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Diffstat (limited to 'include/protocols/dumprestore.h')
| -rw-r--r-- | include/protocols/dumprestore.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/include/protocols/dumprestore.h b/include/protocols/dumprestore.h new file mode 100644 index 0000000..9355292 --- /dev/null +++ b/include/protocols/dumprestore.h @@ -0,0 +1,142 @@ +/* + * Copyright (c) 1980, 1993 + * The Regents of the University of California. All rights reserved. + * (c) UNIX System Laboratories, Inc. + * All or some portions of this file are derived from material licensed + * to the University of California by American Telephone and Telegraph + * Co. or Unix System Laboratories, Inc. and are reproduced herein with + * the permission of UNIX System Laboratories, Inc. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * @(#)dumprestore.h 8.2 (Berkeley) 1/21/94 + * + * $FreeBSD$ + */ + +#ifndef _PROTOCOLS_DUMPRESTORE_H_ +#define _PROTOCOLS_DUMPRESTORE_H_ + +/* + * TP_BSIZE is the size of file blocks on the dump tapes. + * Note that TP_BSIZE must be a multiple of DEV_BSIZE. + * + * NTREC is the number of TP_BSIZE blocks that are written + * in each tape record. HIGHDENSITYTREC is the number of + * TP_BSIZE blocks that are written in each tape record on + * 6250 BPI or higher density tapes. + * + * TP_NINDIR is the number of indirect pointers in a TS_INODE + * or TS_ADDR record. Note that it must be a power of two. + */ +#define TP_BSIZE 1024 +#define NTREC 10 +#define HIGHDENSITYTREC 32 +#define TP_NINDIR (TP_BSIZE/2) +#define LBLSIZE 16 +#define NAMELEN 64 + +#define OFS_MAGIC (int)60011 +#define NFS_MAGIC (int)60012 +#ifndef FS_UFS2_MAGIC +#define FS_UFS2_MAGIC (int)0x19540119 +#endif +#define CHECKSUM (int)84446 + +/* + * Since ino_t size is changing to 64-bits, yet we desire this structure to + * remain compatible with exiting dump formats, we do NOT use ino_t here, + * but rather define a 32-bit type in its place. At some point, it may be + * necessary to use some of the c_spare[] in order to fully support 64-bit + * inode numbers. + */ +typedef uint32_t dump_ino_t; + +union u_spcl { + char dummy[TP_BSIZE]; + struct s_spcl { + int32_t c_type; /* record type (see below) */ + int32_t c_old_date; /* date of this dump */ + int32_t c_old_ddate; /* date of previous dump */ + int32_t c_volume; /* dump volume number */ + int32_t c_old_tapea; /* logical block of this record */ + dump_ino_t c_inumber; /* number of inode */ + int32_t c_magic; /* magic number (see above) */ + int32_t c_checksum; /* record checksum */ + /* + * Start old dinode structure, expanded for binary + * compatibility with UFS1. + */ + u_int16_t c_mode; /* file mode */ + int16_t c_spare1[3]; /* old nlink, ids */ + u_int64_t c_size; /* file byte count */ + int32_t c_old_atime; /* old last access time, seconds */ + int32_t c_atimensec; /* last access time, nanoseconds */ + int32_t c_old_mtime; /* old last modified time, secs */ + int32_t c_mtimensec; /* last modified time, nanosecs */ + int32_t c_spare2[2]; /* old ctime */ + int32_t c_rdev; /* for devices, device number */ + int32_t c_birthtimensec; /* creation time, nanosecs */ + int64_t c_birthtime; /* creation time, seconds */ + int64_t c_atime; /* last access time, seconds */ + int64_t c_mtime; /* last modified time, seconds */ + int32_t c_extsize; /* external attribute size */ + int32_t c_spare4[6]; /* old block pointers */ + u_int32_t c_file_flags; /* status flags (chflags) */ + int32_t c_spare5[2]; /* old blocks, generation number */ + u_int32_t c_uid; /* file owner */ + u_int32_t c_gid; /* file group */ + int32_t c_spare6[2]; /* previously unused spares */ + /* + * End old dinode structure. + */ + int32_t c_count; /* number of valid c_addr entries */ + char c_addr[TP_NINDIR]; /* 1 => data; 0 => hole in inode */ + char c_label[LBLSIZE]; /* dump label */ + int32_t c_level; /* level of this dump */ + char c_filesys[NAMELEN]; /* name of dumpped file system */ + char c_dev[NAMELEN]; /* name of dumpped device */ + char c_host[NAMELEN]; /* name of dumpped host */ + int32_t c_flags; /* additional information */ + int32_t c_old_firstrec; /* first record on volume */ + int64_t c_date; /* date of this dump */ + int64_t c_ddate; /* date of previous dump */ + int64_t c_tapea; /* logical block of this record */ + int64_t c_firstrec; /* first record on volume */ + int32_t c_spare[24]; /* reserved for future uses */ + } s_spcl; +} u_spcl; +#define spcl u_spcl.s_spcl +/* + * special record types + */ +#define TS_TAPE 1 /* dump tape header */ +#define TS_INODE 2 /* beginning of file record */ +#define TS_ADDR 4 /* continuation of file record */ +#define TS_BITS 3 /* map of inodes on tape */ +#define TS_CLRI 6 /* map of inodes deleted since last dump */ +#define TS_END 5 /* end of volume marker */ + +#endif /* !_DUMPRESTORE_H_ */ |
