projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/mtio.h header file for Linux. Written by H. Bergman | |
| 3 | * | |
| 4 | * Modified for special ioctls provided by zftape in September 1997 | |
| 5 | * by C.-J. Heine. | |
| 6 | */ | |
| 7 | ||
| 8 | #ifndef _LINUX_MTIO_H | |
| 9 | #define _LINUX_MTIO_H | |
| 10 | ||
| 11 | #include <linux/types.h> | |
| 12 | #include <linux/ioctl.h> | |
| 1da177e4 LT |
13 | |
| 14 | /* | |
| 15 | * Structures and definitions for mag tape io control commands | |
| 16 | */ | |
| 17 | ||
| 18 | /* structure for MTIOCTOP - mag tape op command */ | |
| 19 | struct mtop { | |
| 20 | short mt_op; /* operations defined below */ | |
| 21 | int mt_count; /* how many of them */ | |
| 22 | }; | |
| 23 | ||
| 24 | /* Magnetic Tape operations [Not all operations supported by all drivers]: */ | |
| 25 | #define MTRESET 0 /* +reset drive in case of problems */ | |
| 26 | #define MTFSF 1 /* forward space over FileMark, | |
| 27 | * position at first record of next file | |
| 28 | */ | |
| 29 | #define MTBSF 2 /* backward space FileMark (position before FM) */ | |
| 30 | #define MTFSR 3 /* forward space record */ | |
| 31 | #define MTBSR 4 /* backward space record */ | |
| 32 | #define MTWEOF 5 /* write an end-of-file record (mark) */ | |
| 33 | #define MTREW 6 /* rewind */ | |
| 34 | #define MTOFFL 7 /* rewind and put the drive offline (eject?) */ | |
| 35 | #define MTNOP 8 /* no op, set status only (read with MTIOCGET) */ | |
| 36 | #define MTRETEN 9 /* retension tape */ | |
| 37 | #define MTBSFM 10 /* +backward space FileMark, position at FM */ | |
| 38 | #define MTFSFM 11 /* +forward space FileMark, position at FM */ | |
| 39 | #define MTEOM 12 /* goto end of recorded media (for appending files). | |
| 40 | * MTEOM positions after the last FM, ready for | |
| 41 | * appending another file. | |
| 42 | */ | |
| 43 | #define MTERASE 13 /* erase tape -- be careful! */ | |
| 44 | ||
| 45 | #define MTRAS1 14 /* run self test 1 (nondestructive) */ | |
| 46 | #define MTRAS2 15 /* run self test 2 (destructive) */ | |
| 47 | #define MTRAS3 16 /* reserved for self test 3 */ | |
| 48 | ||
| 49 | #define MTSETBLK 20 /* set block length (SCSI) */ | |
| 50 | #define MTSETDENSITY 21 /* set tape density (SCSI) */ | |
| 51 | #define MTSEEK 22 /* seek to block (Tandberg, etc.) */ | |
| 52 | #define MTTELL 23 /* tell block (Tandberg, etc.) */ | |
| 53 | #define MTSETDRVBUFFER 24 /* set the drive buffering according to SCSI-2 */ | |
| 54 | /* ordinary buffered operation with code 1 */ | |
| 55 | #define MTFSS 25 /* space forward over setmarks */ | |
| 56 | #define MTBSS 26 /* space backward over setmarks */ | |
| 57 | #define MTWSM 27 /* write setmarks */ | |
| 58 | ||
| 59 | #define MTLOCK 28 /* lock the drive door */ | |
| 60 | #define MTUNLOCK 29 /* unlock the drive door */ | |
| 61 | #define MTLOAD 30 /* execute the SCSI load command */ | |
| 62 | #define MTUNLOAD 31 /* execute the SCSI unload command */ | |
| 63 | #define MTCOMPRESSION 32/* control compression with SCSI mode page 15 */ | |
| 64 | #define MTSETPART 33 /* Change the active tape partition */ | |
| 65 | #define MTMKPART 34 /* Format the tape with one or two partitions */ | |
| 3e51d3c9 | 66 | #define MTWEOFI 35 /* write an end-of-file record (mark) in immediate mode */ |
| 1da177e4 LT |
67 | |
| 68 | /* structure for MTIOCGET - mag tape get status command */ | |
| 69 | ||
| 70 | struct mtget { | |
| 71 | long mt_type; /* type of magtape device */ | |
| 72 | long mt_resid; /* residual count: (not sure) | |
| 73 | * number of bytes ignored, or | |
| 74 | * number of files not skipped, or | |
| 75 | * number of records not skipped. | |
| 76 | */ | |
| 77 | /* the following registers are device dependent */ | |
| 78 | long mt_dsreg; /* status register */ | |
| 79 | long mt_gstat; /* generic (device independent) status */ | |
| 80 | long mt_erreg; /* error register */ | |
| 81 | /* The next two fields are not always used */ | |
| 82 | __kernel_daddr_t mt_fileno; /* number of current file on tape */ | |
| 83 | __kernel_daddr_t mt_blkno; /* current block number */ | |
| 84 | }; | |
| 85 | ||
| 86 | ||
| 87 | ||
| 88 | /* | |
| 89 | * Constants for mt_type. Not all of these are supported, | |
| 90 | * and these are not all of the ones that are supported. | |
| 91 | */ | |
| 92 | #define MT_ISUNKNOWN 0x01 | |
| 93 | #define MT_ISQIC02 0x02 /* Generic QIC-02 tape streamer */ | |
| 94 | #define MT_ISWT5150 0x03 /* Wangtek 5150EQ, QIC-150, QIC-02 */ | |
| 95 | #define MT_ISARCHIVE_5945L2 0x04 /* Archive 5945L-2, QIC-24, QIC-02? */ | |
| 96 | #define MT_ISCMSJ500 0x05 /* CMS Jumbo 500 (QIC-02?) */ | |
| 97 | #define MT_ISTDC3610 0x06 /* Tandberg 6310, QIC-24 */ | |
| 98 | #define MT_ISARCHIVE_VP60I 0x07 /* Archive VP60i, QIC-02 */ | |
| 99 | #define MT_ISARCHIVE_2150L 0x08 /* Archive Viper 2150L */ | |
| 100 | #define MT_ISARCHIVE_2060L 0x09 /* Archive Viper 2060L */ | |
| 101 | #define MT_ISARCHIVESC499 0x0A /* Archive SC-499 QIC-36 controller */ | |
| 102 | #define MT_ISQIC02_ALL_FEATURES 0x0F /* Generic QIC-02 with all features */ | |
| 103 | #define MT_ISWT5099EEN24 0x11 /* Wangtek 5099-een24, 60MB, QIC-24 */ | |
| 104 | #define MT_ISTEAC_MT2ST 0x12 /* Teac MT-2ST 155mb drive, Teac DC-1 card (Wangtek type) */ | |
| 105 | #define MT_ISEVEREX_FT40A 0x32 /* Everex FT40A (QIC-40) */ | |
| 106 | #define MT_ISDDS1 0x51 /* DDS device without partitions */ | |
| 107 | #define MT_ISDDS2 0x52 /* DDS device with partitions */ | |
| 108 | #define MT_ISONSTREAM_SC 0x61 /* OnStream SCSI tape drives (SC-x0) | |
| 109 | and SCSI emulated (DI, DP, USB) */ | |
| 110 | #define MT_ISSCSI1 0x71 /* Generic ANSI SCSI-1 tape unit */ | |
| 111 | #define MT_ISSCSI2 0x72 /* Generic ANSI SCSI-2 tape unit */ | |
| 112 | ||
| 113 | /* QIC-40/80/3010/3020 ftape supported drives. | |
| 114 | * 20bit vendor ID + 0x800000 (see ftape-vendors.h) | |
| 115 | */ | |
| 116 | #define MT_ISFTAPE_UNKNOWN 0x800000 /* obsolete */ | |
| 117 | #define MT_ISFTAPE_FLAG 0x800000 | |
| 118 | ||
| 1da177e4 LT |
119 | |
| 120 | /* structure for MTIOCPOS - mag tape get position command */ | |
| 121 | ||
| 122 | struct mtpos { | |
| 123 | long mt_blkno; /* current block number */ | |
| 124 | }; | |
| 125 | ||
| 126 | ||
| 1da177e4 LT |
127 | /* mag tape io control commands */ |
| 128 | #define MTIOCTOP _IOW('m', 1, struct mtop) /* do a mag tape op */ | |
| 129 | #define MTIOCGET _IOR('m', 2, struct mtget) /* get tape status */ | |
| 130 | #define MTIOCPOS _IOR('m', 3, struct mtpos) /* get tape position */ | |
| 131 | ||
| 1da177e4 LT |
132 | |
| 133 | /* Generic Mag Tape (device independent) status macros for examining | |
| 134 | * mt_gstat -- HP-UX compatible. | |
| 135 | * There is room for more generic status bits here, but I don't | |
| 136 | * know which of them are reserved. At least three or so should | |
| 137 | * be added to make this really useful. | |
| 138 | */ | |
| 139 | #define GMT_EOF(x) ((x) & 0x80000000) | |
| 140 | #define GMT_BOT(x) ((x) & 0x40000000) | |
| 141 | #define GMT_EOT(x) ((x) & 0x20000000) | |
| 142 | #define GMT_SM(x) ((x) & 0x10000000) /* DDS setmark */ | |
| 143 | #define GMT_EOD(x) ((x) & 0x08000000) /* DDS EOD */ | |
| 144 | #define GMT_WR_PROT(x) ((x) & 0x04000000) | |
| 145 | /* #define GMT_ ? ((x) & 0x02000000) */ | |
| 146 | #define GMT_ONLINE(x) ((x) & 0x01000000) | |
| 147 | #define GMT_D_6250(x) ((x) & 0x00800000) | |
| 148 | #define GMT_D_1600(x) ((x) & 0x00400000) | |
| 149 | #define GMT_D_800(x) ((x) & 0x00200000) | |
| 150 | /* #define GMT_ ? ((x) & 0x00100000) */ | |
| 151 | /* #define GMT_ ? ((x) & 0x00080000) */ | |
| 152 | #define GMT_DR_OPEN(x) ((x) & 0x00040000) /* door open (no tape) */ | |
| 153 | /* #define GMT_ ? ((x) & 0x00020000) */ | |
| 154 | #define GMT_IM_REP_EN(x) ((x) & 0x00010000) /* immediate report mode */ | |
| 155 | #define GMT_CLN(x) ((x) & 0x00008000) /* cleaning requested */ | |
| 156 | /* 15 generic status bits unused */ | |
| 157 | ||
| 158 | ||
| 159 | /* SCSI-tape specific definitions */ | |
| 160 | /* Bitfield shifts in the status */ | |
| 161 | #define MT_ST_BLKSIZE_SHIFT 0 | |
| 162 | #define MT_ST_BLKSIZE_MASK 0xffffff | |
| 163 | #define MT_ST_DENSITY_SHIFT 24 | |
| 164 | #define MT_ST_DENSITY_MASK 0xff000000 | |
| 165 | ||
| 166 | #define MT_ST_SOFTERR_SHIFT 0 | |
| 167 | #define MT_ST_SOFTERR_MASK 0xffff | |
| 168 | ||
| 169 | /* Bitfields for the MTSETDRVBUFFER ioctl */ | |
| 170 | #define MT_ST_OPTIONS 0xf0000000 | |
| 171 | #define MT_ST_BOOLEANS 0x10000000 | |
| 172 | #define MT_ST_SETBOOLEANS 0x30000000 | |
| 173 | #define MT_ST_CLEARBOOLEANS 0x40000000 | |
| 174 | #define MT_ST_WRITE_THRESHOLD 0x20000000 | |
| 175 | #define MT_ST_DEF_BLKSIZE 0x50000000 | |
| 176 | #define MT_ST_DEF_OPTIONS 0x60000000 | |
| 177 | #define MT_ST_TIMEOUTS 0x70000000 | |
| 178 | #define MT_ST_SET_TIMEOUT (MT_ST_TIMEOUTS | 0x000000) | |
| 179 | #define MT_ST_SET_LONG_TIMEOUT (MT_ST_TIMEOUTS | 0x100000) | |
| 180 | #define MT_ST_SET_CLN 0x80000000 | |
| 181 | ||
| 182 | #define MT_ST_BUFFER_WRITES 0x1 | |
| 183 | #define MT_ST_ASYNC_WRITES 0x2 | |
| 184 | #define MT_ST_READ_AHEAD 0x4 | |
| 185 | #define MT_ST_DEBUGGING 0x8 | |
| 186 | #define MT_ST_TWO_FM 0x10 | |
| 187 | #define MT_ST_FAST_MTEOM 0x20 | |
| 188 | #define MT_ST_AUTO_LOCK 0x40 | |
| 189 | #define MT_ST_DEF_WRITES 0x80 | |
| 190 | #define MT_ST_CAN_BSR 0x100 | |
| 191 | #define MT_ST_NO_BLKLIMS 0x200 | |
| 192 | #define MT_ST_CAN_PARTITIONS 0x400 | |
| 193 | #define MT_ST_SCSI2LOGICAL 0x800 | |
| 194 | #define MT_ST_SYSV 0x1000 | |
| 195 | #define MT_ST_NOWAIT 0x2000 | |
| 40f6b36c | 196 | #define MT_ST_SILI 0x4000 |
| 1da177e4 LT |
197 | |
| 198 | /* The mode parameters to be controlled. Parameter chosen with bits 20-28 */ | |
| 199 | #define MT_ST_CLEAR_DEFAULT 0xfffff | |
| 200 | #define MT_ST_DEF_DENSITY (MT_ST_DEF_OPTIONS | 0x100000) | |
| 201 | #define MT_ST_DEF_COMPRESSION (MT_ST_DEF_OPTIONS | 0x200000) | |
| 202 | #define MT_ST_DEF_DRVBUFFER (MT_ST_DEF_OPTIONS | 0x300000) | |
| 203 | ||
| 204 | /* The offset for the arguments for the special HP changer load command. */ | |
| 205 | #define MT_ST_HPLOADER_OFFSET 10000 | |
| 206 | ||
| 207 | #endif /* _LINUX_MTIO_H */ |