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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 27/* All Rights Reserved */ 28 29#ifndef _SYS_MKDEV_H 30#define _SYS_MKDEV_H 31 32#include <sys/types.h> 33 34#ifdef __cplusplus 35extern "C" { 36#endif 37 38/* 39 * SVR3/Pre-EFT device number constants. 40 */ 41#define ONBITSMAJOR 7 /* # of SVR3 major device bits */ 42#define ONBITSMINOR 8 /* # of SVR3 minor device bits */ 43#define OMAXMAJ 0x7f /* SVR3 max major value */ 44#define OMAXMIN 0xff /* SVR3 max major value */ 45 46/* 47 * 32-bit Solaris device major/minor sizes. 48 */ 49#define NBITSMAJOR32 14 50#define NBITSMINOR32 18 51#define MAXMAJ32 0x3ffful /* SVR4 max major value */ 52#define MAXMIN32 0x3fffful /* SVR4 max minor value */ 53 54#define NBITSMAJOR64 32 /* # of major device bits in 64-bit Solaris */ 55#define NBITSMINOR64 32 /* # of minor device bits in 64-bit Solaris */ 56 57#ifdef _LP64 58 59#define MAXMAJ64 0xfffffffful /* max major value */ 60#define MAXMIN64 0xfffffffful /* max minor value */ 61 62#define NBITSMAJOR NBITSMAJOR64 63#define NBITSMINOR NBITSMINOR64 64#define MAXMAJ MAXMAJ64 65#define MAXMIN MAXMIN64 66 67#else /* !_LP64 */ 68 69#define NBITSMAJOR NBITSMAJOR32 70#define NBITSMINOR NBITSMINOR32 71#define MAXMAJ MAXMAJ32 72#define MAXMIN MAXMIN32 73 74#endif /* !_LP64 */ 75 76#if !defined(_KERNEL) 77 78/* 79 * Undefine sysmacros.h device macros. 80 */ 81#undef makedev 82#undef major 83#undef minor 84 85#if defined(__STDC__) 86 87extern dev_t makedev(const major_t, const minor_t); 88extern major_t major(const dev_t); 89extern minor_t minor(const dev_t); 90extern dev_t __makedev(const int, const major_t, const minor_t); 91extern major_t __major(const int, const dev_t); 92extern minor_t __minor(const int, const dev_t); 93 94#else 95 96extern dev_t makedev(); 97extern major_t major(); 98extern minor_t minor(); 99extern dev_t __makedev(); 100extern major_t __major(); 101extern minor_t __minor(); 102 103#endif /* defined(__STDC__) */ 104 105#define OLDDEV 0 /* old device format */ 106#define NEWDEV 1 /* new device format */ 107 108#define makedev(maj, min) (__makedev(NEWDEV, maj, min)) 109#define major(dev) (__major(NEWDEV, dev)) 110#define minor(dev) (__minor(NEWDEV, dev)) 111 112#endif /* !defined(_KERNEL) */ 113 114#ifdef __cplusplus 115} 116#endif 117 118#endif /* _SYS_MKDEV_H */ 119