iopsp.c revision 1.13
1 /* $NetBSD: iopsp.c,v 1.13 2002/09/27 15:37:13 provos 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 1.13 2002/09/27 15:37:13 provos 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 struct cfattach iopsp_ca = { 87 sizeof(struct iopsp_softc), iopsp_match, iopsp_attach 88 }; 89 90 /* 91 * Match a supported device. 92 */ 93 static int 94 iopsp_match(struct device *parent, struct cfdata *match, void *aux) 95 { 96 struct iop_attach_args *ia; 97 struct { 98 struct i2o_param_op_results pr; 99 struct i2o_param_read_results prr; 100 struct i2o_param_hba_ctlr_info ci; 101 } __attribute__ ((__packed__)) param; 102 103 ia = aux; 104 105 if (ia->ia_class != I2O_CLASS_BUS_ADAPTER_PORT) 106 return (0); 107 108 if (iop_field_get_all((struct iop_softc *)parent, ia->ia_tid, 109 I2O_PARAM_HBA_CTLR_INFO, ¶m, sizeof(param), NULL) != 0) 110 return (0); 111 112 return (param.ci.bustype == I2O_HBA_BUS_SCSI || 113 param.ci.bustype == I2O_HBA_BUS_FCA); 114 } 115 116 /* 117 * Attach a supported device. 118 */ 119 static void 120 iopsp_attach(struct device *parent, struct device *self, void *aux) 121 { 122 struct iop_attach_args *ia; 123 struct iopsp_softc *sc; 124 struct iop_softc *iop; 125 struct { 126 struct i2o_param_op_results pr; 127 struct i2o_param_read_results prr; 128 union { 129 struct i2o_param_hba_ctlr_info ci; 130 struct i2o_param_hba_scsi_ctlr_info sci; 131 struct i2o_param_hba_scsi_port_info spi; 132 } p; 133 } __attribute__ ((__packed__)) param; 134 int fc, rv; 135 #ifdef I2OVERBOSE 136 int size; 137 #endif 138 139 ia = (struct iop_attach_args *)aux; 140 sc = (struct iopsp_softc *)self; 141 iop = (struct iop_softc *)parent; 142 143 /* Register us as an initiator. */ 144 sc->sc_ii.ii_dv = self; 145 sc->sc_ii.ii_intr = iopsp_intr; 146 sc->sc_ii.ii_flags = 0; 147 sc->sc_ii.ii_tid = ia->ia_tid; 148 sc->sc_ii.ii_reconfig = iopsp_reconfig; 149 sc->sc_ii.ii_adjqparam = iopsp_adjqparam; 150 iop_initiator_register(iop, &sc->sc_ii); 151 152 rv = iop_field_get_all(iop, ia->ia_tid, I2O_PARAM_HBA_CTLR_INFO, 153 ¶m, sizeof(param), NULL); 154 if (rv != 0) 155 goto bad; 156 157 fc = (param.p.ci.bustype == I2O_HBA_BUS_FCA); 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_field_get_all(iop, ia->ia_tid, I2O_PARAM_HBA_SCSI_CTLR_INFO, 168 ¶m, sizeof(param), NULL); 169 if (rv != 0) 170 goto bad; 171 172 #ifdef I2OVERBOSE 173 printf("%s: ", sc->sc_dv.dv_xname); 174 if (fc) 175 printf("FC"); 176 else 177 printf("%d-bit", param.p.sci.maxdatawidth); 178 printf(", max sync rate %dMHz, initiator ID %d\n", 179 (u_int32_t)le64toh(param.p.sci.maxsyncrate) / 1000, 180 le32toh(param.p.sci.initiatorid)); 181 #endif 182 183 sc->sc_adapter.adapt_dev = &sc->sc_dv; 184 sc->sc_adapter.adapt_nchannels = 1; 185 sc->sc_adapter.adapt_openings = 1; 186 sc->sc_adapter.adapt_max_periph = 1; 187 sc->sc_adapter.adapt_ioctl = iopsp_ioctl; 188 sc->sc_adapter.adapt_minphys = minphys; 189 sc->sc_adapter.adapt_request = iopsp_scsipi_request; 190 191 memset(&sc->sc_channel, 0, sizeof(sc->sc_channel)); 192 sc->sc_channel.chan_adapter = &sc->sc_adapter; 193 sc->sc_channel.chan_bustype = &scsi_bustype; 194 sc->sc_channel.chan_channel = 0; 195 sc->sc_channel.chan_ntargets = fc ? 196 IOPSP_MAX_FC_TARGET : param.p.sci.maxdatawidth; 197 sc->sc_channel.chan_nluns = IOPSP_MAX_LUN; 198 sc->sc_channel.chan_id = le32toh(param.p.sci.initiatorid); 199 sc->sc_channel.chan_flags = SCSIPI_CHAN_NOSETTLE; 200 201 #ifdef I2OVERBOSE 202 /* 203 * Allocate the target map. Currently used for informational 204 * purposes only. 205 */ 206 size = sc->sc_channel.chan_ntargets * sizeof(struct iopsp_target); 207 sc->sc_targetmap = malloc(size, M_DEVBUF, M_NOWAIT|M_ZERO); 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|M_ZERO)) == NULL) 260 return (ENOMEM); 261 262 #ifdef I2OVERBOSE 263 for (i = 0; i < sc_chan->chan_ntargets; i++) 264 sc->sc_targetmap[i].it_flags &= ~IT_PRESENT; 265 #endif 266 267 /* 268 * A quick hack to handle Intel's stacked bus port arrangement. 269 */ 270 bptid = sc->sc_ii.ii_tid; 271 nent = iop->sc_nlctent; 272 for (le = iop->sc_lct->entry; nent != 0; nent--, le++) 273 if ((le16toh(le->classid) & 4095) == 274 I2O_CLASS_BUS_ADAPTER_PORT && 275 (le32toh(le->usertid) & 4095) == bptid) { 276 bptid = le16toh(le->localtid) & 4095; 277 break; 278 } 279 280 nent = iop->sc_nlctent; 281 for (i = 0, le = iop->sc_lct->entry; i < nent; i++, le++) { 282 if ((le16toh(le->classid) & 4095) != I2O_CLASS_SCSI_PERIPHERAL) 283 continue; 284 if (((le32toh(le->usertid) >> 12) & 4095) != bptid) 285 continue; 286 tid = le16toh(le->localtid) & 4095; 287 288 rv = iop_field_get_all(iop, tid, I2O_PARAM_SCSI_DEVICE_INFO, 289 ¶m, sizeof(param), NULL); 290 if (rv != 0) 291 continue; 292 targ = le32toh(param.sdi.identifier); 293 lun = param.sdi.luninfo[1]; 294 #if defined(DIAGNOSTIC) || defined(I2ODEBUG) 295 if (targ >= sc_chan->chan_ntargets || 296 lun >= sc_chan->chan_nluns) { 297 printf("%s: target %d,%d (tid %d): bad target/LUN\n", 298 sc->sc_dv.dv_xname, targ, lun, tid); 299 continue; 300 } 301 #endif 302 303 #ifdef I2OVERBOSE 304 /* 305 * If we've already described this target, and nothing has 306 * changed, then don't describe it again. 307 */ 308 it = &sc->sc_targetmap[targ]; 309 it->it_flags |= IT_PRESENT; 310 syncrate = ((int)le64toh(param.sdi.negsyncrate) + 500) / 1000; 311 if (it->it_width == param.sdi.negdatawidth && 312 it->it_offset == param.sdi.negoffset && 313 it->it_syncrate == syncrate) 314 continue; 315 316 it->it_width = param.sdi.negdatawidth; 317 it->it_offset = param.sdi.negoffset; 318 it->it_syncrate = syncrate; 319 320 printf("%s: target %d (tid %d): %d-bit, ", sc->sc_dv.dv_xname, 321 targ, tid, it->it_width); 322 if (it->it_syncrate == 0) 323 printf("asynchronous\n"); 324 else 325 printf("synchronous at %dMHz, offset 0x%x\n", 326 it->it_syncrate, it->it_offset); 327 #endif 328 329 /* Ignore the device if it's in use by somebody else. */ 330 if ((le32toh(le->usertid) & 4095) != I2O_TID_NONE) { 331 #ifdef I2OVERBOSE 332 if (sc->sc_tidmap == NULL || 333 IOPSP_TIDMAP(sc->sc_tidmap, targ, lun) != 334 IOPSP_TID_INUSE) 335 printf("%s: target %d,%d (tid %d): in use by" 336 " tid %d\n", sc->sc_dv.dv_xname, 337 targ, lun, tid, 338 le32toh(le->usertid) & 4095); 339 #endif 340 IOPSP_TIDMAP(tidmap, targ, lun) = IOPSP_TID_INUSE; 341 } else 342 IOPSP_TIDMAP(tidmap, targ, lun) = (u_short)tid; 343 } 344 345 #ifdef I2OVERBOSE 346 for (i = 0; i < sc_chan->chan_ntargets; i++) 347 if ((sc->sc_targetmap[i].it_flags & IT_PRESENT) == 0) 348 sc->sc_targetmap[i].it_width = 0; 349 #endif 350 351 /* Swap in the new map and return. */ 352 s = splbio(); 353 if (sc->sc_tidmap != NULL) 354 free(sc->sc_tidmap, M_DEVBUF); 355 sc->sc_tidmap = tidmap; 356 splx(s); 357 sc->sc_chgind = iop->sc_chgind; 358 return (0); 359 } 360 361 /* 362 * Re-scan the bus; to be called from a higher level (e.g. scsipi). 363 */ 364 static int 365 iopsp_rescan(struct iopsp_softc *sc) 366 { 367 struct iop_softc *iop; 368 struct iop_msg *im; 369 struct i2o_hba_bus_scan mf; 370 int rv; 371 372 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 373 374 rv = lockmgr(&iop->sc_conflock, LK_EXCLUSIVE, NULL); 375 if (rv != 0) { 376 #ifdef I2ODEBUG 377 printf("iopsp_rescan: unable to acquire lock\n"); 378 #endif 379 return (rv); 380 } 381 382 im = iop_msg_alloc(iop, IM_WAIT); 383 384 mf.msgflags = I2O_MSGFLAGS(i2o_hba_bus_scan); 385 mf.msgfunc = I2O_MSGFUNC(sc->sc_ii.ii_tid, I2O_HBA_BUS_SCAN); 386 mf.msgictx = sc->sc_ii.ii_ictx; 387 mf.msgtctx = im->im_tctx; 388 389 rv = iop_msg_post(iop, im, &mf, 5*60*1000); 390 iop_msg_free(iop, im); 391 if (rv != 0) 392 printf("%s: bus rescan failed (error %d)\n", 393 sc->sc_dv.dv_xname, rv); 394 395 if ((rv = iop_lct_get(iop)) == 0) 396 rv = iopsp_reconfig(&sc->sc_dv); 397 398 lockmgr(&iop->sc_conflock, LK_RELEASE, NULL); 399 return (rv); 400 } 401 402 /* 403 * Start a SCSI command. 404 */ 405 static void 406 iopsp_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 407 void *arg) 408 { 409 struct scsipi_xfer *xs; 410 struct scsipi_periph *periph; 411 struct iopsp_softc *sc; 412 struct iop_msg *im; 413 struct iop_softc *iop; 414 struct i2o_scsi_scb_exec *mf; 415 int error, flags, tid, s; 416 u_int32_t mb[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 417 418 sc = (void *)chan->chan_adapter->adapt_dev; 419 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 420 421 switch (req) { 422 case ADAPTER_REQ_RUN_XFER: 423 xs = arg; 424 periph = xs->xs_periph; 425 flags = xs->xs_control; 426 427 tid = IOPSP_TIDMAP(sc->sc_tidmap, periph->periph_target, 428 periph->periph_lun); 429 if (tid == IOPSP_TID_ABSENT || tid == IOPSP_TID_INUSE) { 430 xs->error = XS_SELTIMEOUT; 431 scsipi_done(xs); 432 return; 433 } 434 435 SC_DEBUG(periph, SCSIPI_DB2, ("iopsp_scsi_request run_xfer\n")); 436 437 /* Need to reset the target? */ 438 if ((flags & XS_CTL_RESET) != 0) { 439 if (iop_simple_cmd(iop, tid, I2O_SCSI_DEVICE_RESET, 440 sc->sc_ii.ii_ictx, 1, 30*1000) != 0) { 441 #ifdef I2ODEBUG 442 printf("%s: reset failed\n", 443 sc->sc_dv.dv_xname); 444 #endif 445 xs->error = XS_DRIVER_STUFFUP; 446 } else 447 xs->error = XS_NOERROR; 448 449 scsipi_done(xs); 450 return; 451 } 452 453 #if defined(I2ODEBUG) || defined(SCSIDEBUG) 454 if (xs->cmdlen > sizeof(mf->cdb)) 455 panic("%s: CDB too large", sc->sc_dv.dv_xname); 456 #endif 457 458 im = iop_msg_alloc(iop, IM_POLL_INTR | 459 IM_NOSTATUS | ((flags & XS_CTL_POLL) != 0 ? IM_POLL : 0)); 460 im->im_dvcontext = xs; 461 462 mf = (struct i2o_scsi_scb_exec *)mb; 463 mf->msgflags = I2O_MSGFLAGS(i2o_scsi_scb_exec); 464 mf->msgfunc = I2O_MSGFUNC(tid, I2O_SCSI_SCB_EXEC); 465 mf->msgictx = sc->sc_ii.ii_ictx; 466 mf->msgtctx = im->im_tctx; 467 mf->flags = xs->cmdlen | I2O_SCB_FLAG_ENABLE_DISCONNECT | 468 I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; 469 mf->datalen = xs->datalen; 470 memcpy(mf->cdb, xs->cmd, xs->cmdlen); 471 472 switch (xs->xs_tag_type) { 473 case MSG_ORDERED_Q_TAG: 474 mf->flags |= I2O_SCB_FLAG_ORDERED_QUEUE_TAG; 475 break; 476 case MSG_SIMPLE_Q_TAG: 477 mf->flags |= I2O_SCB_FLAG_SIMPLE_QUEUE_TAG; 478 break; 479 case MSG_HEAD_OF_Q_TAG: 480 mf->flags |= I2O_SCB_FLAG_HEAD_QUEUE_TAG; 481 break; 482 default: 483 break; 484 } 485 486 if (xs->datalen != 0) { 487 error = iop_msg_map_bio(iop, im, mb, xs->data, 488 xs->datalen, (flags & XS_CTL_DATA_OUT) == 0); 489 if (error) { 490 xs->error = XS_DRIVER_STUFFUP; 491 iop_msg_free(iop, im); 492 scsipi_done(xs); 493 return; 494 } 495 if ((flags & XS_CTL_DATA_IN) == 0) 496 mf->flags |= I2O_SCB_FLAG_XFER_TO_DEVICE; 497 else 498 mf->flags |= I2O_SCB_FLAG_XFER_FROM_DEVICE; 499 } 500 501 s = splbio(); 502 sc->sc_curqd++; 503 splx(s); 504 505 if (iop_msg_post(iop, im, mb, xs->timeout)) { 506 s = splbio(); 507 sc->sc_curqd--; 508 splx(s); 509 if (xs->datalen != 0) 510 iop_msg_unmap(iop, im); 511 iop_msg_free(iop, im); 512 xs->error = XS_DRIVER_STUFFUP; 513 scsipi_done(xs); 514 } 515 break; 516 517 case ADAPTER_REQ_GROW_RESOURCES: 518 /* 519 * Not supported. 520 */ 521 break; 522 523 case ADAPTER_REQ_SET_XFER_MODE: 524 /* 525 * The DDM takes care of this, and we can't modify its 526 * behaviour. 527 */ 528 break; 529 } 530 } 531 532 #ifdef notyet 533 /* 534 * Abort the specified I2O_SCSI_SCB_EXEC message and its associated SCB. 535 */ 536 static int 537 iopsp_scsi_abort(struct iopsp_softc *sc, int atid, struct iop_msg *aim) 538 { 539 struct iop_msg *im; 540 struct i2o_scsi_scb_abort mf; 541 struct iop_softc *iop; 542 int rv, s; 543 544 iop = (struct iop_softc *)sc->sc_dv.dv_parent; 545 im = iop_msg_alloc(iop, IM_POLL); 546 547 mf.msgflags = I2O_MSGFLAGS(i2o_scsi_scb_abort); 548 mf.msgfunc = I2O_MSGFUNC(atid, I2O_SCSI_SCB_ABORT); 549 mf.msgictx = sc->sc_ii.ii_ictx; 550 mf.msgtctx = im->im_tctx; 551 mf.tctxabort = aim->im_tctx; 552 553 s = splbio(); 554 rv = iop_msg_post(iop, im, &mf, 30000); 555 splx(s); 556 iop_msg_free(iop, im); 557 return (rv); 558 } 559 #endif 560 561 /* 562 * We have a message which has been processed and replied to by the IOP - 563 * deal with it. 564 */ 565 static void 566 iopsp_intr(struct device *dv, struct iop_msg *im, void *reply) 567 { 568 struct scsipi_xfer *xs; 569 struct iopsp_softc *sc; 570 struct i2o_scsi_reply *rb; 571 struct iop_softc *iop; 572 u_int sl; 573 574 sc = (struct iopsp_softc *)dv; 575 xs = (struct scsipi_xfer *)im->im_dvcontext; 576 iop = (struct iop_softc *)dv->dv_parent; 577 rb = reply; 578 579 SC_DEBUG(xs->xs_periph, SCSIPI_DB2, ("iopsp_intr\n")); 580 581 if ((rb->msgflags & I2O_MSGFLAGS_FAIL) != 0) { 582 xs->error = XS_DRIVER_STUFFUP; 583 xs->resid = xs->datalen; 584 } else { 585 if (rb->hbastatus != I2O_SCSI_DSC_SUCCESS) { 586 switch (rb->hbastatus) { 587 case I2O_SCSI_DSC_ADAPTER_BUSY: 588 case I2O_SCSI_DSC_SCSI_BUS_RESET: 589 case I2O_SCSI_DSC_BUS_BUSY: 590 xs->error = XS_BUSY; 591 break; 592 case I2O_SCSI_DSC_SELECTION_TIMEOUT: 593 xs->error = XS_SELTIMEOUT; 594 break; 595 case I2O_SCSI_DSC_COMMAND_TIMEOUT: 596 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT: 597 case I2O_SCSI_DSC_LUN_INVALID: 598 case I2O_SCSI_DSC_SCSI_TID_INVALID: 599 xs->error = XS_TIMEOUT; 600 break; 601 default: 602 xs->error = XS_DRIVER_STUFFUP; 603 break; 604 } 605 printf("%s: HBA status 0x%02x\n", sc->sc_dv.dv_xname, 606 rb->hbastatus); 607 } else if (rb->scsistatus != SCSI_OK) { 608 switch (rb->scsistatus) { 609 case SCSI_CHECK: 610 xs->error = XS_SENSE; 611 sl = le32toh(rb->senselen); 612 if (sl > sizeof(xs->sense.scsi_sense)) 613 sl = sizeof(xs->sense.scsi_sense); 614 memcpy(&xs->sense.scsi_sense, rb->sense, sl); 615 break; 616 case SCSI_QUEUE_FULL: 617 case SCSI_BUSY: 618 xs->error = XS_BUSY; 619 break; 620 default: 621 xs->error = XS_DRIVER_STUFFUP; 622 break; 623 } 624 } else 625 xs->error = XS_NOERROR; 626 627 xs->resid = xs->datalen - le32toh(rb->datalen); 628 xs->status = rb->scsistatus; 629 } 630 631 /* Free the message wrapper and pass the news to scsipi. */ 632 if (xs->datalen != 0) 633 iop_msg_unmap(iop, im); 634 iop_msg_free(iop, im); 635 636 if (--sc->sc_curqd == sc->sc_adapter.adapt_openings) 637 wakeup(&sc->sc_curqd); 638 639 scsipi_done(xs); 640 } 641 642 /* 643 * ioctl hook; used here only to initiate low-level rescans. 644 */ 645 static int 646 iopsp_ioctl(struct scsipi_channel *chan, u_long cmd, caddr_t data, int flag, 647 struct proc *p) 648 { 649 int rv; 650 651 switch (cmd) { 652 case SCBUSIOLLSCAN: 653 /* 654 * If it's boot time, the bus will have been scanned and the 655 * maps built. Locking would stop re-configuration, but we 656 * want to fake success. 657 */ 658 if (p != &proc0) 659 rv = iopsp_rescan( 660 (struct iopsp_softc *)chan->chan_adapter->adapt_dev); 661 else 662 rv = 0; 663 break; 664 665 default: 666 rv = ENOTTY; 667 break; 668 } 669 670 return (rv); 671 } 672 673 /* 674 * The number of openings available to us has changed, so inform scsipi. 675 */ 676 static void 677 iopsp_adjqparam(struct device *dv, int mpi) 678 { 679 struct iopsp_softc *sc; 680 int s; 681 682 sc = (struct iopsp_softc *)dv; 683 684 s = splbio(); 685 sc->sc_adapter.adapt_openings = mpi; 686 if (mpi < sc->sc_curqd) 687 tsleep(&sc->sc_curqd, PWAIT, "iopspdrn", 0); 688 splx(s); 689 } 690
Indexes created Tue Sep 30 20:09:53 GMT 2025