1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 1992 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ 28*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */ 29*0Sstevel@tonic-gate /* All Rights Reserved */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate /* 32*0Sstevel@tonic-gate * (c) Copyright INTERACTIVE Systems Corporation 1986, 1988, 1990 33*0Sstevel@tonic-gate * All rights reserved. 34*0Sstevel@tonic-gate */ 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #ifndef _SYS_DKTP_ALTSCTR_H 37*0Sstevel@tonic-gate #define _SYS_DKTP_ALTSCTR_H 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate #ifdef __cplusplus 42*0Sstevel@tonic-gate extern "C" { 43*0Sstevel@tonic-gate #endif 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate /* alternate sector partition information table */ 46*0Sstevel@tonic-gate struct alts_parttbl { 47*0Sstevel@tonic-gate long alts_sanity; /* to validate correctness */ 48*0Sstevel@tonic-gate long alts_version; /* version number */ 49*0Sstevel@tonic-gate daddr_t alts_map_base; /* disk offset of alts_partmap */ 50*0Sstevel@tonic-gate long alts_map_len; /* byte length of alts_partmap */ 51*0Sstevel@tonic-gate daddr_t alts_ent_base; /* disk offset of alts_entry */ 52*0Sstevel@tonic-gate long alts_ent_used; /* number of alternate entries used */ 53*0Sstevel@tonic-gate long alts_ent_end; /* disk offset of top of alts_entry */ 54*0Sstevel@tonic-gate daddr_t alts_resv_base; /* disk offset of alts_reserved */ 55*0Sstevel@tonic-gate long alts_pad[5]; /* reserved fields */ 56*0Sstevel@tonic-gate }; 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate /* alternate sector remap entry table */ 59*0Sstevel@tonic-gate struct alts_ent { 60*0Sstevel@tonic-gate daddr_t bad_start; /* starting bad sector number */ 61*0Sstevel@tonic-gate daddr_t bad_end; /* ending bad sector number */ 62*0Sstevel@tonic-gate daddr_t good_start; /* starting alternate sector to use */ 63*0Sstevel@tonic-gate }; 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate /* size of alternate partition table structure */ 66*0Sstevel@tonic-gate #define ALTS_PARTTBL_SIZE sizeof (struct alts_parttbl) 67*0Sstevel@tonic-gate /* size of alternate entry table structure */ 68*0Sstevel@tonic-gate #define ALTS_ENT_SIZE sizeof (struct alts_ent) 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate /* definition for alternate sector partition sector map */ 71*0Sstevel@tonic-gate #define ALTS_GOOD 0 /* good alternate sectors */ 72*0Sstevel@tonic-gate #define ALTS_BAD 1 /* bad alternate sectors */ 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate /* definition for alternate sector partition id */ 75*0Sstevel@tonic-gate #define ALTS_SANITY 0xaabbccdd /* magic number to validate alts_part */ 76*0Sstevel@tonic-gate #define ALTS_VERSION1 0x01 /* version of alts_parttbl */ 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate #define ALTS_ENT_EMPTY -1 /* empty alternate entry */ 79*0Sstevel@tonic-gate #define ALTS_MAP_UP 1 /* search forward with increasing sect# */ 80*0Sstevel@tonic-gate #define ALTS_MAP_DOWN -1 /* search backward with decreasing sect# */ 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate #ifdef __cplusplus 83*0Sstevel@tonic-gate } 84*0Sstevel@tonic-gate #endif 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate #endif /* _SYS_DKTP_ALTSCTR_H */ 87