1 /* 2 * Copyright (c) 1990 University of Utah. 3 * Copyright (c) 1990, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department. 9 * 10 * %sccs.include.redist.c% 11 * 12 * from: Utah $Hdr: st.c 1.11 92/01/21$ 13 * 14 * @(#)st.c 8.2 (Berkeley) 11/15/93 15 */ 16 17 /* 18 * SCSI CCS (Command Command Set) tape driver. 19 * 20 * Specific to Exabyte: 21 * mt status: residual="Mbytes to LEOM" 22 * minor bit 4 [b1bbbb] (aka /dev/rst16) selects short filemarks 23 * minor bit 5 [1bbbbb] (aka /dev/rst32) selects fix block mode, 1k blocks. 24 * 25 * Archive drive: 26 * can read both QIC-24 and QIC-II. But only writes 27 * QIC-24. 28 * 29 * Supports Archive Viper QIC-150 tape drive, but scsi.c reports selection 30 * errors. 31 * 32 * Supports Archive Python DAT drive, but will sometimes hang machine. 33 * 34 * Supports HP 35450A DAT drive, but will sometimes hang machine. 35 * Partitioning of tape not supported. 36 * Vendor unique support has not been added. 37 * 38 * 39 * Supports Archive VIPER (QIC-150). 40 * Mostly Supports Archive PYTHON (DAT). 41 * Hangs if write after spin down. 42 * Need scsi.c that does connect/disconnect. 43 */ 44 45 /* 46 * support for the block device not implemented 47 */ 48 49 #include "st.h" 50 #if NST > 0 51 52 #include <sys/param.h> 53 #include <sys/systm.h> 54 #include <sys/buf.h> 55 #include <sys/file.h> 56 #include <sys/proc.h> 57 #include <sys/ioctl.h> 58 #include <sys/tty.h> 59 #include <sys/mtio.h> 60 #include <sys/kernel.h> 61 #include <sys/tprintf.h> 62 63 #include <hp/dev/device.h> 64 #include <hp300/dev/scsireg.h> 65 #include <hp300/dev/stvar.h> 66 67 extern int scsi_test_unit_rdy(); 68 extern int scsi_request_sense(); 69 extern int scsiustart(); 70 extern int scsigo(); 71 extern void scsifree(); 72 extern void scsireset(); 73 extern void scsi_delay(); 74 extern int scsi_tt_oddio(); 75 76 extern int scsi_immed_command(); 77 78 int stinit(), ststart(), stgo(), stintr(); 79 struct driver stdriver = { 80 stinit, "st", ststart, stgo, stintr, 81 }; 82 83 struct st_softc { 84 struct hp_device *sc_hd; 85 struct devqueue sc_dq; 86 long sc_blkno; /* (possible block device support?) */ 87 long sc_resid; /* (possible block device support?) */ 88 int sc_flags; 89 int sc_blklen; /* 0 = variable len records */ 90 int sc_filepos; /* file position on tape */ 91 long sc_numblks; /* number of blocks on tape */ 92 short sc_type; /* ansi scsi type */ 93 short sc_punit; /* physical unit (scsi lun) */ 94 short sc_tapeid; /* tape drive id */ 95 char sc_datalen[32]; /* additional data length on some commands */ 96 short sc_tticntdwn; /* interrupts between TTi display updates */ 97 tpr_t sc_ctty; 98 struct buf *sc_bp; 99 u_char sc_cmd; 100 } st_softc[NST]; 101 102 /* softc flags */ 103 #define STF_ALIVE 0x0001 104 #define STF_OPEN 0x0002 105 #define STF_WMODE 0x0004 106 #define STF_WRTTN 0x0008 107 #define STF_CMD 0x0010 108 #define STF_LEOT 0x0020 109 #define STF_MOVED 0x0040 110 111 struct st_mode st_mode[NST]; 112 113 /* 114 * Maybe this should not be global, but gives chance to get 115 * tape remaining, Rewrites/ECC, etc outside the driver 116 */ 117 static struct st_xsense { 118 struct scsi_xsense sc_xsense; /* data from sense */ 119 struct exb_xsense exb_xsense; /* additional info from exabyte */ 120 } st_xsense[NST]; 121 122 static struct scsi_fmt_cdb stcmd[NST]; 123 124 static struct scsi_fmt_cdb st_read_cmd = { 6, CMD_READ }; 125 static struct scsi_fmt_cdb st_write_cmd = { 6, CMD_WRITE }; 126 127 struct buf sttab[NST]; 128 struct buf stbuf[NST]; 129 130 #define UNIT(x) (minor(x) & 3) 131 #define stpunit(x) ((x) & 7) 132 133 #define STDEV_NOREWIND 0x04 134 #define STDEV_HIDENSITY 0x08 135 #define STDEV_EXSFMK 0x10 136 #define STDEV_FIXEDBLK 0x20 137 138 #ifdef DEBUG 139 int st_debug = 0x0000; 140 #define ST_OPEN 0x0001 141 #define ST_GO 0x0002 142 #define ST_FMKS 0x0004 143 #define ST_OPENSTAT 0x0008 144 #define ST_BRESID 0x0010 145 #define ST_ODDIO 0x0020 146 #endif 147 148 /* 149 * Patchable variable. If an even length read is requested a dma transfer is 150 * used. Only after the read will we find out if the read had an odd number 151 * of bytes. The HP98658 hardware cannot do odd length transfers, the last 152 * byte of the data will always be 0x00. Normally, the driver will complain 153 * about such transfers and return EIO. However, if st_dmaoddretry is non- 154 * zero, the driver will try and issue a BSR and then re-read the data using 155 * 'programmed transfer mode'. In most cases this works, however for unknown 156 * reasons it will hang the machine in certain cases. 157 * 158 * Note: 159 * Odd length read requests are always done using programmed transfer mode. 160 */ 161 int st_dmaoddretry = 0; 162 163 /* 164 * Exabyte only: 165 * From adb can have access to fixed vs. variable length modes. 166 * Use 0x400 for 1k (best capacity) fixed length records. 167 * In st_open, if minor bit 4 set then 1k records are used. 168 * If st_exblken is set to anything other then 0 we are in fixed length mode. 169 * Minor bit 5 requests 1K fixed-length, overriding any setting of st_exblklen. 170 */ 171 int st_exblklen = 0; 172 173 /* exabyte here for adb access, set at open time */ 174 #define EX_CT 0x80 /* international cart - more space W/P6 */ 175 #define EX_ND 0x20 /* no disconnect */ 176 #define EX_NBE 0x08 /* no busy enable */ 177 #define EX_EBD 0x04 /* even byte disconnect */ 178 #define EX_PE 0x02 /* parity enable */ 179 #define EX_NAL 0x01 /* no auto load */ 180 int st_exvup = (EX_CT|EX_ND|EX_NBE); /* vendor unique parameters */ 181 182 /* 183 * motion and reconnect thresholds guidelines: 184 * write operation; lower motion threshold for faster transfer 185 * raise reconnect threshold for slower transfer 186 * read operation; lower motion threshold for slower transfer 187 * raise reconnect threshold for faster transfer 188 */ 189 int st_exmotthr = 0x80; /* motion threshold, 0x80 default */ 190 int st_exreconthr = 0xa0; /* reconnect threshold, 0xa0 default */ 191 int st_exgapthr = 7; /* gap threshold, 7 default */ 192 #ifdef TTI 193 int st_extti = 0x01; /* bitmask of unit numbers, do extra */ 194 /* sensing so TTi display gets updated */ 195 #endif 196 197 stinit(hd) 198 register struct hp_device *hd; 199 { 200 register struct st_softc *sc = &st_softc[hd->hp_unit]; 201 register struct buf *bp; 202 203 for (bp = sttab; bp < &sttab[NST]; bp++) 204 bp->b_actb = &bp->b_actf; 205 sc->sc_hd = hd; 206 sc->sc_punit = stpunit(hd->hp_flags); 207 sc->sc_type = stident(sc, hd); 208 if (sc->sc_type < 0) 209 return(0); 210 sc->sc_dq.dq_ctlr = hd->hp_ctlr; 211 sc->sc_dq.dq_unit = hd->hp_unit; 212 sc->sc_dq.dq_slave = hd->hp_slave; 213 sc->sc_dq.dq_driver = &stdriver; 214 sc->sc_blkno = 0; 215 sc->sc_flags = STF_ALIVE; 216 return(1); 217 } 218 219 stident(sc, hd) 220 register struct st_softc *sc; 221 register struct hp_device *hd; 222 { 223 int unit; 224 int ctlr, slave; 225 int i, stat, inqlen; 226 char idstr[32]; 227 static int havest = 0; 228 struct st_inquiry { 229 struct scsi_inquiry inqbuf; 230 struct exb_inquiry exb_inquiry; 231 } st_inqbuf; 232 static struct scsi_fmt_cdb st_inq = { 233 6, 234 CMD_INQUIRY, 0, 0, 0, sizeof(st_inqbuf), 0 235 }; 236 237 ctlr = hd->hp_ctlr; 238 slave = hd->hp_slave; 239 unit = sc->sc_punit; 240 scsi_delay(-1); 241 242 inqlen = 0x05; /* min */ 243 st_inq.cdb[4] = 0x05; 244 stat = scsi_immed_command(ctlr, slave, unit, &st_inq, 245 (u_char *)&st_inqbuf, inqlen, B_READ); 246 /* do twice as first command on some scsi tapes always fails */ 247 stat = scsi_immed_command(ctlr, slave, unit, &st_inq, 248 (u_char *)&st_inqbuf, inqlen, B_READ); 249 if (stat == -1) 250 goto failed; 251 252 if ((st_inqbuf.inqbuf.type != 0x01 || /* sequential access device */ 253 st_inqbuf.inqbuf.qual != 0x80 || /* removable media */ 254 (st_inqbuf.inqbuf.version != 0x01 && /* current ANSI SCSI spec */ 255 st_inqbuf.inqbuf.version != 0x02)) /* 0x02 is for HP DAT */ 256 && 257 (st_inqbuf.inqbuf.type != 0x01 || /* M4 ??! */ 258 /* 259 * the M4 is a little too smart (ass?) for its own good: 260 * qual codes: 261 * 0x80: you can take the tape out (unit not online) 262 * 0xf8: online and at 6250bpi 263 * 0xf9: online and at 1600bpi 264 */ 265 st_inqbuf.inqbuf.version != 0x09)) /* M4 tape */ 266 { 267 printf("st: wrong specs: type %x qual %x version %d\n", st_inqbuf.inqbuf.type, 268 st_inqbuf.inqbuf.qual, st_inqbuf.inqbuf.version); 269 goto failed; 270 } 271 272 /* now get additonal info */ 273 inqlen = 0x05 + st_inqbuf.inqbuf.len; 274 st_inq.cdb[4] = inqlen; 275 bzero(&st_inqbuf, sizeof(st_inqbuf)); 276 stat = scsi_immed_command(ctlr, slave, unit, &st_inq, 277 (u_char *)&st_inqbuf, inqlen, B_READ); 278 279 if (st_inqbuf.inqbuf.len >= 28) { 280 bcopy((caddr_t)&st_inqbuf.inqbuf.vendor_id, (caddr_t)idstr, 28); 281 for (i = 27; i > 23; --i) 282 if (idstr[i] != ' ') 283 break; 284 idstr[i+1] = 0; 285 for (i = 23; i > 7; --i) 286 if (idstr[i] != ' ') 287 break; 288 idstr[i+1] = 0; 289 for (i = 7; i >= 0; --i) 290 if (idstr[i] != ' ') 291 break; 292 idstr[i+1] = 0; 293 printf("st%d: %s, %s rev %s\n", hd->hp_unit, idstr, &idstr[8], 294 &idstr[24]); 295 } else if (inqlen == 5) 296 /* great it's a stupid device, doesn't know it's know name */ 297 idstr[0] = idstr[8] = '\0'; 298 else 299 idstr[8] = '\0'; 300 301 if (stat == 0xff) { 302 printf("st%d: Cant handle this tape drive\n", hd->hp_unit); 303 goto failed; 304 } 305 306 if (bcmp("EXB-8200", &idstr[8], 8) == 0) { 307 sc->sc_tapeid = MT_ISEXABYTE; 308 sc->sc_datalen[CMD_REQUEST_SENSE] = 26; 309 sc->sc_datalen[CMD_INQUIRY] = 52; 310 sc->sc_datalen[CMD_MODE_SELECT] = 17; 311 sc->sc_datalen[CMD_MODE_SENSE] = 17; 312 } else if (bcmp("VIPER 150", &idstr[8], 9) == 0) { 313 sc->sc_tapeid = MT_ISVIPER1; 314 sc->sc_datalen[CMD_REQUEST_SENSE] = 14; 315 sc->sc_datalen[CMD_INQUIRY] = 36; 316 sc->sc_datalen[CMD_MODE_SELECT] = 12; 317 sc->sc_datalen[CMD_MODE_SENSE] = 12; 318 } else if (bcmp("Python 25501", &idstr[8], 12) == 0) { 319 sc->sc_tapeid = MT_ISPYTHON; 320 sc->sc_datalen[CMD_REQUEST_SENSE] = 14; 321 sc->sc_datalen[CMD_INQUIRY] = 36; 322 sc->sc_datalen[CMD_MODE_SELECT] = 12; 323 sc->sc_datalen[CMD_MODE_SENSE] = 12; 324 } else if (bcmp("HP35450A", &idstr[8], 8) == 0) { 325 /* XXX "extra" stat makes the HP drive happy at boot time */ 326 stat = scsi_test_unit_rdy(ctlr, slave, unit); 327 sc->sc_tapeid = MT_ISHPDAT; 328 sc->sc_datalen[CMD_REQUEST_SENSE] = 14; 329 sc->sc_datalen[CMD_INQUIRY] = 36; 330 sc->sc_datalen[CMD_MODE_SELECT] = 12; 331 sc->sc_datalen[CMD_MODE_SENSE] = 12; 332 } else if (bcmp("123107 SCSI", &idstr[8], 11) == 0 || 333 bcmp("OPEN REEL TAPE", &idstr[8], 14) == 0) { 334 sc->sc_tapeid = MT_ISMFOUR; 335 sc->sc_datalen[CMD_REQUEST_SENSE] = 8; 336 sc->sc_datalen[CMD_INQUIRY] = 5; 337 sc->sc_datalen[CMD_MODE_SELECT] = 12; 338 sc->sc_datalen[CMD_MODE_SENSE] = 12; 339 } else { 340 if (idstr[8] == '\0') 341 printf("st%d: No ID, assuming Archive\n", hd->hp_unit); 342 else 343 printf("st%d: Unsupported tape device\n", hd->hp_unit); 344 sc->sc_tapeid = MT_ISAR; 345 sc->sc_datalen[CMD_REQUEST_SENSE] = 8; 346 sc->sc_datalen[CMD_INQUIRY] = 5; 347 sc->sc_datalen[CMD_MODE_SELECT] = 12; 348 sc->sc_datalen[CMD_MODE_SENSE] = 12; 349 } 350 351 sc->sc_filepos = 0; 352 353 /* load xsense */ 354 stxsense(ctlr, slave, unit, sc); 355 356 scsi_delay(0); 357 /* XXX if we have a tape, we must up the delays in the HA driver */ 358 if (!havest) { 359 havest = 1; 360 scsi_delay(20000); 361 } 362 return(st_inqbuf.inqbuf.type); 363 failed: 364 scsi_delay(0); 365 return(-1); 366 } 367 368 stopen(dev, flag, type, p) 369 dev_t dev; 370 int flag, type; 371 struct proc *p; 372 { 373 register struct st_softc *sc = &st_softc[UNIT(dev)]; 374 register struct st_xsense *xsense; 375 register int count; 376 register int stat; 377 int ctlr, slave, unit; 378 struct mode_select_data msd; 379 struct mode_sense mode; 380 int modlen; 381 int error; 382 static struct scsi_fmt_cdb modsel = { 383 6, 384 CMD_MODE_SELECT, 0, 0, 0, sizeof(msd), 0 385 }; 386 static struct scsi_fmt_cdb unitready = { 387 6, 388 CMD_TEST_UNIT_READY, 0, 0, 0, 0, 0 389 }; 390 static struct scsi_fmt_cdb modsense = { 391 6, 392 CMD_MODE_SENSE, 0, 0, 0, sizeof(mode), 0 393 }; 394 395 ctlr = sc->sc_dq.dq_ctlr; 396 slave = sc->sc_dq.dq_slave; 397 unit = sc->sc_punit; 398 xsense = &st_xsense[UNIT(dev)]; 399 400 if (UNIT(dev) > NST || (sc->sc_flags & STF_ALIVE) == 0) 401 return(ENXIO); 402 if (sc->sc_flags & STF_OPEN) 403 return(EBUSY); 404 405 /* 406 * Be prepared to print error messages 407 */ 408 sc->sc_ctty = tprintf_open(p); 409 410 /* do a mode sense to get current */ 411 modlen = sc->sc_datalen[CMD_MODE_SENSE]; 412 modsense.cdb[4] = modlen; 413 stat = scsi_immed_command(ctlr, slave, unit, &modsense, 414 (u_char *)&mode, modlen, B_READ); 415 416 /* do a mode sense to get current */ 417 modlen = sc->sc_datalen[CMD_MODE_SENSE]; 418 modsense.cdb[4] = modlen; 419 stat = scsi_immed_command(ctlr, slave, unit, &modsense, 420 (u_char *)&mode, modlen, B_READ); 421 422 /* set record length */ 423 switch (sc->sc_tapeid) { 424 case MT_ISAR: 425 sc->sc_blklen = 512; 426 break; 427 case MT_ISEXABYTE: 428 if (minor(dev) & STDEV_FIXEDBLK) 429 sc->sc_blklen = 0x400; 430 else 431 sc->sc_blklen = st_exblklen; 432 break; 433 case MT_ISHPDAT: 434 sc->sc_blklen = 512; 435 break; 436 case MT_ISVIPER1: 437 sc->sc_blklen = 512; 438 break; 439 case MT_ISPYTHON: 440 sc->sc_blklen = 512; 441 break; 442 case MT_ISMFOUR: 443 sc->sc_blklen = 0; 444 break; 445 default: 446 if ((mode.md.blklen2 << 16 | 447 mode.md.blklen1 << 8 | 448 mode.md.blklen0) != 0) 449 sc->sc_blklen = mode.md.blklen2 << 16 | 450 mode.md.blklen1 << 8 | 451 mode.md.blklen0; 452 else 453 sc->sc_blklen = 512; 454 } 455 456 /* setup for mode select */ 457 msd.rsvd1 = 0; 458 msd.rsvd2 = 0; 459 msd.rsvd3 = 0; 460 msd.buff = 1; 461 msd.speed = 0; 462 msd.blkdeslen = 0x08; 463 msd.density = 0; 464 msd.blks2 = 0; 465 msd.blks1 = 0; 466 msd.blks0 = 0; 467 msd.rsvd4 = 0; 468 msd.blklen2 = (sc->sc_blklen >> 16) & 0xff; 469 msd.blklen1 = (sc->sc_blklen >> 8) & 0xff; 470 msd.blklen0 = sc->sc_blklen & 0xff; 471 472 /* 473 * Do we have any density problems? 474 */ 475 476 switch (sc->sc_tapeid) { 477 case MT_ISAR: 478 if (minor(dev) & STDEV_HIDENSITY) 479 msd.density = 0x5; 480 else { 481 if (flag & FWRITE) { 482 uprintf("Can only write QIC-24\n"); 483 return(EIO); 484 } 485 msd.density = 0x4; 486 } 487 break; 488 case MT_ISEXABYTE: 489 if (minor(dev) & STDEV_HIDENSITY) 490 uprintf("EXB-8200 density support only\n"); 491 msd.vupb = (u_char)st_exvup; 492 msd.rsvd5 = 0; 493 msd.p5 = 0; 494 msd.motionthres = (u_char)st_exmotthr; 495 msd.reconthres = (u_char)st_exreconthr; 496 msd.gapthres = (u_char)st_exgapthr; 497 break; 498 case MT_ISHPDAT: 499 case MT_ISVIPER1: 500 case MT_ISPYTHON: 501 if (minor(dev) & STDEV_HIDENSITY) 502 uprintf("Only one density supported\n"); 503 break; 504 case MT_ISMFOUR: 505 break; /* XXX could do density select? */ 506 default: 507 uprintf("Unsupported drive\n"); 508 return(EIO); 509 } 510 511 modlen = sc->sc_datalen[CMD_MODE_SELECT]; 512 modsel.cdb[4] = modlen; 513 514 /* mode select */ 515 count = 0; 516 retryselect: 517 stat = scsi_immed_command(ctlr, slave, unit, &modsel, 518 (u_char *)&msd, modlen, B_WRITE); 519 /* 520 * First command after power cycle, bus reset or tape change 521 * will error. Try command again 522 */ 523 if (stat == STS_CHECKCOND) { 524 sc->sc_filepos = 0; 525 stxsense(ctlr, slave, unit, sc); 526 stat = scsi_immed_command(ctlr, slave, unit, &modsel, 527 (u_char *)&msd, modlen, B_WRITE); 528 #ifdef DEBUG 529 if (stat && (st_debug & ST_OPEN)) 530 printf("stopen: stat on mode select 0x%x second try\n", stat); 531 #endif 532 if (stat == STS_CHECKCOND) { 533 stxsense(ctlr, slave, unit, sc); 534 prtkey(UNIT(dev), sc); 535 } 536 if (stat) 537 return(EIO); 538 } 539 if (stat == -1 || stat == STS_BUSY) { 540 /* 541 * XXX it might just be that the bus is busy because 542 * another tape is doing a command. This would change 543 * with connect/disconnect, ie. the other drive would 544 * not hold onto the bus. 545 * 546 * Sleep on lbolt for up to 20 minutes (max time to FSF 547 * an exabyte to EOT: 16:xx minutes) 548 */ 549 if (++count > 60*20) { 550 uprintf("SCSI bus timeout\n"); 551 return(EBUSY); 552 } 553 if (error = tsleep((caddr_t)&lbolt, PZERO | PCATCH, 554 "st_scsiwait", 0)) 555 return (error); 556 goto retryselect; 557 } 558 559 /* drive ready ? */ 560 stat = scsi_test_unit_rdy(ctlr, slave, unit); 561 562 if (stat == STS_CHECKCOND) { 563 stxsense(ctlr, slave, unit, sc); 564 switch (sc->sc_tapeid) { 565 case MT_ISEXABYTE: 566 if ((xsense->sc_xsense.key & XSK_NOTRDY) && 567 xsense->exb_xsense.tnp) 568 uprintf("no cartridge\n"); 569 else if (xsense->sc_xsense.key & XSK_NOTRDY) 570 uprintf("cartridge not loaded\n"); 571 else if (xsense->sc_xsense.key & XSK_UNTATTEN) { 572 uprintf("new cart/power interrupt\n"); 573 stat = 0; 574 } else if ((xsense->sc_xsense.key & XSK_UNTATTEN) && 575 xsense->exb_xsense.tnp) 576 uprintf("cartridge unloading\n"); 577 else 578 prtkey(UNIT(dev), sc); 579 break; 580 case MT_ISMFOUR: 581 case MT_ISAR: 582 if (xsense->sc_xsense.key & XSK_UNTATTEN) 583 stat = scsi_test_unit_rdy(ctlr, slave, unit); 584 if (stat == STS_CHECKCOND) { 585 stxsense(ctlr, slave, unit, sc); 586 if (xsense->sc_xsense.key) 587 prtkey(UNIT(dev), sc); 588 } else { 589 sc->sc_filepos = 0; /* new tape */ 590 stat = 0; 591 } 592 break; 593 case MT_ISHPDAT: 594 case MT_ISVIPER1: 595 case MT_ISPYTHON: 596 if (xsense->sc_xsense.key & XSK_UNTATTEN) 597 stat = scsi_test_unit_rdy(ctlr, slave, unit); 598 if (stat == STS_CHECKCOND) { 599 stxsense(ctlr, slave, unit, sc); 600 if (xsense->sc_xsense.key) 601 prtkey(UNIT(dev), sc); 602 } 603 break; 604 default: 605 uprintf("st%d: not ready\n", UNIT(dev)); 606 prtkey(UNIT(dev), sc); 607 break; 608 } 609 } 610 if (stat) 611 return(EIO); 612 613 /* mode sense */ 614 modlen = sc->sc_datalen[CMD_MODE_SENSE]; 615 modsense.cdb[4] = modlen; 616 stat = scsi_immed_command(ctlr, slave, unit, &modsense, 617 (u_char *)&mode, modlen, B_READ); 618 #ifdef DEBUG 619 if (st_debug & ST_OPENSTAT) 620 prtmodstat(&mode); 621 #endif 622 623 if (stat == STS_CHECKCOND) { 624 stxsense(ctlr, slave, unit, sc); 625 #ifdef DEBUG 626 if (st_debug & ST_OPEN) 627 dumpxsense(xsense); 628 #endif 629 } 630 if (stat) 631 return(EIO); 632 633 if ((flag & FWRITE) && mode.md.wp) { 634 uprintf("st:%d write protected\n", UNIT(dev)); 635 return(EACCES); 636 } 637 638 /* save total number of blocks on tape */ 639 sc->sc_numblks = mode.md.numblk2 << 16 | 640 mode.md.numblk1 << 8 | 641 mode.md.numblk0; 642 643 if (xsense->sc_xsense.eom && !(sc->sc_flags & STF_LEOT)) 644 sc->sc_filepos = 0; 645 #ifdef DEBUG 646 if (st_debug & ST_FMKS) 647 printf("st%d: open filepos = %d\n", UNIT(dev), sc->sc_filepos); 648 #endif 649 650 sc->sc_flags |= (STF_OPEN); 651 if (flag & FWRITE) 652 sc->sc_flags |= STF_WMODE; 653 sc->sc_flags &= ~STF_MOVED; 654 655 #ifdef TTI 656 /* make stats available, also lit up TTi display */ 657 sc->sc_tticntdwn = 100; 658 #endif 659 stxsense(ctlr, slave, unit, sc); 660 661 return(0); 662 } 663 664 /*ARGSUSED*/ 665 stclose(dev, flag) 666 dev_t dev; 667 int flag; 668 { 669 register struct st_softc *sc = &st_softc[UNIT(dev)]; 670 register int hit = 0; 671 672 if ((sc->sc_flags & (STF_WMODE|STF_WRTTN)) == (STF_WMODE|STF_WRTTN)) { 673 /* 674 * Cartridge tapes don't do double EOFs on EOT. 675 * We assume that variable-block devices use double EOF. 676 */ 677 stcommand(dev, MTWEOF, 1); 678 if (sc->sc_blklen == 0) { 679 stcommand(dev, MTWEOF, 1); 680 stcommand(dev, MTBSR, 1); 681 } 682 hit++; 683 } 684 if ((minor(dev) & STDEV_NOREWIND) == 0) { 685 stcommand(dev, MTREW, 1); 686 hit++; 687 } 688 #ifdef NOTDEF 689 /* wait until more stable before trying [XXX Needed ?] */ 690 if (!hit && (sc->sc_flags & SFT_WMODE)) 691 /* force out any any bufferd write data */ 692 stcommand(dev, MTFSR, 0); 693 #endif 694 /* make stats available */ 695 stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, sc->sc_punit, sc); 696 697 sc->sc_flags &= ~(STF_OPEN|STF_WMODE|STF_WRTTN); 698 tprintf_close(sc->sc_ctty); 699 return(0); /* XXX */ 700 } 701 702 ststrategy(bp) 703 register struct buf *bp; 704 { 705 struct buf *dp; 706 int unit, s; 707 708 unit = UNIT(bp->b_dev); 709 dp = &sttab[unit]; 710 bp->b_actf = NULL; 711 s = splbio(); 712 bp->b_actb = dp->b_actb; 713 *dp->b_actb = bp; 714 dp->b_actb = &bp->b_actf; 715 if (dp->b_active == 0) { 716 dp->b_active = 1; 717 stustart(unit); 718 } 719 splx(s); 720 } 721 722 stustart(unit) 723 int unit; 724 { 725 if (scsireq(&st_softc[unit].sc_dq)) 726 ststart(unit); 727 } 728 729 ststart(unit) 730 int unit; 731 { 732 struct hp_device *hp = st_softc[unit].sc_hd; 733 734 if (scsiustart(hp->hp_ctlr)) 735 stgo(unit); 736 } 737 738 stgo(unit) 739 int unit; 740 { 741 register struct st_softc *sc = &st_softc[unit]; 742 register struct scsi_fmt_cdb *cmd; 743 register struct buf *bp = sttab[unit].b_actf; 744 struct hp_device *hp = sc->sc_hd; 745 int pad, stat; 746 long nblks; 747 748 if (sc->sc_flags & STF_CMD) { 749 cmd = &stcmd[unit]; 750 pad = 0; 751 } else { 752 cmd = bp->b_flags & B_READ ? &st_read_cmd : &st_write_cmd; 753 if (sc->sc_blklen) 754 cmd->cdb[1] |= 0x01; /* fixed mode */ 755 else 756 cmd->cdb[1] &= 0xfe; 757 if (bp->b_flags & B_READ) 758 sc->sc_flags &= ~STF_WRTTN; 759 else 760 sc->sc_flags |= STF_WRTTN; 761 762 if (sc->sc_blklen) { /* fixed mode */ 763 nblks = bp->b_bcount / sc->sc_blklen; 764 if (bp->b_bcount % sc->sc_blklen) { 765 tprintf(sc->sc_ctty, 766 "st%d: I/O not block aligned %d/%ld\n", 767 unit, sc->sc_blklen, bp->b_bcount); 768 cmd->cdb[1] &= 0xfe; /* force error */ 769 } 770 } else /* variable len */ 771 nblks = bp->b_bcount; 772 773 *(u_char *)(&cmd->cdb[2]) = (u_char) (nblks >> 16); 774 *(u_char *)(&cmd->cdb[3]) = (u_char) (nblks >> 8); 775 *(u_char *)(&cmd->cdb[4]) = (u_char) nblks; 776 /* 777 * Always Zero. We are either writing in variable 778 * length mode we are writing in fixed block mode, 779 * or we are going to do odd length IO and are not 780 * going to use DMA. 781 */ 782 pad = 0; 783 } 784 785 #ifdef DEBUG 786 if (st_debug & ST_GO) 787 printf("stgo: cmd len %d [0]0x%x [1]0x%x [2]0x%x [3]0x%x [4]0x%x [5]0x%x\n", 788 cmd->len, cmd->cdb[0], cmd->cdb[1], cmd->cdb[2], 789 cmd->cdb[3], cmd->cdb[4], cmd->cdb[5]); 790 #endif 791 792 sc->sc_flags |= STF_MOVED; 793 if (bp->b_bcount & 1) { 794 #ifdef DEBUG 795 if (st_debug & ST_ODDIO) 796 printf("stgo%d: odd count %d using manual transfer\n", 797 unit, bp->b_bcount); 798 #endif 799 stat = scsi_tt_oddio(hp->hp_ctlr, hp->hp_slave, sc->sc_punit, 800 bp->b_un.b_addr, bp->b_bcount, 801 bp->b_flags, 1); 802 if (stat == 0) { 803 bp->b_resid = 0; 804 stfinish(unit, sc, bp); 805 } 806 } else 807 stat = scsigo(hp->hp_ctlr, hp->hp_slave, sc->sc_punit, 808 bp, cmd, pad); 809 if (stat) { 810 bp->b_error = EIO; 811 bp->b_flags |= B_ERROR; 812 stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, 813 sc->sc_punit, sc); 814 sterror(unit, sc, stat); 815 stfinish(unit, sc, bp); 816 } 817 } 818 819 stfinish(unit, sc, bp) 820 int unit; 821 struct st_softc *sc; 822 struct buf *bp; 823 { 824 register struct buf *dp; 825 826 sttab[unit].b_errcnt = 0; 827 if (dp = bp->b_actf) 828 dp->b_actb = bp->b_actb; 829 else 830 sttab[unit].b_actb = bp->b_actb; 831 *bp->b_actb = dp; 832 iodone(bp); 833 scsifree(&sc->sc_dq); 834 if (sttab[unit].b_actf) 835 stustart(unit); 836 else 837 sttab[unit].b_active = 0; 838 } 839 840 stread(dev, uio) 841 dev_t dev; 842 struct uio *uio; 843 { 844 int unit = UNIT(dev); 845 846 return(physio(ststrategy, &stbuf[unit], dev, B_READ, minphys, uio)); 847 } 848 849 stwrite(dev, uio) 850 dev_t dev; 851 struct uio *uio; 852 { 853 int unit = UNIT(dev); 854 855 return(physio(ststrategy, &stbuf[unit], dev, B_WRITE, minphys, uio)); 856 } 857 858 /*ARGSUSED*/ 859 stdump(dev) 860 dev_t dev; 861 { 862 return(ENXIO); 863 } 864 865 /*ARGSUSED*/ 866 stioctl(dev, cmd, data, flag) 867 dev_t dev; 868 int cmd; 869 caddr_t data; 870 int flag; 871 { 872 register struct st_softc *sc = &st_softc[UNIT(dev)]; 873 register int cnt; 874 register struct mtget *mtget; 875 register struct st_xsense *xp = &st_xsense[UNIT(dev)]; 876 register struct mtop *op; 877 long resid; 878 879 switch (cmd) { 880 881 /* tape operation */ 882 case MTIOCTOP: 883 op = (struct mtop *)data; 884 switch (op->mt_op) { 885 886 case MTBSR: 887 case MTFSR: 888 if (sc->sc_tapeid == MT_ISAR) 889 return(ENXIO); 890 case MTWEOF: 891 case MTFSF: 892 case MTBSF: 893 cnt = (int)op->mt_count; 894 break; 895 896 case MTREW: 897 case MTOFFL: 898 cnt = 1; 899 break; 900 901 case MTNOP: 902 return(0); 903 default: 904 return(EINVAL); 905 } 906 if (cnt <= 0) 907 return(EINVAL); 908 stcommand(dev, (u_int)op->mt_op, cnt); 909 break; 910 911 /* drive status */ 912 case MTIOCGET: 913 mtget = (struct mtget *)data; 914 stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, 915 sc->sc_punit, sc); 916 mtget->mt_type = sc->sc_tapeid; 917 mtget->mt_dsreg = 0; 918 mtget->mt_erreg = ((xp->sc_xsense.valid << 15) | 919 (xp->sc_xsense.filemark << 14) | 920 (xp->sc_xsense.eom << 13) | 921 (xp->sc_xsense.ili << 12) | 922 (xp->sc_xsense.key << 8)); 923 924 if (sc->sc_tapeid == MT_ISEXABYTE) { 925 mtget->mt_dsreg = sc->sc_flags; 926 resid = (xp->exb_xsense.tplft2 << 16 | 927 xp->exb_xsense.tplft1 << 8 | 928 xp->exb_xsense.tplft0); 929 mtget->mt_resid = resid / 1000; 930 mtget->mt_erreg |= (((xp->exb_xsense.rwerrcnt2 << 16 | 931 xp->exb_xsense.rwerrcnt1 << 8 | 932 xp->exb_xsense.rwerrcnt0) * 100) / 933 (sc->sc_numblks - resid)) & 0xff; 934 } else if (xp->sc_xsense.valid) { 935 resid = ((xp->sc_xsense.info1 << 24) | 936 (xp->sc_xsense.info2 << 16) | 937 (xp->sc_xsense.info3 << 8) | 938 (xp->sc_xsense.info4)); 939 if (sc->sc_blklen) /* if fixed mode */ 940 resid *= sc->sc_blklen; 941 mtget->mt_resid = resid; 942 } else 943 mtget->mt_resid = 0; 944 break; 945 946 default: 947 return(ENXIO); 948 } 949 return(0); 950 } 951 952 stintr(unit, stat) 953 int unit, stat; 954 { 955 register struct st_softc *sc = &st_softc[unit]; 956 register struct st_xsense *xp = &st_xsense[unit]; 957 register struct buf *bp = sttab[unit].b_actf; 958 struct hp_device *hp = sc->sc_hd; 959 960 #ifdef DEBUG 961 if (bp == NULL) { 962 printf("st%d: bp == NULL\n", unit); 963 return; 964 } 965 #endif 966 switch (stat) { 967 /* scsi command completed ok */ 968 case 0: 969 bp->b_resid = 0; 970 break; 971 972 /* more status */ 973 case STS_CHECKCOND: 974 stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, 975 sc->sc_punit, sc); 976 if (xp->sc_xsense.valid) { 977 bp->b_resid = (u_long)((xp->sc_xsense.info1 << 24) | 978 (xp->sc_xsense.info2 << 16) | 979 (xp->sc_xsense.info3 << 8) | 980 (xp->sc_xsense.info4)); 981 if (sc->sc_blklen) /* fixed mode */ 982 bp->b_resid *= sc->sc_blklen; 983 } 984 if (xp->sc_xsense.filemark) { 985 sc->sc_filepos++; 986 break; 987 } 988 if (xp->sc_xsense.key != XSK_NOSENCE 989 && xp->sc_xsense.key != XSK_NOTUSED1 990 && xp->sc_xsense.key != XSK_NOTUSEDC 991 && xp->sc_xsense.key != XSK_NOTUSEDE) { 992 sterror(unit, sc, stat); 993 bp->b_flags |= B_ERROR; 994 bp->b_error = EIO; 995 break; 996 } 997 if (xp->sc_xsense.ili) { 998 /* 999 * Fixed length blocks, an error. 1000 */ 1001 if (sc->sc_blklen) { 1002 tprintf(sc->sc_ctty, 1003 "st%d: Incorrect Length Indicator, blkcnt diff %d\n", 1004 unit, sc->sc_blklen - bp->b_resid); 1005 bp->b_flags |= B_ERROR; 1006 bp->b_error = EIO; 1007 break; 1008 } 1009 /* 1010 * Variable length but read more than requested, 1011 * an error. (XXX ??? wrong for 9 track?) 1012 */ 1013 if (bp->b_resid < 0) { 1014 bp->b_resid = 0; 1015 bp->b_flags |= B_ERROR; 1016 bp->b_error = ENOMEM; 1017 break; 1018 } 1019 /* 1020 * Variable length and odd, may require special 1021 * handling. 1022 */ 1023 if (bp->b_resid & 1 && (sc->sc_tapeid != MT_ISAR)) { 1024 /* 1025 * Normal behavior, treat as an error. 1026 */ 1027 if (!st_dmaoddretry) { 1028 tprintf(sc->sc_ctty, 1029 "st%d: Odd length read %d\n", 1030 UNIT(bp->b_dev), 1031 bp->b_bcount - bp->b_resid); 1032 bp->b_error = EIO; 1033 bp->b_flags |= B_ERROR; 1034 break; 1035 } 1036 /* 1037 * Attempt to back up and re-read using oddio. 1038 */ 1039 #ifdef DEBUG 1040 if (st_debug & ST_ODDIO) 1041 printf("st%d: stintr odd count %d, do BSR then oddio\n", 1042 UNIT(bp->b_dev), 1043 bp->b_bcount - bp->b_resid); 1044 #endif 1045 stat = scsi_tt_oddio(hp->hp_ctlr, hp->hp_slave, 1046 sc->sc_punit, 0, -1, 0, 0); 1047 if (stat == 0) 1048 stat = scsi_tt_oddio(hp->hp_ctlr, 1049 hp->hp_slave, 1050 sc->sc_punit, 1051 bp->b_un.b_addr, 1052 bp->b_bcount - bp->b_resid, 1053 bp->b_flags, 0); 1054 if (stat) { 1055 bp->b_error = EIO; 1056 bp->b_flags |= B_ERROR; 1057 stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, 1058 sc->sc_punit, sc); 1059 sterror(unit, sc, stat); 1060 } 1061 } 1062 break; 1063 } 1064 if (xp->sc_xsense.eom) { 1065 bp->b_flags |= B_ERROR; 1066 bp->b_error = ENOSPC; 1067 break; 1068 } 1069 tprintf(sc->sc_ctty, "st%d: unknown scsi error\n", unit); 1070 bp->b_flags |= B_ERROR; 1071 bp->b_error = EIO; 1072 break; 1073 1074 default: 1075 printf("st%d: stintr unknown stat 0x%x\n", unit, stat); 1076 break; 1077 } 1078 #ifdef DEBUG 1079 if ((st_debug & ST_BRESID) && bp->b_resid != 0) 1080 printf("b_resid %d b_flags 0x%x b_error 0x%x\n", 1081 bp->b_resid, bp->b_flags, bp->b_error); 1082 #endif 1083 /* asked for more filemarks then on tape */ 1084 if (bp->b_resid != 0 && 1085 (sc->sc_flags & STF_CMD) && sc->sc_cmd == CMD_SPACE) { 1086 sc->sc_filepos -= bp->b_resid; 1087 if (sc->sc_filepos < 0) 1088 sc->sc_filepos = 0; 1089 } 1090 1091 #ifdef TTI 1092 if (st_extti & (1<<unit) && 1093 sc->sc_type == MT_ISEXABYTE) /* to make display lit up */ 1094 /* 1095 * XXX severe performance penality for this. 1096 * Try and throttle by not calling stxsense on every intr. 1097 * Mostly for TTi we, get a stxsense call in open and close. 1098 */ 1099 if (sc->sc_tticntdwn-- == 0) { 1100 stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, 1101 sc->sc_punit, sc); 1102 sc->sc_tticntdwn = 100; 1103 } 1104 #endif 1105 1106 stfinish(unit, sc, bp); 1107 } 1108 1109 stcommand(dev, command, cnt) 1110 dev_t dev; 1111 u_int command; 1112 int cnt; 1113 { 1114 register struct st_softc *sc = &st_softc[UNIT(dev)]; 1115 register struct buf *bp = &stbuf[UNIT(dev)]; 1116 register struct scsi_fmt_cdb *cmd = &stcmd[UNIT(dev)]; 1117 register cmdcnt; 1118 int s; 1119 1120 cmd->len = 6; /* all tape commands are cdb6 */ 1121 cmd->cdb[1] = sc->sc_punit; 1122 cmd->cdb[2] = cmd->cdb[3] = cmd->cdb[4] = cmd->cdb[5] = 0; 1123 cmdcnt = 0; 1124 1125 /* 1126 * XXX Assumption is that everything except Archive can take 1127 * repeat count in cdb block. 1128 */ 1129 switch (command) { 1130 case MTWEOF: 1131 cmd->cdb[0] = CMD_WRITE_FILEMARK; 1132 if (sc->sc_tapeid != MT_ISAR) { 1133 cmdcnt = cnt; 1134 cnt = 1; 1135 } else 1136 cmdcnt = 1; 1137 *(u_char *)(&cmd->cdb[2]) = (u_char) (cmdcnt >> 16); 1138 *(u_char *)(&cmd->cdb[3]) = (u_char) (cmdcnt >> 8); 1139 *(u_char *)(&cmd->cdb[4]) = (u_char) cmdcnt; 1140 1141 if (sc->sc_tapeid == MT_ISEXABYTE && 1142 (minor(dev) & STDEV_EXSFMK)) /* short filemarks */ 1143 cmd->cdb[5] |= 0x80; 1144 else 1145 cmd->cdb[5] &= 0x7f; 1146 break; 1147 case MTBSF: 1148 /* Archive can't back up, will not get to BSR case */ 1149 if (sc->sc_tapeid == MT_ISAR) { 1150 if ((sc->sc_filepos - cnt) < 0) { 1151 stcommand(dev, MTREW, 1); 1152 return; 1153 } 1154 cmdcnt = sc->sc_filepos - cnt + 1; 1155 stcommand(dev, MTREW, 1); 1156 stcommand(dev, MTFSF, cmdcnt); 1157 return; 1158 } 1159 case MTBSR: 1160 case MTFSR: 1161 case MTFSF: 1162 if (command == MTBSF || command == MTBSR) 1163 cnt = cnt * (-1); /* backward move */ 1164 if (command == MTFSF || command == MTBSF) 1165 cmd->cdb[1] |= 0x01; /* filemarks */ 1166 else 1167 cmd->cdb[1] |= 0x00; /* logical blocks */ 1168 if (sc->sc_tapeid != MT_ISAR) { 1169 cmdcnt = cnt; 1170 cnt = 1; 1171 } else 1172 cmdcnt = 1; 1173 *(u_char *)(&cmd->cdb[2]) = (u_char) (cmdcnt >> 16); 1174 *(u_char *)(&cmd->cdb[3]) = (u_char) (cmdcnt >> 8); 1175 *(u_char *)(&cmd->cdb[4]) = (u_char) cmdcnt; 1176 cmd->cdb[0] = CMD_SPACE; 1177 break; 1178 case MTREW: 1179 cmd->cdb[0] = CMD_REWIND; 1180 sc->sc_filepos = 0; 1181 break; 1182 case MTOFFL: 1183 cmd->cdb[0] = CMD_LOADUNLOAD; 1184 sc->sc_filepos = 0; 1185 break; 1186 default: 1187 printf("st%d: stcommand bad command 0x%x\n", 1188 UNIT(dev), command); 1189 } 1190 1191 sc->sc_flags |= STF_CMD; 1192 sc->sc_cmd = cmd->cdb[0]; 1193 1194 sc->sc_bp = bp; 1195 again: 1196 #ifdef DEBUG 1197 if (st_debug & ST_FMKS) 1198 printf("st%d: stcommand filepos %d cmdcnt %d cnt %d\n", 1199 UNIT(dev), sc->sc_filepos, cmdcnt, cnt); 1200 #endif 1201 s = splbio(); 1202 while (bp->b_flags & B_BUSY) { 1203 if (bp->b_flags & B_DONE) 1204 break; 1205 bp->b_flags |= B_WANTED; 1206 sleep((caddr_t)bp, PRIBIO); 1207 } 1208 bp->b_flags = B_BUSY|B_READ; 1209 splx(s); 1210 bp->b_dev = dev; 1211 bp->b_bcount = 0; 1212 bp->b_resid = 0; 1213 bp->b_blkno = 0; 1214 bp->b_error = 0; 1215 ststrategy(bp); 1216 iowait(bp); 1217 if (bp->b_flags & B_WANTED) 1218 wakeup((caddr_t)bp); 1219 bp->b_flags &= B_ERROR; 1220 1221 if (command == MTWEOF || command == MTFSF || command == MTBSF) 1222 sc->sc_filepos += cmdcnt; 1223 1224 if (--cnt > 0) 1225 goto again; 1226 1227 sc->sc_flags |= STF_MOVED; 1228 sc->sc_flags &= ~(STF_CMD|STF_WRTTN); 1229 } 1230 1231 sterror(unit, sc, stat) 1232 int unit, stat; 1233 struct st_softc *sc; 1234 { 1235 /* stxsense must have been called before sterror() */ 1236 if (stat & STS_CHECKCOND) 1237 prtkey(unit, sc); 1238 else if (stat) 1239 tprintf(sc->sc_ctty, 1240 "st%d: bad scsi status 0x%x\n", unit, stat); 1241 1242 if ((sc->sc_flags & STF_CMD) && sc->sc_cmd == CMD_SPACE) /* fsf */ 1243 sc->sc_filepos--; 1244 } 1245 1246 stxsense(ctlr, slave, unit, sc) 1247 int ctlr, slave, unit; 1248 struct st_softc *sc; 1249 { 1250 u_char *sensebuf; 1251 unsigned len; 1252 1253 sensebuf = (u_char *)&st_xsense[sc->sc_dq.dq_unit]; 1254 len = sc->sc_datalen[CMD_REQUEST_SENSE]; 1255 scsi_request_sense(ctlr, slave, unit, sensebuf, len); 1256 } 1257 1258 prtkey(unit, sc) 1259 int unit; 1260 struct st_softc *sc; 1261 { 1262 register struct st_xsense *xp = &st_xsense[unit]; 1263 1264 switch (xp->sc_xsense.key) { 1265 case XSK_NOSENCE: 1266 break; 1267 case XSK_NOTUSED1: 1268 case XSK_NOTUSEDC: 1269 case XSK_NOTUSEDE: 1270 break; 1271 case XSK_REVERVED: 1272 tprintf(sc->sc_ctty, "st%d: Reserved sense key 0x%x\n", 1273 unit, xp->sc_xsense.key); 1274 break; 1275 case XSK_NOTRDY: 1276 tprintf(sc->sc_ctty, "st%d: NOT READY\n", unit); 1277 break; 1278 case XSK_MEDERR: 1279 tprintf(sc->sc_ctty, "st%d: MEDIUM ERROR\n", unit); 1280 break; 1281 case XSK_HRDWERR: 1282 tprintf(sc->sc_ctty, "st%d: HARDWARE ERROR\n", unit); 1283 break; 1284 case XSK_ILLREQ: 1285 tprintf(sc->sc_ctty, "st%d: ILLEGAL REQUEST\n", unit); 1286 break; 1287 case XSK_UNTATTEN: 1288 tprintf(sc->sc_ctty, "st%d: UNIT ATTENTION\n", unit); 1289 break; 1290 case XSK_DATAPROT: 1291 tprintf(sc->sc_ctty, "st%d: DATA PROTECT\n", unit); 1292 break; 1293 case XSK_BLNKCHK: 1294 tprintf(sc->sc_ctty, "st%d: BLANK CHECK\n", unit); 1295 break; 1296 case XSK_VENDOR: 1297 tprintf(sc->sc_ctty, "st%d: VENDER UNIQUE SENSE KEY ", unit); 1298 switch (sc->sc_tapeid) { 1299 case MT_ISEXABYTE: 1300 tprintf(sc->sc_ctty, "Exabyte: "); 1301 if (xp->exb_xsense.xfr) 1302 tprintf(sc->sc_ctty, 1303 "Transfer Abort Error\n"); 1304 if (xp->exb_xsense.tmd) 1305 tprintf(sc->sc_ctty, 1306 "Tape Mark Detect Error\n"); 1307 break; 1308 default: 1309 tprintf(sc->sc_ctty, "\n"); 1310 } 1311 break; 1312 case XSK_CPYABORT: 1313 tprintf(sc->sc_ctty, "st%d: COPY ABORTED\n", unit); 1314 break; 1315 case XSK_ABORTCMD: 1316 tprintf(sc->sc_ctty, "st%d: ABORTED COMMAND\n", unit); 1317 break; 1318 case XSK_VOLOVER: 1319 tprintf(sc->sc_ctty, "st%d: VOLUME OVERFLOW\n", unit); 1320 break; 1321 default: 1322 tprintf(sc->sc_ctty, "st%d: unknown sense key 0x%x\n", 1323 unit, xp->sc_xsense.key); 1324 } 1325 if (sc->sc_tapeid == MT_ISEXABYTE) { 1326 if (xp->exb_xsense.bpe) 1327 tprintf(sc->sc_ctty, "st%d: Bus Parity Errorn", unit); 1328 if (xp->exb_xsense.fpe) 1329 tprintf(sc->sc_ctty, 1330 "st%d: Formatted Buffer Parity Errorn", unit); 1331 if (xp->exb_xsense.eco) 1332 tprintf(sc->sc_ctty, "st%d: Error Counter Overflown", 1333 unit); 1334 if (xp->exb_xsense.tme) 1335 tprintf(sc->sc_ctty, "st%d: Tape Motion Errorn", unit); 1336 if (xp->exb_xsense.xfr) 1337 tprintf(sc->sc_ctty, "st%d: Transfer About Errorn", 1338 unit); 1339 if (xp->exb_xsense.tmd) 1340 tprintf(sc->sc_ctty, "st%d: Tape Mark Detect Errorn", 1341 unit); 1342 if (xp->exb_xsense.fmke) 1343 tprintf(sc->sc_ctty, "st%d: Filemark Errorn", unit); 1344 if (xp->exb_xsense.ure) 1345 tprintf(sc->sc_ctty, "st%d: Under Run Errorn", unit); 1346 if (xp->exb_xsense.sse) 1347 tprintf(sc->sc_ctty, "st%d: Servo System Errorn", 1348 unit); 1349 if (xp->exb_xsense.fe) 1350 tprintf(sc->sc_ctty, "st%d: Formatter Errorn", unit); 1351 if (xp->exb_xsense.wseb) 1352 tprintf(sc->sc_ctty, "st%d: WSEB Errorn", unit); 1353 if (xp->exb_xsense.wseo) 1354 tprintf(sc->sc_ctty, "st%d: WSEO Errorn", unit); 1355 } 1356 } 1357 1358 #ifdef DEBUG 1359 1360 dumpxsense(sensebuf) 1361 struct st_xsense *sensebuf; 1362 { 1363 struct st_xsense *xp = sensebuf; 1364 1365 printf("valid 0x%x errorclass 0x%x errorcode 0x%x\n", 1366 xp->sc_xsense.valid, 1367 xp->sc_xsense.class, xp->sc_xsense.code); 1368 printf("seg number 0x%x\n", xp->sc_xsense.segment); 1369 printf("FMK 0x%x EOM 0x%x ILI 0x%x RSVD 0x%x sensekey 0x%x\n", 1370 xp->sc_xsense.filemark, xp->sc_xsense.eom, xp->sc_xsense.ili, 1371 xp->sc_xsense.rsvd, xp->sc_xsense.key); 1372 printf("info 0x%lx\n", 1373 (u_long)((xp->sc_xsense.info1<<24)|(xp->sc_xsense.info2<<16)| 1374 (xp->sc_xsense.info3<<8)|(xp->sc_xsense.info4)) ); 1375 printf("ASenseL 0x%x\n", xp->sc_xsense.len); 1376 1377 if (xp->sc_xsense.len != 0x12) /* MT_ISEXB Exabyte only ?? */ 1378 return; /* What about others */ 1379 1380 printf("ASenseC 0x%x\n", xp->exb_xsense.addsens); 1381 printf("AsenseQ 0x%x\n", xp->exb_xsense.addsensq); 1382 printf("R/W Errors 0x%lx\n", 1383 (u_long)((xp->exb_xsense.rwerrcnt2<<16)| 1384 (xp->exb_xsense.rwerrcnt1<<8)| 1385 (xp->exb_xsense.rwerrcnt1)) ); 1386 printf("PF 0x%x BPE 0x%x FPE 0x%x ME 0x%x ECO 0x%x TME 0x%x TNP 0x%x BOT 0x%x\n", 1387 xp->exb_xsense.pf, xp->exb_xsense.bpe, xp->exb_xsense.fpe, 1388 xp->exb_xsense.me, xp->exb_xsense.eco, xp->exb_xsense.tme, 1389 xp->exb_xsense.tnp, xp->exb_xsense.bot); 1390 printf("XFR 0x%x TMD 0x%x WP 0x%x FMKE 0x%x URE 0x%x WE1 0x%x SSE 0x%x FE 0x%x\n", 1391 xp->exb_xsense.xfr, xp->exb_xsense.tmd, xp->exb_xsense.wp, 1392 xp->exb_xsense.fmke, xp->exb_xsense.ure, xp->exb_xsense.we1, 1393 xp->exb_xsense.sse, xp->exb_xsense.fe); 1394 printf("WSEB 0x%x WSEO 0x%x\n", 1395 xp->exb_xsense.wseb, xp->exb_xsense.wseo); 1396 printf("Remaining Tape 0x%lx\n", 1397 (u_long)((xp->exb_xsense.tplft2<<16)| 1398 (xp->exb_xsense.tplft1<<8)| 1399 (xp->exb_xsense.tplft0)) ); 1400 } 1401 1402 prtmodsel(msd, modlen) 1403 struct mode_select_data *msd; 1404 int modlen; 1405 { 1406 printf("Modsel command. len is 0x%x.\n", modlen); 1407 printf("rsvd1 0x%x rsvd2 0x%x rsvd3 0x%x bufferd 0x%x speed 0x%x bckdeslen 0x%x\n", 1408 msd->rsvd1,msd->rsvd2,msd->rsvd3,msd->buff,msd->speed,msd->blkdeslen); 1409 printf("density 0x%x blks2 0x%x blks1 0x%x blks0 0x%x rsvd 0x%x blklen2 0x%x blklen1 0x%x blklen0 0x%x\n", 1410 msd->density,msd->blks2,msd->blks1,msd->blks0,msd->rsvd4,msd->blklen2,msd->blklen1,msd->blklen0); 1411 printf("vupb 0x%x rsvd 0x%x p5 0x%x motionthres 0x%x reconthres 0x%x gapthres 0x%x \n", 1412 msd->vupb,msd->rsvd5,msd->p5,msd->motionthres,msd->reconthres,msd->gapthres); 1413 } 1414 1415 prtmodstat(mode) 1416 struct mode_sense *mode; 1417 { 1418 printf("Mode Status\n"); 1419 printf("sdl 0x%x medtype 0x%x wp 0x%x bfmd 0x%x speed 0x%x bdl 0x%x\n", 1420 mode->md.sdl, mode->md.medtype, mode->md.wp, mode->md.bfmd, 1421 mode->md.speed, mode->md.bdl); 1422 printf("dencod 0x%x numblk 0x%x blklen 0x%x\n", 1423 mode->md.dencod, 1424 (mode->md.numblk2<<16)|(mode->md.numblk1<<8)|(mode->md.numblk0), 1425 (mode->md.blklen2<<16)|(mode->md.blklen1<<8)|(mode->md.blklen0) ); 1426 printf("ct 0x%x nd 0x%x nbe 0x%x edb 0x%x pe 0x%x nal 0x%x p5 0x%x\n", 1427 mode->ex.ct, mode->ex.nd, mode->ex.nbe, 1428 mode->ex.ebd, mode->ex.pe, mode->ex.nal, mode->ex.p5); 1429 printf("motionthres 0x%x reconthres 0x%x gapthres 0x%x\n", 1430 mode->ex.motionthres, mode->ex.reconthres, mode->ex.gapthres); 1431 } 1432 #endif /* DEBUG */ 1433 1434 #endif 1435