0,0 → 1,123 |
/*!\file protocol/dumprest.h |
* Dump/restore protocol definitions. |
*/ |
|
/* $NetBSD: dumprestore.h,v 1.7 1996/11/30 18:01:52 cgd Exp $ */ |
|
/* |
* 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 __PROTOCOL_DUMPRESTORE_H |
#define __PROTOCOL_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 |
|
#include <sys/packon.h> |
|
union u_spcl { |
char dummy[TP_BSIZE]; |
struct s_spcl { |
int32_t c_type; /* record type (see below) */ |
time_t c_date; /* date of this dump */ |
time_t c_ddate; /* date of previous dump */ |
int32_t c_volume; /* dump volume number */ |
daddr_t c_tapea; /* logical block of this record */ |
ino_t c_inumber; /* number of inode */ |
int32_t c_magic; /* magic number (see above) */ |
int32_t c_checksum; /* record checksum */ |
struct dinode c_dinode; /* ownership and mode of inode */ |
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_firstrec; /* first record on volume */ |
int32_t c_spare[32]; /* reserved for future uses */ |
} s_spcl; |
} u_spcl; |
|
#include <sys/packoff.h> |
|
#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 |