1 /*-
2 * Copyright (c) 1998 - 2007 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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include "opt_ata.h"
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/ata.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
36 #include <sys/malloc.h>
37 #include <sys/conf.h>
38 #include <sys/bio.h>
39 #include <sys/bus.h>
40 #include <sys/mtio.h>
41 #include <sys/devicestat.h>
42 #include <sys/sema.h>
43 #include <sys/taskqueue.h>
44 #include <vm/uma.h>
45 #include <machine/bus.h>
46 #include <dev/ata/ata-all.h>
47 #include <dev/ata/atapi-tape.h>
48 #include <ata_if.h>
49
50 /* device structure */
51 static d_open_t ast_open;
52 static d_close_t ast_close;
53 static d_ioctl_t ast_ioctl;
54 static d_strategy_t ast_strategy;
55 static struct cdevsw ast_cdevsw = {
56 .d_version = D_VERSION,
57 .d_open = ast_open,
58 .d_close = ast_close,
59 .d_read = physread,
60 .d_write = physwrite,
61 .d_ioctl = ast_ioctl,
62 .d_strategy = ast_strategy,
63 .d_name = "ast",
64 .d_flags = D_TAPE | D_TRACKCLOSE,
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 struct cdev *device;
108
109 if (!(stp = malloc(sizeof(struct ast_softc), M_AST, M_NOWAIT | M_ZERO))) {
110 device_printf(dev, "out of memory\n");
111 return ENOMEM;
112 }
113 device_set_ivars(dev, stp);
114 ATA_SETMODE(device_get_parent(dev), dev);
115
116 if (ast_sense(dev)) {
117 device_set_ivars(dev, NULL);
118 free(stp, M_AST);
119 return ENXIO;
120 }
121 if (!strcmp(atadev->param.model, "OnStream DI-30")) {
122 struct ast_transferpage transfer;
123 struct ast_identifypage identify;
124
125 stp->flags |= F_ONSTREAM;
126 bzero(&transfer, sizeof(struct ast_transferpage));
127 ast_mode_sense(dev, ATAPI_TAPE_TRANSFER_PAGE,
128 &transfer, sizeof(transfer));
129 bzero(&identify, sizeof(struct ast_identifypage));
130 ast_mode_sense(dev, ATAPI_TAPE_IDENTIFY_PAGE,
131 &identify, sizeof(identify));
132 strncpy(identify.ident, "FBSD", 4);
133 ast_mode_select(dev, &identify, sizeof(identify));
134 ast_read_position(dev, 0, &position);
135 }
136
137 stp->stats = devstat_new_entry("ast", device_get_unit(dev), DEV_BSIZE,
138 DEVSTAT_NO_ORDERED_TAGS,
139 DEVSTAT_TYPE_SEQUENTIAL | DEVSTAT_TYPE_IF_IDE,
140 DEVSTAT_PRIORITY_TAPE);
141 device = make_dev(&ast_cdevsw, 2 * device_get_unit(dev),
142 UID_ROOT, GID_OPERATOR, 0640, "ast%d",
143 device_get_unit(dev));
144 device->si_drv1 = dev;
145 if (ch->dma)
146 device->si_iosize_max = ch->dma->max_iosize;
147 else
148 device->si_iosize_max = DFLTPHYS;
149 stp->dev1 = device;
150 device = make_dev(&ast_cdevsw, 2 * device_get_unit(dev) + 1,
151 UID_ROOT, GID_OPERATOR, 0640, "nast%d",
152 device_get_unit(dev));
153 device->si_drv1 = dev;
154 if (ch->dma)
155 device->si_iosize_max = ch->dma->max_iosize;
156 else
157 device->si_iosize_max = DFLTPHYS;
158 stp->dev2 = device;
159
160 /* announce we are here and ready */
161 ast_describe(dev);
162 return 0;
163 }
164
165 static int
166 ast_detach(device_t dev)
167 {
168 struct ast_softc *stp = device_get_ivars(dev);
169
170 /* detroy devices from the system so we dont get any further requests */
171 destroy_dev(stp->dev1);
172 destroy_dev(stp->dev2);
173
174 /* fail requests on the queue and any thats "in flight" for this device */
175 ata_fail_requests(dev);
176
177 /* dont leave anything behind */
178 devstat_remove_entry(stp->stats);
179 device_set_ivars(dev, NULL);
180 free(stp, M_AST);
181 return 0;
182 }
183
184 static void
185 ast_shutdown(device_t dev)
186 {
187 struct ata_device *atadev = device_get_softc(dev);
188
189 if (atadev->param.support.command2 & ATA_SUPPORT_FLUSHCACHE)
190 ata_controlcmd(dev, ATA_FLUSHCACHE, 0, 0, 0);
191 }
192
193 static int
194 ast_reinit(device_t dev)
195 {
196 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
197 struct ata_device *atadev = device_get_softc(dev);
198
199 if (((atadev->unit == ATA_MASTER) && !(ch->devices & ATA_ATAPI_MASTER)) ||
200 ((atadev->unit == ATA_SLAVE) && !(ch->devices & ATA_ATAPI_SLAVE))) {
201 return 1;
202 }
203 ATA_SETMODE(device_get_parent(dev), dev);
204 return 0;
205 }
206
207 static int
208 ast_open(struct cdev *cdev, int flags, int fmt, struct thread *td)
209 {
210 device_t dev = cdev->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 cdev *cdev, int flags, int fmt, struct thread *td)
233 {
234 device_t dev = cdev->si_drv1;
235 struct ast_softc *stp = device_get_ivars(dev);
236
237 /* flush buffers, some drives fail here, they should report ctl = 0 */
238 if (stp->cap.ctl && (stp->flags & F_DATA_WRITTEN))
239 ast_write_filemark(dev, 0);
240
241 /* write filemark if data written to tape */
242 if (!(stp->flags & F_ONSTREAM) &&
243 (stp->flags & (F_DATA_WRITTEN | F_FM_WRITTEN)) == F_DATA_WRITTEN)
244 ast_write_filemark(dev, ATAPI_WF_WRITE);
245
246 /* if minor is even rewind on close */
247 if (!(minor(cdev) & 0x01))
248 ast_rewind(dev);
249
250 if (stp->cap.lock && count_dev(cdev) == 1)
251 ast_prevent_allow(dev, 0);
252
253 stp->flags &= ~F_CTL_WARN;
254 #ifdef AST_DEBUG
255 device_printf(dev, "%ju total bytes transferred\n", (uintmax_t)ast_total);
256 #endif
257 return 0;
258 }
259
260 static int
261 ast_ioctl(struct cdev *cdev, u_long cmd, caddr_t data, int flag, struct thread *td)
262 {
263 device_t dev = cdev->si_drv1;
264 struct ast_softc *stp = device_get_ivars(dev);
265 int error = 0;
266
267 switch (cmd) {
268 case MTIOCGET:
269 {
270 struct mtget *g = (struct mtget *) data;
271
272 bzero(g, sizeof(struct mtget));
273 g->mt_type = 7;
274 g->mt_density = 1;
275 g->mt_blksiz = stp->blksize;
276 g->mt_comp = stp->cap.compress;
277 g->mt_density0 = 0; g->mt_density1 = 0;
278 g->mt_density2 = 0; g->mt_density3 = 0;
279 g->mt_blksiz0 = 0; g->mt_blksiz1 = 0;
280 g->mt_blksiz2 = 0; g->mt_blksiz3 = 0;
281 g->mt_comp0 = 0; g->mt_comp1 = 0;
282 g->mt_comp2 = 0; g->mt_comp3 = 0;
283 }
284 break;
285
286 case MTIOCTOP:
287 {
288 int i;
289 struct mtop *mt = (struct mtop *)data;
290
291 switch ((int16_t) (mt->mt_op)) {
292
293 case MTWEOF:
294 for (i=0; i < mt->mt_count && !error; i++)
295 error = ast_write_filemark(dev, ATAPI_WF_WRITE);
296 break;
297
298 case MTFSF:
299 if (mt->mt_count)
300 error = ast_space(dev, ATAPI_SP_FM, mt->mt_count);
301 break;
302
303 case MTBSF:
304 if (mt->mt_count)
305 error = ast_space(dev, ATAPI_SP_FM, -(mt->mt_count));
306 break;
307
308 case MTREW:
309 error = ast_rewind(dev);
310 break;
311
312 case MTOFFL:
313 error = ast_load_unload(dev, ATAPI_SS_EJECT);
314 break;
315
316 case MTNOP:
317 error = ast_write_filemark(dev, 0);
318 break;
319
320 case MTERASE:
321 error = ast_erase(dev);
322 break;
323
324 case MTEOD:
325 error = ast_space(dev, ATAPI_SP_EOD, 0);
326 break;
327
328 case MTRETENS:
329 error = ast_load_unload(dev, ATAPI_SS_RETENSION|ATAPI_SS_LOAD);
330 break;
331
332 case MTFSR:
333 case MTBSR:
334 case MTCACHE:
335 case MTNOCACHE:
336 case MTSETBSIZ:
337 case MTSETDNSTY:
338 case MTCOMP:
339 default:
340 error = EINVAL;
341 }
342 }
343 break;
344
345 case MTIOCRDSPOS:
346 {
347 struct ast_readposition position;
348
349 if ((error = ast_read_position(dev, 0, &position)))
350 break;
351 *(u_int32_t *)data = position.tape;
352 }
353 break;
354
355 case MTIOCRDHPOS:
356 {
357 struct ast_readposition position;
358
359 if ((error = ast_read_position(dev, 1, &position)))
360 break;
361 *(u_int32_t *)data = position.tape;
362 }
363 break;
364
365 case MTIOCSLOCATE:
366 error = ast_locate(dev, 0, *(u_int32_t *)data);
367 break;
368
369 case MTIOCHLOCATE:
370 error = ast_locate(dev, 1, *(u_int32_t *)data);
371 break;
372
373 default:
374 error = ata_device_ioctl(dev, cmd, data);
375 }
376 return error;
377 }
378
379 static void
380 ast_strategy(struct bio *bp)
381 {
382 device_t dev = bp->bio_dev->si_drv1;
383 struct ata_device *atadev = device_get_softc(dev);
384 struct ast_softc *stp = device_get_ivars(dev);
385 struct ata_request *request;
386 u_int32_t blkcount;
387 int8_t ccb[16];
388
389 /* if it's a null transfer, return immediatly. */
390 if (bp->bio_bcount == 0) {
391 bp->bio_resid = 0;
392 biodone(bp);
393 return;
394 }
395 if (!(bp->bio_cmd == BIO_READ) && stp->flags & F_WRITEPROTECT) {
396 biofinish(bp, NULL, EPERM);
397 return;
398 }
399
400 /* check for != blocksize requests */
401 if (bp->bio_bcount % stp->blksize) {
402 device_printf(dev, "transfers must be multiple of %d\n", stp->blksize);
403 biofinish(bp, NULL, EIO);
404 return;
405 }
406
407 /* warn about transfers bigger than the device suggests */
408 if (bp->bio_bcount > stp->blksize * stp->cap.ctl) {
409 if ((stp->flags & F_CTL_WARN) == 0) {
410 device_printf(dev, "WARNING: CTL exceeded %ld>%d\n",
411 bp->bio_bcount, stp->blksize * stp->cap.ctl);
412 stp->flags |= F_CTL_WARN;
413 }
414 }
415
416 bzero(ccb, sizeof(ccb));
417
418 if (bp->bio_cmd == BIO_READ)
419 ccb[0] = ATAPI_READ;
420 else
421 ccb[0] = ATAPI_WRITE;
422
423 blkcount = bp->bio_bcount / stp->blksize;
424
425 ccb[1] = 1;
426 ccb[2] = blkcount >> 16;
427 ccb[3] = blkcount >> 8;
428 ccb[4] = blkcount;
429
430 if (!(request = ata_alloc_request())) {
431 biofinish(bp, NULL, ENOMEM);
432 return;
433 }
434 request->dev = dev;
435 request->driver = bp;
436 bcopy(ccb, request->u.atapi.ccb,
437 (atadev->param.config & ATA_PROTO_MASK) ==
438 ATA_PROTO_ATAPI_12 ? 16 : 12);
439 request->data = bp->bio_data;
440 request->bytecount = blkcount * stp->blksize;
441 request->transfersize = min(request->bytecount, 65534);
442 request->timeout = (ccb[0] == ATAPI_WRITE_BIG) ? 180 : 120;
443 request->retries = 2;
444 request->callback = ast_done;
445 switch (bp->bio_cmd) {
446 case BIO_READ:
447 request->flags |= (ATA_R_ATAPI | ATA_R_READ);
448 break;
449 case BIO_WRITE:
450 request->flags |= (ATA_R_ATAPI | ATA_R_WRITE);
451 break;
452 default:
453 device_printf(dev, "unknown BIO operation\n");
454 ata_free_request(request);
455 biofinish(bp, NULL, EIO);
456 return;
457 }
458 devstat_start_transaction_bio(stp->stats, bp);
459 ata_queue_request(request);
460 }
461
462 static void
463 ast_done(struct ata_request *request)
464 {
465 struct ast_softc *stp = device_get_ivars(request->dev);
466 struct bio *bp = request->driver;
467
468 /* finish up transfer */
469 if ((bp->bio_error = request->result))
470 bp->bio_flags |= BIO_ERROR;
471 if (bp->bio_cmd == BIO_WRITE)
472 stp->flags |= F_DATA_WRITTEN;
473 bp->bio_resid = bp->bio_bcount - request->donecount;
474 ast_total += (bp->bio_bcount - bp->bio_resid);
475 biofinish(bp, stp->stats, 0);
476 ata_free_request(request);
477 }
478
479 static int
480 ast_sense(device_t dev)
481 {
482 struct ast_softc *stp = device_get_ivars(dev);
483 int count;
484
485 /* get drive capabilities, some bugridden drives needs this repeated */
486 for (count = 0 ; count < 5 ; count++) {
487 if (!ast_mode_sense(dev, ATAPI_TAPE_CAP_PAGE,
488 &stp->cap, sizeof(stp->cap)) &&
489 stp->cap.page_code == ATAPI_TAPE_CAP_PAGE) {
490 if (stp->cap.blk32k)
491 stp->blksize = 32768;
492 if (stp->cap.blk1024)
493 stp->blksize = 1024;
494 if (stp->cap.blk512)
495 stp->blksize = 512;
496 if (!stp->blksize)
497 continue;
498 stp->cap.max_speed = ntohs(stp->cap.max_speed);
499 stp->cap.max_defects = ntohs(stp->cap.max_defects);
500 stp->cap.ctl = ntohs(stp->cap.ctl);
501 stp->cap.speed = ntohs(stp->cap.speed);
502 stp->cap.buffer_size = ntohs(stp->cap.buffer_size);
503 return 0;
504 }
505 }
506 return 1;
507 }
508
509 static int
510 ast_mode_sense(device_t dev, int page, void *pagebuf, int pagesize)
511 {
512 int8_t ccb[16] = { ATAPI_MODE_SENSE, 0x08, page, pagesize>>8, pagesize,
513 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
514 int error;
515
516 error = ata_atapicmd(dev, ccb, pagebuf, pagesize, ATA_R_READ, 10);
517 return error;
518 }
519
520 static int
521 ast_mode_select(device_t dev, void *pagebuf, int pagesize)
522 {
523 int8_t ccb[16] = { ATAPI_MODE_SELECT, 0x10, 0, pagesize>>8, pagesize,
524 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
525
526 return ata_atapicmd(dev, ccb, pagebuf, pagesize, 0, 10);
527 }
528
529 static int
530 ast_write_filemark(device_t dev, u_int8_t function)
531 {
532 struct ast_softc *stp = device_get_ivars(dev);
533 int8_t ccb[16] = { ATAPI_WEOF, 0x01, 0, 0, function, 0, 0, 0,
534 0, 0, 0, 0, 0, 0, 0, 0 };
535 int error;
536
537 if (stp->flags & F_ONSTREAM)
538 ccb[4] = 0x00; /* only flush buffers supported */
539 else {
540 if (function) {
541 if (stp->flags & F_FM_WRITTEN)
542 stp->flags &= ~F_DATA_WRITTEN;
543 else
544 stp->flags |= F_FM_WRITTEN;
545 }
546 }
547 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10);
548 if (error)
549 return error;
550 return ast_wait_dsc(dev, 10*60);
551 }
552
553 static int
554 ast_read_position(device_t dev, int hard, struct ast_readposition *position)
555 {
556 int8_t ccb[16] = { ATAPI_READ_POSITION, (hard ? 0x01 : 0), 0, 0, 0, 0, 0, 0,
557 0, 0, 0, 0, 0, 0, 0, 0 };
558 int error;
559
560 error = ata_atapicmd(dev, ccb, (caddr_t)position,
561 sizeof(struct ast_readposition), ATA_R_READ, 10);
562 position->tape = ntohl(position->tape);
563 position->host = ntohl(position->host);
564 return error;
565 }
566
567 static int
568 ast_space(device_t dev, u_int8_t function, int32_t count)
569 {
570 int8_t ccb[16] = { ATAPI_SPACE, function, count>>16, count>>8, count,
571 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
572
573 return ata_atapicmd(dev, ccb, NULL, 0, 0, 60*60);
574 }
575
576 static int
577 ast_locate(device_t dev, int hard, u_int32_t pos)
578 {
579 int8_t ccb[16] = { ATAPI_LOCATE, 0x01 | (hard ? 0x4 : 0), 0,
580 pos>>24, pos>>16, pos>>8, pos,
581 0, 0, 0, 0, 0, 0, 0, 0, 0 };
582 int error;
583
584 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10);
585 if (error)
586 return error;
587 return ast_wait_dsc(dev, 60*60);
588 }
589
590 static int
591 ast_prevent_allow(device_t dev, int lock)
592 {
593 int8_t ccb[16] = { ATAPI_PREVENT_ALLOW, 0, 0, 0, lock,
594 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
595
596 return ata_atapicmd(dev, ccb, NULL, 0, 0, 30);
597 }
598
599 static int
600 ast_load_unload(device_t dev, u_int8_t function)
601 {
602 struct ast_softc *stp = device_get_ivars(dev);
603 int8_t ccb[16] = { ATAPI_START_STOP, 0x01, 0, 0, function, 0, 0, 0,
604 0, 0, 0, 0, 0, 0, 0, 0 };
605 int error;
606
607 if ((function & ATAPI_SS_EJECT) && !stp->cap.eject)
608 return 0;
609 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10);
610 if (error)
611 return error;
612 pause("astlu", 1 * hz);
613 if (function == ATAPI_SS_EJECT)
614 return 0;
615 return ast_wait_dsc(dev, 60*60);
616 }
617
618 static int
619 ast_rewind(device_t dev)
620 {
621 int8_t ccb[16] = { ATAPI_REZERO, 0x01, 0, 0, 0, 0, 0, 0,
622 0, 0, 0, 0, 0, 0, 0, 0 };
623 int error;
624
625 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 10);
626 if (error)
627 return error;
628 return ast_wait_dsc(dev, 60*60);
629 }
630
631 static int
632 ast_erase(device_t dev)
633 {
634 int8_t ccb[16] = { ATAPI_ERASE, 3, 0, 0, 0, 0, 0, 0,
635 0, 0, 0, 0, 0, 0, 0, 0 };
636 int error;
637
638 if ((error = ast_rewind(dev)))
639 return error;
640
641 return ata_atapicmd(dev, ccb, NULL, 0, 0, 60*60);
642 }
643
644 static int
645 ast_test_ready(device_t dev)
646 {
647 int8_t ccb[16] = { ATAPI_TEST_UNIT_READY, 0, 0, 0, 0,
648 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
649
650 return ata_atapicmd(dev, ccb, NULL, 0, 0, 30);
651 }
652
653 static int
654 ast_wait_dsc(device_t dev, int timeout)
655 {
656 int error = 0;
657 int8_t ccb[16] = { ATAPI_POLL_DSC, 0, 0, 0, 0,
658 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
659
660 timeout *= hz;
661 while (timeout > 0) {
662 error = ata_atapicmd(dev, ccb, NULL, 0, 0, 0);
663 if (error != EBUSY)
664 break;
665 pause("atpwt", hz / 2);
666 timeout -= (hz / 2);
667 }
668 return error;
669 }
670
671 static void
672 ast_describe(device_t dev)
673 {
674 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
675 struct ata_device *atadev = device_get_softc(dev);
676 struct ast_softc *stp = device_get_ivars(dev);
677
678 if (bootverbose) {
679 device_printf(dev, "<%.40s/%.8s> tape drive at ata%d as %s\n",
680 atadev->param.model, atadev->param.revision,
681 device_get_unit(ch->dev),
682 (atadev->unit == ATA_MASTER) ? "master" : "slave");
683 device_printf(dev, "%dKB/s, ", stp->cap.max_speed);
684 printf("transfer limit %d blk%s, ",
685 stp->cap.ctl, (stp->cap.ctl > 1) ? "s" : "");
686 printf("%dKB buffer, ", (stp->cap.buffer_size * DEV_BSIZE) / 1024);
687 printf("%s\n", ata_mode2str(atadev->mode));
688 device_printf(dev, "Medium: ");
689 switch (stp->cap.medium_type) {
690 case 0x00:
691 printf("none"); break;
692 case 0x17:
693 printf("Travan 1 (400 Mbyte)"); break;
694 case 0xb6:
695 printf("Travan 4 (4 Gbyte)"); break;
696 case 0xda:
697 printf("OnStream ADR (15Gyte)"); break;
698 default:
699 printf("unknown (0x%x)", stp->cap.medium_type);
700 }
701 if (stp->cap.readonly) printf(", readonly");
702 if (stp->cap.reverse) printf(", reverse");
703 if (stp->cap.eformat) printf(", eformat");
704 if (stp->cap.qfa) printf(", qfa");
705 if (stp->cap.lock) printf(", lock");
706 if (stp->cap.locked) printf(", locked");
707 if (stp->cap.prevent) printf(", prevent");
708 if (stp->cap.eject) printf(", eject");
709 if (stp->cap.disconnect) printf(", disconnect");
710 if (stp->cap.ecc) printf(", ecc");
711 if (stp->cap.compress) printf(", compress");
712 if (stp->cap.blk512) printf(", 512b");
713 if (stp->cap.blk1024) printf(", 1024b");
714 if (stp->cap.blk32k) printf(", 32kb");
715 printf("\n");
716 }
717 else {
718 device_printf(dev, "TAPE <%.40s/%.8s> at ata%d-%s %s\n",
719 atadev->param.model, atadev->param.revision,
720 device_get_unit(ch->dev),
721 (atadev->unit == ATA_MASTER) ? "master" : "slave",
722 ata_mode2str(atadev->mode));
723 }
724 }
725
726 static device_method_t ast_methods[] = {
727 /* device interface */
728 DEVMETHOD(device_probe, ast_probe),
729 DEVMETHOD(device_attach, ast_attach),
730 DEVMETHOD(device_detach, ast_detach),
731 DEVMETHOD(device_shutdown, ast_shutdown),
732
733 /* ATA methods */
734 DEVMETHOD(ata_reinit, ast_reinit),
735
736 { 0, 0 }
737 };
738
739 static driver_t ast_driver = {
740 "ast",
741 ast_methods,
742 0,
743 };
744
745 static devclass_t ast_devclass;
746
747 DRIVER_MODULE(ast, ata, ast_driver, ast_devclass, NULL, NULL);
748 MODULE_VERSION(ast, 1);
749 MODULE_DEPEND(ast, ata, 1, 1, 1);
Cache object: bd390e780171d9e2f15cf121a1836e5f
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