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-rw-r--r--sys/sys/disk/vtoc.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/sys/sys/disk/vtoc.h b/sys/sys/disk/vtoc.h
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+++ b/sys/sys/disk/vtoc.h
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+/*-
+ * 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_ */