1 /*- 2 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/dev/ata/atapi-tape.c,v 1.101 2006/01/05 21:27:19 sos Exp $ 27 */ 28 29 #include "opt_ata.h" 30 31 #include <sys/param.h> 32 #include <sys/bio.h> 33 #include <sys/buf.h> 34 #include <sys/bus.h> 35 #include <sys/conf.h> 36 #include <sys/device.h> 37 #include <sys/devicestat.h> 38 #include <sys/disk.h> 39 #include <sys/kernel.h> 40 #include <sys/libkern.h> 41 #include <sys/malloc.h> 42 #include <sys/module.h> 43 #include <sys/mtio.h> 44 #include <sys/nata.h> 45 #include <sys/systm.h> 46 47 #include "ata-all.h" 48 #include "atapi-tape.h" 49 #include "ata_if.h" 50 51 /* local implementation, to trigger a warning */ 52 static inline void 53 biofinish(struct bio *bp, struct bio *x __unused, int error) 54 { 55 struct buf *bbp = bp->bio_buf; 56 57 bbp->b_flags |= B_ERROR; 58 bbp->b_error = error; 59 biodone(bp); 60 } 61 62 /* device structure */ 63 static d_open_t ast_open; 64 static d_close_t ast_close; 65 static d_ioctl_t ast_ioctl; 66 static d_strategy_t ast_strategy; 67 static struct dev_ops ast_ops = { 68 { "ast", 119, D_TAPE | D_TRACKCLOSE }, 69 .d_open = ast_open, 70 .d_close = ast_close, 71 .d_read = physread, 72 .d_write = physwrite, 73 .d_ioctl = ast_ioctl, 74 .d_strategy = ast_strategy 75 }; 76 77 /* prototypes */ 78 static int ast_sense(device_t); 79 static void ast_describe(device_t); 80 static void ast_done(struct ata_request *); 81 static int ast_mode_sense(device_t, int, void *, int); 82 static int ast_mode_select(device_t, void *, int); 83 static int ast_write_filemark(device_t, u_int8_t); 84 static int ast_read_position(device_t, int, struct ast_readposition *); 85 static int ast_space(device_t, u_int8_t, int32_t); 86 static int ast_locate(device_t, int, u_int32_t); 87 static int ast_prevent_allow(device_t, int); 88 static int ast_load_unload(device_t, u_int8_t); 89 static int ast_rewind(device_t); 90 static int ast_erase(device_t); 91 static int ast_test_ready(device_t); 92 static int ast_wait_dsc(device_t, int); 93 94 /* internal vars */ 95 static u_int64_t ast_total = 0; 96 static MALLOC_DEFINE(M_AST, "ast_driver", "ATAPI tape driver buffers"); 97 98 static int 99 ast_probe(device_t dev) 100 { 101 struct ata_device *atadev = device_get_softc(dev); 102 103 if ((atadev->param.config & ATA_PROTO_ATAPI) && 104 (atadev->param.config & ATA_ATAPI_TYPE_MASK) == ATA_ATAPI_TYPE_TAPE) 105 return 0; 106 else 107 return ENXIO; 108 } 109 110 static int 111 ast_attach(device_t dev) 112 { 113 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 114 struct ata_device *atadev = device_get_softc(dev); 115 struct ast_softc *stp; 116 struct ast_readposition position; 117 cdev_t cdev; 118 119 stp = kmalloc(sizeof(struct ast_softc), M_AST, M_WAITOK | M_ZERO); 120 device_set_ivars(dev, stp); 121 ATA_SETMODE(device_get_parent(dev), dev); 122 123 if (ast_sense(dev)) { 124 device_set_ivars(dev, NULL); 125 kfree(stp, M_AST); 126 return ENXIO; 127 } 128 if (!strcmp(atadev->param.model, "OnStream DI-30")) { 129 struct ast_transferpage transfer; 130 struct ast_identifypage identify; 131 132 stp->flags |= F_ONSTREAM; 133 bzero(&transfer, sizeof(struct ast_transferpage)); 134 ast_mode_sense(dev, ATAPI_TAPE_TRANSFER_PAGE, 135 &transfer, sizeof(transfer)); 136 bzero(&identify, sizeof(struct ast_identifypage)); 137 ast_mode_sense(dev, ATAPI_TAPE_IDENTIFY_PAGE, 138 &identify, sizeof(identify)); 139 strncpy(identify.ident, "FBSD", 4); 140 ast_mode_select(dev, &identify, sizeof(identify)); 141 ast_read_position(dev, 0, &position); 142 } 143 144 devstat_add_entry(&stp->stats, "ast", device_get_unit(dev), DEV_BSIZE, 145 DEVSTAT_NO_ORDERED_TAGS, 146 DEVSTAT_TYPE_SEQUENTIAL | DEVSTAT_TYPE_IF_IDE, 147 DEVSTAT_PRIORITY_TAPE); 148 cdev = make_dev(&ast_ops, 2 * device_get_unit(dev), UID_ROOT, GID_OPERATOR, 149 0640, "ast%d", device_get_unit(dev)); 150 reference_dev(cdev); 151 cdev->si_drv1 = dev; 152 if (ch->dma) 153 cdev->si_iosize_max = ch->dma->max_iosize; 154 else 155 cdev->si_iosize_max = min(MAXPHYS,64*1024); 156 stp->cdev1 = cdev; 157 cdev = make_dev(&ast_ops, 2 * device_get_unit(dev) + 1, UID_ROOT, 158 GID_OPERATOR, 0640, "nast%d", device_get_unit(dev)); 159 reference_dev(cdev); 160 cdev->si_drv1 = dev; 161 if (ch->dma) 162 cdev->si_iosize_max = ch->dma->max_iosize; 163 else 164 cdev->si_iosize_max = min(MAXPHYS,64*1024); 165 stp->cdev2 = cdev; 166 167 /* announce we are here and ready */ 168 ast_describe(dev); 169 return 0; 170 } 171 172 static int 173 ast_detach(device_t dev) 174 { 175 struct ast_softc *stp = device_get_ivars(dev); 176 177 /* detroy devices from the system so we dont get any further requests */ 178 destroy_dev(stp->cdev1); 179 destroy_dev(stp->cdev2); 180 181 /* fail requests on the queue and any thats "in flight" for this device */ 182 ata_fail_requests(dev); 183 184 /* dont leave anything behind */ 185 dev_ops_remove_minor(&ast_ops, /*dkunitmask(), */dkmakeunit(device_get_unit(dev))); 186 devstat_remove_entry(&stp->stats); 187 device_set_ivars(dev, NULL); 188 kfree(stp, M_AST); 189 return 0; 190 } 191 192 static void 193 ast_shutdown(device_t dev) 194 { 195 struct ata_device *atadev = device_get_softc(dev); 196 197 if (atadev->param.support.command2 & ATA_SUPPORT_FLUSHCACHE) 198 ata_controlcmd(dev, ATA_FLUSHCACHE, 0, 0, 0); 199 } 200 201 static int 202 ast_reinit(device_t dev) 203 { 204 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 205 struct ata_device *atadev = device_get_softc(dev); 206 struct ast_softc *stp = device_get_ivars(dev); 207 208 if (((atadev->unit == ATA_MASTER) && !(ch->devices & ATA_ATAPI_MASTER)) || 209 ((atadev->unit == ATA_SLAVE) && !(ch->devices & ATA_ATAPI_SLAVE))) { 210 device_set_ivars(dev, NULL); 211 kfree(stp, M_AST); 212 return 1; 213 } 214 ATA_SETMODE(device_get_parent(dev), dev); 215 return 0; 216 } 217 218 static int 219 ast_open(struct dev_open_args *ap) 220 { 221 device_t dev = ap->a_head.a_dev->si_drv1; 222 struct ata_device *atadev = device_get_softc(dev); 223 struct ast_softc *stp = device_get_ivars(dev); 224 225 if (!stp) 226 return ENXIO; 227 if (!device_is_attached(dev)) 228 return EBUSY; 229 230 ast_test_ready(dev); 231 if (stp->cap.lock) 232 ast_prevent_allow(dev, 1); 233 if (ast_sense(dev)) 234 device_printf(dev, "sense media type failed\n"); 235 236 atadev->flags &= ~ATA_D_MEDIA_CHANGED; 237 stp->flags &= ~(F_DATA_WRITTEN | F_FM_WRITTEN); 238 ast_total = 0; 239 return 0; 240 } 241 242 static int 243 ast_close(struct dev_close_args *ap) 244 { 245 device_t dev = ap->a_head.a_dev->si_drv1; 246 struct ast_softc *stp = device_get_ivars(dev); 247 cdev_t cdev = ap->a_head.a_dev; 248 249 /* flush buffers, some drives fail here, they should report ctl = 0 */ 250 if (stp->cap.ctl && (stp->flags & F_DATA_WRITTEN)) 251 ast_write_filemark(dev, 0); 252 253 /* write filemark if data written to tape */ 254 if (!(stp->flags & F_ONSTREAM) && 255 (stp->flags & (F_DATA_WRITTEN | F_FM_WRITTEN)) == F_DATA_WRITTEN) 256 ast_write_filemark(dev, ATAPI_WF_WRITE); 257 258 /* if minor is even rewind on close */ 259 if (!(minor(cdev) & 0x01)) 260 ast_rewind(dev); 261 262 if (stp->cap.lock && count_dev(cdev) == 1) 263 ast_prevent_allow(dev, 0); 264 265 stp->flags &= ~F_CTL_WARN; 266 #ifdef AST_DEBUG 267 device_printf(dev, "%ju total bytes transferred\n", (uintmax_t)ast_total); 268 #endif 269 return 0; 270 } 271 272 static int 273 ast_ioctl(struct dev_ioctl_args *ap) 274 { 275 device_t dev = ap->a_head.a_dev->si_drv1; 276 struct ast_softc *stp = device_get_ivars(dev); 277 int error = 0; 278 279 switch (ap->a_cmd) { 280 case MTIOCGET: 281 { 282 struct mtget *g = (struct mtget *)ap->a_data; 283 284 bzero(g, sizeof(struct mtget)); 285 g->mt_type = 7; 286 g->mt_density = 1; 287 g->mt_blksiz = stp->blksize; 288 g->mt_comp = stp->cap.compress; 289 g->mt_density0 = 0; g->mt_density1 = 0; 290 g->mt_density2 = 0; g->mt_density3 = 0; 291 g->mt_blksiz0 = 0; g->mt_blksiz1 = 0; 292 g->mt_blksiz2 = 0; g->mt_blksiz3 = 0; 293 g->mt_comp0 = 0; g->mt_comp1 = 0; 294 g->mt_comp2 = 0; g->mt_comp3 = 0; 295 } 296 break; 297 298 case MTIOCTOP: 299 { 300 int i; 301 struct mtop *mt = (struct mtop *)ap->a_data; 302 303 switch ((int16_t) (mt->mt_op)) { 304 305 case MTWEOF: 306 for (i=0; i < mt->mt_count && !error; i++) 307 error = ast_write_filemark(dev, ATAPI_WF_WRITE); 308 break; 309 310 case MTFSF: 311 if (mt->mt_count) 312 error = ast_space(dev, ATAPI_SP_FM, mt->mt_count); 313 break; 314 315 case MTBSF: 316 if (mt->mt_count) 317 error = ast_space(dev, ATAPI_SP_FM, -(mt->mt_count)); 318 break; 319 320 case MTREW: 321 error = ast_rewind(dev); 322 break; 323 324 case MTOFFL: 325 error = ast_load_unload(dev, ATAPI_SS_EJECT); 326 break; 327 328 case MTNOP: 329 error = ast_write_filemark(dev, 0); 330 break; 331 332 case MTERASE: 333 error = ast_erase(dev); 334 break; 335 336 case MTEOD: 337 error = ast_space(dev, ATAPI_SP_EOD, 0); 338 break; 339 340 case MTRETENS: 341 error = ast_load_unload(dev, ATAPI_SS_RETENSION|ATAPI_SS_LOAD); 342 break; 343 344 case MTFSR: 345 case MTBSR: 346 case MTCACHE: 347 case MTNOCACHE: 348 case MTSETBSIZ: 349 case MTSETDNSTY: 350 case MTCOMP: 351 default: 352 error = EINVAL; 353 } 354 } 355 break; 356 357 case MTIOCRDSPOS: 358 { 359 struct ast_readposition position; 360 361 if ((error = ast_read_position(dev, 0, &position))) 362 break; 363 *(u_int32_t *)ap->a_data = position.tape; 364 } 365 break; 366 367 case MTIOCRDHPOS: 368 { 369 struct ast_readposition position; 370 371 if ((error = ast_read_position(dev, 1, &position))) 372 break; 373 *(u_int32_t *)ap->a_data = position.tape; 374 } 375 break; 376 377 case MTIOCSLOCATE: 378 error = ast_locate(dev, 0, *(u_int32_t *)ap->a_data); 379 break; 380 381 case MTIOCHLOCATE: 382 error = ast_locate(dev, 1, *(u_int32_t *)ap->a_data); 383 break; 384 385 default: 386 error = ata_device_ioctl(dev, ap->a_cmd, ap->a_data); 387 } 388 return error; 389 } 390 391 static int 392 ast_strategy(struct dev_strategy_args *ap) 393 { 394 device_t dev = ap->a_head.a_dev->si_drv1; 395 struct bio *bp = ap->a_bio; 396 struct buf *bbp = bp->bio_buf; 397 struct ata_device *atadev = device_get_softc(dev); 398 struct ast_softc *stp = device_get_ivars(dev); 399 struct ata_request *request; 400 u_int32_t blkcount; 401 int8_t ccb[16]; 402 403 /* if it's a null transfer, return immediatly. */ 404 if (bbp->b_bcount == 0) { 405 bbp->b_resid = 0; 406 biodone(bp); 407 return 0; 408 } 409 if (!(bbp->b_cmd == BUF_CMD_READ) && (stp->flags & F_WRITEPROTECT)) { 410 biofinish(bp, NULL, EPERM); 411 return 0; 412 } 413 if (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE) { 414 biofinish(bp, NULL, EIO); 415 return 0; 416 } 417 418 /* check for != blocksize requests */ 419 if (bbp->b_bcount % stp->blksize) { 420 device_printf(dev, "transfers must be multiple of %d\n", stp->blksize); 421 biofinish(bp, NULL, EIO); 422 return 0; 423 } 424 425 /* warn about transfers bigger than the device suggests */ 426 if (bbp->b_bcount > stp->blksize * stp->cap.ctl) { 427 if ((stp->flags & F_CTL_WARN) == 0) { 428 device_printf(dev, "WARNING: CTL exceeded %d>%d\n", 429 bbp->b_bcount, stp->blksize * stp->cap.ctl); 430 stp->flags |= F_CTL_WARN; 431 } 432 } 433 434 bzero(ccb, sizeof(ccb)); 435 436 if (bbp->b_cmd == BUF_CMD_READ) 437 ccb[0] = ATAPI_READ; 438 else 439 ccb[0] = ATAPI_WRITE; 440 441 blkcount = bbp->b_bcount / stp->blksize; 442 443 ccb[1] = 1; 444 ccb[2] = blkcount >> 16; 445 ccb[3] = blkcount >> 8; 446 ccb[4] = blkcount; 447 448 if (!(request = ata_alloc_request())) { 449 biofinish(bp, NULL, ENOMEM); 450 return 0; 451 } 452 request->dev = dev; 453 request->bio = bp; 454 bcopy(ccb, request->u.atapi.ccb, 455 (atadev->param.config & ATA_PROTO_MASK) == 456 ATA_PROTO_ATAPI_12 ? 16 : 12); 457 request->data = bbp->b_data; 458 request->bytecount = blkcount * stp->blksize; 459 request->transfersize = min(request->bytecount, 65534); 460 request->timeout = (ccb[0] == ATAPI_WRITE_BIG) ? 180 : 120; 461 request->retries = 2; 462 request->callback = ast_done; 463 464 switch (bbp->b_cmd) { 465 case BUF_CMD_READ: 466 request->flags |= (ATA_R_ATAPI | ATA_R_READ); 467 break; 468 case BUF_CMD_WRITE: 469 request->flags |= (ATA_R_ATAPI | ATA_R_WRITE); 470 break; 471 default: 472 panic("bbp->b_cmd"); 473 } 474 devstat_start_transaction(&stp->stats); 475 ata_queue_request(request); 476 return 0; 477 } 478 479 static void 480 ast_done(struct ata_request *request) 481 { 482 struct ast_softc *stp = device_get_ivars(request->dev); 483 struct bio *bp = request->bio; 484 struct buf *bbp = bp->bio_buf; 485 486 /* finish up transfer */ 487 if ((bbp->b_error = request->result)) 488 bbp->b_flags |= B_ERROR; 489 if (bbp->b_cmd == BUF_CMD_WRITE) 490 stp->flags |= F_DATA_WRITTEN; 491 bbp->b_resid = bbp->b_bcount - request->donecount; 492 ast_total += (bbp->b_bcount - bbp->b_resid); 493 devstat_end_transaction_buf(&stp->stats, bbp); 494 biodone(bp); 495 ata_free_request(request); 496 } 497 498 static int 499 ast_sense(device_t dev) 500 { 501 struct ast_softc *stp = device_get_ivars(dev); 502 int count; 503 504 /* get drive capabilities, some bugridden drives needs this repeated */ 505 for (count = 0 ; count < 5 ; count++) { 506 if (!ast_mode_sense(dev, ATAPI_TAPE_CAP_PAGE, 507 &stp->cap, sizeof(stp->cap)) && 508 stp->cap.page_code == ATAPI_TAPE_CAP_PAGE) { 509 if (stp->cap.blk32k) 510 stp->blksize = 32768; 511 if (stp->cap.blk1024) 512 stp->blksize = 1024; 513 if (stp->cap.blk512) 514 stp->blksize = 512; 515 if (!stp->blksize) 516 continue; 517 stp->cap.max_speed = ntohs(stp->cap.max_speed); 518 stp->cap.max_defects = ntohs(stp->cap.max_defects); 519 stp->cap.ctl = ntohs(stp->cap.ctl); 520 stp->cap.speed = ntohs(stp->cap.speed); 521 stp->cap.buffer_size = ntohs(stp->cap.buffer_size); 522 return 0; 523 } 524 } 525 return 1; 526 } 527 528 static int 529 ast_mode_sense(device_t dev, int page, void *pagebuf, int pagesize) 530 { 531 int8_t ccb[16] = { ATAPI_MODE_SENSE, 0x08, page, pagesize>>8, pagesize, 532 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 533 int error; 534 535 error = ata_atapicmd(dev, ccb, pagebuf, pagesize, ATA_R_READ, 10); 536 return error; 537 } 538 539 static int 540 ast_mode_select(device_t dev, void *pagebuf, int pagesize) 541 { 542 int8_t ccb[16] = { ATAPI_MODE_SELECT, 0x10, 0, pagesize>>8, pagesize, 543 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 544 545 return ata_atapicmd(dev, ccb, pagebuf, pagesize, 0, 10); 546 } 547 548 static int 549 ast_write_filemark(device_t dev, u_int8_t function) 550 { 551 struct ast_softc *stp = device_get_ivars(dev); 552 int8_t ccb[16] = { ATAPI_WEOF, 0x01, 0, 0, function, 0, 0, 0, 553 0, 0, 0, 0, 0, 0, 0, 0 }; 554 int error; 555 556 if (stp->flags & F_ONSTREAM) 557 ccb[4] = 0x00; /* only flush buffers supported */ 558 else { 559 if (function) { 560 if (stp->flags & F_FM_WRITTEN) 561 stp->flags &= ~F_DATA_WRITTEN; 562 else 563 stp->flags |= F_FM_WRITTEN; 564 } 565 } 566 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10); 567 if (error) 568 return error; 569 return ast_wait_dsc(dev, 10*60); 570 } 571 572 static int 573 ast_read_position(device_t dev, int hard, struct ast_readposition *position) 574 { 575 int8_t ccb[16] = { ATAPI_READ_POSITION, (hard ? 0x01 : 0), 0, 0, 0, 0, 0, 0, 576 0, 0, 0, 0, 0, 0, 0, 0 }; 577 int error; 578 579 error = ata_atapicmd(dev, ccb, (caddr_t)position, 580 sizeof(struct ast_readposition), ATA_R_READ, 10); 581 position->tape = ntohl(position->tape); 582 position->host = ntohl(position->host); 583 return error; 584 } 585 586 static int 587 ast_space(device_t dev, u_int8_t function, int32_t count) 588 { 589 int8_t ccb[16] = { ATAPI_SPACE, function, count>>16, count>>8, count, 590 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 591 592 return ata_atapicmd(dev, ccb, NULL, 0, 0, 60*60); 593 } 594 595 static int 596 ast_locate(device_t dev, int hard, u_int32_t pos) 597 { 598 int8_t ccb[16] = { ATAPI_LOCATE, 0x01 | (hard ? 0x4 : 0), 0, 599 pos>>24, pos>>16, pos>>8, pos, 600 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 601 int error; 602 603 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10); 604 if (error) 605 return error; 606 return ast_wait_dsc(dev, 60*60); 607 } 608 609 static int 610 ast_prevent_allow(device_t dev, int lock) 611 { 612 int8_t ccb[16] = { ATAPI_PREVENT_ALLOW, 0, 0, 0, lock, 613 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 614 615 return ata_atapicmd(dev, ccb, NULL, 0, 0, 30); 616 } 617 618 static int 619 ast_load_unload(device_t dev, u_int8_t function) 620 { 621 struct ast_softc *stp = device_get_ivars(dev); 622 int8_t ccb[16] = { ATAPI_START_STOP, 0x01, 0, 0, function, 0, 0, 0, 623 0, 0, 0, 0, 0, 0, 0, 0 }; 624 int error; 625 626 if ((function & ATAPI_SS_EJECT) && !stp->cap.eject) 627 return 0; 628 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10); 629 if (error) 630 return error; 631 tsleep((caddr_t)&error, 0, "astlu", 1 * hz); 632 if (function == ATAPI_SS_EJECT) 633 return 0; 634 return ast_wait_dsc(dev, 60*60); 635 } 636 637 static int 638 ast_rewind(device_t dev) 639 { 640 int8_t ccb[16] = { ATAPI_REZERO, 0x01, 0, 0, 0, 0, 0, 0, 641 0, 0, 0, 0, 0, 0, 0, 0 }; 642 int error; 643 644 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10); 645 if (error) 646 return error; 647 return ast_wait_dsc(dev, 60*60); 648 } 649 650 static int 651 ast_erase(device_t dev) 652 { 653 int8_t ccb[16] = { ATAPI_ERASE, 3, 0, 0, 0, 0, 0, 0, 654 0, 0, 0, 0, 0, 0, 0, 0 }; 655 int error; 656 657 if ((error = ast_rewind(dev))) 658 return error; 659 660 return ata_atapicmd(dev, ccb, NULL, 0, 0, 60*60); 661 } 662 663 static int 664 ast_test_ready(device_t dev) 665 { 666 int8_t ccb[16] = { ATAPI_TEST_UNIT_READY, 0, 0, 0, 0, 667 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 668 669 return ata_atapicmd(dev, ccb, NULL, 0, 0, 30); 670 } 671 672 static int 673 ast_wait_dsc(device_t dev, int timeout) 674 { 675 int error = 0; 676 int8_t ccb[16] = { ATAPI_POLL_DSC, 0, 0, 0, 0, 677 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 678 679 timeout *= hz; 680 while (timeout > 0) { 681 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 0); 682 if (error != EBUSY) 683 break; 684 tsleep(&error, 0, "atpwt", hz / 2); 685 timeout -= (hz / 2); 686 } 687 return error; 688 } 689 690 static void 691 ast_describe(device_t dev) 692 { 693 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 694 struct ata_device *atadev = device_get_softc(dev); 695 struct ast_softc *stp = device_get_ivars(dev); 696 697 if (bootverbose) { 698 device_printf(dev, "<%.40s/%.8s> tape drive at ata%d as %s\n", 699 atadev->param.model, atadev->param.revision, 700 device_get_unit(ch->dev), ata_unit2str(atadev)); 701 device_printf(dev, "%dKB/s, ", stp->cap.max_speed); 702 kprintf("transfer limit %d blk%s, ", 703 stp->cap.ctl, (stp->cap.ctl > 1) ? "s" : ""); 704 kprintf("%dKB buffer, ", (stp->cap.buffer_size * DEV_BSIZE) / 1024); 705 kprintf("%s\n", ata_mode2str(atadev->mode)); 706 device_printf(dev, "Medium: "); 707 switch (stp->cap.medium_type) { 708 case 0x00: 709 kprintf("none"); break; 710 case 0x17: 711 kprintf("Travan 1 (400 Mbyte)"); break; 712 case 0xb6: 713 kprintf("Travan 4 (4 Gbyte)"); break; 714 case 0xda: 715 kprintf("OnStream ADR (15Gyte)"); break; 716 default: 717 kprintf("unknown (0x%x)", stp->cap.medium_type); 718 } 719 if (stp->cap.readonly) kprintf(", readonly"); 720 if (stp->cap.reverse) kprintf(", reverse"); 721 if (stp->cap.eformat) kprintf(", eformat"); 722 if (stp->cap.qfa) kprintf(", qfa"); 723 if (stp->cap.lock) kprintf(", lock"); 724 if (stp->cap.locked) kprintf(", locked"); 725 if (stp->cap.prevent) kprintf(", prevent"); 726 if (stp->cap.eject) kprintf(", eject"); 727 if (stp->cap.disconnect) kprintf(", disconnect"); 728 if (stp->cap.ecc) kprintf(", ecc"); 729 if (stp->cap.compress) kprintf(", compress"); 730 if (stp->cap.blk512) kprintf(", 512b"); 731 if (stp->cap.blk1024) kprintf(", 1024b"); 732 if (stp->cap.blk32k) kprintf(", 32kb"); 733 kprintf("\n"); 734 } 735 else { 736 device_printf(dev, "TAPE <%.40s/%.8s> at ata%d-%s %s\n", 737 atadev->param.model, atadev->param.revision, 738 device_get_unit(ch->dev), ata_unit2str(atadev), 739 ata_mode2str(atadev->mode)); 740 } 741 } 742 743 static device_method_t ast_methods[] = { 744 /* device interface */ 745 DEVMETHOD(device_probe, ast_probe), 746 DEVMETHOD(device_attach, ast_attach), 747 DEVMETHOD(device_detach, ast_detach), 748 DEVMETHOD(device_shutdown, ast_shutdown), 749 750 /* ATA methods */ 751 DEVMETHOD(ata_reinit, ast_reinit), 752 753 DEVMETHOD_END 754 }; 755 756 static driver_t ast_driver = { 757 "ast", 758 ast_methods, 759 0, 760 }; 761 762 static devclass_t ast_devclass; 763 764 DRIVER_MODULE(ast, ata, ast_driver, ast_devclass, NULL, NULL); 765 MODULE_VERSION(ast, 1); 766 MODULE_DEPEND(ast, ata, 1, 1, 1); 767