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 /* 2461 * However, make sure we delete ourselves if otherwise 2462 * we were there but at a different loop id. 2463 */ 2464 if (isp_find_pdb_by_wwn(isp, 0, iid, &lp)) { 2465 isp_del_wwn_entry(isp, 0, iid, lp->handle, lp->portid); 2466 } 2467 isp_add_wwn_entry(isp, 0, iid, atiop->init_id, PORT_ANY, 0); 2468 } 2469 atiop->cdb_len = ATIO2_CDBLEN; 2470 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 2471 atiop->ccb_h.status = CAM_CDB_RECVD; 2472 atiop->tag_id = atp->tag; 2473 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 2474 case ATIO2_TC_ATTR_SIMPLEQ: 2475 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2476 atiop->tag_action = MSG_SIMPLE_Q_TAG; 2477 break; 2478 case ATIO2_TC_ATTR_HEADOFQ: 2479 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2480 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 2481 break; 2482 case ATIO2_TC_ATTR_ORDERED: 2483 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2484 atiop->tag_action = MSG_ORDERED_Q_TAG; 2485 break; 2486 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 2487 case ATIO2_TC_ATTR_UNTAGGED: 2488 default: 2489 atiop->tag_action = 0; 2490 break; 2491 } 2492 2493 atp->orig_datalen = aep->at_datalen; 2494 atp->bytes_xfered = 0; 2495 atp->lun = lun; 2496 atp->nphdl = atiop->init_id; 2497 atp->sid = PORT_ANY; 2498 atp->oxid = aep->at_oxid; 2499 atp->cdb0 = aep->at_cdb[0]; 2500 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 2501 atp->state = ATPD_STATE_CAM; 2502 xpt_done((union ccb *)atiop); 2503 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); 2504 rls_lun_statep(isp, tptr); 2505 return; 2506 noresrc: 2507 ntp = isp_get_ntpd(isp, tptr); 2508 if (ntp == NULL) { 2509 rls_lun_statep(isp, tptr); 2510 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 2511 return; 2512 } 2513 memcpy(ntp->rd.data, aep, QENTRY_LEN); 2514 ntp->rd.nt.nt_hba = tptr->restart_queue; 2515 tptr->restart_queue = ntp; 2516 rls_lun_statep(isp, tptr); 2517 } 2518 2519 static void 2520 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 2521 { 2522 int cdbxlen; 2523 uint16_t lun, chan, nphdl = NIL_HANDLE; 2524 uint32_t did, sid; 2525 uint64_t wwn = INI_NONE; 2526 fcportdb_t *lp; 2527 tstate_t *tptr; 2528 struct ccb_accept_tio *atiop; 2529 atio_private_data_t *atp = NULL; 2530 atio_private_data_t *oatp; 2531 inot_private_data_t *ntp; 2532 2533 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 2534 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2535 lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | aep->at_cmnd.fcp_cmnd_lun[1]; 2536 2537 /* 2538 * Find the N-port handle, and Virtual Port Index for this command. 2539 * 2540 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information. 2541 * We also, as a matter of course, need to know the WWN of the initiator too. 2542 */ 2543 if (ISP_CAP_MULTI_ID(isp)) { 2544 /* 2545 * Find the right channel based upon D_ID 2546 */ 2547 isp_find_chan_by_did(isp, did, &chan); 2548 2549 if (chan == ISP_NOCHAN) { 2550 NANOTIME_T now; 2551 2552 /* 2553 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup 2554 * It's a bit tricky here as we need to stash this command *somewhere*. 2555 */ 2556 GET_NANOTIME(&now); 2557 if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) { 2558 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did); 2559 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 2560 return; 2561 } 2562 tptr = get_lun_statep(isp, 0, 0); 2563 if (tptr == NULL) { 2564 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 2565 if (tptr == NULL) { 2566 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); 2567 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 2568 return; 2569 } 2570 } 2571 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did); 2572 goto noresrc; 2573 } 2574 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); 2575 } else { 2576 chan = 0; 2577 } 2578 2579 /* 2580 * Find the PDB entry for this initiator 2581 */ 2582 if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) { 2583 /* 2584 * If we're not in the port database terminate the exchange. 2585 */ 2586 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", 2587 __func__, aep->at_rxid, did, chan, sid); 2588 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 2589 return; 2590 } 2591 nphdl = lp->handle; 2592 wwn = lp->port_wwn; 2593 2594 /* 2595 * Get the tstate pointer 2596 */ 2597 tptr = get_lun_statep(isp, chan, lun); 2598 if (tptr == NULL) { 2599 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 2600 if (tptr == NULL) { 2601 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun); 2602 if (lun == 0) { 2603 isp_endcmd(isp, aep, nphdl, SCSI_STATUS_BUSY, 0); 2604 } else { 2605 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 2606 } 2607 return; 2608 } 2609 } 2610 2611 /* 2612 * Start any commands pending resources first. 2613 */ 2614 if (tptr->restart_queue) { 2615 inot_private_data_t *restart_queue = tptr->restart_queue; 2616 tptr->restart_queue = NULL; 2617 while (restart_queue) { 2618 ntp = restart_queue; 2619 restart_queue = ntp->rd.nt.nt_hba; 2620 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid); 2621 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data); 2622 isp_put_ntpd(isp, tptr, ntp); 2623 /* 2624 * If a recursion caused the restart queue to start to fill again, 2625 * stop and splice the new list on top of the old list and restore 2626 * it and go to noresrc. 2627 */ 2628 if (tptr->restart_queue) { 2629 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restart queue refilling", __func__); 2630 if (restart_queue) { 2631 ntp = tptr->restart_queue; 2632 tptr->restart_queue = restart_queue; 2633 while (restart_queue->rd.nt.nt_hba) { 2634 restart_queue = restart_queue->rd.nt.nt_hba; 2635 } 2636 restart_queue->rd.nt.nt_hba = ntp; 2637 } 2638 goto noresrc; 2639 } 2640 } 2641 } 2642 2643 /* 2644 * If the f/w is out of resources, just send a BUSY status back. 2645 */ 2646 if (aep->at_rxid == AT7_NORESRC_RXID) { 2647 rls_lun_statep(isp, tptr); 2648 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 2649 return; 2650 } 2651 2652 /* 2653 * If we're out of resources, just send a BUSY status back. 2654 */ 2655 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2656 if (atiop == NULL) { 2657 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 2658 goto noresrc; 2659 } 2660 2661 oatp = isp_find_atpd(isp, tptr, aep->at_rxid); 2662 if (oatp) { 2663 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", 2664 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 2665 /* 2666 * It's not a "no resource" condition- but we can treat it like one 2667 */ 2668 goto noresrc; 2669 } 2670 atp = isp_get_atpd(isp, tptr, aep->at_rxid); 2671 if (atp == NULL) { 2672 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 2673 goto noresrc; 2674 } 2675 atp->word3 = lp->prli_word3; 2676 atp->state = ATPD_STATE_ATIO; 2677 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2678 tptr->atio_count--; 2679 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count); 2680 atiop->init_id = nphdl; 2681 atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid; 2682 atiop->ccb_h.target_lun = lun; 2683 atiop->sense_len = 0; 2684 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 2685 if (cdbxlen) { 2686 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 2687 } 2688 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 2689 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 2690 atiop->cdb_len = cdbxlen; 2691 atiop->ccb_h.status = CAM_CDB_RECVD; 2692 atiop->tag_id = atp->tag; 2693 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 2694 case FCP_CMND_TASK_ATTR_SIMPLE: 2695 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2696 atiop->tag_action = MSG_SIMPLE_Q_TAG; 2697 break; 2698 case FCP_CMND_TASK_ATTR_HEAD: 2699 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2700 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 2701 break; 2702 case FCP_CMND_TASK_ATTR_ORDERED: 2703 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2704 atiop->tag_action = MSG_ORDERED_Q_TAG; 2705 break; 2706 default: 2707 /* FALLTHROUGH */ 2708 case FCP_CMND_TASK_ATTR_ACA: 2709 case FCP_CMND_TASK_ATTR_UNTAGGED: 2710 atiop->tag_action = 0; 2711 break; 2712 } 2713 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 2714 atp->bytes_xfered = 0; 2715 atp->lun = lun; 2716 atp->nphdl = nphdl; 2717 atp->portid = sid; 2718 atp->oxid = aep->at_hdr.ox_id; 2719 atp->rxid = aep->at_hdr.rx_id; 2720 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 2721 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 2722 atp->state = ATPD_STATE_CAM; 2723 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen); 2724 xpt_done((union ccb *)atiop); 2725 rls_lun_statep(isp, tptr); 2726 return; 2727 noresrc: 2728 if (atp) { 2729 isp_put_atpd(isp, tptr, atp); 2730 } 2731 ntp = isp_get_ntpd(isp, tptr); 2732 if (ntp == NULL) { 2733 rls_lun_statep(isp, tptr); 2734 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 2735 return; 2736 } 2737 memcpy(ntp->rd.data, aep, QENTRY_LEN); 2738 ntp->rd.nt.nt_hba = tptr->restart_queue; 2739 tptr->restart_queue = ntp; 2740 rls_lun_statep(isp, tptr); 2741 } 2742 2743 2744 /* 2745 * Handle starting an SRR (sequence retransmit request) 2746 * We get here when we've gotten the immediate notify 2747 * and the return of all outstanding CTIOs for this 2748 * transaction. 2749 */ 2750 static void 2751 isp_handle_srr_start(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp) 2752 { 2753 in_fcentry_24xx_t *inot; 2754 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 2755 union ccb *ccb; 2756 2757 inot = (in_fcentry_24xx_t *)atp->srr; 2758 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 2759 ccb = atp->srr_ccb; 2760 atp->srr_ccb = NULL; 2761 atp->nsrr++; 2762 if (ccb == NULL) { 2763 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 2764 goto fail; 2765 } 2766 2767 ccb_off = ccb->ccb_h.spriv_field0; 2768 ccb_len = ccb->csio.dxfer_len; 2769 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 2770 2771 switch (inot->in_srr_iu) { 2772 case R_CTL_INFO_SOLICITED_DATA: 2773 /* 2774 * We have to restart a FCP_DATA data out transaction 2775 */ 2776 atp->sendst = 0; 2777 atp->bytes_xfered = srr_off; 2778 if (ccb_len == 0) { 2779 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 2780 goto mdp; 2781 } 2782 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 2783 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); 2784 goto mdp; 2785 } 2786 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); 2787 break; 2788 case R_CTL_INFO_COMMAND_STATUS: 2789 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 2790 atp->sendst = 1; 2791 /* 2792 * We have to restart a FCP_RSP IU transaction 2793 */ 2794 break; 2795 case R_CTL_INFO_DATA_DESCRIPTOR: 2796 /* 2797 * We have to restart an FCP DATA in transaction 2798 */ 2799 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 2800 goto fail; 2801 2802 default: 2803 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 2804 goto fail; 2805 } 2806 2807 /* 2808 * We can't do anything until this is acked, so we might as well start it now. 2809 * We aren't going to do the usual asynchronous ack issue because we need 2810 * to make sure this gets on the wire first. 2811 */ 2812 if (isp_notify_ack(isp, inot)) { 2813 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2814 goto fail; 2815 } 2816 isp_target_start_ctio(isp, ccb, FROM_SRR); 2817 return; 2818 fail: 2819 inot->in_reserved = 1; 2820 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2821 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2822 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2823 isp_complete_ctio(ccb); 2824 return; 2825 mdp: 2826 if (isp_notify_ack(isp, inot)) { 2827 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2828 goto fail; 2829 } 2830 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2831 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2832 /* 2833 * This is not a strict interpretation of MDP, but it's close 2834 */ 2835 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2836 ccb->csio.msg_len = 7; 2837 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2838 ccb->csio.msg_ptr[1] = 5; 2839 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2840 ccb->csio.msg_ptr[3] = srr_off >> 24; 2841 ccb->csio.msg_ptr[4] = srr_off >> 16; 2842 ccb->csio.msg_ptr[5] = srr_off >> 8; 2843 ccb->csio.msg_ptr[6] = srr_off; 2844 isp_complete_ctio(ccb); 2845 } 2846 2847 2848 static void 2849 isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw) 2850 { 2851 tstate_t *tptr; 2852 in_fcentry_24xx_t *inot = inot_raw; 2853 atio_private_data_t *atp; 2854 uint32_t tag = inot->in_rxid; 2855 uint32_t bus = inot->in_vpidx; 2856 2857 if (!IS_24XX(isp)) { 2858 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw); 2859 return; 2860 } 2861 2862 tptr = get_lun_statep_from_tag(isp, bus, tag); 2863 if (tptr == NULL) { 2864 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x in SRR Notify", __func__, tag); 2865 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2866 return; 2867 } 2868 atp = isp_find_atpd(isp, tptr, tag); 2869 if (atp == NULL) { 2870 rls_lun_statep(isp, tptr); 2871 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag); 2872 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2873 return; 2874 } 2875 atp->srr_notify_rcvd = 1; 2876 memcpy(atp->srr, inot, sizeof (atp->srr)); 2877 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, 2878 inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16)); 2879 if (atp->srr_ccb) 2880 isp_handle_srr_start(isp, tptr, atp); 2881 rls_lun_statep(isp, tptr); 2882 } 2883 2884 static void 2885 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2886 { 2887 union ccb *ccb; 2888 int sentstatus = 0, ok = 0, notify_cam = 0, resid = 0, failure = 0; 2889 tstate_t *tptr = NULL; 2890 atio_private_data_t *atp = NULL; 2891 int bus; 2892 uint32_t handle, moved_data = 0, data_requested; 2893 2894 /* 2895 * CTIO handles are 16 bits. 2896 * CTIO2 and CTIO7 are 32 bits. 2897 */ 2898 2899 if (IS_SCSI(isp)) { 2900 handle = ((ct_entry_t *)arg)->ct_syshandle; 2901 } else { 2902 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2903 } 2904 ccb = isp_find_xs_tgt(isp, handle); 2905 if (ccb == NULL) { 2906 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2907 return; 2908 } 2909 isp_destroy_tgt_handle(isp, handle); 2910 data_requested = PISP_PCMD(ccb)->datalen; 2911 isp_free_pcmd(isp, ccb); 2912 if (isp->isp_nactive) { 2913 isp->isp_nactive--; 2914 } 2915 2916 bus = XS_CHANNEL(ccb); 2917 tptr = get_lun_statep(isp, bus, XS_LUN(ccb)); 2918 if (tptr == NULL) { 2919 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 2920 } 2921 if (tptr == NULL) { 2922 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x after I/O", __func__, ccb->csio.tag_id); 2923 return; 2924 } 2925 2926 if (IS_24XX(isp)) { 2927 atp = isp_find_atpd(isp, tptr, ((ct7_entry_t *)arg)->ct_rxid); 2928 } else if (IS_FC(isp)) { 2929 atp = isp_find_atpd(isp, tptr, ((ct2_entry_t *)arg)->ct_rxid); 2930 } else { 2931 atp = isp_find_atpd(isp, tptr, ((ct_entry_t *)arg)->ct_fwhandle); 2932 } 2933 if (atp == NULL) { 2934 /* 2935 * In case of target mode disable at least ISP2532 return 2936 * invalid zero ct_rxid value. Try to workaround that using 2937 * tag_id from the CCB, pointed by valid ct_syshandle. 2938 */ 2939 atp = isp_find_atpd(isp, tptr, ccb->csio.tag_id); 2940 } 2941 if (atp == NULL) { 2942 rls_lun_statep(isp, tptr); 2943 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2944 return; 2945 } 2946 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2947 atp->bytes_in_transit -= data_requested; 2948 atp->ctcnt -= 1; 2949 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2950 2951 if (IS_24XX(isp)) { 2952 ct7_entry_t *ct = arg; 2953 2954 if (ct->ct_nphdl == CT7_SRR) { 2955 atp->srr_ccb = ccb; 2956 if (atp->srr_notify_rcvd) 2957 isp_handle_srr_start(isp, tptr, atp); 2958 rls_lun_statep(isp, tptr); 2959 return; 2960 } 2961 if (ct->ct_nphdl == CT_HBA_RESET) { 2962 failure = CAM_UNREC_HBA_ERROR; 2963 } else { 2964 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 2965 ok = (ct->ct_nphdl == CT7_OK); 2966 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2967 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) { 2968 resid = ct->ct_resid; 2969 moved_data = data_requested - resid; 2970 } 2971 } 2972 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), 2973 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2974 } else if (IS_FC(isp)) { 2975 ct2_entry_t *ct = arg; 2976 if (ct->ct_status == CT_SRR) { 2977 atp->srr_ccb = ccb; 2978 if (atp->srr_notify_rcvd) 2979 isp_handle_srr_start(isp, tptr, atp); 2980 rls_lun_statep(isp, tptr); 2981 isp_target_putback_atio(ccb); 2982 return; 2983 } 2984 if (ct->ct_status == CT_HBA_RESET) { 2985 failure = CAM_UNREC_HBA_ERROR; 2986 } else { 2987 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 2988 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 2989 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2990 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) { 2991 resid = ct->ct_resid; 2992 moved_data = data_requested - resid; 2993 } 2994 } 2995 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), 2996 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2997 } else { 2998 ct_entry_t *ct = arg; 2999 3000 if (ct->ct_status == (CT_HBA_RESET & 0xff)) { 3001 failure = CAM_UNREC_HBA_ERROR; 3002 } else { 3003 sentstatus = ct->ct_flags & CT_SENDSTATUS; 3004 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 3005 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 3006 } 3007 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) { 3008 resid = ct->ct_resid; 3009 moved_data = data_requested - resid; 3010 } 3011 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), 3012 notify_cam, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID"); 3013 } 3014 if (ok) { 3015 if (moved_data) { 3016 atp->bytes_xfered += moved_data; 3017 ccb->csio.resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 3018 } 3019 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) { 3020 ccb->ccb_h.status |= CAM_SENT_SENSE; 3021 } 3022 ccb->ccb_h.status |= CAM_REQ_CMP; 3023 } else { 3024 notify_cam = 1; 3025 if (failure == CAM_UNREC_HBA_ERROR) 3026 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 3027 else 3028 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 3029 } 3030 atp->state = ATPD_STATE_PDON; 3031 rls_lun_statep(isp, tptr); 3032 3033 /* 3034 * We never *not* notify CAM when there has been any error (ok == 0), 3035 * so we never need to do an ATIO putback if we're not notifying CAM. 3036 */ 3037 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 3038 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 3039 if (notify_cam == 0) { 3040 if (atp->sendst) { 3041 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 3042 } 3043 return; 3044 } 3045 3046 /* 3047 * We're telling CAM we're done with this CTIO transaction. 3048 * 3049 * 24XX cards never need an ATIO put back. 3050 * 3051 * Other cards need one put back only on error. 3052 * In the latter case, a timeout will re-fire 3053 * and try again in case we didn't have 3054 * queue resources to do so at first. In any case, 3055 * once the putback is done we do the completion 3056 * call. 3057 */ 3058 if (ok || IS_24XX(isp)) { 3059 isp_complete_ctio(ccb); 3060 } else { 3061 isp_target_putback_atio(ccb); 3062 } 3063 } 3064 3065 static void 3066 isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot) 3067 { 3068 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3069 } 3070 3071 static void 3072 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp) 3073 { 3074 int needack = 1; 3075 switch (inp->in_status) { 3076 case IN_PORT_LOGOUT: 3077 /* 3078 * XXX: Need to delete this initiator's WWN from the database 3079 * XXX: Need to send this LOGOUT upstream 3080 */ 3081 isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid); 3082 break; 3083 case IN_PORT_CHANGED: 3084 isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid); 3085 break; 3086 case IN_GLOBAL_LOGO: 3087 isp_del_all_wwn_entries(isp, 0); 3088 isp_prt(isp, ISP_LOGINFO, "all ports logged out"); 3089 break; 3090 case IN_ABORT_TASK: 3091 { 3092 tstate_t *tptr; 3093 uint16_t lun; 3094 uint32_t loopid; 3095 uint64_t wwn; 3096 atio_private_data_t *atp; 3097 fcportdb_t *lp; 3098 struct ccb_immediate_notify *inot = NULL; 3099 3100 if (ISP_CAP_SCCFW(isp)) { 3101 lun = inp->in_scclun; 3102 } else { 3103 lun = inp->in_lun; 3104 } 3105 if (ISP_CAP_2KLOGIN(isp)) { 3106 loopid = ((in_fcentry_e_t *)inp)->in_iid; 3107 } else { 3108 loopid = inp->in_iid; 3109 } 3110 if (isp_find_pdb_by_loopid(isp, 0, loopid, &lp)) { 3111 wwn = lp->port_wwn; 3112 } else { 3113 wwn = INI_ANY; 3114 } 3115 tptr = get_lun_statep(isp, 0, lun); 3116 if (tptr == NULL) { 3117 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 3118 if (tptr == NULL) { 3119 isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun); 3120 return; 3121 } 3122 } 3123 atp = isp_find_atpd(isp, tptr, inp->in_seqid); 3124 3125 if (atp) { 3126 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 3127 isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state); 3128 if (inot) { 3129 tptr->inot_count--; 3130 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 3131 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count); 3132 } else { 3133 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "out of INOT structures\n"); 3134 } 3135 } else { 3136 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn); 3137 } 3138 if (inot) { 3139 isp_notify_t tmp, *nt = &tmp; 3140 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 3141 nt->nt_hba = isp; 3142 nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn; 3143 nt->nt_wwn = wwn; 3144 nt->nt_nphdl = loopid; 3145 nt->nt_sid = PORT_ANY; 3146 nt->nt_did = PORT_ANY; 3147 nt->nt_lun = lun; 3148 nt->nt_need_ack = 1; 3149 nt->nt_channel = 0; 3150 nt->nt_ncode = NT_ABORT_TASK; 3151 nt->nt_lreserved = inot; 3152 isp_handle_platform_target_tmf(isp, nt); 3153 needack = 0; 3154 } 3155 rls_lun_statep(isp, tptr); 3156 break; 3157 } 3158 default: 3159 break; 3160 } 3161 if (needack) { 3162 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp); 3163 } 3164 } 3165 3166 static void 3167 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot) 3168 { 3169 uint16_t nphdl; 3170 uint16_t prli_options = 0; 3171 uint32_t portid; 3172 fcportdb_t *lp; 3173 uint8_t *ptr = NULL; 3174 uint64_t wwn; 3175 3176 nphdl = inot->in_nphdl; 3177 if (nphdl != NIL_HANDLE) { 3178 portid = inot->in_portid_hi << 16 | inot->in_portid_lo; 3179 } else { 3180 portid = PORT_ANY; 3181 } 3182 3183 switch (inot->in_status) { 3184 case IN24XX_ELS_RCVD: 3185 { 3186 char buf[16], *msg; 3187 int chan = ISP_GET_VPIDX(isp, inot->in_vpidx); 3188 3189 /* 3190 * Note that we're just getting notification that an ELS was received 3191 * (possibly with some associated information sent upstream). This is 3192 * *not* the same as being given the ELS frame to accept or reject. 3193 */ 3194 switch (inot->in_status_subcode) { 3195 case LOGO: 3196 msg = "LOGO"; 3197 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) { 3198 ptr = (uint8_t *)inot; /* point to unswizzled entry! */ 3199 wwn = (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF]) << 56) | 3200 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+1]) << 48) | 3201 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+2]) << 40) | 3202 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+3]) << 32) | 3203 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+4]) << 24) | 3204 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+5]) << 16) | 3205 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+6]) << 8) | 3206 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+7])); 3207 } else { 3208 wwn = INI_ANY; 3209 } 3210 isp_del_wwn_entry(isp, chan, wwn, nphdl, portid); 3211 break; 3212 case PRLO: 3213 msg = "PRLO"; 3214 break; 3215 case PLOGI: 3216 case PRLI: 3217 /* 3218 * Treat PRLI the same as PLOGI and make a database entry for it. 3219 */ 3220 if (inot->in_status_subcode == PLOGI) { 3221 msg = "PLOGI"; 3222 } else { 3223 prli_options = inot->in_prli_options; 3224 msg = "PRLI"; 3225 } 3226 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) { 3227 ptr = (uint8_t *)inot; /* point to unswizzled entry! */ 3228 wwn = (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF]) << 56) | 3229 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+1]) << 48) | 3230 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+2]) << 40) | 3231 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+3]) << 32) | 3232 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+4]) << 24) | 3233 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+5]) << 16) | 3234 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+6]) << 8) | 3235 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+7])); 3236 } else { 3237 wwn = INI_NONE; 3238 } 3239 isp_add_wwn_entry(isp, chan, wwn, nphdl, portid, prli_options); 3240 break; 3241 case PDISC: 3242 msg = "PDISC"; 3243 break; 3244 case ADISC: 3245 msg = "ADISC"; 3246 break; 3247 default: 3248 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode); 3249 msg = buf; 3250 break; 3251 } 3252 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) { 3253 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); 3254 break; 3255 } 3256 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, 3257 inot->in_rxid, inot->in_oxid); 3258 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3259 break; 3260 } 3261 3262 case IN24XX_PORT_LOGOUT: 3263 ptr = "PORT LOGOUT"; 3264 if (isp_find_pdb_by_loopid(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) { 3265 isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid); 3266 } 3267 /* FALLTHROUGH */ 3268 case IN24XX_PORT_CHANGED: 3269 if (ptr == NULL) { 3270 ptr = "PORT CHANGED"; 3271 } 3272 /* FALLTHROUGH */ 3273 case IN24XX_LIP_RESET: 3274 if (ptr == NULL) { 3275 ptr = "LIP RESET"; 3276 } 3277 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); 3278 3279 /* 3280 * All subcodes here are irrelevant. What is relevant 3281 * is that we need to terminate all active commands from 3282 * this initiator (known by N-port handle). 3283 */ 3284 /* XXX IMPLEMENT XXX */ 3285 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3286 break; 3287 3288 case IN24XX_SRR_RCVD: 3289 #ifdef ISP_TARGET_MODE 3290 isp_handle_srr_notify(isp, inot); 3291 break; 3292 #else 3293 if (ptr == NULL) { 3294 ptr = "SRR RCVD"; 3295 } 3296 /* FALLTHROUGH */ 3297 #endif 3298 case IN24XX_LINK_RESET: 3299 if (ptr == NULL) { 3300 ptr = "LINK RESET"; 3301 } 3302 case IN24XX_LINK_FAILED: 3303 if (ptr == NULL) { 3304 ptr = "LINK FAILED"; 3305 } 3306 default: 3307 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr); 3308 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3309 break; 3310 } 3311 } 3312 3313 static int 3314 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp) 3315 { 3316 3317 if (isp->isp_state != ISP_RUNSTATE) { 3318 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 3319 return (0); 3320 } 3321 3322 /* 3323 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 3324 */ 3325 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 3326 ct7_entry_t local, *cto = &local; 3327 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 3328 fcportdb_t *lp; 3329 uint32_t sid; 3330 uint16_t nphdl; 3331 3332 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 3333 if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) { 3334 nphdl = lp->handle; 3335 } else { 3336 nphdl = NIL_HANDLE; 3337 } 3338 ISP_MEMZERO(&local, sizeof (local)); 3339 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 3340 cto->ct_header.rqs_entry_count = 1; 3341 cto->ct_nphdl = nphdl; 3342 cto->ct_rxid = aep->at_rxid; 3343 cto->ct_vpidx = mp->nt_channel; 3344 cto->ct_iid_lo = sid; 3345 cto->ct_iid_hi = sid >> 16; 3346 cto->ct_oxid = aep->at_hdr.ox_id; 3347 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 3348 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 3349 return (isp_target_put_entry(isp, &local)); 3350 } 3351 3352 /* 3353 * This case is for a responding to an ABTS frame 3354 */ 3355 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 3356 3357 /* 3358 * Overload nt_need_ack here to mark whether we've terminated the associated command. 3359 */ 3360 if (mp->nt_need_ack) { 3361 uint8_t storage[QENTRY_LEN]; 3362 ct7_entry_t *cto = (ct7_entry_t *) storage; 3363 abts_t *abts = (abts_t *)mp->nt_lreserved; 3364 3365 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 3366 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 3367 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 3368 cto->ct_header.rqs_entry_count = 1; 3369 cto->ct_nphdl = mp->nt_nphdl; 3370 cto->ct_rxid = abts->abts_rxid_task; 3371 cto->ct_iid_lo = mp->nt_sid; 3372 cto->ct_iid_hi = mp->nt_sid >> 16; 3373 cto->ct_oxid = abts->abts_ox_id; 3374 cto->ct_vpidx = mp->nt_channel; 3375 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 3376 if (isp_target_put_entry(isp, cto)) { 3377 return (ENOMEM); 3378 } 3379 mp->nt_need_ack = 0; 3380 } 3381 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 3382 return (ENOMEM); 3383 } else { 3384 return (0); 3385 } 3386 } 3387 3388 /* 3389 * Handle logout cases here 3390 */ 3391 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 3392 isp_del_all_wwn_entries(isp, mp->nt_channel); 3393 } 3394 3395 if (mp->nt_ncode == NT_LOGOUT) { 3396 if (!IS_2100(isp) && IS_FC(isp)) { 3397 isp_del_wwn_entries(isp, mp); 3398 } 3399 } 3400 3401 /* 3402 * General purpose acknowledgement 3403 */ 3404 if (mp->nt_need_ack) { 3405 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 3406 /* 3407 * Don't need to use the guaranteed send because the caller can retry 3408 */ 3409 return (isp_notify_ack(isp, mp->nt_lreserved)); 3410 } 3411 return (0); 3412 } 3413 3414 /* 3415 * Handle task management functions. 3416 * 3417 * We show up here with a notify structure filled out. 3418 * 3419 * The nt_lreserved tag points to the original queue entry 3420 */ 3421 static void 3422 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 3423 { 3424 tstate_t *tptr; 3425 fcportdb_t *lp; 3426 struct ccb_immediate_notify *inot; 3427 inot_private_data_t *ntp = NULL; 3428 lun_id_t lun; 3429 3430 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode, 3431 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 3432 /* 3433 * NB: This assignment is necessary because of tricky type conversion. 3434 * XXX: This is tricky and I need to check this. If the lun isn't known 3435 * XXX: for the task management function, it does not of necessity follow 3436 * XXX: that it should go up stream to the wildcard listener. 3437 */ 3438 if (notify->nt_lun == LUN_ANY) { 3439 lun = CAM_LUN_WILDCARD; 3440 } else { 3441 lun = notify->nt_lun; 3442 } 3443 tptr = get_lun_statep(isp, notify->nt_channel, lun); 3444 if (tptr == NULL) { 3445 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 3446 if (tptr == NULL) { 3447 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 3448 goto bad; 3449 } 3450 } 3451 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 3452 if (inot == NULL) { 3453 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 3454 goto bad; 3455 } 3456 3457 if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0) { 3458 inot->initiator_id = CAM_TARGET_WILDCARD; 3459 } else { 3460 inot->initiator_id = lp->handle; 3461 } 3462 inot->seq_id = notify->nt_tagval; 3463 inot->tag_id = notify->nt_tagval >> 32; 3464 3465 switch (notify->nt_ncode) { 3466 case NT_ABORT_TASK: 3467 isp_target_mark_aborted_early(isp, tptr, inot->tag_id); 3468 inot->arg = MSG_ABORT_TASK; 3469 break; 3470 case NT_ABORT_TASK_SET: 3471 isp_target_mark_aborted_early(isp, tptr, TAG_ANY); 3472 inot->arg = MSG_ABORT_TASK_SET; 3473 break; 3474 case NT_CLEAR_ACA: 3475 inot->arg = MSG_CLEAR_ACA; 3476 break; 3477 case NT_CLEAR_TASK_SET: 3478 inot->arg = MSG_CLEAR_TASK_SET; 3479 break; 3480 case NT_LUN_RESET: 3481 inot->arg = MSG_LOGICAL_UNIT_RESET; 3482 break; 3483 case NT_TARGET_RESET: 3484 inot->arg = MSG_TARGET_RESET; 3485 break; 3486 default: 3487 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); 3488 goto bad; 3489 } 3490 3491 ntp = isp_get_ntpd(isp, tptr); 3492 if (ntp == NULL) { 3493 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 3494 goto bad; 3495 } 3496 ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t)); 3497 if (notify->nt_lreserved) { 3498 ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN); 3499 ntp->rd.nt.nt_lreserved = &ntp->rd.data; 3500 } 3501 ntp->rd.seq_id = notify->nt_tagval; 3502 ntp->rd.tag_id = notify->nt_tagval >> 32; 3503 3504 tptr->inot_count--; 3505 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 3506 rls_lun_statep(isp, tptr); 3507 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count); 3508 inot->ccb_h.status = CAM_MESSAGE_RECV; 3509 xpt_done((union ccb *)inot); 3510 return; 3511 bad: 3512 if (tptr) { 3513 rls_lun_statep(isp, tptr); 3514 } 3515 if (notify->nt_need_ack && notify->nt_lreserved) { 3516 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 3517 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 3518 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 3519 } 3520 } else { 3521 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 3522 } 3523 } 3524 } 3525 3526 /* 3527 * Find the associated private data and mark it as dead so 3528 * we don't try to work on it any further. 3529 */ 3530 static void 3531 isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb) 3532 { 3533 tstate_t *tptr; 3534 atio_private_data_t *atp; 3535 union ccb *accb = ccb->cab.abort_ccb; 3536 3537 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 3538 if (tptr == NULL) { 3539 tptr = get_lun_statep(isp, XS_CHANNEL(accb), CAM_LUN_WILDCARD); 3540 if (tptr == NULL) { 3541 ccb->ccb_h.status = CAM_REQ_INVALID; 3542 return; 3543 } 3544 } 3545 3546 atp = isp_find_atpd(isp, tptr, accb->atio.tag_id); 3547 if (atp == NULL) { 3548 ccb->ccb_h.status = CAM_REQ_INVALID; 3549 } else { 3550 atp->dead = 1; 3551 ccb->ccb_h.status = CAM_REQ_CMP; 3552 } 3553 rls_lun_statep(isp, tptr); 3554 } 3555 3556 static void 3557 isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id) 3558 { 3559 atio_private_data_t *atp; 3560 inot_private_data_t *restart_queue = tptr->restart_queue; 3561 3562 /* 3563 * First, clean any commands pending restart 3564 */ 3565 tptr->restart_queue = NULL; 3566 while (restart_queue) { 3567 uint32_t this_tag_id; 3568 inot_private_data_t *ntp = restart_queue; 3569 3570 restart_queue = ntp->rd.nt.nt_hba; 3571 3572 if (IS_24XX(isp)) { 3573 this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid; 3574 } else { 3575 this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid; 3576 } 3577 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 3578 isp_put_ntpd(isp, tptr, ntp); 3579 } else { 3580 ntp->rd.nt.nt_hba = tptr->restart_queue; 3581 tptr->restart_queue = ntp; 3582 } 3583 } 3584 3585 /* 3586 * Now mark other ones dead as well. 3587 */ 3588 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) { 3589 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) { 3590 atp->dead = 1; 3591 } 3592 } 3593 } 3594 3595 3596 #ifdef ISP_INTERNAL_TARGET 3597 //#define ISP_SEPARATE_STATUS 1 3598 #define ISP_MULTI_CCBS 1 3599 #if defined(ISP_MULTI_CCBS) && !defined(ISP_SEPARATE_STATUS) 3600 #define ISP_SEPARATE_STATUS 1 3601 #endif 3602 3603 typedef struct periph_private_data_t { 3604 union ccb *ccb; /* original ATIO or Immediate Notify */ 3605 unsigned long offset; /* current offset */ 3606 int sequence; /* current CTIO sequence */ 3607 int ctio_cnt; /* current # of ctio's outstanding */ 3608 int 3609 status_sent : 1, 3610 on_queue : 1; /* on restart queue */ 3611 } ppd_t; 3612 /* 3613 * Each ATIO we allocate will have periph private data associated with it 3614 * that maintains per-command state. This private to each ATIO. 3615 */ 3616 #define ATIO_PPD(ccb) ((ppd_t *)(((struct ccb_hdr *)ccb)->ppriv_ptr0)) 3617 /* 3618 * Each CTIO we send downstream will get a pointer to the ATIO itself 3619 * so that on completion we can retrieve that pointer. 3620 */ 3621 #define ccb_atio ppriv_ptr1 3622 #define ccb_inot ppriv_ptr1 3623 3624 /* 3625 * Each CTIO we send downstream will contain a sequence number 3626 */ 3627 #define CTIO_SEQ(ccb) ccb->ccb_h.ppriv_field0 3628 3629 #define MAX_ISP_TARG_TRANSFER (2 << 20) 3630 #define NISP_TARG_CMDS 64 3631 #define NISP_TARG_NOTIFIES 64 3632 #define DISK_SHIFT 9 3633 #define JUNK_SIZE 256 3634 #define MULTI_CCB_DATA_LIM 8192 3635 //#define MULTI_CCB_DATA_CNT 64 3636 #define MULTI_CCB_DATA_CNT 8 3637 3638 extern u_int vm_kmem_size; 3639 static int ca; 3640 static uint32_t disk_size; 3641 static uint8_t *disk_data = NULL; 3642 static uint8_t *junk_data; 3643 static MALLOC_DEFINE(M_ISPTARG, "ISPTARG", "ISP TARGET data"); 3644 struct isptarg_softc { 3645 /* CCBs (CTIOs, ATIOs, INOTs) pending on the controller */ 3646 struct isp_ccbq work_queue; 3647 struct isp_ccbq rework_queue; 3648 struct isp_ccbq running_queue; 3649 struct isp_ccbq inot_queue; 3650 struct cam_periph *periph; 3651 struct cam_path *path; 3652 ispsoftc_t *isp; 3653 }; 3654 static periph_ctor_t isptargctor; 3655 static periph_dtor_t isptargdtor; 3656 static periph_start_t isptargstart; 3657 static periph_init_t isptarginit; 3658 static void isptarg_done(struct cam_periph *, union ccb *); 3659 static void isptargasync(void *, u_int32_t, struct cam_path *, void *); 3660 3661 3662 static int isptarg_rwparm(uint8_t *, uint8_t *, uint64_t, uint32_t, uint8_t **, uint32_t *, int *); 3663 3664 static struct periph_driver isptargdriver = 3665 { 3666 isptarginit, "isptarg", TAILQ_HEAD_INITIALIZER(isptargdriver.units), 0 3667 }; 3668 3669 static void 3670 isptarginit(void) 3671 { 3672 } 3673 3674 static void 3675 isptargnotify(ispsoftc_t *isp, union ccb *iccb, struct ccb_immediate_notify *inot) 3676 { 3677 struct ccb_notify_acknowledge *ack = &iccb->cna2; 3678 3679 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__, 3680 inot->tag_id, inot->initiator_id, inot->seq_id, inot->ccb_h.status, inot->arg); 3681 ack->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 3682 ack->ccb_h.flags = 0; 3683 ack->ccb_h.retry_count = 0; 3684 ack->ccb_h.cbfcnp = isptarg_done; 3685 ack->ccb_h.timeout = 0; 3686 ack->ccb_h.ccb_inot = inot; 3687 ack->tag_id = inot->tag_id; 3688 ack->seq_id = inot->seq_id; 3689 ack->initiator_id = inot->initiator_id; 3690 xpt_action(iccb); 3691 } 3692 3693 static void 3694 isptargstart(struct cam_periph *periph, union ccb *iccb) 3695 { 3696 const uint8_t niliqd[SHORT_INQUIRY_LENGTH] = { 3697 0x7f, 0x0, 0x5, 0x2, 32, 0, 0, 0x32, 3698 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 3699 'S', 'C', 'S', 'I', ' ', 'N', 'U', 'L', 3700 'L', ' ', 'D', 'E', 'V', 'I', 'C', 'E', 3701 '0', '0', '0', '1' 3702 }; 3703 const uint8_t iqd[SHORT_INQUIRY_LENGTH] = { 3704 0, 0x0, 0x5, 0x2, 32, 0, 0, 0x32, 3705 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 3706 'S', 'C', 'S', 'I', ' ', 'M', 'E', 'M', 3707 'O', 'R', 'Y', ' ', 'D', 'I', 'S', 'K', 3708 '0', '0', '0', '1' 3709 }; 3710 int r, i, more = 0, last, is_data_cmd = 0, is_write; 3711 char *queue; 3712 struct isptarg_softc *softc = periph->softc; 3713 struct ccb_scsiio *csio; 3714 lun_id_t return_lun; 3715 struct ccb_accept_tio *atio; 3716 uint8_t *cdb, *ptr, status; 3717 uint8_t *data_ptr; 3718 uint32_t data_len, flags; 3719 struct ccb_hdr *ccbh; 3720 3721 mtx_assert(periph->sim->mtx, MA_OWNED); 3722 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, 3723 TAILQ_FIRST(&softc->inot_queue)? 'y' : 'n', TAILQ_FIRST(&softc->work_queue)? 'y' : 'n', TAILQ_FIRST(&softc->rework_queue)? 'y' : 'n'); 3724 /* 3725 * Check for immediate notifies first 3726 */ 3727 ccbh = TAILQ_FIRST(&softc->inot_queue); 3728 if (ccbh) { 3729 TAILQ_REMOVE(&softc->inot_queue, ccbh, periph_links.tqe); 3730 if (TAILQ_FIRST(&softc->inot_queue) || TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue)) { 3731 xpt_schedule(periph, 1); 3732 } 3733 isptargnotify(softc->isp, iccb, (struct ccb_immediate_notify *)ccbh); 3734 return; 3735 } 3736 3737 /* 3738 * Check the rework (continuation) work queue first. 3739 */ 3740 ccbh = TAILQ_FIRST(&softc->rework_queue); 3741 if (ccbh) { 3742 atio = (struct ccb_accept_tio *)ccbh; 3743 TAILQ_REMOVE(&softc->rework_queue, ccbh, periph_links.tqe); 3744 more = TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue); 3745 queue = "rework"; 3746 } else { 3747 ccbh = TAILQ_FIRST(&softc->work_queue); 3748 if (ccbh == NULL) { 3749 xpt_release_ccb(iccb); 3750 return; 3751 } 3752 atio = (struct ccb_accept_tio *)ccbh; 3753 TAILQ_REMOVE(&softc->work_queue, ccbh, periph_links.tqe); 3754 more = TAILQ_FIRST(&softc->work_queue) != NULL; 3755 queue = "work"; 3756 } 3757 ATIO_PPD(atio)->on_queue = 0; 3758 3759 if (atio->tag_id == 0xffffffff || atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) { 3760 panic("BAD ATIO"); 3761 } 3762 3763 data_len = is_write = 0; 3764 data_ptr = NULL; 3765 csio = &iccb->csio; 3766 status = SCSI_STATUS_OK; 3767 flags = CAM_SEND_STATUS; 3768 memset(&atio->sense_data, 0, sizeof (atio->sense_data)); 3769 cdb = atio->cdb_io.cdb_bytes; 3770 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, 3771 queue, atio->init_id, cdb[0], ATIO_PPD(atio)->offset); 3772 3773 return_lun = XS_LUN(atio); 3774 if (return_lun != 0) { 3775 xpt_print(atio->ccb_h.path, "[0x%x] Non-Zero Lun %d: cdb0=0x%x\n", atio->tag_id, return_lun, cdb[0]); 3776 if (cdb[0] != INQUIRY && cdb[0] != REPORT_LUNS && cdb[0] != REQUEST_SENSE) { 3777 status = SCSI_STATUS_CHECK_COND; 3778 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3779 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3780 SDFIXED(atio->sense_data)->add_sense_code = 0x25; /* LOGICAL UNIT NOT SUPPORTED */ 3781 atio->sense_len = SSD_MIN_SIZE; 3782 } 3783 return_lun = CAM_LUN_WILDCARD; 3784 } 3785 3786 switch (cdb[0]) { 3787 case REQUEST_SENSE: 3788 flags |= CAM_DIR_IN; 3789 data_len = sizeof (atio->sense_data); 3790 junk_data[0] = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_NO_SENSE; 3791 memset(junk_data+1, 0, data_len-1); 3792 if (data_len > cdb[4]) { 3793 data_len = cdb[4]; 3794 } 3795 if (data_len) { 3796 data_ptr = junk_data; 3797 } 3798 break; 3799 case WRITE_6: 3800 case WRITE_10: 3801 case WRITE_12: 3802 case WRITE_16: 3803 is_write = 1; 3804 /* FALLTHROUGH */ 3805 case READ_6: 3806 case READ_10: 3807 case READ_12: 3808 case READ_16: 3809 is_data_cmd = 1; 3810 r = isptarg_rwparm(cdb, disk_data, disk_size, ATIO_PPD(atio)->offset, &data_ptr, &data_len, &last); 3811 if (r != 0) { 3812 status = SCSI_STATUS_CHECK_COND; 3813 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3814 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3815 if (r == -1) { 3816 SDFIXED(atio->sense_data)->add_sense_code = 0x21; /* LOGICAL BLOCK ADDRESS OUT OF RANGE */ 3817 } else { 3818 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */ 3819 } 3820 atio->sense_len = SSD_MIN_SIZE; 3821 } else { 3822 #ifdef ISP_SEPARATE_STATUS 3823 if (last && data_len) { 3824 last = 0; 3825 } 3826 #endif 3827 if (last == 0) { 3828 flags &= ~CAM_SEND_STATUS; 3829 } 3830 if (data_len) { 3831 ATIO_PPD(atio)->offset += data_len; 3832 if (is_write) 3833 flags |= CAM_DIR_OUT; 3834 else 3835 flags |= CAM_DIR_IN; 3836 } else { 3837 flags |= CAM_DIR_NONE; 3838 } 3839 } 3840 break; 3841 case INQUIRY: 3842 flags |= CAM_DIR_IN; 3843 if (cdb[1] || cdb[2] || cdb[3]) { 3844 status = SCSI_STATUS_CHECK_COND; 3845 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3846 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION; 3847 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */ 3848 atio->sense_len = SSD_MIN_SIZE; 3849 break; 3850 } 3851 data_len = sizeof (iqd); 3852 if (data_len > cdb[4]) { 3853 data_len = cdb[4]; 3854 } 3855 if (data_len) { 3856 if (XS_LUN(iccb) != 0) { 3857 memcpy(junk_data, niliqd, sizeof (iqd)); 3858 } else { 3859 memcpy(junk_data, iqd, sizeof (iqd)); 3860 } 3861 data_ptr = junk_data; 3862 } 3863 break; 3864 case TEST_UNIT_READY: 3865 flags |= CAM_DIR_NONE; 3866 if (ca) { 3867 ca = 0; 3868 status = SCSI_STATUS_CHECK_COND; 3869 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3870 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION; 3871 SDFIXED(atio->sense_data)->add_sense_code = 0x29; /* POWER ON, RESET, OR BUS DEVICE RESET OCCURRED */ 3872 atio->sense_len = SSD_MIN_SIZE; 3873 } 3874 break; 3875 case SYNCHRONIZE_CACHE: 3876 case START_STOP: 3877 case RESERVE: 3878 case RELEASE: 3879 case VERIFY_10: 3880 flags |= CAM_DIR_NONE; 3881 break; 3882 3883 case READ_CAPACITY: 3884 flags |= CAM_DIR_IN; 3885 if (cdb[2] || cdb[3] || cdb[4] || cdb[5]) { 3886 status = SCSI_STATUS_CHECK_COND; 3887 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3888 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3889 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */ 3890 atio->sense_len = SSD_MIN_SIZE; 3891 break; 3892 } 3893 if (cdb[8] & 0x1) { /* PMI */ 3894 junk_data[0] = 0xff; 3895 junk_data[1] = 0xff; 3896 junk_data[2] = 0xff; 3897 junk_data[3] = 0xff; 3898 } else { 3899 uint64_t last_blk = (disk_size >> DISK_SHIFT) - 1; 3900 if (last_blk < 0xffffffffULL) { 3901 junk_data[0] = (last_blk >> 24) & 0xff; 3902 junk_data[1] = (last_blk >> 16) & 0xff; 3903 junk_data[2] = (last_blk >> 8) & 0xff; 3904 junk_data[3] = (last_blk) & 0xff; 3905 } else { 3906 junk_data[0] = 0xff; 3907 junk_data[1] = 0xff; 3908 junk_data[2] = 0xff; 3909 junk_data[3] = 0xff; 3910 } 3911 } 3912 junk_data[4] = ((1 << DISK_SHIFT) >> 24) & 0xff; 3913 junk_data[5] = ((1 << DISK_SHIFT) >> 16) & 0xff; 3914 junk_data[6] = ((1 << DISK_SHIFT) >> 8) & 0xff; 3915 junk_data[7] = ((1 << DISK_SHIFT)) & 0xff; 3916 data_ptr = junk_data; 3917 data_len = 8; 3918 break; 3919 case REPORT_LUNS: 3920 flags |= CAM_DIR_IN; 3921 memset(junk_data, 0, JUNK_SIZE); 3922 junk_data[0] = (1 << 3) >> 24; 3923 junk_data[1] = (1 << 3) >> 16; 3924 junk_data[2] = (1 << 3) >> 8; 3925 junk_data[3] = (1 << 3); 3926 ptr = NULL; 3927 for (i = 0; i < 1; i++) { 3928 ptr = &junk_data[8 + (i << 3)]; 3929 if (i >= 256) { 3930 ptr[0] = 0x40 | ((i >> 8) & 0x3f); 3931 } 3932 ptr[1] = i; 3933 } 3934 data_ptr = junk_data; 3935 data_len = (ptr + 8) - junk_data; 3936 break; 3937 3938 default: 3939 flags |= CAM_DIR_NONE; 3940 status = SCSI_STATUS_CHECK_COND; 3941 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3942 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3943 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */ 3944 atio->sense_len = SSD_MIN_SIZE; 3945 break; 3946 } 3947 3948 /* 3949 * If we are done with the transaction, tell the 3950 * controller to send status and perform a CMD_CMPLT. 3951 * If we have associated sense data, see if we can 3952 * send that too. 3953 */ 3954 if (status == SCSI_STATUS_CHECK_COND) { 3955 flags |= CAM_SEND_SENSE; 3956 csio->sense_len = atio->sense_len; 3957 csio->sense_data = atio->sense_data; 3958 flags &= ~CAM_DIR_MASK; 3959 data_len = 0; 3960 data_ptr = NULL; 3961 } 3962 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); 3963 iccb->ccb_h.target_id = atio->ccb_h.target_id; 3964 iccb->ccb_h.target_lun = return_lun; 3965 iccb->ccb_h.ccb_atio = atio; 3966 CTIO_SEQ(iccb) = ATIO_PPD(atio)->sequence++; 3967 ATIO_PPD(atio)->ctio_cnt++; 3968 if (flags & CAM_SEND_STATUS) { 3969 KASSERT((ATIO_PPD(atio)->status_sent == 0), ("we have already sent status for 0x%x in %s", atio->tag_id, __func__)); 3970 ATIO_PPD(atio)->status_sent = 1; 3971 } 3972 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); 3973 xpt_action(iccb); 3974 3975 if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3976 cam_release_devq(periph->path, 0, 0, 0, 0); 3977 atio->ccb_h.status &= ~CAM_DEV_QFRZN; 3978 } 3979 #ifdef ISP_MULTI_CCBS 3980 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) { 3981 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: more still to do for 0x%x\n", __func__, atio->tag_id); 3982 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 3983 ATIO_PPD(atio)->on_queue = 1; 3984 more = 1; 3985 } 3986 #endif 3987 if (more) { 3988 xpt_schedule(periph, 1); 3989 } 3990 } 3991 3992 static cam_status 3993 isptargctor(struct cam_periph *periph, void *arg) 3994 { 3995 struct isptarg_softc *softc; 3996 3997 softc = (struct isptarg_softc *)arg; 3998 periph->softc = softc; 3999 softc->periph = periph; 4000 softc->path = periph->path; 4001 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__); 4002 return (CAM_REQ_CMP); 4003 } 4004 4005 static void 4006 isptargdtor(struct cam_periph *periph) 4007 { 4008 struct isptarg_softc *softc; 4009 softc = (struct isptarg_softc *)periph->softc; 4010 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__); 4011 softc->periph = NULL; 4012 softc->path = NULL; 4013 periph->softc = NULL; 4014 } 4015 4016 static void 4017 isptarg_done(struct cam_periph *periph, union ccb *ccb) 4018 { 4019 struct isptarg_softc *softc; 4020 ispsoftc_t *isp; 4021 uint32_t newoff; 4022 struct ccb_accept_tio *atio; 4023 struct ccb_immediate_notify *inot; 4024 cam_status status; 4025 4026 softc = (struct isptarg_softc *)periph->softc; 4027 isp = softc->isp; 4028 status = ccb->ccb_h.status & CAM_STATUS_MASK; 4029 4030 switch (ccb->ccb_h.func_code) { 4031 case XPT_ACCEPT_TARGET_IO: 4032 atio = (struct ccb_accept_tio *) ccb; 4033 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] ATIO seen in %s\n", atio->tag_id, __func__); 4034 memset(ATIO_PPD(atio), 0, sizeof (ppd_t)); 4035 TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, periph_links.tqe); 4036 ATIO_PPD(atio)->on_queue = 1; 4037 xpt_schedule(periph, 1); 4038 break; 4039 case XPT_IMMEDIATE_NOTIFY: 4040 inot = (struct ccb_immediate_notify *) ccb; 4041 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__); 4042 TAILQ_INSERT_TAIL(&softc->inot_queue, &ccb->ccb_h, periph_links.tqe); 4043 xpt_schedule(periph, 1); 4044 break; 4045 case XPT_CONT_TARGET_IO: 4046 atio = ccb->ccb_h.ccb_atio; 4047 KASSERT((ATIO_PPD(atio)->ctio_cnt != 0), ("ctio zero when finishing a CTIO")); 4048 ATIO_PPD(atio)->ctio_cnt--; 4049 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 4050 switch (ccb->ccb_h.status & CAM_STATUS_MASK) { 4051 case CAM_MESSAGE_RECV: 4052 newoff = (ccb->csio.msg_ptr[3] << 24) | (ccb->csio.msg_ptr[4] << 16) | (ccb->csio.msg_ptr[5] << 8) | (ccb->csio.msg_ptr[6]); 4053 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)); 4054 ATIO_PPD(atio)->offset = newoff; 4055 ATIO_PPD(atio)->status_sent = 0; 4056 if (ATIO_PPD(atio)->on_queue == 0) { 4057 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 4058 ATIO_PPD(atio)->on_queue = 1; 4059 } 4060 xpt_schedule(periph, 1); 4061 break; 4062 default: 4063 cam_error_print(ccb, CAM_ESF_ALL, CAM_EPF_ALL); 4064 xpt_action((union ccb *)atio); 4065 break; 4066 } 4067 } else if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4068 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__); 4069 if (ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->on_queue == 0) { 4070 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 4071 ATIO_PPD(atio)->on_queue = 1; 4072 } 4073 xpt_schedule(periph, 1); 4074 } else { 4075 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)); 4076 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__); 4077 xpt_action((union ccb *)atio); 4078 } 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 xpt_release_ccb(ccb); 4084 break; 4085 case XPT_NOTIFY_ACKNOWLEDGE: 4086 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 4087 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0); 4088 ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 4089 } 4090 inot = ccb->ccb_h.ccb_inot; 4091 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); 4092 xpt_release_ccb(ccb); 4093 xpt_action((union ccb *)inot); 4094 break; 4095 default: 4096 xpt_print(ccb->ccb_h.path, "unexpected code 0x%x\n", ccb->ccb_h.func_code); 4097 break; 4098 } 4099 } 4100 4101 static void 4102 isptargasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) 4103 { 4104 struct ac_contract *acp = arg; 4105 struct ac_device_changed *fc = (struct ac_device_changed *) acp->contract_data; 4106 4107 if (code != AC_CONTRACT) { 4108 return; 4109 } 4110 xpt_print(path, "0x%016llx Port ID 0x%06x %s\n", (unsigned long long) fc->wwpn, fc->port, fc->arrived? "arrived" : "departed"); 4111 } 4112 4113 static void 4114 isp_target_thread(ispsoftc_t *isp, int chan) 4115 { 4116 union ccb *ccb = NULL; 4117 int i; 4118 void *wchan; 4119 cam_status status; 4120 struct isptarg_softc *softc = NULL; 4121 struct cam_periph *periph = NULL, *wperiph = NULL; 4122 struct cam_path *path, *wpath; 4123 struct cam_sim *sim; 4124 4125 if (disk_data == NULL) { 4126 disk_size = roundup2(vm_kmem_size >> 1, (1ULL << 20)); 4127 if (disk_size < (50 << 20)) { 4128 disk_size = 50 << 20; 4129 } 4130 disk_data = malloc(disk_size, M_ISPTARG, M_WAITOK | M_ZERO); 4131 if (disk_data == NULL) { 4132 isp_prt(isp, ISP_LOGERR, "%s: could not allocate disk data", __func__); 4133 goto out; 4134 } 4135 isp_prt(isp, ISP_LOGINFO, "allocated a %ju MiB disk", (uintmax_t) (disk_size >> 20)); 4136 } 4137 junk_data = malloc(JUNK_SIZE, M_ISPTARG, M_WAITOK | M_ZERO); 4138 if (junk_data == NULL) { 4139 isp_prt(isp, ISP_LOGERR, "%s: could not allocate junk", __func__); 4140 goto out; 4141 } 4142 4143 4144 softc = malloc(sizeof (*softc), M_ISPTARG, M_WAITOK | M_ZERO); 4145 if (softc == NULL) { 4146 isp_prt(isp, ISP_LOGERR, "%s: could not allocate softc", __func__); 4147 goto out; 4148 } 4149 TAILQ_INIT(&softc->work_queue); 4150 TAILQ_INIT(&softc->rework_queue); 4151 TAILQ_INIT(&softc->running_queue); 4152 TAILQ_INIT(&softc->inot_queue); 4153 softc->isp = isp; 4154 4155 periphdriver_register(&isptargdriver); 4156 ISP_GET_PC(isp, chan, sim, sim); 4157 ISP_GET_PC(isp, chan, path, path); 4158 status = xpt_create_path(&wpath, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 4159 if (status != CAM_REQ_CMP) { 4160 isp_prt(isp, ISP_LOGERR, "%s: could not allocate wildcard path", __func__); 4161 return; 4162 } 4163 status = xpt_create_path(&path, NULL, cam_sim_path(sim), 0, 0); 4164 if (status != CAM_REQ_CMP) { 4165 xpt_free_path(wpath); 4166 isp_prt(isp, ISP_LOGERR, "%s: could not allocate path", __func__); 4167 return; 4168 } 4169 4170 ISP_LOCK(isp); 4171 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, wpath, NULL, 0, softc); 4172 if (status != CAM_REQ_CMP) { 4173 ISP_UNLOCK(isp); 4174 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc for wildcard failed", __func__); 4175 goto out; 4176 } 4177 wperiph = cam_periph_find(wpath, "isptarg"); 4178 if (wperiph == NULL) { 4179 ISP_UNLOCK(isp); 4180 isp_prt(isp, ISP_LOGERR, "%s: wildcard periph already allocated but doesn't exist", __func__); 4181 goto out; 4182 } 4183 4184 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, path, NULL, 0, softc); 4185 if (status != CAM_REQ_CMP) { 4186 ISP_UNLOCK(isp); 4187 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc failed", __func__); 4188 goto out; 4189 } 4190 4191 periph = cam_periph_find(path, "isptarg"); 4192 if (periph == NULL) { 4193 ISP_UNLOCK(isp); 4194 isp_prt(isp, ISP_LOGERR, "%s: periph already allocated but doesn't exist", __func__); 4195 goto out; 4196 } 4197 4198 status = xpt_register_async(AC_CONTRACT, isptargasync, isp, wpath); 4199 if (status != CAM_REQ_CMP) { 4200 ISP_UNLOCK(isp); 4201 isp_prt(isp, ISP_LOGERR, "%s: xpt_register_async failed", __func__); 4202 goto out; 4203 } 4204 4205 ISP_UNLOCK(isp); 4206 4207 ccb = xpt_alloc_ccb(); 4208 4209 /* 4210 * Make sure role is none. 4211 */ 4212 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4213 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 4214 ccb->knob.xport_specific.fc.role = KNOB_ROLE_NONE; 4215 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE; 4216 4217 ISP_LOCK(isp); 4218 xpt_action(ccb); 4219 ISP_UNLOCK(isp); 4220 4221 /* 4222 * Now enable luns 4223 */ 4224 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4225 ccb->ccb_h.func_code = XPT_EN_LUN; 4226 ccb->cel.enable = 1; 4227 ISP_LOCK(isp); 4228 xpt_action(ccb); 4229 ISP_UNLOCK(isp); 4230 if (ccb->ccb_h.status != CAM_REQ_CMP) { 4231 xpt_free_ccb(ccb); 4232 xpt_print(periph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status); 4233 goto out; 4234 } 4235 4236 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 10); 4237 ccb->ccb_h.func_code = XPT_EN_LUN; 4238 ccb->cel.enable = 1; 4239 ISP_LOCK(isp); 4240 xpt_action(ccb); 4241 ISP_UNLOCK(isp); 4242 if (ccb->ccb_h.status != CAM_REQ_CMP) { 4243 xpt_free_ccb(ccb); 4244 xpt_print(wperiph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status); 4245 goto out; 4246 } 4247 xpt_free_ccb(ccb); 4248 4249 /* 4250 * Add resources 4251 */ 4252 ISP_GET_PC(isp, chan, target_proc, wchan); 4253 for (i = 0; i < 4; i++) { 4254 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4255 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1); 4256 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 4257 ccb->ccb_h.cbfcnp = isptarg_done; 4258 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO); 4259 ISP_LOCK(isp); 4260 xpt_action(ccb); 4261 ISP_UNLOCK(isp); 4262 } 4263 for (i = 0; i < NISP_TARG_CMDS; i++) { 4264 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4265 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1); 4266 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 4267 ccb->ccb_h.cbfcnp = isptarg_done; 4268 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO); 4269 ISP_LOCK(isp); 4270 xpt_action(ccb); 4271 ISP_UNLOCK(isp); 4272 } 4273 for (i = 0; i < 4; i++) { 4274 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4275 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1); 4276 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 4277 ccb->ccb_h.cbfcnp = isptarg_done; 4278 ISP_LOCK(isp); 4279 xpt_action(ccb); 4280 ISP_UNLOCK(isp); 4281 } 4282 for (i = 0; i < NISP_TARG_NOTIFIES; i++) { 4283 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4284 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1); 4285 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 4286 ccb->ccb_h.cbfcnp = isptarg_done; 4287 ISP_LOCK(isp); 4288 xpt_action(ccb); 4289 ISP_UNLOCK(isp); 4290 } 4291 4292 /* 4293 * Now turn it all back on 4294 */ 4295 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4296 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 4297 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE; 4298 ccb->knob.xport_specific.fc.role = KNOB_ROLE_TARGET; 4299 ISP_LOCK(isp); 4300 xpt_action(ccb); 4301 ISP_UNLOCK(isp); 4302 4303 /* 4304 * Okay, while things are still active, sleep... 4305 */ 4306 ISP_LOCK(isp); 4307 for (;;) { 4308 ISP_GET_PC(isp, chan, proc_active, i); 4309 if (i == 0) { 4310 break; 4311 } 4312 msleep(wchan, &isp->isp_lock, PUSER, "tsnooze", 0); 4313 } 4314 ISP_UNLOCK(isp); 4315 4316 out: 4317 if (wperiph) { 4318 cam_periph_invalidate(wperiph); 4319 } 4320 if (periph) { 4321 cam_periph_invalidate(periph); 4322 } 4323 if (junk_data) { 4324 free(junk_data, M_ISPTARG); 4325 } 4326 if (disk_data) { 4327 free(disk_data, M_ISPTARG); 4328 } 4329 if (softc) { 4330 free(softc, M_ISPTARG); 4331 } 4332 xpt_free_path(path); 4333 xpt_free_path(wpath); 4334 } 4335 4336 static void 4337 isp_target_thread_pi(void *arg) 4338 { 4339 struct isp_spi *pi = arg; 4340 ispsoftc_t *isp = cam_sim_softc(pi->sim); 4341 int chan = cam_sim_bus(pi->sim); 4342 4343 isp_target_thread(isp, chan); 4344 ISP_SPI_PC(isp, chan)->num_threads -= 1; 4345 kthread_exit(); 4346 } 4347 4348 static void 4349 isp_target_thread_fc(void *arg) 4350 { 4351 struct isp_fc *fc = arg; 4352 ispsoftc_t *isp = cam_sim_softc(pi->sim); 4353 int chan = cam_sim_bus(pi->sim); 4354 4355 isp_target_thread(isp, chan); 4356 ISP_FC_PC(isp, chan)->num_threads -= 1; 4357 kthread_exit(); 4358 } 4359 4360 static int 4361 isptarg_rwparm(uint8_t *cdb, uint8_t *dp, uint64_t dl, uint32_t offset, uint8_t **kp, uint32_t *tl, int *lp) 4362 { 4363 uint32_t cnt, curcnt; 4364 uint64_t lba; 4365 4366 switch (cdb[0]) { 4367 case WRITE_16: 4368 case READ_16: 4369 cnt = (((uint32_t)cdb[10]) << 24) | 4370 (((uint32_t)cdb[11]) << 16) | 4371 (((uint32_t)cdb[12]) << 8) | 4372 ((uint32_t)cdb[13]); 4373 4374 lba = (((uint64_t)cdb[2]) << 56) | 4375 (((uint64_t)cdb[3]) << 48) | 4376 (((uint64_t)cdb[4]) << 40) | 4377 (((uint64_t)cdb[5]) << 32) | 4378 (((uint64_t)cdb[6]) << 24) | 4379 (((uint64_t)cdb[7]) << 16) | 4380 (((uint64_t)cdb[8]) << 8) | 4381 ((uint64_t)cdb[9]); 4382 break; 4383 case WRITE_12: 4384 case READ_12: 4385 cnt = (((uint32_t)cdb[6]) << 16) | 4386 (((uint32_t)cdb[7]) << 8) | 4387 ((u_int32_t)cdb[8]); 4388 4389 lba = (((uint32_t)cdb[2]) << 24) | 4390 (((uint32_t)cdb[3]) << 16) | 4391 (((uint32_t)cdb[4]) << 8) | 4392 ((uint32_t)cdb[5]); 4393 break; 4394 case WRITE_10: 4395 case READ_10: 4396 cnt = (((uint32_t)cdb[7]) << 8) | 4397 ((u_int32_t)cdb[8]); 4398 4399 lba = (((uint32_t)cdb[2]) << 24) | 4400 (((uint32_t)cdb[3]) << 16) | 4401 (((uint32_t)cdb[4]) << 8) | 4402 ((uint32_t)cdb[5]); 4403 break; 4404 case WRITE_6: 4405 case READ_6: 4406 cnt = cdb[4]; 4407 if (cnt == 0) { 4408 cnt = 256; 4409 } 4410 lba = (((uint32_t)cdb[1] & 0x1f) << 16) | 4411 (((uint32_t)cdb[2]) << 8) | 4412 ((uint32_t)cdb[3]); 4413 break; 4414 default: 4415 return (-1); 4416 } 4417 4418 cnt <<= DISK_SHIFT; 4419 lba <<= DISK_SHIFT; 4420 4421 if (offset == cnt) { 4422 *lp = 1; 4423 return (0); 4424 } 4425 4426 if (lba + cnt > dl) { 4427 return (-2); 4428 } 4429 4430 curcnt = MAX_ISP_TARG_TRANSFER; 4431 if (offset + curcnt >= cnt) { 4432 curcnt = cnt - offset; 4433 *lp = 1; 4434 } else { 4435 *lp = 0; 4436 } 4437 #ifdef ISP_MULTI_CCBS 4438 if (curcnt > MULTI_CCB_DATA_LIM) 4439 curcnt = MULTI_CCB_DATA_LIM; 4440 #endif 4441 *tl = curcnt; 4442 *kp = &dp[lba + offset]; 4443 return (0); 4444 } 4445 4446 #endif 4447 #endif 4448 4449 static void 4450 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 4451 { 4452 struct cam_sim *sim; 4453 int bus, tgt; 4454 ispsoftc_t *isp; 4455 4456 sim = (struct cam_sim *)cbarg; 4457 isp = (ispsoftc_t *) cam_sim_softc(sim); 4458 bus = cam_sim_bus(sim); 4459 tgt = xpt_path_target_id(path); 4460 4461 switch (code) { 4462 case AC_LOST_DEVICE: 4463 if (IS_SCSI(isp)) { 4464 uint16_t oflags, nflags; 4465 sdparam *sdp = SDPARAM(isp, bus); 4466 4467 if (tgt >= 0) { 4468 nflags = sdp->isp_devparam[tgt].nvrm_flags; 4469 #ifndef ISP_TARGET_MODE 4470 nflags &= DPARM_SAFE_DFLT; 4471 if (isp->isp_loaded_fw) { 4472 nflags |= DPARM_NARROW | DPARM_ASYNC; 4473 } 4474 #else 4475 nflags = DPARM_DEFAULT; 4476 #endif 4477 oflags = sdp->isp_devparam[tgt].goal_flags; 4478 sdp->isp_devparam[tgt].goal_flags = nflags; 4479 sdp->isp_devparam[tgt].dev_update = 1; 4480 sdp->update = 1; 4481 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 4482 sdp->isp_devparam[tgt].goal_flags = oflags; 4483 } 4484 } 4485 break; 4486 default: 4487 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 4488 break; 4489 } 4490 } 4491 4492 static void 4493 isp_poll(struct cam_sim *sim) 4494 { 4495 ispsoftc_t *isp = cam_sim_softc(sim); 4496 uint32_t isr; 4497 uint16_t sema, mbox; 4498 4499 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 4500 isp_intr(isp, isr, sema, mbox); 4501 } 4502 } 4503 4504 4505 static void 4506 isp_watchdog(void *arg) 4507 { 4508 struct ccb_scsiio *xs = arg; 4509 ispsoftc_t *isp; 4510 uint32_t ohandle = ISP_HANDLE_FREE, handle; 4511 4512 isp = XS_ISP(xs); 4513 4514 handle = isp_find_handle(isp, xs); 4515 4516 /* 4517 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 4518 */ 4519 if (handle != ISP_HANDLE_FREE) { 4520 uint32_t isr; 4521 uint16_t sema, mbox; 4522 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) != 0) { 4523 isp_intr(isp, isr, sema, mbox); 4524 } 4525 ohandle = handle; 4526 handle = isp_find_handle(isp, xs); 4527 } 4528 if (handle != ISP_HANDLE_FREE) { 4529 /* 4530 * Try and make sure the command is really dead before 4531 * we release the handle (and DMA resources) for reuse. 4532 * 4533 * If we are successful in aborting the command then 4534 * we're done here because we'll get the command returned 4535 * back separately. 4536 */ 4537 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 4538 return; 4539 } 4540 4541 /* 4542 * Note that after calling the above, the command may in 4543 * fact have been completed. 4544 */ 4545 xs = isp_find_xs(isp, handle); 4546 4547 /* 4548 * If the command no longer exists, then we won't 4549 * be able to find the xs again with this handle. 4550 */ 4551 if (xs == NULL) { 4552 return; 4553 } 4554 4555 /* 4556 * After this point, the command is really dead. 4557 */ 4558 if (XS_XFRLEN(xs)) { 4559 ISP_DMAFREE(isp, xs, handle); 4560 } 4561 isp_destroy_handle(isp, handle); 4562 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 4563 xs->ccb_h.status &= ~CAM_STATUS_MASK; 4564 xs->ccb_h.status |= CAM_CMD_TIMEOUT; 4565 isp_prt_endcmd(isp, xs); 4566 isp_done(xs); 4567 } else { 4568 if (ohandle != ISP_HANDLE_FREE) { 4569 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 4570 } else { 4571 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 4572 } 4573 } 4574 } 4575 4576 static void 4577 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 4578 { 4579 union ccb *ccb; 4580 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4581 4582 if (isp_autoconfig == 0) { 4583 return; 4584 } 4585 4586 /* 4587 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 4588 */ 4589 ccb = xpt_alloc_ccb_nowait(); 4590 if (ccb == NULL) { 4591 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 4592 return; 4593 } 4594 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 4595 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 4596 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 4597 xpt_free_ccb(ccb); 4598 return; 4599 } 4600 4601 /* 4602 * Since we're about to issue a rescan, mark this device as not 4603 * reported gone. 4604 */ 4605 fcp->reported_gone = 0; 4606 4607 xpt_rescan(ccb); 4608 } 4609 4610 static void 4611 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 4612 { 4613 struct cam_path *tp; 4614 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4615 4616 if (isp_autoconfig == 0) { 4617 return; 4618 } 4619 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 4620 /* 4621 * We're about to send out the lost device async 4622 * notification, so indicate that we have reported it gone. 4623 */ 4624 fcp->reported_gone = 1; 4625 xpt_async(AC_LOST_DEVICE, tp, NULL); 4626 xpt_free_path(tp); 4627 } 4628 } 4629 4630 /* 4631 * Gone Device Timer Function- when we have decided that a device has gone 4632 * away, we wait a specific period of time prior to telling the OS it has 4633 * gone away. 4634 * 4635 * This timer function fires once a second and then scans the port database 4636 * for devices that are marked dead but still have a virtual target assigned. 4637 * We decrement a counter for that port database entry, and when it hits zero, 4638 * we tell the OS the device has gone away. 4639 */ 4640 static void 4641 isp_gdt(void *arg) 4642 { 4643 struct isp_fc *fc = arg; 4644 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 4645 } 4646 4647 static void 4648 isp_gdt_task(void *arg, int pending) 4649 { 4650 struct isp_fc *fc = arg; 4651 ispsoftc_t *isp = fc->isp; 4652 int chan = fc - isp->isp_osinfo.pc.fc; 4653 fcportdb_t *lp; 4654 int dbidx, tgt, more_to_do = 0; 4655 4656 ISP_LOCK(isp); 4657 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 4658 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 4659 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 4660 4661 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 4662 continue; 4663 } 4664 if (lp->dev_map_idx == 0 || lp->target_mode) { 4665 continue; 4666 } 4667 if (lp->gone_timer != 0) { 4668 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); 4669 lp->gone_timer -= 1; 4670 more_to_do++; 4671 continue; 4672 } 4673 tgt = lp->dev_map_idx - 1; 4674 FCPARAM(isp, chan)->isp_dev_map[tgt] = 0; 4675 lp->dev_map_idx = 0; 4676 lp->state = FC_PORTDB_STATE_NIL; 4677 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Gone Device Timeout"); 4678 isp_make_gone(isp, lp, chan, tgt); 4679 } 4680 if (fc->ready) { 4681 if (more_to_do) { 4682 callout_reset(&fc->gdt, hz, isp_gdt, fc); 4683 } else { 4684 callout_deactivate(&fc->gdt); 4685 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 4686 } 4687 } 4688 ISP_UNLOCK(isp); 4689 } 4690 4691 /* 4692 * Loop Down Timer Function- when loop goes down, a timer is started and 4693 * and after it expires we come here and take all probational devices that 4694 * the OS knows about and the tell the OS that they've gone away. 4695 * 4696 * We don't clear the devices out of our port database because, when loop 4697 * come back up, we have to do some actual cleanup with the chip at that 4698 * point (implicit PLOGO, e.g., to get the chip's port database state right). 4699 */ 4700 static void 4701 isp_ldt(void *arg) 4702 { 4703 struct isp_fc *fc = arg; 4704 taskqueue_enqueue(taskqueue_thread, &fc->ltask); 4705 } 4706 4707 static void 4708 isp_ldt_task(void *arg, int pending) 4709 { 4710 struct isp_fc *fc = arg; 4711 ispsoftc_t *isp = fc->isp; 4712 int chan = fc - isp->isp_osinfo.pc.fc; 4713 fcportdb_t *lp; 4714 int dbidx, tgt, i; 4715 4716 ISP_LOCK(isp); 4717 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_uptime); 4718 callout_deactivate(&fc->ldt); 4719 4720 /* 4721 * Notify to the OS all targets who we now consider have departed. 4722 */ 4723 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 4724 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 4725 4726 if (lp->state != FC_PORTDB_STATE_PROBATIONAL) { 4727 continue; 4728 } 4729 if (lp->dev_map_idx == 0 || lp->target_mode) { 4730 continue; 4731 } 4732 4733 /* 4734 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 4735 */ 4736 4737 4738 for (i = 0; i < isp->isp_maxcmds; i++) { 4739 struct ccb_scsiio *xs; 4740 4741 if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) { 4742 continue; 4743 } 4744 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 4745 continue; 4746 } 4747 if (dbidx != (FCPARAM(isp, chan)->isp_dev_map[XS_TGT(xs)] - 1)) { 4748 continue; 4749 } 4750 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%d orphaned by loop down timeout", 4751 isp->isp_xflist[i].handle, chan, XS_TGT(xs), XS_LUN(xs)); 4752 } 4753 4754 /* 4755 * Mark that we've announced that this device is gone.... 4756 */ 4757 lp->announced = 1; 4758 4759 /* 4760 * but *don't* change the state of the entry. Just clear 4761 * any target id stuff and announce to CAM that the 4762 * device is gone. This way any necessary PLOGO stuff 4763 * will happen when loop comes back up. 4764 */ 4765 4766 tgt = lp->dev_map_idx - 1; 4767 FCPARAM(isp, chan)->isp_dev_map[tgt] = 0; 4768 lp->dev_map_idx = 0; 4769 lp->state = FC_PORTDB_STATE_NIL; 4770 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Loop Down Timeout"); 4771 isp_make_gone(isp, lp, chan, tgt); 4772 } 4773 4774 if (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR) { 4775 isp_unfreeze_loopdown(isp, chan); 4776 } 4777 /* 4778 * The loop down timer has expired. Wake up the kthread 4779 * to notice that fact (or make it false). 4780 */ 4781 fc->loop_dead = 1; 4782 fc->loop_down_time = fc->loop_down_limit+1; 4783 wakeup(fc); 4784 ISP_UNLOCK(isp); 4785 } 4786 4787 static void 4788 isp_kthread(void *arg) 4789 { 4790 struct isp_fc *fc = arg; 4791 ispsoftc_t *isp = fc->isp; 4792 int chan = fc - isp->isp_osinfo.pc.fc; 4793 int slp = 0; 4794 4795 mtx_lock(&isp->isp_osinfo.lock); 4796 4797 while (isp->isp_osinfo.is_exiting == 0) { 4798 int lb, lim; 4799 4800 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan); 4801 lb = isp_fc_runstate(isp, chan, 250000); 4802 4803 /* 4804 * Our action is different based upon whether we're supporting 4805 * Initiator mode or not. If we are, we might freeze the simq 4806 * when loop is down and set all sorts of different delays to 4807 * check again. 4808 * 4809 * If not, we simply just wait for loop to come up. 4810 */ 4811 if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) { 4812 /* 4813 * Increment loop down time by the last sleep interval 4814 */ 4815 fc->loop_down_time += slp; 4816 4817 if (lb < 0) { 4818 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time); 4819 } else { 4820 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); 4821 } 4822 4823 /* 4824 * If we've never seen loop up and we've waited longer 4825 * than quickboot time, or we've seen loop up but we've 4826 * waited longer than loop_down_limit, give up and go 4827 * to sleep until loop comes up. 4828 */ 4829 if (FCPARAM(isp, chan)->loop_seen_once == 0) { 4830 lim = isp_quickboot_time; 4831 } else { 4832 lim = fc->loop_down_limit; 4833 } 4834 if (fc->loop_down_time >= lim) { 4835 isp_freeze_loopdown(isp, chan, "loop limit hit"); 4836 slp = 0; 4837 } else if (fc->loop_down_time < 10) { 4838 slp = 1; 4839 } else if (fc->loop_down_time < 30) { 4840 slp = 5; 4841 } else if (fc->loop_down_time < 60) { 4842 slp = 10; 4843 } else if (fc->loop_down_time < 120) { 4844 slp = 20; 4845 } else { 4846 slp = 30; 4847 } 4848 4849 } else if (lb) { 4850 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan); 4851 fc->loop_down_time += slp; 4852 if (fc->loop_down_time > 300) 4853 slp = 0; 4854 else 4855 slp = 60; 4856 } else { 4857 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan); 4858 fc->loop_down_time = 0; 4859 slp = 0; 4860 } 4861 4862 4863 /* 4864 * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it 4865 * now so that CAM can start sending us commands. 4866 * 4867 * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again 4868 * or kill the commands, as appropriate. 4869 */ 4870 4871 if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) { 4872 isp_unfreeze_loopdown(isp, chan); 4873 } 4874 4875 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp); 4876 4877 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz); 4878 4879 /* 4880 * If slp is zero, we're waking up for the first time after 4881 * things have been okay. In this case, we set a deferral state 4882 * for all commands and delay hysteresis seconds before starting 4883 * the FC state evaluation. This gives the loop/fabric a chance 4884 * to settle. 4885 */ 4886 if (slp == 0 && fc->hysteresis) { 4887 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz); 4888 mtx_unlock(&isp->isp_osinfo.lock); 4889 pause("ispt", fc->hysteresis * hz); 4890 mtx_lock(&isp->isp_osinfo.lock); 4891 } 4892 } 4893 fc->num_threads -= 1; 4894 mtx_unlock(&isp->isp_osinfo.lock); 4895 kthread_exit(); 4896 } 4897 4898 static void 4899 isp_action(struct cam_sim *sim, union ccb *ccb) 4900 { 4901 int bus, tgt, ts, error, lim; 4902 ispsoftc_t *isp; 4903 struct ccb_trans_settings *cts; 4904 4905 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 4906 4907 isp = (ispsoftc_t *)cam_sim_softc(sim); 4908 mtx_assert(&isp->isp_lock, MA_OWNED); 4909 4910 if (isp->isp_state != ISP_RUNSTATE && ccb->ccb_h.func_code == XPT_SCSI_IO) { 4911 isp_init(isp); 4912 if (isp->isp_state != ISP_INITSTATE) { 4913 /* 4914 * Lie. Say it was a selection timeout. 4915 */ 4916 ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN; 4917 xpt_freeze_devq(ccb->ccb_h.path, 1); 4918 xpt_done(ccb); 4919 return; 4920 } 4921 isp->isp_state = ISP_RUNSTATE; 4922 } 4923 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 4924 ISP_PCMD(ccb) = NULL; 4925 4926 switch (ccb->ccb_h.func_code) { 4927 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 4928 bus = XS_CHANNEL(ccb); 4929 /* 4930 * Do a couple of preliminary checks... 4931 */ 4932 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 4933 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 4934 ccb->ccb_h.status = CAM_REQ_INVALID; 4935 xpt_done(ccb); 4936 break; 4937 } 4938 } 4939 ccb->csio.req_map = NULL; 4940 #ifdef DIAGNOSTIC 4941 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) { 4942 xpt_print(ccb->ccb_h.path, "invalid target\n"); 4943 ccb->ccb_h.status = CAM_PATH_INVALID; 4944 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) { 4945 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 4946 ccb->ccb_h.status = CAM_PATH_INVALID; 4947 } 4948 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 4949 xpt_done(ccb); 4950 break; 4951 } 4952 #endif 4953 ccb->csio.scsi_status = SCSI_STATUS_OK; 4954 if (isp_get_pcmd(isp, ccb)) { 4955 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 4956 cam_freeze_devq(ccb->ccb_h.path); 4957 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 4958 xpt_done(ccb); 4959 break; 4960 } 4961 error = isp_start((XS_T *) ccb); 4962 switch (error) { 4963 case CMD_QUEUED: 4964 ccb->ccb_h.status |= CAM_SIM_QUEUED; 4965 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) { 4966 break; 4967 } 4968 ts = ccb->ccb_h.timeout; 4969 if (ts == CAM_TIME_DEFAULT) { 4970 ts = 60*1000; 4971 } 4972 ts = isp_mstohz(ts); 4973 callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb); 4974 break; 4975 case CMD_RQLATER: 4976 /* 4977 * We get this result for FC devices if the loop state isn't ready yet 4978 * or if the device in question has gone zombie on us. 4979 * 4980 * If we've never seen Loop UP at all, we requeue this request and wait 4981 * for the initial loop up delay to expire. 4982 */ 4983 lim = ISP_FC_PC(isp, bus)->loop_down_limit; 4984 if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) { 4985 if (FCPARAM(isp, bus)->loop_seen_once == 0) { 4986 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d loop not seen yet @ %lu", XS_TGT(ccb), XS_LUN(ccb), (unsigned long) time_uptime); 4987 } else { 4988 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); 4989 } 4990 ccb->ccb_h.status = CAM_SEL_TIMEOUT|CAM_DEV_QFRZN; 4991 xpt_freeze_devq(ccb->ccb_h.path, 1); 4992 isp_free_pcmd(isp, ccb); 4993 xpt_done(ccb); 4994 break; 4995 } 4996 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb)); 4997 cam_freeze_devq(ccb->ccb_h.path); 4998 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 4999 ccb->ccb_h.status = CAM_REQUEUE_REQ; 5000 isp_free_pcmd(isp, ccb); 5001 xpt_done(ccb); 5002 break; 5003 case CMD_EAGAIN: 5004 isp_free_pcmd(isp, ccb); 5005 cam_freeze_devq(ccb->ccb_h.path); 5006 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 5007 ccb->ccb_h.status = CAM_REQUEUE_REQ; 5008 xpt_done(ccb); 5009 break; 5010 case CMD_COMPLETE: 5011 isp_done((struct ccb_scsiio *) ccb); 5012 break; 5013 default: 5014 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 5015 ccb->ccb_h.status = CAM_REQUEUE_REQ; 5016 isp_free_pcmd(isp, ccb); 5017 xpt_done(ccb); 5018 } 5019 break; 5020 5021 #ifdef ISP_TARGET_MODE 5022 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 5023 if (ccb->cel.enable) { 5024 isp_enable_lun(isp, ccb); 5025 } else { 5026 isp_disable_lun(isp, ccb); 5027 } 5028 break; 5029 case XPT_IMMED_NOTIFY: 5030 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 5031 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 5032 { 5033 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 5034 if (tptr == NULL) { 5035 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD); 5036 } 5037 if (tptr == NULL) { 5038 const char *str; 5039 uint32_t tag; 5040 5041 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 5042 str = "XPT_IMMEDIATE_NOTIFY"; 5043 tag = ccb->cin1.seq_id; 5044 } else { 5045 tag = ccb->atio.tag_id; 5046 str = "XPT_ACCEPT_TARGET_IO"; 5047 } 5048 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str); 5049 dump_tstates(isp, XS_CHANNEL(ccb)); 5050 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 5051 break; 5052 } 5053 ccb->ccb_h.spriv_field0 = 0; 5054 ccb->ccb_h.spriv_ptr1 = isp; 5055 5056 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 5057 if (ccb->atio.tag_id) { 5058 atio_private_data_t *atp = isp_find_atpd(isp, tptr, ccb->atio.tag_id); 5059 if (atp) { 5060 isp_put_atpd(isp, tptr, atp); 5061 } 5062 } 5063 tptr->atio_count++; 5064 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 5065 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n", 5066 ccb->atio.tag_id, tptr->atio_count); 5067 ccb->atio.tag_id = 0; 5068 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 5069 if (ccb->cin1.tag_id) { 5070 inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id); 5071 if (ntp) { 5072 isp_put_ntpd(isp, tptr, ntp); 5073 } 5074 } 5075 tptr->inot_count++; 5076 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 5077 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n", 5078 ccb->cin1.seq_id, tptr->inot_count); 5079 ccb->cin1.seq_id = 0; 5080 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 5081 tptr->inot_count++; 5082 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 5083 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n", 5084 ccb->cin1.seq_id, tptr->inot_count); 5085 ccb->cin1.seq_id = 0; 5086 } 5087 rls_lun_statep(isp, tptr); 5088 ccb->ccb_h.status = CAM_REQ_INPROG; 5089 break; 5090 } 5091 case XPT_NOTIFY_ACK: 5092 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5093 break; 5094 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 5095 { 5096 tstate_t *tptr; 5097 inot_private_data_t *ntp; 5098 5099 /* 5100 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 5101 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 5102 */ 5103 /* 5104 * All the relevant path information is in the associated immediate notify 5105 */ 5106 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); 5107 ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr); 5108 if (ntp == NULL) { 5109 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__, 5110 ccb->cna2.tag_id, ccb->cna2.seq_id); 5111 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 5112 xpt_done(ccb); 5113 break; 5114 } 5115 if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) { 5116 rls_lun_statep(isp, tptr); 5117 cam_freeze_devq(ccb->ccb_h.path); 5118 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 5119 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 5120 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 5121 break; 5122 } 5123 isp_put_ntpd(isp, tptr, ntp); 5124 rls_lun_statep(isp, tptr); 5125 ccb->ccb_h.status = CAM_REQ_CMP; 5126 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); 5127 xpt_done(ccb); 5128 break; 5129 } 5130 case XPT_CONT_TARGET_IO: 5131 isp_target_start_ctio(isp, ccb, FROM_CAM); 5132 break; 5133 #endif 5134 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 5135 { 5136 struct isp_fc *fc; 5137 5138 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path)); 5139 tgt = ccb->ccb_h.target_id; 5140 tgt |= (bus << 16); 5141 if (IS_FC(isp)) 5142 fc = ISP_FC_PC(isp, bus); 5143 else 5144 fc = NULL; 5145 5146 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 5147 if (error) { 5148 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5149 } else { 5150 /* 5151 * If we have a FC device, reset the Command 5152 * Reference Number, because the target will expect 5153 * that we re-start the CRN at 1 after a reset. 5154 */ 5155 if (fc != NULL) 5156 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5157 5158 ccb->ccb_h.status = CAM_REQ_CMP; 5159 } 5160 xpt_done(ccb); 5161 break; 5162 } 5163 case XPT_ABORT: /* Abort the specified CCB */ 5164 { 5165 union ccb *accb = ccb->cab.abort_ccb; 5166 switch (accb->ccb_h.func_code) { 5167 #ifdef ISP_TARGET_MODE 5168 case XPT_ACCEPT_TARGET_IO: 5169 isp_target_mark_aborted(isp, ccb); 5170 break; 5171 #endif 5172 case XPT_SCSI_IO: 5173 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 5174 if (error) { 5175 ccb->ccb_h.status = CAM_UA_ABORT; 5176 } else { 5177 ccb->ccb_h.status = CAM_REQ_CMP; 5178 } 5179 break; 5180 default: 5181 ccb->ccb_h.status = CAM_REQ_INVALID; 5182 break; 5183 } 5184 /* 5185 * This is not a queued CCB, so the caller expects it to be 5186 * complete when control is returned. 5187 */ 5188 break; 5189 } 5190 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 5191 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 5192 cts = &ccb->cts; 5193 if (!IS_CURRENT_SETTINGS(cts)) { 5194 ccb->ccb_h.status = CAM_REQ_INVALID; 5195 xpt_done(ccb); 5196 break; 5197 } 5198 tgt = cts->ccb_h.target_id; 5199 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 5200 if (IS_SCSI(isp)) { 5201 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5202 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 5203 sdparam *sdp = SDPARAM(isp, bus); 5204 uint16_t *dptr; 5205 5206 if (spi->valid == 0 && scsi->valid == 0) { 5207 ccb->ccb_h.status = CAM_REQ_CMP; 5208 xpt_done(ccb); 5209 break; 5210 } 5211 5212 /* 5213 * We always update (internally) from goal_flags 5214 * so any request to change settings just gets 5215 * vectored to that location. 5216 */ 5217 dptr = &sdp->isp_devparam[tgt].goal_flags; 5218 5219 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 5220 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 5221 *dptr |= DPARM_DISC; 5222 else 5223 *dptr &= ~DPARM_DISC; 5224 } 5225 5226 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 5227 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 5228 *dptr |= DPARM_TQING; 5229 else 5230 *dptr &= ~DPARM_TQING; 5231 } 5232 5233 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 5234 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 5235 *dptr |= DPARM_WIDE; 5236 else 5237 *dptr &= ~DPARM_WIDE; 5238 } 5239 5240 /* 5241 * XXX: FIX ME 5242 */ 5243 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 5244 *dptr |= DPARM_SYNC; 5245 /* 5246 * XXX: CHECK FOR LEGALITY 5247 */ 5248 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 5249 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 5250 } else { 5251 *dptr &= ~DPARM_SYNC; 5252 } 5253 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, 5254 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 5255 sdp->isp_devparam[tgt].dev_update = 1; 5256 sdp->update = 1; 5257 } 5258 ccb->ccb_h.status = CAM_REQ_CMP; 5259 xpt_done(ccb); 5260 break; 5261 case XPT_GET_TRAN_SETTINGS: 5262 cts = &ccb->cts; 5263 tgt = cts->ccb_h.target_id; 5264 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 5265 if (IS_FC(isp)) { 5266 fcparam *fcp = FCPARAM(isp, bus); 5267 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5268 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 5269 unsigned int hdlidx; 5270 5271 cts->protocol = PROTO_SCSI; 5272 cts->protocol_version = SCSI_REV_2; 5273 cts->transport = XPORT_FC; 5274 cts->transport_version = 0; 5275 5276 scsi->valid = CTS_SCSI_VALID_TQ; 5277 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 5278 fc->valid = CTS_FC_VALID_SPEED; 5279 fc->bitrate = 100000; 5280 fc->bitrate *= fcp->isp_gbspeed; 5281 hdlidx = fcp->isp_dev_map[tgt] - 1; 5282 if (hdlidx < MAX_FC_TARG) { 5283 fcportdb_t *lp = &fcp->portdb[hdlidx]; 5284 fc->wwnn = lp->node_wwn; 5285 fc->wwpn = lp->port_wwn; 5286 fc->port = lp->portid; 5287 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 5288 } 5289 } else { 5290 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5291 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 5292 sdparam *sdp = SDPARAM(isp, bus); 5293 uint16_t dval, pval, oval; 5294 5295 if (IS_CURRENT_SETTINGS(cts)) { 5296 sdp->isp_devparam[tgt].dev_refresh = 1; 5297 sdp->update = 1; 5298 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 5299 dval = sdp->isp_devparam[tgt].actv_flags; 5300 oval = sdp->isp_devparam[tgt].actv_offset; 5301 pval = sdp->isp_devparam[tgt].actv_period; 5302 } else { 5303 dval = sdp->isp_devparam[tgt].nvrm_flags; 5304 oval = sdp->isp_devparam[tgt].nvrm_offset; 5305 pval = sdp->isp_devparam[tgt].nvrm_period; 5306 } 5307 5308 cts->protocol = PROTO_SCSI; 5309 cts->protocol_version = SCSI_REV_2; 5310 cts->transport = XPORT_SPI; 5311 cts->transport_version = 2; 5312 5313 spi->valid = 0; 5314 scsi->valid = 0; 5315 spi->flags = 0; 5316 scsi->flags = 0; 5317 if (dval & DPARM_DISC) { 5318 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 5319 } 5320 if ((dval & DPARM_SYNC) && oval && pval) { 5321 spi->sync_offset = oval; 5322 spi->sync_period = pval; 5323 } else { 5324 spi->sync_offset = 0; 5325 spi->sync_period = 0; 5326 } 5327 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 5328 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 5329 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 5330 if (dval & DPARM_WIDE) { 5331 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 5332 } else { 5333 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 5334 } 5335 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 5336 scsi->valid = CTS_SCSI_VALID_TQ; 5337 if (dval & DPARM_TQING) { 5338 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 5339 } 5340 spi->valid |= CTS_SPI_VALID_DISC; 5341 } 5342 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 5343 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval); 5344 } 5345 ccb->ccb_h.status = CAM_REQ_CMP; 5346 xpt_done(ccb); 5347 break; 5348 5349 case XPT_CALC_GEOMETRY: 5350 cam_calc_geometry(&ccb->ccg, 1); 5351 xpt_done(ccb); 5352 break; 5353 5354 case XPT_RESET_BUS: /* Reset the specified bus */ 5355 bus = cam_sim_bus(sim); 5356 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 5357 if (error) { 5358 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5359 xpt_done(ccb); 5360 break; 5361 } 5362 if (bootverbose) { 5363 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 5364 } 5365 if (IS_FC(isp)) { 5366 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 5367 } else { 5368 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 5369 } 5370 ccb->ccb_h.status = CAM_REQ_CMP; 5371 xpt_done(ccb); 5372 break; 5373 5374 case XPT_TERM_IO: /* Terminate the I/O process */ 5375 ccb->ccb_h.status = CAM_REQ_INVALID; 5376 xpt_done(ccb); 5377 break; 5378 5379 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 5380 { 5381 struct ccb_sim_knob *kp = &ccb->knob; 5382 fcparam *fcp; 5383 5384 if (!IS_FC(isp)) { 5385 ccb->ccb_h.status = CAM_REQ_INVALID; 5386 xpt_done(ccb); 5387 break; 5388 } 5389 5390 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 5391 fcp = FCPARAM(isp, bus); 5392 5393 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 5394 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 5395 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 5396 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 5397 } 5398 ccb->ccb_h.status = CAM_REQ_CMP; 5399 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 5400 int rchange = 0; 5401 int newrole = 0; 5402 5403 switch (kp->xport_specific.fc.role) { 5404 case KNOB_ROLE_NONE: 5405 if (fcp->role != ISP_ROLE_NONE) { 5406 rchange = 1; 5407 newrole = ISP_ROLE_NONE; 5408 } 5409 break; 5410 case KNOB_ROLE_TARGET: 5411 if (fcp->role != ISP_ROLE_TARGET) { 5412 rchange = 1; 5413 newrole = ISP_ROLE_TARGET; 5414 } 5415 break; 5416 case KNOB_ROLE_INITIATOR: 5417 if (fcp->role != ISP_ROLE_INITIATOR) { 5418 rchange = 1; 5419 newrole = ISP_ROLE_INITIATOR; 5420 } 5421 break; 5422 case KNOB_ROLE_BOTH: 5423 #if 0 5424 if (fcp->role != ISP_ROLE_BOTH) { 5425 rchange = 1; 5426 newrole = ISP_ROLE_BOTH; 5427 } 5428 #else 5429 /* 5430 * We don't really support dual role at present on FC cards. 5431 * 5432 * We should, but a bunch of things are currently broken, 5433 * so don't allow it. 5434 */ 5435 isp_prt(isp, ISP_LOGERR, "cannot support dual role at present"); 5436 ccb->ccb_h.status = CAM_REQ_INVALID; 5437 #endif 5438 break; 5439 } 5440 if (rchange) { 5441 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 5442 #ifdef ISP_TARGET_MODE 5443 ISP_SET_PC(isp, bus, tm_enabled, 0); 5444 ISP_SET_PC(isp, bus, tm_luns_enabled, 0); 5445 #endif 5446 if (isp_fc_change_role(isp, bus, newrole) != 0) { 5447 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5448 xpt_done(ccb); 5449 break; 5450 } 5451 #ifdef ISP_TARGET_MODE 5452 if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) { 5453 /* 5454 * Give the new role a chance to complain and settle 5455 */ 5456 msleep(isp, &isp->isp_lock, PRIBIO, "taking a breather", 2); 5457 ccb->ccb_h.status = isp_enable_deferred_luns(isp, bus); 5458 } 5459 #endif 5460 } 5461 } 5462 xpt_done(ccb); 5463 break; 5464 } 5465 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 5466 { 5467 struct ccb_sim_knob *kp = &ccb->knob; 5468 5469 if (IS_FC(isp)) { 5470 fcparam *fcp; 5471 5472 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 5473 fcp = FCPARAM(isp, bus); 5474 5475 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 5476 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 5477 switch (fcp->role) { 5478 case ISP_ROLE_NONE: 5479 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 5480 break; 5481 case ISP_ROLE_TARGET: 5482 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 5483 break; 5484 case ISP_ROLE_INITIATOR: 5485 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 5486 break; 5487 case ISP_ROLE_BOTH: 5488 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 5489 break; 5490 } 5491 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 5492 ccb->ccb_h.status = CAM_REQ_CMP; 5493 } else { 5494 ccb->ccb_h.status = CAM_REQ_INVALID; 5495 } 5496 xpt_done(ccb); 5497 break; 5498 } 5499 case XPT_PATH_INQ: /* Path routing inquiry */ 5500 { 5501 struct ccb_pathinq *cpi = &ccb->cpi; 5502 5503 cpi->version_num = 1; 5504 #ifdef ISP_TARGET_MODE 5505 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 5506 #else 5507 cpi->target_sprt = 0; 5508 #endif 5509 cpi->hba_eng_cnt = 0; 5510 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 5511 cpi->max_lun = ISP_MAX_LUNS(isp) - 1; 5512 cpi->bus_id = cam_sim_bus(sim); 5513 if (isp->isp_osinfo.sixtyfourbit) 5514 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 5515 else 5516 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 5517 5518 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path)); 5519 if (IS_FC(isp)) { 5520 fcparam *fcp = FCPARAM(isp, bus); 5521 5522 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 5523 5524 /* 5525 * Because our loop ID can shift from time to time, 5526 * make our initiator ID out of range of our bus. 5527 */ 5528 cpi->initiator_id = cpi->max_target + 1; 5529 5530 /* 5531 * Set base transfer capabilities for Fibre Channel, for this HBA. 5532 */ 5533 if (IS_25XX(isp)) { 5534 cpi->base_transfer_speed = 8000000; 5535 } else if (IS_24XX(isp)) { 5536 cpi->base_transfer_speed = 4000000; 5537 } else if (IS_23XX(isp)) { 5538 cpi->base_transfer_speed = 2000000; 5539 } else { 5540 cpi->base_transfer_speed = 1000000; 5541 } 5542 cpi->hba_inquiry = PI_TAG_ABLE; 5543 cpi->transport = XPORT_FC; 5544 cpi->transport_version = 0; 5545 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 5546 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 5547 cpi->xport_specific.fc.port = fcp->isp_portid; 5548 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 5549 } else { 5550 sdparam *sdp = SDPARAM(isp, bus); 5551 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 5552 cpi->hba_misc = PIM_UNMAPPED; 5553 cpi->initiator_id = sdp->isp_initiator_id; 5554 cpi->base_transfer_speed = 3300; 5555 cpi->transport = XPORT_SPI; 5556 cpi->transport_version = 2; 5557 } 5558 cpi->protocol = PROTO_SCSI; 5559 cpi->protocol_version = SCSI_REV_2; 5560 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 5561 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 5562 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 5563 cpi->unit_number = cam_sim_unit(sim); 5564 cpi->ccb_h.status = CAM_REQ_CMP; 5565 xpt_done(ccb); 5566 break; 5567 } 5568 default: 5569 ccb->ccb_h.status = CAM_REQ_INVALID; 5570 xpt_done(ccb); 5571 break; 5572 } 5573 } 5574 5575 #define ISPDDB (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB) 5576 5577 void 5578 isp_done(XS_T *sccb) 5579 { 5580 ispsoftc_t *isp = XS_ISP(sccb); 5581 uint32_t status; 5582 5583 if (XS_NOERR(sccb)) 5584 XS_SETERR(sccb, CAM_REQ_CMP); 5585 5586 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 5587 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 5588 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 5589 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 5590 } else { 5591 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 5592 } 5593 } 5594 5595 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5596 status = sccb->ccb_h.status & CAM_STATUS_MASK; 5597 if (status != CAM_REQ_CMP) { 5598 if (status != CAM_SEL_TIMEOUT) 5599 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); 5600 else if ((IS_FC(isp)) 5601 && (XS_TGT(sccb) < MAX_FC_TARG)) { 5602 fcparam *fcp; 5603 int hdlidx; 5604 5605 fcp = FCPARAM(isp, XS_CHANNEL(sccb)); 5606 hdlidx = fcp->isp_dev_map[XS_TGT(sccb)] - 1; 5607 /* 5608 * Note that we have reported that this device is 5609 * gone. If it reappears, we'll need to issue a 5610 * rescan. 5611 */ 5612 if (hdlidx > 0 && hdlidx < MAX_FC_TARG) 5613 fcp->portdb[hdlidx].reported_gone = 1; 5614 } 5615 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 5616 sccb->ccb_h.status |= CAM_DEV_QFRZN; 5617 xpt_freeze_devq(sccb->ccb_h.path, 1); 5618 } 5619 } 5620 5621 if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 5622 xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status); 5623 } 5624 5625 if (callout_active(&PISP_PCMD(sccb)->wdog)) 5626 callout_stop(&PISP_PCMD(sccb)->wdog); 5627 isp_free_pcmd(isp, (union ccb *) sccb); 5628 xpt_done((union ccb *) sccb); 5629 } 5630 5631 void 5632 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 5633 { 5634 int bus; 5635 static const char prom0[] = "Chan %d PortID 0x%06x handle 0x%x %s %s WWPN 0x%08x%08x"; 5636 static const char prom2[] = "Chan %d PortID 0x%06x handle 0x%x %s %s tgt %u WWPN 0x%08x%08x"; 5637 char buf[64]; 5638 char *msg = NULL; 5639 target_id_t tgt; 5640 fcportdb_t *lp; 5641 struct isp_fc *fc; 5642 struct cam_path *tmppath; 5643 va_list ap; 5644 5645 switch (cmd) { 5646 case ISPASYNC_NEW_TGT_PARAMS: 5647 { 5648 struct ccb_trans_settings_scsi *scsi; 5649 struct ccb_trans_settings_spi *spi; 5650 int flags, tgt; 5651 sdparam *sdp; 5652 struct ccb_trans_settings cts; 5653 5654 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 5655 5656 va_start(ap, cmd); 5657 bus = va_arg(ap, int); 5658 tgt = va_arg(ap, int); 5659 va_end(ap); 5660 sdp = SDPARAM(isp, bus); 5661 5662 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 5663 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 5664 break; 5665 } 5666 flags = sdp->isp_devparam[tgt].actv_flags; 5667 cts.type = CTS_TYPE_CURRENT_SETTINGS; 5668 cts.protocol = PROTO_SCSI; 5669 cts.transport = XPORT_SPI; 5670 5671 scsi = &cts.proto_specific.scsi; 5672 spi = &cts.xport_specific.spi; 5673 5674 if (flags & DPARM_TQING) { 5675 scsi->valid |= CTS_SCSI_VALID_TQ; 5676 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 5677 } 5678 5679 if (flags & DPARM_DISC) { 5680 spi->valid |= CTS_SPI_VALID_DISC; 5681 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 5682 } 5683 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 5684 if (flags & DPARM_WIDE) { 5685 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 5686 } else { 5687 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 5688 } 5689 if (flags & DPARM_SYNC) { 5690 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 5691 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 5692 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 5693 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 5694 } 5695 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); 5696 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 5697 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 5698 xpt_free_path(tmppath); 5699 break; 5700 } 5701 case ISPASYNC_BUS_RESET: 5702 { 5703 va_start(ap, cmd); 5704 bus = va_arg(ap, int); 5705 va_end(ap); 5706 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 5707 if (IS_FC(isp)) { 5708 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 5709 } else { 5710 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 5711 } 5712 break; 5713 } 5714 case ISPASYNC_LIP: 5715 if (msg == NULL) { 5716 msg = "LIP Received"; 5717 } 5718 /* FALLTHROUGH */ 5719 case ISPASYNC_LOOP_RESET: 5720 if (msg == NULL) { 5721 msg = "LOOP Reset"; 5722 } 5723 /* FALLTHROUGH */ 5724 case ISPASYNC_LOOP_DOWN: 5725 { 5726 if (msg == NULL) { 5727 msg = "LOOP Down"; 5728 } 5729 va_start(ap, cmd); 5730 bus = va_arg(ap, int); 5731 va_end(ap); 5732 5733 FCPARAM(isp, bus)->link_active = 0; 5734 5735 fc = ISP_FC_PC(isp, bus); 5736 if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) { 5737 /* 5738 * We don't do any simq freezing if we are only in target mode 5739 */ 5740 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) { 5741 if (fc->path) { 5742 isp_freeze_loopdown(isp, bus, msg); 5743 } 5744 if (!callout_active(&fc->ldt)) { 5745 callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc); 5746 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_uptime); 5747 } 5748 } 5749 } 5750 isp_fcp_reset_crn(fc, /*tgt*/0, /*tgt_set*/ 0); 5751 5752 isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg); 5753 break; 5754 } 5755 case ISPASYNC_LOOP_UP: 5756 va_start(ap, cmd); 5757 bus = va_arg(ap, int); 5758 va_end(ap); 5759 fc = ISP_FC_PC(isp, bus); 5760 /* 5761 * Now we just note that Loop has come up. We don't 5762 * actually do anything because we're waiting for a 5763 * Change Notify before activating the FC cleanup 5764 * thread to look at the state of the loop again. 5765 */ 5766 FCPARAM(isp, bus)->link_active = 1; 5767 fc->loop_dead = 0; 5768 fc->loop_down_time = 0; 5769 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus); 5770 break; 5771 case ISPASYNC_DEV_ARRIVED: 5772 va_start(ap, cmd); 5773 bus = va_arg(ap, int); 5774 lp = va_arg(ap, fcportdb_t *); 5775 va_end(ap); 5776 fc = ISP_FC_PC(isp, bus); 5777 lp->announced = 0; 5778 lp->gone_timer = 0; 5779 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 5780 int dbidx = lp - FCPARAM(isp, bus)->portdb; 5781 int i; 5782 5783 for (i = 0; i < MAX_FC_TARG; i++) { 5784 if (i >= FL_ID && i <= SNS_ID) { 5785 continue; 5786 } 5787 if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) { 5788 break; 5789 } 5790 } 5791 if (i < MAX_FC_TARG) { 5792 FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1; 5793 lp->dev_map_idx = i + 1; 5794 } else { 5795 isp_prt(isp, ISP_LOGWARN, "out of target ids"); 5796 isp_dump_portdb(isp, bus); 5797 } 5798 } 5799 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5800 if (lp->dev_map_idx) { 5801 tgt = lp->dev_map_idx - 1; 5802 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); 5803 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5804 isp_make_here(isp, lp, bus, tgt); 5805 } else { 5806 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "arrived", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5807 } 5808 break; 5809 case ISPASYNC_DEV_CHANGED: 5810 va_start(ap, cmd); 5811 bus = va_arg(ap, int); 5812 lp = va_arg(ap, fcportdb_t *); 5813 va_end(ap); 5814 fc = ISP_FC_PC(isp, bus); 5815 lp->announced = 0; 5816 lp->gone_timer = 0; 5817 if (isp_change_is_bad) { 5818 lp->state = FC_PORTDB_STATE_NIL; 5819 if (lp->dev_map_idx) { 5820 tgt = lp->dev_map_idx - 1; 5821 FCPARAM(isp, bus)->isp_dev_map[tgt] = 0; 5822 lp->dev_map_idx = 0; 5823 isp_prt(isp, ISP_LOGCONFIG, prom3, bus, lp->portid, tgt, "change is bad"); 5824 isp_make_gone(isp, lp, bus, tgt); 5825 } else { 5826 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5827 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "changed and departed", 5828 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5829 } 5830 } else { 5831 lp->portid = lp->new_portid; 5832 lp->prli_word3 = lp->new_prli_word3; 5833 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5834 if (lp->dev_map_idx) { 5835 int t = lp->dev_map_idx - 1; 5836 FCPARAM(isp, bus)->isp_dev_map[t] = (lp - FCPARAM(isp, bus)->portdb) + 1; 5837 tgt = lp->dev_map_idx - 1; 5838 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "changed at", tgt, 5839 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5840 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5841 } else { 5842 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "changed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5843 } 5844 } 5845 break; 5846 case ISPASYNC_DEV_STAYED: 5847 va_start(ap, cmd); 5848 bus = va_arg(ap, int); 5849 lp = va_arg(ap, fcportdb_t *); 5850 va_end(ap); 5851 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5852 if (lp->dev_map_idx) { 5853 fc = ISP_FC_PC(isp, bus); 5854 tgt = lp->dev_map_idx - 1; 5855 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "stayed at", tgt, 5856 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5857 /* 5858 * Only issue a rescan if we've actually reported 5859 * that this device is gone. 5860 */ 5861 if (lp->reported_gone != 0) { 5862 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "rescanned at", tgt, 5863 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5864 isp_make_here(isp, lp, bus, tgt); 5865 } 5866 } else { 5867 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "stayed", 5868 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5869 } 5870 break; 5871 case ISPASYNC_DEV_GONE: 5872 va_start(ap, cmd); 5873 bus = va_arg(ap, int); 5874 lp = va_arg(ap, fcportdb_t *); 5875 va_end(ap); 5876 fc = ISP_FC_PC(isp, bus); 5877 /* 5878 * If this has a virtual target and we haven't marked it 5879 * that we're going to have isp_gdt tell the OS it's gone, 5880 * set the isp_gdt timer running on it. 5881 * 5882 * If it isn't marked that isp_gdt is going to get rid of it, 5883 * announce that it's gone. 5884 * 5885 */ 5886 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5887 if (lp->dev_map_idx && lp->announced == 0) { 5888 lp->announced = 1; 5889 lp->state = FC_PORTDB_STATE_ZOMBIE; 5890 lp->gone_timer = ISP_FC_PC(isp, bus)->gone_device_time; 5891 if (fc->ready && !callout_active(&fc->gdt)) { 5892 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); 5893 callout_reset(&fc->gdt, hz, isp_gdt, fc); 5894 } 5895 tgt = lp->dev_map_idx - 1; 5896 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); 5897 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5898 } else if (lp->announced == 0) { 5899 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "departed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn); 5900 } 5901 break; 5902 case ISPASYNC_CHANGE_NOTIFY: 5903 { 5904 char *msg; 5905 int evt, nphdl, nlstate, reason; 5906 5907 va_start(ap, cmd); 5908 bus = va_arg(ap, int); 5909 evt = va_arg(ap, int); 5910 if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) { 5911 nphdl = va_arg(ap, int); 5912 nlstate = va_arg(ap, int); 5913 reason = va_arg(ap, int); 5914 } else { 5915 nphdl = NIL_HANDLE; 5916 nlstate = reason = 0; 5917 } 5918 va_end(ap); 5919 fc = ISP_FC_PC(isp, bus); 5920 5921 if (evt == ISPASYNC_CHANGE_PDB) { 5922 msg = "Chan %d Port Database Changed"; 5923 } else if (evt == ISPASYNC_CHANGE_SNS) { 5924 msg = "Chan %d Name Server Database Changed"; 5925 } else { 5926 msg = "Chan %d Other Change Notify"; 5927 } 5928 5929 /* 5930 * If the loop down timer is running, cancel it. 5931 */ 5932 if (fc->ready && callout_active(&fc->ldt)) { 5933 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_uptime); 5934 callout_stop(&fc->ldt); 5935 } 5936 isp_prt(isp, ISP_LOGINFO, msg, bus); 5937 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) { 5938 isp_freeze_loopdown(isp, bus, msg); 5939 } 5940 wakeup(fc); 5941 break; 5942 } 5943 #ifdef ISP_TARGET_MODE 5944 case ISPASYNC_TARGET_NOTIFY: 5945 { 5946 isp_notify_t *notify; 5947 va_start(ap, cmd); 5948 notify = va_arg(ap, isp_notify_t *); 5949 va_end(ap); 5950 switch (notify->nt_ncode) { 5951 case NT_ABORT_TASK: 5952 case NT_ABORT_TASK_SET: 5953 case NT_CLEAR_ACA: 5954 case NT_CLEAR_TASK_SET: 5955 case NT_LUN_RESET: 5956 case NT_TARGET_RESET: 5957 /* 5958 * These are task management functions. 5959 */ 5960 isp_handle_platform_target_tmf(isp, notify); 5961 break; 5962 case NT_BUS_RESET: 5963 case NT_LIP_RESET: 5964 case NT_LINK_UP: 5965 case NT_LINK_DOWN: 5966 /* 5967 * No action need be taken here. 5968 */ 5969 break; 5970 case NT_HBA_RESET: 5971 isp_del_all_wwn_entries(isp, ISP_NOCHAN); 5972 break; 5973 case NT_GLOBAL_LOGOUT: 5974 case NT_LOGOUT: 5975 /* 5976 * This is device arrival/departure notification 5977 */ 5978 isp_handle_platform_target_notify_ack(isp, notify); 5979 break; 5980 case NT_ARRIVED: 5981 { 5982 struct ac_contract ac; 5983 struct ac_device_changed *fc; 5984 5985 ac.contract_number = AC_CONTRACT_DEV_CHG; 5986 fc = (struct ac_device_changed *) ac.contract_data; 5987 fc->wwpn = notify->nt_wwn; 5988 fc->port = notify->nt_sid; 5989 fc->target = notify->nt_nphdl; 5990 fc->arrived = 1; 5991 xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac); 5992 break; 5993 } 5994 case NT_DEPARTED: 5995 { 5996 struct ac_contract ac; 5997 struct ac_device_changed *fc; 5998 5999 ac.contract_number = AC_CONTRACT_DEV_CHG; 6000 fc = (struct ac_device_changed *) ac.contract_data; 6001 fc->wwpn = notify->nt_wwn; 6002 fc->port = notify->nt_sid; 6003 fc->target = notify->nt_nphdl; 6004 fc->arrived = 0; 6005 xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac); 6006 break; 6007 } 6008 default: 6009 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 6010 isp_handle_platform_target_notify_ack(isp, notify); 6011 break; 6012 } 6013 break; 6014 } 6015 case ISPASYNC_TARGET_NOTIFY_ACK: 6016 { 6017 void *inot; 6018 va_start(ap, cmd); 6019 inot = va_arg(ap, void *); 6020 va_end(ap); 6021 if (isp_notify_ack(isp, inot)) { 6022 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 6023 if (tp) { 6024 tp->isp = isp; 6025 if (inot) { 6026 memcpy(tp->data, inot, sizeof (tp->data)); 6027 tp->not = tp->data; 6028 } else { 6029 tp->not = NULL; 6030 } 6031 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 6032 callout_reset(&tp->timer, 5, 6033 isp_refire_notify_ack, tp); 6034 } else { 6035 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 6036 } 6037 } 6038 break; 6039 } 6040 case ISPASYNC_TARGET_ACTION: 6041 { 6042 isphdr_t *hp; 6043 6044 va_start(ap, cmd); 6045 hp = va_arg(ap, isphdr_t *); 6046 va_end(ap); 6047 switch (hp->rqs_entry_type) { 6048 default: 6049 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type); 6050 break; 6051 case RQSTYPE_NOTIFY: 6052 if (IS_SCSI(isp)) { 6053 isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp); 6054 } else if (IS_24XX(isp)) { 6055 isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp); 6056 } else { 6057 isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp); 6058 } 6059 break; 6060 case RQSTYPE_ATIO: 6061 if (IS_24XX(isp)) { 6062 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 6063 } else { 6064 isp_handle_platform_atio(isp, (at_entry_t *) hp); 6065 } 6066 break; 6067 case RQSTYPE_ATIO2: 6068 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 6069 break; 6070 case RQSTYPE_CTIO7: 6071 case RQSTYPE_CTIO3: 6072 case RQSTYPE_CTIO2: 6073 case RQSTYPE_CTIO: 6074 isp_handle_platform_ctio(isp, hp); 6075 break; 6076 case RQSTYPE_ABTS_RCVD: 6077 { 6078 abts_t *abts = (abts_t *)hp; 6079 isp_notify_t notify, *nt = ¬ify; 6080 tstate_t *tptr; 6081 fcportdb_t *lp; 6082 uint16_t chan; 6083 uint32_t sid, did; 6084 6085 did = (abts->abts_did_hi << 16) | abts->abts_did_lo; 6086 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo; 6087 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 6088 6089 nt->nt_hba = isp; 6090 nt->nt_did = did; 6091 nt->nt_nphdl = abts->abts_nphdl; 6092 nt->nt_sid = sid; 6093 isp_find_chan_by_did(isp, did, &chan); 6094 if (chan == ISP_NOCHAN) { 6095 nt->nt_tgt = TGT_ANY; 6096 } else { 6097 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn; 6098 if (isp_find_pdb_by_loopid(isp, chan, abts->abts_nphdl, &lp)) { 6099 nt->nt_wwn = lp->port_wwn; 6100 } else { 6101 nt->nt_wwn = INI_ANY; 6102 } 6103 } 6104 /* 6105 * Try hard to find the lun for this command. 6106 */ 6107 tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task); 6108 if (tptr) { 6109 nt->nt_lun = tptr->ts_lun; 6110 rls_lun_statep(isp, tptr); 6111 } else { 6112 nt->nt_lun = LUN_ANY; 6113 } 6114 nt->nt_need_ack = 1; 6115 nt->nt_tagval = abts->abts_rxid_task; 6116 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32); 6117 if (abts->abts_rxid_task == ISP24XX_NO_TASK) { 6118 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)", 6119 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id); 6120 } else { 6121 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)", 6122 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id); 6123 } 6124 nt->nt_channel = chan; 6125 nt->nt_ncode = NT_ABORT_TASK; 6126 nt->nt_lreserved = hp; 6127 isp_handle_platform_target_tmf(isp, nt); 6128 break; 6129 } 6130 case RQSTYPE_ENABLE_LUN: 6131 case RQSTYPE_MODIFY_LUN: 6132 isp_ledone(isp, (lun_entry_t *) hp); 6133 break; 6134 } 6135 break; 6136 } 6137 #endif 6138 case ISPASYNC_FW_CRASH: 6139 { 6140 uint16_t mbox1, mbox6; 6141 mbox1 = ISP_READ(isp, OUTMAILBOX1); 6142 if (IS_DUALBUS(isp)) { 6143 mbox6 = ISP_READ(isp, OUTMAILBOX6); 6144 } else { 6145 mbox6 = 0; 6146 } 6147 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 6148 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 6149 isp->isp_osinfo.mbox_sleep_ok = 0; 6150 isp_reinit(isp, 1); 6151 isp->isp_osinfo.mbox_sleep_ok = mbox1; 6152 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 6153 break; 6154 } 6155 default: 6156 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 6157 break; 6158 } 6159 } 6160 6161 6162 /* 6163 * Locks are held before coming here. 6164 */ 6165 void 6166 isp_uninit(ispsoftc_t *isp) 6167 { 6168 if (IS_24XX(isp)) { 6169 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET); 6170 } else { 6171 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET); 6172 } 6173 ISP_DISABLE_INTS(isp); 6174 } 6175 6176 /* 6177 * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them 6178 * up from our platform default (defww{p|n}n) and morph them based upon 6179 * channel. 6180 * 6181 * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them 6182 * based upon channel. 6183 */ 6184 6185 uint64_t 6186 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 6187 { 6188 uint64_t seed; 6189 struct isp_fc *fc = ISP_FC_PC(isp, chan); 6190 6191 /* 6192 * If we're asking for a active WWN, the default overrides get 6193 * returned, otherwise the NVRAM value is picked. 6194 * 6195 * If we're asking for a default WWN, we just pick the default override. 6196 */ 6197 if (isactive) { 6198 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 6199 if (seed) { 6200 return (seed); 6201 } 6202 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram; 6203 if (seed) { 6204 return (seed); 6205 } 6206 return (0x400000007F000009ull); 6207 } 6208 6209 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 6210 6211 /* 6212 * For channel zero just return what we have. For either ACTIVE or 6213 * DEFAULT cases, we depend on default override of NVRAM values for 6214 * channel zero. 6215 */ 6216 if (chan == 0) { 6217 return (seed); 6218 } 6219 6220 /* 6221 * For other channels, we are doing one of three things: 6222 * 6223 * 1. If what we have now is non-zero, return it. Otherwise we morph 6224 * values from channel 0. 2. If we're here for a WWPN we synthesize 6225 * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a 6226 * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA. 6227 */ 6228 6229 if (seed) { 6230 return (seed); 6231 } 6232 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn; 6233 if (seed == 0) 6234 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram; 6235 6236 if (((seed >> 60) & 0xf) == 2) { 6237 /* 6238 * The type 2 NAA fields for QLogic cards appear be laid out 6239 * thusly: 6240 * 6241 * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56 6242 * port (1) or node (0) WWN distinguishor bit 48 6243 * physical port on dual-port chips (23XX/24XX) 6244 * 6245 * This is somewhat nutty, particularly since bit 48 is 6246 * irrelevant as they assign separate serial numbers to 6247 * different physical ports anyway. 6248 * 6249 * We'll stick our channel number plus one first into bits 6250 * 57..59 and thence into bits 52..55 which allows for 8 bits 6251 * of channel which is comfortably more than our maximum 6252 * (126) now. 6253 */ 6254 seed &= ~0x0FF0000000000000ULL; 6255 if (iswwnn == 0) { 6256 seed |= ((uint64_t) (chan + 1) & 0xf) << 56; 6257 seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 6258 } 6259 } else { 6260 seed = 0; 6261 } 6262 return (seed); 6263 } 6264 6265 void 6266 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 6267 { 6268 int loc; 6269 char lbuf[200]; 6270 va_list ap; 6271 6272 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 6273 return; 6274 } 6275 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 6276 loc = strlen(lbuf); 6277 va_start(ap, fmt); 6278 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 6279 va_end(ap); 6280 printf("%s\n", lbuf); 6281 } 6282 6283 void 6284 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 6285 { 6286 va_list ap; 6287 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 6288 return; 6289 } 6290 xpt_print_path(xs->ccb_h.path); 6291 va_start(ap, fmt); 6292 vprintf(fmt, ap); 6293 va_end(ap); 6294 printf("\n"); 6295 } 6296 6297 uint64_t 6298 isp_nanotime_sub(struct timespec *b, struct timespec *a) 6299 { 6300 uint64_t elapsed; 6301 struct timespec x = *b; 6302 timespecsub(&x, a); 6303 elapsed = GET_NANOSEC(&x); 6304 if (elapsed == 0) 6305 elapsed++; 6306 return (elapsed); 6307 } 6308 6309 int 6310 isp_mbox_acquire(ispsoftc_t *isp) 6311 { 6312 if (isp->isp_osinfo.mboxbsy) { 6313 return (1); 6314 } else { 6315 isp->isp_osinfo.mboxcmd_done = 0; 6316 isp->isp_osinfo.mboxbsy = 1; 6317 return (0); 6318 } 6319 } 6320 6321 void 6322 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 6323 { 6324 unsigned int usecs = mbp->timeout; 6325 unsigned int max, olim, ilim; 6326 6327 if (usecs == 0) { 6328 usecs = MBCMD_DEFAULT_TIMEOUT; 6329 } 6330 max = isp->isp_mbxwrk0 + 1; 6331 6332 if (isp->isp_osinfo.mbox_sleep_ok) { 6333 unsigned int ms = (usecs + 999) / 1000; 6334 6335 isp->isp_osinfo.mbox_sleep_ok = 0; 6336 isp->isp_osinfo.mbox_sleeping = 1; 6337 for (olim = 0; olim < max; olim++) { 6338 msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms)); 6339 if (isp->isp_osinfo.mboxcmd_done) { 6340 break; 6341 } 6342 } 6343 isp->isp_osinfo.mbox_sleep_ok = 1; 6344 isp->isp_osinfo.mbox_sleeping = 0; 6345 } else { 6346 for (olim = 0; olim < max; olim++) { 6347 for (ilim = 0; ilim < usecs; ilim += 100) { 6348 uint32_t isr; 6349 uint16_t sema, mbox; 6350 if (isp->isp_osinfo.mboxcmd_done) { 6351 break; 6352 } 6353 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 6354 isp_intr(isp, isr, sema, mbox); 6355 if (isp->isp_osinfo.mboxcmd_done) { 6356 break; 6357 } 6358 } 6359 ISP_DELAY(100); 6360 } 6361 if (isp->isp_osinfo.mboxcmd_done) { 6362 break; 6363 } 6364 } 6365 } 6366 if (isp->isp_osinfo.mboxcmd_done == 0) { 6367 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)", 6368 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno); 6369 mbp->param[0] = MBOX_TIMEOUT; 6370 isp->isp_osinfo.mboxcmd_done = 1; 6371 } 6372 } 6373 6374 void 6375 isp_mbox_notify_done(ispsoftc_t *isp) 6376 { 6377 if (isp->isp_osinfo.mbox_sleeping) { 6378 wakeup(&isp->isp_mbxworkp); 6379 } 6380 isp->isp_osinfo.mboxcmd_done = 1; 6381 } 6382 6383 void 6384 isp_mbox_release(ispsoftc_t *isp) 6385 { 6386 isp->isp_osinfo.mboxbsy = 0; 6387 } 6388 6389 int 6390 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 6391 { 6392 int ret = 0; 6393 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 6394 ret = -1; 6395 } else { 6396 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 6397 } 6398 return (ret); 6399 } 6400 6401 int 6402 isp_mstohz(int ms) 6403 { 6404 int hz; 6405 struct timeval t; 6406 t.tv_sec = ms / 1000; 6407 t.tv_usec = (ms % 1000) * 1000; 6408 hz = tvtohz(&t); 6409 if (hz < 0) { 6410 hz = 0x7fffffff; 6411 } 6412 if (hz == 0) { 6413 hz = 1; 6414 } 6415 return (hz); 6416 } 6417 6418 void 6419 isp_platform_intr(void *arg) 6420 { 6421 ispsoftc_t *isp = arg; 6422 uint32_t isr; 6423 uint16_t sema, mbox; 6424 6425 ISP_LOCK(isp); 6426 isp->isp_intcnt++; 6427 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) { 6428 isp->isp_intbogus++; 6429 } else { 6430 isp_intr(isp, isr, sema, mbox); 6431 } 6432 ISP_UNLOCK(isp); 6433 } 6434 6435 void 6436 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 6437 { 6438 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 6439 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 6440 } else { 6441 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 6442 } 6443 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 6444 } 6445 6446 /* 6447 * Reset the command reference number for all LUNs on a specific target 6448 * (needed when a target arrives again) or for all targets on a port 6449 * (needed for events like a LIP). 6450 */ 6451 void 6452 isp_fcp_reset_crn(struct isp_fc *fc, uint32_t tgt, int tgt_set) 6453 { 6454 int i; 6455 struct isp_nexus *nxp; 6456 6457 if (tgt_set == 0) 6458 isp_prt(fc->isp, ISP_LOG_SANCFG, "resetting CRN on all targets"); 6459 else 6460 isp_prt(fc->isp, ISP_LOG_SANCFG, "resetting CRN target %u", tgt); 6461 6462 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 6463 nxp = fc->nexus_hash[i]; 6464 while (nxp) { 6465 if ((tgt_set != 0) && (tgt == nxp->tgt)) 6466 nxp->crnseed = 0; 6467 6468 nxp = nxp->next; 6469 } 6470 } 6471 } 6472 6473 int 6474 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 6475 { 6476 uint32_t chan, tgt, lun; 6477 struct isp_fc *fc; 6478 struct isp_nexus *nxp; 6479 int idx; 6480 6481 if (isp->isp_type < ISP_HA_FC_2300) 6482 return (0); 6483 6484 chan = XS_CHANNEL(cmd); 6485 tgt = XS_TGT(cmd); 6486 lun = XS_LUN(cmd); 6487 fc = &isp->isp_osinfo.pc.fc[chan]; 6488 idx = NEXUS_HASH(tgt, lun); 6489 nxp = fc->nexus_hash[idx]; 6490 6491 while (nxp) { 6492 if (nxp->tgt == tgt && nxp->lun == lun) 6493 break; 6494 nxp = nxp->next; 6495 } 6496 if (nxp == NULL) { 6497 nxp = fc->nexus_free_list; 6498 if (nxp == NULL) { 6499 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 6500 if (nxp == NULL) { 6501 return (-1); 6502 } 6503 } else { 6504 fc->nexus_free_list = nxp->next; 6505 } 6506 nxp->tgt = tgt; 6507 nxp->lun = lun; 6508 nxp->next = fc->nexus_hash[idx]; 6509 fc->nexus_hash[idx] = nxp; 6510 } 6511 if (nxp) { 6512 if (nxp->crnseed == 0) 6513 nxp->crnseed = 1; 6514 if (cmd) 6515 PISP_PCMD(cmd)->crn = nxp->crnseed; 6516 *crnp = nxp->crnseed++; 6517 return (0); 6518 } 6519 return (-1); 6520 } 6521 6522 /* 6523 * We enter with the lock held 6524 */ 6525 void 6526 isp_timer(void *arg) 6527 { 6528 ispsoftc_t *isp = arg; 6529 #ifdef ISP_TARGET_MODE 6530 isp_tmcmd_restart(isp); 6531 #endif 6532 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 6533 } 6534 6535 isp_ecmd_t * 6536 isp_get_ecmd(ispsoftc_t *isp) 6537 { 6538 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 6539 if (ecmd) { 6540 isp->isp_osinfo.ecmd_free = ecmd->next; 6541 } 6542 return (ecmd); 6543 } 6544 6545 void 6546 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 6547 { 6548 ecmd->next = isp->isp_osinfo.ecmd_free; 6549 isp->isp_osinfo.ecmd_free = ecmd; 6550 } 6551