diff options
Diffstat (limited to 'usr/src/boot/common/part.h')
| -rw-r--r-- | usr/src/boot/common/part.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/usr/src/boot/common/part.h b/usr/src/boot/common/part.h new file mode 100644 index 0000000000..bdeddcbd5c --- /dev/null +++ b/usr/src/boot/common/part.h @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2012 Andrey V. Elsukov <ae@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _PART_H_ +#define _PART_H_ + +struct ptable; + +enum ptable_type { + PTABLE_NONE, + PTABLE_BSD, + PTABLE_MBR, + PTABLE_GPT, + PTABLE_VTOC8, + PTABLE_VTOC, + PTABLE_ISO9660 +}; + +enum partition_type { + PART_UNKNOWN, + PART_EFI, + PART_FREEBSD, + PART_FREEBSD_BOOT, + PART_FREEBSD_UFS, + PART_FREEBSD_ZFS, + PART_FREEBSD_SWAP, + PART_FREEBSD_VINUM, + PART_LINUX, + PART_LINUX_SWAP, + PART_DOS, + PART_ISO9660, + PART_SOLARIS2, + PART_ILLUMOS_UFS, + PART_ILLUMOS_ZFS, + PART_RESERVED, + PART_VTOC_BOOT, + PART_VTOC_ROOT, + PART_VTOC_SWAP, + PART_VTOC_USR, + PART_VTOC_BACKUP, + PART_VTOC_STAND, + PART_VTOC_VAR, + PART_VTOC_HOME, + PART_APFS +}; + +struct ptable_entry { + uint64_t start; + uint64_t end; + int index; + enum partition_type type; +}; + +/* The offset and size are in sectors */ +typedef int (diskread_t)(void *arg, void *buf, size_t blocks, uint64_t offset); +typedef int (ptable_iterate_t)(void *arg, const char *partname, + const struct ptable_entry *part); + +struct ptable *ptable_open(void *dev, uint64_t sectors, uint16_t sectorsize, + diskread_t *dread); +void ptable_close(struct ptable *table); +enum ptable_type ptable_gettype(const struct ptable *table); +int ptable_getsize(const struct ptable *table, uint64_t *sizep); + +int ptable_getpart(const struct ptable *table, struct ptable_entry *part, + int index); +int ptable_getbestpart(const struct ptable *table, struct ptable_entry *part); + +int ptable_iterate(const struct ptable *table, void *arg, + ptable_iterate_t *iter); +const char *parttype2str(enum partition_type type); + +#endif /* !_PART_H_ */ |