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 1.4 2008/08/30 02:56:11 dillon 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 stp = kmalloc(sizeof(struct ast_softc), M_AST, M_WAITOK | M_ZERO); 110 device_set_ivars(dev, stp); 111 ATA_SETMODE(device_get_parent(dev), dev); 112 113 if (ast_sense(dev)) { 114 device_set_ivars(dev, NULL); 115 kfree(stp, M_AST); 116 return ENXIO; 117 } 118 if (!strcmp(atadev->param.model, "OnStream DI-30")) { 119 struct ast_transferpage transfer; 120 struct ast_identifypage identify; 121 122 stp->flags |= F_ONSTREAM; 123 bzero(&transfer, sizeof(struct ast_transferpage)); 124 ast_mode_sense(dev, ATAPI_TAPE_TRANSFER_PAGE, 125 &transfer, sizeof(transfer)); 126 bzero(&identify, sizeof(struct ast_identifypage)); 127 ast_mode_sense(dev, ATAPI_TAPE_IDENTIFY_PAGE, 128 &identify, sizeof(identify)); 129 strncpy(identify.ident, "FBSD", 4); 130 ast_mode_select(dev, &identify, sizeof(identify)); 131 ast_read_position(dev, 0, &position); 132 } 133 134 devstat_add_entry(&stp->stats, "ast", device_get_unit(dev), DEV_BSIZE, 135 DEVSTAT_NO_ORDERED_TAGS, 136 DEVSTAT_TYPE_SEQUENTIAL | DEVSTAT_TYPE_IF_IDE, 137 DEVSTAT_PRIORITY_TAPE); 138 cdev = make_dev(&ast_ops, 2 * device_get_unit(dev), UID_ROOT, GID_OPERATOR, 139 0640, "ast%d", device_get_unit(dev)); 140 reference_dev(cdev); 141 cdev->si_drv1 = dev; 142 if (ch->dma) 143 cdev->si_iosize_max = ch->dma->max_iosize; 144 else 145 cdev->si_iosize_max = DFLTPHYS; 146 stp->cdev1 = cdev; 147 cdev = make_dev(&ast_ops, 2 * device_get_unit(dev) + 1, UID_ROOT, 148 GID_OPERATOR, 0640, "nast%d", device_get_unit(dev)); 149 reference_dev(cdev); 150 cdev->si_drv1 = dev; 151 if (ch->dma) 152 cdev->si_iosize_max = ch->dma->max_iosize; 153 else 154 cdev->si_iosize_max = DFLTPHYS; 155 stp->cdev2 = cdev; 156 157 /* announce we are here and ready */ 158 ast_describe(dev); 159 return 0; 160 } 161 162 static int 163 ast_detach(device_t dev) 164 { 165 struct ast_softc *stp = device_get_ivars(dev); 166 167 /* detroy devices from the system so we dont get any further requests */ 168 destroy_dev(stp->cdev1); 169 destroy_dev(stp->cdev2); 170 171 /* fail requests on the queue and any thats "in flight" for this device */ 172 ata_fail_requests(dev); 173 174 /* dont leave anything behind */ 175 dev_ops_remove_minor(&ast_ops, /*dkunitmask(), */dkmakeunit(device_get_unit(dev))); 176 devstat_remove_entry(&stp->stats); 177 device_set_ivars(dev, NULL); 178 kfree(stp, M_AST); 179 return 0; 180 } 181 182 static void 183 ast_shutdown(device_t dev) 184 { 185 struct ata_device *atadev = device_get_softc(dev); 186 187 if (atadev->param.support.command2 & ATA_SUPPORT_FLUSHCACHE) 188 ata_controlcmd(dev, ATA_FLUSHCACHE, 0, 0, 0); 189 } 190 191 static int 192 ast_reinit(device_t dev) 193 { 194 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 195 struct ata_device *atadev = device_get_softc(dev); 196 struct ast_softc *stp = device_get_ivars(dev); 197 198 if (((atadev->unit == ATA_MASTER) && !(ch->devices & ATA_ATAPI_MASTER)) || 199 ((atadev->unit == ATA_SLAVE) && !(ch->devices & ATA_ATAPI_SLAVE))) { 200 device_set_ivars(dev, NULL); 201 kfree(stp, M_AST); 202 return 1; 203 } 204 ATA_SETMODE(device_get_parent(dev), dev); 205 return 0; 206 } 207 208 static int 209 ast_open(struct dev_open_args *ap) 210 { 211 device_t dev = ap->a_head.a_dev->si_drv1; 212 struct ata_device *atadev = device_get_softc(dev); 213 struct ast_softc *stp = device_get_ivars(dev); 214 215 if (!stp) 216 return ENXIO; 217 if (!device_is_attached(dev)) 218 return EBUSY; 219 220 ast_test_ready(dev); 221 if (stp->cap.lock) 222 ast_prevent_allow(dev, 1); 223 if (ast_sense(dev)) 224 device_printf(dev, "sense media type failed\n"); 225 226 atadev->flags &= ~ATA_D_MEDIA_CHANGED; 227 stp->flags &= ~(F_DATA_WRITTEN | F_FM_WRITTEN); 228 ast_total = 0; 229 return 0; 230 } 231 232 static int 233 ast_close(struct dev_close_args *ap) 234 { 235 device_t dev = ap->a_head.a_dev->si_drv1; 236 struct ast_softc *stp = device_get_ivars(dev); 237 cdev_t cdev = ap->a_head.a_dev; 238 239 /* flush buffers, some drives fail here, they should report ctl = 0 */ 240 if (stp->cap.ctl && (stp->flags & F_DATA_WRITTEN)) 241 ast_write_filemark(dev, 0); 242 243 /* write filemark if data written to tape */ 244 if (!(stp->flags & F_ONSTREAM) && 245 (stp->flags & (F_DATA_WRITTEN | F_FM_WRITTEN)) == F_DATA_WRITTEN) 246 ast_write_filemark(dev, ATAPI_WF_WRITE); 247 248 /* if minor is even rewind on close */ 249 if (!(minor(cdev) & 0x01)) 250 ast_rewind(dev); 251 252 if (stp->cap.lock && count_dev(cdev) == 1) 253 ast_prevent_allow(dev, 0); 254 255 stp->flags &= ~F_CTL_WARN; 256 #ifdef AST_DEBUG 257 device_printf(dev, "%llu total bytes transferred\n", 258 (unsigned long long)ast_total); 259 #endif 260 return 0; 261 } 262 263 static int 264 ast_ioctl(struct dev_ioctl_args *ap) 265 { 266 device_t dev = ap->a_head.a_dev->si_drv1; 267 struct ast_softc *stp = device_get_ivars(dev); 268 int error = 0; 269 270 switch (ap->a_cmd) { 271 case MTIOCGET: 272 { 273 struct mtget *g = (struct mtget *)ap->a_data; 274 275 bzero(g, sizeof(struct mtget)); 276 g->mt_type = 7; 277 g->mt_density = 1; 278 g->mt_blksiz = stp->blksize; 279 g->mt_comp = stp->cap.compress; 280 g->mt_density0 = 0; g->mt_density1 = 0; 281 g->mt_density2 = 0; g->mt_density3 = 0; 282 g->mt_blksiz0 = 0; g->mt_blksiz1 = 0; 283 g->mt_blksiz2 = 0; g->mt_blksiz3 = 0; 284 g->mt_comp0 = 0; g->mt_comp1 = 0; 285 g->mt_comp2 = 0; g->mt_comp3 = 0; 286 } 287 break; 288 289 case MTIOCTOP: 290 { 291 int i; 292 struct mtop *mt = (struct mtop *)ap->a_data; 293 294 switch ((int16_t) (mt->mt_op)) { 295 296 case MTWEOF: 297 for (i=0; i < mt->mt_count && !error; i++) 298 error = ast_write_filemark(dev, ATAPI_WF_WRITE); 299 break; 300 301 case MTFSF: 302 if (mt->mt_count) 303 error = ast_space(dev, ATAPI_SP_FM, mt->mt_count); 304 break; 305 306 case MTBSF: 307 if (mt->mt_count) 308 error = ast_space(dev, ATAPI_SP_FM, -(mt->mt_count)); 309 break; 310 311 case MTREW: 312 error = ast_rewind(dev); 313 break; 314 315 case MTOFFL: 316 error = ast_load_unload(dev, ATAPI_SS_EJECT); 317 break; 318 319 case MTNOP: 320 error = ast_write_filemark(dev, 0); 321 break; 322 323 case MTERASE: 324 error = ast_erase(dev); 325 break; 326 327 case MTEOD: 328 error = ast_space(dev, ATAPI_SP_EOD, 0); 329 break; 330 331 case MTRETENS: 332 error = ast_load_unload(dev, ATAPI_SS_RETENSION|ATAPI_SS_LOAD); 333 break; 334 335 case MTFSR: 336 case MTBSR: 337 case MTCACHE: 338 case MTNOCACHE: 339 case MTSETBSIZ: 340 case MTSETDNSTY: 341 case MTCOMP: 342 default: 343 error = EINVAL; 344 } 345 } 346 break; 347 348 case MTIOCRDSPOS: 349 { 350 struct ast_readposition position; 351 352 if ((error = ast_read_position(dev, 0, &position))) 353 break; 354 *(u_int32_t *)ap->a_data = position.tape; 355 } 356 break; 357 358 case MTIOCRDHPOS: 359 { 360 struct ast_readposition position; 361 362 if ((error = ast_read_position(dev, 1, &position))) 363 break; 364 *(u_int32_t *)ap->a_data = position.tape; 365 } 366 break; 367 368 case MTIOCSLOCATE: 369 error = ast_locate(dev, 0, *(u_int32_t *)ap->a_data); 370 break; 371 372 case MTIOCHLOCATE: 373 error = ast_locate(dev, 1, *(u_int32_t *)ap->a_data); 374 break; 375 376 default: 377 error = ata_device_ioctl(dev, ap->a_cmd, ap->a_data); 378 } 379 return error; 380 } 381 382 static int 383 ast_strategy(struct dev_strategy_args *ap) 384 { 385 device_t dev = ap->a_head.a_dev->si_drv1; 386 struct bio *bp = ap->a_bio; 387 struct buf *bbp = bp->bio_buf; 388 struct ata_device *atadev = device_get_softc(dev); 389 struct ast_softc *stp = device_get_ivars(dev); 390 struct ata_request *request; 391 u_int32_t blkcount; 392 int8_t ccb[16]; 393 394 /* if it's a null transfer, return immediatly. */ 395 if (bbp->b_bcount == 0) { 396 bbp->b_resid = 0; 397 biodone(bp); 398 return 0; 399 } 400 if (!(bbp->b_cmd == BUF_CMD_READ) && (stp->flags & F_WRITEPROTECT)) { 401 bbp->b_flags |= B_ERROR; 402 bbp->b_error = EPERM; 403 biodone(bp); 404 return 0; 405 } 406 if (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE) { 407 bbp->b_flags |= B_ERROR; 408 bbp->b_error = EIO; 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; 462 463 switch (bbp->b_cmd) { 464 case BUF_CMD_READ: 465 request->flags |= (ATA_R_ATAPI | ATA_R_READ); 466 break; 467 case BUF_CMD_WRITE: 468 request->flags |= (ATA_R_ATAPI | ATA_R_WRITE); 469 break; 470 default: 471 panic("bbp->b_cmd"); 472 } 473 devstat_start_transaction(&stp->stats); 474 ata_queue_request(request); 475 return 0; 476 } 477 478 static void 479 ast_done(struct ata_request *request) 480 { 481 struct ast_softc *stp = device_get_ivars(request->dev); 482 struct bio *bp = request->bio; 483 struct buf *bbp = bp->bio_buf; 484 485 /* finish up transfer */ 486 if ((bbp->b_error = request->result)) 487 bbp->b_flags |= B_ERROR; 488 if (bbp->b_cmd == BUF_CMD_WRITE) 489 stp->flags |= F_DATA_WRITTEN; 490 bbp->b_resid = bbp->b_bcount - request->donecount; 491 ast_total += (bbp->b_bcount - bbp->b_resid); 492 devstat_end_transaction_buf(&stp->stats, bbp); 493 biodone(bp); 494 ata_free_request(request); 495 } 496 497 static int 498 ast_sense(device_t dev) 499 { 500 struct ast_softc *stp = device_get_ivars(dev); 501 int count; 502 503 /* get drive capabilities, some bugridden drives needs this repeated */ 504 for (count = 0 ; count < 5 ; count++) { 505 if (!ast_mode_sense(dev, ATAPI_TAPE_CAP_PAGE, 506 &stp->cap, sizeof(stp->cap)) && 507 stp->cap.page_code == ATAPI_TAPE_CAP_PAGE) { 508 if (stp->cap.blk32k) 509 stp->blksize = 32768; 510 if (stp->cap.blk1024) 511 stp->blksize = 1024; 512 if (stp->cap.blk512) 513 stp->blksize = 512; 514 if (!stp->blksize) 515 continue; 516 stp->cap.max_speed = ntohs(stp->cap.max_speed); 517 stp->cap.max_defects = ntohs(stp->cap.max_defects); 518 stp->cap.ctl = ntohs(stp->cap.ctl); 519 stp->cap.speed = ntohs(stp->cap.speed); 520 stp->cap.buffer_size = ntohs(stp->cap.buffer_size); 521 return 0; 522 } 523 } 524 return 1; 525 } 526 527 static int 528 ast_mode_sense(device_t dev, int page, void *pagebuf, int pagesize) 529 { 530 int8_t ccb[16] = { ATAPI_MODE_SENSE, 0x08, page, pagesize>>8, pagesize, 531 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 532 int error; 533 534 error = ata_atapicmd(dev, ccb, pagebuf, pagesize, ATA_R_READ, 10); 535 return error; 536 } 537 538 static int 539 ast_mode_select(device_t dev, void *pagebuf, int pagesize) 540 { 541 int8_t ccb[16] = { ATAPI_MODE_SELECT, 0x10, 0, pagesize>>8, pagesize, 542 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 543 544 return ata_atapicmd(dev, ccb, pagebuf, pagesize, 0, 10); 545 } 546 547 static int 548 ast_write_filemark(device_t dev, u_int8_t function) 549 { 550 struct ast_softc *stp = device_get_ivars(dev); 551 int8_t ccb[16] = { ATAPI_WEOF, 0x01, 0, 0, function, 0, 0, 0, 552 0, 0, 0, 0, 0, 0, 0, 0 }; 553 int error; 554 555 if (stp->flags & F_ONSTREAM) 556 ccb[4] = 0x00; /* only flush buffers supported */ 557 else { 558 if (function) { 559 if (stp->flags & F_FM_WRITTEN) 560 stp->flags &= ~F_DATA_WRITTEN; 561 else 562 stp->flags |= F_FM_WRITTEN; 563 } 564 } 565 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10); 566 if (error) 567 return error; 568 return ast_wait_dsc(dev, 10*60); 569 } 570 571 static int 572 ast_read_position(device_t dev, int hard, struct ast_readposition *position) 573 { 574 int8_t ccb[16] = { ATAPI_READ_POSITION, (hard ? 0x01 : 0), 0, 0, 0, 0, 0, 0, 575 0, 0, 0, 0, 0, 0, 0, 0 }; 576 int error; 577 578 error = ata_atapicmd(dev, ccb, (caddr_t)position, 579 sizeof(struct ast_readposition), ATA_R_READ, 10); 580 position->tape = ntohl(position->tape); 581 position->host = ntohl(position->host); 582 return error; 583 } 584 585 static int 586 ast_space(device_t dev, u_int8_t function, int32_t count) 587 { 588 int8_t ccb[16] = { ATAPI_SPACE, function, count>>16, count>>8, count, 589 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 590 591 return ata_atapicmd(dev, ccb, NULL, 0, 0, 60*60); 592 } 593 594 static int 595 ast_locate(device_t dev, int hard, u_int32_t pos) 596 { 597 int8_t ccb[16] = { ATAPI_LOCATE, 0x01 | (hard ? 0x4 : 0), 0, 598 pos>>24, pos>>16, pos>>8, pos, 599 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 600 int error; 601 602 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10); 603 if (error) 604 return error; 605 return ast_wait_dsc(dev, 60*60); 606 } 607 608 static int 609 ast_prevent_allow(device_t dev, int lock) 610 { 611 int8_t ccb[16] = { ATAPI_PREVENT_ALLOW, 0, 0, 0, lock, 612 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 613 614 return ata_atapicmd(dev, ccb, NULL, 0, 0, 30); 615 } 616 617 static int 618 ast_load_unload(device_t dev, u_int8_t function) 619 { 620 struct ast_softc *stp = device_get_ivars(dev); 621 int8_t ccb[16] = { ATAPI_START_STOP, 0x01, 0, 0, function, 0, 0, 0, 622 0, 0, 0, 0, 0, 0, 0, 0 }; 623 int error; 624 625 if ((function & ATAPI_SS_EJECT) && !stp->cap.eject) 626 return 0; 627 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10); 628 if (error) 629 return error; 630 tsleep((caddr_t)&error, 0, "astlu", 1 * hz); 631 if (function == ATAPI_SS_EJECT) 632 return 0; 633 return ast_wait_dsc(dev, 60*60); 634 } 635 636 static int 637 ast_rewind(device_t dev) 638 { 639 int8_t ccb[16] = { ATAPI_REZERO, 0x01, 0, 0, 0, 0, 0, 0, 640 0, 0, 0, 0, 0, 0, 0, 0 }; 641 int error; 642 643 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10); 644 if (error) 645 return error; 646 return ast_wait_dsc(dev, 60*60); 647 } 648 649 static int 650 ast_erase(device_t dev) 651 { 652 int8_t ccb[16] = { ATAPI_ERASE, 3, 0, 0, 0, 0, 0, 0, 653 0, 0, 0, 0, 0, 0, 0, 0 }; 654 int error; 655 656 if ((error = ast_rewind(dev))) 657 return error; 658 659 return ata_atapicmd(dev, ccb, NULL, 0, 0, 60*60); 660 } 661 662 static int 663 ast_test_ready(device_t dev) 664 { 665 int8_t ccb[16] = { ATAPI_TEST_UNIT_READY, 0, 0, 0, 0, 666 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 667 668 return ata_atapicmd(dev, ccb, NULL, 0, 0, 30); 669 } 670 671 static int 672 ast_wait_dsc(device_t dev, int timeout) 673 { 674 int error = 0; 675 int8_t ccb[16] = { ATAPI_POLL_DSC, 0, 0, 0, 0, 676 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 677 678 timeout *= hz; 679 while (timeout > 0) { 680 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 0); 681 if (error != EBUSY) 682 break; 683 tsleep(&error, 0, "atpwt", hz / 2); 684 timeout -= (hz / 2); 685 } 686 return error; 687 } 688 689 static void 690 ast_describe(device_t dev) 691 { 692 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 693 struct ata_device *atadev = device_get_softc(dev); 694 struct ast_softc *stp = device_get_ivars(dev); 695 696 if (bootverbose) { 697 device_printf(dev, "<%.40s/%.8s> tape drive at ata%d as %s\n", 698 atadev->param.model, atadev->param.revision, 699 device_get_unit(ch->dev), 700 (atadev->unit == ATA_MASTER) ? "master" : "slave"); 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), 739 (atadev->unit == ATA_MASTER) ? "master" : "slave", 740 ata_mode2str(atadev->mode)); 741 } 742 } 743 744 static device_method_t ast_methods[] = { 745 /* device interface */ 746 DEVMETHOD(device_probe, ast_probe), 747 DEVMETHOD(device_attach, ast_attach), 748 DEVMETHOD(device_detach, ast_detach), 749 DEVMETHOD(device_shutdown, ast_shutdown), 750 751 /* ATA methods */ 752 DEVMETHOD(ata_reinit, ast_reinit), 753 754 { 0, 0 } 755 }; 756 757 static driver_t ast_driver = { 758 "ast", 759 ast_methods, 760 0, 761 }; 762 763 static devclass_t ast_devclass; 764 765 DRIVER_MODULE(ast, ata, ast_driver, ast_devclass, NULL, NULL); 766 MODULE_VERSION(ast, 1); 767 MODULE_DEPEND(ast, ata, 1, 1, 1); 768