iopsp.c revision 1.8
1 /* $NetBSD: iopsp.c,v 1.8 2001/06/26 12:48:06 bouyer 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 "opt_i2o.h" 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/device.h> 50 #include <sys/queue.h> 51 #include <sys/proc.h> 52 #include <sys/buf.h> 53 #include <sys/endian.h> 54 #include <sys/malloc.h> 55 #include <sys/scsiio.h> 56 #include <sys/lock.h> 57 58 #include <machine/bswap.h> 59 #include <machine/bus.h> 60 61 #include <dev/scsipi/scsi_all.h> 62 #include <dev/scsipi/scsi_disk.h> 63 #include <dev/scsipi/scsipi_all.h> 64 #include <dev/scsipi/scsiconf.h> 65 #include <dev/scsipi/scsi_message.h> 66 67 #include <dev/i2o/i2o.h> 68 #include <dev/i2o/iopio.h> 69 #include <dev/i2o/iopvar.h> 70 #include <dev/i2o/iopspvar.h> 71 72 static void iopsp_adjqparam(struct device *, int); 73 static void iopsp_attach(struct device *, struct device *, void *); 74 static void iopsp_intr(struct device *, struct iop_msg *, void *); 75 static int iopsp_ioctl(struct scsipi_channel *, u_long, 76 caddr_t, int, struct proc *); 77 static int iopsp_match(struct device *, struct cfdata *, void *); 78 static int iopsp_rescan(struct iopsp_softc *); 79 static int iopsp_reconfig(struct device *); 80 static void iopsp_scsipi_request(struct scsipi_channel *, 81 scsipi_adapter_req_t, void *); 82 83 struct cfattach iopsp_ca = { 84 sizeof(struct iopsp_softc), iopsp_match, iopsp_attach 85 }; 86 87 /* 88 * Match a supported device. 89 */ 90 static int 91 iopsp_match(struct device *parent, struct cfdata *match, void *aux) 92 { 93 struct iop_attach_args *ia; 94 struct { 95 struct i2o_param_op_results pr; 96 struct i2o_param_read_results prr; 97 struct i2o_param_hba_ctlr_info ci; 98 } __attribute__ ((__packed__)) param; 99 100 ia = aux; 101 102 if (ia->ia_class != I2O_CLASS_BUS_ADAPTER_PORT) 103 return (0); 104 105 if (iop_param_op((struct iop_softc *)parent, ia->ia_tid, NULL, 0, 106 I2O_PARAM_HBA_CTLR_INFO, ¶m, sizeof(param)) != 0) 107 return (0); 108 109 return (param.ci.bustype == I2O_HBA_BUS_SCSI || 110 param.ci.bustype == I2O_HBA_BUS_FCA); 111 } 112 113 /* 114 * Attach a supported device. 115 */ 116 static void 117 iopsp_attach(struct device *parent, struct device *self, void *aux) 118 { 119 struct iop_attach_args *ia; 120 struct iopsp_softc *sc; 121 struct iop_softc *iop; 122 struct { 123 struct i2o_param_op_results pr; 124 struct i2o_param_read_results prr; 125 union { 126 struct i2o_param_hba_ctlr_info ci; 127 struct i2o_param_hba_scsi_ctlr_info sci; 128 struct i2o_param_hba_scsi_port_info spi; 129 } p; 130 } __attribute__ ((__packed__)) param; 131 int fcal, rv; 132 #ifdef I2OVERBOSE 133 int size; 134 #endif 135 136 ia = (struct iop_attach_args *)aux; 137 sc = (struct iopsp_softc *)self; 138 iop = (struct iop_softc *)parent; 139 140 /* Register us as an initiator. */ 141 sc->sc_ii.ii_dv = self; 142 sc->sc_ii.ii_intr = iopsp_intr; 143 sc->sc_ii.ii_flags = 0; 144 sc->sc_ii.ii_tid = ia->ia_tid; 145 sc->sc_ii.ii_reconfig = iopsp_reconfig; 146 sc->sc_ii.ii_adjqparam = iopsp_adjqparam; 147 iop_initiator_register(iop, &sc->sc_ii); 148 149 rv = iop_param_op(iop, ia->ia_tid, NULL, 0, I2O_PARAM_HBA_CTLR_INFO, 150 ¶m, sizeof(param)); 151 if (rv != 0) { 152 printf("%s: unable to get parameters (0x%04x; %d)\n", 153 sc->sc_dv.dv_xname, I2O_PARAM_HBA_CTLR_INFO, rv); 154 goto bad; 155 } 156 157 fcal = (param.p.ci.bustype == I2O_HBA_BUS_FCA); /* XXX */ 158 159 /* 160 * Say what the device is. If we can find out what the controling 161 * device is, say what that is too. 162 */ 163 printf(": SCSI port"); 164 iop_print_ident(iop, ia->ia_tid); 165 printf("\n"); 166 167 rv = iop_param_op(iop, ia->ia_tid, NULL, 0, 168 I2O_PARAM_HBA_SCSI_CTLR_INFO, ¶m, sizeof(param)); 169 if (rv != 0) { 170 printf("%s: unable to get parameters (0x%04x; %d)\n", 171 sc->sc_dv.dv_xname, I2O_PARAM_HBA_SCSI_CTLR_INFO, rv); 172 goto bad; 173 } 174 175 #ifdef I2OVERBOSE 176 printf("%s: %d-bit, max sync rate %dMHz, initiator ID %d\n", 177 sc->sc_dv.dv_xname, param.p.sci.maxdatawidth, 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 = fcal ? 195 IOPSP_MAX_FCAL_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); 207 memset(sc->sc_targetmap, 0, size); 208 #endif 209 210 /* Build the two maps, and attach to scsipi. */ 211 if (iopsp_reconfig(self) != 0) { 212 printf("%s: configure failed\n", sc->sc_dv.dv_xname); 213 goto bad; 214 } 215 config_found(self, &sc->sc_channel, scsiprint); 216 return; 217 218 bad: 219 iop_initiator_unregister(iop, &sc->sc_ii); 220 } 221 222 /* 223 * Scan the LCT to determine which devices we control, and enter them into 224 * the maps. 225 */ 226 static int 227 iopsp_reconfig(struct device *dv) 228 { 229 struct iopsp_softc *sc; 230 struct iop_softc *iop; 231 struct i2o_lct_entry *le; 232 struct scsipi_channel *sc_chan; 233 struct { 234 struct i2o_param_op_results pr; 235 struct i2o_param_read_results prr; 236 struct i2o_param_scsi_device_info sdi; 237 } __attribute__ ((__packed__)) param; 238 u_int tid, nent, i, targ, lun, size, s, rv, bptid; 239 u_short *tidmap; 240 #ifdef I2OVERBOSE 241 struct iopsp_target *it; 242 int syncrate; 243 #endif 244 245 sc = (struct iopsp_softc *)dv; 246 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 247 sc_chan = &sc->sc_channel; 248 249 /* Anything to do? */ 250 if (iop->sc_chgind == sc->sc_chgind) 251 return (0); 252 253 /* 254 * Allocate memory for the target/LUN -> TID map. Use zero to 255 * denote absent targets (zero is the TID of the I2O executive, 256 * and we never address that here). 257 */ 258 size = sc_chan->chan_ntargets * (IOPSP_MAX_LUN) * sizeof(u_short); 259 if ((tidmap = malloc(size, M_DEVBUF, M_WAITOK)) == NULL) 260 return (ENOMEM); 261 memset(tidmap, 0, size); 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 = le32toh(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 = le32toh(le->localtid) & 4095; 288 289 rv = iop_param_op(iop, tid, NULL, 0, I2O_PARAM_SCSI_DEVICE_INFO, 290 ¶m, sizeof(param)); 291 if (rv != 0) { 292 printf("%s: unable to get parameters (0x%04x; %d)\n", 293 sc->sc_dv.dv_xname, I2O_PARAM_SCSI_DEVICE_INFO, 294 rv); 295 continue; 296 } 297 targ = le32toh(param.sdi.identifier); 298 lun = param.sdi.luninfo[1]; 299 #if defined(DIAGNOSTIC) || defined(I2ODEBUG) 300 if (targ >= sc_chan->chan_ntargets || 301 lun >= sc_chan->chan_nluns) { 302 printf("%s: target %d,%d (tid %d): bad target/LUN\n", 303 sc->sc_dv.dv_xname, targ, lun, tid); 304 continue; 305 } 306 #endif 307 308 #ifdef I2OVERBOSE 309 /* 310 * If we've already described this target, and nothing has 311 * changed, then don't describe it again. 312 */ 313 it = &sc->sc_targetmap[targ]; 314 it->it_flags |= IT_PRESENT; 315 syncrate = ((int)le64toh(param.sdi.negsyncrate) + 500) / 1000; 316 if (it->it_width == param.sdi.negdatawidth && 317 it->it_offset == param.sdi.negoffset && 318 it->it_syncrate == syncrate) 319 continue; 320 321 it->it_width = param.sdi.negdatawidth; 322 it->it_offset = param.sdi.negoffset; 323 it->it_syncrate = syncrate; 324 325 printf("%s: target %d (tid %d): %d-bit, ", sc->sc_dv.dv_xname, 326 targ, tid, it->it_width); 327 if (it->it_syncrate == 0) 328 printf("asynchronous\n"); 329 else 330 printf("synchronous at %dMHz, offset 0x%x\n", 331 it->it_syncrate, it->it_offset); 332 #endif 333 334 /* Ignore the device if it's in use by somebody else. */ 335 if ((le32toh(le->usertid) & 4095) != I2O_TID_NONE) { 336 #ifdef I2OVERBOSE 337 if (sc->sc_tidmap == NULL || 338 IOPSP_TIDMAP(sc->sc_tidmap, targ, lun) != 339 IOPSP_TID_INUSE) 340 printf("%s: target %d,%d (tid %d): in use by" 341 " tid %d\n", sc->sc_dv.dv_xname, 342 targ, lun, tid, 343 le32toh(le->usertid) & 4095); 344 #endif 345 IOPSP_TIDMAP(tidmap, targ, lun) = IOPSP_TID_INUSE; 346 } else 347 IOPSP_TIDMAP(tidmap, targ, lun) = (u_short)tid; 348 } 349 350 #ifdef I2OVERBOSE 351 for (i = 0; i < sc_chan->chan_ntargets; i++) 352 if ((sc->sc_targetmap[i].it_flags & IT_PRESENT) == 0) 353 sc->sc_targetmap[i].it_width = 0; 354 #endif 355 356 /* Swap in the new map and return. */ 357 s = splbio(); 358 if (sc->sc_tidmap != NULL) 359 free(sc->sc_tidmap, M_DEVBUF); 360 sc->sc_tidmap = tidmap; 361 splx(s); 362 sc->sc_chgind = iop->sc_chgind; 363 return (0); 364 } 365 366 /* 367 * Re-scan the bus; to be called from a higher level (e.g. scsipi). 368 */ 369 static int 370 iopsp_rescan(struct iopsp_softc *sc) 371 { 372 struct iop_softc *iop; 373 struct iop_msg *im; 374 struct i2o_hba_bus_scan mf; 375 int rv; 376 377 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 378 379 rv = lockmgr(&iop->sc_conflock, LK_EXCLUSIVE, NULL); 380 if (rv != 0) { 381 #ifdef I2ODEBUG 382 printf("iopsp_rescan: unable to acquire lock\n"); 383 #endif 384 return (rv); 385 } 386 387 im = iop_msg_alloc(iop, &sc->sc_ii, IM_WAIT); 388 389 mf.msgflags = I2O_MSGFLAGS(i2o_hba_bus_scan); 390 mf.msgfunc = I2O_MSGFUNC(sc->sc_ii.ii_tid, I2O_HBA_BUS_SCAN); 391 mf.msgictx = sc->sc_ii.ii_ictx; 392 mf.msgtctx = im->im_tctx; 393 394 rv = iop_msg_post(iop, im, &mf, 5*60*1000); 395 iop_msg_free(iop, im); 396 if (rv != 0) 397 printf("%s: bus rescan failed (error %d)\n", 398 sc->sc_dv.dv_xname, rv); 399 400 if ((rv = iop_lct_get(iop)) == 0) 401 rv = iopsp_reconfig(&sc->sc_dv); 402 403 lockmgr(&iop->sc_conflock, LK_RELEASE, NULL); 404 return (rv); 405 } 406 407 /* 408 * Start a SCSI command. 409 */ 410 static void 411 iopsp_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 412 void *arg) 413 { 414 struct scsipi_xfer *xs; 415 struct scsipi_periph *periph; 416 struct iopsp_softc *sc; 417 struct iop_msg *im; 418 struct iop_softc *iop; 419 struct i2o_scsi_scb_exec *mf; 420 int error, flags, tid, s; 421 u_int32_t mb[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 422 423 sc = (void *)chan->chan_adapter->adapt_dev; 424 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 425 426 switch (req) { 427 case ADAPTER_REQ_RUN_XFER: 428 xs = arg; 429 periph = xs->xs_periph; 430 flags = xs->xs_control; 431 432 tid = IOPSP_TIDMAP(sc->sc_tidmap, periph->periph_target, 433 periph->periph_lun); 434 if (tid == IOPSP_TID_ABSENT || tid == IOPSP_TID_INUSE) { 435 xs->error = XS_SELTIMEOUT; 436 scsipi_done(xs); 437 return; 438 } 439 440 SC_DEBUG(periph, SCSIPI_DB2, ("iopsp_scsi_request run_xfer\n")); 441 442 /* Need to reset the target? */ 443 if ((flags & XS_CTL_RESET) != 0) { 444 if (iop_simple_cmd(iop, tid, I2O_SCSI_DEVICE_RESET, 445 sc->sc_ii.ii_ictx, 1, 30*1000) != 0) { 446 #ifdef I2ODEBUG 447 printf("%s: reset failed\n", 448 sc->sc_dv.dv_xname); 449 #endif 450 xs->error = XS_DRIVER_STUFFUP; 451 } else 452 xs->error = XS_NOERROR; 453 454 scsipi_done(xs); 455 return; 456 } 457 458 #if defined(I2ODEBUG) || defined(SCSIDEBUG) 459 if (xs->cmdlen > sizeof(mf->cdb)) 460 panic("%s: CDB too large\n", sc->sc_dv.dv_xname); 461 #endif 462 463 im = iop_msg_alloc(iop, &sc->sc_ii, IM_POLL_INTR | 464 IM_NOSTATUS | ((flags & XS_CTL_POLL) != 0 ? IM_POLL : 0)); 465 im->im_dvcontext = xs; 466 467 mf = (struct i2o_scsi_scb_exec *)mb; 468 mf->msgflags = I2O_MSGFLAGS(i2o_scsi_scb_exec); 469 mf->msgfunc = I2O_MSGFUNC(tid, I2O_SCSI_SCB_EXEC); 470 mf->msgictx = sc->sc_ii.ii_ictx; 471 mf->msgtctx = im->im_tctx; 472 mf->flags = xs->cmdlen | I2O_SCB_FLAG_ENABLE_DISCONNECT | 473 I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; 474 mf->datalen = xs->datalen; 475 memcpy(mf->cdb, xs->cmd, xs->cmdlen); 476 477 switch (xs->xs_tag_type) { 478 case MSG_ORDERED_Q_TAG: 479 mf->flags |= I2O_SCB_FLAG_ORDERED_QUEUE_TAG; 480 break; 481 case MSG_SIMPLE_Q_TAG: 482 mf->flags |= I2O_SCB_FLAG_SIMPLE_QUEUE_TAG; 483 break; 484 case MSG_HEAD_OF_Q_TAG: 485 mf->flags |= I2O_SCB_FLAG_HEAD_QUEUE_TAG; 486 break; 487 default: 488 break; 489 } 490 491 if (xs->datalen != 0) { 492 error = iop_msg_map_bio(iop, im, mb, xs->data, 493 xs->datalen, (flags & XS_CTL_DATA_OUT) == 0); 494 if (error) { 495 xs->error = XS_DRIVER_STUFFUP; 496 iop_msg_free(iop, im); 497 scsipi_done(xs); 498 return; 499 } 500 if ((flags & XS_CTL_DATA_IN) == 0) 501 mf->flags |= I2O_SCB_FLAG_XFER_TO_DEVICE; 502 else 503 mf->flags |= I2O_SCB_FLAG_XFER_FROM_DEVICE; 504 } 505 506 s = splbio(); 507 sc->sc_curqd++; 508 splx(s); 509 510 if (iop_msg_post(iop, im, mb, xs->timeout)) { 511 s = splbio(); 512 sc->sc_curqd--; 513 splx(s); 514 if (xs->datalen != 0) 515 iop_msg_unmap(iop, im); 516 iop_msg_free(iop, im); 517 xs->error = XS_DRIVER_STUFFUP; 518 scsipi_done(xs); 519 } 520 break; 521 522 case ADAPTER_REQ_GROW_RESOURCES: 523 /* 524 * Not supported. 525 */ 526 break; 527 528 case ADAPTER_REQ_SET_XFER_MODE: 529 /* 530 * The DDM takes care of this, and we can't modify its 531 * behaviour. 532 */ 533 break; 534 } 535 } 536 537 #ifdef notyet 538 /* 539 * Abort the specified I2O_SCSI_SCB_EXEC message and its associated SCB. 540 */ 541 static int 542 iopsp_scsi_abort(struct iopsp_softc *sc, int atid, struct iop_msg *aim) 543 { 544 struct iop_msg *im; 545 struct i2o_scsi_scb_abort mf; 546 struct iop_softc *iop; 547 int rv, s; 548 549 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 550 im = iop_msg_alloc(iop, &sc->sc_ii, IM_POLL); 551 552 mf.msgflags = I2O_MSGFLAGS(i2o_scsi_scb_abort); 553 mf.msgfunc = I2O_MSGFUNC(atid, I2O_SCSI_SCB_ABORT); 554 mf.msgictx = sc->sc_ii.ii_ictx; 555 mf.msgtctx = im->im_tctx; 556 mf.tctxabort = aim->im_tctx; 557 558 s = splbio(); 559 rv = iop_msg_post(iop, im, &mf, 30000); 560 splx(s); 561 iop_msg_free(iop, im); 562 return (rv); 563 } 564 #endif 565 566 /* 567 * We have a message which has been processed and replied to by the IOP - 568 * deal with it. 569 */ 570 static void 571 iopsp_intr(struct device *dv, struct iop_msg *im, void *reply) 572 { 573 struct scsipi_xfer *xs; 574 struct iopsp_softc *sc; 575 struct i2o_scsi_reply *rb; 576 struct iop_softc *iop; 577 u_int sl; 578 579 sc = (struct iopsp_softc *)dv; 580 xs = (struct scsipi_xfer *)im->im_dvcontext; 581 iop = (struct iop_softc *)dv->dv_parent; 582 rb = reply; 583 584 SC_DEBUG(xs->xs_periph, SCSIPI_DB2, ("iopsp_intr\n")); 585 586 if ((rb->msgflags & I2O_MSGFLAGS_FAIL) != 0) { 587 xs->error = XS_DRIVER_STUFFUP; 588 xs->resid = xs->datalen; 589 } else { 590 if (rb->hbastatus != I2O_SCSI_DSC_SUCCESS) { 591 switch (rb->hbastatus) { 592 case I2O_SCSI_DSC_ADAPTER_BUSY: 593 case I2O_SCSI_DSC_SCSI_BUS_RESET: 594 case I2O_SCSI_DSC_BUS_BUSY: 595 xs->error = XS_BUSY; 596 break; 597 case I2O_SCSI_DSC_SELECTION_TIMEOUT: 598 xs->error = XS_SELTIMEOUT; 599 break; 600 case I2O_SCSI_DSC_COMMAND_TIMEOUT: 601 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT: 602 case I2O_SCSI_DSC_LUN_INVALID: 603 case I2O_SCSI_DSC_SCSI_TID_INVALID: 604 xs->error = XS_TIMEOUT; 605 break; 606 default: 607 xs->error = XS_DRIVER_STUFFUP; 608 break; 609 } 610 printf("%s: HBA status 0x%02x\n", sc->sc_dv.dv_xname, 611 rb->hbastatus); 612 } else if (rb->scsistatus != SCSI_OK) { 613 switch (rb->scsistatus) { 614 case SCSI_CHECK: 615 xs->error = XS_SENSE; 616 sl = le32toh(rb->senselen); 617 if (sl > sizeof(xs->sense.scsi_sense)) 618 sl = sizeof(xs->sense.scsi_sense); 619 memcpy(&xs->sense.scsi_sense, rb->sense, sl); 620 break; 621 case SCSI_QUEUE_FULL: 622 case SCSI_BUSY: 623 xs->error = XS_BUSY; 624 break; 625 default: 626 xs->error = XS_DRIVER_STUFFUP; 627 break; 628 } 629 } else 630 xs->error = XS_NOERROR; 631 632 xs->resid = xs->datalen - le32toh(rb->datalen); 633 xs->status = rb->scsistatus; 634 } 635 636 /* Free the message wrapper and pass the news to scsipi. */ 637 if (xs->datalen != 0) 638 iop_msg_unmap(iop, im); 639 iop_msg_free(iop, im); 640 641 if (--sc->sc_curqd == sc->sc_adapter.adapt_openings) 642 wakeup(&sc->sc_curqd); 643 644 scsipi_done(xs); 645 } 646 647 /* 648 * ioctl hook; used here only to initiate low-level rescans. 649 */ 650 static int 651 iopsp_ioctl(struct scsipi_channel *chan, u_long cmd, caddr_t data, int flag, 652 struct proc *p) 653 { 654 int rv; 655 656 switch (cmd) { 657 case SCBUSIOLLSCAN: 658 /* 659 * If it's boot time, the bus will have been scanned and the 660 * maps built. Locking would stop re-configuration, but we 661 * want to fake success. 662 */ 663 if (p != &proc0) 664 rv = iopsp_rescan( 665 (struct iopsp_softc *)chan->chan_adapter->adapt_dev); 666 else 667 rv = 0; 668 break; 669 670 default: 671 rv = ENOTTY; 672 break; 673 } 674 675 return (rv); 676 } 677 678 /* 679 * The number of openings available to us has changed, so inform scsipi. 680 */ 681 static void 682 iopsp_adjqparam(struct device *dv, int mpi) 683 { 684 struct iopsp_softc *sc; 685 int s; 686 687 sc = (struct iopsp_softc *)dv; 688 689 s = splbio(); 690 sc->sc_adapter.adapt_openings = mpi; 691 if (mpi < sc->sc_curqd) 692 tsleep(&sc->sc_curqd, PWAIT, "iopspdrn", 0); 693 splx(s); 694 } 695
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