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      1 /*	$NetBSD: dumprestore.h,v 1.20 2021/06/19 13:56:34 christos 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 #include <stdint.h>
     43 #include <ufs/ufs/dinode.h>
     44 
     45 /*
     46  * TP_BSIZE is the size of file blocks on the dump tapes.
     47  * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
     48  *
     49  * NTREC is the number of TP_BSIZE blocks that are written
     50  * in each tape record. HIGHDENSITYTREC is the number of
     51  * TP_BSIZE blocks that are written in each tape record on
     52  * 6250 BPI or higher density tapes.
     53  *
     54  * TP_NINDIR is the number of indirect pointers in a TS_INODE
     55  * or TS_ADDR record. Note that it must be a power of two.
     56  */
     57 #define TP_BSIZE	1024
     58 #define NTREC   	10
     59 #define HIGHDENSITYTREC	32
     60 #define TP_NINDIR	(TP_BSIZE/2)
     61 #define LBLSIZE		16
     62 #define NAMELEN		64
     63 
     64 #define OFS_MAGIC   	(int)60011
     65 #define NFS_MAGIC   	(int)60012
     66 #ifndef FS_UFS2_MAGIC
     67 #define FS_UFS2_MAGIC   (int)0x19540119
     68 #endif
     69 #define CHECKSUM	(int)84446
     70 
     71 extern union u_spcl {
     72 	char dummy[TP_BSIZE];
     73 	struct	s_spcl {
     74 		int32_t	c_type;		    /* record type (see below) */
     75 		int32_t	c_old_date;	    /* date of this dump */
     76 		int32_t	c_old_ddate;	    /* date of previous dump */
     77 		int32_t	c_volume;	    /* dump volume number */
     78 		int32_t	c_old_tapea;	    /* logical block of this record */
     79 		uint32_t c_inumber;	    /* number of inode */
     80 		int32_t	c_magic;	    /* magic number (see above) */
     81 		int32_t	c_checksum;	    /* record checksum */
     82 		union {
     83 			struct ufs1_dinode __uc_dinode;
     84 			struct {
     85 				uint16_t __uc_mode;
     86 				int16_t __uc_spare1[3];
     87 				uint64_t __uc_size;
     88 				int32_t __uc_old_atime;
     89 				int32_t __uc_atimensec;
     90 				int32_t __uc_old_mtime;
     91 				int32_t __uc_mtimensec;
     92 				int32_t __uc_spare2[2];
     93 				int32_t __uc_rdev;
     94 				int32_t __uc_birthtimensec;
     95 				int64_t __uc_birthtime;
     96 				int64_t __uc_atime;
     97 				int64_t __uc_mtime;
     98 				int32_t __uc_extsize;
     99 				int32_t __uc_spare4[6];
    100 				uint32_t __uc_file_flags;
    101 				int32_t __uc_spare5[2];
    102 				uint32_t __uc_uid;
    103 				uint32_t __uc_gid;
    104 				int32_t __uc_spare6[2];
    105 			} __uc_ino;
    106 		} __c_ino;
    107 		int32_t	c_count;	    /* number of valid c_addr entries */
    108 		char	c_addr[TP_NINDIR];  /* 1 => data; 0 => hole in inode */
    109 		char	c_label[LBLSIZE];   /* dump label */
    110 		int32_t	c_level;	    /* level of this dump */
    111 		char	c_filesys[NAMELEN]; /* name of dumpped file system */
    112 		char	c_dev[NAMELEN];	    /* name of dumpped device */
    113 		char	c_host[NAMELEN];    /* name of dumpped host */
    114 		int32_t	c_flags;	    /* additional information */
    115 		int32_t	c_old_firstrec;	    /* first record on volume */
    116 		int64_t c_date;		    /* date of this dump */
    117 		int64_t c_ddate;	    /* date of previous dump */
    118 		int64_t c_tapea;	    /* logical block of this record */
    119 		int64_t c_firstrec;	    /* first record on volume */
    120 		int32_t	c_spare[24];	    /* reserved for future uses */
    121 	} s_spcl;
    122 } u_spcl;
    123 #define spcl u_spcl.s_spcl
    124 
    125 #define c_dinode	__c_ino.__uc_dinode
    126 #define c_mode		__c_ino.__uc_ino.__uc_mode
    127 #define c_spare1	__c_ino.__uc_ino.__uc_spare1
    128 #define c_size		__c_ino.__uc_ino.__uc_size
    129 #define c_extsize	__c_ino.__uc_ino.__uc_extsize
    130 #define c_old_atime	__c_ino.__uc_ino.__uc_old_atime
    131 #define c_atime		__c_ino.__uc_ino.__uc_atime
    132 #define c_atimensec	__c_ino.__uc_ino.__uc_atimensec
    133 #define c_mtime		__c_ino.__uc_ino.__uc_mtime
    134 #define c_mtimensec	__c_ino.__uc_ino.__uc_mtimensec
    135 #define c_birthtime	__c_ino.__uc_ino.__uc_birthtime
    136 #define c_birthtimensec	__c_ino.__uc_ino.__uc_birthtimensec
    137 #define c_old_mtime	__c_ino.__uc_ino.__uc_old_mtime
    138 #define c_rdev		__c_ino.__uc_ino.__uc_rdev
    139 #define c_file_flags	__c_ino.__uc_ino.__uc_file_flags
    140 #define c_uid		__c_ino.__uc_ino.__uc_uid
    141 #define c_gid		__c_ino.__uc_ino.__uc_gid
    142 
    143 /*
    144  * special record types
    145  */
    146 #define TS_TAPE 	1	/* dump tape header */
    147 #define TS_INODE	2	/* beginning of file record */
    148 #define TS_ADDR 	4	/* continuation of file record */
    149 #define TS_BITS 	3	/* map of inodes on tape */
    150 #define TS_CLRI 	6	/* map of inodes deleted since last dump */
    151 #define TS_END  	5	/* end of volume marker */
    152 
    153 /*
    154  * flag values
    155  */
    156 #define DR_NEWHEADER	0x0001	/* new format tape header */
    157 #define DR_NEWINODEFMT	0x0002	/* new format inodes on tape */
    158 #define DR_EXTATTRIBUTES 0x8000	/* linux: extended attributes */
    159 
    160 /* 511 == NAME_MAX */
    161 #define	DUMPOUTFMT	"%-511s %c %s"		/* for printf */
    162 						/* name, level, ctime(date) */
    163 #define	DUMPINFMT	"%511s %c %[^\n]\n"	/* inverse for scanf */
    164 
    165 #endif /* !_PROTOCOLS_DUMPRESTORE_H_ */
    166