mpt_netbsd.c revision 1.4
1 /* $NetBSD: mpt_netbsd.c,v 1.4 2003/04/16 23:17:30 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, 0); 208 if (error) { 209 aprint_error("%s: unable to map request area, error = %d\n", 210 mpt->sc_dev.dv_xname, error); 211 goto fail_5; 212 } 213 214 error = bus_dmamap_create(mpt->sc_dmat, MPT_REQ_MEM_SIZE(mpt), 1, 215 MPT_REQ_MEM_SIZE(mpt), 0, 0, &mpt->request_dmap); 216 if (error) { 217 aprint_error("%s: unable to create request DMA map, " 218 "error = %d\n", mpt->sc_dev.dv_xname, error); 219 goto fail_6; 220 } 221 222 error = bus_dmamap_load(mpt->sc_dmat, mpt->request_dmap, mpt->request, 223 MPT_REQ_MEM_SIZE(mpt), NULL, 0); 224 if (error) { 225 aprint_error("%s: unable to load request DMA map, error = %d\n", 226 mpt->sc_dev.dv_xname, error); 227 goto fail_7; 228 } 229 mpt->request_phys = mpt->request_dmap->dm_segs[0].ds_addr; 230 231 pptr = mpt->request_phys; 232 vptr = (caddr_t) mpt->request; 233 end = pptr + MPT_REQ_MEM_SIZE(mpt); 234 235 for (i = 0; pptr < end; i++) { 236 request_t *req = &mpt->request_pool[i]; 237 req->index = i; 238 239 /* Store location of Request Data */ 240 req->req_pbuf = pptr; 241 req->req_vbuf = vptr; 242 243 pptr += MPT_REQUEST_AREA; 244 vptr += MPT_REQUEST_AREA; 245 246 req->sense_pbuf = (pptr - MPT_SENSE_SIZE); 247 req->sense_vbuf = (vptr - MPT_SENSE_SIZE); 248 249 error = bus_dmamap_create(mpt->sc_dmat, MAXBSIZE, 250 MPT_SGL_MAX, MAXBSIZE, 0, 0, &req->dmap); 251 if (error) { 252 aprint_error("%s: unable to create req %d DMA map, " 253 "error = %d\n", mpt->sc_dev.dv_xname, i, error); 254 goto fail_8; 255 } 256 } 257 258 return (0); 259 260 fail_8: 261 for (--i; i >= 0; i--) { 262 request_t *req = &mpt->request_pool[i]; 263 if (req->dmap != NULL) 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_SYNC_REQ(mpt, req, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 455 mpt_req = req->req_vbuf; 456 457 /* Short cut for task management replies; nothing more for us to do. */ 458 if (__predict_false(mpt_req->Function == MPI_FUNCTION_SCSI_TASK_MGMT)) { 459 if (mpt->verbose > 1) 460 mpt_prt(mpt, "mpt_done: TASK MGMT"); 461 goto done; 462 } 463 464 if (__predict_false(mpt_req->Function == MPI_FUNCTION_PORT_ENABLE)) 465 goto done; 466 467 /* 468 * At this point, it had better be a SCSI I/O command, but don't 469 * crash if it isn't. 470 */ 471 if (__predict_false(mpt_req->Function != 472 MPI_FUNCTION_SCSI_IO_REQUEST)) { 473 if (mpt->verbose > 1) 474 mpt_prt(mpt, "mpt_done: unknown Function 0x%x (0x%x)", 475 mpt_req->Function, index); 476 goto done; 477 } 478 479 /* Recover scsipi_xfer from the request structure. */ 480 xs = req->xfer; 481 482 /* Can't have a SCSI command without a scsipi_xfer. */ 483 if (__predict_false(xs == NULL)) { 484 mpt_prt(mpt, 485 "mpt_done: no scsipi_xfer, index = 0x%x, seq = 0x%08x", 486 req->index, req->sequence); 487 mpt_prt(mpt, "request state: %s", mpt_req_state(req->debug)); 488 mpt_prt(mpt, "mpt_request:"); 489 mpt_print_scsi_io_request((MSG_SCSI_IO_REQUEST *)req->req_vbuf); 490 491 if (mpt_reply != NULL) { 492 mpt_prt(mpt, "mpt_reply:"); 493 mpt_print_reply(mpt_reply); 494 } else { 495 mpt_prt(mpt, "context reply: 0x%08x", reply); 496 } 497 goto done; 498 } 499 500 callout_stop(&xs->xs_callout); 501 502 periph = xs->xs_periph; 503 504 /* 505 * If we were a data transfer, unload the map that described 506 * the data buffer. 507 */ 508 if (__predict_true(xs->datalen != 0)) { 509 bus_dmamap_sync(mpt->sc_dmat, req->dmap, 0, 510 req->dmap->dm_mapsize, 511 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_POSTREAD 512 : BUS_DMASYNC_POSTWRITE); 513 bus_dmamap_unload(mpt->sc_dmat, req->dmap); 514 } 515 516 if (__predict_true(mpt_reply == NULL)) { 517 /* 518 * Context reply; report that the command was 519 * successful! 520 * 521 * Also report the xfer mode, if necessary. 522 */ 523 if (__predict_false(mpt->mpt_report_xfer_mode != 0)) { 524 if ((mpt->mpt_report_xfer_mode & 525 (1 << periph->periph_target)) != 0) 526 mpt_get_xfer_mode(mpt, periph); 527 } 528 xs->error = XS_NOERROR; 529 xs->status = SCSI_OK; 530 xs->resid = 0; 531 scsipi_done(xs); 532 goto done; 533 } 534 535 xs->status = mpt_reply->SCSIStatus; 536 switch (mpt_reply->IOCStatus) { 537 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 538 xs->error = XS_DRIVER_STUFFUP; 539 break; 540 541 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 542 /* 543 * Yikes! Tagged queue full comes through this path! 544 * 545 * So we'll change it to a status error and anything 546 * that returns status should probably be a status 547 * error as well. 548 */ 549 xs->resid = xs->datalen - mpt_reply->TransferCount; 550 if (mpt_reply->SCSIState & 551 MPI_SCSI_STATE_NO_SCSI_STATUS) { 552 xs->error = XS_DRIVER_STUFFUP; 553 break; 554 } 555 /* FALLTHROUGH */ 556 case MPI_IOCSTATUS_SUCCESS: 557 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: 558 switch (xs->status) { 559 case SCSI_OK: 560 /* Report the xfer mode, if necessary. */ 561 if ((mpt->mpt_report_xfer_mode & 562 (1 << periph->periph_target)) != 0) 563 mpt_get_xfer_mode(mpt, periph); 564 xs->resid = 0; 565 break; 566 567 case SCSI_CHECK: 568 xs->error = XS_SENSE; 569 break; 570 571 case SCSI_BUSY: 572 case SCSI_QUEUE_FULL: 573 xs->error = XS_BUSY; 574 break; 575 576 default: 577 scsipi_printaddr(periph); 578 printf("invalid status code %d\n", xs->status); 579 xs->error = XS_DRIVER_STUFFUP; 580 break; 581 } 582 break; 583 584 case MPI_IOCSTATUS_BUSY: 585 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 586 xs->error = XS_RESOURCE_SHORTAGE; 587 break; 588 589 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 590 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 591 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 592 xs->error = XS_SELTIMEOUT; 593 break; 594 595 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 596 xs->error = XS_DRIVER_STUFFUP; 597 break; 598 599 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 600 /* XXX What should we do here? */ 601 break; 602 603 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 604 /* XXX */ 605 xs->error = XS_DRIVER_STUFFUP; 606 break; 607 608 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 609 /* XXX */ 610 xs->error = XS_DRIVER_STUFFUP; 611 break; 612 613 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 614 /* XXX This is a bus-reset */ 615 xs->error = XS_DRIVER_STUFFUP; 616 break; 617 618 default: 619 /* XXX unrecognized HBA error */ 620 xs->error = XS_DRIVER_STUFFUP; 621 break; 622 } 623 624 if (mpt_reply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) { 625 memcpy(&xs->sense.scsi_sense, req->sense_vbuf, 626 sizeof(xs->sense.scsi_sense)); 627 } else if (mpt_reply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { 628 /* 629 * This will cause the scsipi layer to issue 630 * a REQUEST SENSE. 631 */ 632 if (xs->status == SCSI_CHECK) 633 xs->error = XS_BUSY; 634 } 635 636 scsipi_done(xs); 637 done: 638 /* If IOC done with this requeset, free it up. */ 639 if (mpt_reply == NULL || (mpt_reply->MsgFlags & 0x80) == 0) 640 mpt_free_request(mpt, req); 641 642 /* If address reply, give the buffer back to the IOC. */ 643 if (mpt_reply != NULL) 644 mpt_free_reply(mpt, (reply << 1)); 645 } 646 647 static void 648 mpt_run_xfer(mpt_softc_t *mpt, struct scsipi_xfer *xs) 649 { 650 struct scsipi_periph *periph = xs->xs_periph; 651 request_t *req; 652 MSG_SCSI_IO_REQUEST *mpt_req; 653 int error, s; 654 655 s = splbio(); 656 req = mpt_get_request(mpt); 657 if (__predict_false(req == NULL)) { 658 /* This should happen very infrequently. */ 659 xs->error = XS_RESOURCE_SHORTAGE; 660 scsipi_done(xs); 661 splx(s); 662 return; 663 } 664 splx(s); 665 666 /* Link the req and the scsipi_xfer. */ 667 req->xfer = xs; 668 669 /* Now we build the command for the IOC */ 670 mpt_req = req->req_vbuf; 671 memset(mpt_req, 0, sizeof(*mpt_req)); 672 673 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 674 mpt_req->Bus = mpt->bus; 675 676 mpt_req->SenseBufferLength = 677 (sizeof(xs->sense.scsi_sense) < MPT_SENSE_SIZE) ? 678 sizeof(xs->sense.scsi_sense) : MPT_SENSE_SIZE; 679 680 /* 681 * We use the message context to find the request structure when 682 * we get the command completion interrupt from the IOC. 683 */ 684 mpt_req->MsgContext = req->index; 685 686 /* Which physical device to do the I/O on. */ 687 mpt_req->TargetID = periph->periph_target; 688 mpt_req->LUN[1] = periph->periph_lun; 689 690 /* Set the direction of the transfer. */ 691 if (xs->xs_control & XS_CTL_DATA_IN) 692 mpt_req->Control = MPI_SCSIIO_CONTROL_READ; 693 else if (xs->xs_control & XS_CTL_DATA_OUT) 694 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE; 695 else 696 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER; 697 698 /* Set the queue behavior. */ 699 if (__predict_true(mpt->is_fc || 700 (mpt->mpt_tag_enable & 701 (1 << periph->periph_target)))) { 702 switch (XS_CTL_TAGTYPE(xs)) { 703 case XS_CTL_HEAD_TAG: 704 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ; 705 break; 706 707 #if 0 /* XXX */ 708 case XS_CTL_ACA_TAG: 709 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ; 710 break; 711 #endif 712 713 case XS_CTL_ORDERED_TAG: 714 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ; 715 break; 716 717 case XS_CTL_SIMPLE_TAG: 718 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 719 break; 720 721 default: 722 if (mpt->is_fc) 723 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 724 else 725 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 726 break; 727 } 728 } else 729 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 730 731 if (__predict_false(mpt->is_fc == 0 && 732 (mpt->mpt_disc_enable & 733 (1 << periph->periph_target)) == 0)) 734 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT; 735 736 /* Copy the SCSI command block into place. */ 737 memcpy(mpt_req->CDB, xs->cmd, xs->cmdlen); 738 739 mpt_req->CDBLength = xs->cmdlen; 740 mpt_req->DataLength = xs->datalen; 741 mpt_req->SenseBufferLowAddr = req->sense_pbuf; 742 743 /* 744 * Map the DMA transfer. 745 */ 746 if (xs->datalen) { 747 SGE_SIMPLE32 *se; 748 749 error = bus_dmamap_load(mpt->sc_dmat, req->dmap, xs->data, 750 xs->datalen, NULL, 751 ((xs->xs_control & XS_CTL_NOSLEEP) ? BUS_DMA_NOWAIT 752 : BUS_DMA_WAITOK) | 753 BUS_DMA_STREAMING | 754 ((xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMA_READ 755 : BUS_DMA_WRITE)); 756 switch (error) { 757 case 0: 758 break; 759 760 case ENOMEM: 761 case EAGAIN: 762 xs->error = XS_RESOURCE_SHORTAGE; 763 goto out_bad; 764 765 default: 766 xs->error = XS_DRIVER_STUFFUP; 767 mpt_prt(mpt, "error %d loading DMA map", error); 768 out_bad: 769 s = splbio(); 770 mpt_free_request(mpt, req); 771 scsipi_done(xs); 772 splx(s); 773 return; 774 } 775 776 if (req->dmap->dm_nsegs > MPT_NSGL_FIRST(mpt)) { 777 int seg, i, nleft = req->dmap->dm_nsegs; 778 uint32_t flags; 779 SGE_CHAIN32 *ce; 780 781 seg = 0; 782 783 mpt_req->DataLength = xs->datalen; 784 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 785 if (xs->xs_control & XS_CTL_DATA_OUT) 786 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 787 788 se = (SGE_SIMPLE32 *) &mpt_req->SGL; 789 for (i = 0; i < MPT_NSGL_FIRST(mpt) - 1; 790 i++, se++, seg++) { 791 uint32_t tf; 792 793 memset(se, 0, sizeof(*se)); 794 se->Address = req->dmap->dm_segs[seg].ds_addr; 795 MPI_pSGE_SET_LENGTH(se, 796 req->dmap->dm_segs[seg].ds_len); 797 tf = flags; 798 if (i == MPT_NSGL_FIRST(mpt) - 2) 799 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 800 MPI_pSGE_SET_FLAGS(se, tf); 801 nleft--; 802 } 803 804 /* 805 * Tell the IOC where to find the first chain element. 806 */ 807 mpt_req->ChainOffset = 808 ((char *)se - (char *)mpt_req) >> 2; 809 810 /* 811 * Until we're finished with all segments... 812 */ 813 while (nleft) { 814 int ntodo; 815 816 /* 817 * Construct the chain element that points to 818 * the next segment. 819 */ 820 ce = (SGE_CHAIN32 *) se++; 821 if (nleft > MPT_NSGL(mpt)) { 822 ntodo = MPT_NSGL(mpt) - 1; 823 ce->NextChainOffset = (MPT_RQSL(mpt) - 824 sizeof(SGE_SIMPLE32)) >> 2; 825 } else { 826 ntodo = nleft; 827 ce->NextChainOffset = 0; 828 } 829 ce->Length = ntodo * sizeof(SGE_SIMPLE32); 830 ce->Address = req->req_pbuf + 831 ((char *)se - (char *)mpt_req); 832 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 833 for (i = 0; i < ntodo; i++, se++, seg++) { 834 uint32_t tf; 835 836 memset(se, 0, sizeof(*se)); 837 se->Address = 838 req->dmap->dm_segs[seg].ds_addr; 839 MPI_pSGE_SET_LENGTH(se, 840 req->dmap->dm_segs[seg].ds_len); 841 tf = flags; 842 if (i == ntodo - 1) { 843 tf |= 844 MPI_SGE_FLAGS_LAST_ELEMENT; 845 if (ce->NextChainOffset == 0) { 846 tf |= 847 MPI_SGE_FLAGS_END_OF_LIST | 848 MPI_SGE_FLAGS_END_OF_BUFFER; 849 } 850 } 851 MPI_pSGE_SET_FLAGS(se, tf); 852 nleft--; 853 } 854 } 855 bus_dmamap_sync(mpt->sc_dmat, req->dmap, 0, 856 req->dmap->dm_mapsize, 857 (xs->xs_control & XS_CTL_DATA_IN) ? 858 BUS_DMASYNC_PREREAD 859 : BUS_DMASYNC_PREWRITE); 860 } else { 861 int i; 862 uint32_t flags; 863 864 mpt_req->DataLength = xs->datalen; 865 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 866 if (xs->xs_control & XS_CTL_DATA_OUT) 867 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 868 869 /* Copy the segments into our SG list. */ 870 se = (SGE_SIMPLE32 *) &mpt_req->SGL; 871 for (i = 0; i < req->dmap->dm_nsegs; 872 i++, se++) { 873 uint32_t tf; 874 875 memset(se, 0, sizeof(*se)); 876 se->Address = req->dmap->dm_segs[i].ds_addr; 877 MPI_pSGE_SET_LENGTH(se, 878 req->dmap->dm_segs[i].ds_len); 879 tf = flags; 880 if (i == req->dmap->dm_nsegs - 1) { 881 tf |= 882 MPI_SGE_FLAGS_LAST_ELEMENT | 883 MPI_SGE_FLAGS_END_OF_BUFFER | 884 MPI_SGE_FLAGS_END_OF_LIST; 885 } 886 MPI_pSGE_SET_FLAGS(se, tf); 887 } 888 bus_dmamap_sync(mpt->sc_dmat, req->dmap, 0, 889 req->dmap->dm_mapsize, 890 (xs->xs_control & XS_CTL_DATA_IN) ? 891 BUS_DMASYNC_PREREAD 892 : BUS_DMASYNC_PREWRITE); 893 } 894 } else { 895 /* 896 * No data to transfer; just make a single simple SGL 897 * with zero length. 898 */ 899 SGE_SIMPLE32 *se = (SGE_SIMPLE32 *) &mpt_req->SGL; 900 memset(se, 0, sizeof(*se)); 901 MPI_pSGE_SET_FLAGS(se, 902 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 903 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 904 } 905 906 if (mpt->verbose > 1) 907 mpt_print_scsi_io_request(mpt_req); 908 909 s = splbio(); 910 if (__predict_true((xs->xs_control & XS_CTL_POLL) == 0)) 911 callout_reset(&xs->xs_callout, 912 mstohz(xs->timeout), mpt_timeout, req); 913 mpt_send_cmd(mpt, req); 914 splx(s); 915 916 if (__predict_true((xs->xs_control & XS_CTL_POLL) == 0)) 917 return; 918 919 /* 920 * If we can't use interrupts, poll on completion. 921 */ 922 if (mpt_poll(mpt, xs, xs->timeout)) 923 mpt_timeout(req); 924 } 925 926 static void 927 mpt_set_xfer_mode(mpt_softc_t *mpt, struct scsipi_xfer_mode *xm) 928 { 929 fCONFIG_PAGE_SCSI_DEVICE_1 tmp; 930 931 if (mpt->is_fc) { 932 /* 933 * SCSI transport settings don't make any sense for 934 * Fibre Channel; silently ignore the request. 935 */ 936 return; 937 } 938 939 /* 940 * Always allow disconnect; we don't have a way to disable 941 * it right now, in any case. 942 */ 943 mpt->mpt_disc_enable |= (1 << xm->xm_target); 944 945 if (xm->xm_mode & PERIPH_CAP_TQING) 946 mpt->mpt_tag_enable |= (1 << xm->xm_target); 947 else 948 mpt->mpt_tag_enable &= ~(1 << xm->xm_target); 949 950 tmp = mpt->mpt_dev_page1[xm->xm_target]; 951 952 /* 953 * Set the wide/narrow parameter for the target. 954 */ 955 if (xm->xm_mode & PERIPH_CAP_WIDE16) 956 tmp.RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE; 957 else 958 tmp.RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE; 959 960 /* 961 * Set the synchronous parameters for the target. 962 * 963 * XXX If we request sync transfers, we just go ahead and 964 * XXX request the maximum available. We need finer control 965 * XXX in order to implement Domain Validation. 966 */ 967 tmp.RequestedParameters &= ~(MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK | 968 MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK | 969 MPI_SCSIDEVPAGE1_RP_DT | MPI_SCSIDEVPAGE1_RP_QAS | 970 MPI_SCSIDEVPAGE1_RP_IU); 971 if (xm->xm_mode & PERIPH_CAP_SYNC) { 972 int factor, offset, np; 973 974 factor = (mpt->mpt_port_page0.Capabilities >> 8) & 0xff; 975 offset = (mpt->mpt_port_page0.Capabilities >> 16) & 0xff; 976 np = 0; 977 if (factor < 0x9) { 978 /* Ultra320 */ 979 np |= MPI_SCSIDEVPAGE1_RP_QAS | MPI_SCSIDEVPAGE1_RP_IU; 980 } 981 if (factor < 0xa) { 982 /* at least Ultra160 */ 983 np |= MPI_SCSIDEVPAGE1_RP_DT; 984 } 985 np |= (factor << 8) | (offset << 16); 986 tmp.RequestedParameters |= np; 987 } 988 989 if (mpt_write_cfg_page(mpt, xm->xm_target, &tmp.Header)) { 990 mpt_prt(mpt, "unable to write Device Page 1"); 991 return; 992 } 993 994 if (mpt_read_cfg_page(mpt, xm->xm_target, &tmp.Header)) { 995 mpt_prt(mpt, "unable to read back Device Page 1"); 996 return; 997 } 998 999 mpt->mpt_dev_page1[xm->xm_target] = tmp; 1000 if (mpt->verbose > 1) { 1001 mpt_prt(mpt, 1002 "SPI Target %d Page 1: RequestedParameters %x Config %x", 1003 xm->xm_target, 1004 mpt->mpt_dev_page1[xm->xm_target].RequestedParameters, 1005 mpt->mpt_dev_page1[xm->xm_target].Configuration); 1006 } 1007 1008 /* 1009 * Make a note that we should perform an async callback at the 1010 * end of the next successful command completion to report the 1011 * negotiated transfer mode. 1012 */ 1013 mpt->mpt_report_xfer_mode |= (1 << xm->xm_target); 1014 } 1015 1016 static void 1017 mpt_get_xfer_mode(mpt_softc_t *mpt, struct scsipi_periph *periph) 1018 { 1019 fCONFIG_PAGE_SCSI_DEVICE_0 tmp; 1020 struct scsipi_xfer_mode xm; 1021 int period, offset; 1022 1023 tmp = mpt->mpt_dev_page0[periph->periph_target]; 1024 if (mpt_read_cfg_page(mpt, periph->periph_target, &tmp.Header)) { 1025 mpt_prt(mpt, "unable to read Device Page 0"); 1026 return; 1027 } 1028 1029 if (mpt->verbose > 1) { 1030 mpt_prt(mpt, 1031 "SPI Tgt %d Page 0: NParms %x Information %x", 1032 periph->periph_target, 1033 tmp.NegotiatedParameters, tmp.Information); 1034 } 1035 1036 xm.xm_target = periph->periph_target; 1037 xm.xm_mode = 0; 1038 1039 if (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) 1040 xm.xm_mode |= PERIPH_CAP_WIDE16; 1041 1042 period = (tmp.NegotiatedParameters >> 8) & 0xff; 1043 offset = (tmp.NegotiatedParameters >> 16) & 0xff; 1044 if (offset) { 1045 xm.xm_period = period; 1046 xm.xm_offset = offset; 1047 xm.xm_mode |= PERIPH_CAP_SYNC; 1048 } 1049 1050 /* 1051 * Tagged queueing is all controlled by us; there is no 1052 * other setting to query. 1053 */ 1054 if (mpt->mpt_tag_enable & (1 << periph->periph_target)) 1055 xm.xm_mode |= PERIPH_CAP_TQING; 1056 1057 /* 1058 * We're going to deliver the async event, so clear the marker. 1059 */ 1060 mpt->mpt_report_xfer_mode &= ~(1 << periph->periph_target); 1061 1062 scsipi_async_event(&mpt->sc_channel, ASYNC_EVENT_XFER_MODE, &xm); 1063 } 1064 1065 static void 1066 mpt_ctlop(mpt_softc_t *mpt, void *vmsg, uint32_t reply) 1067 { 1068 MSG_DEFAULT_REPLY *dmsg = vmsg; 1069 1070 switch (dmsg->Function) { 1071 case MPI_FUNCTION_EVENT_NOTIFICATION: 1072 mpt_event_notify_reply(mpt, vmsg); 1073 mpt_free_reply(mpt, (reply << 1)); 1074 break; 1075 1076 case MPI_FUNCTION_EVENT_ACK: 1077 mpt_free_reply(mpt, (reply << 1)); 1078 break; 1079 1080 case MPI_FUNCTION_PORT_ENABLE: 1081 { 1082 MSG_PORT_ENABLE_REPLY *msg = vmsg; 1083 int index = msg->MsgContext & ~0x80000000; 1084 if (mpt->verbose > 1) 1085 mpt_prt(mpt, "enable port reply index %d", index); 1086 if (index >= 0 && index < MPT_MAX_REQUESTS(mpt)) { 1087 request_t *req = &mpt->request_pool[index]; 1088 req->debug = REQ_DONE; 1089 } 1090 mpt_free_reply(mpt, (reply << 1)); 1091 break; 1092 } 1093 1094 case MPI_FUNCTION_CONFIG: 1095 { 1096 MSG_CONFIG_REPLY *msg = vmsg; 1097 int index = msg->MsgContext & ~0x80000000; 1098 if (index >= 0 && index < MPT_MAX_REQUESTS(mpt)) { 1099 request_t *req = &mpt->request_pool[index]; 1100 req->debug = REQ_DONE; 1101 req->sequence = reply; 1102 } else 1103 mpt_free_reply(mpt, (reply << 1)); 1104 break; 1105 } 1106 1107 default: 1108 mpt_prt(mpt, "unknown ctlop: 0x%x", dmsg->Function); 1109 } 1110 } 1111 1112 static void 1113 mpt_event_notify_reply(mpt_softc_t *mpt, MSG_EVENT_NOTIFY_REPLY *msg) 1114 { 1115 1116 switch (msg->Event) { 1117 case MPI_EVENT_LOG_DATA: 1118 { 1119 int i; 1120 1121 /* Some error occurrerd that the Fusion wants logged. */ 1122 mpt_prt(mpt, "EvtLogData: IOCLogInfo: 0x%08x", msg->IOCLogInfo); 1123 mpt_prt(mpt, "EvtLogData: Event Data:"); 1124 for (i = 0; i < msg->EventDataLength; i++) { 1125 if ((i % 4) == 0) 1126 printf("%s:\t", mpt->sc_dev.dv_xname); 1127 printf("0x%08x%c", msg->Data[i], 1128 ((i % 4) == 3) ? '\n' : ' '); 1129 } 1130 if ((i % 4) != 0) 1131 printf("\n"); 1132 break; 1133 } 1134 1135 case MPI_EVENT_UNIT_ATTENTION: 1136 mpt_prt(mpt, "Unit Attn: Bus 0x%02x Target 0x%02x", 1137 (msg->Data[0] >> 8) & 0xff, msg->Data[0] & 0xff); 1138 break; 1139 1140 case MPI_EVENT_IOC_BUS_RESET: 1141 /* We generated a bus reset. */ 1142 mpt_prt(mpt, "IOC Bus Reset Port %d", 1143 (msg->Data[0] >> 8) & 0xff); 1144 break; 1145 1146 case MPI_EVENT_EXT_BUS_RESET: 1147 /* Someone else generated a bus reset. */ 1148 mpt_prt(mpt, "External Bus Reset"); 1149 /* 1150 * These replies don't return EventData like the MPI 1151 * spec says they do. 1152 */ 1153 /* XXX Send an async event? */ 1154 break; 1155 1156 case MPI_EVENT_RESCAN: 1157 /* 1158 * In general, thise means a device has been added 1159 * to the loop. 1160 */ 1161 mpt_prt(mpt, "Rescan Port %d", (msg->Data[0] >> 8) & 0xff); 1162 /* XXX Send an async event? */ 1163 break; 1164 1165 case MPI_EVENT_LINK_STATUS_CHANGE: 1166 mpt_prt(mpt, "Port %d: Link state %s", 1167 (msg->Data[1] >> 8) & 0xff, 1168 (msg->Data[0] & 0xff) == 0 ? "Failed" : "Active"); 1169 break; 1170 1171 case MPI_EVENT_LOOP_STATE_CHANGE: 1172 switch ((msg->Data[0] >> 16) & 0xff) { 1173 case 0x01: 1174 mpt_prt(mpt, 1175 "Port %d: FC Link Event: LIP(%02x,%02x) " 1176 "(Loop Initialization)", 1177 (msg->Data[1] >> 8) & 0xff, 1178 (msg->Data[0] >> 8) & 0xff, 1179 (msg->Data[0] ) & 0xff); 1180 switch ((msg->Data[0] >> 8) & 0xff) { 1181 case 0xf7: 1182 if ((msg->Data[0] & 0xff) == 0xf7) 1183 mpt_prt(mpt, "\tDevice needs AL_PA"); 1184 else 1185 mpt_prt(mpt, "\tDevice %02x doesn't " 1186 "like FC performance", 1187 msg->Data[0] & 0xff); 1188 break; 1189 1190 case 0xf8: 1191 if ((msg->Data[0] & 0xff) == 0xf7) 1192 mpt_prt(mpt, "\tDevice detected loop " 1193 "failure before acquiring AL_PA"); 1194 else 1195 mpt_prt(mpt, "\tDevice %02x detected " 1196 "loop failure", 1197 msg->Data[0] & 0xff); 1198 break; 1199 1200 default: 1201 mpt_prt(mpt, "\tDevice %02x requests that " 1202 "device %02x reset itself", 1203 msg->Data[0] & 0xff, 1204 (msg->Data[0] >> 8) & 0xff); 1205 break; 1206 } 1207 break; 1208 1209 case 0x02: 1210 mpt_prt(mpt, "Port %d: FC Link Event: LPE(%02x,%02x) " 1211 "(Loop Port Enable)", 1212 (msg->Data[1] >> 8) & 0xff, 1213 (msg->Data[0] >> 8) & 0xff, 1214 (msg->Data[0] ) & 0xff); 1215 break; 1216 1217 case 0x03: 1218 mpt_prt(mpt, "Port %d: FC Link Event: LPB(%02x,%02x) " 1219 "(Loop Port Bypass)", 1220 (msg->Data[1] >> 8) & 0xff, 1221 (msg->Data[0] >> 8) & 0xff, 1222 (msg->Data[0] ) & 0xff); 1223 break; 1224 1225 default: 1226 mpt_prt(mpt, "Port %d: FC Link Event: " 1227 "Unknown event (%02x %02x %02x)", 1228 (msg->Data[1] >> 8) & 0xff, 1229 (msg->Data[0] >> 16) & 0xff, 1230 (msg->Data[0] >> 8) & 0xff, 1231 (msg->Data[0] ) & 0xff); 1232 break; 1233 } 1234 break; 1235 1236 case MPI_EVENT_LOGOUT: 1237 mpt_prt(mpt, "Port %d: FC Logout: N_PortID: %02x", 1238 (msg->Data[1] >> 8) & 0xff, msg->Data[0]); 1239 break; 1240 1241 case MPI_EVENT_EVENT_CHANGE: 1242 /* 1243 * This is just an acknowledgement of our 1244 * mpt_send_event_request(). 1245 */ 1246 break; 1247 1248 default: 1249 mpt_prt(mpt, "Unknown async event: 0x%x", msg->Event); 1250 break; 1251 } 1252 1253 if (msg->AckRequired) { 1254 MSG_EVENT_ACK *ackp; 1255 request_t *req; 1256 1257 if ((req = mpt_get_request(mpt)) == NULL) { 1258 /* XXX XXX XXX XXXJRT */ 1259 panic("mpt_event_notify_reply: unable to allocate " 1260 "request structure"); 1261 } 1262 1263 ackp = (MSG_EVENT_ACK *) req->req_vbuf; 1264 memset(ackp, 0, sizeof(*ackp)); 1265 ackp->Function = MPI_FUNCTION_EVENT_ACK; 1266 ackp->Event = msg->Event; 1267 ackp->EventContext = msg->EventContext; 1268 ackp->MsgContext = req->index | 0x80000000; 1269 mpt_check_doorbell(mpt); 1270 mpt_send_cmd(mpt, req); 1271 } 1272 } 1273 1274 /* XXXJRT mpt_bus_reset() */ 1275 1276 /***************************************************************************** 1277 * SCSI interface routines 1278 *****************************************************************************/ 1279 1280 static void 1281 mpt_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 1282 void *arg) 1283 { 1284 struct scsipi_adapter *adapt = chan->chan_adapter; 1285 mpt_softc_t *mpt = (void *) adapt->adapt_dev; 1286 1287 switch (req) { 1288 case ADAPTER_REQ_RUN_XFER: 1289 mpt_run_xfer(mpt, (struct scsipi_xfer *) arg); 1290 return; 1291 1292 case ADAPTER_REQ_GROW_RESOURCES: 1293 /* Not supported. */ 1294 return; 1295 1296 case ADAPTER_REQ_SET_XFER_MODE: 1297 mpt_set_xfer_mode(mpt, (struct scsipi_xfer_mode *) arg); 1298 return; 1299 } 1300 } 1301 1302 static void 1303 mpt_minphys(struct buf *bp) 1304 { 1305 1306 /* 1307 * Subtract one from the SGL limit, since we need an extra one to handle 1308 * an non-page-aligned transfer. 1309 */ 1310 #define MPT_MAX_XFER ((MPT_SGL_MAX - 1) * PAGE_SIZE) 1311 1312 if (bp->b_bcount > MPT_MAX_XFER) 1313 bp->b_bcount = MPT_MAX_XFER; 1314 minphys(bp); 1315 } 1316
Indexes created Tue Sep 23 20:09:58 GMT 2025