1 /* $NetBSD: disklabel.h,v 1.1 2000/06/14 15:39:57 soren Exp $ */ 2 3 /* 4 * Copyright (c) 2000 Soren S. Jorvang 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the 18 * NetBSD Project. See http://www.netbsd.org/ for 19 * information about NetBSD. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #ifndef _MACHINE_DISKLABEL_H_ 36 #define _MACHINE_DISKLABEL_H_ 37 38 /* 39 * SGI partition conventions: 40 * 41 * Partition 0 - root 42 * Partition 1 - swap 43 * Partition 6 - usr 44 * Partition 7 - volume body 45 * Partition 8 - volume header 46 * Partition 10 - whole disk 47 */ 48 49 /* 50 * XXX It might be convenient to have MAXPARTITIONS 2 like on other ports. 51 * How to sanely map partition numbers in that case? 52 */ 53 #define MAXPARTITIONS 16 54 #define RAW_PART 10 55 56 #define LABELSECTOR 0 57 #define LABELOFFSET 0 58 59 struct cpu_disklabel { 60 int cd_dummy; 61 }; 62 63 struct sgilabel { 64 #define SGILABEL_MAGIC 0xbe5a941 65 u_int32_t magic; 66 int16_t root; 67 int16_t swap; 68 char bootfile[16]; 69 char _devparms[48]; 70 struct { 71 char name[8]; 72 int32_t block; 73 int32_t bytes; 74 } voldir[15]; 75 struct { 76 int32_t blocks; 77 int32_t first; 78 int32_t type; 79 } partitions[MAXPARTITIONS]; 80 int32_t checksum; 81 int32_t _pad; 82 } __attribute__((__packed__)); 83 84 #define SGI_PTYPE_VOLHDR 0 85 #define SGI_PTYPE_RAW 3 86 #define SGI_PTYPE_VOLUME 6 87 #define SGI_PTYPE_EFS 7 88 #define SGI_PTYPE_LVOL 8 89 #define SGI_PTYPE_RLVOL 9 90 #define SGI_PTYPE_XFS 10 91 #define SGI_PTYPE_XFSLOG 11 92 #define SGI_PTYPE_XLV 12 93 #define SGI_PTYPE_XVM 13 94 95 #endif /* _MACHINE_DISKLABEL_H_ */ 96