1993-03-21 21:04:42 +03:00
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/*
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* HISTORY
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* $Log: scsi_disk.h,v $
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1993-04-12 12:19:28 +04:00
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* Revision 1.2 1993/04/12 08:19:32 deraadt
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* new scsi subsystem.
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* changes also in config/mkioconf.c
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* i386/isa/wd.c, fd.c, and all scsi drivers.
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*
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* Revision 1.1 1993/03/21 18:13:00 cgd
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1993-03-21 21:04:42 +03:00
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* after 0.2.2 "stable" patches applied
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*
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* Revision 1.2 1992/10/13 03:14:21 julian
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* added the load-eject field in 'start/stop' for removable devices.
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*
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* Revision 1.1 1992/09/26 22:11:29 julian
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* Initial revision
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*
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*
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* PATCHES MAGIC LEVEL PATCH THAT GOT US HERE
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* -------------------- ----- ----------------------
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* CURRENT PATCH LEVEL: 1 00098
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* -------------------- ----- ----------------------
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*
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* 16 Feb 93 Julian Elischer ADDED for SCSI system
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*
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*/
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/*
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* SCSI interface description
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*/
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/*
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* Some lines of this file comes from a file of the name "scsi.h"
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* distributed by OSF as part of mach2.5,
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* so the following disclaimer has been kept.
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*
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* Copyright 1990 by Open Software Foundation,
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* Grenoble, FRANCE
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*
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* All Rights Reserved
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appears in all copies and
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* that both the copyright notice and this permission notice appear in
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* supporting documentation, and that the name of OSF or Open Software
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* Foundation not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission.
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*
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* OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
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* IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
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* NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* Largely written by Julian Elischer (julian@tfs.com)
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* for TRW Financial Systems.
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*
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* TRW Financial Systems, in accordance with their agreement with Carnegie
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* Mellon University, makes this software available to CMU to distribute
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* or use in any manner that they see fit as long as this message is kept with
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* the software. For this reason TFS also grants any other persons or
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* organisations permission to use or modify this software.
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*
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* TFS supplies this software to be publicly redistributed
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* on the understanding that TFS is not responsible for the correct
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* functioning of this software in any circumstances.
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*
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*/
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/*
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* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
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*/
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/*
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* SCSI command format
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*/
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struct scsi_reassign_blocks
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{
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u_char op_code;
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u_char :5;
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u_char lun:3;
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u_char unused[3];
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u_char link:1;
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u_char flag:1;
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u_char :6;
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};
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struct scsi_rw
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{
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u_char op_code;
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u_char addr_2:5; /* Most significant */
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u_char lun:3;
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u_char addr_1;
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u_char addr_0; /* least significant */
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u_char length;
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u_char link:1;
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u_char flag:1;
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u_char :6;
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};
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struct scsi_rw_big
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{
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u_char op_code;
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u_char rel_addr:1;
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u_char :4; /* Most significant */
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u_char lun:3;
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u_char addr_3;
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u_char addr_2;
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u_char addr_1;
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u_char addr_0; /* least significant */
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u_char reserved;;
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u_char length2;
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u_char length1;
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u_char link:1;
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u_char flag:1;
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u_char :4;
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u_char vendor:2;
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};
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struct scsi_read_capacity
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{
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u_char op_code;
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u_char :5;
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u_char lun:3;
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u_char addr_3; /* Most Significant */
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u_char addr_2;
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u_char addr_1;
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u_char addr_0; /* Least Significant */
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u_char unused[3];
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u_char link:1;
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u_char flag:1;
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u_char :6;
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};
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struct scsi_start_stop
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{
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u_char op_code;
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u_char :5;
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u_char lun:3;
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u_char unused[2];
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u_char start:1;
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u_char loej:1;
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u_char :6;
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u_char link:1;
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u_char flag:1;
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u_char :6;
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};
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/*
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* Opcodes
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*/
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1993-04-12 12:19:28 +04:00
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#define FORMAT_DISK 0x04
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1993-03-21 21:04:42 +03:00
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#define REASSIGN_BLOCKS 0x07
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#define READ_COMMAND 0x08
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#define WRITE_COMMAND 0x0a
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#define MODE_SELECT 0x15
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#define MODE_SENSE 0x1a
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#define START_STOP 0x1b
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#define PREVENT_ALLOW 0x1e
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#define READ_CAPACITY 0x25
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#define READ_BIG 0x28
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#define WRITE_BIG 0x2a
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1993-04-12 12:19:28 +04:00
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struct scsi_format_parms { /* physical BFI format */
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u_short reserved;
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u_short list_len;
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struct defect {
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unsigned cyl : 24;
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unsigned head : 8;
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long bytes_from_index;
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} defect[127];
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} format_parms;
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1993-03-21 21:04:42 +03:00
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struct scsi_read_cap_data
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{
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u_char addr_3; /* Most significant */
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u_char addr_2;
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u_char addr_1;
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u_char addr_0; /* Least significant */
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u_char length_3; /* Most significant */
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u_char length_2;
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u_char length_1;
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u_char length_0; /* Least significant */
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};
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struct scsi_reassign_blocks_data
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{
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u_char reserved[2];
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u_char length_msb;
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u_char length_lsb;
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struct
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{
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u_char dlbaddr_3; /* defect logical block address (MSB) */
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u_char dlbaddr_2;
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u_char dlbaddr_1;
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u_char dlbaddr_0; /* defect logical block address (LSB) */
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} defect_descriptor[1];
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};
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union disk_pages /* this is the structure copied from osf */
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{
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struct page_disk_format {
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u_char pg_code:6; /* page code (should be 3) */
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u_char :2;
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u_char pg_length; /* page length (should be 0x16) */
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u_char trk_z_1; /* tracks per zone (MSB) */
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u_char trk_z_0; /* tracks per zone (LSB) */
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u_char alt_sec_1; /* alternate sectors per zone (MSB) */
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u_char alt_sec_0; /* alternate sectors per zone (LSB) */
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u_char alt_trk_z_1; /* alternate tracks per zone (MSB) */
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u_char alt_trk_z_0; /* alternate tracks per zone (LSB) */
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u_char alt_trk_v_1; /* alternate tracks per volume (MSB) */
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u_char alt_trk_v_0; /* alternate tracks per volume (LSB) */
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u_char ph_sec_t_1; /* physical sectors per track (MSB) */
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u_char ph_sec_t_0; /* physical sectors per track (LSB) */
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u_char bytes_s_1; /* bytes per sector (MSB) */
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u_char bytes_s_0; /* bytes per sector (LSB) */
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u_char interleave_1;/* interleave (MSB) */
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u_char interleave_0;/* interleave (LSB) */
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u_char trk_skew_1; /* track skew factor (MSB) */
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u_char trk_skew_0; /* track skew factor (LSB) */
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u_char cyl_skew_1; /* cylinder skew (MSB) */
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u_char cyl_skew_0; /* cylinder skew (LSB) */
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u_char reserved1:4;
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u_char surf:1;
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u_char rmb:1;
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u_char hsec:1;
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u_char ssec:1;
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u_char reserved2;
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u_char reserved3;
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} disk_format;
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struct page_rigid_geometry {
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u_char pg_code:7; /* page code (should be 4) */
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u_char mbone:1; /* must be one */
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u_char pg_length; /* page length (should be 0x16) */
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u_char ncyl_2; /* number of cylinders (MSB) */
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u_char ncyl_1; /* number of cylinders */
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u_char ncyl_0; /* number of cylinders (LSB) */
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u_char nheads; /* number of heads */
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u_char st_cyl_wp_2; /* starting cyl., write precomp (MSB) */
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u_char st_cyl_wp_1; /* starting cyl., write precomp */
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u_char st_cyl_wp_0; /* starting cyl., write precomp (LSB) */
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u_char st_cyl_rwc_2;/* starting cyl., red. write cur (MSB)*/
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u_char st_cyl_rwc_1;/* starting cyl., red. write cur */
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u_char st_cyl_rwc_0;/* starting cyl., red. write cur (LSB)*/
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u_char driv_step_1; /* drive step rate (MSB) */
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u_char driv_step_0; /* drive step rate (LSB) */
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u_char land_zone_2; /* landing zone cylinder (MSB) */
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u_char land_zone_1; /* landing zone cylinder */
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u_char land_zone_0; /* landing zone cylinder (LSB) */
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u_char reserved1;
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u_char reserved2;
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u_char reserved3;
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} rigid_geometry;
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} ;
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