mpt_netbsd.c revision 1.1
1 /* $NetBSD: mpt_netbsd.c,v 1.1 2003/04/16 22:03:00 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 2003 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 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, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 /* 39 * Copyright (c) 2000, 2001 by Greg Ansley 40 * Partially derived from Matt Jacob's ISP driver. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice immediately at the beginning of the file, without modification, 47 * this list of conditions, and the following disclaimer. 48 * 2. The name of the author may not be used to endorse or promote products 49 * derived from this software without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 54 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 55 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 57 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 59 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 61 * SUCH DAMAGE. 62 */ 63 /* 64 * Additional Copyright (c) 2002 by Matthew Jacob under same license. 65 */ 66 67 /* 68 * mpt_netbsd.c: 69 * 70 * NetBSD-specific routines for LSI Fusion adapters. Includes some 71 * bus_dma glue, and SCSIPI glue. 72 * 73 * Adapted from the FreeBSD "mpt" driver by Jason R. Thorpe for 74 * Wasabi Systems, Inc. 75 */ 76 77 #include <dev/ic/mpt.h> /* pulls in all headers */ 78 79 #include <machine/stdarg.h> /* for mpt_prt() */ 80 81 static int mpt_poll(mpt_softc_t *, struct scsipi_xfer *, int); 82 static void mpt_timeout(void *); 83 static void mpt_done(mpt_softc_t *, uint32_t); 84 static void mpt_run_xfer(mpt_softc_t *, struct scsipi_xfer *); 85 static void mpt_set_xfer_mode(mpt_softc_t *, struct scsipi_xfer_mode *); 86 static void mpt_get_xfer_mode(mpt_softc_t *, struct scsipi_periph *); 87 static void mpt_ctlop(mpt_softc_t *, void *vmsg, uint32_t); 88 static void mpt_event_notify_reply(mpt_softc_t *, MSG_EVENT_NOTIFY_REPLY *); 89 90 static void mpt_scsipi_request(struct scsipi_channel *, 91 scsipi_adapter_req_t, void *); 92 static void mpt_minphys(struct buf *); 93 94 void 95 mpt_scsipi_attach(mpt_softc_t *mpt) 96 { 97 struct scsipi_adapter *adapt = &mpt->sc_adapter; 98 struct scsipi_channel *chan = &mpt->sc_channel; 99 int maxq; 100 101 mpt->bus = 0; /* XXX ?? */ 102 103 maxq = (mpt->mpt_global_credits < MPT_MAX_REQUESTS(mpt)) ? 104 mpt->mpt_global_credits : MPT_MAX_REQUESTS(mpt); 105 106 /* Fill in the scsipi_adapter. */ 107 memset(adapt, 0, sizeof(*adapt)); 108 adapt->adapt_dev = &mpt->sc_dev; 109 adapt->adapt_nchannels = 1; 110 adapt->adapt_openings = maxq; 111 adapt->adapt_max_periph = maxq; 112 adapt->adapt_request = mpt_scsipi_request; 113 adapt->adapt_minphys = mpt_minphys; 114 115 /* Fill in the scsipi_channel. */ 116 memset(chan, 0, sizeof(*chan)); 117 chan->chan_adapter = adapt; 118 chan->chan_bustype = &scsi_bustype; 119 chan->chan_channel = 0; 120 chan->chan_flags = 0; 121 chan->chan_nluns = 8; 122 if (mpt->is_fc) { 123 chan->chan_ntargets = 256; 124 chan->chan_id = 256; 125 } else { 126 chan->chan_ntargets = 16; 127 chan->chan_id = mpt->mpt_ini_id; 128 } 129 130 (void) config_found(&mpt->sc_dev, &mpt->sc_channel, scsiprint); 131 } 132 133 int 134 mpt_dma_mem_alloc(mpt_softc_t *mpt) 135 { 136 bus_dma_segment_t reply_seg, request_seg; 137 int reply_rseg, request_rseg; 138 bus_addr_t pptr, end; 139 caddr_t vptr; 140 size_t len; 141 int error, i; 142 143 /* Check if we have already allocated the reply memory. */ 144 if (mpt->reply != NULL) 145 return (0); 146 147 /* 148 * Allocate the request pool. This isn't really DMA'd memory, 149 * but it's a convenient place to do it. 150 */ 151 len = sizeof(request_t) * MPT_MAX_REQUESTS(mpt); 152 mpt->request_pool = malloc(len, M_DEVBUF, M_WAITOK | M_ZERO); 153 if (mpt->request_pool == NULL) { 154 aprint_error("%s: unable to allocate request pool\n", 155 mpt->sc_dev.dv_xname); 156 return (ENOMEM); 157 } 158 159 /* 160 * Allocate DMA resources for reply buffers. 161 */ 162 error = bus_dmamem_alloc(mpt->sc_dmat, PAGE_SIZE, PAGE_SIZE, 0, 163 &reply_seg, 1, &reply_rseg, 0); 164 if (error) { 165 aprint_error("%s: unable to allocate reply area, error = %d\n", 166 mpt->sc_dev.dv_xname, error); 167 goto fail_0; 168 } 169 170 error = bus_dmamem_map(mpt->sc_dmat, &reply_seg, reply_rseg, PAGE_SIZE, 171 (caddr_t *) &mpt->reply, BUS_DMA_COHERENT/*XXX*/); 172 if (error) { 173 aprint_error("%s: unable to map reply area, error = %d\n", 174 mpt->sc_dev.dv_xname, error); 175 goto fail_1; 176 } 177 178 error = bus_dmamap_create(mpt->sc_dmat, PAGE_SIZE, 1, PAGE_SIZE, 179 0, 0, &mpt->reply_dmap); 180 if (error) { 181 aprint_error("%s: unable to create reply DMA map, error = %d\n", 182 mpt->sc_dev.dv_xname, error); 183 goto fail_2; 184 } 185 186 error = bus_dmamap_load(mpt->sc_dmat, mpt->reply_dmap, mpt->reply, 187 PAGE_SIZE, NULL, 0); 188 if (error) { 189 aprint_error("%s: unable to load reply DMA map, error = %d\n", 190 mpt->sc_dev.dv_xname, error); 191 goto fail_3; 192 } 193 mpt->reply_phys = mpt->reply_dmap->dm_segs[0].ds_addr; 194 195 /* 196 * Allocate DMA resources for request buffers. 197 */ 198 error = bus_dmamem_alloc(mpt->sc_dmat, MPT_REQ_MEM_SIZE(mpt), 199 PAGE_SIZE, 0, &request_seg, 1, &request_rseg, 0); 200 if (error) { 201 aprint_error("%s: unable to allocate request area, " 202 "error = %d\n", mpt->sc_dev.dv_xname, error); 203 goto fail_4; 204 } 205 206 error = bus_dmamem_map(mpt->sc_dmat, &request_seg, request_rseg, 207 MPT_REQ_MEM_SIZE(mpt), (caddr_t *) &mpt->request, 208 BUS_DMA_COHERENT/*XXX*/); 209 if (error) { 210 aprint_error("%s: unable to map request area, error = %d\n", 211 mpt->sc_dev.dv_xname, error); 212 goto fail_5; 213 } 214 215 error = bus_dmamap_create(mpt->sc_dmat, MPT_REQ_MEM_SIZE(mpt), 1, 216 MPT_REQ_MEM_SIZE(mpt), 0, 0, &mpt->request_dmap); 217 if (error) { 218 aprint_error("%s: unable to create request DMA map, " 219 "error = %d\n", mpt->sc_dev.dv_xname, error); 220 goto fail_6; 221 } 222 223 error = bus_dmamap_load(mpt->sc_dmat, mpt->request_dmap, mpt->request, 224 MPT_REQ_MEM_SIZE(mpt), NULL, 0); 225 if (error) { 226 aprint_error("%s: unable to load request DMA map, error = %d\n", 227 mpt->sc_dev.dv_xname, error); 228 goto fail_7; 229 } 230 mpt->request_phys = mpt->request_dmap->dm_segs[0].ds_addr; 231 232 pptr = mpt->request_phys; 233 vptr = (caddr_t) mpt->request; 234 end = pptr + MPT_REQ_MEM_SIZE(mpt); 235 236 for (i = 0; pptr < end; i++) { 237 request_t *req = &mpt->request_pool[i]; 238 req->index = i; 239 240 /* Store location of Request Data */ 241 req->req_pbuf = pptr; 242 req->req_vbuf = vptr; 243 244 pptr += MPT_REQUEST_AREA; 245 vptr += MPT_REQUEST_AREA; 246 247 req->sense_pbuf = (pptr - MPT_SENSE_SIZE); 248 req->sense_vbuf = (vptr - MPT_SENSE_SIZE); 249 250 error = bus_dmamap_create(mpt->sc_dmat, MAXBSIZE, 251 MPT_SGL_MAX, MAXBSIZE, 0, 0, &req->dmap); 252 if (error) { 253 aprint_error("%s: unable to create req %d DMA map, " 254 "error = %d\n", mpt->sc_dev.dv_xname, i, error); 255 goto fail_8; 256 } 257 } 258 259 return (0); 260 261 fail_8: 262 for (--i; i >= 0; i--) { 263 request_t *req = &mpt->request_pool[i]; 264 bus_dmamap_destroy(mpt->sc_dmat, req->dmap); 265 } 266 bus_dmamap_unload(mpt->sc_dmat, mpt->request_dmap); 267 fail_7: 268 bus_dmamap_destroy(mpt->sc_dmat, mpt->request_dmap); 269 fail_6: 270 bus_dmamem_unmap(mpt->sc_dmat, (caddr_t)mpt->request, PAGE_SIZE); 271 fail_5: 272 bus_dmamem_free(mpt->sc_dmat, &request_seg, request_rseg); 273 fail_4: 274 bus_dmamap_unload(mpt->sc_dmat, mpt->reply_dmap); 275 fail_3: 276 bus_dmamap_destroy(mpt->sc_dmat, mpt->reply_dmap); 277 fail_2: 278 bus_dmamem_unmap(mpt->sc_dmat, (caddr_t)mpt->reply, PAGE_SIZE); 279 fail_1: 280 bus_dmamem_free(mpt->sc_dmat, &reply_seg, reply_rseg); 281 fail_0: 282 free(mpt->request_pool, M_DEVBUF); 283 284 mpt->reply = NULL; 285 mpt->request = NULL; 286 mpt->request_pool = NULL; 287 288 return (error); 289 } 290 291 int 292 mpt_intr(void *arg) 293 { 294 mpt_softc_t *mpt = arg; 295 int nrepl = 0; 296 uint32_t reply; 297 298 if ((mpt_read(mpt, MPT_OFFSET_INTR_STATUS) & MPT_INTR_REPLY_READY) == 0) 299 return (0); 300 301 reply = mpt_pop_reply_queue(mpt); 302 while (reply != MPT_REPLY_EMPTY) { 303 nrepl++; 304 if (mpt->verbose > 1) { 305 if ((reply & MPT_CONTEXT_REPLY) != 0) { 306 /* Address reply; IOC has something to say */ 307 mpt_print_reply(MPT_REPLY_PTOV(mpt, reply)); 308 } else { 309 /* Context reply; all went well */ 310 mpt_prt(mpt, "context %u reply OK", reply); 311 } 312 } 313 mpt_done(mpt, reply); 314 reply = mpt_pop_reply_queue(mpt); 315 } 316 return (nrepl != 0); 317 } 318 319 void 320 mpt_prt(mpt_softc_t *mpt, const char *fmt, ...) 321 { 322 va_list ap; 323 324 printf("%s: ", mpt->sc_dev.dv_xname); 325 va_start(ap, fmt); 326 vprintf(fmt, ap); 327 va_end(ap); 328 printf("\n"); 329 } 330 331 static int 332 mpt_poll(mpt_softc_t *mpt, struct scsipi_xfer *xs, int count) 333 { 334 335 /* Timeouts are in msec, so we loop in 1000usec cycles */ 336 while (count) { 337 mpt_intr(mpt); 338 if (xs->xs_status & XS_STS_DONE) 339 return (0); 340 delay(1000); /* only happens in boot, so ok */ 341 count--; 342 } 343 return (1); 344 } 345 346 static void 347 mpt_timeout(void *arg) 348 { 349 request_t *req = arg; 350 struct scsipi_xfer *xs = req->xfer; 351 struct scsipi_periph *periph = xs->xs_periph; 352 mpt_softc_t *mpt = 353 (void *) periph->periph_channel->chan_adapter->adapt_dev; 354 uint32_t oseq; 355 int s; 356 357 scsipi_printaddr(periph); 358 printf("command timeout\n"); 359 360 s = splbio(); 361 362 oseq = req->sequence; 363 mpt->timeouts++; 364 if (mpt_intr(mpt)) { 365 if (req->sequence != oseq) { 366 mpt_prt(mpt, "recovered from command timeout"); 367 splx(s); 368 return; 369 } 370 } 371 mpt_prt(mpt, 372 "timeout on request index = 0x%x, seq = 0x%08x", 373 req->index, req->sequence); 374 mpt_check_doorbell(mpt); 375 mpt_prt(mpt, "Status 0x%08x, Mask 0x%08x, Doorbell 0x%08x", 376 mpt_read(mpt, MPT_OFFSET_INTR_STATUS), 377 mpt_read(mpt, MPT_OFFSET_INTR_MASK), 378 mpt_read(mpt, MPT_OFFSET_DOORBELL)); 379 mpt_prt(mpt, "request state: %s", mpt_req_state(req->debug)); 380 if (mpt->verbose > 1) 381 mpt_print_scsi_io_request((MSG_SCSI_IO_REQUEST *)req->req_vbuf); 382 383 xs->error = XS_TIMEOUT; 384 scsipi_done(xs); 385 386 /* XXX WHAT IF THE IOC IS STILL USING IT?? */ 387 req->xfer = NULL; 388 mpt_free_request(mpt, req); 389 390 splx(s); 391 } 392 393 static void 394 mpt_done(mpt_softc_t *mpt, uint32_t reply) 395 { 396 struct scsipi_xfer *xs; 397 struct scsipi_periph *periph; 398 int index; 399 request_t *req; 400 MSG_REQUEST_HEADER *mpt_req; 401 MSG_SCSI_IO_REPLY *mpt_reply; 402 403 if (__predict_true((reply & MPT_CONTEXT_REPLY) == 0)) { 404 /* context reply (ok) */ 405 mpt_reply = NULL; 406 index = reply & MPT_CONTEXT_MASK; 407 } else { 408 /* address reply (error) */ 409 410 /* XXX BUS_DMASYNC_POSTREAD XXX */ 411 mpt_reply = MPT_REPLY_PTOV(mpt, reply); 412 if (mpt->verbose > 1) { 413 uint32_t *pReply = (uint32_t *) mpt_reply; 414 415 mpt_prt(mpt, "Address Reply (index %u):", 416 mpt_reply->MsgContext & 0xffff); 417 mpt_prt(mpt, "%08x %08x %08x %08x", 418 pReply[0], pReply[1], pReply[2], pReply[3]); 419 mpt_prt(mpt, "%08x %08x %08x %08x", 420 pReply[4], pReply[5], pReply[6], pReply[7]); 421 mpt_prt(mpt, "%08x %08x %08x %08x", 422 pReply[8], pReply[9], pReply[10], pReply[11]); 423 } 424 index = mpt_reply->MsgContext; 425 } 426 427 /* 428 * Address reply with MessageContext high bit set. 429 * This is most likely a notify message, so we try 430 * to process it, then free it. 431 */ 432 if (__predict_false((index & 0x80000000) != 0)) { 433 if (mpt_reply != NULL) 434 mpt_ctlop(mpt, mpt_reply, reply); 435 else 436 mpt_prt(mpt, "mpt_done: index 0x%x, NULL reply", index); 437 return; 438 } 439 440 /* Did we end up with a valid index into the table? */ 441 if (__predict_false(index < 0 || index >= MPT_MAX_REQUESTS(mpt))) { 442 mpt_prt(mpt, "mpt_done: invalid index (0x%x) in reply", index); 443 return; 444 } 445 446 req = &mpt->request_pool[index]; 447 448 /* Make sure memory hasn't been trashed. */ 449 if (__predict_false(req->index != index)) { 450 mpt_prt(mpt, "mpt_done: corrupted request_t (0x%x)", index); 451 return; 452 } 453 454 mpt_req = req->req_vbuf; 455 456 /* Short cut for task management replies; nothing more for us to do. */ 457 if (__predict_false(mpt_req->Function == MPI_FUNCTION_SCSI_TASK_MGMT)) { 458 if (mpt->verbose > 1) 459 mpt_prt(mpt, "mpt_done: TASK MGMT"); 460 goto done; 461 } 462 463 if (__predict_false(mpt_req->Function == MPI_FUNCTION_PORT_ENABLE)) 464 goto done; 465 466 /* 467 * At this point, it had better be a SCSI I/O command, but don't 468 * crash if it isn't. 469 */ 470 if (__predict_false(mpt_req->Function != 471 MPI_FUNCTION_SCSI_IO_REQUEST)) { 472 if (mpt->verbose > 1) 473 mpt_prt(mpt, "mpt_done: unknown Function 0x%x (0x%x)", 474 mpt_req->Function, index); 475 goto done; 476 } 477 478 /* Recover scsipi_xfer from the request structure. */ 479 xs = req->xfer; 480 481 /* Can't have a SCSI command without a scsipi_xfer. */ 482 if (__predict_false(xs == NULL)) { 483 mpt_prt(mpt, 484 "mpt_done: no scsipi_xfer, index = 0x%x, seq = 0x%08x", 485 req->index, req->sequence); 486 mpt_prt(mpt, "request state: %s", mpt_req_state(req->debug)); 487 mpt_prt(mpt, "mpt_request:"); 488 mpt_print_scsi_io_request((MSG_SCSI_IO_REQUEST *)req->req_vbuf); 489 490 if (mpt_reply != NULL) { 491 mpt_prt(mpt, "mpt_reply:"); 492 mpt_print_reply(mpt_reply); 493 } else { 494 mpt_prt(mpt, "context reply: 0x%08x", reply); 495 } 496 goto done; 497 } 498 499 callout_stop(&xs->xs_callout); 500 501 periph = xs->xs_periph; 502 503 /* 504 * If we were a data transfer, unload the map that described 505 * the data buffer. 506 */ 507 if (__predict_true(xs->datalen != 0)) { 508 bus_dmamap_sync(mpt->sc_dmat, req->dmap, 0, 509 req->dmap->dm_mapsize, 510 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_POSTREAD 511 : BUS_DMASYNC_POSTWRITE); 512 bus_dmamap_unload(mpt->sc_dmat, req->dmap); 513 } 514 515 if (__predict_true(mpt_reply == NULL)) { 516 /* 517 * Context reply; report that the command was 518 * successful! 519 * 520 * Also report the xfer mode, if necessary. 521 */ 522 if (__predict_false(mpt->mpt_report_xfer_mode != 0)) { 523 if ((mpt->mpt_report_xfer_mode & 524 (1 << periph->periph_target)) != 0) 525 mpt_get_xfer_mode(mpt, periph); 526 } 527 xs->error = XS_NOERROR; 528 xs->status = SCSI_OK; 529 xs->resid = 0; 530 scsipi_done(xs); 531 goto done; 532 } 533 534 xs->status = mpt_reply->SCSIStatus; 535 switch (mpt_reply->IOCStatus) { 536 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 537 xs->error = XS_DRIVER_STUFFUP; 538 break; 539 540 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 541 /* 542 * Yikes! Tagged queue full comes through this path! 543 * 544 * So we'll change it to a status error and anything 545 * that returns status should probably be a status 546 * error as well. 547 */ 548 xs->resid = xs->datalen - mpt_reply->TransferCount; 549 if (mpt_reply->SCSIState & 550 MPI_SCSI_STATE_NO_SCSI_STATUS) { 551 xs->error = XS_DRIVER_STUFFUP; 552 break; 553 } 554 /* FALLTHROUGH */ 555 case MPI_IOCSTATUS_SUCCESS: 556 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: 557 switch (xs->status) { 558 case SCSI_OK: 559 /* Report the xfer mode, if necessary. */ 560 if ((mpt->mpt_report_xfer_mode & 561 (1 << periph->periph_target)) != 0) 562 mpt_get_xfer_mode(mpt, periph); 563 xs->resid = 0; 564 break; 565 566 case SCSI_CHECK: 567 xs->error = XS_SENSE; 568 break; 569 570 case SCSI_BUSY: 571 case SCSI_QUEUE_FULL: 572 xs->error = XS_BUSY; 573 break; 574 575 default: 576 scsipi_printaddr(periph); 577 printf("invalid status code %d\n", xs->status); 578 xs->error = XS_DRIVER_STUFFUP; 579 break; 580 } 581 break; 582 583 case MPI_IOCSTATUS_BUSY: 584 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 585 xs->error = XS_RESOURCE_SHORTAGE; 586 break; 587 588 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 589 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 590 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 591 xs->error = XS_SELTIMEOUT; 592 break; 593 594 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 595 xs->error = XS_DRIVER_STUFFUP; 596 break; 597 598 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 599 /* XXX What should we do here? */ 600 break; 601 602 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 603 /* XXX */ 604 xs->error = XS_DRIVER_STUFFUP; 605 break; 606 607 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 608 /* XXX */ 609 xs->error = XS_DRIVER_STUFFUP; 610 break; 611 612 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 613 /* XXX This is a bus-reset */ 614 xs->error = XS_DRIVER_STUFFUP; 615 break; 616 617 default: 618 /* XXX unrecognized HBA error */ 619 xs->error = XS_DRIVER_STUFFUP; 620 break; 621 } 622 623 if (mpt_reply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) { 624 memcpy(&xs->sense.scsi_sense, req->sense_vbuf, 625 sizeof(xs->sense.scsi_sense)); 626 } else if (mpt_reply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { 627 /* 628 * This will cause the scsipi layer to issue 629 * a REQUEST SENSE. 630 */ 631 if (xs->status == SCSI_CHECK) 632 xs->error = XS_BUSY; 633 } 634 635 scsipi_done(xs); 636 done: 637 /* If IOC done with this requeset, free it up. */ 638 if (mpt_reply == NULL || (mpt_reply->MsgFlags & 0x80) == 0) 639 mpt_free_request(mpt, req); 640 641 /* If address reply, give the buffer back to the IOC. */ 642 if (mpt_reply != NULL) 643 mpt_free_reply(mpt, (reply << 1)); 644 } 645 646 static void 647 mpt_run_xfer(mpt_softc_t *mpt, struct scsipi_xfer *xs) 648 { 649 struct scsipi_periph *periph = xs->xs_periph; 650 request_t *req; 651 MSG_SCSI_IO_REQUEST *mpt_req; 652 int error, s; 653 654 s = splbio(); 655 req = mpt_get_request(mpt); 656 if (__predict_false(req == NULL)) { 657 /* This should happen very infrequently. */ 658 xs->error = XS_RESOURCE_SHORTAGE; 659 scsipi_done(xs); 660 splx(s); 661 return; 662 } 663 splx(s); 664 665 /* Link the req and the scsipi_xfer. */ 666 req->xfer = xs; 667 668 /* Now we build the command for the IOC */ 669 mpt_req = req->req_vbuf; 670 memset(mpt_req, 0, sizeof(*mpt_req)); 671 672 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 673 mpt_req->Bus = mpt->bus; 674 675 mpt_req->SenseBufferLength = 676 (sizeof(xs->sense.scsi_sense) < MPT_SENSE_SIZE) ? 677 sizeof(xs->sense.scsi_sense) : MPT_SENSE_SIZE; 678 679 /* 680 * We use the message context to find the request structure when 681 * we get the command completion interrupt from the IOC. 682 */ 683 mpt_req->MsgContext = req->index; 684 685 /* Which physical device to do the I/O on. */ 686 mpt_req->TargetID = periph->periph_target; 687 mpt_req->LUN[1] = periph->periph_lun; 688 689 /* Set the direction of the transfer. */ 690 if (xs->xs_control & XS_CTL_DATA_IN) 691 mpt_req->Control = MPI_SCSIIO_CONTROL_READ; 692 else if (xs->xs_control & XS_CTL_DATA_OUT) 693 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE; 694 else 695 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER; 696 697 /* Set the queue behavior. */ 698 if (__predict_true(mpt->is_fc || 699 (mpt->mpt_tag_enable & 700 (1 << periph->periph_target)))) { 701 switch (XS_CTL_TAGTYPE(xs)) { 702 case XS_CTL_HEAD_TAG: 703 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ; 704 break; 705 706 #if 0 /* XXX */ 707 case XS_CTL_ACA_TAG: 708 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ; 709 break; 710 #endif 711 712 case XS_CTL_ORDERED_TAG: 713 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ; 714 break; 715 716 case XS_CTL_SIMPLE_TAG: 717 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 718 break; 719 720 default: 721 if (mpt->is_fc) 722 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 723 else 724 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 725 break; 726 } 727 } else 728 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 729 730 if (__predict_false(mpt->is_fc == 0 && 731 (mpt->mpt_disc_enable & 732 (1 << periph->periph_target)) == 0)) 733 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT; 734 735 /* Copy the SCSI command block into place. */ 736 memcpy(mpt_req->CDB, xs->cmd, xs->cmdlen); 737 738 mpt_req->CDBLength = xs->cmdlen; 739 mpt_req->DataLength = xs->datalen; 740 mpt_req->SenseBufferLowAddr = req->sense_pbuf; 741 742 /* 743 * Map the DMA transfer. 744 */ 745 if (xs->datalen) { 746 SGE_SIMPLE32 *se; 747 748 error = bus_dmamap_load(mpt->sc_dmat, req->dmap, xs->data, 749 xs->datalen, NULL, 750 ((xs->xs_control & XS_CTL_NOSLEEP) ? BUS_DMA_NOWAIT 751 : BUS_DMA_WAITOK) | 752 BUS_DMA_STREAMING | 753 ((xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMA_READ 754 : BUS_DMA_WRITE)); 755 switch (error) { 756 case 0: 757 break; 758 759 case ENOMEM: 760 case EAGAIN: 761 xs->error = XS_RESOURCE_SHORTAGE; 762 goto out_bad; 763 764 default: 765 xs->error = XS_DRIVER_STUFFUP; 766 mpt_prt(mpt, "error %d loading DMA map", error); 767 out_bad: 768 s = splbio(); 769 mpt_free_request(mpt, req); 770 scsipi_done(xs); 771 splx(s); 772 return; 773 } 774 775 if (req->dmap->dm_nsegs > MPT_NSGL_FIRST(mpt)) { 776 int seg, i, nleft = req->dmap->dm_nsegs; 777 uint32_t flags; 778 SGE_CHAIN32 *ce; 779 780 seg = 0; 781 782 mpt_req->DataLength = xs->datalen; 783 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 784 if (xs->xs_control & XS_CTL_DATA_OUT) 785 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 786 787 se = (SGE_SIMPLE32 *) &mpt_req->SGL; 788 for (i = 0; i < MPT_NSGL_FIRST(mpt) - 1; 789 i++, se++, seg++) { 790 uint32_t tf; 791 792 memset(se, 0, sizeof(*se)); 793 se->Address = req->dmap->dm_segs[seg].ds_addr; 794 MPI_pSGE_SET_LENGTH(se, 795 req->dmap->dm_segs[seg].ds_len); 796 tf = flags; 797 if (i == MPT_NSGL_FIRST(mpt) - 2) 798 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 799 MPI_pSGE_SET_FLAGS(se, tf); 800 nleft--; 801 } 802 803 /* 804 * Tell the IOC where to find the first chain element. 805 */ 806 mpt_req->ChainOffset = 807 ((char *)se - (char *)mpt_req) >> 2; 808 809 /* 810 * Until we're finished with all segments... 811 */ 812 while (nleft) { 813 int ntodo; 814 815 /* 816 * Construct the chain element that points to 817 * the next segment. 818 */ 819 ce = (SGE_CHAIN32 *) se++; 820 if (nleft > MPT_NSGL(mpt)) { 821 ntodo = MPT_NSGL(mpt) - 1; 822 ce->NextChainOffset = (MPT_RQSL(mpt) - 823 sizeof(SGE_SIMPLE32)) >> 2; 824 } else { 825 ntodo = nleft; 826 ce->NextChainOffset = 0; 827 } 828 ce->Length = ntodo * sizeof(SGE_SIMPLE32); 829 ce->Address = req->req_pbuf + 830 ((char *)se - (char *)mpt_req); 831 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 832 for (i = 0; i < ntodo; i++, se++, seg++) { 833 uint32_t tf; 834 835 memset(se, 0, sizeof(*se)); 836 se->Address = 837 req->dmap->dm_segs[seg].ds_addr; 838 MPI_pSGE_SET_LENGTH(se, 839 req->dmap->dm_segs[seg].ds_len); 840 tf = flags; 841 if (i == ntodo - 1) { 842 tf |= 843 MPI_SGE_FLAGS_LAST_ELEMENT; 844 if (ce->NextChainOffset == 0) { 845 tf |= 846 MPI_SGE_FLAGS_END_OF_LIST | 847 MPI_SGE_FLAGS_END_OF_BUFFER; 848 } 849 } 850 MPI_pSGE_SET_FLAGS(se, tf); 851 nleft--; 852 } 853 } 854 bus_dmamap_sync(mpt->sc_dmat, req->dmap, 0, 855 req->dmap->dm_mapsize, 856 (xs->xs_control & XS_CTL_DATA_IN) ? 857 BUS_DMASYNC_PREREAD 858 : BUS_DMASYNC_PREWRITE); 859 } else { 860 int i; 861 uint32_t flags; 862 863 mpt_req->DataLength = xs->datalen; 864 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 865 if (xs->xs_control & XS_CTL_DATA_OUT) 866 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 867 868 /* Copy the segments into our SG list. */ 869 se = (SGE_SIMPLE32 *) &mpt_req->SGL; 870 for (i = 0; i < req->dmap->dm_nsegs; 871 i++, se++) { 872 uint32_t tf; 873 874 memset(se, 0, sizeof(*se)); 875 se->Address = req->dmap->dm_segs[i].ds_addr; 876 MPI_pSGE_SET_LENGTH(se, 877 req->dmap->dm_segs[i].ds_len); 878 tf = flags; 879 if (i == req->dmap->dm_nsegs - 1) { 880 tf |= 881 MPI_SGE_FLAGS_LAST_ELEMENT | 882 MPI_SGE_FLAGS_END_OF_BUFFER | 883 MPI_SGE_FLAGS_END_OF_LIST; 884 } 885 MPI_pSGE_SET_FLAGS(se, tf); 886 } 887 bus_dmamap_sync(mpt->sc_dmat, req->dmap, 0, 888 req->dmap->dm_mapsize, 889 (xs->xs_control & XS_CTL_DATA_IN) ? 890 BUS_DMASYNC_PREREAD 891 : BUS_DMASYNC_PREWRITE); 892 } 893 } else { 894 /* 895 * No data to transfer; just make a single simple SGL 896 * with zero length. 897 */ 898 SGE_SIMPLE32 *se = (SGE_SIMPLE32 *) &mpt_req->SGL; 899 memset(se, 0, sizeof(*se)); 900 MPI_pSGE_SET_FLAGS(se, 901 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 902 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 903 } 904 905 if (mpt->verbose > 1) 906 mpt_print_scsi_io_request(mpt_req); 907 908 s = splbio(); 909 if (__predict_true((xs->xs_control & XS_CTL_POLL) == 0)) 910 callout_reset(&xs->xs_callout, 911 mstohz(xs->timeout), mpt_timeout, req); 912 mpt_send_cmd(mpt, req); 913 splx(s); 914 915 if (__predict_true((xs->xs_control & XS_CTL_POLL) == 0)) 916 return; 917 918 /* 919 * If we can't use interrupts, poll on completion. 920 */ 921 if (mpt_poll(mpt, xs, xs->timeout)) { 922 mpt_timeout(req); 923 if (mpt_poll(mpt, xs, xs->timeout)) 924 mpt_timeout(req); 925 } 926 } 927 928 static void 929 mpt_set_xfer_mode(mpt_softc_t *mpt, struct scsipi_xfer_mode *xm) 930 { 931 fCONFIG_PAGE_SCSI_DEVICE_1 tmp; 932 933 if (mpt->is_fc) { 934 /* 935 * SCSI transport settings don't make any sense for 936 * Fibre Channel; silently ignore the request. 937 */ 938 return; 939 } 940 941 /* 942 * Always allow disconnect; we don't have a way to disable 943 * it right now, in any case. 944 */ 945 mpt->mpt_disc_enable |= (1 << xm->xm_target); 946 947 if (xm->xm_mode & PERIPH_CAP_TQING) 948 mpt->mpt_tag_enable |= (1 << xm->xm_target); 949 else 950 mpt->mpt_tag_enable &= ~(1 << xm->xm_target); 951 952 tmp = mpt->mpt_dev_page1[xm->xm_target]; 953 954 /* 955 * Set the wide/narrow parameter for the target. 956 */ 957 if (xm->xm_mode & PERIPH_CAP_WIDE16) 958 tmp.RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE; 959 else 960 tmp.RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE; 961 962 /* 963 * Set the synchronous parameters for the target. 964 * 965 * XXX If we request sync transfers, we just go ahead and 966 * XXX request the maximum available. We need finer control 967 * XXX in order to implement Domain Validation. 968 */ 969 tmp.RequestedParameters &= ~(MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK | 970 MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK | 971 MPI_SCSIDEVPAGE1_RP_DT | MPI_SCSIDEVPAGE1_RP_QAS | 972 MPI_SCSIDEVPAGE1_RP_IU); 973 if (xm->xm_mode & PERIPH_CAP_SYNC) { 974 int factor, offset, np; 975 976 factor = (mpt->mpt_port_page0.Capabilities >> 8) & 0xff; 977 offset = (mpt->mpt_port_page0.Capabilities >> 16) & 0xff; 978 np = 0; 979 if (factor < 0x9) { 980 /* Ultra320 */ 981 np |= MPI_SCSIDEVPAGE1_RP_QAS | MPI_SCSIDEVPAGE1_RP_IU; 982 } 983 if (factor < 0xa) { 984 /* at least Ultra160 */ 985 np |= MPI_SCSIDEVPAGE1_RP_DT; 986 } 987 np |= (factor << 8) | (offset << 16); 988 tmp.RequestedParameters |= np; 989 } 990 991 if (mpt_write_cfg_page(mpt, xm->xm_target, &tmp.Header)) { 992 mpt_prt(mpt, "unable to write Device Page 1"); 993 return; 994 } 995 996 if (mpt_read_cfg_page(mpt, xm->xm_target, &tmp.Header)) { 997 mpt_prt(mpt, "unable to read back Device Page 1"); 998 return; 999 } 1000 1001 mpt->mpt_dev_page1[xm->xm_target] = tmp; 1002 if (mpt->verbose > 1) { 1003 mpt_prt(mpt, 1004 "SPI Target %d Page 1: RequestedParameters %x Config %x", 1005 xm->xm_target, 1006 mpt->mpt_dev_page1[xm->xm_target].RequestedParameters, 1007 mpt->mpt_dev_page1[xm->xm_target].Configuration); 1008 } 1009 1010 /* 1011 * Make a note that we should perform an async callback at the 1012 * end of the next successful command completion to report the 1013 * negotiated transfer mode. 1014 */ 1015 mpt->mpt_report_xfer_mode |= (1 << xm->xm_target); 1016 } 1017 1018 static void 1019 mpt_get_xfer_mode(mpt_softc_t *mpt, struct scsipi_periph *periph) 1020 { 1021 fCONFIG_PAGE_SCSI_DEVICE_0 tmp; 1022 struct scsipi_xfer_mode xm; 1023 int period, offset; 1024 1025 tmp = mpt->mpt_dev_page0[periph->periph_target]; 1026 if (mpt_read_cfg_page(mpt, periph->periph_target, &tmp.Header)) { 1027 mpt_prt(mpt, "unable to read Device Page 0"); 1028 return; 1029 } 1030 1031 if (mpt->verbose > 1) { 1032 mpt_prt(mpt, 1033 "SPI Tgt %d Page 0: NParms %x Information %x", 1034 periph->periph_target, 1035 tmp.NegotiatedParameters, tmp.Information); 1036 } 1037 1038 xm.xm_target = periph->periph_target; 1039 xm.xm_mode = 0; 1040 1041 if (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) 1042 xm.xm_mode |= PERIPH_CAP_WIDE16; 1043 1044 period = (tmp.NegotiatedParameters >> 8) & 0xff; 1045 offset = (tmp.NegotiatedParameters >> 16) & 0xff; 1046 if (offset) { 1047 xm.xm_period = period; 1048 xm.xm_offset = offset; 1049 xm.xm_mode |= PERIPH_CAP_SYNC; 1050 } 1051 1052 /* 1053 * Tagged queueing is all controlled by us; there is no 1054 * other setting to query. 1055 */ 1056 if (mpt->mpt_tag_enable & (1 << periph->periph_target)) 1057 xm.xm_mode |= PERIPH_CAP_TQING; 1058 1059 /* 1060 * We're going to deliver the async event, so clear the marker. 1061 */ 1062 mpt->mpt_report_xfer_mode &= ~(1 << periph->periph_target); 1063 1064 scsipi_async_event(&mpt->sc_channel, ASYNC_EVENT_XFER_MODE, &xm); 1065 } 1066 1067 static void 1068 mpt_ctlop(mpt_softc_t *mpt, void *vmsg, uint32_t reply) 1069 { 1070 MSG_DEFAULT_REPLY *dmsg = vmsg; 1071 1072 switch (dmsg->Function) { 1073 case MPI_FUNCTION_EVENT_NOTIFICATION: 1074 mpt_event_notify_reply(mpt, vmsg); 1075 mpt_free_reply(mpt, (reply << 1)); 1076 break; 1077 1078 case MPI_FUNCTION_EVENT_ACK: 1079 mpt_free_reply(mpt, (reply << 1)); 1080 break; 1081 1082 case MPI_FUNCTION_PORT_ENABLE: 1083 { 1084 MSG_PORT_ENABLE_REPLY *msg = vmsg; 1085 int index = msg->MsgContext & ~0x80000000; 1086 if (mpt->verbose > 1) 1087 mpt_prt(mpt, "enable port reply index %d", index); 1088 if (index >= 0 && index < MPT_MAX_REQUESTS(mpt)) { 1089 request_t *req = &mpt->request_pool[index]; 1090 req->debug = REQ_DONE; 1091 } 1092 mpt_free_reply(mpt, (reply << 1)); 1093 break; 1094 } 1095 1096 case MPI_FUNCTION_CONFIG: 1097 { 1098 MSG_CONFIG_REPLY *msg = vmsg; 1099 int index = msg->MsgContext & ~0x80000000; 1100 if (index >= 0 && index < MPT_MAX_REQUESTS(mpt)) { 1101 request_t *req = &mpt->request_pool[index]; 1102 req->debug = REQ_DONE; 1103 req->sequence = reply; 1104 } else 1105 mpt_free_reply(mpt, (reply << 1)); 1106 break; 1107 } 1108 1109 default: 1110 mpt_prt(mpt, "unknown ctlop: 0x%x", dmsg->Function); 1111 } 1112 } 1113 1114 static void 1115 mpt_event_notify_reply(mpt_softc_t *mpt, MSG_EVENT_NOTIFY_REPLY *msg) 1116 { 1117 1118 switch (msg->Event) { 1119 case MPI_EVENT_LOG_DATA: 1120 { 1121 int i; 1122 1123 /* Some error occurrerd that the Fusion wants logged. */ 1124 mpt_prt(mpt, "EvtLogData: IOCLogInfo: 0x%08x", msg->IOCLogInfo); 1125 mpt_prt(mpt, "EvtLogData: Event Data:"); 1126 for (i = 0; i < msg->EventDataLength; i++) { 1127 if ((i % 4) == 0) 1128 printf("%s:\t", mpt->sc_dev.dv_xname); 1129 printf("0x%08x%c", msg->Data[i], 1130 ((i % 4) == 3) ? '\n' : ' '); 1131 } 1132 if ((i % 4) != 0) 1133 printf("\n"); 1134 break; 1135 } 1136 1137 case MPI_EVENT_UNIT_ATTENTION: 1138 mpt_prt(mpt, "Unit Attn: Bus 0x%02x Target 0x%02x", 1139 (msg->Data[0] >> 8) & 0xff, msg->Data[0] & 0xff); 1140 break; 1141 1142 case MPI_EVENT_IOC_BUS_RESET: 1143 /* We generated a bus reset. */ 1144 mpt_prt(mpt, "IOC Bus Reset Port %d", 1145 (msg->Data[0] >> 8) & 0xff); 1146 break; 1147 1148 case MPI_EVENT_EXT_BUS_RESET: 1149 /* Someone else generated a bus reset. */ 1150 mpt_prt(mpt, "External Bus Reset"); 1151 /* 1152 * These replies don't return EventData like the MPI 1153 * spec says they do. 1154 */ 1155 /* XXX Send an async event? */ 1156 break; 1157 1158 case MPI_EVENT_RESCAN: 1159 /* 1160 * In general, thise means a device has been added 1161 * to the loop. 1162 */ 1163 mpt_prt(mpt, "Rescan Port %d", (msg->Data[0] >> 8) & 0xff); 1164 /* XXX Send an async event? */ 1165 break; 1166 1167 case MPI_EVENT_LINK_STATUS_CHANGE: 1168 mpt_prt(mpt, "Port %d: Link state %s", 1169 (msg->Data[1] >> 8) & 0xff, 1170 (msg->Data[0] & 0xff) == 0 ? "Failed" : "Active"); 1171 break; 1172 1173 case MPI_EVENT_LOOP_STATE_CHANGE: 1174 switch ((msg->Data[0] >> 16) & 0xff) { 1175 case 0x01: 1176 mpt_prt(mpt, 1177 "Port %d: FC Link Event: LIP(%02x,%02x) " 1178 "(Loop Initialization)", 1179 (msg->Data[1] >> 8) & 0xff, 1180 (msg->Data[0] >> 8) & 0xff, 1181 (msg->Data[0] ) & 0xff); 1182 switch ((msg->Data[0] >> 8) & 0xff) { 1183 case 0xf7: 1184 if ((msg->Data[0] & 0xff) == 0xf7) 1185 mpt_prt(mpt, "\tDevice needs AL_PA"); 1186 else 1187 mpt_prt(mpt, "\tDevice %02x doesn't " 1188 "like FC performance", 1189 msg->Data[0] & 0xff); 1190 break; 1191 1192 case 0xf8: 1193 if ((msg->Data[0] & 0xff) == 0xf7) 1194 mpt_prt(mpt, "\tDevice detected loop " 1195 "failure before acquiring AL_PA"); 1196 else 1197 mpt_prt(mpt, "\tDevice %02x detected " 1198 "loop failure", 1199 msg->Data[0] & 0xff); 1200 break; 1201 1202 default: 1203 mpt_prt(mpt, "\tDevice %02x requests that " 1204 "device %02x reset itself", 1205 msg->Data[0] & 0xff, 1206 (msg->Data[0] >> 8) & 0xff); 1207 break; 1208 } 1209 break; 1210 1211 case 0x02: 1212 mpt_prt(mpt, "Port %d: FC Link Event: LPE(%02x,%02x) " 1213 "(Loop Port Enable)", 1214 (msg->Data[1] >> 8) & 0xff, 1215 (msg->Data[0] >> 8) & 0xff, 1216 (msg->Data[0] ) & 0xff); 1217 break; 1218 1219 case 0x03: 1220 mpt_prt(mpt, "Port %d: FC Link Event: LPB(%02x,%02x) " 1221 "(Loop Port Bypass)", 1222 (msg->Data[1] >> 8) & 0xff, 1223 (msg->Data[0] >> 8) & 0xff, 1224 (msg->Data[0] ) & 0xff); 1225 break; 1226 1227 default: 1228 mpt_prt(mpt, "Port %d: FC Link Event: " 1229 "Unknown event (%02x %02x %02x)", 1230 (msg->Data[1] >> 8) & 0xff, 1231 (msg->Data[0] >> 16) & 0xff, 1232 (msg->Data[0] >> 8) & 0xff, 1233 (msg->Data[0] ) & 0xff); 1234 break; 1235 } 1236 break; 1237 1238 case MPI_EVENT_LOGOUT: 1239 mpt_prt(mpt, "Port %d: FC Logout: N_PortID: %02x", 1240 (msg->Data[1] >> 8) & 0xff, msg->Data[0]); 1241 break; 1242 1243 case MPI_EVENT_EVENT_CHANGE: 1244 /* 1245 * This is just an acknowledgement of our 1246 * mpt_send_event_request(). 1247 */ 1248 break; 1249 1250 default: 1251 mpt_prt(mpt, "Unknown async event: 0x%x", msg->Event); 1252 break; 1253 } 1254 1255 if (msg->AckRequired) { 1256 MSG_EVENT_ACK *ackp; 1257 request_t *req; 1258 1259 if ((req = mpt_get_request(mpt)) == NULL) { 1260 /* XXX XXX XXX XXXJRT */ 1261 panic("mpt_event_notify_reply: unable to allocate " 1262 "request structure"); 1263 } 1264 1265 ackp = (MSG_EVENT_ACK *) req->req_vbuf; 1266 memset(ackp, 0, sizeof(*ackp)); 1267 ackp->Function = MPI_FUNCTION_EVENT_ACK; 1268 ackp->Event = msg->Event; 1269 ackp->EventContext = msg->EventContext; 1270 ackp->MsgContext = req->index | 0x80000000; 1271 mpt_check_doorbell(mpt); 1272 mpt_send_cmd(mpt, req); 1273 } 1274 } 1275 1276 /* XXXJRT mpt_bus_reset() */ 1277 1278 /***************************************************************************** 1279 * SCSI interface routines 1280 *****************************************************************************/ 1281 1282 static void 1283 mpt_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 1284 void *arg) 1285 { 1286 struct scsipi_adapter *adapt = chan->chan_adapter; 1287 mpt_softc_t *mpt = (void *) adapt->adapt_dev; 1288 1289 switch (req) { 1290 case ADAPTER_REQ_RUN_XFER: 1291 mpt_run_xfer(mpt, (struct scsipi_xfer *) arg); 1292 return; 1293 1294 case ADAPTER_REQ_GROW_RESOURCES: 1295 /* Not supported. */ 1296 return; 1297 1298 case ADAPTER_REQ_SET_XFER_MODE: 1299 mpt_set_xfer_mode(mpt, (struct scsipi_xfer_mode *) arg); 1300 return; 1301 } 1302 } 1303 1304 static void 1305 mpt_minphys(struct buf *bp) 1306 { 1307 1308 /* 1309 * Subtract one from the SGL limit, since we need an extra one to handle 1310 * an non-page-aligned transfer. 1311 */ 1312 #define MPT_MAX_XFER ((MPT_SGL_MAX - 1) * PAGE_SIZE) 1313 1314 if (bp->b_bcount > MPT_MAX_XFER) 1315 bp->b_bcount = MPT_MAX_XFER; 1316 minphys(bp); 1317 } 1318
Indexes created Mon Sep 22 21:09:42 GMT 2025