isp_netbsd.c revision 1.59
1 /* $NetBSD: isp_netbsd.c,v 1.59 2003/03/21 18:05:16 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 1.59 2003/03/21 18:05:16 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_flags = SCSIPI_CHAN_NOSETTLE; 134 isp->isp_osinfo._chan.chan_ntargets = MAX_FC_TARG; 135 isp->isp_osinfo._chan.chan_id = MAX_FC_TARG; 136 isp->isp_osinfo.threadwork = 1; 137 /* 138 * Note that isp_create_fc_worker won't get called 139 * until much much later (after proc0 is created). 140 */ 141 kthread_create(isp_create_fc_worker, isp); 142 #ifdef ISP_FW_CRASH_DUMP 143 if (IS_2200(isp)) { 144 FCPARAM(isp)->isp_dump_data = 145 malloc(QLA2200_RISC_IMAGE_DUMP_SIZE, M_DEVBUF, 146 M_NOWAIT); 147 } else if (IS_23XX(isp)) { 148 FCPARAM(isp)->isp_dump_data = 149 malloc(QLA2300_RISC_IMAGE_DUMP_SIZE, M_DEVBUF, 150 M_NOWAIT); 151 } 152 if (FCPARAM(isp)->isp_dump_data) 153 FCPARAM(isp)->isp_dump_data[0] = 0; 154 #endif 155 } else { 156 int bus = 0; 157 sdparam *sdp = isp->isp_param; 158 159 isp->isp_osinfo._chan.chan_ntargets = MAX_TARGETS; 160 isp->isp_osinfo._chan.chan_id = sdp->isp_initiator_id; 161 isp->isp_osinfo.discovered[0] = 1 << sdp->isp_initiator_id; 162 if (IS_DUALBUS(isp)) { 163 isp->isp_osinfo._chan_b = isp->isp_osinfo._chan; 164 sdp++; 165 isp->isp_osinfo.discovered[1] = 166 1 << sdp->isp_initiator_id; 167 isp->isp_osinfo._chan_b.chan_id = sdp->isp_initiator_id; 168 isp->isp_osinfo._chan_b.chan_channel = 1; 169 } 170 ISP_LOCK(isp); 171 (void) isp_control(isp, ISPCTL_RESET_BUS, &bus); 172 if (IS_DUALBUS(isp)) { 173 bus++; 174 (void) isp_control(isp, ISPCTL_RESET_BUS, &bus); 175 } 176 ISP_UNLOCK(isp); 177 } 178 179 180 /* 181 * Defer enabling mailbox interrupts until later. 182 */ 183 config_interrupts((struct device *) isp, isp_config_interrupts); 184 185 /* 186 * And attach children (if any). 187 */ 188 config_found((void *)isp, &isp->isp_chanA, scsiprint); 189 if (IS_DUALBUS(isp)) { 190 config_found((void *)isp, &isp->isp_chanB, scsiprint); 191 } 192 } 193 194 195 static void 196 isp_config_interrupts(struct device *self) 197 { 198 struct ispsoftc *isp = (struct ispsoftc *) self; 199 200 /* 201 * After this point, we'll be doing the new configuration 202 * schema which allows interrupts, so we can do tsleep/wakeup 203 * for mailbox stuff at that point, if that's allowed. 204 */ 205 if (IS_FC(isp)) { 206 isp->isp_osinfo.no_mbox_ints = 0; 207 } 208 } 209 210 211 /* 212 * minphys our xfers 213 */ 214 215 static void 216 ispminphys_1020(struct buf *bp) 217 { 218 if (bp->b_bcount >= (1 << 24)) { 219 bp->b_bcount = (1 << 24); 220 } 221 minphys(bp); 222 } 223 224 static void 225 ispminphys(struct buf *bp) 226 { 227 if (bp->b_bcount >= (1 << 30)) { 228 bp->b_bcount = (1 << 30); 229 } 230 minphys(bp); 231 } 232 233 static int 234 ispioctl(struct scsipi_channel *chan, u_long cmd, caddr_t addr, int flag, 235 struct proc *p) 236 { 237 struct ispsoftc *isp = (void *)chan->chan_adapter->adapt_dev; 238 int retval = ENOTTY; 239 240 switch (cmd) { 241 #ifdef ISP_FW_CRASH_DUMP 242 case ISP_GET_FW_CRASH_DUMP: 243 { 244 u_int16_t *ptr = FCPARAM(isp)->isp_dump_data; 245 size_t sz; 246 247 retval = 0; 248 if (IS_2200(isp)) 249 sz = QLA2200_RISC_IMAGE_DUMP_SIZE; 250 else 251 sz = QLA2300_RISC_IMAGE_DUMP_SIZE; 252 ISP_LOCK(isp); 253 if (ptr && *ptr) { 254 void *uaddr = *((void **) addr); 255 if (copyout(ptr, uaddr, sz)) { 256 retval = EFAULT; 257 } else { 258 *ptr = 0; 259 } 260 } else { 261 retval = ENXIO; 262 } 263 ISP_UNLOCK(isp); 264 break; 265 } 266 267 case ISP_FORCE_CRASH_DUMP: 268 ISP_LOCK(isp); 269 if (isp->isp_osinfo.blocked == 0) { 270 isp->isp_osinfo.blocked = 1; 271 scsipi_channel_freeze(&isp->isp_chanA, 1); 272 } 273 isp_fw_dump(isp); 274 isp_reinit(isp); 275 ISP_UNLOCK(isp); 276 retval = 0; 277 break; 278 #endif 279 case ISP_SDBLEV: 280 { 281 int olddblev = isp->isp_dblev; 282 isp->isp_dblev = *(int *)addr; 283 *(int *)addr = olddblev; 284 retval = 0; 285 break; 286 } 287 case ISP_RESETHBA: 288 ISP_LOCK(isp); 289 isp_reinit(isp); 290 ISP_UNLOCK(isp); 291 retval = 0; 292 break; 293 case ISP_RESCAN: 294 if (IS_FC(isp)) { 295 ISP_LOCK(isp); 296 if (isp_fc_runstate(isp, 5 * 1000000)) { 297 retval = EIO; 298 } else { 299 retval = 0; 300 } 301 ISP_UNLOCK(isp); 302 } 303 break; 304 case ISP_FC_LIP: 305 if (IS_FC(isp)) { 306 ISP_LOCK(isp); 307 if (isp_control(isp, ISPCTL_SEND_LIP, 0)) { 308 retval = EIO; 309 } else { 310 retval = 0; 311 } 312 ISP_UNLOCK(isp); 313 } 314 break; 315 case ISP_FC_GETDINFO: 316 { 317 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 318 struct lportdb *lp; 319 320 if (ifc->loopid < 0 || ifc->loopid >= MAX_FC_TARG) { 321 retval = EINVAL; 322 break; 323 } 324 ISP_LOCK(isp); 325 lp = &FCPARAM(isp)->portdb[ifc->loopid]; 326 if (lp->valid) { 327 ifc->loopid = lp->loopid; 328 ifc->portid = lp->portid; 329 ifc->node_wwn = lp->node_wwn; 330 ifc->port_wwn = lp->port_wwn; 331 retval = 0; 332 } else { 333 retval = ENODEV; 334 } 335 ISP_UNLOCK(isp); 336 break; 337 } 338 case ISP_GET_STATS: 339 { 340 isp_stats_t *sp = (isp_stats_t *) addr; 341 342 MEMZERO(sp, sizeof (*sp)); 343 sp->isp_stat_version = ISP_STATS_VERSION; 344 sp->isp_type = isp->isp_type; 345 sp->isp_revision = isp->isp_revision; 346 ISP_LOCK(isp); 347 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 348 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 349 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 350 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 351 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 352 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 353 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 354 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 355 ISP_UNLOCK(isp); 356 retval = 0; 357 break; 358 } 359 case ISP_CLR_STATS: 360 ISP_LOCK(isp); 361 isp->isp_intcnt = 0; 362 isp->isp_intbogus = 0; 363 isp->isp_intmboxc = 0; 364 isp->isp_intoasync = 0; 365 isp->isp_rsltccmplt = 0; 366 isp->isp_fphccmplt = 0; 367 isp->isp_rscchiwater = 0; 368 isp->isp_fpcchiwater = 0; 369 ISP_UNLOCK(isp); 370 retval = 0; 371 break; 372 case ISP_FC_GETHINFO: 373 { 374 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 375 MEMZERO(hba, sizeof (*hba)); 376 ISP_LOCK(isp); 377 hba->fc_speed = FCPARAM(isp)->isp_gbspeed; 378 hba->fc_scsi_supported = 1; 379 hba->fc_topology = FCPARAM(isp)->isp_topo + 1; 380 hba->fc_loopid = FCPARAM(isp)->isp_loopid; 381 hba->active_node_wwn = FCPARAM(isp)->isp_nodewwn; 382 hba->active_port_wwn = FCPARAM(isp)->isp_portwwn; 383 ISP_UNLOCK(isp); 384 break; 385 } 386 case SCBUSIORESET: 387 ISP_LOCK(isp); 388 if (isp_control(isp, ISPCTL_RESET_BUS, &chan->chan_channel)) 389 retval = EIO; 390 else 391 retval = 0; 392 ISP_UNLOCK(isp); 393 break; 394 default: 395 break; 396 } 397 return (retval); 398 } 399 400 static INLINE void 401 ispcmd(struct ispsoftc *isp, XS_T *xs) 402 { 403 ISP_LOCK(isp); 404 if (isp->isp_state < ISP_RUNSTATE) { 405 DISABLE_INTS(isp); 406 isp_init(isp); 407 if (isp->isp_state != ISP_INITSTATE) { 408 ENABLE_INTS(isp); 409 ISP_UNLOCK(isp); 410 isp_prt(isp, ISP_LOGERR, "isp not at init state"); 411 XS_SETERR(xs, HBA_BOTCH); 412 scsipi_done(xs); 413 return; 414 } 415 isp->isp_state = ISP_RUNSTATE; 416 ENABLE_INTS(isp); 417 } 418 /* 419 * Handle the case of a FC card where the FC thread hasn't 420 * fired up yet and we have loop state to clean up. If we 421 * can't clear things up and we've never seen loop up, bounce 422 * the command. 423 */ 424 if (IS_FC(isp) && isp->isp_osinfo.threadwork && 425 isp->isp_osinfo.thread == 0) { 426 volatile u_int8_t ombi = isp->isp_osinfo.no_mbox_ints; 427 int delay_time; 428 429 if (xs->xs_control & XS_CTL_POLL) { 430 isp->isp_osinfo.no_mbox_ints = 1; 431 } 432 433 if (isp->isp_osinfo.loop_checked == 0) { 434 delay_time = 10 * 1000000; 435 isp->isp_osinfo.loop_checked = 1; 436 } else { 437 delay_time = 250000; 438 } 439 440 if (isp_fc_runstate(isp, delay_time) != 0) { 441 if (xs->xs_control & XS_CTL_POLL) { 442 isp->isp_osinfo.no_mbox_ints = ombi; 443 } 444 if (FCPARAM(isp)->loop_seen_once == 0) { 445 XS_SETERR(xs, HBA_SELTIMEOUT); 446 scsipi_done(xs); 447 ISP_UNLOCK(isp); 448 return; 449 } 450 /* 451 * Otherwise, fall thru to be queued up for later. 452 */ 453 } else { 454 int wasblocked = 455 (isp->isp_osinfo.blocked || isp->isp_osinfo.paused); 456 isp->isp_osinfo.threadwork = 0; 457 isp->isp_osinfo.blocked = 458 isp->isp_osinfo.paused = 0; 459 if (wasblocked) { 460 scsipi_channel_thaw(&isp->isp_chanA, 1); 461 } 462 } 463 if (xs->xs_control & XS_CTL_POLL) { 464 isp->isp_osinfo.no_mbox_ints = ombi; 465 } 466 } 467 468 if (isp->isp_osinfo.paused) { 469 isp_prt(isp, ISP_LOGWARN, "I/O while paused"); 470 xs->error = XS_RESOURCE_SHORTAGE; 471 scsipi_done(xs); 472 ISP_UNLOCK(isp); 473 return; 474 } 475 if (isp->isp_osinfo.blocked) { 476 isp_prt(isp, ISP_LOGWARN, "I/O while blocked"); 477 xs->error = XS_REQUEUE; 478 scsipi_done(xs); 479 ISP_UNLOCK(isp); 480 return; 481 } 482 483 if (xs->xs_control & XS_CTL_POLL) { 484 volatile u_int8_t ombi = isp->isp_osinfo.no_mbox_ints; 485 isp->isp_osinfo.no_mbox_ints = 1; 486 isp_polled_cmd(isp, xs); 487 isp->isp_osinfo.no_mbox_ints = ombi; 488 ISP_UNLOCK(isp); 489 return; 490 } 491 492 switch (isp_start(xs)) { 493 case CMD_QUEUED: 494 if (xs->timeout) { 495 callout_reset(&xs->xs_callout, _XT(xs), isp_dog, xs); 496 } 497 break; 498 case CMD_EAGAIN: 499 isp->isp_osinfo.paused = 1; 500 xs->error = XS_RESOURCE_SHORTAGE; 501 scsipi_channel_freeze(&isp->isp_chanA, 1); 502 if (IS_DUALBUS(isp)) { 503 scsipi_channel_freeze(&isp->isp_chanB, 1); 504 } 505 scsipi_done(xs); 506 break; 507 case CMD_RQLATER: 508 /* 509 * We can only get RQLATER from FC devices (1 channel only) 510 * 511 * Also, if we've never seen loop up, bounce the command 512 * (somebody has booted with no FC cable connected) 513 */ 514 if (FCPARAM(isp)->loop_seen_once == 0) { 515 XS_SETERR(xs, HBA_SELTIMEOUT); 516 scsipi_done(xs); 517 break; 518 } 519 if (isp->isp_osinfo.blocked == 0) { 520 isp->isp_osinfo.blocked = 1; 521 scsipi_channel_freeze(&isp->isp_chanA, 1); 522 } 523 xs->error = XS_REQUEUE; 524 scsipi_done(xs); 525 break; 526 case CMD_COMPLETE: 527 scsipi_done(xs); 528 break; 529 } 530 ISP_UNLOCK(isp); 531 } 532 533 static void 534 isprequest(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 535 { 536 struct ispsoftc *isp = (void *)chan->chan_adapter->adapt_dev; 537 538 switch (req) { 539 case ADAPTER_REQ_RUN_XFER: 540 ispcmd(isp, (XS_T *) arg); 541 break; 542 543 case ADAPTER_REQ_GROW_RESOURCES: 544 /* Not supported. */ 545 break; 546 547 case ADAPTER_REQ_SET_XFER_MODE: 548 if (IS_SCSI(isp)) { 549 struct scsipi_xfer_mode *xm = arg; 550 int dflags = 0; 551 sdparam *sdp = SDPARAM(isp); 552 553 sdp += chan->chan_channel; 554 if (xm->xm_mode & PERIPH_CAP_TQING) 555 dflags |= DPARM_TQING; 556 if (xm->xm_mode & PERIPH_CAP_WIDE16) 557 dflags |= DPARM_WIDE; 558 if (xm->xm_mode & PERIPH_CAP_SYNC) 559 dflags |= DPARM_SYNC; 560 ISP_LOCK(isp); 561 sdp->isp_devparam[xm->xm_target].goal_flags |= dflags; 562 dflags = sdp->isp_devparam[xm->xm_target].goal_flags; 563 sdp->isp_devparam[xm->xm_target].dev_update = 1; 564 isp->isp_update |= (1 << chan->chan_channel); 565 ISP_UNLOCK(isp); 566 isp_prt(isp, ISP_LOGDEBUG1, 567 "ispioctl: device flags 0x%x for %d.%d.X", 568 dflags, chan->chan_channel, xm->xm_target); 569 break; 570 } 571 default: 572 break; 573 } 574 } 575 576 static void 577 isp_polled_cmd(struct ispsoftc *isp, XS_T *xs) 578 { 579 int result; 580 int infinite = 0, mswait; 581 582 result = isp_start(xs); 583 584 switch (result) { 585 case CMD_QUEUED: 586 break; 587 case CMD_RQLATER: 588 if (XS_NOERR(xs)) { 589 xs->error = XS_REQUEUE; 590 } 591 case CMD_EAGAIN: 592 if (XS_NOERR(xs)) { 593 xs->error = XS_RESOURCE_SHORTAGE; 594 } 595 /* FALLTHROUGH */ 596 case CMD_COMPLETE: 597 scsipi_done(xs); 598 return; 599 600 } 601 602 /* 603 * If we can't use interrupts, poll on completion. 604 */ 605 if ((mswait = XS_TIME(xs)) == 0) 606 infinite = 1; 607 608 while (mswait || infinite) { 609 u_int16_t isr, sema, mbox; 610 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 611 isp_intr(isp, isr, sema, mbox); 612 if (XS_CMD_DONE_P(xs)) { 613 break; 614 } 615 } 616 USEC_DELAY(1000); 617 mswait -= 1; 618 } 619 620 /* 621 * If no other error occurred but we didn't finish, 622 * something bad happened. 623 */ 624 if (XS_CMD_DONE_P(xs) == 0) { 625 if (isp_control(isp, ISPCTL_ABORT_CMD, xs)) { 626 isp_reinit(isp); 627 } 628 if (XS_NOERR(xs)) { 629 isp_prt(isp, ISP_LOGERR, "polled command timed out"); 630 XS_SETERR(xs, HBA_BOTCH); 631 } 632 } 633 scsipi_done(xs); 634 } 635 636 void 637 isp_done(XS_T *xs) 638 { 639 XS_CMD_S_DONE(xs); 640 if (XS_CMD_WDOG_P(xs) == 0) { 641 struct ispsoftc *isp = XS_ISP(xs); 642 callout_stop(&xs->xs_callout); 643 if (XS_CMD_GRACE_P(xs)) { 644 isp_prt(isp, ISP_LOGDEBUG1, 645 "finished command on borrowed time"); 646 } 647 XS_CMD_S_CLEAR(xs); 648 /* 649 * Fixup- if we get a QFULL, we need 650 * to set XS_BUSY as the error. 651 */ 652 if (xs->status == SCSI_QUEUE_FULL) { 653 xs->error = XS_BUSY; 654 } 655 if (isp->isp_osinfo.paused) { 656 isp->isp_osinfo.paused = 0; 657 scsipi_channel_timed_thaw(&isp->isp_chanA); 658 if (IS_DUALBUS(isp)) { 659 scsipi_channel_timed_thaw(&isp->isp_chanB); 660 } 661 } 662 if (xs->error == XS_DRIVER_STUFFUP) { 663 isp_prt(isp, ISP_LOGERR, "BOTCHED cmd for %d.%d.%d cmd 0x%x datalen %ld", 664 XS_CHANNEL(xs), XS_TGT(xs), XS_LUN(xs), XS_CDBP(xs)[0], (long) XS_XFRLEN(xs)); 665 } 666 scsipi_done(xs); 667 } 668 } 669 670 static void 671 isp_dog(void *arg) 672 { 673 XS_T *xs = arg; 674 struct ispsoftc *isp = XS_ISP(xs); 675 u_int16_t handle; 676 677 ISP_ILOCK(isp); 678 /* 679 * We've decided this command is dead. Make sure we're not trying 680 * to kill a command that's already dead by getting it's handle and 681 * and seeing whether it's still alive. 682 */ 683 handle = isp_find_handle(isp, xs); 684 if (handle) { 685 u_int16_t isr, mbox, sema; 686 687 if (XS_CMD_DONE_P(xs)) { 688 isp_prt(isp, ISP_LOGDEBUG1, 689 "watchdog found done cmd (handle 0x%x)", handle); 690 ISP_IUNLOCK(isp); 691 return; 692 } 693 694 if (XS_CMD_WDOG_P(xs)) { 695 isp_prt(isp, ISP_LOGDEBUG1, 696 "recursive watchdog (handle 0x%x)", handle); 697 ISP_IUNLOCK(isp); 698 return; 699 } 700 701 XS_CMD_S_WDOG(xs); 702 703 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 704 isp_intr(isp, isr, sema, mbox); 705 706 } 707 if (XS_CMD_DONE_P(xs)) { 708 isp_prt(isp, ISP_LOGDEBUG1, 709 "watchdog cleanup for handle 0x%x", handle); 710 XS_CMD_C_WDOG(xs); 711 isp_done(xs); 712 } else if (XS_CMD_GRACE_P(xs)) { 713 isp_prt(isp, ISP_LOGDEBUG1, 714 "watchdog timeout for handle 0x%x", handle); 715 /* 716 * Make sure the command is *really* dead before we 717 * release the handle (and DMA resources) for reuse. 718 */ 719 (void) isp_control(isp, ISPCTL_ABORT_CMD, arg); 720 721 /* 722 * After this point, the comamnd is really dead. 723 */ 724 if (XS_XFRLEN(xs)) { 725 ISP_DMAFREE(isp, xs, handle); 726 } 727 isp_destroy_handle(isp, handle); 728 XS_SETERR(xs, XS_TIMEOUT); 729 XS_CMD_S_CLEAR(xs); 730 isp_done(xs); 731 } else { 732 u_int16_t nxti, optr; 733 ispreq_t local, *mp = &local, *qe; 734 isp_prt(isp, ISP_LOGDEBUG2, 735 "possible command timeout on handle %x", handle); 736 XS_CMD_C_WDOG(xs); 737 callout_reset(&xs->xs_callout, hz, isp_dog, xs); 738 if (isp_getrqentry(isp, &nxti, &optr, (void *) &qe)) { 739 ISP_UNLOCK(isp); 740 return; 741 } 742 XS_CMD_S_GRACE(xs); 743 MEMZERO((void *) mp, sizeof (*mp)); 744 mp->req_header.rqs_entry_count = 1; 745 mp->req_header.rqs_entry_type = RQSTYPE_MARKER; 746 mp->req_modifier = SYNC_ALL; 747 mp->req_target = XS_CHANNEL(xs) << 7; 748 isp_put_request(isp, mp, qe); 749 ISP_ADD_REQUEST(isp, nxti); 750 } 751 } else { 752 isp_prt(isp, ISP_LOGDEBUG0, "watchdog with no command"); 753 } 754 ISP_IUNLOCK(isp); 755 } 756 757 /* 758 * Fibre Channel state cleanup thread 759 */ 760 static void 761 isp_create_fc_worker(void *arg) 762 { 763 struct ispsoftc *isp = arg; 764 765 if (kthread_create1(isp_fc_worker, isp, &isp->isp_osinfo.thread, 766 "%s:fc_thrd", isp->isp_name)) { 767 isp_prt(isp, ISP_LOGERR, "unable to create FC worker thread"); 768 panic("isp_create_fc_worker"); 769 } 770 771 } 772 773 static void 774 isp_fc_worker(void *arg) 775 { 776 void scsipi_run_queue(struct scsipi_channel *); 777 struct ispsoftc *isp = arg; 778 779 for (;;) { 780 int s; 781 782 /* 783 * Note we do *not* use the ISP_LOCK/ISP_UNLOCK macros here. 784 */ 785 s = splbio(); 786 while (isp->isp_osinfo.threadwork) { 787 isp->isp_osinfo.threadwork = 0; 788 if (isp_fc_runstate(isp, 10 * 1000000) == 0) { 789 break; 790 } 791 if (isp->isp_osinfo.loop_checked && 792 FCPARAM(isp)->loop_seen_once == 0) { 793 splx(s); 794 goto skip; 795 } 796 isp->isp_osinfo.threadwork = 1; 797 splx(s); 798 delay(500 * 1000); 799 s = splbio(); 800 } 801 if (FCPARAM(isp)->isp_fwstate != FW_READY || 802 FCPARAM(isp)->isp_loopstate != LOOP_READY) { 803 isp_prt(isp, ISP_LOGINFO, "isp_fc_runstate in vain"); 804 isp->isp_osinfo.threadwork = 1; 805 splx(s); 806 continue; 807 } 808 809 if (isp->isp_osinfo.blocked) { 810 isp->isp_osinfo.blocked = 0; 811 isp_prt(isp, ISP_LOGDEBUG0, 812 "restarting queues (freeze count %d)", 813 isp->isp_chanA.chan_qfreeze); 814 scsipi_channel_thaw(&isp->isp_chanA, 1); 815 } 816 817 if (isp->isp_osinfo.thread == NULL) 818 break; 819 820 skip: 821 (void) tsleep(&isp->isp_osinfo.thread, PRIBIO, "fcclnup", 0); 822 823 splx(s); 824 } 825 826 /* In case parent is waiting for us to exit. */ 827 wakeup(&isp->isp_osinfo.thread); 828 829 kthread_exit(0); 830 } 831 832 /* 833 * Free any associated resources prior to decommissioning and 834 * set the card to a known state (so it doesn't wake up and kick 835 * us when we aren't expecting it to). 836 * 837 * Locks are held before coming here. 838 */ 839 void 840 isp_uninit(struct ispsoftc *isp) 841 { 842 isp_lock(isp); 843 /* 844 * Leave with interrupts disabled. 845 */ 846 DISABLE_INTS(isp); 847 isp_unlock(isp); 848 } 849 850 int 851 isp_async(struct ispsoftc *isp, ispasync_t cmd, void *arg) 852 { 853 int bus, tgt; 854 855 switch (cmd) { 856 case ISPASYNC_NEW_TGT_PARAMS: 857 if (IS_SCSI(isp) && isp->isp_dblev) { 858 sdparam *sdp = isp->isp_param; 859 int flags; 860 struct scsipi_xfer_mode xm; 861 862 tgt = *((int *) arg); 863 bus = (tgt >> 16) & 0xffff; 864 tgt &= 0xffff; 865 sdp += bus; 866 flags = sdp->isp_devparam[tgt].actv_flags; 867 868 xm.xm_mode = 0; 869 xm.xm_period = sdp->isp_devparam[tgt].actv_period; 870 xm.xm_offset = sdp->isp_devparam[tgt].actv_offset; 871 xm.xm_target = tgt; 872 873 if ((flags & DPARM_SYNC) && xm.xm_period && xm.xm_offset) 874 xm.xm_mode |= PERIPH_CAP_SYNC; 875 if (flags & DPARM_WIDE) 876 xm.xm_mode |= PERIPH_CAP_WIDE16; 877 if (flags & DPARM_TQING) 878 xm.xm_mode |= PERIPH_CAP_TQING; 879 scsipi_async_event(bus? &isp->isp_chanB : &isp->isp_chanA, 880 ASYNC_EVENT_XFER_MODE, &xm); 881 break; 882 } 883 case ISPASYNC_BUS_RESET: 884 bus = *((int *) arg); 885 scsipi_async_event(bus? &isp->isp_chanB : &isp->isp_chanA, 886 ASYNC_EVENT_RESET, NULL); 887 isp_prt(isp, ISP_LOGINFO, "SCSI bus %d reset detected", bus); 888 break; 889 case ISPASYNC_LIP: 890 /* 891 * Don't do queue freezes or blockage until we have the 892 * thread running that can unfreeze/unblock us. 893 */ 894 if (isp->isp_osinfo.blocked == 0) { 895 if (isp->isp_osinfo.thread) { 896 isp->isp_osinfo.blocked = 1; 897 scsipi_channel_freeze(&isp->isp_chanA, 1); 898 } 899 } 900 isp_prt(isp, ISP_LOGINFO, "LIP Received"); 901 break; 902 case ISPASYNC_LOOP_RESET: 903 /* 904 * Don't do queue freezes or blockage until we have the 905 * thread running that can unfreeze/unblock us. 906 */ 907 if (isp->isp_osinfo.blocked == 0) { 908 if (isp->isp_osinfo.thread) { 909 isp->isp_osinfo.blocked = 1; 910 scsipi_channel_freeze(&isp->isp_chanA, 1); 911 } 912 } 913 isp_prt(isp, ISP_LOGINFO, "Loop Reset Received"); 914 break; 915 case ISPASYNC_LOOP_DOWN: 916 /* 917 * Don't do queue freezes or blockage until we have the 918 * thread running that can unfreeze/unblock us. 919 */ 920 if (isp->isp_osinfo.blocked == 0) { 921 if (isp->isp_osinfo.thread) { 922 isp->isp_osinfo.blocked = 1; 923 scsipi_channel_freeze(&isp->isp_chanA, 1); 924 } 925 } 926 isp_prt(isp, ISP_LOGINFO, "Loop DOWN"); 927 break; 928 case ISPASYNC_LOOP_UP: 929 /* 930 * Let the subsequent ISPASYNC_CHANGE_NOTIFY invoke 931 * the FC worker thread. When the FC worker thread 932 * is done, let *it* call scsipi_channel_thaw... 933 */ 934 isp_prt(isp, ISP_LOGINFO, "Loop UP"); 935 break; 936 case ISPASYNC_PROMENADE: 937 if (IS_FC(isp) && isp->isp_dblev) { 938 static const char fmt[] = "Target %d (Loop 0x%x) Port ID 0x%x " 939 "(role %s) %s\n Port WWN 0x%08x%08x\n Node WWN 0x%08x%08x"; 940 const static char *const roles[4] = { 941 "None", "Target", "Initiator", "Target/Initiator" 942 }; 943 fcparam *fcp = isp->isp_param; 944 int tgt = *((int *) arg); 945 struct lportdb *lp = &fcp->portdb[tgt]; 946 947 isp_prt(isp, ISP_LOGINFO, fmt, tgt, lp->loopid, lp->portid, 948 roles[lp->roles & 0x3], 949 (lp->valid)? "Arrived" : "Departed", 950 (u_int32_t) (lp->port_wwn >> 32), 951 (u_int32_t) (lp->port_wwn & 0xffffffffLL), 952 (u_int32_t) (lp->node_wwn >> 32), 953 (u_int32_t) (lp->node_wwn & 0xffffffffLL)); 954 break; 955 } 956 case ISPASYNC_CHANGE_NOTIFY: 957 if (arg == ISPASYNC_CHANGE_PDB) { 958 isp_prt(isp, ISP_LOGINFO, "Port Database Changed"); 959 } else if (arg == ISPASYNC_CHANGE_SNS) { 960 isp_prt(isp, ISP_LOGINFO, 961 "Name Server Database Changed"); 962 } 963 964 /* 965 * We can set blocked here because we know it's now okay 966 * to try and run isp_fc_runstate (in order to build loop 967 * state). But we don't try and freeze the midlayer's queue 968 * if we have no thread that we can wake to later unfreeze 969 * it. 970 */ 971 if (isp->isp_osinfo.blocked == 0) { 972 isp->isp_osinfo.blocked = 1; 973 if (isp->isp_osinfo.thread) { 974 scsipi_channel_freeze(&isp->isp_chanA, 1); 975 } 976 } 977 /* 978 * Note that we have work for the thread to do, and 979 * if the thread is here already, wake it up. 980 */ 981 isp->isp_osinfo.threadwork++; 982 if (isp->isp_osinfo.thread) { 983 wakeup(&isp->isp_osinfo.thread); 984 } else { 985 isp_prt(isp, ISP_LOGDEBUG1, "no FC thread yet"); 986 } 987 break; 988 case ISPASYNC_FABRIC_DEV: 989 { 990 int target, base, lim; 991 fcparam *fcp = isp->isp_param; 992 struct lportdb *lp = NULL; 993 struct lportdb *clp = (struct lportdb *) arg; 994 char *pt; 995 996 switch (clp->port_type) { 997 case 1: 998 pt = " N_Port"; 999 break; 1000 case 2: 1001 pt = " NL_Port"; 1002 break; 1003 case 3: 1004 pt = "F/NL_Port"; 1005 break; 1006 case 0x7f: 1007 pt = " Nx_Port"; 1008 break; 1009 case 0x81: 1010 pt = " F_port"; 1011 break; 1012 case 0x82: 1013 pt = " FL_Port"; 1014 break; 1015 case 0x84: 1016 pt = " E_port"; 1017 break; 1018 default: 1019 pt = " "; 1020 break; 1021 } 1022 1023 isp_prt(isp, ISP_LOGINFO, 1024 "%s Fabric Device @ PortID 0x%x", pt, clp->portid); 1025 1026 /* 1027 * If we don't have an initiator role we bail. 1028 * 1029 * We just use ISPASYNC_FABRIC_DEV for announcement purposes. 1030 */ 1031 1032 if ((isp->isp_role & ISP_ROLE_INITIATOR) == 0) { 1033 break; 1034 } 1035 1036 /* 1037 * Is this entry for us? If so, we bail. 1038 */ 1039 1040 if (fcp->isp_portid == clp->portid) { 1041 break; 1042 } 1043 1044 /* 1045 * Else, the default policy is to find room for it in 1046 * our local port database. Later, when we execute 1047 * the call to isp_pdb_sync either this newly arrived 1048 * or already logged in device will be (re)announced. 1049 */ 1050 1051 if (fcp->isp_topo == TOPO_FL_PORT) 1052 base = FC_SNS_ID+1; 1053 else 1054 base = 0; 1055 1056 if (fcp->isp_topo == TOPO_N_PORT) 1057 lim = 1; 1058 else 1059 lim = MAX_FC_TARG; 1060 1061 /* 1062 * Is it already in our list? 1063 */ 1064 for (target = base; target < lim; target++) { 1065 if (target >= FL_PORT_ID && target <= FC_SNS_ID) { 1066 continue; 1067 } 1068 lp = &fcp->portdb[target]; 1069 if (lp->port_wwn == clp->port_wwn && 1070 lp->node_wwn == clp->node_wwn) { 1071 lp->fabric_dev = 1; 1072 break; 1073 } 1074 } 1075 if (target < lim) { 1076 break; 1077 } 1078 for (target = base; target < lim; target++) { 1079 if (target >= FL_PORT_ID && target <= FC_SNS_ID) { 1080 continue; 1081 } 1082 lp = &fcp->portdb[target]; 1083 if (lp->port_wwn == 0) { 1084 break; 1085 } 1086 } 1087 if (target == lim) { 1088 isp_prt(isp, ISP_LOGWARN, 1089 "out of space for fabric devices"); 1090 break; 1091 } 1092 lp->port_type = clp->port_type; 1093 lp->fc4_type = clp->fc4_type; 1094 lp->node_wwn = clp->node_wwn; 1095 lp->port_wwn = clp->port_wwn; 1096 lp->portid = clp->portid; 1097 lp->fabric_dev = 1; 1098 break; 1099 } 1100 case ISPASYNC_FW_CRASH: 1101 { 1102 u_int16_t mbox1, mbox6; 1103 mbox1 = ISP_READ(isp, OUTMAILBOX1); 1104 if (IS_DUALBUS(isp)) { 1105 mbox6 = ISP_READ(isp, OUTMAILBOX6); 1106 } else { 1107 mbox6 = 0; 1108 } 1109 isp_prt(isp, ISP_LOGERR, 1110 "Internal Firmware Error on bus %d @ RISC Address 0x%x", 1111 mbox6, mbox1); 1112 #ifdef ISP_FW_CRASH_DUMP 1113 if (IS_FC(isp)) { 1114 if (isp->isp_osinfo.blocked == 0) { 1115 isp->isp_osinfo.blocked = 1; 1116 scsipi_channel_freeze(&isp->isp_chanA, 1); 1117 } 1118 isp_fw_dump(isp); 1119 } 1120 isp_reinit(isp); 1121 isp_async(isp, ISPASYNC_FW_RESTART, NULL); 1122 #endif 1123 break; 1124 } 1125 default: 1126 break; 1127 } 1128 return (0); 1129 } 1130 1131 #include <machine/stdarg.h> 1132 void 1133 isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...) 1134 { 1135 va_list ap; 1136 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 1137 return; 1138 } 1139 printf("%s: ", isp->isp_name); 1140 va_start(ap, fmt); 1141 vprintf(fmt, ap); 1142 va_end(ap); 1143 printf("\n"); 1144 } 1145
Indexes created Wed Sep 24 05:09:52 GMT 2025