isp_netbsd.c revision 1.87.2.1
1 /* $NetBSD: isp_netbsd.c,v 1.87.2.1 2015/04/06 15:18:09 skrll 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 1.87.2.1 2015/04/06 15:18:09 skrll Exp $"); 37 38 #include <dev/ic/isp_netbsd.h> 39 #include <dev/ic/isp_ioctl.h> 40 #include <sys/scsiio.h> 41 42 #include <sys/timevar.h> 43 44 /* 45 * Set a timeout for the watchdogging of a command. 46 * 47 * The dimensional analysis is 48 * 49 * milliseconds * (seconds/millisecond) * (ticks/second) = ticks 50 * 51 * = 52 * 53 * (milliseconds / 1000) * hz = ticks 54 * 55 * 56 * For timeouts less than 1 second, we'll get zero. Because of this, and 57 * because we want to establish *our* timeout to be longer than what the 58 * firmware might do, we just add 3 seconds at the back end. 59 */ 60 #define _XT(xs) ((((xs)->timeout/1000) * hz) + (3 * hz)) 61 62 static void isp_config_interrupts(device_t); 63 static void ispminphys_1020(struct buf *); 64 static void ispminphys(struct buf *); 65 static void ispcmd(struct ispsoftc *, XS_T *); 66 static void isprequest(struct scsipi_channel *, scsipi_adapter_req_t, void *); 67 static int 68 ispioctl(struct scsipi_channel *, u_long, void *, int, struct proc *); 69 70 static void isp_polled_cmd_wait(struct ispsoftc *, XS_T *); 71 static void isp_dog(void *); 72 static void isp_gdt(void *); 73 static void isp_ldt(void *); 74 static void isp_make_here(ispsoftc_t *, int); 75 static void isp_make_gone(ispsoftc_t *, int); 76 static void isp_fc_worker(void *); 77 78 static const char *roles[4] = { 79 "(none)", "Target", "Initiator", "Target/Initiator" 80 }; 81 static const char prom3[] = 82 "PortID 0x%06x Departed from Target %u because of %s"; 83 int isp_change_is_bad = 0; /* "changed" devices are bad */ 84 int isp_quickboot_time = 15; /* don't wait more than N secs for loop up */ 85 static int isp_fabric_hysteresis = 5; 86 #define isp_change_is_bad 0 87 88 /* 89 * Complete attachment of hardware, include subdevices. 90 */ 91 92 void 93 isp_attach(struct ispsoftc *isp) 94 { 95 device_t self = isp->isp_osinfo.dev; 96 int i; 97 98 isp->isp_state = ISP_RUNSTATE; 99 100 isp->isp_osinfo.adapter.adapt_dev = self; 101 isp->isp_osinfo.adapter.adapt_openings = isp->isp_maxcmds; 102 isp->isp_osinfo.loop_down_limit = 300; 103 104 /* 105 * It's not stated whether max_periph is limited by SPI 106 * tag uage, but let's assume that it is. 107 */ 108 isp->isp_osinfo.adapter.adapt_max_periph = min(isp->isp_maxcmds, 255); 109 isp->isp_osinfo.adapter.adapt_ioctl = ispioctl; 110 isp->isp_osinfo.adapter.adapt_request = isprequest; 111 if (isp->isp_type <= ISP_HA_SCSI_1020A) { 112 isp->isp_osinfo.adapter.adapt_minphys = ispminphys_1020; 113 } else { 114 isp->isp_osinfo.adapter.adapt_minphys = ispminphys; 115 } 116 117 callout_init(&isp->isp_osinfo.gdt, 0); 118 callout_setfunc(&isp->isp_osinfo.gdt, isp_gdt, isp); 119 callout_init(&isp->isp_osinfo.ldt, 0); 120 callout_setfunc(&isp->isp_osinfo.ldt, isp_ldt, isp); 121 if (IS_FC(isp)) { 122 if (kthread_create(PRI_NONE, 0, NULL, isp_fc_worker, isp, 123 &isp->isp_osinfo.thread, "%s:fc_thrd", 124 device_xname(self))) { 125 isp_prt(isp, ISP_LOGERR, 126 "unable to create FC worker thread"); 127 return; 128 } 129 } 130 131 for (i = 0; i != isp->isp_osinfo.adapter.adapt_nchannels; i++) { 132 isp->isp_osinfo.chan[i].chan_adapter = 133 &isp->isp_osinfo.adapter; 134 isp->isp_osinfo.chan[i].chan_bustype = &scsi_bustype; 135 isp->isp_osinfo.chan[i].chan_channel = i; 136 /* 137 * Until the midlayer is fixed to use REPORT LUNS, 138 * limit to 8 luns. 139 */ 140 isp->isp_osinfo.chan[i].chan_nluns = min(isp->isp_maxluns, 8); 141 if (IS_FC(isp)) { 142 isp->isp_osinfo.chan[i].chan_ntargets = MAX_FC_TARG; 143 if (ISP_CAP_2KLOGIN(isp) == 0 && MAX_FC_TARG > 256) { 144 isp->isp_osinfo.chan[i].chan_ntargets = 256; 145 } 146 isp->isp_osinfo.chan[i].chan_id = MAX_FC_TARG; 147 } else { 148 isp->isp_osinfo.chan[i].chan_ntargets = MAX_TARGETS; 149 isp->isp_osinfo.chan[i].chan_id = 150 SDPARAM(isp, i)->isp_initiator_id; 151 ISP_LOCK(isp); 152 (void) isp_control(isp, ISPCTL_RESET_BUS, i); 153 ISP_UNLOCK(isp); 154 } 155 } 156 157 /* 158 * Defer enabling mailbox interrupts until later. 159 */ 160 config_interrupts(self, isp_config_interrupts); 161 } 162 163 static void 164 isp_config_interrupts(device_t self) 165 { 166 int i; 167 struct ispsoftc *isp = device_private(self); 168 169 isp->isp_osinfo.mbox_sleep_ok = 1; 170 171 if (IS_FC(isp) && (FCPARAM(isp, 0)->isp_fwstate != FW_READY || 172 FCPARAM(isp, 0)->isp_loopstate != LOOP_READY)) { 173 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 174 "Starting Initial Loop Down Timer"); 175 callout_schedule(&isp->isp_osinfo.ldt, isp_quickboot_time * hz); 176 } 177 178 /* 179 * And attach children (if any). 180 */ 181 for (i = 0; i < isp->isp_osinfo.adapter.adapt_nchannels; i++) { 182 config_found(self, &isp->isp_osinfo.chan[i], scsiprint); 183 } 184 } 185 186 /* 187 * minphys our xfers 188 */ 189 static void 190 ispminphys_1020(struct buf *bp) 191 { 192 if (bp->b_bcount >= (1 << 24)) { 193 bp->b_bcount = (1 << 24); 194 } 195 minphys(bp); 196 } 197 198 static void 199 ispminphys(struct buf *bp) 200 { 201 if (bp->b_bcount >= (1 << 30)) { 202 bp->b_bcount = (1 << 30); 203 } 204 minphys(bp); 205 } 206 207 static int 208 ispioctl(struct scsipi_channel *chan, u_long cmd, void *addr, int flag, 209 struct proc *p) 210 { 211 struct ispsoftc *isp = device_private(chan->chan_adapter->adapt_dev); 212 int nr, bus, retval = ENOTTY; 213 214 switch (cmd) { 215 case ISP_SDBLEV: 216 { 217 int olddblev = isp->isp_dblev; 218 isp->isp_dblev = *(int *)addr; 219 *(int *)addr = olddblev; 220 retval = 0; 221 break; 222 } 223 case ISP_GETROLE: 224 bus = *(int *)addr; 225 if (bus < 0 || bus >= isp->isp_nchan) { 226 retval = -ENXIO; 227 break; 228 } 229 if (IS_FC(isp)) { 230 *(int *)addr = FCPARAM(isp, bus)->role; 231 } else { 232 *(int *)addr = SDPARAM(isp, bus)->role; 233 } 234 retval = 0; 235 break; 236 case ISP_SETROLE: 237 238 nr = *(int *)addr; 239 bus = nr >> 8; 240 if (bus < 0 || bus >= isp->isp_nchan) { 241 retval = -ENXIO; 242 break; 243 } 244 nr &= 0xff; 245 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 246 retval = EINVAL; 247 break; 248 } 249 if (IS_FC(isp)) { 250 *(int *)addr = FCPARAM(isp, bus)->role; 251 FCPARAM(isp, bus)->role = nr; 252 } else { 253 *(int *)addr = SDPARAM(isp, bus)->role; 254 SDPARAM(isp, bus)->role = nr; 255 } 256 retval = 0; 257 break; 258 259 case ISP_RESETHBA: 260 ISP_LOCK(isp); 261 isp_reinit(isp, 0); 262 ISP_UNLOCK(isp); 263 retval = 0; 264 break; 265 266 case ISP_RESCAN: 267 if (IS_FC(isp)) { 268 bus = *(int *)addr; 269 if (bus < 0 || bus >= isp->isp_nchan) { 270 retval = -ENXIO; 271 break; 272 } 273 ISP_LOCK(isp); 274 if (isp_fc_runstate(isp, bus, 5 * 1000000)) { 275 retval = EIO; 276 } else { 277 retval = 0; 278 } 279 ISP_UNLOCK(isp); 280 } 281 break; 282 283 case ISP_FC_LIP: 284 if (IS_FC(isp)) { 285 bus = *(int *)addr; 286 if (bus < 0 || bus >= isp->isp_nchan) { 287 retval = -ENXIO; 288 break; 289 } 290 ISP_LOCK(isp); 291 if (isp_control(isp, ISPCTL_SEND_LIP, bus)) { 292 retval = EIO; 293 } else { 294 retval = 0; 295 } 296 ISP_UNLOCK(isp); 297 } 298 break; 299 case ISP_FC_GETDINFO: 300 { 301 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 302 fcportdb_t *lp; 303 304 if (IS_SCSI(isp)) { 305 break; 306 } 307 if (ifc->loopid >= MAX_FC_TARG) { 308 retval = EINVAL; 309 break; 310 } 311 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 312 if (lp->state == FC_PORTDB_STATE_VALID) { 313 ifc->role = lp->roles; 314 ifc->loopid = lp->handle; 315 ifc->portid = lp->portid; 316 ifc->node_wwn = lp->node_wwn; 317 ifc->port_wwn = lp->port_wwn; 318 retval = 0; 319 } else { 320 retval = ENODEV; 321 } 322 break; 323 } 324 case ISP_GET_STATS: 325 { 326 isp_stats_t *sp = (isp_stats_t *) addr; 327 328 ISP_MEMZERO(sp, sizeof (*sp)); 329 sp->isp_stat_version = ISP_STATS_VERSION; 330 sp->isp_type = isp->isp_type; 331 sp->isp_revision = isp->isp_revision; 332 ISP_LOCK(isp); 333 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 334 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 335 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 336 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 337 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 338 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 339 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 340 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 341 ISP_UNLOCK(isp); 342 retval = 0; 343 break; 344 } 345 case ISP_CLR_STATS: 346 ISP_LOCK(isp); 347 isp->isp_intcnt = 0; 348 isp->isp_intbogus = 0; 349 isp->isp_intmboxc = 0; 350 isp->isp_intoasync = 0; 351 isp->isp_rsltccmplt = 0; 352 isp->isp_fphccmplt = 0; 353 isp->isp_rscchiwater = 0; 354 isp->isp_fpcchiwater = 0; 355 ISP_UNLOCK(isp); 356 retval = 0; 357 break; 358 case ISP_FC_GETHINFO: 359 { 360 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 361 bus = hba->fc_channel; 362 363 if (bus < 0 || bus >= isp->isp_nchan) { 364 retval = ENXIO; 365 break; 366 } 367 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 368 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 369 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 370 hba->fc_nchannels = isp->isp_nchan; 371 hba->fc_nports = isp->isp_nchan;/* XXXX 24XX STUFF? XXX */ 372 if (IS_FC(isp)) { 373 hba->fc_speed = FCPARAM(isp, bus)->isp_gbspeed; 374 hba->fc_topology = FCPARAM(isp, bus)->isp_topo + 1; 375 hba->fc_loopid = FCPARAM(isp, bus)->isp_loopid; 376 hba->nvram_node_wwn = FCPARAM(isp, bus)->isp_wwnn_nvram; 377 hba->nvram_port_wwn = FCPARAM(isp, bus)->isp_wwpn_nvram; 378 hba->active_node_wwn = FCPARAM(isp, bus)->isp_wwnn; 379 hba->active_port_wwn = FCPARAM(isp, bus)->isp_wwpn; 380 } else { 381 hba->fc_speed = 0; 382 hba->fc_topology = 0; 383 hba->nvram_node_wwn = 0ull; 384 hba->nvram_port_wwn = 0ull; 385 hba->active_node_wwn = 0ull; 386 hba->active_port_wwn = 0ull; 387 } 388 retval = 0; 389 break; 390 } 391 case ISP_TSK_MGMT: 392 { 393 int needmarker; 394 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 395 uint16_t loopid; 396 mbreg_t mbs; 397 398 if (IS_SCSI(isp)) { 399 break; 400 } 401 402 bus = fct->chan; 403 if (bus < 0 || bus >= isp->isp_nchan) { 404 retval = -ENXIO; 405 break; 406 } 407 408 memset(&mbs, 0, sizeof (mbs)); 409 needmarker = retval = 0; 410 loopid = fct->loopid; 411 if (ISP_CAP_2KLOGIN(isp) == 0) { 412 loopid <<= 8; 413 } 414 switch (fct->action) { 415 case IPT_CLEAR_ACA: 416 mbs.param[0] = MBOX_CLEAR_ACA; 417 mbs.param[1] = loopid; 418 mbs.param[2] = fct->lun; 419 break; 420 case IPT_TARGET_RESET: 421 mbs.param[0] = MBOX_TARGET_RESET; 422 mbs.param[1] = loopid; 423 needmarker = 1; 424 break; 425 case IPT_LUN_RESET: 426 mbs.param[0] = MBOX_LUN_RESET; 427 mbs.param[1] = loopid; 428 mbs.param[2] = fct->lun; 429 needmarker = 1; 430 break; 431 case IPT_CLEAR_TASK_SET: 432 mbs.param[0] = MBOX_CLEAR_TASK_SET; 433 mbs.param[1] = loopid; 434 mbs.param[2] = fct->lun; 435 needmarker = 1; 436 break; 437 case IPT_ABORT_TASK_SET: 438 mbs.param[0] = MBOX_ABORT_TASK_SET; 439 mbs.param[1] = loopid; 440 mbs.param[2] = fct->lun; 441 needmarker = 1; 442 break; 443 default: 444 retval = EINVAL; 445 break; 446 } 447 if (retval == 0) { 448 if (needmarker) { 449 FCPARAM(isp, bus)->sendmarker = 1; 450 } 451 ISP_LOCK(isp); 452 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 453 ISP_UNLOCK(isp); 454 if (retval) { 455 retval = EIO; 456 } 457 } 458 break; 459 } 460 case ISP_FC_GETDLIST: 461 { 462 isp_dlist_t local, *ua; 463 uint16_t nph, nphe, count, channel, lim; 464 struct wwnpair pair, *uptr; 465 466 if (IS_SCSI(isp)) { 467 retval = EINVAL; 468 break; 469 } 470 471 ua = *(isp_dlist_t **)addr; 472 if (copyin(ua, &local, sizeof (isp_dlist_t))) { 473 retval = EFAULT; 474 break; 475 } 476 lim = local.count; 477 channel = local.channel; 478 479 ua = *(isp_dlist_t **)addr; 480 uptr = &ua->wwns[0]; 481 482 if (ISP_CAP_2KLOGIN(isp)) { 483 nphe = NPH_MAX_2K; 484 } else { 485 nphe = NPH_MAX; 486 } 487 for (count = 0, nph = 0; count < lim && nph != nphe; nph++) { 488 ISP_LOCK(isp); 489 retval = isp_control(isp, ISPCTL_GET_NAMES, channel, 490 nph, &pair.wwnn, &pair.wwpn); 491 ISP_UNLOCK(isp); 492 if (retval || (pair.wwpn == INI_NONE && 493 pair.wwnn == INI_NONE)) { 494 retval = 0; 495 continue; 496 } 497 if (copyout(&pair, (void *)uptr++, sizeof (pair))) { 498 retval = EFAULT; 499 break; 500 } 501 count++; 502 } 503 if (retval == 0) { 504 if (copyout(&count, (void *)&ua->count, 505 sizeof (count))) { 506 retval = EFAULT; 507 } 508 } 509 break; 510 } 511 case SCBUSIORESET: 512 ISP_LOCK(isp); 513 if (isp_control(isp, ISPCTL_RESET_BUS, &chan->chan_channel)) { 514 retval = EIO; 515 } else { 516 retval = 0; 517 } 518 ISP_UNLOCK(isp); 519 break; 520 default: 521 break; 522 } 523 return (retval); 524 } 525 526 static void 527 ispcmd(struct ispsoftc *isp, XS_T *xs) 528 { 529 volatile uint8_t ombi; 530 int lim, chan; 531 532 ISP_LOCK(isp); 533 if (isp->isp_state < ISP_RUNSTATE) { 534 ISP_DISABLE_INTS(isp); 535 isp_init(isp); 536 if (isp->isp_state != ISP_INITSTATE) { 537 ISP_ENABLE_INTS(isp); 538 ISP_UNLOCK(isp); 539 isp_prt(isp, ISP_LOGERR, "isp not at init state"); 540 XS_SETERR(xs, HBA_BOTCH); 541 scsipi_done(xs); 542 return; 543 } 544 isp->isp_state = ISP_RUNSTATE; 545 ISP_ENABLE_INTS(isp); 546 } 547 chan = XS_CHANNEL(xs); 548 549 /* 550 * Handle the case of a FC card where the FC thread hasn't 551 * fired up yet and we don't yet have a known loop state. 552 */ 553 if (IS_FC(isp) && (FCPARAM(isp, chan)->isp_fwstate != FW_READY || 554 FCPARAM(isp, chan)->isp_loopstate != LOOP_READY) && 555 isp->isp_osinfo.thread == NULL) { 556 ombi = isp->isp_osinfo.mbox_sleep_ok != 0; 557 int delay_time; 558 559 if (xs->xs_control & XS_CTL_POLL) { 560 isp->isp_osinfo.mbox_sleep_ok = 0; 561 } 562 563 if (isp->isp_osinfo.loop_checked == 0) { 564 delay_time = 10 * 1000000; 565 isp->isp_osinfo.loop_checked = 1; 566 } else { 567 delay_time = 250000; 568 } 569 570 if (isp_fc_runstate(isp, XS_CHANNEL(xs), delay_time) != 0) { 571 if (xs->xs_control & XS_CTL_POLL) { 572 isp->isp_osinfo.mbox_sleep_ok = ombi; 573 } 574 if (FCPARAM(isp, XS_CHANNEL(xs))->loop_seen_once == 0) { 575 XS_SETERR(xs, HBA_SELTIMEOUT); 576 scsipi_done(xs); 577 ISP_UNLOCK(isp); 578 return; 579 } 580 /* 581 * Otherwise, fall thru to be queued up for later. 582 */ 583 } else { 584 int wasblocked = 585 (isp->isp_osinfo.blocked || isp->isp_osinfo.paused); 586 isp->isp_osinfo.blocked = isp->isp_osinfo.paused = 0; 587 if (wasblocked) { 588 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 589 "THAW QUEUES @ LINE %d", __LINE__); 590 scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 591 1); 592 } 593 } 594 if (xs->xs_control & XS_CTL_POLL) { 595 isp->isp_osinfo.mbox_sleep_ok = ombi; 596 } 597 } 598 599 if (isp->isp_osinfo.paused) { 600 isp_prt(isp, ISP_LOGWARN, "I/O while paused"); 601 xs->error = XS_RESOURCE_SHORTAGE; 602 scsipi_done(xs); 603 ISP_UNLOCK(isp); 604 return; 605 } 606 if (isp->isp_osinfo.blocked) { 607 isp_prt(isp, ISP_LOGWARN, 608 "I/O while blocked with retries %d", xs, xs->xs_retries); 609 if (xs->xs_retries) { 610 xs->error = XS_REQUEUE; 611 xs->xs_retries--; 612 } else { 613 XS_SETERR(xs, HBA_SELTIMEOUT); 614 } 615 scsipi_done(xs); 616 ISP_UNLOCK(isp); 617 return; 618 } 619 620 if (xs->xs_control & XS_CTL_POLL) { 621 ombi = isp->isp_osinfo.mbox_sleep_ok; 622 isp->isp_osinfo.mbox_sleep_ok = 0; 623 } 624 625 switch (isp_start(xs)) { 626 case CMD_QUEUED: 627 if (IS_FC(isp) && isp->isp_osinfo.wwns[XS_TGT(xs)] == 0) { 628 fcparam *fcp = FCPARAM(isp, XS_CHANNEL(xs)); 629 int dbidx = fcp->isp_dev_map[XS_TGT(xs)] - 1; 630 device_t dev = xs->xs_periph->periph_dev; 631 632 if (dbidx >= 0 && dev && 633 prop_dictionary_set_uint64(device_properties(dev), 634 "port-wwn", fcp->portdb[dbidx].port_wwn) == TRUE) { 635 isp->isp_osinfo.wwns[XS_TGT(xs)] = 636 fcp->portdb[dbidx].port_wwn; 637 } 638 } 639 if (xs->xs_control & XS_CTL_POLL) { 640 isp_polled_cmd_wait(isp, xs); 641 isp->isp_osinfo.mbox_sleep_ok = ombi; 642 } else if (xs->timeout) { 643 callout_reset(&xs->xs_callout, _XT(xs), isp_dog, xs); 644 } 645 break; 646 case CMD_EAGAIN: 647 isp->isp_osinfo.paused = 1; 648 xs->error = XS_RESOURCE_SHORTAGE; 649 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 650 "FREEZE QUEUES @ LINE %d", __LINE__); 651 for (chan = 0; chan < isp->isp_nchan; chan++) { 652 scsipi_channel_freeze(&isp->isp_osinfo.chan[chan], 1); 653 } 654 scsipi_done(xs); 655 break; 656 case CMD_RQLATER: 657 /* 658 * We can only get RQLATER from FC devices (1 channel only) 659 * 660 * If we've never seen loop up see if if we've been down 661 * quickboot time, otherwise wait loop down limit time. 662 * If so, then we start giving up on commands. 663 */ 664 if (FCPARAM(isp, XS_CHANNEL(xs))->loop_seen_once == 0) { 665 lim = isp_quickboot_time; 666 } else { 667 lim = isp->isp_osinfo.loop_down_limit; 668 } 669 if (isp->isp_osinfo.loop_down_time >= lim) { 670 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 671 "RQLATER->SELTIMEOUT for %d (%d >= %d)", XS_TGT(xs), 672 isp->isp_osinfo.loop_down_time, lim); 673 XS_SETERR(xs, HBA_SELTIMEOUT); 674 scsipi_done(xs); 675 break; 676 } 677 if (isp->isp_osinfo.blocked == 0) { 678 isp->isp_osinfo.blocked = 1; 679 scsipi_channel_freeze(&isp->isp_osinfo.chan[chan], 1); 680 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 681 "FREEZE QUEUES @ LINE %d", __LINE__); 682 } else { 683 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 684 "RQLATER WITH FROZEN QUEUES @ LINE %d", __LINE__); 685 } 686 xs->error = XS_REQUEUE; 687 scsipi_done(xs); 688 break; 689 case CMD_COMPLETE: 690 scsipi_done(xs); 691 break; 692 } 693 ISP_UNLOCK(isp); 694 } 695 696 static void 697 isprequest(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 698 { 699 struct ispsoftc *isp = device_private(chan->chan_adapter->adapt_dev); 700 701 switch (req) { 702 case ADAPTER_REQ_RUN_XFER: 703 ispcmd(isp, (XS_T *) arg); 704 break; 705 706 case ADAPTER_REQ_GROW_RESOURCES: 707 /* Not supported. */ 708 break; 709 710 case ADAPTER_REQ_SET_XFER_MODE: 711 if (IS_SCSI(isp)) { 712 struct scsipi_xfer_mode *xm = arg; 713 int dflags = 0; 714 sdparam *sdp = SDPARAM(isp, chan->chan_channel); 715 716 if (xm->xm_mode & PERIPH_CAP_TQING) 717 dflags |= DPARM_TQING; 718 if (xm->xm_mode & PERIPH_CAP_WIDE16) 719 dflags |= DPARM_WIDE; 720 if (xm->xm_mode & PERIPH_CAP_SYNC) 721 dflags |= DPARM_SYNC; 722 ISP_LOCK(isp); 723 sdp->isp_devparam[xm->xm_target].goal_flags |= dflags; 724 dflags = sdp->isp_devparam[xm->xm_target].goal_flags; 725 sdp->isp_devparam[xm->xm_target].dev_update = 1; 726 sdp->update = 1; 727 ISP_UNLOCK(isp); 728 isp_prt(isp, ISP_LOGDEBUG1, 729 "isprequest: device flags 0x%x for %d.%d.X", 730 dflags, chan->chan_channel, xm->xm_target); 731 break; 732 } 733 default: 734 break; 735 } 736 } 737 738 static void 739 isp_polled_cmd_wait(struct ispsoftc *isp, XS_T *xs) 740 { 741 int infinite = 0, mswait; 742 743 /* 744 * If we can't use interrupts, poll on completion. 745 */ 746 if ((mswait = XS_TIME(xs)) == 0) { 747 infinite = 1; 748 } 749 750 while (mswait || infinite) { 751 uint32_t isr; 752 uint16_t sema, mbox; 753 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 754 isp_intr(isp, isr, sema, mbox); 755 if (XS_CMD_DONE_P(xs)) { 756 break; 757 } 758 } 759 ISP_DELAY(1000); 760 mswait -= 1; 761 } 762 763 /* 764 * If no other error occurred but we didn't finish 765 * something bad happened, so abort the command. 766 */ 767 if (XS_CMD_DONE_P(xs) == 0) { 768 if (isp_control(isp, ISPCTL_ABORT_CMD, xs)) { 769 isp_reinit(isp, 0); 770 } 771 if (XS_NOERR(xs)) { 772 isp_prt(isp, ISP_LOGERR, "polled command timed out"); 773 XS_SETERR(xs, HBA_BOTCH); 774 } 775 } 776 scsipi_done(xs); 777 } 778 779 void 780 isp_done(XS_T *xs) 781 { 782 if (XS_CMD_WDOG_P(xs) == 0) { 783 struct ispsoftc *isp = XS_ISP(xs); 784 callout_stop(&xs->xs_callout); 785 if (XS_CMD_GRACE_P(xs)) { 786 isp_prt(isp, ISP_LOGDEBUG1, 787 "finished command on borrowed time"); 788 } 789 XS_CMD_S_CLEAR(xs); 790 /* 791 * Fixup- if we get a QFULL, we need 792 * to set XS_BUSY as the error. 793 */ 794 if (xs->status == SCSI_QUEUE_FULL) { 795 xs->error = XS_BUSY; 796 } 797 if (isp->isp_osinfo.paused) { 798 int i; 799 isp->isp_osinfo.paused = 0; 800 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 801 "THAW QUEUES @ LINE %d", __LINE__); 802 for (i = 0; i < isp->isp_nchan; i++) { 803 scsipi_channel_timed_thaw(&isp->isp_osinfo.chan[i]); 804 } 805 } 806 if (xs->error == XS_DRIVER_STUFFUP) { 807 isp_prt(isp, ISP_LOGERR, 808 "BOTCHED cmd for %d.%d.%d cmd 0x%x datalen %ld", 809 XS_CHANNEL(xs), XS_TGT(xs), XS_LUN(xs), 810 XS_CDBP(xs)[0], (long) XS_XFRLEN(xs)); 811 } 812 scsipi_done(xs); 813 } 814 } 815 816 static void 817 isp_dog(void *arg) 818 { 819 XS_T *xs = arg; 820 struct ispsoftc *isp = XS_ISP(xs); 821 uint32_t handle; 822 int sok; 823 824 825 ISP_ILOCK(isp); 826 sok = isp->isp_osinfo.mbox_sleep_ok; 827 isp->isp_osinfo.mbox_sleep_ok = 0; 828 /* 829 * We've decided this command is dead. Make sure we're not trying 830 * to kill a command that's already dead by getting its handle and 831 * and seeing whether it's still alive. 832 */ 833 handle = isp_find_handle(isp, xs); 834 if (handle) { 835 uint32_t isr; 836 uint16_t mbox, sema; 837 838 if (XS_CMD_DONE_P(xs)) { 839 isp_prt(isp, ISP_LOGDEBUG1, 840 "watchdog found done cmd (handle 0x%x)", handle); 841 goto out; 842 } 843 844 if (XS_CMD_WDOG_P(xs)) { 845 isp_prt(isp, ISP_LOGDEBUG1, 846 "recursive watchdog (handle 0x%x)", handle); 847 goto out; 848 } 849 850 XS_CMD_S_WDOG(xs); 851 852 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 853 isp_intr(isp, isr, sema, mbox); 854 855 } 856 if (XS_CMD_DONE_P(xs)) { 857 isp_prt(isp, ISP_LOGDEBUG1, 858 "watchdog cleanup for handle 0x%x", handle); 859 XS_CMD_C_WDOG(xs); 860 isp_done(xs); 861 } else if (XS_CMD_GRACE_P(xs)) { 862 isp_prt(isp, ISP_LOGDEBUG1, 863 "watchdog timeout for handle 0x%x", handle); 864 /* 865 * Make sure the command is *really* dead before we 866 * release the handle (and DMA resources) for reuse. 867 */ 868 (void) isp_control(isp, ISPCTL_ABORT_CMD, arg); 869 870 /* 871 * After this point, the command is really dead. 872 */ 873 if (XS_XFRLEN(xs)) { 874 ISP_DMAFREE(isp, xs, handle); 875 } 876 isp_destroy_handle(isp, handle); 877 XS_SETERR(xs, XS_TIMEOUT); 878 XS_CMD_S_CLEAR(xs); 879 isp_done(xs); 880 } else { 881 void *qe; 882 isp_marker_t local, *mp = &local; 883 isp_prt(isp, ISP_LOGDEBUG2, 884 "possible command timeout on handle %x", handle); 885 XS_CMD_C_WDOG(xs); 886 callout_reset(&xs->xs_callout, hz, isp_dog, xs); 887 qe = isp_getrqentry(isp); 888 if (qe == NULL) 889 goto out; 890 XS_CMD_S_GRACE(xs); 891 ISP_MEMZERO((void *) mp, sizeof (*mp)); 892 mp->mrk_header.rqs_entry_count = 1; 893 mp->mrk_header.rqs_entry_type = RQSTYPE_MARKER; 894 mp->mrk_modifier = SYNC_ALL; 895 mp->mrk_target = XS_CHANNEL(xs) << 7; 896 isp_put_marker(isp, mp, qe); 897 ISP_SYNC_REQUEST(isp); 898 } 899 } else { 900 isp_prt(isp, ISP_LOGDEBUG0, "watchdog with no command"); 901 } 902 out: 903 isp->isp_osinfo.mbox_sleep_ok = sok; 904 ISP_IUNLOCK(isp); 905 } 906 907 /* 908 * Gone Device Timer Function- when we have decided that a device has gone 909 * away, we wait a specific period of time prior to telling the OS it has 910 * gone away. 911 * 912 * This timer function fires once a second and then scans the port database 913 * for devices that are marked dead but still have a virtual target assigned. 914 * We decrement a counter for that port database entry, and when it hits zero, 915 * we tell the OS the device has gone away. 916 */ 917 static void 918 isp_gdt(void *arg) 919 { 920 ispsoftc_t *isp = arg; 921 fcportdb_t *lp; 922 int dbidx, tgt, more_to_do = 0; 923 924 isp_prt(isp, ISP_LOGDEBUG0, "GDT timer expired"); 925 ISP_LOCK(isp); 926 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 927 lp = &FCPARAM(isp, 0)->portdb[dbidx]; 928 929 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 930 continue; 931 } 932 if (lp->dev_map_idx == 0) { 933 continue; 934 } 935 if (lp->new_reserved == 0) { 936 continue; 937 } 938 lp->new_reserved -= 1; 939 if (lp->new_reserved != 0) { 940 more_to_do++; 941 continue; 942 } 943 tgt = lp->dev_map_idx - 1; 944 FCPARAM(isp, 0)->isp_dev_map[tgt] = 0; 945 lp->dev_map_idx = 0; 946 lp->state = FC_PORTDB_STATE_NIL; 947 isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt, 948 "Gone Device Timeout"); 949 isp_make_gone(isp, tgt); 950 } 951 if (more_to_do) { 952 callout_schedule(&isp->isp_osinfo.gdt, hz); 953 } else { 954 isp->isp_osinfo.gdt_running = 0; 955 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 956 "stopping Gone Device Timer"); 957 } 958 ISP_UNLOCK(isp); 959 } 960 961 /* 962 * Loop Down Timer Function- when loop goes down, a timer is started and 963 * and after it expires we come here and take all probational devices that 964 * the OS knows about and the tell the OS that they've gone away. 965 * 966 * We don't clear the devices out of our port database because, when loop 967 * come back up, we have to do some actual cleanup with the chip at that 968 * point (implicit PLOGO, e.g., to get the chip's port database state right). 969 */ 970 static void 971 isp_ldt(void *arg) 972 { 973 ispsoftc_t *isp = arg; 974 fcportdb_t *lp; 975 int dbidx, tgt; 976 977 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Loop Down Timer expired"); 978 ISP_LOCK(isp); 979 980 /* 981 * Notify to the OS all targets who we now consider have departed. 982 */ 983 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 984 lp = &FCPARAM(isp, 0)->portdb[dbidx]; 985 986 if (lp->state != FC_PORTDB_STATE_PROBATIONAL) { 987 continue; 988 } 989 if (lp->dev_map_idx == 0) { 990 continue; 991 } 992 993 /* 994 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 995 */ 996 997 /* 998 * Mark that we've announced that this device is gone.... 999 */ 1000 lp->reserved = 1; 1001 1002 /* 1003 * but *don't* change the state of the entry. Just clear 1004 * any target id stuff and announce to CAM that the 1005 * device is gone. This way any necessary PLOGO stuff 1006 * will happen when loop comes back up. 1007 */ 1008 1009 tgt = lp->dev_map_idx - 1; 1010 FCPARAM(isp, 0)->isp_dev_map[tgt] = 0; 1011 lp->dev_map_idx = 0; 1012 isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt, 1013 "Loop Down Timeout"); 1014 isp_make_gone(isp, tgt); 1015 } 1016 1017 /* 1018 * The loop down timer has expired. Wake up the kthread 1019 * to notice that fact (or make it false). 1020 */ 1021 isp->isp_osinfo.loop_down_time = isp->isp_osinfo.loop_down_limit+1; 1022 wakeup(&isp->isp_osinfo.thread); 1023 ISP_UNLOCK(isp); 1024 } 1025 1026 static void 1027 isp_make_here(ispsoftc_t *isp, int tgt) 1028 { 1029 isp_prt(isp, ISP_LOGINFO, "target %d has arrived", tgt); 1030 } 1031 1032 static void 1033 isp_make_gone(ispsoftc_t *isp, int tgt) 1034 { 1035 isp_prt(isp, ISP_LOGINFO, "target %d has departed", tgt); 1036 } 1037 1038 static void 1039 isp_fc_worker(void *arg) 1040 { 1041 void scsipi_run_queue(struct scsipi_channel *); 1042 ispsoftc_t *isp = arg; 1043 int slp = 0; 1044 int chan = 0; 1045 1046 int s = splbio(); 1047 /* 1048 * The first loop is for our usage where we have yet to have 1049 * gotten good fibre channel state. 1050 */ 1051 while (isp->isp_osinfo.thread != NULL) { 1052 int sok, lb, lim; 1053 1054 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "checking FC state"); 1055 sok = isp->isp_osinfo.mbox_sleep_ok; 1056 isp->isp_osinfo.mbox_sleep_ok = 1; 1057 lb = isp_fc_runstate(isp, chan, 250000); 1058 isp->isp_osinfo.mbox_sleep_ok = sok; 1059 if (lb) { 1060 /* 1061 * Increment loop down time by the last sleep interval 1062 */ 1063 isp->isp_osinfo.loop_down_time += slp; 1064 1065 if (lb < 0) { 1066 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1067 "FC loop not up (down count %d)", 1068 isp->isp_osinfo.loop_down_time); 1069 } else { 1070 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1071 "FC got to %d (down count %d)", 1072 lb, isp->isp_osinfo.loop_down_time); 1073 } 1074 1075 1076 /* 1077 * If we've never seen loop up and we've waited longer 1078 * than quickboot time, or we've seen loop up but we've 1079 * waited longer than loop_down_limit, give up and go 1080 * to sleep until loop comes up. 1081 */ 1082 if (FCPARAM(isp, 0)->loop_seen_once == 0) { 1083 lim = isp_quickboot_time; 1084 } else { 1085 lim = isp->isp_osinfo.loop_down_limit; 1086 } 1087 if (isp->isp_osinfo.loop_down_time >= lim) { 1088 /* 1089 * If we're now past our limit, release 1090 * the queues and let them come in and 1091 * either get HBA_SELTIMOUT or cause 1092 * another freeze. 1093 */ 1094 isp->isp_osinfo.blocked = 1; 1095 slp = 0; 1096 } else if (isp->isp_osinfo.loop_down_time < 10) { 1097 slp = 1; 1098 } else if (isp->isp_osinfo.loop_down_time < 30) { 1099 slp = 5; 1100 } else if (isp->isp_osinfo.loop_down_time < 60) { 1101 slp = 10; 1102 } else if (isp->isp_osinfo.loop_down_time < 120) { 1103 slp = 20; 1104 } else { 1105 slp = 30; 1106 } 1107 1108 } else { 1109 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1110 "FC state OK"); 1111 isp->isp_osinfo.loop_down_time = 0; 1112 slp = 0; 1113 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1114 "THAW QUEUES @ LINE %d", __LINE__); 1115 scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 1); 1116 } 1117 1118 /* 1119 * If we'd frozen the queues, unfreeze them now so that 1120 * we can start getting commands. If the FC state isn't 1121 * okay yet, they'll hit that in isp_start which will 1122 * freeze the queues again. 1123 */ 1124 if (isp->isp_osinfo.blocked) { 1125 isp->isp_osinfo.blocked = 0; 1126 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1127 "THAW QUEUES @ LINE %d", __LINE__); 1128 scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 1); 1129 } 1130 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "sleep time %d", slp); 1131 tsleep(&isp->isp_osinfo.thread, PRIBIO, "ispf", slp * hz); 1132 1133 /* 1134 * If slp is zero, we're waking up for the first time after 1135 * things have been okay. In this case, we set a deferral state 1136 * for all commands and delay hysteresis seconds before starting 1137 * the FC state evaluation. This gives the loop/fabric a chance 1138 * to settle. 1139 */ 1140 if (slp == 0 && isp_fabric_hysteresis) { 1141 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1142 "sleep hysteresis tick time %d", 1143 isp_fabric_hysteresis * hz); 1144 (void) tsleep(&isp_fabric_hysteresis, PRIBIO, "ispT", 1145 (isp_fabric_hysteresis * hz)); 1146 } 1147 } 1148 splx(s); 1149 1150 /* In case parent is waiting for us to exit. */ 1151 wakeup(&isp->isp_osinfo.thread); 1152 kthread_exit(0); 1153 } 1154 1155 /* 1156 * Free any associated resources prior to decommissioning and 1157 * set the card to a known state (so it doesn't wake up and kick 1158 * us when we aren't expecting it to). 1159 * 1160 * Locks are held before coming here. 1161 */ 1162 void 1163 isp_uninit(struct ispsoftc *isp) 1164 { 1165 isp_lock(isp); 1166 /* 1167 * Leave with interrupts disabled. 1168 */ 1169 ISP_DISABLE_INTS(isp); 1170 isp_unlock(isp); 1171 } 1172 1173 void 1174 isp_async(struct ispsoftc *isp, ispasync_t cmd, ...) 1175 { 1176 int bus, tgt; 1177 const char *msg = NULL; 1178 static const char prom[] = 1179 "PortID 0x%06x handle 0x%x role %s %s\n" 1180 " WWNN 0x%08x%08x WWPN 0x%08x%08x"; 1181 static const char prom2[] = 1182 "PortID 0x%06x handle 0x%x role %s %s tgt %u\n" 1183 " WWNN 0x%08x%08x WWPN 0x%08x%08x"; 1184 fcportdb_t *lp; 1185 va_list ap; 1186 1187 switch (cmd) { 1188 case ISPASYNC_NEW_TGT_PARAMS: 1189 if (IS_SCSI(isp)) { 1190 sdparam *sdp; 1191 int flags; 1192 struct scsipi_xfer_mode xm; 1193 1194 va_start(ap, cmd); 1195 bus = va_arg(ap, int); 1196 tgt = va_arg(ap, int); 1197 va_end(ap); 1198 sdp = SDPARAM(isp, bus); 1199 flags = sdp->isp_devparam[tgt].actv_flags; 1200 1201 xm.xm_mode = 0; 1202 xm.xm_period = sdp->isp_devparam[tgt].actv_period; 1203 xm.xm_offset = sdp->isp_devparam[tgt].actv_offset; 1204 xm.xm_target = tgt; 1205 1206 if ((flags & DPARM_SYNC) && xm.xm_period && xm.xm_offset) 1207 xm.xm_mode |= PERIPH_CAP_SYNC; 1208 if (flags & DPARM_WIDE) 1209 xm.xm_mode |= PERIPH_CAP_WIDE16; 1210 if (flags & DPARM_TQING) 1211 xm.xm_mode |= PERIPH_CAP_TQING; 1212 scsipi_async_event(&isp->isp_osinfo.chan[bus], 1213 ASYNC_EVENT_XFER_MODE, &xm); 1214 break; 1215 } 1216 case ISPASYNC_BUS_RESET: 1217 va_start(ap, cmd); 1218 bus = va_arg(ap, int); 1219 va_end(ap); 1220 isp_prt(isp, ISP_LOGINFO, "SCSI bus %d reset detected", bus); 1221 scsipi_async_event(&isp->isp_osinfo.chan[bus], 1222 ASYNC_EVENT_RESET, NULL); 1223 break; 1224 case ISPASYNC_LIP: 1225 if (msg == NULL) { 1226 msg = "LIP Received"; 1227 } 1228 /* FALLTHROUGH */ 1229 case ISPASYNC_LOOP_RESET: 1230 if (msg == NULL) { 1231 msg = "LOOP Reset Received"; 1232 } 1233 /* FALLTHROUGH */ 1234 case ISPASYNC_LOOP_DOWN: 1235 if (msg == NULL) { 1236 msg = "Loop DOWN"; 1237 } 1238 va_start(ap, cmd); 1239 bus = va_arg(ap, int); 1240 va_end(ap); 1241 1242 /* 1243 * Don't do queue freezes or blockage until we have the 1244 * thread running and interrupts that can unfreeze/unblock us. 1245 */ 1246 if (isp->isp_osinfo.mbox_sleep_ok && 1247 isp->isp_osinfo.blocked == 0 && 1248 isp->isp_osinfo.thread) { 1249 isp->isp_osinfo.blocked = 1; 1250 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1251 "FREEZE QUEUES @ LINE %d", __LINE__); 1252 scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); 1253 if (callout_pending(&isp->isp_osinfo.ldt) == 0) { 1254 callout_schedule(&isp->isp_osinfo.ldt, 1255 isp->isp_osinfo.loop_down_limit * hz); 1256 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1257 "Starting Loop Down Timer"); 1258 } 1259 } 1260 isp_prt(isp, ISP_LOGINFO, msg); 1261 break; 1262 case ISPASYNC_LOOP_UP: 1263 /* 1264 * Let the subsequent ISPASYNC_CHANGE_NOTIFY invoke 1265 * the FC worker thread. When the FC worker thread 1266 * is done, let *it* call scsipi_channel_thaw... 1267 */ 1268 isp_prt(isp, ISP_LOGINFO, "Loop UP"); 1269 break; 1270 case ISPASYNC_DEV_ARRIVED: 1271 va_start(ap, cmd); 1272 bus = va_arg(ap, int); 1273 lp = va_arg(ap, fcportdb_t *); 1274 va_end(ap); 1275 lp->reserved = 0; 1276 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 1277 (lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT))) { 1278 int dbidx = lp - FCPARAM(isp, bus)->portdb; 1279 int i; 1280 1281 for (i = 0; i < MAX_FC_TARG; i++) { 1282 if (i >= FL_ID && i <= SNS_ID) { 1283 continue; 1284 } 1285 if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) { 1286 break; 1287 } 1288 } 1289 if (i < MAX_FC_TARG) { 1290 FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1; 1291 lp->dev_map_idx = i + 1; 1292 } else { 1293 isp_prt(isp, ISP_LOGWARN, "out of target ids"); 1294 isp_dump_portdb(isp, bus); 1295 } 1296 } 1297 if (lp->dev_map_idx) { 1298 tgt = lp->dev_map_idx - 1; 1299 isp_prt(isp, ISP_LOGCONFIG, prom2, 1300 lp->portid, lp->handle, 1301 roles[lp->roles], "arrived at", tgt, 1302 (uint32_t) (lp->node_wwn >> 32), 1303 (uint32_t) lp->node_wwn, 1304 (uint32_t) (lp->port_wwn >> 32), 1305 (uint32_t) lp->port_wwn); 1306 isp_make_here(isp, tgt); 1307 } else { 1308 isp_prt(isp, ISP_LOGCONFIG, prom, 1309 lp->portid, lp->handle, 1310 roles[lp->roles], "arrived", 1311 (uint32_t) (lp->node_wwn >> 32), 1312 (uint32_t) lp->node_wwn, 1313 (uint32_t) (lp->port_wwn >> 32), 1314 (uint32_t) lp->port_wwn); 1315 } 1316 break; 1317 case ISPASYNC_DEV_CHANGED: 1318 va_start(ap, cmd); 1319 bus = va_arg(ap, int); 1320 lp = va_arg(ap, fcportdb_t *); 1321 va_end(ap); 1322 if (isp_change_is_bad) { 1323 lp->state = FC_PORTDB_STATE_NIL; 1324 if (lp->dev_map_idx) { 1325 tgt = lp->dev_map_idx - 1; 1326 FCPARAM(isp, bus)->isp_dev_map[tgt] = 0; 1327 lp->dev_map_idx = 0; 1328 isp_prt(isp, ISP_LOGCONFIG, prom3, 1329 lp->portid, tgt, "change is bad"); 1330 isp_make_gone(isp, tgt); 1331 } else { 1332 isp_prt(isp, ISP_LOGCONFIG, prom, 1333 lp->portid, lp->handle, 1334 roles[lp->roles], 1335 "changed and departed", 1336 (uint32_t) (lp->node_wwn >> 32), 1337 (uint32_t) lp->node_wwn, 1338 (uint32_t) (lp->port_wwn >> 32), 1339 (uint32_t) lp->port_wwn); 1340 } 1341 } else { 1342 lp->portid = lp->new_portid; 1343 lp->roles = lp->new_roles; 1344 if (lp->dev_map_idx) { 1345 int t = lp->dev_map_idx - 1; 1346 FCPARAM(isp, bus)->isp_dev_map[t] = 1347 (lp - FCPARAM(isp, bus)->portdb) + 1; 1348 tgt = lp->dev_map_idx - 1; 1349 isp_prt(isp, ISP_LOGCONFIG, prom2, 1350 lp->portid, lp->handle, 1351 roles[lp->roles], "changed at", tgt, 1352 (uint32_t) (lp->node_wwn >> 32), 1353 (uint32_t) lp->node_wwn, 1354 (uint32_t) (lp->port_wwn >> 32), 1355 (uint32_t) lp->port_wwn); 1356 } else { 1357 isp_prt(isp, ISP_LOGCONFIG, prom, 1358 lp->portid, lp->handle, 1359 roles[lp->roles], "changed", 1360 (uint32_t) (lp->node_wwn >> 32), 1361 (uint32_t) lp->node_wwn, 1362 (uint32_t) (lp->port_wwn >> 32), 1363 (uint32_t) lp->port_wwn); 1364 } 1365 } 1366 break; 1367 case ISPASYNC_DEV_STAYED: 1368 va_start(ap, cmd); 1369 bus = va_arg(ap, int); 1370 lp = va_arg(ap, fcportdb_t *); 1371 va_end(ap); 1372 if (lp->dev_map_idx) { 1373 tgt = lp->dev_map_idx - 1; 1374 isp_prt(isp, ISP_LOGCONFIG, prom2, 1375 lp->portid, lp->handle, 1376 roles[lp->roles], "stayed at", tgt, 1377 (uint32_t) (lp->node_wwn >> 32), 1378 (uint32_t) lp->node_wwn, 1379 (uint32_t) (lp->port_wwn >> 32), 1380 (uint32_t) lp->port_wwn); 1381 } else { 1382 isp_prt(isp, ISP_LOGCONFIG, prom, 1383 lp->portid, lp->handle, 1384 roles[lp->roles], "stayed", 1385 (uint32_t) (lp->node_wwn >> 32), 1386 (uint32_t) lp->node_wwn, 1387 (uint32_t) (lp->port_wwn >> 32), 1388 (uint32_t) lp->port_wwn); 1389 } 1390 break; 1391 case ISPASYNC_DEV_GONE: 1392 va_start(ap, cmd); 1393 bus = va_arg(ap, int); 1394 lp = va_arg(ap, fcportdb_t *); 1395 va_end(ap); 1396 /* 1397 * If this has a virtual target and we haven't marked it 1398 * that we're going to have isp_gdt tell the OS it's gone, 1399 * set the isp_gdt timer running on it. 1400 * 1401 * If it isn't marked that isp_gdt is going to get rid of it, 1402 * announce that it's gone. 1403 */ 1404 if (lp->dev_map_idx && lp->reserved == 0) { 1405 lp->reserved = 1; 1406 lp->new_reserved = isp->isp_osinfo.gone_device_time; 1407 lp->state = FC_PORTDB_STATE_ZOMBIE; 1408 if (isp->isp_osinfo.gdt_running == 0) { 1409 isp->isp_osinfo.gdt_running = 1; 1410 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1411 "starting Gone Device Timer"); 1412 callout_schedule(&isp->isp_osinfo.gdt, hz); 1413 } 1414 tgt = lp->dev_map_idx - 1; 1415 isp_prt(isp, ISP_LOGCONFIG, prom2, 1416 lp->portid, lp->handle, 1417 roles[lp->roles], "gone zombie at", tgt, 1418 (uint32_t) (lp->node_wwn >> 32), 1419 (uint32_t) lp->node_wwn, 1420 (uint32_t) (lp->port_wwn >> 32), 1421 (uint32_t) lp->port_wwn); 1422 } else if (lp->reserved == 0) { 1423 isp_prt(isp, ISP_LOGCONFIG, prom, 1424 lp->portid, lp->handle, 1425 roles[lp->roles], "departed", 1426 (uint32_t) (lp->node_wwn >> 32), 1427 (uint32_t) lp->node_wwn, 1428 (uint32_t) (lp->port_wwn >> 32), 1429 (uint32_t) lp->port_wwn); 1430 } 1431 break; 1432 case ISPASYNC_CHANGE_NOTIFY: 1433 { 1434 int opt; 1435 1436 va_start(ap, cmd); 1437 bus = va_arg(ap, int); 1438 opt = va_arg(ap, int); 1439 va_end(ap); 1440 1441 if (opt == ISPASYNC_CHANGE_PDB) { 1442 msg = "Port Database Changed"; 1443 } else if (opt == ISPASYNC_CHANGE_SNS) { 1444 msg = "Name Server Database Changed"; 1445 } else { 1446 msg = "Other Change Notify"; 1447 } 1448 /* 1449 * If the loop down timer is running, cancel it. 1450 */ 1451 if (callout_pending(&isp->isp_osinfo.ldt)) { 1452 callout_stop(&isp->isp_osinfo.ldt); 1453 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1454 "Stopping Loop Down Timer"); 1455 } 1456 isp_prt(isp, ISP_LOGINFO, msg); 1457 /* 1458 * We can set blocked here because we know it's now okay 1459 * to try and run isp_fc_runstate (in order to build loop 1460 * state). But we don't try and freeze the midlayer's queue 1461 * if we have no thread that we can wake to later unfreeze 1462 * it. 1463 */ 1464 if (isp->isp_osinfo.blocked == 0) { 1465 isp->isp_osinfo.blocked = 1; 1466 if (isp->isp_osinfo.thread) { 1467 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1468 "FREEZE QUEUES @ LINE %d", __LINE__); 1469 scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); 1470 } 1471 } 1472 /* 1473 * Note that we have work for the thread to do, and 1474 * if the thread is here already, wake it up. 1475 */ 1476 if (isp->isp_osinfo.thread) { 1477 wakeup(&isp->isp_osinfo.thread); 1478 } else { 1479 isp_prt(isp, ISP_LOGDEBUG1, "no FC thread yet"); 1480 } 1481 break; 1482 } 1483 case ISPASYNC_FW_CRASH: 1484 { 1485 uint16_t mbox1; 1486 mbox1 = ISP_READ(isp, OUTMAILBOX1); 1487 if (IS_DUALBUS(isp)) { 1488 bus = ISP_READ(isp, OUTMAILBOX6); 1489 } else { 1490 bus = 0; 1491 } 1492 isp_prt(isp, ISP_LOGERR, 1493 "Internal Firmware Error on bus %d @ RISC Address 0x%x", 1494 bus, mbox1); 1495 if (IS_FC(isp)) { 1496 if (isp->isp_osinfo.blocked == 0) { 1497 isp->isp_osinfo.blocked = 1; 1498 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1499 "FREEZE QUEUES @ LINE %d", __LINE__); 1500 scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); 1501 } 1502 } 1503 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 1504 isp->isp_osinfo.mbox_sleep_ok = 0; 1505 isp_reinit(isp, 0); 1506 isp->isp_osinfo.mbox_sleep_ok = mbox1; 1507 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 1508 break; 1509 } 1510 default: 1511 break; 1512 } 1513 } 1514 1515 void 1516 isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...) 1517 { 1518 va_list ap; 1519 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 1520 return; 1521 } 1522 printf("%s: ", device_xname(isp->isp_osinfo.dev)); 1523 va_start(ap, fmt); 1524 vprintf(fmt, ap); 1525 va_end(ap); 1526 printf("\n"); 1527 } 1528 1529 void 1530 isp_xs_prt(struct ispsoftc *isp, XS_T *xs, int level, const char *fmt, ...) 1531 { 1532 va_list ap; 1533 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 1534 return; 1535 } 1536 scsipi_printaddr(xs->xs_periph); 1537 va_start(ap, fmt); 1538 vprintf(fmt, ap); 1539 va_end(ap); 1540 printf("\n"); 1541 } 1542 1543 void 1544 isp_lock(struct ispsoftc *isp) 1545 { 1546 int s = splbio(); 1547 if (isp->isp_osinfo.islocked++ == 0) { 1548 isp->isp_osinfo.splsaved = s; 1549 } else { 1550 splx(s); 1551 } 1552 } 1553 1554 void 1555 isp_unlock(struct ispsoftc *isp) 1556 { 1557 if (isp->isp_osinfo.islocked-- <= 1) { 1558 isp->isp_osinfo.islocked = 0; 1559 splx(isp->isp_osinfo.splsaved); 1560 } 1561 } 1562 1563 uint64_t 1564 isp_microtime_sub(struct timeval *b, struct timeval *a) 1565 { 1566 struct timeval x; 1567 uint64_t elapsed; 1568 timersub(b, a, &x); 1569 elapsed = GET_NANOSEC(&x); 1570 if (elapsed == 0) 1571 elapsed++; 1572 return (elapsed); 1573 } 1574 1575 int 1576 isp_mbox_acquire(ispsoftc_t *isp) 1577 { 1578 if (isp->isp_osinfo.mboxbsy) { 1579 return (1); 1580 } else { 1581 isp->isp_osinfo.mboxcmd_done = 0; 1582 isp->isp_osinfo.mboxbsy = 1; 1583 return (0); 1584 } 1585 } 1586 1587 void 1588 isp_mbox_wait_complete(struct ispsoftc *isp, mbreg_t *mbp) 1589 { 1590 unsigned int usecs = mbp->timeout; 1591 unsigned int maxc, olim, ilim; 1592 struct timeval start; 1593 1594 if (usecs == 0) { 1595 usecs = MBCMD_DEFAULT_TIMEOUT; 1596 } 1597 maxc = isp->isp_mbxwrk0 + 1; 1598 1599 microtime(&start); 1600 if (isp->isp_osinfo.mbox_sleep_ok) { 1601 int to; 1602 struct timeval tv, utv; 1603 1604 tv.tv_sec = 0; 1605 tv.tv_usec = 0; 1606 for (olim = 0; olim < maxc; olim++) { 1607 utv.tv_sec = usecs / 1000000; 1608 utv.tv_usec = usecs % 1000000; 1609 timeradd(&tv, &utv, &tv); 1610 } 1611 to = tvtohz(&tv); 1612 if (to == 0) 1613 to = 1; 1614 timeradd(&tv, &start, &tv); 1615 1616 isp->isp_osinfo.mbox_sleep_ok = 0; 1617 isp->isp_osinfo.mbox_sleeping = 1; 1618 tsleep(&isp->isp_mbxworkp, PRIBIO, "ispmbx_sleep", to); 1619 isp->isp_osinfo.mbox_sleeping = 0; 1620 isp->isp_osinfo.mbox_sleep_ok = 1; 1621 } else { 1622 for (olim = 0; olim < maxc; olim++) { 1623 for (ilim = 0; ilim < usecs; ilim += 100) { 1624 uint32_t isr; 1625 uint16_t sema, mbox; 1626 if (isp->isp_osinfo.mboxcmd_done) { 1627 break; 1628 } 1629 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 1630 isp_intr(isp, isr, sema, mbox); 1631 if (isp->isp_osinfo.mboxcmd_done) { 1632 break; 1633 } 1634 } 1635 ISP_DELAY(100); 1636 } 1637 if (isp->isp_osinfo.mboxcmd_done) { 1638 break; 1639 } 1640 } 1641 } 1642 if (isp->isp_osinfo.mboxcmd_done == 0) { 1643 struct timeval finish, elapsed; 1644 1645 microtime(&finish); 1646 timersub(&finish, &start, &elapsed); 1647 isp_prt(isp, ISP_LOGWARN, 1648 "%s Mailbox Command (0x%x) Timeout (%uus actual)", 1649 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 1650 isp->isp_lastmbxcmd, (elapsed.tv_sec * 1000000) + 1651 elapsed.tv_usec); 1652 mbp->param[0] = MBOX_TIMEOUT; 1653 isp->isp_osinfo.mboxcmd_done = 1; 1654 } 1655 } 1656 1657 void 1658 isp_mbox_notify_done(ispsoftc_t *isp) 1659 { 1660 if (isp->isp_osinfo.mbox_sleeping) { 1661 wakeup(&isp->isp_mbxworkp); 1662 } 1663 isp->isp_osinfo.mboxcmd_done = 1; 1664 } 1665 1666 void 1667 isp_mbox_release(ispsoftc_t *isp) 1668 { 1669 isp->isp_osinfo.mboxbsy = 0; 1670 } 1671
Indexes created Tue Sep 30 20:09:53 GMT 2025