diff options
Diffstat (limited to 'include/protocols/dumprestore.h')
| -rw-r--r-- | include/protocols/dumprestore.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/include/protocols/dumprestore.h b/include/protocols/dumprestore.h new file mode 100644 index 0000000..f6f6845 --- /dev/null +++ b/include/protocols/dumprestore.h @@ -0,0 +1,112 @@ +/* + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. 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 + */ + +#ifndef _DUMPRESTORE_H_ +#define _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 +#define CHECKSUM (int)84446 + +union u_spcl { + char dummy[TP_BSIZE]; + struct s_spcl { + long c_type; /* record type (see below) */ + time_t c_date; /* date of this dump */ + time_t c_ddate; /* date of previous dump */ + long c_volume; /* dump volume number */ + daddr_t c_tapea; /* logical block of this record */ + ino_t c_inumber; /* number of inode */ + long c_magic; /* magic number (see above) */ + long c_checksum; /* record checksum */ + struct dinode c_dinode; /* ownership and mode of inode */ + long 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 */ + long 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 */ + long c_flags; /* additional information */ + long c_firstrec; /* first record on volume */ + long c_spare[32]; /* 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 */ + +/* + * flag values + */ +#define DR_NEWHEADER 0x0001 /* new format tape header */ +#define DR_NEWINODEFMT 0x0002 /* new format inodes on tape */ + +#define DUMPOUTFMT "%-16s %c %s" /* for printf */ + /* name, level, ctime(date) */ +#define DUMPINFMT "%16s %c %[^\n]\n" /* inverse for scanf */ + +#endif /* !_DUMPRESTORE_H_ */ |
