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 1.13 2005/06/06 22:51:54 corecode 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 isp->isp_osinfo.ehook.ich_desc = "isp"; 109 ISPLOCK_2_CAMLOCK(isp); 110 if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) { 111 cam_sim_free(sim); 112 CAMLOCK_2_ISPLOCK(isp); 113 isp_prt(isp, ISP_LOGERR, 114 "could not establish interrupt enable hook"); 115 return; 116 } 117 118 if (xpt_bus_register(sim, primary) != CAM_SUCCESS) { 119 cam_sim_free(sim); 120 CAMLOCK_2_ISPLOCK(isp); 121 return; 122 } 123 124 if (xpt_create_path(&path, NULL, cam_sim_path(sim), 125 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 126 xpt_bus_deregister(cam_sim_path(sim)); 127 cam_sim_free(sim); 128 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 129 CAMLOCK_2_ISPLOCK(isp); 130 return; 131 } 132 133 xpt_setup_ccb(&csa.ccb_h, path, 5); 134 csa.ccb_h.func_code = XPT_SASYNC_CB; 135 csa.event_enable = AC_LOST_DEVICE; 136 csa.callback = isp_cam_async; 137 csa.callback_arg = sim; 138 xpt_action((union ccb *)&csa); 139 CAMLOCK_2_ISPLOCK(isp); 140 isp->isp_sim = sim; 141 isp->isp_path = path; 142 /* 143 * Create a kernel thread for fibre channel instances. We 144 * don't have dual channel FC cards. 145 */ 146 if (IS_FC(isp)) { 147 ISPLOCK_2_CAMLOCK(isp); 148 if (kthread_create(isp_kthread, isp, &isp->isp_osinfo.kthread, 149 "%s: fc_thrd", device_get_nameunit(isp->isp_dev))) { 150 xpt_bus_deregister(cam_sim_path(sim)); 151 cam_sim_free(sim); 152 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 153 CAMLOCK_2_ISPLOCK(isp); 154 isp_prt(isp, ISP_LOGERR, "could not create kthread"); 155 return; 156 } 157 CAMLOCK_2_ISPLOCK(isp); 158 } 159 160 161 /* 162 * If we have a second channel, construct SIM entry for that. 163 */ 164 if (IS_DUALBUS(isp)) { 165 ISPLOCK_2_CAMLOCK(isp); 166 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 167 device_get_unit(isp->isp_dev), 1, isp->isp_maxcmds, devq); 168 if (sim == NULL) { 169 xpt_bus_deregister(cam_sim_path(isp->isp_sim)); 170 xpt_free_path(isp->isp_path); 171 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 172 return; 173 } 174 if (xpt_bus_register(sim, secondary) != CAM_SUCCESS) { 175 xpt_bus_deregister(cam_sim_path(isp->isp_sim)); 176 xpt_free_path(isp->isp_path); 177 cam_sim_free(sim); 178 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 179 CAMLOCK_2_ISPLOCK(isp); 180 return; 181 } 182 183 if (xpt_create_path(&path, NULL, cam_sim_path(sim), 184 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 185 xpt_bus_deregister(cam_sim_path(isp->isp_sim)); 186 xpt_free_path(isp->isp_path); 187 xpt_bus_deregister(cam_sim_path(sim)); 188 cam_sim_free(sim); 189 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 190 CAMLOCK_2_ISPLOCK(isp); 191 return; 192 } 193 194 xpt_setup_ccb(&csa.ccb_h, path, 5); 195 csa.ccb_h.func_code = XPT_SASYNC_CB; 196 csa.event_enable = AC_LOST_DEVICE; 197 csa.callback = isp_cam_async; 198 csa.callback_arg = sim; 199 xpt_action((union ccb *)&csa); 200 CAMLOCK_2_ISPLOCK(isp); 201 isp->isp_sim2 = sim; 202 isp->isp_path2 = path; 203 } 204 /* 205 * Create device nodes 206 */ 207 cdevsw_add(&isp_cdevsw, -1, device_get_unit(isp->isp_dev)); 208 make_dev(&isp_cdevsw, device_get_unit(isp->isp_dev), UID_ROOT, 209 GID_OPERATOR, 0600, "%s", device_get_nameunit(isp->isp_dev)); 210 211 if (isp->isp_role != ISP_ROLE_NONE) { 212 isp->isp_state = ISP_RUNSTATE; 213 } 214 if (isplist == NULL) { 215 isplist = isp; 216 } else { 217 struct ispsoftc *tmp = isplist; 218 while (tmp->isp_osinfo.next) { 219 tmp = tmp->isp_osinfo.next; 220 } 221 tmp->isp_osinfo.next = isp; 222 } 223 224 } 225 226 static INLINE void 227 isp_freeze_loopdown(struct ispsoftc *isp, char *msg) 228 { 229 if (isp->isp_osinfo.simqfrozen == 0) { 230 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown)", msg); 231 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN; 232 ISPLOCK_2_CAMLOCK(isp); 233 xpt_freeze_simq(isp->isp_sim, 1); 234 CAMLOCK_2_ISPLOCK(isp); 235 } else { 236 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown)", msg); 237 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN; 238 } 239 } 240 241 static int 242 ispioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, d_thread_t *td) 243 { 244 struct ispsoftc *isp; 245 int retval = ENOTTY; 246 247 isp = isplist; 248 while (isp) { 249 if (minor(dev) == device_get_unit(isp->isp_dev)) { 250 break; 251 } 252 isp = isp->isp_osinfo.next; 253 } 254 if (isp == NULL) 255 return (ENXIO); 256 257 switch (cmd) { 258 #ifdef ISP_FW_CRASH_DUMP 259 case ISP_GET_FW_CRASH_DUMP: 260 { 261 u_int16_t *ptr = FCPARAM(isp)->isp_dump_data; 262 size_t sz; 263 264 retval = 0; 265 if (IS_2200(isp)) 266 sz = QLA2200_RISC_IMAGE_DUMP_SIZE; 267 else 268 sz = QLA2300_RISC_IMAGE_DUMP_SIZE; 269 ISP_LOCK(isp); 270 if (ptr && *ptr) { 271 void *uaddr = *((void **) addr); 272 if (copyout(ptr, uaddr, sz)) { 273 retval = EFAULT; 274 } else { 275 *ptr = 0; 276 } 277 } else { 278 retval = ENXIO; 279 } 280 ISP_UNLOCK(isp); 281 break; 282 } 283 284 case ISP_FORCE_CRASH_DUMP: 285 ISP_LOCK(isp); 286 isp_freeze_loopdown(isp, "ispioctl(ISP_FORCE_CRASH_DUMP)"); 287 isp_fw_dump(isp); 288 isp_reinit(isp); 289 ISP_UNLOCK(isp); 290 retval = 0; 291 break; 292 #endif 293 case ISP_SDBLEV: 294 { 295 int olddblev = isp->isp_dblev; 296 isp->isp_dblev = *(int *)addr; 297 *(int *)addr = olddblev; 298 retval = 0; 299 break; 300 } 301 case ISP_RESETHBA: 302 ISP_LOCK(isp); 303 isp_reinit(isp); 304 ISP_UNLOCK(isp); 305 retval = 0; 306 break; 307 case ISP_RESCAN: 308 if (IS_FC(isp)) { 309 ISP_LOCK(isp); 310 if (isp_fc_runstate(isp, 5 * 1000000)) { 311 retval = EIO; 312 } else { 313 retval = 0; 314 } 315 ISP_UNLOCK(isp); 316 } 317 break; 318 case ISP_FC_LIP: 319 if (IS_FC(isp)) { 320 ISP_LOCK(isp); 321 if (isp_control(isp, ISPCTL_SEND_LIP, 0)) { 322 retval = EIO; 323 } else { 324 retval = 0; 325 } 326 ISP_UNLOCK(isp); 327 } 328 break; 329 case ISP_FC_GETDINFO: 330 { 331 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 332 struct lportdb *lp; 333 334 if (ifc->loopid < 0 || ifc->loopid >= MAX_FC_TARG) { 335 retval = EINVAL; 336 break; 337 } 338 ISP_LOCK(isp); 339 lp = &FCPARAM(isp)->portdb[ifc->loopid]; 340 if (lp->valid) { 341 ifc->loopid = lp->loopid; 342 ifc->portid = lp->portid; 343 ifc->node_wwn = lp->node_wwn; 344 ifc->port_wwn = lp->port_wwn; 345 retval = 0; 346 } else { 347 retval = ENODEV; 348 } 349 ISP_UNLOCK(isp); 350 break; 351 } 352 case ISP_GET_STATS: 353 { 354 isp_stats_t *sp = (isp_stats_t *) addr; 355 356 MEMZERO(sp, sizeof (*sp)); 357 sp->isp_stat_version = ISP_STATS_VERSION; 358 sp->isp_type = isp->isp_type; 359 sp->isp_revision = isp->isp_revision; 360 ISP_LOCK(isp); 361 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 362 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 363 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 364 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 365 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 366 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 367 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 368 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 369 ISP_UNLOCK(isp); 370 retval = 0; 371 break; 372 } 373 case ISP_CLR_STATS: 374 ISP_LOCK(isp); 375 isp->isp_intcnt = 0; 376 isp->isp_intbogus = 0; 377 isp->isp_intmboxc = 0; 378 isp->isp_intoasync = 0; 379 isp->isp_rsltccmplt = 0; 380 isp->isp_fphccmplt = 0; 381 isp->isp_rscchiwater = 0; 382 isp->isp_fpcchiwater = 0; 383 ISP_UNLOCK(isp); 384 retval = 0; 385 break; 386 case ISP_FC_GETHINFO: 387 { 388 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 389 MEMZERO(hba, sizeof (*hba)); 390 ISP_LOCK(isp); 391 hba->fc_speed = FCPARAM(isp)->isp_gbspeed; 392 hba->fc_scsi_supported = 1; 393 hba->fc_topology = FCPARAM(isp)->isp_topo + 1; 394 hba->fc_loopid = FCPARAM(isp)->isp_loopid; 395 hba->active_node_wwn = FCPARAM(isp)->isp_nodewwn; 396 hba->active_port_wwn = FCPARAM(isp)->isp_portwwn; 397 ISP_UNLOCK(isp); 398 retval = 0; 399 break; 400 } 401 case ISP_GET_FC_PARAM: 402 { 403 struct isp_fc_param *f = (struct isp_fc_param *) addr; 404 405 if (!IS_FC(isp)) { 406 retval = EINVAL; 407 break; 408 } 409 f->parameter = 0; 410 if (strcmp(f->param_name, "framelength") == 0) { 411 f->parameter = FCPARAM(isp)->isp_maxfrmlen; 412 retval = 0; 413 break; 414 } 415 if (strcmp(f->param_name, "exec_throttle") == 0) { 416 f->parameter = FCPARAM(isp)->isp_execthrottle; 417 retval = 0; 418 break; 419 } 420 if (strcmp(f->param_name, "fullduplex") == 0) { 421 if (FCPARAM(isp)->isp_fwoptions & ICBOPT_FULL_DUPLEX) 422 f->parameter = 1; 423 retval = 0; 424 break; 425 } 426 if (strcmp(f->param_name, "loopid") == 0) { 427 f->parameter = FCPARAM(isp)->isp_loopid; 428 retval = 0; 429 break; 430 } 431 retval = EINVAL; 432 break; 433 } 434 case ISP_SET_FC_PARAM: 435 { 436 struct isp_fc_param *f = (struct isp_fc_param *) addr; 437 u_int32_t param = f->parameter; 438 439 if (!IS_FC(isp)) { 440 retval = EINVAL; 441 break; 442 } 443 f->parameter = 0; 444 if (strcmp(f->param_name, "framelength") == 0) { 445 if (param != 512 && param != 1024 && param != 1024) { 446 retval = EINVAL; 447 break; 448 } 449 FCPARAM(isp)->isp_maxfrmlen = param; 450 retval = 0; 451 break; 452 } 453 if (strcmp(f->param_name, "exec_throttle") == 0) { 454 if (param < 16 || param > 255) { 455 retval = EINVAL; 456 break; 457 } 458 FCPARAM(isp)->isp_execthrottle = param; 459 retval = 0; 460 break; 461 } 462 if (strcmp(f->param_name, "fullduplex") == 0) { 463 if (param != 0 && param != 1) { 464 retval = EINVAL; 465 break; 466 } 467 if (param) { 468 FCPARAM(isp)->isp_fwoptions |= 469 ICBOPT_FULL_DUPLEX; 470 } else { 471 FCPARAM(isp)->isp_fwoptions &= 472 ~ICBOPT_FULL_DUPLEX; 473 } 474 retval = 0; 475 break; 476 } 477 if (strcmp(f->param_name, "loopid") == 0) { 478 if (param < 0 || param > 125) { 479 retval = EINVAL; 480 break; 481 } 482 FCPARAM(isp)->isp_loopid = param; 483 retval = 0; 484 break; 485 } 486 retval = EINVAL; 487 break; 488 } 489 default: 490 break; 491 } 492 return (retval); 493 } 494 495 static void 496 isp_intr_enable(void *arg) 497 { 498 struct ispsoftc *isp = arg; 499 if (isp->isp_role != ISP_ROLE_NONE) { 500 ENABLE_INTS(isp); 501 } 502 /* Release our hook so that the boot can continue. */ 503 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 504 } 505 506 /* 507 * Put the target mode functions here, because some are inlines 508 */ 509 510 #ifdef ISP_TARGET_MODE 511 512 static INLINE int is_lun_enabled(struct ispsoftc *, int, lun_id_t); 513 static INLINE int are_any_luns_enabled(struct ispsoftc *, int); 514 static INLINE tstate_t *get_lun_statep(struct ispsoftc *, int, lun_id_t); 515 static INLINE void rls_lun_statep(struct ispsoftc *, tstate_t *); 516 static INLINE int isp_psema_sig_rqe(struct ispsoftc *, int); 517 static INLINE int isp_cv_wait_timed_rqe(struct ispsoftc *, int, int); 518 static INLINE void isp_cv_signal_rqe(struct ispsoftc *, int, int); 519 static INLINE void isp_vsema_rqe(struct ispsoftc *, int); 520 static INLINE atio_private_data_t *isp_get_atpd(struct ispsoftc *, int); 521 static cam_status 522 create_lun_state(struct ispsoftc *, int, struct cam_path *, tstate_t **); 523 static void destroy_lun_state(struct ispsoftc *, tstate_t *); 524 static void isp_en_lun(struct ispsoftc *, union ccb *); 525 static cam_status isp_abort_tgt_ccb(struct ispsoftc *, union ccb *); 526 static timeout_t isp_refire_putback_atio; 527 static void isp_complete_ctio(union ccb *); 528 static void isp_target_putback_atio(union ccb *); 529 static cam_status isp_target_start_ctio(struct ispsoftc *, union ccb *); 530 static int isp_handle_platform_atio(struct ispsoftc *, at_entry_t *); 531 static int isp_handle_platform_atio2(struct ispsoftc *, at2_entry_t *); 532 static int isp_handle_platform_ctio(struct ispsoftc *, void *); 533 static int isp_handle_platform_notify_scsi(struct ispsoftc *, in_entry_t *); 534 static int isp_handle_platform_notify_fc(struct ispsoftc *, in_fcentry_t *); 535 536 static INLINE int 537 is_lun_enabled(struct ispsoftc *isp, int bus, lun_id_t lun) 538 { 539 tstate_t *tptr; 540 tptr = isp->isp_osinfo.lun_hash[LUN_HASH_FUNC(isp, bus, lun)]; 541 if (tptr == NULL) { 542 return (0); 543 } 544 do { 545 if (tptr->lun == (lun_id_t) lun && tptr->bus == bus) { 546 return (1); 547 } 548 } while ((tptr = tptr->next) != NULL); 549 return (0); 550 } 551 552 static INLINE int 553 are_any_luns_enabled(struct ispsoftc *isp, int port) 554 { 555 int lo, hi; 556 if (IS_DUALBUS(isp)) { 557 lo = (port * (LUN_HASH_SIZE >> 1)); 558 hi = lo + (LUN_HASH_SIZE >> 1); 559 } else { 560 lo = 0; 561 hi = LUN_HASH_SIZE; 562 } 563 for (lo = 0; lo < hi; lo++) { 564 if (isp->isp_osinfo.lun_hash[lo]) { 565 return (1); 566 } 567 } 568 return (0); 569 } 570 571 static INLINE tstate_t * 572 get_lun_statep(struct ispsoftc *isp, int bus, lun_id_t lun) 573 { 574 tstate_t *tptr = NULL; 575 576 if (lun == CAM_LUN_WILDCARD) { 577 if (isp->isp_osinfo.tmflags[bus] & TM_WILDCARD_ENABLED) { 578 tptr = &isp->isp_osinfo.tsdflt[bus]; 579 tptr->hold++; 580 return (tptr); 581 } 582 } else { 583 tptr = isp->isp_osinfo.lun_hash[LUN_HASH_FUNC(isp, bus, lun)]; 584 if (tptr == NULL) { 585 return (NULL); 586 } 587 } 588 589 do { 590 if (tptr->lun == lun && tptr->bus == bus) { 591 tptr->hold++; 592 return (tptr); 593 } 594 } while ((tptr = tptr->next) != NULL); 595 return (tptr); 596 } 597 598 static __inline void 599 rls_lun_statep(struct ispsoftc *isp, tstate_t *tptr) 600 { 601 if (tptr->hold) 602 tptr->hold--; 603 } 604 605 static __inline int 606 isp_psema_sig_rqe(struct ispsoftc *isp, int bus) 607 { 608 while (isp->isp_osinfo.tmflags[bus] & TM_BUSY) { 609 isp->isp_osinfo.tmflags[bus] |= TM_WANTED; 610 if (tsleep(&isp->isp_osinfo.tmflags[bus], PCATCH, "i0", 0)) { 611 return (-1); 612 } 613 isp->isp_osinfo.tmflags[bus] |= TM_BUSY; 614 } 615 return (0); 616 } 617 618 static __inline int 619 isp_cv_wait_timed_rqe(struct ispsoftc *isp, int bus, int timo) 620 { 621 if (tsleep(&isp->isp_osinfo.rstatus[bus], 0, "qt1", timo)) { 622 return (-1); 623 } 624 return (0); 625 } 626 627 static __inline void 628 isp_cv_signal_rqe(struct ispsoftc *isp, int bus, int status) 629 { 630 isp->isp_osinfo.rstatus[bus] = status; 631 wakeup(&isp->isp_osinfo.rstatus[bus]); 632 } 633 634 static __inline void 635 isp_vsema_rqe(struct ispsoftc *isp, int bus) 636 { 637 if (isp->isp_osinfo.tmflags[bus] & TM_WANTED) { 638 isp->isp_osinfo.tmflags[bus] &= ~TM_WANTED; 639 wakeup(&isp->isp_osinfo.tmflags[bus]); 640 } 641 isp->isp_osinfo.tmflags[bus] &= ~TM_BUSY; 642 } 643 644 static __inline atio_private_data_t * 645 isp_get_atpd(struct ispsoftc *isp, int tag) 646 { 647 atio_private_data_t *atp; 648 for (atp = isp->isp_osinfo.atpdp; 649 atp < &isp->isp_osinfo.atpdp[ATPDPSIZE]; atp++) { 650 if (atp->tag == tag) 651 return (atp); 652 } 653 return (NULL); 654 } 655 656 static cam_status 657 create_lun_state(struct ispsoftc *isp, int bus, 658 struct cam_path *path, tstate_t **rslt) 659 { 660 cam_status status; 661 lun_id_t lun; 662 int hfx; 663 tstate_t *tptr, *new; 664 665 lun = xpt_path_lun_id(path); 666 if (lun < 0) { 667 return (CAM_LUN_INVALID); 668 } 669 if (is_lun_enabled(isp, bus, lun)) { 670 return (CAM_LUN_ALRDY_ENA); 671 } 672 new = malloc(sizeof (tstate_t), M_DEVBUF, M_WAITOK | M_ZERO); 673 status = xpt_create_path(&new->owner, NULL, xpt_path_path_id(path), 674 xpt_path_target_id(path), xpt_path_lun_id(path)); 675 if (status != CAM_REQ_CMP) { 676 free(new, M_DEVBUF); 677 return (status); 678 } 679 new->bus = bus; 680 new->lun = lun; 681 SLIST_INIT(&new->atios); 682 SLIST_INIT(&new->inots); 683 new->hold = 1; 684 685 hfx = LUN_HASH_FUNC(isp, new->bus, new->lun); 686 tptr = isp->isp_osinfo.lun_hash[hfx]; 687 if (tptr == NULL) { 688 isp->isp_osinfo.lun_hash[hfx] = new; 689 } else { 690 while (tptr->next) 691 tptr = tptr->next; 692 tptr->next = new; 693 } 694 *rslt = new; 695 return (CAM_REQ_CMP); 696 } 697 698 static INLINE void 699 destroy_lun_state(struct ispsoftc *isp, tstate_t *tptr) 700 { 701 int hfx; 702 tstate_t *lw, *pw; 703 704 hfx = LUN_HASH_FUNC(isp, tptr->bus, tptr->lun); 705 if (tptr->hold) { 706 return; 707 } 708 pw = isp->isp_osinfo.lun_hash[hfx]; 709 if (pw == NULL) { 710 return; 711 } else if (pw->lun == tptr->lun && pw->bus == tptr->bus) { 712 isp->isp_osinfo.lun_hash[hfx] = pw->next; 713 } else { 714 lw = pw; 715 pw = lw->next; 716 while (pw) { 717 if (pw->lun == tptr->lun && pw->bus == tptr->bus) { 718 lw->next = pw->next; 719 break; 720 } 721 lw = pw; 722 pw = pw->next; 723 } 724 if (pw == NULL) { 725 return; 726 } 727 } 728 free(tptr, M_DEVBUF); 729 } 730 731 /* 732 * we enter with our locks held. 733 */ 734 static void 735 isp_en_lun(struct ispsoftc *isp, union ccb *ccb) 736 { 737 const char lfmt[] = "Lun now %sabled for target mode on channel %d"; 738 struct ccb_en_lun *cel = &ccb->cel; 739 tstate_t *tptr; 740 u_int16_t rstat; 741 int bus, cmd, av, wildcard; 742 lun_id_t lun; 743 target_id_t tgt; 744 745 746 bus = XS_CHANNEL(ccb) & 0x1; 747 tgt = ccb->ccb_h.target_id; 748 lun = ccb->ccb_h.target_lun; 749 750 /* 751 * Do some sanity checking first. 752 */ 753 754 if ((lun != CAM_LUN_WILDCARD) && 755 (lun < 0 || lun >= (lun_id_t) isp->isp_maxluns)) { 756 ccb->ccb_h.status = CAM_LUN_INVALID; 757 return; 758 } 759 760 if (IS_SCSI(isp)) { 761 sdparam *sdp = isp->isp_param; 762 sdp += bus; 763 if (tgt != CAM_TARGET_WILDCARD && 764 tgt != sdp->isp_initiator_id) { 765 ccb->ccb_h.status = CAM_TID_INVALID; 766 return; 767 } 768 } else { 769 if (tgt != CAM_TARGET_WILDCARD && 770 tgt != FCPARAM(isp)->isp_iid) { 771 ccb->ccb_h.status = CAM_TID_INVALID; 772 return; 773 } 774 /* 775 * This is as a good a place as any to check f/w capabilities. 776 */ 777 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_TMODE) == 0) { 778 isp_prt(isp, ISP_LOGERR, 779 "firmware does not support target mode"); 780 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 781 return; 782 } 783 /* 784 * XXX: We *could* handle non-SCCLUN f/w, but we'd have to 785 * XXX: dorks with our already fragile enable/disable code. 786 */ 787 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) == 0) { 788 isp_prt(isp, ISP_LOGERR, 789 "firmware not SCCLUN capable"); 790 } 791 } 792 793 if (tgt == CAM_TARGET_WILDCARD) { 794 if (lun == CAM_LUN_WILDCARD) { 795 wildcard = 1; 796 } else { 797 ccb->ccb_h.status = CAM_LUN_INVALID; 798 return; 799 } 800 } else { 801 wildcard = 0; 802 } 803 804 /* 805 * Next check to see whether this is a target/lun wildcard action. 806 * 807 * If so, we know that we can accept commands for luns that haven't 808 * been enabled yet and send them upstream. Otherwise, we have to 809 * handle them locally (if we see them at all). 810 */ 811 812 if (wildcard) { 813 tptr = &isp->isp_osinfo.tsdflt[bus]; 814 if (cel->enable) { 815 if (isp->isp_osinfo.tmflags[bus] & 816 TM_WILDCARD_ENABLED) { 817 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 818 return; 819 } 820 ccb->ccb_h.status = 821 xpt_create_path(&tptr->owner, NULL, 822 xpt_path_path_id(ccb->ccb_h.path), 823 xpt_path_target_id(ccb->ccb_h.path), 824 xpt_path_lun_id(ccb->ccb_h.path)); 825 if (ccb->ccb_h.status != CAM_REQ_CMP) { 826 return; 827 } 828 SLIST_INIT(&tptr->atios); 829 SLIST_INIT(&tptr->inots); 830 isp->isp_osinfo.tmflags[bus] |= TM_WILDCARD_ENABLED; 831 } else { 832 if ((isp->isp_osinfo.tmflags[bus] & 833 TM_WILDCARD_ENABLED) == 0) { 834 ccb->ccb_h.status = CAM_REQ_CMP; 835 return; 836 } 837 if (tptr->hold) { 838 ccb->ccb_h.status = CAM_SCSI_BUSY; 839 return; 840 } 841 xpt_free_path(tptr->owner); 842 isp->isp_osinfo.tmflags[bus] &= ~TM_WILDCARD_ENABLED; 843 } 844 } 845 846 /* 847 * Now check to see whether this bus needs to be 848 * enabled/disabled with respect to target mode. 849 */ 850 av = bus << 31; 851 if (cel->enable && !(isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED)) { 852 av |= ENABLE_TARGET_FLAG; 853 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av); 854 if (av) { 855 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 856 if (wildcard) { 857 isp->isp_osinfo.tmflags[bus] &= 858 ~TM_WILDCARD_ENABLED; 859 xpt_free_path(tptr->owner); 860 } 861 return; 862 } 863 isp->isp_osinfo.tmflags[bus] |= TM_TMODE_ENABLED; 864 isp_prt(isp, ISP_LOGINFO, 865 "Target Mode enabled on channel %d", bus); 866 } else if (cel->enable == 0 && 867 (isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED) && wildcard) { 868 if (are_any_luns_enabled(isp, bus)) { 869 ccb->ccb_h.status = CAM_SCSI_BUSY; 870 return; 871 } 872 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av); 873 if (av) { 874 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 875 return; 876 } 877 isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED; 878 isp_prt(isp, ISP_LOGINFO, 879 "Target Mode disabled on channel %d", bus); 880 } 881 882 if (wildcard) { 883 ccb->ccb_h.status = CAM_REQ_CMP; 884 return; 885 } 886 887 if (cel->enable) { 888 ccb->ccb_h.status = 889 create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 890 if (ccb->ccb_h.status != CAM_REQ_CMP) { 891 return; 892 } 893 } else { 894 tptr = get_lun_statep(isp, bus, lun); 895 if (tptr == NULL) { 896 ccb->ccb_h.status = CAM_LUN_INVALID; 897 return; 898 } 899 } 900 901 if (isp_psema_sig_rqe(isp, bus)) { 902 rls_lun_statep(isp, tptr); 903 if (cel->enable) 904 destroy_lun_state(isp, tptr); 905 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 906 return; 907 } 908 909 if (cel->enable) { 910 u_int32_t seq = isp->isp_osinfo.rollinfo++; 911 int c, n, ulun = lun; 912 913 cmd = RQSTYPE_ENABLE_LUN; 914 c = DFLT_CMND_CNT; 915 n = DFLT_INOT_CNT; 916 if (IS_FC(isp) && lun != 0) { 917 cmd = RQSTYPE_MODIFY_LUN; 918 n = 0; 919 /* 920 * For SCC firmware, we only deal with setting 921 * (enabling or modifying) lun 0. 922 */ 923 ulun = 0; 924 } 925 rstat = LUN_ERR; 926 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq)) { 927 xpt_print_path(ccb->ccb_h.path); 928 isp_prt(isp, ISP_LOGWARN, "isp_lun_cmd failed"); 929 goto out; 930 } 931 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) { 932 xpt_print_path(ccb->ccb_h.path); 933 isp_prt(isp, ISP_LOGERR, 934 "wait for ENABLE/MODIFY LUN timed out"); 935 goto out; 936 } 937 rstat = isp->isp_osinfo.rstatus[bus]; 938 if (rstat != LUN_OK) { 939 xpt_print_path(ccb->ccb_h.path); 940 isp_prt(isp, ISP_LOGERR, 941 "ENABLE/MODIFY LUN returned 0x%x", rstat); 942 goto out; 943 } 944 } else { 945 int c, n, ulun = lun; 946 u_int32_t seq; 947 948 rstat = LUN_ERR; 949 seq = isp->isp_osinfo.rollinfo++; 950 cmd = -RQSTYPE_MODIFY_LUN; 951 952 c = DFLT_CMND_CNT; 953 n = DFLT_INOT_CNT; 954 if (IS_FC(isp) && lun != 0) { 955 n = 0; 956 /* 957 * For SCC firmware, we only deal with setting 958 * (enabling or modifying) lun 0. 959 */ 960 ulun = 0; 961 } 962 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq)) { 963 xpt_print_path(ccb->ccb_h.path); 964 isp_prt(isp, ISP_LOGERR, "isp_lun_cmd failed"); 965 goto out; 966 } 967 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) { 968 xpt_print_path(ccb->ccb_h.path); 969 isp_prt(isp, ISP_LOGERR, 970 "wait for MODIFY LUN timed out"); 971 goto out; 972 } 973 rstat = isp->isp_osinfo.rstatus[bus]; 974 if (rstat != LUN_OK) { 975 xpt_print_path(ccb->ccb_h.path); 976 isp_prt(isp, ISP_LOGERR, 977 "MODIFY LUN returned 0x%x", rstat); 978 goto out; 979 } 980 if (IS_FC(isp) && lun) { 981 goto out; 982 } 983 984 seq = isp->isp_osinfo.rollinfo++; 985 986 rstat = LUN_ERR; 987 cmd = -RQSTYPE_ENABLE_LUN; 988 if (isp_lun_cmd(isp, cmd, bus, tgt, lun, 0, 0, seq)) { 989 xpt_print_path(ccb->ccb_h.path); 990 isp_prt(isp, ISP_LOGERR, "isp_lun_cmd failed"); 991 goto out; 992 } 993 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) { 994 xpt_print_path(ccb->ccb_h.path); 995 isp_prt(isp, ISP_LOGERR, 996 "wait for DISABLE LUN timed out"); 997 goto out; 998 } 999 rstat = isp->isp_osinfo.rstatus[bus]; 1000 if (rstat != LUN_OK) { 1001 xpt_print_path(ccb->ccb_h.path); 1002 isp_prt(isp, ISP_LOGWARN, 1003 "DISABLE LUN returned 0x%x", rstat); 1004 goto out; 1005 } 1006 if (are_any_luns_enabled(isp, bus) == 0) { 1007 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av); 1008 if (av) { 1009 isp_prt(isp, ISP_LOGWARN, 1010 "disable target mode on channel %d failed", 1011 bus); 1012 goto out; 1013 } 1014 isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED; 1015 xpt_print_path(ccb->ccb_h.path); 1016 isp_prt(isp, ISP_LOGINFO, 1017 "Target Mode disabled on channel %d", bus); 1018 } 1019 } 1020 1021 out: 1022 isp_vsema_rqe(isp, bus); 1023 1024 if (rstat != LUN_OK) { 1025 xpt_print_path(ccb->ccb_h.path); 1026 isp_prt(isp, ISP_LOGWARN, 1027 "lun %sable failed", (cel->enable) ? "en" : "dis"); 1028 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1029 rls_lun_statep(isp, tptr); 1030 if (cel->enable) 1031 destroy_lun_state(isp, tptr); 1032 } else { 1033 xpt_print_path(ccb->ccb_h.path); 1034 isp_prt(isp, ISP_LOGINFO, lfmt, 1035 (cel->enable) ? "en" : "dis", bus); 1036 rls_lun_statep(isp, tptr); 1037 if (cel->enable == 0) { 1038 destroy_lun_state(isp, tptr); 1039 } 1040 ccb->ccb_h.status = CAM_REQ_CMP; 1041 } 1042 } 1043 1044 static cam_status 1045 isp_abort_tgt_ccb(struct ispsoftc *isp, union ccb *ccb) 1046 { 1047 tstate_t *tptr; 1048 struct ccb_hdr_slist *lp; 1049 struct ccb_hdr *curelm; 1050 int found; 1051 union ccb *accb = ccb->cab.abort_ccb; 1052 1053 if (accb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 1054 if (IS_FC(isp) && (accb->ccb_h.target_id != 1055 ((fcparam *) isp->isp_param)->isp_loopid)) { 1056 return (CAM_PATH_INVALID); 1057 } else if (IS_SCSI(isp) && (accb->ccb_h.target_id != 1058 ((sdparam *) isp->isp_param)->isp_initiator_id)) { 1059 return (CAM_PATH_INVALID); 1060 } 1061 } 1062 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), accb->ccb_h.target_lun); 1063 if (tptr == NULL) { 1064 return (CAM_PATH_INVALID); 1065 } 1066 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 1067 lp = &tptr->atios; 1068 } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 1069 lp = &tptr->inots; 1070 } else { 1071 rls_lun_statep(isp, tptr); 1072 return (CAM_UA_ABORT); 1073 } 1074 curelm = SLIST_FIRST(lp); 1075 found = 0; 1076 if (curelm == &accb->ccb_h) { 1077 found = 1; 1078 SLIST_REMOVE_HEAD(lp, sim_links.sle); 1079 } else { 1080 while(curelm != NULL) { 1081 struct ccb_hdr *nextelm; 1082 1083 nextelm = SLIST_NEXT(curelm, sim_links.sle); 1084 if (nextelm == &accb->ccb_h) { 1085 found = 1; 1086 SLIST_NEXT(curelm, sim_links.sle) = 1087 SLIST_NEXT(nextelm, sim_links.sle); 1088 break; 1089 } 1090 curelm = nextelm; 1091 } 1092 } 1093 rls_lun_statep(isp, tptr); 1094 if (found) { 1095 accb->ccb_h.status = CAM_REQ_ABORTED; 1096 return (CAM_REQ_CMP); 1097 } 1098 return(CAM_PATH_INVALID); 1099 } 1100 1101 static cam_status 1102 isp_target_start_ctio(struct ispsoftc *isp, union ccb *ccb) 1103 { 1104 void *qe; 1105 struct ccb_scsiio *cso = &ccb->csio; 1106 u_int16_t *hp, save_handle; 1107 u_int16_t nxti, optr; 1108 u_int8_t local[QENTRY_LEN]; 1109 1110 1111 if (isp_getrqentry(isp, &nxti, &optr, &qe)) { 1112 xpt_print_path(ccb->ccb_h.path); 1113 printf("Request Queue Overflow in isp_target_start_ctio\n"); 1114 return (CAM_RESRC_UNAVAIL); 1115 } 1116 bzero(local, QENTRY_LEN); 1117 1118 /* 1119 * We're either moving data or completing a command here. 1120 */ 1121 1122 if (IS_FC(isp)) { 1123 atio_private_data_t *atp; 1124 ct2_entry_t *cto = (ct2_entry_t *) local; 1125 1126 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1127 cto->ct_header.rqs_entry_count = 1; 1128 cto->ct_iid = cso->init_id; 1129 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) == 0) { 1130 cto->ct_lun = ccb->ccb_h.target_lun; 1131 } 1132 1133 atp = isp_get_atpd(isp, cso->tag_id); 1134 if (atp == NULL) { 1135 isp_prt(isp, ISP_LOGERR, 1136 "cannot find private data adjunct for tag %x", 1137 cso->tag_id); 1138 return (-1); 1139 } 1140 1141 cto->ct_rxid = cso->tag_id; 1142 if (cso->dxfer_len == 0) { 1143 cto->ct_flags |= CT2_FLAG_MODE1 | CT2_NO_DATA; 1144 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1145 cto->ct_flags |= CT2_SENDSTATUS; 1146 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1147 cto->ct_resid = 1148 atp->orig_datalen - atp->bytes_xfered; 1149 if (cto->ct_resid < 0) { 1150 cto->rsp.m1.ct_scsi_status |= 1151 CT2_DATA_OVER; 1152 } else if (cto->ct_resid > 0) { 1153 cto->rsp.m1.ct_scsi_status |= 1154 CT2_DATA_UNDER; 1155 } 1156 } 1157 if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) { 1158 int m = min(cso->sense_len, MAXRESPLEN); 1159 bcopy(&cso->sense_data, cto->rsp.m1.ct_resp, m); 1160 cto->rsp.m1.ct_senselen = m; 1161 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1162 } 1163 } else { 1164 cto->ct_flags |= CT2_FLAG_MODE0; 1165 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1166 cto->ct_flags |= CT2_DATA_IN; 1167 } else { 1168 cto->ct_flags |= CT2_DATA_OUT; 1169 } 1170 cto->ct_reloff = atp->bytes_xfered; 1171 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 1172 cto->ct_flags |= CT2_SENDSTATUS; 1173 cto->rsp.m0.ct_scsi_status = cso->scsi_status; 1174 cto->ct_resid = 1175 atp->orig_datalen - 1176 (atp->bytes_xfered + cso->dxfer_len); 1177 if (cto->ct_resid < 0) { 1178 cto->rsp.m0.ct_scsi_status |= 1179 CT2_DATA_OVER; 1180 } else if (cto->ct_resid > 0) { 1181 cto->rsp.m0.ct_scsi_status |= 1182 CT2_DATA_UNDER; 1183 } 1184 } else { 1185 atp->last_xframt = cso->dxfer_len; 1186 } 1187 /* 1188 * If we're sending data and status back together, 1189 * we can't also send back sense data as well. 1190 */ 1191 ccb->ccb_h.flags &= ~CAM_SEND_SENSE; 1192 } 1193 1194 if (cto->ct_flags & CT2_SENDSTATUS) { 1195 isp_prt(isp, ISP_LOGTDEBUG0, 1196 "CTIO2[%x] STATUS %x origd %u curd %u resid %u", 1197 cto->ct_rxid, cso->scsi_status, atp->orig_datalen, 1198 cso->dxfer_len, cto->ct_resid); 1199 cto->ct_flags |= CT2_CCINCR; 1200 atp->state = ATPD_STATE_LAST_CTIO; 1201 } else 1202 atp->state = ATPD_STATE_CTIO; 1203 cto->ct_timeout = 10; 1204 hp = &cto->ct_syshandle; 1205 } else { 1206 ct_entry_t *cto = (ct_entry_t *) local; 1207 1208 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO; 1209 cto->ct_header.rqs_entry_count = 1; 1210 cto->ct_iid = cso->init_id; 1211 cto->ct_iid |= XS_CHANNEL(ccb) << 7; 1212 cto->ct_tgt = ccb->ccb_h.target_id; 1213 cto->ct_lun = ccb->ccb_h.target_lun; 1214 cto->ct_fwhandle = AT_GET_HANDLE(cso->tag_id); 1215 if (AT_HAS_TAG(cso->tag_id)) { 1216 cto->ct_tag_val = (u_int8_t) AT_GET_TAG(cso->tag_id); 1217 cto->ct_flags |= CT_TQAE; 1218 } 1219 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 1220 cto->ct_flags |= CT_NODISC; 1221 } 1222 if (cso->dxfer_len == 0) { 1223 cto->ct_flags |= CT_NO_DATA; 1224 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1225 cto->ct_flags |= CT_DATA_IN; 1226 } else { 1227 cto->ct_flags |= CT_DATA_OUT; 1228 } 1229 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1230 cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR; 1231 cto->ct_scsi_status = cso->scsi_status; 1232 cto->ct_resid = cso->resid; 1233 isp_prt(isp, ISP_LOGTDEBUG0, 1234 "CTIO[%x] SCSI STATUS 0x%x resid %d tag_id %x", 1235 cto->ct_fwhandle, cso->scsi_status, cso->resid, 1236 cso->tag_id); 1237 } 1238 ccb->ccb_h.flags &= ~CAM_SEND_SENSE; 1239 cto->ct_timeout = 10; 1240 hp = &cto->ct_syshandle; 1241 } 1242 1243 if (isp_save_xs(isp, (XS_T *)ccb, hp)) { 1244 xpt_print_path(ccb->ccb_h.path); 1245 printf("No XFLIST pointers for isp_target_start_ctio\n"); 1246 return (CAM_RESRC_UNAVAIL); 1247 } 1248 1249 1250 /* 1251 * Call the dma setup routines for this entry (and any subsequent 1252 * CTIOs) if there's data to move, and then tell the f/w it's got 1253 * new things to play with. As with isp_start's usage of DMA setup, 1254 * any swizzling is done in the machine dependent layer. Because 1255 * of this, we put the request onto the queue area first in native 1256 * format. 1257 */ 1258 1259 save_handle = *hp; 1260 1261 switch (ISP_DMASETUP(isp, cso, (ispreq_t *) local, &nxti, optr)) { 1262 case CMD_QUEUED: 1263 ISP_ADD_REQUEST(isp, nxti); 1264 return (CAM_REQ_INPROG); 1265 1266 case CMD_EAGAIN: 1267 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1268 isp_destroy_handle(isp, save_handle); 1269 return (CAM_RESRC_UNAVAIL); 1270 1271 default: 1272 isp_destroy_handle(isp, save_handle); 1273 return (XS_ERR(ccb)); 1274 } 1275 } 1276 1277 static void 1278 isp_refire_putback_atio(void *arg) 1279 { 1280 crit_enter(); 1281 isp_target_putback_atio(arg); 1282 crit_exit(); 1283 } 1284 1285 static void 1286 isp_target_putback_atio(union ccb *ccb) 1287 { 1288 struct ispsoftc *isp; 1289 struct ccb_scsiio *cso; 1290 u_int16_t nxti, optr; 1291 void *qe; 1292 1293 isp = XS_ISP(ccb); 1294 1295 if (isp_getrqentry(isp, &nxti, &optr, &qe)) { 1296 (void) timeout(isp_refire_putback_atio, ccb, 10); 1297 isp_prt(isp, ISP_LOGWARN, 1298 "isp_target_putback_atio: Request Queue Overflow"); 1299 return; 1300 } 1301 bzero(qe, QENTRY_LEN); 1302 cso = &ccb->csio; 1303 if (IS_FC(isp)) { 1304 at2_entry_t local, *at = &local; 1305 MEMZERO(at, sizeof (at2_entry_t)); 1306 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 1307 at->at_header.rqs_entry_count = 1; 1308 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) != 0) { 1309 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 1310 } else { 1311 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 1312 } 1313 at->at_status = CT_OK; 1314 at->at_rxid = cso->tag_id; 1315 at->at_iid = cso->ccb_h.target_id; 1316 isp_put_atio2(isp, at, qe); 1317 } else { 1318 at_entry_t local, *at = &local; 1319 MEMZERO(at, sizeof (at_entry_t)); 1320 at->at_header.rqs_entry_type = RQSTYPE_ATIO; 1321 at->at_header.rqs_entry_count = 1; 1322 at->at_iid = cso->init_id; 1323 at->at_iid |= XS_CHANNEL(ccb) << 7; 1324 at->at_tgt = cso->ccb_h.target_id; 1325 at->at_lun = cso->ccb_h.target_lun; 1326 at->at_status = CT_OK; 1327 at->at_tag_val = AT_GET_TAG(cso->tag_id); 1328 at->at_handle = AT_GET_HANDLE(cso->tag_id); 1329 isp_put_atio(isp, at, qe); 1330 } 1331 ISP_TDQE(isp, "isp_target_putback_atio", (int) optr, qe); 1332 ISP_ADD_REQUEST(isp, nxti); 1333 isp_complete_ctio(ccb); 1334 } 1335 1336 static void 1337 isp_complete_ctio(union ccb *ccb) 1338 { 1339 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1340 ccb->ccb_h.status |= CAM_REQ_CMP; 1341 } 1342 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1343 xpt_done(ccb); 1344 } 1345 1346 /* 1347 * Handle ATIO stuff that the generic code can't. 1348 * This means handling CDBs. 1349 */ 1350 1351 static int 1352 isp_handle_platform_atio(struct ispsoftc *isp, at_entry_t *aep) 1353 { 1354 tstate_t *tptr; 1355 int status, bus, iswildcard; 1356 struct ccb_accept_tio *atiop; 1357 1358 /* 1359 * The firmware status (except for the QLTM_SVALID bit) 1360 * indicates why this ATIO was sent to us. 1361 * 1362 * If QLTM_SVALID is set, the firware has recommended Sense Data. 1363 * 1364 * If the DISCONNECTS DISABLED bit is set in the flags field, 1365 * we're still connected on the SCSI bus. 1366 */ 1367 status = aep->at_status; 1368 if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) { 1369 /* 1370 * Bus Phase Sequence error. We should have sense data 1371 * suggested by the f/w. I'm not sure quite yet what 1372 * to do about this for CAM. 1373 */ 1374 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR"); 1375 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 1376 return (0); 1377 } 1378 if ((status & ~QLTM_SVALID) != AT_CDB) { 1379 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", 1380 status); 1381 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 1382 return (0); 1383 } 1384 1385 bus = GET_BUS_VAL(aep->at_iid); 1386 tptr = get_lun_statep(isp, bus, aep->at_lun); 1387 if (tptr == NULL) { 1388 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 1389 iswildcard = 1; 1390 } else { 1391 iswildcard = 0; 1392 } 1393 1394 if (tptr == NULL) { 1395 /* 1396 * Because we can't autofeed sense data back with 1397 * a command for parallel SCSI, we can't give back 1398 * a CHECK CONDITION. We'll give back a BUSY status 1399 * instead. This works out okay because the only 1400 * time we should, in fact, get this, is in the 1401 * case that somebody configured us without the 1402 * blackhole driver, so they get what they deserve. 1403 */ 1404 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 1405 return (0); 1406 } 1407 1408 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1409 if (atiop == NULL) { 1410 /* 1411 * Because we can't autofeed sense data back with 1412 * a command for parallel SCSI, we can't give back 1413 * a CHECK CONDITION. We'll give back a QUEUE FULL status 1414 * instead. This works out okay because the only time we 1415 * should, in fact, get this, is in the case that we've 1416 * run out of ATIOS. 1417 */ 1418 xpt_print_path(tptr->owner); 1419 isp_prt(isp, ISP_LOGWARN, 1420 "no ATIOS for lun %d from initiator %d on channel %d", 1421 aep->at_lun, GET_IID_VAL(aep->at_iid), bus); 1422 if (aep->at_flags & AT_TQAE) 1423 isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0); 1424 else 1425 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 1426 rls_lun_statep(isp, tptr); 1427 return (0); 1428 } 1429 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1430 if (iswildcard) { 1431 atiop->ccb_h.target_id = aep->at_tgt; 1432 atiop->ccb_h.target_lun = aep->at_lun; 1433 } 1434 if (aep->at_flags & AT_NODISC) { 1435 atiop->ccb_h.flags = CAM_DIS_DISCONNECT; 1436 } else { 1437 atiop->ccb_h.flags = 0; 1438 } 1439 1440 if (status & QLTM_SVALID) { 1441 size_t amt = imin(QLTM_SENSELEN, sizeof (atiop->sense_data)); 1442 atiop->sense_len = amt; 1443 MEMCPY(&atiop->sense_data, aep->at_sense, amt); 1444 } else { 1445 atiop->sense_len = 0; 1446 } 1447 1448 atiop->init_id = GET_IID_VAL(aep->at_iid); 1449 atiop->cdb_len = aep->at_cdblen; 1450 MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen); 1451 atiop->ccb_h.status = CAM_CDB_RECVD; 1452 /* 1453 * Construct a tag 'id' based upon tag value (which may be 0..255) 1454 * and the handle (which we have to preserve). 1455 */ 1456 AT_MAKE_TAGID(atiop->tag_id, aep); 1457 if (aep->at_flags & AT_TQAE) { 1458 atiop->tag_action = aep->at_tag_type; 1459 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID; 1460 } 1461 xpt_done((union ccb*)atiop); 1462 isp_prt(isp, ISP_LOGTDEBUG0, 1463 "ATIO[%x] CDB=0x%x bus %d iid%d->lun%d tag 0x%x ttype 0x%x %s", 1464 aep->at_handle, aep->at_cdb[0] & 0xff, GET_BUS_VAL(aep->at_iid), 1465 GET_IID_VAL(aep->at_iid), aep->at_lun, aep->at_tag_val & 0xff, 1466 aep->at_tag_type, (aep->at_flags & AT_NODISC)? 1467 "nondisc" : "disconnecting"); 1468 rls_lun_statep(isp, tptr); 1469 return (0); 1470 } 1471 1472 static int 1473 isp_handle_platform_atio2(struct ispsoftc *isp, at2_entry_t *aep) 1474 { 1475 lun_id_t lun; 1476 tstate_t *tptr; 1477 struct ccb_accept_tio *atiop; 1478 atio_private_data_t *atp; 1479 1480 /* 1481 * The firmware status (except for the QLTM_SVALID bit) 1482 * indicates why this ATIO was sent to us. 1483 * 1484 * If QLTM_SVALID is set, the firware has recommended Sense Data. 1485 */ 1486 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 1487 isp_prt(isp, ISP_LOGWARN, 1488 "bogus atio (0x%x) leaked to platform", aep->at_status); 1489 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 1490 return (0); 1491 } 1492 1493 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) != 0) { 1494 lun = aep->at_scclun; 1495 } else { 1496 lun = aep->at_lun; 1497 } 1498 tptr = get_lun_statep(isp, 0, lun); 1499 if (tptr == NULL) { 1500 isp_prt(isp, ISP_LOGWARN, "no state pointer for lun %d", lun); 1501 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 1502 } 1503 1504 if (tptr == NULL) { 1505 /* 1506 * What we'd like to know is whether or not we have a listener 1507 * upstream that really hasn't configured yet. If we do, then 1508 * we can give a more sensible reply here. If not, then we can 1509 * reject this out of hand. 1510 * 1511 * Choices for what to send were 1512 * 1513 * Not Ready, Unit Not Self-Configured Yet 1514 * (0x2,0x3e,0x00) 1515 * 1516 * for the former and 1517 * 1518 * Illegal Request, Logical Unit Not Supported 1519 * (0x5,0x25,0x00) 1520 * 1521 * for the latter. 1522 * 1523 * We used to decide whether there was at least one listener 1524 * based upon whether the black hole driver was configured. 1525 * However, recent config(8) changes have made this hard to do 1526 * at this time. 1527 * 1528 */ 1529 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 1530 return (0); 1531 } 1532 1533 atp = isp_get_atpd(isp, 0); 1534 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1535 if (atiop == NULL || atp == NULL) { 1536 /* 1537 * Because we can't autofeed sense data back with 1538 * a command for parallel SCSI, we can't give back 1539 * a CHECK CONDITION. We'll give back a QUEUE FULL status 1540 * instead. This works out okay because the only time we 1541 * should, in fact, get this, is in the case that we've 1542 * run out of ATIOS. 1543 */ 1544 xpt_print_path(tptr->owner); 1545 isp_prt(isp, ISP_LOGWARN, 1546 "no %s for lun %d from initiator %d", 1547 (atp == NULL && atiop == NULL)? "ATIO2s *or* ATPS" : 1548 ((atp == NULL)? "ATPs" : "ATIO2s"), lun, aep->at_iid); 1549 rls_lun_statep(isp, tptr); 1550 isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0); 1551 return (0); 1552 } 1553 atp->state = ATPD_STATE_ATIO; 1554 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1555 tptr->atio_count--; 1556 isp_prt(isp, ISP_LOGTDEBUG0, "Take FREE ATIO2 lun %d, count now %d", 1557 lun, tptr->atio_count); 1558 1559 if (tptr == &isp->isp_osinfo.tsdflt[0]) { 1560 atiop->ccb_h.target_id = 1561 ((fcparam *)isp->isp_param)->isp_loopid; 1562 atiop->ccb_h.target_lun = lun; 1563 } 1564 /* 1565 * We don't get 'suggested' sense data as we do with SCSI cards. 1566 */ 1567 atiop->sense_len = 0; 1568 1569 atiop->init_id = aep->at_iid; 1570 atiop->cdb_len = ATIO2_CDBLEN; 1571 MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 1572 atiop->ccb_h.status = CAM_CDB_RECVD; 1573 atiop->tag_id = aep->at_rxid; 1574 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 1575 case ATIO2_TC_ATTR_SIMPLEQ: 1576 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1577 break; 1578 case ATIO2_TC_ATTR_HEADOFQ: 1579 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1580 break; 1581 case ATIO2_TC_ATTR_ORDERED: 1582 atiop->tag_action = MSG_ORDERED_Q_TAG; 1583 break; 1584 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 1585 case ATIO2_TC_ATTR_UNTAGGED: 1586 default: 1587 atiop->tag_action = 0; 1588 break; 1589 } 1590 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID; 1591 1592 atp->tag = atiop->tag_id; 1593 atp->lun = lun; 1594 atp->orig_datalen = aep->at_datalen; 1595 atp->last_xframt = 0; 1596 atp->bytes_xfered = 0; 1597 atp->state = ATPD_STATE_CAM; 1598 xpt_done((union ccb*)atiop); 1599 1600 isp_prt(isp, ISP_LOGTDEBUG0, 1601 "ATIO2[%x] CDB=0x%x iid%d->lun%d tattr 0x%x datalen %u", 1602 aep->at_rxid, aep->at_cdb[0] & 0xff, aep->at_iid, 1603 lun, aep->at_taskflags, aep->at_datalen); 1604 rls_lun_statep(isp, tptr); 1605 return (0); 1606 } 1607 1608 static int 1609 isp_handle_platform_ctio(struct ispsoftc *isp, void *arg) 1610 { 1611 union ccb *ccb; 1612 int sentstatus, ok, notify_cam, resid = 0; 1613 u_int16_t tval; 1614 1615 /* 1616 * CTIO and CTIO2 are close enough.... 1617 */ 1618 1619 ccb = (union ccb *) isp_find_xs(isp, ((ct_entry_t *)arg)->ct_syshandle); 1620 KASSERT((ccb != NULL), ("null ccb in isp_handle_platform_ctio")); 1621 isp_destroy_handle(isp, ((ct_entry_t *)arg)->ct_syshandle); 1622 1623 if (IS_FC(isp)) { 1624 ct2_entry_t *ct = arg; 1625 atio_private_data_t *atp = isp_get_atpd(isp, ct->ct_rxid); 1626 if (atp == NULL) { 1627 isp_prt(isp, ISP_LOGERR, 1628 "cannot find adjunct for %x after I/O", 1629 ct->ct_rxid); 1630 return (0); 1631 } 1632 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 1633 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 1634 if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) { 1635 ccb->ccb_h.status |= CAM_SENT_SENSE; 1636 } 1637 notify_cam = ct->ct_header.rqs_seqno & 0x1; 1638 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) { 1639 resid = ct->ct_resid; 1640 atp->bytes_xfered += (atp->last_xframt - resid); 1641 atp->last_xframt = 0; 1642 } 1643 if (sentstatus || !ok) { 1644 atp->tag = 0; 1645 } 1646 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, 1647 "CTIO2[%x] sts 0x%x flg 0x%x sns %d resid %d %s", 1648 ct->ct_rxid, ct->ct_status, ct->ct_flags, 1649 (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, 1650 resid, sentstatus? "FIN" : "MID"); 1651 tval = ct->ct_rxid; 1652 1653 /* XXX: should really come after isp_complete_ctio */ 1654 atp->state = ATPD_STATE_PDON; 1655 } else { 1656 ct_entry_t *ct = arg; 1657 sentstatus = ct->ct_flags & CT_SENDSTATUS; 1658 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 1659 /* 1660 * We *ought* to be able to get back to the original ATIO 1661 * here, but for some reason this gets lost. It's just as 1662 * well because it's squirrelled away as part of periph 1663 * private data. 1664 * 1665 * We can live without it as long as we continue to use 1666 * the auto-replenish feature for CTIOs. 1667 */ 1668 notify_cam = ct->ct_header.rqs_seqno & 0x1; 1669 if (ct->ct_status & QLTM_SVALID) { 1670 char *sp = (char *)ct; 1671 sp += CTIO_SENSE_OFFSET; 1672 ccb->csio.sense_len = 1673 min(sizeof (ccb->csio.sense_data), QLTM_SENSELEN); 1674 MEMCPY(&ccb->csio.sense_data, sp, ccb->csio.sense_len); 1675 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 1676 } 1677 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) { 1678 resid = ct->ct_resid; 1679 } 1680 isp_prt(isp, ISP_LOGTDEBUG0, 1681 "CTIO[%x] tag %x iid %d lun %d sts %x flg %x resid %d %s", 1682 ct->ct_fwhandle, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, 1683 ct->ct_status, ct->ct_flags, resid, 1684 sentstatus? "FIN" : "MID"); 1685 tval = ct->ct_fwhandle; 1686 } 1687 ccb->csio.resid += resid; 1688 1689 /* 1690 * We're here either because intermediate data transfers are done 1691 * and/or the final status CTIO (which may have joined with a 1692 * Data Transfer) is done. 1693 * 1694 * In any case, for this platform, the upper layers figure out 1695 * what to do next, so all we do here is collect status and 1696 * pass information along. Any DMA handles have already been 1697 * freed. 1698 */ 1699 if (notify_cam == 0) { 1700 isp_prt(isp, ISP_LOGTDEBUG0, " INTER CTIO[0x%x] done", tval); 1701 return (0); 1702 } 1703 1704 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done", 1705 (sentstatus)? " FINAL " : "MIDTERM ", tval); 1706 1707 if (!ok) { 1708 isp_target_putback_atio(ccb); 1709 } else { 1710 isp_complete_ctio(ccb); 1711 1712 } 1713 return (0); 1714 } 1715 1716 static int 1717 isp_handle_platform_notify_scsi(struct ispsoftc *isp, in_entry_t *inp) 1718 { 1719 return (0); /* XXXX */ 1720 } 1721 1722 static int 1723 isp_handle_platform_notify_fc(struct ispsoftc *isp, in_fcentry_t *inp) 1724 { 1725 1726 switch (inp->in_status) { 1727 case IN_PORT_LOGOUT: 1728 isp_prt(isp, ISP_LOGWARN, "port logout of iid %d", 1729 inp->in_iid); 1730 break; 1731 case IN_PORT_CHANGED: 1732 isp_prt(isp, ISP_LOGWARN, "port changed for iid %d", 1733 inp->in_iid); 1734 break; 1735 case IN_GLOBAL_LOGO: 1736 isp_prt(isp, ISP_LOGINFO, "all ports logged out"); 1737 break; 1738 case IN_ABORT_TASK: 1739 { 1740 atio_private_data_t *atp = isp_get_atpd(isp, inp->in_seqid); 1741 struct ccb_immed_notify *inot = NULL; 1742 1743 if (atp) { 1744 tstate_t *tptr = get_lun_statep(isp, 0, atp->lun); 1745 if (tptr) { 1746 inot = (struct ccb_immed_notify *) 1747 SLIST_FIRST(&tptr->inots); 1748 if (inot) { 1749 SLIST_REMOVE_HEAD(&tptr->inots, 1750 sim_links.sle); 1751 } 1752 } 1753 isp_prt(isp, ISP_LOGWARN, 1754 "abort task RX_ID %x IID %d state %d", 1755 inp->in_seqid, inp->in_iid, atp->state); 1756 } else { 1757 isp_prt(isp, ISP_LOGWARN, 1758 "abort task RX_ID %x from iid %d, state unknown", 1759 inp->in_seqid, inp->in_iid); 1760 } 1761 if (inot) { 1762 inot->initiator_id = inp->in_iid; 1763 inot->sense_len = 0; 1764 inot->message_args[0] = MSG_ABORT_TAG; 1765 inot->message_args[1] = inp->in_seqid & 0xff; 1766 inot->message_args[2] = (inp->in_seqid >> 8) & 0xff; 1767 inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN; 1768 xpt_done((union ccb *)inot); 1769 } 1770 break; 1771 } 1772 default: 1773 break; 1774 } 1775 return (0); 1776 } 1777 #endif 1778 1779 static void 1780 isp_cam_async(void *cbarg, u_int32_t code, struct cam_path *path, void *arg) 1781 { 1782 struct cam_sim *sim; 1783 struct ispsoftc *isp; 1784 1785 sim = (struct cam_sim *)cbarg; 1786 isp = (struct ispsoftc *) cam_sim_softc(sim); 1787 switch (code) { 1788 case AC_LOST_DEVICE: 1789 if (IS_SCSI(isp)) { 1790 u_int16_t oflags, nflags; 1791 sdparam *sdp = isp->isp_param; 1792 int tgt; 1793 1794 tgt = xpt_path_target_id(path); 1795 if (tgt >= 0) { 1796 sdp += cam_sim_bus(sim); 1797 ISP_LOCK(isp); 1798 nflags = sdp->isp_devparam[tgt].nvrm_flags; 1799 #ifndef ISP_TARGET_MODE 1800 nflags &= DPARM_SAFE_DFLT; 1801 if (isp->isp_loaded_fw) { 1802 nflags |= DPARM_NARROW | DPARM_ASYNC; 1803 } 1804 #else 1805 nflags = DPARM_DEFAULT; 1806 #endif 1807 oflags = sdp->isp_devparam[tgt].goal_flags; 1808 sdp->isp_devparam[tgt].goal_flags = nflags; 1809 sdp->isp_devparam[tgt].dev_update = 1; 1810 isp->isp_update |= (1 << cam_sim_bus(sim)); 1811 (void) isp_control(isp, 1812 ISPCTL_UPDATE_PARAMS, NULL); 1813 sdp->isp_devparam[tgt].goal_flags = oflags; 1814 ISP_UNLOCK(isp); 1815 } 1816 } 1817 break; 1818 default: 1819 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 1820 break; 1821 } 1822 } 1823 1824 static void 1825 isp_poll(struct cam_sim *sim) 1826 { 1827 struct ispsoftc *isp = cam_sim_softc(sim); 1828 u_int16_t isr, sema, mbox; 1829 1830 ISP_LOCK(isp); 1831 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 1832 isp_intr(isp, isr, sema, mbox); 1833 } 1834 ISP_UNLOCK(isp); 1835 } 1836 1837 1838 static void 1839 isp_watchdog(void *arg) 1840 { 1841 XS_T *xs = arg; 1842 struct ispsoftc *isp = XS_ISP(xs); 1843 u_int32_t handle; 1844 int iok; 1845 1846 /* 1847 * We've decided this command is dead. Make sure we're not trying 1848 * to kill a command that's already dead by getting it's handle and 1849 * and seeing whether it's still alive. 1850 */ 1851 ISP_LOCK(isp); 1852 iok = isp->isp_osinfo.intsok; 1853 isp->isp_osinfo.intsok = 0; 1854 handle = isp_find_handle(isp, xs); 1855 if (handle) { 1856 u_int16_t isr, sema, mbox; 1857 1858 if (XS_CMD_DONE_P(xs)) { 1859 isp_prt(isp, ISP_LOGDEBUG1, 1860 "watchdog found done cmd (handle 0x%x)", handle); 1861 ISP_UNLOCK(isp); 1862 return; 1863 } 1864 1865 if (XS_CMD_WDOG_P(xs)) { 1866 isp_prt(isp, ISP_LOGDEBUG2, 1867 "recursive watchdog (handle 0x%x)", handle); 1868 ISP_UNLOCK(isp); 1869 return; 1870 } 1871 1872 XS_CMD_S_WDOG(xs); 1873 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 1874 isp_intr(isp, isr, sema, mbox); 1875 } 1876 if (XS_CMD_DONE_P(xs)) { 1877 isp_prt(isp, ISP_LOGDEBUG2, 1878 "watchdog cleanup for handle 0x%x", handle); 1879 xpt_done((union ccb *) xs); 1880 } else if (XS_CMD_GRACE_P(xs)) { 1881 /* 1882 * Make sure the command is *really* dead before we 1883 * release the handle (and DMA resources) for reuse. 1884 */ 1885 (void) isp_control(isp, ISPCTL_ABORT_CMD, arg); 1886 1887 /* 1888 * After this point, the comamnd is really dead. 1889 */ 1890 if (XS_XFRLEN(xs)) { 1891 ISP_DMAFREE(isp, xs, handle); 1892 } 1893 isp_destroy_handle(isp, handle); 1894 xpt_print_path(xs->ccb_h.path); 1895 isp_prt(isp, ISP_LOGWARN, 1896 "watchdog timeout for handle 0x%x", handle); 1897 XS_SETERR(xs, CAM_CMD_TIMEOUT); 1898 XS_CMD_C_WDOG(xs); 1899 isp_done(xs); 1900 } else { 1901 u_int16_t nxti, optr; 1902 ispreq_t local, *mp= &local, *qe; 1903 1904 XS_CMD_C_WDOG(xs); 1905 callout_reset(&xs->ccb_h.timeout_ch, hz, 1906 isp_watchdog, xs); 1907 if (isp_getrqentry(isp, &nxti, &optr, (void **) &qe)) { 1908 ISP_UNLOCK(isp); 1909 return; 1910 } 1911 XS_CMD_S_GRACE(xs); 1912 MEMZERO((void *) mp, sizeof (*mp)); 1913 mp->req_header.rqs_entry_count = 1; 1914 mp->req_header.rqs_entry_type = RQSTYPE_MARKER; 1915 mp->req_modifier = SYNC_ALL; 1916 mp->req_target = XS_CHANNEL(xs) << 7; 1917 isp_put_request(isp, mp, qe); 1918 ISP_ADD_REQUEST(isp, nxti); 1919 } 1920 } else { 1921 isp_prt(isp, ISP_LOGDEBUG2, "watchdog with no command"); 1922 } 1923 isp->isp_osinfo.intsok = iok; 1924 ISP_UNLOCK(isp); 1925 } 1926 1927 static void 1928 isp_kthread(void *arg) 1929 { 1930 struct ispsoftc *isp = arg; 1931 1932 crit_enter(); 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