isp_netbsd.c revision 1.95
1 /* $NetBSD: isp_netbsd.c,v 1.95 2019/09/25 15:51:37 maya 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 1.95 2019/09/25 15:51:37 maya 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 %#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 = uimin(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 = uimin(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 if (channel >= isp->isp_nchan) { 479 retval = EINVAL; 480 break; 481 } 482 483 ua = *(isp_dlist_t **)addr; 484 uptr = &ua->wwns[0]; 485 486 if (ISP_CAP_2KLOGIN(isp)) { 487 nphe = NPH_MAX_2K; 488 } else { 489 nphe = NPH_MAX; 490 } 491 for (count = 0, nph = 0; count < lim && nph != nphe; nph++) { 492 ISP_LOCK(isp); 493 retval = isp_control(isp, ISPCTL_GET_NAMES, channel, 494 nph, &pair.wwnn, &pair.wwpn); 495 ISP_UNLOCK(isp); 496 if (retval || (pair.wwpn == INI_NONE && 497 pair.wwnn == INI_NONE)) { 498 retval = 0; 499 continue; 500 } 501 if (copyout(&pair, (void *)uptr++, sizeof (pair))) { 502 retval = EFAULT; 503 break; 504 } 505 count++; 506 } 507 if (retval == 0) { 508 if (copyout(&count, (void *)&ua->count, 509 sizeof (count))) { 510 retval = EFAULT; 511 } 512 } 513 break; 514 } 515 case SCBUSIORESET: 516 ISP_LOCK(isp); 517 if (isp_control(isp, ISPCTL_RESET_BUS, &chan->chan_channel)) { 518 retval = EIO; 519 } else { 520 retval = 0; 521 } 522 ISP_UNLOCK(isp); 523 break; 524 default: 525 break; 526 } 527 return (retval); 528 } 529 530 static void 531 ispcmd(struct ispsoftc *isp, XS_T *xs) 532 { 533 volatile uint8_t ombi; 534 int lim, chan; 535 536 ISP_LOCK(isp); 537 if (isp->isp_state < ISP_RUNSTATE) { 538 ISP_DISABLE_INTS(isp); 539 isp_init(isp); 540 if (isp->isp_state != ISP_INITSTATE) { 541 ISP_ENABLE_INTS(isp); 542 ISP_UNLOCK(isp); 543 isp_prt(isp, ISP_LOGERR, "isp not at init state"); 544 XS_SETERR(xs, HBA_BOTCH); 545 scsipi_done(xs); 546 return; 547 } 548 isp->isp_state = ISP_RUNSTATE; 549 ISP_ENABLE_INTS(isp); 550 } 551 chan = XS_CHANNEL(xs); 552 553 /* 554 * Handle the case of a FC card where the FC thread hasn't 555 * fired up yet and we don't yet have a known loop state. 556 */ 557 if (IS_FC(isp) && (FCPARAM(isp, chan)->isp_fwstate != FW_READY || 558 FCPARAM(isp, chan)->isp_loopstate != LOOP_READY) && 559 isp->isp_osinfo.thread == NULL) { 560 ombi = isp->isp_osinfo.mbox_sleep_ok != 0; 561 int delay_time; 562 563 if (xs->xs_control & XS_CTL_POLL) { 564 isp->isp_osinfo.mbox_sleep_ok = 0; 565 } 566 567 if (isp->isp_osinfo.loop_checked == 0) { 568 delay_time = 10 * 1000000; 569 isp->isp_osinfo.loop_checked = 1; 570 } else { 571 delay_time = 250000; 572 } 573 574 if (isp_fc_runstate(isp, XS_CHANNEL(xs), delay_time) != 0) { 575 if (xs->xs_control & XS_CTL_POLL) { 576 isp->isp_osinfo.mbox_sleep_ok = ombi; 577 } 578 if (FCPARAM(isp, XS_CHANNEL(xs))->loop_seen_once == 0) { 579 XS_SETERR(xs, HBA_SELTIMEOUT); 580 scsipi_done(xs); 581 ISP_UNLOCK(isp); 582 return; 583 } 584 /* 585 * Otherwise, fall thru to be queued up for later. 586 */ 587 } else { 588 int wasblocked = 589 (isp->isp_osinfo.blocked || isp->isp_osinfo.paused); 590 isp->isp_osinfo.blocked = isp->isp_osinfo.paused = 0; 591 if (wasblocked) { 592 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 593 "THAW QUEUES @ LINE %d", __LINE__); 594 scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 595 1); 596 } 597 } 598 if (xs->xs_control & XS_CTL_POLL) { 599 isp->isp_osinfo.mbox_sleep_ok = ombi; 600 } 601 } 602 603 if (isp->isp_osinfo.paused) { 604 isp_prt(isp, ISP_LOGWARN, "I/O while paused"); 605 xs->error = XS_RESOURCE_SHORTAGE; 606 scsipi_done(xs); 607 ISP_UNLOCK(isp); 608 return; 609 } 610 if (isp->isp_osinfo.blocked) { 611 isp_prt(isp, ISP_LOGWARN, 612 "I/O while blocked with retries %d", xs->xs_retries); 613 if (xs->xs_retries) { 614 xs->error = XS_REQUEUE; 615 xs->xs_retries--; 616 } else { 617 XS_SETERR(xs, HBA_SELTIMEOUT); 618 } 619 scsipi_done(xs); 620 ISP_UNLOCK(isp); 621 return; 622 } 623 624 if (xs->xs_control & XS_CTL_POLL) { 625 ombi = isp->isp_osinfo.mbox_sleep_ok; 626 isp->isp_osinfo.mbox_sleep_ok = 0; 627 } 628 629 switch (isp_start(xs)) { 630 case CMD_QUEUED: 631 if (IS_FC(isp) && isp->isp_osinfo.wwns[XS_TGT(xs)] == 0) { 632 fcparam *fcp = FCPARAM(isp, XS_CHANNEL(xs)); 633 int dbidx = fcp->isp_dev_map[XS_TGT(xs)] - 1; 634 device_t dev = xs->xs_periph->periph_dev; 635 636 if (dbidx >= 0 && dev && 637 prop_dictionary_set_uint64(device_properties(dev), 638 "port-wwn", fcp->portdb[dbidx].port_wwn) == TRUE) { 639 isp->isp_osinfo.wwns[XS_TGT(xs)] = 640 fcp->portdb[dbidx].port_wwn; 641 } 642 } 643 if (xs->xs_control & XS_CTL_POLL) { 644 isp_polled_cmd_wait(isp, xs); 645 isp->isp_osinfo.mbox_sleep_ok = ombi; 646 } else if (xs->timeout) { 647 callout_reset(&xs->xs_callout, _XT(xs), isp_dog, xs); 648 } 649 break; 650 case CMD_EAGAIN: 651 isp->isp_osinfo.paused = 1; 652 xs->error = XS_RESOURCE_SHORTAGE; 653 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 654 "FREEZE QUEUES @ LINE %d", __LINE__); 655 for (chan = 0; chan < isp->isp_nchan; chan++) { 656 scsipi_channel_freeze(&isp->isp_osinfo.chan[chan], 1); 657 } 658 scsipi_done(xs); 659 break; 660 case CMD_RQLATER: 661 /* 662 * We can only get RQLATER from FC devices (1 channel only) 663 * 664 * If we've never seen loop up see if if we've been down 665 * quickboot time, otherwise wait loop down limit time. 666 * If so, then we start giving up on commands. 667 */ 668 if (FCPARAM(isp, XS_CHANNEL(xs))->loop_seen_once == 0) { 669 lim = isp_quickboot_time; 670 } else { 671 lim = isp->isp_osinfo.loop_down_limit; 672 } 673 if (isp->isp_osinfo.loop_down_time >= lim) { 674 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 675 "RQLATER->SELTIMEOUT for %d (%d >= %d)", XS_TGT(xs), 676 isp->isp_osinfo.loop_down_time, lim); 677 XS_SETERR(xs, HBA_SELTIMEOUT); 678 scsipi_done(xs); 679 break; 680 } 681 if (isp->isp_osinfo.blocked == 0) { 682 isp->isp_osinfo.blocked = 1; 683 scsipi_channel_freeze(&isp->isp_osinfo.chan[chan], 1); 684 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 685 "FREEZE QUEUES @ LINE %d", __LINE__); 686 } else { 687 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 688 "RQLATER WITH FROZEN QUEUES @ LINE %d", __LINE__); 689 } 690 xs->error = XS_REQUEUE; 691 scsipi_done(xs); 692 break; 693 case CMD_COMPLETE: 694 scsipi_done(xs); 695 break; 696 } 697 ISP_UNLOCK(isp); 698 } 699 700 static void 701 isprequest(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 702 { 703 struct ispsoftc *isp = device_private(chan->chan_adapter->adapt_dev); 704 705 switch (req) { 706 case ADAPTER_REQ_RUN_XFER: 707 ispcmd(isp, (XS_T *) arg); 708 break; 709 710 case ADAPTER_REQ_GROW_RESOURCES: 711 /* Not supported. */ 712 break; 713 714 case ADAPTER_REQ_SET_XFER_MODE: 715 if (IS_SCSI(isp)) { 716 struct scsipi_xfer_mode *xm = arg; 717 int dflags = 0; 718 sdparam *sdp = SDPARAM(isp, chan->chan_channel); 719 720 if (xm->xm_mode & PERIPH_CAP_TQING) 721 dflags |= DPARM_TQING; 722 if (xm->xm_mode & PERIPH_CAP_WIDE16) 723 dflags |= DPARM_WIDE; 724 if (xm->xm_mode & PERIPH_CAP_SYNC) 725 dflags |= DPARM_SYNC; 726 ISP_LOCK(isp); 727 sdp->isp_devparam[xm->xm_target].goal_flags |= dflags; 728 dflags = sdp->isp_devparam[xm->xm_target].goal_flags; 729 sdp->isp_devparam[xm->xm_target].dev_update = 1; 730 sdp->update = 1; 731 ISP_UNLOCK(isp); 732 isp_prt(isp, ISP_LOGDEBUG1, 733 "isprequest: device flags %#x for %d.%d.X", 734 dflags, chan->chan_channel, xm->xm_target); 735 break; 736 } 737 default: 738 break; 739 } 740 } 741 742 static void 743 isp_polled_cmd_wait(struct ispsoftc *isp, XS_T *xs) 744 { 745 int infinite = 0, mswait; 746 747 /* 748 * If we can't use interrupts, poll on completion. 749 */ 750 if ((mswait = XS_TIME(xs)) == 0) { 751 infinite = 1; 752 } 753 754 while (mswait || infinite) { 755 uint32_t isr; 756 uint16_t sema, mbox; 757 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 758 isp_intr(isp, isr, sema, mbox); 759 if (XS_CMD_DONE_P(xs)) { 760 break; 761 } 762 } 763 ISP_DELAY(1000); 764 mswait -= 1; 765 } 766 767 /* 768 * If no other error occurred but we didn't finish 769 * something bad happened, so abort the command. 770 */ 771 if (XS_CMD_DONE_P(xs) == 0) { 772 if (isp_control(isp, ISPCTL_ABORT_CMD, xs)) { 773 isp_reinit(isp, 0); 774 } 775 if (XS_NOERR(xs)) { 776 isp_prt(isp, ISP_LOGERR, "polled command timed out"); 777 XS_SETERR(xs, HBA_BOTCH); 778 } 779 } 780 scsipi_done(xs); 781 } 782 783 void 784 isp_done(XS_T *xs) 785 { 786 if (XS_CMD_WDOG_P(xs) == 0) { 787 struct ispsoftc *isp = XS_ISP(xs); 788 callout_stop(&xs->xs_callout); 789 if (XS_CMD_GRACE_P(xs)) { 790 isp_prt(isp, ISP_LOGDEBUG1, 791 "finished command on borrowed time"); 792 } 793 XS_CMD_S_CLEAR(xs); 794 /* 795 * Fixup- if we get a QFULL, we need 796 * to set XS_BUSY as the error. 797 */ 798 if (xs->status == SCSI_QUEUE_FULL) { 799 xs->error = XS_BUSY; 800 } 801 if (isp->isp_osinfo.paused) { 802 int i; 803 isp->isp_osinfo.paused = 0; 804 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 805 "THAW QUEUES @ LINE %d", __LINE__); 806 for (i = 0; i < isp->isp_nchan; i++) { 807 scsipi_channel_timed_thaw(&isp->isp_osinfo.chan[i]); 808 } 809 } 810 if (xs->error == XS_DRIVER_STUFFUP) { 811 isp_prt(isp, ISP_LOGERR, 812 "BOTCHED cmd for %d.%d.%d cmd %#x datalen %ld", 813 XS_CHANNEL(xs), XS_TGT(xs), XS_LUN(xs), 814 XS_CDBP(xs)[0], (long) XS_XFRLEN(xs)); 815 } 816 scsipi_done(xs); 817 } 818 } 819 820 static void 821 isp_dog(void *arg) 822 { 823 XS_T *xs = arg; 824 struct ispsoftc *isp = XS_ISP(xs); 825 uint32_t handle; 826 int sok; 827 828 829 ISP_ILOCK(isp); 830 sok = isp->isp_osinfo.mbox_sleep_ok; 831 isp->isp_osinfo.mbox_sleep_ok = 0; 832 /* 833 * We've decided this command is dead. Make sure we're not trying 834 * to kill a command that's already dead by getting its handle and 835 * and seeing whether it's still alive. 836 */ 837 handle = isp_find_handle(isp, xs); 838 if (handle) { 839 uint32_t isr; 840 uint16_t mbox, sema; 841 842 if (XS_CMD_DONE_P(xs)) { 843 isp_prt(isp, ISP_LOGDEBUG1, 844 "watchdog found done cmd (handle %#x)", handle); 845 goto out; 846 } 847 848 if (XS_CMD_WDOG_P(xs)) { 849 isp_prt(isp, ISP_LOGDEBUG1, 850 "recursive watchdog (handle %#x)", handle); 851 goto out; 852 } 853 854 XS_CMD_S_WDOG(xs); 855 856 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 857 isp_intr(isp, isr, sema, mbox); 858 859 } 860 if (XS_CMD_DONE_P(xs)) { 861 isp_prt(isp, ISP_LOGDEBUG1, 862 "watchdog cleanup for handle %#x", handle); 863 XS_CMD_C_WDOG(xs); 864 isp_done(xs); 865 } else if (XS_CMD_GRACE_P(xs)) { 866 isp_prt(isp, ISP_LOGDEBUG1, 867 "watchdog timeout for handle %#x", handle); 868 /* 869 * Make sure the command is *really* dead before we 870 * release the handle (and DMA resources) for reuse. 871 */ 872 (void) isp_control(isp, ISPCTL_ABORT_CMD, arg); 873 874 /* 875 * After this point, the command is really dead. 876 */ 877 if (XS_XFRLEN(xs)) { 878 ISP_DMAFREE(isp, xs, handle); 879 } 880 isp_destroy_handle(isp, handle); 881 XS_SETERR(xs, XS_TIMEOUT); 882 XS_CMD_S_CLEAR(xs); 883 isp_done(xs); 884 } else { 885 void *qe; 886 isp_marker_t local, *mp = &local; 887 isp_prt(isp, ISP_LOGDEBUG2, 888 "possible command timeout on handle %x", handle); 889 XS_CMD_C_WDOG(xs); 890 callout_reset(&xs->xs_callout, hz, isp_dog, xs); 891 qe = isp_getrqentry(isp); 892 if (qe == NULL) 893 goto out; 894 XS_CMD_S_GRACE(xs); 895 ISP_MEMZERO((void *) mp, sizeof (*mp)); 896 mp->mrk_header.rqs_entry_count = 1; 897 mp->mrk_header.rqs_entry_type = RQSTYPE_MARKER; 898 mp->mrk_modifier = SYNC_ALL; 899 mp->mrk_target = XS_CHANNEL(xs) << 7; 900 isp_put_marker(isp, mp, qe); 901 ISP_SYNC_REQUEST(isp); 902 } 903 } else { 904 isp_prt(isp, ISP_LOGDEBUG0, "watchdog with no command"); 905 } 906 out: 907 isp->isp_osinfo.mbox_sleep_ok = sok; 908 ISP_IUNLOCK(isp); 909 } 910 911 /* 912 * Gone Device Timer Function- when we have decided that a device has gone 913 * away, we wait a specific period of time prior to telling the OS it has 914 * gone away. 915 * 916 * This timer function fires once a second and then scans the port database 917 * for devices that are marked dead but still have a virtual target assigned. 918 * We decrement a counter for that port database entry, and when it hits zero, 919 * we tell the OS the device has gone away. 920 */ 921 static void 922 isp_gdt(void *arg) 923 { 924 ispsoftc_t *isp = arg; 925 fcportdb_t *lp; 926 int dbidx, tgt, more_to_do = 0; 927 928 isp_prt(isp, ISP_LOGDEBUG0, "GDT timer expired"); 929 ISP_LOCK(isp); 930 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 931 lp = &FCPARAM(isp, 0)->portdb[dbidx]; 932 933 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 934 continue; 935 } 936 if (lp->dev_map_idx == 0) { 937 continue; 938 } 939 if (lp->new_reserved == 0) { 940 continue; 941 } 942 lp->new_reserved -= 1; 943 if (lp->new_reserved != 0) { 944 more_to_do++; 945 continue; 946 } 947 tgt = lp->dev_map_idx - 1; 948 FCPARAM(isp, 0)->isp_dev_map[tgt] = 0; 949 lp->dev_map_idx = 0; 950 lp->state = FC_PORTDB_STATE_NIL; 951 isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt, 952 "Gone Device Timeout"); 953 isp_make_gone(isp, tgt); 954 } 955 if (more_to_do) { 956 callout_schedule(&isp->isp_osinfo.gdt, hz); 957 } else { 958 isp->isp_osinfo.gdt_running = 0; 959 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 960 "stopping Gone Device Timer"); 961 } 962 ISP_UNLOCK(isp); 963 } 964 965 /* 966 * Loop Down Timer Function- when loop goes down, a timer is started and 967 * and after it expires we come here and take all probational devices that 968 * the OS knows about and the tell the OS that they've gone away. 969 * 970 * We don't clear the devices out of our port database because, when loop 971 * come back up, we have to do some actual cleanup with the chip at that 972 * point (implicit PLOGO, e.g., to get the chip's port database state right). 973 */ 974 static void 975 isp_ldt(void *arg) 976 { 977 ispsoftc_t *isp = arg; 978 fcportdb_t *lp; 979 int dbidx, tgt; 980 981 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Loop Down Timer expired"); 982 ISP_LOCK(isp); 983 984 /* 985 * Notify to the OS all targets who we now consider have departed. 986 */ 987 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 988 lp = &FCPARAM(isp, 0)->portdb[dbidx]; 989 990 if (lp->state != FC_PORTDB_STATE_PROBATIONAL) { 991 continue; 992 } 993 if (lp->dev_map_idx == 0) { 994 continue; 995 } 996 997 /* 998 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 999 */ 1000 1001 /* 1002 * Mark that we've announced that this device is gone.... 1003 */ 1004 lp->reserved = 1; 1005 1006 /* 1007 * but *don't* change the state of the entry. Just clear 1008 * any target id stuff and announce to CAM that the 1009 * device is gone. This way any necessary PLOGO stuff 1010 * will happen when loop comes back up. 1011 */ 1012 1013 tgt = lp->dev_map_idx - 1; 1014 FCPARAM(isp, 0)->isp_dev_map[tgt] = 0; 1015 lp->dev_map_idx = 0; 1016 isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt, 1017 "Loop Down Timeout"); 1018 isp_make_gone(isp, tgt); 1019 } 1020 1021 /* 1022 * The loop down timer has expired. Wake up the kthread 1023 * to notice that fact (or make it false). 1024 */ 1025 isp->isp_osinfo.loop_down_time = isp->isp_osinfo.loop_down_limit+1; 1026 wakeup(&isp->isp_osinfo.thread); 1027 ISP_UNLOCK(isp); 1028 } 1029 1030 static void 1031 isp_make_here(ispsoftc_t *isp, int tgt) 1032 { 1033 isp_prt(isp, ISP_LOGINFO, "target %d has arrived", tgt); 1034 } 1035 1036 static void 1037 isp_make_gone(ispsoftc_t *isp, int tgt) 1038 { 1039 isp_prt(isp, ISP_LOGINFO, "target %d has departed", tgt); 1040 } 1041 1042 static void 1043 isp_fc_worker(void *arg) 1044 { 1045 ispsoftc_t *isp = arg; 1046 int slp = 0; 1047 int chan = 0; 1048 1049 int s = splbio(); 1050 /* 1051 * The first loop is for our usage where we have yet to have 1052 * gotten good fibre channel state. 1053 */ 1054 while (isp->isp_osinfo.thread != NULL) { 1055 int sok, lb, lim; 1056 1057 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "checking FC state"); 1058 sok = isp->isp_osinfo.mbox_sleep_ok; 1059 isp->isp_osinfo.mbox_sleep_ok = 1; 1060 lb = isp_fc_runstate(isp, chan, 250000); 1061 isp->isp_osinfo.mbox_sleep_ok = sok; 1062 if (lb) { 1063 /* 1064 * Increment loop down time by the last sleep interval 1065 */ 1066 isp->isp_osinfo.loop_down_time += slp; 1067 1068 if (lb < 0) { 1069 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1070 "FC loop not up (down count %d)", 1071 isp->isp_osinfo.loop_down_time); 1072 } else { 1073 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1074 "FC got to %d (down count %d)", 1075 lb, isp->isp_osinfo.loop_down_time); 1076 } 1077 1078 1079 /* 1080 * If we've never seen loop up and we've waited longer 1081 * than quickboot time, or we've seen loop up but we've 1082 * waited longer than loop_down_limit, give up and go 1083 * to sleep until loop comes up. 1084 */ 1085 if (FCPARAM(isp, 0)->loop_seen_once == 0) { 1086 lim = isp_quickboot_time; 1087 } else { 1088 lim = isp->isp_osinfo.loop_down_limit; 1089 } 1090 if (isp->isp_osinfo.loop_down_time >= lim) { 1091 /* 1092 * If we're now past our limit, release 1093 * the queues and let them come in and 1094 * either get HBA_SELTIMOUT or cause 1095 * another freeze. 1096 */ 1097 isp->isp_osinfo.blocked = 1; 1098 slp = 0; 1099 } else if (isp->isp_osinfo.loop_down_time < 10) { 1100 slp = 1; 1101 } else if (isp->isp_osinfo.loop_down_time < 30) { 1102 slp = 5; 1103 } else if (isp->isp_osinfo.loop_down_time < 60) { 1104 slp = 10; 1105 } else if (isp->isp_osinfo.loop_down_time < 120) { 1106 slp = 20; 1107 } else { 1108 slp = 30; 1109 } 1110 1111 } else { 1112 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1113 "FC state OK"); 1114 isp->isp_osinfo.loop_down_time = 0; 1115 slp = 0; 1116 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1117 "THAW QUEUES @ LINE %d", __LINE__); 1118 scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 1); 1119 } 1120 1121 /* 1122 * If we'd frozen the queues, unfreeze them now so that 1123 * we can start getting commands. If the FC state isn't 1124 * okay yet, they'll hit that in isp_start which will 1125 * freeze the queues again. 1126 */ 1127 if (isp->isp_osinfo.blocked) { 1128 isp->isp_osinfo.blocked = 0; 1129 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1130 "THAW QUEUES @ LINE %d", __LINE__); 1131 scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 1); 1132 } 1133 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "sleep time %d", slp); 1134 tsleep(&isp->isp_osinfo.thread, PRIBIO, "ispf", slp * hz); 1135 1136 /* 1137 * If slp is zero, we're waking up for the first time after 1138 * things have been okay. In this case, we set a deferral state 1139 * for all commands and delay hysteresis seconds before starting 1140 * the FC state evaluation. This gives the loop/fabric a chance 1141 * to settle. 1142 */ 1143 if (slp == 0 && isp_fabric_hysteresis) { 1144 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1145 "sleep hysteresis tick time %d", 1146 isp_fabric_hysteresis * hz); 1147 (void) tsleep(&isp_fabric_hysteresis, PRIBIO, "ispT", 1148 (isp_fabric_hysteresis * hz)); 1149 } 1150 } 1151 splx(s); 1152 1153 /* In case parent is waiting for us to exit. */ 1154 wakeup(&isp->isp_osinfo.thread); 1155 kthread_exit(0); 1156 } 1157 1158 /* 1159 * Free any associated resources prior to decommissioning and 1160 * set the card to a known state (so it doesn't wake up and kick 1161 * us when we aren't expecting it to). 1162 * 1163 * Locks are held before coming here. 1164 */ 1165 void 1166 isp_uninit(struct ispsoftc *isp) 1167 { 1168 isp_lock(isp); 1169 /* 1170 * Leave with interrupts disabled. 1171 */ 1172 ISP_DISABLE_INTS(isp); 1173 isp_unlock(isp); 1174 } 1175 1176 void 1177 isp_async(struct ispsoftc *isp, ispasync_t cmd, ...) 1178 { 1179 int bus, tgt; 1180 const char *msg = NULL; 1181 static const char prom[] = 1182 "PortID %#06x handle %#x role %s %s\n" 1183 " WWNN %#08x%08x WWPN %#08x%08x"; 1184 static const char prom2[] = 1185 "PortID %#06x handle %#x role %s %s tgt %u\n" 1186 " WWNN %#08x%08x WWPN %#08x%08x"; 1187 fcportdb_t *lp; 1188 va_list ap; 1189 1190 switch (cmd) { 1191 case ISPASYNC_NEW_TGT_PARAMS: 1192 if (IS_SCSI(isp)) { 1193 sdparam *sdp; 1194 int flags; 1195 struct scsipi_xfer_mode xm; 1196 1197 va_start(ap, cmd); 1198 bus = va_arg(ap, int); 1199 tgt = va_arg(ap, int); 1200 va_end(ap); 1201 sdp = SDPARAM(isp, bus); 1202 flags = sdp->isp_devparam[tgt].actv_flags; 1203 1204 xm.xm_mode = 0; 1205 xm.xm_period = sdp->isp_devparam[tgt].actv_period; 1206 xm.xm_offset = sdp->isp_devparam[tgt].actv_offset; 1207 xm.xm_target = tgt; 1208 1209 if ((flags & DPARM_SYNC) && xm.xm_period && xm.xm_offset) 1210 xm.xm_mode |= PERIPH_CAP_SYNC; 1211 if (flags & DPARM_WIDE) 1212 xm.xm_mode |= PERIPH_CAP_WIDE16; 1213 if (flags & DPARM_TQING) 1214 xm.xm_mode |= PERIPH_CAP_TQING; 1215 scsipi_async_event(&isp->isp_osinfo.chan[bus], 1216 ASYNC_EVENT_XFER_MODE, &xm); 1217 break; 1218 } 1219 /* FALLTHROUGH */ 1220 case ISPASYNC_BUS_RESET: 1221 va_start(ap, cmd); 1222 bus = va_arg(ap, int); 1223 va_end(ap); 1224 isp_prt(isp, ISP_LOGINFO, "SCSI bus %d reset detected", bus); 1225 scsipi_async_event(&isp->isp_osinfo.chan[bus], 1226 ASYNC_EVENT_RESET, NULL); 1227 break; 1228 case ISPASYNC_LIP: 1229 if (msg == NULL) { 1230 msg = "LIP Received"; 1231 } 1232 /* FALLTHROUGH */ 1233 case ISPASYNC_LOOP_RESET: 1234 if (msg == NULL) { 1235 msg = "LOOP Reset Received"; 1236 } 1237 /* FALLTHROUGH */ 1238 case ISPASYNC_LOOP_DOWN: 1239 if (msg == NULL) { 1240 msg = "Loop DOWN"; 1241 } 1242 va_start(ap, cmd); 1243 bus = va_arg(ap, int); 1244 va_end(ap); 1245 1246 /* 1247 * Don't do queue freezes or blockage until we have the 1248 * thread running and interrupts that can unfreeze/unblock us. 1249 */ 1250 if (isp->isp_osinfo.mbox_sleep_ok && 1251 isp->isp_osinfo.blocked == 0 && 1252 isp->isp_osinfo.thread) { 1253 isp->isp_osinfo.blocked = 1; 1254 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1255 "FREEZE QUEUES @ LINE %d", __LINE__); 1256 scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); 1257 if (callout_pending(&isp->isp_osinfo.ldt) == 0) { 1258 callout_schedule(&isp->isp_osinfo.ldt, 1259 isp->isp_osinfo.loop_down_limit * hz); 1260 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1261 "Starting Loop Down Timer"); 1262 } 1263 } 1264 isp_prt(isp, ISP_LOGINFO, "%s", msg); 1265 break; 1266 case ISPASYNC_LOOP_UP: 1267 /* 1268 * Let the subsequent ISPASYNC_CHANGE_NOTIFY invoke 1269 * the FC worker thread. When the FC worker thread 1270 * is done, let *it* call scsipi_channel_thaw... 1271 */ 1272 isp_prt(isp, ISP_LOGINFO, "Loop UP"); 1273 break; 1274 case ISPASYNC_DEV_ARRIVED: 1275 va_start(ap, cmd); 1276 bus = va_arg(ap, int); 1277 lp = va_arg(ap, fcportdb_t *); 1278 va_end(ap); 1279 lp->reserved = 0; 1280 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 1281 (lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT))) { 1282 int dbidx = lp - FCPARAM(isp, bus)->portdb; 1283 int i; 1284 1285 for (i = 0; i < MAX_FC_TARG; i++) { 1286 if (i >= FL_ID && i <= SNS_ID) { 1287 continue; 1288 } 1289 if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) { 1290 break; 1291 } 1292 } 1293 if (i < MAX_FC_TARG) { 1294 FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1; 1295 lp->dev_map_idx = i + 1; 1296 } else { 1297 isp_prt(isp, ISP_LOGWARN, "out of target ids"); 1298 isp_dump_portdb(isp, bus); 1299 } 1300 } 1301 if (lp->dev_map_idx) { 1302 tgt = lp->dev_map_idx - 1; 1303 isp_prt(isp, ISP_LOGCONFIG, prom2, 1304 lp->portid, lp->handle, 1305 roles[lp->roles], "arrived at", tgt, 1306 (uint32_t) (lp->node_wwn >> 32), 1307 (uint32_t) lp->node_wwn, 1308 (uint32_t) (lp->port_wwn >> 32), 1309 (uint32_t) lp->port_wwn); 1310 isp_make_here(isp, tgt); 1311 } else { 1312 isp_prt(isp, ISP_LOGCONFIG, prom, 1313 lp->portid, lp->handle, 1314 roles[lp->roles], "arrived", 1315 (uint32_t) (lp->node_wwn >> 32), 1316 (uint32_t) lp->node_wwn, 1317 (uint32_t) (lp->port_wwn >> 32), 1318 (uint32_t) lp->port_wwn); 1319 } 1320 break; 1321 case ISPASYNC_DEV_CHANGED: 1322 va_start(ap, cmd); 1323 bus = va_arg(ap, int); 1324 lp = va_arg(ap, fcportdb_t *); 1325 va_end(ap); 1326 if (isp_change_is_bad) { 1327 lp->state = FC_PORTDB_STATE_NIL; 1328 if (lp->dev_map_idx) { 1329 tgt = lp->dev_map_idx - 1; 1330 FCPARAM(isp, bus)->isp_dev_map[tgt] = 0; 1331 lp->dev_map_idx = 0; 1332 isp_prt(isp, ISP_LOGCONFIG, prom3, 1333 lp->portid, tgt, "change is bad"); 1334 isp_make_gone(isp, tgt); 1335 } else { 1336 isp_prt(isp, ISP_LOGCONFIG, prom, 1337 lp->portid, lp->handle, 1338 roles[lp->roles], 1339 "changed and departed", 1340 (uint32_t) (lp->node_wwn >> 32), 1341 (uint32_t) lp->node_wwn, 1342 (uint32_t) (lp->port_wwn >> 32), 1343 (uint32_t) lp->port_wwn); 1344 } 1345 } else { 1346 lp->portid = lp->new_portid; 1347 lp->roles = lp->new_roles; 1348 if (lp->dev_map_idx) { 1349 int t = lp->dev_map_idx - 1; 1350 FCPARAM(isp, bus)->isp_dev_map[t] = 1351 (lp - FCPARAM(isp, bus)->portdb) + 1; 1352 tgt = lp->dev_map_idx - 1; 1353 isp_prt(isp, ISP_LOGCONFIG, prom2, 1354 lp->portid, lp->handle, 1355 roles[lp->roles], "changed at", tgt, 1356 (uint32_t) (lp->node_wwn >> 32), 1357 (uint32_t) lp->node_wwn, 1358 (uint32_t) (lp->port_wwn >> 32), 1359 (uint32_t) lp->port_wwn); 1360 } else { 1361 isp_prt(isp, ISP_LOGCONFIG, prom, 1362 lp->portid, lp->handle, 1363 roles[lp->roles], "changed", 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 } 1369 } 1370 break; 1371 case ISPASYNC_DEV_STAYED: 1372 va_start(ap, cmd); 1373 bus = va_arg(ap, int); 1374 lp = va_arg(ap, fcportdb_t *); 1375 va_end(ap); 1376 if (lp->dev_map_idx) { 1377 tgt = lp->dev_map_idx - 1; 1378 isp_prt(isp, ISP_LOGCONFIG, prom2, 1379 lp->portid, lp->handle, 1380 roles[lp->roles], "stayed at", tgt, 1381 (uint32_t) (lp->node_wwn >> 32), 1382 (uint32_t) lp->node_wwn, 1383 (uint32_t) (lp->port_wwn >> 32), 1384 (uint32_t) lp->port_wwn); 1385 } else { 1386 isp_prt(isp, ISP_LOGCONFIG, prom, 1387 lp->portid, lp->handle, 1388 roles[lp->roles], "stayed", 1389 (uint32_t) (lp->node_wwn >> 32), 1390 (uint32_t) lp->node_wwn, 1391 (uint32_t) (lp->port_wwn >> 32), 1392 (uint32_t) lp->port_wwn); 1393 } 1394 break; 1395 case ISPASYNC_DEV_GONE: 1396 va_start(ap, cmd); 1397 bus = va_arg(ap, int); 1398 lp = va_arg(ap, fcportdb_t *); 1399 va_end(ap); 1400 /* 1401 * If this has a virtual target and we haven't marked it 1402 * that we're going to have isp_gdt tell the OS it's gone, 1403 * set the isp_gdt timer running on it. 1404 * 1405 * If it isn't marked that isp_gdt is going to get rid of it, 1406 * announce that it's gone. 1407 */ 1408 if (lp->dev_map_idx && lp->reserved == 0) { 1409 lp->reserved = 1; 1410 lp->new_reserved = isp->isp_osinfo.gone_device_time; 1411 lp->state = FC_PORTDB_STATE_ZOMBIE; 1412 if (isp->isp_osinfo.gdt_running == 0) { 1413 isp->isp_osinfo.gdt_running = 1; 1414 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1415 "starting Gone Device Timer"); 1416 callout_schedule(&isp->isp_osinfo.gdt, hz); 1417 } 1418 tgt = lp->dev_map_idx - 1; 1419 isp_prt(isp, ISP_LOGCONFIG, prom2, 1420 lp->portid, lp->handle, 1421 roles[lp->roles], "gone zombie at", tgt, 1422 (uint32_t) (lp->node_wwn >> 32), 1423 (uint32_t) lp->node_wwn, 1424 (uint32_t) (lp->port_wwn >> 32), 1425 (uint32_t) lp->port_wwn); 1426 } else if (lp->reserved == 0) { 1427 isp_prt(isp, ISP_LOGCONFIG, prom, 1428 lp->portid, lp->handle, 1429 roles[lp->roles], "departed", 1430 (uint32_t) (lp->node_wwn >> 32), 1431 (uint32_t) lp->node_wwn, 1432 (uint32_t) (lp->port_wwn >> 32), 1433 (uint32_t) lp->port_wwn); 1434 } 1435 break; 1436 case ISPASYNC_CHANGE_NOTIFY: 1437 { 1438 int opt; 1439 1440 va_start(ap, cmd); 1441 bus = va_arg(ap, int); 1442 opt = va_arg(ap, int); 1443 va_end(ap); 1444 1445 if (opt == ISPASYNC_CHANGE_PDB) { 1446 msg = "Port Database Changed"; 1447 } else if (opt == ISPASYNC_CHANGE_SNS) { 1448 msg = "Name Server Database Changed"; 1449 } else { 1450 msg = "Other Change Notify"; 1451 } 1452 /* 1453 * If the loop down timer is running, cancel it. 1454 */ 1455 if (callout_pending(&isp->isp_osinfo.ldt)) { 1456 callout_stop(&isp->isp_osinfo.ldt); 1457 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1458 "Stopping Loop Down Timer"); 1459 } 1460 isp_prt(isp, ISP_LOGINFO, "%s", msg); 1461 /* 1462 * We can set blocked here because we know it's now okay 1463 * to try and run isp_fc_runstate (in order to build loop 1464 * state). But we don't try and freeze the midlayer's queue 1465 * if we have no thread that we can wake to later unfreeze 1466 * it. 1467 */ 1468 if (isp->isp_osinfo.blocked == 0) { 1469 isp->isp_osinfo.blocked = 1; 1470 if (isp->isp_osinfo.thread) { 1471 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1472 "FREEZE QUEUES @ LINE %d", __LINE__); 1473 scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); 1474 } 1475 } 1476 /* 1477 * Note that we have work for the thread to do, and 1478 * if the thread is here already, wake it up. 1479 */ 1480 if (isp->isp_osinfo.thread) { 1481 wakeup(&isp->isp_osinfo.thread); 1482 } else { 1483 isp_prt(isp, ISP_LOGDEBUG1, "no FC thread yet"); 1484 } 1485 break; 1486 } 1487 case ISPASYNC_FW_CRASH: 1488 { 1489 uint16_t mbox1; 1490 mbox1 = ISP_READ(isp, OUTMAILBOX1); 1491 if (IS_DUALBUS(isp)) { 1492 bus = ISP_READ(isp, OUTMAILBOX6); 1493 } else { 1494 bus = 0; 1495 } 1496 isp_prt(isp, ISP_LOGERR, 1497 "Internal Firmware Error on bus %d @ RISC Address %#x", 1498 bus, mbox1); 1499 if (IS_FC(isp)) { 1500 if (isp->isp_osinfo.blocked == 0) { 1501 isp->isp_osinfo.blocked = 1; 1502 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1503 "FREEZE QUEUES @ LINE %d", __LINE__); 1504 scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); 1505 } 1506 } 1507 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 1508 isp->isp_osinfo.mbox_sleep_ok = 0; 1509 isp_reinit(isp, 0); 1510 isp->isp_osinfo.mbox_sleep_ok = mbox1; 1511 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 1512 break; 1513 } 1514 default: 1515 break; 1516 } 1517 } 1518 1519 void 1520 isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...) 1521 { 1522 va_list ap; 1523 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 1524 return; 1525 } 1526 printf("%s: ", device_xname(isp->isp_osinfo.dev)); 1527 va_start(ap, fmt); 1528 vprintf(fmt, ap); 1529 va_end(ap); 1530 printf("\n"); 1531 } 1532 1533 void 1534 isp_xs_prt(struct ispsoftc *isp, XS_T *xs, int level, const char *fmt, ...) 1535 { 1536 va_list ap; 1537 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 1538 return; 1539 } 1540 scsipi_printaddr(xs->xs_periph); 1541 va_start(ap, fmt); 1542 vprintf(fmt, ap); 1543 va_end(ap); 1544 printf("\n"); 1545 } 1546 1547 void 1548 isp_lock(struct ispsoftc *isp) 1549 { 1550 int s = splbio(); 1551 if (isp->isp_osinfo.islocked++ == 0) { 1552 isp->isp_osinfo.splsaved = s; 1553 } else { 1554 splx(s); 1555 } 1556 } 1557 1558 void 1559 isp_unlock(struct ispsoftc *isp) 1560 { 1561 if (isp->isp_osinfo.islocked-- <= 1) { 1562 isp->isp_osinfo.islocked = 0; 1563 splx(isp->isp_osinfo.splsaved); 1564 } 1565 } 1566 1567 uint64_t 1568 isp_microtime_sub(struct timeval *b, struct timeval *a) 1569 { 1570 struct timeval x; 1571 uint64_t elapsed; 1572 timersub(b, a, &x); 1573 elapsed = GET_NANOSEC(&x); 1574 if (elapsed == 0) 1575 elapsed++; 1576 return (elapsed); 1577 } 1578 1579 int 1580 isp_mbox_acquire(ispsoftc_t *isp) 1581 { 1582 if (isp->isp_osinfo.mboxbsy) { 1583 return (1); 1584 } else { 1585 isp->isp_osinfo.mboxcmd_done = 0; 1586 isp->isp_osinfo.mboxbsy = 1; 1587 return (0); 1588 } 1589 } 1590 1591 void 1592 isp_mbox_wait_complete(struct ispsoftc *isp, mbreg_t *mbp) 1593 { 1594 unsigned int usecs = mbp->timeout; 1595 unsigned int maxc, olim, ilim; 1596 struct timeval start; 1597 1598 if (usecs == 0) { 1599 usecs = MBCMD_DEFAULT_TIMEOUT; 1600 } 1601 maxc = isp->isp_mbxwrk0 + 1; 1602 1603 microtime(&start); 1604 if (isp->isp_osinfo.mbox_sleep_ok) { 1605 int to; 1606 struct timeval tv, utv; 1607 1608 tv.tv_sec = 0; 1609 tv.tv_usec = 0; 1610 for (olim = 0; olim < maxc; olim++) { 1611 utv.tv_sec = usecs / 1000000; 1612 utv.tv_usec = usecs % 1000000; 1613 timeradd(&tv, &utv, &tv); 1614 } 1615 to = tvtohz(&tv); 1616 if (to == 0) 1617 to = 1; 1618 timeradd(&tv, &start, &tv); 1619 1620 isp->isp_osinfo.mbox_sleep_ok = 0; 1621 isp->isp_osinfo.mbox_sleeping = 1; 1622 tsleep(&isp->isp_mbxworkp, PRIBIO, "ispmbx_sleep", to); 1623 isp->isp_osinfo.mbox_sleeping = 0; 1624 isp->isp_osinfo.mbox_sleep_ok = 1; 1625 } else { 1626 for (olim = 0; olim < maxc; olim++) { 1627 for (ilim = 0; ilim < usecs; ilim += 100) { 1628 uint32_t isr; 1629 uint16_t sema, mbox; 1630 if (isp->isp_osinfo.mboxcmd_done) { 1631 break; 1632 } 1633 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 1634 isp_intr(isp, isr, sema, mbox); 1635 if (isp->isp_osinfo.mboxcmd_done) { 1636 break; 1637 } 1638 } 1639 ISP_DELAY(100); 1640 } 1641 if (isp->isp_osinfo.mboxcmd_done) { 1642 break; 1643 } 1644 } 1645 } 1646 if (isp->isp_osinfo.mboxcmd_done == 0) { 1647 struct timeval finish, elapsed; 1648 1649 microtime(&finish); 1650 timersub(&finish, &start, &elapsed); 1651 isp_prt(isp, ISP_LOGWARN, 1652 "%s Mailbox Command (%#x) Timeout (%juus actual)", 1653 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 1654 isp->isp_lastmbxcmd, (intmax_t)(elapsed.tv_sec * 1000000) + 1655 elapsed.tv_usec); 1656 mbp->param[0] = MBOX_TIMEOUT; 1657 isp->isp_osinfo.mboxcmd_done = 1; 1658 } 1659 } 1660 1661 void 1662 isp_mbox_notify_done(ispsoftc_t *isp) 1663 { 1664 if (isp->isp_osinfo.mbox_sleeping) { 1665 wakeup(&isp->isp_mbxworkp); 1666 } 1667 isp->isp_osinfo.mboxcmd_done = 1; 1668 } 1669 1670 void 1671 isp_mbox_release(ispsoftc_t *isp) 1672 { 1673 isp->isp_osinfo.mboxbsy = 0; 1674 } 1675
Indexes created Wed Sep 24 05:09:52 GMT 2025