| 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 | * $FreeBSD: src/sys/cam/scsi/scsi_ch.c,v 1.20.2.2 2000/10/31 08:09:49 dwmalone Exp $ |
| 28 | * $DragonFly: src/sys/bus/cam/scsi/scsi_ch.c,v 1.8 2004/03/15 02:27:56 dillon Exp $ |
| 29 | */ |
| 30 | /* |
| 31 | * Derived from the NetBSD SCSI changer driver. |
| 32 | * |
| 33 | * $NetBSD: ch.c,v 1.32 1998/01/12 09:49:12 thorpej Exp $ |
| 34 | * |
| 35 | */ |
| 36 | /* |
| 37 | * Copyright (c) 1996, 1997 Jason R. Thorpe <thorpej@and.com> |
| 38 | * All rights reserved. |
| 39 | * |
| 40 | * Partially based on an autochanger driver written by Stefan Grefen |
| 41 | * and on an autochanger driver written by the Systems Programming Group |
| 42 | * at the University of Utah Computer Science Department. |
| 43 | * |
| 44 | * Redistribution and use in source and binary forms, with or without |
| 45 | * modification, are permitted provided that the following conditions |
| 46 | * are met: |
| 47 | * 1. Redistributions of source code must retain the above copyright |
| 48 | * notice, this list of conditions and the following disclaimer. |
| 49 | * 2. Redistributions in binary form must reproduce the above copyright |
| 50 | * notice, this list of conditions and the following disclaimer in the |
| 51 | * documentation and/or other materials provided with the distribution. |
| 52 | * 3. All advertising materials mentioning features or use of this software |
| 53 | * must display the following acknowledgements: |
| 54 | * This product includes software developed by Jason R. Thorpe |
| 55 | * for And Communications, http://www.and.com/ |
| 56 | * 4. The name of the author may not be used to endorse or promote products |
| 57 | * derived from this software without specific prior written permission. |
| 58 | * |
| 59 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 60 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 61 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 62 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 63 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 64 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 65 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 66 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 67 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 68 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 69 | * SUCH DAMAGE. |
| 70 | */ |
| 71 | |
| 72 | #include <sys/param.h> |
| 73 | #include <sys/queue.h> |
| 74 | #include <sys/systm.h> |
| 75 | #include <sys/kernel.h> |
| 76 | #include <sys/types.h> |
| 77 | #include <sys/malloc.h> |
| 78 | #include <sys/fcntl.h> |
| 79 | #include <sys/stat.h> |
| 80 | #include <sys/conf.h> |
| 81 | #include <sys/buf.h> |
| 82 | #include <sys/chio.h> |
| 83 | #include <sys/errno.h> |
| 84 | #include <sys/devicestat.h> |
| 85 | |
| 86 | #include "../cam.h" |
| 87 | #include "../cam_ccb.h" |
| 88 | #include "../cam_extend.h" |
| 89 | #include "../cam_periph.h" |
| 90 | #include "../cam_xpt_periph.h" |
| 91 | #include "../cam_queue.h" |
| 92 | #include "../cam_debug.h" |
| 93 | |
| 94 | #include "scsi_all.h" |
| 95 | #include "scsi_message.h" |
| 96 | #include "scsi_ch.h" |
| 97 | |
| 98 | /* |
| 99 | * Timeout definitions for various changer related commands. They may |
| 100 | * be too short for some devices (especially the timeout for INITIALIZE |
| 101 | * ELEMENT STATUS). |
| 102 | */ |
| 103 | |
| 104 | static const u_int32_t CH_TIMEOUT_MODE_SENSE = 6000; |
| 105 | static const u_int32_t CH_TIMEOUT_MOVE_MEDIUM = 100000; |
| 106 | static const u_int32_t CH_TIMEOUT_EXCHANGE_MEDIUM = 100000; |
| 107 | static const u_int32_t CH_TIMEOUT_POSITION_TO_ELEMENT = 100000; |
| 108 | static const u_int32_t CH_TIMEOUT_READ_ELEMENT_STATUS = 10000; |
| 109 | static const u_int32_t CH_TIMEOUT_SEND_VOLTAG = 10000; |
| 110 | static const u_int32_t CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS = 500000; |
| 111 | |
| 112 | typedef enum { |
| 113 | CH_FLAG_INVALID = 0x001, |
| 114 | CH_FLAG_OPEN = 0x002 |
| 115 | } ch_flags; |
| 116 | |
| 117 | typedef enum { |
| 118 | CH_STATE_PROBE, |
| 119 | CH_STATE_NORMAL |
| 120 | } ch_state; |
| 121 | |
| 122 | typedef enum { |
| 123 | CH_CCB_PROBE, |
| 124 | CH_CCB_WAITING |
| 125 | } ch_ccb_types; |
| 126 | |
| 127 | typedef enum { |
| 128 | CH_Q_NONE = 0x00, |
| 129 | CH_Q_NO_DBD = 0x01 |
| 130 | } ch_quirks; |
| 131 | |
| 132 | #define ccb_state ppriv_field0 |
| 133 | #define ccb_bp ppriv_ptr1 |
| 134 | |
| 135 | struct scsi_mode_sense_data { |
| 136 | struct scsi_mode_header_6 header; |
| 137 | struct scsi_mode_blk_desc blk_desc; |
| 138 | union { |
| 139 | struct page_element_address_assignment ea; |
| 140 | struct page_transport_geometry_parameters tg; |
| 141 | struct page_device_capabilities cap; |
| 142 | } pages; |
| 143 | }; |
| 144 | |
| 145 | struct ch_softc { |
| 146 | ch_flags flags; |
| 147 | ch_state state; |
| 148 | ch_quirks quirks; |
| 149 | union ccb saved_ccb; |
| 150 | struct devstat device_stats; |
| 151 | dev_t dev; |
| 152 | |
| 153 | int sc_picker; /* current picker */ |
| 154 | |
| 155 | /* |
| 156 | * The following information is obtained from the |
| 157 | * element address assignment page. |
| 158 | */ |
| 159 | int sc_firsts[4]; /* firsts, indexed by CHET_* */ |
| 160 | int sc_counts[4]; /* counts, indexed by CHET_* */ |
| 161 | |
| 162 | /* |
| 163 | * The following mask defines the legal combinations |
| 164 | * of elements for the MOVE MEDIUM command. |
| 165 | */ |
| 166 | u_int8_t sc_movemask[4]; |
| 167 | |
| 168 | /* |
| 169 | * As above, but for EXCHANGE MEDIUM. |
| 170 | */ |
| 171 | u_int8_t sc_exchangemask[4]; |
| 172 | |
| 173 | /* |
| 174 | * Quirks; see below. XXX KDM not implemented yet |
| 175 | */ |
| 176 | int sc_settledelay; /* delay for settle */ |
| 177 | }; |
| 178 | |
| 179 | #define CHUNIT(x) (minor((x))) |
| 180 | #define CH_CDEV_MAJOR 17 |
| 181 | |
| 182 | static d_open_t chopen; |
| 183 | static d_close_t chclose; |
| 184 | static d_ioctl_t chioctl; |
| 185 | static periph_init_t chinit; |
| 186 | static periph_ctor_t chregister; |
| 187 | static periph_oninv_t choninvalidate; |
| 188 | static periph_dtor_t chcleanup; |
| 189 | static periph_start_t chstart; |
| 190 | static void chasync(void *callback_arg, u_int32_t code, |
| 191 | struct cam_path *path, void *arg); |
| 192 | static void chdone(struct cam_periph *periph, |
| 193 | union ccb *done_ccb); |
| 194 | static int cherror(union ccb *ccb, u_int32_t cam_flags, |
| 195 | u_int32_t sense_flags); |
| 196 | static int chmove(struct cam_periph *periph, |
| 197 | struct changer_move *cm); |
| 198 | static int chexchange(struct cam_periph *periph, |
| 199 | struct changer_exchange *ce); |
| 200 | static int chposition(struct cam_periph *periph, |
| 201 | struct changer_position *cp); |
| 202 | static int chgetelemstatus(struct cam_periph *periph, |
| 203 | struct changer_element_status_request *csr); |
| 204 | static int chsetvoltag(struct cam_periph *periph, |
| 205 | struct changer_set_voltag_request *csvr); |
| 206 | static int chielem(struct cam_periph *periph, |
| 207 | unsigned int timeout); |
| 208 | static int chgetparams(struct cam_periph *periph); |
| 209 | |
| 210 | static struct periph_driver chdriver = |
| 211 | { |
| 212 | chinit, "ch", |
| 213 | TAILQ_HEAD_INITIALIZER(chdriver.units), /* generation */ 0 |
| 214 | }; |
| 215 | |
| 216 | DATA_SET(periphdriver_set, chdriver); |
| 217 | |
| 218 | static struct cdevsw ch_cdevsw = { |
| 219 | /* name */ "ch", |
| 220 | /* maj */ CH_CDEV_MAJOR, |
| 221 | /* flags */ 0, |
| 222 | /* port */ NULL, |
| 223 | /* autoq */ 0, |
| 224 | |
| 225 | /* open */ chopen, |
| 226 | /* close */ chclose, |
| 227 | /* read */ noread, |
| 228 | /* write */ nowrite, |
| 229 | /* ioctl */ chioctl, |
| 230 | /* poll */ nopoll, |
| 231 | /* mmap */ nommap, |
| 232 | /* strategy */ nostrategy, |
| 233 | /* dump */ nodump, |
| 234 | /* psize */ nopsize |
| 235 | }; |
| 236 | |
| 237 | static struct extend_array *chperiphs; |
| 238 | |
| 239 | void |
| 240 | chinit(void) |
| 241 | { |
| 242 | cam_status status; |
| 243 | struct cam_path *path; |
| 244 | |
| 245 | /* |
| 246 | * Create our extend array for storing the devices we attach to. |
| 247 | */ |
| 248 | chperiphs = cam_extend_new(); |
| 249 | if (chperiphs == NULL) { |
| 250 | printf("ch: Failed to alloc extend array!\n"); |
| 251 | return; |
| 252 | } |
| 253 | |
| 254 | /* |
| 255 | * Install a global async callback. This callback will |
| 256 | * receive async callbacks like "new device found". |
| 257 | */ |
| 258 | status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, |
| 259 | CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); |
| 260 | |
| 261 | if (status == CAM_REQ_CMP) { |
| 262 | struct ccb_setasync csa; |
| 263 | |
| 264 | xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); |
| 265 | csa.ccb_h.func_code = XPT_SASYNC_CB; |
| 266 | csa.event_enable = AC_FOUND_DEVICE; |
| 267 | csa.callback = chasync; |
| 268 | csa.callback_arg = NULL; |
| 269 | xpt_action((union ccb *)&csa); |
| 270 | status = csa.ccb_h.status; |
| 271 | xpt_free_path(path); |
| 272 | } |
| 273 | |
| 274 | if (status != CAM_REQ_CMP) { |
| 275 | printf("ch: Failed to attach master async callback " |
| 276 | "due to status 0x%x!\n", status); |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | static void |
| 281 | choninvalidate(struct cam_periph *periph) |
| 282 | { |
| 283 | struct ch_softc *softc; |
| 284 | struct ccb_setasync csa; |
| 285 | |
| 286 | softc = (struct ch_softc *)periph->softc; |
| 287 | |
| 288 | /* |
| 289 | * De-register any async callbacks. |
| 290 | */ |
| 291 | xpt_setup_ccb(&csa.ccb_h, periph->path, |
| 292 | /* priority */ 5); |
| 293 | csa.ccb_h.func_code = XPT_SASYNC_CB; |
| 294 | csa.event_enable = 0; |
| 295 | csa.callback = chasync; |
| 296 | csa.callback_arg = periph; |
| 297 | xpt_action((union ccb *)&csa); |
| 298 | |
| 299 | softc->flags |= CH_FLAG_INVALID; |
| 300 | |
| 301 | xpt_print_path(periph->path); |
| 302 | printf("lost device\n"); |
| 303 | |
| 304 | } |
| 305 | |
| 306 | static void |
| 307 | chcleanup(struct cam_periph *periph) |
| 308 | { |
| 309 | struct ch_softc *softc; |
| 310 | |
| 311 | softc = (struct ch_softc *)periph->softc; |
| 312 | |
| 313 | devstat_remove_entry(&softc->device_stats); |
| 314 | destroy_dev(softc->dev); |
| 315 | cam_extend_release(chperiphs, periph->unit_number); |
| 316 | xpt_print_path(periph->path); |
| 317 | printf("removing device entry\n"); |
| 318 | free(softc, M_DEVBUF); |
| 319 | } |
| 320 | |
| 321 | static void |
| 322 | chasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) |
| 323 | { |
| 324 | struct cam_periph *periph; |
| 325 | |
| 326 | periph = (struct cam_periph *)callback_arg; |
| 327 | |
| 328 | switch(code) { |
| 329 | case AC_FOUND_DEVICE: |
| 330 | { |
| 331 | struct ccb_getdev *cgd; |
| 332 | cam_status status; |
| 333 | |
| 334 | cgd = (struct ccb_getdev *)arg; |
| 335 | |
| 336 | if (SID_TYPE(&cgd->inq_data)!= T_CHANGER) |
| 337 | break; |
| 338 | |
| 339 | /* |
| 340 | * Allocate a peripheral instance for |
| 341 | * this device and start the probe |
| 342 | * process. |
| 343 | */ |
| 344 | status = cam_periph_alloc(chregister, choninvalidate, |
| 345 | chcleanup, chstart, "ch", |
| 346 | CAM_PERIPH_BIO, cgd->ccb_h.path, |
| 347 | chasync, AC_FOUND_DEVICE, cgd); |
| 348 | |
| 349 | if (status != CAM_REQ_CMP |
| 350 | && status != CAM_REQ_INPROG) |
| 351 | printf("chasync: Unable to probe new device " |
| 352 | "due to status 0x%x\n", status); |
| 353 | |
| 354 | break; |
| 355 | |
| 356 | } |
| 357 | default: |
| 358 | cam_periph_async(periph, code, path, arg); |
| 359 | break; |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | static cam_status |
| 364 | chregister(struct cam_periph *periph, void *arg) |
| 365 | { |
| 366 | struct ch_softc *softc; |
| 367 | struct ccb_setasync csa; |
| 368 | struct ccb_getdev *cgd; |
| 369 | |
| 370 | cgd = (struct ccb_getdev *)arg; |
| 371 | if (periph == NULL) { |
| 372 | printf("chregister: periph was NULL!!\n"); |
| 373 | return(CAM_REQ_CMP_ERR); |
| 374 | } |
| 375 | |
| 376 | if (cgd == NULL) { |
| 377 | printf("chregister: no getdev CCB, can't register device\n"); |
| 378 | return(CAM_REQ_CMP_ERR); |
| 379 | } |
| 380 | |
| 381 | softc = malloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO); |
| 382 | softc->state = CH_STATE_PROBE; |
| 383 | periph->softc = softc; |
| 384 | cam_extend_set(chperiphs, periph->unit_number, periph); |
| 385 | softc->quirks = CH_Q_NONE; |
| 386 | |
| 387 | /* |
| 388 | * Changers don't have a blocksize, and obviously don't support |
| 389 | * tagged queueing. |
| 390 | */ |
| 391 | devstat_add_entry(&softc->device_stats, "ch", |
| 392 | periph->unit_number, 0, |
| 393 | DEVSTAT_NO_BLOCKSIZE | DEVSTAT_NO_ORDERED_TAGS, |
| 394 | SID_TYPE(&cgd->inq_data)| DEVSTAT_TYPE_IF_SCSI, |
| 395 | DEVSTAT_PRIORITY_OTHER); |
| 396 | |
| 397 | /* Register the device */ |
| 398 | softc->dev = make_dev(&ch_cdevsw, periph->unit_number, UID_ROOT, |
| 399 | GID_OPERATOR, 0600, "%s%d", periph->periph_name, |
| 400 | periph->unit_number); |
| 401 | |
| 402 | /* |
| 403 | * Add an async callback so that we get |
| 404 | * notified if this device goes away. |
| 405 | */ |
| 406 | xpt_setup_ccb(&csa.ccb_h, periph->path, /* priority */ 5); |
| 407 | csa.ccb_h.func_code = XPT_SASYNC_CB; |
| 408 | csa.event_enable = AC_LOST_DEVICE; |
| 409 | csa.callback = chasync; |
| 410 | csa.callback_arg = periph; |
| 411 | xpt_action((union ccb *)&csa); |
| 412 | |
| 413 | /* |
| 414 | * Lock this peripheral until we are setup. |
| 415 | * This first call can't block |
| 416 | */ |
| 417 | (void)cam_periph_lock(periph, 0); |
| 418 | xpt_schedule(periph, /*priority*/5); |
| 419 | |
| 420 | return(CAM_REQ_CMP); |
| 421 | } |
| 422 | |
| 423 | static int |
| 424 | chopen(dev_t dev, int flags, int fmt, struct thread *td) |
| 425 | { |
| 426 | struct cam_periph *periph; |
| 427 | struct ch_softc *softc; |
| 428 | int unit, error; |
| 429 | int s; |
| 430 | |
| 431 | unit = CHUNIT(dev); |
| 432 | periph = cam_extend_get(chperiphs, unit); |
| 433 | |
| 434 | if (periph == NULL) |
| 435 | return(ENXIO); |
| 436 | |
| 437 | softc = (struct ch_softc *)periph->softc; |
| 438 | |
| 439 | s = splsoftcam(); |
| 440 | if (softc->flags & CH_FLAG_INVALID) { |
| 441 | splx(s); |
| 442 | return(ENXIO); |
| 443 | } |
| 444 | |
| 445 | if ((error = cam_periph_lock(periph, PCATCH)) != 0) { |
| 446 | splx(s); |
| 447 | return (error); |
| 448 | } |
| 449 | |
| 450 | splx(s); |
| 451 | |
| 452 | if ((softc->flags & CH_FLAG_OPEN) == 0) { |
| 453 | if (cam_periph_acquire(periph) != CAM_REQ_CMP) |
| 454 | return(ENXIO); |
| 455 | softc->flags |= CH_FLAG_OPEN; |
| 456 | } |
| 457 | |
| 458 | /* |
| 459 | * Load information about this changer device into the softc. |
| 460 | */ |
| 461 | if ((error = chgetparams(periph)) != 0) { |
| 462 | softc->flags &= ~CH_FLAG_OPEN; |
| 463 | cam_periph_unlock(periph); |
| 464 | cam_periph_release(periph); |
| 465 | return(error); |
| 466 | } |
| 467 | |
| 468 | cam_periph_unlock(periph); |
| 469 | |
| 470 | return(error); |
| 471 | } |
| 472 | |
| 473 | static int |
| 474 | chclose(dev_t dev, int flag, int fmt, struct thread *td) |
| 475 | { |
| 476 | struct cam_periph *periph; |
| 477 | struct ch_softc *softc; |
| 478 | int unit, error; |
| 479 | |
| 480 | error = 0; |
| 481 | |
| 482 | unit = CHUNIT(dev); |
| 483 | periph = cam_extend_get(chperiphs, unit); |
| 484 | if (periph == NULL) |
| 485 | return(ENXIO); |
| 486 | |
| 487 | softc = (struct ch_softc *)periph->softc; |
| 488 | |
| 489 | if ((error = cam_periph_lock(periph, 0)) != 0) |
| 490 | return(error); |
| 491 | |
| 492 | softc->flags &= ~CH_FLAG_OPEN; |
| 493 | |
| 494 | cam_periph_unlock(periph); |
| 495 | cam_periph_release(periph); |
| 496 | |
| 497 | return(0); |
| 498 | } |
| 499 | |
| 500 | static void |
| 501 | chstart(struct cam_periph *periph, union ccb *start_ccb) |
| 502 | { |
| 503 | struct ch_softc *softc; |
| 504 | int s; |
| 505 | |
| 506 | softc = (struct ch_softc *)periph->softc; |
| 507 | |
| 508 | switch (softc->state) { |
| 509 | case CH_STATE_NORMAL: |
| 510 | { |
| 511 | s = splbio(); |
| 512 | if (periph->immediate_priority <= periph->pinfo.priority){ |
| 513 | start_ccb->ccb_h.ccb_state = CH_CCB_WAITING; |
| 514 | |
| 515 | SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, |
| 516 | periph_links.sle); |
| 517 | periph->immediate_priority = CAM_PRIORITY_NONE; |
| 518 | splx(s); |
| 519 | wakeup(&periph->ccb_list); |
| 520 | } else |
| 521 | splx(s); |
| 522 | break; |
| 523 | } |
| 524 | case CH_STATE_PROBE: |
| 525 | { |
| 526 | int mode_buffer_len; |
| 527 | void *mode_buffer; |
| 528 | |
| 529 | /* |
| 530 | * Include the block descriptor when calculating the mode |
| 531 | * buffer length, |
| 532 | */ |
| 533 | mode_buffer_len = sizeof(struct scsi_mode_header_6) + |
| 534 | sizeof(struct scsi_mode_blk_desc) + |
| 535 | sizeof(struct page_element_address_assignment); |
| 536 | |
| 537 | mode_buffer = malloc(mode_buffer_len, M_TEMP, M_INTWAIT | M_ZERO); |
| 538 | /* |
| 539 | * Get the element address assignment page. |
| 540 | */ |
| 541 | scsi_mode_sense(&start_ccb->csio, |
| 542 | /* retries */ 1, |
| 543 | /* cbfcnp */ chdone, |
| 544 | /* tag_action */ MSG_SIMPLE_Q_TAG, |
| 545 | /* dbd */ (softc->quirks & CH_Q_NO_DBD) ? |
| 546 | FALSE : TRUE, |
| 547 | /* page_code */ SMS_PAGE_CTRL_CURRENT, |
| 548 | /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE, |
| 549 | /* param_buf */ (u_int8_t *)mode_buffer, |
| 550 | /* param_len */ mode_buffer_len, |
| 551 | /* sense_len */ SSD_FULL_SIZE, |
| 552 | /* timeout */ CH_TIMEOUT_MODE_SENSE); |
| 553 | |
| 554 | start_ccb->ccb_h.ccb_bp = NULL; |
| 555 | start_ccb->ccb_h.ccb_state = CH_CCB_PROBE; |
| 556 | xpt_action(start_ccb); |
| 557 | break; |
| 558 | } |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | static void |
| 563 | chdone(struct cam_periph *periph, union ccb *done_ccb) |
| 564 | { |
| 565 | struct ch_softc *softc; |
| 566 | struct ccb_scsiio *csio; |
| 567 | |
| 568 | softc = (struct ch_softc *)periph->softc; |
| 569 | csio = &done_ccb->csio; |
| 570 | |
| 571 | switch(done_ccb->ccb_h.ccb_state) { |
| 572 | case CH_CCB_PROBE: |
| 573 | { |
| 574 | struct scsi_mode_header_6 *mode_header; |
| 575 | struct page_element_address_assignment *ea; |
| 576 | char announce_buf[80]; |
| 577 | |
| 578 | |
| 579 | mode_header = (struct scsi_mode_header_6 *)csio->data_ptr; |
| 580 | |
| 581 | ea = (struct page_element_address_assignment *) |
| 582 | find_mode_page_6(mode_header); |
| 583 | |
| 584 | if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP){ |
| 585 | |
| 586 | softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea); |
| 587 | softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte); |
| 588 | softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea); |
| 589 | softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse); |
| 590 | softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea); |
| 591 | softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee); |
| 592 | softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea); |
| 593 | softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte); |
| 594 | softc->sc_picker = softc->sc_firsts[CHET_MT]; |
| 595 | |
| 596 | #define PLURAL(c) (c) == 1 ? "" : "s" |
| 597 | snprintf(announce_buf, sizeof(announce_buf), |
| 598 | "%d slot%s, %d drive%s, " |
| 599 | "%d picker%s, %d portal%s", |
| 600 | softc->sc_counts[CHET_ST], |
| 601 | PLURAL(softc->sc_counts[CHET_ST]), |
| 602 | softc->sc_counts[CHET_DT], |
| 603 | PLURAL(softc->sc_counts[CHET_DT]), |
| 604 | softc->sc_counts[CHET_MT], |
| 605 | PLURAL(softc->sc_counts[CHET_MT]), |
| 606 | softc->sc_counts[CHET_IE], |
| 607 | PLURAL(softc->sc_counts[CHET_IE])); |
| 608 | #undef PLURAL |
| 609 | } else { |
| 610 | int error; |
| 611 | |
| 612 | error = cherror(done_ccb, 0, SF_RETRY_UA | |
| 613 | SF_NO_PRINT | SF_RETRY_SELTO); |
| 614 | /* |
| 615 | * Retry any UNIT ATTENTION type errors. They |
| 616 | * are expected at boot. |
| 617 | */ |
| 618 | if (error == ERESTART) { |
| 619 | /* |
| 620 | * A retry was scheuled, so |
| 621 | * just return. |
| 622 | */ |
| 623 | return; |
| 624 | } else if (error != 0) { |
| 625 | int retry_scheduled; |
| 626 | struct scsi_mode_sense_6 *sms; |
| 627 | |
| 628 | sms = (struct scsi_mode_sense_6 *) |
| 629 | done_ccb->csio.cdb_io.cdb_bytes; |
| 630 | |
| 631 | /* |
| 632 | * Check to see if block descriptors were |
| 633 | * disabled. Some devices don't like that. |
| 634 | * We're taking advantage of the fact that |
| 635 | * the first few bytes of the 6 and 10 byte |
| 636 | * mode sense commands are the same. If |
| 637 | * block descriptors were disabled, enable |
| 638 | * them and re-send the command. |
| 639 | */ |
| 640 | if (sms->byte2 & SMS_DBD) { |
| 641 | sms->byte2 &= ~SMS_DBD; |
| 642 | xpt_action(done_ccb); |
| 643 | softc->quirks |= CH_Q_NO_DBD; |
| 644 | retry_scheduled = 1; |
| 645 | } else |
| 646 | retry_scheduled = 0; |
| 647 | |
| 648 | /* Don't wedge this device's queue */ |
| 649 | cam_release_devq(done_ccb->ccb_h.path, |
| 650 | /*relsim_flags*/0, |
| 651 | /*reduction*/0, |
| 652 | /*timeout*/0, |
| 653 | /*getcount_only*/0); |
| 654 | |
| 655 | if (retry_scheduled) |
| 656 | return; |
| 657 | |
| 658 | if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) |
| 659 | == CAM_SCSI_STATUS_ERROR) |
| 660 | scsi_sense_print(&done_ccb->csio); |
| 661 | else { |
| 662 | xpt_print_path(periph->path); |
| 663 | printf("got CAM status %#x\n", |
| 664 | done_ccb->ccb_h.status); |
| 665 | } |
| 666 | xpt_print_path(periph->path); |
| 667 | printf("fatal error, failed to attach to" |
| 668 | " device\n"); |
| 669 | |
| 670 | cam_periph_invalidate(periph); |
| 671 | |
| 672 | announce_buf[0] = '\0'; |
| 673 | } |
| 674 | } |
| 675 | if (announce_buf[0] != '\0') |
| 676 | xpt_announce_periph(periph, announce_buf); |
| 677 | softc->state = CH_STATE_NORMAL; |
| 678 | free(mode_header, M_TEMP); |
| 679 | /* |
| 680 | * Since our peripheral may be invalidated by an error |
| 681 | * above or an external event, we must release our CCB |
| 682 | * before releasing the probe lock on the peripheral. |
| 683 | * The peripheral will only go away once the last lock |
| 684 | * is removed, and we need it around for the CCB release |
| 685 | * operation. |
| 686 | */ |
| 687 | xpt_release_ccb(done_ccb); |
| 688 | cam_periph_unlock(periph); |
| 689 | return; |
| 690 | } |
| 691 | case CH_CCB_WAITING: |
| 692 | { |
| 693 | /* Caller will release the CCB */ |
| 694 | wakeup(&done_ccb->ccb_h.cbfcnp); |
| 695 | return; |
| 696 | } |
| 697 | default: |
| 698 | break; |
| 699 | } |
| 700 | xpt_release_ccb(done_ccb); |
| 701 | } |
| 702 | |
| 703 | static int |
| 704 | cherror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) |
| 705 | { |
| 706 | struct ch_softc *softc; |
| 707 | struct cam_periph *periph; |
| 708 | |
| 709 | periph = xpt_path_periph(ccb->ccb_h.path); |
| 710 | softc = (struct ch_softc *)periph->softc; |
| 711 | |
| 712 | return (cam_periph_error(ccb, cam_flags, sense_flags, |
| 713 | &softc->saved_ccb)); |
| 714 | } |
| 715 | |
| 716 | static int |
| 717 | chioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) |
| 718 | { |
| 719 | struct cam_periph *periph; |
| 720 | struct ch_softc *softc; |
| 721 | u_int8_t unit; |
| 722 | int error; |
| 723 | |
| 724 | unit = CHUNIT(dev); |
| 725 | |
| 726 | periph = cam_extend_get(chperiphs, unit); |
| 727 | if (periph == NULL) |
| 728 | return(ENXIO); |
| 729 | |
| 730 | CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering chioctl\n")); |
| 731 | |
| 732 | softc = (struct ch_softc *)periph->softc; |
| 733 | |
| 734 | error = 0; |
| 735 | |
| 736 | CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, |
| 737 | ("trying to do ioctl %#lx\n", cmd)); |
| 738 | |
| 739 | /* |
| 740 | * If this command can change the device's state, we must |
| 741 | * have the device open for writing. |
| 742 | */ |
| 743 | switch (cmd) { |
| 744 | case CHIOGPICKER: |
| 745 | case CHIOGPARAMS: |
| 746 | case CHIOGSTATUS: |
| 747 | break; |
| 748 | |
| 749 | default: |
| 750 | if ((flag & FWRITE) == 0) |
| 751 | return (EBADF); |
| 752 | } |
| 753 | |
| 754 | switch (cmd) { |
| 755 | case CHIOMOVE: |
| 756 | error = chmove(periph, (struct changer_move *)addr); |
| 757 | break; |
| 758 | |
| 759 | case CHIOEXCHANGE: |
| 760 | error = chexchange(periph, (struct changer_exchange *)addr); |
| 761 | break; |
| 762 | |
| 763 | case CHIOPOSITION: |
| 764 | error = chposition(periph, (struct changer_position *)addr); |
| 765 | break; |
| 766 | |
| 767 | case CHIOGPICKER: |
| 768 | *(int *)addr = softc->sc_picker - softc->sc_firsts[CHET_MT]; |
| 769 | break; |
| 770 | |
| 771 | case CHIOSPICKER: |
| 772 | { |
| 773 | int new_picker = *(int *)addr; |
| 774 | |
| 775 | if (new_picker > (softc->sc_counts[CHET_MT] - 1)) |
| 776 | return (EINVAL); |
| 777 | softc->sc_picker = softc->sc_firsts[CHET_MT] + new_picker; |
| 778 | break; |
| 779 | } |
| 780 | case CHIOGPARAMS: |
| 781 | { |
| 782 | struct changer_params *cp = (struct changer_params *)addr; |
| 783 | |
| 784 | cp->cp_npickers = softc->sc_counts[CHET_MT]; |
| 785 | cp->cp_nslots = softc->sc_counts[CHET_ST]; |
| 786 | cp->cp_nportals = softc->sc_counts[CHET_IE]; |
| 787 | cp->cp_ndrives = softc->sc_counts[CHET_DT]; |
| 788 | break; |
| 789 | } |
| 790 | case CHIOIELEM: |
| 791 | error = chielem(periph, *(unsigned int *)addr); |
| 792 | break; |
| 793 | |
| 794 | case CHIOGSTATUS: |
| 795 | { |
| 796 | error = chgetelemstatus(periph, |
| 797 | (struct changer_element_status_request *) addr); |
| 798 | break; |
| 799 | } |
| 800 | |
| 801 | case CHIOSETVOLTAG: |
| 802 | { |
| 803 | error = chsetvoltag(periph, |
| 804 | (struct changer_set_voltag_request *) addr); |
| 805 | break; |
| 806 | } |
| 807 | |
| 808 | /* Implement prevent/allow? */ |
| 809 | |
| 810 | default: |
| 811 | error = cam_periph_ioctl(periph, cmd, addr, cherror); |
| 812 | break; |
| 813 | } |
| 814 | |
| 815 | return (error); |
| 816 | } |
| 817 | |
| 818 | static int |
| 819 | chmove(struct cam_periph *periph, struct changer_move *cm) |
| 820 | { |
| 821 | struct ch_softc *softc; |
| 822 | u_int16_t fromelem, toelem; |
| 823 | union ccb *ccb; |
| 824 | int error; |
| 825 | |
| 826 | error = 0; |
| 827 | softc = (struct ch_softc *)periph->softc; |
| 828 | |
| 829 | /* |
| 830 | * Check arguments. |
| 831 | */ |
| 832 | if ((cm->cm_fromtype > CHET_DT) || (cm->cm_totype > CHET_DT)) |
| 833 | return (EINVAL); |
| 834 | if ((cm->cm_fromunit > (softc->sc_counts[cm->cm_fromtype] - 1)) || |
| 835 | (cm->cm_tounit > (softc->sc_counts[cm->cm_totype] - 1))) |
| 836 | return (ENODEV); |
| 837 | |
| 838 | /* |
| 839 | * Check the request against the changer's capabilities. |
| 840 | */ |
| 841 | if ((softc->sc_movemask[cm->cm_fromtype] & (1 << cm->cm_totype)) == 0) |
| 842 | return (ENODEV); |
| 843 | |
| 844 | /* |
| 845 | * Calculate the source and destination elements. |
| 846 | */ |
| 847 | fromelem = softc->sc_firsts[cm->cm_fromtype] + cm->cm_fromunit; |
| 848 | toelem = softc->sc_firsts[cm->cm_totype] + cm->cm_tounit; |
| 849 | |
| 850 | ccb = cam_periph_getccb(periph, /*priority*/ 1); |
| 851 | |
| 852 | scsi_move_medium(&ccb->csio, |
| 853 | /* retries */ 1, |
| 854 | /* cbfcnp */ chdone, |
| 855 | /* tag_action */ MSG_SIMPLE_Q_TAG, |
| 856 | /* tea */ softc->sc_picker, |
| 857 | /* src */ fromelem, |
| 858 | /* dst */ toelem, |
| 859 | /* invert */ (cm->cm_flags & CM_INVERT) ? TRUE : FALSE, |
| 860 | /* sense_len */ SSD_FULL_SIZE, |
| 861 | /* timeout */ CH_TIMEOUT_MOVE_MEDIUM); |
| 862 | |
| 863 | error = cam_periph_runccb(ccb, cherror, /*cam_flags*/0, |
| 864 | /*sense_flags*/ SF_RETRY_UA | SF_RETRY_SELTO, |
| 865 | &softc->device_stats); |
| 866 | |
| 867 | xpt_release_ccb(ccb); |
| 868 | |
| 869 | return(error); |
| 870 | } |
| 871 | |
| 872 | static int |
| 873 | chexchange(struct cam_periph *periph, struct changer_exchange *ce) |
| 874 | { |
| 875 | struct ch_softc *softc; |
| 876 | u_int16_t src, dst1, dst2; |
| 877 | union ccb *ccb; |
| 878 | int error; |
| 879 | |
| 880 | error = 0; |
| 881 | softc = (struct ch_softc *)periph->softc; |
| 882 | /* |
| 883 | * Check arguments. |
| 884 | */ |
| 885 | if ((ce->ce_srctype > CHET_DT) || (ce->ce_fdsttype > CHET_DT) || |
| 886 | (ce->ce_sdsttype > CHET_DT)) |
| 887 | return (EINVAL); |
| 888 | if ((ce->ce_srcunit > (softc->sc_counts[ce->ce_srctype] - 1)) || |
| 889 | (ce->ce_fdstunit > (softc->sc_counts[ce->ce_fdsttype] - 1)) || |
| 890 | (ce->ce_sdstunit > (softc->sc_counts[ce->ce_sdsttype] - 1))) |
| 891 | return (ENODEV); |
| 892 | |
| 893 | /* |
| 894 | * Check the request against the changer's capabilities. |
| 895 | */ |
| 896 | if (((softc->sc_exchangemask[ce->ce_srctype] & |
| 897 | (1 << ce->ce_fdsttype)) == 0) || |
| 898 | ((softc->sc_exchangemask[ce->ce_fdsttype] & |
| 899 | (1 << ce->ce_sdsttype)) == 0)) |
| 900 | return (ENODEV); |
| 901 | |
| 902 | /* |
| 903 | * Calculate the source and destination elements. |
| 904 | */ |
| 905 | src = softc->sc_firsts[ce->ce_srctype] + ce->ce_srcunit; |
| 906 | dst1 = softc->sc_firsts[ce->ce_fdsttype] + ce->ce_fdstunit; |
| 907 | dst2 = softc->sc_firsts[ce->ce_sdsttype] + ce->ce_sdstunit; |
| 908 | |
| 909 | ccb = cam_periph_getccb(periph, /*priority*/ 1); |
| 910 | |
| 911 | scsi_exchange_medium(&ccb->csio, |
| 912 | /* retries */ 1, |
| 913 | /* cbfcnp */ chdone, |
| 914 | /* tag_action */ MSG_SIMPLE_Q_TAG, |
| 915 | /* tea */ softc->sc_picker, |
| 916 | /* src */ src, |
| 917 | /* dst1 */ dst1, |
| 918 | /* dst2 */ dst2, |
| 919 | /* invert1 */ (ce->ce_flags & CE_INVERT1) ? |
| 920 | TRUE : FALSE, |
| 921 | /* invert2 */ (ce->ce_flags & CE_INVERT2) ? |
| 922 | TRUE : FALSE, |
| 923 | /* sense_len */ SSD_FULL_SIZE, |
| 924 | /* timeout */ CH_TIMEOUT_EXCHANGE_MEDIUM); |
| 925 | |
| 926 | error = cam_periph_runccb(ccb, cherror, /*cam_flags*/0, |
| 927 | /*sense_flags*/ SF_RETRY_UA | SF_RETRY_SELTO, |
| 928 | &softc->device_stats); |
| 929 | |
| 930 | xpt_release_ccb(ccb); |
| 931 | |
| 932 | return(error); |
| 933 | } |
| 934 | |
| 935 | static int |
| 936 | chposition(struct cam_periph *periph, struct changer_position *cp) |
| 937 | { |
| 938 | struct ch_softc *softc; |
| 939 | u_int16_t dst; |
| 940 | union ccb *ccb; |
| 941 | int error; |
| 942 | |
| 943 | error = 0; |
| 944 | softc = (struct ch_softc *)periph->softc; |
| 945 | |
| 946 | /* |
| 947 | * Check arguments. |
| 948 | */ |
| 949 | if (cp->cp_type > CHET_DT) |
| 950 | return (EINVAL); |
| 951 | if (cp->cp_unit > (softc->sc_counts[cp->cp_type] - 1)) |
| 952 | return (ENODEV); |
| 953 | |
| 954 | /* |
| 955 | * Calculate the destination element. |
| 956 | */ |
| 957 | dst = softc->sc_firsts[cp->cp_type] + cp->cp_unit; |
| 958 | |
| 959 | ccb = cam_periph_getccb(periph, /*priority*/ 1); |
| 960 | |
| 961 | scsi_position_to_element(&ccb->csio, |
| 962 | /* retries */ 1, |
| 963 | /* cbfcnp */ chdone, |
| 964 | /* tag_action */ MSG_SIMPLE_Q_TAG, |
| 965 | /* tea */ softc->sc_picker, |
| 966 | /* dst */ dst, |
| 967 | /* invert */ (cp->cp_flags & CP_INVERT) ? |
| 968 | TRUE : FALSE, |
| 969 | /* sense_len */ SSD_FULL_SIZE, |
| 970 | /* timeout */ CH_TIMEOUT_POSITION_TO_ELEMENT); |
| 971 | |
| 972 | error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ 0, |
| 973 | /*sense_flags*/ SF_RETRY_UA | SF_RETRY_SELTO, |
| 974 | &softc->device_stats); |
| 975 | |
| 976 | xpt_release_ccb(ccb); |
| 977 | |
| 978 | return(error); |
| 979 | } |
| 980 | |
| 981 | /* |
| 982 | * Copy a volume tag to a volume_tag struct, converting SCSI byte order |
| 983 | * to host native byte order in the volume serial number. The volume |
| 984 | * label as returned by the changer is transferred to user mode as |
| 985 | * nul-terminated string. Volume labels are truncated at the first |
| 986 | * space, as suggested by SCSI-2. |
| 987 | */ |
| 988 | static void |
| 989 | copy_voltag(struct changer_voltag *uvoltag, struct volume_tag *voltag) |
| 990 | { |
| 991 | int i; |
| 992 | for (i=0; i<CH_VOLTAG_MAXLEN; i++) { |
| 993 | char c = voltag->vif[i]; |
| 994 | if (c && c != ' ') |
| 995 | uvoltag->cv_volid[i] = c; |
| 996 | else |
| 997 | break; |
| 998 | } |
| 999 | uvoltag->cv_serial = scsi_2btoul(voltag->vsn); |
| 1000 | } |
| 1001 | |
| 1002 | /* |
| 1003 | * Copy an an element status descriptor to a user-mode |
| 1004 | * changer_element_status structure. |
| 1005 | */ |
| 1006 | |
| 1007 | static void |
| 1008 | copy_element_status(struct ch_softc *softc, |
| 1009 | u_int16_t flags, |
| 1010 | struct read_element_status_descriptor *desc, |
| 1011 | struct changer_element_status *ces) |
| 1012 | { |
| 1013 | u_int16_t eaddr = scsi_2btoul(desc->eaddr); |
| 1014 | u_int16_t et; |
| 1015 | |
| 1016 | ces->ces_int_addr = eaddr; |
| 1017 | /* set up logical address in element status */ |
| 1018 | for (et = CHET_MT; et <= CHET_DT; et++) { |
| 1019 | if ((softc->sc_firsts[et] <= eaddr) |
| 1020 | && ((softc->sc_firsts[et] + softc->sc_counts[et]) |
| 1021 | > eaddr)) { |
| 1022 | ces->ces_addr = eaddr - softc->sc_firsts[et]; |
| 1023 | ces->ces_type = et; |
| 1024 | break; |
| 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | ces->ces_flags = desc->flags1; |
| 1029 | |
| 1030 | ces->ces_sensecode = desc->sense_code; |
| 1031 | ces->ces_sensequal = desc->sense_qual; |
| 1032 | |
| 1033 | if (desc->flags2 & READ_ELEMENT_STATUS_INVERT) |
| 1034 | ces->ces_flags |= CES_INVERT; |
| 1035 | |
| 1036 | if (desc->flags2 & READ_ELEMENT_STATUS_SVALID) { |
| 1037 | |
| 1038 | eaddr = scsi_2btoul(desc->ssea); |
| 1039 | |
| 1040 | /* convert source address to logical format */ |
| 1041 | for (et = CHET_MT; et <= CHET_DT; et++) { |
| 1042 | if ((softc->sc_firsts[et] <= eaddr) |
| 1043 | && ((softc->sc_firsts[et] + softc->sc_counts[et]) |
| 1044 | > eaddr)) { |
| 1045 | ces->ces_source_addr = |
| 1046 | eaddr - softc->sc_firsts[et]; |
| 1047 | ces->ces_source_type = et; |
| 1048 | ces->ces_flags |= CES_SOURCE_VALID; |
| 1049 | break; |
| 1050 | } |
| 1051 | } |
| 1052 | |
| 1053 | if (!(ces->ces_flags & CES_SOURCE_VALID)) |
| 1054 | printf("ch: warning: could not map element source " |
| 1055 | "address %ud to a valid element type\n", |
| 1056 | eaddr); |
| 1057 | } |
| 1058 | |
| 1059 | |
| 1060 | if (flags & READ_ELEMENT_STATUS_PVOLTAG) |
| 1061 | copy_voltag(&(ces->ces_pvoltag), &(desc->pvoltag)); |
| 1062 | if (flags & READ_ELEMENT_STATUS_AVOLTAG) |
| 1063 | copy_voltag(&(ces->ces_avoltag), &(desc->avoltag)); |
| 1064 | |
| 1065 | if (desc->dt_scsi_flags & READ_ELEMENT_STATUS_DT_IDVALID) { |
| 1066 | ces->ces_flags |= CES_SCSIID_VALID; |
| 1067 | ces->ces_scsi_id = desc->dt_scsi_addr; |
| 1068 | } |
| 1069 | |
| 1070 | if (desc->dt_scsi_addr & READ_ELEMENT_STATUS_DT_LUVALID) { |
| 1071 | ces->ces_flags |= CES_LUN_VALID; |
| 1072 | ces->ces_scsi_lun = |
| 1073 | desc->dt_scsi_flags & READ_ELEMENT_STATUS_DT_LUNMASK; |
| 1074 | } |
| 1075 | } |
| 1076 | |
| 1077 | static int |
| 1078 | chgetelemstatus(struct cam_periph *periph, |
| 1079 | struct changer_element_status_request *cesr) |
| 1080 | { |
| 1081 | struct read_element_status_header *st_hdr; |
| 1082 | struct read_element_status_page_header *pg_hdr; |
| 1083 | struct read_element_status_descriptor *desc; |
| 1084 | caddr_t data = NULL; |
| 1085 | size_t size, desclen; |
| 1086 | int avail, i, error = 0; |
| 1087 | struct changer_element_status *user_data = NULL; |
| 1088 | struct ch_softc *softc; |
| 1089 | union ccb *ccb; |
| 1090 | int chet = cesr->cesr_element_type; |
| 1091 | int want_voltags = (cesr->cesr_flags & CESR_VOLTAGS) ? 1 : 0; |
| 1092 | |
| 1093 | softc = (struct ch_softc *)periph->softc; |
| 1094 | |
| 1095 | /* perform argument checking */ |
| 1096 | |
| 1097 | /* |
| 1098 | * Perform a range check on the cesr_element_{base,count} |
| 1099 | * request argument fields. |
| 1100 | */ |
| 1101 | if ((softc->sc_counts[chet] - cesr->cesr_element_base) <= 0 |
| 1102 | || (cesr->cesr_element_base + cesr->cesr_element_count) |
| 1103 | > softc->sc_counts[chet]) |
| 1104 | return (EINVAL); |
| 1105 | |
| 1106 | /* |
| 1107 | * Request one descriptor for the given element type. This |
| 1108 | * is used to determine the size of the descriptor so that |
| 1109 | * we can allocate enough storage for all of them. We assume |
| 1110 | * that the first one can fit into 1k. |
| 1111 | */ |
| 1112 | data = (caddr_t)malloc(1024, M_DEVBUF, M_INTWAIT); |
| 1113 | |
| 1114 | ccb = cam_periph_getccb(periph, /*priority*/ 1); |
| 1115 | |
| 1116 | scsi_read_element_status(&ccb->csio, |
| 1117 | /* retries */ 1, |
| 1118 | /* cbfcnp */ chdone, |
| 1119 | /* tag_action */ MSG_SIMPLE_Q_TAG, |
| 1120 | /* voltag */ want_voltags, |
| 1121 | /* sea */ softc->sc_firsts[chet], |
| 1122 | /* count */ 1, |
| 1123 | /* data_ptr */ data, |
| 1124 | /* dxfer_len */ 1024, |
| 1125 | /* sense_len */ SSD_FULL_SIZE, |
| 1126 | /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS); |
| 1127 | |
| 1128 | error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ 0, |
| 1129 | /*sense_flags*/ SF_RETRY_UA | SF_RETRY_SELTO, |
| 1130 | &softc->device_stats); |
| 1131 | |
| 1132 | if (error) |
| 1133 | goto done; |
| 1134 | |
| 1135 | st_hdr = (struct read_element_status_header *)data; |
| 1136 | pg_hdr = (struct read_element_status_page_header *)((uintptr_t)st_hdr + |
| 1137 | sizeof(struct read_element_status_header)); |
| 1138 | desclen = scsi_2btoul(pg_hdr->edl); |
| 1139 | |
| 1140 | size = sizeof(struct read_element_status_header) + |
| 1141 | sizeof(struct read_element_status_page_header) + |
| 1142 | (desclen * cesr->cesr_element_count); |
| 1143 | |
| 1144 | /* |
| 1145 | * Reallocate storage for descriptors and get them from the |
| 1146 | * device. |
| 1147 | */ |
| 1148 | free(data, M_DEVBUF); |
| 1149 | data = (caddr_t)malloc(size, M_DEVBUF, M_INTWAIT); |
| 1150 | |
| 1151 | scsi_read_element_status(&ccb->csio, |
| 1152 | /* retries */ 1, |
| 1153 | /* cbfcnp */ chdone, |
| 1154 | /* tag_action */ MSG_SIMPLE_Q_TAG, |
| 1155 | /* voltag */ want_voltags, |
| 1156 | /* sea */ softc->sc_firsts[chet] |
| 1157 | + cesr->cesr_element_base, |
| 1158 | /* count */ cesr->cesr_element_count, |
| 1159 | /* data_ptr */ data, |
| 1160 | /* dxfer_len */ size, |
| 1161 | /* sense_len */ SSD_FULL_SIZE, |
| 1162 | /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS); |
| 1163 | |
| 1164 | error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ 0, |
| 1165 | /*sense_flags*/ SF_RETRY_UA | SF_RETRY_SELTO, |
| 1166 | &softc->device_stats); |
| 1167 | |
| 1168 | if (error) |
| 1169 | goto done; |
| 1170 | |
| 1171 | /* |
| 1172 | * Fill in the user status array. |
| 1173 | */ |
| 1174 | st_hdr = (struct read_element_status_header *)data; |
| 1175 | avail = scsi_2btoul(st_hdr->count); |
| 1176 | |
| 1177 | if (avail != cesr->cesr_element_count) { |
| 1178 | xpt_print_path(periph->path); |
| 1179 | printf("warning, READ ELEMENT STATUS avail != count\n"); |
| 1180 | } |
| 1181 | |
| 1182 | user_data = (struct changer_element_status *) |
| 1183 | malloc(avail * sizeof(struct changer_element_status), |
| 1184 | M_DEVBUF, M_INTWAIT | M_ZERO); |
| 1185 | |
| 1186 | desc = (struct read_element_status_descriptor *)((uintptr_t)data + |
| 1187 | sizeof(struct read_element_status_header) + |
| 1188 | sizeof(struct read_element_status_page_header)); |
| 1189 | /* |
| 1190 | * Set up the individual element status structures |
| 1191 | */ |
| 1192 | for (i = 0; i < avail; ++i) { |
| 1193 | struct changer_element_status *ces = &(user_data[i]); |
| 1194 | |
| 1195 | copy_element_status(softc, pg_hdr->flags, desc, ces); |
| 1196 | |
| 1197 | desc = (struct read_element_status_descriptor *) |
| 1198 | ((uintptr_t)desc + desclen); |
| 1199 | } |
| 1200 | |
| 1201 | /* Copy element status structures out to userspace. */ |
| 1202 | error = copyout(user_data, |
| 1203 | cesr->cesr_element_status, |
| 1204 | avail * sizeof(struct changer_element_status)); |
| 1205 | |
| 1206 | done: |
| 1207 | xpt_release_ccb(ccb); |
| 1208 | |
| 1209 | if (data != NULL) |
| 1210 | free(data, M_DEVBUF); |
| 1211 | if (user_data != NULL) |
| 1212 | free(user_data, M_DEVBUF); |
| 1213 | |
| 1214 | return (error); |
| 1215 | } |
| 1216 | |
| 1217 | static int |
| 1218 | chielem(struct cam_periph *periph, |
| 1219 | unsigned int timeout) |
| 1220 | { |
| 1221 | union ccb *ccb; |
| 1222 | struct ch_softc *softc; |
| 1223 | int error; |
| 1224 | |
| 1225 | if (!timeout) { |
| 1226 | timeout = CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS; |
| 1227 | } else { |
| 1228 | timeout *= 1000; |
| 1229 | } |
| 1230 | |
| 1231 | error = 0; |
| 1232 | softc = (struct ch_softc *)periph->softc; |
| 1233 | |
| 1234 | ccb = cam_periph_getccb(periph, /*priority*/ 1); |
| 1235 | |
| 1236 | scsi_initialize_element_status(&ccb->csio, |
| 1237 | /* retries */ 1, |
| 1238 | /* cbfcnp */ chdone, |
| 1239 | /* tag_action */ MSG_SIMPLE_Q_TAG, |
| 1240 | /* sense_len */ SSD_FULL_SIZE, |
| 1241 | /* timeout */ timeout); |
| 1242 | |
| 1243 | error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ 0, |
| 1244 | /*sense_flags*/ SF_RETRY_UA | SF_RETRY_SELTO, |
| 1245 | &softc->device_stats); |
| 1246 | |
| 1247 | xpt_release_ccb(ccb); |
| 1248 | |
| 1249 | return(error); |
| 1250 | } |
| 1251 | |
| 1252 | static int |
| 1253 | chsetvoltag(struct cam_periph *periph, |
| 1254 | struct changer_set_voltag_request *csvr) |
| 1255 | { |
| 1256 | union ccb *ccb; |
| 1257 | struct ch_softc *softc; |
| 1258 | u_int16_t ea; |
| 1259 | u_int8_t sac; |
| 1260 | struct scsi_send_volume_tag_parameters ssvtp; |
| 1261 | int error; |
| 1262 | int i; |
| 1263 | |
| 1264 | error = 0; |
| 1265 | softc = (struct ch_softc *)periph->softc; |
| 1266 | |
| 1267 | bzero(&ssvtp, sizeof(ssvtp)); |
| 1268 | for (i=0; i<sizeof(ssvtp.vitf); i++) { |
| 1269 | ssvtp.vitf[i] = ' '; |
| 1270 | } |
| 1271 | |
| 1272 | /* |
| 1273 | * Check arguments. |
| 1274 | */ |
| 1275 | if (csvr->csvr_type > CHET_DT) |
| 1276 | return EINVAL; |
| 1277 | if (csvr->csvr_addr > (softc->sc_counts[csvr->csvr_type] - 1)) |
| 1278 | return ENODEV; |
| 1279 | |
| 1280 | ea = softc->sc_firsts[csvr->csvr_type] + csvr->csvr_addr; |
| 1281 | |
| 1282 | if (csvr->csvr_flags & CSVR_ALTERNATE) { |
| 1283 | switch (csvr->csvr_flags & CSVR_MODE_MASK) { |
| 1284 | case CSVR_MODE_SET: |
| 1285 | sac = SEND_VOLUME_TAG_ASSERT_ALTERNATE; |
| 1286 | break; |
| 1287 | case CSVR_MODE_REPLACE: |
| 1288 | sac = SEND_VOLUME_TAG_REPLACE_ALTERNATE; |
| 1289 | break; |
| 1290 | case CSVR_MODE_CLEAR: |
| 1291 | sac = SEND_VOLUME_TAG_UNDEFINED_ALTERNATE; |
| 1292 | break; |
| 1293 | default: |
| 1294 | error = EINVAL; |
| 1295 | goto out; |
| 1296 | } |
| 1297 | } else { |
| 1298 | switch (csvr->csvr_flags & CSVR_MODE_MASK) { |
| 1299 | case CSVR_MODE_SET: |
| 1300 | sac = SEND_VOLUME_TAG_ASSERT_PRIMARY; |
| 1301 | break; |
| 1302 | case CSVR_MODE_REPLACE: |
| 1303 | sac = SEND_VOLUME_TAG_REPLACE_PRIMARY; |
| 1304 | break; |
| 1305 | case CSVR_MODE_CLEAR: |
| 1306 | sac = SEND_VOLUME_TAG_UNDEFINED_PRIMARY; |
| 1307 | break; |
| 1308 | default: |
| 1309 | error = EINVAL; |
| 1310 | goto out; |
| 1311 | } |
| 1312 | } |
| 1313 | |
| 1314 | memcpy(ssvtp.vitf, csvr->csvr_voltag.cv_volid, |
| 1315 | min(strlen(csvr->csvr_voltag.cv_volid), sizeof(ssvtp.vitf))); |
| 1316 | scsi_ulto2b(csvr->csvr_voltag.cv_serial, ssvtp.minvsn); |
| 1317 | |
| 1318 | ccb = cam_periph_getccb(periph, /*priority*/ 1); |
| 1319 | |
| 1320 | scsi_send_volume_tag(&ccb->csio, |
| 1321 | /* retries */ 1, |
| 1322 | /* cbfcnp */ chdone, |
| 1323 | /* tag_action */ MSG_SIMPLE_Q_TAG, |
| 1324 | /* element_address */ ea, |
| 1325 | /* send_action_code */ sac, |
| 1326 | /* parameters */ &ssvtp, |
| 1327 | /* sense_len */ SSD_FULL_SIZE, |
| 1328 | /* timeout */ CH_TIMEOUT_SEND_VOLTAG); |
| 1329 | |
| 1330 | error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ 0, |
| 1331 | /*sense_flags*/ SF_RETRY_UA | SF_RETRY_SELTO, |
| 1332 | &softc->device_stats); |
| 1333 | |
| 1334 | xpt_release_ccb(ccb); |
| 1335 | |
| 1336 | out: |
| 1337 | return error; |
| 1338 | } |
| 1339 | |
| 1340 | static int |
| 1341 | chgetparams(struct cam_periph *periph) |
| 1342 | { |
| 1343 | union ccb *ccb; |
| 1344 | struct ch_softc *softc; |
| 1345 | void *mode_buffer; |
| 1346 | int mode_buffer_len; |
| 1347 | struct page_element_address_assignment *ea; |
| 1348 | struct page_device_capabilities *cap; |
| 1349 | int error, from, dbd; |
| 1350 | u_int8_t *moves, *exchanges; |
| 1351 | |
| 1352 | error = 0; |
| 1353 | |
| 1354 | softc = (struct ch_softc *)periph->softc; |
| 1355 | |
| 1356 | ccb = cam_periph_getccb(periph, /*priority*/ 1); |
| 1357 | |
| 1358 | /* |
| 1359 | * The scsi_mode_sense_data structure is just a convenience |
| 1360 | * structure that allows us to easily calculate the worst-case |
| 1361 | * storage size of the mode sense buffer. |
| 1362 | */ |
| 1363 | mode_buffer_len = sizeof(struct scsi_mode_sense_data); |
| 1364 | |
| 1365 | mode_buffer = malloc(mode_buffer_len, M_TEMP, M_INTWAIT | M_ZERO); |
| 1366 | |
| 1367 | if (softc->quirks & CH_Q_NO_DBD) |
| 1368 | dbd = FALSE; |
| 1369 | else |
| 1370 | dbd = TRUE; |
| 1371 | |
| 1372 | /* |
| 1373 | * Get the element address assignment page. |
| 1374 | */ |
| 1375 | scsi_mode_sense(&ccb->csio, |
| 1376 | /* retries */ 1, |
| 1377 | /* cbfcnp */ chdone, |
| 1378 | /* tag_action */ MSG_SIMPLE_Q_TAG, |
| 1379 | /* dbd */ dbd, |
| 1380 | /* page_code */ SMS_PAGE_CTRL_CURRENT, |
| 1381 | /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE, |
| 1382 | /* param_buf */ (u_int8_t *)mode_buffer, |
| 1383 | /* param_len */ mode_buffer_len, |
| 1384 | /* sense_len */ SSD_FULL_SIZE, |
| 1385 | /* timeout */ CH_TIMEOUT_MODE_SENSE); |
| 1386 | |
| 1387 | error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ 0, |
| 1388 | /* sense_flags */ SF_RETRY_UA | |
| 1389 | SF_NO_PRINT | SF_RETRY_SELTO, |
| 1390 | &softc->device_stats); |
| 1391 | |
| 1392 | if (error) { |
| 1393 | if (dbd) { |
| 1394 | struct scsi_mode_sense_6 *sms; |
| 1395 | |
| 1396 | sms = (struct scsi_mode_sense_6 *) |
| 1397 | ccb->csio.cdb_io.cdb_bytes; |
| 1398 | |
| 1399 | sms->byte2 &= ~SMS_DBD; |
| 1400 | error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ 0, |
| 1401 | /*sense_flags*/ SF_RETRY_UA | |
| 1402 | SF_RETRY_SELTO, |
| 1403 | &softc->device_stats); |
| 1404 | } else { |
| 1405 | /* |
| 1406 | * Since we disabled sense printing above, print |
| 1407 | * out the sense here since we got an error. |
| 1408 | */ |
| 1409 | scsi_sense_print(&ccb->csio); |
| 1410 | } |
| 1411 | |
| 1412 | if (error) { |
| 1413 | xpt_print_path(periph->path); |
| 1414 | printf("chgetparams: error getting element " |
| 1415 | "address page\n"); |
| 1416 | xpt_release_ccb(ccb); |
| 1417 | free(mode_buffer, M_TEMP); |
| 1418 | return(error); |
| 1419 | } |
| 1420 | } |
| 1421 | |
| 1422 | ea = (struct page_element_address_assignment *) |
| 1423 | find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer); |
| 1424 | |
| 1425 | softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea); |
| 1426 | softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte); |
| 1427 | softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea); |
| 1428 | softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse); |
| 1429 | softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea); |
| 1430 | softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee); |
| 1431 | softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea); |
| 1432 | softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte); |
| 1433 | |
| 1434 | bzero(mode_buffer, mode_buffer_len); |
| 1435 | |
| 1436 | /* |
| 1437 | * Now get the device capabilities page. |
| 1438 | */ |
| 1439 | scsi_mode_sense(&ccb->csio, |
| 1440 | /* retries */ 1, |
| 1441 | /* cbfcnp */ chdone, |
| 1442 | /* tag_action */ MSG_SIMPLE_Q_TAG, |
| 1443 | /* dbd */ dbd, |
| 1444 | /* page_code */ SMS_PAGE_CTRL_CURRENT, |
| 1445 | /* page */ CH_DEVICE_CAP_PAGE, |
| 1446 | /* param_buf */ (u_int8_t *)mode_buffer, |
| 1447 | /* param_len */ mode_buffer_len, |
| 1448 | /* sense_len */ SSD_FULL_SIZE, |
| 1449 | /* timeout */ CH_TIMEOUT_MODE_SENSE); |
| 1450 | |
| 1451 | error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ 0, |
| 1452 | /* sense_flags */ SF_RETRY_UA | SF_NO_PRINT | |
| 1453 | SF_RETRY_SELTO, &softc->device_stats); |
| 1454 | |
| 1455 | if (error) { |
| 1456 | if (dbd) { |
| 1457 | struct scsi_mode_sense_6 *sms; |
| 1458 | |
| 1459 | sms = (struct scsi_mode_sense_6 *) |
| 1460 | ccb->csio.cdb_io.cdb_bytes; |
| 1461 | |
| 1462 | sms->byte2 &= ~SMS_DBD; |
| 1463 | error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ 0, |
| 1464 | /*sense_flags*/ SF_RETRY_UA | |
| 1465 | SF_RETRY_SELTO, |
| 1466 | &softc->device_stats); |
| 1467 | } else { |
| 1468 | /* |
| 1469 | * Since we disabled sense printing above, print |
| 1470 | * out the sense here since we got an error. |
| 1471 | */ |
| 1472 | scsi_sense_print(&ccb->csio); |
| 1473 | } |
| 1474 | |
| 1475 | if (error) { |
| 1476 | xpt_print_path(periph->path); |
| 1477 | printf("chgetparams: error getting device " |
| 1478 | "capabilities page\n"); |
| 1479 | xpt_release_ccb(ccb); |
| 1480 | free(mode_buffer, M_TEMP); |
| 1481 | return(error); |
| 1482 | } |
| 1483 | } |
| 1484 | |
| 1485 | xpt_release_ccb(ccb); |
| 1486 | |
| 1487 | cap = (struct page_device_capabilities *) |
| 1488 | find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer); |
| 1489 | |
| 1490 | bzero(softc->sc_movemask, sizeof(softc->sc_movemask)); |
| 1491 | bzero(softc->sc_exchangemask, sizeof(softc->sc_exchangemask)); |
| 1492 | moves = &cap->move_from_mt; |
| 1493 | exchanges = &cap->exchange_with_mt; |
| 1494 | for (from = CHET_MT; from <= CHET_DT; ++from) { |
| 1495 | softc->sc_movemask[from] = moves[from]; |
| 1496 | softc->sc_exchangemask[from] = exchanges[from]; |
| 1497 | } |
| 1498 | |
| 1499 | free(mode_buffer, M_TEMP); |
| 1500 | |
| 1501 | return(error); |
| 1502 | } |
| 1503 | |
| 1504 | void |
| 1505 | scsi_move_medium(struct ccb_scsiio *csio, u_int32_t retries, |
| 1506 | void (*cbfcnp)(struct cam_periph *, union ccb *), |
| 1507 | u_int8_t tag_action, u_int32_t tea, u_int32_t src, |
| 1508 | u_int32_t dst, int invert, u_int8_t sense_len, |
| 1509 | u_int32_t timeout) |
| 1510 | { |
| 1511 | struct scsi_move_medium *scsi_cmd; |
| 1512 | |
| 1513 | scsi_cmd = (struct scsi_move_medium *)&csio->cdb_io.cdb_bytes; |
| 1514 | bzero(scsi_cmd, sizeof(*scsi_cmd)); |
| 1515 | |
| 1516 | scsi_cmd->opcode = MOVE_MEDIUM; |
| 1517 | |
| 1518 | scsi_ulto2b(tea, scsi_cmd->tea); |
| 1519 | scsi_ulto2b(src, scsi_cmd->src); |
| 1520 | scsi_ulto2b(dst, scsi_cmd->dst); |
| 1521 | |
| 1522 | if (invert) |
| 1523 | scsi_cmd->invert |= MOVE_MEDIUM_INVERT; |
| 1524 | |
| 1525 | cam_fill_csio(csio, |
| 1526 | retries, |
| 1527 | cbfcnp, |
| 1528 | /*flags*/ CAM_DIR_NONE, |
| 1529 | tag_action, |
| 1530 | /*data_ptr*/ NULL, |
| 1531 | /*dxfer_len*/ 0, |
| 1532 | sense_len, |
| 1533 | sizeof(*scsi_cmd), |
| 1534 | timeout); |
| 1535 | } |
| 1536 | |
| 1537 | void |
| 1538 | scsi_exchange_medium(struct ccb_scsiio *csio, u_int32_t retries, |
| 1539 | void (*cbfcnp)(struct cam_periph *, union ccb *), |
| 1540 | u_int8_t tag_action, u_int32_t tea, u_int32_t src, |
| 1541 | u_int32_t dst1, u_int32_t dst2, int invert1, |
| 1542 | int invert2, u_int8_t sense_len, u_int32_t timeout) |
| 1543 | { |
| 1544 | struct scsi_exchange_medium *scsi_cmd; |
| 1545 | |
| 1546 | scsi_cmd = (struct scsi_exchange_medium *)&csio->cdb_io.cdb_bytes; |
| 1547 | bzero(scsi_cmd, sizeof(*scsi_cmd)); |
| 1548 | |
| 1549 | scsi_cmd->opcode = EXCHANGE_MEDIUM; |
| 1550 | |
| 1551 | scsi_ulto2b(tea, scsi_cmd->tea); |
| 1552 | scsi_ulto2b(src, scsi_cmd->src); |
| 1553 | scsi_ulto2b(dst1, scsi_cmd->fdst); |
| 1554 | scsi_ulto2b(dst2, scsi_cmd->sdst); |
| 1555 | |
| 1556 | if (invert1) |
| 1557 | scsi_cmd->invert |= EXCHANGE_MEDIUM_INV1; |
| 1558 | |
| 1559 | if (invert2) |
| 1560 | scsi_cmd->invert |= EXCHANGE_MEDIUM_INV2; |
| 1561 | |
| 1562 | cam_fill_csio(csio, |
| 1563 | retries, |
| 1564 | cbfcnp, |
| 1565 | /*flags*/ CAM_DIR_NONE, |
| 1566 | tag_action, |
| 1567 | /*data_ptr*/ NULL, |
| 1568 | /*dxfer_len*/ 0, |
| 1569 | sense_len, |
| 1570 | sizeof(*scsi_cmd), |
| 1571 | timeout); |
| 1572 | } |
| 1573 | |
| 1574 | void |
| 1575 | scsi_position_to_element(struct ccb_scsiio *csio, u_int32_t retries, |
| 1576 | void (*cbfcnp)(struct cam_periph *, union ccb *), |
| 1577 | u_int8_t tag_action, u_int32_t tea, u_int32_t dst, |
| 1578 | int invert, u_int8_t sense_len, u_int32_t timeout) |
| 1579 | { |
| 1580 | struct scsi_position_to_element *scsi_cmd; |
| 1581 | |
| 1582 | scsi_cmd = (struct scsi_position_to_element *)&csio->cdb_io.cdb_bytes; |
| 1583 | bzero(scsi_cmd, sizeof(*scsi_cmd)); |
| 1584 | |
| 1585 | scsi_cmd->opcode = POSITION_TO_ELEMENT; |
| 1586 | |
| 1587 | scsi_ulto2b(tea, scsi_cmd->tea); |
| 1588 | scsi_ulto2b(dst, scsi_cmd->dst); |
| 1589 | |
| 1590 | if (invert) |
| 1591 | scsi_cmd->invert |= POSITION_TO_ELEMENT_INVERT; |
| 1592 | |
| 1593 | cam_fill_csio(csio, |
| 1594 | retries, |
| 1595 | cbfcnp, |
| 1596 | /*flags*/ CAM_DIR_NONE, |
| 1597 | tag_action, |
| 1598 | /*data_ptr*/ NULL, |
| 1599 | /*dxfer_len*/ 0, |
| 1600 | sense_len, |
| 1601 | sizeof(*scsi_cmd), |
| 1602 | timeout); |
| 1603 | } |
| 1604 | |
| 1605 | void |
| 1606 | scsi_read_element_status(struct ccb_scsiio *csio, u_int32_t retries, |
| 1607 | void (*cbfcnp)(struct cam_periph *, union ccb *), |
| 1608 | u_int8_t tag_action, int voltag, u_int32_t sea, |
| 1609 | u_int32_t count, u_int8_t *data_ptr, |
| 1610 | u_int32_t dxfer_len, u_int8_t sense_len, |
| 1611 | u_int32_t timeout) |
| 1612 | { |
| 1613 | struct scsi_read_element_status *scsi_cmd; |
| 1614 | |
| 1615 | scsi_cmd = (struct scsi_read_element_status *)&csio->cdb_io.cdb_bytes; |
| 1616 | bzero(scsi_cmd, sizeof(*scsi_cmd)); |
| 1617 | |
| 1618 | scsi_cmd->opcode = READ_ELEMENT_STATUS; |
| 1619 | |
| 1620 | scsi_ulto2b(sea, scsi_cmd->sea); |
| 1621 | scsi_ulto2b(count, scsi_cmd->count); |
| 1622 | scsi_ulto3b(dxfer_len, scsi_cmd->len); |
| 1623 | |
| 1624 | if (voltag) |
| 1625 | scsi_cmd->byte2 |= READ_ELEMENT_STATUS_VOLTAG; |
| 1626 | |
| 1627 | cam_fill_csio(csio, |
| 1628 | retries, |
| 1629 | cbfcnp, |
| 1630 | /*flags*/ CAM_DIR_IN, |
| 1631 | tag_action, |
| 1632 | data_ptr, |
| 1633 | dxfer_len, |
| 1634 | sense_len, |
| 1635 | sizeof(*scsi_cmd), |
| 1636 | timeout); |
| 1637 | } |
| 1638 | |
| 1639 | void |
| 1640 | scsi_initialize_element_status(struct ccb_scsiio *csio, u_int32_t retries, |
| 1641 | void (*cbfcnp)(struct cam_periph *, union ccb *), |
| 1642 | u_int8_t tag_action, u_int8_t sense_len, |
| 1643 | u_int32_t timeout) |
| 1644 | { |
| 1645 | struct scsi_initialize_element_status *scsi_cmd; |
| 1646 | |
| 1647 | scsi_cmd = (struct scsi_initialize_element_status *) |
| 1648 | &csio->cdb_io.cdb_bytes; |
| 1649 | bzero(scsi_cmd, sizeof(*scsi_cmd)); |
| 1650 | |
| 1651 | scsi_cmd->opcode = INITIALIZE_ELEMENT_STATUS; |
| 1652 | |
| 1653 | cam_fill_csio(csio, |
| 1654 | retries, |
| 1655 | cbfcnp, |
| 1656 | /*flags*/ CAM_DIR_NONE, |
| 1657 | tag_action, |
| 1658 | /* data_ptr */ NULL, |
| 1659 | /* dxfer_len */ 0, |
| 1660 | sense_len, |
| 1661 | sizeof(*scsi_cmd), |
| 1662 | timeout); |
| 1663 | } |
| 1664 | |
| 1665 | void |
| 1666 | scsi_send_volume_tag(struct ccb_scsiio *csio, u_int32_t retries, |
| 1667 | void (*cbfcnp)(struct cam_periph *, union ccb *), |
| 1668 | u_int8_t tag_action, |
| 1669 | u_int16_t element_address, |
| 1670 | u_int8_t send_action_code, |
| 1671 | struct scsi_send_volume_tag_parameters *parameters, |
| 1672 | u_int8_t sense_len, u_int32_t timeout) |
| 1673 | { |
| 1674 | struct scsi_send_volume_tag *scsi_cmd; |
| 1675 | |
| 1676 | scsi_cmd = (struct scsi_send_volume_tag *) &csio->cdb_io.cdb_bytes; |
| 1677 | bzero(scsi_cmd, sizeof(*scsi_cmd)); |
| 1678 | |
| 1679 | scsi_cmd->opcode = SEND_VOLUME_TAG; |
| 1680 | scsi_ulto2b(element_address, scsi_cmd->ea); |
| 1681 | scsi_cmd->sac = send_action_code; |
| 1682 | scsi_ulto2b(sizeof(*parameters), scsi_cmd->pll); |
| 1683 | |
| 1684 | cam_fill_csio(csio, |
| 1685 | retries, |
| 1686 | cbfcnp, |
| 1687 | /*flags*/ CAM_DIR_OUT, |
| 1688 | tag_action, |
| 1689 | /* data_ptr */ (u_int8_t *) parameters, |
| 1690 | sizeof(*parameters), |
| 1691 | sense_len, |
| 1692 | sizeof(*scsi_cmd), |
| 1693 | timeout); |
| 1694 | } |