1 /* $NetBSD: privahdi.h,v 1.4 2020/09/29 02:49:55 msaitoh Exp $ */ 2 3 /* 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Julian Coleman, Waldi Ravens and Leo Weppelman. 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 #include <sys/param.h> 33 #include <sys/disklabel.h> 34 #include <machine/ahdilabel.h> 35 36 /* Flags for ahdi_readlabel() */ 37 #define FORCE_AHDI 0x01 /* Read AHDI label when NetBSD label exists */ 38 #define AHDI_IGN_EXISTS 0x02 /* Ignore partition exists flag (ICD tools) */ 39 #define AHDI_IGN_EXT 0x04 /* Ignore last extended partition (HDDriver) */ 40 #define AHDI_IGN_CKSUM 0x08 /* Ignore checksum mismatch on root sector */ 41 #define AHDI_IGN_SPU 0x10 /* Ignore total sectors mismatch */ 42 43 /* Flags for ahdi_writelabel() */ 44 #define AHDI_KEEP_BOOT 0x01 /* Keep boot sector */ 45 #define AHDI_KEEP_BSL 0x02 /* Keep bad sector list */ 46 #define AHDI_KEEP_NBDA 0x04 /* Keep NetBSD label */ 47 48 struct ptable_part { 49 u_int8_t flag; /* partition flag */ 50 u_int8_t id[3]; /* id: GEM, BGM, NBD, ... */ 51 u_int32_t root; /* root sector */ 52 u_int32_t start; /* start sector */ 53 u_int32_t size; /* size in sectors */ 54 int letter; /* partition letter */ 55 }; 56 57 struct ahdi_ptable { 58 u_int32_t nsectors; /* number of sectors/track */ 59 u_int32_t ntracks; /* number of tracks/cylinder */ 60 u_int32_t ncylinders; /* number of cylinders */ 61 u_int32_t secpercyl; /* number of sectors/cylinder */ 62 u_int32_t secperunit; /* number of total sectors */ 63 int nparts; /* number of partitions */ 64 struct ptable_part parts[MAXPARTITIONS]; 65 }; 66 67 int ahdi_buildlabel(struct ahdi_ptable *); 68 int ahdi_checklabel(struct ahdi_ptable *); 69 int ahdi_readlabel(struct ahdi_ptable *, char *, int); 70 int ahdi_writedisktab(struct ahdi_ptable *, char *, char *, char *); 71 int ahdi_writelabel(struct ahdi_ptable *, char *, int); 72 73 extern int ahdi_errp1, ahdi_errp2; 74 75 /* Internal functions */ 76 u_int16_t ahdi_cksum(void *); 77 void assign_letters(struct ahdi_ptable *); 78 int check_magic(int, u_int, int); 79 int dkcksum(struct disklabel *); 80 void *disk_read(int, u_int, u_int); 81 int disk_write(int, u_int, u_int, void *); 82 int invalidate_netbsd_label(int, u_int32_t); 83 int openraw(const char *, int); 84 struct disklabel *read_dl(int); 85 int read_rsec(int, struct ahdi_ptable *, u_int, 86 u_int, int); 87 int write_bsl(int); 88