1 /* $NetBSD: isp_netbsd.c,v 1.81 2009/09/07 13:39:19 tsutsui Exp $ */ 2 /* 3 * Platform (NetBSD) dependent common attachment code for Qlogic adapters. 4 */ 5 /* 6 * Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration 7 * All rights reserved. 8 * 9 * Additional Copyright (C) 2000-2007 by Matthew Jacob 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: isp_netbsd.c,v 1.81 2009/09/07 13:39:19 tsutsui Exp $"); 37 38 #include <dev/ic/isp_netbsd.h> 39 #include <dev/ic/isp_ioctl.h> 40 #include <sys/scsiio.h> 41 42 #include <sys/timevar.h> 43 44 /* 45 * Set a timeout for the watchdogging of a command. 46 * 47 * The dimensional analysis is 48 * 49 * milliseconds * (seconds/millisecond) * (ticks/second) = ticks 50 * 51 * = 52 * 53 * (milliseconds / 1000) * hz = ticks 54 * 55 * 56 * For timeouts less than 1 second, we'll get zero. Because of this, and 57 * because we want to establish *our* timeout to be longer than what the 58 * firmware might do, we just add 3 seconds at the back end. 59 */ 60 #define _XT(xs) ((((xs)->timeout/1000) * hz) + (3 * hz)) 61 62 static void isp_config_interrupts(device_t); 63 static void ispminphys_1020(struct buf *); 64 static void ispminphys(struct buf *); 65 static void ispcmd(struct ispsoftc *, XS_T *); 66 static void isprequest(struct scsipi_channel *, scsipi_adapter_req_t, void *); 67 static int 68 ispioctl(struct scsipi_channel *, u_long, void *, int, struct proc *); 69 70 static void isp_polled_cmd_wait(struct ispsoftc *, XS_T *); 71 static void isp_dog(void *); 72 static void isp_gdt(void *); 73 static void isp_ldt(void *); 74 static void isp_make_here(ispsoftc_t *, int); 75 static void isp_make_gone(ispsoftc_t *, int); 76 static void isp_fc_worker(void *); 77 78 static const char *roles[4] = { 79 "(none)", "Target", "Initiator", "Target/Initiator" 80 }; 81 static const char prom3[] = 82 "PortID 0x%06x Departed from Target %u because of %s"; 83 int isp_change_is_bad = 0; /* "changed" devices are bad */ 84 int isp_quickboot_time = 15; /* don't wait more than N secs for loop up */ 85 static int isp_fabric_hysteresis = 5; 86 #define isp_change_is_bad 0 87 88 /* 89 * Complete attachment of hardware, include subdevices. 90 */ 91 92 void 93 isp_attach(struct ispsoftc *isp) 94 { 95 device_t self = isp->isp_osinfo.dev; 96 int i; 97 98 isp->isp_state = ISP_RUNSTATE; 99 100 isp->isp_osinfo.adapter.adapt_dev = self; 101 isp->isp_osinfo.adapter.adapt_openings = isp->isp_maxcmds; 102 isp->isp_osinfo.loop_down_limit = 300; 103 104 /* 105 * It's not stated whether max_periph is limited by SPI 106 * tag uage, but let's assume that it is. 107 */ 108 isp->isp_osinfo.adapter.adapt_max_periph = min(isp->isp_maxcmds, 255); 109 isp->isp_osinfo.adapter.adapt_ioctl = ispioctl; 110 isp->isp_osinfo.adapter.adapt_request = isprequest; 111 if (isp->isp_type <= ISP_HA_SCSI_1020A) { 112 isp->isp_osinfo.adapter.adapt_minphys = ispminphys_1020; 113 } else { 114 isp->isp_osinfo.adapter.adapt_minphys = ispminphys; 115 } 116 117 callout_init(&isp->isp_osinfo.gdt, 0); 118 callout_setfunc(&isp->isp_osinfo.gdt, isp_gdt, isp); 119 callout_init(&isp->isp_osinfo.ldt, 0); 120 callout_setfunc(&isp->isp_osinfo.ldt, isp_ldt, isp); 121 if (IS_FC(isp)) { 122 if (kthread_create(PRI_NONE, 0, NULL, isp_fc_worker, isp, 123 &isp->isp_osinfo.thread, "%s:fc_thrd", 124 device_xname(self))) { 125 isp_prt(isp, ISP_LOGERR, 126 "unable to create FC worker thread"); 127 return; 128 } 129 } 130 131 for (i = 0; i != isp->isp_osinfo.adapter.adapt_nchannels; i++) { 132 isp->isp_osinfo.chan[i].chan_adapter = 133 &isp->isp_osinfo.adapter; 134 isp->isp_osinfo.chan[i].chan_bustype = &scsi_bustype; 135 isp->isp_osinfo.chan[i].chan_channel = i; 136 /* 137 * Until the midlayer is fixed to use REPORT LUNS, 138 * limit to 8 luns. 139 */ 140 isp->isp_osinfo.chan[i].chan_nluns = min(isp->isp_maxluns, 8); 141 if (IS_FC(isp)) { 142 isp->isp_osinfo.chan[i].chan_ntargets = MAX_FC_TARG; 143 if (ISP_CAP_2KLOGIN(isp) == 0 && MAX_FC_TARG > 256) { 144 isp->isp_osinfo.chan[i].chan_ntargets = 256; 145 } 146 isp->isp_osinfo.chan[i].chan_id = MAX_FC_TARG; 147 } else { 148 isp->isp_osinfo.chan[i].chan_ntargets = MAX_TARGETS; 149 isp->isp_osinfo.chan[i].chan_id = 150 SDPARAM(isp, i)->isp_initiator_id; 151 ISP_LOCK(isp); 152 (void) isp_control(isp, ISPCTL_RESET_BUS, i); 153 ISP_UNLOCK(isp); 154 } 155 } 156 157 /* 158 * Defer enabling mailbox interrupts until later. 159 */ 160 config_interrupts(self, isp_config_interrupts); 161 } 162 163 static void 164 isp_config_interrupts(device_t self) 165 { 166 int i; 167 struct ispsoftc *isp = device_private(self); 168 169 isp->isp_osinfo.mbox_sleep_ok = 1; 170 171 if (IS_FC(isp) && (FCPARAM(isp, 0)->isp_fwstate != FW_READY || 172 FCPARAM(isp, 0)->isp_loopstate != LOOP_READY)) { 173 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 174 "Starting Initial Loop Down Timer"); 175 callout_schedule(&isp->isp_osinfo.ldt, isp_quickboot_time * hz); 176 } 177 178 /* 179 * And attach children (if any). 180 */ 181 for (i = 0; i < isp->isp_osinfo.adapter.adapt_nchannels; i++) { 182 config_found(self, &isp->isp_osinfo.chan[i], scsiprint); 183 } 184 } 185 186 /* 187 * minphys our xfers 188 */ 189 static void 190 ispminphys_1020(struct buf *bp) 191 { 192 if (bp->b_bcount >= (1 << 24)) { 193 bp->b_bcount = (1 << 24); 194 } 195 minphys(bp); 196 } 197 198 static void 199 ispminphys(struct buf *bp) 200 { 201 if (bp->b_bcount >= (1 << 30)) { 202 bp->b_bcount = (1 << 30); 203 } 204 minphys(bp); 205 } 206 207 static int 208 ispioctl(struct scsipi_channel *chan, u_long cmd, void *addr, int flag, 209 struct proc *p) 210 { 211 struct ispsoftc *isp = device_private(chan->chan_adapter->adapt_dev); 212 int nr, bus, retval = ENOTTY; 213 214 switch (cmd) { 215 case ISP_SDBLEV: 216 { 217 int olddblev = isp->isp_dblev; 218 isp->isp_dblev = *(int *)addr; 219 *(int *)addr = olddblev; 220 retval = 0; 221 break; 222 } 223 case ISP_GETROLE: 224 bus = *(int *)addr; 225 if (bus < 0 || bus >= isp->isp_nchan) { 226 retval = -ENXIO; 227 break; 228 } 229 if (IS_FC(isp)) { 230 *(int *)addr = FCPARAM(isp, bus)->role; 231 } else { 232 *(int *)addr = SDPARAM(isp, bus)->role; 233 } 234 retval = 0; 235 break; 236 case ISP_SETROLE: 237 238 nr = *(int *)addr; 239 bus = nr >> 8; 240 if (bus < 0 || bus >= isp->isp_nchan) { 241 retval = -ENXIO; 242 break; 243 } 244 nr &= 0xff; 245 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 246 retval = EINVAL; 247 break; 248 } 249 if (IS_FC(isp)) { 250 *(int *)addr = FCPARAM(isp, bus)->role; 251 FCPARAM(isp, bus)->role = nr; 252 } else { 253 *(int *)addr = SDPARAM(isp, bus)->role; 254 SDPARAM(isp, bus)->role = nr; 255 } 256 retval = 0; 257 break; 258 259 case ISP_RESETHBA: 260 ISP_LOCK(isp); 261 isp_reinit(isp, 0); 262 ISP_UNLOCK(isp); 263 retval = 0; 264 break; 265 266 case ISP_RESCAN: 267 if (IS_FC(isp)) { 268 bus = *(int *)addr; 269 if (bus < 0 || bus >= isp->isp_nchan) { 270 retval = -ENXIO; 271 break; 272 } 273 ISP_LOCK(isp); 274 if (isp_fc_runstate(isp, bus, 5 * 1000000)) { 275 retval = EIO; 276 } else { 277 retval = 0; 278 } 279 ISP_UNLOCK(isp); 280 } 281 break; 282 283 case ISP_FC_LIP: 284 if (IS_FC(isp)) { 285 bus = *(int *)addr; 286 if (bus < 0 || bus >= isp->isp_nchan) { 287 retval = -ENXIO; 288 break; 289 } 290 ISP_LOCK(isp); 291 if (isp_control(isp, ISPCTL_SEND_LIP, bus)) { 292 retval = EIO; 293 } else { 294 retval = 0; 295 } 296 ISP_UNLOCK(isp); 297 } 298 break; 299 case ISP_FC_GETDINFO: 300 { 301 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 302 fcportdb_t *lp; 303 304 if (IS_SCSI(isp)) { 305 break; 306 } 307 if (ifc->loopid >= MAX_FC_TARG) { 308 retval = EINVAL; 309 break; 310 } 311 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 312 if (lp->state == FC_PORTDB_STATE_VALID) { 313 ifc->role = lp->roles; 314 ifc->loopid = lp->handle; 315 ifc->portid = lp->portid; 316 ifc->node_wwn = lp->node_wwn; 317 ifc->port_wwn = lp->port_wwn; 318 retval = 0; 319 } else { 320 retval = ENODEV; 321 } 322 break; 323 } 324 case ISP_GET_STATS: 325 { 326 isp_stats_t *sp = (isp_stats_t *) addr; 327 328 ISP_MEMZERO(sp, sizeof (*sp)); 329 sp->isp_stat_version = ISP_STATS_VERSION; 330 sp->isp_type = isp->isp_type; 331 sp->isp_revision = isp->isp_revision; 332 ISP_LOCK(isp); 333 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 334 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 335 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 336 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 337 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 338 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 339 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 340 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 341 ISP_UNLOCK(isp); 342 retval = 0; 343 break; 344 } 345 case ISP_CLR_STATS: 346 ISP_LOCK(isp); 347 isp->isp_intcnt = 0; 348 isp->isp_intbogus = 0; 349 isp->isp_intmboxc = 0; 350 isp->isp_intoasync = 0; 351 isp->isp_rsltccmplt = 0; 352 isp->isp_fphccmplt = 0; 353 isp->isp_rscchiwater = 0; 354 isp->isp_fpcchiwater = 0; 355 ISP_UNLOCK(isp); 356 retval = 0; 357 break; 358 case ISP_FC_GETHINFO: 359 { 360 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 361 bus = hba->fc_channel; 362 363 if (bus < 0 || bus >= isp->isp_nchan) { 364 retval = ENXIO; 365 break; 366 } 367 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 368 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 369 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 370 hba->fc_nchannels = isp->isp_nchan; 371 hba->fc_nports = isp->isp_nchan;/* XXXX 24XX STUFF? XXX */ 372 if (IS_FC(isp)) { 373 hba->fc_speed = FCPARAM(isp, bus)->isp_gbspeed; 374 hba->fc_topology = FCPARAM(isp, bus)->isp_topo + 1; 375 hba->fc_loopid = FCPARAM(isp, bus)->isp_loopid; 376 hba->nvram_node_wwn = FCPARAM(isp, bus)->isp_wwnn_nvram; 377 hba->nvram_port_wwn = FCPARAM(isp, bus)->isp_wwpn_nvram; 378 hba->active_node_wwn = FCPARAM(isp, bus)->isp_wwnn; 379 hba->active_port_wwn = FCPARAM(isp, bus)->isp_wwpn; 380 } else { 381 hba->fc_speed = 0; 382 hba->fc_topology = 0; 383 hba->nvram_node_wwn = 0ull; 384 hba->nvram_port_wwn = 0ull; 385 hba->active_node_wwn = 0ull; 386 hba->active_port_wwn = 0ull; 387 } 388 retval = 0; 389 break; 390 } 391 case ISP_TSK_MGMT: 392 { 393 int needmarker; 394 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 395 uint16_t loopid; 396 mbreg_t mbs; 397 398 if (IS_SCSI(isp)) { 399 break; 400 } 401 402 bus = fct->chan; 403 if (bus < 0 || bus >= isp->isp_nchan) { 404 retval = -ENXIO; 405 break; 406 } 407 408 memset(&mbs, 0, sizeof (mbs)); 409 needmarker = retval = 0; 410 loopid = fct->loopid; 411 if (ISP_CAP_2KLOGIN(isp) == 0) { 412 loopid <<= 8; 413 } 414 switch (fct->action) { 415 case IPT_CLEAR_ACA: 416 mbs.param[0] = MBOX_CLEAR_ACA; 417 mbs.param[1] = loopid; 418 mbs.param[2] = fct->lun; 419 break; 420 case IPT_TARGET_RESET: 421 mbs.param[0] = MBOX_TARGET_RESET; 422 mbs.param[1] = loopid; 423 needmarker = 1; 424 break; 425 case IPT_LUN_RESET: 426 mbs.param[0] = MBOX_LUN_RESET; 427 mbs.param[1] = loopid; 428 mbs.param[2] = fct->lun; 429 needmarker = 1; 430 break; 431 case IPT_CLEAR_TASK_SET: 432 mbs.param[0] = MBOX_CLEAR_TASK_SET; 433 mbs.param[1] = loopid; 434 mbs.param[2] = fct->lun; 435 needmarker = 1; 436 break; 437 case IPT_ABORT_TASK_SET: 438 mbs.param[0] = MBOX_ABORT_TASK_SET; 439 mbs.param[1] = loopid; 440 mbs.param[2] = fct->lun; 441 needmarker = 1; 442 break; 443 default: 444 retval = EINVAL; 445 break; 446 } 447 if (retval == 0) { 448 if (needmarker) { 449 FCPARAM(isp, bus)->sendmarker = 1; 450 } 451 ISP_LOCK(isp); 452 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 453 ISP_UNLOCK(isp); 454 if (retval) { 455 retval = EIO; 456 } 457 } 458 break; 459 } 460 case ISP_FC_GETDLIST: 461 { 462 isp_dlist_t local, *ua; 463 uint16_t nph, nphe, count, channel, lim; 464 struct wwnpair pair, *uptr; 465 466 if (IS_SCSI(isp)) { 467 retval = EINVAL; 468 break; 469 } 470 471 ua = *(isp_dlist_t **)addr; 472 if (copyin(ua, &local, sizeof (isp_dlist_t))) { 473 retval = EFAULT; 474 break; 475 } 476 lim = local.count; 477 channel = local.channel; 478 479 ua = *(isp_dlist_t **)addr; 480 uptr = &ua->wwns[0]; 481 482 if (ISP_CAP_2KLOGIN(isp)) { 483 nphe = NPH_MAX_2K; 484 } else { 485 nphe = NPH_MAX; 486 } 487 for (count = 0, nph = 0; count < lim && nph != nphe; nph++) { 488 ISP_LOCK(isp); 489 retval = isp_control(isp, ISPCTL_GET_NAMES, channel, 490 nph, &pair.wwnn, &pair.wwpn); 491 ISP_UNLOCK(isp); 492 if (retval || (pair.wwpn == INI_NONE && 493 pair.wwnn == INI_NONE)) { 494 retval = 0; 495 continue; 496 } 497 if (copyout(&pair, (void *)uptr++, sizeof (pair))) { 498 retval = EFAULT; 499 break; 500 } 501 count++; 502 } 503 if (retval == 0) { 504 if (copyout(&count, (void *)&ua->count, 505 sizeof (count))) { 506 retval = EFAULT; 507 } 508 } 509 break; 510 } 511 case SCBUSIORESET: 512 ISP_LOCK(isp); 513 if (isp_control(isp, ISPCTL_RESET_BUS, &chan->chan_channel)) { 514 retval = EIO; 515 } else { 516 retval = 0; 517 } 518 ISP_UNLOCK(isp); 519 break; 520 default: 521 break; 522 } 523 return (retval); 524 } 525 526 static void 527 ispcmd(struct ispsoftc *isp, XS_T *xs) 528 { 529 volatile uint8_t ombi; 530 int lim, chan; 531 532 ISP_LOCK(isp); 533 if (isp->isp_state < ISP_RUNSTATE) { 534 ISP_DISABLE_INTS(isp); 535 isp_init(isp); 536 if (isp->isp_state != ISP_INITSTATE) { 537 ISP_ENABLE_INTS(isp); 538 ISP_UNLOCK(isp); 539 isp_prt(isp, ISP_LOGERR, "isp not at init state"); 540 XS_SETERR(xs, HBA_BOTCH); 541 scsipi_done(xs); 542 return; 543 } 544 isp->isp_state = ISP_RUNSTATE; 545 ISP_ENABLE_INTS(isp); 546 } 547 chan = XS_CHANNEL(xs); 548 549 /* 550 * Handle the case of a FC card where the FC thread hasn't 551 * fired up yet and we don't yet have a known loop state. 552 */ 553 if (IS_FC(isp) && (FCPARAM(isp, chan)->isp_fwstate != FW_READY || 554 FCPARAM(isp, chan)->isp_loopstate != LOOP_READY) && 555 isp->isp_osinfo.thread == NULL) { 556 ombi = isp->isp_osinfo.mbox_sleep_ok != 0; 557 int delay_time; 558 559 if (xs->xs_control & XS_CTL_POLL) { 560 isp->isp_osinfo.mbox_sleep_ok = 0; 561 } 562 563 if (isp->isp_osinfo.loop_checked == 0) { 564 delay_time = 10 * 1000000; 565 isp->isp_osinfo.loop_checked = 1; 566 } else { 567 delay_time = 250000; 568 } 569 570 if (isp_fc_runstate(isp, XS_CHANNEL(xs), delay_time) != 0) { 571 if (xs->xs_control & XS_CTL_POLL) { 572 isp->isp_osinfo.mbox_sleep_ok = ombi; 573 } 574 if (FCPARAM(isp, XS_CHANNEL(xs))->loop_seen_once == 0) { 575 XS_SETERR(xs, HBA_SELTIMEOUT); 576 scsipi_done(xs); 577 ISP_UNLOCK(isp); 578 return; 579 } 580 /* 581 * Otherwise, fall thru to be queued up for later. 582 */ 583 } else { 584 int wasblocked = 585 (isp->isp_osinfo.blocked || isp->isp_osinfo.paused); 586 isp->isp_osinfo.blocked = isp->isp_osinfo.paused = 0; 587 if (wasblocked) { 588 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 589 "THAW QUEUES @ LINE %d", __LINE__); 590 scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 591 1); 592 } 593 } 594 if (xs->xs_control & XS_CTL_POLL) { 595 isp->isp_osinfo.mbox_sleep_ok = ombi; 596 } 597 } 598 599 if (isp->isp_osinfo.paused) { 600 isp_prt(isp, ISP_LOGWARN, "I/O while paused"); 601 xs->error = XS_RESOURCE_SHORTAGE; 602 scsipi_done(xs); 603 ISP_UNLOCK(isp); 604 return; 605 } 606 if (isp->isp_osinfo.blocked) { 607 isp_prt(isp, ISP_LOGWARN, 608 "I/O while blocked with retries %d", xs, xs->xs_retries); 609 if (xs->xs_retries) { 610 xs->error = XS_REQUEUE; 611 xs->xs_retries--; 612 } else { 613 XS_SETERR(xs, HBA_SELTIMEOUT); 614 } 615 scsipi_done(xs); 616 ISP_UNLOCK(isp); 617 return; 618 } 619 620 if (xs->xs_control & XS_CTL_POLL) { 621 ombi = isp->isp_osinfo.mbox_sleep_ok; 622 isp->isp_osinfo.mbox_sleep_ok = 0; 623 } 624 625 switch (isp_start(xs)) { 626 case CMD_QUEUED: 627 if (xs->xs_control & XS_CTL_POLL) { 628 isp_polled_cmd_wait(isp, xs); 629 isp->isp_osinfo.mbox_sleep_ok = ombi; 630 } else if (xs->timeout) { 631 callout_reset(&xs->xs_callout, _XT(xs), isp_dog, xs); 632 } 633 break; 634 case CMD_EAGAIN: 635 isp->isp_osinfo.paused = 1; 636 xs->error = XS_RESOURCE_SHORTAGE; 637 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 638 "FREEZE QUEUES @ LINE %d", __LINE__); 639 for (chan = 0; chan < isp->isp_nchan; chan++) { 640 scsipi_channel_freeze(&isp->isp_osinfo.chan[chan], 1); 641 } 642 scsipi_done(xs); 643 break; 644 case CMD_RQLATER: 645 /* 646 * We can only get RQLATER from FC devices (1 channel only) 647 * 648 * If we've never seen loop up see if if we've been down 649 * quickboot time, otherwise wait loop down limit time. 650 * If so, then we start giving up on commands. 651 */ 652 if (FCPARAM(isp, XS_CHANNEL(xs))->loop_seen_once == 0) { 653 lim = isp_quickboot_time; 654 } else { 655 lim = isp->isp_osinfo.loop_down_limit; 656 } 657 if (isp->isp_osinfo.loop_down_time >= lim) { 658 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 659 "RQLATER->SELTIMEOUT for %d (%d >= %d)", XS_TGT(xs), 660 isp->isp_osinfo.loop_down_time, lim); 661 XS_SETERR(xs, HBA_SELTIMEOUT); 662 scsipi_done(xs); 663 break; 664 } 665 if (isp->isp_osinfo.blocked == 0) { 666 isp->isp_osinfo.blocked = 1; 667 scsipi_channel_freeze(&isp->isp_osinfo.chan[chan], 1); 668 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 669 "FREEZE QUEUES @ LINE %d", __LINE__); 670 } else { 671 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 672 "RQLATER WITH FROZEN QUEUES @ LINE %d", __LINE__); 673 } 674 xs->error = XS_REQUEUE; 675 scsipi_done(xs); 676 break; 677 case CMD_COMPLETE: 678 scsipi_done(xs); 679 break; 680 } 681 ISP_UNLOCK(isp); 682 } 683 684 static void 685 isprequest(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 686 { 687 struct ispsoftc *isp = device_private(chan->chan_adapter->adapt_dev); 688 689 switch (req) { 690 case ADAPTER_REQ_RUN_XFER: 691 ispcmd(isp, (XS_T *) arg); 692 break; 693 694 case ADAPTER_REQ_GROW_RESOURCES: 695 /* Not supported. */ 696 break; 697 698 case ADAPTER_REQ_SET_XFER_MODE: 699 if (IS_SCSI(isp)) { 700 struct scsipi_xfer_mode *xm = arg; 701 int dflags = 0; 702 sdparam *sdp = SDPARAM(isp, chan->chan_channel); 703 704 if (xm->xm_mode & PERIPH_CAP_TQING) 705 dflags |= DPARM_TQING; 706 if (xm->xm_mode & PERIPH_CAP_WIDE16) 707 dflags |= DPARM_WIDE; 708 if (xm->xm_mode & PERIPH_CAP_SYNC) 709 dflags |= DPARM_SYNC; 710 ISP_LOCK(isp); 711 sdp->isp_devparam[xm->xm_target].goal_flags |= dflags; 712 dflags = sdp->isp_devparam[xm->xm_target].goal_flags; 713 sdp->isp_devparam[xm->xm_target].dev_update = 1; 714 sdp->update = 1; 715 ISP_UNLOCK(isp); 716 isp_prt(isp, ISP_LOGDEBUG1, 717 "isprequest: device flags 0x%x for %d.%d.X", 718 dflags, chan->chan_channel, xm->xm_target); 719 break; 720 } 721 default: 722 break; 723 } 724 } 725 726 static void 727 isp_polled_cmd_wait(struct ispsoftc *isp, XS_T *xs) 728 { 729 int infinite = 0, mswait; 730 731 /* 732 * If we can't use interrupts, poll on completion. 733 */ 734 if ((mswait = XS_TIME(xs)) == 0) { 735 infinite = 1; 736 } 737 738 while (mswait || infinite) { 739 uint32_t isr; 740 uint16_t sema, mbox; 741 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 742 isp_intr(isp, isr, sema, mbox); 743 if (XS_CMD_DONE_P(xs)) { 744 break; 745 } 746 } 747 ISP_DELAY(1000); 748 mswait -= 1; 749 } 750 751 /* 752 * If no other error occurred but we didn't finish 753 * something bad happened, so abort the command. 754 */ 755 if (XS_CMD_DONE_P(xs) == 0) { 756 if (isp_control(isp, ISPCTL_ABORT_CMD, xs)) { 757 isp_reinit(isp, 0); 758 } 759 if (XS_NOERR(xs)) { 760 isp_prt(isp, ISP_LOGERR, "polled command timed out"); 761 XS_SETERR(xs, HBA_BOTCH); 762 } 763 } 764 scsipi_done(xs); 765 } 766 767 void 768 isp_done(XS_T *xs) 769 { 770 if (XS_CMD_WDOG_P(xs) == 0) { 771 struct ispsoftc *isp = XS_ISP(xs); 772 callout_stop(&xs->xs_callout); 773 if (XS_CMD_GRACE_P(xs)) { 774 isp_prt(isp, ISP_LOGDEBUG1, 775 "finished command on borrowed time"); 776 } 777 XS_CMD_S_CLEAR(xs); 778 /* 779 * Fixup- if we get a QFULL, we need 780 * to set XS_BUSY as the error. 781 */ 782 if (xs->status == SCSI_QUEUE_FULL) { 783 xs->error = XS_BUSY; 784 } 785 if (isp->isp_osinfo.paused) { 786 int i; 787 isp->isp_osinfo.paused = 0; 788 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 789 "THAW QUEUES @ LINE %d", __LINE__); 790 for (i = 0; i < isp->isp_nchan; i++) { 791 scsipi_channel_timed_thaw(&isp->isp_osinfo.chan[i]); 792 } 793 } 794 if (xs->error == XS_DRIVER_STUFFUP) { 795 isp_prt(isp, ISP_LOGERR, 796 "BOTCHED cmd for %d.%d.%d cmd 0x%x datalen %ld", 797 XS_CHANNEL(xs), XS_TGT(xs), XS_LUN(xs), 798 XS_CDBP(xs)[0], (long) XS_XFRLEN(xs)); 799 } 800 scsipi_done(xs); 801 } 802 } 803 804 static void 805 isp_dog(void *arg) 806 { 807 XS_T *xs = arg; 808 struct ispsoftc *isp = XS_ISP(xs); 809 uint32_t handle; 810 811 812 ISP_ILOCK(isp); 813 /* 814 * We've decided this command is dead. Make sure we're not trying 815 * to kill a command that's already dead by getting it's handle and 816 * and seeing whether it's still alive. 817 */ 818 handle = isp_find_handle(isp, xs); 819 if (handle) { 820 uint32_t isr; 821 uint16_t mbox, sema; 822 823 if (XS_CMD_DONE_P(xs)) { 824 isp_prt(isp, ISP_LOGDEBUG1, 825 "watchdog found done cmd (handle 0x%x)", handle); 826 ISP_IUNLOCK(isp); 827 return; 828 } 829 830 if (XS_CMD_WDOG_P(xs)) { 831 isp_prt(isp, ISP_LOGDEBUG1, 832 "recursive watchdog (handle 0x%x)", handle); 833 ISP_IUNLOCK(isp); 834 return; 835 } 836 837 XS_CMD_S_WDOG(xs); 838 839 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 840 isp_intr(isp, isr, sema, mbox); 841 842 } 843 if (XS_CMD_DONE_P(xs)) { 844 isp_prt(isp, ISP_LOGDEBUG1, 845 "watchdog cleanup for handle 0x%x", handle); 846 XS_CMD_C_WDOG(xs); 847 isp_done(xs); 848 } else if (XS_CMD_GRACE_P(xs)) { 849 isp_prt(isp, ISP_LOGDEBUG1, 850 "watchdog timeout for handle 0x%x", handle); 851 /* 852 * Make sure the command is *really* dead before we 853 * release the handle (and DMA resources) for reuse. 854 */ 855 (void) isp_control(isp, ISPCTL_ABORT_CMD, arg); 856 857 /* 858 * After this point, the command is really dead. 859 */ 860 if (XS_XFRLEN(xs)) { 861 ISP_DMAFREE(isp, xs, handle); 862 } 863 isp_destroy_handle(isp, handle); 864 XS_SETERR(xs, XS_TIMEOUT); 865 XS_CMD_S_CLEAR(xs); 866 isp_done(xs); 867 } else { 868 void *qe; 869 isp_marker_t local, *mp = &local; 870 isp_prt(isp, ISP_LOGDEBUG2, 871 "possible command timeout on handle %x", handle); 872 XS_CMD_C_WDOG(xs); 873 callout_reset(&xs->xs_callout, hz, isp_dog, xs); 874 qe = isp_getrqentry(isp); 875 if (qe == NULL) { 876 ISP_UNLOCK(isp); 877 return; 878 } 879 XS_CMD_S_GRACE(xs); 880 ISP_MEMZERO((void *) mp, sizeof (*mp)); 881 mp->mrk_header.rqs_entry_count = 1; 882 mp->mrk_header.rqs_entry_type = RQSTYPE_MARKER; 883 mp->mrk_modifier = SYNC_ALL; 884 mp->mrk_target = XS_CHANNEL(xs) << 7; 885 isp_put_marker(isp, mp, qe); 886 ISP_SYNC_REQUEST(isp); 887 } 888 } else { 889 isp_prt(isp, ISP_LOGDEBUG0, "watchdog with no command"); 890 } 891 ISP_IUNLOCK(isp); 892 } 893 894 /* 895 * Gone Device Timer Function- when we have decided that a device has gone 896 * away, we wait a specific period of time prior to telling the OS it has 897 * gone away. 898 * 899 * This timer function fires once a second and then scans the port database 900 * for devices that are marked dead but still have a virtual target assigned. 901 * We decrement a counter for that port database entry, and when it hits zero, 902 * we tell the OS the device has gone away. 903 */ 904 static void 905 isp_gdt(void *arg) 906 { 907 ispsoftc_t *isp = arg; 908 fcportdb_t *lp; 909 int dbidx, tgt, more_to_do = 0; 910 911 isp_prt(isp, ISP_LOGDEBUG0, "GDT timer expired"); 912 ISP_LOCK(isp); 913 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 914 lp = &FCPARAM(isp, 0)->portdb[dbidx]; 915 916 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 917 continue; 918 } 919 if (lp->dev_map_idx == 0) { 920 continue; 921 } 922 if (lp->new_reserved == 0) { 923 continue; 924 } 925 lp->new_reserved -= 1; 926 if (lp->new_reserved != 0) { 927 more_to_do++; 928 continue; 929 } 930 tgt = lp->dev_map_idx - 1; 931 FCPARAM(isp, 0)->isp_dev_map[tgt] = 0; 932 lp->dev_map_idx = 0; 933 lp->state = FC_PORTDB_STATE_NIL; 934 isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt, 935 "Gone Device Timeout"); 936 isp_make_gone(isp, tgt); 937 } 938 if (more_to_do) { 939 callout_schedule(&isp->isp_osinfo.gdt, hz); 940 } else { 941 isp->isp_osinfo.gdt_running = 0; 942 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 943 "stopping Gone Device Timer"); 944 } 945 ISP_UNLOCK(isp); 946 } 947 948 /* 949 * Loop Down Timer Function- when loop goes down, a timer is started and 950 * and after it expires we come here and take all probational devices that 951 * the OS knows about and the tell the OS that they've gone away. 952 * 953 * We don't clear the devices out of our port database because, when loop 954 * come back up, we have to do some actual cleanup with the chip at that 955 * point (implicit PLOGO, e.g., to get the chip's port database state right). 956 */ 957 static void 958 isp_ldt(void *arg) 959 { 960 ispsoftc_t *isp = arg; 961 fcportdb_t *lp; 962 int dbidx, tgt; 963 964 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Loop Down Timer expired"); 965 ISP_LOCK(isp); 966 967 /* 968 * Notify to the OS all targets who we now consider have departed. 969 */ 970 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 971 lp = &FCPARAM(isp, 0)->portdb[dbidx]; 972 973 if (lp->state != FC_PORTDB_STATE_PROBATIONAL) { 974 continue; 975 } 976 if (lp->dev_map_idx == 0) { 977 continue; 978 } 979 980 /* 981 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 982 */ 983 984 /* 985 * Mark that we've announced that this device is gone.... 986 */ 987 lp->reserved = 1; 988 989 /* 990 * but *don't* change the state of the entry. Just clear 991 * any target id stuff and announce to CAM that the 992 * device is gone. This way any necessary PLOGO stuff 993 * will happen when loop comes back up. 994 */ 995 996 tgt = lp->dev_map_idx - 1; 997 FCPARAM(isp, 0)->isp_dev_map[tgt] = 0; 998 lp->dev_map_idx = 0; 999 isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt, 1000 "Loop Down Timeout"); 1001 isp_make_gone(isp, tgt); 1002 } 1003 1004 /* 1005 * The loop down timer has expired. Wake up the kthread 1006 * to notice that fact (or make it false). 1007 */ 1008 isp->isp_osinfo.loop_down_time = isp->isp_osinfo.loop_down_limit+1; 1009 wakeup(&isp->isp_osinfo.thread); 1010 ISP_UNLOCK(isp); 1011 } 1012 1013 static void 1014 isp_make_here(ispsoftc_t *isp, int tgt) 1015 { 1016 isp_prt(isp, ISP_LOGINFO, "target %d has arrived", tgt); 1017 } 1018 1019 static void 1020 isp_make_gone(ispsoftc_t *isp, int tgt) 1021 { 1022 isp_prt(isp, ISP_LOGINFO, "target %d has departed", tgt); 1023 } 1024 1025 static void 1026 isp_fc_worker(void *arg) 1027 { 1028 void scsipi_run_queue(struct scsipi_channel *); 1029 ispsoftc_t *isp = arg; 1030 int slp = 0; 1031 int chan = 0; 1032 1033 int s = splbio(); 1034 /* 1035 * The first loop is for our usage where we have yet to have 1036 * gotten good fibre channel state. 1037 */ 1038 while (isp->isp_osinfo.thread != NULL) { 1039 int sok, lb, lim; 1040 1041 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "checking FC state"); 1042 sok = isp->isp_osinfo.mbox_sleep_ok; 1043 isp->isp_osinfo.mbox_sleep_ok = 1; 1044 lb = isp_fc_runstate(isp, chan, 250000); 1045 isp->isp_osinfo.mbox_sleep_ok = sok; 1046 if (lb) { 1047 /* 1048 * Increment loop down time by the last sleep interval 1049 */ 1050 isp->isp_osinfo.loop_down_time += slp; 1051 1052 if (lb < 0) { 1053 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1054 "FC loop not up (down count %d)", 1055 isp->isp_osinfo.loop_down_time); 1056 } else { 1057 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1058 "FC got to %d (down count %d)", 1059 lb, isp->isp_osinfo.loop_down_time); 1060 } 1061 1062 1063 /* 1064 * If we've never seen loop up and we've waited longer 1065 * than quickboot time, or we've seen loop up but we've 1066 * waited longer than loop_down_limit, give up and go 1067 * to sleep until loop comes up. 1068 */ 1069 if (FCPARAM(isp, 0)->loop_seen_once == 0) { 1070 lim = isp_quickboot_time; 1071 } else { 1072 lim = isp->isp_osinfo.loop_down_limit; 1073 } 1074 if (isp->isp_osinfo.loop_down_time >= lim) { 1075 /* 1076 * If we're now past our limit, release 1077 * the queues and let them come in and 1078 * either get HBA_SELTIMOUT or cause 1079 * another freeze. 1080 */ 1081 isp->isp_osinfo.blocked = 1; 1082 slp = 0; 1083 } else if (isp->isp_osinfo.loop_down_time < 10) { 1084 slp = 1; 1085 } else if (isp->isp_osinfo.loop_down_time < 30) { 1086 slp = 5; 1087 } else if (isp->isp_osinfo.loop_down_time < 60) { 1088 slp = 10; 1089 } else if (isp->isp_osinfo.loop_down_time < 120) { 1090 slp = 20; 1091 } else { 1092 slp = 30; 1093 } 1094 1095 } else { 1096 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1097 "FC state OK"); 1098 isp->isp_osinfo.loop_down_time = 0; 1099 slp = 0; 1100 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1101 "THAW QUEUES @ LINE %d", __LINE__); 1102 scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 1); 1103 } 1104 1105 /* 1106 * If we'd frozen the queues, unfreeze them now so that 1107 * we can start getting commands. If the FC state isn't 1108 * okay yet, they'll hit that in isp_start which will 1109 * freeze the queues again. 1110 */ 1111 if (isp->isp_osinfo.blocked) { 1112 isp->isp_osinfo.blocked = 0; 1113 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1114 "THAW QUEUES @ LINE %d", __LINE__); 1115 scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 1); 1116 } 1117 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "sleep time %d", slp); 1118 tsleep(&isp->isp_osinfo.thread, PRIBIO, "ispf", slp * hz); 1119 1120 /* 1121 * If slp is zero, we're waking up for the first time after 1122 * things have been okay. In this case, we set a deferral state 1123 * for all commands and delay hysteresis seconds before starting 1124 * the FC state evaluation. This gives the loop/fabric a chance 1125 * to settle. 1126 */ 1127 if (slp == 0 && isp_fabric_hysteresis) { 1128 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1129 "sleep hysteresis tick time %d", 1130 isp_fabric_hysteresis * hz); 1131 (void) tsleep(&isp_fabric_hysteresis, PRIBIO, "ispT", 1132 (isp_fabric_hysteresis * hz)); 1133 } 1134 } 1135 splx(s); 1136 1137 /* In case parent is waiting for us to exit. */ 1138 wakeup(&isp->isp_osinfo.thread); 1139 kthread_exit(0); 1140 } 1141 1142 /* 1143 * Free any associated resources prior to decommissioning and 1144 * set the card to a known state (so it doesn't wake up and kick 1145 * us when we aren't expecting it to). 1146 * 1147 * Locks are held before coming here. 1148 */ 1149 void 1150 isp_uninit(struct ispsoftc *isp) 1151 { 1152 isp_lock(isp); 1153 /* 1154 * Leave with interrupts disabled. 1155 */ 1156 ISP_DISABLE_INTS(isp); 1157 isp_unlock(isp); 1158 } 1159 1160 void 1161 isp_async(struct ispsoftc *isp, ispasync_t cmd, ...) 1162 { 1163 int bus, tgt; 1164 const char *msg = NULL; 1165 static const char prom[] = 1166 "PortID 0x%06x handle 0x%x role %s %s\n" 1167 " WWNN 0x%08x%08x WWPN 0x%08x%08x"; 1168 static const char prom2[] = 1169 "PortID 0x%06x handle 0x%x role %s %s tgt %u\n" 1170 " WWNN 0x%08x%08x WWPN 0x%08x%08x"; 1171 fcportdb_t *lp; 1172 va_list ap; 1173 1174 switch (cmd) { 1175 case ISPASYNC_NEW_TGT_PARAMS: 1176 if (IS_SCSI(isp)) { 1177 sdparam *sdp; 1178 int flags; 1179 struct scsipi_xfer_mode xm; 1180 1181 va_start(ap, cmd); 1182 bus = va_arg(ap, int); 1183 tgt = va_arg(ap, int); 1184 va_end(ap); 1185 sdp = SDPARAM(isp, bus); 1186 flags = sdp->isp_devparam[tgt].actv_flags; 1187 1188 xm.xm_mode = 0; 1189 xm.xm_period = sdp->isp_devparam[tgt].actv_period; 1190 xm.xm_offset = sdp->isp_devparam[tgt].actv_offset; 1191 xm.xm_target = tgt; 1192 1193 if ((flags & DPARM_SYNC) && xm.xm_period && xm.xm_offset) 1194 xm.xm_mode |= PERIPH_CAP_SYNC; 1195 if (flags & DPARM_WIDE) 1196 xm.xm_mode |= PERIPH_CAP_WIDE16; 1197 if (flags & DPARM_TQING) 1198 xm.xm_mode |= PERIPH_CAP_TQING; 1199 scsipi_async_event(&isp->isp_osinfo.chan[bus], 1200 ASYNC_EVENT_XFER_MODE, &xm); 1201 break; 1202 } 1203 case ISPASYNC_BUS_RESET: 1204 va_start(ap, cmd); 1205 bus = va_arg(ap, int); 1206 va_end(ap); 1207 isp_prt(isp, ISP_LOGINFO, "SCSI bus %d reset detected", bus); 1208 scsipi_async_event(&isp->isp_osinfo.chan[bus], 1209 ASYNC_EVENT_RESET, NULL); 1210 break; 1211 case ISPASYNC_LIP: 1212 if (msg == NULL) { 1213 msg = "LIP Received"; 1214 } 1215 /* FALLTHROUGH */ 1216 case ISPASYNC_LOOP_RESET: 1217 if (msg == NULL) { 1218 msg = "LOOP Reset Received"; 1219 } 1220 /* FALLTHROUGH */ 1221 case ISPASYNC_LOOP_DOWN: 1222 if (msg == NULL) { 1223 msg = "Loop DOWN"; 1224 } 1225 va_start(ap, cmd); 1226 bus = va_arg(ap, int); 1227 va_end(ap); 1228 1229 /* 1230 * Don't do queue freezes or blockage until we have the 1231 * thread running and interrupts that can unfreeze/unblock us. 1232 */ 1233 if (isp->isp_osinfo.mbox_sleep_ok && 1234 isp->isp_osinfo.blocked == 0 && 1235 isp->isp_osinfo.thread) { 1236 isp->isp_osinfo.blocked = 1; 1237 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1238 "FREEZE QUEUES @ LINE %d", __LINE__); 1239 scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); 1240 if (callout_pending(&isp->isp_osinfo.ldt) == 0) { 1241 callout_schedule(&isp->isp_osinfo.ldt, 1242 isp->isp_osinfo.loop_down_limit * hz); 1243 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1244 "Starting Loop Down Timer"); 1245 } 1246 } 1247 isp_prt(isp, ISP_LOGINFO, msg); 1248 break; 1249 case ISPASYNC_LOOP_UP: 1250 /* 1251 * Let the subsequent ISPASYNC_CHANGE_NOTIFY invoke 1252 * the FC worker thread. When the FC worker thread 1253 * is done, let *it* call scsipi_channel_thaw... 1254 */ 1255 isp_prt(isp, ISP_LOGINFO, "Loop UP"); 1256 break; 1257 case ISPASYNC_DEV_ARRIVED: 1258 va_start(ap, cmd); 1259 bus = va_arg(ap, int); 1260 lp = va_arg(ap, fcportdb_t *); 1261 va_end(ap); 1262 lp->reserved = 0; 1263 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 1264 (lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT))) { 1265 int dbidx = lp - FCPARAM(isp, bus)->portdb; 1266 int i; 1267 1268 for (i = 0; i < MAX_FC_TARG; i++) { 1269 if (i >= FL_ID && i <= SNS_ID) { 1270 continue; 1271 } 1272 if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) { 1273 break; 1274 } 1275 } 1276 if (i < MAX_FC_TARG) { 1277 FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1; 1278 lp->dev_map_idx = i + 1; 1279 } else { 1280 isp_prt(isp, ISP_LOGWARN, "out of target ids"); 1281 isp_dump_portdb(isp, bus); 1282 } 1283 } 1284 if (lp->dev_map_idx) { 1285 tgt = lp->dev_map_idx - 1; 1286 isp_prt(isp, ISP_LOGCONFIG, prom2, 1287 lp->portid, lp->handle, 1288 roles[lp->roles], "arrived at", tgt, 1289 (uint32_t) (lp->node_wwn >> 32), 1290 (uint32_t) lp->node_wwn, 1291 (uint32_t) (lp->port_wwn >> 32), 1292 (uint32_t) lp->port_wwn); 1293 isp_make_here(isp, tgt); 1294 } else { 1295 isp_prt(isp, ISP_LOGCONFIG, prom, 1296 lp->portid, lp->handle, 1297 roles[lp->roles], "arrived", 1298 (uint32_t) (lp->node_wwn >> 32), 1299 (uint32_t) lp->node_wwn, 1300 (uint32_t) (lp->port_wwn >> 32), 1301 (uint32_t) lp->port_wwn); 1302 } 1303 break; 1304 case ISPASYNC_DEV_CHANGED: 1305 va_start(ap, cmd); 1306 bus = va_arg(ap, int); 1307 lp = va_arg(ap, fcportdb_t *); 1308 va_end(ap); 1309 if (isp_change_is_bad) { 1310 lp->state = FC_PORTDB_STATE_NIL; 1311 if (lp->dev_map_idx) { 1312 tgt = lp->dev_map_idx - 1; 1313 FCPARAM(isp, bus)->isp_dev_map[tgt] = 0; 1314 lp->dev_map_idx = 0; 1315 isp_prt(isp, ISP_LOGCONFIG, prom3, 1316 lp->portid, tgt, "change is bad"); 1317 isp_make_gone(isp, tgt); 1318 } else { 1319 isp_prt(isp, ISP_LOGCONFIG, prom, 1320 lp->portid, lp->handle, 1321 roles[lp->roles], 1322 "changed and departed", 1323 (uint32_t) (lp->node_wwn >> 32), 1324 (uint32_t) lp->node_wwn, 1325 (uint32_t) (lp->port_wwn >> 32), 1326 (uint32_t) lp->port_wwn); 1327 } 1328 } else { 1329 lp->portid = lp->new_portid; 1330 lp->roles = lp->new_roles; 1331 if (lp->dev_map_idx) { 1332 int t = lp->dev_map_idx - 1; 1333 FCPARAM(isp, bus)->isp_dev_map[t] = 1334 (lp - FCPARAM(isp, bus)->portdb) + 1; 1335 tgt = lp->dev_map_idx - 1; 1336 isp_prt(isp, ISP_LOGCONFIG, prom2, 1337 lp->portid, lp->handle, 1338 roles[lp->roles], "changed at", tgt, 1339 (uint32_t) (lp->node_wwn >> 32), 1340 (uint32_t) lp->node_wwn, 1341 (uint32_t) (lp->port_wwn >> 32), 1342 (uint32_t) lp->port_wwn); 1343 } else { 1344 isp_prt(isp, ISP_LOGCONFIG, prom, 1345 lp->portid, lp->handle, 1346 roles[lp->roles], "changed", 1347 (uint32_t) (lp->node_wwn >> 32), 1348 (uint32_t) lp->node_wwn, 1349 (uint32_t) (lp->port_wwn >> 32), 1350 (uint32_t) lp->port_wwn); 1351 } 1352 } 1353 break; 1354 case ISPASYNC_DEV_STAYED: 1355 va_start(ap, cmd); 1356 bus = va_arg(ap, int); 1357 lp = va_arg(ap, fcportdb_t *); 1358 va_end(ap); 1359 if (lp->dev_map_idx) { 1360 tgt = lp->dev_map_idx - 1; 1361 isp_prt(isp, ISP_LOGCONFIG, prom2, 1362 lp->portid, lp->handle, 1363 roles[lp->roles], "stayed at", tgt, 1364 (uint32_t) (lp->node_wwn >> 32), 1365 (uint32_t) lp->node_wwn, 1366 (uint32_t) (lp->port_wwn >> 32), 1367 (uint32_t) lp->port_wwn); 1368 } else { 1369 isp_prt(isp, ISP_LOGCONFIG, prom, 1370 lp->portid, lp->handle, 1371 roles[lp->roles], "stayed", 1372 (uint32_t) (lp->node_wwn >> 32), 1373 (uint32_t) lp->node_wwn, 1374 (uint32_t) (lp->port_wwn >> 32), 1375 (uint32_t) lp->port_wwn); 1376 } 1377 break; 1378 case ISPASYNC_DEV_GONE: 1379 va_start(ap, cmd); 1380 bus = va_arg(ap, int); 1381 lp = va_arg(ap, fcportdb_t *); 1382 va_end(ap); 1383 /* 1384 * If this has a virtual target and we haven't marked it 1385 * that we're going to have isp_gdt tell the OS it's gone, 1386 * set the isp_gdt timer running on it. 1387 * 1388 * If it isn't marked that isp_gdt is going to get rid of it, 1389 * announce that it's gone. 1390 */ 1391 if (lp->dev_map_idx && lp->reserved == 0) { 1392 lp->reserved = 1; 1393 lp->new_reserved = isp->isp_osinfo.gone_device_time; 1394 lp->state = FC_PORTDB_STATE_ZOMBIE; 1395 if (isp->isp_osinfo.gdt_running == 0) { 1396 isp->isp_osinfo.gdt_running = 1; 1397 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1398 "starting Gone Device Timer"); 1399 callout_schedule(&isp->isp_osinfo.gdt, hz); 1400 } 1401 tgt = lp->dev_map_idx - 1; 1402 isp_prt(isp, ISP_LOGCONFIG, prom2, 1403 lp->portid, lp->handle, 1404 roles[lp->roles], "gone zombie at", tgt, 1405 (uint32_t) (lp->node_wwn >> 32), 1406 (uint32_t) lp->node_wwn, 1407 (uint32_t) (lp->port_wwn >> 32), 1408 (uint32_t) lp->port_wwn); 1409 } else if (lp->reserved == 0) { 1410 isp_prt(isp, ISP_LOGCONFIG, prom, 1411 lp->portid, lp->handle, 1412 roles[lp->roles], "departed", 1413 (uint32_t) (lp->node_wwn >> 32), 1414 (uint32_t) lp->node_wwn, 1415 (uint32_t) (lp->port_wwn >> 32), 1416 (uint32_t) lp->port_wwn); 1417 } 1418 break; 1419 case ISPASYNC_CHANGE_NOTIFY: 1420 { 1421 int opt; 1422 1423 va_start(ap, cmd); 1424 bus = va_arg(ap, int); 1425 opt = va_arg(ap, int); 1426 va_end(ap); 1427 1428 if (opt == ISPASYNC_CHANGE_PDB) { 1429 msg = "Port Database Changed"; 1430 } else if (opt == ISPASYNC_CHANGE_SNS) { 1431 msg = "Name Server Database Changed"; 1432 } else { 1433 msg = "Other Change Notify"; 1434 } 1435 /* 1436 * If the loop down timer is running, cancel it. 1437 */ 1438 if (callout_pending(&isp->isp_osinfo.ldt)) { 1439 callout_stop(&isp->isp_osinfo.ldt); 1440 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1441 "Stopping Loop Down Timer"); 1442 } 1443 isp_prt(isp, ISP_LOGINFO, msg); 1444 /* 1445 * We can set blocked here because we know it's now okay 1446 * to try and run isp_fc_runstate (in order to build loop 1447 * state). But we don't try and freeze the midlayer's queue 1448 * if we have no thread that we can wake to later unfreeze 1449 * it. 1450 */ 1451 if (isp->isp_osinfo.blocked == 0) { 1452 isp->isp_osinfo.blocked = 1; 1453 if (isp->isp_osinfo.thread) { 1454 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1455 "FREEZE QUEUES @ LINE %d", __LINE__); 1456 scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); 1457 } 1458 } 1459 /* 1460 * Note that we have work for the thread to do, and 1461 * if the thread is here already, wake it up. 1462 */ 1463 if (isp->isp_osinfo.thread) { 1464 wakeup(&isp->isp_osinfo.thread); 1465 } else { 1466 isp_prt(isp, ISP_LOGDEBUG1, "no FC thread yet"); 1467 } 1468 break; 1469 } 1470 case ISPASYNC_FW_CRASH: 1471 { 1472 uint16_t mbox1; 1473 mbox1 = ISP_READ(isp, OUTMAILBOX1); 1474 if (IS_DUALBUS(isp)) { 1475 bus = ISP_READ(isp, OUTMAILBOX6); 1476 } else { 1477 bus = 0; 1478 } 1479 isp_prt(isp, ISP_LOGERR, 1480 "Internal Firmware Error on bus %d @ RISC Address 0x%x", 1481 bus, mbox1); 1482 if (IS_FC(isp)) { 1483 if (isp->isp_osinfo.blocked == 0) { 1484 isp->isp_osinfo.blocked = 1; 1485 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1486 "FREEZE QUEUES @ LINE %d", __LINE__); 1487 scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); 1488 } 1489 } 1490 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 1491 isp->isp_osinfo.mbox_sleep_ok = 0; 1492 isp_reinit(isp, 0); 1493 isp->isp_osinfo.mbox_sleep_ok = mbox1; 1494 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 1495 break; 1496 } 1497 default: 1498 break; 1499 } 1500 } 1501 1502 void 1503 isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...) 1504 { 1505 va_list ap; 1506 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 1507 return; 1508 } 1509 printf("%s: ", device_xname(isp->isp_osinfo.dev)); 1510 va_start(ap, fmt); 1511 vprintf(fmt, ap); 1512 va_end(ap); 1513 printf("\n"); 1514 } 1515 1516 void 1517 isp_lock(struct ispsoftc *isp) 1518 { 1519 int s = splbio(); 1520 if (isp->isp_osinfo.islocked++ == 0) { 1521 isp->isp_osinfo.splsaved = s; 1522 } else { 1523 splx(s); 1524 } 1525 } 1526 1527 void 1528 isp_unlock(struct ispsoftc *isp) 1529 { 1530 if (isp->isp_osinfo.islocked-- <= 1) { 1531 isp->isp_osinfo.islocked = 0; 1532 splx(isp->isp_osinfo.splsaved); 1533 } 1534 } 1535 1536 uint64_t 1537 isp_microtime_sub(struct timeval *b, struct timeval *a) 1538 { 1539 struct timeval x; 1540 uint64_t elapsed; 1541 timersub(b, a, &x); 1542 elapsed = GET_NANOSEC(&x); 1543 if (elapsed == 0) 1544 elapsed++; 1545 return (elapsed); 1546 } 1547 1548 int 1549 isp_mbox_acquire(ispsoftc_t *isp) 1550 { 1551 if (isp->isp_osinfo.mboxbsy) { 1552 return (1); 1553 } else { 1554 isp->isp_osinfo.mboxcmd_done = 0; 1555 isp->isp_osinfo.mboxbsy = 1; 1556 return (0); 1557 } 1558 } 1559 1560 void 1561 isp_mbox_wait_complete(struct ispsoftc *isp, mbreg_t *mbp) 1562 { 1563 unsigned int usecs = mbp->timeout; 1564 unsigned int maxc, olim, ilim; 1565 struct timeval start; 1566 1567 if (usecs == 0) { 1568 usecs = MBCMD_DEFAULT_TIMEOUT; 1569 } 1570 maxc = isp->isp_mbxwrk0 + 1; 1571 1572 microtime(&start); 1573 if (isp->isp_osinfo.mbox_sleep_ok) { 1574 int to; 1575 struct timeval tv; 1576 1577 tv.tv_sec = 0; 1578 tv.tv_usec = 0; 1579 for (olim = 0; olim < maxc; olim++) { 1580 tv.tv_sec += (usecs / 1000000); 1581 tv.tv_usec += (usecs % 1000000); 1582 if (tv.tv_usec >= 100000) { 1583 tv.tv_sec++; 1584 tv.tv_usec -= 1000000; 1585 } 1586 } 1587 timeradd(&tv, &start, &tv); 1588 to = tvhzto(&tv); 1589 if (to == 0) 1590 to = 1; 1591 1592 isp->isp_osinfo.mbox_sleep_ok = 0; 1593 isp->isp_osinfo.mbox_sleeping = 1; 1594 tsleep(&isp->isp_mbxworkp, PRIBIO, "ispmbx_sleep", to); 1595 isp->isp_osinfo.mbox_sleeping = 0; 1596 isp->isp_osinfo.mbox_sleep_ok = 1; 1597 } else { 1598 for (olim = 0; olim < maxc; olim++) { 1599 for (ilim = 0; ilim < usecs; ilim += 100) { 1600 uint32_t isr; 1601 uint16_t sema, mbox; 1602 if (isp->isp_osinfo.mboxcmd_done) { 1603 break; 1604 } 1605 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 1606 isp_intr(isp, isr, sema, mbox); 1607 if (isp->isp_osinfo.mboxcmd_done) { 1608 break; 1609 } 1610 } 1611 ISP_DELAY(100); 1612 } 1613 if (isp->isp_osinfo.mboxcmd_done) { 1614 break; 1615 } 1616 } 1617 } 1618 if (isp->isp_osinfo.mboxcmd_done == 0) { 1619 struct timeval finish, elapsed; 1620 1621 microtime(&finish); 1622 timersub(&finish, &start, &elapsed); 1623 isp_prt(isp, ISP_LOGWARN, 1624 "%s Mailbox Command (0x%x) Timeout (%uus actual)", 1625 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 1626 isp->isp_lastmbxcmd, (elapsed.tv_sec * 1000000) + 1627 elapsed.tv_usec); 1628 mbp->param[0] = MBOX_TIMEOUT; 1629 isp->isp_osinfo.mboxcmd_done = 1; 1630 } 1631 } 1632 1633 void 1634 isp_mbox_notify_done(ispsoftc_t *isp) 1635 { 1636 if (isp->isp_osinfo.mbox_sleeping) { 1637 wakeup(&isp->isp_mbxworkp); 1638 } 1639 isp->isp_osinfo.mboxcmd_done = 1; 1640 } 1641 1642 void 1643 isp_mbox_release(ispsoftc_t *isp) 1644 { 1645 isp->isp_osinfo.mboxbsy = 0; 1646 } 1647