1 /* 2 * Copyright (c) 1980, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)dumprestore.h 8.1 (Berkeley) 06/02/93 8 */ 9 10 #ifndef _DUMPRESTORE_H_ 11 #define _DUMPRESTORE_H_ 12 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 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. 21 * 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 */ 25 #define TP_BSIZE 1024 26 #define NTREC 10 27 #define HIGHDENSITYTREC 32 28 #define TP_NINDIR (TP_BSIZE/2) 29 #define LBLSIZE 16 30 #define NAMELEN 64 31 32 #define OFS_MAGIC (int)60011 33 #define NFS_MAGIC (int)60012 34 #define CHECKSUM (int)84446 35 36 union u_spcl { 37 char dummy[TP_BSIZE]; 38 struct s_spcl { 39 long c_type; /* record type (see below) */ 40 time_t c_date; /* date of this dump */ 41 time_t c_ddate; /* date of previous dump */ 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 */ 55 long c_flags; /* additional information */ 56 long c_firstrec; /* first record on volume */ 57 long c_spare[32]; /* reserved for future uses */ 58 } s_spcl; 59 } u_spcl; 60 #define spcl u_spcl.s_spcl 61 /* 62 * special record types 63 */ 64 #define TS_TAPE 1 /* dump tape header */ 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 */ 70 71 /* 72 * flag values 73 */ 74 #define DR_NEWHEADER 0x0001 /* new format tape header */ 75 #define DR_NEWINODEFMT 0x0002 /* new format inodes on tape */ 76 77 #define DUMPOUTFMT "%-16s %c %s" /* for printf */ 78 /* name, level, ctime(date) */ 79 #define DUMPINFMT "%16s %c %[^\n]\n" /* inverse for scanf */ 80 81 #endif /* !_DUMPRESTORE_H_ */ 82