1 /*- 2 * Copyright (c) 1998 - 2006 S�ren 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 * $DragonFly: src/sys/dev/disk/nata/atapi-tape.c,v 1.2 2006/12/22 23:26:16 swildner Exp $ 28 */ 29 30 #include "opt_ata.h" 31 32 #include <sys/param.h> 33 #include <sys/bio.h> 34 #include <sys/buf.h> 35 #include <sys/bus.h> 36 #include <sys/conf.h> 37 #include <sys/device.h> 38 #include <sys/devicestat.h> 39 #include <sys/disk.h> 40 #include <sys/kernel.h> 41 #include <sys/libkern.h> 42 #include <sys/malloc.h> 43 #include <sys/module.h> 44 #include <sys/mtio.h> 45 #include <sys/nata.h> 46 #include <sys/systm.h> 47 48 #include "ata-all.h" 49 #include "atapi-tape.h" 50 #include "ata_if.h" 51 52 /* device structure */ 53 static d_open_t ast_open; 54 static d_close_t ast_close; 55 static d_ioctl_t ast_ioctl; 56 static d_strategy_t ast_strategy; 57 static struct dev_ops ast_ops = { 58 { "ast", 119, D_TAPE | D_TRACKCLOSE }, 59 .d_open = ast_open, 60 .d_close = ast_close, 61 .d_read = physread, 62 .d_write = physwrite, 63 .d_ioctl = ast_ioctl, 64 .d_strategy = ast_strategy 65 }; 66 67 /* prototypes */ 68 static int ast_sense(device_t); 69 static void ast_describe(device_t); 70 static void ast_done(struct ata_request *); 71 static int ast_mode_sense(device_t, int, void *, int); 72 static int ast_mode_select(device_t, void *, int); 73 static int ast_write_filemark(device_t, u_int8_t); 74 static int ast_read_position(device_t, int, struct ast_readposition *); 75 static int ast_space(device_t, u_int8_t, int32_t); 76 static int ast_locate(device_t, int, u_int32_t); 77 static int ast_prevent_allow(device_t, int); 78 static int ast_load_unload(device_t, u_int8_t); 79 static int ast_rewind(device_t); 80 static int ast_erase(device_t); 81 static int ast_test_ready(device_t); 82 static int ast_wait_dsc(device_t, int); 83 84 /* internal vars */ 85 static u_int64_t ast_total = 0; 86 static MALLOC_DEFINE(M_AST, "ast_driver", "ATAPI tape driver buffers"); 87 88 static int 89 ast_probe(device_t dev) 90 { 91 struct ata_device *atadev = device_get_softc(dev); 92 93 if ((atadev->param.config & ATA_PROTO_ATAPI) && 94 (atadev->param.config & ATA_ATAPI_TYPE_MASK) == ATA_ATAPI_TYPE_TAPE) 95 return 0; 96 else 97 return ENXIO; 98 } 99 100 static int 101 ast_attach(device_t dev) 102 { 103 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 104 struct ata_device *atadev = device_get_softc(dev); 105 struct ast_softc *stp; 106 struct ast_readposition position; 107 cdev_t cdev; 108 109 /* XXX TGEN We're not in interrupt context, so we can M_WAITOK and remove 110 the OOM check. */ 111 if (!(stp = kmalloc(sizeof(struct ast_softc), M_AST, M_NOWAIT | M_ZERO))) { 112 device_printf(dev, "out of memory\n"); 113 return ENOMEM; 114 } 115 device_set_ivars(dev, stp); 116 ATA_SETMODE(device_get_parent(dev), dev); 117 118 if (ast_sense(dev)) { 119 device_set_ivars(dev, NULL); 120 kfree(stp, M_AST); 121 return ENXIO; 122 } 123 if (!strcmp(atadev->param.model, "OnStream DI-30")) { 124 struct ast_transferpage transfer; 125 struct ast_identifypage identify; 126 127 stp->flags |= F_ONSTREAM; 128 bzero(&transfer, sizeof(struct ast_transferpage)); 129 ast_mode_sense(dev, ATAPI_TAPE_TRANSFER_PAGE, 130 &transfer, sizeof(transfer)); 131 bzero(&identify, sizeof(struct ast_identifypage)); 132 ast_mode_sense(dev, ATAPI_TAPE_IDENTIFY_PAGE, 133 &identify, sizeof(identify)); 134 strncpy(identify.ident, "FBSD", 4); 135 ast_mode_select(dev, &identify, sizeof(identify)); 136 ast_read_position(dev, 0, &position); 137 } 138 139 devstat_add_entry(&stp->stats, "ast", device_get_unit(dev), DEV_BSIZE, 140 DEVSTAT_NO_ORDERED_TAGS, 141 DEVSTAT_TYPE_SEQUENTIAL | DEVSTAT_TYPE_IF_IDE, 142 DEVSTAT_PRIORITY_TAPE); 143 dev_ops_add(&ast_ops, dkunitmask(), dkmakeunit(device_get_unit(dev))); 144 cdev = make_dev(&ast_ops, 2 * device_get_unit(dev), UID_ROOT, GID_OPERATOR, 145 0640, "ast%d", device_get_unit(dev)); 146 reference_dev(cdev); 147 cdev->si_drv1 = dev; 148 if (ch->dma) 149 cdev->si_iosize_max = ch->dma->max_iosize; 150 else 151 cdev->si_iosize_max = DFLTPHYS; 152 stp->cdev1 = cdev; 153 cdev = make_dev(&ast_ops, 2 * device_get_unit(dev) + 1, UID_ROOT, 154 GID_OPERATOR, 0640, "nast%d", device_get_unit(dev)); 155 reference_dev(cdev); 156 cdev->si_drv1 = dev; 157 if (ch->dma) 158 cdev->si_iosize_max = ch->dma->max_iosize; 159 else 160 cdev->si_iosize_max = DFLTPHYS; 161 stp->cdev2 = cdev; 162 163 /* announce we are here and ready */ 164 ast_describe(dev); 165 return 0; 166 } 167 168 static int 169 ast_detach(device_t dev) 170 { 171 struct ast_softc *stp = device_get_ivars(dev); 172 173 /* detroy devices from the system so we dont get any further requests */ 174 destroy_dev(stp->cdev1); 175 destroy_dev(stp->cdev2); 176 177 /* fail requests on the queue and any thats "in flight" for this device */ 178 ata_fail_requests(dev); 179 180 /* dont leave anything behind */ 181 dev_ops_remove(&ast_ops, dkunitmask(), dkmakeunit(device_get_unit(dev))); 182 devstat_remove_entry(&stp->stats); 183 device_set_ivars(dev, NULL); 184 kfree(stp, M_AST); 185 return 0; 186 } 187 188 static void 189 ast_shutdown(device_t dev) 190 { 191 struct ata_device *atadev = device_get_softc(dev); 192 193 if (atadev->param.support.command2 & ATA_SUPPORT_FLUSHCACHE) 194 ata_controlcmd(dev, ATA_FLUSHCACHE, 0, 0, 0); 195 } 196 197 static int 198 ast_reinit(device_t dev) 199 { 200 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 201 struct ata_device *atadev = device_get_softc(dev); 202 struct ast_softc *stp = device_get_ivars(dev); 203 204 if (((atadev->unit == ATA_MASTER) && !(ch->devices & ATA_ATAPI_MASTER)) || 205 ((atadev->unit == ATA_SLAVE) && !(ch->devices & ATA_ATAPI_SLAVE))) { 206 device_set_ivars(dev, NULL); 207 kfree(stp, M_AST); 208 return 1; 209 } 210 ATA_SETMODE(device_get_parent(dev), dev); 211 return 0; 212 } 213 214 static int 215 ast_open(struct dev_open_args *ap) 216 { 217 device_t dev = ap->a_head.a_dev->si_drv1; 218 struct ata_device *atadev = device_get_softc(dev); 219 struct ast_softc *stp = device_get_ivars(dev); 220 221 if (!stp) 222 return ENXIO; 223 if (!device_is_attached(dev)) 224 return EBUSY; 225 226 ast_test_ready(dev); 227 if (stp->cap.lock) 228 ast_prevent_allow(dev, 1); 229 if (ast_sense(dev)) 230 device_printf(dev, "sense media type failed\n"); 231 232 atadev->flags &= ~ATA_D_MEDIA_CHANGED; 233 stp->flags &= ~(F_DATA_WRITTEN | F_FM_WRITTEN); 234 ast_total = 0; 235 return 0; 236 } 237 238 static int 239 ast_close(struct dev_close_args *ap) 240 { 241 device_t dev = ap->a_head.a_dev->si_drv1; 242 struct ast_softc *stp = device_get_ivars(dev); 243 cdev_t cdev = ap->a_head.a_dev; 244 245 /* flush buffers, some drives fail here, they should report ctl = 0 */ 246 if (stp->cap.ctl && (stp->flags & F_DATA_WRITTEN)) 247 ast_write_filemark(dev, 0); 248 249 /* write filemark if data written to tape */ 250 if (!(stp->flags & F_ONSTREAM) && 251 (stp->flags & (F_DATA_WRITTEN | F_FM_WRITTEN)) == F_DATA_WRITTEN) 252 ast_write_filemark(dev, ATAPI_WF_WRITE); 253 254 /* if minor is even rewind on close */ 255 if (!(minor(cdev) & 0x01)) 256 ast_rewind(dev); 257 258 if (stp->cap.lock && count_dev(cdev) == 1) 259 ast_prevent_allow(dev, 0); 260 261 stp->flags &= ~F_CTL_WARN; 262 #ifdef AST_DEBUG 263 device_printf(dev, "%llu total bytes transferred\n", 264 (unsigned long long)ast_total); 265 #endif 266 return 0; 267 } 268 269 static int 270 ast_ioctl(struct dev_ioctl_args *ap) 271 { 272 device_t dev = ap->a_head.a_dev->si_drv1; 273 struct ast_softc *stp = device_get_ivars(dev); 274 int error = 0; 275 276 switch (ap->a_cmd) { 277 case MTIOCGET: 278 { 279 struct mtget *g = (struct mtget *)ap->a_data; 280 281 bzero(g, sizeof(struct mtget)); 282 g->mt_type = 7; 283 g->mt_density = 1; 284 g->mt_blksiz = stp->blksize; 285 g->mt_comp = stp->cap.compress; 286 g->mt_density0 = 0; g->mt_density1 = 0; 287 g->mt_density2 = 0; g->mt_density3 = 0; 288 g->mt_blksiz0 = 0; g->mt_blksiz1 = 0; 289 g->mt_blksiz2 = 0; g->mt_blksiz3 = 0; 290 g->mt_comp0 = 0; g->mt_comp1 = 0; 291 g->mt_comp2 = 0; g->mt_comp3 = 0; 292 } 293 break; 294 295 case MTIOCTOP: 296 { 297 int i; 298 struct mtop *mt = (struct mtop *)ap->a_data; 299 300 switch ((int16_t) (mt->mt_op)) { 301 302 case MTWEOF: 303 for (i=0; i < mt->mt_count && !error; i++) 304 error = ast_write_filemark(dev, ATAPI_WF_WRITE); 305 break; 306 307 case MTFSF: 308 if (mt->mt_count) 309 error = ast_space(dev, ATAPI_SP_FM, mt->mt_count); 310 break; 311 312 case MTBSF: 313 if (mt->mt_count) 314 error = ast_space(dev, ATAPI_SP_FM, -(mt->mt_count)); 315 break; 316 317 case MTREW: 318 error = ast_rewind(dev); 319 break; 320 321 case MTOFFL: 322 error = ast_load_unload(dev, ATAPI_SS_EJECT); 323 break; 324 325 case MTNOP: 326 error = ast_write_filemark(dev, 0); 327 break; 328 329 case MTERASE: 330 error = ast_erase(dev); 331 break; 332 333 case MTEOD: 334 error = ast_space(dev, ATAPI_SP_EOD, 0); 335 break; 336 337 case MTRETENS: 338 error = ast_load_unload(dev, ATAPI_SS_RETENSION|ATAPI_SS_LOAD); 339 break; 340 341 case MTFSR: 342 case MTBSR: 343 case MTCACHE: 344 case MTNOCACHE: 345 case MTSETBSIZ: 346 case MTSETDNSTY: 347 case MTCOMP: 348 default: 349 error = EINVAL; 350 } 351 } 352 break; 353 354 case MTIOCRDSPOS: 355 { 356 struct ast_readposition position; 357 358 if ((error = ast_read_position(dev, 0, &position))) 359 break; 360 *(u_int32_t *)ap->a_data = position.tape; 361 } 362 break; 363 364 case MTIOCRDHPOS: 365 { 366 struct ast_readposition position; 367 368 if ((error = ast_read_position(dev, 1, &position))) 369 break; 370 *(u_int32_t *)ap->a_data = position.tape; 371 } 372 break; 373 374 case MTIOCSLOCATE: 375 error = ast_locate(dev, 0, *(u_int32_t *)ap->a_data); 376 break; 377 378 case MTIOCHLOCATE: 379 error = ast_locate(dev, 1, *(u_int32_t *)ap->a_data); 380 break; 381 382 default: 383 error = ata_device_ioctl(dev, ap->a_cmd, ap->a_data); 384 } 385 return error; 386 } 387 388 static int 389 ast_strategy(struct dev_strategy_args *ap) 390 { 391 device_t dev = ap->a_head.a_dev->si_drv1; 392 struct bio *bp = ap->a_bio; 393 struct buf *bbp = bp->bio_buf; 394 struct ata_device *atadev = device_get_softc(dev); 395 struct ast_softc *stp = device_get_ivars(dev); 396 struct ata_request *request; 397 u_int32_t blkcount; 398 int8_t ccb[16]; 399 400 /* if it's a null transfer, return immediatly. */ 401 if (bbp->b_bcount == 0) { 402 bbp->b_resid = 0; 403 biodone(bp); 404 return 0; 405 } 406 if (!(bbp->b_cmd == BUF_CMD_READ) && stp->flags & F_WRITEPROTECT) { 407 bbp->b_flags |= B_ERROR; 408 bbp->b_error = EPERM; 409 biodone(bp); 410 return 0; 411 } 412 413 /* check for != blocksize requests */ 414 if (bbp->b_bcount % stp->blksize) { 415 device_printf(dev, "transfers must be multiple of %d\n", stp->blksize); 416 bbp->b_flags |= B_ERROR; 417 bbp->b_error = EIO; 418 biodone(bp); 419 return 0; 420 } 421 422 /* warn about transfers bigger than the device suggests */ 423 if (bbp->b_bcount > stp->blksize * stp->cap.ctl) { 424 if ((stp->flags & F_CTL_WARN) == 0) { 425 device_printf(dev, "WARNING: CTL exceeded %d>%d\n", 426 bbp->b_bcount, stp->blksize * stp->cap.ctl); 427 stp->flags |= F_CTL_WARN; 428 } 429 } 430 431 bzero(ccb, sizeof(ccb)); 432 433 if (bbp->b_cmd == BUF_CMD_READ) 434 ccb[0] = ATAPI_READ; 435 else 436 ccb[0] = ATAPI_WRITE; 437 438 blkcount = bbp->b_bcount / stp->blksize; 439 440 ccb[1] = 1; 441 ccb[2] = blkcount >> 16; 442 ccb[3] = blkcount >> 8; 443 ccb[4] = blkcount; 444 445 if (!(request = ata_alloc_request())) { 446 bbp->b_flags |= B_ERROR; 447 bbp->b_error = ENOMEM; 448 biodone(bp); 449 return 0; 450 } 451 request->dev = dev; 452 request->bio = bp; 453 bcopy(ccb, request->u.atapi.ccb, 454 (atadev->param.config & ATA_PROTO_MASK) == 455 ATA_PROTO_ATAPI_12 ? 16 : 12); 456 request->data = bbp->b_data; 457 request->bytecount = blkcount * stp->blksize; 458 request->transfersize = min(request->bytecount, 65534); 459 request->timeout = (ccb[0] == ATAPI_WRITE_BIG) ? 180 : 120; 460 request->retries = 2; 461 request->callback = ast_done; 462 switch (bbp->b_cmd) { 463 case BUF_CMD_READ: 464 request->flags |= (ATA_R_ATAPI | ATA_R_READ); 465 break; 466 case BUF_CMD_WRITE: 467 request->flags |= (ATA_R_ATAPI | ATA_R_WRITE); 468 break; 469 default: 470 device_printf(dev, "unknown BUF operation\n"); 471 ata_free_request(request); 472 bbp->b_flags |= B_ERROR; 473 bbp->b_error = EIO; 474 biodone(bp); 475 return 0; 476 } 477 devstat_start_transaction(&stp->stats); 478 ata_queue_request(request); 479 return 0; 480 } 481 482 static void 483 ast_done(struct ata_request *request) 484 { 485 struct ast_softc *stp = device_get_ivars(request->dev); 486 struct bio *bp = request->bio; 487 struct buf *bbp = bp->bio_buf; 488 489 /* finish up transfer */ 490 if ((bbp->b_error = request->result)) 491 bbp->b_flags |= B_ERROR; 492 if (bbp->b_cmd == BUF_CMD_WRITE) 493 stp->flags |= F_DATA_WRITTEN; 494 bbp->b_resid = bbp->b_bcount - request->donecount; 495 ast_total += (bbp->b_bcount - bbp->b_resid); 496 devstat_end_transaction_buf(&stp->stats, bbp); 497 biodone(bp); 498 ata_free_request(request); 499 } 500 501 static int 502 ast_sense(device_t dev) 503 { 504 struct ast_softc *stp = device_get_ivars(dev); 505 int count; 506 507 /* get drive capabilities, some bugridden drives needs this repeated */ 508 for (count = 0 ; count < 5 ; count++) { 509 if (!ast_mode_sense(dev, ATAPI_TAPE_CAP_PAGE, 510 &stp->cap, sizeof(stp->cap)) && 511 stp->cap.page_code == ATAPI_TAPE_CAP_PAGE) { 512 if (stp->cap.blk32k) 513 stp->blksize = 32768; 514 if (stp->cap.blk1024) 515 stp->blksize = 1024; 516 if (stp->cap.blk512) 517 stp->blksize = 512; 518 if (!stp->blksize) 519 continue; 520 stp->cap.max_speed = ntohs(stp->cap.max_speed); 521 stp->cap.max_defects = ntohs(stp->cap.max_defects); 522 stp->cap.ctl = ntohs(stp->cap.ctl); 523 stp->cap.speed = ntohs(stp->cap.speed); 524 stp->cap.buffer_size = ntohs(stp->cap.buffer_size); 525 return 0; 526 } 527 } 528 return 1; 529 } 530 531 static int 532 ast_mode_sense(device_t dev, int page, void *pagebuf, int pagesize) 533 { 534 int8_t ccb[16] = { ATAPI_MODE_SENSE, 0x08, page, pagesize>>8, pagesize, 535 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 536 int error; 537 538 error = ata_atapicmd(dev, ccb, pagebuf, pagesize, ATA_R_READ, 10); 539 return error; 540 } 541 542 static int 543 ast_mode_select(device_t dev, void *pagebuf, int pagesize) 544 { 545 int8_t ccb[16] = { ATAPI_MODE_SELECT, 0x10, 0, pagesize>>8, pagesize, 546 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 547 548 return ata_atapicmd(dev, ccb, pagebuf, pagesize, 0, 10); 549 } 550 551 static int 552 ast_write_filemark(device_t dev, u_int8_t function) 553 { 554 struct ast_softc *stp = device_get_ivars(dev); 555 int8_t ccb[16] = { ATAPI_WEOF, 0x01, 0, 0, function, 0, 0, 0, 556 0, 0, 0, 0, 0, 0, 0, 0 }; 557 int error; 558 559 if (stp->flags & F_ONSTREAM) 560 ccb[4] = 0x00; /* only flush buffers supported */ 561 else { 562 if (function) { 563 if (stp->flags & F_FM_WRITTEN) 564 stp->flags &= ~F_DATA_WRITTEN; 565 else 566 stp->flags |= F_FM_WRITTEN; 567 } 568 } 569 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10); 570 if (error) 571 return error; 572 return ast_wait_dsc(dev, 10*60); 573 } 574 575 static int 576 ast_read_position(device_t dev, int hard, struct ast_readposition *position) 577 { 578 int8_t ccb[16] = { ATAPI_READ_POSITION, (hard ? 0x01 : 0), 0, 0, 0, 0, 0, 0, 579 0, 0, 0, 0, 0, 0, 0, 0 }; 580 int error; 581 582 error = ata_atapicmd(dev, ccb, (caddr_t)position, 583 sizeof(struct ast_readposition), ATA_R_READ, 10); 584 position->tape = ntohl(position->tape); 585 position->host = ntohl(position->host); 586 return error; 587 } 588 589 static int 590 ast_space(device_t dev, u_int8_t function, int32_t count) 591 { 592 int8_t ccb[16] = { ATAPI_SPACE, function, count>>16, count>>8, count, 593 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 594 595 return ata_atapicmd(dev, ccb, NULL, 0, 0, 60*60); 596 } 597 598 static int 599 ast_locate(device_t dev, int hard, u_int32_t pos) 600 { 601 int8_t ccb[16] = { ATAPI_LOCATE, 0x01 | (hard ? 0x4 : 0), 0, 602 pos>>24, pos>>16, pos>>8, pos, 603 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 604 int error; 605 606 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10); 607 if (error) 608 return error; 609 return ast_wait_dsc(dev, 60*60); 610 } 611 612 static int 613 ast_prevent_allow(device_t dev, int lock) 614 { 615 int8_t ccb[16] = { ATAPI_PREVENT_ALLOW, 0, 0, 0, lock, 616 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 617 618 return ata_atapicmd(dev, ccb, NULL, 0, 0, 30); 619 } 620 621 static int 622 ast_load_unload(device_t dev, u_int8_t function) 623 { 624 struct ast_softc *stp = device_get_ivars(dev); 625 int8_t ccb[16] = { ATAPI_START_STOP, 0x01, 0, 0, function, 0, 0, 0, 626 0, 0, 0, 0, 0, 0, 0, 0 }; 627 int error; 628 629 if ((function & ATAPI_SS_EJECT) && !stp->cap.eject) 630 return 0; 631 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10); 632 if (error) 633 return error; 634 tsleep((caddr_t)&error, 0, "astlu", 1 * hz); 635 if (function == ATAPI_SS_EJECT) 636 return 0; 637 return ast_wait_dsc(dev, 60*60); 638 } 639 640 static int 641 ast_rewind(device_t dev) 642 { 643 int8_t ccb[16] = { ATAPI_REZERO, 0x01, 0, 0, 0, 0, 0, 0, 644 0, 0, 0, 0, 0, 0, 0, 0 }; 645 int error; 646 647 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10); 648 if (error) 649 return error; 650 return ast_wait_dsc(dev, 60*60); 651 } 652 653 static int 654 ast_erase(device_t dev) 655 { 656 int8_t ccb[16] = { ATAPI_ERASE, 3, 0, 0, 0, 0, 0, 0, 657 0, 0, 0, 0, 0, 0, 0, 0 }; 658 int error; 659 660 if ((error = ast_rewind(dev))) 661 return error; 662 663 return ata_atapicmd(dev, ccb, NULL, 0, 0, 60*60); 664 } 665 666 static int 667 ast_test_ready(device_t dev) 668 { 669 int8_t ccb[16] = { ATAPI_TEST_UNIT_READY, 0, 0, 0, 0, 670 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 671 672 return ata_atapicmd(dev, ccb, NULL, 0, 0, 30); 673 } 674 675 static int 676 ast_wait_dsc(device_t dev, int timeout) 677 { 678 int error = 0; 679 int8_t ccb[16] = { ATAPI_POLL_DSC, 0, 0, 0, 0, 680 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 681 682 timeout *= hz; 683 while (timeout > 0) { 684 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 0); 685 if (error != EBUSY) 686 break; 687 tsleep(&error, 0, "atpwt", hz / 2); 688 timeout -= (hz / 2); 689 } 690 return error; 691 } 692 693 static void 694 ast_describe(device_t dev) 695 { 696 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 697 struct ata_device *atadev = device_get_softc(dev); 698 struct ast_softc *stp = device_get_ivars(dev); 699 700 if (bootverbose) { 701 device_printf(dev, "<%.40s/%.8s> tape drive at ata%d as %s\n", 702 atadev->param.model, atadev->param.revision, 703 device_get_unit(ch->dev), 704 (atadev->unit == ATA_MASTER) ? "master" : "slave"); 705 device_printf(dev, "%dKB/s, ", stp->cap.max_speed); 706 kprintf("transfer limit %d blk%s, ", 707 stp->cap.ctl, (stp->cap.ctl > 1) ? "s" : ""); 708 kprintf("%dKB buffer, ", (stp->cap.buffer_size * DEV_BSIZE) / 1024); 709 kprintf("%s\n", ata_mode2str(atadev->mode)); 710 device_printf(dev, "Medium: "); 711 switch (stp->cap.medium_type) { 712 case 0x00: 713 kprintf("none"); break; 714 case 0x17: 715 kprintf("Travan 1 (400 Mbyte)"); break; 716 case 0xb6: 717 kprintf("Travan 4 (4 Gbyte)"); break; 718 case 0xda: 719 kprintf("OnStream ADR (15Gyte)"); break; 720 default: 721 kprintf("unknown (0x%x)", stp->cap.medium_type); 722 } 723 if (stp->cap.readonly) kprintf(", readonly"); 724 if (stp->cap.reverse) kprintf(", reverse"); 725 if (stp->cap.eformat) kprintf(", eformat"); 726 if (stp->cap.qfa) kprintf(", qfa"); 727 if (stp->cap.lock) kprintf(", lock"); 728 if (stp->cap.locked) kprintf(", locked"); 729 if (stp->cap.prevent) kprintf(", prevent"); 730 if (stp->cap.eject) kprintf(", eject"); 731 if (stp->cap.disconnect) kprintf(", disconnect"); 732 if (stp->cap.ecc) kprintf(", ecc"); 733 if (stp->cap.compress) kprintf(", compress"); 734 if (stp->cap.blk512) kprintf(", 512b"); 735 if (stp->cap.blk1024) kprintf(", 1024b"); 736 if (stp->cap.blk32k) kprintf(", 32kb"); 737 kprintf("\n"); 738 } 739 else { 740 device_printf(dev, "TAPE <%.40s/%.8s> at ata%d-%s %s\n", 741 atadev->param.model, atadev->param.revision, 742 device_get_unit(ch->dev), 743 (atadev->unit == ATA_MASTER) ? "master" : "slave", 744 ata_mode2str(atadev->mode)); 745 } 746 } 747 748 static device_method_t ast_methods[] = { 749 /* device interface */ 750 DEVMETHOD(device_probe, ast_probe), 751 DEVMETHOD(device_attach, ast_attach), 752 DEVMETHOD(device_detach, ast_detach), 753 DEVMETHOD(device_shutdown, ast_shutdown), 754 755 /* ATA methods */ 756 DEVMETHOD(ata_reinit, ast_reinit), 757 758 { 0, 0 } 759 }; 760 761 static driver_t ast_driver = { 762 "ast", 763 ast_methods, 764 0, 765 }; 766 767 static devclass_t ast_devclass; 768 769 DRIVER_MODULE(ast, ata, ast_driver, ast_devclass, NULL, NULL); 770 MODULE_VERSION(ast, 1); 771 MODULE_DEPEND(ast, ata, 1, 1, 1); 772