isp_netbsd.c revision 1.55
1 /* $NetBSD: isp_netbsd.c,v 1.55 2002/06/15 00:20:18 mjacob Exp $ */ 2 /* 3 * This driver, which is contained in NetBSD in the files: 4 * 5 * sys/dev/ic/isp.c 6 * sys/dev/ic/isp_inline.h 7 * sys/dev/ic/isp_netbsd.c 8 * sys/dev/ic/isp_netbsd.h 9 * sys/dev/ic/isp_target.c 10 * sys/dev/ic/isp_target.h 11 * sys/dev/ic/isp_tpublic.h 12 * sys/dev/ic/ispmbox.h 13 * sys/dev/ic/ispreg.h 14 * sys/dev/ic/ispvar.h 15 * sys/microcode/isp/asm_sbus.h 16 * sys/microcode/isp/asm_1040.h 17 * sys/microcode/isp/asm_1080.h 18 * sys/microcode/isp/asm_12160.h 19 * sys/microcode/isp/asm_2100.h 20 * sys/microcode/isp/asm_2200.h 21 * sys/pci/isp_pci.c 22 * sys/sbus/isp_sbus.c 23 * 24 * Is being actively maintained by Matthew Jacob (mjacob (at) netbsd.org). 25 * This driver also is shared source with FreeBSD, OpenBSD, Linux, Solaris, 26 * Linux versions. This tends to be an interesting maintenance problem. 27 * 28 * Please coordinate with Matthew Jacob on changes you wish to make here. 29 */ 30 /* 31 * Platform (NetBSD) dependent common attachment code for Qlogic adapters. 32 * Matthew Jacob <mjacob (at) nas.nasa.gov> 33 */ 34 /* 35 * Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration 36 * All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. The name of the author may not be used to endorse or promote products 47 * derived from this software without specific prior written permission 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 50 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 51 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 52 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 53 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 54 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 55 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 56 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 57 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 58 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 59 */ 60 61 #include <sys/cdefs.h> 62 __KERNEL_RCSID(0, "$NetBSD: isp_netbsd.c,v 1.55 2002/06/15 00:20:18 mjacob Exp $"); 63 64 #include <dev/ic/isp_netbsd.h> 65 #include <sys/scsiio.h> 66 67 68 /* 69 * Set a timeout for the watchdogging of a command. 70 * 71 * The dimensional analysis is 72 * 73 * milliseconds * (seconds/millisecond) * (ticks/second) = ticks 74 * 75 * = 76 * 77 * (milliseconds / 1000) * hz = ticks 78 * 79 * 80 * For timeouts less than 1 second, we'll get zero. Because of this, and 81 * because we want to establish *our* timeout to be longer than what the 82 * firmware might do, we just add 3 seconds at the back end. 83 */ 84 #define _XT(xs) ((((xs)->timeout/1000) * hz) + (3 * hz)) 85 86 static void isp_config_interrupts(struct device *); 87 static void ispminphys_1020(struct buf *); 88 static void ispminphys(struct buf *); 89 static INLINE void ispcmd(struct ispsoftc *, XS_T *); 90 static void isprequest(struct scsipi_channel *, scsipi_adapter_req_t, void *); 91 static int 92 ispioctl(struct scsipi_channel *, u_long, caddr_t, int, struct proc *); 93 94 static void isp_polled_cmd(struct ispsoftc *, XS_T *); 95 static void isp_dog(void *); 96 static void isp_create_fc_worker(void *); 97 static void isp_fc_worker(void *); 98 99 /* 100 * Complete attachment of hardware, include subdevices. 101 */ 102 void 103 isp_attach(struct ispsoftc *isp) 104 { 105 isp->isp_state = ISP_RUNSTATE; 106 107 isp->isp_osinfo._adapter.adapt_dev = &isp->isp_osinfo._dev; 108 isp->isp_osinfo._adapter.adapt_nchannels = IS_DUALBUS(isp) ? 2 : 1; 109 isp->isp_osinfo._adapter.adapt_openings = isp->isp_maxcmds; 110 /* 111 * It's not stated whether max_periph is limited by SPI 112 * tag uage, but let's assume that it is. 113 */ 114 isp->isp_osinfo._adapter.adapt_max_periph = min(isp->isp_maxcmds, 255); 115 isp->isp_osinfo._adapter.adapt_ioctl = ispioctl; 116 isp->isp_osinfo._adapter.adapt_request = isprequest; 117 if (isp->isp_type <= ISP_HA_SCSI_1020A) { 118 isp->isp_osinfo._adapter.adapt_minphys = ispminphys_1020; 119 } else { 120 isp->isp_osinfo._adapter.adapt_minphys = ispminphys; 121 } 122 123 isp->isp_osinfo._chan.chan_adapter = &isp->isp_osinfo._adapter; 124 isp->isp_osinfo._chan.chan_bustype = &scsi_bustype; 125 isp->isp_osinfo._chan.chan_channel = 0; 126 127 /* 128 * Until the midlayer is fixed to use REPORT LUNS, limit to 8 luns. 129 */ 130 isp->isp_osinfo._chan.chan_nluns = min(isp->isp_maxluns, 8); 131 132 if (IS_FC(isp)) { 133 isp->isp_osinfo._chan.chan_ntargets = MAX_FC_TARG; 134 isp->isp_osinfo._chan.chan_id = MAX_FC_TARG; 135 isp->isp_osinfo.threadwork = 1; 136 /* 137 * Note that isp_create_fc_worker won't get called 138 * until much much later (after proc0 is created). 139 */ 140 kthread_create(isp_create_fc_worker, isp); 141 #ifdef ISP_FW_CRASH_DUMP 142 if (IS_2200(isp)) { 143 FCPARAM(isp)->isp_dump_data = 144 malloc(QLA2200_RISC_IMAGE_DUMP_SIZE, M_DEVBUF, 145 M_NOWAIT); 146 } else if (IS_23XX(isp)) { 147 FCPARAM(isp)->isp_dump_data = 148 malloc(QLA2300_RISC_IMAGE_DUMP_SIZE, M_DEVBUF, 149 M_NOWAIT); 150 } 151 if (FCPARAM(isp)->isp_dump_data) 152 FCPARAM(isp)->isp_dump_data[0] = 0; 153 #endif 154 } else { 155 int bus = 0; 156 sdparam *sdp = isp->isp_param; 157 158 isp->isp_osinfo._chan.chan_ntargets = MAX_TARGETS; 159 isp->isp_osinfo._chan.chan_id = sdp->isp_initiator_id; 160 isp->isp_osinfo.discovered[0] = 1 << sdp->isp_initiator_id; 161 if (IS_DUALBUS(isp)) { 162 isp->isp_osinfo._chan_b = isp->isp_osinfo._chan; 163 sdp++; 164 isp->isp_osinfo.discovered[1] = 165 1 << sdp->isp_initiator_id; 166 isp->isp_osinfo._chan_b.chan_id = sdp->isp_initiator_id; 167 isp->isp_osinfo._chan_b.chan_channel = 1; 168 } 169 ISP_LOCK(isp); 170 (void) isp_control(isp, ISPCTL_RESET_BUS, &bus); 171 if (IS_DUALBUS(isp)) { 172 bus++; 173 (void) isp_control(isp, ISPCTL_RESET_BUS, &bus); 174 } 175 ISP_UNLOCK(isp); 176 } 177 178 179 /* 180 * Defer enabling mailbox interrupts until later. 181 */ 182 config_interrupts((struct device *) isp, isp_config_interrupts); 183 184 /* 185 * And attach children (if any). 186 */ 187 config_found((void *)isp, &isp->isp_chanA, scsiprint); 188 if (IS_DUALBUS(isp)) { 189 config_found((void *)isp, &isp->isp_chanB, scsiprint); 190 } 191 } 192 193 194 static void 195 isp_config_interrupts(struct device *self) 196 { 197 struct ispsoftc *isp = (struct ispsoftc *) self; 198 199 /* 200 * After this point, we'll be doing the new configuration 201 * schema which allows interrups, so we can do tsleep/wakeup 202 * for mailbox stuff at that point. 203 */ 204 isp->isp_osinfo.no_mbox_ints = 0; 205 } 206 207 208 /* 209 * minphys our xfers 210 */ 211 212 static void 213 ispminphys_1020(struct buf *bp) 214 { 215 if (bp->b_bcount >= (1 << 24)) { 216 bp->b_bcount = (1 << 24); 217 } 218 minphys(bp); 219 } 220 221 static void 222 ispminphys(struct buf *bp) 223 { 224 if (bp->b_bcount >= (1 << 30)) { 225 bp->b_bcount = (1 << 30); 226 } 227 minphys(bp); 228 } 229 230 static int 231 ispioctl(struct scsipi_channel *chan, u_long cmd, caddr_t addr, int flag, 232 struct proc *p) 233 { 234 struct ispsoftc *isp = (void *)chan->chan_adapter->adapt_dev; 235 int retval = ENOTTY; 236 237 switch (cmd) { 238 #ifdef ISP_FW_CRASH_DUMP 239 case ISP_GET_FW_CRASH_DUMP: 240 { 241 u_int16_t *ptr = FCPARAM(isp)->isp_dump_data; 242 size_t sz; 243 244 retval = 0; 245 if (IS_2200(isp)) 246 sz = QLA2200_RISC_IMAGE_DUMP_SIZE; 247 else 248 sz = QLA2300_RISC_IMAGE_DUMP_SIZE; 249 ISP_LOCK(isp); 250 if (ptr && *ptr) { 251 void *uaddr = *((void **) addr); 252 if (copyout(ptr, uaddr, sz)) { 253 retval = EFAULT; 254 } else { 255 *ptr = 0; 256 } 257 } else { 258 retval = ENXIO; 259 } 260 ISP_UNLOCK(isp); 261 break; 262 } 263 264 case ISP_FORCE_CRASH_DUMP: 265 ISP_LOCK(isp); 266 if (isp->isp_osinfo.blocked == 0) { 267 isp->isp_osinfo.blocked = 1; 268 scsipi_channel_freeze(&isp->isp_chanA, 1); 269 } 270 isp_fw_dump(isp); 271 isp_reinit(isp); 272 ISP_UNLOCK(isp); 273 retval = 0; 274 break; 275 #endif 276 case ISP_SDBLEV: 277 { 278 int olddblev = isp->isp_dblev; 279 isp->isp_dblev = *(int *)addr; 280 *(int *)addr = olddblev; 281 retval = 0; 282 break; 283 } 284 case ISP_RESETHBA: 285 ISP_LOCK(isp); 286 isp_reinit(isp); 287 ISP_UNLOCK(isp); 288 retval = 0; 289 break; 290 case ISP_RESCAN: 291 if (IS_FC(isp)) { 292 ISP_LOCK(isp); 293 if (isp_fc_runstate(isp, 5 * 1000000)) { 294 retval = EIO; 295 } else { 296 retval = 0; 297 } 298 ISP_UNLOCK(isp); 299 } 300 break; 301 case ISP_FC_LIP: 302 if (IS_FC(isp)) { 303 ISP_LOCK(isp); 304 if (isp_control(isp, ISPCTL_SEND_LIP, 0)) { 305 retval = EIO; 306 } else { 307 retval = 0; 308 } 309 ISP_UNLOCK(isp); 310 } 311 break; 312 case ISP_FC_GETDINFO: 313 { 314 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 315 struct lportdb *lp; 316 317 if (ifc->loopid < 0 || ifc->loopid >= MAX_FC_TARG) { 318 retval = EINVAL; 319 break; 320 } 321 ISP_LOCK(isp); 322 lp = &FCPARAM(isp)->portdb[ifc->loopid]; 323 if (lp->valid) { 324 ifc->loopid = lp->loopid; 325 ifc->portid = lp->portid; 326 ifc->node_wwn = lp->node_wwn; 327 ifc->port_wwn = lp->port_wwn; 328 retval = 0; 329 } else { 330 retval = ENODEV; 331 } 332 ISP_UNLOCK(isp); 333 break; 334 } 335 case ISP_GET_STATS: 336 { 337 isp_stats_t *sp = (isp_stats_t *) addr; 338 339 MEMZERO(sp, sizeof (*sp)); 340 sp->isp_stat_version = ISP_STATS_VERSION; 341 sp->isp_type = isp->isp_type; 342 sp->isp_revision = isp->isp_revision; 343 ISP_LOCK(isp); 344 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 345 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 346 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 347 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 348 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 349 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 350 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 351 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 352 ISP_UNLOCK(isp); 353 retval = 0; 354 break; 355 } 356 case ISP_CLR_STATS: 357 ISP_LOCK(isp); 358 isp->isp_intcnt = 0; 359 isp->isp_intbogus = 0; 360 isp->isp_intmboxc = 0; 361 isp->isp_intoasync = 0; 362 isp->isp_rsltccmplt = 0; 363 isp->isp_fphccmplt = 0; 364 isp->isp_rscchiwater = 0; 365 isp->isp_fpcchiwater = 0; 366 ISP_UNLOCK(isp); 367 retval = 0; 368 break; 369 case ISP_FC_GETHINFO: 370 { 371 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 372 MEMZERO(hba, sizeof (*hba)); 373 ISP_LOCK(isp); 374 hba->fc_speed = FCPARAM(isp)->isp_gbspeed; 375 hba->fc_scsi_supported = 1; 376 hba->fc_topology = FCPARAM(isp)->isp_topo + 1; 377 hba->fc_loopid = FCPARAM(isp)->isp_loopid; 378 hba->active_node_wwn = FCPARAM(isp)->isp_nodewwn; 379 hba->active_port_wwn = FCPARAM(isp)->isp_portwwn; 380 ISP_UNLOCK(isp); 381 break; 382 } 383 case SCBUSIORESET: 384 ISP_LOCK(isp); 385 if (isp_control(isp, ISPCTL_RESET_BUS, &chan->chan_channel)) 386 retval = EIO; 387 else 388 retval = 0; 389 ISP_UNLOCK(isp); 390 break; 391 default: 392 break; 393 } 394 return (retval); 395 } 396 397 static INLINE void 398 ispcmd(struct ispsoftc *isp, XS_T *xs) 399 { 400 ISP_LOCK(isp); 401 if (isp->isp_state < ISP_RUNSTATE) { 402 DISABLE_INTS(isp); 403 isp_init(isp); 404 if (isp->isp_state != ISP_INITSTATE) { 405 ENABLE_INTS(isp); 406 ISP_UNLOCK(isp); 407 XS_SETERR(xs, HBA_BOTCH); 408 scsipi_done(xs); 409 return; 410 } 411 isp->isp_state = ISP_RUNSTATE; 412 ENABLE_INTS(isp); 413 } 414 /* 415 * Handle the case of a FC card where the FC thread hasn't 416 * fired up yet and we have loop state to clean up. If we 417 * can't clear things up and we've never seen loop up, bounce 418 * the command. 419 */ 420 if (IS_FC(isp) && isp->isp_osinfo.threadwork && 421 isp->isp_osinfo.thread == 0) { 422 volatile u_int8_t ombi = isp->isp_osinfo.no_mbox_ints; 423 int delay_time; 424 425 if (xs->xs_control & XS_CTL_POLL) { 426 isp->isp_osinfo.no_mbox_ints = 1; 427 } 428 429 if (isp->isp_osinfo.loop_checked == 0) { 430 delay_time = 10 * 1000000; 431 isp->isp_osinfo.loop_checked = 1; 432 } else { 433 delay_time = 250000; 434 } 435 436 if (isp_fc_runstate(isp, delay_time) != 0) { 437 if (xs->xs_control & XS_CTL_POLL) { 438 isp->isp_osinfo.no_mbox_ints = ombi; 439 } 440 if (FCPARAM(isp)->loop_seen_once == 0) { 441 XS_SETERR(xs, HBA_SELTIMEOUT); 442 scsipi_done(xs); 443 ISP_UNLOCK(isp); 444 return; 445 } 446 /* 447 * Otherwise, fall thru to be queued up for later. 448 */ 449 } else { 450 int wasblocked = 451 (isp->isp_osinfo.blocked || isp->isp_osinfo.paused); 452 isp->isp_osinfo.threadwork = 0; 453 isp->isp_osinfo.blocked = 454 isp->isp_osinfo.paused = 0; 455 if (wasblocked) { 456 scsipi_channel_thaw(&isp->isp_chanA, 1); 457 } 458 } 459 if (xs->xs_control & XS_CTL_POLL) { 460 isp->isp_osinfo.no_mbox_ints = ombi; 461 } 462 } 463 464 if (isp->isp_osinfo.paused) { 465 isp_prt(isp, ISP_LOGWARN, "I/O while paused"); 466 xs->error = XS_RESOURCE_SHORTAGE; 467 scsipi_done(xs); 468 ISP_UNLOCK(isp); 469 return; 470 } 471 if (isp->isp_osinfo.blocked) { 472 isp_prt(isp, ISP_LOGWARN, "I/O while blocked"); 473 xs->error = XS_REQUEUE; 474 scsipi_done(xs); 475 ISP_UNLOCK(isp); 476 return; 477 } 478 479 if (xs->xs_control & XS_CTL_POLL) { 480 volatile u_int8_t ombi = isp->isp_osinfo.no_mbox_ints; 481 isp->isp_osinfo.no_mbox_ints = 1; 482 isp_polled_cmd(isp, xs); 483 isp->isp_osinfo.no_mbox_ints = ombi; 484 ISP_UNLOCK(isp); 485 return; 486 } 487 488 switch (isp_start(xs)) { 489 case CMD_QUEUED: 490 if (xs->timeout) { 491 callout_reset(&xs->xs_callout, _XT(xs), isp_dog, xs); 492 } 493 break; 494 case CMD_EAGAIN: 495 isp->isp_osinfo.paused = 1; 496 xs->error = XS_RESOURCE_SHORTAGE; 497 scsipi_channel_freeze(&isp->isp_chanA, 1); 498 if (IS_DUALBUS(isp)) { 499 scsipi_channel_freeze(&isp->isp_chanB, 1); 500 } 501 scsipi_done(xs); 502 break; 503 case CMD_RQLATER: 504 /* 505 * We can only get RQLATER from FC devices (1 channel only) 506 * 507 * Also, if we've never seen loop up, bounce the command 508 * (somebody has booted with no FC cable connected) 509 */ 510 if (FCPARAM(isp)->loop_seen_once == 0) { 511 XS_SETERR(xs, HBA_SELTIMEOUT); 512 scsipi_done(xs); 513 break; 514 } 515 if (isp->isp_osinfo.blocked == 0) { 516 isp->isp_osinfo.blocked = 1; 517 scsipi_channel_freeze(&isp->isp_chanA, 1); 518 } 519 xs->error = XS_REQUEUE; 520 scsipi_done(xs); 521 break; 522 case CMD_COMPLETE: 523 scsipi_done(xs); 524 break; 525 } 526 ISP_UNLOCK(isp); 527 } 528 529 static void 530 isprequest(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 531 { 532 struct ispsoftc *isp = (void *)chan->chan_adapter->adapt_dev; 533 534 switch (req) { 535 case ADAPTER_REQ_RUN_XFER: 536 ispcmd(isp, (XS_T *) arg); 537 break; 538 539 case ADAPTER_REQ_GROW_RESOURCES: 540 /* Not supported. */ 541 break; 542 543 case ADAPTER_REQ_SET_XFER_MODE: 544 if (IS_SCSI(isp)) { 545 struct scsipi_xfer_mode *xm = arg; 546 int dflags = 0; 547 sdparam *sdp = SDPARAM(isp); 548 549 sdp += chan->chan_channel; 550 if (xm->xm_mode & PERIPH_CAP_TQING) 551 dflags |= DPARM_TQING; 552 if (xm->xm_mode & PERIPH_CAP_WIDE16) 553 dflags |= DPARM_WIDE; 554 if (xm->xm_mode & PERIPH_CAP_SYNC) 555 dflags |= DPARM_SYNC; 556 ISP_LOCK(isp); 557 sdp->isp_devparam[xm->xm_target].goal_flags |= dflags; 558 dflags = sdp->isp_devparam[xm->xm_target].goal_flags; 559 sdp->isp_devparam[xm->xm_target].dev_update = 1; 560 isp->isp_update |= (1 << chan->chan_channel); 561 ISP_UNLOCK(isp); 562 isp_prt(isp, ISP_LOGDEBUG1, 563 "ispioctl: device flags 0x%x for %d.%d.X", 564 dflags, chan->chan_channel, xm->xm_target); 565 break; 566 } 567 default: 568 break; 569 } 570 } 571 572 static void 573 isp_polled_cmd(struct ispsoftc *isp, XS_T *xs) 574 { 575 int result; 576 int infinite = 0, mswait; 577 578 result = isp_start(xs); 579 580 switch (result) { 581 case CMD_QUEUED: 582 break; 583 case CMD_RQLATER: 584 if (XS_NOERR(xs)) { 585 xs->error = XS_REQUEUE; 586 } 587 case CMD_EAGAIN: 588 if (XS_NOERR(xs)) { 589 xs->error = XS_RESOURCE_SHORTAGE; 590 } 591 /* FALLTHROUGH */ 592 case CMD_COMPLETE: 593 scsipi_done(xs); 594 return; 595 596 } 597 598 /* 599 * If we can't use interrupts, poll on completion. 600 */ 601 if ((mswait = XS_TIME(xs)) == 0) 602 infinite = 1; 603 604 while (mswait || infinite) { 605 u_int16_t isr, sema, mbox; 606 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 607 isp_intr(isp, isr, sema, mbox); 608 if (XS_CMD_DONE_P(xs)) { 609 break; 610 } 611 } 612 USEC_DELAY(1000); 613 mswait -= 1; 614 } 615 616 /* 617 * If no other error occurred but we didn't finish, 618 * something bad happened. 619 */ 620 if (XS_CMD_DONE_P(xs) == 0) { 621 if (isp_control(isp, ISPCTL_ABORT_CMD, xs)) { 622 isp_reinit(isp); 623 } 624 if (XS_NOERR(xs)) { 625 XS_SETERR(xs, HBA_BOTCH); 626 } 627 } 628 scsipi_done(xs); 629 } 630 631 void 632 isp_done(XS_T *xs) 633 { 634 XS_CMD_S_DONE(xs); 635 if (XS_CMD_WDOG_P(xs) == 0) { 636 struct ispsoftc *isp = XS_ISP(xs); 637 callout_stop(&xs->xs_callout); 638 if (XS_CMD_GRACE_P(xs)) { 639 isp_prt(isp, ISP_LOGDEBUG1, 640 "finished command on borrowed time"); 641 } 642 XS_CMD_S_CLEAR(xs); 643 /* 644 * Fixup- if we get a QFULL, we need 645 * to set XS_BUSY as the error. 646 */ 647 if (xs->status == SCSI_QUEUE_FULL) { 648 xs->error = XS_BUSY; 649 } 650 if (isp->isp_osinfo.paused) { 651 isp->isp_osinfo.paused = 0; 652 scsipi_channel_timed_thaw(&isp->isp_chanA); 653 if (IS_DUALBUS(isp)) { 654 scsipi_channel_timed_thaw(&isp->isp_chanB); 655 } 656 } 657 scsipi_done(xs); 658 } 659 } 660 661 static void 662 isp_dog(void *arg) 663 { 664 XS_T *xs = arg; 665 struct ispsoftc *isp = XS_ISP(xs); 666 u_int16_t handle; 667 668 ISP_ILOCK(isp); 669 /* 670 * We've decided this command is dead. Make sure we're not trying 671 * to kill a command that's already dead by getting it's handle and 672 * and seeing whether it's still alive. 673 */ 674 handle = isp_find_handle(isp, xs); 675 if (handle) { 676 u_int16_t isr, mbox, sema; 677 678 if (XS_CMD_DONE_P(xs)) { 679 isp_prt(isp, ISP_LOGDEBUG1, 680 "watchdog found done cmd (handle 0x%x)", handle); 681 ISP_IUNLOCK(isp); 682 return; 683 } 684 685 if (XS_CMD_WDOG_P(xs)) { 686 isp_prt(isp, ISP_LOGDEBUG1, 687 "recursive watchdog (handle 0x%x)", handle); 688 ISP_IUNLOCK(isp); 689 return; 690 } 691 692 XS_CMD_S_WDOG(xs); 693 694 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 695 isp_intr(isp, isr, sema, mbox); 696 697 } 698 if (XS_CMD_DONE_P(xs)) { 699 isp_prt(isp, ISP_LOGDEBUG1, 700 "watchdog cleanup for handle 0x%x", handle); 701 XS_CMD_C_WDOG(xs); 702 isp_done(xs); 703 } else if (XS_CMD_GRACE_P(xs)) { 704 isp_prt(isp, ISP_LOGDEBUG1, 705 "watchdog timeout for handle 0x%x", handle); 706 /* 707 * Make sure the command is *really* dead before we 708 * release the handle (and DMA resources) for reuse. 709 */ 710 (void) isp_control(isp, ISPCTL_ABORT_CMD, arg); 711 712 /* 713 * After this point, the comamnd is really dead. 714 */ 715 if (XS_XFRLEN(xs)) { 716 ISP_DMAFREE(isp, xs, handle); 717 } 718 isp_destroy_handle(isp, handle); 719 XS_SETERR(xs, XS_TIMEOUT); 720 XS_CMD_S_CLEAR(xs); 721 isp_done(xs); 722 } else { 723 u_int16_t nxti, optr; 724 ispreq_t local, *mp = &local, *qe; 725 isp_prt(isp, ISP_LOGDEBUG2, 726 "possible command timeout on handle %x", handle); 727 XS_CMD_C_WDOG(xs); 728 callout_reset(&xs->xs_callout, hz, isp_dog, xs); 729 if (isp_getrqentry(isp, &nxti, &optr, (void **) &qe)) { 730 ISP_UNLOCK(isp); 731 return; 732 } 733 XS_CMD_S_GRACE(xs); 734 MEMZERO((void *) mp, sizeof (*mp)); 735 mp->req_header.rqs_entry_count = 1; 736 mp->req_header.rqs_entry_type = RQSTYPE_MARKER; 737 mp->req_modifier = SYNC_ALL; 738 mp->req_target = XS_CHANNEL(xs) << 7; 739 isp_put_request(isp, mp, qe); 740 ISP_ADD_REQUEST(isp, nxti); 741 } 742 } else { 743 isp_prt(isp, ISP_LOGDEBUG0, "watchdog with no command"); 744 } 745 ISP_IUNLOCK(isp); 746 } 747 748 /* 749 * Fibre Channel state cleanup thread 750 */ 751 static void 752 isp_create_fc_worker(void *arg) 753 { 754 struct ispsoftc *isp = arg; 755 756 if (kthread_create1(isp_fc_worker, isp, &isp->isp_osinfo.thread, 757 "%s:fc_thrd", isp->isp_name)) { 758 isp_prt(isp, ISP_LOGERR, "unable to create FC worker thread"); 759 panic("isp_create_fc_worker"); 760 } 761 762 } 763 764 static void 765 isp_fc_worker(void *arg) 766 { 767 void scsipi_run_queue(struct scsipi_channel *); 768 struct ispsoftc *isp = arg; 769 770 for (;;) { 771 int s; 772 773 /* 774 * Note we do *not* use the ISP_LOCK/ISP_UNLOCK macros here. 775 */ 776 s = splbio(); 777 while (isp->isp_osinfo.threadwork) { 778 isp->isp_osinfo.threadwork = 0; 779 if (isp_fc_runstate(isp, 10 * 1000000) == 0) { 780 break; 781 } 782 if (isp->isp_osinfo.loop_checked && 783 FCPARAM(isp)->loop_seen_once == 0) { 784 splx(s); 785 goto skip; 786 } 787 isp->isp_osinfo.threadwork = 1; 788 splx(s); 789 delay(500 * 1000); 790 s = splbio(); 791 } 792 if (FCPARAM(isp)->isp_fwstate != FW_READY || 793 FCPARAM(isp)->isp_loopstate != LOOP_READY) { 794 isp_prt(isp, ISP_LOGINFO, "isp_fc_runstate in vain"); 795 isp->isp_osinfo.threadwork = 1; 796 splx(s); 797 continue; 798 } 799 800 if (isp->isp_osinfo.blocked) { 801 isp->isp_osinfo.blocked = 0; 802 isp_prt(isp, ISP_LOGDEBUG0, 803 "restarting queues (freeze count %d)", 804 isp->isp_chanA.chan_qfreeze); 805 scsipi_channel_thaw(&isp->isp_chanA, 1); 806 } 807 808 if (isp->isp_osinfo.thread == NULL) 809 break; 810 811 skip: 812 (void) tsleep(&isp->isp_osinfo.thread, PRIBIO, "fcclnup", 0); 813 814 splx(s); 815 } 816 817 /* In case parent is waiting for us to exit. */ 818 wakeup(&isp->isp_osinfo.thread); 819 820 kthread_exit(0); 821 } 822 823 /* 824 * Free any associated resources prior to decommissioning and 825 * set the card to a known state (so it doesn't wake up and kick 826 * us when we aren't expecting it to). 827 * 828 * Locks are held before coming here. 829 */ 830 void 831 isp_uninit(struct ispsoftc *isp) 832 { 833 isp_lock(isp); 834 /* 835 * Leave with interrupts disabled. 836 */ 837 DISABLE_INTS(isp); 838 isp_unlock(isp); 839 } 840 841 int 842 isp_async(struct ispsoftc *isp, ispasync_t cmd, void *arg) 843 { 844 int bus, tgt; 845 846 switch (cmd) { 847 case ISPASYNC_NEW_TGT_PARAMS: 848 if (IS_SCSI(isp) && isp->isp_dblev) { 849 sdparam *sdp = isp->isp_param; 850 int flags; 851 struct scsipi_xfer_mode xm; 852 853 tgt = *((int *) arg); 854 bus = (tgt >> 16) & 0xffff; 855 tgt &= 0xffff; 856 sdp += bus; 857 flags = sdp->isp_devparam[tgt].actv_flags; 858 859 xm.xm_mode = 0; 860 xm.xm_period = sdp->isp_devparam[tgt].actv_period; 861 xm.xm_offset = sdp->isp_devparam[tgt].actv_offset; 862 xm.xm_target = tgt; 863 864 if ((flags & DPARM_SYNC) && xm.xm_period && xm.xm_offset) 865 xm.xm_mode |= PERIPH_CAP_SYNC; 866 if (flags & DPARM_WIDE) 867 xm.xm_mode |= PERIPH_CAP_WIDE16; 868 if (flags & DPARM_TQING) 869 xm.xm_mode |= PERIPH_CAP_TQING; 870 scsipi_async_event(bus? &isp->isp_chanB : &isp->isp_chanA, 871 ASYNC_EVENT_XFER_MODE, &xm); 872 break; 873 } 874 case ISPASYNC_BUS_RESET: 875 bus = *((int *) arg); 876 scsipi_async_event(bus? &isp->isp_chanB : &isp->isp_chanA, 877 ASYNC_EVENT_RESET, NULL); 878 isp_prt(isp, ISP_LOGINFO, "SCSI bus %d reset detected", bus); 879 break; 880 case ISPASYNC_LIP: 881 /* 882 * Don't do queue freezes or blockage until we have the 883 * thread running that can unfreeze/unblock us. 884 */ 885 if (isp->isp_osinfo.blocked == 0) { 886 if (isp->isp_osinfo.thread) { 887 isp->isp_osinfo.blocked = 1; 888 scsipi_channel_freeze(&isp->isp_chanA, 1); 889 } 890 } 891 isp_prt(isp, ISP_LOGINFO, "LIP Received"); 892 break; 893 case ISPASYNC_LOOP_RESET: 894 /* 895 * Don't do queue freezes or blockage until we have the 896 * thread running that can unfreeze/unblock us. 897 */ 898 if (isp->isp_osinfo.blocked == 0) { 899 if (isp->isp_osinfo.thread) { 900 isp->isp_osinfo.blocked = 1; 901 scsipi_channel_freeze(&isp->isp_chanA, 1); 902 } 903 } 904 isp_prt(isp, ISP_LOGINFO, "Loop Reset Received"); 905 break; 906 case ISPASYNC_LOOP_DOWN: 907 /* 908 * Don't do queue freezes or blockage until we have the 909 * thread running that can unfreeze/unblock us. 910 */ 911 if (isp->isp_osinfo.blocked == 0) { 912 if (isp->isp_osinfo.thread) { 913 isp->isp_osinfo.blocked = 1; 914 scsipi_channel_freeze(&isp->isp_chanA, 1); 915 } 916 } 917 isp_prt(isp, ISP_LOGINFO, "Loop DOWN"); 918 break; 919 case ISPASYNC_LOOP_UP: 920 /* 921 * Let the subsequent ISPASYNC_CHANGE_NOTIFY invoke 922 * the FC worker thread. When the FC worker thread 923 * is done, let *it* call scsipi_channel_thaw... 924 */ 925 isp_prt(isp, ISP_LOGINFO, "Loop UP"); 926 break; 927 case ISPASYNC_PROMENADE: 928 if (IS_FC(isp) && isp->isp_dblev) { 929 static const char fmt[] = "Target %d (Loop 0x%x) Port ID 0x%x " 930 "(role %s) %s\n Port WWN 0x%08x%08x\n Node WWN 0x%08x%08x"; 931 const static char *const roles[4] = { 932 "None", "Target", "Initiator", "Target/Initiator" 933 }; 934 fcparam *fcp = isp->isp_param; 935 int tgt = *((int *) arg); 936 struct lportdb *lp = &fcp->portdb[tgt]; 937 938 isp_prt(isp, ISP_LOGINFO, fmt, tgt, lp->loopid, lp->portid, 939 roles[lp->roles & 0x3], 940 (lp->valid)? "Arrived" : "Departed", 941 (u_int32_t) (lp->port_wwn >> 32), 942 (u_int32_t) (lp->port_wwn & 0xffffffffLL), 943 (u_int32_t) (lp->node_wwn >> 32), 944 (u_int32_t) (lp->node_wwn & 0xffffffffLL)); 945 break; 946 } 947 case ISPASYNC_CHANGE_NOTIFY: 948 if (arg == ISPASYNC_CHANGE_PDB) { 949 isp_prt(isp, ISP_LOGINFO, "Port Database Changed"); 950 } else if (arg == ISPASYNC_CHANGE_SNS) { 951 isp_prt(isp, ISP_LOGINFO, 952 "Name Server Database Changed"); 953 } 954 955 /* 956 * We can set blocked here because we know it's now okay 957 * to try and run isp_fc_runstate (in order to build loop 958 * state). But we don't try and freeze the midlayer's queue 959 * if we have no thread that we can wake to later unfreeze 960 * it. 961 */ 962 if (isp->isp_osinfo.blocked == 0) { 963 isp->isp_osinfo.blocked = 1; 964 if (isp->isp_osinfo.thread) { 965 scsipi_channel_freeze(&isp->isp_chanA, 1); 966 } 967 } 968 /* 969 * Note that we have work for the thread to do, and 970 * if the thread is here already, wake it up. 971 */ 972 isp->isp_osinfo.threadwork++; 973 if (isp->isp_osinfo.thread) { 974 wakeup(&isp->isp_osinfo.thread); 975 } else { 976 isp_prt(isp, ISP_LOGDEBUG1, "no FC thread yet"); 977 } 978 break; 979 case ISPASYNC_FABRIC_DEV: 980 { 981 int target, base, lim; 982 fcparam *fcp = isp->isp_param; 983 struct lportdb *lp = NULL; 984 struct lportdb *clp = (struct lportdb *) arg; 985 char *pt; 986 987 switch (clp->port_type) { 988 case 1: 989 pt = " N_Port"; 990 break; 991 case 2: 992 pt = " NL_Port"; 993 break; 994 case 3: 995 pt = "F/NL_Port"; 996 break; 997 case 0x7f: 998 pt = " Nx_Port"; 999 break; 1000 case 0x81: 1001 pt = " F_port"; 1002 break; 1003 case 0x82: 1004 pt = " FL_Port"; 1005 break; 1006 case 0x84: 1007 pt = " E_port"; 1008 break; 1009 default: 1010 pt = " "; 1011 break; 1012 } 1013 1014 isp_prt(isp, ISP_LOGINFO, 1015 "%s Fabric Device @ PortID 0x%x", pt, clp->portid); 1016 1017 /* 1018 * If we don't have an initiator role we bail. 1019 * 1020 * We just use ISPASYNC_FABRIC_DEV for announcement purposes. 1021 */ 1022 1023 if ((isp->isp_role & ISP_ROLE_INITIATOR) == 0) { 1024 break; 1025 } 1026 1027 /* 1028 * Is this entry for us? If so, we bail. 1029 */ 1030 1031 if (fcp->isp_portid == clp->portid) { 1032 break; 1033 } 1034 1035 /* 1036 * Else, the default policy is to find room for it in 1037 * our local port database. Later, when we execute 1038 * the call to isp_pdb_sync either this newly arrived 1039 * or already logged in device will be (re)announced. 1040 */ 1041 1042 if (fcp->isp_topo == TOPO_FL_PORT) 1043 base = FC_SNS_ID+1; 1044 else 1045 base = 0; 1046 1047 if (fcp->isp_topo == TOPO_N_PORT) 1048 lim = 1; 1049 else 1050 lim = MAX_FC_TARG; 1051 1052 /* 1053 * Is it already in our list? 1054 */ 1055 for (target = base; target < lim; target++) { 1056 if (target >= FL_PORT_ID && target <= FC_SNS_ID) { 1057 continue; 1058 } 1059 lp = &fcp->portdb[target]; 1060 if (lp->port_wwn == clp->port_wwn && 1061 lp->node_wwn == clp->node_wwn) { 1062 lp->fabric_dev = 1; 1063 break; 1064 } 1065 } 1066 if (target < lim) { 1067 break; 1068 } 1069 for (target = base; target < lim; target++) { 1070 if (target >= FL_PORT_ID && target <= FC_SNS_ID) { 1071 continue; 1072 } 1073 lp = &fcp->portdb[target]; 1074 if (lp->port_wwn == 0) { 1075 break; 1076 } 1077 } 1078 if (target == lim) { 1079 isp_prt(isp, ISP_LOGWARN, 1080 "out of space for fabric devices"); 1081 break; 1082 } 1083 lp->port_type = clp->port_type; 1084 lp->fc4_type = clp->fc4_type; 1085 lp->node_wwn = clp->node_wwn; 1086 lp->port_wwn = clp->port_wwn; 1087 lp->portid = clp->portid; 1088 lp->fabric_dev = 1; 1089 break; 1090 } 1091 case ISPASYNC_FW_CRASH: 1092 { 1093 u_int16_t mbox1, mbox6; 1094 mbox1 = ISP_READ(isp, OUTMAILBOX1); 1095 if (IS_DUALBUS(isp)) { 1096 mbox6 = ISP_READ(isp, OUTMAILBOX6); 1097 } else { 1098 mbox6 = 0; 1099 } 1100 isp_prt(isp, ISP_LOGERR, 1101 "Internal Firmware Error on bus %d @ RISC Address 0x%x", 1102 mbox6, mbox1); 1103 isp_reinit(isp); 1104 break; 1105 } 1106 default: 1107 break; 1108 } 1109 return (0); 1110 } 1111 1112 #include <machine/stdarg.h> 1113 void 1114 isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...) 1115 { 1116 va_list ap; 1117 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 1118 return; 1119 } 1120 printf("%s: ", isp->isp_name); 1121 va_start(ap, fmt); 1122 vprintf(fmt, ap); 1123 va_end(ap); 1124 printf("\n"); 1125 } 1126
Indexes created Mon Sep 22 13:09:51 GMT 2025