/* $OpenBSD: sun_disklabel.h,v 1.6 1996/12/11 13:36:11 deraadt Exp $ */ /* $NetBSD: sun_disklabel.h,v 1.6 1996/01/07 22:03:09 thorpej Exp $ */ /* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Lawrence Berkeley Laboratory. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)sun_disklabel.h 8.1 (Berkeley) 6/11/93 */ /* * SunOS disk label layout (only relevant portions discovered here). */ #define SUN_DKMAGIC 55998 /* These are the guys that Sun's dkinfo needs... */ #define DKIOCGGEOM _IOR('d', 2, struct sun_dkgeom) /* geometry info */ #define DKIOCINFO _IOR('d', 8, struct sun_dkctlr) /* controller info */ #define DKIOCGPART _IOR('d', 4, struct sun_dkpart) /* partition info */ /* geometry info */ struct sun_dkgeom { u_short sdkc_ncylinders; /* data cylinders */ u_short sdkc_acylinders; /* alternate cylinders */ u_short sdkc_xxx1; u_short sdkc_ntracks; /* tracks per cylinder */ u_short sdkc_xxx2; u_short sdkc_nsectors; /* sectors per track */ u_short sdkc_interleave; /* interleave factor */ u_short sdkc_xxx3; u_short sdkc_xxx4; u_short sdkc_sparespercyl; /* spare sectors per cylinder */ u_short sdkc_rpm; /* rotational speed */ u_short sdkc_pcylinders; /* physical cylinders */ u_short sdkc_xxx5[7]; }; /* controller info */ struct sun_dkctlr { int sdkc_addr; /* controller address */ short sdkc_unit; /* unit (slave) address */ short sdkc_type; /* controller type */ short sdkc_flags; /* flags */ }; /* partition info */ struct sun_dkpart { long sdkp_cyloffset; /* starting cylinder */ long sdkp_nsectors; /* number of sectors */ }; #define SUNXPART 8 #define SL_XPMAG (0x199d1fe2+SUNXPART) struct sun_disklabel { /* total size = 512 bytes */ char sl_text[128]; u_long sl_xpsum; /* additive cksum, [sl_xpmag,sl_xxx1) */ u_long sl_xpmag; /* "extended" magic number */ struct sun_dkpart sl_xpart[SUNXPART]; /* "extended" partitions, i through p */ char sl_xxx1[292-8-(8*SUNXPART)]; /* [292] including sl_x* */ u_short sl_rpm; /* rotational speed */ u_short sl_pcylinders; /* number of physical cyls */ u_short sl_sparespercyl; /* spare sectors per cylinder */ char sl_xxx3[4]; u_short sl_interleave; /* interleave factor */ u_short sl_ncylinders; /* data cylinders */ u_short sl_acylinders; /* alternate cylinders */ u_short sl_ntracks; /* tracks per cylinder */ u_short sl_nsectors; /* sectors per track */ char sl_xxx4[4]; struct sun_dkpart sl_part[8]; /* partition layout */ u_short sl_magic; /* == SUN_DKMAGIC */ u_short sl_cksum; /* xor checksum of all shorts */ }; #define SUN_LABELOFFSET 128 #ifdef _KERNEL /* reads sun label in sector at [cp..cp+511] and sets *lp to BSD label */ int sun_disklabel __P((caddr_t, struct disklabel *)); /* true on success */ /* compatability dk ioctl's */ int sun_dkioctl __P((struct disk *, u_long, caddr_t, int)); #endif