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dumprestore.h revision 1.16.28.1
      1 /*	$NetBSD: dumprestore.h,v 1.16.28.1 2016/01/26 04:53:42 riz Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1980, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  * (c) UNIX System Laboratories, Inc.
      7  * All or some portions of this file are derived from material licensed
      8  * to the University of California by American Telephone and Telegraph
      9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
     10  * the permission of UNIX System Laboratories, Inc.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  *	@(#)dumprestore.h	8.2 (Berkeley) 1/21/94
     37  */
     38 
     39 #ifndef _PROTOCOLS_DUMPRESTORE_H_
     40 #define _PROTOCOLS_DUMPRESTORE_H_
     41 
     42 /*
     43  * TP_BSIZE is the size of file blocks on the dump tapes.
     44  * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
     45  *
     46  * NTREC is the number of TP_BSIZE blocks that are written
     47  * in each tape record. HIGHDENSITYTREC is the number of
     48  * TP_BSIZE blocks that are written in each tape record on
     49  * 6250 BPI or higher density tapes.
     50  *
     51  * TP_NINDIR is the number of indirect pointers in a TS_INODE
     52  * or TS_ADDR record. Note that it must be a power of two.
     53  */
     54 #define TP_BSIZE	1024
     55 #define NTREC   	10
     56 #define HIGHDENSITYTREC	32
     57 #define TP_NINDIR	(TP_BSIZE/2)
     58 #define LBLSIZE		16
     59 #define NAMELEN		64
     60 
     61 #define OFS_MAGIC   	(int)60011
     62 #define NFS_MAGIC   	(int)60012
     63 #ifndef FS_UFS2_MAGIC
     64 #define FS_UFS2_MAGIC   (int)0x19540119
     65 #endif
     66 #define CHECKSUM	(int)84446
     67 
     68 union u_spcl {
     69 	char dummy[TP_BSIZE];
     70 	struct	s_spcl {
     71 		int32_t	c_type;		    /* record type (see below) */
     72 		int32_t	c_old_date;	    /* date of this dump */
     73 		int32_t	c_old_ddate;	    /* date of previous dump */
     74 		int32_t	c_volume;	    /* dump volume number */
     75 		int32_t	c_old_tapea;	    /* logical block of this record */
     76 		uint32_t c_inumber;	    /* number of inode */
     77 		int32_t	c_magic;	    /* magic number (see above) */
     78 		int32_t	c_checksum;	    /* record checksum */
     79 		union {
     80 			struct ufs1_dinode __uc_dinode;
     81 			struct {
     82 				uint16_t __uc_mode;
     83 				int16_t __uc_spare1[3];
     84 				uint64_t __uc_size;
     85 				int32_t __uc_old_atime;
     86 				int32_t __uc_atimensec;
     87 				int32_t __uc_old_mtime;
     88 				int32_t __uc_mtimensec;
     89 				int32_t __uc_spare2[2];
     90 				int32_t __uc_rdev;
     91 				int32_t __uc_birthtimensec;
     92 				int64_t __uc_birthtime;
     93 				int64_t __uc_atime;
     94 				int64_t __uc_mtime;
     95 				int32_t __uc_spare4[7];
     96 				uint32_t __uc_file_flags;
     97 				int32_t __uc_spare5[2];
     98 				uint32_t __uc_uid;
     99 				uint32_t __uc_gid;
    100 				int32_t __uc_spare6[2];
    101 			} __uc_ino;
    102 		} __c_ino;
    103 		int32_t	c_count;	    /* number of valid c_addr entries */
    104 		char	c_addr[TP_NINDIR];  /* 1 => data; 0 => hole in inode */
    105 		char	c_label[LBLSIZE];   /* dump label */
    106 		int32_t	c_level;	    /* level of this dump */
    107 		char	c_filesys[NAMELEN]; /* name of dumpped file system */
    108 		char	c_dev[NAMELEN];	    /* name of dumpped device */
    109 		char	c_host[NAMELEN];    /* name of dumpped host */
    110 		int32_t	c_flags;	    /* additional information */
    111 		int32_t	c_old_firstrec;	    /* first record on volume */
    112 		int64_t c_date;		    /* date of this dump */
    113 		int64_t c_ddate;	    /* date of previous dump */
    114 		int64_t c_tapea;	    /* logical block of this record */
    115 		int64_t c_firstrec;	    /* first record on volume */
    116 		int32_t	c_spare[24];	    /* reserved for future uses */
    117 	} s_spcl;
    118 } u_spcl;
    119 #define spcl u_spcl.s_spcl
    120 
    121 #define c_dinode	__c_ino.__uc_dinode
    122 #define c_mode		__c_ino.__uc_ino.__uc_mode
    123 #define c_spare1	__c_ino.__uc_ino.__uc_spare1
    124 #define c_size		__c_ino.__uc_ino.__uc_size
    125 #define c_old_atime	__c_ino.__uc_ino.__uc_old_atime
    126 #define c_atime		__c_ino.__uc_ino.__uc_atime
    127 #define c_atimensec	__c_ino.__uc_ino.__uc_atimensec
    128 #define c_mtime		__c_ino.__uc_ino.__uc_mtime
    129 #define c_mtimensec	__c_ino.__uc_ino.__uc_mtimensec
    130 #define c_birthtime	__c_ino.__uc_ino.__uc_birthtime
    131 #define c_birthtimensec	__c_ino.__uc_ino.__uc_birthtimensec
    132 #define c_old_mtime	__c_ino.__uc_ino.__uc_old_mtime
    133 #define c_rdev		__c_ino.__uc_ino.__uc_rdev
    134 #define c_file_flags	__c_ino.__uc_ino.__uc_file_flags
    135 #define c_uid		__c_ino.__uc_ino.__uc_uid
    136 #define c_gid		__c_ino.__uc_ino.__uc_gid
    137 
    138 /*
    139  * special record types
    140  */
    141 #define TS_TAPE 	1	/* dump tape header */
    142 #define TS_INODE	2	/* beginning of file record */
    143 #define TS_ADDR 	4	/* continuation of file record */
    144 #define TS_BITS 	3	/* map of inodes on tape */
    145 #define TS_CLRI 	6	/* map of inodes deleted since last dump */
    146 #define TS_END  	5	/* end of volume marker */
    147 
    148 /*
    149  * flag values
    150  */
    151 #define DR_NEWHEADER	0x0001	/* new format tape header */
    152 #define DR_NEWINODEFMT	0x0002	/* new format inodes on tape */
    153 #define DR_EXTATTRIBUTES 0x8000	/* linux: extended attributes */
    154 
    155 /* 511 == NAME_MAX */
    156 #define	DUMPOUTFMT	"%-511s %c %s"		/* for printf */
    157 						/* name, level, ctime(date) */
    158 #define	DUMPINFMT	"%511s %c %[^\n]\n"	/* inverse for scanf */
    159 
    160 #endif /* !_PROTOCOLS_DUMPRESTORE_H_ */
    161