1 /* $FreeBSD: src/sys/dev/isp/isp_freebsd.c,v 1.32.2.20 2002/10/11 18:49:25 mjacob Exp $ */ 2 /* $DragonFly: src/sys/dev/disk/isp/isp_freebsd.c,v 1.11 2004/09/17 03:39:39 joerg Exp $ */ 3 /* 4 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters. 5 * 6 * Copyright (c) 1997, 1998, 1999, 2000, 2001 by Matthew Jacob 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 #include "isp_freebsd.h" 30 #include <sys/unistd.h> 31 #include <sys/kthread.h> 32 #include <machine/stdarg.h> /* for use by isp_prt below */ 33 #include <sys/conf.h> 34 #include <sys/ioccom.h> 35 #include "isp_ioctl.h" 36 37 38 static d_ioctl_t ispioctl; 39 static void isp_intr_enable(void *); 40 static void isp_cam_async(void *, u_int32_t, struct cam_path *, void *); 41 static void isp_poll(struct cam_sim *); 42 static timeout_t isp_watchdog; 43 static void isp_kthread(void *); 44 static void isp_action(struct cam_sim *, union ccb *); 45 46 47 #define ISP_CDEV_MAJOR 248 48 static struct cdevsw isp_cdevsw = { 49 /* name */ "isp", 50 /* maj */ ISP_CDEV_MAJOR, 51 /* flags */ D_TAPE, 52 /* port */ NULL, 53 /* clone */ NULL, 54 55 /* open */ nullopen, 56 /* close */ nullclose, 57 /* read */ noread, 58 /* write */ nowrite, 59 /* ioctl */ ispioctl, 60 /* poll */ nopoll, 61 /* mmap */ nommap, 62 /* strategy */ nostrategy, 63 /* dump */ nodump, 64 /* psize */ nopsize 65 }; 66 67 static struct ispsoftc *isplist = NULL; 68 69 void 70 isp_attach(struct ispsoftc *isp) 71 { 72 int primary, secondary; 73 struct ccb_setasync csa; 74 struct cam_devq *devq; 75 struct cam_sim *sim; 76 struct cam_path *path; 77 78 /* 79 * Establish (in case of 12X0) which bus is the primary. 80 */ 81 82 primary = 0; 83 secondary = 1; 84 85 /* 86 * Create the device queue for our SIM(s). 87 */ 88 devq = cam_simq_alloc(isp->isp_maxcmds); 89 if (devq == NULL) { 90 return; 91 } 92 93 /* 94 * Construct our SIM entry. 95 */ 96 ISPLOCK_2_CAMLOCK(isp); 97 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 98 device_get_unit(isp->isp_dev), 1, isp->isp_maxcmds, devq); 99 cam_simq_release(devq); /* leaves 1 ref due to cam_sim_alloc */ 100 if (sim == NULL) { 101 CAMLOCK_2_ISPLOCK(isp); 102 return; 103 } 104 CAMLOCK_2_ISPLOCK(isp); 105 106 isp->isp_osinfo.ehook.ich_func = isp_intr_enable; 107 isp->isp_osinfo.ehook.ich_arg = isp; 108 ISPLOCK_2_CAMLOCK(isp); 109 if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) { 110 cam_sim_free(sim); 111 CAMLOCK_2_ISPLOCK(isp); 112 isp_prt(isp, ISP_LOGERR, 113 "could not establish interrupt enable hook"); 114 return; 115 } 116 117 if (xpt_bus_register(sim, primary) != CAM_SUCCESS) { 118 cam_sim_free(sim); 119 CAMLOCK_2_ISPLOCK(isp); 120 return; 121 } 122 123 if (xpt_create_path(&path, NULL, cam_sim_path(sim), 124 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 125 xpt_bus_deregister(cam_sim_path(sim)); 126 cam_sim_free(sim); 127 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 128 CAMLOCK_2_ISPLOCK(isp); 129 return; 130 } 131 132 xpt_setup_ccb(&csa.ccb_h, path, 5); 133 csa.ccb_h.func_code = XPT_SASYNC_CB; 134 csa.event_enable = AC_LOST_DEVICE; 135 csa.callback = isp_cam_async; 136 csa.callback_arg = sim; 137 xpt_action((union ccb *)&csa); 138 CAMLOCK_2_ISPLOCK(isp); 139 isp->isp_sim = sim; 140 isp->isp_path = path; 141 /* 142 * Create a kernel thread for fibre channel instances. We 143 * don't have dual channel FC cards. 144 */ 145 if (IS_FC(isp)) { 146 ISPLOCK_2_CAMLOCK(isp); 147 if (kthread_create(isp_kthread, isp, &isp->isp_osinfo.kthread, 148 "%s: fc_thrd", device_get_nameunit(isp->isp_dev))) { 149 xpt_bus_deregister(cam_sim_path(sim)); 150 cam_sim_free(sim); 151 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 152 CAMLOCK_2_ISPLOCK(isp); 153 isp_prt(isp, ISP_LOGERR, "could not create kthread"); 154 return; 155 } 156 CAMLOCK_2_ISPLOCK(isp); 157 } 158 159 160 /* 161 * If we have a second channel, construct SIM entry for that. 162 */ 163 if (IS_DUALBUS(isp)) { 164 ISPLOCK_2_CAMLOCK(isp); 165 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 166 device_get_unit(isp->isp_dev), 1, isp->isp_maxcmds, devq); 167 if (sim == NULL) { 168 xpt_bus_deregister(cam_sim_path(isp->isp_sim)); 169 xpt_free_path(isp->isp_path); 170 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 171 return; 172 } 173 if (xpt_bus_register(sim, secondary) != CAM_SUCCESS) { 174 xpt_bus_deregister(cam_sim_path(isp->isp_sim)); 175 xpt_free_path(isp->isp_path); 176 cam_sim_free(sim); 177 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 178 CAMLOCK_2_ISPLOCK(isp); 179 return; 180 } 181 182 if (xpt_create_path(&path, NULL, cam_sim_path(sim), 183 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 184 xpt_bus_deregister(cam_sim_path(isp->isp_sim)); 185 xpt_free_path(isp->isp_path); 186 xpt_bus_deregister(cam_sim_path(sim)); 187 cam_sim_free(sim); 188 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 189 CAMLOCK_2_ISPLOCK(isp); 190 return; 191 } 192 193 xpt_setup_ccb(&csa.ccb_h, path, 5); 194 csa.ccb_h.func_code = XPT_SASYNC_CB; 195 csa.event_enable = AC_LOST_DEVICE; 196 csa.callback = isp_cam_async; 197 csa.callback_arg = sim; 198 xpt_action((union ccb *)&csa); 199 CAMLOCK_2_ISPLOCK(isp); 200 isp->isp_sim2 = sim; 201 isp->isp_path2 = path; 202 } 203 /* 204 * Create device nodes 205 */ 206 cdevsw_add(&isp_cdevsw, -1, device_get_unit(isp->isp_dev)); 207 make_dev(&isp_cdevsw, device_get_unit(isp->isp_dev), UID_ROOT, 208 GID_OPERATOR, 0600, "%s", device_get_nameunit(isp->isp_dev)); 209 210 if (isp->isp_role != ISP_ROLE_NONE) { 211 isp->isp_state = ISP_RUNSTATE; 212 } 213 if (isplist == NULL) { 214 isplist = isp; 215 } else { 216 struct ispsoftc *tmp = isplist; 217 while (tmp->isp_osinfo.next) { 218 tmp = tmp->isp_osinfo.next; 219 } 220 tmp->isp_osinfo.next = isp; 221 } 222 223 } 224 225 static INLINE void 226 isp_freeze_loopdown(struct ispsoftc *isp, char *msg) 227 { 228 if (isp->isp_osinfo.simqfrozen == 0) { 229 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown)", msg); 230 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN; 231 ISPLOCK_2_CAMLOCK(isp); 232 xpt_freeze_simq(isp->isp_sim, 1); 233 CAMLOCK_2_ISPLOCK(isp); 234 } else { 235 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown)", msg); 236 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN; 237 } 238 } 239 240 static int 241 ispioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, d_thread_t *td) 242 { 243 struct ispsoftc *isp; 244 int retval = ENOTTY; 245 246 isp = isplist; 247 while (isp) { 248 if (minor(dev) == device_get_unit(isp->isp_dev)) { 249 break; 250 } 251 isp = isp->isp_osinfo.next; 252 } 253 if (isp == NULL) 254 return (ENXIO); 255 256 switch (cmd) { 257 #ifdef ISP_FW_CRASH_DUMP 258 case ISP_GET_FW_CRASH_DUMP: 259 { 260 u_int16_t *ptr = FCPARAM(isp)->isp_dump_data; 261 size_t sz; 262 263 retval = 0; 264 if (IS_2200(isp)) 265 sz = QLA2200_RISC_IMAGE_DUMP_SIZE; 266 else 267 sz = QLA2300_RISC_IMAGE_DUMP_SIZE; 268 ISP_LOCK(isp); 269 if (ptr && *ptr) { 270 void *uaddr = *((void **) addr); 271 if (copyout(ptr, uaddr, sz)) { 272 retval = EFAULT; 273 } else { 274 *ptr = 0; 275 } 276 } else { 277 retval = ENXIO; 278 } 279 ISP_UNLOCK(isp); 280 break; 281 } 282 283 case ISP_FORCE_CRASH_DUMP: 284 ISP_LOCK(isp); 285 isp_freeze_loopdown(isp, "ispioctl(ISP_FORCE_CRASH_DUMP)"); 286 isp_fw_dump(isp); 287 isp_reinit(isp); 288 ISP_UNLOCK(isp); 289 retval = 0; 290 break; 291 #endif 292 case ISP_SDBLEV: 293 { 294 int olddblev = isp->isp_dblev; 295 isp->isp_dblev = *(int *)addr; 296 *(int *)addr = olddblev; 297 retval = 0; 298 break; 299 } 300 case ISP_RESETHBA: 301 ISP_LOCK(isp); 302 isp_reinit(isp); 303 ISP_UNLOCK(isp); 304 retval = 0; 305 break; 306 case ISP_RESCAN: 307 if (IS_FC(isp)) { 308 ISP_LOCK(isp); 309 if (isp_fc_runstate(isp, 5 * 1000000)) { 310 retval = EIO; 311 } else { 312 retval = 0; 313 } 314 ISP_UNLOCK(isp); 315 } 316 break; 317 case ISP_FC_LIP: 318 if (IS_FC(isp)) { 319 ISP_LOCK(isp); 320 if (isp_control(isp, ISPCTL_SEND_LIP, 0)) { 321 retval = EIO; 322 } else { 323 retval = 0; 324 } 325 ISP_UNLOCK(isp); 326 } 327 break; 328 case ISP_FC_GETDINFO: 329 { 330 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 331 struct lportdb *lp; 332 333 if (ifc->loopid < 0 || ifc->loopid >= MAX_FC_TARG) { 334 retval = EINVAL; 335 break; 336 } 337 ISP_LOCK(isp); 338 lp = &FCPARAM(isp)->portdb[ifc->loopid]; 339 if (lp->valid) { 340 ifc->loopid = lp->loopid; 341 ifc->portid = lp->portid; 342 ifc->node_wwn = lp->node_wwn; 343 ifc->port_wwn = lp->port_wwn; 344 retval = 0; 345 } else { 346 retval = ENODEV; 347 } 348 ISP_UNLOCK(isp); 349 break; 350 } 351 case ISP_GET_STATS: 352 { 353 isp_stats_t *sp = (isp_stats_t *) addr; 354 355 MEMZERO(sp, sizeof (*sp)); 356 sp->isp_stat_version = ISP_STATS_VERSION; 357 sp->isp_type = isp->isp_type; 358 sp->isp_revision = isp->isp_revision; 359 ISP_LOCK(isp); 360 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 361 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 362 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 363 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 364 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 365 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 366 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 367 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 368 ISP_UNLOCK(isp); 369 retval = 0; 370 break; 371 } 372 case ISP_CLR_STATS: 373 ISP_LOCK(isp); 374 isp->isp_intcnt = 0; 375 isp->isp_intbogus = 0; 376 isp->isp_intmboxc = 0; 377 isp->isp_intoasync = 0; 378 isp->isp_rsltccmplt = 0; 379 isp->isp_fphccmplt = 0; 380 isp->isp_rscchiwater = 0; 381 isp->isp_fpcchiwater = 0; 382 ISP_UNLOCK(isp); 383 retval = 0; 384 break; 385 case ISP_FC_GETHINFO: 386 { 387 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 388 MEMZERO(hba, sizeof (*hba)); 389 ISP_LOCK(isp); 390 hba->fc_speed = FCPARAM(isp)->isp_gbspeed; 391 hba->fc_scsi_supported = 1; 392 hba->fc_topology = FCPARAM(isp)->isp_topo + 1; 393 hba->fc_loopid = FCPARAM(isp)->isp_loopid; 394 hba->active_node_wwn = FCPARAM(isp)->isp_nodewwn; 395 hba->active_port_wwn = FCPARAM(isp)->isp_portwwn; 396 ISP_UNLOCK(isp); 397 retval = 0; 398 break; 399 } 400 case ISP_GET_FC_PARAM: 401 { 402 struct isp_fc_param *f = (struct isp_fc_param *) addr; 403 404 if (!IS_FC(isp)) { 405 retval = EINVAL; 406 break; 407 } 408 f->parameter = 0; 409 if (strcmp(f->param_name, "framelength") == 0) { 410 f->parameter = FCPARAM(isp)->isp_maxfrmlen; 411 retval = 0; 412 break; 413 } 414 if (strcmp(f->param_name, "exec_throttle") == 0) { 415 f->parameter = FCPARAM(isp)->isp_execthrottle; 416 retval = 0; 417 break; 418 } 419 if (strcmp(f->param_name, "fullduplex") == 0) { 420 if (FCPARAM(isp)->isp_fwoptions & ICBOPT_FULL_DUPLEX) 421 f->parameter = 1; 422 retval = 0; 423 break; 424 } 425 if (strcmp(f->param_name, "loopid") == 0) { 426 f->parameter = FCPARAM(isp)->isp_loopid; 427 retval = 0; 428 break; 429 } 430 retval = EINVAL; 431 break; 432 } 433 case ISP_SET_FC_PARAM: 434 { 435 struct isp_fc_param *f = (struct isp_fc_param *) addr; 436 u_int32_t param = f->parameter; 437 438 if (!IS_FC(isp)) { 439 retval = EINVAL; 440 break; 441 } 442 f->parameter = 0; 443 if (strcmp(f->param_name, "framelength") == 0) { 444 if (param != 512 && param != 1024 && param != 1024) { 445 retval = EINVAL; 446 break; 447 } 448 FCPARAM(isp)->isp_maxfrmlen = param; 449 retval = 0; 450 break; 451 } 452 if (strcmp(f->param_name, "exec_throttle") == 0) { 453 if (param < 16 || param > 255) { 454 retval = EINVAL; 455 break; 456 } 457 FCPARAM(isp)->isp_execthrottle = param; 458 retval = 0; 459 break; 460 } 461 if (strcmp(f->param_name, "fullduplex") == 0) { 462 if (param != 0 && param != 1) { 463 retval = EINVAL; 464 break; 465 } 466 if (param) { 467 FCPARAM(isp)->isp_fwoptions |= 468 ICBOPT_FULL_DUPLEX; 469 } else { 470 FCPARAM(isp)->isp_fwoptions &= 471 ~ICBOPT_FULL_DUPLEX; 472 } 473 retval = 0; 474 break; 475 } 476 if (strcmp(f->param_name, "loopid") == 0) { 477 if (param < 0 || param > 125) { 478 retval = EINVAL; 479 break; 480 } 481 FCPARAM(isp)->isp_loopid = param; 482 retval = 0; 483 break; 484 } 485 retval = EINVAL; 486 break; 487 } 488 default: 489 break; 490 } 491 return (retval); 492 } 493 494 static void 495 isp_intr_enable(void *arg) 496 { 497 struct ispsoftc *isp = arg; 498 if (isp->isp_role != ISP_ROLE_NONE) { 499 ENABLE_INTS(isp); 500 } 501 /* Release our hook so that the boot can continue. */ 502 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 503 } 504 505 /* 506 * Put the target mode functions here, because some are inlines 507 */ 508 509 #ifdef ISP_TARGET_MODE 510 511 static INLINE int is_lun_enabled(struct ispsoftc *, int, lun_id_t); 512 static INLINE int are_any_luns_enabled(struct ispsoftc *, int); 513 static INLINE tstate_t *get_lun_statep(struct ispsoftc *, int, lun_id_t); 514 static INLINE void rls_lun_statep(struct ispsoftc *, tstate_t *); 515 static INLINE int isp_psema_sig_rqe(struct ispsoftc *, int); 516 static INLINE int isp_cv_wait_timed_rqe(struct ispsoftc *, int, int); 517 static INLINE void isp_cv_signal_rqe(struct ispsoftc *, int, int); 518 static INLINE void isp_vsema_rqe(struct ispsoftc *, int); 519 static INLINE atio_private_data_t *isp_get_atpd(struct ispsoftc *, int); 520 static cam_status 521 create_lun_state(struct ispsoftc *, int, struct cam_path *, tstate_t **); 522 static void destroy_lun_state(struct ispsoftc *, tstate_t *); 523 static void isp_en_lun(struct ispsoftc *, union ccb *); 524 static cam_status isp_abort_tgt_ccb(struct ispsoftc *, union ccb *); 525 static timeout_t isp_refire_putback_atio; 526 static void isp_complete_ctio(union ccb *); 527 static void isp_target_putback_atio(union ccb *); 528 static cam_status isp_target_start_ctio(struct ispsoftc *, union ccb *); 529 static int isp_handle_platform_atio(struct ispsoftc *, at_entry_t *); 530 static int isp_handle_platform_atio2(struct ispsoftc *, at2_entry_t *); 531 static int isp_handle_platform_ctio(struct ispsoftc *, void *); 532 static int isp_handle_platform_notify_scsi(struct ispsoftc *, in_entry_t *); 533 static int isp_handle_platform_notify_fc(struct ispsoftc *, in_fcentry_t *); 534 535 static INLINE int 536 is_lun_enabled(struct ispsoftc *isp, int bus, lun_id_t lun) 537 { 538 tstate_t *tptr; 539 tptr = isp->isp_osinfo.lun_hash[LUN_HASH_FUNC(isp, bus, lun)]; 540 if (tptr == NULL) { 541 return (0); 542 } 543 do { 544 if (tptr->lun == (lun_id_t) lun && tptr->bus == bus) { 545 return (1); 546 } 547 } while ((tptr = tptr->next) != NULL); 548 return (0); 549 } 550 551 static INLINE int 552 are_any_luns_enabled(struct ispsoftc *isp, int port) 553 { 554 int lo, hi; 555 if (IS_DUALBUS(isp)) { 556 lo = (port * (LUN_HASH_SIZE >> 1)); 557 hi = lo + (LUN_HASH_SIZE >> 1); 558 } else { 559 lo = 0; 560 hi = LUN_HASH_SIZE; 561 } 562 for (lo = 0; lo < hi; lo++) { 563 if (isp->isp_osinfo.lun_hash[lo]) { 564 return (1); 565 } 566 } 567 return (0); 568 } 569 570 static INLINE tstate_t * 571 get_lun_statep(struct ispsoftc *isp, int bus, lun_id_t lun) 572 { 573 tstate_t *tptr = NULL; 574 575 if (lun == CAM_LUN_WILDCARD) { 576 if (isp->isp_osinfo.tmflags[bus] & TM_WILDCARD_ENABLED) { 577 tptr = &isp->isp_osinfo.tsdflt[bus]; 578 tptr->hold++; 579 return (tptr); 580 } 581 } else { 582 tptr = isp->isp_osinfo.lun_hash[LUN_HASH_FUNC(isp, bus, lun)]; 583 if (tptr == NULL) { 584 return (NULL); 585 } 586 } 587 588 do { 589 if (tptr->lun == lun && tptr->bus == bus) { 590 tptr->hold++; 591 return (tptr); 592 } 593 } while ((tptr = tptr->next) != NULL); 594 return (tptr); 595 } 596 597 static __inline void 598 rls_lun_statep(struct ispsoftc *isp, tstate_t *tptr) 599 { 600 if (tptr->hold) 601 tptr->hold--; 602 } 603 604 static __inline int 605 isp_psema_sig_rqe(struct ispsoftc *isp, int bus) 606 { 607 while (isp->isp_osinfo.tmflags[bus] & TM_BUSY) { 608 isp->isp_osinfo.tmflags[bus] |= TM_WANTED; 609 if (tsleep(&isp->isp_osinfo.tmflags[bus], PCATCH, "i0", 0)) { 610 return (-1); 611 } 612 isp->isp_osinfo.tmflags[bus] |= TM_BUSY; 613 } 614 return (0); 615 } 616 617 static __inline int 618 isp_cv_wait_timed_rqe(struct ispsoftc *isp, int bus, int timo) 619 { 620 if (tsleep(&isp->isp_osinfo.rstatus[bus], 0, "qt1", timo)) { 621 return (-1); 622 } 623 return (0); 624 } 625 626 static __inline void 627 isp_cv_signal_rqe(struct ispsoftc *isp, int bus, int status) 628 { 629 isp->isp_osinfo.rstatus[bus] = status; 630 wakeup(&isp->isp_osinfo.rstatus[bus]); 631 } 632 633 static __inline void 634 isp_vsema_rqe(struct ispsoftc *isp, int bus) 635 { 636 if (isp->isp_osinfo.tmflags[bus] & TM_WANTED) { 637 isp->isp_osinfo.tmflags[bus] &= ~TM_WANTED; 638 wakeup(&isp->isp_osinfo.tmflags[bus]); 639 } 640 isp->isp_osinfo.tmflags[bus] &= ~TM_BUSY; 641 } 642 643 static __inline atio_private_data_t * 644 isp_get_atpd(struct ispsoftc *isp, int tag) 645 { 646 atio_private_data_t *atp; 647 for (atp = isp->isp_osinfo.atpdp; 648 atp < &isp->isp_osinfo.atpdp[ATPDPSIZE]; atp++) { 649 if (atp->tag == tag) 650 return (atp); 651 } 652 return (NULL); 653 } 654 655 static cam_status 656 create_lun_state(struct ispsoftc *isp, int bus, 657 struct cam_path *path, tstate_t **rslt) 658 { 659 cam_status status; 660 lun_id_t lun; 661 int hfx; 662 tstate_t *tptr, *new; 663 664 lun = xpt_path_lun_id(path); 665 if (lun < 0) { 666 return (CAM_LUN_INVALID); 667 } 668 if (is_lun_enabled(isp, bus, lun)) { 669 return (CAM_LUN_ALRDY_ENA); 670 } 671 new = malloc(sizeof (tstate_t), M_DEVBUF, M_WAITOK | M_ZERO); 672 status = xpt_create_path(&new->owner, NULL, xpt_path_path_id(path), 673 xpt_path_target_id(path), xpt_path_lun_id(path)); 674 if (status != CAM_REQ_CMP) { 675 free(new, M_DEVBUF); 676 return (status); 677 } 678 new->bus = bus; 679 new->lun = lun; 680 SLIST_INIT(&new->atios); 681 SLIST_INIT(&new->inots); 682 new->hold = 1; 683 684 hfx = LUN_HASH_FUNC(isp, new->bus, new->lun); 685 tptr = isp->isp_osinfo.lun_hash[hfx]; 686 if (tptr == NULL) { 687 isp->isp_osinfo.lun_hash[hfx] = new; 688 } else { 689 while (tptr->next) 690 tptr = tptr->next; 691 tptr->next = new; 692 } 693 *rslt = new; 694 return (CAM_REQ_CMP); 695 } 696 697 static INLINE void 698 destroy_lun_state(struct ispsoftc *isp, tstate_t *tptr) 699 { 700 int hfx; 701 tstate_t *lw, *pw; 702 703 hfx = LUN_HASH_FUNC(isp, tptr->bus, tptr->lun); 704 if (tptr->hold) { 705 return; 706 } 707 pw = isp->isp_osinfo.lun_hash[hfx]; 708 if (pw == NULL) { 709 return; 710 } else if (pw->lun == tptr->lun && pw->bus == tptr->bus) { 711 isp->isp_osinfo.lun_hash[hfx] = pw->next; 712 } else { 713 lw = pw; 714 pw = lw->next; 715 while (pw) { 716 if (pw->lun == tptr->lun && pw->bus == tptr->bus) { 717 lw->next = pw->next; 718 break; 719 } 720 lw = pw; 721 pw = pw->next; 722 } 723 if (pw == NULL) { 724 return; 725 } 726 } 727 free(tptr, M_DEVBUF); 728 } 729 730 /* 731 * we enter with our locks held. 732 */ 733 static void 734 isp_en_lun(struct ispsoftc *isp, union ccb *ccb) 735 { 736 const char lfmt[] = "Lun now %sabled for target mode on channel %d"; 737 struct ccb_en_lun *cel = &ccb->cel; 738 tstate_t *tptr; 739 u_int16_t rstat; 740 int bus, cmd, av, wildcard; 741 lun_id_t lun; 742 target_id_t tgt; 743 744 745 bus = XS_CHANNEL(ccb) & 0x1; 746 tgt = ccb->ccb_h.target_id; 747 lun = ccb->ccb_h.target_lun; 748 749 /* 750 * Do some sanity checking first. 751 */ 752 753 if ((lun != CAM_LUN_WILDCARD) && 754 (lun < 0 || lun >= (lun_id_t) isp->isp_maxluns)) { 755 ccb->ccb_h.status = CAM_LUN_INVALID; 756 return; 757 } 758 759 if (IS_SCSI(isp)) { 760 sdparam *sdp = isp->isp_param; 761 sdp += bus; 762 if (tgt != CAM_TARGET_WILDCARD && 763 tgt != sdp->isp_initiator_id) { 764 ccb->ccb_h.status = CAM_TID_INVALID; 765 return; 766 } 767 } else { 768 if (tgt != CAM_TARGET_WILDCARD && 769 tgt != FCPARAM(isp)->isp_iid) { 770 ccb->ccb_h.status = CAM_TID_INVALID; 771 return; 772 } 773 /* 774 * This is as a good a place as any to check f/w capabilities. 775 */ 776 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_TMODE) == 0) { 777 isp_prt(isp, ISP_LOGERR, 778 "firmware does not support target mode"); 779 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 780 return; 781 } 782 /* 783 * XXX: We *could* handle non-SCCLUN f/w, but we'd have to 784 * XXX: dorks with our already fragile enable/disable code. 785 */ 786 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) == 0) { 787 isp_prt(isp, ISP_LOGERR, 788 "firmware not SCCLUN capable"); 789 } 790 } 791 792 if (tgt == CAM_TARGET_WILDCARD) { 793 if (lun == CAM_LUN_WILDCARD) { 794 wildcard = 1; 795 } else { 796 ccb->ccb_h.status = CAM_LUN_INVALID; 797 return; 798 } 799 } else { 800 wildcard = 0; 801 } 802 803 /* 804 * Next check to see whether this is a target/lun wildcard action. 805 * 806 * If so, we know that we can accept commands for luns that haven't 807 * been enabled yet and send them upstream. Otherwise, we have to 808 * handle them locally (if we see them at all). 809 */ 810 811 if (wildcard) { 812 tptr = &isp->isp_osinfo.tsdflt[bus]; 813 if (cel->enable) { 814 if (isp->isp_osinfo.tmflags[bus] & 815 TM_WILDCARD_ENABLED) { 816 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 817 return; 818 } 819 ccb->ccb_h.status = 820 xpt_create_path(&tptr->owner, NULL, 821 xpt_path_path_id(ccb->ccb_h.path), 822 xpt_path_target_id(ccb->ccb_h.path), 823 xpt_path_lun_id(ccb->ccb_h.path)); 824 if (ccb->ccb_h.status != CAM_REQ_CMP) { 825 return; 826 } 827 SLIST_INIT(&tptr->atios); 828 SLIST_INIT(&tptr->inots); 829 isp->isp_osinfo.tmflags[bus] |= TM_WILDCARD_ENABLED; 830 } else { 831 if ((isp->isp_osinfo.tmflags[bus] & 832 TM_WILDCARD_ENABLED) == 0) { 833 ccb->ccb_h.status = CAM_REQ_CMP; 834 return; 835 } 836 if (tptr->hold) { 837 ccb->ccb_h.status = CAM_SCSI_BUSY; 838 return; 839 } 840 xpt_free_path(tptr->owner); 841 isp->isp_osinfo.tmflags[bus] &= ~TM_WILDCARD_ENABLED; 842 } 843 } 844 845 /* 846 * Now check to see whether this bus needs to be 847 * enabled/disabled with respect to target mode. 848 */ 849 av = bus << 31; 850 if (cel->enable && !(isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED)) { 851 av |= ENABLE_TARGET_FLAG; 852 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av); 853 if (av) { 854 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 855 if (wildcard) { 856 isp->isp_osinfo.tmflags[bus] &= 857 ~TM_WILDCARD_ENABLED; 858 xpt_free_path(tptr->owner); 859 } 860 return; 861 } 862 isp->isp_osinfo.tmflags[bus] |= TM_TMODE_ENABLED; 863 isp_prt(isp, ISP_LOGINFO, 864 "Target Mode enabled on channel %d", bus); 865 } else if (cel->enable == 0 && 866 (isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED) && wildcard) { 867 if (are_any_luns_enabled(isp, bus)) { 868 ccb->ccb_h.status = CAM_SCSI_BUSY; 869 return; 870 } 871 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av); 872 if (av) { 873 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 874 return; 875 } 876 isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED; 877 isp_prt(isp, ISP_LOGINFO, 878 "Target Mode disabled on channel %d", bus); 879 } 880 881 if (wildcard) { 882 ccb->ccb_h.status = CAM_REQ_CMP; 883 return; 884 } 885 886 if (cel->enable) { 887 ccb->ccb_h.status = 888 create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 889 if (ccb->ccb_h.status != CAM_REQ_CMP) { 890 return; 891 } 892 } else { 893 tptr = get_lun_statep(isp, bus, lun); 894 if (tptr == NULL) { 895 ccb->ccb_h.status = CAM_LUN_INVALID; 896 return; 897 } 898 } 899 900 if (isp_psema_sig_rqe(isp, bus)) { 901 rls_lun_statep(isp, tptr); 902 if (cel->enable) 903 destroy_lun_state(isp, tptr); 904 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 905 return; 906 } 907 908 if (cel->enable) { 909 u_int32_t seq = isp->isp_osinfo.rollinfo++; 910 int c, n, ulun = lun; 911 912 cmd = RQSTYPE_ENABLE_LUN; 913 c = DFLT_CMND_CNT; 914 n = DFLT_INOT_CNT; 915 if (IS_FC(isp) && lun != 0) { 916 cmd = RQSTYPE_MODIFY_LUN; 917 n = 0; 918 /* 919 * For SCC firmware, we only deal with setting 920 * (enabling or modifying) lun 0. 921 */ 922 ulun = 0; 923 } 924 rstat = LUN_ERR; 925 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq)) { 926 xpt_print_path(ccb->ccb_h.path); 927 isp_prt(isp, ISP_LOGWARN, "isp_lun_cmd failed"); 928 goto out; 929 } 930 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) { 931 xpt_print_path(ccb->ccb_h.path); 932 isp_prt(isp, ISP_LOGERR, 933 "wait for ENABLE/MODIFY LUN timed out"); 934 goto out; 935 } 936 rstat = isp->isp_osinfo.rstatus[bus]; 937 if (rstat != LUN_OK) { 938 xpt_print_path(ccb->ccb_h.path); 939 isp_prt(isp, ISP_LOGERR, 940 "ENABLE/MODIFY LUN returned 0x%x", rstat); 941 goto out; 942 } 943 } else { 944 int c, n, ulun = lun; 945 u_int32_t seq; 946 947 rstat = LUN_ERR; 948 seq = isp->isp_osinfo.rollinfo++; 949 cmd = -RQSTYPE_MODIFY_LUN; 950 951 c = DFLT_CMND_CNT; 952 n = DFLT_INOT_CNT; 953 if (IS_FC(isp) && lun != 0) { 954 n = 0; 955 /* 956 * For SCC firmware, we only deal with setting 957 * (enabling or modifying) lun 0. 958 */ 959 ulun = 0; 960 } 961 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq)) { 962 xpt_print_path(ccb->ccb_h.path); 963 isp_prt(isp, ISP_LOGERR, "isp_lun_cmd failed"); 964 goto out; 965 } 966 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) { 967 xpt_print_path(ccb->ccb_h.path); 968 isp_prt(isp, ISP_LOGERR, 969 "wait for MODIFY LUN timed out"); 970 goto out; 971 } 972 rstat = isp->isp_osinfo.rstatus[bus]; 973 if (rstat != LUN_OK) { 974 xpt_print_path(ccb->ccb_h.path); 975 isp_prt(isp, ISP_LOGERR, 976 "MODIFY LUN returned 0x%x", rstat); 977 goto out; 978 } 979 if (IS_FC(isp) && lun) { 980 goto out; 981 } 982 983 seq = isp->isp_osinfo.rollinfo++; 984 985 rstat = LUN_ERR; 986 cmd = -RQSTYPE_ENABLE_LUN; 987 if (isp_lun_cmd(isp, cmd, bus, tgt, lun, 0, 0, seq)) { 988 xpt_print_path(ccb->ccb_h.path); 989 isp_prt(isp, ISP_LOGERR, "isp_lun_cmd failed"); 990 goto out; 991 } 992 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) { 993 xpt_print_path(ccb->ccb_h.path); 994 isp_prt(isp, ISP_LOGERR, 995 "wait for DISABLE LUN timed out"); 996 goto out; 997 } 998 rstat = isp->isp_osinfo.rstatus[bus]; 999 if (rstat != LUN_OK) { 1000 xpt_print_path(ccb->ccb_h.path); 1001 isp_prt(isp, ISP_LOGWARN, 1002 "DISABLE LUN returned 0x%x", rstat); 1003 goto out; 1004 } 1005 if (are_any_luns_enabled(isp, bus) == 0) { 1006 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av); 1007 if (av) { 1008 isp_prt(isp, ISP_LOGWARN, 1009 "disable target mode on channel %d failed", 1010 bus); 1011 goto out; 1012 } 1013 isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED; 1014 xpt_print_path(ccb->ccb_h.path); 1015 isp_prt(isp, ISP_LOGINFO, 1016 "Target Mode disabled on channel %d", bus); 1017 } 1018 } 1019 1020 out: 1021 isp_vsema_rqe(isp, bus); 1022 1023 if (rstat != LUN_OK) { 1024 xpt_print_path(ccb->ccb_h.path); 1025 isp_prt(isp, ISP_LOGWARN, 1026 "lun %sable failed", (cel->enable) ? "en" : "dis"); 1027 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1028 rls_lun_statep(isp, tptr); 1029 if (cel->enable) 1030 destroy_lun_state(isp, tptr); 1031 } else { 1032 xpt_print_path(ccb->ccb_h.path); 1033 isp_prt(isp, ISP_LOGINFO, lfmt, 1034 (cel->enable) ? "en" : "dis", bus); 1035 rls_lun_statep(isp, tptr); 1036 if (cel->enable == 0) { 1037 destroy_lun_state(isp, tptr); 1038 } 1039 ccb->ccb_h.status = CAM_REQ_CMP; 1040 } 1041 } 1042 1043 static cam_status 1044 isp_abort_tgt_ccb(struct ispsoftc *isp, union ccb *ccb) 1045 { 1046 tstate_t *tptr; 1047 struct ccb_hdr_slist *lp; 1048 struct ccb_hdr *curelm; 1049 int found; 1050 union ccb *accb = ccb->cab.abort_ccb; 1051 1052 if (accb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 1053 if (IS_FC(isp) && (accb->ccb_h.target_id != 1054 ((fcparam *) isp->isp_param)->isp_loopid)) { 1055 return (CAM_PATH_INVALID); 1056 } else if (IS_SCSI(isp) && (accb->ccb_h.target_id != 1057 ((sdparam *) isp->isp_param)->isp_initiator_id)) { 1058 return (CAM_PATH_INVALID); 1059 } 1060 } 1061 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), accb->ccb_h.target_lun); 1062 if (tptr == NULL) { 1063 return (CAM_PATH_INVALID); 1064 } 1065 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 1066 lp = &tptr->atios; 1067 } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 1068 lp = &tptr->inots; 1069 } else { 1070 rls_lun_statep(isp, tptr); 1071 return (CAM_UA_ABORT); 1072 } 1073 curelm = SLIST_FIRST(lp); 1074 found = 0; 1075 if (curelm == &accb->ccb_h) { 1076 found = 1; 1077 SLIST_REMOVE_HEAD(lp, sim_links.sle); 1078 } else { 1079 while(curelm != NULL) { 1080 struct ccb_hdr *nextelm; 1081 1082 nextelm = SLIST_NEXT(curelm, sim_links.sle); 1083 if (nextelm == &accb->ccb_h) { 1084 found = 1; 1085 SLIST_NEXT(curelm, sim_links.sle) = 1086 SLIST_NEXT(nextelm, sim_links.sle); 1087 break; 1088 } 1089 curelm = nextelm; 1090 } 1091 } 1092 rls_lun_statep(isp, tptr); 1093 if (found) { 1094 accb->ccb_h.status = CAM_REQ_ABORTED; 1095 return (CAM_REQ_CMP); 1096 } 1097 return(CAM_PATH_INVALID); 1098 } 1099 1100 static cam_status 1101 isp_target_start_ctio(struct ispsoftc *isp, union ccb *ccb) 1102 { 1103 void *qe; 1104 struct ccb_scsiio *cso = &ccb->csio; 1105 u_int16_t *hp, save_handle; 1106 u_int16_t nxti, optr; 1107 u_int8_t local[QENTRY_LEN]; 1108 1109 1110 if (isp_getrqentry(isp, &nxti, &optr, &qe)) { 1111 xpt_print_path(ccb->ccb_h.path); 1112 printf("Request Queue Overflow in isp_target_start_ctio\n"); 1113 return (CAM_RESRC_UNAVAIL); 1114 } 1115 bzero(local, QENTRY_LEN); 1116 1117 /* 1118 * We're either moving data or completing a command here. 1119 */ 1120 1121 if (IS_FC(isp)) { 1122 atio_private_data_t *atp; 1123 ct2_entry_t *cto = (ct2_entry_t *) local; 1124 1125 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1126 cto->ct_header.rqs_entry_count = 1; 1127 cto->ct_iid = cso->init_id; 1128 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) == 0) { 1129 cto->ct_lun = ccb->ccb_h.target_lun; 1130 } 1131 1132 atp = isp_get_atpd(isp, cso->tag_id); 1133 if (atp == NULL) { 1134 isp_prt(isp, ISP_LOGERR, 1135 "cannot find private data adjunct for tag %x", 1136 cso->tag_id); 1137 return (-1); 1138 } 1139 1140 cto->ct_rxid = cso->tag_id; 1141 if (cso->dxfer_len == 0) { 1142 cto->ct_flags |= CT2_FLAG_MODE1 | CT2_NO_DATA; 1143 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1144 cto->ct_flags |= CT2_SENDSTATUS; 1145 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1146 cto->ct_resid = 1147 atp->orig_datalen - atp->bytes_xfered; 1148 if (cto->ct_resid < 0) { 1149 cto->rsp.m1.ct_scsi_status |= 1150 CT2_DATA_OVER; 1151 } else if (cto->ct_resid > 0) { 1152 cto->rsp.m1.ct_scsi_status |= 1153 CT2_DATA_UNDER; 1154 } 1155 } 1156 if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) { 1157 int m = min(cso->sense_len, MAXRESPLEN); 1158 bcopy(&cso->sense_data, cto->rsp.m1.ct_resp, m); 1159 cto->rsp.m1.ct_senselen = m; 1160 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1161 } 1162 } else { 1163 cto->ct_flags |= CT2_FLAG_MODE0; 1164 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1165 cto->ct_flags |= CT2_DATA_IN; 1166 } else { 1167 cto->ct_flags |= CT2_DATA_OUT; 1168 } 1169 cto->ct_reloff = atp->bytes_xfered; 1170 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 1171 cto->ct_flags |= CT2_SENDSTATUS; 1172 cto->rsp.m0.ct_scsi_status = cso->scsi_status; 1173 cto->ct_resid = 1174 atp->orig_datalen - 1175 (atp->bytes_xfered + cso->dxfer_len); 1176 if (cto->ct_resid < 0) { 1177 cto->rsp.m0.ct_scsi_status |= 1178 CT2_DATA_OVER; 1179 } else if (cto->ct_resid > 0) { 1180 cto->rsp.m0.ct_scsi_status |= 1181 CT2_DATA_UNDER; 1182 } 1183 } else { 1184 atp->last_xframt = cso->dxfer_len; 1185 } 1186 /* 1187 * If we're sending data and status back together, 1188 * we can't also send back sense data as well. 1189 */ 1190 ccb->ccb_h.flags &= ~CAM_SEND_SENSE; 1191 } 1192 1193 if (cto->ct_flags & CT2_SENDSTATUS) { 1194 isp_prt(isp, ISP_LOGTDEBUG0, 1195 "CTIO2[%x] STATUS %x origd %u curd %u resid %u", 1196 cto->ct_rxid, cso->scsi_status, atp->orig_datalen, 1197 cso->dxfer_len, cto->ct_resid); 1198 cto->ct_flags |= CT2_CCINCR; 1199 atp->state = ATPD_STATE_LAST_CTIO; 1200 } else 1201 atp->state = ATPD_STATE_CTIO; 1202 cto->ct_timeout = 10; 1203 hp = &cto->ct_syshandle; 1204 } else { 1205 ct_entry_t *cto = (ct_entry_t *) local; 1206 1207 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO; 1208 cto->ct_header.rqs_entry_count = 1; 1209 cto->ct_iid = cso->init_id; 1210 cto->ct_iid |= XS_CHANNEL(ccb) << 7; 1211 cto->ct_tgt = ccb->ccb_h.target_id; 1212 cto->ct_lun = ccb->ccb_h.target_lun; 1213 cto->ct_fwhandle = AT_GET_HANDLE(cso->tag_id); 1214 if (AT_HAS_TAG(cso->tag_id)) { 1215 cto->ct_tag_val = (u_int8_t) AT_GET_TAG(cso->tag_id); 1216 cto->ct_flags |= CT_TQAE; 1217 } 1218 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 1219 cto->ct_flags |= CT_NODISC; 1220 } 1221 if (cso->dxfer_len == 0) { 1222 cto->ct_flags |= CT_NO_DATA; 1223 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1224 cto->ct_flags |= CT_DATA_IN; 1225 } else { 1226 cto->ct_flags |= CT_DATA_OUT; 1227 } 1228 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1229 cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR; 1230 cto->ct_scsi_status = cso->scsi_status; 1231 cto->ct_resid = cso->resid; 1232 isp_prt(isp, ISP_LOGTDEBUG0, 1233 "CTIO[%x] SCSI STATUS 0x%x resid %d tag_id %x", 1234 cto->ct_fwhandle, cso->scsi_status, cso->resid, 1235 cso->tag_id); 1236 } 1237 ccb->ccb_h.flags &= ~CAM_SEND_SENSE; 1238 cto->ct_timeout = 10; 1239 hp = &cto->ct_syshandle; 1240 } 1241 1242 if (isp_save_xs(isp, (XS_T *)ccb, hp)) { 1243 xpt_print_path(ccb->ccb_h.path); 1244 printf("No XFLIST pointers for isp_target_start_ctio\n"); 1245 return (CAM_RESRC_UNAVAIL); 1246 } 1247 1248 1249 /* 1250 * Call the dma setup routines for this entry (and any subsequent 1251 * CTIOs) if there's data to move, and then tell the f/w it's got 1252 * new things to play with. As with isp_start's usage of DMA setup, 1253 * any swizzling is done in the machine dependent layer. Because 1254 * of this, we put the request onto the queue area first in native 1255 * format. 1256 */ 1257 1258 save_handle = *hp; 1259 1260 switch (ISP_DMASETUP(isp, cso, (ispreq_t *) local, &nxti, optr)) { 1261 case CMD_QUEUED: 1262 ISP_ADD_REQUEST(isp, nxti); 1263 return (CAM_REQ_INPROG); 1264 1265 case CMD_EAGAIN: 1266 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1267 isp_destroy_handle(isp, save_handle); 1268 return (CAM_RESRC_UNAVAIL); 1269 1270 default: 1271 isp_destroy_handle(isp, save_handle); 1272 return (XS_ERR(ccb)); 1273 } 1274 } 1275 1276 static void 1277 isp_refire_putback_atio(void *arg) 1278 { 1279 int s = splcam(); 1280 isp_target_putback_atio(arg); 1281 splx(s); 1282 } 1283 1284 static void 1285 isp_target_putback_atio(union ccb *ccb) 1286 { 1287 struct ispsoftc *isp; 1288 struct ccb_scsiio *cso; 1289 u_int16_t nxti, optr; 1290 void *qe; 1291 1292 isp = XS_ISP(ccb); 1293 1294 if (isp_getrqentry(isp, &nxti, &optr, &qe)) { 1295 (void) timeout(isp_refire_putback_atio, ccb, 10); 1296 isp_prt(isp, ISP_LOGWARN, 1297 "isp_target_putback_atio: Request Queue Overflow"); 1298 return; 1299 } 1300 bzero(qe, QENTRY_LEN); 1301 cso = &ccb->csio; 1302 if (IS_FC(isp)) { 1303 at2_entry_t local, *at = &local; 1304 MEMZERO(at, sizeof (at2_entry_t)); 1305 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 1306 at->at_header.rqs_entry_count = 1; 1307 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) != 0) { 1308 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 1309 } else { 1310 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 1311 } 1312 at->at_status = CT_OK; 1313 at->at_rxid = cso->tag_id; 1314 at->at_iid = cso->ccb_h.target_id; 1315 isp_put_atio2(isp, at, qe); 1316 } else { 1317 at_entry_t local, *at = &local; 1318 MEMZERO(at, sizeof (at_entry_t)); 1319 at->at_header.rqs_entry_type = RQSTYPE_ATIO; 1320 at->at_header.rqs_entry_count = 1; 1321 at->at_iid = cso->init_id; 1322 at->at_iid |= XS_CHANNEL(ccb) << 7; 1323 at->at_tgt = cso->ccb_h.target_id; 1324 at->at_lun = cso->ccb_h.target_lun; 1325 at->at_status = CT_OK; 1326 at->at_tag_val = AT_GET_TAG(cso->tag_id); 1327 at->at_handle = AT_GET_HANDLE(cso->tag_id); 1328 isp_put_atio(isp, at, qe); 1329 } 1330 ISP_TDQE(isp, "isp_target_putback_atio", (int) optr, qe); 1331 ISP_ADD_REQUEST(isp, nxti); 1332 isp_complete_ctio(ccb); 1333 } 1334 1335 static void 1336 isp_complete_ctio(union ccb *ccb) 1337 { 1338 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1339 ccb->ccb_h.status |= CAM_REQ_CMP; 1340 } 1341 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1342 xpt_done(ccb); 1343 } 1344 1345 /* 1346 * Handle ATIO stuff that the generic code can't. 1347 * This means handling CDBs. 1348 */ 1349 1350 static int 1351 isp_handle_platform_atio(struct ispsoftc *isp, at_entry_t *aep) 1352 { 1353 tstate_t *tptr; 1354 int status, bus, iswildcard; 1355 struct ccb_accept_tio *atiop; 1356 1357 /* 1358 * The firmware status (except for the QLTM_SVALID bit) 1359 * indicates why this ATIO was sent to us. 1360 * 1361 * If QLTM_SVALID is set, the firware has recommended Sense Data. 1362 * 1363 * If the DISCONNECTS DISABLED bit is set in the flags field, 1364 * we're still connected on the SCSI bus. 1365 */ 1366 status = aep->at_status; 1367 if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) { 1368 /* 1369 * Bus Phase Sequence error. We should have sense data 1370 * suggested by the f/w. I'm not sure quite yet what 1371 * to do about this for CAM. 1372 */ 1373 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR"); 1374 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 1375 return (0); 1376 } 1377 if ((status & ~QLTM_SVALID) != AT_CDB) { 1378 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", 1379 status); 1380 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 1381 return (0); 1382 } 1383 1384 bus = GET_BUS_VAL(aep->at_iid); 1385 tptr = get_lun_statep(isp, bus, aep->at_lun); 1386 if (tptr == NULL) { 1387 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 1388 iswildcard = 1; 1389 } else { 1390 iswildcard = 0; 1391 } 1392 1393 if (tptr == NULL) { 1394 /* 1395 * Because we can't autofeed sense data back with 1396 * a command for parallel SCSI, we can't give back 1397 * a CHECK CONDITION. We'll give back a BUSY status 1398 * instead. This works out okay because the only 1399 * time we should, in fact, get this, is in the 1400 * case that somebody configured us without the 1401 * blackhole driver, so they get what they deserve. 1402 */ 1403 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 1404 return (0); 1405 } 1406 1407 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1408 if (atiop == NULL) { 1409 /* 1410 * Because we can't autofeed sense data back with 1411 * a command for parallel SCSI, we can't give back 1412 * a CHECK CONDITION. We'll give back a QUEUE FULL status 1413 * instead. This works out okay because the only time we 1414 * should, in fact, get this, is in the case that we've 1415 * run out of ATIOS. 1416 */ 1417 xpt_print_path(tptr->owner); 1418 isp_prt(isp, ISP_LOGWARN, 1419 "no ATIOS for lun %d from initiator %d on channel %d", 1420 aep->at_lun, GET_IID_VAL(aep->at_iid), bus); 1421 if (aep->at_flags & AT_TQAE) 1422 isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0); 1423 else 1424 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 1425 rls_lun_statep(isp, tptr); 1426 return (0); 1427 } 1428 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1429 if (iswildcard) { 1430 atiop->ccb_h.target_id = aep->at_tgt; 1431 atiop->ccb_h.target_lun = aep->at_lun; 1432 } 1433 if (aep->at_flags & AT_NODISC) { 1434 atiop->ccb_h.flags = CAM_DIS_DISCONNECT; 1435 } else { 1436 atiop->ccb_h.flags = 0; 1437 } 1438 1439 if (status & QLTM_SVALID) { 1440 size_t amt = imin(QLTM_SENSELEN, sizeof (atiop->sense_data)); 1441 atiop->sense_len = amt; 1442 MEMCPY(&atiop->sense_data, aep->at_sense, amt); 1443 } else { 1444 atiop->sense_len = 0; 1445 } 1446 1447 atiop->init_id = GET_IID_VAL(aep->at_iid); 1448 atiop->cdb_len = aep->at_cdblen; 1449 MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen); 1450 atiop->ccb_h.status = CAM_CDB_RECVD; 1451 /* 1452 * Construct a tag 'id' based upon tag value (which may be 0..255) 1453 * and the handle (which we have to preserve). 1454 */ 1455 AT_MAKE_TAGID(atiop->tag_id, aep); 1456 if (aep->at_flags & AT_TQAE) { 1457 atiop->tag_action = aep->at_tag_type; 1458 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID; 1459 } 1460 xpt_done((union ccb*)atiop); 1461 isp_prt(isp, ISP_LOGTDEBUG0, 1462 "ATIO[%x] CDB=0x%x bus %d iid%d->lun%d tag 0x%x ttype 0x%x %s", 1463 aep->at_handle, aep->at_cdb[0] & 0xff, GET_BUS_VAL(aep->at_iid), 1464 GET_IID_VAL(aep->at_iid), aep->at_lun, aep->at_tag_val & 0xff, 1465 aep->at_tag_type, (aep->at_flags & AT_NODISC)? 1466 "nondisc" : "disconnecting"); 1467 rls_lun_statep(isp, tptr); 1468 return (0); 1469 } 1470 1471 static int 1472 isp_handle_platform_atio2(struct ispsoftc *isp, at2_entry_t *aep) 1473 { 1474 lun_id_t lun; 1475 tstate_t *tptr; 1476 struct ccb_accept_tio *atiop; 1477 atio_private_data_t *atp; 1478 1479 /* 1480 * The firmware status (except for the QLTM_SVALID bit) 1481 * indicates why this ATIO was sent to us. 1482 * 1483 * If QLTM_SVALID is set, the firware has recommended Sense Data. 1484 */ 1485 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 1486 isp_prt(isp, ISP_LOGWARN, 1487 "bogus atio (0x%x) leaked to platform", aep->at_status); 1488 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 1489 return (0); 1490 } 1491 1492 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) != 0) { 1493 lun = aep->at_scclun; 1494 } else { 1495 lun = aep->at_lun; 1496 } 1497 tptr = get_lun_statep(isp, 0, lun); 1498 if (tptr == NULL) { 1499 isp_prt(isp, ISP_LOGWARN, "no state pointer for lun %d", lun); 1500 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 1501 } 1502 1503 if (tptr == NULL) { 1504 /* 1505 * What we'd like to know is whether or not we have a listener 1506 * upstream that really hasn't configured yet. If we do, then 1507 * we can give a more sensible reply here. If not, then we can 1508 * reject this out of hand. 1509 * 1510 * Choices for what to send were 1511 * 1512 * Not Ready, Unit Not Self-Configured Yet 1513 * (0x2,0x3e,0x00) 1514 * 1515 * for the former and 1516 * 1517 * Illegal Request, Logical Unit Not Supported 1518 * (0x5,0x25,0x00) 1519 * 1520 * for the latter. 1521 * 1522 * We used to decide whether there was at least one listener 1523 * based upon whether the black hole driver was configured. 1524 * However, recent config(8) changes have made this hard to do 1525 * at this time. 1526 * 1527 */ 1528 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 1529 return (0); 1530 } 1531 1532 atp = isp_get_atpd(isp, 0); 1533 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1534 if (atiop == NULL || atp == NULL) { 1535 /* 1536 * Because we can't autofeed sense data back with 1537 * a command for parallel SCSI, we can't give back 1538 * a CHECK CONDITION. We'll give back a QUEUE FULL status 1539 * instead. This works out okay because the only time we 1540 * should, in fact, get this, is in the case that we've 1541 * run out of ATIOS. 1542 */ 1543 xpt_print_path(tptr->owner); 1544 isp_prt(isp, ISP_LOGWARN, 1545 "no %s for lun %d from initiator %d", 1546 (atp == NULL && atiop == NULL)? "ATIO2s *or* ATPS" : 1547 ((atp == NULL)? "ATPs" : "ATIO2s"), lun, aep->at_iid); 1548 rls_lun_statep(isp, tptr); 1549 isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0); 1550 return (0); 1551 } 1552 atp->state = ATPD_STATE_ATIO; 1553 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1554 tptr->atio_count--; 1555 isp_prt(isp, ISP_LOGTDEBUG0, "Take FREE ATIO2 lun %d, count now %d", 1556 lun, tptr->atio_count); 1557 1558 if (tptr == &isp->isp_osinfo.tsdflt[0]) { 1559 atiop->ccb_h.target_id = 1560 ((fcparam *)isp->isp_param)->isp_loopid; 1561 atiop->ccb_h.target_lun = lun; 1562 } 1563 /* 1564 * We don't get 'suggested' sense data as we do with SCSI cards. 1565 */ 1566 atiop->sense_len = 0; 1567 1568 atiop->init_id = aep->at_iid; 1569 atiop->cdb_len = ATIO2_CDBLEN; 1570 MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 1571 atiop->ccb_h.status = CAM_CDB_RECVD; 1572 atiop->tag_id = aep->at_rxid; 1573 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 1574 case ATIO2_TC_ATTR_SIMPLEQ: 1575 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1576 break; 1577 case ATIO2_TC_ATTR_HEADOFQ: 1578 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1579 break; 1580 case ATIO2_TC_ATTR_ORDERED: 1581 atiop->tag_action = MSG_ORDERED_Q_TAG; 1582 break; 1583 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 1584 case ATIO2_TC_ATTR_UNTAGGED: 1585 default: 1586 atiop->tag_action = 0; 1587 break; 1588 } 1589 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID; 1590 1591 atp->tag = atiop->tag_id; 1592 atp->lun = lun; 1593 atp->orig_datalen = aep->at_datalen; 1594 atp->last_xframt = 0; 1595 atp->bytes_xfered = 0; 1596 atp->state = ATPD_STATE_CAM; 1597 xpt_done((union ccb*)atiop); 1598 1599 isp_prt(isp, ISP_LOGTDEBUG0, 1600 "ATIO2[%x] CDB=0x%x iid%d->lun%d tattr 0x%x datalen %u", 1601 aep->at_rxid, aep->at_cdb[0] & 0xff, aep->at_iid, 1602 lun, aep->at_taskflags, aep->at_datalen); 1603 rls_lun_statep(isp, tptr); 1604 return (0); 1605 } 1606 1607 static int 1608 isp_handle_platform_ctio(struct ispsoftc *isp, void *arg) 1609 { 1610 union ccb *ccb; 1611 int sentstatus, ok, notify_cam, resid = 0; 1612 u_int16_t tval; 1613 1614 /* 1615 * CTIO and CTIO2 are close enough.... 1616 */ 1617 1618 ccb = (union ccb *) isp_find_xs(isp, ((ct_entry_t *)arg)->ct_syshandle); 1619 KASSERT((ccb != NULL), ("null ccb in isp_handle_platform_ctio")); 1620 isp_destroy_handle(isp, ((ct_entry_t *)arg)->ct_syshandle); 1621 1622 if (IS_FC(isp)) { 1623 ct2_entry_t *ct = arg; 1624 atio_private_data_t *atp = isp_get_atpd(isp, ct->ct_rxid); 1625 if (atp == NULL) { 1626 isp_prt(isp, ISP_LOGERR, 1627 "cannot find adjunct for %x after I/O", 1628 ct->ct_rxid); 1629 return (0); 1630 } 1631 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 1632 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 1633 if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) { 1634 ccb->ccb_h.status |= CAM_SENT_SENSE; 1635 } 1636 notify_cam = ct->ct_header.rqs_seqno & 0x1; 1637 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) { 1638 resid = ct->ct_resid; 1639 atp->bytes_xfered += (atp->last_xframt - resid); 1640 atp->last_xframt = 0; 1641 } 1642 if (sentstatus || !ok) { 1643 atp->tag = 0; 1644 } 1645 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, 1646 "CTIO2[%x] sts 0x%x flg 0x%x sns %d resid %d %s", 1647 ct->ct_rxid, ct->ct_status, ct->ct_flags, 1648 (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, 1649 resid, sentstatus? "FIN" : "MID"); 1650 tval = ct->ct_rxid; 1651 1652 /* XXX: should really come after isp_complete_ctio */ 1653 atp->state = ATPD_STATE_PDON; 1654 } else { 1655 ct_entry_t *ct = arg; 1656 sentstatus = ct->ct_flags & CT_SENDSTATUS; 1657 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 1658 /* 1659 * We *ought* to be able to get back to the original ATIO 1660 * here, but for some reason this gets lost. It's just as 1661 * well because it's squirrelled away as part of periph 1662 * private data. 1663 * 1664 * We can live without it as long as we continue to use 1665 * the auto-replenish feature for CTIOs. 1666 */ 1667 notify_cam = ct->ct_header.rqs_seqno & 0x1; 1668 if (ct->ct_status & QLTM_SVALID) { 1669 char *sp = (char *)ct; 1670 sp += CTIO_SENSE_OFFSET; 1671 ccb->csio.sense_len = 1672 min(sizeof (ccb->csio.sense_data), QLTM_SENSELEN); 1673 MEMCPY(&ccb->csio.sense_data, sp, ccb->csio.sense_len); 1674 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 1675 } 1676 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) { 1677 resid = ct->ct_resid; 1678 } 1679 isp_prt(isp, ISP_LOGTDEBUG0, 1680 "CTIO[%x] tag %x iid %d lun %d sts %x flg %x resid %d %s", 1681 ct->ct_fwhandle, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, 1682 ct->ct_status, ct->ct_flags, resid, 1683 sentstatus? "FIN" : "MID"); 1684 tval = ct->ct_fwhandle; 1685 } 1686 ccb->csio.resid += resid; 1687 1688 /* 1689 * We're here either because intermediate data transfers are done 1690 * and/or the final status CTIO (which may have joined with a 1691 * Data Transfer) is done. 1692 * 1693 * In any case, for this platform, the upper layers figure out 1694 * what to do next, so all we do here is collect status and 1695 * pass information along. Any DMA handles have already been 1696 * freed. 1697 */ 1698 if (notify_cam == 0) { 1699 isp_prt(isp, ISP_LOGTDEBUG0, " INTER CTIO[0x%x] done", tval); 1700 return (0); 1701 } 1702 1703 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done", 1704 (sentstatus)? " FINAL " : "MIDTERM ", tval); 1705 1706 if (!ok) { 1707 isp_target_putback_atio(ccb); 1708 } else { 1709 isp_complete_ctio(ccb); 1710 1711 } 1712 return (0); 1713 } 1714 1715 static int 1716 isp_handle_platform_notify_scsi(struct ispsoftc *isp, in_entry_t *inp) 1717 { 1718 return (0); /* XXXX */ 1719 } 1720 1721 static int 1722 isp_handle_platform_notify_fc(struct ispsoftc *isp, in_fcentry_t *inp) 1723 { 1724 1725 switch (inp->in_status) { 1726 case IN_PORT_LOGOUT: 1727 isp_prt(isp, ISP_LOGWARN, "port logout of iid %d", 1728 inp->in_iid); 1729 break; 1730 case IN_PORT_CHANGED: 1731 isp_prt(isp, ISP_LOGWARN, "port changed for iid %d", 1732 inp->in_iid); 1733 break; 1734 case IN_GLOBAL_LOGO: 1735 isp_prt(isp, ISP_LOGINFO, "all ports logged out"); 1736 break; 1737 case IN_ABORT_TASK: 1738 { 1739 atio_private_data_t *atp = isp_get_atpd(isp, inp->in_seqid); 1740 struct ccb_immed_notify *inot = NULL; 1741 1742 if (atp) { 1743 tstate_t *tptr = get_lun_statep(isp, 0, atp->lun); 1744 if (tptr) { 1745 inot = (struct ccb_immed_notify *) 1746 SLIST_FIRST(&tptr->inots); 1747 if (inot) { 1748 SLIST_REMOVE_HEAD(&tptr->inots, 1749 sim_links.sle); 1750 } 1751 } 1752 isp_prt(isp, ISP_LOGWARN, 1753 "abort task RX_ID %x IID %d state %d", 1754 inp->in_seqid, inp->in_iid, atp->state); 1755 } else { 1756 isp_prt(isp, ISP_LOGWARN, 1757 "abort task RX_ID %x from iid %d, state unknown", 1758 inp->in_seqid, inp->in_iid); 1759 } 1760 if (inot) { 1761 inot->initiator_id = inp->in_iid; 1762 inot->sense_len = 0; 1763 inot->message_args[0] = MSG_ABORT_TAG; 1764 inot->message_args[1] = inp->in_seqid & 0xff; 1765 inot->message_args[2] = (inp->in_seqid >> 8) & 0xff; 1766 inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN; 1767 xpt_done((union ccb *)inot); 1768 } 1769 break; 1770 } 1771 default: 1772 break; 1773 } 1774 return (0); 1775 } 1776 #endif 1777 1778 static void 1779 isp_cam_async(void *cbarg, u_int32_t code, struct cam_path *path, void *arg) 1780 { 1781 struct cam_sim *sim; 1782 struct ispsoftc *isp; 1783 1784 sim = (struct cam_sim *)cbarg; 1785 isp = (struct ispsoftc *) cam_sim_softc(sim); 1786 switch (code) { 1787 case AC_LOST_DEVICE: 1788 if (IS_SCSI(isp)) { 1789 u_int16_t oflags, nflags; 1790 sdparam *sdp = isp->isp_param; 1791 int tgt; 1792 1793 tgt = xpt_path_target_id(path); 1794 if (tgt >= 0) { 1795 sdp += cam_sim_bus(sim); 1796 ISP_LOCK(isp); 1797 nflags = sdp->isp_devparam[tgt].nvrm_flags; 1798 #ifndef ISP_TARGET_MODE 1799 nflags &= DPARM_SAFE_DFLT; 1800 if (isp->isp_loaded_fw) { 1801 nflags |= DPARM_NARROW | DPARM_ASYNC; 1802 } 1803 #else 1804 nflags = DPARM_DEFAULT; 1805 #endif 1806 oflags = sdp->isp_devparam[tgt].goal_flags; 1807 sdp->isp_devparam[tgt].goal_flags = nflags; 1808 sdp->isp_devparam[tgt].dev_update = 1; 1809 isp->isp_update |= (1 << cam_sim_bus(sim)); 1810 (void) isp_control(isp, 1811 ISPCTL_UPDATE_PARAMS, NULL); 1812 sdp->isp_devparam[tgt].goal_flags = oflags; 1813 ISP_UNLOCK(isp); 1814 } 1815 } 1816 break; 1817 default: 1818 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 1819 break; 1820 } 1821 } 1822 1823 static void 1824 isp_poll(struct cam_sim *sim) 1825 { 1826 struct ispsoftc *isp = cam_sim_softc(sim); 1827 u_int16_t isr, sema, mbox; 1828 1829 ISP_LOCK(isp); 1830 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 1831 isp_intr(isp, isr, sema, mbox); 1832 } 1833 ISP_UNLOCK(isp); 1834 } 1835 1836 1837 static void 1838 isp_watchdog(void *arg) 1839 { 1840 XS_T *xs = arg; 1841 struct ispsoftc *isp = XS_ISP(xs); 1842 u_int32_t handle; 1843 int iok; 1844 1845 /* 1846 * We've decided this command is dead. Make sure we're not trying 1847 * to kill a command that's already dead by getting it's handle and 1848 * and seeing whether it's still alive. 1849 */ 1850 ISP_LOCK(isp); 1851 iok = isp->isp_osinfo.intsok; 1852 isp->isp_osinfo.intsok = 0; 1853 handle = isp_find_handle(isp, xs); 1854 if (handle) { 1855 u_int16_t isr, sema, mbox; 1856 1857 if (XS_CMD_DONE_P(xs)) { 1858 isp_prt(isp, ISP_LOGDEBUG1, 1859 "watchdog found done cmd (handle 0x%x)", handle); 1860 ISP_UNLOCK(isp); 1861 return; 1862 } 1863 1864 if (XS_CMD_WDOG_P(xs)) { 1865 isp_prt(isp, ISP_LOGDEBUG2, 1866 "recursive watchdog (handle 0x%x)", handle); 1867 ISP_UNLOCK(isp); 1868 return; 1869 } 1870 1871 XS_CMD_S_WDOG(xs); 1872 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 1873 isp_intr(isp, isr, sema, mbox); 1874 } 1875 if (XS_CMD_DONE_P(xs)) { 1876 isp_prt(isp, ISP_LOGDEBUG2, 1877 "watchdog cleanup for handle 0x%x", handle); 1878 xpt_done((union ccb *) xs); 1879 } else if (XS_CMD_GRACE_P(xs)) { 1880 /* 1881 * Make sure the command is *really* dead before we 1882 * release the handle (and DMA resources) for reuse. 1883 */ 1884 (void) isp_control(isp, ISPCTL_ABORT_CMD, arg); 1885 1886 /* 1887 * After this point, the comamnd is really dead. 1888 */ 1889 if (XS_XFRLEN(xs)) { 1890 ISP_DMAFREE(isp, xs, handle); 1891 } 1892 isp_destroy_handle(isp, handle); 1893 xpt_print_path(xs->ccb_h.path); 1894 isp_prt(isp, ISP_LOGWARN, 1895 "watchdog timeout for handle 0x%x", handle); 1896 XS_SETERR(xs, CAM_CMD_TIMEOUT); 1897 XS_CMD_C_WDOG(xs); 1898 isp_done(xs); 1899 } else { 1900 u_int16_t nxti, optr; 1901 ispreq_t local, *mp= &local, *qe; 1902 1903 XS_CMD_C_WDOG(xs); 1904 callout_reset(&xs->ccb_h.timeout_ch, hz, 1905 isp_watchdog, xs); 1906 if (isp_getrqentry(isp, &nxti, &optr, (void **) &qe)) { 1907 ISP_UNLOCK(isp); 1908 return; 1909 } 1910 XS_CMD_S_GRACE(xs); 1911 MEMZERO((void *) mp, sizeof (*mp)); 1912 mp->req_header.rqs_entry_count = 1; 1913 mp->req_header.rqs_entry_type = RQSTYPE_MARKER; 1914 mp->req_modifier = SYNC_ALL; 1915 mp->req_target = XS_CHANNEL(xs) << 7; 1916 isp_put_request(isp, mp, qe); 1917 ISP_ADD_REQUEST(isp, nxti); 1918 } 1919 } else { 1920 isp_prt(isp, ISP_LOGDEBUG2, "watchdog with no command"); 1921 } 1922 isp->isp_osinfo.intsok = iok; 1923 ISP_UNLOCK(isp); 1924 } 1925 1926 static void 1927 isp_kthread(void *arg) 1928 { 1929 struct ispsoftc *isp = arg; 1930 int s; 1931 1932 s = splcam(); 1933 isp->isp_osinfo.intsok = 1; 1934 1935 /* 1936 * The first loop is for our usage where we have yet to have 1937 * gotten good fibre channel state. 1938 */ 1939 for (;;) { 1940 int wasfrozen; 1941 1942 isp_prt(isp, ISP_LOGDEBUG0, "kthread: checking FC state"); 1943 while (isp_fc_runstate(isp, 2 * 1000000) != 0) { 1944 isp_prt(isp, ISP_LOGDEBUG0, "kthread: FC state ungood"); 1945 if (FCPARAM(isp)->isp_fwstate != FW_READY || 1946 FCPARAM(isp)->isp_loopstate < LOOP_PDB_RCVD) { 1947 if (FCPARAM(isp)->loop_seen_once == 0 || 1948 isp->isp_osinfo.ktmature == 0) { 1949 break; 1950 } 1951 } 1952 tsleep(isp_kthread, 0, "isp_fcthrd", hz); 1953 1954 } 1955 1956 /* 1957 * Even if we didn't get good loop state we may be 1958 * unfreezing the SIMQ so that we can kill off 1959 * commands (if we've never seen loop before, for example). 1960 */ 1961 isp->isp_osinfo.ktmature = 1; 1962 wasfrozen = isp->isp_osinfo.simqfrozen & SIMQFRZ_LOOPDOWN; 1963 isp->isp_osinfo.simqfrozen &= ~SIMQFRZ_LOOPDOWN; 1964 if (wasfrozen && isp->isp_osinfo.simqfrozen == 0) { 1965 isp_prt(isp, ISP_LOGDEBUG0, "kthread: releasing simq"); 1966 ISPLOCK_2_CAMLOCK(isp); 1967 xpt_release_simq(isp->isp_sim, 1); 1968 CAMLOCK_2_ISPLOCK(isp); 1969 } 1970 tsleep(&isp->isp_osinfo.kthread, 0, "isp_fc_worker", 0); 1971 isp_prt(isp, ISP_LOGDEBUG0, "kthread: waiting until called"); 1972 } 1973 } 1974 1975 static void 1976 isp_action(struct cam_sim *sim, union ccb *ccb) 1977 { 1978 int bus, tgt, error; 1979 struct ispsoftc *isp; 1980 struct ccb_trans_settings *cts; 1981 1982 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 1983 1984 isp = (struct ispsoftc *)cam_sim_softc(sim); 1985 ccb->ccb_h.sim_priv.entries[0].field = 0; 1986 ccb->ccb_h.sim_priv.entries[1].ptr = isp; 1987 if (isp->isp_state != ISP_RUNSTATE && 1988 ccb->ccb_h.func_code == XPT_SCSI_IO) { 1989 CAMLOCK_2_ISPLOCK(isp); 1990 isp_init(isp); 1991 if (isp->isp_state != ISP_INITSTATE) { 1992 ISP_UNLOCK(isp); 1993 /* 1994 * Lie. Say it was a selection timeout. 1995 */ 1996 ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN; 1997 xpt_freeze_devq(ccb->ccb_h.path, 1); 1998 xpt_done(ccb); 1999 return; 2000 } 2001 isp->isp_state = ISP_RUNSTATE; 2002 ISPLOCK_2_CAMLOCK(isp); 2003 } 2004 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2005 2006 2007 switch (ccb->ccb_h.func_code) { 2008 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2009 /* 2010 * Do a couple of preliminary checks... 2011 */ 2012 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2013 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2014 ccb->ccb_h.status = CAM_REQ_INVALID; 2015 xpt_done(ccb); 2016 break; 2017 } 2018 } 2019 #ifdef DIAGNOSTIC 2020 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) { 2021 ccb->ccb_h.status = CAM_PATH_INVALID; 2022 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) { 2023 ccb->ccb_h.status = CAM_PATH_INVALID; 2024 } 2025 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 2026 isp_prt(isp, ISP_LOGERR, 2027 "invalid tgt/lun (%d.%d) in XPT_SCSI_IO", 2028 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2029 xpt_done(ccb); 2030 break; 2031 } 2032 #endif 2033 ((struct ccb_scsiio *) ccb)->scsi_status = SCSI_STATUS_OK; 2034 CAMLOCK_2_ISPLOCK(isp); 2035 error = isp_start((XS_T *) ccb); 2036 switch (error) { 2037 case CMD_QUEUED: 2038 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2039 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 2040 u_int64_t ticks = (u_int64_t) hz; 2041 if (ccb->ccb_h.timeout == CAM_TIME_DEFAULT) 2042 ticks = 60 * 1000 * ticks; 2043 else 2044 ticks = ccb->ccb_h.timeout * hz; 2045 ticks = ((ticks + 999) / 1000) + hz + hz; 2046 if (ticks >= 0x80000000) { 2047 isp_prt(isp, ISP_LOGERR, 2048 "timeout overflow"); 2049 ticks = 0x7fffffff; 2050 } 2051 callout_reset(&ccb->ccb_h.timeout_ch, ticks, 2052 isp_watchdog, ccb); 2053 } 2054 ISPLOCK_2_CAMLOCK(isp); 2055 break; 2056 case CMD_RQLATER: 2057 /* 2058 * This can only happen for Fibre Channel 2059 */ 2060 KASSERT((IS_FC(isp)), ("CMD_RQLATER for FC only")); 2061 if (FCPARAM(isp)->loop_seen_once == 0 && 2062 isp->isp_osinfo.ktmature) { 2063 ISPLOCK_2_CAMLOCK(isp); 2064 XS_SETERR(ccb, CAM_SEL_TIMEOUT); 2065 xpt_done(ccb); 2066 break; 2067 } 2068 wakeup(&isp->isp_osinfo.kthread); 2069 isp_freeze_loopdown(isp, "isp_action(RQLATER)"); 2070 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN; 2071 XS_SETERR(ccb, CAM_REQUEUE_REQ); 2072 ISPLOCK_2_CAMLOCK(isp); 2073 xpt_done(ccb); 2074 break; 2075 case CMD_EAGAIN: 2076 XS_SETERR(ccb, CAM_REQUEUE_REQ); 2077 ISPLOCK_2_CAMLOCK(isp); 2078 xpt_done(ccb); 2079 break; 2080 case CMD_COMPLETE: 2081 isp_done((struct ccb_scsiio *) ccb); 2082 ISPLOCK_2_CAMLOCK(isp); 2083 break; 2084 default: 2085 isp_prt(isp, ISP_LOGERR, 2086 "What's this? 0x%x at %d in file %s", 2087 error, __LINE__, __FILE__); 2088 XS_SETERR(ccb, CAM_REQ_CMP_ERR); 2089 xpt_done(ccb); 2090 ISPLOCK_2_CAMLOCK(isp); 2091 } 2092 break; 2093 2094 #ifdef ISP_TARGET_MODE 2095 case XPT_EN_LUN: /* Enable LUN as a target */ 2096 { 2097 int iok; 2098 CAMLOCK_2_ISPLOCK(isp); 2099 iok = isp->isp_osinfo.intsok; 2100 isp->isp_osinfo.intsok = 0; 2101 isp_en_lun(isp, ccb); 2102 isp->isp_osinfo.intsok = iok; 2103 ISPLOCK_2_CAMLOCK(isp); 2104 xpt_done(ccb); 2105 break; 2106 } 2107 case XPT_NOTIFY_ACK: /* recycle notify ack */ 2108 case XPT_IMMED_NOTIFY: /* Add Immediate Notify Resource */ 2109 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 2110 { 2111 tstate_t *tptr = 2112 get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 2113 if (tptr == NULL) { 2114 ccb->ccb_h.status = CAM_LUN_INVALID; 2115 xpt_done(ccb); 2116 break; 2117 } 2118 ccb->ccb_h.sim_priv.entries[0].field = 0; 2119 ccb->ccb_h.sim_priv.entries[1].ptr = isp; 2120 ccb->ccb_h.flags = 0; 2121 2122 CAMLOCK_2_ISPLOCK(isp); 2123 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 2124 /* 2125 * Note that the command itself may not be done- 2126 * it may not even have had the first CTIO sent. 2127 */ 2128 tptr->atio_count++; 2129 isp_prt(isp, ISP_LOGTDEBUG0, 2130 "Put FREE ATIO2, lun %d, count now %d", 2131 ccb->ccb_h.target_lun, tptr->atio_count); 2132 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, 2133 sim_links.sle); 2134 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 2135 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, 2136 sim_links.sle); 2137 } else { 2138 ; 2139 } 2140 rls_lun_statep(isp, tptr); 2141 ccb->ccb_h.status = CAM_REQ_INPROG; 2142 ISPLOCK_2_CAMLOCK(isp); 2143 break; 2144 } 2145 case XPT_CONT_TARGET_IO: 2146 { 2147 CAMLOCK_2_ISPLOCK(isp); 2148 ccb->ccb_h.status = isp_target_start_ctio(isp, ccb); 2149 if (ccb->ccb_h.status != CAM_REQ_INPROG) { 2150 isp_prt(isp, ISP_LOGWARN, 2151 "XPT_CONT_TARGET_IO: status 0x%x", 2152 ccb->ccb_h.status); 2153 XS_SETERR(ccb, CAM_REQUEUE_REQ); 2154 ISPLOCK_2_CAMLOCK(isp); 2155 xpt_done(ccb); 2156 } else { 2157 ISPLOCK_2_CAMLOCK(isp); 2158 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2159 } 2160 break; 2161 } 2162 #endif 2163 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 2164 2165 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path)); 2166 tgt = ccb->ccb_h.target_id; 2167 tgt |= (bus << 16); 2168 2169 CAMLOCK_2_ISPLOCK(isp); 2170 error = isp_control(isp, ISPCTL_RESET_DEV, &tgt); 2171 ISPLOCK_2_CAMLOCK(isp); 2172 if (error) { 2173 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2174 } else { 2175 ccb->ccb_h.status = CAM_REQ_CMP; 2176 } 2177 xpt_done(ccb); 2178 break; 2179 case XPT_ABORT: /* Abort the specified CCB */ 2180 { 2181 union ccb *accb = ccb->cab.abort_ccb; 2182 CAMLOCK_2_ISPLOCK(isp); 2183 switch (accb->ccb_h.func_code) { 2184 #ifdef ISP_TARGET_MODE 2185 case XPT_ACCEPT_TARGET_IO: 2186 case XPT_IMMED_NOTIFY: 2187 ccb->ccb_h.status = isp_abort_tgt_ccb(isp, ccb); 2188 break; 2189 case XPT_CONT_TARGET_IO: 2190 isp_prt(isp, ISP_LOGERR, "cannot abort CTIOs yet"); 2191 ccb->ccb_h.status = CAM_UA_ABORT; 2192 break; 2193 #endif 2194 case XPT_SCSI_IO: 2195 error = isp_control(isp, ISPCTL_ABORT_CMD, ccb); 2196 if (error) { 2197 ccb->ccb_h.status = CAM_UA_ABORT; 2198 } else { 2199 ccb->ccb_h.status = CAM_REQ_CMP; 2200 } 2201 break; 2202 default: 2203 ccb->ccb_h.status = CAM_REQ_INVALID; 2204 break; 2205 } 2206 ISPLOCK_2_CAMLOCK(isp); 2207 xpt_done(ccb); 2208 break; 2209 } 2210 #define IS_CURRENT_SETTINGS(c) (c->flags & CCB_TRANS_CURRENT_SETTINGS) 2211 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 2212 cts = &ccb->cts; 2213 if (!IS_CURRENT_SETTINGS(cts)) { 2214 ccb->ccb_h.status = CAM_REQ_INVALID; 2215 xpt_done(ccb); 2216 break; 2217 } 2218 tgt = cts->ccb_h.target_id; 2219 CAMLOCK_2_ISPLOCK(isp); 2220 if (IS_SCSI(isp)) { 2221 sdparam *sdp = isp->isp_param; 2222 u_int16_t *dptr; 2223 2224 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 2225 2226 sdp += bus; 2227 /* 2228 * We always update (internally) from goal_flags 2229 * so any request to change settings just gets 2230 * vectored to that location. 2231 */ 2232 dptr = &sdp->isp_devparam[tgt].goal_flags; 2233 2234 /* 2235 * Note that these operations affect the 2236 * the goal flags (goal_flags)- not 2237 * the current state flags. Then we mark 2238 * things so that the next operation to 2239 * this HBA will cause the update to occur. 2240 */ 2241 if (cts->valid & CCB_TRANS_DISC_VALID) { 2242 if ((cts->flags & CCB_TRANS_DISC_ENB) != 0) { 2243 *dptr |= DPARM_DISC; 2244 } else { 2245 *dptr &= ~DPARM_DISC; 2246 } 2247 } 2248 if (cts->valid & CCB_TRANS_TQ_VALID) { 2249 if ((cts->flags & CCB_TRANS_TAG_ENB) != 0) { 2250 *dptr |= DPARM_TQING; 2251 } else { 2252 *dptr &= ~DPARM_TQING; 2253 } 2254 } 2255 if (cts->valid & CCB_TRANS_BUS_WIDTH_VALID) { 2256 switch (cts->bus_width) { 2257 case MSG_EXT_WDTR_BUS_16_BIT: 2258 *dptr |= DPARM_WIDE; 2259 break; 2260 default: 2261 *dptr &= ~DPARM_WIDE; 2262 } 2263 } 2264 /* 2265 * Any SYNC RATE of nonzero and SYNC_OFFSET 2266 * of nonzero will cause us to go to the 2267 * selected (from NVRAM) maximum value for 2268 * this device. At a later point, we'll 2269 * allow finer control. 2270 */ 2271 if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) && 2272 (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) && 2273 (cts->sync_offset > 0)) { 2274 *dptr |= DPARM_SYNC; 2275 } else { 2276 *dptr &= ~DPARM_SYNC; 2277 } 2278 *dptr |= DPARM_SAFE_DFLT; 2279 isp_prt(isp, ISP_LOGDEBUG0, 2280 "SET bus %d targ %d to flags %x off %x per %x", 2281 bus, tgt, sdp->isp_devparam[tgt].goal_flags, 2282 sdp->isp_devparam[tgt].goal_offset, 2283 sdp->isp_devparam[tgt].goal_period); 2284 sdp->isp_devparam[tgt].dev_update = 1; 2285 isp->isp_update |= (1 << bus); 2286 } 2287 ISPLOCK_2_CAMLOCK(isp); 2288 ccb->ccb_h.status = CAM_REQ_CMP; 2289 xpt_done(ccb); 2290 break; 2291 case XPT_GET_TRAN_SETTINGS: 2292 cts = &ccb->cts; 2293 tgt = cts->ccb_h.target_id; 2294 CAMLOCK_2_ISPLOCK(isp); 2295 if (IS_FC(isp)) { 2296 /* 2297 * a lot of normal SCSI things don't make sense. 2298 */ 2299 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB; 2300 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2301 /* 2302 * How do you measure the width of a high 2303 * speed serial bus? Well, in bytes. 2304 * 2305 * Offset and period make no sense, though, so we set 2306 * (above) a 'base' transfer speed to be gigabit. 2307 */ 2308 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2309 } else { 2310 sdparam *sdp = isp->isp_param; 2311 int bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 2312 u_int16_t dval, pval, oval; 2313 2314 sdp += bus; 2315 2316 if (IS_CURRENT_SETTINGS(cts)) { 2317 sdp->isp_devparam[tgt].dev_refresh = 1; 2318 isp->isp_update |= (1 << bus); 2319 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, 2320 NULL); 2321 dval = sdp->isp_devparam[tgt].actv_flags; 2322 oval = sdp->isp_devparam[tgt].actv_offset; 2323 pval = sdp->isp_devparam[tgt].actv_period; 2324 } else { 2325 dval = sdp->isp_devparam[tgt].nvrm_flags; 2326 oval = sdp->isp_devparam[tgt].nvrm_offset; 2327 pval = sdp->isp_devparam[tgt].nvrm_period; 2328 } 2329 2330 cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB); 2331 2332 if (dval & DPARM_DISC) { 2333 cts->flags |= CCB_TRANS_DISC_ENB; 2334 } 2335 if (dval & DPARM_TQING) { 2336 cts->flags |= CCB_TRANS_TAG_ENB; 2337 } 2338 if (dval & DPARM_WIDE) { 2339 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2340 } else { 2341 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2342 } 2343 cts->valid = CCB_TRANS_BUS_WIDTH_VALID | 2344 CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2345 2346 if ((dval & DPARM_SYNC) && oval != 0) { 2347 cts->sync_period = pval; 2348 cts->sync_offset = oval; 2349 cts->valid |= 2350 CCB_TRANS_SYNC_RATE_VALID | 2351 CCB_TRANS_SYNC_OFFSET_VALID; 2352 } 2353 isp_prt(isp, ISP_LOGDEBUG0, 2354 "GET %s bus %d targ %d to flags %x off %x per %x", 2355 IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 2356 bus, tgt, dval, oval, pval); 2357 } 2358 ISPLOCK_2_CAMLOCK(isp); 2359 ccb->ccb_h.status = CAM_REQ_CMP; 2360 xpt_done(ccb); 2361 break; 2362 2363 case XPT_CALC_GEOMETRY: 2364 { 2365 struct ccb_calc_geometry *ccg; 2366 u_int32_t secs_per_cylinder; 2367 u_int32_t size_mb; 2368 2369 ccg = &ccb->ccg; 2370 if (ccg->block_size == 0) { 2371 isp_prt(isp, ISP_LOGERR, 2372 "%d.%d XPT_CALC_GEOMETRY block size 0?", 2373 ccg->ccb_h.target_id, ccg->ccb_h.target_lun); 2374 ccb->ccb_h.status = CAM_REQ_INVALID; 2375 xpt_done(ccb); 2376 break; 2377 } 2378 size_mb = ccg->volume_size /((1024L * 1024L) / ccg->block_size); 2379 if (size_mb > 1024) { 2380 ccg->heads = 255; 2381 ccg->secs_per_track = 63; 2382 } else { 2383 ccg->heads = 64; 2384 ccg->secs_per_track = 32; 2385 } 2386 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2387 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2388 ccb->ccb_h.status = CAM_REQ_CMP; 2389 xpt_done(ccb); 2390 break; 2391 } 2392 case XPT_RESET_BUS: /* Reset the specified bus */ 2393 bus = cam_sim_bus(sim); 2394 CAMLOCK_2_ISPLOCK(isp); 2395 error = isp_control(isp, ISPCTL_RESET_BUS, &bus); 2396 ISPLOCK_2_CAMLOCK(isp); 2397 if (error) 2398 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2399 else { 2400 if (cam_sim_bus(sim) && isp->isp_path2 != NULL) 2401 xpt_async(AC_BUS_RESET, isp->isp_path2, NULL); 2402 else if (isp->isp_path != NULL) 2403 xpt_async(AC_BUS_RESET, isp->isp_path, NULL); 2404 ccb->ccb_h.status = CAM_REQ_CMP; 2405 } 2406 xpt_done(ccb); 2407 break; 2408 2409 case XPT_TERM_IO: /* Terminate the I/O process */ 2410 ccb->ccb_h.status = CAM_REQ_INVALID; 2411 xpt_done(ccb); 2412 break; 2413 2414 case XPT_PATH_INQ: /* Path routing inquiry */ 2415 { 2416 struct ccb_pathinq *cpi = &ccb->cpi; 2417 2418 cpi->version_num = 1; 2419 #ifdef ISP_TARGET_MODE 2420 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 2421 #else 2422 cpi->target_sprt = 0; 2423 #endif 2424 cpi->hba_eng_cnt = 0; 2425 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 2426 cpi->max_lun = ISP_MAX_LUNS(isp) - 1; 2427 cpi->bus_id = cam_sim_bus(sim); 2428 if (IS_FC(isp)) { 2429 cpi->hba_misc = PIM_NOBUSRESET; 2430 /* 2431 * Because our loop ID can shift from time to time, 2432 * make our initiator ID out of range of our bus. 2433 */ 2434 cpi->initiator_id = cpi->max_target + 1; 2435 2436 /* 2437 * Set base transfer capabilities for Fibre Channel. 2438 * Technically not correct because we don't know 2439 * what media we're running on top of- but we'll 2440 * look good if we always say 100MB/s. 2441 */ 2442 if (FCPARAM(isp)->isp_gbspeed == 2) 2443 cpi->base_transfer_speed = 200000; 2444 else 2445 cpi->base_transfer_speed = 100000; 2446 cpi->hba_inquiry = PI_TAG_ABLE; 2447 } else { 2448 sdparam *sdp = isp->isp_param; 2449 sdp += cam_sim_bus(xpt_path_sim(cpi->ccb_h.path)); 2450 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 2451 cpi->hba_misc = 0; 2452 cpi->initiator_id = sdp->isp_initiator_id; 2453 cpi->base_transfer_speed = 3300; 2454 } 2455 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2456 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 2457 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 2458 cpi->unit_number = cam_sim_unit(sim); 2459 cpi->ccb_h.status = CAM_REQ_CMP; 2460 xpt_done(ccb); 2461 break; 2462 } 2463 default: 2464 ccb->ccb_h.status = CAM_REQ_INVALID; 2465 xpt_done(ccb); 2466 break; 2467 } 2468 } 2469 2470 #define ISPDDB (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB) 2471 void 2472 isp_done(struct ccb_scsiio *sccb) 2473 { 2474 struct ispsoftc *isp = XS_ISP(sccb); 2475 2476 if (XS_NOERR(sccb)) 2477 XS_SETERR(sccb, CAM_REQ_CMP); 2478 2479 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 2480 (sccb->scsi_status != SCSI_STATUS_OK)) { 2481 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 2482 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && 2483 (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 2484 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 2485 } else { 2486 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 2487 } 2488 } 2489 2490 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2491 if ((sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2492 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 2493 sccb->ccb_h.status |= CAM_DEV_QFRZN; 2494 xpt_freeze_devq(sccb->ccb_h.path, 1); 2495 isp_prt(isp, ISP_LOGDEBUG0, 2496 "freeze devq %d.%d cam sts %x scsi sts %x", 2497 sccb->ccb_h.target_id, sccb->ccb_h.target_lun, 2498 sccb->ccb_h.status, sccb->scsi_status); 2499 } 2500 } 2501 2502 if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && 2503 (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2504 xpt_print_path(sccb->ccb_h.path); 2505 isp_prt(isp, ISP_LOGINFO, 2506 "cam completion status 0x%x", sccb->ccb_h.status); 2507 } 2508 2509 XS_CMD_S_DONE(sccb); 2510 if (XS_CMD_WDOG_P(sccb) == 0) { 2511 callout_stop(&sccb->ccb_h.timeout_ch); 2512 if (XS_CMD_GRACE_P(sccb)) { 2513 isp_prt(isp, ISP_LOGDEBUG2, 2514 "finished command on borrowed time"); 2515 } 2516 XS_CMD_S_CLEAR(sccb); 2517 ISPLOCK_2_CAMLOCK(isp); 2518 xpt_done((union ccb *) sccb); 2519 CAMLOCK_2_ISPLOCK(isp); 2520 } 2521 } 2522 2523 int 2524 isp_async(struct ispsoftc *isp, ispasync_t cmd, void *arg) 2525 { 2526 int bus, rv = 0; 2527 switch (cmd) { 2528 case ISPASYNC_NEW_TGT_PARAMS: 2529 { 2530 int flags, tgt; 2531 sdparam *sdp = isp->isp_param; 2532 struct ccb_trans_settings cts; 2533 struct cam_path *tmppath; 2534 2535 bzero(&cts, sizeof (struct ccb_trans_settings)); 2536 2537 tgt = *((int *)arg); 2538 bus = (tgt >> 16) & 0xffff; 2539 tgt &= 0xffff; 2540 sdp += bus; 2541 ISPLOCK_2_CAMLOCK(isp); 2542 if (xpt_create_path(&tmppath, NULL, 2543 cam_sim_path(bus? isp->isp_sim2 : isp->isp_sim), 2544 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2545 CAMLOCK_2_ISPLOCK(isp); 2546 isp_prt(isp, ISP_LOGWARN, 2547 "isp_async cannot make temp path for %d.%d", 2548 tgt, bus); 2549 rv = -1; 2550 break; 2551 } 2552 CAMLOCK_2_ISPLOCK(isp); 2553 flags = sdp->isp_devparam[tgt].actv_flags; 2554 cts.flags = CCB_TRANS_CURRENT_SETTINGS; 2555 cts.valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2556 if (flags & DPARM_DISC) { 2557 cts.flags |= CCB_TRANS_DISC_ENB; 2558 } 2559 if (flags & DPARM_TQING) { 2560 cts.flags |= CCB_TRANS_TAG_ENB; 2561 } 2562 cts.valid |= CCB_TRANS_BUS_WIDTH_VALID; 2563 cts.bus_width = (flags & DPARM_WIDE)? 2564 MSG_EXT_WDTR_BUS_8_BIT : MSG_EXT_WDTR_BUS_16_BIT; 2565 cts.sync_period = sdp->isp_devparam[tgt].actv_period; 2566 cts.sync_offset = sdp->isp_devparam[tgt].actv_offset; 2567 if (flags & DPARM_SYNC) { 2568 cts.valid |= 2569 CCB_TRANS_SYNC_RATE_VALID | 2570 CCB_TRANS_SYNC_OFFSET_VALID; 2571 } 2572 isp_prt(isp, ISP_LOGDEBUG2, 2573 "NEW_TGT_PARAMS bus %d tgt %d period %x offset %x flags %x", 2574 bus, tgt, sdp->isp_devparam[tgt].actv_period, 2575 sdp->isp_devparam[tgt].actv_offset, flags); 2576 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 2577 ISPLOCK_2_CAMLOCK(isp); 2578 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 2579 xpt_free_path(tmppath); 2580 CAMLOCK_2_ISPLOCK(isp); 2581 break; 2582 } 2583 case ISPASYNC_BUS_RESET: 2584 bus = *((int *)arg); 2585 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", 2586 bus); 2587 if (bus > 0 && isp->isp_path2) { 2588 ISPLOCK_2_CAMLOCK(isp); 2589 xpt_async(AC_BUS_RESET, isp->isp_path2, NULL); 2590 CAMLOCK_2_ISPLOCK(isp); 2591 } else if (isp->isp_path) { 2592 ISPLOCK_2_CAMLOCK(isp); 2593 xpt_async(AC_BUS_RESET, isp->isp_path, NULL); 2594 CAMLOCK_2_ISPLOCK(isp); 2595 } 2596 break; 2597 case ISPASYNC_LIP: 2598 if (isp->isp_path) { 2599 isp_freeze_loopdown(isp, "ISPASYNC_LIP"); 2600 } 2601 isp_prt(isp, ISP_LOGINFO, "LIP Received"); 2602 break; 2603 case ISPASYNC_LOOP_RESET: 2604 if (isp->isp_path) { 2605 isp_freeze_loopdown(isp, "ISPASYNC_LOOP_RESET"); 2606 } 2607 isp_prt(isp, ISP_LOGINFO, "Loop Reset Received"); 2608 break; 2609 case ISPASYNC_LOOP_DOWN: 2610 if (isp->isp_path) { 2611 isp_freeze_loopdown(isp, "ISPASYNC_LOOP_DOWN"); 2612 } 2613 isp_prt(isp, ISP_LOGINFO, "Loop DOWN"); 2614 break; 2615 case ISPASYNC_LOOP_UP: 2616 /* 2617 * Now we just note that Loop has come up. We don't 2618 * actually do anything because we're waiting for a 2619 * Change Notify before activating the FC cleanup 2620 * thread to look at the state of the loop again. 2621 */ 2622 isp_prt(isp, ISP_LOGINFO, "Loop UP"); 2623 break; 2624 case ISPASYNC_PROMENADE: 2625 { 2626 const char *fmt = "Target %d (Loop 0x%x) Port ID 0x%x " 2627 "(role %s) %s\n Port WWN 0x%08x%08x\n Node WWN 0x%08x%08x"; 2628 static const char *roles[4] = { 2629 "(none)", "Target", "Initiator", "Target/Initiator" 2630 }; 2631 fcparam *fcp = isp->isp_param; 2632 int tgt = *((int *) arg); 2633 struct lportdb *lp = &fcp->portdb[tgt]; 2634 2635 isp_prt(isp, ISP_LOGINFO, fmt, tgt, lp->loopid, lp->portid, 2636 roles[lp->roles & 0x3], 2637 (lp->valid)? "Arrived" : "Departed", 2638 (u_int32_t) (lp->port_wwn >> 32), 2639 (u_int32_t) (lp->port_wwn & 0xffffffffLL), 2640 (u_int32_t) (lp->node_wwn >> 32), 2641 (u_int32_t) (lp->node_wwn & 0xffffffffLL)); 2642 2643 break; 2644 } 2645 case ISPASYNC_CHANGE_NOTIFY: 2646 if (arg == ISPASYNC_CHANGE_PDB) { 2647 isp_prt(isp, ISP_LOGINFO, 2648 "Port Database Changed"); 2649 } else if (arg == ISPASYNC_CHANGE_SNS) { 2650 isp_prt(isp, ISP_LOGINFO, 2651 "Name Server Database Changed"); 2652 } 2653 wakeup(&isp->isp_osinfo.kthread); 2654 break; 2655 case ISPASYNC_FABRIC_DEV: 2656 { 2657 int target, base, lim; 2658 fcparam *fcp = isp->isp_param; 2659 struct lportdb *lp = NULL; 2660 struct lportdb *clp = (struct lportdb *) arg; 2661 char *pt; 2662 2663 switch (clp->port_type) { 2664 case 1: 2665 pt = " N_Port"; 2666 break; 2667 case 2: 2668 pt = " NL_Port"; 2669 break; 2670 case 3: 2671 pt = "F/NL_Port"; 2672 break; 2673 case 0x7f: 2674 pt = " Nx_Port"; 2675 break; 2676 case 0x81: 2677 pt = " F_port"; 2678 break; 2679 case 0x82: 2680 pt = " FL_Port"; 2681 break; 2682 case 0x84: 2683 pt = " E_port"; 2684 break; 2685 default: 2686 pt = " "; 2687 break; 2688 } 2689 2690 isp_prt(isp, ISP_LOGINFO, 2691 "%s Fabric Device @ PortID 0x%x", pt, clp->portid); 2692 2693 /* 2694 * If we don't have an initiator role we bail. 2695 * 2696 * We just use ISPASYNC_FABRIC_DEV for announcement purposes. 2697 */ 2698 2699 if ((isp->isp_role & ISP_ROLE_INITIATOR) == 0) { 2700 break; 2701 } 2702 2703 /* 2704 * Is this entry for us? If so, we bail. 2705 */ 2706 2707 if (fcp->isp_portid == clp->portid) { 2708 break; 2709 } 2710 2711 /* 2712 * Else, the default policy is to find room for it in 2713 * our local port database. Later, when we execute 2714 * the call to isp_pdb_sync either this newly arrived 2715 * or already logged in device will be (re)announced. 2716 */ 2717 2718 if (fcp->isp_topo == TOPO_FL_PORT) 2719 base = FC_SNS_ID+1; 2720 else 2721 base = 0; 2722 2723 if (fcp->isp_topo == TOPO_N_PORT) 2724 lim = 1; 2725 else 2726 lim = MAX_FC_TARG; 2727 2728 /* 2729 * Is it already in our list? 2730 */ 2731 for (target = base; target < lim; target++) { 2732 if (target >= FL_PORT_ID && target <= FC_SNS_ID) { 2733 continue; 2734 } 2735 lp = &fcp->portdb[target]; 2736 if (lp->port_wwn == clp->port_wwn && 2737 lp->node_wwn == clp->node_wwn) { 2738 lp->fabric_dev = 1; 2739 break; 2740 } 2741 } 2742 if (target < lim) { 2743 break; 2744 } 2745 for (target = base; target < lim; target++) { 2746 if (target >= FL_PORT_ID && target <= FC_SNS_ID) { 2747 continue; 2748 } 2749 lp = &fcp->portdb[target]; 2750 if (lp->port_wwn == 0) { 2751 break; 2752 } 2753 } 2754 if (target == lim) { 2755 isp_prt(isp, ISP_LOGWARN, 2756 "out of space for fabric devices"); 2757 break; 2758 } 2759 lp->port_type = clp->port_type; 2760 lp->fc4_type = clp->fc4_type; 2761 lp->node_wwn = clp->node_wwn; 2762 lp->port_wwn = clp->port_wwn; 2763 lp->portid = clp->portid; 2764 lp->fabric_dev = 1; 2765 break; 2766 } 2767 #ifdef ISP_TARGET_MODE 2768 case ISPASYNC_TARGET_MESSAGE: 2769 { 2770 tmd_msg_t *mp = arg; 2771 isp_prt(isp, ISP_LOGALL, 2772 "bus %d iid %d tgt %d lun %d ttype %x tval %x msg[0]=%x", 2773 mp->nt_bus, (int) mp->nt_iid, (int) mp->nt_tgt, 2774 (int) mp->nt_lun, mp->nt_tagtype, mp->nt_tagval, 2775 mp->nt_msg[0]); 2776 break; 2777 } 2778 case ISPASYNC_TARGET_EVENT: 2779 { 2780 tmd_event_t *ep = arg; 2781 isp_prt(isp, ISP_LOGALL, 2782 "bus %d event code 0x%x", ep->ev_bus, ep->ev_event); 2783 break; 2784 } 2785 case ISPASYNC_TARGET_ACTION: 2786 switch (((isphdr_t *)arg)->rqs_entry_type) { 2787 default: 2788 isp_prt(isp, ISP_LOGWARN, 2789 "event 0x%x for unhandled target action", 2790 ((isphdr_t *)arg)->rqs_entry_type); 2791 break; 2792 case RQSTYPE_NOTIFY: 2793 if (IS_SCSI(isp)) { 2794 rv = isp_handle_platform_notify_scsi(isp, 2795 (in_entry_t *) arg); 2796 } else { 2797 rv = isp_handle_platform_notify_fc(isp, 2798 (in_fcentry_t *) arg); 2799 } 2800 break; 2801 case RQSTYPE_ATIO: 2802 rv = isp_handle_platform_atio(isp, (at_entry_t *) arg); 2803 break; 2804 case RQSTYPE_ATIO2: 2805 rv = isp_handle_platform_atio2(isp, (at2_entry_t *)arg); 2806 break; 2807 case RQSTYPE_CTIO2: 2808 case RQSTYPE_CTIO: 2809 rv = isp_handle_platform_ctio(isp, arg); 2810 break; 2811 case RQSTYPE_ENABLE_LUN: 2812 case RQSTYPE_MODIFY_LUN: 2813 if (IS_DUALBUS(isp)) { 2814 bus = 2815 GET_BUS_VAL(((lun_entry_t *)arg)->le_rsvd); 2816 } else { 2817 bus = 0; 2818 } 2819 isp_cv_signal_rqe(isp, bus, 2820 ((lun_entry_t *)arg)->le_status); 2821 break; 2822 } 2823 break; 2824 #endif 2825 case ISPASYNC_FW_CRASH: 2826 { 2827 u_int16_t mbox1, mbox6; 2828 mbox1 = ISP_READ(isp, OUTMAILBOX1); 2829 if (IS_DUALBUS(isp)) { 2830 mbox6 = ISP_READ(isp, OUTMAILBOX6); 2831 } else { 2832 mbox6 = 0; 2833 } 2834 isp_prt(isp, ISP_LOGERR, 2835 "Internal Firmware Error on bus %d @ RISC Address 0x%x", 2836 mbox6, mbox1); 2837 #ifdef ISP_FW_CRASH_DUMP 2838 /* 2839 * XXX: really need a thread to do this right. 2840 */ 2841 if (IS_FC(isp)) { 2842 FCPARAM(isp)->isp_fwstate = FW_CONFIG_WAIT; 2843 FCPARAM(isp)->isp_loopstate = LOOP_NIL; 2844 isp_freeze_loopdown(isp, "f/w crash"); 2845 isp_fw_dump(isp); 2846 } 2847 isp_reinit(isp); 2848 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 2849 #endif 2850 break; 2851 } 2852 case ISPASYNC_UNHANDLED_RESPONSE: 2853 break; 2854 default: 2855 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 2856 break; 2857 } 2858 return (rv); 2859 } 2860 2861 2862 /* 2863 * Locks are held before coming here. 2864 */ 2865 void 2866 isp_uninit(struct ispsoftc *isp) 2867 { 2868 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET); 2869 DISABLE_INTS(isp); 2870 } 2871 2872 void 2873 isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...) 2874 { 2875 __va_list ap; 2876 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 2877 return; 2878 } 2879 printf("%s: ", device_get_nameunit(isp->isp_dev)); 2880 __va_start(ap, fmt); 2881 vprintf(fmt, ap); 2882 __va_end(ap); 2883 printf("\n"); 2884 } 2885