iopsp.c revision 1.4.2.7
1 /* $NetBSD: iopsp.c,v 1.4.2.7 2002/02/28 04:13:18 nathanw 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 1.4.2.7 2002/02/28 04:13:18 nathanw 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/lwp.h> 55 #include <sys/proc.h> 56 #include <sys/buf.h> 57 #include <sys/endian.h> 58 #include <sys/malloc.h> 59 #include <sys/scsiio.h> 60 #include <sys/lock.h> 61 62 #include <machine/bswap.h> 63 #include <machine/bus.h> 64 65 #include <dev/scsipi/scsi_all.h> 66 #include <dev/scsipi/scsi_disk.h> 67 #include <dev/scsipi/scsipi_all.h> 68 #include <dev/scsipi/scsiconf.h> 69 #include <dev/scsipi/scsi_message.h> 70 71 #include <dev/i2o/i2o.h> 72 #include <dev/i2o/iopio.h> 73 #include <dev/i2o/iopvar.h> 74 #include <dev/i2o/iopspvar.h> 75 76 static void iopsp_adjqparam(struct device *, int); 77 static void iopsp_attach(struct device *, struct device *, void *); 78 static void iopsp_intr(struct device *, struct iop_msg *, void *); 79 static int iopsp_ioctl(struct scsipi_channel *, u_long, 80 caddr_t, int, struct proc *); 81 static int iopsp_match(struct device *, struct cfdata *, void *); 82 static int iopsp_rescan(struct iopsp_softc *); 83 static int iopsp_reconfig(struct device *); 84 static void iopsp_scsipi_request(struct scsipi_channel *, 85 scsipi_adapter_req_t, void *); 86 87 struct cfattach iopsp_ca = { 88 sizeof(struct iopsp_softc), iopsp_match, iopsp_attach 89 }; 90 91 /* 92 * Match a supported device. 93 */ 94 static int 95 iopsp_match(struct device *parent, struct cfdata *match, void *aux) 96 { 97 struct iop_attach_args *ia; 98 struct { 99 struct i2o_param_op_results pr; 100 struct i2o_param_read_results prr; 101 struct i2o_param_hba_ctlr_info ci; 102 } __attribute__ ((__packed__)) param; 103 104 ia = aux; 105 106 if (ia->ia_class != I2O_CLASS_BUS_ADAPTER_PORT) 107 return (0); 108 109 if (iop_field_get_all((struct iop_softc *)parent, ia->ia_tid, 110 I2O_PARAM_HBA_CTLR_INFO, ¶m, sizeof(param), NULL) != 0) 111 return (0); 112 113 return (param.ci.bustype == I2O_HBA_BUS_SCSI || 114 param.ci.bustype == I2O_HBA_BUS_FCA); 115 } 116 117 /* 118 * Attach a supported device. 119 */ 120 static void 121 iopsp_attach(struct device *parent, struct device *self, void *aux) 122 { 123 struct iop_attach_args *ia; 124 struct iopsp_softc *sc; 125 struct iop_softc *iop; 126 struct { 127 struct i2o_param_op_results pr; 128 struct i2o_param_read_results prr; 129 union { 130 struct i2o_param_hba_ctlr_info ci; 131 struct i2o_param_hba_scsi_ctlr_info sci; 132 struct i2o_param_hba_scsi_port_info spi; 133 } p; 134 } __attribute__ ((__packed__)) param; 135 int fc, rv; 136 #ifdef I2OVERBOSE 137 int size; 138 #endif 139 140 ia = (struct iop_attach_args *)aux; 141 sc = (struct iopsp_softc *)self; 142 iop = (struct iop_softc *)parent; 143 144 /* Register us as an initiator. */ 145 sc->sc_ii.ii_dv = self; 146 sc->sc_ii.ii_intr = iopsp_intr; 147 sc->sc_ii.ii_flags = 0; 148 sc->sc_ii.ii_tid = ia->ia_tid; 149 sc->sc_ii.ii_reconfig = iopsp_reconfig; 150 sc->sc_ii.ii_adjqparam = iopsp_adjqparam; 151 iop_initiator_register(iop, &sc->sc_ii); 152 153 rv = iop_field_get_all(iop, ia->ia_tid, I2O_PARAM_HBA_CTLR_INFO, 154 ¶m, sizeof(param), NULL); 155 if (rv != 0) 156 goto bad; 157 158 fc = (param.p.ci.bustype == I2O_HBA_BUS_FCA); 159 160 /* 161 * Say what the device is. If we can find out what the controling 162 * device is, say what that is too. 163 */ 164 printf(": SCSI port"); 165 iop_print_ident(iop, ia->ia_tid); 166 printf("\n"); 167 168 rv = iop_field_get_all(iop, ia->ia_tid, I2O_PARAM_HBA_SCSI_CTLR_INFO, 169 ¶m, sizeof(param), NULL); 170 if (rv != 0) 171 goto bad; 172 173 #ifdef I2OVERBOSE 174 printf("%s: ", sc->sc_dv.dv_xname); 175 if (fc) 176 printf("FC"); 177 else 178 printf("%d-bit", param.p.sci.maxdatawidth); 179 printf(", max sync rate %dMHz, initiator ID %d\n", 180 (u_int32_t)le64toh(param.p.sci.maxsyncrate) / 1000, 181 le32toh(param.p.sci.initiatorid)); 182 #endif 183 184 sc->sc_adapter.adapt_dev = &sc->sc_dv; 185 sc->sc_adapter.adapt_nchannels = 1; 186 sc->sc_adapter.adapt_openings = 1; 187 sc->sc_adapter.adapt_max_periph = 1; 188 sc->sc_adapter.adapt_ioctl = iopsp_ioctl; 189 sc->sc_adapter.adapt_minphys = minphys; 190 sc->sc_adapter.adapt_request = iopsp_scsipi_request; 191 192 memset(&sc->sc_channel, 0, sizeof(sc->sc_channel)); 193 sc->sc_channel.chan_adapter = &sc->sc_adapter; 194 sc->sc_channel.chan_bustype = &scsi_bustype; 195 sc->sc_channel.chan_channel = 0; 196 sc->sc_channel.chan_ntargets = fc ? 197 IOPSP_MAX_FC_TARGET : param.p.sci.maxdatawidth; 198 sc->sc_channel.chan_nluns = IOPSP_MAX_LUN; 199 sc->sc_channel.chan_id = le32toh(param.p.sci.initiatorid); 200 sc->sc_channel.chan_flags = SCSIPI_CHAN_NOSETTLE; 201 202 #ifdef I2OVERBOSE 203 /* 204 * Allocate the target map. Currently used for informational 205 * purposes only. 206 */ 207 size = sc->sc_channel.chan_ntargets * sizeof(struct iopsp_target); 208 sc->sc_targetmap = malloc(size, M_DEVBUF, M_NOWAIT|M_ZERO); 209 #endif 210 211 /* Build the two maps, and attach to scsipi. */ 212 if (iopsp_reconfig(self) != 0) { 213 printf("%s: configure failed\n", sc->sc_dv.dv_xname); 214 goto bad; 215 } 216 config_found(self, &sc->sc_channel, scsiprint); 217 return; 218 219 bad: 220 iop_initiator_unregister(iop, &sc->sc_ii); 221 } 222 223 /* 224 * Scan the LCT to determine which devices we control, and enter them into 225 * the maps. 226 */ 227 static int 228 iopsp_reconfig(struct device *dv) 229 { 230 struct iopsp_softc *sc; 231 struct iop_softc *iop; 232 struct i2o_lct_entry *le; 233 struct scsipi_channel *sc_chan; 234 struct { 235 struct i2o_param_op_results pr; 236 struct i2o_param_read_results prr; 237 struct i2o_param_scsi_device_info sdi; 238 } __attribute__ ((__packed__)) param; 239 u_int tid, nent, i, targ, lun, size, s, rv, bptid; 240 u_short *tidmap; 241 #ifdef I2OVERBOSE 242 struct iopsp_target *it; 243 int syncrate; 244 #endif 245 246 sc = (struct iopsp_softc *)dv; 247 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 248 sc_chan = &sc->sc_channel; 249 250 /* Anything to do? */ 251 if (iop->sc_chgind == sc->sc_chgind) 252 return (0); 253 254 /* 255 * Allocate memory for the target/LUN -> TID map. Use zero to 256 * denote absent targets (zero is the TID of the I2O executive, 257 * and we never address that here). 258 */ 259 size = sc_chan->chan_ntargets * (IOPSP_MAX_LUN) * sizeof(u_short); 260 if ((tidmap = malloc(size, M_DEVBUF, M_WAITOK|M_ZERO)) == NULL) 261 return (ENOMEM); 262 263 #ifdef I2OVERBOSE 264 for (i = 0; i < sc_chan->chan_ntargets; i++) 265 sc->sc_targetmap[i].it_flags &= ~IT_PRESENT; 266 #endif 267 268 /* 269 * A quick hack to handle Intel's stacked bus port arrangement. 270 */ 271 bptid = sc->sc_ii.ii_tid; 272 nent = iop->sc_nlctent; 273 for (le = iop->sc_lct->entry; nent != 0; nent--, le++) 274 if ((le16toh(le->classid) & 4095) == 275 I2O_CLASS_BUS_ADAPTER_PORT && 276 (le32toh(le->usertid) & 4095) == bptid) { 277 bptid = le16toh(le->localtid) & 4095; 278 break; 279 } 280 281 nent = iop->sc_nlctent; 282 for (i = 0, le = iop->sc_lct->entry; i < nent; i++, le++) { 283 if ((le16toh(le->classid) & 4095) != I2O_CLASS_SCSI_PERIPHERAL) 284 continue; 285 if (((le32toh(le->usertid) >> 12) & 4095) != bptid) 286 continue; 287 tid = le16toh(le->localtid) & 4095; 288 289 rv = iop_field_get_all(iop, tid, I2O_PARAM_SCSI_DEVICE_INFO, 290 ¶m, sizeof(param), NULL); 291 if (rv != 0) 292 continue; 293 targ = le32toh(param.sdi.identifier); 294 lun = param.sdi.luninfo[1]; 295 #if defined(DIAGNOSTIC) || defined(I2ODEBUG) 296 if (targ >= sc_chan->chan_ntargets || 297 lun >= sc_chan->chan_nluns) { 298 printf("%s: target %d,%d (tid %d): bad target/LUN\n", 299 sc->sc_dv.dv_xname, targ, lun, tid); 300 continue; 301 } 302 #endif 303 304 #ifdef I2OVERBOSE 305 /* 306 * If we've already described this target, and nothing has 307 * changed, then don't describe it again. 308 */ 309 it = &sc->sc_targetmap[targ]; 310 it->it_flags |= IT_PRESENT; 311 syncrate = ((int)le64toh(param.sdi.negsyncrate) + 500) / 1000; 312 if (it->it_width == param.sdi.negdatawidth && 313 it->it_offset == param.sdi.negoffset && 314 it->it_syncrate == syncrate) 315 continue; 316 317 it->it_width = param.sdi.negdatawidth; 318 it->it_offset = param.sdi.negoffset; 319 it->it_syncrate = syncrate; 320 321 printf("%s: target %d (tid %d): %d-bit, ", sc->sc_dv.dv_xname, 322 targ, tid, it->it_width); 323 if (it->it_syncrate == 0) 324 printf("asynchronous\n"); 325 else 326 printf("synchronous at %dMHz, offset 0x%x\n", 327 it->it_syncrate, it->it_offset); 328 #endif 329 330 /* Ignore the device if it's in use by somebody else. */ 331 if ((le32toh(le->usertid) & 4095) != I2O_TID_NONE) { 332 #ifdef I2OVERBOSE 333 if (sc->sc_tidmap == NULL || 334 IOPSP_TIDMAP(sc->sc_tidmap, targ, lun) != 335 IOPSP_TID_INUSE) 336 printf("%s: target %d,%d (tid %d): in use by" 337 " tid %d\n", sc->sc_dv.dv_xname, 338 targ, lun, tid, 339 le32toh(le->usertid) & 4095); 340 #endif 341 IOPSP_TIDMAP(tidmap, targ, lun) = IOPSP_TID_INUSE; 342 } else 343 IOPSP_TIDMAP(tidmap, targ, lun) = (u_short)tid; 344 } 345 346 #ifdef I2OVERBOSE 347 for (i = 0; i < sc_chan->chan_ntargets; i++) 348 if ((sc->sc_targetmap[i].it_flags & IT_PRESENT) == 0) 349 sc->sc_targetmap[i].it_width = 0; 350 #endif 351 352 /* Swap in the new map and return. */ 353 s = splbio(); 354 if (sc->sc_tidmap != NULL) 355 free(sc->sc_tidmap, M_DEVBUF); 356 sc->sc_tidmap = tidmap; 357 splx(s); 358 sc->sc_chgind = iop->sc_chgind; 359 return (0); 360 } 361 362 /* 363 * Re-scan the bus; to be called from a higher level (e.g. scsipi). 364 */ 365 static int 366 iopsp_rescan(struct iopsp_softc *sc) 367 { 368 struct iop_softc *iop; 369 struct iop_msg *im; 370 struct i2o_hba_bus_scan mf; 371 int rv; 372 373 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 374 375 rv = lockmgr(&iop->sc_conflock, LK_EXCLUSIVE, NULL); 376 if (rv != 0) { 377 #ifdef I2ODEBUG 378 printf("iopsp_rescan: unable to acquire lock\n"); 379 #endif 380 return (rv); 381 } 382 383 im = iop_msg_alloc(iop, IM_WAIT); 384 385 mf.msgflags = I2O_MSGFLAGS(i2o_hba_bus_scan); 386 mf.msgfunc = I2O_MSGFUNC(sc->sc_ii.ii_tid, I2O_HBA_BUS_SCAN); 387 mf.msgictx = sc->sc_ii.ii_ictx; 388 mf.msgtctx = im->im_tctx; 389 390 rv = iop_msg_post(iop, im, &mf, 5*60*1000); 391 iop_msg_free(iop, im); 392 if (rv != 0) 393 printf("%s: bus rescan failed (error %d)\n", 394 sc->sc_dv.dv_xname, rv); 395 396 if ((rv = iop_lct_get(iop)) == 0) 397 rv = iopsp_reconfig(&sc->sc_dv); 398 399 lockmgr(&iop->sc_conflock, LK_RELEASE, NULL); 400 return (rv); 401 } 402 403 /* 404 * Start a SCSI command. 405 */ 406 static void 407 iopsp_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 408 void *arg) 409 { 410 struct scsipi_xfer *xs; 411 struct scsipi_periph *periph; 412 struct iopsp_softc *sc; 413 struct iop_msg *im; 414 struct iop_softc *iop; 415 struct i2o_scsi_scb_exec *mf; 416 int error, flags, tid, s; 417 u_int32_t mb[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 418 419 sc = (void *)chan->chan_adapter->adapt_dev; 420 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 421 422 switch (req) { 423 case ADAPTER_REQ_RUN_XFER: 424 xs = arg; 425 periph = xs->xs_periph; 426 flags = xs->xs_control; 427 428 tid = IOPSP_TIDMAP(sc->sc_tidmap, periph->periph_target, 429 periph->periph_lun); 430 if (tid == IOPSP_TID_ABSENT || tid == IOPSP_TID_INUSE) { 431 xs->error = XS_SELTIMEOUT; 432 scsipi_done(xs); 433 return; 434 } 435 436 SC_DEBUG(periph, SCSIPI_DB2, ("iopsp_scsi_request run_xfer\n")); 437 438 /* Need to reset the target? */ 439 if ((flags & XS_CTL_RESET) != 0) { 440 if (iop_simple_cmd(iop, tid, I2O_SCSI_DEVICE_RESET, 441 sc->sc_ii.ii_ictx, 1, 30*1000) != 0) { 442 #ifdef I2ODEBUG 443 printf("%s: reset failed\n", 444 sc->sc_dv.dv_xname); 445 #endif 446 xs->error = XS_DRIVER_STUFFUP; 447 } else 448 xs->error = XS_NOERROR; 449 450 scsipi_done(xs); 451 return; 452 } 453 454 #if defined(I2ODEBUG) || defined(SCSIDEBUG) 455 if (xs->cmdlen > sizeof(mf->cdb)) 456 panic("%s: CDB too large\n", sc->sc_dv.dv_xname); 457 #endif 458 459 im = iop_msg_alloc(iop, IM_POLL_INTR | 460 IM_NOSTATUS | ((flags & XS_CTL_POLL) != 0 ? IM_POLL : 0)); 461 im->im_dvcontext = xs; 462 463 mf = (struct i2o_scsi_scb_exec *)mb; 464 mf->msgflags = I2O_MSGFLAGS(i2o_scsi_scb_exec); 465 mf->msgfunc = I2O_MSGFUNC(tid, I2O_SCSI_SCB_EXEC); 466 mf->msgictx = sc->sc_ii.ii_ictx; 467 mf->msgtctx = im->im_tctx; 468 mf->flags = xs->cmdlen | I2O_SCB_FLAG_ENABLE_DISCONNECT | 469 I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; 470 mf->datalen = xs->datalen; 471 memcpy(mf->cdb, xs->cmd, xs->cmdlen); 472 473 switch (xs->xs_tag_type) { 474 case MSG_ORDERED_Q_TAG: 475 mf->flags |= I2O_SCB_FLAG_ORDERED_QUEUE_TAG; 476 break; 477 case MSG_SIMPLE_Q_TAG: 478 mf->flags |= I2O_SCB_FLAG_SIMPLE_QUEUE_TAG; 479 break; 480 case MSG_HEAD_OF_Q_TAG: 481 mf->flags |= I2O_SCB_FLAG_HEAD_QUEUE_TAG; 482 break; 483 default: 484 break; 485 } 486 487 if (xs->datalen != 0) { 488 error = iop_msg_map_bio(iop, im, mb, xs->data, 489 xs->datalen, (flags & XS_CTL_DATA_OUT) == 0); 490 if (error) { 491 xs->error = XS_DRIVER_STUFFUP; 492 iop_msg_free(iop, im); 493 scsipi_done(xs); 494 return; 495 } 496 if ((flags & XS_CTL_DATA_IN) == 0) 497 mf->flags |= I2O_SCB_FLAG_XFER_TO_DEVICE; 498 else 499 mf->flags |= I2O_SCB_FLAG_XFER_FROM_DEVICE; 500 } 501 502 s = splbio(); 503 sc->sc_curqd++; 504 splx(s); 505 506 if (iop_msg_post(iop, im, mb, xs->timeout)) { 507 s = splbio(); 508 sc->sc_curqd--; 509 splx(s); 510 if (xs->datalen != 0) 511 iop_msg_unmap(iop, im); 512 iop_msg_free(iop, im); 513 xs->error = XS_DRIVER_STUFFUP; 514 scsipi_done(xs); 515 } 516 break; 517 518 case ADAPTER_REQ_GROW_RESOURCES: 519 /* 520 * Not supported. 521 */ 522 break; 523 524 case ADAPTER_REQ_SET_XFER_MODE: 525 /* 526 * The DDM takes care of this, and we can't modify its 527 * behaviour. 528 */ 529 break; 530 } 531 } 532 533 #ifdef notyet 534 /* 535 * Abort the specified I2O_SCSI_SCB_EXEC message and its associated SCB. 536 */ 537 static int 538 iopsp_scsi_abort(struct iopsp_softc *sc, int atid, struct iop_msg *aim) 539 { 540 struct iop_msg *im; 541 struct i2o_scsi_scb_abort mf; 542 struct iop_softc *iop; 543 int rv, s; 544 545 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 546 im = iop_msg_alloc(iop, IM_POLL); 547 548 mf.msgflags = I2O_MSGFLAGS(i2o_scsi_scb_abort); 549 mf.msgfunc = I2O_MSGFUNC(atid, I2O_SCSI_SCB_ABORT); 550 mf.msgictx = sc->sc_ii.ii_ictx; 551 mf.msgtctx = im->im_tctx; 552 mf.tctxabort = aim->im_tctx; 553 554 s = splbio(); 555 rv = iop_msg_post(iop, im, &mf, 30000); 556 splx(s); 557 iop_msg_free(iop, im); 558 return (rv); 559 } 560 #endif 561 562 /* 563 * We have a message which has been processed and replied to by the IOP - 564 * deal with it. 565 */ 566 static void 567 iopsp_intr(struct device *dv, struct iop_msg *im, void *reply) 568 { 569 struct scsipi_xfer *xs; 570 struct iopsp_softc *sc; 571 struct i2o_scsi_reply *rb; 572 struct iop_softc *iop; 573 u_int sl; 574 575 sc = (struct iopsp_softc *)dv; 576 xs = (struct scsipi_xfer *)im->im_dvcontext; 577 iop = (struct iop_softc *)dv->dv_parent; 578 rb = reply; 579 580 SC_DEBUG(xs->xs_periph, SCSIPI_DB2, ("iopsp_intr\n")); 581 582 if ((rb->msgflags & I2O_MSGFLAGS_FAIL) != 0) { 583 xs->error = XS_DRIVER_STUFFUP; 584 xs->resid = xs->datalen; 585 } else { 586 if (rb->hbastatus != I2O_SCSI_DSC_SUCCESS) { 587 switch (rb->hbastatus) { 588 case I2O_SCSI_DSC_ADAPTER_BUSY: 589 case I2O_SCSI_DSC_SCSI_BUS_RESET: 590 case I2O_SCSI_DSC_BUS_BUSY: 591 xs->error = XS_BUSY; 592 break; 593 case I2O_SCSI_DSC_SELECTION_TIMEOUT: 594 xs->error = XS_SELTIMEOUT; 595 break; 596 case I2O_SCSI_DSC_COMMAND_TIMEOUT: 597 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT: 598 case I2O_SCSI_DSC_LUN_INVALID: 599 case I2O_SCSI_DSC_SCSI_TID_INVALID: 600 xs->error = XS_TIMEOUT; 601 break; 602 default: 603 xs->error = XS_DRIVER_STUFFUP; 604 break; 605 } 606 printf("%s: HBA status 0x%02x\n", sc->sc_dv.dv_xname, 607 rb->hbastatus); 608 } else if (rb->scsistatus != SCSI_OK) { 609 switch (rb->scsistatus) { 610 case SCSI_CHECK: 611 xs->error = XS_SENSE; 612 sl = le32toh(rb->senselen); 613 if (sl > sizeof(xs->sense.scsi_sense)) 614 sl = sizeof(xs->sense.scsi_sense); 615 memcpy(&xs->sense.scsi_sense, rb->sense, sl); 616 break; 617 case SCSI_QUEUE_FULL: 618 case SCSI_BUSY: 619 xs->error = XS_BUSY; 620 break; 621 default: 622 xs->error = XS_DRIVER_STUFFUP; 623 break; 624 } 625 } else 626 xs->error = XS_NOERROR; 627 628 xs->resid = xs->datalen - le32toh(rb->datalen); 629 xs->status = rb->scsistatus; 630 } 631 632 /* Free the message wrapper and pass the news to scsipi. */ 633 if (xs->datalen != 0) 634 iop_msg_unmap(iop, im); 635 iop_msg_free(iop, im); 636 637 if (--sc->sc_curqd == sc->sc_adapter.adapt_openings) 638 wakeup(&sc->sc_curqd); 639 640 scsipi_done(xs); 641 } 642 643 /* 644 * ioctl hook; used here only to initiate low-level rescans. 645 */ 646 static int 647 iopsp_ioctl(struct scsipi_channel *chan, u_long cmd, caddr_t data, int flag, 648 struct proc *p) 649 { 650 int rv; 651 652 switch (cmd) { 653 case SCBUSIOLLSCAN: 654 /* 655 * If it's boot time, the bus will have been scanned and the 656 * maps built. Locking would stop re-configuration, but we 657 * want to fake success. 658 */ 659 if (p != &proc0) 660 rv = iopsp_rescan( 661 (struct iopsp_softc *)chan->chan_adapter->adapt_dev); 662 else 663 rv = 0; 664 break; 665 666 default: 667 rv = ENOTTY; 668 break; 669 } 670 671 return (rv); 672 } 673 674 /* 675 * The number of openings available to us has changed, so inform scsipi. 676 */ 677 static void 678 iopsp_adjqparam(struct device *dv, int mpi) 679 { 680 struct iopsp_softc *sc; 681 int s; 682 683 sc = (struct iopsp_softc *)dv; 684 685 s = splbio(); 686 sc->sc_adapter.adapt_openings = mpi; 687 if (mpi < sc->sc_curqd) 688 tsleep(&sc->sc_curqd, PWAIT, "iopspdrn", 0); 689 splx(s); 690 } 691
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