1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 __FBSDID("$FreeBSD$"); 35 36 #include <dev/isp/isp_freebsd.h> 37 #include <sys/unistd.h> 38 #include <sys/kthread.h> 39 #include <sys/conf.h> 40 #include <sys/module.h> 41 #include <sys/ioccom.h> 42 #include <dev/isp/isp_ioctl.h> 43 #include <sys/devicestat.h> 44 #include <cam/cam_periph.h> 45 #include <cam/cam_xpt_periph.h> 46 47 MODULE_VERSION(isp, 1); 48 MODULE_DEPEND(isp, cam, 1, 1, 1); 49 int isp_announced = 0; 50 int isp_loop_down_limit = 60; /* default loop down limit */ 51 int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */ 52 int isp_gone_device_time = 30; /* grace time before reporting device lost */ 53 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 54 55 static void isp_freeze_loopdown(ispsoftc_t *, int); 56 static void isp_loop_changed(ispsoftc_t *isp, int chan); 57 static void isp_rq_check_above(ispsoftc_t *); 58 static void isp_rq_check_below(ispsoftc_t *); 59 static d_ioctl_t ispioctl; 60 static void isp_poll(struct cam_sim *); 61 static callout_func_t isp_watchdog; 62 static callout_func_t isp_gdt; 63 static task_fn_t isp_gdt_task; 64 static void isp_kthread(void *); 65 static void isp_action(struct cam_sim *, union ccb *); 66 static int isp_timer_count; 67 static void isp_timer(void *); 68 69 static struct cdevsw isp_cdevsw = { 70 .d_version = D_VERSION, 71 .d_ioctl = ispioctl, 72 .d_name = "isp", 73 }; 74 75 static int 76 isp_role_sysctl(SYSCTL_HANDLER_ARGS) 77 { 78 ispsoftc_t *isp = (ispsoftc_t *)arg1; 79 int chan = arg2; 80 int error, old, value; 81 82 value = FCPARAM(isp, chan)->role; 83 84 error = sysctl_handle_int(oidp, &value, 0, req); 85 if ((error != 0) || (req->newptr == NULL)) 86 return (error); 87 88 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 89 return (EINVAL); 90 91 ISP_LOCK(isp); 92 old = FCPARAM(isp, chan)->role; 93 94 /* We don't allow target mode switch from here. */ 95 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 96 97 /* If nothing has changed -- we are done. */ 98 if (value == old) { 99 ISP_UNLOCK(isp); 100 return (0); 101 } 102 103 /* Actually change the role. */ 104 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 105 ISP_UNLOCK(isp); 106 return (error); 107 } 108 109 static int 110 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 111 { 112 fcparam *fcp = FCPARAM(isp, chan); 113 struct isp_fc *fc = ISP_FC_PC(isp, chan); 114 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 115 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 116 char name[16]; 117 struct cam_sim *sim; 118 struct cam_path *path; 119 #ifdef ISP_TARGET_MODE 120 int i; 121 #endif 122 123 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 124 device_get_unit(isp->isp_dev), &isp->isp_lock, 125 isp->isp_maxcmds, isp->isp_maxcmds, devq); 126 if (sim == NULL) 127 return (ENOMEM); 128 129 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 130 cam_sim_free(sim, FALSE); 131 return (EIO); 132 } 133 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 134 xpt_bus_deregister(cam_sim_path(sim)); 135 cam_sim_free(sim, FALSE); 136 return (ENXIO); 137 } 138 139 ISP_LOCK(isp); 140 fc->sim = sim; 141 fc->path = path; 142 fc->isp = isp; 143 fc->ready = 1; 144 fcp->isp_use_gft_id = 1; 145 fcp->isp_use_gff_id = 1; 146 147 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0); 148 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 149 #ifdef ISP_TARGET_MODE 150 TAILQ_INIT(&fc->waitq); 151 STAILQ_INIT(&fc->ntfree); 152 for (i = 0; i < ATPDPSIZE; i++) 153 STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next); 154 LIST_INIT(&fc->atfree); 155 for (i = ATPDPSIZE-1; i >= 0; i--) 156 LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next); 157 for (i = 0; i < ATPDPHASHSIZE; i++) 158 LIST_INIT(&fc->atused[i]); 159 #endif 160 isp_loop_changed(isp, chan); 161 ISP_UNLOCK(isp); 162 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0, 163 "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 164 xpt_free_path(fc->path); 165 xpt_bus_deregister(cam_sim_path(fc->sim)); 166 cam_sim_free(fc->sim, FALSE); 167 return (ENOMEM); 168 } 169 fc->num_threads += 1; 170 if (chan > 0) { 171 snprintf(name, sizeof(name), "chan%d", chan); 172 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 173 OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 174 "Virtual channel"); 175 } 176 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 177 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 178 "World Wide Node Name"); 179 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 180 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 181 "World Wide Port Name"); 182 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 183 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 184 "Loop Down Limit"); 185 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 186 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 187 "Gone Device Time"); 188 #if defined(ISP_TARGET_MODE) && defined(DEBUG) 189 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 190 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 191 "Cause a Lost Frame on a Read"); 192 #endif 193 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 194 "role", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 195 isp, chan, isp_role_sysctl, "I", "Current role"); 196 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 197 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 198 "Connection speed in gigabits"); 199 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 200 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 201 "Link state"); 202 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 203 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 204 "Firmware state"); 205 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 206 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 207 "Loop state"); 208 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 209 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 210 "Connection topology"); 211 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 212 "use_gft_id", CTLFLAG_RWTUN, &fcp->isp_use_gft_id, 0, 213 "Use GFT_ID during fabric scan"); 214 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 215 "use_gff_id", CTLFLAG_RWTUN, &fcp->isp_use_gff_id, 0, 216 "Use GFF_ID during fabric scan"); 217 return (0); 218 } 219 220 static void 221 isp_detach_chan(ispsoftc_t *isp, int chan) 222 { 223 struct isp_fc *fc = ISP_FC_PC(isp, chan); 224 225 xpt_free_path(fc->path); 226 xpt_bus_deregister(cam_sim_path(fc->sim)); 227 cam_sim_free(fc->sim, FALSE); 228 229 /* Wait for the channel's spawned threads to exit. */ 230 wakeup(fc); 231 while (fc->num_threads != 0) 232 mtx_sleep(&fc->num_threads, &isp->isp_lock, PRIBIO, "isp_reap", 0); 233 } 234 235 int 236 isp_attach(ispsoftc_t *isp) 237 { 238 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 239 int du = device_get_unit(isp->isp_dev); 240 int chan; 241 242 /* 243 * Create the device queue for our SIM(s). 244 */ 245 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 246 if (isp->isp_osinfo.devq == NULL) { 247 return (EIO); 248 } 249 250 for (chan = 0; chan < isp->isp_nchan; chan++) { 251 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 252 goto unwind; 253 } 254 } 255 256 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0); 257 isp_timer_count = hz >> 2; 258 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 259 260 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 261 if (isp->isp_osinfo.cdev) { 262 isp->isp_osinfo.cdev->si_drv1 = isp; 263 } 264 return (0); 265 266 unwind: 267 ISP_LOCK(isp); 268 isp->isp_osinfo.is_exiting = 1; 269 while (--chan >= 0) 270 isp_detach_chan(isp, chan); 271 ISP_UNLOCK(isp); 272 cam_simq_free(isp->isp_osinfo.devq); 273 isp->isp_osinfo.devq = NULL; 274 return (-1); 275 } 276 277 int 278 isp_detach(ispsoftc_t *isp) 279 { 280 int chan; 281 282 if (isp->isp_osinfo.cdev) { 283 destroy_dev(isp->isp_osinfo.cdev); 284 isp->isp_osinfo.cdev = NULL; 285 } 286 ISP_LOCK(isp); 287 /* Tell spawned threads that we're exiting. */ 288 isp->isp_osinfo.is_exiting = 1; 289 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 290 isp_detach_chan(isp, chan); 291 ISP_UNLOCK(isp); 292 callout_drain(&isp->isp_osinfo.tmo); 293 cam_simq_free(isp->isp_osinfo.devq); 294 return (0); 295 } 296 297 static void 298 isp_freeze_loopdown(ispsoftc_t *isp, int chan) 299 { 300 struct isp_fc *fc = ISP_FC_PC(isp, chan); 301 302 if (fc->sim == NULL) 303 return; 304 if (fc->simqfrozen == 0) { 305 isp_prt(isp, ISP_LOGDEBUG0, 306 "Chan %d Freeze simq (loopdown)", chan); 307 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 308 xpt_hold_boot(); 309 xpt_freeze_simq(fc->sim, 1); 310 } else { 311 isp_prt(isp, ISP_LOGDEBUG0, 312 "Chan %d Mark simq frozen (loopdown)", chan); 313 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 314 } 315 } 316 317 static void 318 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 319 { 320 struct isp_fc *fc = ISP_FC_PC(isp, chan); 321 322 if (fc->sim == NULL) 323 return; 324 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 325 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 326 if (wasfrozen && fc->simqfrozen == 0) { 327 isp_prt(isp, ISP_LOGDEBUG0, 328 "Chan %d Release simq", chan); 329 xpt_release_simq(fc->sim, 1); 330 xpt_release_boot(); 331 } 332 } 333 334 /* 335 * Functions to protect from request queue overflow by freezing SIM queue. 336 * XXX: freezing only one arbitrary SIM, since they all share the queue. 337 */ 338 static void 339 isp_rq_check_above(ispsoftc_t *isp) 340 { 341 struct isp_fc *fc = ISP_FC_PC(isp, 0); 342 343 if (isp->isp_rqovf || fc->sim == NULL) 344 return; 345 if (!isp_rqentry_avail(isp, QENTRY_MAX)) { 346 xpt_freeze_simq(fc->sim, 1); 347 isp->isp_rqovf = 1; 348 } 349 } 350 351 static void 352 isp_rq_check_below(ispsoftc_t *isp) 353 { 354 struct isp_fc *fc = ISP_FC_PC(isp, 0); 355 356 if (!isp->isp_rqovf || fc->sim == NULL) 357 return; 358 if (isp_rqentry_avail(isp, QENTRY_MAX)) { 359 xpt_release_simq(fc->sim, 0); 360 isp->isp_rqovf = 0; 361 } 362 } 363 364 static int 365 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 366 { 367 ispsoftc_t *isp; 368 int nr, chan, retval = ENOTTY; 369 370 isp = dev->si_drv1; 371 372 switch (c) { 373 case ISP_SDBLEV: 374 { 375 int olddblev = isp->isp_dblev; 376 isp->isp_dblev = *(int *)addr; 377 *(int *)addr = olddblev; 378 retval = 0; 379 break; 380 } 381 case ISP_GETROLE: 382 chan = *(int *)addr; 383 if (chan < 0 || chan >= isp->isp_nchan) { 384 retval = -ENXIO; 385 break; 386 } 387 *(int *)addr = FCPARAM(isp, chan)->role; 388 retval = 0; 389 break; 390 case ISP_SETROLE: 391 nr = *(int *)addr; 392 chan = nr >> 8; 393 if (chan < 0 || chan >= isp->isp_nchan) { 394 retval = -ENXIO; 395 break; 396 } 397 nr &= 0xff; 398 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 399 retval = EINVAL; 400 break; 401 } 402 ISP_LOCK(isp); 403 *(int *)addr = FCPARAM(isp, chan)->role; 404 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 405 ISP_UNLOCK(isp); 406 retval = 0; 407 break; 408 409 case ISP_RESETHBA: 410 ISP_LOCK(isp); 411 isp_reinit(isp, 0); 412 ISP_UNLOCK(isp); 413 retval = 0; 414 break; 415 416 case ISP_RESCAN: 417 chan = *(intptr_t *)addr; 418 if (chan < 0 || chan >= isp->isp_nchan) { 419 retval = -ENXIO; 420 break; 421 } 422 ISP_LOCK(isp); 423 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 424 retval = EIO; 425 } else { 426 retval = 0; 427 } 428 ISP_UNLOCK(isp); 429 break; 430 431 case ISP_FC_LIP: 432 chan = *(intptr_t *)addr; 433 if (chan < 0 || chan >= isp->isp_nchan) { 434 retval = -ENXIO; 435 break; 436 } 437 ISP_LOCK(isp); 438 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 439 retval = EIO; 440 } else { 441 retval = 0; 442 } 443 ISP_UNLOCK(isp); 444 break; 445 case ISP_FC_GETDINFO: 446 { 447 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 448 fcportdb_t *lp; 449 450 if (ifc->loopid >= MAX_FC_TARG) { 451 retval = EINVAL; 452 break; 453 } 454 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 455 if (lp->state != FC_PORTDB_STATE_NIL) { 456 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 457 ifc->loopid = lp->handle; 458 ifc->portid = lp->portid; 459 ifc->node_wwn = lp->node_wwn; 460 ifc->port_wwn = lp->port_wwn; 461 retval = 0; 462 } else { 463 retval = ENODEV; 464 } 465 break; 466 } 467 case ISP_FC_GETHINFO: 468 { 469 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 470 int chan = hba->fc_channel; 471 472 if (chan < 0 || chan >= isp->isp_nchan) { 473 retval = ENXIO; 474 break; 475 } 476 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 477 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 478 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 479 hba->fc_nchannels = isp->isp_nchan; 480 hba->fc_nports = MAX_FC_TARG; 481 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 482 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 483 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 484 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 485 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 486 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 487 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 488 retval = 0; 489 break; 490 } 491 case ISP_TSK_MGMT: 492 { 493 int needmarker; 494 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 495 uint16_t nphdl; 496 void *reqp; 497 uint8_t resp[QENTRY_LEN]; 498 isp24xx_tmf_t tmf; 499 isp24xx_statusreq_t sp; 500 fcparam *fcp; 501 fcportdb_t *lp; 502 int i; 503 504 chan = fct->chan; 505 if (chan < 0 || chan >= isp->isp_nchan) { 506 retval = -ENXIO; 507 break; 508 } 509 510 needmarker = retval = 0; 511 nphdl = fct->loopid; 512 ISP_LOCK(isp); 513 fcp = FCPARAM(isp, chan); 514 515 for (i = 0; i < MAX_FC_TARG; i++) { 516 lp = &fcp->portdb[i]; 517 if (lp->handle == nphdl) { 518 break; 519 } 520 } 521 if (i == MAX_FC_TARG) { 522 retval = ENXIO; 523 ISP_UNLOCK(isp); 524 break; 525 } 526 ISP_MEMZERO(&tmf, sizeof(tmf)); 527 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 528 tmf.tmf_header.rqs_entry_count = 1; 529 tmf.tmf_nphdl = lp->handle; 530 tmf.tmf_delay = 2; 531 tmf.tmf_timeout = 4; 532 tmf.tmf_tidlo = lp->portid; 533 tmf.tmf_tidhi = lp->portid >> 16; 534 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 535 tmf.tmf_lun[1] = fct->lun & 0xff; 536 if (fct->lun >= 256) { 537 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 538 } 539 switch (fct->action) { 540 case IPT_CLEAR_ACA: 541 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 542 break; 543 case IPT_TARGET_RESET: 544 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 545 needmarker = 1; 546 break; 547 case IPT_LUN_RESET: 548 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 549 needmarker = 1; 550 break; 551 case IPT_CLEAR_TASK_SET: 552 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 553 needmarker = 1; 554 break; 555 case IPT_ABORT_TASK_SET: 556 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 557 needmarker = 1; 558 break; 559 default: 560 retval = EINVAL; 561 break; 562 } 563 if (retval) { 564 ISP_UNLOCK(isp); 565 break; 566 } 567 568 /* Prepare space for response in memory */ 569 memset(resp, 0xff, sizeof(resp)); 570 tmf.tmf_handle = isp_allocate_handle(isp, resp, 571 ISP_HANDLE_CTRL); 572 if (tmf.tmf_handle == 0) { 573 isp_prt(isp, ISP_LOGERR, 574 "%s: TMF of Chan %d out of handles", 575 __func__, chan); 576 ISP_UNLOCK(isp); 577 retval = ENOMEM; 578 break; 579 } 580 581 /* Send request and wait for response. */ 582 reqp = isp_getrqentry(isp); 583 if (reqp == NULL) { 584 isp_prt(isp, ISP_LOGERR, 585 "%s: TMF of Chan %d out of rqent", 586 __func__, chan); 587 isp_destroy_handle(isp, tmf.tmf_handle); 588 ISP_UNLOCK(isp); 589 retval = EIO; 590 break; 591 } 592 isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp); 593 if (isp->isp_dblev & ISP_LOGDEBUG1) 594 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp); 595 ISP_SYNC_REQUEST(isp); 596 if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) { 597 isp_prt(isp, ISP_LOGERR, 598 "%s: TMF of Chan %d timed out", 599 __func__, chan); 600 isp_destroy_handle(isp, tmf.tmf_handle); 601 ISP_UNLOCK(isp); 602 retval = EIO; 603 break; 604 } 605 if (isp->isp_dblev & ISP_LOGDEBUG1) 606 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp); 607 isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp); 608 609 if (sp.req_completion_status != 0) 610 retval = EIO; 611 else if (needmarker) 612 fcp->sendmarker = 1; 613 ISP_UNLOCK(isp); 614 break; 615 } 616 default: 617 break; 618 } 619 return (retval); 620 } 621 622 /* 623 * Local Inlines 624 */ 625 626 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 627 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 628 629 static ISP_INLINE int 630 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 631 { 632 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 633 if (ISP_PCMD(ccb) == NULL) { 634 return (-1); 635 } 636 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 637 return (0); 638 } 639 640 static ISP_INLINE void 641 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 642 { 643 if (ISP_PCMD(ccb)) { 644 #ifdef ISP_TARGET_MODE 645 PISP_PCMD(ccb)->datalen = 0; 646 #endif 647 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 648 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 649 ISP_PCMD(ccb) = NULL; 650 } 651 } 652 653 /* 654 * Put the target mode functions here, because some are inlines 655 */ 656 #ifdef ISP_TARGET_MODE 657 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 658 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 659 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 660 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 661 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 662 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 663 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 664 static tstate_t *create_lun_state(ispsoftc_t *, int, struct cam_path *); 665 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 666 static void isp_enable_lun(ispsoftc_t *, union ccb *); 667 static void isp_disable_lun(ispsoftc_t *, union ccb *); 668 static callout_func_t isp_refire_notify_ack; 669 static void isp_complete_ctio(ispsoftc_t *isp, union ccb *); 670 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 671 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 672 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 673 static void isp_handle_platform_ctio(ispsoftc_t *, ct7_entry_t *); 674 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 675 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 676 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 677 678 static ISP_INLINE tstate_t * 679 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 680 { 681 struct isp_fc *fc = ISP_FC_PC(isp, bus); 682 tstate_t *tptr; 683 684 SLIST_FOREACH(tptr, &fc->lun_hash[LUN_HASH_FUNC(lun)], next) { 685 if (tptr->ts_lun == lun) 686 return (tptr); 687 } 688 return (NULL); 689 } 690 691 static int 692 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 693 { 694 inot_private_data_t *ntp; 695 struct ntpdlist rq; 696 697 if (STAILQ_EMPTY(&tptr->restart_queue)) 698 return (0); 699 STAILQ_INIT(&rq); 700 STAILQ_CONCAT(&rq, &tptr->restart_queue); 701 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 702 STAILQ_REMOVE_HEAD(&rq, next); 703 isp_prt(isp, ISP_LOGTDEBUG0, 704 "%s: restarting resrc deprived %x", __func__, 705 ((at7_entry_t *)ntp->data)->at_rxid); 706 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 707 isp_put_ntpd(isp, bus, ntp); 708 if (!STAILQ_EMPTY(&tptr->restart_queue)) 709 break; 710 } 711 if (!STAILQ_EMPTY(&rq)) { 712 STAILQ_CONCAT(&rq, &tptr->restart_queue); 713 STAILQ_CONCAT(&tptr->restart_queue, &rq); 714 } 715 return (!STAILQ_EMPTY(&tptr->restart_queue)); 716 } 717 718 static void 719 isp_tmcmd_restart(ispsoftc_t *isp) 720 { 721 struct isp_fc *fc; 722 tstate_t *tptr; 723 union ccb *ccb; 724 int bus, i; 725 726 for (bus = 0; bus < isp->isp_nchan; bus++) { 727 fc = ISP_FC_PC(isp, bus); 728 for (i = 0; i < LUN_HASH_SIZE; i++) { 729 SLIST_FOREACH(tptr, &fc->lun_hash[i], next) 730 isp_atio_restart(isp, bus, tptr); 731 } 732 733 /* 734 * We only need to do this once per channel. 735 */ 736 ccb = (union ccb *)TAILQ_FIRST(&fc->waitq); 737 if (ccb != NULL) { 738 TAILQ_REMOVE(&fc->waitq, &ccb->ccb_h, sim_links.tqe); 739 isp_target_start_ctio(isp, ccb, FROM_TIMER); 740 } 741 } 742 isp_rq_check_above(isp); 743 isp_rq_check_below(isp); 744 } 745 746 static atio_private_data_t * 747 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 748 { 749 struct isp_fc *fc = ISP_FC_PC(isp, chan); 750 atio_private_data_t *atp; 751 752 atp = LIST_FIRST(&fc->atfree); 753 if (atp) { 754 LIST_REMOVE(atp, next); 755 atp->tag = tag; 756 LIST_INSERT_HEAD(&fc->atused[ATPDPHASH(tag)], atp, next); 757 } 758 return (atp); 759 } 760 761 static atio_private_data_t * 762 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 763 { 764 struct isp_fc *fc = ISP_FC_PC(isp, chan); 765 atio_private_data_t *atp; 766 767 LIST_FOREACH(atp, &fc->atused[ATPDPHASH(tag)], next) { 768 if (atp->tag == tag) 769 return (atp); 770 } 771 return (NULL); 772 } 773 774 static void 775 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 776 { 777 struct isp_fc *fc = ISP_FC_PC(isp, chan); 778 779 if (atp->ests) 780 isp_put_ecmd(isp, atp->ests); 781 LIST_REMOVE(atp, next); 782 memset(atp, 0, sizeof (*atp)); 783 LIST_INSERT_HEAD(&fc->atfree, atp, next); 784 } 785 786 static void 787 isp_dump_atpd(ispsoftc_t *isp, int chan) 788 { 789 struct isp_fc *fc = ISP_FC_PC(isp, chan); 790 atio_private_data_t *atp; 791 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 792 793 for (atp = fc->atpool; atp < &fc->atpool[ATPDPSIZE]; atp++) { 794 if (atp->state == ATPD_STATE_FREE) 795 continue; 796 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", 797 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]); 798 } 799 } 800 801 static inot_private_data_t * 802 isp_get_ntpd(ispsoftc_t *isp, int chan) 803 { 804 struct isp_fc *fc = ISP_FC_PC(isp, chan); 805 inot_private_data_t *ntp; 806 807 ntp = STAILQ_FIRST(&fc->ntfree); 808 if (ntp) 809 STAILQ_REMOVE_HEAD(&fc->ntfree, next); 810 return (ntp); 811 } 812 813 static inot_private_data_t * 814 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 815 { 816 struct isp_fc *fc = ISP_FC_PC(isp, chan); 817 inot_private_data_t *ntp; 818 819 for (ntp = fc->ntpool; ntp < &fc->ntpool[ATPDPSIZE]; ntp++) { 820 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 821 return (ntp); 822 } 823 return (NULL); 824 } 825 826 static void 827 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 828 { 829 struct isp_fc *fc = ISP_FC_PC(isp, chan); 830 831 ntp->tag_id = ntp->seq_id = 0; 832 STAILQ_INSERT_HEAD(&fc->ntfree, ntp, next); 833 } 834 835 tstate_t * 836 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path) 837 { 838 struct isp_fc *fc = ISP_FC_PC(isp, bus); 839 lun_id_t lun; 840 tstate_t *tptr; 841 842 lun = xpt_path_lun_id(path); 843 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 844 if (tptr == NULL) 845 return (NULL); 846 tptr->ts_lun = lun; 847 SLIST_INIT(&tptr->atios); 848 SLIST_INIT(&tptr->inots); 849 STAILQ_INIT(&tptr->restart_queue); 850 SLIST_INSERT_HEAD(&fc->lun_hash[LUN_HASH_FUNC(lun)], tptr, next); 851 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 852 return (tptr); 853 } 854 855 static void 856 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 857 { 858 struct isp_fc *fc = ISP_FC_PC(isp, bus); 859 union ccb *ccb; 860 inot_private_data_t *ntp; 861 862 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 863 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 864 ccb->ccb_h.status = CAM_REQ_ABORTED; 865 xpt_done(ccb); 866 }; 867 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 868 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 869 ccb->ccb_h.status = CAM_REQ_ABORTED; 870 xpt_done(ccb); 871 } 872 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 873 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 874 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 875 isp_put_ntpd(isp, bus, ntp); 876 } 877 SLIST_REMOVE(&fc->lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], tptr, tstate, next); 878 free(tptr, M_DEVBUF); 879 } 880 881 static void 882 isp_enable_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 /* 890 * We only support either target and lun both wildcard 891 * or target and lun both non-wildcard. 892 */ 893 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 894 "enabling lun %jx\n", (uintmax_t)lun); 895 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 896 ccb->ccb_h.status = CAM_LUN_INVALID; 897 xpt_done(ccb); 898 return; 899 } 900 901 /* Create the state pointer. It should not already exist. */ 902 tptr = get_lun_statep(isp, bus, lun); 903 if (tptr) { 904 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 905 xpt_done(ccb); 906 return; 907 } 908 tptr = create_lun_state(isp, bus, ccb->ccb_h.path); 909 if (tptr == NULL) { 910 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 911 xpt_done(ccb); 912 return; 913 } 914 915 ccb->ccb_h.status = CAM_REQ_CMP; 916 xpt_done(ccb); 917 } 918 919 static void 920 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 921 { 922 tstate_t *tptr; 923 int bus = XS_CHANNEL(ccb); 924 target_id_t target = ccb->ccb_h.target_id; 925 lun_id_t lun = ccb->ccb_h.target_lun; 926 927 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 928 "disabling lun %jx\n", (uintmax_t)lun); 929 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 930 ccb->ccb_h.status = CAM_LUN_INVALID; 931 xpt_done(ccb); 932 return; 933 } 934 935 /* Find the state pointer. */ 936 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 937 ccb->ccb_h.status = CAM_PATH_INVALID; 938 xpt_done(ccb); 939 return; 940 } 941 942 destroy_lun_state(isp, bus, tptr); 943 ccb->ccb_h.status = CAM_REQ_CMP; 944 xpt_done(ccb); 945 } 946 947 static void 948 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 949 { 950 int fctape, sendstatus, resid; 951 fcparam *fcp; 952 atio_private_data_t *atp; 953 struct ccb_scsiio *cso; 954 struct isp_ccbq *waitq; 955 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 956 ct7_entry_t local, *cto = &local; 957 958 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, 959 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 960 961 waitq = &ISP_FC_PC(isp, XS_CHANNEL(ccb))->waitq; 962 switch (how) { 963 case FROM_CAM: 964 /* 965 * Insert at the tail of the list, if any, waiting CTIO CCBs 966 */ 967 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 968 break; 969 case FROM_TIMER: 970 case FROM_SRR: 971 case FROM_CTIO_DONE: 972 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 973 break; 974 } 975 976 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 977 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 978 979 cso = &ccb->csio; 980 xfrlen = cso->dxfer_len; 981 if (xfrlen == 0) { 982 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 983 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 984 ccb->ccb_h.status = CAM_REQ_INVALID; 985 xpt_done(ccb); 986 continue; 987 } 988 } 989 990 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 991 if (atp == NULL) { 992 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 993 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 994 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 995 xpt_done(ccb); 996 continue; 997 } 998 999 /* 1000 * Is this command a dead duck? 1001 */ 1002 if (atp->dead) { 1003 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1004 ccb->ccb_h.status = CAM_REQ_ABORTED; 1005 xpt_done(ccb); 1006 continue; 1007 } 1008 1009 /* 1010 * Check to make sure we're still in target mode. 1011 */ 1012 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1013 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1014 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1015 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1016 xpt_done(ccb); 1017 continue; 1018 } 1019 1020 /* 1021 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1022 * could be split into two CTIOs to split data and status). 1023 */ 1024 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1025 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); 1026 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1027 break; 1028 } 1029 1030 /* 1031 * Does the initiator expect FC-Tape style responses? 1032 */ 1033 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1034 fctape = 1; 1035 } else { 1036 fctape = 0; 1037 } 1038 1039 /* 1040 * If we already did the data xfer portion of a CTIO that sends data 1041 * and status, don't do it again and do the status portion now. 1042 */ 1043 if (atp->sendst) { 1044 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1045 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1046 xfrlen = 0; /* we already did the data transfer */ 1047 atp->sendst = 0; 1048 } 1049 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1050 sendstatus = 1; 1051 } else { 1052 sendstatus = 0; 1053 } 1054 1055 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1056 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1057 /* 1058 * Sense length is not the entire sense data structure size. Periph 1059 * drivers don't seem to be setting sense_len to reflect the actual 1060 * size. We'll peek inside to get the right amount. 1061 */ 1062 sense_length = cso->sense_len; 1063 1064 /* 1065 * This 'cannot' happen 1066 */ 1067 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1068 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1069 } 1070 } else { 1071 sense_length = 0; 1072 } 1073 1074 /* 1075 * Check for overflow 1076 */ 1077 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1078 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1079 isp_prt(isp, ISP_LOGERR, 1080 "%s: [0x%x] data overflow by %u bytes", __func__, 1081 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1082 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1083 xpt_done(ccb); 1084 continue; 1085 } 1086 if (xfrlen > atp->orig_datalen - tmp) { 1087 xfrlen = atp->orig_datalen - tmp; 1088 if (xfrlen == 0 && !sendstatus) { 1089 cso->resid = cso->dxfer_len; 1090 ccb->ccb_h.status = CAM_REQ_CMP; 1091 xpt_done(ccb); 1092 continue; 1093 } 1094 } 1095 1096 memset(cto, 0, QENTRY_LEN); 1097 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1098 cto->ct_header.rqs_entry_count = 1; 1099 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1100 ATPD_SET_SEQNO(cto, atp); 1101 cto->ct_nphdl = atp->nphdl; 1102 cto->ct_rxid = atp->tag; 1103 cto->ct_iid_lo = atp->sid; 1104 cto->ct_iid_hi = atp->sid >> 16; 1105 cto->ct_oxid = atp->oxid; 1106 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1107 cto->ct_timeout = XS_TIME(ccb); 1108 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1109 1110 /* 1111 * Mode 1, status, no data. Only possible when we are sending status, have 1112 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1113 * 1114 * Mode 2, status, no data. We have to use this in the case that 1115 * the sense data won't fit into a ct7_entry_t. 1116 * 1117 */ 1118 if (sendstatus && xfrlen == 0) { 1119 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1120 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1121 if (sense_length <= MAXRESPLEN_24XX) { 1122 cto->ct_flags |= CT7_FLAG_MODE1; 1123 cto->ct_scsi_status = cso->scsi_status; 1124 if (resid < 0) { 1125 cto->ct_resid = -resid; 1126 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1127 } else if (resid > 0) { 1128 cto->ct_resid = resid; 1129 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1130 } 1131 if (fctape) { 1132 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1133 } 1134 if (sense_length) { 1135 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1136 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1137 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1138 } 1139 } else { 1140 bus_addr_t addr; 1141 fcp_rsp_iu_t rp; 1142 1143 if (atp->ests == NULL) { 1144 atp->ests = isp_get_ecmd(isp); 1145 if (atp->ests == NULL) { 1146 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1147 break; 1148 } 1149 } 1150 memset(&rp, 0, sizeof(rp)); 1151 if (fctape) { 1152 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1153 rp.fcp_rsp_bits |= FCP_CONF_REQ; 1154 } 1155 cto->ct_flags |= CT7_FLAG_MODE2; 1156 rp.fcp_rsp_scsi_status = cso->scsi_status; 1157 if (resid < 0) { 1158 rp.fcp_rsp_resid = -resid; 1159 rp.fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1160 } else if (resid > 0) { 1161 rp.fcp_rsp_resid = resid; 1162 rp.fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1163 } 1164 if (sense_length) { 1165 rp.fcp_rsp_snslen = sense_length; 1166 cto->ct_senselen = sense_length; 1167 rp.fcp_rsp_bits |= FCP_SNSLEN_VALID; 1168 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1169 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1170 } else { 1171 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1172 } 1173 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1174 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1175 } 1176 bus_dmamap_sync(isp->isp_osinfo.ecmd_dmat, isp->isp_osinfo.ecmd_map, BUS_DMASYNC_PREWRITE); 1177 addr = isp->isp_osinfo.ecmd_dma; 1178 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1179 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, 1180 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1181 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1182 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1183 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1184 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1185 } 1186 if (sense_length) { 1187 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__, 1188 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, 1189 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1190 } else { 1191 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1192 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1193 } 1194 atp->state = ATPD_STATE_LAST_CTIO; 1195 } 1196 1197 /* 1198 * Mode 0 data transfers, *possibly* with status. 1199 */ 1200 if (xfrlen != 0) { 1201 cto->ct_flags |= CT7_FLAG_MODE0; 1202 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1203 cto->ct_flags |= CT7_DATA_IN; 1204 } else { 1205 cto->ct_flags |= CT7_DATA_OUT; 1206 } 1207 1208 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1209 cto->rsp.m0.ct_xfrlen = xfrlen; 1210 1211 #ifdef DEBUG 1212 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1213 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1214 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1215 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1216 } 1217 #endif 1218 if (sendstatus) { 1219 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1220 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1221 cto->ct_flags |= CT7_SENDSTATUS; 1222 atp->state = ATPD_STATE_LAST_CTIO; 1223 if (fctape) { 1224 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1225 } 1226 } else { 1227 atp->sendst = 1; /* send status later */ 1228 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1229 atp->state = ATPD_STATE_CTIO; 1230 } 1231 } else { 1232 atp->state = ATPD_STATE_CTIO; 1233 } 1234 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__, 1235 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1236 } 1237 1238 if (isp_get_pcmd(isp, ccb)) { 1239 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1240 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1241 break; 1242 } 1243 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1244 if (handle == 0) { 1245 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1246 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1247 isp_free_pcmd(isp, ccb); 1248 break; 1249 } 1250 atp->bytes_in_transit += xfrlen; 1251 PISP_PCMD(ccb)->datalen = xfrlen; 1252 1253 /* 1254 * Call the dma setup routines for this entry (and any subsequent 1255 * CTIOs) if there's data to move, and then tell the f/w it's got 1256 * new things to play with. As with isp_start's usage of DMA setup, 1257 * any swizzling is done in the machine dependent layer. Because 1258 * of this, we put the request onto the queue area first in native 1259 * format. 1260 */ 1261 cto->ct_syshandle = handle; 1262 dmaresult = ISP_DMASETUP(isp, cso, cto); 1263 if (dmaresult != 0) { 1264 isp_destroy_handle(isp, handle); 1265 isp_free_pcmd(isp, ccb); 1266 if (dmaresult == CMD_EAGAIN) { 1267 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1268 break; 1269 } 1270 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1271 xpt_done(ccb); 1272 continue; 1273 } 1274 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1275 if (xfrlen) { 1276 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1277 } else { 1278 ccb->ccb_h.spriv_field0 = ~0; 1279 } 1280 atp->ctcnt++; 1281 atp->seqno++; 1282 } 1283 } 1284 1285 static void 1286 isp_refire_notify_ack(void *arg) 1287 { 1288 isp_tna_t *tp = arg; 1289 ispsoftc_t *isp = tp->isp; 1290 1291 ISP_ASSERT_LOCKED(isp); 1292 if (isp_notify_ack(isp, tp->not)) { 1293 callout_schedule(&tp->timer, 5); 1294 } else { 1295 free(tp, M_DEVBUF); 1296 } 1297 } 1298 1299 1300 static void 1301 isp_complete_ctio(ispsoftc_t *isp, union ccb *ccb) 1302 { 1303 1304 isp_rq_check_below(isp); 1305 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1306 xpt_done(ccb); 1307 } 1308 1309 static void 1310 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1311 { 1312 int cdbxlen; 1313 lun_id_t lun; 1314 uint16_t chan, nphdl = NIL_HANDLE; 1315 uint32_t did, sid; 1316 fcportdb_t *lp; 1317 tstate_t *tptr; 1318 struct ccb_accept_tio *atiop; 1319 atio_private_data_t *atp = NULL; 1320 atio_private_data_t *oatp; 1321 inot_private_data_t *ntp; 1322 1323 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1324 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1325 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1326 1327 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1328 /* Channel has to be derived from D_ID */ 1329 isp_find_chan_by_did(isp, did, &chan); 1330 if (chan == ISP_NOCHAN) { 1331 isp_prt(isp, ISP_LOGWARN, 1332 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1333 __func__, aep->at_rxid, did); 1334 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1335 ECMD_TERMINATE, 0); 1336 return; 1337 } 1338 } else { 1339 chan = 0; 1340 } 1341 1342 /* 1343 * Find the PDB entry for this initiator 1344 */ 1345 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1346 /* 1347 * If we're not in the port database terminate the exchange. 1348 */ 1349 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", 1350 __func__, aep->at_rxid, did, chan, sid); 1351 isp_dump_portdb(isp, chan); 1352 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1353 return; 1354 } 1355 nphdl = lp->handle; 1356 1357 /* 1358 * Get the tstate pointer 1359 */ 1360 tptr = get_lun_statep(isp, chan, lun); 1361 if (tptr == NULL) { 1362 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1363 if (tptr == NULL) { 1364 isp_prt(isp, ISP_LOGWARN, 1365 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1366 __func__, aep->at_rxid, (uintmax_t)lun); 1367 if (lun == 0) { 1368 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1369 } else { 1370 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1371 } 1372 return; 1373 } 1374 } 1375 1376 /* 1377 * Start any commands pending resources first. 1378 */ 1379 if (isp_atio_restart(isp, chan, tptr)) 1380 goto noresrc; 1381 1382 /* 1383 * If the f/w is out of resources, just send a BUSY status back. 1384 */ 1385 if (aep->at_rxid == AT7_NORESRC_RXID) { 1386 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1387 return; 1388 } 1389 1390 /* 1391 * If we're out of resources, just send a BUSY status back. 1392 */ 1393 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1394 if (atiop == NULL) { 1395 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1396 goto noresrc; 1397 } 1398 1399 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1400 if (oatp) { 1401 isp_prt(isp, oatp->state == ATPD_STATE_LAST_CTIO ? ISP_LOGTDEBUG0 : 1402 ISP_LOGWARN, "[0x%x] tag wraparound (N-Port Handle " 1403 "0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d", 1404 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1405 /* 1406 * It's not a "no resource" condition- but we can treat it like one 1407 */ 1408 goto noresrc; 1409 } 1410 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1411 if (atp == NULL) { 1412 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1413 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1414 return; 1415 } 1416 atp->word3 = lp->prli_word3; 1417 atp->state = ATPD_STATE_ATIO; 1418 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1419 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1420 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1421 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1422 atiop->ccb_h.target_lun = lun; 1423 atiop->sense_len = 0; 1424 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1425 if (cdbxlen) { 1426 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1427 } 1428 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1429 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1430 atiop->cdb_len = cdbxlen; 1431 atiop->ccb_h.status = CAM_CDB_RECVD; 1432 atiop->tag_id = atp->tag; 1433 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1434 case FCP_CMND_TASK_ATTR_SIMPLE: 1435 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1436 atiop->tag_action = MSG_SIMPLE_TASK; 1437 break; 1438 case FCP_CMND_TASK_ATTR_HEAD: 1439 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1440 atiop->tag_action = MSG_HEAD_OF_QUEUE_TASK; 1441 break; 1442 case FCP_CMND_TASK_ATTR_ORDERED: 1443 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1444 atiop->tag_action = MSG_ORDERED_TASK; 1445 break; 1446 case FCP_CMND_TASK_ATTR_ACA: 1447 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1448 atiop->tag_action = MSG_ACA_TASK; 1449 break; 1450 case FCP_CMND_TASK_ATTR_UNTAGGED: 1451 default: 1452 atiop->tag_action = 0; 1453 break; 1454 } 1455 atiop->priority = (aep->at_cmnd.fcp_cmnd_task_attribute & 1456 FCP_CMND_PRIO_MASK) >> FCP_CMND_PRIO_SHIFT; 1457 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1458 atp->bytes_xfered = 0; 1459 atp->lun = lun; 1460 atp->nphdl = nphdl; 1461 atp->sid = sid; 1462 atp->did = did; 1463 atp->oxid = aep->at_hdr.ox_id; 1464 atp->rxid = aep->at_hdr.rx_id; 1465 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1466 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1467 atp->state = ATPD_STATE_CAM; 1468 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1469 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1470 xpt_done((union ccb *)atiop); 1471 return; 1472 noresrc: 1473 KASSERT(atp == NULL, ("%s: atp is not NULL on noresrc!\n", __func__)); 1474 ntp = isp_get_ntpd(isp, chan); 1475 if (ntp == NULL) { 1476 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1477 return; 1478 } 1479 memcpy(ntp->data, aep, QENTRY_LEN); 1480 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1481 } 1482 1483 1484 /* 1485 * Handle starting an SRR (sequence retransmit request) 1486 * We get here when we've gotten the immediate notify 1487 * and the return of all outstanding CTIOs for this 1488 * transaction. 1489 */ 1490 static void 1491 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1492 { 1493 in_fcentry_24xx_t *inot; 1494 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1495 union ccb *ccb; 1496 1497 inot = (in_fcentry_24xx_t *)atp->srr; 1498 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1499 ccb = atp->srr_ccb; 1500 atp->srr_ccb = NULL; 1501 atp->nsrr++; 1502 if (ccb == NULL) { 1503 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1504 goto fail; 1505 } 1506 1507 ccb_off = ccb->ccb_h.spriv_field0; 1508 ccb_len = ccb->csio.dxfer_len; 1509 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1510 1511 switch (inot->in_srr_iu) { 1512 case R_CTL_INFO_SOLICITED_DATA: 1513 /* 1514 * We have to restart a FCP_DATA data out transaction 1515 */ 1516 atp->sendst = 0; 1517 atp->bytes_xfered = srr_off; 1518 if (ccb_len == 0) { 1519 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 1520 goto mdp; 1521 } 1522 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 1523 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); 1524 goto mdp; 1525 } 1526 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); 1527 break; 1528 case R_CTL_INFO_COMMAND_STATUS: 1529 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 1530 atp->sendst = 1; 1531 /* 1532 * We have to restart a FCP_RSP IU transaction 1533 */ 1534 break; 1535 case R_CTL_INFO_DATA_DESCRIPTOR: 1536 /* 1537 * We have to restart an FCP DATA in transaction 1538 */ 1539 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 1540 goto fail; 1541 1542 default: 1543 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 1544 goto fail; 1545 } 1546 1547 /* 1548 * We can't do anything until this is acked, so we might as well start it now. 1549 * We aren't going to do the usual asynchronous ack issue because we need 1550 * to make sure this gets on the wire first. 1551 */ 1552 if (isp_notify_ack(isp, inot)) { 1553 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 1554 goto fail; 1555 } 1556 isp_target_start_ctio(isp, ccb, FROM_SRR); 1557 return; 1558 fail: 1559 inot->in_reserved = 1; 1560 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 1561 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1562 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1563 isp_complete_ctio(isp, ccb); 1564 return; 1565 mdp: 1566 if (isp_notify_ack(isp, inot)) { 1567 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 1568 goto fail; 1569 } 1570 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1571 ccb->ccb_h.status |= CAM_MESSAGE_RECV; 1572 /* 1573 * This is not a strict interpretation of MDP, but it's close 1574 */ 1575 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 1576 ccb->csio.msg_len = 7; 1577 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 1578 ccb->csio.msg_ptr[1] = 5; 1579 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 1580 ccb->csio.msg_ptr[3] = srr_off >> 24; 1581 ccb->csio.msg_ptr[4] = srr_off >> 16; 1582 ccb->csio.msg_ptr[5] = srr_off >> 8; 1583 ccb->csio.msg_ptr[6] = srr_off; 1584 isp_complete_ctio(isp, ccb); 1585 } 1586 1587 1588 static void 1589 isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 1590 { 1591 in_fcentry_24xx_t *inot = notify->nt_lreserved; 1592 atio_private_data_t *atp; 1593 uint32_t tag = notify->nt_tagval & 0xffffffff; 1594 1595 atp = isp_find_atpd(isp, notify->nt_channel, tag); 1596 if (atp == NULL) { 1597 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 1598 __func__, tag); 1599 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 1600 return; 1601 } 1602 atp->srr_notify_rcvd = 1; 1603 memcpy(atp->srr, inot, sizeof (atp->srr)); 1604 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 1605 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 1606 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 1607 if (atp->srr_ccb) 1608 isp_handle_srr_start(isp, atp); 1609 } 1610 1611 static void 1612 isp_handle_platform_ctio(ispsoftc_t *isp, ct7_entry_t *ct) 1613 { 1614 union ccb *ccb; 1615 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 1616 atio_private_data_t *atp = NULL; 1617 int bus; 1618 uint32_t handle, data_requested, resid; 1619 1620 handle = ct->ct_syshandle; 1621 ccb = isp_find_xs(isp, handle); 1622 if (ccb == NULL) { 1623 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, ct); 1624 return; 1625 } 1626 isp_destroy_handle(isp, handle); 1627 resid = data_requested = PISP_PCMD(ccb)->datalen; 1628 isp_free_pcmd(isp, ccb); 1629 1630 bus = XS_CHANNEL(ccb); 1631 atp = isp_find_atpd(isp, bus, ct->ct_rxid); 1632 if (atp == NULL) { 1633 /* 1634 * XXX: isp_clear_commands() generates fake CTIO with zero 1635 * ct_rxid value, filling only ct_syshandle. Workaround 1636 * that using tag_id from the CCB, pointed by ct_syshandle. 1637 */ 1638 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 1639 } 1640 if (atp == NULL) { 1641 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 1642 return; 1643 } 1644 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 1645 atp->bytes_in_transit -= data_requested; 1646 atp->ctcnt -= 1; 1647 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1648 1649 if (ct->ct_nphdl == CT7_SRR) { 1650 atp->srr_ccb = ccb; 1651 if (atp->srr_notify_rcvd) 1652 isp_handle_srr_start(isp, atp); 1653 return; 1654 } 1655 if (ct->ct_nphdl == CT_HBA_RESET) { 1656 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 1657 (atp->sendst == 0); 1658 failure = CAM_UNREC_HBA_ERROR; 1659 } else { 1660 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 1661 ok = (ct->ct_nphdl == CT7_OK); 1662 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 1663 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 1664 resid = ct->ct_resid; 1665 } 1666 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), 1667 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 1668 if (ok) { 1669 if (data_requested > 0) { 1670 atp->bytes_xfered += data_requested - resid; 1671 ccb->csio.resid = ccb->csio.dxfer_len - 1672 (data_requested - resid); 1673 } 1674 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 1675 ccb->ccb_h.status |= CAM_SENT_SENSE; 1676 ccb->ccb_h.status |= CAM_REQ_CMP; 1677 } else { 1678 notify_cam = 1; 1679 if (failure == CAM_UNREC_HBA_ERROR) 1680 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 1681 else 1682 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1683 } 1684 atp->state = ATPD_STATE_PDON; 1685 1686 /* 1687 * We never *not* notify CAM when there has been any error (ok == 0), 1688 * so we never need to do an ATIO putback if we're not notifying CAM. 1689 */ 1690 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 1691 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 1692 if (notify_cam == 0) { 1693 if (atp->sendst) { 1694 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 1695 } 1696 return; 1697 } 1698 1699 /* 1700 * We are done with this ATIO if we successfully sent status. 1701 * In all other cases expect either another CTIO or XPT_ABORT. 1702 */ 1703 if (ok && sentstatus) 1704 isp_put_atpd(isp, bus, atp); 1705 1706 /* 1707 * We're telling CAM we're done with this CTIO transaction. 1708 * 1709 * 24XX cards never need an ATIO put back. 1710 */ 1711 isp_complete_ctio(isp, ccb); 1712 } 1713 1714 static int 1715 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 1716 { 1717 ct7_entry_t local, *cto = &local; 1718 1719 if (isp->isp_state != ISP_RUNSTATE) { 1720 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 1721 return (0); 1722 } 1723 1724 /* 1725 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 1726 */ 1727 if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 1728 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 1729 fcportdb_t *lp; 1730 uint32_t sid; 1731 uint16_t nphdl; 1732 1733 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1734 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 1735 nphdl = lp->handle; 1736 } else { 1737 nphdl = NIL_HANDLE; 1738 } 1739 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 1740 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1741 cto->ct_header.rqs_entry_count = 1; 1742 cto->ct_nphdl = nphdl; 1743 cto->ct_rxid = aep->at_rxid; 1744 cto->ct_vpidx = mp->nt_channel; 1745 cto->ct_iid_lo = sid; 1746 cto->ct_iid_hi = sid >> 16; 1747 cto->ct_oxid = aep->at_hdr.ox_id; 1748 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 1749 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 1750 if (rsp != 0) { 1751 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 1752 cto->rsp.m1.ct_resplen = 4; 1753 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 1754 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 1755 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 1756 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 1757 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 1758 } 1759 return (isp_target_put_entry(isp, &cto)); 1760 } 1761 1762 /* 1763 * This case is for a responding to an ABTS frame 1764 */ 1765 if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 1766 1767 /* 1768 * Overload nt_need_ack here to mark whether we've terminated the associated command. 1769 */ 1770 if (mp->nt_need_ack) { 1771 abts_t *abts = (abts_t *)mp->nt_lreserved; 1772 1773 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 1774 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 1775 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1776 cto->ct_header.rqs_entry_count = 1; 1777 cto->ct_nphdl = mp->nt_nphdl; 1778 cto->ct_rxid = abts->abts_rxid_task; 1779 cto->ct_iid_lo = mp->nt_sid; 1780 cto->ct_iid_hi = mp->nt_sid >> 16; 1781 cto->ct_oxid = abts->abts_ox_id; 1782 cto->ct_vpidx = mp->nt_channel; 1783 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 1784 if (isp_target_put_entry(isp, cto)) { 1785 return (ENOMEM); 1786 } 1787 mp->nt_need_ack = 0; 1788 } 1789 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 1790 return (ENOMEM); 1791 } else { 1792 return (0); 1793 } 1794 } 1795 1796 /* 1797 * Handle logout cases here 1798 */ 1799 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 1800 isp_del_all_wwn_entries(isp, mp->nt_channel); 1801 } 1802 1803 if (mp->nt_ncode == NT_LOGOUT) 1804 isp_del_wwn_entries(isp, mp); 1805 1806 /* 1807 * General purpose acknowledgement 1808 */ 1809 if (mp->nt_need_ack) { 1810 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 1811 /* 1812 * Don't need to use the guaranteed send because the caller can retry 1813 */ 1814 return (isp_notify_ack(isp, mp->nt_lreserved)); 1815 } 1816 return (0); 1817 } 1818 1819 /* 1820 * Handle task management functions. 1821 * 1822 * We show up here with a notify structure filled out. 1823 * 1824 * The nt_lreserved tag points to the original queue entry 1825 */ 1826 static void 1827 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 1828 { 1829 tstate_t *tptr; 1830 fcportdb_t *lp; 1831 struct ccb_immediate_notify *inot; 1832 inot_private_data_t *ntp = NULL; 1833 atio_private_data_t *atp; 1834 lun_id_t lun; 1835 1836 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode, 1837 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 1838 if (notify->nt_lun == LUN_ANY) { 1839 if (notify->nt_tagval == TAG_ANY) { 1840 lun = CAM_LUN_WILDCARD; 1841 } else { 1842 atp = isp_find_atpd(isp, notify->nt_channel, 1843 notify->nt_tagval & 0xffffffff); 1844 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 1845 } 1846 } else { 1847 lun = notify->nt_lun; 1848 } 1849 tptr = get_lun_statep(isp, notify->nt_channel, lun); 1850 if (tptr == NULL) { 1851 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 1852 if (tptr == NULL) { 1853 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 1854 goto bad; 1855 } 1856 } 1857 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 1858 if (inot == NULL) { 1859 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 1860 goto bad; 1861 } 1862 1863 inot->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1864 inot->ccb_h.target_lun = lun; 1865 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 1866 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 1867 inot->initiator_id = CAM_TARGET_WILDCARD; 1868 } else { 1869 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 1870 } 1871 inot->seq_id = notify->nt_tagval; 1872 inot->tag_id = notify->nt_tagval >> 32; 1873 1874 switch (notify->nt_ncode) { 1875 case NT_ABORT_TASK: 1876 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 1877 inot->arg = MSG_ABORT_TASK; 1878 break; 1879 case NT_ABORT_TASK_SET: 1880 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 1881 inot->arg = MSG_ABORT_TASK_SET; 1882 break; 1883 case NT_CLEAR_ACA: 1884 inot->arg = MSG_CLEAR_ACA; 1885 break; 1886 case NT_CLEAR_TASK_SET: 1887 inot->arg = MSG_CLEAR_TASK_SET; 1888 break; 1889 case NT_LUN_RESET: 1890 inot->arg = MSG_LOGICAL_UNIT_RESET; 1891 break; 1892 case NT_TARGET_RESET: 1893 inot->arg = MSG_TARGET_RESET; 1894 break; 1895 case NT_QUERY_TASK_SET: 1896 inot->arg = MSG_QUERY_TASK_SET; 1897 break; 1898 case NT_QUERY_ASYNC_EVENT: 1899 inot->arg = MSG_QUERY_ASYNC_EVENT; 1900 break; 1901 default: 1902 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); 1903 goto bad; 1904 } 1905 1906 ntp = isp_get_ntpd(isp, notify->nt_channel); 1907 if (ntp == NULL) { 1908 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 1909 goto bad; 1910 } 1911 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 1912 if (notify->nt_lreserved) { 1913 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 1914 ntp->nt.nt_lreserved = &ntp->data; 1915 } 1916 ntp->seq_id = notify->nt_tagval; 1917 ntp->tag_id = notify->nt_tagval >> 32; 1918 1919 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 1920 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 1921 inot->ccb_h.status = CAM_MESSAGE_RECV; 1922 xpt_done((union ccb *)inot); 1923 return; 1924 bad: 1925 if (notify->nt_need_ack) { 1926 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 1927 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 1928 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 1929 } 1930 } else { 1931 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 1932 } 1933 } 1934 } 1935 1936 static void 1937 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 1938 { 1939 struct isp_fc *fc = ISP_FC_PC(isp, chan); 1940 atio_private_data_t *atp; 1941 inot_private_data_t *ntp, *tmp; 1942 uint32_t this_tag_id; 1943 1944 /* 1945 * First, clean any commands pending restart 1946 */ 1947 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 1948 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 1949 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 1950 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 1951 ECMD_TERMINATE, 0); 1952 isp_put_ntpd(isp, chan, ntp); 1953 STAILQ_REMOVE(&tptr->restart_queue, ntp, 1954 inot_private_data, next); 1955 } 1956 } 1957 1958 /* 1959 * Now mark other ones dead as well. 1960 */ 1961 for (atp = fc->atpool; atp < &fc->atpool[ATPDPSIZE]; atp++) { 1962 if (atp->lun != tptr->ts_lun) 1963 continue; 1964 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 1965 atp->dead = 1; 1966 } 1967 } 1968 #endif 1969 1970 static void 1971 isp_poll(struct cam_sim *sim) 1972 { 1973 ispsoftc_t *isp = cam_sim_softc(sim); 1974 1975 ISP_RUN_ISR(isp); 1976 } 1977 1978 1979 static void 1980 isp_watchdog(void *arg) 1981 { 1982 struct ccb_scsiio *xs = arg; 1983 ispsoftc_t *isp; 1984 uint32_t ohandle = ISP_HANDLE_FREE, handle; 1985 1986 isp = XS_ISP(xs); 1987 1988 handle = isp_find_handle(isp, xs); 1989 1990 /* 1991 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 1992 */ 1993 if (handle != ISP_HANDLE_FREE) { 1994 ISP_RUN_ISR(isp); 1995 ohandle = handle; 1996 handle = isp_find_handle(isp, xs); 1997 } 1998 if (handle != ISP_HANDLE_FREE) { 1999 /* 2000 * Try and make sure the command is really dead before 2001 * we release the handle (and DMA resources) for reuse. 2002 * 2003 * If we are successful in aborting the command then 2004 * we're done here because we'll get the command returned 2005 * back separately. 2006 */ 2007 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2008 return; 2009 } 2010 2011 /* 2012 * Note that after calling the above, the command may in 2013 * fact have been completed. 2014 */ 2015 xs = isp_find_xs(isp, handle); 2016 2017 /* 2018 * If the command no longer exists, then we won't 2019 * be able to find the xs again with this handle. 2020 */ 2021 if (xs == NULL) { 2022 return; 2023 } 2024 2025 /* 2026 * After this point, the command is really dead. 2027 */ 2028 ISP_DMAFREE(isp, xs); 2029 isp_destroy_handle(isp, handle); 2030 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 2031 XS_SETERR(xs, CAM_CMD_TIMEOUT); 2032 isp_done(xs); 2033 } else { 2034 if (ohandle != ISP_HANDLE_FREE) { 2035 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 2036 } else { 2037 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 2038 } 2039 } 2040 } 2041 2042 static void 2043 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2044 { 2045 union ccb *ccb; 2046 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2047 2048 /* 2049 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2050 */ 2051 ccb = xpt_alloc_ccb_nowait(); 2052 if (ccb == NULL) { 2053 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2054 return; 2055 } 2056 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2057 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2058 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2059 xpt_free_ccb(ccb); 2060 return; 2061 } 2062 xpt_rescan(ccb); 2063 } 2064 2065 static void 2066 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2067 { 2068 struct cam_path *tp; 2069 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2070 2071 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2072 xpt_async(AC_LOST_DEVICE, tp, NULL); 2073 xpt_free_path(tp); 2074 } 2075 } 2076 2077 /* 2078 * Gone Device Timer Function- when we have decided that a device has gone 2079 * away, we wait a specific period of time prior to telling the OS it has 2080 * gone away. 2081 * 2082 * This timer function fires once a second and then scans the port database 2083 * for devices that are marked dead but still have a virtual target assigned. 2084 * We decrement a counter for that port database entry, and when it hits zero, 2085 * we tell the OS the device has gone away. 2086 */ 2087 static void 2088 isp_gdt(void *arg) 2089 { 2090 struct isp_fc *fc = arg; 2091 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2092 } 2093 2094 static void 2095 isp_gdt_task(void *arg, int pending) 2096 { 2097 struct isp_fc *fc = arg; 2098 ispsoftc_t *isp = fc->isp; 2099 int chan = fc - ISP_FC_PC(isp, 0); 2100 fcportdb_t *lp; 2101 struct ac_contract ac; 2102 struct ac_device_changed *adc; 2103 int dbidx, more_to_do = 0; 2104 2105 ISP_LOCK(isp); 2106 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2107 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2108 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2109 2110 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2111 continue; 2112 } 2113 if (lp->gone_timer != 0) { 2114 lp->gone_timer -= 1; 2115 more_to_do++; 2116 continue; 2117 } 2118 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2119 if (lp->is_target) { 2120 lp->is_target = 0; 2121 isp_make_gone(isp, lp, chan, dbidx); 2122 } 2123 if (lp->is_initiator) { 2124 lp->is_initiator = 0; 2125 ac.contract_number = AC_CONTRACT_DEV_CHG; 2126 adc = (struct ac_device_changed *) ac.contract_data; 2127 adc->wwpn = lp->port_wwn; 2128 adc->port = lp->portid; 2129 adc->target = dbidx; 2130 adc->arrived = 0; 2131 xpt_async(AC_CONTRACT, fc->path, &ac); 2132 } 2133 lp->state = FC_PORTDB_STATE_NIL; 2134 } 2135 if (fc->ready) { 2136 if (more_to_do) { 2137 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2138 } else { 2139 callout_deactivate(&fc->gdt); 2140 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2141 } 2142 } 2143 ISP_UNLOCK(isp); 2144 } 2145 2146 /* 2147 * When loop goes down we remember the time and freeze CAM command queue. 2148 * During some time period we are trying to reprobe the loop. But if we 2149 * fail, we tell the OS that devices have gone away and drop the freeze. 2150 * 2151 * We don't clear the devices out of our port database because, when loop 2152 * come back up, we have to do some actual cleanup with the chip at that 2153 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2154 */ 2155 static void 2156 isp_loop_changed(ispsoftc_t *isp, int chan) 2157 { 2158 fcparam *fcp = FCPARAM(isp, chan); 2159 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2160 2161 if (fc->loop_down_time) 2162 return; 2163 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2164 if (fcp->role & ISP_ROLE_INITIATOR) 2165 isp_freeze_loopdown(isp, chan); 2166 fc->loop_down_time = time_uptime; 2167 wakeup(fc); 2168 } 2169 2170 static void 2171 isp_loop_up(ispsoftc_t *isp, int chan) 2172 { 2173 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2174 2175 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2176 fc->loop_seen_once = 1; 2177 fc->loop_down_time = 0; 2178 isp_unfreeze_loopdown(isp, chan); 2179 } 2180 2181 static void 2182 isp_loop_dead(ispsoftc_t *isp, int chan) 2183 { 2184 fcparam *fcp = FCPARAM(isp, chan); 2185 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2186 fcportdb_t *lp; 2187 struct ac_contract ac; 2188 struct ac_device_changed *adc; 2189 int dbidx, i; 2190 2191 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2192 2193 /* 2194 * Notify to the OS all targets who we now consider have departed. 2195 */ 2196 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2197 lp = &fcp->portdb[dbidx]; 2198 2199 if (lp->state == FC_PORTDB_STATE_NIL) 2200 continue; 2201 2202 for (i = 0; i < ISP_HANDLE_NUM(isp); i++) { 2203 struct ccb_scsiio *xs; 2204 2205 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2206 continue; 2207 } 2208 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2209 continue; 2210 } 2211 if (dbidx != XS_TGT(xs)) { 2212 continue; 2213 } 2214 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2215 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2216 (uintmax_t)XS_LUN(xs)); 2217 2218 /* 2219 * Just like in isp_watchdog, abort the outstanding 2220 * command or immediately free its resources if it is 2221 * not active 2222 */ 2223 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2224 continue; 2225 } 2226 2227 ISP_DMAFREE(isp, xs); 2228 isp_destroy_handle(isp, isp->isp_xflist[i].handle); 2229 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed", 2230 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2231 (uintmax_t)XS_LUN(xs)); 2232 XS_SETERR(xs, HBA_BUSRESET); 2233 isp_done(xs); 2234 } 2235 2236 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2237 if (lp->is_target) { 2238 lp->is_target = 0; 2239 isp_make_gone(isp, lp, chan, dbidx); 2240 } 2241 if (lp->is_initiator) { 2242 lp->is_initiator = 0; 2243 ac.contract_number = AC_CONTRACT_DEV_CHG; 2244 adc = (struct ac_device_changed *) ac.contract_data; 2245 adc->wwpn = lp->port_wwn; 2246 adc->port = lp->portid; 2247 adc->target = dbidx; 2248 adc->arrived = 0; 2249 xpt_async(AC_CONTRACT, fc->path, &ac); 2250 } 2251 } 2252 2253 isp_unfreeze_loopdown(isp, chan); 2254 fc->loop_down_time = 0; 2255 } 2256 2257 static void 2258 isp_kthread(void *arg) 2259 { 2260 struct isp_fc *fc = arg; 2261 ispsoftc_t *isp = fc->isp; 2262 int chan = fc - ISP_FC_PC(isp, 0); 2263 int slp = 0, d; 2264 int lb, lim; 2265 2266 ISP_LOCK(isp); 2267 while (isp->isp_osinfo.is_exiting == 0) { 2268 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2269 "Chan %d Checking FC state", chan); 2270 lb = isp_fc_runstate(isp, chan, 250000); 2271 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2272 "Chan %d FC got to %s state", chan, 2273 isp_fc_loop_statename(lb)); 2274 2275 /* 2276 * Our action is different based upon whether we're supporting 2277 * Initiator mode or not. If we are, we might freeze the simq 2278 * when loop is down and set all sorts of different delays to 2279 * check again. 2280 * 2281 * If not, we simply just wait for loop to come up. 2282 */ 2283 if (lb == LOOP_READY || lb < 0) { 2284 slp = 0; 2285 } else { 2286 /* 2287 * If we've never seen loop up and we've waited longer 2288 * than quickboot time, or we've seen loop up but we've 2289 * waited longer than loop_down_limit, give up and go 2290 * to sleep until loop comes up. 2291 */ 2292 if (fc->loop_seen_once == 0) 2293 lim = isp_quickboot_time; 2294 else 2295 lim = fc->loop_down_limit; 2296 d = time_uptime - fc->loop_down_time; 2297 if (d >= lim) 2298 slp = 0; 2299 else if (d < 10) 2300 slp = 1; 2301 else if (d < 30) 2302 slp = 5; 2303 else if (d < 60) 2304 slp = 10; 2305 else if (d < 120) 2306 slp = 20; 2307 else 2308 slp = 30; 2309 } 2310 2311 if (slp == 0) { 2312 if (lb == LOOP_READY) 2313 isp_loop_up(isp, chan); 2314 else 2315 isp_loop_dead(isp, chan); 2316 } 2317 2318 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2319 "Chan %d sleep for %d seconds", chan, slp); 2320 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2321 } 2322 fc->num_threads -= 1; 2323 wakeup(&fc->num_threads); 2324 ISP_UNLOCK(isp); 2325 kthread_exit(); 2326 } 2327 2328 #ifdef ISP_TARGET_MODE 2329 static void 2330 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2331 { 2332 atio_private_data_t *atp; 2333 union ccb *accb = ccb->cab.abort_ccb; 2334 struct ccb_hdr *sccb; 2335 tstate_t *tptr; 2336 2337 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2338 if (tptr != NULL) { 2339 /* Search for the ATIO among queueued. */ 2340 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2341 if (sccb != &accb->ccb_h) 2342 continue; 2343 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2344 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2345 "Abort FREE ATIO\n"); 2346 accb->ccb_h.status = CAM_REQ_ABORTED; 2347 xpt_done(accb); 2348 ccb->ccb_h.status = CAM_REQ_CMP; 2349 return; 2350 } 2351 } 2352 2353 /* Search for the ATIO among running. */ 2354 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2355 if (atp != NULL) { 2356 /* Send TERMINATE to firmware. */ 2357 if (!atp->dead) { 2358 uint8_t storage[QENTRY_LEN]; 2359 ct7_entry_t *cto = (ct7_entry_t *) storage; 2360 2361 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2362 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2363 cto->ct_header.rqs_entry_count = 1; 2364 cto->ct_nphdl = atp->nphdl; 2365 cto->ct_rxid = atp->tag; 2366 cto->ct_iid_lo = atp->sid; 2367 cto->ct_iid_hi = atp->sid >> 16; 2368 cto->ct_oxid = atp->oxid; 2369 cto->ct_vpidx = XS_CHANNEL(accb); 2370 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2371 isp_target_put_entry(isp, cto); 2372 } 2373 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2374 ccb->ccb_h.status = CAM_REQ_CMP; 2375 } else { 2376 ccb->ccb_h.status = CAM_UA_ABORT; 2377 } 2378 } 2379 2380 static void 2381 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2382 { 2383 inot_private_data_t *ntp; 2384 union ccb *accb = ccb->cab.abort_ccb; 2385 struct ccb_hdr *sccb; 2386 tstate_t *tptr; 2387 2388 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2389 if (tptr != NULL) { 2390 /* Search for the INOT among queueued. */ 2391 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2392 if (sccb != &accb->ccb_h) 2393 continue; 2394 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2395 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2396 "Abort FREE INOT\n"); 2397 accb->ccb_h.status = CAM_REQ_ABORTED; 2398 xpt_done(accb); 2399 ccb->ccb_h.status = CAM_REQ_CMP; 2400 return; 2401 } 2402 } 2403 2404 /* Search for the INOT among running. */ 2405 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2406 if (ntp != NULL) { 2407 if (ntp->nt.nt_need_ack) { 2408 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2409 ntp->nt.nt_lreserved); 2410 } 2411 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2412 ccb->ccb_h.status = CAM_REQ_CMP; 2413 } else { 2414 ccb->ccb_h.status = CAM_UA_ABORT; 2415 return; 2416 } 2417 } 2418 #endif 2419 2420 static void 2421 isp_action(struct cam_sim *sim, union ccb *ccb) 2422 { 2423 int bus, tgt, error; 2424 ispsoftc_t *isp; 2425 fcparam *fcp; 2426 struct ccb_trans_settings *cts; 2427 sbintime_t ts; 2428 2429 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2430 2431 isp = (ispsoftc_t *)cam_sim_softc(sim); 2432 ISP_ASSERT_LOCKED(isp); 2433 bus = cam_sim_bus(sim); 2434 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2435 ISP_PCMD(ccb) = NULL; 2436 2437 switch (ccb->ccb_h.func_code) { 2438 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2439 /* 2440 * Do a couple of preliminary checks... 2441 */ 2442 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2443 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2444 ccb->ccb_h.status = CAM_REQ_INVALID; 2445 isp_done((struct ccb_scsiio *) ccb); 2446 break; 2447 } 2448 } 2449 #ifdef DIAGNOSTIC 2450 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 2451 xpt_print(ccb->ccb_h.path, "invalid target\n"); 2452 ccb->ccb_h.status = CAM_PATH_INVALID; 2453 } 2454 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 2455 xpt_done(ccb); 2456 break; 2457 } 2458 #endif 2459 ccb->csio.scsi_status = SCSI_STATUS_OK; 2460 if (isp_get_pcmd(isp, ccb)) { 2461 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 2462 cam_freeze_devq(ccb->ccb_h.path); 2463 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 2464 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2465 xpt_done(ccb); 2466 break; 2467 } 2468 error = isp_start((XS_T *) ccb); 2469 isp_rq_check_above(isp); 2470 switch (error) { 2471 case 0: 2472 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2473 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 2474 break; 2475 /* Give firmware extra 10s to handle timeout. */ 2476 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 2477 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 2478 isp_watchdog, ccb, 0); 2479 break; 2480 case CMD_RQLATER: 2481 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 2482 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 2483 cam_freeze_devq(ccb->ccb_h.path); 2484 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 2485 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2486 isp_free_pcmd(isp, ccb); 2487 xpt_done(ccb); 2488 break; 2489 case CMD_EAGAIN: 2490 isp_free_pcmd(isp, ccb); 2491 cam_freeze_devq(ccb->ccb_h.path); 2492 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 10, 0); 2493 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2494 xpt_done(ccb); 2495 break; 2496 case CMD_COMPLETE: 2497 isp_done((struct ccb_scsiio *) ccb); 2498 break; 2499 default: 2500 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 2501 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2502 isp_free_pcmd(isp, ccb); 2503 xpt_done(ccb); 2504 } 2505 break; 2506 2507 #ifdef ISP_TARGET_MODE 2508 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 2509 if (ccb->cel.enable) { 2510 isp_enable_lun(isp, ccb); 2511 } else { 2512 isp_disable_lun(isp, ccb); 2513 } 2514 break; 2515 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 2516 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 2517 { 2518 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 2519 if (tptr == NULL) { 2520 const char *str; 2521 2522 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 2523 str = "XPT_IMMEDIATE_NOTIFY"; 2524 else 2525 str = "XPT_ACCEPT_TARGET_IO"; 2526 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 2527 "%s: no state pointer found for %s\n", 2528 __func__, str); 2529 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2530 xpt_done(ccb); 2531 break; 2532 } 2533 2534 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 2535 ccb->atio.tag_id = 0; 2536 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 2537 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 2538 "Put FREE ATIO\n"); 2539 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 2540 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 2541 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 2542 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 2543 "Put FREE INOT\n"); 2544 } 2545 ccb->ccb_h.status = CAM_REQ_INPROG; 2546 break; 2547 } 2548 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 2549 { 2550 inot_private_data_t *ntp; 2551 2552 /* 2553 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 2554 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 2555 */ 2556 /* 2557 * All the relevant path information is in the associated immediate notify 2558 */ 2559 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); 2560 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 2561 if (ntp == NULL) { 2562 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__, 2563 ccb->cna2.tag_id, ccb->cna2.seq_id); 2564 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2565 xpt_done(ccb); 2566 break; 2567 } 2568 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 2569 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 2570 cam_freeze_devq(ccb->ccb_h.path); 2571 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 2572 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2573 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 2574 break; 2575 } 2576 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 2577 ccb->ccb_h.status = CAM_REQ_CMP; 2578 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); 2579 xpt_done(ccb); 2580 break; 2581 } 2582 case XPT_CONT_TARGET_IO: 2583 isp_target_start_ctio(isp, ccb, FROM_CAM); 2584 isp_rq_check_above(isp); 2585 break; 2586 #endif 2587 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 2588 tgt = ccb->ccb_h.target_id; 2589 tgt |= (bus << 16); 2590 2591 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 2592 if (error) { 2593 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2594 } else { 2595 /* 2596 * If we have a FC device, reset the Command 2597 * Reference Number, because the target will expect 2598 * that we re-start the CRN at 1 after a reset. 2599 */ 2600 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2601 2602 ccb->ccb_h.status = CAM_REQ_CMP; 2603 } 2604 xpt_done(ccb); 2605 break; 2606 case XPT_ABORT: /* Abort the specified CCB */ 2607 { 2608 union ccb *accb = ccb->cab.abort_ccb; 2609 switch (accb->ccb_h.func_code) { 2610 #ifdef ISP_TARGET_MODE 2611 case XPT_ACCEPT_TARGET_IO: 2612 isp_abort_atio(isp, ccb); 2613 break; 2614 case XPT_IMMEDIATE_NOTIFY: 2615 isp_abort_inot(isp, ccb); 2616 break; 2617 #endif 2618 case XPT_SCSI_IO: 2619 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 2620 if (error) { 2621 ccb->ccb_h.status = CAM_UA_ABORT; 2622 } else { 2623 ccb->ccb_h.status = CAM_REQ_CMP; 2624 } 2625 break; 2626 default: 2627 ccb->ccb_h.status = CAM_REQ_INVALID; 2628 break; 2629 } 2630 /* 2631 * This is not a queued CCB, so the caller expects it to be 2632 * complete when control is returned. 2633 */ 2634 break; 2635 } 2636 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 2637 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 2638 cts = &ccb->cts; 2639 if (!IS_CURRENT_SETTINGS(cts)) { 2640 ccb->ccb_h.status = CAM_REQ_INVALID; 2641 xpt_done(ccb); 2642 break; 2643 } 2644 ccb->ccb_h.status = CAM_REQ_CMP; 2645 xpt_done(ccb); 2646 break; 2647 case XPT_GET_TRAN_SETTINGS: 2648 { 2649 struct ccb_trans_settings_scsi *scsi; 2650 struct ccb_trans_settings_fc *fc; 2651 2652 cts = &ccb->cts; 2653 scsi = &cts->proto_specific.scsi; 2654 fc = &cts->xport_specific.fc; 2655 tgt = cts->ccb_h.target_id; 2656 fcp = FCPARAM(isp, bus); 2657 2658 cts->protocol = PROTO_SCSI; 2659 cts->protocol_version = SCSI_REV_2; 2660 cts->transport = XPORT_FC; 2661 cts->transport_version = 0; 2662 2663 scsi->valid = CTS_SCSI_VALID_TQ; 2664 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2665 fc->valid = CTS_FC_VALID_SPEED; 2666 fc->bitrate = fcp->isp_gbspeed * 100000; 2667 if (tgt < MAX_FC_TARG) { 2668 fcportdb_t *lp = &fcp->portdb[tgt]; 2669 fc->wwnn = lp->node_wwn; 2670 fc->wwpn = lp->port_wwn; 2671 fc->port = lp->portid; 2672 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 2673 } 2674 ccb->ccb_h.status = CAM_REQ_CMP; 2675 xpt_done(ccb); 2676 break; 2677 } 2678 case XPT_CALC_GEOMETRY: 2679 cam_calc_geometry(&ccb->ccg, 1); 2680 xpt_done(ccb); 2681 break; 2682 2683 case XPT_RESET_BUS: /* Reset the specified bus */ 2684 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 2685 if (error) { 2686 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2687 xpt_done(ccb); 2688 break; 2689 } 2690 if (bootverbose) { 2691 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 2692 } 2693 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 2694 ccb->ccb_h.status = CAM_REQ_CMP; 2695 xpt_done(ccb); 2696 break; 2697 2698 case XPT_TERM_IO: /* Terminate the I/O process */ 2699 ccb->ccb_h.status = CAM_REQ_INVALID; 2700 xpt_done(ccb); 2701 break; 2702 2703 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 2704 { 2705 struct ccb_sim_knob *kp = &ccb->knob; 2706 fcparam *fcp = FCPARAM(isp, bus); 2707 2708 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 2709 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 2710 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 2711 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 2712 } 2713 ccb->ccb_h.status = CAM_REQ_CMP; 2714 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 2715 int rchange = 0; 2716 int newrole = 0; 2717 2718 switch (kp->xport_specific.fc.role) { 2719 case KNOB_ROLE_NONE: 2720 if (fcp->role != ISP_ROLE_NONE) { 2721 rchange = 1; 2722 newrole = ISP_ROLE_NONE; 2723 } 2724 break; 2725 case KNOB_ROLE_TARGET: 2726 if (fcp->role != ISP_ROLE_TARGET) { 2727 rchange = 1; 2728 newrole = ISP_ROLE_TARGET; 2729 } 2730 break; 2731 case KNOB_ROLE_INITIATOR: 2732 if (fcp->role != ISP_ROLE_INITIATOR) { 2733 rchange = 1; 2734 newrole = ISP_ROLE_INITIATOR; 2735 } 2736 break; 2737 case KNOB_ROLE_BOTH: 2738 if (fcp->role != ISP_ROLE_BOTH) { 2739 rchange = 1; 2740 newrole = ISP_ROLE_BOTH; 2741 } 2742 break; 2743 } 2744 if (rchange) { 2745 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 2746 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 2747 bus, newrole) != 0) { 2748 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2749 xpt_done(ccb); 2750 break; 2751 } 2752 } 2753 } 2754 xpt_done(ccb); 2755 break; 2756 } 2757 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 2758 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 2759 { 2760 struct ccb_sim_knob *kp = &ccb->knob; 2761 fcparam *fcp = FCPARAM(isp, bus); 2762 2763 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 2764 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 2765 switch (fcp->role) { 2766 case ISP_ROLE_NONE: 2767 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 2768 break; 2769 case ISP_ROLE_TARGET: 2770 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 2771 break; 2772 case ISP_ROLE_INITIATOR: 2773 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 2774 break; 2775 case ISP_ROLE_BOTH: 2776 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 2777 break; 2778 } 2779 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 2780 ccb->ccb_h.status = CAM_REQ_CMP; 2781 xpt_done(ccb); 2782 break; 2783 } 2784 case XPT_PATH_INQ: /* Path routing inquiry */ 2785 { 2786 struct ccb_pathinq *cpi = &ccb->cpi; 2787 2788 cpi->version_num = 1; 2789 #ifdef ISP_TARGET_MODE 2790 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 2791 #else 2792 cpi->target_sprt = 0; 2793 #endif 2794 cpi->hba_eng_cnt = 0; 2795 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 2796 cpi->max_lun = 255; 2797 cpi->bus_id = cam_sim_bus(sim); 2798 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 2799 2800 fcp = FCPARAM(isp, bus); 2801 2802 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 2803 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 2804 2805 /* 2806 * Because our loop ID can shift from time to time, 2807 * make our initiator ID out of range of our bus. 2808 */ 2809 cpi->initiator_id = cpi->max_target + 1; 2810 2811 /* 2812 * Set base transfer capabilities for Fibre Channel, for this HBA. 2813 */ 2814 if (IS_25XX(isp)) 2815 cpi->base_transfer_speed = 8000000; 2816 else 2817 cpi->base_transfer_speed = 4000000; 2818 cpi->hba_inquiry = PI_TAG_ABLE; 2819 cpi->transport = XPORT_FC; 2820 cpi->transport_version = 0; 2821 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 2822 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 2823 cpi->xport_specific.fc.port = fcp->isp_portid; 2824 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 2825 cpi->protocol = PROTO_SCSI; 2826 cpi->protocol_version = SCSI_REV_2; 2827 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2828 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 2829 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 2830 cpi->unit_number = cam_sim_unit(sim); 2831 cpi->ccb_h.status = CAM_REQ_CMP; 2832 xpt_done(ccb); 2833 break; 2834 } 2835 default: 2836 ccb->ccb_h.status = CAM_REQ_INVALID; 2837 xpt_done(ccb); 2838 break; 2839 } 2840 } 2841 2842 void 2843 isp_done(XS_T *sccb) 2844 { 2845 ispsoftc_t *isp = XS_ISP(sccb); 2846 uint32_t status; 2847 2848 if (XS_NOERR(sccb)) 2849 XS_SETERR(sccb, CAM_REQ_CMP); 2850 2851 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 2852 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 2853 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 2854 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 2855 } else { 2856 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 2857 } 2858 } 2859 2860 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2861 status = sccb->ccb_h.status & CAM_STATUS_MASK; 2862 if (status != CAM_REQ_CMP && 2863 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 2864 sccb->ccb_h.status |= CAM_DEV_QFRZN; 2865 xpt_freeze_devq(sccb->ccb_h.path, 1); 2866 } 2867 2868 if (ISP_PCMD(sccb)) { 2869 if (callout_active(&PISP_PCMD(sccb)->wdog)) 2870 callout_stop(&PISP_PCMD(sccb)->wdog); 2871 isp_free_pcmd(isp, (union ccb *) sccb); 2872 } 2873 isp_rq_check_below(isp); 2874 xpt_done((union ccb *) sccb); 2875 } 2876 2877 void 2878 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 2879 { 2880 int bus; 2881 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 2882 char buf[64]; 2883 char *msg = NULL; 2884 target_id_t tgt = 0; 2885 fcportdb_t *lp; 2886 struct isp_fc *fc; 2887 struct ac_contract ac; 2888 struct ac_device_changed *adc; 2889 va_list ap; 2890 2891 switch (cmd) { 2892 case ISPASYNC_BUS_RESET: 2893 { 2894 va_start(ap, cmd); 2895 bus = va_arg(ap, int); 2896 va_end(ap); 2897 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 2898 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 2899 break; 2900 } 2901 case ISPASYNC_LOOP_RESET: 2902 { 2903 uint16_t lipp; 2904 fcparam *fcp; 2905 va_start(ap, cmd); 2906 bus = va_arg(ap, int); 2907 va_end(ap); 2908 2909 lipp = ISP_READ(isp, OUTMAILBOX1); 2910 fcp = FCPARAM(isp, bus); 2911 2912 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp); 2913 /* 2914 * Per FCP-4, a Reset LIP should result in a CRN reset. Other 2915 * LIPs and loop up/down events should never reset the CRN. For 2916 * an as of yet unknown reason, 24xx series cards (and 2917 * potentially others) can interrupt with a LIP Reset status 2918 * when no LIP reset came down the wire. Additionally, the LIP 2919 * primitive accompanying this status would not be a valid LIP 2920 * Reset primitive, but some variation of an invalid AL_PA 2921 * LIP. As a result, we have to verify the AL_PD in the LIP 2922 * addresses our port before blindly resetting. 2923 */ 2924 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF))) 2925 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 2926 isp_loop_changed(isp, bus); 2927 break; 2928 } 2929 case ISPASYNC_LIP: 2930 if (msg == NULL) 2931 msg = "LIP Received"; 2932 /* FALLTHROUGH */ 2933 case ISPASYNC_LOOP_DOWN: 2934 if (msg == NULL) 2935 msg = "LOOP Down"; 2936 /* FALLTHROUGH */ 2937 case ISPASYNC_LOOP_UP: 2938 if (msg == NULL) 2939 msg = "LOOP Up"; 2940 va_start(ap, cmd); 2941 bus = va_arg(ap, int); 2942 va_end(ap); 2943 isp_loop_changed(isp, bus); 2944 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 2945 break; 2946 case ISPASYNC_DEV_ARRIVED: 2947 va_start(ap, cmd); 2948 bus = va_arg(ap, int); 2949 lp = va_arg(ap, fcportdb_t *); 2950 va_end(ap); 2951 fc = ISP_FC_PC(isp, bus); 2952 tgt = FC_PORTDB_TGT(isp, bus, lp); 2953 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 2954 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 2955 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 2956 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 2957 lp->is_target = 1; 2958 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2959 isp_make_here(isp, lp, bus, tgt); 2960 } 2961 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 2962 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 2963 lp->is_initiator = 1; 2964 ac.contract_number = AC_CONTRACT_DEV_CHG; 2965 adc = (struct ac_device_changed *) ac.contract_data; 2966 adc->wwpn = lp->port_wwn; 2967 adc->port = lp->portid; 2968 adc->target = tgt; 2969 adc->arrived = 1; 2970 xpt_async(AC_CONTRACT, fc->path, &ac); 2971 } 2972 break; 2973 case ISPASYNC_DEV_CHANGED: 2974 case ISPASYNC_DEV_STAYED: 2975 { 2976 int crn_reset_done; 2977 2978 crn_reset_done = 0; 2979 va_start(ap, cmd); 2980 bus = va_arg(ap, int); 2981 lp = va_arg(ap, fcportdb_t *); 2982 va_end(ap); 2983 fc = ISP_FC_PC(isp, bus); 2984 tgt = FC_PORTDB_TGT(isp, bus, lp); 2985 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 2986 if (cmd == ISPASYNC_DEV_CHANGED) 2987 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 2988 else 2989 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 2990 2991 if (lp->is_target != 2992 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 2993 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 2994 lp->is_target = !lp->is_target; 2995 if (lp->is_target) { 2996 if (cmd == ISPASYNC_DEV_CHANGED) { 2997 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2998 crn_reset_done = 1; 2999 } 3000 isp_make_here(isp, lp, bus, tgt); 3001 } else { 3002 isp_make_gone(isp, lp, bus, tgt); 3003 if (cmd == ISPASYNC_DEV_CHANGED) { 3004 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3005 crn_reset_done = 1; 3006 } 3007 } 3008 } 3009 if (lp->is_initiator != 3010 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3011 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 3012 lp->is_initiator = !lp->is_initiator; 3013 ac.contract_number = AC_CONTRACT_DEV_CHG; 3014 adc = (struct ac_device_changed *) ac.contract_data; 3015 adc->wwpn = lp->port_wwn; 3016 adc->port = lp->portid; 3017 adc->target = tgt; 3018 adc->arrived = lp->is_initiator; 3019 xpt_async(AC_CONTRACT, fc->path, &ac); 3020 } 3021 3022 if ((cmd == ISPASYNC_DEV_CHANGED) && 3023 (crn_reset_done == 0)) 3024 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3025 3026 break; 3027 } 3028 case ISPASYNC_DEV_GONE: 3029 va_start(ap, cmd); 3030 bus = va_arg(ap, int); 3031 lp = va_arg(ap, fcportdb_t *); 3032 va_end(ap); 3033 fc = ISP_FC_PC(isp, bus); 3034 tgt = FC_PORTDB_TGT(isp, bus, lp); 3035 /* 3036 * If this has a virtual target or initiator set the isp_gdt 3037 * timer running on it to delay its departure. 3038 */ 3039 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3040 if (lp->is_target || lp->is_initiator) { 3041 lp->state = FC_PORTDB_STATE_ZOMBIE; 3042 lp->gone_timer = fc->gone_device_time; 3043 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 3044 if (fc->ready && !callout_active(&fc->gdt)) { 3045 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); 3046 callout_reset(&fc->gdt, hz, isp_gdt, fc); 3047 } 3048 break; 3049 } 3050 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 3051 break; 3052 case ISPASYNC_CHANGE_NOTIFY: 3053 { 3054 char *msg; 3055 int evt, nphdl, nlstate, portid, reason; 3056 3057 va_start(ap, cmd); 3058 bus = va_arg(ap, int); 3059 evt = va_arg(ap, int); 3060 if (evt == ISPASYNC_CHANGE_PDB) { 3061 nphdl = va_arg(ap, int); 3062 nlstate = va_arg(ap, int); 3063 reason = va_arg(ap, int); 3064 } else if (evt == ISPASYNC_CHANGE_SNS) { 3065 portid = va_arg(ap, int); 3066 } else { 3067 nphdl = NIL_HANDLE; 3068 nlstate = reason = 0; 3069 } 3070 va_end(ap); 3071 3072 if (evt == ISPASYNC_CHANGE_PDB) { 3073 int tgt_set = 0; 3074 msg = "Port Database Changed"; 3075 isp_prt(isp, ISP_LOGINFO, 3076 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3077 bus, msg, nphdl, nlstate, reason); 3078 /* 3079 * Port database syncs are not sufficient for 3080 * determining that logins or logouts are done on the 3081 * loop, but this information is directly available from 3082 * the reason code from the incoming mbox. We must reset 3083 * the fcp crn on these events according to FCP-4 3084 */ 3085 switch (reason) { 3086 case PDB24XX_AE_IMPL_LOGO_1: 3087 case PDB24XX_AE_IMPL_LOGO_2: 3088 case PDB24XX_AE_IMPL_LOGO_3: 3089 case PDB24XX_AE_PLOGI_RCVD: 3090 case PDB24XX_AE_PRLI_RCVD: 3091 case PDB24XX_AE_PRLO_RCVD: 3092 case PDB24XX_AE_LOGO_RCVD: 3093 case PDB24XX_AE_PLOGI_DONE: 3094 case PDB24XX_AE_PRLI_DONE: 3095 /* 3096 * If the event is not global, twiddle tgt and 3097 * tgt_set to nominate only the target 3098 * associated with the nphdl. 3099 */ 3100 if (nphdl != PDB24XX_AE_GLOBAL) { 3101 /* Break if we don't yet have the pdb */ 3102 if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp)) 3103 break; 3104 tgt = FC_PORTDB_TGT(isp, bus, lp); 3105 tgt_set = 1; 3106 } 3107 isp_fcp_reset_crn(isp, bus, tgt, tgt_set); 3108 break; 3109 default: 3110 break; /* NOP */ 3111 } 3112 } else if (evt == ISPASYNC_CHANGE_SNS) { 3113 msg = "Name Server Database Changed"; 3114 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3115 bus, msg, portid); 3116 } else { 3117 msg = "Other Change Notify"; 3118 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3119 } 3120 isp_loop_changed(isp, bus); 3121 break; 3122 } 3123 #ifdef ISP_TARGET_MODE 3124 case ISPASYNC_TARGET_NOTIFY: 3125 { 3126 isp_notify_t *notify; 3127 va_start(ap, cmd); 3128 notify = va_arg(ap, isp_notify_t *); 3129 va_end(ap); 3130 switch (notify->nt_ncode) { 3131 case NT_ABORT_TASK: 3132 case NT_ABORT_TASK_SET: 3133 case NT_CLEAR_ACA: 3134 case NT_CLEAR_TASK_SET: 3135 case NT_LUN_RESET: 3136 case NT_TARGET_RESET: 3137 case NT_QUERY_TASK_SET: 3138 case NT_QUERY_ASYNC_EVENT: 3139 /* 3140 * These are task management functions. 3141 */ 3142 isp_handle_platform_target_tmf(isp, notify); 3143 break; 3144 case NT_BUS_RESET: 3145 case NT_LIP_RESET: 3146 case NT_LINK_UP: 3147 case NT_LINK_DOWN: 3148 case NT_HBA_RESET: 3149 /* 3150 * No action need be taken here. 3151 */ 3152 break; 3153 case NT_GLOBAL_LOGOUT: 3154 case NT_LOGOUT: 3155 /* 3156 * This is device arrival/departure notification 3157 */ 3158 isp_handle_platform_target_notify_ack(isp, notify, 0); 3159 break; 3160 case NT_SRR: 3161 isp_handle_platform_srr(isp, notify); 3162 break; 3163 default: 3164 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3165 isp_handle_platform_target_notify_ack(isp, notify, 0); 3166 break; 3167 } 3168 break; 3169 } 3170 case ISPASYNC_TARGET_NOTIFY_ACK: 3171 { 3172 void *inot; 3173 va_start(ap, cmd); 3174 inot = va_arg(ap, void *); 3175 va_end(ap); 3176 if (isp_notify_ack(isp, inot)) { 3177 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3178 if (tp) { 3179 tp->isp = isp; 3180 memcpy(tp->data, inot, sizeof (tp->data)); 3181 tp->not = tp->data; 3182 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3183 callout_reset(&tp->timer, 5, 3184 isp_refire_notify_ack, tp); 3185 } else { 3186 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3187 } 3188 } 3189 break; 3190 } 3191 case ISPASYNC_TARGET_ACTION: 3192 { 3193 isphdr_t *hp; 3194 3195 va_start(ap, cmd); 3196 hp = va_arg(ap, isphdr_t *); 3197 va_end(ap); 3198 switch (hp->rqs_entry_type) { 3199 case RQSTYPE_ATIO: 3200 isp_handle_platform_atio7(isp, (at7_entry_t *)hp); 3201 break; 3202 case RQSTYPE_CTIO7: 3203 isp_handle_platform_ctio(isp, (ct7_entry_t *)hp); 3204 break; 3205 default: 3206 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3207 __func__, hp->rqs_entry_type); 3208 break; 3209 } 3210 break; 3211 } 3212 #endif 3213 case ISPASYNC_FW_CRASH: 3214 { 3215 uint16_t mbox1; 3216 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3217 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error @ RISC Address 0x%x", mbox1); 3218 #if 0 3219 isp_reinit(isp, 1); 3220 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 3221 #endif 3222 break; 3223 } 3224 default: 3225 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 3226 break; 3227 } 3228 } 3229 3230 uint64_t 3231 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 3232 { 3233 uint64_t seed; 3234 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3235 3236 /* First try to use explicitly configured WWNs. */ 3237 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 3238 if (seed) 3239 return (seed); 3240 3241 /* Otherwise try to use WWNs from NVRAM. */ 3242 if (isactive) { 3243 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 3244 FCPARAM(isp, chan)->isp_wwpn_nvram; 3245 if (seed) 3246 return (seed); 3247 } 3248 3249 /* If still no WWNs, try to steal them from the first channel. */ 3250 if (chan > 0) { 3251 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 3252 ISP_FC_PC(isp, 0)->def_wwpn; 3253 if (seed == 0) { 3254 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 3255 FCPARAM(isp, 0)->isp_wwpn_nvram; 3256 } 3257 } 3258 3259 /* If still nothing -- improvise. */ 3260 if (seed == 0) { 3261 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 3262 if (!iswwnn) 3263 seed ^= 0x0100000000000000ULL; 3264 } 3265 3266 /* For additional channels we have to improvise even more. */ 3267 if (!iswwnn && chan > 0) { 3268 /* 3269 * We'll stick our channel number plus one first into bits 3270 * 57..59 and thence into bits 52..55 which allows for 8 bits 3271 * of channel which is enough for our maximum of 255 channels. 3272 */ 3273 seed ^= 0x0100000000000000ULL; 3274 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 3275 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 3276 } 3277 return (seed); 3278 } 3279 3280 void 3281 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 3282 { 3283 int loc; 3284 char lbuf[200]; 3285 va_list ap; 3286 3287 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3288 return; 3289 } 3290 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 3291 loc = strlen(lbuf); 3292 va_start(ap, fmt); 3293 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 3294 va_end(ap); 3295 printf("%s\n", lbuf); 3296 } 3297 3298 void 3299 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 3300 { 3301 va_list ap; 3302 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3303 return; 3304 } 3305 xpt_print_path(xs->ccb_h.path); 3306 va_start(ap, fmt); 3307 vprintf(fmt, ap); 3308 va_end(ap); 3309 printf("\n"); 3310 } 3311 3312 uint64_t 3313 isp_nanotime_sub(struct timespec *b, struct timespec *a) 3314 { 3315 uint64_t elapsed; 3316 struct timespec x; 3317 3318 timespecsub(b, a, &x); 3319 elapsed = GET_NANOSEC(&x); 3320 if (elapsed == 0) 3321 elapsed++; 3322 return (elapsed); 3323 } 3324 3325 int 3326 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 3327 { 3328 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3329 3330 if (fc->fcbsy) 3331 return (-1); 3332 fc->fcbsy = 1; 3333 return (0); 3334 } 3335 3336 void 3337 isp_platform_intr(void *arg) 3338 { 3339 ispsoftc_t *isp = arg; 3340 3341 ISP_LOCK(isp); 3342 ISP_RUN_ISR(isp); 3343 ISP_UNLOCK(isp); 3344 } 3345 3346 void 3347 isp_platform_intr_resp(void *arg) 3348 { 3349 ispsoftc_t *isp = arg; 3350 3351 ISP_LOCK(isp); 3352 isp_intr_respq(isp); 3353 ISP_UNLOCK(isp); 3354 3355 /* We have handshake enabled, so explicitly complete interrupt */ 3356 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 3357 } 3358 3359 void 3360 isp_platform_intr_atio(void *arg) 3361 { 3362 ispsoftc_t *isp = arg; 3363 3364 ISP_LOCK(isp); 3365 #ifdef ISP_TARGET_MODE 3366 isp_intr_atioq(isp); 3367 #endif 3368 ISP_UNLOCK(isp); 3369 3370 /* We have handshake enabled, so explicitly complete interrupt */ 3371 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 3372 } 3373 3374 typedef struct { 3375 ispsoftc_t *isp; 3376 struct ccb_scsiio *csio; 3377 void *qe; 3378 int error; 3379 } mush_t; 3380 3381 static void 3382 isp_dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 3383 { 3384 mush_t *mp = (mush_t *) arg; 3385 ispsoftc_t *isp= mp->isp; 3386 struct ccb_scsiio *csio = mp->csio; 3387 bus_dmasync_op_t op; 3388 3389 if (error) { 3390 mp->error = error; 3391 return; 3392 } 3393 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ 3394 ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) 3395 op = BUS_DMASYNC_PREREAD; 3396 else 3397 op = BUS_DMASYNC_PREWRITE; 3398 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op); 3399 3400 mp->error = ISP_SEND_CMD(isp, mp->qe, dm_segs, nseg); 3401 if (mp->error) 3402 isp_dmafree(isp, csio); 3403 } 3404 3405 int 3406 isp_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *qe) 3407 { 3408 mush_t mp; 3409 int error; 3410 3411 if (XS_XFRLEN(csio)) { 3412 mp.isp = isp; 3413 mp.csio = csio; 3414 mp.qe = qe; 3415 mp.error = 0; 3416 error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, 3417 (union ccb *)csio, isp_dma2, &mp, BUS_DMA_NOWAIT); 3418 if (error == 0) 3419 error = mp.error; 3420 } else { 3421 error = ISP_SEND_CMD(isp, qe, NULL, 0); 3422 } 3423 switch (error) { 3424 case 0: 3425 case CMD_COMPLETE: 3426 case CMD_EAGAIN: 3427 case CMD_RQLATER: 3428 break; 3429 case ENOMEM: 3430 error = CMD_EAGAIN; 3431 break; 3432 case EINVAL: 3433 case EFBIG: 3434 csio->ccb_h.status = CAM_REQ_INVALID; 3435 error = CMD_COMPLETE; 3436 break; 3437 default: 3438 csio->ccb_h.status = CAM_UNREC_HBA_ERROR; 3439 error = CMD_COMPLETE; 3440 break; 3441 } 3442 return (error); 3443 } 3444 3445 void 3446 isp_dmafree(ispsoftc_t *isp, struct ccb_scsiio *csio) 3447 { 3448 bus_dmasync_op_t op; 3449 3450 if (XS_XFRLEN(csio) == 0) 3451 return; 3452 3453 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ 3454 ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) 3455 op = BUS_DMASYNC_POSTREAD; 3456 else 3457 op = BUS_DMASYNC_POSTWRITE; 3458 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op); 3459 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 3460 } 3461 3462 /* 3463 * Reset the command reference number for all LUNs on a specific target 3464 * (needed when a target arrives again) or for all targets on a port 3465 * (needed for events like a LIP). 3466 */ 3467 void 3468 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 3469 { 3470 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3471 struct isp_nexus *nxp; 3472 int i; 3473 3474 if (tgt_set == 0) 3475 isp_prt(isp, ISP_LOGDEBUG0, 3476 "Chan %d resetting CRN on all targets", chan); 3477 else 3478 isp_prt(isp, ISP_LOGDEBUG0, 3479 "Chan %d resetting CRN on target %u", chan, tgt); 3480 3481 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 3482 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 3483 if (tgt_set == 0 || tgt == nxp->tgt) 3484 nxp->crnseed = 0; 3485 } 3486 } 3487 } 3488 3489 int 3490 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 3491 { 3492 lun_id_t lun; 3493 uint32_t chan, tgt; 3494 struct isp_fc *fc; 3495 struct isp_nexus *nxp; 3496 int idx; 3497 3498 chan = XS_CHANNEL(cmd); 3499 tgt = XS_TGT(cmd); 3500 lun = XS_LUN(cmd); 3501 fc = ISP_FC_PC(isp, chan); 3502 idx = NEXUS_HASH(tgt, lun); 3503 nxp = fc->nexus_hash[idx]; 3504 3505 while (nxp) { 3506 if (nxp->tgt == tgt && nxp->lun == lun) 3507 break; 3508 nxp = nxp->next; 3509 } 3510 if (nxp == NULL) { 3511 nxp = fc->nexus_free_list; 3512 if (nxp == NULL) { 3513 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 3514 if (nxp == NULL) { 3515 return (-1); 3516 } 3517 } else { 3518 fc->nexus_free_list = nxp->next; 3519 } 3520 nxp->tgt = tgt; 3521 nxp->lun = lun; 3522 nxp->next = fc->nexus_hash[idx]; 3523 fc->nexus_hash[idx] = nxp; 3524 } 3525 if (nxp->crnseed == 0) 3526 nxp->crnseed = 1; 3527 *crnp = nxp->crnseed++; 3528 return (0); 3529 } 3530 3531 /* 3532 * We enter with the lock held 3533 */ 3534 void 3535 isp_timer(void *arg) 3536 { 3537 ispsoftc_t *isp = arg; 3538 #ifdef ISP_TARGET_MODE 3539 isp_tmcmd_restart(isp); 3540 #endif 3541 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 3542 } 3543 3544 #ifdef ISP_TARGET_MODE 3545 isp_ecmd_t * 3546 isp_get_ecmd(ispsoftc_t *isp) 3547 { 3548 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 3549 if (ecmd) { 3550 isp->isp_osinfo.ecmd_free = ecmd->next; 3551 } 3552 return (ecmd); 3553 } 3554 3555 void 3556 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 3557 { 3558 ecmd->next = isp->isp_osinfo.ecmd_free; 3559 isp->isp_osinfo.ecmd_free = ecmd; 3560 } 3561 #endif 3562