diff options
| author | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 | 
|---|---|---|
| committer | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 | 
| commit | 7c478bd95313f5f23a4c958a745db2134aa03244 (patch) | |
| tree | c871e58545497667cbb4b0a4f2daf204743e1fe7 /usr/src/lib/libbc/libc/sys/common/s5sysmacros.h | |
| download | illumos-joyent-7c478bd95313f5f23a4c958a745db2134aa03244.tar.gz | |
OpenSolaris Launch
Diffstat (limited to 'usr/src/lib/libbc/libc/sys/common/s5sysmacros.h')
| -rw-r--r-- | usr/src/lib/libbc/libc/sys/common/s5sysmacros.h | 43 | 
1 files changed, 43 insertions, 0 deletions
| diff --git a/usr/src/lib/libbc/libc/sys/common/s5sysmacros.h b/usr/src/lib/libbc/libc/sys/common/s5sysmacros.h new file mode 100644 index 0000000000..3e59830f32 --- /dev/null +++ b/usr/src/lib/libbc/libc/sys/common/s5sysmacros.h @@ -0,0 +1,43 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License").  You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 1993 Sun Microsystems, Inc.  All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident	"%Z%%M%	%I%	%E% SMI" + +#define L_BITSMAJOR     14      /* # of SVR4 major device bits */ +#define L_BITSMINOR     18      /* # of SVR4 minor device bits */ +#define L_MAXMIN        0x3ffff /* MAX minor for 3b2 software drivers. +                                ** For 3b2 hardware devices the minor is +                                ** restricted to 256 (0-255) +                                */ +#define O_BITSMINOR     8       /* # of SunOS 4.x minor device bits */ +#define O_MAXMAJ        0xff    /* SunOS 4.x max major value */ +#define O_MAXMIN        0xff    /* SunOS 4.x max minor value */ + +/* convert to old dev format */ + +#define cmpdev(x)       (unsigned long)((((x)>>L_BITSMINOR) > O_MAXMAJ || \ +                                ((x)&L_MAXMIN) > O_MAXMIN) ? NODEV : \ +                                ((((x)>>L_BITSMINOR)<<O_BITSMINOR)|((x)&O_MAXMIN))) | 
