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