1 /*- 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * Derived from the NetBSD SCSI changer driver. 30 * 31 * $NetBSD: ch.c,v 1.32 1998/01/12 09:49:12 thorpej Exp $ 32 * 33 */ 34 /*- 35 * Copyright (c) 1996, 1997 Jason R. Thorpe <thorpej@and.com> 36 * All rights reserved. 37 * 38 * Partially based on an autochanger driver written by Stefan Grefen 39 * and on an autochanger driver written by the Systems Programming Group 40 * at the University of Utah Computer Science Department. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. All advertising materials mentioning features or use of this software 51 * must display the following acknowledgements: 52 * This product includes software developed by Jason R. Thorpe 53 * for And Communications, http://www.and.com/ 54 * 4. The name of the author may not be used to endorse or promote products 55 * derived from this software without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 62 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 63 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 64 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 65 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 66 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 67 * SUCH DAMAGE. 68 */ 69 70 #include <sys/cdefs.h> 71 __FBSDID("$FreeBSD$"); 72 73 #include <sys/param.h> 74 #include <sys/queue.h> 75 #include <sys/systm.h> 76 #include <sys/kernel.h> 77 #include <sys/types.h> 78 #include <sys/malloc.h> 79 #include <sys/fcntl.h> 80 #include <sys/conf.h> 81 #include <sys/chio.h> 82 #include <sys/errno.h> 83 #include <sys/devicestat.h> 84 85 #include <cam/cam.h> 86 #include <cam/cam_ccb.h> 87 #include <cam/cam_periph.h> 88 #include <cam/cam_xpt_periph.h> 89 #include <cam/cam_debug.h> 90 91 #include <cam/scsi/scsi_all.h> 92 #include <cam/scsi/scsi_message.h> 93 #include <cam/scsi/scsi_ch.h> 94 95 /* 96 * Timeout definitions for various changer related commands. They may 97 * be too short for some devices (especially the timeout for INITIALIZE 98 * ELEMENT STATUS). 99 */ 100 101 static const u_int32_t CH_TIMEOUT_MODE_SENSE = 6000; 102 static const u_int32_t CH_TIMEOUT_MOVE_MEDIUM = 100000; 103 static const u_int32_t CH_TIMEOUT_EXCHANGE_MEDIUM = 100000; 104 static const u_int32_t CH_TIMEOUT_POSITION_TO_ELEMENT = 100000; 105 static const u_int32_t CH_TIMEOUT_READ_ELEMENT_STATUS = 10000; 106 static const u_int32_t CH_TIMEOUT_SEND_VOLTAG = 10000; 107 static const u_int32_t CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS = 500000; 108 109 typedef enum { 110 CH_FLAG_INVALID = 0x001, 111 CH_FLAG_OPEN = 0x002 112 } ch_flags; 113 114 typedef enum { 115 CH_STATE_PROBE, 116 CH_STATE_NORMAL 117 } ch_state; 118 119 typedef enum { 120 CH_CCB_PROBE, 121 CH_CCB_WAITING 122 } ch_ccb_types; 123 124 typedef enum { 125 CH_Q_NONE = 0x00, 126 CH_Q_NO_DBD = 0x01 127 } ch_quirks; 128 129 #define ccb_state ppriv_field0 130 #define ccb_bp ppriv_ptr1 131 132 struct scsi_mode_sense_data { 133 struct scsi_mode_header_6 header; 134 struct scsi_mode_blk_desc blk_desc; 135 union { 136 struct page_element_address_assignment ea; 137 struct page_transport_geometry_parameters tg; 138 struct page_device_capabilities cap; 139 } pages; 140 }; 141 142 struct ch_softc { 143 ch_flags flags; 144 ch_state state; 145 ch_quirks quirks; 146 union ccb saved_ccb; 147 struct devstat *device_stats; 148 struct cdev *dev; 149 150 int sc_picker; /* current picker */ 151 152 /* 153 * The following information is obtained from the 154 * element address assignment page. 155 */ 156 int sc_firsts[CHET_MAX + 1]; /* firsts */ 157 int sc_counts[CHET_MAX + 1]; /* counts */ 158 159 /* 160 * The following mask defines the legal combinations 161 * of elements for the MOVE MEDIUM command. 162 */ 163 u_int8_t sc_movemask[CHET_MAX + 1]; 164 165 /* 166 * As above, but for EXCHANGE MEDIUM. 167 */ 168 u_int8_t sc_exchangemask[CHET_MAX + 1]; 169 170 /* 171 * Quirks; see below. XXX KDM not implemented yet 172 */ 173 int sc_settledelay; /* delay for settle */ 174 }; 175 176 static d_open_t chopen; 177 static d_close_t chclose; 178 static d_ioctl_t chioctl; 179 static periph_init_t chinit; 180 static periph_ctor_t chregister; 181 static periph_oninv_t choninvalidate; 182 static periph_dtor_t chcleanup; 183 static periph_start_t chstart; 184 static void chasync(void *callback_arg, u_int32_t code, 185 struct cam_path *path, void *arg); 186 static void chdone(struct cam_periph *periph, 187 union ccb *done_ccb); 188 static int cherror(union ccb *ccb, u_int32_t cam_flags, 189 u_int32_t sense_flags); 190 static int chmove(struct cam_periph *periph, 191 struct changer_move *cm); 192 static int chexchange(struct cam_periph *periph, 193 struct changer_exchange *ce); 194 static int chposition(struct cam_periph *periph, 195 struct changer_position *cp); 196 static int chgetelemstatus(struct cam_periph *periph, 197 struct changer_element_status_request *csr); 198 static int chsetvoltag(struct cam_periph *periph, 199 struct changer_set_voltag_request *csvr); 200 static int chielem(struct cam_periph *periph, 201 unsigned int timeout); 202 static int chgetparams(struct cam_periph *periph); 203 204 static struct periph_driver chdriver = 205 { 206 chinit, "ch", 207 TAILQ_HEAD_INITIALIZER(chdriver.units), /* generation */ 0 208 }; 209 210 PERIPHDRIVER_DECLARE(ch, chdriver); 211 212 static struct cdevsw ch_cdevsw = { 213 .d_version = D_VERSION, 214 .d_flags = 0, 215 .d_open = chopen, 216 .d_close = chclose, 217 .d_ioctl = chioctl, 218 .d_name = "ch", 219 }; 220 221 MALLOC_DEFINE(M_SCSICH, "scsi_ch", "scsi_ch buffers"); 222 223 static void 224 chinit(void) 225 { 226 cam_status status; 227 228 /* 229 * Install a global async callback. This callback will 230 * receive async callbacks like "new device found". 231 */ 232 status = xpt_register_async(AC_FOUND_DEVICE, chasync, NULL, NULL); 233 234 if (status != CAM_REQ_CMP) { 235 printf("ch: Failed to attach master async callback " 236 "due to status 0x%x!\n", status); 237 } 238 } 239 240 static void 241 choninvalidate(struct cam_periph *periph) 242 { 243 struct ch_softc *softc; 244 245 softc = (struct ch_softc *)periph->softc; 246 247 /* 248 * De-register any async callbacks. 249 */ 250 xpt_register_async(0, chasync, periph, periph->path); 251 252 softc->flags |= CH_FLAG_INVALID; 253 254 xpt_print(periph->path, "lost device\n"); 255 256 } 257 258 static void 259 chcleanup(struct cam_periph *periph) 260 { 261 struct ch_softc *softc; 262 263 softc = (struct ch_softc *)periph->softc; 264 265 xpt_print(periph->path, "removing device entry\n"); 266 devstat_remove_entry(softc->device_stats); 267 cam_periph_unlock(periph); 268 destroy_dev(softc->dev); 269 cam_periph_lock(periph); 270 free(softc, M_DEVBUF); 271 } 272 273 static void 274 chasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) 275 { 276 struct cam_periph *periph; 277 278 periph = (struct cam_periph *)callback_arg; 279 280 switch(code) { 281 case AC_FOUND_DEVICE: 282 { 283 struct ccb_getdev *cgd; 284 cam_status status; 285 286 cgd = (struct ccb_getdev *)arg; 287 if (cgd == NULL) 288 break; 289 290 if (cgd->protocol != PROTO_SCSI) 291 break; 292 293 if (SID_TYPE(&cgd->inq_data)!= T_CHANGER) 294 break; 295 296 /* 297 * Allocate a peripheral instance for 298 * this device and start the probe 299 * process. 300 */ 301 status = cam_periph_alloc(chregister, choninvalidate, 302 chcleanup, chstart, "ch", 303 CAM_PERIPH_BIO, cgd->ccb_h.path, 304 chasync, AC_FOUND_DEVICE, cgd); 305 306 if (status != CAM_REQ_CMP 307 && status != CAM_REQ_INPROG) 308 printf("chasync: Unable to probe new device " 309 "due to status 0x%x\n", status); 310 311 break; 312 313 } 314 default: 315 cam_periph_async(periph, code, path, arg); 316 break; 317 } 318 } 319 320 static cam_status 321 chregister(struct cam_periph *periph, void *arg) 322 { 323 struct ch_softc *softc; 324 struct ccb_getdev *cgd; 325 326 cgd = (struct ccb_getdev *)arg; 327 if (periph == NULL) { 328 printf("chregister: periph was NULL!!\n"); 329 return(CAM_REQ_CMP_ERR); 330 } 331 332 if (cgd == NULL) { 333 printf("chregister: no getdev CCB, can't register device\n"); 334 return(CAM_REQ_CMP_ERR); 335 } 336 337 softc = (struct ch_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 338 339 if (softc == NULL) { 340 printf("chregister: Unable to probe new device. " 341 "Unable to allocate softc\n"); 342 return(CAM_REQ_CMP_ERR); 343 } 344 345 bzero(softc, sizeof(*softc)); 346 softc->state = CH_STATE_PROBE; 347 periph->softc = softc; 348 softc->quirks = CH_Q_NONE; 349 350 /* 351 * Changers don't have a blocksize, and obviously don't support 352 * tagged queueing. 353 */ 354 cam_periph_unlock(periph); 355 softc->device_stats = devstat_new_entry("ch", 356 periph->unit_number, 0, 357 DEVSTAT_NO_BLOCKSIZE | DEVSTAT_NO_ORDERED_TAGS, 358 SID_TYPE(&cgd->inq_data)| DEVSTAT_TYPE_IF_SCSI, 359 DEVSTAT_PRIORITY_OTHER); 360 361 /* Register the device */ 362 softc->dev = make_dev(&ch_cdevsw, periph->unit_number, UID_ROOT, 363 GID_OPERATOR, 0600, "%s%d", periph->periph_name, 364 periph->unit_number); 365 cam_periph_lock(periph); 366 softc->dev->si_drv1 = periph; 367 368 /* 369 * Add an async callback so that we get 370 * notified if this device goes away. 371 */ 372 xpt_register_async(AC_LOST_DEVICE, chasync, periph, periph->path); 373 374 /* 375 * Lock this periph until we are setup. 376 * This first call can't block 377 */ 378 (void)cam_periph_hold(periph, PRIBIO); 379 xpt_schedule(periph, /*priority*/5); 380 381 return(CAM_REQ_CMP); 382 } 383 384 static int 385 chopen(struct cdev *dev, int flags, int fmt, struct thread *td) 386 { 387 struct cam_periph *periph; 388 struct ch_softc *softc; 389 int error; 390 391 periph = (struct cam_periph *)dev->si_drv1; 392 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 393 return (ENXIO); 394 395 softc = (struct ch_softc *)periph->softc; 396 397 cam_periph_lock(periph); 398 399 if (softc->flags & CH_FLAG_INVALID) { 400 cam_periph_unlock(periph); 401 cam_periph_release(periph); 402 return(ENXIO); 403 } 404 405 if ((softc->flags & CH_FLAG_OPEN) == 0) 406 softc->flags |= CH_FLAG_OPEN; 407 else 408 cam_periph_release(periph); 409 410 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 411 cam_periph_unlock(periph); 412 cam_periph_release(periph); 413 return (error); 414 } 415 416 /* 417 * Load information about this changer device into the softc. 418 */ 419 if ((error = chgetparams(periph)) != 0) { 420 softc->flags &= ~CH_FLAG_OPEN; 421 cam_periph_unlock(periph); 422 cam_periph_release(periph); 423 return(error); 424 } 425 426 cam_periph_unhold(periph); 427 cam_periph_unlock(periph); 428 429 return(error); 430 } 431 432 static int 433 chclose(struct cdev *dev, int flag, int fmt, struct thread *td) 434 { 435 struct cam_periph *periph; 436 struct ch_softc *softc; 437 int error; 438 439 error = 0; 440 441 periph = (struct cam_periph *)dev->si_drv1; 442 if (periph == NULL) 443 return(ENXIO); 444 445 softc = (struct ch_softc *)periph->softc; 446 447 cam_periph_lock(periph); 448 449 softc->flags &= ~CH_FLAG_OPEN; 450 451 cam_periph_unlock(periph); 452 cam_periph_release(periph); 453 454 return(0); 455 } 456 457 static void 458 chstart(struct cam_periph *periph, union ccb *start_ccb) 459 { 460 struct ch_softc *softc; 461 462 softc = (struct ch_softc *)periph->softc; 463 464 switch (softc->state) { 465 case CH_STATE_NORMAL: 466 { 467 if (periph->immediate_priority <= periph->pinfo.priority){ 468 start_ccb->ccb_h.ccb_state = CH_CCB_WAITING; 469 470 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 471 periph_links.sle); 472 periph->immediate_priority = CAM_PRIORITY_NONE; 473 wakeup(&periph->ccb_list); 474 } 475 break; 476 } 477 case CH_STATE_PROBE: 478 { 479 int mode_buffer_len; 480 void *mode_buffer; 481 482 /* 483 * Include the block descriptor when calculating the mode 484 * buffer length, 485 */ 486 mode_buffer_len = sizeof(struct scsi_mode_header_6) + 487 sizeof(struct scsi_mode_blk_desc) + 488 sizeof(struct page_element_address_assignment); 489 490 mode_buffer = malloc(mode_buffer_len, M_SCSICH, M_NOWAIT); 491 492 if (mode_buffer == NULL) { 493 printf("chstart: couldn't malloc mode sense data\n"); 494 break; 495 } 496 bzero(mode_buffer, mode_buffer_len); 497 498 /* 499 * Get the element address assignment page. 500 */ 501 scsi_mode_sense(&start_ccb->csio, 502 /* retries */ 1, 503 /* cbfcnp */ chdone, 504 /* tag_action */ MSG_SIMPLE_Q_TAG, 505 /* dbd */ (softc->quirks & CH_Q_NO_DBD) ? 506 FALSE : TRUE, 507 /* page_code */ SMS_PAGE_CTRL_CURRENT, 508 /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE, 509 /* param_buf */ (u_int8_t *)mode_buffer, 510 /* param_len */ mode_buffer_len, 511 /* sense_len */ SSD_FULL_SIZE, 512 /* timeout */ CH_TIMEOUT_MODE_SENSE); 513 514 start_ccb->ccb_h.ccb_bp = NULL; 515 start_ccb->ccb_h.ccb_state = CH_CCB_PROBE; 516 xpt_action(start_ccb); 517 break; 518 } 519 } 520 } 521 522 static void 523 chdone(struct cam_periph *periph, union ccb *done_ccb) 524 { 525 struct ch_softc *softc; 526 struct ccb_scsiio *csio; 527 528 softc = (struct ch_softc *)periph->softc; 529 csio = &done_ccb->csio; 530 531 switch(done_ccb->ccb_h.ccb_state) { 532 case CH_CCB_PROBE: 533 { 534 struct scsi_mode_header_6 *mode_header; 535 struct page_element_address_assignment *ea; 536 char announce_buf[80]; 537 538 539 mode_header = (struct scsi_mode_header_6 *)csio->data_ptr; 540 541 ea = (struct page_element_address_assignment *) 542 find_mode_page_6(mode_header); 543 544 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP){ 545 546 softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea); 547 softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte); 548 softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea); 549 softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse); 550 softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea); 551 softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee); 552 softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea); 553 softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte); 554 softc->sc_picker = softc->sc_firsts[CHET_MT]; 555 556 #define PLURAL(c) (c) == 1 ? "" : "s" 557 snprintf(announce_buf, sizeof(announce_buf), 558 "%d slot%s, %d drive%s, " 559 "%d picker%s, %d portal%s", 560 softc->sc_counts[CHET_ST], 561 PLURAL(softc->sc_counts[CHET_ST]), 562 softc->sc_counts[CHET_DT], 563 PLURAL(softc->sc_counts[CHET_DT]), 564 softc->sc_counts[CHET_MT], 565 PLURAL(softc->sc_counts[CHET_MT]), 566 softc->sc_counts[CHET_IE], 567 PLURAL(softc->sc_counts[CHET_IE])); 568 #undef PLURAL 569 } else { 570 int error; 571 572 error = cherror(done_ccb, CAM_RETRY_SELTO, 573 SF_RETRY_UA | SF_NO_PRINT); 574 /* 575 * Retry any UNIT ATTENTION type errors. They 576 * are expected at boot. 577 */ 578 if (error == ERESTART) { 579 /* 580 * A retry was scheuled, so 581 * just return. 582 */ 583 return; 584 } else if (error != 0) { 585 int retry_scheduled; 586 struct scsi_mode_sense_6 *sms; 587 588 sms = (struct scsi_mode_sense_6 *) 589 done_ccb->csio.cdb_io.cdb_bytes; 590 591 /* 592 * Check to see if block descriptors were 593 * disabled. Some devices don't like that. 594 * We're taking advantage of the fact that 595 * the first few bytes of the 6 and 10 byte 596 * mode sense commands are the same. If 597 * block descriptors were disabled, enable 598 * them and re-send the command. 599 */ 600 if (sms->byte2 & SMS_DBD) { 601 sms->byte2 &= ~SMS_DBD; 602 xpt_action(done_ccb); 603 softc->quirks |= CH_Q_NO_DBD; 604 retry_scheduled = 1; 605 } else 606 retry_scheduled = 0; 607 608 /* Don't wedge this device's queue */ 609 cam_release_devq(done_ccb->ccb_h.path, 610 /*relsim_flags*/0, 611 /*reduction*/0, 612 /*timeout*/0, 613 /*getcount_only*/0); 614 615 if (retry_scheduled) 616 return; 617 618 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) 619 == CAM_SCSI_STATUS_ERROR) 620 scsi_sense_print(&done_ccb->csio); 621 else { 622 xpt_print(periph->path, 623 "got CAM status %#x\n", 624 done_ccb->ccb_h.status); 625 } 626 xpt_print(periph->path, "fatal error, failed " 627 "to attach to device\n"); 628 629 cam_periph_invalidate(periph); 630 631 announce_buf[0] = '\0'; 632 } 633 } 634 if (announce_buf[0] != '\0') 635 xpt_announce_periph(periph, announce_buf); 636 softc->state = CH_STATE_NORMAL; 637 free(mode_header, M_SCSICH); 638 /* 639 * Since our peripheral may be invalidated by an error 640 * above or an external event, we must release our CCB 641 * before releasing the probe lock on the peripheral. 642 * The peripheral will only go away once the last lock 643 * is removed, and we need it around for the CCB release 644 * operation. 645 */ 646 xpt_release_ccb(done_ccb); 647 cam_periph_unhold(periph); 648 return; 649 } 650 case CH_CCB_WAITING: 651 { 652 /* Caller will release the CCB */ 653 wakeup(&done_ccb->ccb_h.cbfcnp); 654 return; 655 } 656 default: 657 break; 658 } 659 xpt_release_ccb(done_ccb); 660 } 661 662 static int 663 cherror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 664 { 665 struct ch_softc *softc; 666 struct cam_periph *periph; 667 668 periph = xpt_path_periph(ccb->ccb_h.path); 669 softc = (struct ch_softc *)periph->softc; 670 671 return (cam_periph_error(ccb, cam_flags, sense_flags, 672 &softc->saved_ccb)); 673 } 674 675 static int 676 chioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 677 { 678 struct cam_periph *periph; 679 struct ch_softc *softc; 680 int error; 681 682 periph = (struct cam_periph *)dev->si_drv1; 683 if (periph == NULL) 684 return(ENXIO); 685 686 cam_periph_lock(periph); 687 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering chioctl\n")); 688 689 softc = (struct ch_softc *)periph->softc; 690 691 error = 0; 692 693 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 694 ("trying to do ioctl %#lx\n", cmd)); 695 696 /* 697 * If this command can change the device's state, we must 698 * have the device open for writing. 699 */ 700 switch (cmd) { 701 case CHIOGPICKER: 702 case CHIOGPARAMS: 703 case CHIOGSTATUS: 704 break; 705 706 default: 707 if ((flag & FWRITE) == 0) { 708 cam_periph_unlock(periph); 709 return (EBADF); 710 } 711 } 712 713 switch (cmd) { 714 case CHIOMOVE: 715 error = chmove(periph, (struct changer_move *)addr); 716 break; 717 718 case CHIOEXCHANGE: 719 error = chexchange(periph, (struct changer_exchange *)addr); 720 break; 721 722 case CHIOPOSITION: 723 error = chposition(periph, (struct changer_position *)addr); 724 break; 725 726 case CHIOGPICKER: 727 *(int *)addr = softc->sc_picker - softc->sc_firsts[CHET_MT]; 728 break; 729 730 case CHIOSPICKER: 731 { 732 int new_picker = *(int *)addr; 733 734 if (new_picker > (softc->sc_counts[CHET_MT] - 1)) { 735 error = EINVAL; 736 break; 737 } 738 softc->sc_picker = softc->sc_firsts[CHET_MT] + new_picker; 739 break; 740 } 741 case CHIOGPARAMS: 742 { 743 struct changer_params *cp = (struct changer_params *)addr; 744 745 cp->cp_npickers = softc->sc_counts[CHET_MT]; 746 cp->cp_nslots = softc->sc_counts[CHET_ST]; 747 cp->cp_nportals = softc->sc_counts[CHET_IE]; 748 cp->cp_ndrives = softc->sc_counts[CHET_DT]; 749 break; 750 } 751 case CHIOIELEM: 752 error = chielem(periph, *(unsigned int *)addr); 753 break; 754 755 case CHIOGSTATUS: 756 { 757 error = chgetelemstatus(periph, 758 (struct changer_element_status_request *) addr); 759 break; 760 } 761 762 case CHIOSETVOLTAG: 763 { 764 error = chsetvoltag(periph, 765 (struct changer_set_voltag_request *) addr); 766 break; 767 } 768 769 /* Implement prevent/allow? */ 770 771 default: 772 error = cam_periph_ioctl(periph, cmd, addr, cherror); 773 break; 774 } 775 776 cam_periph_unlock(periph); 777 return (error); 778 } 779 780 static int 781 chmove(struct cam_periph *periph, struct changer_move *cm) 782 { 783 struct ch_softc *softc; 784 u_int16_t fromelem, toelem; 785 union ccb *ccb; 786 int error; 787 788 error = 0; 789 softc = (struct ch_softc *)periph->softc; 790 791 /* 792 * Check arguments. 793 */ 794 if ((cm->cm_fromtype > CHET_DT) || (cm->cm_totype > CHET_DT)) 795 return (EINVAL); 796 if ((cm->cm_fromunit > (softc->sc_counts[cm->cm_fromtype] - 1)) || 797 (cm->cm_tounit > (softc->sc_counts[cm->cm_totype] - 1))) 798 return (ENODEV); 799 800 /* 801 * Check the request against the changer's capabilities. 802 */ 803 if ((softc->sc_movemask[cm->cm_fromtype] & (1 << cm->cm_totype)) == 0) 804 return (ENODEV); 805 806 /* 807 * Calculate the source and destination elements. 808 */ 809 fromelem = softc->sc_firsts[cm->cm_fromtype] + cm->cm_fromunit; 810 toelem = softc->sc_firsts[cm->cm_totype] + cm->cm_tounit; 811 812 ccb = cam_periph_getccb(periph, /*priority*/ 1); 813 814 scsi_move_medium(&ccb->csio, 815 /* retries */ 1, 816 /* cbfcnp */ chdone, 817 /* tag_action */ MSG_SIMPLE_Q_TAG, 818 /* tea */ softc->sc_picker, 819 /* src */ fromelem, 820 /* dst */ toelem, 821 /* invert */ (cm->cm_flags & CM_INVERT) ? TRUE : FALSE, 822 /* sense_len */ SSD_FULL_SIZE, 823 /* timeout */ CH_TIMEOUT_MOVE_MEDIUM); 824 825 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/CAM_RETRY_SELTO, 826 /*sense_flags*/ SF_RETRY_UA, 827 softc->device_stats); 828 829 xpt_release_ccb(ccb); 830 831 return(error); 832 } 833 834 static int 835 chexchange(struct cam_periph *periph, struct changer_exchange *ce) 836 { 837 struct ch_softc *softc; 838 u_int16_t src, dst1, dst2; 839 union ccb *ccb; 840 int error; 841 842 error = 0; 843 softc = (struct ch_softc *)periph->softc; 844 /* 845 * Check arguments. 846 */ 847 if ((ce->ce_srctype > CHET_DT) || (ce->ce_fdsttype > CHET_DT) || 848 (ce->ce_sdsttype > CHET_DT)) 849 return (EINVAL); 850 if ((ce->ce_srcunit > (softc->sc_counts[ce->ce_srctype] - 1)) || 851 (ce->ce_fdstunit > (softc->sc_counts[ce->ce_fdsttype] - 1)) || 852 (ce->ce_sdstunit > (softc->sc_counts[ce->ce_sdsttype] - 1))) 853 return (ENODEV); 854 855 /* 856 * Check the request against the changer's capabilities. 857 */ 858 if (((softc->sc_exchangemask[ce->ce_srctype] & 859 (1 << ce->ce_fdsttype)) == 0) || 860 ((softc->sc_exchangemask[ce->ce_fdsttype] & 861 (1 << ce->ce_sdsttype)) == 0)) 862 return (ENODEV); 863 864 /* 865 * Calculate the source and destination elements. 866 */ 867 src = softc->sc_firsts[ce->ce_srctype] + ce->ce_srcunit; 868 dst1 = softc->sc_firsts[ce->ce_fdsttype] + ce->ce_fdstunit; 869 dst2 = softc->sc_firsts[ce->ce_sdsttype] + ce->ce_sdstunit; 870 871 ccb = cam_periph_getccb(periph, /*priority*/ 1); 872 873 scsi_exchange_medium(&ccb->csio, 874 /* retries */ 1, 875 /* cbfcnp */ chdone, 876 /* tag_action */ MSG_SIMPLE_Q_TAG, 877 /* tea */ softc->sc_picker, 878 /* src */ src, 879 /* dst1 */ dst1, 880 /* dst2 */ dst2, 881 /* invert1 */ (ce->ce_flags & CE_INVERT1) ? 882 TRUE : FALSE, 883 /* invert2 */ (ce->ce_flags & CE_INVERT2) ? 884 TRUE : FALSE, 885 /* sense_len */ SSD_FULL_SIZE, 886 /* timeout */ CH_TIMEOUT_EXCHANGE_MEDIUM); 887 888 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/CAM_RETRY_SELTO, 889 /*sense_flags*/ SF_RETRY_UA, 890 softc->device_stats); 891 892 xpt_release_ccb(ccb); 893 894 return(error); 895 } 896 897 static int 898 chposition(struct cam_periph *periph, struct changer_position *cp) 899 { 900 struct ch_softc *softc; 901 u_int16_t dst; 902 union ccb *ccb; 903 int error; 904 905 error = 0; 906 softc = (struct ch_softc *)periph->softc; 907 908 /* 909 * Check arguments. 910 */ 911 if (cp->cp_type > CHET_DT) 912 return (EINVAL); 913 if (cp->cp_unit > (softc->sc_counts[cp->cp_type] - 1)) 914 return (ENODEV); 915 916 /* 917 * Calculate the destination element. 918 */ 919 dst = softc->sc_firsts[cp->cp_type] + cp->cp_unit; 920 921 ccb = cam_periph_getccb(periph, /*priority*/ 1); 922 923 scsi_position_to_element(&ccb->csio, 924 /* retries */ 1, 925 /* cbfcnp */ chdone, 926 /* tag_action */ MSG_SIMPLE_Q_TAG, 927 /* tea */ softc->sc_picker, 928 /* dst */ dst, 929 /* invert */ (cp->cp_flags & CP_INVERT) ? 930 TRUE : FALSE, 931 /* sense_len */ SSD_FULL_SIZE, 932 /* timeout */ CH_TIMEOUT_POSITION_TO_ELEMENT); 933 934 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 935 /*sense_flags*/ SF_RETRY_UA, 936 softc->device_stats); 937 938 xpt_release_ccb(ccb); 939 940 return(error); 941 } 942 943 /* 944 * Copy a volume tag to a volume_tag struct, converting SCSI byte order 945 * to host native byte order in the volume serial number. The volume 946 * label as returned by the changer is transferred to user mode as 947 * nul-terminated string. Volume labels are truncated at the first 948 * space, as suggested by SCSI-2. 949 */ 950 static void 951 copy_voltag(struct changer_voltag *uvoltag, struct volume_tag *voltag) 952 { 953 int i; 954 for (i=0; i<CH_VOLTAG_MAXLEN; i++) { 955 char c = voltag->vif[i]; 956 if (c && c != ' ') 957 uvoltag->cv_volid[i] = c; 958 else 959 break; 960 } 961 uvoltag->cv_serial = scsi_2btoul(voltag->vsn); 962 } 963 964 /* 965 * Copy an an element status descriptor to a user-mode 966 * changer_element_status structure. 967 */ 968 969 static void 970 copy_element_status(struct ch_softc *softc, 971 u_int16_t flags, 972 struct read_element_status_descriptor *desc, 973 struct changer_element_status *ces) 974 { 975 u_int16_t eaddr = scsi_2btoul(desc->eaddr); 976 u_int16_t et; 977 978 ces->ces_int_addr = eaddr; 979 /* set up logical address in element status */ 980 for (et = CHET_MT; et <= CHET_DT; et++) { 981 if ((softc->sc_firsts[et] <= eaddr) 982 && ((softc->sc_firsts[et] + softc->sc_counts[et]) 983 > eaddr)) { 984 ces->ces_addr = eaddr - softc->sc_firsts[et]; 985 ces->ces_type = et; 986 break; 987 } 988 } 989 990 ces->ces_flags = desc->flags1; 991 992 ces->ces_sensecode = desc->sense_code; 993 ces->ces_sensequal = desc->sense_qual; 994 995 if (desc->flags2 & READ_ELEMENT_STATUS_INVERT) 996 ces->ces_flags |= CES_INVERT; 997 998 if (desc->flags2 & READ_ELEMENT_STATUS_SVALID) { 999 1000 eaddr = scsi_2btoul(desc->ssea); 1001 1002 /* convert source address to logical format */ 1003 for (et = CHET_MT; et <= CHET_DT; et++) { 1004 if ((softc->sc_firsts[et] <= eaddr) 1005 && ((softc->sc_firsts[et] + softc->sc_counts[et]) 1006 > eaddr)) { 1007 ces->ces_source_addr = 1008 eaddr - softc->sc_firsts[et]; 1009 ces->ces_source_type = et; 1010 ces->ces_flags |= CES_SOURCE_VALID; 1011 break; 1012 } 1013 } 1014 1015 if (!(ces->ces_flags & CES_SOURCE_VALID)) 1016 printf("ch: warning: could not map element source " 1017 "address %ud to a valid element type\n", 1018 eaddr); 1019 } 1020 1021 1022 if (flags & READ_ELEMENT_STATUS_PVOLTAG) 1023 copy_voltag(&(ces->ces_pvoltag), &(desc->pvoltag)); 1024 if (flags & READ_ELEMENT_STATUS_AVOLTAG) 1025 copy_voltag(&(ces->ces_avoltag), &(desc->avoltag)); 1026 1027 if (desc->dt_scsi_flags & READ_ELEMENT_STATUS_DT_IDVALID) { 1028 ces->ces_flags |= CES_SCSIID_VALID; 1029 ces->ces_scsi_id = desc->dt_scsi_addr; 1030 } 1031 1032 if (desc->dt_scsi_addr & READ_ELEMENT_STATUS_DT_LUVALID) { 1033 ces->ces_flags |= CES_LUN_VALID; 1034 ces->ces_scsi_lun = 1035 desc->dt_scsi_flags & READ_ELEMENT_STATUS_DT_LUNMASK; 1036 } 1037 } 1038 1039 static int 1040 chgetelemstatus(struct cam_periph *periph, 1041 struct changer_element_status_request *cesr) 1042 { 1043 struct read_element_status_header *st_hdr; 1044 struct read_element_status_page_header *pg_hdr; 1045 struct read_element_status_descriptor *desc; 1046 caddr_t data = NULL; 1047 size_t size, desclen; 1048 int avail, i, error = 0; 1049 struct changer_element_status *user_data = NULL; 1050 struct ch_softc *softc; 1051 union ccb *ccb; 1052 int chet = cesr->cesr_element_type; 1053 int want_voltags = (cesr->cesr_flags & CESR_VOLTAGS) ? 1 : 0; 1054 1055 softc = (struct ch_softc *)periph->softc; 1056 1057 /* perform argument checking */ 1058 1059 /* 1060 * Perform a range check on the cesr_element_{base,count} 1061 * request argument fields. 1062 */ 1063 if ((softc->sc_counts[chet] - cesr->cesr_element_base) <= 0 1064 || (cesr->cesr_element_base + cesr->cesr_element_count) 1065 > softc->sc_counts[chet]) 1066 return (EINVAL); 1067 1068 /* 1069 * Request one descriptor for the given element type. This 1070 * is used to determine the size of the descriptor so that 1071 * we can allocate enough storage for all of them. We assume 1072 * that the first one can fit into 1k. 1073 */ 1074 cam_periph_unlock(periph); 1075 data = (caddr_t)malloc(1024, M_DEVBUF, M_WAITOK); 1076 1077 cam_periph_lock(periph); 1078 ccb = cam_periph_getccb(periph, /*priority*/ 1); 1079 1080 scsi_read_element_status(&ccb->csio, 1081 /* retries */ 1, 1082 /* cbfcnp */ chdone, 1083 /* tag_action */ MSG_SIMPLE_Q_TAG, 1084 /* voltag */ want_voltags, 1085 /* sea */ softc->sc_firsts[chet], 1086 /* count */ 1, 1087 /* data_ptr */ data, 1088 /* dxfer_len */ 1024, 1089 /* sense_len */ SSD_FULL_SIZE, 1090 /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS); 1091 1092 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1093 /*sense_flags*/ SF_RETRY_UA, 1094 softc->device_stats); 1095 1096 if (error) 1097 goto done; 1098 cam_periph_unlock(periph); 1099 1100 st_hdr = (struct read_element_status_header *)data; 1101 pg_hdr = (struct read_element_status_page_header *)((uintptr_t)st_hdr + 1102 sizeof(struct read_element_status_header)); 1103 desclen = scsi_2btoul(pg_hdr->edl); 1104 1105 size = sizeof(struct read_element_status_header) + 1106 sizeof(struct read_element_status_page_header) + 1107 (desclen * cesr->cesr_element_count); 1108 1109 /* 1110 * Reallocate storage for descriptors and get them from the 1111 * device. 1112 */ 1113 free(data, M_DEVBUF); 1114 data = (caddr_t)malloc(size, M_DEVBUF, M_WAITOK); 1115 1116 cam_periph_lock(periph); 1117 scsi_read_element_status(&ccb->csio, 1118 /* retries */ 1, 1119 /* cbfcnp */ chdone, 1120 /* tag_action */ MSG_SIMPLE_Q_TAG, 1121 /* voltag */ want_voltags, 1122 /* sea */ softc->sc_firsts[chet] 1123 + cesr->cesr_element_base, 1124 /* count */ cesr->cesr_element_count, 1125 /* data_ptr */ data, 1126 /* dxfer_len */ size, 1127 /* sense_len */ SSD_FULL_SIZE, 1128 /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS); 1129 1130 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1131 /*sense_flags*/ SF_RETRY_UA, 1132 softc->device_stats); 1133 1134 if (error) 1135 goto done; 1136 cam_periph_unlock(periph); 1137 1138 /* 1139 * Fill in the user status array. 1140 */ 1141 st_hdr = (struct read_element_status_header *)data; 1142 pg_hdr = (struct read_element_status_page_header *)((uintptr_t)st_hdr + 1143 sizeof(struct read_element_status_header)); 1144 avail = scsi_2btoul(st_hdr->count); 1145 1146 if (avail != cesr->cesr_element_count) { 1147 xpt_print(periph->path, 1148 "warning, READ ELEMENT STATUS avail != count\n"); 1149 } 1150 1151 user_data = (struct changer_element_status *) 1152 malloc(avail * sizeof(struct changer_element_status), 1153 M_DEVBUF, M_WAITOK | M_ZERO); 1154 1155 desc = (struct read_element_status_descriptor *)((uintptr_t)data + 1156 sizeof(struct read_element_status_header) + 1157 sizeof(struct read_element_status_page_header)); 1158 /* 1159 * Set up the individual element status structures 1160 */ 1161 for (i = 0; i < avail; ++i) { 1162 struct changer_element_status *ces = &(user_data[i]); 1163 1164 copy_element_status(softc, pg_hdr->flags, desc, ces); 1165 1166 desc = (struct read_element_status_descriptor *) 1167 ((uintptr_t)desc + desclen); 1168 } 1169 1170 /* Copy element status structures out to userspace. */ 1171 error = copyout(user_data, 1172 cesr->cesr_element_status, 1173 avail * sizeof(struct changer_element_status)); 1174 cam_periph_lock(periph); 1175 1176 done: 1177 xpt_release_ccb(ccb); 1178 1179 if (data != NULL) 1180 free(data, M_DEVBUF); 1181 if (user_data != NULL) 1182 free(user_data, M_DEVBUF); 1183 1184 return (error); 1185 } 1186 1187 static int 1188 chielem(struct cam_periph *periph, 1189 unsigned int timeout) 1190 { 1191 union ccb *ccb; 1192 struct ch_softc *softc; 1193 int error; 1194 1195 if (!timeout) { 1196 timeout = CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS; 1197 } else { 1198 timeout *= 1000; 1199 } 1200 1201 error = 0; 1202 softc = (struct ch_softc *)periph->softc; 1203 1204 ccb = cam_periph_getccb(periph, /*priority*/ 1); 1205 1206 scsi_initialize_element_status(&ccb->csio, 1207 /* retries */ 1, 1208 /* cbfcnp */ chdone, 1209 /* tag_action */ MSG_SIMPLE_Q_TAG, 1210 /* sense_len */ SSD_FULL_SIZE, 1211 /* timeout */ timeout); 1212 1213 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1214 /*sense_flags*/ SF_RETRY_UA, 1215 softc->device_stats); 1216 1217 xpt_release_ccb(ccb); 1218 1219 return(error); 1220 } 1221 1222 static int 1223 chsetvoltag(struct cam_periph *periph, 1224 struct changer_set_voltag_request *csvr) 1225 { 1226 union ccb *ccb; 1227 struct ch_softc *softc; 1228 u_int16_t ea; 1229 u_int8_t sac; 1230 struct scsi_send_volume_tag_parameters ssvtp; 1231 int error; 1232 int i; 1233 1234 error = 0; 1235 softc = (struct ch_softc *)periph->softc; 1236 1237 bzero(&ssvtp, sizeof(ssvtp)); 1238 for (i=0; i<sizeof(ssvtp.vitf); i++) { 1239 ssvtp.vitf[i] = ' '; 1240 } 1241 1242 /* 1243 * Check arguments. 1244 */ 1245 if (csvr->csvr_type > CHET_DT) 1246 return EINVAL; 1247 if (csvr->csvr_addr > (softc->sc_counts[csvr->csvr_type] - 1)) 1248 return ENODEV; 1249 1250 ea = softc->sc_firsts[csvr->csvr_type] + csvr->csvr_addr; 1251 1252 if (csvr->csvr_flags & CSVR_ALTERNATE) { 1253 switch (csvr->csvr_flags & CSVR_MODE_MASK) { 1254 case CSVR_MODE_SET: 1255 sac = SEND_VOLUME_TAG_ASSERT_ALTERNATE; 1256 break; 1257 case CSVR_MODE_REPLACE: 1258 sac = SEND_VOLUME_TAG_REPLACE_ALTERNATE; 1259 break; 1260 case CSVR_MODE_CLEAR: 1261 sac = SEND_VOLUME_TAG_UNDEFINED_ALTERNATE; 1262 break; 1263 default: 1264 error = EINVAL; 1265 goto out; 1266 } 1267 } else { 1268 switch (csvr->csvr_flags & CSVR_MODE_MASK) { 1269 case CSVR_MODE_SET: 1270 sac = SEND_VOLUME_TAG_ASSERT_PRIMARY; 1271 break; 1272 case CSVR_MODE_REPLACE: 1273 sac = SEND_VOLUME_TAG_REPLACE_PRIMARY; 1274 break; 1275 case CSVR_MODE_CLEAR: 1276 sac = SEND_VOLUME_TAG_UNDEFINED_PRIMARY; 1277 break; 1278 default: 1279 error = EINVAL; 1280 goto out; 1281 } 1282 } 1283 1284 memcpy(ssvtp.vitf, csvr->csvr_voltag.cv_volid, 1285 min(strlen(csvr->csvr_voltag.cv_volid), sizeof(ssvtp.vitf))); 1286 scsi_ulto2b(csvr->csvr_voltag.cv_serial, ssvtp.minvsn); 1287 1288 ccb = cam_periph_getccb(periph, /*priority*/ 1); 1289 1290 scsi_send_volume_tag(&ccb->csio, 1291 /* retries */ 1, 1292 /* cbfcnp */ chdone, 1293 /* tag_action */ MSG_SIMPLE_Q_TAG, 1294 /* element_address */ ea, 1295 /* send_action_code */ sac, 1296 /* parameters */ &ssvtp, 1297 /* sense_len */ SSD_FULL_SIZE, 1298 /* timeout */ CH_TIMEOUT_SEND_VOLTAG); 1299 1300 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1301 /*sense_flags*/ SF_RETRY_UA, 1302 softc->device_stats); 1303 1304 xpt_release_ccb(ccb); 1305 1306 out: 1307 return error; 1308 } 1309 1310 static int 1311 chgetparams(struct cam_periph *periph) 1312 { 1313 union ccb *ccb; 1314 struct ch_softc *softc; 1315 void *mode_buffer; 1316 int mode_buffer_len; 1317 struct page_element_address_assignment *ea; 1318 struct page_device_capabilities *cap; 1319 int error, from, dbd; 1320 u_int8_t *moves, *exchanges; 1321 1322 error = 0; 1323 1324 softc = (struct ch_softc *)periph->softc; 1325 1326 ccb = cam_periph_getccb(periph, /*priority*/ 1); 1327 1328 /* 1329 * The scsi_mode_sense_data structure is just a convenience 1330 * structure that allows us to easily calculate the worst-case 1331 * storage size of the mode sense buffer. 1332 */ 1333 mode_buffer_len = sizeof(struct scsi_mode_sense_data); 1334 1335 mode_buffer = malloc(mode_buffer_len, M_SCSICH, M_NOWAIT); 1336 1337 if (mode_buffer == NULL) { 1338 printf("chgetparams: couldn't malloc mode sense data\n"); 1339 return(ENOSPC); 1340 } 1341 1342 bzero(mode_buffer, mode_buffer_len); 1343 1344 if (softc->quirks & CH_Q_NO_DBD) 1345 dbd = FALSE; 1346 else 1347 dbd = TRUE; 1348 1349 /* 1350 * Get the element address assignment page. 1351 */ 1352 scsi_mode_sense(&ccb->csio, 1353 /* retries */ 1, 1354 /* cbfcnp */ chdone, 1355 /* tag_action */ MSG_SIMPLE_Q_TAG, 1356 /* dbd */ dbd, 1357 /* page_code */ SMS_PAGE_CTRL_CURRENT, 1358 /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE, 1359 /* param_buf */ (u_int8_t *)mode_buffer, 1360 /* param_len */ mode_buffer_len, 1361 /* sense_len */ SSD_FULL_SIZE, 1362 /* timeout */ CH_TIMEOUT_MODE_SENSE); 1363 1364 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1365 /* sense_flags */ SF_RETRY_UA|SF_NO_PRINT, 1366 softc->device_stats); 1367 1368 if (error) { 1369 if (dbd) { 1370 struct scsi_mode_sense_6 *sms; 1371 1372 sms = (struct scsi_mode_sense_6 *) 1373 ccb->csio.cdb_io.cdb_bytes; 1374 1375 sms->byte2 &= ~SMS_DBD; 1376 error = cam_periph_runccb(ccb, cherror, 1377 /*cam_flags*/ CAM_RETRY_SELTO, 1378 /*sense_flags*/ SF_RETRY_UA, 1379 softc->device_stats); 1380 } else { 1381 /* 1382 * Since we disabled sense printing above, print 1383 * out the sense here since we got an error. 1384 */ 1385 scsi_sense_print(&ccb->csio); 1386 } 1387 1388 if (error) { 1389 xpt_print(periph->path, 1390 "chgetparams: error getting element " 1391 "address page\n"); 1392 xpt_release_ccb(ccb); 1393 free(mode_buffer, M_SCSICH); 1394 return(error); 1395 } 1396 } 1397 1398 ea = (struct page_element_address_assignment *) 1399 find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer); 1400 1401 softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea); 1402 softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte); 1403 softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea); 1404 softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse); 1405 softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea); 1406 softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee); 1407 softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea); 1408 softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte); 1409 1410 bzero(mode_buffer, mode_buffer_len); 1411 1412 /* 1413 * Now get the device capabilities page. 1414 */ 1415 scsi_mode_sense(&ccb->csio, 1416 /* retries */ 1, 1417 /* cbfcnp */ chdone, 1418 /* tag_action */ MSG_SIMPLE_Q_TAG, 1419 /* dbd */ dbd, 1420 /* page_code */ SMS_PAGE_CTRL_CURRENT, 1421 /* page */ CH_DEVICE_CAP_PAGE, 1422 /* param_buf */ (u_int8_t *)mode_buffer, 1423 /* param_len */ mode_buffer_len, 1424 /* sense_len */ SSD_FULL_SIZE, 1425 /* timeout */ CH_TIMEOUT_MODE_SENSE); 1426 1427 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1428 /* sense_flags */ SF_RETRY_UA | SF_NO_PRINT, 1429 softc->device_stats); 1430 1431 if (error) { 1432 if (dbd) { 1433 struct scsi_mode_sense_6 *sms; 1434 1435 sms = (struct scsi_mode_sense_6 *) 1436 ccb->csio.cdb_io.cdb_bytes; 1437 1438 sms->byte2 &= ~SMS_DBD; 1439 error = cam_periph_runccb(ccb, cherror, 1440 /*cam_flags*/ CAM_RETRY_SELTO, 1441 /*sense_flags*/ SF_RETRY_UA, 1442 softc->device_stats); 1443 } else { 1444 /* 1445 * Since we disabled sense printing above, print 1446 * out the sense here since we got an error. 1447 */ 1448 scsi_sense_print(&ccb->csio); 1449 } 1450 1451 if (error) { 1452 xpt_print(periph->path, 1453 "chgetparams: error getting device " 1454 "capabilities page\n"); 1455 xpt_release_ccb(ccb); 1456 free(mode_buffer, M_SCSICH); 1457 return(error); 1458 } 1459 } 1460 1461 xpt_release_ccb(ccb); 1462 1463 cap = (struct page_device_capabilities *) 1464 find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer); 1465 1466 bzero(softc->sc_movemask, sizeof(softc->sc_movemask)); 1467 bzero(softc->sc_exchangemask, sizeof(softc->sc_exchangemask)); 1468 moves = cap->move_from; 1469 exchanges = cap->exchange_with; 1470 for (from = CHET_MT; from <= CHET_MAX; ++from) { 1471 softc->sc_movemask[from] = moves[from]; 1472 softc->sc_exchangemask[from] = exchanges[from]; 1473 } 1474 1475 free(mode_buffer, M_SCSICH); 1476 1477 return(error); 1478 } 1479 1480 void 1481 scsi_move_medium(struct ccb_scsiio *csio, u_int32_t retries, 1482 void (*cbfcnp)(struct cam_periph *, union ccb *), 1483 u_int8_t tag_action, u_int32_t tea, u_int32_t src, 1484 u_int32_t dst, int invert, u_int8_t sense_len, 1485 u_int32_t timeout) 1486 { 1487 struct scsi_move_medium *scsi_cmd; 1488 1489 scsi_cmd = (struct scsi_move_medium *)&csio->cdb_io.cdb_bytes; 1490 bzero(scsi_cmd, sizeof(*scsi_cmd)); 1491 1492 scsi_cmd->opcode = MOVE_MEDIUM; 1493 1494 scsi_ulto2b(tea, scsi_cmd->tea); 1495 scsi_ulto2b(src, scsi_cmd->src); 1496 scsi_ulto2b(dst, scsi_cmd->dst); 1497 1498 if (invert) 1499 scsi_cmd->invert |= MOVE_MEDIUM_INVERT; 1500 1501 cam_fill_csio(csio, 1502 retries, 1503 cbfcnp, 1504 /*flags*/ CAM_DIR_NONE, 1505 tag_action, 1506 /*data_ptr*/ NULL, 1507 /*dxfer_len*/ 0, 1508 sense_len, 1509 sizeof(*scsi_cmd), 1510 timeout); 1511 } 1512 1513 void 1514 scsi_exchange_medium(struct ccb_scsiio *csio, u_int32_t retries, 1515 void (*cbfcnp)(struct cam_periph *, union ccb *), 1516 u_int8_t tag_action, u_int32_t tea, u_int32_t src, 1517 u_int32_t dst1, u_int32_t dst2, int invert1, 1518 int invert2, u_int8_t sense_len, u_int32_t timeout) 1519 { 1520 struct scsi_exchange_medium *scsi_cmd; 1521 1522 scsi_cmd = (struct scsi_exchange_medium *)&csio->cdb_io.cdb_bytes; 1523 bzero(scsi_cmd, sizeof(*scsi_cmd)); 1524 1525 scsi_cmd->opcode = EXCHANGE_MEDIUM; 1526 1527 scsi_ulto2b(tea, scsi_cmd->tea); 1528 scsi_ulto2b(src, scsi_cmd->src); 1529 scsi_ulto2b(dst1, scsi_cmd->fdst); 1530 scsi_ulto2b(dst2, scsi_cmd->sdst); 1531 1532 if (invert1) 1533 scsi_cmd->invert |= EXCHANGE_MEDIUM_INV1; 1534 1535 if (invert2) 1536 scsi_cmd->invert |= EXCHANGE_MEDIUM_INV2; 1537 1538 cam_fill_csio(csio, 1539 retries, 1540 cbfcnp, 1541 /*flags*/ CAM_DIR_NONE, 1542 tag_action, 1543 /*data_ptr*/ NULL, 1544 /*dxfer_len*/ 0, 1545 sense_len, 1546 sizeof(*scsi_cmd), 1547 timeout); 1548 } 1549 1550 void 1551 scsi_position_to_element(struct ccb_scsiio *csio, u_int32_t retries, 1552 void (*cbfcnp)(struct cam_periph *, union ccb *), 1553 u_int8_t tag_action, u_int32_t tea, u_int32_t dst, 1554 int invert, u_int8_t sense_len, u_int32_t timeout) 1555 { 1556 struct scsi_position_to_element *scsi_cmd; 1557 1558 scsi_cmd = (struct scsi_position_to_element *)&csio->cdb_io.cdb_bytes; 1559 bzero(scsi_cmd, sizeof(*scsi_cmd)); 1560 1561 scsi_cmd->opcode = POSITION_TO_ELEMENT; 1562 1563 scsi_ulto2b(tea, scsi_cmd->tea); 1564 scsi_ulto2b(dst, scsi_cmd->dst); 1565 1566 if (invert) 1567 scsi_cmd->invert |= POSITION_TO_ELEMENT_INVERT; 1568 1569 cam_fill_csio(csio, 1570 retries, 1571 cbfcnp, 1572 /*flags*/ CAM_DIR_NONE, 1573 tag_action, 1574 /*data_ptr*/ NULL, 1575 /*dxfer_len*/ 0, 1576 sense_len, 1577 sizeof(*scsi_cmd), 1578 timeout); 1579 } 1580 1581 void 1582 scsi_read_element_status(struct ccb_scsiio *csio, u_int32_t retries, 1583 void (*cbfcnp)(struct cam_periph *, union ccb *), 1584 u_int8_t tag_action, int voltag, u_int32_t sea, 1585 u_int32_t count, u_int8_t *data_ptr, 1586 u_int32_t dxfer_len, u_int8_t sense_len, 1587 u_int32_t timeout) 1588 { 1589 struct scsi_read_element_status *scsi_cmd; 1590 1591 scsi_cmd = (struct scsi_read_element_status *)&csio->cdb_io.cdb_bytes; 1592 bzero(scsi_cmd, sizeof(*scsi_cmd)); 1593 1594 scsi_cmd->opcode = READ_ELEMENT_STATUS; 1595 1596 scsi_ulto2b(sea, scsi_cmd->sea); 1597 scsi_ulto2b(count, scsi_cmd->count); 1598 scsi_ulto3b(dxfer_len, scsi_cmd->len); 1599 1600 if (voltag) 1601 scsi_cmd->byte2 |= READ_ELEMENT_STATUS_VOLTAG; 1602 1603 cam_fill_csio(csio, 1604 retries, 1605 cbfcnp, 1606 /*flags*/ CAM_DIR_IN, 1607 tag_action, 1608 data_ptr, 1609 dxfer_len, 1610 sense_len, 1611 sizeof(*scsi_cmd), 1612 timeout); 1613 } 1614 1615 void 1616 scsi_initialize_element_status(struct ccb_scsiio *csio, u_int32_t retries, 1617 void (*cbfcnp)(struct cam_periph *, union ccb *), 1618 u_int8_t tag_action, u_int8_t sense_len, 1619 u_int32_t timeout) 1620 { 1621 struct scsi_initialize_element_status *scsi_cmd; 1622 1623 scsi_cmd = (struct scsi_initialize_element_status *) 1624 &csio->cdb_io.cdb_bytes; 1625 bzero(scsi_cmd, sizeof(*scsi_cmd)); 1626 1627 scsi_cmd->opcode = INITIALIZE_ELEMENT_STATUS; 1628 1629 cam_fill_csio(csio, 1630 retries, 1631 cbfcnp, 1632 /*flags*/ CAM_DIR_NONE, 1633 tag_action, 1634 /* data_ptr */ NULL, 1635 /* dxfer_len */ 0, 1636 sense_len, 1637 sizeof(*scsi_cmd), 1638 timeout); 1639 } 1640 1641 void 1642 scsi_send_volume_tag(struct ccb_scsiio *csio, u_int32_t retries, 1643 void (*cbfcnp)(struct cam_periph *, union ccb *), 1644 u_int8_t tag_action, 1645 u_int16_t element_address, 1646 u_int8_t send_action_code, 1647 struct scsi_send_volume_tag_parameters *parameters, 1648 u_int8_t sense_len, u_int32_t timeout) 1649 { 1650 struct scsi_send_volume_tag *scsi_cmd; 1651 1652 scsi_cmd = (struct scsi_send_volume_tag *) &csio->cdb_io.cdb_bytes; 1653 bzero(scsi_cmd, sizeof(*scsi_cmd)); 1654 1655 scsi_cmd->opcode = SEND_VOLUME_TAG; 1656 scsi_ulto2b(element_address, scsi_cmd->ea); 1657 scsi_cmd->sac = send_action_code; 1658 scsi_ulto2b(sizeof(*parameters), scsi_cmd->pll); 1659 1660 cam_fill_csio(csio, 1661 retries, 1662 cbfcnp, 1663 /*flags*/ CAM_DIR_OUT, 1664 tag_action, 1665 /* data_ptr */ (u_int8_t *) parameters, 1666 sizeof(*parameters), 1667 sense_len, 1668 sizeof(*scsi_cmd), 1669 timeout); 1670 } 1671