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