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 * Copyright 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 #ifndef _SYS_MKDEV_H 31 #define _SYS_MKDEV_H 32 33 #pragma ident "%Z%%M% %I% %E% SMI" 34 35 #include <sys/types.h> 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 /* 42 * SVR3/Pre-EFT device number constants. 43 */ 44 #define ONBITSMAJOR 7 /* # of SVR3 major device bits */ 45 #define ONBITSMINOR 8 /* # of SVR3 minor device bits */ 46 #define OMAXMAJ 0x7f /* SVR3 max major value */ 47 #define OMAXMIN 0xff /* SVR3 max major value */ 48 49 /* 50 * 32-bit Solaris device major/minor sizes. 51 */ 52 #define NBITSMAJOR32 14 53 #define NBITSMINOR32 18 54 #define MAXMAJ32 0x3ffful /* SVR4 max major value */ 55 #define MAXMIN32 0x3fffful /* SVR4 max minor value */ 56 57 #ifdef _LP64 58 59 #define NBITSMAJOR64 32 /* # of major device bits in 64-bit Solaris */ 60 #define NBITSMINOR64 32 /* # of minor device bits in 64-bit Solaris */ 61 #define MAXMAJ64 0xfffffffful /* max major value */ 62 #define MAXMIN64 0xfffffffful /* max minor value */ 63 64 #define NBITSMAJOR NBITSMAJOR64 65 #define NBITSMINOR NBITSMINOR64 66 #define MAXMAJ MAXMAJ64 67 #define MAXMIN MAXMIN64 68 69 #else /* !_LP64 */ 70 71 #define NBITSMAJOR NBITSMAJOR32 72 #define NBITSMINOR NBITSMINOR32 73 #define MAXMAJ MAXMAJ32 74 #define MAXMIN MAXMIN32 75 76 #endif /* !_LP64 */ 77 78 #if !defined(_KERNEL) 79 80 /* 81 * Undefine sysmacros.h device macros. 82 */ 83 #undef makedev 84 #undef major 85 #undef minor 86 87 #if defined(__STDC__) 88 89 extern dev_t makedev(const major_t, const minor_t); 90 extern major_t major(const dev_t); 91 extern minor_t minor(const dev_t); 92 extern dev_t __makedev(const int, const major_t, const minor_t); 93 extern major_t __major(const int, const dev_t); 94 extern minor_t __minor(const int, const dev_t); 95 96 #else 97 98 extern dev_t makedev(); 99 extern major_t major(); 100 extern minor_t minor(); 101 extern dev_t __makedev(); 102 extern major_t __major(); 103 extern minor_t __minor(); 104 105 #endif /* defined(__STDC__) */ 106 107 #define OLDDEV 0 /* old device format */ 108 #define NEWDEV 1 /* new device format */ 109 110 #define makedev(maj, min) (__makedev(NEWDEV, maj, min)) 111 #define major(dev) (__major(NEWDEV, dev)) 112 #define minor(dev) (__minor(NEWDEV, dev)) 113 114 #endif /* !defined(_KERNEL) */ 115 116 #ifdef __cplusplus 117 } 118 #endif 119 120 #endif /* _SYS_MKDEV_H */ 121