isp_netbsd.c revision 1.75
1 /* $NetBSD: isp_netbsd.c,v 1.75 2007/07/09 21:00:36 ad 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 1.75 2007/07/09 21:00:36 ad Exp $"); 37 38 #include <dev/ic/isp_netbsd.h> 39 #include <dev/ic/isp_ioctl.h> 40 #include <sys/scsiio.h> 41 42 43 /* 44 * Set a timeout for the watchdogging of a command. 45 * 46 * The dimensional analysis is 47 * 48 * milliseconds * (seconds/millisecond) * (ticks/second) = ticks 49 * 50 * = 51 * 52 * (milliseconds / 1000) * hz = ticks 53 * 54 * 55 * For timeouts less than 1 second, we'll get zero. Because of this, and 56 * because we want to establish *our* timeout to be longer than what the 57 * firmware might do, we just add 3 seconds at the back end. 58 */ 59 #define _XT(xs) ((((xs)->timeout/1000) * hz) + (3 * hz)) 60 61 static void isp_config_interrupts(struct device *); 62 static void ispminphys_1020(struct buf *); 63 static void ispminphys(struct buf *); 64 static void ispcmd(struct ispsoftc *, XS_T *); 65 static void isprequest(struct scsipi_channel *, scsipi_adapter_req_t, void *); 66 static int 67 ispioctl(struct scsipi_channel *, u_long, void *, int, struct proc *); 68 69 static void isp_polled_cmd_wait(struct ispsoftc *, XS_T *); 70 static void isp_dog(void *); 71 static void isp_gdt(void *); 72 static void isp_ldt(void *); 73 static void isp_make_here(ispsoftc_t *, int); 74 static void isp_make_gone(ispsoftc_t *, int); 75 static void isp_fc_worker(void *); 76 77 static const char *roles[4] = { 78 "(none)", "Target", "Initiator", "Target/Initiator" 79 }; 80 static const char prom3[] = 81 "PortID 0x%06x Departed from Target %u because of %s"; 82 int isp_change_is_bad = 0; /* "changed" devices are bad */ 83 int isp_quickboot_time = 15; /* don't wait more than N secs for loop up */ 84 static int isp_fabric_hysteresis = 5; 85 #define isp_change_is_bad 0 86 87 88 /* 89 * Complete attachment of hardware, include subdevices. 90 */ 91 92 void 93 isp_attach(struct ispsoftc *isp) 94 { 95 isp->isp_state = ISP_RUNSTATE; 96 97 isp->isp_osinfo._adapter.adapt_dev = &isp->isp_osinfo._dev; 98 isp->isp_osinfo._adapter.adapt_nchannels = IS_DUALBUS(isp) ? 2 : 1; 99 isp->isp_osinfo._adapter.adapt_openings = isp->isp_maxcmds; 100 /* 101 * It's not stated whether max_periph is limited by SPI 102 * tag uage, but let's assume that it is. 103 */ 104 isp->isp_osinfo._adapter.adapt_max_periph = min(isp->isp_maxcmds, 255); 105 isp->isp_osinfo._adapter.adapt_ioctl = ispioctl; 106 isp->isp_osinfo._adapter.adapt_request = isprequest; 107 if (isp->isp_type <= ISP_HA_SCSI_1020A) { 108 isp->isp_osinfo._adapter.adapt_minphys = ispminphys_1020; 109 } else { 110 isp->isp_osinfo._adapter.adapt_minphys = ispminphys; 111 } 112 113 isp->isp_osinfo._chan.chan_adapter = &isp->isp_osinfo._adapter; 114 isp->isp_osinfo._chan.chan_bustype = &scsi_bustype; 115 isp->isp_osinfo._chan.chan_channel = 0; 116 117 /* 118 * Until the midlayer is fixed to use REPORT LUNS, limit to 8 luns. 119 */ 120 isp->isp_osinfo._chan.chan_nluns = min(isp->isp_maxluns, 8); 121 122 callout_init(&isp->isp_osinfo.gdt, 0); 123 callout_setfunc(&isp->isp_osinfo.gdt, isp_gdt, isp); 124 125 callout_init(&isp->isp_osinfo.ldt, 0); 126 callout_setfunc(&isp->isp_osinfo.ldt, isp_ldt, isp); 127 128 if (IS_FC(isp)) { 129 isp->isp_osinfo._chan.chan_ntargets = MAX_FC_TARG; 130 isp->isp_osinfo._chan.chan_id = MAX_FC_TARG; 131 #ifdef ISP_FW_CRASH_DUMP 132 if (IS_2200(isp)) { 133 FCPARAM(isp)->isp_dump_data = 134 malloc(QLA2200_RISC_IMAGE_DUMP_SIZE, M_DEVBUF, 135 M_NOWAIT); 136 } else if (IS_23XX(isp)) { 137 FCPARAM(isp)->isp_dump_data = 138 malloc(QLA2300_RISC_IMAGE_DUMP_SIZE, M_DEVBUF, 139 M_NOWAIT); 140 } 141 if (FCPARAM(isp)->isp_dump_data) 142 FCPARAM(isp)->isp_dump_data[0] = 0; 143 #endif 144 } else { 145 int bus = 0; 146 sdparam *sdp = isp->isp_param; 147 148 isp->isp_osinfo._chan.chan_ntargets = MAX_TARGETS; 149 isp->isp_osinfo._chan.chan_id = sdp->isp_initiator_id; 150 isp->isp_osinfo.discovered[0] = 1 << sdp->isp_initiator_id; 151 if (IS_DUALBUS(isp)) { 152 isp->isp_osinfo._chan_b = isp->isp_osinfo._chan; 153 sdp++; 154 isp->isp_osinfo.discovered[1] = 155 1 << sdp->isp_initiator_id; 156 isp->isp_osinfo._chan_b.chan_id = sdp->isp_initiator_id; 157 isp->isp_osinfo._chan_b.chan_channel = 1; 158 } 159 ISP_LOCK(isp); 160 (void) isp_control(isp, ISPCTL_RESET_BUS, &bus); 161 if (IS_DUALBUS(isp)) { 162 bus++; 163 (void) isp_control(isp, ISPCTL_RESET_BUS, &bus); 164 } 165 ISP_UNLOCK(isp); 166 } 167 168 169 /* 170 * Defer enabling mailbox interrupts until later. 171 */ 172 config_interrupts((struct device *) isp, isp_config_interrupts); 173 174 /* 175 * And attach children (if any). 176 */ 177 config_found((void *)isp, &isp->isp_chanA, scsiprint); 178 if (IS_DUALBUS(isp)) { 179 config_found((void *)isp, &isp->isp_chanB, scsiprint); 180 } 181 } 182 183 static void 184 isp_config_interrupts(struct device *self) 185 { 186 struct ispsoftc *isp = (struct ispsoftc *) self; 187 188 isp->isp_osinfo.mbox_sleep_ok = 1; 189 190 if (kthread_create(PRI_NONE, 0, NULL, isp_fc_worker, isp, 191 &isp->isp_osinfo.thread, "%s:fc_thrd", isp->isp_name)) { 192 isp_prt(isp, ISP_LOGERR, 193 "unable to create FC worker thread"); 194 panic("isp_config_interrupts"); 195 } 196 } 197 198 199 /* 200 * minphys our xfers 201 */ 202 static void 203 ispminphys_1020(struct buf *bp) 204 { 205 if (bp->b_bcount >= (1 << 24)) { 206 bp->b_bcount = (1 << 24); 207 } 208 minphys(bp); 209 } 210 211 static void 212 ispminphys(struct buf *bp) 213 { 214 if (bp->b_bcount >= (1 << 30)) { 215 bp->b_bcount = (1 << 30); 216 } 217 minphys(bp); 218 } 219 220 static int 221 ispioctl(struct scsipi_channel *chan, u_long cmd, void *addr, int flag, 222 struct proc *p) 223 { 224 struct ispsoftc *isp = (void *)chan->chan_adapter->adapt_dev; 225 int retval = ENOTTY; 226 227 switch (cmd) { 228 #ifdef ISP_FW_CRASH_DUMP 229 case ISP_GET_FW_CRASH_DUMP: 230 { 231 uint16_t *ptr = FCPARAM(isp)->isp_dump_data; 232 size_t sz; 233 234 retval = 0; 235 if (IS_2200(isp)) 236 sz = QLA2200_RISC_IMAGE_DUMP_SIZE; 237 else 238 sz = QLA2300_RISC_IMAGE_DUMP_SIZE; 239 ISP_LOCK(isp); 240 if (ptr && *ptr) { 241 void *uaddr = *((void **) addr); 242 if (copyout(ptr, uaddr, sz)) { 243 retval = EFAULT; 244 } else { 245 *ptr = 0; 246 } 247 } else { 248 retval = ENXIO; 249 } 250 ISP_UNLOCK(isp); 251 break; 252 } 253 254 case ISP_FORCE_CRASH_DUMP: 255 ISP_LOCK(isp); 256 if (isp->isp_osinfo.blocked == 0) { 257 isp->isp_osinfo.blocked = 1; 258 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 259 "FREEZE QUEUES @ LINE %d", __LINE__); 260 scsipi_channel_freeze(&isp->isp_chanA, 1); 261 } 262 isp_fw_dump(isp); 263 isp_reinit(isp); 264 ISP_UNLOCK(isp); 265 retval = 0; 266 break; 267 #endif 268 case ISP_SDBLEV: 269 { 270 int olddblev = isp->isp_dblev; 271 isp->isp_dblev = *(int *)addr; 272 *(int *)addr = olddblev; 273 retval = 0; 274 break; 275 } 276 case ISP_RESETHBA: 277 ISP_LOCK(isp); 278 isp_reinit(isp); 279 ISP_UNLOCK(isp); 280 retval = 0; 281 break; 282 case ISP_RESCAN: 283 if (IS_FC(isp)) { 284 ISP_LOCK(isp); 285 if (isp_fc_runstate(isp, 5 * 1000000)) { 286 retval = EIO; 287 } else { 288 retval = 0; 289 } 290 ISP_UNLOCK(isp); 291 } 292 break; 293 case ISP_FC_LIP: 294 if (IS_FC(isp)) { 295 ISP_LOCK(isp); 296 if (isp_control(isp, ISPCTL_SEND_LIP, 0)) { 297 retval = EIO; 298 } else { 299 retval = 0; 300 } 301 ISP_UNLOCK(isp); 302 } 303 break; 304 case ISP_FC_GETDINFO: 305 { 306 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 307 fcportdb_t *lp; 308 309 if (ifc->loopid >= MAX_FC_TARG) { 310 retval = EINVAL; 311 break; 312 } 313 ISP_LOCK(isp); 314 lp = &FCPARAM(isp)->portdb[ifc->loopid]; 315 if (lp->state == FC_PORTDB_STATE_VALID) { 316 ifc->role = lp->roles; 317 ifc->loopid = lp->handle; 318 ifc->portid = lp->portid; 319 ifc->node_wwn = lp->node_wwn; 320 ifc->port_wwn = lp->port_wwn; 321 retval = 0; 322 } else { 323 retval = ENODEV; 324 } 325 ISP_UNLOCK(isp); 326 break; 327 } 328 case ISP_GET_STATS: 329 { 330 isp_stats_t *sp = (isp_stats_t *) addr; 331 332 MEMZERO(sp, sizeof (*sp)); 333 sp->isp_stat_version = ISP_STATS_VERSION; 334 sp->isp_type = isp->isp_type; 335 sp->isp_revision = isp->isp_revision; 336 ISP_LOCK(isp); 337 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 338 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 339 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 340 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 341 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 342 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 343 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 344 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 345 ISP_UNLOCK(isp); 346 retval = 0; 347 break; 348 } 349 case ISP_CLR_STATS: 350 ISP_LOCK(isp); 351 isp->isp_intcnt = 0; 352 isp->isp_intbogus = 0; 353 isp->isp_intmboxc = 0; 354 isp->isp_intoasync = 0; 355 isp->isp_rsltccmplt = 0; 356 isp->isp_fphccmplt = 0; 357 isp->isp_rscchiwater = 0; 358 isp->isp_fpcchiwater = 0; 359 ISP_UNLOCK(isp); 360 retval = 0; 361 break; 362 case ISP_FC_GETHINFO: 363 { 364 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 365 MEMZERO(hba, sizeof (*hba)); 366 ISP_LOCK(isp); 367 hba->fc_speed = FCPARAM(isp)->isp_gbspeed; 368 hba->fc_scsi_supported = 1; 369 hba->fc_topology = FCPARAM(isp)->isp_topo + 1; 370 hba->fc_loopid = FCPARAM(isp)->isp_loopid; 371 hba->nvram_node_wwn = FCPARAM(isp)->isp_wwnn_nvram; 372 hba->nvram_port_wwn = FCPARAM(isp)->isp_wwpn_nvram; 373 hba->active_node_wwn = ISP_NODEWWN(isp); 374 hba->active_port_wwn = ISP_PORTWWN(isp); 375 ISP_UNLOCK(isp); 376 retval = 0; 377 break; 378 } 379 case SCBUSIORESET: 380 ISP_LOCK(isp); 381 if (isp_control(isp, ISPCTL_RESET_BUS, &chan->chan_channel)) { 382 retval = EIO; 383 } else { 384 retval = 0; 385 } 386 ISP_UNLOCK(isp); 387 break; 388 default: 389 break; 390 } 391 return (retval); 392 } 393 394 static void 395 ispcmd(struct ispsoftc *isp, XS_T *xs) 396 { 397 volatile uint8_t ombi; 398 int lim; 399 400 ISP_LOCK(isp); 401 if (isp->isp_state < ISP_RUNSTATE) { 402 ISP_DISABLE_INTS(isp); 403 isp_init(isp); 404 if (isp->isp_state != ISP_INITSTATE) { 405 ISP_ENABLE_INTS(isp); 406 ISP_UNLOCK(isp); 407 isp_prt(isp, ISP_LOGERR, "isp not at init state"); 408 XS_SETERR(xs, HBA_BOTCH); 409 scsipi_done(xs); 410 return; 411 } 412 isp->isp_state = ISP_RUNSTATE; 413 ISP_ENABLE_INTS(isp); 414 } 415 416 /* 417 * Handle the case of a FC card where the FC thread hasn't 418 * fired up yet and we don't yet have a known loop state. 419 */ 420 if (IS_FC(isp) && (FCPARAM(isp)->isp_fwstate != FW_READY || 421 FCPARAM(isp)->isp_loopstate != LOOP_READY) && 422 isp->isp_osinfo.thread == NULL) { 423 ombi = isp->isp_osinfo.mbox_sleep_ok != 0; 424 int delay_time; 425 426 if (xs->xs_control & XS_CTL_POLL) { 427 isp->isp_osinfo.mbox_sleep_ok = 0; 428 } 429 430 if (isp->isp_osinfo.loop_checked == 0) { 431 delay_time = 10 * 1000000; 432 isp->isp_osinfo.loop_checked = 1; 433 } else { 434 delay_time = 250000; 435 } 436 437 if (isp_fc_runstate(isp, delay_time) != 0) { 438 if (xs->xs_control & XS_CTL_POLL) { 439 isp->isp_osinfo.mbox_sleep_ok = ombi; 440 } 441 if (FCPARAM(isp)->loop_seen_once == 0) { 442 XS_SETERR(xs, HBA_SELTIMEOUT); 443 scsipi_done(xs); 444 ISP_UNLOCK(isp); 445 return; 446 } 447 /* 448 * Otherwise, fall thru to be queued up for later. 449 */ 450 } else { 451 int wasblocked = 452 (isp->isp_osinfo.blocked || isp->isp_osinfo.paused); 453 isp->isp_osinfo.blocked = 454 isp->isp_osinfo.paused = 0; 455 if (wasblocked) { 456 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 457 "THAW QUEUES @ LINE %d", __LINE__); 458 scsipi_channel_thaw(&isp->isp_chanA, 1); 459 } 460 } 461 if (xs->xs_control & XS_CTL_POLL) { 462 isp->isp_osinfo.mbox_sleep_ok = ombi; 463 } 464 } 465 466 if (isp->isp_osinfo.paused) { 467 isp_prt(isp, ISP_LOGWARN, "I/O while paused"); 468 xs->error = XS_RESOURCE_SHORTAGE; 469 scsipi_done(xs); 470 ISP_UNLOCK(isp); 471 return; 472 } 473 if (isp->isp_osinfo.blocked) { 474 isp_prt(isp, ISP_LOGWARN, "I/O while blocked"); 475 xs->error = XS_REQUEUE; 476 scsipi_done(xs); 477 ISP_UNLOCK(isp); 478 return; 479 } 480 481 if (xs->xs_control & XS_CTL_POLL) { 482 ombi = isp->isp_osinfo.mbox_sleep_ok; 483 isp->isp_osinfo.mbox_sleep_ok = 0; 484 } 485 486 switch (isp_start(xs)) { 487 case CMD_QUEUED: 488 if (xs->xs_control & XS_CTL_POLL) { 489 isp_polled_cmd_wait(isp, xs); 490 isp->isp_osinfo.mbox_sleep_ok = ombi; 491 } else if (xs->timeout) { 492 callout_reset(&xs->xs_callout, _XT(xs), isp_dog, xs); 493 } 494 break; 495 case CMD_EAGAIN: 496 isp->isp_osinfo.paused = 1; 497 xs->error = XS_RESOURCE_SHORTAGE; 498 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 499 "FREEZE QUEUES @ LINE %d", __LINE__); 500 scsipi_channel_freeze(&isp->isp_chanA, 1); 501 if (IS_DUALBUS(isp)) { 502 scsipi_channel_freeze(&isp->isp_chanB, 1); 503 } 504 scsipi_done(xs); 505 break; 506 case CMD_RQLATER: 507 /* 508 * We can only get RQLATER from FC devices (1 channel only) 509 * 510 * If we've never seen loop up see if if we've been down 511 * quickboot time, otherwise wait loop down limit time. 512 * If so, then we start giving up on commands. 513 */ 514 if (FCPARAM(isp)->loop_seen_once == 0) { 515 lim = isp_quickboot_time; 516 } else { 517 lim = isp->isp_osinfo.loop_down_limit; 518 } 519 if (isp->isp_osinfo.loop_down_time >= lim) { 520 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 521 "RQLATER -> SELTIMEOUT"); 522 XS_SETERR(xs, HBA_SELTIMEOUT); 523 scsipi_done(xs); 524 break; 525 } 526 if (isp->isp_osinfo.blocked == 0) { 527 isp->isp_osinfo.blocked = 1; 528 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 529 "FREEZE QUEUES @ LINE %d", __LINE__); 530 scsipi_channel_freeze(&isp->isp_chanA, 1); 531 } else { 532 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 533 "RQLATER WITH FROZEN QUEUES @ LINE %d", __LINE__); 534 } 535 xs->error = XS_REQUEUE; 536 scsipi_done(xs); 537 break; 538 case CMD_COMPLETE: 539 scsipi_done(xs); 540 break; 541 } 542 ISP_UNLOCK(isp); 543 } 544 545 static void 546 isprequest(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 547 { 548 struct ispsoftc *isp = (void *)chan->chan_adapter->adapt_dev; 549 550 switch (req) { 551 case ADAPTER_REQ_RUN_XFER: 552 ispcmd(isp, (XS_T *) arg); 553 break; 554 555 case ADAPTER_REQ_GROW_RESOURCES: 556 /* Not supported. */ 557 break; 558 559 case ADAPTER_REQ_SET_XFER_MODE: 560 if (IS_SCSI(isp)) { 561 struct scsipi_xfer_mode *xm = arg; 562 int dflags = 0; 563 sdparam *sdp = SDPARAM(isp); 564 565 sdp += chan->chan_channel; 566 if (xm->xm_mode & PERIPH_CAP_TQING) 567 dflags |= DPARM_TQING; 568 if (xm->xm_mode & PERIPH_CAP_WIDE16) 569 dflags |= DPARM_WIDE; 570 if (xm->xm_mode & PERIPH_CAP_SYNC) 571 dflags |= DPARM_SYNC; 572 ISP_LOCK(isp); 573 sdp->isp_devparam[xm->xm_target].goal_flags |= dflags; 574 dflags = sdp->isp_devparam[xm->xm_target].goal_flags; 575 sdp->isp_devparam[xm->xm_target].dev_update = 1; 576 isp->isp_update |= (1 << chan->chan_channel); 577 ISP_UNLOCK(isp); 578 isp_prt(isp, ISP_LOGDEBUG1, 579 "isprequest: device flags 0x%x for %d.%d.X", 580 dflags, chan->chan_channel, xm->xm_target); 581 break; 582 } 583 default: 584 break; 585 } 586 } 587 588 static void 589 isp_polled_cmd_wait(struct ispsoftc *isp, XS_T *xs) 590 { 591 int infinite = 0, mswait; 592 593 /* 594 * If we can't use interrupts, poll on completion. 595 */ 596 if ((mswait = XS_TIME(xs)) == 0) { 597 infinite = 1; 598 } 599 600 while (mswait || infinite) { 601 uint32_t isr; 602 uint16_t sema, mbox; 603 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 604 isp_intr(isp, isr, sema, mbox); 605 if (XS_CMD_DONE_P(xs)) { 606 break; 607 } 608 } 609 USEC_DELAY(1000); 610 mswait -= 1; 611 } 612 613 /* 614 * If no other error occurred but we didn't finish 615 * something bad happened, so abort the command. 616 */ 617 if (XS_CMD_DONE_P(xs) == 0) { 618 if (isp_control(isp, ISPCTL_ABORT_CMD, xs)) { 619 isp_reinit(isp); 620 } 621 if (XS_NOERR(xs)) { 622 isp_prt(isp, ISP_LOGERR, "polled command timed out"); 623 XS_SETERR(xs, HBA_BOTCH); 624 } 625 } 626 scsipi_done(xs); 627 } 628 629 void 630 isp_done(XS_T *xs) 631 { 632 if (XS_CMD_WDOG_P(xs) == 0) { 633 struct ispsoftc *isp = XS_ISP(xs); 634 callout_stop(&xs->xs_callout); 635 if (XS_CMD_GRACE_P(xs)) { 636 isp_prt(isp, ISP_LOGDEBUG1, 637 "finished command on borrowed time"); 638 } 639 XS_CMD_S_CLEAR(xs); 640 /* 641 * Fixup- if we get a QFULL, we need 642 * to set XS_BUSY as the error. 643 */ 644 if (xs->status == SCSI_QUEUE_FULL) { 645 xs->error = XS_BUSY; 646 } 647 if (isp->isp_osinfo.paused) { 648 isp->isp_osinfo.paused = 0; 649 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 650 "THAW QUEUES @ LINE %d", __LINE__); 651 scsipi_channel_timed_thaw(&isp->isp_chanA); 652 if (IS_DUALBUS(isp)) { 653 scsipi_channel_timed_thaw(&isp->isp_chanB); 654 } 655 } 656 if (xs->error == XS_DRIVER_STUFFUP) { 657 isp_prt(isp, ISP_LOGERR, 658 "BOTCHED cmd for %d.%d.%d cmd 0x%x datalen %ld", 659 XS_CHANNEL(xs), XS_TGT(xs), XS_LUN(xs), 660 XS_CDBP(xs)[0], (long) XS_XFRLEN(xs)); 661 } 662 scsipi_done(xs); 663 } 664 } 665 666 static void 667 isp_dog(void *arg) 668 { 669 XS_T *xs = arg; 670 struct ispsoftc *isp = XS_ISP(xs); 671 uint32_t handle; 672 673 674 ISP_ILOCK(isp); 675 /* 676 * We've decided this command is dead. Make sure we're not trying 677 * to kill a command that's already dead by getting it's handle and 678 * and seeing whether it's still alive. 679 */ 680 handle = isp_find_handle(isp, xs); 681 if (handle) { 682 uint32_t isr; 683 uint16_t mbox, sema; 684 685 if (XS_CMD_DONE_P(xs)) { 686 isp_prt(isp, ISP_LOGDEBUG1, 687 "watchdog found done cmd (handle 0x%x)", handle); 688 ISP_IUNLOCK(isp); 689 return; 690 } 691 692 if (XS_CMD_WDOG_P(xs)) { 693 isp_prt(isp, ISP_LOGDEBUG1, 694 "recursive watchdog (handle 0x%x)", handle); 695 ISP_IUNLOCK(isp); 696 return; 697 } 698 699 XS_CMD_S_WDOG(xs); 700 701 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 702 isp_intr(isp, isr, sema, mbox); 703 704 } 705 if (XS_CMD_DONE_P(xs)) { 706 isp_prt(isp, ISP_LOGDEBUG1, 707 "watchdog cleanup for handle 0x%x", handle); 708 XS_CMD_C_WDOG(xs); 709 isp_done(xs); 710 } else if (XS_CMD_GRACE_P(xs)) { 711 isp_prt(isp, ISP_LOGDEBUG1, 712 "watchdog timeout for handle 0x%x", handle); 713 /* 714 * Make sure the command is *really* dead before we 715 * release the handle (and DMA resources) for reuse. 716 */ 717 (void) isp_control(isp, ISPCTL_ABORT_CMD, arg); 718 719 /* 720 * After this point, the command is really dead. 721 */ 722 if (XS_XFRLEN(xs)) { 723 ISP_DMAFREE(isp, xs, handle); 724 } 725 isp_destroy_handle(isp, handle); 726 XS_SETERR(xs, XS_TIMEOUT); 727 XS_CMD_S_CLEAR(xs); 728 isp_done(xs); 729 } else { 730 uint32_t nxti, optr; 731 void *qe; 732 isp_marker_t local, *mp = &local; 733 isp_prt(isp, ISP_LOGDEBUG2, 734 "possible command timeout on handle %x", handle); 735 XS_CMD_C_WDOG(xs); 736 callout_reset(&xs->xs_callout, hz, isp_dog, xs); 737 if (isp_getrqentry(isp, &nxti, &optr, &qe)) { 738 ISP_UNLOCK(isp); 739 return; 740 } 741 XS_CMD_S_GRACE(xs); 742 MEMZERO((void *) mp, sizeof (*mp)); 743 mp->mrk_header.rqs_entry_count = 1; 744 mp->mrk_header.rqs_entry_type = RQSTYPE_MARKER; 745 mp->mrk_modifier = SYNC_ALL; 746 mp->mrk_target = XS_CHANNEL(xs) << 7; 747 isp_put_marker(isp, mp, qe); 748 ISP_ADD_REQUEST(isp, nxti); 749 } 750 } else { 751 isp_prt(isp, ISP_LOGDEBUG0, "watchdog with no command"); 752 } 753 ISP_IUNLOCK(isp); 754 } 755 756 /* 757 * Gone Device Timer Function- when we have decided that a device has gone 758 * away, we wait a specific period of time prior to telling the OS it has 759 * gone away. 760 * 761 * This timer function fires once a second and then scans the port database 762 * for devices that are marked dead but still have a virtual target assigned. 763 * We decrement a counter for that port database entry, and when it hits zero, 764 * we tell the OS the device has gone away. 765 */ 766 static void 767 isp_gdt(void *arg) 768 { 769 ispsoftc_t *isp = arg; 770 fcportdb_t *lp; 771 int dbidx, tgt, more_to_do = 0; 772 773 isp_prt(isp, ISP_LOGDEBUG0, "GDT timer expired"); 774 ISP_LOCK(isp); 775 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 776 lp = &FCPARAM(isp)->portdb[dbidx]; 777 778 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 779 continue; 780 } 781 if (lp->ini_map_idx == 0) { 782 continue; 783 } 784 if (lp->new_reserved == 0) { 785 continue; 786 } 787 lp->new_reserved -= 1; 788 if (lp->new_reserved != 0) { 789 more_to_do++; 790 continue; 791 } 792 tgt = lp->ini_map_idx - 1; 793 FCPARAM(isp)->isp_ini_map[tgt] = 0; 794 lp->ini_map_idx = 0; 795 lp->state = FC_PORTDB_STATE_NIL; 796 isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt, 797 "Gone Device Timeout"); 798 isp_make_gone(isp, tgt); 799 } 800 if (more_to_do) { 801 callout_schedule(&isp->isp_osinfo.gdt, hz); 802 } else { 803 isp->isp_osinfo.gdt_running = 0; 804 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 805 "stopping Gone Device Timer"); 806 } 807 ISP_UNLOCK(isp); 808 } 809 810 /* 811 * Loop Down Timer Function- when loop goes down, a timer is started and 812 * and after it expires we come here and take all probational devices that 813 * the OS knows about and the tell the OS that they've gone away. 814 * 815 * We don't clear the devices out of our port database because, when loop 816 * come back up, we have to do some actual cleanup with the chip at that 817 * point (implicit PLOGO, e.g., to get the chip's port database state right). 818 */ 819 static void 820 isp_ldt(void *arg) 821 { 822 ispsoftc_t *isp = arg; 823 fcportdb_t *lp; 824 int dbidx, tgt; 825 826 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Loop Down Timer expired"); 827 ISP_LOCK(isp); 828 829 /* 830 * Notify to the OS all targets who we now consider have departed. 831 */ 832 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 833 lp = &FCPARAM(isp)->portdb[dbidx]; 834 835 if (lp->state != FC_PORTDB_STATE_PROBATIONAL) { 836 continue; 837 } 838 if (lp->ini_map_idx == 0) { 839 continue; 840 } 841 842 /* 843 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 844 */ 845 846 /* 847 * Mark that we've announced that this device is gone.... 848 */ 849 lp->reserved = 1; 850 851 /* 852 * but *don't* change the state of the entry. Just clear 853 * any target id stuff and announce to CAM that the 854 * device is gone. This way any necessary PLOGO stuff 855 * will happen when loop comes back up. 856 */ 857 858 tgt = lp->ini_map_idx - 1; 859 FCPARAM(isp)->isp_ini_map[tgt] = 0; 860 lp->ini_map_idx = 0; 861 isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt, 862 "Loop Down Timeout"); 863 isp_make_gone(isp, tgt); 864 } 865 866 /* 867 * The loop down timer has expired. Wake up the kthread 868 * to notice that fact (or make it false). 869 */ 870 isp->isp_osinfo.loop_down_time = isp->isp_osinfo.loop_down_limit+1; 871 wakeup(&isp->isp_osinfo.thread); 872 ISP_UNLOCK(isp); 873 } 874 875 static void 876 isp_make_here(ispsoftc_t *isp, int tgt) 877 { 878 isp_prt(isp, ISP_LOGINFO, "target %d has arrived", tgt); 879 } 880 881 static void 882 isp_make_gone(ispsoftc_t *isp, int tgt) 883 { 884 isp_prt(isp, ISP_LOGINFO, "target %d has departed", tgt); 885 } 886 887 static void 888 isp_fc_worker(void *arg) 889 { 890 void scsipi_run_queue(struct scsipi_channel *); 891 ispsoftc_t *isp = arg; 892 int slp = 0; 893 int s = splbio(); 894 /* 895 * The first loop is for our usage where we have yet to have 896 * gotten good fibre channel state. 897 */ 898 while (isp->isp_osinfo.thread != NULL) { 899 int sok, lb, lim; 900 901 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "checking FC state"); 902 sok = isp->isp_osinfo.mbox_sleep_ok; 903 isp->isp_osinfo.mbox_sleep_ok = 1; 904 lb = isp_fc_runstate(isp, 250000); 905 isp->isp_osinfo.mbox_sleep_ok = sok; 906 if (lb) { 907 /* 908 * Increment loop down time by the last sleep interval 909 */ 910 isp->isp_osinfo.loop_down_time += slp; 911 912 if (lb < 0) { 913 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 914 "FC loop not up (down count %d)", 915 isp->isp_osinfo.loop_down_time); 916 } else { 917 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 918 "FC got to %d (down count %d)", 919 lb, isp->isp_osinfo.loop_down_time); 920 } 921 922 923 /* 924 * If we've never seen loop up and we've waited longer 925 * than quickboot time, or we've seen loop up but we've 926 * waited longer than loop_down_limit, give up and go 927 * to sleep until loop comes up. 928 */ 929 if (FCPARAM(isp)->loop_seen_once == 0) { 930 lim = isp_quickboot_time; 931 } else { 932 lim = isp->isp_osinfo.loop_down_limit; 933 } 934 if (isp->isp_osinfo.loop_down_time >= lim) { 935 /* 936 * If we're now past our limit, release 937 * the queues and let them come in and 938 * either get HBA_SELTIMOUT or cause 939 * another freeze. 940 */ 941 isp->isp_osinfo.blocked = 1; 942 slp = 0; 943 } else if (isp->isp_osinfo.loop_down_time < 10) { 944 slp = 1; 945 } else if (isp->isp_osinfo.loop_down_time < 30) { 946 slp = 5; 947 } else if (isp->isp_osinfo.loop_down_time < 60) { 948 slp = 10; 949 } else if (isp->isp_osinfo.loop_down_time < 120) { 950 slp = 20; 951 } else { 952 slp = 30; 953 } 954 955 } else { 956 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 957 "FC state OK"); 958 isp->isp_osinfo.loop_down_time = 0; 959 slp = 0; 960 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 961 "THAW QUEUES @ LINE %d", __LINE__); 962 scsipi_channel_thaw(&isp->isp_chanA, 1); 963 } 964 965 /* 966 * If we'd frozen the queues, unfreeze them now so that 967 * we can start getting commands. If the FC state isn't 968 * okay yet, they'll hit that in isp_start which will 969 * freeze the queues again. 970 */ 971 if (isp->isp_osinfo.blocked) { 972 isp->isp_osinfo.blocked = 0; 973 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 974 "THAW QUEUES @ LINE %d", __LINE__); 975 scsipi_channel_thaw(&isp->isp_chanA, 1); 976 } 977 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "sleep time %d", slp); 978 tsleep(&isp->isp_osinfo.thread, PRIBIO, "ispf", slp * hz); 979 980 /* 981 * If slp is zero, we're waking up for the first time after 982 * things have been okay. In this case, we set a deferral state 983 * for all commands and delay hysteresis seconds before starting 984 * the FC state evaluation. This gives the loop/fabric a chance 985 * to settle. 986 */ 987 if (slp == 0 && isp_fabric_hysteresis) { 988 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 989 "sleep hysteresis tick time %d", 990 isp_fabric_hysteresis * hz); 991 (void) tsleep(&isp_fabric_hysteresis, PRIBIO, "ispT", 992 (isp_fabric_hysteresis * hz)); 993 } 994 } 995 splx(s); 996 997 /* In case parent is waiting for us to exit. */ 998 wakeup(&isp->isp_osinfo.thread); 999 kthread_exit(0); 1000 } 1001 1002 /* 1003 * Free any associated resources prior to decommissioning and 1004 * set the card to a known state (so it doesn't wake up and kick 1005 * us when we aren't expecting it to). 1006 * 1007 * Locks are held before coming here. 1008 */ 1009 void 1010 isp_uninit(struct ispsoftc *isp) 1011 { 1012 isp_lock(isp); 1013 /* 1014 * Leave with interrupts disabled. 1015 */ 1016 ISP_DISABLE_INTS(isp); 1017 isp_unlock(isp); 1018 } 1019 1020 int 1021 isp_async(struct ispsoftc *isp, ispasync_t cmd, void *arg) 1022 { 1023 int bus, tgt; 1024 const char *msg = NULL; 1025 static const char prom[] = 1026 "PortID 0x%06x handle 0x%x role %s %s\n" 1027 " WWNN 0x%08x%08x WWPN 0x%08x%08x"; 1028 static const char prom2[] = 1029 "PortID 0x%06x handle 0x%x role %s %s tgt %u\n" 1030 " WWNN 0x%08x%08x WWPN 0x%08x%08x"; 1031 fcportdb_t *lp; 1032 1033 switch (cmd) { 1034 case ISPASYNC_NEW_TGT_PARAMS: 1035 if (IS_SCSI(isp) && isp->isp_dblev) { 1036 sdparam *sdp = isp->isp_param; 1037 int flags; 1038 struct scsipi_xfer_mode xm; 1039 1040 tgt = *((int *) arg); 1041 bus = (tgt >> 16) & 0xffff; 1042 tgt &= 0xffff; 1043 sdp += bus; 1044 flags = sdp->isp_devparam[tgt].actv_flags; 1045 1046 xm.xm_mode = 0; 1047 xm.xm_period = sdp->isp_devparam[tgt].actv_period; 1048 xm.xm_offset = sdp->isp_devparam[tgt].actv_offset; 1049 xm.xm_target = tgt; 1050 1051 if ((flags & DPARM_SYNC) && xm.xm_period && xm.xm_offset) 1052 xm.xm_mode |= PERIPH_CAP_SYNC; 1053 if (flags & DPARM_WIDE) 1054 xm.xm_mode |= PERIPH_CAP_WIDE16; 1055 if (flags & DPARM_TQING) 1056 xm.xm_mode |= PERIPH_CAP_TQING; 1057 scsipi_async_event(bus? &isp->isp_chanB : &isp->isp_chanA, 1058 ASYNC_EVENT_XFER_MODE, &xm); 1059 break; 1060 } 1061 case ISPASYNC_BUS_RESET: 1062 bus = *((int *) arg); 1063 scsipi_async_event(bus? &isp->isp_chanB : &isp->isp_chanA, 1064 ASYNC_EVENT_RESET, NULL); 1065 isp_prt(isp, ISP_LOGINFO, "SCSI bus %d reset detected", bus); 1066 break; 1067 case ISPASYNC_LIP: 1068 if (msg == NULL) { 1069 msg = "LIP Received"; 1070 } 1071 /* FALLTHROUGH */ 1072 case ISPASYNC_LOOP_RESET: 1073 if (msg == NULL) { 1074 msg = "LOOP Reset Received"; 1075 } 1076 /* FALLTHROUGH */ 1077 case ISPASYNC_LOOP_DOWN: 1078 if (msg == NULL) { 1079 msg = "Loop DOWN"; 1080 } 1081 /* 1082 * Don't do queue freezes or blockage until we have the 1083 * thread running that can unfreeze/unblock us. 1084 */ 1085 if (isp->isp_osinfo.blocked == 0) { 1086 if (isp->isp_osinfo.thread) { 1087 isp->isp_osinfo.blocked = 1; 1088 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1089 "FREEZE QUEUES @ LINE %d", __LINE__); 1090 scsipi_channel_freeze(&isp->isp_chanA, 1); 1091 } 1092 } 1093 isp_prt(isp, ISP_LOGINFO, msg); 1094 break; 1095 case ISPASYNC_LOOP_UP: 1096 /* 1097 * Let the subsequent ISPASYNC_CHANGE_NOTIFY invoke 1098 * the FC worker thread. When the FC worker thread 1099 * is done, let *it* call scsipi_channel_thaw... 1100 */ 1101 isp_prt(isp, ISP_LOGINFO, "Loop UP"); 1102 break; 1103 case ISPASYNC_DEV_ARRIVED: 1104 lp = arg; 1105 lp->reserved = 0; 1106 if ((isp->isp_role & ISP_ROLE_INITIATOR) && 1107 (lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT))) { 1108 int dbidx = lp - FCPARAM(isp)->portdb; 1109 int i; 1110 1111 for (i = 0; i < MAX_FC_TARG; i++) { 1112 if (i >= FL_ID && i <= SNS_ID) { 1113 continue; 1114 } 1115 if (FCPARAM(isp)->isp_ini_map[i] == 0) { 1116 break; 1117 } 1118 } 1119 if (i < MAX_FC_TARG) { 1120 FCPARAM(isp)->isp_ini_map[i] = dbidx + 1; 1121 lp->ini_map_idx = i + 1; 1122 } else { 1123 isp_prt(isp, ISP_LOGWARN, "out of target ids"); 1124 isp_dump_portdb(isp); 1125 } 1126 } 1127 if (lp->ini_map_idx) { 1128 tgt = lp->ini_map_idx - 1; 1129 isp_prt(isp, ISP_LOGCONFIG, prom2, 1130 lp->portid, lp->handle, 1131 roles[lp->roles], "arrived at", tgt, 1132 (uint32_t) (lp->node_wwn >> 32), 1133 (uint32_t) lp->node_wwn, 1134 (uint32_t) (lp->port_wwn >> 32), 1135 (uint32_t) lp->port_wwn); 1136 isp_make_here(isp, tgt); 1137 } else { 1138 isp_prt(isp, ISP_LOGCONFIG, prom, 1139 lp->portid, lp->handle, 1140 roles[lp->roles], "arrived", 1141 (uint32_t) (lp->node_wwn >> 32), 1142 (uint32_t) lp->node_wwn, 1143 (uint32_t) (lp->port_wwn >> 32), 1144 (uint32_t) lp->port_wwn); 1145 } 1146 break; 1147 case ISPASYNC_DEV_CHANGED: 1148 lp = arg; 1149 if (isp_change_is_bad) { 1150 lp->state = FC_PORTDB_STATE_NIL; 1151 if (lp->ini_map_idx) { 1152 tgt = lp->ini_map_idx - 1; 1153 FCPARAM(isp)->isp_ini_map[tgt] = 0; 1154 lp->ini_map_idx = 0; 1155 isp_prt(isp, ISP_LOGCONFIG, prom3, 1156 lp->portid, tgt, "change is bad"); 1157 isp_make_gone(isp, tgt); 1158 } else { 1159 isp_prt(isp, ISP_LOGCONFIG, prom, 1160 lp->portid, lp->handle, 1161 roles[lp->roles], 1162 "changed and departed", 1163 (uint32_t) (lp->node_wwn >> 32), 1164 (uint32_t) lp->node_wwn, 1165 (uint32_t) (lp->port_wwn >> 32), 1166 (uint32_t) lp->port_wwn); 1167 } 1168 } else { 1169 lp->portid = lp->new_portid; 1170 lp->roles = lp->new_roles; 1171 if (lp->ini_map_idx) { 1172 int t = lp->ini_map_idx - 1; 1173 FCPARAM(isp)->isp_ini_map[t] = 1174 (lp - FCPARAM(isp)->portdb) + 1; 1175 tgt = lp->ini_map_idx - 1; 1176 isp_prt(isp, ISP_LOGCONFIG, prom2, 1177 lp->portid, lp->handle, 1178 roles[lp->roles], "changed at", tgt, 1179 (uint32_t) (lp->node_wwn >> 32), 1180 (uint32_t) lp->node_wwn, 1181 (uint32_t) (lp->port_wwn >> 32), 1182 (uint32_t) lp->port_wwn); 1183 } else { 1184 isp_prt(isp, ISP_LOGCONFIG, prom, 1185 lp->portid, lp->handle, 1186 roles[lp->roles], "changed", 1187 (uint32_t) (lp->node_wwn >> 32), 1188 (uint32_t) lp->node_wwn, 1189 (uint32_t) (lp->port_wwn >> 32), 1190 (uint32_t) lp->port_wwn); 1191 } 1192 } 1193 break; 1194 case ISPASYNC_DEV_STAYED: 1195 lp = arg; 1196 if (lp->ini_map_idx) { 1197 tgt = lp->ini_map_idx - 1; 1198 isp_prt(isp, ISP_LOGCONFIG, prom2, 1199 lp->portid, lp->handle, 1200 roles[lp->roles], "stayed at", tgt, 1201 (uint32_t) (lp->node_wwn >> 32), 1202 (uint32_t) lp->node_wwn, 1203 (uint32_t) (lp->port_wwn >> 32), 1204 (uint32_t) lp->port_wwn); 1205 } else { 1206 isp_prt(isp, ISP_LOGCONFIG, prom, 1207 lp->portid, lp->handle, 1208 roles[lp->roles], "stayed", 1209 (uint32_t) (lp->node_wwn >> 32), 1210 (uint32_t) lp->node_wwn, 1211 (uint32_t) (lp->port_wwn >> 32), 1212 (uint32_t) lp->port_wwn); 1213 } 1214 break; 1215 case ISPASYNC_DEV_GONE: 1216 lp = arg; 1217 /* 1218 * If this has a virtual target and we haven't marked it 1219 * that we're going to have isp_gdt tell the OS it's gone, 1220 * set the isp_gdt timer running on it. 1221 * 1222 * If it isn't marked that isp_gdt is going to get rid of it, 1223 * announce that it's gone. 1224 */ 1225 if (lp->ini_map_idx && lp->reserved == 0) { 1226 lp->reserved = 1; 1227 lp->new_reserved = isp->isp_osinfo.gone_device_time; 1228 lp->state = FC_PORTDB_STATE_ZOMBIE; 1229 if (isp->isp_osinfo.gdt_running == 0) { 1230 isp->isp_osinfo.gdt_running = 1; 1231 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1232 "starting Gone Device Timer"); 1233 callout_schedule(&isp->isp_osinfo.gdt, hz); 1234 } 1235 tgt = lp->ini_map_idx - 1; 1236 isp_prt(isp, ISP_LOGCONFIG, prom2, 1237 lp->portid, lp->handle, 1238 roles[lp->roles], "gone zombie at", tgt, 1239 (uint32_t) (lp->node_wwn >> 32), 1240 (uint32_t) lp->node_wwn, 1241 (uint32_t) (lp->port_wwn >> 32), 1242 (uint32_t) lp->port_wwn); 1243 } else if (lp->reserved == 0) { 1244 isp_prt(isp, ISP_LOGCONFIG, prom, 1245 lp->portid, lp->handle, 1246 roles[lp->roles], "departed", 1247 (uint32_t) (lp->node_wwn >> 32), 1248 (uint32_t) lp->node_wwn, 1249 (uint32_t) (lp->port_wwn >> 32), 1250 (uint32_t) lp->port_wwn); 1251 } 1252 break; 1253 case ISPASYNC_CHANGE_NOTIFY: 1254 { 1255 if (arg == ISPASYNC_CHANGE_PDB) { 1256 msg = "Port Database Changed"; 1257 } else if (arg == ISPASYNC_CHANGE_SNS) { 1258 msg = "Name Server Database Changed"; 1259 } else { 1260 msg = "Other Change Notify"; 1261 } 1262 /* 1263 * If the loop down timer is running, cancel it. 1264 */ 1265 if (callout_active(&isp->isp_osinfo.ldt)) { 1266 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1267 "Stopping Loop Down Timer"); 1268 callout_stop(&isp->isp_osinfo.ldt); 1269 } 1270 isp_prt(isp, ISP_LOGINFO, msg); 1271 /* 1272 * We can set blocked here because we know it's now okay 1273 * to try and run isp_fc_runstate (in order to build loop 1274 * state). But we don't try and freeze the midlayer's queue 1275 * if we have no thread that we can wake to later unfreeze 1276 * it. 1277 */ 1278 if (isp->isp_osinfo.blocked == 0) { 1279 isp->isp_osinfo.blocked = 1; 1280 if (isp->isp_osinfo.thread) { 1281 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1282 "FREEZE QUEUES @ LINE %d", __LINE__); 1283 scsipi_channel_freeze(&isp->isp_chanA, 1); 1284 } 1285 } 1286 /* 1287 * Note that we have work for the thread to do, and 1288 * if the thread is here already, wake it up. 1289 */ 1290 if (isp->isp_osinfo.thread) { 1291 wakeup(&isp->isp_osinfo.thread); 1292 } else { 1293 isp_prt(isp, ISP_LOGDEBUG1, "no FC thread yet"); 1294 } 1295 break; 1296 } 1297 case ISPASYNC_FW_CRASH: 1298 { 1299 uint16_t mbox1, mbox6; 1300 mbox1 = ISP_READ(isp, OUTMAILBOX1); 1301 if (IS_DUALBUS(isp)) { 1302 mbox6 = ISP_READ(isp, OUTMAILBOX6); 1303 } else { 1304 mbox6 = 0; 1305 } 1306 isp_prt(isp, ISP_LOGERR, 1307 "Internal Firmware Error on bus %d @ RISC Address 0x%x", 1308 mbox6, mbox1); 1309 if (IS_FC(isp)) { 1310 if (isp->isp_osinfo.blocked == 0) { 1311 isp->isp_osinfo.blocked = 1; 1312 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, 1313 "FREEZE QUEUES @ LINE %d", __LINE__); 1314 scsipi_channel_freeze(&isp->isp_chanA, 1); 1315 } 1316 #ifdef ISP_FW_CRASH_DUMP 1317 isp_fw_dump(isp); 1318 #endif 1319 } 1320 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 1321 isp->isp_osinfo.mbox_sleep_ok = 0; 1322 isp_reinit(isp); 1323 isp->isp_osinfo.mbox_sleep_ok = mbox1; 1324 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 1325 break; 1326 } 1327 default: 1328 break; 1329 } 1330 return (0); 1331 } 1332 1333 #include <machine/stdarg.h> 1334 void 1335 isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...) 1336 { 1337 va_list ap; 1338 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 1339 return; 1340 } 1341 printf("%s: ", isp->isp_name); 1342 va_start(ap, fmt); 1343 vprintf(fmt, ap); 1344 va_end(ap); 1345 printf("\n"); 1346 } 1347 1348 void 1349 isp_lock(struct ispsoftc *isp) 1350 { 1351 int s = splbio(); 1352 if (isp->isp_osinfo.islocked++ == 0) { 1353 isp->isp_osinfo.splsaved = s; 1354 } else { 1355 splx(s); 1356 } 1357 } 1358 1359 void 1360 isp_unlock(struct ispsoftc *isp) 1361 { 1362 if (isp->isp_osinfo.islocked-- <= 1) { 1363 isp->isp_osinfo.islocked = 0; 1364 splx(isp->isp_osinfo.splsaved); 1365 } 1366 } 1367 1368 uint64_t 1369 isp_microtime_sub(struct timeval *b, struct timeval *a) 1370 { 1371 struct timeval x; 1372 uint64_t elapsed; 1373 timersub(b, a, &x); 1374 elapsed = GET_NANOSEC(&x); 1375 if (elapsed == 0) 1376 elapsed++; 1377 return (elapsed); 1378 } 1379 1380 int 1381 isp_mbox_acquire(ispsoftc_t *isp) 1382 { 1383 if (isp->isp_osinfo.mboxbsy) { 1384 return (1); 1385 } else { 1386 isp->isp_osinfo.mboxcmd_done = 0; 1387 isp->isp_osinfo.mboxbsy = 1; 1388 return (0); 1389 } 1390 } 1391 1392 void 1393 isp_mbox_wait_complete(struct ispsoftc *isp, mbreg_t *mbp) 1394 { 1395 unsigned int usecs = mbp->timeout; 1396 unsigned int maxc, olim, ilim; 1397 struct timeval start; 1398 1399 if (usecs == 0) { 1400 usecs = MBCMD_DEFAULT_TIMEOUT; 1401 } 1402 maxc = isp->isp_mbxwrk0 + 1; 1403 1404 microtime(&start); 1405 if (isp->isp_osinfo.mbox_sleep_ok) { 1406 int to; 1407 struct timeval tv; 1408 1409 tv.tv_sec = 0; 1410 tv.tv_usec = 0; 1411 for (olim = 0; olim < maxc; olim++) { 1412 tv.tv_sec += (usecs / 1000000); 1413 tv.tv_usec += (usecs % 1000000); 1414 if (tv.tv_usec >= 100000) { 1415 tv.tv_sec++; 1416 tv.tv_usec -= 1000000; 1417 } 1418 } 1419 timeradd(&tv, &start, &tv); 1420 to = hzto(&tv); 1421 if (to == 0) 1422 to = 1; 1423 1424 isp->isp_osinfo.mbox_sleep_ok = 0; 1425 isp->isp_osinfo.mbox_sleeping = 1; 1426 tsleep(&isp->isp_mbxworkp, PRIBIO, "ispmbx_sleep", to); 1427 isp->isp_osinfo.mbox_sleeping = 0; 1428 isp->isp_osinfo.mbox_sleep_ok = 1; 1429 } else { 1430 for (olim = 0; olim < maxc; olim++) { 1431 for (ilim = 0; ilim < usecs; ilim += 100) { 1432 uint32_t isr; 1433 uint16_t sema, mbox; 1434 if (isp->isp_osinfo.mboxcmd_done) { 1435 break; 1436 } 1437 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 1438 isp_intr(isp, isr, sema, mbox); 1439 if (isp->isp_osinfo.mboxcmd_done) { 1440 break; 1441 } 1442 } 1443 USEC_DELAY(100); 1444 } 1445 if (isp->isp_osinfo.mboxcmd_done) { 1446 break; 1447 } 1448 } 1449 } 1450 if (isp->isp_osinfo.mboxcmd_done == 0) { 1451 struct timeval finish, elapsed; 1452 1453 microtime(&finish); 1454 timersub(&finish, &start, &elapsed); 1455 isp_prt(isp, ISP_LOGWARN, 1456 "%s Mailbox Command (0x%x) Timeout (%uus actual)", 1457 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 1458 isp->isp_lastmbxcmd, (elapsed.tv_sec * 1000000) + 1459 elapsed.tv_usec); 1460 mbp->param[0] = MBOX_TIMEOUT; 1461 isp->isp_osinfo.mboxcmd_done = 1; 1462 } 1463 } 1464 1465 void 1466 isp_mbox_notify_done(ispsoftc_t *isp) 1467 { 1468 if (isp->isp_osinfo.mbox_sleeping) { 1469 wakeup(&isp->isp_mbxworkp); 1470 } 1471 isp->isp_osinfo.mboxcmd_done = 1; 1472 } 1473 1474 void 1475 isp_mbox_release(ispsoftc_t *isp) 1476 { 1477 isp->isp_osinfo.mboxbsy = 0; 1478 } 1479
Indexes created Wed Sep 24 14:09:57 GMT 2025