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76797561 | 1 | /* |
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2 | * Copyright (c) 1980, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
76797561 | 4 | * |
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5 | * %sccs.include.redist.c% |
6 | * | |
56559b70 | 7 | * @(#)dumprestore.h 8.1 (Berkeley) %G% |
76797561 | 8 | */ |
8959d9ce | 9 | |
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10 | #ifndef _DUMPRESTORE_H_ |
11 | #define _DUMPRESTORE_H_ | |
12 | ||
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13 | /* |
14 | * TP_BSIZE is the size of file blocks on the dump tapes. | |
15 | * Note that TP_BSIZE must be a multiple of DEV_BSIZE. | |
16 | * | |
17 | * NTREC is the number of TP_BSIZE blocks that are written | |
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18 | * in each tape record. HIGHDENSITYTREC is the number of |
19 | * TP_BSIZE blocks that are written in each tape record on | |
20 | * 6250 BPI or higher density tapes. | |
b6407c9d | 21 | * |
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22 | * TP_NINDIR is the number of indirect pointers in a TS_INODE |
23 | * or TS_ADDR record. Note that it must be a power of two. | |
24 | */ | |
f5bba473 | 25 | #define TP_BSIZE 1024 |
8959d9ce | 26 | #define NTREC 10 |
f65cc121 | 27 | #define HIGHDENSITYTREC 32 |
f5bba473 | 28 | #define TP_NINDIR (TP_BSIZE/2) |
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29 | #define LBLSIZE 16 |
30 | #define NAMELEN 64 | |
8959d9ce | 31 | |
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32 | #define OFS_MAGIC (int)60011 |
33 | #define NFS_MAGIC (int)60012 | |
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34 | #define CHECKSUM (int)84446 |
35 | ||
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36 | union u_spcl { |
37 | char dummy[TP_BSIZE]; | |
38 | struct s_spcl { | |
f77a910f | 39 | long c_type; /* record type (see below) */ |
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40 | time_t c_date; /* date of this dump */ |
41 | time_t c_ddate; /* date of previous dump */ | |
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42 | long c_volume; /* dump volume number */ |
43 | daddr_t c_tapea; /* logical block of this record */ | |
44 | ino_t c_inumber; /* number of inode */ | |
45 | long c_magic; /* magic number (see above) */ | |
46 | long c_checksum; /* record checksum */ | |
47 | struct dinode c_dinode; /* ownership and mode of inode */ | |
48 | long c_count; /* number of valid c_addr entries */ | |
49 | char c_addr[TP_NINDIR]; /* 1 => data; 0 => hole in inode */ | |
50 | char c_label[LBLSIZE]; /* dump label */ | |
51 | long c_level; /* level of this dump */ | |
52 | char c_filesys[NAMELEN]; /* name of dumpped file system */ | |
53 | char c_dev[NAMELEN]; /* name of dumpped device */ | |
54 | char c_host[NAMELEN]; /* name of dumpped host */ | |
8d412b7c | 55 | long c_flags; /* additional information */ |
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56 | long c_firstrec; /* first record on volume */ |
57 | long c_spare[32]; /* reserved for future uses */ | |
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58 | } s_spcl; |
59 | } u_spcl; | |
f5bba473 | 60 | #define spcl u_spcl.s_spcl |
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61 | /* |
62 | * special record types | |
63 | */ | |
8d412b7c | 64 | #define TS_TAPE 1 /* dump tape header */ |
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65 | #define TS_INODE 2 /* beginning of file record */ |
66 | #define TS_ADDR 4 /* continuation of file record */ | |
67 | #define TS_BITS 3 /* map of inodes on tape */ | |
68 | #define TS_CLRI 6 /* map of inodes deleted since last dump */ | |
69 | #define TS_END 5 /* end of volume marker */ | |
8959d9ce | 70 | |
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71 | /* |
72 | * flag values | |
73 | */ | |
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74 | #define DR_NEWHEADER 0x0001 /* new format tape header */ |
75 | #define DR_NEWINODEFMT 0x0002 /* new format inodes on tape */ | |
8d412b7c | 76 | |
8959d9ce | 77 | #define DUMPOUTFMT "%-16s %c %s" /* for printf */ |
439ab1a9 | 78 | /* name, level, ctime(date) */ |
8959d9ce | 79 | #define DUMPINFMT "%16s %c %[^\n]\n" /* inverse for scanf */ |
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80 | |
81 | #endif /* !_DUMPRESTORE_H_ */ |