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