1 /* 2 * Copyright (c) 1990 University of Utah. 3 * Copyright (c) 1990 The Regents of the University of California. 4 * 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 7.9 (Berkeley) 10/11/92 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 sc->sc_tapeid = MT_ISMFOUR; 334 sc->sc_datalen[CMD_REQUEST_SENSE] = 8; 335 sc->sc_datalen[CMD_INQUIRY] = 5; 336 sc->sc_datalen[CMD_MODE_SELECT] = 12; 337 sc->sc_datalen[CMD_MODE_SENSE] = 12; 338 } else { 339 if (idstr[8] == '\0') 340 printf("st%d: No ID, assuming Archive\n", hd->hp_unit); 341 else 342 printf("st%d: Unsupported tape device\n", hd->hp_unit); 343 sc->sc_tapeid = MT_ISAR; 344 sc->sc_datalen[CMD_REQUEST_SENSE] = 8; 345 sc->sc_datalen[CMD_INQUIRY] = 5; 346 sc->sc_datalen[CMD_MODE_SELECT] = 12; 347 sc->sc_datalen[CMD_MODE_SENSE] = 12; 348 } 349 350 sc->sc_filepos = 0; 351 352 /* load xsense */ 353 stxsense(ctlr, slave, unit, sc); 354 355 scsi_delay(0); 356 /* XXX if we have a tape, we must up the delays in the HA driver */ 357 if (!havest) { 358 havest = 1; 359 scsi_delay(20000); 360 } 361 return(st_inqbuf.inqbuf.type); 362 failed: 363 scsi_delay(0); 364 return(-1); 365 } 366 367 stopen(dev, flag, type, p) 368 dev_t dev; 369 int flag, type; 370 struct proc *p; 371 { 372 register struct st_softc *sc = &st_softc[UNIT(dev)]; 373 register struct st_xsense *xsense; 374 register int count; 375 register int stat; 376 int ctlr, slave, unit; 377 struct mode_select_data msd; 378 struct mode_sense mode; 379 int modlen; 380 int error; 381 static struct scsi_fmt_cdb modsel = { 382 6, 383 CMD_MODE_SELECT, 0, 0, 0, sizeof(msd), 0 384 }; 385 static struct scsi_fmt_cdb unitready = { 386 6, 387 CMD_TEST_UNIT_READY, 0, 0, 0, 0, 0 388 }; 389 static struct scsi_fmt_cdb modsense = { 390 6, 391 CMD_MODE_SENSE, 0, 0, 0, sizeof(mode), 0 392 }; 393 394 ctlr = sc->sc_dq.dq_ctlr; 395 slave = sc->sc_dq.dq_slave; 396 unit = sc->sc_punit; 397 xsense = &st_xsense[UNIT(dev)]; 398 399 if (UNIT(dev) > NST || (sc->sc_flags & STF_ALIVE) == 0) 400 return(ENXIO); 401 if (sc->sc_flags & STF_OPEN) 402 return(EBUSY); 403 404 /* do a mode sense to get current */ 405 modlen = sc->sc_datalen[CMD_MODE_SENSE]; 406 modsense.cdb[4] = modlen; 407 stat = scsi_immed_command(ctlr, slave, unit, &modsense, 408 (u_char *)&mode, modlen, B_READ); 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 /* set record length */ 417 switch (sc->sc_tapeid) { 418 case MT_ISAR: 419 sc->sc_blklen = 512; 420 break; 421 case MT_ISEXABYTE: 422 if (minor(dev) & STDEV_FIXEDBLK) 423 sc->sc_blklen = 0x400; 424 else 425 sc->sc_blklen = st_exblklen; 426 break; 427 case MT_ISHPDAT: 428 sc->sc_blklen = 512; 429 break; 430 case MT_ISVIPER1: 431 sc->sc_blklen = 512; 432 break; 433 case MT_ISPYTHON: 434 sc->sc_blklen = 512; 435 break; 436 case MT_ISMFOUR: 437 sc->sc_blklen = 0; 438 break; 439 default: 440 if ((mode.md.blklen2 << 16 | 441 mode.md.blklen1 << 8 | 442 mode.md.blklen0) != 0) 443 sc->sc_blklen = mode.md.blklen2 << 16 | 444 mode.md.blklen1 << 8 | 445 mode.md.blklen0; 446 else 447 sc->sc_blklen = 512; 448 } 449 450 /* setup for mode select */ 451 msd.rsvd1 = 0; 452 msd.rsvd2 = 0; 453 msd.rsvd3 = 0; 454 msd.buff = 1; 455 msd.speed = 0; 456 msd.blkdeslen = 0x08; 457 msd.density = 0; 458 msd.blks2 = 0; 459 msd.blks1 = 0; 460 msd.blks0 = 0; 461 msd.rsvd4 = 0; 462 msd.blklen2 = (sc->sc_blklen >> 16) & 0xff; 463 msd.blklen1 = (sc->sc_blklen >> 8) & 0xff; 464 msd.blklen0 = sc->sc_blklen & 0xff; 465 466 /* 467 * Do we have any density problems? 468 */ 469 470 switch (sc->sc_tapeid) { 471 case MT_ISAR: 472 if (minor(dev) & STDEV_HIDENSITY) 473 msd.density = 0x5; 474 else { 475 if (flag & FWRITE) { 476 uprintf("Can only write QIC-24\n"); 477 return(EIO); 478 } 479 msd.density = 0x4; 480 } 481 break; 482 case MT_ISEXABYTE: 483 if (minor(dev) & STDEV_HIDENSITY) 484 uprintf("EXB-8200 density support only\n"); 485 msd.vupb = (u_char)st_exvup; 486 msd.rsvd5 = 0; 487 msd.p5 = 0; 488 msd.motionthres = (u_char)st_exmotthr; 489 msd.reconthres = (u_char)st_exreconthr; 490 msd.gapthres = (u_char)st_exgapthr; 491 break; 492 case MT_ISHPDAT: 493 case MT_ISVIPER1: 494 case MT_ISPYTHON: 495 if (minor(dev) & STDEV_HIDENSITY) 496 uprintf("Only one density supported\n"); 497 break; 498 case MT_ISMFOUR: 499 break; /* XXX could do density select? */ 500 default: 501 uprintf("Unsupported drive\n"); 502 return(EIO); 503 } 504 505 modlen = sc->sc_datalen[CMD_MODE_SELECT]; 506 modsel.cdb[4] = modlen; 507 508 /* mode select */ 509 count = 0; 510 retryselect: 511 stat = scsi_immed_command(ctlr, slave, unit, &modsel, 512 (u_char *)&msd, modlen, B_WRITE); 513 /* 514 * First command after power cycle, bus reset or tape change 515 * will error. Try command again 516 */ 517 if (stat == STS_CHECKCOND) { 518 sc->sc_filepos = 0; 519 stxsense(ctlr, slave, unit, sc); 520 stat = scsi_immed_command(ctlr, slave, unit, &modsel, 521 (u_char *)&msd, modlen, B_WRITE); 522 #ifdef DEBUG 523 if (stat && (st_debug & ST_OPEN)) 524 printf("stopen: stat on mode select 0x%x second try\n", stat); 525 #endif 526 if (stat == STS_CHECKCOND) { 527 stxsense(ctlr, slave, unit, sc); 528 prtkey(UNIT(dev), sc); 529 } 530 if (stat) 531 return(EIO); 532 } 533 if (stat == -1 || stat == STS_BUSY) { 534 /* 535 * XXX it might just be that the bus is busy because 536 * another tape is doing a command. This would change 537 * with connect/disconnect, ie. the other drive would 538 * not hold onto the bus. 539 * 540 * Sleep on lbolt for up to 20 minutes (max time to FSF 541 * an exabyte to EOT: 16:xx minutes) 542 */ 543 if (++count > 60*20) { 544 uprintf("SCSI bus timeout\n"); 545 return(EBUSY); 546 } 547 if (error = tsleep((caddr_t)&lbolt, PZERO | PCATCH, 548 "st_scsiwait", 0)) 549 return (error); 550 goto retryselect; 551 } 552 553 /* drive ready ? */ 554 stat = scsi_test_unit_rdy(ctlr, slave, unit); 555 556 if (stat == STS_CHECKCOND) { 557 stxsense(ctlr, slave, unit, sc); 558 switch (sc->sc_tapeid) { 559 case MT_ISEXABYTE: 560 if ((xsense->sc_xsense.key & XSK_NOTRDY) && 561 xsense->exb_xsense.tnp) 562 uprintf("no cartridge\n"); 563 else if (xsense->sc_xsense.key & XSK_NOTRDY) 564 uprintf("cartridge not loaded\n"); 565 else if (xsense->sc_xsense.key & XSK_UNTATTEN) { 566 uprintf("new cart/power interrupt\n"); 567 stat = 0; 568 } else if ((xsense->sc_xsense.key & XSK_UNTATTEN) && 569 xsense->exb_xsense.tnp) 570 uprintf("cartridge unloading\n"); 571 else 572 prtkey(UNIT(dev), sc); 573 break; 574 case MT_ISMFOUR: 575 case MT_ISAR: 576 if (xsense->sc_xsense.key & XSK_UNTATTEN) 577 stat = scsi_test_unit_rdy(ctlr, slave, unit); 578 if (stat == STS_CHECKCOND) { 579 stxsense(ctlr, slave, unit, sc); 580 if (xsense->sc_xsense.key) 581 prtkey(UNIT(dev), sc); 582 } else { 583 sc->sc_filepos = 0; /* new tape */ 584 stat = 0; 585 } 586 break; 587 case MT_ISHPDAT: 588 case MT_ISVIPER1: 589 case MT_ISPYTHON: 590 if (xsense->sc_xsense.key & XSK_UNTATTEN) 591 stat = scsi_test_unit_rdy(ctlr, slave, unit); 592 if (stat == STS_CHECKCOND) { 593 stxsense(ctlr, slave, unit, sc); 594 if (xsense->sc_xsense.key) 595 prtkey(UNIT(dev), sc); 596 } 597 break; 598 default: 599 uprintf("st%d: not ready\n", UNIT(dev)); 600 prtkey(UNIT(dev), sc); 601 break; 602 } 603 } 604 if (stat) 605 return(EIO); 606 607 /* mode sense */ 608 modlen = sc->sc_datalen[CMD_MODE_SENSE]; 609 modsense.cdb[4] = modlen; 610 stat = scsi_immed_command(ctlr, slave, unit, &modsense, 611 (u_char *)&mode, modlen, B_READ); 612 #ifdef DEBUG 613 if (st_debug & ST_OPENSTAT) 614 prtmodstat(&mode); 615 #endif 616 617 if (stat == STS_CHECKCOND) { 618 stxsense(ctlr, slave, unit, sc); 619 #ifdef DEBUG 620 if (st_debug & ST_OPEN) 621 dumpxsense(xsense); 622 #endif 623 } 624 if (stat) 625 return(EIO); 626 627 if ((flag & FWRITE) && mode.md.wp) { 628 uprintf("st:%d write protected\n", UNIT(dev)); 629 return(EACCES); 630 } 631 632 sc->sc_ctty = tprintf_open(p); 633 /* save total number of blocks on tape */ 634 sc->sc_numblks = mode.md.numblk2 << 16 | 635 mode.md.numblk1 << 8 | 636 mode.md.numblk0; 637 638 if (xsense->sc_xsense.eom && !(sc->sc_flags & STF_LEOT)) 639 sc->sc_filepos = 0; 640 #ifdef DEBUG 641 if (st_debug & ST_FMKS) 642 printf("st%d: open filepos = %d\n", UNIT(dev), sc->sc_filepos); 643 #endif 644 645 sc->sc_flags |= (STF_OPEN); 646 if (flag & FWRITE) 647 sc->sc_flags |= STF_WMODE; 648 sc->sc_flags &= ~STF_MOVED; 649 650 #ifdef TTI 651 /* make stats available, also lit up TTi display */ 652 sc->sc_tticntdwn = 100; 653 #endif 654 stxsense(ctlr, slave, unit, sc); 655 656 return(0); 657 } 658 659 /*ARGSUSED*/ 660 stclose(dev, flag) 661 dev_t dev; 662 int flag; 663 { 664 register struct st_softc *sc = &st_softc[UNIT(dev)]; 665 register int hit = 0; 666 667 if ((sc->sc_flags & (STF_WMODE|STF_WRTTN)) == (STF_WMODE|STF_WRTTN)) { 668 /* 669 * Cartridge tapes don't do double EOFs on EOT. 670 * We assume that variable-block devices use double EOF. 671 */ 672 stcommand(dev, MTWEOF, 1); 673 if (sc->sc_blklen == 0) { 674 stcommand(dev, MTWEOF, 1); 675 stcommand(dev, MTBSR, 1); 676 } 677 hit++; 678 } 679 if ((minor(dev) & STDEV_NOREWIND) == 0) { 680 stcommand(dev, MTREW, 1); 681 hit++; 682 } 683 #ifdef NOTDEF 684 /* wait until more stable before trying [XXX Needed ?] */ 685 if (!hit && (sc->sc_flags & SFT_WMODE)) 686 /* force out any any bufferd write data */ 687 stcommand(dev, MTFSR, 0); 688 #endif 689 /* make stats available */ 690 stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, sc->sc_punit, sc); 691 692 sc->sc_flags &= ~(STF_OPEN|STF_WMODE|STF_WRTTN); 693 tprintf_close(sc->sc_ctty); 694 return(0); /* XXX */ 695 } 696 697 ststrategy(bp) 698 register struct buf *bp; 699 { 700 struct buf *dp; 701 int unit, s; 702 703 unit = UNIT(bp->b_dev); 704 dp = &sttab[unit]; 705 bp->b_actf = NULL; 706 s = splbio(); 707 bp->b_actb = dp->b_actb; 708 *dp->b_actb = bp; 709 dp->b_actb = &bp->b_actf; 710 if (dp->b_active == 0) { 711 dp->b_active = 1; 712 stustart(unit); 713 } 714 splx(s); 715 } 716 717 stustart(unit) 718 int unit; 719 { 720 if (scsireq(&st_softc[unit].sc_dq)) 721 ststart(unit); 722 } 723 724 ststart(unit) 725 int unit; 726 { 727 struct hp_device *hp = st_softc[unit].sc_hd; 728 729 if (scsiustart(hp->hp_ctlr)) 730 stgo(unit); 731 } 732 733 stgo(unit) 734 int unit; 735 { 736 register struct st_softc *sc = &st_softc[unit]; 737 register struct scsi_fmt_cdb *cmd; 738 register struct buf *bp = sttab[unit].b_actf; 739 struct hp_device *hp = sc->sc_hd; 740 int pad, stat; 741 long nblks; 742 743 if (sc->sc_flags & STF_CMD) { 744 cmd = &stcmd[unit]; 745 pad = 0; 746 } else { 747 cmd = bp->b_flags & B_READ ? &st_read_cmd : &st_write_cmd; 748 if (sc->sc_blklen) 749 cmd->cdb[1] |= 0x01; /* fixed mode */ 750 else 751 cmd->cdb[1] &= 0xfe; 752 if (bp->b_flags & B_READ) 753 sc->sc_flags &= ~STF_WRTTN; 754 else 755 sc->sc_flags |= STF_WRTTN; 756 757 if (sc->sc_blklen) { /* fixed mode */ 758 nblks = bp->b_bcount / sc->sc_blklen; 759 if (bp->b_bcount % sc->sc_blklen) { 760 tprintf(sc->sc_ctty, 761 "st%d: I/O not block aligned %d/%ld\n", 762 unit, sc->sc_blklen, bp->b_bcount); 763 cmd->cdb[1] &= 0xfe; /* force error */ 764 } 765 } else /* variable len */ 766 nblks = bp->b_bcount; 767 768 *(u_char *)(&cmd->cdb[2]) = (u_char) (nblks >> 16); 769 *(u_char *)(&cmd->cdb[3]) = (u_char) (nblks >> 8); 770 *(u_char *)(&cmd->cdb[4]) = (u_char) nblks; 771 /* 772 * Always Zero. We are either writing in variable 773 * length mode we are writing in fixed block mode, 774 * or we are going to do odd length IO and are not 775 * going to use DMA. 776 */ 777 pad = 0; 778 } 779 780 #ifdef DEBUG 781 if (st_debug & ST_GO) 782 printf("stgo: cmd len %d [0]0x%x [1]0x%x [2]0x%x [3]0x%x [4]0x%x [5]0x%x\n", 783 cmd->len, cmd->cdb[0], cmd->cdb[1], cmd->cdb[2], 784 cmd->cdb[3], cmd->cdb[4], cmd->cdb[5]); 785 #endif 786 787 sc->sc_flags |= STF_MOVED; 788 if (bp->b_bcount & 1) { 789 #ifdef DEBUG 790 if (st_debug & ST_ODDIO) 791 printf("stgo%d: odd count %d using manual transfer\n", 792 unit, bp->b_bcount); 793 #endif 794 stat = scsi_tt_oddio(hp->hp_ctlr, hp->hp_slave, sc->sc_punit, 795 bp->b_un.b_addr, bp->b_bcount, 796 bp->b_flags, 1); 797 if (stat == 0) { 798 bp->b_resid = 0; 799 stfinish(unit, sc, bp); 800 } 801 } else 802 stat = scsigo(hp->hp_ctlr, hp->hp_slave, sc->sc_punit, 803 bp, cmd, pad); 804 if (stat) { 805 bp->b_error = EIO; 806 bp->b_flags |= B_ERROR; 807 stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, 808 sc->sc_punit, sc); 809 sterror(unit, sc, stat); 810 stfinish(unit, sc, bp); 811 } 812 } 813 814 stfinish(unit, sc, bp) 815 int unit; 816 struct st_softc *sc; 817 struct buf *bp; 818 { 819 register struct buf *dp; 820 821 sttab[unit].b_errcnt = 0; 822 if (dp = bp->b_actf) 823 dp->b_actb = bp->b_actb; 824 else 825 sttab[unit].b_actb = bp->b_actb; 826 *bp->b_actb = dp; 827 iodone(bp); 828 scsifree(&sc->sc_dq); 829 if (sttab[unit].b_actf) 830 stustart(unit); 831 else 832 sttab[unit].b_active = 0; 833 } 834 835 stread(dev, uio) 836 dev_t dev; 837 struct uio *uio; 838 { 839 int unit = UNIT(dev); 840 841 return(physio(ststrategy, &stbuf[unit], dev, B_READ, minphys, uio)); 842 } 843 844 stwrite(dev, uio) 845 dev_t dev; 846 struct uio *uio; 847 { 848 int unit = UNIT(dev); 849 850 return(physio(ststrategy, &stbuf[unit], dev, B_WRITE, minphys, uio)); 851 } 852 853 /*ARGSUSED*/ 854 stdump(dev) 855 dev_t dev; 856 { 857 return(ENXIO); 858 } 859 860 /*ARGSUSED*/ 861 stioctl(dev, cmd, data, flag) 862 dev_t dev; 863 int cmd; 864 caddr_t data; 865 int flag; 866 { 867 register struct st_softc *sc = &st_softc[UNIT(dev)]; 868 register int cnt; 869 register struct mtget *mtget; 870 register struct st_xsense *xp = &st_xsense[UNIT(dev)]; 871 register struct mtop *op; 872 long resid; 873 874 switch (cmd) { 875 876 /* tape operation */ 877 case MTIOCTOP: 878 op = (struct mtop *)data; 879 switch (op->mt_op) { 880 881 case MTBSR: 882 case MTFSR: 883 if (sc->sc_tapeid == MT_ISAR) 884 return(ENXIO); 885 case MTWEOF: 886 case MTFSF: 887 case MTBSF: 888 cnt = (int)op->mt_count; 889 break; 890 891 case MTREW: 892 case MTOFFL: 893 cnt = 1; 894 break; 895 896 case MTNOP: 897 return(0); 898 default: 899 return(EINVAL); 900 } 901 if (cnt <= 0) 902 return(EINVAL); 903 stcommand(dev, (u_int)op->mt_op, cnt); 904 break; 905 906 /* drive status */ 907 case MTIOCGET: 908 mtget = (struct mtget *)data; 909 stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, 910 sc->sc_punit, sc); 911 mtget->mt_type = sc->sc_tapeid; 912 mtget->mt_dsreg = 0; 913 mtget->mt_erreg = ((xp->sc_xsense.valid << 15) | 914 (xp->sc_xsense.filemark << 14) | 915 (xp->sc_xsense.eom << 13) | 916 (xp->sc_xsense.ili << 12) | 917 (xp->sc_xsense.key << 8)); 918 919 if (sc->sc_tapeid == MT_ISEXABYTE) { 920 mtget->mt_dsreg = sc->sc_flags; 921 resid = (xp->exb_xsense.tplft2 << 16 | 922 xp->exb_xsense.tplft1 << 8 | 923 xp->exb_xsense.tplft0); 924 mtget->mt_resid = resid / 1000; 925 mtget->mt_erreg |= (((xp->exb_xsense.rwerrcnt2 << 16 | 926 xp->exb_xsense.rwerrcnt1 << 8 | 927 xp->exb_xsense.rwerrcnt0) * 100) / 928 (sc->sc_numblks - resid)) & 0xff; 929 } else if (xp->sc_xsense.valid) { 930 resid = ((xp->sc_xsense.info1 << 24) | 931 (xp->sc_xsense.info2 << 16) | 932 (xp->sc_xsense.info3 << 8) | 933 (xp->sc_xsense.info4)); 934 if (sc->sc_blklen) /* if fixed mode */ 935 resid *= sc->sc_blklen; 936 mtget->mt_resid = resid; 937 } else 938 mtget->mt_resid = 0; 939 break; 940 941 default: 942 return(ENXIO); 943 } 944 return(0); 945 } 946 947 stintr(unit, stat) 948 int unit, stat; 949 { 950 register struct st_softc *sc = &st_softc[unit]; 951 register struct st_xsense *xp = &st_xsense[unit]; 952 register struct buf *bp = sttab[unit].b_actf; 953 struct hp_device *hp = sc->sc_hd; 954 955 #ifdef DEBUG 956 if (bp == NULL) { 957 printf("st%d: bp == NULL\n", unit); 958 return; 959 } 960 #endif 961 switch (stat) { 962 /* scsi command completed ok */ 963 case 0: 964 bp->b_resid = 0; 965 break; 966 967 /* more status */ 968 case STS_CHECKCOND: 969 stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, 970 sc->sc_punit, sc); 971 if (xp->sc_xsense.valid) { 972 bp->b_resid = (u_long)((xp->sc_xsense.info1 << 24) | 973 (xp->sc_xsense.info2 << 16) | 974 (xp->sc_xsense.info3 << 8) | 975 (xp->sc_xsense.info4)); 976 if (sc->sc_blklen) /* fixed mode */ 977 bp->b_resid *= sc->sc_blklen; 978 } 979 if (xp->sc_xsense.filemark) { 980 sc->sc_filepos++; 981 break; 982 } 983 if (xp->sc_xsense.key != XSK_NOSENCE 984 && xp->sc_xsense.key != XSK_NOTUSED1 985 && xp->sc_xsense.key != XSK_NOTUSEDC 986 && xp->sc_xsense.key != XSK_NOTUSEDE) { 987 sterror(unit, sc, stat); 988 bp->b_flags |= B_ERROR; 989 bp->b_error = EIO; 990 break; 991 } 992 if (xp->sc_xsense.ili) { 993 /* 994 * Fixed length blocks, an error. 995 */ 996 if (sc->sc_blklen) { 997 tprintf(sc->sc_ctty, 998 "st%d: Incorrect Length Indicator, blkcnt diff %d\n", 999 unit, sc->sc_blklen - bp->b_resid); 1000 bp->b_flags |= B_ERROR; 1001 bp->b_error = EIO; 1002 break; 1003 } 1004 /* 1005 * Variable length but read more than requested, 1006 * an error. (XXX ??? wrong for 9 track?) 1007 */ 1008 if (bp->b_resid < 0) { 1009 bp->b_resid = 0; 1010 bp->b_flags |= B_ERROR; 1011 bp->b_error = ENOMEM; 1012 break; 1013 } 1014 /* 1015 * Variable length and odd, may require special 1016 * handling. 1017 */ 1018 if (bp->b_resid & 1 && (sc->sc_tapeid != MT_ISAR)) { 1019 /* 1020 * Normal behavior, treat as an error. 1021 */ 1022 if (!st_dmaoddretry) { 1023 tprintf(sc->sc_ctty, 1024 "st%d: Odd length read %d\n", 1025 UNIT(bp->b_dev), 1026 bp->b_bcount - bp->b_resid); 1027 bp->b_error = EIO; 1028 bp->b_flags |= B_ERROR; 1029 break; 1030 } 1031 /* 1032 * Attempt to back up and re-read using oddio. 1033 */ 1034 #ifdef DEBUG 1035 if (st_debug & ST_ODDIO) 1036 printf("st%d: stintr odd count %d, do BSR then oddio\n", 1037 UNIT(bp->b_dev), 1038 bp->b_bcount - bp->b_resid); 1039 #endif 1040 stat = scsi_tt_oddio(hp->hp_ctlr, hp->hp_slave, 1041 sc->sc_punit, 0, -1, 0, 0); 1042 if (stat == 0) 1043 stat = scsi_tt_oddio(hp->hp_ctlr, 1044 hp->hp_slave, 1045 sc->sc_punit, 1046 bp->b_un.b_addr, 1047 bp->b_bcount - bp->b_resid, 1048 bp->b_flags, 0); 1049 if (stat) { 1050 bp->b_error = EIO; 1051 bp->b_flags |= B_ERROR; 1052 stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, 1053 sc->sc_punit, sc); 1054 sterror(unit, sc, stat); 1055 } 1056 } 1057 break; 1058 } 1059 if (xp->sc_xsense.eom) { 1060 bp->b_flags |= B_ERROR; 1061 bp->b_error = ENOSPC; 1062 break; 1063 } 1064 tprintf(sc->sc_ctty, "st%d: unknown scsi error\n", unit); 1065 bp->b_flags |= B_ERROR; 1066 bp->b_error = EIO; 1067 break; 1068 1069 default: 1070 printf("st%d: stintr unknown stat 0x%x\n", unit, stat); 1071 break; 1072 } 1073 #ifdef DEBUG 1074 if ((st_debug & ST_BRESID) && bp->b_resid != 0) 1075 printf("b_resid %d b_flags 0x%x b_error 0x%x\n", 1076 bp->b_resid, bp->b_flags, bp->b_error); 1077 #endif 1078 /* asked for more filemarks then on tape */ 1079 if (bp->b_resid != 0 && 1080 (sc->sc_flags & STF_CMD) && sc->sc_cmd == CMD_SPACE) { 1081 sc->sc_filepos -= bp->b_resid; 1082 if (sc->sc_filepos < 0) 1083 sc->sc_filepos = 0; 1084 } 1085 1086 #ifdef TTI 1087 if (st_extti & (1<<unit) && 1088 sc->sc_type == MT_ISEXABYTE) /* to make display lit up */ 1089 /* 1090 * XXX severe performance penality for this. 1091 * Try and throttle by not calling stxsense on every intr. 1092 * Mostly for TTi we, get a stxsense call in open and close. 1093 */ 1094 if (sc->sc_tticntdwn-- == 0) { 1095 stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, 1096 sc->sc_punit, sc); 1097 sc->sc_tticntdwn = 100; 1098 } 1099 #endif 1100 1101 stfinish(unit, sc, bp); 1102 } 1103 1104 stcommand(dev, command, cnt) 1105 dev_t dev; 1106 u_int command; 1107 int cnt; 1108 { 1109 register struct st_softc *sc = &st_softc[UNIT(dev)]; 1110 register struct buf *bp = &stbuf[UNIT(dev)]; 1111 register struct scsi_fmt_cdb *cmd = &stcmd[UNIT(dev)]; 1112 register cmdcnt; 1113 int s; 1114 1115 cmd->len = 6; /* all tape commands are cdb6 */ 1116 cmd->cdb[1] = sc->sc_punit; 1117 cmd->cdb[2] = cmd->cdb[3] = cmd->cdb[4] = cmd->cdb[5] = 0; 1118 cmdcnt = 0; 1119 1120 /* 1121 * XXX Assumption is that everything except Archive can take 1122 * repeat count in cdb block. 1123 */ 1124 switch (command) { 1125 case MTWEOF: 1126 cmd->cdb[0] = CMD_WRITE_FILEMARK; 1127 if (sc->sc_tapeid != MT_ISAR) { 1128 cmdcnt = cnt; 1129 cnt = 1; 1130 } else 1131 cmdcnt = 1; 1132 *(u_char *)(&cmd->cdb[2]) = (u_char) (cmdcnt >> 16); 1133 *(u_char *)(&cmd->cdb[3]) = (u_char) (cmdcnt >> 8); 1134 *(u_char *)(&cmd->cdb[4]) = (u_char) cmdcnt; 1135 1136 if (sc->sc_tapeid == MT_ISEXABYTE && 1137 (minor(dev) & STDEV_EXSFMK)) /* short filemarks */ 1138 cmd->cdb[5] |= 0x80; 1139 else 1140 cmd->cdb[5] &= 0x7f; 1141 break; 1142 case MTBSF: 1143 /* Archive can't back up, will not get to BSR case */ 1144 if (sc->sc_tapeid == MT_ISAR) { 1145 if ((sc->sc_filepos - cnt) < 0) { 1146 stcommand(dev, MTREW, 1); 1147 return; 1148 } 1149 cmdcnt = sc->sc_filepos - cnt + 1; 1150 stcommand(dev, MTREW, 1); 1151 stcommand(dev, MTFSF, cmdcnt); 1152 return; 1153 } 1154 case MTBSR: 1155 case MTFSR: 1156 case MTFSF: 1157 if (command == MTBSF || command == MTBSR) 1158 cnt = cnt * (-1); /* backward move */ 1159 if (command == MTFSF || command == MTBSF) 1160 cmd->cdb[1] |= 0x01; /* filemarks */ 1161 else 1162 cmd->cdb[1] |= 0x00; /* logical blocks */ 1163 if (sc->sc_tapeid != MT_ISAR) { 1164 cmdcnt = cnt; 1165 cnt = 1; 1166 } else 1167 cmdcnt = 1; 1168 *(u_char *)(&cmd->cdb[2]) = (u_char) (cmdcnt >> 16); 1169 *(u_char *)(&cmd->cdb[3]) = (u_char) (cmdcnt >> 8); 1170 *(u_char *)(&cmd->cdb[4]) = (u_char) cmdcnt; 1171 cmd->cdb[0] = CMD_SPACE; 1172 break; 1173 case MTREW: 1174 cmd->cdb[0] = CMD_REWIND; 1175 sc->sc_filepos = 0; 1176 break; 1177 case MTOFFL: 1178 cmd->cdb[0] = CMD_LOADUNLOAD; 1179 sc->sc_filepos = 0; 1180 break; 1181 default: 1182 printf("st%d: stcommand bad command 0x%x\n", 1183 UNIT(dev), command); 1184 } 1185 1186 sc->sc_flags |= STF_CMD; 1187 sc->sc_cmd = cmd->cdb[0]; 1188 1189 sc->sc_bp = bp; 1190 again: 1191 #ifdef DEBUG 1192 if (st_debug & ST_FMKS) 1193 printf("st%d: stcommand filepos %d cmdcnt %d cnt %d\n", 1194 UNIT(dev), sc->sc_filepos, cmdcnt, cnt); 1195 #endif 1196 s = splbio(); 1197 while (bp->b_flags & B_BUSY) { 1198 if (bp->b_flags & B_DONE) 1199 break; 1200 bp->b_flags |= B_WANTED; 1201 sleep((caddr_t)bp, PRIBIO); 1202 } 1203 bp->b_flags = B_BUSY|B_READ; 1204 splx(s); 1205 bp->b_dev = dev; 1206 bp->b_bcount = 0; 1207 bp->b_resid = 0; 1208 bp->b_blkno = 0; 1209 bp->b_error = 0; 1210 ststrategy(bp); 1211 iowait(bp); 1212 if (bp->b_flags & B_WANTED) 1213 wakeup((caddr_t)bp); 1214 bp->b_flags &= B_ERROR; 1215 1216 if (command == MTWEOF || command == MTFSF || command == MTBSF) 1217 sc->sc_filepos += cmdcnt; 1218 1219 if (--cnt > 0) 1220 goto again; 1221 1222 sc->sc_flags |= STF_MOVED; 1223 sc->sc_flags &= ~(STF_CMD|STF_WRTTN); 1224 } 1225 1226 sterror(unit, sc, stat) 1227 int unit, stat; 1228 struct st_softc *sc; 1229 { 1230 /* stxsense must have been called before sterror() */ 1231 if (stat & STS_CHECKCOND) 1232 prtkey(unit, sc); 1233 else if (stat) 1234 tprintf(sc->sc_ctty, 1235 "st%d: bad scsi status 0x%x\n", unit, stat); 1236 1237 if ((sc->sc_flags & STF_CMD) && sc->sc_cmd == CMD_SPACE) /* fsf */ 1238 sc->sc_filepos--; 1239 } 1240 1241 stxsense(ctlr, slave, unit, sc) 1242 int ctlr, slave, unit; 1243 struct st_softc *sc; 1244 { 1245 u_char *sensebuf; 1246 unsigned len; 1247 1248 sensebuf = (u_char *)&st_xsense[sc->sc_dq.dq_unit]; 1249 len = sc->sc_datalen[CMD_REQUEST_SENSE]; 1250 scsi_request_sense(ctlr, slave, unit, sensebuf, len); 1251 } 1252 1253 prtkey(unit, sc) 1254 int unit; 1255 struct st_softc *sc; 1256 { 1257 register struct st_xsense *xp = &st_xsense[unit]; 1258 1259 switch (xp->sc_xsense.key) { 1260 case XSK_NOSENCE: 1261 break; 1262 case XSK_NOTUSED1: 1263 case XSK_NOTUSEDC: 1264 case XSK_NOTUSEDE: 1265 break; 1266 case XSK_REVERVED: 1267 tprintf(sc->sc_ctty, "st%d: Reserved sense key 0x%x\n", 1268 unit, xp->sc_xsense.key); 1269 break; 1270 case XSK_NOTRDY: 1271 tprintf(sc->sc_ctty, "st%d: NOT READY\n", unit); 1272 break; 1273 case XSK_MEDERR: 1274 tprintf(sc->sc_ctty, "st%d: MEDIUM ERROR\n", unit); 1275 break; 1276 case XSK_HRDWERR: 1277 tprintf(sc->sc_ctty, "st%d: HARDWARE ERROR\n", unit); 1278 break; 1279 case XSK_ILLREQ: 1280 tprintf(sc->sc_ctty, "st%d: ILLEGAL REQUEST\n", unit); 1281 break; 1282 case XSK_UNTATTEN: 1283 tprintf(sc->sc_ctty, "st%d: UNIT ATTENTION\n", unit); 1284 break; 1285 case XSK_DATAPROT: 1286 tprintf(sc->sc_ctty, "st%d: DATA PROTECT\n", unit); 1287 break; 1288 case XSK_BLNKCHK: 1289 tprintf(sc->sc_ctty, "st%d: BLANK CHECK\n", unit); 1290 break; 1291 case XSK_VENDOR: 1292 tprintf(sc->sc_ctty, "st%d: VENDER UNIQUE SENSE KEY ", unit); 1293 switch (sc->sc_tapeid) { 1294 case MT_ISEXABYTE: 1295 tprintf(sc->sc_ctty, "Exabyte: "); 1296 if (xp->exb_xsense.xfr) 1297 tprintf(sc->sc_ctty, 1298 "Transfer Abort Error\n"); 1299 if (xp->exb_xsense.tmd) 1300 tprintf(sc->sc_ctty, 1301 "Tape Mark Detect Error\n"); 1302 break; 1303 default: 1304 tprintf(sc->sc_ctty, "\n"); 1305 } 1306 break; 1307 case XSK_CPYABORT: 1308 tprintf(sc->sc_ctty, "st%d: COPY ABORTED\n", unit); 1309 break; 1310 case XSK_ABORTCMD: 1311 tprintf(sc->sc_ctty, "st%d: ABORTED COMMAND\n", unit); 1312 break; 1313 case XSK_VOLOVER: 1314 tprintf(sc->sc_ctty, "st%d: VOLUME OVERFLOW\n", unit); 1315 break; 1316 default: 1317 tprintf(sc->sc_ctty, "st%d: unknown sense key 0x%x\n", 1318 unit, xp->sc_xsense.key); 1319 } 1320 if (sc->sc_tapeid == MT_ISEXABYTE) { 1321 if (xp->exb_xsense.bpe) 1322 tprintf(sc->sc_ctty, "st%d: Bus Parity Errorn", unit); 1323 if (xp->exb_xsense.fpe) 1324 tprintf(sc->sc_ctty, 1325 "st%d: Formatted Buffer Parity Errorn", unit); 1326 if (xp->exb_xsense.eco) 1327 tprintf(sc->sc_ctty, "st%d: Error Counter Overflown", 1328 unit); 1329 if (xp->exb_xsense.tme) 1330 tprintf(sc->sc_ctty, "st%d: Tape Motion Errorn", unit); 1331 if (xp->exb_xsense.xfr) 1332 tprintf(sc->sc_ctty, "st%d: Transfer About Errorn", 1333 unit); 1334 if (xp->exb_xsense.tmd) 1335 tprintf(sc->sc_ctty, "st%d: Tape Mark Detect Errorn", 1336 unit); 1337 if (xp->exb_xsense.fmke) 1338 tprintf(sc->sc_ctty, "st%d: Filemark Errorn", unit); 1339 if (xp->exb_xsense.ure) 1340 tprintf(sc->sc_ctty, "st%d: Under Run Errorn", unit); 1341 if (xp->exb_xsense.sse) 1342 tprintf(sc->sc_ctty, "st%d: Servo System Errorn", 1343 unit); 1344 if (xp->exb_xsense.fe) 1345 tprintf(sc->sc_ctty, "st%d: Formatter Errorn", unit); 1346 if (xp->exb_xsense.wseb) 1347 tprintf(sc->sc_ctty, "st%d: WSEB Errorn", unit); 1348 if (xp->exb_xsense.wseo) 1349 tprintf(sc->sc_ctty, "st%d: WSEO Errorn", unit); 1350 } 1351 } 1352 1353 #ifdef DEBUG 1354 1355 dumpxsense(sensebuf) 1356 struct st_xsense *sensebuf; 1357 { 1358 struct st_xsense *xp = sensebuf; 1359 1360 printf("valid 0x%x errorclass 0x%x errorcode 0x%x\n", 1361 xp->sc_xsense.valid, 1362 xp->sc_xsense.class, xp->sc_xsense.code); 1363 printf("seg number 0x%x\n", xp->sc_xsense.segment); 1364 printf("FMK 0x%x EOM 0x%x ILI 0x%x RSVD 0x%x sensekey 0x%x\n", 1365 xp->sc_xsense.filemark, xp->sc_xsense.eom, xp->sc_xsense.ili, 1366 xp->sc_xsense.rsvd, xp->sc_xsense.key); 1367 printf("info 0x%lx\n", 1368 (u_long)((xp->sc_xsense.info1<<24)|(xp->sc_xsense.info2<<16)| 1369 (xp->sc_xsense.info3<<8)|(xp->sc_xsense.info4)) ); 1370 printf("ASenseL 0x%x\n", xp->sc_xsense.len); 1371 1372 if (xp->sc_xsense.len != 0x12) /* MT_ISEXB Exabyte only ?? */ 1373 return; /* What about others */ 1374 1375 printf("ASenseC 0x%x\n", xp->exb_xsense.addsens); 1376 printf("AsenseQ 0x%x\n", xp->exb_xsense.addsensq); 1377 printf("R/W Errors 0x%lx\n", 1378 (u_long)((xp->exb_xsense.rwerrcnt2<<16)| 1379 (xp->exb_xsense.rwerrcnt1<<8)| 1380 (xp->exb_xsense.rwerrcnt1)) ); 1381 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", 1382 xp->exb_xsense.pf, xp->exb_xsense.bpe, xp->exb_xsense.fpe, 1383 xp->exb_xsense.me, xp->exb_xsense.eco, xp->exb_xsense.tme, 1384 xp->exb_xsense.tnp, xp->exb_xsense.bot); 1385 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", 1386 xp->exb_xsense.xfr, xp->exb_xsense.tmd, xp->exb_xsense.wp, 1387 xp->exb_xsense.fmke, xp->exb_xsense.ure, xp->exb_xsense.we1, 1388 xp->exb_xsense.sse, xp->exb_xsense.fe); 1389 printf("WSEB 0x%x WSEO 0x%x\n", 1390 xp->exb_xsense.wseb, xp->exb_xsense.wseo); 1391 printf("Remaining Tape 0x%lx\n", 1392 (u_long)((xp->exb_xsense.tplft2<<16)| 1393 (xp->exb_xsense.tplft1<<8)| 1394 (xp->exb_xsense.tplft0)) ); 1395 } 1396 1397 prtmodsel(msd, modlen) 1398 struct mode_select_data *msd; 1399 int modlen; 1400 { 1401 printf("Modsel command. len is 0x%x.\n", modlen); 1402 printf("rsvd1 0x%x rsvd2 0x%x rsvd3 0x%x bufferd 0x%x speed 0x%x bckdeslen 0x%x\n", 1403 msd->rsvd1,msd->rsvd2,msd->rsvd3,msd->buff,msd->speed,msd->blkdeslen); 1404 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", 1405 msd->density,msd->blks2,msd->blks1,msd->blks0,msd->rsvd4,msd->blklen2,msd->blklen1,msd->blklen0); 1406 printf("vupb 0x%x rsvd 0x%x p5 0x%x motionthres 0x%x reconthres 0x%x gapthres 0x%x \n", 1407 msd->vupb,msd->rsvd5,msd->p5,msd->motionthres,msd->reconthres,msd->gapthres); 1408 } 1409 1410 prtmodstat(mode) 1411 struct mode_sense *mode; 1412 { 1413 printf("Mode Status\n"); 1414 printf("sdl 0x%x medtype 0x%x wp 0x%x bfmd 0x%x speed 0x%x bdl 0x%x\n", 1415 mode->md.sdl, mode->md.medtype, mode->md.wp, mode->md.bfmd, 1416 mode->md.speed, mode->md.bdl); 1417 printf("dencod 0x%x numblk 0x%x blklen 0x%x\n", 1418 mode->md.dencod, 1419 (mode->md.numblk2<<16)|(mode->md.numblk1<<8)|(mode->md.numblk0), 1420 (mode->md.blklen2<<16)|(mode->md.blklen1<<8)|(mode->md.blklen0) ); 1421 printf("ct 0x%x nd 0x%x nbe 0x%x edb 0x%x pe 0x%x nal 0x%x p5 0x%x\n", 1422 mode->ex.ct, mode->ex.nd, mode->ex.nbe, 1423 mode->ex.ebd, mode->ex.pe, mode->ex.nal, mode->ex.p5); 1424 printf("motionthres 0x%x reconthres 0x%x gapthres 0x%x\n", 1425 mode->ex.motionthres, mode->ex.reconthres, mode->ex.gapthres); 1426 } 1427 #endif /* DEBUG */ 1428 1429 #endif 1430