate 				/* available physical memory.		*/
59*0Sstevel@tonic-gate 				/* Otherwise, value is amount of mem to	*/
60*0Sstevel@tonic-gate 				/* use specified in pages.		*/
61*0Sstevel@tonic-gate 	int	v_autoup;	/* The age a delayed-write buffer must	*/
62*0Sstevel@tonic-gate 				/* be in seconds before bdflush will	*/
63*0Sstevel@tonic-gate 				/* write it out.			*/
64*0Sstevel@tonic-gate 	int	v_bufhwm;	/* high-water-mark of buffer cache	*/
65*0Sstevel@tonic-gate 				/* memory usage, in units of K Bytes	*/
66*0Sstevel@tonic-gate };
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate extern struct var v;
69*0Sstevel@tonic-gate 
70*0Sstevel@tonic-gate #ifdef	__cplusplus
71*0Sstevel@tonic-gate }
72*0Sstevel@tonic-gate #endif
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate #endif	/* _SYS_VAR_H */
75