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 struct cam_sim *sim; 113 struct cam_path *path; 114 #ifdef ISP_TARGET_MODE 115 int i; 116 #endif 117 118 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 119 device_get_unit(isp->isp_dev), &isp->isp_lock, 120 isp->isp_maxcmds, isp->isp_maxcmds, devq); 121 if (sim == NULL) 122 return (ENOMEM); 123 124 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 125 cam_sim_free(sim, FALSE); 126 return (EIO); 127 } 128 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 129 xpt_bus_deregister(cam_sim_path(sim)); 130 cam_sim_free(sim, FALSE); 131 return (ENXIO); 132 } 133 134 fcparam *fcp = FCPARAM(isp, chan); 135 struct isp_fc *fc = ISP_FC_PC(isp, chan); 136 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 137 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 138 char name[16]; 139 140 ISP_LOCK(isp); 141 fc->sim = sim; 142 fc->path = path; 143 fc->isp = isp; 144 fc->ready = 1; 145 fcp->isp_use_gft_id = 1; 146 fcp->isp_use_gff_id = 1; 147 148 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0); 149 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 150 #ifdef ISP_TARGET_MODE 151 TAILQ_INIT(&fc->waitq); 152 STAILQ_INIT(&fc->ntfree); 153 for (i = 0; i < ATPDPSIZE; i++) 154 STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next); 155 LIST_INIT(&fc->atfree); 156 for (i = ATPDPSIZE-1; i >= 0; i--) 157 LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next); 158 for (i = 0; i < ATPDPHASHSIZE; i++) 159 LIST_INIT(&fc->atused[i]); 160 #endif 161 isp_loop_changed(isp, chan); 162 ISP_UNLOCK(isp); 163 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0, 164 "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 165 xpt_free_path(fc->path); 166 xpt_bus_deregister(cam_sim_path(fc->sim)); 167 cam_sim_free(fc->sim, FALSE); 168 return (ENOMEM); 169 } 170 fc->num_threads += 1; 171 if (chan > 0) { 172 snprintf(name, sizeof(name), "chan%d", chan); 173 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 174 OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 175 "Virtual channel"); 176 } 177 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 178 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 179 "World Wide Node Name"); 180 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 181 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 182 "World Wide Port Name"); 183 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 184 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 185 "Loop Down Limit"); 186 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 187 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 188 "Gone Device Time"); 189 #if defined(ISP_TARGET_MODE) && defined(DEBUG) 190 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 191 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 192 "Cause a Lost Frame on a Read"); 193 #endif 194 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 195 "role", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 196 isp, chan, isp_role_sysctl, "I", "Current role"); 197 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 198 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 199 "Connection speed in gigabits"); 200 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 201 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 202 "Link state"); 203 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 204 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 205 "Firmware state"); 206 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 207 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 208 "Loop state"); 209 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 210 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 211 "Connection topology"); 212 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 213 "use_gft_id", CTLFLAG_RWTUN, &fcp->isp_use_gft_id, 0, 214 "Use GFT_ID during fabric scan"); 215 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 216 "use_gff_id", CTLFLAG_RWTUN, &fcp->isp_use_gff_id, 0, 217 "Use GFF_ID during fabric scan"); 218 return (0); 219 } 220 221 static void 222 isp_detach_chan(ispsoftc_t *isp, int chan) 223 { 224 struct cam_sim *sim; 225 struct cam_path *path; 226 int *num_threads; 227 228 ISP_GET_PC(isp, chan, sim, sim); 229 ISP_GET_PC(isp, chan, path, path); 230 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 231 232 xpt_free_path(path); 233 xpt_bus_deregister(cam_sim_path(sim)); 234 cam_sim_free(sim, FALSE); 235 236 /* Wait for the channel's spawned threads to exit. */ 237 wakeup(isp->isp_osinfo.pc.ptr); 238 while (*num_threads != 0) 239 mtx_sleep(isp, &isp->isp_lock, PRIBIO, "isp_reap", 100); 240 } 241 242 int 243 isp_attach(ispsoftc_t *isp) 244 { 245 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 246 int du = device_get_unit(isp->isp_dev); 247 int chan; 248 249 /* 250 * Create the device queue for our SIM(s). 251 */ 252 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 253 if (isp->isp_osinfo.devq == NULL) { 254 return (EIO); 255 } 256 257 for (chan = 0; chan < isp->isp_nchan; chan++) { 258 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 259 goto unwind; 260 } 261 } 262 263 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0); 264 isp_timer_count = hz >> 2; 265 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 266 267 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 268 if (isp->isp_osinfo.cdev) { 269 isp->isp_osinfo.cdev->si_drv1 = isp; 270 } 271 return (0); 272 273 unwind: 274 while (--chan >= 0) { 275 struct cam_sim *sim; 276 struct cam_path *path; 277 278 ISP_GET_PC(isp, chan, sim, sim); 279 ISP_GET_PC(isp, chan, path, path); 280 xpt_free_path(path); 281 xpt_bus_deregister(cam_sim_path(sim)); 282 cam_sim_free(sim, FALSE); 283 } 284 cam_simq_free(isp->isp_osinfo.devq); 285 isp->isp_osinfo.devq = NULL; 286 return (-1); 287 } 288 289 int 290 isp_detach(ispsoftc_t *isp) 291 { 292 int chan; 293 294 if (isp->isp_osinfo.cdev) { 295 destroy_dev(isp->isp_osinfo.cdev); 296 isp->isp_osinfo.cdev = NULL; 297 } 298 ISP_LOCK(isp); 299 /* Tell spawned threads that we're exiting. */ 300 isp->isp_osinfo.is_exiting = 1; 301 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 302 isp_detach_chan(isp, chan); 303 ISP_UNLOCK(isp); 304 callout_drain(&isp->isp_osinfo.tmo); 305 cam_simq_free(isp->isp_osinfo.devq); 306 return (0); 307 } 308 309 static void 310 isp_freeze_loopdown(ispsoftc_t *isp, int chan) 311 { 312 struct isp_fc *fc = ISP_FC_PC(isp, chan); 313 314 if (fc->sim == NULL) 315 return; 316 if (fc->simqfrozen == 0) { 317 isp_prt(isp, ISP_LOGDEBUG0, 318 "Chan %d Freeze simq (loopdown)", chan); 319 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 320 xpt_hold_boot(); 321 xpt_freeze_simq(fc->sim, 1); 322 } else { 323 isp_prt(isp, ISP_LOGDEBUG0, 324 "Chan %d Mark simq frozen (loopdown)", chan); 325 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 326 } 327 } 328 329 static void 330 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 331 { 332 struct isp_fc *fc = ISP_FC_PC(isp, chan); 333 334 if (fc->sim == NULL) 335 return; 336 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 337 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 338 if (wasfrozen && fc->simqfrozen == 0) { 339 isp_prt(isp, ISP_LOGDEBUG0, 340 "Chan %d Release simq", chan); 341 xpt_release_simq(fc->sim, 1); 342 xpt_release_boot(); 343 } 344 } 345 346 /* 347 * Functions to protect from request queue overflow by freezing SIM queue. 348 * XXX: freezing only one arbitrary SIM, since they all share the queue. 349 */ 350 static void 351 isp_rq_check_above(ispsoftc_t *isp) 352 { 353 struct isp_fc *fc = ISP_FC_PC(isp, 0); 354 355 if (isp->isp_rqovf || fc->sim == NULL) 356 return; 357 if (!isp_rqentry_avail(isp, QENTRY_MAX)) { 358 xpt_freeze_simq(fc->sim, 1); 359 isp->isp_rqovf = 1; 360 } 361 } 362 363 static void 364 isp_rq_check_below(ispsoftc_t *isp) 365 { 366 struct isp_fc *fc = ISP_FC_PC(isp, 0); 367 368 if (!isp->isp_rqovf || fc->sim == NULL) 369 return; 370 if (isp_rqentry_avail(isp, QENTRY_MAX)) { 371 xpt_release_simq(fc->sim, 0); 372 isp->isp_rqovf = 0; 373 } 374 } 375 376 static int 377 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 378 { 379 ispsoftc_t *isp; 380 int nr, chan, retval = ENOTTY; 381 382 isp = dev->si_drv1; 383 384 switch (c) { 385 case ISP_SDBLEV: 386 { 387 int olddblev = isp->isp_dblev; 388 isp->isp_dblev = *(int *)addr; 389 *(int *)addr = olddblev; 390 retval = 0; 391 break; 392 } 393 case ISP_GETROLE: 394 chan = *(int *)addr; 395 if (chan < 0 || chan >= isp->isp_nchan) { 396 retval = -ENXIO; 397 break; 398 } 399 *(int *)addr = FCPARAM(isp, chan)->role; 400 retval = 0; 401 break; 402 case ISP_SETROLE: 403 nr = *(int *)addr; 404 chan = nr >> 8; 405 if (chan < 0 || chan >= isp->isp_nchan) { 406 retval = -ENXIO; 407 break; 408 } 409 nr &= 0xff; 410 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 411 retval = EINVAL; 412 break; 413 } 414 ISP_LOCK(isp); 415 *(int *)addr = FCPARAM(isp, chan)->role; 416 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 417 ISP_UNLOCK(isp); 418 retval = 0; 419 break; 420 421 case ISP_RESETHBA: 422 ISP_LOCK(isp); 423 isp_reinit(isp, 0); 424 ISP_UNLOCK(isp); 425 retval = 0; 426 break; 427 428 case ISP_RESCAN: 429 chan = *(intptr_t *)addr; 430 if (chan < 0 || chan >= isp->isp_nchan) { 431 retval = -ENXIO; 432 break; 433 } 434 ISP_LOCK(isp); 435 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 436 retval = EIO; 437 } else { 438 retval = 0; 439 } 440 ISP_UNLOCK(isp); 441 break; 442 443 case ISP_FC_LIP: 444 chan = *(intptr_t *)addr; 445 if (chan < 0 || chan >= isp->isp_nchan) { 446 retval = -ENXIO; 447 break; 448 } 449 ISP_LOCK(isp); 450 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 451 retval = EIO; 452 } else { 453 retval = 0; 454 } 455 ISP_UNLOCK(isp); 456 break; 457 case ISP_FC_GETDINFO: 458 { 459 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 460 fcportdb_t *lp; 461 462 if (ifc->loopid >= MAX_FC_TARG) { 463 retval = EINVAL; 464 break; 465 } 466 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 467 if (lp->state != FC_PORTDB_STATE_NIL) { 468 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 469 ifc->loopid = lp->handle; 470 ifc->portid = lp->portid; 471 ifc->node_wwn = lp->node_wwn; 472 ifc->port_wwn = lp->port_wwn; 473 retval = 0; 474 } else { 475 retval = ENODEV; 476 } 477 break; 478 } 479 case ISP_FC_GETHINFO: 480 { 481 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 482 int chan = hba->fc_channel; 483 484 if (chan < 0 || chan >= isp->isp_nchan) { 485 retval = ENXIO; 486 break; 487 } 488 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 489 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 490 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 491 hba->fc_nchannels = isp->isp_nchan; 492 hba->fc_nports = MAX_FC_TARG; 493 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 494 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 495 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 496 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 497 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 498 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 499 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 500 retval = 0; 501 break; 502 } 503 case ISP_TSK_MGMT: 504 { 505 int needmarker; 506 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 507 uint16_t nphdl; 508 void *reqp; 509 uint8_t resp[QENTRY_LEN]; 510 isp24xx_tmf_t tmf; 511 isp24xx_statusreq_t sp; 512 fcparam *fcp; 513 fcportdb_t *lp; 514 int i; 515 516 chan = fct->chan; 517 if (chan < 0 || chan >= isp->isp_nchan) { 518 retval = -ENXIO; 519 break; 520 } 521 522 needmarker = retval = 0; 523 nphdl = fct->loopid; 524 ISP_LOCK(isp); 525 fcp = FCPARAM(isp, chan); 526 527 for (i = 0; i < MAX_FC_TARG; i++) { 528 lp = &fcp->portdb[i]; 529 if (lp->handle == nphdl) { 530 break; 531 } 532 } 533 if (i == MAX_FC_TARG) { 534 retval = ENXIO; 535 ISP_UNLOCK(isp); 536 break; 537 } 538 ISP_MEMZERO(&tmf, sizeof(tmf)); 539 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 540 tmf.tmf_header.rqs_entry_count = 1; 541 tmf.tmf_nphdl = lp->handle; 542 tmf.tmf_delay = 2; 543 tmf.tmf_timeout = 4; 544 tmf.tmf_tidlo = lp->portid; 545 tmf.tmf_tidhi = lp->portid >> 16; 546 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 547 tmf.tmf_lun[1] = fct->lun & 0xff; 548 if (fct->lun >= 256) { 549 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 550 } 551 switch (fct->action) { 552 case IPT_CLEAR_ACA: 553 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 554 break; 555 case IPT_TARGET_RESET: 556 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 557 needmarker = 1; 558 break; 559 case IPT_LUN_RESET: 560 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 561 needmarker = 1; 562 break; 563 case IPT_CLEAR_TASK_SET: 564 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 565 needmarker = 1; 566 break; 567 case IPT_ABORT_TASK_SET: 568 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 569 needmarker = 1; 570 break; 571 default: 572 retval = EINVAL; 573 break; 574 } 575 if (retval) { 576 ISP_UNLOCK(isp); 577 break; 578 } 579 580 /* Prepare space for response in memory */ 581 memset(resp, 0xff, sizeof(resp)); 582 tmf.tmf_handle = isp_allocate_handle(isp, resp, 583 ISP_HANDLE_CTRL); 584 if (tmf.tmf_handle == 0) { 585 isp_prt(isp, ISP_LOGERR, 586 "%s: TMF of Chan %d out of handles", 587 __func__, chan); 588 ISP_UNLOCK(isp); 589 retval = ENOMEM; 590 break; 591 } 592 593 /* Send request and wait for response. */ 594 reqp = isp_getrqentry(isp); 595 if (reqp == NULL) { 596 isp_prt(isp, ISP_LOGERR, 597 "%s: TMF of Chan %d out of rqent", 598 __func__, chan); 599 isp_destroy_handle(isp, tmf.tmf_handle); 600 ISP_UNLOCK(isp); 601 retval = EIO; 602 break; 603 } 604 isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp); 605 if (isp->isp_dblev & ISP_LOGDEBUG1) 606 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp); 607 ISP_SYNC_REQUEST(isp); 608 if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) { 609 isp_prt(isp, ISP_LOGERR, 610 "%s: TMF of Chan %d timed out", 611 __func__, chan); 612 isp_destroy_handle(isp, tmf.tmf_handle); 613 ISP_UNLOCK(isp); 614 retval = EIO; 615 break; 616 } 617 if (isp->isp_dblev & ISP_LOGDEBUG1) 618 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp); 619 isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp); 620 621 if (sp.req_completion_status != 0) 622 retval = EIO; 623 else if (needmarker) 624 fcp->sendmarker = 1; 625 ISP_UNLOCK(isp); 626 break; 627 } 628 default: 629 break; 630 } 631 return (retval); 632 } 633 634 /* 635 * Local Inlines 636 */ 637 638 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 639 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 640 641 static ISP_INLINE int 642 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 643 { 644 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 645 if (ISP_PCMD(ccb) == NULL) { 646 return (-1); 647 } 648 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 649 return (0); 650 } 651 652 static ISP_INLINE void 653 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 654 { 655 if (ISP_PCMD(ccb)) { 656 #ifdef ISP_TARGET_MODE 657 PISP_PCMD(ccb)->datalen = 0; 658 #endif 659 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 660 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 661 ISP_PCMD(ccb) = NULL; 662 } 663 } 664 665 /* 666 * Put the target mode functions here, because some are inlines 667 */ 668 #ifdef ISP_TARGET_MODE 669 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 670 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 671 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 672 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 673 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 674 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 675 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 676 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 677 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 678 static void isp_enable_lun(ispsoftc_t *, union ccb *); 679 static void isp_disable_lun(ispsoftc_t *, union ccb *); 680 static callout_func_t isp_refire_notify_ack; 681 static void isp_complete_ctio(ispsoftc_t *isp, union ccb *); 682 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 683 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 684 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 685 static void isp_handle_platform_ctio(ispsoftc_t *, ct7_entry_t *); 686 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 687 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 688 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 689 690 static ISP_INLINE tstate_t * 691 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 692 { 693 tstate_t *tptr = NULL; 694 struct tslist *lhp; 695 696 if (bus < isp->isp_nchan) { 697 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 698 SLIST_FOREACH(tptr, lhp, next) { 699 if (tptr->ts_lun == lun) 700 return (tptr); 701 } 702 } 703 return (NULL); 704 } 705 706 static int 707 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 708 { 709 inot_private_data_t *ntp; 710 struct ntpdlist rq; 711 712 if (STAILQ_EMPTY(&tptr->restart_queue)) 713 return (0); 714 STAILQ_INIT(&rq); 715 STAILQ_CONCAT(&rq, &tptr->restart_queue); 716 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 717 STAILQ_REMOVE_HEAD(&rq, next); 718 isp_prt(isp, ISP_LOGTDEBUG0, 719 "%s: restarting resrc deprived %x", __func__, 720 ((at7_entry_t *)ntp->data)->at_rxid); 721 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 722 isp_put_ntpd(isp, bus, ntp); 723 if (!STAILQ_EMPTY(&tptr->restart_queue)) 724 break; 725 } 726 if (!STAILQ_EMPTY(&rq)) { 727 STAILQ_CONCAT(&rq, &tptr->restart_queue); 728 STAILQ_CONCAT(&tptr->restart_queue, &rq); 729 } 730 return (!STAILQ_EMPTY(&tptr->restart_queue)); 731 } 732 733 static void 734 isp_tmcmd_restart(ispsoftc_t *isp) 735 { 736 tstate_t *tptr; 737 union ccb *ccb; 738 struct tslist *lhp; 739 struct isp_ccbq *waitq; 740 int bus, i; 741 742 for (bus = 0; bus < isp->isp_nchan; bus++) { 743 for (i = 0; i < LUN_HASH_SIZE; i++) { 744 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 745 SLIST_FOREACH(tptr, lhp, next) 746 isp_atio_restart(isp, bus, tptr); 747 } 748 749 /* 750 * We only need to do this once per channel. 751 */ 752 ISP_GET_PC_ADDR(isp, bus, waitq, waitq); 753 ccb = (union ccb *)TAILQ_FIRST(waitq); 754 if (ccb != NULL) { 755 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 756 isp_target_start_ctio(isp, ccb, FROM_TIMER); 757 } 758 } 759 isp_rq_check_above(isp); 760 isp_rq_check_below(isp); 761 } 762 763 static atio_private_data_t * 764 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 765 { 766 struct atpdlist *atfree; 767 struct atpdlist *atused; 768 atio_private_data_t *atp; 769 770 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 771 atp = LIST_FIRST(atfree); 772 if (atp) { 773 LIST_REMOVE(atp, next); 774 atp->tag = tag; 775 ISP_GET_PC(isp, chan, atused, atused); 776 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next); 777 } 778 return (atp); 779 } 780 781 static atio_private_data_t * 782 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 783 { 784 struct atpdlist *atused; 785 atio_private_data_t *atp; 786 787 ISP_GET_PC(isp, chan, atused, atused); 788 LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) { 789 if (atp->tag == tag) 790 return (atp); 791 } 792 return (NULL); 793 } 794 795 static void 796 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 797 { 798 struct atpdlist *atfree; 799 800 if (atp->ests) { 801 isp_put_ecmd(isp, atp->ests); 802 } 803 LIST_REMOVE(atp, next); 804 memset(atp, 0, sizeof (*atp)); 805 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 806 LIST_INSERT_HEAD(atfree, atp, next); 807 } 808 809 static void 810 isp_dump_atpd(ispsoftc_t *isp, int chan) 811 { 812 atio_private_data_t *atp, *atpool; 813 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 814 815 ISP_GET_PC(isp, chan, atpool, atpool); 816 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 817 if (atp->state == ATPD_STATE_FREE) 818 continue; 819 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", 820 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]); 821 } 822 } 823 824 static inot_private_data_t * 825 isp_get_ntpd(ispsoftc_t *isp, int chan) 826 { 827 struct ntpdlist *ntfree; 828 inot_private_data_t *ntp; 829 830 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 831 ntp = STAILQ_FIRST(ntfree); 832 if (ntp) 833 STAILQ_REMOVE_HEAD(ntfree, next); 834 return (ntp); 835 } 836 837 static inot_private_data_t * 838 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 839 { 840 inot_private_data_t *ntp, *ntp2; 841 842 ISP_GET_PC(isp, chan, ntpool, ntp); 843 ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2); 844 for (; ntp < ntp2; ntp++) { 845 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 846 return (ntp); 847 } 848 return (NULL); 849 } 850 851 static void 852 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 853 { 854 struct ntpdlist *ntfree; 855 856 ntp->tag_id = ntp->seq_id = 0; 857 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 858 STAILQ_INSERT_HEAD(ntfree, ntp, next); 859 } 860 861 static cam_status 862 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 863 { 864 lun_id_t lun; 865 struct tslist *lhp; 866 tstate_t *tptr; 867 868 lun = xpt_path_lun_id(path); 869 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 870 if (tptr == NULL) { 871 return (CAM_RESRC_UNAVAIL); 872 } 873 tptr->ts_lun = lun; 874 SLIST_INIT(&tptr->atios); 875 SLIST_INIT(&tptr->inots); 876 STAILQ_INIT(&tptr->restart_queue); 877 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 878 SLIST_INSERT_HEAD(lhp, tptr, next); 879 *rslt = tptr; 880 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 881 return (CAM_REQ_CMP); 882 } 883 884 static void 885 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 886 { 887 union ccb *ccb; 888 struct tslist *lhp; 889 inot_private_data_t *ntp; 890 891 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 892 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 893 ccb->ccb_h.status = CAM_REQ_ABORTED; 894 xpt_done(ccb); 895 }; 896 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 897 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 898 ccb->ccb_h.status = CAM_REQ_ABORTED; 899 xpt_done(ccb); 900 } 901 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 902 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 903 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 904 isp_put_ntpd(isp, bus, ntp); 905 } 906 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 907 SLIST_REMOVE(lhp, tptr, tstate, next); 908 free(tptr, M_DEVBUF); 909 } 910 911 static void 912 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 913 { 914 tstate_t *tptr; 915 int bus; 916 target_id_t target; 917 lun_id_t lun; 918 919 /* 920 * We only support either target and lun both wildcard 921 * or target and lun both non-wildcard. 922 */ 923 bus = XS_CHANNEL(ccb); 924 target = ccb->ccb_h.target_id; 925 lun = ccb->ccb_h.target_lun; 926 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 927 "enabling lun %jx\n", (uintmax_t)lun); 928 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 929 ccb->ccb_h.status = CAM_LUN_INVALID; 930 xpt_done(ccb); 931 return; 932 } 933 934 /* Create the state pointer. It should not already exist. */ 935 tptr = get_lun_statep(isp, bus, lun); 936 if (tptr) { 937 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 938 xpt_done(ccb); 939 return; 940 } 941 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 942 if (ccb->ccb_h.status != CAM_REQ_CMP) { 943 xpt_done(ccb); 944 return; 945 } 946 947 ccb->ccb_h.status = CAM_REQ_CMP; 948 xpt_done(ccb); 949 } 950 951 static void 952 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 953 { 954 tstate_t *tptr = NULL; 955 int bus; 956 target_id_t target; 957 lun_id_t lun; 958 959 bus = XS_CHANNEL(ccb); 960 target = ccb->ccb_h.target_id; 961 lun = ccb->ccb_h.target_lun; 962 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 963 "disabling lun %jx\n", (uintmax_t)lun); 964 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 965 ccb->ccb_h.status = CAM_LUN_INVALID; 966 xpt_done(ccb); 967 return; 968 } 969 970 /* Find the state pointer. */ 971 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 972 ccb->ccb_h.status = CAM_PATH_INVALID; 973 xpt_done(ccb); 974 return; 975 } 976 977 destroy_lun_state(isp, bus, tptr); 978 ccb->ccb_h.status = CAM_REQ_CMP; 979 xpt_done(ccb); 980 } 981 982 static void 983 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 984 { 985 int fctape, sendstatus, resid; 986 fcparam *fcp; 987 atio_private_data_t *atp; 988 struct ccb_scsiio *cso; 989 struct isp_ccbq *waitq; 990 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 991 ct7_entry_t local, *cto = &local; 992 993 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, 994 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 995 996 ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq); 997 switch (how) { 998 case FROM_CAM: 999 /* 1000 * Insert at the tail of the list, if any, waiting CTIO CCBs 1001 */ 1002 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 1003 break; 1004 case FROM_TIMER: 1005 case FROM_SRR: 1006 case FROM_CTIO_DONE: 1007 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1008 break; 1009 } 1010 1011 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 1012 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 1013 1014 cso = &ccb->csio; 1015 xfrlen = cso->dxfer_len; 1016 if (xfrlen == 0) { 1017 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1018 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1019 ccb->ccb_h.status = CAM_REQ_INVALID; 1020 xpt_done(ccb); 1021 continue; 1022 } 1023 } 1024 1025 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 1026 if (atp == NULL) { 1027 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1028 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 1029 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1030 xpt_done(ccb); 1031 continue; 1032 } 1033 1034 /* 1035 * Is this command a dead duck? 1036 */ 1037 if (atp->dead) { 1038 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1039 ccb->ccb_h.status = CAM_REQ_ABORTED; 1040 xpt_done(ccb); 1041 continue; 1042 } 1043 1044 /* 1045 * Check to make sure we're still in target mode. 1046 */ 1047 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1048 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1049 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1050 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1051 xpt_done(ccb); 1052 continue; 1053 } 1054 1055 /* 1056 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1057 * could be split into two CTIOs to split data and status). 1058 */ 1059 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1060 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); 1061 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1062 break; 1063 } 1064 1065 /* 1066 * Does the initiator expect FC-Tape style responses? 1067 */ 1068 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1069 fctape = 1; 1070 } else { 1071 fctape = 0; 1072 } 1073 1074 /* 1075 * If we already did the data xfer portion of a CTIO that sends data 1076 * and status, don't do it again and do the status portion now. 1077 */ 1078 if (atp->sendst) { 1079 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1080 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1081 xfrlen = 0; /* we already did the data transfer */ 1082 atp->sendst = 0; 1083 } 1084 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1085 sendstatus = 1; 1086 } else { 1087 sendstatus = 0; 1088 } 1089 1090 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1091 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1092 /* 1093 * Sense length is not the entire sense data structure size. Periph 1094 * drivers don't seem to be setting sense_len to reflect the actual 1095 * size. We'll peek inside to get the right amount. 1096 */ 1097 sense_length = cso->sense_len; 1098 1099 /* 1100 * This 'cannot' happen 1101 */ 1102 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1103 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1104 } 1105 } else { 1106 sense_length = 0; 1107 } 1108 1109 /* 1110 * Check for overflow 1111 */ 1112 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1113 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1114 isp_prt(isp, ISP_LOGERR, 1115 "%s: [0x%x] data overflow by %u bytes", __func__, 1116 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1117 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1118 xpt_done(ccb); 1119 continue; 1120 } 1121 if (xfrlen > atp->orig_datalen - tmp) { 1122 xfrlen = atp->orig_datalen - tmp; 1123 if (xfrlen == 0 && !sendstatus) { 1124 cso->resid = cso->dxfer_len; 1125 ccb->ccb_h.status = CAM_REQ_CMP; 1126 xpt_done(ccb); 1127 continue; 1128 } 1129 } 1130 1131 memset(cto, 0, QENTRY_LEN); 1132 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1133 cto->ct_header.rqs_entry_count = 1; 1134 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1135 ATPD_SET_SEQNO(cto, atp); 1136 cto->ct_nphdl = atp->nphdl; 1137 cto->ct_rxid = atp->tag; 1138 cto->ct_iid_lo = atp->sid; 1139 cto->ct_iid_hi = atp->sid >> 16; 1140 cto->ct_oxid = atp->oxid; 1141 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1142 cto->ct_timeout = XS_TIME(ccb); 1143 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1144 1145 /* 1146 * Mode 1, status, no data. Only possible when we are sending status, have 1147 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1148 * 1149 * Mode 2, status, no data. We have to use this in the case that 1150 * the sense data won't fit into a ct7_entry_t. 1151 * 1152 */ 1153 if (sendstatus && xfrlen == 0) { 1154 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1155 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1156 if (sense_length <= MAXRESPLEN_24XX) { 1157 cto->ct_flags |= CT7_FLAG_MODE1; 1158 cto->ct_scsi_status = cso->scsi_status; 1159 if (resid < 0) { 1160 cto->ct_resid = -resid; 1161 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1162 } else if (resid > 0) { 1163 cto->ct_resid = resid; 1164 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1165 } 1166 if (fctape) { 1167 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1168 } 1169 if (sense_length) { 1170 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1171 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1172 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1173 } 1174 } else { 1175 bus_addr_t addr; 1176 fcp_rsp_iu_t rp; 1177 1178 if (atp->ests == NULL) { 1179 atp->ests = isp_get_ecmd(isp); 1180 if (atp->ests == NULL) { 1181 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1182 break; 1183 } 1184 } 1185 memset(&rp, 0, sizeof(rp)); 1186 if (fctape) { 1187 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1188 rp.fcp_rsp_bits |= FCP_CONF_REQ; 1189 } 1190 cto->ct_flags |= CT7_FLAG_MODE2; 1191 rp.fcp_rsp_scsi_status = cso->scsi_status; 1192 if (resid < 0) { 1193 rp.fcp_rsp_resid = -resid; 1194 rp.fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1195 } else if (resid > 0) { 1196 rp.fcp_rsp_resid = resid; 1197 rp.fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1198 } 1199 if (sense_length) { 1200 rp.fcp_rsp_snslen = sense_length; 1201 cto->ct_senselen = sense_length; 1202 rp.fcp_rsp_bits |= FCP_SNSLEN_VALID; 1203 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1204 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1205 } else { 1206 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1207 } 1208 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1209 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1210 } 1211 bus_dmamap_sync(isp->isp_osinfo.ecmd_dmat, isp->isp_osinfo.ecmd_map, BUS_DMASYNC_PREWRITE); 1212 addr = isp->isp_osinfo.ecmd_dma; 1213 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1214 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, 1215 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1216 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1217 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1218 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1219 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1220 } 1221 if (sense_length) { 1222 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__, 1223 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, 1224 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1225 } else { 1226 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1227 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1228 } 1229 atp->state = ATPD_STATE_LAST_CTIO; 1230 } 1231 1232 /* 1233 * Mode 0 data transfers, *possibly* with status. 1234 */ 1235 if (xfrlen != 0) { 1236 cto->ct_flags |= CT7_FLAG_MODE0; 1237 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1238 cto->ct_flags |= CT7_DATA_IN; 1239 } else { 1240 cto->ct_flags |= CT7_DATA_OUT; 1241 } 1242 1243 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1244 cto->rsp.m0.ct_xfrlen = xfrlen; 1245 1246 #ifdef DEBUG 1247 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1248 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1249 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1250 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1251 } 1252 #endif 1253 if (sendstatus) { 1254 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1255 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1256 cto->ct_flags |= CT7_SENDSTATUS; 1257 atp->state = ATPD_STATE_LAST_CTIO; 1258 if (fctape) { 1259 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1260 } 1261 } else { 1262 atp->sendst = 1; /* send status later */ 1263 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1264 atp->state = ATPD_STATE_CTIO; 1265 } 1266 } else { 1267 atp->state = ATPD_STATE_CTIO; 1268 } 1269 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__, 1270 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1271 } 1272 1273 if (isp_get_pcmd(isp, ccb)) { 1274 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1275 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1276 break; 1277 } 1278 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1279 if (handle == 0) { 1280 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1281 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1282 isp_free_pcmd(isp, ccb); 1283 break; 1284 } 1285 atp->bytes_in_transit += xfrlen; 1286 PISP_PCMD(ccb)->datalen = xfrlen; 1287 1288 /* 1289 * Call the dma setup routines for this entry (and any subsequent 1290 * CTIOs) if there's data to move, and then tell the f/w it's got 1291 * new things to play with. As with isp_start's usage of DMA setup, 1292 * any swizzling is done in the machine dependent layer. Because 1293 * of this, we put the request onto the queue area first in native 1294 * format. 1295 */ 1296 cto->ct_syshandle = handle; 1297 dmaresult = ISP_DMASETUP(isp, cso, cto); 1298 if (dmaresult != 0) { 1299 isp_destroy_handle(isp, handle); 1300 isp_free_pcmd(isp, ccb); 1301 if (dmaresult == CMD_EAGAIN) { 1302 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1303 break; 1304 } 1305 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1306 xpt_done(ccb); 1307 continue; 1308 } 1309 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1310 if (xfrlen) { 1311 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1312 } else { 1313 ccb->ccb_h.spriv_field0 = ~0; 1314 } 1315 atp->ctcnt++; 1316 atp->seqno++; 1317 } 1318 } 1319 1320 static void 1321 isp_refire_notify_ack(void *arg) 1322 { 1323 isp_tna_t *tp = arg; 1324 ispsoftc_t *isp = tp->isp; 1325 1326 ISP_ASSERT_LOCKED(isp); 1327 if (isp_notify_ack(isp, tp->not)) { 1328 callout_schedule(&tp->timer, 5); 1329 } else { 1330 free(tp, M_DEVBUF); 1331 } 1332 } 1333 1334 1335 static void 1336 isp_complete_ctio(ispsoftc_t *isp, union ccb *ccb) 1337 { 1338 1339 isp_rq_check_below(isp); 1340 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1341 xpt_done(ccb); 1342 } 1343 1344 static void 1345 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1346 { 1347 int cdbxlen; 1348 lun_id_t lun; 1349 uint16_t chan, nphdl = NIL_HANDLE; 1350 uint32_t did, sid; 1351 fcportdb_t *lp; 1352 tstate_t *tptr; 1353 struct ccb_accept_tio *atiop; 1354 atio_private_data_t *atp = NULL; 1355 atio_private_data_t *oatp; 1356 inot_private_data_t *ntp; 1357 1358 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1359 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1360 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1361 1362 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1363 /* Channel has to be derived from D_ID */ 1364 isp_find_chan_by_did(isp, did, &chan); 1365 if (chan == ISP_NOCHAN) { 1366 isp_prt(isp, ISP_LOGWARN, 1367 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1368 __func__, aep->at_rxid, did); 1369 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1370 ECMD_TERMINATE, 0); 1371 return; 1372 } 1373 } else { 1374 chan = 0; 1375 } 1376 1377 /* 1378 * Find the PDB entry for this initiator 1379 */ 1380 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1381 /* 1382 * If we're not in the port database terminate the exchange. 1383 */ 1384 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", 1385 __func__, aep->at_rxid, did, chan, sid); 1386 isp_dump_portdb(isp, chan); 1387 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1388 return; 1389 } 1390 nphdl = lp->handle; 1391 1392 /* 1393 * Get the tstate pointer 1394 */ 1395 tptr = get_lun_statep(isp, chan, lun); 1396 if (tptr == NULL) { 1397 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1398 if (tptr == NULL) { 1399 isp_prt(isp, ISP_LOGWARN, 1400 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1401 __func__, aep->at_rxid, (uintmax_t)lun); 1402 if (lun == 0) { 1403 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1404 } else { 1405 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1406 } 1407 return; 1408 } 1409 } 1410 1411 /* 1412 * Start any commands pending resources first. 1413 */ 1414 if (isp_atio_restart(isp, chan, tptr)) 1415 goto noresrc; 1416 1417 /* 1418 * If the f/w is out of resources, just send a BUSY status back. 1419 */ 1420 if (aep->at_rxid == AT7_NORESRC_RXID) { 1421 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1422 return; 1423 } 1424 1425 /* 1426 * If we're out of resources, just send a BUSY status back. 1427 */ 1428 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1429 if (atiop == NULL) { 1430 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1431 goto noresrc; 1432 } 1433 1434 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1435 if (oatp) { 1436 isp_prt(isp, oatp->state == ATPD_STATE_LAST_CTIO ? ISP_LOGTDEBUG0 : 1437 ISP_LOGWARN, "[0x%x] tag wraparound (N-Port Handle " 1438 "0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d", 1439 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1440 /* 1441 * It's not a "no resource" condition- but we can treat it like one 1442 */ 1443 goto noresrc; 1444 } 1445 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1446 if (atp == NULL) { 1447 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1448 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1449 return; 1450 } 1451 atp->word3 = lp->prli_word3; 1452 atp->state = ATPD_STATE_ATIO; 1453 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1454 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1455 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1456 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1457 atiop->ccb_h.target_lun = lun; 1458 atiop->sense_len = 0; 1459 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1460 if (cdbxlen) { 1461 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1462 } 1463 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1464 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1465 atiop->cdb_len = cdbxlen; 1466 atiop->ccb_h.status = CAM_CDB_RECVD; 1467 atiop->tag_id = atp->tag; 1468 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1469 case FCP_CMND_TASK_ATTR_SIMPLE: 1470 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1471 atiop->tag_action = MSG_SIMPLE_TASK; 1472 break; 1473 case FCP_CMND_TASK_ATTR_HEAD: 1474 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1475 atiop->tag_action = MSG_HEAD_OF_QUEUE_TASK; 1476 break; 1477 case FCP_CMND_TASK_ATTR_ORDERED: 1478 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1479 atiop->tag_action = MSG_ORDERED_TASK; 1480 break; 1481 case FCP_CMND_TASK_ATTR_ACA: 1482 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1483 atiop->tag_action = MSG_ACA_TASK; 1484 break; 1485 case FCP_CMND_TASK_ATTR_UNTAGGED: 1486 default: 1487 atiop->tag_action = 0; 1488 break; 1489 } 1490 atiop->priority = (aep->at_cmnd.fcp_cmnd_task_attribute & 1491 FCP_CMND_PRIO_MASK) >> FCP_CMND_PRIO_SHIFT; 1492 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1493 atp->bytes_xfered = 0; 1494 atp->lun = lun; 1495 atp->nphdl = nphdl; 1496 atp->sid = sid; 1497 atp->did = did; 1498 atp->oxid = aep->at_hdr.ox_id; 1499 atp->rxid = aep->at_hdr.rx_id; 1500 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1501 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1502 atp->state = ATPD_STATE_CAM; 1503 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1504 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1505 xpt_done((union ccb *)atiop); 1506 return; 1507 noresrc: 1508 KASSERT(atp == NULL, ("%s: atp is not NULL on noresrc!\n", __func__)); 1509 ntp = isp_get_ntpd(isp, chan); 1510 if (ntp == NULL) { 1511 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1512 return; 1513 } 1514 memcpy(ntp->data, aep, QENTRY_LEN); 1515 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1516 } 1517 1518 1519 /* 1520 * Handle starting an SRR (sequence retransmit request) 1521 * We get here when we've gotten the immediate notify 1522 * and the return of all outstanding CTIOs for this 1523 * transaction. 1524 */ 1525 static void 1526 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1527 { 1528 in_fcentry_24xx_t *inot; 1529 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1530 union ccb *ccb; 1531 1532 inot = (in_fcentry_24xx_t *)atp->srr; 1533 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1534 ccb = atp->srr_ccb; 1535 atp->srr_ccb = NULL; 1536 atp->nsrr++; 1537 if (ccb == NULL) { 1538 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1539 goto fail; 1540 } 1541 1542 ccb_off = ccb->ccb_h.spriv_field0; 1543 ccb_len = ccb->csio.dxfer_len; 1544 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1545 1546 switch (inot->in_srr_iu) { 1547 case R_CTL_INFO_SOLICITED_DATA: 1548 /* 1549 * We have to restart a FCP_DATA data out transaction 1550 */ 1551 atp->sendst = 0; 1552 atp->bytes_xfered = srr_off; 1553 if (ccb_len == 0) { 1554 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 1555 goto mdp; 1556 } 1557 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 1558 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); 1559 goto mdp; 1560 } 1561 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); 1562 break; 1563 case R_CTL_INFO_COMMAND_STATUS: 1564 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 1565 atp->sendst = 1; 1566 /* 1567 * We have to restart a FCP_RSP IU transaction 1568 */ 1569 break; 1570 case R_CTL_INFO_DATA_DESCRIPTOR: 1571 /* 1572 * We have to restart an FCP DATA in transaction 1573 */ 1574 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 1575 goto fail; 1576 1577 default: 1578 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 1579 goto fail; 1580 } 1581 1582 /* 1583 * We can't do anything until this is acked, so we might as well start it now. 1584 * We aren't going to do the usual asynchronous ack issue because we need 1585 * to make sure this gets on the wire first. 1586 */ 1587 if (isp_notify_ack(isp, inot)) { 1588 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 1589 goto fail; 1590 } 1591 isp_target_start_ctio(isp, ccb, FROM_SRR); 1592 return; 1593 fail: 1594 inot->in_reserved = 1; 1595 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 1596 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1597 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1598 isp_complete_ctio(isp, ccb); 1599 return; 1600 mdp: 1601 if (isp_notify_ack(isp, inot)) { 1602 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 1603 goto fail; 1604 } 1605 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1606 ccb->ccb_h.status |= CAM_MESSAGE_RECV; 1607 /* 1608 * This is not a strict interpretation of MDP, but it's close 1609 */ 1610 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 1611 ccb->csio.msg_len = 7; 1612 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 1613 ccb->csio.msg_ptr[1] = 5; 1614 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 1615 ccb->csio.msg_ptr[3] = srr_off >> 24; 1616 ccb->csio.msg_ptr[4] = srr_off >> 16; 1617 ccb->csio.msg_ptr[5] = srr_off >> 8; 1618 ccb->csio.msg_ptr[6] = srr_off; 1619 isp_complete_ctio(isp, ccb); 1620 } 1621 1622 1623 static void 1624 isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 1625 { 1626 in_fcentry_24xx_t *inot = notify->nt_lreserved; 1627 atio_private_data_t *atp; 1628 uint32_t tag = notify->nt_tagval & 0xffffffff; 1629 1630 atp = isp_find_atpd(isp, notify->nt_channel, tag); 1631 if (atp == NULL) { 1632 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 1633 __func__, tag); 1634 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 1635 return; 1636 } 1637 atp->srr_notify_rcvd = 1; 1638 memcpy(atp->srr, inot, sizeof (atp->srr)); 1639 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 1640 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 1641 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 1642 if (atp->srr_ccb) 1643 isp_handle_srr_start(isp, atp); 1644 } 1645 1646 static void 1647 isp_handle_platform_ctio(ispsoftc_t *isp, ct7_entry_t *ct) 1648 { 1649 union ccb *ccb; 1650 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 1651 atio_private_data_t *atp = NULL; 1652 int bus; 1653 uint32_t handle, data_requested, resid; 1654 1655 handle = ct->ct_syshandle; 1656 ccb = isp_find_xs(isp, handle); 1657 if (ccb == NULL) { 1658 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, ct); 1659 return; 1660 } 1661 isp_destroy_handle(isp, handle); 1662 resid = data_requested = PISP_PCMD(ccb)->datalen; 1663 isp_free_pcmd(isp, ccb); 1664 1665 bus = XS_CHANNEL(ccb); 1666 atp = isp_find_atpd(isp, bus, ct->ct_rxid); 1667 if (atp == NULL) { 1668 /* 1669 * XXX: isp_clear_commands() generates fake CTIO with zero 1670 * ct_rxid value, filling only ct_syshandle. Workaround 1671 * that using tag_id from the CCB, pointed by ct_syshandle. 1672 */ 1673 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 1674 } 1675 if (atp == NULL) { 1676 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 1677 return; 1678 } 1679 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 1680 atp->bytes_in_transit -= data_requested; 1681 atp->ctcnt -= 1; 1682 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1683 1684 if (ct->ct_nphdl == CT7_SRR) { 1685 atp->srr_ccb = ccb; 1686 if (atp->srr_notify_rcvd) 1687 isp_handle_srr_start(isp, atp); 1688 return; 1689 } 1690 if (ct->ct_nphdl == CT_HBA_RESET) { 1691 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 1692 (atp->sendst == 0); 1693 failure = CAM_UNREC_HBA_ERROR; 1694 } else { 1695 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 1696 ok = (ct->ct_nphdl == CT7_OK); 1697 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 1698 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 1699 resid = ct->ct_resid; 1700 } 1701 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), 1702 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 1703 if (ok) { 1704 if (data_requested > 0) { 1705 atp->bytes_xfered += data_requested - resid; 1706 ccb->csio.resid = ccb->csio.dxfer_len - 1707 (data_requested - resid); 1708 } 1709 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 1710 ccb->ccb_h.status |= CAM_SENT_SENSE; 1711 ccb->ccb_h.status |= CAM_REQ_CMP; 1712 } else { 1713 notify_cam = 1; 1714 if (failure == CAM_UNREC_HBA_ERROR) 1715 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 1716 else 1717 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1718 } 1719 atp->state = ATPD_STATE_PDON; 1720 1721 /* 1722 * We never *not* notify CAM when there has been any error (ok == 0), 1723 * so we never need to do an ATIO putback if we're not notifying CAM. 1724 */ 1725 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 1726 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 1727 if (notify_cam == 0) { 1728 if (atp->sendst) { 1729 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 1730 } 1731 return; 1732 } 1733 1734 /* 1735 * We are done with this ATIO if we successfully sent status. 1736 * In all other cases expect either another CTIO or XPT_ABORT. 1737 */ 1738 if (ok && sentstatus) 1739 isp_put_atpd(isp, bus, atp); 1740 1741 /* 1742 * We're telling CAM we're done with this CTIO transaction. 1743 * 1744 * 24XX cards never need an ATIO put back. 1745 */ 1746 isp_complete_ctio(isp, ccb); 1747 } 1748 1749 static int 1750 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 1751 { 1752 ct7_entry_t local, *cto = &local; 1753 1754 if (isp->isp_state != ISP_RUNSTATE) { 1755 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 1756 return (0); 1757 } 1758 1759 /* 1760 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 1761 */ 1762 if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 1763 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 1764 fcportdb_t *lp; 1765 uint32_t sid; 1766 uint16_t nphdl; 1767 1768 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1769 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 1770 nphdl = lp->handle; 1771 } else { 1772 nphdl = NIL_HANDLE; 1773 } 1774 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 1775 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1776 cto->ct_header.rqs_entry_count = 1; 1777 cto->ct_nphdl = nphdl; 1778 cto->ct_rxid = aep->at_rxid; 1779 cto->ct_vpidx = mp->nt_channel; 1780 cto->ct_iid_lo = sid; 1781 cto->ct_iid_hi = sid >> 16; 1782 cto->ct_oxid = aep->at_hdr.ox_id; 1783 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 1784 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 1785 if (rsp != 0) { 1786 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 1787 cto->rsp.m1.ct_resplen = 4; 1788 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 1789 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 1790 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 1791 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 1792 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 1793 } 1794 return (isp_target_put_entry(isp, &cto)); 1795 } 1796 1797 /* 1798 * This case is for a responding to an ABTS frame 1799 */ 1800 if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 1801 1802 /* 1803 * Overload nt_need_ack here to mark whether we've terminated the associated command. 1804 */ 1805 if (mp->nt_need_ack) { 1806 abts_t *abts = (abts_t *)mp->nt_lreserved; 1807 1808 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 1809 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 1810 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1811 cto->ct_header.rqs_entry_count = 1; 1812 cto->ct_nphdl = mp->nt_nphdl; 1813 cto->ct_rxid = abts->abts_rxid_task; 1814 cto->ct_iid_lo = mp->nt_sid; 1815 cto->ct_iid_hi = mp->nt_sid >> 16; 1816 cto->ct_oxid = abts->abts_ox_id; 1817 cto->ct_vpidx = mp->nt_channel; 1818 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 1819 if (isp_target_put_entry(isp, cto)) { 1820 return (ENOMEM); 1821 } 1822 mp->nt_need_ack = 0; 1823 } 1824 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 1825 return (ENOMEM); 1826 } else { 1827 return (0); 1828 } 1829 } 1830 1831 /* 1832 * Handle logout cases here 1833 */ 1834 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 1835 isp_del_all_wwn_entries(isp, mp->nt_channel); 1836 } 1837 1838 if (mp->nt_ncode == NT_LOGOUT) 1839 isp_del_wwn_entries(isp, mp); 1840 1841 /* 1842 * General purpose acknowledgement 1843 */ 1844 if (mp->nt_need_ack) { 1845 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 1846 /* 1847 * Don't need to use the guaranteed send because the caller can retry 1848 */ 1849 return (isp_notify_ack(isp, mp->nt_lreserved)); 1850 } 1851 return (0); 1852 } 1853 1854 /* 1855 * Handle task management functions. 1856 * 1857 * We show up here with a notify structure filled out. 1858 * 1859 * The nt_lreserved tag points to the original queue entry 1860 */ 1861 static void 1862 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 1863 { 1864 tstate_t *tptr; 1865 fcportdb_t *lp; 1866 struct ccb_immediate_notify *inot; 1867 inot_private_data_t *ntp = NULL; 1868 atio_private_data_t *atp; 1869 lun_id_t lun; 1870 1871 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode, 1872 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 1873 if (notify->nt_lun == LUN_ANY) { 1874 if (notify->nt_tagval == TAG_ANY) { 1875 lun = CAM_LUN_WILDCARD; 1876 } else { 1877 atp = isp_find_atpd(isp, notify->nt_channel, 1878 notify->nt_tagval & 0xffffffff); 1879 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 1880 } 1881 } else { 1882 lun = notify->nt_lun; 1883 } 1884 tptr = get_lun_statep(isp, notify->nt_channel, lun); 1885 if (tptr == NULL) { 1886 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 1887 if (tptr == NULL) { 1888 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 1889 goto bad; 1890 } 1891 } 1892 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 1893 if (inot == NULL) { 1894 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 1895 goto bad; 1896 } 1897 1898 inot->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1899 inot->ccb_h.target_lun = lun; 1900 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 1901 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 1902 inot->initiator_id = CAM_TARGET_WILDCARD; 1903 } else { 1904 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 1905 } 1906 inot->seq_id = notify->nt_tagval; 1907 inot->tag_id = notify->nt_tagval >> 32; 1908 1909 switch (notify->nt_ncode) { 1910 case NT_ABORT_TASK: 1911 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 1912 inot->arg = MSG_ABORT_TASK; 1913 break; 1914 case NT_ABORT_TASK_SET: 1915 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 1916 inot->arg = MSG_ABORT_TASK_SET; 1917 break; 1918 case NT_CLEAR_ACA: 1919 inot->arg = MSG_CLEAR_ACA; 1920 break; 1921 case NT_CLEAR_TASK_SET: 1922 inot->arg = MSG_CLEAR_TASK_SET; 1923 break; 1924 case NT_LUN_RESET: 1925 inot->arg = MSG_LOGICAL_UNIT_RESET; 1926 break; 1927 case NT_TARGET_RESET: 1928 inot->arg = MSG_TARGET_RESET; 1929 break; 1930 case NT_QUERY_TASK_SET: 1931 inot->arg = MSG_QUERY_TASK_SET; 1932 break; 1933 case NT_QUERY_ASYNC_EVENT: 1934 inot->arg = MSG_QUERY_ASYNC_EVENT; 1935 break; 1936 default: 1937 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); 1938 goto bad; 1939 } 1940 1941 ntp = isp_get_ntpd(isp, notify->nt_channel); 1942 if (ntp == NULL) { 1943 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 1944 goto bad; 1945 } 1946 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 1947 if (notify->nt_lreserved) { 1948 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 1949 ntp->nt.nt_lreserved = &ntp->data; 1950 } 1951 ntp->seq_id = notify->nt_tagval; 1952 ntp->tag_id = notify->nt_tagval >> 32; 1953 1954 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 1955 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 1956 inot->ccb_h.status = CAM_MESSAGE_RECV; 1957 xpt_done((union ccb *)inot); 1958 return; 1959 bad: 1960 if (notify->nt_need_ack) { 1961 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 1962 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 1963 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 1964 } 1965 } else { 1966 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 1967 } 1968 } 1969 } 1970 1971 static void 1972 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 1973 { 1974 atio_private_data_t *atp, *atpool; 1975 inot_private_data_t *ntp, *tmp; 1976 uint32_t this_tag_id; 1977 1978 /* 1979 * First, clean any commands pending restart 1980 */ 1981 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 1982 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 1983 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 1984 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 1985 ECMD_TERMINATE, 0); 1986 isp_put_ntpd(isp, chan, ntp); 1987 STAILQ_REMOVE(&tptr->restart_queue, ntp, 1988 inot_private_data, next); 1989 } 1990 } 1991 1992 /* 1993 * Now mark other ones dead as well. 1994 */ 1995 ISP_GET_PC(isp, chan, atpool, atpool); 1996 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 1997 if (atp->lun != tptr->ts_lun) 1998 continue; 1999 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 2000 atp->dead = 1; 2001 } 2002 } 2003 #endif 2004 2005 static void 2006 isp_poll(struct cam_sim *sim) 2007 { 2008 ispsoftc_t *isp = cam_sim_softc(sim); 2009 2010 ISP_RUN_ISR(isp); 2011 } 2012 2013 2014 static void 2015 isp_watchdog(void *arg) 2016 { 2017 struct ccb_scsiio *xs = arg; 2018 ispsoftc_t *isp; 2019 uint32_t ohandle = ISP_HANDLE_FREE, handle; 2020 2021 isp = XS_ISP(xs); 2022 2023 handle = isp_find_handle(isp, xs); 2024 2025 /* 2026 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 2027 */ 2028 if (handle != ISP_HANDLE_FREE) { 2029 ISP_RUN_ISR(isp); 2030 ohandle = handle; 2031 handle = isp_find_handle(isp, xs); 2032 } 2033 if (handle != ISP_HANDLE_FREE) { 2034 /* 2035 * Try and make sure the command is really dead before 2036 * we release the handle (and DMA resources) for reuse. 2037 * 2038 * If we are successful in aborting the command then 2039 * we're done here because we'll get the command returned 2040 * back separately. 2041 */ 2042 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2043 return; 2044 } 2045 2046 /* 2047 * Note that after calling the above, the command may in 2048 * fact have been completed. 2049 */ 2050 xs = isp_find_xs(isp, handle); 2051 2052 /* 2053 * If the command no longer exists, then we won't 2054 * be able to find the xs again with this handle. 2055 */ 2056 if (xs == NULL) { 2057 return; 2058 } 2059 2060 /* 2061 * After this point, the command is really dead. 2062 */ 2063 ISP_DMAFREE(isp, xs); 2064 isp_destroy_handle(isp, handle); 2065 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 2066 XS_SETERR(xs, CAM_CMD_TIMEOUT); 2067 isp_done(xs); 2068 } else { 2069 if (ohandle != ISP_HANDLE_FREE) { 2070 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 2071 } else { 2072 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 2073 } 2074 } 2075 } 2076 2077 static void 2078 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2079 { 2080 union ccb *ccb; 2081 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2082 2083 /* 2084 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2085 */ 2086 ccb = xpt_alloc_ccb_nowait(); 2087 if (ccb == NULL) { 2088 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2089 return; 2090 } 2091 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2092 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2093 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2094 xpt_free_ccb(ccb); 2095 return; 2096 } 2097 xpt_rescan(ccb); 2098 } 2099 2100 static void 2101 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2102 { 2103 struct cam_path *tp; 2104 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2105 2106 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2107 xpt_async(AC_LOST_DEVICE, tp, NULL); 2108 xpt_free_path(tp); 2109 } 2110 } 2111 2112 /* 2113 * Gone Device Timer Function- when we have decided that a device has gone 2114 * away, we wait a specific period of time prior to telling the OS it has 2115 * gone away. 2116 * 2117 * This timer function fires once a second and then scans the port database 2118 * for devices that are marked dead but still have a virtual target assigned. 2119 * We decrement a counter for that port database entry, and when it hits zero, 2120 * we tell the OS the device has gone away. 2121 */ 2122 static void 2123 isp_gdt(void *arg) 2124 { 2125 struct isp_fc *fc = arg; 2126 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2127 } 2128 2129 static void 2130 isp_gdt_task(void *arg, int pending) 2131 { 2132 struct isp_fc *fc = arg; 2133 ispsoftc_t *isp = fc->isp; 2134 int chan = fc - isp->isp_osinfo.pc.fc; 2135 fcportdb_t *lp; 2136 struct ac_contract ac; 2137 struct ac_device_changed *adc; 2138 int dbidx, more_to_do = 0; 2139 2140 ISP_LOCK(isp); 2141 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2142 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2143 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2144 2145 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2146 continue; 2147 } 2148 if (lp->gone_timer != 0) { 2149 lp->gone_timer -= 1; 2150 more_to_do++; 2151 continue; 2152 } 2153 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2154 if (lp->is_target) { 2155 lp->is_target = 0; 2156 isp_make_gone(isp, lp, chan, dbidx); 2157 } 2158 if (lp->is_initiator) { 2159 lp->is_initiator = 0; 2160 ac.contract_number = AC_CONTRACT_DEV_CHG; 2161 adc = (struct ac_device_changed *) ac.contract_data; 2162 adc->wwpn = lp->port_wwn; 2163 adc->port = lp->portid; 2164 adc->target = dbidx; 2165 adc->arrived = 0; 2166 xpt_async(AC_CONTRACT, fc->path, &ac); 2167 } 2168 lp->state = FC_PORTDB_STATE_NIL; 2169 } 2170 if (fc->ready) { 2171 if (more_to_do) { 2172 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2173 } else { 2174 callout_deactivate(&fc->gdt); 2175 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2176 } 2177 } 2178 ISP_UNLOCK(isp); 2179 } 2180 2181 /* 2182 * When loop goes down we remember the time and freeze CAM command queue. 2183 * During some time period we are trying to reprobe the loop. But if we 2184 * fail, we tell the OS that devices have gone away and drop the freeze. 2185 * 2186 * We don't clear the devices out of our port database because, when loop 2187 * come back up, we have to do some actual cleanup with the chip at that 2188 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2189 */ 2190 static void 2191 isp_loop_changed(ispsoftc_t *isp, int chan) 2192 { 2193 fcparam *fcp = FCPARAM(isp, chan); 2194 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2195 2196 if (fc->loop_down_time) 2197 return; 2198 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2199 if (fcp->role & ISP_ROLE_INITIATOR) 2200 isp_freeze_loopdown(isp, chan); 2201 fc->loop_down_time = time_uptime; 2202 wakeup(fc); 2203 } 2204 2205 static void 2206 isp_loop_up(ispsoftc_t *isp, int chan) 2207 { 2208 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2209 2210 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2211 fc->loop_seen_once = 1; 2212 fc->loop_down_time = 0; 2213 isp_unfreeze_loopdown(isp, chan); 2214 } 2215 2216 static void 2217 isp_loop_dead(ispsoftc_t *isp, int chan) 2218 { 2219 fcparam *fcp = FCPARAM(isp, chan); 2220 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2221 fcportdb_t *lp; 2222 struct ac_contract ac; 2223 struct ac_device_changed *adc; 2224 int dbidx, i; 2225 2226 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2227 2228 /* 2229 * Notify to the OS all targets who we now consider have departed. 2230 */ 2231 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2232 lp = &fcp->portdb[dbidx]; 2233 2234 if (lp->state == FC_PORTDB_STATE_NIL) 2235 continue; 2236 2237 for (i = 0; i < ISP_HANDLE_NUM(isp); i++) { 2238 struct ccb_scsiio *xs; 2239 2240 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2241 continue; 2242 } 2243 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2244 continue; 2245 } 2246 if (dbidx != XS_TGT(xs)) { 2247 continue; 2248 } 2249 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2250 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2251 (uintmax_t)XS_LUN(xs)); 2252 2253 /* 2254 * Just like in isp_watchdog, abort the outstanding 2255 * command or immediately free its resources if it is 2256 * not active 2257 */ 2258 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2259 continue; 2260 } 2261 2262 ISP_DMAFREE(isp, xs); 2263 isp_destroy_handle(isp, isp->isp_xflist[i].handle); 2264 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed", 2265 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2266 (uintmax_t)XS_LUN(xs)); 2267 XS_SETERR(xs, HBA_BUSRESET); 2268 isp_done(xs); 2269 } 2270 2271 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2272 if (lp->is_target) { 2273 lp->is_target = 0; 2274 isp_make_gone(isp, lp, chan, dbidx); 2275 } 2276 if (lp->is_initiator) { 2277 lp->is_initiator = 0; 2278 ac.contract_number = AC_CONTRACT_DEV_CHG; 2279 adc = (struct ac_device_changed *) ac.contract_data; 2280 adc->wwpn = lp->port_wwn; 2281 adc->port = lp->portid; 2282 adc->target = dbidx; 2283 adc->arrived = 0; 2284 xpt_async(AC_CONTRACT, fc->path, &ac); 2285 } 2286 } 2287 2288 isp_unfreeze_loopdown(isp, chan); 2289 fc->loop_down_time = 0; 2290 } 2291 2292 static void 2293 isp_kthread(void *arg) 2294 { 2295 struct isp_fc *fc = arg; 2296 ispsoftc_t *isp = fc->isp; 2297 int chan = fc - isp->isp_osinfo.pc.fc; 2298 int slp = 0, d; 2299 int lb, lim; 2300 2301 ISP_LOCK(isp); 2302 while (isp->isp_osinfo.is_exiting == 0) { 2303 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2304 "Chan %d Checking FC state", chan); 2305 lb = isp_fc_runstate(isp, chan, 250000); 2306 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2307 "Chan %d FC got to %s state", chan, 2308 isp_fc_loop_statename(lb)); 2309 2310 /* 2311 * Our action is different based upon whether we're supporting 2312 * Initiator mode or not. If we are, we might freeze the simq 2313 * when loop is down and set all sorts of different delays to 2314 * check again. 2315 * 2316 * If not, we simply just wait for loop to come up. 2317 */ 2318 if (lb == LOOP_READY || lb < 0) { 2319 slp = 0; 2320 } else { 2321 /* 2322 * If we've never seen loop up and we've waited longer 2323 * than quickboot time, or we've seen loop up but we've 2324 * waited longer than loop_down_limit, give up and go 2325 * to sleep until loop comes up. 2326 */ 2327 if (fc->loop_seen_once == 0) 2328 lim = isp_quickboot_time; 2329 else 2330 lim = fc->loop_down_limit; 2331 d = time_uptime - fc->loop_down_time; 2332 if (d >= lim) 2333 slp = 0; 2334 else if (d < 10) 2335 slp = 1; 2336 else if (d < 30) 2337 slp = 5; 2338 else if (d < 60) 2339 slp = 10; 2340 else if (d < 120) 2341 slp = 20; 2342 else 2343 slp = 30; 2344 } 2345 2346 if (slp == 0) { 2347 if (lb == LOOP_READY) 2348 isp_loop_up(isp, chan); 2349 else 2350 isp_loop_dead(isp, chan); 2351 } 2352 2353 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2354 "Chan %d sleep for %d seconds", chan, slp); 2355 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2356 } 2357 fc->num_threads -= 1; 2358 ISP_UNLOCK(isp); 2359 kthread_exit(); 2360 } 2361 2362 #ifdef ISP_TARGET_MODE 2363 static void 2364 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2365 { 2366 atio_private_data_t *atp; 2367 union ccb *accb = ccb->cab.abort_ccb; 2368 struct ccb_hdr *sccb; 2369 tstate_t *tptr; 2370 2371 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2372 if (tptr != NULL) { 2373 /* Search for the ATIO among queueued. */ 2374 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2375 if (sccb != &accb->ccb_h) 2376 continue; 2377 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2378 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2379 "Abort FREE ATIO\n"); 2380 accb->ccb_h.status = CAM_REQ_ABORTED; 2381 xpt_done(accb); 2382 ccb->ccb_h.status = CAM_REQ_CMP; 2383 return; 2384 } 2385 } 2386 2387 /* Search for the ATIO among running. */ 2388 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2389 if (atp != NULL) { 2390 /* Send TERMINATE to firmware. */ 2391 if (!atp->dead) { 2392 uint8_t storage[QENTRY_LEN]; 2393 ct7_entry_t *cto = (ct7_entry_t *) storage; 2394 2395 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2396 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2397 cto->ct_header.rqs_entry_count = 1; 2398 cto->ct_nphdl = atp->nphdl; 2399 cto->ct_rxid = atp->tag; 2400 cto->ct_iid_lo = atp->sid; 2401 cto->ct_iid_hi = atp->sid >> 16; 2402 cto->ct_oxid = atp->oxid; 2403 cto->ct_vpidx = XS_CHANNEL(accb); 2404 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2405 isp_target_put_entry(isp, cto); 2406 } 2407 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2408 ccb->ccb_h.status = CAM_REQ_CMP; 2409 } else { 2410 ccb->ccb_h.status = CAM_UA_ABORT; 2411 } 2412 } 2413 2414 static void 2415 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2416 { 2417 inot_private_data_t *ntp; 2418 union ccb *accb = ccb->cab.abort_ccb; 2419 struct ccb_hdr *sccb; 2420 tstate_t *tptr; 2421 2422 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2423 if (tptr != NULL) { 2424 /* Search for the INOT among queueued. */ 2425 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2426 if (sccb != &accb->ccb_h) 2427 continue; 2428 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2429 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2430 "Abort FREE INOT\n"); 2431 accb->ccb_h.status = CAM_REQ_ABORTED; 2432 xpt_done(accb); 2433 ccb->ccb_h.status = CAM_REQ_CMP; 2434 return; 2435 } 2436 } 2437 2438 /* Search for the INOT among running. */ 2439 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2440 if (ntp != NULL) { 2441 if (ntp->nt.nt_need_ack) { 2442 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2443 ntp->nt.nt_lreserved); 2444 } 2445 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2446 ccb->ccb_h.status = CAM_REQ_CMP; 2447 } else { 2448 ccb->ccb_h.status = CAM_UA_ABORT; 2449 return; 2450 } 2451 } 2452 #endif 2453 2454 static void 2455 isp_action(struct cam_sim *sim, union ccb *ccb) 2456 { 2457 int bus, tgt, error; 2458 ispsoftc_t *isp; 2459 fcparam *fcp; 2460 struct ccb_trans_settings *cts; 2461 sbintime_t ts; 2462 2463 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2464 2465 isp = (ispsoftc_t *)cam_sim_softc(sim); 2466 ISP_ASSERT_LOCKED(isp); 2467 bus = cam_sim_bus(sim); 2468 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2469 ISP_PCMD(ccb) = NULL; 2470 2471 switch (ccb->ccb_h.func_code) { 2472 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2473 /* 2474 * Do a couple of preliminary checks... 2475 */ 2476 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2477 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2478 ccb->ccb_h.status = CAM_REQ_INVALID; 2479 isp_done((struct ccb_scsiio *) ccb); 2480 break; 2481 } 2482 } 2483 #ifdef DIAGNOSTIC 2484 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 2485 xpt_print(ccb->ccb_h.path, "invalid target\n"); 2486 ccb->ccb_h.status = CAM_PATH_INVALID; 2487 } 2488 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 2489 xpt_done(ccb); 2490 break; 2491 } 2492 #endif 2493 ccb->csio.scsi_status = SCSI_STATUS_OK; 2494 if (isp_get_pcmd(isp, ccb)) { 2495 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 2496 cam_freeze_devq(ccb->ccb_h.path); 2497 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 2498 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2499 xpt_done(ccb); 2500 break; 2501 } 2502 error = isp_start((XS_T *) ccb); 2503 isp_rq_check_above(isp); 2504 switch (error) { 2505 case 0: 2506 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2507 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 2508 break; 2509 /* Give firmware extra 10s to handle timeout. */ 2510 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 2511 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 2512 isp_watchdog, ccb, 0); 2513 break; 2514 case CMD_RQLATER: 2515 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 2516 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 2517 cam_freeze_devq(ccb->ccb_h.path); 2518 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 2519 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2520 isp_free_pcmd(isp, ccb); 2521 xpt_done(ccb); 2522 break; 2523 case CMD_EAGAIN: 2524 isp_free_pcmd(isp, ccb); 2525 cam_freeze_devq(ccb->ccb_h.path); 2526 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 10, 0); 2527 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2528 xpt_done(ccb); 2529 break; 2530 case CMD_COMPLETE: 2531 isp_done((struct ccb_scsiio *) ccb); 2532 break; 2533 default: 2534 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 2535 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2536 isp_free_pcmd(isp, ccb); 2537 xpt_done(ccb); 2538 } 2539 break; 2540 2541 #ifdef ISP_TARGET_MODE 2542 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 2543 if (ccb->cel.enable) { 2544 isp_enable_lun(isp, ccb); 2545 } else { 2546 isp_disable_lun(isp, ccb); 2547 } 2548 break; 2549 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 2550 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 2551 { 2552 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 2553 if (tptr == NULL) { 2554 const char *str; 2555 2556 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 2557 str = "XPT_IMMEDIATE_NOTIFY"; 2558 else 2559 str = "XPT_ACCEPT_TARGET_IO"; 2560 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 2561 "%s: no state pointer found for %s\n", 2562 __func__, str); 2563 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2564 xpt_done(ccb); 2565 break; 2566 } 2567 2568 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 2569 ccb->atio.tag_id = 0; 2570 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 2571 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 2572 "Put FREE ATIO\n"); 2573 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 2574 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 2575 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 2576 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 2577 "Put FREE INOT\n"); 2578 } 2579 ccb->ccb_h.status = CAM_REQ_INPROG; 2580 break; 2581 } 2582 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 2583 { 2584 inot_private_data_t *ntp; 2585 2586 /* 2587 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 2588 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 2589 */ 2590 /* 2591 * All the relevant path information is in the associated immediate notify 2592 */ 2593 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); 2594 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 2595 if (ntp == NULL) { 2596 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__, 2597 ccb->cna2.tag_id, ccb->cna2.seq_id); 2598 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2599 xpt_done(ccb); 2600 break; 2601 } 2602 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 2603 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 2604 cam_freeze_devq(ccb->ccb_h.path); 2605 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 2606 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2607 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 2608 break; 2609 } 2610 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 2611 ccb->ccb_h.status = CAM_REQ_CMP; 2612 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); 2613 xpt_done(ccb); 2614 break; 2615 } 2616 case XPT_CONT_TARGET_IO: 2617 isp_target_start_ctio(isp, ccb, FROM_CAM); 2618 isp_rq_check_above(isp); 2619 break; 2620 #endif 2621 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 2622 tgt = ccb->ccb_h.target_id; 2623 tgt |= (bus << 16); 2624 2625 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 2626 if (error) { 2627 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2628 } else { 2629 /* 2630 * If we have a FC device, reset the Command 2631 * Reference Number, because the target will expect 2632 * that we re-start the CRN at 1 after a reset. 2633 */ 2634 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2635 2636 ccb->ccb_h.status = CAM_REQ_CMP; 2637 } 2638 xpt_done(ccb); 2639 break; 2640 case XPT_ABORT: /* Abort the specified CCB */ 2641 { 2642 union ccb *accb = ccb->cab.abort_ccb; 2643 switch (accb->ccb_h.func_code) { 2644 #ifdef ISP_TARGET_MODE 2645 case XPT_ACCEPT_TARGET_IO: 2646 isp_abort_atio(isp, ccb); 2647 break; 2648 case XPT_IMMEDIATE_NOTIFY: 2649 isp_abort_inot(isp, ccb); 2650 break; 2651 #endif 2652 case XPT_SCSI_IO: 2653 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 2654 if (error) { 2655 ccb->ccb_h.status = CAM_UA_ABORT; 2656 } else { 2657 ccb->ccb_h.status = CAM_REQ_CMP; 2658 } 2659 break; 2660 default: 2661 ccb->ccb_h.status = CAM_REQ_INVALID; 2662 break; 2663 } 2664 /* 2665 * This is not a queued CCB, so the caller expects it to be 2666 * complete when control is returned. 2667 */ 2668 break; 2669 } 2670 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 2671 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 2672 cts = &ccb->cts; 2673 if (!IS_CURRENT_SETTINGS(cts)) { 2674 ccb->ccb_h.status = CAM_REQ_INVALID; 2675 xpt_done(ccb); 2676 break; 2677 } 2678 ccb->ccb_h.status = CAM_REQ_CMP; 2679 xpt_done(ccb); 2680 break; 2681 case XPT_GET_TRAN_SETTINGS: 2682 { 2683 struct ccb_trans_settings_scsi *scsi; 2684 struct ccb_trans_settings_fc *fc; 2685 2686 cts = &ccb->cts; 2687 scsi = &cts->proto_specific.scsi; 2688 fc = &cts->xport_specific.fc; 2689 tgt = cts->ccb_h.target_id; 2690 fcp = FCPARAM(isp, bus); 2691 2692 cts->protocol = PROTO_SCSI; 2693 cts->protocol_version = SCSI_REV_2; 2694 cts->transport = XPORT_FC; 2695 cts->transport_version = 0; 2696 2697 scsi->valid = CTS_SCSI_VALID_TQ; 2698 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2699 fc->valid = CTS_FC_VALID_SPEED; 2700 fc->bitrate = fcp->isp_gbspeed * 100000; 2701 if (tgt < MAX_FC_TARG) { 2702 fcportdb_t *lp = &fcp->portdb[tgt]; 2703 fc->wwnn = lp->node_wwn; 2704 fc->wwpn = lp->port_wwn; 2705 fc->port = lp->portid; 2706 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 2707 } 2708 ccb->ccb_h.status = CAM_REQ_CMP; 2709 xpt_done(ccb); 2710 break; 2711 } 2712 case XPT_CALC_GEOMETRY: 2713 cam_calc_geometry(&ccb->ccg, 1); 2714 xpt_done(ccb); 2715 break; 2716 2717 case XPT_RESET_BUS: /* Reset the specified bus */ 2718 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 2719 if (error) { 2720 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2721 xpt_done(ccb); 2722 break; 2723 } 2724 if (bootverbose) { 2725 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 2726 } 2727 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 2728 ccb->ccb_h.status = CAM_REQ_CMP; 2729 xpt_done(ccb); 2730 break; 2731 2732 case XPT_TERM_IO: /* Terminate the I/O process */ 2733 ccb->ccb_h.status = CAM_REQ_INVALID; 2734 xpt_done(ccb); 2735 break; 2736 2737 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 2738 { 2739 struct ccb_sim_knob *kp = &ccb->knob; 2740 fcparam *fcp = FCPARAM(isp, bus); 2741 2742 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 2743 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 2744 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 2745 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 2746 } 2747 ccb->ccb_h.status = CAM_REQ_CMP; 2748 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 2749 int rchange = 0; 2750 int newrole = 0; 2751 2752 switch (kp->xport_specific.fc.role) { 2753 case KNOB_ROLE_NONE: 2754 if (fcp->role != ISP_ROLE_NONE) { 2755 rchange = 1; 2756 newrole = ISP_ROLE_NONE; 2757 } 2758 break; 2759 case KNOB_ROLE_TARGET: 2760 if (fcp->role != ISP_ROLE_TARGET) { 2761 rchange = 1; 2762 newrole = ISP_ROLE_TARGET; 2763 } 2764 break; 2765 case KNOB_ROLE_INITIATOR: 2766 if (fcp->role != ISP_ROLE_INITIATOR) { 2767 rchange = 1; 2768 newrole = ISP_ROLE_INITIATOR; 2769 } 2770 break; 2771 case KNOB_ROLE_BOTH: 2772 if (fcp->role != ISP_ROLE_BOTH) { 2773 rchange = 1; 2774 newrole = ISP_ROLE_BOTH; 2775 } 2776 break; 2777 } 2778 if (rchange) { 2779 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 2780 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 2781 bus, newrole) != 0) { 2782 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2783 xpt_done(ccb); 2784 break; 2785 } 2786 } 2787 } 2788 xpt_done(ccb); 2789 break; 2790 } 2791 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 2792 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 2793 { 2794 struct ccb_sim_knob *kp = &ccb->knob; 2795 fcparam *fcp = FCPARAM(isp, bus); 2796 2797 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 2798 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 2799 switch (fcp->role) { 2800 case ISP_ROLE_NONE: 2801 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 2802 break; 2803 case ISP_ROLE_TARGET: 2804 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 2805 break; 2806 case ISP_ROLE_INITIATOR: 2807 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 2808 break; 2809 case ISP_ROLE_BOTH: 2810 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 2811 break; 2812 } 2813 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 2814 ccb->ccb_h.status = CAM_REQ_CMP; 2815 xpt_done(ccb); 2816 break; 2817 } 2818 case XPT_PATH_INQ: /* Path routing inquiry */ 2819 { 2820 struct ccb_pathinq *cpi = &ccb->cpi; 2821 2822 cpi->version_num = 1; 2823 #ifdef ISP_TARGET_MODE 2824 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 2825 #else 2826 cpi->target_sprt = 0; 2827 #endif 2828 cpi->hba_eng_cnt = 0; 2829 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 2830 cpi->max_lun = 255; 2831 cpi->bus_id = cam_sim_bus(sim); 2832 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 2833 2834 fcp = FCPARAM(isp, bus); 2835 2836 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 2837 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 2838 2839 /* 2840 * Because our loop ID can shift from time to time, 2841 * make our initiator ID out of range of our bus. 2842 */ 2843 cpi->initiator_id = cpi->max_target + 1; 2844 2845 /* 2846 * Set base transfer capabilities for Fibre Channel, for this HBA. 2847 */ 2848 if (IS_25XX(isp)) 2849 cpi->base_transfer_speed = 8000000; 2850 else 2851 cpi->base_transfer_speed = 4000000; 2852 cpi->hba_inquiry = PI_TAG_ABLE; 2853 cpi->transport = XPORT_FC; 2854 cpi->transport_version = 0; 2855 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 2856 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 2857 cpi->xport_specific.fc.port = fcp->isp_portid; 2858 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 2859 cpi->protocol = PROTO_SCSI; 2860 cpi->protocol_version = SCSI_REV_2; 2861 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2862 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 2863 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 2864 cpi->unit_number = cam_sim_unit(sim); 2865 cpi->ccb_h.status = CAM_REQ_CMP; 2866 xpt_done(ccb); 2867 break; 2868 } 2869 default: 2870 ccb->ccb_h.status = CAM_REQ_INVALID; 2871 xpt_done(ccb); 2872 break; 2873 } 2874 } 2875 2876 void 2877 isp_done(XS_T *sccb) 2878 { 2879 ispsoftc_t *isp = XS_ISP(sccb); 2880 uint32_t status; 2881 2882 if (XS_NOERR(sccb)) 2883 XS_SETERR(sccb, CAM_REQ_CMP); 2884 2885 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 2886 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 2887 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 2888 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 2889 } else { 2890 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 2891 } 2892 } 2893 2894 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2895 status = sccb->ccb_h.status & CAM_STATUS_MASK; 2896 if (status != CAM_REQ_CMP && 2897 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 2898 sccb->ccb_h.status |= CAM_DEV_QFRZN; 2899 xpt_freeze_devq(sccb->ccb_h.path, 1); 2900 } 2901 2902 if (ISP_PCMD(sccb)) { 2903 if (callout_active(&PISP_PCMD(sccb)->wdog)) 2904 callout_stop(&PISP_PCMD(sccb)->wdog); 2905 isp_free_pcmd(isp, (union ccb *) sccb); 2906 } 2907 isp_rq_check_below(isp); 2908 xpt_done((union ccb *) sccb); 2909 } 2910 2911 void 2912 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 2913 { 2914 int bus; 2915 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 2916 char buf[64]; 2917 char *msg = NULL; 2918 target_id_t tgt = 0; 2919 fcportdb_t *lp; 2920 struct isp_fc *fc; 2921 struct ac_contract ac; 2922 struct ac_device_changed *adc; 2923 va_list ap; 2924 2925 switch (cmd) { 2926 case ISPASYNC_BUS_RESET: 2927 { 2928 va_start(ap, cmd); 2929 bus = va_arg(ap, int); 2930 va_end(ap); 2931 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 2932 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 2933 break; 2934 } 2935 case ISPASYNC_LOOP_RESET: 2936 { 2937 uint16_t lipp; 2938 fcparam *fcp; 2939 va_start(ap, cmd); 2940 bus = va_arg(ap, int); 2941 va_end(ap); 2942 2943 lipp = ISP_READ(isp, OUTMAILBOX1); 2944 fcp = FCPARAM(isp, bus); 2945 2946 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp); 2947 /* 2948 * Per FCP-4, a Reset LIP should result in a CRN reset. Other 2949 * LIPs and loop up/down events should never reset the CRN. For 2950 * an as of yet unknown reason, 24xx series cards (and 2951 * potentially others) can interrupt with a LIP Reset status 2952 * when no LIP reset came down the wire. Additionally, the LIP 2953 * primitive accompanying this status would not be a valid LIP 2954 * Reset primitive, but some variation of an invalid AL_PA 2955 * LIP. As a result, we have to verify the AL_PD in the LIP 2956 * addresses our port before blindly resetting. 2957 */ 2958 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF))) 2959 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 2960 isp_loop_changed(isp, bus); 2961 break; 2962 } 2963 case ISPASYNC_LIP: 2964 if (msg == NULL) 2965 msg = "LIP Received"; 2966 /* FALLTHROUGH */ 2967 case ISPASYNC_LOOP_DOWN: 2968 if (msg == NULL) 2969 msg = "LOOP Down"; 2970 /* FALLTHROUGH */ 2971 case ISPASYNC_LOOP_UP: 2972 if (msg == NULL) 2973 msg = "LOOP Up"; 2974 va_start(ap, cmd); 2975 bus = va_arg(ap, int); 2976 va_end(ap); 2977 isp_loop_changed(isp, bus); 2978 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 2979 break; 2980 case ISPASYNC_DEV_ARRIVED: 2981 va_start(ap, cmd); 2982 bus = va_arg(ap, int); 2983 lp = va_arg(ap, fcportdb_t *); 2984 va_end(ap); 2985 fc = ISP_FC_PC(isp, bus); 2986 tgt = FC_PORTDB_TGT(isp, bus, lp); 2987 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 2988 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 2989 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 2990 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 2991 lp->is_target = 1; 2992 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2993 isp_make_here(isp, lp, bus, tgt); 2994 } 2995 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 2996 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 2997 lp->is_initiator = 1; 2998 ac.contract_number = AC_CONTRACT_DEV_CHG; 2999 adc = (struct ac_device_changed *) ac.contract_data; 3000 adc->wwpn = lp->port_wwn; 3001 adc->port = lp->portid; 3002 adc->target = tgt; 3003 adc->arrived = 1; 3004 xpt_async(AC_CONTRACT, fc->path, &ac); 3005 } 3006 break; 3007 case ISPASYNC_DEV_CHANGED: 3008 case ISPASYNC_DEV_STAYED: 3009 { 3010 int crn_reset_done; 3011 3012 crn_reset_done = 0; 3013 va_start(ap, cmd); 3014 bus = va_arg(ap, int); 3015 lp = va_arg(ap, fcportdb_t *); 3016 va_end(ap); 3017 fc = ISP_FC_PC(isp, bus); 3018 tgt = FC_PORTDB_TGT(isp, bus, lp); 3019 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 3020 if (cmd == ISPASYNC_DEV_CHANGED) 3021 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 3022 else 3023 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 3024 3025 if (lp->is_target != 3026 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3027 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 3028 lp->is_target = !lp->is_target; 3029 if (lp->is_target) { 3030 if (cmd == ISPASYNC_DEV_CHANGED) { 3031 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3032 crn_reset_done = 1; 3033 } 3034 isp_make_here(isp, lp, bus, tgt); 3035 } else { 3036 isp_make_gone(isp, lp, bus, tgt); 3037 if (cmd == ISPASYNC_DEV_CHANGED) { 3038 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3039 crn_reset_done = 1; 3040 } 3041 } 3042 } 3043 if (lp->is_initiator != 3044 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3045 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 3046 lp->is_initiator = !lp->is_initiator; 3047 ac.contract_number = AC_CONTRACT_DEV_CHG; 3048 adc = (struct ac_device_changed *) ac.contract_data; 3049 adc->wwpn = lp->port_wwn; 3050 adc->port = lp->portid; 3051 adc->target = tgt; 3052 adc->arrived = lp->is_initiator; 3053 xpt_async(AC_CONTRACT, fc->path, &ac); 3054 } 3055 3056 if ((cmd == ISPASYNC_DEV_CHANGED) && 3057 (crn_reset_done == 0)) 3058 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3059 3060 break; 3061 } 3062 case ISPASYNC_DEV_GONE: 3063 va_start(ap, cmd); 3064 bus = va_arg(ap, int); 3065 lp = va_arg(ap, fcportdb_t *); 3066 va_end(ap); 3067 fc = ISP_FC_PC(isp, bus); 3068 tgt = FC_PORTDB_TGT(isp, bus, lp); 3069 /* 3070 * If this has a virtual target or initiator set the isp_gdt 3071 * timer running on it to delay its departure. 3072 */ 3073 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3074 if (lp->is_target || lp->is_initiator) { 3075 lp->state = FC_PORTDB_STATE_ZOMBIE; 3076 lp->gone_timer = fc->gone_device_time; 3077 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 3078 if (fc->ready && !callout_active(&fc->gdt)) { 3079 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); 3080 callout_reset(&fc->gdt, hz, isp_gdt, fc); 3081 } 3082 break; 3083 } 3084 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 3085 break; 3086 case ISPASYNC_CHANGE_NOTIFY: 3087 { 3088 char *msg; 3089 int evt, nphdl, nlstate, portid, reason; 3090 3091 va_start(ap, cmd); 3092 bus = va_arg(ap, int); 3093 evt = va_arg(ap, int); 3094 if (evt == ISPASYNC_CHANGE_PDB) { 3095 nphdl = va_arg(ap, int); 3096 nlstate = va_arg(ap, int); 3097 reason = va_arg(ap, int); 3098 } else if (evt == ISPASYNC_CHANGE_SNS) { 3099 portid = va_arg(ap, int); 3100 } else { 3101 nphdl = NIL_HANDLE; 3102 nlstate = reason = 0; 3103 } 3104 va_end(ap); 3105 3106 if (evt == ISPASYNC_CHANGE_PDB) { 3107 int tgt_set = 0; 3108 msg = "Port Database Changed"; 3109 isp_prt(isp, ISP_LOGINFO, 3110 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3111 bus, msg, nphdl, nlstate, reason); 3112 /* 3113 * Port database syncs are not sufficient for 3114 * determining that logins or logouts are done on the 3115 * loop, but this information is directly available from 3116 * the reason code from the incoming mbox. We must reset 3117 * the fcp crn on these events according to FCP-4 3118 */ 3119 switch (reason) { 3120 case PDB24XX_AE_IMPL_LOGO_1: 3121 case PDB24XX_AE_IMPL_LOGO_2: 3122 case PDB24XX_AE_IMPL_LOGO_3: 3123 case PDB24XX_AE_PLOGI_RCVD: 3124 case PDB24XX_AE_PRLI_RCVD: 3125 case PDB24XX_AE_PRLO_RCVD: 3126 case PDB24XX_AE_LOGO_RCVD: 3127 case PDB24XX_AE_PLOGI_DONE: 3128 case PDB24XX_AE_PRLI_DONE: 3129 /* 3130 * If the event is not global, twiddle tgt and 3131 * tgt_set to nominate only the target 3132 * associated with the nphdl. 3133 */ 3134 if (nphdl != PDB24XX_AE_GLOBAL) { 3135 /* Break if we don't yet have the pdb */ 3136 if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp)) 3137 break; 3138 tgt = FC_PORTDB_TGT(isp, bus, lp); 3139 tgt_set = 1; 3140 } 3141 isp_fcp_reset_crn(isp, bus, tgt, tgt_set); 3142 break; 3143 default: 3144 break; /* NOP */ 3145 } 3146 } else if (evt == ISPASYNC_CHANGE_SNS) { 3147 msg = "Name Server Database Changed"; 3148 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3149 bus, msg, portid); 3150 } else { 3151 msg = "Other Change Notify"; 3152 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3153 } 3154 isp_loop_changed(isp, bus); 3155 break; 3156 } 3157 #ifdef ISP_TARGET_MODE 3158 case ISPASYNC_TARGET_NOTIFY: 3159 { 3160 isp_notify_t *notify; 3161 va_start(ap, cmd); 3162 notify = va_arg(ap, isp_notify_t *); 3163 va_end(ap); 3164 switch (notify->nt_ncode) { 3165 case NT_ABORT_TASK: 3166 case NT_ABORT_TASK_SET: 3167 case NT_CLEAR_ACA: 3168 case NT_CLEAR_TASK_SET: 3169 case NT_LUN_RESET: 3170 case NT_TARGET_RESET: 3171 case NT_QUERY_TASK_SET: 3172 case NT_QUERY_ASYNC_EVENT: 3173 /* 3174 * These are task management functions. 3175 */ 3176 isp_handle_platform_target_tmf(isp, notify); 3177 break; 3178 case NT_BUS_RESET: 3179 case NT_LIP_RESET: 3180 case NT_LINK_UP: 3181 case NT_LINK_DOWN: 3182 case NT_HBA_RESET: 3183 /* 3184 * No action need be taken here. 3185 */ 3186 break; 3187 case NT_GLOBAL_LOGOUT: 3188 case NT_LOGOUT: 3189 /* 3190 * This is device arrival/departure notification 3191 */ 3192 isp_handle_platform_target_notify_ack(isp, notify, 0); 3193 break; 3194 case NT_SRR: 3195 isp_handle_platform_srr(isp, notify); 3196 break; 3197 default: 3198 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3199 isp_handle_platform_target_notify_ack(isp, notify, 0); 3200 break; 3201 } 3202 break; 3203 } 3204 case ISPASYNC_TARGET_NOTIFY_ACK: 3205 { 3206 void *inot; 3207 va_start(ap, cmd); 3208 inot = va_arg(ap, void *); 3209 va_end(ap); 3210 if (isp_notify_ack(isp, inot)) { 3211 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3212 if (tp) { 3213 tp->isp = isp; 3214 memcpy(tp->data, inot, sizeof (tp->data)); 3215 tp->not = tp->data; 3216 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3217 callout_reset(&tp->timer, 5, 3218 isp_refire_notify_ack, tp); 3219 } else { 3220 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3221 } 3222 } 3223 break; 3224 } 3225 case ISPASYNC_TARGET_ACTION: 3226 { 3227 isphdr_t *hp; 3228 3229 va_start(ap, cmd); 3230 hp = va_arg(ap, isphdr_t *); 3231 va_end(ap); 3232 switch (hp->rqs_entry_type) { 3233 case RQSTYPE_ATIO: 3234 isp_handle_platform_atio7(isp, (at7_entry_t *)hp); 3235 break; 3236 case RQSTYPE_CTIO7: 3237 isp_handle_platform_ctio(isp, (ct7_entry_t *)hp); 3238 break; 3239 default: 3240 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3241 __func__, hp->rqs_entry_type); 3242 break; 3243 } 3244 break; 3245 } 3246 #endif 3247 case ISPASYNC_FW_CRASH: 3248 { 3249 uint16_t mbox1; 3250 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3251 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error @ RISC Address 0x%x", mbox1); 3252 #if 0 3253 isp_reinit(isp, 1); 3254 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 3255 #endif 3256 break; 3257 } 3258 default: 3259 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 3260 break; 3261 } 3262 } 3263 3264 uint64_t 3265 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 3266 { 3267 uint64_t seed; 3268 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3269 3270 /* First try to use explicitly configured WWNs. */ 3271 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 3272 if (seed) 3273 return (seed); 3274 3275 /* Otherwise try to use WWNs from NVRAM. */ 3276 if (isactive) { 3277 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 3278 FCPARAM(isp, chan)->isp_wwpn_nvram; 3279 if (seed) 3280 return (seed); 3281 } 3282 3283 /* If still no WWNs, try to steal them from the first channel. */ 3284 if (chan > 0) { 3285 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 3286 ISP_FC_PC(isp, 0)->def_wwpn; 3287 if (seed == 0) { 3288 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 3289 FCPARAM(isp, 0)->isp_wwpn_nvram; 3290 } 3291 } 3292 3293 /* If still nothing -- improvise. */ 3294 if (seed == 0) { 3295 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 3296 if (!iswwnn) 3297 seed ^= 0x0100000000000000ULL; 3298 } 3299 3300 /* For additional channels we have to improvise even more. */ 3301 if (!iswwnn && chan > 0) { 3302 /* 3303 * We'll stick our channel number plus one first into bits 3304 * 57..59 and thence into bits 52..55 which allows for 8 bits 3305 * of channel which is enough for our maximum of 255 channels. 3306 */ 3307 seed ^= 0x0100000000000000ULL; 3308 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 3309 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 3310 } 3311 return (seed); 3312 } 3313 3314 void 3315 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 3316 { 3317 int loc; 3318 char lbuf[200]; 3319 va_list ap; 3320 3321 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3322 return; 3323 } 3324 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 3325 loc = strlen(lbuf); 3326 va_start(ap, fmt); 3327 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 3328 va_end(ap); 3329 printf("%s\n", lbuf); 3330 } 3331 3332 void 3333 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 3334 { 3335 va_list ap; 3336 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3337 return; 3338 } 3339 xpt_print_path(xs->ccb_h.path); 3340 va_start(ap, fmt); 3341 vprintf(fmt, ap); 3342 va_end(ap); 3343 printf("\n"); 3344 } 3345 3346 uint64_t 3347 isp_nanotime_sub(struct timespec *b, struct timespec *a) 3348 { 3349 uint64_t elapsed; 3350 struct timespec x; 3351 3352 timespecsub(b, a, &x); 3353 elapsed = GET_NANOSEC(&x); 3354 if (elapsed == 0) 3355 elapsed++; 3356 return (elapsed); 3357 } 3358 3359 int 3360 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 3361 { 3362 int ret = 0; 3363 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 3364 ret = -1; 3365 } else { 3366 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 3367 } 3368 return (ret); 3369 } 3370 3371 void 3372 isp_platform_intr(void *arg) 3373 { 3374 ispsoftc_t *isp = arg; 3375 3376 ISP_LOCK(isp); 3377 ISP_RUN_ISR(isp); 3378 ISP_UNLOCK(isp); 3379 } 3380 3381 void 3382 isp_platform_intr_resp(void *arg) 3383 { 3384 ispsoftc_t *isp = arg; 3385 3386 ISP_LOCK(isp); 3387 isp_intr_respq(isp); 3388 ISP_UNLOCK(isp); 3389 3390 /* We have handshake enabled, so explicitly complete interrupt */ 3391 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 3392 } 3393 3394 void 3395 isp_platform_intr_atio(void *arg) 3396 { 3397 ispsoftc_t *isp = arg; 3398 3399 ISP_LOCK(isp); 3400 #ifdef ISP_TARGET_MODE 3401 isp_intr_atioq(isp); 3402 #endif 3403 ISP_UNLOCK(isp); 3404 3405 /* We have handshake enabled, so explicitly complete interrupt */ 3406 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 3407 } 3408 3409 typedef struct { 3410 ispsoftc_t *isp; 3411 struct ccb_scsiio *csio; 3412 void *qe; 3413 int error; 3414 } mush_t; 3415 3416 static void 3417 isp_dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 3418 { 3419 mush_t *mp = (mush_t *) arg; 3420 ispsoftc_t *isp= mp->isp; 3421 struct ccb_scsiio *csio = mp->csio; 3422 bus_dmasync_op_t op; 3423 3424 if (error) { 3425 mp->error = error; 3426 return; 3427 } 3428 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ 3429 ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) 3430 op = BUS_DMASYNC_PREREAD; 3431 else 3432 op = BUS_DMASYNC_PREWRITE; 3433 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op); 3434 3435 mp->error = ISP_SEND_CMD(isp, mp->qe, dm_segs, nseg); 3436 if (mp->error) 3437 isp_dmafree(isp, csio); 3438 } 3439 3440 int 3441 isp_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *qe) 3442 { 3443 mush_t mp; 3444 int error; 3445 3446 if (XS_XFRLEN(csio)) { 3447 mp.isp = isp; 3448 mp.csio = csio; 3449 mp.qe = qe; 3450 mp.error = 0; 3451 error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, 3452 (union ccb *)csio, isp_dma2, &mp, BUS_DMA_NOWAIT); 3453 if (error == 0) 3454 error = mp.error; 3455 } else { 3456 error = ISP_SEND_CMD(isp, qe, NULL, 0); 3457 } 3458 switch (error) { 3459 case 0: 3460 case CMD_COMPLETE: 3461 case CMD_EAGAIN: 3462 case CMD_RQLATER: 3463 break; 3464 case ENOMEM: 3465 error = CMD_EAGAIN; 3466 break; 3467 case EINVAL: 3468 case EFBIG: 3469 csio->ccb_h.status = CAM_REQ_INVALID; 3470 error = CMD_COMPLETE; 3471 break; 3472 default: 3473 csio->ccb_h.status = CAM_UNREC_HBA_ERROR; 3474 error = CMD_COMPLETE; 3475 break; 3476 } 3477 return (error); 3478 } 3479 3480 void 3481 isp_dmafree(ispsoftc_t *isp, struct ccb_scsiio *csio) 3482 { 3483 bus_dmasync_op_t op; 3484 3485 if (XS_XFRLEN(csio) == 0) 3486 return; 3487 3488 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ 3489 ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) 3490 op = BUS_DMASYNC_POSTREAD; 3491 else 3492 op = BUS_DMASYNC_POSTWRITE; 3493 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op); 3494 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 3495 } 3496 3497 /* 3498 * Reset the command reference number for all LUNs on a specific target 3499 * (needed when a target arrives again) or for all targets on a port 3500 * (needed for events like a LIP). 3501 */ 3502 void 3503 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 3504 { 3505 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3506 struct isp_nexus *nxp; 3507 int i; 3508 3509 if (tgt_set == 0) 3510 isp_prt(isp, ISP_LOGDEBUG0, 3511 "Chan %d resetting CRN on all targets", chan); 3512 else 3513 isp_prt(isp, ISP_LOGDEBUG0, 3514 "Chan %d resetting CRN on target %u", chan, tgt); 3515 3516 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 3517 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 3518 if (tgt_set == 0 || tgt == nxp->tgt) 3519 nxp->crnseed = 0; 3520 } 3521 } 3522 } 3523 3524 int 3525 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 3526 { 3527 lun_id_t lun; 3528 uint32_t chan, tgt; 3529 struct isp_fc *fc; 3530 struct isp_nexus *nxp; 3531 int idx; 3532 3533 chan = XS_CHANNEL(cmd); 3534 tgt = XS_TGT(cmd); 3535 lun = XS_LUN(cmd); 3536 fc = &isp->isp_osinfo.pc.fc[chan]; 3537 idx = NEXUS_HASH(tgt, lun); 3538 nxp = fc->nexus_hash[idx]; 3539 3540 while (nxp) { 3541 if (nxp->tgt == tgt && nxp->lun == lun) 3542 break; 3543 nxp = nxp->next; 3544 } 3545 if (nxp == NULL) { 3546 nxp = fc->nexus_free_list; 3547 if (nxp == NULL) { 3548 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 3549 if (nxp == NULL) { 3550 return (-1); 3551 } 3552 } else { 3553 fc->nexus_free_list = nxp->next; 3554 } 3555 nxp->tgt = tgt; 3556 nxp->lun = lun; 3557 nxp->next = fc->nexus_hash[idx]; 3558 fc->nexus_hash[idx] = nxp; 3559 } 3560 if (nxp->crnseed == 0) 3561 nxp->crnseed = 1; 3562 *crnp = nxp->crnseed++; 3563 return (0); 3564 } 3565 3566 /* 3567 * We enter with the lock held 3568 */ 3569 void 3570 isp_timer(void *arg) 3571 { 3572 ispsoftc_t *isp = arg; 3573 #ifdef ISP_TARGET_MODE 3574 isp_tmcmd_restart(isp); 3575 #endif 3576 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 3577 } 3578 3579 #ifdef ISP_TARGET_MODE 3580 isp_ecmd_t * 3581 isp_get_ecmd(ispsoftc_t *isp) 3582 { 3583 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 3584 if (ecmd) { 3585 isp->isp_osinfo.ecmd_free = ecmd->next; 3586 } 3587 return (ecmd); 3588 } 3589 3590 void 3591 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 3592 { 3593 ecmd->next = isp->isp_osinfo.ecmd_free; 3594 isp->isp_osinfo.ecmd_free = ecmd; 3595 } 3596 #endif 3597