xref: /onnv-gate/usr/src/cmd/format/param.h (revision 7563:84ec90ffc3f7)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
55786Sqd208687  * Common Development and Distribution License (the "License").
65786Sqd208687  * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate  *
80Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate  * See the License for the specific language governing permissions
110Sstevel@tonic-gate  * and limitations under the License.
120Sstevel@tonic-gate  *
130Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate  *
190Sstevel@tonic-gate  * CDDL HEADER END
200Sstevel@tonic-gate  */
210Sstevel@tonic-gate 
220Sstevel@tonic-gate /*
235786Sqd208687  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
245786Sqd208687  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
270Sstevel@tonic-gate #ifndef	_PARAM_H
280Sstevel@tonic-gate #define	_PARAM_H
290Sstevel@tonic-gate 
300Sstevel@tonic-gate #ifdef	__cplusplus
310Sstevel@tonic-gate extern "C" {
320Sstevel@tonic-gate #endif
330Sstevel@tonic-gate 
345786Sqd208687 #ifndef UINT16_MAX
355786Sqd208687 #define	UINT16_MAX	0xffffU
365786Sqd208687 #endif
375786Sqd208687 
38*7563SPrasad.Singamsetty@Sun.COM #ifndef UINT32_MAX
39*7563SPrasad.Singamsetty@Sun.COM #define	UINT32_MAX	0xffffffffU
40*7563SPrasad.Singamsetty@Sun.COM #endif
41*7563SPrasad.Singamsetty@Sun.COM 
42*7563SPrasad.Singamsetty@Sun.COM #ifndef INT32_MAX
43*7563SPrasad.Singamsetty@Sun.COM #define	INT32_MAX	0x7fffffff
44*7563SPrasad.Singamsetty@Sun.COM #endif
45*7563SPrasad.Singamsetty@Sun.COM 
460Sstevel@tonic-gate /*
470Sstevel@tonic-gate  * This file contains declarations of miscellaneous parameters.
480Sstevel@tonic-gate  */
490Sstevel@tonic-gate #ifndef	SECSIZE
500Sstevel@tonic-gate #define	SECSIZE		DEV_BSIZE
510Sstevel@tonic-gate #endif
520Sstevel@tonic-gate 
530Sstevel@tonic-gate #define	MAX_CYLS	(0x10000 - 1)		/* max legal cylinder count */
540Sstevel@tonic-gate #define	MAX_HEADS	(0x10000 - 1)		/* max legal head count */
550Sstevel@tonic-gate #define	MAX_SECTS	(0x10000 - 1)		/* max legal sector count */
560Sstevel@tonic-gate 
570Sstevel@tonic-gate #define	MIN_RPM		2000			/* min legal rpm */
580Sstevel@tonic-gate #define	AVG_RPM		3600			/* default rpm */
590Sstevel@tonic-gate #define	MAX_RPM		76000			/* max legal rpm */
600Sstevel@tonic-gate 
610Sstevel@tonic-gate #define	MIN_BPS		512			/* min legal bytes/sector */
620Sstevel@tonic-gate #define	AVG_BPS		600			/* default bytes/sector */
630Sstevel@tonic-gate #define	MAX_BPS		1000			/* max legal bytes/sector */
640Sstevel@tonic-gate 
65*7563SPrasad.Singamsetty@Sun.COM #define	INFINITY	0xffffffffU		/* a big number */
660Sstevel@tonic-gate 
675786Sqd208687 #define	MAXBLKS(heads, spt)	UINT16_MAX * heads * spt, heads, spt
680Sstevel@tonic-gate #ifdef	__cplusplus
690Sstevel@tonic-gate }
700Sstevel@tonic-gate #endif
710Sstevel@tonic-gate 
720Sstevel@tonic-gate #endif	/* _PARAM_H */
73