isp_netbsd.c revision 1.72
1 /* $NetBSD: isp_netbsd.c,v 1.72 2007/01/13 19:41:12 cube 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 1.72 2007/01/13 19:41:12 cube 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 #if 0 /* XXX channel "settle" time seems to sidestep some nasty race */ 134 isp->isp_osinfo._chan.chan_flags = SCSIPI_CHAN_NOSETTLE; 135 #endif 136 isp->isp_osinfo._chan.chan_ntargets = MAX_FC_TARG; 137 isp->isp_osinfo._chan.chan_id = MAX_FC_TARG; 138 isp->isp_osinfo.threadwork = 1; 139 /* 140 * Note that isp_create_fc_worker won't get called 141 * until much much later (after proc0 is created). 142 */ 143 kthread_create(isp_create_fc_worker, isp); 144 #ifdef ISP_FW_CRASH_DUMP 145 if (IS_2200(isp)) { 146 FCPARAM(isp)->isp_dump_data = 147 malloc(QLA2200_RISC_IMAGE_DUMP_SIZE, M_DEVBUF, 148 M_NOWAIT); 149 } else if (IS_23XX(isp)) { 150 FCPARAM(isp)->isp_dump_data = 151 malloc(QLA2300_RISC_IMAGE_DUMP_SIZE, M_DEVBUF, 152 M_NOWAIT); 153 } 154 if (FCPARAM(isp)->isp_dump_data) 155 FCPARAM(isp)->isp_dump_data[0] = 0; 156 #endif 157 } else { 158 int bus = 0; 159 sdparam *sdp = isp->isp_param; 160 161 isp->isp_osinfo._chan.chan_ntargets = MAX_TARGETS; 162 isp->isp_osinfo._chan.chan_id = sdp->isp_initiator_id; 163 isp->isp_osinfo.discovered[0] = 1 << sdp->isp_initiator_id; 164 if (IS_DUALBUS(isp)) { 165 isp->isp_osinfo._chan_b = isp->isp_osinfo._chan; 166 sdp++; 167 isp->isp_osinfo.discovered[1] = 168 1 << sdp->isp_initiator_id; 169 isp->isp_osinfo._chan_b.chan_id = sdp->isp_initiator_id; 170 isp->isp_osinfo._chan_b.chan_channel = 1; 171 } 172 ISP_LOCK(isp); 173 (void) isp_control(isp, ISPCTL_RESET_BUS, &bus); 174 if (IS_DUALBUS(isp)) { 175 bus++; 176 (void) isp_control(isp, ISPCTL_RESET_BUS, &bus); 177 } 178 ISP_UNLOCK(isp); 179 } 180 181 182 /* 183 * Defer enabling mailbox interrupts until later. 184 */ 185 config_interrupts((struct device *) isp, isp_config_interrupts); 186 187 /* 188 * And attach children (if any). 189 */ 190 config_found((void *)isp, &isp->isp_chanA, scsiprint); 191 if (IS_DUALBUS(isp)) { 192 config_found((void *)isp, &isp->isp_chanB, scsiprint); 193 } 194 } 195 196 197 static void 198 isp_config_interrupts(struct device *self) 199 { 200 struct ispsoftc *isp = (struct ispsoftc *) self; 201 202 /* 203 * After this point, we'll be doing the new configuration 204 * schema which allows interrupts, so we can do tsleep/wakeup 205 * for mailbox stuff at that point, if that's allowed. 206 */ 207 if (IS_FC(isp)) { 208 isp->isp_osinfo.no_mbox_ints = 0; 209 } 210 } 211 212 213 /* 214 * minphys our xfers 215 */ 216 217 static void 218 ispminphys_1020(struct buf *bp) 219 { 220 if (bp->b_bcount >= (1 << 24)) { 221 bp->b_bcount = (1 << 24); 222 } 223 minphys(bp); 224 } 225 226 static void 227 ispminphys(struct buf *bp) 228 { 229 if (bp->b_bcount >= (1 << 30)) { 230 bp->b_bcount = (1 << 30); 231 } 232 minphys(bp); 233 } 234 235 static int 236 ispioctl(struct scsipi_channel *chan, u_long cmd, caddr_t addr, 237 int flag, struct proc *p) 238 { 239 struct ispsoftc *isp = (void *)chan->chan_adapter->adapt_dev; 240 int retval = ENOTTY; 241 242 switch (cmd) { 243 #ifdef ISP_FW_CRASH_DUMP 244 case ISP_GET_FW_CRASH_DUMP: 245 { 246 u_int16_t *ptr = FCPARAM(isp)->isp_dump_data; 247 size_t sz; 248 249 retval = 0; 250 if (IS_2200(isp)) 251 sz = QLA2200_RISC_IMAGE_DUMP_SIZE; 252 else 253 sz = QLA2300_RISC_IMAGE_DUMP_SIZE; 254 ISP_LOCK(isp); 255 if (ptr && *ptr) { 256 void *uaddr = *((void **) addr); 257 if (copyout(ptr, uaddr, sz)) { 258 retval = EFAULT; 259 } else { 260 *ptr = 0; 261 } 262 } else { 263 retval = ENXIO; 264 } 265 ISP_UNLOCK(isp); 266 break; 267 } 268 269 case ISP_FORCE_CRASH_DUMP: 270 ISP_LOCK(isp); 271 if (isp->isp_osinfo.blocked == 0) { 272 isp->isp_osinfo.blocked = 1; 273 scsipi_channel_freeze(&isp->isp_chanA, 1); 274 } 275 isp_fw_dump(isp); 276 isp_reinit(isp); 277 ISP_UNLOCK(isp); 278 retval = 0; 279 break; 280 #endif 281 case ISP_SDBLEV: 282 { 283 int olddblev = isp->isp_dblev; 284 isp->isp_dblev = *(int *)addr; 285 *(int *)addr = olddblev; 286 retval = 0; 287 break; 288 } 289 case ISP_RESETHBA: 290 ISP_LOCK(isp); 291 isp_reinit(isp); 292 ISP_UNLOCK(isp); 293 retval = 0; 294 break; 295 case ISP_RESCAN: 296 if (IS_FC(isp)) { 297 ISP_LOCK(isp); 298 if (isp_fc_runstate(isp, 5 * 1000000)) { 299 retval = EIO; 300 } else { 301 retval = 0; 302 } 303 ISP_UNLOCK(isp); 304 } 305 break; 306 case ISP_FC_LIP: 307 if (IS_FC(isp)) { 308 ISP_LOCK(isp); 309 if (isp_control(isp, ISPCTL_SEND_LIP, 0)) { 310 retval = EIO; 311 } else { 312 retval = 0; 313 } 314 ISP_UNLOCK(isp); 315 } 316 break; 317 case ISP_FC_GETDINFO: 318 { 319 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 320 struct lportdb *lp; 321 322 if (/* ifc->loopid < 0 || */ ifc->loopid >= MAX_FC_TARG) { 323 retval = EINVAL; 324 break; 325 } 326 ISP_LOCK(isp); 327 lp = &FCPARAM(isp)->portdb[ifc->loopid]; 328 if (lp->valid) { 329 ifc->loopid = lp->loopid; 330 ifc->portid = lp->portid; 331 ifc->node_wwn = lp->node_wwn; 332 ifc->port_wwn = lp->port_wwn; 333 retval = 0; 334 } else { 335 retval = ENODEV; 336 } 337 ISP_UNLOCK(isp); 338 break; 339 } 340 case ISP_GET_STATS: 341 { 342 isp_stats_t *sp = (isp_stats_t *) addr; 343 344 MEMZERO(sp, sizeof (*sp)); 345 sp->isp_stat_version = ISP_STATS_VERSION; 346 sp->isp_type = isp->isp_type; 347 sp->isp_revision = isp->isp_revision; 348 ISP_LOCK(isp); 349 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 350 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 351 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 352 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 353 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 354 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 355 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 356 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 357 ISP_UNLOCK(isp); 358 retval = 0; 359 break; 360 } 361 case ISP_CLR_STATS: 362 ISP_LOCK(isp); 363 isp->isp_intcnt = 0; 364 isp->isp_intbogus = 0; 365 isp->isp_intmboxc = 0; 366 isp->isp_intoasync = 0; 367 isp->isp_rsltccmplt = 0; 368 isp->isp_fphccmplt = 0; 369 isp->isp_rscchiwater = 0; 370 isp->isp_fpcchiwater = 0; 371 ISP_UNLOCK(isp); 372 retval = 0; 373 break; 374 case ISP_FC_GETHINFO: 375 { 376 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 377 MEMZERO(hba, sizeof (*hba)); 378 ISP_LOCK(isp); 379 hba->fc_speed = FCPARAM(isp)->isp_gbspeed; 380 hba->fc_scsi_supported = 1; 381 hba->fc_topology = FCPARAM(isp)->isp_topo + 1; 382 hba->fc_loopid = FCPARAM(isp)->isp_loopid; 383 hba->nvram_node_wwn = FCPARAM(isp)->isp_nodewwn; 384 hba->nvram_port_wwn = FCPARAM(isp)->isp_portwwn; 385 hba->active_node_wwn = ISP_NODEWWN(isp); 386 hba->active_port_wwn = ISP_PORTWWN(isp); 387 ISP_UNLOCK(isp); 388 break; 389 } 390 case SCBUSIORESET: 391 ISP_LOCK(isp); 392 if (isp_control(isp, ISPCTL_RESET_BUS, &chan->chan_channel)) 393 retval = EIO; 394 else 395 retval = 0; 396 ISP_UNLOCK(isp); 397 break; 398 default: 399 break; 400 } 401 return (retval); 402 } 403 404 static INLINE void 405 ispcmd(struct ispsoftc *isp, XS_T *xs) 406 { 407 ISP_LOCK(isp); 408 if (isp->isp_state < ISP_RUNSTATE) { 409 DISABLE_INTS(isp); 410 isp_init(isp); 411 if (isp->isp_state != ISP_INITSTATE) { 412 ENABLE_INTS(isp); 413 ISP_UNLOCK(isp); 414 isp_prt(isp, ISP_LOGERR, "isp not at init state"); 415 XS_SETERR(xs, HBA_BOTCH); 416 scsipi_done(xs); 417 return; 418 } 419 isp->isp_state = ISP_RUNSTATE; 420 ENABLE_INTS(isp); 421 } 422 /* 423 * Handle the case of a FC card where the FC thread hasn't 424 * fired up yet and we have loop state to clean up. If we 425 * can't clear things up and we've never seen loop up, bounce 426 * the command. 427 */ 428 if (IS_FC(isp) && isp->isp_osinfo.threadwork && 429 isp->isp_osinfo.thread == 0) { 430 volatile u_int8_t ombi = isp->isp_osinfo.no_mbox_ints; 431 int delay_time; 432 433 if (xs->xs_control & XS_CTL_POLL) { 434 isp->isp_osinfo.no_mbox_ints = 1; 435 } 436 437 if (isp->isp_osinfo.loop_checked == 0) { 438 delay_time = 10 * 1000000; 439 isp->isp_osinfo.loop_checked = 1; 440 } else { 441 delay_time = 250000; 442 } 443 444 if (isp_fc_runstate(isp, delay_time) != 0) { 445 if (xs->xs_control & XS_CTL_POLL) { 446 isp->isp_osinfo.no_mbox_ints = ombi; 447 } 448 if (FCPARAM(isp)->loop_seen_once == 0) { 449 XS_SETERR(xs, HBA_SELTIMEOUT); 450 scsipi_done(xs); 451 ISP_UNLOCK(isp); 452 return; 453 } 454 /* 455 * Otherwise, fall thru to be queued up for later. 456 */ 457 } else { 458 int wasblocked = 459 (isp->isp_osinfo.blocked || isp->isp_osinfo.paused); 460 isp->isp_osinfo.threadwork = 0; 461 isp->isp_osinfo.blocked = 462 isp->isp_osinfo.paused = 0; 463 if (wasblocked) { 464 scsipi_channel_thaw(&isp->isp_chanA, 1); 465 } 466 } 467 if (xs->xs_control & XS_CTL_POLL) { 468 isp->isp_osinfo.no_mbox_ints = ombi; 469 } 470 } 471 472 if (isp->isp_osinfo.paused) { 473 isp_prt(isp, ISP_LOGWARN, "I/O while paused"); 474 xs->error = XS_RESOURCE_SHORTAGE; 475 scsipi_done(xs); 476 ISP_UNLOCK(isp); 477 return; 478 } 479 if (isp->isp_osinfo.blocked) { 480 isp_prt(isp, ISP_LOGWARN, "I/O while blocked"); 481 xs->error = XS_REQUEUE; 482 scsipi_done(xs); 483 ISP_UNLOCK(isp); 484 return; 485 } 486 487 if (xs->xs_control & XS_CTL_POLL) { 488 volatile u_int8_t ombi = isp->isp_osinfo.no_mbox_ints; 489 isp->isp_osinfo.no_mbox_ints = 1; 490 isp_polled_cmd(isp, xs); 491 isp->isp_osinfo.no_mbox_ints = ombi; 492 ISP_UNLOCK(isp); 493 return; 494 } 495 496 switch (isp_start(xs)) { 497 case CMD_QUEUED: 498 if (xs->timeout) { 499 callout_reset(&xs->xs_callout, _XT(xs), isp_dog, xs); 500 } 501 break; 502 case CMD_EAGAIN: 503 isp->isp_osinfo.paused = 1; 504 xs->error = XS_RESOURCE_SHORTAGE; 505 scsipi_channel_freeze(&isp->isp_chanA, 1); 506 if (IS_DUALBUS(isp)) { 507 scsipi_channel_freeze(&isp->isp_chanB, 1); 508 } 509 scsipi_done(xs); 510 break; 511 case CMD_RQLATER: 512 /* 513 * We can only get RQLATER from FC devices (1 channel only) 514 * 515 * Also, if we've never seen loop up, bounce the command 516 * (somebody has booted with no FC cable connected) 517 */ 518 if (FCPARAM(isp)->loop_seen_once == 0) { 519 XS_SETERR(xs, HBA_SELTIMEOUT); 520 scsipi_done(xs); 521 break; 522 } 523 if (isp->isp_osinfo.blocked == 0) { 524 isp->isp_osinfo.blocked = 1; 525 scsipi_channel_freeze(&isp->isp_chanA, 1); 526 } 527 xs->error = XS_REQUEUE; 528 scsipi_done(xs); 529 break; 530 case CMD_COMPLETE: 531 scsipi_done(xs); 532 break; 533 } 534 ISP_UNLOCK(isp); 535 } 536 537 static void 538 isprequest(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 539 { 540 struct ispsoftc *isp = (void *)chan->chan_adapter->adapt_dev; 541 542 switch (req) { 543 case ADAPTER_REQ_RUN_XFER: 544 ispcmd(isp, (XS_T *) arg); 545 break; 546 547 case ADAPTER_REQ_GROW_RESOURCES: 548 /* Not supported. */ 549 break; 550 551 case ADAPTER_REQ_SET_XFER_MODE: 552 if (IS_SCSI(isp)) { 553 struct scsipi_xfer_mode *xm = arg; 554 int dflags = 0; 555 sdparam *sdp = SDPARAM(isp); 556 557 sdp += chan->chan_channel; 558 if (xm->xm_mode & PERIPH_CAP_TQING) 559 dflags |= DPARM_TQING; 560 if (xm->xm_mode & PERIPH_CAP_WIDE16) 561 dflags |= DPARM_WIDE; 562 if (xm->xm_mode & PERIPH_CAP_SYNC) 563 dflags |= DPARM_SYNC; 564 ISP_LOCK(isp); 565 sdp->isp_devparam[xm->xm_target].goal_flags |= dflags; 566 dflags = sdp->isp_devparam[xm->xm_target].goal_flags; 567 sdp->isp_devparam[xm->xm_target].dev_update = 1; 568 isp->isp_update |= (1 << chan->chan_channel); 569 ISP_UNLOCK(isp); 570 isp_prt(isp, ISP_LOGDEBUG1, 571 "ispioctl: device flags 0x%x for %d.%d.X", 572 dflags, chan->chan_channel, xm->xm_target); 573 break; 574 } 575 default: 576 break; 577 } 578 } 579 580 static void 581 isp_polled_cmd(struct ispsoftc *isp, XS_T *xs) 582 { 583 int result; 584 int infinite = 0, mswait; 585 586 result = isp_start(xs); 587 588 switch (result) { 589 case CMD_QUEUED: 590 break; 591 case CMD_RQLATER: 592 if (XS_NOERR(xs)) { 593 xs->error = XS_REQUEUE; 594 } 595 case CMD_EAGAIN: 596 if (XS_NOERR(xs)) { 597 xs->error = XS_RESOURCE_SHORTAGE; 598 } 599 /* FALLTHROUGH */ 600 case CMD_COMPLETE: 601 scsipi_done(xs); 602 return; 603 604 } 605 606 /* 607 * If we can't use interrupts, poll on completion. 608 */ 609 if ((mswait = XS_TIME(xs)) == 0) 610 infinite = 1; 611 612 while (mswait || infinite) { 613 u_int16_t isr, sema, mbox; 614 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 615 isp_intr(isp, isr, sema, mbox); 616 if (XS_CMD_DONE_P(xs)) { 617 break; 618 } 619 } 620 USEC_DELAY(1000); 621 mswait -= 1; 622 } 623 624 /* 625 * If no other error occurred but we didn't finish, 626 * something bad happened. 627 */ 628 if (XS_CMD_DONE_P(xs) == 0) { 629 if (isp_control(isp, ISPCTL_ABORT_CMD, xs)) { 630 isp_reinit(isp); 631 } 632 if (XS_NOERR(xs)) { 633 isp_prt(isp, ISP_LOGERR, "polled command timed out"); 634 XS_SETERR(xs, HBA_BOTCH); 635 } 636 } 637 scsipi_done(xs); 638 } 639 640 void 641 isp_done(XS_T *xs) 642 { 643 if (XS_CMD_WDOG_P(xs) == 0) { 644 struct ispsoftc *isp = XS_ISP(xs); 645 callout_stop(&xs->xs_callout); 646 if (XS_CMD_GRACE_P(xs)) { 647 isp_prt(isp, ISP_LOGDEBUG1, 648 "finished command on borrowed time"); 649 } 650 XS_CMD_S_CLEAR(xs); 651 /* 652 * Fixup- if we get a QFULL, we need 653 * to set XS_BUSY as the error. 654 */ 655 if (xs->status == SCSI_QUEUE_FULL) { 656 xs->error = XS_BUSY; 657 } 658 if (isp->isp_osinfo.paused) { 659 isp->isp_osinfo.paused = 0; 660 scsipi_channel_timed_thaw(&isp->isp_chanA); 661 if (IS_DUALBUS(isp)) { 662 scsipi_channel_timed_thaw(&isp->isp_chanB); 663 } 664 } 665 if (xs->error == XS_DRIVER_STUFFUP) { 666 isp_prt(isp, ISP_LOGERR, "BOTCHED cmd for %d.%d.%d cmd 0x%x datalen %ld", 667 XS_CHANNEL(xs), XS_TGT(xs), XS_LUN(xs), XS_CDBP(xs)[0], (long) XS_XFRLEN(xs)); 668 } 669 scsipi_done(xs); 670 } 671 } 672 673 static void 674 isp_dog(void *arg) 675 { 676 XS_T *xs = arg; 677 struct ispsoftc *isp = XS_ISP(xs); 678 u_int16_t handle; 679 680 ISP_ILOCK(isp); 681 /* 682 * We've decided this command is dead. Make sure we're not trying 683 * to kill a command that's already dead by getting it's handle and 684 * and seeing whether it's still alive. 685 */ 686 handle = isp_find_handle(isp, xs); 687 if (handle) { 688 u_int16_t isr, mbox, sema; 689 690 if (XS_CMD_DONE_P(xs)) { 691 isp_prt(isp, ISP_LOGDEBUG1, 692 "watchdog found done cmd (handle 0x%x)", handle); 693 ISP_IUNLOCK(isp); 694 return; 695 } 696 697 if (XS_CMD_WDOG_P(xs)) { 698 isp_prt(isp, ISP_LOGDEBUG1, 699 "recursive watchdog (handle 0x%x)", handle); 700 ISP_IUNLOCK(isp); 701 return; 702 } 703 704 XS_CMD_S_WDOG(xs); 705 706 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 707 isp_intr(isp, isr, sema, mbox); 708 709 } 710 if (XS_CMD_DONE_P(xs)) { 711 isp_prt(isp, ISP_LOGDEBUG1, 712 "watchdog cleanup for handle 0x%x", handle); 713 XS_CMD_C_WDOG(xs); 714 isp_done(xs); 715 } else if (XS_CMD_GRACE_P(xs)) { 716 isp_prt(isp, ISP_LOGDEBUG1, 717 "watchdog timeout for handle 0x%x", handle); 718 /* 719 * Make sure the command is *really* dead before we 720 * release the handle (and DMA resources) for reuse. 721 */ 722 (void) isp_control(isp, ISPCTL_ABORT_CMD, arg); 723 724 /* 725 * After this point, the command is really dead. 726 */ 727 if (XS_XFRLEN(xs)) { 728 ISP_DMAFREE(isp, xs, handle); 729 } 730 isp_destroy_handle(isp, handle); 731 XS_SETERR(xs, XS_TIMEOUT); 732 XS_CMD_S_CLEAR(xs); 733 isp_done(xs); 734 } else { 735 u_int16_t nxti, optr; 736 ispreq_t local, *mp = &local, *qe; 737 isp_prt(isp, ISP_LOGDEBUG2, 738 "possible command timeout on handle %x", handle); 739 XS_CMD_C_WDOG(xs); 740 callout_reset(&xs->xs_callout, hz, isp_dog, xs); 741 if (isp_getrqentry(isp, &nxti, &optr, (void *) &qe)) { 742 ISP_UNLOCK(isp); 743 return; 744 } 745 XS_CMD_S_GRACE(xs); 746 MEMZERO((void *) mp, sizeof (*mp)); 747 mp->req_header.rqs_entry_count = 1; 748 mp->req_header.rqs_entry_type = RQSTYPE_MARKER; 749 mp->req_modifier = SYNC_ALL; 750 mp->req_target = XS_CHANNEL(xs) << 7; 751 isp_put_request(isp, mp, qe); 752 ISP_ADD_REQUEST(isp, nxti); 753 } 754 } else { 755 isp_prt(isp, ISP_LOGDEBUG0, "watchdog with no command"); 756 } 757 ISP_IUNLOCK(isp); 758 } 759 760 /* 761 * Fibre Channel state cleanup thread 762 */ 763 static void 764 isp_create_fc_worker(void *arg) 765 { 766 struct ispsoftc *isp = arg; 767 768 if (kthread_create1(isp_fc_worker, isp, &isp->isp_osinfo.thread, 769 "%s:fc_thrd", isp->isp_name)) { 770 isp_prt(isp, ISP_LOGERR, "unable to create FC worker thread"); 771 panic("isp_create_fc_worker"); 772 } 773 774 } 775 776 static void 777 isp_fc_worker(void *arg) 778 { 779 void scsipi_run_queue(struct scsipi_channel *); 780 struct ispsoftc *isp = arg; 781 782 for (;;) { 783 int s; 784 785 /* 786 * Note we do *not* use the ISP_LOCK/ISP_UNLOCK macros here. 787 */ 788 s = splbio(); 789 while (isp->isp_osinfo.threadwork) { 790 isp->isp_osinfo.threadwork = 0; 791 if (isp_fc_runstate(isp, 250000) == 0) { 792 break; 793 } 794 if (isp->isp_osinfo.loop_checked && 795 FCPARAM(isp)->loop_seen_once == 0) { 796 splx(s); 797 goto skip; 798 } 799 isp->isp_osinfo.loop_checked = 1; 800 isp->isp_osinfo.threadwork = 1; 801 splx(s); 802 delay(500 * 1000); 803 s = splbio(); 804 } 805 if (FCPARAM(isp)->isp_fwstate != FW_READY || 806 FCPARAM(isp)->isp_loopstate != LOOP_READY) { 807 isp_prt(isp, ISP_LOGINFO, "isp_fc_runstate in vain"); 808 isp->isp_osinfo.threadwork = 1; 809 splx(s); 810 continue; 811 } 812 813 if (isp->isp_osinfo.blocked) { 814 isp->isp_osinfo.blocked = 0; 815 isp_prt(isp, ISP_LOGDEBUG0, 816 "restarting queues (freeze count %d)", 817 isp->isp_chanA.chan_qfreeze); 818 scsipi_channel_thaw(&isp->isp_chanA, 1); 819 } 820 821 if (isp->isp_osinfo.thread == NULL) 822 break; 823 824 skip: 825 (void) tsleep(&isp->isp_osinfo.thread, PRIBIO, "fcclnup", 0); 826 827 splx(s); 828 } 829 830 /* In case parent is waiting for us to exit. */ 831 wakeup(&isp->isp_osinfo.thread); 832 833 kthread_exit(0); 834 } 835 836 /* 837 * Free any associated resources prior to decommissioning and 838 * set the card to a known state (so it doesn't wake up and kick 839 * us when we aren't expecting it to). 840 * 841 * Locks are held before coming here. 842 */ 843 void 844 isp_uninit(struct ispsoftc *isp) 845 { 846 isp_lock(isp); 847 /* 848 * Leave with interrupts disabled. 849 */ 850 DISABLE_INTS(isp); 851 isp_unlock(isp); 852 } 853 854 int 855 isp_async(struct ispsoftc *isp, ispasync_t cmd, void *arg) 856 { 857 int bus, tgt; 858 859 switch (cmd) { 860 case ISPASYNC_NEW_TGT_PARAMS: 861 if (IS_SCSI(isp) && isp->isp_dblev) { 862 sdparam *sdp = isp->isp_param; 863 int flags; 864 struct scsipi_xfer_mode xm; 865 866 tgt = *((int *) arg); 867 bus = (tgt >> 16) & 0xffff; 868 tgt &= 0xffff; 869 sdp += bus; 870 flags = sdp->isp_devparam[tgt].actv_flags; 871 872 xm.xm_mode = 0; 873 xm.xm_period = sdp->isp_devparam[tgt].actv_period; 874 xm.xm_offset = sdp->isp_devparam[tgt].actv_offset; 875 xm.xm_target = tgt; 876 877 if ((flags & DPARM_SYNC) && xm.xm_period && xm.xm_offset) 878 xm.xm_mode |= PERIPH_CAP_SYNC; 879 if (flags & DPARM_WIDE) 880 xm.xm_mode |= PERIPH_CAP_WIDE16; 881 if (flags & DPARM_TQING) 882 xm.xm_mode |= PERIPH_CAP_TQING; 883 scsipi_async_event(bus? &isp->isp_chanB : &isp->isp_chanA, 884 ASYNC_EVENT_XFER_MODE, &xm); 885 break; 886 } 887 case ISPASYNC_BUS_RESET: 888 bus = *((int *) arg); 889 scsipi_async_event(bus? &isp->isp_chanB : &isp->isp_chanA, 890 ASYNC_EVENT_RESET, NULL); 891 isp_prt(isp, ISP_LOGINFO, "SCSI bus %d reset detected", bus); 892 break; 893 case ISPASYNC_LIP: 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, "LIP Received"); 905 break; 906 case ISPASYNC_LOOP_RESET: 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 Reset Received"); 918 break; 919 case ISPASYNC_LOOP_DOWN: 920 /* 921 * Don't do queue freezes or blockage until we have the 922 * thread running that can unfreeze/unblock us. 923 */ 924 if (isp->isp_osinfo.blocked == 0) { 925 if (isp->isp_osinfo.thread) { 926 isp->isp_osinfo.blocked = 1; 927 scsipi_channel_freeze(&isp->isp_chanA, 1); 928 } 929 } 930 isp_prt(isp, ISP_LOGINFO, "Loop DOWN"); 931 break; 932 case ISPASYNC_LOOP_UP: 933 /* 934 * Let the subsequent ISPASYNC_CHANGE_NOTIFY invoke 935 * the FC worker thread. When the FC worker thread 936 * is done, let *it* call scsipi_channel_thaw... 937 */ 938 isp_prt(isp, ISP_LOGINFO, "Loop UP"); 939 break; 940 case ISPASYNC_PROMENADE: 941 if (IS_FC(isp) && isp->isp_dblev) { 942 static const char fmt[] = "Target %d (Loop 0x%x) Port ID 0x%x " 943 "(role %s) %s\n Port WWN 0x%08x%08x\n Node WWN 0x%08x%08x"; 944 static const char *const roles[4] = { 945 "None", "Target", "Initiator", "Target/Initiator" 946 }; 947 fcparam *fcp = isp->isp_param; 948 int tgt1 = *((int *) arg); 949 struct lportdb *lp = &fcp->portdb[tgt1]; 950 951 isp_prt(isp, ISP_LOGINFO, fmt, tgt1, lp->loopid, lp->portid, 952 roles[lp->roles & 0x3], 953 (lp->valid)? "Arrived" : "Departed", 954 (u_int32_t) (lp->port_wwn >> 32), 955 (u_int32_t) (lp->port_wwn & 0xffffffffLL), 956 (u_int32_t) (lp->node_wwn >> 32), 957 (u_int32_t) (lp->node_wwn & 0xffffffffLL)); 958 break; 959 } 960 case ISPASYNC_CHANGE_NOTIFY: 961 if (arg == ISPASYNC_CHANGE_PDB) { 962 isp_prt(isp, ISP_LOGINFO, "Port Database Changed"); 963 } else if (arg == ISPASYNC_CHANGE_SNS) { 964 isp_prt(isp, ISP_LOGINFO, 965 "Name Server Database Changed"); 966 } 967 968 /* 969 * We can set blocked here because we know it's now okay 970 * to try and run isp_fc_runstate (in order to build loop 971 * state). But we don't try and freeze the midlayer's queue 972 * if we have no thread that we can wake to later unfreeze 973 * it. 974 */ 975 if (isp->isp_osinfo.blocked == 0) { 976 isp->isp_osinfo.blocked = 1; 977 if (isp->isp_osinfo.thread) { 978 scsipi_channel_freeze(&isp->isp_chanA, 1); 979 } 980 } 981 /* 982 * Note that we have work for the thread to do, and 983 * if the thread is here already, wake it up. 984 */ 985 isp->isp_osinfo.threadwork++; 986 if (isp->isp_osinfo.thread) { 987 wakeup(&isp->isp_osinfo.thread); 988 } else { 989 isp_prt(isp, ISP_LOGDEBUG1, "no FC thread yet"); 990 } 991 break; 992 case ISPASYNC_FABRIC_DEV: 993 { 994 int target, base, lim; 995 fcparam *fcp = isp->isp_param; 996 struct lportdb *lp = NULL; 997 struct lportdb *clp = (struct lportdb *) arg; 998 const char *pt; 999 1000 switch (clp->port_type) { 1001 case 1: 1002 pt = " N_Port"; 1003 break; 1004 case 2: 1005 pt = " NL_Port"; 1006 break; 1007 case 3: 1008 pt = "F/NL_Port"; 1009 break; 1010 case 0x7f: 1011 pt = " Nx_Port"; 1012 break; 1013 case 0x81: 1014 pt = " F_port"; 1015 break; 1016 case 0x82: 1017 pt = " FL_Port"; 1018 break; 1019 case 0x84: 1020 pt = " E_port"; 1021 break; 1022 default: 1023 pt = " "; 1024 break; 1025 } 1026 1027 isp_prt(isp, ISP_LOGINFO, 1028 "%s Fabric Device @ PortID 0x%x", pt, clp->portid); 1029 1030 /* 1031 * If we don't have an initiator role we bail. 1032 * 1033 * We just use ISPASYNC_FABRIC_DEV for announcement purposes. 1034 */ 1035 1036 if ((isp->isp_role & ISP_ROLE_INITIATOR) == 0) { 1037 break; 1038 } 1039 1040 /* 1041 * Is this entry for us? If so, we bail. 1042 */ 1043 1044 if (fcp->isp_portid == clp->portid) { 1045 break; 1046 } 1047 1048 /* 1049 * Else, the default policy is to find room for it in 1050 * our local port database. Later, when we execute 1051 * the call to isp_pdb_sync either this newly arrived 1052 * or already logged in device will be (re)announced. 1053 */ 1054 1055 if (fcp->isp_topo == TOPO_FL_PORT) 1056 base = FC_SNS_ID+1; 1057 else 1058 base = 0; 1059 1060 if (fcp->isp_topo == TOPO_N_PORT) 1061 lim = 1; 1062 else 1063 lim = MAX_FC_TARG; 1064 1065 /* 1066 * Is it already in our list? 1067 */ 1068 for (target = base; target < lim; target++) { 1069 if (target >= FL_PORT_ID && target <= FC_SNS_ID) { 1070 continue; 1071 } 1072 lp = &fcp->portdb[target]; 1073 if (lp->port_wwn == clp->port_wwn && 1074 lp->node_wwn == clp->node_wwn) { 1075 lp->fabric_dev = 1; 1076 break; 1077 } 1078 } 1079 if (target < lim) { 1080 break; 1081 } 1082 for (target = base; target < lim; target++) { 1083 if (target >= FL_PORT_ID && target <= FC_SNS_ID) { 1084 continue; 1085 } 1086 lp = &fcp->portdb[target]; 1087 if (lp->port_wwn == 0) { 1088 break; 1089 } 1090 } 1091 if (target == lim) { 1092 isp_prt(isp, ISP_LOGWARN, 1093 "out of space for fabric devices"); 1094 break; 1095 } 1096 lp->port_type = clp->port_type; 1097 lp->fc4_type = clp->fc4_type; 1098 lp->node_wwn = clp->node_wwn; 1099 lp->port_wwn = clp->port_wwn; 1100 lp->portid = clp->portid; 1101 lp->fabric_dev = 1; 1102 break; 1103 } 1104 case ISPASYNC_FW_CRASH: 1105 { 1106 u_int16_t mbox1, mbox6; 1107 mbox1 = ISP_READ(isp, OUTMAILBOX1); 1108 if (IS_DUALBUS(isp)) { 1109 mbox6 = ISP_READ(isp, OUTMAILBOX6); 1110 } else { 1111 mbox6 = 0; 1112 } 1113 isp_prt(isp, ISP_LOGERR, 1114 "Internal Firmware Error on bus %d @ RISC Address 0x%x", 1115 mbox6, mbox1); 1116 #ifdef ISP_FW_CRASH_DUMP 1117 if (IS_FC(isp)) { 1118 if (isp->isp_osinfo.blocked == 0) { 1119 isp->isp_osinfo.blocked = 1; 1120 scsipi_channel_freeze(&isp->isp_chanA, 1); 1121 } 1122 isp_fw_dump(isp); 1123 } 1124 isp_reinit(isp); 1125 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 1126 #endif 1127 break; 1128 } 1129 default: 1130 break; 1131 } 1132 return (0); 1133 } 1134 1135 #include <machine/stdarg.h> 1136 void 1137 isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...) 1138 { 1139 va_list ap; 1140 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 1141 return; 1142 } 1143 printf("%s: ", isp->isp_name); 1144 va_start(ap, fmt); 1145 vprintf(fmt, ap); 1146 va_end(ap); 1147 printf("\n"); 1148 } 1149
Indexes created Tue Sep 23 14:10:03 GMT 2025