mpt_netbsd.c revision 1.16.6.2
1 /* $NetBSD: mpt_netbsd.c,v 1.16.6.2 2012/04/05 21:33:26 mrg 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 * Additional contributions by Garrett D'Amore on behalf of TELES AG. 77 */ 78 79 #include <sys/cdefs.h> 80 __KERNEL_RCSID(0, "$NetBSD: mpt_netbsd.c,v 1.16.6.2 2012/04/05 21:33:26 mrg Exp $"); 81 82 #include <dev/ic/mpt.h> /* pulls in all headers */ 83 84 static int mpt_poll(mpt_softc_t *, struct scsipi_xfer *, int); 85 static void mpt_timeout(void *); 86 static void mpt_done(mpt_softc_t *, uint32_t); 87 static void mpt_run_xfer(mpt_softc_t *, struct scsipi_xfer *); 88 static void mpt_set_xfer_mode(mpt_softc_t *, struct scsipi_xfer_mode *); 89 static void mpt_get_xfer_mode(mpt_softc_t *, struct scsipi_periph *); 90 static void mpt_ctlop(mpt_softc_t *, void *vmsg, uint32_t); 91 static void mpt_event_notify_reply(mpt_softc_t *, MSG_EVENT_NOTIFY_REPLY *); 92 93 static void mpt_scsipi_request(struct scsipi_channel *, 94 scsipi_adapter_req_t, void *); 95 static void mpt_minphys(struct buf *); 96 97 /* 98 * XXX - this assumes the device_private() of the attachement starts with 99 * a struct mpt_softc, so we can use the return value of device_private() 100 * straight without any offset. 101 */ 102 #define DEV_TO_MPT(DEV) device_private(DEV) 103 104 void 105 mpt_scsipi_attach(mpt_softc_t *mpt) 106 { 107 struct scsipi_adapter *adapt = &mpt->sc_adapter; 108 struct scsipi_channel *chan = &mpt->sc_channel; 109 int maxq; 110 111 mpt->bus = 0; /* XXX ?? */ 112 113 maxq = (mpt->mpt_global_credits < MPT_MAX_REQUESTS(mpt)) ? 114 mpt->mpt_global_credits : MPT_MAX_REQUESTS(mpt); 115 116 /* Fill in the scsipi_adapter. */ 117 memset(adapt, 0, sizeof(*adapt)); 118 adapt->adapt_dev = mpt->sc_dev; 119 adapt->adapt_nchannels = 1; 120 adapt->adapt_openings = maxq - 2; /* Reserve 2 for driver use*/ 121 adapt->adapt_max_periph = maxq - 2; 122 adapt->adapt_request = mpt_scsipi_request; 123 adapt->adapt_minphys = mpt_minphys; 124 125 /* Fill in the scsipi_channel. */ 126 memset(chan, 0, sizeof(*chan)); 127 chan->chan_adapter = adapt; 128 chan->chan_bustype = &scsi_bustype; 129 chan->chan_channel = 0; 130 chan->chan_flags = 0; 131 chan->chan_nluns = 8; 132 chan->chan_ntargets = mpt->mpt_max_devices; 133 chan->chan_id = mpt->mpt_ini_id; 134 135 (void) config_found(mpt->sc_dev, &mpt->sc_channel, scsiprint); 136 } 137 138 int 139 mpt_dma_mem_alloc(mpt_softc_t *mpt) 140 { 141 bus_dma_segment_t reply_seg, request_seg; 142 int reply_rseg, request_rseg; 143 bus_addr_t pptr, end; 144 char *vptr; 145 size_t len; 146 int error, i; 147 148 /* Check if we have already allocated the reply memory. */ 149 if (mpt->reply != NULL) 150 return (0); 151 152 /* 153 * Allocate the request pool. This isn't really DMA'd memory, 154 * but it's a convenient place to do it. 155 */ 156 len = sizeof(request_t) * MPT_MAX_REQUESTS(mpt); 157 mpt->request_pool = malloc(len, M_DEVBUF, M_WAITOK | M_ZERO); 158 if (mpt->request_pool == NULL) { 159 aprint_error_dev(mpt->sc_dev, "unable to allocate request pool\n"); 160 return (ENOMEM); 161 } 162 163 /* 164 * Allocate DMA resources for reply buffers. 165 */ 166 error = bus_dmamem_alloc(mpt->sc_dmat, PAGE_SIZE, PAGE_SIZE, 0, 167 &reply_seg, 1, &reply_rseg, 0); 168 if (error) { 169 aprint_error_dev(mpt->sc_dev, "unable to allocate reply area, error = %d\n", 170 error); 171 goto fail_0; 172 } 173 174 error = bus_dmamem_map(mpt->sc_dmat, &reply_seg, reply_rseg, PAGE_SIZE, 175 (void **) &mpt->reply, BUS_DMA_COHERENT/*XXX*/); 176 if (error) { 177 aprint_error_dev(mpt->sc_dev, "unable to map reply area, error = %d\n", 178 error); 179 goto fail_1; 180 } 181 182 error = bus_dmamap_create(mpt->sc_dmat, PAGE_SIZE, 1, PAGE_SIZE, 183 0, 0, &mpt->reply_dmap); 184 if (error) { 185 aprint_error_dev(mpt->sc_dev, "unable to create reply DMA map, error = %d\n", 186 error); 187 goto fail_2; 188 } 189 190 error = bus_dmamap_load(mpt->sc_dmat, mpt->reply_dmap, mpt->reply, 191 PAGE_SIZE, NULL, 0); 192 if (error) { 193 aprint_error_dev(mpt->sc_dev, "unable to load reply DMA map, error = %d\n", 194 error); 195 goto fail_3; 196 } 197 mpt->reply_phys = mpt->reply_dmap->dm_segs[0].ds_addr; 198 199 /* 200 * Allocate DMA resources for request buffers. 201 */ 202 error = bus_dmamem_alloc(mpt->sc_dmat, MPT_REQ_MEM_SIZE(mpt), 203 PAGE_SIZE, 0, &request_seg, 1, &request_rseg, 0); 204 if (error) { 205 aprint_error_dev(mpt->sc_dev, "unable to allocate request area, " 206 "error = %d\n", error); 207 goto fail_4; 208 } 209 210 error = bus_dmamem_map(mpt->sc_dmat, &request_seg, request_rseg, 211 MPT_REQ_MEM_SIZE(mpt), (void **) &mpt->request, 0); 212 if (error) { 213 aprint_error_dev(mpt->sc_dev, "unable to map request area, error = %d\n", 214 error); 215 goto fail_5; 216 } 217 218 error = bus_dmamap_create(mpt->sc_dmat, MPT_REQ_MEM_SIZE(mpt), 1, 219 MPT_REQ_MEM_SIZE(mpt), 0, 0, &mpt->request_dmap); 220 if (error) { 221 aprint_error_dev(mpt->sc_dev, "unable to create request DMA map, " 222 "error = %d\n", error); 223 goto fail_6; 224 } 225 226 error = bus_dmamap_load(mpt->sc_dmat, mpt->request_dmap, mpt->request, 227 MPT_REQ_MEM_SIZE(mpt), NULL, 0); 228 if (error) { 229 aprint_error_dev(mpt->sc_dev, "unable to load request DMA map, error = %d\n", 230 error); 231 goto fail_7; 232 } 233 mpt->request_phys = mpt->request_dmap->dm_segs[0].ds_addr; 234 235 pptr = mpt->request_phys; 236 vptr = (void *) mpt->request; 237 end = pptr + MPT_REQ_MEM_SIZE(mpt); 238 239 for (i = 0; pptr < end; i++) { 240 request_t *req = &mpt->request_pool[i]; 241 req->index = i; 242 243 /* Store location of Request Data */ 244 req->req_pbuf = pptr; 245 req->req_vbuf = vptr; 246 247 pptr += MPT_REQUEST_AREA; 248 vptr += MPT_REQUEST_AREA; 249 250 req->sense_pbuf = (pptr - MPT_SENSE_SIZE); 251 req->sense_vbuf = (vptr - MPT_SENSE_SIZE); 252 253 error = bus_dmamap_create(mpt->sc_dmat, MAXPHYS, 254 MPT_SGL_MAX, MAXPHYS, 0, 0, &req->dmap); 255 if (error) { 256 aprint_error_dev(mpt->sc_dev, "unable to create req %d DMA map, " 257 "error = %d\n", i, error); 258 goto fail_8; 259 } 260 } 261 262 return (0); 263 264 fail_8: 265 for (--i; i >= 0; i--) { 266 request_t *req = &mpt->request_pool[i]; 267 if (req->dmap != NULL) 268 bus_dmamap_destroy(mpt->sc_dmat, req->dmap); 269 } 270 bus_dmamap_unload(mpt->sc_dmat, mpt->request_dmap); 271 fail_7: 272 bus_dmamap_destroy(mpt->sc_dmat, mpt->request_dmap); 273 fail_6: 274 bus_dmamem_unmap(mpt->sc_dmat, (void *)mpt->request, PAGE_SIZE); 275 fail_5: 276 bus_dmamem_free(mpt->sc_dmat, &request_seg, request_rseg); 277 fail_4: 278 bus_dmamap_unload(mpt->sc_dmat, mpt->reply_dmap); 279 fail_3: 280 bus_dmamap_destroy(mpt->sc_dmat, mpt->reply_dmap); 281 fail_2: 282 bus_dmamem_unmap(mpt->sc_dmat, (void *)mpt->reply, PAGE_SIZE); 283 fail_1: 284 bus_dmamem_free(mpt->sc_dmat, &reply_seg, reply_rseg); 285 fail_0: 286 free(mpt->request_pool, M_DEVBUF); 287 288 mpt->reply = NULL; 289 mpt->request = NULL; 290 mpt->request_pool = NULL; 291 292 return (error); 293 } 294 295 int 296 mpt_intr(void *arg) 297 { 298 mpt_softc_t *mpt = arg; 299 int nrepl = 0; 300 uint32_t reply; 301 302 if ((mpt_read(mpt, MPT_OFFSET_INTR_STATUS) & MPT_INTR_REPLY_READY) == 0) 303 return (0); 304 305 reply = mpt_pop_reply_queue(mpt); 306 while (reply != MPT_REPLY_EMPTY) { 307 nrepl++; 308 if (mpt->verbose > 1) { 309 if ((reply & MPT_CONTEXT_REPLY) != 0) { 310 /* Address reply; IOC has something to say */ 311 mpt_print_reply(MPT_REPLY_PTOV(mpt, reply)); 312 } else { 313 /* Context reply; all went well */ 314 mpt_prt(mpt, "context %u reply OK", reply); 315 } 316 } 317 mpt_done(mpt, reply); 318 reply = mpt_pop_reply_queue(mpt); 319 } 320 return (nrepl != 0); 321 } 322 323 void 324 mpt_prt(mpt_softc_t *mpt, const char *fmt, ...) 325 { 326 va_list ap; 327 328 printf("%s: ", device_xname(mpt->sc_dev)); 329 va_start(ap, fmt); 330 vprintf(fmt, ap); 331 va_end(ap); 332 printf("\n"); 333 } 334 335 static int 336 mpt_poll(mpt_softc_t *mpt, struct scsipi_xfer *xs, int count) 337 { 338 339 /* Timeouts are in msec, so we loop in 1000usec cycles */ 340 while (count) { 341 mpt_intr(mpt); 342 if (xs->xs_status & XS_STS_DONE) 343 return (0); 344 delay(1000); /* only happens in boot, so ok */ 345 count--; 346 } 347 return (1); 348 } 349 350 static void 351 mpt_timeout(void *arg) 352 { 353 request_t *req = arg; 354 struct scsipi_xfer *xs = req->xfer; 355 struct scsipi_periph *periph = xs->xs_periph; 356 mpt_softc_t *mpt = DEV_TO_MPT( 357 periph->periph_channel->chan_adapter->adapt_dev); 358 uint32_t oseq; 359 int s; 360 361 scsipi_printaddr(periph); 362 printf("command timeout\n"); 363 364 s = splbio(); 365 366 oseq = req->sequence; 367 mpt->timeouts++; 368 if (mpt_intr(mpt)) { 369 if (req->sequence != oseq) { 370 mpt_prt(mpt, "recovered from command timeout"); 371 splx(s); 372 return; 373 } 374 } 375 mpt_prt(mpt, 376 "timeout on request index = 0x%x, seq = 0x%08x", 377 req->index, req->sequence); 378 mpt_check_doorbell(mpt); 379 mpt_prt(mpt, "Status 0x%08x, Mask 0x%08x, Doorbell 0x%08x", 380 mpt_read(mpt, MPT_OFFSET_INTR_STATUS), 381 mpt_read(mpt, MPT_OFFSET_INTR_MASK), 382 mpt_read(mpt, MPT_OFFSET_DOORBELL)); 383 mpt_prt(mpt, "request state: %s", mpt_req_state(req->debug)); 384 if (mpt->verbose > 1) 385 mpt_print_scsi_io_request((MSG_SCSI_IO_REQUEST *)req->req_vbuf); 386 387 /* XXX WHAT IF THE IOC IS STILL USING IT?? */ 388 req->xfer = NULL; 389 mpt_free_request(mpt, req); 390 391 xs->error = XS_TIMEOUT; 392 scsipi_done(xs); 393 394 splx(s); 395 } 396 397 static void 398 mpt_done(mpt_softc_t *mpt, uint32_t reply) 399 { 400 struct scsipi_xfer *xs = NULL; 401 struct scsipi_periph *periph; 402 int index; 403 request_t *req; 404 MSG_REQUEST_HEADER *mpt_req; 405 MSG_SCSI_IO_REPLY *mpt_reply; 406 407 if (__predict_true((reply & MPT_CONTEXT_REPLY) == 0)) { 408 /* context reply (ok) */ 409 mpt_reply = NULL; 410 index = reply & MPT_CONTEXT_MASK; 411 } else { 412 /* address reply (error) */ 413 414 /* XXX BUS_DMASYNC_POSTREAD XXX */ 415 mpt_reply = MPT_REPLY_PTOV(mpt, reply); 416 if (mpt->verbose > 1) { 417 uint32_t *pReply = (uint32_t *) mpt_reply; 418 419 mpt_prt(mpt, "Address Reply (index %u):", 420 le32toh(mpt_reply->MsgContext) & 0xffff); 421 mpt_prt(mpt, "%08x %08x %08x %08x", 422 pReply[0], pReply[1], pReply[2], pReply[3]); 423 mpt_prt(mpt, "%08x %08x %08x %08x", 424 pReply[4], pReply[5], pReply[6], pReply[7]); 425 mpt_prt(mpt, "%08x %08x %08x %08x", 426 pReply[8], pReply[9], pReply[10], pReply[11]); 427 } 428 index = le32toh(mpt_reply->MsgContext); 429 } 430 431 /* 432 * Address reply with MessageContext high bit set. 433 * This is most likely a notify message, so we try 434 * to process it, then free it. 435 */ 436 if (__predict_false((index & 0x80000000) != 0)) { 437 if (mpt_reply != NULL) 438 mpt_ctlop(mpt, mpt_reply, reply); 439 else 440 mpt_prt(mpt, "mpt_done: index 0x%x, NULL reply", index); 441 return; 442 } 443 444 /* Did we end up with a valid index into the table? */ 445 if (__predict_false(index < 0 || index >= MPT_MAX_REQUESTS(mpt))) { 446 mpt_prt(mpt, "mpt_done: invalid index (0x%x) in reply", index); 447 return; 448 } 449 450 req = &mpt->request_pool[index]; 451 452 /* Make sure memory hasn't been trashed. */ 453 if (__predict_false(req->index != index)) { 454 mpt_prt(mpt, "mpt_done: corrupted request_t (0x%x)", index); 455 return; 456 } 457 458 MPT_SYNC_REQ(mpt, req, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 459 mpt_req = req->req_vbuf; 460 461 /* Short cut for task management replies; nothing more for us to do. */ 462 if (__predict_false(mpt_req->Function == MPI_FUNCTION_SCSI_TASK_MGMT)) { 463 if (mpt->verbose > 1) 464 mpt_prt(mpt, "mpt_done: TASK MGMT"); 465 goto done; 466 } 467 468 if (__predict_false(mpt_req->Function == MPI_FUNCTION_PORT_ENABLE)) 469 goto done; 470 471 /* 472 * At this point, it had better be a SCSI I/O command, but don't 473 * crash if it isn't. 474 */ 475 if (__predict_false(mpt_req->Function != 476 MPI_FUNCTION_SCSI_IO_REQUEST)) { 477 if (mpt->verbose > 1) 478 mpt_prt(mpt, "mpt_done: unknown Function 0x%x (0x%x)", 479 mpt_req->Function, index); 480 goto done; 481 } 482 483 /* Recover scsipi_xfer from the request structure. */ 484 xs = req->xfer; 485 486 /* Can't have a SCSI command without a scsipi_xfer. */ 487 if (__predict_false(xs == NULL)) { 488 mpt_prt(mpt, 489 "mpt_done: no scsipi_xfer, index = 0x%x, seq = 0x%08x", 490 req->index, req->sequence); 491 mpt_prt(mpt, "request state: %s", mpt_req_state(req->debug)); 492 mpt_prt(mpt, "mpt_request:"); 493 mpt_print_scsi_io_request((MSG_SCSI_IO_REQUEST *)req->req_vbuf); 494 495 if (mpt_reply != NULL) { 496 mpt_prt(mpt, "mpt_reply:"); 497 mpt_print_reply(mpt_reply); 498 } else { 499 mpt_prt(mpt, "context reply: 0x%08x", reply); 500 } 501 goto done; 502 } 503 504 callout_stop(&xs->xs_callout); 505 506 periph = xs->xs_periph; 507 508 /* 509 * If we were a data transfer, unload the map that described 510 * the data buffer. 511 */ 512 if (__predict_true(xs->datalen != 0)) { 513 bus_dmamap_sync(mpt->sc_dmat, req->dmap, 0, 514 req->dmap->dm_mapsize, 515 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_POSTREAD 516 : BUS_DMASYNC_POSTWRITE); 517 bus_dmamap_unload(mpt->sc_dmat, req->dmap); 518 } 519 520 if (__predict_true(mpt_reply == NULL)) { 521 /* 522 * Context reply; report that the command was 523 * successful! 524 * 525 * Also report the xfer mode, if necessary. 526 */ 527 if (__predict_false(mpt->mpt_report_xfer_mode != 0)) { 528 if ((mpt->mpt_report_xfer_mode & 529 (1 << periph->periph_target)) != 0) 530 mpt_get_xfer_mode(mpt, periph); 531 } 532 xs->error = XS_NOERROR; 533 xs->status = SCSI_OK; 534 xs->resid = 0; 535 mpt_free_request(mpt, req); 536 scsipi_done(xs); 537 return; 538 } 539 540 xs->status = mpt_reply->SCSIStatus; 541 switch (le16toh(mpt_reply->IOCStatus)) { 542 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 543 xs->error = XS_DRIVER_STUFFUP; 544 break; 545 546 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 547 /* 548 * Yikes! Tagged queue full comes through this path! 549 * 550 * So we'll change it to a status error and anything 551 * that returns status should probably be a status 552 * error as well. 553 */ 554 xs->resid = xs->datalen - le32toh(mpt_reply->TransferCount); 555 if (mpt_reply->SCSIState & 556 MPI_SCSI_STATE_NO_SCSI_STATUS) { 557 xs->error = XS_DRIVER_STUFFUP; 558 break; 559 } 560 /* FALLTHROUGH */ 561 case MPI_IOCSTATUS_SUCCESS: 562 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: 563 switch (xs->status) { 564 case SCSI_OK: 565 /* Report the xfer mode, if necessary. */ 566 if ((mpt->mpt_report_xfer_mode & 567 (1 << periph->periph_target)) != 0) 568 mpt_get_xfer_mode(mpt, periph); 569 xs->resid = 0; 570 break; 571 572 case SCSI_CHECK: 573 xs->error = XS_SENSE; 574 break; 575 576 case SCSI_BUSY: 577 case SCSI_QUEUE_FULL: 578 xs->error = XS_BUSY; 579 break; 580 581 default: 582 scsipi_printaddr(periph); 583 printf("invalid status code %d\n", xs->status); 584 xs->error = XS_DRIVER_STUFFUP; 585 break; 586 } 587 break; 588 589 case MPI_IOCSTATUS_BUSY: 590 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 591 xs->error = XS_RESOURCE_SHORTAGE; 592 break; 593 594 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 595 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 596 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 597 xs->error = XS_SELTIMEOUT; 598 break; 599 600 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 601 xs->error = XS_DRIVER_STUFFUP; 602 break; 603 604 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 605 /* XXX What should we do here? */ 606 break; 607 608 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 609 /* XXX */ 610 xs->error = XS_DRIVER_STUFFUP; 611 break; 612 613 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 614 /* XXX */ 615 xs->error = XS_DRIVER_STUFFUP; 616 break; 617 618 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 619 /* XXX This is a bus-reset */ 620 xs->error = XS_DRIVER_STUFFUP; 621 break; 622 623 default: 624 /* XXX unrecognized HBA error */ 625 xs->error = XS_DRIVER_STUFFUP; 626 break; 627 } 628 629 if (mpt_reply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) { 630 memcpy(&xs->sense.scsi_sense, req->sense_vbuf, 631 sizeof(xs->sense.scsi_sense)); 632 } else if (mpt_reply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { 633 /* 634 * This will cause the scsipi layer to issue 635 * a REQUEST SENSE. 636 */ 637 if (xs->status == SCSI_CHECK) 638 xs->error = XS_BUSY; 639 } 640 641 done: 642 /* If IOC done with this requeset, free it up. */ 643 if (mpt_reply == NULL || (mpt_reply->MsgFlags & 0x80) == 0) 644 mpt_free_request(mpt, req); 645 646 /* If address reply, give the buffer back to the IOC. */ 647 if (mpt_reply != NULL) 648 mpt_free_reply(mpt, (reply << 1)); 649 650 if (xs != NULL) 651 scsipi_done(xs); 652 } 653 654 static void 655 mpt_run_xfer(mpt_softc_t *mpt, struct scsipi_xfer *xs) 656 { 657 struct scsipi_periph *periph = xs->xs_periph; 658 request_t *req; 659 MSG_SCSI_IO_REQUEST *mpt_req; 660 int error, s; 661 662 s = splbio(); 663 req = mpt_get_request(mpt); 664 if (__predict_false(req == NULL)) { 665 /* This should happen very infrequently. */ 666 xs->error = XS_RESOURCE_SHORTAGE; 667 scsipi_done(xs); 668 splx(s); 669 return; 670 } 671 splx(s); 672 673 /* Link the req and the scsipi_xfer. */ 674 req->xfer = xs; 675 676 /* Now we build the command for the IOC */ 677 mpt_req = req->req_vbuf; 678 memset(mpt_req, 0, sizeof(*mpt_req)); 679 680 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 681 mpt_req->Bus = mpt->bus; 682 683 mpt_req->SenseBufferLength = 684 (sizeof(xs->sense.scsi_sense) < MPT_SENSE_SIZE) ? 685 sizeof(xs->sense.scsi_sense) : MPT_SENSE_SIZE; 686 687 /* 688 * We use the message context to find the request structure when 689 * we get the command completion interrupt from the IOC. 690 */ 691 mpt_req->MsgContext = htole32(req->index); 692 693 /* Which physical device to do the I/O on. */ 694 mpt_req->TargetID = periph->periph_target; 695 mpt_req->LUN[1] = periph->periph_lun; 696 697 /* Set the direction of the transfer. */ 698 if (xs->xs_control & XS_CTL_DATA_IN) 699 mpt_req->Control = MPI_SCSIIO_CONTROL_READ; 700 else if (xs->xs_control & XS_CTL_DATA_OUT) 701 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE; 702 else 703 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER; 704 705 /* Set the queue behavior. */ 706 if (__predict_true((!mpt->is_scsi) || 707 (mpt->mpt_tag_enable & 708 (1 << periph->periph_target)))) { 709 switch (XS_CTL_TAGTYPE(xs)) { 710 case XS_CTL_HEAD_TAG: 711 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ; 712 break; 713 714 #if 0 /* XXX */ 715 case XS_CTL_ACA_TAG: 716 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ; 717 break; 718 #endif 719 720 case XS_CTL_ORDERED_TAG: 721 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ; 722 break; 723 724 case XS_CTL_SIMPLE_TAG: 725 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 726 break; 727 728 default: 729 if (mpt->is_scsi) 730 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 731 else 732 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 733 break; 734 } 735 } else 736 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 737 738 if (__predict_false(mpt->is_scsi && 739 (mpt->mpt_disc_enable & 740 (1 << periph->periph_target)) == 0)) 741 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT; 742 743 mpt_req->Control = htole32(mpt_req->Control); 744 745 /* Copy the SCSI command block into place. */ 746 memcpy(mpt_req->CDB, xs->cmd, xs->cmdlen); 747 748 mpt_req->CDBLength = xs->cmdlen; 749 mpt_req->DataLength = htole32(xs->datalen); 750 mpt_req->SenseBufferLowAddr = htole32(req->sense_pbuf); 751 752 /* 753 * Map the DMA transfer. 754 */ 755 if (xs->datalen) { 756 SGE_SIMPLE32 *se; 757 758 error = bus_dmamap_load(mpt->sc_dmat, req->dmap, xs->data, 759 xs->datalen, NULL, 760 ((xs->xs_control & XS_CTL_NOSLEEP) ? BUS_DMA_NOWAIT 761 : BUS_DMA_WAITOK) | 762 BUS_DMA_STREAMING | 763 ((xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMA_READ 764 : BUS_DMA_WRITE)); 765 switch (error) { 766 case 0: 767 break; 768 769 case ENOMEM: 770 case EAGAIN: 771 xs->error = XS_RESOURCE_SHORTAGE; 772 goto out_bad; 773 774 default: 775 xs->error = XS_DRIVER_STUFFUP; 776 mpt_prt(mpt, "error %d loading DMA map", error); 777 out_bad: 778 s = splbio(); 779 mpt_free_request(mpt, req); 780 scsipi_done(xs); 781 splx(s); 782 return; 783 } 784 785 if (req->dmap->dm_nsegs > MPT_NSGL_FIRST(mpt)) { 786 int seg, i, nleft = req->dmap->dm_nsegs; 787 uint32_t flags; 788 SGE_CHAIN32 *ce; 789 790 seg = 0; 791 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 792 if (xs->xs_control & XS_CTL_DATA_OUT) 793 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 794 795 se = (SGE_SIMPLE32 *) &mpt_req->SGL; 796 for (i = 0; i < MPT_NSGL_FIRST(mpt) - 1; 797 i++, se++, seg++) { 798 uint32_t tf; 799 800 memset(se, 0, sizeof(*se)); 801 se->Address = 802 htole32(req->dmap->dm_segs[seg].ds_addr); 803 MPI_pSGE_SET_LENGTH(se, 804 req->dmap->dm_segs[seg].ds_len); 805 tf = flags; 806 if (i == MPT_NSGL_FIRST(mpt) - 2) 807 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 808 MPI_pSGE_SET_FLAGS(se, tf); 809 se->FlagsLength = htole32(se->FlagsLength); 810 nleft--; 811 } 812 813 /* 814 * Tell the IOC where to find the first chain element. 815 */ 816 mpt_req->ChainOffset = 817 ((char *)se - (char *)mpt_req) >> 2; 818 819 /* 820 * Until we're finished with all segments... 821 */ 822 while (nleft) { 823 int ntodo; 824 825 /* 826 * Construct the chain element that points to 827 * the next segment. 828 */ 829 ce = (SGE_CHAIN32 *) se++; 830 if (nleft > MPT_NSGL(mpt)) { 831 ntodo = MPT_NSGL(mpt) - 1; 832 ce->NextChainOffset = (MPT_RQSL(mpt) - 833 sizeof(SGE_SIMPLE32)) >> 2; 834 ce->Length = htole16(MPT_NSGL(mpt) 835 * sizeof(SGE_SIMPLE32)); 836 } else { 837 ntodo = nleft; 838 ce->NextChainOffset = 0; 839 ce->Length = htole16(ntodo 840 * sizeof(SGE_SIMPLE32)); 841 } 842 ce->Address = htole32(req->req_pbuf + 843 ((char *)se - (char *)mpt_req)); 844 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 845 for (i = 0; i < ntodo; i++, se++, seg++) { 846 uint32_t tf; 847 848 memset(se, 0, sizeof(*se)); 849 se->Address = htole32( 850 req->dmap->dm_segs[seg].ds_addr); 851 MPI_pSGE_SET_LENGTH(se, 852 req->dmap->dm_segs[seg].ds_len); 853 tf = flags; 854 if (i == ntodo - 1) { 855 tf |= 856 MPI_SGE_FLAGS_LAST_ELEMENT; 857 if (ce->NextChainOffset == 0) { 858 tf |= 859 MPI_SGE_FLAGS_END_OF_LIST | 860 MPI_SGE_FLAGS_END_OF_BUFFER; 861 } 862 } 863 MPI_pSGE_SET_FLAGS(se, tf); 864 se->FlagsLength = 865 htole32(se->FlagsLength); 866 nleft--; 867 } 868 } 869 bus_dmamap_sync(mpt->sc_dmat, req->dmap, 0, 870 req->dmap->dm_mapsize, 871 (xs->xs_control & XS_CTL_DATA_IN) ? 872 BUS_DMASYNC_PREREAD 873 : BUS_DMASYNC_PREWRITE); 874 } else { 875 int i; 876 uint32_t flags; 877 878 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 879 if (xs->xs_control & XS_CTL_DATA_OUT) 880 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 881 882 /* Copy the segments into our SG list. */ 883 se = (SGE_SIMPLE32 *) &mpt_req->SGL; 884 for (i = 0; i < req->dmap->dm_nsegs; 885 i++, se++) { 886 uint32_t tf; 887 888 memset(se, 0, sizeof(*se)); 889 se->Address = 890 htole32(req->dmap->dm_segs[i].ds_addr); 891 MPI_pSGE_SET_LENGTH(se, 892 req->dmap->dm_segs[i].ds_len); 893 tf = flags; 894 if (i == req->dmap->dm_nsegs - 1) { 895 tf |= 896 MPI_SGE_FLAGS_LAST_ELEMENT | 897 MPI_SGE_FLAGS_END_OF_BUFFER | 898 MPI_SGE_FLAGS_END_OF_LIST; 899 } 900 MPI_pSGE_SET_FLAGS(se, tf); 901 se->FlagsLength = htole32(se->FlagsLength); 902 } 903 bus_dmamap_sync(mpt->sc_dmat, req->dmap, 0, 904 req->dmap->dm_mapsize, 905 (xs->xs_control & XS_CTL_DATA_IN) ? 906 BUS_DMASYNC_PREREAD 907 : BUS_DMASYNC_PREWRITE); 908 } 909 } else { 910 /* 911 * No data to transfer; just make a single simple SGL 912 * with zero length. 913 */ 914 SGE_SIMPLE32 *se = (SGE_SIMPLE32 *) &mpt_req->SGL; 915 memset(se, 0, sizeof(*se)); 916 MPI_pSGE_SET_FLAGS(se, 917 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 918 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 919 se->FlagsLength = htole32(se->FlagsLength); 920 } 921 922 if (mpt->verbose > 1) 923 mpt_print_scsi_io_request(mpt_req); 924 925 s = splbio(); 926 if (__predict_true((xs->xs_control & XS_CTL_POLL) == 0)) 927 callout_reset(&xs->xs_callout, 928 mstohz(xs->timeout), mpt_timeout, req); 929 mpt_send_cmd(mpt, req); 930 splx(s); 931 932 if (__predict_true((xs->xs_control & XS_CTL_POLL) == 0)) 933 return; 934 935 /* 936 * If we can't use interrupts, poll on completion. 937 */ 938 if (mpt_poll(mpt, xs, xs->timeout)) 939 mpt_timeout(req); 940 } 941 942 static void 943 mpt_set_xfer_mode(mpt_softc_t *mpt, struct scsipi_xfer_mode *xm) 944 { 945 fCONFIG_PAGE_SCSI_DEVICE_1 tmp; 946 947 /* 948 * Always allow disconnect; we don't have a way to disable 949 * it right now, in any case. 950 */ 951 mpt->mpt_disc_enable |= (1 << xm->xm_target); 952 953 if (xm->xm_mode & PERIPH_CAP_TQING) 954 mpt->mpt_tag_enable |= (1 << xm->xm_target); 955 else 956 mpt->mpt_tag_enable &= ~(1 << xm->xm_target); 957 958 if (mpt->is_scsi) { 959 /* 960 * SCSI transport settings only make any sense for 961 * SCSI 962 */ 963 964 tmp = mpt->mpt_dev_page1[xm->xm_target]; 965 966 /* 967 * Set the wide/narrow parameter for the target. 968 */ 969 if (xm->xm_mode & PERIPH_CAP_WIDE16) 970 tmp.RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE; 971 else 972 tmp.RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE; 973 974 /* 975 * Set the synchronous parameters for the target. 976 * 977 * XXX If we request sync transfers, we just go ahead and 978 * XXX request the maximum available. We need finer control 979 * XXX in order to implement Domain Validation. 980 */ 981 tmp.RequestedParameters &= ~(MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK | 982 MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK | 983 MPI_SCSIDEVPAGE1_RP_DT | MPI_SCSIDEVPAGE1_RP_QAS | 984 MPI_SCSIDEVPAGE1_RP_IU); 985 if (xm->xm_mode & PERIPH_CAP_SYNC) { 986 int factor, offset, np; 987 988 factor = (mpt->mpt_port_page0.Capabilities >> 8) & 0xff; 989 offset = (mpt->mpt_port_page0.Capabilities >> 16) & 0xff; 990 np = 0; 991 if (factor < 0x9) { 992 /* Ultra320 */ 993 np |= MPI_SCSIDEVPAGE1_RP_QAS | MPI_SCSIDEVPAGE1_RP_IU; 994 } 995 if (factor < 0xa) { 996 /* at least Ultra160 */ 997 np |= MPI_SCSIDEVPAGE1_RP_DT; 998 } 999 np |= (factor << 8) | (offset << 16); 1000 tmp.RequestedParameters |= np; 1001 } 1002 1003 host2mpt_config_page_scsi_device_1(&tmp); 1004 if (mpt_write_cfg_page(mpt, xm->xm_target, &tmp.Header)) { 1005 mpt_prt(mpt, "unable to write Device Page 1"); 1006 return; 1007 } 1008 1009 if (mpt_read_cfg_page(mpt, xm->xm_target, &tmp.Header)) { 1010 mpt_prt(mpt, "unable to read back Device Page 1"); 1011 return; 1012 } 1013 1014 mpt2host_config_page_scsi_device_1(&tmp); 1015 mpt->mpt_dev_page1[xm->xm_target] = tmp; 1016 if (mpt->verbose > 1) { 1017 mpt_prt(mpt, 1018 "SPI Target %d Page 1: RequestedParameters %x Config %x", 1019 xm->xm_target, 1020 mpt->mpt_dev_page1[xm->xm_target].RequestedParameters, 1021 mpt->mpt_dev_page1[xm->xm_target].Configuration); 1022 } 1023 } 1024 1025 /* 1026 * Make a note that we should perform an async callback at the 1027 * end of the next successful command completion to report the 1028 * negotiated transfer mode. 1029 */ 1030 mpt->mpt_report_xfer_mode |= (1 << xm->xm_target); 1031 } 1032 1033 static void 1034 mpt_get_xfer_mode(mpt_softc_t *mpt, struct scsipi_periph *periph) 1035 { 1036 fCONFIG_PAGE_SCSI_DEVICE_0 tmp; 1037 struct scsipi_xfer_mode xm; 1038 int period, offset; 1039 1040 tmp = mpt->mpt_dev_page0[periph->periph_target]; 1041 host2mpt_config_page_scsi_device_0(&tmp); 1042 if (mpt_read_cfg_page(mpt, periph->periph_target, &tmp.Header)) { 1043 mpt_prt(mpt, "unable to read Device Page 0"); 1044 return; 1045 } 1046 mpt2host_config_page_scsi_device_0(&tmp); 1047 1048 if (mpt->verbose > 1) { 1049 mpt_prt(mpt, 1050 "SPI Tgt %d Page 0: NParms %x Information %x", 1051 periph->periph_target, 1052 tmp.NegotiatedParameters, tmp.Information); 1053 } 1054 1055 xm.xm_target = periph->periph_target; 1056 xm.xm_mode = 0; 1057 1058 if (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) 1059 xm.xm_mode |= PERIPH_CAP_WIDE16; 1060 1061 period = (tmp.NegotiatedParameters >> 8) & 0xff; 1062 offset = (tmp.NegotiatedParameters >> 16) & 0xff; 1063 if (offset) { 1064 xm.xm_period = period; 1065 xm.xm_offset = offset; 1066 xm.xm_mode |= PERIPH_CAP_SYNC; 1067 } 1068 1069 /* 1070 * Tagged queueing is all controlled by us; there is no 1071 * other setting to query. 1072 */ 1073 if (mpt->mpt_tag_enable & (1 << periph->periph_target)) 1074 xm.xm_mode |= PERIPH_CAP_TQING; 1075 1076 /* 1077 * We're going to deliver the async event, so clear the marker. 1078 */ 1079 mpt->mpt_report_xfer_mode &= ~(1 << periph->periph_target); 1080 1081 scsipi_async_event(&mpt->sc_channel, ASYNC_EVENT_XFER_MODE, &xm); 1082 } 1083 1084 static void 1085 mpt_ctlop(mpt_softc_t *mpt, void *vmsg, uint32_t reply) 1086 { 1087 MSG_DEFAULT_REPLY *dmsg = vmsg; 1088 1089 switch (dmsg->Function) { 1090 case MPI_FUNCTION_EVENT_NOTIFICATION: 1091 mpt_event_notify_reply(mpt, vmsg); 1092 mpt_free_reply(mpt, (reply << 1)); 1093 break; 1094 1095 case MPI_FUNCTION_EVENT_ACK: 1096 mpt_free_reply(mpt, (reply << 1)); 1097 break; 1098 1099 case MPI_FUNCTION_PORT_ENABLE: 1100 { 1101 MSG_PORT_ENABLE_REPLY *msg = vmsg; 1102 int index = le32toh(msg->MsgContext) & ~0x80000000; 1103 if (mpt->verbose > 1) 1104 mpt_prt(mpt, "enable port reply index %d", index); 1105 if (index >= 0 && index < MPT_MAX_REQUESTS(mpt)) { 1106 request_t *req = &mpt->request_pool[index]; 1107 req->debug = REQ_DONE; 1108 } 1109 mpt_free_reply(mpt, (reply << 1)); 1110 break; 1111 } 1112 1113 case MPI_FUNCTION_CONFIG: 1114 { 1115 MSG_CONFIG_REPLY *msg = vmsg; 1116 int index = le32toh(msg->MsgContext) & ~0x80000000; 1117 if (index >= 0 && index < MPT_MAX_REQUESTS(mpt)) { 1118 request_t *req = &mpt->request_pool[index]; 1119 req->debug = REQ_DONE; 1120 req->sequence = reply; 1121 } else 1122 mpt_free_reply(mpt, (reply << 1)); 1123 break; 1124 } 1125 1126 default: 1127 mpt_prt(mpt, "unknown ctlop: 0x%x", dmsg->Function); 1128 } 1129 } 1130 1131 static void 1132 mpt_event_notify_reply(mpt_softc_t *mpt, MSG_EVENT_NOTIFY_REPLY *msg) 1133 { 1134 1135 switch (le32toh(msg->Event)) { 1136 case MPI_EVENT_LOG_DATA: 1137 { 1138 int i; 1139 1140 /* Some error occurrerd that the Fusion wants logged. */ 1141 mpt_prt(mpt, "EvtLogData: IOCLogInfo: 0x%08x", msg->IOCLogInfo); 1142 mpt_prt(mpt, "EvtLogData: Event Data:"); 1143 for (i = 0; i < msg->EventDataLength; i++) { 1144 if ((i % 4) == 0) 1145 printf("%s:\t", device_xname(mpt->sc_dev)); 1146 printf("0x%08x%c", msg->Data[i], 1147 ((i % 4) == 3) ? '\n' : ' '); 1148 } 1149 if ((i % 4) != 0) 1150 printf("\n"); 1151 break; 1152 } 1153 1154 case MPI_EVENT_UNIT_ATTENTION: 1155 mpt_prt(mpt, "Unit Attn: Bus 0x%02x Target 0x%02x", 1156 (msg->Data[0] >> 8) & 0xff, msg->Data[0] & 0xff); 1157 break; 1158 1159 case MPI_EVENT_IOC_BUS_RESET: 1160 /* We generated a bus reset. */ 1161 mpt_prt(mpt, "IOC Bus Reset Port %d", 1162 (msg->Data[0] >> 8) & 0xff); 1163 break; 1164 1165 case MPI_EVENT_EXT_BUS_RESET: 1166 /* Someone else generated a bus reset. */ 1167 mpt_prt(mpt, "External Bus Reset"); 1168 /* 1169 * These replies don't return EventData like the MPI 1170 * spec says they do. 1171 */ 1172 /* XXX Send an async event? */ 1173 break; 1174 1175 case MPI_EVENT_RESCAN: 1176 /* 1177 * In general, thise means a device has been added 1178 * to the loop. 1179 */ 1180 mpt_prt(mpt, "Rescan Port %d", (msg->Data[0] >> 8) & 0xff); 1181 /* XXX Send an async event? */ 1182 break; 1183 1184 case MPI_EVENT_LINK_STATUS_CHANGE: 1185 mpt_prt(mpt, "Port %d: Link state %s", 1186 (msg->Data[1] >> 8) & 0xff, 1187 (msg->Data[0] & 0xff) == 0 ? "Failed" : "Active"); 1188 break; 1189 1190 case MPI_EVENT_LOOP_STATE_CHANGE: 1191 switch ((msg->Data[0] >> 16) & 0xff) { 1192 case 0x01: 1193 mpt_prt(mpt, 1194 "Port %d: FC Link Event: LIP(%02x,%02x) " 1195 "(Loop Initialization)", 1196 (msg->Data[1] >> 8) & 0xff, 1197 (msg->Data[0] >> 8) & 0xff, 1198 (msg->Data[0] ) & 0xff); 1199 switch ((msg->Data[0] >> 8) & 0xff) { 1200 case 0xf7: 1201 if ((msg->Data[0] & 0xff) == 0xf7) 1202 mpt_prt(mpt, "\tDevice needs AL_PA"); 1203 else 1204 mpt_prt(mpt, "\tDevice %02x doesn't " 1205 "like FC performance", 1206 msg->Data[0] & 0xff); 1207 break; 1208 1209 case 0xf8: 1210 if ((msg->Data[0] & 0xff) == 0xf7) 1211 mpt_prt(mpt, "\tDevice detected loop " 1212 "failure before acquiring AL_PA"); 1213 else 1214 mpt_prt(mpt, "\tDevice %02x detected " 1215 "loop failure", 1216 msg->Data[0] & 0xff); 1217 break; 1218 1219 default: 1220 mpt_prt(mpt, "\tDevice %02x requests that " 1221 "device %02x reset itself", 1222 msg->Data[0] & 0xff, 1223 (msg->Data[0] >> 8) & 0xff); 1224 break; 1225 } 1226 break; 1227 1228 case 0x02: 1229 mpt_prt(mpt, "Port %d: FC Link Event: LPE(%02x,%02x) " 1230 "(Loop Port Enable)", 1231 (msg->Data[1] >> 8) & 0xff, 1232 (msg->Data[0] >> 8) & 0xff, 1233 (msg->Data[0] ) & 0xff); 1234 break; 1235 1236 case 0x03: 1237 mpt_prt(mpt, "Port %d: FC Link Event: LPB(%02x,%02x) " 1238 "(Loop Port Bypass)", 1239 (msg->Data[1] >> 8) & 0xff, 1240 (msg->Data[0] >> 8) & 0xff, 1241 (msg->Data[0] ) & 0xff); 1242 break; 1243 1244 default: 1245 mpt_prt(mpt, "Port %d: FC Link Event: " 1246 "Unknown event (%02x %02x %02x)", 1247 (msg->Data[1] >> 8) & 0xff, 1248 (msg->Data[0] >> 16) & 0xff, 1249 (msg->Data[0] >> 8) & 0xff, 1250 (msg->Data[0] ) & 0xff); 1251 break; 1252 } 1253 break; 1254 1255 case MPI_EVENT_LOGOUT: 1256 mpt_prt(mpt, "Port %d: FC Logout: N_PortID: %02x", 1257 (msg->Data[1] >> 8) & 0xff, msg->Data[0]); 1258 break; 1259 1260 case MPI_EVENT_EVENT_CHANGE: 1261 /* 1262 * This is just an acknowledgement of our 1263 * mpt_send_event_request(). 1264 */ 1265 break; 1266 1267 case MPI_EVENT_SAS_PHY_LINK_STATUS: 1268 switch ((msg->Data[0] >> 12) & 0x0f) { 1269 case 0x00: 1270 mpt_prt(mpt, "Phy %d: Link Status Unknown", 1271 msg->Data[0] & 0xff); 1272 break; 1273 case 0x01: 1274 mpt_prt(mpt, "Phy %d: Link Disabled", 1275 msg->Data[0] & 0xff); 1276 break; 1277 case 0x02: 1278 mpt_prt(mpt, "Phy %d: Failed Speed Negotiation", 1279 msg->Data[0] & 0xff); 1280 break; 1281 case 0x03: 1282 mpt_prt(mpt, "Phy %d: SATA OOB Complete", 1283 msg->Data[0] & 0xff); 1284 break; 1285 case 0x08: 1286 mpt_prt(mpt, "Phy %d: Link Rate 1.5 Gbps", 1287 msg->Data[0] & 0xff); 1288 break; 1289 case 0x09: 1290 mpt_prt(mpt, "Phy %d: Link Rate 3.0 Gbps", 1291 msg->Data[0] & 0xff); 1292 break; 1293 default: 1294 mpt_prt(mpt, "Phy %d: SAS Phy Link Status Event: " 1295 "Unknown event (%0x)", 1296 msg->Data[0] & 0xff, (msg->Data[0] >> 8) & 0xff); 1297 } 1298 break; 1299 1300 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 1301 case MPI_EVENT_SAS_DISCOVERY: 1302 /* ignore these events for now */ 1303 break; 1304 1305 case MPI_EVENT_QUEUE_FULL: 1306 /* This can get a little chatty */ 1307 if (mpt->verbose > 0) 1308 mpt_prt(mpt, "Queue Full Event"); 1309 break; 1310 1311 default: 1312 mpt_prt(mpt, "Unknown async event: 0x%x", msg->Event); 1313 break; 1314 } 1315 1316 if (msg->AckRequired) { 1317 MSG_EVENT_ACK *ackp; 1318 request_t *req; 1319 1320 if ((req = mpt_get_request(mpt)) == NULL) { 1321 /* XXX XXX XXX XXXJRT */ 1322 panic("mpt_event_notify_reply: unable to allocate " 1323 "request structure"); 1324 } 1325 1326 ackp = (MSG_EVENT_ACK *) req->req_vbuf; 1327 memset(ackp, 0, sizeof(*ackp)); 1328 ackp->Function = MPI_FUNCTION_EVENT_ACK; 1329 ackp->Event = msg->Event; 1330 ackp->EventContext = msg->EventContext; 1331 ackp->MsgContext = htole32(req->index | 0x80000000); 1332 mpt_check_doorbell(mpt); 1333 mpt_send_cmd(mpt, req); 1334 } 1335 } 1336 1337 /* XXXJRT mpt_bus_reset() */ 1338 1339 /***************************************************************************** 1340 * SCSI interface routines 1341 *****************************************************************************/ 1342 1343 static void 1344 mpt_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 1345 void *arg) 1346 { 1347 struct scsipi_adapter *adapt = chan->chan_adapter; 1348 mpt_softc_t *mpt = DEV_TO_MPT(adapt->adapt_dev); 1349 1350 switch (req) { 1351 case ADAPTER_REQ_RUN_XFER: 1352 mpt_run_xfer(mpt, (struct scsipi_xfer *) arg); 1353 return; 1354 1355 case ADAPTER_REQ_GROW_RESOURCES: 1356 /* Not supported. */ 1357 return; 1358 1359 case ADAPTER_REQ_SET_XFER_MODE: 1360 mpt_set_xfer_mode(mpt, (struct scsipi_xfer_mode *) arg); 1361 return; 1362 } 1363 } 1364 1365 static void 1366 mpt_minphys(struct buf *bp) 1367 { 1368 1369 /* 1370 * Subtract one from the SGL limit, since we need an extra one to handle 1371 * an non-page-aligned transfer. 1372 */ 1373 #define MPT_MAX_XFER ((MPT_SGL_MAX - 1) * PAGE_SIZE) 1374 1375 if (bp->b_bcount > MPT_MAX_XFER) 1376 bp->b_bcount = MPT_MAX_XFER; 1377 minphys(bp); 1378 } 1379
Indexes created Wed Oct 01 13:09:50 GMT 2025