1 /* $NetBSD: disklabel.h,v 1.2 2022/05/24 19:37:39 andvar Exp $ */ 2 3 /*- 4 * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas of 3am Software Foundry. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _OR1K_DISKLABEL_H_ 33 #define _OR1K_DISKLABEL_H_ 34 35 #define LABELUSESMBR 1 /* use MBR partitionning */ 36 #define LABELSECTOR 1 /* sector containing label */ 37 #define LABELOFFSET 0 /* offset of label in sector */ 38 #define MAXPARTITIONS 16 /* number of partitions */ 39 #define RAW_PART 2 /* raw partition: XX?c */ 40 41 #if HAVE_NBTOOL_CONFIG_H 42 #include <nbinclude/sys/dkbad.h> 43 #include <nbinclude/sys/bootblock.h> 44 #else 45 #include <sys/dkbad.h> 46 #include <sys/bootblock.h> 47 #endif /* HAVE_NBTOOL_CONFIG_H */ 48 49 struct cpu_disklabel { 50 struct mbr_partition mbrparts[MBR_PART_COUNT]; 51 #define __HAVE_DISKLABEL_DKBAD 52 struct dkbad bad; 53 }; 54 55 #ifdef _KERNEL 56 struct buf; 57 struct disklabel; 58 59 /* for readdisklabel. rv != 0 -> matches, msg == NULL -> success */ 60 int mbr_label_read(dev_t, void (*)(struct buf *), struct disklabel *, 61 struct cpu_disklabel *, const char **, int *, int *); 62 63 /* for writedisklabel. rv == 0 -> doesn't match, rv > 0 -> success */ 64 int mbr_label_locate(dev_t, void (*)(struct buf *), 65 struct disklabel *, struct cpu_disklabel *, int *, int *); 66 #endif /* _KERNEL */ 67 68 #endif /* _OR1K_DISKLABEL_H_ */ 69