1 /* cygwin/mtio.h header file for Cygwin. 2 3 by C. Vinschen. */ 4 5 #ifndef _CYGWIN_MTIO_H 6 #define _CYGWIN_MTIO_H 7 8 #include <sys/ioctl.h> 9 #include <asm/socket.h> 10 11 /* 12 * Structures and definitions for mag tape io control commands 13 */ 14 15 /* structure for MTIOCTOP - mag tape op command */ 16 struct mtop { 17 short mt_op; /* operations defined below */ 18 int mt_count; /* how many of them */ 19 }; 20 21 /* Magnetic Tape operations [Not all operations supported by all drivers]: */ 22 #define MTRESET 0 /* +reset drive in case of problems */ 23 #define MTFSF 1 /* forward space over FileMark, 24 * position at first record of next file 25 */ 26 #define MTBSF 2 /* backward space FileMark (position before FM) */ 27 #define MTFSR 3 /* forward space record */ 28 #define MTBSR 4 /* backward space record */ 29 #define MTWEOF 5 /* write an end-of-file record (mark) */ 30 #define MTREW 6 /* rewind */ 31 #define MTOFFL 7 /* rewind and put the drive offline (eject?) */ 32 #define MTNOP 8 /* no op, set status only (read with MTIOCGET) */ 33 #define MTRETEN 9 /* retension tape */ 34 #define MTBSFM 10 /* +backward space FileMark, position at FM */ 35 #define MTFSFM 11 /* +forward space FileMark, position at FM */ 36 #define MTEOM 12 /* goto end of recorded media (for appending files). 37 * MTEOM positions after the last FM, ready for 38 * appending another file. 39 */ 40 #define MTERASE 13 /* erase tape -- be careful! */ 41 42 #define MTRAS1 14 /* run self test 1 (nondestructive) */ 43 #define MTRAS2 15 /* run self test 2 (destructive) */ 44 #define MTRAS3 16 /* reserved for self test 3 */ 45 46 #define MTSETBLK 20 /* set block length (SCSI) */ 47 #define MTSETDENSITY 21 /* set tape density (SCSI) */ 48 #define MTSEEK 22 /* seek to block (Tandberg, etc.) */ 49 #define MTTELL 23 /* tell block (Tandberg, etc.) */ 50 #define MTSETDRVBUFFER 24 /* set the drive buffering according to SCSI-2 */ 51 /* ordinary buffered operation with code 1 */ 52 #define MTFSS 25 /* space forward over setmarks */ 53 #define MTBSS 26 /* space backward over setmarks */ 54 #define MTWSM 27 /* write setmarks */ 55 56 #define MTLOCK 28 /* lock the drive door */ 57 #define MTUNLOCK 29 /* unlock the drive door */ 58 #define MTLOAD 30 /* execute the SCSI load command */ 59 #define MTUNLOAD 31 /* execute the SCSI unload command */ 60 #define MTCOMPRESSION 32/* control compression with SCSI mode page 15 */ 61 #define MTSETPART 33 /* Change the active tape partition */ 62 #define MTMKPART 34 /* Format the tape with one or two partitions */ 63 64 /* structure for MTIOCGET - mag tape get status command */ 65 66 struct mtget { 67 long mt_type; /* type of magtape device 68 * Cygwin: MT_ISUNKNOWN */ 69 long mt_resid; /* residual count: (not sure) 70 * number of bytes ignored, or 71 * number of files not skipped, or 72 * number of records not skipped. 73 * Cygwin: remaining KB. 74 */ 75 /* the following registers are device dependent */ 76 long mt_dsreg; /* status register */ 77 long mt_gstat; /* generic (device independent) status */ 78 long mt_erreg; /* error register */ 79 /* The next two fields are not always used */ 80 long mt_fileno; /* number of current file on tape */ 81 long mt_blkno; /* current block number */ 82 /* The next are Windows NT specific */ 83 long long mt_capacity; /* Tape capacity in bytes */ 84 long long mt_remaining; /* Remaining bytes */ 85 int mt_minblksize; 86 int mt_maxblksize; 87 int mt_defblksize; 88 unsigned long mt_featureslow; 89 unsigned long mt_featureshigh; 90 }; 91 92 /* structure for MTIOCPOS - mag tape get position command */ 93 94 struct mtpos { 95 long mt_blkno; /* current block number */ 96 }; 97 98 99 /* mag tape io control commands */ 100 #define MTIOCTOP _IOW('m', 1, struct mtop) /* do a mag tape op */ 101 #define MTIOCGET _IOR('m', 2, struct mtget) /* get tape status */ 102 #define MTIOCPOS _IOR('m', 3, struct mtpos) /* get tape position */ 103 104 /* Generic Mag Tape (device independent) status macros for examining 105 * mt_gstat -- HP-UX compatible. 106 * There is room for more generic status bits here, but I don't 107 * know which of them are reserved. At least three or so should 108 * be added to make this really useful. 109 */ 110 #define GMT_EOF(x) ((x) & 0x80000000) 111 #define GMT_BOT(x) ((x) & 0x40000000) 112 #define GMT_EOT(x) ((x) & 0x20000000) 113 #define GMT_SM(x) ((x) & 0x10000000) /* DDS setmark */ 114 #define GMT_EOD(x) ((x) & 0x08000000) /* DDS EOD */ 115 #define GMT_WR_PROT(x) ((x) & 0x04000000) 116 /* #define GMT_ ? ((x) & 0x02000000) */ 117 #define GMT_ONLINE(x) ((x) & 0x01000000) 118 #define GMT_D_6250(x) ((x) & 0x00800000) 119 #define GMT_D_1600(x) ((x) & 0x00400000) 120 #define GMT_D_800(x) ((x) & 0x00200000) 121 #define GMT_PADDING(x) ((x) & 0x00100000) /* data padding */ 122 #define GMT_HW_ECC(x) ((x) & 0x00080000) /* HW error correction */ 123 #define GMT_DR_OPEN(x) ((x) & 0x00040000) /* door open (no tape) */ 124 #define GMT_HW_COMP(x) ((x) & 0x00020000) /* HW compression */ 125 #define GMT_IM_REP_EN(x) ((x) & 0x00010000) /* immediate report mode */ 126 /* 16 generic status bits unused */ 127 128 129 /* SCSI-tape specific definitions */ 130 /* Bitfield shifts in the status mt_dsreg */ 131 #define MT_ST_BLKSIZE_SHIFT 0 132 #define MT_ST_BLKSIZE_MASK 0xffffff 133 #define MT_ST_DENSITY_SHIFT 24 134 #define MT_ST_DENSITY_MASK 0xff000000 135 136 #define MT_ST_SOFTERR_SHIFT 0 137 #define MT_ST_SOFTERR_MASK 0xffff 138 139 /* 140 * Constants for mt_type. Not all of these are supported, 141 * and these are not all of the ones that are supported. 142 */ 143 #define MT_ISUNKNOWN 0x01 144 #define MT_ISQIC02 0x02 /* Generic QIC-02 tape streamer */ 145 #define MT_ISWT5150 0x03 /* Wangtek 5150EQ, QIC-150, QIC-02 */ 146 #define MT_ISARCHIVE_5945L2 0x04 /* Archive 5945L-2, QIC-24, QIC-02? */ 147 #define MT_ISCMSJ500 0x05 /* CMS Jumbo 500 (QIC-02?) */ 148 #define MT_ISTDC3610 0x06 /* Tandberg 6310, QIC-24 */ 149 #define MT_ISARCHIVE_VP60I 0x07 /* Archive VP60i, QIC-02 */ 150 #define MT_ISARCHIVE_2150L 0x08 /* Archive Viper 2150L */ 151 #define MT_ISARCHIVE_2060L 0x09 /* Archive Viper 2060L */ 152 #define MT_ISARCHIVESC499 0x0A /* Archive SC-499 QIC-36 controller */ 153 #define MT_ISQIC02_ALL_FEATURES 0x0F /* Generic QIC-02 with all features */ 154 #define MT_ISWT5099EEN24 0x11 /* Wangtek 5099-een24, 60MB, QIC-24 */ 155 #define MT_ISTEAC_MT2ST 0x12 /* Teac MT-2ST 155mb drive, Teac DC-1 card (Wangtek type) */ 156 #define MT_ISEVEREX_FT40A 0x32 /* Everex FT40A (QIC-40) */ 157 #define MT_ISDDS1 0x51 /* DDS device without partitions */ 158 #define MT_ISDDS2 0x52 /* DDS device with partitions */ 159 #define MT_ISSCSI1 0x71 /* Generic ANSI SCSI-1 tape unit */ 160 #define MT_ISSCSI2 0x72 /* Generic ANSI SCSI-2 tape unit */ 161 162 struct mt_tape_info { 163 long t_type; /* device type id (mt_type) */ 164 char *t_name; /* descriptive name */ 165 }; 166 167 #define MT_TAPE_INFO { \ 168 {MT_ISUNKNOWN, "Unknown type of tape device"}, \ 169 {MT_ISQIC02, "Generic QIC-02 tape streamer"}, \ 170 {MT_ISWT5150, "Wangtek 5150, QIC-150"}, \ 171 {MT_ISARCHIVE_5945L2, "Archive 5945L-2"}, \ 172 {MT_ISCMSJ500, "CMS Jumbo 500"}, \ 173 {MT_ISTDC3610, "Tandberg TDC 3610, QIC-24"}, \ 174 {MT_ISARCHIVE_VP60I, "Archive VP60i, QIC-02"}, \ 175 {MT_ISARCHIVE_2150L, "Archive Viper 2150L"}, \ 176 {MT_ISARCHIVE_2060L, "Archive Viper 2060L"}, \ 177 {MT_ISARCHIVESC499, "Archive SC-499 QIC-36 controller"}, \ 178 {MT_ISQIC02_ALL_FEATURES, "Generic QIC-02 tape, all features"}, \ 179 {MT_ISWT5099EEN24, "Wangtek 5099-een24, 60MB"}, \ 180 {MT_ISTEAC_MT2ST, "Teac MT-2ST 155mb data cassette drive"}, \ 181 {MT_ISEVEREX_FT40A, "Everex FT40A, QIC-40"}, \ 182 {MT_ISSCSI1, "Generic SCSI-1 tape"}, \ 183 {MT_ISSCSI2, "Generic SCSI-2 tape"}, \ 184 {0, NULL} \ 185 } 186 187 #endif /* _CYGWIN_MTIO_H */ |