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 (SID_TYPE(&cgd->inq_data)!= T_CHANGER) 291 break; 292 293 /* 294 * Allocate a peripheral instance for 295 * this device and start the probe 296 * process. 297 */ 298 status = cam_periph_alloc(chregister, choninvalidate, 299 chcleanup, chstart, "ch", 300 CAM_PERIPH_BIO, cgd->ccb_h.path, 301 chasync, AC_FOUND_DEVICE, cgd); 302 303 if (status != CAM_REQ_CMP 304 && status != CAM_REQ_INPROG) 305 printf("chasync: Unable to probe new device " 306 "due to status 0x%x\n", status); 307 308 break; 309 310 } 311 default: 312 cam_periph_async(periph, code, path, arg); 313 break; 314 } 315 } 316 317 static cam_status 318 chregister(struct cam_periph *periph, void *arg) 319 { 320 struct ch_softc *softc; 321 struct ccb_getdev *cgd; 322 323 cgd = (struct ccb_getdev *)arg; 324 if (periph == NULL) { 325 printf("chregister: periph was NULL!!\n"); 326 return(CAM_REQ_CMP_ERR); 327 } 328 329 if (cgd == NULL) { 330 printf("chregister: no getdev CCB, can't register device\n"); 331 return(CAM_REQ_CMP_ERR); 332 } 333 334 softc = (struct ch_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 335 336 if (softc == NULL) { 337 printf("chregister: Unable to probe new device. " 338 "Unable to allocate softc\n"); 339 return(CAM_REQ_CMP_ERR); 340 } 341 342 bzero(softc, sizeof(*softc)); 343 softc->state = CH_STATE_PROBE; 344 periph->softc = softc; 345 softc->quirks = CH_Q_NONE; 346 347 /* 348 * Changers don't have a blocksize, and obviously don't support 349 * tagged queueing. 350 */ 351 cam_periph_unlock(periph); 352 softc->device_stats = devstat_new_entry("ch", 353 periph->unit_number, 0, 354 DEVSTAT_NO_BLOCKSIZE | DEVSTAT_NO_ORDERED_TAGS, 355 SID_TYPE(&cgd->inq_data)| DEVSTAT_TYPE_IF_SCSI, 356 DEVSTAT_PRIORITY_OTHER); 357 358 /* Register the device */ 359 softc->dev = make_dev(&ch_cdevsw, periph->unit_number, UID_ROOT, 360 GID_OPERATOR, 0600, "%s%d", periph->periph_name, 361 periph->unit_number); 362 cam_periph_lock(periph); 363 softc->dev->si_drv1 = periph; 364 365 /* 366 * Add an async callback so that we get 367 * notified if this device goes away. 368 */ 369 xpt_register_async(AC_LOST_DEVICE, chasync, periph, periph->path); 370 371 /* 372 * Lock this periph until we are setup. 373 * This first call can't block 374 */ 375 (void)cam_periph_hold(periph, PRIBIO); 376 xpt_schedule(periph, /*priority*/5); 377 378 return(CAM_REQ_CMP); 379 } 380 381 static int 382 chopen(struct cdev *dev, int flags, int fmt, struct thread *td) 383 { 384 struct cam_periph *periph; 385 struct ch_softc *softc; 386 int error; 387 388 periph = (struct cam_periph *)dev->si_drv1; 389 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 390 return (ENXIO); 391 392 softc = (struct ch_softc *)periph->softc; 393 394 cam_periph_lock(periph); 395 396 if (softc->flags & CH_FLAG_INVALID) { 397 cam_periph_unlock(periph); 398 cam_periph_release(periph); 399 return(ENXIO); 400 } 401 402 if ((softc->flags & CH_FLAG_OPEN) == 0) 403 softc->flags |= CH_FLAG_OPEN; 404 else 405 cam_periph_release(periph); 406 407 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 408 cam_periph_unlock(periph); 409 cam_periph_release(periph); 410 return (error); 411 } 412 413 /* 414 * Load information about this changer device into the softc. 415 */ 416 if ((error = chgetparams(periph)) != 0) { 417 softc->flags &= ~CH_FLAG_OPEN; 418 cam_periph_unlock(periph); 419 cam_periph_release(periph); 420 return(error); 421 } 422 423 cam_periph_unhold(periph); 424 cam_periph_unlock(periph); 425 426 return(error); 427 } 428 429 static int 430 chclose(struct cdev *dev, int flag, int fmt, struct thread *td) 431 { 432 struct cam_periph *periph; 433 struct ch_softc *softc; 434 int error; 435 436 error = 0; 437 438 periph = (struct cam_periph *)dev->si_drv1; 439 if (periph == NULL) 440 return(ENXIO); 441 442 softc = (struct ch_softc *)periph->softc; 443 444 cam_periph_lock(periph); 445 446 softc->flags &= ~CH_FLAG_OPEN; 447 448 cam_periph_unlock(periph); 449 cam_periph_release(periph); 450 451 return(0); 452 } 453 454 static void 455 chstart(struct cam_periph *periph, union ccb *start_ccb) 456 { 457 struct ch_softc *softc; 458 459 softc = (struct ch_softc *)periph->softc; 460 461 switch (softc->state) { 462 case CH_STATE_NORMAL: 463 { 464 if (periph->immediate_priority <= periph->pinfo.priority){ 465 start_ccb->ccb_h.ccb_state = CH_CCB_WAITING; 466 467 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 468 periph_links.sle); 469 periph->immediate_priority = CAM_PRIORITY_NONE; 470 wakeup(&periph->ccb_list); 471 } 472 break; 473 } 474 case CH_STATE_PROBE: 475 { 476 int mode_buffer_len; 477 void *mode_buffer; 478 479 /* 480 * Include the block descriptor when calculating the mode 481 * buffer length, 482 */ 483 mode_buffer_len = sizeof(struct scsi_mode_header_6) + 484 sizeof(struct scsi_mode_blk_desc) + 485 sizeof(struct page_element_address_assignment); 486 487 mode_buffer = malloc(mode_buffer_len, M_SCSICH, M_NOWAIT); 488 489 if (mode_buffer == NULL) { 490 printf("chstart: couldn't malloc mode sense data\n"); 491 break; 492 } 493 bzero(mode_buffer, mode_buffer_len); 494 495 /* 496 * Get the element address assignment page. 497 */ 498 scsi_mode_sense(&start_ccb->csio, 499 /* retries */ 1, 500 /* cbfcnp */ chdone, 501 /* tag_action */ MSG_SIMPLE_Q_TAG, 502 /* dbd */ (softc->quirks & CH_Q_NO_DBD) ? 503 FALSE : TRUE, 504 /* page_code */ SMS_PAGE_CTRL_CURRENT, 505 /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE, 506 /* param_buf */ (u_int8_t *)mode_buffer, 507 /* param_len */ mode_buffer_len, 508 /* sense_len */ SSD_FULL_SIZE, 509 /* timeout */ CH_TIMEOUT_MODE_SENSE); 510 511 start_ccb->ccb_h.ccb_bp = NULL; 512 start_ccb->ccb_h.ccb_state = CH_CCB_PROBE; 513 xpt_action(start_ccb); 514 break; 515 } 516 } 517 } 518 519 static void 520 chdone(struct cam_periph *periph, union ccb *done_ccb) 521 { 522 struct ch_softc *softc; 523 struct ccb_scsiio *csio; 524 525 softc = (struct ch_softc *)periph->softc; 526 csio = &done_ccb->csio; 527 528 switch(done_ccb->ccb_h.ccb_state) { 529 case CH_CCB_PROBE: 530 { 531 struct scsi_mode_header_6 *mode_header; 532 struct page_element_address_assignment *ea; 533 char announce_buf[80]; 534 535 536 mode_header = (struct scsi_mode_header_6 *)csio->data_ptr; 537 538 ea = (struct page_element_address_assignment *) 539 find_mode_page_6(mode_header); 540 541 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP){ 542 543 softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea); 544 softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte); 545 softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea); 546 softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse); 547 softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea); 548 softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee); 549 softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea); 550 softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte); 551 softc->sc_picker = softc->sc_firsts[CHET_MT]; 552 553 #define PLURAL(c) (c) == 1 ? "" : "s" 554 snprintf(announce_buf, sizeof(announce_buf), 555 "%d slot%s, %d drive%s, " 556 "%d picker%s, %d portal%s", 557 softc->sc_counts[CHET_ST], 558 PLURAL(softc->sc_counts[CHET_ST]), 559 softc->sc_counts[CHET_DT], 560 PLURAL(softc->sc_counts[CHET_DT]), 561 softc->sc_counts[CHET_MT], 562 PLURAL(softc->sc_counts[CHET_MT]), 563 softc->sc_counts[CHET_IE], 564 PLURAL(softc->sc_counts[CHET_IE])); 565 #undef PLURAL 566 } else { 567 int error; 568 569 error = cherror(done_ccb, CAM_RETRY_SELTO, 570 SF_RETRY_UA | SF_NO_PRINT); 571 /* 572 * Retry any UNIT ATTENTION type errors. They 573 * are expected at boot. 574 */ 575 if (error == ERESTART) { 576 /* 577 * A retry was scheuled, so 578 * just return. 579 */ 580 return; 581 } else if (error != 0) { 582 int retry_scheduled; 583 struct scsi_mode_sense_6 *sms; 584 585 sms = (struct scsi_mode_sense_6 *) 586 done_ccb->csio.cdb_io.cdb_bytes; 587 588 /* 589 * Check to see if block descriptors were 590 * disabled. Some devices don't like that. 591 * We're taking advantage of the fact that 592 * the first few bytes of the 6 and 10 byte 593 * mode sense commands are the same. If 594 * block descriptors were disabled, enable 595 * them and re-send the command. 596 */ 597 if (sms->byte2 & SMS_DBD) { 598 sms->byte2 &= ~SMS_DBD; 599 xpt_action(done_ccb); 600 softc->quirks |= CH_Q_NO_DBD; 601 retry_scheduled = 1; 602 } else 603 retry_scheduled = 0; 604 605 /* Don't wedge this device's queue */ 606 cam_release_devq(done_ccb->ccb_h.path, 607 /*relsim_flags*/0, 608 /*reduction*/0, 609 /*timeout*/0, 610 /*getcount_only*/0); 611 612 if (retry_scheduled) 613 return; 614 615 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) 616 == CAM_SCSI_STATUS_ERROR) 617 scsi_sense_print(&done_ccb->csio); 618 else { 619 xpt_print(periph->path, 620 "got CAM status %#x\n", 621 done_ccb->ccb_h.status); 622 } 623 xpt_print(periph->path, "fatal error, failed " 624 "to attach to device\n"); 625 626 cam_periph_invalidate(periph); 627 628 announce_buf[0] = '\0'; 629 } 630 } 631 if (announce_buf[0] != '\0') 632 xpt_announce_periph(periph, announce_buf); 633 softc->state = CH_STATE_NORMAL; 634 free(mode_header, M_SCSICH); 635 /* 636 * Since our peripheral may be invalidated by an error 637 * above or an external event, we must release our CCB 638 * before releasing the probe lock on the peripheral. 639 * The peripheral will only go away once the last lock 640 * is removed, and we need it around for the CCB release 641 * operation. 642 */ 643 xpt_release_ccb(done_ccb); 644 cam_periph_unhold(periph); 645 return; 646 } 647 case CH_CCB_WAITING: 648 { 649 /* Caller will release the CCB */ 650 wakeup(&done_ccb->ccb_h.cbfcnp); 651 return; 652 } 653 default: 654 break; 655 } 656 xpt_release_ccb(done_ccb); 657 } 658 659 static int 660 cherror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 661 { 662 struct ch_softc *softc; 663 struct cam_periph *periph; 664 665 periph = xpt_path_periph(ccb->ccb_h.path); 666 softc = (struct ch_softc *)periph->softc; 667 668 return (cam_periph_error(ccb, cam_flags, sense_flags, 669 &softc->saved_ccb)); 670 } 671 672 static int 673 chioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 674 { 675 struct cam_periph *periph; 676 struct ch_softc *softc; 677 int error; 678 679 periph = (struct cam_periph *)dev->si_drv1; 680 if (periph == NULL) 681 return(ENXIO); 682 683 cam_periph_lock(periph); 684 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering chioctl\n")); 685 686 softc = (struct ch_softc *)periph->softc; 687 688 error = 0; 689 690 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 691 ("trying to do ioctl %#lx\n", cmd)); 692 693 /* 694 * If this command can change the device's state, we must 695 * have the device open for writing. 696 */ 697 switch (cmd) { 698 case CHIOGPICKER: 699 case CHIOGPARAMS: 700 case CHIOGSTATUS: 701 break; 702 703 default: 704 if ((flag & FWRITE) == 0) { 705 cam_periph_unlock(periph); 706 return (EBADF); 707 } 708 } 709 710 switch (cmd) { 711 case CHIOMOVE: 712 error = chmove(periph, (struct changer_move *)addr); 713 break; 714 715 case CHIOEXCHANGE: 716 error = chexchange(periph, (struct changer_exchange *)addr); 717 break; 718 719 case CHIOPOSITION: 720 error = chposition(periph, (struct changer_position *)addr); 721 break; 722 723 case CHIOGPICKER: 724 *(int *)addr = softc->sc_picker - softc->sc_firsts[CHET_MT]; 725 break; 726 727 case CHIOSPICKER: 728 { 729 int new_picker = *(int *)addr; 730 731 if (new_picker > (softc->sc_counts[CHET_MT] - 1)) { 732 error = EINVAL; 733 break; 734 } 735 softc->sc_picker = softc->sc_firsts[CHET_MT] + new_picker; 736 break; 737 } 738 case CHIOGPARAMS: 739 { 740 struct changer_params *cp = (struct changer_params *)addr; 741 742 cp->cp_npickers = softc->sc_counts[CHET_MT]; 743 cp->cp_nslots = softc->sc_counts[CHET_ST]; 744 cp->cp_nportals = softc->sc_counts[CHET_IE]; 745 cp->cp_ndrives = softc->sc_counts[CHET_DT]; 746 break; 747 } 748 case CHIOIELEM: 749 error = chielem(periph, *(unsigned int *)addr); 750 break; 751 752 case CHIOGSTATUS: 753 { 754 error = chgetelemstatus(periph, 755 (struct changer_element_status_request *) addr); 756 break; 757 } 758 759 case CHIOSETVOLTAG: 760 { 761 error = chsetvoltag(periph, 762 (struct changer_set_voltag_request *) addr); 763 break; 764 } 765 766 /* Implement prevent/allow? */ 767 768 default: 769 error = cam_periph_ioctl(periph, cmd, addr, cherror); 770 break; 771 } 772 773 cam_periph_unlock(periph); 774 return (error); 775 } 776 777 static int 778 chmove(struct cam_periph *periph, struct changer_move *cm) 779 { 780 struct ch_softc *softc; 781 u_int16_t fromelem, toelem; 782 union ccb *ccb; 783 int error; 784 785 error = 0; 786 softc = (struct ch_softc *)periph->softc; 787 788 /* 789 * Check arguments. 790 */ 791 if ((cm->cm_fromtype > CHET_DT) || (cm->cm_totype > CHET_DT)) 792 return (EINVAL); 793 if ((cm->cm_fromunit > (softc->sc_counts[cm->cm_fromtype] - 1)) || 794 (cm->cm_tounit > (softc->sc_counts[cm->cm_totype] - 1))) 795 return (ENODEV); 796 797 /* 798 * Check the request against the changer's capabilities. 799 */ 800 if ((softc->sc_movemask[cm->cm_fromtype] & (1 << cm->cm_totype)) == 0) 801 return (ENODEV); 802 803 /* 804 * Calculate the source and destination elements. 805 */ 806 fromelem = softc->sc_firsts[cm->cm_fromtype] + cm->cm_fromunit; 807 toelem = softc->sc_firsts[cm->cm_totype] + cm->cm_tounit; 808 809 ccb = cam_periph_getccb(periph, /*priority*/ 1); 810 811 scsi_move_medium(&ccb->csio, 812 /* retries */ 1, 813 /* cbfcnp */ chdone, 814 /* tag_action */ MSG_SIMPLE_Q_TAG, 815 /* tea */ softc->sc_picker, 816 /* src */ fromelem, 817 /* dst */ toelem, 818 /* invert */ (cm->cm_flags & CM_INVERT) ? TRUE : FALSE, 819 /* sense_len */ SSD_FULL_SIZE, 820 /* timeout */ CH_TIMEOUT_MOVE_MEDIUM); 821 822 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/CAM_RETRY_SELTO, 823 /*sense_flags*/ SF_RETRY_UA, 824 softc->device_stats); 825 826 xpt_release_ccb(ccb); 827 828 return(error); 829 } 830 831 static int 832 chexchange(struct cam_periph *periph, struct changer_exchange *ce) 833 { 834 struct ch_softc *softc; 835 u_int16_t src, dst1, dst2; 836 union ccb *ccb; 837 int error; 838 839 error = 0; 840 softc = (struct ch_softc *)periph->softc; 841 /* 842 * Check arguments. 843 */ 844 if ((ce->ce_srctype > CHET_DT) || (ce->ce_fdsttype > CHET_DT) || 845 (ce->ce_sdsttype > CHET_DT)) 846 return (EINVAL); 847 if ((ce->ce_srcunit > (softc->sc_counts[ce->ce_srctype] - 1)) || 848 (ce->ce_fdstunit > (softc->sc_counts[ce->ce_fdsttype] - 1)) || 849 (ce->ce_sdstunit > (softc->sc_counts[ce->ce_sdsttype] - 1))) 850 return (ENODEV); 851 852 /* 853 * Check the request against the changer's capabilities. 854 */ 855 if (((softc->sc_exchangemask[ce->ce_srctype] & 856 (1 << ce->ce_fdsttype)) == 0) || 857 ((softc->sc_exchangemask[ce->ce_fdsttype] & 858 (1 << ce->ce_sdsttype)) == 0)) 859 return (ENODEV); 860 861 /* 862 * Calculate the source and destination elements. 863 */ 864 src = softc->sc_firsts[ce->ce_srctype] + ce->ce_srcunit; 865 dst1 = softc->sc_firsts[ce->ce_fdsttype] + ce->ce_fdstunit; 866 dst2 = softc->sc_firsts[ce->ce_sdsttype] + ce->ce_sdstunit; 867 868 ccb = cam_periph_getccb(periph, /*priority*/ 1); 869 870 scsi_exchange_medium(&ccb->csio, 871 /* retries */ 1, 872 /* cbfcnp */ chdone, 873 /* tag_action */ MSG_SIMPLE_Q_TAG, 874 /* tea */ softc->sc_picker, 875 /* src */ src, 876 /* dst1 */ dst1, 877 /* dst2 */ dst2, 878 /* invert1 */ (ce->ce_flags & CE_INVERT1) ? 879 TRUE : FALSE, 880 /* invert2 */ (ce->ce_flags & CE_INVERT2) ? 881 TRUE : FALSE, 882 /* sense_len */ SSD_FULL_SIZE, 883 /* timeout */ CH_TIMEOUT_EXCHANGE_MEDIUM); 884 885 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/CAM_RETRY_SELTO, 886 /*sense_flags*/ SF_RETRY_UA, 887 softc->device_stats); 888 889 xpt_release_ccb(ccb); 890 891 return(error); 892 } 893 894 static int 895 chposition(struct cam_periph *periph, struct changer_position *cp) 896 { 897 struct ch_softc *softc; 898 u_int16_t dst; 899 union ccb *ccb; 900 int error; 901 902 error = 0; 903 softc = (struct ch_softc *)periph->softc; 904 905 /* 906 * Check arguments. 907 */ 908 if (cp->cp_type > CHET_DT) 909 return (EINVAL); 910 if (cp->cp_unit > (softc->sc_counts[cp->cp_type] - 1)) 911 return (ENODEV); 912 913 /* 914 * Calculate the destination element. 915 */ 916 dst = softc->sc_firsts[cp->cp_type] + cp->cp_unit; 917 918 ccb = cam_periph_getccb(periph, /*priority*/ 1); 919 920 scsi_position_to_element(&ccb->csio, 921 /* retries */ 1, 922 /* cbfcnp */ chdone, 923 /* tag_action */ MSG_SIMPLE_Q_TAG, 924 /* tea */ softc->sc_picker, 925 /* dst */ dst, 926 /* invert */ (cp->cp_flags & CP_INVERT) ? 927 TRUE : FALSE, 928 /* sense_len */ SSD_FULL_SIZE, 929 /* timeout */ CH_TIMEOUT_POSITION_TO_ELEMENT); 930 931 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 932 /*sense_flags*/ SF_RETRY_UA, 933 softc->device_stats); 934 935 xpt_release_ccb(ccb); 936 937 return(error); 938 } 939 940 /* 941 * Copy a volume tag to a volume_tag struct, converting SCSI byte order 942 * to host native byte order in the volume serial number. The volume 943 * label as returned by the changer is transferred to user mode as 944 * nul-terminated string. Volume labels are truncated at the first 945 * space, as suggested by SCSI-2. 946 */ 947 static void 948 copy_voltag(struct changer_voltag *uvoltag, struct volume_tag *voltag) 949 { 950 int i; 951 for (i=0; i<CH_VOLTAG_MAXLEN; i++) { 952 char c = voltag->vif[i]; 953 if (c && c != ' ') 954 uvoltag->cv_volid[i] = c; 955 else 956 break; 957 } 958 uvoltag->cv_serial = scsi_2btoul(voltag->vsn); 959 } 960 961 /* 962 * Copy an an element status descriptor to a user-mode 963 * changer_element_status structure. 964 */ 965 966 static void 967 copy_element_status(struct ch_softc *softc, 968 u_int16_t flags, 969 struct read_element_status_descriptor *desc, 970 struct changer_element_status *ces) 971 { 972 u_int16_t eaddr = scsi_2btoul(desc->eaddr); 973 u_int16_t et; 974 975 ces->ces_int_addr = eaddr; 976 /* set up logical address in element status */ 977 for (et = CHET_MT; et <= CHET_DT; et++) { 978 if ((softc->sc_firsts[et] <= eaddr) 979 && ((softc->sc_firsts[et] + softc->sc_counts[et]) 980 > eaddr)) { 981 ces->ces_addr = eaddr - softc->sc_firsts[et]; 982 ces->ces_type = et; 983 break; 984 } 985 } 986 987 ces->ces_flags = desc->flags1; 988 989 ces->ces_sensecode = desc->sense_code; 990 ces->ces_sensequal = desc->sense_qual; 991 992 if (desc->flags2 & READ_ELEMENT_STATUS_INVERT) 993 ces->ces_flags |= CES_INVERT; 994 995 if (desc->flags2 & READ_ELEMENT_STATUS_SVALID) { 996 997 eaddr = scsi_2btoul(desc->ssea); 998 999 /* convert source address to logical format */ 1000 for (et = CHET_MT; et <= CHET_DT; et++) { 1001 if ((softc->sc_firsts[et] <= eaddr) 1002 && ((softc->sc_firsts[et] + softc->sc_counts[et]) 1003 > eaddr)) { 1004 ces->ces_source_addr = 1005 eaddr - softc->sc_firsts[et]; 1006 ces->ces_source_type = et; 1007 ces->ces_flags |= CES_SOURCE_VALID; 1008 break; 1009 } 1010 } 1011 1012 if (!(ces->ces_flags & CES_SOURCE_VALID)) 1013 printf("ch: warning: could not map element source " 1014 "address %ud to a valid element type\n", 1015 eaddr); 1016 } 1017 1018 1019 if (flags & READ_ELEMENT_STATUS_PVOLTAG) 1020 copy_voltag(&(ces->ces_pvoltag), &(desc->pvoltag)); 1021 if (flags & READ_ELEMENT_STATUS_AVOLTAG) 1022 copy_voltag(&(ces->ces_avoltag), &(desc->avoltag)); 1023 1024 if (desc->dt_scsi_flags & READ_ELEMENT_STATUS_DT_IDVALID) { 1025 ces->ces_flags |= CES_SCSIID_VALID; 1026 ces->ces_scsi_id = desc->dt_scsi_addr; 1027 } 1028 1029 if (desc->dt_scsi_addr & READ_ELEMENT_STATUS_DT_LUVALID) { 1030 ces->ces_flags |= CES_LUN_VALID; 1031 ces->ces_scsi_lun = 1032 desc->dt_scsi_flags & READ_ELEMENT_STATUS_DT_LUNMASK; 1033 } 1034 } 1035 1036 static int 1037 chgetelemstatus(struct cam_periph *periph, 1038 struct changer_element_status_request *cesr) 1039 { 1040 struct read_element_status_header *st_hdr; 1041 struct read_element_status_page_header *pg_hdr; 1042 struct read_element_status_descriptor *desc; 1043 caddr_t data = NULL; 1044 size_t size, desclen; 1045 int avail, i, error = 0; 1046 struct changer_element_status *user_data = NULL; 1047 struct ch_softc *softc; 1048 union ccb *ccb; 1049 int chet = cesr->cesr_element_type; 1050 int want_voltags = (cesr->cesr_flags & CESR_VOLTAGS) ? 1 : 0; 1051 1052 softc = (struct ch_softc *)periph->softc; 1053 1054 /* perform argument checking */ 1055 1056 /* 1057 * Perform a range check on the cesr_element_{base,count} 1058 * request argument fields. 1059 */ 1060 if ((softc->sc_counts[chet] - cesr->cesr_element_base) <= 0 1061 || (cesr->cesr_element_base + cesr->cesr_element_count) 1062 > softc->sc_counts[chet]) 1063 return (EINVAL); 1064 1065 /* 1066 * Request one descriptor for the given element type. This 1067 * is used to determine the size of the descriptor so that 1068 * we can allocate enough storage for all of them. We assume 1069 * that the first one can fit into 1k. 1070 */ 1071 cam_periph_unlock(periph); 1072 data = (caddr_t)malloc(1024, M_DEVBUF, M_WAITOK); 1073 1074 cam_periph_lock(periph); 1075 ccb = cam_periph_getccb(periph, /*priority*/ 1); 1076 1077 scsi_read_element_status(&ccb->csio, 1078 /* retries */ 1, 1079 /* cbfcnp */ chdone, 1080 /* tag_action */ MSG_SIMPLE_Q_TAG, 1081 /* voltag */ want_voltags, 1082 /* sea */ softc->sc_firsts[chet], 1083 /* count */ 1, 1084 /* data_ptr */ data, 1085 /* dxfer_len */ 1024, 1086 /* sense_len */ SSD_FULL_SIZE, 1087 /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS); 1088 1089 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1090 /*sense_flags*/ SF_RETRY_UA, 1091 softc->device_stats); 1092 1093 if (error) 1094 goto done; 1095 cam_periph_unlock(periph); 1096 1097 st_hdr = (struct read_element_status_header *)data; 1098 pg_hdr = (struct read_element_status_page_header *)((uintptr_t)st_hdr + 1099 sizeof(struct read_element_status_header)); 1100 desclen = scsi_2btoul(pg_hdr->edl); 1101 1102 size = sizeof(struct read_element_status_header) + 1103 sizeof(struct read_element_status_page_header) + 1104 (desclen * cesr->cesr_element_count); 1105 1106 /* 1107 * Reallocate storage for descriptors and get them from the 1108 * device. 1109 */ 1110 free(data, M_DEVBUF); 1111 data = (caddr_t)malloc(size, M_DEVBUF, M_WAITOK); 1112 1113 cam_periph_lock(periph); 1114 scsi_read_element_status(&ccb->csio, 1115 /* retries */ 1, 1116 /* cbfcnp */ chdone, 1117 /* tag_action */ MSG_SIMPLE_Q_TAG, 1118 /* voltag */ want_voltags, 1119 /* sea */ softc->sc_firsts[chet] 1120 + cesr->cesr_element_base, 1121 /* count */ cesr->cesr_element_count, 1122 /* data_ptr */ data, 1123 /* dxfer_len */ size, 1124 /* sense_len */ SSD_FULL_SIZE, 1125 /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS); 1126 1127 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1128 /*sense_flags*/ SF_RETRY_UA, 1129 softc->device_stats); 1130 1131 if (error) 1132 goto done; 1133 cam_periph_unlock(periph); 1134 1135 /* 1136 * Fill in the user status array. 1137 */ 1138 st_hdr = (struct read_element_status_header *)data; 1139 pg_hdr = (struct read_element_status_page_header *)((uintptr_t)st_hdr + 1140 sizeof(struct read_element_status_header)); 1141 avail = scsi_2btoul(st_hdr->count); 1142 1143 if (avail != cesr->cesr_element_count) { 1144 xpt_print(periph->path, 1145 "warning, READ ELEMENT STATUS avail != count\n"); 1146 } 1147 1148 user_data = (struct changer_element_status *) 1149 malloc(avail * sizeof(struct changer_element_status), 1150 M_DEVBUF, M_WAITOK | M_ZERO); 1151 1152 desc = (struct read_element_status_descriptor *)((uintptr_t)data + 1153 sizeof(struct read_element_status_header) + 1154 sizeof(struct read_element_status_page_header)); 1155 /* 1156 * Set up the individual element status structures 1157 */ 1158 for (i = 0; i < avail; ++i) { 1159 struct changer_element_status *ces = &(user_data[i]); 1160 1161 copy_element_status(softc, pg_hdr->flags, desc, ces); 1162 1163 desc = (struct read_element_status_descriptor *) 1164 ((uintptr_t)desc + desclen); 1165 } 1166 1167 /* Copy element status structures out to userspace. */ 1168 error = copyout(user_data, 1169 cesr->cesr_element_status, 1170 avail * sizeof(struct changer_element_status)); 1171 cam_periph_lock(periph); 1172 1173 done: 1174 xpt_release_ccb(ccb); 1175 1176 if (data != NULL) 1177 free(data, M_DEVBUF); 1178 if (user_data != NULL) 1179 free(user_data, M_DEVBUF); 1180 1181 return (error); 1182 } 1183 1184 static int 1185 chielem(struct cam_periph *periph, 1186 unsigned int timeout) 1187 { 1188 union ccb *ccb; 1189 struct ch_softc *softc; 1190 int error; 1191 1192 if (!timeout) { 1193 timeout = CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS; 1194 } else { 1195 timeout *= 1000; 1196 } 1197 1198 error = 0; 1199 softc = (struct ch_softc *)periph->softc; 1200 1201 ccb = cam_periph_getccb(periph, /*priority*/ 1); 1202 1203 scsi_initialize_element_status(&ccb->csio, 1204 /* retries */ 1, 1205 /* cbfcnp */ chdone, 1206 /* tag_action */ MSG_SIMPLE_Q_TAG, 1207 /* sense_len */ SSD_FULL_SIZE, 1208 /* timeout */ timeout); 1209 1210 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1211 /*sense_flags*/ SF_RETRY_UA, 1212 softc->device_stats); 1213 1214 xpt_release_ccb(ccb); 1215 1216 return(error); 1217 } 1218 1219 static int 1220 chsetvoltag(struct cam_periph *periph, 1221 struct changer_set_voltag_request *csvr) 1222 { 1223 union ccb *ccb; 1224 struct ch_softc *softc; 1225 u_int16_t ea; 1226 u_int8_t sac; 1227 struct scsi_send_volume_tag_parameters ssvtp; 1228 int error; 1229 int i; 1230 1231 error = 0; 1232 softc = (struct ch_softc *)periph->softc; 1233 1234 bzero(&ssvtp, sizeof(ssvtp)); 1235 for (i=0; i<sizeof(ssvtp.vitf); i++) { 1236 ssvtp.vitf[i] = ' '; 1237 } 1238 1239 /* 1240 * Check arguments. 1241 */ 1242 if (csvr->csvr_type > CHET_DT) 1243 return EINVAL; 1244 if (csvr->csvr_addr > (softc->sc_counts[csvr->csvr_type] - 1)) 1245 return ENODEV; 1246 1247 ea = softc->sc_firsts[csvr->csvr_type] + csvr->csvr_addr; 1248 1249 if (csvr->csvr_flags & CSVR_ALTERNATE) { 1250 switch (csvr->csvr_flags & CSVR_MODE_MASK) { 1251 case CSVR_MODE_SET: 1252 sac = SEND_VOLUME_TAG_ASSERT_ALTERNATE; 1253 break; 1254 case CSVR_MODE_REPLACE: 1255 sac = SEND_VOLUME_TAG_REPLACE_ALTERNATE; 1256 break; 1257 case CSVR_MODE_CLEAR: 1258 sac = SEND_VOLUME_TAG_UNDEFINED_ALTERNATE; 1259 break; 1260 default: 1261 error = EINVAL; 1262 goto out; 1263 } 1264 } else { 1265 switch (csvr->csvr_flags & CSVR_MODE_MASK) { 1266 case CSVR_MODE_SET: 1267 sac = SEND_VOLUME_TAG_ASSERT_PRIMARY; 1268 break; 1269 case CSVR_MODE_REPLACE: 1270 sac = SEND_VOLUME_TAG_REPLACE_PRIMARY; 1271 break; 1272 case CSVR_MODE_CLEAR: 1273 sac = SEND_VOLUME_TAG_UNDEFINED_PRIMARY; 1274 break; 1275 default: 1276 error = EINVAL; 1277 goto out; 1278 } 1279 } 1280 1281 memcpy(ssvtp.vitf, csvr->csvr_voltag.cv_volid, 1282 min(strlen(csvr->csvr_voltag.cv_volid), sizeof(ssvtp.vitf))); 1283 scsi_ulto2b(csvr->csvr_voltag.cv_serial, ssvtp.minvsn); 1284 1285 ccb = cam_periph_getccb(periph, /*priority*/ 1); 1286 1287 scsi_send_volume_tag(&ccb->csio, 1288 /* retries */ 1, 1289 /* cbfcnp */ chdone, 1290 /* tag_action */ MSG_SIMPLE_Q_TAG, 1291 /* element_address */ ea, 1292 /* send_action_code */ sac, 1293 /* parameters */ &ssvtp, 1294 /* sense_len */ SSD_FULL_SIZE, 1295 /* timeout */ CH_TIMEOUT_SEND_VOLTAG); 1296 1297 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1298 /*sense_flags*/ SF_RETRY_UA, 1299 softc->device_stats); 1300 1301 xpt_release_ccb(ccb); 1302 1303 out: 1304 return error; 1305 } 1306 1307 static int 1308 chgetparams(struct cam_periph *periph) 1309 { 1310 union ccb *ccb; 1311 struct ch_softc *softc; 1312 void *mode_buffer; 1313 int mode_buffer_len; 1314 struct page_element_address_assignment *ea; 1315 struct page_device_capabilities *cap; 1316 int error, from, dbd; 1317 u_int8_t *moves, *exchanges; 1318 1319 error = 0; 1320 1321 softc = (struct ch_softc *)periph->softc; 1322 1323 ccb = cam_periph_getccb(periph, /*priority*/ 1); 1324 1325 /* 1326 * The scsi_mode_sense_data structure is just a convenience 1327 * structure that allows us to easily calculate the worst-case 1328 * storage size of the mode sense buffer. 1329 */ 1330 mode_buffer_len = sizeof(struct scsi_mode_sense_data); 1331 1332 mode_buffer = malloc(mode_buffer_len, M_SCSICH, M_NOWAIT); 1333 1334 if (mode_buffer == NULL) { 1335 printf("chgetparams: couldn't malloc mode sense data\n"); 1336 return(ENOSPC); 1337 } 1338 1339 bzero(mode_buffer, mode_buffer_len); 1340 1341 if (softc->quirks & CH_Q_NO_DBD) 1342 dbd = FALSE; 1343 else 1344 dbd = TRUE; 1345 1346 /* 1347 * Get the element address assignment page. 1348 */ 1349 scsi_mode_sense(&ccb->csio, 1350 /* retries */ 1, 1351 /* cbfcnp */ chdone, 1352 /* tag_action */ MSG_SIMPLE_Q_TAG, 1353 /* dbd */ dbd, 1354 /* page_code */ SMS_PAGE_CTRL_CURRENT, 1355 /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE, 1356 /* param_buf */ (u_int8_t *)mode_buffer, 1357 /* param_len */ mode_buffer_len, 1358 /* sense_len */ SSD_FULL_SIZE, 1359 /* timeout */ CH_TIMEOUT_MODE_SENSE); 1360 1361 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1362 /* sense_flags */ SF_RETRY_UA|SF_NO_PRINT, 1363 softc->device_stats); 1364 1365 if (error) { 1366 if (dbd) { 1367 struct scsi_mode_sense_6 *sms; 1368 1369 sms = (struct scsi_mode_sense_6 *) 1370 ccb->csio.cdb_io.cdb_bytes; 1371 1372 sms->byte2 &= ~SMS_DBD; 1373 error = cam_periph_runccb(ccb, cherror, 1374 /*cam_flags*/ CAM_RETRY_SELTO, 1375 /*sense_flags*/ SF_RETRY_UA, 1376 softc->device_stats); 1377 } else { 1378 /* 1379 * Since we disabled sense printing above, print 1380 * out the sense here since we got an error. 1381 */ 1382 scsi_sense_print(&ccb->csio); 1383 } 1384 1385 if (error) { 1386 xpt_print(periph->path, 1387 "chgetparams: error getting element " 1388 "address page\n"); 1389 xpt_release_ccb(ccb); 1390 free(mode_buffer, M_SCSICH); 1391 return(error); 1392 } 1393 } 1394 1395 ea = (struct page_element_address_assignment *) 1396 find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer); 1397 1398 softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea); 1399 softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte); 1400 softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea); 1401 softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse); 1402 softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea); 1403 softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee); 1404 softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea); 1405 softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte); 1406 1407 bzero(mode_buffer, mode_buffer_len); 1408 1409 /* 1410 * Now get the device capabilities page. 1411 */ 1412 scsi_mode_sense(&ccb->csio, 1413 /* retries */ 1, 1414 /* cbfcnp */ chdone, 1415 /* tag_action */ MSG_SIMPLE_Q_TAG, 1416 /* dbd */ dbd, 1417 /* page_code */ SMS_PAGE_CTRL_CURRENT, 1418 /* page */ CH_DEVICE_CAP_PAGE, 1419 /* param_buf */ (u_int8_t *)mode_buffer, 1420 /* param_len */ mode_buffer_len, 1421 /* sense_len */ SSD_FULL_SIZE, 1422 /* timeout */ CH_TIMEOUT_MODE_SENSE); 1423 1424 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, 1425 /* sense_flags */ SF_RETRY_UA | SF_NO_PRINT, 1426 softc->device_stats); 1427 1428 if (error) { 1429 if (dbd) { 1430 struct scsi_mode_sense_6 *sms; 1431 1432 sms = (struct scsi_mode_sense_6 *) 1433 ccb->csio.cdb_io.cdb_bytes; 1434 1435 sms->byte2 &= ~SMS_DBD; 1436 error = cam_periph_runccb(ccb, cherror, 1437 /*cam_flags*/ CAM_RETRY_SELTO, 1438 /*sense_flags*/ SF_RETRY_UA, 1439 softc->device_stats); 1440 } else { 1441 /* 1442 * Since we disabled sense printing above, print 1443 * out the sense here since we got an error. 1444 */ 1445 scsi_sense_print(&ccb->csio); 1446 } 1447 1448 if (error) { 1449 xpt_print(periph->path, 1450 "chgetparams: error getting device " 1451 "capabilities page\n"); 1452 xpt_release_ccb(ccb); 1453 free(mode_buffer, M_SCSICH); 1454 return(error); 1455 } 1456 } 1457 1458 xpt_release_ccb(ccb); 1459 1460 cap = (struct page_device_capabilities *) 1461 find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer); 1462 1463 bzero(softc->sc_movemask, sizeof(softc->sc_movemask)); 1464 bzero(softc->sc_exchangemask, sizeof(softc->sc_exchangemask)); 1465 moves = cap->move_from; 1466 exchanges = cap->exchange_with; 1467 for (from = CHET_MT; from <= CHET_MAX; ++from) { 1468 softc->sc_movemask[from] = moves[from]; 1469 softc->sc_exchangemask[from] = exchanges[from]; 1470 } 1471 1472 free(mode_buffer, M_SCSICH); 1473 1474 return(error); 1475 } 1476 1477 void 1478 scsi_move_medium(struct ccb_scsiio *csio, u_int32_t retries, 1479 void (*cbfcnp)(struct cam_periph *, union ccb *), 1480 u_int8_t tag_action, u_int32_t tea, u_int32_t src, 1481 u_int32_t dst, int invert, u_int8_t sense_len, 1482 u_int32_t timeout) 1483 { 1484 struct scsi_move_medium *scsi_cmd; 1485 1486 scsi_cmd = (struct scsi_move_medium *)&csio->cdb_io.cdb_bytes; 1487 bzero(scsi_cmd, sizeof(*scsi_cmd)); 1488 1489 scsi_cmd->opcode = MOVE_MEDIUM; 1490 1491 scsi_ulto2b(tea, scsi_cmd->tea); 1492 scsi_ulto2b(src, scsi_cmd->src); 1493 scsi_ulto2b(dst, scsi_cmd->dst); 1494 1495 if (invert) 1496 scsi_cmd->invert |= MOVE_MEDIUM_INVERT; 1497 1498 cam_fill_csio(csio, 1499 retries, 1500 cbfcnp, 1501 /*flags*/ CAM_DIR_NONE, 1502 tag_action, 1503 /*data_ptr*/ NULL, 1504 /*dxfer_len*/ 0, 1505 sense_len, 1506 sizeof(*scsi_cmd), 1507 timeout); 1508 } 1509 1510 void 1511 scsi_exchange_medium(struct ccb_scsiio *csio, u_int32_t retries, 1512 void (*cbfcnp)(struct cam_periph *, union ccb *), 1513 u_int8_t tag_action, u_int32_t tea, u_int32_t src, 1514 u_int32_t dst1, u_int32_t dst2, int invert1, 1515 int invert2, u_int8_t sense_len, u_int32_t timeout) 1516 { 1517 struct scsi_exchange_medium *scsi_cmd; 1518 1519 scsi_cmd = (struct scsi_exchange_medium *)&csio->cdb_io.cdb_bytes; 1520 bzero(scsi_cmd, sizeof(*scsi_cmd)); 1521 1522 scsi_cmd->opcode = EXCHANGE_MEDIUM; 1523 1524 scsi_ulto2b(tea, scsi_cmd->tea); 1525 scsi_ulto2b(src, scsi_cmd->src); 1526 scsi_ulto2b(dst1, scsi_cmd->fdst); 1527 scsi_ulto2b(dst2, scsi_cmd->sdst); 1528 1529 if (invert1) 1530 scsi_cmd->invert |= EXCHANGE_MEDIUM_INV1; 1531 1532 if (invert2) 1533 scsi_cmd->invert |= EXCHANGE_MEDIUM_INV2; 1534 1535 cam_fill_csio(csio, 1536 retries, 1537 cbfcnp, 1538 /*flags*/ CAM_DIR_NONE, 1539 tag_action, 1540 /*data_ptr*/ NULL, 1541 /*dxfer_len*/ 0, 1542 sense_len, 1543 sizeof(*scsi_cmd), 1544 timeout); 1545 } 1546 1547 void 1548 scsi_position_to_element(struct ccb_scsiio *csio, u_int32_t retries, 1549 void (*cbfcnp)(struct cam_periph *, union ccb *), 1550 u_int8_t tag_action, u_int32_t tea, u_int32_t dst, 1551 int invert, u_int8_t sense_len, u_int32_t timeout) 1552 { 1553 struct scsi_position_to_element *scsi_cmd; 1554 1555 scsi_cmd = (struct scsi_position_to_element *)&csio->cdb_io.cdb_bytes; 1556 bzero(scsi_cmd, sizeof(*scsi_cmd)); 1557 1558 scsi_cmd->opcode = POSITION_TO_ELEMENT; 1559 1560 scsi_ulto2b(tea, scsi_cmd->tea); 1561 scsi_ulto2b(dst, scsi_cmd->dst); 1562 1563 if (invert) 1564 scsi_cmd->invert |= POSITION_TO_ELEMENT_INVERT; 1565 1566 cam_fill_csio(csio, 1567 retries, 1568 cbfcnp, 1569 /*flags*/ CAM_DIR_NONE, 1570 tag_action, 1571 /*data_ptr*/ NULL, 1572 /*dxfer_len*/ 0, 1573 sense_len, 1574 sizeof(*scsi_cmd), 1575 timeout); 1576 } 1577 1578 void 1579 scsi_read_element_status(struct ccb_scsiio *csio, u_int32_t retries, 1580 void (*cbfcnp)(struct cam_periph *, union ccb *), 1581 u_int8_t tag_action, int voltag, u_int32_t sea, 1582 u_int32_t count, u_int8_t *data_ptr, 1583 u_int32_t dxfer_len, u_int8_t sense_len, 1584 u_int32_t timeout) 1585 { 1586 struct scsi_read_element_status *scsi_cmd; 1587 1588 scsi_cmd = (struct scsi_read_element_status *)&csio->cdb_io.cdb_bytes; 1589 bzero(scsi_cmd, sizeof(*scsi_cmd)); 1590 1591 scsi_cmd->opcode = READ_ELEMENT_STATUS; 1592 1593 scsi_ulto2b(sea, scsi_cmd->sea); 1594 scsi_ulto2b(count, scsi_cmd->count); 1595 scsi_ulto3b(dxfer_len, scsi_cmd->len); 1596 1597 if (voltag) 1598 scsi_cmd->byte2 |= READ_ELEMENT_STATUS_VOLTAG; 1599 1600 cam_fill_csio(csio, 1601 retries, 1602 cbfcnp, 1603 /*flags*/ CAM_DIR_IN, 1604 tag_action, 1605 data_ptr, 1606 dxfer_len, 1607 sense_len, 1608 sizeof(*scsi_cmd), 1609 timeout); 1610 } 1611 1612 void 1613 scsi_initialize_element_status(struct ccb_scsiio *csio, u_int32_t retries, 1614 void (*cbfcnp)(struct cam_periph *, union ccb *), 1615 u_int8_t tag_action, u_int8_t sense_len, 1616 u_int32_t timeout) 1617 { 1618 struct scsi_initialize_element_status *scsi_cmd; 1619 1620 scsi_cmd = (struct scsi_initialize_element_status *) 1621 &csio->cdb_io.cdb_bytes; 1622 bzero(scsi_cmd, sizeof(*scsi_cmd)); 1623 1624 scsi_cmd->opcode = INITIALIZE_ELEMENT_STATUS; 1625 1626 cam_fill_csio(csio, 1627 retries, 1628 cbfcnp, 1629 /*flags*/ CAM_DIR_NONE, 1630 tag_action, 1631 /* data_ptr */ NULL, 1632 /* dxfer_len */ 0, 1633 sense_len, 1634 sizeof(*scsi_cmd), 1635 timeout); 1636 } 1637 1638 void 1639 scsi_send_volume_tag(struct ccb_scsiio *csio, u_int32_t retries, 1640 void (*cbfcnp)(struct cam_periph *, union ccb *), 1641 u_int8_t tag_action, 1642 u_int16_t element_address, 1643 u_int8_t send_action_code, 1644 struct scsi_send_volume_tag_parameters *parameters, 1645 u_int8_t sense_len, u_int32_t timeout) 1646 { 1647 struct scsi_send_volume_tag *scsi_cmd; 1648 1649 scsi_cmd = (struct scsi_send_volume_tag *) &csio->cdb_io.cdb_bytes; 1650 bzero(scsi_cmd, sizeof(*scsi_cmd)); 1651 1652 scsi_cmd->opcode = SEND_VOLUME_TAG; 1653 scsi_ulto2b(element_address, scsi_cmd->ea); 1654 scsi_cmd->sac = send_action_code; 1655 scsi_ulto2b(sizeof(*parameters), scsi_cmd->pll); 1656 1657 cam_fill_csio(csio, 1658 retries, 1659 cbfcnp, 1660 /*flags*/ CAM_DIR_OUT, 1661 tag_action, 1662 /* data_ptr */ (u_int8_t *) parameters, 1663 sizeof(*parameters), 1664 sense_len, 1665 sizeof(*scsi_cmd), 1666 timeout); 1667 } 1668