isp_netbsd.c revision 1.85.2.1.4.1
1 /* $NetBSD: isp_netbsd.c,v 1.85.2.1.4.1 2017/08/19 04:27:37 snj 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 1.85.2.1.4.1 2017/08/19 04:27:37 snj 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 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->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 0x%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 0x%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; 826 827 828 ISP_ILOCK(isp); 829 /* 830 * We've decided this command is dead. Make sure we're not trying 831 * to kill a command that's already dead by getting it's handle and 832 * and seeing whether it's still alive. 833 */ 834 handle = isp_find_handle(isp, xs); 835 if (handle) { 836 uint32_t isr; 837 uint16_t mbox, sema; 838 839 if (XS_CMD_DONE_P(xs)) { 840 isp_prt(isp, ISP_LOGDEBUG1, 841 "watchdog found done cmd (handle 0x%x)", handle); 842 ISP_IUNLOCK(isp); 843 return; 844 } 845 846 if (XS_CMD_WDOG_P(xs)) { 847 isp_prt(isp, ISP_LOGDEBUG1, 848 "recursive watchdog (handle 0x%x)", handle); 849 ISP_IUNLOCK(isp); 850 return; 851 } 852 853 XS_CMD_S_WDOG(xs); 854 855 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 856 isp_intr(isp, isr, sema, mbox); 857 858 } 859 if (XS_CMD_DONE_P(xs)) { 860 isp_prt(isp, ISP_LOGDEBUG1, 861 "watchdog cleanup for handle 0x%x", handle); 862 XS_CMD_C_WDOG(xs); 863 isp_done(xs); 864 } else if (XS_CMD_GRACE_P(xs)) { 865 isp_prt(isp, ISP_LOGDEBUG1, 866 "watchdog timeout for handle 0x%x", handle); 867 /* 868 * Make sure the command is *really* dead before we 869 * release the handle (and DMA resources) for reuse. 870 */ 871 (void) isp_control(isp, ISPCTL_ABORT_CMD, arg); 872 873 /* 874 * After this point, the command is really dead. 875 */ 876 if (XS_XFRLEN(xs)) { 877 ISP_DMAFREE(isp, xs, handle); 878 } 879 isp_destroy_handle(isp, handle); 880 XS_SETERR(xs, XS_TIMEOUT); 881 XS_CMD_S_CLEAR(xs); 882 isp_done(xs); 883 } else { 884 void *qe; 885 isp_marker_t local, *mp = &local; 886 isp_prt(isp, ISP_LOGDEBUG2, 887 "possible command timeout on handle %x", handle); 888 XS_CMD_C_WDOG(xs); 889 callout_reset(&xs->xs_callout, hz, isp_dog, xs); 890 qe = isp_getrqentry(isp); 891 if (qe == NULL) { 892 ISP_UNLOCK(isp); 893 return; 894 } 895 XS_CMD_S_GRACE(xs); 896 ISP_MEMZERO((void *) mp, sizeof (*mp)); 897 mp->mrk_header.rqs_entry_count = 1; 898 mp->mrk_header.rqs_entry_type = RQSTYPE_MARKER; 899 mp->mrk_modifier = SYNC_ALL; 900 mp->mrk_target = XS_CHANNEL(xs) << 7; 901 isp_put_marker(isp, mp, qe); 902 ISP_SYNC_REQUEST(isp); 903 } 904 } else { 905 isp_prt(isp, ISP_LOGDEBUG0, "watchdog with no command"); 906 } 907 ISP_IUNLOCK(isp); 908 } 909 910 /* 911 * Gone Device Timer Function- when we have decided that a device has gone 912 * away, we wait a specific period of time prior to telling the OS it has 913 * gone away. 914 * 915 * This timer function fires once a second and then scans the port database 916 * for devices that are marked dead but still have a virtual target assigned. 917 * We decrement a counter for that port database entry, and when it hits zero, 918 * we tell the OS the device has gone away. 919 */ 920 static void 921 isp_gdt(void *arg) 922 { 923 ispsoftc_t *isp = arg; 924 fcportdb_t *lp; 925 int dbidx, tgt, more_to_do = 0; 926 927 isp_prt(isp, ISP_LOGDEBUG0, "GDT timer expired"); 928 ISP_LOCK(isp); 929 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 930 lp = &FCPARAM(isp, 0)->portdb[dbidx]; 931 932 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 933 continue; 934 } 935 if (lp->dev_map_idx == 0) { 936 continue; 937 } 938 if (lp->new_reserved == 0) { 939 continue; 940 } 941 lp->new_reserved -= 1; 942 if (lp->new_reserved != 0) { 943 more_to_do++; 944 continue; 945 } 946 tgt = lp->dev_map_idx - 1; 947 FCPARAM(isp, 0)->isp_dev_map[tgt] = 0; 948 lp->dev_map_idx = 0; 949 lp->state = FC_PORTDB_STATE_NIL; 950 isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt, 951 "Gone Device Timeout"); 952 isp_make_gone(isp, tgt); 953 } 954 if (more_to_do) { 955 callout_schedule(&isp->isp_osinfo.gdt, hz); 956 } else { 957 isp->isp_osinfo.gdt_running = 0; 958 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 959 "stopping Gone Device Timer"); 960 } 961 ISP_UNLOCK(isp); 962 } 963 964 /* 965 * Loop Down Timer Function- when loop goes down, a timer is started and 966 * and after it expires we come here and take all probational devices that 967 * the OS knows about and the tell the OS that they've gone away. 968 * 969 * We don't clear the devices out of our port database because, when loop 970 * come back up, we have to do some actual cleanup with the chip at that 971 * point (implicit PLOGO, e.g., to get the chip's port database state right). 972 */ 973 static void 974 isp_ldt(void *arg) 975 { 976 ispsoftc_t *isp = arg; 977 fcportdb_t *lp; 978 int dbidx, tgt; 979 980 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Loop Down Timer expired"); 981 ISP_LOCK(isp); 982 983 /* 984 * Notify to the OS all targets who we now consider have departed. 985 */ 986 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 987 lp = &FCPARAM(isp, 0)->portdb[dbidx]; 988 989 if (lp->state != FC_PORTDB_STATE_PROBATIONAL) { 990 continue; 991 } 992 if (lp->dev_map_idx == 0) { 993 continue; 994 } 995 996 /* 997 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 998 */ 999 1000 /* 1001 * Mark that we've announced that this device is gone.... 1002 */ 1003 lp->reserved = 1; 1004 1005 /* 1006 * but *don't* change the state of the entry. Just clear 1007 * any target id stuff and announce to CAM that the 1008 * device is gone. This way any necessary PLOGO stuff 1009 * will happen when loop comes back up. 1010 */ 1011 1012 tgt = lp->dev_map_idx - 1; 1013 FCPARAM(isp, 0)->isp_dev_map[tgt] = 0; 1014 lp->dev_map_idx = 0; 1015 isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt, 1016 "Loop Down Timeout"); 1017 isp_make_gone(isp, tgt); 1018 } 1019 1020 /* 1021 * The loop down timer has expired. Wake up the kthread 1022 * to notice that fact (or make it false). 1023 */ 1024 isp->isp_osinfo.loop_down_time = isp->isp_osinfo.loop_down_limit+1; 1025 wakeup(&isp->isp_osinfo.thread); 1026 ISP_UNLOCK(isp); 1027 } 1028 1029 static void 1030 isp_make_here(ispsoftc_t *isp, int tgt) 1031 { 1032 isp_prt(isp, ISP_LOGINFO, "target %d has arrived", tgt); 1033 } 1034 1035 static void 1036 isp_make_gone(ispsoftc_t *isp, int tgt) 1037 { 1038 isp_prt(isp, ISP_LOGINFO, "target %d has departed", tgt); 1039 } 1040 1041 static void 1042 isp_fc_worker(void *arg) 1043 { 1044 void scsipi_run_queue(struct scsipi_channel *); 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 0x%06x handle 0x%x role %s %s\n" 1183 " WWNN 0x%08x%08x WWPN 0x%08x%08x"; 1184 static const char prom2[] = 1185 "PortID 0x%06x handle 0x%x role %s %s tgt %u\n" 1186 " WWNN 0x%08x%08x WWPN 0x%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 case ISPASYNC_BUS_RESET: 1220 va_start(ap, cmd); 1221 bus = va_arg(ap, int); 1222 va_end(ap); 1223 isp_prt(isp, ISP_LOGINFO, "SCSI bus %d reset detected", bus); 1224 scsipi_async_event(&isp->isp_osinfo.chan[bus], 1225 ASYNC_EVENT_RESET, NULL); 1226 break; 1227 case ISPASYNC_LIP: 1228 if (msg == NULL) { 1229 msg = "LIP Received"; 1230 } 1231 /* FALLTHROUGH */ 1232 case ISPASYNC_LOOP_RESET: 1233 if (msg == NULL) { 1234 msg = "LOOP Reset Received"; 1235 } 1236 /* FALLTHROUGH */ 1237 case ISPASYNC_LOOP_DOWN: 1238 if (msg == NULL) { 1239 msg = "Loop DOWN"; 1240 } 1241 va_start(ap, cmd); 1242 bus = va_arg(ap, int); 1243 va_end(ap); 1244 1245 /* 1246 * Don't do queue freezes or blockage until we have the 1247 * thread running and interrupts that can unfreeze/unblock us. 1248 */ 1249 if (isp->isp_osinfo.mbox_sleep_ok && 1250 isp->isp_osinfo.blocked == 0 && 1251 isp->isp_osinfo.thread) { 1252 isp->isp_osinfo.blocked = 1; 1253 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1254 "FREEZE QUEUES @ LINE %d", __LINE__); 1255 scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); 1256 if (callout_pending(&isp->isp_osinfo.ldt) == 0) { 1257 callout_schedule(&isp->isp_osinfo.ldt, 1258 isp->isp_osinfo.loop_down_limit * hz); 1259 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1260 "Starting Loop Down Timer"); 1261 } 1262 } 1263 isp_prt(isp, ISP_LOGINFO, msg); 1264 break; 1265 case ISPASYNC_LOOP_UP: 1266 /* 1267 * Let the subsequent ISPASYNC_CHANGE_NOTIFY invoke 1268 * the FC worker thread. When the FC worker thread 1269 * is done, let *it* call scsipi_channel_thaw... 1270 */ 1271 isp_prt(isp, ISP_LOGINFO, "Loop UP"); 1272 break; 1273 case ISPASYNC_DEV_ARRIVED: 1274 va_start(ap, cmd); 1275 bus = va_arg(ap, int); 1276 lp = va_arg(ap, fcportdb_t *); 1277 va_end(ap); 1278 lp->reserved = 0; 1279 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 1280 (lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT))) { 1281 int dbidx = lp - FCPARAM(isp, bus)->portdb; 1282 int i; 1283 1284 for (i = 0; i < MAX_FC_TARG; i++) { 1285 if (i >= FL_ID && i <= SNS_ID) { 1286 continue; 1287 } 1288 if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) { 1289 break; 1290 } 1291 } 1292 if (i < MAX_FC_TARG) { 1293 FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1; 1294 lp->dev_map_idx = i + 1; 1295 } else { 1296 isp_prt(isp, ISP_LOGWARN, "out of target ids"); 1297 isp_dump_portdb(isp, bus); 1298 } 1299 } 1300 if (lp->dev_map_idx) { 1301 tgt = lp->dev_map_idx - 1; 1302 isp_prt(isp, ISP_LOGCONFIG, prom2, 1303 lp->portid, lp->handle, 1304 roles[lp->roles], "arrived at", tgt, 1305 (uint32_t) (lp->node_wwn >> 32), 1306 (uint32_t) lp->node_wwn, 1307 (uint32_t) (lp->port_wwn >> 32), 1308 (uint32_t) lp->port_wwn); 1309 isp_make_here(isp, tgt); 1310 } else { 1311 isp_prt(isp, ISP_LOGCONFIG, prom, 1312 lp->portid, lp->handle, 1313 roles[lp->roles], "arrived", 1314 (uint32_t) (lp->node_wwn >> 32), 1315 (uint32_t) lp->node_wwn, 1316 (uint32_t) (lp->port_wwn >> 32), 1317 (uint32_t) lp->port_wwn); 1318 } 1319 break; 1320 case ISPASYNC_DEV_CHANGED: 1321 va_start(ap, cmd); 1322 bus = va_arg(ap, int); 1323 lp = va_arg(ap, fcportdb_t *); 1324 va_end(ap); 1325 if (isp_change_is_bad) { 1326 lp->state = FC_PORTDB_STATE_NIL; 1327 if (lp->dev_map_idx) { 1328 tgt = lp->dev_map_idx - 1; 1329 FCPARAM(isp, bus)->isp_dev_map[tgt] = 0; 1330 lp->dev_map_idx = 0; 1331 isp_prt(isp, ISP_LOGCONFIG, prom3, 1332 lp->portid, tgt, "change is bad"); 1333 isp_make_gone(isp, tgt); 1334 } else { 1335 isp_prt(isp, ISP_LOGCONFIG, prom, 1336 lp->portid, lp->handle, 1337 roles[lp->roles], 1338 "changed and departed", 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 } 1344 } else { 1345 lp->portid = lp->new_portid; 1346 lp->roles = lp->new_roles; 1347 if (lp->dev_map_idx) { 1348 int t = lp->dev_map_idx - 1; 1349 FCPARAM(isp, bus)->isp_dev_map[t] = 1350 (lp - FCPARAM(isp, bus)->portdb) + 1; 1351 tgt = lp->dev_map_idx - 1; 1352 isp_prt(isp, ISP_LOGCONFIG, prom2, 1353 lp->portid, lp->handle, 1354 roles[lp->roles], "changed at", tgt, 1355 (uint32_t) (lp->node_wwn >> 32), 1356 (uint32_t) lp->node_wwn, 1357 (uint32_t) (lp->port_wwn >> 32), 1358 (uint32_t) lp->port_wwn); 1359 } else { 1360 isp_prt(isp, ISP_LOGCONFIG, prom, 1361 lp->portid, lp->handle, 1362 roles[lp->roles], "changed", 1363 (uint32_t) (lp->node_wwn >> 32), 1364 (uint32_t) lp->node_wwn, 1365 (uint32_t) (lp->port_wwn >> 32), 1366 (uint32_t) lp->port_wwn); 1367 } 1368 } 1369 break; 1370 case ISPASYNC_DEV_STAYED: 1371 va_start(ap, cmd); 1372 bus = va_arg(ap, int); 1373 lp = va_arg(ap, fcportdb_t *); 1374 va_end(ap); 1375 if (lp->dev_map_idx) { 1376 tgt = lp->dev_map_idx - 1; 1377 isp_prt(isp, ISP_LOGCONFIG, prom2, 1378 lp->portid, lp->handle, 1379 roles[lp->roles], "stayed at", tgt, 1380 (uint32_t) (lp->node_wwn >> 32), 1381 (uint32_t) lp->node_wwn, 1382 (uint32_t) (lp->port_wwn >> 32), 1383 (uint32_t) lp->port_wwn); 1384 } else { 1385 isp_prt(isp, ISP_LOGCONFIG, prom, 1386 lp->portid, lp->handle, 1387 roles[lp->roles], "stayed", 1388 (uint32_t) (lp->node_wwn >> 32), 1389 (uint32_t) lp->node_wwn, 1390 (uint32_t) (lp->port_wwn >> 32), 1391 (uint32_t) lp->port_wwn); 1392 } 1393 break; 1394 case ISPASYNC_DEV_GONE: 1395 va_start(ap, cmd); 1396 bus = va_arg(ap, int); 1397 lp = va_arg(ap, fcportdb_t *); 1398 va_end(ap); 1399 /* 1400 * If this has a virtual target and we haven't marked it 1401 * that we're going to have isp_gdt tell the OS it's gone, 1402 * set the isp_gdt timer running on it. 1403 * 1404 * If it isn't marked that isp_gdt is going to get rid of it, 1405 * announce that it's gone. 1406 */ 1407 if (lp->dev_map_idx && lp->reserved == 0) { 1408 lp->reserved = 1; 1409 lp->new_reserved = isp->isp_osinfo.gone_device_time; 1410 lp->state = FC_PORTDB_STATE_ZOMBIE; 1411 if (isp->isp_osinfo.gdt_running == 0) { 1412 isp->isp_osinfo.gdt_running = 1; 1413 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1414 "starting Gone Device Timer"); 1415 callout_schedule(&isp->isp_osinfo.gdt, hz); 1416 } 1417 tgt = lp->dev_map_idx - 1; 1418 isp_prt(isp, ISP_LOGCONFIG, prom2, 1419 lp->portid, lp->handle, 1420 roles[lp->roles], "gone zombie at", tgt, 1421 (uint32_t) (lp->node_wwn >> 32), 1422 (uint32_t) lp->node_wwn, 1423 (uint32_t) (lp->port_wwn >> 32), 1424 (uint32_t) lp->port_wwn); 1425 } else if (lp->reserved == 0) { 1426 isp_prt(isp, ISP_LOGCONFIG, prom, 1427 lp->portid, lp->handle, 1428 roles[lp->roles], "departed", 1429 (uint32_t) (lp->node_wwn >> 32), 1430 (uint32_t) lp->node_wwn, 1431 (uint32_t) (lp->port_wwn >> 32), 1432 (uint32_t) lp->port_wwn); 1433 } 1434 break; 1435 case ISPASYNC_CHANGE_NOTIFY: 1436 { 1437 int opt; 1438 1439 va_start(ap, cmd); 1440 bus = va_arg(ap, int); 1441 opt = va_arg(ap, int); 1442 va_end(ap); 1443 1444 if (opt == ISPASYNC_CHANGE_PDB) { 1445 msg = "Port Database Changed"; 1446 } else if (opt == ISPASYNC_CHANGE_SNS) { 1447 msg = "Name Server Database Changed"; 1448 } else { 1449 msg = "Other Change Notify"; 1450 } 1451 /* 1452 * If the loop down timer is running, cancel it. 1453 */ 1454 if (callout_pending(&isp->isp_osinfo.ldt)) { 1455 callout_stop(&isp->isp_osinfo.ldt); 1456 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1457 "Stopping Loop Down Timer"); 1458 } 1459 isp_prt(isp, ISP_LOGINFO, msg); 1460 /* 1461 * We can set blocked here because we know it's now okay 1462 * to try and run isp_fc_runstate (in order to build loop 1463 * state). But we don't try and freeze the midlayer's queue 1464 * if we have no thread that we can wake to later unfreeze 1465 * it. 1466 */ 1467 if (isp->isp_osinfo.blocked == 0) { 1468 isp->isp_osinfo.blocked = 1; 1469 if (isp->isp_osinfo.thread) { 1470 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1471 "FREEZE QUEUES @ LINE %d", __LINE__); 1472 scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); 1473 } 1474 } 1475 /* 1476 * Note that we have work for the thread to do, and 1477 * if the thread is here already, wake it up. 1478 */ 1479 if (isp->isp_osinfo.thread) { 1480 wakeup(&isp->isp_osinfo.thread); 1481 } else { 1482 isp_prt(isp, ISP_LOGDEBUG1, "no FC thread yet"); 1483 } 1484 break; 1485 } 1486 case ISPASYNC_FW_CRASH: 1487 { 1488 uint16_t mbox1; 1489 mbox1 = ISP_READ(isp, OUTMAILBOX1); 1490 if (IS_DUALBUS(isp)) { 1491 bus = ISP_READ(isp, OUTMAILBOX6); 1492 } else { 1493 bus = 0; 1494 } 1495 isp_prt(isp, ISP_LOGERR, 1496 "Internal Firmware Error on bus %d @ RISC Address 0x%x", 1497 bus, mbox1); 1498 if (IS_FC(isp)) { 1499 if (isp->isp_osinfo.blocked == 0) { 1500 isp->isp_osinfo.blocked = 1; 1501 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1502 "FREEZE QUEUES @ LINE %d", __LINE__); 1503 scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); 1504 } 1505 } 1506 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 1507 isp->isp_osinfo.mbox_sleep_ok = 0; 1508 isp_reinit(isp, 0); 1509 isp->isp_osinfo.mbox_sleep_ok = mbox1; 1510 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 1511 break; 1512 } 1513 default: 1514 break; 1515 } 1516 } 1517 1518 void 1519 isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...) 1520 { 1521 va_list ap; 1522 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 1523 return; 1524 } 1525 printf("%s: ", device_xname(isp->isp_osinfo.dev)); 1526 va_start(ap, fmt); 1527 vprintf(fmt, ap); 1528 va_end(ap); 1529 printf("\n"); 1530 } 1531 1532 void 1533 isp_xs_prt(struct ispsoftc *isp, XS_T *xs, int level, const char *fmt, ...) 1534 { 1535 va_list ap; 1536 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 1537 return; 1538 } 1539 scsipi_printaddr(xs->xs_periph); 1540 va_start(ap, fmt); 1541 vprintf(fmt, ap); 1542 va_end(ap); 1543 printf("\n"); 1544 } 1545 1546 void 1547 isp_lock(struct ispsoftc *isp) 1548 { 1549 int s = splbio(); 1550 if (isp->isp_osinfo.islocked++ == 0) { 1551 isp->isp_osinfo.splsaved = s; 1552 } else { 1553 splx(s); 1554 } 1555 } 1556 1557 void 1558 isp_unlock(struct ispsoftc *isp) 1559 { 1560 if (isp->isp_osinfo.islocked-- <= 1) { 1561 isp->isp_osinfo.islocked = 0; 1562 splx(isp->isp_osinfo.splsaved); 1563 } 1564 } 1565 1566 uint64_t 1567 isp_microtime_sub(struct timeval *b, struct timeval *a) 1568 { 1569 struct timeval x; 1570 uint64_t elapsed; 1571 timersub(b, a, &x); 1572 elapsed = GET_NANOSEC(&x); 1573 if (elapsed == 0) 1574 elapsed++; 1575 return (elapsed); 1576 } 1577 1578 int 1579 isp_mbox_acquire(ispsoftc_t *isp) 1580 { 1581 if (isp->isp_osinfo.mboxbsy) { 1582 return (1); 1583 } else { 1584 isp->isp_osinfo.mboxcmd_done = 0; 1585 isp->isp_osinfo.mboxbsy = 1; 1586 return (0); 1587 } 1588 } 1589 1590 void 1591 isp_mbox_wait_complete(struct ispsoftc *isp, mbreg_t *mbp) 1592 { 1593 unsigned int usecs = mbp->timeout; 1594 unsigned int maxc, olim, ilim; 1595 struct timeval start; 1596 1597 if (usecs == 0) { 1598 usecs = MBCMD_DEFAULT_TIMEOUT; 1599 } 1600 maxc = isp->isp_mbxwrk0 + 1; 1601 1602 microtime(&start); 1603 if (isp->isp_osinfo.mbox_sleep_ok) { 1604 int to; 1605 struct timeval tv, utv; 1606 1607 tv.tv_sec = 0; 1608 tv.tv_usec = 0; 1609 for (olim = 0; olim < maxc; olim++) { 1610 utv.tv_sec = usecs / 1000000; 1611 utv.tv_usec = usecs % 1000000; 1612 timeradd(&tv, &utv, &tv); 1613 } 1614 to = tvtohz(&tv); 1615 if (to == 0) 1616 to = 1; 1617 timeradd(&tv, &start, &tv); 1618 1619 isp->isp_osinfo.mbox_sleep_ok = 0; 1620 isp->isp_osinfo.mbox_sleeping = 1; 1621 tsleep(&isp->isp_mbxworkp, PRIBIO, "ispmbx_sleep", to); 1622 isp->isp_osinfo.mbox_sleeping = 0; 1623 isp->isp_osinfo.mbox_sleep_ok = 1; 1624 } else { 1625 for (olim = 0; olim < maxc; olim++) { 1626 for (ilim = 0; ilim < usecs; ilim += 100) { 1627 uint32_t isr; 1628 uint16_t sema, mbox; 1629 if (isp->isp_osinfo.mboxcmd_done) { 1630 break; 1631 } 1632 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 1633 isp_intr(isp, isr, sema, mbox); 1634 if (isp->isp_osinfo.mboxcmd_done) { 1635 break; 1636 } 1637 } 1638 ISP_DELAY(100); 1639 } 1640 if (isp->isp_osinfo.mboxcmd_done) { 1641 break; 1642 } 1643 } 1644 } 1645 if (isp->isp_osinfo.mboxcmd_done == 0) { 1646 struct timeval finish, elapsed; 1647 1648 microtime(&finish); 1649 timersub(&finish, &start, &elapsed); 1650 isp_prt(isp, ISP_LOGWARN, 1651 "%s Mailbox Command (0x%x) Timeout (%uus actual)", 1652 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 1653 isp->isp_lastmbxcmd, (elapsed.tv_sec * 1000000) + 1654 elapsed.tv_usec); 1655 mbp->param[0] = MBOX_TIMEOUT; 1656 isp->isp_osinfo.mboxcmd_done = 1; 1657 } 1658 } 1659 1660 void 1661 isp_mbox_notify_done(ispsoftc_t *isp) 1662 { 1663 if (isp->isp_osinfo.mbox_sleeping) { 1664 wakeup(&isp->isp_mbxworkp); 1665 } 1666 isp->isp_osinfo.mboxcmd_done = 1; 1667 } 1668 1669 void 1670 isp_mbox_release(ispsoftc_t *isp) 1671 { 1672 isp->isp_osinfo.mboxbsy = 0; 1673 } 1674
Indexes created Tue Sep 30 20:09:53 GMT 2025