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 int isp_autoconfig = 1; /* automatically attach/detach devices */ 58 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 59 60 static void isp_freeze_loopdown(ispsoftc_t *, int, char *); 61 static d_ioctl_t ispioctl; 62 static void isp_intr_enable(void *); 63 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *); 64 static void isp_poll(struct cam_sim *); 65 static timeout_t isp_watchdog; 66 static timeout_t isp_gdt; 67 static task_fn_t isp_gdt_task; 68 static timeout_t isp_ldt; 69 static task_fn_t isp_ldt_task; 70 static void isp_kthread(void *); 71 static void isp_action(struct cam_sim *, union ccb *); 72 #ifdef ISP_INTERNAL_TARGET 73 static void isp_target_thread_pi(void *); 74 static void isp_target_thread_fc(void *); 75 #endif 76 static int isp_timer_count; 77 static void isp_timer(void *); 78 79 static struct cdevsw isp_cdevsw = { 80 .d_version = D_VERSION, 81 .d_ioctl = ispioctl, 82 .d_name = "isp", 83 }; 84 85 static int 86 isp_role_sysctl(SYSCTL_HANDLER_ARGS) 87 { 88 ispsoftc_t *isp = (ispsoftc_t *)arg1; 89 int chan = arg2; 90 int error, old, value; 91 92 value = FCPARAM(isp, chan)->role; 93 94 error = sysctl_handle_int(oidp, &value, 0, req); 95 if ((error != 0) || (req->newptr == NULL)) 96 return (error); 97 98 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 99 return (EINVAL); 100 101 ISP_LOCK(isp); 102 old = FCPARAM(isp, chan)->role; 103 104 /* We don't allow target mode switch from here. */ 105 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 106 107 /* If nothing has changed -- we are done. */ 108 if (value == old) { 109 ISP_UNLOCK(isp); 110 return (0); 111 } 112 113 /* Actually change the role. */ 114 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 115 ISP_UNLOCK(isp); 116 return (error); 117 } 118 119 static int 120 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 121 { 122 struct ccb_setasync csa; 123 struct cam_sim *sim; 124 struct cam_path *path; 125 126 /* 127 * Construct our SIM entry. 128 */ 129 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); 130 131 if (sim == NULL) { 132 return (ENOMEM); 133 } 134 135 ISP_LOCK(isp); 136 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 137 ISP_UNLOCK(isp); 138 cam_sim_free(sim, FALSE); 139 return (EIO); 140 } 141 ISP_UNLOCK(isp); 142 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 143 ISP_LOCK(isp); 144 xpt_bus_deregister(cam_sim_path(sim)); 145 ISP_UNLOCK(isp); 146 cam_sim_free(sim, FALSE); 147 return (ENXIO); 148 } 149 xpt_setup_ccb(&csa.ccb_h, path, 5); 150 csa.ccb_h.func_code = XPT_SASYNC_CB; 151 csa.event_enable = AC_LOST_DEVICE; 152 csa.callback = isp_cam_async; 153 csa.callback_arg = sim; 154 155 ISP_LOCK(isp); 156 xpt_action((union ccb *)&csa); 157 ISP_UNLOCK(isp); 158 159 if (IS_SCSI(isp)) { 160 struct isp_spi *spi = ISP_SPI_PC(isp, chan); 161 spi->sim = sim; 162 spi->path = path; 163 #ifdef ISP_INTERNAL_TARGET 164 ISP_SET_PC(isp, chan, proc_active, 1); 165 if (THREAD_CREATE(isp_target_thread_pi, spi, &spi->target_proc, 0, 0, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 166 ISP_SET_PC(isp, chan, proc_active, 0); 167 isp_prt(isp, ISP_LOGERR, "cannot create test target thread"); 168 } 169 ISP_SPI_PC(isp, chan)->num_threads += 1; 170 #endif 171 } else { 172 fcparam *fcp = FCPARAM(isp, chan); 173 struct isp_fc *fc = ISP_FC_PC(isp, chan); 174 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 175 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 176 char name[16]; 177 178 ISP_LOCK(isp); 179 fc->sim = sim; 180 fc->path = path; 181 fc->isp = isp; 182 fc->ready = 1; 183 184 callout_init_mtx(&fc->ldt, &isp->isp_osinfo.lock, 0); 185 callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0); 186 TASK_INIT(&fc->ltask, 1, isp_ldt_task, fc); 187 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 188 189 /* 190 * We start by being "loop down" if we have an initiator role 191 */ 192 if (fcp->role & ISP_ROLE_INITIATOR) { 193 isp_freeze_loopdown(isp, chan, "isp_attach"); 194 callout_reset(&fc->ldt, isp_quickboot_time * hz, isp_ldt, fc); 195 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Initial Loop Down Timer @ %lu", (unsigned long) time_uptime); 196 } 197 ISP_UNLOCK(isp); 198 if (THREAD_CREATE(isp_kthread, fc, &fc->kproc, 0, 0, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 199 xpt_free_path(fc->path); 200 ISP_LOCK(isp); 201 if (callout_active(&fc->ldt)) 202 callout_stop(&fc->ldt); 203 xpt_bus_deregister(cam_sim_path(fc->sim)); 204 ISP_UNLOCK(isp); 205 cam_sim_free(fc->sim, FALSE); 206 return (ENOMEM); 207 } 208 fc->num_threads += 1; 209 #ifdef ISP_INTERNAL_TARGET 210 ISP_SET_PC(isp, chan, proc_active, 1); 211 if (THREAD_CREATE(isp_target_thread_fc, fc, &fc->target_proc, 0, 0, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 212 ISP_SET_PC(isp, chan, proc_active, 0); 213 isp_prt(isp, ISP_LOGERR, "cannot create test target thread"); 214 } 215 fc->num_threads += 1; 216 #endif 217 if (chan > 0) { 218 snprintf(name, sizeof(name), "chan%d", chan); 219 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 220 OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel"); 221 } 222 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 223 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 224 "World Wide Node Name"); 225 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 226 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 227 "World Wide Port Name"); 228 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 229 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 230 "Loop Down Limit"); 231 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 232 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 233 "Gone Device Time"); 234 #if defined(ISP_TARGET_MODE) && defined(DEBUG) 235 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 236 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 237 "Cause a Lost Frame on a Read"); 238 #endif 239 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 240 "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan, 241 isp_role_sysctl, "I", "Current role"); 242 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 243 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 244 "Connection speed in gigabits"); 245 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 246 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 247 "Link state"); 248 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 249 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 250 "Firmware state"); 251 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 252 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 253 "Loop state"); 254 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 255 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 256 "Connection topology"); 257 } 258 return (0); 259 } 260 261 static void 262 isp_detach_internal_target(ispsoftc_t *isp, int chan) 263 { 264 #ifdef ISP_INTERNAL_TARGET 265 void *wchan; 266 267 ISP_GET_PC(isp, chan, target_proc, wchan); 268 ISP_SET_PC(isp, chan, proc_active, 0); 269 wakeup(wchan); 270 #endif 271 } 272 273 static void 274 isp_detach_chan(ispsoftc_t *isp, int chan) 275 { 276 struct cam_sim *sim; 277 struct cam_path *path; 278 struct ccb_setasync csa; 279 int *num_threads; 280 281 ISP_GET_PC(isp, chan, sim, sim); 282 ISP_GET_PC(isp, chan, path, path); 283 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 284 285 xpt_setup_ccb(&csa.ccb_h, path, 5); 286 csa.ccb_h.func_code = XPT_SASYNC_CB; 287 csa.event_enable = 0; 288 csa.callback = isp_cam_async; 289 csa.callback_arg = sim; 290 xpt_action((union ccb *)&csa); 291 xpt_free_path(path); 292 xpt_bus_deregister(cam_sim_path(sim)); 293 cam_sim_free(sim, FALSE); 294 295 /* Wait for the channel's spawned threads to exit. */ 296 wakeup(isp->isp_osinfo.pc.ptr); 297 isp_detach_internal_target(isp, chan); 298 while (*num_threads != 0) 299 mtx_sleep(isp, &isp->isp_osinfo.lock, PRIBIO, "isp_reap", 100); 300 } 301 302 int 303 isp_attach(ispsoftc_t *isp) 304 { 305 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 306 int du = device_get_unit(isp->isp_dev); 307 int chan; 308 309 isp->isp_osinfo.ehook.ich_func = isp_intr_enable; 310 isp->isp_osinfo.ehook.ich_arg = isp; 311 /* 312 * Haha. Set this first, because if we're loaded as a module isp_intr_enable 313 * will be called right awawy, which will clear isp_osinfo.ehook_active, 314 * which would be unwise to then set again later. 315 */ 316 isp->isp_osinfo.ehook_active = 1; 317 if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) { 318 isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook"); 319 return (-EIO); 320 } 321 322 /* 323 * Create the device queue for our SIM(s). 324 */ 325 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 326 if (isp->isp_osinfo.devq == NULL) { 327 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 328 return (EIO); 329 } 330 331 for (chan = 0; chan < isp->isp_nchan; chan++) { 332 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 333 goto unwind; 334 } 335 } 336 337 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0); 338 isp_timer_count = hz >> 2; 339 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 340 isp->isp_osinfo.timer_active = 1; 341 342 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 343 if (isp->isp_osinfo.cdev) { 344 isp->isp_osinfo.cdev->si_drv1 = isp; 345 } 346 return (0); 347 348 unwind: 349 while (--chan >= 0) { 350 struct cam_sim *sim; 351 struct cam_path *path; 352 353 ISP_GET_PC(isp, chan, sim, sim); 354 ISP_GET_PC(isp, chan, path, path); 355 xpt_free_path(path); 356 ISP_LOCK(isp); 357 xpt_bus_deregister(cam_sim_path(sim)); 358 ISP_UNLOCK(isp); 359 cam_sim_free(sim, FALSE); 360 } 361 if (isp->isp_osinfo.ehook_active) { 362 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 363 isp->isp_osinfo.ehook_active = 0; 364 } 365 if (isp->isp_osinfo.cdev) { 366 destroy_dev(isp->isp_osinfo.cdev); 367 isp->isp_osinfo.cdev = NULL; 368 } 369 cam_simq_free(isp->isp_osinfo.devq); 370 isp->isp_osinfo.devq = NULL; 371 return (-1); 372 } 373 374 int 375 isp_detach(ispsoftc_t *isp) 376 { 377 struct cam_sim *sim; 378 int chan; 379 380 ISP_LOCK(isp); 381 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) { 382 ISP_GET_PC(isp, chan, sim, sim); 383 if (sim->refcount > 2) { 384 ISP_UNLOCK(isp); 385 return (EBUSY); 386 } 387 } 388 /* Tell spawned threads that we're exiting. */ 389 isp->isp_osinfo.is_exiting = 1; 390 if (isp->isp_osinfo.timer_active) { 391 callout_stop(&isp->isp_osinfo.tmo); 392 isp->isp_osinfo.timer_active = 0; 393 } 394 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 395 isp_detach_chan(isp, chan); 396 ISP_UNLOCK(isp); 397 398 if (isp->isp_osinfo.cdev) { 399 destroy_dev(isp->isp_osinfo.cdev); 400 isp->isp_osinfo.cdev = NULL; 401 } 402 if (isp->isp_osinfo.ehook_active) { 403 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 404 isp->isp_osinfo.ehook_active = 0; 405 } 406 if (isp->isp_osinfo.devq != NULL) { 407 cam_simq_free(isp->isp_osinfo.devq); 408 isp->isp_osinfo.devq = NULL; 409 } 410 return (0); 411 } 412 413 static void 414 isp_freeze_loopdown(ispsoftc_t *isp, int chan, char *msg) 415 { 416 if (IS_FC(isp)) { 417 struct isp_fc *fc = ISP_FC_PC(isp, chan); 418 if (fc->simqfrozen == 0) { 419 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown) chan %d", msg, chan); 420 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 421 xpt_freeze_simq(fc->sim, 1); 422 } else { 423 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown) chan %d", msg, chan); 424 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 425 } 426 } 427 } 428 429 static void 430 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 431 { 432 if (IS_FC(isp)) { 433 struct isp_fc *fc = ISP_FC_PC(isp, chan); 434 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 435 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 436 if (wasfrozen && fc->simqfrozen == 0) { 437 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d releasing simq", __func__, chan); 438 xpt_release_simq(fc->sim, 1); 439 } 440 } 441 } 442 443 444 static int 445 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 446 { 447 ispsoftc_t *isp; 448 int nr, chan, retval = ENOTTY; 449 450 isp = dev->si_drv1; 451 452 switch (c) { 453 case ISP_SDBLEV: 454 { 455 int olddblev = isp->isp_dblev; 456 isp->isp_dblev = *(int *)addr; 457 *(int *)addr = olddblev; 458 retval = 0; 459 break; 460 } 461 case ISP_GETROLE: 462 chan = *(int *)addr; 463 if (chan < 0 || chan >= isp->isp_nchan) { 464 retval = -ENXIO; 465 break; 466 } 467 if (IS_FC(isp)) { 468 *(int *)addr = FCPARAM(isp, chan)->role; 469 } else { 470 *(int *)addr = SDPARAM(isp, chan)->role; 471 } 472 retval = 0; 473 break; 474 case ISP_SETROLE: 475 nr = *(int *)addr; 476 chan = nr >> 8; 477 if (chan < 0 || chan >= isp->isp_nchan) { 478 retval = -ENXIO; 479 break; 480 } 481 nr &= 0xff; 482 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 483 retval = EINVAL; 484 break; 485 } 486 ISP_LOCK(isp); 487 if (IS_FC(isp)) 488 *(int *)addr = FCPARAM(isp, chan)->role; 489 else 490 *(int *)addr = SDPARAM(isp, chan)->role; 491 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 492 ISP_UNLOCK(isp); 493 retval = 0; 494 break; 495 496 case ISP_RESETHBA: 497 ISP_LOCK(isp); 498 isp_reinit(isp, 0); 499 ISP_UNLOCK(isp); 500 retval = 0; 501 break; 502 503 case ISP_RESCAN: 504 if (IS_FC(isp)) { 505 chan = *(int *)addr; 506 if (chan < 0 || chan >= isp->isp_nchan) { 507 retval = -ENXIO; 508 break; 509 } 510 ISP_LOCK(isp); 511 if (isp_fc_runstate(isp, chan, 5 * 1000000)) { 512 retval = EIO; 513 } else { 514 retval = 0; 515 } 516 ISP_UNLOCK(isp); 517 } 518 break; 519 520 case ISP_FC_LIP: 521 if (IS_FC(isp)) { 522 chan = *(int *)addr; 523 if (chan < 0 || chan >= isp->isp_nchan) { 524 retval = -ENXIO; 525 break; 526 } 527 ISP_LOCK(isp); 528 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 529 retval = EIO; 530 } else { 531 retval = 0; 532 } 533 ISP_UNLOCK(isp); 534 } 535 break; 536 case ISP_FC_GETDINFO: 537 { 538 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 539 fcportdb_t *lp; 540 541 if (IS_SCSI(isp)) { 542 break; 543 } 544 if (ifc->loopid >= MAX_FC_TARG) { 545 retval = EINVAL; 546 break; 547 } 548 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 549 if (lp->state != FC_PORTDB_STATE_NIL) { 550 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 551 ifc->loopid = lp->handle; 552 ifc->portid = lp->portid; 553 ifc->node_wwn = lp->node_wwn; 554 ifc->port_wwn = lp->port_wwn; 555 retval = 0; 556 } else { 557 retval = ENODEV; 558 } 559 break; 560 } 561 case ISP_GET_STATS: 562 { 563 isp_stats_t *sp = (isp_stats_t *) addr; 564 565 ISP_MEMZERO(sp, sizeof (*sp)); 566 sp->isp_stat_version = ISP_STATS_VERSION; 567 sp->isp_type = isp->isp_type; 568 sp->isp_revision = isp->isp_revision; 569 ISP_LOCK(isp); 570 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 571 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 572 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 573 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 574 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 575 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 576 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 577 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 578 ISP_UNLOCK(isp); 579 retval = 0; 580 break; 581 } 582 case ISP_CLR_STATS: 583 ISP_LOCK(isp); 584 isp->isp_intcnt = 0; 585 isp->isp_intbogus = 0; 586 isp->isp_intmboxc = 0; 587 isp->isp_intoasync = 0; 588 isp->isp_rsltccmplt = 0; 589 isp->isp_fphccmplt = 0; 590 isp->isp_rscchiwater = 0; 591 isp->isp_fpcchiwater = 0; 592 ISP_UNLOCK(isp); 593 retval = 0; 594 break; 595 case ISP_FC_GETHINFO: 596 { 597 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 598 int chan = hba->fc_channel; 599 600 if (chan < 0 || chan >= isp->isp_nchan) { 601 retval = ENXIO; 602 break; 603 } 604 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 605 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 606 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 607 hba->fc_nchannels = isp->isp_nchan; 608 if (IS_FC(isp)) { 609 hba->fc_nports = MAX_FC_TARG; 610 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 611 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 612 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 613 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 614 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 615 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 616 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 617 } else { 618 hba->fc_nports = MAX_TARGETS; 619 hba->fc_speed = 0; 620 hba->fc_topology = 0; 621 hba->nvram_node_wwn = 0ull; 622 hba->nvram_port_wwn = 0ull; 623 hba->active_node_wwn = 0ull; 624 hba->active_port_wwn = 0ull; 625 } 626 retval = 0; 627 break; 628 } 629 case ISP_TSK_MGMT: 630 { 631 int needmarker; 632 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 633 uint16_t loopid; 634 mbreg_t mbs; 635 636 if (IS_SCSI(isp)) { 637 break; 638 } 639 640 chan = fct->chan; 641 if (chan < 0 || chan >= isp->isp_nchan) { 642 retval = -ENXIO; 643 break; 644 } 645 646 needmarker = retval = 0; 647 loopid = fct->loopid; 648 ISP_LOCK(isp); 649 if (IS_24XX(isp)) { 650 uint8_t local[QENTRY_LEN]; 651 isp24xx_tmf_t *tmf; 652 isp24xx_statusreq_t *sp; 653 fcparam *fcp = FCPARAM(isp, chan); 654 fcportdb_t *lp; 655 int i; 656 657 for (i = 0; i < MAX_FC_TARG; i++) { 658 lp = &fcp->portdb[i]; 659 if (lp->handle == loopid) { 660 break; 661 } 662 } 663 if (i == MAX_FC_TARG) { 664 retval = ENXIO; 665 ISP_UNLOCK(isp); 666 break; 667 } 668 /* XXX VALIDATE LP XXX */ 669 tmf = (isp24xx_tmf_t *) local; 670 ISP_MEMZERO(tmf, QENTRY_LEN); 671 tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 672 tmf->tmf_header.rqs_entry_count = 1; 673 tmf->tmf_nphdl = lp->handle; 674 tmf->tmf_delay = 2; 675 tmf->tmf_timeout = 2; 676 tmf->tmf_tidlo = lp->portid; 677 tmf->tmf_tidhi = lp->portid >> 16; 678 tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan); 679 tmf->tmf_lun[1] = fct->lun & 0xff; 680 if (fct->lun >= 256) { 681 tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8); 682 } 683 switch (fct->action) { 684 case IPT_CLEAR_ACA: 685 tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA; 686 break; 687 case IPT_TARGET_RESET: 688 tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET; 689 needmarker = 1; 690 break; 691 case IPT_LUN_RESET: 692 tmf->tmf_flags = ISP24XX_TMF_LUN_RESET; 693 needmarker = 1; 694 break; 695 case IPT_CLEAR_TASK_SET: 696 tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 697 needmarker = 1; 698 break; 699 case IPT_ABORT_TASK_SET: 700 tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 701 needmarker = 1; 702 break; 703 default: 704 retval = EINVAL; 705 break; 706 } 707 if (retval) { 708 ISP_UNLOCK(isp); 709 break; 710 } 711 MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL, 5000000); 712 mbs.param[1] = QENTRY_LEN; 713 mbs.param[2] = DMA_WD1(fcp->isp_scdma); 714 mbs.param[3] = DMA_WD0(fcp->isp_scdma); 715 mbs.param[6] = DMA_WD3(fcp->isp_scdma); 716 mbs.param[7] = DMA_WD2(fcp->isp_scdma); 717 718 if (FC_SCRATCH_ACQUIRE(isp, chan)) { 719 ISP_UNLOCK(isp); 720 retval = ENOMEM; 721 break; 722 } 723 isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch); 724 MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan); 725 sp = (isp24xx_statusreq_t *) local; 726 sp->req_completion_status = 1; 727 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 728 MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan); 729 isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp); 730 FC_SCRATCH_RELEASE(isp, chan); 731 if (retval || sp->req_completion_status != 0) { 732 FC_SCRATCH_RELEASE(isp, chan); 733 retval = EIO; 734 } 735 if (retval == 0) { 736 if (needmarker) { 737 fcp->sendmarker = 1; 738 } 739 } 740 } else { 741 MBSINIT(&mbs, 0, MBLOGALL, 0); 742 if (ISP_CAP_2KLOGIN(isp) == 0) { 743 loopid <<= 8; 744 } 745 switch (fct->action) { 746 case IPT_CLEAR_ACA: 747 mbs.param[0] = MBOX_CLEAR_ACA; 748 mbs.param[1] = loopid; 749 mbs.param[2] = fct->lun; 750 break; 751 case IPT_TARGET_RESET: 752 mbs.param[0] = MBOX_TARGET_RESET; 753 mbs.param[1] = loopid; 754 needmarker = 1; 755 break; 756 case IPT_LUN_RESET: 757 mbs.param[0] = MBOX_LUN_RESET; 758 mbs.param[1] = loopid; 759 mbs.param[2] = fct->lun; 760 needmarker = 1; 761 break; 762 case IPT_CLEAR_TASK_SET: 763 mbs.param[0] = MBOX_CLEAR_TASK_SET; 764 mbs.param[1] = loopid; 765 mbs.param[2] = fct->lun; 766 needmarker = 1; 767 break; 768 case IPT_ABORT_TASK_SET: 769 mbs.param[0] = MBOX_ABORT_TASK_SET; 770 mbs.param[1] = loopid; 771 mbs.param[2] = fct->lun; 772 needmarker = 1; 773 break; 774 default: 775 retval = EINVAL; 776 break; 777 } 778 if (retval == 0) { 779 if (needmarker) { 780 FCPARAM(isp, chan)->sendmarker = 1; 781 } 782 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 783 if (retval) { 784 retval = EIO; 785 } 786 } 787 } 788 ISP_UNLOCK(isp); 789 break; 790 } 791 default: 792 break; 793 } 794 return (retval); 795 } 796 797 static void 798 isp_intr_enable(void *arg) 799 { 800 int chan; 801 ispsoftc_t *isp = arg; 802 ISP_LOCK(isp); 803 for (chan = 0; chan < isp->isp_nchan; chan++) { 804 if (IS_FC(isp)) { 805 if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) { 806 ISP_ENABLE_INTS(isp); 807 break; 808 } 809 } else { 810 if (SDPARAM(isp, chan)->role != ISP_ROLE_NONE) { 811 ISP_ENABLE_INTS(isp); 812 break; 813 } 814 } 815 } 816 isp->isp_osinfo.ehook_active = 0; 817 ISP_UNLOCK(isp); 818 /* Release our hook so that the boot can continue. */ 819 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 820 } 821 822 /* 823 * Local Inlines 824 */ 825 826 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 827 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 828 829 static ISP_INLINE int 830 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 831 { 832 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 833 if (ISP_PCMD(ccb) == NULL) { 834 return (-1); 835 } 836 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 837 return (0); 838 } 839 840 static ISP_INLINE void 841 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 842 { 843 if (ISP_PCMD(ccb)) { 844 #ifdef ISP_TARGET_MODE 845 PISP_PCMD(ccb)->datalen = 0; 846 PISP_PCMD(ccb)->totslen = 0; 847 PISP_PCMD(ccb)->cumslen = 0; 848 PISP_PCMD(ccb)->crn = 0; 849 #endif 850 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 851 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 852 ISP_PCMD(ccb) = NULL; 853 } 854 } 855 856 /* 857 * Put the target mode functions here, because some are inlines 858 */ 859 #ifdef ISP_TARGET_MODE 860 static ISP_INLINE void isp_tmlock(ispsoftc_t *, const char *); 861 static ISP_INLINE void isp_tmunlk(ispsoftc_t *); 862 static ISP_INLINE int is_any_lun_enabled(ispsoftc_t *, int); 863 static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t); 864 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 865 static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t); 866 static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *); 867 static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **); 868 static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t); 869 static ISP_INLINE atio_private_data_t *isp_find_atpd(ispsoftc_t *, tstate_t *, uint32_t); 870 static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *); 871 static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *); 872 static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t); 873 static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *); 874 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 875 static void destroy_lun_state(ispsoftc_t *, tstate_t *); 876 static void isp_enable_lun(ispsoftc_t *, union ccb *); 877 static cam_status isp_enable_deferred_luns(ispsoftc_t *, int); 878 static cam_status isp_enable_deferred(ispsoftc_t *, int, lun_id_t); 879 static void isp_disable_lun(ispsoftc_t *, union ccb *); 880 static int isp_enable_target_mode(ispsoftc_t *, int); 881 static int isp_disable_target_mode(ispsoftc_t *, int); 882 static void isp_ledone(ispsoftc_t *, lun_entry_t *); 883 static timeout_t isp_refire_putback_atio; 884 static timeout_t isp_refire_notify_ack; 885 static void isp_complete_ctio(union ccb *); 886 static void isp_target_putback_atio(union ccb *); 887 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 888 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 889 static void isp_handle_platform_atio(ispsoftc_t *, at_entry_t *); 890 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 891 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 892 static void isp_handle_platform_ctio(ispsoftc_t *, void *); 893 static void isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *); 894 static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *); 895 static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *); 896 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *); 897 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 898 static void isp_target_mark_aborted(ispsoftc_t *, union ccb *); 899 static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t); 900 901 static ISP_INLINE void 902 isp_tmlock(ispsoftc_t *isp, const char *msg) 903 { 904 while (isp->isp_osinfo.tmbusy) { 905 isp->isp_osinfo.tmwanted = 1; 906 mtx_sleep(isp, &isp->isp_lock, PRIBIO, msg, 0); 907 } 908 isp->isp_osinfo.tmbusy = 1; 909 } 910 911 static ISP_INLINE void 912 isp_tmunlk(ispsoftc_t *isp) 913 { 914 isp->isp_osinfo.tmbusy = 0; 915 if (isp->isp_osinfo.tmwanted) { 916 isp->isp_osinfo.tmwanted = 0; 917 wakeup(isp); 918 } 919 } 920 921 static ISP_INLINE int 922 is_any_lun_enabled(ispsoftc_t *isp, int bus) 923 { 924 struct tslist *lhp; 925 int i; 926 927 for (i = 0; i < LUN_HASH_SIZE; i++) { 928 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 929 if (SLIST_FIRST(lhp)) 930 return (1); 931 } 932 return (0); 933 } 934 935 static ISP_INLINE int 936 is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun) 937 { 938 tstate_t *tptr; 939 struct tslist *lhp; 940 941 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 942 SLIST_FOREACH(tptr, lhp, next) { 943 if (tptr->ts_lun == lun) { 944 return (1); 945 } 946 } 947 return (0); 948 } 949 950 static void 951 dump_tstates(ispsoftc_t *isp, int bus) 952 { 953 int i, j; 954 struct tslist *lhp; 955 tstate_t *tptr = NULL; 956 957 if (bus >= isp->isp_nchan) { 958 return; 959 } 960 for (i = 0; i < LUN_HASH_SIZE; i++) { 961 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 962 j = 0; 963 SLIST_FOREACH(tptr, lhp, next) { 964 xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count); 965 j++; 966 } 967 } 968 } 969 970 static ISP_INLINE tstate_t * 971 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 972 { 973 tstate_t *tptr = NULL; 974 struct tslist *lhp; 975 976 if (bus < isp->isp_nchan) { 977 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 978 SLIST_FOREACH(tptr, lhp, next) { 979 if (tptr->ts_lun == lun) { 980 tptr->hold++; 981 return (tptr); 982 } 983 } 984 } 985 return (NULL); 986 } 987 988 static ISP_INLINE tstate_t * 989 get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval) 990 { 991 tstate_t *tptr = NULL; 992 atio_private_data_t *atp; 993 struct tslist *lhp; 994 int i; 995 996 if (bus < isp->isp_nchan && tagval != 0) { 997 for (i = 0; i < LUN_HASH_SIZE; i++) { 998 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 999 SLIST_FOREACH(tptr, lhp, next) { 1000 atp = isp_find_atpd(isp, tptr, tagval); 1001 if (atp) { 1002 tptr->hold++; 1003 return (tptr); 1004 } 1005 } 1006 } 1007 } 1008 return (NULL); 1009 } 1010 1011 static ISP_INLINE inot_private_data_t * 1012 get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt) 1013 { 1014 inot_private_data_t *ntp; 1015 tstate_t *tptr; 1016 struct tslist *lhp; 1017 int bus, i; 1018 1019 for (bus = 0; bus < isp->isp_nchan; bus++) { 1020 for (i = 0; i < LUN_HASH_SIZE; i++) { 1021 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1022 SLIST_FOREACH(tptr, lhp, next) { 1023 ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id); 1024 if (ntp) { 1025 *rslt = tptr; 1026 tptr->hold++; 1027 return (ntp); 1028 } 1029 } 1030 } 1031 } 1032 return (NULL); 1033 } 1034 1035 static ISP_INLINE void 1036 rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr) 1037 { 1038 KASSERT((tptr->hold), ("tptr not held")); 1039 tptr->hold--; 1040 } 1041 1042 static void 1043 isp_tmcmd_restart(ispsoftc_t *isp) 1044 { 1045 inot_private_data_t *ntp; 1046 inot_private_data_t *restart_queue; 1047 tstate_t *tptr; 1048 union ccb *ccb; 1049 struct tslist *lhp; 1050 int bus, i; 1051 1052 for (bus = 0; bus < isp->isp_nchan; bus++) { 1053 for (i = 0; i < LUN_HASH_SIZE; i++) { 1054 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1055 SLIST_FOREACH(tptr, lhp, next) { 1056 if ((restart_queue = tptr->restart_queue) != NULL) 1057 tptr->restart_queue = NULL; 1058 while (restart_queue) { 1059 ntp = restart_queue; 1060 restart_queue = ntp->rd.nt.nt_hba; 1061 if (IS_24XX(isp)) { 1062 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid); 1063 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data); 1064 } else { 1065 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid); 1066 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data); 1067 } 1068 isp_put_ntpd(isp, tptr, ntp); 1069 if (tptr->restart_queue && restart_queue != NULL) { 1070 ntp = tptr->restart_queue; 1071 tptr->restart_queue = restart_queue; 1072 while (restart_queue->rd.nt.nt_hba) { 1073 restart_queue = restart_queue->rd.nt.nt_hba; 1074 } 1075 restart_queue->rd.nt.nt_hba = ntp; 1076 break; 1077 } 1078 } 1079 /* 1080 * We only need to do this once per tptr 1081 */ 1082 if (!TAILQ_EMPTY(&tptr->waitq)) { 1083 ccb = (union ccb *)TAILQ_LAST(&tptr->waitq, isp_ccbq); 1084 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1085 isp_target_start_ctio(isp, ccb, FROM_TIMER); 1086 } 1087 } 1088 } 1089 } 1090 } 1091 1092 static ISP_INLINE atio_private_data_t * 1093 isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag) 1094 { 1095 atio_private_data_t *atp; 1096 1097 atp = LIST_FIRST(&tptr->atfree); 1098 if (atp) { 1099 LIST_REMOVE(atp, next); 1100 atp->tag = tag; 1101 LIST_INSERT_HEAD(&tptr->atused[ATPDPHASH(tag)], atp, next); 1102 } 1103 return (atp); 1104 } 1105 1106 static ISP_INLINE atio_private_data_t * 1107 isp_find_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag) 1108 { 1109 atio_private_data_t *atp; 1110 1111 LIST_FOREACH(atp, &tptr->atused[ATPDPHASH(tag)], next) { 1112 if (atp->tag == tag) 1113 return (atp); 1114 } 1115 return (NULL); 1116 } 1117 1118 static ISP_INLINE void 1119 isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp) 1120 { 1121 if (atp->ests) { 1122 isp_put_ecmd(isp, atp->ests); 1123 } 1124 LIST_REMOVE(atp, next); 1125 memset(atp, 0, sizeof (*atp)); 1126 LIST_INSERT_HEAD(&tptr->atfree, atp, next); 1127 } 1128 1129 static void 1130 isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr) 1131 { 1132 atio_private_data_t *atp; 1133 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 1134 1135 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) { 1136 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", 1137 atp->tag, atp->orig_datalen, atp->bytes_xfered, atp->lun, atp->nphdl, atp->sid, atp->portid, atp->oxid, states[atp->state & 0x7]); 1138 } 1139 } 1140 1141 1142 static ISP_INLINE inot_private_data_t * 1143 isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr) 1144 { 1145 inot_private_data_t *ntp; 1146 ntp = tptr->ntfree; 1147 if (ntp) { 1148 tptr->ntfree = ntp->next; 1149 } 1150 return (ntp); 1151 } 1152 1153 static ISP_INLINE inot_private_data_t * 1154 isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id) 1155 { 1156 inot_private_data_t *ntp; 1157 for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) { 1158 if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) { 1159 return (ntp); 1160 } 1161 } 1162 return (NULL); 1163 } 1164 1165 static ISP_INLINE void 1166 isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp) 1167 { 1168 ntp->rd.tag_id = ntp->rd.seq_id = 0; 1169 ntp->next = tptr->ntfree; 1170 tptr->ntfree = ntp; 1171 } 1172 1173 static cam_status 1174 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 1175 { 1176 cam_status status; 1177 lun_id_t lun; 1178 struct tslist *lhp; 1179 tstate_t *tptr; 1180 int i; 1181 1182 lun = xpt_path_lun_id(path); 1183 if (lun != CAM_LUN_WILDCARD) { 1184 if (lun >= ISP_MAX_LUNS(isp)) { 1185 return (CAM_LUN_INVALID); 1186 } 1187 } 1188 if (is_lun_enabled(isp, bus, lun)) { 1189 return (CAM_LUN_ALRDY_ENA); 1190 } 1191 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 1192 if (tptr == NULL) { 1193 return (CAM_RESRC_UNAVAIL); 1194 } 1195 tptr->ts_lun = lun; 1196 status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun); 1197 if (status != CAM_REQ_CMP) { 1198 free(tptr, M_DEVBUF); 1199 return (status); 1200 } 1201 SLIST_INIT(&tptr->atios); 1202 SLIST_INIT(&tptr->inots); 1203 TAILQ_INIT(&tptr->waitq); 1204 LIST_INIT(&tptr->atfree); 1205 for (i = ATPDPSIZE-1; i >= 0; i--) 1206 LIST_INSERT_HEAD(&tptr->atfree, &tptr->atpool[i], next); 1207 for (i = 0; i < ATPDPHASHSIZE; i++) 1208 LIST_INIT(&tptr->atused[i]); 1209 for (i = 0; i < ATPDPSIZE-1; i++) 1210 tptr->ntpool[i].next = &tptr->ntpool[i+1]; 1211 tptr->ntfree = tptr->ntpool; 1212 tptr->hold = 1; 1213 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 1214 SLIST_INSERT_HEAD(lhp, tptr, next); 1215 *rslt = tptr; 1216 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 1217 return (CAM_REQ_CMP); 1218 } 1219 1220 static ISP_INLINE void 1221 destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr) 1222 { 1223 union ccb *ccb; 1224 struct tslist *lhp; 1225 1226 KASSERT((tptr->hold != 0), ("tptr is not held")); 1227 KASSERT((tptr->hold == 1), ("tptr still held (%d)", tptr->hold)); 1228 do { 1229 ccb = (union ccb *)SLIST_FIRST(&tptr->atios); 1230 if (ccb) { 1231 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1232 ccb->ccb_h.status = CAM_REQ_ABORTED; 1233 xpt_done(ccb); 1234 } 1235 } while (ccb); 1236 do { 1237 ccb = (union ccb *)SLIST_FIRST(&tptr->inots); 1238 if (ccb) { 1239 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 1240 ccb->ccb_h.status = CAM_REQ_ABORTED; 1241 xpt_done(ccb); 1242 } 1243 } while (ccb); 1244 ISP_GET_PC_ADDR(isp, cam_sim_bus(xpt_path_sim(tptr->owner)), lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 1245 SLIST_REMOVE(lhp, tptr, tstate, next); 1246 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "destroyed tstate\n"); 1247 xpt_free_path(tptr->owner); 1248 free(tptr, M_DEVBUF); 1249 } 1250 1251 /* 1252 * Enable a lun. 1253 */ 1254 static void 1255 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1256 { 1257 tstate_t *tptr = NULL; 1258 int bus, tm_enabled, target_role; 1259 target_id_t target; 1260 lun_id_t lun; 1261 1262 1263 /* 1264 * We only support either a wildcard target/lun or a target ID of zero and a non-wildcard lun 1265 */ 1266 bus = XS_CHANNEL(ccb); 1267 target = ccb->ccb_h.target_id; 1268 lun = ccb->ccb_h.target_lun; 1269 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "enabling lun %u\n", lun); 1270 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) { 1271 ccb->ccb_h.status = CAM_LUN_INVALID; 1272 xpt_done(ccb); 1273 return; 1274 } 1275 1276 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 1277 ccb->ccb_h.status = CAM_LUN_INVALID; 1278 xpt_done(ccb); 1279 return; 1280 } 1281 if (isp->isp_dblev & ISP_LOGTDEBUG0) { 1282 xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus); 1283 } 1284 1285 /* 1286 * Wait until we're not busy with the lun enables subsystem 1287 */ 1288 isp_tmlock(isp, "isp_enable_lun"); 1289 1290 /* 1291 * This is as a good a place as any to check f/w capabilities. 1292 */ 1293 1294 if (IS_FC(isp)) { 1295 if (ISP_CAP_TMODE(isp) == 0) { 1296 xpt_print(ccb->ccb_h.path, "firmware does not support target mode\n"); 1297 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1298 goto done; 1299 } 1300 /* 1301 * We *could* handle non-SCCLUN f/w, but we'd have to 1302 * dork with our already fragile enable/disable code. 1303 */ 1304 if (ISP_CAP_SCCFW(isp) == 0) { 1305 xpt_print(ccb->ccb_h.path, "firmware not SCCLUN capable\n"); 1306 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1307 goto done; 1308 } 1309 1310 target_role = (FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0; 1311 1312 } else { 1313 target_role = (SDPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0; 1314 } 1315 1316 /* 1317 * Create the state pointer. 1318 * It should not already exist. 1319 */ 1320 tptr = get_lun_statep(isp, bus, lun); 1321 if (tptr) { 1322 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1323 goto done; 1324 } 1325 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1326 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1327 goto done; 1328 } 1329 1330 /* 1331 * We have a tricky maneuver to perform here. 1332 * 1333 * If target mode isn't already enabled here, 1334 * *and* our current role includes target mode, 1335 * we enable target mode here. 1336 * 1337 */ 1338 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1339 if (tm_enabled == 0 && target_role != 0) { 1340 if (isp_enable_target_mode(isp, bus)) { 1341 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1342 destroy_lun_state(isp, tptr); 1343 tptr = NULL; 1344 goto done; 1345 } 1346 tm_enabled = 1; 1347 } 1348 1349 /* 1350 * Now check to see whether this bus is in target mode already. 1351 * 1352 * If not, a later role change into target mode will finish the job. 1353 */ 1354 if (tm_enabled == 0) { 1355 ISP_SET_PC(isp, bus, tm_enable_defer, 1); 1356 ccb->ccb_h.status = CAM_REQ_CMP; 1357 xpt_print(ccb->ccb_h.path, "Target Mode not enabled yet- lun enable deferred\n"); 1358 goto done1; 1359 } 1360 1361 /* 1362 * Enable the lun. 1363 */ 1364 ccb->ccb_h.status = isp_enable_deferred(isp, bus, lun); 1365 1366 done: 1367 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1368 if (tptr) { 1369 destroy_lun_state(isp, tptr); 1370 tptr = NULL; 1371 } 1372 } else { 1373 tptr->enabled = 1; 1374 } 1375 done1: 1376 if (tptr) { 1377 rls_lun_statep(isp, tptr); 1378 } 1379 1380 /* 1381 * And we're outta here.... 1382 */ 1383 isp_tmunlk(isp); 1384 xpt_done(ccb); 1385 } 1386 1387 static cam_status 1388 isp_enable_deferred_luns(ispsoftc_t *isp, int bus) 1389 { 1390 tstate_t *tptr = NULL; 1391 struct tslist *lhp; 1392 int i, n; 1393 1394 1395 ISP_GET_PC(isp, bus, tm_enabled, i); 1396 if (i == 1) { 1397 return (CAM_REQ_CMP); 1398 } 1399 ISP_GET_PC(isp, bus, tm_enable_defer, i); 1400 if (i == 0) { 1401 return (CAM_REQ_CMP); 1402 } 1403 /* 1404 * If this succeeds, it will set tm_enable 1405 */ 1406 if (isp_enable_target_mode(isp, bus)) { 1407 return (CAM_REQ_CMP_ERR); 1408 } 1409 isp_tmlock(isp, "isp_enable_deferred_luns"); 1410 for (n = i = 0; i < LUN_HASH_SIZE; i++) { 1411 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1412 SLIST_FOREACH(tptr, lhp, next) { 1413 tptr->hold++; 1414 if (tptr->enabled == 0) { 1415 if (isp_enable_deferred(isp, bus, tptr->ts_lun) == CAM_REQ_CMP) { 1416 tptr->enabled = 1; 1417 n++; 1418 } 1419 } else { 1420 n++; 1421 } 1422 tptr->hold--; 1423 } 1424 } 1425 isp_tmunlk(isp); 1426 if (n == 0) { 1427 return (CAM_REQ_CMP_ERR); 1428 } 1429 ISP_SET_PC(isp, bus, tm_enable_defer, 0); 1430 return (CAM_REQ_CMP); 1431 } 1432 1433 static cam_status 1434 isp_enable_deferred(ispsoftc_t *isp, int bus, lun_id_t lun) 1435 { 1436 cam_status status; 1437 int luns_already_enabled; 1438 1439 ISP_GET_PC(isp, bus, tm_luns_enabled, luns_already_enabled); 1440 isp_prt(isp, ISP_LOGTINFO, "%s: bus %d lun %jx luns_enabled %d", __func__, bus, (uintmax_t)lun, luns_already_enabled); 1441 if (IS_24XX(isp) || (IS_FC(isp) && luns_already_enabled)) { 1442 status = CAM_REQ_CMP; 1443 } else { 1444 int cmd_cnt, not_cnt; 1445 1446 if (IS_23XX(isp)) { 1447 cmd_cnt = DFLT_CMND_CNT; 1448 not_cnt = DFLT_INOT_CNT; 1449 } else { 1450 cmd_cnt = 64; 1451 not_cnt = 8; 1452 } 1453 status = CAM_REQ_INPROG; 1454 isp->isp_osinfo.rptr = &status; 1455 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun == CAM_LUN_WILDCARD? 0 : lun, cmd_cnt, not_cnt)) { 1456 status = CAM_RESRC_UNAVAIL; 1457 } else { 1458 mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_enable_deferred", 0); 1459 } 1460 isp->isp_osinfo.rptr = NULL; 1461 } 1462 if (status == CAM_REQ_CMP) { 1463 ISP_SET_PC(isp, bus, tm_luns_enabled, 1); 1464 isp_prt(isp, ISP_LOGCONFIG|ISP_LOGTINFO, "bus %d lun %jx now enabled for target mode", bus, (uintmax_t)lun); 1465 } 1466 return (status); 1467 } 1468 1469 static void 1470 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1471 { 1472 tstate_t *tptr = NULL; 1473 int bus; 1474 cam_status status; 1475 target_id_t target; 1476 lun_id_t lun; 1477 1478 bus = XS_CHANNEL(ccb); 1479 target = ccb->ccb_h.target_id; 1480 lun = ccb->ccb_h.target_lun; 1481 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "disabling lun %u\n", lun); 1482 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) { 1483 ccb->ccb_h.status = CAM_LUN_INVALID; 1484 xpt_done(ccb); 1485 return; 1486 } 1487 1488 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 1489 ccb->ccb_h.status = CAM_LUN_INVALID; 1490 xpt_done(ccb); 1491 return; 1492 } 1493 1494 /* 1495 * See if we're busy disabling a lun now. 1496 */ 1497 isp_tmlock(isp, "isp_disable_lun"); 1498 status = CAM_REQ_INPROG; 1499 1500 /* 1501 * Find the state pointer. 1502 */ 1503 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1504 status = CAM_PATH_INVALID; 1505 goto done; 1506 } 1507 1508 /* 1509 * If we're a 24XX card, we're done. 1510 */ 1511 if (IS_24XX(isp)) { 1512 status = CAM_REQ_CMP; 1513 goto done; 1514 } 1515 1516 /* 1517 * For SCC FW, we only deal with lun zero. 1518 */ 1519 if (IS_FC(isp) && lun > 0) { 1520 status = CAM_REQ_CMP; 1521 goto done; 1522 } 1523 isp->isp_osinfo.rptr = &status; 1524 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) { 1525 status = CAM_RESRC_UNAVAIL; 1526 } else { 1527 mtx_sleep(ccb, &isp->isp_lock, PRIBIO, "isp_disable_lun", 0); 1528 } 1529 isp->isp_osinfo.rptr = NULL; 1530 done: 1531 if (status == CAM_REQ_CMP) { 1532 tptr->enabled = 0; 1533 if (is_any_lun_enabled(isp, bus) == 0) { 1534 if (isp_disable_target_mode(isp, bus)) { 1535 status = CAM_REQ_CMP_ERR; 1536 } 1537 } 1538 } 1539 ccb->ccb_h.status = status; 1540 if (status == CAM_REQ_CMP) { 1541 destroy_lun_state(isp, tptr); 1542 xpt_print(ccb->ccb_h.path, "lun now disabled for target mode\n"); 1543 } else { 1544 if (tptr) 1545 rls_lun_statep(isp, tptr); 1546 } 1547 isp_tmunlk(isp); 1548 xpt_done(ccb); 1549 } 1550 1551 static int 1552 isp_enable_target_mode(ispsoftc_t *isp, int bus) 1553 { 1554 int tm_enabled; 1555 1556 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1557 if (tm_enabled != 0) { 1558 return (0); 1559 } 1560 if (IS_SCSI(isp)) { 1561 mbreg_t mbs; 1562 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0); 1563 mbs.param[0] = MBOX_ENABLE_TARGET_MODE; 1564 mbs.param[1] = ENABLE_TARGET_FLAG|ENABLE_TQING_FLAG; 1565 mbs.param[2] = bus << 7; 1566 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1567 isp_prt(isp, ISP_LOGERR, "Unable to enable Target Role on Bus %d", bus); 1568 return (EIO); 1569 } 1570 } 1571 ISP_SET_PC(isp, bus, tm_enabled, 1); 1572 isp_prt(isp, ISP_LOGINFO, "Target Role enabled on Bus %d", bus); 1573 return (0); 1574 } 1575 1576 static int 1577 isp_disable_target_mode(ispsoftc_t *isp, int bus) 1578 { 1579 int tm_enabled; 1580 1581 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1582 if (tm_enabled == 0) { 1583 return (0); 1584 } 1585 if (IS_SCSI(isp)) { 1586 mbreg_t mbs; 1587 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0); 1588 mbs.param[2] = bus << 7; 1589 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1590 isp_prt(isp, ISP_LOGERR, "Unable to disable Target Role on Bus %d", bus); 1591 return (EIO); 1592 } 1593 } 1594 ISP_SET_PC(isp, bus, tm_enabled, 0); 1595 isp_prt(isp, ISP_LOGINFO, "Target Role disabled on Bus %d", bus); 1596 return (0); 1597 } 1598 1599 static void 1600 isp_ledone(ispsoftc_t *isp, lun_entry_t *lep) 1601 { 1602 uint32_t *rptr; 1603 1604 rptr = isp->isp_osinfo.rptr; 1605 if (lep->le_status != LUN_OK) { 1606 isp_prt(isp, ISP_LOGERR, "ENABLE/MODIFY LUN returned 0x%x", lep->le_status); 1607 if (rptr) { 1608 *rptr = CAM_REQ_CMP_ERR; 1609 wakeup_one(rptr); 1610 } 1611 } else { 1612 if (rptr) { 1613 *rptr = CAM_REQ_CMP; 1614 wakeup_one(rptr); 1615 } 1616 } 1617 } 1618 1619 static void 1620 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1621 { 1622 int fctape, sendstatus, resid; 1623 tstate_t *tptr; 1624 fcparam *fcp; 1625 atio_private_data_t *atp; 1626 struct ccb_scsiio *cso; 1627 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1628 uint8_t local[QENTRY_LEN]; 1629 1630 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb)); 1631 if (tptr == NULL) { 1632 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD); 1633 if (tptr == NULL) { 1634 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find tstate pointer", __func__, ccb->csio.tag_id); 1635 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1636 xpt_done(ccb); 1637 return; 1638 } 1639 } 1640 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, 1641 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1642 1643 switch (how) { 1644 case FROM_TIMER: 1645 case FROM_CAM: 1646 /* 1647 * Insert at the tail of the list, if any, waiting CTIO CCBs 1648 */ 1649 TAILQ_INSERT_TAIL(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1650 break; 1651 case FROM_SRR: 1652 case FROM_CTIO_DONE: 1653 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1654 break; 1655 } 1656 1657 while (TAILQ_FIRST(&tptr->waitq) != NULL) { 1658 ccb = (union ccb *) TAILQ_FIRST(&tptr->waitq); 1659 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1660 1661 cso = &ccb->csio; 1662 xfrlen = cso->dxfer_len; 1663 if (xfrlen == 0) { 1664 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1665 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1666 ccb->ccb_h.status = CAM_REQ_INVALID; 1667 xpt_done(ccb); 1668 continue; 1669 } 1670 } 1671 1672 atp = isp_find_atpd(isp, tptr, cso->tag_id); 1673 if (atp == NULL) { 1674 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1675 isp_dump_atpd(isp, tptr); 1676 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1677 xpt_done(ccb); 1678 continue; 1679 } 1680 1681 /* 1682 * Is this command a dead duck? 1683 */ 1684 if (atp->dead) { 1685 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1686 ccb->ccb_h.status = CAM_REQ_ABORTED; 1687 xpt_done(ccb); 1688 continue; 1689 } 1690 1691 /* 1692 * Check to make sure we're still in target mode. 1693 */ 1694 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1695 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1696 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1697 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1698 xpt_done(ccb); 1699 continue; 1700 } 1701 1702 /* 1703 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1704 * could be split into two CTIOs to split data and status). 1705 */ 1706 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1707 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); 1708 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1709 break; 1710 } 1711 1712 /* 1713 * Does the initiator expect FC-Tape style responses? 1714 */ 1715 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1716 fctape = 1; 1717 } else { 1718 fctape = 0; 1719 } 1720 1721 /* 1722 * If we already did the data xfer portion of a CTIO that sends data 1723 * and status, don't do it again and do the status portion now. 1724 */ 1725 if (atp->sendst) { 1726 isp_prt(isp, ISP_LOGTINFO, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1727 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1728 xfrlen = 0; /* we already did the data transfer */ 1729 atp->sendst = 0; 1730 } 1731 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1732 sendstatus = 1; 1733 } else { 1734 sendstatus = 0; 1735 } 1736 1737 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1738 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1739 /* 1740 * Sense length is not the entire sense data structure size. Periph 1741 * drivers don't seem to be setting sense_len to reflect the actual 1742 * size. We'll peek inside to get the right amount. 1743 */ 1744 sense_length = cso->sense_len; 1745 1746 /* 1747 * This 'cannot' happen 1748 */ 1749 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1750 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1751 } 1752 } else { 1753 sense_length = 0; 1754 } 1755 1756 memset(local, 0, QENTRY_LEN); 1757 1758 /* 1759 * Check for overflow 1760 */ 1761 tmp = atp->bytes_xfered + atp->bytes_in_transit + xfrlen; 1762 if (tmp > atp->orig_datalen) { 1763 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] data overflow by %u bytes", __func__, cso->tag_id, tmp - atp->orig_datalen); 1764 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1765 xpt_done(ccb); 1766 continue; 1767 } 1768 1769 if (IS_24XX(isp)) { 1770 ct7_entry_t *cto = (ct7_entry_t *) local; 1771 1772 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1773 cto->ct_header.rqs_entry_count = 1; 1774 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1775 ATPD_SET_SEQNO(cto, atp); 1776 cto->ct_nphdl = atp->nphdl; 1777 cto->ct_rxid = atp->tag; 1778 cto->ct_iid_lo = atp->portid; 1779 cto->ct_iid_hi = atp->portid >> 16; 1780 cto->ct_oxid = atp->oxid; 1781 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1782 cto->ct_timeout = 120; 1783 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1784 1785 /* 1786 * Mode 1, status, no data. Only possible when we are sending status, have 1787 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1788 * 1789 * Mode 2, status, no data. We have to use this in the case that 1790 * the sense data won't fit into a ct7_entry_t. 1791 * 1792 */ 1793 if (sendstatus && xfrlen == 0) { 1794 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1795 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1796 if (sense_length <= MAXRESPLEN_24XX) { 1797 if (resid < 0) { 1798 cto->ct_resid = -resid; 1799 } else if (resid > 0) { 1800 cto->ct_resid = resid; 1801 } 1802 cto->ct_flags |= CT7_FLAG_MODE1; 1803 cto->ct_scsi_status = cso->scsi_status; 1804 if (resid < 0) { 1805 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1806 } else if (resid > 0) { 1807 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1808 } 1809 if (fctape) { 1810 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1811 } 1812 if (sense_length) { 1813 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1814 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1815 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1816 } 1817 } else { 1818 bus_addr_t addr; 1819 char buf[XCMD_SIZE]; 1820 fcp_rsp_iu_t *rp; 1821 1822 if (atp->ests == NULL) { 1823 atp->ests = isp_get_ecmd(isp); 1824 if (atp->ests == NULL) { 1825 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1826 break; 1827 } 1828 } 1829 memset(buf, 0, sizeof (buf)); 1830 rp = (fcp_rsp_iu_t *)buf; 1831 if (fctape) { 1832 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1833 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1834 } 1835 cto->ct_flags |= CT7_FLAG_MODE2; 1836 rp->fcp_rsp_scsi_status = cso->scsi_status; 1837 if (resid < 0) { 1838 rp->fcp_rsp_resid = -resid; 1839 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1840 } else if (resid > 0) { 1841 rp->fcp_rsp_resid = resid; 1842 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1843 } 1844 if (sense_length) { 1845 rp->fcp_rsp_snslen = sense_length; 1846 cto->ct_senselen = sense_length; 1847 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1848 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1849 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1850 } else { 1851 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1852 } 1853 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1854 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1855 } 1856 addr = isp->isp_osinfo.ecmd_dma; 1857 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1858 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, 1859 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1860 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1861 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1862 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1863 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1864 } 1865 if (sense_length) { 1866 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__, 1867 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, 1868 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1869 } else { 1870 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1871 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1872 } 1873 atp->state = ATPD_STATE_LAST_CTIO; 1874 } 1875 1876 /* 1877 * Mode 0 data transfers, *possibly* with status. 1878 */ 1879 if (xfrlen != 0) { 1880 cto->ct_flags |= CT7_FLAG_MODE0; 1881 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1882 cto->ct_flags |= CT7_DATA_IN; 1883 } else { 1884 cto->ct_flags |= CT7_DATA_OUT; 1885 } 1886 1887 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1888 cto->rsp.m0.ct_xfrlen = xfrlen; 1889 1890 #ifdef DEBUG 1891 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1892 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1893 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1894 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1895 } 1896 #endif 1897 if (sendstatus) { 1898 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1899 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1900 cto->ct_flags |= CT7_SENDSTATUS; 1901 atp->state = ATPD_STATE_LAST_CTIO; 1902 if (fctape) { 1903 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1904 } 1905 } else { 1906 atp->sendst = 1; /* send status later */ 1907 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1908 atp->state = ATPD_STATE_CTIO; 1909 } 1910 } else { 1911 atp->state = ATPD_STATE_CTIO; 1912 } 1913 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__, 1914 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1915 } 1916 } else if (IS_FC(isp)) { 1917 ct2_entry_t *cto = (ct2_entry_t *) local; 1918 1919 if (isp->isp_osinfo.sixtyfourbit) 1920 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3; 1921 else 1922 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1923 cto->ct_header.rqs_entry_count = 1; 1924 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1925 ATPD_SET_SEQNO(cto, atp); 1926 if (ISP_CAP_2KLOGIN(isp)) { 1927 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl; 1928 } else { 1929 cto->ct_iid = atp->nphdl; 1930 if (ISP_CAP_SCCFW(isp) == 0) { 1931 cto->ct_lun = ccb->ccb_h.target_lun; 1932 } 1933 } 1934 cto->ct_timeout = 10; 1935 cto->ct_rxid = cso->tag_id; 1936 1937 /* 1938 * Mode 1, status, no data. Only possible when we are sending status, have 1939 * no data to transfer, and the sense length can fit in the ct7_entry. 1940 * 1941 * Mode 2, status, no data. We have to use this in the case the response 1942 * length won't fit into a ct2_entry_t. 1943 * 1944 * We'll fill out this structure with information as if this were a 1945 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1946 * needed based upon this. 1947 */ 1948 if (sendstatus && xfrlen == 0) { 1949 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1950 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1951 if (sense_length <= MAXRESPLEN) { 1952 if (resid < 0) { 1953 cto->ct_resid = -resid; 1954 } else if (resid > 0) { 1955 cto->ct_resid = resid; 1956 } 1957 cto->ct_flags |= CT2_FLAG_MODE1; 1958 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1959 if (resid < 0) { 1960 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1961 } else if (resid > 0) { 1962 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1963 } 1964 if (fctape) { 1965 cto->ct_flags |= CT2_CONFIRM; 1966 } 1967 if (sense_length) { 1968 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1969 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1970 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1971 } 1972 } else { 1973 bus_addr_t addr; 1974 char buf[XCMD_SIZE]; 1975 fcp_rsp_iu_t *rp; 1976 1977 if (atp->ests == NULL) { 1978 atp->ests = isp_get_ecmd(isp); 1979 if (atp->ests == NULL) { 1980 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1981 break; 1982 } 1983 } 1984 memset(buf, 0, sizeof (buf)); 1985 rp = (fcp_rsp_iu_t *)buf; 1986 if (fctape) { 1987 cto->ct_flags |= CT2_CONFIRM; 1988 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1989 } 1990 cto->ct_flags |= CT2_FLAG_MODE2; 1991 rp->fcp_rsp_scsi_status = cso->scsi_status; 1992 if (resid < 0) { 1993 rp->fcp_rsp_resid = -resid; 1994 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1995 } else if (resid > 0) { 1996 rp->fcp_rsp_resid = resid; 1997 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1998 } 1999 if (sense_length) { 2000 rp->fcp_rsp_snslen = sense_length; 2001 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 2002 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 2003 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 2004 } else { 2005 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 2006 } 2007 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 2008 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 2009 } 2010 addr = isp->isp_osinfo.ecmd_dma; 2011 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 2012 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, 2013 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 2014 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 2015 if (isp->isp_osinfo.sixtyfourbit) { 2016 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr); 2017 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr); 2018 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 2019 } else { 2020 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 2021 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 2022 } 2023 } 2024 if (sense_length) { 2025 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__, 2026 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, 2027 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 2028 } else { 2029 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, 2030 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid); 2031 } 2032 atp->state = ATPD_STATE_LAST_CTIO; 2033 } 2034 2035 if (xfrlen != 0) { 2036 cto->ct_flags |= CT2_FLAG_MODE0; 2037 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2038 cto->ct_flags |= CT2_DATA_IN; 2039 } else { 2040 cto->ct_flags |= CT2_DATA_OUT; 2041 } 2042 2043 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit; 2044 cto->rsp.m0.ct_xfrlen = xfrlen; 2045 2046 if (sendstatus) { 2047 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 2048 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) { 2049 cto->ct_flags |= CT2_SENDSTATUS; 2050 atp->state = ATPD_STATE_LAST_CTIO; 2051 if (fctape) { 2052 cto->ct_flags |= CT2_CONFIRM; 2053 } 2054 } else { 2055 atp->sendst = 1; /* send status later */ 2056 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 2057 atp->state = ATPD_STATE_CTIO; 2058 } 2059 } else { 2060 atp->state = ATPD_STATE_CTIO; 2061 } 2062 } 2063 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, 2064 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); 2065 } else { 2066 ct_entry_t *cto = (ct_entry_t *) local; 2067 2068 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO; 2069 cto->ct_header.rqs_entry_count = 1; 2070 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 2071 ATPD_SET_SEQNO(cto, atp); 2072 cto->ct_iid = cso->init_id; 2073 cto->ct_iid |= XS_CHANNEL(ccb) << 7; 2074 cto->ct_tgt = ccb->ccb_h.target_id; 2075 cto->ct_lun = ccb->ccb_h.target_lun; 2076 cto->ct_fwhandle = cso->tag_id; 2077 if (atp->rxid) { 2078 cto->ct_tag_val = atp->rxid; 2079 cto->ct_flags |= CT_TQAE; 2080 } 2081 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 2082 cto->ct_flags |= CT_NODISC; 2083 } 2084 if (cso->dxfer_len == 0) { 2085 cto->ct_flags |= CT_NO_DATA; 2086 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2087 cto->ct_flags |= CT_DATA_IN; 2088 } else { 2089 cto->ct_flags |= CT_DATA_OUT; 2090 } 2091 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 2092 cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR; 2093 cto->ct_scsi_status = cso->scsi_status; 2094 cto->ct_resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit - xfrlen; 2095 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d scsi status %x resid %d tag_id %x", __func__, 2096 cto->ct_fwhandle, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), cso->scsi_status, cso->resid, cso->tag_id); 2097 } 2098 ccb->ccb_h.flags &= ~CAM_SEND_SENSE; 2099 cto->ct_timeout = 10; 2100 } 2101 2102 if (isp_get_pcmd(isp, ccb)) { 2103 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 2104 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2105 break; 2106 } 2107 if (isp_allocate_xs_tgt(isp, ccb, &handle)) { 2108 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 2109 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2110 isp_free_pcmd(isp, ccb); 2111 break; 2112 } 2113 atp->bytes_in_transit += xfrlen; 2114 PISP_PCMD(ccb)->datalen = xfrlen; 2115 2116 2117 /* 2118 * Call the dma setup routines for this entry (and any subsequent 2119 * CTIOs) if there's data to move, and then tell the f/w it's got 2120 * new things to play with. As with isp_start's usage of DMA setup, 2121 * any swizzling is done in the machine dependent layer. Because 2122 * of this, we put the request onto the queue area first in native 2123 * format. 2124 */ 2125 2126 if (IS_24XX(isp)) { 2127 ct7_entry_t *cto = (ct7_entry_t *) local; 2128 cto->ct_syshandle = handle; 2129 } else if (IS_FC(isp)) { 2130 ct2_entry_t *cto = (ct2_entry_t *) local; 2131 cto->ct_syshandle = handle; 2132 } else { 2133 ct_entry_t *cto = (ct_entry_t *) local; 2134 cto->ct_syshandle = handle; 2135 } 2136 2137 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local); 2138 if (dmaresult != CMD_QUEUED) { 2139 isp_destroy_tgt_handle(isp, handle); 2140 isp_free_pcmd(isp, ccb); 2141 if (dmaresult == CMD_EAGAIN) { 2142 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2143 break; 2144 } 2145 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2146 xpt_done(ccb); 2147 continue; 2148 } 2149 isp->isp_nactive++; 2150 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 2151 if (xfrlen) { 2152 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 2153 } else { 2154 ccb->ccb_h.spriv_field0 = ~0; 2155 } 2156 atp->ctcnt++; 2157 atp->seqno++; 2158 } 2159 rls_lun_statep(isp, tptr); 2160 } 2161 2162 static void 2163 isp_refire_putback_atio(void *arg) 2164 { 2165 union ccb *ccb = arg; 2166 2167 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb)); 2168 isp_target_putback_atio(ccb); 2169 } 2170 2171 static void 2172 isp_refire_notify_ack(void *arg) 2173 { 2174 isp_tna_t *tp = arg; 2175 ispsoftc_t *isp = tp->isp; 2176 2177 ISP_ASSERT_LOCKED(isp); 2178 if (isp_notify_ack(isp, tp->not)) { 2179 callout_schedule(&tp->timer, 5); 2180 } else { 2181 free(tp, M_DEVBUF); 2182 } 2183 } 2184 2185 2186 static void 2187 isp_target_putback_atio(union ccb *ccb) 2188 { 2189 ispsoftc_t *isp; 2190 struct ccb_scsiio *cso; 2191 void *qe; 2192 2193 isp = XS_ISP(ccb); 2194 2195 qe = isp_getrqentry(isp); 2196 if (qe == NULL) { 2197 xpt_print(ccb->ccb_h.path, 2198 "%s: Request Queue Overflow\n", __func__); 2199 callout_reset(&PISP_PCMD(ccb)->wdog, 10, 2200 isp_refire_putback_atio, ccb); 2201 return; 2202 } 2203 memset(qe, 0, QENTRY_LEN); 2204 cso = &ccb->csio; 2205 if (IS_FC(isp)) { 2206 at2_entry_t local, *at = &local; 2207 ISP_MEMZERO(at, sizeof (at2_entry_t)); 2208 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 2209 at->at_header.rqs_entry_count = 1; 2210 if (ISP_CAP_SCCFW(isp)) { 2211 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 2212 } else { 2213 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 2214 } 2215 at->at_status = CT_OK; 2216 at->at_rxid = cso->tag_id; 2217 at->at_iid = cso->ccb_h.target_id; 2218 isp_put_atio2(isp, at, qe); 2219 } else { 2220 at_entry_t local, *at = &local; 2221 ISP_MEMZERO(at, sizeof (at_entry_t)); 2222 at->at_header.rqs_entry_type = RQSTYPE_ATIO; 2223 at->at_header.rqs_entry_count = 1; 2224 at->at_iid = cso->init_id; 2225 at->at_iid |= XS_CHANNEL(ccb) << 7; 2226 at->at_tgt = cso->ccb_h.target_id; 2227 at->at_lun = cso->ccb_h.target_lun; 2228 at->at_status = CT_OK; 2229 at->at_tag_val = AT_GET_TAG(cso->tag_id); 2230 at->at_handle = AT_GET_HANDLE(cso->tag_id); 2231 isp_put_atio(isp, at, qe); 2232 } 2233 ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe); 2234 ISP_SYNC_REQUEST(isp); 2235 isp_complete_ctio(ccb); 2236 } 2237 2238 static void 2239 isp_complete_ctio(union ccb *ccb) 2240 { 2241 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 2242 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2243 xpt_done(ccb); 2244 } 2245 } 2246 2247 /* 2248 * Handle ATIO stuff that the generic code can't. 2249 * This means handling CDBs. 2250 */ 2251 2252 static void 2253 isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep) 2254 { 2255 tstate_t *tptr; 2256 int status, bus; 2257 struct ccb_accept_tio *atiop; 2258 atio_private_data_t *atp; 2259 2260 /* 2261 * The firmware status (except for the QLTM_SVALID bit) 2262 * indicates why this ATIO was sent to us. 2263 * 2264 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 2265 * 2266 * If the DISCONNECTS DISABLED bit is set in the flags field, 2267 * we're still connected on the SCSI bus. 2268 */ 2269 status = aep->at_status; 2270 if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) { 2271 /* 2272 * Bus Phase Sequence error. We should have sense data 2273 * suggested by the f/w. I'm not sure quite yet what 2274 * to do about this for CAM. 2275 */ 2276 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR"); 2277 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2278 return; 2279 } 2280 if ((status & ~QLTM_SVALID) != AT_CDB) { 2281 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", status); 2282 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2283 return; 2284 } 2285 2286 bus = GET_BUS_VAL(aep->at_iid); 2287 tptr = get_lun_statep(isp, bus, aep->at_lun); 2288 if (tptr == NULL) { 2289 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 2290 if (tptr == NULL) { 2291 /* 2292 * Because we can't autofeed sense data back with 2293 * a command for parallel SCSI, we can't give back 2294 * a CHECK CONDITION. We'll give back a BUSY status 2295 * instead. This works out okay because the only 2296 * time we should, in fact, get this, is in the 2297 * case that somebody configured us without the 2298 * blackhole driver, so they get what they deserve. 2299 */ 2300 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2301 return; 2302 } 2303 } 2304 2305 atp = isp_get_atpd(isp, tptr, aep->at_handle); 2306 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2307 if (atiop == NULL || atp == NULL) { 2308 /* 2309 * Because we can't autofeed sense data back with 2310 * a command for parallel SCSI, we can't give back 2311 * a CHECK CONDITION. We'll give back a QUEUE FULL status 2312 * instead. This works out okay because the only time we 2313 * should, in fact, get this, is in the case that we've 2314 * run out of ATIOS. 2315 */ 2316 xpt_print(tptr->owner, "no %s for lun %d from initiator %d\n", (atp == NULL && atiop == NULL)? "ATIOs *or* ATPS" : 2317 ((atp == NULL)? "ATPs" : "ATIOs"), aep->at_lun, aep->at_iid); 2318 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2319 if (atp) { 2320 isp_put_atpd(isp, tptr, atp); 2321 } 2322 rls_lun_statep(isp, tptr); 2323 return; 2324 } 2325 atp->rxid = aep->at_tag_val; 2326 atp->state = ATPD_STATE_ATIO; 2327 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2328 tptr->atio_count--; 2329 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count); 2330 atiop->ccb_h.target_id = aep->at_tgt; 2331 atiop->ccb_h.target_lun = aep->at_lun; 2332 if (aep->at_flags & AT_NODISC) { 2333 atiop->ccb_h.flags |= CAM_DIS_DISCONNECT; 2334 } else { 2335 atiop->ccb_h.flags &= ~CAM_DIS_DISCONNECT; 2336 } 2337 2338 if (status & QLTM_SVALID) { 2339 size_t amt = ISP_MIN(QLTM_SENSELEN, sizeof (atiop->sense_data)); 2340 atiop->sense_len = amt; 2341 ISP_MEMCPY(&atiop->sense_data, aep->at_sense, amt); 2342 } else { 2343 atiop->sense_len = 0; 2344 } 2345 2346 atiop->init_id = GET_IID_VAL(aep->at_iid); 2347 atiop->cdb_len = aep->at_cdblen; 2348 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen); 2349 atiop->ccb_h.status = CAM_CDB_RECVD; 2350 /* 2351 * Construct a tag 'id' based upon tag value (which may be 0..255) 2352 * and the handle (which we have to preserve). 2353 */ 2354 atiop->tag_id = atp->tag; 2355 if (aep->at_flags & AT_TQAE) { 2356 atiop->tag_action = aep->at_tag_type; 2357 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID; 2358 } 2359 atp->orig_datalen = 0; 2360 atp->bytes_xfered = 0; 2361 atp->lun = aep->at_lun; 2362 atp->nphdl = aep->at_iid; 2363 atp->portid = PORT_NONE; 2364 atp->oxid = 0; 2365 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 2366 atp->tattr = aep->at_tag_type; 2367 atp->state = ATPD_STATE_CAM; 2368 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO[0x%x] CDB=0x%x lun %d", aep->at_tag_val, atp->cdb0, atp->lun); 2369 rls_lun_statep(isp, tptr); 2370 } 2371 2372 static void 2373 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep) 2374 { 2375 lun_id_t lun; 2376 fcportdb_t *lp; 2377 tstate_t *tptr; 2378 struct ccb_accept_tio *atiop; 2379 uint16_t nphdl; 2380 atio_private_data_t *atp; 2381 inot_private_data_t *ntp; 2382 2383 /* 2384 * The firmware status (except for the QLTM_SVALID bit) 2385 * indicates why this ATIO was sent to us. 2386 * 2387 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 2388 */ 2389 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 2390 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status); 2391 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2392 return; 2393 } 2394 2395 if (ISP_CAP_SCCFW(isp)) { 2396 lun = aep->at_scclun; 2397 } else { 2398 lun = aep->at_lun; 2399 } 2400 if (ISP_CAP_2KLOGIN(isp)) { 2401 nphdl = ((at2e_entry_t *)aep)->at_iid; 2402 } else { 2403 nphdl = aep->at_iid; 2404 } 2405 tptr = get_lun_statep(isp, 0, lun); 2406 if (tptr == NULL) { 2407 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 2408 if (tptr == NULL) { 2409 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun); 2410 if (lun == 0) { 2411 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2412 } else { 2413 isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 2414 } 2415 return; 2416 } 2417 } 2418 2419 /* 2420 * Start any commands pending resources first. 2421 */ 2422 if (tptr->restart_queue) { 2423 inot_private_data_t *restart_queue = tptr->restart_queue; 2424 tptr->restart_queue = NULL; 2425 while (restart_queue) { 2426 ntp = restart_queue; 2427 restart_queue = ntp->rd.nt.nt_hba; 2428 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid); 2429 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data); 2430 isp_put_ntpd(isp, tptr, ntp); 2431 /* 2432 * If a recursion caused the restart queue to start to fill again, 2433 * stop and splice the new list on top of the old list and restore 2434 * it and go to noresrc. 2435 */ 2436 if (tptr->restart_queue) { 2437 ntp = tptr->restart_queue; 2438 tptr->restart_queue = restart_queue; 2439 while (restart_queue->rd.nt.nt_hba) { 2440 restart_queue = restart_queue->rd.nt.nt_hba; 2441 } 2442 restart_queue->rd.nt.nt_hba = ntp; 2443 goto noresrc; 2444 } 2445 } 2446 } 2447 2448 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2449 if (atiop == NULL) { 2450 goto noresrc; 2451 } 2452 2453 atp = isp_get_atpd(isp, tptr, aep->at_rxid); 2454 if (atp == NULL) { 2455 goto noresrc; 2456 } 2457 2458 atp->state = ATPD_STATE_ATIO; 2459 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2460 tptr->atio_count--; 2461 isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count); 2462 atiop->ccb_h.target_id = FCPARAM(isp, 0)->isp_loopid; 2463 atiop->ccb_h.target_lun = lun; 2464 2465 /* 2466 * We don't get 'suggested' sense data as we do with SCSI cards. 2467 */ 2468 atiop->sense_len = 0; 2469 2470 /* 2471 * If we're not in the port database, add ourselves. 2472 */ 2473 if (IS_2100(isp)) 2474 atiop->init_id = nphdl; 2475 else { 2476 if ((isp_find_pdb_by_handle(isp, 0, nphdl, &lp) == 0 || 2477 lp->state == FC_PORTDB_STATE_ZOMBIE)) { 2478 uint64_t iid = 2479 (((uint64_t) aep->at_wwpn[0]) << 48) | 2480 (((uint64_t) aep->at_wwpn[1]) << 32) | 2481 (((uint64_t) aep->at_wwpn[2]) << 16) | 2482 (((uint64_t) aep->at_wwpn[3]) << 0); 2483 isp_add_wwn_entry(isp, 0, iid, nphdl, PORT_ANY, 0); 2484 isp_find_pdb_by_handle(isp, 0, nphdl, &lp); 2485 } 2486 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp); 2487 } 2488 atiop->cdb_len = ATIO2_CDBLEN; 2489 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 2490 atiop->ccb_h.status = CAM_CDB_RECVD; 2491 atiop->tag_id = atp->tag; 2492 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 2493 case ATIO2_TC_ATTR_SIMPLEQ: 2494 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2495 atiop->tag_action = MSG_SIMPLE_Q_TAG; 2496 break; 2497 case ATIO2_TC_ATTR_HEADOFQ: 2498 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2499 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 2500 break; 2501 case ATIO2_TC_ATTR_ORDERED: 2502 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2503 atiop->tag_action = MSG_ORDERED_Q_TAG; 2504 break; 2505 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 2506 case ATIO2_TC_ATTR_UNTAGGED: 2507 default: 2508 atiop->tag_action = 0; 2509 break; 2510 } 2511 2512 atp->orig_datalen = aep->at_datalen; 2513 atp->bytes_xfered = 0; 2514 atp->lun = lun; 2515 atp->nphdl = nphdl; 2516 atp->sid = PORT_ANY; 2517 atp->oxid = aep->at_oxid; 2518 atp->cdb0 = aep->at_cdb[0]; 2519 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 2520 atp->state = ATPD_STATE_CAM; 2521 xpt_done((union ccb *)atiop); 2522 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); 2523 rls_lun_statep(isp, tptr); 2524 return; 2525 noresrc: 2526 ntp = isp_get_ntpd(isp, tptr); 2527 if (ntp == NULL) { 2528 rls_lun_statep(isp, tptr); 2529 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 2530 return; 2531 } 2532 memcpy(ntp->rd.data, aep, QENTRY_LEN); 2533 ntp->rd.nt.nt_hba = tptr->restart_queue; 2534 tptr->restart_queue = ntp; 2535 rls_lun_statep(isp, tptr); 2536 } 2537 2538 static void 2539 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 2540 { 2541 int cdbxlen; 2542 uint16_t lun, chan, nphdl = NIL_HANDLE; 2543 uint32_t did, sid; 2544 fcportdb_t *lp; 2545 tstate_t *tptr; 2546 struct ccb_accept_tio *atiop; 2547 atio_private_data_t *atp = NULL; 2548 atio_private_data_t *oatp; 2549 inot_private_data_t *ntp; 2550 2551 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 2552 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2553 lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | aep->at_cmnd.fcp_cmnd_lun[1]; 2554 2555 /* 2556 * Find the N-port handle, and Virtual Port Index for this command. 2557 * 2558 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information. 2559 * We also, as a matter of course, need to know the WWN of the initiator too. 2560 */ 2561 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 2562 /* 2563 * Find the right channel based upon D_ID 2564 */ 2565 isp_find_chan_by_did(isp, did, &chan); 2566 2567 if (chan == ISP_NOCHAN) { 2568 NANOTIME_T now; 2569 2570 /* 2571 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup 2572 * It's a bit tricky here as we need to stash this command *somewhere*. 2573 */ 2574 GET_NANOTIME(&now); 2575 if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) { 2576 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did); 2577 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 2578 return; 2579 } 2580 tptr = get_lun_statep(isp, 0, 0); 2581 if (tptr == NULL) { 2582 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 2583 if (tptr == NULL) { 2584 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); 2585 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 2586 return; 2587 } 2588 } 2589 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did); 2590 goto noresrc; 2591 } 2592 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); 2593 } else { 2594 chan = 0; 2595 } 2596 2597 /* 2598 * Find the PDB entry for this initiator 2599 */ 2600 if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) { 2601 /* 2602 * If we're not in the port database terminate the exchange. 2603 */ 2604 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", 2605 __func__, aep->at_rxid, did, chan, sid); 2606 isp_dump_portdb(isp, chan); 2607 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 2608 return; 2609 } 2610 nphdl = lp->handle; 2611 2612 /* 2613 * Get the tstate pointer 2614 */ 2615 tptr = get_lun_statep(isp, chan, lun); 2616 if (tptr == NULL) { 2617 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 2618 if (tptr == NULL) { 2619 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun); 2620 if (lun == 0) { 2621 isp_endcmd(isp, aep, nphdl, SCSI_STATUS_BUSY, 0); 2622 } else { 2623 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 2624 } 2625 return; 2626 } 2627 } 2628 2629 /* 2630 * Start any commands pending resources first. 2631 */ 2632 if (tptr->restart_queue) { 2633 inot_private_data_t *restart_queue = tptr->restart_queue; 2634 tptr->restart_queue = NULL; 2635 while (restart_queue) { 2636 ntp = restart_queue; 2637 restart_queue = ntp->rd.nt.nt_hba; 2638 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid); 2639 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data); 2640 isp_put_ntpd(isp, tptr, ntp); 2641 /* 2642 * If a recursion caused the restart queue to start to fill again, 2643 * stop and splice the new list on top of the old list and restore 2644 * it and go to noresrc. 2645 */ 2646 if (tptr->restart_queue) { 2647 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restart queue refilling", __func__); 2648 if (restart_queue) { 2649 ntp = tptr->restart_queue; 2650 tptr->restart_queue = restart_queue; 2651 while (restart_queue->rd.nt.nt_hba) { 2652 restart_queue = restart_queue->rd.nt.nt_hba; 2653 } 2654 restart_queue->rd.nt.nt_hba = ntp; 2655 } 2656 goto noresrc; 2657 } 2658 } 2659 } 2660 2661 /* 2662 * If the f/w is out of resources, just send a BUSY status back. 2663 */ 2664 if (aep->at_rxid == AT7_NORESRC_RXID) { 2665 rls_lun_statep(isp, tptr); 2666 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 2667 return; 2668 } 2669 2670 /* 2671 * If we're out of resources, just send a BUSY status back. 2672 */ 2673 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2674 if (atiop == NULL) { 2675 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 2676 goto noresrc; 2677 } 2678 2679 oatp = isp_find_atpd(isp, tptr, aep->at_rxid); 2680 if (oatp) { 2681 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", 2682 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 2683 /* 2684 * It's not a "no resource" condition- but we can treat it like one 2685 */ 2686 goto noresrc; 2687 } 2688 atp = isp_get_atpd(isp, tptr, aep->at_rxid); 2689 if (atp == NULL) { 2690 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 2691 goto noresrc; 2692 } 2693 atp->word3 = lp->prli_word3; 2694 atp->state = ATPD_STATE_ATIO; 2695 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2696 tptr->atio_count--; 2697 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count); 2698 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 2699 atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid; 2700 atiop->ccb_h.target_lun = lun; 2701 atiop->sense_len = 0; 2702 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 2703 if (cdbxlen) { 2704 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 2705 } 2706 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 2707 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 2708 atiop->cdb_len = cdbxlen; 2709 atiop->ccb_h.status = CAM_CDB_RECVD; 2710 atiop->tag_id = atp->tag; 2711 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 2712 case FCP_CMND_TASK_ATTR_SIMPLE: 2713 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2714 atiop->tag_action = MSG_SIMPLE_Q_TAG; 2715 break; 2716 case FCP_CMND_TASK_ATTR_HEAD: 2717 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2718 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 2719 break; 2720 case FCP_CMND_TASK_ATTR_ORDERED: 2721 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2722 atiop->tag_action = MSG_ORDERED_Q_TAG; 2723 break; 2724 default: 2725 /* FALLTHROUGH */ 2726 case FCP_CMND_TASK_ATTR_ACA: 2727 case FCP_CMND_TASK_ATTR_UNTAGGED: 2728 atiop->tag_action = 0; 2729 break; 2730 } 2731 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 2732 atp->bytes_xfered = 0; 2733 atp->lun = lun; 2734 atp->nphdl = nphdl; 2735 atp->portid = sid; 2736 atp->oxid = aep->at_hdr.ox_id; 2737 atp->rxid = aep->at_hdr.rx_id; 2738 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 2739 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 2740 atp->state = ATPD_STATE_CAM; 2741 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen); 2742 xpt_done((union ccb *)atiop); 2743 rls_lun_statep(isp, tptr); 2744 return; 2745 noresrc: 2746 if (atp) { 2747 isp_put_atpd(isp, tptr, atp); 2748 } 2749 ntp = isp_get_ntpd(isp, tptr); 2750 if (ntp == NULL) { 2751 rls_lun_statep(isp, tptr); 2752 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 2753 return; 2754 } 2755 memcpy(ntp->rd.data, aep, QENTRY_LEN); 2756 ntp->rd.nt.nt_hba = tptr->restart_queue; 2757 tptr->restart_queue = ntp; 2758 rls_lun_statep(isp, tptr); 2759 } 2760 2761 2762 /* 2763 * Handle starting an SRR (sequence retransmit request) 2764 * We get here when we've gotten the immediate notify 2765 * and the return of all outstanding CTIOs for this 2766 * transaction. 2767 */ 2768 static void 2769 isp_handle_srr_start(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp) 2770 { 2771 in_fcentry_24xx_t *inot; 2772 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 2773 union ccb *ccb; 2774 2775 inot = (in_fcentry_24xx_t *)atp->srr; 2776 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 2777 ccb = atp->srr_ccb; 2778 atp->srr_ccb = NULL; 2779 atp->nsrr++; 2780 if (ccb == NULL) { 2781 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 2782 goto fail; 2783 } 2784 2785 ccb_off = ccb->ccb_h.spriv_field0; 2786 ccb_len = ccb->csio.dxfer_len; 2787 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 2788 2789 switch (inot->in_srr_iu) { 2790 case R_CTL_INFO_SOLICITED_DATA: 2791 /* 2792 * We have to restart a FCP_DATA data out transaction 2793 */ 2794 atp->sendst = 0; 2795 atp->bytes_xfered = srr_off; 2796 if (ccb_len == 0) { 2797 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 2798 goto mdp; 2799 } 2800 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 2801 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); 2802 goto mdp; 2803 } 2804 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); 2805 break; 2806 case R_CTL_INFO_COMMAND_STATUS: 2807 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 2808 atp->sendst = 1; 2809 /* 2810 * We have to restart a FCP_RSP IU transaction 2811 */ 2812 break; 2813 case R_CTL_INFO_DATA_DESCRIPTOR: 2814 /* 2815 * We have to restart an FCP DATA in transaction 2816 */ 2817 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 2818 goto fail; 2819 2820 default: 2821 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 2822 goto fail; 2823 } 2824 2825 /* 2826 * We can't do anything until this is acked, so we might as well start it now. 2827 * We aren't going to do the usual asynchronous ack issue because we need 2828 * to make sure this gets on the wire first. 2829 */ 2830 if (isp_notify_ack(isp, inot)) { 2831 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2832 goto fail; 2833 } 2834 isp_target_start_ctio(isp, ccb, FROM_SRR); 2835 return; 2836 fail: 2837 inot->in_reserved = 1; 2838 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2839 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2840 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2841 isp_complete_ctio(ccb); 2842 return; 2843 mdp: 2844 if (isp_notify_ack(isp, inot)) { 2845 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2846 goto fail; 2847 } 2848 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2849 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2850 /* 2851 * This is not a strict interpretation of MDP, but it's close 2852 */ 2853 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2854 ccb->csio.msg_len = 7; 2855 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2856 ccb->csio.msg_ptr[1] = 5; 2857 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2858 ccb->csio.msg_ptr[3] = srr_off >> 24; 2859 ccb->csio.msg_ptr[4] = srr_off >> 16; 2860 ccb->csio.msg_ptr[5] = srr_off >> 8; 2861 ccb->csio.msg_ptr[6] = srr_off; 2862 isp_complete_ctio(ccb); 2863 } 2864 2865 2866 static void 2867 isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw) 2868 { 2869 tstate_t *tptr; 2870 in_fcentry_24xx_t *inot = inot_raw; 2871 atio_private_data_t *atp; 2872 uint32_t tag = inot->in_rxid; 2873 uint32_t bus = inot->in_vpidx; 2874 2875 if (!IS_24XX(isp)) { 2876 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw); 2877 return; 2878 } 2879 2880 tptr = get_lun_statep_from_tag(isp, bus, tag); 2881 if (tptr == NULL) { 2882 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x in SRR Notify", __func__, tag); 2883 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2884 return; 2885 } 2886 atp = isp_find_atpd(isp, tptr, tag); 2887 if (atp == NULL) { 2888 rls_lun_statep(isp, tptr); 2889 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag); 2890 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2891 return; 2892 } 2893 atp->srr_notify_rcvd = 1; 2894 memcpy(atp->srr, inot, sizeof (atp->srr)); 2895 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, 2896 inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16)); 2897 if (atp->srr_ccb) 2898 isp_handle_srr_start(isp, tptr, atp); 2899 rls_lun_statep(isp, tptr); 2900 } 2901 2902 static void 2903 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2904 { 2905 union ccb *ccb; 2906 int sentstatus = 0, ok = 0, notify_cam = 0, resid = 0, failure = 0; 2907 tstate_t *tptr = NULL; 2908 atio_private_data_t *atp = NULL; 2909 int bus; 2910 uint32_t handle, moved_data = 0, data_requested; 2911 2912 /* 2913 * CTIO handles are 16 bits. 2914 * CTIO2 and CTIO7 are 32 bits. 2915 */ 2916 2917 if (IS_SCSI(isp)) { 2918 handle = ((ct_entry_t *)arg)->ct_syshandle; 2919 } else { 2920 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2921 } 2922 ccb = isp_find_xs_tgt(isp, handle); 2923 if (ccb == NULL) { 2924 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2925 return; 2926 } 2927 isp_destroy_tgt_handle(isp, handle); 2928 data_requested = PISP_PCMD(ccb)->datalen; 2929 isp_free_pcmd(isp, ccb); 2930 if (isp->isp_nactive) { 2931 isp->isp_nactive--; 2932 } 2933 2934 bus = XS_CHANNEL(ccb); 2935 tptr = get_lun_statep(isp, bus, XS_LUN(ccb)); 2936 if (tptr == NULL) { 2937 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 2938 } 2939 if (tptr == NULL) { 2940 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x after I/O", __func__, ccb->csio.tag_id); 2941 return; 2942 } 2943 2944 if (IS_24XX(isp)) { 2945 atp = isp_find_atpd(isp, tptr, ((ct7_entry_t *)arg)->ct_rxid); 2946 } else if (IS_FC(isp)) { 2947 atp = isp_find_atpd(isp, tptr, ((ct2_entry_t *)arg)->ct_rxid); 2948 } else { 2949 atp = isp_find_atpd(isp, tptr, ((ct_entry_t *)arg)->ct_fwhandle); 2950 } 2951 if (atp == NULL) { 2952 /* 2953 * XXX: isp_clear_commands() generates fake CTIO with zero 2954 * ct_rxid value, filling only ct_syshandle. Workaround 2955 * that using tag_id from the CCB, pointed by ct_syshandle. 2956 */ 2957 atp = isp_find_atpd(isp, tptr, ccb->csio.tag_id); 2958 } 2959 if (atp == NULL) { 2960 rls_lun_statep(isp, tptr); 2961 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2962 return; 2963 } 2964 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2965 atp->bytes_in_transit -= data_requested; 2966 atp->ctcnt -= 1; 2967 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2968 2969 if (IS_24XX(isp)) { 2970 ct7_entry_t *ct = arg; 2971 2972 if (ct->ct_nphdl == CT7_SRR) { 2973 atp->srr_ccb = ccb; 2974 if (atp->srr_notify_rcvd) 2975 isp_handle_srr_start(isp, tptr, atp); 2976 rls_lun_statep(isp, tptr); 2977 return; 2978 } 2979 if (ct->ct_nphdl == CT_HBA_RESET) { 2980 failure = CAM_UNREC_HBA_ERROR; 2981 } else { 2982 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 2983 ok = (ct->ct_nphdl == CT7_OK); 2984 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2985 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) { 2986 resid = ct->ct_resid; 2987 moved_data = data_requested - resid; 2988 } 2989 } 2990 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), 2991 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2992 } else if (IS_FC(isp)) { 2993 ct2_entry_t *ct = arg; 2994 if (ct->ct_status == CT_SRR) { 2995 atp->srr_ccb = ccb; 2996 if (atp->srr_notify_rcvd) 2997 isp_handle_srr_start(isp, tptr, atp); 2998 rls_lun_statep(isp, tptr); 2999 isp_target_putback_atio(ccb); 3000 return; 3001 } 3002 if (ct->ct_status == CT_HBA_RESET) { 3003 failure = CAM_UNREC_HBA_ERROR; 3004 } else { 3005 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 3006 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 3007 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 3008 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) { 3009 resid = ct->ct_resid; 3010 moved_data = data_requested - resid; 3011 } 3012 } 3013 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), 3014 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 3015 } else { 3016 ct_entry_t *ct = arg; 3017 3018 if (ct->ct_status == (CT_HBA_RESET & 0xff)) { 3019 failure = CAM_UNREC_HBA_ERROR; 3020 } else { 3021 sentstatus = ct->ct_flags & CT_SENDSTATUS; 3022 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 3023 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 3024 } 3025 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) { 3026 resid = ct->ct_resid; 3027 moved_data = data_requested - resid; 3028 } 3029 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d tag %x S_ID 0x%x lun %d sts %x flg %x resid %d %s", __func__, ct->ct_fwhandle, ATPD_GET_SEQNO(ct), 3030 notify_cam, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID"); 3031 } 3032 if (ok) { 3033 if (moved_data) { 3034 atp->bytes_xfered += moved_data; 3035 ccb->csio.resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 3036 } 3037 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) { 3038 ccb->ccb_h.status |= CAM_SENT_SENSE; 3039 } 3040 ccb->ccb_h.status |= CAM_REQ_CMP; 3041 } else { 3042 notify_cam = 1; 3043 if (failure == CAM_UNREC_HBA_ERROR) 3044 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 3045 else 3046 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 3047 } 3048 atp->state = ATPD_STATE_PDON; 3049 rls_lun_statep(isp, tptr); 3050 3051 /* 3052 * We never *not* notify CAM when there has been any error (ok == 0), 3053 * so we never need to do an ATIO putback if we're not notifying CAM. 3054 */ 3055 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 3056 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 3057 if (notify_cam == 0) { 3058 if (atp->sendst) { 3059 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 3060 } 3061 return; 3062 } 3063 3064 /* 3065 * We're telling CAM we're done with this CTIO transaction. 3066 * 3067 * 24XX cards never need an ATIO put back. 3068 * 3069 * Other cards need one put back only on error. 3070 * In the latter case, a timeout will re-fire 3071 * and try again in case we didn't have 3072 * queue resources to do so at first. In any case, 3073 * once the putback is done we do the completion 3074 * call. 3075 */ 3076 if (ok || IS_24XX(isp)) { 3077 isp_complete_ctio(ccb); 3078 } else { 3079 isp_target_putback_atio(ccb); 3080 } 3081 } 3082 3083 static void 3084 isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot) 3085 { 3086 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3087 } 3088 3089 static void 3090 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp) 3091 { 3092 int needack = 1; 3093 switch (inp->in_status) { 3094 case IN_PORT_LOGOUT: 3095 /* 3096 * XXX: Need to delete this initiator's WWN from the database 3097 * XXX: Need to send this LOGOUT upstream 3098 */ 3099 isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid); 3100 break; 3101 case IN_PORT_CHANGED: 3102 isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid); 3103 break; 3104 case IN_GLOBAL_LOGO: 3105 isp_del_all_wwn_entries(isp, 0); 3106 isp_prt(isp, ISP_LOGINFO, "all ports logged out"); 3107 break; 3108 case IN_ABORT_TASK: 3109 { 3110 tstate_t *tptr; 3111 uint16_t lun; 3112 uint32_t loopid, sid; 3113 uint64_t wwn; 3114 atio_private_data_t *atp; 3115 fcportdb_t *lp; 3116 struct ccb_immediate_notify *inot = NULL; 3117 3118 if (ISP_CAP_SCCFW(isp)) { 3119 lun = inp->in_scclun; 3120 } else { 3121 lun = inp->in_lun; 3122 } 3123 if (ISP_CAP_2KLOGIN(isp)) { 3124 loopid = ((in_fcentry_e_t *)inp)->in_iid; 3125 } else { 3126 loopid = inp->in_iid; 3127 } 3128 if (isp_find_pdb_by_handle(isp, 0, loopid, &lp)) { 3129 wwn = lp->port_wwn; 3130 sid = lp->portid; 3131 } else { 3132 wwn = INI_ANY; 3133 sid = PORT_ANY; 3134 } 3135 tptr = get_lun_statep(isp, 0, lun); 3136 if (tptr == NULL) { 3137 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 3138 if (tptr == NULL) { 3139 isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun); 3140 return; 3141 } 3142 } 3143 atp = isp_find_atpd(isp, tptr, inp->in_seqid); 3144 3145 if (atp) { 3146 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 3147 isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state); 3148 if (inot) { 3149 tptr->inot_count--; 3150 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 3151 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count); 3152 } else { 3153 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "out of INOT structures\n"); 3154 } 3155 } else { 3156 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn); 3157 } 3158 if (inot) { 3159 isp_notify_t tmp, *nt = &tmp; 3160 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 3161 nt->nt_hba = isp; 3162 nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn; 3163 nt->nt_wwn = wwn; 3164 nt->nt_nphdl = loopid; 3165 nt->nt_sid = sid; 3166 nt->nt_did = PORT_ANY; 3167 nt->nt_lun = lun; 3168 nt->nt_need_ack = 1; 3169 nt->nt_channel = 0; 3170 nt->nt_ncode = NT_ABORT_TASK; 3171 nt->nt_lreserved = inot; 3172 isp_handle_platform_target_tmf(isp, nt); 3173 needack = 0; 3174 } 3175 rls_lun_statep(isp, tptr); 3176 break; 3177 } 3178 default: 3179 break; 3180 } 3181 if (needack) { 3182 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp); 3183 } 3184 } 3185 3186 static void 3187 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot) 3188 { 3189 uint16_t nphdl; 3190 uint16_t prli_options = 0; 3191 uint32_t portid; 3192 fcportdb_t *lp; 3193 uint8_t *ptr = NULL; 3194 uint64_t wwn; 3195 3196 nphdl = inot->in_nphdl; 3197 if (nphdl != NIL_HANDLE) { 3198 portid = inot->in_portid_hi << 16 | inot->in_portid_lo; 3199 } else { 3200 portid = PORT_ANY; 3201 } 3202 3203 switch (inot->in_status) { 3204 case IN24XX_ELS_RCVD: 3205 { 3206 char buf[16], *msg; 3207 int chan = ISP_GET_VPIDX(isp, inot->in_vpidx); 3208 3209 /* 3210 * Note that we're just getting notification that an ELS was received 3211 * (possibly with some associated information sent upstream). This is 3212 * *not* the same as being given the ELS frame to accept or reject. 3213 */ 3214 switch (inot->in_status_subcode) { 3215 case LOGO: 3216 msg = "LOGO"; 3217 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) { 3218 ptr = (uint8_t *)inot; /* point to unswizzled entry! */ 3219 wwn = (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF]) << 56) | 3220 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+1]) << 48) | 3221 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+2]) << 40) | 3222 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+3]) << 32) | 3223 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+4]) << 24) | 3224 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+5]) << 16) | 3225 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+6]) << 8) | 3226 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+7])); 3227 } else { 3228 wwn = INI_ANY; 3229 } 3230 isp_del_wwn_entry(isp, chan, wwn, nphdl, portid); 3231 break; 3232 case PRLO: 3233 msg = "PRLO"; 3234 break; 3235 case PLOGI: 3236 case PRLI: 3237 /* 3238 * Treat PRLI the same as PLOGI and make a database entry for it. 3239 */ 3240 if (inot->in_status_subcode == PLOGI) { 3241 msg = "PLOGI"; 3242 } else { 3243 prli_options = inot->in_prli_options; 3244 msg = "PRLI"; 3245 } 3246 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) { 3247 ptr = (uint8_t *)inot; /* point to unswizzled entry! */ 3248 wwn = (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF]) << 56) | 3249 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+1]) << 48) | 3250 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+2]) << 40) | 3251 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+3]) << 32) | 3252 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+4]) << 24) | 3253 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+5]) << 16) | 3254 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+6]) << 8) | 3255 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+7])); 3256 } else { 3257 wwn = INI_NONE; 3258 } 3259 isp_add_wwn_entry(isp, chan, wwn, nphdl, portid, prli_options); 3260 break; 3261 case PDISC: 3262 msg = "PDISC"; 3263 break; 3264 case ADISC: 3265 msg = "ADISC"; 3266 break; 3267 default: 3268 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode); 3269 msg = buf; 3270 break; 3271 } 3272 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) { 3273 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); 3274 break; 3275 } 3276 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, 3277 inot->in_rxid, inot->in_oxid); 3278 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3279 break; 3280 } 3281 3282 case IN24XX_PORT_LOGOUT: 3283 ptr = "PORT LOGOUT"; 3284 if (isp_find_pdb_by_handle(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) { 3285 isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid); 3286 } 3287 /* FALLTHROUGH */ 3288 case IN24XX_PORT_CHANGED: 3289 if (ptr == NULL) { 3290 ptr = "PORT CHANGED"; 3291 } 3292 /* FALLTHROUGH */ 3293 case IN24XX_LIP_RESET: 3294 if (ptr == NULL) { 3295 ptr = "LIP RESET"; 3296 } 3297 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for N-port handle 0x%x", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr, inot->in_status_subcode, nphdl); 3298 3299 /* 3300 * All subcodes here are irrelevant. What is relevant 3301 * is that we need to terminate all active commands from 3302 * this initiator (known by N-port handle). 3303 */ 3304 /* XXX IMPLEMENT XXX */ 3305 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3306 break; 3307 3308 case IN24XX_SRR_RCVD: 3309 #ifdef ISP_TARGET_MODE 3310 isp_handle_srr_notify(isp, inot); 3311 break; 3312 #else 3313 if (ptr == NULL) { 3314 ptr = "SRR RCVD"; 3315 } 3316 /* FALLTHROUGH */ 3317 #endif 3318 case IN24XX_LINK_RESET: 3319 if (ptr == NULL) { 3320 ptr = "LINK RESET"; 3321 } 3322 case IN24XX_LINK_FAILED: 3323 if (ptr == NULL) { 3324 ptr = "LINK FAILED"; 3325 } 3326 default: 3327 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr); 3328 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3329 break; 3330 } 3331 } 3332 3333 static int 3334 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp) 3335 { 3336 3337 if (isp->isp_state != ISP_RUNSTATE) { 3338 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 3339 return (0); 3340 } 3341 3342 /* 3343 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 3344 */ 3345 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 3346 ct7_entry_t local, *cto = &local; 3347 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 3348 fcportdb_t *lp; 3349 uint32_t sid; 3350 uint16_t nphdl; 3351 3352 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 3353 if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) { 3354 nphdl = lp->handle; 3355 } else { 3356 nphdl = NIL_HANDLE; 3357 } 3358 ISP_MEMZERO(&local, sizeof (local)); 3359 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 3360 cto->ct_header.rqs_entry_count = 1; 3361 cto->ct_nphdl = nphdl; 3362 cto->ct_rxid = aep->at_rxid; 3363 cto->ct_vpidx = mp->nt_channel; 3364 cto->ct_iid_lo = sid; 3365 cto->ct_iid_hi = sid >> 16; 3366 cto->ct_oxid = aep->at_hdr.ox_id; 3367 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 3368 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 3369 return (isp_target_put_entry(isp, &local)); 3370 } 3371 3372 /* 3373 * This case is for a responding to an ABTS frame 3374 */ 3375 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 3376 3377 /* 3378 * Overload nt_need_ack here to mark whether we've terminated the associated command. 3379 */ 3380 if (mp->nt_need_ack) { 3381 uint8_t storage[QENTRY_LEN]; 3382 ct7_entry_t *cto = (ct7_entry_t *) storage; 3383 abts_t *abts = (abts_t *)mp->nt_lreserved; 3384 3385 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 3386 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 3387 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 3388 cto->ct_header.rqs_entry_count = 1; 3389 cto->ct_nphdl = mp->nt_nphdl; 3390 cto->ct_rxid = abts->abts_rxid_task; 3391 cto->ct_iid_lo = mp->nt_sid; 3392 cto->ct_iid_hi = mp->nt_sid >> 16; 3393 cto->ct_oxid = abts->abts_ox_id; 3394 cto->ct_vpidx = mp->nt_channel; 3395 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 3396 if (isp_target_put_entry(isp, cto)) { 3397 return (ENOMEM); 3398 } 3399 mp->nt_need_ack = 0; 3400 } 3401 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 3402 return (ENOMEM); 3403 } else { 3404 return (0); 3405 } 3406 } 3407 3408 /* 3409 * Handle logout cases here 3410 */ 3411 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 3412 isp_del_all_wwn_entries(isp, mp->nt_channel); 3413 } 3414 3415 if (mp->nt_ncode == NT_LOGOUT) { 3416 if (!IS_2100(isp) && IS_FC(isp)) { 3417 isp_del_wwn_entries(isp, mp); 3418 } 3419 } 3420 3421 /* 3422 * General purpose acknowledgement 3423 */ 3424 if (mp->nt_need_ack) { 3425 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 3426 /* 3427 * Don't need to use the guaranteed send because the caller can retry 3428 */ 3429 return (isp_notify_ack(isp, mp->nt_lreserved)); 3430 } 3431 return (0); 3432 } 3433 3434 /* 3435 * Handle task management functions. 3436 * 3437 * We show up here with a notify structure filled out. 3438 * 3439 * The nt_lreserved tag points to the original queue entry 3440 */ 3441 static void 3442 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 3443 { 3444 tstate_t *tptr; 3445 fcportdb_t *lp; 3446 struct ccb_immediate_notify *inot; 3447 inot_private_data_t *ntp = NULL; 3448 lun_id_t lun; 3449 3450 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode, 3451 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 3452 /* 3453 * NB: This assignment is necessary because of tricky type conversion. 3454 * XXX: This is tricky and I need to check this. If the lun isn't known 3455 * XXX: for the task management function, it does not of necessity follow 3456 * XXX: that it should go up stream to the wildcard listener. 3457 */ 3458 if (notify->nt_lun == LUN_ANY) { 3459 lun = CAM_LUN_WILDCARD; 3460 } else { 3461 lun = notify->nt_lun; 3462 } 3463 tptr = get_lun_statep(isp, notify->nt_channel, lun); 3464 if (tptr == NULL) { 3465 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 3466 if (tptr == NULL) { 3467 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 3468 goto bad; 3469 } 3470 } 3471 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 3472 if (inot == NULL) { 3473 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 3474 goto bad; 3475 } 3476 3477 if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 3478 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 3479 inot->initiator_id = CAM_TARGET_WILDCARD; 3480 } else { 3481 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 3482 } 3483 inot->seq_id = notify->nt_tagval; 3484 inot->tag_id = notify->nt_tagval >> 32; 3485 3486 switch (notify->nt_ncode) { 3487 case NT_ABORT_TASK: 3488 isp_target_mark_aborted_early(isp, tptr, inot->tag_id); 3489 inot->arg = MSG_ABORT_TASK; 3490 break; 3491 case NT_ABORT_TASK_SET: 3492 isp_target_mark_aborted_early(isp, tptr, TAG_ANY); 3493 inot->arg = MSG_ABORT_TASK_SET; 3494 break; 3495 case NT_CLEAR_ACA: 3496 inot->arg = MSG_CLEAR_ACA; 3497 break; 3498 case NT_CLEAR_TASK_SET: 3499 inot->arg = MSG_CLEAR_TASK_SET; 3500 break; 3501 case NT_LUN_RESET: 3502 inot->arg = MSG_LOGICAL_UNIT_RESET; 3503 break; 3504 case NT_TARGET_RESET: 3505 inot->arg = MSG_TARGET_RESET; 3506 break; 3507 default: 3508 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); 3509 goto bad; 3510 } 3511 3512 ntp = isp_get_ntpd(isp, tptr); 3513 if (ntp == NULL) { 3514 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 3515 goto bad; 3516 } 3517 ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t)); 3518 if (notify->nt_lreserved) { 3519 ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN); 3520 ntp->rd.nt.nt_lreserved = &ntp->rd.data; 3521 } 3522 ntp->rd.seq_id = notify->nt_tagval; 3523 ntp->rd.tag_id = notify->nt_tagval >> 32; 3524 3525 tptr->inot_count--; 3526 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 3527 rls_lun_statep(isp, tptr); 3528 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count); 3529 inot->ccb_h.status = CAM_MESSAGE_RECV; 3530 xpt_done((union ccb *)inot); 3531 return; 3532 bad: 3533 if (tptr) { 3534 rls_lun_statep(isp, tptr); 3535 } 3536 if (notify->nt_need_ack && notify->nt_lreserved) { 3537 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 3538 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 3539 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 3540 } 3541 } else { 3542 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 3543 } 3544 } 3545 } 3546 3547 /* 3548 * Find the associated private data and mark it as dead so 3549 * we don't try to work on it any further. 3550 */ 3551 static void 3552 isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb) 3553 { 3554 tstate_t *tptr; 3555 atio_private_data_t *atp; 3556 union ccb *accb = ccb->cab.abort_ccb; 3557 3558 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 3559 if (tptr == NULL) { 3560 tptr = get_lun_statep(isp, XS_CHANNEL(accb), CAM_LUN_WILDCARD); 3561 if (tptr == NULL) { 3562 ccb->ccb_h.status = CAM_REQ_INVALID; 3563 return; 3564 } 3565 } 3566 3567 atp = isp_find_atpd(isp, tptr, accb->atio.tag_id); 3568 if (atp == NULL) { 3569 ccb->ccb_h.status = CAM_REQ_INVALID; 3570 } else { 3571 atp->dead = 1; 3572 ccb->ccb_h.status = CAM_REQ_CMP; 3573 } 3574 rls_lun_statep(isp, tptr); 3575 } 3576 3577 static void 3578 isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id) 3579 { 3580 atio_private_data_t *atp; 3581 inot_private_data_t *restart_queue = tptr->restart_queue; 3582 3583 /* 3584 * First, clean any commands pending restart 3585 */ 3586 tptr->restart_queue = NULL; 3587 while (restart_queue) { 3588 uint32_t this_tag_id; 3589 inot_private_data_t *ntp = restart_queue; 3590 3591 restart_queue = ntp->rd.nt.nt_hba; 3592 3593 if (IS_24XX(isp)) { 3594 this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid; 3595 } else { 3596 this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid; 3597 } 3598 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 3599 isp_put_ntpd(isp, tptr, ntp); 3600 } else { 3601 ntp->rd.nt.nt_hba = tptr->restart_queue; 3602 tptr->restart_queue = ntp; 3603 } 3604 } 3605 3606 /* 3607 * Now mark other ones dead as well. 3608 */ 3609 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) { 3610 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) { 3611 atp->dead = 1; 3612 } 3613 } 3614 } 3615 3616 3617 #ifdef ISP_INTERNAL_TARGET 3618 //#define ISP_SEPARATE_STATUS 1 3619 #define ISP_MULTI_CCBS 1 3620 #if defined(ISP_MULTI_CCBS) && !defined(ISP_SEPARATE_STATUS) 3621 #define ISP_SEPARATE_STATUS 1 3622 #endif 3623 3624 typedef struct periph_private_data_t { 3625 union ccb *ccb; /* original ATIO or Immediate Notify */ 3626 unsigned long offset; /* current offset */ 3627 int sequence; /* current CTIO sequence */ 3628 int ctio_cnt; /* current # of ctio's outstanding */ 3629 int 3630 status_sent : 1, 3631 on_queue : 1; /* on restart queue */ 3632 } ppd_t; 3633 /* 3634 * Each ATIO we allocate will have periph private data associated with it 3635 * that maintains per-command state. This private to each ATIO. 3636 */ 3637 #define ATIO_PPD(ccb) ((ppd_t *)(((struct ccb_hdr *)ccb)->ppriv_ptr0)) 3638 /* 3639 * Each CTIO we send downstream will get a pointer to the ATIO itself 3640 * so that on completion we can retrieve that pointer. 3641 */ 3642 #define ccb_atio ppriv_ptr1 3643 #define ccb_inot ppriv_ptr1 3644 3645 /* 3646 * Each CTIO we send downstream will contain a sequence number 3647 */ 3648 #define CTIO_SEQ(ccb) ccb->ccb_h.ppriv_field0 3649 3650 #define MAX_ISP_TARG_TRANSFER (2 << 20) 3651 #define NISP_TARG_CMDS 64 3652 #define NISP_TARG_NOTIFIES 64 3653 #define DISK_SHIFT 9 3654 #define JUNK_SIZE 256 3655 #define MULTI_CCB_DATA_LIM 8192 3656 //#define MULTI_CCB_DATA_CNT 64 3657 #define MULTI_CCB_DATA_CNT 8 3658 3659 extern u_int vm_kmem_size; 3660 static int ca; 3661 static uint32_t disk_size; 3662 static uint8_t *disk_data = NULL; 3663 static uint8_t *junk_data; 3664 static MALLOC_DEFINE(M_ISPTARG, "ISPTARG", "ISP TARGET data"); 3665 struct isptarg_softc { 3666 /* CCBs (CTIOs, ATIOs, INOTs) pending on the controller */ 3667 struct isp_ccbq work_queue; 3668 struct isp_ccbq rework_queue; 3669 struct isp_ccbq running_queue; 3670 struct isp_ccbq inot_queue; 3671 struct cam_periph *periph; 3672 struct cam_path *path; 3673 ispsoftc_t *isp; 3674 }; 3675 static periph_ctor_t isptargctor; 3676 static periph_dtor_t isptargdtor; 3677 static periph_start_t isptargstart; 3678 static periph_init_t isptarginit; 3679 static void isptarg_done(struct cam_periph *, union ccb *); 3680 static void isptargasync(void *, u_int32_t, struct cam_path *, void *); 3681 3682 3683 static int isptarg_rwparm(uint8_t *, uint8_t *, uint64_t, uint32_t, uint8_t **, uint32_t *, int *); 3684 3685 static struct periph_driver isptargdriver = 3686 { 3687 isptarginit, "isptarg", TAILQ_HEAD_INITIALIZER(isptargdriver.units), 0 3688 }; 3689 3690 static void 3691 isptarginit(void) 3692 { 3693 } 3694 3695 static void 3696 isptargnotify(ispsoftc_t *isp, union ccb *iccb, struct ccb_immediate_notify *inot) 3697 { 3698 struct ccb_notify_acknowledge *ack = &iccb->cna2; 3699 3700 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: [0x%x] immediate notify for 0x%x from 0x%x status 0x%x arg 0x%x\n", __func__, 3701 inot->tag_id, inot->initiator_id, inot->seq_id, inot->ccb_h.status, inot->arg); 3702 ack->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 3703 ack->ccb_h.flags = 0; 3704 ack->ccb_h.retry_count = 0; 3705 ack->ccb_h.cbfcnp = isptarg_done; 3706 ack->ccb_h.timeout = 0; 3707 ack->ccb_h.ccb_inot = inot; 3708 ack->tag_id = inot->tag_id; 3709 ack->seq_id = inot->seq_id; 3710 ack->initiator_id = inot->initiator_id; 3711 xpt_action(iccb); 3712 } 3713 3714 static void 3715 isptargstart(struct cam_periph *periph, union ccb *iccb) 3716 { 3717 const uint8_t niliqd[SHORT_INQUIRY_LENGTH] = { 3718 0x7f, 0x0, 0x5, 0x2, 32, 0, 0, 0x32, 3719 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 3720 'S', 'C', 'S', 'I', ' ', 'N', 'U', 'L', 3721 'L', ' ', 'D', 'E', 'V', 'I', 'C', 'E', 3722 '0', '0', '0', '1' 3723 }; 3724 const uint8_t iqd[SHORT_INQUIRY_LENGTH] = { 3725 0, 0x0, 0x5, 0x2, 32, 0, 0, 0x32, 3726 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 3727 'S', 'C', 'S', 'I', ' ', 'M', 'E', 'M', 3728 'O', 'R', 'Y', ' ', 'D', 'I', 'S', 'K', 3729 '0', '0', '0', '1' 3730 }; 3731 int r, i, more = 0, last, is_data_cmd = 0, is_write; 3732 char *queue; 3733 struct isptarg_softc *softc = periph->softc; 3734 struct ccb_scsiio *csio; 3735 lun_id_t return_lun; 3736 struct ccb_accept_tio *atio; 3737 uint8_t *cdb, *ptr, status; 3738 uint8_t *data_ptr; 3739 uint32_t data_len, flags; 3740 struct ccb_hdr *ccbh; 3741 3742 mtx_assert(periph->sim->mtx, MA_OWNED); 3743 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, iccb->ccb_h.path, "%s: function code 0x%x INOTQ=%c WORKQ=%c REWORKQ=%c\n", __func__, iccb->ccb_h.func_code, 3744 TAILQ_FIRST(&softc->inot_queue)? 'y' : 'n', TAILQ_FIRST(&softc->work_queue)? 'y' : 'n', TAILQ_FIRST(&softc->rework_queue)? 'y' : 'n'); 3745 /* 3746 * Check for immediate notifies first 3747 */ 3748 ccbh = TAILQ_FIRST(&softc->inot_queue); 3749 if (ccbh) { 3750 TAILQ_REMOVE(&softc->inot_queue, ccbh, periph_links.tqe); 3751 if (TAILQ_FIRST(&softc->inot_queue) || TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue)) { 3752 xpt_schedule(periph, 1); 3753 } 3754 isptargnotify(softc->isp, iccb, (struct ccb_immediate_notify *)ccbh); 3755 return; 3756 } 3757 3758 /* 3759 * Check the rework (continuation) work queue first. 3760 */ 3761 ccbh = TAILQ_FIRST(&softc->rework_queue); 3762 if (ccbh) { 3763 atio = (struct ccb_accept_tio *)ccbh; 3764 TAILQ_REMOVE(&softc->rework_queue, ccbh, periph_links.tqe); 3765 more = TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue); 3766 queue = "rework"; 3767 } else { 3768 ccbh = TAILQ_FIRST(&softc->work_queue); 3769 if (ccbh == NULL) { 3770 xpt_release_ccb(iccb); 3771 return; 3772 } 3773 atio = (struct ccb_accept_tio *)ccbh; 3774 TAILQ_REMOVE(&softc->work_queue, ccbh, periph_links.tqe); 3775 more = TAILQ_FIRST(&softc->work_queue) != NULL; 3776 queue = "work"; 3777 } 3778 ATIO_PPD(atio)->on_queue = 0; 3779 3780 if (atio->tag_id == 0xffffffff || atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) { 3781 panic("BAD ATIO"); 3782 } 3783 3784 data_len = is_write = 0; 3785 data_ptr = NULL; 3786 csio = &iccb->csio; 3787 status = SCSI_STATUS_OK; 3788 flags = CAM_SEND_STATUS; 3789 memset(&atio->sense_data, 0, sizeof (atio->sense_data)); 3790 cdb = atio->cdb_io.cdb_bytes; 3791 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, ccbh->path, "%s: [0x%x] processing ATIO from %s queue initiator 0x%x CDB=0x%x data_offset=%u\n", __func__, atio->tag_id, 3792 queue, atio->init_id, cdb[0], ATIO_PPD(atio)->offset); 3793 3794 return_lun = XS_LUN(atio); 3795 if (return_lun != 0) { 3796 xpt_print(atio->ccb_h.path, "[0x%x] Non-Zero Lun %d: cdb0=0x%x\n", atio->tag_id, return_lun, cdb[0]); 3797 if (cdb[0] != INQUIRY && cdb[0] != REPORT_LUNS && cdb[0] != REQUEST_SENSE) { 3798 status = SCSI_STATUS_CHECK_COND; 3799 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3800 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3801 SDFIXED(atio->sense_data)->add_sense_code = 0x25; /* LOGICAL UNIT NOT SUPPORTED */ 3802 atio->sense_len = SSD_MIN_SIZE; 3803 } 3804 return_lun = CAM_LUN_WILDCARD; 3805 } 3806 3807 switch (cdb[0]) { 3808 case REQUEST_SENSE: 3809 flags |= CAM_DIR_IN; 3810 data_len = sizeof (atio->sense_data); 3811 junk_data[0] = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_NO_SENSE; 3812 memset(junk_data+1, 0, data_len-1); 3813 if (data_len > cdb[4]) { 3814 data_len = cdb[4]; 3815 } 3816 if (data_len) { 3817 data_ptr = junk_data; 3818 } 3819 break; 3820 case WRITE_6: 3821 case WRITE_10: 3822 case WRITE_12: 3823 case WRITE_16: 3824 is_write = 1; 3825 /* FALLTHROUGH */ 3826 case READ_6: 3827 case READ_10: 3828 case READ_12: 3829 case READ_16: 3830 is_data_cmd = 1; 3831 r = isptarg_rwparm(cdb, disk_data, disk_size, ATIO_PPD(atio)->offset, &data_ptr, &data_len, &last); 3832 if (r != 0) { 3833 status = SCSI_STATUS_CHECK_COND; 3834 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3835 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3836 if (r == -1) { 3837 SDFIXED(atio->sense_data)->add_sense_code = 0x21; /* LOGICAL BLOCK ADDRESS OUT OF RANGE */ 3838 } else { 3839 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */ 3840 } 3841 atio->sense_len = SSD_MIN_SIZE; 3842 } else { 3843 #ifdef ISP_SEPARATE_STATUS 3844 if (last && data_len) { 3845 last = 0; 3846 } 3847 #endif 3848 if (last == 0) { 3849 flags &= ~CAM_SEND_STATUS; 3850 } 3851 if (data_len) { 3852 ATIO_PPD(atio)->offset += data_len; 3853 if (is_write) 3854 flags |= CAM_DIR_OUT; 3855 else 3856 flags |= CAM_DIR_IN; 3857 } else { 3858 flags |= CAM_DIR_NONE; 3859 } 3860 } 3861 break; 3862 case INQUIRY: 3863 flags |= CAM_DIR_IN; 3864 if (cdb[1] || cdb[2] || cdb[3]) { 3865 status = SCSI_STATUS_CHECK_COND; 3866 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3867 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION; 3868 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */ 3869 atio->sense_len = SSD_MIN_SIZE; 3870 break; 3871 } 3872 data_len = sizeof (iqd); 3873 if (data_len > cdb[4]) { 3874 data_len = cdb[4]; 3875 } 3876 if (data_len) { 3877 if (XS_LUN(iccb) != 0) { 3878 memcpy(junk_data, niliqd, sizeof (iqd)); 3879 } else { 3880 memcpy(junk_data, iqd, sizeof (iqd)); 3881 } 3882 data_ptr = junk_data; 3883 } 3884 break; 3885 case TEST_UNIT_READY: 3886 flags |= CAM_DIR_NONE; 3887 if (ca) { 3888 ca = 0; 3889 status = SCSI_STATUS_CHECK_COND; 3890 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3891 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION; 3892 SDFIXED(atio->sense_data)->add_sense_code = 0x29; /* POWER ON, RESET, OR BUS DEVICE RESET OCCURRED */ 3893 atio->sense_len = SSD_MIN_SIZE; 3894 } 3895 break; 3896 case SYNCHRONIZE_CACHE: 3897 case START_STOP: 3898 case RESERVE: 3899 case RELEASE: 3900 case VERIFY_10: 3901 flags |= CAM_DIR_NONE; 3902 break; 3903 3904 case READ_CAPACITY: 3905 flags |= CAM_DIR_IN; 3906 if (cdb[2] || cdb[3] || cdb[4] || cdb[5]) { 3907 status = SCSI_STATUS_CHECK_COND; 3908 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3909 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3910 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */ 3911 atio->sense_len = SSD_MIN_SIZE; 3912 break; 3913 } 3914 if (cdb[8] & 0x1) { /* PMI */ 3915 junk_data[0] = 0xff; 3916 junk_data[1] = 0xff; 3917 junk_data[2] = 0xff; 3918 junk_data[3] = 0xff; 3919 } else { 3920 uint64_t last_blk = (disk_size >> DISK_SHIFT) - 1; 3921 if (last_blk < 0xffffffffULL) { 3922 junk_data[0] = (last_blk >> 24) & 0xff; 3923 junk_data[1] = (last_blk >> 16) & 0xff; 3924 junk_data[2] = (last_blk >> 8) & 0xff; 3925 junk_data[3] = (last_blk) & 0xff; 3926 } else { 3927 junk_data[0] = 0xff; 3928 junk_data[1] = 0xff; 3929 junk_data[2] = 0xff; 3930 junk_data[3] = 0xff; 3931 } 3932 } 3933 junk_data[4] = ((1 << DISK_SHIFT) >> 24) & 0xff; 3934 junk_data[5] = ((1 << DISK_SHIFT) >> 16) & 0xff; 3935 junk_data[6] = ((1 << DISK_SHIFT) >> 8) & 0xff; 3936 junk_data[7] = ((1 << DISK_SHIFT)) & 0xff; 3937 data_ptr = junk_data; 3938 data_len = 8; 3939 break; 3940 case REPORT_LUNS: 3941 flags |= CAM_DIR_IN; 3942 memset(junk_data, 0, JUNK_SIZE); 3943 junk_data[0] = (1 << 3) >> 24; 3944 junk_data[1] = (1 << 3) >> 16; 3945 junk_data[2] = (1 << 3) >> 8; 3946 junk_data[3] = (1 << 3); 3947 ptr = NULL; 3948 for (i = 0; i < 1; i++) { 3949 ptr = &junk_data[8 + (i << 3)]; 3950 if (i >= 256) { 3951 ptr[0] = 0x40 | ((i >> 8) & 0x3f); 3952 } 3953 ptr[1] = i; 3954 } 3955 data_ptr = junk_data; 3956 data_len = (ptr + 8) - junk_data; 3957 break; 3958 3959 default: 3960 flags |= CAM_DIR_NONE; 3961 status = SCSI_STATUS_CHECK_COND; 3962 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3963 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3964 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */ 3965 atio->sense_len = SSD_MIN_SIZE; 3966 break; 3967 } 3968 3969 /* 3970 * If we are done with the transaction, tell the 3971 * controller to send status and perform a CMD_CMPLT. 3972 * If we have associated sense data, see if we can 3973 * send that too. 3974 */ 3975 if (status == SCSI_STATUS_CHECK_COND) { 3976 flags |= CAM_SEND_SENSE; 3977 csio->sense_len = atio->sense_len; 3978 csio->sense_data = atio->sense_data; 3979 flags &= ~CAM_DIR_MASK; 3980 data_len = 0; 3981 data_ptr = NULL; 3982 } 3983 cam_fill_ctio(csio, 0, isptarg_done, flags, MSG_SIMPLE_Q_TAG, atio->tag_id, atio->init_id, status, data_ptr, data_len, 30 * hz); 3984 iccb->ccb_h.target_id = atio->ccb_h.target_id; 3985 iccb->ccb_h.target_lun = return_lun; 3986 iccb->ccb_h.ccb_atio = atio; 3987 CTIO_SEQ(iccb) = ATIO_PPD(atio)->sequence++; 3988 ATIO_PPD(atio)->ctio_cnt++; 3989 if (flags & CAM_SEND_STATUS) { 3990 KASSERT((ATIO_PPD(atio)->status_sent == 0), ("we have already sent status for 0x%x in %s", atio->tag_id, __func__)); 3991 ATIO_PPD(atio)->status_sent = 1; 3992 } 3993 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: sending downstream for 0x%x sequence %u len %u flags %x\n", __func__, atio->tag_id, CTIO_SEQ(iccb), data_len, flags); 3994 xpt_action(iccb); 3995 3996 if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3997 cam_release_devq(periph->path, 0, 0, 0, 0); 3998 atio->ccb_h.status &= ~CAM_DEV_QFRZN; 3999 } 4000 #ifdef ISP_MULTI_CCBS 4001 if (is_data_cmd && ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->ctio_cnt < MULTI_CCB_DATA_CNT && ATIO_PPD(atio)->on_queue == 0) { 4002 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: more still to do for 0x%x\n", __func__, atio->tag_id); 4003 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 4004 ATIO_PPD(atio)->on_queue = 1; 4005 more = 1; 4006 } 4007 #endif 4008 if (more) { 4009 xpt_schedule(periph, 1); 4010 } 4011 } 4012 4013 static cam_status 4014 isptargctor(struct cam_periph *periph, void *arg) 4015 { 4016 struct isptarg_softc *softc; 4017 4018 softc = (struct isptarg_softc *)arg; 4019 periph->softc = softc; 4020 softc->periph = periph; 4021 softc->path = periph->path; 4022 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__); 4023 return (CAM_REQ_CMP); 4024 } 4025 4026 static void 4027 isptargdtor(struct cam_periph *periph) 4028 { 4029 struct isptarg_softc *softc; 4030 softc = (struct isptarg_softc *)periph->softc; 4031 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__); 4032 softc->periph = NULL; 4033 softc->path = NULL; 4034 periph->softc = NULL; 4035 } 4036 4037 static void 4038 isptarg_done(struct cam_periph *periph, union ccb *ccb) 4039 { 4040 struct isptarg_softc *softc; 4041 ispsoftc_t *isp; 4042 uint32_t newoff; 4043 struct ccb_accept_tio *atio; 4044 struct ccb_immediate_notify *inot; 4045 cam_status status; 4046 4047 softc = (struct isptarg_softc *)periph->softc; 4048 isp = softc->isp; 4049 status = ccb->ccb_h.status & CAM_STATUS_MASK; 4050 4051 switch (ccb->ccb_h.func_code) { 4052 case XPT_ACCEPT_TARGET_IO: 4053 atio = (struct ccb_accept_tio *) ccb; 4054 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] ATIO seen in %s\n", atio->tag_id, __func__); 4055 memset(ATIO_PPD(atio), 0, sizeof (ppd_t)); 4056 TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, periph_links.tqe); 4057 ATIO_PPD(atio)->on_queue = 1; 4058 xpt_schedule(periph, 1); 4059 break; 4060 case XPT_IMMEDIATE_NOTIFY: 4061 inot = (struct ccb_immediate_notify *) ccb; 4062 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] INOT for 0x%x seen in %s\n", inot->tag_id, inot->seq_id, __func__); 4063 TAILQ_INSERT_TAIL(&softc->inot_queue, &ccb->ccb_h, periph_links.tqe); 4064 xpt_schedule(periph, 1); 4065 break; 4066 case XPT_CONT_TARGET_IO: 4067 atio = ccb->ccb_h.ccb_atio; 4068 KASSERT((ATIO_PPD(atio)->ctio_cnt != 0), ("ctio zero when finishing a CTIO")); 4069 ATIO_PPD(atio)->ctio_cnt--; 4070 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 4071 switch (ccb->ccb_h.status & CAM_STATUS_MASK) { 4072 case CAM_MESSAGE_RECV: 4073 newoff = (ccb->csio.msg_ptr[3] << 24) | (ccb->csio.msg_ptr[4] << 16) | (ccb->csio.msg_ptr[5] << 8) | (ccb->csio.msg_ptr[6]); 4074 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "[0x%x] got message to return to reset offset to 0x%x at sequence %u\n", atio->tag_id, newoff, CTIO_SEQ(ccb)); 4075 ATIO_PPD(atio)->offset = newoff; 4076 ATIO_PPD(atio)->status_sent = 0; 4077 if (ATIO_PPD(atio)->on_queue == 0) { 4078 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 4079 ATIO_PPD(atio)->on_queue = 1; 4080 } 4081 xpt_schedule(periph, 1); 4082 break; 4083 default: 4084 cam_error_print(ccb, CAM_ESF_ALL, CAM_EPF_ALL); 4085 xpt_action((union ccb *)atio); 4086 break; 4087 } 4088 } else if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4089 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] MID CTIO sequence %u seen in %s\n", atio->tag_id, CTIO_SEQ(ccb), __func__); 4090 if (ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->on_queue == 0) { 4091 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 4092 ATIO_PPD(atio)->on_queue = 1; 4093 } 4094 xpt_schedule(periph, 1); 4095 } else { 4096 KASSERT((ATIO_PPD(atio)->ctio_cnt == 0), ("ctio count still %d when we think we've sent the STATUS ctio", ATIO_PPD(atio)->ctio_cnt)); 4097 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] FINAL CTIO sequence %u seen in %s\n", atio->tag_id, CTIO_SEQ(ccb), __func__); 4098 xpt_action((union ccb *)atio); 4099 } 4100 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 4101 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0); 4102 ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 4103 } 4104 xpt_release_ccb(ccb); 4105 break; 4106 case XPT_NOTIFY_ACKNOWLEDGE: 4107 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 4108 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0); 4109 ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 4110 } 4111 inot = ccb->ccb_h.ccb_inot; 4112 ISP_PATH_PRT(isp, ISP_LOGTDEBUG1, inot->ccb_h.path, "[0x%x] recycle notify for tag 0x%x\n", inot->tag_id, inot->seq_id); 4113 xpt_release_ccb(ccb); 4114 xpt_action((union ccb *)inot); 4115 break; 4116 default: 4117 xpt_print(ccb->ccb_h.path, "unexpected code 0x%x\n", ccb->ccb_h.func_code); 4118 break; 4119 } 4120 } 4121 4122 static void 4123 isptargasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) 4124 { 4125 struct ac_contract *acp = arg; 4126 struct ac_device_changed *fc = (struct ac_device_changed *) acp->contract_data; 4127 4128 if (code != AC_CONTRACT) { 4129 return; 4130 } 4131 xpt_print(path, "0x%016llx Port ID 0x%06x %s\n", (unsigned long long) fc->wwpn, fc->port, fc->arrived? "arrived" : "departed"); 4132 } 4133 4134 static void 4135 isp_target_thread(ispsoftc_t *isp, int chan) 4136 { 4137 union ccb *ccb = NULL; 4138 int i; 4139 void *wchan; 4140 cam_status status; 4141 struct isptarg_softc *softc = NULL; 4142 struct cam_periph *periph = NULL, *wperiph = NULL; 4143 struct cam_path *path, *wpath; 4144 struct cam_sim *sim; 4145 4146 if (disk_data == NULL) { 4147 disk_size = roundup2(vm_kmem_size >> 1, (1ULL << 20)); 4148 if (disk_size < (50 << 20)) { 4149 disk_size = 50 << 20; 4150 } 4151 disk_data = malloc(disk_size, M_ISPTARG, M_WAITOK | M_ZERO); 4152 if (disk_data == NULL) { 4153 isp_prt(isp, ISP_LOGERR, "%s: could not allocate disk data", __func__); 4154 goto out; 4155 } 4156 isp_prt(isp, ISP_LOGINFO, "allocated a %ju MiB disk", (uintmax_t) (disk_size >> 20)); 4157 } 4158 junk_data = malloc(JUNK_SIZE, M_ISPTARG, M_WAITOK | M_ZERO); 4159 if (junk_data == NULL) { 4160 isp_prt(isp, ISP_LOGERR, "%s: could not allocate junk", __func__); 4161 goto out; 4162 } 4163 4164 4165 softc = malloc(sizeof (*softc), M_ISPTARG, M_WAITOK | M_ZERO); 4166 if (softc == NULL) { 4167 isp_prt(isp, ISP_LOGERR, "%s: could not allocate softc", __func__); 4168 goto out; 4169 } 4170 TAILQ_INIT(&softc->work_queue); 4171 TAILQ_INIT(&softc->rework_queue); 4172 TAILQ_INIT(&softc->running_queue); 4173 TAILQ_INIT(&softc->inot_queue); 4174 softc->isp = isp; 4175 4176 periphdriver_register(&isptargdriver); 4177 ISP_GET_PC(isp, chan, sim, sim); 4178 ISP_GET_PC(isp, chan, path, path); 4179 status = xpt_create_path(&wpath, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 4180 if (status != CAM_REQ_CMP) { 4181 isp_prt(isp, ISP_LOGERR, "%s: could not allocate wildcard path", __func__); 4182 return; 4183 } 4184 status = xpt_create_path(&path, NULL, cam_sim_path(sim), 0, 0); 4185 if (status != CAM_REQ_CMP) { 4186 xpt_free_path(wpath); 4187 isp_prt(isp, ISP_LOGERR, "%s: could not allocate path", __func__); 4188 return; 4189 } 4190 4191 ISP_LOCK(isp); 4192 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, wpath, NULL, 0, softc); 4193 if (status != CAM_REQ_CMP) { 4194 ISP_UNLOCK(isp); 4195 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc for wildcard failed", __func__); 4196 goto out; 4197 } 4198 wperiph = cam_periph_find(wpath, "isptarg"); 4199 if (wperiph == NULL) { 4200 ISP_UNLOCK(isp); 4201 isp_prt(isp, ISP_LOGERR, "%s: wildcard periph already allocated but doesn't exist", __func__); 4202 goto out; 4203 } 4204 4205 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, path, NULL, 0, softc); 4206 if (status != CAM_REQ_CMP) { 4207 ISP_UNLOCK(isp); 4208 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc failed", __func__); 4209 goto out; 4210 } 4211 4212 periph = cam_periph_find(path, "isptarg"); 4213 if (periph == NULL) { 4214 ISP_UNLOCK(isp); 4215 isp_prt(isp, ISP_LOGERR, "%s: periph already allocated but doesn't exist", __func__); 4216 goto out; 4217 } 4218 4219 status = xpt_register_async(AC_CONTRACT, isptargasync, isp, wpath); 4220 if (status != CAM_REQ_CMP) { 4221 ISP_UNLOCK(isp); 4222 isp_prt(isp, ISP_LOGERR, "%s: xpt_register_async failed", __func__); 4223 goto out; 4224 } 4225 4226 ISP_UNLOCK(isp); 4227 4228 ccb = xpt_alloc_ccb(); 4229 4230 /* 4231 * Make sure role is none. 4232 */ 4233 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4234 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 4235 ccb->knob.xport_specific.fc.role = KNOB_ROLE_NONE; 4236 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE; 4237 4238 ISP_LOCK(isp); 4239 xpt_action(ccb); 4240 ISP_UNLOCK(isp); 4241 4242 /* 4243 * Now enable luns 4244 */ 4245 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4246 ccb->ccb_h.func_code = XPT_EN_LUN; 4247 ccb->cel.enable = 1; 4248 ISP_LOCK(isp); 4249 xpt_action(ccb); 4250 ISP_UNLOCK(isp); 4251 if (ccb->ccb_h.status != CAM_REQ_CMP) { 4252 xpt_free_ccb(ccb); 4253 xpt_print(periph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status); 4254 goto out; 4255 } 4256 4257 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 10); 4258 ccb->ccb_h.func_code = XPT_EN_LUN; 4259 ccb->cel.enable = 1; 4260 ISP_LOCK(isp); 4261 xpt_action(ccb); 4262 ISP_UNLOCK(isp); 4263 if (ccb->ccb_h.status != CAM_REQ_CMP) { 4264 xpt_free_ccb(ccb); 4265 xpt_print(wperiph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status); 4266 goto out; 4267 } 4268 xpt_free_ccb(ccb); 4269 4270 /* 4271 * Add resources 4272 */ 4273 ISP_GET_PC(isp, chan, target_proc, wchan); 4274 for (i = 0; i < 4; i++) { 4275 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4276 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1); 4277 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 4278 ccb->ccb_h.cbfcnp = isptarg_done; 4279 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO); 4280 ISP_LOCK(isp); 4281 xpt_action(ccb); 4282 ISP_UNLOCK(isp); 4283 } 4284 for (i = 0; i < NISP_TARG_CMDS; i++) { 4285 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4286 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1); 4287 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 4288 ccb->ccb_h.cbfcnp = isptarg_done; 4289 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO); 4290 ISP_LOCK(isp); 4291 xpt_action(ccb); 4292 ISP_UNLOCK(isp); 4293 } 4294 for (i = 0; i < 4; i++) { 4295 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4296 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1); 4297 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 4298 ccb->ccb_h.cbfcnp = isptarg_done; 4299 ISP_LOCK(isp); 4300 xpt_action(ccb); 4301 ISP_UNLOCK(isp); 4302 } 4303 for (i = 0; i < NISP_TARG_NOTIFIES; i++) { 4304 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4305 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1); 4306 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 4307 ccb->ccb_h.cbfcnp = isptarg_done; 4308 ISP_LOCK(isp); 4309 xpt_action(ccb); 4310 ISP_UNLOCK(isp); 4311 } 4312 4313 /* 4314 * Now turn it all back on 4315 */ 4316 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4317 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 4318 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE; 4319 ccb->knob.xport_specific.fc.role = KNOB_ROLE_TARGET; 4320 ISP_LOCK(isp); 4321 xpt_action(ccb); 4322 ISP_UNLOCK(isp); 4323 4324 /* 4325 * Okay, while things are still active, sleep... 4326 */ 4327 ISP_LOCK(isp); 4328 for (;;) { 4329 ISP_GET_PC(isp, chan, proc_active, i); 4330 if (i == 0) { 4331 break; 4332 } 4333 msleep(wchan, &isp->isp_lock, PUSER, "tsnooze", 0); 4334 } 4335 ISP_UNLOCK(isp); 4336 4337 out: 4338 if (wperiph) { 4339 cam_periph_invalidate(wperiph); 4340 } 4341 if (periph) { 4342 cam_periph_invalidate(periph); 4343 } 4344 if (junk_data) { 4345 free(junk_data, M_ISPTARG); 4346 } 4347 if (disk_data) { 4348 free(disk_data, M_ISPTARG); 4349 } 4350 if (softc) { 4351 free(softc, M_ISPTARG); 4352 } 4353 xpt_free_path(path); 4354 xpt_free_path(wpath); 4355 } 4356 4357 static void 4358 isp_target_thread_pi(void *arg) 4359 { 4360 struct isp_spi *pi = arg; 4361 ispsoftc_t *isp = cam_sim_softc(pi->sim); 4362 int chan = cam_sim_bus(pi->sim); 4363 4364 isp_target_thread(isp, chan); 4365 ISP_SPI_PC(isp, chan)->num_threads -= 1; 4366 kthread_exit(); 4367 } 4368 4369 static void 4370 isp_target_thread_fc(void *arg) 4371 { 4372 struct isp_fc *fc = arg; 4373 ispsoftc_t *isp = cam_sim_softc(pi->sim); 4374 int chan = cam_sim_bus(pi->sim); 4375 4376 isp_target_thread(isp, chan); 4377 ISP_FC_PC(isp, chan)->num_threads -= 1; 4378 kthread_exit(); 4379 } 4380 4381 static int 4382 isptarg_rwparm(uint8_t *cdb, uint8_t *dp, uint64_t dl, uint32_t offset, uint8_t **kp, uint32_t *tl, int *lp) 4383 { 4384 uint32_t cnt, curcnt; 4385 uint64_t lba; 4386 4387 switch (cdb[0]) { 4388 case WRITE_16: 4389 case READ_16: 4390 cnt = (((uint32_t)cdb[10]) << 24) | 4391 (((uint32_t)cdb[11]) << 16) | 4392 (((uint32_t)cdb[12]) << 8) | 4393 ((uint32_t)cdb[13]); 4394 4395 lba = (((uint64_t)cdb[2]) << 56) | 4396 (((uint64_t)cdb[3]) << 48) | 4397 (((uint64_t)cdb[4]) << 40) | 4398 (((uint64_t)cdb[5]) << 32) | 4399 (((uint64_t)cdb[6]) << 24) | 4400 (((uint64_t)cdb[7]) << 16) | 4401 (((uint64_t)cdb[8]) << 8) | 4402 ((uint64_t)cdb[9]); 4403 break; 4404 case WRITE_12: 4405 case READ_12: 4406 cnt = (((uint32_t)cdb[6]) << 16) | 4407 (((uint32_t)cdb[7]) << 8) | 4408 ((u_int32_t)cdb[8]); 4409 4410 lba = (((uint32_t)cdb[2]) << 24) | 4411 (((uint32_t)cdb[3]) << 16) | 4412 (((uint32_t)cdb[4]) << 8) | 4413 ((uint32_t)cdb[5]); 4414 break; 4415 case WRITE_10: 4416 case READ_10: 4417 cnt = (((uint32_t)cdb[7]) << 8) | 4418 ((u_int32_t)cdb[8]); 4419 4420 lba = (((uint32_t)cdb[2]) << 24) | 4421 (((uint32_t)cdb[3]) << 16) | 4422 (((uint32_t)cdb[4]) << 8) | 4423 ((uint32_t)cdb[5]); 4424 break; 4425 case WRITE_6: 4426 case READ_6: 4427 cnt = cdb[4]; 4428 if (cnt == 0) { 4429 cnt = 256; 4430 } 4431 lba = (((uint32_t)cdb[1] & 0x1f) << 16) | 4432 (((uint32_t)cdb[2]) << 8) | 4433 ((uint32_t)cdb[3]); 4434 break; 4435 default: 4436 return (-1); 4437 } 4438 4439 cnt <<= DISK_SHIFT; 4440 lba <<= DISK_SHIFT; 4441 4442 if (offset == cnt) { 4443 *lp = 1; 4444 return (0); 4445 } 4446 4447 if (lba + cnt > dl) { 4448 return (-2); 4449 } 4450 4451 curcnt = MAX_ISP_TARG_TRANSFER; 4452 if (offset + curcnt >= cnt) { 4453 curcnt = cnt - offset; 4454 *lp = 1; 4455 } else { 4456 *lp = 0; 4457 } 4458 #ifdef ISP_MULTI_CCBS 4459 if (curcnt > MULTI_CCB_DATA_LIM) 4460 curcnt = MULTI_CCB_DATA_LIM; 4461 #endif 4462 *tl = curcnt; 4463 *kp = &dp[lba + offset]; 4464 return (0); 4465 } 4466 4467 #endif 4468 #endif 4469 4470 static void 4471 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 4472 { 4473 struct cam_sim *sim; 4474 int bus, tgt; 4475 ispsoftc_t *isp; 4476 4477 sim = (struct cam_sim *)cbarg; 4478 isp = (ispsoftc_t *) cam_sim_softc(sim); 4479 bus = cam_sim_bus(sim); 4480 tgt = xpt_path_target_id(path); 4481 4482 switch (code) { 4483 case AC_LOST_DEVICE: 4484 if (IS_SCSI(isp)) { 4485 uint16_t oflags, nflags; 4486 sdparam *sdp = SDPARAM(isp, bus); 4487 4488 if (tgt >= 0) { 4489 nflags = sdp->isp_devparam[tgt].nvrm_flags; 4490 #ifndef ISP_TARGET_MODE 4491 nflags &= DPARM_SAFE_DFLT; 4492 if (isp->isp_loaded_fw) { 4493 nflags |= DPARM_NARROW | DPARM_ASYNC; 4494 } 4495 #else 4496 nflags = DPARM_DEFAULT; 4497 #endif 4498 oflags = sdp->isp_devparam[tgt].goal_flags; 4499 sdp->isp_devparam[tgt].goal_flags = nflags; 4500 sdp->isp_devparam[tgt].dev_update = 1; 4501 sdp->update = 1; 4502 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 4503 sdp->isp_devparam[tgt].goal_flags = oflags; 4504 } 4505 } 4506 break; 4507 default: 4508 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 4509 break; 4510 } 4511 } 4512 4513 static void 4514 isp_poll(struct cam_sim *sim) 4515 { 4516 ispsoftc_t *isp = cam_sim_softc(sim); 4517 uint32_t isr; 4518 uint16_t sema, mbox; 4519 4520 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 4521 isp_intr(isp, isr, sema, mbox); 4522 } 4523 } 4524 4525 4526 static void 4527 isp_watchdog(void *arg) 4528 { 4529 struct ccb_scsiio *xs = arg; 4530 ispsoftc_t *isp; 4531 uint32_t ohandle = ISP_HANDLE_FREE, handle; 4532 4533 isp = XS_ISP(xs); 4534 4535 handle = isp_find_handle(isp, xs); 4536 4537 /* 4538 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 4539 */ 4540 if (handle != ISP_HANDLE_FREE) { 4541 uint32_t isr; 4542 uint16_t sema, mbox; 4543 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) != 0) { 4544 isp_intr(isp, isr, sema, mbox); 4545 } 4546 ohandle = handle; 4547 handle = isp_find_handle(isp, xs); 4548 } 4549 if (handle != ISP_HANDLE_FREE) { 4550 /* 4551 * Try and make sure the command is really dead before 4552 * we release the handle (and DMA resources) for reuse. 4553 * 4554 * If we are successful in aborting the command then 4555 * we're done here because we'll get the command returned 4556 * back separately. 4557 */ 4558 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 4559 return; 4560 } 4561 4562 /* 4563 * Note that after calling the above, the command may in 4564 * fact have been completed. 4565 */ 4566 xs = isp_find_xs(isp, handle); 4567 4568 /* 4569 * If the command no longer exists, then we won't 4570 * be able to find the xs again with this handle. 4571 */ 4572 if (xs == NULL) { 4573 return; 4574 } 4575 4576 /* 4577 * After this point, the command is really dead. 4578 */ 4579 if (XS_XFRLEN(xs)) { 4580 ISP_DMAFREE(isp, xs, handle); 4581 } 4582 isp_destroy_handle(isp, handle); 4583 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 4584 xs->ccb_h.status &= ~CAM_STATUS_MASK; 4585 xs->ccb_h.status |= CAM_CMD_TIMEOUT; 4586 isp_prt_endcmd(isp, xs); 4587 isp_done(xs); 4588 } else { 4589 if (ohandle != ISP_HANDLE_FREE) { 4590 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 4591 } else { 4592 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 4593 } 4594 } 4595 } 4596 4597 static void 4598 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 4599 { 4600 union ccb *ccb; 4601 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4602 4603 if (isp_autoconfig == 0) { 4604 return; 4605 } 4606 4607 /* 4608 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 4609 */ 4610 ccb = xpt_alloc_ccb_nowait(); 4611 if (ccb == NULL) { 4612 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 4613 return; 4614 } 4615 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 4616 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 4617 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 4618 xpt_free_ccb(ccb); 4619 return; 4620 } 4621 xpt_rescan(ccb); 4622 } 4623 4624 static void 4625 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 4626 { 4627 struct cam_path *tp; 4628 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4629 4630 if (isp_autoconfig == 0) { 4631 return; 4632 } 4633 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 4634 xpt_async(AC_LOST_DEVICE, tp, NULL); 4635 xpt_free_path(tp); 4636 } 4637 } 4638 4639 /* 4640 * Gone Device Timer Function- when we have decided that a device has gone 4641 * away, we wait a specific period of time prior to telling the OS it has 4642 * gone away. 4643 * 4644 * This timer function fires once a second and then scans the port database 4645 * for devices that are marked dead but still have a virtual target assigned. 4646 * We decrement a counter for that port database entry, and when it hits zero, 4647 * we tell the OS the device has gone away. 4648 */ 4649 static void 4650 isp_gdt(void *arg) 4651 { 4652 struct isp_fc *fc = arg; 4653 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 4654 } 4655 4656 static void 4657 isp_gdt_task(void *arg, int pending) 4658 { 4659 struct isp_fc *fc = arg; 4660 ispsoftc_t *isp = fc->isp; 4661 int chan = fc - isp->isp_osinfo.pc.fc; 4662 fcportdb_t *lp; 4663 struct ac_contract ac; 4664 struct ac_device_changed *adc; 4665 int dbidx, more_to_do = 0; 4666 4667 ISP_LOCK(isp); 4668 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 4669 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 4670 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 4671 4672 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 4673 continue; 4674 } 4675 if (lp->gone_timer != 0) { 4676 lp->gone_timer -= 1; 4677 more_to_do++; 4678 continue; 4679 } 4680 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 4681 if (lp->is_target) { 4682 lp->is_target = 0; 4683 isp_make_gone(isp, lp, chan, dbidx); 4684 } 4685 if (lp->is_initiator) { 4686 lp->is_initiator = 0; 4687 ac.contract_number = AC_CONTRACT_DEV_CHG; 4688 adc = (struct ac_device_changed *) ac.contract_data; 4689 adc->wwpn = lp->port_wwn; 4690 adc->port = lp->portid; 4691 adc->target = dbidx; 4692 adc->arrived = 0; 4693 xpt_async(AC_CONTRACT, fc->path, &ac); 4694 } 4695 lp->state = FC_PORTDB_STATE_NIL; 4696 } 4697 if (fc->ready) { 4698 if (more_to_do) { 4699 callout_reset(&fc->gdt, hz, isp_gdt, fc); 4700 } else { 4701 callout_deactivate(&fc->gdt); 4702 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 4703 } 4704 } 4705 ISP_UNLOCK(isp); 4706 } 4707 4708 /* 4709 * Loop Down Timer Function- when loop goes down, a timer is started and 4710 * and after it expires we come here and take all probational devices that 4711 * the OS knows about and the tell the OS that they've gone away. 4712 * 4713 * We don't clear the devices out of our port database because, when loop 4714 * come back up, we have to do some actual cleanup with the chip at that 4715 * point (implicit PLOGO, e.g., to get the chip's port database state right). 4716 */ 4717 static void 4718 isp_ldt(void *arg) 4719 { 4720 struct isp_fc *fc = arg; 4721 taskqueue_enqueue(taskqueue_thread, &fc->ltask); 4722 } 4723 4724 static void 4725 isp_ldt_task(void *arg, int pending) 4726 { 4727 struct isp_fc *fc = arg; 4728 ispsoftc_t *isp = fc->isp; 4729 int chan = fc - isp->isp_osinfo.pc.fc; 4730 fcportdb_t *lp; 4731 struct ac_contract ac; 4732 struct ac_device_changed *adc; 4733 int dbidx, i; 4734 4735 ISP_LOCK(isp); 4736 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_uptime); 4737 callout_deactivate(&fc->ldt); 4738 4739 /* 4740 * Notify to the OS all targets who we now consider have departed. 4741 */ 4742 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 4743 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 4744 4745 if (lp->state == FC_PORTDB_STATE_NIL) 4746 continue; 4747 4748 /* 4749 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 4750 */ 4751 for (i = 0; i < isp->isp_maxcmds; i++) { 4752 struct ccb_scsiio *xs; 4753 4754 if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) { 4755 continue; 4756 } 4757 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 4758 continue; 4759 } 4760 if (dbidx != XS_TGT(xs)) { 4761 continue; 4762 } 4763 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%d orphaned by loop down timeout", 4764 isp->isp_xflist[i].handle, chan, XS_TGT(xs), XS_LUN(xs)); 4765 } 4766 4767 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 4768 if (lp->is_target) { 4769 lp->is_target = 0; 4770 isp_make_gone(isp, lp, chan, dbidx); 4771 } 4772 if (lp->is_initiator) { 4773 lp->is_initiator = 0; 4774 ac.contract_number = AC_CONTRACT_DEV_CHG; 4775 adc = (struct ac_device_changed *) ac.contract_data; 4776 adc->wwpn = lp->port_wwn; 4777 adc->port = lp->portid; 4778 adc->target = dbidx; 4779 adc->arrived = 0; 4780 xpt_async(AC_CONTRACT, fc->path, &ac); 4781 } 4782 } 4783 4784 isp_unfreeze_loopdown(isp, chan); 4785 /* 4786 * The loop down timer has expired. Wake up the kthread 4787 * to notice that fact (or make it false). 4788 */ 4789 fc->loop_dead = 1; 4790 fc->loop_down_time = fc->loop_down_limit+1; 4791 wakeup(fc); 4792 ISP_UNLOCK(isp); 4793 } 4794 4795 static void 4796 isp_kthread(void *arg) 4797 { 4798 struct isp_fc *fc = arg; 4799 ispsoftc_t *isp = fc->isp; 4800 int chan = fc - isp->isp_osinfo.pc.fc; 4801 int slp = 0; 4802 4803 mtx_lock(&isp->isp_osinfo.lock); 4804 4805 while (isp->isp_osinfo.is_exiting == 0) { 4806 int lb, lim; 4807 4808 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan); 4809 lb = isp_fc_runstate(isp, chan, 250000); 4810 4811 /* 4812 * Our action is different based upon whether we're supporting 4813 * Initiator mode or not. If we are, we might freeze the simq 4814 * when loop is down and set all sorts of different delays to 4815 * check again. 4816 * 4817 * If not, we simply just wait for loop to come up. 4818 */ 4819 if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) { 4820 /* 4821 * Increment loop down time by the last sleep interval 4822 */ 4823 fc->loop_down_time += slp; 4824 4825 if (lb < 0) { 4826 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time); 4827 } else { 4828 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); 4829 } 4830 4831 /* 4832 * If we've never seen loop up and we've waited longer 4833 * than quickboot time, or we've seen loop up but we've 4834 * waited longer than loop_down_limit, give up and go 4835 * to sleep until loop comes up. 4836 */ 4837 if (FCPARAM(isp, chan)->loop_seen_once == 0) { 4838 lim = isp_quickboot_time; 4839 } else { 4840 lim = fc->loop_down_limit; 4841 } 4842 if (fc->loop_down_time >= lim) { 4843 isp_freeze_loopdown(isp, chan, "loop limit hit"); 4844 slp = 0; 4845 } else if (fc->loop_down_time < 10) { 4846 slp = 1; 4847 } else if (fc->loop_down_time < 30) { 4848 slp = 5; 4849 } else if (fc->loop_down_time < 60) { 4850 slp = 10; 4851 } else if (fc->loop_down_time < 120) { 4852 slp = 20; 4853 } else { 4854 slp = 30; 4855 } 4856 4857 } else if (lb) { 4858 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan); 4859 fc->loop_down_time += slp; 4860 if (fc->loop_down_time > 300) 4861 slp = 0; 4862 else 4863 slp = 60; 4864 } else { 4865 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan); 4866 fc->loop_down_time = 0; 4867 slp = 0; 4868 } 4869 4870 4871 /* 4872 * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it 4873 * now so that CAM can start sending us commands. 4874 * 4875 * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again 4876 * or kill the commands, as appropriate. 4877 */ 4878 4879 if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) { 4880 isp_unfreeze_loopdown(isp, chan); 4881 } 4882 4883 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp); 4884 4885 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz); 4886 4887 /* 4888 * If slp is zero, we're waking up for the first time after 4889 * things have been okay. In this case, we set a deferral state 4890 * for all commands and delay hysteresis seconds before starting 4891 * the FC state evaluation. This gives the loop/fabric a chance 4892 * to settle. 4893 */ 4894 if (slp == 0 && fc->hysteresis) { 4895 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz); 4896 mtx_unlock(&isp->isp_osinfo.lock); 4897 pause("ispt", fc->hysteresis * hz); 4898 mtx_lock(&isp->isp_osinfo.lock); 4899 } 4900 } 4901 fc->num_threads -= 1; 4902 mtx_unlock(&isp->isp_osinfo.lock); 4903 kthread_exit(); 4904 } 4905 4906 static void 4907 isp_action(struct cam_sim *sim, union ccb *ccb) 4908 { 4909 int bus, tgt, ts, error, lim; 4910 ispsoftc_t *isp; 4911 struct ccb_trans_settings *cts; 4912 4913 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 4914 4915 isp = (ispsoftc_t *)cam_sim_softc(sim); 4916 mtx_assert(&isp->isp_lock, MA_OWNED); 4917 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 4918 ISP_PCMD(ccb) = NULL; 4919 4920 if (isp->isp_state != ISP_RUNSTATE && ccb->ccb_h.func_code == XPT_SCSI_IO) { 4921 isp_init(isp); 4922 if (isp->isp_state != ISP_INITSTATE) { 4923 /* 4924 * Lie. Say it was a selection timeout. 4925 */ 4926 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 4927 isp_done((struct ccb_scsiio *) ccb); 4928 return; 4929 } 4930 isp->isp_state = ISP_RUNSTATE; 4931 } 4932 4933 switch (ccb->ccb_h.func_code) { 4934 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 4935 bus = XS_CHANNEL(ccb); 4936 /* 4937 * Do a couple of preliminary checks... 4938 */ 4939 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 4940 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 4941 ccb->ccb_h.status = CAM_REQ_INVALID; 4942 isp_done((struct ccb_scsiio *) ccb); 4943 break; 4944 } 4945 } 4946 ccb->csio.req_map = NULL; 4947 #ifdef DIAGNOSTIC 4948 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) { 4949 xpt_print(ccb->ccb_h.path, "invalid target\n"); 4950 ccb->ccb_h.status = CAM_PATH_INVALID; 4951 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) { 4952 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 4953 ccb->ccb_h.status = CAM_PATH_INVALID; 4954 } 4955 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 4956 xpt_done(ccb); 4957 break; 4958 } 4959 #endif 4960 ccb->csio.scsi_status = SCSI_STATUS_OK; 4961 if (isp_get_pcmd(isp, ccb)) { 4962 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 4963 cam_freeze_devq(ccb->ccb_h.path); 4964 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 4965 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4966 xpt_done(ccb); 4967 break; 4968 } 4969 error = isp_start((XS_T *) ccb); 4970 switch (error) { 4971 case CMD_QUEUED: 4972 ccb->ccb_h.status |= CAM_SIM_QUEUED; 4973 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) { 4974 break; 4975 } 4976 ts = ccb->ccb_h.timeout; 4977 if (ts == CAM_TIME_DEFAULT) { 4978 ts = 60*1000; 4979 } 4980 ts = isp_mstohz(ts); 4981 callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb); 4982 break; 4983 case CMD_RQLATER: 4984 /* 4985 * We get this result for FC devices if the loop state isn't ready yet 4986 * or if the device in question has gone zombie on us. 4987 * 4988 * If we've never seen Loop UP at all, we requeue this request and wait 4989 * for the initial loop up delay to expire. 4990 */ 4991 lim = ISP_FC_PC(isp, bus)->loop_down_limit; 4992 if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) { 4993 if (FCPARAM(isp, bus)->loop_seen_once == 0) { 4994 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d loop not seen yet @ %lu", XS_TGT(ccb), XS_LUN(ccb), (unsigned long) time_uptime); 4995 } else { 4996 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d downtime (%d) > lim (%d)", XS_TGT(ccb), XS_LUN(ccb), ISP_FC_PC(isp, bus)->loop_down_time, lim); 4997 } 4998 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 4999 isp_done((struct ccb_scsiio *) ccb); 5000 break; 5001 } 5002 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb)); 5003 cam_freeze_devq(ccb->ccb_h.path); 5004 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 5005 ccb->ccb_h.status = CAM_REQUEUE_REQ; 5006 isp_free_pcmd(isp, ccb); 5007 xpt_done(ccb); 5008 break; 5009 case CMD_EAGAIN: 5010 isp_free_pcmd(isp, ccb); 5011 cam_freeze_devq(ccb->ccb_h.path); 5012 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 5013 ccb->ccb_h.status = CAM_REQUEUE_REQ; 5014 xpt_done(ccb); 5015 break; 5016 case CMD_COMPLETE: 5017 isp_done((struct ccb_scsiio *) ccb); 5018 break; 5019 default: 5020 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 5021 ccb->ccb_h.status = CAM_REQUEUE_REQ; 5022 isp_free_pcmd(isp, ccb); 5023 xpt_done(ccb); 5024 } 5025 break; 5026 5027 #ifdef ISP_TARGET_MODE 5028 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 5029 if (ccb->cel.enable) { 5030 isp_enable_lun(isp, ccb); 5031 } else { 5032 isp_disable_lun(isp, ccb); 5033 } 5034 break; 5035 case XPT_IMMED_NOTIFY: 5036 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 5037 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 5038 { 5039 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 5040 if (tptr == NULL) { 5041 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD); 5042 } 5043 if (tptr == NULL) { 5044 const char *str; 5045 uint32_t tag; 5046 5047 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 5048 str = "XPT_IMMEDIATE_NOTIFY"; 5049 tag = ccb->cin1.seq_id; 5050 } else { 5051 tag = ccb->atio.tag_id; 5052 str = "XPT_ACCEPT_TARGET_IO"; 5053 } 5054 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str); 5055 dump_tstates(isp, XS_CHANNEL(ccb)); 5056 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 5057 break; 5058 } 5059 ccb->ccb_h.spriv_field0 = 0; 5060 ccb->ccb_h.spriv_ptr1 = isp; 5061 5062 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 5063 if (ccb->atio.tag_id) { 5064 atio_private_data_t *atp = isp_find_atpd(isp, tptr, ccb->atio.tag_id); 5065 if (atp) { 5066 isp_put_atpd(isp, tptr, atp); 5067 } 5068 } 5069 tptr->atio_count++; 5070 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 5071 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n", 5072 ccb->atio.tag_id, tptr->atio_count); 5073 ccb->atio.tag_id = 0; 5074 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 5075 if (ccb->cin1.tag_id) { 5076 inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id); 5077 if (ntp) { 5078 isp_put_ntpd(isp, tptr, ntp); 5079 } 5080 } 5081 tptr->inot_count++; 5082 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 5083 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n", 5084 ccb->cin1.seq_id, tptr->inot_count); 5085 ccb->cin1.seq_id = 0; 5086 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 5087 tptr->inot_count++; 5088 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 5089 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n", 5090 ccb->cin1.seq_id, tptr->inot_count); 5091 ccb->cin1.seq_id = 0; 5092 } 5093 rls_lun_statep(isp, tptr); 5094 ccb->ccb_h.status = CAM_REQ_INPROG; 5095 break; 5096 } 5097 case XPT_NOTIFY_ACK: 5098 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5099 break; 5100 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 5101 { 5102 tstate_t *tptr; 5103 inot_private_data_t *ntp; 5104 5105 /* 5106 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 5107 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 5108 */ 5109 /* 5110 * All the relevant path information is in the associated immediate notify 5111 */ 5112 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); 5113 ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr); 5114 if (ntp == NULL) { 5115 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__, 5116 ccb->cna2.tag_id, ccb->cna2.seq_id); 5117 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 5118 xpt_done(ccb); 5119 break; 5120 } 5121 if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) { 5122 rls_lun_statep(isp, tptr); 5123 cam_freeze_devq(ccb->ccb_h.path); 5124 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 5125 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 5126 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 5127 break; 5128 } 5129 isp_put_ntpd(isp, tptr, ntp); 5130 rls_lun_statep(isp, tptr); 5131 ccb->ccb_h.status = CAM_REQ_CMP; 5132 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); 5133 xpt_done(ccb); 5134 break; 5135 } 5136 case XPT_CONT_TARGET_IO: 5137 isp_target_start_ctio(isp, ccb, FROM_CAM); 5138 break; 5139 #endif 5140 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 5141 { 5142 struct isp_fc *fc; 5143 5144 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path)); 5145 tgt = ccb->ccb_h.target_id; 5146 tgt |= (bus << 16); 5147 if (IS_FC(isp)) 5148 fc = ISP_FC_PC(isp, bus); 5149 else 5150 fc = NULL; 5151 5152 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 5153 if (error) { 5154 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5155 } else { 5156 /* 5157 * If we have a FC device, reset the Command 5158 * Reference Number, because the target will expect 5159 * that we re-start the CRN at 1 after a reset. 5160 */ 5161 if (fc != NULL) 5162 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5163 5164 ccb->ccb_h.status = CAM_REQ_CMP; 5165 } 5166 xpt_done(ccb); 5167 break; 5168 } 5169 case XPT_ABORT: /* Abort the specified CCB */ 5170 { 5171 union ccb *accb = ccb->cab.abort_ccb; 5172 switch (accb->ccb_h.func_code) { 5173 #ifdef ISP_TARGET_MODE 5174 case XPT_ACCEPT_TARGET_IO: 5175 isp_target_mark_aborted(isp, ccb); 5176 break; 5177 #endif 5178 case XPT_SCSI_IO: 5179 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 5180 if (error) { 5181 ccb->ccb_h.status = CAM_UA_ABORT; 5182 } else { 5183 ccb->ccb_h.status = CAM_REQ_CMP; 5184 } 5185 break; 5186 default: 5187 ccb->ccb_h.status = CAM_REQ_INVALID; 5188 break; 5189 } 5190 /* 5191 * This is not a queued CCB, so the caller expects it to be 5192 * complete when control is returned. 5193 */ 5194 break; 5195 } 5196 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 5197 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 5198 cts = &ccb->cts; 5199 if (!IS_CURRENT_SETTINGS(cts)) { 5200 ccb->ccb_h.status = CAM_REQ_INVALID; 5201 xpt_done(ccb); 5202 break; 5203 } 5204 tgt = cts->ccb_h.target_id; 5205 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 5206 if (IS_SCSI(isp)) { 5207 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5208 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 5209 sdparam *sdp = SDPARAM(isp, bus); 5210 uint16_t *dptr; 5211 5212 if (spi->valid == 0 && scsi->valid == 0) { 5213 ccb->ccb_h.status = CAM_REQ_CMP; 5214 xpt_done(ccb); 5215 break; 5216 } 5217 5218 /* 5219 * We always update (internally) from goal_flags 5220 * so any request to change settings just gets 5221 * vectored to that location. 5222 */ 5223 dptr = &sdp->isp_devparam[tgt].goal_flags; 5224 5225 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 5226 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 5227 *dptr |= DPARM_DISC; 5228 else 5229 *dptr &= ~DPARM_DISC; 5230 } 5231 5232 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 5233 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 5234 *dptr |= DPARM_TQING; 5235 else 5236 *dptr &= ~DPARM_TQING; 5237 } 5238 5239 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 5240 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 5241 *dptr |= DPARM_WIDE; 5242 else 5243 *dptr &= ~DPARM_WIDE; 5244 } 5245 5246 /* 5247 * XXX: FIX ME 5248 */ 5249 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 5250 *dptr |= DPARM_SYNC; 5251 /* 5252 * XXX: CHECK FOR LEGALITY 5253 */ 5254 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 5255 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 5256 } else { 5257 *dptr &= ~DPARM_SYNC; 5258 } 5259 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, 5260 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 5261 sdp->isp_devparam[tgt].dev_update = 1; 5262 sdp->update = 1; 5263 } 5264 ccb->ccb_h.status = CAM_REQ_CMP; 5265 xpt_done(ccb); 5266 break; 5267 case XPT_GET_TRAN_SETTINGS: 5268 cts = &ccb->cts; 5269 tgt = cts->ccb_h.target_id; 5270 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 5271 if (IS_FC(isp)) { 5272 fcparam *fcp = FCPARAM(isp, bus); 5273 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5274 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 5275 5276 cts->protocol = PROTO_SCSI; 5277 cts->protocol_version = SCSI_REV_2; 5278 cts->transport = XPORT_FC; 5279 cts->transport_version = 0; 5280 5281 scsi->valid = CTS_SCSI_VALID_TQ; 5282 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 5283 fc->valid = CTS_FC_VALID_SPEED; 5284 fc->bitrate = 100000; 5285 fc->bitrate *= fcp->isp_gbspeed; 5286 if (tgt < MAX_FC_TARG) { 5287 fcportdb_t *lp = &fcp->portdb[tgt]; 5288 fc->wwnn = lp->node_wwn; 5289 fc->wwpn = lp->port_wwn; 5290 fc->port = lp->portid; 5291 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 5292 } 5293 } else { 5294 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5295 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 5296 sdparam *sdp = SDPARAM(isp, bus); 5297 uint16_t dval, pval, oval; 5298 5299 if (IS_CURRENT_SETTINGS(cts)) { 5300 sdp->isp_devparam[tgt].dev_refresh = 1; 5301 sdp->update = 1; 5302 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 5303 dval = sdp->isp_devparam[tgt].actv_flags; 5304 oval = sdp->isp_devparam[tgt].actv_offset; 5305 pval = sdp->isp_devparam[tgt].actv_period; 5306 } else { 5307 dval = sdp->isp_devparam[tgt].nvrm_flags; 5308 oval = sdp->isp_devparam[tgt].nvrm_offset; 5309 pval = sdp->isp_devparam[tgt].nvrm_period; 5310 } 5311 5312 cts->protocol = PROTO_SCSI; 5313 cts->protocol_version = SCSI_REV_2; 5314 cts->transport = XPORT_SPI; 5315 cts->transport_version = 2; 5316 5317 spi->valid = 0; 5318 scsi->valid = 0; 5319 spi->flags = 0; 5320 scsi->flags = 0; 5321 if (dval & DPARM_DISC) { 5322 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 5323 } 5324 if ((dval & DPARM_SYNC) && oval && pval) { 5325 spi->sync_offset = oval; 5326 spi->sync_period = pval; 5327 } else { 5328 spi->sync_offset = 0; 5329 spi->sync_period = 0; 5330 } 5331 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 5332 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 5333 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 5334 if (dval & DPARM_WIDE) { 5335 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 5336 } else { 5337 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 5338 } 5339 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 5340 scsi->valid = CTS_SCSI_VALID_TQ; 5341 if (dval & DPARM_TQING) { 5342 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 5343 } 5344 spi->valid |= CTS_SPI_VALID_DISC; 5345 } 5346 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 5347 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval); 5348 } 5349 ccb->ccb_h.status = CAM_REQ_CMP; 5350 xpt_done(ccb); 5351 break; 5352 5353 case XPT_CALC_GEOMETRY: 5354 cam_calc_geometry(&ccb->ccg, 1); 5355 xpt_done(ccb); 5356 break; 5357 5358 case XPT_RESET_BUS: /* Reset the specified bus */ 5359 bus = cam_sim_bus(sim); 5360 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 5361 if (error) { 5362 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5363 xpt_done(ccb); 5364 break; 5365 } 5366 if (bootverbose) { 5367 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 5368 } 5369 if (IS_FC(isp)) { 5370 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 5371 } else { 5372 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 5373 } 5374 ccb->ccb_h.status = CAM_REQ_CMP; 5375 xpt_done(ccb); 5376 break; 5377 5378 case XPT_TERM_IO: /* Terminate the I/O process */ 5379 ccb->ccb_h.status = CAM_REQ_INVALID; 5380 xpt_done(ccb); 5381 break; 5382 5383 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 5384 { 5385 struct ccb_sim_knob *kp = &ccb->knob; 5386 fcparam *fcp; 5387 5388 if (!IS_FC(isp)) { 5389 ccb->ccb_h.status = CAM_REQ_INVALID; 5390 xpt_done(ccb); 5391 break; 5392 } 5393 5394 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 5395 fcp = FCPARAM(isp, bus); 5396 5397 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 5398 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 5399 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 5400 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 5401 } 5402 ccb->ccb_h.status = CAM_REQ_CMP; 5403 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 5404 int rchange = 0; 5405 int newrole = 0; 5406 5407 switch (kp->xport_specific.fc.role) { 5408 case KNOB_ROLE_NONE: 5409 if (fcp->role != ISP_ROLE_NONE) { 5410 rchange = 1; 5411 newrole = ISP_ROLE_NONE; 5412 } 5413 break; 5414 case KNOB_ROLE_TARGET: 5415 if (fcp->role != ISP_ROLE_TARGET) { 5416 rchange = 1; 5417 newrole = ISP_ROLE_TARGET; 5418 } 5419 break; 5420 case KNOB_ROLE_INITIATOR: 5421 if (fcp->role != ISP_ROLE_INITIATOR) { 5422 rchange = 1; 5423 newrole = ISP_ROLE_INITIATOR; 5424 } 5425 break; 5426 case KNOB_ROLE_BOTH: 5427 if (fcp->role != ISP_ROLE_BOTH) { 5428 rchange = 1; 5429 newrole = ISP_ROLE_BOTH; 5430 } 5431 break; 5432 } 5433 if (rchange) { 5434 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 5435 #ifdef ISP_TARGET_MODE 5436 ISP_SET_PC(isp, bus, tm_enabled, 0); 5437 ISP_SET_PC(isp, bus, tm_luns_enabled, 0); 5438 #endif 5439 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 5440 bus, newrole) != 0) { 5441 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5442 xpt_done(ccb); 5443 break; 5444 } 5445 #ifdef ISP_TARGET_MODE 5446 if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) { 5447 /* 5448 * Give the new role a chance to complain and settle 5449 */ 5450 msleep(isp, &isp->isp_lock, PRIBIO, "taking a breather", 2); 5451 ccb->ccb_h.status = isp_enable_deferred_luns(isp, bus); 5452 } 5453 #endif 5454 } 5455 } 5456 xpt_done(ccb); 5457 break; 5458 } 5459 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 5460 { 5461 struct ccb_sim_knob *kp = &ccb->knob; 5462 5463 if (IS_FC(isp)) { 5464 fcparam *fcp; 5465 5466 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 5467 fcp = FCPARAM(isp, bus); 5468 5469 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 5470 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 5471 switch (fcp->role) { 5472 case ISP_ROLE_NONE: 5473 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 5474 break; 5475 case ISP_ROLE_TARGET: 5476 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 5477 break; 5478 case ISP_ROLE_INITIATOR: 5479 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 5480 break; 5481 case ISP_ROLE_BOTH: 5482 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 5483 break; 5484 } 5485 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 5486 ccb->ccb_h.status = CAM_REQ_CMP; 5487 } else { 5488 ccb->ccb_h.status = CAM_REQ_INVALID; 5489 } 5490 xpt_done(ccb); 5491 break; 5492 } 5493 case XPT_PATH_INQ: /* Path routing inquiry */ 5494 { 5495 struct ccb_pathinq *cpi = &ccb->cpi; 5496 5497 cpi->version_num = 1; 5498 #ifdef ISP_TARGET_MODE 5499 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 5500 #else 5501 cpi->target_sprt = 0; 5502 #endif 5503 cpi->hba_eng_cnt = 0; 5504 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 5505 cpi->max_lun = ISP_MAX_LUNS(isp) - 1; 5506 cpi->bus_id = cam_sim_bus(sim); 5507 if (isp->isp_osinfo.sixtyfourbit) 5508 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 5509 else 5510 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 5511 5512 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path)); 5513 if (IS_FC(isp)) { 5514 fcparam *fcp = FCPARAM(isp, bus); 5515 5516 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 5517 5518 /* 5519 * Because our loop ID can shift from time to time, 5520 * make our initiator ID out of range of our bus. 5521 */ 5522 cpi->initiator_id = cpi->max_target + 1; 5523 5524 /* 5525 * Set base transfer capabilities for Fibre Channel, for this HBA. 5526 */ 5527 if (IS_25XX(isp)) { 5528 cpi->base_transfer_speed = 8000000; 5529 } else if (IS_24XX(isp)) { 5530 cpi->base_transfer_speed = 4000000; 5531 } else if (IS_23XX(isp)) { 5532 cpi->base_transfer_speed = 2000000; 5533 } else { 5534 cpi->base_transfer_speed = 1000000; 5535 } 5536 cpi->hba_inquiry = PI_TAG_ABLE; 5537 cpi->transport = XPORT_FC; 5538 cpi->transport_version = 0; 5539 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 5540 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 5541 cpi->xport_specific.fc.port = fcp->isp_portid; 5542 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 5543 } else { 5544 sdparam *sdp = SDPARAM(isp, bus); 5545 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 5546 cpi->hba_misc = PIM_UNMAPPED; 5547 cpi->initiator_id = sdp->isp_initiator_id; 5548 cpi->base_transfer_speed = 3300; 5549 cpi->transport = XPORT_SPI; 5550 cpi->transport_version = 2; 5551 } 5552 cpi->protocol = PROTO_SCSI; 5553 cpi->protocol_version = SCSI_REV_2; 5554 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 5555 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 5556 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 5557 cpi->unit_number = cam_sim_unit(sim); 5558 cpi->ccb_h.status = CAM_REQ_CMP; 5559 xpt_done(ccb); 5560 break; 5561 } 5562 default: 5563 ccb->ccb_h.status = CAM_REQ_INVALID; 5564 xpt_done(ccb); 5565 break; 5566 } 5567 } 5568 5569 #define ISPDDB (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB) 5570 5571 void 5572 isp_done(XS_T *sccb) 5573 { 5574 ispsoftc_t *isp = XS_ISP(sccb); 5575 uint32_t status; 5576 5577 if (XS_NOERR(sccb)) 5578 XS_SETERR(sccb, CAM_REQ_CMP); 5579 5580 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 5581 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 5582 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 5583 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 5584 } else { 5585 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 5586 } 5587 } 5588 5589 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5590 status = sccb->ccb_h.status & CAM_STATUS_MASK; 5591 if (status != CAM_REQ_CMP) { 5592 if (status != CAM_SEL_TIMEOUT) 5593 isp_prt(isp, ISP_LOGDEBUG0, "target %d lun %d CAM status 0x%x SCSI status 0x%x", XS_TGT(sccb), XS_LUN(sccb), sccb->ccb_h.status, sccb->scsi_status); 5594 else if ((IS_FC(isp)) 5595 && (XS_TGT(sccb) < MAX_FC_TARG)) { 5596 fcparam *fcp; 5597 5598 fcp = FCPARAM(isp, XS_CHANNEL(sccb)); 5599 fcp->portdb[XS_TGT(sccb)].is_target = 0; 5600 } 5601 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 5602 sccb->ccb_h.status |= CAM_DEV_QFRZN; 5603 xpt_freeze_devq(sccb->ccb_h.path, 1); 5604 } 5605 } 5606 5607 if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 5608 xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status); 5609 } 5610 5611 if (ISP_PCMD(sccb)) { 5612 if (callout_active(&PISP_PCMD(sccb)->wdog)) 5613 callout_stop(&PISP_PCMD(sccb)->wdog); 5614 isp_free_pcmd(isp, (union ccb *) sccb); 5615 } 5616 xpt_done((union ccb *) sccb); 5617 } 5618 5619 void 5620 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 5621 { 5622 int bus; 5623 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 5624 char buf[64]; 5625 char *msg = NULL; 5626 target_id_t tgt; 5627 fcportdb_t *lp; 5628 struct isp_fc *fc; 5629 struct cam_path *tmppath; 5630 struct ac_contract ac; 5631 struct ac_device_changed *adc; 5632 va_list ap; 5633 5634 switch (cmd) { 5635 case ISPASYNC_NEW_TGT_PARAMS: 5636 { 5637 struct ccb_trans_settings_scsi *scsi; 5638 struct ccb_trans_settings_spi *spi; 5639 int flags, tgt; 5640 sdparam *sdp; 5641 struct ccb_trans_settings cts; 5642 5643 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 5644 5645 va_start(ap, cmd); 5646 bus = va_arg(ap, int); 5647 tgt = va_arg(ap, int); 5648 va_end(ap); 5649 sdp = SDPARAM(isp, bus); 5650 5651 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 5652 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 5653 break; 5654 } 5655 flags = sdp->isp_devparam[tgt].actv_flags; 5656 cts.type = CTS_TYPE_CURRENT_SETTINGS; 5657 cts.protocol = PROTO_SCSI; 5658 cts.transport = XPORT_SPI; 5659 5660 scsi = &cts.proto_specific.scsi; 5661 spi = &cts.xport_specific.spi; 5662 5663 if (flags & DPARM_TQING) { 5664 scsi->valid |= CTS_SCSI_VALID_TQ; 5665 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 5666 } 5667 5668 if (flags & DPARM_DISC) { 5669 spi->valid |= CTS_SPI_VALID_DISC; 5670 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 5671 } 5672 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 5673 if (flags & DPARM_WIDE) { 5674 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 5675 } else { 5676 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 5677 } 5678 if (flags & DPARM_SYNC) { 5679 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 5680 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 5681 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 5682 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 5683 } 5684 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); 5685 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 5686 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 5687 xpt_free_path(tmppath); 5688 break; 5689 } 5690 case ISPASYNC_BUS_RESET: 5691 { 5692 va_start(ap, cmd); 5693 bus = va_arg(ap, int); 5694 va_end(ap); 5695 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 5696 if (IS_FC(isp)) { 5697 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 5698 } else { 5699 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 5700 } 5701 break; 5702 } 5703 case ISPASYNC_LIP: 5704 if (msg == NULL) { 5705 msg = "LIP Received"; 5706 } 5707 /* FALLTHROUGH */ 5708 case ISPASYNC_LOOP_RESET: 5709 if (msg == NULL) { 5710 msg = "LOOP Reset"; 5711 } 5712 /* FALLTHROUGH */ 5713 case ISPASYNC_LOOP_DOWN: 5714 { 5715 if (msg == NULL) { 5716 msg = "LOOP Down"; 5717 } 5718 va_start(ap, cmd); 5719 bus = va_arg(ap, int); 5720 va_end(ap); 5721 5722 FCPARAM(isp, bus)->isp_linkstate = 0; 5723 5724 fc = ISP_FC_PC(isp, bus); 5725 if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) { 5726 /* 5727 * We don't do any simq freezing if we are only in target mode 5728 */ 5729 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) { 5730 if (fc->path) { 5731 isp_freeze_loopdown(isp, bus, msg); 5732 } 5733 } 5734 if (!callout_active(&fc->ldt)) { 5735 callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc); 5736 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_uptime); 5737 } 5738 } 5739 isp_fcp_reset_crn(fc, /*tgt*/0, /*tgt_set*/ 0); 5740 5741 isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg); 5742 break; 5743 } 5744 case ISPASYNC_LOOP_UP: 5745 va_start(ap, cmd); 5746 bus = va_arg(ap, int); 5747 va_end(ap); 5748 fc = ISP_FC_PC(isp, bus); 5749 /* 5750 * Now we just note that Loop has come up. We don't 5751 * actually do anything because we're waiting for a 5752 * Change Notify before activating the FC cleanup 5753 * thread to look at the state of the loop again. 5754 */ 5755 FCPARAM(isp, bus)->isp_linkstate = 1; 5756 fc->loop_dead = 0; 5757 fc->loop_down_time = 0; 5758 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus); 5759 break; 5760 case ISPASYNC_DEV_ARRIVED: 5761 va_start(ap, cmd); 5762 bus = va_arg(ap, int); 5763 lp = va_arg(ap, fcportdb_t *); 5764 va_end(ap); 5765 fc = ISP_FC_PC(isp, bus); 5766 tgt = FC_PORTDB_TGT(isp, bus, lp); 5767 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5768 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 5769 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 5770 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 5771 lp->is_target = 1; 5772 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5773 isp_make_here(isp, lp, bus, tgt); 5774 } 5775 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 5776 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 5777 lp->is_initiator = 1; 5778 ac.contract_number = AC_CONTRACT_DEV_CHG; 5779 adc = (struct ac_device_changed *) ac.contract_data; 5780 adc->wwpn = lp->port_wwn; 5781 adc->port = lp->portid; 5782 adc->target = tgt; 5783 adc->arrived = 1; 5784 xpt_async(AC_CONTRACT, fc->path, &ac); 5785 } 5786 break; 5787 case ISPASYNC_DEV_CHANGED: 5788 va_start(ap, cmd); 5789 bus = va_arg(ap, int); 5790 lp = va_arg(ap, fcportdb_t *); 5791 va_end(ap); 5792 fc = ISP_FC_PC(isp, bus); 5793 tgt = FC_PORTDB_TGT(isp, bus, lp); 5794 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 5795 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 5796 changed: 5797 if (lp->is_target != 5798 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 5799 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 5800 lp->is_target = !lp->is_target; 5801 if (lp->is_target) { 5802 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5803 isp_make_here(isp, lp, bus, tgt); 5804 } else { 5805 isp_make_gone(isp, lp, bus, tgt); 5806 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5807 } 5808 } 5809 if (lp->is_initiator != 5810 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 5811 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 5812 lp->is_initiator = !lp->is_initiator; 5813 ac.contract_number = AC_CONTRACT_DEV_CHG; 5814 adc = (struct ac_device_changed *) ac.contract_data; 5815 adc->wwpn = lp->port_wwn; 5816 adc->port = lp->portid; 5817 adc->target = tgt; 5818 adc->arrived = lp->is_initiator; 5819 xpt_async(AC_CONTRACT, fc->path, &ac); 5820 } 5821 break; 5822 case ISPASYNC_DEV_STAYED: 5823 va_start(ap, cmd); 5824 bus = va_arg(ap, int); 5825 lp = va_arg(ap, fcportdb_t *); 5826 va_end(ap); 5827 fc = ISP_FC_PC(isp, bus); 5828 tgt = FC_PORTDB_TGT(isp, bus, lp); 5829 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5830 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 5831 goto changed; 5832 case ISPASYNC_DEV_GONE: 5833 va_start(ap, cmd); 5834 bus = va_arg(ap, int); 5835 lp = va_arg(ap, fcportdb_t *); 5836 va_end(ap); 5837 fc = ISP_FC_PC(isp, bus); 5838 tgt = FC_PORTDB_TGT(isp, bus, lp); 5839 /* 5840 * If this has a virtual target or initiator set the isp_gdt 5841 * timer running on it to delay its departure. 5842 */ 5843 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5844 if (lp->is_target || lp->is_initiator) { 5845 lp->state = FC_PORTDB_STATE_ZOMBIE; 5846 lp->gone_timer = fc->gone_device_time; 5847 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 5848 if (fc->ready && !callout_active(&fc->gdt)) { 5849 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); 5850 callout_reset(&fc->gdt, hz, isp_gdt, fc); 5851 } 5852 break; 5853 } 5854 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 5855 break; 5856 case ISPASYNC_CHANGE_NOTIFY: 5857 { 5858 char *msg; 5859 int evt, nphdl, nlstate, reason; 5860 5861 va_start(ap, cmd); 5862 bus = va_arg(ap, int); 5863 evt = va_arg(ap, int); 5864 if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) { 5865 nphdl = va_arg(ap, int); 5866 nlstate = va_arg(ap, int); 5867 reason = va_arg(ap, int); 5868 } else { 5869 nphdl = NIL_HANDLE; 5870 nlstate = reason = 0; 5871 } 5872 va_end(ap); 5873 fc = ISP_FC_PC(isp, bus); 5874 5875 if (evt == ISPASYNC_CHANGE_PDB) { 5876 msg = "Chan %d Port Database Changed"; 5877 } else if (evt == ISPASYNC_CHANGE_SNS) { 5878 msg = "Chan %d Name Server Database Changed"; 5879 } else { 5880 msg = "Chan %d Other Change Notify"; 5881 } 5882 5883 /* 5884 * If the loop down timer is running, cancel it. 5885 */ 5886 if (fc->ready && callout_active(&fc->ldt)) { 5887 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_uptime); 5888 callout_stop(&fc->ldt); 5889 } 5890 isp_prt(isp, ISP_LOGINFO, msg, bus); 5891 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) { 5892 isp_freeze_loopdown(isp, bus, msg); 5893 } 5894 wakeup(fc); 5895 break; 5896 } 5897 #ifdef ISP_TARGET_MODE 5898 case ISPASYNC_TARGET_NOTIFY: 5899 { 5900 isp_notify_t *notify; 5901 va_start(ap, cmd); 5902 notify = va_arg(ap, isp_notify_t *); 5903 va_end(ap); 5904 switch (notify->nt_ncode) { 5905 case NT_ABORT_TASK: 5906 case NT_ABORT_TASK_SET: 5907 case NT_CLEAR_ACA: 5908 case NT_CLEAR_TASK_SET: 5909 case NT_LUN_RESET: 5910 case NT_TARGET_RESET: 5911 /* 5912 * These are task management functions. 5913 */ 5914 isp_handle_platform_target_tmf(isp, notify); 5915 break; 5916 case NT_BUS_RESET: 5917 case NT_LIP_RESET: 5918 case NT_LINK_UP: 5919 case NT_LINK_DOWN: 5920 case NT_HBA_RESET: 5921 /* 5922 * No action need be taken here. 5923 */ 5924 break; 5925 case NT_GLOBAL_LOGOUT: 5926 case NT_LOGOUT: 5927 /* 5928 * This is device arrival/departure notification 5929 */ 5930 isp_handle_platform_target_notify_ack(isp, notify); 5931 break; 5932 default: 5933 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 5934 isp_handle_platform_target_notify_ack(isp, notify); 5935 break; 5936 } 5937 break; 5938 } 5939 case ISPASYNC_TARGET_NOTIFY_ACK: 5940 { 5941 void *inot; 5942 va_start(ap, cmd); 5943 inot = va_arg(ap, void *); 5944 va_end(ap); 5945 if (isp_notify_ack(isp, inot)) { 5946 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 5947 if (tp) { 5948 tp->isp = isp; 5949 if (inot) { 5950 memcpy(tp->data, inot, sizeof (tp->data)); 5951 tp->not = tp->data; 5952 } else { 5953 tp->not = NULL; 5954 } 5955 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 5956 callout_reset(&tp->timer, 5, 5957 isp_refire_notify_ack, tp); 5958 } else { 5959 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 5960 } 5961 } 5962 break; 5963 } 5964 case ISPASYNC_TARGET_ACTION: 5965 { 5966 isphdr_t *hp; 5967 5968 va_start(ap, cmd); 5969 hp = va_arg(ap, isphdr_t *); 5970 va_end(ap); 5971 switch (hp->rqs_entry_type) { 5972 default: 5973 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type); 5974 break; 5975 case RQSTYPE_NOTIFY: 5976 if (IS_SCSI(isp)) { 5977 isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp); 5978 } else if (IS_24XX(isp)) { 5979 isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp); 5980 } else { 5981 isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp); 5982 } 5983 break; 5984 case RQSTYPE_ATIO: 5985 if (IS_24XX(isp)) { 5986 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 5987 } else { 5988 isp_handle_platform_atio(isp, (at_entry_t *) hp); 5989 } 5990 break; 5991 case RQSTYPE_ATIO2: 5992 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 5993 break; 5994 case RQSTYPE_CTIO7: 5995 case RQSTYPE_CTIO3: 5996 case RQSTYPE_CTIO2: 5997 case RQSTYPE_CTIO: 5998 isp_handle_platform_ctio(isp, hp); 5999 break; 6000 case RQSTYPE_ABTS_RCVD: 6001 { 6002 abts_t *abts = (abts_t *)hp; 6003 isp_notify_t notify, *nt = ¬ify; 6004 tstate_t *tptr; 6005 fcportdb_t *lp; 6006 uint16_t chan; 6007 uint32_t sid, did; 6008 6009 did = (abts->abts_did_hi << 16) | abts->abts_did_lo; 6010 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo; 6011 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 6012 6013 nt->nt_hba = isp; 6014 nt->nt_did = did; 6015 nt->nt_nphdl = abts->abts_nphdl; 6016 nt->nt_sid = sid; 6017 isp_find_chan_by_did(isp, did, &chan); 6018 if (chan == ISP_NOCHAN) { 6019 nt->nt_tgt = TGT_ANY; 6020 } else { 6021 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn; 6022 if (isp_find_pdb_by_handle(isp, chan, abts->abts_nphdl, &lp)) { 6023 nt->nt_wwn = lp->port_wwn; 6024 } else { 6025 nt->nt_wwn = INI_ANY; 6026 } 6027 } 6028 /* 6029 * Try hard to find the lun for this command. 6030 */ 6031 tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task); 6032 if (tptr) { 6033 nt->nt_lun = tptr->ts_lun; 6034 rls_lun_statep(isp, tptr); 6035 } else { 6036 nt->nt_lun = LUN_ANY; 6037 } 6038 nt->nt_need_ack = 1; 6039 nt->nt_tagval = abts->abts_rxid_task; 6040 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32); 6041 if (abts->abts_rxid_task == ISP24XX_NO_TASK) { 6042 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)", 6043 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id); 6044 } else { 6045 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)", 6046 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id); 6047 } 6048 nt->nt_channel = chan; 6049 nt->nt_ncode = NT_ABORT_TASK; 6050 nt->nt_lreserved = hp; 6051 isp_handle_platform_target_tmf(isp, nt); 6052 break; 6053 } 6054 case RQSTYPE_ENABLE_LUN: 6055 case RQSTYPE_MODIFY_LUN: 6056 isp_ledone(isp, (lun_entry_t *) hp); 6057 break; 6058 } 6059 break; 6060 } 6061 #endif 6062 case ISPASYNC_FW_CRASH: 6063 { 6064 uint16_t mbox1, mbox6; 6065 mbox1 = ISP_READ(isp, OUTMAILBOX1); 6066 if (IS_DUALBUS(isp)) { 6067 mbox6 = ISP_READ(isp, OUTMAILBOX6); 6068 } else { 6069 mbox6 = 0; 6070 } 6071 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 6072 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 6073 isp->isp_osinfo.mbox_sleep_ok = 0; 6074 isp_reinit(isp, 1); 6075 isp->isp_osinfo.mbox_sleep_ok = mbox1; 6076 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 6077 break; 6078 } 6079 default: 6080 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 6081 break; 6082 } 6083 } 6084 6085 6086 /* 6087 * Locks are held before coming here. 6088 */ 6089 void 6090 isp_uninit(ispsoftc_t *isp) 6091 { 6092 if (IS_24XX(isp)) { 6093 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET); 6094 } else { 6095 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET); 6096 } 6097 ISP_DISABLE_INTS(isp); 6098 } 6099 6100 /* 6101 * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them 6102 * up from our platform default (defww{p|n}n) and morph them based upon 6103 * channel. 6104 * 6105 * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them 6106 * based upon channel. 6107 */ 6108 6109 uint64_t 6110 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 6111 { 6112 uint64_t seed; 6113 struct isp_fc *fc = ISP_FC_PC(isp, chan); 6114 6115 /* 6116 * If we're asking for a active WWN, the default overrides get 6117 * returned, otherwise the NVRAM value is picked. 6118 * 6119 * If we're asking for a default WWN, we just pick the default override. 6120 */ 6121 if (isactive) { 6122 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 6123 if (seed) { 6124 return (seed); 6125 } 6126 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram; 6127 if (seed) { 6128 return (seed); 6129 } 6130 return (0x400000007F000009ull); 6131 } 6132 6133 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 6134 6135 /* 6136 * For channel zero just return what we have. For either ACTIVE or 6137 * DEFAULT cases, we depend on default override of NVRAM values for 6138 * channel zero. 6139 */ 6140 if (chan == 0) { 6141 return (seed); 6142 } 6143 6144 /* 6145 * For other channels, we are doing one of three things: 6146 * 6147 * 1. If what we have now is non-zero, return it. Otherwise we morph 6148 * values from channel 0. 2. If we're here for a WWPN we synthesize 6149 * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a 6150 * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA. 6151 */ 6152 6153 if (seed) { 6154 return (seed); 6155 } 6156 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn; 6157 if (seed == 0) 6158 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram; 6159 6160 if (((seed >> 60) & 0xf) == 2) { 6161 /* 6162 * The type 2 NAA fields for QLogic cards appear be laid out 6163 * thusly: 6164 * 6165 * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56 6166 * port (1) or node (0) WWN distinguishor bit 48 6167 * physical port on dual-port chips (23XX/24XX) 6168 * 6169 * This is somewhat nutty, particularly since bit 48 is 6170 * irrelevant as they assign separate serial numbers to 6171 * different physical ports anyway. 6172 * 6173 * We'll stick our channel number plus one first into bits 6174 * 57..59 and thence into bits 52..55 which allows for 8 bits 6175 * of channel which is comfortably more than our maximum 6176 * (126) now. 6177 */ 6178 seed &= ~0x0FF0000000000000ULL; 6179 if (iswwnn == 0) { 6180 seed |= ((uint64_t) (chan + 1) & 0xf) << 56; 6181 seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 6182 } 6183 } else { 6184 seed = 0; 6185 } 6186 return (seed); 6187 } 6188 6189 void 6190 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 6191 { 6192 int loc; 6193 char lbuf[200]; 6194 va_list ap; 6195 6196 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 6197 return; 6198 } 6199 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 6200 loc = strlen(lbuf); 6201 va_start(ap, fmt); 6202 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 6203 va_end(ap); 6204 printf("%s\n", lbuf); 6205 } 6206 6207 void 6208 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 6209 { 6210 va_list ap; 6211 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 6212 return; 6213 } 6214 xpt_print_path(xs->ccb_h.path); 6215 va_start(ap, fmt); 6216 vprintf(fmt, ap); 6217 va_end(ap); 6218 printf("\n"); 6219 } 6220 6221 uint64_t 6222 isp_nanotime_sub(struct timespec *b, struct timespec *a) 6223 { 6224 uint64_t elapsed; 6225 struct timespec x = *b; 6226 timespecsub(&x, a); 6227 elapsed = GET_NANOSEC(&x); 6228 if (elapsed == 0) 6229 elapsed++; 6230 return (elapsed); 6231 } 6232 6233 int 6234 isp_mbox_acquire(ispsoftc_t *isp) 6235 { 6236 if (isp->isp_osinfo.mboxbsy) { 6237 return (1); 6238 } else { 6239 isp->isp_osinfo.mboxcmd_done = 0; 6240 isp->isp_osinfo.mboxbsy = 1; 6241 return (0); 6242 } 6243 } 6244 6245 void 6246 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 6247 { 6248 unsigned int usecs = mbp->timeout; 6249 unsigned int max, olim, ilim; 6250 6251 if (usecs == 0) { 6252 usecs = MBCMD_DEFAULT_TIMEOUT; 6253 } 6254 max = isp->isp_mbxwrk0 + 1; 6255 6256 if (isp->isp_osinfo.mbox_sleep_ok) { 6257 unsigned int ms = (usecs + 999) / 1000; 6258 6259 isp->isp_osinfo.mbox_sleep_ok = 0; 6260 isp->isp_osinfo.mbox_sleeping = 1; 6261 for (olim = 0; olim < max; olim++) { 6262 msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms)); 6263 if (isp->isp_osinfo.mboxcmd_done) { 6264 break; 6265 } 6266 } 6267 isp->isp_osinfo.mbox_sleep_ok = 1; 6268 isp->isp_osinfo.mbox_sleeping = 0; 6269 } else { 6270 for (olim = 0; olim < max; olim++) { 6271 for (ilim = 0; ilim < usecs; ilim += 100) { 6272 uint32_t isr; 6273 uint16_t sema, mbox; 6274 if (isp->isp_osinfo.mboxcmd_done) { 6275 break; 6276 } 6277 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 6278 isp_intr(isp, isr, sema, mbox); 6279 if (isp->isp_osinfo.mboxcmd_done) { 6280 break; 6281 } 6282 } 6283 ISP_DELAY(100); 6284 } 6285 if (isp->isp_osinfo.mboxcmd_done) { 6286 break; 6287 } 6288 } 6289 } 6290 if (isp->isp_osinfo.mboxcmd_done == 0) { 6291 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)", 6292 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno); 6293 mbp->param[0] = MBOX_TIMEOUT; 6294 isp->isp_osinfo.mboxcmd_done = 1; 6295 } 6296 } 6297 6298 void 6299 isp_mbox_notify_done(ispsoftc_t *isp) 6300 { 6301 if (isp->isp_osinfo.mbox_sleeping) { 6302 wakeup(&isp->isp_mbxworkp); 6303 } 6304 isp->isp_osinfo.mboxcmd_done = 1; 6305 } 6306 6307 void 6308 isp_mbox_release(ispsoftc_t *isp) 6309 { 6310 isp->isp_osinfo.mboxbsy = 0; 6311 } 6312 6313 int 6314 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 6315 { 6316 int ret = 0; 6317 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 6318 ret = -1; 6319 } else { 6320 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 6321 } 6322 return (ret); 6323 } 6324 6325 int 6326 isp_mstohz(int ms) 6327 { 6328 int hz; 6329 struct timeval t; 6330 t.tv_sec = ms / 1000; 6331 t.tv_usec = (ms % 1000) * 1000; 6332 hz = tvtohz(&t); 6333 if (hz < 0) { 6334 hz = 0x7fffffff; 6335 } 6336 if (hz == 0) { 6337 hz = 1; 6338 } 6339 return (hz); 6340 } 6341 6342 void 6343 isp_platform_intr(void *arg) 6344 { 6345 ispsoftc_t *isp = arg; 6346 uint32_t isr; 6347 uint16_t sema, mbox; 6348 6349 ISP_LOCK(isp); 6350 isp->isp_intcnt++; 6351 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) { 6352 isp->isp_intbogus++; 6353 } else { 6354 isp_intr(isp, isr, sema, mbox); 6355 } 6356 ISP_UNLOCK(isp); 6357 } 6358 6359 void 6360 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 6361 { 6362 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 6363 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 6364 } else { 6365 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 6366 } 6367 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 6368 } 6369 6370 /* 6371 * Reset the command reference number for all LUNs on a specific target 6372 * (needed when a target arrives again) or for all targets on a port 6373 * (needed for events like a LIP). 6374 */ 6375 void 6376 isp_fcp_reset_crn(struct isp_fc *fc, uint32_t tgt, int tgt_set) 6377 { 6378 int i; 6379 struct isp_nexus *nxp; 6380 6381 if (tgt_set == 0) 6382 isp_prt(fc->isp, ISP_LOG_SANCFG, "resetting CRN on all targets"); 6383 else 6384 isp_prt(fc->isp, ISP_LOG_SANCFG, "resetting CRN target %u", tgt); 6385 6386 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 6387 nxp = fc->nexus_hash[i]; 6388 while (nxp) { 6389 if ((tgt_set != 0) && (tgt == nxp->tgt)) 6390 nxp->crnseed = 0; 6391 6392 nxp = nxp->next; 6393 } 6394 } 6395 } 6396 6397 int 6398 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 6399 { 6400 uint32_t chan, tgt, lun; 6401 struct isp_fc *fc; 6402 struct isp_nexus *nxp; 6403 int idx; 6404 6405 if (isp->isp_type < ISP_HA_FC_2300) 6406 return (0); 6407 6408 chan = XS_CHANNEL(cmd); 6409 tgt = XS_TGT(cmd); 6410 lun = XS_LUN(cmd); 6411 fc = &isp->isp_osinfo.pc.fc[chan]; 6412 idx = NEXUS_HASH(tgt, lun); 6413 nxp = fc->nexus_hash[idx]; 6414 6415 while (nxp) { 6416 if (nxp->tgt == tgt && nxp->lun == lun) 6417 break; 6418 nxp = nxp->next; 6419 } 6420 if (nxp == NULL) { 6421 nxp = fc->nexus_free_list; 6422 if (nxp == NULL) { 6423 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 6424 if (nxp == NULL) { 6425 return (-1); 6426 } 6427 } else { 6428 fc->nexus_free_list = nxp->next; 6429 } 6430 nxp->tgt = tgt; 6431 nxp->lun = lun; 6432 nxp->next = fc->nexus_hash[idx]; 6433 fc->nexus_hash[idx] = nxp; 6434 } 6435 if (nxp) { 6436 if (nxp->crnseed == 0) 6437 nxp->crnseed = 1; 6438 if (cmd) 6439 PISP_PCMD(cmd)->crn = nxp->crnseed; 6440 *crnp = nxp->crnseed++; 6441 return (0); 6442 } 6443 return (-1); 6444 } 6445 6446 /* 6447 * We enter with the lock held 6448 */ 6449 void 6450 isp_timer(void *arg) 6451 { 6452 ispsoftc_t *isp = arg; 6453 #ifdef ISP_TARGET_MODE 6454 isp_tmcmd_restart(isp); 6455 #endif 6456 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 6457 } 6458 6459 isp_ecmd_t * 6460 isp_get_ecmd(ispsoftc_t *isp) 6461 { 6462 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 6463 if (ecmd) { 6464 isp->isp_osinfo.ecmd_free = ecmd->next; 6465 } 6466 return (ecmd); 6467 } 6468 6469 void 6470 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 6471 { 6472 ecmd->next = isp->isp_osinfo.ecmd_free; 6473 isp->isp_osinfo.ecmd_free = ecmd; 6474 } 6475