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1d3ba0bf01
The commit replaces all findings of the link: http://www.opensolaris.org/os/licensing with this one: https://opensource.org/licenses/CDDL-1.0 Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de> Closes #13619
174 lines
6.2 KiB
C
174 lines
6.2 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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/* Copyright (c) 1984, 1986, 1987, 1988 AT&T */
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/* All Rights Reserved */
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#ifndef _SYS_DKTP_FDISK_H
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#define _SYS_DKTP_FDISK_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* fdisk.h
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* This file defines the structure of physical disk sector 0 for use on
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* AT386 systems. The format of this sector is constrained by the ROM
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* BIOS and MS-DOS conventions.
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* Note that this block does not define the partitions used by the unix
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* driver. The unix partitions are obtained from the VTOC.
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*/
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/*
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* the MAX values are the maximum usable values for BIOS chs values
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* The MAX_CYL value of 1022 is the maximum usable value
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* the value of 1023 is a fence value,
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* indicating no CHS geometry exists for the corresponding LBA value.
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* HEAD range [ 0 .. MAX_HEAD ], so number of heads is (MAX_HEAD + 1)
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* SECT range [ 1 .. MAX_SECT ], so number of sectors is (MAX_SECT)
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*/
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#define MAX_SECT (63)
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#define MAX_CYL (1022)
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#define MAX_HEAD (254)
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/*
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* BOOTSZ was reduced from 446 to 440 bytes to NOT overwrite the Windows
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* Vista DISKID. Otherwise Vista won't boot from Solaris GRUB in a dual-boot
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* setup.
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* The actual size of mboot code is 425 bytes while that of GRUB stage1 is
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* 423 bytes. So this changes does not harm them.
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*/
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#define BOOTSZ 440 /* size of boot code in master boot block */
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#define FD_NUMPART 4 /* number of 'partitions' in fdisk table */
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#define MBB_MAGIC 0xAA55 /* magic number for mboot.signature */
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#define DEFAULT_INTLV 4 /* default interleave for testing tracks */
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#define MINPSIZE 4 /* minimum number of cylinders in a partition */
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#define TSTPAT 0xE5 /* test pattern for verifying disk */
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/*
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* structure to hold the fdisk partition table
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*/
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struct ipart {
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unsigned char bootid; /* bootable or not */
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unsigned char beghead; /* beginning head, sector, cylinder */
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unsigned char begsect; /* begcyl is a 10-bit number. High 2 bits */
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unsigned char begcyl; /* are in begsect. */
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unsigned char systid; /* OS type */
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unsigned char endhead; /* ending head, sector, cylinder */
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unsigned char endsect; /* endcyl is a 10-bit number. High 2 bits */
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unsigned char endcyl; /* are in endsect. */
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uint32_t relsect; /* first sector relative to start of disk */
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uint32_t numsect; /* number of sectors in partition */
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};
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/*
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* Values for bootid.
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*/
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#define NOTACTIVE 0
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#define ACTIVE 128
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/*
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* Values for systid.
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*/
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#define UNUSED 0 /* Empty Partition */
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#define DOSOS12 1 /* DOS partition, 12-bit FAT */
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#define PCIXOS 2 /* PC/IX partition */
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#define DOSOS16 4 /* DOS partition, 16-bit FAT */
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#define EXTDOS 5 /* EXT-DOS partition */
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#define DOSHUGE 6 /* Huge DOS partition > 32MB */
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#define FDISK_IFS 7 /* Installable File System (IFS): HPFS & NTFS */
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#define FDISK_AIXBOOT 8 /* AIX Boot */
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#define FDISK_AIXDATA 9 /* AIX Data */
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#define FDISK_OS2BOOT 10 /* OS/2 Boot Manager */
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#define FDISK_WINDOWS 11 /* Windows 95 FAT32 (up to 2047GB) */
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#define FDISK_EXT_WIN 12 /* Windows 95 FAT32 (extended-INT13) */
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#define FDISK_FAT95 14 /* DOS 16-bit FAT, LBA-mapped */
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#define FDISK_EXTLBA 15 /* Extended partition, LBA-mapped */
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#define DIAGPART 18 /* Diagnostic boot partition (OS independent) */
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#define FDISK_LINUX 65 /* Linux */
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#define FDISK_LINUXDSWAP 66 /* Linux swap (sharing disk w/ DRDOS) */
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#define FDISK_LINUXDNAT 67 /* Linux native (sharing disk with DRDOS) */
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#define FDISK_CPM 82 /* CP/M */
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#define DOSDATA 86 /* DOS data partition */
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#define OTHEROS 98 /* part. type for appl. (DB?) needs */
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/* raw partition. ID was 0 but conflicted */
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/* with DOS 3.3 fdisk */
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#define UNIXOS 99 /* UNIX V.x partition */
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#define FDISK_NOVELL2 100 /* Novell Netware 286 */
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#define FDISK_NOVELL3 101 /* Novell Netware 3.x and later */
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#define FDISK_QNX4 119 /* QNX 4.x */
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#define FDISK_QNX42 120 /* QNX 4.x 2nd part */
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#define FDISK_QNX43 121 /* QNX 4.x 3rd part */
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#define SUNIXOS 130 /* Solaris UNIX partition */
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#define FDISK_LINUXNAT 131 /* Linux native */
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#define FDISK_NTFSVOL1 134 /* NTFS volume set 1 */
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#define FDISK_NTFSVOL2 135 /* NTFS volume set 2 */
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#define FDISK_BSD 165 /* BSD/386, 386BSD, NetBSD, FreeBSD, OpenBSD */
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#define FDISK_NEXTSTEP 167 /* NeXTSTEP */
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#define FDISK_BSDIFS 183 /* BSDI file system */
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#define FDISK_BSDISWAP 184 /* BSDI swap */
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#define X86BOOT 190 /* x86 Solaris boot partition */
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#define SUNIXOS2 191 /* Solaris UNIX partition */
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#define EFI_PMBR 238 /* EFI PMBR */
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#define EFI_FS 239 /* EFI File System (System Partition) */
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#define MAXDOS 65535L /* max size (sectors) for DOS partition */
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/*
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* structure to hold master boot block in physical sector 0 of the disk.
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* Note that partitions stuff can't be directly included in the structure
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* because of lameo '386 compiler alignment design.
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* Alignment issues also force us to have 2 16bit entities for a single
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* 32bit win_volserno. It is not used anywhere anyway.
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*/
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struct mboot { /* master boot block */
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char bootinst[BOOTSZ];
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uint16_t win_volserno_lo;
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uint16_t win_volserno_hi;
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uint16_t reserved;
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char parts[FD_NUMPART * sizeof (struct ipart)];
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ushort_t signature;
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};
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#if defined(__i386) || defined(__amd64)
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/* Byte offset of the start of the partition table within the sector */
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#define FDISK_PART_TABLE_START 446
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/* Maximum number of valid partitions assumed as 32 */
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#define MAX_EXT_PARTS 32
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#else
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#define MAX_EXT_PARTS 0
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#endif /* if defined(__i386) || defined(__amd64) */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_DKTP_FDISK_H */
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