48990fce8e
When booted via isoboot(8) loader will be handed a disk that simply contains an ISO9660 image. Currently this confuses it greatly. Teach it how to spot that it's in this situation and that ISO9660 has one "partition" covering the whole disk. Reviewed by: imp Sponsored by: iXsystems, Inc. Differential Revision: https://reviews.freebsd.org/D14915
86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/*-
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* Copyright (c) 2012 Andrey V. Elsukov <ae@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _PART_H_
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#define _PART_H_
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struct ptable;
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enum ptable_type {
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PTABLE_NONE,
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PTABLE_BSD,
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PTABLE_MBR,
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PTABLE_GPT,
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PTABLE_VTOC8,
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PTABLE_ISO9660
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};
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enum partition_type {
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PART_UNKNOWN,
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PART_EFI,
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PART_FREEBSD,
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PART_FREEBSD_BOOT,
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PART_FREEBSD_NANDFS,
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PART_FREEBSD_UFS,
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PART_FREEBSD_ZFS,
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PART_FREEBSD_SWAP,
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PART_FREEBSD_VINUM,
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PART_LINUX,
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PART_LINUX_SWAP,
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PART_DOS,
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PART_ISO9660
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};
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struct ptable_entry {
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uint64_t start;
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uint64_t end;
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int index;
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enum partition_type type;
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};
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/* The offset and size are in sectors */
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typedef int (diskread_t)(void *arg, void *buf, size_t blocks, uint64_t offset);
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typedef int (ptable_iterate_t)(void *arg, const char *partname,
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const struct ptable_entry *part);
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struct ptable *ptable_open(void *dev, uint64_t sectors, uint16_t sectorsize,
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diskread_t *dread);
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void ptable_close(struct ptable *table);
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enum ptable_type ptable_gettype(const struct ptable *table);
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int ptable_getsize(const struct ptable *table, uint64_t *sizep);
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int ptable_getpart(const struct ptable *table, struct ptable_entry *part,
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int index);
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int ptable_getbestpart(const struct ptable *table, struct ptable_entry *part);
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int ptable_iterate(const struct ptable *table, void *arg,
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ptable_iterate_t *iter);
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const char *parttype2str(enum partition_type type);
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#endif /* !_PART_H_ */
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