1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 23 /* 24 * Copyright (c) 1991-2001 by Sun Microsystems, Inc. 25 */ 26 27 #ifndef _PARAM_H 28 #define _PARAM_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * This file contains declarations of miscellaneous parameters. 38 */ 39 #ifndef SECSIZE 40 #define SECSIZE DEV_BSIZE 41 #endif 42 43 #define MAX_CYLS (0x10000 - 1) /* max legal cylinder count */ 44 #define MAX_HEADS (0x10000 - 1) /* max legal head count */ 45 #define MAX_SECTS (0x10000 - 1) /* max legal sector count */ 46 47 #define MIN_RPM 2000 /* min legal rpm */ 48 #define AVG_RPM 3600 /* default rpm */ 49 #define MAX_RPM 76000 /* max legal rpm */ 50 51 #define MIN_BPS 512 /* min legal bytes/sector */ 52 #define AVG_BPS 600 /* default bytes/sector */ 53 #define MAX_BPS 1000 /* max legal bytes/sector */ 54 55 #define INFINITY 0x7fffffff /* a big number */ 56 57 #ifdef __cplusplus 58 } 59 #endif 60 61 #endif /* _PARAM_H */ 62