1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009-2020 Alexander Motin <mav@FreeBSD.org> 5 * Copyright (c) 1997-2009 by Matthew Jacob 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters. 32 */ 33 #include <sys/cdefs.h> 34 #include <dev/isp/isp_freebsd.h> 35 #include <sys/unistd.h> 36 #include <sys/kthread.h> 37 #include <sys/conf.h> 38 #include <sys/module.h> 39 #include <sys/ioccom.h> 40 #include <dev/isp/isp_ioctl.h> 41 #include <sys/devicestat.h> 42 #include <cam/cam_periph.h> 43 #include <cam/cam_xpt_periph.h> 44 45 MODULE_VERSION(isp, 1); 46 MODULE_DEPEND(isp, cam, 1, 1, 1); 47 int isp_announced = 0; 48 int isp_loop_down_limit = 60; /* default loop down limit */ 49 int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */ 50 int isp_gone_device_time = 30; /* grace time before reporting device lost */ 51 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 52 53 static void isp_freeze_loopdown(ispsoftc_t *, int); 54 static void isp_loop_changed(ispsoftc_t *isp, int chan); 55 static void isp_rq_check_above(ispsoftc_t *); 56 static void isp_rq_check_below(ispsoftc_t *); 57 static d_ioctl_t ispioctl; 58 static void isp_poll(struct cam_sim *); 59 static callout_func_t isp_watchdog; 60 static callout_func_t isp_gdt; 61 static task_fn_t isp_gdt_task; 62 static void isp_kthread(void *); 63 static void isp_action(struct cam_sim *, union ccb *); 64 static int isp_timer_count; 65 static void isp_timer(void *); 66 67 static struct cdevsw isp_cdevsw = { 68 .d_version = D_VERSION, 69 .d_ioctl = ispioctl, 70 .d_name = "isp", 71 }; 72 73 static int 74 isp_role_sysctl(SYSCTL_HANDLER_ARGS) 75 { 76 ispsoftc_t *isp = (ispsoftc_t *)arg1; 77 int chan = arg2; 78 int error, old, value; 79 80 value = FCPARAM(isp, chan)->role; 81 82 error = sysctl_handle_int(oidp, &value, 0, req); 83 if ((error != 0) || (req->newptr == NULL)) 84 return (error); 85 86 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 87 return (EINVAL); 88 89 ISP_LOCK(isp); 90 old = FCPARAM(isp, chan)->role; 91 92 /* We don't allow target mode switch from here. */ 93 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 94 95 /* If nothing has changed -- we are done. */ 96 if (value == old) { 97 ISP_UNLOCK(isp); 98 return (0); 99 } 100 101 /* Actually change the role. */ 102 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 103 ISP_UNLOCK(isp); 104 return (error); 105 } 106 107 static int 108 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 109 { 110 fcparam *fcp = FCPARAM(isp, chan); 111 struct isp_fc *fc = ISP_FC_PC(isp, chan); 112 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 113 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 114 char name[16]; 115 struct cam_sim *sim; 116 struct cam_path *path; 117 #ifdef ISP_TARGET_MODE 118 int i; 119 #endif 120 121 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 122 device_get_unit(isp->isp_dev), &isp->isp_lock, 123 isp->isp_maxcmds, isp->isp_maxcmds, devq); 124 if (sim == NULL) 125 return (ENOMEM); 126 127 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 128 cam_sim_free(sim, FALSE); 129 return (EIO); 130 } 131 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 132 xpt_bus_deregister(cam_sim_path(sim)); 133 cam_sim_free(sim, FALSE); 134 return (ENXIO); 135 } 136 137 ISP_LOCK(isp); 138 fc->sim = sim; 139 fc->path = path; 140 fc->isp = isp; 141 fc->ready = 1; 142 fcp->isp_use_gft_id = 1; 143 fcp->isp_use_gff_id = 1; 144 145 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0); 146 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 147 #ifdef ISP_TARGET_MODE 148 TAILQ_INIT(&fc->waitq); 149 STAILQ_INIT(&fc->ntfree); 150 for (i = 0; i < ATPDPSIZE; i++) 151 STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next); 152 LIST_INIT(&fc->atfree); 153 for (i = ATPDPSIZE-1; i >= 0; i--) 154 LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next); 155 for (i = 0; i < ATPDPHASHSIZE; i++) 156 LIST_INIT(&fc->atused[i]); 157 #endif 158 isp_loop_changed(isp, chan); 159 ISP_UNLOCK(isp); 160 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0, 161 "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 162 xpt_free_path(fc->path); 163 xpt_bus_deregister(cam_sim_path(fc->sim)); 164 cam_sim_free(fc->sim, FALSE); 165 return (ENOMEM); 166 } 167 fc->num_threads += 1; 168 if (chan > 0) { 169 snprintf(name, sizeof(name), "chan%d", chan); 170 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 171 OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 172 "Virtual channel"); 173 } 174 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 175 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 176 "World Wide Node Name"); 177 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 178 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 179 "World Wide Port Name"); 180 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 181 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 182 "Loop Down Limit"); 183 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 184 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 185 "Gone Device Time"); 186 #if defined(ISP_TARGET_MODE) && defined(DEBUG) 187 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 188 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 189 "Cause a Lost Frame on a Read"); 190 #endif 191 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 192 "role", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, 193 isp, chan, isp_role_sysctl, "I", "Current role"); 194 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 195 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 196 "Connection speed in gigabits"); 197 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 198 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 199 "Link state"); 200 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 201 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 202 "Firmware state"); 203 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 204 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 205 "Loop state"); 206 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 207 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 208 "Connection topology"); 209 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 210 "use_gft_id", CTLFLAG_RWTUN, &fcp->isp_use_gft_id, 0, 211 "Use GFT_ID during fabric scan"); 212 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 213 "use_gff_id", CTLFLAG_RWTUN, &fcp->isp_use_gff_id, 0, 214 "Use GFF_ID during fabric scan"); 215 return (0); 216 } 217 218 static void 219 isp_detach_chan(ispsoftc_t *isp, int chan) 220 { 221 struct isp_fc *fc = ISP_FC_PC(isp, chan); 222 223 xpt_free_path(fc->path); 224 xpt_bus_deregister(cam_sim_path(fc->sim)); 225 cam_sim_free(fc->sim, FALSE); 226 227 /* Wait for the channel's spawned threads to exit. */ 228 wakeup(fc); 229 while (fc->num_threads != 0) 230 mtx_sleep(&fc->num_threads, &isp->isp_lock, PRIBIO, "isp_reap", 0); 231 } 232 233 int 234 isp_attach(ispsoftc_t *isp) 235 { 236 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 237 int du = device_get_unit(isp->isp_dev); 238 int chan; 239 240 /* 241 * Create the device queue for our SIM(s). 242 */ 243 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 244 if (isp->isp_osinfo.devq == NULL) { 245 return (EIO); 246 } 247 248 for (chan = 0; chan < isp->isp_nchan; chan++) { 249 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 250 goto unwind; 251 } 252 } 253 254 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0); 255 isp_timer_count = hz >> 2; 256 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 257 258 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 259 if (isp->isp_osinfo.cdev) { 260 isp->isp_osinfo.cdev->si_drv1 = isp; 261 } 262 return (0); 263 264 unwind: 265 ISP_LOCK(isp); 266 isp->isp_osinfo.is_exiting = 1; 267 while (--chan >= 0) 268 isp_detach_chan(isp, chan); 269 ISP_UNLOCK(isp); 270 cam_simq_free(isp->isp_osinfo.devq); 271 isp->isp_osinfo.devq = NULL; 272 return (-1); 273 } 274 275 int 276 isp_detach(ispsoftc_t *isp) 277 { 278 int chan; 279 280 if (isp->isp_osinfo.cdev) { 281 destroy_dev(isp->isp_osinfo.cdev); 282 isp->isp_osinfo.cdev = NULL; 283 } 284 ISP_LOCK(isp); 285 /* Tell spawned threads that we're exiting. */ 286 isp->isp_osinfo.is_exiting = 1; 287 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 288 isp_detach_chan(isp, chan); 289 ISP_UNLOCK(isp); 290 callout_drain(&isp->isp_osinfo.tmo); 291 cam_simq_free(isp->isp_osinfo.devq); 292 return (0); 293 } 294 295 static void 296 isp_freeze_loopdown(ispsoftc_t *isp, int chan) 297 { 298 struct isp_fc *fc = ISP_FC_PC(isp, chan); 299 300 if (fc->sim == NULL) 301 return; 302 if (fc->simqfrozen == 0) { 303 isp_prt(isp, ISP_LOGDEBUG0, 304 "Chan %d Freeze simq (loopdown)", chan); 305 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 306 xpt_hold_boot(); 307 xpt_freeze_simq(fc->sim, 1); 308 } else { 309 isp_prt(isp, ISP_LOGDEBUG0, 310 "Chan %d Mark simq frozen (loopdown)", chan); 311 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 312 } 313 } 314 315 static void 316 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 317 { 318 struct isp_fc *fc = ISP_FC_PC(isp, chan); 319 320 if (fc->sim == NULL) 321 return; 322 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 323 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 324 if (wasfrozen && fc->simqfrozen == 0) { 325 isp_prt(isp, ISP_LOGDEBUG0, 326 "Chan %d Release simq", chan); 327 xpt_release_simq(fc->sim, 1); 328 xpt_release_boot(); 329 } 330 } 331 332 /* 333 * Functions to protect from request queue overflow by freezing SIM queue. 334 * XXX: freezing only one arbitrary SIM, since they all share the queue. 335 */ 336 static void 337 isp_rq_check_above(ispsoftc_t *isp) 338 { 339 struct isp_fc *fc = ISP_FC_PC(isp, 0); 340 341 if (isp->isp_rqovf || fc->sim == NULL) 342 return; 343 if (!isp_rqentry_avail(isp, QENTRY_MAX)) { 344 xpt_freeze_simq(fc->sim, 1); 345 isp->isp_rqovf = 1; 346 } 347 } 348 349 static void 350 isp_rq_check_below(ispsoftc_t *isp) 351 { 352 struct isp_fc *fc = ISP_FC_PC(isp, 0); 353 354 if (!isp->isp_rqovf || fc->sim == NULL) 355 return; 356 if (isp_rqentry_avail(isp, QENTRY_MAX)) { 357 xpt_release_simq(fc->sim, 0); 358 isp->isp_rqovf = 0; 359 } 360 } 361 362 static int 363 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 364 { 365 ispsoftc_t *isp; 366 int nr, chan, retval = ENOTTY; 367 368 isp = dev->si_drv1; 369 370 switch (c) { 371 case ISP_SDBLEV: 372 { 373 int olddblev = isp->isp_dblev; 374 isp->isp_dblev = *(int *)addr; 375 *(int *)addr = olddblev; 376 retval = 0; 377 break; 378 } 379 case ISP_GETROLE: 380 chan = *(int *)addr; 381 if (chan < 0 || chan >= isp->isp_nchan) { 382 retval = -ENXIO; 383 break; 384 } 385 *(int *)addr = FCPARAM(isp, chan)->role; 386 retval = 0; 387 break; 388 case ISP_SETROLE: 389 nr = *(int *)addr; 390 chan = nr >> 8; 391 if (chan < 0 || chan >= isp->isp_nchan) { 392 retval = -ENXIO; 393 break; 394 } 395 nr &= 0xff; 396 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 397 retval = EINVAL; 398 break; 399 } 400 ISP_LOCK(isp); 401 *(int *)addr = FCPARAM(isp, chan)->role; 402 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 403 ISP_UNLOCK(isp); 404 break; 405 406 case ISP_RESETHBA: 407 ISP_LOCK(isp); 408 isp_reinit(isp, 0); 409 ISP_UNLOCK(isp); 410 retval = 0; 411 break; 412 413 case ISP_RESCAN: 414 chan = *(intptr_t *)addr; 415 if (chan < 0 || chan >= isp->isp_nchan) { 416 retval = -ENXIO; 417 break; 418 } 419 ISP_LOCK(isp); 420 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 421 retval = EIO; 422 } else { 423 retval = 0; 424 } 425 ISP_UNLOCK(isp); 426 break; 427 428 case ISP_FC_LIP: 429 chan = *(intptr_t *)addr; 430 if (chan < 0 || chan >= isp->isp_nchan) { 431 retval = -ENXIO; 432 break; 433 } 434 ISP_LOCK(isp); 435 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 436 retval = EIO; 437 } else { 438 retval = 0; 439 } 440 ISP_UNLOCK(isp); 441 break; 442 case ISP_FC_GETDINFO: 443 { 444 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 445 fcportdb_t *lp; 446 447 if (ifc->loopid >= MAX_FC_TARG) { 448 retval = EINVAL; 449 break; 450 } 451 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 452 if (lp->state != FC_PORTDB_STATE_NIL) { 453 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 454 ifc->loopid = lp->handle; 455 ifc->portid = lp->portid; 456 ifc->node_wwn = lp->node_wwn; 457 ifc->port_wwn = lp->port_wwn; 458 retval = 0; 459 } else { 460 retval = ENODEV; 461 } 462 break; 463 } 464 case ISP_FC_GETHINFO: 465 { 466 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 467 int chan = hba->fc_channel; 468 469 if (chan < 0 || chan >= isp->isp_nchan) { 470 retval = ENXIO; 471 break; 472 } 473 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 474 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 475 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 476 hba->fc_nchannels = isp->isp_nchan; 477 hba->fc_nports = MAX_FC_TARG; 478 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 479 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 480 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 481 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 482 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 483 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 484 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 485 retval = 0; 486 break; 487 } 488 case ISP_TSK_MGMT: 489 { 490 int needmarker; 491 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 492 uint16_t nphdl; 493 isp24xx_tmf_t tmf; 494 isp24xx_statusreq_t sp; 495 fcparam *fcp; 496 fcportdb_t *lp; 497 int i; 498 499 chan = fct->chan; 500 if (chan < 0 || chan >= isp->isp_nchan) { 501 retval = -ENXIO; 502 break; 503 } 504 505 needmarker = retval = 0; 506 nphdl = fct->loopid; 507 ISP_LOCK(isp); 508 fcp = FCPARAM(isp, chan); 509 510 for (i = 0; i < MAX_FC_TARG; i++) { 511 lp = &fcp->portdb[i]; 512 if (lp->handle == nphdl) { 513 break; 514 } 515 } 516 if (i == MAX_FC_TARG) { 517 retval = ENXIO; 518 ISP_UNLOCK(isp); 519 break; 520 } 521 ISP_MEMZERO(&tmf, sizeof(tmf)); 522 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 523 tmf.tmf_header.rqs_entry_count = 1; 524 tmf.tmf_nphdl = lp->handle; 525 tmf.tmf_delay = 2; 526 tmf.tmf_timeout = 4; 527 tmf.tmf_tidlo = lp->portid; 528 tmf.tmf_tidhi = lp->portid >> 16; 529 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 530 tmf.tmf_lun[1] = fct->lun & 0xff; 531 if (fct->lun >= 256) { 532 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 533 } 534 switch (fct->action) { 535 case IPT_CLEAR_ACA: 536 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 537 break; 538 case IPT_TARGET_RESET: 539 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 540 needmarker = 1; 541 break; 542 case IPT_LUN_RESET: 543 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 544 needmarker = 1; 545 break; 546 case IPT_CLEAR_TASK_SET: 547 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 548 needmarker = 1; 549 break; 550 case IPT_ABORT_TASK_SET: 551 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 552 needmarker = 1; 553 break; 554 default: 555 retval = EINVAL; 556 break; 557 } 558 if (retval) { 559 ISP_UNLOCK(isp); 560 break; 561 } 562 563 retval = isp_exec_entry_queue(isp, &tmf, &sp, 5); 564 if (retval != 0) { 565 isp_prt(isp, ISP_LOGERR, "%s: TMF of chan %d error %d", 566 __func__, chan, retval); 567 ISP_UNLOCK(isp); 568 break; 569 } 570 571 if (sp.req_completion_status != 0) 572 retval = EIO; 573 else if (needmarker) 574 fcp->sendmarker = 1; 575 ISP_UNLOCK(isp); 576 break; 577 } 578 default: 579 break; 580 } 581 return (retval); 582 } 583 584 /* 585 * Local Inlines 586 */ 587 588 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 589 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 590 591 static ISP_INLINE int 592 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 593 { 594 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 595 if (ISP_PCMD(ccb) == NULL) { 596 return (-1); 597 } 598 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 599 return (0); 600 } 601 602 static ISP_INLINE void 603 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 604 { 605 if (ISP_PCMD(ccb)) { 606 #ifdef ISP_TARGET_MODE 607 PISP_PCMD(ccb)->datalen = 0; 608 #endif 609 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 610 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 611 ISP_PCMD(ccb) = NULL; 612 } 613 } 614 615 /* 616 * Put the target mode functions here, because some are inlines 617 */ 618 #ifdef ISP_TARGET_MODE 619 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 620 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 621 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 622 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 623 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 624 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 625 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 626 static tstate_t *create_lun_state(ispsoftc_t *, int, struct cam_path *); 627 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 628 static void isp_enable_lun(ispsoftc_t *, union ccb *); 629 static void isp_disable_lun(ispsoftc_t *, union ccb *); 630 static callout_func_t isp_refire_notify_ack; 631 static void isp_complete_ctio(ispsoftc_t *isp, union ccb *); 632 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 633 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 634 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 635 static void isp_handle_platform_ctio(ispsoftc_t *, ct7_entry_t *); 636 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 637 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 638 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 639 640 static ISP_INLINE tstate_t * 641 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 642 { 643 struct isp_fc *fc = ISP_FC_PC(isp, bus); 644 tstate_t *tptr; 645 646 SLIST_FOREACH(tptr, &fc->lun_hash[LUN_HASH_FUNC(lun)], next) { 647 if (tptr->ts_lun == lun) 648 return (tptr); 649 } 650 return (NULL); 651 } 652 653 static int 654 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 655 { 656 inot_private_data_t *ntp; 657 struct ntpdlist rq; 658 659 if (STAILQ_EMPTY(&tptr->restart_queue)) 660 return (0); 661 STAILQ_INIT(&rq); 662 STAILQ_CONCAT(&rq, &tptr->restart_queue); 663 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 664 STAILQ_REMOVE_HEAD(&rq, next); 665 isp_prt(isp, ISP_LOGTDEBUG0, 666 "%s: restarting resrc deprived %x", __func__, 667 ((at7_entry_t *)ntp->data)->at_rxid); 668 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 669 isp_put_ntpd(isp, bus, ntp); 670 if (!STAILQ_EMPTY(&tptr->restart_queue)) 671 break; 672 } 673 if (!STAILQ_EMPTY(&rq)) { 674 STAILQ_CONCAT(&rq, &tptr->restart_queue); 675 STAILQ_CONCAT(&tptr->restart_queue, &rq); 676 } 677 return (!STAILQ_EMPTY(&tptr->restart_queue)); 678 } 679 680 static void 681 isp_tmcmd_restart(ispsoftc_t *isp) 682 { 683 struct isp_fc *fc; 684 tstate_t *tptr; 685 union ccb *ccb; 686 int bus, i; 687 688 for (bus = 0; bus < isp->isp_nchan; bus++) { 689 fc = ISP_FC_PC(isp, bus); 690 for (i = 0; i < LUN_HASH_SIZE; i++) { 691 SLIST_FOREACH(tptr, &fc->lun_hash[i], next) 692 isp_atio_restart(isp, bus, tptr); 693 } 694 695 /* 696 * We only need to do this once per channel. 697 */ 698 ccb = (union ccb *)TAILQ_FIRST(&fc->waitq); 699 if (ccb != NULL) { 700 TAILQ_REMOVE(&fc->waitq, &ccb->ccb_h, sim_links.tqe); 701 isp_target_start_ctio(isp, ccb, FROM_TIMER); 702 } 703 } 704 isp_rq_check_above(isp); 705 isp_rq_check_below(isp); 706 } 707 708 static atio_private_data_t * 709 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 710 { 711 struct isp_fc *fc = ISP_FC_PC(isp, chan); 712 atio_private_data_t *atp; 713 714 atp = LIST_FIRST(&fc->atfree); 715 if (atp) { 716 LIST_REMOVE(atp, next); 717 atp->tag = tag; 718 LIST_INSERT_HEAD(&fc->atused[ATPDPHASH(tag)], atp, next); 719 } 720 return (atp); 721 } 722 723 static atio_private_data_t * 724 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 725 { 726 struct isp_fc *fc = ISP_FC_PC(isp, chan); 727 atio_private_data_t *atp; 728 729 LIST_FOREACH(atp, &fc->atused[ATPDPHASH(tag)], next) { 730 if (atp->tag == tag) 731 return (atp); 732 } 733 return (NULL); 734 } 735 736 static void 737 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 738 { 739 struct isp_fc *fc = ISP_FC_PC(isp, chan); 740 741 if (atp->ests) 742 isp_put_ecmd(isp, atp->ests); 743 LIST_REMOVE(atp, next); 744 memset(atp, 0, sizeof (*atp)); 745 LIST_INSERT_HEAD(&fc->atfree, atp, next); 746 } 747 748 static void 749 isp_dump_atpd(ispsoftc_t *isp, int chan) 750 { 751 struct isp_fc *fc = ISP_FC_PC(isp, chan); 752 atio_private_data_t *atp; 753 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 754 755 for (atp = fc->atpool; atp < &fc->atpool[ATPDPSIZE]; atp++) { 756 if (atp->state == ATPD_STATE_FREE) 757 continue; 758 isp_prt(isp, ISP_LOGALL, "Chan %d ATP [0x%x] origdlen %u bytes_xfrd %u lun %jx nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s", 759 chan, atp->tag, atp->orig_datalen, atp->bytes_xfered, (uintmax_t)atp->lun, atp->nphdl, atp->sid, atp->did, atp->oxid, states[atp->state & 0x7]); 760 } 761 } 762 763 static inot_private_data_t * 764 isp_get_ntpd(ispsoftc_t *isp, int chan) 765 { 766 struct isp_fc *fc = ISP_FC_PC(isp, chan); 767 inot_private_data_t *ntp; 768 769 ntp = STAILQ_FIRST(&fc->ntfree); 770 if (ntp) 771 STAILQ_REMOVE_HEAD(&fc->ntfree, next); 772 return (ntp); 773 } 774 775 static inot_private_data_t * 776 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 777 { 778 struct isp_fc *fc = ISP_FC_PC(isp, chan); 779 inot_private_data_t *ntp; 780 781 for (ntp = fc->ntpool; ntp < &fc->ntpool[ATPDPSIZE]; ntp++) { 782 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 783 return (ntp); 784 } 785 return (NULL); 786 } 787 788 static void 789 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 790 { 791 struct isp_fc *fc = ISP_FC_PC(isp, chan); 792 793 ntp->tag_id = ntp->seq_id = 0; 794 STAILQ_INSERT_HEAD(&fc->ntfree, ntp, next); 795 } 796 797 tstate_t * 798 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path) 799 { 800 struct isp_fc *fc = ISP_FC_PC(isp, bus); 801 lun_id_t lun; 802 tstate_t *tptr; 803 804 lun = xpt_path_lun_id(path); 805 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 806 if (tptr == NULL) 807 return (NULL); 808 tptr->ts_lun = lun; 809 SLIST_INIT(&tptr->atios); 810 SLIST_INIT(&tptr->inots); 811 STAILQ_INIT(&tptr->restart_queue); 812 SLIST_INSERT_HEAD(&fc->lun_hash[LUN_HASH_FUNC(lun)], tptr, next); 813 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 814 return (tptr); 815 } 816 817 static void 818 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 819 { 820 struct isp_fc *fc = ISP_FC_PC(isp, bus); 821 union ccb *ccb; 822 inot_private_data_t *ntp; 823 824 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 825 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 826 ccb->ccb_h.status = CAM_REQ_ABORTED; 827 xpt_done(ccb); 828 }; 829 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 830 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 831 ccb->ccb_h.status = CAM_REQ_ABORTED; 832 xpt_done(ccb); 833 } 834 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 835 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 836 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 837 isp_put_ntpd(isp, bus, ntp); 838 } 839 SLIST_REMOVE(&fc->lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], tptr, tstate, next); 840 free(tptr, M_DEVBUF); 841 } 842 843 static void 844 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 845 { 846 tstate_t *tptr; 847 int bus = XS_CHANNEL(ccb); 848 target_id_t target = ccb->ccb_h.target_id; 849 lun_id_t lun = ccb->ccb_h.target_lun; 850 851 /* 852 * We only support either target and lun both wildcard 853 * or target and lun both non-wildcard. 854 */ 855 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 856 "enabling lun %jx\n", (uintmax_t)lun); 857 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 858 ccb->ccb_h.status = CAM_LUN_INVALID; 859 xpt_done(ccb); 860 return; 861 } 862 863 /* Create the state pointer. It should not already exist. */ 864 tptr = get_lun_statep(isp, bus, lun); 865 if (tptr) { 866 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 867 xpt_done(ccb); 868 return; 869 } 870 tptr = create_lun_state(isp, bus, ccb->ccb_h.path); 871 if (tptr == NULL) { 872 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 873 xpt_done(ccb); 874 return; 875 } 876 877 ccb->ccb_h.status = CAM_REQ_CMP; 878 xpt_done(ccb); 879 } 880 881 static void 882 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 883 { 884 tstate_t *tptr; 885 int bus = XS_CHANNEL(ccb); 886 target_id_t target = ccb->ccb_h.target_id; 887 lun_id_t lun = ccb->ccb_h.target_lun; 888 889 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 890 "disabling lun %jx\n", (uintmax_t)lun); 891 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 892 ccb->ccb_h.status = CAM_LUN_INVALID; 893 xpt_done(ccb); 894 return; 895 } 896 897 /* Find the state pointer. */ 898 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 899 ccb->ccb_h.status = CAM_PATH_INVALID; 900 xpt_done(ccb); 901 return; 902 } 903 904 destroy_lun_state(isp, bus, tptr); 905 ccb->ccb_h.status = CAM_REQ_CMP; 906 xpt_done(ccb); 907 } 908 909 static void 910 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 911 { 912 int fctape, sendstatus, resid; 913 fcparam *fcp; 914 atio_private_data_t *atp; 915 struct ccb_scsiio *cso; 916 struct isp_ccbq *waitq; 917 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 918 ct7_entry_t local, *cto = &local; 919 920 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, 921 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 922 923 waitq = &ISP_FC_PC(isp, XS_CHANNEL(ccb))->waitq; 924 switch (how) { 925 case FROM_CAM: 926 /* 927 * Insert at the tail of the list, if any, waiting CTIO CCBs 928 */ 929 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 930 break; 931 case FROM_TIMER: 932 case FROM_SRR: 933 case FROM_CTIO_DONE: 934 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 935 break; 936 } 937 938 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 939 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 940 941 cso = &ccb->csio; 942 xfrlen = cso->dxfer_len; 943 if (xfrlen == 0) { 944 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 945 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 946 ccb->ccb_h.status = CAM_REQ_INVALID; 947 xpt_done(ccb); 948 continue; 949 } 950 } 951 952 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 953 if (atp == NULL) { 954 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 955 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 956 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 957 xpt_done(ccb); 958 continue; 959 } 960 961 /* 962 * Is this command a dead duck? 963 */ 964 if (atp->dead) { 965 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 966 ccb->ccb_h.status = CAM_REQ_ABORTED; 967 xpt_done(ccb); 968 continue; 969 } 970 971 /* 972 * Check to make sure we're still in target mode. 973 */ 974 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 975 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 976 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 977 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 978 xpt_done(ccb); 979 continue; 980 } 981 982 /* 983 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 984 * could be split into two CTIOs to split data and status). 985 */ 986 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 987 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); 988 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 989 break; 990 } 991 992 /* 993 * Does the initiator expect FC-Tape style responses? 994 */ 995 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 996 fctape = 1; 997 } else { 998 fctape = 0; 999 } 1000 1001 /* 1002 * If we already did the data xfer portion of a CTIO that sends data 1003 * and status, don't do it again and do the status portion now. 1004 */ 1005 if (atp->sendst) { 1006 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1007 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1008 xfrlen = 0; /* we already did the data transfer */ 1009 atp->sendst = 0; 1010 } 1011 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1012 sendstatus = 1; 1013 } else { 1014 sendstatus = 0; 1015 } 1016 1017 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1018 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1019 /* 1020 * Sense length is not the entire sense data structure size. Periph 1021 * drivers don't seem to be setting sense_len to reflect the actual 1022 * size. We'll peek inside to get the right amount. 1023 */ 1024 sense_length = cso->sense_len; 1025 1026 /* 1027 * This 'cannot' happen 1028 */ 1029 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1030 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1031 } 1032 } else { 1033 sense_length = 0; 1034 } 1035 1036 /* 1037 * Check for overflow 1038 */ 1039 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1040 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1041 isp_prt(isp, ISP_LOGERR, 1042 "%s: [0x%x] data overflow by %u bytes", __func__, 1043 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1044 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1045 xpt_done(ccb); 1046 continue; 1047 } 1048 if (xfrlen > atp->orig_datalen - tmp) { 1049 xfrlen = atp->orig_datalen - tmp; 1050 if (xfrlen == 0 && !sendstatus) { 1051 cso->resid = cso->dxfer_len; 1052 ccb->ccb_h.status = CAM_REQ_CMP; 1053 xpt_done(ccb); 1054 continue; 1055 } 1056 } 1057 1058 memset(cto, 0, QENTRY_LEN); 1059 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1060 cto->ct_header.rqs_entry_count = 1; 1061 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1062 ATPD_SET_SEQNO(cto, atp); 1063 cto->ct_nphdl = atp->nphdl; 1064 cto->ct_rxid = atp->tag; 1065 cto->ct_iid_lo = atp->sid; 1066 cto->ct_iid_hi = atp->sid >> 16; 1067 cto->ct_oxid = atp->oxid; 1068 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1069 cto->ct_timeout = XS_TIME(ccb); 1070 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1071 1072 /* 1073 * Mode 1, status, no data. Only possible when we are sending status, have 1074 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1075 * 1076 * Mode 2, status, no data. We have to use this in the case that 1077 * the sense data won't fit into a ct7_entry_t. 1078 * 1079 */ 1080 if (sendstatus && xfrlen == 0) { 1081 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1082 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1083 if (sense_length <= MAXRESPLEN_24XX) { 1084 cto->ct_flags |= CT7_FLAG_MODE1; 1085 cto->ct_scsi_status = cso->scsi_status; 1086 if (resid < 0) { 1087 cto->ct_resid = -resid; 1088 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1089 } else if (resid > 0) { 1090 cto->ct_resid = resid; 1091 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1092 } 1093 if (fctape) { 1094 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1095 } 1096 if (sense_length) { 1097 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1098 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1099 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1100 } 1101 } else { 1102 bus_addr_t addr; 1103 fcp_rsp_iu_t rp; 1104 1105 if (atp->ests == NULL) { 1106 atp->ests = isp_get_ecmd(isp); 1107 if (atp->ests == NULL) { 1108 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1109 break; 1110 } 1111 } 1112 memset(&rp, 0, sizeof(rp)); 1113 if (fctape) { 1114 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1115 rp.fcp_rsp_bits |= FCP_CONF_REQ; 1116 } 1117 cto->ct_flags |= CT7_FLAG_MODE2; 1118 rp.fcp_rsp_scsi_status = cso->scsi_status; 1119 if (resid < 0) { 1120 rp.fcp_rsp_resid = -resid; 1121 rp.fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1122 } else if (resid > 0) { 1123 rp.fcp_rsp_resid = resid; 1124 rp.fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1125 } 1126 if (sense_length) { 1127 rp.fcp_rsp_snslen = sense_length; 1128 cto->ct_senselen = sense_length; 1129 rp.fcp_rsp_bits |= FCP_SNSLEN_VALID; 1130 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1131 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1132 } else { 1133 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1134 } 1135 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1136 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1137 } 1138 bus_dmamap_sync(isp->isp_osinfo.ecmd_dmat, isp->isp_osinfo.ecmd_map, BUS_DMASYNC_PREWRITE); 1139 addr = isp->isp_osinfo.ecmd_dma; 1140 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1141 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, 1142 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1143 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1144 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1145 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1146 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1147 } 1148 if (sense_length) { 1149 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__, 1150 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, 1151 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1152 } else { 1153 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1154 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1155 } 1156 atp->state = ATPD_STATE_LAST_CTIO; 1157 } 1158 1159 /* 1160 * Mode 0 data transfers, *possibly* with status. 1161 */ 1162 if (xfrlen != 0) { 1163 cto->ct_flags |= CT7_FLAG_MODE0; 1164 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1165 cto->ct_flags |= CT7_DATA_IN; 1166 } else { 1167 cto->ct_flags |= CT7_DATA_OUT; 1168 } 1169 1170 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1171 cto->rsp.m0.ct_xfrlen = xfrlen; 1172 1173 #ifdef DEBUG 1174 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1175 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1176 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1177 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1178 } 1179 #endif 1180 if (sendstatus) { 1181 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1182 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1183 cto->ct_flags |= CT7_SENDSTATUS; 1184 atp->state = ATPD_STATE_LAST_CTIO; 1185 if (fctape) { 1186 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1187 } 1188 } else { 1189 atp->sendst = 1; /* send status later */ 1190 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1191 atp->state = ATPD_STATE_CTIO; 1192 } 1193 } else { 1194 atp->state = ATPD_STATE_CTIO; 1195 } 1196 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__, 1197 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1198 } 1199 1200 if (isp_get_pcmd(isp, ccb)) { 1201 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1202 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1203 break; 1204 } 1205 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1206 if (handle == 0) { 1207 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1208 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1209 isp_free_pcmd(isp, ccb); 1210 break; 1211 } 1212 atp->bytes_in_transit += xfrlen; 1213 PISP_PCMD(ccb)->datalen = xfrlen; 1214 1215 /* 1216 * Call the dma setup routines for this entry (and any subsequent 1217 * CTIOs) if there's data to move, and then tell the f/w it's got 1218 * new things to play with. As with isp_start's usage of DMA setup, 1219 * any swizzling is done in the machine dependent layer. Because 1220 * of this, we put the request onto the queue area first in native 1221 * format. 1222 */ 1223 cto->ct_syshandle = handle; 1224 dmaresult = ISP_DMASETUP(isp, cso, cto); 1225 if (dmaresult != 0) { 1226 isp_destroy_handle(isp, handle); 1227 isp_free_pcmd(isp, ccb); 1228 if (dmaresult == CMD_EAGAIN) { 1229 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1230 break; 1231 } 1232 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1233 xpt_done(ccb); 1234 continue; 1235 } 1236 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1237 if (xfrlen) { 1238 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1239 } else { 1240 ccb->ccb_h.spriv_field0 = ~0; 1241 } 1242 atp->ctcnt++; 1243 atp->seqno++; 1244 } 1245 } 1246 1247 static void 1248 isp_refire_notify_ack(void *arg) 1249 { 1250 isp_tna_t *tp = arg; 1251 ispsoftc_t *isp = tp->isp; 1252 1253 ISP_ASSERT_LOCKED(isp); 1254 if (isp_notify_ack(isp, tp->not)) { 1255 callout_schedule(&tp->timer, 5); 1256 } else { 1257 free(tp, M_DEVBUF); 1258 } 1259 } 1260 1261 1262 static void 1263 isp_complete_ctio(ispsoftc_t *isp, union ccb *ccb) 1264 { 1265 1266 isp_rq_check_below(isp); 1267 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1268 xpt_done(ccb); 1269 } 1270 1271 static void 1272 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1273 { 1274 int cdbxlen; 1275 lun_id_t lun; 1276 uint16_t chan, nphdl = NIL_HANDLE; 1277 uint32_t did, sid; 1278 fcportdb_t *lp; 1279 tstate_t *tptr; 1280 struct ccb_accept_tio *atiop; 1281 atio_private_data_t *atp = NULL; 1282 atio_private_data_t *oatp; 1283 inot_private_data_t *ntp; 1284 1285 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1286 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1287 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1288 1289 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1290 /* Channel has to be derived from D_ID */ 1291 isp_find_chan_by_did(isp, did, &chan); 1292 if (chan == ISP_NOCHAN) { 1293 isp_prt(isp, ISP_LOGWARN, 1294 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1295 __func__, aep->at_rxid, did); 1296 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1297 ECMD_TERMINATE, 0); 1298 return; 1299 } 1300 } else { 1301 chan = 0; 1302 } 1303 1304 /* 1305 * Find the PDB entry for this initiator 1306 */ 1307 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1308 /* 1309 * If we're not in the port database terminate the exchange. 1310 */ 1311 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", 1312 __func__, aep->at_rxid, did, chan, sid); 1313 isp_dump_portdb(isp, chan); 1314 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1315 return; 1316 } 1317 nphdl = lp->handle; 1318 1319 /* 1320 * Get the tstate pointer 1321 */ 1322 tptr = get_lun_statep(isp, chan, lun); 1323 if (tptr == NULL) { 1324 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1325 if (tptr == NULL) { 1326 isp_prt(isp, ISP_LOGWARN, 1327 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1328 __func__, aep->at_rxid, (uintmax_t)lun); 1329 if (lun == 0) { 1330 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1331 } else { 1332 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1333 } 1334 return; 1335 } 1336 } 1337 1338 /* 1339 * Start any commands pending resources first. 1340 */ 1341 if (isp_atio_restart(isp, chan, tptr)) 1342 goto noresrc; 1343 1344 /* 1345 * If the f/w is out of resources, just send a BUSY status back. 1346 */ 1347 if (aep->at_rxid == AT7_NORESRC_RXID) { 1348 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1349 return; 1350 } 1351 1352 /* 1353 * If we're out of resources, just send a BUSY status back. 1354 */ 1355 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1356 if (atiop == NULL) { 1357 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1358 goto noresrc; 1359 } 1360 1361 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1362 if (oatp) { 1363 isp_prt(isp, oatp->state == ATPD_STATE_LAST_CTIO ? ISP_LOGTDEBUG0 : 1364 ISP_LOGWARN, "[0x%x] tag wraparound (N-Port Handle " 1365 "0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d", 1366 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1367 /* 1368 * It's not a "no resource" condition- but we can treat it like one 1369 */ 1370 goto noresrc; 1371 } 1372 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1373 if (atp == NULL) { 1374 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1375 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1376 return; 1377 } 1378 atp->word3 = lp->prli_word3; 1379 atp->state = ATPD_STATE_ATIO; 1380 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1381 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1382 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1383 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1384 atiop->ccb_h.target_lun = lun; 1385 atiop->sense_len = 0; 1386 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1387 if (cdbxlen) { 1388 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1389 } 1390 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1391 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1392 atiop->cdb_len = cdbxlen; 1393 atiop->ccb_h.status = CAM_CDB_RECVD; 1394 atiop->tag_id = atp->tag; 1395 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1396 case FCP_CMND_TASK_ATTR_SIMPLE: 1397 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1398 atiop->tag_action = MSG_SIMPLE_TASK; 1399 break; 1400 case FCP_CMND_TASK_ATTR_HEAD: 1401 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1402 atiop->tag_action = MSG_HEAD_OF_QUEUE_TASK; 1403 break; 1404 case FCP_CMND_TASK_ATTR_ORDERED: 1405 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1406 atiop->tag_action = MSG_ORDERED_TASK; 1407 break; 1408 case FCP_CMND_TASK_ATTR_ACA: 1409 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1410 atiop->tag_action = MSG_ACA_TASK; 1411 break; 1412 case FCP_CMND_TASK_ATTR_UNTAGGED: 1413 default: 1414 atiop->tag_action = 0; 1415 break; 1416 } 1417 atiop->priority = (aep->at_cmnd.fcp_cmnd_task_attribute & 1418 FCP_CMND_PRIO_MASK) >> FCP_CMND_PRIO_SHIFT; 1419 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1420 atp->bytes_xfered = 0; 1421 atp->lun = lun; 1422 atp->nphdl = nphdl; 1423 atp->sid = sid; 1424 atp->did = did; 1425 atp->oxid = aep->at_hdr.ox_id; 1426 atp->rxid = aep->at_hdr.rx_id; 1427 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1428 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1429 atp->state = ATPD_STATE_CAM; 1430 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1431 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1432 xpt_done((union ccb *)atiop); 1433 return; 1434 noresrc: 1435 KASSERT(atp == NULL, ("%s: atp is not NULL on noresrc!\n", __func__)); 1436 ntp = isp_get_ntpd(isp, chan); 1437 if (ntp == NULL) { 1438 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1439 return; 1440 } 1441 memcpy(ntp->data, aep, QENTRY_LEN); 1442 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1443 } 1444 1445 1446 /* 1447 * Handle starting an SRR (sequence retransmit request) 1448 * We get here when we've gotten the immediate notify 1449 * and the return of all outstanding CTIOs for this 1450 * transaction. 1451 */ 1452 static void 1453 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1454 { 1455 in_fcentry_24xx_t *inot; 1456 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1457 union ccb *ccb; 1458 1459 inot = (in_fcentry_24xx_t *)atp->srr; 1460 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1461 ccb = atp->srr_ccb; 1462 atp->srr_ccb = NULL; 1463 atp->nsrr++; 1464 if (ccb == NULL) { 1465 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1466 goto fail; 1467 } 1468 1469 ccb_off = ccb->ccb_h.spriv_field0; 1470 ccb_len = ccb->csio.dxfer_len; 1471 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1472 1473 switch (inot->in_srr_iu) { 1474 case R_CTL_INFO_SOLICITED_DATA: 1475 /* 1476 * We have to restart a FCP_DATA data out transaction 1477 */ 1478 atp->sendst = 0; 1479 atp->bytes_xfered = srr_off; 1480 if (ccb_len == 0) { 1481 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 1482 goto mdp; 1483 } 1484 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 1485 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); 1486 goto mdp; 1487 } 1488 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); 1489 break; 1490 case R_CTL_INFO_COMMAND_STATUS: 1491 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 1492 atp->sendst = 1; 1493 /* 1494 * We have to restart a FCP_RSP IU transaction 1495 */ 1496 break; 1497 case R_CTL_INFO_DATA_DESCRIPTOR: 1498 /* 1499 * We have to restart an FCP DATA in transaction 1500 */ 1501 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 1502 goto fail; 1503 1504 default: 1505 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 1506 goto fail; 1507 } 1508 1509 /* 1510 * We can't do anything until this is acked, so we might as well start it now. 1511 * We aren't going to do the usual asynchronous ack issue because we need 1512 * to make sure this gets on the wire first. 1513 */ 1514 if (isp_notify_ack(isp, inot)) { 1515 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 1516 goto fail; 1517 } 1518 isp_target_start_ctio(isp, ccb, FROM_SRR); 1519 return; 1520 fail: 1521 inot->in_reserved = 1; 1522 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 1523 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1524 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1525 isp_complete_ctio(isp, ccb); 1526 return; 1527 mdp: 1528 if (isp_notify_ack(isp, inot)) { 1529 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 1530 goto fail; 1531 } 1532 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1533 ccb->ccb_h.status |= CAM_MESSAGE_RECV; 1534 /* 1535 * This is not a strict interpretation of MDP, but it's close 1536 */ 1537 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 1538 ccb->csio.msg_len = 7; 1539 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 1540 ccb->csio.msg_ptr[1] = 5; 1541 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 1542 ccb->csio.msg_ptr[3] = srr_off >> 24; 1543 ccb->csio.msg_ptr[4] = srr_off >> 16; 1544 ccb->csio.msg_ptr[5] = srr_off >> 8; 1545 ccb->csio.msg_ptr[6] = srr_off; 1546 isp_complete_ctio(isp, ccb); 1547 } 1548 1549 1550 static void 1551 isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 1552 { 1553 in_fcentry_24xx_t *inot = notify->nt_lreserved; 1554 atio_private_data_t *atp; 1555 uint32_t tag = notify->nt_tagval & 0xffffffff; 1556 1557 atp = isp_find_atpd(isp, notify->nt_channel, tag); 1558 if (atp == NULL) { 1559 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 1560 __func__, tag); 1561 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 1562 return; 1563 } 1564 atp->srr_notify_rcvd = 1; 1565 memcpy(atp->srr, inot, sizeof (atp->srr)); 1566 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 1567 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 1568 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 1569 if (atp->srr_ccb) 1570 isp_handle_srr_start(isp, atp); 1571 } 1572 1573 static void 1574 isp_handle_platform_ctio(ispsoftc_t *isp, ct7_entry_t *ct) 1575 { 1576 union ccb *ccb; 1577 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 1578 atio_private_data_t *atp = NULL; 1579 int bus; 1580 uint32_t handle, data_requested, resid; 1581 1582 handle = ct->ct_syshandle; 1583 ccb = isp_find_xs(isp, handle); 1584 if (ccb == NULL) { 1585 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, ct); 1586 return; 1587 } 1588 isp_destroy_handle(isp, handle); 1589 resid = data_requested = PISP_PCMD(ccb)->datalen; 1590 isp_free_pcmd(isp, ccb); 1591 1592 bus = XS_CHANNEL(ccb); 1593 atp = isp_find_atpd(isp, bus, ct->ct_rxid); 1594 if (atp == NULL) { 1595 /* 1596 * XXX: isp_clear_commands() generates fake CTIO with zero 1597 * ct_rxid value, filling only ct_syshandle. Workaround 1598 * that using tag_id from the CCB, pointed by ct_syshandle. 1599 */ 1600 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 1601 } 1602 if (atp == NULL) { 1603 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 1604 return; 1605 } 1606 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 1607 atp->bytes_in_transit -= data_requested; 1608 atp->ctcnt -= 1; 1609 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1610 1611 if (ct->ct_nphdl == CT7_SRR) { 1612 atp->srr_ccb = ccb; 1613 if (atp->srr_notify_rcvd) 1614 isp_handle_srr_start(isp, atp); 1615 return; 1616 } 1617 if (ct->ct_nphdl == CT_HBA_RESET) { 1618 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 1619 (atp->sendst == 0); 1620 failure = CAM_UNREC_HBA_ERROR; 1621 } else { 1622 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 1623 ok = (ct->ct_nphdl == CT7_OK); 1624 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 1625 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 1626 resid = ct->ct_resid; 1627 } 1628 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), 1629 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 1630 if (ok) { 1631 if (data_requested > 0) { 1632 atp->bytes_xfered += data_requested - resid; 1633 ccb->csio.resid = ccb->csio.dxfer_len - 1634 (data_requested - resid); 1635 } 1636 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 1637 ccb->ccb_h.status |= CAM_SENT_SENSE; 1638 ccb->ccb_h.status |= CAM_REQ_CMP; 1639 } else { 1640 notify_cam = 1; 1641 if (failure == CAM_UNREC_HBA_ERROR) 1642 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 1643 else 1644 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1645 } 1646 atp->state = ATPD_STATE_PDON; 1647 1648 /* 1649 * We never *not* notify CAM when there has been any error (ok == 0), 1650 * so we never need to do an ATIO putback if we're not notifying CAM. 1651 */ 1652 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 1653 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 1654 if (notify_cam == 0) { 1655 if (atp->sendst) { 1656 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 1657 } 1658 return; 1659 } 1660 1661 /* 1662 * We are done with this ATIO if we successfully sent status. 1663 * In all other cases expect either another CTIO or XPT_ABORT. 1664 */ 1665 if (ok && sentstatus) 1666 isp_put_atpd(isp, bus, atp); 1667 1668 /* 1669 * We're telling CAM we're done with this CTIO transaction. 1670 * 1671 * 24XX cards never need an ATIO put back. 1672 */ 1673 isp_complete_ctio(isp, ccb); 1674 } 1675 1676 static int 1677 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 1678 { 1679 ct7_entry_t local, *cto = &local; 1680 1681 if (isp->isp_state != ISP_RUNSTATE) { 1682 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 1683 return (0); 1684 } 1685 1686 /* 1687 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 1688 */ 1689 if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 1690 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 1691 fcportdb_t *lp; 1692 uint32_t sid; 1693 uint16_t nphdl; 1694 1695 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1696 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 1697 nphdl = lp->handle; 1698 } else { 1699 nphdl = NIL_HANDLE; 1700 } 1701 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 1702 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1703 cto->ct_header.rqs_entry_count = 1; 1704 cto->ct_nphdl = nphdl; 1705 cto->ct_rxid = aep->at_rxid; 1706 cto->ct_vpidx = mp->nt_channel; 1707 cto->ct_iid_lo = sid; 1708 cto->ct_iid_hi = sid >> 16; 1709 cto->ct_oxid = aep->at_hdr.ox_id; 1710 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 1711 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 1712 if (rsp != 0) { 1713 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 1714 cto->rsp.m1.ct_resplen = 4; 1715 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 1716 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 1717 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 1718 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 1719 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 1720 } 1721 return (isp_send_entry(isp, cto)); 1722 } 1723 1724 /* 1725 * This case is for a responding to an ABTS frame 1726 */ 1727 if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 1728 1729 /* 1730 * Overload nt_need_ack here to mark whether we've terminated the associated command. 1731 */ 1732 if (mp->nt_need_ack) { 1733 abts_t *abts = (abts_t *)mp->nt_lreserved; 1734 1735 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 1736 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 1737 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1738 cto->ct_header.rqs_entry_count = 1; 1739 cto->ct_nphdl = mp->nt_nphdl; 1740 cto->ct_rxid = abts->abts_rxid_task; 1741 cto->ct_iid_lo = mp->nt_sid; 1742 cto->ct_iid_hi = mp->nt_sid >> 16; 1743 cto->ct_oxid = abts->abts_ox_id; 1744 cto->ct_vpidx = mp->nt_channel; 1745 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 1746 if (isp_send_entry(isp, cto)) { 1747 return (ENOMEM); 1748 } 1749 mp->nt_need_ack = 0; 1750 } 1751 return (isp_acknak_abts(isp, mp->nt_lreserved, 0)); 1752 } 1753 1754 /* 1755 * General purpose acknowledgement 1756 */ 1757 if (mp->nt_need_ack) { 1758 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 1759 /* 1760 * Don't need to use the guaranteed send because the caller can retry 1761 */ 1762 return (isp_notify_ack(isp, mp->nt_lreserved)); 1763 } 1764 return (0); 1765 } 1766 1767 /* 1768 * Handle task management functions. 1769 * 1770 * We show up here with a notify structure filled out. 1771 * 1772 * The nt_lreserved tag points to the original queue entry 1773 */ 1774 static void 1775 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 1776 { 1777 tstate_t *tptr; 1778 fcportdb_t *lp; 1779 struct ccb_immediate_notify *inot; 1780 inot_private_data_t *ntp = NULL; 1781 atio_private_data_t *atp; 1782 lun_id_t lun; 1783 1784 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode, 1785 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 1786 if (notify->nt_lun == LUN_ANY) { 1787 if (notify->nt_tagval == TAG_ANY) { 1788 lun = CAM_LUN_WILDCARD; 1789 } else { 1790 atp = isp_find_atpd(isp, notify->nt_channel, 1791 notify->nt_tagval & 0xffffffff); 1792 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 1793 } 1794 } else { 1795 lun = notify->nt_lun; 1796 } 1797 tptr = get_lun_statep(isp, notify->nt_channel, lun); 1798 if (tptr == NULL) { 1799 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 1800 if (tptr == NULL) { 1801 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 1802 goto bad; 1803 } 1804 } 1805 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 1806 if (inot == NULL) { 1807 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 1808 goto bad; 1809 } 1810 1811 inot->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1812 inot->ccb_h.target_lun = lun; 1813 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 1814 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 1815 inot->initiator_id = CAM_TARGET_WILDCARD; 1816 } else { 1817 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 1818 } 1819 inot->seq_id = notify->nt_tagval; 1820 inot->tag_id = notify->nt_tagval >> 32; 1821 1822 switch (notify->nt_ncode) { 1823 case NT_ABORT_TASK: 1824 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 1825 inot->arg = MSG_ABORT_TASK; 1826 break; 1827 case NT_ABORT_TASK_SET: 1828 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 1829 inot->arg = MSG_ABORT_TASK_SET; 1830 break; 1831 case NT_CLEAR_ACA: 1832 inot->arg = MSG_CLEAR_ACA; 1833 break; 1834 case NT_CLEAR_TASK_SET: 1835 inot->arg = MSG_CLEAR_TASK_SET; 1836 break; 1837 case NT_LUN_RESET: 1838 inot->arg = MSG_LOGICAL_UNIT_RESET; 1839 break; 1840 case NT_TARGET_RESET: 1841 inot->arg = MSG_TARGET_RESET; 1842 break; 1843 case NT_QUERY_TASK_SET: 1844 inot->arg = MSG_QUERY_TASK_SET; 1845 break; 1846 case NT_QUERY_ASYNC_EVENT: 1847 inot->arg = MSG_QUERY_ASYNC_EVENT; 1848 break; 1849 default: 1850 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); 1851 goto bad; 1852 } 1853 1854 ntp = isp_get_ntpd(isp, notify->nt_channel); 1855 if (ntp == NULL) { 1856 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 1857 goto bad; 1858 } 1859 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 1860 if (notify->nt_lreserved) { 1861 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 1862 ntp->nt.nt_lreserved = &ntp->data; 1863 } 1864 ntp->seq_id = notify->nt_tagval; 1865 ntp->tag_id = notify->nt_tagval >> 32; 1866 1867 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 1868 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 1869 inot->ccb_h.status = CAM_MESSAGE_RECV; 1870 xpt_done((union ccb *)inot); 1871 return; 1872 bad: 1873 if (notify->nt_need_ack) { 1874 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 1875 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 1876 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 1877 } 1878 } else { 1879 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 1880 } 1881 } 1882 } 1883 1884 static void 1885 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 1886 { 1887 struct isp_fc *fc = ISP_FC_PC(isp, chan); 1888 atio_private_data_t *atp; 1889 inot_private_data_t *ntp, *tmp; 1890 uint32_t this_tag_id; 1891 1892 /* 1893 * First, clean any commands pending restart 1894 */ 1895 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 1896 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 1897 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 1898 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 1899 ECMD_TERMINATE, 0); 1900 isp_put_ntpd(isp, chan, ntp); 1901 STAILQ_REMOVE(&tptr->restart_queue, ntp, 1902 inot_private_data, next); 1903 } 1904 } 1905 1906 /* 1907 * Now mark other ones dead as well. 1908 */ 1909 for (atp = fc->atpool; atp < &fc->atpool[ATPDPSIZE]; atp++) { 1910 if (atp->lun != tptr->ts_lun) 1911 continue; 1912 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 1913 atp->dead = 1; 1914 } 1915 } 1916 #endif 1917 1918 static void 1919 isp_poll(struct cam_sim *sim) 1920 { 1921 ispsoftc_t *isp = cam_sim_softc(sim); 1922 1923 ISP_RUN_ISR(isp); 1924 } 1925 1926 1927 static void 1928 isp_watchdog(void *arg) 1929 { 1930 struct ccb_scsiio *xs = arg; 1931 ispsoftc_t *isp; 1932 uint32_t ohandle = ISP_HANDLE_FREE, handle; 1933 1934 isp = XS_ISP(xs); 1935 1936 handle = isp_find_handle(isp, xs); 1937 1938 /* 1939 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 1940 */ 1941 if (handle != ISP_HANDLE_FREE) { 1942 ISP_RUN_ISR(isp); 1943 ohandle = handle; 1944 handle = isp_find_handle(isp, xs); 1945 } 1946 if (handle != ISP_HANDLE_FREE) { 1947 /* 1948 * Try and make sure the command is really dead before 1949 * we release the handle (and DMA resources) for reuse. 1950 * 1951 * If we are successful in aborting the command then 1952 * we're done here because we'll get the command returned 1953 * back separately. 1954 */ 1955 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 1956 return; 1957 } 1958 1959 /* 1960 * Note that after calling the above, the command may in 1961 * fact have been completed. 1962 */ 1963 xs = isp_find_xs(isp, handle); 1964 1965 /* 1966 * If the command no longer exists, then we won't 1967 * be able to find the xs again with this handle. 1968 */ 1969 if (xs == NULL) { 1970 return; 1971 } 1972 1973 /* 1974 * After this point, the command is really dead. 1975 */ 1976 ISP_DMAFREE(isp, xs); 1977 isp_destroy_handle(isp, handle); 1978 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 1979 XS_SETERR(xs, CAM_CMD_TIMEOUT); 1980 isp_done(xs); 1981 } else { 1982 if (ohandle != ISP_HANDLE_FREE) { 1983 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 1984 } else { 1985 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 1986 } 1987 } 1988 } 1989 1990 static void 1991 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 1992 { 1993 union ccb *ccb; 1994 struct isp_fc *fc = ISP_FC_PC(isp, chan); 1995 1996 /* 1997 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 1998 */ 1999 ccb = xpt_alloc_ccb_nowait(); 2000 if (ccb == NULL) { 2001 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2002 return; 2003 } 2004 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2005 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2006 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2007 xpt_free_ccb(ccb); 2008 return; 2009 } 2010 xpt_rescan(ccb); 2011 } 2012 2013 static void 2014 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2015 { 2016 struct cam_path *tp; 2017 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2018 2019 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2020 xpt_async(AC_LOST_DEVICE, tp, NULL); 2021 xpt_free_path(tp); 2022 } 2023 } 2024 2025 /* 2026 * Gone Device Timer Function- when we have decided that a device has gone 2027 * away, we wait a specific period of time prior to telling the OS it has 2028 * gone away. 2029 * 2030 * This timer function fires once a second and then scans the port database 2031 * for devices that are marked dead but still have a virtual target assigned. 2032 * We decrement a counter for that port database entry, and when it hits zero, 2033 * we tell the OS the device has gone away. 2034 */ 2035 static void 2036 isp_gdt(void *arg) 2037 { 2038 struct isp_fc *fc = arg; 2039 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2040 } 2041 2042 static void 2043 isp_gdt_task(void *arg, int pending) 2044 { 2045 struct isp_fc *fc = arg; 2046 ispsoftc_t *isp = fc->isp; 2047 int chan = fc - ISP_FC_PC(isp, 0); 2048 fcportdb_t *lp; 2049 struct ac_contract ac; 2050 struct ac_device_changed *adc; 2051 int dbidx, more_to_do = 0; 2052 2053 ISP_LOCK(isp); 2054 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2055 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2056 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2057 2058 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2059 continue; 2060 } 2061 if (lp->gone_timer != 0) { 2062 lp->gone_timer -= 1; 2063 more_to_do++; 2064 continue; 2065 } 2066 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2067 if (lp->is_target) { 2068 lp->is_target = 0; 2069 isp_make_gone(isp, lp, chan, dbidx); 2070 } 2071 if (lp->is_initiator) { 2072 lp->is_initiator = 0; 2073 ac.contract_number = AC_CONTRACT_DEV_CHG; 2074 adc = (struct ac_device_changed *) ac.contract_data; 2075 adc->wwpn = lp->port_wwn; 2076 adc->port = lp->portid; 2077 adc->target = dbidx; 2078 adc->arrived = 0; 2079 xpt_async(AC_CONTRACT, fc->path, &ac); 2080 } 2081 lp->state = FC_PORTDB_STATE_NIL; 2082 } 2083 if (fc->ready) { 2084 if (more_to_do) { 2085 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2086 } else { 2087 callout_deactivate(&fc->gdt); 2088 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2089 } 2090 } 2091 ISP_UNLOCK(isp); 2092 } 2093 2094 /* 2095 * When loop goes down we remember the time and freeze CAM command queue. 2096 * During some time period we are trying to reprobe the loop. But if we 2097 * fail, we tell the OS that devices have gone away and drop the freeze. 2098 * 2099 * We don't clear the devices out of our port database because, when loop 2100 * come back up, we have to do some actual cleanup with the chip at that 2101 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2102 */ 2103 static void 2104 isp_loop_changed(ispsoftc_t *isp, int chan) 2105 { 2106 fcparam *fcp = FCPARAM(isp, chan); 2107 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2108 2109 if (fc->loop_down_time) 2110 return; 2111 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2112 if (fcp->role & ISP_ROLE_INITIATOR) 2113 isp_freeze_loopdown(isp, chan); 2114 fc->loop_down_time = time_uptime; 2115 wakeup(fc); 2116 } 2117 2118 static void 2119 isp_loop_up(ispsoftc_t *isp, int chan) 2120 { 2121 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2122 2123 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2124 fc->loop_seen_once = 1; 2125 fc->loop_down_time = 0; 2126 isp_unfreeze_loopdown(isp, chan); 2127 } 2128 2129 static void 2130 isp_loop_dead(ispsoftc_t *isp, int chan) 2131 { 2132 fcparam *fcp = FCPARAM(isp, chan); 2133 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2134 fcportdb_t *lp; 2135 struct ac_contract ac; 2136 struct ac_device_changed *adc; 2137 int dbidx, i; 2138 2139 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2140 2141 /* 2142 * Notify to the OS all targets who we now consider have departed. 2143 */ 2144 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2145 lp = &fcp->portdb[dbidx]; 2146 2147 if (lp->state == FC_PORTDB_STATE_NIL) 2148 continue; 2149 2150 for (i = 0; i < ISP_HANDLE_NUM(isp); i++) { 2151 struct ccb_scsiio *xs; 2152 2153 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2154 continue; 2155 } 2156 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2157 continue; 2158 } 2159 if (dbidx != XS_TGT(xs)) { 2160 continue; 2161 } 2162 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2163 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2164 (uintmax_t)XS_LUN(xs)); 2165 2166 /* 2167 * Just like in isp_watchdog, abort the outstanding 2168 * command or immediately free its resources if it is 2169 * not active 2170 */ 2171 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2172 continue; 2173 } 2174 2175 ISP_DMAFREE(isp, xs); 2176 isp_destroy_handle(isp, isp->isp_xflist[i].handle); 2177 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed", 2178 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2179 (uintmax_t)XS_LUN(xs)); 2180 XS_SETERR(xs, HBA_BUSRESET); 2181 isp_done(xs); 2182 } 2183 2184 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2185 if (lp->is_target) { 2186 lp->is_target = 0; 2187 isp_make_gone(isp, lp, chan, dbidx); 2188 } 2189 if (lp->is_initiator) { 2190 lp->is_initiator = 0; 2191 ac.contract_number = AC_CONTRACT_DEV_CHG; 2192 adc = (struct ac_device_changed *) ac.contract_data; 2193 adc->wwpn = lp->port_wwn; 2194 adc->port = lp->portid; 2195 adc->target = dbidx; 2196 adc->arrived = 0; 2197 xpt_async(AC_CONTRACT, fc->path, &ac); 2198 } 2199 } 2200 2201 isp_unfreeze_loopdown(isp, chan); 2202 fc->loop_down_time = 0; 2203 } 2204 2205 static void 2206 isp_kthread(void *arg) 2207 { 2208 struct isp_fc *fc = arg; 2209 ispsoftc_t *isp = fc->isp; 2210 int chan = fc - ISP_FC_PC(isp, 0); 2211 int slp = 0, d; 2212 int lb, lim; 2213 2214 ISP_LOCK(isp); 2215 while (isp->isp_osinfo.is_exiting == 0) { 2216 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2217 "Chan %d Checking FC state", chan); 2218 lb = isp_fc_runstate(isp, chan, 250000); 2219 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2220 "Chan %d FC got to %s state", chan, 2221 isp_fc_loop_statename(lb)); 2222 2223 /* 2224 * Our action is different based upon whether we're supporting 2225 * Initiator mode or not. If we are, we might freeze the simq 2226 * when loop is down and set all sorts of different delays to 2227 * check again. 2228 * 2229 * If not, we simply just wait for loop to come up. 2230 */ 2231 if (lb == LOOP_READY || lb < 0) { 2232 slp = 0; 2233 } else { 2234 /* 2235 * If we've never seen loop up and we've waited longer 2236 * than quickboot time, or we've seen loop up but we've 2237 * waited longer than loop_down_limit, give up and go 2238 * to sleep until loop comes up. 2239 */ 2240 if (fc->loop_seen_once == 0) 2241 lim = isp_quickboot_time; 2242 else 2243 lim = fc->loop_down_limit; 2244 d = time_uptime - fc->loop_down_time; 2245 if (d >= lim) 2246 slp = 0; 2247 else if (d < 10) 2248 slp = 1; 2249 else if (d < 30) 2250 slp = 5; 2251 else if (d < 60) 2252 slp = 10; 2253 else if (d < 120) 2254 slp = 20; 2255 else 2256 slp = 30; 2257 } 2258 2259 if (slp == 0) { 2260 if (lb == LOOP_READY) 2261 isp_loop_up(isp, chan); 2262 else 2263 isp_loop_dead(isp, chan); 2264 } 2265 2266 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2267 "Chan %d sleep for %d seconds", chan, slp); 2268 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2269 } 2270 fc->num_threads -= 1; 2271 wakeup(&fc->num_threads); 2272 ISP_UNLOCK(isp); 2273 kthread_exit(); 2274 } 2275 2276 #ifdef ISP_TARGET_MODE 2277 static void 2278 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2279 { 2280 atio_private_data_t *atp; 2281 union ccb *accb = ccb->cab.abort_ccb; 2282 struct ccb_hdr *sccb; 2283 tstate_t *tptr; 2284 2285 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2286 if (tptr != NULL) { 2287 /* Search for the ATIO among queueued. */ 2288 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2289 if (sccb != &accb->ccb_h) 2290 continue; 2291 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2292 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2293 "Abort FREE ATIO\n"); 2294 accb->ccb_h.status = CAM_REQ_ABORTED; 2295 xpt_done(accb); 2296 ccb->ccb_h.status = CAM_REQ_CMP; 2297 return; 2298 } 2299 } 2300 2301 /* Search for the ATIO among running. */ 2302 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2303 if (atp != NULL) { 2304 /* Send TERMINATE to firmware. */ 2305 if (!atp->dead) { 2306 uint8_t storage[QENTRY_LEN]; 2307 ct7_entry_t *cto = (ct7_entry_t *) storage; 2308 2309 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2310 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2311 cto->ct_header.rqs_entry_count = 1; 2312 cto->ct_nphdl = atp->nphdl; 2313 cto->ct_rxid = atp->tag; 2314 cto->ct_iid_lo = atp->sid; 2315 cto->ct_iid_hi = atp->sid >> 16; 2316 cto->ct_oxid = atp->oxid; 2317 cto->ct_vpidx = XS_CHANNEL(accb); 2318 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2319 isp_send_entry(isp, cto); 2320 } 2321 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2322 ccb->ccb_h.status = CAM_REQ_CMP; 2323 } else { 2324 ccb->ccb_h.status = CAM_UA_ABORT; 2325 } 2326 } 2327 2328 static void 2329 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2330 { 2331 inot_private_data_t *ntp; 2332 union ccb *accb = ccb->cab.abort_ccb; 2333 struct ccb_hdr *sccb; 2334 tstate_t *tptr; 2335 2336 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2337 if (tptr != NULL) { 2338 /* Search for the INOT among queueued. */ 2339 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2340 if (sccb != &accb->ccb_h) 2341 continue; 2342 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2343 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2344 "Abort FREE INOT\n"); 2345 accb->ccb_h.status = CAM_REQ_ABORTED; 2346 xpt_done(accb); 2347 ccb->ccb_h.status = CAM_REQ_CMP; 2348 return; 2349 } 2350 } 2351 2352 /* Search for the INOT among running. */ 2353 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2354 if (ntp != NULL) { 2355 if (ntp->nt.nt_need_ack) { 2356 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2357 ntp->nt.nt_lreserved); 2358 } 2359 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2360 ccb->ccb_h.status = CAM_REQ_CMP; 2361 } else { 2362 ccb->ccb_h.status = CAM_UA_ABORT; 2363 return; 2364 } 2365 } 2366 #endif 2367 2368 static void 2369 isp_action(struct cam_sim *sim, union ccb *ccb) 2370 { 2371 int bus, tgt, error; 2372 ispsoftc_t *isp; 2373 fcparam *fcp; 2374 struct ccb_trans_settings *cts; 2375 sbintime_t ts; 2376 2377 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2378 2379 isp = (ispsoftc_t *)cam_sim_softc(sim); 2380 ISP_ASSERT_LOCKED(isp); 2381 bus = cam_sim_bus(sim); 2382 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2383 ISP_PCMD(ccb) = NULL; 2384 2385 switch (ccb->ccb_h.func_code) { 2386 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2387 /* 2388 * Do a couple of preliminary checks... 2389 */ 2390 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2391 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2392 ccb->ccb_h.status = CAM_REQ_INVALID; 2393 isp_done((struct ccb_scsiio *) ccb); 2394 break; 2395 } 2396 } 2397 #ifdef DIAGNOSTIC 2398 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 2399 xpt_print(ccb->ccb_h.path, "invalid target\n"); 2400 ccb->ccb_h.status = CAM_PATH_INVALID; 2401 } 2402 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 2403 xpt_done(ccb); 2404 break; 2405 } 2406 #endif 2407 ccb->csio.scsi_status = SCSI_STATUS_OK; 2408 if (isp_get_pcmd(isp, ccb)) { 2409 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 2410 cam_freeze_devq(ccb->ccb_h.path); 2411 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 2412 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2413 xpt_done(ccb); 2414 break; 2415 } 2416 error = isp_start((XS_T *) ccb); 2417 isp_rq_check_above(isp); 2418 switch (error) { 2419 case 0: 2420 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2421 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 2422 break; 2423 /* Give firmware extra 10s to handle timeout. */ 2424 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 2425 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 2426 isp_watchdog, ccb, 0); 2427 break; 2428 case CMD_RQLATER: 2429 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 2430 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 2431 cam_freeze_devq(ccb->ccb_h.path); 2432 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 2433 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2434 isp_free_pcmd(isp, ccb); 2435 xpt_done(ccb); 2436 break; 2437 case CMD_EAGAIN: 2438 isp_free_pcmd(isp, ccb); 2439 cam_freeze_devq(ccb->ccb_h.path); 2440 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 10, 0); 2441 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2442 xpt_done(ccb); 2443 break; 2444 case CMD_COMPLETE: 2445 isp_done((struct ccb_scsiio *) ccb); 2446 break; 2447 default: 2448 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 2449 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2450 isp_free_pcmd(isp, ccb); 2451 xpt_done(ccb); 2452 } 2453 break; 2454 2455 #ifdef ISP_TARGET_MODE 2456 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 2457 if (ccb->cel.enable) { 2458 isp_enable_lun(isp, ccb); 2459 } else { 2460 isp_disable_lun(isp, ccb); 2461 } 2462 break; 2463 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 2464 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 2465 { 2466 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 2467 if (tptr == NULL) { 2468 const char *str; 2469 2470 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 2471 str = "XPT_IMMEDIATE_NOTIFY"; 2472 else 2473 str = "XPT_ACCEPT_TARGET_IO"; 2474 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 2475 "%s: no state pointer found for %s\n", 2476 __func__, str); 2477 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2478 xpt_done(ccb); 2479 break; 2480 } 2481 2482 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 2483 ccb->atio.tag_id = 0; 2484 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 2485 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 2486 "Put FREE ATIO\n"); 2487 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 2488 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 2489 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 2490 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 2491 "Put FREE INOT\n"); 2492 } 2493 ccb->ccb_h.status = CAM_REQ_INPROG; 2494 break; 2495 } 2496 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 2497 { 2498 inot_private_data_t *ntp; 2499 2500 /* 2501 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 2502 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 2503 */ 2504 /* 2505 * All the relevant path information is in the associated immediate notify 2506 */ 2507 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); 2508 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 2509 if (ntp == NULL) { 2510 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__, 2511 ccb->cna2.tag_id, ccb->cna2.seq_id); 2512 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2513 xpt_done(ccb); 2514 break; 2515 } 2516 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 2517 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 2518 cam_freeze_devq(ccb->ccb_h.path); 2519 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 10, 0); 2520 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2521 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 2522 break; 2523 } 2524 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 2525 ccb->ccb_h.status = CAM_REQ_CMP; 2526 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); 2527 xpt_done(ccb); 2528 break; 2529 } 2530 case XPT_CONT_TARGET_IO: 2531 isp_target_start_ctio(isp, ccb, FROM_CAM); 2532 isp_rq_check_above(isp); 2533 break; 2534 #endif 2535 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 2536 tgt = ccb->ccb_h.target_id; 2537 tgt |= (bus << 16); 2538 2539 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 2540 if (error) { 2541 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2542 } else { 2543 /* 2544 * If we have a FC device, reset the Command 2545 * Reference Number, because the target will expect 2546 * that we re-start the CRN at 1 after a reset. 2547 */ 2548 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2549 2550 ccb->ccb_h.status = CAM_REQ_CMP; 2551 } 2552 xpt_done(ccb); 2553 break; 2554 case XPT_ABORT: /* Abort the specified CCB */ 2555 { 2556 union ccb *accb = ccb->cab.abort_ccb; 2557 switch (accb->ccb_h.func_code) { 2558 #ifdef ISP_TARGET_MODE 2559 case XPT_ACCEPT_TARGET_IO: 2560 isp_abort_atio(isp, ccb); 2561 break; 2562 case XPT_IMMEDIATE_NOTIFY: 2563 isp_abort_inot(isp, ccb); 2564 break; 2565 #endif 2566 case XPT_SCSI_IO: 2567 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 2568 if (error) { 2569 ccb->ccb_h.status = CAM_UA_ABORT; 2570 } else { 2571 ccb->ccb_h.status = CAM_REQ_CMP; 2572 } 2573 break; 2574 default: 2575 ccb->ccb_h.status = CAM_REQ_INVALID; 2576 break; 2577 } 2578 /* 2579 * This is not a queued CCB, so the caller expects it to be 2580 * complete when control is returned. 2581 */ 2582 break; 2583 } 2584 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 2585 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 2586 cts = &ccb->cts; 2587 if (!IS_CURRENT_SETTINGS(cts)) { 2588 ccb->ccb_h.status = CAM_REQ_INVALID; 2589 xpt_done(ccb); 2590 break; 2591 } 2592 ccb->ccb_h.status = CAM_REQ_CMP; 2593 xpt_done(ccb); 2594 break; 2595 case XPT_GET_TRAN_SETTINGS: 2596 { 2597 struct ccb_trans_settings_scsi *scsi; 2598 struct ccb_trans_settings_fc *fc; 2599 2600 cts = &ccb->cts; 2601 scsi = &cts->proto_specific.scsi; 2602 fc = &cts->xport_specific.fc; 2603 tgt = cts->ccb_h.target_id; 2604 fcp = FCPARAM(isp, bus); 2605 2606 cts->protocol = PROTO_SCSI; 2607 cts->protocol_version = SCSI_REV_2; 2608 cts->transport = XPORT_FC; 2609 cts->transport_version = 0; 2610 2611 scsi->valid = CTS_SCSI_VALID_TQ; 2612 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2613 fc->valid = CTS_FC_VALID_SPEED; 2614 fc->bitrate = fcp->isp_gbspeed * 100000; 2615 if (tgt < MAX_FC_TARG) { 2616 fcportdb_t *lp = &fcp->portdb[tgt]; 2617 fc->wwnn = lp->node_wwn; 2618 fc->wwpn = lp->port_wwn; 2619 fc->port = lp->portid; 2620 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 2621 } 2622 ccb->ccb_h.status = CAM_REQ_CMP; 2623 xpt_done(ccb); 2624 break; 2625 } 2626 case XPT_CALC_GEOMETRY: 2627 cam_calc_geometry(&ccb->ccg, 1); 2628 xpt_done(ccb); 2629 break; 2630 2631 case XPT_RESET_BUS: /* Reset the specified bus */ 2632 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 2633 if (error) { 2634 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2635 xpt_done(ccb); 2636 break; 2637 } 2638 if (bootverbose) { 2639 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 2640 } 2641 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 2642 ccb->ccb_h.status = CAM_REQ_CMP; 2643 xpt_done(ccb); 2644 break; 2645 2646 case XPT_TERM_IO: /* Terminate the I/O process */ 2647 ccb->ccb_h.status = CAM_REQ_INVALID; 2648 xpt_done(ccb); 2649 break; 2650 2651 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 2652 { 2653 struct ccb_sim_knob *kp = &ccb->knob; 2654 fcparam *fcp = FCPARAM(isp, bus); 2655 2656 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 2657 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 2658 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 2659 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 2660 } 2661 ccb->ccb_h.status = CAM_REQ_CMP; 2662 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 2663 int rchange = 0; 2664 int newrole = 0; 2665 2666 switch (kp->xport_specific.fc.role) { 2667 case KNOB_ROLE_NONE: 2668 if (fcp->role != ISP_ROLE_NONE) { 2669 rchange = 1; 2670 newrole = ISP_ROLE_NONE; 2671 } 2672 break; 2673 case KNOB_ROLE_TARGET: 2674 if (fcp->role != ISP_ROLE_TARGET) { 2675 rchange = 1; 2676 newrole = ISP_ROLE_TARGET; 2677 } 2678 break; 2679 case KNOB_ROLE_INITIATOR: 2680 if (fcp->role != ISP_ROLE_INITIATOR) { 2681 rchange = 1; 2682 newrole = ISP_ROLE_INITIATOR; 2683 } 2684 break; 2685 case KNOB_ROLE_BOTH: 2686 if (fcp->role != ISP_ROLE_BOTH) { 2687 rchange = 1; 2688 newrole = ISP_ROLE_BOTH; 2689 } 2690 break; 2691 } 2692 if (rchange) { 2693 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 2694 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 2695 bus, newrole) != 0) { 2696 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2697 xpt_done(ccb); 2698 break; 2699 } 2700 } 2701 } 2702 xpt_done(ccb); 2703 break; 2704 } 2705 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 2706 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 2707 { 2708 struct ccb_sim_knob *kp = &ccb->knob; 2709 fcparam *fcp = FCPARAM(isp, bus); 2710 2711 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 2712 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 2713 switch (fcp->role) { 2714 case ISP_ROLE_NONE: 2715 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 2716 break; 2717 case ISP_ROLE_TARGET: 2718 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 2719 break; 2720 case ISP_ROLE_INITIATOR: 2721 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 2722 break; 2723 case ISP_ROLE_BOTH: 2724 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 2725 break; 2726 } 2727 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 2728 ccb->ccb_h.status = CAM_REQ_CMP; 2729 xpt_done(ccb); 2730 break; 2731 } 2732 case XPT_PATH_INQ: /* Path routing inquiry */ 2733 { 2734 struct ccb_pathinq *cpi = &ccb->cpi; 2735 2736 cpi->version_num = 1; 2737 #ifdef ISP_TARGET_MODE 2738 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 2739 #else 2740 cpi->target_sprt = 0; 2741 #endif 2742 cpi->hba_eng_cnt = 0; 2743 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 2744 cpi->max_lun = 255; 2745 cpi->bus_id = cam_sim_bus(sim); 2746 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 2747 2748 fcp = FCPARAM(isp, bus); 2749 2750 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 2751 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 2752 2753 /* 2754 * Because our loop ID can shift from time to time, 2755 * make our initiator ID out of range of our bus. 2756 */ 2757 cpi->initiator_id = cpi->max_target + 1; 2758 2759 /* 2760 * Set base transfer capabilities for Fibre Channel, for this HBA. 2761 */ 2762 if (IS_25XX(isp)) 2763 cpi->base_transfer_speed = 8000000; 2764 else 2765 cpi->base_transfer_speed = 4000000; 2766 cpi->hba_inquiry = PI_TAG_ABLE; 2767 cpi->transport = XPORT_FC; 2768 cpi->transport_version = 0; 2769 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 2770 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 2771 cpi->xport_specific.fc.port = fcp->isp_portid; 2772 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 2773 cpi->protocol = PROTO_SCSI; 2774 cpi->protocol_version = SCSI_REV_2; 2775 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2776 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 2777 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 2778 cpi->unit_number = cam_sim_unit(sim); 2779 cpi->ccb_h.status = CAM_REQ_CMP; 2780 xpt_done(ccb); 2781 break; 2782 } 2783 default: 2784 ccb->ccb_h.status = CAM_REQ_INVALID; 2785 xpt_done(ccb); 2786 break; 2787 } 2788 } 2789 2790 void 2791 isp_done(XS_T *sccb) 2792 { 2793 ispsoftc_t *isp = XS_ISP(sccb); 2794 uint32_t status; 2795 2796 if (XS_NOERR(sccb)) 2797 XS_SETERR(sccb, CAM_REQ_CMP); 2798 2799 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 2800 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 2801 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 2802 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 2803 } else { 2804 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 2805 } 2806 } 2807 2808 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2809 status = sccb->ccb_h.status & CAM_STATUS_MASK; 2810 if (status != CAM_REQ_CMP && 2811 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 2812 sccb->ccb_h.status |= CAM_DEV_QFRZN; 2813 xpt_freeze_devq(sccb->ccb_h.path, 1); 2814 } 2815 2816 if (ISP_PCMD(sccb)) { 2817 if (callout_active(&PISP_PCMD(sccb)->wdog)) 2818 callout_stop(&PISP_PCMD(sccb)->wdog); 2819 isp_free_pcmd(isp, (union ccb *) sccb); 2820 } 2821 isp_rq_check_below(isp); 2822 xpt_done((union ccb *) sccb); 2823 } 2824 2825 void 2826 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 2827 { 2828 int bus; 2829 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 2830 char buf[64]; 2831 char *msg = NULL; 2832 target_id_t tgt = 0; 2833 fcportdb_t *lp; 2834 struct isp_fc *fc; 2835 struct ac_contract ac; 2836 struct ac_device_changed *adc; 2837 va_list ap; 2838 2839 switch (cmd) { 2840 case ISPASYNC_LOOP_RESET: 2841 { 2842 uint16_t lipp; 2843 fcparam *fcp; 2844 va_start(ap, cmd); 2845 bus = va_arg(ap, int); 2846 va_end(ap); 2847 2848 lipp = ISP_READ(isp, OUTMAILBOX1); 2849 fcp = FCPARAM(isp, bus); 2850 2851 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp); 2852 /* 2853 * Per FCP-4, a Reset LIP should result in a CRN reset. Other 2854 * LIPs and loop up/down events should never reset the CRN. For 2855 * an as of yet unknown reason, 24xx series cards (and 2856 * potentially others) can interrupt with a LIP Reset status 2857 * when no LIP reset came down the wire. Additionally, the LIP 2858 * primitive accompanying this status would not be a valid LIP 2859 * Reset primitive, but some variation of an invalid AL_PA 2860 * LIP. As a result, we have to verify the AL_PD in the LIP 2861 * addresses our port before blindly resetting. 2862 */ 2863 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF))) 2864 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 2865 isp_loop_changed(isp, bus); 2866 break; 2867 } 2868 case ISPASYNC_LIP: 2869 if (msg == NULL) 2870 msg = "LIP Received"; 2871 /* FALLTHROUGH */ 2872 case ISPASYNC_LOOP_DOWN: 2873 if (msg == NULL) 2874 msg = "LOOP Down"; 2875 /* FALLTHROUGH */ 2876 case ISPASYNC_LOOP_UP: 2877 if (msg == NULL) 2878 msg = "LOOP Up"; 2879 va_start(ap, cmd); 2880 bus = va_arg(ap, int); 2881 va_end(ap); 2882 isp_loop_changed(isp, bus); 2883 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 2884 break; 2885 case ISPASYNC_DEV_ARRIVED: 2886 va_start(ap, cmd); 2887 bus = va_arg(ap, int); 2888 lp = va_arg(ap, fcportdb_t *); 2889 va_end(ap); 2890 fc = ISP_FC_PC(isp, bus); 2891 tgt = FC_PORTDB_TGT(isp, bus, lp); 2892 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 2893 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 2894 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 2895 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 2896 lp->is_target = 1; 2897 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2898 isp_make_here(isp, lp, bus, tgt); 2899 } 2900 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 2901 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 2902 lp->is_initiator = 1; 2903 ac.contract_number = AC_CONTRACT_DEV_CHG; 2904 adc = (struct ac_device_changed *) ac.contract_data; 2905 adc->wwpn = lp->port_wwn; 2906 adc->port = lp->portid; 2907 adc->target = tgt; 2908 adc->arrived = 1; 2909 xpt_async(AC_CONTRACT, fc->path, &ac); 2910 } 2911 break; 2912 case ISPASYNC_DEV_CHANGED: 2913 case ISPASYNC_DEV_STAYED: 2914 { 2915 int crn_reset_done; 2916 2917 crn_reset_done = 0; 2918 va_start(ap, cmd); 2919 bus = va_arg(ap, int); 2920 lp = va_arg(ap, fcportdb_t *); 2921 va_end(ap); 2922 fc = ISP_FC_PC(isp, bus); 2923 tgt = FC_PORTDB_TGT(isp, bus, lp); 2924 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 2925 if (cmd == ISPASYNC_DEV_CHANGED) 2926 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 2927 else 2928 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 2929 2930 if (lp->is_target != 2931 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 2932 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 2933 lp->is_target = !lp->is_target; 2934 if (lp->is_target) { 2935 if (cmd == ISPASYNC_DEV_CHANGED) { 2936 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2937 crn_reset_done = 1; 2938 } 2939 isp_make_here(isp, lp, bus, tgt); 2940 } else { 2941 isp_make_gone(isp, lp, bus, tgt); 2942 if (cmd == ISPASYNC_DEV_CHANGED) { 2943 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2944 crn_reset_done = 1; 2945 } 2946 } 2947 } 2948 if (lp->is_initiator != 2949 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 2950 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 2951 lp->is_initiator = !lp->is_initiator; 2952 ac.contract_number = AC_CONTRACT_DEV_CHG; 2953 adc = (struct ac_device_changed *) ac.contract_data; 2954 adc->wwpn = lp->port_wwn; 2955 adc->port = lp->portid; 2956 adc->target = tgt; 2957 adc->arrived = lp->is_initiator; 2958 xpt_async(AC_CONTRACT, fc->path, &ac); 2959 } 2960 2961 if ((cmd == ISPASYNC_DEV_CHANGED) && 2962 (crn_reset_done == 0)) 2963 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2964 2965 break; 2966 } 2967 case ISPASYNC_DEV_GONE: 2968 va_start(ap, cmd); 2969 bus = va_arg(ap, int); 2970 lp = va_arg(ap, fcportdb_t *); 2971 va_end(ap); 2972 fc = ISP_FC_PC(isp, bus); 2973 tgt = FC_PORTDB_TGT(isp, bus, lp); 2974 /* 2975 * If this has a virtual target or initiator set the isp_gdt 2976 * timer running on it to delay its departure. 2977 */ 2978 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 2979 if (lp->is_target || lp->is_initiator) { 2980 lp->state = FC_PORTDB_STATE_ZOMBIE; 2981 lp->gone_timer = fc->gone_device_time; 2982 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 2983 if (fc->ready && !callout_active(&fc->gdt)) { 2984 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); 2985 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2986 } 2987 break; 2988 } 2989 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 2990 break; 2991 case ISPASYNC_CHANGE_NOTIFY: 2992 { 2993 char *msg; 2994 int evt, nphdl, nlstate, portid, reason; 2995 2996 va_start(ap, cmd); 2997 bus = va_arg(ap, int); 2998 evt = va_arg(ap, int); 2999 if (evt == ISPASYNC_CHANGE_PDB) { 3000 nphdl = va_arg(ap, int); 3001 nlstate = va_arg(ap, int); 3002 reason = va_arg(ap, int); 3003 } else if (evt == ISPASYNC_CHANGE_SNS) { 3004 portid = va_arg(ap, int); 3005 } else { 3006 nphdl = NIL_HANDLE; 3007 nlstate = reason = 0; 3008 } 3009 va_end(ap); 3010 3011 if (evt == ISPASYNC_CHANGE_PDB) { 3012 int tgt_set = 0; 3013 msg = "Port Database Changed"; 3014 isp_prt(isp, ISP_LOGINFO, 3015 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3016 bus, msg, nphdl, nlstate, reason); 3017 /* 3018 * Port database syncs are not sufficient for 3019 * determining that logins or logouts are done on the 3020 * loop, but this information is directly available from 3021 * the reason code from the incoming mbox. We must reset 3022 * the fcp crn on these events according to FCP-4 3023 */ 3024 switch (reason) { 3025 case PDB24XX_AE_IMPL_LOGO_1: 3026 case PDB24XX_AE_IMPL_LOGO_2: 3027 case PDB24XX_AE_IMPL_LOGO_3: 3028 case PDB24XX_AE_PLOGI_RCVD: 3029 case PDB24XX_AE_PRLI_RCVD: 3030 case PDB24XX_AE_PRLO_RCVD: 3031 case PDB24XX_AE_LOGO_RCVD: 3032 case PDB24XX_AE_PLOGI_DONE: 3033 case PDB24XX_AE_PRLI_DONE: 3034 /* 3035 * If the event is not global, twiddle tgt and 3036 * tgt_set to nominate only the target 3037 * associated with the nphdl. 3038 */ 3039 if (nphdl != PDB24XX_AE_GLOBAL) { 3040 /* Break if we don't yet have the pdb */ 3041 if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp)) 3042 break; 3043 tgt = FC_PORTDB_TGT(isp, bus, lp); 3044 tgt_set = 1; 3045 } 3046 isp_fcp_reset_crn(isp, bus, tgt, tgt_set); 3047 break; 3048 default: 3049 break; /* NOP */ 3050 } 3051 } else if (evt == ISPASYNC_CHANGE_SNS) { 3052 msg = "Name Server Database Changed"; 3053 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3054 bus, msg, portid); 3055 } else { 3056 msg = "Other Change Notify"; 3057 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3058 } 3059 isp_loop_changed(isp, bus); 3060 break; 3061 } 3062 #ifdef ISP_TARGET_MODE 3063 case ISPASYNC_TARGET_NOTIFY: 3064 { 3065 isp_notify_t *notify; 3066 va_start(ap, cmd); 3067 notify = va_arg(ap, isp_notify_t *); 3068 va_end(ap); 3069 switch (notify->nt_ncode) { 3070 case NT_ABORT_TASK: 3071 case NT_ABORT_TASK_SET: 3072 case NT_CLEAR_ACA: 3073 case NT_CLEAR_TASK_SET: 3074 case NT_LUN_RESET: 3075 case NT_TARGET_RESET: 3076 case NT_QUERY_TASK_SET: 3077 case NT_QUERY_ASYNC_EVENT: 3078 /* 3079 * These are task management functions. 3080 */ 3081 isp_handle_platform_target_tmf(isp, notify); 3082 break; 3083 case NT_LIP_RESET: 3084 case NT_LINK_UP: 3085 case NT_LINK_DOWN: 3086 case NT_HBA_RESET: 3087 /* 3088 * No action need be taken here. 3089 */ 3090 break; 3091 case NT_SRR: 3092 isp_handle_platform_srr(isp, notify); 3093 break; 3094 default: 3095 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3096 isp_handle_platform_target_notify_ack(isp, notify, 0); 3097 break; 3098 } 3099 break; 3100 } 3101 case ISPASYNC_TARGET_NOTIFY_ACK: 3102 { 3103 void *inot; 3104 va_start(ap, cmd); 3105 inot = va_arg(ap, void *); 3106 va_end(ap); 3107 if (isp_notify_ack(isp, inot)) { 3108 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3109 if (tp) { 3110 tp->isp = isp; 3111 memcpy(tp->data, inot, sizeof (tp->data)); 3112 tp->not = tp->data; 3113 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3114 callout_reset(&tp->timer, 5, 3115 isp_refire_notify_ack, tp); 3116 } else { 3117 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3118 } 3119 } 3120 break; 3121 } 3122 case ISPASYNC_TARGET_ACTION: 3123 { 3124 isphdr_t *hp; 3125 3126 va_start(ap, cmd); 3127 hp = va_arg(ap, isphdr_t *); 3128 va_end(ap); 3129 switch (hp->rqs_entry_type) { 3130 case RQSTYPE_ATIO: 3131 isp_handle_platform_atio7(isp, (at7_entry_t *)hp); 3132 break; 3133 case RQSTYPE_CTIO7: 3134 isp_handle_platform_ctio(isp, (ct7_entry_t *)hp); 3135 break; 3136 default: 3137 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3138 __func__, hp->rqs_entry_type); 3139 break; 3140 } 3141 break; 3142 } 3143 #endif 3144 case ISPASYNC_FW_CRASH: 3145 { 3146 uint16_t mbox1; 3147 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3148 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error @ RISC Address 0x%x", mbox1); 3149 #if 0 3150 isp_reinit(isp, 1); 3151 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 3152 #endif 3153 break; 3154 } 3155 default: 3156 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 3157 break; 3158 } 3159 } 3160 3161 uint64_t 3162 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 3163 { 3164 uint64_t seed; 3165 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3166 3167 /* First try to use explicitly configured WWNs. */ 3168 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 3169 if (seed) 3170 return (seed); 3171 3172 /* Otherwise try to use WWNs from NVRAM. */ 3173 if (isactive) { 3174 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 3175 FCPARAM(isp, chan)->isp_wwpn_nvram; 3176 if (seed) 3177 return (seed); 3178 } 3179 3180 /* If still no WWNs, try to steal them from the first channel. */ 3181 if (chan > 0) { 3182 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 3183 ISP_FC_PC(isp, 0)->def_wwpn; 3184 if (seed == 0) { 3185 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 3186 FCPARAM(isp, 0)->isp_wwpn_nvram; 3187 } 3188 } 3189 3190 /* If still nothing -- improvise. */ 3191 if (seed == 0) { 3192 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 3193 if (!iswwnn) 3194 seed ^= 0x0100000000000000ULL; 3195 } 3196 3197 /* For additional channels we have to improvise even more. */ 3198 if (!iswwnn && chan > 0) { 3199 /* 3200 * We'll stick our channel number plus one first into bits 3201 * 57..59 and thence into bits 52..55 which allows for 8 bits 3202 * of channel which is enough for our maximum of 255 channels. 3203 */ 3204 seed ^= 0x0100000000000000ULL; 3205 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 3206 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 3207 } 3208 return (seed); 3209 } 3210 3211 void 3212 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 3213 { 3214 int loc; 3215 char lbuf[200]; 3216 va_list ap; 3217 3218 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3219 return; 3220 } 3221 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 3222 loc = strlen(lbuf); 3223 va_start(ap, fmt); 3224 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 3225 va_end(ap); 3226 printf("%s\n", lbuf); 3227 } 3228 3229 void 3230 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 3231 { 3232 va_list ap; 3233 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3234 return; 3235 } 3236 xpt_print_path(xs->ccb_h.path); 3237 va_start(ap, fmt); 3238 vprintf(fmt, ap); 3239 va_end(ap); 3240 printf("\n"); 3241 } 3242 3243 uint64_t 3244 isp_nanotime_sub(struct timespec *b, struct timespec *a) 3245 { 3246 uint64_t elapsed; 3247 struct timespec x; 3248 3249 timespecsub(b, a, &x); 3250 elapsed = GET_NANOSEC(&x); 3251 if (elapsed == 0) 3252 elapsed++; 3253 return (elapsed); 3254 } 3255 3256 int 3257 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 3258 { 3259 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3260 3261 if (fc->fcbsy) 3262 return (-1); 3263 fc->fcbsy = 1; 3264 return (0); 3265 } 3266 3267 void 3268 isp_platform_intr(void *arg) 3269 { 3270 ispsoftc_t *isp = arg; 3271 3272 ISP_LOCK(isp); 3273 ISP_RUN_ISR(isp); 3274 ISP_UNLOCK(isp); 3275 } 3276 3277 void 3278 isp_platform_intr_resp(void *arg) 3279 { 3280 ispsoftc_t *isp = arg; 3281 3282 ISP_LOCK(isp); 3283 isp_intr_respq(isp); 3284 ISP_UNLOCK(isp); 3285 3286 /* We have handshake enabled, so explicitly complete interrupt */ 3287 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 3288 } 3289 3290 void 3291 isp_platform_intr_atio(void *arg) 3292 { 3293 ispsoftc_t *isp = arg; 3294 3295 ISP_LOCK(isp); 3296 #ifdef ISP_TARGET_MODE 3297 isp_intr_atioq(isp); 3298 #endif 3299 ISP_UNLOCK(isp); 3300 3301 /* We have handshake enabled, so explicitly complete interrupt */ 3302 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 3303 } 3304 3305 typedef struct { 3306 ispsoftc_t *isp; 3307 struct ccb_scsiio *csio; 3308 void *qe; 3309 int error; 3310 } mush_t; 3311 3312 static void 3313 isp_dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 3314 { 3315 mush_t *mp = (mush_t *) arg; 3316 ispsoftc_t *isp= mp->isp; 3317 struct ccb_scsiio *csio = mp->csio; 3318 bus_dmasync_op_t op; 3319 3320 if (error) { 3321 mp->error = error; 3322 return; 3323 } 3324 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ 3325 ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) 3326 op = BUS_DMASYNC_PREREAD; 3327 else 3328 op = BUS_DMASYNC_PREWRITE; 3329 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op); 3330 3331 mp->error = ISP_SEND_CMD(isp, mp->qe, dm_segs, nseg); 3332 if (mp->error) 3333 isp_dmafree(isp, csio); 3334 } 3335 3336 int 3337 isp_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *qe) 3338 { 3339 mush_t mp; 3340 int error; 3341 3342 if (XS_XFRLEN(csio)) { 3343 mp.isp = isp; 3344 mp.csio = csio; 3345 mp.qe = qe; 3346 mp.error = 0; 3347 error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, 3348 (union ccb *)csio, isp_dma2, &mp, BUS_DMA_NOWAIT); 3349 if (error == 0) 3350 error = mp.error; 3351 } else { 3352 error = ISP_SEND_CMD(isp, qe, NULL, 0); 3353 } 3354 switch (error) { 3355 case 0: 3356 case CMD_COMPLETE: 3357 case CMD_EAGAIN: 3358 case CMD_RQLATER: 3359 break; 3360 case ENOMEM: 3361 error = CMD_EAGAIN; 3362 break; 3363 case EINVAL: 3364 case EFBIG: 3365 csio->ccb_h.status = CAM_REQ_INVALID; 3366 error = CMD_COMPLETE; 3367 break; 3368 default: 3369 csio->ccb_h.status = CAM_UNREC_HBA_ERROR; 3370 error = CMD_COMPLETE; 3371 break; 3372 } 3373 return (error); 3374 } 3375 3376 void 3377 isp_dmafree(ispsoftc_t *isp, struct ccb_scsiio *csio) 3378 { 3379 bus_dmasync_op_t op; 3380 3381 if (XS_XFRLEN(csio) == 0) 3382 return; 3383 3384 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ 3385 ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) 3386 op = BUS_DMASYNC_POSTREAD; 3387 else 3388 op = BUS_DMASYNC_POSTWRITE; 3389 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op); 3390 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 3391 } 3392 3393 /* 3394 * Reset the command reference number for all LUNs on a specific target 3395 * (needed when a target arrives again) or for all targets on a port 3396 * (needed for events like a LIP). 3397 */ 3398 void 3399 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 3400 { 3401 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3402 struct isp_nexus *nxp; 3403 int i; 3404 3405 if (tgt_set == 0) 3406 isp_prt(isp, ISP_LOGDEBUG0, 3407 "Chan %d resetting CRN on all targets", chan); 3408 else 3409 isp_prt(isp, ISP_LOGDEBUG0, 3410 "Chan %d resetting CRN on target %u", chan, tgt); 3411 3412 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 3413 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 3414 if (tgt_set == 0 || tgt == nxp->tgt) 3415 nxp->crnseed = 0; 3416 } 3417 } 3418 } 3419 3420 int 3421 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 3422 { 3423 lun_id_t lun; 3424 uint32_t chan, tgt; 3425 struct isp_fc *fc; 3426 struct isp_nexus *nxp; 3427 int idx; 3428 3429 chan = XS_CHANNEL(cmd); 3430 tgt = XS_TGT(cmd); 3431 lun = XS_LUN(cmd); 3432 fc = ISP_FC_PC(isp, chan); 3433 idx = NEXUS_HASH(tgt, lun); 3434 nxp = fc->nexus_hash[idx]; 3435 3436 while (nxp) { 3437 if (nxp->tgt == tgt && nxp->lun == lun) 3438 break; 3439 nxp = nxp->next; 3440 } 3441 if (nxp == NULL) { 3442 nxp = fc->nexus_free_list; 3443 if (nxp == NULL) { 3444 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 3445 if (nxp == NULL) { 3446 return (-1); 3447 } 3448 } else { 3449 fc->nexus_free_list = nxp->next; 3450 } 3451 nxp->tgt = tgt; 3452 nxp->lun = lun; 3453 nxp->next = fc->nexus_hash[idx]; 3454 fc->nexus_hash[idx] = nxp; 3455 } 3456 if (nxp->crnseed == 0) 3457 nxp->crnseed = 1; 3458 *crnp = nxp->crnseed++; 3459 return (0); 3460 } 3461 3462 /* 3463 * We enter with the lock held 3464 */ 3465 void 3466 isp_timer(void *arg) 3467 { 3468 ispsoftc_t *isp = arg; 3469 #ifdef ISP_TARGET_MODE 3470 isp_tmcmd_restart(isp); 3471 #endif 3472 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 3473 } 3474 3475 #ifdef ISP_TARGET_MODE 3476 isp_ecmd_t * 3477 isp_get_ecmd(ispsoftc_t *isp) 3478 { 3479 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 3480 if (ecmd) { 3481 isp->isp_osinfo.ecmd_free = ecmd->next; 3482 } 3483 return (ecmd); 3484 } 3485 3486 void 3487 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 3488 { 3489 ecmd->next = isp->isp_osinfo.ecmd_free; 3490 isp->isp_osinfo.ecmd_free = ecmd; 3491 } 3492 #endif 3493