1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009-2020 Alexander Motin <mav@FreeBSD.org> 5 * Copyright (c) 1997-2009 by Matthew Jacob 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters. 32 */ 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <dev/isp/isp_freebsd.h> 37 #include <sys/unistd.h> 38 #include <sys/kthread.h> 39 #include <sys/conf.h> 40 #include <sys/module.h> 41 #include <sys/ioccom.h> 42 #include <dev/isp/isp_ioctl.h> 43 #include <sys/devicestat.h> 44 #include <cam/cam_periph.h> 45 #include <cam/cam_xpt_periph.h> 46 47 MODULE_VERSION(isp, 1); 48 MODULE_DEPEND(isp, cam, 1, 1, 1); 49 int isp_announced = 0; 50 int isp_loop_down_limit = 60; /* default loop down limit */ 51 int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */ 52 int isp_gone_device_time = 30; /* grace time before reporting device lost */ 53 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 54 55 static void isp_freeze_loopdown(ispsoftc_t *, int); 56 static void isp_loop_changed(ispsoftc_t *isp, int chan); 57 static void isp_rq_check_above(ispsoftc_t *); 58 static void isp_rq_check_below(ispsoftc_t *); 59 static d_ioctl_t ispioctl; 60 static void isp_poll(struct cam_sim *); 61 static callout_func_t isp_watchdog; 62 static callout_func_t isp_gdt; 63 static task_fn_t isp_gdt_task; 64 static void isp_kthread(void *); 65 static void isp_action(struct cam_sim *, union ccb *); 66 static int isp_timer_count; 67 static void isp_timer(void *); 68 69 static struct cdevsw isp_cdevsw = { 70 .d_version = D_VERSION, 71 .d_ioctl = ispioctl, 72 .d_name = "isp", 73 }; 74 75 static int 76 isp_role_sysctl(SYSCTL_HANDLER_ARGS) 77 { 78 ispsoftc_t *isp = (ispsoftc_t *)arg1; 79 int chan = arg2; 80 int error, old, value; 81 82 value = FCPARAM(isp, chan)->role; 83 84 error = sysctl_handle_int(oidp, &value, 0, req); 85 if ((error != 0) || (req->newptr == NULL)) 86 return (error); 87 88 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 89 return (EINVAL); 90 91 ISP_LOCK(isp); 92 old = FCPARAM(isp, chan)->role; 93 94 /* We don't allow target mode switch from here. */ 95 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 96 97 /* If nothing has changed -- we are done. */ 98 if (value == old) { 99 ISP_UNLOCK(isp); 100 return (0); 101 } 102 103 /* Actually change the role. */ 104 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 105 ISP_UNLOCK(isp); 106 return (error); 107 } 108 109 static int 110 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 111 { 112 fcparam *fcp = FCPARAM(isp, chan); 113 struct isp_fc *fc = ISP_FC_PC(isp, chan); 114 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 115 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 116 char name[16]; 117 struct cam_sim *sim; 118 struct cam_path *path; 119 #ifdef ISP_TARGET_MODE 120 int i; 121 #endif 122 123 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 124 device_get_unit(isp->isp_dev), &isp->isp_lock, 125 isp->isp_maxcmds, isp->isp_maxcmds, devq); 126 if (sim == NULL) 127 return (ENOMEM); 128 129 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 130 cam_sim_free(sim, FALSE); 131 return (EIO); 132 } 133 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 134 xpt_bus_deregister(cam_sim_path(sim)); 135 cam_sim_free(sim, FALSE); 136 return (ENXIO); 137 } 138 139 ISP_LOCK(isp); 140 fc->sim = sim; 141 fc->path = path; 142 fc->isp = isp; 143 fc->ready = 1; 144 fcp->isp_use_gft_id = 1; 145 fcp->isp_use_gff_id = 1; 146 147 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0); 148 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 149 #ifdef ISP_TARGET_MODE 150 TAILQ_INIT(&fc->waitq); 151 STAILQ_INIT(&fc->ntfree); 152 for (i = 0; i < ATPDPSIZE; i++) 153 STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next); 154 LIST_INIT(&fc->atfree); 155 for (i = ATPDPSIZE-1; i >= 0; i--) 156 LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next); 157 for (i = 0; i < ATPDPHASHSIZE; i++) 158 LIST_INIT(&fc->atused[i]); 159 #endif 160 isp_loop_changed(isp, chan); 161 ISP_UNLOCK(isp); 162 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0, 163 "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 164 xpt_free_path(fc->path); 165 xpt_bus_deregister(cam_sim_path(fc->sim)); 166 cam_sim_free(fc->sim, FALSE); 167 return (ENOMEM); 168 } 169 fc->num_threads += 1; 170 if (chan > 0) { 171 snprintf(name, sizeof(name), "chan%d", chan); 172 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 173 OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 174 "Virtual channel"); 175 } 176 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 177 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 178 "World Wide Node Name"); 179 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 180 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 181 "World Wide Port Name"); 182 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 183 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 184 "Loop Down Limit"); 185 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 186 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 187 "Gone Device Time"); 188 #if defined(ISP_TARGET_MODE) && defined(DEBUG) 189 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 190 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 191 "Cause a Lost Frame on a Read"); 192 #endif 193 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 194 "role", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 195 isp, chan, isp_role_sysctl, "I", "Current role"); 196 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 197 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 198 "Connection speed in gigabits"); 199 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 200 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 201 "Link state"); 202 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 203 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 204 "Firmware state"); 205 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 206 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 207 "Loop state"); 208 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 209 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 210 "Connection topology"); 211 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 212 "use_gft_id", CTLFLAG_RWTUN, &fcp->isp_use_gft_id, 0, 213 "Use GFT_ID during fabric scan"); 214 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 215 "use_gff_id", CTLFLAG_RWTUN, &fcp->isp_use_gff_id, 0, 216 "Use GFF_ID during fabric scan"); 217 return (0); 218 } 219 220 static void 221 isp_detach_chan(ispsoftc_t *isp, int chan) 222 { 223 struct isp_fc *fc = ISP_FC_PC(isp, chan); 224 225 xpt_free_path(fc->path); 226 xpt_bus_deregister(cam_sim_path(fc->sim)); 227 cam_sim_free(fc->sim, FALSE); 228 229 /* Wait for the channel's spawned threads to exit. */ 230 wakeup(fc); 231 while (fc->num_threads != 0) 232 mtx_sleep(&fc->num_threads, &isp->isp_lock, PRIBIO, "isp_reap", 0); 233 } 234 235 int 236 isp_attach(ispsoftc_t *isp) 237 { 238 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 239 int du = device_get_unit(isp->isp_dev); 240 int chan; 241 242 /* 243 * Create the device queue for our SIM(s). 244 */ 245 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 246 if (isp->isp_osinfo.devq == NULL) { 247 return (EIO); 248 } 249 250 for (chan = 0; chan < isp->isp_nchan; chan++) { 251 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 252 goto unwind; 253 } 254 } 255 256 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0); 257 isp_timer_count = hz >> 2; 258 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 259 260 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 261 if (isp->isp_osinfo.cdev) { 262 isp->isp_osinfo.cdev->si_drv1 = isp; 263 } 264 return (0); 265 266 unwind: 267 ISP_LOCK(isp); 268 isp->isp_osinfo.is_exiting = 1; 269 while (--chan >= 0) 270 isp_detach_chan(isp, chan); 271 ISP_UNLOCK(isp); 272 cam_simq_free(isp->isp_osinfo.devq); 273 isp->isp_osinfo.devq = NULL; 274 return (-1); 275 } 276 277 int 278 isp_detach(ispsoftc_t *isp) 279 { 280 int chan; 281 282 if (isp->isp_osinfo.cdev) { 283 destroy_dev(isp->isp_osinfo.cdev); 284 isp->isp_osinfo.cdev = NULL; 285 } 286 ISP_LOCK(isp); 287 /* Tell spawned threads that we're exiting. */ 288 isp->isp_osinfo.is_exiting = 1; 289 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 290 isp_detach_chan(isp, chan); 291 ISP_UNLOCK(isp); 292 callout_drain(&isp->isp_osinfo.tmo); 293 cam_simq_free(isp->isp_osinfo.devq); 294 return (0); 295 } 296 297 static void 298 isp_freeze_loopdown(ispsoftc_t *isp, int chan) 299 { 300 struct isp_fc *fc = ISP_FC_PC(isp, chan); 301 302 if (fc->sim == NULL) 303 return; 304 if (fc->simqfrozen == 0) { 305 isp_prt(isp, ISP_LOGDEBUG0, 306 "Chan %d Freeze simq (loopdown)", chan); 307 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 308 xpt_hold_boot(); 309 xpt_freeze_simq(fc->sim, 1); 310 } else { 311 isp_prt(isp, ISP_LOGDEBUG0, 312 "Chan %d Mark simq frozen (loopdown)", chan); 313 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 314 } 315 } 316 317 static void 318 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 319 { 320 struct isp_fc *fc = ISP_FC_PC(isp, chan); 321 322 if (fc->sim == NULL) 323 return; 324 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 325 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 326 if (wasfrozen && fc->simqfrozen == 0) { 327 isp_prt(isp, ISP_LOGDEBUG0, 328 "Chan %d Release simq", chan); 329 xpt_release_simq(fc->sim, 1); 330 xpt_release_boot(); 331 } 332 } 333 334 /* 335 * Functions to protect from request queue overflow by freezing SIM queue. 336 * XXX: freezing only one arbitrary SIM, since they all share the queue. 337 */ 338 static void 339 isp_rq_check_above(ispsoftc_t *isp) 340 { 341 struct isp_fc *fc = ISP_FC_PC(isp, 0); 342 343 if (isp->isp_rqovf || fc->sim == NULL) 344 return; 345 if (!isp_rqentry_avail(isp, QENTRY_MAX)) { 346 xpt_freeze_simq(fc->sim, 1); 347 isp->isp_rqovf = 1; 348 } 349 } 350 351 static void 352 isp_rq_check_below(ispsoftc_t *isp) 353 { 354 struct isp_fc *fc = ISP_FC_PC(isp, 0); 355 356 if (!isp->isp_rqovf || fc->sim == NULL) 357 return; 358 if (isp_rqentry_avail(isp, QENTRY_MAX)) { 359 xpt_release_simq(fc->sim, 0); 360 isp->isp_rqovf = 0; 361 } 362 } 363 364 static int 365 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 366 { 367 ispsoftc_t *isp; 368 int nr, chan, retval = ENOTTY; 369 370 isp = dev->si_drv1; 371 372 switch (c) { 373 case ISP_SDBLEV: 374 { 375 int olddblev = isp->isp_dblev; 376 isp->isp_dblev = *(int *)addr; 377 *(int *)addr = olddblev; 378 retval = 0; 379 break; 380 } 381 case ISP_GETROLE: 382 chan = *(int *)addr; 383 if (chan < 0 || chan >= isp->isp_nchan) { 384 retval = -ENXIO; 385 break; 386 } 387 *(int *)addr = FCPARAM(isp, chan)->role; 388 retval = 0; 389 break; 390 case ISP_SETROLE: 391 nr = *(int *)addr; 392 chan = nr >> 8; 393 if (chan < 0 || chan >= isp->isp_nchan) { 394 retval = -ENXIO; 395 break; 396 } 397 nr &= 0xff; 398 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 399 retval = EINVAL; 400 break; 401 } 402 ISP_LOCK(isp); 403 *(int *)addr = FCPARAM(isp, chan)->role; 404 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 405 ISP_UNLOCK(isp); 406 retval = 0; 407 break; 408 409 case ISP_RESETHBA: 410 ISP_LOCK(isp); 411 isp_reinit(isp, 0); 412 ISP_UNLOCK(isp); 413 retval = 0; 414 break; 415 416 case ISP_RESCAN: 417 chan = *(intptr_t *)addr; 418 if (chan < 0 || chan >= isp->isp_nchan) { 419 retval = -ENXIO; 420 break; 421 } 422 ISP_LOCK(isp); 423 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 424 retval = EIO; 425 } else { 426 retval = 0; 427 } 428 ISP_UNLOCK(isp); 429 break; 430 431 case ISP_FC_LIP: 432 chan = *(intptr_t *)addr; 433 if (chan < 0 || chan >= isp->isp_nchan) { 434 retval = -ENXIO; 435 break; 436 } 437 ISP_LOCK(isp); 438 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 439 retval = EIO; 440 } else { 441 retval = 0; 442 } 443 ISP_UNLOCK(isp); 444 break; 445 case ISP_FC_GETDINFO: 446 { 447 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 448 fcportdb_t *lp; 449 450 if (ifc->loopid >= MAX_FC_TARG) { 451 retval = EINVAL; 452 break; 453 } 454 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 455 if (lp->state != FC_PORTDB_STATE_NIL) { 456 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 457 ifc->loopid = lp->handle; 458 ifc->portid = lp->portid; 459 ifc->node_wwn = lp->node_wwn; 460 ifc->port_wwn = lp->port_wwn; 461 retval = 0; 462 } else { 463 retval = ENODEV; 464 } 465 break; 466 } 467 case ISP_FC_GETHINFO: 468 { 469 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 470 int chan = hba->fc_channel; 471 472 if (chan < 0 || chan >= isp->isp_nchan) { 473 retval = ENXIO; 474 break; 475 } 476 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 477 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 478 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 479 hba->fc_nchannels = isp->isp_nchan; 480 hba->fc_nports = MAX_FC_TARG; 481 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 482 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 483 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 484 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 485 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 486 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 487 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 488 retval = 0; 489 break; 490 } 491 case ISP_TSK_MGMT: 492 { 493 int needmarker; 494 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 495 uint16_t nphdl; 496 void *reqp; 497 uint8_t resp[QENTRY_LEN]; 498 isp24xx_tmf_t tmf; 499 isp24xx_statusreq_t sp; 500 fcparam *fcp; 501 fcportdb_t *lp; 502 int i; 503 504 chan = fct->chan; 505 if (chan < 0 || chan >= isp->isp_nchan) { 506 retval = -ENXIO; 507 break; 508 } 509 510 needmarker = retval = 0; 511 nphdl = fct->loopid; 512 ISP_LOCK(isp); 513 fcp = FCPARAM(isp, chan); 514 515 for (i = 0; i < MAX_FC_TARG; i++) { 516 lp = &fcp->portdb[i]; 517 if (lp->handle == nphdl) { 518 break; 519 } 520 } 521 if (i == MAX_FC_TARG) { 522 retval = ENXIO; 523 ISP_UNLOCK(isp); 524 break; 525 } 526 ISP_MEMZERO(&tmf, sizeof(tmf)); 527 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 528 tmf.tmf_header.rqs_entry_count = 1; 529 tmf.tmf_nphdl = lp->handle; 530 tmf.tmf_delay = 2; 531 tmf.tmf_timeout = 4; 532 tmf.tmf_tidlo = lp->portid; 533 tmf.tmf_tidhi = lp->portid >> 16; 534 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 535 tmf.tmf_lun[1] = fct->lun & 0xff; 536 if (fct->lun >= 256) { 537 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 538 } 539 switch (fct->action) { 540 case IPT_CLEAR_ACA: 541 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 542 break; 543 case IPT_TARGET_RESET: 544 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 545 needmarker = 1; 546 break; 547 case IPT_LUN_RESET: 548 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 549 needmarker = 1; 550 break; 551 case IPT_CLEAR_TASK_SET: 552 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 553 needmarker = 1; 554 break; 555 case IPT_ABORT_TASK_SET: 556 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 557 needmarker = 1; 558 break; 559 default: 560 retval = EINVAL; 561 break; 562 } 563 if (retval) { 564 ISP_UNLOCK(isp); 565 break; 566 } 567 568 /* Prepare space for response in memory */ 569 memset(resp, 0xff, sizeof(resp)); 570 tmf.tmf_handle = isp_allocate_handle(isp, resp, 571 ISP_HANDLE_CTRL); 572 if (tmf.tmf_handle == 0) { 573 isp_prt(isp, ISP_LOGERR, 574 "%s: TMF of Chan %d out of handles", 575 __func__, chan); 576 ISP_UNLOCK(isp); 577 retval = ENOMEM; 578 break; 579 } 580 581 /* Send request and wait for response. */ 582 reqp = isp_getrqentry(isp); 583 if (reqp == NULL) { 584 isp_prt(isp, ISP_LOGERR, 585 "%s: TMF of Chan %d out of rqent", 586 __func__, chan); 587 isp_destroy_handle(isp, tmf.tmf_handle); 588 ISP_UNLOCK(isp); 589 retval = EIO; 590 break; 591 } 592 isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp); 593 if (isp->isp_dblev & ISP_LOGDEBUG1) 594 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp); 595 ISP_SYNC_REQUEST(isp); 596 if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) { 597 isp_prt(isp, ISP_LOGERR, 598 "%s: TMF of Chan %d timed out", 599 __func__, chan); 600 isp_destroy_handle(isp, tmf.tmf_handle); 601 ISP_UNLOCK(isp); 602 retval = EIO; 603 break; 604 } 605 if (isp->isp_dblev & ISP_LOGDEBUG1) 606 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp); 607 isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp); 608 609 if (sp.req_completion_status != 0) 610 retval = EIO; 611 else if (needmarker) 612 fcp->sendmarker = 1; 613 ISP_UNLOCK(isp); 614 break; 615 } 616 default: 617 break; 618 } 619 return (retval); 620 } 621 622 /* 623 * Local Inlines 624 */ 625 626 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 627 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 628 629 static ISP_INLINE int 630 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 631 { 632 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 633 if (ISP_PCMD(ccb) == NULL) { 634 return (-1); 635 } 636 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 637 return (0); 638 } 639 640 static ISP_INLINE void 641 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 642 { 643 if (ISP_PCMD(ccb)) { 644 #ifdef ISP_TARGET_MODE 645 PISP_PCMD(ccb)->datalen = 0; 646 #endif 647 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 648 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 649 ISP_PCMD(ccb) = NULL; 650 } 651 } 652 653 /* 654 * Put the target mode functions here, because some are inlines 655 */ 656 #ifdef ISP_TARGET_MODE 657 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 658 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 659 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 660 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 661 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 662 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 663 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 664 static tstate_t *create_lun_state(ispsoftc_t *, int, struct cam_path *); 665 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 666 static void isp_enable_lun(ispsoftc_t *, union ccb *); 667 static void isp_disable_lun(ispsoftc_t *, union ccb *); 668 static callout_func_t isp_refire_notify_ack; 669 static void isp_complete_ctio(ispsoftc_t *isp, union ccb *); 670 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 671 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 672 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 673 static void isp_handle_platform_ctio(ispsoftc_t *, ct7_entry_t *); 674 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 675 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 676 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 677 678 static ISP_INLINE tstate_t * 679 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 680 { 681 struct isp_fc *fc = ISP_FC_PC(isp, bus); 682 tstate_t *tptr; 683 684 SLIST_FOREACH(tptr, &fc->lun_hash[LUN_HASH_FUNC(lun)], next) { 685 if (tptr->ts_lun == lun) 686 return (tptr); 687 } 688 return (NULL); 689 } 690 691 static int 692 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 693 { 694 inot_private_data_t *ntp; 695 struct ntpdlist rq; 696 697 if (STAILQ_EMPTY(&tptr->restart_queue)) 698 return (0); 699 STAILQ_INIT(&rq); 700 STAILQ_CONCAT(&rq, &tptr->restart_queue); 701 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 702 STAILQ_REMOVE_HEAD(&rq, next); 703 isp_prt(isp, ISP_LOGTDEBUG0, 704 "%s: restarting resrc deprived %x", __func__, 705 ((at7_entry_t *)ntp->data)->at_rxid); 706 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 707 isp_put_ntpd(isp, bus, ntp); 708 if (!STAILQ_EMPTY(&tptr->restart_queue)) 709 break; 710 } 711 if (!STAILQ_EMPTY(&rq)) { 712 STAILQ_CONCAT(&rq, &tptr->restart_queue); 713 STAILQ_CONCAT(&tptr->restart_queue, &rq); 714 } 715 return (!STAILQ_EMPTY(&tptr->restart_queue)); 716 } 717 718 static void 719 isp_tmcmd_restart(ispsoftc_t *isp) 720 { 721 struct isp_fc *fc; 722 tstate_t *tptr; 723 union ccb *ccb; 724 int bus, i; 725 726 for (bus = 0; bus < isp->isp_nchan; bus++) { 727 fc = ISP_FC_PC(isp, bus); 728 for (i = 0; i < LUN_HASH_SIZE; i++) { 729 SLIST_FOREACH(tptr, &fc->lun_hash[i], next) 730 isp_atio_restart(isp, bus, tptr); 731 } 732 733 /* 734 * We only need to do this once per channel. 735 */ 736 ccb = (union ccb *)TAILQ_FIRST(&fc->waitq); 737 if (ccb != NULL) { 738 TAILQ_REMOVE(&fc->waitq, &ccb->ccb_h, sim_links.tqe); 739 isp_target_start_ctio(isp, ccb, FROM_TIMER); 740 } 741 } 742 isp_rq_check_above(isp); 743 isp_rq_check_below(isp); 744 } 745 746 static atio_private_data_t * 747 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 748 { 749 struct isp_fc *fc = ISP_FC_PC(isp, chan); 750 atio_private_data_t *atp; 751 752 atp = LIST_FIRST(&fc->atfree); 753 if (atp) { 754 LIST_REMOVE(atp, next); 755 atp->tag = tag; 756 LIST_INSERT_HEAD(&fc->atused[ATPDPHASH(tag)], atp, next); 757 } 758 return (atp); 759 } 760 761 static atio_private_data_t * 762 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 763 { 764 struct isp_fc *fc = ISP_FC_PC(isp, chan); 765 atio_private_data_t *atp; 766 767 LIST_FOREACH(atp, &fc->atused[ATPDPHASH(tag)], next) { 768 if (atp->tag == tag) 769 return (atp); 770 } 771 return (NULL); 772 } 773 774 static void 775 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 776 { 777 struct isp_fc *fc = ISP_FC_PC(isp, chan); 778 779 if (atp->ests) 780 isp_put_ecmd(isp, atp->ests); 781 LIST_REMOVE(atp, next); 782 memset(atp, 0, sizeof (*atp)); 783 LIST_INSERT_HEAD(&fc->atfree, atp, next); 784 } 785 786 static void 787 isp_dump_atpd(ispsoftc_t *isp, int chan) 788 { 789 struct isp_fc *fc = ISP_FC_PC(isp, chan); 790 atio_private_data_t *atp; 791 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 792 793 for (atp = fc->atpool; atp < &fc->atpool[ATPDPSIZE]; atp++) { 794 if (atp->state == ATPD_STATE_FREE) 795 continue; 796 isp_prt(isp, ISP_LOGALL, "Chan %d ATP [0x%x] origdlen %u bytes_xfrd %u lun %jx nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s", 797 chan, atp->tag, atp->orig_datalen, atp->bytes_xfered, (uintmax_t)atp->lun, atp->nphdl, atp->sid, atp->did, atp->oxid, states[atp->state & 0x7]); 798 } 799 } 800 801 static inot_private_data_t * 802 isp_get_ntpd(ispsoftc_t *isp, int chan) 803 { 804 struct isp_fc *fc = ISP_FC_PC(isp, chan); 805 inot_private_data_t *ntp; 806 807 ntp = STAILQ_FIRST(&fc->ntfree); 808 if (ntp) 809 STAILQ_REMOVE_HEAD(&fc->ntfree, next); 810 return (ntp); 811 } 812 813 static inot_private_data_t * 814 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 815 { 816 struct isp_fc *fc = ISP_FC_PC(isp, chan); 817 inot_private_data_t *ntp; 818 819 for (ntp = fc->ntpool; ntp < &fc->ntpool[ATPDPSIZE]; ntp++) { 820 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 821 return (ntp); 822 } 823 return (NULL); 824 } 825 826 static void 827 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 828 { 829 struct isp_fc *fc = ISP_FC_PC(isp, chan); 830 831 ntp->tag_id = ntp->seq_id = 0; 832 STAILQ_INSERT_HEAD(&fc->ntfree, ntp, next); 833 } 834 835 tstate_t * 836 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path) 837 { 838 struct isp_fc *fc = ISP_FC_PC(isp, bus); 839 lun_id_t lun; 840 tstate_t *tptr; 841 842 lun = xpt_path_lun_id(path); 843 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 844 if (tptr == NULL) 845 return (NULL); 846 tptr->ts_lun = lun; 847 SLIST_INIT(&tptr->atios); 848 SLIST_INIT(&tptr->inots); 849 STAILQ_INIT(&tptr->restart_queue); 850 SLIST_INSERT_HEAD(&fc->lun_hash[LUN_HASH_FUNC(lun)], tptr, next); 851 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 852 return (tptr); 853 } 854 855 static void 856 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 857 { 858 struct isp_fc *fc = ISP_FC_PC(isp, bus); 859 union ccb *ccb; 860 inot_private_data_t *ntp; 861 862 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 863 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 864 ccb->ccb_h.status = CAM_REQ_ABORTED; 865 xpt_done(ccb); 866 }; 867 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 868 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 869 ccb->ccb_h.status = CAM_REQ_ABORTED; 870 xpt_done(ccb); 871 } 872 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 873 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 874 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 875 isp_put_ntpd(isp, bus, ntp); 876 } 877 SLIST_REMOVE(&fc->lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], tptr, tstate, next); 878 free(tptr, M_DEVBUF); 879 } 880 881 static void 882 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 883 { 884 tstate_t *tptr; 885 int bus = XS_CHANNEL(ccb); 886 target_id_t target = ccb->ccb_h.target_id; 887 lun_id_t lun = ccb->ccb_h.target_lun; 888 889 /* 890 * We only support either target and lun both wildcard 891 * or target and lun both non-wildcard. 892 */ 893 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 894 "enabling lun %jx\n", (uintmax_t)lun); 895 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 896 ccb->ccb_h.status = CAM_LUN_INVALID; 897 xpt_done(ccb); 898 return; 899 } 900 901 /* Create the state pointer. It should not already exist. */ 902 tptr = get_lun_statep(isp, bus, lun); 903 if (tptr) { 904 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 905 xpt_done(ccb); 906 return; 907 } 908 tptr = create_lun_state(isp, bus, ccb->ccb_h.path); 909 if (tptr == NULL) { 910 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 911 xpt_done(ccb); 912 return; 913 } 914 915 ccb->ccb_h.status = CAM_REQ_CMP; 916 xpt_done(ccb); 917 } 918 919 static void 920 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 921 { 922 tstate_t *tptr; 923 int bus = XS_CHANNEL(ccb); 924 target_id_t target = ccb->ccb_h.target_id; 925 lun_id_t lun = ccb->ccb_h.target_lun; 926 927 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 928 "disabling lun %jx\n", (uintmax_t)lun); 929 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 930 ccb->ccb_h.status = CAM_LUN_INVALID; 931 xpt_done(ccb); 932 return; 933 } 934 935 /* Find the state pointer. */ 936 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 937 ccb->ccb_h.status = CAM_PATH_INVALID; 938 xpt_done(ccb); 939 return; 940 } 941 942 destroy_lun_state(isp, bus, tptr); 943 ccb->ccb_h.status = CAM_REQ_CMP; 944 xpt_done(ccb); 945 } 946 947 static void 948 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 949 { 950 int fctape, sendstatus, resid; 951 fcparam *fcp; 952 atio_private_data_t *atp; 953 struct ccb_scsiio *cso; 954 struct isp_ccbq *waitq; 955 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 956 ct7_entry_t local, *cto = &local; 957 958 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ENTRY[0x%x] how %u xfrlen %u sendstatus %d sense_len %u", __func__, ccb->csio.tag_id, how, ccb->csio.dxfer_len, 959 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 960 961 waitq = &ISP_FC_PC(isp, XS_CHANNEL(ccb))->waitq; 962 switch (how) { 963 case FROM_CAM: 964 /* 965 * Insert at the tail of the list, if any, waiting CTIO CCBs 966 */ 967 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 968 break; 969 case FROM_TIMER: 970 case FROM_SRR: 971 case FROM_CTIO_DONE: 972 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 973 break; 974 } 975 976 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 977 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 978 979 cso = &ccb->csio; 980 xfrlen = cso->dxfer_len; 981 if (xfrlen == 0) { 982 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 983 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 984 ccb->ccb_h.status = CAM_REQ_INVALID; 985 xpt_done(ccb); 986 continue; 987 } 988 } 989 990 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 991 if (atp == NULL) { 992 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 993 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 994 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 995 xpt_done(ccb); 996 continue; 997 } 998 999 /* 1000 * Is this command a dead duck? 1001 */ 1002 if (atp->dead) { 1003 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1004 ccb->ccb_h.status = CAM_REQ_ABORTED; 1005 xpt_done(ccb); 1006 continue; 1007 } 1008 1009 /* 1010 * Check to make sure we're still in target mode. 1011 */ 1012 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1013 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1014 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1015 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1016 xpt_done(ccb); 1017 continue; 1018 } 1019 1020 /* 1021 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1022 * could be split into two CTIOs to split data and status). 1023 */ 1024 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1025 isp_prt(isp, ISP_LOGTINFO, "[0x%x] handling only %d CCBs at a time (flags for this ccb: 0x%x)", cso->tag_id, ATPD_CCB_OUTSTANDING, ccb->ccb_h.flags); 1026 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1027 break; 1028 } 1029 1030 /* 1031 * Does the initiator expect FC-Tape style responses? 1032 */ 1033 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1034 fctape = 1; 1035 } else { 1036 fctape = 0; 1037 } 1038 1039 /* 1040 * If we already did the data xfer portion of a CTIO that sends data 1041 * and status, don't do it again and do the status portion now. 1042 */ 1043 if (atp->sendst) { 1044 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1045 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1046 xfrlen = 0; /* we already did the data transfer */ 1047 atp->sendst = 0; 1048 } 1049 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1050 sendstatus = 1; 1051 } else { 1052 sendstatus = 0; 1053 } 1054 1055 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1056 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1057 /* 1058 * Sense length is not the entire sense data structure size. Periph 1059 * drivers don't seem to be setting sense_len to reflect the actual 1060 * size. We'll peek inside to get the right amount. 1061 */ 1062 sense_length = cso->sense_len; 1063 1064 /* 1065 * This 'cannot' happen 1066 */ 1067 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1068 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1069 } 1070 } else { 1071 sense_length = 0; 1072 } 1073 1074 /* 1075 * Check for overflow 1076 */ 1077 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1078 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1079 isp_prt(isp, ISP_LOGERR, 1080 "%s: [0x%x] data overflow by %u bytes", __func__, 1081 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1082 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1083 xpt_done(ccb); 1084 continue; 1085 } 1086 if (xfrlen > atp->orig_datalen - tmp) { 1087 xfrlen = atp->orig_datalen - tmp; 1088 if (xfrlen == 0 && !sendstatus) { 1089 cso->resid = cso->dxfer_len; 1090 ccb->ccb_h.status = CAM_REQ_CMP; 1091 xpt_done(ccb); 1092 continue; 1093 } 1094 } 1095 1096 memset(cto, 0, QENTRY_LEN); 1097 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1098 cto->ct_header.rqs_entry_count = 1; 1099 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1100 ATPD_SET_SEQNO(cto, atp); 1101 cto->ct_nphdl = atp->nphdl; 1102 cto->ct_rxid = atp->tag; 1103 cto->ct_iid_lo = atp->sid; 1104 cto->ct_iid_hi = atp->sid >> 16; 1105 cto->ct_oxid = atp->oxid; 1106 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1107 cto->ct_timeout = XS_TIME(ccb); 1108 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1109 1110 /* 1111 * Mode 1, status, no data. Only possible when we are sending status, have 1112 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1113 * 1114 * Mode 2, status, no data. We have to use this in the case that 1115 * the sense data won't fit into a ct7_entry_t. 1116 * 1117 */ 1118 if (sendstatus && xfrlen == 0) { 1119 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1120 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1121 if (sense_length <= MAXRESPLEN_24XX) { 1122 cto->ct_flags |= CT7_FLAG_MODE1; 1123 cto->ct_scsi_status = cso->scsi_status; 1124 if (resid < 0) { 1125 cto->ct_resid = -resid; 1126 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1127 } else if (resid > 0) { 1128 cto->ct_resid = resid; 1129 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1130 } 1131 if (fctape) { 1132 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1133 } 1134 if (sense_length) { 1135 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1136 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1137 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1138 } 1139 } else { 1140 bus_addr_t addr; 1141 fcp_rsp_iu_t rp; 1142 1143 if (atp->ests == NULL) { 1144 atp->ests = isp_get_ecmd(isp); 1145 if (atp->ests == NULL) { 1146 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1147 break; 1148 } 1149 } 1150 memset(&rp, 0, sizeof(rp)); 1151 if (fctape) { 1152 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1153 rp.fcp_rsp_bits |= FCP_CONF_REQ; 1154 } 1155 cto->ct_flags |= CT7_FLAG_MODE2; 1156 rp.fcp_rsp_scsi_status = cso->scsi_status; 1157 if (resid < 0) { 1158 rp.fcp_rsp_resid = -resid; 1159 rp.fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1160 } else if (resid > 0) { 1161 rp.fcp_rsp_resid = resid; 1162 rp.fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1163 } 1164 if (sense_length) { 1165 rp.fcp_rsp_snslen = sense_length; 1166 cto->ct_senselen = sense_length; 1167 rp.fcp_rsp_bits |= FCP_SNSLEN_VALID; 1168 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1169 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1170 } else { 1171 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1172 } 1173 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1174 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1175 } 1176 bus_dmamap_sync(isp->isp_osinfo.ecmd_dmat, isp->isp_osinfo.ecmd_map, BUS_DMASYNC_PREWRITE); 1177 addr = isp->isp_osinfo.ecmd_dma; 1178 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1179 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests, 1180 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1181 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1182 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1183 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1184 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1185 } 1186 if (sense_length) { 1187 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d slen %u sense: %x %x/%x/%x", __func__, 1188 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid, sense_length, 1189 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1190 } else { 1191 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1192 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1193 } 1194 atp->state = ATPD_STATE_LAST_CTIO; 1195 } 1196 1197 /* 1198 * Mode 0 data transfers, *possibly* with status. 1199 */ 1200 if (xfrlen != 0) { 1201 cto->ct_flags |= CT7_FLAG_MODE0; 1202 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1203 cto->ct_flags |= CT7_DATA_IN; 1204 } else { 1205 cto->ct_flags |= CT7_DATA_OUT; 1206 } 1207 1208 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1209 cto->rsp.m0.ct_xfrlen = xfrlen; 1210 1211 #ifdef DEBUG 1212 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1213 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1214 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1215 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1216 } 1217 #endif 1218 if (sendstatus) { 1219 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1220 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1221 cto->ct_flags |= CT7_SENDSTATUS; 1222 atp->state = ATPD_STATE_LAST_CTIO; 1223 if (fctape) { 1224 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1225 } 1226 } else { 1227 atp->sendst = 1; /* send status later */ 1228 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1229 atp->state = ATPD_STATE_CTIO; 1230 } 1231 } else { 1232 atp->state = ATPD_STATE_CTIO; 1233 } 1234 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x xfrlen=%u off=%u", __func__, 1235 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1236 } 1237 1238 if (isp_get_pcmd(isp, ccb)) { 1239 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1240 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1241 break; 1242 } 1243 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1244 if (handle == 0) { 1245 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1246 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1247 isp_free_pcmd(isp, ccb); 1248 break; 1249 } 1250 atp->bytes_in_transit += xfrlen; 1251 PISP_PCMD(ccb)->datalen = xfrlen; 1252 1253 /* 1254 * Call the dma setup routines for this entry (and any subsequent 1255 * CTIOs) if there's data to move, and then tell the f/w it's got 1256 * new things to play with. As with isp_start's usage of DMA setup, 1257 * any swizzling is done in the machine dependent layer. Because 1258 * of this, we put the request onto the queue area first in native 1259 * format. 1260 */ 1261 cto->ct_syshandle = handle; 1262 dmaresult = ISP_DMASETUP(isp, cso, cto); 1263 if (dmaresult != 0) { 1264 isp_destroy_handle(isp, handle); 1265 isp_free_pcmd(isp, ccb); 1266 if (dmaresult == CMD_EAGAIN) { 1267 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1268 break; 1269 } 1270 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1271 xpt_done(ccb); 1272 continue; 1273 } 1274 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1275 if (xfrlen) { 1276 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1277 } else { 1278 ccb->ccb_h.spriv_field0 = ~0; 1279 } 1280 atp->ctcnt++; 1281 atp->seqno++; 1282 } 1283 } 1284 1285 static void 1286 isp_refire_notify_ack(void *arg) 1287 { 1288 isp_tna_t *tp = arg; 1289 ispsoftc_t *isp = tp->isp; 1290 1291 ISP_ASSERT_LOCKED(isp); 1292 if (isp_notify_ack(isp, tp->not)) { 1293 callout_schedule(&tp->timer, 5); 1294 } else { 1295 free(tp, M_DEVBUF); 1296 } 1297 } 1298 1299 1300 static void 1301 isp_complete_ctio(ispsoftc_t *isp, union ccb *ccb) 1302 { 1303 1304 isp_rq_check_below(isp); 1305 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1306 xpt_done(ccb); 1307 } 1308 1309 static void 1310 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1311 { 1312 int cdbxlen; 1313 lun_id_t lun; 1314 uint16_t chan, nphdl = NIL_HANDLE; 1315 uint32_t did, sid; 1316 fcportdb_t *lp; 1317 tstate_t *tptr; 1318 struct ccb_accept_tio *atiop; 1319 atio_private_data_t *atp = NULL; 1320 atio_private_data_t *oatp; 1321 inot_private_data_t *ntp; 1322 1323 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1324 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1325 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1326 1327 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1328 /* Channel has to be derived from D_ID */ 1329 isp_find_chan_by_did(isp, did, &chan); 1330 if (chan == ISP_NOCHAN) { 1331 isp_prt(isp, ISP_LOGWARN, 1332 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1333 __func__, aep->at_rxid, did); 1334 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1335 ECMD_TERMINATE, 0); 1336 return; 1337 } 1338 } else { 1339 chan = 0; 1340 } 1341 1342 /* 1343 * Find the PDB entry for this initiator 1344 */ 1345 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1346 /* 1347 * If we're not in the port database terminate the exchange. 1348 */ 1349 isp_prt(isp, ISP_LOGTINFO, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x wasn't in PDB already", 1350 __func__, aep->at_rxid, did, chan, sid); 1351 isp_dump_portdb(isp, chan); 1352 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1353 return; 1354 } 1355 nphdl = lp->handle; 1356 1357 /* 1358 * Get the tstate pointer 1359 */ 1360 tptr = get_lun_statep(isp, chan, lun); 1361 if (tptr == NULL) { 1362 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1363 if (tptr == NULL) { 1364 isp_prt(isp, ISP_LOGWARN, 1365 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1366 __func__, aep->at_rxid, (uintmax_t)lun); 1367 if (lun == 0) { 1368 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1369 } else { 1370 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1371 } 1372 return; 1373 } 1374 } 1375 1376 /* 1377 * Start any commands pending resources first. 1378 */ 1379 if (isp_atio_restart(isp, chan, tptr)) 1380 goto noresrc; 1381 1382 /* 1383 * If the f/w is out of resources, just send a BUSY status back. 1384 */ 1385 if (aep->at_rxid == AT7_NORESRC_RXID) { 1386 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1387 return; 1388 } 1389 1390 /* 1391 * If we're out of resources, just send a BUSY status back. 1392 */ 1393 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1394 if (atiop == NULL) { 1395 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1396 goto noresrc; 1397 } 1398 1399 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1400 if (oatp) { 1401 isp_prt(isp, oatp->state == ATPD_STATE_LAST_CTIO ? ISP_LOGTDEBUG0 : 1402 ISP_LOGWARN, "[0x%x] tag wraparound (N-Port Handle " 1403 "0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d", 1404 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1405 /* 1406 * It's not a "no resource" condition- but we can treat it like one 1407 */ 1408 goto noresrc; 1409 } 1410 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1411 if (atp == NULL) { 1412 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1413 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1414 return; 1415 } 1416 atp->word3 = lp->prli_word3; 1417 atp->state = ATPD_STATE_ATIO; 1418 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1419 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1420 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1421 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1422 atiop->ccb_h.target_lun = lun; 1423 atiop->sense_len = 0; 1424 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1425 if (cdbxlen) { 1426 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1427 } 1428 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1429 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1430 atiop->cdb_len = cdbxlen; 1431 atiop->ccb_h.status = CAM_CDB_RECVD; 1432 atiop->tag_id = atp->tag; 1433 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1434 case FCP_CMND_TASK_ATTR_SIMPLE: 1435 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1436 atiop->tag_action = MSG_SIMPLE_TASK; 1437 break; 1438 case FCP_CMND_TASK_ATTR_HEAD: 1439 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1440 atiop->tag_action = MSG_HEAD_OF_QUEUE_TASK; 1441 break; 1442 case FCP_CMND_TASK_ATTR_ORDERED: 1443 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1444 atiop->tag_action = MSG_ORDERED_TASK; 1445 break; 1446 case FCP_CMND_TASK_ATTR_ACA: 1447 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1448 atiop->tag_action = MSG_ACA_TASK; 1449 break; 1450 case FCP_CMND_TASK_ATTR_UNTAGGED: 1451 default: 1452 atiop->tag_action = 0; 1453 break; 1454 } 1455 atiop->priority = (aep->at_cmnd.fcp_cmnd_task_attribute & 1456 FCP_CMND_PRIO_MASK) >> FCP_CMND_PRIO_SHIFT; 1457 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1458 atp->bytes_xfered = 0; 1459 atp->lun = lun; 1460 atp->nphdl = nphdl; 1461 atp->sid = sid; 1462 atp->did = did; 1463 atp->oxid = aep->at_hdr.ox_id; 1464 atp->rxid = aep->at_hdr.rx_id; 1465 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1466 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1467 atp->state = ATPD_STATE_CAM; 1468 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1469 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1470 xpt_done((union ccb *)atiop); 1471 return; 1472 noresrc: 1473 KASSERT(atp == NULL, ("%s: atp is not NULL on noresrc!\n", __func__)); 1474 ntp = isp_get_ntpd(isp, chan); 1475 if (ntp == NULL) { 1476 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1477 return; 1478 } 1479 memcpy(ntp->data, aep, QENTRY_LEN); 1480 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1481 } 1482 1483 1484 /* 1485 * Handle starting an SRR (sequence retransmit request) 1486 * We get here when we've gotten the immediate notify 1487 * and the return of all outstanding CTIOs for this 1488 * transaction. 1489 */ 1490 static void 1491 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1492 { 1493 in_fcentry_24xx_t *inot; 1494 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1495 union ccb *ccb; 1496 1497 inot = (in_fcentry_24xx_t *)atp->srr; 1498 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1499 ccb = atp->srr_ccb; 1500 atp->srr_ccb = NULL; 1501 atp->nsrr++; 1502 if (ccb == NULL) { 1503 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1504 goto fail; 1505 } 1506 1507 ccb_off = ccb->ccb_h.spriv_field0; 1508 ccb_len = ccb->csio.dxfer_len; 1509 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1510 1511 switch (inot->in_srr_iu) { 1512 case R_CTL_INFO_SOLICITED_DATA: 1513 /* 1514 * We have to restart a FCP_DATA data out transaction 1515 */ 1516 atp->sendst = 0; 1517 atp->bytes_xfered = srr_off; 1518 if (ccb_len == 0) { 1519 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 1520 goto mdp; 1521 } 1522 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 1523 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x not covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end); 1524 goto mdp; 1525 } 1526 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end); 1527 break; 1528 case R_CTL_INFO_COMMAND_STATUS: 1529 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 1530 atp->sendst = 1; 1531 /* 1532 * We have to restart a FCP_RSP IU transaction 1533 */ 1534 break; 1535 case R_CTL_INFO_DATA_DESCRIPTOR: 1536 /* 1537 * We have to restart an FCP DATA in transaction 1538 */ 1539 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 1540 goto fail; 1541 1542 default: 1543 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 1544 goto fail; 1545 } 1546 1547 /* 1548 * We can't do anything until this is acked, so we might as well start it now. 1549 * We aren't going to do the usual asynchronous ack issue because we need 1550 * to make sure this gets on the wire first. 1551 */ 1552 if (isp_notify_ack(isp, inot)) { 1553 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 1554 goto fail; 1555 } 1556 isp_target_start_ctio(isp, ccb, FROM_SRR); 1557 return; 1558 fail: 1559 inot->in_reserved = 1; 1560 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 1561 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1562 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1563 isp_complete_ctio(isp, ccb); 1564 return; 1565 mdp: 1566 if (isp_notify_ack(isp, inot)) { 1567 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 1568 goto fail; 1569 } 1570 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1571 ccb->ccb_h.status |= CAM_MESSAGE_RECV; 1572 /* 1573 * This is not a strict interpretation of MDP, but it's close 1574 */ 1575 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 1576 ccb->csio.msg_len = 7; 1577 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 1578 ccb->csio.msg_ptr[1] = 5; 1579 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 1580 ccb->csio.msg_ptr[3] = srr_off >> 24; 1581 ccb->csio.msg_ptr[4] = srr_off >> 16; 1582 ccb->csio.msg_ptr[5] = srr_off >> 8; 1583 ccb->csio.msg_ptr[6] = srr_off; 1584 isp_complete_ctio(isp, ccb); 1585 } 1586 1587 1588 static void 1589 isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 1590 { 1591 in_fcentry_24xx_t *inot = notify->nt_lreserved; 1592 atio_private_data_t *atp; 1593 uint32_t tag = notify->nt_tagval & 0xffffffff; 1594 1595 atp = isp_find_atpd(isp, notify->nt_channel, tag); 1596 if (atp == NULL) { 1597 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 1598 __func__, tag); 1599 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 1600 return; 1601 } 1602 atp->srr_notify_rcvd = 1; 1603 memcpy(atp->srr, inot, sizeof (atp->srr)); 1604 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 1605 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 1606 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 1607 if (atp->srr_ccb) 1608 isp_handle_srr_start(isp, atp); 1609 } 1610 1611 static void 1612 isp_handle_platform_ctio(ispsoftc_t *isp, ct7_entry_t *ct) 1613 { 1614 union ccb *ccb; 1615 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 1616 atio_private_data_t *atp = NULL; 1617 int bus; 1618 uint32_t handle, data_requested, resid; 1619 1620 handle = ct->ct_syshandle; 1621 ccb = isp_find_xs(isp, handle); 1622 if (ccb == NULL) { 1623 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, ct); 1624 return; 1625 } 1626 isp_destroy_handle(isp, handle); 1627 resid = data_requested = PISP_PCMD(ccb)->datalen; 1628 isp_free_pcmd(isp, ccb); 1629 1630 bus = XS_CHANNEL(ccb); 1631 atp = isp_find_atpd(isp, bus, ct->ct_rxid); 1632 if (atp == NULL) { 1633 /* 1634 * XXX: isp_clear_commands() generates fake CTIO with zero 1635 * ct_rxid value, filling only ct_syshandle. Workaround 1636 * that using tag_id from the CCB, pointed by ct_syshandle. 1637 */ 1638 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 1639 } 1640 if (atp == NULL) { 1641 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 1642 return; 1643 } 1644 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 1645 atp->bytes_in_transit -= data_requested; 1646 atp->ctcnt -= 1; 1647 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1648 1649 if (ct->ct_nphdl == CT7_SRR) { 1650 atp->srr_ccb = ccb; 1651 if (atp->srr_notify_rcvd) 1652 isp_handle_srr_start(isp, atp); 1653 return; 1654 } 1655 if (ct->ct_nphdl == CT_HBA_RESET) { 1656 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 1657 (atp->sendst == 0); 1658 failure = CAM_UNREC_HBA_ERROR; 1659 } else { 1660 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 1661 ok = (ct->ct_nphdl == CT7_OK); 1662 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 1663 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 1664 resid = ct->ct_resid; 1665 } 1666 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO7[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct), 1667 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 1668 if (ok) { 1669 if (data_requested > 0) { 1670 atp->bytes_xfered += data_requested - resid; 1671 ccb->csio.resid = ccb->csio.dxfer_len - 1672 (data_requested - resid); 1673 } 1674 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 1675 ccb->ccb_h.status |= CAM_SENT_SENSE; 1676 ccb->ccb_h.status |= CAM_REQ_CMP; 1677 } else { 1678 notify_cam = 1; 1679 if (failure == CAM_UNREC_HBA_ERROR) 1680 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 1681 else 1682 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1683 } 1684 atp->state = ATPD_STATE_PDON; 1685 1686 /* 1687 * We never *not* notify CAM when there has been any error (ok == 0), 1688 * so we never need to do an ATIO putback if we're not notifying CAM. 1689 */ 1690 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 1691 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 1692 if (notify_cam == 0) { 1693 if (atp->sendst) { 1694 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 1695 } 1696 return; 1697 } 1698 1699 /* 1700 * We are done with this ATIO if we successfully sent status. 1701 * In all other cases expect either another CTIO or XPT_ABORT. 1702 */ 1703 if (ok && sentstatus) 1704 isp_put_atpd(isp, bus, atp); 1705 1706 /* 1707 * We're telling CAM we're done with this CTIO transaction. 1708 * 1709 * 24XX cards never need an ATIO put back. 1710 */ 1711 isp_complete_ctio(isp, ccb); 1712 } 1713 1714 static int 1715 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 1716 { 1717 ct7_entry_t local, *cto = &local; 1718 1719 if (isp->isp_state != ISP_RUNSTATE) { 1720 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 1721 return (0); 1722 } 1723 1724 /* 1725 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 1726 */ 1727 if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 1728 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 1729 fcportdb_t *lp; 1730 uint32_t sid; 1731 uint16_t nphdl; 1732 1733 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1734 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 1735 nphdl = lp->handle; 1736 } else { 1737 nphdl = NIL_HANDLE; 1738 } 1739 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 1740 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1741 cto->ct_header.rqs_entry_count = 1; 1742 cto->ct_nphdl = nphdl; 1743 cto->ct_rxid = aep->at_rxid; 1744 cto->ct_vpidx = mp->nt_channel; 1745 cto->ct_iid_lo = sid; 1746 cto->ct_iid_hi = sid >> 16; 1747 cto->ct_oxid = aep->at_hdr.ox_id; 1748 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 1749 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 1750 if (rsp != 0) { 1751 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 1752 cto->rsp.m1.ct_resplen = 4; 1753 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 1754 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 1755 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 1756 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 1757 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 1758 } 1759 return (isp_target_put_entry(isp, &cto)); 1760 } 1761 1762 /* 1763 * This case is for a responding to an ABTS frame 1764 */ 1765 if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 1766 1767 /* 1768 * Overload nt_need_ack here to mark whether we've terminated the associated command. 1769 */ 1770 if (mp->nt_need_ack) { 1771 abts_t *abts = (abts_t *)mp->nt_lreserved; 1772 1773 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 1774 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 1775 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1776 cto->ct_header.rqs_entry_count = 1; 1777 cto->ct_nphdl = mp->nt_nphdl; 1778 cto->ct_rxid = abts->abts_rxid_task; 1779 cto->ct_iid_lo = mp->nt_sid; 1780 cto->ct_iid_hi = mp->nt_sid >> 16; 1781 cto->ct_oxid = abts->abts_ox_id; 1782 cto->ct_vpidx = mp->nt_channel; 1783 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 1784 if (isp_target_put_entry(isp, cto)) { 1785 return (ENOMEM); 1786 } 1787 mp->nt_need_ack = 0; 1788 } 1789 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 1790 return (ENOMEM); 1791 } else { 1792 return (0); 1793 } 1794 } 1795 1796 /* 1797 * General purpose acknowledgement 1798 */ 1799 if (mp->nt_need_ack) { 1800 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 1801 /* 1802 * Don't need to use the guaranteed send because the caller can retry 1803 */ 1804 return (isp_notify_ack(isp, mp->nt_lreserved)); 1805 } 1806 return (0); 1807 } 1808 1809 /* 1810 * Handle task management functions. 1811 * 1812 * We show up here with a notify structure filled out. 1813 * 1814 * The nt_lreserved tag points to the original queue entry 1815 */ 1816 static void 1817 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 1818 { 1819 tstate_t *tptr; 1820 fcportdb_t *lp; 1821 struct ccb_immediate_notify *inot; 1822 inot_private_data_t *ntp = NULL; 1823 atio_private_data_t *atp; 1824 lun_id_t lun; 1825 1826 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode, 1827 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 1828 if (notify->nt_lun == LUN_ANY) { 1829 if (notify->nt_tagval == TAG_ANY) { 1830 lun = CAM_LUN_WILDCARD; 1831 } else { 1832 atp = isp_find_atpd(isp, notify->nt_channel, 1833 notify->nt_tagval & 0xffffffff); 1834 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 1835 } 1836 } else { 1837 lun = notify->nt_lun; 1838 } 1839 tptr = get_lun_statep(isp, notify->nt_channel, lun); 1840 if (tptr == NULL) { 1841 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 1842 if (tptr == NULL) { 1843 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 1844 goto bad; 1845 } 1846 } 1847 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 1848 if (inot == NULL) { 1849 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 1850 goto bad; 1851 } 1852 1853 inot->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1854 inot->ccb_h.target_lun = lun; 1855 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 1856 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 1857 inot->initiator_id = CAM_TARGET_WILDCARD; 1858 } else { 1859 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 1860 } 1861 inot->seq_id = notify->nt_tagval; 1862 inot->tag_id = notify->nt_tagval >> 32; 1863 1864 switch (notify->nt_ncode) { 1865 case NT_ABORT_TASK: 1866 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 1867 inot->arg = MSG_ABORT_TASK; 1868 break; 1869 case NT_ABORT_TASK_SET: 1870 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 1871 inot->arg = MSG_ABORT_TASK_SET; 1872 break; 1873 case NT_CLEAR_ACA: 1874 inot->arg = MSG_CLEAR_ACA; 1875 break; 1876 case NT_CLEAR_TASK_SET: 1877 inot->arg = MSG_CLEAR_TASK_SET; 1878 break; 1879 case NT_LUN_RESET: 1880 inot->arg = MSG_LOGICAL_UNIT_RESET; 1881 break; 1882 case NT_TARGET_RESET: 1883 inot->arg = MSG_TARGET_RESET; 1884 break; 1885 case NT_QUERY_TASK_SET: 1886 inot->arg = MSG_QUERY_TASK_SET; 1887 break; 1888 case NT_QUERY_ASYNC_EVENT: 1889 inot->arg = MSG_QUERY_ASYNC_EVENT; 1890 break; 1891 default: 1892 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); 1893 goto bad; 1894 } 1895 1896 ntp = isp_get_ntpd(isp, notify->nt_channel); 1897 if (ntp == NULL) { 1898 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 1899 goto bad; 1900 } 1901 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 1902 if (notify->nt_lreserved) { 1903 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 1904 ntp->nt.nt_lreserved = &ntp->data; 1905 } 1906 ntp->seq_id = notify->nt_tagval; 1907 ntp->tag_id = notify->nt_tagval >> 32; 1908 1909 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 1910 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 1911 inot->ccb_h.status = CAM_MESSAGE_RECV; 1912 xpt_done((union ccb *)inot); 1913 return; 1914 bad: 1915 if (notify->nt_need_ack) { 1916 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 1917 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 1918 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 1919 } 1920 } else { 1921 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 1922 } 1923 } 1924 } 1925 1926 static void 1927 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 1928 { 1929 struct isp_fc *fc = ISP_FC_PC(isp, chan); 1930 atio_private_data_t *atp; 1931 inot_private_data_t *ntp, *tmp; 1932 uint32_t this_tag_id; 1933 1934 /* 1935 * First, clean any commands pending restart 1936 */ 1937 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 1938 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 1939 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 1940 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 1941 ECMD_TERMINATE, 0); 1942 isp_put_ntpd(isp, chan, ntp); 1943 STAILQ_REMOVE(&tptr->restart_queue, ntp, 1944 inot_private_data, next); 1945 } 1946 } 1947 1948 /* 1949 * Now mark other ones dead as well. 1950 */ 1951 for (atp = fc->atpool; atp < &fc->atpool[ATPDPSIZE]; atp++) { 1952 if (atp->lun != tptr->ts_lun) 1953 continue; 1954 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 1955 atp->dead = 1; 1956 } 1957 } 1958 #endif 1959 1960 static void 1961 isp_poll(struct cam_sim *sim) 1962 { 1963 ispsoftc_t *isp = cam_sim_softc(sim); 1964 1965 ISP_RUN_ISR(isp); 1966 } 1967 1968 1969 static void 1970 isp_watchdog(void *arg) 1971 { 1972 struct ccb_scsiio *xs = arg; 1973 ispsoftc_t *isp; 1974 uint32_t ohandle = ISP_HANDLE_FREE, handle; 1975 1976 isp = XS_ISP(xs); 1977 1978 handle = isp_find_handle(isp, xs); 1979 1980 /* 1981 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 1982 */ 1983 if (handle != ISP_HANDLE_FREE) { 1984 ISP_RUN_ISR(isp); 1985 ohandle = handle; 1986 handle = isp_find_handle(isp, xs); 1987 } 1988 if (handle != ISP_HANDLE_FREE) { 1989 /* 1990 * Try and make sure the command is really dead before 1991 * we release the handle (and DMA resources) for reuse. 1992 * 1993 * If we are successful in aborting the command then 1994 * we're done here because we'll get the command returned 1995 * back separately. 1996 */ 1997 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 1998 return; 1999 } 2000 2001 /* 2002 * Note that after calling the above, the command may in 2003 * fact have been completed. 2004 */ 2005 xs = isp_find_xs(isp, handle); 2006 2007 /* 2008 * If the command no longer exists, then we won't 2009 * be able to find the xs again with this handle. 2010 */ 2011 if (xs == NULL) { 2012 return; 2013 } 2014 2015 /* 2016 * After this point, the command is really dead. 2017 */ 2018 ISP_DMAFREE(isp, xs); 2019 isp_destroy_handle(isp, handle); 2020 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 2021 XS_SETERR(xs, CAM_CMD_TIMEOUT); 2022 isp_done(xs); 2023 } else { 2024 if (ohandle != ISP_HANDLE_FREE) { 2025 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 2026 } else { 2027 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 2028 } 2029 } 2030 } 2031 2032 static void 2033 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2034 { 2035 union ccb *ccb; 2036 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2037 2038 /* 2039 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2040 */ 2041 ccb = xpt_alloc_ccb_nowait(); 2042 if (ccb == NULL) { 2043 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2044 return; 2045 } 2046 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2047 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2048 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2049 xpt_free_ccb(ccb); 2050 return; 2051 } 2052 xpt_rescan(ccb); 2053 } 2054 2055 static void 2056 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2057 { 2058 struct cam_path *tp; 2059 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2060 2061 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2062 xpt_async(AC_LOST_DEVICE, tp, NULL); 2063 xpt_free_path(tp); 2064 } 2065 } 2066 2067 /* 2068 * Gone Device Timer Function- when we have decided that a device has gone 2069 * away, we wait a specific period of time prior to telling the OS it has 2070 * gone away. 2071 * 2072 * This timer function fires once a second and then scans the port database 2073 * for devices that are marked dead but still have a virtual target assigned. 2074 * We decrement a counter for that port database entry, and when it hits zero, 2075 * we tell the OS the device has gone away. 2076 */ 2077 static void 2078 isp_gdt(void *arg) 2079 { 2080 struct isp_fc *fc = arg; 2081 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2082 } 2083 2084 static void 2085 isp_gdt_task(void *arg, int pending) 2086 { 2087 struct isp_fc *fc = arg; 2088 ispsoftc_t *isp = fc->isp; 2089 int chan = fc - ISP_FC_PC(isp, 0); 2090 fcportdb_t *lp; 2091 struct ac_contract ac; 2092 struct ac_device_changed *adc; 2093 int dbidx, more_to_do = 0; 2094 2095 ISP_LOCK(isp); 2096 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2097 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2098 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2099 2100 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2101 continue; 2102 } 2103 if (lp->gone_timer != 0) { 2104 lp->gone_timer -= 1; 2105 more_to_do++; 2106 continue; 2107 } 2108 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2109 if (lp->is_target) { 2110 lp->is_target = 0; 2111 isp_make_gone(isp, lp, chan, dbidx); 2112 } 2113 if (lp->is_initiator) { 2114 lp->is_initiator = 0; 2115 ac.contract_number = AC_CONTRACT_DEV_CHG; 2116 adc = (struct ac_device_changed *) ac.contract_data; 2117 adc->wwpn = lp->port_wwn; 2118 adc->port = lp->portid; 2119 adc->target = dbidx; 2120 adc->arrived = 0; 2121 xpt_async(AC_CONTRACT, fc->path, &ac); 2122 } 2123 lp->state = FC_PORTDB_STATE_NIL; 2124 } 2125 if (fc->ready) { 2126 if (more_to_do) { 2127 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2128 } else { 2129 callout_deactivate(&fc->gdt); 2130 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2131 } 2132 } 2133 ISP_UNLOCK(isp); 2134 } 2135 2136 /* 2137 * When loop goes down we remember the time and freeze CAM command queue. 2138 * During some time period we are trying to reprobe the loop. But if we 2139 * fail, we tell the OS that devices have gone away and drop the freeze. 2140 * 2141 * We don't clear the devices out of our port database because, when loop 2142 * come back up, we have to do some actual cleanup with the chip at that 2143 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2144 */ 2145 static void 2146 isp_loop_changed(ispsoftc_t *isp, int chan) 2147 { 2148 fcparam *fcp = FCPARAM(isp, chan); 2149 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2150 2151 if (fc->loop_down_time) 2152 return; 2153 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2154 if (fcp->role & ISP_ROLE_INITIATOR) 2155 isp_freeze_loopdown(isp, chan); 2156 fc->loop_down_time = time_uptime; 2157 wakeup(fc); 2158 } 2159 2160 static void 2161 isp_loop_up(ispsoftc_t *isp, int chan) 2162 { 2163 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2164 2165 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2166 fc->loop_seen_once = 1; 2167 fc->loop_down_time = 0; 2168 isp_unfreeze_loopdown(isp, chan); 2169 } 2170 2171 static void 2172 isp_loop_dead(ispsoftc_t *isp, int chan) 2173 { 2174 fcparam *fcp = FCPARAM(isp, chan); 2175 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2176 fcportdb_t *lp; 2177 struct ac_contract ac; 2178 struct ac_device_changed *adc; 2179 int dbidx, i; 2180 2181 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2182 2183 /* 2184 * Notify to the OS all targets who we now consider have departed. 2185 */ 2186 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2187 lp = &fcp->portdb[dbidx]; 2188 2189 if (lp->state == FC_PORTDB_STATE_NIL) 2190 continue; 2191 2192 for (i = 0; i < ISP_HANDLE_NUM(isp); i++) { 2193 struct ccb_scsiio *xs; 2194 2195 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2196 continue; 2197 } 2198 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2199 continue; 2200 } 2201 if (dbidx != XS_TGT(xs)) { 2202 continue; 2203 } 2204 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2205 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2206 (uintmax_t)XS_LUN(xs)); 2207 2208 /* 2209 * Just like in isp_watchdog, abort the outstanding 2210 * command or immediately free its resources if it is 2211 * not active 2212 */ 2213 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2214 continue; 2215 } 2216 2217 ISP_DMAFREE(isp, xs); 2218 isp_destroy_handle(isp, isp->isp_xflist[i].handle); 2219 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed", 2220 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2221 (uintmax_t)XS_LUN(xs)); 2222 XS_SETERR(xs, HBA_BUSRESET); 2223 isp_done(xs); 2224 } 2225 2226 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2227 if (lp->is_target) { 2228 lp->is_target = 0; 2229 isp_make_gone(isp, lp, chan, dbidx); 2230 } 2231 if (lp->is_initiator) { 2232 lp->is_initiator = 0; 2233 ac.contract_number = AC_CONTRACT_DEV_CHG; 2234 adc = (struct ac_device_changed *) ac.contract_data; 2235 adc->wwpn = lp->port_wwn; 2236 adc->port = lp->portid; 2237 adc->target = dbidx; 2238 adc->arrived = 0; 2239 xpt_async(AC_CONTRACT, fc->path, &ac); 2240 } 2241 } 2242 2243 isp_unfreeze_loopdown(isp, chan); 2244 fc->loop_down_time = 0; 2245 } 2246 2247 static void 2248 isp_kthread(void *arg) 2249 { 2250 struct isp_fc *fc = arg; 2251 ispsoftc_t *isp = fc->isp; 2252 int chan = fc - ISP_FC_PC(isp, 0); 2253 int slp = 0, d; 2254 int lb, lim; 2255 2256 ISP_LOCK(isp); 2257 while (isp->isp_osinfo.is_exiting == 0) { 2258 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2259 "Chan %d Checking FC state", chan); 2260 lb = isp_fc_runstate(isp, chan, 250000); 2261 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2262 "Chan %d FC got to %s state", chan, 2263 isp_fc_loop_statename(lb)); 2264 2265 /* 2266 * Our action is different based upon whether we're supporting 2267 * Initiator mode or not. If we are, we might freeze the simq 2268 * when loop is down and set all sorts of different delays to 2269 * check again. 2270 * 2271 * If not, we simply just wait for loop to come up. 2272 */ 2273 if (lb == LOOP_READY || lb < 0) { 2274 slp = 0; 2275 } else { 2276 /* 2277 * If we've never seen loop up and we've waited longer 2278 * than quickboot time, or we've seen loop up but we've 2279 * waited longer than loop_down_limit, give up and go 2280 * to sleep until loop comes up. 2281 */ 2282 if (fc->loop_seen_once == 0) 2283 lim = isp_quickboot_time; 2284 else 2285 lim = fc->loop_down_limit; 2286 d = time_uptime - fc->loop_down_time; 2287 if (d >= lim) 2288 slp = 0; 2289 else if (d < 10) 2290 slp = 1; 2291 else if (d < 30) 2292 slp = 5; 2293 else if (d < 60) 2294 slp = 10; 2295 else if (d < 120) 2296 slp = 20; 2297 else 2298 slp = 30; 2299 } 2300 2301 if (slp == 0) { 2302 if (lb == LOOP_READY) 2303 isp_loop_up(isp, chan); 2304 else 2305 isp_loop_dead(isp, chan); 2306 } 2307 2308 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2309 "Chan %d sleep for %d seconds", chan, slp); 2310 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2311 } 2312 fc->num_threads -= 1; 2313 wakeup(&fc->num_threads); 2314 ISP_UNLOCK(isp); 2315 kthread_exit(); 2316 } 2317 2318 #ifdef ISP_TARGET_MODE 2319 static void 2320 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2321 { 2322 atio_private_data_t *atp; 2323 union ccb *accb = ccb->cab.abort_ccb; 2324 struct ccb_hdr *sccb; 2325 tstate_t *tptr; 2326 2327 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2328 if (tptr != NULL) { 2329 /* Search for the ATIO among queueued. */ 2330 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2331 if (sccb != &accb->ccb_h) 2332 continue; 2333 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2334 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2335 "Abort FREE ATIO\n"); 2336 accb->ccb_h.status = CAM_REQ_ABORTED; 2337 xpt_done(accb); 2338 ccb->ccb_h.status = CAM_REQ_CMP; 2339 return; 2340 } 2341 } 2342 2343 /* Search for the ATIO among running. */ 2344 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2345 if (atp != NULL) { 2346 /* Send TERMINATE to firmware. */ 2347 if (!atp->dead) { 2348 uint8_t storage[QENTRY_LEN]; 2349 ct7_entry_t *cto = (ct7_entry_t *) storage; 2350 2351 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2352 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2353 cto->ct_header.rqs_entry_count = 1; 2354 cto->ct_nphdl = atp->nphdl; 2355 cto->ct_rxid = atp->tag; 2356 cto->ct_iid_lo = atp->sid; 2357 cto->ct_iid_hi = atp->sid >> 16; 2358 cto->ct_oxid = atp->oxid; 2359 cto->ct_vpidx = XS_CHANNEL(accb); 2360 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2361 isp_target_put_entry(isp, cto); 2362 } 2363 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2364 ccb->ccb_h.status = CAM_REQ_CMP; 2365 } else { 2366 ccb->ccb_h.status = CAM_UA_ABORT; 2367 } 2368 } 2369 2370 static void 2371 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2372 { 2373 inot_private_data_t *ntp; 2374 union ccb *accb = ccb->cab.abort_ccb; 2375 struct ccb_hdr *sccb; 2376 tstate_t *tptr; 2377 2378 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2379 if (tptr != NULL) { 2380 /* Search for the INOT among queueued. */ 2381 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2382 if (sccb != &accb->ccb_h) 2383 continue; 2384 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2385 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2386 "Abort FREE INOT\n"); 2387 accb->ccb_h.status = CAM_REQ_ABORTED; 2388 xpt_done(accb); 2389 ccb->ccb_h.status = CAM_REQ_CMP; 2390 return; 2391 } 2392 } 2393 2394 /* Search for the INOT among running. */ 2395 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2396 if (ntp != NULL) { 2397 if (ntp->nt.nt_need_ack) { 2398 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2399 ntp->nt.nt_lreserved); 2400 } 2401 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2402 ccb->ccb_h.status = CAM_REQ_CMP; 2403 } else { 2404 ccb->ccb_h.status = CAM_UA_ABORT; 2405 return; 2406 } 2407 } 2408 #endif 2409 2410 static void 2411 isp_action(struct cam_sim *sim, union ccb *ccb) 2412 { 2413 int bus, tgt, error; 2414 ispsoftc_t *isp; 2415 fcparam *fcp; 2416 struct ccb_trans_settings *cts; 2417 sbintime_t ts; 2418 2419 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2420 2421 isp = (ispsoftc_t *)cam_sim_softc(sim); 2422 ISP_ASSERT_LOCKED(isp); 2423 bus = cam_sim_bus(sim); 2424 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2425 ISP_PCMD(ccb) = NULL; 2426 2427 switch (ccb->ccb_h.func_code) { 2428 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2429 /* 2430 * Do a couple of preliminary checks... 2431 */ 2432 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2433 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2434 ccb->ccb_h.status = CAM_REQ_INVALID; 2435 isp_done((struct ccb_scsiio *) ccb); 2436 break; 2437 } 2438 } 2439 #ifdef DIAGNOSTIC 2440 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 2441 xpt_print(ccb->ccb_h.path, "invalid target\n"); 2442 ccb->ccb_h.status = CAM_PATH_INVALID; 2443 } 2444 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 2445 xpt_done(ccb); 2446 break; 2447 } 2448 #endif 2449 ccb->csio.scsi_status = SCSI_STATUS_OK; 2450 if (isp_get_pcmd(isp, ccb)) { 2451 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 2452 cam_freeze_devq(ccb->ccb_h.path); 2453 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 2454 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2455 xpt_done(ccb); 2456 break; 2457 } 2458 error = isp_start((XS_T *) ccb); 2459 isp_rq_check_above(isp); 2460 switch (error) { 2461 case 0: 2462 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2463 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 2464 break; 2465 /* Give firmware extra 10s to handle timeout. */ 2466 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 2467 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 2468 isp_watchdog, ccb, 0); 2469 break; 2470 case CMD_RQLATER: 2471 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 2472 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 2473 cam_freeze_devq(ccb->ccb_h.path); 2474 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 2475 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2476 isp_free_pcmd(isp, ccb); 2477 xpt_done(ccb); 2478 break; 2479 case CMD_EAGAIN: 2480 isp_free_pcmd(isp, ccb); 2481 cam_freeze_devq(ccb->ccb_h.path); 2482 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 10, 0); 2483 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2484 xpt_done(ccb); 2485 break; 2486 case CMD_COMPLETE: 2487 isp_done((struct ccb_scsiio *) ccb); 2488 break; 2489 default: 2490 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 2491 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2492 isp_free_pcmd(isp, ccb); 2493 xpt_done(ccb); 2494 } 2495 break; 2496 2497 #ifdef ISP_TARGET_MODE 2498 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 2499 if (ccb->cel.enable) { 2500 isp_enable_lun(isp, ccb); 2501 } else { 2502 isp_disable_lun(isp, ccb); 2503 } 2504 break; 2505 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 2506 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 2507 { 2508 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 2509 if (tptr == NULL) { 2510 const char *str; 2511 2512 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 2513 str = "XPT_IMMEDIATE_NOTIFY"; 2514 else 2515 str = "XPT_ACCEPT_TARGET_IO"; 2516 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 2517 "%s: no state pointer found for %s\n", 2518 __func__, str); 2519 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2520 xpt_done(ccb); 2521 break; 2522 } 2523 2524 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 2525 ccb->atio.tag_id = 0; 2526 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 2527 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 2528 "Put FREE ATIO\n"); 2529 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 2530 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 2531 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 2532 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 2533 "Put FREE INOT\n"); 2534 } 2535 ccb->ccb_h.status = CAM_REQ_INPROG; 2536 break; 2537 } 2538 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 2539 { 2540 inot_private_data_t *ntp; 2541 2542 /* 2543 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 2544 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 2545 */ 2546 /* 2547 * All the relevant path information is in the associated immediate notify 2548 */ 2549 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); 2550 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 2551 if (ntp == NULL) { 2552 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__, 2553 ccb->cna2.tag_id, ccb->cna2.seq_id); 2554 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2555 xpt_done(ccb); 2556 break; 2557 } 2558 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 2559 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 2560 cam_freeze_devq(ccb->ccb_h.path); 2561 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 2562 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2563 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 2564 break; 2565 } 2566 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 2567 ccb->ccb_h.status = CAM_REQ_CMP; 2568 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); 2569 xpt_done(ccb); 2570 break; 2571 } 2572 case XPT_CONT_TARGET_IO: 2573 isp_target_start_ctio(isp, ccb, FROM_CAM); 2574 isp_rq_check_above(isp); 2575 break; 2576 #endif 2577 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 2578 tgt = ccb->ccb_h.target_id; 2579 tgt |= (bus << 16); 2580 2581 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 2582 if (error) { 2583 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2584 } else { 2585 /* 2586 * If we have a FC device, reset the Command 2587 * Reference Number, because the target will expect 2588 * that we re-start the CRN at 1 after a reset. 2589 */ 2590 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2591 2592 ccb->ccb_h.status = CAM_REQ_CMP; 2593 } 2594 xpt_done(ccb); 2595 break; 2596 case XPT_ABORT: /* Abort the specified CCB */ 2597 { 2598 union ccb *accb = ccb->cab.abort_ccb; 2599 switch (accb->ccb_h.func_code) { 2600 #ifdef ISP_TARGET_MODE 2601 case XPT_ACCEPT_TARGET_IO: 2602 isp_abort_atio(isp, ccb); 2603 break; 2604 case XPT_IMMEDIATE_NOTIFY: 2605 isp_abort_inot(isp, ccb); 2606 break; 2607 #endif 2608 case XPT_SCSI_IO: 2609 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 2610 if (error) { 2611 ccb->ccb_h.status = CAM_UA_ABORT; 2612 } else { 2613 ccb->ccb_h.status = CAM_REQ_CMP; 2614 } 2615 break; 2616 default: 2617 ccb->ccb_h.status = CAM_REQ_INVALID; 2618 break; 2619 } 2620 /* 2621 * This is not a queued CCB, so the caller expects it to be 2622 * complete when control is returned. 2623 */ 2624 break; 2625 } 2626 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 2627 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 2628 cts = &ccb->cts; 2629 if (!IS_CURRENT_SETTINGS(cts)) { 2630 ccb->ccb_h.status = CAM_REQ_INVALID; 2631 xpt_done(ccb); 2632 break; 2633 } 2634 ccb->ccb_h.status = CAM_REQ_CMP; 2635 xpt_done(ccb); 2636 break; 2637 case XPT_GET_TRAN_SETTINGS: 2638 { 2639 struct ccb_trans_settings_scsi *scsi; 2640 struct ccb_trans_settings_fc *fc; 2641 2642 cts = &ccb->cts; 2643 scsi = &cts->proto_specific.scsi; 2644 fc = &cts->xport_specific.fc; 2645 tgt = cts->ccb_h.target_id; 2646 fcp = FCPARAM(isp, bus); 2647 2648 cts->protocol = PROTO_SCSI; 2649 cts->protocol_version = SCSI_REV_2; 2650 cts->transport = XPORT_FC; 2651 cts->transport_version = 0; 2652 2653 scsi->valid = CTS_SCSI_VALID_TQ; 2654 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2655 fc->valid = CTS_FC_VALID_SPEED; 2656 fc->bitrate = fcp->isp_gbspeed * 100000; 2657 if (tgt < MAX_FC_TARG) { 2658 fcportdb_t *lp = &fcp->portdb[tgt]; 2659 fc->wwnn = lp->node_wwn; 2660 fc->wwpn = lp->port_wwn; 2661 fc->port = lp->portid; 2662 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 2663 } 2664 ccb->ccb_h.status = CAM_REQ_CMP; 2665 xpt_done(ccb); 2666 break; 2667 } 2668 case XPT_CALC_GEOMETRY: 2669 cam_calc_geometry(&ccb->ccg, 1); 2670 xpt_done(ccb); 2671 break; 2672 2673 case XPT_RESET_BUS: /* Reset the specified bus */ 2674 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 2675 if (error) { 2676 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2677 xpt_done(ccb); 2678 break; 2679 } 2680 if (bootverbose) { 2681 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 2682 } 2683 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 2684 ccb->ccb_h.status = CAM_REQ_CMP; 2685 xpt_done(ccb); 2686 break; 2687 2688 case XPT_TERM_IO: /* Terminate the I/O process */ 2689 ccb->ccb_h.status = CAM_REQ_INVALID; 2690 xpt_done(ccb); 2691 break; 2692 2693 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 2694 { 2695 struct ccb_sim_knob *kp = &ccb->knob; 2696 fcparam *fcp = FCPARAM(isp, bus); 2697 2698 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 2699 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 2700 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 2701 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 2702 } 2703 ccb->ccb_h.status = CAM_REQ_CMP; 2704 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 2705 int rchange = 0; 2706 int newrole = 0; 2707 2708 switch (kp->xport_specific.fc.role) { 2709 case KNOB_ROLE_NONE: 2710 if (fcp->role != ISP_ROLE_NONE) { 2711 rchange = 1; 2712 newrole = ISP_ROLE_NONE; 2713 } 2714 break; 2715 case KNOB_ROLE_TARGET: 2716 if (fcp->role != ISP_ROLE_TARGET) { 2717 rchange = 1; 2718 newrole = ISP_ROLE_TARGET; 2719 } 2720 break; 2721 case KNOB_ROLE_INITIATOR: 2722 if (fcp->role != ISP_ROLE_INITIATOR) { 2723 rchange = 1; 2724 newrole = ISP_ROLE_INITIATOR; 2725 } 2726 break; 2727 case KNOB_ROLE_BOTH: 2728 if (fcp->role != ISP_ROLE_BOTH) { 2729 rchange = 1; 2730 newrole = ISP_ROLE_BOTH; 2731 } 2732 break; 2733 } 2734 if (rchange) { 2735 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 2736 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 2737 bus, newrole) != 0) { 2738 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2739 xpt_done(ccb); 2740 break; 2741 } 2742 } 2743 } 2744 xpt_done(ccb); 2745 break; 2746 } 2747 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 2748 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 2749 { 2750 struct ccb_sim_knob *kp = &ccb->knob; 2751 fcparam *fcp = FCPARAM(isp, bus); 2752 2753 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 2754 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 2755 switch (fcp->role) { 2756 case ISP_ROLE_NONE: 2757 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 2758 break; 2759 case ISP_ROLE_TARGET: 2760 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 2761 break; 2762 case ISP_ROLE_INITIATOR: 2763 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 2764 break; 2765 case ISP_ROLE_BOTH: 2766 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 2767 break; 2768 } 2769 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 2770 ccb->ccb_h.status = CAM_REQ_CMP; 2771 xpt_done(ccb); 2772 break; 2773 } 2774 case XPT_PATH_INQ: /* Path routing inquiry */ 2775 { 2776 struct ccb_pathinq *cpi = &ccb->cpi; 2777 2778 cpi->version_num = 1; 2779 #ifdef ISP_TARGET_MODE 2780 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 2781 #else 2782 cpi->target_sprt = 0; 2783 #endif 2784 cpi->hba_eng_cnt = 0; 2785 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 2786 cpi->max_lun = 255; 2787 cpi->bus_id = cam_sim_bus(sim); 2788 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 2789 2790 fcp = FCPARAM(isp, bus); 2791 2792 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 2793 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 2794 2795 /* 2796 * Because our loop ID can shift from time to time, 2797 * make our initiator ID out of range of our bus. 2798 */ 2799 cpi->initiator_id = cpi->max_target + 1; 2800 2801 /* 2802 * Set base transfer capabilities for Fibre Channel, for this HBA. 2803 */ 2804 if (IS_25XX(isp)) 2805 cpi->base_transfer_speed = 8000000; 2806 else 2807 cpi->base_transfer_speed = 4000000; 2808 cpi->hba_inquiry = PI_TAG_ABLE; 2809 cpi->transport = XPORT_FC; 2810 cpi->transport_version = 0; 2811 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 2812 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 2813 cpi->xport_specific.fc.port = fcp->isp_portid; 2814 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 2815 cpi->protocol = PROTO_SCSI; 2816 cpi->protocol_version = SCSI_REV_2; 2817 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2818 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 2819 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 2820 cpi->unit_number = cam_sim_unit(sim); 2821 cpi->ccb_h.status = CAM_REQ_CMP; 2822 xpt_done(ccb); 2823 break; 2824 } 2825 default: 2826 ccb->ccb_h.status = CAM_REQ_INVALID; 2827 xpt_done(ccb); 2828 break; 2829 } 2830 } 2831 2832 void 2833 isp_done(XS_T *sccb) 2834 { 2835 ispsoftc_t *isp = XS_ISP(sccb); 2836 uint32_t status; 2837 2838 if (XS_NOERR(sccb)) 2839 XS_SETERR(sccb, CAM_REQ_CMP); 2840 2841 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 2842 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 2843 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 2844 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 2845 } else { 2846 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 2847 } 2848 } 2849 2850 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2851 status = sccb->ccb_h.status & CAM_STATUS_MASK; 2852 if (status != CAM_REQ_CMP && 2853 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 2854 sccb->ccb_h.status |= CAM_DEV_QFRZN; 2855 xpt_freeze_devq(sccb->ccb_h.path, 1); 2856 } 2857 2858 if (ISP_PCMD(sccb)) { 2859 if (callout_active(&PISP_PCMD(sccb)->wdog)) 2860 callout_stop(&PISP_PCMD(sccb)->wdog); 2861 isp_free_pcmd(isp, (union ccb *) sccb); 2862 } 2863 isp_rq_check_below(isp); 2864 xpt_done((union ccb *) sccb); 2865 } 2866 2867 void 2868 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 2869 { 2870 int bus; 2871 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 2872 char buf[64]; 2873 char *msg = NULL; 2874 target_id_t tgt = 0; 2875 fcportdb_t *lp; 2876 struct isp_fc *fc; 2877 struct ac_contract ac; 2878 struct ac_device_changed *adc; 2879 va_list ap; 2880 2881 switch (cmd) { 2882 case ISPASYNC_LOOP_RESET: 2883 { 2884 uint16_t lipp; 2885 fcparam *fcp; 2886 va_start(ap, cmd); 2887 bus = va_arg(ap, int); 2888 va_end(ap); 2889 2890 lipp = ISP_READ(isp, OUTMAILBOX1); 2891 fcp = FCPARAM(isp, bus); 2892 2893 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp); 2894 /* 2895 * Per FCP-4, a Reset LIP should result in a CRN reset. Other 2896 * LIPs and loop up/down events should never reset the CRN. For 2897 * an as of yet unknown reason, 24xx series cards (and 2898 * potentially others) can interrupt with a LIP Reset status 2899 * when no LIP reset came down the wire. Additionally, the LIP 2900 * primitive accompanying this status would not be a valid LIP 2901 * Reset primitive, but some variation of an invalid AL_PA 2902 * LIP. As a result, we have to verify the AL_PD in the LIP 2903 * addresses our port before blindly resetting. 2904 */ 2905 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF))) 2906 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 2907 isp_loop_changed(isp, bus); 2908 break; 2909 } 2910 case ISPASYNC_LIP: 2911 if (msg == NULL) 2912 msg = "LIP Received"; 2913 /* FALLTHROUGH */ 2914 case ISPASYNC_LOOP_DOWN: 2915 if (msg == NULL) 2916 msg = "LOOP Down"; 2917 /* FALLTHROUGH */ 2918 case ISPASYNC_LOOP_UP: 2919 if (msg == NULL) 2920 msg = "LOOP Up"; 2921 va_start(ap, cmd); 2922 bus = va_arg(ap, int); 2923 va_end(ap); 2924 isp_loop_changed(isp, bus); 2925 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 2926 break; 2927 case ISPASYNC_DEV_ARRIVED: 2928 va_start(ap, cmd); 2929 bus = va_arg(ap, int); 2930 lp = va_arg(ap, fcportdb_t *); 2931 va_end(ap); 2932 fc = ISP_FC_PC(isp, bus); 2933 tgt = FC_PORTDB_TGT(isp, bus, lp); 2934 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 2935 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 2936 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 2937 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 2938 lp->is_target = 1; 2939 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2940 isp_make_here(isp, lp, bus, tgt); 2941 } 2942 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 2943 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 2944 lp->is_initiator = 1; 2945 ac.contract_number = AC_CONTRACT_DEV_CHG; 2946 adc = (struct ac_device_changed *) ac.contract_data; 2947 adc->wwpn = lp->port_wwn; 2948 adc->port = lp->portid; 2949 adc->target = tgt; 2950 adc->arrived = 1; 2951 xpt_async(AC_CONTRACT, fc->path, &ac); 2952 } 2953 break; 2954 case ISPASYNC_DEV_CHANGED: 2955 case ISPASYNC_DEV_STAYED: 2956 { 2957 int crn_reset_done; 2958 2959 crn_reset_done = 0; 2960 va_start(ap, cmd); 2961 bus = va_arg(ap, int); 2962 lp = va_arg(ap, fcportdb_t *); 2963 va_end(ap); 2964 fc = ISP_FC_PC(isp, bus); 2965 tgt = FC_PORTDB_TGT(isp, bus, lp); 2966 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 2967 if (cmd == ISPASYNC_DEV_CHANGED) 2968 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 2969 else 2970 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 2971 2972 if (lp->is_target != 2973 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 2974 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 2975 lp->is_target = !lp->is_target; 2976 if (lp->is_target) { 2977 if (cmd == ISPASYNC_DEV_CHANGED) { 2978 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2979 crn_reset_done = 1; 2980 } 2981 isp_make_here(isp, lp, bus, tgt); 2982 } else { 2983 isp_make_gone(isp, lp, bus, tgt); 2984 if (cmd == ISPASYNC_DEV_CHANGED) { 2985 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2986 crn_reset_done = 1; 2987 } 2988 } 2989 } 2990 if (lp->is_initiator != 2991 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 2992 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 2993 lp->is_initiator = !lp->is_initiator; 2994 ac.contract_number = AC_CONTRACT_DEV_CHG; 2995 adc = (struct ac_device_changed *) ac.contract_data; 2996 adc->wwpn = lp->port_wwn; 2997 adc->port = lp->portid; 2998 adc->target = tgt; 2999 adc->arrived = lp->is_initiator; 3000 xpt_async(AC_CONTRACT, fc->path, &ac); 3001 } 3002 3003 if ((cmd == ISPASYNC_DEV_CHANGED) && 3004 (crn_reset_done == 0)) 3005 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3006 3007 break; 3008 } 3009 case ISPASYNC_DEV_GONE: 3010 va_start(ap, cmd); 3011 bus = va_arg(ap, int); 3012 lp = va_arg(ap, fcportdb_t *); 3013 va_end(ap); 3014 fc = ISP_FC_PC(isp, bus); 3015 tgt = FC_PORTDB_TGT(isp, bus, lp); 3016 /* 3017 * If this has a virtual target or initiator set the isp_gdt 3018 * timer running on it to delay its departure. 3019 */ 3020 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3021 if (lp->is_target || lp->is_initiator) { 3022 lp->state = FC_PORTDB_STATE_ZOMBIE; 3023 lp->gone_timer = fc->gone_device_time; 3024 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 3025 if (fc->ready && !callout_active(&fc->gdt)) { 3026 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); 3027 callout_reset(&fc->gdt, hz, isp_gdt, fc); 3028 } 3029 break; 3030 } 3031 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 3032 break; 3033 case ISPASYNC_CHANGE_NOTIFY: 3034 { 3035 char *msg; 3036 int evt, nphdl, nlstate, portid, reason; 3037 3038 va_start(ap, cmd); 3039 bus = va_arg(ap, int); 3040 evt = va_arg(ap, int); 3041 if (evt == ISPASYNC_CHANGE_PDB) { 3042 nphdl = va_arg(ap, int); 3043 nlstate = va_arg(ap, int); 3044 reason = va_arg(ap, int); 3045 } else if (evt == ISPASYNC_CHANGE_SNS) { 3046 portid = va_arg(ap, int); 3047 } else { 3048 nphdl = NIL_HANDLE; 3049 nlstate = reason = 0; 3050 } 3051 va_end(ap); 3052 3053 if (evt == ISPASYNC_CHANGE_PDB) { 3054 int tgt_set = 0; 3055 msg = "Port Database Changed"; 3056 isp_prt(isp, ISP_LOGINFO, 3057 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3058 bus, msg, nphdl, nlstate, reason); 3059 /* 3060 * Port database syncs are not sufficient for 3061 * determining that logins or logouts are done on the 3062 * loop, but this information is directly available from 3063 * the reason code from the incoming mbox. We must reset 3064 * the fcp crn on these events according to FCP-4 3065 */ 3066 switch (reason) { 3067 case PDB24XX_AE_IMPL_LOGO_1: 3068 case PDB24XX_AE_IMPL_LOGO_2: 3069 case PDB24XX_AE_IMPL_LOGO_3: 3070 case PDB24XX_AE_PLOGI_RCVD: 3071 case PDB24XX_AE_PRLI_RCVD: 3072 case PDB24XX_AE_PRLO_RCVD: 3073 case PDB24XX_AE_LOGO_RCVD: 3074 case PDB24XX_AE_PLOGI_DONE: 3075 case PDB24XX_AE_PRLI_DONE: 3076 /* 3077 * If the event is not global, twiddle tgt and 3078 * tgt_set to nominate only the target 3079 * associated with the nphdl. 3080 */ 3081 if (nphdl != PDB24XX_AE_GLOBAL) { 3082 /* Break if we don't yet have the pdb */ 3083 if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp)) 3084 break; 3085 tgt = FC_PORTDB_TGT(isp, bus, lp); 3086 tgt_set = 1; 3087 } 3088 isp_fcp_reset_crn(isp, bus, tgt, tgt_set); 3089 break; 3090 default: 3091 break; /* NOP */ 3092 } 3093 } else if (evt == ISPASYNC_CHANGE_SNS) { 3094 msg = "Name Server Database Changed"; 3095 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3096 bus, msg, portid); 3097 } else { 3098 msg = "Other Change Notify"; 3099 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3100 } 3101 isp_loop_changed(isp, bus); 3102 break; 3103 } 3104 #ifdef ISP_TARGET_MODE 3105 case ISPASYNC_TARGET_NOTIFY: 3106 { 3107 isp_notify_t *notify; 3108 va_start(ap, cmd); 3109 notify = va_arg(ap, isp_notify_t *); 3110 va_end(ap); 3111 switch (notify->nt_ncode) { 3112 case NT_ABORT_TASK: 3113 case NT_ABORT_TASK_SET: 3114 case NT_CLEAR_ACA: 3115 case NT_CLEAR_TASK_SET: 3116 case NT_LUN_RESET: 3117 case NT_TARGET_RESET: 3118 case NT_QUERY_TASK_SET: 3119 case NT_QUERY_ASYNC_EVENT: 3120 /* 3121 * These are task management functions. 3122 */ 3123 isp_handle_platform_target_tmf(isp, notify); 3124 break; 3125 case NT_LIP_RESET: 3126 case NT_LINK_UP: 3127 case NT_LINK_DOWN: 3128 case NT_HBA_RESET: 3129 /* 3130 * No action need be taken here. 3131 */ 3132 break; 3133 case NT_SRR: 3134 isp_handle_platform_srr(isp, notify); 3135 break; 3136 default: 3137 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3138 isp_handle_platform_target_notify_ack(isp, notify, 0); 3139 break; 3140 } 3141 break; 3142 } 3143 case ISPASYNC_TARGET_NOTIFY_ACK: 3144 { 3145 void *inot; 3146 va_start(ap, cmd); 3147 inot = va_arg(ap, void *); 3148 va_end(ap); 3149 if (isp_notify_ack(isp, inot)) { 3150 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3151 if (tp) { 3152 tp->isp = isp; 3153 memcpy(tp->data, inot, sizeof (tp->data)); 3154 tp->not = tp->data; 3155 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3156 callout_reset(&tp->timer, 5, 3157 isp_refire_notify_ack, tp); 3158 } else { 3159 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3160 } 3161 } 3162 break; 3163 } 3164 case ISPASYNC_TARGET_ACTION: 3165 { 3166 isphdr_t *hp; 3167 3168 va_start(ap, cmd); 3169 hp = va_arg(ap, isphdr_t *); 3170 va_end(ap); 3171 switch (hp->rqs_entry_type) { 3172 case RQSTYPE_ATIO: 3173 isp_handle_platform_atio7(isp, (at7_entry_t *)hp); 3174 break; 3175 case RQSTYPE_CTIO7: 3176 isp_handle_platform_ctio(isp, (ct7_entry_t *)hp); 3177 break; 3178 default: 3179 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3180 __func__, hp->rqs_entry_type); 3181 break; 3182 } 3183 break; 3184 } 3185 #endif 3186 case ISPASYNC_FW_CRASH: 3187 { 3188 uint16_t mbox1; 3189 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3190 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error @ RISC Address 0x%x", mbox1); 3191 #if 0 3192 isp_reinit(isp, 1); 3193 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 3194 #endif 3195 break; 3196 } 3197 default: 3198 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 3199 break; 3200 } 3201 } 3202 3203 uint64_t 3204 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 3205 { 3206 uint64_t seed; 3207 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3208 3209 /* First try to use explicitly configured WWNs. */ 3210 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 3211 if (seed) 3212 return (seed); 3213 3214 /* Otherwise try to use WWNs from NVRAM. */ 3215 if (isactive) { 3216 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 3217 FCPARAM(isp, chan)->isp_wwpn_nvram; 3218 if (seed) 3219 return (seed); 3220 } 3221 3222 /* If still no WWNs, try to steal them from the first channel. */ 3223 if (chan > 0) { 3224 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 3225 ISP_FC_PC(isp, 0)->def_wwpn; 3226 if (seed == 0) { 3227 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 3228 FCPARAM(isp, 0)->isp_wwpn_nvram; 3229 } 3230 } 3231 3232 /* If still nothing -- improvise. */ 3233 if (seed == 0) { 3234 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 3235 if (!iswwnn) 3236 seed ^= 0x0100000000000000ULL; 3237 } 3238 3239 /* For additional channels we have to improvise even more. */ 3240 if (!iswwnn && chan > 0) { 3241 /* 3242 * We'll stick our channel number plus one first into bits 3243 * 57..59 and thence into bits 52..55 which allows for 8 bits 3244 * of channel which is enough for our maximum of 255 channels. 3245 */ 3246 seed ^= 0x0100000000000000ULL; 3247 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 3248 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 3249 } 3250 return (seed); 3251 } 3252 3253 void 3254 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 3255 { 3256 int loc; 3257 char lbuf[200]; 3258 va_list ap; 3259 3260 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3261 return; 3262 } 3263 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 3264 loc = strlen(lbuf); 3265 va_start(ap, fmt); 3266 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 3267 va_end(ap); 3268 printf("%s\n", lbuf); 3269 } 3270 3271 void 3272 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 3273 { 3274 va_list ap; 3275 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3276 return; 3277 } 3278 xpt_print_path(xs->ccb_h.path); 3279 va_start(ap, fmt); 3280 vprintf(fmt, ap); 3281 va_end(ap); 3282 printf("\n"); 3283 } 3284 3285 uint64_t 3286 isp_nanotime_sub(struct timespec *b, struct timespec *a) 3287 { 3288 uint64_t elapsed; 3289 struct timespec x; 3290 3291 timespecsub(b, a, &x); 3292 elapsed = GET_NANOSEC(&x); 3293 if (elapsed == 0) 3294 elapsed++; 3295 return (elapsed); 3296 } 3297 3298 int 3299 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 3300 { 3301 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3302 3303 if (fc->fcbsy) 3304 return (-1); 3305 fc->fcbsy = 1; 3306 return (0); 3307 } 3308 3309 void 3310 isp_platform_intr(void *arg) 3311 { 3312 ispsoftc_t *isp = arg; 3313 3314 ISP_LOCK(isp); 3315 ISP_RUN_ISR(isp); 3316 ISP_UNLOCK(isp); 3317 } 3318 3319 void 3320 isp_platform_intr_resp(void *arg) 3321 { 3322 ispsoftc_t *isp = arg; 3323 3324 ISP_LOCK(isp); 3325 isp_intr_respq(isp); 3326 ISP_UNLOCK(isp); 3327 3328 /* We have handshake enabled, so explicitly complete interrupt */ 3329 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 3330 } 3331 3332 void 3333 isp_platform_intr_atio(void *arg) 3334 { 3335 ispsoftc_t *isp = arg; 3336 3337 ISP_LOCK(isp); 3338 #ifdef ISP_TARGET_MODE 3339 isp_intr_atioq(isp); 3340 #endif 3341 ISP_UNLOCK(isp); 3342 3343 /* We have handshake enabled, so explicitly complete interrupt */ 3344 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 3345 } 3346 3347 typedef struct { 3348 ispsoftc_t *isp; 3349 struct ccb_scsiio *csio; 3350 void *qe; 3351 int error; 3352 } mush_t; 3353 3354 static void 3355 isp_dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 3356 { 3357 mush_t *mp = (mush_t *) arg; 3358 ispsoftc_t *isp= mp->isp; 3359 struct ccb_scsiio *csio = mp->csio; 3360 bus_dmasync_op_t op; 3361 3362 if (error) { 3363 mp->error = error; 3364 return; 3365 } 3366 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ 3367 ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) 3368 op = BUS_DMASYNC_PREREAD; 3369 else 3370 op = BUS_DMASYNC_PREWRITE; 3371 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op); 3372 3373 mp->error = ISP_SEND_CMD(isp, mp->qe, dm_segs, nseg); 3374 if (mp->error) 3375 isp_dmafree(isp, csio); 3376 } 3377 3378 int 3379 isp_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *qe) 3380 { 3381 mush_t mp; 3382 int error; 3383 3384 if (XS_XFRLEN(csio)) { 3385 mp.isp = isp; 3386 mp.csio = csio; 3387 mp.qe = qe; 3388 mp.error = 0; 3389 error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, 3390 (union ccb *)csio, isp_dma2, &mp, BUS_DMA_NOWAIT); 3391 if (error == 0) 3392 error = mp.error; 3393 } else { 3394 error = ISP_SEND_CMD(isp, qe, NULL, 0); 3395 } 3396 switch (error) { 3397 case 0: 3398 case CMD_COMPLETE: 3399 case CMD_EAGAIN: 3400 case CMD_RQLATER: 3401 break; 3402 case ENOMEM: 3403 error = CMD_EAGAIN; 3404 break; 3405 case EINVAL: 3406 case EFBIG: 3407 csio->ccb_h.status = CAM_REQ_INVALID; 3408 error = CMD_COMPLETE; 3409 break; 3410 default: 3411 csio->ccb_h.status = CAM_UNREC_HBA_ERROR; 3412 error = CMD_COMPLETE; 3413 break; 3414 } 3415 return (error); 3416 } 3417 3418 void 3419 isp_dmafree(ispsoftc_t *isp, struct ccb_scsiio *csio) 3420 { 3421 bus_dmasync_op_t op; 3422 3423 if (XS_XFRLEN(csio) == 0) 3424 return; 3425 3426 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ 3427 ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) 3428 op = BUS_DMASYNC_POSTREAD; 3429 else 3430 op = BUS_DMASYNC_POSTWRITE; 3431 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op); 3432 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 3433 } 3434 3435 /* 3436 * Reset the command reference number for all LUNs on a specific target 3437 * (needed when a target arrives again) or for all targets on a port 3438 * (needed for events like a LIP). 3439 */ 3440 void 3441 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 3442 { 3443 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3444 struct isp_nexus *nxp; 3445 int i; 3446 3447 if (tgt_set == 0) 3448 isp_prt(isp, ISP_LOGDEBUG0, 3449 "Chan %d resetting CRN on all targets", chan); 3450 else 3451 isp_prt(isp, ISP_LOGDEBUG0, 3452 "Chan %d resetting CRN on target %u", chan, tgt); 3453 3454 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 3455 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 3456 if (tgt_set == 0 || tgt == nxp->tgt) 3457 nxp->crnseed = 0; 3458 } 3459 } 3460 } 3461 3462 int 3463 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 3464 { 3465 lun_id_t lun; 3466 uint32_t chan, tgt; 3467 struct isp_fc *fc; 3468 struct isp_nexus *nxp; 3469 int idx; 3470 3471 chan = XS_CHANNEL(cmd); 3472 tgt = XS_TGT(cmd); 3473 lun = XS_LUN(cmd); 3474 fc = ISP_FC_PC(isp, chan); 3475 idx = NEXUS_HASH(tgt, lun); 3476 nxp = fc->nexus_hash[idx]; 3477 3478 while (nxp) { 3479 if (nxp->tgt == tgt && nxp->lun == lun) 3480 break; 3481 nxp = nxp->next; 3482 } 3483 if (nxp == NULL) { 3484 nxp = fc->nexus_free_list; 3485 if (nxp == NULL) { 3486 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 3487 if (nxp == NULL) { 3488 return (-1); 3489 } 3490 } else { 3491 fc->nexus_free_list = nxp->next; 3492 } 3493 nxp->tgt = tgt; 3494 nxp->lun = lun; 3495 nxp->next = fc->nexus_hash[idx]; 3496 fc->nexus_hash[idx] = nxp; 3497 } 3498 if (nxp->crnseed == 0) 3499 nxp->crnseed = 1; 3500 *crnp = nxp->crnseed++; 3501 return (0); 3502 } 3503 3504 /* 3505 * We enter with the lock held 3506 */ 3507 void 3508 isp_timer(void *arg) 3509 { 3510 ispsoftc_t *isp = arg; 3511 #ifdef ISP_TARGET_MODE 3512 isp_tmcmd_restart(isp); 3513 #endif 3514 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 3515 } 3516 3517 #ifdef ISP_TARGET_MODE 3518 isp_ecmd_t * 3519 isp_get_ecmd(ispsoftc_t *isp) 3520 { 3521 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 3522 if (ecmd) { 3523 isp->isp_osinfo.ecmd_free = ecmd->next; 3524 } 3525 return (ecmd); 3526 } 3527 3528 void 3529 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 3530 { 3531 ecmd->next = isp->isp_osinfo.ecmd_free; 3532 isp->isp_osinfo.ecmd_free = ecmd; 3533 } 3534 #endif 3535