1 /*- 2 * Copyright (c) 1997-2009 by Matthew Jacob 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice immediately at the beginning of the file, without modification, 10 * this list of conditions, and the following disclaimer. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 /* 28 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters. 29 */ 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <dev/isp/isp_freebsd.h> 34 #include <sys/unistd.h> 35 #include <sys/kthread.h> 36 #include <sys/conf.h> 37 #include <sys/module.h> 38 #include <sys/ioccom.h> 39 #include <dev/isp/isp_ioctl.h> 40 #include <sys/devicestat.h> 41 #include <cam/cam_periph.h> 42 #include <cam/cam_xpt_periph.h> 43 44 #if __FreeBSD_version < 800002 45 #define THREAD_CREATE kthread_create 46 #else 47 #define THREAD_CREATE kproc_create 48 #endif 49 50 MODULE_VERSION(isp, 1); 51 MODULE_DEPEND(isp, cam, 1, 1, 1); 52 int isp_announced = 0; 53 int isp_fabric_hysteresis = 5; 54 int isp_loop_down_limit = 60; /* default loop down limit */ 55 int isp_change_is_bad = 0; /* "changed" devices are bad */ 56 int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */ 57 int isp_gone_device_time = 30; /* grace time before reporting device lost */ 58 int isp_autoconfig = 1; /* automatically attach/detach devices */ 59 static const char prom3[] = "Chan %d PortID 0x%06x Departed from Target %u because of %s"; 60 61 static void isp_freeze_loopdown(ispsoftc_t *, int, char *); 62 static d_ioctl_t ispioctl; 63 static void isp_intr_enable(void *); 64 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *); 65 static void isp_poll(struct cam_sim *); 66 static timeout_t isp_watchdog; 67 static timeout_t isp_gdt; 68 static task_fn_t isp_gdt_task; 69 static timeout_t isp_ldt; 70 static task_fn_t isp_ldt_task; 71 static void isp_kthread(void *); 72 static void isp_action(struct cam_sim *, union ccb *); 73 #ifdef ISP_INTERNAL_TARGET 74 static void isp_target_thread_pi(void *); 75 static void isp_target_thread_fc(void *); 76 #endif 77 static int isp_timer_count; 78 static void isp_timer(void *); 79 80 static struct cdevsw isp_cdevsw = { 81 .d_version = D_VERSION, 82 .d_ioctl = ispioctl, 83 .d_name = "isp", 84 }; 85 86 static int 87 isp_role_sysctl(SYSCTL_HANDLER_ARGS) 88 { 89 ispsoftc_t *isp = (ispsoftc_t *)arg1; 90 int chan = arg2; 91 int error, old, value; 92 93 value = FCPARAM(isp, chan)->role; 94 95 error = sysctl_handle_int(oidp, &value, 0, req); 96 if ((error != 0) || (req->newptr == NULL)) 97 return (error); 98 99 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 100 return (EINVAL); 101 102 ISP_LOCK(isp); 103 old = FCPARAM(isp, chan)->role; 104 105 /* If nothing has changed -- we are done. */ 106 if (value == old) { 107 ISP_UNLOCK(isp); 108 return (0); 109 } 110 111 /* We don't allow target mode switch from here. */ 112 if ((value ^ old) & ISP_ROLE_TARGET) { 113 ISP_UNLOCK(isp); 114 return (EPERM); 115 } 116 117 /* Actually change the role. */ 118 error = isp_fc_change_role(isp, chan, value); 119 ISP_UNLOCK(isp); 120 return (error); 121 } 122 123 static int 124 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 125 { 126 struct ccb_setasync csa; 127 struct cam_sim *sim; 128 struct cam_path *path; 129 130 /* 131 * Construct our SIM entry. 132 */ 133 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, device_get_unit(isp->isp_dev), &isp->isp_osinfo.lock, isp->isp_maxcmds, isp->isp_maxcmds, devq); 134 135 if (sim == NULL) { 136 return (ENOMEM); 137 } 138 139 ISP_LOCK(isp); 140 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 141 ISP_UNLOCK(isp); 142 cam_sim_free(sim, FALSE); 143 return (EIO); 144 } 145 ISP_UNLOCK(isp); 146 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 147 ISP_LOCK(isp); 148 xpt_bus_deregister(cam_sim_path(sim)); 149 ISP_UNLOCK(isp); 150 cam_sim_free(sim, FALSE); 151 return (ENXIO); 152 } 153 xpt_setup_ccb(&csa.ccb_h, path, 5); 154 csa.ccb_h.func_code = XPT_SASYNC_CB; 155 csa.event_enable = AC_LOST_DEVICE; 156 csa.callback = isp_cam_async; 157 csa.callback_arg = sim; 158 159 ISP_LOCK(isp); 160 xpt_action((union ccb *)&csa); 161 ISP_UNLOCK(isp); 162 163 if (IS_SCSI(isp)) { 164 struct isp_spi *spi = ISP_SPI_PC(isp, chan); 165 spi->sim = sim; 166 spi->path = path; 167 #ifdef ISP_INTERNAL_TARGET 168 ISP_SET_PC(isp, chan, proc_active, 1); 169 if (THREAD_CREATE(isp_target_thread_pi, spi, &spi->target_proc, 0, 0, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 170 ISP_SET_PC(isp, chan, proc_active, 0); 171 isp_prt(isp, ISP_LOGERR, "cannot create test target thread"); 172 } 173 ISP_SPI_PC(isp, chan)->num_threads += 1; 174 #endif 175 } else { 176 fcparam *fcp = FCPARAM(isp, chan); 177 struct isp_fc *fc = ISP_FC_PC(isp, chan); 178 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 179 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 180 char name[16]; 181 182 ISP_LOCK(isp); 183 fc->sim = sim; 184 fc->path = path; 185 fc->isp = isp; 186 fc->ready = 1; 187 188 callout_init_mtx(&fc->ldt, &isp->isp_osinfo.lock, 0); 189 callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0); 190 TASK_INIT(&fc->ltask, 1, isp_ldt_task, fc); 191 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 192 193 /* 194 * We start by being "loop down" if we have an initiator role 195 */ 196 if (fcp->role & ISP_ROLE_INITIATOR) { 197 isp_freeze_loopdown(isp, chan, "isp_attach"); 198 callout_reset(&fc->ldt, isp_quickboot_time * hz, isp_ldt, fc); 199 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Initial Loop Down Timer @ %lu", (unsigned long) time_uptime); 200 } 201 ISP_UNLOCK(isp); 202 if (THREAD_CREATE(isp_kthread, fc, &fc->kproc, 0, 0, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 203 xpt_free_path(fc->path); 204 ISP_LOCK(isp); 205 if (callout_active(&fc->ldt)) 206 callout_stop(&fc->ldt); 207 xpt_bus_deregister(cam_sim_path(fc->sim)); 208 ISP_UNLOCK(isp); 209 cam_sim_free(fc->sim, FALSE); 210 return (ENOMEM); 211 } 212 ISP_FC_PC(isp, chan)->num_threads += 1; 213 #ifdef ISP_INTERNAL_TARGET 214 ISP_SET_PC(isp, chan, proc_active, 1); 215 if (THREAD_CREATE(isp_target_thread_fc, fc, &fc->target_proc, 0, 0, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 216 ISP_SET_PC(isp, chan, proc_active, 0); 217 isp_prt(isp, ISP_LOGERR, "cannot create test target thread"); 218 } 219 ISP_FC_PC(isp, chan)->num_threads += 1; 220 #endif 221 if (chan > 0) { 222 snprintf(name, sizeof(name), "chan%d", chan); 223 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 224 OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel"); 225 } 226 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwnn", CTLFLAG_RD, &FCPARAM(isp, chan)->isp_wwnn, "World Wide Node Name"); 227 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwpn", CTLFLAG_RD, &FCPARAM(isp, chan)->isp_wwpn, "World Wide Port Name"); 228 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "loop_down_limit", CTLFLAG_RW, &ISP_FC_PC(isp, chan)->loop_down_limit, 0, "Loop Down Limit"); 229 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "gone_device_time", CTLFLAG_RW, &ISP_FC_PC(isp, chan)->gone_device_time, 0, "Gone Device Time"); 230 #if defined(ISP_TARGET_MODE) && defined(DEBUG) 231 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "inject_lost_data_frame", CTLFLAG_RW, &ISP_FC_PC(isp, chan)->inject_lost_data_frame, 0, "Cause a Lost Frame on a Read"); 232 #endif 233 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 234 "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan, 235 isp_role_sysctl, "I", "Current role"); 236 } 237 return (0); 238 } 239 240 static void 241 isp_detach_internal_target(ispsoftc_t *isp, int chan) 242 { 243 #ifdef ISP_INTERNAL_TARGET 244 void *wchan; 245 246 ISP_GET_PC(isp, chan, target_proc, wchan); 247 ISP_SET_PC(isp, chan, proc_active, 0); 248 wakeup(wchan); 249 #endif 250 } 251 252 static void 253 isp_detach_chan(ispsoftc_t *isp, int chan) 254 { 255 struct cam_sim *sim; 256 struct cam_path *path; 257 struct ccb_setasync csa; 258 int *num_threads; 259 260 ISP_GET_PC(isp, chan, sim, sim); 261 ISP_GET_PC(isp, chan, path, path); 262 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 263 264 xpt_setup_ccb(&csa.ccb_h, path, 5); 265 csa.ccb_h.func_code = XPT_SASYNC_CB; 266 csa.event_enable = 0; 267 csa.callback = isp_cam_async; 268 csa.callback_arg = sim; 269 xpt_action((union ccb *)&csa); 270 xpt_free_path(path); 271 xpt_bus_deregister(cam_sim_path(sim)); 272 cam_sim_free(sim, FALSE); 273 274 /* Wait for the channel's spawned threads to exit. */ 275 wakeup(isp->isp_osinfo.pc.ptr); 276 isp_detach_internal_target(isp, chan); 277 while (*num_threads != 0) 278 mtx_sleep(isp, &isp->isp_osinfo.lock, PRIBIO, "isp_reap", 100); 279 } 280 281 int 282 isp_attach(ispsoftc_t *isp) 283 { 284 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 285 int du = device_get_unit(isp->isp_dev); 286 int chan; 287 288 isp->isp_osinfo.ehook.ich_func = isp_intr_enable; 289 isp->isp_osinfo.ehook.ich_arg = isp; 290 /* 291 * Haha. Set this first, because if we're loaded as a module isp_intr_enable 292 * will be called right awawy, which will clear isp_osinfo.ehook_active, 293 * which would be unwise to then set again later. 294 */ 295 isp->isp_osinfo.ehook_active = 1; 296 if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) { 297 isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook"); 298 return (-EIO); 299 } 300 301 /* 302 * Create the device queue for our SIM(s). 303 */ 304 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 305 if (isp->isp_osinfo.devq == NULL) { 306 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 307 return (EIO); 308 } 309 310 for (chan = 0; chan < isp->isp_nchan; chan++) { 311 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 312 goto unwind; 313 } 314 } 315 316 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0); 317 isp_timer_count = hz >> 2; 318 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 319 isp->isp_osinfo.timer_active = 1; 320 321 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 322 if (isp->isp_osinfo.cdev) { 323 isp->isp_osinfo.cdev->si_drv1 = isp; 324 } 325 return (0); 326 327 unwind: 328 while (--chan >= 0) { 329 struct cam_sim *sim; 330 struct cam_path *path; 331 332 ISP_GET_PC(isp, chan, sim, sim); 333 ISP_GET_PC(isp, chan, path, path); 334 xpt_free_path(path); 335 ISP_LOCK(isp); 336 xpt_bus_deregister(cam_sim_path(sim)); 337 ISP_UNLOCK(isp); 338 cam_sim_free(sim, FALSE); 339 } 340 if (isp->isp_osinfo.ehook_active) { 341 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 342 isp->isp_osinfo.ehook_active = 0; 343 } 344 if (isp->isp_osinfo.cdev) { 345 destroy_dev(isp->isp_osinfo.cdev); 346 isp->isp_osinfo.cdev = NULL; 347 } 348 cam_simq_free(isp->isp_osinfo.devq); 349 isp->isp_osinfo.devq = NULL; 350 return (-1); 351 } 352 353 int 354 isp_detach(ispsoftc_t *isp) 355 { 356 struct cam_sim *sim; 357 int chan; 358 359 ISP_LOCK(isp); 360 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) { 361 ISP_GET_PC(isp, chan, sim, sim); 362 if (sim->refcount > 2) { 363 ISP_UNLOCK(isp); 364 return (EBUSY); 365 } 366 } 367 /* Tell spawned threads that we're exiting. */ 368 isp->isp_osinfo.is_exiting = 1; 369 if (isp->isp_osinfo.timer_active) { 370 callout_stop(&isp->isp_osinfo.tmo); 371 isp->isp_osinfo.timer_active = 0; 372 } 373 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 374 isp_detach_chan(isp, chan); 375 ISP_UNLOCK(isp); 376 377 if (isp->isp_osinfo.cdev) { 378 destroy_dev(isp->isp_osinfo.cdev); 379 isp->isp_osinfo.cdev = NULL; 380 } 381 if (isp->isp_osinfo.ehook_active) { 382 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 383 isp->isp_osinfo.ehook_active = 0; 384 } 385 if (isp->isp_osinfo.devq != NULL) { 386 cam_simq_free(isp->isp_osinfo.devq); 387 isp->isp_osinfo.devq = NULL; 388 } 389 return (0); 390 } 391 392 static void 393 isp_freeze_loopdown(ispsoftc_t *isp, int chan, char *msg) 394 { 395 if (IS_FC(isp)) { 396 struct isp_fc *fc = ISP_FC_PC(isp, chan); 397 if (fc->simqfrozen == 0) { 398 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown) chan %d", msg, chan); 399 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 400 xpt_freeze_simq(fc->sim, 1); 401 } else { 402 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown) chan %d", msg, chan); 403 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 404 } 405 } 406 } 407 408 static void 409 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 410 { 411 if (IS_FC(isp)) { 412 struct isp_fc *fc = ISP_FC_PC(isp, chan); 413 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 414 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 415 if (wasfrozen && fc->simqfrozen == 0) { 416 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d releasing simq", __func__, chan); 417 xpt_release_simq(fc->sim, 1); 418 } 419 } 420 } 421 422 423 static int 424 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 425 { 426 ispsoftc_t *isp; 427 int nr, chan, retval = ENOTTY; 428 429 isp = dev->si_drv1; 430 431 switch (c) { 432 case ISP_SDBLEV: 433 { 434 int olddblev = isp->isp_dblev; 435 isp->isp_dblev = *(int *)addr; 436 *(int *)addr = olddblev; 437 retval = 0; 438 break; 439 } 440 case ISP_GETROLE: 441 chan = *(int *)addr; 442 if (chan < 0 || chan >= isp->isp_nchan) { 443 retval = -ENXIO; 444 break; 445 } 446 if (IS_FC(isp)) { 447 *(int *)addr = FCPARAM(isp, chan)->role; 448 } else { 449 *(int *)addr = SDPARAM(isp, chan)->role; 450 } 451 retval = 0; 452 break; 453 case ISP_SETROLE: 454 nr = *(int *)addr; 455 chan = nr >> 8; 456 if (chan < 0 || chan >= isp->isp_nchan) { 457 retval = -ENXIO; 458 break; 459 } 460 nr &= 0xff; 461 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 462 retval = EINVAL; 463 break; 464 } 465 if (IS_FC(isp)) { 466 /* 467 * We don't really support dual role at present on FC cards. 468 * 469 * We should, but a bunch of things are currently broken, 470 * so don't allow it. 471 */ 472 if (nr == ISP_ROLE_BOTH) { 473 isp_prt(isp, ISP_LOGERR, "cannot support dual role at present"); 474 retval = EINVAL; 475 break; 476 } 477 *(int *)addr = FCPARAM(isp, chan)->role; 478 #ifdef ISP_INTERNAL_TARGET 479 ISP_LOCK(isp); 480 retval = isp_fc_change_role(isp, chan, nr); 481 ISP_UNLOCK(isp); 482 #else 483 FCPARAM(isp, chan)->role = nr; 484 #endif 485 } else { 486 *(int *)addr = SDPARAM(isp, chan)->role; 487 SDPARAM(isp, chan)->role = nr; 488 } 489 retval = 0; 490 break; 491 492 case ISP_RESETHBA: 493 ISP_LOCK(isp); 494 #ifdef ISP_TARGET_MODE 495 isp_del_all_wwn_entries(isp, ISP_NOCHAN); 496 #endif 497 isp_reinit(isp, 0); 498 ISP_UNLOCK(isp); 499 retval = 0; 500 break; 501 502 case ISP_RESCAN: 503 if (IS_FC(isp)) { 504 chan = *(int *)addr; 505 if (chan < 0 || chan >= isp->isp_nchan) { 506 retval = -ENXIO; 507 break; 508 } 509 ISP_LOCK(isp); 510 if (isp_fc_runstate(isp, chan, 5 * 1000000)) { 511 retval = EIO; 512 } else { 513 retval = 0; 514 } 515 ISP_UNLOCK(isp); 516 } 517 break; 518 519 case ISP_FC_LIP: 520 if (IS_FC(isp)) { 521 chan = *(int *)addr; 522 if (chan < 0 || chan >= isp->isp_nchan) { 523 retval = -ENXIO; 524 break; 525 } 526 ISP_LOCK(isp); 527 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 528 retval = EIO; 529 } else { 530 retval = 0; 531 } 532 ISP_UNLOCK(isp); 533 } 534 break; 535 case ISP_FC_GETDINFO: 536 { 537 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 538 fcportdb_t *lp; 539 540 if (IS_SCSI(isp)) { 541 break; 542 } 543 if (ifc->loopid >= MAX_FC_TARG) { 544 retval = EINVAL; 545 break; 546 } 547 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 548 if (lp->state == FC_PORTDB_STATE_VALID || lp->target_mode) { 549 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 550 ifc->loopid = lp->handle; 551 ifc->portid = lp->portid; 552 ifc->node_wwn = lp->node_wwn; 553 ifc->port_wwn = lp->port_wwn; 554 retval = 0; 555 } else { 556 retval = ENODEV; 557 } 558 break; 559 } 560 case ISP_GET_STATS: 561 { 562 isp_stats_t *sp = (isp_stats_t *) addr; 563 564 ISP_MEMZERO(sp, sizeof (*sp)); 565 sp->isp_stat_version = ISP_STATS_VERSION; 566 sp->isp_type = isp->isp_type; 567 sp->isp_revision = isp->isp_revision; 568 ISP_LOCK(isp); 569 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 570 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 571 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 572 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 573 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 574 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 575 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 576 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 577 ISP_UNLOCK(isp); 578 retval = 0; 579 break; 580 } 581 case ISP_CLR_STATS: 582 ISP_LOCK(isp); 583 isp->isp_intcnt = 0; 584 isp->isp_intbogus = 0; 585 isp->isp_intmboxc = 0; 586 isp->isp_intoasync = 0; 587 isp->isp_rsltccmplt = 0; 588 isp->isp_fphccmplt = 0; 589 isp->isp_rscchiwater = 0; 590 isp->isp_fpcchiwater = 0; 591 ISP_UNLOCK(isp); 592 retval = 0; 593 break; 594 case ISP_FC_GETHINFO: 595 { 596 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 597 int chan = hba->fc_channel; 598 599 if (chan < 0 || chan >= isp->isp_nchan) { 600 retval = ENXIO; 601 break; 602 } 603 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 604 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 605 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 606 hba->fc_nchannels = isp->isp_nchan; 607 if (IS_FC(isp)) { 608 hba->fc_nports = MAX_FC_TARG; 609 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 610 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 611 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 612 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 613 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 614 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 615 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 616 } else { 617 hba->fc_nports = MAX_TARGETS; 618 hba->fc_speed = 0; 619 hba->fc_topology = 0; 620 hba->nvram_node_wwn = 0ull; 621 hba->nvram_port_wwn = 0ull; 622 hba->active_node_wwn = 0ull; 623 hba->active_port_wwn = 0ull; 624 } 625 retval = 0; 626 break; 627 } 628 case ISP_TSK_MGMT: 629 { 630 int needmarker; 631 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 632 uint16_t loopid; 633 mbreg_t mbs; 634 635 if (IS_SCSI(isp)) { 636 break; 637 } 638 639 chan = fct->chan; 640 if (chan < 0 || chan >= isp->isp_nchan) { 641 retval = -ENXIO; 642 break; 643 } 644 645 needmarker = retval = 0; 646 loopid = fct->loopid; 647 ISP_LOCK(isp); 648 if (IS_24XX(isp)) { 649 uint8_t local[QENTRY_LEN]; 650 isp24xx_tmf_t *tmf; 651 isp24xx_statusreq_t *sp; 652 fcparam *fcp = FCPARAM(isp, chan); 653 fcportdb_t *lp; 654 int i; 655 656 for (i = 0; i < MAX_FC_TARG; i++) { 657 lp = &fcp->portdb[i]; 658 if (lp->handle == loopid) { 659 break; 660 } 661 } 662 if (i == MAX_FC_TARG) { 663 retval = ENXIO; 664 ISP_UNLOCK(isp); 665 break; 666 } 667 /* XXX VALIDATE LP XXX */ 668 tmf = (isp24xx_tmf_t *) local; 669 ISP_MEMZERO(tmf, QENTRY_LEN); 670 tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 671 tmf->tmf_header.rqs_entry_count = 1; 672 tmf->tmf_nphdl = lp->handle; 673 tmf->tmf_delay = 2; 674 tmf->tmf_timeout = 2; 675 tmf->tmf_tidlo = lp->portid; 676 tmf->tmf_tidhi = lp->portid >> 16; 677 tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan); 678 tmf->tmf_lun[1] = fct->lun & 0xff; 679 if (fct->lun >= 256) { 680 tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8); 681 } 682 switch (fct->action) { 683 case IPT_CLEAR_ACA: 684 tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA; 685 break; 686 case IPT_TARGET_RESET: 687 tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET; 688 needmarker = 1; 689 break; 690 case IPT_LUN_RESET: 691 tmf->tmf_flags = ISP24XX_TMF_LUN_RESET; 692 needmarker = 1; 693 break; 694 case IPT_CLEAR_TASK_SET: 695 tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 696 needmarker = 1; 697 break; 698 case IPT_ABORT_TASK_SET: 699 tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 700 needmarker = 1; 701 break; 702 default: 703 retval = EINVAL; 704 break; 705 } 706 if (retval) { 707 ISP_UNLOCK(isp); 708 break; 709 } 710 MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL, 5000000); 711 mbs.param[1] = QENTRY_LEN; 712 mbs.param[2] = DMA_WD1(fcp->isp_scdma); 713 mbs.param[3] = DMA_WD0(fcp->isp_scdma); 714 mbs.param[6] = DMA_WD3(fcp->isp_scdma); 715 mbs.param[7] = DMA_WD2(fcp->isp_scdma); 716 717 if (FC_SCRATCH_ACQUIRE(isp, chan)) { 718 ISP_UNLOCK(isp); 719 retval = ENOMEM; 720 break; 721 } 722 isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch); 723 MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan); 724 sp = (isp24xx_statusreq_t *) local; 725 sp->req_completion_status = 1; 726 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 727 MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan); 728 isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp); 729 FC_SCRATCH_RELEASE(isp, chan); 730 if (retval || sp->req_completion_status != 0) { 731 FC_SCRATCH_RELEASE(isp, chan); 732 retval = EIO; 733 } 734 if (retval == 0) { 735 if (needmarker) { 736 fcp->sendmarker = 1; 737 } 738 } 739 } else { 740 MBSINIT(&mbs, 0, MBLOGALL, 0); 741 if (ISP_CAP_2KLOGIN(isp) == 0) { 742 loopid <<= 8; 743 } 744 switch (fct->action) { 745 case IPT_CLEAR_ACA: 746 mbs.param[0] = MBOX_CLEAR_ACA; 747 mbs.param[1] = loopid; 748 mbs.param[2] = fct->lun; 749 break; 750 case IPT_TARGET_RESET: 751 mbs.param[0] = MBOX_TARGET_RESET; 752 mbs.param[1] = loopid; 753 needmarker = 1; 754 break; 755 case IPT_LUN_RESET: 756 mbs.param[0] = MBOX_LUN_RESET; 757 mbs.param[1] = loopid; 758 mbs.param[2] = fct->lun; 759 needmarker = 1; 760 break; 761 case IPT_CLEAR_TASK_SET: 762 mbs.param[0] = MBOX_CLEAR_TASK_SET; 763 mbs.param[1] = loopid; 764 mbs.param[2] = fct->lun; 765 needmarker = 1; 766 break; 767 case IPT_ABORT_TASK_SET: 768 mbs.param[0] = MBOX_ABORT_TASK_SET; 769 mbs.param[1] = loopid; 770 mbs.param[2] = fct->lun; 771 needmarker = 1; 772 break; 773 default: 774 retval = EINVAL; 775 break; 776 } 777 if (retval == 0) { 778 if (needmarker) { 779 FCPARAM(isp, chan)->sendmarker = 1; 780 } 781 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 782 if (retval) { 783 retval = EIO; 784 } 785 } 786 } 787 ISP_UNLOCK(isp); 788 break; 789 } 790 default: 791 break; 792 } 793 return (retval); 794 } 795 796 static void 797 isp_intr_enable(void *arg) 798 { 799 int chan; 800 ispsoftc_t *isp = arg; 801 ISP_LOCK(isp); 802 for (chan = 0; chan < isp->isp_nchan; chan++) { 803 if (IS_FC(isp)) { 804 if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) { 805 ISP_ENABLE_INTS(isp); 806 break; 807 } 808 } else { 809 if (SDPARAM(isp, chan)->role != ISP_ROLE_NONE) { 810 ISP_ENABLE_INTS(isp); 811 break; 812 } 813 } 814 } 815 isp->isp_osinfo.ehook_active = 0; 816 ISP_UNLOCK(isp); 817 /* Release our hook so that the boot can continue. */ 818 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 819 } 820 821 /* 822 * Local Inlines 823 */ 824 825 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 826 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 827 828 static ISP_INLINE int 829 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 830 { 831 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 832 if (ISP_PCMD(ccb) == NULL) { 833 return (-1); 834 } 835 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 836 return (0); 837 } 838 839 static ISP_INLINE void 840 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 841 { 842 if (ISP_PCMD(ccb)) { 843 #ifdef ISP_TARGET_MODE 844 PISP_PCMD(ccb)->datalen = 0; 845 PISP_PCMD(ccb)->totslen = 0; 846 PISP_PCMD(ccb)->cumslen = 0; 847 PISP_PCMD(ccb)->crn = 0; 848 #endif 849 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 850 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 851 ISP_PCMD(ccb) = NULL; 852 } 853 } 854 855 /* 856 * Put the target mode functions here, because some are inlines 857 */ 858 #ifdef ISP_TARGET_MODE 859 static ISP_INLINE void isp_tmlock(ispsoftc_t *, const char *); 860 static ISP_INLINE void isp_tmunlk(ispsoftc_t *); 861 static ISP_INLINE int is_any_lun_enabled(ispsoftc_t *, int); 862 static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t); 863 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 864 static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t); 865 static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *); 866 static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **); 867 static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t); 868 static ISP_INLINE atio_private_data_t *isp_find_atpd(ispsoftc_t *, tstate_t *, uint32_t); 869 static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *); 870 static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *); 871 static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t); 872 static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *); 873 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 874 static void destroy_lun_state(ispsoftc_t *, tstate_t *); 875 static void isp_enable_lun(ispsoftc_t *, union ccb *); 876 static cam_status isp_enable_deferred_luns(ispsoftc_t *, int); 877 static cam_status isp_enable_deferred(ispsoftc_t *, int, lun_id_t); 878 static void isp_disable_lun(ispsoftc_t *, union ccb *); 879 static int isp_enable_target_mode(ispsoftc_t *, int); 880 static int isp_disable_target_mode(ispsoftc_t *, int); 881 static void isp_ledone(ispsoftc_t *, lun_entry_t *); 882 static timeout_t isp_refire_putback_atio; 883 static timeout_t isp_refire_notify_ack; 884 static void isp_complete_ctio(union ccb *); 885 static void isp_target_putback_atio(union ccb *); 886 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 887 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 888 static void isp_handle_platform_atio(ispsoftc_t *, at_entry_t *); 889 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 890 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 891 static void isp_handle_platform_ctio(ispsoftc_t *, void *); 892 static void isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *); 893 static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *); 894 static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *); 895 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *); 896 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 897 static void isp_target_mark_aborted(ispsoftc_t *, union ccb *); 898 static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t); 899 900 static ISP_INLINE void 901 isp_tmlock(ispsoftc_t *isp, const char *msg) 902 { 903 while (isp->isp_osinfo.tmbusy) { 904 isp->isp_osinfo.tmwanted = 1; 905 mtx_sleep(isp, &isp->isp_lock, PRIBIO, msg, 0); 906 } 907 isp->isp_osinfo.tmbusy = 1; 908 } 909 910 static ISP_INLINE void 911 isp_tmunlk(ispsoftc_t *isp) 912 { 913 isp->isp_osinfo.tmbusy = 0; 914 if (isp->isp_osinfo.tmwanted) { 915 isp->isp_osinfo.tmwanted = 0; 916 wakeup(isp); 917 } 918 } 919 920 static ISP_INLINE int 921 is_any_lun_enabled(ispsoftc_t *isp, int bus) 922 { 923 struct tslist *lhp; 924 int i; 925 926 for (i = 0; i < LUN_HASH_SIZE; i++) { 927 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 928 if (SLIST_FIRST(lhp)) 929 return (1); 930 } 931 return (0); 932 } 933 934 static ISP_INLINE int 935 is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun) 936 { 937 tstate_t *tptr; 938 struct tslist *lhp; 939 940 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 941 SLIST_FOREACH(tptr, lhp, next) { 942 if (tptr->ts_lun == lun) { 943 return (1); 944 } 945 } 946 return (0); 947 } 948 949 static void 950 dump_tstates(ispsoftc_t *isp, int bus) 951 { 952 int i, j; 953 struct tslist *lhp; 954 tstate_t *tptr = NULL; 955 956 if (bus >= isp->isp_nchan) { 957 return; 958 } 959 for (i = 0; i < LUN_HASH_SIZE; i++) { 960 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 961 j = 0; 962 SLIST_FOREACH(tptr, lhp, next) { 963 xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count); 964 j++; 965 } 966 } 967 } 968 969 static ISP_INLINE tstate_t * 970 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 971 { 972 tstate_t *tptr = NULL; 973 struct tslist *lhp; 974 975 if (bus < isp->isp_nchan) { 976 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 977 SLIST_FOREACH(tptr, lhp, next) { 978 if (tptr->ts_lun == lun) { 979 tptr->hold++; 980 return (tptr); 981 } 982 } 983 } 984 return (NULL); 985 } 986 987 static ISP_INLINE tstate_t * 988 get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval) 989 { 990 tstate_t *tptr = NULL; 991 atio_private_data_t *atp; 992 struct tslist *lhp; 993 int i; 994 995 if (bus < isp->isp_nchan && tagval != 0) { 996 for (i = 0; i < LUN_HASH_SIZE; i++) { 997 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 998 SLIST_FOREACH(tptr, lhp, next) { 999 atp = isp_find_atpd(isp, tptr, tagval); 1000 if (atp) { 1001 tptr->hold++; 1002 return (tptr); 1003 } 1004 } 1005 } 1006 } 1007 return (NULL); 1008 } 1009 1010 static ISP_INLINE inot_private_data_t * 1011 get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt) 1012 { 1013 inot_private_data_t *ntp; 1014 tstate_t *tptr; 1015 struct tslist *lhp; 1016 int bus, i; 1017 1018 for (bus = 0; bus < isp->isp_nchan; bus++) { 1019 for (i = 0; i < LUN_HASH_SIZE; i++) { 1020 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1021 SLIST_FOREACH(tptr, lhp, next) { 1022 ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id); 1023 if (ntp) { 1024 *rslt = tptr; 1025 tptr->hold++; 1026 return (ntp); 1027 } 1028 } 1029 } 1030 } 1031 return (NULL); 1032 } 1033 1034 static ISP_INLINE void 1035 rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr) 1036 { 1037 KASSERT((tptr->hold), ("tptr not held")); 1038 tptr->hold--; 1039 } 1040 1041 static void 1042 isp_tmcmd_restart(ispsoftc_t *isp) 1043 { 1044 inot_private_data_t *ntp; 1045 inot_private_data_t *restart_queue; 1046 tstate_t *tptr; 1047 union ccb *ccb; 1048 struct tslist *lhp; 1049 int bus, i; 1050 1051 for (bus = 0; bus < isp->isp_nchan; bus++) { 1052 for (i = 0; i < LUN_HASH_SIZE; i++) { 1053 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1054 SLIST_FOREACH(tptr, lhp, next) { 1055 if ((restart_queue = tptr->restart_queue) != NULL) 1056 tptr->restart_queue = NULL; 1057 while (restart_queue) { 1058 ntp = restart_queue; 1059 restart_queue = ntp->rd.nt.nt_hba; 1060 if (IS_24XX(isp)) { 1061 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid); 1062 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data); 1063 } else { 1064 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid); 1065 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data); 1066 } 1067 isp_put_ntpd(isp, tptr, ntp); 1068 if (tptr->restart_queue && restart_queue != NULL) { 1069 ntp = tptr->restart_queue; 1070 tptr->restart_queue = restart_queue; 1071 while (restart_queue->rd.nt.nt_hba) { 1072 restart_queue = restart_queue->rd.nt.nt_hba; 1073 } 1074 restart_queue->rd.nt.nt_hba = ntp; 1075 break; 1076 } 1077 } 1078 /* 1079 * We only need to do this once per tptr 1080 */ 1081 if (!TAILQ_EMPTY(&tptr->waitq)) { 1082 ccb = (union ccb *)TAILQ_LAST(&tptr->waitq, isp_ccbq); 1083 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1084 isp_target_start_ctio(isp, ccb, FROM_TIMER); 1085 } 1086 } 1087 } 1088 } 1089 } 1090 1091 static ISP_INLINE atio_private_data_t * 1092 isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag) 1093 { 1094 atio_private_data_t *atp; 1095 1096 atp = LIST_FIRST(&tptr->atfree); 1097 if (atp) { 1098 LIST_REMOVE(atp, next); 1099 atp->tag = tag; 1100 LIST_INSERT_HEAD(&tptr->atused[ATPDPHASH(tag)], atp, next); 1101 } 1102 return (atp); 1103 } 1104 1105 static ISP_INLINE atio_private_data_t * 1106 isp_find_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag) 1107 { 1108 atio_private_data_t *atp; 1109 1110 LIST_FOREACH(atp, &tptr->atused[ATPDPHASH(tag)], next) { 1111 if (atp->tag == tag) 1112 return (atp); 1113 } 1114 return (NULL); 1115 } 1116 1117 static ISP_INLINE void 1118 isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp) 1119 { 1120 if (atp->ests) { 1121 isp_put_ecmd(isp, atp->ests); 1122 } 1123 LIST_REMOVE(atp, next); 1124 memset(atp, 0, sizeof (*atp)); 1125 LIST_INSERT_HEAD(&tptr->atfree, atp, next); 1126 } 1127 1128 static void 1129 isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr) 1130 { 1131 atio_private_data_t *atp; 1132 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 1133 1134 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) { 1135 xpt_print(tptr->owner, "ATP: [0x%x] origdlen %u bytes_xfrd %u lun %u nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s\n", 1136 atp->tag, atp->orig_datalen, atp->bytes_xfered, atp->lun, atp->nphdl, atp->sid, atp->portid, atp->oxid, states[atp->state & 0x7]); 1137 } 1138 } 1139 1140 1141 static ISP_INLINE inot_private_data_t * 1142 isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr) 1143 { 1144 inot_private_data_t *ntp; 1145 ntp = tptr->ntfree; 1146 if (ntp) { 1147 tptr->ntfree = ntp->next; 1148 } 1149 return (ntp); 1150 } 1151 1152 static ISP_INLINE inot_private_data_t * 1153 isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id) 1154 { 1155 inot_private_data_t *ntp; 1156 for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) { 1157 if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) { 1158 return (ntp); 1159 } 1160 } 1161 return (NULL); 1162 } 1163 1164 static ISP_INLINE void 1165 isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp) 1166 { 1167 ntp->rd.tag_id = ntp->rd.seq_id = 0; 1168 ntp->next = tptr->ntfree; 1169 tptr->ntfree = ntp; 1170 } 1171 1172 static cam_status 1173 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 1174 { 1175 cam_status status; 1176 lun_id_t lun; 1177 struct tslist *lhp; 1178 tstate_t *tptr; 1179 int i; 1180 1181 lun = xpt_path_lun_id(path); 1182 if (lun != CAM_LUN_WILDCARD) { 1183 if (lun >= ISP_MAX_LUNS(isp)) { 1184 return (CAM_LUN_INVALID); 1185 } 1186 } 1187 if (is_lun_enabled(isp, bus, lun)) { 1188 return (CAM_LUN_ALRDY_ENA); 1189 } 1190 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 1191 if (tptr == NULL) { 1192 return (CAM_RESRC_UNAVAIL); 1193 } 1194 tptr->ts_lun = lun; 1195 status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun); 1196 if (status != CAM_REQ_CMP) { 1197 free(tptr, M_DEVBUF); 1198 return (status); 1199 } 1200 SLIST_INIT(&tptr->atios); 1201 SLIST_INIT(&tptr->inots); 1202 TAILQ_INIT(&tptr->waitq); 1203 LIST_INIT(&tptr->atfree); 1204 for (i = ATPDPSIZE-1; i >= 0; i--) 1205 LIST_INSERT_HEAD(&tptr->atfree, &tptr->atpool[i], next); 1206 for (i = 0; i < ATPDPHASHSIZE; i++) 1207 LIST_INIT(&tptr->atused[i]); 1208 for (i = 0; i < ATPDPSIZE-1; i++) 1209 tptr->ntpool[i].next = &tptr->ntpool[i+1]; 1210 tptr->ntfree = tptr->ntpool; 1211 tptr->hold = 1; 1212 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 1213 SLIST_INSERT_HEAD(lhp, tptr, next); 1214 *rslt = tptr; 1215 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 1216 return (CAM_REQ_CMP); 1217 } 1218 1219 static ISP_INLINE void 1220 destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr) 1221 { 1222 union ccb *ccb; 1223 struct tslist *lhp; 1224 1225 KASSERT((tptr->hold != 0), ("tptr is not held")); 1226 KASSERT((tptr->hold == 1), ("tptr still held (%d)", tptr->hold)); 1227 do { 1228 ccb = (union ccb *)SLIST_FIRST(&tptr->atios); 1229 if (ccb) { 1230 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1231 ccb->ccb_h.status = CAM_REQ_ABORTED; 1232 xpt_done(ccb); 1233 } 1234 } while (ccb); 1235 do { 1236 ccb = (union ccb *)SLIST_FIRST(&tptr->inots); 1237 if (ccb) { 1238 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 1239 ccb->ccb_h.status = CAM_REQ_ABORTED; 1240 xpt_done(ccb); 1241 } 1242 } while (ccb); 1243 ISP_GET_PC_ADDR(isp, cam_sim_bus(xpt_path_sim(tptr->owner)), lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 1244 SLIST_REMOVE(lhp, tptr, tstate, next); 1245 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "destroyed tstate\n"); 1246 xpt_free_path(tptr->owner); 1247 free(tptr, M_DEVBUF); 1248 } 1249 1250 /* 1251 * Enable a lun. 1252 */ 1253 static void 1254 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1255 { 1256 tstate_t *tptr = NULL; 1257 int bus, tm_enabled, target_role; 1258 target_id_t target; 1259 lun_id_t lun; 1260 1261 1262 /* 1263 * We only support either a wildcard target/lun or a target ID of zero and a non-wildcard lun 1264 */ 1265 bus = XS_CHANNEL(ccb); 1266 target = ccb->ccb_h.target_id; 1267 lun = ccb->ccb_h.target_lun; 1268 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "enabling lun %u\n", lun); 1269 if (target != CAM_TARGET_WILDCARD && target != 0) { 1270 ccb->ccb_h.status = CAM_TID_INVALID; 1271 xpt_done(ccb); 1272 return; 1273 } 1274 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) { 1275 ccb->ccb_h.status = CAM_LUN_INVALID; 1276 xpt_done(ccb); 1277 return; 1278 } 1279 1280 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 1281 ccb->ccb_h.status = CAM_LUN_INVALID; 1282 xpt_done(ccb); 1283 return; 1284 } 1285 if (isp->isp_dblev & ISP_LOGTDEBUG0) { 1286 xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus); 1287 } 1288 1289 /* 1290 * Wait until we're not busy with the lun enables subsystem 1291 */ 1292 isp_tmlock(isp, "isp_enable_lun"); 1293 1294 /* 1295 * This is as a good a place as any to check f/w capabilities. 1296 */ 1297 1298 if (IS_FC(isp)) { 1299 if (ISP_CAP_TMODE(isp) == 0) { 1300 xpt_print(ccb->ccb_h.path, "firmware does not support target mode\n"); 1301 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1302 goto done; 1303 } 1304 /* 1305 * We *could* handle non-SCCLUN f/w, but we'd have to 1306 * dork with our already fragile enable/disable code. 1307 */ 1308 if (ISP_CAP_SCCFW(isp) == 0) { 1309 xpt_print(ccb->ccb_h.path, "firmware not SCCLUN capable\n"); 1310 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1311 goto done; 1312 } 1313 1314 target_role = (FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0; 1315 1316 } else { 1317 target_role = (SDPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0; 1318 } 1319 1320 /* 1321 * Create the state pointer. 1322 * It should not already exist. 1323 */ 1324 tptr = get_lun_statep(isp, bus, lun); 1325 if (tptr) { 1326 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1327 goto done; 1328 } 1329 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1330 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1331 goto done; 1332 } 1333 1334 /* 1335 * We have a tricky maneuver to perform here. 1336 * 1337 * If target mode isn't already enabled here, 1338 * *and* our current role includes target mode, 1339 * we enable target mode here. 1340 * 1341 */ 1342 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1343 if (tm_enabled == 0 && target_role != 0) { 1344 if (isp_enable_target_mode(isp, bus)) { 1345 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1346 destroy_lun_state(isp, tptr); 1347 tptr = NULL; 1348 goto done; 1349 } 1350 tm_enabled = 1; 1351 } 1352 1353 /* 1354 * Now check to see whether this bus is in target mode already. 1355 * 1356 * If not, a later role change into target mode will finish the job. 1357 */ 1358 if (tm_enabled == 0) { 1359 ISP_SET_PC(isp, bus, tm_enable_defer, 1); 1360 ccb->ccb_h.status = CAM_REQ_CMP; 1361 xpt_print(ccb->ccb_h.path, "Target Mode not enabled yet- lun enable deferred\n"); 1362 goto done1; 1363 } 1364 1365 /* 1366 * Enable the lun. 1367 */ 1368 ccb->ccb_h.status = isp_enable_deferred(isp, bus, lun); 1369 1370 done: 1371 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1372 if (tptr) { 1373 destroy_lun_state(isp, tptr); 1374 tptr = NULL; 1375 } 1376 } else { 1377 tptr->enabled = 1; 1378 } 1379 done1: 1380 if (tptr) { 1381 rls_lun_statep(isp, tptr); 1382 } 1383 1384 /* 1385 * And we're outta here.... 1386 */ 1387 isp_tmunlk(isp); 1388 xpt_done(ccb); 1389 } 1390 1391 static cam_status 1392 isp_enable_deferred_luns(ispsoftc_t *isp, int bus) 1393 { 1394 tstate_t *tptr = NULL; 1395 struct tslist *lhp; 1396 int i, n; 1397 1398 1399 ISP_GET_PC(isp, bus, tm_enabled, i); 1400 if (i == 1) { 1401 return (CAM_REQ_CMP); 1402 } 1403 ISP_GET_PC(isp, bus, tm_enable_defer, i); 1404 if (i == 0) { 1405 return (CAM_REQ_CMP); 1406 } 1407 /* 1408 * If this succeeds, it will set tm_enable 1409 */ 1410 if (isp_enable_target_mode(isp, bus)) { 1411 return (CAM_REQ_CMP_ERR); 1412 } 1413 isp_tmlock(isp, "isp_enable_deferred_luns"); 1414 for (n = i = 0; i < LUN_HASH_SIZE; i++) { 1415 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1416 SLIST_FOREACH(tptr, lhp, next) { 1417 tptr->hold++; 1418 if (tptr->enabled == 0) { 1419 if (isp_enable_deferred(isp, bus, tptr->ts_lun) == CAM_REQ_CMP) { 1420 tptr->enabled = 1; 1421 n++; 1422 } 1423 } else { 1424 n++; 1425 } 1426 tptr->hold--; 1427 } 1428 } 1429 isp_tmunlk(isp); 1430 if (n == 0) { 1431 return (CAM_REQ_CMP_ERR); 1432 } 1433 ISP_SET_PC(isp, bus, tm_enable_defer, 0); 1434 return (CAM_REQ_CMP); 1435 } 1436 1437 static cam_status 1438 isp_enable_deferred(ispsoftc_t *isp, int bus, lun_id_t lun) 1439 { 1440 cam_status status; 1441 int luns_already_enabled; 1442 1443 ISP_GET_PC(isp, bus, tm_luns_enabled, luns_already_enabled); 1444 isp_prt(isp, ISP_LOGTINFO, "%s: bus %d lun %jx luns_enabled %d", __func__, bus, (uintmax_t)lun, luns_already_enabled); 1445 if (IS_24XX(isp) || (IS_FC(isp) && luns_already_enabled)) { 1446 status = CAM_REQ_CMP; 1447 } else { 1448 int cmd_cnt, not_cnt; 1449 1450 if (IS_23XX(isp)) { 1451 cmd_cnt = DFLT_CMND_CNT; 1452 not_cnt = DFLT_INOT_CNT; 1453 } else { 1454 cmd_cnt = 64; 1455 not_cnt = 8; 1456 } 1457 status = CAM_REQ_INPROG; 1458 isp->isp_osinfo.rptr = &status; 1459 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun == CAM_LUN_WILDCARD? 0 : lun, cmd_cnt, not_cnt)) { 1460 status = CAM_RESRC_UNAVAIL; 1461 } else { 1462 mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_enable_deferred", 0); 1463 } 1464 isp->isp_osinfo.rptr = NULL; 1465 } 1466 if (status == CAM_REQ_CMP) { 1467 ISP_SET_PC(isp, bus, tm_luns_enabled, 1); 1468 isp_prt(isp, ISP_LOGCONFIG|ISP_LOGTINFO, "bus %d lun %jx now enabled for target mode", bus, (uintmax_t)lun); 1469 } 1470 return (status); 1471 } 1472 1473 static void 1474 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1475 { 1476 tstate_t *tptr = NULL; 1477 int bus; 1478 cam_status status; 1479 target_id_t target; 1480 lun_id_t lun; 1481 1482 bus = XS_CHANNEL(ccb); 1483 target = ccb->ccb_h.target_id; 1484 lun = ccb->ccb_h.target_lun; 1485 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "disabling lun %u\n", lun); 1486 if (target != CAM_TARGET_WILDCARD && target != 0) { 1487 ccb->ccb_h.status = CAM_TID_INVALID; 1488 xpt_done(ccb); 1489 return; 1490 } 1491 1492 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) { 1493 ccb->ccb_h.status = CAM_LUN_INVALID; 1494 xpt_done(ccb); 1495 return; 1496 } 1497 1498 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 1499 ccb->ccb_h.status = CAM_LUN_INVALID; 1500 xpt_done(ccb); 1501 return; 1502 } 1503 1504 /* 1505 * See if we're busy disabling a lun now. 1506 */ 1507 isp_tmlock(isp, "isp_disable_lun"); 1508 status = CAM_REQ_INPROG; 1509 1510 /* 1511 * Find the state pointer. 1512 */ 1513 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1514 status = CAM_PATH_INVALID; 1515 goto done; 1516 } 1517 1518 /* 1519 * If we're a 24XX card, we're done. 1520 */ 1521 if (IS_24XX(isp)) { 1522 status = CAM_REQ_CMP; 1523 goto done; 1524 } 1525 1526 /* 1527 * For SCC FW, we only deal with lun zero. 1528 */ 1529 if (IS_FC(isp) && lun > 0) { 1530 status = CAM_REQ_CMP; 1531 goto done; 1532 } 1533 isp->isp_osinfo.rptr = &status; 1534 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) { 1535 status = CAM_RESRC_UNAVAIL; 1536 } else { 1537 mtx_sleep(ccb, &isp->isp_lock, PRIBIO, "isp_disable_lun", 0); 1538 } 1539 isp->isp_osinfo.rptr = NULL; 1540 done: 1541 if (status == CAM_REQ_CMP) { 1542 tptr->enabled = 0; 1543 /* 1544 * If we have no more luns enabled for this bus, 1545 * delete all tracked wwns for it (if we are FC), 1546 * and disable target mode. 1547 */ 1548 if (is_any_lun_enabled(isp, bus) == 0) { 1549 isp_del_all_wwn_entries(isp, bus); 1550 if (isp_disable_target_mode(isp, bus)) { 1551 status = CAM_REQ_CMP_ERR; 1552 } 1553 } 1554 } 1555 ccb->ccb_h.status = status; 1556 if (status == CAM_REQ_CMP) { 1557 destroy_lun_state(isp, tptr); 1558 xpt_print(ccb->ccb_h.path, "lun now disabled for target mode\n"); 1559 } else { 1560 if (tptr) 1561 rls_lun_statep(isp, tptr); 1562 } 1563 isp_tmunlk(isp); 1564 xpt_done(ccb); 1565 } 1566 1567 static int 1568 isp_enable_target_mode(ispsoftc_t *isp, int bus) 1569 { 1570 int tm_enabled; 1571 1572 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1573 if (tm_enabled != 0) { 1574 return (0); 1575 } 1576 if (IS_SCSI(isp)) { 1577 mbreg_t mbs; 1578 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0); 1579 mbs.param[0] = MBOX_ENABLE_TARGET_MODE; 1580 mbs.param[1] = ENABLE_TARGET_FLAG|ENABLE_TQING_FLAG; 1581 mbs.param[2] = bus << 7; 1582 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1583 isp_prt(isp, ISP_LOGERR, "Unable to enable Target Role on Bus %d", bus); 1584 return (EIO); 1585 } 1586 } 1587 ISP_SET_PC(isp, bus, tm_enabled, 1); 1588 isp_prt(isp, ISP_LOGINFO, "Target Role enabled on Bus %d", bus); 1589 return (0); 1590 } 1591 1592 static int 1593 isp_disable_target_mode(ispsoftc_t *isp, int bus) 1594 { 1595 int tm_enabled; 1596 1597 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1598 if (tm_enabled == 0) { 1599 return (0); 1600 } 1601 if (IS_SCSI(isp)) { 1602 mbreg_t mbs; 1603 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0); 1604 mbs.param[2] = bus << 7; 1605 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1606 isp_prt(isp, ISP_LOGERR, "Unable to disable Target Role on Bus %d", bus); 1607 return (EIO); 1608 } 1609 } 1610 ISP_SET_PC(isp, bus, tm_enabled, 0); 1611 isp_prt(isp, ISP_LOGINFO, "Target Role disabled on Bus %d", bus); 1612 return (0); 1613 } 1614 1615 static void 1616 isp_ledone(ispsoftc_t *isp, lun_entry_t *lep) 1617 { 1618 uint32_t *rptr; 1619 1620 rptr = isp->isp_osinfo.rptr; 1621 if (lep->le_status != LUN_OK) { 1622 isp_prt(isp, ISP_LOGERR, "ENABLE/MODIFY LUN returned 0x%x", lep->le_status); 1623 if (rptr) { 1624 *rptr = CAM_REQ_CMP_ERR; 1625 wakeup_one(rptr); 1626 } 1627 } else { 1628 if (rptr) { 1629 *rptr = CAM_REQ_CMP; 1630 wakeup_one(rptr); 1631 } 1632 } 1633 } 1634 1635 static void 1636 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1637 { 1638 int fctape, sendstatus, resid; 1639 tstate_t *tptr; 1640 fcparam *fcp; 1641 atio_private_data_t *atp; 1642 struct ccb_scsiio *cso; 1643 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1644 uint8_t local[QENTRY_LEN]; 1645 1646 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb)); 1647 if (tptr == NULL) { 1648 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD); 1649 if (tptr == NULL) { 1650 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find tstate pointer", __func__, ccb->csio.tag_id); 1651 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1652 xpt_done(ccb); 1653 return; 1654 } 1655 } 1656 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ENTRY[0x%x] how %u xfrlen %u sendstatus %d sense_len %u", __func__, ccb->csio.tag_id, how, ccb->csio.dxfer_len, 1657 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1658 1659 switch (how) { 1660 case FROM_TIMER: 1661 case FROM_CAM: 1662 /* 1663 * Insert at the tail of the list, if any, waiting CTIO CCBs 1664 */ 1665 TAILQ_INSERT_TAIL(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1666 break; 1667 case FROM_SRR: 1668 case FROM_CTIO_DONE: 1669 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1670 break; 1671 } 1672 1673 while (TAILQ_FIRST(&tptr->waitq) != NULL) { 1674 ccb = (union ccb *) TAILQ_FIRST(&tptr->waitq); 1675 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1676 1677 cso = &ccb->csio; 1678 xfrlen = cso->dxfer_len; 1679 if (xfrlen == 0) { 1680 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1681 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1682 ccb->ccb_h.status = CAM_REQ_INVALID; 1683 xpt_done(ccb); 1684 continue; 1685 } 1686 } 1687 1688 atp = isp_find_atpd(isp, tptr, cso->tag_id); 1689 if (atp == NULL) { 1690 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1691 isp_dump_atpd(isp, tptr); 1692 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1693 xpt_done(ccb); 1694 continue; 1695 } 1696 1697 /* 1698 * Is this command a dead duck? 1699 */ 1700 if (atp->dead) { 1701 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1702 ccb->ccb_h.status = CAM_REQ_ABORTED; 1703 xpt_done(ccb); 1704 continue; 1705 } 1706 1707 /* 1708 * Check to make sure we're still in target mode. 1709 */ 1710 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1711 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1712 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1713 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1714 xpt_done(ccb); 1715 continue; 1716 } 1717 1718 /* 1719 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1720 * could be split into two CTIOs to split data and status). 1721 */ 1722 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1723 isp_prt(isp, ISP_LOGTINFO, "[0x%x] handling only %d CCBs at a time (flags for this ccb: 0x%x)", cso->tag_id, ATPD_CCB_OUTSTANDING, ccb->ccb_h.flags); 1724 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1725 break; 1726 } 1727 1728 /* 1729 * Does the initiator expect FC-Tape style responses? 1730 */ 1731 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1732 fctape = 1; 1733 } else { 1734 fctape = 0; 1735 } 1736 1737 /* 1738 * If we already did the data xfer portion of a CTIO that sends data 1739 * and status, don't do it again and do the status portion now. 1740 */ 1741 if (atp->sendst) { 1742 isp_prt(isp, ISP_LOGTINFO, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1743 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1744 xfrlen = 0; /* we already did the data transfer */ 1745 atp->sendst = 0; 1746 } 1747 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1748 sendstatus = 1; 1749 } else { 1750 sendstatus = 0; 1751 } 1752 1753 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1754 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1755 /* 1756 * Sense length is not the entire sense data structure size. Periph 1757 * drivers don't seem to be setting sense_len to reflect the actual 1758 * size. We'll peek inside to get the right amount. 1759 */ 1760 sense_length = cso->sense_len; 1761 1762 /* 1763 * This 'cannot' happen 1764 */ 1765 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1766 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1767 } 1768 } else { 1769 sense_length = 0; 1770 } 1771 1772 memset(local, 0, QENTRY_LEN); 1773 1774 /* 1775 * Check for overflow 1776 */ 1777 tmp = atp->bytes_xfered + atp->bytes_in_transit + xfrlen; 1778 if (tmp > atp->orig_datalen) { 1779 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] data overflow by %u bytes", __func__, cso->tag_id, tmp - atp->orig_datalen); 1780 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1781 xpt_done(ccb); 1782 continue; 1783 } 1784 1785 if (IS_24XX(isp)) { 1786 ct7_entry_t *cto = (ct7_entry_t *) local; 1787 1788 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1789 cto->ct_header.rqs_entry_count = 1; 1790 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1791 ATPD_SET_SEQNO(cto, atp); 1792 cto->ct_nphdl = atp->nphdl; 1793 cto->ct_rxid = atp->tag; 1794 cto->ct_iid_lo = atp->portid; 1795 cto->ct_iid_hi = atp->portid >> 16; 1796 cto->ct_oxid = atp->oxid; 1797 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1798 cto->ct_timeout = 120; 1799 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1800 1801 /* 1802 * Mode 1, status, no data. Only possible when we are sending status, have 1803 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1804 * 1805 * Mode 2, status, no data. We have to use this in the case that 1806 * the sense data won't fit into a ct7_entry_t. 1807 * 1808 */ 1809 if (sendstatus && xfrlen == 0) { 1810 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1811 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1812 if (sense_length <= MAXRESPLEN_24XX) { 1813 if (resid < 0) { 1814 cto->ct_resid = -resid; 1815 } else if (resid > 0) { 1816 cto->ct_resid = resid; 1817 } 1818 cto->ct_flags |= CT7_FLAG_MODE1; 1819 cto->ct_scsi_status = cso->scsi_status; 1820 if (resid < 0) { 1821 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1822 } else if (resid > 0) { 1823 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1824 } 1825 if (fctape) { 1826 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1827 } 1828 if (sense_length) { 1829 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1830 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1831 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1832 } 1833 } else { 1834 bus_addr_t addr; 1835 char buf[XCMD_SIZE]; 1836 fcp_rsp_iu_t *rp; 1837 1838 if (atp->ests == NULL) { 1839 atp->ests = isp_get_ecmd(isp); 1840 if (atp->ests == NULL) { 1841 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1842 break; 1843 } 1844 } 1845 memset(buf, 0, sizeof (buf)); 1846 rp = (fcp_rsp_iu_t *)buf; 1847 if (fctape) { 1848 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1849 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1850 } 1851 cto->ct_flags |= CT7_FLAG_MODE2; 1852 rp->fcp_rsp_scsi_status = cso->scsi_status; 1853 if (resid < 0) { 1854 rp->fcp_rsp_resid = -resid; 1855 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1856 } else if (resid > 0) { 1857 rp->fcp_rsp_resid = resid; 1858 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1859 } 1860 if (sense_length) { 1861 rp->fcp_rsp_snslen = sense_length; 1862 cto->ct_senselen = sense_length; 1863 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1864 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1865 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1866 } else { 1867 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1868 } 1869 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1870 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1871 } 1872 addr = isp->isp_osinfo.ecmd_dma; 1873 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1874 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests, 1875 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1876 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1877 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1878 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1879 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1880 } 1881 if (sense_length) { 1882 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d slen %u sense: %x %x/%x/%x", __func__, 1883 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid, sense_length, 1884 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1885 } else { 1886 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1887 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1888 } 1889 atp->state = ATPD_STATE_LAST_CTIO; 1890 } 1891 1892 /* 1893 * Mode 0 data transfers, *possibly* with status. 1894 */ 1895 if (xfrlen != 0) { 1896 cto->ct_flags |= CT7_FLAG_MODE0; 1897 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1898 cto->ct_flags |= CT7_DATA_IN; 1899 } else { 1900 cto->ct_flags |= CT7_DATA_OUT; 1901 } 1902 1903 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1904 cto->rsp.m0.ct_xfrlen = xfrlen; 1905 1906 #ifdef DEBUG 1907 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1908 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1909 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1910 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1911 } 1912 #endif 1913 if (sendstatus) { 1914 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1915 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1916 cto->ct_flags |= CT7_SENDSTATUS; 1917 atp->state = ATPD_STATE_LAST_CTIO; 1918 if (fctape) { 1919 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1920 } 1921 } else { 1922 atp->sendst = 1; /* send status later */ 1923 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1924 atp->state = ATPD_STATE_CTIO; 1925 } 1926 } else { 1927 atp->state = ATPD_STATE_CTIO; 1928 } 1929 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x xfrlen=%u off=%u", __func__, 1930 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1931 } 1932 } else if (IS_FC(isp)) { 1933 ct2_entry_t *cto = (ct2_entry_t *) local; 1934 1935 if (isp->isp_osinfo.sixtyfourbit) 1936 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3; 1937 else 1938 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1939 cto->ct_header.rqs_entry_count = 1; 1940 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1941 ATPD_SET_SEQNO(cto, atp); 1942 if (ISP_CAP_2KLOGIN(isp) == 0) { 1943 ((ct2e_entry_t *)cto)->ct_iid = cso->init_id; 1944 } else { 1945 cto->ct_iid = cso->init_id; 1946 if (ISP_CAP_SCCFW(isp) == 0) { 1947 cto->ct_lun = ccb->ccb_h.target_lun; 1948 } 1949 } 1950 cto->ct_timeout = 10; 1951 cto->ct_rxid = cso->tag_id; 1952 1953 /* 1954 * Mode 1, status, no data. Only possible when we are sending status, have 1955 * no data to transfer, and the sense length can fit in the ct7_entry. 1956 * 1957 * Mode 2, status, no data. We have to use this in the case the response 1958 * length won't fit into a ct2_entry_t. 1959 * 1960 * We'll fill out this structure with information as if this were a 1961 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1962 * needed based upon this. 1963 */ 1964 if (sendstatus && xfrlen == 0) { 1965 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1966 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1967 if (sense_length <= MAXRESPLEN) { 1968 if (resid < 0) { 1969 cto->ct_resid = -resid; 1970 } else if (resid > 0) { 1971 cto->ct_resid = resid; 1972 } 1973 cto->ct_flags |= CT2_FLAG_MODE1; 1974 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1975 if (resid < 0) { 1976 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1977 } else if (resid > 0) { 1978 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1979 } 1980 if (fctape) { 1981 cto->ct_flags |= CT2_CONFIRM; 1982 } 1983 if (sense_length) { 1984 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1985 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1986 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1987 } 1988 } else { 1989 bus_addr_t addr; 1990 char buf[XCMD_SIZE]; 1991 fcp_rsp_iu_t *rp; 1992 1993 if (atp->ests == NULL) { 1994 atp->ests = isp_get_ecmd(isp); 1995 if (atp->ests == NULL) { 1996 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1997 break; 1998 } 1999 } 2000 memset(buf, 0, sizeof (buf)); 2001 rp = (fcp_rsp_iu_t *)buf; 2002 if (fctape) { 2003 cto->ct_flags |= CT2_CONFIRM; 2004 rp->fcp_rsp_bits |= FCP_CONF_REQ; 2005 } 2006 cto->ct_flags |= CT2_FLAG_MODE2; 2007 rp->fcp_rsp_scsi_status = cso->scsi_status; 2008 if (resid < 0) { 2009 rp->fcp_rsp_resid = -resid; 2010 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 2011 } else if (resid > 0) { 2012 rp->fcp_rsp_resid = resid; 2013 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 2014 } 2015 if (sense_length) { 2016 rp->fcp_rsp_snslen = sense_length; 2017 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 2018 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 2019 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 2020 } else { 2021 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 2022 } 2023 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 2024 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 2025 } 2026 addr = isp->isp_osinfo.ecmd_dma; 2027 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 2028 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests, 2029 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 2030 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 2031 if (isp->isp_osinfo.sixtyfourbit) { 2032 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr); 2033 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr); 2034 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 2035 } else { 2036 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 2037 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 2038 } 2039 } 2040 if (sense_length) { 2041 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d sense: %x %x/%x/%x", __func__, 2042 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, 2043 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 2044 } else { 2045 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, cto->ct_rxid, 2046 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid); 2047 } 2048 atp->state = ATPD_STATE_LAST_CTIO; 2049 } 2050 2051 if (xfrlen != 0) { 2052 cto->ct_flags |= CT2_FLAG_MODE0; 2053 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2054 cto->ct_flags |= CT2_DATA_IN; 2055 } else { 2056 cto->ct_flags |= CT2_DATA_OUT; 2057 } 2058 2059 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit; 2060 cto->rsp.m0.ct_xfrlen = xfrlen; 2061 2062 if (sendstatus) { 2063 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 2064 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) { 2065 cto->ct_flags |= CT2_SENDSTATUS; 2066 atp->state = ATPD_STATE_LAST_CTIO; 2067 if (fctape) { 2068 cto->ct_flags |= CT2_CONFIRM; 2069 } 2070 } else { 2071 atp->sendst = 1; /* send status later */ 2072 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 2073 atp->state = ATPD_STATE_CTIO; 2074 } 2075 } else { 2076 atp->state = ATPD_STATE_CTIO; 2077 } 2078 } 2079 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[%x] seq %u nc %d CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u", __func__, cto->ct_rxid, 2080 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered); 2081 } else { 2082 ct_entry_t *cto = (ct_entry_t *) local; 2083 2084 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO; 2085 cto->ct_header.rqs_entry_count = 1; 2086 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 2087 ATPD_SET_SEQNO(cto, atp); 2088 cto->ct_iid = cso->init_id; 2089 cto->ct_iid |= XS_CHANNEL(ccb) << 7; 2090 cto->ct_tgt = ccb->ccb_h.target_id; 2091 cto->ct_lun = ccb->ccb_h.target_lun; 2092 cto->ct_fwhandle = cso->tag_id; 2093 if (atp->rxid) { 2094 cto->ct_tag_val = atp->rxid; 2095 cto->ct_flags |= CT_TQAE; 2096 } 2097 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 2098 cto->ct_flags |= CT_NODISC; 2099 } 2100 if (cso->dxfer_len == 0) { 2101 cto->ct_flags |= CT_NO_DATA; 2102 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2103 cto->ct_flags |= CT_DATA_IN; 2104 } else { 2105 cto->ct_flags |= CT_DATA_OUT; 2106 } 2107 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 2108 cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR; 2109 cto->ct_scsi_status = cso->scsi_status; 2110 cto->ct_resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit - xfrlen; 2111 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d scsi status %x resid %d tag_id %x", __func__, 2112 cto->ct_fwhandle, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), cso->scsi_status, cso->resid, cso->tag_id); 2113 } 2114 ccb->ccb_h.flags &= ~CAM_SEND_SENSE; 2115 cto->ct_timeout = 10; 2116 } 2117 2118 if (isp_get_pcmd(isp, ccb)) { 2119 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 2120 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2121 break; 2122 } 2123 if (isp_allocate_xs_tgt(isp, ccb, &handle)) { 2124 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 2125 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2126 isp_free_pcmd(isp, ccb); 2127 break; 2128 } 2129 atp->bytes_in_transit += xfrlen; 2130 PISP_PCMD(ccb)->datalen = xfrlen; 2131 2132 2133 /* 2134 * Call the dma setup routines for this entry (and any subsequent 2135 * CTIOs) if there's data to move, and then tell the f/w it's got 2136 * new things to play with. As with isp_start's usage of DMA setup, 2137 * any swizzling is done in the machine dependent layer. Because 2138 * of this, we put the request onto the queue area first in native 2139 * format. 2140 */ 2141 2142 if (IS_24XX(isp)) { 2143 ct7_entry_t *cto = (ct7_entry_t *) local; 2144 cto->ct_syshandle = handle; 2145 } else if (IS_FC(isp)) { 2146 ct2_entry_t *cto = (ct2_entry_t *) local; 2147 cto->ct_syshandle = handle; 2148 } else { 2149 ct_entry_t *cto = (ct_entry_t *) local; 2150 cto->ct_syshandle = handle; 2151 } 2152 2153 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local); 2154 if (dmaresult != CMD_QUEUED) { 2155 isp_destroy_tgt_handle(isp, handle); 2156 isp_free_pcmd(isp, ccb); 2157 if (dmaresult == CMD_EAGAIN) { 2158 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2159 break; 2160 } 2161 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2162 xpt_done(ccb); 2163 continue; 2164 } 2165 isp->isp_nactive++; 2166 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 2167 if (xfrlen) { 2168 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 2169 } else { 2170 ccb->ccb_h.spriv_field0 = ~0; 2171 } 2172 atp->ctcnt++; 2173 atp->seqno++; 2174 } 2175 rls_lun_statep(isp, tptr); 2176 } 2177 2178 static void 2179 isp_refire_putback_atio(void *arg) 2180 { 2181 union ccb *ccb = arg; 2182 2183 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb)); 2184 isp_target_putback_atio(ccb); 2185 } 2186 2187 static void 2188 isp_refire_notify_ack(void *arg) 2189 { 2190 isp_tna_t *tp = arg; 2191 ispsoftc_t *isp = tp->isp; 2192 2193 ISP_ASSERT_LOCKED(isp); 2194 if (isp_notify_ack(isp, tp->not)) { 2195 callout_schedule(&tp->timer, 5); 2196 } else { 2197 free(tp, M_DEVBUF); 2198 } 2199 } 2200 2201 2202 static void 2203 isp_target_putback_atio(union ccb *ccb) 2204 { 2205 ispsoftc_t *isp; 2206 struct ccb_scsiio *cso; 2207 void *qe; 2208 2209 isp = XS_ISP(ccb); 2210 2211 qe = isp_getrqentry(isp); 2212 if (qe == NULL) { 2213 xpt_print(ccb->ccb_h.path, 2214 "%s: Request Queue Overflow\n", __func__); 2215 callout_reset(&PISP_PCMD(ccb)->wdog, 10, 2216 isp_refire_putback_atio, ccb); 2217 return; 2218 } 2219 memset(qe, 0, QENTRY_LEN); 2220 cso = &ccb->csio; 2221 if (IS_FC(isp)) { 2222 at2_entry_t local, *at = &local; 2223 ISP_MEMZERO(at, sizeof (at2_entry_t)); 2224 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 2225 at->at_header.rqs_entry_count = 1; 2226 if (ISP_CAP_SCCFW(isp)) { 2227 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 2228 } else { 2229 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 2230 } 2231 at->at_status = CT_OK; 2232 at->at_rxid = cso->tag_id; 2233 at->at_iid = cso->ccb_h.target_id; 2234 isp_put_atio2(isp, at, qe); 2235 } else { 2236 at_entry_t local, *at = &local; 2237 ISP_MEMZERO(at, sizeof (at_entry_t)); 2238 at->at_header.rqs_entry_type = RQSTYPE_ATIO; 2239 at->at_header.rqs_entry_count = 1; 2240 at->at_iid = cso->init_id; 2241 at->at_iid |= XS_CHANNEL(ccb) << 7; 2242 at->at_tgt = cso->ccb_h.target_id; 2243 at->at_lun = cso->ccb_h.target_lun; 2244 at->at_status = CT_OK; 2245 at->at_tag_val = AT_GET_TAG(cso->tag_id); 2246 at->at_handle = AT_GET_HANDLE(cso->tag_id); 2247 isp_put_atio(isp, at, qe); 2248 } 2249 ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe); 2250 ISP_SYNC_REQUEST(isp); 2251 isp_complete_ctio(ccb); 2252 } 2253 2254 static void 2255 isp_complete_ctio(union ccb *ccb) 2256 { 2257 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 2258 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2259 xpt_done(ccb); 2260 } 2261 } 2262 2263 /* 2264 * Handle ATIO stuff that the generic code can't. 2265 * This means handling CDBs. 2266 */ 2267 2268 static void 2269 isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep) 2270 { 2271 tstate_t *tptr; 2272 int status, bus; 2273 struct ccb_accept_tio *atiop; 2274 atio_private_data_t *atp; 2275 2276 /* 2277 * The firmware status (except for the QLTM_SVALID bit) 2278 * indicates why this ATIO was sent to us. 2279 * 2280 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 2281 * 2282 * If the DISCONNECTS DISABLED bit is set in the flags field, 2283 * we're still connected on the SCSI bus. 2284 */ 2285 status = aep->at_status; 2286 if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) { 2287 /* 2288 * Bus Phase Sequence error. We should have sense data 2289 * suggested by the f/w. I'm not sure quite yet what 2290 * to do about this for CAM. 2291 */ 2292 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR"); 2293 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2294 return; 2295 } 2296 if ((status & ~QLTM_SVALID) != AT_CDB) { 2297 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", status); 2298 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2299 return; 2300 } 2301 2302 bus = GET_BUS_VAL(aep->at_iid); 2303 tptr = get_lun_statep(isp, bus, aep->at_lun); 2304 if (tptr == NULL) { 2305 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 2306 if (tptr == NULL) { 2307 /* 2308 * Because we can't autofeed sense data back with 2309 * a command for parallel SCSI, we can't give back 2310 * a CHECK CONDITION. We'll give back a BUSY status 2311 * instead. This works out okay because the only 2312 * time we should, in fact, get this, is in the 2313 * case that somebody configured us without the 2314 * blackhole driver, so they get what they deserve. 2315 */ 2316 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2317 return; 2318 } 2319 } 2320 2321 atp = isp_get_atpd(isp, tptr, aep->at_handle); 2322 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2323 if (atiop == NULL || atp == NULL) { 2324 /* 2325 * Because we can't autofeed sense data back with 2326 * a command for parallel SCSI, we can't give back 2327 * a CHECK CONDITION. We'll give back a QUEUE FULL status 2328 * instead. This works out okay because the only time we 2329 * should, in fact, get this, is in the case that we've 2330 * run out of ATIOS. 2331 */ 2332 xpt_print(tptr->owner, "no %s for lun %d from initiator %d\n", (atp == NULL && atiop == NULL)? "ATIOs *or* ATPS" : 2333 ((atp == NULL)? "ATPs" : "ATIOs"), aep->at_lun, aep->at_iid); 2334 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2335 if (atp) { 2336 isp_put_atpd(isp, tptr, atp); 2337 } 2338 rls_lun_statep(isp, tptr); 2339 return; 2340 } 2341 atp->rxid = aep->at_tag_val; 2342 atp->state = ATPD_STATE_ATIO; 2343 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2344 tptr->atio_count--; 2345 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count); 2346 atiop->ccb_h.target_id = aep->at_tgt; 2347 atiop->ccb_h.target_lun = aep->at_lun; 2348 if (aep->at_flags & AT_NODISC) { 2349 atiop->ccb_h.flags |= CAM_DIS_DISCONNECT; 2350 } else { 2351 atiop->ccb_h.flags &= ~CAM_DIS_DISCONNECT; 2352 } 2353 2354 if (status & QLTM_SVALID) { 2355 size_t amt = ISP_MIN(QLTM_SENSELEN, sizeof (atiop->sense_data)); 2356 atiop->sense_len = amt; 2357 ISP_MEMCPY(&atiop->sense_data, aep->at_sense, amt); 2358 } else { 2359 atiop->sense_len = 0; 2360 } 2361 2362 atiop->init_id = GET_IID_VAL(aep->at_iid); 2363 atiop->cdb_len = aep->at_cdblen; 2364 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen); 2365 atiop->ccb_h.status = CAM_CDB_RECVD; 2366 /* 2367 * Construct a tag 'id' based upon tag value (which may be 0..255) 2368 * and the handle (which we have to preserve). 2369 */ 2370 atiop->tag_id = atp->tag; 2371 if (aep->at_flags & AT_TQAE) { 2372 atiop->tag_action = aep->at_tag_type; 2373 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID; 2374 } 2375 atp->orig_datalen = 0; 2376 atp->bytes_xfered = 0; 2377 atp->lun = aep->at_lun; 2378 atp->nphdl = aep->at_iid; 2379 atp->portid = PORT_NONE; 2380 atp->oxid = 0; 2381 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 2382 atp->tattr = aep->at_tag_type; 2383 atp->state = ATPD_STATE_CAM; 2384 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO[0x%x] CDB=0x%x lun %d", aep->at_tag_val, atp->cdb0, atp->lun); 2385 rls_lun_statep(isp, tptr); 2386 } 2387 2388 static void 2389 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep) 2390 { 2391 lun_id_t lun; 2392 fcportdb_t *lp; 2393 tstate_t *tptr; 2394 struct ccb_accept_tio *atiop; 2395 uint16_t nphdl; 2396 atio_private_data_t *atp; 2397 inot_private_data_t *ntp; 2398 2399 /* 2400 * The firmware status (except for the QLTM_SVALID bit) 2401 * indicates why this ATIO was sent to us. 2402 * 2403 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 2404 */ 2405 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 2406 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status); 2407 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2408 return; 2409 } 2410 2411 if (ISP_CAP_SCCFW(isp)) { 2412 lun = aep->at_scclun; 2413 } else { 2414 lun = aep->at_lun; 2415 } 2416 if (ISP_CAP_2KLOGIN(isp)) { 2417 nphdl = ((at2e_entry_t *)aep)->at_iid; 2418 } else { 2419 nphdl = aep->at_iid; 2420 } 2421 tptr = get_lun_statep(isp, 0, lun); 2422 if (tptr == NULL) { 2423 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 2424 if (tptr == NULL) { 2425 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun); 2426 if (lun == 0) { 2427 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2428 } else { 2429 isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 2430 } 2431 return; 2432 } 2433 } 2434 2435 /* 2436 * Start any commands pending resources first. 2437 */ 2438 if (tptr->restart_queue) { 2439 inot_private_data_t *restart_queue = tptr->restart_queue; 2440 tptr->restart_queue = NULL; 2441 while (restart_queue) { 2442 ntp = restart_queue; 2443 restart_queue = ntp->rd.nt.nt_hba; 2444 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid); 2445 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data); 2446 isp_put_ntpd(isp, tptr, ntp); 2447 /* 2448 * If a recursion caused the restart queue to start to fill again, 2449 * stop and splice the new list on top of the old list and restore 2450 * it and go to noresrc. 2451 */ 2452 if (tptr->restart_queue) { 2453 ntp = tptr->restart_queue; 2454 tptr->restart_queue = restart_queue; 2455 while (restart_queue->rd.nt.nt_hba) { 2456 restart_queue = restart_queue->rd.nt.nt_hba; 2457 } 2458 restart_queue->rd.nt.nt_hba = ntp; 2459 goto noresrc; 2460 } 2461 } 2462 } 2463 2464 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2465 if (atiop == NULL) { 2466 goto noresrc; 2467 } 2468 2469 atp = isp_get_atpd(isp, tptr, aep->at_rxid); 2470 if (atp == NULL) { 2471 goto noresrc; 2472 } 2473 2474 atp->state = ATPD_STATE_ATIO; 2475 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2476 tptr->atio_count--; 2477 isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count); 2478 atiop->ccb_h.target_id = FCPARAM(isp, 0)->isp_loopid; 2479 atiop->ccb_h.target_lun = lun; 2480 2481 /* 2482 * We don't get 'suggested' sense data as we do with SCSI cards. 2483 */ 2484 atiop->sense_len = 0; 2485 if (ISP_CAP_2KLOGIN(isp)) { 2486 /* 2487 * NB: We could not possibly have 2K logins if we 2488 * NB: also did not have SCC FW. 2489 */ 2490 atiop->init_id = ((at2e_entry_t *)aep)->at_iid; 2491 } else { 2492 atiop->init_id = aep->at_iid; 2493 } 2494 2495 /* 2496 * If we're not in the port database, add ourselves. 2497 */ 2498 if (!IS_2100(isp) && isp_find_pdb_by_loopid(isp, 0, atiop->init_id, &lp) == 0) { 2499 uint64_t iid = 2500 (((uint64_t) aep->at_wwpn[0]) << 48) | 2501 (((uint64_t) aep->at_wwpn[1]) << 32) | 2502 (((uint64_t) aep->at_wwpn[2]) << 16) | 2503 (((uint64_t) aep->at_wwpn[3]) << 0); 2504 isp_add_wwn_entry(isp, 0, iid, atiop->init_id, PORT_ANY, 0); 2505 } 2506 atiop->cdb_len = ATIO2_CDBLEN; 2507 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 2508 atiop->ccb_h.status = CAM_CDB_RECVD; 2509 atiop->tag_id = atp->tag; 2510 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 2511 case ATIO2_TC_ATTR_SIMPLEQ: 2512 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2513 atiop->tag_action = MSG_SIMPLE_Q_TAG; 2514 break; 2515 case ATIO2_TC_ATTR_HEADOFQ: 2516 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2517 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 2518 break; 2519 case ATIO2_TC_ATTR_ORDERED: 2520 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2521 atiop->tag_action = MSG_ORDERED_Q_TAG; 2522 break; 2523 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 2524 case ATIO2_TC_ATTR_UNTAGGED: 2525 default: 2526 atiop->tag_action = 0; 2527 break; 2528 } 2529 2530 atp->orig_datalen = aep->at_datalen; 2531 atp->bytes_xfered = 0; 2532 atp->lun = lun; 2533 atp->nphdl = atiop->init_id; 2534 atp->sid = PORT_ANY; 2535 atp->oxid = aep->at_oxid; 2536 atp->cdb0 = aep->at_cdb[0]; 2537 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 2538 atp->state = ATPD_STATE_CAM; 2539 xpt_done((union ccb *)atiop); 2540 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %jx datalen %u", aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 2541 rls_lun_statep(isp, tptr); 2542 return; 2543 noresrc: 2544 ntp = isp_get_ntpd(isp, tptr); 2545 if (ntp == NULL) { 2546 rls_lun_statep(isp, tptr); 2547 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 2548 return; 2549 } 2550 memcpy(ntp->rd.data, aep, QENTRY_LEN); 2551 ntp->rd.nt.nt_hba = tptr->restart_queue; 2552 tptr->restart_queue = ntp; 2553 rls_lun_statep(isp, tptr); 2554 } 2555 2556 static void 2557 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 2558 { 2559 int cdbxlen; 2560 uint16_t lun, chan, nphdl = NIL_HANDLE; 2561 uint32_t did, sid; 2562 uint64_t wwn = INI_NONE; 2563 fcportdb_t *lp; 2564 tstate_t *tptr; 2565 struct ccb_accept_tio *atiop; 2566 atio_private_data_t *atp = NULL; 2567 atio_private_data_t *oatp; 2568 inot_private_data_t *ntp; 2569 2570 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 2571 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2572 lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | aep->at_cmnd.fcp_cmnd_lun[1]; 2573 2574 /* 2575 * Find the N-port handle, and Virtual Port Index for this command. 2576 * 2577 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information. 2578 * We also, as a matter of course, need to know the WWN of the initiator too. 2579 */ 2580 if (ISP_CAP_MULTI_ID(isp)) { 2581 /* 2582 * Find the right channel based upon D_ID 2583 */ 2584 isp_find_chan_by_did(isp, did, &chan); 2585 2586 if (chan == ISP_NOCHAN) { 2587 NANOTIME_T now; 2588 2589 /* 2590 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup 2591 * It's a bit tricky here as we need to stash this command *somewhere*. 2592 */ 2593 GET_NANOTIME(&now); 2594 if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) { 2595 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did); 2596 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 2597 return; 2598 } 2599 tptr = get_lun_statep(isp, 0, 0); 2600 if (tptr == NULL) { 2601 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 2602 if (tptr == NULL) { 2603 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel and no tptr- dropping", __func__, aep->at_rxid, did); 2604 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 2605 return; 2606 } 2607 } 2608 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did); 2609 goto noresrc; 2610 } 2611 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x", __func__, aep->at_rxid, did, chan, sid); 2612 } else { 2613 chan = 0; 2614 } 2615 2616 /* 2617 * Find the PDB entry for this initiator 2618 */ 2619 if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) { 2620 /* 2621 * If we're not in the port database terminate the exchange. 2622 */ 2623 isp_prt(isp, ISP_LOGTINFO, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x wasn't in PDB already", 2624 __func__, aep->at_rxid, did, chan, sid); 2625 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 2626 return; 2627 } 2628 nphdl = lp->handle; 2629 wwn = lp->port_wwn; 2630 2631 /* 2632 * Get the tstate pointer 2633 */ 2634 tptr = get_lun_statep(isp, chan, lun); 2635 if (tptr == NULL) { 2636 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 2637 if (tptr == NULL) { 2638 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun); 2639 if (lun == 0) { 2640 isp_endcmd(isp, aep, nphdl, SCSI_STATUS_BUSY, 0); 2641 } else { 2642 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 2643 } 2644 return; 2645 } 2646 } 2647 2648 /* 2649 * Start any commands pending resources first. 2650 */ 2651 if (tptr->restart_queue) { 2652 inot_private_data_t *restart_queue = tptr->restart_queue; 2653 tptr->restart_queue = NULL; 2654 while (restart_queue) { 2655 ntp = restart_queue; 2656 restart_queue = ntp->rd.nt.nt_hba; 2657 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid); 2658 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data); 2659 isp_put_ntpd(isp, tptr, ntp); 2660 /* 2661 * If a recursion caused the restart queue to start to fill again, 2662 * stop and splice the new list on top of the old list and restore 2663 * it and go to noresrc. 2664 */ 2665 if (tptr->restart_queue) { 2666 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restart queue refilling", __func__); 2667 if (restart_queue) { 2668 ntp = tptr->restart_queue; 2669 tptr->restart_queue = restart_queue; 2670 while (restart_queue->rd.nt.nt_hba) { 2671 restart_queue = restart_queue->rd.nt.nt_hba; 2672 } 2673 restart_queue->rd.nt.nt_hba = ntp; 2674 } 2675 goto noresrc; 2676 } 2677 } 2678 } 2679 2680 /* 2681 * If the f/w is out of resources, just send a BUSY status back. 2682 */ 2683 if (aep->at_rxid == AT7_NORESRC_RXID) { 2684 rls_lun_statep(isp, tptr); 2685 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 2686 return; 2687 } 2688 2689 /* 2690 * If we're out of resources, just send a BUSY status back. 2691 */ 2692 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2693 if (atiop == NULL) { 2694 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 2695 goto noresrc; 2696 } 2697 2698 oatp = isp_find_atpd(isp, tptr, aep->at_rxid); 2699 if (oatp) { 2700 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] tag wraparound in isp_handle_platforms_atio7 (N-Port Handle 0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d", 2701 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 2702 /* 2703 * It's not a "no resource" condition- but we can treat it like one 2704 */ 2705 goto noresrc; 2706 } 2707 atp = isp_get_atpd(isp, tptr, aep->at_rxid); 2708 if (atp == NULL) { 2709 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 2710 goto noresrc; 2711 } 2712 atp->word3 = lp->prli_word3; 2713 atp->state = ATPD_STATE_ATIO; 2714 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2715 tptr->atio_count--; 2716 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count); 2717 atiop->init_id = nphdl; 2718 atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid; 2719 atiop->ccb_h.target_lun = lun; 2720 atiop->sense_len = 0; 2721 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 2722 if (cdbxlen) { 2723 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 2724 } 2725 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 2726 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 2727 atiop->cdb_len = cdbxlen; 2728 atiop->ccb_h.status = CAM_CDB_RECVD; 2729 atiop->tag_id = atp->tag; 2730 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 2731 case FCP_CMND_TASK_ATTR_SIMPLE: 2732 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2733 atiop->tag_action = MSG_SIMPLE_Q_TAG; 2734 break; 2735 case FCP_CMND_TASK_ATTR_HEAD: 2736 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2737 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 2738 break; 2739 case FCP_CMND_TASK_ATTR_ORDERED: 2740 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2741 atiop->tag_action = MSG_ORDERED_Q_TAG; 2742 break; 2743 default: 2744 /* FALLTHROUGH */ 2745 case FCP_CMND_TASK_ATTR_ACA: 2746 case FCP_CMND_TASK_ATTR_UNTAGGED: 2747 atiop->tag_action = 0; 2748 break; 2749 } 2750 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 2751 atp->bytes_xfered = 0; 2752 atp->lun = lun; 2753 atp->nphdl = nphdl; 2754 atp->portid = sid; 2755 atp->oxid = aep->at_hdr.ox_id; 2756 atp->rxid = aep->at_hdr.rx_id; 2757 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 2758 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 2759 atp->state = ATPD_STATE_CAM; 2760 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen); 2761 xpt_done((union ccb *)atiop); 2762 rls_lun_statep(isp, tptr); 2763 return; 2764 noresrc: 2765 if (atp) { 2766 isp_put_atpd(isp, tptr, atp); 2767 } 2768 ntp = isp_get_ntpd(isp, tptr); 2769 if (ntp == NULL) { 2770 rls_lun_statep(isp, tptr); 2771 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 2772 return; 2773 } 2774 memcpy(ntp->rd.data, aep, QENTRY_LEN); 2775 ntp->rd.nt.nt_hba = tptr->restart_queue; 2776 tptr->restart_queue = ntp; 2777 rls_lun_statep(isp, tptr); 2778 } 2779 2780 2781 /* 2782 * Handle starting an SRR (sequence retransmit request) 2783 * We get here when we've gotten the immediate notify 2784 * and the return of all outstanding CTIOs for this 2785 * transaction. 2786 */ 2787 static void 2788 isp_handle_srr_start(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp) 2789 { 2790 in_fcentry_24xx_t *inot; 2791 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 2792 union ccb *ccb; 2793 2794 inot = (in_fcentry_24xx_t *)atp->srr; 2795 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 2796 ccb = atp->srr_ccb; 2797 atp->srr_ccb = NULL; 2798 atp->nsrr++; 2799 if (ccb == NULL) { 2800 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 2801 goto fail; 2802 } 2803 2804 ccb_off = ccb->ccb_h.spriv_field0; 2805 ccb_len = ccb->csio.dxfer_len; 2806 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 2807 2808 switch (inot->in_srr_iu) { 2809 case R_CTL_INFO_SOLICITED_DATA: 2810 /* 2811 * We have to restart a FCP_DATA data out transaction 2812 */ 2813 atp->sendst = 0; 2814 atp->bytes_xfered = srr_off; 2815 if (ccb_len == 0) { 2816 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 2817 goto mdp; 2818 } 2819 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 2820 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x not covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end); 2821 goto mdp; 2822 } 2823 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end); 2824 break; 2825 case R_CTL_INFO_COMMAND_STATUS: 2826 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 2827 atp->sendst = 1; 2828 /* 2829 * We have to restart a FCP_RSP IU transaction 2830 */ 2831 break; 2832 case R_CTL_INFO_DATA_DESCRIPTOR: 2833 /* 2834 * We have to restart an FCP DATA in transaction 2835 */ 2836 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 2837 goto fail; 2838 2839 default: 2840 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 2841 goto fail; 2842 } 2843 2844 /* 2845 * We can't do anything until this is acked, so we might as well start it now. 2846 * We aren't going to do the usual asynchronous ack issue because we need 2847 * to make sure this gets on the wire first. 2848 */ 2849 if (isp_notify_ack(isp, inot)) { 2850 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2851 goto fail; 2852 } 2853 isp_target_start_ctio(isp, ccb, FROM_SRR); 2854 return; 2855 fail: 2856 inot->in_reserved = 1; 2857 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2858 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2859 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2860 isp_complete_ctio(ccb); 2861 return; 2862 mdp: 2863 if (isp_notify_ack(isp, inot)) { 2864 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2865 goto fail; 2866 } 2867 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2868 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2869 /* 2870 * This is not a strict interpretation of MDP, but it's close 2871 */ 2872 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2873 ccb->csio.msg_len = 7; 2874 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2875 ccb->csio.msg_ptr[1] = 5; 2876 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2877 ccb->csio.msg_ptr[3] = srr_off >> 24; 2878 ccb->csio.msg_ptr[4] = srr_off >> 16; 2879 ccb->csio.msg_ptr[5] = srr_off >> 8; 2880 ccb->csio.msg_ptr[6] = srr_off; 2881 isp_complete_ctio(ccb); 2882 } 2883 2884 2885 static void 2886 isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw) 2887 { 2888 tstate_t *tptr; 2889 in_fcentry_24xx_t *inot = inot_raw; 2890 atio_private_data_t *atp; 2891 uint32_t tag = inot->in_rxid; 2892 uint32_t bus = inot->in_vpidx; 2893 2894 if (!IS_24XX(isp)) { 2895 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw); 2896 return; 2897 } 2898 2899 tptr = get_lun_statep_from_tag(isp, bus, tag); 2900 if (tptr == NULL) { 2901 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x in SRR Notify", __func__, tag); 2902 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2903 return; 2904 } 2905 atp = isp_find_atpd(isp, tptr, tag); 2906 if (atp == NULL) { 2907 rls_lun_statep(isp, tptr); 2908 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag); 2909 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2910 return; 2911 } 2912 atp->srr_notify_rcvd = 1; 2913 memcpy(atp->srr, inot, sizeof (atp->srr)); 2914 isp_prt(isp, ISP_LOGTINFO /* ISP_LOGTDEBUG0 */, "SRR[0x%x] inot->in_rxid flags 0x%x srr_iu=%x reloff 0x%x", inot->in_rxid, inot->in_flags, inot->in_srr_iu, 2915 inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16)); 2916 if (atp->srr_ccb) 2917 isp_handle_srr_start(isp, tptr, atp); 2918 rls_lun_statep(isp, tptr); 2919 } 2920 2921 static void 2922 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2923 { 2924 union ccb *ccb; 2925 int sentstatus = 0, ok = 0, notify_cam = 0, resid = 0, failure = 0; 2926 tstate_t *tptr = NULL; 2927 atio_private_data_t *atp = NULL; 2928 int bus; 2929 uint32_t handle, moved_data = 0, data_requested; 2930 2931 /* 2932 * CTIO handles are 16 bits. 2933 * CTIO2 and CTIO7 are 32 bits. 2934 */ 2935 2936 if (IS_SCSI(isp)) { 2937 handle = ((ct_entry_t *)arg)->ct_syshandle; 2938 } else { 2939 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2940 } 2941 ccb = isp_find_xs_tgt(isp, handle); 2942 if (ccb == NULL) { 2943 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2944 return; 2945 } 2946 isp_destroy_tgt_handle(isp, handle); 2947 data_requested = PISP_PCMD(ccb)->datalen; 2948 isp_free_pcmd(isp, ccb); 2949 if (isp->isp_nactive) { 2950 isp->isp_nactive--; 2951 } 2952 2953 bus = XS_CHANNEL(ccb); 2954 tptr = get_lun_statep(isp, bus, XS_LUN(ccb)); 2955 if (tptr == NULL) { 2956 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 2957 } 2958 if (tptr == NULL) { 2959 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x after I/O", __func__, ccb->csio.tag_id); 2960 return; 2961 } 2962 2963 if (IS_24XX(isp)) { 2964 atp = isp_find_atpd(isp, tptr, ((ct7_entry_t *)arg)->ct_rxid); 2965 } else if (IS_FC(isp)) { 2966 atp = isp_find_atpd(isp, tptr, ((ct2_entry_t *)arg)->ct_rxid); 2967 } else { 2968 atp = isp_find_atpd(isp, tptr, ((ct_entry_t *)arg)->ct_fwhandle); 2969 } 2970 if (atp == NULL) { 2971 /* 2972 * In case of target mode disable at least ISP2532 return 2973 * invalid zero ct_rxid value. Try to workaround that using 2974 * tag_id from the CCB, pointed by valid ct_syshandle. 2975 */ 2976 atp = isp_find_atpd(isp, tptr, ccb->csio.tag_id); 2977 } 2978 if (atp == NULL) { 2979 rls_lun_statep(isp, tptr); 2980 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2981 return; 2982 } 2983 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2984 atp->bytes_in_transit -= data_requested; 2985 atp->ctcnt -= 1; 2986 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2987 2988 if (IS_24XX(isp)) { 2989 ct7_entry_t *ct = arg; 2990 2991 if (ct->ct_nphdl == CT7_SRR) { 2992 atp->srr_ccb = ccb; 2993 if (atp->srr_notify_rcvd) 2994 isp_handle_srr_start(isp, tptr, atp); 2995 rls_lun_statep(isp, tptr); 2996 return; 2997 } 2998 if (ct->ct_nphdl == CT_HBA_RESET) { 2999 failure = CAM_UNREC_HBA_ERROR; 3000 } else { 3001 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 3002 ok = (ct->ct_nphdl == CT7_OK); 3003 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 3004 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) { 3005 resid = ct->ct_resid; 3006 moved_data = data_requested - resid; 3007 } 3008 } 3009 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO7[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct), 3010 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 3011 } else if (IS_FC(isp)) { 3012 ct2_entry_t *ct = arg; 3013 if (ct->ct_status == CT_SRR) { 3014 atp->srr_ccb = ccb; 3015 if (atp->srr_notify_rcvd) 3016 isp_handle_srr_start(isp, tptr, atp); 3017 rls_lun_statep(isp, tptr); 3018 isp_target_putback_atio(ccb); 3019 return; 3020 } 3021 if (ct->ct_status == CT_HBA_RESET) { 3022 failure = CAM_UNREC_HBA_ERROR; 3023 } else { 3024 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 3025 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 3026 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 3027 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) { 3028 resid = ct->ct_resid; 3029 moved_data = data_requested - resid; 3030 } 3031 } 3032 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO2[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct), 3033 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 3034 } else { 3035 ct_entry_t *ct = arg; 3036 3037 if (ct->ct_status == (CT_HBA_RESET & 0xff)) { 3038 failure = CAM_UNREC_HBA_ERROR; 3039 } else { 3040 sentstatus = ct->ct_flags & CT_SENDSTATUS; 3041 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 3042 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 3043 } 3044 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) { 3045 resid = ct->ct_resid; 3046 moved_data = data_requested - resid; 3047 } 3048 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d tag %x S_ID 0x%x lun %d sts %x flg %x resid %d %s", __func__, ct->ct_fwhandle, ATPD_GET_SEQNO(ct), 3049 notify_cam, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID"); 3050 } 3051 if (ok) { 3052 if (moved_data) { 3053 atp->bytes_xfered += moved_data; 3054 ccb->csio.resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 3055 } 3056 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) { 3057 ccb->ccb_h.status |= CAM_SENT_SENSE; 3058 } 3059 ccb->ccb_h.status |= CAM_REQ_CMP; 3060 } else { 3061 notify_cam = 1; 3062 if (failure == CAM_UNREC_HBA_ERROR) 3063 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 3064 else 3065 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 3066 } 3067 atp->state = ATPD_STATE_PDON; 3068 rls_lun_statep(isp, tptr); 3069 3070 /* 3071 * We never *not* notify CAM when there has been any error (ok == 0), 3072 * so we never need to do an ATIO putback if we're not notifying CAM. 3073 */ 3074 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 3075 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 3076 if (notify_cam == 0) { 3077 if (atp->sendst) { 3078 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 3079 } 3080 return; 3081 } 3082 3083 /* 3084 * We're telling CAM we're done with this CTIO transaction. 3085 * 3086 * 24XX cards never need an ATIO put back. 3087 * 3088 * Other cards need one put back only on error. 3089 * In the latter case, a timeout will re-fire 3090 * and try again in case we didn't have 3091 * queue resources to do so at first. In any case, 3092 * once the putback is done we do the completion 3093 * call. 3094 */ 3095 if (ok || IS_24XX(isp)) { 3096 isp_complete_ctio(ccb); 3097 } else { 3098 isp_target_putback_atio(ccb); 3099 } 3100 } 3101 3102 static void 3103 isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot) 3104 { 3105 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3106 } 3107 3108 static void 3109 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp) 3110 { 3111 int needack = 1; 3112 switch (inp->in_status) { 3113 case IN_PORT_LOGOUT: 3114 /* 3115 * XXX: Need to delete this initiator's WWN from the database 3116 * XXX: Need to send this LOGOUT upstream 3117 */ 3118 isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid); 3119 break; 3120 case IN_PORT_CHANGED: 3121 isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid); 3122 break; 3123 case IN_GLOBAL_LOGO: 3124 isp_del_all_wwn_entries(isp, 0); 3125 isp_prt(isp, ISP_LOGINFO, "all ports logged out"); 3126 break; 3127 case IN_ABORT_TASK: 3128 { 3129 tstate_t *tptr; 3130 uint16_t lun; 3131 uint32_t loopid; 3132 uint64_t wwn; 3133 atio_private_data_t *atp; 3134 fcportdb_t *lp; 3135 struct ccb_immediate_notify *inot = NULL; 3136 3137 if (ISP_CAP_SCCFW(isp)) { 3138 lun = inp->in_scclun; 3139 } else { 3140 lun = inp->in_lun; 3141 } 3142 if (ISP_CAP_2KLOGIN(isp)) { 3143 loopid = ((in_fcentry_e_t *)inp)->in_iid; 3144 } else { 3145 loopid = inp->in_iid; 3146 } 3147 if (isp_find_pdb_by_loopid(isp, 0, loopid, &lp)) { 3148 wwn = lp->port_wwn; 3149 } else { 3150 wwn = INI_ANY; 3151 } 3152 tptr = get_lun_statep(isp, 0, lun); 3153 if (tptr == NULL) { 3154 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 3155 if (tptr == NULL) { 3156 isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun); 3157 return; 3158 } 3159 } 3160 atp = isp_find_atpd(isp, tptr, inp->in_seqid); 3161 3162 if (atp) { 3163 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 3164 isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state); 3165 if (inot) { 3166 tptr->inot_count--; 3167 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 3168 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count); 3169 } else { 3170 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "out of INOT structures\n"); 3171 } 3172 } else { 3173 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn); 3174 } 3175 if (inot) { 3176 isp_notify_t tmp, *nt = &tmp; 3177 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 3178 nt->nt_hba = isp; 3179 nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn; 3180 nt->nt_wwn = wwn; 3181 nt->nt_nphdl = loopid; 3182 nt->nt_sid = PORT_ANY; 3183 nt->nt_did = PORT_ANY; 3184 nt->nt_lun = lun; 3185 nt->nt_need_ack = 1; 3186 nt->nt_channel = 0; 3187 nt->nt_ncode = NT_ABORT_TASK; 3188 nt->nt_lreserved = inot; 3189 isp_handle_platform_target_tmf(isp, nt); 3190 needack = 0; 3191 } 3192 rls_lun_statep(isp, tptr); 3193 break; 3194 } 3195 default: 3196 break; 3197 } 3198 if (needack) { 3199 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp); 3200 } 3201 } 3202 3203 static void 3204 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot) 3205 { 3206 uint16_t nphdl; 3207 uint16_t prli_options = 0; 3208 uint32_t portid; 3209 fcportdb_t *lp; 3210 uint8_t *ptr = NULL; 3211 uint64_t wwn; 3212 3213 nphdl = inot->in_nphdl; 3214 if (nphdl != NIL_HANDLE) { 3215 portid = inot->in_portid_hi << 16 | inot->in_portid_lo; 3216 } else { 3217 portid = PORT_ANY; 3218 } 3219 3220 switch (inot->in_status) { 3221 case IN24XX_ELS_RCVD: 3222 { 3223 char buf[16], *msg; 3224 int chan = ISP_GET_VPIDX(isp, inot->in_vpidx); 3225 3226 /* 3227 * Note that we're just getting notification that an ELS was received 3228 * (possibly with some associated information sent upstream). This is 3229 * *not* the same as being given the ELS frame to accept or reject. 3230 */ 3231 switch (inot->in_status_subcode) { 3232 case LOGO: 3233 msg = "LOGO"; 3234 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) { 3235 ptr = (uint8_t *)inot; /* point to unswizzled entry! */ 3236 wwn = (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF]) << 56) | 3237 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+1]) << 48) | 3238 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+2]) << 40) | 3239 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+3]) << 32) | 3240 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+4]) << 24) | 3241 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+5]) << 16) | 3242 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+6]) << 8) | 3243 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+7])); 3244 } else { 3245 wwn = INI_ANY; 3246 } 3247 isp_del_wwn_entry(isp, chan, wwn, nphdl, portid); 3248 break; 3249 case PRLO: 3250 msg = "PRLO"; 3251 break; 3252 case PLOGI: 3253 case PRLI: 3254 /* 3255 * Treat PRLI the same as PLOGI and make a database entry for it. 3256 */ 3257 if (inot->in_status_subcode == PLOGI) { 3258 msg = "PLOGI"; 3259 } else { 3260 prli_options = inot->in_prli_options; 3261 msg = "PRLI"; 3262 } 3263 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) { 3264 ptr = (uint8_t *)inot; /* point to unswizzled entry! */ 3265 wwn = (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF]) << 56) | 3266 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+1]) << 48) | 3267 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+2]) << 40) | 3268 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+3]) << 32) | 3269 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+4]) << 24) | 3270 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+5]) << 16) | 3271 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+6]) << 8) | 3272 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+7])); 3273 } else { 3274 wwn = INI_NONE; 3275 } 3276 isp_add_wwn_entry(isp, chan, wwn, nphdl, portid, prli_options); 3277 break; 3278 case PDISC: 3279 msg = "PDISC"; 3280 break; 3281 case ADISC: 3282 msg = "ADISC"; 3283 break; 3284 default: 3285 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode); 3286 msg = buf; 3287 break; 3288 } 3289 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) { 3290 isp_prt(isp, ISP_LOGERR, "%s Chan %d ELS N-port handle %x PortID 0x%06x marked as needing a PUREX response", msg, chan, nphdl, portid); 3291 break; 3292 } 3293 isp_prt(isp, ISP_LOGTDEBUG0, "%s Chan %d ELS N-port handle %x PortID 0x%06x RX_ID 0x%x OX_ID 0x%x", msg, chan, nphdl, portid, 3294 inot->in_rxid, inot->in_oxid); 3295 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3296 break; 3297 } 3298 3299 case IN24XX_PORT_LOGOUT: 3300 ptr = "PORT LOGOUT"; 3301 if (isp_find_pdb_by_loopid(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) { 3302 isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid); 3303 } 3304 /* FALLTHROUGH */ 3305 case IN24XX_PORT_CHANGED: 3306 if (ptr == NULL) { 3307 ptr = "PORT CHANGED"; 3308 } 3309 /* FALLTHROUGH */ 3310 case IN24XX_LIP_RESET: 3311 if (ptr == NULL) { 3312 ptr = "LIP RESET"; 3313 } 3314 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for N-port handle 0x%x", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr, inot->in_status_subcode, nphdl); 3315 3316 /* 3317 * All subcodes here are irrelevant. What is relevant 3318 * is that we need to terminate all active commands from 3319 * this initiator (known by N-port handle). 3320 */ 3321 /* XXX IMPLEMENT XXX */ 3322 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3323 break; 3324 3325 case IN24XX_SRR_RCVD: 3326 #ifdef ISP_TARGET_MODE 3327 isp_handle_srr_notify(isp, inot); 3328 break; 3329 #else 3330 if (ptr == NULL) { 3331 ptr = "SRR RCVD"; 3332 } 3333 /* FALLTHROUGH */ 3334 #endif 3335 case IN24XX_LINK_RESET: 3336 if (ptr == NULL) { 3337 ptr = "LINK RESET"; 3338 } 3339 case IN24XX_LINK_FAILED: 3340 if (ptr == NULL) { 3341 ptr = "LINK FAILED"; 3342 } 3343 default: 3344 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr); 3345 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3346 break; 3347 } 3348 } 3349 3350 static int 3351 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp) 3352 { 3353 3354 if (isp->isp_state != ISP_RUNSTATE) { 3355 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 3356 return (0); 3357 } 3358 3359 /* 3360 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 3361 */ 3362 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 3363 ct7_entry_t local, *cto = &local; 3364 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 3365 fcportdb_t *lp; 3366 uint32_t sid; 3367 uint16_t nphdl; 3368 3369 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 3370 if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) { 3371 nphdl = lp->handle; 3372 } else { 3373 nphdl = NIL_HANDLE; 3374 } 3375 ISP_MEMZERO(&local, sizeof (local)); 3376 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 3377 cto->ct_header.rqs_entry_count = 1; 3378 cto->ct_nphdl = nphdl; 3379 cto->ct_rxid = aep->at_rxid; 3380 cto->ct_vpidx = mp->nt_channel; 3381 cto->ct_iid_lo = sid; 3382 cto->ct_iid_hi = sid >> 16; 3383 cto->ct_oxid = aep->at_hdr.ox_id; 3384 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 3385 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 3386 return (isp_target_put_entry(isp, &local)); 3387 } 3388 3389 /* 3390 * This case is for a responding to an ABTS frame 3391 */ 3392 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 3393 3394 /* 3395 * Overload nt_need_ack here to mark whether we've terminated the associated command. 3396 */ 3397 if (mp->nt_need_ack) { 3398 uint8_t storage[QENTRY_LEN]; 3399 ct7_entry_t *cto = (ct7_entry_t *) storage; 3400 abts_t *abts = (abts_t *)mp->nt_lreserved; 3401 3402 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 3403 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 3404 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 3405 cto->ct_header.rqs_entry_count = 1; 3406 cto->ct_nphdl = mp->nt_nphdl; 3407 cto->ct_rxid = abts->abts_rxid_task; 3408 cto->ct_iid_lo = mp->nt_sid; 3409 cto->ct_iid_hi = mp->nt_sid >> 16; 3410 cto->ct_oxid = abts->abts_ox_id; 3411 cto->ct_vpidx = mp->nt_channel; 3412 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 3413 if (isp_target_put_entry(isp, cto)) { 3414 return (ENOMEM); 3415 } 3416 mp->nt_need_ack = 0; 3417 } 3418 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 3419 return (ENOMEM); 3420 } else { 3421 return (0); 3422 } 3423 } 3424 3425 /* 3426 * Handle logout cases here 3427 */ 3428 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 3429 isp_del_all_wwn_entries(isp, mp->nt_channel); 3430 } 3431 3432 if (mp->nt_ncode == NT_LOGOUT) { 3433 if (!IS_2100(isp) && IS_FC(isp)) { 3434 isp_del_wwn_entries(isp, mp); 3435 } 3436 } 3437 3438 /* 3439 * General purpose acknowledgement 3440 */ 3441 if (mp->nt_need_ack) { 3442 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 3443 /* 3444 * Don't need to use the guaranteed send because the caller can retry 3445 */ 3446 return (isp_notify_ack(isp, mp->nt_lreserved)); 3447 } 3448 return (0); 3449 } 3450 3451 /* 3452 * Handle task management functions. 3453 * 3454 * We show up here with a notify structure filled out. 3455 * 3456 * The nt_lreserved tag points to the original queue entry 3457 */ 3458 static void 3459 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 3460 { 3461 tstate_t *tptr; 3462 fcportdb_t *lp; 3463 struct ccb_immediate_notify *inot; 3464 inot_private_data_t *ntp = NULL; 3465 lun_id_t lun; 3466 3467 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode, 3468 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 3469 /* 3470 * NB: This assignment is necessary because of tricky type conversion. 3471 * XXX: This is tricky and I need to check this. If the lun isn't known 3472 * XXX: for the task management function, it does not of necessity follow 3473 * XXX: that it should go up stream to the wildcard listener. 3474 */ 3475 if (notify->nt_lun == LUN_ANY) { 3476 lun = CAM_LUN_WILDCARD; 3477 } else { 3478 lun = notify->nt_lun; 3479 } 3480 tptr = get_lun_statep(isp, notify->nt_channel, lun); 3481 if (tptr == NULL) { 3482 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 3483 if (tptr == NULL) { 3484 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 3485 goto bad; 3486 } 3487 } 3488 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 3489 if (inot == NULL) { 3490 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 3491 goto bad; 3492 } 3493 3494 if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0) { 3495 inot->initiator_id = CAM_TARGET_WILDCARD; 3496 } else { 3497 inot->initiator_id = lp->handle; 3498 } 3499 inot->seq_id = notify->nt_tagval; 3500 inot->tag_id = notify->nt_tagval >> 32; 3501 3502 switch (notify->nt_ncode) { 3503 case NT_ABORT_TASK: 3504 isp_target_mark_aborted_early(isp, tptr, inot->tag_id); 3505 inot->arg = MSG_ABORT_TASK; 3506 break; 3507 case NT_ABORT_TASK_SET: 3508 isp_target_mark_aborted_early(isp, tptr, TAG_ANY); 3509 inot->arg = MSG_ABORT_TASK_SET; 3510 break; 3511 case NT_CLEAR_ACA: 3512 inot->arg = MSG_CLEAR_ACA; 3513 break; 3514 case NT_CLEAR_TASK_SET: 3515 inot->arg = MSG_CLEAR_TASK_SET; 3516 break; 3517 case NT_LUN_RESET: 3518 inot->arg = MSG_LOGICAL_UNIT_RESET; 3519 break; 3520 case NT_TARGET_RESET: 3521 inot->arg = MSG_TARGET_RESET; 3522 break; 3523 default: 3524 isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun %#jx", __func__, notify->nt_ncode, notify->nt_channel, (uintmax_t)lun); 3525 goto bad; 3526 } 3527 3528 ntp = isp_get_ntpd(isp, tptr); 3529 if (ntp == NULL) { 3530 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 3531 goto bad; 3532 } 3533 ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t)); 3534 if (notify->nt_lreserved) { 3535 ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN); 3536 ntp->rd.nt.nt_lreserved = &ntp->rd.data; 3537 } 3538 ntp->rd.seq_id = notify->nt_tagval; 3539 ntp->rd.tag_id = notify->nt_tagval >> 32; 3540 3541 tptr->inot_count--; 3542 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 3543 rls_lun_statep(isp, tptr); 3544 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count); 3545 inot->ccb_h.status = CAM_MESSAGE_RECV; 3546 xpt_done((union ccb *)inot); 3547 return; 3548 bad: 3549 if (tptr) { 3550 rls_lun_statep(isp, tptr); 3551 } 3552 if (notify->nt_need_ack && notify->nt_lreserved) { 3553 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 3554 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 3555 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 3556 } 3557 } else { 3558 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 3559 } 3560 } 3561 } 3562 3563 /* 3564 * Find the associated private data and mark it as dead so 3565 * we don't try to work on it any further. 3566 */ 3567 static void 3568 isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb) 3569 { 3570 tstate_t *tptr; 3571 atio_private_data_t *atp; 3572 union ccb *accb = ccb->cab.abort_ccb; 3573 3574 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 3575 if (tptr == NULL) { 3576 tptr = get_lun_statep(isp, XS_CHANNEL(accb), CAM_LUN_WILDCARD); 3577 if (tptr == NULL) { 3578 ccb->ccb_h.status = CAM_REQ_INVALID; 3579 return; 3580 } 3581 } 3582 3583 atp = isp_find_atpd(isp, tptr, accb->atio.tag_id); 3584 if (atp == NULL) { 3585 ccb->ccb_h.status = CAM_REQ_INVALID; 3586 } else { 3587 atp->dead = 1; 3588 ccb->ccb_h.status = CAM_REQ_CMP; 3589 } 3590 rls_lun_statep(isp, tptr); 3591 } 3592 3593 static void 3594 isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id) 3595 { 3596 atio_private_data_t *atp; 3597 inot_private_data_t *restart_queue = tptr->restart_queue; 3598 3599 /* 3600 * First, clean any commands pending restart 3601 */ 3602 tptr->restart_queue = NULL; 3603 while (restart_queue) { 3604 uint32_t this_tag_id; 3605 inot_private_data_t *ntp = restart_queue; 3606 3607 restart_queue = ntp->rd.nt.nt_hba; 3608 3609 if (IS_24XX(isp)) { 3610 this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid; 3611 } else { 3612 this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid; 3613 } 3614 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 3615 isp_put_ntpd(isp, tptr, ntp); 3616 } else { 3617 ntp->rd.nt.nt_hba = tptr->restart_queue; 3618 tptr->restart_queue = ntp; 3619 } 3620 } 3621 3622 /* 3623 * Now mark other ones dead as well. 3624 */ 3625 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) { 3626 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) { 3627 atp->dead = 1; 3628 } 3629 } 3630 } 3631 3632 3633 #ifdef ISP_INTERNAL_TARGET 3634 //#define ISP_SEPARATE_STATUS 1 3635 #define ISP_MULTI_CCBS 1 3636 #if defined(ISP_MULTI_CCBS) && !defined(ISP_SEPARATE_STATUS) 3637 #define ISP_SEPARATE_STATUS 1 3638 #endif 3639 3640 typedef struct periph_private_data_t { 3641 union ccb *ccb; /* original ATIO or Immediate Notify */ 3642 unsigned long offset; /* current offset */ 3643 int sequence; /* current CTIO sequence */ 3644 int ctio_cnt; /* current # of ctio's outstanding */ 3645 int 3646 status_sent : 1, 3647 on_queue : 1; /* on restart queue */ 3648 } ppd_t; 3649 /* 3650 * Each ATIO we allocate will have periph private data associated with it 3651 * that maintains per-command state. This private to each ATIO. 3652 */ 3653 #define ATIO_PPD(ccb) ((ppd_t *)(((struct ccb_hdr *)ccb)->ppriv_ptr0)) 3654 /* 3655 * Each CTIO we send downstream will get a pointer to the ATIO itself 3656 * so that on completion we can retrieve that pointer. 3657 */ 3658 #define ccb_atio ppriv_ptr1 3659 #define ccb_inot ppriv_ptr1 3660 3661 /* 3662 * Each CTIO we send downstream will contain a sequence number 3663 */ 3664 #define CTIO_SEQ(ccb) ccb->ccb_h.ppriv_field0 3665 3666 #define MAX_ISP_TARG_TRANSFER (2 << 20) 3667 #define NISP_TARG_CMDS 64 3668 #define NISP_TARG_NOTIFIES 64 3669 #define DISK_SHIFT 9 3670 #define JUNK_SIZE 256 3671 #define MULTI_CCB_DATA_LIM 8192 3672 //#define MULTI_CCB_DATA_CNT 64 3673 #define MULTI_CCB_DATA_CNT 8 3674 3675 extern u_int vm_kmem_size; 3676 static int ca; 3677 static uint32_t disk_size; 3678 static uint8_t *disk_data = NULL; 3679 static uint8_t *junk_data; 3680 static MALLOC_DEFINE(M_ISPTARG, "ISPTARG", "ISP TARGET data"); 3681 struct isptarg_softc { 3682 /* CCBs (CTIOs, ATIOs, INOTs) pending on the controller */ 3683 struct isp_ccbq work_queue; 3684 struct isp_ccbq rework_queue; 3685 struct isp_ccbq running_queue; 3686 struct isp_ccbq inot_queue; 3687 struct cam_periph *periph; 3688 struct cam_path *path; 3689 ispsoftc_t *isp; 3690 }; 3691 static periph_ctor_t isptargctor; 3692 static periph_dtor_t isptargdtor; 3693 static periph_start_t isptargstart; 3694 static periph_init_t isptarginit; 3695 static void isptarg_done(struct cam_periph *, union ccb *); 3696 static void isptargasync(void *, u_int32_t, struct cam_path *, void *); 3697 3698 3699 static int isptarg_rwparm(uint8_t *, uint8_t *, uint64_t, uint32_t, uint8_t **, uint32_t *, int *); 3700 3701 static struct periph_driver isptargdriver = 3702 { 3703 isptarginit, "isptarg", TAILQ_HEAD_INITIALIZER(isptargdriver.units), 0 3704 }; 3705 3706 static void 3707 isptarginit(void) 3708 { 3709 } 3710 3711 static void 3712 isptargnotify(ispsoftc_t *isp, union ccb *iccb, struct ccb_immediate_notify *inot) 3713 { 3714 struct ccb_notify_acknowledge *ack = &iccb->cna2; 3715 3716 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: [0x%x] immediate notify for 0x%x from 0x%x status 0x%x arg 0x%x\n", __func__, 3717 inot->tag_id, inot->initiator_id, inot->seq_id, inot->ccb_h.status, inot->arg); 3718 ack->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 3719 ack->ccb_h.flags = 0; 3720 ack->ccb_h.retry_count = 0; 3721 ack->ccb_h.cbfcnp = isptarg_done; 3722 ack->ccb_h.timeout = 0; 3723 ack->ccb_h.ccb_inot = inot; 3724 ack->tag_id = inot->tag_id; 3725 ack->seq_id = inot->seq_id; 3726 ack->initiator_id = inot->initiator_id; 3727 xpt_action(iccb); 3728 } 3729 3730 static void 3731 isptargstart(struct cam_periph *periph, union ccb *iccb) 3732 { 3733 const uint8_t niliqd[SHORT_INQUIRY_LENGTH] = { 3734 0x7f, 0x0, 0x5, 0x2, 32, 0, 0, 0x32, 3735 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 3736 'S', 'C', 'S', 'I', ' ', 'N', 'U', 'L', 3737 'L', ' ', 'D', 'E', 'V', 'I', 'C', 'E', 3738 '0', '0', '0', '1' 3739 }; 3740 const uint8_t iqd[SHORT_INQUIRY_LENGTH] = { 3741 0, 0x0, 0x5, 0x2, 32, 0, 0, 0x32, 3742 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 3743 'S', 'C', 'S', 'I', ' ', 'M', 'E', 'M', 3744 'O', 'R', 'Y', ' ', 'D', 'I', 'S', 'K', 3745 '0', '0', '0', '1' 3746 }; 3747 int r, i, more = 0, last, is_data_cmd = 0, is_write; 3748 char *queue; 3749 struct isptarg_softc *softc = periph->softc; 3750 struct ccb_scsiio *csio; 3751 lun_id_t return_lun; 3752 struct ccb_accept_tio *atio; 3753 uint8_t *cdb, *ptr, status; 3754 uint8_t *data_ptr; 3755 uint32_t data_len, flags; 3756 struct ccb_hdr *ccbh; 3757 3758 mtx_assert(periph->sim->mtx, MA_OWNED); 3759 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, iccb->ccb_h.path, "%s: function code 0x%x INOTQ=%c WORKQ=%c REWORKQ=%c\n", __func__, iccb->ccb_h.func_code, 3760 TAILQ_FIRST(&softc->inot_queue)? 'y' : 'n', TAILQ_FIRST(&softc->work_queue)? 'y' : 'n', TAILQ_FIRST(&softc->rework_queue)? 'y' : 'n'); 3761 /* 3762 * Check for immediate notifies first 3763 */ 3764 ccbh = TAILQ_FIRST(&softc->inot_queue); 3765 if (ccbh) { 3766 TAILQ_REMOVE(&softc->inot_queue, ccbh, periph_links.tqe); 3767 if (TAILQ_FIRST(&softc->inot_queue) || TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue)) { 3768 xpt_schedule(periph, 1); 3769 } 3770 isptargnotify(softc->isp, iccb, (struct ccb_immediate_notify *)ccbh); 3771 return; 3772 } 3773 3774 /* 3775 * Check the rework (continuation) work queue first. 3776 */ 3777 ccbh = TAILQ_FIRST(&softc->rework_queue); 3778 if (ccbh) { 3779 atio = (struct ccb_accept_tio *)ccbh; 3780 TAILQ_REMOVE(&softc->rework_queue, ccbh, periph_links.tqe); 3781 more = TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue); 3782 queue = "rework"; 3783 } else { 3784 ccbh = TAILQ_FIRST(&softc->work_queue); 3785 if (ccbh == NULL) { 3786 xpt_release_ccb(iccb); 3787 return; 3788 } 3789 atio = (struct ccb_accept_tio *)ccbh; 3790 TAILQ_REMOVE(&softc->work_queue, ccbh, periph_links.tqe); 3791 more = TAILQ_FIRST(&softc->work_queue) != NULL; 3792 queue = "work"; 3793 } 3794 ATIO_PPD(atio)->on_queue = 0; 3795 3796 if (atio->tag_id == 0xffffffff || atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) { 3797 panic("BAD ATIO"); 3798 } 3799 3800 data_len = is_write = 0; 3801 data_ptr = NULL; 3802 csio = &iccb->csio; 3803 status = SCSI_STATUS_OK; 3804 flags = CAM_SEND_STATUS; 3805 memset(&atio->sense_data, 0, sizeof (atio->sense_data)); 3806 cdb = atio->cdb_io.cdb_bytes; 3807 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, ccbh->path, "%s: [0x%x] processing ATIO from %s queue initiator 0x%x CDB=0x%x data_offset=%u\n", __func__, atio->tag_id, 3808 queue, atio->init_id, cdb[0], ATIO_PPD(atio)->offset); 3809 3810 return_lun = XS_LUN(atio); 3811 if (return_lun != 0) { 3812 xpt_print(atio->ccb_h.path, "[0x%x] Non-Zero Lun %d: cdb0=0x%x\n", atio->tag_id, return_lun, cdb[0]); 3813 if (cdb[0] != INQUIRY && cdb[0] != REPORT_LUNS && cdb[0] != REQUEST_SENSE) { 3814 status = SCSI_STATUS_CHECK_COND; 3815 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3816 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3817 SDFIXED(atio->sense_data)->add_sense_code = 0x25; /* LOGICAL UNIT NOT SUPPORTED */ 3818 atio->sense_len = SSD_MIN_SIZE; 3819 } 3820 return_lun = CAM_LUN_WILDCARD; 3821 } 3822 3823 switch (cdb[0]) { 3824 case REQUEST_SENSE: 3825 flags |= CAM_DIR_IN; 3826 data_len = sizeof (atio->sense_data); 3827 junk_data[0] = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_NO_SENSE; 3828 memset(junk_data+1, 0, data_len-1); 3829 if (data_len > cdb[4]) { 3830 data_len = cdb[4]; 3831 } 3832 if (data_len) { 3833 data_ptr = junk_data; 3834 } 3835 break; 3836 case WRITE_6: 3837 case WRITE_10: 3838 case WRITE_12: 3839 case WRITE_16: 3840 is_write = 1; 3841 /* FALLTHROUGH */ 3842 case READ_6: 3843 case READ_10: 3844 case READ_12: 3845 case READ_16: 3846 is_data_cmd = 1; 3847 r = isptarg_rwparm(cdb, disk_data, disk_size, ATIO_PPD(atio)->offset, &data_ptr, &data_len, &last); 3848 if (r != 0) { 3849 status = SCSI_STATUS_CHECK_COND; 3850 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3851 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3852 if (r == -1) { 3853 SDFIXED(atio->sense_data)->add_sense_code = 0x21; /* LOGICAL BLOCK ADDRESS OUT OF RANGE */ 3854 } else { 3855 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */ 3856 } 3857 atio->sense_len = SSD_MIN_SIZE; 3858 } else { 3859 #ifdef ISP_SEPARATE_STATUS 3860 if (last && data_len) { 3861 last = 0; 3862 } 3863 #endif 3864 if (last == 0) { 3865 flags &= ~CAM_SEND_STATUS; 3866 } 3867 if (data_len) { 3868 ATIO_PPD(atio)->offset += data_len; 3869 if (is_write) 3870 flags |= CAM_DIR_OUT; 3871 else 3872 flags |= CAM_DIR_IN; 3873 } else { 3874 flags |= CAM_DIR_NONE; 3875 } 3876 } 3877 break; 3878 case INQUIRY: 3879 flags |= CAM_DIR_IN; 3880 if (cdb[1] || cdb[2] || cdb[3]) { 3881 status = SCSI_STATUS_CHECK_COND; 3882 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3883 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION; 3884 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */ 3885 atio->sense_len = SSD_MIN_SIZE; 3886 break; 3887 } 3888 data_len = sizeof (iqd); 3889 if (data_len > cdb[4]) { 3890 data_len = cdb[4]; 3891 } 3892 if (data_len) { 3893 if (XS_LUN(iccb) != 0) { 3894 memcpy(junk_data, niliqd, sizeof (iqd)); 3895 } else { 3896 memcpy(junk_data, iqd, sizeof (iqd)); 3897 } 3898 data_ptr = junk_data; 3899 } 3900 break; 3901 case TEST_UNIT_READY: 3902 flags |= CAM_DIR_NONE; 3903 if (ca) { 3904 ca = 0; 3905 status = SCSI_STATUS_CHECK_COND; 3906 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3907 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION; 3908 SDFIXED(atio->sense_data)->add_sense_code = 0x29; /* POWER ON, RESET, OR BUS DEVICE RESET OCCURRED */ 3909 atio->sense_len = SSD_MIN_SIZE; 3910 } 3911 break; 3912 case SYNCHRONIZE_CACHE: 3913 case START_STOP: 3914 case RESERVE: 3915 case RELEASE: 3916 case VERIFY_10: 3917 flags |= CAM_DIR_NONE; 3918 break; 3919 3920 case READ_CAPACITY: 3921 flags |= CAM_DIR_IN; 3922 if (cdb[2] || cdb[3] || cdb[4] || cdb[5]) { 3923 status = SCSI_STATUS_CHECK_COND; 3924 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3925 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3926 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */ 3927 atio->sense_len = SSD_MIN_SIZE; 3928 break; 3929 } 3930 if (cdb[8] & 0x1) { /* PMI */ 3931 junk_data[0] = 0xff; 3932 junk_data[1] = 0xff; 3933 junk_data[2] = 0xff; 3934 junk_data[3] = 0xff; 3935 } else { 3936 uint64_t last_blk = (disk_size >> DISK_SHIFT) - 1; 3937 if (last_blk < 0xffffffffULL) { 3938 junk_data[0] = (last_blk >> 24) & 0xff; 3939 junk_data[1] = (last_blk >> 16) & 0xff; 3940 junk_data[2] = (last_blk >> 8) & 0xff; 3941 junk_data[3] = (last_blk) & 0xff; 3942 } else { 3943 junk_data[0] = 0xff; 3944 junk_data[1] = 0xff; 3945 junk_data[2] = 0xff; 3946 junk_data[3] = 0xff; 3947 } 3948 } 3949 junk_data[4] = ((1 << DISK_SHIFT) >> 24) & 0xff; 3950 junk_data[5] = ((1 << DISK_SHIFT) >> 16) & 0xff; 3951 junk_data[6] = ((1 << DISK_SHIFT) >> 8) & 0xff; 3952 junk_data[7] = ((1 << DISK_SHIFT)) & 0xff; 3953 data_ptr = junk_data; 3954 data_len = 8; 3955 break; 3956 case REPORT_LUNS: 3957 flags |= CAM_DIR_IN; 3958 memset(junk_data, 0, JUNK_SIZE); 3959 junk_data[0] = (1 << 3) >> 24; 3960 junk_data[1] = (1 << 3) >> 16; 3961 junk_data[2] = (1 << 3) >> 8; 3962 junk_data[3] = (1 << 3); 3963 ptr = NULL; 3964 for (i = 0; i < 1; i++) { 3965 ptr = &junk_data[8 + (i << 3)]; 3966 if (i >= 256) { 3967 ptr[0] = 0x40 | ((i >> 8) & 0x3f); 3968 } 3969 ptr[1] = i; 3970 } 3971 data_ptr = junk_data; 3972 data_len = (ptr + 8) - junk_data; 3973 break; 3974 3975 default: 3976 flags |= CAM_DIR_NONE; 3977 status = SCSI_STATUS_CHECK_COND; 3978 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3979 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3980 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */ 3981 atio->sense_len = SSD_MIN_SIZE; 3982 break; 3983 } 3984 3985 /* 3986 * If we are done with the transaction, tell the 3987 * controller to send status and perform a CMD_CMPLT. 3988 * If we have associated sense data, see if we can 3989 * send that too. 3990 */ 3991 if (status == SCSI_STATUS_CHECK_COND) { 3992 flags |= CAM_SEND_SENSE; 3993 csio->sense_len = atio->sense_len; 3994 csio->sense_data = atio->sense_data; 3995 flags &= ~CAM_DIR_MASK; 3996 data_len = 0; 3997 data_ptr = NULL; 3998 } 3999 cam_fill_ctio(csio, 0, isptarg_done, flags, MSG_SIMPLE_Q_TAG, atio->tag_id, atio->init_id, status, data_ptr, data_len, 30 * hz); 4000 iccb->ccb_h.target_id = atio->ccb_h.target_id; 4001 iccb->ccb_h.target_lun = return_lun; 4002 iccb->ccb_h.ccb_atio = atio; 4003 CTIO_SEQ(iccb) = ATIO_PPD(atio)->sequence++; 4004 ATIO_PPD(atio)->ctio_cnt++; 4005 if (flags & CAM_SEND_STATUS) { 4006 KASSERT((ATIO_PPD(atio)->status_sent == 0), ("we have already sent status for 0x%x in %s", atio->tag_id, __func__)); 4007 ATIO_PPD(atio)->status_sent = 1; 4008 } 4009 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: sending downstream for 0x%x sequence %u len %u flags %x\n", __func__, atio->tag_id, CTIO_SEQ(iccb), data_len, flags); 4010 xpt_action(iccb); 4011 4012 if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) { 4013 cam_release_devq(periph->path, 0, 0, 0, 0); 4014 atio->ccb_h.status &= ~CAM_DEV_QFRZN; 4015 } 4016 #ifdef ISP_MULTI_CCBS 4017 if (is_data_cmd && ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->ctio_cnt < MULTI_CCB_DATA_CNT && ATIO_PPD(atio)->on_queue == 0) { 4018 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: more still to do for 0x%x\n", __func__, atio->tag_id); 4019 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 4020 ATIO_PPD(atio)->on_queue = 1; 4021 more = 1; 4022 } 4023 #endif 4024 if (more) { 4025 xpt_schedule(periph, 1); 4026 } 4027 } 4028 4029 static cam_status 4030 isptargctor(struct cam_periph *periph, void *arg) 4031 { 4032 struct isptarg_softc *softc; 4033 4034 softc = (struct isptarg_softc *)arg; 4035 periph->softc = softc; 4036 softc->periph = periph; 4037 softc->path = periph->path; 4038 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__); 4039 return (CAM_REQ_CMP); 4040 } 4041 4042 static void 4043 isptargdtor(struct cam_periph *periph) 4044 { 4045 struct isptarg_softc *softc; 4046 softc = (struct isptarg_softc *)periph->softc; 4047 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__); 4048 softc->periph = NULL; 4049 softc->path = NULL; 4050 periph->softc = NULL; 4051 } 4052 4053 static void 4054 isptarg_done(struct cam_periph *periph, union ccb *ccb) 4055 { 4056 struct isptarg_softc *softc; 4057 ispsoftc_t *isp; 4058 uint32_t newoff; 4059 struct ccb_accept_tio *atio; 4060 struct ccb_immediate_notify *inot; 4061 cam_status status; 4062 4063 softc = (struct isptarg_softc *)periph->softc; 4064 isp = softc->isp; 4065 status = ccb->ccb_h.status & CAM_STATUS_MASK; 4066 4067 switch (ccb->ccb_h.func_code) { 4068 case XPT_ACCEPT_TARGET_IO: 4069 atio = (struct ccb_accept_tio *) ccb; 4070 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] ATIO seen in %s\n", atio->tag_id, __func__); 4071 memset(ATIO_PPD(atio), 0, sizeof (ppd_t)); 4072 TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, periph_links.tqe); 4073 ATIO_PPD(atio)->on_queue = 1; 4074 xpt_schedule(periph, 1); 4075 break; 4076 case XPT_IMMEDIATE_NOTIFY: 4077 inot = (struct ccb_immediate_notify *) ccb; 4078 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] INOT for 0x%x seen in %s\n", inot->tag_id, inot->seq_id, __func__); 4079 TAILQ_INSERT_TAIL(&softc->inot_queue, &ccb->ccb_h, periph_links.tqe); 4080 xpt_schedule(periph, 1); 4081 break; 4082 case XPT_CONT_TARGET_IO: 4083 atio = ccb->ccb_h.ccb_atio; 4084 KASSERT((ATIO_PPD(atio)->ctio_cnt != 0), ("ctio zero when finishing a CTIO")); 4085 ATIO_PPD(atio)->ctio_cnt--; 4086 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 4087 switch (ccb->ccb_h.status & CAM_STATUS_MASK) { 4088 case CAM_MESSAGE_RECV: 4089 newoff = (ccb->csio.msg_ptr[3] << 24) | (ccb->csio.msg_ptr[4] << 16) | (ccb->csio.msg_ptr[5] << 8) | (ccb->csio.msg_ptr[6]); 4090 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "[0x%x] got message to return to reset offset to 0x%x at sequence %u\n", atio->tag_id, newoff, CTIO_SEQ(ccb)); 4091 ATIO_PPD(atio)->offset = newoff; 4092 ATIO_PPD(atio)->status_sent = 0; 4093 if (ATIO_PPD(atio)->on_queue == 0) { 4094 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 4095 ATIO_PPD(atio)->on_queue = 1; 4096 } 4097 xpt_schedule(periph, 1); 4098 break; 4099 default: 4100 cam_error_print(ccb, CAM_ESF_ALL, CAM_EPF_ALL); 4101 xpt_action((union ccb *)atio); 4102 break; 4103 } 4104 } else if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4105 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] MID CTIO sequence %u seen in %s\n", atio->tag_id, CTIO_SEQ(ccb), __func__); 4106 if (ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->on_queue == 0) { 4107 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 4108 ATIO_PPD(atio)->on_queue = 1; 4109 } 4110 xpt_schedule(periph, 1); 4111 } else { 4112 KASSERT((ATIO_PPD(atio)->ctio_cnt == 0), ("ctio count still %d when we think we've sent the STATUS ctio", ATIO_PPD(atio)->ctio_cnt)); 4113 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] FINAL CTIO sequence %u seen in %s\n", atio->tag_id, CTIO_SEQ(ccb), __func__); 4114 xpt_action((union ccb *)atio); 4115 } 4116 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 4117 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0); 4118 ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 4119 } 4120 xpt_release_ccb(ccb); 4121 break; 4122 case XPT_NOTIFY_ACKNOWLEDGE: 4123 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 4124 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0); 4125 ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 4126 } 4127 inot = ccb->ccb_h.ccb_inot; 4128 ISP_PATH_PRT(isp, ISP_LOGTDEBUG1, inot->ccb_h.path, "[0x%x] recycle notify for tag 0x%x\n", inot->tag_id, inot->seq_id); 4129 xpt_release_ccb(ccb); 4130 xpt_action((union ccb *)inot); 4131 break; 4132 default: 4133 xpt_print(ccb->ccb_h.path, "unexpected code 0x%x\n", ccb->ccb_h.func_code); 4134 break; 4135 } 4136 } 4137 4138 static void 4139 isptargasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) 4140 { 4141 struct ac_contract *acp = arg; 4142 struct ac_device_changed *fc = (struct ac_device_changed *) acp->contract_data; 4143 4144 if (code != AC_CONTRACT) { 4145 return; 4146 } 4147 xpt_print(path, "0x%016llx Port ID 0x%06x %s\n", (unsigned long long) fc->wwpn, fc->port, fc->arrived? "arrived" : "departed"); 4148 } 4149 4150 static void 4151 isp_target_thread(ispsoftc_t *isp, int chan) 4152 { 4153 union ccb *ccb = NULL; 4154 int i; 4155 void *wchan; 4156 cam_status status; 4157 struct isptarg_softc *softc = NULL; 4158 struct cam_periph *periph = NULL, *wperiph = NULL; 4159 struct cam_path *path, *wpath; 4160 struct cam_sim *sim; 4161 4162 if (disk_data == NULL) { 4163 disk_size = roundup2(vm_kmem_size >> 1, (1ULL << 20)); 4164 if (disk_size < (50 << 20)) { 4165 disk_size = 50 << 20; 4166 } 4167 disk_data = malloc(disk_size, M_ISPTARG, M_WAITOK | M_ZERO); 4168 if (disk_data == NULL) { 4169 isp_prt(isp, ISP_LOGERR, "%s: could not allocate disk data", __func__); 4170 goto out; 4171 } 4172 isp_prt(isp, ISP_LOGINFO, "allocated a %ju MiB disk", (uintmax_t) (disk_size >> 20)); 4173 } 4174 junk_data = malloc(JUNK_SIZE, M_ISPTARG, M_WAITOK | M_ZERO); 4175 if (junk_data == NULL) { 4176 isp_prt(isp, ISP_LOGERR, "%s: could not allocate junk", __func__); 4177 goto out; 4178 } 4179 4180 4181 softc = malloc(sizeof (*softc), M_ISPTARG, M_WAITOK | M_ZERO); 4182 if (softc == NULL) { 4183 isp_prt(isp, ISP_LOGERR, "%s: could not allocate softc", __func__); 4184 goto out; 4185 } 4186 TAILQ_INIT(&softc->work_queue); 4187 TAILQ_INIT(&softc->rework_queue); 4188 TAILQ_INIT(&softc->running_queue); 4189 TAILQ_INIT(&softc->inot_queue); 4190 softc->isp = isp; 4191 4192 periphdriver_register(&isptargdriver); 4193 ISP_GET_PC(isp, chan, sim, sim); 4194 ISP_GET_PC(isp, chan, path, path); 4195 status = xpt_create_path(&wpath, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 4196 if (status != CAM_REQ_CMP) { 4197 isp_prt(isp, ISP_LOGERR, "%s: could not allocate wildcard path", __func__); 4198 return; 4199 } 4200 status = xpt_create_path(&path, NULL, cam_sim_path(sim), 0, 0); 4201 if (status != CAM_REQ_CMP) { 4202 xpt_free_path(wpath); 4203 isp_prt(isp, ISP_LOGERR, "%s: could not allocate path", __func__); 4204 return; 4205 } 4206 4207 ISP_LOCK(isp); 4208 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, wpath, NULL, 0, softc); 4209 if (status != CAM_REQ_CMP) { 4210 ISP_UNLOCK(isp); 4211 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc for wildcard failed", __func__); 4212 goto out; 4213 } 4214 wperiph = cam_periph_find(wpath, "isptarg"); 4215 if (wperiph == NULL) { 4216 ISP_UNLOCK(isp); 4217 isp_prt(isp, ISP_LOGERR, "%s: wildcard periph already allocated but doesn't exist", __func__); 4218 goto out; 4219 } 4220 4221 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, path, NULL, 0, softc); 4222 if (status != CAM_REQ_CMP) { 4223 ISP_UNLOCK(isp); 4224 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc failed", __func__); 4225 goto out; 4226 } 4227 4228 periph = cam_periph_find(path, "isptarg"); 4229 if (periph == NULL) { 4230 ISP_UNLOCK(isp); 4231 isp_prt(isp, ISP_LOGERR, "%s: periph already allocated but doesn't exist", __func__); 4232 goto out; 4233 } 4234 4235 status = xpt_register_async(AC_CONTRACT, isptargasync, isp, wpath); 4236 if (status != CAM_REQ_CMP) { 4237 ISP_UNLOCK(isp); 4238 isp_prt(isp, ISP_LOGERR, "%s: xpt_register_async failed", __func__); 4239 goto out; 4240 } 4241 4242 ISP_UNLOCK(isp); 4243 4244 ccb = xpt_alloc_ccb(); 4245 4246 /* 4247 * Make sure role is none. 4248 */ 4249 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4250 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 4251 ccb->knob.xport_specific.fc.role = KNOB_ROLE_NONE; 4252 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE; 4253 4254 ISP_LOCK(isp); 4255 xpt_action(ccb); 4256 ISP_UNLOCK(isp); 4257 4258 /* 4259 * Now enable luns 4260 */ 4261 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4262 ccb->ccb_h.func_code = XPT_EN_LUN; 4263 ccb->cel.enable = 1; 4264 ISP_LOCK(isp); 4265 xpt_action(ccb); 4266 ISP_UNLOCK(isp); 4267 if (ccb->ccb_h.status != CAM_REQ_CMP) { 4268 xpt_free_ccb(ccb); 4269 xpt_print(periph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status); 4270 goto out; 4271 } 4272 4273 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 10); 4274 ccb->ccb_h.func_code = XPT_EN_LUN; 4275 ccb->cel.enable = 1; 4276 ISP_LOCK(isp); 4277 xpt_action(ccb); 4278 ISP_UNLOCK(isp); 4279 if (ccb->ccb_h.status != CAM_REQ_CMP) { 4280 xpt_free_ccb(ccb); 4281 xpt_print(wperiph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status); 4282 goto out; 4283 } 4284 xpt_free_ccb(ccb); 4285 4286 /* 4287 * Add resources 4288 */ 4289 ISP_GET_PC(isp, chan, target_proc, wchan); 4290 for (i = 0; i < 4; i++) { 4291 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4292 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1); 4293 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 4294 ccb->ccb_h.cbfcnp = isptarg_done; 4295 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO); 4296 ISP_LOCK(isp); 4297 xpt_action(ccb); 4298 ISP_UNLOCK(isp); 4299 } 4300 for (i = 0; i < NISP_TARG_CMDS; i++) { 4301 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4302 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1); 4303 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 4304 ccb->ccb_h.cbfcnp = isptarg_done; 4305 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO); 4306 ISP_LOCK(isp); 4307 xpt_action(ccb); 4308 ISP_UNLOCK(isp); 4309 } 4310 for (i = 0; i < 4; i++) { 4311 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4312 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1); 4313 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 4314 ccb->ccb_h.cbfcnp = isptarg_done; 4315 ISP_LOCK(isp); 4316 xpt_action(ccb); 4317 ISP_UNLOCK(isp); 4318 } 4319 for (i = 0; i < NISP_TARG_NOTIFIES; i++) { 4320 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4321 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1); 4322 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 4323 ccb->ccb_h.cbfcnp = isptarg_done; 4324 ISP_LOCK(isp); 4325 xpt_action(ccb); 4326 ISP_UNLOCK(isp); 4327 } 4328 4329 /* 4330 * Now turn it all back on 4331 */ 4332 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4333 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 4334 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE; 4335 ccb->knob.xport_specific.fc.role = KNOB_ROLE_TARGET; 4336 ISP_LOCK(isp); 4337 xpt_action(ccb); 4338 ISP_UNLOCK(isp); 4339 4340 /* 4341 * Okay, while things are still active, sleep... 4342 */ 4343 ISP_LOCK(isp); 4344 for (;;) { 4345 ISP_GET_PC(isp, chan, proc_active, i); 4346 if (i == 0) { 4347 break; 4348 } 4349 msleep(wchan, &isp->isp_lock, PUSER, "tsnooze", 0); 4350 } 4351 ISP_UNLOCK(isp); 4352 4353 out: 4354 if (wperiph) { 4355 cam_periph_invalidate(wperiph); 4356 } 4357 if (periph) { 4358 cam_periph_invalidate(periph); 4359 } 4360 if (junk_data) { 4361 free(junk_data, M_ISPTARG); 4362 } 4363 if (disk_data) { 4364 free(disk_data, M_ISPTARG); 4365 } 4366 if (softc) { 4367 free(softc, M_ISPTARG); 4368 } 4369 xpt_free_path(path); 4370 xpt_free_path(wpath); 4371 } 4372 4373 static void 4374 isp_target_thread_pi(void *arg) 4375 { 4376 struct isp_spi *pi = arg; 4377 ispsoftc_t *isp = cam_sim_softc(pi->sim); 4378 int chan = cam_sim_bus(pi->sim); 4379 4380 isp_target_thread(isp, chan); 4381 ISP_SPI_PC(isp, chan)->num_threads -= 1; 4382 kthread_exit(); 4383 } 4384 4385 static void 4386 isp_target_thread_fc(void *arg) 4387 { 4388 struct isp_fc *fc = arg; 4389 ispsoftc_t *isp = cam_sim_softc(pi->sim); 4390 int chan = cam_sim_bus(pi->sim); 4391 4392 isp_target_thread(isp, chan); 4393 ISP_FC_PC(isp, chan)->num_threads -= 1; 4394 kthread_exit(); 4395 } 4396 4397 static int 4398 isptarg_rwparm(uint8_t *cdb, uint8_t *dp, uint64_t dl, uint32_t offset, uint8_t **kp, uint32_t *tl, int *lp) 4399 { 4400 uint32_t cnt, curcnt; 4401 uint64_t lba; 4402 4403 switch (cdb[0]) { 4404 case WRITE_16: 4405 case READ_16: 4406 cnt = (((uint32_t)cdb[10]) << 24) | 4407 (((uint32_t)cdb[11]) << 16) | 4408 (((uint32_t)cdb[12]) << 8) | 4409 ((uint32_t)cdb[13]); 4410 4411 lba = (((uint64_t)cdb[2]) << 56) | 4412 (((uint64_t)cdb[3]) << 48) | 4413 (((uint64_t)cdb[4]) << 40) | 4414 (((uint64_t)cdb[5]) << 32) | 4415 (((uint64_t)cdb[6]) << 24) | 4416 (((uint64_t)cdb[7]) << 16) | 4417 (((uint64_t)cdb[8]) << 8) | 4418 ((uint64_t)cdb[9]); 4419 break; 4420 case WRITE_12: 4421 case READ_12: 4422 cnt = (((uint32_t)cdb[6]) << 16) | 4423 (((uint32_t)cdb[7]) << 8) | 4424 ((u_int32_t)cdb[8]); 4425 4426 lba = (((uint32_t)cdb[2]) << 24) | 4427 (((uint32_t)cdb[3]) << 16) | 4428 (((uint32_t)cdb[4]) << 8) | 4429 ((uint32_t)cdb[5]); 4430 break; 4431 case WRITE_10: 4432 case READ_10: 4433 cnt = (((uint32_t)cdb[7]) << 8) | 4434 ((u_int32_t)cdb[8]); 4435 4436 lba = (((uint32_t)cdb[2]) << 24) | 4437 (((uint32_t)cdb[3]) << 16) | 4438 (((uint32_t)cdb[4]) << 8) | 4439 ((uint32_t)cdb[5]); 4440 break; 4441 case WRITE_6: 4442 case READ_6: 4443 cnt = cdb[4]; 4444 if (cnt == 0) { 4445 cnt = 256; 4446 } 4447 lba = (((uint32_t)cdb[1] & 0x1f) << 16) | 4448 (((uint32_t)cdb[2]) << 8) | 4449 ((uint32_t)cdb[3]); 4450 break; 4451 default: 4452 return (-1); 4453 } 4454 4455 cnt <<= DISK_SHIFT; 4456 lba <<= DISK_SHIFT; 4457 4458 if (offset == cnt) { 4459 *lp = 1; 4460 return (0); 4461 } 4462 4463 if (lba + cnt > dl) { 4464 return (-2); 4465 } 4466 4467 curcnt = MAX_ISP_TARG_TRANSFER; 4468 if (offset + curcnt >= cnt) { 4469 curcnt = cnt - offset; 4470 *lp = 1; 4471 } else { 4472 *lp = 0; 4473 } 4474 #ifdef ISP_MULTI_CCBS 4475 if (curcnt > MULTI_CCB_DATA_LIM) 4476 curcnt = MULTI_CCB_DATA_LIM; 4477 #endif 4478 *tl = curcnt; 4479 *kp = &dp[lba + offset]; 4480 return (0); 4481 } 4482 4483 #endif 4484 #endif 4485 4486 static void 4487 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 4488 { 4489 struct cam_sim *sim; 4490 int bus, tgt; 4491 ispsoftc_t *isp; 4492 4493 sim = (struct cam_sim *)cbarg; 4494 isp = (ispsoftc_t *) cam_sim_softc(sim); 4495 bus = cam_sim_bus(sim); 4496 tgt = xpt_path_target_id(path); 4497 4498 switch (code) { 4499 case AC_LOST_DEVICE: 4500 if (IS_SCSI(isp)) { 4501 uint16_t oflags, nflags; 4502 sdparam *sdp = SDPARAM(isp, bus); 4503 4504 if (tgt >= 0) { 4505 nflags = sdp->isp_devparam[tgt].nvrm_flags; 4506 #ifndef ISP_TARGET_MODE 4507 nflags &= DPARM_SAFE_DFLT; 4508 if (isp->isp_loaded_fw) { 4509 nflags |= DPARM_NARROW | DPARM_ASYNC; 4510 } 4511 #else 4512 nflags = DPARM_DEFAULT; 4513 #endif 4514 oflags = sdp->isp_devparam[tgt].goal_flags; 4515 sdp->isp_devparam[tgt].goal_flags = nflags; 4516 sdp->isp_devparam[tgt].dev_update = 1; 4517 sdp->update = 1; 4518 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 4519 sdp->isp_devparam[tgt].goal_flags = oflags; 4520 } 4521 } 4522 break; 4523 default: 4524 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 4525 break; 4526 } 4527 } 4528 4529 static void 4530 isp_poll(struct cam_sim *sim) 4531 { 4532 ispsoftc_t *isp = cam_sim_softc(sim); 4533 uint32_t isr; 4534 uint16_t sema, mbox; 4535 4536 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 4537 isp_intr(isp, isr, sema, mbox); 4538 } 4539 } 4540 4541 4542 static void 4543 isp_watchdog(void *arg) 4544 { 4545 struct ccb_scsiio *xs = arg; 4546 ispsoftc_t *isp; 4547 uint32_t ohandle = ISP_HANDLE_FREE, handle; 4548 4549 isp = XS_ISP(xs); 4550 4551 handle = isp_find_handle(isp, xs); 4552 4553 /* 4554 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 4555 */ 4556 if (handle != ISP_HANDLE_FREE) { 4557 uint32_t isr; 4558 uint16_t sema, mbox; 4559 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) != 0) { 4560 isp_intr(isp, isr, sema, mbox); 4561 } 4562 ohandle = handle; 4563 handle = isp_find_handle(isp, xs); 4564 } 4565 if (handle != ISP_HANDLE_FREE) { 4566 /* 4567 * Try and make sure the command is really dead before 4568 * we release the handle (and DMA resources) for reuse. 4569 * 4570 * If we are successful in aborting the command then 4571 * we're done here because we'll get the command returned 4572 * back separately. 4573 */ 4574 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 4575 return; 4576 } 4577 4578 /* 4579 * Note that after calling the above, the command may in 4580 * fact have been completed. 4581 */ 4582 xs = isp_find_xs(isp, handle); 4583 4584 /* 4585 * If the command no longer exists, then we won't 4586 * be able to find the xs again with this handle. 4587 */ 4588 if (xs == NULL) { 4589 return; 4590 } 4591 4592 /* 4593 * After this point, the command is really dead. 4594 */ 4595 if (XS_XFRLEN(xs)) { 4596 ISP_DMAFREE(isp, xs, handle); 4597 } 4598 isp_destroy_handle(isp, handle); 4599 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 4600 xs->ccb_h.status &= ~CAM_STATUS_MASK; 4601 xs->ccb_h.status |= CAM_CMD_TIMEOUT; 4602 isp_prt_endcmd(isp, xs); 4603 isp_done(xs); 4604 } else { 4605 if (ohandle != ISP_HANDLE_FREE) { 4606 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 4607 } else { 4608 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 4609 } 4610 } 4611 } 4612 4613 static void 4614 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 4615 { 4616 union ccb *ccb; 4617 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4618 4619 if (isp_autoconfig == 0) { 4620 return; 4621 } 4622 4623 /* 4624 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 4625 */ 4626 ccb = xpt_alloc_ccb_nowait(); 4627 if (ccb == NULL) { 4628 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 4629 return; 4630 } 4631 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 4632 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 4633 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 4634 xpt_free_ccb(ccb); 4635 return; 4636 } 4637 4638 /* 4639 * Since we're about to issue a rescan, mark this device as not 4640 * reported gone. 4641 */ 4642 fcp->reported_gone = 0; 4643 4644 xpt_rescan(ccb); 4645 } 4646 4647 static void 4648 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 4649 { 4650 struct cam_path *tp; 4651 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4652 4653 if (isp_autoconfig == 0) { 4654 return; 4655 } 4656 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 4657 /* 4658 * We're about to send out the lost device async 4659 * notification, so indicate that we have reported it gone. 4660 */ 4661 fcp->reported_gone = 1; 4662 xpt_async(AC_LOST_DEVICE, tp, NULL); 4663 xpt_free_path(tp); 4664 } 4665 } 4666 4667 /* 4668 * Gone Device Timer Function- when we have decided that a device has gone 4669 * away, we wait a specific period of time prior to telling the OS it has 4670 * gone away. 4671 * 4672 * This timer function fires once a second and then scans the port database 4673 * for devices that are marked dead but still have a virtual target assigned. 4674 * We decrement a counter for that port database entry, and when it hits zero, 4675 * we tell the OS the device has gone away. 4676 */ 4677 static void 4678 isp_gdt(void *arg) 4679 { 4680 struct isp_fc *fc = arg; 4681 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 4682 } 4683 4684 static void 4685 isp_gdt_task(void *arg, int pending) 4686 { 4687 struct isp_fc *fc = arg; 4688 ispsoftc_t *isp = fc->isp; 4689 int chan = fc - isp->isp_osinfo.pc.fc; 4690 fcportdb_t *lp; 4691 int dbidx, tgt, more_to_do = 0; 4692 4693 ISP_LOCK(isp); 4694 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 4695 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 4696 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 4697 4698 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 4699 continue; 4700 } 4701 if (lp->dev_map_idx == 0 || lp->target_mode) { 4702 continue; 4703 } 4704 if (lp->gone_timer != 0) { 4705 isp_prt(isp, ISP_LOG_SANCFG, "%s: Chan %d more to do for target %u (timer=%u)", __func__, chan, lp->dev_map_idx - 1, lp->gone_timer); 4706 lp->gone_timer -= 1; 4707 more_to_do++; 4708 continue; 4709 } 4710 tgt = lp->dev_map_idx - 1; 4711 FCPARAM(isp, chan)->isp_dev_map[tgt] = 0; 4712 lp->dev_map_idx = 0; 4713 lp->state = FC_PORTDB_STATE_NIL; 4714 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Gone Device Timeout"); 4715 isp_make_gone(isp, lp, chan, tgt); 4716 } 4717 if (fc->ready) { 4718 if (more_to_do) { 4719 callout_reset(&fc->gdt, hz, isp_gdt, fc); 4720 } else { 4721 callout_deactivate(&fc->gdt); 4722 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 4723 } 4724 } 4725 ISP_UNLOCK(isp); 4726 } 4727 4728 /* 4729 * Loop Down Timer Function- when loop goes down, a timer is started and 4730 * and after it expires we come here and take all probational devices that 4731 * the OS knows about and the tell the OS that they've gone away. 4732 * 4733 * We don't clear the devices out of our port database because, when loop 4734 * come back up, we have to do some actual cleanup with the chip at that 4735 * point (implicit PLOGO, e.g., to get the chip's port database state right). 4736 */ 4737 static void 4738 isp_ldt(void *arg) 4739 { 4740 struct isp_fc *fc = arg; 4741 taskqueue_enqueue(taskqueue_thread, &fc->ltask); 4742 } 4743 4744 static void 4745 isp_ldt_task(void *arg, int pending) 4746 { 4747 struct isp_fc *fc = arg; 4748 ispsoftc_t *isp = fc->isp; 4749 int chan = fc - isp->isp_osinfo.pc.fc; 4750 fcportdb_t *lp; 4751 int dbidx, tgt, i; 4752 4753 ISP_LOCK(isp); 4754 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_uptime); 4755 callout_deactivate(&fc->ldt); 4756 4757 /* 4758 * Notify to the OS all targets who we now consider have departed. 4759 */ 4760 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 4761 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 4762 4763 if (lp->state != FC_PORTDB_STATE_PROBATIONAL) { 4764 continue; 4765 } 4766 if (lp->dev_map_idx == 0 || lp->target_mode) { 4767 continue; 4768 } 4769 4770 /* 4771 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 4772 */ 4773 4774 4775 for (i = 0; i < isp->isp_maxcmds; i++) { 4776 struct ccb_scsiio *xs; 4777 4778 if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) { 4779 continue; 4780 } 4781 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 4782 continue; 4783 } 4784 if (dbidx != (FCPARAM(isp, chan)->isp_dev_map[XS_TGT(xs)] - 1)) { 4785 continue; 4786 } 4787 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%d orphaned by loop down timeout", 4788 isp->isp_xflist[i].handle, chan, XS_TGT(xs), XS_LUN(xs)); 4789 } 4790 4791 /* 4792 * Mark that we've announced that this device is gone.... 4793 */ 4794 lp->announced = 1; 4795 4796 /* 4797 * but *don't* change the state of the entry. Just clear 4798 * any target id stuff and announce to CAM that the 4799 * device is gone. This way any necessary PLOGO stuff 4800 * will happen when loop comes back up. 4801 */ 4802 4803 tgt = lp->dev_map_idx - 1; 4804 FCPARAM(isp, chan)->isp_dev_map[tgt] = 0; 4805 lp->dev_map_idx = 0; 4806 lp->state = FC_PORTDB_STATE_NIL; 4807 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Loop Down Timeout"); 4808 isp_make_gone(isp, lp, chan, tgt); 4809 } 4810 4811 if (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR) { 4812 isp_unfreeze_loopdown(isp, chan); 4813 } 4814 /* 4815 * The loop down timer has expired. Wake up the kthread 4816 * to notice that fact (or make it false). 4817 */ 4818 fc->loop_dead = 1; 4819 fc->loop_down_time = fc->loop_down_limit+1; 4820 wakeup(fc); 4821 ISP_UNLOCK(isp); 4822 } 4823 4824 static void 4825 isp_kthread(void *arg) 4826 { 4827 struct isp_fc *fc = arg; 4828 ispsoftc_t *isp = fc->isp; 4829 int chan = fc - isp->isp_osinfo.pc.fc; 4830 int slp = 0; 4831 4832 mtx_lock(&isp->isp_osinfo.lock); 4833 4834 while (isp->isp_osinfo.is_exiting == 0) { 4835 int lb, lim; 4836 4837 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan); 4838 lb = isp_fc_runstate(isp, chan, 250000); 4839 4840 /* 4841 * Our action is different based upon whether we're supporting 4842 * Initiator mode or not. If we are, we might freeze the simq 4843 * when loop is down and set all sorts of different delays to 4844 * check again. 4845 * 4846 * If not, we simply just wait for loop to come up. 4847 */ 4848 if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) { 4849 /* 4850 * Increment loop down time by the last sleep interval 4851 */ 4852 fc->loop_down_time += slp; 4853 4854 if (lb < 0) { 4855 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time); 4856 } else { 4857 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC got to %d (down count %d)", __func__, chan, lb, fc->loop_down_time); 4858 } 4859 4860 /* 4861 * If we've never seen loop up and we've waited longer 4862 * than quickboot time, or we've seen loop up but we've 4863 * waited longer than loop_down_limit, give up and go 4864 * to sleep until loop comes up. 4865 */ 4866 if (FCPARAM(isp, chan)->loop_seen_once == 0) { 4867 lim = isp_quickboot_time; 4868 } else { 4869 lim = fc->loop_down_limit; 4870 } 4871 if (fc->loop_down_time >= lim) { 4872 isp_freeze_loopdown(isp, chan, "loop limit hit"); 4873 slp = 0; 4874 } else if (fc->loop_down_time < 10) { 4875 slp = 1; 4876 } else if (fc->loop_down_time < 30) { 4877 slp = 5; 4878 } else if (fc->loop_down_time < 60) { 4879 slp = 10; 4880 } else if (fc->loop_down_time < 120) { 4881 slp = 20; 4882 } else { 4883 slp = 30; 4884 } 4885 4886 } else if (lb) { 4887 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan); 4888 fc->loop_down_time += slp; 4889 if (fc->loop_down_time > 300) 4890 slp = 0; 4891 else 4892 slp = 60; 4893 } else { 4894 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan); 4895 fc->loop_down_time = 0; 4896 slp = 0; 4897 } 4898 4899 4900 /* 4901 * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it 4902 * now so that CAM can start sending us commands. 4903 * 4904 * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again 4905 * or kill the commands, as appropriate. 4906 */ 4907 4908 if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) { 4909 isp_unfreeze_loopdown(isp, chan); 4910 } 4911 4912 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp); 4913 4914 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz); 4915 4916 /* 4917 * If slp is zero, we're waking up for the first time after 4918 * things have been okay. In this case, we set a deferral state 4919 * for all commands and delay hysteresis seconds before starting 4920 * the FC state evaluation. This gives the loop/fabric a chance 4921 * to settle. 4922 */ 4923 if (slp == 0 && fc->hysteresis) { 4924 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz); 4925 mtx_unlock(&isp->isp_osinfo.lock); 4926 pause("ispt", fc->hysteresis * hz); 4927 mtx_lock(&isp->isp_osinfo.lock); 4928 } 4929 } 4930 fc->num_threads -= 1; 4931 mtx_unlock(&isp->isp_osinfo.lock); 4932 kthread_exit(); 4933 } 4934 4935 static void 4936 isp_action(struct cam_sim *sim, union ccb *ccb) 4937 { 4938 int bus, tgt, ts, error, lim; 4939 ispsoftc_t *isp; 4940 struct ccb_trans_settings *cts; 4941 4942 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 4943 4944 isp = (ispsoftc_t *)cam_sim_softc(sim); 4945 mtx_assert(&isp->isp_lock, MA_OWNED); 4946 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 4947 ISP_PCMD(ccb) = NULL; 4948 4949 if (isp->isp_state != ISP_RUNSTATE && ccb->ccb_h.func_code == XPT_SCSI_IO) { 4950 isp_init(isp); 4951 if (isp->isp_state != ISP_INITSTATE) { 4952 /* 4953 * Lie. Say it was a selection timeout. 4954 */ 4955 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 4956 isp_done((struct ccb_scsiio *) ccb); 4957 return; 4958 } 4959 isp->isp_state = ISP_RUNSTATE; 4960 } 4961 4962 switch (ccb->ccb_h.func_code) { 4963 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 4964 bus = XS_CHANNEL(ccb); 4965 /* 4966 * Do a couple of preliminary checks... 4967 */ 4968 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 4969 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 4970 ccb->ccb_h.status = CAM_REQ_INVALID; 4971 isp_done((struct ccb_scsiio *) ccb); 4972 break; 4973 } 4974 } 4975 ccb->csio.req_map = NULL; 4976 #ifdef DIAGNOSTIC 4977 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) { 4978 xpt_print(ccb->ccb_h.path, "invalid target\n"); 4979 ccb->ccb_h.status = CAM_PATH_INVALID; 4980 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) { 4981 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 4982 ccb->ccb_h.status = CAM_PATH_INVALID; 4983 } 4984 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 4985 xpt_done(ccb); 4986 break; 4987 } 4988 #endif 4989 ccb->csio.scsi_status = SCSI_STATUS_OK; 4990 if (isp_get_pcmd(isp, ccb)) { 4991 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 4992 cam_freeze_devq(ccb->ccb_h.path); 4993 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 4994 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4995 xpt_done(ccb); 4996 break; 4997 } 4998 error = isp_start((XS_T *) ccb); 4999 switch (error) { 5000 case CMD_QUEUED: 5001 ccb->ccb_h.status |= CAM_SIM_QUEUED; 5002 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) { 5003 break; 5004 } 5005 ts = ccb->ccb_h.timeout; 5006 if (ts == CAM_TIME_DEFAULT) { 5007 ts = 60*1000; 5008 } 5009 ts = isp_mstohz(ts); 5010 callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb); 5011 break; 5012 case CMD_RQLATER: 5013 /* 5014 * We get this result for FC devices if the loop state isn't ready yet 5015 * or if the device in question has gone zombie on us. 5016 * 5017 * If we've never seen Loop UP at all, we requeue this request and wait 5018 * for the initial loop up delay to expire. 5019 */ 5020 lim = ISP_FC_PC(isp, bus)->loop_down_limit; 5021 if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) { 5022 if (FCPARAM(isp, bus)->loop_seen_once == 0) { 5023 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d loop not seen yet @ %lu", XS_TGT(ccb), XS_LUN(ccb), (unsigned long) time_uptime); 5024 } else { 5025 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d downtime (%d) > lim (%d)", XS_TGT(ccb), XS_LUN(ccb), ISP_FC_PC(isp, bus)->loop_down_time, lim); 5026 } 5027 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 5028 isp_done((struct ccb_scsiio *) ccb); 5029 break; 5030 } 5031 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb)); 5032 cam_freeze_devq(ccb->ccb_h.path); 5033 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 5034 ccb->ccb_h.status = CAM_REQUEUE_REQ; 5035 isp_free_pcmd(isp, ccb); 5036 xpt_done(ccb); 5037 break; 5038 case CMD_EAGAIN: 5039 isp_free_pcmd(isp, ccb); 5040 cam_freeze_devq(ccb->ccb_h.path); 5041 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 5042 ccb->ccb_h.status = CAM_REQUEUE_REQ; 5043 xpt_done(ccb); 5044 break; 5045 case CMD_COMPLETE: 5046 isp_done((struct ccb_scsiio *) ccb); 5047 break; 5048 default: 5049 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 5050 ccb->ccb_h.status = CAM_REQUEUE_REQ; 5051 isp_free_pcmd(isp, ccb); 5052 xpt_done(ccb); 5053 } 5054 break; 5055 5056 #ifdef ISP_TARGET_MODE 5057 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 5058 if (ccb->cel.enable) { 5059 isp_enable_lun(isp, ccb); 5060 } else { 5061 isp_disable_lun(isp, ccb); 5062 } 5063 break; 5064 case XPT_IMMED_NOTIFY: 5065 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 5066 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 5067 { 5068 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 5069 if (tptr == NULL) { 5070 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD); 5071 } 5072 if (tptr == NULL) { 5073 const char *str; 5074 uint32_t tag; 5075 5076 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 5077 str = "XPT_IMMEDIATE_NOTIFY"; 5078 tag = ccb->cin1.seq_id; 5079 } else { 5080 tag = ccb->atio.tag_id; 5081 str = "XPT_ACCEPT_TARGET_IO"; 5082 } 5083 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str); 5084 dump_tstates(isp, XS_CHANNEL(ccb)); 5085 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 5086 break; 5087 } 5088 ccb->ccb_h.spriv_field0 = 0; 5089 ccb->ccb_h.spriv_ptr1 = isp; 5090 5091 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 5092 if (ccb->atio.tag_id) { 5093 atio_private_data_t *atp = isp_find_atpd(isp, tptr, ccb->atio.tag_id); 5094 if (atp) { 5095 isp_put_atpd(isp, tptr, atp); 5096 } 5097 } 5098 tptr->atio_count++; 5099 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 5100 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n", 5101 ccb->atio.tag_id, tptr->atio_count); 5102 ccb->atio.tag_id = 0; 5103 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 5104 if (ccb->cin1.tag_id) { 5105 inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id); 5106 if (ntp) { 5107 isp_put_ntpd(isp, tptr, ntp); 5108 } 5109 } 5110 tptr->inot_count++; 5111 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 5112 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n", 5113 ccb->cin1.seq_id, tptr->inot_count); 5114 ccb->cin1.seq_id = 0; 5115 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 5116 tptr->inot_count++; 5117 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 5118 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n", 5119 ccb->cin1.seq_id, tptr->inot_count); 5120 ccb->cin1.seq_id = 0; 5121 } 5122 rls_lun_statep(isp, tptr); 5123 ccb->ccb_h.status = CAM_REQ_INPROG; 5124 break; 5125 } 5126 case XPT_NOTIFY_ACK: 5127 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5128 break; 5129 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 5130 { 5131 tstate_t *tptr; 5132 inot_private_data_t *ntp; 5133 5134 /* 5135 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 5136 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 5137 */ 5138 /* 5139 * All the relevant path information is in the associated immediate notify 5140 */ 5141 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: [0x%x] NOTIFY ACKNOWLEDGE for 0x%x seen\n", __func__, ccb->cna2.tag_id, ccb->cna2.seq_id); 5142 ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr); 5143 if (ntp == NULL) { 5144 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] XPT_NOTIFY_ACKNOWLEDGE of 0x%x cannot find ntp private data\n", __func__, 5145 ccb->cna2.tag_id, ccb->cna2.seq_id); 5146 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 5147 xpt_done(ccb); 5148 break; 5149 } 5150 if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) { 5151 rls_lun_statep(isp, tptr); 5152 cam_freeze_devq(ccb->ccb_h.path); 5153 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 5154 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 5155 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 5156 break; 5157 } 5158 isp_put_ntpd(isp, tptr, ntp); 5159 rls_lun_statep(isp, tptr); 5160 ccb->ccb_h.status = CAM_REQ_CMP; 5161 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: [0x%x] calling xpt_done for tag 0x%x\n", __func__, ccb->cna2.tag_id, ccb->cna2.seq_id); 5162 xpt_done(ccb); 5163 break; 5164 } 5165 case XPT_CONT_TARGET_IO: 5166 isp_target_start_ctio(isp, ccb, FROM_CAM); 5167 break; 5168 #endif 5169 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 5170 { 5171 struct isp_fc *fc; 5172 5173 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path)); 5174 tgt = ccb->ccb_h.target_id; 5175 tgt |= (bus << 16); 5176 if (IS_FC(isp)) 5177 fc = ISP_FC_PC(isp, bus); 5178 else 5179 fc = NULL; 5180 5181 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 5182 if (error) { 5183 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5184 } else { 5185 /* 5186 * If we have a FC device, reset the Command 5187 * Reference Number, because the target will expect 5188 * that we re-start the CRN at 1 after a reset. 5189 */ 5190 if (fc != NULL) 5191 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5192 5193 ccb->ccb_h.status = CAM_REQ_CMP; 5194 } 5195 xpt_done(ccb); 5196 break; 5197 } 5198 case XPT_ABORT: /* Abort the specified CCB */ 5199 { 5200 union ccb *accb = ccb->cab.abort_ccb; 5201 switch (accb->ccb_h.func_code) { 5202 #ifdef ISP_TARGET_MODE 5203 case XPT_ACCEPT_TARGET_IO: 5204 isp_target_mark_aborted(isp, ccb); 5205 break; 5206 #endif 5207 case XPT_SCSI_IO: 5208 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 5209 if (error) { 5210 ccb->ccb_h.status = CAM_UA_ABORT; 5211 } else { 5212 ccb->ccb_h.status = CAM_REQ_CMP; 5213 } 5214 break; 5215 default: 5216 ccb->ccb_h.status = CAM_REQ_INVALID; 5217 break; 5218 } 5219 /* 5220 * This is not a queued CCB, so the caller expects it to be 5221 * complete when control is returned. 5222 */ 5223 break; 5224 } 5225 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 5226 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 5227 cts = &ccb->cts; 5228 if (!IS_CURRENT_SETTINGS(cts)) { 5229 ccb->ccb_h.status = CAM_REQ_INVALID; 5230 xpt_done(ccb); 5231 break; 5232 } 5233 tgt = cts->ccb_h.target_id; 5234 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 5235 if (IS_SCSI(isp)) { 5236 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5237 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 5238 sdparam *sdp = SDPARAM(isp, bus); 5239 uint16_t *dptr; 5240 5241 if (spi->valid == 0 && scsi->valid == 0) { 5242 ccb->ccb_h.status = CAM_REQ_CMP; 5243 xpt_done(ccb); 5244 break; 5245 } 5246 5247 /* 5248 * We always update (internally) from goal_flags 5249 * so any request to change settings just gets 5250 * vectored to that location. 5251 */ 5252 dptr = &sdp->isp_devparam[tgt].goal_flags; 5253 5254 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 5255 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 5256 *dptr |= DPARM_DISC; 5257 else 5258 *dptr &= ~DPARM_DISC; 5259 } 5260 5261 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 5262 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 5263 *dptr |= DPARM_TQING; 5264 else 5265 *dptr &= ~DPARM_TQING; 5266 } 5267 5268 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 5269 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 5270 *dptr |= DPARM_WIDE; 5271 else 5272 *dptr &= ~DPARM_WIDE; 5273 } 5274 5275 /* 5276 * XXX: FIX ME 5277 */ 5278 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 5279 *dptr |= DPARM_SYNC; 5280 /* 5281 * XXX: CHECK FOR LEGALITY 5282 */ 5283 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 5284 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 5285 } else { 5286 *dptr &= ~DPARM_SYNC; 5287 } 5288 isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%jx) to flags %x off %x per %x", bus, tgt, (uintmax_t)cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags, 5289 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 5290 sdp->isp_devparam[tgt].dev_update = 1; 5291 sdp->update = 1; 5292 } 5293 ccb->ccb_h.status = CAM_REQ_CMP; 5294 xpt_done(ccb); 5295 break; 5296 case XPT_GET_TRAN_SETTINGS: 5297 cts = &ccb->cts; 5298 tgt = cts->ccb_h.target_id; 5299 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 5300 if (IS_FC(isp)) { 5301 fcparam *fcp = FCPARAM(isp, bus); 5302 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5303 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 5304 unsigned int hdlidx; 5305 5306 cts->protocol = PROTO_SCSI; 5307 cts->protocol_version = SCSI_REV_2; 5308 cts->transport = XPORT_FC; 5309 cts->transport_version = 0; 5310 5311 scsi->valid = CTS_SCSI_VALID_TQ; 5312 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 5313 fc->valid = CTS_FC_VALID_SPEED; 5314 fc->bitrate = 100000; 5315 fc->bitrate *= fcp->isp_gbspeed; 5316 hdlidx = fcp->isp_dev_map[tgt] - 1; 5317 if (hdlidx < MAX_FC_TARG) { 5318 fcportdb_t *lp = &fcp->portdb[hdlidx]; 5319 fc->wwnn = lp->node_wwn; 5320 fc->wwpn = lp->port_wwn; 5321 fc->port = lp->portid; 5322 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 5323 } 5324 } else { 5325 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5326 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 5327 sdparam *sdp = SDPARAM(isp, bus); 5328 uint16_t dval, pval, oval; 5329 5330 if (IS_CURRENT_SETTINGS(cts)) { 5331 sdp->isp_devparam[tgt].dev_refresh = 1; 5332 sdp->update = 1; 5333 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 5334 dval = sdp->isp_devparam[tgt].actv_flags; 5335 oval = sdp->isp_devparam[tgt].actv_offset; 5336 pval = sdp->isp_devparam[tgt].actv_period; 5337 } else { 5338 dval = sdp->isp_devparam[tgt].nvrm_flags; 5339 oval = sdp->isp_devparam[tgt].nvrm_offset; 5340 pval = sdp->isp_devparam[tgt].nvrm_period; 5341 } 5342 5343 cts->protocol = PROTO_SCSI; 5344 cts->protocol_version = SCSI_REV_2; 5345 cts->transport = XPORT_SPI; 5346 cts->transport_version = 2; 5347 5348 spi->valid = 0; 5349 scsi->valid = 0; 5350 spi->flags = 0; 5351 scsi->flags = 0; 5352 if (dval & DPARM_DISC) { 5353 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 5354 } 5355 if ((dval & DPARM_SYNC) && oval && pval) { 5356 spi->sync_offset = oval; 5357 spi->sync_period = pval; 5358 } else { 5359 spi->sync_offset = 0; 5360 spi->sync_period = 0; 5361 } 5362 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 5363 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 5364 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 5365 if (dval & DPARM_WIDE) { 5366 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 5367 } else { 5368 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 5369 } 5370 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 5371 scsi->valid = CTS_SCSI_VALID_TQ; 5372 if (dval & DPARM_TQING) { 5373 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 5374 } 5375 spi->valid |= CTS_SPI_VALID_DISC; 5376 } 5377 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 5378 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval); 5379 } 5380 ccb->ccb_h.status = CAM_REQ_CMP; 5381 xpt_done(ccb); 5382 break; 5383 5384 case XPT_CALC_GEOMETRY: 5385 cam_calc_geometry(&ccb->ccg, 1); 5386 xpt_done(ccb); 5387 break; 5388 5389 case XPT_RESET_BUS: /* Reset the specified bus */ 5390 bus = cam_sim_bus(sim); 5391 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 5392 if (error) { 5393 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5394 xpt_done(ccb); 5395 break; 5396 } 5397 if (bootverbose) { 5398 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 5399 } 5400 if (IS_FC(isp)) { 5401 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 5402 } else { 5403 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 5404 } 5405 ccb->ccb_h.status = CAM_REQ_CMP; 5406 xpt_done(ccb); 5407 break; 5408 5409 case XPT_TERM_IO: /* Terminate the I/O process */ 5410 ccb->ccb_h.status = CAM_REQ_INVALID; 5411 xpt_done(ccb); 5412 break; 5413 5414 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 5415 { 5416 struct ccb_sim_knob *kp = &ccb->knob; 5417 fcparam *fcp; 5418 5419 if (!IS_FC(isp)) { 5420 ccb->ccb_h.status = CAM_REQ_INVALID; 5421 xpt_done(ccb); 5422 break; 5423 } 5424 5425 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 5426 fcp = FCPARAM(isp, bus); 5427 5428 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 5429 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 5430 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 5431 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 5432 } 5433 ccb->ccb_h.status = CAM_REQ_CMP; 5434 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 5435 int rchange = 0; 5436 int newrole = 0; 5437 5438 switch (kp->xport_specific.fc.role) { 5439 case KNOB_ROLE_NONE: 5440 if (fcp->role != ISP_ROLE_NONE) { 5441 rchange = 1; 5442 newrole = ISP_ROLE_NONE; 5443 } 5444 break; 5445 case KNOB_ROLE_TARGET: 5446 if (fcp->role != ISP_ROLE_TARGET) { 5447 rchange = 1; 5448 newrole = ISP_ROLE_TARGET; 5449 } 5450 break; 5451 case KNOB_ROLE_INITIATOR: 5452 if (fcp->role != ISP_ROLE_INITIATOR) { 5453 rchange = 1; 5454 newrole = ISP_ROLE_INITIATOR; 5455 } 5456 break; 5457 case KNOB_ROLE_BOTH: 5458 #if 0 5459 if (fcp->role != ISP_ROLE_BOTH) { 5460 rchange = 1; 5461 newrole = ISP_ROLE_BOTH; 5462 } 5463 #else 5464 /* 5465 * We don't really support dual role at present on FC cards. 5466 * 5467 * We should, but a bunch of things are currently broken, 5468 * so don't allow it. 5469 */ 5470 isp_prt(isp, ISP_LOGERR, "cannot support dual role at present"); 5471 ccb->ccb_h.status = CAM_REQ_INVALID; 5472 #endif 5473 break; 5474 } 5475 if (rchange) { 5476 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 5477 #ifdef ISP_TARGET_MODE 5478 ISP_SET_PC(isp, bus, tm_enabled, 0); 5479 ISP_SET_PC(isp, bus, tm_luns_enabled, 0); 5480 #endif 5481 if (isp_fc_change_role(isp, bus, newrole) != 0) { 5482 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5483 xpt_done(ccb); 5484 break; 5485 } 5486 #ifdef ISP_TARGET_MODE 5487 if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) { 5488 /* 5489 * Give the new role a chance to complain and settle 5490 */ 5491 msleep(isp, &isp->isp_lock, PRIBIO, "taking a breather", 2); 5492 ccb->ccb_h.status = isp_enable_deferred_luns(isp, bus); 5493 } 5494 #endif 5495 } 5496 } 5497 xpt_done(ccb); 5498 break; 5499 } 5500 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 5501 { 5502 struct ccb_sim_knob *kp = &ccb->knob; 5503 5504 if (IS_FC(isp)) { 5505 fcparam *fcp; 5506 5507 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 5508 fcp = FCPARAM(isp, bus); 5509 5510 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 5511 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 5512 switch (fcp->role) { 5513 case ISP_ROLE_NONE: 5514 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 5515 break; 5516 case ISP_ROLE_TARGET: 5517 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 5518 break; 5519 case ISP_ROLE_INITIATOR: 5520 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 5521 break; 5522 case ISP_ROLE_BOTH: 5523 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 5524 break; 5525 } 5526 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 5527 ccb->ccb_h.status = CAM_REQ_CMP; 5528 } else { 5529 ccb->ccb_h.status = CAM_REQ_INVALID; 5530 } 5531 xpt_done(ccb); 5532 break; 5533 } 5534 case XPT_PATH_INQ: /* Path routing inquiry */ 5535 { 5536 struct ccb_pathinq *cpi = &ccb->cpi; 5537 5538 cpi->version_num = 1; 5539 #ifdef ISP_TARGET_MODE 5540 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 5541 #else 5542 cpi->target_sprt = 0; 5543 #endif 5544 cpi->hba_eng_cnt = 0; 5545 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 5546 cpi->max_lun = ISP_MAX_LUNS(isp) - 1; 5547 cpi->bus_id = cam_sim_bus(sim); 5548 if (isp->isp_osinfo.sixtyfourbit) 5549 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 5550 else 5551 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 5552 5553 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path)); 5554 if (IS_FC(isp)) { 5555 fcparam *fcp = FCPARAM(isp, bus); 5556 5557 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 5558 5559 /* 5560 * Because our loop ID can shift from time to time, 5561 * make our initiator ID out of range of our bus. 5562 */ 5563 cpi->initiator_id = cpi->max_target + 1; 5564 5565 /* 5566 * Set base transfer capabilities for Fibre Channel, for this HBA. 5567 */ 5568 if (IS_25XX(isp)) { 5569 cpi->base_transfer_speed = 8000000; 5570 } else if (IS_24XX(isp)) { 5571 cpi->base_transfer_speed = 4000000; 5572 } else if (IS_23XX(isp)) { 5573 cpi->base_transfer_speed = 2000000; 5574 } else { 5575 cpi->base_transfer_speed = 1000000; 5576 } 5577 cpi->hba_inquiry = PI_TAG_ABLE; 5578 cpi->transport = XPORT_FC; 5579 cpi->transport_version = 0; 5580 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 5581 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 5582 cpi->xport_specific.fc.port = fcp->isp_portid; 5583 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 5584 } else { 5585 sdparam *sdp = SDPARAM(isp, bus); 5586 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 5587 cpi->hba_misc = PIM_UNMAPPED; 5588 cpi->initiator_id = sdp->isp_initiator_id; 5589 cpi->base_transfer_speed = 3300; 5590 cpi->transport = XPORT_SPI; 5591 cpi->transport_version = 2; 5592 } 5593 cpi->protocol = PROTO_SCSI; 5594 cpi->protocol_version = SCSI_REV_2; 5595 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 5596 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 5597 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 5598 cpi->unit_number = cam_sim_unit(sim); 5599 cpi->ccb_h.status = CAM_REQ_CMP; 5600 xpt_done(ccb); 5601 break; 5602 } 5603 default: 5604 ccb->ccb_h.status = CAM_REQ_INVALID; 5605 xpt_done(ccb); 5606 break; 5607 } 5608 } 5609 5610 #define ISPDDB (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB) 5611 5612 void 5613 isp_done(XS_T *sccb) 5614 { 5615 ispsoftc_t *isp = XS_ISP(sccb); 5616 uint32_t status; 5617 5618 if (XS_NOERR(sccb)) 5619 XS_SETERR(sccb, CAM_REQ_CMP); 5620 5621 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 5622 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 5623 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 5624 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 5625 } else { 5626 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 5627 } 5628 } 5629 5630 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5631 status = sccb->ccb_h.status & CAM_STATUS_MASK; 5632 if (status != CAM_REQ_CMP) { 5633 if (status != CAM_SEL_TIMEOUT) 5634 isp_prt(isp, ISP_LOGDEBUG0, "target %d lun %d CAM status 0x%x SCSI status 0x%x", XS_TGT(sccb), XS_LUN(sccb), sccb->ccb_h.status, sccb->scsi_status); 5635 else if ((IS_FC(isp)) 5636 && (XS_TGT(sccb) < MAX_FC_TARG)) { 5637 fcparam *fcp; 5638 int hdlidx; 5639 5640 fcp = FCPARAM(isp, XS_CHANNEL(sccb)); 5641 hdlidx = fcp->isp_dev_map[XS_TGT(sccb)] - 1; 5642 /* 5643 * Note that we have reported that this device is 5644 * gone. If it reappears, we'll need to issue a 5645 * rescan. 5646 */ 5647 if (hdlidx >= 0 && hdlidx < MAX_FC_TARG) 5648 fcp->portdb[hdlidx].reported_gone = 1; 5649 } 5650 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 5651 sccb->ccb_h.status |= CAM_DEV_QFRZN; 5652 xpt_freeze_devq(sccb->ccb_h.path, 1); 5653 } 5654 } 5655 5656 if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 5657 xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status); 5658 } 5659 5660 if (ISP_PCMD(sccb)) { 5661 if (callout_active(&PISP_PCMD(sccb)->wdog)) 5662 callout_stop(&PISP_PCMD(sccb)->wdog); 5663 isp_free_pcmd(isp, (union ccb *) sccb); 5664 } 5665 xpt_done((union ccb *) sccb); 5666 } 5667 5668 void 5669 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 5670 { 5671 int bus; 5672 static const char prom0[] = "Chan %d PortID 0x%06x handle 0x%x %s %s WWPN 0x%08x%08x"; 5673 static const char prom2[] = "Chan %d PortID 0x%06x handle 0x%x %s %s tgt %u WWPN 0x%08x%08x"; 5674 char buf[64]; 5675 char *msg = NULL; 5676 target_id_t tgt; 5677 fcportdb_t *lp; 5678 struct isp_fc *fc; 5679 struct cam_path *tmppath; 5680 va_list ap; 5681 5682 switch (cmd) { 5683 case ISPASYNC_NEW_TGT_PARAMS: 5684 { 5685 struct ccb_trans_settings_scsi *scsi; 5686 struct ccb_trans_settings_spi *spi; 5687 int flags, tgt; 5688 sdparam *sdp; 5689 struct ccb_trans_settings cts; 5690 5691 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 5692 5693 va_start(ap, cmd); 5694 bus = va_arg(ap, int); 5695 tgt = va_arg(ap, int); 5696 va_end(ap); 5697 sdp = SDPARAM(isp, bus); 5698 5699 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 5700 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 5701 break; 5702 } 5703 flags = sdp->isp_devparam[tgt].actv_flags; 5704 cts.type = CTS_TYPE_CURRENT_SETTINGS; 5705 cts.protocol = PROTO_SCSI; 5706 cts.transport = XPORT_SPI; 5707 5708 scsi = &cts.proto_specific.scsi; 5709 spi = &cts.xport_specific.spi; 5710 5711 if (flags & DPARM_TQING) { 5712 scsi->valid |= CTS_SCSI_VALID_TQ; 5713 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 5714 } 5715 5716 if (flags & DPARM_DISC) { 5717 spi->valid |= CTS_SPI_VALID_DISC; 5718 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 5719 } 5720 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 5721 if (flags & DPARM_WIDE) { 5722 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 5723 } else { 5724 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 5725 } 5726 if (flags & DPARM_SYNC) { 5727 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 5728 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 5729 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 5730 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 5731 } 5732 isp_prt(isp, ISP_LOGDEBUG2, "NEW_TGT_PARAMS bus %d tgt %d period %x offset %x flags %x", bus, tgt, sdp->isp_devparam[tgt].actv_period, sdp->isp_devparam[tgt].actv_offset, flags); 5733 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 5734 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 5735 xpt_free_path(tmppath); 5736 break; 5737 } 5738 case ISPASYNC_BUS_RESET: 5739 { 5740 va_start(ap, cmd); 5741 bus = va_arg(ap, int); 5742 va_end(ap); 5743 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 5744 if (IS_FC(isp)) { 5745 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 5746 } else { 5747 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 5748 } 5749 break; 5750 } 5751 case ISPASYNC_LIP: 5752 if (msg == NULL) { 5753 msg = "LIP Received"; 5754 } 5755 /* FALLTHROUGH */ 5756 case ISPASYNC_LOOP_RESET: 5757 if (msg == NULL) { 5758 msg = "LOOP Reset"; 5759 } 5760 /* FALLTHROUGH */ 5761 case ISPASYNC_LOOP_DOWN: 5762 { 5763 if (msg == NULL) { 5764 msg = "LOOP Down"; 5765 } 5766 va_start(ap, cmd); 5767 bus = va_arg(ap, int); 5768 va_end(ap); 5769 5770 FCPARAM(isp, bus)->link_active = 0; 5771 5772 fc = ISP_FC_PC(isp, bus); 5773 if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) { 5774 /* 5775 * We don't do any simq freezing if we are only in target mode 5776 */ 5777 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) { 5778 if (fc->path) { 5779 isp_freeze_loopdown(isp, bus, msg); 5780 } 5781 if (!callout_active(&fc->ldt)) { 5782 callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc); 5783 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_uptime); 5784 } 5785 } 5786 } 5787 isp_fcp_reset_crn(fc, /*tgt*/0, /*tgt_set*/ 0); 5788 5789 isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg); 5790 break; 5791 } 5792 case ISPASYNC_LOOP_UP: 5793 va_start(ap, cmd); 5794 bus = va_arg(ap, int); 5795 va_end(ap); 5796 fc = ISP_FC_PC(isp, bus); 5797 /* 5798 * Now we just note that Loop has come up. We don't 5799 * actually do anything because we're waiting for a 5800 * Change Notify before activating the FC cleanup 5801 * thread to look at the state of the loop again. 5802 */ 5803 FCPARAM(isp, bus)->link_active = 1; 5804 fc->loop_dead = 0; 5805 fc->loop_down_time = 0; 5806 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus); 5807 break; 5808 case ISPASYNC_DEV_ARRIVED: 5809 va_start(ap, cmd); 5810 bus = va_arg(ap, int); 5811 lp = va_arg(ap, fcportdb_t *); 5812 va_end(ap); 5813 fc = ISP_FC_PC(isp, bus); 5814 lp->announced = 0; 5815 lp->gone_timer = 0; 5816 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 5817 int dbidx = lp - FCPARAM(isp, bus)->portdb; 5818 int i; 5819 5820 for (i = 0; i < MAX_FC_TARG; i++) { 5821 if (i >= FL_ID && i <= SNS_ID) { 5822 continue; 5823 } 5824 if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) { 5825 break; 5826 } 5827 } 5828 if (i < MAX_FC_TARG) { 5829 FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1; 5830 lp->dev_map_idx = i + 1; 5831 } else { 5832 isp_prt(isp, ISP_LOGWARN, "out of target ids"); 5833 isp_dump_portdb(isp, bus); 5834 } 5835 } 5836 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5837 if (lp->dev_map_idx) { 5838 tgt = lp->dev_map_idx - 1; 5839 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "arrived at", tgt, (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5840 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5841 isp_make_here(isp, lp, bus, tgt); 5842 } else { 5843 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "arrived", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5844 } 5845 break; 5846 case ISPASYNC_DEV_CHANGED: 5847 va_start(ap, cmd); 5848 bus = va_arg(ap, int); 5849 lp = va_arg(ap, fcportdb_t *); 5850 va_end(ap); 5851 fc = ISP_FC_PC(isp, bus); 5852 lp->announced = 0; 5853 lp->gone_timer = 0; 5854 if (isp_change_is_bad) { 5855 lp->state = FC_PORTDB_STATE_NIL; 5856 if (lp->dev_map_idx) { 5857 tgt = lp->dev_map_idx - 1; 5858 FCPARAM(isp, bus)->isp_dev_map[tgt] = 0; 5859 lp->dev_map_idx = 0; 5860 isp_prt(isp, ISP_LOGCONFIG, prom3, bus, lp->portid, tgt, "change is bad"); 5861 isp_make_gone(isp, lp, bus, tgt); 5862 } else { 5863 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5864 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "changed and departed", 5865 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5866 } 5867 } else { 5868 lp->portid = lp->new_portid; 5869 lp->prli_word3 = lp->new_prli_word3; 5870 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5871 if (lp->dev_map_idx) { 5872 int t = lp->dev_map_idx - 1; 5873 FCPARAM(isp, bus)->isp_dev_map[t] = (lp - FCPARAM(isp, bus)->portdb) + 1; 5874 tgt = lp->dev_map_idx - 1; 5875 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "changed at", tgt, 5876 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5877 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5878 } else { 5879 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "changed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5880 } 5881 } 5882 break; 5883 case ISPASYNC_DEV_STAYED: 5884 va_start(ap, cmd); 5885 bus = va_arg(ap, int); 5886 lp = va_arg(ap, fcportdb_t *); 5887 va_end(ap); 5888 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5889 if (lp->dev_map_idx) { 5890 fc = ISP_FC_PC(isp, bus); 5891 tgt = lp->dev_map_idx - 1; 5892 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "stayed at", tgt, 5893 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5894 /* 5895 * Only issue a rescan if we've actually reported 5896 * that this device is gone. 5897 */ 5898 if (lp->reported_gone != 0) { 5899 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "rescanned at", tgt, 5900 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5901 isp_make_here(isp, lp, bus, tgt); 5902 } 5903 } else { 5904 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "stayed", 5905 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5906 } 5907 break; 5908 case ISPASYNC_DEV_GONE: 5909 va_start(ap, cmd); 5910 bus = va_arg(ap, int); 5911 lp = va_arg(ap, fcportdb_t *); 5912 va_end(ap); 5913 fc = ISP_FC_PC(isp, bus); 5914 /* 5915 * If this has a virtual target and we haven't marked it 5916 * that we're going to have isp_gdt tell the OS it's gone, 5917 * set the isp_gdt timer running on it. 5918 * 5919 * If it isn't marked that isp_gdt is going to get rid of it, 5920 * announce that it's gone. 5921 * 5922 */ 5923 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5924 if (lp->dev_map_idx && lp->announced == 0) { 5925 lp->announced = 1; 5926 lp->state = FC_PORTDB_STATE_ZOMBIE; 5927 lp->gone_timer = ISP_FC_PC(isp, bus)->gone_device_time; 5928 if (fc->ready && !callout_active(&fc->gdt)) { 5929 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Starting Gone Device Timer with %u seconds time now %lu", bus, lp->gone_timer, (unsigned long)time_uptime); 5930 callout_reset(&fc->gdt, hz, isp_gdt, fc); 5931 } 5932 tgt = lp->dev_map_idx - 1; 5933 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "gone zombie at", tgt, (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5934 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5935 } else if (lp->announced == 0) { 5936 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "departed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5937 } 5938 break; 5939 case ISPASYNC_CHANGE_NOTIFY: 5940 { 5941 char *msg; 5942 int evt, nphdl, nlstate, reason; 5943 5944 va_start(ap, cmd); 5945 bus = va_arg(ap, int); 5946 evt = va_arg(ap, int); 5947 if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) { 5948 nphdl = va_arg(ap, int); 5949 nlstate = va_arg(ap, int); 5950 reason = va_arg(ap, int); 5951 } else { 5952 nphdl = NIL_HANDLE; 5953 nlstate = reason = 0; 5954 } 5955 va_end(ap); 5956 fc = ISP_FC_PC(isp, bus); 5957 5958 if (evt == ISPASYNC_CHANGE_PDB) { 5959 msg = "Chan %d Port Database Changed"; 5960 } else if (evt == ISPASYNC_CHANGE_SNS) { 5961 msg = "Chan %d Name Server Database Changed"; 5962 } else { 5963 msg = "Chan %d Other Change Notify"; 5964 } 5965 5966 /* 5967 * If the loop down timer is running, cancel it. 5968 */ 5969 if (fc->ready && callout_active(&fc->ldt)) { 5970 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_uptime); 5971 callout_stop(&fc->ldt); 5972 } 5973 isp_prt(isp, ISP_LOGINFO, msg, bus); 5974 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) { 5975 isp_freeze_loopdown(isp, bus, msg); 5976 } 5977 wakeup(fc); 5978 break; 5979 } 5980 #ifdef ISP_TARGET_MODE 5981 case ISPASYNC_TARGET_NOTIFY: 5982 { 5983 isp_notify_t *notify; 5984 va_start(ap, cmd); 5985 notify = va_arg(ap, isp_notify_t *); 5986 va_end(ap); 5987 switch (notify->nt_ncode) { 5988 case NT_ABORT_TASK: 5989 case NT_ABORT_TASK_SET: 5990 case NT_CLEAR_ACA: 5991 case NT_CLEAR_TASK_SET: 5992 case NT_LUN_RESET: 5993 case NT_TARGET_RESET: 5994 /* 5995 * These are task management functions. 5996 */ 5997 isp_handle_platform_target_tmf(isp, notify); 5998 break; 5999 case NT_BUS_RESET: 6000 case NT_LIP_RESET: 6001 case NT_LINK_UP: 6002 case NT_LINK_DOWN: 6003 /* 6004 * No action need be taken here. 6005 */ 6006 break; 6007 case NT_HBA_RESET: 6008 isp_del_all_wwn_entries(isp, ISP_NOCHAN); 6009 break; 6010 case NT_GLOBAL_LOGOUT: 6011 case NT_LOGOUT: 6012 /* 6013 * This is device arrival/departure notification 6014 */ 6015 isp_handle_platform_target_notify_ack(isp, notify); 6016 break; 6017 case NT_ARRIVED: 6018 { 6019 struct ac_contract ac; 6020 struct ac_device_changed *fc; 6021 6022 ac.contract_number = AC_CONTRACT_DEV_CHG; 6023 fc = (struct ac_device_changed *) ac.contract_data; 6024 fc->wwpn = notify->nt_wwn; 6025 fc->port = notify->nt_sid; 6026 fc->target = notify->nt_nphdl; 6027 fc->arrived = 1; 6028 xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac); 6029 break; 6030 } 6031 case NT_DEPARTED: 6032 { 6033 struct ac_contract ac; 6034 struct ac_device_changed *fc; 6035 6036 ac.contract_number = AC_CONTRACT_DEV_CHG; 6037 fc = (struct ac_device_changed *) ac.contract_data; 6038 fc->wwpn = notify->nt_wwn; 6039 fc->port = notify->nt_sid; 6040 fc->target = notify->nt_nphdl; 6041 fc->arrived = 0; 6042 xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac); 6043 break; 6044 } 6045 default: 6046 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 6047 isp_handle_platform_target_notify_ack(isp, notify); 6048 break; 6049 } 6050 break; 6051 } 6052 case ISPASYNC_TARGET_NOTIFY_ACK: 6053 { 6054 void *inot; 6055 va_start(ap, cmd); 6056 inot = va_arg(ap, void *); 6057 va_end(ap); 6058 if (isp_notify_ack(isp, inot)) { 6059 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 6060 if (tp) { 6061 tp->isp = isp; 6062 if (inot) { 6063 memcpy(tp->data, inot, sizeof (tp->data)); 6064 tp->not = tp->data; 6065 } else { 6066 tp->not = NULL; 6067 } 6068 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 6069 callout_reset(&tp->timer, 5, 6070 isp_refire_notify_ack, tp); 6071 } else { 6072 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 6073 } 6074 } 6075 break; 6076 } 6077 case ISPASYNC_TARGET_ACTION: 6078 { 6079 isphdr_t *hp; 6080 6081 va_start(ap, cmd); 6082 hp = va_arg(ap, isphdr_t *); 6083 va_end(ap); 6084 switch (hp->rqs_entry_type) { 6085 default: 6086 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type); 6087 break; 6088 case RQSTYPE_NOTIFY: 6089 if (IS_SCSI(isp)) { 6090 isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp); 6091 } else if (IS_24XX(isp)) { 6092 isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp); 6093 } else { 6094 isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp); 6095 } 6096 break; 6097 case RQSTYPE_ATIO: 6098 if (IS_24XX(isp)) { 6099 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 6100 } else { 6101 isp_handle_platform_atio(isp, (at_entry_t *) hp); 6102 } 6103 break; 6104 case RQSTYPE_ATIO2: 6105 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 6106 break; 6107 case RQSTYPE_CTIO7: 6108 case RQSTYPE_CTIO3: 6109 case RQSTYPE_CTIO2: 6110 case RQSTYPE_CTIO: 6111 isp_handle_platform_ctio(isp, hp); 6112 break; 6113 case RQSTYPE_ABTS_RCVD: 6114 { 6115 abts_t *abts = (abts_t *)hp; 6116 isp_notify_t notify, *nt = ¬ify; 6117 tstate_t *tptr; 6118 fcportdb_t *lp; 6119 uint16_t chan; 6120 uint32_t sid, did; 6121 6122 did = (abts->abts_did_hi << 16) | abts->abts_did_lo; 6123 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo; 6124 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 6125 6126 nt->nt_hba = isp; 6127 nt->nt_did = did; 6128 nt->nt_nphdl = abts->abts_nphdl; 6129 nt->nt_sid = sid; 6130 isp_find_chan_by_did(isp, did, &chan); 6131 if (chan == ISP_NOCHAN) { 6132 nt->nt_tgt = TGT_ANY; 6133 } else { 6134 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn; 6135 if (isp_find_pdb_by_loopid(isp, chan, abts->abts_nphdl, &lp)) { 6136 nt->nt_wwn = lp->port_wwn; 6137 } else { 6138 nt->nt_wwn = INI_ANY; 6139 } 6140 } 6141 /* 6142 * Try hard to find the lun for this command. 6143 */ 6144 tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task); 6145 if (tptr) { 6146 nt->nt_lun = tptr->ts_lun; 6147 rls_lun_statep(isp, tptr); 6148 } else { 6149 nt->nt_lun = LUN_ANY; 6150 } 6151 nt->nt_need_ack = 1; 6152 nt->nt_tagval = abts->abts_rxid_task; 6153 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32); 6154 if (abts->abts_rxid_task == ISP24XX_NO_TASK) { 6155 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x Port 0x%06x has no task id (rx_id 0x%04x ox_id 0x%04x)", 6156 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id); 6157 } else { 6158 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x Port 0x%06x for task 0x%x (rx_id 0x%04x ox_id 0x%04x)", 6159 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id); 6160 } 6161 nt->nt_channel = chan; 6162 nt->nt_ncode = NT_ABORT_TASK; 6163 nt->nt_lreserved = hp; 6164 isp_handle_platform_target_tmf(isp, nt); 6165 break; 6166 } 6167 case RQSTYPE_ENABLE_LUN: 6168 case RQSTYPE_MODIFY_LUN: 6169 isp_ledone(isp, (lun_entry_t *) hp); 6170 break; 6171 } 6172 break; 6173 } 6174 #endif 6175 case ISPASYNC_FW_CRASH: 6176 { 6177 uint16_t mbox1, mbox6; 6178 mbox1 = ISP_READ(isp, OUTMAILBOX1); 6179 if (IS_DUALBUS(isp)) { 6180 mbox6 = ISP_READ(isp, OUTMAILBOX6); 6181 } else { 6182 mbox6 = 0; 6183 } 6184 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 6185 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 6186 isp->isp_osinfo.mbox_sleep_ok = 0; 6187 isp_reinit(isp, 1); 6188 isp->isp_osinfo.mbox_sleep_ok = mbox1; 6189 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 6190 break; 6191 } 6192 default: 6193 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 6194 break; 6195 } 6196 } 6197 6198 6199 /* 6200 * Locks are held before coming here. 6201 */ 6202 void 6203 isp_uninit(ispsoftc_t *isp) 6204 { 6205 if (IS_24XX(isp)) { 6206 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET); 6207 } else { 6208 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET); 6209 } 6210 ISP_DISABLE_INTS(isp); 6211 } 6212 6213 /* 6214 * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them 6215 * up from our platform default (defww{p|n}n) and morph them based upon 6216 * channel. 6217 * 6218 * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them 6219 * based upon channel. 6220 */ 6221 6222 uint64_t 6223 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 6224 { 6225 uint64_t seed; 6226 struct isp_fc *fc = ISP_FC_PC(isp, chan); 6227 6228 /* 6229 * If we're asking for a active WWN, the default overrides get 6230 * returned, otherwise the NVRAM value is picked. 6231 * 6232 * If we're asking for a default WWN, we just pick the default override. 6233 */ 6234 if (isactive) { 6235 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 6236 if (seed) { 6237 return (seed); 6238 } 6239 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram; 6240 if (seed) { 6241 return (seed); 6242 } 6243 return (0x400000007F000009ull); 6244 } 6245 6246 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 6247 6248 /* 6249 * For channel zero just return what we have. For either ACTIVE or 6250 * DEFAULT cases, we depend on default override of NVRAM values for 6251 * channel zero. 6252 */ 6253 if (chan == 0) { 6254 return (seed); 6255 } 6256 6257 /* 6258 * For other channels, we are doing one of three things: 6259 * 6260 * 1. If what we have now is non-zero, return it. Otherwise we morph 6261 * values from channel 0. 2. If we're here for a WWPN we synthesize 6262 * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a 6263 * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA. 6264 */ 6265 6266 if (seed) { 6267 return (seed); 6268 } 6269 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn; 6270 if (seed == 0) 6271 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram; 6272 6273 if (((seed >> 60) & 0xf) == 2) { 6274 /* 6275 * The type 2 NAA fields for QLogic cards appear be laid out 6276 * thusly: 6277 * 6278 * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56 6279 * port (1) or node (0) WWN distinguishor bit 48 6280 * physical port on dual-port chips (23XX/24XX) 6281 * 6282 * This is somewhat nutty, particularly since bit 48 is 6283 * irrelevant as they assign separate serial numbers to 6284 * different physical ports anyway. 6285 * 6286 * We'll stick our channel number plus one first into bits 6287 * 57..59 and thence into bits 52..55 which allows for 8 bits 6288 * of channel which is comfortably more than our maximum 6289 * (126) now. 6290 */ 6291 seed &= ~0x0FF0000000000000ULL; 6292 if (iswwnn == 0) { 6293 seed |= ((uint64_t) (chan + 1) & 0xf) << 56; 6294 seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 6295 } 6296 } else { 6297 seed = 0; 6298 } 6299 return (seed); 6300 } 6301 6302 void 6303 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 6304 { 6305 int loc; 6306 char lbuf[200]; 6307 va_list ap; 6308 6309 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 6310 return; 6311 } 6312 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 6313 loc = strlen(lbuf); 6314 va_start(ap, fmt); 6315 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 6316 va_end(ap); 6317 printf("%s\n", lbuf); 6318 } 6319 6320 void 6321 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 6322 { 6323 va_list ap; 6324 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 6325 return; 6326 } 6327 xpt_print_path(xs->ccb_h.path); 6328 va_start(ap, fmt); 6329 vprintf(fmt, ap); 6330 va_end(ap); 6331 printf("\n"); 6332 } 6333 6334 uint64_t 6335 isp_nanotime_sub(struct timespec *b, struct timespec *a) 6336 { 6337 uint64_t elapsed; 6338 struct timespec x = *b; 6339 timespecsub(&x, a); 6340 elapsed = GET_NANOSEC(&x); 6341 if (elapsed == 0) 6342 elapsed++; 6343 return (elapsed); 6344 } 6345 6346 int 6347 isp_mbox_acquire(ispsoftc_t *isp) 6348 { 6349 if (isp->isp_osinfo.mboxbsy) { 6350 return (1); 6351 } else { 6352 isp->isp_osinfo.mboxcmd_done = 0; 6353 isp->isp_osinfo.mboxbsy = 1; 6354 return (0); 6355 } 6356 } 6357 6358 void 6359 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 6360 { 6361 unsigned int usecs = mbp->timeout; 6362 unsigned int max, olim, ilim; 6363 6364 if (usecs == 0) { 6365 usecs = MBCMD_DEFAULT_TIMEOUT; 6366 } 6367 max = isp->isp_mbxwrk0 + 1; 6368 6369 if (isp->isp_osinfo.mbox_sleep_ok) { 6370 unsigned int ms = (usecs + 999) / 1000; 6371 6372 isp->isp_osinfo.mbox_sleep_ok = 0; 6373 isp->isp_osinfo.mbox_sleeping = 1; 6374 for (olim = 0; olim < max; olim++) { 6375 msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms)); 6376 if (isp->isp_osinfo.mboxcmd_done) { 6377 break; 6378 } 6379 } 6380 isp->isp_osinfo.mbox_sleep_ok = 1; 6381 isp->isp_osinfo.mbox_sleeping = 0; 6382 } else { 6383 for (olim = 0; olim < max; olim++) { 6384 for (ilim = 0; ilim < usecs; ilim += 100) { 6385 uint32_t isr; 6386 uint16_t sema, mbox; 6387 if (isp->isp_osinfo.mboxcmd_done) { 6388 break; 6389 } 6390 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 6391 isp_intr(isp, isr, sema, mbox); 6392 if (isp->isp_osinfo.mboxcmd_done) { 6393 break; 6394 } 6395 } 6396 ISP_DELAY(100); 6397 } 6398 if (isp->isp_osinfo.mboxcmd_done) { 6399 break; 6400 } 6401 } 6402 } 6403 if (isp->isp_osinfo.mboxcmd_done == 0) { 6404 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)", 6405 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno); 6406 mbp->param[0] = MBOX_TIMEOUT; 6407 isp->isp_osinfo.mboxcmd_done = 1; 6408 } 6409 } 6410 6411 void 6412 isp_mbox_notify_done(ispsoftc_t *isp) 6413 { 6414 if (isp->isp_osinfo.mbox_sleeping) { 6415 wakeup(&isp->isp_mbxworkp); 6416 } 6417 isp->isp_osinfo.mboxcmd_done = 1; 6418 } 6419 6420 void 6421 isp_mbox_release(ispsoftc_t *isp) 6422 { 6423 isp->isp_osinfo.mboxbsy = 0; 6424 } 6425 6426 int 6427 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 6428 { 6429 int ret = 0; 6430 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 6431 ret = -1; 6432 } else { 6433 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 6434 } 6435 return (ret); 6436 } 6437 6438 int 6439 isp_mstohz(int ms) 6440 { 6441 int hz; 6442 struct timeval t; 6443 t.tv_sec = ms / 1000; 6444 t.tv_usec = (ms % 1000) * 1000; 6445 hz = tvtohz(&t); 6446 if (hz < 0) { 6447 hz = 0x7fffffff; 6448 } 6449 if (hz == 0) { 6450 hz = 1; 6451 } 6452 return (hz); 6453 } 6454 6455 void 6456 isp_platform_intr(void *arg) 6457 { 6458 ispsoftc_t *isp = arg; 6459 uint32_t isr; 6460 uint16_t sema, mbox; 6461 6462 ISP_LOCK(isp); 6463 isp->isp_intcnt++; 6464 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) { 6465 isp->isp_intbogus++; 6466 } else { 6467 isp_intr(isp, isr, sema, mbox); 6468 } 6469 ISP_UNLOCK(isp); 6470 } 6471 6472 void 6473 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 6474 { 6475 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 6476 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 6477 } else { 6478 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 6479 } 6480 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 6481 } 6482 6483 /* 6484 * Reset the command reference number for all LUNs on a specific target 6485 * (needed when a target arrives again) or for all targets on a port 6486 * (needed for events like a LIP). 6487 */ 6488 void 6489 isp_fcp_reset_crn(struct isp_fc *fc, uint32_t tgt, int tgt_set) 6490 { 6491 int i; 6492 struct isp_nexus *nxp; 6493 6494 if (tgt_set == 0) 6495 isp_prt(fc->isp, ISP_LOG_SANCFG, "resetting CRN on all targets"); 6496 else 6497 isp_prt(fc->isp, ISP_LOG_SANCFG, "resetting CRN target %u", tgt); 6498 6499 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 6500 nxp = fc->nexus_hash[i]; 6501 while (nxp) { 6502 if ((tgt_set != 0) && (tgt == nxp->tgt)) 6503 nxp->crnseed = 0; 6504 6505 nxp = nxp->next; 6506 } 6507 } 6508 } 6509 6510 int 6511 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 6512 { 6513 uint32_t chan, tgt, lun; 6514 struct isp_fc *fc; 6515 struct isp_nexus *nxp; 6516 int idx; 6517 6518 if (isp->isp_type < ISP_HA_FC_2300) 6519 return (0); 6520 6521 chan = XS_CHANNEL(cmd); 6522 tgt = XS_TGT(cmd); 6523 lun = XS_LUN(cmd); 6524 fc = &isp->isp_osinfo.pc.fc[chan]; 6525 idx = NEXUS_HASH(tgt, lun); 6526 nxp = fc->nexus_hash[idx]; 6527 6528 while (nxp) { 6529 if (nxp->tgt == tgt && nxp->lun == lun) 6530 break; 6531 nxp = nxp->next; 6532 } 6533 if (nxp == NULL) { 6534 nxp = fc->nexus_free_list; 6535 if (nxp == NULL) { 6536 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 6537 if (nxp == NULL) { 6538 return (-1); 6539 } 6540 } else { 6541 fc->nexus_free_list = nxp->next; 6542 } 6543 nxp->tgt = tgt; 6544 nxp->lun = lun; 6545 nxp->next = fc->nexus_hash[idx]; 6546 fc->nexus_hash[idx] = nxp; 6547 } 6548 if (nxp) { 6549 if (nxp->crnseed == 0) 6550 nxp->crnseed = 1; 6551 if (cmd) 6552 PISP_PCMD(cmd)->crn = nxp->crnseed; 6553 *crnp = nxp->crnseed++; 6554 return (0); 6555 } 6556 return (-1); 6557 } 6558 6559 /* 6560 * We enter with the lock held 6561 */ 6562 void 6563 isp_timer(void *arg) 6564 { 6565 ispsoftc_t *isp = arg; 6566 #ifdef ISP_TARGET_MODE 6567 isp_tmcmd_restart(isp); 6568 #endif 6569 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 6570 } 6571 6572 isp_ecmd_t * 6573 isp_get_ecmd(ispsoftc_t *isp) 6574 { 6575 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 6576 if (ecmd) { 6577 isp->isp_osinfo.ecmd_free = ecmd->next; 6578 } 6579 return (ecmd); 6580 } 6581 6582 void 6583 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 6584 { 6585 ecmd->next = isp->isp_osinfo.ecmd_free; 6586 isp->isp_osinfo.ecmd_free = ecmd; 6587 } 6588