1 /* $NetBSD: privahdi.h,v 1.1.1.1 2000/08/07 09:23:41 leo 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/param.h> 40 #include <sys/disklabel.h> 41 #include <machine/ahdilabel.h> 42 43 /* Flags for ahdi_readlabel() */ 44 #define FORCE_AHDI 0x01 /* Read AHDI label when NetBSD label exists */ 45 #define AHDI_IGN_EXISTS 0x02 /* Ignore partition exists flag (ICD tools) */ 46 #define AHDI_IGN_EXT 0x04 /* Ignore last extended parition (HDDriver) */ 47 #define AHDI_IGN_CKSUM 0x08 /* Ignore checksum mismatch on root sector */ 48 #define AHDI_IGN_SPU 0x10 /* Ignore total sectors mismatch */ 49 50 /* Flags for ahdi_writelabel() */ 51 #define AHDI_KEEP_BOOT 0x01 /* Keep boot sector */ 52 #define AHDI_KEEP_BSL 0x02 /* Keep bad sector list */ 53 #define AHDI_KEEP_NBDA 0x04 /* Keep NetBSD label */ 54 55 struct ptable_part { 56 u_int8_t flag; /* partition flag */ 57 u_int8_t id[3]; /* id: GEM, BGM, NBD, ... */ 58 u_int32_t root; /* root sector */ 59 u_int32_t start; /* start sector */ 60 u_int32_t size; /* size in sectors */ 61 int letter; /* partition letter */ 62 }; 63 64 struct ahdi_ptable { 65 u_int32_t nsectors; /* number of sectors/track */ 66 u_int32_t ntracks; /* number of tracks/cylinder */ 67 u_int32_t ncylinders; /* number of cylinders */ 68 u_int32_t secpercyl; /* number of sectors/cylinder */ 69 u_int32_t secperunit; /* number of total sectors */ 70 int nparts; /* number of partitions */ 71 struct ptable_part parts[MAXPARTITIONS]; 72 }; 73 74 int ahdi_buildlabel __P((struct ahdi_ptable *)); 75 int ahdi_checklabel __P((struct ahdi_ptable *)); 76 int ahdi_readlabel __P((struct ahdi_ptable *, char *, int)); 77 int ahdi_writedisktab __P((struct ahdi_ptable *, char *, char *, char *)); 78 int ahdi_writelabel __P((struct ahdi_ptable *, char *, int)); 79 80 extern int ahdi_errp1, ahdi_errp2; 81 82 /* Internal functions */ 83 u_int16_t ahdi_cksum __P((void *)); 84 void assign_letters __P((struct ahdi_ptable *)); 85 int check_magic __P((int, u_int, int)); 86 int dkcksum __P((struct disklabel *)); 87 void *disk_read __P((int, u_int, u_int)); 88 int disk_write __P((int, u_int, u_int, void *)); 89 int invalidate_netbsd_label __P((int, u_int32_t)); 90 int openraw __P((const char *, int)); 91 struct disklabel *read_dl __P((int)); 92 int read_rsec __P((int, struct ahdi_ptable *, u_int, 93 u_int, int)); 94 int write_bsl __P((int)); 95