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sys/dev/ic/isp_netbsd.c
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1 /* $NetBSD: isp_netbsd.c,v 1.98 2021/08/07 16:19:12 thorpej 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 1.98 2021/08/07 16:19:12 thorpej Exp $"); 37 38 #include <dev/ic/isp_netbsd.h> 39 #include <dev/ic/isp_ioctl.h> 40 #include <sys/scsiio.h> 41 42 /* 43 * Set a timeout for the watchdogging of a command. 44 * 45 * The dimensional analysis is 46 * 47 * milliseconds * (seconds/millisecond) * (ticks/second) = ticks 48 * 49 * = 50 * 51 * (milliseconds / 1000) * hz = ticks 52 * 53 * 54 * For timeouts less than 1 second, we'll get zero. Because of this, and 55 * because we want to establish *our* timeout to be longer than what the 56 * firmware might do, we just add 3 seconds at the back end. 57 */ 58 #define _XT(xs) ((((xs)->timeout/1000) * hz) + (3 * hz)) 59 60 static void isp_config_interrupts(device_t); 61 static void ispminphys_1020(struct buf *); 62 static void ispminphys(struct buf *); 63 static void ispcmd(struct ispsoftc *, XS_T *); 64 static void isprequest(struct scsipi_channel *, scsipi_adapter_req_t, void *); 65 static int 66 ispioctl(struct scsipi_channel *, u_long, void *, int, struct proc *); 67 68 static void isp_polled_cmd_wait(struct ispsoftc *, XS_T *); 69 static void isp_dog(void *); 70 static void isp_gdt(void *); 71 static void isp_ldt(void *); 72 static void isp_make_here(ispsoftc_t *, int); 73 static void isp_make_gone(ispsoftc_t *, int); 74 static void isp_fc_worker(void *); 75 76 static const char *roles[4] = { 77 "(none)", "Target", "Initiator", "Target/Initiator" 78 }; 79 static const char prom3[] = 80 "PortID %#06x Departed from Target %u because of %s"; 81 int isp_change_is_bad = 0; /* "changed" devices are bad */ 82 int isp_quickboot_time = 15; /* don't wait more than N secs for loop up */ 83 static int isp_fabric_hysteresis = 5; 84 #define isp_change_is_bad 0 85 86 /* 87 * Complete attachment of hardware, include subdevices. 88 */ 89 90 void 91 isp_attach(struct ispsoftc *isp) 92 { 93 device_t self = isp->isp_osinfo.dev; 94 int i; 95 96 isp->isp_state = ISP_RUNSTATE; 97 98 isp->isp_osinfo.adapter.adapt_dev = self; 99 isp->isp_osinfo.adapter.adapt_openings = isp->isp_maxcmds; 100 isp->isp_osinfo.loop_down_limit = 300; 101 102 /* 103 * It's not stated whether max_periph is limited by SPI 104 * tag uage, but let's assume that it is. 105 */ 106 isp->isp_osinfo.adapter.adapt_max_periph = uimin(isp->isp_maxcmds, 255); 107 isp->isp_osinfo.adapter.adapt_ioctl = ispioctl; 108 isp->isp_osinfo.adapter.adapt_request = isprequest; 109 if (isp->isp_type <= ISP_HA_SCSI_1020A) { 110 isp->isp_osinfo.adapter.adapt_minphys = ispminphys_1020; 111 } else { 112 isp->isp_osinfo.adapter.adapt_minphys = ispminphys; 113 } 114 115 callout_init(&isp->isp_osinfo.gdt, 0); 116 callout_setfunc(&isp->isp_osinfo.gdt, isp_gdt, isp); 117 callout_init(&isp->isp_osinfo.ldt, 0); 118 callout_setfunc(&isp->isp_osinfo.ldt, isp_ldt, isp); 119 if (IS_FC(isp)) { 120 if (kthread_create(PRI_NONE, 0, NULL, isp_fc_worker, isp, 121 &isp->isp_osinfo.thread, "%s:fc_thrd", 122 device_xname(self))) { 123 isp_prt(isp, ISP_LOGERR, 124 "unable to create FC worker thread"); 125 return; 126 } 127 } 128 129 for (i = 0; i != isp->isp_osinfo.adapter.adapt_nchannels; i++) { 130 isp->isp_osinfo.chan[i].chan_adapter = 131 &isp->isp_osinfo.adapter; 132 isp->isp_osinfo.chan[i].chan_bustype = &scsi_bustype; 133 isp->isp_osinfo.chan[i].chan_channel = i; 134 /* 135 * Until the midlayer is fixed to use REPORT LUNS, 136 * limit to 8 luns. 137 */ 138 isp->isp_osinfo.chan[i].chan_nluns = uimin(isp->isp_maxluns, 8); 139 if (IS_FC(isp)) { 140 isp->isp_osinfo.chan[i].chan_ntargets = MAX_FC_TARG; 141 if (ISP_CAP_2KLOGIN(isp) == 0 && MAX_FC_TARG > 256) { 142 isp->isp_osinfo.chan[i].chan_ntargets = 256; 143 } 144 isp->isp_osinfo.chan[i].chan_id = MAX_FC_TARG; 145 } else { 146 isp->isp_osinfo.chan[i].chan_ntargets = MAX_TARGETS; 147 isp->isp_osinfo.chan[i].chan_id = 148 SDPARAM(isp, i)->isp_initiator_id; 149 ISP_LOCK(isp); 150 (void) isp_control(isp, ISPCTL_RESET_BUS, i); 151 ISP_UNLOCK(isp); 152 } 153 } 154 155 /* 156 * Defer enabling mailbox interrupts until later. 157 */ 158 config_interrupts(self, isp_config_interrupts); 159 } 160 161 static void 162 isp_config_interrupts(device_t self) 163 { 164 int i; 165 struct ispsoftc *isp = device_private(self); 166 167 isp->isp_osinfo.mbox_sleep_ok = 1; 168 169 if (IS_FC(isp) && (FCPARAM(isp, 0)->isp_fwstate != FW_READY || 170 FCPARAM(isp, 0)->isp_loopstate != LOOP_READY)) { 171 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 172 "Starting Initial Loop Down Timer"); 173 callout_schedule(&isp->isp_osinfo.ldt, isp_quickboot_time * hz); 174 } 175 176 /* 177 * And attach children (if any). 178 */ 179 for (i = 0; i < isp->isp_osinfo.adapter.adapt_nchannels; i++) { 180 config_found(self, &isp->isp_osinfo.chan[i], scsiprint, 181 CFARGS_NONE); 182 } 183 } 184 185 /* 186 * minphys our xfers 187 */ 188 static void 189 ispminphys_1020(struct buf *bp) 190 { 191 if (bp->b_bcount >= (1 << 24)) { 192 bp->b_bcount = (1 << 24); 193 } 194 minphys(bp); 195 } 196 197 static void 198 ispminphys(struct buf *bp) 199 { 200 if (bp->b_bcount >= (1 << 30)) { 201 bp->b_bcount = (1 << 30); 202 } 203 minphys(bp); 204 } 205 206 static int 207 ispioctl(struct scsipi_channel *chan, u_long cmd, void *addr, int flag, 208 struct proc *p) 209 { 210 struct ispsoftc *isp = device_private(chan->chan_adapter->adapt_dev); 211 int nr, bus, retval = ENOTTY; 212 213 switch (cmd) { 214 case ISP_SDBLEV: 215 { 216 int olddblev = isp->isp_dblev; 217 isp->isp_dblev = *(int *)addr; 218 *(int *)addr = olddblev; 219 retval = 0; 220 break; 221 } 222 case ISP_GETROLE: 223 bus = *(int *)addr; 224 if (bus < 0 || bus >= isp->isp_nchan) { 225 retval = -ENXIO; 226 break; 227 } 228 if (IS_FC(isp)) { 229 *(int *)addr = FCPARAM(isp, bus)->role; 230 } else { 231 *(int *)addr = SDPARAM(isp, bus)->role; 232 } 233 retval = 0; 234 break; 235 case ISP_SETROLE: 236 237 nr = *(int *)addr; 238 bus = nr >> 8; 239 if (bus < 0 || bus >= isp->isp_nchan) { 240 retval = -ENXIO; 241 break; 242 } 243 nr &= 0xff; 244 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 245 retval = EINVAL; 246 break; 247 } 248 if (IS_FC(isp)) { 249 *(int *)addr = FCPARAM(isp, bus)->role; 250 FCPARAM(isp, bus)->role = nr; 251 } else { 252 *(int *)addr = SDPARAM(isp, bus)->role; 253 SDPARAM(isp, bus)->role = nr; 254 } 255 retval = 0; 256 break; 257 258 case ISP_RESETHBA: 259 ISP_LOCK(isp); 260 isp_reinit(isp, 0); 261 ISP_UNLOCK(isp); 262 retval = 0; 263 break; 264 265 case ISP_RESCAN: 266 if (IS_FC(isp)) { 267 bus = *(int *)addr; 268 if (bus < 0 || bus >= isp->isp_nchan) { 269 retval = -ENXIO; 270 break; 271 } 272 ISP_LOCK(isp); 273 if (isp_fc_runstate(isp, bus, 5 * 1000000)) { 274 retval = EIO; 275 } else { 276 retval = 0; 277 } 278 ISP_UNLOCK(isp); 279 } 280 break; 281 282 case ISP_FC_LIP: 283 if (IS_FC(isp)) { 284 bus = *(int *)addr; 285 if (bus < 0 || bus >= isp->isp_nchan) { 286 retval = -ENXIO; 287 break; 288 } 289 ISP_LOCK(isp); 290 if (isp_control(isp, ISPCTL_SEND_LIP, bus)) { 291 retval = EIO; 292 } else { 293 retval = 0; 294 } 295 ISP_UNLOCK(isp); 296 } 297 break; 298 case ISP_FC_GETDINFO: 299 { 300 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 301 fcportdb_t *lp; 302 303 if (IS_SCSI(isp)) { 304 break; 305 } 306 if (ifc->loopid >= MAX_FC_TARG) { 307 retval = EINVAL; 308 break; 309 } 310 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 311 if (lp->state == FC_PORTDB_STATE_VALID) { 312 ifc->role = lp->roles; 313 ifc->loopid = lp->handle; 314 ifc->portid = lp->portid; 315 ifc->node_wwn = lp->node_wwn; 316 ifc->port_wwn = lp->port_wwn; 317 retval = 0; 318 } else { 319 retval = ENODEV; 320 } 321 break; 322 } 323 case ISP_GET_STATS: 324 { 325 isp_stats_t *sp = (isp_stats_t *) addr; 326 327 ISP_MEMZERO(sp, sizeof (*sp)); 328 sp->isp_stat_version = ISP_STATS_VERSION; 329 sp->isp_type = isp->isp_type; 330 sp->isp_revision = isp->isp_revision; 331 ISP_LOCK(isp); 332 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 333 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 334 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 335 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 336 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 337 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 338 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 339 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 340 ISP_UNLOCK(isp); 341 retval = 0; 342 break; 343 } 344 case ISP_CLR_STATS: 345 ISP_LOCK(isp); 346 isp->isp_intcnt = 0; 347 isp->isp_intbogus = 0; 348 isp->isp_intmboxc = 0; 349 isp->isp_intoasync = 0; 350 isp->isp_rsltccmplt = 0; 351 isp->isp_fphccmplt = 0; 352 isp->isp_rscchiwater = 0; 353 isp->isp_fpcchiwater = 0; 354 ISP_UNLOCK(isp); 355 retval = 0; 356 break; 357 case ISP_FC_GETHINFO: 358 { 359 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 360 bus = hba->fc_channel; 361 362 if (bus < 0 || bus >= isp->isp_nchan) { 363 retval = ENXIO; 364 break; 365 } 366 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 367 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 368 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 369 hba->fc_nchannels = isp->isp_nchan; 370 hba->fc_nports = isp->isp_nchan;/* XXXX 24XX STUFF? XXX */ 371 if (IS_FC(isp)) { 372 hba->fc_speed = FCPARAM(isp, bus)->isp_gbspeed; 373 hba->fc_topology = FCPARAM(isp, bus)->isp_topo + 1; 374 hba->fc_loopid = FCPARAM(isp, bus)->isp_loopid; 375 hba->nvram_node_wwn = FCPARAM(isp, bus)->isp_wwnn_nvram; 376 hba->nvram_port_wwn = FCPARAM(isp, bus)->isp_wwpn_nvram; 377 hba->active_node_wwn = FCPARAM(isp, bus)->isp_wwnn; 378 hba->active_port_wwn = FCPARAM(isp, bus)->isp_wwpn; 379 } else { 380 hba->fc_speed = 0; 381 hba->fc_topology = 0; 382 hba->nvram_node_wwn = 0ull; 383 hba->nvram_port_wwn = 0ull; 384 hba->active_node_wwn = 0ull; 385 hba->active_port_wwn = 0ull; 386 } 387 retval = 0; 388 break; 389 } 390 case ISP_TSK_MGMT: 391 { 392 int needmarker; 393 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 394 uint16_t loopid; 395 mbreg_t mbs; 396 397 if (IS_SCSI(isp)) { 398 break; 399 } 400 401 bus = fct->chan; 402 if (bus < 0 || bus >= isp->isp_nchan) { 403 retval = -ENXIO; 404 break; 405 } 406 407 memset(&mbs, 0, sizeof (mbs)); 408 needmarker = retval = 0; 409 loopid = fct->loopid; 410 if (ISP_CAP_2KLOGIN(isp) == 0) { 411 loopid <<= 8; 412 } 413 switch (fct->action) { 414 case IPT_CLEAR_ACA: 415 mbs.param[0] = MBOX_CLEAR_ACA; 416 mbs.param[1] = loopid; 417 mbs.param[2] = fct->lun; 418 break; 419 case IPT_TARGET_RESET: 420 mbs.param[0] = MBOX_TARGET_RESET; 421 mbs.param[1] = loopid; 422 needmarker = 1; 423 break; 424 case IPT_LUN_RESET: 425 mbs.param[0] = MBOX_LUN_RESET; 426 mbs.param[1] = loopid; 427 mbs.param[2] = fct->lun; 428 needmarker = 1; 429 break; 430 case IPT_CLEAR_TASK_SET: 431 mbs.param[0] = MBOX_CLEAR_TASK_SET; 432 mbs.param[1] = loopid; 433 mbs.param[2] = fct->lun; 434 needmarker = 1; 435 break; 436 case IPT_ABORT_TASK_SET: 437 mbs.param[0] = MBOX_ABORT_TASK_SET; 438 mbs.param[1] = loopid; 439 mbs.param[2] = fct->lun; 440 needmarker = 1; 441 break; 442 default: 443 retval = EINVAL; 444 break; 445 } 446 if (retval == 0) { 447 if (needmarker) { 448 FCPARAM(isp, bus)->sendmarker = 1; 449 } 450 ISP_LOCK(isp); 451 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 452 ISP_UNLOCK(isp); 453 if (retval) { 454 retval = EIO; 455 } 456 } 457 break; 458 } 459 case ISP_FC_GETDLIST: 460 { 461 isp_dlist_t local, *ua; 462 uint16_t nph, nphe, count, channel, lim; 463 struct wwnpair pair, *uptr; 464 465 if (IS_SCSI(isp)) { 466 retval = EINVAL; 467 break; 468 } 469 470 ua = *(isp_dlist_t **)addr; 471 if (copyin(ua, &local, sizeof (isp_dlist_t))) { 472 retval = EFAULT; 473 break; 474 } 475 lim = local.count; 476 channel = local.channel; 477 if (channel >= isp->isp_nchan) { 478 retval = EINVAL; 479 break; 480 } 481 482 ua = *(isp_dlist_t **)addr; 483 uptr = &ua->wwns[0]; 484 485 if (ISP_CAP_2KLOGIN(isp)) { 486 nphe = NPH_MAX_2K; 487 } else { 488 nphe = NPH_MAX; 489 } 490 for (count = 0, nph = 0; count < lim && nph != nphe; nph++) { 491 ISP_LOCK(isp); 492 retval = isp_control(isp, ISPCTL_GET_NAMES, channel, 493 nph, &pair.wwnn, &pair.wwpn); 494 ISP_UNLOCK(isp); 495 if (retval || (pair.wwpn == INI_NONE && 496 pair.wwnn == INI_NONE)) { 497 retval = 0; 498 continue; 499 } 500 if (copyout(&pair, (void *)uptr++, sizeof (pair))) { 501 retval = EFAULT; 502 break; 503 } 504 count++; 505 } 506 if (retval == 0) { 507 if (copyout(&count, (void *)&ua->count, 508 sizeof (count))) { 509 retval = EFAULT; 510 } 511 } 512 break; 513 } 514 case SCBUSIORESET: 515 ISP_LOCK(isp); 516 if (isp_control(isp, ISPCTL_RESET_BUS, &chan->chan_channel)) { 517 retval = EIO; 518 } else { 519 retval = 0; 520 } 521 ISP_UNLOCK(isp); 522 break; 523 default: 524 break; 525 } 526 return (retval); 527 } 528 529 static void 530 ispcmd(struct ispsoftc *isp, XS_T *xs) 531 { 532 volatile uint8_t ombi; 533 int lim, chan; 534 535 ISP_LOCK(isp); 536 if (isp->isp_state < ISP_RUNSTATE) { 537 ISP_DISABLE_INTS(isp); 538 isp_init(isp); 539 if (isp->isp_state != ISP_INITSTATE) { 540 ISP_ENABLE_INTS(isp); 541 ISP_UNLOCK(isp); 542 isp_prt(isp, ISP_LOGERR, "isp not at init state"); 543 XS_SETERR(xs, HBA_BOTCH); 544 scsipi_done(xs); 545 return; 546 } 547 isp->isp_state = ISP_RUNSTATE; 548 ISP_ENABLE_INTS(isp); 549 } 550 chan = XS_CHANNEL(xs); 551 552 /* 553 * Handle the case of a FC card where the FC thread hasn't 554 * fired up yet and we don't yet have a known loop state. 555 */ 556 if (IS_FC(isp) && (FCPARAM(isp, chan)->isp_fwstate != FW_READY || 557 FCPARAM(isp, chan)->isp_loopstate != LOOP_READY) && 558 isp->isp_osinfo.thread == NULL) { 559 ombi = isp->isp_osinfo.mbox_sleep_ok != 0; 560 int delay_time; 561 562 if (xs->xs_control & XS_CTL_POLL) { 563 isp->isp_osinfo.mbox_sleep_ok = 0; 564 } 565 566 if (isp->isp_osinfo.loop_checked == 0) { 567 delay_time = 10 * 1000000; 568 isp->isp_osinfo.loop_checked = 1; 569 } else { 570 delay_time = 250000; 571 } 572 573 if (isp_fc_runstate(isp, XS_CHANNEL(xs), delay_time) != 0) { 574 if (xs->xs_control & XS_CTL_POLL) { 575 isp->isp_osinfo.mbox_sleep_ok = ombi; 576 } 577 if (FCPARAM(isp, XS_CHANNEL(xs))->loop_seen_once == 0) { 578 XS_SETERR(xs, HBA_SELTIMEOUT); 579 scsipi_done(xs); 580 ISP_UNLOCK(isp); 581 return; 582 } 583 /* 584 * Otherwise, fall thru to be queued up for later. 585 */ 586 } else { 587 int wasblocked = 588 (isp->isp_osinfo.blocked || isp->isp_osinfo.paused); 589 isp->isp_osinfo.blocked = isp->isp_osinfo.paused = 0; 590 if (wasblocked) { 591 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 592 "THAW QUEUES @ LINE %d", __LINE__); 593 scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 594 1); 595 } 596 } 597 if (xs->xs_control & XS_CTL_POLL) { 598 isp->isp_osinfo.mbox_sleep_ok = ombi; 599 } 600 } 601 602 if (isp->isp_osinfo.paused) { 603 isp_prt(isp, ISP_LOGWARN, "I/O while paused"); 604 xs->error = XS_RESOURCE_SHORTAGE; 605 scsipi_done(xs); 606 ISP_UNLOCK(isp); 607 return; 608 } 609 if (isp->isp_osinfo.blocked) { 610 isp_prt(isp, ISP_LOGWARN, 611 "I/O while blocked with retries %d", xs->xs_retries); 612 if (xs->xs_retries) { 613 xs->error = XS_REQUEUE; 614 xs->xs_retries--; 615 } else { 616 XS_SETERR(xs, HBA_SELTIMEOUT); 617 } 618 scsipi_done(xs); 619 ISP_UNLOCK(isp); 620 return; 621 } 622 623 if (xs->xs_control & XS_CTL_POLL) { 624 ombi = isp->isp_osinfo.mbox_sleep_ok; 625 isp->isp_osinfo.mbox_sleep_ok = 0; 626 } 627 628 switch (isp_start(xs)) { 629 case CMD_QUEUED: 630 if (IS_FC(isp) && isp->isp_osinfo.wwns[XS_TGT(xs)] == 0) { 631 fcparam *fcp = FCPARAM(isp, XS_CHANNEL(xs)); 632 int dbidx = fcp->isp_dev_map[XS_TGT(xs)] - 1; 633 device_t dev = xs->xs_periph->periph_dev; 634 635 if (dbidx >= 0 && dev && 636 prop_dictionary_set_uint64(device_properties(dev), 637 "port-wwn", fcp->portdb[dbidx].port_wwn) == TRUE) { 638 isp->isp_osinfo.wwns[XS_TGT(xs)] = 639 fcp->portdb[dbidx].port_wwn; 640 } 641 } 642 if (xs->xs_control & XS_CTL_POLL) { 643 isp_polled_cmd_wait(isp, xs); 644 isp->isp_osinfo.mbox_sleep_ok = ombi; 645 } else if (xs->timeout) { 646 callout_reset(&xs->xs_callout, _XT(xs), isp_dog, xs); 647 } 648 break; 649 case CMD_EAGAIN: 650 isp->isp_osinfo.paused = 1; 651 xs->error = XS_RESOURCE_SHORTAGE; 652 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 653 "FREEZE QUEUES @ LINE %d", __LINE__); 654 for (chan = 0; chan < isp->isp_nchan; chan++) { 655 scsipi_channel_freeze(&isp->isp_osinfo.chan[chan], 1); 656 } 657 scsipi_done(xs); 658 break; 659 case CMD_RQLATER: 660 /* 661 * We can only get RQLATER from FC devices (1 channel only) 662 * 663 * If we've never seen loop up see if if we've been down 664 * quickboot time, otherwise wait loop down limit time. 665 * If so, then we start giving up on commands. 666 */ 667 if (FCPARAM(isp, XS_CHANNEL(xs))->loop_seen_once == 0) { 668 lim = isp_quickboot_time; 669 } else { 670 lim = isp->isp_osinfo.loop_down_limit; 671 } 672 if (isp->isp_osinfo.loop_down_time >= lim) { 673 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 674 "RQLATER->SELTIMEOUT for %d (%d >= %d)", XS_TGT(xs), 675 isp->isp_osinfo.loop_down_time, lim); 676 XS_SETERR(xs, HBA_SELTIMEOUT); 677 scsipi_done(xs); 678 break; 679 } 680 if (isp->isp_osinfo.blocked == 0) { 681 isp->isp_osinfo.blocked = 1; 682 scsipi_channel_freeze(&isp->isp_osinfo.chan[chan], 1); 683 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 684 "FREEZE QUEUES @ LINE %d", __LINE__); 685 } else { 686 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 687 "RQLATER WITH FROZEN QUEUES @ LINE %d", __LINE__); 688 } 689 xs->error = XS_REQUEUE; 690 scsipi_done(xs); 691 break; 692 case CMD_COMPLETE: 693 scsipi_done(xs); 694 break; 695 } 696 ISP_UNLOCK(isp); 697 } 698 699 static void 700 isprequest(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 701 { 702 struct ispsoftc *isp = device_private(chan->chan_adapter->adapt_dev); 703 704 switch (req) { 705 case ADAPTER_REQ_RUN_XFER: 706 ispcmd(isp, (XS_T *) arg); 707 break; 708 709 case ADAPTER_REQ_GROW_RESOURCES: 710 /* Not supported. */ 711 break; 712 713 case ADAPTER_REQ_SET_XFER_MODE: 714 if (IS_SCSI(isp)) { 715 struct scsipi_xfer_mode *xm = arg; 716 int dflags = 0; 717 sdparam *sdp = SDPARAM(isp, chan->chan_channel); 718 719 if (xm->xm_mode & PERIPH_CAP_TQING) 720 dflags |= DPARM_TQING; 721 if (xm->xm_mode & PERIPH_CAP_WIDE16) 722 dflags |= DPARM_WIDE; 723 if (xm->xm_mode & PERIPH_CAP_SYNC) 724 dflags |= DPARM_SYNC; 725 ISP_LOCK(isp); 726 sdp->isp_devparam[xm->xm_target].goal_flags |= dflags; 727 dflags = sdp->isp_devparam[xm->xm_target].goal_flags; 728 sdp->isp_devparam[xm->xm_target].dev_update = 1; 729 sdp->update = 1; 730 ISP_UNLOCK(isp); 731 isp_prt(isp, ISP_LOGDEBUG1, 732 "isprequest: device flags %#x for %d.%d.X", 733 dflags, chan->chan_channel, xm->xm_target); 734 break; 735 } 736 default: 737 break; 738 } 739 } 740 741 static void 742 isp_polled_cmd_wait(struct ispsoftc *isp, XS_T *xs) 743 { 744 int infinite = 0, mswait; 745 746 /* 747 * If we can't use interrupts, poll on completion. 748 */ 749 if ((mswait = XS_TIME(xs)) == 0) { 750 infinite = 1; 751 } 752 753 while (mswait || infinite) { 754 uint32_t isr; 755 uint16_t sema, mbox; 756 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 757 isp_intr(isp, isr, sema, mbox); 758 if (XS_CMD_DONE_P(xs)) { 759 break; 760 } 761 } 762 ISP_DELAY(1000); 763 mswait -= 1; 764 } 765 766 /* 767 * If no other error occurred but we didn't finish 768 * something bad happened, so abort the command. 769 */ 770 if (XS_CMD_DONE_P(xs) == 0) { 771 if (isp_control(isp, ISPCTL_ABORT_CMD, xs)) { 772 isp_reinit(isp, 0); 773 } 774 if (XS_NOERR(xs)) { 775 isp_prt(isp, ISP_LOGERR, "polled command timed out"); 776 XS_SETERR(xs, HBA_BOTCH); 777 } 778 } 779 scsipi_done(xs); 780 } 781 782 void 783 isp_done(XS_T *xs) 784 { 785 if (XS_CMD_WDOG_P(xs) == 0) { 786 struct ispsoftc *isp = XS_ISP(xs); 787 callout_stop(&xs->xs_callout); 788 if (XS_CMD_GRACE_P(xs)) { 789 isp_prt(isp, ISP_LOGDEBUG1, 790 "finished command on borrowed time"); 791 } 792 XS_CMD_S_CLEAR(xs); 793 /* 794 * Fixup- if we get a QFULL, we need 795 * to set XS_BUSY as the error. 796 */ 797 if (xs->status == SCSI_QUEUE_FULL) { 798 xs->error = XS_BUSY; 799 } 800 if (isp->isp_osinfo.paused) { 801 int i; 802 isp->isp_osinfo.paused = 0; 803 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 804 "THAW QUEUES @ LINE %d", __LINE__); 805 for (i = 0; i < isp->isp_nchan; i++) { 806 scsipi_channel_timed_thaw(&isp->isp_osinfo.chan[i]); 807 } 808 } 809 if (xs->error == XS_DRIVER_STUFFUP) { 810 isp_prt(isp, ISP_LOGERR, 811 "BOTCHED cmd for %d.%d.%d cmd %#x datalen %ld", 812 XS_CHANNEL(xs), XS_TGT(xs), XS_LUN(xs), 813 XS_CDBP(xs)[0], (long) XS_XFRLEN(xs)); 814 } 815 scsipi_done(xs); 816 } 817 } 818 819 static void 820 isp_dog(void *arg) 821 { 822 XS_T *xs = arg; 823 struct ispsoftc *isp = XS_ISP(xs); 824 uint32_t handle; 825 int sok; 826 827 828 ISP_ILOCK(isp); 829 sok = isp->isp_osinfo.mbox_sleep_ok; 830 isp->isp_osinfo.mbox_sleep_ok = 0; 831 /* 832 * We've decided this command is dead. Make sure we're not trying 833 * to kill a command that's already dead by getting its handle and 834 * and seeing whether it's still alive. 835 */ 836 handle = isp_find_handle(isp, xs); 837 if (handle) { 838 uint32_t isr; 839 uint16_t mbox, sema; 840 841 if (XS_CMD_DONE_P(xs)) { 842 isp_prt(isp, ISP_LOGDEBUG1, 843 "watchdog found done cmd (handle %#x)", handle); 844 goto out; 845 } 846 847 if (XS_CMD_WDOG_P(xs)) { 848 isp_prt(isp, ISP_LOGDEBUG1, 849 "recursive watchdog (handle %#x)", handle); 850 goto out; 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 %#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 %#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 goto out; 893 XS_CMD_S_GRACE(xs); 894 ISP_MEMZERO((void *) mp, sizeof (*mp)); 895 mp->mrk_header.rqs_entry_count = 1; 896 mp->mrk_header.rqs_entry_type = RQSTYPE_MARKER; 897 mp->mrk_modifier = SYNC_ALL; 898 mp->mrk_target = XS_CHANNEL(xs) << 7; 899 isp_put_marker(isp, mp, qe); 900 ISP_SYNC_REQUEST(isp); 901 } 902 } else { 903 isp_prt(isp, ISP_LOGDEBUG0, "watchdog with no command"); 904 } 905 out: 906 isp->isp_osinfo.mbox_sleep_ok = sok; 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 ispsoftc_t *isp = arg; 1045 int slp = 0; 1046 int chan = 0; 1047 1048 int s = splbio(); 1049 /* 1050 * The first loop is for our usage where we have yet to have 1051 * gotten good fibre channel state. 1052 */ 1053 while (isp->isp_osinfo.thread != NULL) { 1054 int sok, lb, lim; 1055 1056 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "checking FC state"); 1057 sok = isp->isp_osinfo.mbox_sleep_ok; 1058 isp->isp_osinfo.mbox_sleep_ok = 1; 1059 lb = isp_fc_runstate(isp, chan, 250000); 1060 isp->isp_osinfo.mbox_sleep_ok = sok; 1061 if (lb) { 1062 /* 1063 * Increment loop down time by the last sleep interval 1064 */ 1065 isp->isp_osinfo.loop_down_time += slp; 1066 1067 if (lb < 0) { 1068 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1069 "FC loop not up (down count %d)", 1070 isp->isp_osinfo.loop_down_time); 1071 } else { 1072 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1073 "FC got to %d (down count %d)", 1074 lb, isp->isp_osinfo.loop_down_time); 1075 } 1076 1077 1078 /* 1079 * If we've never seen loop up and we've waited longer 1080 * than quickboot time, or we've seen loop up but we've 1081 * waited longer than loop_down_limit, give up and go 1082 * to sleep until loop comes up. 1083 */ 1084 if (FCPARAM(isp, 0)->loop_seen_once == 0) { 1085 lim = isp_quickboot_time; 1086 } else { 1087 lim = isp->isp_osinfo.loop_down_limit; 1088 } 1089 if (isp->isp_osinfo.loop_down_time >= lim) { 1090 /* 1091 * If we're now past our limit, release 1092 * the queues and let them come in and 1093 * either get HBA_SELTIMOUT or cause 1094 * another freeze. 1095 */ 1096 isp->isp_osinfo.blocked = 1; 1097 slp = 0; 1098 } else if (isp->isp_osinfo.loop_down_time < 10) { 1099 slp = 1; 1100 } else if (isp->isp_osinfo.loop_down_time < 30) { 1101 slp = 5; 1102 } else if (isp->isp_osinfo.loop_down_time < 60) { 1103 slp = 10; 1104 } else if (isp->isp_osinfo.loop_down_time < 120) { 1105 slp = 20; 1106 } else { 1107 slp = 30; 1108 } 1109 1110 } else { 1111 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1112 "FC state OK"); 1113 isp->isp_osinfo.loop_down_time = 0; 1114 slp = 0; 1115 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1116 "THAW QUEUES @ LINE %d", __LINE__); 1117 scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 1); 1118 } 1119 1120 /* 1121 * If we'd frozen the queues, unfreeze them now so that 1122 * we can start getting commands. If the FC state isn't 1123 * okay yet, they'll hit that in isp_start which will 1124 * freeze the queues again. 1125 */ 1126 if (isp->isp_osinfo.blocked) { 1127 isp->isp_osinfo.blocked = 0; 1128 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1129 "THAW QUEUES @ LINE %d", __LINE__); 1130 scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 1); 1131 } 1132 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "sleep time %d", slp); 1133 tsleep(&isp->isp_osinfo.thread, PRIBIO, "ispf", slp * hz); 1134 1135 /* 1136 * If slp is zero, we're waking up for the first time after 1137 * things have been okay. In this case, we set a deferral state 1138 * for all commands and delay hysteresis seconds before starting 1139 * the FC state evaluation. This gives the loop/fabric a chance 1140 * to settle. 1141 */ 1142 if (slp == 0 && isp_fabric_hysteresis) { 1143 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1144 "sleep hysteresis tick time %d", 1145 isp_fabric_hysteresis * hz); 1146 (void) tsleep(&isp_fabric_hysteresis, PRIBIO, "ispT", 1147 (isp_fabric_hysteresis * hz)); 1148 } 1149 } 1150 splx(s); 1151 1152 /* In case parent is waiting for us to exit. */ 1153 wakeup(&isp->isp_osinfo.thread); 1154 kthread_exit(0); 1155 } 1156 1157 /* 1158 * Free any associated resources prior to decommissioning and 1159 * set the card to a known state (so it doesn't wake up and kick 1160 * us when we aren't expecting it to). 1161 * 1162 * Locks are held before coming here. 1163 */ 1164 void 1165 isp_uninit(struct ispsoftc *isp) 1166 { 1167 isp_lock(isp); 1168 /* 1169 * Leave with interrupts disabled. 1170 */ 1171 ISP_DISABLE_INTS(isp); 1172 isp_unlock(isp); 1173 } 1174 1175 void 1176 isp_async(struct ispsoftc *isp, ispasync_t cmd, ...) 1177 { 1178 int bus, tgt; 1179 const char *msg = NULL; 1180 static const char prom[] = 1181 "PortID %#06x handle %#x role %s %s\n" 1182 " WWNN %#08x%08x WWPN %#08x%08x"; 1183 static const char prom2[] = 1184 "PortID %#06x handle %#x role %s %s tgt %u\n" 1185 " WWNN %#08x%08x WWPN %#08x%08x"; 1186 fcportdb_t *lp; 1187 va_list ap; 1188 1189 switch (cmd) { 1190 case ISPASYNC_NEW_TGT_PARAMS: 1191 if (IS_SCSI(isp)) { 1192 sdparam *sdp; 1193 int flags; 1194 struct scsipi_xfer_mode xm; 1195 1196 va_start(ap, cmd); 1197 bus = va_arg(ap, int); 1198 tgt = va_arg(ap, int); 1199 va_end(ap); 1200 sdp = SDPARAM(isp, bus); 1201 flags = sdp->isp_devparam[tgt].actv_flags; 1202 1203 xm.xm_mode = 0; 1204 xm.xm_period = sdp->isp_devparam[tgt].actv_period; 1205 xm.xm_offset = sdp->isp_devparam[tgt].actv_offset; 1206 xm.xm_target = tgt; 1207 1208 if ((flags & DPARM_SYNC) && xm.xm_period && xm.xm_offset) 1209 xm.xm_mode |= PERIPH_CAP_SYNC; 1210 if (flags & DPARM_WIDE) 1211 xm.xm_mode |= PERIPH_CAP_WIDE16; 1212 if (flags & DPARM_TQING) 1213 xm.xm_mode |= PERIPH_CAP_TQING; 1214 scsipi_async_event(&isp->isp_osinfo.chan[bus], 1215 ASYNC_EVENT_XFER_MODE, &xm); 1216 break; 1217 } 1218 /* FALLTHROUGH */ 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, "%s", 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, "%s", 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 %#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 (%#x) Timeout (%juus actual)", 1652 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 1653 isp->isp_lastmbxcmd, (intmax_t)(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 }
Cache object: 3dfcd0fd147debcd1cd2e4e9086a9b00
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