1 /*- 2 * Copyright (c) 1997-2009 by Matthew Jacob 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice immediately at the beginning of the file, without modification, 10 * this list of conditions, and the following disclaimer. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 /* 28 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters. 29 */ 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <dev/isp/isp_freebsd.h> 34 #include <sys/unistd.h> 35 #include <sys/kthread.h> 36 #include <sys/conf.h> 37 #include <sys/module.h> 38 #include <sys/ioccom.h> 39 #include <dev/isp/isp_ioctl.h> 40 #include <sys/devicestat.h> 41 #include <cam/cam_periph.h> 42 #include <cam/cam_xpt_periph.h> 43 44 #if __FreeBSD_version < 800002 45 #define THREAD_CREATE kthread_create 46 #else 47 #define THREAD_CREATE kproc_create 48 #endif 49 50 MODULE_VERSION(isp, 1); 51 MODULE_DEPEND(isp, cam, 1, 1, 1); 52 int isp_announced = 0; 53 int isp_fabric_hysteresis = 5; 54 int isp_loop_down_limit = 60; /* default loop down limit */ 55 int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */ 56 int isp_gone_device_time = 30; /* grace time before reporting device lost */ 57 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 58 59 static void isp_freeze_loopdown(ispsoftc_t *, int, char *); 60 static d_ioctl_t ispioctl; 61 static void isp_intr_enable(void *); 62 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *); 63 static void isp_poll(struct cam_sim *); 64 static timeout_t isp_watchdog; 65 static timeout_t isp_gdt; 66 static task_fn_t isp_gdt_task; 67 static timeout_t isp_ldt; 68 static task_fn_t isp_ldt_task; 69 static void isp_kthread(void *); 70 static void isp_action(struct cam_sim *, union ccb *); 71 #ifdef ISP_INTERNAL_TARGET 72 static void isp_target_thread_pi(void *); 73 static void isp_target_thread_fc(void *); 74 #endif 75 static int isp_timer_count; 76 static void isp_timer(void *); 77 78 static struct cdevsw isp_cdevsw = { 79 .d_version = D_VERSION, 80 .d_ioctl = ispioctl, 81 .d_name = "isp", 82 }; 83 84 static int 85 isp_role_sysctl(SYSCTL_HANDLER_ARGS) 86 { 87 ispsoftc_t *isp = (ispsoftc_t *)arg1; 88 int chan = arg2; 89 int error, old, value; 90 91 value = FCPARAM(isp, chan)->role; 92 93 error = sysctl_handle_int(oidp, &value, 0, req); 94 if ((error != 0) || (req->newptr == NULL)) 95 return (error); 96 97 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 98 return (EINVAL); 99 100 ISP_LOCK(isp); 101 old = FCPARAM(isp, chan)->role; 102 103 /* We don't allow target mode switch from here. */ 104 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 105 106 /* If nothing has changed -- we are done. */ 107 if (value == old) { 108 ISP_UNLOCK(isp); 109 return (0); 110 } 111 112 /* Actually change the role. */ 113 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 114 ISP_UNLOCK(isp); 115 return (error); 116 } 117 118 static int 119 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 120 { 121 struct ccb_setasync csa; 122 struct cam_sim *sim; 123 struct cam_path *path; 124 125 /* 126 * Construct our SIM entry. 127 */ 128 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); 129 130 if (sim == NULL) { 131 return (ENOMEM); 132 } 133 134 ISP_LOCK(isp); 135 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 136 ISP_UNLOCK(isp); 137 cam_sim_free(sim, FALSE); 138 return (EIO); 139 } 140 ISP_UNLOCK(isp); 141 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 142 ISP_LOCK(isp); 143 xpt_bus_deregister(cam_sim_path(sim)); 144 ISP_UNLOCK(isp); 145 cam_sim_free(sim, FALSE); 146 return (ENXIO); 147 } 148 xpt_setup_ccb(&csa.ccb_h, path, 5); 149 csa.ccb_h.func_code = XPT_SASYNC_CB; 150 csa.event_enable = AC_LOST_DEVICE; 151 csa.callback = isp_cam_async; 152 csa.callback_arg = sim; 153 154 ISP_LOCK(isp); 155 xpt_action((union ccb *)&csa); 156 ISP_UNLOCK(isp); 157 158 if (IS_SCSI(isp)) { 159 struct isp_spi *spi = ISP_SPI_PC(isp, chan); 160 spi->sim = sim; 161 spi->path = path; 162 #ifdef ISP_INTERNAL_TARGET 163 ISP_SET_PC(isp, chan, proc_active, 1); 164 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)) { 165 ISP_SET_PC(isp, chan, proc_active, 0); 166 isp_prt(isp, ISP_LOGERR, "cannot create test target thread"); 167 } 168 ISP_SPI_PC(isp, chan)->num_threads += 1; 169 #endif 170 } else { 171 fcparam *fcp = FCPARAM(isp, chan); 172 struct isp_fc *fc = ISP_FC_PC(isp, chan); 173 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 174 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 175 char name[16]; 176 177 ISP_LOCK(isp); 178 fc->sim = sim; 179 fc->path = path; 180 fc->isp = isp; 181 fc->ready = 1; 182 183 callout_init_mtx(&fc->ldt, &isp->isp_osinfo.lock, 0); 184 callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0); 185 TASK_INIT(&fc->ltask, 1, isp_ldt_task, fc); 186 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 187 188 /* 189 * We start by being "loop down" if we have an initiator role 190 */ 191 if (fcp->role & ISP_ROLE_INITIATOR) { 192 isp_freeze_loopdown(isp, chan, "isp_attach"); 193 callout_reset(&fc->ldt, isp_quickboot_time * hz, isp_ldt, fc); 194 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Initial Loop Down Timer @ %lu", (unsigned long) time_uptime); 195 } 196 ISP_UNLOCK(isp); 197 if (THREAD_CREATE(isp_kthread, fc, &fc->kproc, 0, 0, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 198 xpt_free_path(fc->path); 199 ISP_LOCK(isp); 200 if (callout_active(&fc->ldt)) 201 callout_stop(&fc->ldt); 202 xpt_bus_deregister(cam_sim_path(fc->sim)); 203 ISP_UNLOCK(isp); 204 cam_sim_free(fc->sim, FALSE); 205 return (ENOMEM); 206 } 207 fc->num_threads += 1; 208 #ifdef ISP_INTERNAL_TARGET 209 ISP_SET_PC(isp, chan, proc_active, 1); 210 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)) { 211 ISP_SET_PC(isp, chan, proc_active, 0); 212 isp_prt(isp, ISP_LOGERR, "cannot create test target thread"); 213 } 214 fc->num_threads += 1; 215 #endif 216 if (chan > 0) { 217 snprintf(name, sizeof(name), "chan%d", chan); 218 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 219 OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel"); 220 } 221 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 222 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 223 "World Wide Node Name"); 224 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 225 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 226 "World Wide Port Name"); 227 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 228 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 229 "Loop Down Limit"); 230 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 231 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 232 "Gone Device Time"); 233 #if defined(ISP_TARGET_MODE) && defined(DEBUG) 234 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 235 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 236 "Cause a Lost Frame on a Read"); 237 #endif 238 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 239 "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan, 240 isp_role_sysctl, "I", "Current role"); 241 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 242 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 243 "Connection speed in gigabits"); 244 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 245 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 246 "Link state"); 247 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 248 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 249 "Firmware state"); 250 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 251 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 252 "Loop state"); 253 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 254 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 255 "Connection topology"); 256 } 257 return (0); 258 } 259 260 static void 261 isp_detach_internal_target(ispsoftc_t *isp, int chan) 262 { 263 #ifdef ISP_INTERNAL_TARGET 264 void *wchan; 265 266 ISP_GET_PC(isp, chan, target_proc, wchan); 267 ISP_SET_PC(isp, chan, proc_active, 0); 268 wakeup(wchan); 269 #endif 270 } 271 272 static void 273 isp_detach_chan(ispsoftc_t *isp, int chan) 274 { 275 struct cam_sim *sim; 276 struct cam_path *path; 277 struct ccb_setasync csa; 278 int *num_threads; 279 280 ISP_GET_PC(isp, chan, sim, sim); 281 ISP_GET_PC(isp, chan, path, path); 282 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 283 284 xpt_setup_ccb(&csa.ccb_h, path, 5); 285 csa.ccb_h.func_code = XPT_SASYNC_CB; 286 csa.event_enable = 0; 287 csa.callback = isp_cam_async; 288 csa.callback_arg = sim; 289 xpt_action((union ccb *)&csa); 290 xpt_free_path(path); 291 xpt_bus_deregister(cam_sim_path(sim)); 292 cam_sim_free(sim, FALSE); 293 294 /* Wait for the channel's spawned threads to exit. */ 295 wakeup(isp->isp_osinfo.pc.ptr); 296 isp_detach_internal_target(isp, chan); 297 while (*num_threads != 0) 298 mtx_sleep(isp, &isp->isp_osinfo.lock, PRIBIO, "isp_reap", 100); 299 } 300 301 int 302 isp_attach(ispsoftc_t *isp) 303 { 304 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 305 int du = device_get_unit(isp->isp_dev); 306 int chan; 307 308 isp->isp_osinfo.ehook.ich_func = isp_intr_enable; 309 isp->isp_osinfo.ehook.ich_arg = isp; 310 /* 311 * Haha. Set this first, because if we're loaded as a module isp_intr_enable 312 * will be called right awawy, which will clear isp_osinfo.ehook_active, 313 * which would be unwise to then set again later. 314 */ 315 isp->isp_osinfo.ehook_active = 1; 316 if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) { 317 isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook"); 318 return (-EIO); 319 } 320 321 /* 322 * Create the device queue for our SIM(s). 323 */ 324 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 325 if (isp->isp_osinfo.devq == NULL) { 326 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 327 return (EIO); 328 } 329 330 for (chan = 0; chan < isp->isp_nchan; chan++) { 331 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 332 goto unwind; 333 } 334 } 335 336 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0); 337 isp_timer_count = hz >> 2; 338 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 339 isp->isp_osinfo.timer_active = 1; 340 341 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 342 if (isp->isp_osinfo.cdev) { 343 isp->isp_osinfo.cdev->si_drv1 = isp; 344 } 345 return (0); 346 347 unwind: 348 while (--chan >= 0) { 349 struct cam_sim *sim; 350 struct cam_path *path; 351 352 ISP_GET_PC(isp, chan, sim, sim); 353 ISP_GET_PC(isp, chan, path, path); 354 xpt_free_path(path); 355 ISP_LOCK(isp); 356 xpt_bus_deregister(cam_sim_path(sim)); 357 ISP_UNLOCK(isp); 358 cam_sim_free(sim, FALSE); 359 } 360 if (isp->isp_osinfo.ehook_active) { 361 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 362 isp->isp_osinfo.ehook_active = 0; 363 } 364 if (isp->isp_osinfo.cdev) { 365 destroy_dev(isp->isp_osinfo.cdev); 366 isp->isp_osinfo.cdev = NULL; 367 } 368 cam_simq_free(isp->isp_osinfo.devq); 369 isp->isp_osinfo.devq = NULL; 370 return (-1); 371 } 372 373 int 374 isp_detach(ispsoftc_t *isp) 375 { 376 struct cam_sim *sim; 377 int chan; 378 379 ISP_LOCK(isp); 380 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) { 381 ISP_GET_PC(isp, chan, sim, sim); 382 if (sim->refcount > 2) { 383 ISP_UNLOCK(isp); 384 return (EBUSY); 385 } 386 } 387 /* Tell spawned threads that we're exiting. */ 388 isp->isp_osinfo.is_exiting = 1; 389 if (isp->isp_osinfo.timer_active) { 390 callout_stop(&isp->isp_osinfo.tmo); 391 isp->isp_osinfo.timer_active = 0; 392 } 393 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 394 isp_detach_chan(isp, chan); 395 ISP_UNLOCK(isp); 396 397 if (isp->isp_osinfo.cdev) { 398 destroy_dev(isp->isp_osinfo.cdev); 399 isp->isp_osinfo.cdev = NULL; 400 } 401 if (isp->isp_osinfo.ehook_active) { 402 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 403 isp->isp_osinfo.ehook_active = 0; 404 } 405 if (isp->isp_osinfo.devq != NULL) { 406 cam_simq_free(isp->isp_osinfo.devq); 407 isp->isp_osinfo.devq = NULL; 408 } 409 return (0); 410 } 411 412 static void 413 isp_freeze_loopdown(ispsoftc_t *isp, int chan, char *msg) 414 { 415 if (IS_FC(isp)) { 416 struct isp_fc *fc = ISP_FC_PC(isp, chan); 417 if (fc->simqfrozen == 0) { 418 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown) chan %d", msg, chan); 419 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 420 #if __FreeBSD_version >= 1000039 421 xpt_hold_boot(); 422 #endif 423 xpt_freeze_simq(fc->sim, 1); 424 } else { 425 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown) chan %d", msg, chan); 426 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 427 } 428 } 429 } 430 431 static void 432 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 433 { 434 if (IS_FC(isp)) { 435 struct isp_fc *fc = ISP_FC_PC(isp, chan); 436 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 437 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 438 if (wasfrozen && fc->simqfrozen == 0) { 439 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d releasing simq", __func__, chan); 440 xpt_release_simq(fc->sim, 1); 441 #if __FreeBSD_version >= 1000039 442 xpt_release_boot(); 443 #endif 444 } 445 } 446 } 447 448 449 static int 450 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 451 { 452 ispsoftc_t *isp; 453 int nr, chan, retval = ENOTTY; 454 455 isp = dev->si_drv1; 456 457 switch (c) { 458 case ISP_SDBLEV: 459 { 460 int olddblev = isp->isp_dblev; 461 isp->isp_dblev = *(int *)addr; 462 *(int *)addr = olddblev; 463 retval = 0; 464 break; 465 } 466 case ISP_GETROLE: 467 chan = *(int *)addr; 468 if (chan < 0 || chan >= isp->isp_nchan) { 469 retval = -ENXIO; 470 break; 471 } 472 if (IS_FC(isp)) { 473 *(int *)addr = FCPARAM(isp, chan)->role; 474 } else { 475 *(int *)addr = SDPARAM(isp, chan)->role; 476 } 477 retval = 0; 478 break; 479 case ISP_SETROLE: 480 nr = *(int *)addr; 481 chan = nr >> 8; 482 if (chan < 0 || chan >= isp->isp_nchan) { 483 retval = -ENXIO; 484 break; 485 } 486 nr &= 0xff; 487 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 488 retval = EINVAL; 489 break; 490 } 491 ISP_LOCK(isp); 492 if (IS_FC(isp)) 493 *(int *)addr = FCPARAM(isp, chan)->role; 494 else 495 *(int *)addr = SDPARAM(isp, chan)->role; 496 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 497 ISP_UNLOCK(isp); 498 retval = 0; 499 break; 500 501 case ISP_RESETHBA: 502 ISP_LOCK(isp); 503 isp_reinit(isp, 0); 504 ISP_UNLOCK(isp); 505 retval = 0; 506 break; 507 508 case ISP_RESCAN: 509 if (IS_FC(isp)) { 510 chan = *(int *)addr; 511 if (chan < 0 || chan >= isp->isp_nchan) { 512 retval = -ENXIO; 513 break; 514 } 515 ISP_LOCK(isp); 516 if (isp_fc_runstate(isp, chan, 5 * 1000000)) { 517 retval = EIO; 518 } else { 519 retval = 0; 520 } 521 ISP_UNLOCK(isp); 522 } 523 break; 524 525 case ISP_FC_LIP: 526 if (IS_FC(isp)) { 527 chan = *(int *)addr; 528 if (chan < 0 || chan >= isp->isp_nchan) { 529 retval = -ENXIO; 530 break; 531 } 532 ISP_LOCK(isp); 533 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 534 retval = EIO; 535 } else { 536 retval = 0; 537 } 538 ISP_UNLOCK(isp); 539 } 540 break; 541 case ISP_FC_GETDINFO: 542 { 543 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 544 fcportdb_t *lp; 545 546 if (IS_SCSI(isp)) { 547 break; 548 } 549 if (ifc->loopid >= MAX_FC_TARG) { 550 retval = EINVAL; 551 break; 552 } 553 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 554 if (lp->state != FC_PORTDB_STATE_NIL) { 555 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 556 ifc->loopid = lp->handle; 557 ifc->portid = lp->portid; 558 ifc->node_wwn = lp->node_wwn; 559 ifc->port_wwn = lp->port_wwn; 560 retval = 0; 561 } else { 562 retval = ENODEV; 563 } 564 break; 565 } 566 case ISP_GET_STATS: 567 { 568 isp_stats_t *sp = (isp_stats_t *) addr; 569 570 ISP_MEMZERO(sp, sizeof (*sp)); 571 sp->isp_stat_version = ISP_STATS_VERSION; 572 sp->isp_type = isp->isp_type; 573 sp->isp_revision = isp->isp_revision; 574 ISP_LOCK(isp); 575 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 576 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 577 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 578 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 579 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 580 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 581 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 582 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 583 ISP_UNLOCK(isp); 584 retval = 0; 585 break; 586 } 587 case ISP_CLR_STATS: 588 ISP_LOCK(isp); 589 isp->isp_intcnt = 0; 590 isp->isp_intbogus = 0; 591 isp->isp_intmboxc = 0; 592 isp->isp_intoasync = 0; 593 isp->isp_rsltccmplt = 0; 594 isp->isp_fphccmplt = 0; 595 isp->isp_rscchiwater = 0; 596 isp->isp_fpcchiwater = 0; 597 ISP_UNLOCK(isp); 598 retval = 0; 599 break; 600 case ISP_FC_GETHINFO: 601 { 602 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 603 int chan = hba->fc_channel; 604 605 if (chan < 0 || chan >= isp->isp_nchan) { 606 retval = ENXIO; 607 break; 608 } 609 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 610 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 611 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 612 hba->fc_nchannels = isp->isp_nchan; 613 if (IS_FC(isp)) { 614 hba->fc_nports = MAX_FC_TARG; 615 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 616 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 617 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 618 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 619 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 620 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 621 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 622 } else { 623 hba->fc_nports = MAX_TARGETS; 624 hba->fc_speed = 0; 625 hba->fc_topology = 0; 626 hba->nvram_node_wwn = 0ull; 627 hba->nvram_port_wwn = 0ull; 628 hba->active_node_wwn = 0ull; 629 hba->active_port_wwn = 0ull; 630 } 631 retval = 0; 632 break; 633 } 634 case ISP_TSK_MGMT: 635 { 636 int needmarker; 637 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 638 uint16_t loopid; 639 mbreg_t mbs; 640 641 if (IS_SCSI(isp)) { 642 break; 643 } 644 645 chan = fct->chan; 646 if (chan < 0 || chan >= isp->isp_nchan) { 647 retval = -ENXIO; 648 break; 649 } 650 651 needmarker = retval = 0; 652 loopid = fct->loopid; 653 ISP_LOCK(isp); 654 if (IS_24XX(isp)) { 655 uint8_t local[QENTRY_LEN]; 656 isp24xx_tmf_t *tmf; 657 isp24xx_statusreq_t *sp; 658 fcparam *fcp = FCPARAM(isp, chan); 659 fcportdb_t *lp; 660 int i; 661 662 for (i = 0; i < MAX_FC_TARG; i++) { 663 lp = &fcp->portdb[i]; 664 if (lp->handle == loopid) { 665 break; 666 } 667 } 668 if (i == MAX_FC_TARG) { 669 retval = ENXIO; 670 ISP_UNLOCK(isp); 671 break; 672 } 673 /* XXX VALIDATE LP XXX */ 674 tmf = (isp24xx_tmf_t *) local; 675 ISP_MEMZERO(tmf, QENTRY_LEN); 676 tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 677 tmf->tmf_header.rqs_entry_count = 1; 678 tmf->tmf_nphdl = lp->handle; 679 tmf->tmf_delay = 2; 680 tmf->tmf_timeout = 2; 681 tmf->tmf_tidlo = lp->portid; 682 tmf->tmf_tidhi = lp->portid >> 16; 683 tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan); 684 tmf->tmf_lun[1] = fct->lun & 0xff; 685 if (fct->lun >= 256) { 686 tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8); 687 } 688 switch (fct->action) { 689 case IPT_CLEAR_ACA: 690 tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA; 691 break; 692 case IPT_TARGET_RESET: 693 tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET; 694 needmarker = 1; 695 break; 696 case IPT_LUN_RESET: 697 tmf->tmf_flags = ISP24XX_TMF_LUN_RESET; 698 needmarker = 1; 699 break; 700 case IPT_CLEAR_TASK_SET: 701 tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 702 needmarker = 1; 703 break; 704 case IPT_ABORT_TASK_SET: 705 tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 706 needmarker = 1; 707 break; 708 default: 709 retval = EINVAL; 710 break; 711 } 712 if (retval) { 713 ISP_UNLOCK(isp); 714 break; 715 } 716 MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL, 5000000); 717 mbs.param[1] = QENTRY_LEN; 718 mbs.param[2] = DMA_WD1(fcp->isp_scdma); 719 mbs.param[3] = DMA_WD0(fcp->isp_scdma); 720 mbs.param[6] = DMA_WD3(fcp->isp_scdma); 721 mbs.param[7] = DMA_WD2(fcp->isp_scdma); 722 723 if (FC_SCRATCH_ACQUIRE(isp, chan)) { 724 ISP_UNLOCK(isp); 725 retval = ENOMEM; 726 break; 727 } 728 isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch); 729 MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan); 730 sp = (isp24xx_statusreq_t *) local; 731 sp->req_completion_status = 1; 732 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 733 MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan); 734 isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp); 735 FC_SCRATCH_RELEASE(isp, chan); 736 if (retval || sp->req_completion_status != 0) { 737 FC_SCRATCH_RELEASE(isp, chan); 738 retval = EIO; 739 } 740 if (retval == 0) { 741 if (needmarker) { 742 fcp->sendmarker = 1; 743 } 744 } 745 } else { 746 MBSINIT(&mbs, 0, MBLOGALL, 0); 747 if (ISP_CAP_2KLOGIN(isp) == 0) { 748 loopid <<= 8; 749 } 750 switch (fct->action) { 751 case IPT_CLEAR_ACA: 752 mbs.param[0] = MBOX_CLEAR_ACA; 753 mbs.param[1] = loopid; 754 mbs.param[2] = fct->lun; 755 break; 756 case IPT_TARGET_RESET: 757 mbs.param[0] = MBOX_TARGET_RESET; 758 mbs.param[1] = loopid; 759 needmarker = 1; 760 break; 761 case IPT_LUN_RESET: 762 mbs.param[0] = MBOX_LUN_RESET; 763 mbs.param[1] = loopid; 764 mbs.param[2] = fct->lun; 765 needmarker = 1; 766 break; 767 case IPT_CLEAR_TASK_SET: 768 mbs.param[0] = MBOX_CLEAR_TASK_SET; 769 mbs.param[1] = loopid; 770 mbs.param[2] = fct->lun; 771 needmarker = 1; 772 break; 773 case IPT_ABORT_TASK_SET: 774 mbs.param[0] = MBOX_ABORT_TASK_SET; 775 mbs.param[1] = loopid; 776 mbs.param[2] = fct->lun; 777 needmarker = 1; 778 break; 779 default: 780 retval = EINVAL; 781 break; 782 } 783 if (retval == 0) { 784 if (needmarker) { 785 FCPARAM(isp, chan)->sendmarker = 1; 786 } 787 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 788 if (retval) { 789 retval = EIO; 790 } 791 } 792 } 793 ISP_UNLOCK(isp); 794 break; 795 } 796 default: 797 break; 798 } 799 return (retval); 800 } 801 802 static void 803 isp_intr_enable(void *arg) 804 { 805 int chan; 806 ispsoftc_t *isp = arg; 807 ISP_LOCK(isp); 808 for (chan = 0; chan < isp->isp_nchan; chan++) { 809 if (IS_FC(isp)) { 810 if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) { 811 ISP_ENABLE_INTS(isp); 812 break; 813 } 814 } else { 815 if (SDPARAM(isp, chan)->role != ISP_ROLE_NONE) { 816 ISP_ENABLE_INTS(isp); 817 break; 818 } 819 } 820 } 821 isp->isp_osinfo.ehook_active = 0; 822 ISP_UNLOCK(isp); 823 /* Release our hook so that the boot can continue. */ 824 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 825 } 826 827 /* 828 * Local Inlines 829 */ 830 831 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 832 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 833 834 static ISP_INLINE int 835 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 836 { 837 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 838 if (ISP_PCMD(ccb) == NULL) { 839 return (-1); 840 } 841 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 842 return (0); 843 } 844 845 static ISP_INLINE void 846 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 847 { 848 if (ISP_PCMD(ccb)) { 849 #ifdef ISP_TARGET_MODE 850 PISP_PCMD(ccb)->datalen = 0; 851 PISP_PCMD(ccb)->totslen = 0; 852 PISP_PCMD(ccb)->cumslen = 0; 853 PISP_PCMD(ccb)->crn = 0; 854 #endif 855 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 856 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 857 ISP_PCMD(ccb) = NULL; 858 } 859 } 860 861 /* 862 * Put the target mode functions here, because some are inlines 863 */ 864 #ifdef ISP_TARGET_MODE 865 static ISP_INLINE void isp_tmlock(ispsoftc_t *, const char *); 866 static ISP_INLINE void isp_tmunlk(ispsoftc_t *); 867 static ISP_INLINE int is_any_lun_enabled(ispsoftc_t *, int); 868 static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t); 869 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 870 static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t); 871 static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *); 872 static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **); 873 static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t); 874 static ISP_INLINE atio_private_data_t *isp_find_atpd(ispsoftc_t *, tstate_t *, uint32_t); 875 static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *); 876 static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *); 877 static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t); 878 static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *); 879 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 880 static void destroy_lun_state(ispsoftc_t *, tstate_t *); 881 static void isp_enable_lun(ispsoftc_t *, union ccb *); 882 static cam_status isp_enable_deferred_luns(ispsoftc_t *, int); 883 static cam_status isp_enable_deferred(ispsoftc_t *, int, lun_id_t); 884 static void isp_disable_lun(ispsoftc_t *, union ccb *); 885 static int isp_enable_target_mode(ispsoftc_t *, int); 886 static int isp_disable_target_mode(ispsoftc_t *, int); 887 static void isp_ledone(ispsoftc_t *, lun_entry_t *); 888 static timeout_t isp_refire_putback_atio; 889 static timeout_t isp_refire_notify_ack; 890 static void isp_complete_ctio(union ccb *); 891 static void isp_target_putback_atio(union ccb *); 892 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 893 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 894 static void isp_handle_platform_atio(ispsoftc_t *, at_entry_t *); 895 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 896 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 897 static void isp_handle_platform_ctio(ispsoftc_t *, void *); 898 static void isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *); 899 static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *); 900 static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *); 901 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *); 902 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 903 static void isp_target_mark_aborted(ispsoftc_t *, union ccb *); 904 static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t); 905 906 static ISP_INLINE void 907 isp_tmlock(ispsoftc_t *isp, const char *msg) 908 { 909 while (isp->isp_osinfo.tmbusy) { 910 isp->isp_osinfo.tmwanted = 1; 911 mtx_sleep(isp, &isp->isp_lock, PRIBIO, msg, 0); 912 } 913 isp->isp_osinfo.tmbusy = 1; 914 } 915 916 static ISP_INLINE void 917 isp_tmunlk(ispsoftc_t *isp) 918 { 919 isp->isp_osinfo.tmbusy = 0; 920 if (isp->isp_osinfo.tmwanted) { 921 isp->isp_osinfo.tmwanted = 0; 922 wakeup(isp); 923 } 924 } 925 926 static ISP_INLINE int 927 is_any_lun_enabled(ispsoftc_t *isp, int bus) 928 { 929 struct tslist *lhp; 930 int i; 931 932 for (i = 0; i < LUN_HASH_SIZE; i++) { 933 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 934 if (SLIST_FIRST(lhp)) 935 return (1); 936 } 937 return (0); 938 } 939 940 static ISP_INLINE int 941 is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun) 942 { 943 tstate_t *tptr; 944 struct tslist *lhp; 945 946 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 947 SLIST_FOREACH(tptr, lhp, next) { 948 if (tptr->ts_lun == lun) { 949 return (1); 950 } 951 } 952 return (0); 953 } 954 955 static void 956 dump_tstates(ispsoftc_t *isp, int bus) 957 { 958 int i, j; 959 struct tslist *lhp; 960 tstate_t *tptr = NULL; 961 962 if (bus >= isp->isp_nchan) { 963 return; 964 } 965 for (i = 0; i < LUN_HASH_SIZE; i++) { 966 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 967 j = 0; 968 SLIST_FOREACH(tptr, lhp, next) { 969 xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count); 970 j++; 971 } 972 } 973 } 974 975 static ISP_INLINE tstate_t * 976 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 977 { 978 tstate_t *tptr = NULL; 979 struct tslist *lhp; 980 981 if (bus < isp->isp_nchan) { 982 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 983 SLIST_FOREACH(tptr, lhp, next) { 984 if (tptr->ts_lun == lun) { 985 tptr->hold++; 986 return (tptr); 987 } 988 } 989 } 990 return (NULL); 991 } 992 993 static ISP_INLINE tstate_t * 994 get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval) 995 { 996 tstate_t *tptr = NULL; 997 atio_private_data_t *atp; 998 struct tslist *lhp; 999 int i; 1000 1001 if (bus < isp->isp_nchan && tagval != 0) { 1002 for (i = 0; i < LUN_HASH_SIZE; i++) { 1003 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1004 SLIST_FOREACH(tptr, lhp, next) { 1005 atp = isp_find_atpd(isp, tptr, tagval); 1006 if (atp) { 1007 tptr->hold++; 1008 return (tptr); 1009 } 1010 } 1011 } 1012 } 1013 return (NULL); 1014 } 1015 1016 static ISP_INLINE inot_private_data_t * 1017 get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt) 1018 { 1019 inot_private_data_t *ntp; 1020 tstate_t *tptr; 1021 struct tslist *lhp; 1022 int bus, i; 1023 1024 for (bus = 0; bus < isp->isp_nchan; bus++) { 1025 for (i = 0; i < LUN_HASH_SIZE; i++) { 1026 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1027 SLIST_FOREACH(tptr, lhp, next) { 1028 ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id); 1029 if (ntp) { 1030 *rslt = tptr; 1031 tptr->hold++; 1032 return (ntp); 1033 } 1034 } 1035 } 1036 } 1037 return (NULL); 1038 } 1039 1040 static ISP_INLINE void 1041 rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr) 1042 { 1043 KASSERT((tptr->hold), ("tptr not held")); 1044 tptr->hold--; 1045 } 1046 1047 static void 1048 isp_tmcmd_restart(ispsoftc_t *isp) 1049 { 1050 inot_private_data_t *ntp; 1051 inot_private_data_t *restart_queue; 1052 tstate_t *tptr; 1053 union ccb *ccb; 1054 struct tslist *lhp; 1055 int bus, i; 1056 1057 for (bus = 0; bus < isp->isp_nchan; bus++) { 1058 for (i = 0; i < LUN_HASH_SIZE; i++) { 1059 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1060 SLIST_FOREACH(tptr, lhp, next) { 1061 if ((restart_queue = tptr->restart_queue) != NULL) 1062 tptr->restart_queue = NULL; 1063 while (restart_queue) { 1064 ntp = restart_queue; 1065 restart_queue = ntp->rd.nt.nt_hba; 1066 if (IS_24XX(isp)) { 1067 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid); 1068 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data); 1069 } else { 1070 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid); 1071 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data); 1072 } 1073 isp_put_ntpd(isp, tptr, ntp); 1074 if (tptr->restart_queue && restart_queue != NULL) { 1075 ntp = tptr->restart_queue; 1076 tptr->restart_queue = restart_queue; 1077 while (restart_queue->rd.nt.nt_hba) { 1078 restart_queue = restart_queue->rd.nt.nt_hba; 1079 } 1080 restart_queue->rd.nt.nt_hba = ntp; 1081 break; 1082 } 1083 } 1084 /* 1085 * We only need to do this once per tptr 1086 */ 1087 if (!TAILQ_EMPTY(&tptr->waitq)) { 1088 ccb = (union ccb *)TAILQ_LAST(&tptr->waitq, isp_ccbq); 1089 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1090 isp_target_start_ctio(isp, ccb, FROM_TIMER); 1091 } 1092 } 1093 } 1094 } 1095 } 1096 1097 static ISP_INLINE atio_private_data_t * 1098 isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag) 1099 { 1100 atio_private_data_t *atp; 1101 1102 atp = LIST_FIRST(&tptr->atfree); 1103 if (atp) { 1104 LIST_REMOVE(atp, next); 1105 atp->tag = tag; 1106 LIST_INSERT_HEAD(&tptr->atused[ATPDPHASH(tag)], atp, next); 1107 } 1108 return (atp); 1109 } 1110 1111 static ISP_INLINE atio_private_data_t * 1112 isp_find_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag) 1113 { 1114 atio_private_data_t *atp; 1115 1116 LIST_FOREACH(atp, &tptr->atused[ATPDPHASH(tag)], next) { 1117 if (atp->tag == tag) 1118 return (atp); 1119 } 1120 return (NULL); 1121 } 1122 1123 static ISP_INLINE void 1124 isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp) 1125 { 1126 if (atp->ests) { 1127 isp_put_ecmd(isp, atp->ests); 1128 } 1129 LIST_REMOVE(atp, next); 1130 memset(atp, 0, sizeof (*atp)); 1131 LIST_INSERT_HEAD(&tptr->atfree, atp, next); 1132 } 1133 1134 static void 1135 isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr) 1136 { 1137 atio_private_data_t *atp; 1138 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 1139 1140 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) { 1141 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", 1142 atp->tag, atp->orig_datalen, atp->bytes_xfered, atp->lun, atp->nphdl, atp->sid, atp->portid, atp->oxid, states[atp->state & 0x7]); 1143 } 1144 } 1145 1146 1147 static ISP_INLINE inot_private_data_t * 1148 isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr) 1149 { 1150 inot_private_data_t *ntp; 1151 ntp = tptr->ntfree; 1152 if (ntp) { 1153 tptr->ntfree = ntp->next; 1154 } 1155 return (ntp); 1156 } 1157 1158 static ISP_INLINE inot_private_data_t * 1159 isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id) 1160 { 1161 inot_private_data_t *ntp; 1162 for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) { 1163 if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) { 1164 return (ntp); 1165 } 1166 } 1167 return (NULL); 1168 } 1169 1170 static ISP_INLINE void 1171 isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp) 1172 { 1173 ntp->rd.tag_id = ntp->rd.seq_id = 0; 1174 ntp->next = tptr->ntfree; 1175 tptr->ntfree = ntp; 1176 } 1177 1178 static cam_status 1179 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 1180 { 1181 cam_status status; 1182 lun_id_t lun; 1183 struct tslist *lhp; 1184 tstate_t *tptr; 1185 int i; 1186 1187 lun = xpt_path_lun_id(path); 1188 if (lun != CAM_LUN_WILDCARD) { 1189 if (lun >= ISP_MAX_LUNS(isp)) { 1190 return (CAM_LUN_INVALID); 1191 } 1192 } 1193 if (is_lun_enabled(isp, bus, lun)) { 1194 return (CAM_LUN_ALRDY_ENA); 1195 } 1196 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 1197 if (tptr == NULL) { 1198 return (CAM_RESRC_UNAVAIL); 1199 } 1200 tptr->ts_lun = lun; 1201 status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun); 1202 if (status != CAM_REQ_CMP) { 1203 free(tptr, M_DEVBUF); 1204 return (status); 1205 } 1206 SLIST_INIT(&tptr->atios); 1207 SLIST_INIT(&tptr->inots); 1208 TAILQ_INIT(&tptr->waitq); 1209 LIST_INIT(&tptr->atfree); 1210 for (i = ATPDPSIZE-1; i >= 0; i--) 1211 LIST_INSERT_HEAD(&tptr->atfree, &tptr->atpool[i], next); 1212 for (i = 0; i < ATPDPHASHSIZE; i++) 1213 LIST_INIT(&tptr->atused[i]); 1214 for (i = 0; i < ATPDPSIZE-1; i++) 1215 tptr->ntpool[i].next = &tptr->ntpool[i+1]; 1216 tptr->ntfree = tptr->ntpool; 1217 tptr->hold = 1; 1218 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 1219 SLIST_INSERT_HEAD(lhp, tptr, next); 1220 *rslt = tptr; 1221 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 1222 return (CAM_REQ_CMP); 1223 } 1224 1225 static ISP_INLINE void 1226 destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr) 1227 { 1228 union ccb *ccb; 1229 struct tslist *lhp; 1230 1231 KASSERT((tptr->hold != 0), ("tptr is not held")); 1232 KASSERT((tptr->hold == 1), ("tptr still held (%d)", tptr->hold)); 1233 do { 1234 ccb = (union ccb *)SLIST_FIRST(&tptr->atios); 1235 if (ccb) { 1236 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1237 ccb->ccb_h.status = CAM_REQ_ABORTED; 1238 xpt_done(ccb); 1239 } 1240 } while (ccb); 1241 do { 1242 ccb = (union ccb *)SLIST_FIRST(&tptr->inots); 1243 if (ccb) { 1244 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 1245 ccb->ccb_h.status = CAM_REQ_ABORTED; 1246 xpt_done(ccb); 1247 } 1248 } while (ccb); 1249 ISP_GET_PC_ADDR(isp, cam_sim_bus(xpt_path_sim(tptr->owner)), lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 1250 SLIST_REMOVE(lhp, tptr, tstate, next); 1251 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "destroyed tstate\n"); 1252 xpt_free_path(tptr->owner); 1253 free(tptr, M_DEVBUF); 1254 } 1255 1256 /* 1257 * Enable a lun. 1258 */ 1259 static void 1260 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1261 { 1262 tstate_t *tptr = NULL; 1263 int bus, tm_enabled, target_role; 1264 target_id_t target; 1265 lun_id_t lun; 1266 1267 1268 /* 1269 * We only support either a wildcard target/lun or a target ID of zero and a non-wildcard lun 1270 */ 1271 bus = XS_CHANNEL(ccb); 1272 target = ccb->ccb_h.target_id; 1273 lun = ccb->ccb_h.target_lun; 1274 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "enabling lun %u\n", lun); 1275 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) { 1276 ccb->ccb_h.status = CAM_LUN_INVALID; 1277 xpt_done(ccb); 1278 return; 1279 } 1280 1281 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 1282 ccb->ccb_h.status = CAM_LUN_INVALID; 1283 xpt_done(ccb); 1284 return; 1285 } 1286 if (isp->isp_dblev & ISP_LOGTDEBUG0) { 1287 xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus); 1288 } 1289 1290 /* 1291 * Wait until we're not busy with the lun enables subsystem 1292 */ 1293 isp_tmlock(isp, "isp_enable_lun"); 1294 1295 /* 1296 * This is as a good a place as any to check f/w capabilities. 1297 */ 1298 1299 if (IS_FC(isp)) { 1300 if (ISP_CAP_TMODE(isp) == 0) { 1301 xpt_print(ccb->ccb_h.path, "firmware does not support target mode\n"); 1302 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1303 goto done; 1304 } 1305 /* 1306 * We *could* handle non-SCCLUN f/w, but we'd have to 1307 * dork with our already fragile enable/disable code. 1308 */ 1309 if (ISP_CAP_SCCFW(isp) == 0) { 1310 xpt_print(ccb->ccb_h.path, "firmware not SCCLUN capable\n"); 1311 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1312 goto done; 1313 } 1314 1315 target_role = (FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0; 1316 1317 } else { 1318 target_role = (SDPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0; 1319 } 1320 1321 /* 1322 * Create the state pointer. 1323 * It should not already exist. 1324 */ 1325 tptr = get_lun_statep(isp, bus, lun); 1326 if (tptr) { 1327 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1328 goto done; 1329 } 1330 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1331 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1332 goto done; 1333 } 1334 1335 /* 1336 * We have a tricky maneuver to perform here. 1337 * 1338 * If target mode isn't already enabled here, 1339 * *and* our current role includes target mode, 1340 * we enable target mode here. 1341 * 1342 */ 1343 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1344 if (tm_enabled == 0 && target_role != 0) { 1345 if (isp_enable_target_mode(isp, bus)) { 1346 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1347 destroy_lun_state(isp, tptr); 1348 tptr = NULL; 1349 goto done; 1350 } 1351 tm_enabled = 1; 1352 } 1353 1354 /* 1355 * Now check to see whether this bus is in target mode already. 1356 * 1357 * If not, a later role change into target mode will finish the job. 1358 */ 1359 if (tm_enabled == 0) { 1360 ISP_SET_PC(isp, bus, tm_enable_defer, 1); 1361 ccb->ccb_h.status = CAM_REQ_CMP; 1362 xpt_print(ccb->ccb_h.path, "Target Mode not enabled yet- lun enable deferred\n"); 1363 goto done1; 1364 } 1365 1366 /* 1367 * Enable the lun. 1368 */ 1369 ccb->ccb_h.status = isp_enable_deferred(isp, bus, lun); 1370 1371 done: 1372 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1373 if (tptr) { 1374 destroy_lun_state(isp, tptr); 1375 tptr = NULL; 1376 } 1377 } else { 1378 tptr->enabled = 1; 1379 } 1380 done1: 1381 if (tptr) { 1382 rls_lun_statep(isp, tptr); 1383 } 1384 1385 /* 1386 * And we're outta here.... 1387 */ 1388 isp_tmunlk(isp); 1389 xpt_done(ccb); 1390 } 1391 1392 static cam_status 1393 isp_enable_deferred_luns(ispsoftc_t *isp, int bus) 1394 { 1395 tstate_t *tptr = NULL; 1396 struct tslist *lhp; 1397 int i, n; 1398 1399 1400 ISP_GET_PC(isp, bus, tm_enabled, i); 1401 if (i == 1) { 1402 return (CAM_REQ_CMP); 1403 } 1404 ISP_GET_PC(isp, bus, tm_enable_defer, i); 1405 if (i == 0) { 1406 return (CAM_REQ_CMP); 1407 } 1408 /* 1409 * If this succeeds, it will set tm_enable 1410 */ 1411 if (isp_enable_target_mode(isp, bus)) { 1412 return (CAM_REQ_CMP_ERR); 1413 } 1414 isp_tmlock(isp, "isp_enable_deferred_luns"); 1415 for (n = i = 0; i < LUN_HASH_SIZE; i++) { 1416 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1417 SLIST_FOREACH(tptr, lhp, next) { 1418 tptr->hold++; 1419 if (tptr->enabled == 0) { 1420 if (isp_enable_deferred(isp, bus, tptr->ts_lun) == CAM_REQ_CMP) { 1421 tptr->enabled = 1; 1422 n++; 1423 } 1424 } else { 1425 n++; 1426 } 1427 tptr->hold--; 1428 } 1429 } 1430 isp_tmunlk(isp); 1431 if (n == 0) { 1432 return (CAM_REQ_CMP_ERR); 1433 } 1434 ISP_SET_PC(isp, bus, tm_enable_defer, 0); 1435 return (CAM_REQ_CMP); 1436 } 1437 1438 static cam_status 1439 isp_enable_deferred(ispsoftc_t *isp, int bus, lun_id_t lun) 1440 { 1441 cam_status status; 1442 int luns_already_enabled; 1443 1444 ISP_GET_PC(isp, bus, tm_luns_enabled, luns_already_enabled); 1445 isp_prt(isp, ISP_LOGTINFO, "%s: bus %d lun %jx luns_enabled %d", __func__, bus, (uintmax_t)lun, luns_already_enabled); 1446 if (IS_24XX(isp) || (IS_FC(isp) && luns_already_enabled)) { 1447 status = CAM_REQ_CMP; 1448 } else { 1449 int cmd_cnt, not_cnt; 1450 1451 if (IS_23XX(isp)) { 1452 cmd_cnt = DFLT_CMND_CNT; 1453 not_cnt = DFLT_INOT_CNT; 1454 } else { 1455 cmd_cnt = 64; 1456 not_cnt = 8; 1457 } 1458 status = CAM_REQ_INPROG; 1459 isp->isp_osinfo.rptr = &status; 1460 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun == CAM_LUN_WILDCARD? 0 : lun, cmd_cnt, not_cnt)) { 1461 status = CAM_RESRC_UNAVAIL; 1462 } else { 1463 mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_enable_deferred", 0); 1464 } 1465 isp->isp_osinfo.rptr = NULL; 1466 } 1467 if (status == CAM_REQ_CMP) { 1468 ISP_SET_PC(isp, bus, tm_luns_enabled, 1); 1469 isp_prt(isp, ISP_LOGCONFIG|ISP_LOGTINFO, "bus %d lun %jx now enabled for target mode", bus, (uintmax_t)lun); 1470 } 1471 return (status); 1472 } 1473 1474 static void 1475 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1476 { 1477 tstate_t *tptr = NULL; 1478 int bus; 1479 cam_status status; 1480 target_id_t target; 1481 lun_id_t lun; 1482 1483 bus = XS_CHANNEL(ccb); 1484 target = ccb->ccb_h.target_id; 1485 lun = ccb->ccb_h.target_lun; 1486 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "disabling lun %u\n", lun); 1487 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) { 1488 ccb->ccb_h.status = CAM_LUN_INVALID; 1489 xpt_done(ccb); 1490 return; 1491 } 1492 1493 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 1494 ccb->ccb_h.status = CAM_LUN_INVALID; 1495 xpt_done(ccb); 1496 return; 1497 } 1498 1499 /* 1500 * See if we're busy disabling a lun now. 1501 */ 1502 isp_tmlock(isp, "isp_disable_lun"); 1503 status = CAM_REQ_INPROG; 1504 1505 /* 1506 * Find the state pointer. 1507 */ 1508 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1509 status = CAM_PATH_INVALID; 1510 goto done; 1511 } 1512 1513 /* 1514 * If we're a 24XX card, we're done. 1515 */ 1516 if (IS_24XX(isp)) { 1517 status = CAM_REQ_CMP; 1518 goto done; 1519 } 1520 1521 /* 1522 * For SCC FW, we only deal with lun zero. 1523 */ 1524 if (IS_FC(isp) && lun > 0) { 1525 status = CAM_REQ_CMP; 1526 goto done; 1527 } 1528 isp->isp_osinfo.rptr = &status; 1529 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) { 1530 status = CAM_RESRC_UNAVAIL; 1531 } else { 1532 mtx_sleep(ccb, &isp->isp_lock, PRIBIO, "isp_disable_lun", 0); 1533 } 1534 isp->isp_osinfo.rptr = NULL; 1535 done: 1536 if (status == CAM_REQ_CMP) { 1537 tptr->enabled = 0; 1538 if (is_any_lun_enabled(isp, bus) == 0) { 1539 if (isp_disable_target_mode(isp, bus)) { 1540 status = CAM_REQ_CMP_ERR; 1541 } 1542 } 1543 } 1544 ccb->ccb_h.status = status; 1545 if (status == CAM_REQ_CMP) { 1546 destroy_lun_state(isp, tptr); 1547 xpt_print(ccb->ccb_h.path, "lun now disabled for target mode\n"); 1548 } else { 1549 if (tptr) 1550 rls_lun_statep(isp, tptr); 1551 } 1552 isp_tmunlk(isp); 1553 xpt_done(ccb); 1554 } 1555 1556 static int 1557 isp_enable_target_mode(ispsoftc_t *isp, int bus) 1558 { 1559 int tm_enabled; 1560 1561 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1562 if (tm_enabled != 0) { 1563 return (0); 1564 } 1565 if (IS_SCSI(isp)) { 1566 mbreg_t mbs; 1567 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0); 1568 mbs.param[0] = MBOX_ENABLE_TARGET_MODE; 1569 mbs.param[1] = ENABLE_TARGET_FLAG|ENABLE_TQING_FLAG; 1570 mbs.param[2] = bus << 7; 1571 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1572 isp_prt(isp, ISP_LOGERR, "Unable to enable Target Role on Bus %d", bus); 1573 return (EIO); 1574 } 1575 } 1576 ISP_SET_PC(isp, bus, tm_enabled, 1); 1577 isp_prt(isp, ISP_LOGINFO, "Target Role enabled on Bus %d", bus); 1578 return (0); 1579 } 1580 1581 static int 1582 isp_disable_target_mode(ispsoftc_t *isp, int bus) 1583 { 1584 int tm_enabled; 1585 1586 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1587 if (tm_enabled == 0) { 1588 return (0); 1589 } 1590 if (IS_SCSI(isp)) { 1591 mbreg_t mbs; 1592 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0); 1593 mbs.param[2] = bus << 7; 1594 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1595 isp_prt(isp, ISP_LOGERR, "Unable to disable Target Role on Bus %d", bus); 1596 return (EIO); 1597 } 1598 } 1599 ISP_SET_PC(isp, bus, tm_enabled, 0); 1600 isp_prt(isp, ISP_LOGINFO, "Target Role disabled on Bus %d", bus); 1601 return (0); 1602 } 1603 1604 static void 1605 isp_ledone(ispsoftc_t *isp, lun_entry_t *lep) 1606 { 1607 uint32_t *rptr; 1608 1609 rptr = isp->isp_osinfo.rptr; 1610 if (lep->le_status != LUN_OK) { 1611 isp_prt(isp, ISP_LOGERR, "ENABLE/MODIFY LUN returned 0x%x", lep->le_status); 1612 if (rptr) { 1613 *rptr = CAM_REQ_CMP_ERR; 1614 wakeup_one(rptr); 1615 } 1616 } else { 1617 if (rptr) { 1618 *rptr = CAM_REQ_CMP; 1619 wakeup_one(rptr); 1620 } 1621 } 1622 } 1623 1624 static void 1625 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1626 { 1627 int fctape, sendstatus, resid; 1628 tstate_t *tptr; 1629 fcparam *fcp; 1630 atio_private_data_t *atp; 1631 struct ccb_scsiio *cso; 1632 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1633 uint8_t local[QENTRY_LEN]; 1634 1635 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb)); 1636 if (tptr == NULL) { 1637 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD); 1638 if (tptr == NULL) { 1639 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find tstate pointer", __func__, ccb->csio.tag_id); 1640 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1641 xpt_done(ccb); 1642 return; 1643 } 1644 } 1645 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, 1646 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1647 1648 switch (how) { 1649 case FROM_TIMER: 1650 case FROM_CAM: 1651 /* 1652 * Insert at the tail of the list, if any, waiting CTIO CCBs 1653 */ 1654 TAILQ_INSERT_TAIL(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1655 break; 1656 case FROM_SRR: 1657 case FROM_CTIO_DONE: 1658 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1659 break; 1660 } 1661 1662 while (TAILQ_FIRST(&tptr->waitq) != NULL) { 1663 ccb = (union ccb *) TAILQ_FIRST(&tptr->waitq); 1664 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1665 1666 cso = &ccb->csio; 1667 xfrlen = cso->dxfer_len; 1668 if (xfrlen == 0) { 1669 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1670 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1671 ccb->ccb_h.status = CAM_REQ_INVALID; 1672 xpt_done(ccb); 1673 continue; 1674 } 1675 } 1676 1677 atp = isp_find_atpd(isp, tptr, cso->tag_id); 1678 if (atp == NULL) { 1679 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1680 isp_dump_atpd(isp, tptr); 1681 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1682 xpt_done(ccb); 1683 continue; 1684 } 1685 1686 /* 1687 * Is this command a dead duck? 1688 */ 1689 if (atp->dead) { 1690 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1691 ccb->ccb_h.status = CAM_REQ_ABORTED; 1692 xpt_done(ccb); 1693 continue; 1694 } 1695 1696 /* 1697 * Check to make sure we're still in target mode. 1698 */ 1699 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1700 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1701 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1702 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1703 xpt_done(ccb); 1704 continue; 1705 } 1706 1707 /* 1708 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1709 * could be split into two CTIOs to split data and status). 1710 */ 1711 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1712 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); 1713 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1714 break; 1715 } 1716 1717 /* 1718 * Does the initiator expect FC-Tape style responses? 1719 */ 1720 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1721 fctape = 1; 1722 } else { 1723 fctape = 0; 1724 } 1725 1726 /* 1727 * If we already did the data xfer portion of a CTIO that sends data 1728 * and status, don't do it again and do the status portion now. 1729 */ 1730 if (atp->sendst) { 1731 isp_prt(isp, ISP_LOGTINFO, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1732 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1733 xfrlen = 0; /* we already did the data transfer */ 1734 atp->sendst = 0; 1735 } 1736 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1737 sendstatus = 1; 1738 } else { 1739 sendstatus = 0; 1740 } 1741 1742 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1743 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1744 /* 1745 * Sense length is not the entire sense data structure size. Periph 1746 * drivers don't seem to be setting sense_len to reflect the actual 1747 * size. We'll peek inside to get the right amount. 1748 */ 1749 sense_length = cso->sense_len; 1750 1751 /* 1752 * This 'cannot' happen 1753 */ 1754 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1755 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1756 } 1757 } else { 1758 sense_length = 0; 1759 } 1760 1761 memset(local, 0, QENTRY_LEN); 1762 1763 /* 1764 * Check for overflow 1765 */ 1766 tmp = atp->bytes_xfered + atp->bytes_in_transit + xfrlen; 1767 if (tmp > atp->orig_datalen) { 1768 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] data overflow by %u bytes", __func__, cso->tag_id, tmp - atp->orig_datalen); 1769 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1770 xpt_done(ccb); 1771 continue; 1772 } 1773 1774 if (IS_24XX(isp)) { 1775 ct7_entry_t *cto = (ct7_entry_t *) local; 1776 1777 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1778 cto->ct_header.rqs_entry_count = 1; 1779 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1780 ATPD_SET_SEQNO(cto, atp); 1781 cto->ct_nphdl = atp->nphdl; 1782 cto->ct_rxid = atp->tag; 1783 cto->ct_iid_lo = atp->portid; 1784 cto->ct_iid_hi = atp->portid >> 16; 1785 cto->ct_oxid = atp->oxid; 1786 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1787 cto->ct_timeout = 120; 1788 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1789 1790 /* 1791 * Mode 1, status, no data. Only possible when we are sending status, have 1792 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1793 * 1794 * Mode 2, status, no data. We have to use this in the case that 1795 * the sense data won't fit into a ct7_entry_t. 1796 * 1797 */ 1798 if (sendstatus && xfrlen == 0) { 1799 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1800 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1801 if (sense_length <= MAXRESPLEN_24XX) { 1802 if (resid < 0) { 1803 cto->ct_resid = -resid; 1804 } else if (resid > 0) { 1805 cto->ct_resid = resid; 1806 } 1807 cto->ct_flags |= CT7_FLAG_MODE1; 1808 cto->ct_scsi_status = cso->scsi_status; 1809 if (resid < 0) { 1810 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1811 } else if (resid > 0) { 1812 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1813 } 1814 if (fctape) { 1815 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1816 } 1817 if (sense_length) { 1818 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1819 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1820 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1821 } 1822 } else { 1823 bus_addr_t addr; 1824 char buf[XCMD_SIZE]; 1825 fcp_rsp_iu_t *rp; 1826 1827 if (atp->ests == NULL) { 1828 atp->ests = isp_get_ecmd(isp); 1829 if (atp->ests == NULL) { 1830 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1831 break; 1832 } 1833 } 1834 memset(buf, 0, sizeof (buf)); 1835 rp = (fcp_rsp_iu_t *)buf; 1836 if (fctape) { 1837 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1838 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1839 } 1840 cto->ct_flags |= CT7_FLAG_MODE2; 1841 rp->fcp_rsp_scsi_status = cso->scsi_status; 1842 if (resid < 0) { 1843 rp->fcp_rsp_resid = -resid; 1844 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1845 } else if (resid > 0) { 1846 rp->fcp_rsp_resid = resid; 1847 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1848 } 1849 if (sense_length) { 1850 rp->fcp_rsp_snslen = sense_length; 1851 cto->ct_senselen = sense_length; 1852 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1853 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1854 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1855 } else { 1856 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1857 } 1858 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1859 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1860 } 1861 addr = isp->isp_osinfo.ecmd_dma; 1862 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1863 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, 1864 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1865 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1866 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1867 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1868 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1869 } 1870 if (sense_length) { 1871 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__, 1872 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, 1873 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1874 } else { 1875 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1876 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1877 } 1878 atp->state = ATPD_STATE_LAST_CTIO; 1879 } 1880 1881 /* 1882 * Mode 0 data transfers, *possibly* with status. 1883 */ 1884 if (xfrlen != 0) { 1885 cto->ct_flags |= CT7_FLAG_MODE0; 1886 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1887 cto->ct_flags |= CT7_DATA_IN; 1888 } else { 1889 cto->ct_flags |= CT7_DATA_OUT; 1890 } 1891 1892 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1893 cto->rsp.m0.ct_xfrlen = xfrlen; 1894 1895 #ifdef DEBUG 1896 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1897 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1898 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1899 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1900 } 1901 #endif 1902 if (sendstatus) { 1903 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1904 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1905 cto->ct_flags |= CT7_SENDSTATUS; 1906 atp->state = ATPD_STATE_LAST_CTIO; 1907 if (fctape) { 1908 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1909 } 1910 } else { 1911 atp->sendst = 1; /* send status later */ 1912 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1913 atp->state = ATPD_STATE_CTIO; 1914 } 1915 } else { 1916 atp->state = ATPD_STATE_CTIO; 1917 } 1918 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__, 1919 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1920 } 1921 } else if (IS_FC(isp)) { 1922 ct2_entry_t *cto = (ct2_entry_t *) local; 1923 1924 if (isp->isp_osinfo.sixtyfourbit) 1925 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3; 1926 else 1927 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1928 cto->ct_header.rqs_entry_count = 1; 1929 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1930 ATPD_SET_SEQNO(cto, atp); 1931 if (ISP_CAP_2KLOGIN(isp)) { 1932 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl; 1933 } else { 1934 cto->ct_iid = atp->nphdl; 1935 if (ISP_CAP_SCCFW(isp) == 0) { 1936 cto->ct_lun = ccb->ccb_h.target_lun; 1937 } 1938 } 1939 cto->ct_timeout = 10; 1940 cto->ct_rxid = cso->tag_id; 1941 1942 /* 1943 * Mode 1, status, no data. Only possible when we are sending status, have 1944 * no data to transfer, and the sense length can fit in the ct7_entry. 1945 * 1946 * Mode 2, status, no data. We have to use this in the case the response 1947 * length won't fit into a ct2_entry_t. 1948 * 1949 * We'll fill out this structure with information as if this were a 1950 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1951 * needed based upon this. 1952 */ 1953 if (sendstatus && xfrlen == 0) { 1954 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1955 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1956 if (sense_length <= MAXRESPLEN) { 1957 if (resid < 0) { 1958 cto->ct_resid = -resid; 1959 } else if (resid > 0) { 1960 cto->ct_resid = resid; 1961 } 1962 cto->ct_flags |= CT2_FLAG_MODE1; 1963 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1964 if (resid < 0) { 1965 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1966 } else if (resid > 0) { 1967 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1968 } 1969 if (fctape) { 1970 cto->ct_flags |= CT2_CONFIRM; 1971 } 1972 if (sense_length) { 1973 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1974 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1975 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1976 } 1977 } else { 1978 bus_addr_t addr; 1979 char buf[XCMD_SIZE]; 1980 fcp_rsp_iu_t *rp; 1981 1982 if (atp->ests == NULL) { 1983 atp->ests = isp_get_ecmd(isp); 1984 if (atp->ests == NULL) { 1985 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1986 break; 1987 } 1988 } 1989 memset(buf, 0, sizeof (buf)); 1990 rp = (fcp_rsp_iu_t *)buf; 1991 if (fctape) { 1992 cto->ct_flags |= CT2_CONFIRM; 1993 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1994 } 1995 cto->ct_flags |= CT2_FLAG_MODE2; 1996 rp->fcp_rsp_scsi_status = cso->scsi_status; 1997 if (resid < 0) { 1998 rp->fcp_rsp_resid = -resid; 1999 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 2000 } else if (resid > 0) { 2001 rp->fcp_rsp_resid = resid; 2002 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 2003 } 2004 if (sense_length) { 2005 rp->fcp_rsp_snslen = sense_length; 2006 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 2007 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 2008 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 2009 } else { 2010 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 2011 } 2012 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 2013 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 2014 } 2015 addr = isp->isp_osinfo.ecmd_dma; 2016 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 2017 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, 2018 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 2019 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 2020 if (isp->isp_osinfo.sixtyfourbit) { 2021 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr); 2022 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr); 2023 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 2024 } else { 2025 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 2026 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 2027 } 2028 } 2029 if (sense_length) { 2030 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__, 2031 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, 2032 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 2033 } else { 2034 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, 2035 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid); 2036 } 2037 atp->state = ATPD_STATE_LAST_CTIO; 2038 } 2039 2040 if (xfrlen != 0) { 2041 cto->ct_flags |= CT2_FLAG_MODE0; 2042 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2043 cto->ct_flags |= CT2_DATA_IN; 2044 } else { 2045 cto->ct_flags |= CT2_DATA_OUT; 2046 } 2047 2048 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit; 2049 cto->rsp.m0.ct_xfrlen = xfrlen; 2050 2051 if (sendstatus) { 2052 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 2053 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) { 2054 cto->ct_flags |= CT2_SENDSTATUS; 2055 atp->state = ATPD_STATE_LAST_CTIO; 2056 if (fctape) { 2057 cto->ct_flags |= CT2_CONFIRM; 2058 } 2059 } else { 2060 atp->sendst = 1; /* send status later */ 2061 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 2062 atp->state = ATPD_STATE_CTIO; 2063 } 2064 } else { 2065 atp->state = ATPD_STATE_CTIO; 2066 } 2067 } 2068 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, 2069 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); 2070 } else { 2071 ct_entry_t *cto = (ct_entry_t *) local; 2072 2073 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO; 2074 cto->ct_header.rqs_entry_count = 1; 2075 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 2076 ATPD_SET_SEQNO(cto, atp); 2077 cto->ct_iid = cso->init_id; 2078 cto->ct_iid |= XS_CHANNEL(ccb) << 7; 2079 cto->ct_tgt = ccb->ccb_h.target_id; 2080 cto->ct_lun = ccb->ccb_h.target_lun; 2081 cto->ct_fwhandle = cso->tag_id; 2082 if (atp->rxid) { 2083 cto->ct_tag_val = atp->rxid; 2084 cto->ct_flags |= CT_TQAE; 2085 } 2086 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 2087 cto->ct_flags |= CT_NODISC; 2088 } 2089 if (cso->dxfer_len == 0) { 2090 cto->ct_flags |= CT_NO_DATA; 2091 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2092 cto->ct_flags |= CT_DATA_IN; 2093 } else { 2094 cto->ct_flags |= CT_DATA_OUT; 2095 } 2096 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 2097 cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR; 2098 cto->ct_scsi_status = cso->scsi_status; 2099 cto->ct_resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit - xfrlen; 2100 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d scsi status %x resid %d tag_id %x", __func__, 2101 cto->ct_fwhandle, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), cso->scsi_status, cso->resid, cso->tag_id); 2102 } 2103 ccb->ccb_h.flags &= ~CAM_SEND_SENSE; 2104 cto->ct_timeout = 10; 2105 } 2106 2107 if (isp_get_pcmd(isp, ccb)) { 2108 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 2109 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2110 break; 2111 } 2112 if (isp_allocate_xs_tgt(isp, ccb, &handle)) { 2113 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 2114 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2115 isp_free_pcmd(isp, ccb); 2116 break; 2117 } 2118 atp->bytes_in_transit += xfrlen; 2119 PISP_PCMD(ccb)->datalen = xfrlen; 2120 2121 2122 /* 2123 * Call the dma setup routines for this entry (and any subsequent 2124 * CTIOs) if there's data to move, and then tell the f/w it's got 2125 * new things to play with. As with isp_start's usage of DMA setup, 2126 * any swizzling is done in the machine dependent layer. Because 2127 * of this, we put the request onto the queue area first in native 2128 * format. 2129 */ 2130 2131 if (IS_24XX(isp)) { 2132 ct7_entry_t *cto = (ct7_entry_t *) local; 2133 cto->ct_syshandle = handle; 2134 } else if (IS_FC(isp)) { 2135 ct2_entry_t *cto = (ct2_entry_t *) local; 2136 cto->ct_syshandle = handle; 2137 } else { 2138 ct_entry_t *cto = (ct_entry_t *) local; 2139 cto->ct_syshandle = handle; 2140 } 2141 2142 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local); 2143 if (dmaresult != CMD_QUEUED) { 2144 isp_destroy_tgt_handle(isp, handle); 2145 isp_free_pcmd(isp, ccb); 2146 if (dmaresult == CMD_EAGAIN) { 2147 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2148 break; 2149 } 2150 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2151 xpt_done(ccb); 2152 continue; 2153 } 2154 isp->isp_nactive++; 2155 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 2156 if (xfrlen) { 2157 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 2158 } else { 2159 ccb->ccb_h.spriv_field0 = ~0; 2160 } 2161 atp->ctcnt++; 2162 atp->seqno++; 2163 } 2164 rls_lun_statep(isp, tptr); 2165 } 2166 2167 static void 2168 isp_refire_putback_atio(void *arg) 2169 { 2170 union ccb *ccb = arg; 2171 2172 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb)); 2173 isp_target_putback_atio(ccb); 2174 } 2175 2176 static void 2177 isp_refire_notify_ack(void *arg) 2178 { 2179 isp_tna_t *tp = arg; 2180 ispsoftc_t *isp = tp->isp; 2181 2182 ISP_ASSERT_LOCKED(isp); 2183 if (isp_notify_ack(isp, tp->not)) { 2184 callout_schedule(&tp->timer, 5); 2185 } else { 2186 free(tp, M_DEVBUF); 2187 } 2188 } 2189 2190 2191 static void 2192 isp_target_putback_atio(union ccb *ccb) 2193 { 2194 ispsoftc_t *isp; 2195 struct ccb_scsiio *cso; 2196 void *qe; 2197 2198 isp = XS_ISP(ccb); 2199 2200 qe = isp_getrqentry(isp); 2201 if (qe == NULL) { 2202 xpt_print(ccb->ccb_h.path, 2203 "%s: Request Queue Overflow\n", __func__); 2204 callout_reset(&PISP_PCMD(ccb)->wdog, 10, 2205 isp_refire_putback_atio, ccb); 2206 return; 2207 } 2208 memset(qe, 0, QENTRY_LEN); 2209 cso = &ccb->csio; 2210 if (IS_FC(isp)) { 2211 at2_entry_t local, *at = &local; 2212 ISP_MEMZERO(at, sizeof (at2_entry_t)); 2213 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 2214 at->at_header.rqs_entry_count = 1; 2215 if (ISP_CAP_SCCFW(isp)) { 2216 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 2217 } else { 2218 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 2219 } 2220 at->at_status = CT_OK; 2221 at->at_rxid = cso->tag_id; 2222 at->at_iid = cso->ccb_h.target_id; 2223 isp_put_atio2(isp, at, qe); 2224 } else { 2225 at_entry_t local, *at = &local; 2226 ISP_MEMZERO(at, sizeof (at_entry_t)); 2227 at->at_header.rqs_entry_type = RQSTYPE_ATIO; 2228 at->at_header.rqs_entry_count = 1; 2229 at->at_iid = cso->init_id; 2230 at->at_iid |= XS_CHANNEL(ccb) << 7; 2231 at->at_tgt = cso->ccb_h.target_id; 2232 at->at_lun = cso->ccb_h.target_lun; 2233 at->at_status = CT_OK; 2234 at->at_tag_val = AT_GET_TAG(cso->tag_id); 2235 at->at_handle = AT_GET_HANDLE(cso->tag_id); 2236 isp_put_atio(isp, at, qe); 2237 } 2238 ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe); 2239 ISP_SYNC_REQUEST(isp); 2240 isp_complete_ctio(ccb); 2241 } 2242 2243 static void 2244 isp_complete_ctio(union ccb *ccb) 2245 { 2246 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 2247 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2248 xpt_done(ccb); 2249 } 2250 } 2251 2252 /* 2253 * Handle ATIO stuff that the generic code can't. 2254 * This means handling CDBs. 2255 */ 2256 2257 static void 2258 isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep) 2259 { 2260 tstate_t *tptr; 2261 int status, bus; 2262 struct ccb_accept_tio *atiop; 2263 atio_private_data_t *atp; 2264 2265 /* 2266 * The firmware status (except for the QLTM_SVALID bit) 2267 * indicates why this ATIO was sent to us. 2268 * 2269 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 2270 * 2271 * If the DISCONNECTS DISABLED bit is set in the flags field, 2272 * we're still connected on the SCSI bus. 2273 */ 2274 status = aep->at_status; 2275 if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) { 2276 /* 2277 * Bus Phase Sequence error. We should have sense data 2278 * suggested by the f/w. I'm not sure quite yet what 2279 * to do about this for CAM. 2280 */ 2281 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR"); 2282 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2283 return; 2284 } 2285 if ((status & ~QLTM_SVALID) != AT_CDB) { 2286 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", status); 2287 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2288 return; 2289 } 2290 2291 bus = GET_BUS_VAL(aep->at_iid); 2292 tptr = get_lun_statep(isp, bus, aep->at_lun); 2293 if (tptr == NULL) { 2294 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 2295 if (tptr == NULL) { 2296 /* 2297 * Because we can't autofeed sense data back with 2298 * a command for parallel SCSI, we can't give back 2299 * a CHECK CONDITION. We'll give back a BUSY status 2300 * instead. This works out okay because the only 2301 * time we should, in fact, get this, is in the 2302 * case that somebody configured us without the 2303 * blackhole driver, so they get what they deserve. 2304 */ 2305 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2306 return; 2307 } 2308 } 2309 2310 atp = isp_get_atpd(isp, tptr, aep->at_handle); 2311 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2312 if (atiop == NULL || atp == NULL) { 2313 /* 2314 * Because we can't autofeed sense data back with 2315 * a command for parallel SCSI, we can't give back 2316 * a CHECK CONDITION. We'll give back a QUEUE FULL status 2317 * instead. This works out okay because the only time we 2318 * should, in fact, get this, is in the case that we've 2319 * run out of ATIOS. 2320 */ 2321 xpt_print(tptr->owner, "no %s for lun %d from initiator %d\n", (atp == NULL && atiop == NULL)? "ATIOs *or* ATPS" : 2322 ((atp == NULL)? "ATPs" : "ATIOs"), aep->at_lun, aep->at_iid); 2323 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2324 if (atp) { 2325 isp_put_atpd(isp, tptr, atp); 2326 } 2327 rls_lun_statep(isp, tptr); 2328 return; 2329 } 2330 atp->rxid = aep->at_tag_val; 2331 atp->state = ATPD_STATE_ATIO; 2332 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2333 tptr->atio_count--; 2334 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count); 2335 atiop->ccb_h.target_id = aep->at_tgt; 2336 atiop->ccb_h.target_lun = aep->at_lun; 2337 if (aep->at_flags & AT_NODISC) { 2338 atiop->ccb_h.flags |= CAM_DIS_DISCONNECT; 2339 } else { 2340 atiop->ccb_h.flags &= ~CAM_DIS_DISCONNECT; 2341 } 2342 2343 if (status & QLTM_SVALID) { 2344 size_t amt = ISP_MIN(QLTM_SENSELEN, sizeof (atiop->sense_data)); 2345 atiop->sense_len = amt; 2346 ISP_MEMCPY(&atiop->sense_data, aep->at_sense, amt); 2347 } else { 2348 atiop->sense_len = 0; 2349 } 2350 2351 atiop->init_id = GET_IID_VAL(aep->at_iid); 2352 atiop->cdb_len = aep->at_cdblen; 2353 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen); 2354 atiop->ccb_h.status = CAM_CDB_RECVD; 2355 /* 2356 * Construct a tag 'id' based upon tag value (which may be 0..255) 2357 * and the handle (which we have to preserve). 2358 */ 2359 atiop->tag_id = atp->tag; 2360 if (aep->at_flags & AT_TQAE) { 2361 atiop->tag_action = aep->at_tag_type; 2362 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID; 2363 } 2364 atp->orig_datalen = 0; 2365 atp->bytes_xfered = 0; 2366 atp->lun = aep->at_lun; 2367 atp->nphdl = aep->at_iid; 2368 atp->portid = PORT_NONE; 2369 atp->oxid = 0; 2370 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 2371 atp->tattr = aep->at_tag_type; 2372 atp->state = ATPD_STATE_CAM; 2373 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO[0x%x] CDB=0x%x lun %d", aep->at_tag_val, atp->cdb0, atp->lun); 2374 rls_lun_statep(isp, tptr); 2375 } 2376 2377 static void 2378 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep) 2379 { 2380 lun_id_t lun; 2381 fcportdb_t *lp; 2382 tstate_t *tptr; 2383 struct ccb_accept_tio *atiop; 2384 uint16_t nphdl; 2385 atio_private_data_t *atp; 2386 inot_private_data_t *ntp; 2387 2388 /* 2389 * The firmware status (except for the QLTM_SVALID bit) 2390 * indicates why this ATIO was sent to us. 2391 * 2392 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 2393 */ 2394 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 2395 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status); 2396 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2397 return; 2398 } 2399 2400 if (ISP_CAP_SCCFW(isp)) { 2401 lun = aep->at_scclun; 2402 } else { 2403 lun = aep->at_lun; 2404 } 2405 if (ISP_CAP_2KLOGIN(isp)) { 2406 nphdl = ((at2e_entry_t *)aep)->at_iid; 2407 } else { 2408 nphdl = aep->at_iid; 2409 } 2410 tptr = get_lun_statep(isp, 0, lun); 2411 if (tptr == NULL) { 2412 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 2413 if (tptr == NULL) { 2414 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun); 2415 if (lun == 0) { 2416 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2417 } else { 2418 isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 2419 } 2420 return; 2421 } 2422 } 2423 2424 /* 2425 * Start any commands pending resources first. 2426 */ 2427 if (tptr->restart_queue) { 2428 inot_private_data_t *restart_queue = tptr->restart_queue; 2429 tptr->restart_queue = NULL; 2430 while (restart_queue) { 2431 ntp = restart_queue; 2432 restart_queue = ntp->rd.nt.nt_hba; 2433 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid); 2434 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data); 2435 isp_put_ntpd(isp, tptr, ntp); 2436 /* 2437 * If a recursion caused the restart queue to start to fill again, 2438 * stop and splice the new list on top of the old list and restore 2439 * it and go to noresrc. 2440 */ 2441 if (tptr->restart_queue) { 2442 ntp = tptr->restart_queue; 2443 tptr->restart_queue = restart_queue; 2444 while (restart_queue->rd.nt.nt_hba) { 2445 restart_queue = restart_queue->rd.nt.nt_hba; 2446 } 2447 restart_queue->rd.nt.nt_hba = ntp; 2448 goto noresrc; 2449 } 2450 } 2451 } 2452 2453 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2454 if (atiop == NULL) { 2455 goto noresrc; 2456 } 2457 2458 atp = isp_get_atpd(isp, tptr, aep->at_rxid); 2459 if (atp == NULL) { 2460 goto noresrc; 2461 } 2462 2463 atp->state = ATPD_STATE_ATIO; 2464 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2465 tptr->atio_count--; 2466 isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count); 2467 atiop->ccb_h.target_id = FCPARAM(isp, 0)->isp_loopid; 2468 atiop->ccb_h.target_lun = lun; 2469 2470 /* 2471 * We don't get 'suggested' sense data as we do with SCSI cards. 2472 */ 2473 atiop->sense_len = 0; 2474 2475 /* 2476 * If we're not in the port database, add ourselves. 2477 */ 2478 if (IS_2100(isp)) 2479 atiop->init_id = nphdl; 2480 else { 2481 if ((isp_find_pdb_by_handle(isp, 0, nphdl, &lp) == 0 || 2482 lp->state == FC_PORTDB_STATE_ZOMBIE)) { 2483 uint64_t wwpn = 2484 (((uint64_t) aep->at_wwpn[0]) << 48) | 2485 (((uint64_t) aep->at_wwpn[1]) << 32) | 2486 (((uint64_t) aep->at_wwpn[2]) << 16) | 2487 (((uint64_t) aep->at_wwpn[3]) << 0); 2488 isp_add_wwn_entry(isp, 0, wwpn, INI_NONE, 2489 nphdl, PORT_ANY, 0); 2490 isp_find_pdb_by_handle(isp, 0, nphdl, &lp); 2491 } 2492 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp); 2493 } 2494 atiop->cdb_len = ATIO2_CDBLEN; 2495 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 2496 atiop->ccb_h.status = CAM_CDB_RECVD; 2497 atiop->tag_id = atp->tag; 2498 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 2499 case ATIO2_TC_ATTR_SIMPLEQ: 2500 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2501 atiop->tag_action = MSG_SIMPLE_Q_TAG; 2502 break; 2503 case ATIO2_TC_ATTR_HEADOFQ: 2504 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2505 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 2506 break; 2507 case ATIO2_TC_ATTR_ORDERED: 2508 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2509 atiop->tag_action = MSG_ORDERED_Q_TAG; 2510 break; 2511 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 2512 case ATIO2_TC_ATTR_UNTAGGED: 2513 default: 2514 atiop->tag_action = 0; 2515 break; 2516 } 2517 2518 atp->orig_datalen = aep->at_datalen; 2519 atp->bytes_xfered = 0; 2520 atp->lun = lun; 2521 atp->nphdl = nphdl; 2522 atp->sid = PORT_ANY; 2523 atp->oxid = aep->at_oxid; 2524 atp->cdb0 = aep->at_cdb[0]; 2525 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 2526 atp->state = ATPD_STATE_CAM; 2527 xpt_done((union ccb *)atiop); 2528 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); 2529 rls_lun_statep(isp, tptr); 2530 return; 2531 noresrc: 2532 ntp = isp_get_ntpd(isp, tptr); 2533 if (ntp == NULL) { 2534 rls_lun_statep(isp, tptr); 2535 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 2536 return; 2537 } 2538 memcpy(ntp->rd.data, aep, QENTRY_LEN); 2539 ntp->rd.nt.nt_hba = tptr->restart_queue; 2540 tptr->restart_queue = ntp; 2541 rls_lun_statep(isp, tptr); 2542 } 2543 2544 static void 2545 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 2546 { 2547 int cdbxlen; 2548 uint16_t lun, chan, nphdl = NIL_HANDLE; 2549 uint32_t did, sid; 2550 fcportdb_t *lp; 2551 tstate_t *tptr; 2552 struct ccb_accept_tio *atiop; 2553 atio_private_data_t *atp = NULL; 2554 atio_private_data_t *oatp; 2555 inot_private_data_t *ntp; 2556 2557 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 2558 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2559 lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | aep->at_cmnd.fcp_cmnd_lun[1]; 2560 2561 /* 2562 * Find the N-port handle, and Virtual Port Index for this command. 2563 * 2564 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information. 2565 * We also, as a matter of course, need to know the WWN of the initiator too. 2566 */ 2567 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 2568 /* 2569 * Find the right channel based upon D_ID 2570 */ 2571 isp_find_chan_by_did(isp, did, &chan); 2572 2573 if (chan == ISP_NOCHAN) { 2574 NANOTIME_T now; 2575 2576 /* 2577 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup 2578 * It's a bit tricky here as we need to stash this command *somewhere*. 2579 */ 2580 GET_NANOTIME(&now); 2581 if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) { 2582 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did); 2583 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 2584 return; 2585 } 2586 tptr = get_lun_statep(isp, 0, 0); 2587 if (tptr == NULL) { 2588 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 2589 if (tptr == NULL) { 2590 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); 2591 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 2592 return; 2593 } 2594 } 2595 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did); 2596 goto noresrc; 2597 } 2598 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); 2599 } else { 2600 chan = 0; 2601 } 2602 2603 /* 2604 * Find the PDB entry for this initiator 2605 */ 2606 if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) { 2607 /* 2608 * If we're not in the port database terminate the exchange. 2609 */ 2610 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", 2611 __func__, aep->at_rxid, did, chan, sid); 2612 isp_dump_portdb(isp, chan); 2613 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 2614 return; 2615 } 2616 nphdl = lp->handle; 2617 2618 /* 2619 * Get the tstate pointer 2620 */ 2621 tptr = get_lun_statep(isp, chan, lun); 2622 if (tptr == NULL) { 2623 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 2624 if (tptr == NULL) { 2625 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun); 2626 if (lun == 0) { 2627 isp_endcmd(isp, aep, nphdl, SCSI_STATUS_BUSY, 0); 2628 } else { 2629 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 2630 } 2631 return; 2632 } 2633 } 2634 2635 /* 2636 * Start any commands pending resources first. 2637 */ 2638 if (tptr->restart_queue) { 2639 inot_private_data_t *restart_queue = tptr->restart_queue; 2640 tptr->restart_queue = NULL; 2641 while (restart_queue) { 2642 ntp = restart_queue; 2643 restart_queue = ntp->rd.nt.nt_hba; 2644 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid); 2645 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data); 2646 isp_put_ntpd(isp, tptr, ntp); 2647 /* 2648 * If a recursion caused the restart queue to start to fill again, 2649 * stop and splice the new list on top of the old list and restore 2650 * it and go to noresrc. 2651 */ 2652 if (tptr->restart_queue) { 2653 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restart queue refilling", __func__); 2654 if (restart_queue) { 2655 ntp = tptr->restart_queue; 2656 tptr->restart_queue = restart_queue; 2657 while (restart_queue->rd.nt.nt_hba) { 2658 restart_queue = restart_queue->rd.nt.nt_hba; 2659 } 2660 restart_queue->rd.nt.nt_hba = ntp; 2661 } 2662 goto noresrc; 2663 } 2664 } 2665 } 2666 2667 /* 2668 * If the f/w is out of resources, just send a BUSY status back. 2669 */ 2670 if (aep->at_rxid == AT7_NORESRC_RXID) { 2671 rls_lun_statep(isp, tptr); 2672 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 2673 return; 2674 } 2675 2676 /* 2677 * If we're out of resources, just send a BUSY status back. 2678 */ 2679 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2680 if (atiop == NULL) { 2681 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 2682 goto noresrc; 2683 } 2684 2685 oatp = isp_find_atpd(isp, tptr, aep->at_rxid); 2686 if (oatp) { 2687 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", 2688 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 2689 /* 2690 * It's not a "no resource" condition- but we can treat it like one 2691 */ 2692 goto noresrc; 2693 } 2694 atp = isp_get_atpd(isp, tptr, aep->at_rxid); 2695 if (atp == NULL) { 2696 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 2697 goto noresrc; 2698 } 2699 atp->word3 = lp->prli_word3; 2700 atp->state = ATPD_STATE_ATIO; 2701 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2702 tptr->atio_count--; 2703 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count); 2704 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 2705 atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid; 2706 atiop->ccb_h.target_lun = lun; 2707 atiop->sense_len = 0; 2708 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 2709 if (cdbxlen) { 2710 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 2711 } 2712 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 2713 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 2714 atiop->cdb_len = cdbxlen; 2715 atiop->ccb_h.status = CAM_CDB_RECVD; 2716 atiop->tag_id = atp->tag; 2717 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 2718 case FCP_CMND_TASK_ATTR_SIMPLE: 2719 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2720 atiop->tag_action = MSG_SIMPLE_Q_TAG; 2721 break; 2722 case FCP_CMND_TASK_ATTR_HEAD: 2723 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2724 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 2725 break; 2726 case FCP_CMND_TASK_ATTR_ORDERED: 2727 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2728 atiop->tag_action = MSG_ORDERED_Q_TAG; 2729 break; 2730 default: 2731 /* FALLTHROUGH */ 2732 case FCP_CMND_TASK_ATTR_ACA: 2733 case FCP_CMND_TASK_ATTR_UNTAGGED: 2734 atiop->tag_action = 0; 2735 break; 2736 } 2737 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 2738 atp->bytes_xfered = 0; 2739 atp->lun = lun; 2740 atp->nphdl = nphdl; 2741 atp->portid = sid; 2742 atp->oxid = aep->at_hdr.ox_id; 2743 atp->rxid = aep->at_hdr.rx_id; 2744 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 2745 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 2746 atp->state = ATPD_STATE_CAM; 2747 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen); 2748 xpt_done((union ccb *)atiop); 2749 rls_lun_statep(isp, tptr); 2750 return; 2751 noresrc: 2752 if (atp) { 2753 isp_put_atpd(isp, tptr, atp); 2754 } 2755 ntp = isp_get_ntpd(isp, tptr); 2756 if (ntp == NULL) { 2757 rls_lun_statep(isp, tptr); 2758 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 2759 return; 2760 } 2761 memcpy(ntp->rd.data, aep, QENTRY_LEN); 2762 ntp->rd.nt.nt_hba = tptr->restart_queue; 2763 tptr->restart_queue = ntp; 2764 rls_lun_statep(isp, tptr); 2765 } 2766 2767 2768 /* 2769 * Handle starting an SRR (sequence retransmit request) 2770 * We get here when we've gotten the immediate notify 2771 * and the return of all outstanding CTIOs for this 2772 * transaction. 2773 */ 2774 static void 2775 isp_handle_srr_start(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp) 2776 { 2777 in_fcentry_24xx_t *inot; 2778 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 2779 union ccb *ccb; 2780 2781 inot = (in_fcentry_24xx_t *)atp->srr; 2782 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 2783 ccb = atp->srr_ccb; 2784 atp->srr_ccb = NULL; 2785 atp->nsrr++; 2786 if (ccb == NULL) { 2787 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 2788 goto fail; 2789 } 2790 2791 ccb_off = ccb->ccb_h.spriv_field0; 2792 ccb_len = ccb->csio.dxfer_len; 2793 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 2794 2795 switch (inot->in_srr_iu) { 2796 case R_CTL_INFO_SOLICITED_DATA: 2797 /* 2798 * We have to restart a FCP_DATA data out transaction 2799 */ 2800 atp->sendst = 0; 2801 atp->bytes_xfered = srr_off; 2802 if (ccb_len == 0) { 2803 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 2804 goto mdp; 2805 } 2806 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 2807 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); 2808 goto mdp; 2809 } 2810 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); 2811 break; 2812 case R_CTL_INFO_COMMAND_STATUS: 2813 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 2814 atp->sendst = 1; 2815 /* 2816 * We have to restart a FCP_RSP IU transaction 2817 */ 2818 break; 2819 case R_CTL_INFO_DATA_DESCRIPTOR: 2820 /* 2821 * We have to restart an FCP DATA in transaction 2822 */ 2823 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 2824 goto fail; 2825 2826 default: 2827 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 2828 goto fail; 2829 } 2830 2831 /* 2832 * We can't do anything until this is acked, so we might as well start it now. 2833 * We aren't going to do the usual asynchronous ack issue because we need 2834 * to make sure this gets on the wire first. 2835 */ 2836 if (isp_notify_ack(isp, inot)) { 2837 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2838 goto fail; 2839 } 2840 isp_target_start_ctio(isp, ccb, FROM_SRR); 2841 return; 2842 fail: 2843 inot->in_reserved = 1; 2844 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2845 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2846 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2847 isp_complete_ctio(ccb); 2848 return; 2849 mdp: 2850 if (isp_notify_ack(isp, inot)) { 2851 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2852 goto fail; 2853 } 2854 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2855 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2856 /* 2857 * This is not a strict interpretation of MDP, but it's close 2858 */ 2859 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2860 ccb->csio.msg_len = 7; 2861 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2862 ccb->csio.msg_ptr[1] = 5; 2863 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2864 ccb->csio.msg_ptr[3] = srr_off >> 24; 2865 ccb->csio.msg_ptr[4] = srr_off >> 16; 2866 ccb->csio.msg_ptr[5] = srr_off >> 8; 2867 ccb->csio.msg_ptr[6] = srr_off; 2868 isp_complete_ctio(ccb); 2869 } 2870 2871 2872 static void 2873 isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw) 2874 { 2875 tstate_t *tptr; 2876 in_fcentry_24xx_t *inot = inot_raw; 2877 atio_private_data_t *atp; 2878 uint32_t tag = inot->in_rxid; 2879 uint32_t bus = inot->in_vpidx; 2880 2881 if (!IS_24XX(isp)) { 2882 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw); 2883 return; 2884 } 2885 2886 tptr = get_lun_statep_from_tag(isp, bus, tag); 2887 if (tptr == NULL) { 2888 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x in SRR Notify", __func__, tag); 2889 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2890 return; 2891 } 2892 atp = isp_find_atpd(isp, tptr, tag); 2893 if (atp == NULL) { 2894 rls_lun_statep(isp, tptr); 2895 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag); 2896 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2897 return; 2898 } 2899 atp->srr_notify_rcvd = 1; 2900 memcpy(atp->srr, inot, sizeof (atp->srr)); 2901 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, 2902 inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16)); 2903 if (atp->srr_ccb) 2904 isp_handle_srr_start(isp, tptr, atp); 2905 rls_lun_statep(isp, tptr); 2906 } 2907 2908 static void 2909 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2910 { 2911 union ccb *ccb; 2912 int sentstatus = 0, ok = 0, notify_cam = 0, resid = 0, failure = 0; 2913 tstate_t *tptr = NULL; 2914 atio_private_data_t *atp = NULL; 2915 int bus; 2916 uint32_t handle, moved_data = 0, data_requested; 2917 2918 /* 2919 * CTIO handles are 16 bits. 2920 * CTIO2 and CTIO7 are 32 bits. 2921 */ 2922 2923 if (IS_SCSI(isp)) { 2924 handle = ((ct_entry_t *)arg)->ct_syshandle; 2925 } else { 2926 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2927 } 2928 ccb = isp_find_xs_tgt(isp, handle); 2929 if (ccb == NULL) { 2930 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2931 return; 2932 } 2933 isp_destroy_tgt_handle(isp, handle); 2934 data_requested = PISP_PCMD(ccb)->datalen; 2935 isp_free_pcmd(isp, ccb); 2936 if (isp->isp_nactive) { 2937 isp->isp_nactive--; 2938 } 2939 2940 bus = XS_CHANNEL(ccb); 2941 tptr = get_lun_statep(isp, bus, XS_LUN(ccb)); 2942 if (tptr == NULL) { 2943 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 2944 } 2945 if (tptr == NULL) { 2946 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x after I/O", __func__, ccb->csio.tag_id); 2947 return; 2948 } 2949 2950 if (IS_24XX(isp)) { 2951 atp = isp_find_atpd(isp, tptr, ((ct7_entry_t *)arg)->ct_rxid); 2952 } else if (IS_FC(isp)) { 2953 atp = isp_find_atpd(isp, tptr, ((ct2_entry_t *)arg)->ct_rxid); 2954 } else { 2955 atp = isp_find_atpd(isp, tptr, ((ct_entry_t *)arg)->ct_fwhandle); 2956 } 2957 if (atp == NULL) { 2958 /* 2959 * XXX: isp_clear_commands() generates fake CTIO with zero 2960 * ct_rxid value, filling only ct_syshandle. Workaround 2961 * that using tag_id from the CCB, pointed by ct_syshandle. 2962 */ 2963 atp = isp_find_atpd(isp, tptr, ccb->csio.tag_id); 2964 } 2965 if (atp == NULL) { 2966 rls_lun_statep(isp, tptr); 2967 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2968 return; 2969 } 2970 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2971 atp->bytes_in_transit -= data_requested; 2972 atp->ctcnt -= 1; 2973 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2974 2975 if (IS_24XX(isp)) { 2976 ct7_entry_t *ct = arg; 2977 2978 if (ct->ct_nphdl == CT7_SRR) { 2979 atp->srr_ccb = ccb; 2980 if (atp->srr_notify_rcvd) 2981 isp_handle_srr_start(isp, tptr, atp); 2982 rls_lun_statep(isp, tptr); 2983 return; 2984 } 2985 if (ct->ct_nphdl == CT_HBA_RESET) { 2986 failure = CAM_UNREC_HBA_ERROR; 2987 } else { 2988 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 2989 ok = (ct->ct_nphdl == CT7_OK); 2990 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2991 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) { 2992 resid = ct->ct_resid; 2993 moved_data = data_requested - resid; 2994 } 2995 } 2996 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), 2997 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2998 } else if (IS_FC(isp)) { 2999 ct2_entry_t *ct = arg; 3000 if (ct->ct_status == CT_SRR) { 3001 atp->srr_ccb = ccb; 3002 if (atp->srr_notify_rcvd) 3003 isp_handle_srr_start(isp, tptr, atp); 3004 rls_lun_statep(isp, tptr); 3005 isp_target_putback_atio(ccb); 3006 return; 3007 } 3008 if (ct->ct_status == CT_HBA_RESET) { 3009 failure = CAM_UNREC_HBA_ERROR; 3010 } else { 3011 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 3012 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 3013 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 3014 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) { 3015 resid = ct->ct_resid; 3016 moved_data = data_requested - resid; 3017 } 3018 } 3019 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), 3020 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 3021 } else { 3022 ct_entry_t *ct = arg; 3023 3024 if (ct->ct_status == (CT_HBA_RESET & 0xff)) { 3025 failure = CAM_UNREC_HBA_ERROR; 3026 } else { 3027 sentstatus = ct->ct_flags & CT_SENDSTATUS; 3028 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 3029 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 3030 } 3031 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) { 3032 resid = ct->ct_resid; 3033 moved_data = data_requested - resid; 3034 } 3035 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), 3036 notify_cam, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID"); 3037 } 3038 if (ok) { 3039 if (moved_data) { 3040 atp->bytes_xfered += moved_data; 3041 ccb->csio.resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 3042 } 3043 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) { 3044 ccb->ccb_h.status |= CAM_SENT_SENSE; 3045 } 3046 ccb->ccb_h.status |= CAM_REQ_CMP; 3047 } else { 3048 notify_cam = 1; 3049 if (failure == CAM_UNREC_HBA_ERROR) 3050 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 3051 else 3052 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 3053 } 3054 atp->state = ATPD_STATE_PDON; 3055 rls_lun_statep(isp, tptr); 3056 3057 /* 3058 * We never *not* notify CAM when there has been any error (ok == 0), 3059 * so we never need to do an ATIO putback if we're not notifying CAM. 3060 */ 3061 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 3062 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 3063 if (notify_cam == 0) { 3064 if (atp->sendst) { 3065 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 3066 } 3067 return; 3068 } 3069 3070 /* 3071 * We're telling CAM we're done with this CTIO transaction. 3072 * 3073 * 24XX cards never need an ATIO put back. 3074 * 3075 * Other cards need one put back only on error. 3076 * In the latter case, a timeout will re-fire 3077 * and try again in case we didn't have 3078 * queue resources to do so at first. In any case, 3079 * once the putback is done we do the completion 3080 * call. 3081 */ 3082 if (ok || IS_24XX(isp)) { 3083 isp_complete_ctio(ccb); 3084 } else { 3085 isp_target_putback_atio(ccb); 3086 } 3087 } 3088 3089 static void 3090 isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot) 3091 { 3092 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3093 } 3094 3095 static void 3096 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp) 3097 { 3098 int needack = 1; 3099 switch (inp->in_status) { 3100 case IN_PORT_LOGOUT: 3101 /* 3102 * XXX: Need to delete this initiator's WWN from the database 3103 * XXX: Need to send this LOGOUT upstream 3104 */ 3105 isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid); 3106 break; 3107 case IN_PORT_CHANGED: 3108 isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid); 3109 break; 3110 case IN_GLOBAL_LOGO: 3111 isp_del_all_wwn_entries(isp, 0); 3112 isp_prt(isp, ISP_LOGINFO, "all ports logged out"); 3113 break; 3114 case IN_ABORT_TASK: 3115 { 3116 tstate_t *tptr; 3117 uint16_t lun; 3118 uint32_t loopid, sid; 3119 uint64_t wwn; 3120 atio_private_data_t *atp; 3121 fcportdb_t *lp; 3122 struct ccb_immediate_notify *inot = NULL; 3123 3124 if (ISP_CAP_SCCFW(isp)) { 3125 lun = inp->in_scclun; 3126 } else { 3127 lun = inp->in_lun; 3128 } 3129 if (ISP_CAP_2KLOGIN(isp)) { 3130 loopid = ((in_fcentry_e_t *)inp)->in_iid; 3131 } else { 3132 loopid = inp->in_iid; 3133 } 3134 if (isp_find_pdb_by_handle(isp, 0, loopid, &lp)) { 3135 wwn = lp->port_wwn; 3136 sid = lp->portid; 3137 } else { 3138 wwn = INI_ANY; 3139 sid = PORT_ANY; 3140 } 3141 tptr = get_lun_statep(isp, 0, lun); 3142 if (tptr == NULL) { 3143 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 3144 if (tptr == NULL) { 3145 isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun); 3146 return; 3147 } 3148 } 3149 atp = isp_find_atpd(isp, tptr, inp->in_seqid); 3150 3151 if (atp) { 3152 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 3153 isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state); 3154 if (inot) { 3155 tptr->inot_count--; 3156 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 3157 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count); 3158 } else { 3159 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "out of INOT structures\n"); 3160 } 3161 } else { 3162 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn); 3163 } 3164 if (inot) { 3165 isp_notify_t tmp, *nt = &tmp; 3166 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 3167 nt->nt_hba = isp; 3168 nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn; 3169 nt->nt_wwn = wwn; 3170 nt->nt_nphdl = loopid; 3171 nt->nt_sid = sid; 3172 nt->nt_did = PORT_ANY; 3173 nt->nt_lun = lun; 3174 nt->nt_need_ack = 1; 3175 nt->nt_channel = 0; 3176 nt->nt_ncode = NT_ABORT_TASK; 3177 nt->nt_lreserved = inot; 3178 isp_handle_platform_target_tmf(isp, nt); 3179 needack = 0; 3180 } 3181 rls_lun_statep(isp, tptr); 3182 break; 3183 } 3184 default: 3185 break; 3186 } 3187 if (needack) { 3188 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp); 3189 } 3190 } 3191 3192 static void 3193 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot) 3194 { 3195 uint16_t nphdl; 3196 uint16_t prli_options = 0; 3197 uint32_t portid; 3198 fcportdb_t *lp; 3199 char *msg = NULL; 3200 uint8_t *ptr = (uint8_t *)inot; 3201 uint64_t wwpn = INI_NONE, wwnn = INI_NONE; 3202 3203 nphdl = inot->in_nphdl; 3204 if (nphdl != NIL_HANDLE) { 3205 portid = inot->in_portid_hi << 16 | inot->in_portid_lo; 3206 } else { 3207 portid = PORT_ANY; 3208 } 3209 3210 switch (inot->in_status) { 3211 case IN24XX_ELS_RCVD: 3212 { 3213 char buf[16]; 3214 int chan = ISP_GET_VPIDX(isp, inot->in_vpidx); 3215 3216 /* 3217 * Note that we're just getting notification that an ELS was received 3218 * (possibly with some associated information sent upstream). This is 3219 * *not* the same as being given the ELS frame to accept or reject. 3220 */ 3221 switch (inot->in_status_subcode) { 3222 case LOGO: 3223 msg = "LOGO"; 3224 wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]); 3225 isp_del_wwn_entry(isp, chan, wwpn, nphdl, portid); 3226 break; 3227 case PRLO: 3228 msg = "PRLO"; 3229 break; 3230 case PLOGI: 3231 msg = "PLOGI"; 3232 wwnn = be64dec(&ptr[IN24XX_PLOGI_WWNN_OFF]); 3233 wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]); 3234 isp_add_wwn_entry(isp, chan, wwpn, wwnn, 3235 nphdl, portid, prli_options); 3236 break; 3237 case PRLI: 3238 msg = "PRLI"; 3239 prli_options = inot->in_prli_options; 3240 if (inot->in_flags & IN24XX_FLAG_PN_NN_VALID) 3241 wwnn = be64dec(&ptr[IN24XX_PRLI_WWNN_OFF]); 3242 wwpn = be64dec(&ptr[IN24XX_PRLI_WWPN_OFF]); 3243 isp_add_wwn_entry(isp, chan, wwpn, wwnn, 3244 nphdl, portid, prli_options); 3245 break; 3246 case PDISC: 3247 msg = "PDISC"; 3248 break; 3249 case ADISC: 3250 msg = "ADISC"; 3251 break; 3252 default: 3253 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode); 3254 msg = buf; 3255 break; 3256 } 3257 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) { 3258 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); 3259 break; 3260 } 3261 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, 3262 inot->in_rxid, inot->in_oxid); 3263 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3264 break; 3265 } 3266 3267 case IN24XX_PORT_LOGOUT: 3268 msg = "PORT LOGOUT"; 3269 if (isp_find_pdb_by_handle(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) { 3270 isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid); 3271 } 3272 /* FALLTHROUGH */ 3273 case IN24XX_PORT_CHANGED: 3274 if (msg == NULL) 3275 msg = "PORT CHANGED"; 3276 /* FALLTHROUGH */ 3277 case IN24XX_LIP_RESET: 3278 if (msg == NULL) 3279 msg = "LIP RESET"; 3280 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for N-port handle 0x%x", ISP_GET_VPIDX(isp, inot->in_vpidx), msg, inot->in_status_subcode, nphdl); 3281 3282 /* 3283 * All subcodes here are irrelevant. What is relevant 3284 * is that we need to terminate all active commands from 3285 * this initiator (known by N-port handle). 3286 */ 3287 /* XXX IMPLEMENT XXX */ 3288 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3289 break; 3290 3291 case IN24XX_SRR_RCVD: 3292 #ifdef ISP_TARGET_MODE 3293 isp_handle_srr_notify(isp, inot); 3294 break; 3295 #else 3296 if (msg == NULL) 3297 msg = "SRR RCVD"; 3298 /* FALLTHROUGH */ 3299 #endif 3300 case IN24XX_LINK_RESET: 3301 if (msg == NULL) 3302 msg = "LINK RESET"; 3303 case IN24XX_LINK_FAILED: 3304 if (msg == NULL) 3305 msg = "LINK FAILED"; 3306 default: 3307 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), msg); 3308 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3309 break; 3310 } 3311 } 3312 3313 static int 3314 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp) 3315 { 3316 3317 if (isp->isp_state != ISP_RUNSTATE) { 3318 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 3319 return (0); 3320 } 3321 3322 /* 3323 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 3324 */ 3325 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 3326 ct7_entry_t local, *cto = &local; 3327 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 3328 fcportdb_t *lp; 3329 uint32_t sid; 3330 uint16_t nphdl; 3331 3332 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 3333 if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) { 3334 nphdl = lp->handle; 3335 } else { 3336 nphdl = NIL_HANDLE; 3337 } 3338 ISP_MEMZERO(&local, sizeof (local)); 3339 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 3340 cto->ct_header.rqs_entry_count = 1; 3341 cto->ct_nphdl = nphdl; 3342 cto->ct_rxid = aep->at_rxid; 3343 cto->ct_vpidx = mp->nt_channel; 3344 cto->ct_iid_lo = sid; 3345 cto->ct_iid_hi = sid >> 16; 3346 cto->ct_oxid = aep->at_hdr.ox_id; 3347 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 3348 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 3349 return (isp_target_put_entry(isp, &local)); 3350 } 3351 3352 /* 3353 * This case is for a responding to an ABTS frame 3354 */ 3355 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 3356 3357 /* 3358 * Overload nt_need_ack here to mark whether we've terminated the associated command. 3359 */ 3360 if (mp->nt_need_ack) { 3361 uint8_t storage[QENTRY_LEN]; 3362 ct7_entry_t *cto = (ct7_entry_t *) storage; 3363 abts_t *abts = (abts_t *)mp->nt_lreserved; 3364 3365 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 3366 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 3367 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 3368 cto->ct_header.rqs_entry_count = 1; 3369 cto->ct_nphdl = mp->nt_nphdl; 3370 cto->ct_rxid = abts->abts_rxid_task; 3371 cto->ct_iid_lo = mp->nt_sid; 3372 cto->ct_iid_hi = mp->nt_sid >> 16; 3373 cto->ct_oxid = abts->abts_ox_id; 3374 cto->ct_vpidx = mp->nt_channel; 3375 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 3376 if (isp_target_put_entry(isp, cto)) { 3377 return (ENOMEM); 3378 } 3379 mp->nt_need_ack = 0; 3380 } 3381 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 3382 return (ENOMEM); 3383 } else { 3384 return (0); 3385 } 3386 } 3387 3388 /* 3389 * Handle logout cases here 3390 */ 3391 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 3392 isp_del_all_wwn_entries(isp, mp->nt_channel); 3393 } 3394 3395 if (mp->nt_ncode == NT_LOGOUT) { 3396 if (!IS_2100(isp) && IS_FC(isp)) { 3397 isp_del_wwn_entries(isp, mp); 3398 } 3399 } 3400 3401 /* 3402 * General purpose acknowledgement 3403 */ 3404 if (mp->nt_need_ack) { 3405 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 3406 /* 3407 * Don't need to use the guaranteed send because the caller can retry 3408 */ 3409 return (isp_notify_ack(isp, mp->nt_lreserved)); 3410 } 3411 return (0); 3412 } 3413 3414 /* 3415 * Handle task management functions. 3416 * 3417 * We show up here with a notify structure filled out. 3418 * 3419 * The nt_lreserved tag points to the original queue entry 3420 */ 3421 static void 3422 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 3423 { 3424 tstate_t *tptr; 3425 fcportdb_t *lp; 3426 struct ccb_immediate_notify *inot; 3427 inot_private_data_t *ntp = NULL; 3428 lun_id_t lun; 3429 3430 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode, 3431 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 3432 /* 3433 * NB: This assignment is necessary because of tricky type conversion. 3434 * XXX: This is tricky and I need to check this. If the lun isn't known 3435 * XXX: for the task management function, it does not of necessity follow 3436 * XXX: that it should go up stream to the wildcard listener. 3437 */ 3438 if (notify->nt_lun == LUN_ANY) { 3439 lun = CAM_LUN_WILDCARD; 3440 } else { 3441 lun = notify->nt_lun; 3442 } 3443 tptr = get_lun_statep(isp, notify->nt_channel, lun); 3444 if (tptr == NULL) { 3445 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 3446 if (tptr == NULL) { 3447 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 3448 goto bad; 3449 } 3450 } 3451 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 3452 if (inot == NULL) { 3453 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 3454 goto bad; 3455 } 3456 3457 if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 3458 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 3459 inot->initiator_id = CAM_TARGET_WILDCARD; 3460 } else { 3461 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 3462 } 3463 inot->seq_id = notify->nt_tagval; 3464 inot->tag_id = notify->nt_tagval >> 32; 3465 3466 switch (notify->nt_ncode) { 3467 case NT_ABORT_TASK: 3468 isp_target_mark_aborted_early(isp, tptr, inot->tag_id); 3469 inot->arg = MSG_ABORT_TASK; 3470 break; 3471 case NT_ABORT_TASK_SET: 3472 isp_target_mark_aborted_early(isp, tptr, TAG_ANY); 3473 inot->arg = MSG_ABORT_TASK_SET; 3474 break; 3475 case NT_CLEAR_ACA: 3476 inot->arg = MSG_CLEAR_ACA; 3477 break; 3478 case NT_CLEAR_TASK_SET: 3479 inot->arg = MSG_CLEAR_TASK_SET; 3480 break; 3481 case NT_LUN_RESET: 3482 inot->arg = MSG_LOGICAL_UNIT_RESET; 3483 break; 3484 case NT_TARGET_RESET: 3485 inot->arg = MSG_TARGET_RESET; 3486 break; 3487 case NT_QUERY_TASK_SET: 3488 inot->arg = MSG_QUERY_TASK_SET; 3489 break; 3490 case NT_QUERY_ASYNC_EVENT: 3491 inot->arg = MSG_QUERY_ASYNC_EVENT; 3492 break; 3493 default: 3494 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); 3495 goto bad; 3496 } 3497 3498 ntp = isp_get_ntpd(isp, tptr); 3499 if (ntp == NULL) { 3500 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 3501 goto bad; 3502 } 3503 ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t)); 3504 if (notify->nt_lreserved) { 3505 ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN); 3506 ntp->rd.nt.nt_lreserved = &ntp->rd.data; 3507 } 3508 ntp->rd.seq_id = notify->nt_tagval; 3509 ntp->rd.tag_id = notify->nt_tagval >> 32; 3510 3511 tptr->inot_count--; 3512 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 3513 rls_lun_statep(isp, tptr); 3514 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count); 3515 inot->ccb_h.status = CAM_MESSAGE_RECV; 3516 xpt_done((union ccb *)inot); 3517 return; 3518 bad: 3519 if (tptr) { 3520 rls_lun_statep(isp, tptr); 3521 } 3522 if (notify->nt_need_ack && notify->nt_lreserved) { 3523 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 3524 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 3525 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 3526 } 3527 } else { 3528 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 3529 } 3530 } 3531 } 3532 3533 /* 3534 * Find the associated private data and mark it as dead so 3535 * we don't try to work on it any further. 3536 */ 3537 static void 3538 isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb) 3539 { 3540 tstate_t *tptr; 3541 atio_private_data_t *atp; 3542 union ccb *accb = ccb->cab.abort_ccb; 3543 3544 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 3545 if (tptr == NULL) { 3546 tptr = get_lun_statep(isp, XS_CHANNEL(accb), CAM_LUN_WILDCARD); 3547 if (tptr == NULL) { 3548 ccb->ccb_h.status = CAM_REQ_INVALID; 3549 return; 3550 } 3551 } 3552 3553 atp = isp_find_atpd(isp, tptr, accb->atio.tag_id); 3554 if (atp == NULL) { 3555 ccb->ccb_h.status = CAM_REQ_INVALID; 3556 } else { 3557 atp->dead = 1; 3558 ccb->ccb_h.status = CAM_REQ_CMP; 3559 } 3560 rls_lun_statep(isp, tptr); 3561 } 3562 3563 static void 3564 isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id) 3565 { 3566 atio_private_data_t *atp; 3567 inot_private_data_t *restart_queue = tptr->restart_queue; 3568 3569 /* 3570 * First, clean any commands pending restart 3571 */ 3572 tptr->restart_queue = NULL; 3573 while (restart_queue) { 3574 uint32_t this_tag_id; 3575 inot_private_data_t *ntp = restart_queue; 3576 3577 restart_queue = ntp->rd.nt.nt_hba; 3578 3579 if (IS_24XX(isp)) { 3580 this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid; 3581 } else { 3582 this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid; 3583 } 3584 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 3585 isp_put_ntpd(isp, tptr, ntp); 3586 } else { 3587 ntp->rd.nt.nt_hba = tptr->restart_queue; 3588 tptr->restart_queue = ntp; 3589 } 3590 } 3591 3592 /* 3593 * Now mark other ones dead as well. 3594 */ 3595 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) { 3596 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) { 3597 atp->dead = 1; 3598 } 3599 } 3600 } 3601 3602 3603 #ifdef ISP_INTERNAL_TARGET 3604 //#define ISP_SEPARATE_STATUS 1 3605 #define ISP_MULTI_CCBS 1 3606 #if defined(ISP_MULTI_CCBS) && !defined(ISP_SEPARATE_STATUS) 3607 #define ISP_SEPARATE_STATUS 1 3608 #endif 3609 3610 typedef struct periph_private_data_t { 3611 union ccb *ccb; /* original ATIO or Immediate Notify */ 3612 unsigned long offset; /* current offset */ 3613 int sequence; /* current CTIO sequence */ 3614 int ctio_cnt; /* current # of ctio's outstanding */ 3615 int 3616 status_sent : 1, 3617 on_queue : 1; /* on restart queue */ 3618 } ppd_t; 3619 /* 3620 * Each ATIO we allocate will have periph private data associated with it 3621 * that maintains per-command state. This private to each ATIO. 3622 */ 3623 #define ATIO_PPD(ccb) ((ppd_t *)(((struct ccb_hdr *)ccb)->ppriv_ptr0)) 3624 /* 3625 * Each CTIO we send downstream will get a pointer to the ATIO itself 3626 * so that on completion we can retrieve that pointer. 3627 */ 3628 #define ccb_atio ppriv_ptr1 3629 #define ccb_inot ppriv_ptr1 3630 3631 /* 3632 * Each CTIO we send downstream will contain a sequence number 3633 */ 3634 #define CTIO_SEQ(ccb) ccb->ccb_h.ppriv_field0 3635 3636 #define MAX_ISP_TARG_TRANSFER (2 << 20) 3637 #define NISP_TARG_CMDS 64 3638 #define NISP_TARG_NOTIFIES 64 3639 #define DISK_SHIFT 9 3640 #define JUNK_SIZE 256 3641 #define MULTI_CCB_DATA_LIM 8192 3642 //#define MULTI_CCB_DATA_CNT 64 3643 #define MULTI_CCB_DATA_CNT 8 3644 3645 extern u_int vm_kmem_size; 3646 static int ca; 3647 static uint32_t disk_size; 3648 static uint8_t *disk_data = NULL; 3649 static uint8_t *junk_data; 3650 static MALLOC_DEFINE(M_ISPTARG, "ISPTARG", "ISP TARGET data"); 3651 struct isptarg_softc { 3652 /* CCBs (CTIOs, ATIOs, INOTs) pending on the controller */ 3653 struct isp_ccbq work_queue; 3654 struct isp_ccbq rework_queue; 3655 struct isp_ccbq running_queue; 3656 struct isp_ccbq inot_queue; 3657 struct cam_periph *periph; 3658 struct cam_path *path; 3659 ispsoftc_t *isp; 3660 }; 3661 static periph_ctor_t isptargctor; 3662 static periph_dtor_t isptargdtor; 3663 static periph_start_t isptargstart; 3664 static periph_init_t isptarginit; 3665 static void isptarg_done(struct cam_periph *, union ccb *); 3666 static void isptargasync(void *, u_int32_t, struct cam_path *, void *); 3667 3668 3669 static int isptarg_rwparm(uint8_t *, uint8_t *, uint64_t, uint32_t, uint8_t **, uint32_t *, int *); 3670 3671 static struct periph_driver isptargdriver = 3672 { 3673 isptarginit, "isptarg", TAILQ_HEAD_INITIALIZER(isptargdriver.units), 0 3674 }; 3675 3676 static void 3677 isptarginit(void) 3678 { 3679 } 3680 3681 static void 3682 isptargnotify(ispsoftc_t *isp, union ccb *iccb, struct ccb_immediate_notify *inot) 3683 { 3684 struct ccb_notify_acknowledge *ack = &iccb->cna2; 3685 3686 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__, 3687 inot->tag_id, inot->initiator_id, inot->seq_id, inot->ccb_h.status, inot->arg); 3688 ack->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 3689 ack->ccb_h.flags = 0; 3690 ack->ccb_h.retry_count = 0; 3691 ack->ccb_h.cbfcnp = isptarg_done; 3692 ack->ccb_h.timeout = 0; 3693 ack->ccb_h.ccb_inot = inot; 3694 ack->tag_id = inot->tag_id; 3695 ack->seq_id = inot->seq_id; 3696 ack->initiator_id = inot->initiator_id; 3697 xpt_action(iccb); 3698 } 3699 3700 static void 3701 isptargstart(struct cam_periph *periph, union ccb *iccb) 3702 { 3703 const uint8_t niliqd[SHORT_INQUIRY_LENGTH] = { 3704 0x7f, 0x0, 0x5, 0x2, 32, 0, 0, 0x32, 3705 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 3706 'S', 'C', 'S', 'I', ' ', 'N', 'U', 'L', 3707 'L', ' ', 'D', 'E', 'V', 'I', 'C', 'E', 3708 '0', '0', '0', '1' 3709 }; 3710 const uint8_t iqd[SHORT_INQUIRY_LENGTH] = { 3711 0, 0x0, 0x5, 0x2, 32, 0, 0, 0x32, 3712 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 3713 'S', 'C', 'S', 'I', ' ', 'M', 'E', 'M', 3714 'O', 'R', 'Y', ' ', 'D', 'I', 'S', 'K', 3715 '0', '0', '0', '1' 3716 }; 3717 int r, i, more = 0, last, is_data_cmd = 0, is_write; 3718 char *queue; 3719 struct isptarg_softc *softc = periph->softc; 3720 struct ccb_scsiio *csio; 3721 lun_id_t return_lun; 3722 struct ccb_accept_tio *atio; 3723 uint8_t *cdb, *ptr, status; 3724 uint8_t *data_ptr; 3725 uint32_t data_len, flags; 3726 struct ccb_hdr *ccbh; 3727 3728 mtx_assert(periph->sim->mtx, MA_OWNED); 3729 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, 3730 TAILQ_FIRST(&softc->inot_queue)? 'y' : 'n', TAILQ_FIRST(&softc->work_queue)? 'y' : 'n', TAILQ_FIRST(&softc->rework_queue)? 'y' : 'n'); 3731 /* 3732 * Check for immediate notifies first 3733 */ 3734 ccbh = TAILQ_FIRST(&softc->inot_queue); 3735 if (ccbh) { 3736 TAILQ_REMOVE(&softc->inot_queue, ccbh, periph_links.tqe); 3737 if (TAILQ_FIRST(&softc->inot_queue) || TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue)) { 3738 xpt_schedule(periph, 1); 3739 } 3740 isptargnotify(softc->isp, iccb, (struct ccb_immediate_notify *)ccbh); 3741 return; 3742 } 3743 3744 /* 3745 * Check the rework (continuation) work queue first. 3746 */ 3747 ccbh = TAILQ_FIRST(&softc->rework_queue); 3748 if (ccbh) { 3749 atio = (struct ccb_accept_tio *)ccbh; 3750 TAILQ_REMOVE(&softc->rework_queue, ccbh, periph_links.tqe); 3751 more = TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue); 3752 queue = "rework"; 3753 } else { 3754 ccbh = TAILQ_FIRST(&softc->work_queue); 3755 if (ccbh == NULL) { 3756 xpt_release_ccb(iccb); 3757 return; 3758 } 3759 atio = (struct ccb_accept_tio *)ccbh; 3760 TAILQ_REMOVE(&softc->work_queue, ccbh, periph_links.tqe); 3761 more = TAILQ_FIRST(&softc->work_queue) != NULL; 3762 queue = "work"; 3763 } 3764 ATIO_PPD(atio)->on_queue = 0; 3765 3766 if (atio->tag_id == 0xffffffff || atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) { 3767 panic("BAD ATIO"); 3768 } 3769 3770 data_len = is_write = 0; 3771 data_ptr = NULL; 3772 csio = &iccb->csio; 3773 status = SCSI_STATUS_OK; 3774 flags = CAM_SEND_STATUS; 3775 memset(&atio->sense_data, 0, sizeof (atio->sense_data)); 3776 cdb = atio->cdb_io.cdb_bytes; 3777 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, 3778 queue, atio->init_id, cdb[0], ATIO_PPD(atio)->offset); 3779 3780 return_lun = XS_LUN(atio); 3781 if (return_lun != 0) { 3782 xpt_print(atio->ccb_h.path, "[0x%x] Non-Zero Lun %d: cdb0=0x%x\n", atio->tag_id, return_lun, cdb[0]); 3783 if (cdb[0] != INQUIRY && cdb[0] != REPORT_LUNS && cdb[0] != REQUEST_SENSE) { 3784 status = SCSI_STATUS_CHECK_COND; 3785 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3786 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3787 SDFIXED(atio->sense_data)->add_sense_code = 0x25; /* LOGICAL UNIT NOT SUPPORTED */ 3788 atio->sense_len = SSD_MIN_SIZE; 3789 } 3790 return_lun = CAM_LUN_WILDCARD; 3791 } 3792 3793 switch (cdb[0]) { 3794 case REQUEST_SENSE: 3795 flags |= CAM_DIR_IN; 3796 data_len = sizeof (atio->sense_data); 3797 junk_data[0] = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_NO_SENSE; 3798 memset(junk_data+1, 0, data_len-1); 3799 if (data_len > cdb[4]) { 3800 data_len = cdb[4]; 3801 } 3802 if (data_len) { 3803 data_ptr = junk_data; 3804 } 3805 break; 3806 case WRITE_6: 3807 case WRITE_10: 3808 case WRITE_12: 3809 case WRITE_16: 3810 is_write = 1; 3811 /* FALLTHROUGH */ 3812 case READ_6: 3813 case READ_10: 3814 case READ_12: 3815 case READ_16: 3816 is_data_cmd = 1; 3817 r = isptarg_rwparm(cdb, disk_data, disk_size, ATIO_PPD(atio)->offset, &data_ptr, &data_len, &last); 3818 if (r != 0) { 3819 status = SCSI_STATUS_CHECK_COND; 3820 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3821 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3822 if (r == -1) { 3823 SDFIXED(atio->sense_data)->add_sense_code = 0x21; /* LOGICAL BLOCK ADDRESS OUT OF RANGE */ 3824 } else { 3825 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */ 3826 } 3827 atio->sense_len = SSD_MIN_SIZE; 3828 } else { 3829 #ifdef ISP_SEPARATE_STATUS 3830 if (last && data_len) { 3831 last = 0; 3832 } 3833 #endif 3834 if (last == 0) { 3835 flags &= ~CAM_SEND_STATUS; 3836 } 3837 if (data_len) { 3838 ATIO_PPD(atio)->offset += data_len; 3839 if (is_write) 3840 flags |= CAM_DIR_OUT; 3841 else 3842 flags |= CAM_DIR_IN; 3843 } else { 3844 flags |= CAM_DIR_NONE; 3845 } 3846 } 3847 break; 3848 case INQUIRY: 3849 flags |= CAM_DIR_IN; 3850 if (cdb[1] || cdb[2] || cdb[3]) { 3851 status = SCSI_STATUS_CHECK_COND; 3852 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3853 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION; 3854 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */ 3855 atio->sense_len = SSD_MIN_SIZE; 3856 break; 3857 } 3858 data_len = sizeof (iqd); 3859 if (data_len > cdb[4]) { 3860 data_len = cdb[4]; 3861 } 3862 if (data_len) { 3863 if (XS_LUN(iccb) != 0) { 3864 memcpy(junk_data, niliqd, sizeof (iqd)); 3865 } else { 3866 memcpy(junk_data, iqd, sizeof (iqd)); 3867 } 3868 data_ptr = junk_data; 3869 } 3870 break; 3871 case TEST_UNIT_READY: 3872 flags |= CAM_DIR_NONE; 3873 if (ca) { 3874 ca = 0; 3875 status = SCSI_STATUS_CHECK_COND; 3876 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3877 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION; 3878 SDFIXED(atio->sense_data)->add_sense_code = 0x29; /* POWER ON, RESET, OR BUS DEVICE RESET OCCURRED */ 3879 atio->sense_len = SSD_MIN_SIZE; 3880 } 3881 break; 3882 case SYNCHRONIZE_CACHE: 3883 case START_STOP: 3884 case RESERVE: 3885 case RELEASE: 3886 case VERIFY_10: 3887 flags |= CAM_DIR_NONE; 3888 break; 3889 3890 case READ_CAPACITY: 3891 flags |= CAM_DIR_IN; 3892 if (cdb[2] || cdb[3] || cdb[4] || cdb[5]) { 3893 status = SCSI_STATUS_CHECK_COND; 3894 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3895 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3896 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */ 3897 atio->sense_len = SSD_MIN_SIZE; 3898 break; 3899 } 3900 if (cdb[8] & 0x1) { /* PMI */ 3901 junk_data[0] = 0xff; 3902 junk_data[1] = 0xff; 3903 junk_data[2] = 0xff; 3904 junk_data[3] = 0xff; 3905 } else { 3906 uint64_t last_blk = (disk_size >> DISK_SHIFT) - 1; 3907 if (last_blk < 0xffffffffULL) { 3908 junk_data[0] = (last_blk >> 24) & 0xff; 3909 junk_data[1] = (last_blk >> 16) & 0xff; 3910 junk_data[2] = (last_blk >> 8) & 0xff; 3911 junk_data[3] = (last_blk) & 0xff; 3912 } else { 3913 junk_data[0] = 0xff; 3914 junk_data[1] = 0xff; 3915 junk_data[2] = 0xff; 3916 junk_data[3] = 0xff; 3917 } 3918 } 3919 junk_data[4] = ((1 << DISK_SHIFT) >> 24) & 0xff; 3920 junk_data[5] = ((1 << DISK_SHIFT) >> 16) & 0xff; 3921 junk_data[6] = ((1 << DISK_SHIFT) >> 8) & 0xff; 3922 junk_data[7] = ((1 << DISK_SHIFT)) & 0xff; 3923 data_ptr = junk_data; 3924 data_len = 8; 3925 break; 3926 case REPORT_LUNS: 3927 flags |= CAM_DIR_IN; 3928 memset(junk_data, 0, JUNK_SIZE); 3929 junk_data[0] = (1 << 3) >> 24; 3930 junk_data[1] = (1 << 3) >> 16; 3931 junk_data[2] = (1 << 3) >> 8; 3932 junk_data[3] = (1 << 3); 3933 ptr = NULL; 3934 for (i = 0; i < 1; i++) { 3935 ptr = &junk_data[8 + (i << 3)]; 3936 if (i >= 256) { 3937 ptr[0] = 0x40 | ((i >> 8) & 0x3f); 3938 } 3939 ptr[1] = i; 3940 } 3941 data_ptr = junk_data; 3942 data_len = (ptr + 8) - junk_data; 3943 break; 3944 3945 default: 3946 flags |= CAM_DIR_NONE; 3947 status = SCSI_STATUS_CHECK_COND; 3948 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3949 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3950 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */ 3951 atio->sense_len = SSD_MIN_SIZE; 3952 break; 3953 } 3954 3955 /* 3956 * If we are done with the transaction, tell the 3957 * controller to send status and perform a CMD_CMPLT. 3958 * If we have associated sense data, see if we can 3959 * send that too. 3960 */ 3961 if (status == SCSI_STATUS_CHECK_COND) { 3962 flags |= CAM_SEND_SENSE; 3963 csio->sense_len = atio->sense_len; 3964 csio->sense_data = atio->sense_data; 3965 flags &= ~CAM_DIR_MASK; 3966 data_len = 0; 3967 data_ptr = NULL; 3968 } 3969 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); 3970 iccb->ccb_h.target_id = atio->ccb_h.target_id; 3971 iccb->ccb_h.target_lun = return_lun; 3972 iccb->ccb_h.ccb_atio = atio; 3973 CTIO_SEQ(iccb) = ATIO_PPD(atio)->sequence++; 3974 ATIO_PPD(atio)->ctio_cnt++; 3975 if (flags & CAM_SEND_STATUS) { 3976 KASSERT((ATIO_PPD(atio)->status_sent == 0), ("we have already sent status for 0x%x in %s", atio->tag_id, __func__)); 3977 ATIO_PPD(atio)->status_sent = 1; 3978 } 3979 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); 3980 xpt_action(iccb); 3981 3982 if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3983 cam_release_devq(periph->path, 0, 0, 0, 0); 3984 atio->ccb_h.status &= ~CAM_DEV_QFRZN; 3985 } 3986 #ifdef ISP_MULTI_CCBS 3987 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) { 3988 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: more still to do for 0x%x\n", __func__, atio->tag_id); 3989 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 3990 ATIO_PPD(atio)->on_queue = 1; 3991 more = 1; 3992 } 3993 #endif 3994 if (more) { 3995 xpt_schedule(periph, 1); 3996 } 3997 } 3998 3999 static cam_status 4000 isptargctor(struct cam_periph *periph, void *arg) 4001 { 4002 struct isptarg_softc *softc; 4003 4004 softc = (struct isptarg_softc *)arg; 4005 periph->softc = softc; 4006 softc->periph = periph; 4007 softc->path = periph->path; 4008 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__); 4009 return (CAM_REQ_CMP); 4010 } 4011 4012 static void 4013 isptargdtor(struct cam_periph *periph) 4014 { 4015 struct isptarg_softc *softc; 4016 softc = (struct isptarg_softc *)periph->softc; 4017 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__); 4018 softc->periph = NULL; 4019 softc->path = NULL; 4020 periph->softc = NULL; 4021 } 4022 4023 static void 4024 isptarg_done(struct cam_periph *periph, union ccb *ccb) 4025 { 4026 struct isptarg_softc *softc; 4027 ispsoftc_t *isp; 4028 uint32_t newoff; 4029 struct ccb_accept_tio *atio; 4030 struct ccb_immediate_notify *inot; 4031 cam_status status; 4032 4033 softc = (struct isptarg_softc *)periph->softc; 4034 isp = softc->isp; 4035 status = ccb->ccb_h.status & CAM_STATUS_MASK; 4036 4037 switch (ccb->ccb_h.func_code) { 4038 case XPT_ACCEPT_TARGET_IO: 4039 atio = (struct ccb_accept_tio *) ccb; 4040 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] ATIO seen in %s\n", atio->tag_id, __func__); 4041 memset(ATIO_PPD(atio), 0, sizeof (ppd_t)); 4042 TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, periph_links.tqe); 4043 ATIO_PPD(atio)->on_queue = 1; 4044 xpt_schedule(periph, 1); 4045 break; 4046 case XPT_IMMEDIATE_NOTIFY: 4047 inot = (struct ccb_immediate_notify *) ccb; 4048 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__); 4049 TAILQ_INSERT_TAIL(&softc->inot_queue, &ccb->ccb_h, periph_links.tqe); 4050 xpt_schedule(periph, 1); 4051 break; 4052 case XPT_CONT_TARGET_IO: 4053 atio = ccb->ccb_h.ccb_atio; 4054 KASSERT((ATIO_PPD(atio)->ctio_cnt != 0), ("ctio zero when finishing a CTIO")); 4055 ATIO_PPD(atio)->ctio_cnt--; 4056 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 4057 switch (ccb->ccb_h.status & CAM_STATUS_MASK) { 4058 case CAM_MESSAGE_RECV: 4059 newoff = (ccb->csio.msg_ptr[3] << 24) | (ccb->csio.msg_ptr[4] << 16) | (ccb->csio.msg_ptr[5] << 8) | (ccb->csio.msg_ptr[6]); 4060 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)); 4061 ATIO_PPD(atio)->offset = newoff; 4062 ATIO_PPD(atio)->status_sent = 0; 4063 if (ATIO_PPD(atio)->on_queue == 0) { 4064 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 4065 ATIO_PPD(atio)->on_queue = 1; 4066 } 4067 xpt_schedule(periph, 1); 4068 break; 4069 default: 4070 cam_error_print(ccb, CAM_ESF_ALL, CAM_EPF_ALL); 4071 xpt_action((union ccb *)atio); 4072 break; 4073 } 4074 } else if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4075 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__); 4076 if (ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->on_queue == 0) { 4077 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 4078 ATIO_PPD(atio)->on_queue = 1; 4079 } 4080 xpt_schedule(periph, 1); 4081 } else { 4082 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)); 4083 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__); 4084 xpt_action((union ccb *)atio); 4085 } 4086 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 4087 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0); 4088 ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 4089 } 4090 xpt_release_ccb(ccb); 4091 break; 4092 case XPT_NOTIFY_ACKNOWLEDGE: 4093 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 4094 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0); 4095 ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 4096 } 4097 inot = ccb->ccb_h.ccb_inot; 4098 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); 4099 xpt_release_ccb(ccb); 4100 xpt_action((union ccb *)inot); 4101 break; 4102 default: 4103 xpt_print(ccb->ccb_h.path, "unexpected code 0x%x\n", ccb->ccb_h.func_code); 4104 break; 4105 } 4106 } 4107 4108 static void 4109 isptargasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) 4110 { 4111 struct ac_contract *acp = arg; 4112 struct ac_device_changed *fc = (struct ac_device_changed *) acp->contract_data; 4113 4114 if (code != AC_CONTRACT) { 4115 return; 4116 } 4117 xpt_print(path, "0x%016llx Port ID 0x%06x %s\n", (unsigned long long) fc->wwpn, fc->port, fc->arrived? "arrived" : "departed"); 4118 } 4119 4120 static void 4121 isp_target_thread(ispsoftc_t *isp, int chan) 4122 { 4123 union ccb *ccb = NULL; 4124 int i; 4125 void *wchan; 4126 cam_status status; 4127 struct isptarg_softc *softc = NULL; 4128 struct cam_periph *periph = NULL, *wperiph = NULL; 4129 struct cam_path *path, *wpath; 4130 struct cam_sim *sim; 4131 4132 if (disk_data == NULL) { 4133 disk_size = roundup2(vm_kmem_size >> 1, (1ULL << 20)); 4134 if (disk_size < (50 << 20)) { 4135 disk_size = 50 << 20; 4136 } 4137 disk_data = malloc(disk_size, M_ISPTARG, M_WAITOK | M_ZERO); 4138 if (disk_data == NULL) { 4139 isp_prt(isp, ISP_LOGERR, "%s: could not allocate disk data", __func__); 4140 goto out; 4141 } 4142 isp_prt(isp, ISP_LOGINFO, "allocated a %ju MiB disk", (uintmax_t) (disk_size >> 20)); 4143 } 4144 junk_data = malloc(JUNK_SIZE, M_ISPTARG, M_WAITOK | M_ZERO); 4145 if (junk_data == NULL) { 4146 isp_prt(isp, ISP_LOGERR, "%s: could not allocate junk", __func__); 4147 goto out; 4148 } 4149 4150 4151 softc = malloc(sizeof (*softc), M_ISPTARG, M_WAITOK | M_ZERO); 4152 if (softc == NULL) { 4153 isp_prt(isp, ISP_LOGERR, "%s: could not allocate softc", __func__); 4154 goto out; 4155 } 4156 TAILQ_INIT(&softc->work_queue); 4157 TAILQ_INIT(&softc->rework_queue); 4158 TAILQ_INIT(&softc->running_queue); 4159 TAILQ_INIT(&softc->inot_queue); 4160 softc->isp = isp; 4161 4162 periphdriver_register(&isptargdriver); 4163 ISP_GET_PC(isp, chan, sim, sim); 4164 ISP_GET_PC(isp, chan, path, path); 4165 status = xpt_create_path(&wpath, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 4166 if (status != CAM_REQ_CMP) { 4167 isp_prt(isp, ISP_LOGERR, "%s: could not allocate wildcard path", __func__); 4168 return; 4169 } 4170 status = xpt_create_path(&path, NULL, cam_sim_path(sim), 0, 0); 4171 if (status != CAM_REQ_CMP) { 4172 xpt_free_path(wpath); 4173 isp_prt(isp, ISP_LOGERR, "%s: could not allocate path", __func__); 4174 return; 4175 } 4176 4177 ISP_LOCK(isp); 4178 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, wpath, NULL, 0, softc); 4179 if (status != CAM_REQ_CMP) { 4180 ISP_UNLOCK(isp); 4181 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc for wildcard failed", __func__); 4182 goto out; 4183 } 4184 wperiph = cam_periph_find(wpath, "isptarg"); 4185 if (wperiph == NULL) { 4186 ISP_UNLOCK(isp); 4187 isp_prt(isp, ISP_LOGERR, "%s: wildcard periph already allocated but doesn't exist", __func__); 4188 goto out; 4189 } 4190 4191 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, path, NULL, 0, softc); 4192 if (status != CAM_REQ_CMP) { 4193 ISP_UNLOCK(isp); 4194 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc failed", __func__); 4195 goto out; 4196 } 4197 4198 periph = cam_periph_find(path, "isptarg"); 4199 if (periph == NULL) { 4200 ISP_UNLOCK(isp); 4201 isp_prt(isp, ISP_LOGERR, "%s: periph already allocated but doesn't exist", __func__); 4202 goto out; 4203 } 4204 4205 status = xpt_register_async(AC_CONTRACT, isptargasync, isp, wpath); 4206 if (status != CAM_REQ_CMP) { 4207 ISP_UNLOCK(isp); 4208 isp_prt(isp, ISP_LOGERR, "%s: xpt_register_async failed", __func__); 4209 goto out; 4210 } 4211 4212 ISP_UNLOCK(isp); 4213 4214 ccb = xpt_alloc_ccb(); 4215 4216 /* 4217 * Make sure role is none. 4218 */ 4219 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4220 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 4221 ccb->knob.xport_specific.fc.role = KNOB_ROLE_NONE; 4222 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE; 4223 4224 ISP_LOCK(isp); 4225 xpt_action(ccb); 4226 ISP_UNLOCK(isp); 4227 4228 /* 4229 * Now enable luns 4230 */ 4231 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4232 ccb->ccb_h.func_code = XPT_EN_LUN; 4233 ccb->cel.enable = 1; 4234 ISP_LOCK(isp); 4235 xpt_action(ccb); 4236 ISP_UNLOCK(isp); 4237 if (ccb->ccb_h.status != CAM_REQ_CMP) { 4238 xpt_free_ccb(ccb); 4239 xpt_print(periph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status); 4240 goto out; 4241 } 4242 4243 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 10); 4244 ccb->ccb_h.func_code = XPT_EN_LUN; 4245 ccb->cel.enable = 1; 4246 ISP_LOCK(isp); 4247 xpt_action(ccb); 4248 ISP_UNLOCK(isp); 4249 if (ccb->ccb_h.status != CAM_REQ_CMP) { 4250 xpt_free_ccb(ccb); 4251 xpt_print(wperiph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status); 4252 goto out; 4253 } 4254 xpt_free_ccb(ccb); 4255 4256 /* 4257 * Add resources 4258 */ 4259 ISP_GET_PC(isp, chan, target_proc, wchan); 4260 for (i = 0; i < 4; i++) { 4261 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4262 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1); 4263 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 4264 ccb->ccb_h.cbfcnp = isptarg_done; 4265 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO); 4266 ISP_LOCK(isp); 4267 xpt_action(ccb); 4268 ISP_UNLOCK(isp); 4269 } 4270 for (i = 0; i < NISP_TARG_CMDS; i++) { 4271 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4272 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1); 4273 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 4274 ccb->ccb_h.cbfcnp = isptarg_done; 4275 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO); 4276 ISP_LOCK(isp); 4277 xpt_action(ccb); 4278 ISP_UNLOCK(isp); 4279 } 4280 for (i = 0; i < 4; i++) { 4281 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4282 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1); 4283 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 4284 ccb->ccb_h.cbfcnp = isptarg_done; 4285 ISP_LOCK(isp); 4286 xpt_action(ccb); 4287 ISP_UNLOCK(isp); 4288 } 4289 for (i = 0; i < NISP_TARG_NOTIFIES; i++) { 4290 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4291 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1); 4292 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 4293 ccb->ccb_h.cbfcnp = isptarg_done; 4294 ISP_LOCK(isp); 4295 xpt_action(ccb); 4296 ISP_UNLOCK(isp); 4297 } 4298 4299 /* 4300 * Now turn it all back on 4301 */ 4302 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4303 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 4304 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE; 4305 ccb->knob.xport_specific.fc.role = KNOB_ROLE_TARGET; 4306 ISP_LOCK(isp); 4307 xpt_action(ccb); 4308 ISP_UNLOCK(isp); 4309 4310 /* 4311 * Okay, while things are still active, sleep... 4312 */ 4313 ISP_LOCK(isp); 4314 for (;;) { 4315 ISP_GET_PC(isp, chan, proc_active, i); 4316 if (i == 0) { 4317 break; 4318 } 4319 msleep(wchan, &isp->isp_lock, PUSER, "tsnooze", 0); 4320 } 4321 ISP_UNLOCK(isp); 4322 4323 out: 4324 if (wperiph) { 4325 cam_periph_invalidate(wperiph); 4326 } 4327 if (periph) { 4328 cam_periph_invalidate(periph); 4329 } 4330 if (junk_data) { 4331 free(junk_data, M_ISPTARG); 4332 } 4333 if (disk_data) { 4334 free(disk_data, M_ISPTARG); 4335 } 4336 if (softc) { 4337 free(softc, M_ISPTARG); 4338 } 4339 xpt_free_path(path); 4340 xpt_free_path(wpath); 4341 } 4342 4343 static void 4344 isp_target_thread_pi(void *arg) 4345 { 4346 struct isp_spi *pi = arg; 4347 ispsoftc_t *isp = cam_sim_softc(pi->sim); 4348 int chan = cam_sim_bus(pi->sim); 4349 4350 isp_target_thread(isp, chan); 4351 ISP_SPI_PC(isp, chan)->num_threads -= 1; 4352 kthread_exit(); 4353 } 4354 4355 static void 4356 isp_target_thread_fc(void *arg) 4357 { 4358 struct isp_fc *fc = arg; 4359 ispsoftc_t *isp = cam_sim_softc(pi->sim); 4360 int chan = cam_sim_bus(pi->sim); 4361 4362 isp_target_thread(isp, chan); 4363 ISP_FC_PC(isp, chan)->num_threads -= 1; 4364 kthread_exit(); 4365 } 4366 4367 static int 4368 isptarg_rwparm(uint8_t *cdb, uint8_t *dp, uint64_t dl, uint32_t offset, uint8_t **kp, uint32_t *tl, int *lp) 4369 { 4370 uint32_t cnt, curcnt; 4371 uint64_t lba; 4372 4373 switch (cdb[0]) { 4374 case WRITE_16: 4375 case READ_16: 4376 cnt = (((uint32_t)cdb[10]) << 24) | 4377 (((uint32_t)cdb[11]) << 16) | 4378 (((uint32_t)cdb[12]) << 8) | 4379 ((uint32_t)cdb[13]); 4380 4381 lba = (((uint64_t)cdb[2]) << 56) | 4382 (((uint64_t)cdb[3]) << 48) | 4383 (((uint64_t)cdb[4]) << 40) | 4384 (((uint64_t)cdb[5]) << 32) | 4385 (((uint64_t)cdb[6]) << 24) | 4386 (((uint64_t)cdb[7]) << 16) | 4387 (((uint64_t)cdb[8]) << 8) | 4388 ((uint64_t)cdb[9]); 4389 break; 4390 case WRITE_12: 4391 case READ_12: 4392 cnt = (((uint32_t)cdb[6]) << 16) | 4393 (((uint32_t)cdb[7]) << 8) | 4394 ((u_int32_t)cdb[8]); 4395 4396 lba = (((uint32_t)cdb[2]) << 24) | 4397 (((uint32_t)cdb[3]) << 16) | 4398 (((uint32_t)cdb[4]) << 8) | 4399 ((uint32_t)cdb[5]); 4400 break; 4401 case WRITE_10: 4402 case READ_10: 4403 cnt = (((uint32_t)cdb[7]) << 8) | 4404 ((u_int32_t)cdb[8]); 4405 4406 lba = (((uint32_t)cdb[2]) << 24) | 4407 (((uint32_t)cdb[3]) << 16) | 4408 (((uint32_t)cdb[4]) << 8) | 4409 ((uint32_t)cdb[5]); 4410 break; 4411 case WRITE_6: 4412 case READ_6: 4413 cnt = cdb[4]; 4414 if (cnt == 0) { 4415 cnt = 256; 4416 } 4417 lba = (((uint32_t)cdb[1] & 0x1f) << 16) | 4418 (((uint32_t)cdb[2]) << 8) | 4419 ((uint32_t)cdb[3]); 4420 break; 4421 default: 4422 return (-1); 4423 } 4424 4425 cnt <<= DISK_SHIFT; 4426 lba <<= DISK_SHIFT; 4427 4428 if (offset == cnt) { 4429 *lp = 1; 4430 return (0); 4431 } 4432 4433 if (lba + cnt > dl) { 4434 return (-2); 4435 } 4436 4437 curcnt = MAX_ISP_TARG_TRANSFER; 4438 if (offset + curcnt >= cnt) { 4439 curcnt = cnt - offset; 4440 *lp = 1; 4441 } else { 4442 *lp = 0; 4443 } 4444 #ifdef ISP_MULTI_CCBS 4445 if (curcnt > MULTI_CCB_DATA_LIM) 4446 curcnt = MULTI_CCB_DATA_LIM; 4447 #endif 4448 *tl = curcnt; 4449 *kp = &dp[lba + offset]; 4450 return (0); 4451 } 4452 4453 #endif 4454 #endif 4455 4456 static void 4457 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 4458 { 4459 struct cam_sim *sim; 4460 int bus, tgt; 4461 ispsoftc_t *isp; 4462 4463 sim = (struct cam_sim *)cbarg; 4464 isp = (ispsoftc_t *) cam_sim_softc(sim); 4465 bus = cam_sim_bus(sim); 4466 tgt = xpt_path_target_id(path); 4467 4468 switch (code) { 4469 case AC_LOST_DEVICE: 4470 if (IS_SCSI(isp)) { 4471 uint16_t oflags, nflags; 4472 sdparam *sdp = SDPARAM(isp, bus); 4473 4474 if (tgt >= 0) { 4475 nflags = sdp->isp_devparam[tgt].nvrm_flags; 4476 #ifndef ISP_TARGET_MODE 4477 nflags &= DPARM_SAFE_DFLT; 4478 if (isp->isp_loaded_fw) { 4479 nflags |= DPARM_NARROW | DPARM_ASYNC; 4480 } 4481 #else 4482 nflags = DPARM_DEFAULT; 4483 #endif 4484 oflags = sdp->isp_devparam[tgt].goal_flags; 4485 sdp->isp_devparam[tgt].goal_flags = nflags; 4486 sdp->isp_devparam[tgt].dev_update = 1; 4487 sdp->update = 1; 4488 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 4489 sdp->isp_devparam[tgt].goal_flags = oflags; 4490 } 4491 } 4492 break; 4493 default: 4494 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 4495 break; 4496 } 4497 } 4498 4499 static void 4500 isp_poll(struct cam_sim *sim) 4501 { 4502 ispsoftc_t *isp = cam_sim_softc(sim); 4503 uint16_t isr, sema, info; 4504 4505 if (ISP_READ_ISR(isp, &isr, &sema, &info)) 4506 isp_intr(isp, isr, sema, info); 4507 } 4508 4509 4510 static void 4511 isp_watchdog(void *arg) 4512 { 4513 struct ccb_scsiio *xs = arg; 4514 ispsoftc_t *isp; 4515 uint32_t ohandle = ISP_HANDLE_FREE, handle; 4516 4517 isp = XS_ISP(xs); 4518 4519 handle = isp_find_handle(isp, xs); 4520 4521 /* 4522 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 4523 */ 4524 if (handle != ISP_HANDLE_FREE) { 4525 uint16_t isr, sema, info; 4526 if (ISP_READ_ISR(isp, &isr, &sema, &info) != 0) 4527 isp_intr(isp, isr, sema, info); 4528 ohandle = handle; 4529 handle = isp_find_handle(isp, xs); 4530 } 4531 if (handle != ISP_HANDLE_FREE) { 4532 /* 4533 * Try and make sure the command is really dead before 4534 * we release the handle (and DMA resources) for reuse. 4535 * 4536 * If we are successful in aborting the command then 4537 * we're done here because we'll get the command returned 4538 * back separately. 4539 */ 4540 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 4541 return; 4542 } 4543 4544 /* 4545 * Note that after calling the above, the command may in 4546 * fact have been completed. 4547 */ 4548 xs = isp_find_xs(isp, handle); 4549 4550 /* 4551 * If the command no longer exists, then we won't 4552 * be able to find the xs again with this handle. 4553 */ 4554 if (xs == NULL) { 4555 return; 4556 } 4557 4558 /* 4559 * After this point, the command is really dead. 4560 */ 4561 if (XS_XFRLEN(xs)) { 4562 ISP_DMAFREE(isp, xs, handle); 4563 } 4564 isp_destroy_handle(isp, handle); 4565 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 4566 xs->ccb_h.status &= ~CAM_STATUS_MASK; 4567 xs->ccb_h.status |= CAM_CMD_TIMEOUT; 4568 isp_prt_endcmd(isp, xs); 4569 isp_done(xs); 4570 } else { 4571 if (ohandle != ISP_HANDLE_FREE) { 4572 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 4573 } else { 4574 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 4575 } 4576 } 4577 } 4578 4579 static void 4580 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 4581 { 4582 union ccb *ccb; 4583 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4584 4585 /* 4586 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 4587 */ 4588 ccb = xpt_alloc_ccb_nowait(); 4589 if (ccb == NULL) { 4590 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 4591 return; 4592 } 4593 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 4594 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 4595 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 4596 xpt_free_ccb(ccb); 4597 return; 4598 } 4599 xpt_rescan(ccb); 4600 } 4601 4602 static void 4603 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 4604 { 4605 struct cam_path *tp; 4606 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4607 4608 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 4609 xpt_async(AC_LOST_DEVICE, tp, NULL); 4610 xpt_free_path(tp); 4611 } 4612 } 4613 4614 /* 4615 * Gone Device Timer Function- when we have decided that a device has gone 4616 * away, we wait a specific period of time prior to telling the OS it has 4617 * gone away. 4618 * 4619 * This timer function fires once a second and then scans the port database 4620 * for devices that are marked dead but still have a virtual target assigned. 4621 * We decrement a counter for that port database entry, and when it hits zero, 4622 * we tell the OS the device has gone away. 4623 */ 4624 static void 4625 isp_gdt(void *arg) 4626 { 4627 struct isp_fc *fc = arg; 4628 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 4629 } 4630 4631 static void 4632 isp_gdt_task(void *arg, int pending) 4633 { 4634 struct isp_fc *fc = arg; 4635 ispsoftc_t *isp = fc->isp; 4636 int chan = fc - isp->isp_osinfo.pc.fc; 4637 fcportdb_t *lp; 4638 struct ac_contract ac; 4639 struct ac_device_changed *adc; 4640 int dbidx, more_to_do = 0; 4641 4642 ISP_LOCK(isp); 4643 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 4644 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 4645 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 4646 4647 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 4648 continue; 4649 } 4650 if (lp->gone_timer != 0) { 4651 lp->gone_timer -= 1; 4652 more_to_do++; 4653 continue; 4654 } 4655 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 4656 if (lp->is_target) { 4657 lp->is_target = 0; 4658 isp_make_gone(isp, lp, chan, dbidx); 4659 } 4660 if (lp->is_initiator) { 4661 lp->is_initiator = 0; 4662 ac.contract_number = AC_CONTRACT_DEV_CHG; 4663 adc = (struct ac_device_changed *) ac.contract_data; 4664 adc->wwpn = lp->port_wwn; 4665 adc->port = lp->portid; 4666 adc->target = dbidx; 4667 adc->arrived = 0; 4668 xpt_async(AC_CONTRACT, fc->path, &ac); 4669 } 4670 lp->state = FC_PORTDB_STATE_NIL; 4671 } 4672 if (fc->ready) { 4673 if (more_to_do) { 4674 callout_reset(&fc->gdt, hz, isp_gdt, fc); 4675 } else { 4676 callout_deactivate(&fc->gdt); 4677 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 4678 } 4679 } 4680 ISP_UNLOCK(isp); 4681 } 4682 4683 /* 4684 * Loop Down Timer Function- when loop goes down, a timer is started and 4685 * and after it expires we come here and take all probational devices that 4686 * the OS knows about and the tell the OS that they've gone away. 4687 * 4688 * We don't clear the devices out of our port database because, when loop 4689 * come back up, we have to do some actual cleanup with the chip at that 4690 * point (implicit PLOGO, e.g., to get the chip's port database state right). 4691 */ 4692 static void 4693 isp_ldt(void *arg) 4694 { 4695 struct isp_fc *fc = arg; 4696 taskqueue_enqueue(taskqueue_thread, &fc->ltask); 4697 } 4698 4699 static void 4700 isp_ldt_task(void *arg, int pending) 4701 { 4702 struct isp_fc *fc = arg; 4703 ispsoftc_t *isp = fc->isp; 4704 int chan = fc - isp->isp_osinfo.pc.fc; 4705 fcportdb_t *lp; 4706 struct ac_contract ac; 4707 struct ac_device_changed *adc; 4708 int dbidx, i; 4709 4710 ISP_LOCK(isp); 4711 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_uptime); 4712 callout_deactivate(&fc->ldt); 4713 4714 /* 4715 * Notify to the OS all targets who we now consider have departed. 4716 */ 4717 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 4718 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 4719 4720 if (lp->state == FC_PORTDB_STATE_NIL) 4721 continue; 4722 4723 /* 4724 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 4725 */ 4726 for (i = 0; i < isp->isp_maxcmds; i++) { 4727 struct ccb_scsiio *xs; 4728 4729 if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) { 4730 continue; 4731 } 4732 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 4733 continue; 4734 } 4735 if (dbidx != XS_TGT(xs)) { 4736 continue; 4737 } 4738 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%d orphaned by loop down timeout", 4739 isp->isp_xflist[i].handle, chan, XS_TGT(xs), XS_LUN(xs)); 4740 } 4741 4742 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 4743 if (lp->is_target) { 4744 lp->is_target = 0; 4745 isp_make_gone(isp, lp, chan, dbidx); 4746 } 4747 if (lp->is_initiator) { 4748 lp->is_initiator = 0; 4749 ac.contract_number = AC_CONTRACT_DEV_CHG; 4750 adc = (struct ac_device_changed *) ac.contract_data; 4751 adc->wwpn = lp->port_wwn; 4752 adc->port = lp->portid; 4753 adc->target = dbidx; 4754 adc->arrived = 0; 4755 xpt_async(AC_CONTRACT, fc->path, &ac); 4756 } 4757 } 4758 4759 isp_unfreeze_loopdown(isp, chan); 4760 /* 4761 * The loop down timer has expired. Wake up the kthread 4762 * to notice that fact (or make it false). 4763 */ 4764 fc->loop_dead = 1; 4765 fc->loop_down_time = fc->loop_down_limit+1; 4766 wakeup(fc); 4767 ISP_UNLOCK(isp); 4768 } 4769 4770 static void 4771 isp_kthread(void *arg) 4772 { 4773 struct isp_fc *fc = arg; 4774 ispsoftc_t *isp = fc->isp; 4775 int chan = fc - isp->isp_osinfo.pc.fc; 4776 int slp = 0; 4777 4778 mtx_lock(&isp->isp_osinfo.lock); 4779 4780 while (isp->isp_osinfo.is_exiting == 0) { 4781 int lb, lim; 4782 4783 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan); 4784 lb = isp_fc_runstate(isp, chan, 250000); 4785 4786 /* 4787 * Our action is different based upon whether we're supporting 4788 * Initiator mode or not. If we are, we might freeze the simq 4789 * when loop is down and set all sorts of different delays to 4790 * check again. 4791 * 4792 * If not, we simply just wait for loop to come up. 4793 */ 4794 if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) { 4795 /* 4796 * Increment loop down time by the last sleep interval 4797 */ 4798 fc->loop_down_time += slp; 4799 4800 if (lb < 0) { 4801 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time); 4802 } else { 4803 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); 4804 } 4805 4806 /* 4807 * If we've never seen loop up and we've waited longer 4808 * than quickboot time, or we've seen loop up but we've 4809 * waited longer than loop_down_limit, give up and go 4810 * to sleep until loop comes up. 4811 */ 4812 if (FCPARAM(isp, chan)->loop_seen_once == 0) { 4813 lim = isp_quickboot_time; 4814 } else { 4815 lim = fc->loop_down_limit; 4816 } 4817 if (fc->loop_down_time >= lim) { 4818 isp_freeze_loopdown(isp, chan, "loop limit hit"); 4819 slp = 0; 4820 } else if (fc->loop_down_time < 10) { 4821 slp = 1; 4822 } else if (fc->loop_down_time < 30) { 4823 slp = 5; 4824 } else if (fc->loop_down_time < 60) { 4825 slp = 10; 4826 } else if (fc->loop_down_time < 120) { 4827 slp = 20; 4828 } else { 4829 slp = 30; 4830 } 4831 4832 } else if (lb) { 4833 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan); 4834 fc->loop_down_time += slp; 4835 if (fc->loop_down_time > 300) 4836 slp = 0; 4837 else 4838 slp = 60; 4839 } else { 4840 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan); 4841 fc->loop_down_time = 0; 4842 slp = 0; 4843 } 4844 4845 4846 /* 4847 * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it 4848 * now so that CAM can start sending us commands. 4849 * 4850 * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again 4851 * or kill the commands, as appropriate. 4852 */ 4853 4854 if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) { 4855 isp_unfreeze_loopdown(isp, chan); 4856 } 4857 4858 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp); 4859 4860 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz); 4861 4862 /* 4863 * If slp is zero, we're waking up for the first time after 4864 * things have been okay. In this case, we set a deferral state 4865 * for all commands and delay hysteresis seconds before starting 4866 * the FC state evaluation. This gives the loop/fabric a chance 4867 * to settle. 4868 */ 4869 if (slp == 0 && fc->hysteresis) { 4870 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz); 4871 mtx_unlock(&isp->isp_osinfo.lock); 4872 pause("ispt", fc->hysteresis * hz); 4873 mtx_lock(&isp->isp_osinfo.lock); 4874 } 4875 } 4876 fc->num_threads -= 1; 4877 mtx_unlock(&isp->isp_osinfo.lock); 4878 kthread_exit(); 4879 } 4880 4881 static void 4882 isp_action(struct cam_sim *sim, union ccb *ccb) 4883 { 4884 int bus, tgt, ts, error, lim; 4885 ispsoftc_t *isp; 4886 struct ccb_trans_settings *cts; 4887 4888 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 4889 4890 isp = (ispsoftc_t *)cam_sim_softc(sim); 4891 mtx_assert(&isp->isp_lock, MA_OWNED); 4892 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 4893 ISP_PCMD(ccb) = NULL; 4894 4895 if (isp->isp_state != ISP_RUNSTATE && ccb->ccb_h.func_code == XPT_SCSI_IO) { 4896 isp_init(isp); 4897 if (isp->isp_state != ISP_INITSTATE) { 4898 /* 4899 * Lie. Say it was a selection timeout. 4900 */ 4901 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 4902 isp_done((struct ccb_scsiio *) ccb); 4903 return; 4904 } 4905 isp->isp_state = ISP_RUNSTATE; 4906 } 4907 4908 switch (ccb->ccb_h.func_code) { 4909 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 4910 bus = XS_CHANNEL(ccb); 4911 /* 4912 * Do a couple of preliminary checks... 4913 */ 4914 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 4915 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 4916 ccb->ccb_h.status = CAM_REQ_INVALID; 4917 isp_done((struct ccb_scsiio *) ccb); 4918 break; 4919 } 4920 } 4921 ccb->csio.req_map = NULL; 4922 #ifdef DIAGNOSTIC 4923 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) { 4924 xpt_print(ccb->ccb_h.path, "invalid target\n"); 4925 ccb->ccb_h.status = CAM_PATH_INVALID; 4926 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) { 4927 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 4928 ccb->ccb_h.status = CAM_PATH_INVALID; 4929 } 4930 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 4931 xpt_done(ccb); 4932 break; 4933 } 4934 #endif 4935 ccb->csio.scsi_status = SCSI_STATUS_OK; 4936 if (isp_get_pcmd(isp, ccb)) { 4937 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 4938 cam_freeze_devq(ccb->ccb_h.path); 4939 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 4940 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4941 xpt_done(ccb); 4942 break; 4943 } 4944 error = isp_start((XS_T *) ccb); 4945 switch (error) { 4946 case CMD_QUEUED: 4947 ccb->ccb_h.status |= CAM_SIM_QUEUED; 4948 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) { 4949 break; 4950 } 4951 ts = ccb->ccb_h.timeout; 4952 if (ts == CAM_TIME_DEFAULT) { 4953 ts = 60*1000; 4954 } 4955 ts = isp_mstohz(ts); 4956 callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb); 4957 break; 4958 case CMD_RQLATER: 4959 /* 4960 * We get this result for FC devices if the loop state isn't ready yet 4961 * or if the device in question has gone zombie on us. 4962 * 4963 * If we've never seen Loop UP at all, we requeue this request and wait 4964 * for the initial loop up delay to expire. 4965 */ 4966 lim = ISP_FC_PC(isp, bus)->loop_down_limit; 4967 if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) { 4968 if (FCPARAM(isp, bus)->loop_seen_once == 0) { 4969 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d loop not seen yet @ %lu", XS_TGT(ccb), XS_LUN(ccb), (unsigned long) time_uptime); 4970 } else { 4971 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); 4972 } 4973 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 4974 isp_done((struct ccb_scsiio *) ccb); 4975 break; 4976 } 4977 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb)); 4978 cam_freeze_devq(ccb->ccb_h.path); 4979 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 4980 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4981 isp_free_pcmd(isp, ccb); 4982 xpt_done(ccb); 4983 break; 4984 case CMD_EAGAIN: 4985 isp_free_pcmd(isp, ccb); 4986 cam_freeze_devq(ccb->ccb_h.path); 4987 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 4988 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4989 xpt_done(ccb); 4990 break; 4991 case CMD_COMPLETE: 4992 isp_done((struct ccb_scsiio *) ccb); 4993 break; 4994 default: 4995 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 4996 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4997 isp_free_pcmd(isp, ccb); 4998 xpt_done(ccb); 4999 } 5000 break; 5001 5002 #ifdef ISP_TARGET_MODE 5003 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 5004 if (ccb->cel.enable) { 5005 isp_enable_lun(isp, ccb); 5006 } else { 5007 isp_disable_lun(isp, ccb); 5008 } 5009 break; 5010 case XPT_IMMED_NOTIFY: 5011 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 5012 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 5013 { 5014 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 5015 if (tptr == NULL) { 5016 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD); 5017 } 5018 if (tptr == NULL) { 5019 const char *str; 5020 uint32_t tag; 5021 5022 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 5023 str = "XPT_IMMEDIATE_NOTIFY"; 5024 tag = ccb->cin1.seq_id; 5025 } else { 5026 tag = ccb->atio.tag_id; 5027 str = "XPT_ACCEPT_TARGET_IO"; 5028 } 5029 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str); 5030 dump_tstates(isp, XS_CHANNEL(ccb)); 5031 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 5032 break; 5033 } 5034 ccb->ccb_h.spriv_field0 = 0; 5035 ccb->ccb_h.spriv_ptr1 = isp; 5036 5037 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 5038 if (ccb->atio.tag_id) { 5039 atio_private_data_t *atp = isp_find_atpd(isp, tptr, ccb->atio.tag_id); 5040 if (atp) { 5041 isp_put_atpd(isp, tptr, atp); 5042 } 5043 } 5044 tptr->atio_count++; 5045 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 5046 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n", 5047 ccb->atio.tag_id, tptr->atio_count); 5048 ccb->atio.tag_id = 0; 5049 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 5050 if (ccb->cin1.tag_id) { 5051 inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id); 5052 if (ntp) { 5053 isp_put_ntpd(isp, tptr, ntp); 5054 } 5055 } 5056 tptr->inot_count++; 5057 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 5058 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n", 5059 ccb->cin1.seq_id, tptr->inot_count); 5060 ccb->cin1.seq_id = 0; 5061 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 5062 tptr->inot_count++; 5063 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 5064 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n", 5065 ccb->cin1.seq_id, tptr->inot_count); 5066 ccb->cin1.seq_id = 0; 5067 } 5068 rls_lun_statep(isp, tptr); 5069 ccb->ccb_h.status = CAM_REQ_INPROG; 5070 break; 5071 } 5072 case XPT_NOTIFY_ACK: 5073 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5074 break; 5075 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 5076 { 5077 tstate_t *tptr; 5078 inot_private_data_t *ntp; 5079 5080 /* 5081 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 5082 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 5083 */ 5084 /* 5085 * All the relevant path information is in the associated immediate notify 5086 */ 5087 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); 5088 ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr); 5089 if (ntp == NULL) { 5090 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__, 5091 ccb->cna2.tag_id, ccb->cna2.seq_id); 5092 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 5093 xpt_done(ccb); 5094 break; 5095 } 5096 if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) { 5097 rls_lun_statep(isp, tptr); 5098 cam_freeze_devq(ccb->ccb_h.path); 5099 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 5100 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 5101 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 5102 break; 5103 } 5104 isp_put_ntpd(isp, tptr, ntp); 5105 rls_lun_statep(isp, tptr); 5106 ccb->ccb_h.status = CAM_REQ_CMP; 5107 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); 5108 xpt_done(ccb); 5109 break; 5110 } 5111 case XPT_CONT_TARGET_IO: 5112 isp_target_start_ctio(isp, ccb, FROM_CAM); 5113 break; 5114 #endif 5115 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 5116 { 5117 struct isp_fc *fc; 5118 5119 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path)); 5120 tgt = ccb->ccb_h.target_id; 5121 tgt |= (bus << 16); 5122 if (IS_FC(isp)) 5123 fc = ISP_FC_PC(isp, bus); 5124 else 5125 fc = NULL; 5126 5127 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 5128 if (error) { 5129 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5130 } else { 5131 /* 5132 * If we have a FC device, reset the Command 5133 * Reference Number, because the target will expect 5134 * that we re-start the CRN at 1 after a reset. 5135 */ 5136 if (fc != NULL) 5137 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5138 5139 ccb->ccb_h.status = CAM_REQ_CMP; 5140 } 5141 xpt_done(ccb); 5142 break; 5143 } 5144 case XPT_ABORT: /* Abort the specified CCB */ 5145 { 5146 union ccb *accb = ccb->cab.abort_ccb; 5147 switch (accb->ccb_h.func_code) { 5148 #ifdef ISP_TARGET_MODE 5149 case XPT_ACCEPT_TARGET_IO: 5150 isp_target_mark_aborted(isp, ccb); 5151 break; 5152 #endif 5153 case XPT_SCSI_IO: 5154 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 5155 if (error) { 5156 ccb->ccb_h.status = CAM_UA_ABORT; 5157 } else { 5158 ccb->ccb_h.status = CAM_REQ_CMP; 5159 } 5160 break; 5161 default: 5162 ccb->ccb_h.status = CAM_REQ_INVALID; 5163 break; 5164 } 5165 /* 5166 * This is not a queued CCB, so the caller expects it to be 5167 * complete when control is returned. 5168 */ 5169 break; 5170 } 5171 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 5172 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 5173 cts = &ccb->cts; 5174 if (!IS_CURRENT_SETTINGS(cts)) { 5175 ccb->ccb_h.status = CAM_REQ_INVALID; 5176 xpt_done(ccb); 5177 break; 5178 } 5179 tgt = cts->ccb_h.target_id; 5180 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 5181 if (IS_SCSI(isp)) { 5182 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5183 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 5184 sdparam *sdp = SDPARAM(isp, bus); 5185 uint16_t *dptr; 5186 5187 if (spi->valid == 0 && scsi->valid == 0) { 5188 ccb->ccb_h.status = CAM_REQ_CMP; 5189 xpt_done(ccb); 5190 break; 5191 } 5192 5193 /* 5194 * We always update (internally) from goal_flags 5195 * so any request to change settings just gets 5196 * vectored to that location. 5197 */ 5198 dptr = &sdp->isp_devparam[tgt].goal_flags; 5199 5200 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 5201 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 5202 *dptr |= DPARM_DISC; 5203 else 5204 *dptr &= ~DPARM_DISC; 5205 } 5206 5207 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 5208 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 5209 *dptr |= DPARM_TQING; 5210 else 5211 *dptr &= ~DPARM_TQING; 5212 } 5213 5214 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 5215 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 5216 *dptr |= DPARM_WIDE; 5217 else 5218 *dptr &= ~DPARM_WIDE; 5219 } 5220 5221 /* 5222 * XXX: FIX ME 5223 */ 5224 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 5225 *dptr |= DPARM_SYNC; 5226 /* 5227 * XXX: CHECK FOR LEGALITY 5228 */ 5229 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 5230 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 5231 } else { 5232 *dptr &= ~DPARM_SYNC; 5233 } 5234 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, 5235 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 5236 sdp->isp_devparam[tgt].dev_update = 1; 5237 sdp->update = 1; 5238 } 5239 ccb->ccb_h.status = CAM_REQ_CMP; 5240 xpt_done(ccb); 5241 break; 5242 case XPT_GET_TRAN_SETTINGS: 5243 cts = &ccb->cts; 5244 tgt = cts->ccb_h.target_id; 5245 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 5246 if (IS_FC(isp)) { 5247 fcparam *fcp = FCPARAM(isp, bus); 5248 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5249 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 5250 5251 cts->protocol = PROTO_SCSI; 5252 cts->protocol_version = SCSI_REV_2; 5253 cts->transport = XPORT_FC; 5254 cts->transport_version = 0; 5255 5256 scsi->valid = CTS_SCSI_VALID_TQ; 5257 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 5258 fc->valid = CTS_FC_VALID_SPEED; 5259 fc->bitrate = 100000; 5260 fc->bitrate *= fcp->isp_gbspeed; 5261 if (tgt < MAX_FC_TARG) { 5262 fcportdb_t *lp = &fcp->portdb[tgt]; 5263 fc->wwnn = lp->node_wwn; 5264 fc->wwpn = lp->port_wwn; 5265 fc->port = lp->portid; 5266 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 5267 } 5268 } else { 5269 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5270 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 5271 sdparam *sdp = SDPARAM(isp, bus); 5272 uint16_t dval, pval, oval; 5273 5274 if (IS_CURRENT_SETTINGS(cts)) { 5275 sdp->isp_devparam[tgt].dev_refresh = 1; 5276 sdp->update = 1; 5277 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 5278 dval = sdp->isp_devparam[tgt].actv_flags; 5279 oval = sdp->isp_devparam[tgt].actv_offset; 5280 pval = sdp->isp_devparam[tgt].actv_period; 5281 } else { 5282 dval = sdp->isp_devparam[tgt].nvrm_flags; 5283 oval = sdp->isp_devparam[tgt].nvrm_offset; 5284 pval = sdp->isp_devparam[tgt].nvrm_period; 5285 } 5286 5287 cts->protocol = PROTO_SCSI; 5288 cts->protocol_version = SCSI_REV_2; 5289 cts->transport = XPORT_SPI; 5290 cts->transport_version = 2; 5291 5292 spi->valid = 0; 5293 scsi->valid = 0; 5294 spi->flags = 0; 5295 scsi->flags = 0; 5296 if (dval & DPARM_DISC) { 5297 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 5298 } 5299 if ((dval & DPARM_SYNC) && oval && pval) { 5300 spi->sync_offset = oval; 5301 spi->sync_period = pval; 5302 } else { 5303 spi->sync_offset = 0; 5304 spi->sync_period = 0; 5305 } 5306 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 5307 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 5308 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 5309 if (dval & DPARM_WIDE) { 5310 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 5311 } else { 5312 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 5313 } 5314 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 5315 scsi->valid = CTS_SCSI_VALID_TQ; 5316 if (dval & DPARM_TQING) { 5317 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 5318 } 5319 spi->valid |= CTS_SPI_VALID_DISC; 5320 } 5321 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 5322 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval); 5323 } 5324 ccb->ccb_h.status = CAM_REQ_CMP; 5325 xpt_done(ccb); 5326 break; 5327 5328 case XPT_CALC_GEOMETRY: 5329 cam_calc_geometry(&ccb->ccg, 1); 5330 xpt_done(ccb); 5331 break; 5332 5333 case XPT_RESET_BUS: /* Reset the specified bus */ 5334 bus = cam_sim_bus(sim); 5335 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 5336 if (error) { 5337 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5338 xpt_done(ccb); 5339 break; 5340 } 5341 if (bootverbose) { 5342 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 5343 } 5344 if (IS_FC(isp)) { 5345 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 5346 } else { 5347 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 5348 } 5349 ccb->ccb_h.status = CAM_REQ_CMP; 5350 xpt_done(ccb); 5351 break; 5352 5353 case XPT_TERM_IO: /* Terminate the I/O process */ 5354 ccb->ccb_h.status = CAM_REQ_INVALID; 5355 xpt_done(ccb); 5356 break; 5357 5358 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 5359 { 5360 struct ccb_sim_knob *kp = &ccb->knob; 5361 fcparam *fcp; 5362 5363 if (!IS_FC(isp)) { 5364 ccb->ccb_h.status = CAM_REQ_INVALID; 5365 xpt_done(ccb); 5366 break; 5367 } 5368 5369 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 5370 fcp = FCPARAM(isp, bus); 5371 5372 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 5373 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 5374 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 5375 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 5376 } 5377 ccb->ccb_h.status = CAM_REQ_CMP; 5378 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 5379 int rchange = 0; 5380 int newrole = 0; 5381 5382 switch (kp->xport_specific.fc.role) { 5383 case KNOB_ROLE_NONE: 5384 if (fcp->role != ISP_ROLE_NONE) { 5385 rchange = 1; 5386 newrole = ISP_ROLE_NONE; 5387 } 5388 break; 5389 case KNOB_ROLE_TARGET: 5390 if (fcp->role != ISP_ROLE_TARGET) { 5391 rchange = 1; 5392 newrole = ISP_ROLE_TARGET; 5393 } 5394 break; 5395 case KNOB_ROLE_INITIATOR: 5396 if (fcp->role != ISP_ROLE_INITIATOR) { 5397 rchange = 1; 5398 newrole = ISP_ROLE_INITIATOR; 5399 } 5400 break; 5401 case KNOB_ROLE_BOTH: 5402 if (fcp->role != ISP_ROLE_BOTH) { 5403 rchange = 1; 5404 newrole = ISP_ROLE_BOTH; 5405 } 5406 break; 5407 } 5408 if (rchange) { 5409 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 5410 #ifdef ISP_TARGET_MODE 5411 ISP_SET_PC(isp, bus, tm_enabled, 0); 5412 ISP_SET_PC(isp, bus, tm_luns_enabled, 0); 5413 #endif 5414 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 5415 bus, newrole) != 0) { 5416 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5417 xpt_done(ccb); 5418 break; 5419 } 5420 #ifdef ISP_TARGET_MODE 5421 if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) { 5422 /* 5423 * Give the new role a chance to complain and settle 5424 */ 5425 msleep(isp, &isp->isp_lock, PRIBIO, "taking a breather", 2); 5426 ccb->ccb_h.status = isp_enable_deferred_luns(isp, bus); 5427 } 5428 #endif 5429 } 5430 } 5431 xpt_done(ccb); 5432 break; 5433 } 5434 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 5435 { 5436 struct ccb_sim_knob *kp = &ccb->knob; 5437 5438 if (IS_FC(isp)) { 5439 fcparam *fcp; 5440 5441 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 5442 fcp = FCPARAM(isp, bus); 5443 5444 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 5445 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 5446 switch (fcp->role) { 5447 case ISP_ROLE_NONE: 5448 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 5449 break; 5450 case ISP_ROLE_TARGET: 5451 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 5452 break; 5453 case ISP_ROLE_INITIATOR: 5454 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 5455 break; 5456 case ISP_ROLE_BOTH: 5457 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 5458 break; 5459 } 5460 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 5461 ccb->ccb_h.status = CAM_REQ_CMP; 5462 } else { 5463 ccb->ccb_h.status = CAM_REQ_INVALID; 5464 } 5465 xpt_done(ccb); 5466 break; 5467 } 5468 case XPT_PATH_INQ: /* Path routing inquiry */ 5469 { 5470 struct ccb_pathinq *cpi = &ccb->cpi; 5471 5472 cpi->version_num = 1; 5473 #ifdef ISP_TARGET_MODE 5474 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 5475 #else 5476 cpi->target_sprt = 0; 5477 #endif 5478 cpi->hba_eng_cnt = 0; 5479 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 5480 cpi->max_lun = ISP_MAX_LUNS(isp) - 1; 5481 cpi->bus_id = cam_sim_bus(sim); 5482 if (isp->isp_osinfo.sixtyfourbit) 5483 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 5484 else 5485 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 5486 5487 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path)); 5488 if (IS_FC(isp)) { 5489 fcparam *fcp = FCPARAM(isp, bus); 5490 5491 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 5492 #if __FreeBSD_version >= 1000039 5493 cpi->hba_misc |= PIM_NOSCAN; 5494 #endif 5495 5496 /* 5497 * Because our loop ID can shift from time to time, 5498 * make our initiator ID out of range of our bus. 5499 */ 5500 cpi->initiator_id = cpi->max_target + 1; 5501 5502 /* 5503 * Set base transfer capabilities for Fibre Channel, for this HBA. 5504 */ 5505 if (IS_25XX(isp)) { 5506 cpi->base_transfer_speed = 8000000; 5507 } else if (IS_24XX(isp)) { 5508 cpi->base_transfer_speed = 4000000; 5509 } else if (IS_23XX(isp)) { 5510 cpi->base_transfer_speed = 2000000; 5511 } else { 5512 cpi->base_transfer_speed = 1000000; 5513 } 5514 cpi->hba_inquiry = PI_TAG_ABLE; 5515 cpi->transport = XPORT_FC; 5516 cpi->transport_version = 0; 5517 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 5518 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 5519 cpi->xport_specific.fc.port = fcp->isp_portid; 5520 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 5521 } else { 5522 sdparam *sdp = SDPARAM(isp, bus); 5523 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 5524 cpi->hba_misc = PIM_UNMAPPED; 5525 cpi->initiator_id = sdp->isp_initiator_id; 5526 cpi->base_transfer_speed = 3300; 5527 cpi->transport = XPORT_SPI; 5528 cpi->transport_version = 2; 5529 } 5530 cpi->protocol = PROTO_SCSI; 5531 cpi->protocol_version = SCSI_REV_2; 5532 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 5533 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 5534 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 5535 cpi->unit_number = cam_sim_unit(sim); 5536 cpi->ccb_h.status = CAM_REQ_CMP; 5537 xpt_done(ccb); 5538 break; 5539 } 5540 default: 5541 ccb->ccb_h.status = CAM_REQ_INVALID; 5542 xpt_done(ccb); 5543 break; 5544 } 5545 } 5546 5547 #define ISPDDB (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB) 5548 5549 void 5550 isp_done(XS_T *sccb) 5551 { 5552 ispsoftc_t *isp = XS_ISP(sccb); 5553 uint32_t status; 5554 5555 if (XS_NOERR(sccb)) 5556 XS_SETERR(sccb, CAM_REQ_CMP); 5557 5558 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 5559 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 5560 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 5561 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 5562 } else { 5563 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 5564 } 5565 } 5566 5567 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5568 status = sccb->ccb_h.status & CAM_STATUS_MASK; 5569 if (status != CAM_REQ_CMP) { 5570 if (status != CAM_SEL_TIMEOUT) 5571 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); 5572 else if ((IS_FC(isp)) 5573 && (XS_TGT(sccb) < MAX_FC_TARG)) { 5574 fcparam *fcp; 5575 5576 fcp = FCPARAM(isp, XS_CHANNEL(sccb)); 5577 fcp->portdb[XS_TGT(sccb)].is_target = 0; 5578 } 5579 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 5580 sccb->ccb_h.status |= CAM_DEV_QFRZN; 5581 xpt_freeze_devq(sccb->ccb_h.path, 1); 5582 } 5583 } 5584 5585 if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 5586 xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status); 5587 } 5588 5589 if (ISP_PCMD(sccb)) { 5590 if (callout_active(&PISP_PCMD(sccb)->wdog)) 5591 callout_stop(&PISP_PCMD(sccb)->wdog); 5592 isp_free_pcmd(isp, (union ccb *) sccb); 5593 } 5594 xpt_done((union ccb *) sccb); 5595 } 5596 5597 void 5598 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 5599 { 5600 int bus; 5601 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 5602 char buf[64]; 5603 char *msg = NULL; 5604 target_id_t tgt; 5605 fcportdb_t *lp; 5606 struct isp_fc *fc; 5607 struct cam_path *tmppath; 5608 struct ac_contract ac; 5609 struct ac_device_changed *adc; 5610 va_list ap; 5611 5612 switch (cmd) { 5613 case ISPASYNC_NEW_TGT_PARAMS: 5614 { 5615 struct ccb_trans_settings_scsi *scsi; 5616 struct ccb_trans_settings_spi *spi; 5617 int flags, tgt; 5618 sdparam *sdp; 5619 struct ccb_trans_settings cts; 5620 5621 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 5622 5623 va_start(ap, cmd); 5624 bus = va_arg(ap, int); 5625 tgt = va_arg(ap, int); 5626 va_end(ap); 5627 sdp = SDPARAM(isp, bus); 5628 5629 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 5630 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 5631 break; 5632 } 5633 flags = sdp->isp_devparam[tgt].actv_flags; 5634 cts.type = CTS_TYPE_CURRENT_SETTINGS; 5635 cts.protocol = PROTO_SCSI; 5636 cts.transport = XPORT_SPI; 5637 5638 scsi = &cts.proto_specific.scsi; 5639 spi = &cts.xport_specific.spi; 5640 5641 if (flags & DPARM_TQING) { 5642 scsi->valid |= CTS_SCSI_VALID_TQ; 5643 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 5644 } 5645 5646 if (flags & DPARM_DISC) { 5647 spi->valid |= CTS_SPI_VALID_DISC; 5648 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 5649 } 5650 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 5651 if (flags & DPARM_WIDE) { 5652 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 5653 } else { 5654 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 5655 } 5656 if (flags & DPARM_SYNC) { 5657 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 5658 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 5659 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 5660 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 5661 } 5662 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); 5663 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 5664 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 5665 xpt_free_path(tmppath); 5666 break; 5667 } 5668 case ISPASYNC_BUS_RESET: 5669 { 5670 va_start(ap, cmd); 5671 bus = va_arg(ap, int); 5672 va_end(ap); 5673 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 5674 if (IS_FC(isp)) { 5675 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 5676 } else { 5677 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 5678 } 5679 break; 5680 } 5681 case ISPASYNC_LIP: 5682 if (msg == NULL) 5683 msg = "LIP Received"; 5684 /* FALLTHROUGH */ 5685 case ISPASYNC_LOOP_RESET: 5686 if (msg == NULL) 5687 msg = "LOOP Reset"; 5688 /* FALLTHROUGH */ 5689 case ISPASYNC_LOOP_DOWN: 5690 { 5691 if (msg == NULL) 5692 msg = "LOOP Down"; 5693 va_start(ap, cmd); 5694 bus = va_arg(ap, int); 5695 va_end(ap); 5696 5697 FCPARAM(isp, bus)->isp_linkstate = 0; 5698 5699 fc = ISP_FC_PC(isp, bus); 5700 if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) { 5701 /* 5702 * We don't do any simq freezing if we are only in target mode 5703 */ 5704 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) { 5705 if (fc->path) { 5706 isp_freeze_loopdown(isp, bus, msg); 5707 } 5708 } 5709 if (!callout_active(&fc->ldt)) { 5710 callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc); 5711 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_uptime); 5712 } 5713 } 5714 isp_fcp_reset_crn(fc, /*tgt*/0, /*tgt_set*/ 0); 5715 5716 isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg); 5717 break; 5718 } 5719 case ISPASYNC_LOOP_UP: 5720 va_start(ap, cmd); 5721 bus = va_arg(ap, int); 5722 va_end(ap); 5723 fc = ISP_FC_PC(isp, bus); 5724 /* 5725 * Now we just note that Loop has come up. We don't 5726 * actually do anything because we're waiting for a 5727 * Change Notify before activating the FC cleanup 5728 * thread to look at the state of the loop again. 5729 */ 5730 FCPARAM(isp, bus)->isp_linkstate = 1; 5731 fc->loop_dead = 0; 5732 fc->loop_down_time = 0; 5733 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus); 5734 break; 5735 case ISPASYNC_DEV_ARRIVED: 5736 va_start(ap, cmd); 5737 bus = va_arg(ap, int); 5738 lp = va_arg(ap, fcportdb_t *); 5739 va_end(ap); 5740 fc = ISP_FC_PC(isp, bus); 5741 tgt = FC_PORTDB_TGT(isp, bus, lp); 5742 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5743 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 5744 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 5745 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 5746 lp->is_target = 1; 5747 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5748 isp_make_here(isp, lp, bus, tgt); 5749 } 5750 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 5751 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 5752 lp->is_initiator = 1; 5753 ac.contract_number = AC_CONTRACT_DEV_CHG; 5754 adc = (struct ac_device_changed *) ac.contract_data; 5755 adc->wwpn = lp->port_wwn; 5756 adc->port = lp->portid; 5757 adc->target = tgt; 5758 adc->arrived = 1; 5759 xpt_async(AC_CONTRACT, fc->path, &ac); 5760 } 5761 break; 5762 case ISPASYNC_DEV_CHANGED: 5763 va_start(ap, cmd); 5764 bus = va_arg(ap, int); 5765 lp = va_arg(ap, fcportdb_t *); 5766 va_end(ap); 5767 fc = ISP_FC_PC(isp, bus); 5768 tgt = FC_PORTDB_TGT(isp, bus, lp); 5769 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 5770 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 5771 changed: 5772 if (lp->is_target != 5773 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 5774 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 5775 lp->is_target = !lp->is_target; 5776 if (lp->is_target) { 5777 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5778 isp_make_here(isp, lp, bus, tgt); 5779 } else { 5780 isp_make_gone(isp, lp, bus, tgt); 5781 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5782 } 5783 } 5784 if (lp->is_initiator != 5785 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 5786 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 5787 lp->is_initiator = !lp->is_initiator; 5788 ac.contract_number = AC_CONTRACT_DEV_CHG; 5789 adc = (struct ac_device_changed *) ac.contract_data; 5790 adc->wwpn = lp->port_wwn; 5791 adc->port = lp->portid; 5792 adc->target = tgt; 5793 adc->arrived = lp->is_initiator; 5794 xpt_async(AC_CONTRACT, fc->path, &ac); 5795 } 5796 break; 5797 case ISPASYNC_DEV_STAYED: 5798 va_start(ap, cmd); 5799 bus = va_arg(ap, int); 5800 lp = va_arg(ap, fcportdb_t *); 5801 va_end(ap); 5802 fc = ISP_FC_PC(isp, bus); 5803 tgt = FC_PORTDB_TGT(isp, bus, lp); 5804 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5805 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 5806 goto changed; 5807 case ISPASYNC_DEV_GONE: 5808 va_start(ap, cmd); 5809 bus = va_arg(ap, int); 5810 lp = va_arg(ap, fcportdb_t *); 5811 va_end(ap); 5812 fc = ISP_FC_PC(isp, bus); 5813 tgt = FC_PORTDB_TGT(isp, bus, lp); 5814 /* 5815 * If this has a virtual target or initiator set the isp_gdt 5816 * timer running on it to delay its departure. 5817 */ 5818 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5819 if (lp->is_target || lp->is_initiator) { 5820 lp->state = FC_PORTDB_STATE_ZOMBIE; 5821 lp->gone_timer = fc->gone_device_time; 5822 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 5823 if (fc->ready && !callout_active(&fc->gdt)) { 5824 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); 5825 callout_reset(&fc->gdt, hz, isp_gdt, fc); 5826 } 5827 break; 5828 } 5829 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 5830 break; 5831 case ISPASYNC_CHANGE_NOTIFY: 5832 { 5833 char *msg; 5834 int evt, nphdl, nlstate, reason; 5835 5836 va_start(ap, cmd); 5837 bus = va_arg(ap, int); 5838 evt = va_arg(ap, int); 5839 if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) { 5840 nphdl = va_arg(ap, int); 5841 nlstate = va_arg(ap, int); 5842 reason = va_arg(ap, int); 5843 } else { 5844 nphdl = NIL_HANDLE; 5845 nlstate = reason = 0; 5846 } 5847 va_end(ap); 5848 fc = ISP_FC_PC(isp, bus); 5849 5850 if (evt == ISPASYNC_CHANGE_PDB) { 5851 msg = "Chan %d Port Database Changed"; 5852 } else if (evt == ISPASYNC_CHANGE_SNS) { 5853 msg = "Chan %d Name Server Database Changed"; 5854 } else { 5855 msg = "Chan %d Other Change Notify"; 5856 } 5857 5858 /* 5859 * If the loop down timer is running, cancel it. 5860 */ 5861 if (fc->ready && callout_active(&fc->ldt)) { 5862 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_uptime); 5863 callout_stop(&fc->ldt); 5864 } 5865 isp_prt(isp, ISP_LOGINFO, msg, bus); 5866 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) { 5867 isp_freeze_loopdown(isp, bus, msg); 5868 } 5869 wakeup(fc); 5870 break; 5871 } 5872 #ifdef ISP_TARGET_MODE 5873 case ISPASYNC_TARGET_NOTIFY: 5874 { 5875 isp_notify_t *notify; 5876 va_start(ap, cmd); 5877 notify = va_arg(ap, isp_notify_t *); 5878 va_end(ap); 5879 switch (notify->nt_ncode) { 5880 case NT_ABORT_TASK: 5881 case NT_ABORT_TASK_SET: 5882 case NT_CLEAR_ACA: 5883 case NT_CLEAR_TASK_SET: 5884 case NT_LUN_RESET: 5885 case NT_TARGET_RESET: 5886 case NT_QUERY_TASK_SET: 5887 case NT_QUERY_ASYNC_EVENT: 5888 /* 5889 * These are task management functions. 5890 */ 5891 isp_handle_platform_target_tmf(isp, notify); 5892 break; 5893 case NT_BUS_RESET: 5894 case NT_LIP_RESET: 5895 case NT_LINK_UP: 5896 case NT_LINK_DOWN: 5897 case NT_HBA_RESET: 5898 /* 5899 * No action need be taken here. 5900 */ 5901 break; 5902 case NT_GLOBAL_LOGOUT: 5903 case NT_LOGOUT: 5904 /* 5905 * This is device arrival/departure notification 5906 */ 5907 isp_handle_platform_target_notify_ack(isp, notify); 5908 break; 5909 default: 5910 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 5911 isp_handle_platform_target_notify_ack(isp, notify); 5912 break; 5913 } 5914 break; 5915 } 5916 case ISPASYNC_TARGET_NOTIFY_ACK: 5917 { 5918 void *inot; 5919 va_start(ap, cmd); 5920 inot = va_arg(ap, void *); 5921 va_end(ap); 5922 if (isp_notify_ack(isp, inot)) { 5923 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 5924 if (tp) { 5925 tp->isp = isp; 5926 if (inot) { 5927 memcpy(tp->data, inot, sizeof (tp->data)); 5928 tp->not = tp->data; 5929 } else { 5930 tp->not = NULL; 5931 } 5932 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 5933 callout_reset(&tp->timer, 5, 5934 isp_refire_notify_ack, tp); 5935 } else { 5936 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 5937 } 5938 } 5939 break; 5940 } 5941 case ISPASYNC_TARGET_ACTION: 5942 { 5943 isphdr_t *hp; 5944 5945 va_start(ap, cmd); 5946 hp = va_arg(ap, isphdr_t *); 5947 va_end(ap); 5948 switch (hp->rqs_entry_type) { 5949 default: 5950 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type); 5951 break; 5952 case RQSTYPE_NOTIFY: 5953 if (IS_SCSI(isp)) { 5954 isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp); 5955 } else if (IS_24XX(isp)) { 5956 isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp); 5957 } else { 5958 isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp); 5959 } 5960 break; 5961 case RQSTYPE_ATIO: 5962 if (IS_24XX(isp)) { 5963 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 5964 } else { 5965 isp_handle_platform_atio(isp, (at_entry_t *) hp); 5966 } 5967 break; 5968 case RQSTYPE_ATIO2: 5969 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 5970 break; 5971 case RQSTYPE_CTIO7: 5972 case RQSTYPE_CTIO3: 5973 case RQSTYPE_CTIO2: 5974 case RQSTYPE_CTIO: 5975 isp_handle_platform_ctio(isp, hp); 5976 break; 5977 case RQSTYPE_ABTS_RCVD: 5978 { 5979 abts_t *abts = (abts_t *)hp; 5980 isp_notify_t notify, *nt = ¬ify; 5981 tstate_t *tptr; 5982 fcportdb_t *lp; 5983 uint16_t chan; 5984 uint32_t sid, did; 5985 5986 did = (abts->abts_did_hi << 16) | abts->abts_did_lo; 5987 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo; 5988 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 5989 5990 nt->nt_hba = isp; 5991 nt->nt_did = did; 5992 nt->nt_nphdl = abts->abts_nphdl; 5993 nt->nt_sid = sid; 5994 isp_find_chan_by_did(isp, did, &chan); 5995 if (chan == ISP_NOCHAN) { 5996 nt->nt_tgt = TGT_ANY; 5997 } else { 5998 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn; 5999 if (isp_find_pdb_by_handle(isp, chan, abts->abts_nphdl, &lp)) { 6000 nt->nt_wwn = lp->port_wwn; 6001 } else { 6002 nt->nt_wwn = INI_ANY; 6003 } 6004 } 6005 /* 6006 * Try hard to find the lun for this command. 6007 */ 6008 tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task); 6009 if (tptr) { 6010 nt->nt_lun = tptr->ts_lun; 6011 rls_lun_statep(isp, tptr); 6012 } else { 6013 nt->nt_lun = LUN_ANY; 6014 } 6015 nt->nt_need_ack = 1; 6016 nt->nt_tagval = abts->abts_rxid_task; 6017 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32); 6018 if (abts->abts_rxid_task == ISP24XX_NO_TASK) { 6019 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)", 6020 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id); 6021 } else { 6022 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)", 6023 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id); 6024 } 6025 nt->nt_channel = chan; 6026 nt->nt_ncode = NT_ABORT_TASK; 6027 nt->nt_lreserved = hp; 6028 isp_handle_platform_target_tmf(isp, nt); 6029 break; 6030 } 6031 case RQSTYPE_ENABLE_LUN: 6032 case RQSTYPE_MODIFY_LUN: 6033 isp_ledone(isp, (lun_entry_t *) hp); 6034 break; 6035 } 6036 break; 6037 } 6038 #endif 6039 case ISPASYNC_FW_CRASH: 6040 { 6041 uint16_t mbox1, mbox6; 6042 mbox1 = ISP_READ(isp, OUTMAILBOX1); 6043 if (IS_DUALBUS(isp)) { 6044 mbox6 = ISP_READ(isp, OUTMAILBOX6); 6045 } else { 6046 mbox6 = 0; 6047 } 6048 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 6049 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 6050 isp->isp_osinfo.mbox_sleep_ok = 0; 6051 isp_reinit(isp, 1); 6052 isp->isp_osinfo.mbox_sleep_ok = mbox1; 6053 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 6054 break; 6055 } 6056 default: 6057 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 6058 break; 6059 } 6060 } 6061 6062 6063 /* 6064 * Locks are held before coming here. 6065 */ 6066 void 6067 isp_uninit(ispsoftc_t *isp) 6068 { 6069 if (IS_24XX(isp)) { 6070 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET); 6071 } else { 6072 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET); 6073 } 6074 ISP_DISABLE_INTS(isp); 6075 } 6076 6077 /* 6078 * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them 6079 * up from our platform default (defww{p|n}n) and morph them based upon 6080 * channel. 6081 * 6082 * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them 6083 * based upon channel. 6084 */ 6085 6086 uint64_t 6087 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 6088 { 6089 uint64_t seed; 6090 struct isp_fc *fc = ISP_FC_PC(isp, chan); 6091 6092 /* 6093 * If we're asking for a active WWN, the default overrides get 6094 * returned, otherwise the NVRAM value is picked. 6095 * 6096 * If we're asking for a default WWN, we just pick the default override. 6097 */ 6098 if (isactive) { 6099 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 6100 if (seed) { 6101 return (seed); 6102 } 6103 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram; 6104 if (seed) { 6105 return (seed); 6106 } 6107 return (0x400000007F000009ull); 6108 } 6109 6110 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 6111 6112 /* 6113 * For channel zero just return what we have. For either ACTIVE or 6114 * DEFAULT cases, we depend on default override of NVRAM values for 6115 * channel zero. 6116 */ 6117 if (chan == 0) { 6118 return (seed); 6119 } 6120 6121 /* 6122 * For other channels, we are doing one of three things: 6123 * 6124 * 1. If what we have now is non-zero, return it. Otherwise we morph 6125 * values from channel 0. 2. If we're here for a WWPN we synthesize 6126 * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a 6127 * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA. 6128 */ 6129 6130 if (seed) { 6131 return (seed); 6132 } 6133 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn; 6134 if (seed == 0) 6135 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram; 6136 6137 if (((seed >> 60) & 0xf) == 2) { 6138 /* 6139 * The type 2 NAA fields for QLogic cards appear be laid out 6140 * thusly: 6141 * 6142 * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56 6143 * port (1) or node (0) WWN distinguishor bit 48 6144 * physical port on dual-port chips (23XX/24XX) 6145 * 6146 * This is somewhat nutty, particularly since bit 48 is 6147 * irrelevant as they assign separate serial numbers to 6148 * different physical ports anyway. 6149 * 6150 * We'll stick our channel number plus one first into bits 6151 * 57..59 and thence into bits 52..55 which allows for 8 bits 6152 * of channel which is comfortably more than our maximum 6153 * (126) now. 6154 */ 6155 seed &= ~0x0FF0000000000000ULL; 6156 if (iswwnn == 0) { 6157 seed |= ((uint64_t) (chan + 1) & 0xf) << 56; 6158 seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 6159 } 6160 } else { 6161 seed = 0; 6162 } 6163 return (seed); 6164 } 6165 6166 void 6167 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 6168 { 6169 int loc; 6170 char lbuf[200]; 6171 va_list ap; 6172 6173 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 6174 return; 6175 } 6176 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 6177 loc = strlen(lbuf); 6178 va_start(ap, fmt); 6179 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 6180 va_end(ap); 6181 printf("%s\n", lbuf); 6182 } 6183 6184 void 6185 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 6186 { 6187 va_list ap; 6188 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 6189 return; 6190 } 6191 xpt_print_path(xs->ccb_h.path); 6192 va_start(ap, fmt); 6193 vprintf(fmt, ap); 6194 va_end(ap); 6195 printf("\n"); 6196 } 6197 6198 uint64_t 6199 isp_nanotime_sub(struct timespec *b, struct timespec *a) 6200 { 6201 uint64_t elapsed; 6202 struct timespec x = *b; 6203 timespecsub(&x, a); 6204 elapsed = GET_NANOSEC(&x); 6205 if (elapsed == 0) 6206 elapsed++; 6207 return (elapsed); 6208 } 6209 6210 int 6211 isp_mbox_acquire(ispsoftc_t *isp) 6212 { 6213 if (isp->isp_osinfo.mboxbsy) { 6214 return (1); 6215 } else { 6216 isp->isp_osinfo.mboxcmd_done = 0; 6217 isp->isp_osinfo.mboxbsy = 1; 6218 return (0); 6219 } 6220 } 6221 6222 void 6223 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 6224 { 6225 unsigned int usecs = mbp->timeout; 6226 unsigned int max, olim, ilim; 6227 6228 if (usecs == 0) { 6229 usecs = MBCMD_DEFAULT_TIMEOUT; 6230 } 6231 max = isp->isp_mbxwrk0 + 1; 6232 6233 if (isp->isp_osinfo.mbox_sleep_ok) { 6234 unsigned int ms = (usecs + 999) / 1000; 6235 6236 isp->isp_osinfo.mbox_sleep_ok = 0; 6237 isp->isp_osinfo.mbox_sleeping = 1; 6238 for (olim = 0; olim < max; olim++) { 6239 msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms)); 6240 if (isp->isp_osinfo.mboxcmd_done) { 6241 break; 6242 } 6243 } 6244 isp->isp_osinfo.mbox_sleep_ok = 1; 6245 isp->isp_osinfo.mbox_sleeping = 0; 6246 } else { 6247 for (olim = 0; olim < max; olim++) { 6248 for (ilim = 0; ilim < usecs; ilim += 100) { 6249 uint16_t isr, sema, info; 6250 if (isp->isp_osinfo.mboxcmd_done) { 6251 break; 6252 } 6253 if (ISP_READ_ISR(isp, &isr, &sema, &info)) { 6254 isp_intr(isp, isr, sema, info); 6255 if (isp->isp_osinfo.mboxcmd_done) { 6256 break; 6257 } 6258 } 6259 ISP_DELAY(100); 6260 } 6261 if (isp->isp_osinfo.mboxcmd_done) { 6262 break; 6263 } 6264 } 6265 } 6266 if (isp->isp_osinfo.mboxcmd_done == 0) { 6267 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)", 6268 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno); 6269 mbp->param[0] = MBOX_TIMEOUT; 6270 isp->isp_osinfo.mboxcmd_done = 1; 6271 } 6272 } 6273 6274 void 6275 isp_mbox_notify_done(ispsoftc_t *isp) 6276 { 6277 if (isp->isp_osinfo.mbox_sleeping) { 6278 wakeup(&isp->isp_mbxworkp); 6279 } 6280 isp->isp_osinfo.mboxcmd_done = 1; 6281 } 6282 6283 void 6284 isp_mbox_release(ispsoftc_t *isp) 6285 { 6286 isp->isp_osinfo.mboxbsy = 0; 6287 } 6288 6289 int 6290 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 6291 { 6292 int ret = 0; 6293 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 6294 ret = -1; 6295 } else { 6296 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 6297 } 6298 return (ret); 6299 } 6300 6301 int 6302 isp_mstohz(int ms) 6303 { 6304 int hz; 6305 struct timeval t; 6306 t.tv_sec = ms / 1000; 6307 t.tv_usec = (ms % 1000) * 1000; 6308 hz = tvtohz(&t); 6309 if (hz < 0) { 6310 hz = 0x7fffffff; 6311 } 6312 if (hz == 0) { 6313 hz = 1; 6314 } 6315 return (hz); 6316 } 6317 6318 void 6319 isp_platform_intr(void *arg) 6320 { 6321 ispsoftc_t *isp = arg; 6322 uint16_t isr, sema, info; 6323 6324 ISP_LOCK(isp); 6325 isp->isp_intcnt++; 6326 if (ISP_READ_ISR(isp, &isr, &sema, &info)) 6327 isp_intr(isp, isr, sema, info); 6328 else 6329 isp->isp_intbogus++; 6330 ISP_UNLOCK(isp); 6331 } 6332 6333 void 6334 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 6335 { 6336 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 6337 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 6338 } else { 6339 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 6340 } 6341 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 6342 } 6343 6344 /* 6345 * Reset the command reference number for all LUNs on a specific target 6346 * (needed when a target arrives again) or for all targets on a port 6347 * (needed for events like a LIP). 6348 */ 6349 void 6350 isp_fcp_reset_crn(struct isp_fc *fc, uint32_t tgt, int tgt_set) 6351 { 6352 int i; 6353 struct isp_nexus *nxp; 6354 6355 if (tgt_set == 0) 6356 isp_prt(fc->isp, ISP_LOG_SANCFG, "resetting CRN on all targets"); 6357 else 6358 isp_prt(fc->isp, ISP_LOG_SANCFG, "resetting CRN target %u", tgt); 6359 6360 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 6361 nxp = fc->nexus_hash[i]; 6362 while (nxp) { 6363 if ((tgt_set != 0) && (tgt == nxp->tgt)) 6364 nxp->crnseed = 0; 6365 6366 nxp = nxp->next; 6367 } 6368 } 6369 } 6370 6371 int 6372 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 6373 { 6374 uint32_t chan, tgt, lun; 6375 struct isp_fc *fc; 6376 struct isp_nexus *nxp; 6377 int idx; 6378 6379 if (isp->isp_type < ISP_HA_FC_2300) 6380 return (0); 6381 6382 chan = XS_CHANNEL(cmd); 6383 tgt = XS_TGT(cmd); 6384 lun = XS_LUN(cmd); 6385 fc = &isp->isp_osinfo.pc.fc[chan]; 6386 idx = NEXUS_HASH(tgt, lun); 6387 nxp = fc->nexus_hash[idx]; 6388 6389 while (nxp) { 6390 if (nxp->tgt == tgt && nxp->lun == lun) 6391 break; 6392 nxp = nxp->next; 6393 } 6394 if (nxp == NULL) { 6395 nxp = fc->nexus_free_list; 6396 if (nxp == NULL) { 6397 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 6398 if (nxp == NULL) { 6399 return (-1); 6400 } 6401 } else { 6402 fc->nexus_free_list = nxp->next; 6403 } 6404 nxp->tgt = tgt; 6405 nxp->lun = lun; 6406 nxp->next = fc->nexus_hash[idx]; 6407 fc->nexus_hash[idx] = nxp; 6408 } 6409 if (nxp) { 6410 if (nxp->crnseed == 0) 6411 nxp->crnseed = 1; 6412 if (cmd) 6413 PISP_PCMD(cmd)->crn = nxp->crnseed; 6414 *crnp = nxp->crnseed++; 6415 return (0); 6416 } 6417 return (-1); 6418 } 6419 6420 /* 6421 * We enter with the lock held 6422 */ 6423 void 6424 isp_timer(void *arg) 6425 { 6426 ispsoftc_t *isp = arg; 6427 #ifdef ISP_TARGET_MODE 6428 isp_tmcmd_restart(isp); 6429 #endif 6430 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 6431 } 6432 6433 isp_ecmd_t * 6434 isp_get_ecmd(ispsoftc_t *isp) 6435 { 6436 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 6437 if (ecmd) { 6438 isp->isp_osinfo.ecmd_free = ecmd->next; 6439 } 6440 return (ecmd); 6441 } 6442 6443 void 6444 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 6445 { 6446 ecmd->next = isp->isp_osinfo.ecmd_free; 6447 isp->isp_osinfo.ecmd_free = ecmd; 6448 } 6449