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Annotation of 43BSDTahoe/include/protocols/dumprestore.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  *
        !             6:  *     @(#)dumprestore.h       5.3 (Berkeley) 1/28/87
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * TP_BSIZE is the size of file blocks on the dump tapes.
        !            11:  * Note that TP_BSIZE must be a multiple of DEV_BSIZE.
        !            12:  *
        !            13:  * NTREC is the number of TP_BSIZE blocks that are written
        !            14:  * in each tape record. HIGHDENSITYTREC is the number of
        !            15:  * TP_BSIZE blocks that are written in each tape record on
        !            16:  * 6250 BPI or higher density tapes.
        !            17:  *
        !            18:  * TP_NINDIR is the number of indirect pointers in a TS_INODE
        !            19:  * or TS_ADDR record. Note that it must be a power of two.
        !            20:  */
        !            21: #define TP_BSIZE       1024
        !            22: #define NTREC          10
        !            23: #define HIGHDENSITYTREC        32
        !            24: #define TP_NINDIR      (TP_BSIZE/2)
        !            25: #define LBLSIZE                16
        !            26: #define NAMELEN                64
        !            27: 
        !            28: #define OFS_MAGIC      (int)60011
        !            29: #define NFS_MAGIC      (int)60012
        !            30: #define CHECKSUM       (int)84446
        !            31: 
        !            32: union u_spcl {
        !            33:        char dummy[TP_BSIZE];
        !            34:        struct  s_spcl {
        !            35:                long    c_type;             /* record type (see below) */
        !            36:                time_t  c_date;             /* date of previous dump */
        !            37:                time_t  c_ddate;            /* date of this dump */
        !            38:                long    c_volume;           /* dump volume number */
        !            39:                daddr_t c_tapea;            /* logical block of this record */
        !            40:                ino_t   c_inumber;          /* number of inode */
        !            41:                long    c_magic;            /* magic number (see above) */
        !            42:                long    c_checksum;         /* record checksum */
        !            43:                struct  dinode  c_dinode;   /* ownership and mode of inode */
        !            44:                long    c_count;            /* number of valid c_addr entries */
        !            45:                char    c_addr[TP_NINDIR];  /* 1 => data; 0 => hole in inode */
        !            46:                char    c_label[LBLSIZE];   /* dump label */
        !            47:                long    c_level;            /* level of this dump */
        !            48:                char    c_filesys[NAMELEN]; /* name of dumpped file system */
        !            49:                char    c_dev[NAMELEN];     /* name of dumpped device */
        !            50:                char    c_host[NAMELEN];    /* name of dumpped host */
        !            51:                long    c_flags;            /* additional information */
        !            52:        } s_spcl;
        !            53: } u_spcl;
        !            54: #define spcl u_spcl.s_spcl
        !            55: /*
        !            56:  * special record types
        !            57:  */
        !            58: #define TS_TAPE        1       /* dump tape header */
        !            59: #define TS_INODE       2       /* beginning of file record */
        !            60: #define TS_ADDR        4       /* continuation of file record */
        !            61: #define TS_BITS        3       /* map of inodes on tape */
        !            62: #define TS_CLRI        6       /* map of inodes deleted since last dump */
        !            63: #define TS_END         5       /* end of volume marker */
        !            64: 
        !            65: /*
        !            66:  * flag values
        !            67:  */
        !            68: #define DR_NEWHEADER   1       /* new format tape header */
        !            69: 
        !            70: #define        DUMPOUTFMT      "%-16s %c %s"           /* for printf */
        !            71:                                                /* name, incno, ctime(date) */
        !            72: #define        DUMPINFMT       "%16s %c %[^\n]\n"      /* inverse for scanf */

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