iopsp.c revision 1.16
1 /* $NetBSD: iopsp.c,v 1.16 2002/10/02 16:33:52 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Doran. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Raw SCSI device support for I2O. IOPs present SCSI devices individually; 41 * we group them by controlling port. 42 */ 43 44 #include <sys/cdefs.h> 45 __KERNEL_RCSID(0, "$NetBSD: iopsp.c,v 1.16 2002/10/02 16:33:52 thorpej Exp $"); 46 47 #include "opt_i2o.h" 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/kernel.h> 52 #include <sys/device.h> 53 #include <sys/queue.h> 54 #include <sys/proc.h> 55 #include <sys/buf.h> 56 #include <sys/endian.h> 57 #include <sys/malloc.h> 58 #include <sys/scsiio.h> 59 #include <sys/lock.h> 60 61 #include <machine/bswap.h> 62 #include <machine/bus.h> 63 64 #include <dev/scsipi/scsi_all.h> 65 #include <dev/scsipi/scsi_disk.h> 66 #include <dev/scsipi/scsipi_all.h> 67 #include <dev/scsipi/scsiconf.h> 68 #include <dev/scsipi/scsi_message.h> 69 70 #include <dev/i2o/i2o.h> 71 #include <dev/i2o/iopio.h> 72 #include <dev/i2o/iopvar.h> 73 #include <dev/i2o/iopspvar.h> 74 75 static void iopsp_adjqparam(struct device *, int); 76 static void iopsp_attach(struct device *, struct device *, void *); 77 static void iopsp_intr(struct device *, struct iop_msg *, void *); 78 static int iopsp_ioctl(struct scsipi_channel *, u_long, 79 caddr_t, int, struct proc *); 80 static int iopsp_match(struct device *, struct cfdata *, void *); 81 static int iopsp_rescan(struct iopsp_softc *); 82 static int iopsp_reconfig(struct device *); 83 static void iopsp_scsipi_request(struct scsipi_channel *, 84 scsipi_adapter_req_t, void *); 85 86 CFATTACH_DECL(iopsp, sizeof(struct iopsp_softc), 87 iopsp_match, iopsp_attach, NULL, NULL); 88 89 /* 90 * Match a supported device. 91 */ 92 static int 93 iopsp_match(struct device *parent, struct cfdata *match, void *aux) 94 { 95 struct iop_attach_args *ia; 96 struct { 97 struct i2o_param_op_results pr; 98 struct i2o_param_read_results prr; 99 struct i2o_param_hba_ctlr_info ci; 100 } __attribute__ ((__packed__)) param; 101 102 ia = aux; 103 104 if (ia->ia_class != I2O_CLASS_BUS_ADAPTER_PORT) 105 return (0); 106 107 if (iop_field_get_all((struct iop_softc *)parent, ia->ia_tid, 108 I2O_PARAM_HBA_CTLR_INFO, ¶m, sizeof(param), NULL) != 0) 109 return (0); 110 111 return (param.ci.bustype == I2O_HBA_BUS_SCSI || 112 param.ci.bustype == I2O_HBA_BUS_FCA); 113 } 114 115 /* 116 * Attach a supported device. 117 */ 118 static void 119 iopsp_attach(struct device *parent, struct device *self, void *aux) 120 { 121 struct iop_attach_args *ia; 122 struct iopsp_softc *sc; 123 struct iop_softc *iop; 124 struct { 125 struct i2o_param_op_results pr; 126 struct i2o_param_read_results prr; 127 union { 128 struct i2o_param_hba_ctlr_info ci; 129 struct i2o_param_hba_scsi_ctlr_info sci; 130 struct i2o_param_hba_scsi_port_info spi; 131 } p; 132 } __attribute__ ((__packed__)) param; 133 int fc, rv; 134 #ifdef I2OVERBOSE 135 int size; 136 #endif 137 138 ia = (struct iop_attach_args *)aux; 139 sc = (struct iopsp_softc *)self; 140 iop = (struct iop_softc *)parent; 141 142 /* Register us as an initiator. */ 143 sc->sc_ii.ii_dv = self; 144 sc->sc_ii.ii_intr = iopsp_intr; 145 sc->sc_ii.ii_flags = 0; 146 sc->sc_ii.ii_tid = ia->ia_tid; 147 sc->sc_ii.ii_reconfig = iopsp_reconfig; 148 sc->sc_ii.ii_adjqparam = iopsp_adjqparam; 149 iop_initiator_register(iop, &sc->sc_ii); 150 151 rv = iop_field_get_all(iop, ia->ia_tid, I2O_PARAM_HBA_CTLR_INFO, 152 ¶m, sizeof(param), NULL); 153 if (rv != 0) 154 goto bad; 155 156 fc = (param.p.ci.bustype == I2O_HBA_BUS_FCA); 157 158 /* 159 * Say what the device is. If we can find out what the controling 160 * device is, say what that is too. 161 */ 162 printf(": SCSI port"); 163 iop_print_ident(iop, ia->ia_tid); 164 printf("\n"); 165 166 rv = iop_field_get_all(iop, ia->ia_tid, I2O_PARAM_HBA_SCSI_CTLR_INFO, 167 ¶m, sizeof(param), NULL); 168 if (rv != 0) 169 goto bad; 170 171 #ifdef I2OVERBOSE 172 printf("%s: ", sc->sc_dv.dv_xname); 173 if (fc) 174 printf("FC"); 175 else 176 printf("%d-bit", param.p.sci.maxdatawidth); 177 printf(", max sync rate %dMHz, initiator ID %d\n", 178 (u_int32_t)le64toh(param.p.sci.maxsyncrate) / 1000, 179 le32toh(param.p.sci.initiatorid)); 180 #endif 181 182 sc->sc_adapter.adapt_dev = &sc->sc_dv; 183 sc->sc_adapter.adapt_nchannels = 1; 184 sc->sc_adapter.adapt_openings = 1; 185 sc->sc_adapter.adapt_max_periph = 1; 186 sc->sc_adapter.adapt_ioctl = iopsp_ioctl; 187 sc->sc_adapter.adapt_minphys = minphys; 188 sc->sc_adapter.adapt_request = iopsp_scsipi_request; 189 190 memset(&sc->sc_channel, 0, sizeof(sc->sc_channel)); 191 sc->sc_channel.chan_adapter = &sc->sc_adapter; 192 sc->sc_channel.chan_bustype = &scsi_bustype; 193 sc->sc_channel.chan_channel = 0; 194 sc->sc_channel.chan_ntargets = fc ? 195 IOPSP_MAX_FC_TARGET : param.p.sci.maxdatawidth; 196 sc->sc_channel.chan_nluns = IOPSP_MAX_LUN; 197 sc->sc_channel.chan_id = le32toh(param.p.sci.initiatorid); 198 sc->sc_channel.chan_flags = SCSIPI_CHAN_NOSETTLE; 199 200 #ifdef I2OVERBOSE 201 /* 202 * Allocate the target map. Currently used for informational 203 * purposes only. 204 */ 205 size = sc->sc_channel.chan_ntargets * sizeof(struct iopsp_target); 206 sc->sc_targetmap = malloc(size, M_DEVBUF, M_NOWAIT|M_ZERO); 207 #endif 208 209 /* Build the two maps, and attach to scsipi. */ 210 if (iopsp_reconfig(self) != 0) { 211 printf("%s: configure failed\n", sc->sc_dv.dv_xname); 212 goto bad; 213 } 214 config_found(self, &sc->sc_channel, scsiprint); 215 return; 216 217 bad: 218 iop_initiator_unregister(iop, &sc->sc_ii); 219 } 220 221 /* 222 * Scan the LCT to determine which devices we control, and enter them into 223 * the maps. 224 */ 225 static int 226 iopsp_reconfig(struct device *dv) 227 { 228 struct iopsp_softc *sc; 229 struct iop_softc *iop; 230 struct i2o_lct_entry *le; 231 struct scsipi_channel *sc_chan; 232 struct { 233 struct i2o_param_op_results pr; 234 struct i2o_param_read_results prr; 235 struct i2o_param_scsi_device_info sdi; 236 } __attribute__ ((__packed__)) param; 237 u_int tid, nent, i, targ, lun, size, s, rv, bptid; 238 u_short *tidmap; 239 #ifdef I2OVERBOSE 240 struct iopsp_target *it; 241 int syncrate; 242 #endif 243 244 sc = (struct iopsp_softc *)dv; 245 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 246 sc_chan = &sc->sc_channel; 247 248 /* Anything to do? */ 249 if (iop->sc_chgind == sc->sc_chgind) 250 return (0); 251 252 /* 253 * Allocate memory for the target/LUN -> TID map. Use zero to 254 * denote absent targets (zero is the TID of the I2O executive, 255 * and we never address that here). 256 */ 257 size = sc_chan->chan_ntargets * (IOPSP_MAX_LUN) * sizeof(u_short); 258 if ((tidmap = malloc(size, M_DEVBUF, M_WAITOK|M_ZERO)) == NULL) 259 return (ENOMEM); 260 261 #ifdef I2OVERBOSE 262 for (i = 0; i < sc_chan->chan_ntargets; i++) 263 sc->sc_targetmap[i].it_flags &= ~IT_PRESENT; 264 #endif 265 266 /* 267 * A quick hack to handle Intel's stacked bus port arrangement. 268 */ 269 bptid = sc->sc_ii.ii_tid; 270 nent = iop->sc_nlctent; 271 for (le = iop->sc_lct->entry; nent != 0; nent--, le++) 272 if ((le16toh(le->classid) & 4095) == 273 I2O_CLASS_BUS_ADAPTER_PORT && 274 (le32toh(le->usertid) & 4095) == bptid) { 275 bptid = le16toh(le->localtid) & 4095; 276 break; 277 } 278 279 nent = iop->sc_nlctent; 280 for (i = 0, le = iop->sc_lct->entry; i < nent; i++, le++) { 281 if ((le16toh(le->classid) & 4095) != I2O_CLASS_SCSI_PERIPHERAL) 282 continue; 283 if (((le32toh(le->usertid) >> 12) & 4095) != bptid) 284 continue; 285 tid = le16toh(le->localtid) & 4095; 286 287 rv = iop_field_get_all(iop, tid, I2O_PARAM_SCSI_DEVICE_INFO, 288 ¶m, sizeof(param), NULL); 289 if (rv != 0) 290 continue; 291 targ = le32toh(param.sdi.identifier); 292 lun = param.sdi.luninfo[1]; 293 #if defined(DIAGNOSTIC) || defined(I2ODEBUG) 294 if (targ >= sc_chan->chan_ntargets || 295 lun >= sc_chan->chan_nluns) { 296 printf("%s: target %d,%d (tid %d): bad target/LUN\n", 297 sc->sc_dv.dv_xname, targ, lun, tid); 298 continue; 299 } 300 #endif 301 302 #ifdef I2OVERBOSE 303 /* 304 * If we've already described this target, and nothing has 305 * changed, then don't describe it again. 306 */ 307 it = &sc->sc_targetmap[targ]; 308 it->it_flags |= IT_PRESENT; 309 syncrate = ((int)le64toh(param.sdi.negsyncrate) + 500) / 1000; 310 if (it->it_width == param.sdi.negdatawidth && 311 it->it_offset == param.sdi.negoffset && 312 it->it_syncrate == syncrate) 313 continue; 314 315 it->it_width = param.sdi.negdatawidth; 316 it->it_offset = param.sdi.negoffset; 317 it->it_syncrate = syncrate; 318 319 printf("%s: target %d (tid %d): %d-bit, ", sc->sc_dv.dv_xname, 320 targ, tid, it->it_width); 321 if (it->it_syncrate == 0) 322 printf("asynchronous\n"); 323 else 324 printf("synchronous at %dMHz, offset 0x%x\n", 325 it->it_syncrate, it->it_offset); 326 #endif 327 328 /* Ignore the device if it's in use by somebody else. */ 329 if ((le32toh(le->usertid) & 4095) != I2O_TID_NONE) { 330 #ifdef I2OVERBOSE 331 if (sc->sc_tidmap == NULL || 332 IOPSP_TIDMAP(sc->sc_tidmap, targ, lun) != 333 IOPSP_TID_INUSE) 334 printf("%s: target %d,%d (tid %d): in use by" 335 " tid %d\n", sc->sc_dv.dv_xname, 336 targ, lun, tid, 337 le32toh(le->usertid) & 4095); 338 #endif 339 IOPSP_TIDMAP(tidmap, targ, lun) = IOPSP_TID_INUSE; 340 } else 341 IOPSP_TIDMAP(tidmap, targ, lun) = (u_short)tid; 342 } 343 344 #ifdef I2OVERBOSE 345 for (i = 0; i < sc_chan->chan_ntargets; i++) 346 if ((sc->sc_targetmap[i].it_flags & IT_PRESENT) == 0) 347 sc->sc_targetmap[i].it_width = 0; 348 #endif 349 350 /* Swap in the new map and return. */ 351 s = splbio(); 352 if (sc->sc_tidmap != NULL) 353 free(sc->sc_tidmap, M_DEVBUF); 354 sc->sc_tidmap = tidmap; 355 splx(s); 356 sc->sc_chgind = iop->sc_chgind; 357 return (0); 358 } 359 360 /* 361 * Re-scan the bus; to be called from a higher level (e.g. scsipi). 362 */ 363 static int 364 iopsp_rescan(struct iopsp_softc *sc) 365 { 366 struct iop_softc *iop; 367 struct iop_msg *im; 368 struct i2o_hba_bus_scan mf; 369 int rv; 370 371 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 372 373 rv = lockmgr(&iop->sc_conflock, LK_EXCLUSIVE, NULL); 374 if (rv != 0) { 375 #ifdef I2ODEBUG 376 printf("iopsp_rescan: unable to acquire lock\n"); 377 #endif 378 return (rv); 379 } 380 381 im = iop_msg_alloc(iop, IM_WAIT); 382 383 mf.msgflags = I2O_MSGFLAGS(i2o_hba_bus_scan); 384 mf.msgfunc = I2O_MSGFUNC(sc->sc_ii.ii_tid, I2O_HBA_BUS_SCAN); 385 mf.msgictx = sc->sc_ii.ii_ictx; 386 mf.msgtctx = im->im_tctx; 387 388 rv = iop_msg_post(iop, im, &mf, 5*60*1000); 389 iop_msg_free(iop, im); 390 if (rv != 0) 391 printf("%s: bus rescan failed (error %d)\n", 392 sc->sc_dv.dv_xname, rv); 393 394 if ((rv = iop_lct_get(iop)) == 0) 395 rv = iopsp_reconfig(&sc->sc_dv); 396 397 lockmgr(&iop->sc_conflock, LK_RELEASE, NULL); 398 return (rv); 399 } 400 401 /* 402 * Start a SCSI command. 403 */ 404 static void 405 iopsp_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 406 void *arg) 407 { 408 struct scsipi_xfer *xs; 409 struct scsipi_periph *periph; 410 struct iopsp_softc *sc; 411 struct iop_msg *im; 412 struct iop_softc *iop; 413 struct i2o_scsi_scb_exec *mf; 414 int error, flags, tid, s; 415 u_int32_t mb[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 416 417 sc = (void *)chan->chan_adapter->adapt_dev; 418 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 419 420 switch (req) { 421 case ADAPTER_REQ_RUN_XFER: 422 xs = arg; 423 periph = xs->xs_periph; 424 flags = xs->xs_control; 425 426 tid = IOPSP_TIDMAP(sc->sc_tidmap, periph->periph_target, 427 periph->periph_lun); 428 if (tid == IOPSP_TID_ABSENT || tid == IOPSP_TID_INUSE) { 429 xs->error = XS_SELTIMEOUT; 430 scsipi_done(xs); 431 return; 432 } 433 434 SC_DEBUG(periph, SCSIPI_DB2, ("iopsp_scsi_request run_xfer\n")); 435 436 /* Need to reset the target? */ 437 if ((flags & XS_CTL_RESET) != 0) { 438 if (iop_simple_cmd(iop, tid, I2O_SCSI_DEVICE_RESET, 439 sc->sc_ii.ii_ictx, 1, 30*1000) != 0) { 440 #ifdef I2ODEBUG 441 printf("%s: reset failed\n", 442 sc->sc_dv.dv_xname); 443 #endif 444 xs->error = XS_DRIVER_STUFFUP; 445 } else 446 xs->error = XS_NOERROR; 447 448 scsipi_done(xs); 449 return; 450 } 451 452 #if defined(I2ODEBUG) || defined(SCSIDEBUG) 453 if (xs->cmdlen > sizeof(mf->cdb)) 454 panic("%s: CDB too large", sc->sc_dv.dv_xname); 455 #endif 456 457 im = iop_msg_alloc(iop, IM_POLL_INTR | 458 IM_NOSTATUS | ((flags & XS_CTL_POLL) != 0 ? IM_POLL : 0)); 459 im->im_dvcontext = xs; 460 461 mf = (struct i2o_scsi_scb_exec *)mb; 462 mf->msgflags = I2O_MSGFLAGS(i2o_scsi_scb_exec); 463 mf->msgfunc = I2O_MSGFUNC(tid, I2O_SCSI_SCB_EXEC); 464 mf->msgictx = sc->sc_ii.ii_ictx; 465 mf->msgtctx = im->im_tctx; 466 mf->flags = xs->cmdlen | I2O_SCB_FLAG_ENABLE_DISCONNECT | 467 I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; 468 mf->datalen = xs->datalen; 469 memcpy(mf->cdb, xs->cmd, xs->cmdlen); 470 471 switch (xs->xs_tag_type) { 472 case MSG_ORDERED_Q_TAG: 473 mf->flags |= I2O_SCB_FLAG_ORDERED_QUEUE_TAG; 474 break; 475 case MSG_SIMPLE_Q_TAG: 476 mf->flags |= I2O_SCB_FLAG_SIMPLE_QUEUE_TAG; 477 break; 478 case MSG_HEAD_OF_Q_TAG: 479 mf->flags |= I2O_SCB_FLAG_HEAD_QUEUE_TAG; 480 break; 481 default: 482 break; 483 } 484 485 if (xs->datalen != 0) { 486 error = iop_msg_map_bio(iop, im, mb, xs->data, 487 xs->datalen, (flags & XS_CTL_DATA_OUT) == 0); 488 if (error) { 489 xs->error = XS_DRIVER_STUFFUP; 490 iop_msg_free(iop, im); 491 scsipi_done(xs); 492 return; 493 } 494 if ((flags & XS_CTL_DATA_IN) == 0) 495 mf->flags |= I2O_SCB_FLAG_XFER_TO_DEVICE; 496 else 497 mf->flags |= I2O_SCB_FLAG_XFER_FROM_DEVICE; 498 } 499 500 s = splbio(); 501 sc->sc_curqd++; 502 splx(s); 503 504 if (iop_msg_post(iop, im, mb, xs->timeout)) { 505 s = splbio(); 506 sc->sc_curqd--; 507 splx(s); 508 if (xs->datalen != 0) 509 iop_msg_unmap(iop, im); 510 iop_msg_free(iop, im); 511 xs->error = XS_DRIVER_STUFFUP; 512 scsipi_done(xs); 513 } 514 break; 515 516 case ADAPTER_REQ_GROW_RESOURCES: 517 /* 518 * Not supported. 519 */ 520 break; 521 522 case ADAPTER_REQ_SET_XFER_MODE: 523 /* 524 * The DDM takes care of this, and we can't modify its 525 * behaviour. 526 */ 527 break; 528 } 529 } 530 531 #ifdef notyet 532 /* 533 * Abort the specified I2O_SCSI_SCB_EXEC message and its associated SCB. 534 */ 535 static int 536 iopsp_scsi_abort(struct iopsp_softc *sc, int atid, struct iop_msg *aim) 537 { 538 struct iop_msg *im; 539 struct i2o_scsi_scb_abort mf; 540 struct iop_softc *iop; 541 int rv, s; 542 543 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 544 im = iop_msg_alloc(iop, IM_POLL); 545 546 mf.msgflags = I2O_MSGFLAGS(i2o_scsi_scb_abort); 547 mf.msgfunc = I2O_MSGFUNC(atid, I2O_SCSI_SCB_ABORT); 548 mf.msgictx = sc->sc_ii.ii_ictx; 549 mf.msgtctx = im->im_tctx; 550 mf.tctxabort = aim->im_tctx; 551 552 s = splbio(); 553 rv = iop_msg_post(iop, im, &mf, 30000); 554 splx(s); 555 iop_msg_free(iop, im); 556 return (rv); 557 } 558 #endif 559 560 /* 561 * We have a message which has been processed and replied to by the IOP - 562 * deal with it. 563 */ 564 static void 565 iopsp_intr(struct device *dv, struct iop_msg *im, void *reply) 566 { 567 struct scsipi_xfer *xs; 568 struct iopsp_softc *sc; 569 struct i2o_scsi_reply *rb; 570 struct iop_softc *iop; 571 u_int sl; 572 573 sc = (struct iopsp_softc *)dv; 574 xs = (struct scsipi_xfer *)im->im_dvcontext; 575 iop = (struct iop_softc *)dv->dv_parent; 576 rb = reply; 577 578 SC_DEBUG(xs->xs_periph, SCSIPI_DB2, ("iopsp_intr\n")); 579 580 if ((rb->msgflags & I2O_MSGFLAGS_FAIL) != 0) { 581 xs->error = XS_DRIVER_STUFFUP; 582 xs->resid = xs->datalen; 583 } else { 584 if (rb->hbastatus != I2O_SCSI_DSC_SUCCESS) { 585 switch (rb->hbastatus) { 586 case I2O_SCSI_DSC_ADAPTER_BUSY: 587 case I2O_SCSI_DSC_SCSI_BUS_RESET: 588 case I2O_SCSI_DSC_BUS_BUSY: 589 xs->error = XS_BUSY; 590 break; 591 case I2O_SCSI_DSC_SELECTION_TIMEOUT: 592 xs->error = XS_SELTIMEOUT; 593 break; 594 case I2O_SCSI_DSC_COMMAND_TIMEOUT: 595 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT: 596 case I2O_SCSI_DSC_LUN_INVALID: 597 case I2O_SCSI_DSC_SCSI_TID_INVALID: 598 xs->error = XS_TIMEOUT; 599 break; 600 default: 601 xs->error = XS_DRIVER_STUFFUP; 602 break; 603 } 604 printf("%s: HBA status 0x%02x\n", sc->sc_dv.dv_xname, 605 rb->hbastatus); 606 } else if (rb->scsistatus != SCSI_OK) { 607 switch (rb->scsistatus) { 608 case SCSI_CHECK: 609 xs->error = XS_SENSE; 610 sl = le32toh(rb->senselen); 611 if (sl > sizeof(xs->sense.scsi_sense)) 612 sl = sizeof(xs->sense.scsi_sense); 613 memcpy(&xs->sense.scsi_sense, rb->sense, sl); 614 break; 615 case SCSI_QUEUE_FULL: 616 case SCSI_BUSY: 617 xs->error = XS_BUSY; 618 break; 619 default: 620 xs->error = XS_DRIVER_STUFFUP; 621 break; 622 } 623 } else 624 xs->error = XS_NOERROR; 625 626 xs->resid = xs->datalen - le32toh(rb->datalen); 627 xs->status = rb->scsistatus; 628 } 629 630 /* Free the message wrapper and pass the news to scsipi. */ 631 if (xs->datalen != 0) 632 iop_msg_unmap(iop, im); 633 iop_msg_free(iop, im); 634 635 if (--sc->sc_curqd == sc->sc_adapter.adapt_openings) 636 wakeup(&sc->sc_curqd); 637 638 scsipi_done(xs); 639 } 640 641 /* 642 * ioctl hook; used here only to initiate low-level rescans. 643 */ 644 static int 645 iopsp_ioctl(struct scsipi_channel *chan, u_long cmd, caddr_t data, int flag, 646 struct proc *p) 647 { 648 int rv; 649 650 switch (cmd) { 651 case SCBUSIOLLSCAN: 652 /* 653 * If it's boot time, the bus will have been scanned and the 654 * maps built. Locking would stop re-configuration, but we 655 * want to fake success. 656 */ 657 if (p != &proc0) 658 rv = iopsp_rescan( 659 (struct iopsp_softc *)chan->chan_adapter->adapt_dev); 660 else 661 rv = 0; 662 break; 663 664 default: 665 rv = ENOTTY; 666 break; 667 } 668 669 return (rv); 670 } 671 672 /* 673 * The number of openings available to us has changed, so inform scsipi. 674 */ 675 static void 676 iopsp_adjqparam(struct device *dv, int mpi) 677 { 678 struct iopsp_softc *sc; 679 int s; 680 681 sc = (struct iopsp_softc *)dv; 682 683 s = splbio(); 684 sc->sc_adapter.adapt_openings = mpi; 685 if (mpi < sc->sc_curqd) 686 tsleep(&sc->sc_curqd, PWAIT, "iopspdrn", 0); 687 splx(s); 688 } 689
Indexes created Tue Sep 30 17:09:57 GMT 2025