FreeBSD/Linux Kernel Cross Reference
sys/sys/ftape.h

     /*
      *  Copyright (c) 1993 Steve Gerakines
      *
      *  This is freely redistributable software.  You may do anything you
      *  wish with it, so long as the above notice stays intact.
      *
      *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
      *  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
      *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     *  DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
     *  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     *  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     *  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     *  IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     *  POSSIBILITY OF SUCH DAMAGE.
     *
     *  ftape.h - QIC-40/80 floppy tape driver functions
     *  10/30/93 v0.3
     *  Set up constant values.  Added support to get hardware info.
     *
     *  08/07/93 v0.2
     *  Header file that sits in /sys/sys, first revision.  Support for
     *  ioctl functions added.
     */
    
    #ifndef _SYS_FTAPE_H_
    #define _SYS_FTAPE_H_
    
    #include <sys/ioccom.h>
    
    /* Miscellaneous constant values */
    #define QCV_BLKSIZE     1024            /* Size of a block */
    #define QCV_SEGSIZE     32768           /* Size of a segment */
    #define QCV_BLKSEG      32              /* Blocks per segment */
    #define QCV_ECCSIZE     3072            /* Bytes ecc eats */
    #define QCV_ECCBLKS     3               /* Blocks ecc eats */
    #define QCV_NFMT        3               /* Number of tape formats */
    #define QCV_NLEN        5               /* Number of tape lengths */
    #define QCV_HDRMAGIC    0xaa55aa55      /* Magic for header segment */
    #define QCV_FSMAGIC     0x33cc33cc      /* Magic for fileset */
    
    #define UCHAR           unsigned char
    #define USHORT          unsigned short
    #define ULONG           unsigned long
    
    /* Segment request structure. */
    typedef struct qic_segment {
            ULONG sg_trk;           /* Track number */
            ULONG sg_seg;           /* Segment number */
            ULONG sg_crcmap;        /* Returned bitmap of CRC errors */
            ULONG sg_badmap;        /* Map of known bad sectors */
            UCHAR *sg_data;         /* Segment w/bad blocks discarded */
    } QIC_Segment;
    
    /* Tape geometry structure. */
    typedef struct qic_geom {
            int g_fmtno;                    /* Format number */
            int g_lenno;                    /* Length number */
            char *g_fmtdesc;                /* Format text description */
            char *g_lendesc;                /* Length text description */
            int g_trktape;                  /* Number of tracks per tape */
            int g_segtrk;                   /* Number of segments per track */
            int g_blktrk;                   /* Number of blocks per track */
            int g_fdtrk;                    /* Floppy disk tracks */
            int g_fdside;                   /* Floppy disk sectors/side */
    } QIC_Geom;
    
    /* Tape hardware info */
    typedef struct qic_hwinfo {
            int hw_make;                    /* 10-bit drive make */
            int hw_model;                   /* 6-bit model */
            int hw_rombeta;                 /* TRUE if beta rom */
            int hw_romid;                   /* 8-bit rom ID */
    } QIC_HWInfo;
    
    /* Various ioctl() routines. */
    #define QIOREAD         _IOWR('q', 1, QIC_Segment)      /* Read segment     */
    #define QIOWRITE        _IOW('q', 2, QIC_Segment)       /* Write segment    */
    #define QIOREWIND       _IO('q', 3)                     /* Rewind tape      */
    #define QIOBOT          _IO('q', 4)                     /* Seek beg of trk  */
    #define QIOEOT          _IO('q', 5)                     /* Seek end of trk  */
    #define QIOTRACK        _IOW('q', 6, int)               /* Seek to track    */
    #define QIOSEEKLP       _IO('q', 7)                     /* Seek load point  */
    #define QIOFORWARD      _IO('q', 8)                     /* Move tape fwd    */
    #define QIOSTOP         _IO('q', 9)                     /* Stop tape        */
    #define QIOPRIMARY      _IO('q', 10)                    /* Primary mode     */
    #define QIOFORMAT       _IO('q', 11)                    /* Format mode      */
    #define QIOVERIFY       _IO('q', 12)                    /* Verify mode      */
    #define QIOWRREF        _IO('q', 13)                    /* Write ref burst  */
    #define QIOSTATUS       _IOR('q', 14, int)              /* Get drive status */
    #define QIOCONFIG       _IOR('q', 15, int)              /* Get tape config  */
    #define QIOGEOM         _IOR('q', 16, QIC_Geom)         /* Get geometry     */
    #define QIOHWINFO       _IOR('q', 17, QIC_HWInfo)       /* Get hardware inf */
    #define QIOSENDHDR      _IOW('q', 18, QIC_Segment)      /* Send header      */
    #define QIORECVHDR      _IOWR('q', 19, QIC_Segment)     /* Receive header   */
    
    /* QIC drive status bits. */
   #define QS_READY                        0x01    /* Drive ready */
   #define QS_ERROR                        0x02    /* Error detected */
   #define QS_CART                         0x04    /* Tape in drive */
   #define QS_RDONLY                       0x08    /* Write protect */
   #define QS_NEWCART                      0x10    /* New tape inserted */
   #define QS_FMTOK                        0x20    /* Tape is formatted */
   #define QS_BOT                          0x40    /* Tape at beginning */
   #define QS_EOT                          0x80    /* Tape at end */
   
   /* QIC configuration bits. */
   #define QCF_RTMASK                      0x18    /* Rate mask */
   #define QCF_RT250                       0x00    /* 250K bps */
   #define QCF_RT2                         0x01    /* 2M bps */
   #define QCF_RT500                       0x02    /* 500K bps */
   #define QCF_RT1                         0x03    /* 1M bps */
   #define QCF_EXTRA                       0x40    /* Extra length tape */
   #define QCF_QIC80                       0x80    /* QIC-80 detected */
   
   /* QIC tape status bits. */
   #define QTS_FMMASK                      0x0f    /* Tape format mask */
   #define QTS_LNMASK                      0xf0    /* Tape length mask */
   #define QTS_QIC40                       0x01    /* QIC-40 tape */
   #define QTS_QIC80                       0x02    /* QIC-80 tape */
   #define QTS_QIC500                      0x03    /* QIC-500 tape */
   #define QTS_LEN1                        0x10    /* 205 ft/550 Oe */
   #define QTS_LEN2                        0x20    /* 307.5 ft/550 Oe */
   #define QTS_LEN3                        0x30    /* 295 ft/900 Oe */
   #define QTS_LEN4                        0x40    /* 1100 ft/550 Oe */
   #define QTS_LEN5                        0x50    /* 1100 ft/900 Oe */
   
   /* Tape header segment structure */
   typedef struct qic_header {
           ULONG qh_sig;           /* Header signature 0x55aa55aa */
           UCHAR qh_fmtc;          /* Format code */
           UCHAR qh_unused1;
           USHORT qh_hseg;         /* Header segment number */
           USHORT qh_dhseg;        /* Duplicate header segment number */
           USHORT qh_first;        /* First logical area data segment */
           USHORT qh_last;         /* Last logical area data segment */
           UCHAR qh_fmtdate[4];    /* Most recent format date */
           UCHAR qh_chgdate[4];    /* Most recent tape change date */
           UCHAR qh_unused2[2];
           USHORT qh_tstrk;        /* Tape segments per track */
           UCHAR qh_ttcart;        /* Tape tracks per cartridge */
           UCHAR qh_mfside;        /* Max floppy sides */
           UCHAR qh_mftrk;         /* Max floppy tracks */
           UCHAR qh_mfsect;        /* Max floppy sector */
           char qh_tname[44];      /* Tape name (ASCII, space filled) */
           UCHAR qh_namdate[4];    /* Date tape was given a name */
           USHORT qh_cprseg;       /* Compression map start segment */
           UCHAR qh_unused3[48];
           UCHAR qh_refmt;         /* Re-format flag */
           UCHAR qh_unused4;
           UCHAR qh_iocount[4];    /* I/O count for life of tape */
           UCHAR qh_unused5[4];
           UCHAR qh_ffmtdate[4];   /* Date first formatted */
           USHORT qh_fmtcount;     /* Number of times formatted */
           USHORT qh_badsect;      /* Failed sector count */
           char qh_mfname[44];     /* Manufacturer name if pre-formatted */
           char qh_mflot[44];      /* Manufacturer lot code */
           UCHAR qh_unused6[22];
           ULONG qh_fail[448];     /* Failed sector log */
           ULONG qh_badmap[6912];  /* Bad sector map */
   } QIC_Header;
   
   /* Volume table of contents entry structure. */
   typedef struct qic_vtbl {
           UCHAR vt_sig[4];        /* Signature "VTBL" if entry used */
           USHORT vt_first;        /* Starting segment */
           USHORT vt_last;         /* Ending segment */
           char vt_vname[44];      /* Set name */
           UCHAR vt_savdate[4];    /* Date saved */
           UCHAR vt_flags;         /* Volume flags */
           UCHAR vt_multi;         /* Multi cartridge sequence no. */
           UCHAR vt_vext[26];      /* Extension data */
           char vt_passwd[8];      /* Password for volume */
           UCHAR vt_dirsize[4];    /* Directory section size */
           UCHAR vt_dtasize[4];    /* Data section size */
           USHORT vt_osver;        /* Operating System version */
           char vt_label[16];      /* Source drive label */
           UCHAR vt_ldev;          /* Logical device origin */
           UCHAR vt_pdev;          /* Physical device origin */
           UCHAR vt_cprtype;       /* Compression type */
           UCHAR vt_ostype;        /* Operating System type */
           UCHAR vt_ostype2;       /* Always zero ?? */
           UCHAR vt_isocpr;        /* ISO compression type */
           UCHAR vt_unused1[4];
   } QIC_VTbl;
   
   /* Data compression map structure. */
   typedef struct qic_dcmap {
           UCHAR dc_sig[4];        /* Signature "DCMS" */
           USHORT dc_mlen;         /* Total map length */
           UCHAR dc_unused1[6];
           ULONG dc_offset[7421];  /* Byte offsets to segments */
   } QIC_DCMap;
   
   /* System specific file set structures - Unix */
   typedef struct qic_unix_set {
           UCHAR fsu_perm;         /* Permissions */
           UCHAR fsu_attr2;        /* More attributes */
           UCHAR fsu_ctime[4];     /* Creation time */
           UCHAR fsu_atime[4];     /* Last access time */
           UCHAR fsu_inode[4];     /* i-node number */
           UCHAR fsu_user[4];      /* User number */
           UCHAR fsu_group[4];     /* Group number */
           UCHAR fsu_major;        /* Major device number */
           UCHAR fsu_minor;        /* Minor device number */
           UCHAR fsu_nsize;        /* Name size */
           UCHAR fsu_name;         /* Entry name starts here */
   } QIC_Unix_Set;
   
   /* File set structure */
   typedef struct qic_fileset {
           UCHAR fs_size;          /* Size of fixed + system size - 1 */
           UCHAR fs_attr;          /* Attributes */
           UCHAR fs_mtime;         /* Modification time */
           UCHAR fs_dsize[4];      /* Data size */
   } QIC_FileSet;
   
   #endif /* !_SYS_FTAPE_H_ */

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