1 /*- 2 * Generic routines for LSI Fusion adapters. 3 * FreeBSD Version. 4 * 5 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-3-Clause 6 * 7 * Copyright (c) 2000, 2001 by Greg Ansley 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice immediately at the beginning of the file, without modification, 14 * this list of conditions, and the following disclaimer. 15 * 2. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 /*- 31 * Copyright (c) 2002, 2006 by Matthew Jacob 32 * All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions are 36 * met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 40 * substantially similar to the "NO WARRANTY" disclaimer below 41 * ("Disclaimer") and any redistribution must be conditioned upon including 42 * a substantially similar Disclaimer requirement for further binary 43 * redistribution. 44 * 3. Neither the names of the above listed copyright holders nor the names 45 * of any contributors may be used to endorse or promote products derived 46 * from this software without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 49 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 52 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 53 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 54 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 55 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 56 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 57 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 58 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 59 * 60 * Support from Chris Ellsworth in order to make SAS adapters work 61 * is gratefully acknowledged. 62 * 63 * 64 * Support from LSI-Logic has also gone a great deal toward making this a 65 * workable subsystem and is gratefully acknowledged. 66 */ 67 /*- 68 * Copyright (c) 2004, Avid Technology, Inc. and its contributors. 69 * Copyright (c) 2005, WHEEL Sp. z o.o. 70 * Copyright (c) 2004, 2005 Justin T. Gibbs 71 * All rights reserved. 72 * 73 * Redistribution and use in source and binary forms, with or without 74 * modification, are permitted provided that the following conditions are 75 * met: 76 * 1. Redistributions of source code must retain the above copyright 77 * notice, this list of conditions and the following disclaimer. 78 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 79 * substantially similar to the "NO WARRANTY" disclaimer below 80 * ("Disclaimer") and any redistribution must be conditioned upon including 81 * a substantially similar Disclaimer requirement for further binary 82 * redistribution. 83 * 3. Neither the names of the above listed copyright holders nor the names 84 * of any contributors may be used to endorse or promote products derived 85 * from this software without specific prior written permission. 86 * 87 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 88 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 89 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 90 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 91 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 92 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 93 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 94 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 95 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 96 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 97 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 98 */ 99 100 #include <sys/cdefs.h> 101 __FBSDID("$FreeBSD$"); 102 103 #include <dev/mpt/mpt.h> 104 #include <dev/mpt/mpt_cam.h> /* XXX For static handler registration */ 105 #include <dev/mpt/mpt_raid.h> /* XXX For static handler registration */ 106 107 #include <dev/mpt/mpilib/mpi.h> 108 #include <dev/mpt/mpilib/mpi_ioc.h> 109 #include <dev/mpt/mpilib/mpi_fc.h> 110 #include <dev/mpt/mpilib/mpi_targ.h> 111 112 #include <sys/sysctl.h> 113 114 #define MPT_MAX_TRYS 3 115 #define MPT_MAX_WAIT 300000 116 117 static int maxwait_ack = 0; 118 static int maxwait_int = 0; 119 static int maxwait_state = 0; 120 121 static TAILQ_HEAD(, mpt_softc) mpt_tailq = TAILQ_HEAD_INITIALIZER(mpt_tailq); 122 mpt_reply_handler_t *mpt_reply_handlers[MPT_NUM_REPLY_HANDLERS]; 123 124 static mpt_reply_handler_t mpt_default_reply_handler; 125 static mpt_reply_handler_t mpt_config_reply_handler; 126 static mpt_reply_handler_t mpt_handshake_reply_handler; 127 static mpt_reply_handler_t mpt_event_reply_handler; 128 static void mpt_send_event_ack(struct mpt_softc *mpt, request_t *ack_req, 129 MSG_EVENT_NOTIFY_REPLY *msg, uint32_t context); 130 static int mpt_send_event_request(struct mpt_softc *mpt, int onoff); 131 static int mpt_soft_reset(struct mpt_softc *mpt); 132 static void mpt_hard_reset(struct mpt_softc *mpt); 133 static int mpt_dma_buf_alloc(struct mpt_softc *mpt); 134 static void mpt_dma_buf_free(struct mpt_softc *mpt); 135 static int mpt_configure_ioc(struct mpt_softc *mpt, int, int); 136 static int mpt_enable_ioc(struct mpt_softc *mpt, int); 137 138 /************************* Personality Module Support *************************/ 139 /* 140 * We include one extra entry that is guaranteed to be NULL 141 * to simplify our itterator. 142 */ 143 static struct mpt_personality *mpt_personalities[MPT_MAX_PERSONALITIES + 1]; 144 static __inline struct mpt_personality* 145 mpt_pers_find(struct mpt_softc *, u_int); 146 static __inline struct mpt_personality* 147 mpt_pers_find_reverse(struct mpt_softc *, u_int); 148 149 static __inline struct mpt_personality * 150 mpt_pers_find(struct mpt_softc *mpt, u_int start_at) 151 { 152 KASSERT(start_at <= MPT_MAX_PERSONALITIES, 153 ("mpt_pers_find: starting position out of range")); 154 155 while (start_at < MPT_MAX_PERSONALITIES 156 && (mpt->mpt_pers_mask & (0x1 << start_at)) == 0) { 157 start_at++; 158 } 159 return (mpt_personalities[start_at]); 160 } 161 162 /* 163 * Used infrequently, so no need to optimize like a forward 164 * traversal where we use the MAX+1 is guaranteed to be NULL 165 * trick. 166 */ 167 static __inline struct mpt_personality * 168 mpt_pers_find_reverse(struct mpt_softc *mpt, u_int start_at) 169 { 170 while (start_at < MPT_MAX_PERSONALITIES 171 && (mpt->mpt_pers_mask & (0x1 << start_at)) == 0) { 172 start_at--; 173 } 174 if (start_at < MPT_MAX_PERSONALITIES) 175 return (mpt_personalities[start_at]); 176 return (NULL); 177 } 178 179 #define MPT_PERS_FOREACH(mpt, pers) \ 180 for (pers = mpt_pers_find(mpt, /*start_at*/0); \ 181 pers != NULL; \ 182 pers = mpt_pers_find(mpt, /*start_at*/pers->id+1)) 183 184 #define MPT_PERS_FOREACH_REVERSE(mpt, pers) \ 185 for (pers = mpt_pers_find_reverse(mpt, MPT_MAX_PERSONALITIES-1);\ 186 pers != NULL; \ 187 pers = mpt_pers_find_reverse(mpt, /*start_at*/pers->id-1)) 188 189 static mpt_load_handler_t mpt_stdload; 190 static mpt_probe_handler_t mpt_stdprobe; 191 static mpt_attach_handler_t mpt_stdattach; 192 static mpt_enable_handler_t mpt_stdenable; 193 static mpt_ready_handler_t mpt_stdready; 194 static mpt_event_handler_t mpt_stdevent; 195 static mpt_reset_handler_t mpt_stdreset; 196 static mpt_shutdown_handler_t mpt_stdshutdown; 197 static mpt_detach_handler_t mpt_stddetach; 198 static mpt_unload_handler_t mpt_stdunload; 199 static struct mpt_personality mpt_default_personality = 200 { 201 .load = mpt_stdload, 202 .probe = mpt_stdprobe, 203 .attach = mpt_stdattach, 204 .enable = mpt_stdenable, 205 .ready = mpt_stdready, 206 .event = mpt_stdevent, 207 .reset = mpt_stdreset, 208 .shutdown = mpt_stdshutdown, 209 .detach = mpt_stddetach, 210 .unload = mpt_stdunload 211 }; 212 213 static mpt_load_handler_t mpt_core_load; 214 static mpt_attach_handler_t mpt_core_attach; 215 static mpt_enable_handler_t mpt_core_enable; 216 static mpt_reset_handler_t mpt_core_ioc_reset; 217 static mpt_event_handler_t mpt_core_event; 218 static mpt_shutdown_handler_t mpt_core_shutdown; 219 static mpt_shutdown_handler_t mpt_core_detach; 220 static mpt_unload_handler_t mpt_core_unload; 221 static struct mpt_personality mpt_core_personality = 222 { 223 .name = "mpt_core", 224 .load = mpt_core_load, 225 // .attach = mpt_core_attach, 226 // .enable = mpt_core_enable, 227 .event = mpt_core_event, 228 .reset = mpt_core_ioc_reset, 229 .shutdown = mpt_core_shutdown, 230 .detach = mpt_core_detach, 231 .unload = mpt_core_unload, 232 }; 233 234 /* 235 * Manual declaration so that DECLARE_MPT_PERSONALITY doesn't need 236 * ordering information. We want the core to always register FIRST. 237 * other modules are set to SI_ORDER_SECOND. 238 */ 239 static moduledata_t mpt_core_mod = { 240 "mpt_core", mpt_modevent, &mpt_core_personality 241 }; 242 DECLARE_MODULE(mpt_core, mpt_core_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST); 243 MODULE_VERSION(mpt_core, 1); 244 245 #define MPT_PERS_ATTACHED(pers, mpt) ((mpt)->mpt_pers_mask & (0x1 << pers->id)) 246 247 int 248 mpt_modevent(module_t mod, int type, void *data) 249 { 250 struct mpt_personality *pers; 251 int error; 252 253 pers = (struct mpt_personality *)data; 254 255 error = 0; 256 switch (type) { 257 case MOD_LOAD: 258 { 259 mpt_load_handler_t **def_handler; 260 mpt_load_handler_t **pers_handler; 261 int i; 262 263 for (i = 0; i < MPT_MAX_PERSONALITIES; i++) { 264 if (mpt_personalities[i] == NULL) 265 break; 266 } 267 if (i >= MPT_MAX_PERSONALITIES) { 268 error = ENOMEM; 269 break; 270 } 271 pers->id = i; 272 mpt_personalities[i] = pers; 273 274 /* Install standard/noop handlers for any NULL entries. */ 275 def_handler = MPT_PERS_FIRST_HANDLER(&mpt_default_personality); 276 pers_handler = MPT_PERS_FIRST_HANDLER(pers); 277 while (pers_handler <= MPT_PERS_LAST_HANDLER(pers)) { 278 if (*pers_handler == NULL) 279 *pers_handler = *def_handler; 280 pers_handler++; 281 def_handler++; 282 } 283 284 error = (pers->load(pers)); 285 if (error != 0) 286 mpt_personalities[i] = NULL; 287 break; 288 } 289 case MOD_SHUTDOWN: 290 break; 291 case MOD_QUIESCE: 292 break; 293 case MOD_UNLOAD: 294 error = pers->unload(pers); 295 mpt_personalities[pers->id] = NULL; 296 break; 297 default: 298 error = EINVAL; 299 break; 300 } 301 return (error); 302 } 303 304 static int 305 mpt_stdload(struct mpt_personality *pers) 306 { 307 308 /* Load is always successful. */ 309 return (0); 310 } 311 312 static int 313 mpt_stdprobe(struct mpt_softc *mpt) 314 { 315 316 /* Probe is always successful. */ 317 return (0); 318 } 319 320 static int 321 mpt_stdattach(struct mpt_softc *mpt) 322 { 323 324 /* Attach is always successful. */ 325 return (0); 326 } 327 328 static int 329 mpt_stdenable(struct mpt_softc *mpt) 330 { 331 332 /* Enable is always successful. */ 333 return (0); 334 } 335 336 static void 337 mpt_stdready(struct mpt_softc *mpt) 338 { 339 340 } 341 342 static int 343 mpt_stdevent(struct mpt_softc *mpt, request_t *req, MSG_EVENT_NOTIFY_REPLY *msg) 344 { 345 346 mpt_lprt(mpt, MPT_PRT_DEBUG, "mpt_stdevent: 0x%x\n", msg->Event & 0xFF); 347 /* Event was not for us. */ 348 return (0); 349 } 350 351 static void 352 mpt_stdreset(struct mpt_softc *mpt, int type) 353 { 354 355 } 356 357 static void 358 mpt_stdshutdown(struct mpt_softc *mpt) 359 { 360 361 } 362 363 static void 364 mpt_stddetach(struct mpt_softc *mpt) 365 { 366 367 } 368 369 static int 370 mpt_stdunload(struct mpt_personality *pers) 371 { 372 373 /* Unload is always successful. */ 374 return (0); 375 } 376 377 /* 378 * Post driver attachment, we may want to perform some global actions. 379 * Here is the hook to do so. 380 */ 381 382 static void 383 mpt_postattach(void *unused) 384 { 385 struct mpt_softc *mpt; 386 struct mpt_personality *pers; 387 388 TAILQ_FOREACH(mpt, &mpt_tailq, links) { 389 MPT_PERS_FOREACH(mpt, pers) 390 pers->ready(mpt); 391 } 392 } 393 SYSINIT(mptdev, SI_SUB_CONFIGURE, SI_ORDER_MIDDLE, mpt_postattach, NULL); 394 395 /******************************* Bus DMA Support ******************************/ 396 void 397 mpt_map_rquest(void *arg, bus_dma_segment_t *segs, int nseg, int error) 398 { 399 struct mpt_map_info *map_info; 400 401 map_info = (struct mpt_map_info *)arg; 402 map_info->error = error; 403 map_info->phys = segs->ds_addr; 404 } 405 406 /**************************** Reply/Event Handling ****************************/ 407 int 408 mpt_register_handler(struct mpt_softc *mpt, mpt_handler_type type, 409 mpt_handler_t handler, uint32_t *phandler_id) 410 { 411 412 switch (type) { 413 case MPT_HANDLER_REPLY: 414 { 415 u_int cbi; 416 u_int free_cbi; 417 418 if (phandler_id == NULL) 419 return (EINVAL); 420 421 free_cbi = MPT_HANDLER_ID_NONE; 422 for (cbi = 0; cbi < MPT_NUM_REPLY_HANDLERS; cbi++) { 423 /* 424 * If the same handler is registered multiple 425 * times, don't error out. Just return the 426 * index of the original registration. 427 */ 428 if (mpt_reply_handlers[cbi] == handler.reply_handler) { 429 *phandler_id = MPT_CBI_TO_HID(cbi); 430 return (0); 431 } 432 433 /* 434 * Fill from the front in the hope that 435 * all registered handlers consume only a 436 * single cache line. 437 * 438 * We don't break on the first empty slot so 439 * that the full table is checked to see if 440 * this handler was previously registered. 441 */ 442 if (free_cbi == MPT_HANDLER_ID_NONE && 443 (mpt_reply_handlers[cbi] 444 == mpt_default_reply_handler)) 445 free_cbi = cbi; 446 } 447 if (free_cbi == MPT_HANDLER_ID_NONE) { 448 return (ENOMEM); 449 } 450 mpt_reply_handlers[free_cbi] = handler.reply_handler; 451 *phandler_id = MPT_CBI_TO_HID(free_cbi); 452 break; 453 } 454 default: 455 mpt_prt(mpt, "mpt_register_handler unknown type %d\n", type); 456 return (EINVAL); 457 } 458 return (0); 459 } 460 461 int 462 mpt_deregister_handler(struct mpt_softc *mpt, mpt_handler_type type, 463 mpt_handler_t handler, uint32_t handler_id) 464 { 465 466 switch (type) { 467 case MPT_HANDLER_REPLY: 468 { 469 u_int cbi; 470 471 cbi = MPT_CBI(handler_id); 472 if (cbi >= MPT_NUM_REPLY_HANDLERS 473 || mpt_reply_handlers[cbi] != handler.reply_handler) 474 return (ENOENT); 475 mpt_reply_handlers[cbi] = mpt_default_reply_handler; 476 break; 477 } 478 default: 479 mpt_prt(mpt, "mpt_deregister_handler unknown type %d\n", type); 480 return (EINVAL); 481 } 482 return (0); 483 } 484 485 static int 486 mpt_default_reply_handler(struct mpt_softc *mpt, request_t *req, 487 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 488 { 489 490 mpt_prt(mpt, 491 "Default Handler Called: req=%p:%u reply_descriptor=%x frame=%p\n", 492 req, req->serno, reply_desc, reply_frame); 493 494 if (reply_frame != NULL) 495 mpt_dump_reply_frame(mpt, reply_frame); 496 497 mpt_prt(mpt, "Reply Frame Ignored\n"); 498 499 return (/*free_reply*/TRUE); 500 } 501 502 static int 503 mpt_config_reply_handler(struct mpt_softc *mpt, request_t *req, 504 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 505 { 506 507 if (req != NULL) { 508 if (reply_frame != NULL) { 509 MSG_CONFIG *cfgp; 510 MSG_CONFIG_REPLY *reply; 511 512 cfgp = (MSG_CONFIG *)req->req_vbuf; 513 reply = (MSG_CONFIG_REPLY *)reply_frame; 514 req->IOCStatus = le16toh(reply_frame->IOCStatus); 515 bcopy(&reply->Header, &cfgp->Header, 516 sizeof(cfgp->Header)); 517 cfgp->ExtPageLength = reply->ExtPageLength; 518 cfgp->ExtPageType = reply->ExtPageType; 519 } 520 req->state &= ~REQ_STATE_QUEUED; 521 req->state |= REQ_STATE_DONE; 522 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 523 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 524 wakeup(req); 525 } else if ((req->state & REQ_STATE_TIMEDOUT) != 0) { 526 /* 527 * Whew- we can free this request (late completion) 528 */ 529 mpt_free_request(mpt, req); 530 } 531 } 532 533 return (TRUE); 534 } 535 536 static int 537 mpt_handshake_reply_handler(struct mpt_softc *mpt, request_t *req, 538 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 539 { 540 541 /* Nothing to be done. */ 542 return (TRUE); 543 } 544 545 static int 546 mpt_event_reply_handler(struct mpt_softc *mpt, request_t *req, 547 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 548 { 549 int free_reply; 550 551 KASSERT(reply_frame != NULL, ("null reply in mpt_event_reply_handler")); 552 KASSERT(req != NULL, ("null request in mpt_event_reply_handler")); 553 554 free_reply = TRUE; 555 switch (reply_frame->Function) { 556 case MPI_FUNCTION_EVENT_NOTIFICATION: 557 { 558 MSG_EVENT_NOTIFY_REPLY *msg; 559 struct mpt_personality *pers; 560 u_int handled; 561 562 handled = 0; 563 msg = (MSG_EVENT_NOTIFY_REPLY *)reply_frame; 564 msg->EventDataLength = le16toh(msg->EventDataLength); 565 msg->IOCStatus = le16toh(msg->IOCStatus); 566 msg->IOCLogInfo = le32toh(msg->IOCLogInfo); 567 msg->Event = le32toh(msg->Event); 568 MPT_PERS_FOREACH(mpt, pers) 569 handled += pers->event(mpt, req, msg); 570 571 if (handled == 0 && mpt->mpt_pers_mask == 0) { 572 mpt_lprt(mpt, MPT_PRT_INFO, 573 "No Handlers For Any Event Notify Frames. " 574 "Event %#x (ACK %sequired).\n", 575 msg->Event, msg->AckRequired? "r" : "not r"); 576 } else if (handled == 0) { 577 mpt_lprt(mpt, 578 msg->AckRequired? MPT_PRT_WARN : MPT_PRT_INFO, 579 "Unhandled Event Notify Frame. Event %#x " 580 "(ACK %sequired).\n", 581 msg->Event, msg->AckRequired? "r" : "not r"); 582 } 583 584 if (msg->AckRequired) { 585 request_t *ack_req; 586 uint32_t context; 587 588 context = req->index | MPT_REPLY_HANDLER_EVENTS; 589 ack_req = mpt_get_request(mpt, FALSE); 590 if (ack_req == NULL) { 591 struct mpt_evtf_record *evtf; 592 593 evtf = (struct mpt_evtf_record *)reply_frame; 594 evtf->context = context; 595 LIST_INSERT_HEAD(&mpt->ack_frames, evtf, links); 596 free_reply = FALSE; 597 break; 598 } 599 mpt_send_event_ack(mpt, ack_req, msg, context); 600 /* 601 * Don't check for CONTINUATION_REPLY here 602 */ 603 return (free_reply); 604 } 605 break; 606 } 607 case MPI_FUNCTION_PORT_ENABLE: 608 mpt_lprt(mpt, MPT_PRT_DEBUG , "enable port reply\n"); 609 break; 610 case MPI_FUNCTION_EVENT_ACK: 611 break; 612 default: 613 mpt_prt(mpt, "unknown event function: %x\n", 614 reply_frame->Function); 615 break; 616 } 617 618 /* 619 * I'm not sure that this continuation stuff works as it should. 620 * 621 * I've had FC async events occur that free the frame up because 622 * the continuation bit isn't set, and then additional async events 623 * then occur using the same context. As you might imagine, this 624 * leads to Very Bad Thing. 625 * 626 * Let's just be safe for now and not free them up until we figure 627 * out what's actually happening here. 628 */ 629 #if 0 630 if ((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0) { 631 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 632 mpt_free_request(mpt, req); 633 mpt_prt(mpt, "event_reply %x for req %p:%u NOT a continuation", 634 reply_frame->Function, req, req->serno); 635 if (reply_frame->Function == MPI_FUNCTION_EVENT_NOTIFICATION) { 636 MSG_EVENT_NOTIFY_REPLY *msg = 637 (MSG_EVENT_NOTIFY_REPLY *)reply_frame; 638 mpt_prtc(mpt, " Event=0x%x AckReq=%d", 639 msg->Event, msg->AckRequired); 640 } 641 } else { 642 mpt_prt(mpt, "event_reply %x for %p:%u IS a continuation", 643 reply_frame->Function, req, req->serno); 644 if (reply_frame->Function == MPI_FUNCTION_EVENT_NOTIFICATION) { 645 MSG_EVENT_NOTIFY_REPLY *msg = 646 (MSG_EVENT_NOTIFY_REPLY *)reply_frame; 647 mpt_prtc(mpt, " Event=0x%x AckReq=%d", 648 msg->Event, msg->AckRequired); 649 } 650 mpt_prtc(mpt, "\n"); 651 } 652 #endif 653 return (free_reply); 654 } 655 656 /* 657 * Process an asynchronous event from the IOC. 658 */ 659 static int 660 mpt_core_event(struct mpt_softc *mpt, request_t *req, 661 MSG_EVENT_NOTIFY_REPLY *msg) 662 { 663 664 mpt_lprt(mpt, MPT_PRT_DEBUG, "mpt_core_event: 0x%x\n", 665 msg->Event & 0xFF); 666 switch(msg->Event & 0xFF) { 667 case MPI_EVENT_NONE: 668 break; 669 case MPI_EVENT_LOG_DATA: 670 { 671 int i; 672 673 /* Some error occurred that LSI wants logged */ 674 mpt_prt(mpt, "EvtLogData: IOCLogInfo: 0x%08x\n", 675 msg->IOCLogInfo); 676 mpt_prt(mpt, "\tEvtLogData: Event Data:"); 677 for (i = 0; i < msg->EventDataLength; i++) 678 mpt_prtc(mpt, " %08x", msg->Data[i]); 679 mpt_prtc(mpt, "\n"); 680 break; 681 } 682 case MPI_EVENT_EVENT_CHANGE: 683 /* 684 * This is just an acknowledgement 685 * of our mpt_send_event_request. 686 */ 687 break; 688 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 689 break; 690 default: 691 return (0); 692 break; 693 } 694 return (1); 695 } 696 697 static void 698 mpt_send_event_ack(struct mpt_softc *mpt, request_t *ack_req, 699 MSG_EVENT_NOTIFY_REPLY *msg, uint32_t context) 700 { 701 MSG_EVENT_ACK *ackp; 702 703 ackp = (MSG_EVENT_ACK *)ack_req->req_vbuf; 704 memset(ackp, 0, sizeof (*ackp)); 705 ackp->Function = MPI_FUNCTION_EVENT_ACK; 706 ackp->Event = htole32(msg->Event); 707 ackp->EventContext = htole32(msg->EventContext); 708 ackp->MsgContext = htole32(context); 709 mpt_check_doorbell(mpt); 710 mpt_send_cmd(mpt, ack_req); 711 } 712 713 /***************************** Interrupt Handling *****************************/ 714 void 715 mpt_intr(void *arg) 716 { 717 struct mpt_softc *mpt; 718 uint32_t reply_desc; 719 int ntrips = 0; 720 721 mpt = (struct mpt_softc *)arg; 722 mpt_lprt(mpt, MPT_PRT_DEBUG2, "enter mpt_intr\n"); 723 MPT_LOCK_ASSERT(mpt); 724 725 while ((reply_desc = mpt_pop_reply_queue(mpt)) != MPT_REPLY_EMPTY) { 726 request_t *req; 727 MSG_DEFAULT_REPLY *reply_frame; 728 uint32_t reply_baddr; 729 uint32_t ctxt_idx; 730 u_int cb_index; 731 u_int req_index; 732 u_int offset; 733 int free_rf; 734 735 req = NULL; 736 reply_frame = NULL; 737 reply_baddr = 0; 738 offset = 0; 739 if ((reply_desc & MPI_ADDRESS_REPLY_A_BIT) != 0) { 740 /* 741 * Ensure that the reply frame is coherent. 742 */ 743 reply_baddr = MPT_REPLY_BADDR(reply_desc); 744 offset = reply_baddr - (mpt->reply_phys & 0xFFFFFFFF); 745 bus_dmamap_sync_range(mpt->reply_dmat, 746 mpt->reply_dmap, offset, MPT_REPLY_SIZE, 747 BUS_DMASYNC_POSTREAD); 748 reply_frame = MPT_REPLY_OTOV(mpt, offset); 749 ctxt_idx = le32toh(reply_frame->MsgContext); 750 } else { 751 uint32_t type; 752 753 type = MPI_GET_CONTEXT_REPLY_TYPE(reply_desc); 754 ctxt_idx = reply_desc; 755 mpt_lprt(mpt, MPT_PRT_DEBUG1, "Context Reply: 0x%08x\n", 756 reply_desc); 757 758 switch (type) { 759 case MPI_CONTEXT_REPLY_TYPE_SCSI_INIT: 760 ctxt_idx &= MPI_CONTEXT_REPLY_CONTEXT_MASK; 761 break; 762 case MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET: 763 ctxt_idx = GET_IO_INDEX(reply_desc); 764 if (mpt->tgt_cmd_ptrs == NULL) { 765 mpt_prt(mpt, 766 "mpt_intr: no target cmd ptrs\n"); 767 reply_desc = MPT_REPLY_EMPTY; 768 break; 769 } 770 if (ctxt_idx >= mpt->tgt_cmds_allocated) { 771 mpt_prt(mpt, 772 "mpt_intr: bad tgt cmd ctxt %u\n", 773 ctxt_idx); 774 reply_desc = MPT_REPLY_EMPTY; 775 ntrips = 1000; 776 break; 777 } 778 req = mpt->tgt_cmd_ptrs[ctxt_idx]; 779 if (req == NULL) { 780 mpt_prt(mpt, "no request backpointer " 781 "at index %u", ctxt_idx); 782 reply_desc = MPT_REPLY_EMPTY; 783 ntrips = 1000; 784 break; 785 } 786 /* 787 * Reformulate ctxt_idx to be just as if 788 * it were another type of context reply 789 * so the code below will find the request 790 * via indexing into the pool. 791 */ 792 ctxt_idx = 793 req->index | mpt->scsi_tgt_handler_id; 794 req = NULL; 795 break; 796 case MPI_CONTEXT_REPLY_TYPE_LAN: 797 mpt_prt(mpt, "LAN CONTEXT REPLY: 0x%08x\n", 798 reply_desc); 799 reply_desc = MPT_REPLY_EMPTY; 800 break; 801 default: 802 mpt_prt(mpt, "Context Reply 0x%08x?\n", type); 803 reply_desc = MPT_REPLY_EMPTY; 804 break; 805 } 806 if (reply_desc == MPT_REPLY_EMPTY) { 807 if (ntrips++ > 1000) { 808 break; 809 } 810 continue; 811 } 812 } 813 814 cb_index = MPT_CONTEXT_TO_CBI(ctxt_idx); 815 req_index = MPT_CONTEXT_TO_REQI(ctxt_idx); 816 if (req_index < MPT_MAX_REQUESTS(mpt)) { 817 req = &mpt->request_pool[req_index]; 818 } else { 819 mpt_prt(mpt, "WARN: mpt_intr index == %d (reply_desc ==" 820 " 0x%x)\n", req_index, reply_desc); 821 } 822 823 bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap, 824 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 825 free_rf = mpt_reply_handlers[cb_index](mpt, req, 826 reply_desc, reply_frame); 827 828 if (reply_frame != NULL && free_rf) { 829 bus_dmamap_sync_range(mpt->reply_dmat, 830 mpt->reply_dmap, offset, MPT_REPLY_SIZE, 831 BUS_DMASYNC_PREREAD); 832 mpt_free_reply(mpt, reply_baddr); 833 } 834 835 /* 836 * If we got ourselves disabled, don't get stuck in a loop 837 */ 838 if (mpt->disabled) { 839 mpt_disable_ints(mpt); 840 break; 841 } 842 if (ntrips++ > 1000) { 843 break; 844 } 845 } 846 mpt_lprt(mpt, MPT_PRT_DEBUG2, "exit mpt_intr\n"); 847 } 848 849 /******************************* Error Recovery *******************************/ 850 void 851 mpt_complete_request_chain(struct mpt_softc *mpt, struct req_queue *chain, 852 u_int iocstatus) 853 { 854 MSG_DEFAULT_REPLY ioc_status_frame; 855 request_t *req; 856 857 memset(&ioc_status_frame, 0, sizeof(ioc_status_frame)); 858 ioc_status_frame.MsgLength = roundup2(sizeof(ioc_status_frame), 4); 859 ioc_status_frame.IOCStatus = iocstatus; 860 while((req = TAILQ_FIRST(chain)) != NULL) { 861 MSG_REQUEST_HEADER *msg_hdr; 862 u_int cb_index; 863 864 bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap, 865 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 866 msg_hdr = (MSG_REQUEST_HEADER *)req->req_vbuf; 867 ioc_status_frame.Function = msg_hdr->Function; 868 ioc_status_frame.MsgContext = msg_hdr->MsgContext; 869 cb_index = MPT_CONTEXT_TO_CBI(le32toh(msg_hdr->MsgContext)); 870 mpt_reply_handlers[cb_index](mpt, req, msg_hdr->MsgContext, 871 &ioc_status_frame); 872 if (mpt_req_on_pending_list(mpt, req) != 0) 873 TAILQ_REMOVE(chain, req, links); 874 } 875 } 876 877 /********************************* Diagnostics ********************************/ 878 /* 879 * Perform a diagnostic dump of a reply frame. 880 */ 881 void 882 mpt_dump_reply_frame(struct mpt_softc *mpt, MSG_DEFAULT_REPLY *reply_frame) 883 { 884 885 mpt_prt(mpt, "Address Reply:\n"); 886 mpt_print_reply(reply_frame); 887 } 888 889 /******************************* Doorbell Access ******************************/ 890 static __inline uint32_t mpt_rd_db(struct mpt_softc *mpt); 891 static __inline uint32_t mpt_rd_intr(struct mpt_softc *mpt); 892 893 static __inline uint32_t 894 mpt_rd_db(struct mpt_softc *mpt) 895 { 896 897 return mpt_read(mpt, MPT_OFFSET_DOORBELL); 898 } 899 900 static __inline uint32_t 901 mpt_rd_intr(struct mpt_softc *mpt) 902 { 903 904 return mpt_read(mpt, MPT_OFFSET_INTR_STATUS); 905 } 906 907 /* Busy wait for a door bell to be read by IOC */ 908 static int 909 mpt_wait_db_ack(struct mpt_softc *mpt) 910 { 911 int i; 912 913 for (i=0; i < MPT_MAX_WAIT; i++) { 914 if (!MPT_DB_IS_BUSY(mpt_rd_intr(mpt))) { 915 maxwait_ack = i > maxwait_ack ? i : maxwait_ack; 916 return (MPT_OK); 917 } 918 DELAY(200); 919 } 920 return (MPT_FAIL); 921 } 922 923 /* Busy wait for a door bell interrupt */ 924 static int 925 mpt_wait_db_int(struct mpt_softc *mpt) 926 { 927 int i; 928 929 for (i = 0; i < MPT_MAX_WAIT; i++) { 930 if (MPT_DB_INTR(mpt_rd_intr(mpt))) { 931 maxwait_int = i > maxwait_int ? i : maxwait_int; 932 return MPT_OK; 933 } 934 DELAY(100); 935 } 936 return (MPT_FAIL); 937 } 938 939 /* Wait for IOC to transition to a give state */ 940 void 941 mpt_check_doorbell(struct mpt_softc *mpt) 942 { 943 uint32_t db = mpt_rd_db(mpt); 944 945 if (MPT_STATE(db) != MPT_DB_STATE_RUNNING) { 946 mpt_prt(mpt, "Device not running\n"); 947 mpt_print_db(db); 948 } 949 } 950 951 /* Wait for IOC to transition to a give state */ 952 static int 953 mpt_wait_state(struct mpt_softc *mpt, enum DB_STATE_BITS state) 954 { 955 int i; 956 957 for (i = 0; i < MPT_MAX_WAIT; i++) { 958 uint32_t db = mpt_rd_db(mpt); 959 if (MPT_STATE(db) == state) { 960 maxwait_state = i > maxwait_state ? i : maxwait_state; 961 return (MPT_OK); 962 } 963 DELAY(100); 964 } 965 return (MPT_FAIL); 966 } 967 968 /************************* Initialization/Configuration ************************/ 969 static int mpt_download_fw(struct mpt_softc *mpt); 970 971 /* Issue the reset COMMAND to the IOC */ 972 static int 973 mpt_soft_reset(struct mpt_softc *mpt) 974 { 975 976 mpt_lprt(mpt, MPT_PRT_DEBUG, "soft reset\n"); 977 978 /* Have to use hard reset if we are not in Running state */ 979 if (MPT_STATE(mpt_rd_db(mpt)) != MPT_DB_STATE_RUNNING) { 980 mpt_prt(mpt, "soft reset failed: device not running\n"); 981 return (MPT_FAIL); 982 } 983 984 /* If door bell is in use we don't have a chance of getting 985 * a word in since the IOC probably crashed in message 986 * processing. So don't waste our time. 987 */ 988 if (MPT_DB_IS_IN_USE(mpt_rd_db(mpt))) { 989 mpt_prt(mpt, "soft reset failed: doorbell wedged\n"); 990 return (MPT_FAIL); 991 } 992 993 /* Send the reset request to the IOC */ 994 mpt_write(mpt, MPT_OFFSET_DOORBELL, 995 MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET << MPI_DOORBELL_FUNCTION_SHIFT); 996 if (mpt_wait_db_ack(mpt) != MPT_OK) { 997 mpt_prt(mpt, "soft reset failed: ack timeout\n"); 998 return (MPT_FAIL); 999 } 1000 1001 /* Wait for the IOC to reload and come out of reset state */ 1002 if (mpt_wait_state(mpt, MPT_DB_STATE_READY) != MPT_OK) { 1003 mpt_prt(mpt, "soft reset failed: device did not restart\n"); 1004 return (MPT_FAIL); 1005 } 1006 1007 return MPT_OK; 1008 } 1009 1010 static int 1011 mpt_enable_diag_mode(struct mpt_softc *mpt) 1012 { 1013 int try; 1014 1015 try = 20; 1016 while (--try) { 1017 if ((mpt_read(mpt, MPT_OFFSET_DIAGNOSTIC) & MPI_DIAG_DRWE) != 0) 1018 break; 1019 1020 /* Enable diagnostic registers */ 1021 mpt_write(mpt, MPT_OFFSET_SEQUENCE, 0xFF); 1022 mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPI_WRSEQ_1ST_KEY_VALUE); 1023 mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPI_WRSEQ_2ND_KEY_VALUE); 1024 mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPI_WRSEQ_3RD_KEY_VALUE); 1025 mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPI_WRSEQ_4TH_KEY_VALUE); 1026 mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPI_WRSEQ_5TH_KEY_VALUE); 1027 1028 DELAY(100000); 1029 } 1030 if (try == 0) 1031 return (EIO); 1032 return (0); 1033 } 1034 1035 static void 1036 mpt_disable_diag_mode(struct mpt_softc *mpt) 1037 { 1038 1039 mpt_write(mpt, MPT_OFFSET_SEQUENCE, 0xFFFFFFFF); 1040 } 1041 1042 /* This is a magic diagnostic reset that resets all the ARM 1043 * processors in the chip. 1044 */ 1045 static void 1046 mpt_hard_reset(struct mpt_softc *mpt) 1047 { 1048 int error; 1049 int wait; 1050 uint32_t diagreg; 1051 1052 mpt_lprt(mpt, MPT_PRT_DEBUG, "hard reset\n"); 1053 1054 if (mpt->is_1078) { 1055 mpt_write(mpt, MPT_OFFSET_RESET_1078, 0x07); 1056 DELAY(1000); 1057 return; 1058 } 1059 1060 error = mpt_enable_diag_mode(mpt); 1061 if (error) { 1062 mpt_prt(mpt, "WARNING - Could not enter diagnostic mode !\n"); 1063 mpt_prt(mpt, "Trying to reset anyway.\n"); 1064 } 1065 1066 diagreg = mpt_read(mpt, MPT_OFFSET_DIAGNOSTIC); 1067 1068 /* 1069 * This appears to be a workaround required for some 1070 * firmware or hardware revs. 1071 */ 1072 mpt_write(mpt, MPT_OFFSET_DIAGNOSTIC, diagreg | MPI_DIAG_DISABLE_ARM); 1073 DELAY(1000); 1074 1075 /* Diag. port is now active so we can now hit the reset bit */ 1076 mpt_write(mpt, MPT_OFFSET_DIAGNOSTIC, diagreg | MPI_DIAG_RESET_ADAPTER); 1077 1078 /* 1079 * Ensure that the reset has finished. We delay 1ms 1080 * prior to reading the register to make sure the chip 1081 * has sufficiently completed its reset to handle register 1082 * accesses. 1083 */ 1084 wait = 5000; 1085 do { 1086 DELAY(1000); 1087 diagreg = mpt_read(mpt, MPT_OFFSET_DIAGNOSTIC); 1088 } while (--wait && (diagreg & MPI_DIAG_RESET_ADAPTER) == 0); 1089 1090 if (wait == 0) { 1091 mpt_prt(mpt, "WARNING - Failed hard reset! " 1092 "Trying to initialize anyway.\n"); 1093 } 1094 1095 /* 1096 * If we have firmware to download, it must be loaded before 1097 * the controller will become operational. Do so now. 1098 */ 1099 if (mpt->fw_image != NULL) { 1100 error = mpt_download_fw(mpt); 1101 1102 if (error) { 1103 mpt_prt(mpt, "WARNING - Firmware Download Failed!\n"); 1104 mpt_prt(mpt, "Trying to initialize anyway.\n"); 1105 } 1106 } 1107 1108 /* 1109 * Reseting the controller should have disabled write 1110 * access to the diagnostic registers, but disable 1111 * manually to be sure. 1112 */ 1113 mpt_disable_diag_mode(mpt); 1114 } 1115 1116 static void 1117 mpt_core_ioc_reset(struct mpt_softc *mpt, int type) 1118 { 1119 1120 /* 1121 * Complete all pending requests with a status 1122 * appropriate for an IOC reset. 1123 */ 1124 mpt_complete_request_chain(mpt, &mpt->request_pending_list, 1125 MPI_IOCSTATUS_INVALID_STATE); 1126 } 1127 1128 /* 1129 * Reset the IOC when needed. Try software command first then if needed 1130 * poke at the magic diagnostic reset. Note that a hard reset resets 1131 * *both* IOCs on dual function chips (FC929 && LSI1030) as well as 1132 * fouls up the PCI configuration registers. 1133 */ 1134 int 1135 mpt_reset(struct mpt_softc *mpt, int reinit) 1136 { 1137 struct mpt_personality *pers; 1138 int ret; 1139 int retry_cnt = 0; 1140 1141 /* 1142 * Try a soft reset. If that fails, get out the big hammer. 1143 */ 1144 again: 1145 if ((ret = mpt_soft_reset(mpt)) != MPT_OK) { 1146 int cnt; 1147 for (cnt = 0; cnt < 5; cnt++) { 1148 /* Failed; do a hard reset */ 1149 mpt_hard_reset(mpt); 1150 1151 /* 1152 * Wait for the IOC to reload 1153 * and come out of reset state 1154 */ 1155 ret = mpt_wait_state(mpt, MPT_DB_STATE_READY); 1156 if (ret == MPT_OK) { 1157 break; 1158 } 1159 /* 1160 * Okay- try to check again... 1161 */ 1162 ret = mpt_wait_state(mpt, MPT_DB_STATE_READY); 1163 if (ret == MPT_OK) { 1164 break; 1165 } 1166 mpt_prt(mpt, "mpt_reset: failed hard reset (%d:%d)\n", 1167 retry_cnt, cnt); 1168 } 1169 } 1170 1171 if (retry_cnt == 0) { 1172 /* 1173 * Invoke reset handlers. We bump the reset count so 1174 * that mpt_wait_req() understands that regardless of 1175 * the specified wait condition, it should stop its wait. 1176 */ 1177 mpt->reset_cnt++; 1178 MPT_PERS_FOREACH(mpt, pers) 1179 pers->reset(mpt, ret); 1180 } 1181 1182 if (reinit) { 1183 ret = mpt_enable_ioc(mpt, 1); 1184 if (ret == MPT_OK) { 1185 mpt_enable_ints(mpt); 1186 } 1187 } 1188 if (ret != MPT_OK && retry_cnt++ < 2) { 1189 goto again; 1190 } 1191 return ret; 1192 } 1193 1194 /* Return a command buffer to the free queue */ 1195 void 1196 mpt_free_request(struct mpt_softc *mpt, request_t *req) 1197 { 1198 request_t *nxt; 1199 struct mpt_evtf_record *record; 1200 uint32_t offset, reply_baddr; 1201 1202 if (req == NULL || req != &mpt->request_pool[req->index]) { 1203 panic("mpt_free_request: bad req ptr"); 1204 } 1205 if ((nxt = req->chain) != NULL) { 1206 req->chain = NULL; 1207 mpt_free_request(mpt, nxt); /* NB: recursion */ 1208 } 1209 KASSERT(req->state != REQ_STATE_FREE, ("freeing free request")); 1210 KASSERT(!(req->state & REQ_STATE_LOCKED), ("freeing locked request")); 1211 MPT_LOCK_ASSERT(mpt); 1212 KASSERT(mpt_req_on_free_list(mpt, req) == 0, 1213 ("mpt_free_request: req %p:%u func %x already on freelist", 1214 req, req->serno, ((MSG_REQUEST_HEADER *)req->req_vbuf)->Function)); 1215 KASSERT(mpt_req_on_pending_list(mpt, req) == 0, 1216 ("mpt_free_request: req %p:%u func %x on pending list", 1217 req, req->serno, ((MSG_REQUEST_HEADER *)req->req_vbuf)->Function)); 1218 #ifdef INVARIANTS 1219 mpt_req_not_spcl(mpt, req, "mpt_free_request", __LINE__); 1220 #endif 1221 1222 req->ccb = NULL; 1223 if (LIST_EMPTY(&mpt->ack_frames)) { 1224 /* 1225 * Insert free ones at the tail 1226 */ 1227 req->serno = 0; 1228 req->state = REQ_STATE_FREE; 1229 #ifdef INVARIANTS 1230 memset(req->req_vbuf, 0xff, sizeof (MSG_REQUEST_HEADER)); 1231 #endif 1232 TAILQ_INSERT_TAIL(&mpt->request_free_list, req, links); 1233 if (mpt->getreqwaiter != 0) { 1234 mpt->getreqwaiter = 0; 1235 wakeup(&mpt->request_free_list); 1236 } 1237 return; 1238 } 1239 1240 /* 1241 * Process an ack frame deferred due to resource shortage. 1242 */ 1243 record = LIST_FIRST(&mpt->ack_frames); 1244 LIST_REMOVE(record, links); 1245 req->state = REQ_STATE_ALLOCATED; 1246 mpt_assign_serno(mpt, req); 1247 mpt_send_event_ack(mpt, req, &record->reply, record->context); 1248 offset = (uint32_t)((uint8_t *)record - mpt->reply); 1249 reply_baddr = offset + (mpt->reply_phys & 0xFFFFFFFF); 1250 bus_dmamap_sync_range(mpt->reply_dmat, mpt->reply_dmap, offset, 1251 MPT_REPLY_SIZE, BUS_DMASYNC_PREREAD); 1252 mpt_free_reply(mpt, reply_baddr); 1253 } 1254 1255 /* Get a command buffer from the free queue */ 1256 request_t * 1257 mpt_get_request(struct mpt_softc *mpt, int sleep_ok) 1258 { 1259 request_t *req; 1260 1261 retry: 1262 MPT_LOCK_ASSERT(mpt); 1263 req = TAILQ_FIRST(&mpt->request_free_list); 1264 if (req != NULL) { 1265 KASSERT(req == &mpt->request_pool[req->index], 1266 ("mpt_get_request: corrupted request free list")); 1267 KASSERT(req->state == REQ_STATE_FREE, 1268 ("req %p:%u not free on free list %x index %d function %x", 1269 req, req->serno, req->state, req->index, 1270 ((MSG_REQUEST_HEADER *)req->req_vbuf)->Function)); 1271 TAILQ_REMOVE(&mpt->request_free_list, req, links); 1272 req->state = REQ_STATE_ALLOCATED; 1273 req->chain = NULL; 1274 mpt_assign_serno(mpt, req); 1275 } else if (sleep_ok != 0) { 1276 mpt->getreqwaiter = 1; 1277 mpt_sleep(mpt, &mpt->request_free_list, PUSER, "mptgreq", 0); 1278 goto retry; 1279 } 1280 return (req); 1281 } 1282 1283 /* Pass the command to the IOC */ 1284 void 1285 mpt_send_cmd(struct mpt_softc *mpt, request_t *req) 1286 { 1287 1288 if (mpt->verbose > MPT_PRT_DEBUG2) { 1289 mpt_dump_request(mpt, req); 1290 } 1291 bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap, 1292 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1293 req->state |= REQ_STATE_QUEUED; 1294 KASSERT(mpt_req_on_free_list(mpt, req) == 0, 1295 ("req %p:%u func %x on freelist list in mpt_send_cmd", 1296 req, req->serno, ((MSG_REQUEST_HEADER *)req->req_vbuf)->Function)); 1297 KASSERT(mpt_req_on_pending_list(mpt, req) == 0, 1298 ("req %p:%u func %x already on pending list in mpt_send_cmd", 1299 req, req->serno, ((MSG_REQUEST_HEADER *)req->req_vbuf)->Function)); 1300 TAILQ_INSERT_HEAD(&mpt->request_pending_list, req, links); 1301 mpt_write(mpt, MPT_OFFSET_REQUEST_Q, (uint32_t) req->req_pbuf); 1302 } 1303 1304 /* 1305 * Wait for a request to complete. 1306 * 1307 * Inputs: 1308 * mpt softc of controller executing request 1309 * req request to wait for 1310 * sleep_ok nonzero implies may sleep in this context 1311 * time_ms timeout in ms. 0 implies no timeout. 1312 * 1313 * Return Values: 1314 * 0 Request completed 1315 * non-0 Timeout fired before request completion. 1316 */ 1317 int 1318 mpt_wait_req(struct mpt_softc *mpt, request_t *req, 1319 mpt_req_state_t state, mpt_req_state_t mask, 1320 int sleep_ok, int time_ms) 1321 { 1322 int timeout; 1323 u_int saved_cnt; 1324 sbintime_t sbt; 1325 1326 /* 1327 * time_ms is in ms, 0 indicates infinite wait. 1328 * Convert to sbintime_t or 500us units depending on 1329 * our sleep mode. 1330 */ 1331 if (sleep_ok != 0) { 1332 sbt = SBT_1MS * time_ms; 1333 /* Set timeout as well so final timeout check works. */ 1334 timeout = time_ms; 1335 } else { 1336 sbt = 0; /* Squelch bogus gcc warning. */ 1337 timeout = time_ms * 2; 1338 } 1339 req->state |= REQ_STATE_NEED_WAKEUP; 1340 mask &= ~REQ_STATE_NEED_WAKEUP; 1341 saved_cnt = mpt->reset_cnt; 1342 while ((req->state & mask) != state && mpt->reset_cnt == saved_cnt) { 1343 if (sleep_ok != 0) { 1344 if (mpt_sleep(mpt, req, PUSER, "mptreq", sbt) == 1345 EWOULDBLOCK) { 1346 timeout = 0; 1347 break; 1348 } 1349 } else { 1350 if (time_ms != 0 && --timeout == 0) { 1351 break; 1352 } 1353 DELAY(500); 1354 mpt_intr(mpt); 1355 } 1356 } 1357 req->state &= ~REQ_STATE_NEED_WAKEUP; 1358 if (mpt->reset_cnt != saved_cnt) { 1359 return (EIO); 1360 } 1361 if (time_ms && timeout <= 0) { 1362 MSG_REQUEST_HEADER *msg_hdr = req->req_vbuf; 1363 req->state |= REQ_STATE_TIMEDOUT; 1364 mpt_prt(mpt, "mpt_wait_req(%x) timed out\n", msg_hdr->Function); 1365 return (ETIMEDOUT); 1366 } 1367 return (0); 1368 } 1369 1370 /* 1371 * Send a command to the IOC via the handshake register. 1372 * 1373 * Only done at initialization time and for certain unusual 1374 * commands such as device/bus reset as specified by LSI. 1375 */ 1376 int 1377 mpt_send_handshake_cmd(struct mpt_softc *mpt, size_t len, void *cmd) 1378 { 1379 int i; 1380 uint32_t data, *data32; 1381 1382 /* Check condition of the IOC */ 1383 data = mpt_rd_db(mpt); 1384 if ((MPT_STATE(data) != MPT_DB_STATE_READY 1385 && MPT_STATE(data) != MPT_DB_STATE_RUNNING 1386 && MPT_STATE(data) != MPT_DB_STATE_FAULT) 1387 || MPT_DB_IS_IN_USE(data)) { 1388 mpt_prt(mpt, "handshake aborted - invalid doorbell state\n"); 1389 mpt_print_db(data); 1390 return (EBUSY); 1391 } 1392 1393 /* We move things in 32 bit chunks */ 1394 len = (len + 3) >> 2; 1395 data32 = cmd; 1396 1397 /* Clear any left over pending doorbell interrupts */ 1398 if (MPT_DB_INTR(mpt_rd_intr(mpt))) 1399 mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0); 1400 1401 /* 1402 * Tell the handshake reg. we are going to send a command 1403 * and how long it is going to be. 1404 */ 1405 data = (MPI_FUNCTION_HANDSHAKE << MPI_DOORBELL_FUNCTION_SHIFT) | 1406 (len << MPI_DOORBELL_ADD_DWORDS_SHIFT); 1407 mpt_write(mpt, MPT_OFFSET_DOORBELL, data); 1408 1409 /* Wait for the chip to notice */ 1410 if (mpt_wait_db_int(mpt) != MPT_OK) { 1411 mpt_prt(mpt, "mpt_send_handshake_cmd: db ignored\n"); 1412 return (ETIMEDOUT); 1413 } 1414 1415 /* Clear the interrupt */ 1416 mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0); 1417 1418 if (mpt_wait_db_ack(mpt) != MPT_OK) { 1419 mpt_prt(mpt, "mpt_send_handshake_cmd: db ack timed out\n"); 1420 return (ETIMEDOUT); 1421 } 1422 1423 /* Send the command */ 1424 for (i = 0; i < len; i++) { 1425 mpt_write_stream(mpt, MPT_OFFSET_DOORBELL, *data32++); 1426 if (mpt_wait_db_ack(mpt) != MPT_OK) { 1427 mpt_prt(mpt, 1428 "mpt_send_handshake_cmd: timeout @ index %d\n", i); 1429 return (ETIMEDOUT); 1430 } 1431 } 1432 return MPT_OK; 1433 } 1434 1435 /* Get the response from the handshake register */ 1436 int 1437 mpt_recv_handshake_reply(struct mpt_softc *mpt, size_t reply_len, void *reply) 1438 { 1439 int left, reply_left; 1440 u_int16_t *data16; 1441 uint32_t data; 1442 MSG_DEFAULT_REPLY *hdr; 1443 1444 /* We move things out in 16 bit chunks */ 1445 reply_len >>= 1; 1446 data16 = (u_int16_t *)reply; 1447 1448 hdr = (MSG_DEFAULT_REPLY *)reply; 1449 1450 /* Get first word */ 1451 if (mpt_wait_db_int(mpt) != MPT_OK) { 1452 mpt_prt(mpt, "mpt_recv_handshake_cmd timeout1\n"); 1453 return ETIMEDOUT; 1454 } 1455 data = mpt_read(mpt, MPT_OFFSET_DOORBELL); 1456 *data16++ = le16toh(data & MPT_DB_DATA_MASK); 1457 mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0); 1458 1459 /* Get second word */ 1460 if (mpt_wait_db_int(mpt) != MPT_OK) { 1461 mpt_prt(mpt, "mpt_recv_handshake_cmd timeout2\n"); 1462 return ETIMEDOUT; 1463 } 1464 data = mpt_read(mpt, MPT_OFFSET_DOORBELL); 1465 *data16++ = le16toh(data & MPT_DB_DATA_MASK); 1466 mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0); 1467 1468 /* 1469 * With the second word, we can now look at the length. 1470 * Warn about a reply that's too short (except for IOC FACTS REPLY) 1471 */ 1472 if ((reply_len >> 1) != hdr->MsgLength && 1473 (hdr->Function != MPI_FUNCTION_IOC_FACTS)){ 1474 mpt_prt(mpt, "reply length does not match message length: " 1475 "got %x; expected %zx for function %x\n", 1476 hdr->MsgLength << 2, reply_len << 1, hdr->Function); 1477 } 1478 1479 /* Get rest of the reply; but don't overflow the provided buffer */ 1480 left = (hdr->MsgLength << 1) - 2; 1481 reply_left = reply_len - 2; 1482 while (left--) { 1483 if (mpt_wait_db_int(mpt) != MPT_OK) { 1484 mpt_prt(mpt, "mpt_recv_handshake_cmd timeout3\n"); 1485 return ETIMEDOUT; 1486 } 1487 data = mpt_read(mpt, MPT_OFFSET_DOORBELL); 1488 if (reply_left-- > 0) 1489 *data16++ = le16toh(data & MPT_DB_DATA_MASK); 1490 mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0); 1491 } 1492 1493 /* One more wait & clear at the end */ 1494 if (mpt_wait_db_int(mpt) != MPT_OK) { 1495 mpt_prt(mpt, "mpt_recv_handshake_cmd timeout4\n"); 1496 return ETIMEDOUT; 1497 } 1498 mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0); 1499 1500 if ((hdr->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 1501 if (mpt->verbose >= MPT_PRT_TRACE) 1502 mpt_print_reply(hdr); 1503 return (MPT_FAIL | hdr->IOCStatus); 1504 } 1505 1506 return (0); 1507 } 1508 1509 static int 1510 mpt_get_iocfacts(struct mpt_softc *mpt, MSG_IOC_FACTS_REPLY *freplp) 1511 { 1512 MSG_IOC_FACTS f_req; 1513 int error; 1514 1515 memset(&f_req, 0, sizeof f_req); 1516 f_req.Function = MPI_FUNCTION_IOC_FACTS; 1517 f_req.MsgContext = htole32(MPT_REPLY_HANDLER_HANDSHAKE); 1518 error = mpt_send_handshake_cmd(mpt, sizeof f_req, &f_req); 1519 if (error) { 1520 return(error); 1521 } 1522 error = mpt_recv_handshake_reply(mpt, sizeof (*freplp), freplp); 1523 return (error); 1524 } 1525 1526 static int 1527 mpt_get_portfacts(struct mpt_softc *mpt, U8 port, MSG_PORT_FACTS_REPLY *freplp) 1528 { 1529 MSG_PORT_FACTS f_req; 1530 int error; 1531 1532 memset(&f_req, 0, sizeof f_req); 1533 f_req.Function = MPI_FUNCTION_PORT_FACTS; 1534 f_req.PortNumber = port; 1535 f_req.MsgContext = htole32(MPT_REPLY_HANDLER_HANDSHAKE); 1536 error = mpt_send_handshake_cmd(mpt, sizeof f_req, &f_req); 1537 if (error) { 1538 return(error); 1539 } 1540 error = mpt_recv_handshake_reply(mpt, sizeof (*freplp), freplp); 1541 return (error); 1542 } 1543 1544 /* 1545 * Send the initialization request. This is where we specify how many 1546 * SCSI buses and how many devices per bus we wish to emulate. 1547 * This is also the command that specifies the max size of the reply 1548 * frames from the IOC that we will be allocating. 1549 */ 1550 static int 1551 mpt_send_ioc_init(struct mpt_softc *mpt, uint32_t who) 1552 { 1553 int error = 0; 1554 MSG_IOC_INIT init; 1555 MSG_IOC_INIT_REPLY reply; 1556 1557 memset(&init, 0, sizeof init); 1558 init.WhoInit = who; 1559 init.Function = MPI_FUNCTION_IOC_INIT; 1560 init.MaxDevices = 0; /* at least 256 devices per bus */ 1561 init.MaxBuses = 16; /* at least 16 buses */ 1562 1563 init.MsgVersion = htole16(MPI_VERSION); 1564 init.HeaderVersion = htole16(MPI_HEADER_VERSION); 1565 init.ReplyFrameSize = htole16(MPT_REPLY_SIZE); 1566 init.MsgContext = htole32(MPT_REPLY_HANDLER_HANDSHAKE); 1567 1568 if ((error = mpt_send_handshake_cmd(mpt, sizeof init, &init)) != 0) { 1569 return(error); 1570 } 1571 1572 error = mpt_recv_handshake_reply(mpt, sizeof reply, &reply); 1573 return (error); 1574 } 1575 1576 /* 1577 * Utiltity routine to read configuration headers and pages 1578 */ 1579 int 1580 mpt_issue_cfg_req(struct mpt_softc *mpt, request_t *req, cfgparms_t *params, 1581 bus_addr_t addr, bus_size_t len, int sleep_ok, int timeout_ms) 1582 { 1583 MSG_CONFIG *cfgp; 1584 SGE_SIMPLE32 *se; 1585 1586 cfgp = req->req_vbuf; 1587 memset(cfgp, 0, sizeof *cfgp); 1588 cfgp->Action = params->Action; 1589 cfgp->Function = MPI_FUNCTION_CONFIG; 1590 cfgp->Header.PageVersion = params->PageVersion; 1591 cfgp->Header.PageNumber = params->PageNumber; 1592 cfgp->PageAddress = htole32(params->PageAddress); 1593 if ((params->PageType & MPI_CONFIG_PAGETYPE_MASK) == 1594 MPI_CONFIG_PAGETYPE_EXTENDED) { 1595 cfgp->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 1596 cfgp->Header.PageLength = 0; 1597 cfgp->ExtPageLength = htole16(params->ExtPageLength); 1598 cfgp->ExtPageType = params->ExtPageType; 1599 } else { 1600 cfgp->Header.PageType = params->PageType; 1601 cfgp->Header.PageLength = params->PageLength; 1602 } 1603 se = (SGE_SIMPLE32 *)&cfgp->PageBufferSGE; 1604 se->Address = htole32(addr); 1605 MPI_pSGE_SET_LENGTH(se, len); 1606 MPI_pSGE_SET_FLAGS(se, (MPI_SGE_FLAGS_SIMPLE_ELEMENT | 1607 MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1608 MPI_SGE_FLAGS_END_OF_LIST | 1609 ((params->Action == MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT 1610 || params->Action == MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM) 1611 ? MPI_SGE_FLAGS_HOST_TO_IOC : MPI_SGE_FLAGS_IOC_TO_HOST))); 1612 se->FlagsLength = htole32(se->FlagsLength); 1613 cfgp->MsgContext = htole32(req->index | MPT_REPLY_HANDLER_CONFIG); 1614 1615 mpt_check_doorbell(mpt); 1616 mpt_send_cmd(mpt, req); 1617 return (mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, 1618 sleep_ok, timeout_ms)); 1619 } 1620 1621 int 1622 mpt_read_extcfg_header(struct mpt_softc *mpt, int PageVersion, int PageNumber, 1623 uint32_t PageAddress, int ExtPageType, 1624 CONFIG_EXTENDED_PAGE_HEADER *rslt, 1625 int sleep_ok, int timeout_ms) 1626 { 1627 request_t *req; 1628 cfgparms_t params; 1629 MSG_CONFIG_REPLY *cfgp; 1630 int error; 1631 1632 req = mpt_get_request(mpt, sleep_ok); 1633 if (req == NULL) { 1634 mpt_prt(mpt, "mpt_extread_cfg_header: Get request failed!\n"); 1635 return (ENOMEM); 1636 } 1637 1638 params.Action = MPI_CONFIG_ACTION_PAGE_HEADER; 1639 params.PageVersion = PageVersion; 1640 params.PageLength = 0; 1641 params.PageNumber = PageNumber; 1642 params.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 1643 params.PageAddress = PageAddress; 1644 params.ExtPageType = ExtPageType; 1645 params.ExtPageLength = 0; 1646 error = mpt_issue_cfg_req(mpt, req, ¶ms, /*addr*/0, /*len*/0, 1647 sleep_ok, timeout_ms); 1648 if (error != 0) { 1649 /* 1650 * Leave the request. Without resetting the chip, it's 1651 * still owned by it and we'll just get into trouble 1652 * freeing it now. Mark it as abandoned so that if it 1653 * shows up later it can be freed. 1654 */ 1655 mpt_prt(mpt, "read_extcfg_header timed out\n"); 1656 return (ETIMEDOUT); 1657 } 1658 1659 switch (req->IOCStatus & MPI_IOCSTATUS_MASK) { 1660 case MPI_IOCSTATUS_SUCCESS: 1661 cfgp = req->req_vbuf; 1662 rslt->PageVersion = cfgp->Header.PageVersion; 1663 rslt->PageNumber = cfgp->Header.PageNumber; 1664 rslt->PageType = cfgp->Header.PageType; 1665 rslt->ExtPageLength = le16toh(cfgp->ExtPageLength); 1666 rslt->ExtPageType = cfgp->ExtPageType; 1667 error = 0; 1668 break; 1669 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: 1670 mpt_lprt(mpt, MPT_PRT_DEBUG, 1671 "Invalid Page Type %d Number %d Addr 0x%0x\n", 1672 MPI_CONFIG_PAGETYPE_EXTENDED, PageNumber, PageAddress); 1673 error = EINVAL; 1674 break; 1675 default: 1676 mpt_prt(mpt, "mpt_read_extcfg_header: Config Info Status %x\n", 1677 req->IOCStatus); 1678 error = EIO; 1679 break; 1680 } 1681 mpt_free_request(mpt, req); 1682 return (error); 1683 } 1684 1685 int 1686 mpt_read_extcfg_page(struct mpt_softc *mpt, int Action, uint32_t PageAddress, 1687 CONFIG_EXTENDED_PAGE_HEADER *hdr, void *buf, size_t len, 1688 int sleep_ok, int timeout_ms) 1689 { 1690 request_t *req; 1691 cfgparms_t params; 1692 int error; 1693 1694 req = mpt_get_request(mpt, sleep_ok); 1695 if (req == NULL) { 1696 mpt_prt(mpt, "mpt_read_extcfg_page: Get request failed!\n"); 1697 return (-1); 1698 } 1699 1700 params.Action = Action; 1701 params.PageVersion = hdr->PageVersion; 1702 params.PageLength = 0; 1703 params.PageNumber = hdr->PageNumber; 1704 params.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 1705 params.PageAddress = PageAddress; 1706 params.ExtPageType = hdr->ExtPageType; 1707 params.ExtPageLength = hdr->ExtPageLength; 1708 error = mpt_issue_cfg_req(mpt, req, ¶ms, 1709 req->req_pbuf + MPT_RQSL(mpt), 1710 len, sleep_ok, timeout_ms); 1711 if (error != 0) { 1712 mpt_prt(mpt, "read_extcfg_page(%d) timed out\n", Action); 1713 return (-1); 1714 } 1715 1716 if ((req->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 1717 mpt_prt(mpt, "mpt_read_extcfg_page: Config Info Status %x\n", 1718 req->IOCStatus); 1719 mpt_free_request(mpt, req); 1720 return (-1); 1721 } 1722 memcpy(buf, ((uint8_t *)req->req_vbuf)+MPT_RQSL(mpt), len); 1723 mpt_free_request(mpt, req); 1724 return (0); 1725 } 1726 1727 int 1728 mpt_read_cfg_header(struct mpt_softc *mpt, int PageType, int PageNumber, 1729 uint32_t PageAddress, CONFIG_PAGE_HEADER *rslt, 1730 int sleep_ok, int timeout_ms) 1731 { 1732 request_t *req; 1733 cfgparms_t params; 1734 MSG_CONFIG *cfgp; 1735 int error; 1736 1737 req = mpt_get_request(mpt, sleep_ok); 1738 if (req == NULL) { 1739 mpt_prt(mpt, "mpt_read_cfg_header: Get request failed!\n"); 1740 return (ENOMEM); 1741 } 1742 1743 params.Action = MPI_CONFIG_ACTION_PAGE_HEADER; 1744 params.PageVersion = 0; 1745 params.PageLength = 0; 1746 params.PageNumber = PageNumber; 1747 params.PageType = PageType; 1748 params.PageAddress = PageAddress; 1749 error = mpt_issue_cfg_req(mpt, req, ¶ms, /*addr*/0, /*len*/0, 1750 sleep_ok, timeout_ms); 1751 if (error != 0) { 1752 /* 1753 * Leave the request. Without resetting the chip, it's 1754 * still owned by it and we'll just get into trouble 1755 * freeing it now. Mark it as abandoned so that if it 1756 * shows up later it can be freed. 1757 */ 1758 mpt_prt(mpt, "read_cfg_header timed out\n"); 1759 return (ETIMEDOUT); 1760 } 1761 1762 switch (req->IOCStatus & MPI_IOCSTATUS_MASK) { 1763 case MPI_IOCSTATUS_SUCCESS: 1764 cfgp = req->req_vbuf; 1765 bcopy(&cfgp->Header, rslt, sizeof(*rslt)); 1766 error = 0; 1767 break; 1768 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: 1769 mpt_lprt(mpt, MPT_PRT_DEBUG, 1770 "Invalid Page Type %d Number %d Addr 0x%0x\n", 1771 PageType, PageNumber, PageAddress); 1772 error = EINVAL; 1773 break; 1774 default: 1775 mpt_prt(mpt, "mpt_read_cfg_header: Config Info Status %x\n", 1776 req->IOCStatus); 1777 error = EIO; 1778 break; 1779 } 1780 mpt_free_request(mpt, req); 1781 return (error); 1782 } 1783 1784 int 1785 mpt_read_cfg_page(struct mpt_softc *mpt, int Action, uint32_t PageAddress, 1786 CONFIG_PAGE_HEADER *hdr, size_t len, int sleep_ok, 1787 int timeout_ms) 1788 { 1789 request_t *req; 1790 cfgparms_t params; 1791 int error; 1792 1793 req = mpt_get_request(mpt, sleep_ok); 1794 if (req == NULL) { 1795 mpt_prt(mpt, "mpt_read_cfg_page: Get request failed!\n"); 1796 return (-1); 1797 } 1798 1799 params.Action = Action; 1800 params.PageVersion = hdr->PageVersion; 1801 params.PageLength = hdr->PageLength; 1802 params.PageNumber = hdr->PageNumber; 1803 params.PageType = hdr->PageType & MPI_CONFIG_PAGETYPE_MASK; 1804 params.PageAddress = PageAddress; 1805 error = mpt_issue_cfg_req(mpt, req, ¶ms, 1806 req->req_pbuf + MPT_RQSL(mpt), 1807 len, sleep_ok, timeout_ms); 1808 if (error != 0) { 1809 mpt_prt(mpt, "read_cfg_page(%d) timed out\n", Action); 1810 return (-1); 1811 } 1812 1813 if ((req->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 1814 mpt_prt(mpt, "mpt_read_cfg_page: Config Info Status %x\n", 1815 req->IOCStatus); 1816 mpt_free_request(mpt, req); 1817 return (-1); 1818 } 1819 memcpy(hdr, ((uint8_t *)req->req_vbuf)+MPT_RQSL(mpt), len); 1820 mpt_free_request(mpt, req); 1821 return (0); 1822 } 1823 1824 int 1825 mpt_write_cfg_page(struct mpt_softc *mpt, int Action, uint32_t PageAddress, 1826 CONFIG_PAGE_HEADER *hdr, size_t len, int sleep_ok, 1827 int timeout_ms) 1828 { 1829 request_t *req; 1830 cfgparms_t params; 1831 u_int hdr_attr; 1832 int error; 1833 1834 hdr_attr = hdr->PageType & MPI_CONFIG_PAGEATTR_MASK; 1835 if (hdr_attr != MPI_CONFIG_PAGEATTR_CHANGEABLE && 1836 hdr_attr != MPI_CONFIG_PAGEATTR_PERSISTENT) { 1837 mpt_prt(mpt, "page type 0x%x not changeable\n", 1838 hdr->PageType & MPI_CONFIG_PAGETYPE_MASK); 1839 return (-1); 1840 } 1841 1842 #if 0 1843 /* 1844 * We shouldn't mask off other bits here. 1845 */ 1846 hdr->PageType &= MPI_CONFIG_PAGETYPE_MASK; 1847 #endif 1848 1849 req = mpt_get_request(mpt, sleep_ok); 1850 if (req == NULL) 1851 return (-1); 1852 1853 memcpy(((caddr_t)req->req_vbuf) + MPT_RQSL(mpt), hdr, len); 1854 1855 /* 1856 * There isn't any point in restoring stripped out attributes 1857 * if you then mask them going down to issue the request. 1858 */ 1859 1860 params.Action = Action; 1861 params.PageVersion = hdr->PageVersion; 1862 params.PageLength = hdr->PageLength; 1863 params.PageNumber = hdr->PageNumber; 1864 params.PageAddress = PageAddress; 1865 #if 0 1866 /* Restore stripped out attributes */ 1867 hdr->PageType |= hdr_attr; 1868 params.PageType = hdr->PageType & MPI_CONFIG_PAGETYPE_MASK; 1869 #else 1870 params.PageType = hdr->PageType; 1871 #endif 1872 error = mpt_issue_cfg_req(mpt, req, ¶ms, 1873 req->req_pbuf + MPT_RQSL(mpt), 1874 len, sleep_ok, timeout_ms); 1875 if (error != 0) { 1876 mpt_prt(mpt, "mpt_write_cfg_page timed out\n"); 1877 return (-1); 1878 } 1879 1880 if ((req->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 1881 mpt_prt(mpt, "mpt_write_cfg_page: Config Info Status %x\n", 1882 req->IOCStatus); 1883 mpt_free_request(mpt, req); 1884 return (-1); 1885 } 1886 mpt_free_request(mpt, req); 1887 return (0); 1888 } 1889 1890 /* 1891 * Read IOC configuration information 1892 */ 1893 static int 1894 mpt_read_config_info_ioc(struct mpt_softc *mpt) 1895 { 1896 CONFIG_PAGE_HEADER hdr; 1897 struct mpt_raid_volume *mpt_raid; 1898 int rv; 1899 int i; 1900 size_t len; 1901 1902 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_IOC, 1903 2, 0, &hdr, FALSE, 5000); 1904 /* 1905 * If it's an invalid page, so what? Not a supported function.... 1906 */ 1907 if (rv == EINVAL) { 1908 return (0); 1909 } 1910 if (rv) { 1911 return (rv); 1912 } 1913 1914 mpt_lprt(mpt, MPT_PRT_DEBUG, 1915 "IOC Page 2 Header: Version %x len %x PageNumber %x PageType %x\n", 1916 hdr.PageVersion, hdr.PageLength << 2, 1917 hdr.PageNumber, hdr.PageType); 1918 1919 len = hdr.PageLength * sizeof(uint32_t); 1920 mpt->ioc_page2 = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1921 if (mpt->ioc_page2 == NULL) { 1922 mpt_prt(mpt, "unable to allocate memory for IOC page 2\n"); 1923 mpt_raid_free_mem(mpt); 1924 return (ENOMEM); 1925 } 1926 memcpy(&mpt->ioc_page2->Header, &hdr, sizeof(hdr)); 1927 rv = mpt_read_cur_cfg_page(mpt, 0, 1928 &mpt->ioc_page2->Header, len, FALSE, 5000); 1929 if (rv) { 1930 mpt_prt(mpt, "failed to read IOC Page 2\n"); 1931 mpt_raid_free_mem(mpt); 1932 return (EIO); 1933 } 1934 mpt2host_config_page_ioc2(mpt->ioc_page2); 1935 1936 if (mpt->ioc_page2->CapabilitiesFlags != 0) { 1937 uint32_t mask; 1938 1939 mpt_prt(mpt, "Capabilities: ("); 1940 for (mask = 1; mask != 0; mask <<= 1) { 1941 if ((mpt->ioc_page2->CapabilitiesFlags & mask) == 0) { 1942 continue; 1943 } 1944 switch (mask) { 1945 case MPI_IOCPAGE2_CAP_FLAGS_IS_SUPPORT: 1946 mpt_prtc(mpt, " RAID-0"); 1947 break; 1948 case MPI_IOCPAGE2_CAP_FLAGS_IME_SUPPORT: 1949 mpt_prtc(mpt, " RAID-1E"); 1950 break; 1951 case MPI_IOCPAGE2_CAP_FLAGS_IM_SUPPORT: 1952 mpt_prtc(mpt, " RAID-1"); 1953 break; 1954 case MPI_IOCPAGE2_CAP_FLAGS_SES_SUPPORT: 1955 mpt_prtc(mpt, " SES"); 1956 break; 1957 case MPI_IOCPAGE2_CAP_FLAGS_SAFTE_SUPPORT: 1958 mpt_prtc(mpt, " SAFTE"); 1959 break; 1960 case MPI_IOCPAGE2_CAP_FLAGS_CROSS_CHANNEL_SUPPORT: 1961 mpt_prtc(mpt, " Multi-Channel-Arrays"); 1962 default: 1963 break; 1964 } 1965 } 1966 mpt_prtc(mpt, " )\n"); 1967 if ((mpt->ioc_page2->CapabilitiesFlags 1968 & (MPI_IOCPAGE2_CAP_FLAGS_IS_SUPPORT 1969 | MPI_IOCPAGE2_CAP_FLAGS_IME_SUPPORT 1970 | MPI_IOCPAGE2_CAP_FLAGS_IM_SUPPORT)) != 0) { 1971 mpt_prt(mpt, "%d Active Volume%s(%d Max)\n", 1972 mpt->ioc_page2->NumActiveVolumes, 1973 mpt->ioc_page2->NumActiveVolumes != 1 1974 ? "s " : " ", 1975 mpt->ioc_page2->MaxVolumes); 1976 mpt_prt(mpt, "%d Hidden Drive Member%s(%d Max)\n", 1977 mpt->ioc_page2->NumActivePhysDisks, 1978 mpt->ioc_page2->NumActivePhysDisks != 1 1979 ? "s " : " ", 1980 mpt->ioc_page2->MaxPhysDisks); 1981 } 1982 } 1983 1984 len = mpt->ioc_page2->MaxVolumes * sizeof(struct mpt_raid_volume); 1985 mpt->raid_volumes = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1986 if (mpt->raid_volumes == NULL) { 1987 mpt_prt(mpt, "Could not allocate RAID volume data\n"); 1988 mpt_raid_free_mem(mpt); 1989 return (ENOMEM); 1990 } 1991 1992 /* 1993 * Copy critical data out of ioc_page2 so that we can 1994 * safely refresh the page without windows of unreliable 1995 * data. 1996 */ 1997 mpt->raid_max_volumes = mpt->ioc_page2->MaxVolumes; 1998 1999 len = sizeof(*mpt->raid_volumes->config_page) + 2000 (sizeof (RAID_VOL0_PHYS_DISK) * (mpt->ioc_page2->MaxPhysDisks - 1)); 2001 for (i = 0; i < mpt->ioc_page2->MaxVolumes; i++) { 2002 mpt_raid = &mpt->raid_volumes[i]; 2003 mpt_raid->config_page = 2004 malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 2005 if (mpt_raid->config_page == NULL) { 2006 mpt_prt(mpt, "Could not allocate RAID page data\n"); 2007 mpt_raid_free_mem(mpt); 2008 return (ENOMEM); 2009 } 2010 } 2011 mpt->raid_page0_len = len; 2012 2013 len = mpt->ioc_page2->MaxPhysDisks * sizeof(struct mpt_raid_disk); 2014 mpt->raid_disks = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 2015 if (mpt->raid_disks == NULL) { 2016 mpt_prt(mpt, "Could not allocate RAID disk data\n"); 2017 mpt_raid_free_mem(mpt); 2018 return (ENOMEM); 2019 } 2020 mpt->raid_max_disks = mpt->ioc_page2->MaxPhysDisks; 2021 2022 /* 2023 * Load page 3. 2024 */ 2025 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_IOC, 2026 3, 0, &hdr, FALSE, 5000); 2027 if (rv) { 2028 mpt_raid_free_mem(mpt); 2029 return (EIO); 2030 } 2031 2032 mpt_lprt(mpt, MPT_PRT_DEBUG, "IOC Page 3 Header: %x %x %x %x\n", 2033 hdr.PageVersion, hdr.PageLength, hdr.PageNumber, hdr.PageType); 2034 2035 len = hdr.PageLength * sizeof(uint32_t); 2036 mpt->ioc_page3 = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 2037 if (mpt->ioc_page3 == NULL) { 2038 mpt_prt(mpt, "unable to allocate memory for IOC page 3\n"); 2039 mpt_raid_free_mem(mpt); 2040 return (ENOMEM); 2041 } 2042 memcpy(&mpt->ioc_page3->Header, &hdr, sizeof(hdr)); 2043 rv = mpt_read_cur_cfg_page(mpt, 0, 2044 &mpt->ioc_page3->Header, len, FALSE, 5000); 2045 if (rv) { 2046 mpt_raid_free_mem(mpt); 2047 return (EIO); 2048 } 2049 mpt2host_config_page_ioc3(mpt->ioc_page3); 2050 mpt_raid_wakeup(mpt); 2051 return (0); 2052 } 2053 2054 /* 2055 * Enable IOC port 2056 */ 2057 static int 2058 mpt_send_port_enable(struct mpt_softc *mpt, int port) 2059 { 2060 request_t *req; 2061 MSG_PORT_ENABLE *enable_req; 2062 int error; 2063 2064 req = mpt_get_request(mpt, /*sleep_ok*/FALSE); 2065 if (req == NULL) 2066 return (-1); 2067 2068 enable_req = req->req_vbuf; 2069 memset(enable_req, 0, MPT_RQSL(mpt)); 2070 2071 enable_req->Function = MPI_FUNCTION_PORT_ENABLE; 2072 enable_req->MsgContext = htole32(req->index | MPT_REPLY_HANDLER_CONFIG); 2073 enable_req->PortNumber = port; 2074 2075 mpt_check_doorbell(mpt); 2076 mpt_lprt(mpt, MPT_PRT_DEBUG, "enabling port %d\n", port); 2077 2078 mpt_send_cmd(mpt, req); 2079 error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, 2080 FALSE, (mpt->is_sas || mpt->is_fc)? 300000 : 30000); 2081 if (error != 0) { 2082 mpt_prt(mpt, "port %d enable timed out\n", port); 2083 return (-1); 2084 } 2085 mpt_free_request(mpt, req); 2086 mpt_lprt(mpt, MPT_PRT_DEBUG, "enabled port %d\n", port); 2087 return (0); 2088 } 2089 2090 /* 2091 * Enable/Disable asynchronous event reporting. 2092 */ 2093 static int 2094 mpt_send_event_request(struct mpt_softc *mpt, int onoff) 2095 { 2096 request_t *req; 2097 MSG_EVENT_NOTIFY *enable_req; 2098 2099 req = mpt_get_request(mpt, FALSE); 2100 if (req == NULL) { 2101 return (ENOMEM); 2102 } 2103 enable_req = req->req_vbuf; 2104 memset(enable_req, 0, sizeof *enable_req); 2105 2106 enable_req->Function = MPI_FUNCTION_EVENT_NOTIFICATION; 2107 enable_req->MsgContext = htole32(req->index | MPT_REPLY_HANDLER_EVENTS); 2108 enable_req->Switch = onoff; 2109 2110 mpt_check_doorbell(mpt); 2111 mpt_lprt(mpt, MPT_PRT_DEBUG, "%sabling async events\n", 2112 onoff ? "en" : "dis"); 2113 /* 2114 * Send the command off, but don't wait for it. 2115 */ 2116 mpt_send_cmd(mpt, req); 2117 return (0); 2118 } 2119 2120 /* 2121 * Un-mask the interrupts on the chip. 2122 */ 2123 void 2124 mpt_enable_ints(struct mpt_softc *mpt) 2125 { 2126 2127 /* Unmask every thing except door bell int */ 2128 mpt_write(mpt, MPT_OFFSET_INTR_MASK, MPT_INTR_DB_MASK); 2129 } 2130 2131 /* 2132 * Mask the interrupts on the chip. 2133 */ 2134 void 2135 mpt_disable_ints(struct mpt_softc *mpt) 2136 { 2137 2138 /* Mask all interrupts */ 2139 mpt_write(mpt, MPT_OFFSET_INTR_MASK, 2140 MPT_INTR_REPLY_MASK | MPT_INTR_DB_MASK); 2141 } 2142 2143 static void 2144 mpt_sysctl_attach(struct mpt_softc *mpt) 2145 { 2146 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(mpt->dev); 2147 struct sysctl_oid *tree = device_get_sysctl_tree(mpt->dev); 2148 2149 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 2150 "debug", CTLFLAG_RW, &mpt->verbose, 0, 2151 "Debugging/Verbose level"); 2152 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 2153 "role", CTLFLAG_RD, &mpt->role, 0, 2154 "HBA role"); 2155 #ifdef MPT_TEST_MULTIPATH 2156 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 2157 "failure_id", CTLFLAG_RW, &mpt->failure_id, -1, 2158 "Next Target to Fail"); 2159 #endif 2160 } 2161 2162 int 2163 mpt_attach(struct mpt_softc *mpt) 2164 { 2165 struct mpt_personality *pers; 2166 int i; 2167 int error; 2168 2169 mpt_core_attach(mpt); 2170 mpt_core_enable(mpt); 2171 2172 TAILQ_INSERT_TAIL(&mpt_tailq, mpt, links); 2173 for (i = 0; i < MPT_MAX_PERSONALITIES; i++) { 2174 pers = mpt_personalities[i]; 2175 if (pers == NULL) { 2176 continue; 2177 } 2178 if (pers->probe(mpt) == 0) { 2179 error = pers->attach(mpt); 2180 if (error != 0) { 2181 mpt_detach(mpt); 2182 return (error); 2183 } 2184 mpt->mpt_pers_mask |= (0x1 << pers->id); 2185 pers->use_count++; 2186 } 2187 } 2188 2189 /* 2190 * Now that we've attached everything, do the enable function 2191 * for all of the personalities. This allows the personalities 2192 * to do setups that are appropriate for them prior to enabling 2193 * any ports. 2194 */ 2195 for (i = 0; i < MPT_MAX_PERSONALITIES; i++) { 2196 pers = mpt_personalities[i]; 2197 if (pers != NULL && MPT_PERS_ATTACHED(pers, mpt) != 0) { 2198 error = pers->enable(mpt); 2199 if (error != 0) { 2200 mpt_prt(mpt, "personality %s attached but would" 2201 " not enable (%d)\n", pers->name, error); 2202 mpt_detach(mpt); 2203 return (error); 2204 } 2205 } 2206 } 2207 return (0); 2208 } 2209 2210 int 2211 mpt_shutdown(struct mpt_softc *mpt) 2212 { 2213 struct mpt_personality *pers; 2214 2215 MPT_PERS_FOREACH_REVERSE(mpt, pers) { 2216 pers->shutdown(mpt); 2217 } 2218 return (0); 2219 } 2220 2221 int 2222 mpt_detach(struct mpt_softc *mpt) 2223 { 2224 struct mpt_personality *pers; 2225 2226 MPT_PERS_FOREACH_REVERSE(mpt, pers) { 2227 pers->detach(mpt); 2228 mpt->mpt_pers_mask &= ~(0x1 << pers->id); 2229 pers->use_count--; 2230 } 2231 TAILQ_REMOVE(&mpt_tailq, mpt, links); 2232 return (0); 2233 } 2234 2235 static int 2236 mpt_core_load(struct mpt_personality *pers) 2237 { 2238 int i; 2239 2240 /* 2241 * Setup core handlers and insert the default handler 2242 * into all "empty slots". 2243 */ 2244 for (i = 0; i < MPT_NUM_REPLY_HANDLERS; i++) { 2245 mpt_reply_handlers[i] = mpt_default_reply_handler; 2246 } 2247 2248 mpt_reply_handlers[MPT_CBI(MPT_REPLY_HANDLER_EVENTS)] = 2249 mpt_event_reply_handler; 2250 mpt_reply_handlers[MPT_CBI(MPT_REPLY_HANDLER_CONFIG)] = 2251 mpt_config_reply_handler; 2252 mpt_reply_handlers[MPT_CBI(MPT_REPLY_HANDLER_HANDSHAKE)] = 2253 mpt_handshake_reply_handler; 2254 return (0); 2255 } 2256 2257 /* 2258 * Initialize per-instance driver data and perform 2259 * initial controller configuration. 2260 */ 2261 static int 2262 mpt_core_attach(struct mpt_softc *mpt) 2263 { 2264 int val, error; 2265 2266 LIST_INIT(&mpt->ack_frames); 2267 /* Put all request buffers on the free list */ 2268 TAILQ_INIT(&mpt->request_pending_list); 2269 TAILQ_INIT(&mpt->request_free_list); 2270 TAILQ_INIT(&mpt->request_timeout_list); 2271 for (val = 0; val < MPT_MAX_LUNS; val++) { 2272 STAILQ_INIT(&mpt->trt[val].atios); 2273 STAILQ_INIT(&mpt->trt[val].inots); 2274 } 2275 STAILQ_INIT(&mpt->trt_wildcard.atios); 2276 STAILQ_INIT(&mpt->trt_wildcard.inots); 2277 #ifdef MPT_TEST_MULTIPATH 2278 mpt->failure_id = -1; 2279 #endif 2280 mpt->scsi_tgt_handler_id = MPT_HANDLER_ID_NONE; 2281 mpt_sysctl_attach(mpt); 2282 mpt_lprt(mpt, MPT_PRT_DEBUG, "doorbell req = %s\n", 2283 mpt_ioc_diag(mpt_read(mpt, MPT_OFFSET_DOORBELL))); 2284 2285 MPT_LOCK(mpt); 2286 error = mpt_configure_ioc(mpt, 0, 0); 2287 MPT_UNLOCK(mpt); 2288 2289 return (error); 2290 } 2291 2292 static int 2293 mpt_core_enable(struct mpt_softc *mpt) 2294 { 2295 2296 /* 2297 * We enter with the IOC enabled, but async events 2298 * not enabled, ports not enabled and interrupts 2299 * not enabled. 2300 */ 2301 MPT_LOCK(mpt); 2302 2303 /* 2304 * Enable asynchronous event reporting- all personalities 2305 * have attached so that they should be able to now field 2306 * async events. 2307 */ 2308 mpt_send_event_request(mpt, 1); 2309 2310 /* 2311 * Catch any pending interrupts 2312 * 2313 * This seems to be crucial- otherwise 2314 * the portenable below times out. 2315 */ 2316 mpt_intr(mpt); 2317 2318 /* 2319 * Enable Interrupts 2320 */ 2321 mpt_enable_ints(mpt); 2322 2323 /* 2324 * Catch any pending interrupts 2325 * 2326 * This seems to be crucial- otherwise 2327 * the portenable below times out. 2328 */ 2329 mpt_intr(mpt); 2330 2331 /* 2332 * Enable the port. 2333 */ 2334 if (mpt_send_port_enable(mpt, 0) != MPT_OK) { 2335 mpt_prt(mpt, "failed to enable port 0\n"); 2336 MPT_UNLOCK(mpt); 2337 return (ENXIO); 2338 } 2339 MPT_UNLOCK(mpt); 2340 return (0); 2341 } 2342 2343 static void 2344 mpt_core_shutdown(struct mpt_softc *mpt) 2345 { 2346 2347 mpt_disable_ints(mpt); 2348 } 2349 2350 static void 2351 mpt_core_detach(struct mpt_softc *mpt) 2352 { 2353 int val; 2354 2355 /* 2356 * XXX: FREE MEMORY 2357 */ 2358 mpt_disable_ints(mpt); 2359 2360 /* Make sure no request has pending timeouts. */ 2361 for (val = 0; val < MPT_MAX_REQUESTS(mpt); val++) { 2362 request_t *req = &mpt->request_pool[val]; 2363 mpt_callout_drain(mpt, &req->callout); 2364 } 2365 2366 mpt_dma_buf_free(mpt); 2367 } 2368 2369 static int 2370 mpt_core_unload(struct mpt_personality *pers) 2371 { 2372 2373 /* Unload is always successful. */ 2374 return (0); 2375 } 2376 2377 #define FW_UPLOAD_REQ_SIZE \ 2378 (sizeof(MSG_FW_UPLOAD) - sizeof(SGE_MPI_UNION) \ 2379 + sizeof(FW_UPLOAD_TCSGE) + sizeof(SGE_SIMPLE32)) 2380 2381 static int 2382 mpt_upload_fw(struct mpt_softc *mpt) 2383 { 2384 uint8_t fw_req_buf[FW_UPLOAD_REQ_SIZE]; 2385 MSG_FW_UPLOAD_REPLY fw_reply; 2386 MSG_FW_UPLOAD *fw_req; 2387 FW_UPLOAD_TCSGE *tsge; 2388 SGE_SIMPLE32 *sge; 2389 uint32_t flags; 2390 int error; 2391 2392 memset(&fw_req_buf, 0, sizeof(fw_req_buf)); 2393 fw_req = (MSG_FW_UPLOAD *)fw_req_buf; 2394 fw_req->ImageType = MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM; 2395 fw_req->Function = MPI_FUNCTION_FW_UPLOAD; 2396 fw_req->MsgContext = htole32(MPT_REPLY_HANDLER_HANDSHAKE); 2397 tsge = (FW_UPLOAD_TCSGE *)&fw_req->SGL; 2398 tsge->DetailsLength = 12; 2399 tsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT; 2400 tsge->ImageSize = htole32(mpt->fw_image_size); 2401 sge = (SGE_SIMPLE32 *)(tsge + 1); 2402 flags = (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER 2403 | MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_SIMPLE_ELEMENT 2404 | MPI_SGE_FLAGS_32_BIT_ADDRESSING | MPI_SGE_FLAGS_IOC_TO_HOST); 2405 flags <<= MPI_SGE_FLAGS_SHIFT; 2406 sge->FlagsLength = htole32(flags | mpt->fw_image_size); 2407 sge->Address = htole32(mpt->fw_phys); 2408 bus_dmamap_sync(mpt->fw_dmat, mpt->fw_dmap, BUS_DMASYNC_PREREAD); 2409 error = mpt_send_handshake_cmd(mpt, sizeof(fw_req_buf), &fw_req_buf); 2410 if (error) 2411 return(error); 2412 error = mpt_recv_handshake_reply(mpt, sizeof(fw_reply), &fw_reply); 2413 bus_dmamap_sync(mpt->fw_dmat, mpt->fw_dmap, BUS_DMASYNC_POSTREAD); 2414 return (error); 2415 } 2416 2417 static void 2418 mpt_diag_outsl(struct mpt_softc *mpt, uint32_t addr, 2419 uint32_t *data, bus_size_t len) 2420 { 2421 uint32_t *data_end; 2422 2423 data_end = data + (roundup2(len, sizeof(uint32_t)) / 4); 2424 if (mpt->is_sas) { 2425 pci_enable_io(mpt->dev, SYS_RES_IOPORT); 2426 } 2427 mpt_pio_write(mpt, MPT_OFFSET_DIAG_ADDR, addr); 2428 while (data != data_end) { 2429 mpt_pio_write(mpt, MPT_OFFSET_DIAG_DATA, *data); 2430 data++; 2431 } 2432 if (mpt->is_sas) { 2433 pci_disable_io(mpt->dev, SYS_RES_IOPORT); 2434 } 2435 } 2436 2437 static int 2438 mpt_download_fw(struct mpt_softc *mpt) 2439 { 2440 MpiFwHeader_t *fw_hdr; 2441 int error; 2442 uint32_t ext_offset; 2443 uint32_t data; 2444 2445 if (mpt->pci_pio_reg == NULL) { 2446 mpt_prt(mpt, "No PIO resource!\n"); 2447 return (ENXIO); 2448 } 2449 2450 mpt_prt(mpt, "Downloading Firmware - Image Size %d\n", 2451 mpt->fw_image_size); 2452 2453 error = mpt_enable_diag_mode(mpt); 2454 if (error != 0) { 2455 mpt_prt(mpt, "Could not enter diagnostic mode!\n"); 2456 return (EIO); 2457 } 2458 2459 mpt_write(mpt, MPT_OFFSET_DIAGNOSTIC, 2460 MPI_DIAG_RW_ENABLE|MPI_DIAG_DISABLE_ARM); 2461 2462 fw_hdr = (MpiFwHeader_t *)mpt->fw_image; 2463 bus_dmamap_sync(mpt->fw_dmat, mpt->fw_dmap, BUS_DMASYNC_PREWRITE); 2464 mpt_diag_outsl(mpt, fw_hdr->LoadStartAddress, (uint32_t*)fw_hdr, 2465 fw_hdr->ImageSize); 2466 bus_dmamap_sync(mpt->fw_dmat, mpt->fw_dmap, BUS_DMASYNC_POSTWRITE); 2467 2468 ext_offset = fw_hdr->NextImageHeaderOffset; 2469 while (ext_offset != 0) { 2470 MpiExtImageHeader_t *ext; 2471 2472 ext = (MpiExtImageHeader_t *)((uintptr_t)fw_hdr + ext_offset); 2473 ext_offset = ext->NextImageHeaderOffset; 2474 bus_dmamap_sync(mpt->fw_dmat, mpt->fw_dmap, 2475 BUS_DMASYNC_PREWRITE); 2476 mpt_diag_outsl(mpt, ext->LoadStartAddress, (uint32_t*)ext, 2477 ext->ImageSize); 2478 bus_dmamap_sync(mpt->fw_dmat, mpt->fw_dmap, 2479 BUS_DMASYNC_POSTWRITE); 2480 } 2481 2482 if (mpt->is_sas) { 2483 pci_enable_io(mpt->dev, SYS_RES_IOPORT); 2484 } 2485 /* Setup the address to jump to on reset. */ 2486 mpt_pio_write(mpt, MPT_OFFSET_DIAG_ADDR, fw_hdr->IopResetRegAddr); 2487 mpt_pio_write(mpt, MPT_OFFSET_DIAG_DATA, fw_hdr->IopResetVectorValue); 2488 2489 /* 2490 * The controller sets the "flash bad" status after attempting 2491 * to auto-boot from flash. Clear the status so that the controller 2492 * will continue the boot process with our newly installed firmware. 2493 */ 2494 mpt_pio_write(mpt, MPT_OFFSET_DIAG_ADDR, MPT_DIAG_MEM_CFG_BASE); 2495 data = mpt_pio_read(mpt, MPT_OFFSET_DIAG_DATA) | MPT_DIAG_MEM_CFG_BADFL; 2496 mpt_pio_write(mpt, MPT_OFFSET_DIAG_ADDR, MPT_DIAG_MEM_CFG_BASE); 2497 mpt_pio_write(mpt, MPT_OFFSET_DIAG_DATA, data); 2498 2499 if (mpt->is_sas) { 2500 pci_disable_io(mpt->dev, SYS_RES_IOPORT); 2501 } 2502 2503 /* 2504 * Re-enable the processor and clear the boot halt flag. 2505 */ 2506 data = mpt_read(mpt, MPT_OFFSET_DIAGNOSTIC); 2507 data &= ~(MPI_DIAG_PREVENT_IOC_BOOT|MPI_DIAG_DISABLE_ARM); 2508 mpt_write(mpt, MPT_OFFSET_DIAGNOSTIC, data); 2509 2510 mpt_disable_diag_mode(mpt); 2511 return (0); 2512 } 2513 2514 static int 2515 mpt_dma_buf_alloc(struct mpt_softc *mpt) 2516 { 2517 struct mpt_map_info mi; 2518 uint8_t *vptr; 2519 uint32_t pptr, end; 2520 int i, error; 2521 2522 /* Create a child tag for data buffers */ 2523 if (mpt_dma_tag_create(mpt, mpt->parent_dmat, 1, 2524 0, BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, 2525 NULL, NULL, (mpt->max_cam_seg_cnt - 1) * PAGE_SIZE, 2526 mpt->max_cam_seg_cnt, BUS_SPACE_MAXSIZE_32BIT, 0, 2527 &mpt->buffer_dmat) != 0) { 2528 mpt_prt(mpt, "cannot create a dma tag for data buffers\n"); 2529 return (1); 2530 } 2531 2532 /* Create a child tag for request buffers */ 2533 if (mpt_dma_tag_create(mpt, mpt->parent_dmat, PAGE_SIZE, 0, 2534 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, 2535 NULL, NULL, MPT_REQ_MEM_SIZE(mpt), 1, BUS_SPACE_MAXSIZE_32BIT, 0, 2536 &mpt->request_dmat) != 0) { 2537 mpt_prt(mpt, "cannot create a dma tag for requests\n"); 2538 return (1); 2539 } 2540 2541 /* Allocate some DMA accessible memory for requests */ 2542 if (bus_dmamem_alloc(mpt->request_dmat, (void **)&mpt->request, 2543 BUS_DMA_NOWAIT | BUS_DMA_COHERENT, &mpt->request_dmap) != 0) { 2544 mpt_prt(mpt, "cannot allocate %d bytes of request memory\n", 2545 MPT_REQ_MEM_SIZE(mpt)); 2546 return (1); 2547 } 2548 2549 mi.mpt = mpt; 2550 mi.error = 0; 2551 2552 /* Load and lock it into "bus space" */ 2553 bus_dmamap_load(mpt->request_dmat, mpt->request_dmap, mpt->request, 2554 MPT_REQ_MEM_SIZE(mpt), mpt_map_rquest, &mi, 0); 2555 2556 if (mi.error) { 2557 mpt_prt(mpt, "error %d loading dma map for DMA request queue\n", 2558 mi.error); 2559 return (1); 2560 } 2561 mpt->request_phys = mi.phys; 2562 2563 /* 2564 * Now create per-request dma maps 2565 */ 2566 i = 0; 2567 pptr = mpt->request_phys; 2568 vptr = mpt->request; 2569 end = pptr + MPT_REQ_MEM_SIZE(mpt); 2570 while(pptr < end) { 2571 request_t *req = &mpt->request_pool[i]; 2572 req->index = i++; 2573 2574 /* Store location of Request Data */ 2575 req->req_pbuf = pptr; 2576 req->req_vbuf = vptr; 2577 2578 pptr += MPT_REQUEST_AREA; 2579 vptr += MPT_REQUEST_AREA; 2580 2581 req->sense_pbuf = (pptr - MPT_SENSE_SIZE); 2582 req->sense_vbuf = (vptr - MPT_SENSE_SIZE); 2583 2584 error = bus_dmamap_create(mpt->buffer_dmat, 0, &req->dmap); 2585 if (error) { 2586 mpt_prt(mpt, "error %d creating per-cmd DMA maps\n", 2587 error); 2588 return (1); 2589 } 2590 } 2591 2592 return (0); 2593 } 2594 2595 static void 2596 mpt_dma_buf_free(struct mpt_softc *mpt) 2597 { 2598 int i; 2599 2600 if (mpt->request_dmat == 0) { 2601 mpt_lprt(mpt, MPT_PRT_DEBUG, "already released dma memory\n"); 2602 return; 2603 } 2604 for (i = 0; i < MPT_MAX_REQUESTS(mpt); i++) { 2605 bus_dmamap_destroy(mpt->buffer_dmat, mpt->request_pool[i].dmap); 2606 } 2607 bus_dmamap_unload(mpt->request_dmat, mpt->request_dmap); 2608 bus_dmamem_free(mpt->request_dmat, mpt->request, mpt->request_dmap); 2609 bus_dma_tag_destroy(mpt->request_dmat); 2610 mpt->request_dmat = 0; 2611 bus_dma_tag_destroy(mpt->buffer_dmat); 2612 } 2613 2614 /* 2615 * Allocate/Initialize data structures for the controller. Called 2616 * once at instance startup. 2617 */ 2618 static int 2619 mpt_configure_ioc(struct mpt_softc *mpt, int tn, int needreset) 2620 { 2621 PTR_MSG_PORT_FACTS_REPLY pfp; 2622 int error, port, val; 2623 size_t len; 2624 2625 if (tn == MPT_MAX_TRYS) { 2626 return (-1); 2627 } 2628 2629 /* 2630 * No need to reset if the IOC is already in the READY state. 2631 * 2632 * Force reset if initialization failed previously. 2633 * Note that a hard_reset of the second channel of a '929 2634 * will stop operation of the first channel. Hopefully, if the 2635 * first channel is ok, the second will not require a hard 2636 * reset. 2637 */ 2638 if (needreset || MPT_STATE(mpt_rd_db(mpt)) != MPT_DB_STATE_READY) { 2639 if (mpt_reset(mpt, FALSE) != MPT_OK) { 2640 return (mpt_configure_ioc(mpt, tn++, 1)); 2641 } 2642 needreset = 0; 2643 } 2644 2645 if (mpt_get_iocfacts(mpt, &mpt->ioc_facts) != MPT_OK) { 2646 mpt_prt(mpt, "mpt_get_iocfacts failed\n"); 2647 return (mpt_configure_ioc(mpt, tn++, 1)); 2648 } 2649 mpt2host_iocfacts_reply(&mpt->ioc_facts); 2650 2651 mpt_prt(mpt, "MPI Version=%d.%d.%d.%d\n", 2652 mpt->ioc_facts.MsgVersion >> 8, 2653 mpt->ioc_facts.MsgVersion & 0xFF, 2654 mpt->ioc_facts.HeaderVersion >> 8, 2655 mpt->ioc_facts.HeaderVersion & 0xFF); 2656 2657 /* 2658 * Now that we know request frame size, we can calculate 2659 * the actual (reasonable) segment limit for read/write I/O. 2660 * 2661 * This limit is constrained by: 2662 * 2663 * + The size of each area we allocate per command (and how 2664 * many chain segments we can fit into it). 2665 * + The total number of areas we've set up. 2666 * + The actual chain depth the card will allow. 2667 * 2668 * The first area's segment count is limited by the I/O request 2669 * at the head of it. We cannot allocate realistically more 2670 * than MPT_MAX_REQUESTS areas. Therefore, to account for both 2671 * conditions, we'll just start out with MPT_MAX_REQUESTS-2. 2672 * 2673 */ 2674 /* total number of request areas we (can) allocate */ 2675 mpt->max_seg_cnt = MPT_MAX_REQUESTS(mpt) - 2; 2676 2677 /* converted to the number of chain areas possible */ 2678 mpt->max_seg_cnt *= MPT_NRFM(mpt); 2679 2680 /* limited by the number of chain areas the card will support */ 2681 if (mpt->max_seg_cnt > mpt->ioc_facts.MaxChainDepth) { 2682 mpt_lprt(mpt, MPT_PRT_INFO, 2683 "chain depth limited to %u (from %u)\n", 2684 mpt->ioc_facts.MaxChainDepth, mpt->max_seg_cnt); 2685 mpt->max_seg_cnt = mpt->ioc_facts.MaxChainDepth; 2686 } 2687 2688 /* converted to the number of simple sges in chain segments. */ 2689 mpt->max_seg_cnt *= (MPT_NSGL(mpt) - 1); 2690 2691 /* 2692 * Use this as the basis for reporting the maximum I/O size to CAM. 2693 */ 2694 mpt->max_cam_seg_cnt = min(mpt->max_seg_cnt, (MAXPHYS / PAGE_SIZE) + 1); 2695 2696 /* XXX Lame Locking! */ 2697 MPT_UNLOCK(mpt); 2698 error = mpt_dma_buf_alloc(mpt); 2699 MPT_LOCK(mpt); 2700 2701 if (error != 0) { 2702 mpt_prt(mpt, "mpt_dma_buf_alloc() failed!\n"); 2703 return (EIO); 2704 } 2705 2706 for (val = 0; val < MPT_MAX_REQUESTS(mpt); val++) { 2707 request_t *req = &mpt->request_pool[val]; 2708 req->state = REQ_STATE_ALLOCATED; 2709 mpt_callout_init(mpt, &req->callout); 2710 mpt_free_request(mpt, req); 2711 } 2712 2713 mpt_lprt(mpt, MPT_PRT_INFO, "Maximum Segment Count: %u, Maximum " 2714 "CAM Segment Count: %u\n", mpt->max_seg_cnt, 2715 mpt->max_cam_seg_cnt); 2716 2717 mpt_lprt(mpt, MPT_PRT_INFO, "MsgLength=%u IOCNumber = %d\n", 2718 mpt->ioc_facts.MsgLength, mpt->ioc_facts.IOCNumber); 2719 mpt_lprt(mpt, MPT_PRT_INFO, 2720 "IOCFACTS: GlobalCredits=%d BlockSize=%u bytes " 2721 "Request Frame Size %u bytes Max Chain Depth %u\n", 2722 mpt->ioc_facts.GlobalCredits, mpt->ioc_facts.BlockSize, 2723 mpt->ioc_facts.RequestFrameSize << 2, 2724 mpt->ioc_facts.MaxChainDepth); 2725 mpt_lprt(mpt, MPT_PRT_INFO, "IOCFACTS: Num Ports %d, FWImageSize %d, " 2726 "Flags=%#x\n", mpt->ioc_facts.NumberOfPorts, 2727 mpt->ioc_facts.FWImageSize, mpt->ioc_facts.Flags); 2728 2729 len = mpt->ioc_facts.NumberOfPorts * sizeof (MSG_PORT_FACTS_REPLY); 2730 mpt->port_facts = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 2731 if (mpt->port_facts == NULL) { 2732 mpt_prt(mpt, "unable to allocate memory for port facts\n"); 2733 return (ENOMEM); 2734 } 2735 2736 if ((mpt->ioc_facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT) && 2737 (mpt->fw_uploaded == 0)) { 2738 struct mpt_map_info mi; 2739 2740 /* 2741 * In some configurations, the IOC's firmware is 2742 * stored in a shared piece of system NVRAM that 2743 * is only accessible via the BIOS. In this 2744 * case, the firmware keeps a copy of firmware in 2745 * RAM until the OS driver retrieves it. Once 2746 * retrieved, we are responsible for re-downloading 2747 * the firmware after any hard-reset. 2748 */ 2749 MPT_UNLOCK(mpt); 2750 mpt->fw_image_size = mpt->ioc_facts.FWImageSize; 2751 error = mpt_dma_tag_create(mpt, mpt->parent_dmat, 1, 0, 2752 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 2753 mpt->fw_image_size, 1, mpt->fw_image_size, 0, 2754 &mpt->fw_dmat); 2755 if (error != 0) { 2756 mpt_prt(mpt, "cannot create firmware dma tag\n"); 2757 MPT_LOCK(mpt); 2758 return (ENOMEM); 2759 } 2760 error = bus_dmamem_alloc(mpt->fw_dmat, 2761 (void **)&mpt->fw_image, BUS_DMA_NOWAIT | 2762 BUS_DMA_COHERENT, &mpt->fw_dmap); 2763 if (error != 0) { 2764 mpt_prt(mpt, "cannot allocate firmware memory\n"); 2765 bus_dma_tag_destroy(mpt->fw_dmat); 2766 MPT_LOCK(mpt); 2767 return (ENOMEM); 2768 } 2769 mi.mpt = mpt; 2770 mi.error = 0; 2771 bus_dmamap_load(mpt->fw_dmat, mpt->fw_dmap, 2772 mpt->fw_image, mpt->fw_image_size, mpt_map_rquest, &mi, 0); 2773 mpt->fw_phys = mi.phys; 2774 2775 MPT_LOCK(mpt); 2776 error = mpt_upload_fw(mpt); 2777 if (error != 0) { 2778 mpt_prt(mpt, "firmware upload failed.\n"); 2779 bus_dmamap_unload(mpt->fw_dmat, mpt->fw_dmap); 2780 bus_dmamem_free(mpt->fw_dmat, mpt->fw_image, 2781 mpt->fw_dmap); 2782 bus_dma_tag_destroy(mpt->fw_dmat); 2783 mpt->fw_image = NULL; 2784 return (EIO); 2785 } 2786 mpt->fw_uploaded = 1; 2787 } 2788 2789 for (port = 0; port < mpt->ioc_facts.NumberOfPorts; port++) { 2790 pfp = &mpt->port_facts[port]; 2791 error = mpt_get_portfacts(mpt, 0, pfp); 2792 if (error != MPT_OK) { 2793 mpt_prt(mpt, 2794 "mpt_get_portfacts on port %d failed\n", port); 2795 free(mpt->port_facts, M_DEVBUF); 2796 mpt->port_facts = NULL; 2797 return (mpt_configure_ioc(mpt, tn++, 1)); 2798 } 2799 mpt2host_portfacts_reply(pfp); 2800 2801 if (port > 0) { 2802 error = MPT_PRT_INFO; 2803 } else { 2804 error = MPT_PRT_DEBUG; 2805 } 2806 mpt_lprt(mpt, error, 2807 "PORTFACTS[%d]: Type %x PFlags %x IID %d MaxDev %d\n", 2808 port, pfp->PortType, pfp->ProtocolFlags, pfp->PortSCSIID, 2809 pfp->MaxDevices); 2810 } 2811 2812 /* 2813 * XXX: Not yet supporting more than port 0 2814 */ 2815 pfp = &mpt->port_facts[0]; 2816 if (pfp->PortType == MPI_PORTFACTS_PORTTYPE_FC) { 2817 mpt->is_fc = 1; 2818 mpt->is_sas = 0; 2819 mpt->is_spi = 0; 2820 } else if (pfp->PortType == MPI_PORTFACTS_PORTTYPE_SAS) { 2821 mpt->is_fc = 0; 2822 mpt->is_sas = 1; 2823 mpt->is_spi = 0; 2824 } else if (pfp->PortType == MPI_PORTFACTS_PORTTYPE_SCSI) { 2825 mpt->is_fc = 0; 2826 mpt->is_sas = 0; 2827 mpt->is_spi = 1; 2828 if (mpt->mpt_ini_id == MPT_INI_ID_NONE) 2829 mpt->mpt_ini_id = pfp->PortSCSIID; 2830 } else if (pfp->PortType == MPI_PORTFACTS_PORTTYPE_ISCSI) { 2831 mpt_prt(mpt, "iSCSI not supported yet\n"); 2832 return (ENXIO); 2833 } else if (pfp->PortType == MPI_PORTFACTS_PORTTYPE_INACTIVE) { 2834 mpt_prt(mpt, "Inactive Port\n"); 2835 return (ENXIO); 2836 } else { 2837 mpt_prt(mpt, "unknown Port Type %#x\n", pfp->PortType); 2838 return (ENXIO); 2839 } 2840 2841 /* 2842 * Set our role with what this port supports. 2843 * 2844 * Note this might be changed later in different modules 2845 * if this is different from what is wanted. 2846 */ 2847 mpt->role = MPT_ROLE_NONE; 2848 if (pfp->ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR) { 2849 mpt->role |= MPT_ROLE_INITIATOR; 2850 } 2851 if (pfp->ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) { 2852 mpt->role |= MPT_ROLE_TARGET; 2853 } 2854 2855 /* 2856 * Enable the IOC 2857 */ 2858 if (mpt_enable_ioc(mpt, 1) != MPT_OK) { 2859 mpt_prt(mpt, "unable to initialize IOC\n"); 2860 return (ENXIO); 2861 } 2862 2863 /* 2864 * Read IOC configuration information. 2865 * 2866 * We need this to determine whether or not we have certain 2867 * settings for Integrated Mirroring (e.g.). 2868 */ 2869 mpt_read_config_info_ioc(mpt); 2870 2871 return (0); 2872 } 2873 2874 static int 2875 mpt_enable_ioc(struct mpt_softc *mpt, int portenable) 2876 { 2877 uint32_t pptr; 2878 int val; 2879 2880 if (mpt_send_ioc_init(mpt, MPI_WHOINIT_HOST_DRIVER) != MPT_OK) { 2881 mpt_prt(mpt, "mpt_send_ioc_init failed\n"); 2882 return (EIO); 2883 } 2884 2885 mpt_lprt(mpt, MPT_PRT_DEBUG, "mpt_send_ioc_init ok\n"); 2886 2887 if (mpt_wait_state(mpt, MPT_DB_STATE_RUNNING) != MPT_OK) { 2888 mpt_prt(mpt, "IOC failed to go to run state\n"); 2889 return (ENXIO); 2890 } 2891 mpt_lprt(mpt, MPT_PRT_DEBUG, "IOC now at RUNSTATE\n"); 2892 2893 /* 2894 * Give it reply buffers 2895 * 2896 * Do *not* exceed global credits. 2897 */ 2898 for (val = 0, pptr = mpt->reply_phys; 2899 (pptr + MPT_REPLY_SIZE) < (mpt->reply_phys + PAGE_SIZE); 2900 pptr += MPT_REPLY_SIZE) { 2901 mpt_free_reply(mpt, pptr); 2902 if (++val == mpt->ioc_facts.GlobalCredits - 1) 2903 break; 2904 } 2905 2906 /* 2907 * Enable the port if asked. This is only done if we're resetting 2908 * the IOC after initial startup. 2909 */ 2910 if (portenable) { 2911 /* 2912 * Enable asynchronous event reporting 2913 */ 2914 mpt_send_event_request(mpt, 1); 2915 2916 if (mpt_send_port_enable(mpt, 0) != MPT_OK) { 2917 mpt_prt(mpt, "%s: failed to enable port 0\n", __func__); 2918 return (ENXIO); 2919 } 2920 } 2921 return (MPT_OK); 2922 } 2923 2924 /* 2925 * Endian Conversion Functions- only used on Big Endian machines 2926 */ 2927 #if _BYTE_ORDER == _BIG_ENDIAN 2928 void 2929 mpt2host_sge_simple_union(SGE_SIMPLE_UNION *sge) 2930 { 2931 2932 MPT_2_HOST32(sge, FlagsLength); 2933 MPT_2_HOST32(sge, u.Address64.Low); 2934 MPT_2_HOST32(sge, u.Address64.High); 2935 } 2936 2937 void 2938 mpt2host_iocfacts_reply(MSG_IOC_FACTS_REPLY *rp) 2939 { 2940 2941 MPT_2_HOST16(rp, MsgVersion); 2942 MPT_2_HOST16(rp, HeaderVersion); 2943 MPT_2_HOST32(rp, MsgContext); 2944 MPT_2_HOST16(rp, IOCExceptions); 2945 MPT_2_HOST16(rp, IOCStatus); 2946 MPT_2_HOST32(rp, IOCLogInfo); 2947 MPT_2_HOST16(rp, ReplyQueueDepth); 2948 MPT_2_HOST16(rp, RequestFrameSize); 2949 MPT_2_HOST16(rp, Reserved_0101_FWVersion); 2950 MPT_2_HOST16(rp, ProductID); 2951 MPT_2_HOST32(rp, CurrentHostMfaHighAddr); 2952 MPT_2_HOST16(rp, GlobalCredits); 2953 MPT_2_HOST32(rp, CurrentSenseBufferHighAddr); 2954 MPT_2_HOST16(rp, CurReplyFrameSize); 2955 MPT_2_HOST32(rp, FWImageSize); 2956 MPT_2_HOST32(rp, IOCCapabilities); 2957 MPT_2_HOST32(rp, FWVersion.Word); 2958 MPT_2_HOST16(rp, HighPriorityQueueDepth); 2959 MPT_2_HOST16(rp, Reserved2); 2960 mpt2host_sge_simple_union(&rp->HostPageBufferSGE); 2961 MPT_2_HOST32(rp, ReplyFifoHostSignalingAddr); 2962 } 2963 2964 void 2965 mpt2host_portfacts_reply(MSG_PORT_FACTS_REPLY *pfp) 2966 { 2967 2968 MPT_2_HOST16(pfp, Reserved); 2969 MPT_2_HOST16(pfp, Reserved1); 2970 MPT_2_HOST32(pfp, MsgContext); 2971 MPT_2_HOST16(pfp, Reserved2); 2972 MPT_2_HOST16(pfp, IOCStatus); 2973 MPT_2_HOST32(pfp, IOCLogInfo); 2974 MPT_2_HOST16(pfp, MaxDevices); 2975 MPT_2_HOST16(pfp, PortSCSIID); 2976 MPT_2_HOST16(pfp, ProtocolFlags); 2977 MPT_2_HOST16(pfp, MaxPostedCmdBuffers); 2978 MPT_2_HOST16(pfp, MaxPersistentIDs); 2979 MPT_2_HOST16(pfp, MaxLanBuckets); 2980 MPT_2_HOST16(pfp, Reserved4); 2981 MPT_2_HOST32(pfp, Reserved5); 2982 } 2983 2984 void 2985 mpt2host_config_page_ioc2(CONFIG_PAGE_IOC_2 *ioc2) 2986 { 2987 int i; 2988 2989 MPT_2_HOST32(ioc2, CapabilitiesFlags); 2990 for (i = 0; i < MPI_IOC_PAGE_2_RAID_VOLUME_MAX; i++) { 2991 MPT_2_HOST16(ioc2, RaidVolume[i].Reserved3); 2992 } 2993 } 2994 2995 void 2996 mpt2host_config_page_ioc3(CONFIG_PAGE_IOC_3 *ioc3) 2997 { 2998 2999 MPT_2_HOST16(ioc3, Reserved2); 3000 } 3001 3002 void 3003 mpt2host_config_page_scsi_port_0(CONFIG_PAGE_SCSI_PORT_0 *sp0) 3004 { 3005 3006 MPT_2_HOST32(sp0, Capabilities); 3007 MPT_2_HOST32(sp0, PhysicalInterface); 3008 } 3009 3010 void 3011 mpt2host_config_page_scsi_port_1(CONFIG_PAGE_SCSI_PORT_1 *sp1) 3012 { 3013 3014 MPT_2_HOST32(sp1, Configuration); 3015 MPT_2_HOST32(sp1, OnBusTimerValue); 3016 MPT_2_HOST16(sp1, IDConfig); 3017 } 3018 3019 void 3020 host2mpt_config_page_scsi_port_1(CONFIG_PAGE_SCSI_PORT_1 *sp1) 3021 { 3022 3023 HOST_2_MPT32(sp1, Configuration); 3024 HOST_2_MPT32(sp1, OnBusTimerValue); 3025 HOST_2_MPT16(sp1, IDConfig); 3026 } 3027 3028 void 3029 mpt2host_config_page_scsi_port_2(CONFIG_PAGE_SCSI_PORT_2 *sp2) 3030 { 3031 int i; 3032 3033 MPT_2_HOST32(sp2, PortFlags); 3034 MPT_2_HOST32(sp2, PortSettings); 3035 for (i = 0; i < sizeof(sp2->DeviceSettings) / 3036 sizeof(*sp2->DeviceSettings); i++) { 3037 MPT_2_HOST16(sp2, DeviceSettings[i].DeviceFlags); 3038 } 3039 } 3040 3041 void 3042 mpt2host_config_page_scsi_device_0(CONFIG_PAGE_SCSI_DEVICE_0 *sd0) 3043 { 3044 3045 MPT_2_HOST32(sd0, NegotiatedParameters); 3046 MPT_2_HOST32(sd0, Information); 3047 } 3048 3049 void 3050 mpt2host_config_page_scsi_device_1(CONFIG_PAGE_SCSI_DEVICE_1 *sd1) 3051 { 3052 3053 MPT_2_HOST32(sd1, RequestedParameters); 3054 MPT_2_HOST32(sd1, Reserved); 3055 MPT_2_HOST32(sd1, Configuration); 3056 } 3057 3058 void 3059 host2mpt_config_page_scsi_device_1(CONFIG_PAGE_SCSI_DEVICE_1 *sd1) 3060 { 3061 3062 HOST_2_MPT32(sd1, RequestedParameters); 3063 HOST_2_MPT32(sd1, Reserved); 3064 HOST_2_MPT32(sd1, Configuration); 3065 } 3066 3067 void 3068 mpt2host_config_page_fc_port_0(CONFIG_PAGE_FC_PORT_0 *fp0) 3069 { 3070 3071 MPT_2_HOST32(fp0, Flags); 3072 MPT_2_HOST32(fp0, PortIdentifier); 3073 MPT_2_HOST32(fp0, WWNN.Low); 3074 MPT_2_HOST32(fp0, WWNN.High); 3075 MPT_2_HOST32(fp0, WWPN.Low); 3076 MPT_2_HOST32(fp0, WWPN.High); 3077 MPT_2_HOST32(fp0, SupportedServiceClass); 3078 MPT_2_HOST32(fp0, SupportedSpeeds); 3079 MPT_2_HOST32(fp0, CurrentSpeed); 3080 MPT_2_HOST32(fp0, MaxFrameSize); 3081 MPT_2_HOST32(fp0, FabricWWNN.Low); 3082 MPT_2_HOST32(fp0, FabricWWNN.High); 3083 MPT_2_HOST32(fp0, FabricWWPN.Low); 3084 MPT_2_HOST32(fp0, FabricWWPN.High); 3085 MPT_2_HOST32(fp0, DiscoveredPortsCount); 3086 MPT_2_HOST32(fp0, MaxInitiators); 3087 } 3088 3089 void 3090 mpt2host_config_page_fc_port_1(CONFIG_PAGE_FC_PORT_1 *fp1) 3091 { 3092 3093 MPT_2_HOST32(fp1, Flags); 3094 MPT_2_HOST32(fp1, NoSEEPROMWWNN.Low); 3095 MPT_2_HOST32(fp1, NoSEEPROMWWNN.High); 3096 MPT_2_HOST32(fp1, NoSEEPROMWWPN.Low); 3097 MPT_2_HOST32(fp1, NoSEEPROMWWPN.High); 3098 } 3099 3100 void 3101 host2mpt_config_page_fc_port_1(CONFIG_PAGE_FC_PORT_1 *fp1) 3102 { 3103 3104 HOST_2_MPT32(fp1, Flags); 3105 HOST_2_MPT32(fp1, NoSEEPROMWWNN.Low); 3106 HOST_2_MPT32(fp1, NoSEEPROMWWNN.High); 3107 HOST_2_MPT32(fp1, NoSEEPROMWWPN.Low); 3108 HOST_2_MPT32(fp1, NoSEEPROMWWPN.High); 3109 } 3110 3111 void 3112 mpt2host_config_page_raid_vol_0(CONFIG_PAGE_RAID_VOL_0 *volp) 3113 { 3114 int i; 3115 3116 MPT_2_HOST16(volp, VolumeStatus.Reserved); 3117 MPT_2_HOST16(volp, VolumeSettings.Settings); 3118 MPT_2_HOST32(volp, MaxLBA); 3119 MPT_2_HOST32(volp, MaxLBAHigh); 3120 MPT_2_HOST32(volp, StripeSize); 3121 MPT_2_HOST32(volp, Reserved2); 3122 MPT_2_HOST32(volp, Reserved3); 3123 for (i = 0; i < MPI_RAID_VOL_PAGE_0_PHYSDISK_MAX; i++) { 3124 MPT_2_HOST16(volp, PhysDisk[i].Reserved); 3125 } 3126 } 3127 3128 void 3129 mpt2host_config_page_raid_phys_disk_0(CONFIG_PAGE_RAID_PHYS_DISK_0 *rpd0) 3130 { 3131 3132 MPT_2_HOST32(rpd0, Reserved1); 3133 MPT_2_HOST16(rpd0, PhysDiskStatus.Reserved); 3134 MPT_2_HOST32(rpd0, MaxLBA); 3135 MPT_2_HOST16(rpd0, ErrorData.Reserved); 3136 MPT_2_HOST16(rpd0, ErrorData.ErrorCount); 3137 MPT_2_HOST16(rpd0, ErrorData.SmartCount); 3138 } 3139 3140 void 3141 mpt2host_mpi_raid_vol_indicator(MPI_RAID_VOL_INDICATOR *vi) 3142 { 3143 3144 MPT_2_HOST16(vi, TotalBlocks.High); 3145 MPT_2_HOST16(vi, TotalBlocks.Low); 3146 MPT_2_HOST16(vi, BlocksRemaining.High); 3147 MPT_2_HOST16(vi, BlocksRemaining.Low); 3148 } 3149 #endif 3150