diff options
Diffstat (limited to 'sys/sys/disk/vtoc.h')
| -rw-r--r-- | sys/sys/disk/vtoc.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/sys/sys/disk/vtoc.h b/sys/sys/disk/vtoc.h new file mode 100644 index 000000000000..c784d92717cf --- /dev/null +++ b/sys/sys/disk/vtoc.h @@ -0,0 +1,108 @@ +/*- + * Copyright (c) 2008 Marcel Moolenaar + * 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 AUTHOR ``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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#ifndef _SYS_DISK_VTOC_H_ +#define _SYS_DISK_VTOC_H_ + +#define VTOC_TAG_UNASSIGNED 0x00 +#define VTOC_TAG_BOOT 0x01 +#define VTOC_TAG_ROOT 0x02 +#define VTOC_TAG_SWAP 0x03 +#define VTOC_TAG_USR 0x04 +#define VTOC_TAG_BACKUP 0x05 /* "c" partition */ +#define VTOC_TAG_STAND 0x06 +#define VTOC_TAG_VAR 0x07 +#define VTOC_TAG_HOME 0x08 +#define VTOC_TAG_ALTSCTR 0x09 /* alternate sector partition */ +#define VTOC_TAG_CACHE 0x0a /* Solaris cachefs partition */ +#define VTOC_TAG_VXVM_PUB 0x0e /* VxVM public region */ +#define VTOC_TAG_VXVM_PRIV 0x0f /* VxVM private region */ + +/* NetBSD/mips defines this */ +#define VTOC_TAG_NETBSD_FFS 0xff + +/* FreeBSD tags: the high byte equals ELFOSABI_FREEBSD */ +#define VTOC_TAG_FREEBSD_SWAP 0x0901 +#define VTOC_TAG_FREEBSD_UFS 0x0902 +#define VTOC_TAG_FREEBSD_VINUM 0x0903 +#define VTOC_TAG_FREEBSD_ZFS 0x0904 +#define VTOC_TAG_FREEBSD_NANDFS 0x0905 + +#define VTOC_FLAG_UNMNT 0x01 /* unmountable partition */ +#define VTOC_FLAG_RDONLY 0x10 /* partition is read/only */ + +#define VTOC_ASCII_LEN 128 +#define VTOC_BOOTSIZE 8192 /* 16 sectors */ +#define VTOC_MAGIC 0xdabe +#define VTOC_RAW_PART 2 +#define VTOC_SANITY 0x600ddeee +#define VTOC_VERSION 1 +#define VTOC_VOLUME_LEN 8 + +#define VTOC8_NPARTS 8 + +struct vtoc8 { + char ascii[VTOC_ASCII_LEN]; + uint32_t version; + char volume[VTOC_VOLUME_LEN]; + uint16_t nparts; + struct { + uint16_t tag; + uint16_t flag; + } part[VTOC8_NPARTS]; + uint16_t __alignment; + uint32_t bootinfo[3]; + uint32_t sanity; + uint32_t reserved[10]; + uint32_t timestamp[VTOC8_NPARTS]; + uint16_t wskip; + uint16_t rskip; + char padding[152]; + uint16_t rpm; + uint16_t physcyls; + uint16_t sparesecs; + uint16_t spare1[2]; + uint16_t interleave; + uint16_t ncyls; + uint16_t altcyls; + uint16_t nheads; + uint16_t nsecs; + uint16_t spare2[2]; + struct { + uint32_t cyl; + uint32_t nblks; + } map[VTOC8_NPARTS]; + uint16_t magic; + uint16_t cksum; +}; + +#ifdef CTASSERT +CTASSERT(sizeof(struct vtoc8) == 512); +#endif + +#endif /* _SYS_DISK_VTOC_H_ */ |