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sys/dev/isp/isp_freebsd.c
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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_MPSAFE, 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 break; 407 408 case ISP_RESETHBA: 409 ISP_LOCK(isp); 410 isp_reinit(isp, 0); 411 ISP_UNLOCK(isp); 412 retval = 0; 413 break; 414 415 case ISP_RESCAN: 416 chan = *(intptr_t *)addr; 417 if (chan < 0 || chan >= isp->isp_nchan) { 418 retval = -ENXIO; 419 break; 420 } 421 ISP_LOCK(isp); 422 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 423 retval = EIO; 424 } else { 425 retval = 0; 426 } 427 ISP_UNLOCK(isp); 428 break; 429 430 case ISP_FC_LIP: 431 chan = *(intptr_t *)addr; 432 if (chan < 0 || chan >= isp->isp_nchan) { 433 retval = -ENXIO; 434 break; 435 } 436 ISP_LOCK(isp); 437 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 438 retval = EIO; 439 } else { 440 retval = 0; 441 } 442 ISP_UNLOCK(isp); 443 break; 444 case ISP_FC_GETDINFO: 445 { 446 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 447 fcportdb_t *lp; 448 449 if (ifc->loopid >= MAX_FC_TARG) { 450 retval = EINVAL; 451 break; 452 } 453 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 454 if (lp->state != FC_PORTDB_STATE_NIL) { 455 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 456 ifc->loopid = lp->handle; 457 ifc->portid = lp->portid; 458 ifc->node_wwn = lp->node_wwn; 459 ifc->port_wwn = lp->port_wwn; 460 retval = 0; 461 } else { 462 retval = ENODEV; 463 } 464 break; 465 } 466 case ISP_FC_GETHINFO: 467 { 468 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 469 int chan = hba->fc_channel; 470 471 if (chan < 0 || chan >= isp->isp_nchan) { 472 retval = ENXIO; 473 break; 474 } 475 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 476 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 477 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 478 hba->fc_nchannels = isp->isp_nchan; 479 hba->fc_nports = MAX_FC_TARG; 480 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 481 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 482 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 483 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 484 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 485 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 486 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 487 retval = 0; 488 break; 489 } 490 case ISP_TSK_MGMT: 491 { 492 int needmarker; 493 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 494 uint16_t nphdl; 495 isp24xx_tmf_t tmf; 496 isp24xx_statusreq_t sp; 497 fcparam *fcp; 498 fcportdb_t *lp; 499 int i; 500 501 chan = fct->chan; 502 if (chan < 0 || chan >= isp->isp_nchan) { 503 retval = -ENXIO; 504 break; 505 } 506 507 needmarker = retval = 0; 508 nphdl = fct->loopid; 509 ISP_LOCK(isp); 510 fcp = FCPARAM(isp, chan); 511 512 for (i = 0; i < MAX_FC_TARG; i++) { 513 lp = &fcp->portdb[i]; 514 if (lp->handle == nphdl) { 515 break; 516 } 517 } 518 if (i == MAX_FC_TARG) { 519 retval = ENXIO; 520 ISP_UNLOCK(isp); 521 break; 522 } 523 ISP_MEMZERO(&tmf, sizeof(tmf)); 524 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 525 tmf.tmf_header.rqs_entry_count = 1; 526 tmf.tmf_nphdl = lp->handle; 527 tmf.tmf_delay = 2; 528 tmf.tmf_timeout = 4; 529 tmf.tmf_tidlo = lp->portid; 530 tmf.tmf_tidhi = lp->portid >> 16; 531 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 532 tmf.tmf_lun[1] = fct->lun & 0xff; 533 if (fct->lun >= 256) { 534 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 535 } 536 switch (fct->action) { 537 case IPT_CLEAR_ACA: 538 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 539 break; 540 case IPT_TARGET_RESET: 541 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 542 needmarker = 1; 543 break; 544 case IPT_LUN_RESET: 545 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 546 needmarker = 1; 547 break; 548 case IPT_CLEAR_TASK_SET: 549 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 550 needmarker = 1; 551 break; 552 case IPT_ABORT_TASK_SET: 553 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 554 needmarker = 1; 555 break; 556 default: 557 retval = EINVAL; 558 break; 559 } 560 if (retval) { 561 ISP_UNLOCK(isp); 562 break; 563 } 564 565 retval = isp_exec_entry_queue(isp, &tmf, &sp, 5); 566 if (retval != 0) { 567 isp_prt(isp, ISP_LOGERR, "%s: TMF of chan %d error %d", 568 __func__, chan, retval); 569 ISP_UNLOCK(isp); 570 break; 571 } 572 573 if (sp.req_completion_status != 0) 574 retval = EIO; 575 else if (needmarker) 576 fcp->sendmarker = 1; 577 ISP_UNLOCK(isp); 578 break; 579 } 580 default: 581 break; 582 } 583 return (retval); 584 } 585 586 /* 587 * Local Inlines 588 */ 589 590 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 591 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 592 593 static ISP_INLINE int 594 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 595 { 596 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 597 if (ISP_PCMD(ccb) == NULL) { 598 return (-1); 599 } 600 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 601 return (0); 602 } 603 604 static ISP_INLINE void 605 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 606 { 607 if (ISP_PCMD(ccb)) { 608 #ifdef ISP_TARGET_MODE 609 PISP_PCMD(ccb)->datalen = 0; 610 #endif 611 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 612 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 613 ISP_PCMD(ccb) = NULL; 614 } 615 } 616 617 /* 618 * Put the target mode functions here, because some are inlines 619 */ 620 #ifdef ISP_TARGET_MODE 621 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 622 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 623 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 624 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 625 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 626 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 627 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 628 static tstate_t *create_lun_state(ispsoftc_t *, int, struct cam_path *); 629 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 630 static void isp_enable_lun(ispsoftc_t *, union ccb *); 631 static void isp_disable_lun(ispsoftc_t *, union ccb *); 632 static callout_func_t isp_refire_notify_ack; 633 static void isp_complete_ctio(ispsoftc_t *isp, union ccb *); 634 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 635 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 636 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 637 static void isp_handle_platform_ctio(ispsoftc_t *, ct7_entry_t *); 638 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 639 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 640 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 641 642 static ISP_INLINE tstate_t * 643 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 644 { 645 struct isp_fc *fc = ISP_FC_PC(isp, bus); 646 tstate_t *tptr; 647 648 SLIST_FOREACH(tptr, &fc->lun_hash[LUN_HASH_FUNC(lun)], next) { 649 if (tptr->ts_lun == lun) 650 return (tptr); 651 } 652 return (NULL); 653 } 654 655 static int 656 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 657 { 658 inot_private_data_t *ntp; 659 struct ntpdlist rq; 660 661 if (STAILQ_EMPTY(&tptr->restart_queue)) 662 return (0); 663 STAILQ_INIT(&rq); 664 STAILQ_CONCAT(&rq, &tptr->restart_queue); 665 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 666 STAILQ_REMOVE_HEAD(&rq, next); 667 isp_prt(isp, ISP_LOGTDEBUG0, 668 "%s: restarting resrc deprived %x", __func__, 669 ((at7_entry_t *)ntp->data)->at_rxid); 670 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 671 isp_put_ntpd(isp, bus, ntp); 672 if (!STAILQ_EMPTY(&tptr->restart_queue)) 673 break; 674 } 675 if (!STAILQ_EMPTY(&rq)) { 676 STAILQ_CONCAT(&rq, &tptr->restart_queue); 677 STAILQ_CONCAT(&tptr->restart_queue, &rq); 678 } 679 return (!STAILQ_EMPTY(&tptr->restart_queue)); 680 } 681 682 static void 683 isp_tmcmd_restart(ispsoftc_t *isp) 684 { 685 struct isp_fc *fc; 686 tstate_t *tptr; 687 union ccb *ccb; 688 int bus, i; 689 690 for (bus = 0; bus < isp->isp_nchan; bus++) { 691 fc = ISP_FC_PC(isp, bus); 692 for (i = 0; i < LUN_HASH_SIZE; i++) { 693 SLIST_FOREACH(tptr, &fc->lun_hash[i], next) 694 isp_atio_restart(isp, bus, tptr); 695 } 696 697 /* 698 * We only need to do this once per channel. 699 */ 700 ccb = (union ccb *)TAILQ_FIRST(&fc->waitq); 701 if (ccb != NULL) { 702 TAILQ_REMOVE(&fc->waitq, &ccb->ccb_h, sim_links.tqe); 703 isp_target_start_ctio(isp, ccb, FROM_TIMER); 704 } 705 } 706 isp_rq_check_above(isp); 707 isp_rq_check_below(isp); 708 } 709 710 static atio_private_data_t * 711 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 712 { 713 struct isp_fc *fc = ISP_FC_PC(isp, chan); 714 atio_private_data_t *atp; 715 716 atp = LIST_FIRST(&fc->atfree); 717 if (atp) { 718 LIST_REMOVE(atp, next); 719 atp->tag = tag; 720 LIST_INSERT_HEAD(&fc->atused[ATPDPHASH(tag)], atp, next); 721 } 722 return (atp); 723 } 724 725 static atio_private_data_t * 726 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 727 { 728 struct isp_fc *fc = ISP_FC_PC(isp, chan); 729 atio_private_data_t *atp; 730 731 LIST_FOREACH(atp, &fc->atused[ATPDPHASH(tag)], next) { 732 if (atp->tag == tag) 733 return (atp); 734 } 735 return (NULL); 736 } 737 738 static void 739 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 740 { 741 struct isp_fc *fc = ISP_FC_PC(isp, chan); 742 743 if (atp->ests) 744 isp_put_ecmd(isp, atp->ests); 745 LIST_REMOVE(atp, next); 746 memset(atp, 0, sizeof (*atp)); 747 LIST_INSERT_HEAD(&fc->atfree, atp, next); 748 } 749 750 static void 751 isp_dump_atpd(ispsoftc_t *isp, int chan) 752 { 753 struct isp_fc *fc = ISP_FC_PC(isp, chan); 754 atio_private_data_t *atp; 755 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 756 757 for (atp = fc->atpool; atp < &fc->atpool[ATPDPSIZE]; atp++) { 758 if (atp->state == ATPD_STATE_FREE) 759 continue; 760 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", 761 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]); 762 } 763 } 764 765 static inot_private_data_t * 766 isp_get_ntpd(ispsoftc_t *isp, int chan) 767 { 768 struct isp_fc *fc = ISP_FC_PC(isp, chan); 769 inot_private_data_t *ntp; 770 771 ntp = STAILQ_FIRST(&fc->ntfree); 772 if (ntp) 773 STAILQ_REMOVE_HEAD(&fc->ntfree, next); 774 return (ntp); 775 } 776 777 static inot_private_data_t * 778 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 779 { 780 struct isp_fc *fc = ISP_FC_PC(isp, chan); 781 inot_private_data_t *ntp; 782 783 for (ntp = fc->ntpool; ntp < &fc->ntpool[ATPDPSIZE]; ntp++) { 784 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 785 return (ntp); 786 } 787 return (NULL); 788 } 789 790 static void 791 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 792 { 793 struct isp_fc *fc = ISP_FC_PC(isp, chan); 794 795 ntp->tag_id = ntp->seq_id = 0; 796 STAILQ_INSERT_HEAD(&fc->ntfree, ntp, next); 797 } 798 799 tstate_t * 800 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path) 801 { 802 struct isp_fc *fc = ISP_FC_PC(isp, bus); 803 lun_id_t lun; 804 tstate_t *tptr; 805 806 lun = xpt_path_lun_id(path); 807 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 808 if (tptr == NULL) 809 return (NULL); 810 tptr->ts_lun = lun; 811 SLIST_INIT(&tptr->atios); 812 SLIST_INIT(&tptr->inots); 813 STAILQ_INIT(&tptr->restart_queue); 814 SLIST_INSERT_HEAD(&fc->lun_hash[LUN_HASH_FUNC(lun)], tptr, next); 815 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 816 return (tptr); 817 } 818 819 static void 820 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 821 { 822 struct isp_fc *fc = ISP_FC_PC(isp, bus); 823 union ccb *ccb; 824 inot_private_data_t *ntp; 825 826 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 827 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 828 ccb->ccb_h.status = CAM_REQ_ABORTED; 829 xpt_done(ccb); 830 }; 831 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 832 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 833 ccb->ccb_h.status = CAM_REQ_ABORTED; 834 xpt_done(ccb); 835 } 836 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 837 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 838 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 839 isp_put_ntpd(isp, bus, ntp); 840 } 841 SLIST_REMOVE(&fc->lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], tptr, tstate, next); 842 free(tptr, M_DEVBUF); 843 } 844 845 static void 846 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 847 { 848 tstate_t *tptr; 849 int bus = XS_CHANNEL(ccb); 850 target_id_t target = ccb->ccb_h.target_id; 851 lun_id_t lun = ccb->ccb_h.target_lun; 852 853 /* 854 * We only support either target and lun both wildcard 855 * or target and lun both non-wildcard. 856 */ 857 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 858 "enabling lun %jx\n", (uintmax_t)lun); 859 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 860 ccb->ccb_h.status = CAM_LUN_INVALID; 861 xpt_done(ccb); 862 return; 863 } 864 865 /* Create the state pointer. It should not already exist. */ 866 tptr = get_lun_statep(isp, bus, lun); 867 if (tptr) { 868 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 869 xpt_done(ccb); 870 return; 871 } 872 tptr = create_lun_state(isp, bus, ccb->ccb_h.path); 873 if (tptr == NULL) { 874 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 875 xpt_done(ccb); 876 return; 877 } 878 879 ccb->ccb_h.status = CAM_REQ_CMP; 880 xpt_done(ccb); 881 } 882 883 static void 884 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 885 { 886 tstate_t *tptr; 887 int bus = XS_CHANNEL(ccb); 888 target_id_t target = ccb->ccb_h.target_id; 889 lun_id_t lun = ccb->ccb_h.target_lun; 890 891 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 892 "disabling lun %jx\n", (uintmax_t)lun); 893 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 894 ccb->ccb_h.status = CAM_LUN_INVALID; 895 xpt_done(ccb); 896 return; 897 } 898 899 /* Find the state pointer. */ 900 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 901 ccb->ccb_h.status = CAM_PATH_INVALID; 902 xpt_done(ccb); 903 return; 904 } 905 906 destroy_lun_state(isp, bus, tptr); 907 ccb->ccb_h.status = CAM_REQ_CMP; 908 xpt_done(ccb); 909 } 910 911 static void 912 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 913 { 914 int fctape, sendstatus, resid; 915 fcparam *fcp; 916 atio_private_data_t *atp; 917 struct ccb_scsiio *cso; 918 struct isp_ccbq *waitq; 919 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 920 ct7_entry_t local, *cto = &local; 921 922 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, 923 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 924 925 waitq = &ISP_FC_PC(isp, XS_CHANNEL(ccb))->waitq; 926 switch (how) { 927 case FROM_CAM: 928 /* 929 * Insert at the tail of the list, if any, waiting CTIO CCBs 930 */ 931 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 932 break; 933 case FROM_TIMER: 934 case FROM_SRR: 935 case FROM_CTIO_DONE: 936 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 937 break; 938 } 939 940 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 941 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 942 943 cso = &ccb->csio; 944 xfrlen = cso->dxfer_len; 945 if (xfrlen == 0) { 946 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 947 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 948 ccb->ccb_h.status = CAM_REQ_INVALID; 949 xpt_done(ccb); 950 continue; 951 } 952 } 953 954 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 955 if (atp == NULL) { 956 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 957 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 958 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 959 xpt_done(ccb); 960 continue; 961 } 962 963 /* 964 * Is this command a dead duck? 965 */ 966 if (atp->dead) { 967 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 968 ccb->ccb_h.status = CAM_REQ_ABORTED; 969 xpt_done(ccb); 970 continue; 971 } 972 973 /* 974 * Check to make sure we're still in target mode. 975 */ 976 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 977 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 978 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 979 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 980 xpt_done(ccb); 981 continue; 982 } 983 984 /* 985 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 986 * could be split into two CTIOs to split data and status). 987 */ 988 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 989 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); 990 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 991 break; 992 } 993 994 /* 995 * Does the initiator expect FC-Tape style responses? 996 */ 997 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 998 fctape = 1; 999 } else { 1000 fctape = 0; 1001 } 1002 1003 /* 1004 * If we already did the data xfer portion of a CTIO that sends data 1005 * and status, don't do it again and do the status portion now. 1006 */ 1007 if (atp->sendst) { 1008 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1009 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1010 xfrlen = 0; /* we already did the data transfer */ 1011 atp->sendst = 0; 1012 } 1013 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1014 sendstatus = 1; 1015 } else { 1016 sendstatus = 0; 1017 } 1018 1019 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1020 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1021 /* 1022 * Sense length is not the entire sense data structure size. Periph 1023 * drivers don't seem to be setting sense_len to reflect the actual 1024 * size. We'll peek inside to get the right amount. 1025 */ 1026 sense_length = cso->sense_len; 1027 1028 /* 1029 * This 'cannot' happen 1030 */ 1031 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1032 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1033 } 1034 } else { 1035 sense_length = 0; 1036 } 1037 1038 /* 1039 * Check for overflow 1040 */ 1041 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1042 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1043 isp_prt(isp, ISP_LOGERR, 1044 "%s: [0x%x] data overflow by %u bytes", __func__, 1045 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1046 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1047 xpt_done(ccb); 1048 continue; 1049 } 1050 if (xfrlen > atp->orig_datalen - tmp) { 1051 xfrlen = atp->orig_datalen - tmp; 1052 if (xfrlen == 0 && !sendstatus) { 1053 cso->resid = cso->dxfer_len; 1054 ccb->ccb_h.status = CAM_REQ_CMP; 1055 xpt_done(ccb); 1056 continue; 1057 } 1058 } 1059 1060 memset(cto, 0, QENTRY_LEN); 1061 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1062 cto->ct_header.rqs_entry_count = 1; 1063 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1064 ATPD_SET_SEQNO(cto, atp); 1065 cto->ct_nphdl = atp->nphdl; 1066 cto->ct_rxid = atp->tag; 1067 cto->ct_iid_lo = atp->sid; 1068 cto->ct_iid_hi = atp->sid >> 16; 1069 cto->ct_oxid = atp->oxid; 1070 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1071 cto->ct_timeout = XS_TIME(ccb); 1072 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1073 1074 /* 1075 * Mode 1, status, no data. Only possible when we are sending status, have 1076 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1077 * 1078 * Mode 2, status, no data. We have to use this in the case that 1079 * the sense data won't fit into a ct7_entry_t. 1080 * 1081 */ 1082 if (sendstatus && xfrlen == 0) { 1083 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1084 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1085 if (sense_length <= MAXRESPLEN_24XX) { 1086 cto->ct_flags |= CT7_FLAG_MODE1; 1087 cto->ct_scsi_status = cso->scsi_status; 1088 if (resid < 0) { 1089 cto->ct_resid = -resid; 1090 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1091 } else if (resid > 0) { 1092 cto->ct_resid = resid; 1093 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1094 } 1095 if (fctape) { 1096 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1097 } 1098 if (sense_length) { 1099 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1100 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1101 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1102 } 1103 } else { 1104 bus_addr_t addr; 1105 fcp_rsp_iu_t rp; 1106 1107 if (atp->ests == NULL) { 1108 atp->ests = isp_get_ecmd(isp); 1109 if (atp->ests == NULL) { 1110 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1111 break; 1112 } 1113 } 1114 memset(&rp, 0, sizeof(rp)); 1115 if (fctape) { 1116 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1117 rp.fcp_rsp_bits |= FCP_CONF_REQ; 1118 } 1119 cto->ct_flags |= CT7_FLAG_MODE2; 1120 rp.fcp_rsp_scsi_status = cso->scsi_status; 1121 if (resid < 0) { 1122 rp.fcp_rsp_resid = -resid; 1123 rp.fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1124 } else if (resid > 0) { 1125 rp.fcp_rsp_resid = resid; 1126 rp.fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1127 } 1128 if (sense_length) { 1129 rp.fcp_rsp_snslen = sense_length; 1130 cto->ct_senselen = sense_length; 1131 rp.fcp_rsp_bits |= FCP_SNSLEN_VALID; 1132 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1133 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1134 } else { 1135 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1136 } 1137 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1138 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1139 } 1140 bus_dmamap_sync(isp->isp_osinfo.ecmd_dmat, isp->isp_osinfo.ecmd_map, BUS_DMASYNC_PREWRITE); 1141 addr = isp->isp_osinfo.ecmd_dma; 1142 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1143 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, 1144 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1145 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1146 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1147 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1148 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1149 } 1150 if (sense_length) { 1151 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__, 1152 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, 1153 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1154 } else { 1155 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1156 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1157 } 1158 atp->state = ATPD_STATE_LAST_CTIO; 1159 } 1160 1161 /* 1162 * Mode 0 data transfers, *possibly* with status. 1163 */ 1164 if (xfrlen != 0) { 1165 cto->ct_flags |= CT7_FLAG_MODE0; 1166 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1167 cto->ct_flags |= CT7_DATA_IN; 1168 } else { 1169 cto->ct_flags |= CT7_DATA_OUT; 1170 } 1171 1172 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1173 cto->rsp.m0.ct_xfrlen = xfrlen; 1174 1175 #ifdef DEBUG 1176 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1177 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1178 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1179 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1180 } 1181 #endif 1182 if (sendstatus) { 1183 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1184 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1185 cto->ct_flags |= CT7_SENDSTATUS; 1186 atp->state = ATPD_STATE_LAST_CTIO; 1187 if (fctape) { 1188 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1189 } 1190 } else { 1191 atp->sendst = 1; /* send status later */ 1192 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1193 atp->state = ATPD_STATE_CTIO; 1194 } 1195 } else { 1196 atp->state = ATPD_STATE_CTIO; 1197 } 1198 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__, 1199 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1200 } 1201 1202 if (isp_get_pcmd(isp, ccb)) { 1203 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1204 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1205 break; 1206 } 1207 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1208 if (handle == 0) { 1209 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1210 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1211 isp_free_pcmd(isp, ccb); 1212 break; 1213 } 1214 atp->bytes_in_transit += xfrlen; 1215 PISP_PCMD(ccb)->datalen = xfrlen; 1216 1217 /* 1218 * Call the dma setup routines for this entry (and any subsequent 1219 * CTIOs) if there's data to move, and then tell the f/w it's got 1220 * new things to play with. As with isp_start's usage of DMA setup, 1221 * any swizzling is done in the machine dependent layer. Because 1222 * of this, we put the request onto the queue area first in native 1223 * format. 1224 */ 1225 cto->ct_syshandle = handle; 1226 dmaresult = ISP_DMASETUP(isp, cso, cto); 1227 if (dmaresult != 0) { 1228 isp_destroy_handle(isp, handle); 1229 isp_free_pcmd(isp, ccb); 1230 if (dmaresult == CMD_EAGAIN) { 1231 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1232 break; 1233 } 1234 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1235 xpt_done(ccb); 1236 continue; 1237 } 1238 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1239 if (xfrlen) { 1240 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1241 } else { 1242 ccb->ccb_h.spriv_field0 = ~0; 1243 } 1244 atp->ctcnt++; 1245 atp->seqno++; 1246 } 1247 } 1248 1249 static void 1250 isp_refire_notify_ack(void *arg) 1251 { 1252 isp_tna_t *tp = arg; 1253 ispsoftc_t *isp = tp->isp; 1254 1255 ISP_ASSERT_LOCKED(isp); 1256 if (isp_notify_ack(isp, tp->not)) { 1257 callout_schedule(&tp->timer, 5); 1258 } else { 1259 free(tp, M_DEVBUF); 1260 } 1261 } 1262 1263 1264 static void 1265 isp_complete_ctio(ispsoftc_t *isp, union ccb *ccb) 1266 { 1267 1268 isp_rq_check_below(isp); 1269 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1270 xpt_done(ccb); 1271 } 1272 1273 static void 1274 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1275 { 1276 int cdbxlen; 1277 lun_id_t lun; 1278 uint16_t chan, nphdl = NIL_HANDLE; 1279 uint32_t did, sid; 1280 fcportdb_t *lp; 1281 tstate_t *tptr; 1282 struct ccb_accept_tio *atiop; 1283 atio_private_data_t *atp = NULL; 1284 atio_private_data_t *oatp; 1285 inot_private_data_t *ntp; 1286 1287 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1288 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1289 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1290 1291 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1292 /* Channel has to be derived from D_ID */ 1293 isp_find_chan_by_did(isp, did, &chan); 1294 if (chan == ISP_NOCHAN) { 1295 isp_prt(isp, ISP_LOGWARN, 1296 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1297 __func__, aep->at_rxid, did); 1298 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1299 ECMD_TERMINATE, 0); 1300 return; 1301 } 1302 } else { 1303 chan = 0; 1304 } 1305 1306 /* 1307 * Find the PDB entry for this initiator 1308 */ 1309 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1310 /* 1311 * If we're not in the port database terminate the exchange. 1312 */ 1313 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", 1314 __func__, aep->at_rxid, did, chan, sid); 1315 isp_dump_portdb(isp, chan); 1316 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1317 return; 1318 } 1319 nphdl = lp->handle; 1320 1321 /* 1322 * Get the tstate pointer 1323 */ 1324 tptr = get_lun_statep(isp, chan, lun); 1325 if (tptr == NULL) { 1326 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1327 if (tptr == NULL) { 1328 isp_prt(isp, ISP_LOGWARN, 1329 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1330 __func__, aep->at_rxid, (uintmax_t)lun); 1331 if (lun == 0) { 1332 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1333 } else { 1334 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1335 } 1336 return; 1337 } 1338 } 1339 1340 /* 1341 * Start any commands pending resources first. 1342 */ 1343 if (isp_atio_restart(isp, chan, tptr)) 1344 goto noresrc; 1345 1346 /* 1347 * If the f/w is out of resources, just send a BUSY status back. 1348 */ 1349 if (aep->at_rxid == AT7_NORESRC_RXID) { 1350 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1351 return; 1352 } 1353 1354 /* 1355 * If we're out of resources, just send a BUSY status back. 1356 */ 1357 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1358 if (atiop == NULL) { 1359 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1360 goto noresrc; 1361 } 1362 1363 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1364 if (oatp) { 1365 isp_prt(isp, oatp->state == ATPD_STATE_LAST_CTIO ? ISP_LOGTDEBUG0 : 1366 ISP_LOGWARN, "[0x%x] tag wraparound (N-Port Handle " 1367 "0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d", 1368 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1369 /* 1370 * It's not a "no resource" condition- but we can treat it like one 1371 */ 1372 goto noresrc; 1373 } 1374 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1375 if (atp == NULL) { 1376 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1377 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1378 return; 1379 } 1380 atp->word3 = lp->prli_word3; 1381 atp->state = ATPD_STATE_ATIO; 1382 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1383 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1384 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1385 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1386 atiop->ccb_h.target_lun = lun; 1387 atiop->sense_len = 0; 1388 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1389 if (cdbxlen) { 1390 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1391 } 1392 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1393 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1394 atiop->cdb_len = cdbxlen; 1395 atiop->ccb_h.status = CAM_CDB_RECVD; 1396 atiop->tag_id = atp->tag; 1397 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1398 case FCP_CMND_TASK_ATTR_SIMPLE: 1399 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1400 atiop->tag_action = MSG_SIMPLE_TASK; 1401 break; 1402 case FCP_CMND_TASK_ATTR_HEAD: 1403 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1404 atiop->tag_action = MSG_HEAD_OF_QUEUE_TASK; 1405 break; 1406 case FCP_CMND_TASK_ATTR_ORDERED: 1407 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1408 atiop->tag_action = MSG_ORDERED_TASK; 1409 break; 1410 case FCP_CMND_TASK_ATTR_ACA: 1411 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1412 atiop->tag_action = MSG_ACA_TASK; 1413 break; 1414 case FCP_CMND_TASK_ATTR_UNTAGGED: 1415 default: 1416 atiop->tag_action = 0; 1417 break; 1418 } 1419 atiop->priority = (aep->at_cmnd.fcp_cmnd_task_attribute & 1420 FCP_CMND_PRIO_MASK) >> FCP_CMND_PRIO_SHIFT; 1421 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1422 atp->bytes_xfered = 0; 1423 atp->lun = lun; 1424 atp->nphdl = nphdl; 1425 atp->sid = sid; 1426 atp->did = did; 1427 atp->oxid = aep->at_hdr.ox_id; 1428 atp->rxid = aep->at_hdr.rx_id; 1429 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1430 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1431 atp->state = ATPD_STATE_CAM; 1432 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1433 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1434 xpt_done((union ccb *)atiop); 1435 return; 1436 noresrc: 1437 KASSERT(atp == NULL, ("%s: atp is not NULL on noresrc!\n", __func__)); 1438 ntp = isp_get_ntpd(isp, chan); 1439 if (ntp == NULL) { 1440 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1441 return; 1442 } 1443 memcpy(ntp->data, aep, QENTRY_LEN); 1444 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1445 } 1446 1447 1448 /* 1449 * Handle starting an SRR (sequence retransmit request) 1450 * We get here when we've gotten the immediate notify 1451 * and the return of all outstanding CTIOs for this 1452 * transaction. 1453 */ 1454 static void 1455 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1456 { 1457 in_fcentry_24xx_t *inot; 1458 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1459 union ccb *ccb; 1460 1461 inot = (in_fcentry_24xx_t *)atp->srr; 1462 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1463 ccb = atp->srr_ccb; 1464 atp->srr_ccb = NULL; 1465 atp->nsrr++; 1466 if (ccb == NULL) { 1467 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1468 goto fail; 1469 } 1470 1471 ccb_off = ccb->ccb_h.spriv_field0; 1472 ccb_len = ccb->csio.dxfer_len; 1473 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1474 1475 switch (inot->in_srr_iu) { 1476 case R_CTL_INFO_SOLICITED_DATA: 1477 /* 1478 * We have to restart a FCP_DATA data out transaction 1479 */ 1480 atp->sendst = 0; 1481 atp->bytes_xfered = srr_off; 1482 if (ccb_len == 0) { 1483 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 1484 goto mdp; 1485 } 1486 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 1487 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); 1488 goto mdp; 1489 } 1490 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); 1491 break; 1492 case R_CTL_INFO_COMMAND_STATUS: 1493 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 1494 atp->sendst = 1; 1495 /* 1496 * We have to restart a FCP_RSP IU transaction 1497 */ 1498 break; 1499 case R_CTL_INFO_DATA_DESCRIPTOR: 1500 /* 1501 * We have to restart an FCP DATA in transaction 1502 */ 1503 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 1504 goto fail; 1505 1506 default: 1507 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 1508 goto fail; 1509 } 1510 1511 /* 1512 * We can't do anything until this is acked, so we might as well start it now. 1513 * We aren't going to do the usual asynchronous ack issue because we need 1514 * to make sure this gets on the wire first. 1515 */ 1516 if (isp_notify_ack(isp, inot)) { 1517 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 1518 goto fail; 1519 } 1520 isp_target_start_ctio(isp, ccb, FROM_SRR); 1521 return; 1522 fail: 1523 inot->in_reserved = 1; 1524 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 1525 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1526 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1527 isp_complete_ctio(isp, ccb); 1528 return; 1529 mdp: 1530 if (isp_notify_ack(isp, inot)) { 1531 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 1532 goto fail; 1533 } 1534 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1535 ccb->ccb_h.status |= CAM_MESSAGE_RECV; 1536 /* 1537 * This is not a strict interpretation of MDP, but it's close 1538 */ 1539 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 1540 ccb->csio.msg_len = 7; 1541 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 1542 ccb->csio.msg_ptr[1] = 5; 1543 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 1544 ccb->csio.msg_ptr[3] = srr_off >> 24; 1545 ccb->csio.msg_ptr[4] = srr_off >> 16; 1546 ccb->csio.msg_ptr[5] = srr_off >> 8; 1547 ccb->csio.msg_ptr[6] = srr_off; 1548 isp_complete_ctio(isp, ccb); 1549 } 1550 1551 1552 static void 1553 isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 1554 { 1555 in_fcentry_24xx_t *inot = notify->nt_lreserved; 1556 atio_private_data_t *atp; 1557 uint32_t tag = notify->nt_tagval & 0xffffffff; 1558 1559 atp = isp_find_atpd(isp, notify->nt_channel, tag); 1560 if (atp == NULL) { 1561 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 1562 __func__, tag); 1563 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 1564 return; 1565 } 1566 atp->srr_notify_rcvd = 1; 1567 memcpy(atp->srr, inot, sizeof (atp->srr)); 1568 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 1569 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 1570 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 1571 if (atp->srr_ccb) 1572 isp_handle_srr_start(isp, atp); 1573 } 1574 1575 static void 1576 isp_handle_platform_ctio(ispsoftc_t *isp, ct7_entry_t *ct) 1577 { 1578 union ccb *ccb; 1579 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 1580 atio_private_data_t *atp = NULL; 1581 int bus; 1582 uint32_t handle, data_requested, resid; 1583 1584 handle = ct->ct_syshandle; 1585 ccb = isp_find_xs(isp, handle); 1586 if (ccb == NULL) { 1587 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, ct); 1588 return; 1589 } 1590 isp_destroy_handle(isp, handle); 1591 resid = data_requested = PISP_PCMD(ccb)->datalen; 1592 isp_free_pcmd(isp, ccb); 1593 1594 bus = XS_CHANNEL(ccb); 1595 atp = isp_find_atpd(isp, bus, ct->ct_rxid); 1596 if (atp == NULL) { 1597 /* 1598 * XXX: isp_clear_commands() generates fake CTIO with zero 1599 * ct_rxid value, filling only ct_syshandle. Workaround 1600 * that using tag_id from the CCB, pointed by ct_syshandle. 1601 */ 1602 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 1603 } 1604 if (atp == NULL) { 1605 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 1606 return; 1607 } 1608 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 1609 atp->bytes_in_transit -= data_requested; 1610 atp->ctcnt -= 1; 1611 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1612 1613 if (ct->ct_nphdl == CT7_SRR) { 1614 atp->srr_ccb = ccb; 1615 if (atp->srr_notify_rcvd) 1616 isp_handle_srr_start(isp, atp); 1617 return; 1618 } 1619 if (ct->ct_nphdl == CT_HBA_RESET) { 1620 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 1621 (atp->sendst == 0); 1622 failure = CAM_UNREC_HBA_ERROR; 1623 } else { 1624 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 1625 ok = (ct->ct_nphdl == CT7_OK); 1626 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 1627 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 1628 resid = ct->ct_resid; 1629 } 1630 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), 1631 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 1632 if (ok) { 1633 if (data_requested > 0) { 1634 atp->bytes_xfered += data_requested - resid; 1635 ccb->csio.resid = ccb->csio.dxfer_len - 1636 (data_requested - resid); 1637 } 1638 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 1639 ccb->ccb_h.status |= CAM_SENT_SENSE; 1640 ccb->ccb_h.status |= CAM_REQ_CMP; 1641 } else { 1642 notify_cam = 1; 1643 if (failure == CAM_UNREC_HBA_ERROR) 1644 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 1645 else 1646 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1647 } 1648 atp->state = ATPD_STATE_PDON; 1649 1650 /* 1651 * We never *not* notify CAM when there has been any error (ok == 0), 1652 * so we never need to do an ATIO putback if we're not notifying CAM. 1653 */ 1654 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 1655 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 1656 if (notify_cam == 0) { 1657 if (atp->sendst) { 1658 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 1659 } 1660 return; 1661 } 1662 1663 /* 1664 * We are done with this ATIO if we successfully sent status. 1665 * In all other cases expect either another CTIO or XPT_ABORT. 1666 */ 1667 if (ok && sentstatus) 1668 isp_put_atpd(isp, bus, atp); 1669 1670 /* 1671 * We're telling CAM we're done with this CTIO transaction. 1672 * 1673 * 24XX cards never need an ATIO put back. 1674 */ 1675 isp_complete_ctio(isp, ccb); 1676 } 1677 1678 static int 1679 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 1680 { 1681 ct7_entry_t local, *cto = &local; 1682 1683 if (isp->isp_state != ISP_RUNSTATE) { 1684 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 1685 return (0); 1686 } 1687 1688 /* 1689 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 1690 */ 1691 if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 1692 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 1693 fcportdb_t *lp; 1694 uint32_t sid; 1695 uint16_t nphdl; 1696 1697 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1698 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 1699 nphdl = lp->handle; 1700 } else { 1701 nphdl = NIL_HANDLE; 1702 } 1703 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 1704 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1705 cto->ct_header.rqs_entry_count = 1; 1706 cto->ct_nphdl = nphdl; 1707 cto->ct_rxid = aep->at_rxid; 1708 cto->ct_vpidx = mp->nt_channel; 1709 cto->ct_iid_lo = sid; 1710 cto->ct_iid_hi = sid >> 16; 1711 cto->ct_oxid = aep->at_hdr.ox_id; 1712 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 1713 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 1714 if (rsp != 0) { 1715 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 1716 cto->rsp.m1.ct_resplen = 4; 1717 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 1718 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 1719 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 1720 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 1721 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 1722 } 1723 return (isp_send_entry(isp, cto)); 1724 } 1725 1726 /* 1727 * This case is for a responding to an ABTS frame 1728 */ 1729 if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 1730 1731 /* 1732 * Overload nt_need_ack here to mark whether we've terminated the associated command. 1733 */ 1734 if (mp->nt_need_ack) { 1735 abts_t *abts = (abts_t *)mp->nt_lreserved; 1736 1737 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 1738 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 1739 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1740 cto->ct_header.rqs_entry_count = 1; 1741 cto->ct_nphdl = mp->nt_nphdl; 1742 cto->ct_rxid = abts->abts_rxid_task; 1743 cto->ct_iid_lo = mp->nt_sid; 1744 cto->ct_iid_hi = mp->nt_sid >> 16; 1745 cto->ct_oxid = abts->abts_ox_id; 1746 cto->ct_vpidx = mp->nt_channel; 1747 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 1748 if (isp_send_entry(isp, cto)) { 1749 return (ENOMEM); 1750 } 1751 mp->nt_need_ack = 0; 1752 } 1753 return (isp_acknak_abts(isp, mp->nt_lreserved, 0)); 1754 } 1755 1756 /* 1757 * General purpose acknowledgement 1758 */ 1759 if (mp->nt_need_ack) { 1760 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 1761 /* 1762 * Don't need to use the guaranteed send because the caller can retry 1763 */ 1764 return (isp_notify_ack(isp, mp->nt_lreserved)); 1765 } 1766 return (0); 1767 } 1768 1769 /* 1770 * Handle task management functions. 1771 * 1772 * We show up here with a notify structure filled out. 1773 * 1774 * The nt_lreserved tag points to the original queue entry 1775 */ 1776 static void 1777 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 1778 { 1779 tstate_t *tptr; 1780 fcportdb_t *lp; 1781 struct ccb_immediate_notify *inot; 1782 inot_private_data_t *ntp = NULL; 1783 atio_private_data_t *atp; 1784 lun_id_t lun; 1785 1786 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode, 1787 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 1788 if (notify->nt_lun == LUN_ANY) { 1789 if (notify->nt_tagval == TAG_ANY) { 1790 lun = CAM_LUN_WILDCARD; 1791 } else { 1792 atp = isp_find_atpd(isp, notify->nt_channel, 1793 notify->nt_tagval & 0xffffffff); 1794 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 1795 } 1796 } else { 1797 lun = notify->nt_lun; 1798 } 1799 tptr = get_lun_statep(isp, notify->nt_channel, lun); 1800 if (tptr == NULL) { 1801 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 1802 if (tptr == NULL) { 1803 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 1804 goto bad; 1805 } 1806 } 1807 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 1808 if (inot == NULL) { 1809 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 1810 goto bad; 1811 } 1812 1813 inot->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1814 inot->ccb_h.target_lun = lun; 1815 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 1816 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 1817 inot->initiator_id = CAM_TARGET_WILDCARD; 1818 } else { 1819 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 1820 } 1821 inot->seq_id = notify->nt_tagval; 1822 inot->tag_id = notify->nt_tagval >> 32; 1823 1824 switch (notify->nt_ncode) { 1825 case NT_ABORT_TASK: 1826 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 1827 inot->arg = MSG_ABORT_TASK; 1828 break; 1829 case NT_ABORT_TASK_SET: 1830 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 1831 inot->arg = MSG_ABORT_TASK_SET; 1832 break; 1833 case NT_CLEAR_ACA: 1834 inot->arg = MSG_CLEAR_ACA; 1835 break; 1836 case NT_CLEAR_TASK_SET: 1837 inot->arg = MSG_CLEAR_TASK_SET; 1838 break; 1839 case NT_LUN_RESET: 1840 inot->arg = MSG_LOGICAL_UNIT_RESET; 1841 break; 1842 case NT_TARGET_RESET: 1843 inot->arg = MSG_TARGET_RESET; 1844 break; 1845 case NT_QUERY_TASK_SET: 1846 inot->arg = MSG_QUERY_TASK_SET; 1847 break; 1848 case NT_QUERY_ASYNC_EVENT: 1849 inot->arg = MSG_QUERY_ASYNC_EVENT; 1850 break; 1851 default: 1852 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); 1853 goto bad; 1854 } 1855 1856 ntp = isp_get_ntpd(isp, notify->nt_channel); 1857 if (ntp == NULL) { 1858 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 1859 goto bad; 1860 } 1861 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 1862 if (notify->nt_lreserved) { 1863 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 1864 ntp->nt.nt_lreserved = &ntp->data; 1865 } 1866 ntp->seq_id = notify->nt_tagval; 1867 ntp->tag_id = notify->nt_tagval >> 32; 1868 1869 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 1870 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 1871 inot->ccb_h.status = CAM_MESSAGE_RECV; 1872 xpt_done((union ccb *)inot); 1873 return; 1874 bad: 1875 if (notify->nt_need_ack) { 1876 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 1877 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 1878 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 1879 } 1880 } else { 1881 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 1882 } 1883 } 1884 } 1885 1886 static void 1887 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 1888 { 1889 struct isp_fc *fc = ISP_FC_PC(isp, chan); 1890 atio_private_data_t *atp; 1891 inot_private_data_t *ntp, *tmp; 1892 uint32_t this_tag_id; 1893 1894 /* 1895 * First, clean any commands pending restart 1896 */ 1897 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 1898 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 1899 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 1900 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 1901 ECMD_TERMINATE, 0); 1902 isp_put_ntpd(isp, chan, ntp); 1903 STAILQ_REMOVE(&tptr->restart_queue, ntp, 1904 inot_private_data, next); 1905 } 1906 } 1907 1908 /* 1909 * Now mark other ones dead as well. 1910 */ 1911 for (atp = fc->atpool; atp < &fc->atpool[ATPDPSIZE]; atp++) { 1912 if (atp->lun != tptr->ts_lun) 1913 continue; 1914 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 1915 atp->dead = 1; 1916 } 1917 } 1918 #endif 1919 1920 static void 1921 isp_poll(struct cam_sim *sim) 1922 { 1923 ispsoftc_t *isp = cam_sim_softc(sim); 1924 1925 ISP_RUN_ISR(isp); 1926 } 1927 1928 1929 static void 1930 isp_watchdog(void *arg) 1931 { 1932 struct ccb_scsiio *xs = arg; 1933 ispsoftc_t *isp; 1934 uint32_t ohandle = ISP_HANDLE_FREE, handle; 1935 1936 isp = XS_ISP(xs); 1937 1938 handle = isp_find_handle(isp, xs); 1939 1940 /* 1941 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 1942 */ 1943 if (handle != ISP_HANDLE_FREE) { 1944 ISP_RUN_ISR(isp); 1945 ohandle = handle; 1946 handle = isp_find_handle(isp, xs); 1947 } 1948 if (handle != ISP_HANDLE_FREE) { 1949 /* 1950 * Try and make sure the command is really dead before 1951 * we release the handle (and DMA resources) for reuse. 1952 * 1953 * If we are successful in aborting the command then 1954 * we're done here because we'll get the command returned 1955 * back separately. 1956 */ 1957 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 1958 return; 1959 } 1960 1961 /* 1962 * Note that after calling the above, the command may in 1963 * fact have been completed. 1964 */ 1965 xs = isp_find_xs(isp, handle); 1966 1967 /* 1968 * If the command no longer exists, then we won't 1969 * be able to find the xs again with this handle. 1970 */ 1971 if (xs == NULL) { 1972 return; 1973 } 1974 1975 /* 1976 * After this point, the command is really dead. 1977 */ 1978 ISP_DMAFREE(isp, xs); 1979 isp_destroy_handle(isp, handle); 1980 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 1981 XS_SETERR(xs, CAM_CMD_TIMEOUT); 1982 isp_done(xs); 1983 } else { 1984 if (ohandle != ISP_HANDLE_FREE) { 1985 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 1986 } else { 1987 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 1988 } 1989 } 1990 } 1991 1992 static void 1993 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 1994 { 1995 union ccb *ccb; 1996 struct isp_fc *fc = ISP_FC_PC(isp, chan); 1997 1998 /* 1999 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2000 */ 2001 ccb = xpt_alloc_ccb_nowait(); 2002 if (ccb == NULL) { 2003 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2004 return; 2005 } 2006 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2007 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2008 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2009 xpt_free_ccb(ccb); 2010 return; 2011 } 2012 xpt_rescan(ccb); 2013 } 2014 2015 static void 2016 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2017 { 2018 struct cam_path *tp; 2019 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2020 2021 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2022 xpt_async(AC_LOST_DEVICE, tp, NULL); 2023 xpt_free_path(tp); 2024 } 2025 } 2026 2027 /* 2028 * Gone Device Timer Function- when we have decided that a device has gone 2029 * away, we wait a specific period of time prior to telling the OS it has 2030 * gone away. 2031 * 2032 * This timer function fires once a second and then scans the port database 2033 * for devices that are marked dead but still have a virtual target assigned. 2034 * We decrement a counter for that port database entry, and when it hits zero, 2035 * we tell the OS the device has gone away. 2036 */ 2037 static void 2038 isp_gdt(void *arg) 2039 { 2040 struct isp_fc *fc = arg; 2041 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2042 } 2043 2044 static void 2045 isp_gdt_task(void *arg, int pending) 2046 { 2047 struct isp_fc *fc = arg; 2048 ispsoftc_t *isp = fc->isp; 2049 int chan = fc - ISP_FC_PC(isp, 0); 2050 fcportdb_t *lp; 2051 struct ac_contract ac; 2052 struct ac_device_changed *adc; 2053 int dbidx, more_to_do = 0; 2054 2055 ISP_LOCK(isp); 2056 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2057 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2058 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2059 2060 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2061 continue; 2062 } 2063 if (lp->gone_timer != 0) { 2064 lp->gone_timer -= 1; 2065 more_to_do++; 2066 continue; 2067 } 2068 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2069 if (lp->is_target) { 2070 lp->is_target = 0; 2071 isp_make_gone(isp, lp, chan, dbidx); 2072 } 2073 if (lp->is_initiator) { 2074 lp->is_initiator = 0; 2075 ac.contract_number = AC_CONTRACT_DEV_CHG; 2076 adc = (struct ac_device_changed *) ac.contract_data; 2077 adc->wwpn = lp->port_wwn; 2078 adc->port = lp->portid; 2079 adc->target = dbidx; 2080 adc->arrived = 0; 2081 xpt_async(AC_CONTRACT, fc->path, &ac); 2082 } 2083 lp->state = FC_PORTDB_STATE_NIL; 2084 } 2085 if (fc->ready) { 2086 if (more_to_do) { 2087 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2088 } else { 2089 callout_deactivate(&fc->gdt); 2090 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2091 } 2092 } 2093 ISP_UNLOCK(isp); 2094 } 2095 2096 /* 2097 * When loop goes down we remember the time and freeze CAM command queue. 2098 * During some time period we are trying to reprobe the loop. But if we 2099 * fail, we tell the OS that devices have gone away and drop the freeze. 2100 * 2101 * We don't clear the devices out of our port database because, when loop 2102 * come back up, we have to do some actual cleanup with the chip at that 2103 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2104 */ 2105 static void 2106 isp_loop_changed(ispsoftc_t *isp, int chan) 2107 { 2108 fcparam *fcp = FCPARAM(isp, chan); 2109 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2110 2111 if (fc->loop_down_time) 2112 return; 2113 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2114 if (fcp->role & ISP_ROLE_INITIATOR) 2115 isp_freeze_loopdown(isp, chan); 2116 fc->loop_down_time = time_uptime; 2117 wakeup(fc); 2118 } 2119 2120 static void 2121 isp_loop_up(ispsoftc_t *isp, int chan) 2122 { 2123 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2124 2125 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2126 fc->loop_seen_once = 1; 2127 fc->loop_down_time = 0; 2128 isp_unfreeze_loopdown(isp, chan); 2129 } 2130 2131 static void 2132 isp_loop_dead(ispsoftc_t *isp, int chan) 2133 { 2134 fcparam *fcp = FCPARAM(isp, chan); 2135 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2136 fcportdb_t *lp; 2137 struct ac_contract ac; 2138 struct ac_device_changed *adc; 2139 int dbidx, i; 2140 2141 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2142 2143 /* 2144 * Notify to the OS all targets who we now consider have departed. 2145 */ 2146 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2147 lp = &fcp->portdb[dbidx]; 2148 2149 if (lp->state == FC_PORTDB_STATE_NIL) 2150 continue; 2151 2152 for (i = 0; i < ISP_HANDLE_NUM(isp); i++) { 2153 struct ccb_scsiio *xs; 2154 2155 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2156 continue; 2157 } 2158 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2159 continue; 2160 } 2161 if (dbidx != XS_TGT(xs)) { 2162 continue; 2163 } 2164 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2165 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2166 (uintmax_t)XS_LUN(xs)); 2167 2168 /* 2169 * Just like in isp_watchdog, abort the outstanding 2170 * command or immediately free its resources if it is 2171 * not active 2172 */ 2173 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2174 continue; 2175 } 2176 2177 ISP_DMAFREE(isp, xs); 2178 isp_destroy_handle(isp, isp->isp_xflist[i].handle); 2179 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed", 2180 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2181 (uintmax_t)XS_LUN(xs)); 2182 XS_SETERR(xs, HBA_BUSRESET); 2183 isp_done(xs); 2184 } 2185 2186 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2187 if (lp->is_target) { 2188 lp->is_target = 0; 2189 isp_make_gone(isp, lp, chan, dbidx); 2190 } 2191 if (lp->is_initiator) { 2192 lp->is_initiator = 0; 2193 ac.contract_number = AC_CONTRACT_DEV_CHG; 2194 adc = (struct ac_device_changed *) ac.contract_data; 2195 adc->wwpn = lp->port_wwn; 2196 adc->port = lp->portid; 2197 adc->target = dbidx; 2198 adc->arrived = 0; 2199 xpt_async(AC_CONTRACT, fc->path, &ac); 2200 } 2201 } 2202 2203 isp_unfreeze_loopdown(isp, chan); 2204 fc->loop_down_time = 0; 2205 } 2206 2207 static void 2208 isp_kthread(void *arg) 2209 { 2210 struct isp_fc *fc = arg; 2211 ispsoftc_t *isp = fc->isp; 2212 int chan = fc - ISP_FC_PC(isp, 0); 2213 int slp = 0, d; 2214 int lb, lim; 2215 2216 ISP_LOCK(isp); 2217 while (isp->isp_osinfo.is_exiting == 0) { 2218 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2219 "Chan %d Checking FC state", chan); 2220 lb = isp_fc_runstate(isp, chan, 250000); 2221 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2222 "Chan %d FC got to %s state", chan, 2223 isp_fc_loop_statename(lb)); 2224 2225 /* 2226 * Our action is different based upon whether we're supporting 2227 * Initiator mode or not. If we are, we might freeze the simq 2228 * when loop is down and set all sorts of different delays to 2229 * check again. 2230 * 2231 * If not, we simply just wait for loop to come up. 2232 */ 2233 if (lb == LOOP_READY || lb < 0) { 2234 slp = 0; 2235 } else { 2236 /* 2237 * If we've never seen loop up and we've waited longer 2238 * than quickboot time, or we've seen loop up but we've 2239 * waited longer than loop_down_limit, give up and go 2240 * to sleep until loop comes up. 2241 */ 2242 if (fc->loop_seen_once == 0) 2243 lim = isp_quickboot_time; 2244 else 2245 lim = fc->loop_down_limit; 2246 d = time_uptime - fc->loop_down_time; 2247 if (d >= lim) 2248 slp = 0; 2249 else if (d < 10) 2250 slp = 1; 2251 else if (d < 30) 2252 slp = 5; 2253 else if (d < 60) 2254 slp = 10; 2255 else if (d < 120) 2256 slp = 20; 2257 else 2258 slp = 30; 2259 } 2260 2261 if (slp == 0) { 2262 if (lb == LOOP_READY) 2263 isp_loop_up(isp, chan); 2264 else 2265 isp_loop_dead(isp, chan); 2266 } 2267 2268 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2269 "Chan %d sleep for %d seconds", chan, slp); 2270 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2271 } 2272 fc->num_threads -= 1; 2273 wakeup(&fc->num_threads); 2274 ISP_UNLOCK(isp); 2275 kthread_exit(); 2276 } 2277 2278 #ifdef ISP_TARGET_MODE 2279 static void 2280 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2281 { 2282 atio_private_data_t *atp; 2283 union ccb *accb = ccb->cab.abort_ccb; 2284 struct ccb_hdr *sccb; 2285 tstate_t *tptr; 2286 2287 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2288 if (tptr != NULL) { 2289 /* Search for the ATIO among queueued. */ 2290 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2291 if (sccb != &accb->ccb_h) 2292 continue; 2293 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2294 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2295 "Abort FREE ATIO\n"); 2296 accb->ccb_h.status = CAM_REQ_ABORTED; 2297 xpt_done(accb); 2298 ccb->ccb_h.status = CAM_REQ_CMP; 2299 return; 2300 } 2301 } 2302 2303 /* Search for the ATIO among running. */ 2304 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2305 if (atp != NULL) { 2306 /* Send TERMINATE to firmware. */ 2307 if (!atp->dead) { 2308 uint8_t storage[QENTRY_LEN]; 2309 ct7_entry_t *cto = (ct7_entry_t *) storage; 2310 2311 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2312 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2313 cto->ct_header.rqs_entry_count = 1; 2314 cto->ct_nphdl = atp->nphdl; 2315 cto->ct_rxid = atp->tag; 2316 cto->ct_iid_lo = atp->sid; 2317 cto->ct_iid_hi = atp->sid >> 16; 2318 cto->ct_oxid = atp->oxid; 2319 cto->ct_vpidx = XS_CHANNEL(accb); 2320 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2321 isp_send_entry(isp, cto); 2322 } 2323 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2324 ccb->ccb_h.status = CAM_REQ_CMP; 2325 } else { 2326 ccb->ccb_h.status = CAM_UA_ABORT; 2327 } 2328 } 2329 2330 static void 2331 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2332 { 2333 inot_private_data_t *ntp; 2334 union ccb *accb = ccb->cab.abort_ccb; 2335 struct ccb_hdr *sccb; 2336 tstate_t *tptr; 2337 2338 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2339 if (tptr != NULL) { 2340 /* Search for the INOT among queueued. */ 2341 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2342 if (sccb != &accb->ccb_h) 2343 continue; 2344 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2345 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2346 "Abort FREE INOT\n"); 2347 accb->ccb_h.status = CAM_REQ_ABORTED; 2348 xpt_done(accb); 2349 ccb->ccb_h.status = CAM_REQ_CMP; 2350 return; 2351 } 2352 } 2353 2354 /* Search for the INOT among running. */ 2355 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2356 if (ntp != NULL) { 2357 if (ntp->nt.nt_need_ack) { 2358 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2359 ntp->nt.nt_lreserved); 2360 } 2361 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2362 ccb->ccb_h.status = CAM_REQ_CMP; 2363 } else { 2364 ccb->ccb_h.status = CAM_UA_ABORT; 2365 return; 2366 } 2367 } 2368 #endif 2369 2370 static void 2371 isp_action(struct cam_sim *sim, union ccb *ccb) 2372 { 2373 int bus, tgt, error; 2374 ispsoftc_t *isp; 2375 fcparam *fcp; 2376 struct ccb_trans_settings *cts; 2377 sbintime_t ts; 2378 2379 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2380 2381 isp = (ispsoftc_t *)cam_sim_softc(sim); 2382 ISP_ASSERT_LOCKED(isp); 2383 bus = cam_sim_bus(sim); 2384 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2385 ISP_PCMD(ccb) = NULL; 2386 2387 switch (ccb->ccb_h.func_code) { 2388 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2389 /* 2390 * Do a couple of preliminary checks... 2391 */ 2392 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2393 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2394 ccb->ccb_h.status = CAM_REQ_INVALID; 2395 isp_done((struct ccb_scsiio *) ccb); 2396 break; 2397 } 2398 } 2399 #ifdef DIAGNOSTIC 2400 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 2401 xpt_print(ccb->ccb_h.path, "invalid target\n"); 2402 ccb->ccb_h.status = CAM_PATH_INVALID; 2403 } 2404 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 2405 xpt_done(ccb); 2406 break; 2407 } 2408 #endif 2409 ccb->csio.scsi_status = SCSI_STATUS_OK; 2410 if (isp_get_pcmd(isp, ccb)) { 2411 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 2412 cam_freeze_devq(ccb->ccb_h.path); 2413 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 2414 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2415 xpt_done(ccb); 2416 break; 2417 } 2418 error = isp_start((XS_T *) ccb); 2419 isp_rq_check_above(isp); 2420 switch (error) { 2421 case 0: 2422 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2423 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 2424 break; 2425 /* Give firmware extra 10s to handle timeout. */ 2426 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 2427 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 2428 isp_watchdog, ccb, 0); 2429 break; 2430 case CMD_RQLATER: 2431 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 2432 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 2433 cam_freeze_devq(ccb->ccb_h.path); 2434 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 2435 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2436 isp_free_pcmd(isp, ccb); 2437 xpt_done(ccb); 2438 break; 2439 case CMD_EAGAIN: 2440 isp_free_pcmd(isp, ccb); 2441 cam_freeze_devq(ccb->ccb_h.path); 2442 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 10, 0); 2443 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2444 xpt_done(ccb); 2445 break; 2446 case CMD_COMPLETE: 2447 isp_done((struct ccb_scsiio *) ccb); 2448 break; 2449 default: 2450 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 2451 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2452 isp_free_pcmd(isp, ccb); 2453 xpt_done(ccb); 2454 } 2455 break; 2456 2457 #ifdef ISP_TARGET_MODE 2458 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 2459 if (ccb->cel.enable) { 2460 isp_enable_lun(isp, ccb); 2461 } else { 2462 isp_disable_lun(isp, ccb); 2463 } 2464 break; 2465 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 2466 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 2467 { 2468 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 2469 if (tptr == NULL) { 2470 const char *str; 2471 2472 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 2473 str = "XPT_IMMEDIATE_NOTIFY"; 2474 else 2475 str = "XPT_ACCEPT_TARGET_IO"; 2476 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 2477 "%s: no state pointer found for %s\n", 2478 __func__, str); 2479 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2480 xpt_done(ccb); 2481 break; 2482 } 2483 2484 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 2485 ccb->atio.tag_id = 0; 2486 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 2487 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 2488 "Put FREE ATIO\n"); 2489 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 2490 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 2491 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 2492 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 2493 "Put FREE INOT\n"); 2494 } 2495 ccb->ccb_h.status = CAM_REQ_INPROG; 2496 break; 2497 } 2498 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 2499 { 2500 inot_private_data_t *ntp; 2501 2502 /* 2503 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 2504 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 2505 */ 2506 /* 2507 * All the relevant path information is in the associated immediate notify 2508 */ 2509 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); 2510 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 2511 if (ntp == NULL) { 2512 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__, 2513 ccb->cna2.tag_id, ccb->cna2.seq_id); 2514 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2515 xpt_done(ccb); 2516 break; 2517 } 2518 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 2519 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 2520 cam_freeze_devq(ccb->ccb_h.path); 2521 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 10, 0); 2522 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2523 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 2524 break; 2525 } 2526 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 2527 ccb->ccb_h.status = CAM_REQ_CMP; 2528 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); 2529 xpt_done(ccb); 2530 break; 2531 } 2532 case XPT_CONT_TARGET_IO: 2533 isp_target_start_ctio(isp, ccb, FROM_CAM); 2534 isp_rq_check_above(isp); 2535 break; 2536 #endif 2537 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 2538 tgt = ccb->ccb_h.target_id; 2539 tgt |= (bus << 16); 2540 2541 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 2542 if (error) { 2543 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2544 } else { 2545 /* 2546 * If we have a FC device, reset the Command 2547 * Reference Number, because the target will expect 2548 * that we re-start the CRN at 1 after a reset. 2549 */ 2550 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2551 2552 ccb->ccb_h.status = CAM_REQ_CMP; 2553 } 2554 xpt_done(ccb); 2555 break; 2556 case XPT_ABORT: /* Abort the specified CCB */ 2557 { 2558 union ccb *accb = ccb->cab.abort_ccb; 2559 switch (accb->ccb_h.func_code) { 2560 #ifdef ISP_TARGET_MODE 2561 case XPT_ACCEPT_TARGET_IO: 2562 isp_abort_atio(isp, ccb); 2563 break; 2564 case XPT_IMMEDIATE_NOTIFY: 2565 isp_abort_inot(isp, ccb); 2566 break; 2567 #endif 2568 case XPT_SCSI_IO: 2569 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 2570 if (error) { 2571 ccb->ccb_h.status = CAM_UA_ABORT; 2572 } else { 2573 ccb->ccb_h.status = CAM_REQ_CMP; 2574 } 2575 break; 2576 default: 2577 ccb->ccb_h.status = CAM_REQ_INVALID; 2578 break; 2579 } 2580 /* 2581 * This is not a queued CCB, so the caller expects it to be 2582 * complete when control is returned. 2583 */ 2584 break; 2585 } 2586 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 2587 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 2588 cts = &ccb->cts; 2589 if (!IS_CURRENT_SETTINGS(cts)) { 2590 ccb->ccb_h.status = CAM_REQ_INVALID; 2591 xpt_done(ccb); 2592 break; 2593 } 2594 ccb->ccb_h.status = CAM_REQ_CMP; 2595 xpt_done(ccb); 2596 break; 2597 case XPT_GET_TRAN_SETTINGS: 2598 { 2599 struct ccb_trans_settings_scsi *scsi; 2600 struct ccb_trans_settings_fc *fc; 2601 2602 cts = &ccb->cts; 2603 scsi = &cts->proto_specific.scsi; 2604 fc = &cts->xport_specific.fc; 2605 tgt = cts->ccb_h.target_id; 2606 fcp = FCPARAM(isp, bus); 2607 2608 cts->protocol = PROTO_SCSI; 2609 cts->protocol_version = SCSI_REV_2; 2610 cts->transport = XPORT_FC; 2611 cts->transport_version = 0; 2612 2613 scsi->valid = CTS_SCSI_VALID_TQ; 2614 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2615 fc->valid = CTS_FC_VALID_SPEED; 2616 fc->bitrate = fcp->isp_gbspeed * 100000; 2617 if (tgt < MAX_FC_TARG) { 2618 fcportdb_t *lp = &fcp->portdb[tgt]; 2619 fc->wwnn = lp->node_wwn; 2620 fc->wwpn = lp->port_wwn; 2621 fc->port = lp->portid; 2622 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 2623 } 2624 ccb->ccb_h.status = CAM_REQ_CMP; 2625 xpt_done(ccb); 2626 break; 2627 } 2628 case XPT_CALC_GEOMETRY: 2629 cam_calc_geometry(&ccb->ccg, 1); 2630 xpt_done(ccb); 2631 break; 2632 2633 case XPT_RESET_BUS: /* Reset the specified bus */ 2634 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 2635 if (error) { 2636 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2637 xpt_done(ccb); 2638 break; 2639 } 2640 if (bootverbose) { 2641 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 2642 } 2643 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 2644 ccb->ccb_h.status = CAM_REQ_CMP; 2645 xpt_done(ccb); 2646 break; 2647 2648 case XPT_TERM_IO: /* Terminate the I/O process */ 2649 ccb->ccb_h.status = CAM_REQ_INVALID; 2650 xpt_done(ccb); 2651 break; 2652 2653 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 2654 { 2655 struct ccb_sim_knob *kp = &ccb->knob; 2656 fcparam *fcp = FCPARAM(isp, bus); 2657 2658 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 2659 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 2660 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 2661 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 2662 } 2663 ccb->ccb_h.status = CAM_REQ_CMP; 2664 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 2665 int rchange = 0; 2666 int newrole = 0; 2667 2668 switch (kp->xport_specific.fc.role) { 2669 case KNOB_ROLE_NONE: 2670 if (fcp->role != ISP_ROLE_NONE) { 2671 rchange = 1; 2672 newrole = ISP_ROLE_NONE; 2673 } 2674 break; 2675 case KNOB_ROLE_TARGET: 2676 if (fcp->role != ISP_ROLE_TARGET) { 2677 rchange = 1; 2678 newrole = ISP_ROLE_TARGET; 2679 } 2680 break; 2681 case KNOB_ROLE_INITIATOR: 2682 if (fcp->role != ISP_ROLE_INITIATOR) { 2683 rchange = 1; 2684 newrole = ISP_ROLE_INITIATOR; 2685 } 2686 break; 2687 case KNOB_ROLE_BOTH: 2688 if (fcp->role != ISP_ROLE_BOTH) { 2689 rchange = 1; 2690 newrole = ISP_ROLE_BOTH; 2691 } 2692 break; 2693 } 2694 if (rchange) { 2695 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 2696 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 2697 bus, newrole) != 0) { 2698 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2699 xpt_done(ccb); 2700 break; 2701 } 2702 } 2703 } 2704 xpt_done(ccb); 2705 break; 2706 } 2707 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 2708 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 2709 { 2710 struct ccb_sim_knob *kp = &ccb->knob; 2711 fcparam *fcp = FCPARAM(isp, bus); 2712 2713 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 2714 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 2715 switch (fcp->role) { 2716 case ISP_ROLE_NONE: 2717 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 2718 break; 2719 case ISP_ROLE_TARGET: 2720 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 2721 break; 2722 case ISP_ROLE_INITIATOR: 2723 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 2724 break; 2725 case ISP_ROLE_BOTH: 2726 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 2727 break; 2728 } 2729 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 2730 ccb->ccb_h.status = CAM_REQ_CMP; 2731 xpt_done(ccb); 2732 break; 2733 } 2734 case XPT_PATH_INQ: /* Path routing inquiry */ 2735 { 2736 struct ccb_pathinq *cpi = &ccb->cpi; 2737 2738 cpi->version_num = 1; 2739 #ifdef ISP_TARGET_MODE 2740 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 2741 #else 2742 cpi->target_sprt = 0; 2743 #endif 2744 cpi->hba_eng_cnt = 0; 2745 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 2746 cpi->max_lun = 255; 2747 cpi->bus_id = cam_sim_bus(sim); 2748 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 2749 2750 fcp = FCPARAM(isp, bus); 2751 2752 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 2753 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 2754 2755 /* 2756 * Because our loop ID can shift from time to time, 2757 * make our initiator ID out of range of our bus. 2758 */ 2759 cpi->initiator_id = cpi->max_target + 1; 2760 2761 /* 2762 * Set base transfer capabilities for Fibre Channel, for this HBA. 2763 */ 2764 if (IS_25XX(isp)) 2765 cpi->base_transfer_speed = 8000000; 2766 else 2767 cpi->base_transfer_speed = 4000000; 2768 cpi->hba_inquiry = PI_TAG_ABLE; 2769 cpi->transport = XPORT_FC; 2770 cpi->transport_version = 0; 2771 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 2772 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 2773 cpi->xport_specific.fc.port = fcp->isp_portid; 2774 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 2775 cpi->protocol = PROTO_SCSI; 2776 cpi->protocol_version = SCSI_REV_2; 2777 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2778 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 2779 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 2780 cpi->unit_number = cam_sim_unit(sim); 2781 cpi->ccb_h.status = CAM_REQ_CMP; 2782 xpt_done(ccb); 2783 break; 2784 } 2785 default: 2786 ccb->ccb_h.status = CAM_REQ_INVALID; 2787 xpt_done(ccb); 2788 break; 2789 } 2790 } 2791 2792 void 2793 isp_done(XS_T *sccb) 2794 { 2795 ispsoftc_t *isp = XS_ISP(sccb); 2796 uint32_t status; 2797 2798 if (XS_NOERR(sccb)) 2799 XS_SETERR(sccb, CAM_REQ_CMP); 2800 2801 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 2802 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 2803 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 2804 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 2805 } else { 2806 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 2807 } 2808 } 2809 2810 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2811 status = sccb->ccb_h.status & CAM_STATUS_MASK; 2812 if (status != CAM_REQ_CMP && 2813 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 2814 sccb->ccb_h.status |= CAM_DEV_QFRZN; 2815 xpt_freeze_devq(sccb->ccb_h.path, 1); 2816 } 2817 2818 if (ISP_PCMD(sccb)) { 2819 if (callout_active(&PISP_PCMD(sccb)->wdog)) 2820 callout_stop(&PISP_PCMD(sccb)->wdog); 2821 isp_free_pcmd(isp, (union ccb *) sccb); 2822 } 2823 isp_rq_check_below(isp); 2824 xpt_done((union ccb *) sccb); 2825 } 2826 2827 void 2828 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 2829 { 2830 int bus; 2831 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 2832 char buf[64]; 2833 char *msg = NULL; 2834 target_id_t tgt = 0; 2835 fcportdb_t *lp; 2836 struct isp_fc *fc; 2837 struct ac_contract ac; 2838 struct ac_device_changed *adc; 2839 va_list ap; 2840 2841 switch (cmd) { 2842 case ISPASYNC_LOOP_RESET: 2843 { 2844 uint16_t lipp; 2845 fcparam *fcp; 2846 va_start(ap, cmd); 2847 bus = va_arg(ap, int); 2848 va_end(ap); 2849 2850 lipp = ISP_READ(isp, OUTMAILBOX1); 2851 fcp = FCPARAM(isp, bus); 2852 2853 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp); 2854 /* 2855 * Per FCP-4, a Reset LIP should result in a CRN reset. Other 2856 * LIPs and loop up/down events should never reset the CRN. For 2857 * an as of yet unknown reason, 24xx series cards (and 2858 * potentially others) can interrupt with a LIP Reset status 2859 * when no LIP reset came down the wire. Additionally, the LIP 2860 * primitive accompanying this status would not be a valid LIP 2861 * Reset primitive, but some variation of an invalid AL_PA 2862 * LIP. As a result, we have to verify the AL_PD in the LIP 2863 * addresses our port before blindly resetting. 2864 */ 2865 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF))) 2866 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 2867 isp_loop_changed(isp, bus); 2868 break; 2869 } 2870 case ISPASYNC_LIP: 2871 if (msg == NULL) 2872 msg = "LIP Received"; 2873 /* FALLTHROUGH */ 2874 case ISPASYNC_LOOP_DOWN: 2875 if (msg == NULL) 2876 msg = "LOOP Down"; 2877 /* FALLTHROUGH */ 2878 case ISPASYNC_LOOP_UP: 2879 if (msg == NULL) 2880 msg = "LOOP Up"; 2881 va_start(ap, cmd); 2882 bus = va_arg(ap, int); 2883 va_end(ap); 2884 isp_loop_changed(isp, bus); 2885 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 2886 break; 2887 case ISPASYNC_DEV_ARRIVED: 2888 va_start(ap, cmd); 2889 bus = va_arg(ap, int); 2890 lp = va_arg(ap, fcportdb_t *); 2891 va_end(ap); 2892 fc = ISP_FC_PC(isp, bus); 2893 tgt = FC_PORTDB_TGT(isp, bus, lp); 2894 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 2895 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 2896 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 2897 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 2898 lp->is_target = 1; 2899 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2900 isp_make_here(isp, lp, bus, tgt); 2901 } 2902 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 2903 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 2904 lp->is_initiator = 1; 2905 ac.contract_number = AC_CONTRACT_DEV_CHG; 2906 adc = (struct ac_device_changed *) ac.contract_data; 2907 adc->wwpn = lp->port_wwn; 2908 adc->port = lp->portid; 2909 adc->target = tgt; 2910 adc->arrived = 1; 2911 xpt_async(AC_CONTRACT, fc->path, &ac); 2912 } 2913 break; 2914 case ISPASYNC_DEV_CHANGED: 2915 case ISPASYNC_DEV_STAYED: 2916 { 2917 int crn_reset_done; 2918 2919 crn_reset_done = 0; 2920 va_start(ap, cmd); 2921 bus = va_arg(ap, int); 2922 lp = va_arg(ap, fcportdb_t *); 2923 va_end(ap); 2924 fc = ISP_FC_PC(isp, bus); 2925 tgt = FC_PORTDB_TGT(isp, bus, lp); 2926 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 2927 if (cmd == ISPASYNC_DEV_CHANGED) 2928 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 2929 else 2930 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 2931 2932 if (lp->is_target != 2933 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 2934 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 2935 lp->is_target = !lp->is_target; 2936 if (lp->is_target) { 2937 if (cmd == ISPASYNC_DEV_CHANGED) { 2938 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2939 crn_reset_done = 1; 2940 } 2941 isp_make_here(isp, lp, bus, tgt); 2942 } else { 2943 isp_make_gone(isp, lp, bus, tgt); 2944 if (cmd == ISPASYNC_DEV_CHANGED) { 2945 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2946 crn_reset_done = 1; 2947 } 2948 } 2949 } 2950 if (lp->is_initiator != 2951 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 2952 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 2953 lp->is_initiator = !lp->is_initiator; 2954 ac.contract_number = AC_CONTRACT_DEV_CHG; 2955 adc = (struct ac_device_changed *) ac.contract_data; 2956 adc->wwpn = lp->port_wwn; 2957 adc->port = lp->portid; 2958 adc->target = tgt; 2959 adc->arrived = lp->is_initiator; 2960 xpt_async(AC_CONTRACT, fc->path, &ac); 2961 } 2962 2963 if ((cmd == ISPASYNC_DEV_CHANGED) && 2964 (crn_reset_done == 0)) 2965 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2966 2967 break; 2968 } 2969 case ISPASYNC_DEV_GONE: 2970 va_start(ap, cmd); 2971 bus = va_arg(ap, int); 2972 lp = va_arg(ap, fcportdb_t *); 2973 va_end(ap); 2974 fc = ISP_FC_PC(isp, bus); 2975 tgt = FC_PORTDB_TGT(isp, bus, lp); 2976 /* 2977 * If this has a virtual target or initiator set the isp_gdt 2978 * timer running on it to delay its departure. 2979 */ 2980 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 2981 if (lp->is_target || lp->is_initiator) { 2982 lp->state = FC_PORTDB_STATE_ZOMBIE; 2983 lp->gone_timer = fc->gone_device_time; 2984 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 2985 if (fc->ready && !callout_active(&fc->gdt)) { 2986 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); 2987 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2988 } 2989 break; 2990 } 2991 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 2992 break; 2993 case ISPASYNC_CHANGE_NOTIFY: 2994 { 2995 char *msg; 2996 int evt, nphdl, nlstate, portid, reason; 2997 2998 va_start(ap, cmd); 2999 bus = va_arg(ap, int); 3000 evt = va_arg(ap, int); 3001 if (evt == ISPASYNC_CHANGE_PDB) { 3002 nphdl = va_arg(ap, int); 3003 nlstate = va_arg(ap, int); 3004 reason = va_arg(ap, int); 3005 } else if (evt == ISPASYNC_CHANGE_SNS) { 3006 portid = va_arg(ap, int); 3007 } else { 3008 nphdl = NIL_HANDLE; 3009 nlstate = reason = 0; 3010 } 3011 va_end(ap); 3012 3013 if (evt == ISPASYNC_CHANGE_PDB) { 3014 int tgt_set = 0; 3015 msg = "Port Database Changed"; 3016 isp_prt(isp, ISP_LOGINFO, 3017 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3018 bus, msg, nphdl, nlstate, reason); 3019 /* 3020 * Port database syncs are not sufficient for 3021 * determining that logins or logouts are done on the 3022 * loop, but this information is directly available from 3023 * the reason code from the incoming mbox. We must reset 3024 * the fcp crn on these events according to FCP-4 3025 */ 3026 switch (reason) { 3027 case PDB24XX_AE_IMPL_LOGO_1: 3028 case PDB24XX_AE_IMPL_LOGO_2: 3029 case PDB24XX_AE_IMPL_LOGO_3: 3030 case PDB24XX_AE_PLOGI_RCVD: 3031 case PDB24XX_AE_PRLI_RCVD: 3032 case PDB24XX_AE_PRLO_RCVD: 3033 case PDB24XX_AE_LOGO_RCVD: 3034 case PDB24XX_AE_PLOGI_DONE: 3035 case PDB24XX_AE_PRLI_DONE: 3036 /* 3037 * If the event is not global, twiddle tgt and 3038 * tgt_set to nominate only the target 3039 * associated with the nphdl. 3040 */ 3041 if (nphdl != PDB24XX_AE_GLOBAL) { 3042 /* Break if we don't yet have the pdb */ 3043 if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp)) 3044 break; 3045 tgt = FC_PORTDB_TGT(isp, bus, lp); 3046 tgt_set = 1; 3047 } 3048 isp_fcp_reset_crn(isp, bus, tgt, tgt_set); 3049 break; 3050 default: 3051 break; /* NOP */ 3052 } 3053 } else if (evt == ISPASYNC_CHANGE_SNS) { 3054 msg = "Name Server Database Changed"; 3055 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3056 bus, msg, portid); 3057 } else { 3058 msg = "Other Change Notify"; 3059 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3060 } 3061 isp_loop_changed(isp, bus); 3062 break; 3063 } 3064 #ifdef ISP_TARGET_MODE 3065 case ISPASYNC_TARGET_NOTIFY: 3066 { 3067 isp_notify_t *notify; 3068 va_start(ap, cmd); 3069 notify = va_arg(ap, isp_notify_t *); 3070 va_end(ap); 3071 switch (notify->nt_ncode) { 3072 case NT_ABORT_TASK: 3073 case NT_ABORT_TASK_SET: 3074 case NT_CLEAR_ACA: 3075 case NT_CLEAR_TASK_SET: 3076 case NT_LUN_RESET: 3077 case NT_TARGET_RESET: 3078 case NT_QUERY_TASK_SET: 3079 case NT_QUERY_ASYNC_EVENT: 3080 /* 3081 * These are task management functions. 3082 */ 3083 isp_handle_platform_target_tmf(isp, notify); 3084 break; 3085 case NT_LIP_RESET: 3086 case NT_LINK_UP: 3087 case NT_LINK_DOWN: 3088 case NT_HBA_RESET: 3089 /* 3090 * No action need be taken here. 3091 */ 3092 break; 3093 case NT_SRR: 3094 isp_handle_platform_srr(isp, notify); 3095 break; 3096 default: 3097 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3098 isp_handle_platform_target_notify_ack(isp, notify, 0); 3099 break; 3100 } 3101 break; 3102 } 3103 case ISPASYNC_TARGET_NOTIFY_ACK: 3104 { 3105 void *inot; 3106 va_start(ap, cmd); 3107 inot = va_arg(ap, void *); 3108 va_end(ap); 3109 if (isp_notify_ack(isp, inot)) { 3110 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3111 if (tp) { 3112 tp->isp = isp; 3113 memcpy(tp->data, inot, sizeof (tp->data)); 3114 tp->not = tp->data; 3115 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3116 callout_reset(&tp->timer, 5, 3117 isp_refire_notify_ack, tp); 3118 } else { 3119 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3120 } 3121 } 3122 break; 3123 } 3124 case ISPASYNC_TARGET_ACTION: 3125 { 3126 isphdr_t *hp; 3127 3128 va_start(ap, cmd); 3129 hp = va_arg(ap, isphdr_t *); 3130 va_end(ap); 3131 switch (hp->rqs_entry_type) { 3132 case RQSTYPE_ATIO: 3133 isp_handle_platform_atio7(isp, (at7_entry_t *)hp); 3134 break; 3135 case RQSTYPE_CTIO7: 3136 isp_handle_platform_ctio(isp, (ct7_entry_t *)hp); 3137 break; 3138 default: 3139 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3140 __func__, hp->rqs_entry_type); 3141 break; 3142 } 3143 break; 3144 } 3145 #endif 3146 case ISPASYNC_FW_CRASH: 3147 { 3148 uint16_t mbox1; 3149 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3150 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error @ RISC Address 0x%x", mbox1); 3151 #if 0 3152 isp_reinit(isp, 1); 3153 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 3154 #endif 3155 break; 3156 } 3157 default: 3158 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 3159 break; 3160 } 3161 } 3162 3163 uint64_t 3164 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 3165 { 3166 uint64_t seed; 3167 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3168 3169 /* First try to use explicitly configured WWNs. */ 3170 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 3171 if (seed) 3172 return (seed); 3173 3174 /* Otherwise try to use WWNs from NVRAM. */ 3175 if (isactive) { 3176 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 3177 FCPARAM(isp, chan)->isp_wwpn_nvram; 3178 if (seed) 3179 return (seed); 3180 } 3181 3182 /* If still no WWNs, try to steal them from the first channel. */ 3183 if (chan > 0) { 3184 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 3185 ISP_FC_PC(isp, 0)->def_wwpn; 3186 if (seed == 0) { 3187 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 3188 FCPARAM(isp, 0)->isp_wwpn_nvram; 3189 } 3190 } 3191 3192 /* If still nothing -- improvise. */ 3193 if (seed == 0) { 3194 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 3195 if (!iswwnn) 3196 seed ^= 0x0100000000000000ULL; 3197 } 3198 3199 /* For additional channels we have to improvise even more. */ 3200 if (!iswwnn && chan > 0) { 3201 /* 3202 * We'll stick our channel number plus one first into bits 3203 * 57..59 and thence into bits 52..55 which allows for 8 bits 3204 * of channel which is enough for our maximum of 255 channels. 3205 */ 3206 seed ^= 0x0100000000000000ULL; 3207 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 3208 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 3209 } 3210 return (seed); 3211 } 3212 3213 void 3214 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 3215 { 3216 int loc; 3217 char lbuf[200]; 3218 va_list ap; 3219 3220 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3221 return; 3222 } 3223 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 3224 loc = strlen(lbuf); 3225 va_start(ap, fmt); 3226 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 3227 va_end(ap); 3228 printf("%s\n", lbuf); 3229 } 3230 3231 void 3232 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 3233 { 3234 va_list ap; 3235 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3236 return; 3237 } 3238 xpt_print_path(xs->ccb_h.path); 3239 va_start(ap, fmt); 3240 vprintf(fmt, ap); 3241 va_end(ap); 3242 printf("\n"); 3243 } 3244 3245 uint64_t 3246 isp_nanotime_sub(struct timespec *b, struct timespec *a) 3247 { 3248 uint64_t elapsed; 3249 struct timespec x; 3250 3251 timespecsub(b, a, &x); 3252 elapsed = GET_NANOSEC(&x); 3253 if (elapsed == 0) 3254 elapsed++; 3255 return (elapsed); 3256 } 3257 3258 int 3259 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 3260 { 3261 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3262 3263 if (fc->fcbsy) 3264 return (-1); 3265 fc->fcbsy = 1; 3266 return (0); 3267 } 3268 3269 void 3270 isp_platform_intr(void *arg) 3271 { 3272 ispsoftc_t *isp = arg; 3273 3274 ISP_LOCK(isp); 3275 ISP_RUN_ISR(isp); 3276 ISP_UNLOCK(isp); 3277 } 3278 3279 void 3280 isp_platform_intr_resp(void *arg) 3281 { 3282 ispsoftc_t *isp = arg; 3283 3284 ISP_LOCK(isp); 3285 isp_intr_respq(isp); 3286 ISP_UNLOCK(isp); 3287 3288 /* We have handshake enabled, so explicitly complete interrupt */ 3289 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 3290 } 3291 3292 void 3293 isp_platform_intr_atio(void *arg) 3294 { 3295 ispsoftc_t *isp = arg; 3296 3297 ISP_LOCK(isp); 3298 #ifdef ISP_TARGET_MODE 3299 isp_intr_atioq(isp); 3300 #endif 3301 ISP_UNLOCK(isp); 3302 3303 /* We have handshake enabled, so explicitly complete interrupt */ 3304 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 3305 } 3306 3307 typedef struct { 3308 ispsoftc_t *isp; 3309 struct ccb_scsiio *csio; 3310 void *qe; 3311 int error; 3312 } mush_t; 3313 3314 static void 3315 isp_dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 3316 { 3317 mush_t *mp = (mush_t *) arg; 3318 ispsoftc_t *isp= mp->isp; 3319 struct ccb_scsiio *csio = mp->csio; 3320 bus_dmasync_op_t op; 3321 3322 if (error) { 3323 mp->error = error; 3324 return; 3325 } 3326 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ 3327 ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) 3328 op = BUS_DMASYNC_PREREAD; 3329 else 3330 op = BUS_DMASYNC_PREWRITE; 3331 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op); 3332 3333 mp->error = ISP_SEND_CMD(isp, mp->qe, dm_segs, nseg); 3334 if (mp->error) 3335 isp_dmafree(isp, csio); 3336 } 3337 3338 int 3339 isp_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *qe) 3340 { 3341 mush_t mp; 3342 int error; 3343 3344 if (XS_XFRLEN(csio)) { 3345 mp.isp = isp; 3346 mp.csio = csio; 3347 mp.qe = qe; 3348 mp.error = 0; 3349 error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, 3350 (union ccb *)csio, isp_dma2, &mp, BUS_DMA_NOWAIT); 3351 if (error == 0) 3352 error = mp.error; 3353 } else { 3354 error = ISP_SEND_CMD(isp, qe, NULL, 0); 3355 } 3356 switch (error) { 3357 case 0: 3358 case CMD_COMPLETE: 3359 case CMD_EAGAIN: 3360 case CMD_RQLATER: 3361 break; 3362 case ENOMEM: 3363 error = CMD_EAGAIN; 3364 break; 3365 case EINVAL: 3366 case EFBIG: 3367 csio->ccb_h.status = CAM_REQ_INVALID; 3368 error = CMD_COMPLETE; 3369 break; 3370 default: 3371 csio->ccb_h.status = CAM_UNREC_HBA_ERROR; 3372 error = CMD_COMPLETE; 3373 break; 3374 } 3375 return (error); 3376 } 3377 3378 void 3379 isp_dmafree(ispsoftc_t *isp, struct ccb_scsiio *csio) 3380 { 3381 bus_dmasync_op_t op; 3382 3383 if (XS_XFRLEN(csio) == 0) 3384 return; 3385 3386 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ 3387 ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) 3388 op = BUS_DMASYNC_POSTREAD; 3389 else 3390 op = BUS_DMASYNC_POSTWRITE; 3391 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op); 3392 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 3393 } 3394 3395 /* 3396 * Reset the command reference number for all LUNs on a specific target 3397 * (needed when a target arrives again) or for all targets on a port 3398 * (needed for events like a LIP). 3399 */ 3400 void 3401 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 3402 { 3403 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3404 struct isp_nexus *nxp; 3405 int i; 3406 3407 if (tgt_set == 0) 3408 isp_prt(isp, ISP_LOGDEBUG0, 3409 "Chan %d resetting CRN on all targets", chan); 3410 else 3411 isp_prt(isp, ISP_LOGDEBUG0, 3412 "Chan %d resetting CRN on target %u", chan, tgt); 3413 3414 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 3415 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 3416 if (tgt_set == 0 || tgt == nxp->tgt) 3417 nxp->crnseed = 0; 3418 } 3419 } 3420 } 3421 3422 int 3423 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 3424 { 3425 lun_id_t lun; 3426 uint32_t chan, tgt; 3427 struct isp_fc *fc; 3428 struct isp_nexus *nxp; 3429 int idx; 3430 3431 chan = XS_CHANNEL(cmd); 3432 tgt = XS_TGT(cmd); 3433 lun = XS_LUN(cmd); 3434 fc = ISP_FC_PC(isp, chan); 3435 idx = NEXUS_HASH(tgt, lun); 3436 nxp = fc->nexus_hash[idx]; 3437 3438 while (nxp) { 3439 if (nxp->tgt == tgt && nxp->lun == lun) 3440 break; 3441 nxp = nxp->next; 3442 } 3443 if (nxp == NULL) { 3444 nxp = fc->nexus_free_list; 3445 if (nxp == NULL) { 3446 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 3447 if (nxp == NULL) { 3448 return (-1); 3449 } 3450 } else { 3451 fc->nexus_free_list = nxp->next; 3452 } 3453 nxp->tgt = tgt; 3454 nxp->lun = lun; 3455 nxp->next = fc->nexus_hash[idx]; 3456 fc->nexus_hash[idx] = nxp; 3457 } 3458 if (nxp->crnseed == 0) 3459 nxp->crnseed = 1; 3460 *crnp = nxp->crnseed++; 3461 return (0); 3462 } 3463 3464 /* 3465 * We enter with the lock held 3466 */ 3467 void 3468 isp_timer(void *arg) 3469 { 3470 ispsoftc_t *isp = arg; 3471 #ifdef ISP_TARGET_MODE 3472 isp_tmcmd_restart(isp); 3473 #endif 3474 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 3475 } 3476 3477 #ifdef ISP_TARGET_MODE 3478 isp_ecmd_t * 3479 isp_get_ecmd(ispsoftc_t *isp) 3480 { 3481 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 3482 if (ecmd) { 3483 isp->isp_osinfo.ecmd_free = ecmd->next; 3484 } 3485 return (ecmd); 3486 } 3487 3488 void 3489 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 3490 { 3491 ecmd->next = isp->isp_osinfo.ecmd_free; 3492 isp->isp_osinfo.ecmd_free = ecmd; 3493 } 3494 #endif
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