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_quickboot_time = 7; /* don't wait more than N secs for loop up */ 56 int isp_gone_device_time = 30; /* grace time before reporting device lost */ 57 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 58 59 static void isp_freeze_loopdown(ispsoftc_t *, int, char *); 60 static d_ioctl_t ispioctl; 61 static void isp_intr_enable(void *); 62 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *); 63 static void isp_poll(struct cam_sim *); 64 static timeout_t isp_watchdog; 65 static timeout_t isp_gdt; 66 static task_fn_t isp_gdt_task; 67 static timeout_t isp_ldt; 68 static task_fn_t isp_ldt_task; 69 static void isp_kthread(void *); 70 static void isp_action(struct cam_sim *, union ccb *); 71 static int isp_timer_count; 72 static void isp_timer(void *); 73 74 static struct cdevsw isp_cdevsw = { 75 .d_version = D_VERSION, 76 .d_ioctl = ispioctl, 77 .d_name = "isp", 78 }; 79 80 static int 81 isp_role_sysctl(SYSCTL_HANDLER_ARGS) 82 { 83 ispsoftc_t *isp = (ispsoftc_t *)arg1; 84 int chan = arg2; 85 int error, old, value; 86 87 value = FCPARAM(isp, chan)->role; 88 89 error = sysctl_handle_int(oidp, &value, 0, req); 90 if ((error != 0) || (req->newptr == NULL)) 91 return (error); 92 93 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 94 return (EINVAL); 95 96 ISP_LOCK(isp); 97 old = FCPARAM(isp, chan)->role; 98 99 /* We don't allow target mode switch from here. */ 100 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 101 102 /* If nothing has changed -- we are done. */ 103 if (value == old) { 104 ISP_UNLOCK(isp); 105 return (0); 106 } 107 108 /* Actually change the role. */ 109 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 110 ISP_UNLOCK(isp); 111 return (error); 112 } 113 114 static int 115 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 116 { 117 struct ccb_setasync csa; 118 struct cam_sim *sim; 119 struct cam_path *path; 120 121 /* 122 * Construct our SIM entry. 123 */ 124 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); 125 126 if (sim == NULL) { 127 return (ENOMEM); 128 } 129 130 ISP_LOCK(isp); 131 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 132 ISP_UNLOCK(isp); 133 cam_sim_free(sim, FALSE); 134 return (EIO); 135 } 136 ISP_UNLOCK(isp); 137 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 138 ISP_LOCK(isp); 139 xpt_bus_deregister(cam_sim_path(sim)); 140 ISP_UNLOCK(isp); 141 cam_sim_free(sim, FALSE); 142 return (ENXIO); 143 } 144 xpt_setup_ccb(&csa.ccb_h, path, 5); 145 csa.ccb_h.func_code = XPT_SASYNC_CB; 146 csa.event_enable = AC_LOST_DEVICE; 147 csa.callback = isp_cam_async; 148 csa.callback_arg = sim; 149 150 ISP_LOCK(isp); 151 xpt_action((union ccb *)&csa); 152 ISP_UNLOCK(isp); 153 154 if (IS_SCSI(isp)) { 155 struct isp_spi *spi = ISP_SPI_PC(isp, chan); 156 spi->sim = sim; 157 spi->path = path; 158 } else { 159 fcparam *fcp = FCPARAM(isp, chan); 160 struct isp_fc *fc = ISP_FC_PC(isp, chan); 161 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 162 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 163 char name[16]; 164 165 ISP_LOCK(isp); 166 fc->sim = sim; 167 fc->path = path; 168 fc->isp = isp; 169 fc->ready = 1; 170 171 callout_init_mtx(&fc->ldt, &isp->isp_osinfo.lock, 0); 172 callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0); 173 TASK_INIT(&fc->ltask, 1, isp_ldt_task, fc); 174 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 175 176 /* 177 * We start by being "loop down" if we have an initiator role 178 */ 179 if (fcp->role & ISP_ROLE_INITIATOR) { 180 isp_freeze_loopdown(isp, chan, "isp_attach"); 181 callout_reset(&fc->ldt, isp_quickboot_time * hz, isp_ldt, fc); 182 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Initial Loop Down Timer @ %lu", (unsigned long) time_uptime); 183 } 184 ISP_UNLOCK(isp); 185 if (THREAD_CREATE(isp_kthread, fc, &fc->kproc, 0, 0, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 186 xpt_free_path(fc->path); 187 ISP_LOCK(isp); 188 if (callout_active(&fc->ldt)) 189 callout_stop(&fc->ldt); 190 xpt_bus_deregister(cam_sim_path(fc->sim)); 191 ISP_UNLOCK(isp); 192 cam_sim_free(fc->sim, FALSE); 193 return (ENOMEM); 194 } 195 fc->num_threads += 1; 196 if (chan > 0) { 197 snprintf(name, sizeof(name), "chan%d", chan); 198 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 199 OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel"); 200 } 201 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 202 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 203 "World Wide Node Name"); 204 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 205 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 206 "World Wide Port Name"); 207 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 208 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 209 "Loop Down Limit"); 210 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 211 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 212 "Gone Device Time"); 213 #if defined(ISP_TARGET_MODE) && defined(DEBUG) 214 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 215 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 216 "Cause a Lost Frame on a Read"); 217 #endif 218 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 219 "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan, 220 isp_role_sysctl, "I", "Current role"); 221 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 222 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 223 "Connection speed in gigabits"); 224 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 225 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 226 "Link state"); 227 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 228 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 229 "Firmware state"); 230 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 231 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 232 "Loop state"); 233 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 234 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 235 "Connection topology"); 236 } 237 return (0); 238 } 239 240 static void 241 isp_detach_chan(ispsoftc_t *isp, int chan) 242 { 243 struct cam_sim *sim; 244 struct cam_path *path; 245 struct ccb_setasync csa; 246 int *num_threads; 247 248 ISP_GET_PC(isp, chan, sim, sim); 249 ISP_GET_PC(isp, chan, path, path); 250 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 251 252 xpt_setup_ccb(&csa.ccb_h, path, 5); 253 csa.ccb_h.func_code = XPT_SASYNC_CB; 254 csa.event_enable = 0; 255 csa.callback = isp_cam_async; 256 csa.callback_arg = sim; 257 xpt_action((union ccb *)&csa); 258 xpt_free_path(path); 259 xpt_bus_deregister(cam_sim_path(sim)); 260 cam_sim_free(sim, FALSE); 261 262 /* Wait for the channel's spawned threads to exit. */ 263 wakeup(isp->isp_osinfo.pc.ptr); 264 while (*num_threads != 0) 265 mtx_sleep(isp, &isp->isp_osinfo.lock, PRIBIO, "isp_reap", 100); 266 } 267 268 int 269 isp_attach(ispsoftc_t *isp) 270 { 271 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 272 int du = device_get_unit(isp->isp_dev); 273 int chan; 274 275 isp->isp_osinfo.ehook.ich_func = isp_intr_enable; 276 isp->isp_osinfo.ehook.ich_arg = isp; 277 /* 278 * Haha. Set this first, because if we're loaded as a module isp_intr_enable 279 * will be called right awawy, which will clear isp_osinfo.ehook_active, 280 * which would be unwise to then set again later. 281 */ 282 isp->isp_osinfo.ehook_active = 1; 283 if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) { 284 isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook"); 285 return (-EIO); 286 } 287 288 /* 289 * Create the device queue for our SIM(s). 290 */ 291 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 292 if (isp->isp_osinfo.devq == NULL) { 293 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 294 return (EIO); 295 } 296 297 for (chan = 0; chan < isp->isp_nchan; chan++) { 298 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 299 goto unwind; 300 } 301 } 302 303 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0); 304 isp_timer_count = hz >> 2; 305 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 306 isp->isp_osinfo.timer_active = 1; 307 308 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 309 if (isp->isp_osinfo.cdev) { 310 isp->isp_osinfo.cdev->si_drv1 = isp; 311 } 312 return (0); 313 314 unwind: 315 while (--chan >= 0) { 316 struct cam_sim *sim; 317 struct cam_path *path; 318 319 ISP_GET_PC(isp, chan, sim, sim); 320 ISP_GET_PC(isp, chan, path, path); 321 xpt_free_path(path); 322 ISP_LOCK(isp); 323 xpt_bus_deregister(cam_sim_path(sim)); 324 ISP_UNLOCK(isp); 325 cam_sim_free(sim, FALSE); 326 } 327 if (isp->isp_osinfo.ehook_active) { 328 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 329 isp->isp_osinfo.ehook_active = 0; 330 } 331 if (isp->isp_osinfo.cdev) { 332 destroy_dev(isp->isp_osinfo.cdev); 333 isp->isp_osinfo.cdev = NULL; 334 } 335 cam_simq_free(isp->isp_osinfo.devq); 336 isp->isp_osinfo.devq = NULL; 337 return (-1); 338 } 339 340 int 341 isp_detach(ispsoftc_t *isp) 342 { 343 struct cam_sim *sim; 344 int chan; 345 346 ISP_LOCK(isp); 347 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) { 348 ISP_GET_PC(isp, chan, sim, sim); 349 if (sim->refcount > 2) { 350 ISP_UNLOCK(isp); 351 return (EBUSY); 352 } 353 } 354 /* Tell spawned threads that we're exiting. */ 355 isp->isp_osinfo.is_exiting = 1; 356 if (isp->isp_osinfo.timer_active) { 357 callout_stop(&isp->isp_osinfo.tmo); 358 isp->isp_osinfo.timer_active = 0; 359 } 360 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 361 isp_detach_chan(isp, chan); 362 ISP_UNLOCK(isp); 363 364 if (isp->isp_osinfo.cdev) { 365 destroy_dev(isp->isp_osinfo.cdev); 366 isp->isp_osinfo.cdev = NULL; 367 } 368 if (isp->isp_osinfo.ehook_active) { 369 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 370 isp->isp_osinfo.ehook_active = 0; 371 } 372 if (isp->isp_osinfo.devq != NULL) { 373 cam_simq_free(isp->isp_osinfo.devq); 374 isp->isp_osinfo.devq = NULL; 375 } 376 return (0); 377 } 378 379 static void 380 isp_freeze_loopdown(ispsoftc_t *isp, int chan, char *msg) 381 { 382 if (IS_FC(isp)) { 383 struct isp_fc *fc = ISP_FC_PC(isp, chan); 384 if (fc->simqfrozen == 0) { 385 isp_prt(isp, ISP_LOGDEBUG0, 386 "Chan %d %s -- freeze simq (loopdown)", chan, msg); 387 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 388 #if __FreeBSD_version >= 1000039 389 xpt_hold_boot(); 390 #endif 391 xpt_freeze_simq(fc->sim, 1); 392 } else { 393 isp_prt(isp, ISP_LOGDEBUG0, 394 "Chan %d %s -- mark frozen (loopdown)", chan, msg); 395 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 396 } 397 } 398 } 399 400 static void 401 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 402 { 403 if (IS_FC(isp)) { 404 struct isp_fc *fc = ISP_FC_PC(isp, chan); 405 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 406 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 407 if (wasfrozen && fc->simqfrozen == 0) { 408 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d releasing simq", __func__, chan); 409 xpt_release_simq(fc->sim, 1); 410 #if __FreeBSD_version >= 1000039 411 xpt_release_boot(); 412 #endif 413 } 414 } 415 } 416 417 418 static int 419 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 420 { 421 ispsoftc_t *isp; 422 int nr, chan, retval = ENOTTY; 423 424 isp = dev->si_drv1; 425 426 switch (c) { 427 case ISP_SDBLEV: 428 { 429 int olddblev = isp->isp_dblev; 430 isp->isp_dblev = *(int *)addr; 431 *(int *)addr = olddblev; 432 retval = 0; 433 break; 434 } 435 case ISP_GETROLE: 436 chan = *(int *)addr; 437 if (chan < 0 || chan >= isp->isp_nchan) { 438 retval = -ENXIO; 439 break; 440 } 441 if (IS_FC(isp)) { 442 *(int *)addr = FCPARAM(isp, chan)->role; 443 } else { 444 *(int *)addr = SDPARAM(isp, chan)->role; 445 } 446 retval = 0; 447 break; 448 case ISP_SETROLE: 449 nr = *(int *)addr; 450 chan = nr >> 8; 451 if (chan < 0 || chan >= isp->isp_nchan) { 452 retval = -ENXIO; 453 break; 454 } 455 nr &= 0xff; 456 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 457 retval = EINVAL; 458 break; 459 } 460 ISP_LOCK(isp); 461 if (IS_FC(isp)) 462 *(int *)addr = FCPARAM(isp, chan)->role; 463 else 464 *(int *)addr = SDPARAM(isp, chan)->role; 465 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 466 ISP_UNLOCK(isp); 467 retval = 0; 468 break; 469 470 case ISP_RESETHBA: 471 ISP_LOCK(isp); 472 isp_reinit(isp, 0); 473 ISP_UNLOCK(isp); 474 retval = 0; 475 break; 476 477 case ISP_RESCAN: 478 if (IS_FC(isp)) { 479 chan = *(int *)addr; 480 if (chan < 0 || chan >= isp->isp_nchan) { 481 retval = -ENXIO; 482 break; 483 } 484 ISP_LOCK(isp); 485 if (isp_fc_runstate(isp, chan, 5 * 1000000)) { 486 retval = EIO; 487 } else { 488 retval = 0; 489 } 490 ISP_UNLOCK(isp); 491 } 492 break; 493 494 case ISP_FC_LIP: 495 if (IS_FC(isp)) { 496 chan = *(int *)addr; 497 if (chan < 0 || chan >= isp->isp_nchan) { 498 retval = -ENXIO; 499 break; 500 } 501 ISP_LOCK(isp); 502 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 503 retval = EIO; 504 } else { 505 retval = 0; 506 } 507 ISP_UNLOCK(isp); 508 } 509 break; 510 case ISP_FC_GETDINFO: 511 { 512 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 513 fcportdb_t *lp; 514 515 if (IS_SCSI(isp)) { 516 break; 517 } 518 if (ifc->loopid >= MAX_FC_TARG) { 519 retval = EINVAL; 520 break; 521 } 522 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 523 if (lp->state != FC_PORTDB_STATE_NIL) { 524 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 525 ifc->loopid = lp->handle; 526 ifc->portid = lp->portid; 527 ifc->node_wwn = lp->node_wwn; 528 ifc->port_wwn = lp->port_wwn; 529 retval = 0; 530 } else { 531 retval = ENODEV; 532 } 533 break; 534 } 535 case ISP_GET_STATS: 536 { 537 isp_stats_t *sp = (isp_stats_t *) addr; 538 539 ISP_MEMZERO(sp, sizeof (*sp)); 540 sp->isp_stat_version = ISP_STATS_VERSION; 541 sp->isp_type = isp->isp_type; 542 sp->isp_revision = isp->isp_revision; 543 ISP_LOCK(isp); 544 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 545 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 546 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 547 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 548 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 549 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 550 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 551 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 552 ISP_UNLOCK(isp); 553 retval = 0; 554 break; 555 } 556 case ISP_CLR_STATS: 557 ISP_LOCK(isp); 558 isp->isp_intcnt = 0; 559 isp->isp_intbogus = 0; 560 isp->isp_intmboxc = 0; 561 isp->isp_intoasync = 0; 562 isp->isp_rsltccmplt = 0; 563 isp->isp_fphccmplt = 0; 564 isp->isp_rscchiwater = 0; 565 isp->isp_fpcchiwater = 0; 566 ISP_UNLOCK(isp); 567 retval = 0; 568 break; 569 case ISP_FC_GETHINFO: 570 { 571 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 572 int chan = hba->fc_channel; 573 574 if (chan < 0 || chan >= isp->isp_nchan) { 575 retval = ENXIO; 576 break; 577 } 578 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 579 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 580 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 581 hba->fc_nchannels = isp->isp_nchan; 582 if (IS_FC(isp)) { 583 hba->fc_nports = MAX_FC_TARG; 584 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 585 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 586 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 587 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 588 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 589 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 590 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 591 } else { 592 hba->fc_nports = MAX_TARGETS; 593 hba->fc_speed = 0; 594 hba->fc_topology = 0; 595 hba->nvram_node_wwn = 0ull; 596 hba->nvram_port_wwn = 0ull; 597 hba->active_node_wwn = 0ull; 598 hba->active_port_wwn = 0ull; 599 } 600 retval = 0; 601 break; 602 } 603 case ISP_TSK_MGMT: 604 { 605 int needmarker; 606 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 607 uint16_t loopid; 608 mbreg_t mbs; 609 610 if (IS_SCSI(isp)) { 611 break; 612 } 613 614 chan = fct->chan; 615 if (chan < 0 || chan >= isp->isp_nchan) { 616 retval = -ENXIO; 617 break; 618 } 619 620 needmarker = retval = 0; 621 loopid = fct->loopid; 622 ISP_LOCK(isp); 623 if (IS_24XX(isp)) { 624 uint8_t local[QENTRY_LEN]; 625 isp24xx_tmf_t *tmf; 626 isp24xx_statusreq_t *sp; 627 fcparam *fcp = FCPARAM(isp, chan); 628 fcportdb_t *lp; 629 int i; 630 631 for (i = 0; i < MAX_FC_TARG; i++) { 632 lp = &fcp->portdb[i]; 633 if (lp->handle == loopid) { 634 break; 635 } 636 } 637 if (i == MAX_FC_TARG) { 638 retval = ENXIO; 639 ISP_UNLOCK(isp); 640 break; 641 } 642 /* XXX VALIDATE LP XXX */ 643 tmf = (isp24xx_tmf_t *) local; 644 ISP_MEMZERO(tmf, QENTRY_LEN); 645 tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 646 tmf->tmf_header.rqs_entry_count = 1; 647 tmf->tmf_nphdl = lp->handle; 648 tmf->tmf_delay = 2; 649 tmf->tmf_timeout = 2; 650 tmf->tmf_tidlo = lp->portid; 651 tmf->tmf_tidhi = lp->portid >> 16; 652 tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan); 653 tmf->tmf_lun[1] = fct->lun & 0xff; 654 if (fct->lun >= 256) { 655 tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8); 656 } 657 switch (fct->action) { 658 case IPT_CLEAR_ACA: 659 tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA; 660 break; 661 case IPT_TARGET_RESET: 662 tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET; 663 needmarker = 1; 664 break; 665 case IPT_LUN_RESET: 666 tmf->tmf_flags = ISP24XX_TMF_LUN_RESET; 667 needmarker = 1; 668 break; 669 case IPT_CLEAR_TASK_SET: 670 tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 671 needmarker = 1; 672 break; 673 case IPT_ABORT_TASK_SET: 674 tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 675 needmarker = 1; 676 break; 677 default: 678 retval = EINVAL; 679 break; 680 } 681 if (retval) { 682 ISP_UNLOCK(isp); 683 break; 684 } 685 MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL, 5000000); 686 mbs.param[1] = QENTRY_LEN; 687 mbs.param[2] = DMA_WD1(fcp->isp_scdma); 688 mbs.param[3] = DMA_WD0(fcp->isp_scdma); 689 mbs.param[6] = DMA_WD3(fcp->isp_scdma); 690 mbs.param[7] = DMA_WD2(fcp->isp_scdma); 691 692 if (FC_SCRATCH_ACQUIRE(isp, chan)) { 693 ISP_UNLOCK(isp); 694 retval = ENOMEM; 695 break; 696 } 697 isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch); 698 MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan); 699 sp = (isp24xx_statusreq_t *) local; 700 sp->req_completion_status = 1; 701 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 702 MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan); 703 isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp); 704 FC_SCRATCH_RELEASE(isp, chan); 705 if (retval || sp->req_completion_status != 0) { 706 FC_SCRATCH_RELEASE(isp, chan); 707 retval = EIO; 708 } 709 if (retval == 0) { 710 if (needmarker) { 711 fcp->sendmarker = 1; 712 } 713 } 714 } else { 715 MBSINIT(&mbs, 0, MBLOGALL, 0); 716 if (ISP_CAP_2KLOGIN(isp) == 0) { 717 loopid <<= 8; 718 } 719 switch (fct->action) { 720 case IPT_CLEAR_ACA: 721 mbs.param[0] = MBOX_CLEAR_ACA; 722 mbs.param[1] = loopid; 723 mbs.param[2] = fct->lun; 724 break; 725 case IPT_TARGET_RESET: 726 mbs.param[0] = MBOX_TARGET_RESET; 727 mbs.param[1] = loopid; 728 needmarker = 1; 729 break; 730 case IPT_LUN_RESET: 731 mbs.param[0] = MBOX_LUN_RESET; 732 mbs.param[1] = loopid; 733 mbs.param[2] = fct->lun; 734 needmarker = 1; 735 break; 736 case IPT_CLEAR_TASK_SET: 737 mbs.param[0] = MBOX_CLEAR_TASK_SET; 738 mbs.param[1] = loopid; 739 mbs.param[2] = fct->lun; 740 needmarker = 1; 741 break; 742 case IPT_ABORT_TASK_SET: 743 mbs.param[0] = MBOX_ABORT_TASK_SET; 744 mbs.param[1] = loopid; 745 mbs.param[2] = fct->lun; 746 needmarker = 1; 747 break; 748 default: 749 retval = EINVAL; 750 break; 751 } 752 if (retval == 0) { 753 if (needmarker) { 754 FCPARAM(isp, chan)->sendmarker = 1; 755 } 756 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 757 if (retval) { 758 retval = EIO; 759 } 760 } 761 } 762 ISP_UNLOCK(isp); 763 break; 764 } 765 default: 766 break; 767 } 768 return (retval); 769 } 770 771 static void 772 isp_intr_enable(void *arg) 773 { 774 int chan; 775 ispsoftc_t *isp = arg; 776 ISP_LOCK(isp); 777 for (chan = 0; chan < isp->isp_nchan; chan++) { 778 if (IS_FC(isp)) { 779 if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) { 780 ISP_ENABLE_INTS(isp); 781 break; 782 } 783 } else { 784 if (SDPARAM(isp, chan)->role != ISP_ROLE_NONE) { 785 ISP_ENABLE_INTS(isp); 786 break; 787 } 788 } 789 } 790 isp->isp_osinfo.ehook_active = 0; 791 ISP_UNLOCK(isp); 792 /* Release our hook so that the boot can continue. */ 793 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 794 } 795 796 /* 797 * Local Inlines 798 */ 799 800 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 801 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 802 803 static ISP_INLINE int 804 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 805 { 806 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 807 if (ISP_PCMD(ccb) == NULL) { 808 return (-1); 809 } 810 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 811 return (0); 812 } 813 814 static ISP_INLINE void 815 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 816 { 817 if (ISP_PCMD(ccb)) { 818 #ifdef ISP_TARGET_MODE 819 PISP_PCMD(ccb)->datalen = 0; 820 PISP_PCMD(ccb)->totslen = 0; 821 PISP_PCMD(ccb)->cumslen = 0; 822 PISP_PCMD(ccb)->crn = 0; 823 #endif 824 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 825 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 826 ISP_PCMD(ccb) = NULL; 827 } 828 } 829 830 /* 831 * Put the target mode functions here, because some are inlines 832 */ 833 #ifdef ISP_TARGET_MODE 834 static ISP_INLINE void isp_tmlock(ispsoftc_t *, const char *); 835 static ISP_INLINE void isp_tmunlk(ispsoftc_t *); 836 static ISP_INLINE int is_any_lun_enabled(ispsoftc_t *, int); 837 static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t); 838 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 839 static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t); 840 static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *); 841 static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **); 842 static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t); 843 static ISP_INLINE atio_private_data_t *isp_find_atpd(ispsoftc_t *, tstate_t *, uint32_t); 844 static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *); 845 static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *); 846 static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t); 847 static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *); 848 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 849 static void destroy_lun_state(ispsoftc_t *, tstate_t *); 850 static void isp_enable_lun(ispsoftc_t *, union ccb *); 851 static cam_status isp_enable_deferred_luns(ispsoftc_t *, int); 852 static cam_status isp_enable_deferred(ispsoftc_t *, int, lun_id_t); 853 static void isp_disable_lun(ispsoftc_t *, union ccb *); 854 static int isp_enable_target_mode(ispsoftc_t *, int); 855 static int isp_disable_target_mode(ispsoftc_t *, int); 856 static void isp_ledone(ispsoftc_t *, lun_entry_t *); 857 static timeout_t isp_refire_putback_atio; 858 static timeout_t isp_refire_notify_ack; 859 static void isp_complete_ctio(union ccb *); 860 static void isp_target_putback_atio(union ccb *); 861 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 862 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 863 static void isp_handle_platform_atio(ispsoftc_t *, at_entry_t *); 864 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 865 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 866 static void isp_handle_platform_ctio(ispsoftc_t *, void *); 867 static void isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *); 868 static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *); 869 static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *); 870 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *); 871 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 872 static void isp_target_mark_aborted(ispsoftc_t *, union ccb *); 873 static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t); 874 875 static ISP_INLINE void 876 isp_tmlock(ispsoftc_t *isp, const char *msg) 877 { 878 while (isp->isp_osinfo.tmbusy) { 879 isp->isp_osinfo.tmwanted = 1; 880 mtx_sleep(isp, &isp->isp_lock, PRIBIO, msg, 0); 881 } 882 isp->isp_osinfo.tmbusy = 1; 883 } 884 885 static ISP_INLINE void 886 isp_tmunlk(ispsoftc_t *isp) 887 { 888 isp->isp_osinfo.tmbusy = 0; 889 if (isp->isp_osinfo.tmwanted) { 890 isp->isp_osinfo.tmwanted = 0; 891 wakeup(isp); 892 } 893 } 894 895 static ISP_INLINE int 896 is_any_lun_enabled(ispsoftc_t *isp, int bus) 897 { 898 struct tslist *lhp; 899 int i; 900 901 for (i = 0; i < LUN_HASH_SIZE; i++) { 902 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 903 if (SLIST_FIRST(lhp)) 904 return (1); 905 } 906 return (0); 907 } 908 909 static ISP_INLINE int 910 is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun) 911 { 912 tstate_t *tptr; 913 struct tslist *lhp; 914 915 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 916 SLIST_FOREACH(tptr, lhp, next) { 917 if (tptr->ts_lun == lun) { 918 return (1); 919 } 920 } 921 return (0); 922 } 923 924 static void 925 dump_tstates(ispsoftc_t *isp, int bus) 926 { 927 int i, j; 928 struct tslist *lhp; 929 tstate_t *tptr = NULL; 930 931 if (bus >= isp->isp_nchan) { 932 return; 933 } 934 for (i = 0; i < LUN_HASH_SIZE; i++) { 935 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 936 j = 0; 937 SLIST_FOREACH(tptr, lhp, next) { 938 xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count); 939 j++; 940 } 941 } 942 } 943 944 static ISP_INLINE tstate_t * 945 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 946 { 947 tstate_t *tptr = NULL; 948 struct tslist *lhp; 949 950 if (bus < isp->isp_nchan) { 951 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 952 SLIST_FOREACH(tptr, lhp, next) { 953 if (tptr->ts_lun == lun) { 954 tptr->hold++; 955 return (tptr); 956 } 957 } 958 } 959 return (NULL); 960 } 961 962 static ISP_INLINE tstate_t * 963 get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval) 964 { 965 tstate_t *tptr = NULL; 966 atio_private_data_t *atp; 967 struct tslist *lhp; 968 int i; 969 970 if (bus < isp->isp_nchan && tagval != 0) { 971 for (i = 0; i < LUN_HASH_SIZE; i++) { 972 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 973 SLIST_FOREACH(tptr, lhp, next) { 974 atp = isp_find_atpd(isp, tptr, tagval); 975 if (atp) { 976 tptr->hold++; 977 return (tptr); 978 } 979 } 980 } 981 } 982 return (NULL); 983 } 984 985 static ISP_INLINE inot_private_data_t * 986 get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt) 987 { 988 inot_private_data_t *ntp; 989 tstate_t *tptr; 990 struct tslist *lhp; 991 int bus, i; 992 993 for (bus = 0; bus < isp->isp_nchan; bus++) { 994 for (i = 0; i < LUN_HASH_SIZE; i++) { 995 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 996 SLIST_FOREACH(tptr, lhp, next) { 997 ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id); 998 if (ntp) { 999 *rslt = tptr; 1000 tptr->hold++; 1001 return (ntp); 1002 } 1003 } 1004 } 1005 } 1006 return (NULL); 1007 } 1008 1009 static ISP_INLINE void 1010 rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr) 1011 { 1012 KASSERT((tptr->hold), ("tptr not held")); 1013 tptr->hold--; 1014 } 1015 1016 static void 1017 isp_tmcmd_restart(ispsoftc_t *isp) 1018 { 1019 inot_private_data_t *ntp; 1020 inot_private_data_t *restart_queue; 1021 tstate_t *tptr; 1022 union ccb *ccb; 1023 struct tslist *lhp; 1024 int bus, i; 1025 1026 for (bus = 0; bus < isp->isp_nchan; bus++) { 1027 for (i = 0; i < LUN_HASH_SIZE; i++) { 1028 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1029 SLIST_FOREACH(tptr, lhp, next) { 1030 if ((restart_queue = tptr->restart_queue) != NULL) 1031 tptr->restart_queue = NULL; 1032 while (restart_queue) { 1033 ntp = restart_queue; 1034 restart_queue = ntp->rd.nt.nt_hba; 1035 if (IS_24XX(isp)) { 1036 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid); 1037 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data); 1038 } else { 1039 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid); 1040 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data); 1041 } 1042 isp_put_ntpd(isp, tptr, ntp); 1043 if (tptr->restart_queue && restart_queue != NULL) { 1044 ntp = tptr->restart_queue; 1045 tptr->restart_queue = restart_queue; 1046 while (restart_queue->rd.nt.nt_hba) { 1047 restart_queue = restart_queue->rd.nt.nt_hba; 1048 } 1049 restart_queue->rd.nt.nt_hba = ntp; 1050 break; 1051 } 1052 } 1053 /* 1054 * We only need to do this once per tptr 1055 */ 1056 if (!TAILQ_EMPTY(&tptr->waitq)) { 1057 ccb = (union ccb *)TAILQ_LAST(&tptr->waitq, isp_ccbq); 1058 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1059 isp_target_start_ctio(isp, ccb, FROM_TIMER); 1060 } 1061 } 1062 } 1063 } 1064 } 1065 1066 static ISP_INLINE atio_private_data_t * 1067 isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag) 1068 { 1069 atio_private_data_t *atp; 1070 1071 atp = LIST_FIRST(&tptr->atfree); 1072 if (atp) { 1073 LIST_REMOVE(atp, next); 1074 atp->tag = tag; 1075 LIST_INSERT_HEAD(&tptr->atused[ATPDPHASH(tag)], atp, next); 1076 } 1077 return (atp); 1078 } 1079 1080 static ISP_INLINE atio_private_data_t * 1081 isp_find_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag) 1082 { 1083 atio_private_data_t *atp; 1084 1085 LIST_FOREACH(atp, &tptr->atused[ATPDPHASH(tag)], next) { 1086 if (atp->tag == tag) 1087 return (atp); 1088 } 1089 return (NULL); 1090 } 1091 1092 static ISP_INLINE void 1093 isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp) 1094 { 1095 if (atp->ests) { 1096 isp_put_ecmd(isp, atp->ests); 1097 } 1098 LIST_REMOVE(atp, next); 1099 memset(atp, 0, sizeof (*atp)); 1100 LIST_INSERT_HEAD(&tptr->atfree, atp, next); 1101 } 1102 1103 static void 1104 isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr) 1105 { 1106 atio_private_data_t *atp; 1107 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 1108 1109 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) { 1110 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", 1111 atp->tag, atp->orig_datalen, atp->bytes_xfered, atp->lun, atp->nphdl, atp->sid, atp->portid, atp->oxid, states[atp->state & 0x7]); 1112 } 1113 } 1114 1115 1116 static ISP_INLINE inot_private_data_t * 1117 isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr) 1118 { 1119 inot_private_data_t *ntp; 1120 ntp = tptr->ntfree; 1121 if (ntp) { 1122 tptr->ntfree = ntp->next; 1123 } 1124 return (ntp); 1125 } 1126 1127 static ISP_INLINE inot_private_data_t * 1128 isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id) 1129 { 1130 inot_private_data_t *ntp; 1131 for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) { 1132 if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) { 1133 return (ntp); 1134 } 1135 } 1136 return (NULL); 1137 } 1138 1139 static ISP_INLINE void 1140 isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp) 1141 { 1142 ntp->rd.tag_id = ntp->rd.seq_id = 0; 1143 ntp->next = tptr->ntfree; 1144 tptr->ntfree = ntp; 1145 } 1146 1147 static cam_status 1148 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 1149 { 1150 cam_status status; 1151 lun_id_t lun; 1152 struct tslist *lhp; 1153 tstate_t *tptr; 1154 int i; 1155 1156 lun = xpt_path_lun_id(path); 1157 if (lun != CAM_LUN_WILDCARD) { 1158 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) { 1159 return (CAM_LUN_INVALID); 1160 } 1161 } 1162 if (is_lun_enabled(isp, bus, lun)) { 1163 return (CAM_LUN_ALRDY_ENA); 1164 } 1165 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 1166 if (tptr == NULL) { 1167 return (CAM_RESRC_UNAVAIL); 1168 } 1169 tptr->ts_lun = lun; 1170 status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun); 1171 if (status != CAM_REQ_CMP) { 1172 free(tptr, M_DEVBUF); 1173 return (status); 1174 } 1175 SLIST_INIT(&tptr->atios); 1176 SLIST_INIT(&tptr->inots); 1177 TAILQ_INIT(&tptr->waitq); 1178 LIST_INIT(&tptr->atfree); 1179 for (i = ATPDPSIZE-1; i >= 0; i--) 1180 LIST_INSERT_HEAD(&tptr->atfree, &tptr->atpool[i], next); 1181 for (i = 0; i < ATPDPHASHSIZE; i++) 1182 LIST_INIT(&tptr->atused[i]); 1183 for (i = 0; i < ATPDPSIZE-1; i++) 1184 tptr->ntpool[i].next = &tptr->ntpool[i+1]; 1185 tptr->ntfree = tptr->ntpool; 1186 tptr->hold = 1; 1187 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 1188 SLIST_INSERT_HEAD(lhp, tptr, next); 1189 *rslt = tptr; 1190 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 1191 return (CAM_REQ_CMP); 1192 } 1193 1194 static ISP_INLINE void 1195 destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr) 1196 { 1197 union ccb *ccb; 1198 struct tslist *lhp; 1199 1200 KASSERT((tptr->hold != 0), ("tptr is not held")); 1201 KASSERT((tptr->hold == 1), ("tptr still held (%d)", tptr->hold)); 1202 do { 1203 ccb = (union ccb *)SLIST_FIRST(&tptr->atios); 1204 if (ccb) { 1205 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1206 ccb->ccb_h.status = CAM_REQ_ABORTED; 1207 xpt_done(ccb); 1208 } 1209 } while (ccb); 1210 do { 1211 ccb = (union ccb *)SLIST_FIRST(&tptr->inots); 1212 if (ccb) { 1213 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 1214 ccb->ccb_h.status = CAM_REQ_ABORTED; 1215 xpt_done(ccb); 1216 } 1217 } while (ccb); 1218 ISP_GET_PC_ADDR(isp, cam_sim_bus(xpt_path_sim(tptr->owner)), lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 1219 SLIST_REMOVE(lhp, tptr, tstate, next); 1220 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "destroyed tstate\n"); 1221 xpt_free_path(tptr->owner); 1222 free(tptr, M_DEVBUF); 1223 } 1224 1225 /* 1226 * Enable a lun. 1227 */ 1228 static void 1229 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1230 { 1231 tstate_t *tptr = NULL; 1232 int bus, tm_enabled, target_role; 1233 target_id_t target; 1234 lun_id_t lun; 1235 1236 1237 /* 1238 * We only support either a wildcard target/lun or a target ID of zero and a non-wildcard lun 1239 */ 1240 bus = XS_CHANNEL(ccb); 1241 target = ccb->ccb_h.target_id; 1242 lun = ccb->ccb_h.target_lun; 1243 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1244 "enabling lun %jx\n", (uintmax_t)lun); 1245 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) { 1246 ccb->ccb_h.status = CAM_LUN_INVALID; 1247 xpt_done(ccb); 1248 return; 1249 } 1250 1251 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 1252 ccb->ccb_h.status = CAM_LUN_INVALID; 1253 xpt_done(ccb); 1254 return; 1255 } 1256 if (isp->isp_dblev & ISP_LOGTDEBUG0) { 1257 xpt_print(ccb->ccb_h.path, 1258 "enabling lun 0x%jx on channel %d\n", (uintmax_t)lun, bus); 1259 } 1260 1261 /* 1262 * Wait until we're not busy with the lun enables subsystem 1263 */ 1264 isp_tmlock(isp, "isp_enable_lun"); 1265 1266 /* 1267 * This is as a good a place as any to check f/w capabilities. 1268 */ 1269 1270 if (IS_FC(isp)) { 1271 if (ISP_CAP_TMODE(isp) == 0) { 1272 xpt_print(ccb->ccb_h.path, "firmware does not support target mode\n"); 1273 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1274 goto done; 1275 } 1276 /* 1277 * We *could* handle non-SCCLUN f/w, but we'd have to 1278 * dork with our already fragile enable/disable code. 1279 */ 1280 if (ISP_CAP_SCCFW(isp) == 0) { 1281 xpt_print(ccb->ccb_h.path, "firmware not SCCLUN capable\n"); 1282 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1283 goto done; 1284 } 1285 1286 target_role = (FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0; 1287 1288 } else { 1289 target_role = (SDPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0; 1290 } 1291 1292 /* 1293 * Create the state pointer. 1294 * It should not already exist. 1295 */ 1296 tptr = get_lun_statep(isp, bus, lun); 1297 if (tptr) { 1298 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1299 goto done; 1300 } 1301 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1302 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1303 goto done; 1304 } 1305 1306 /* 1307 * We have a tricky maneuver to perform here. 1308 * 1309 * If target mode isn't already enabled here, 1310 * *and* our current role includes target mode, 1311 * we enable target mode here. 1312 * 1313 */ 1314 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1315 if (tm_enabled == 0 && target_role != 0) { 1316 if (isp_enable_target_mode(isp, bus)) { 1317 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1318 destroy_lun_state(isp, tptr); 1319 tptr = NULL; 1320 goto done; 1321 } 1322 tm_enabled = 1; 1323 } 1324 1325 /* 1326 * Now check to see whether this bus is in target mode already. 1327 * 1328 * If not, a later role change into target mode will finish the job. 1329 */ 1330 if (tm_enabled == 0) { 1331 ISP_SET_PC(isp, bus, tm_enable_defer, 1); 1332 ccb->ccb_h.status = CAM_REQ_CMP; 1333 xpt_print(ccb->ccb_h.path, "Target Mode not enabled yet- lun enable deferred\n"); 1334 goto done1; 1335 } 1336 1337 /* 1338 * Enable the lun. 1339 */ 1340 ccb->ccb_h.status = isp_enable_deferred(isp, bus, lun); 1341 1342 done: 1343 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1344 if (tptr) { 1345 destroy_lun_state(isp, tptr); 1346 tptr = NULL; 1347 } 1348 } else { 1349 tptr->enabled = 1; 1350 } 1351 done1: 1352 if (tptr) { 1353 rls_lun_statep(isp, tptr); 1354 } 1355 1356 /* 1357 * And we're outta here.... 1358 */ 1359 isp_tmunlk(isp); 1360 xpt_done(ccb); 1361 } 1362 1363 static cam_status 1364 isp_enable_deferred_luns(ispsoftc_t *isp, int bus) 1365 { 1366 tstate_t *tptr = NULL; 1367 struct tslist *lhp; 1368 int i, n; 1369 1370 1371 ISP_GET_PC(isp, bus, tm_enabled, i); 1372 if (i == 1) { 1373 return (CAM_REQ_CMP); 1374 } 1375 ISP_GET_PC(isp, bus, tm_enable_defer, i); 1376 if (i == 0) { 1377 return (CAM_REQ_CMP); 1378 } 1379 /* 1380 * If this succeeds, it will set tm_enable 1381 */ 1382 if (isp_enable_target_mode(isp, bus)) { 1383 return (CAM_REQ_CMP_ERR); 1384 } 1385 isp_tmlock(isp, "isp_enable_deferred_luns"); 1386 for (n = i = 0; i < LUN_HASH_SIZE; i++) { 1387 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1388 SLIST_FOREACH(tptr, lhp, next) { 1389 tptr->hold++; 1390 if (tptr->enabled == 0) { 1391 if (isp_enable_deferred(isp, bus, tptr->ts_lun) == CAM_REQ_CMP) { 1392 tptr->enabled = 1; 1393 n++; 1394 } 1395 } else { 1396 n++; 1397 } 1398 tptr->hold--; 1399 } 1400 } 1401 isp_tmunlk(isp); 1402 if (n == 0) { 1403 return (CAM_REQ_CMP_ERR); 1404 } 1405 ISP_SET_PC(isp, bus, tm_enable_defer, 0); 1406 return (CAM_REQ_CMP); 1407 } 1408 1409 static cam_status 1410 isp_enable_deferred(ispsoftc_t *isp, int bus, lun_id_t lun) 1411 { 1412 cam_status status; 1413 int luns_already_enabled; 1414 1415 ISP_GET_PC(isp, bus, tm_luns_enabled, luns_already_enabled); 1416 isp_prt(isp, ISP_LOGTINFO, "%s: bus %d lun %jx luns_enabled %d", __func__, bus, (uintmax_t)lun, luns_already_enabled); 1417 if (IS_23XX(isp) || IS_24XX(isp) || 1418 (IS_FC(isp) && luns_already_enabled)) { 1419 status = CAM_REQ_CMP; 1420 } else { 1421 int cmd_cnt, not_cnt; 1422 1423 if (IS_23XX(isp)) { 1424 cmd_cnt = DFLT_CMND_CNT; 1425 not_cnt = DFLT_INOT_CNT; 1426 } else { 1427 cmd_cnt = 64; 1428 not_cnt = 8; 1429 } 1430 status = CAM_REQ_INPROG; 1431 isp->isp_osinfo.rptr = &status; 1432 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun == CAM_LUN_WILDCARD? 0 : lun, cmd_cnt, not_cnt)) { 1433 status = CAM_RESRC_UNAVAIL; 1434 } else { 1435 mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_enable_deferred", 0); 1436 } 1437 isp->isp_osinfo.rptr = NULL; 1438 } 1439 if (status == CAM_REQ_CMP) { 1440 ISP_SET_PC(isp, bus, tm_luns_enabled, 1); 1441 isp_prt(isp, ISP_LOGCONFIG|ISP_LOGTINFO, "bus %d lun %jx now enabled for target mode", bus, (uintmax_t)lun); 1442 } 1443 return (status); 1444 } 1445 1446 static void 1447 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1448 { 1449 tstate_t *tptr = NULL; 1450 int bus; 1451 cam_status status; 1452 target_id_t target; 1453 lun_id_t lun; 1454 1455 bus = XS_CHANNEL(ccb); 1456 target = ccb->ccb_h.target_id; 1457 lun = ccb->ccb_h.target_lun; 1458 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1459 "disabling lun %jx\n", (uintmax_t)lun); 1460 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) { 1461 ccb->ccb_h.status = CAM_LUN_INVALID; 1462 xpt_done(ccb); 1463 return; 1464 } 1465 1466 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 1467 ccb->ccb_h.status = CAM_LUN_INVALID; 1468 xpt_done(ccb); 1469 return; 1470 } 1471 1472 /* 1473 * See if we're busy disabling a lun now. 1474 */ 1475 isp_tmlock(isp, "isp_disable_lun"); 1476 status = CAM_REQ_INPROG; 1477 1478 /* 1479 * Find the state pointer. 1480 */ 1481 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1482 status = CAM_PATH_INVALID; 1483 goto done; 1484 } 1485 1486 /* 1487 * If we're a 24XX card, we're done. 1488 */ 1489 if (IS_23XX(isp) || IS_24XX(isp)) { 1490 status = CAM_REQ_CMP; 1491 goto done; 1492 } 1493 1494 /* 1495 * For SCC FW, we only deal with lun zero. 1496 */ 1497 if (IS_FC(isp) && lun > 0) { 1498 status = CAM_REQ_CMP; 1499 goto done; 1500 } 1501 isp->isp_osinfo.rptr = &status; 1502 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) { 1503 status = CAM_RESRC_UNAVAIL; 1504 } else { 1505 mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_disable_lun", 0); 1506 } 1507 isp->isp_osinfo.rptr = NULL; 1508 done: 1509 if (status == CAM_REQ_CMP) { 1510 tptr->enabled = 0; 1511 if (is_any_lun_enabled(isp, bus) == 0) { 1512 if (isp_disable_target_mode(isp, bus)) { 1513 status = CAM_REQ_CMP_ERR; 1514 } 1515 } 1516 } 1517 ccb->ccb_h.status = status; 1518 if (status == CAM_REQ_CMP) { 1519 destroy_lun_state(isp, tptr); 1520 xpt_print(ccb->ccb_h.path, "lun now disabled for target mode\n"); 1521 } else { 1522 if (tptr) 1523 rls_lun_statep(isp, tptr); 1524 } 1525 isp_tmunlk(isp); 1526 xpt_done(ccb); 1527 } 1528 1529 static int 1530 isp_enable_target_mode(ispsoftc_t *isp, int bus) 1531 { 1532 int tm_enabled; 1533 1534 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1535 if (tm_enabled != 0) { 1536 return (0); 1537 } 1538 if (IS_SCSI(isp)) { 1539 mbreg_t mbs; 1540 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0); 1541 mbs.param[0] = MBOX_ENABLE_TARGET_MODE; 1542 mbs.param[1] = ENABLE_TARGET_FLAG|ENABLE_TQING_FLAG; 1543 mbs.param[2] = bus << 7; 1544 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1545 isp_prt(isp, ISP_LOGERR, "Unable to enable Target Role on Bus %d", bus); 1546 return (EIO); 1547 } 1548 } 1549 ISP_SET_PC(isp, bus, tm_enabled, 1); 1550 isp_prt(isp, ISP_LOGINFO, "Target Role enabled on Bus %d", bus); 1551 return (0); 1552 } 1553 1554 static int 1555 isp_disable_target_mode(ispsoftc_t *isp, int bus) 1556 { 1557 int tm_enabled; 1558 1559 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1560 if (tm_enabled == 0) { 1561 return (0); 1562 } 1563 if (IS_SCSI(isp)) { 1564 mbreg_t mbs; 1565 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0); 1566 mbs.param[2] = bus << 7; 1567 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1568 isp_prt(isp, ISP_LOGERR, "Unable to disable Target Role on Bus %d", bus); 1569 return (EIO); 1570 } 1571 } 1572 ISP_SET_PC(isp, bus, tm_enabled, 0); 1573 isp_prt(isp, ISP_LOGINFO, "Target Role disabled on Bus %d", bus); 1574 return (0); 1575 } 1576 1577 static void 1578 isp_ledone(ispsoftc_t *isp, lun_entry_t *lep) 1579 { 1580 uint32_t *rptr; 1581 1582 rptr = isp->isp_osinfo.rptr; 1583 if (lep->le_status != LUN_OK) { 1584 isp_prt(isp, ISP_LOGERR, "ENABLE/MODIFY LUN returned 0x%x", lep->le_status); 1585 if (rptr) { 1586 *rptr = CAM_REQ_CMP_ERR; 1587 wakeup_one(rptr); 1588 } 1589 } else { 1590 if (rptr) { 1591 *rptr = CAM_REQ_CMP; 1592 wakeup_one(rptr); 1593 } 1594 } 1595 } 1596 1597 static void 1598 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1599 { 1600 int fctape, sendstatus, resid; 1601 tstate_t *tptr; 1602 fcparam *fcp; 1603 atio_private_data_t *atp; 1604 struct ccb_scsiio *cso; 1605 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1606 uint8_t local[QENTRY_LEN]; 1607 1608 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb)); 1609 if (tptr == NULL) { 1610 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD); 1611 if (tptr == NULL) { 1612 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find tstate pointer", __func__, ccb->csio.tag_id); 1613 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1614 xpt_done(ccb); 1615 return; 1616 } 1617 } 1618 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, 1619 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1620 1621 switch (how) { 1622 case FROM_TIMER: 1623 case FROM_CAM: 1624 /* 1625 * Insert at the tail of the list, if any, waiting CTIO CCBs 1626 */ 1627 TAILQ_INSERT_TAIL(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1628 break; 1629 case FROM_SRR: 1630 case FROM_CTIO_DONE: 1631 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1632 break; 1633 } 1634 1635 while (TAILQ_FIRST(&tptr->waitq) != NULL) { 1636 ccb = (union ccb *) TAILQ_FIRST(&tptr->waitq); 1637 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1638 1639 cso = &ccb->csio; 1640 xfrlen = cso->dxfer_len; 1641 if (xfrlen == 0) { 1642 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1643 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1644 ccb->ccb_h.status = CAM_REQ_INVALID; 1645 xpt_done(ccb); 1646 continue; 1647 } 1648 } 1649 1650 atp = isp_find_atpd(isp, tptr, cso->tag_id); 1651 if (atp == NULL) { 1652 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1653 isp_dump_atpd(isp, tptr); 1654 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1655 xpt_done(ccb); 1656 continue; 1657 } 1658 1659 /* 1660 * Is this command a dead duck? 1661 */ 1662 if (atp->dead) { 1663 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1664 ccb->ccb_h.status = CAM_REQ_ABORTED; 1665 xpt_done(ccb); 1666 continue; 1667 } 1668 1669 /* 1670 * Check to make sure we're still in target mode. 1671 */ 1672 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1673 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1674 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1675 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1676 xpt_done(ccb); 1677 continue; 1678 } 1679 1680 /* 1681 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1682 * could be split into two CTIOs to split data and status). 1683 */ 1684 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1685 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); 1686 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1687 break; 1688 } 1689 1690 /* 1691 * Does the initiator expect FC-Tape style responses? 1692 */ 1693 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1694 fctape = 1; 1695 } else { 1696 fctape = 0; 1697 } 1698 1699 /* 1700 * If we already did the data xfer portion of a CTIO that sends data 1701 * and status, don't do it again and do the status portion now. 1702 */ 1703 if (atp->sendst) { 1704 isp_prt(isp, ISP_LOGTINFO, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1705 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1706 xfrlen = 0; /* we already did the data transfer */ 1707 atp->sendst = 0; 1708 } 1709 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1710 sendstatus = 1; 1711 } else { 1712 sendstatus = 0; 1713 } 1714 1715 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1716 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1717 /* 1718 * Sense length is not the entire sense data structure size. Periph 1719 * drivers don't seem to be setting sense_len to reflect the actual 1720 * size. We'll peek inside to get the right amount. 1721 */ 1722 sense_length = cso->sense_len; 1723 1724 /* 1725 * This 'cannot' happen 1726 */ 1727 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1728 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1729 } 1730 } else { 1731 sense_length = 0; 1732 } 1733 1734 memset(local, 0, QENTRY_LEN); 1735 1736 /* 1737 * Check for overflow 1738 */ 1739 tmp = atp->bytes_xfered + atp->bytes_in_transit + xfrlen; 1740 if (tmp > atp->orig_datalen) { 1741 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] data overflow by %u bytes", __func__, cso->tag_id, tmp - atp->orig_datalen); 1742 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1743 xpt_done(ccb); 1744 continue; 1745 } 1746 1747 if (IS_24XX(isp)) { 1748 ct7_entry_t *cto = (ct7_entry_t *) local; 1749 1750 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1751 cto->ct_header.rqs_entry_count = 1; 1752 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1753 ATPD_SET_SEQNO(cto, atp); 1754 cto->ct_nphdl = atp->nphdl; 1755 cto->ct_rxid = atp->tag; 1756 cto->ct_iid_lo = atp->portid; 1757 cto->ct_iid_hi = atp->portid >> 16; 1758 cto->ct_oxid = atp->oxid; 1759 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1760 cto->ct_timeout = 120; 1761 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1762 1763 /* 1764 * Mode 1, status, no data. Only possible when we are sending status, have 1765 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1766 * 1767 * Mode 2, status, no data. We have to use this in the case that 1768 * the sense data won't fit into a ct7_entry_t. 1769 * 1770 */ 1771 if (sendstatus && xfrlen == 0) { 1772 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1773 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1774 if (sense_length <= MAXRESPLEN_24XX) { 1775 if (resid < 0) { 1776 cto->ct_resid = -resid; 1777 } else if (resid > 0) { 1778 cto->ct_resid = resid; 1779 } 1780 cto->ct_flags |= CT7_FLAG_MODE1; 1781 cto->ct_scsi_status = cso->scsi_status; 1782 if (resid < 0) { 1783 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1784 } else if (resid > 0) { 1785 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1786 } 1787 if (fctape) { 1788 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1789 } 1790 if (sense_length) { 1791 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1792 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1793 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1794 } 1795 } else { 1796 bus_addr_t addr; 1797 char buf[XCMD_SIZE]; 1798 fcp_rsp_iu_t *rp; 1799 1800 if (atp->ests == NULL) { 1801 atp->ests = isp_get_ecmd(isp); 1802 if (atp->ests == NULL) { 1803 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1804 break; 1805 } 1806 } 1807 memset(buf, 0, sizeof (buf)); 1808 rp = (fcp_rsp_iu_t *)buf; 1809 if (fctape) { 1810 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1811 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1812 } 1813 cto->ct_flags |= CT7_FLAG_MODE2; 1814 rp->fcp_rsp_scsi_status = cso->scsi_status; 1815 if (resid < 0) { 1816 rp->fcp_rsp_resid = -resid; 1817 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1818 } else if (resid > 0) { 1819 rp->fcp_rsp_resid = resid; 1820 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1821 } 1822 if (sense_length) { 1823 rp->fcp_rsp_snslen = sense_length; 1824 cto->ct_senselen = sense_length; 1825 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1826 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1827 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1828 } else { 1829 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1830 } 1831 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1832 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1833 } 1834 addr = isp->isp_osinfo.ecmd_dma; 1835 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1836 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, 1837 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1838 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1839 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1840 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1841 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1842 } 1843 if (sense_length) { 1844 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__, 1845 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, 1846 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1847 } else { 1848 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1849 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1850 } 1851 atp->state = ATPD_STATE_LAST_CTIO; 1852 } 1853 1854 /* 1855 * Mode 0 data transfers, *possibly* with status. 1856 */ 1857 if (xfrlen != 0) { 1858 cto->ct_flags |= CT7_FLAG_MODE0; 1859 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1860 cto->ct_flags |= CT7_DATA_IN; 1861 } else { 1862 cto->ct_flags |= CT7_DATA_OUT; 1863 } 1864 1865 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1866 cto->rsp.m0.ct_xfrlen = xfrlen; 1867 1868 #ifdef DEBUG 1869 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1870 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1871 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1872 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1873 } 1874 #endif 1875 if (sendstatus) { 1876 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1877 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1878 cto->ct_flags |= CT7_SENDSTATUS; 1879 atp->state = ATPD_STATE_LAST_CTIO; 1880 if (fctape) { 1881 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1882 } 1883 } else { 1884 atp->sendst = 1; /* send status later */ 1885 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1886 atp->state = ATPD_STATE_CTIO; 1887 } 1888 } else { 1889 atp->state = ATPD_STATE_CTIO; 1890 } 1891 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__, 1892 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1893 } 1894 } else if (IS_FC(isp)) { 1895 ct2_entry_t *cto = (ct2_entry_t *) local; 1896 1897 if (isp->isp_osinfo.sixtyfourbit) 1898 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3; 1899 else 1900 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1901 cto->ct_header.rqs_entry_count = 1; 1902 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1903 ATPD_SET_SEQNO(cto, atp); 1904 if (ISP_CAP_2KLOGIN(isp)) { 1905 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl; 1906 } else { 1907 cto->ct_iid = atp->nphdl; 1908 if (ISP_CAP_SCCFW(isp) == 0) { 1909 cto->ct_lun = ccb->ccb_h.target_lun; 1910 } 1911 } 1912 cto->ct_timeout = 10; 1913 cto->ct_rxid = cso->tag_id; 1914 1915 /* 1916 * Mode 1, status, no data. Only possible when we are sending status, have 1917 * no data to transfer, and the sense length can fit in the ct7_entry. 1918 * 1919 * Mode 2, status, no data. We have to use this in the case the response 1920 * length won't fit into a ct2_entry_t. 1921 * 1922 * We'll fill out this structure with information as if this were a 1923 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1924 * needed based upon this. 1925 */ 1926 if (sendstatus && xfrlen == 0) { 1927 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1928 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1929 if (sense_length <= MAXRESPLEN) { 1930 if (resid < 0) { 1931 cto->ct_resid = -resid; 1932 } else if (resid > 0) { 1933 cto->ct_resid = resid; 1934 } 1935 cto->ct_flags |= CT2_FLAG_MODE1; 1936 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1937 if (resid < 0) { 1938 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1939 } else if (resid > 0) { 1940 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1941 } 1942 if (fctape) { 1943 cto->ct_flags |= CT2_CONFIRM; 1944 } 1945 if (sense_length) { 1946 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1947 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1948 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1949 } 1950 } else { 1951 bus_addr_t addr; 1952 char buf[XCMD_SIZE]; 1953 fcp_rsp_iu_t *rp; 1954 1955 if (atp->ests == NULL) { 1956 atp->ests = isp_get_ecmd(isp); 1957 if (atp->ests == NULL) { 1958 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1959 break; 1960 } 1961 } 1962 memset(buf, 0, sizeof (buf)); 1963 rp = (fcp_rsp_iu_t *)buf; 1964 if (fctape) { 1965 cto->ct_flags |= CT2_CONFIRM; 1966 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1967 } 1968 cto->ct_flags |= CT2_FLAG_MODE2; 1969 rp->fcp_rsp_scsi_status = cso->scsi_status; 1970 if (resid < 0) { 1971 rp->fcp_rsp_resid = -resid; 1972 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1973 } else if (resid > 0) { 1974 rp->fcp_rsp_resid = resid; 1975 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1976 } 1977 if (sense_length) { 1978 rp->fcp_rsp_snslen = sense_length; 1979 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1980 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1981 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1982 } else { 1983 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1984 } 1985 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1986 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1987 } 1988 addr = isp->isp_osinfo.ecmd_dma; 1989 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1990 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, 1991 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1992 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1993 if (isp->isp_osinfo.sixtyfourbit) { 1994 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr); 1995 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr); 1996 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1997 } else { 1998 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 1999 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 2000 } 2001 } 2002 if (sense_length) { 2003 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__, 2004 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, 2005 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 2006 } else { 2007 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, 2008 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid); 2009 } 2010 atp->state = ATPD_STATE_LAST_CTIO; 2011 } 2012 2013 if (xfrlen != 0) { 2014 cto->ct_flags |= CT2_FLAG_MODE0; 2015 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2016 cto->ct_flags |= CT2_DATA_IN; 2017 } else { 2018 cto->ct_flags |= CT2_DATA_OUT; 2019 } 2020 2021 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit; 2022 cto->rsp.m0.ct_xfrlen = xfrlen; 2023 2024 if (sendstatus) { 2025 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 2026 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) { 2027 cto->ct_flags |= CT2_SENDSTATUS; 2028 atp->state = ATPD_STATE_LAST_CTIO; 2029 if (fctape) { 2030 cto->ct_flags |= CT2_CONFIRM; 2031 } 2032 } else { 2033 atp->sendst = 1; /* send status later */ 2034 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 2035 atp->state = ATPD_STATE_CTIO; 2036 } 2037 } else { 2038 atp->state = ATPD_STATE_CTIO; 2039 } 2040 } 2041 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, 2042 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); 2043 } else { 2044 ct_entry_t *cto = (ct_entry_t *) local; 2045 2046 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO; 2047 cto->ct_header.rqs_entry_count = 1; 2048 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 2049 ATPD_SET_SEQNO(cto, atp); 2050 cto->ct_iid = cso->init_id; 2051 cto->ct_iid |= XS_CHANNEL(ccb) << 7; 2052 cto->ct_tgt = ccb->ccb_h.target_id; 2053 cto->ct_lun = ccb->ccb_h.target_lun; 2054 cto->ct_fwhandle = cso->tag_id; 2055 if (atp->rxid) { 2056 cto->ct_tag_val = atp->rxid; 2057 cto->ct_flags |= CT_TQAE; 2058 } 2059 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 2060 cto->ct_flags |= CT_NODISC; 2061 } 2062 if (cso->dxfer_len == 0) { 2063 cto->ct_flags |= CT_NO_DATA; 2064 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2065 cto->ct_flags |= CT_DATA_IN; 2066 } else { 2067 cto->ct_flags |= CT_DATA_OUT; 2068 } 2069 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 2070 cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR; 2071 cto->ct_scsi_status = cso->scsi_status; 2072 cto->ct_resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit - xfrlen; 2073 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d scsi status %x resid %d tag_id %x", __func__, 2074 cto->ct_fwhandle, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), cso->scsi_status, cso->resid, cso->tag_id); 2075 } 2076 ccb->ccb_h.flags &= ~CAM_SEND_SENSE; 2077 cto->ct_timeout = 10; 2078 } 2079 2080 if (isp_get_pcmd(isp, ccb)) { 2081 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 2082 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2083 break; 2084 } 2085 if (isp_allocate_xs_tgt(isp, ccb, &handle)) { 2086 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 2087 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2088 isp_free_pcmd(isp, ccb); 2089 break; 2090 } 2091 atp->bytes_in_transit += xfrlen; 2092 PISP_PCMD(ccb)->datalen = xfrlen; 2093 2094 2095 /* 2096 * Call the dma setup routines for this entry (and any subsequent 2097 * CTIOs) if there's data to move, and then tell the f/w it's got 2098 * new things to play with. As with isp_start's usage of DMA setup, 2099 * any swizzling is done in the machine dependent layer. Because 2100 * of this, we put the request onto the queue area first in native 2101 * format. 2102 */ 2103 2104 if (IS_24XX(isp)) { 2105 ct7_entry_t *cto = (ct7_entry_t *) local; 2106 cto->ct_syshandle = handle; 2107 } else if (IS_FC(isp)) { 2108 ct2_entry_t *cto = (ct2_entry_t *) local; 2109 cto->ct_syshandle = handle; 2110 } else { 2111 ct_entry_t *cto = (ct_entry_t *) local; 2112 cto->ct_syshandle = handle; 2113 } 2114 2115 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local); 2116 if (dmaresult != CMD_QUEUED) { 2117 isp_destroy_tgt_handle(isp, handle); 2118 isp_free_pcmd(isp, ccb); 2119 if (dmaresult == CMD_EAGAIN) { 2120 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2121 break; 2122 } 2123 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2124 xpt_done(ccb); 2125 continue; 2126 } 2127 isp->isp_nactive++; 2128 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 2129 if (xfrlen) { 2130 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 2131 } else { 2132 ccb->ccb_h.spriv_field0 = ~0; 2133 } 2134 atp->ctcnt++; 2135 atp->seqno++; 2136 } 2137 rls_lun_statep(isp, tptr); 2138 } 2139 2140 static void 2141 isp_refire_putback_atio(void *arg) 2142 { 2143 union ccb *ccb = arg; 2144 2145 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb)); 2146 isp_target_putback_atio(ccb); 2147 } 2148 2149 static void 2150 isp_refire_notify_ack(void *arg) 2151 { 2152 isp_tna_t *tp = arg; 2153 ispsoftc_t *isp = tp->isp; 2154 2155 ISP_ASSERT_LOCKED(isp); 2156 if (isp_notify_ack(isp, tp->not)) { 2157 callout_schedule(&tp->timer, 5); 2158 } else { 2159 free(tp, M_DEVBUF); 2160 } 2161 } 2162 2163 2164 static void 2165 isp_target_putback_atio(union ccb *ccb) 2166 { 2167 ispsoftc_t *isp; 2168 struct ccb_scsiio *cso; 2169 void *qe; 2170 2171 isp = XS_ISP(ccb); 2172 2173 qe = isp_getrqentry(isp); 2174 if (qe == NULL) { 2175 xpt_print(ccb->ccb_h.path, 2176 "%s: Request Queue Overflow\n", __func__); 2177 callout_reset(&PISP_PCMD(ccb)->wdog, 10, 2178 isp_refire_putback_atio, ccb); 2179 return; 2180 } 2181 memset(qe, 0, QENTRY_LEN); 2182 cso = &ccb->csio; 2183 if (IS_FC(isp)) { 2184 at2_entry_t local, *at = &local; 2185 ISP_MEMZERO(at, sizeof (at2_entry_t)); 2186 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 2187 at->at_header.rqs_entry_count = 1; 2188 if (ISP_CAP_SCCFW(isp)) { 2189 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 2190 #if __FreeBSD_version < 1000700 2191 if (at->at_scclun >= 256) 2192 at->at_scclun |= 0x4000; 2193 #endif 2194 } else { 2195 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 2196 } 2197 at->at_status = CT_OK; 2198 at->at_rxid = cso->tag_id; 2199 at->at_iid = cso->ccb_h.target_id; 2200 isp_put_atio2(isp, at, qe); 2201 } else { 2202 at_entry_t local, *at = &local; 2203 ISP_MEMZERO(at, sizeof (at_entry_t)); 2204 at->at_header.rqs_entry_type = RQSTYPE_ATIO; 2205 at->at_header.rqs_entry_count = 1; 2206 at->at_iid = cso->init_id; 2207 at->at_iid |= XS_CHANNEL(ccb) << 7; 2208 at->at_tgt = cso->ccb_h.target_id; 2209 at->at_lun = cso->ccb_h.target_lun; 2210 at->at_status = CT_OK; 2211 at->at_tag_val = AT_GET_TAG(cso->tag_id); 2212 at->at_handle = AT_GET_HANDLE(cso->tag_id); 2213 isp_put_atio(isp, at, qe); 2214 } 2215 ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe); 2216 ISP_SYNC_REQUEST(isp); 2217 isp_complete_ctio(ccb); 2218 } 2219 2220 static void 2221 isp_complete_ctio(union ccb *ccb) 2222 { 2223 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 2224 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2225 xpt_done(ccb); 2226 } 2227 } 2228 2229 /* 2230 * Handle ATIO stuff that the generic code can't. 2231 * This means handling CDBs. 2232 */ 2233 2234 static void 2235 isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep) 2236 { 2237 tstate_t *tptr; 2238 int status, bus; 2239 struct ccb_accept_tio *atiop; 2240 atio_private_data_t *atp; 2241 2242 /* 2243 * The firmware status (except for the QLTM_SVALID bit) 2244 * indicates why this ATIO was sent to us. 2245 * 2246 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 2247 * 2248 * If the DISCONNECTS DISABLED bit is set in the flags field, 2249 * we're still connected on the SCSI bus. 2250 */ 2251 status = aep->at_status; 2252 if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) { 2253 /* 2254 * Bus Phase Sequence error. We should have sense data 2255 * suggested by the f/w. I'm not sure quite yet what 2256 * to do about this for CAM. 2257 */ 2258 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR"); 2259 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2260 return; 2261 } 2262 if ((status & ~QLTM_SVALID) != AT_CDB) { 2263 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", status); 2264 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2265 return; 2266 } 2267 2268 bus = GET_BUS_VAL(aep->at_iid); 2269 tptr = get_lun_statep(isp, bus, aep->at_lun); 2270 if (tptr == NULL) { 2271 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 2272 if (tptr == NULL) { 2273 /* 2274 * Because we can't autofeed sense data back with 2275 * a command for parallel SCSI, we can't give back 2276 * a CHECK CONDITION. We'll give back a BUSY status 2277 * instead. This works out okay because the only 2278 * time we should, in fact, get this, is in the 2279 * case that somebody configured us without the 2280 * blackhole driver, so they get what they deserve. 2281 */ 2282 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2283 return; 2284 } 2285 } 2286 2287 atp = isp_get_atpd(isp, tptr, aep->at_handle); 2288 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2289 if (atiop == NULL || atp == NULL) { 2290 /* 2291 * Because we can't autofeed sense data back with 2292 * a command for parallel SCSI, we can't give back 2293 * a CHECK CONDITION. We'll give back a QUEUE FULL status 2294 * instead. This works out okay because the only time we 2295 * should, in fact, get this, is in the case that we've 2296 * run out of ATIOS. 2297 */ 2298 xpt_print(tptr->owner, "no %s for lun %d from initiator %d\n", (atp == NULL && atiop == NULL)? "ATIOs *or* ATPS" : 2299 ((atp == NULL)? "ATPs" : "ATIOs"), aep->at_lun, aep->at_iid); 2300 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2301 if (atp) { 2302 isp_put_atpd(isp, tptr, atp); 2303 } 2304 rls_lun_statep(isp, tptr); 2305 return; 2306 } 2307 atp->rxid = aep->at_tag_val; 2308 atp->state = ATPD_STATE_ATIO; 2309 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2310 tptr->atio_count--; 2311 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count); 2312 atiop->ccb_h.target_id = aep->at_tgt; 2313 atiop->ccb_h.target_lun = aep->at_lun; 2314 if (aep->at_flags & AT_NODISC) { 2315 atiop->ccb_h.flags |= CAM_DIS_DISCONNECT; 2316 } else { 2317 atiop->ccb_h.flags &= ~CAM_DIS_DISCONNECT; 2318 } 2319 2320 if (status & QLTM_SVALID) { 2321 size_t amt = ISP_MIN(QLTM_SENSELEN, sizeof (atiop->sense_data)); 2322 atiop->sense_len = amt; 2323 ISP_MEMCPY(&atiop->sense_data, aep->at_sense, amt); 2324 } else { 2325 atiop->sense_len = 0; 2326 } 2327 2328 atiop->init_id = GET_IID_VAL(aep->at_iid); 2329 atiop->cdb_len = aep->at_cdblen; 2330 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen); 2331 atiop->ccb_h.status = CAM_CDB_RECVD; 2332 /* 2333 * Construct a tag 'id' based upon tag value (which may be 0..255) 2334 * and the handle (which we have to preserve). 2335 */ 2336 atiop->tag_id = atp->tag; 2337 if (aep->at_flags & AT_TQAE) { 2338 atiop->tag_action = aep->at_tag_type; 2339 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID; 2340 } 2341 atp->orig_datalen = 0; 2342 atp->bytes_xfered = 0; 2343 atp->lun = aep->at_lun; 2344 atp->nphdl = aep->at_iid; 2345 atp->portid = PORT_NONE; 2346 atp->oxid = 0; 2347 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 2348 atp->tattr = aep->at_tag_type; 2349 atp->state = ATPD_STATE_CAM; 2350 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO[0x%x] CDB=0x%x lun %d", aep->at_tag_val, atp->cdb0, atp->lun); 2351 rls_lun_statep(isp, tptr); 2352 } 2353 2354 static void 2355 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep) 2356 { 2357 lun_id_t lun; 2358 fcportdb_t *lp; 2359 tstate_t *tptr; 2360 struct ccb_accept_tio *atiop; 2361 uint16_t nphdl; 2362 atio_private_data_t *atp; 2363 inot_private_data_t *ntp; 2364 2365 /* 2366 * The firmware status (except for the QLTM_SVALID bit) 2367 * indicates why this ATIO was sent to us. 2368 * 2369 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 2370 */ 2371 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 2372 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status); 2373 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2374 return; 2375 } 2376 2377 if (ISP_CAP_SCCFW(isp)) { 2378 lun = aep->at_scclun; 2379 #if __FreeBSD_version < 1000700 2380 lun &= 0x3fff; 2381 #endif 2382 } else { 2383 lun = aep->at_lun; 2384 } 2385 if (ISP_CAP_2KLOGIN(isp)) { 2386 nphdl = ((at2e_entry_t *)aep)->at_iid; 2387 } else { 2388 nphdl = aep->at_iid; 2389 } 2390 tptr = get_lun_statep(isp, 0, lun); 2391 if (tptr == NULL) { 2392 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 2393 if (tptr == NULL) { 2394 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun); 2395 if (lun == 0) { 2396 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2397 } else { 2398 isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 2399 } 2400 return; 2401 } 2402 } 2403 2404 /* 2405 * Start any commands pending resources first. 2406 */ 2407 if (tptr->restart_queue) { 2408 inot_private_data_t *restart_queue = tptr->restart_queue; 2409 tptr->restart_queue = NULL; 2410 while (restart_queue) { 2411 ntp = restart_queue; 2412 restart_queue = ntp->rd.nt.nt_hba; 2413 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid); 2414 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data); 2415 isp_put_ntpd(isp, tptr, ntp); 2416 /* 2417 * If a recursion caused the restart queue to start to fill again, 2418 * stop and splice the new list on top of the old list and restore 2419 * it and go to noresrc. 2420 */ 2421 if (tptr->restart_queue) { 2422 ntp = tptr->restart_queue; 2423 tptr->restart_queue = restart_queue; 2424 while (restart_queue->rd.nt.nt_hba) { 2425 restart_queue = restart_queue->rd.nt.nt_hba; 2426 } 2427 restart_queue->rd.nt.nt_hba = ntp; 2428 goto noresrc; 2429 } 2430 } 2431 } 2432 2433 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2434 if (atiop == NULL) { 2435 goto noresrc; 2436 } 2437 2438 atp = isp_get_atpd(isp, tptr, aep->at_rxid); 2439 if (atp == NULL) { 2440 goto noresrc; 2441 } 2442 2443 atp->state = ATPD_STATE_ATIO; 2444 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2445 tptr->atio_count--; 2446 isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count); 2447 atiop->ccb_h.target_id = FCPARAM(isp, 0)->isp_loopid; 2448 atiop->ccb_h.target_lun = lun; 2449 2450 /* 2451 * We don't get 'suggested' sense data as we do with SCSI cards. 2452 */ 2453 atiop->sense_len = 0; 2454 2455 /* 2456 * If we're not in the port database, add ourselves. 2457 */ 2458 if (IS_2100(isp)) 2459 atiop->init_id = nphdl; 2460 else { 2461 if ((isp_find_pdb_by_handle(isp, 0, nphdl, &lp) == 0 || 2462 lp->state == FC_PORTDB_STATE_ZOMBIE)) { 2463 uint64_t wwpn = 2464 (((uint64_t) aep->at_wwpn[0]) << 48) | 2465 (((uint64_t) aep->at_wwpn[1]) << 32) | 2466 (((uint64_t) aep->at_wwpn[2]) << 16) | 2467 (((uint64_t) aep->at_wwpn[3]) << 0); 2468 isp_add_wwn_entry(isp, 0, wwpn, INI_NONE, 2469 nphdl, PORT_ANY, 0); 2470 isp_find_pdb_by_handle(isp, 0, nphdl, &lp); 2471 } 2472 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp); 2473 } 2474 atiop->cdb_len = ATIO2_CDBLEN; 2475 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 2476 atiop->ccb_h.status = CAM_CDB_RECVD; 2477 atiop->tag_id = atp->tag; 2478 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 2479 case ATIO2_TC_ATTR_SIMPLEQ: 2480 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2481 atiop->tag_action = MSG_SIMPLE_Q_TAG; 2482 break; 2483 case ATIO2_TC_ATTR_HEADOFQ: 2484 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2485 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 2486 break; 2487 case ATIO2_TC_ATTR_ORDERED: 2488 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2489 atiop->tag_action = MSG_ORDERED_Q_TAG; 2490 break; 2491 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 2492 case ATIO2_TC_ATTR_UNTAGGED: 2493 default: 2494 atiop->tag_action = 0; 2495 break; 2496 } 2497 2498 atp->orig_datalen = aep->at_datalen; 2499 atp->bytes_xfered = 0; 2500 atp->lun = lun; 2501 atp->nphdl = nphdl; 2502 atp->sid = PORT_ANY; 2503 atp->oxid = aep->at_oxid; 2504 atp->cdb0 = aep->at_cdb[0]; 2505 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 2506 atp->state = ATPD_STATE_CAM; 2507 xpt_done((union ccb *)atiop); 2508 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); 2509 rls_lun_statep(isp, tptr); 2510 return; 2511 noresrc: 2512 ntp = isp_get_ntpd(isp, tptr); 2513 if (ntp == NULL) { 2514 rls_lun_statep(isp, tptr); 2515 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 2516 return; 2517 } 2518 memcpy(ntp->rd.data, aep, QENTRY_LEN); 2519 ntp->rd.nt.nt_hba = tptr->restart_queue; 2520 tptr->restart_queue = ntp; 2521 rls_lun_statep(isp, tptr); 2522 } 2523 2524 static void 2525 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 2526 { 2527 int cdbxlen; 2528 lun_id_t lun; 2529 uint16_t chan, nphdl = NIL_HANDLE; 2530 uint32_t did, sid; 2531 fcportdb_t *lp; 2532 tstate_t *tptr; 2533 struct ccb_accept_tio *atiop; 2534 atio_private_data_t *atp = NULL; 2535 atio_private_data_t *oatp; 2536 inot_private_data_t *ntp; 2537 2538 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 2539 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2540 #if __FreeBSD_version >= 1000700 2541 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 2542 #else 2543 lun = (aep->at_cmnd.fcp_cmnd_lun[0] & 0x3f << 8) | 2544 aep->at_cmnd.fcp_cmnd_lun[1]; 2545 #endif 2546 2547 /* 2548 * Find the N-port handle, and Virtual Port Index for this command. 2549 * 2550 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information. 2551 * We also, as a matter of course, need to know the WWN of the initiator too. 2552 */ 2553 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 2554 /* 2555 * Find the right channel based upon D_ID 2556 */ 2557 isp_find_chan_by_did(isp, did, &chan); 2558 2559 if (chan == ISP_NOCHAN) { 2560 NANOTIME_T now; 2561 2562 /* 2563 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup 2564 * It's a bit tricky here as we need to stash this command *somewhere*. 2565 */ 2566 GET_NANOTIME(&now); 2567 if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) { 2568 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did); 2569 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 2570 return; 2571 } 2572 tptr = get_lun_statep(isp, 0, 0); 2573 if (tptr == NULL) { 2574 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 2575 if (tptr == NULL) { 2576 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); 2577 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 2578 return; 2579 } 2580 } 2581 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did); 2582 goto noresrc; 2583 } 2584 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); 2585 } else { 2586 chan = 0; 2587 } 2588 2589 /* 2590 * Find the PDB entry for this initiator 2591 */ 2592 if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) { 2593 /* 2594 * If we're not in the port database terminate the exchange. 2595 */ 2596 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", 2597 __func__, aep->at_rxid, did, chan, sid); 2598 isp_dump_portdb(isp, chan); 2599 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 2600 return; 2601 } 2602 nphdl = lp->handle; 2603 2604 /* 2605 * Get the tstate pointer 2606 */ 2607 tptr = get_lun_statep(isp, chan, lun); 2608 if (tptr == NULL) { 2609 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 2610 if (tptr == NULL) { 2611 isp_prt(isp, ISP_LOGWARN, 2612 "%s: [0x%x] no state pointer for lun %jx or wildcard", 2613 __func__, aep->at_rxid, (uintmax_t)lun); 2614 if (lun == 0) { 2615 isp_endcmd(isp, aep, nphdl, SCSI_STATUS_BUSY, 0); 2616 } else { 2617 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 2618 } 2619 return; 2620 } 2621 } 2622 2623 /* 2624 * Start any commands pending resources first. 2625 */ 2626 if (tptr->restart_queue) { 2627 inot_private_data_t *restart_queue = tptr->restart_queue; 2628 tptr->restart_queue = NULL; 2629 while (restart_queue) { 2630 ntp = restart_queue; 2631 restart_queue = ntp->rd.nt.nt_hba; 2632 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid); 2633 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data); 2634 isp_put_ntpd(isp, tptr, ntp); 2635 /* 2636 * If a recursion caused the restart queue to start to fill again, 2637 * stop and splice the new list on top of the old list and restore 2638 * it and go to noresrc. 2639 */ 2640 if (tptr->restart_queue) { 2641 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restart queue refilling", __func__); 2642 if (restart_queue) { 2643 ntp = tptr->restart_queue; 2644 tptr->restart_queue = restart_queue; 2645 while (restart_queue->rd.nt.nt_hba) { 2646 restart_queue = restart_queue->rd.nt.nt_hba; 2647 } 2648 restart_queue->rd.nt.nt_hba = ntp; 2649 } 2650 goto noresrc; 2651 } 2652 } 2653 } 2654 2655 /* 2656 * If the f/w is out of resources, just send a BUSY status back. 2657 */ 2658 if (aep->at_rxid == AT7_NORESRC_RXID) { 2659 rls_lun_statep(isp, tptr); 2660 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 2661 return; 2662 } 2663 2664 /* 2665 * If we're out of resources, just send a BUSY status back. 2666 */ 2667 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2668 if (atiop == NULL) { 2669 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 2670 goto noresrc; 2671 } 2672 2673 oatp = isp_find_atpd(isp, tptr, aep->at_rxid); 2674 if (oatp) { 2675 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", 2676 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 2677 /* 2678 * It's not a "no resource" condition- but we can treat it like one 2679 */ 2680 goto noresrc; 2681 } 2682 atp = isp_get_atpd(isp, tptr, aep->at_rxid); 2683 if (atp == NULL) { 2684 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 2685 goto noresrc; 2686 } 2687 atp->word3 = lp->prli_word3; 2688 atp->state = ATPD_STATE_ATIO; 2689 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2690 tptr->atio_count--; 2691 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count); 2692 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 2693 atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid; 2694 atiop->ccb_h.target_lun = lun; 2695 atiop->sense_len = 0; 2696 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 2697 if (cdbxlen) { 2698 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 2699 } 2700 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 2701 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 2702 atiop->cdb_len = cdbxlen; 2703 atiop->ccb_h.status = CAM_CDB_RECVD; 2704 atiop->tag_id = atp->tag; 2705 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 2706 case FCP_CMND_TASK_ATTR_SIMPLE: 2707 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2708 atiop->tag_action = MSG_SIMPLE_Q_TAG; 2709 break; 2710 case FCP_CMND_TASK_ATTR_HEAD: 2711 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2712 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 2713 break; 2714 case FCP_CMND_TASK_ATTR_ORDERED: 2715 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2716 atiop->tag_action = MSG_ORDERED_Q_TAG; 2717 break; 2718 default: 2719 /* FALLTHROUGH */ 2720 case FCP_CMND_TASK_ATTR_ACA: 2721 case FCP_CMND_TASK_ATTR_UNTAGGED: 2722 atiop->tag_action = 0; 2723 break; 2724 } 2725 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 2726 atp->bytes_xfered = 0; 2727 atp->lun = lun; 2728 atp->nphdl = nphdl; 2729 atp->portid = sid; 2730 atp->oxid = aep->at_hdr.ox_id; 2731 atp->rxid = aep->at_hdr.rx_id; 2732 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 2733 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 2734 atp->state = ATPD_STATE_CAM; 2735 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 2736 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 2737 xpt_done((union ccb *)atiop); 2738 rls_lun_statep(isp, tptr); 2739 return; 2740 noresrc: 2741 if (atp) { 2742 isp_put_atpd(isp, tptr, atp); 2743 } 2744 ntp = isp_get_ntpd(isp, tptr); 2745 if (ntp == NULL) { 2746 rls_lun_statep(isp, tptr); 2747 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 2748 return; 2749 } 2750 memcpy(ntp->rd.data, aep, QENTRY_LEN); 2751 ntp->rd.nt.nt_hba = tptr->restart_queue; 2752 tptr->restart_queue = ntp; 2753 rls_lun_statep(isp, tptr); 2754 } 2755 2756 2757 /* 2758 * Handle starting an SRR (sequence retransmit request) 2759 * We get here when we've gotten the immediate notify 2760 * and the return of all outstanding CTIOs for this 2761 * transaction. 2762 */ 2763 static void 2764 isp_handle_srr_start(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp) 2765 { 2766 in_fcentry_24xx_t *inot; 2767 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 2768 union ccb *ccb; 2769 2770 inot = (in_fcentry_24xx_t *)atp->srr; 2771 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 2772 ccb = atp->srr_ccb; 2773 atp->srr_ccb = NULL; 2774 atp->nsrr++; 2775 if (ccb == NULL) { 2776 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 2777 goto fail; 2778 } 2779 2780 ccb_off = ccb->ccb_h.spriv_field0; 2781 ccb_len = ccb->csio.dxfer_len; 2782 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 2783 2784 switch (inot->in_srr_iu) { 2785 case R_CTL_INFO_SOLICITED_DATA: 2786 /* 2787 * We have to restart a FCP_DATA data out transaction 2788 */ 2789 atp->sendst = 0; 2790 atp->bytes_xfered = srr_off; 2791 if (ccb_len == 0) { 2792 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 2793 goto mdp; 2794 } 2795 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 2796 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); 2797 goto mdp; 2798 } 2799 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); 2800 break; 2801 case R_CTL_INFO_COMMAND_STATUS: 2802 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 2803 atp->sendst = 1; 2804 /* 2805 * We have to restart a FCP_RSP IU transaction 2806 */ 2807 break; 2808 case R_CTL_INFO_DATA_DESCRIPTOR: 2809 /* 2810 * We have to restart an FCP DATA in transaction 2811 */ 2812 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 2813 goto fail; 2814 2815 default: 2816 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 2817 goto fail; 2818 } 2819 2820 /* 2821 * We can't do anything until this is acked, so we might as well start it now. 2822 * We aren't going to do the usual asynchronous ack issue because we need 2823 * to make sure this gets on the wire first. 2824 */ 2825 if (isp_notify_ack(isp, inot)) { 2826 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2827 goto fail; 2828 } 2829 isp_target_start_ctio(isp, ccb, FROM_SRR); 2830 return; 2831 fail: 2832 inot->in_reserved = 1; 2833 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2834 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2835 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2836 isp_complete_ctio(ccb); 2837 return; 2838 mdp: 2839 if (isp_notify_ack(isp, inot)) { 2840 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2841 goto fail; 2842 } 2843 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2844 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2845 /* 2846 * This is not a strict interpretation of MDP, but it's close 2847 */ 2848 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2849 ccb->csio.msg_len = 7; 2850 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2851 ccb->csio.msg_ptr[1] = 5; 2852 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2853 ccb->csio.msg_ptr[3] = srr_off >> 24; 2854 ccb->csio.msg_ptr[4] = srr_off >> 16; 2855 ccb->csio.msg_ptr[5] = srr_off >> 8; 2856 ccb->csio.msg_ptr[6] = srr_off; 2857 isp_complete_ctio(ccb); 2858 } 2859 2860 2861 static void 2862 isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw) 2863 { 2864 tstate_t *tptr; 2865 in_fcentry_24xx_t *inot = inot_raw; 2866 atio_private_data_t *atp; 2867 uint32_t tag = inot->in_rxid; 2868 uint32_t bus = inot->in_vpidx; 2869 2870 if (!IS_24XX(isp)) { 2871 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw); 2872 return; 2873 } 2874 2875 tptr = get_lun_statep_from_tag(isp, bus, tag); 2876 if (tptr == NULL) { 2877 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x in SRR Notify", __func__, tag); 2878 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2879 return; 2880 } 2881 atp = isp_find_atpd(isp, tptr, tag); 2882 if (atp == NULL) { 2883 rls_lun_statep(isp, tptr); 2884 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag); 2885 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2886 return; 2887 } 2888 atp->srr_notify_rcvd = 1; 2889 memcpy(atp->srr, inot, sizeof (atp->srr)); 2890 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, 2891 inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16)); 2892 if (atp->srr_ccb) 2893 isp_handle_srr_start(isp, tptr, atp); 2894 rls_lun_statep(isp, tptr); 2895 } 2896 2897 static void 2898 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2899 { 2900 union ccb *ccb; 2901 int sentstatus = 0, ok = 0, notify_cam = 0, resid = 0, failure = 0; 2902 tstate_t *tptr = NULL; 2903 atio_private_data_t *atp = NULL; 2904 int bus; 2905 uint32_t handle, moved_data = 0, data_requested; 2906 2907 /* 2908 * CTIO handles are 16 bits. 2909 * CTIO2 and CTIO7 are 32 bits. 2910 */ 2911 2912 if (IS_SCSI(isp)) { 2913 handle = ((ct_entry_t *)arg)->ct_syshandle; 2914 } else { 2915 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2916 } 2917 ccb = isp_find_xs_tgt(isp, handle); 2918 if (ccb == NULL) { 2919 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2920 return; 2921 } 2922 isp_destroy_tgt_handle(isp, handle); 2923 data_requested = PISP_PCMD(ccb)->datalen; 2924 isp_free_pcmd(isp, ccb); 2925 if (isp->isp_nactive) { 2926 isp->isp_nactive--; 2927 } 2928 2929 bus = XS_CHANNEL(ccb); 2930 tptr = get_lun_statep(isp, bus, XS_LUN(ccb)); 2931 if (tptr == NULL) { 2932 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 2933 } 2934 if (tptr == NULL) { 2935 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x after I/O", __func__, ccb->csio.tag_id); 2936 return; 2937 } 2938 2939 if (IS_24XX(isp)) { 2940 atp = isp_find_atpd(isp, tptr, ((ct7_entry_t *)arg)->ct_rxid); 2941 } else if (IS_FC(isp)) { 2942 atp = isp_find_atpd(isp, tptr, ((ct2_entry_t *)arg)->ct_rxid); 2943 } else { 2944 atp = isp_find_atpd(isp, tptr, ((ct_entry_t *)arg)->ct_fwhandle); 2945 } 2946 if (atp == NULL) { 2947 /* 2948 * XXX: isp_clear_commands() generates fake CTIO with zero 2949 * ct_rxid value, filling only ct_syshandle. Workaround 2950 * that using tag_id from the CCB, pointed by ct_syshandle. 2951 */ 2952 atp = isp_find_atpd(isp, tptr, ccb->csio.tag_id); 2953 } 2954 if (atp == NULL) { 2955 rls_lun_statep(isp, tptr); 2956 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2957 return; 2958 } 2959 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2960 atp->bytes_in_transit -= data_requested; 2961 atp->ctcnt -= 1; 2962 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2963 2964 if (IS_24XX(isp)) { 2965 ct7_entry_t *ct = arg; 2966 2967 if (ct->ct_nphdl == CT7_SRR) { 2968 atp->srr_ccb = ccb; 2969 if (atp->srr_notify_rcvd) 2970 isp_handle_srr_start(isp, tptr, atp); 2971 rls_lun_statep(isp, tptr); 2972 return; 2973 } 2974 if (ct->ct_nphdl == CT_HBA_RESET) { 2975 failure = CAM_UNREC_HBA_ERROR; 2976 } else { 2977 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 2978 ok = (ct->ct_nphdl == CT7_OK); 2979 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2980 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) { 2981 resid = ct->ct_resid; 2982 moved_data = data_requested - resid; 2983 } 2984 } 2985 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), 2986 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2987 } else if (IS_FC(isp)) { 2988 ct2_entry_t *ct = arg; 2989 if (ct->ct_status == CT_SRR) { 2990 atp->srr_ccb = ccb; 2991 if (atp->srr_notify_rcvd) 2992 isp_handle_srr_start(isp, tptr, atp); 2993 rls_lun_statep(isp, tptr); 2994 isp_target_putback_atio(ccb); 2995 return; 2996 } 2997 if (ct->ct_status == CT_HBA_RESET) { 2998 failure = CAM_UNREC_HBA_ERROR; 2999 } else { 3000 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 3001 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 3002 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 3003 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) { 3004 resid = ct->ct_resid; 3005 moved_data = data_requested - resid; 3006 } 3007 } 3008 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), 3009 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 3010 } else { 3011 ct_entry_t *ct = arg; 3012 3013 if (ct->ct_status == (CT_HBA_RESET & 0xff)) { 3014 failure = CAM_UNREC_HBA_ERROR; 3015 } else { 3016 sentstatus = ct->ct_flags & CT_SENDSTATUS; 3017 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 3018 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 3019 } 3020 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) { 3021 resid = ct->ct_resid; 3022 moved_data = data_requested - resid; 3023 } 3024 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d tag %x S_ID 0x%x lun %x sts %x flg %x resid %d %s", __func__, ct->ct_fwhandle, ATPD_GET_SEQNO(ct), 3025 notify_cam, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID"); 3026 } 3027 if (ok) { 3028 if (moved_data) { 3029 atp->bytes_xfered += moved_data; 3030 ccb->csio.resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 3031 } 3032 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) { 3033 ccb->ccb_h.status |= CAM_SENT_SENSE; 3034 } 3035 ccb->ccb_h.status |= CAM_REQ_CMP; 3036 } else { 3037 notify_cam = 1; 3038 if (failure == CAM_UNREC_HBA_ERROR) 3039 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 3040 else 3041 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 3042 } 3043 atp->state = ATPD_STATE_PDON; 3044 rls_lun_statep(isp, tptr); 3045 3046 /* 3047 * We never *not* notify CAM when there has been any error (ok == 0), 3048 * so we never need to do an ATIO putback if we're not notifying CAM. 3049 */ 3050 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 3051 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 3052 if (notify_cam == 0) { 3053 if (atp->sendst) { 3054 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 3055 } 3056 return; 3057 } 3058 3059 /* 3060 * We're telling CAM we're done with this CTIO transaction. 3061 * 3062 * 24XX cards never need an ATIO put back. 3063 * 3064 * Other cards need one put back only on error. 3065 * In the latter case, a timeout will re-fire 3066 * and try again in case we didn't have 3067 * queue resources to do so at first. In any case, 3068 * once the putback is done we do the completion 3069 * call. 3070 */ 3071 if (ok || IS_24XX(isp)) { 3072 isp_complete_ctio(ccb); 3073 } else { 3074 isp_target_putback_atio(ccb); 3075 } 3076 } 3077 3078 static void 3079 isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot) 3080 { 3081 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3082 } 3083 3084 static void 3085 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp) 3086 { 3087 int needack = 1; 3088 switch (inp->in_status) { 3089 case IN_PORT_LOGOUT: 3090 /* 3091 * XXX: Need to delete this initiator's WWN from the database 3092 * XXX: Need to send this LOGOUT upstream 3093 */ 3094 isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid); 3095 break; 3096 case IN_PORT_CHANGED: 3097 isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid); 3098 break; 3099 case IN_GLOBAL_LOGO: 3100 isp_del_all_wwn_entries(isp, 0); 3101 isp_prt(isp, ISP_LOGINFO, "all ports logged out"); 3102 break; 3103 case IN_ABORT_TASK: 3104 { 3105 tstate_t *tptr; 3106 uint16_t lun; 3107 uint32_t loopid, sid; 3108 uint64_t wwn; 3109 atio_private_data_t *atp; 3110 fcportdb_t *lp; 3111 struct ccb_immediate_notify *inot = NULL; 3112 3113 if (ISP_CAP_SCCFW(isp)) { 3114 lun = inp->in_scclun; 3115 #if __FreeBSD_version < 1000700 3116 lun &= 0x3fff; 3117 #endif 3118 } else { 3119 lun = inp->in_lun; 3120 } 3121 if (ISP_CAP_2KLOGIN(isp)) { 3122 loopid = ((in_fcentry_e_t *)inp)->in_iid; 3123 } else { 3124 loopid = inp->in_iid; 3125 } 3126 if (isp_find_pdb_by_handle(isp, 0, loopid, &lp)) { 3127 wwn = lp->port_wwn; 3128 sid = lp->portid; 3129 } else { 3130 wwn = INI_ANY; 3131 sid = PORT_ANY; 3132 } 3133 tptr = get_lun_statep(isp, 0, lun); 3134 if (tptr == NULL) { 3135 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 3136 if (tptr == NULL) { 3137 isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun); 3138 return; 3139 } 3140 } 3141 atp = isp_find_atpd(isp, tptr, inp->in_seqid); 3142 3143 if (atp) { 3144 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 3145 isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state); 3146 if (inot) { 3147 tptr->inot_count--; 3148 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 3149 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count); 3150 } else { 3151 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "out of INOT structures\n"); 3152 } 3153 } else { 3154 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn); 3155 } 3156 if (inot) { 3157 isp_notify_t tmp, *nt = &tmp; 3158 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 3159 nt->nt_hba = isp; 3160 nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn; 3161 nt->nt_wwn = wwn; 3162 nt->nt_nphdl = loopid; 3163 nt->nt_sid = sid; 3164 nt->nt_did = PORT_ANY; 3165 nt->nt_lun = lun; 3166 nt->nt_need_ack = 1; 3167 nt->nt_channel = 0; 3168 nt->nt_ncode = NT_ABORT_TASK; 3169 nt->nt_lreserved = inot; 3170 isp_handle_platform_target_tmf(isp, nt); 3171 needack = 0; 3172 } 3173 rls_lun_statep(isp, tptr); 3174 break; 3175 } 3176 default: 3177 break; 3178 } 3179 if (needack) { 3180 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp); 3181 } 3182 } 3183 3184 static void 3185 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot) 3186 { 3187 uint16_t nphdl; 3188 uint16_t prli_options = 0; 3189 uint32_t portid; 3190 fcportdb_t *lp; 3191 char *msg = NULL; 3192 uint8_t *ptr = (uint8_t *)inot; 3193 uint64_t wwpn = INI_NONE, wwnn = INI_NONE; 3194 3195 nphdl = inot->in_nphdl; 3196 if (nphdl != NIL_HANDLE) { 3197 portid = inot->in_portid_hi << 16 | inot->in_portid_lo; 3198 } else { 3199 portid = PORT_ANY; 3200 } 3201 3202 switch (inot->in_status) { 3203 case IN24XX_ELS_RCVD: 3204 { 3205 char buf[16]; 3206 int chan = ISP_GET_VPIDX(isp, inot->in_vpidx); 3207 3208 /* 3209 * Note that we're just getting notification that an ELS was received 3210 * (possibly with some associated information sent upstream). This is 3211 * *not* the same as being given the ELS frame to accept or reject. 3212 */ 3213 switch (inot->in_status_subcode) { 3214 case LOGO: 3215 msg = "LOGO"; 3216 wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]); 3217 isp_del_wwn_entry(isp, chan, wwpn, nphdl, portid); 3218 break; 3219 case PRLO: 3220 msg = "PRLO"; 3221 break; 3222 case PLOGI: 3223 msg = "PLOGI"; 3224 wwnn = be64dec(&ptr[IN24XX_PLOGI_WWNN_OFF]); 3225 wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]); 3226 isp_add_wwn_entry(isp, chan, wwpn, wwnn, 3227 nphdl, portid, prli_options); 3228 break; 3229 case PRLI: 3230 msg = "PRLI"; 3231 prli_options = inot->in_prli_options; 3232 if (inot->in_flags & IN24XX_FLAG_PN_NN_VALID) 3233 wwnn = be64dec(&ptr[IN24XX_PRLI_WWNN_OFF]); 3234 wwpn = be64dec(&ptr[IN24XX_PRLI_WWPN_OFF]); 3235 isp_add_wwn_entry(isp, chan, wwpn, wwnn, 3236 nphdl, portid, prli_options); 3237 break; 3238 case PDISC: 3239 msg = "PDISC"; 3240 break; 3241 case ADISC: 3242 msg = "ADISC"; 3243 break; 3244 default: 3245 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode); 3246 msg = buf; 3247 break; 3248 } 3249 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) { 3250 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); 3251 break; 3252 } 3253 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, 3254 inot->in_rxid, inot->in_oxid); 3255 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3256 break; 3257 } 3258 3259 case IN24XX_PORT_LOGOUT: 3260 msg = "PORT LOGOUT"; 3261 if (isp_find_pdb_by_handle(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) { 3262 isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid); 3263 } 3264 /* FALLTHROUGH */ 3265 case IN24XX_PORT_CHANGED: 3266 if (msg == NULL) 3267 msg = "PORT CHANGED"; 3268 /* FALLTHROUGH */ 3269 case IN24XX_LIP_RESET: 3270 if (msg == NULL) 3271 msg = "LIP RESET"; 3272 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), msg, inot->in_status_subcode, nphdl); 3273 3274 /* 3275 * All subcodes here are irrelevant. What is relevant 3276 * is that we need to terminate all active commands from 3277 * this initiator (known by N-port handle). 3278 */ 3279 /* XXX IMPLEMENT XXX */ 3280 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3281 break; 3282 3283 case IN24XX_SRR_RCVD: 3284 #ifdef ISP_TARGET_MODE 3285 isp_handle_srr_notify(isp, inot); 3286 break; 3287 #else 3288 if (msg == NULL) 3289 msg = "SRR RCVD"; 3290 /* FALLTHROUGH */ 3291 #endif 3292 case IN24XX_LINK_RESET: 3293 if (msg == NULL) 3294 msg = "LINK RESET"; 3295 case IN24XX_LINK_FAILED: 3296 if (msg == NULL) 3297 msg = "LINK FAILED"; 3298 default: 3299 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), msg); 3300 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3301 break; 3302 } 3303 } 3304 3305 static int 3306 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp) 3307 { 3308 3309 if (isp->isp_state != ISP_RUNSTATE) { 3310 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 3311 return (0); 3312 } 3313 3314 /* 3315 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 3316 */ 3317 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 3318 ct7_entry_t local, *cto = &local; 3319 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 3320 fcportdb_t *lp; 3321 uint32_t sid; 3322 uint16_t nphdl; 3323 3324 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 3325 if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) { 3326 nphdl = lp->handle; 3327 } else { 3328 nphdl = NIL_HANDLE; 3329 } 3330 ISP_MEMZERO(&local, sizeof (local)); 3331 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 3332 cto->ct_header.rqs_entry_count = 1; 3333 cto->ct_nphdl = nphdl; 3334 cto->ct_rxid = aep->at_rxid; 3335 cto->ct_vpidx = mp->nt_channel; 3336 cto->ct_iid_lo = sid; 3337 cto->ct_iid_hi = sid >> 16; 3338 cto->ct_oxid = aep->at_hdr.ox_id; 3339 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 3340 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 3341 return (isp_target_put_entry(isp, &local)); 3342 } 3343 3344 /* 3345 * This case is for a responding to an ABTS frame 3346 */ 3347 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 3348 3349 /* 3350 * Overload nt_need_ack here to mark whether we've terminated the associated command. 3351 */ 3352 if (mp->nt_need_ack) { 3353 uint8_t storage[QENTRY_LEN]; 3354 ct7_entry_t *cto = (ct7_entry_t *) storage; 3355 abts_t *abts = (abts_t *)mp->nt_lreserved; 3356 3357 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 3358 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 3359 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 3360 cto->ct_header.rqs_entry_count = 1; 3361 cto->ct_nphdl = mp->nt_nphdl; 3362 cto->ct_rxid = abts->abts_rxid_task; 3363 cto->ct_iid_lo = mp->nt_sid; 3364 cto->ct_iid_hi = mp->nt_sid >> 16; 3365 cto->ct_oxid = abts->abts_ox_id; 3366 cto->ct_vpidx = mp->nt_channel; 3367 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 3368 if (isp_target_put_entry(isp, cto)) { 3369 return (ENOMEM); 3370 } 3371 mp->nt_need_ack = 0; 3372 } 3373 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 3374 return (ENOMEM); 3375 } else { 3376 return (0); 3377 } 3378 } 3379 3380 /* 3381 * Handle logout cases here 3382 */ 3383 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 3384 isp_del_all_wwn_entries(isp, mp->nt_channel); 3385 } 3386 3387 if (mp->nt_ncode == NT_LOGOUT) { 3388 if (!IS_2100(isp) && IS_FC(isp)) { 3389 isp_del_wwn_entries(isp, mp); 3390 } 3391 } 3392 3393 /* 3394 * General purpose acknowledgement 3395 */ 3396 if (mp->nt_need_ack) { 3397 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 3398 /* 3399 * Don't need to use the guaranteed send because the caller can retry 3400 */ 3401 return (isp_notify_ack(isp, mp->nt_lreserved)); 3402 } 3403 return (0); 3404 } 3405 3406 /* 3407 * Handle task management functions. 3408 * 3409 * We show up here with a notify structure filled out. 3410 * 3411 * The nt_lreserved tag points to the original queue entry 3412 */ 3413 static void 3414 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 3415 { 3416 tstate_t *tptr; 3417 fcportdb_t *lp; 3418 struct ccb_immediate_notify *inot; 3419 inot_private_data_t *ntp = NULL; 3420 lun_id_t lun; 3421 3422 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode, 3423 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 3424 /* 3425 * NB: This assignment is necessary because of tricky type conversion. 3426 * XXX: This is tricky and I need to check this. If the lun isn't known 3427 * XXX: for the task management function, it does not of necessity follow 3428 * XXX: that it should go up stream to the wildcard listener. 3429 */ 3430 if (notify->nt_lun == LUN_ANY) { 3431 lun = CAM_LUN_WILDCARD; 3432 } else { 3433 lun = notify->nt_lun; 3434 } 3435 tptr = get_lun_statep(isp, notify->nt_channel, lun); 3436 if (tptr == NULL) { 3437 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 3438 if (tptr == NULL) { 3439 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 3440 goto bad; 3441 } 3442 } 3443 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 3444 if (inot == NULL) { 3445 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 3446 goto bad; 3447 } 3448 3449 if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 3450 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 3451 inot->initiator_id = CAM_TARGET_WILDCARD; 3452 } else { 3453 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 3454 } 3455 inot->seq_id = notify->nt_tagval; 3456 inot->tag_id = notify->nt_tagval >> 32; 3457 3458 switch (notify->nt_ncode) { 3459 case NT_ABORT_TASK: 3460 isp_target_mark_aborted_early(isp, tptr, inot->tag_id); 3461 inot->arg = MSG_ABORT_TASK; 3462 break; 3463 case NT_ABORT_TASK_SET: 3464 isp_target_mark_aborted_early(isp, tptr, TAG_ANY); 3465 inot->arg = MSG_ABORT_TASK_SET; 3466 break; 3467 case NT_CLEAR_ACA: 3468 inot->arg = MSG_CLEAR_ACA; 3469 break; 3470 case NT_CLEAR_TASK_SET: 3471 inot->arg = MSG_CLEAR_TASK_SET; 3472 break; 3473 case NT_LUN_RESET: 3474 inot->arg = MSG_LOGICAL_UNIT_RESET; 3475 break; 3476 case NT_TARGET_RESET: 3477 inot->arg = MSG_TARGET_RESET; 3478 break; 3479 case NT_QUERY_TASK_SET: 3480 inot->arg = MSG_QUERY_TASK_SET; 3481 break; 3482 case NT_QUERY_ASYNC_EVENT: 3483 inot->arg = MSG_QUERY_ASYNC_EVENT; 3484 break; 3485 default: 3486 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); 3487 goto bad; 3488 } 3489 3490 ntp = isp_get_ntpd(isp, tptr); 3491 if (ntp == NULL) { 3492 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 3493 goto bad; 3494 } 3495 ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t)); 3496 if (notify->nt_lreserved) { 3497 ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN); 3498 ntp->rd.nt.nt_lreserved = &ntp->rd.data; 3499 } 3500 ntp->rd.seq_id = notify->nt_tagval; 3501 ntp->rd.tag_id = notify->nt_tagval >> 32; 3502 3503 tptr->inot_count--; 3504 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 3505 rls_lun_statep(isp, tptr); 3506 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count); 3507 inot->ccb_h.status = CAM_MESSAGE_RECV; 3508 xpt_done((union ccb *)inot); 3509 return; 3510 bad: 3511 if (tptr) { 3512 rls_lun_statep(isp, tptr); 3513 } 3514 if (notify->nt_need_ack && notify->nt_lreserved) { 3515 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 3516 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 3517 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 3518 } 3519 } else { 3520 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 3521 } 3522 } 3523 } 3524 3525 /* 3526 * Find the associated private data and mark it as dead so 3527 * we don't try to work on it any further. 3528 */ 3529 static void 3530 isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb) 3531 { 3532 tstate_t *tptr; 3533 atio_private_data_t *atp; 3534 union ccb *accb = ccb->cab.abort_ccb; 3535 3536 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 3537 if (tptr == NULL) { 3538 tptr = get_lun_statep(isp, XS_CHANNEL(accb), CAM_LUN_WILDCARD); 3539 if (tptr == NULL) { 3540 ccb->ccb_h.status = CAM_REQ_INVALID; 3541 return; 3542 } 3543 } 3544 3545 atp = isp_find_atpd(isp, tptr, accb->atio.tag_id); 3546 if (atp == NULL) { 3547 ccb->ccb_h.status = CAM_REQ_INVALID; 3548 } else { 3549 atp->dead = 1; 3550 ccb->ccb_h.status = CAM_REQ_CMP; 3551 } 3552 rls_lun_statep(isp, tptr); 3553 } 3554 3555 static void 3556 isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id) 3557 { 3558 atio_private_data_t *atp; 3559 inot_private_data_t *restart_queue = tptr->restart_queue; 3560 3561 /* 3562 * First, clean any commands pending restart 3563 */ 3564 tptr->restart_queue = NULL; 3565 while (restart_queue) { 3566 uint32_t this_tag_id; 3567 inot_private_data_t *ntp = restart_queue; 3568 3569 restart_queue = ntp->rd.nt.nt_hba; 3570 3571 if (IS_24XX(isp)) { 3572 this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid; 3573 } else { 3574 this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid; 3575 } 3576 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 3577 isp_put_ntpd(isp, tptr, ntp); 3578 } else { 3579 ntp->rd.nt.nt_hba = tptr->restart_queue; 3580 tptr->restart_queue = ntp; 3581 } 3582 } 3583 3584 /* 3585 * Now mark other ones dead as well. 3586 */ 3587 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) { 3588 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) { 3589 atp->dead = 1; 3590 } 3591 } 3592 } 3593 #endif 3594 3595 static void 3596 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 3597 { 3598 struct cam_sim *sim; 3599 int bus, tgt; 3600 ispsoftc_t *isp; 3601 3602 sim = (struct cam_sim *)cbarg; 3603 isp = (ispsoftc_t *) cam_sim_softc(sim); 3604 bus = cam_sim_bus(sim); 3605 tgt = xpt_path_target_id(path); 3606 3607 switch (code) { 3608 case AC_LOST_DEVICE: 3609 if (IS_SCSI(isp)) { 3610 uint16_t oflags, nflags; 3611 sdparam *sdp = SDPARAM(isp, bus); 3612 3613 if (tgt >= 0) { 3614 nflags = sdp->isp_devparam[tgt].nvrm_flags; 3615 #ifndef ISP_TARGET_MODE 3616 nflags &= DPARM_SAFE_DFLT; 3617 if (isp->isp_loaded_fw) { 3618 nflags |= DPARM_NARROW | DPARM_ASYNC; 3619 } 3620 #else 3621 nflags = DPARM_DEFAULT; 3622 #endif 3623 oflags = sdp->isp_devparam[tgt].goal_flags; 3624 sdp->isp_devparam[tgt].goal_flags = nflags; 3625 sdp->isp_devparam[tgt].dev_update = 1; 3626 sdp->update = 1; 3627 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 3628 sdp->isp_devparam[tgt].goal_flags = oflags; 3629 } 3630 } 3631 break; 3632 default: 3633 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 3634 break; 3635 } 3636 } 3637 3638 static void 3639 isp_poll(struct cam_sim *sim) 3640 { 3641 ispsoftc_t *isp = cam_sim_softc(sim); 3642 uint16_t isr, sema, info; 3643 3644 if (ISP_READ_ISR(isp, &isr, &sema, &info)) 3645 isp_intr(isp, isr, sema, info); 3646 } 3647 3648 3649 static void 3650 isp_watchdog(void *arg) 3651 { 3652 struct ccb_scsiio *xs = arg; 3653 ispsoftc_t *isp; 3654 uint32_t ohandle = ISP_HANDLE_FREE, handle; 3655 3656 isp = XS_ISP(xs); 3657 3658 handle = isp_find_handle(isp, xs); 3659 3660 /* 3661 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 3662 */ 3663 if (handle != ISP_HANDLE_FREE) { 3664 uint16_t isr, sema, info; 3665 if (ISP_READ_ISR(isp, &isr, &sema, &info) != 0) 3666 isp_intr(isp, isr, sema, info); 3667 ohandle = handle; 3668 handle = isp_find_handle(isp, xs); 3669 } 3670 if (handle != ISP_HANDLE_FREE) { 3671 /* 3672 * Try and make sure the command is really dead before 3673 * we release the handle (and DMA resources) for reuse. 3674 * 3675 * If we are successful in aborting the command then 3676 * we're done here because we'll get the command returned 3677 * back separately. 3678 */ 3679 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 3680 return; 3681 } 3682 3683 /* 3684 * Note that after calling the above, the command may in 3685 * fact have been completed. 3686 */ 3687 xs = isp_find_xs(isp, handle); 3688 3689 /* 3690 * If the command no longer exists, then we won't 3691 * be able to find the xs again with this handle. 3692 */ 3693 if (xs == NULL) { 3694 return; 3695 } 3696 3697 /* 3698 * After this point, the command is really dead. 3699 */ 3700 if (XS_XFRLEN(xs)) { 3701 ISP_DMAFREE(isp, xs, handle); 3702 } 3703 isp_destroy_handle(isp, handle); 3704 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 3705 xs->ccb_h.status &= ~CAM_STATUS_MASK; 3706 xs->ccb_h.status |= CAM_CMD_TIMEOUT; 3707 isp_prt_endcmd(isp, xs); 3708 isp_done(xs); 3709 } else { 3710 if (ohandle != ISP_HANDLE_FREE) { 3711 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 3712 } else { 3713 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 3714 } 3715 } 3716 } 3717 3718 static void 3719 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 3720 { 3721 union ccb *ccb; 3722 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3723 3724 /* 3725 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 3726 */ 3727 ccb = xpt_alloc_ccb_nowait(); 3728 if (ccb == NULL) { 3729 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 3730 return; 3731 } 3732 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 3733 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 3734 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 3735 xpt_free_ccb(ccb); 3736 return; 3737 } 3738 xpt_rescan(ccb); 3739 } 3740 3741 static void 3742 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 3743 { 3744 struct cam_path *tp; 3745 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3746 3747 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 3748 xpt_async(AC_LOST_DEVICE, tp, NULL); 3749 xpt_free_path(tp); 3750 } 3751 } 3752 3753 /* 3754 * Gone Device Timer Function- when we have decided that a device has gone 3755 * away, we wait a specific period of time prior to telling the OS it has 3756 * gone away. 3757 * 3758 * This timer function fires once a second and then scans the port database 3759 * for devices that are marked dead but still have a virtual target assigned. 3760 * We decrement a counter for that port database entry, and when it hits zero, 3761 * we tell the OS the device has gone away. 3762 */ 3763 static void 3764 isp_gdt(void *arg) 3765 { 3766 struct isp_fc *fc = arg; 3767 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 3768 } 3769 3770 static void 3771 isp_gdt_task(void *arg, int pending) 3772 { 3773 struct isp_fc *fc = arg; 3774 ispsoftc_t *isp = fc->isp; 3775 int chan = fc - isp->isp_osinfo.pc.fc; 3776 fcportdb_t *lp; 3777 struct ac_contract ac; 3778 struct ac_device_changed *adc; 3779 int dbidx, more_to_do = 0; 3780 3781 ISP_LOCK(isp); 3782 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 3783 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 3784 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 3785 3786 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 3787 continue; 3788 } 3789 if (lp->gone_timer != 0) { 3790 lp->gone_timer -= 1; 3791 more_to_do++; 3792 continue; 3793 } 3794 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 3795 if (lp->is_target) { 3796 lp->is_target = 0; 3797 isp_make_gone(isp, lp, chan, dbidx); 3798 } 3799 if (lp->is_initiator) { 3800 lp->is_initiator = 0; 3801 ac.contract_number = AC_CONTRACT_DEV_CHG; 3802 adc = (struct ac_device_changed *) ac.contract_data; 3803 adc->wwpn = lp->port_wwn; 3804 adc->port = lp->portid; 3805 adc->target = dbidx; 3806 adc->arrived = 0; 3807 xpt_async(AC_CONTRACT, fc->path, &ac); 3808 } 3809 lp->state = FC_PORTDB_STATE_NIL; 3810 } 3811 if (fc->ready) { 3812 if (more_to_do) { 3813 callout_reset(&fc->gdt, hz, isp_gdt, fc); 3814 } else { 3815 callout_deactivate(&fc->gdt); 3816 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 3817 } 3818 } 3819 ISP_UNLOCK(isp); 3820 } 3821 3822 /* 3823 * Loop Down Timer Function- when loop goes down, a timer is started and 3824 * and after it expires we come here and take all probational devices that 3825 * the OS knows about and the tell the OS that they've gone away. 3826 * 3827 * We don't clear the devices out of our port database because, when loop 3828 * come back up, we have to do some actual cleanup with the chip at that 3829 * point (implicit PLOGO, e.g., to get the chip's port database state right). 3830 */ 3831 static void 3832 isp_ldt(void *arg) 3833 { 3834 struct isp_fc *fc = arg; 3835 taskqueue_enqueue(taskqueue_thread, &fc->ltask); 3836 } 3837 3838 static void 3839 isp_ldt_task(void *arg, int pending) 3840 { 3841 struct isp_fc *fc = arg; 3842 ispsoftc_t *isp = fc->isp; 3843 int chan = fc - isp->isp_osinfo.pc.fc; 3844 fcportdb_t *lp; 3845 struct ac_contract ac; 3846 struct ac_device_changed *adc; 3847 int dbidx, i; 3848 3849 ISP_LOCK(isp); 3850 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_uptime); 3851 callout_deactivate(&fc->ldt); 3852 3853 /* 3854 * Notify to the OS all targets who we now consider have departed. 3855 */ 3856 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 3857 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 3858 3859 if (lp->state == FC_PORTDB_STATE_NIL) 3860 continue; 3861 3862 /* 3863 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 3864 */ 3865 for (i = 0; i < isp->isp_maxcmds; i++) { 3866 struct ccb_scsiio *xs; 3867 3868 if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) { 3869 continue; 3870 } 3871 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 3872 continue; 3873 } 3874 if (dbidx != XS_TGT(xs)) { 3875 continue; 3876 } 3877 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 3878 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 3879 (uintmax_t)XS_LUN(xs)); 3880 } 3881 3882 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 3883 if (lp->is_target) { 3884 lp->is_target = 0; 3885 isp_make_gone(isp, lp, chan, dbidx); 3886 } 3887 if (lp->is_initiator) { 3888 lp->is_initiator = 0; 3889 ac.contract_number = AC_CONTRACT_DEV_CHG; 3890 adc = (struct ac_device_changed *) ac.contract_data; 3891 adc->wwpn = lp->port_wwn; 3892 adc->port = lp->portid; 3893 adc->target = dbidx; 3894 adc->arrived = 0; 3895 xpt_async(AC_CONTRACT, fc->path, &ac); 3896 } 3897 } 3898 3899 isp_unfreeze_loopdown(isp, chan); 3900 /* 3901 * The loop down timer has expired. Wake up the kthread 3902 * to notice that fact (or make it false). 3903 */ 3904 fc->loop_dead = 1; 3905 fc->loop_down_time = fc->loop_down_limit+1; 3906 wakeup(fc); 3907 ISP_UNLOCK(isp); 3908 } 3909 3910 static void 3911 isp_kthread(void *arg) 3912 { 3913 struct isp_fc *fc = arg; 3914 ispsoftc_t *isp = fc->isp; 3915 int chan = fc - isp->isp_osinfo.pc.fc; 3916 int slp = 0; 3917 3918 mtx_lock(&isp->isp_osinfo.lock); 3919 3920 while (isp->isp_osinfo.is_exiting == 0) { 3921 int lb, lim; 3922 3923 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan); 3924 lb = isp_fc_runstate(isp, chan, 250000); 3925 3926 /* 3927 * Our action is different based upon whether we're supporting 3928 * Initiator mode or not. If we are, we might freeze the simq 3929 * when loop is down and set all sorts of different delays to 3930 * check again. 3931 * 3932 * If not, we simply just wait for loop to come up. 3933 */ 3934 if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) { 3935 /* 3936 * Increment loop down time by the last sleep interval 3937 */ 3938 fc->loop_down_time += slp; 3939 3940 if (lb < 0) { 3941 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time); 3942 } else { 3943 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); 3944 } 3945 3946 /* 3947 * If we've never seen loop up and we've waited longer 3948 * than quickboot time, or we've seen loop up but we've 3949 * waited longer than loop_down_limit, give up and go 3950 * to sleep until loop comes up. 3951 */ 3952 if (FCPARAM(isp, chan)->loop_seen_once == 0) { 3953 lim = isp_quickboot_time; 3954 } else { 3955 lim = fc->loop_down_limit; 3956 } 3957 if (fc->loop_down_time >= lim) { 3958 isp_freeze_loopdown(isp, chan, "loop limit hit"); 3959 slp = 0; 3960 } else if (fc->loop_down_time < 10) { 3961 slp = 1; 3962 } else if (fc->loop_down_time < 30) { 3963 slp = 5; 3964 } else if (fc->loop_down_time < 60) { 3965 slp = 10; 3966 } else if (fc->loop_down_time < 120) { 3967 slp = 20; 3968 } else { 3969 slp = 30; 3970 } 3971 3972 } else if (lb) { 3973 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan); 3974 fc->loop_down_time += slp; 3975 if (fc->loop_down_time > 300) 3976 slp = 0; 3977 else 3978 slp = 60; 3979 } else { 3980 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan); 3981 fc->loop_down_time = 0; 3982 slp = 0; 3983 } 3984 3985 3986 /* 3987 * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it 3988 * now so that CAM can start sending us commands. 3989 * 3990 * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again 3991 * or kill the commands, as appropriate. 3992 */ 3993 3994 if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) { 3995 isp_unfreeze_loopdown(isp, chan); 3996 } 3997 3998 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp); 3999 4000 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz); 4001 4002 /* 4003 * If slp is zero, we're waking up for the first time after 4004 * things have been okay. In this case, we set a deferral state 4005 * for all commands and delay hysteresis seconds before starting 4006 * the FC state evaluation. This gives the loop/fabric a chance 4007 * to settle. 4008 */ 4009 if (slp == 0 && fc->hysteresis) { 4010 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz); 4011 mtx_unlock(&isp->isp_osinfo.lock); 4012 pause("ispt", fc->hysteresis * hz); 4013 mtx_lock(&isp->isp_osinfo.lock); 4014 } 4015 } 4016 fc->num_threads -= 1; 4017 mtx_unlock(&isp->isp_osinfo.lock); 4018 kthread_exit(); 4019 } 4020 4021 static void 4022 isp_action(struct cam_sim *sim, union ccb *ccb) 4023 { 4024 int bus, tgt, ts, error, lim; 4025 ispsoftc_t *isp; 4026 struct ccb_trans_settings *cts; 4027 4028 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 4029 4030 isp = (ispsoftc_t *)cam_sim_softc(sim); 4031 mtx_assert(&isp->isp_lock, MA_OWNED); 4032 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 4033 ISP_PCMD(ccb) = NULL; 4034 4035 switch (ccb->ccb_h.func_code) { 4036 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 4037 bus = XS_CHANNEL(ccb); 4038 /* 4039 * Do a couple of preliminary checks... 4040 */ 4041 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 4042 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 4043 ccb->ccb_h.status = CAM_REQ_INVALID; 4044 isp_done((struct ccb_scsiio *) ccb); 4045 break; 4046 } 4047 } 4048 ccb->csio.req_map = NULL; 4049 #ifdef DIAGNOSTIC 4050 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 4051 xpt_print(ccb->ccb_h.path, "invalid target\n"); 4052 ccb->ccb_h.status = CAM_PATH_INVALID; 4053 } else if (ISP_MAX_LUNS(isp) > 0 && 4054 ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) { 4055 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 4056 ccb->ccb_h.status = CAM_PATH_INVALID; 4057 } 4058 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 4059 xpt_done(ccb); 4060 break; 4061 } 4062 #endif 4063 ccb->csio.scsi_status = SCSI_STATUS_OK; 4064 if (isp_get_pcmd(isp, ccb)) { 4065 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 4066 cam_freeze_devq(ccb->ccb_h.path); 4067 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 4068 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4069 xpt_done(ccb); 4070 break; 4071 } 4072 error = isp_start((XS_T *) ccb); 4073 switch (error) { 4074 case CMD_QUEUED: 4075 ccb->ccb_h.status |= CAM_SIM_QUEUED; 4076 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) { 4077 break; 4078 } 4079 ts = ccb->ccb_h.timeout; 4080 if (ts == CAM_TIME_DEFAULT) { 4081 ts = 60*1000; 4082 } 4083 ts = isp_mstohz(ts); 4084 callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb); 4085 break; 4086 case CMD_RQLATER: 4087 /* 4088 * We get this result for FC devices if the loop state isn't ready yet 4089 * or if the device in question has gone zombie on us. 4090 * 4091 * If we've never seen Loop UP at all, we requeue this request and wait 4092 * for the initial loop up delay to expire. 4093 */ 4094 lim = ISP_FC_PC(isp, bus)->loop_down_limit; 4095 if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) { 4096 if (FCPARAM(isp, bus)->loop_seen_once == 0) { 4097 isp_prt(isp, ISP_LOGDEBUG0, 4098 "%d.%jx loop not seen yet @ %lu", 4099 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb), 4100 (unsigned long) time_uptime); 4101 } else { 4102 isp_prt(isp, ISP_LOGDEBUG0, 4103 "%d.%jx downtime (%d) > lim (%d)", 4104 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb), 4105 ISP_FC_PC(isp, bus)->loop_down_time, 4106 lim); 4107 } 4108 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 4109 isp_done((struct ccb_scsiio *) ccb); 4110 break; 4111 } 4112 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 4113 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 4114 cam_freeze_devq(ccb->ccb_h.path); 4115 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 4116 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4117 isp_free_pcmd(isp, ccb); 4118 xpt_done(ccb); 4119 break; 4120 case CMD_EAGAIN: 4121 isp_free_pcmd(isp, ccb); 4122 cam_freeze_devq(ccb->ccb_h.path); 4123 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 4124 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4125 xpt_done(ccb); 4126 break; 4127 case CMD_COMPLETE: 4128 isp_done((struct ccb_scsiio *) ccb); 4129 break; 4130 default: 4131 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 4132 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4133 isp_free_pcmd(isp, ccb); 4134 xpt_done(ccb); 4135 } 4136 break; 4137 4138 #ifdef ISP_TARGET_MODE 4139 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 4140 if (ccb->cel.enable) { 4141 isp_enable_lun(isp, ccb); 4142 } else { 4143 isp_disable_lun(isp, ccb); 4144 } 4145 break; 4146 case XPT_IMMED_NOTIFY: 4147 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 4148 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 4149 { 4150 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 4151 if (tptr == NULL) { 4152 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD); 4153 } 4154 if (tptr == NULL) { 4155 const char *str; 4156 uint32_t tag; 4157 4158 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 4159 str = "XPT_IMMEDIATE_NOTIFY"; 4160 tag = ccb->cin1.seq_id; 4161 } else { 4162 tag = ccb->atio.tag_id; 4163 str = "XPT_ACCEPT_TARGET_IO"; 4164 } 4165 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str); 4166 dump_tstates(isp, XS_CHANNEL(ccb)); 4167 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 4168 break; 4169 } 4170 ccb->ccb_h.spriv_field0 = 0; 4171 ccb->ccb_h.spriv_ptr1 = isp; 4172 4173 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 4174 if (ccb->atio.tag_id) { 4175 atio_private_data_t *atp = isp_find_atpd(isp, tptr, ccb->atio.tag_id); 4176 if (atp) { 4177 isp_put_atpd(isp, tptr, atp); 4178 } 4179 } 4180 tptr->atio_count++; 4181 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 4182 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n", 4183 ccb->atio.tag_id, tptr->atio_count); 4184 ccb->atio.tag_id = 0; 4185 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 4186 if (ccb->cin1.tag_id) { 4187 inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id); 4188 if (ntp) { 4189 isp_put_ntpd(isp, tptr, ntp); 4190 } 4191 } 4192 tptr->inot_count++; 4193 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 4194 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n", 4195 ccb->cin1.seq_id, tptr->inot_count); 4196 ccb->cin1.seq_id = 0; 4197 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 4198 tptr->inot_count++; 4199 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 4200 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n", 4201 ccb->cin1.seq_id, tptr->inot_count); 4202 ccb->cin1.seq_id = 0; 4203 } 4204 rls_lun_statep(isp, tptr); 4205 ccb->ccb_h.status = CAM_REQ_INPROG; 4206 break; 4207 } 4208 case XPT_NOTIFY_ACK: 4209 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 4210 break; 4211 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 4212 { 4213 tstate_t *tptr; 4214 inot_private_data_t *ntp; 4215 4216 /* 4217 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 4218 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 4219 */ 4220 /* 4221 * All the relevant path information is in the associated immediate notify 4222 */ 4223 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); 4224 ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr); 4225 if (ntp == NULL) { 4226 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__, 4227 ccb->cna2.tag_id, ccb->cna2.seq_id); 4228 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 4229 xpt_done(ccb); 4230 break; 4231 } 4232 if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) { 4233 rls_lun_statep(isp, tptr); 4234 cam_freeze_devq(ccb->ccb_h.path); 4235 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 4236 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 4237 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 4238 break; 4239 } 4240 isp_put_ntpd(isp, tptr, ntp); 4241 rls_lun_statep(isp, tptr); 4242 ccb->ccb_h.status = CAM_REQ_CMP; 4243 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); 4244 xpt_done(ccb); 4245 break; 4246 } 4247 case XPT_CONT_TARGET_IO: 4248 isp_target_start_ctio(isp, ccb, FROM_CAM); 4249 break; 4250 #endif 4251 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 4252 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path)); 4253 tgt = ccb->ccb_h.target_id; 4254 tgt |= (bus << 16); 4255 4256 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 4257 if (error) { 4258 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 4259 } else { 4260 /* 4261 * If we have a FC device, reset the Command 4262 * Reference Number, because the target will expect 4263 * that we re-start the CRN at 1 after a reset. 4264 */ 4265 if (IS_FC(isp)) 4266 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 4267 4268 ccb->ccb_h.status = CAM_REQ_CMP; 4269 } 4270 xpt_done(ccb); 4271 break; 4272 case XPT_ABORT: /* Abort the specified CCB */ 4273 { 4274 union ccb *accb = ccb->cab.abort_ccb; 4275 switch (accb->ccb_h.func_code) { 4276 #ifdef ISP_TARGET_MODE 4277 case XPT_ACCEPT_TARGET_IO: 4278 isp_target_mark_aborted(isp, ccb); 4279 break; 4280 #endif 4281 case XPT_SCSI_IO: 4282 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 4283 if (error) { 4284 ccb->ccb_h.status = CAM_UA_ABORT; 4285 } else { 4286 ccb->ccb_h.status = CAM_REQ_CMP; 4287 } 4288 break; 4289 default: 4290 ccb->ccb_h.status = CAM_REQ_INVALID; 4291 break; 4292 } 4293 /* 4294 * This is not a queued CCB, so the caller expects it to be 4295 * complete when control is returned. 4296 */ 4297 break; 4298 } 4299 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 4300 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 4301 cts = &ccb->cts; 4302 if (!IS_CURRENT_SETTINGS(cts)) { 4303 ccb->ccb_h.status = CAM_REQ_INVALID; 4304 xpt_done(ccb); 4305 break; 4306 } 4307 tgt = cts->ccb_h.target_id; 4308 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 4309 if (IS_SCSI(isp)) { 4310 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 4311 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 4312 sdparam *sdp = SDPARAM(isp, bus); 4313 uint16_t *dptr; 4314 4315 if (spi->valid == 0 && scsi->valid == 0) { 4316 ccb->ccb_h.status = CAM_REQ_CMP; 4317 xpt_done(ccb); 4318 break; 4319 } 4320 4321 /* 4322 * We always update (internally) from goal_flags 4323 * so any request to change settings just gets 4324 * vectored to that location. 4325 */ 4326 dptr = &sdp->isp_devparam[tgt].goal_flags; 4327 4328 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 4329 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 4330 *dptr |= DPARM_DISC; 4331 else 4332 *dptr &= ~DPARM_DISC; 4333 } 4334 4335 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 4336 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 4337 *dptr |= DPARM_TQING; 4338 else 4339 *dptr &= ~DPARM_TQING; 4340 } 4341 4342 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 4343 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 4344 *dptr |= DPARM_WIDE; 4345 else 4346 *dptr &= ~DPARM_WIDE; 4347 } 4348 4349 /* 4350 * XXX: FIX ME 4351 */ 4352 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 4353 *dptr |= DPARM_SYNC; 4354 /* 4355 * XXX: CHECK FOR LEGALITY 4356 */ 4357 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 4358 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 4359 } else { 4360 *dptr &= ~DPARM_SYNC; 4361 } 4362 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, 4363 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 4364 sdp->isp_devparam[tgt].dev_update = 1; 4365 sdp->update = 1; 4366 } 4367 ccb->ccb_h.status = CAM_REQ_CMP; 4368 xpt_done(ccb); 4369 break; 4370 case XPT_GET_TRAN_SETTINGS: 4371 cts = &ccb->cts; 4372 tgt = cts->ccb_h.target_id; 4373 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 4374 if (IS_FC(isp)) { 4375 fcparam *fcp = FCPARAM(isp, bus); 4376 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 4377 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 4378 4379 cts->protocol = PROTO_SCSI; 4380 cts->protocol_version = SCSI_REV_2; 4381 cts->transport = XPORT_FC; 4382 cts->transport_version = 0; 4383 4384 scsi->valid = CTS_SCSI_VALID_TQ; 4385 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 4386 fc->valid = CTS_FC_VALID_SPEED; 4387 fc->bitrate = 100000; 4388 fc->bitrate *= fcp->isp_gbspeed; 4389 if (tgt < MAX_FC_TARG) { 4390 fcportdb_t *lp = &fcp->portdb[tgt]; 4391 fc->wwnn = lp->node_wwn; 4392 fc->wwpn = lp->port_wwn; 4393 fc->port = lp->portid; 4394 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 4395 } 4396 } else { 4397 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 4398 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 4399 sdparam *sdp = SDPARAM(isp, bus); 4400 uint16_t dval, pval, oval; 4401 4402 if (IS_CURRENT_SETTINGS(cts)) { 4403 sdp->isp_devparam[tgt].dev_refresh = 1; 4404 sdp->update = 1; 4405 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 4406 dval = sdp->isp_devparam[tgt].actv_flags; 4407 oval = sdp->isp_devparam[tgt].actv_offset; 4408 pval = sdp->isp_devparam[tgt].actv_period; 4409 } else { 4410 dval = sdp->isp_devparam[tgt].nvrm_flags; 4411 oval = sdp->isp_devparam[tgt].nvrm_offset; 4412 pval = sdp->isp_devparam[tgt].nvrm_period; 4413 } 4414 4415 cts->protocol = PROTO_SCSI; 4416 cts->protocol_version = SCSI_REV_2; 4417 cts->transport = XPORT_SPI; 4418 cts->transport_version = 2; 4419 4420 spi->valid = 0; 4421 scsi->valid = 0; 4422 spi->flags = 0; 4423 scsi->flags = 0; 4424 if (dval & DPARM_DISC) { 4425 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 4426 } 4427 if ((dval & DPARM_SYNC) && oval && pval) { 4428 spi->sync_offset = oval; 4429 spi->sync_period = pval; 4430 } else { 4431 spi->sync_offset = 0; 4432 spi->sync_period = 0; 4433 } 4434 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 4435 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 4436 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 4437 if (dval & DPARM_WIDE) { 4438 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 4439 } else { 4440 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 4441 } 4442 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 4443 scsi->valid = CTS_SCSI_VALID_TQ; 4444 if (dval & DPARM_TQING) { 4445 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 4446 } 4447 spi->valid |= CTS_SPI_VALID_DISC; 4448 } 4449 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 4450 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval); 4451 } 4452 ccb->ccb_h.status = CAM_REQ_CMP; 4453 xpt_done(ccb); 4454 break; 4455 4456 case XPT_CALC_GEOMETRY: 4457 cam_calc_geometry(&ccb->ccg, 1); 4458 xpt_done(ccb); 4459 break; 4460 4461 case XPT_RESET_BUS: /* Reset the specified bus */ 4462 bus = cam_sim_bus(sim); 4463 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 4464 if (error) { 4465 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 4466 xpt_done(ccb); 4467 break; 4468 } 4469 if (bootverbose) { 4470 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 4471 } 4472 if (IS_FC(isp)) { 4473 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 4474 } else { 4475 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 4476 } 4477 ccb->ccb_h.status = CAM_REQ_CMP; 4478 xpt_done(ccb); 4479 break; 4480 4481 case XPT_TERM_IO: /* Terminate the I/O process */ 4482 ccb->ccb_h.status = CAM_REQ_INVALID; 4483 xpt_done(ccb); 4484 break; 4485 4486 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 4487 { 4488 struct ccb_sim_knob *kp = &ccb->knob; 4489 fcparam *fcp; 4490 4491 if (!IS_FC(isp)) { 4492 ccb->ccb_h.status = CAM_REQ_INVALID; 4493 xpt_done(ccb); 4494 break; 4495 } 4496 4497 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 4498 fcp = FCPARAM(isp, bus); 4499 4500 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 4501 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 4502 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 4503 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 4504 } 4505 ccb->ccb_h.status = CAM_REQ_CMP; 4506 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 4507 int rchange = 0; 4508 int newrole = 0; 4509 4510 switch (kp->xport_specific.fc.role) { 4511 case KNOB_ROLE_NONE: 4512 if (fcp->role != ISP_ROLE_NONE) { 4513 rchange = 1; 4514 newrole = ISP_ROLE_NONE; 4515 } 4516 break; 4517 case KNOB_ROLE_TARGET: 4518 if (fcp->role != ISP_ROLE_TARGET) { 4519 rchange = 1; 4520 newrole = ISP_ROLE_TARGET; 4521 } 4522 break; 4523 case KNOB_ROLE_INITIATOR: 4524 if (fcp->role != ISP_ROLE_INITIATOR) { 4525 rchange = 1; 4526 newrole = ISP_ROLE_INITIATOR; 4527 } 4528 break; 4529 case KNOB_ROLE_BOTH: 4530 if (fcp->role != ISP_ROLE_BOTH) { 4531 rchange = 1; 4532 newrole = ISP_ROLE_BOTH; 4533 } 4534 break; 4535 } 4536 if (rchange) { 4537 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 4538 #ifdef ISP_TARGET_MODE 4539 ISP_SET_PC(isp, bus, tm_enabled, 0); 4540 ISP_SET_PC(isp, bus, tm_luns_enabled, 0); 4541 #endif 4542 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 4543 bus, newrole) != 0) { 4544 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 4545 xpt_done(ccb); 4546 break; 4547 } 4548 #ifdef ISP_TARGET_MODE 4549 if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) { 4550 /* 4551 * Give the new role a chance to complain and settle 4552 */ 4553 msleep(isp, &isp->isp_lock, PRIBIO, "taking a breather", 2); 4554 ccb->ccb_h.status = isp_enable_deferred_luns(isp, bus); 4555 } 4556 #endif 4557 } 4558 } 4559 xpt_done(ccb); 4560 break; 4561 } 4562 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 4563 { 4564 struct ccb_sim_knob *kp = &ccb->knob; 4565 4566 if (IS_FC(isp)) { 4567 fcparam *fcp; 4568 4569 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 4570 fcp = FCPARAM(isp, bus); 4571 4572 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 4573 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 4574 switch (fcp->role) { 4575 case ISP_ROLE_NONE: 4576 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 4577 break; 4578 case ISP_ROLE_TARGET: 4579 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 4580 break; 4581 case ISP_ROLE_INITIATOR: 4582 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 4583 break; 4584 case ISP_ROLE_BOTH: 4585 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 4586 break; 4587 } 4588 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 4589 ccb->ccb_h.status = CAM_REQ_CMP; 4590 } else { 4591 ccb->ccb_h.status = CAM_REQ_INVALID; 4592 } 4593 xpt_done(ccb); 4594 break; 4595 } 4596 case XPT_PATH_INQ: /* Path routing inquiry */ 4597 { 4598 struct ccb_pathinq *cpi = &ccb->cpi; 4599 4600 cpi->version_num = 1; 4601 #ifdef ISP_TARGET_MODE 4602 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 4603 #else 4604 cpi->target_sprt = 0; 4605 #endif 4606 cpi->hba_eng_cnt = 0; 4607 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 4608 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ? 4609 255 : ISP_MAX_LUNS(isp) - 1; 4610 cpi->bus_id = cam_sim_bus(sim); 4611 if (isp->isp_osinfo.sixtyfourbit) 4612 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 4613 else 4614 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 4615 4616 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path)); 4617 if (IS_FC(isp)) { 4618 fcparam *fcp = FCPARAM(isp, bus); 4619 4620 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 4621 #if __FreeBSD_version >= 1000700 4622 cpi->hba_misc |= PIM_EXTLUNS; 4623 #endif 4624 #if __FreeBSD_version >= 1000039 4625 cpi->hba_misc |= PIM_NOSCAN; 4626 #endif 4627 4628 /* 4629 * Because our loop ID can shift from time to time, 4630 * make our initiator ID out of range of our bus. 4631 */ 4632 cpi->initiator_id = cpi->max_target + 1; 4633 4634 /* 4635 * Set base transfer capabilities for Fibre Channel, for this HBA. 4636 */ 4637 if (IS_25XX(isp)) { 4638 cpi->base_transfer_speed = 8000000; 4639 } else if (IS_24XX(isp)) { 4640 cpi->base_transfer_speed = 4000000; 4641 } else if (IS_23XX(isp)) { 4642 cpi->base_transfer_speed = 2000000; 4643 } else { 4644 cpi->base_transfer_speed = 1000000; 4645 } 4646 cpi->hba_inquiry = PI_TAG_ABLE; 4647 cpi->transport = XPORT_FC; 4648 cpi->transport_version = 0; 4649 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 4650 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 4651 cpi->xport_specific.fc.port = fcp->isp_portid; 4652 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 4653 } else { 4654 sdparam *sdp = SDPARAM(isp, bus); 4655 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 4656 cpi->hba_misc = PIM_UNMAPPED; 4657 cpi->initiator_id = sdp->isp_initiator_id; 4658 cpi->base_transfer_speed = 3300; 4659 cpi->transport = XPORT_SPI; 4660 cpi->transport_version = 2; 4661 } 4662 cpi->protocol = PROTO_SCSI; 4663 cpi->protocol_version = SCSI_REV_2; 4664 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 4665 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 4666 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 4667 cpi->unit_number = cam_sim_unit(sim); 4668 cpi->ccb_h.status = CAM_REQ_CMP; 4669 xpt_done(ccb); 4670 break; 4671 } 4672 default: 4673 ccb->ccb_h.status = CAM_REQ_INVALID; 4674 xpt_done(ccb); 4675 break; 4676 } 4677 } 4678 4679 #define ISPDDB (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB) 4680 4681 void 4682 isp_done(XS_T *sccb) 4683 { 4684 ispsoftc_t *isp = XS_ISP(sccb); 4685 uint32_t status; 4686 4687 if (XS_NOERR(sccb)) 4688 XS_SETERR(sccb, CAM_REQ_CMP); 4689 4690 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 4691 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 4692 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 4693 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 4694 } else { 4695 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 4696 } 4697 } 4698 4699 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4700 status = sccb->ccb_h.status & CAM_STATUS_MASK; 4701 if (status != CAM_REQ_CMP) { 4702 if (status != CAM_SEL_TIMEOUT) 4703 isp_prt(isp, ISP_LOGDEBUG0, 4704 "target %d lun %jx CAM status 0x%x SCSI status 0x%x", 4705 XS_TGT(sccb), (uintmax_t)XS_LUN(sccb), 4706 sccb->ccb_h.status, sccb->scsi_status); 4707 else if ((IS_FC(isp)) 4708 && (XS_TGT(sccb) < MAX_FC_TARG)) { 4709 fcparam *fcp; 4710 4711 fcp = FCPARAM(isp, XS_CHANNEL(sccb)); 4712 fcp->portdb[XS_TGT(sccb)].is_target = 0; 4713 } 4714 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 4715 sccb->ccb_h.status |= CAM_DEV_QFRZN; 4716 xpt_freeze_devq(sccb->ccb_h.path, 1); 4717 } 4718 } 4719 4720 if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 4721 xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status); 4722 } 4723 4724 if (ISP_PCMD(sccb)) { 4725 if (callout_active(&PISP_PCMD(sccb)->wdog)) 4726 callout_stop(&PISP_PCMD(sccb)->wdog); 4727 isp_free_pcmd(isp, (union ccb *) sccb); 4728 } 4729 xpt_done((union ccb *) sccb); 4730 } 4731 4732 void 4733 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 4734 { 4735 int bus; 4736 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 4737 char buf[64]; 4738 char *msg = NULL; 4739 target_id_t tgt; 4740 fcportdb_t *lp; 4741 struct isp_fc *fc; 4742 struct cam_path *tmppath; 4743 struct ac_contract ac; 4744 struct ac_device_changed *adc; 4745 va_list ap; 4746 4747 switch (cmd) { 4748 case ISPASYNC_NEW_TGT_PARAMS: 4749 { 4750 struct ccb_trans_settings_scsi *scsi; 4751 struct ccb_trans_settings_spi *spi; 4752 int flags, tgt; 4753 sdparam *sdp; 4754 struct ccb_trans_settings cts; 4755 4756 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 4757 4758 va_start(ap, cmd); 4759 bus = va_arg(ap, int); 4760 tgt = va_arg(ap, int); 4761 va_end(ap); 4762 sdp = SDPARAM(isp, bus); 4763 4764 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 4765 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 4766 break; 4767 } 4768 flags = sdp->isp_devparam[tgt].actv_flags; 4769 cts.type = CTS_TYPE_CURRENT_SETTINGS; 4770 cts.protocol = PROTO_SCSI; 4771 cts.transport = XPORT_SPI; 4772 4773 scsi = &cts.proto_specific.scsi; 4774 spi = &cts.xport_specific.spi; 4775 4776 if (flags & DPARM_TQING) { 4777 scsi->valid |= CTS_SCSI_VALID_TQ; 4778 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 4779 } 4780 4781 if (flags & DPARM_DISC) { 4782 spi->valid |= CTS_SPI_VALID_DISC; 4783 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 4784 } 4785 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 4786 if (flags & DPARM_WIDE) { 4787 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 4788 } else { 4789 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 4790 } 4791 if (flags & DPARM_SYNC) { 4792 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 4793 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 4794 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 4795 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 4796 } 4797 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); 4798 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 4799 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 4800 xpt_free_path(tmppath); 4801 break; 4802 } 4803 case ISPASYNC_BUS_RESET: 4804 { 4805 va_start(ap, cmd); 4806 bus = va_arg(ap, int); 4807 va_end(ap); 4808 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 4809 if (IS_FC(isp)) { 4810 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 4811 } else { 4812 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 4813 } 4814 break; 4815 } 4816 case ISPASYNC_LIP: 4817 if (msg == NULL) 4818 msg = "LIP Received"; 4819 /* FALLTHROUGH */ 4820 case ISPASYNC_LOOP_RESET: 4821 if (msg == NULL) 4822 msg = "LOOP Reset"; 4823 /* FALLTHROUGH */ 4824 case ISPASYNC_LOOP_DOWN: 4825 { 4826 if (msg == NULL) 4827 msg = "LOOP Down"; 4828 va_start(ap, cmd); 4829 bus = va_arg(ap, int); 4830 va_end(ap); 4831 4832 FCPARAM(isp, bus)->isp_linkstate = 0; 4833 4834 fc = ISP_FC_PC(isp, bus); 4835 if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) { 4836 /* 4837 * We don't do any simq freezing if we are only in target mode 4838 */ 4839 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) { 4840 if (fc->path) { 4841 isp_freeze_loopdown(isp, bus, msg); 4842 } 4843 } 4844 if (!callout_active(&fc->ldt)) { 4845 callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc); 4846 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_uptime); 4847 } 4848 } 4849 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 4850 4851 isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg); 4852 break; 4853 } 4854 case ISPASYNC_LOOP_UP: 4855 va_start(ap, cmd); 4856 bus = va_arg(ap, int); 4857 va_end(ap); 4858 fc = ISP_FC_PC(isp, bus); 4859 /* 4860 * Now we just note that Loop has come up. We don't 4861 * actually do anything because we're waiting for a 4862 * Change Notify before activating the FC cleanup 4863 * thread to look at the state of the loop again. 4864 */ 4865 FCPARAM(isp, bus)->isp_linkstate = 1; 4866 fc->loop_dead = 0; 4867 fc->loop_down_time = 0; 4868 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus); 4869 break; 4870 case ISPASYNC_DEV_ARRIVED: 4871 va_start(ap, cmd); 4872 bus = va_arg(ap, int); 4873 lp = va_arg(ap, fcportdb_t *); 4874 va_end(ap); 4875 fc = ISP_FC_PC(isp, bus); 4876 tgt = FC_PORTDB_TGT(isp, bus, lp); 4877 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 4878 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 4879 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 4880 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 4881 lp->is_target = 1; 4882 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 4883 isp_make_here(isp, lp, bus, tgt); 4884 } 4885 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 4886 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 4887 lp->is_initiator = 1; 4888 ac.contract_number = AC_CONTRACT_DEV_CHG; 4889 adc = (struct ac_device_changed *) ac.contract_data; 4890 adc->wwpn = lp->port_wwn; 4891 adc->port = lp->portid; 4892 adc->target = tgt; 4893 adc->arrived = 1; 4894 xpt_async(AC_CONTRACT, fc->path, &ac); 4895 } 4896 break; 4897 case ISPASYNC_DEV_CHANGED: 4898 va_start(ap, cmd); 4899 bus = va_arg(ap, int); 4900 lp = va_arg(ap, fcportdb_t *); 4901 va_end(ap); 4902 fc = ISP_FC_PC(isp, bus); 4903 tgt = FC_PORTDB_TGT(isp, bus, lp); 4904 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 4905 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 4906 changed: 4907 if (lp->is_target != 4908 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 4909 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 4910 lp->is_target = !lp->is_target; 4911 if (lp->is_target) { 4912 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 4913 isp_make_here(isp, lp, bus, tgt); 4914 } else { 4915 isp_make_gone(isp, lp, bus, tgt); 4916 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 4917 } 4918 } 4919 if (lp->is_initiator != 4920 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 4921 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 4922 lp->is_initiator = !lp->is_initiator; 4923 ac.contract_number = AC_CONTRACT_DEV_CHG; 4924 adc = (struct ac_device_changed *) ac.contract_data; 4925 adc->wwpn = lp->port_wwn; 4926 adc->port = lp->portid; 4927 adc->target = tgt; 4928 adc->arrived = lp->is_initiator; 4929 xpt_async(AC_CONTRACT, fc->path, &ac); 4930 } 4931 break; 4932 case ISPASYNC_DEV_STAYED: 4933 va_start(ap, cmd); 4934 bus = va_arg(ap, int); 4935 lp = va_arg(ap, fcportdb_t *); 4936 va_end(ap); 4937 fc = ISP_FC_PC(isp, bus); 4938 tgt = FC_PORTDB_TGT(isp, bus, lp); 4939 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 4940 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 4941 goto changed; 4942 case ISPASYNC_DEV_GONE: 4943 va_start(ap, cmd); 4944 bus = va_arg(ap, int); 4945 lp = va_arg(ap, fcportdb_t *); 4946 va_end(ap); 4947 fc = ISP_FC_PC(isp, bus); 4948 tgt = FC_PORTDB_TGT(isp, bus, lp); 4949 /* 4950 * If this has a virtual target or initiator set the isp_gdt 4951 * timer running on it to delay its departure. 4952 */ 4953 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 4954 if (lp->is_target || lp->is_initiator) { 4955 lp->state = FC_PORTDB_STATE_ZOMBIE; 4956 lp->gone_timer = fc->gone_device_time; 4957 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 4958 if (fc->ready && !callout_active(&fc->gdt)) { 4959 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); 4960 callout_reset(&fc->gdt, hz, isp_gdt, fc); 4961 } 4962 break; 4963 } 4964 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 4965 break; 4966 case ISPASYNC_CHANGE_NOTIFY: 4967 { 4968 char *msg; 4969 int evt, nphdl, nlstate, reason; 4970 4971 va_start(ap, cmd); 4972 bus = va_arg(ap, int); 4973 evt = va_arg(ap, int); 4974 if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) { 4975 nphdl = va_arg(ap, int); 4976 nlstate = va_arg(ap, int); 4977 reason = va_arg(ap, int); 4978 } else { 4979 nphdl = NIL_HANDLE; 4980 nlstate = reason = 0; 4981 } 4982 va_end(ap); 4983 fc = ISP_FC_PC(isp, bus); 4984 4985 if (evt == ISPASYNC_CHANGE_PDB) { 4986 msg = "Port Database Changed"; 4987 } else if (evt == ISPASYNC_CHANGE_SNS) { 4988 msg = "Name Server Database Changed"; 4989 } else { 4990 msg = "Other Change Notify"; 4991 } 4992 4993 /* 4994 * If the loop down timer is running, cancel it. 4995 */ 4996 if (fc->ready && callout_active(&fc->ldt)) { 4997 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_uptime); 4998 callout_stop(&fc->ldt); 4999 } 5000 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 5001 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) { 5002 isp_freeze_loopdown(isp, bus, msg); 5003 } 5004 wakeup(fc); 5005 break; 5006 } 5007 #ifdef ISP_TARGET_MODE 5008 case ISPASYNC_TARGET_NOTIFY: 5009 { 5010 isp_notify_t *notify; 5011 va_start(ap, cmd); 5012 notify = va_arg(ap, isp_notify_t *); 5013 va_end(ap); 5014 switch (notify->nt_ncode) { 5015 case NT_ABORT_TASK: 5016 case NT_ABORT_TASK_SET: 5017 case NT_CLEAR_ACA: 5018 case NT_CLEAR_TASK_SET: 5019 case NT_LUN_RESET: 5020 case NT_TARGET_RESET: 5021 case NT_QUERY_TASK_SET: 5022 case NT_QUERY_ASYNC_EVENT: 5023 /* 5024 * These are task management functions. 5025 */ 5026 isp_handle_platform_target_tmf(isp, notify); 5027 break; 5028 case NT_BUS_RESET: 5029 case NT_LIP_RESET: 5030 case NT_LINK_UP: 5031 case NT_LINK_DOWN: 5032 case NT_HBA_RESET: 5033 /* 5034 * No action need be taken here. 5035 */ 5036 break; 5037 case NT_GLOBAL_LOGOUT: 5038 case NT_LOGOUT: 5039 /* 5040 * This is device arrival/departure notification 5041 */ 5042 isp_handle_platform_target_notify_ack(isp, notify); 5043 break; 5044 default: 5045 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 5046 isp_handle_platform_target_notify_ack(isp, notify); 5047 break; 5048 } 5049 break; 5050 } 5051 case ISPASYNC_TARGET_NOTIFY_ACK: 5052 { 5053 void *inot; 5054 va_start(ap, cmd); 5055 inot = va_arg(ap, void *); 5056 va_end(ap); 5057 if (isp_notify_ack(isp, inot)) { 5058 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 5059 if (tp) { 5060 tp->isp = isp; 5061 if (inot) { 5062 memcpy(tp->data, inot, sizeof (tp->data)); 5063 tp->not = tp->data; 5064 } else { 5065 tp->not = NULL; 5066 } 5067 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 5068 callout_reset(&tp->timer, 5, 5069 isp_refire_notify_ack, tp); 5070 } else { 5071 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 5072 } 5073 } 5074 break; 5075 } 5076 case ISPASYNC_TARGET_ACTION: 5077 { 5078 isphdr_t *hp; 5079 5080 va_start(ap, cmd); 5081 hp = va_arg(ap, isphdr_t *); 5082 va_end(ap); 5083 switch (hp->rqs_entry_type) { 5084 default: 5085 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type); 5086 break; 5087 case RQSTYPE_NOTIFY: 5088 if (IS_SCSI(isp)) { 5089 isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp); 5090 } else if (IS_24XX(isp)) { 5091 isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp); 5092 } else { 5093 isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp); 5094 } 5095 break; 5096 case RQSTYPE_ATIO: 5097 if (IS_24XX(isp)) { 5098 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 5099 } else { 5100 isp_handle_platform_atio(isp, (at_entry_t *) hp); 5101 } 5102 break; 5103 case RQSTYPE_ATIO2: 5104 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 5105 break; 5106 case RQSTYPE_CTIO7: 5107 case RQSTYPE_CTIO3: 5108 case RQSTYPE_CTIO2: 5109 case RQSTYPE_CTIO: 5110 isp_handle_platform_ctio(isp, hp); 5111 break; 5112 case RQSTYPE_ABTS_RCVD: 5113 { 5114 abts_t *abts = (abts_t *)hp; 5115 isp_notify_t notify, *nt = ¬ify; 5116 tstate_t *tptr; 5117 fcportdb_t *lp; 5118 uint16_t chan; 5119 uint32_t sid, did; 5120 5121 did = (abts->abts_did_hi << 16) | abts->abts_did_lo; 5122 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo; 5123 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 5124 5125 nt->nt_hba = isp; 5126 nt->nt_did = did; 5127 nt->nt_nphdl = abts->abts_nphdl; 5128 nt->nt_sid = sid; 5129 isp_find_chan_by_did(isp, did, &chan); 5130 if (chan == ISP_NOCHAN) { 5131 nt->nt_tgt = TGT_ANY; 5132 } else { 5133 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn; 5134 if (isp_find_pdb_by_handle(isp, chan, abts->abts_nphdl, &lp)) { 5135 nt->nt_wwn = lp->port_wwn; 5136 } else { 5137 nt->nt_wwn = INI_ANY; 5138 } 5139 } 5140 /* 5141 * Try hard to find the lun for this command. 5142 */ 5143 tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task); 5144 if (tptr) { 5145 nt->nt_lun = tptr->ts_lun; 5146 rls_lun_statep(isp, tptr); 5147 } else { 5148 nt->nt_lun = LUN_ANY; 5149 } 5150 nt->nt_need_ack = 1; 5151 nt->nt_tagval = abts->abts_rxid_task; 5152 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32); 5153 if (abts->abts_rxid_task == ISP24XX_NO_TASK) { 5154 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)", 5155 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id); 5156 } else { 5157 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)", 5158 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id); 5159 } 5160 nt->nt_channel = chan; 5161 nt->nt_ncode = NT_ABORT_TASK; 5162 nt->nt_lreserved = hp; 5163 isp_handle_platform_target_tmf(isp, nt); 5164 break; 5165 } 5166 case RQSTYPE_ENABLE_LUN: 5167 case RQSTYPE_MODIFY_LUN: 5168 isp_ledone(isp, (lun_entry_t *) hp); 5169 break; 5170 } 5171 break; 5172 } 5173 #endif 5174 case ISPASYNC_FW_CRASH: 5175 { 5176 uint16_t mbox1, mbox6; 5177 mbox1 = ISP_READ(isp, OUTMAILBOX1); 5178 if (IS_DUALBUS(isp)) { 5179 mbox6 = ISP_READ(isp, OUTMAILBOX6); 5180 } else { 5181 mbox6 = 0; 5182 } 5183 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 5184 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 5185 isp->isp_osinfo.mbox_sleep_ok = 0; 5186 isp_reinit(isp, 1); 5187 isp->isp_osinfo.mbox_sleep_ok = mbox1; 5188 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 5189 break; 5190 } 5191 default: 5192 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 5193 break; 5194 } 5195 } 5196 5197 5198 /* 5199 * Locks are held before coming here. 5200 */ 5201 void 5202 isp_uninit(ispsoftc_t *isp) 5203 { 5204 if (IS_24XX(isp)) { 5205 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET); 5206 } else { 5207 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET); 5208 } 5209 ISP_DISABLE_INTS(isp); 5210 } 5211 5212 /* 5213 * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them 5214 * up from our platform default (defww{p|n}n) and morph them based upon 5215 * channel. 5216 * 5217 * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them 5218 * based upon channel. 5219 */ 5220 5221 uint64_t 5222 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 5223 { 5224 uint64_t seed; 5225 struct isp_fc *fc = ISP_FC_PC(isp, chan); 5226 5227 /* 5228 * If we're asking for a active WWN, the default overrides get 5229 * returned, otherwise the NVRAM value is picked. 5230 * 5231 * If we're asking for a default WWN, we just pick the default override. 5232 */ 5233 if (isactive) { 5234 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 5235 if (seed) { 5236 return (seed); 5237 } 5238 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram; 5239 if (seed) { 5240 return (seed); 5241 } 5242 return (0x400000007F000009ull); 5243 } 5244 5245 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 5246 5247 /* 5248 * For channel zero just return what we have. For either ACTIVE or 5249 * DEFAULT cases, we depend on default override of NVRAM values for 5250 * channel zero. 5251 */ 5252 if (chan == 0) { 5253 return (seed); 5254 } 5255 5256 /* 5257 * For other channels, we are doing one of three things: 5258 * 5259 * 1. If what we have now is non-zero, return it. Otherwise we morph 5260 * values from channel 0. 2. If we're here for a WWPN we synthesize 5261 * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a 5262 * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA. 5263 */ 5264 5265 if (seed) { 5266 return (seed); 5267 } 5268 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn; 5269 if (seed == 0) 5270 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram; 5271 5272 if (((seed >> 60) & 0xf) == 2) { 5273 /* 5274 * The type 2 NAA fields for QLogic cards appear be laid out 5275 * thusly: 5276 * 5277 * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56 5278 * port (1) or node (0) WWN distinguishor bit 48 5279 * physical port on dual-port chips (23XX/24XX) 5280 * 5281 * This is somewhat nutty, particularly since bit 48 is 5282 * irrelevant as they assign separate serial numbers to 5283 * different physical ports anyway. 5284 * 5285 * We'll stick our channel number plus one first into bits 5286 * 57..59 and thence into bits 52..55 which allows for 8 bits 5287 * of channel which is comfortably more than our maximum 5288 * (126) now. 5289 */ 5290 seed &= ~0x0FF0000000000000ULL; 5291 if (iswwnn == 0) { 5292 seed |= ((uint64_t) (chan + 1) & 0xf) << 56; 5293 seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 5294 } 5295 } else { 5296 seed = 0; 5297 } 5298 return (seed); 5299 } 5300 5301 void 5302 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 5303 { 5304 int loc; 5305 char lbuf[200]; 5306 va_list ap; 5307 5308 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 5309 return; 5310 } 5311 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 5312 loc = strlen(lbuf); 5313 va_start(ap, fmt); 5314 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 5315 va_end(ap); 5316 printf("%s\n", lbuf); 5317 } 5318 5319 void 5320 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 5321 { 5322 va_list ap; 5323 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 5324 return; 5325 } 5326 xpt_print_path(xs->ccb_h.path); 5327 va_start(ap, fmt); 5328 vprintf(fmt, ap); 5329 va_end(ap); 5330 printf("\n"); 5331 } 5332 5333 uint64_t 5334 isp_nanotime_sub(struct timespec *b, struct timespec *a) 5335 { 5336 uint64_t elapsed; 5337 struct timespec x = *b; 5338 timespecsub(&x, a); 5339 elapsed = GET_NANOSEC(&x); 5340 if (elapsed == 0) 5341 elapsed++; 5342 return (elapsed); 5343 } 5344 5345 int 5346 isp_mbox_acquire(ispsoftc_t *isp) 5347 { 5348 if (isp->isp_osinfo.mboxbsy) { 5349 return (1); 5350 } else { 5351 isp->isp_osinfo.mboxcmd_done = 0; 5352 isp->isp_osinfo.mboxbsy = 1; 5353 return (0); 5354 } 5355 } 5356 5357 void 5358 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 5359 { 5360 unsigned int usecs = mbp->timeout; 5361 unsigned int max, olim, ilim; 5362 5363 if (usecs == 0) { 5364 usecs = MBCMD_DEFAULT_TIMEOUT; 5365 } 5366 max = isp->isp_mbxwrk0 + 1; 5367 5368 if (isp->isp_osinfo.mbox_sleep_ok) { 5369 unsigned int ms = (usecs + 999) / 1000; 5370 5371 isp->isp_osinfo.mbox_sleep_ok = 0; 5372 isp->isp_osinfo.mbox_sleeping = 1; 5373 for (olim = 0; olim < max; olim++) { 5374 msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms)); 5375 if (isp->isp_osinfo.mboxcmd_done) { 5376 break; 5377 } 5378 } 5379 isp->isp_osinfo.mbox_sleep_ok = 1; 5380 isp->isp_osinfo.mbox_sleeping = 0; 5381 } else { 5382 for (olim = 0; olim < max; olim++) { 5383 for (ilim = 0; ilim < usecs; ilim += 100) { 5384 uint16_t isr, sema, info; 5385 if (isp->isp_osinfo.mboxcmd_done) { 5386 break; 5387 } 5388 if (ISP_READ_ISR(isp, &isr, &sema, &info)) { 5389 isp_intr(isp, isr, sema, info); 5390 if (isp->isp_osinfo.mboxcmd_done) { 5391 break; 5392 } 5393 } 5394 ISP_DELAY(100); 5395 } 5396 if (isp->isp_osinfo.mboxcmd_done) { 5397 break; 5398 } 5399 } 5400 } 5401 if (isp->isp_osinfo.mboxcmd_done == 0) { 5402 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)", 5403 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno); 5404 mbp->param[0] = MBOX_TIMEOUT; 5405 isp->isp_osinfo.mboxcmd_done = 1; 5406 } 5407 } 5408 5409 void 5410 isp_mbox_notify_done(ispsoftc_t *isp) 5411 { 5412 if (isp->isp_osinfo.mbox_sleeping) { 5413 wakeup(&isp->isp_mbxworkp); 5414 } 5415 isp->isp_osinfo.mboxcmd_done = 1; 5416 } 5417 5418 void 5419 isp_mbox_release(ispsoftc_t *isp) 5420 { 5421 isp->isp_osinfo.mboxbsy = 0; 5422 } 5423 5424 int 5425 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 5426 { 5427 int ret = 0; 5428 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 5429 ret = -1; 5430 } else { 5431 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 5432 } 5433 return (ret); 5434 } 5435 5436 int 5437 isp_mstohz(int ms) 5438 { 5439 int hz; 5440 struct timeval t; 5441 t.tv_sec = ms / 1000; 5442 t.tv_usec = (ms % 1000) * 1000; 5443 hz = tvtohz(&t); 5444 if (hz < 0) { 5445 hz = 0x7fffffff; 5446 } 5447 if (hz == 0) { 5448 hz = 1; 5449 } 5450 return (hz); 5451 } 5452 5453 void 5454 isp_platform_intr(void *arg) 5455 { 5456 ispsoftc_t *isp = arg; 5457 uint16_t isr, sema, info; 5458 5459 ISP_LOCK(isp); 5460 isp->isp_intcnt++; 5461 if (ISP_READ_ISR(isp, &isr, &sema, &info)) 5462 isp_intr(isp, isr, sema, info); 5463 else 5464 isp->isp_intbogus++; 5465 ISP_UNLOCK(isp); 5466 } 5467 5468 void 5469 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 5470 { 5471 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 5472 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 5473 } else { 5474 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 5475 } 5476 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 5477 } 5478 5479 /* 5480 * Reset the command reference number for all LUNs on a specific target 5481 * (needed when a target arrives again) or for all targets on a port 5482 * (needed for events like a LIP). 5483 */ 5484 void 5485 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 5486 { 5487 struct isp_fc *fc = ISP_FC_PC(isp, chan); 5488 struct isp_nexus *nxp; 5489 int i; 5490 5491 if (tgt_set == 0) 5492 isp_prt(isp, ISP_LOGDEBUG0, 5493 "Chan %d resetting CRN on all targets", chan); 5494 else 5495 isp_prt(isp, ISP_LOGDEBUG0, 5496 "Chan %d resetting CRN on target %u", chan, tgt); 5497 5498 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 5499 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 5500 if (tgt_set == 0 || tgt == nxp->tgt) 5501 nxp->crnseed = 0; 5502 } 5503 } 5504 } 5505 5506 int 5507 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 5508 { 5509 lun_id_t lun; 5510 uint32_t chan, tgt; 5511 struct isp_fc *fc; 5512 struct isp_nexus *nxp; 5513 int idx; 5514 5515 if (isp->isp_type < ISP_HA_FC_2300) 5516 return (0); 5517 5518 chan = XS_CHANNEL(cmd); 5519 tgt = XS_TGT(cmd); 5520 lun = XS_LUN(cmd); 5521 fc = &isp->isp_osinfo.pc.fc[chan]; 5522 idx = NEXUS_HASH(tgt, lun); 5523 nxp = fc->nexus_hash[idx]; 5524 5525 while (nxp) { 5526 if (nxp->tgt == tgt && nxp->lun == lun) 5527 break; 5528 nxp = nxp->next; 5529 } 5530 if (nxp == NULL) { 5531 nxp = fc->nexus_free_list; 5532 if (nxp == NULL) { 5533 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 5534 if (nxp == NULL) { 5535 return (-1); 5536 } 5537 } else { 5538 fc->nexus_free_list = nxp->next; 5539 } 5540 nxp->tgt = tgt; 5541 nxp->lun = lun; 5542 nxp->next = fc->nexus_hash[idx]; 5543 fc->nexus_hash[idx] = nxp; 5544 } 5545 if (nxp->crnseed == 0) 5546 nxp->crnseed = 1; 5547 PISP_PCMD(cmd)->crn = nxp->crnseed; 5548 *crnp = nxp->crnseed++; 5549 return (0); 5550 } 5551 5552 /* 5553 * We enter with the lock held 5554 */ 5555 void 5556 isp_timer(void *arg) 5557 { 5558 ispsoftc_t *isp = arg; 5559 #ifdef ISP_TARGET_MODE 5560 isp_tmcmd_restart(isp); 5561 #endif 5562 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 5563 } 5564 5565 isp_ecmd_t * 5566 isp_get_ecmd(ispsoftc_t *isp) 5567 { 5568 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 5569 if (ecmd) { 5570 isp->isp_osinfo.ecmd_free = ecmd->next; 5571 } 5572 return (ecmd); 5573 } 5574 5575 void 5576 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 5577 { 5578 ecmd->next = isp->isp_osinfo.ecmd_free; 5579 isp->isp_osinfo.ecmd_free = ecmd; 5580 } 5581