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207 mateuszvis 1
/*!\file protocol/dumprest.h
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 * Dump/restore protocol definitions.
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 */
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/*      $NetBSD: dumprestore.h,v 1.7 1996/11/30 18:01:52 cgd Exp $      */
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/*
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 * Copyright (c) 1980, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 * (c) UNIX System Laboratories, Inc.
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 * All or some portions of this file are derived from material licensed
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 * to the University of California by American Telephone and Telegraph
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 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
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 * the permission of UNIX System Laboratories, Inc.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *	This product includes software developed by the University of
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 *	California, Berkeley and its contributors.
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 * 4. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 *	@(#)dumprestore.h	8.2 (Berkeley) 1/21/94
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 */
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#ifndef __PROTOCOL_DUMPRESTORE_H
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#define __PROTOCOL_DUMPRESTORE_H
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/*
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 * TP_BSIZE is the size of file blocks on the dump tapes.
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 * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
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 *
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 * NTREC is the number of TP_BSIZE blocks that are written
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 * in each tape record. HIGHDENSITYTREC is the number of
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 * TP_BSIZE blocks that are written in each tape record on
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 * 6250 BPI or higher density tapes.
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 *
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 * TP_NINDIR is the number of indirect pointers in a TS_INODE
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 * or TS_ADDR record. Note that it must be a power of two.
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 */
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#define TP_BSIZE	1024
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#define NTREC   	10
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#define HIGHDENSITYTREC	32
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#define TP_NINDIR	(TP_BSIZE/2)
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#define LBLSIZE		16
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#define NAMELEN		64
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#define OFS_MAGIC   	(int)60011
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#define NFS_MAGIC   	(int)60012
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#define CHECKSUM	(int)84446
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#include <sys/packon.h>
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union u_spcl {
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	char dummy[TP_BSIZE];
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	struct	s_spcl {
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		int32_t	c_type;		    /* record type (see below) */
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		time_t	c_date;		    /* date of this dump */
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		time_t	c_ddate;	    /* date of previous dump */
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		int32_t	c_volume;	    /* dump volume number */
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		daddr_t	c_tapea;	    /* logical block of this record */
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		ino_t	c_inumber;	    /* number of inode */
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		int32_t	c_magic;	    /* magic number (see above) */
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		int32_t	c_checksum;	    /* record checksum */
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		struct	dinode	c_dinode;   /* ownership and mode of inode */
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		int32_t	c_count;	    /* number of valid c_addr entries */
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		char	c_addr[TP_NINDIR];  /* 1 => data; 0 => hole in inode */
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		char	c_label[LBLSIZE];   /* dump label */
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		int32_t	c_level;	    /* level of this dump */
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		char	c_filesys[NAMELEN]; /* name of dumpped file system */
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		char	c_dev[NAMELEN];	    /* name of dumpped device */
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		char	c_host[NAMELEN];    /* name of dumpped host */
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		int32_t	c_flags;	    /* additional information */
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		int32_t	c_firstrec;	    /* first record on volume */
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		int32_t	c_spare[32];	    /* reserved for future uses */
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	} s_spcl;
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} u_spcl;
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#include <sys/packoff.h>
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#define spcl u_spcl.s_spcl
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/*
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 * special record types
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 */
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#define TS_TAPE 	1	/* dump tape header */
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#define TS_INODE	2	/* beginning of file record */
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#define TS_ADDR 	4	/* continuation of file record */
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#define TS_BITS 	3	/* map of inodes on tape */
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#define TS_CLRI 	6	/* map of inodes deleted since last dump */
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#define TS_END  	5	/* end of volume marker */
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/*
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 * flag values
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 */
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#define DR_NEWHEADER	0x0001	/* new format tape header */
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#define DR_NEWINODEFMT	0x0002	/* new format inodes on tape */
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#define	DUMPOUTFMT	"%-16s %c %s"		/* for printf */
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						/* name, level, ctime(date) */
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#define	DUMPINFMT	"%16s %c %[^\n]\n"	/* inverse for scanf */
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#endif