1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009-2017 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 d_ioctl_t ispioctl; 58 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *); 59 static void isp_poll(struct cam_sim *); 60 static callout_func_t isp_watchdog; 61 static callout_func_t isp_gdt; 62 static task_fn_t isp_gdt_task; 63 static void isp_kthread(void *); 64 static void isp_action(struct cam_sim *, union ccb *); 65 static int isp_timer_count; 66 static void isp_timer(void *); 67 68 static struct cdevsw isp_cdevsw = { 69 .d_version = D_VERSION, 70 .d_ioctl = ispioctl, 71 .d_name = "isp", 72 }; 73 74 static int 75 isp_role_sysctl(SYSCTL_HANDLER_ARGS) 76 { 77 ispsoftc_t *isp = (ispsoftc_t *)arg1; 78 int chan = arg2; 79 int error, old, value; 80 81 value = FCPARAM(isp, chan)->role; 82 83 error = sysctl_handle_int(oidp, &value, 0, req); 84 if ((error != 0) || (req->newptr == NULL)) 85 return (error); 86 87 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 88 return (EINVAL); 89 90 ISP_LOCK(isp); 91 old = FCPARAM(isp, chan)->role; 92 93 /* We don't allow target mode switch from here. */ 94 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 95 96 /* If nothing has changed -- we are done. */ 97 if (value == old) { 98 ISP_UNLOCK(isp); 99 return (0); 100 } 101 102 /* Actually change the role. */ 103 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 104 ISP_UNLOCK(isp); 105 return (error); 106 } 107 108 static int 109 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 110 { 111 struct ccb_setasync csa; 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 ISP_LOCK(isp); 125 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 126 ISP_UNLOCK(isp); 127 cam_sim_free(sim, FALSE); 128 return (EIO); 129 } 130 ISP_UNLOCK(isp); 131 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 132 ISP_LOCK(isp); 133 xpt_bus_deregister(cam_sim_path(sim)); 134 ISP_UNLOCK(isp); 135 cam_sim_free(sim, FALSE); 136 return (ENXIO); 137 } 138 xpt_setup_ccb(&csa.ccb_h, path, 5); 139 csa.ccb_h.func_code = XPT_SASYNC_CB; 140 csa.event_enable = AC_LOST_DEVICE; 141 csa.callback = isp_cam_async; 142 csa.callback_arg = sim; 143 144 ISP_LOCK(isp); 145 xpt_action((union ccb *)&csa); 146 ISP_UNLOCK(isp); 147 148 if (IS_SCSI(isp)) { 149 struct isp_spi *spi = ISP_SPI_PC(isp, chan); 150 spi->sim = sim; 151 spi->path = path; 152 #ifdef ISP_TARGET_MODE 153 TAILQ_INIT(&spi->waitq); 154 STAILQ_INIT(&spi->ntfree); 155 for (i = 0; i < ATPDPSIZE; i++) 156 STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next); 157 LIST_INIT(&spi->atfree); 158 for (i = ATPDPSIZE-1; i >= 0; i--) 159 LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next); 160 for (i = 0; i < ATPDPHASHSIZE; i++) 161 LIST_INIT(&spi->atused[i]); 162 #endif 163 } else { 164 fcparam *fcp = FCPARAM(isp, chan); 165 struct isp_fc *fc = ISP_FC_PC(isp, chan); 166 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 167 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 168 char name[16]; 169 170 ISP_LOCK(isp); 171 fc->sim = sim; 172 fc->path = path; 173 fc->isp = isp; 174 fc->ready = 1; 175 fcp->isp_use_gft_id = 1; 176 fcp->isp_use_gff_id = 1; 177 178 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0); 179 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 180 #ifdef ISP_TARGET_MODE 181 TAILQ_INIT(&fc->waitq); 182 STAILQ_INIT(&fc->ntfree); 183 for (i = 0; i < ATPDPSIZE; i++) 184 STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next); 185 LIST_INIT(&fc->atfree); 186 for (i = ATPDPSIZE-1; i >= 0; i--) 187 LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next); 188 for (i = 0; i < ATPDPHASHSIZE; i++) 189 LIST_INIT(&fc->atused[i]); 190 #endif 191 isp_loop_changed(isp, chan); 192 ISP_UNLOCK(isp); 193 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0, 194 "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 195 xpt_free_path(fc->path); 196 ISP_LOCK(isp); 197 xpt_bus_deregister(cam_sim_path(fc->sim)); 198 ISP_UNLOCK(isp); 199 cam_sim_free(fc->sim, FALSE); 200 return (ENOMEM); 201 } 202 fc->num_threads += 1; 203 if (chan > 0) { 204 snprintf(name, sizeof(name), "chan%d", chan); 205 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 206 OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 207 "Virtual channel"); 208 } 209 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 210 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 211 "World Wide Node Name"); 212 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 213 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 214 "World Wide Port Name"); 215 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 216 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 217 "Loop Down Limit"); 218 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 219 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 220 "Gone Device Time"); 221 #if defined(ISP_TARGET_MODE) && defined(DEBUG) 222 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 223 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 224 "Cause a Lost Frame on a Read"); 225 #endif 226 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 227 "role", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 228 isp, chan, isp_role_sysctl, "I", "Current role"); 229 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 230 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 231 "Connection speed in gigabits"); 232 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 233 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 234 "Link state"); 235 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 236 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 237 "Firmware state"); 238 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 239 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 240 "Loop state"); 241 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 242 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 243 "Connection topology"); 244 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 245 "use_gft_id", CTLFLAG_RWTUN, &fcp->isp_use_gft_id, 0, 246 "Use GFT_ID during fabric scan"); 247 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 248 "use_gff_id", CTLFLAG_RWTUN, &fcp->isp_use_gff_id, 0, 249 "Use GFF_ID during fabric scan"); 250 } 251 return (0); 252 } 253 254 static void 255 isp_detach_chan(ispsoftc_t *isp, int chan) 256 { 257 struct cam_sim *sim; 258 struct cam_path *path; 259 struct ccb_setasync csa; 260 int *num_threads; 261 262 ISP_GET_PC(isp, chan, sim, sim); 263 ISP_GET_PC(isp, chan, path, path); 264 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 265 266 xpt_setup_ccb(&csa.ccb_h, path, 5); 267 csa.ccb_h.func_code = XPT_SASYNC_CB; 268 csa.event_enable = 0; 269 csa.callback = isp_cam_async; 270 csa.callback_arg = sim; 271 xpt_action((union ccb *)&csa); 272 xpt_free_path(path); 273 xpt_bus_deregister(cam_sim_path(sim)); 274 cam_sim_free(sim, FALSE); 275 276 /* Wait for the channel's spawned threads to exit. */ 277 wakeup(isp->isp_osinfo.pc.ptr); 278 while (*num_threads != 0) 279 mtx_sleep(isp, &isp->isp_lock, PRIBIO, "isp_reap", 100); 280 } 281 282 int 283 isp_attach(ispsoftc_t *isp) 284 { 285 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 286 int du = device_get_unit(isp->isp_dev); 287 int chan; 288 289 /* 290 * Create the device queue for our SIM(s). 291 */ 292 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 293 if (isp->isp_osinfo.devq == NULL) { 294 return (EIO); 295 } 296 297 for (chan = 0; chan < isp->isp_nchan; chan++) { 298 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 299 goto unwind; 300 } 301 } 302 303 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0); 304 isp_timer_count = hz >> 2; 305 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 306 307 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 308 if (isp->isp_osinfo.cdev) { 309 isp->isp_osinfo.cdev->si_drv1 = isp; 310 } 311 return (0); 312 313 unwind: 314 while (--chan >= 0) { 315 struct cam_sim *sim; 316 struct cam_path *path; 317 318 ISP_GET_PC(isp, chan, sim, sim); 319 ISP_GET_PC(isp, chan, path, path); 320 xpt_free_path(path); 321 ISP_LOCK(isp); 322 xpt_bus_deregister(cam_sim_path(sim)); 323 ISP_UNLOCK(isp); 324 cam_sim_free(sim, FALSE); 325 } 326 cam_simq_free(isp->isp_osinfo.devq); 327 isp->isp_osinfo.devq = NULL; 328 return (-1); 329 } 330 331 int 332 isp_detach(ispsoftc_t *isp) 333 { 334 int chan; 335 336 if (isp->isp_osinfo.cdev) { 337 destroy_dev(isp->isp_osinfo.cdev); 338 isp->isp_osinfo.cdev = NULL; 339 } 340 ISP_LOCK(isp); 341 /* Tell spawned threads that we're exiting. */ 342 isp->isp_osinfo.is_exiting = 1; 343 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 344 isp_detach_chan(isp, chan); 345 ISP_UNLOCK(isp); 346 callout_drain(&isp->isp_osinfo.tmo); 347 cam_simq_free(isp->isp_osinfo.devq); 348 return (0); 349 } 350 351 static void 352 isp_freeze_loopdown(ispsoftc_t *isp, int chan) 353 { 354 struct isp_fc *fc = ISP_FC_PC(isp, chan); 355 356 if (fc->sim == NULL) 357 return; 358 if (fc->simqfrozen == 0) { 359 isp_prt(isp, ISP_LOGDEBUG0, 360 "Chan %d Freeze simq (loopdown)", chan); 361 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 362 xpt_hold_boot(); 363 xpt_freeze_simq(fc->sim, 1); 364 } else { 365 isp_prt(isp, ISP_LOGDEBUG0, 366 "Chan %d Mark simq frozen (loopdown)", chan); 367 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 368 } 369 } 370 371 static void 372 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 373 { 374 struct isp_fc *fc = ISP_FC_PC(isp, chan); 375 376 if (fc->sim == NULL) 377 return; 378 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 379 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 380 if (wasfrozen && fc->simqfrozen == 0) { 381 isp_prt(isp, ISP_LOGDEBUG0, 382 "Chan %d Release simq", chan); 383 xpt_release_simq(fc->sim, 1); 384 xpt_release_boot(); 385 } 386 } 387 388 static int 389 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 390 { 391 ispsoftc_t *isp; 392 int nr, chan, retval = ENOTTY; 393 394 isp = dev->si_drv1; 395 396 switch (c) { 397 case ISP_SDBLEV: 398 { 399 int olddblev = isp->isp_dblev; 400 isp->isp_dblev = *(int *)addr; 401 *(int *)addr = olddblev; 402 retval = 0; 403 break; 404 } 405 case ISP_GETROLE: 406 chan = *(int *)addr; 407 if (chan < 0 || chan >= isp->isp_nchan) { 408 retval = -ENXIO; 409 break; 410 } 411 if (IS_FC(isp)) { 412 *(int *)addr = FCPARAM(isp, chan)->role; 413 } else { 414 *(int *)addr = ISP_ROLE_INITIATOR; 415 } 416 retval = 0; 417 break; 418 case ISP_SETROLE: 419 if (IS_SCSI(isp)) 420 break; 421 nr = *(int *)addr; 422 chan = nr >> 8; 423 if (chan < 0 || chan >= isp->isp_nchan) { 424 retval = -ENXIO; 425 break; 426 } 427 nr &= 0xff; 428 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 429 retval = EINVAL; 430 break; 431 } 432 ISP_LOCK(isp); 433 *(int *)addr = FCPARAM(isp, chan)->role; 434 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 435 ISP_UNLOCK(isp); 436 retval = 0; 437 break; 438 439 case ISP_RESETHBA: 440 ISP_LOCK(isp); 441 isp_reinit(isp, 0); 442 ISP_UNLOCK(isp); 443 retval = 0; 444 break; 445 446 case ISP_RESCAN: 447 if (IS_FC(isp)) { 448 chan = *(intptr_t *)addr; 449 if (chan < 0 || chan >= isp->isp_nchan) { 450 retval = -ENXIO; 451 break; 452 } 453 ISP_LOCK(isp); 454 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 455 retval = EIO; 456 } else { 457 retval = 0; 458 } 459 ISP_UNLOCK(isp); 460 } 461 break; 462 463 case ISP_FC_LIP: 464 if (IS_FC(isp)) { 465 chan = *(intptr_t *)addr; 466 if (chan < 0 || chan >= isp->isp_nchan) { 467 retval = -ENXIO; 468 break; 469 } 470 ISP_LOCK(isp); 471 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 472 retval = EIO; 473 } else { 474 retval = 0; 475 } 476 ISP_UNLOCK(isp); 477 } 478 break; 479 case ISP_FC_GETDINFO: 480 { 481 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 482 fcportdb_t *lp; 483 484 if (IS_SCSI(isp)) { 485 break; 486 } 487 if (ifc->loopid >= MAX_FC_TARG) { 488 retval = EINVAL; 489 break; 490 } 491 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 492 if (lp->state != FC_PORTDB_STATE_NIL) { 493 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 494 ifc->loopid = lp->handle; 495 ifc->portid = lp->portid; 496 ifc->node_wwn = lp->node_wwn; 497 ifc->port_wwn = lp->port_wwn; 498 retval = 0; 499 } else { 500 retval = ENODEV; 501 } 502 break; 503 } 504 case ISP_FC_GETHINFO: 505 { 506 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 507 int chan = hba->fc_channel; 508 509 if (chan < 0 || chan >= isp->isp_nchan) { 510 retval = ENXIO; 511 break; 512 } 513 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 514 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 515 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 516 hba->fc_nchannels = isp->isp_nchan; 517 if (IS_FC(isp)) { 518 hba->fc_nports = MAX_FC_TARG; 519 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 520 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 521 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 522 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 523 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 524 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 525 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 526 } else { 527 hba->fc_nports = MAX_TARGETS; 528 hba->fc_speed = 0; 529 hba->fc_topology = 0; 530 hba->nvram_node_wwn = 0ull; 531 hba->nvram_port_wwn = 0ull; 532 hba->active_node_wwn = 0ull; 533 hba->active_port_wwn = 0ull; 534 } 535 retval = 0; 536 break; 537 } 538 case ISP_TSK_MGMT: 539 { 540 int needmarker; 541 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 542 uint16_t nphdl; 543 mbreg_t mbs; 544 545 if (IS_SCSI(isp)) { 546 break; 547 } 548 549 chan = fct->chan; 550 if (chan < 0 || chan >= isp->isp_nchan) { 551 retval = -ENXIO; 552 break; 553 } 554 555 needmarker = retval = 0; 556 nphdl = fct->loopid; 557 ISP_LOCK(isp); 558 if (IS_24XX(isp)) { 559 void *reqp; 560 uint8_t resp[QENTRY_LEN]; 561 isp24xx_tmf_t tmf; 562 isp24xx_statusreq_t sp; 563 fcparam *fcp = FCPARAM(isp, chan); 564 fcportdb_t *lp; 565 int i; 566 567 for (i = 0; i < MAX_FC_TARG; i++) { 568 lp = &fcp->portdb[i]; 569 if (lp->handle == nphdl) { 570 break; 571 } 572 } 573 if (i == MAX_FC_TARG) { 574 retval = ENXIO; 575 ISP_UNLOCK(isp); 576 break; 577 } 578 ISP_MEMZERO(&tmf, sizeof(tmf)); 579 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 580 tmf.tmf_header.rqs_entry_count = 1; 581 tmf.tmf_nphdl = lp->handle; 582 tmf.tmf_delay = 2; 583 tmf.tmf_timeout = 4; 584 tmf.tmf_tidlo = lp->portid; 585 tmf.tmf_tidhi = lp->portid >> 16; 586 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 587 tmf.tmf_lun[1] = fct->lun & 0xff; 588 if (fct->lun >= 256) { 589 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 590 } 591 switch (fct->action) { 592 case IPT_CLEAR_ACA: 593 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 594 break; 595 case IPT_TARGET_RESET: 596 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 597 needmarker = 1; 598 break; 599 case IPT_LUN_RESET: 600 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 601 needmarker = 1; 602 break; 603 case IPT_CLEAR_TASK_SET: 604 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 605 needmarker = 1; 606 break; 607 case IPT_ABORT_TASK_SET: 608 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 609 needmarker = 1; 610 break; 611 default: 612 retval = EINVAL; 613 break; 614 } 615 if (retval) { 616 ISP_UNLOCK(isp); 617 break; 618 } 619 620 /* Prepare space for response in memory */ 621 memset(resp, 0xff, sizeof(resp)); 622 tmf.tmf_handle = isp_allocate_handle(isp, resp, 623 ISP_HANDLE_CTRL); 624 if (tmf.tmf_handle == 0) { 625 isp_prt(isp, ISP_LOGERR, 626 "%s: TMF of Chan %d out of handles", 627 __func__, chan); 628 ISP_UNLOCK(isp); 629 retval = ENOMEM; 630 break; 631 } 632 633 /* Send request and wait for response. */ 634 reqp = isp_getrqentry(isp); 635 if (reqp == NULL) { 636 isp_prt(isp, ISP_LOGERR, 637 "%s: TMF of Chan %d out of rqent", 638 __func__, chan); 639 isp_destroy_handle(isp, tmf.tmf_handle); 640 ISP_UNLOCK(isp); 641 retval = EIO; 642 break; 643 } 644 isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp); 645 if (isp->isp_dblev & ISP_LOGDEBUG1) 646 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp); 647 ISP_SYNC_REQUEST(isp); 648 if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) { 649 isp_prt(isp, ISP_LOGERR, 650 "%s: TMF of Chan %d timed out", 651 __func__, chan); 652 isp_destroy_handle(isp, tmf.tmf_handle); 653 ISP_UNLOCK(isp); 654 retval = EIO; 655 break; 656 } 657 if (isp->isp_dblev & ISP_LOGDEBUG1) 658 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp); 659 isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp); 660 661 if (sp.req_completion_status != 0) 662 retval = EIO; 663 else if (needmarker) 664 fcp->sendmarker = 1; 665 } else { 666 MBSINIT(&mbs, 0, MBLOGALL, 0); 667 if (ISP_CAP_2KLOGIN(isp) == 0) { 668 nphdl <<= 8; 669 } 670 switch (fct->action) { 671 case IPT_CLEAR_ACA: 672 mbs.param[0] = MBOX_CLEAR_ACA; 673 mbs.param[1] = nphdl; 674 mbs.param[2] = fct->lun; 675 break; 676 case IPT_TARGET_RESET: 677 mbs.param[0] = MBOX_TARGET_RESET; 678 mbs.param[1] = nphdl; 679 needmarker = 1; 680 break; 681 case IPT_LUN_RESET: 682 mbs.param[0] = MBOX_LUN_RESET; 683 mbs.param[1] = nphdl; 684 mbs.param[2] = fct->lun; 685 needmarker = 1; 686 break; 687 case IPT_CLEAR_TASK_SET: 688 mbs.param[0] = MBOX_CLEAR_TASK_SET; 689 mbs.param[1] = nphdl; 690 mbs.param[2] = fct->lun; 691 needmarker = 1; 692 break; 693 case IPT_ABORT_TASK_SET: 694 mbs.param[0] = MBOX_ABORT_TASK_SET; 695 mbs.param[1] = nphdl; 696 mbs.param[2] = fct->lun; 697 needmarker = 1; 698 break; 699 default: 700 retval = EINVAL; 701 break; 702 } 703 if (retval == 0) { 704 if (needmarker) { 705 FCPARAM(isp, chan)->sendmarker = 1; 706 } 707 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 708 if (retval) { 709 retval = EIO; 710 } 711 } 712 } 713 ISP_UNLOCK(isp); 714 break; 715 } 716 default: 717 break; 718 } 719 return (retval); 720 } 721 722 /* 723 * Local Inlines 724 */ 725 726 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 727 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 728 729 static ISP_INLINE int 730 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 731 { 732 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 733 if (ISP_PCMD(ccb) == NULL) { 734 return (-1); 735 } 736 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 737 return (0); 738 } 739 740 static ISP_INLINE void 741 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 742 { 743 if (ISP_PCMD(ccb)) { 744 #ifdef ISP_TARGET_MODE 745 PISP_PCMD(ccb)->datalen = 0; 746 #endif 747 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 748 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 749 ISP_PCMD(ccb) = NULL; 750 } 751 } 752 753 /* 754 * Put the target mode functions here, because some are inlines 755 */ 756 #ifdef ISP_TARGET_MODE 757 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 758 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 759 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 760 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 761 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 762 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 763 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 764 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 765 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 766 static void isp_enable_lun(ispsoftc_t *, union ccb *); 767 static void isp_disable_lun(ispsoftc_t *, union ccb *); 768 static callout_func_t isp_refire_putback_atio; 769 static callout_func_t isp_refire_notify_ack; 770 static void isp_complete_ctio(union ccb *); 771 static void isp_target_putback_atio(union ccb *); 772 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 773 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 774 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 775 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 776 static void isp_handle_platform_ctio(ispsoftc_t *, void *); 777 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 778 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 779 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 780 781 static ISP_INLINE tstate_t * 782 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 783 { 784 tstate_t *tptr = NULL; 785 struct tslist *lhp; 786 787 if (bus < isp->isp_nchan) { 788 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 789 SLIST_FOREACH(tptr, lhp, next) { 790 if (tptr->ts_lun == lun) 791 return (tptr); 792 } 793 } 794 return (NULL); 795 } 796 797 static int 798 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 799 { 800 inot_private_data_t *ntp; 801 struct ntpdlist rq; 802 803 if (STAILQ_EMPTY(&tptr->restart_queue)) 804 return (0); 805 STAILQ_INIT(&rq); 806 STAILQ_CONCAT(&rq, &tptr->restart_queue); 807 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 808 STAILQ_REMOVE_HEAD(&rq, next); 809 if (IS_24XX(isp)) { 810 isp_prt(isp, ISP_LOGTDEBUG0, 811 "%s: restarting resrc deprived %x", __func__, 812 ((at7_entry_t *)ntp->data)->at_rxid); 813 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 814 } else { 815 isp_prt(isp, ISP_LOGTDEBUG0, 816 "%s: restarting resrc deprived %x", __func__, 817 ((at2_entry_t *)ntp->data)->at_rxid); 818 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data); 819 } 820 isp_put_ntpd(isp, bus, ntp); 821 if (!STAILQ_EMPTY(&tptr->restart_queue)) 822 break; 823 } 824 if (!STAILQ_EMPTY(&rq)) { 825 STAILQ_CONCAT(&rq, &tptr->restart_queue); 826 STAILQ_CONCAT(&tptr->restart_queue, &rq); 827 } 828 return (!STAILQ_EMPTY(&tptr->restart_queue)); 829 } 830 831 static void 832 isp_tmcmd_restart(ispsoftc_t *isp) 833 { 834 tstate_t *tptr; 835 union ccb *ccb; 836 struct tslist *lhp; 837 struct isp_ccbq *waitq; 838 int bus, i; 839 840 for (bus = 0; bus < isp->isp_nchan; bus++) { 841 for (i = 0; i < LUN_HASH_SIZE; i++) { 842 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 843 SLIST_FOREACH(tptr, lhp, next) 844 isp_atio_restart(isp, bus, tptr); 845 } 846 847 /* 848 * We only need to do this once per channel. 849 */ 850 ISP_GET_PC_ADDR(isp, bus, waitq, waitq); 851 ccb = (union ccb *)TAILQ_FIRST(waitq); 852 if (ccb != NULL) { 853 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 854 isp_target_start_ctio(isp, ccb, FROM_TIMER); 855 } 856 } 857 } 858 859 static atio_private_data_t * 860 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 861 { 862 struct atpdlist *atfree; 863 struct atpdlist *atused; 864 atio_private_data_t *atp; 865 866 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 867 atp = LIST_FIRST(atfree); 868 if (atp) { 869 LIST_REMOVE(atp, next); 870 atp->tag = tag; 871 ISP_GET_PC(isp, chan, atused, atused); 872 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next); 873 } 874 return (atp); 875 } 876 877 static atio_private_data_t * 878 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 879 { 880 struct atpdlist *atused; 881 atio_private_data_t *atp; 882 883 ISP_GET_PC(isp, chan, atused, atused); 884 LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) { 885 if (atp->tag == tag) 886 return (atp); 887 } 888 return (NULL); 889 } 890 891 static void 892 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 893 { 894 struct atpdlist *atfree; 895 896 if (atp->ests) { 897 isp_put_ecmd(isp, atp->ests); 898 } 899 LIST_REMOVE(atp, next); 900 memset(atp, 0, sizeof (*atp)); 901 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 902 LIST_INSERT_HEAD(atfree, atp, next); 903 } 904 905 static void 906 isp_dump_atpd(ispsoftc_t *isp, int chan) 907 { 908 atio_private_data_t *atp, *atpool; 909 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 910 911 ISP_GET_PC(isp, chan, atpool, atpool); 912 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 913 if (atp->state == ATPD_STATE_FREE) 914 continue; 915 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", 916 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]); 917 } 918 } 919 920 static inot_private_data_t * 921 isp_get_ntpd(ispsoftc_t *isp, int chan) 922 { 923 struct ntpdlist *ntfree; 924 inot_private_data_t *ntp; 925 926 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 927 ntp = STAILQ_FIRST(ntfree); 928 if (ntp) 929 STAILQ_REMOVE_HEAD(ntfree, next); 930 return (ntp); 931 } 932 933 static inot_private_data_t * 934 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 935 { 936 inot_private_data_t *ntp, *ntp2; 937 938 ISP_GET_PC(isp, chan, ntpool, ntp); 939 ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2); 940 for (; ntp < ntp2; ntp++) { 941 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 942 return (ntp); 943 } 944 return (NULL); 945 } 946 947 static void 948 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 949 { 950 struct ntpdlist *ntfree; 951 952 ntp->tag_id = ntp->seq_id = 0; 953 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 954 STAILQ_INSERT_HEAD(ntfree, ntp, next); 955 } 956 957 static cam_status 958 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 959 { 960 lun_id_t lun; 961 struct tslist *lhp; 962 tstate_t *tptr; 963 964 lun = xpt_path_lun_id(path); 965 if (lun != CAM_LUN_WILDCARD) { 966 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) { 967 return (CAM_LUN_INVALID); 968 } 969 } 970 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 971 if (tptr == NULL) { 972 return (CAM_RESRC_UNAVAIL); 973 } 974 tptr->ts_lun = lun; 975 SLIST_INIT(&tptr->atios); 976 SLIST_INIT(&tptr->inots); 977 STAILQ_INIT(&tptr->restart_queue); 978 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 979 SLIST_INSERT_HEAD(lhp, tptr, next); 980 *rslt = tptr; 981 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 982 return (CAM_REQ_CMP); 983 } 984 985 static void 986 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 987 { 988 union ccb *ccb; 989 struct tslist *lhp; 990 inot_private_data_t *ntp; 991 992 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 993 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 994 ccb->ccb_h.status = CAM_REQ_ABORTED; 995 xpt_done(ccb); 996 }; 997 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 998 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 999 ccb->ccb_h.status = CAM_REQ_ABORTED; 1000 xpt_done(ccb); 1001 } 1002 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 1003 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 1004 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 1005 isp_put_ntpd(isp, bus, ntp); 1006 } 1007 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 1008 SLIST_REMOVE(lhp, tptr, tstate, next); 1009 free(tptr, M_DEVBUF); 1010 } 1011 1012 static void 1013 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1014 { 1015 tstate_t *tptr; 1016 int bus; 1017 target_id_t target; 1018 lun_id_t lun; 1019 1020 if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) { 1021 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n"); 1022 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1023 xpt_done(ccb); 1024 return; 1025 } 1026 1027 /* 1028 * We only support either target and lun both wildcard 1029 * or target and lun both non-wildcard. 1030 */ 1031 bus = XS_CHANNEL(ccb); 1032 target = ccb->ccb_h.target_id; 1033 lun = ccb->ccb_h.target_lun; 1034 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1035 "enabling lun %jx\n", (uintmax_t)lun); 1036 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1037 ccb->ccb_h.status = CAM_LUN_INVALID; 1038 xpt_done(ccb); 1039 return; 1040 } 1041 1042 /* Create the state pointer. It should not already exist. */ 1043 tptr = get_lun_statep(isp, bus, lun); 1044 if (tptr) { 1045 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1046 xpt_done(ccb); 1047 return; 1048 } 1049 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1050 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1051 xpt_done(ccb); 1052 return; 1053 } 1054 1055 ccb->ccb_h.status = CAM_REQ_CMP; 1056 xpt_done(ccb); 1057 } 1058 1059 static void 1060 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1061 { 1062 tstate_t *tptr = NULL; 1063 int bus; 1064 target_id_t target; 1065 lun_id_t lun; 1066 1067 bus = XS_CHANNEL(ccb); 1068 target = ccb->ccb_h.target_id; 1069 lun = ccb->ccb_h.target_lun; 1070 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1071 "disabling lun %jx\n", (uintmax_t)lun); 1072 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1073 ccb->ccb_h.status = CAM_LUN_INVALID; 1074 xpt_done(ccb); 1075 return; 1076 } 1077 1078 /* Find the state pointer. */ 1079 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1080 ccb->ccb_h.status = CAM_PATH_INVALID; 1081 xpt_done(ccb); 1082 return; 1083 } 1084 1085 destroy_lun_state(isp, bus, tptr); 1086 ccb->ccb_h.status = CAM_REQ_CMP; 1087 xpt_done(ccb); 1088 } 1089 1090 static void 1091 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1092 { 1093 int fctape, sendstatus, resid; 1094 fcparam *fcp; 1095 atio_private_data_t *atp; 1096 struct ccb_scsiio *cso; 1097 struct isp_ccbq *waitq; 1098 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1099 uint8_t local[QENTRY_LEN]; 1100 1101 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, 1102 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1103 1104 ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq); 1105 switch (how) { 1106 case FROM_CAM: 1107 /* 1108 * Insert at the tail of the list, if any, waiting CTIO CCBs 1109 */ 1110 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 1111 break; 1112 case FROM_TIMER: 1113 case FROM_SRR: 1114 case FROM_CTIO_DONE: 1115 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1116 break; 1117 } 1118 1119 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 1120 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 1121 1122 cso = &ccb->csio; 1123 xfrlen = cso->dxfer_len; 1124 if (xfrlen == 0) { 1125 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1126 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1127 ccb->ccb_h.status = CAM_REQ_INVALID; 1128 xpt_done(ccb); 1129 continue; 1130 } 1131 } 1132 1133 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 1134 if (atp == NULL) { 1135 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1136 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 1137 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1138 xpt_done(ccb); 1139 continue; 1140 } 1141 1142 /* 1143 * Is this command a dead duck? 1144 */ 1145 if (atp->dead) { 1146 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1147 ccb->ccb_h.status = CAM_REQ_ABORTED; 1148 xpt_done(ccb); 1149 continue; 1150 } 1151 1152 /* 1153 * Check to make sure we're still in target mode. 1154 */ 1155 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1156 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1157 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1158 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1159 xpt_done(ccb); 1160 continue; 1161 } 1162 1163 /* 1164 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1165 * could be split into two CTIOs to split data and status). 1166 */ 1167 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1168 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); 1169 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1170 break; 1171 } 1172 1173 /* 1174 * Does the initiator expect FC-Tape style responses? 1175 */ 1176 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1177 fctape = 1; 1178 } else { 1179 fctape = 0; 1180 } 1181 1182 /* 1183 * If we already did the data xfer portion of a CTIO that sends data 1184 * and status, don't do it again and do the status portion now. 1185 */ 1186 if (atp->sendst) { 1187 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1188 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1189 xfrlen = 0; /* we already did the data transfer */ 1190 atp->sendst = 0; 1191 } 1192 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1193 sendstatus = 1; 1194 } else { 1195 sendstatus = 0; 1196 } 1197 1198 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1199 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1200 /* 1201 * Sense length is not the entire sense data structure size. Periph 1202 * drivers don't seem to be setting sense_len to reflect the actual 1203 * size. We'll peek inside to get the right amount. 1204 */ 1205 sense_length = cso->sense_len; 1206 1207 /* 1208 * This 'cannot' happen 1209 */ 1210 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1211 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1212 } 1213 } else { 1214 sense_length = 0; 1215 } 1216 1217 memset(local, 0, QENTRY_LEN); 1218 1219 /* 1220 * Check for overflow 1221 */ 1222 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1223 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1224 isp_prt(isp, ISP_LOGERR, 1225 "%s: [0x%x] data overflow by %u bytes", __func__, 1226 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1227 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1228 xpt_done(ccb); 1229 continue; 1230 } 1231 if (xfrlen > atp->orig_datalen - tmp) { 1232 xfrlen = atp->orig_datalen - tmp; 1233 if (xfrlen == 0 && !sendstatus) { 1234 cso->resid = cso->dxfer_len; 1235 ccb->ccb_h.status = CAM_REQ_CMP; 1236 xpt_done(ccb); 1237 continue; 1238 } 1239 } 1240 1241 if (IS_24XX(isp)) { 1242 ct7_entry_t *cto = (ct7_entry_t *) local; 1243 1244 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1245 cto->ct_header.rqs_entry_count = 1; 1246 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1247 ATPD_SET_SEQNO(cto, atp); 1248 cto->ct_nphdl = atp->nphdl; 1249 cto->ct_rxid = atp->tag; 1250 cto->ct_iid_lo = atp->sid; 1251 cto->ct_iid_hi = atp->sid >> 16; 1252 cto->ct_oxid = atp->oxid; 1253 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1254 cto->ct_timeout = XS_TIME(ccb); 1255 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1256 1257 /* 1258 * Mode 1, status, no data. Only possible when we are sending status, have 1259 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1260 * 1261 * Mode 2, status, no data. We have to use this in the case that 1262 * the sense data won't fit into a ct7_entry_t. 1263 * 1264 */ 1265 if (sendstatus && xfrlen == 0) { 1266 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1267 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1268 if (sense_length <= MAXRESPLEN_24XX) { 1269 cto->ct_flags |= CT7_FLAG_MODE1; 1270 cto->ct_scsi_status = cso->scsi_status; 1271 if (resid < 0) { 1272 cto->ct_resid = -resid; 1273 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1274 } else if (resid > 0) { 1275 cto->ct_resid = resid; 1276 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1277 } 1278 if (fctape) { 1279 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1280 } 1281 if (sense_length) { 1282 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1283 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1284 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1285 } 1286 } else { 1287 bus_addr_t addr; 1288 char buf[XCMD_SIZE]; 1289 fcp_rsp_iu_t *rp; 1290 1291 if (atp->ests == NULL) { 1292 atp->ests = isp_get_ecmd(isp); 1293 if (atp->ests == NULL) { 1294 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1295 break; 1296 } 1297 } 1298 memset(buf, 0, sizeof (buf)); 1299 rp = (fcp_rsp_iu_t *)buf; 1300 if (fctape) { 1301 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1302 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1303 } 1304 cto->ct_flags |= CT7_FLAG_MODE2; 1305 rp->fcp_rsp_scsi_status = cso->scsi_status; 1306 if (resid < 0) { 1307 rp->fcp_rsp_resid = -resid; 1308 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1309 } else if (resid > 0) { 1310 rp->fcp_rsp_resid = resid; 1311 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1312 } 1313 if (sense_length) { 1314 rp->fcp_rsp_snslen = sense_length; 1315 cto->ct_senselen = sense_length; 1316 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1317 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1318 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1319 } else { 1320 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1321 } 1322 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1323 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1324 } 1325 addr = isp->isp_osinfo.ecmd_dma; 1326 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1327 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, 1328 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1329 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1330 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1331 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1332 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1333 } 1334 if (sense_length) { 1335 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__, 1336 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, 1337 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1338 } else { 1339 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1340 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1341 } 1342 atp->state = ATPD_STATE_LAST_CTIO; 1343 } 1344 1345 /* 1346 * Mode 0 data transfers, *possibly* with status. 1347 */ 1348 if (xfrlen != 0) { 1349 cto->ct_flags |= CT7_FLAG_MODE0; 1350 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1351 cto->ct_flags |= CT7_DATA_IN; 1352 } else { 1353 cto->ct_flags |= CT7_DATA_OUT; 1354 } 1355 1356 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1357 cto->rsp.m0.ct_xfrlen = xfrlen; 1358 1359 #ifdef DEBUG 1360 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1361 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1362 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1363 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1364 } 1365 #endif 1366 if (sendstatus) { 1367 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1368 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1369 cto->ct_flags |= CT7_SENDSTATUS; 1370 atp->state = ATPD_STATE_LAST_CTIO; 1371 if (fctape) { 1372 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1373 } 1374 } else { 1375 atp->sendst = 1; /* send status later */ 1376 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1377 atp->state = ATPD_STATE_CTIO; 1378 } 1379 } else { 1380 atp->state = ATPD_STATE_CTIO; 1381 } 1382 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__, 1383 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1384 } 1385 } else { 1386 ct2_entry_t *cto = (ct2_entry_t *) local; 1387 1388 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1389 cto->ct_header.rqs_entry_count = 1; 1390 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1391 ATPD_SET_SEQNO(cto, atp); 1392 if (ISP_CAP_2KLOGIN(isp)) { 1393 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl; 1394 } else { 1395 cto->ct_iid = atp->nphdl; 1396 if (ISP_CAP_SCCFW(isp) == 0) { 1397 cto->ct_lun = ccb->ccb_h.target_lun; 1398 } 1399 } 1400 cto->ct_timeout = XS_TIME(ccb); 1401 cto->ct_rxid = cso->tag_id; 1402 1403 /* 1404 * Mode 1, status, no data. Only possible when we are sending status, have 1405 * no data to transfer, and the sense length can fit in the ct7_entry. 1406 * 1407 * Mode 2, status, no data. We have to use this in the case the response 1408 * length won't fit into a ct2_entry_t. 1409 * 1410 * We'll fill out this structure with information as if this were a 1411 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1412 * needed based upon this. 1413 */ 1414 if (sendstatus && xfrlen == 0) { 1415 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1416 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1417 if (sense_length <= MAXRESPLEN) { 1418 if (resid < 0) { 1419 cto->ct_resid = -resid; 1420 } else if (resid > 0) { 1421 cto->ct_resid = resid; 1422 } 1423 cto->ct_flags |= CT2_FLAG_MODE1; 1424 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1425 if (resid < 0) { 1426 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1427 } else if (resid > 0) { 1428 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1429 } 1430 if (fctape) { 1431 cto->ct_flags |= CT2_CONFIRM; 1432 } 1433 if (sense_length) { 1434 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1435 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1436 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1437 } 1438 } else { 1439 bus_addr_t addr; 1440 char buf[XCMD_SIZE]; 1441 fcp_rsp_iu_t *rp; 1442 1443 if (atp->ests == NULL) { 1444 atp->ests = isp_get_ecmd(isp); 1445 if (atp->ests == NULL) { 1446 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1447 break; 1448 } 1449 } 1450 memset(buf, 0, sizeof (buf)); 1451 rp = (fcp_rsp_iu_t *)buf; 1452 if (fctape) { 1453 cto->ct_flags |= CT2_CONFIRM; 1454 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1455 } 1456 cto->ct_flags |= CT2_FLAG_MODE2; 1457 rp->fcp_rsp_scsi_status = cso->scsi_status; 1458 if (resid < 0) { 1459 rp->fcp_rsp_resid = -resid; 1460 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1461 } else if (resid > 0) { 1462 rp->fcp_rsp_resid = resid; 1463 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1464 } 1465 if (sense_length) { 1466 rp->fcp_rsp_snslen = sense_length; 1467 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1468 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1469 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1470 } else { 1471 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1472 } 1473 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1474 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1475 } 1476 addr = isp->isp_osinfo.ecmd_dma; 1477 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1478 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, 1479 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1480 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1481 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 1482 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1483 } 1484 if (sense_length) { 1485 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d sense: %x %x/%x/%x", __func__, 1486 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, 1487 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1488 } else { 1489 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, cto->ct_rxid, 1490 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid); 1491 } 1492 atp->state = ATPD_STATE_LAST_CTIO; 1493 } 1494 1495 if (xfrlen != 0) { 1496 cto->ct_flags |= CT2_FLAG_MODE0; 1497 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1498 cto->ct_flags |= CT2_DATA_IN; 1499 } else { 1500 cto->ct_flags |= CT2_DATA_OUT; 1501 } 1502 1503 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit; 1504 cto->rsp.m0.ct_xfrlen = xfrlen; 1505 1506 if (sendstatus) { 1507 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1508 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) { 1509 cto->ct_flags |= CT2_SENDSTATUS; 1510 atp->state = ATPD_STATE_LAST_CTIO; 1511 if (fctape) { 1512 cto->ct_flags |= CT2_CONFIRM; 1513 } 1514 } else { 1515 atp->sendst = 1; /* send status later */ 1516 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1517 atp->state = ATPD_STATE_CTIO; 1518 } 1519 } else { 1520 atp->state = ATPD_STATE_CTIO; 1521 } 1522 } 1523 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[%x] seq %u nc %d CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u", __func__, cto->ct_rxid, 1524 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered); 1525 } 1526 1527 if (isp_get_pcmd(isp, ccb)) { 1528 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1529 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1530 break; 1531 } 1532 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1533 if (handle == 0) { 1534 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1535 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1536 isp_free_pcmd(isp, ccb); 1537 break; 1538 } 1539 atp->bytes_in_transit += xfrlen; 1540 PISP_PCMD(ccb)->datalen = xfrlen; 1541 1542 1543 /* 1544 * Call the dma setup routines for this entry (and any subsequent 1545 * CTIOs) if there's data to move, and then tell the f/w it's got 1546 * new things to play with. As with isp_start's usage of DMA setup, 1547 * any swizzling is done in the machine dependent layer. Because 1548 * of this, we put the request onto the queue area first in native 1549 * format. 1550 */ 1551 1552 if (IS_24XX(isp)) { 1553 ct7_entry_t *cto = (ct7_entry_t *) local; 1554 cto->ct_syshandle = handle; 1555 } else { 1556 ct2_entry_t *cto = (ct2_entry_t *) local; 1557 cto->ct_syshandle = handle; 1558 } 1559 1560 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local); 1561 if (dmaresult != CMD_QUEUED) { 1562 isp_destroy_handle(isp, handle); 1563 isp_free_pcmd(isp, ccb); 1564 if (dmaresult == CMD_EAGAIN) { 1565 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1566 break; 1567 } 1568 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1569 xpt_done(ccb); 1570 continue; 1571 } 1572 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1573 if (xfrlen) { 1574 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1575 } else { 1576 ccb->ccb_h.spriv_field0 = ~0; 1577 } 1578 atp->ctcnt++; 1579 atp->seqno++; 1580 } 1581 } 1582 1583 static void 1584 isp_refire_putback_atio(void *arg) 1585 { 1586 union ccb *ccb = arg; 1587 1588 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb)); 1589 isp_target_putback_atio(ccb); 1590 } 1591 1592 static void 1593 isp_refire_notify_ack(void *arg) 1594 { 1595 isp_tna_t *tp = arg; 1596 ispsoftc_t *isp = tp->isp; 1597 1598 ISP_ASSERT_LOCKED(isp); 1599 if (isp_notify_ack(isp, tp->not)) { 1600 callout_schedule(&tp->timer, 5); 1601 } else { 1602 free(tp, M_DEVBUF); 1603 } 1604 } 1605 1606 1607 static void 1608 isp_target_putback_atio(union ccb *ccb) 1609 { 1610 ispsoftc_t *isp = XS_ISP(ccb); 1611 struct ccb_scsiio *cso = &ccb->csio; 1612 at2_entry_t local, *at = &local; 1613 1614 ISP_MEMZERO(at, sizeof (at2_entry_t)); 1615 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 1616 at->at_header.rqs_entry_count = 1; 1617 if (ISP_CAP_SCCFW(isp)) { 1618 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 1619 } else { 1620 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 1621 } 1622 at->at_status = CT_OK; 1623 at->at_rxid = cso->tag_id; 1624 at->at_iid = cso->init_id; 1625 if (isp_target_put_entry(isp, at)) { 1626 callout_reset(&PISP_PCMD(ccb)->wdog, 10, 1627 isp_refire_putback_atio, ccb); 1628 } else 1629 isp_complete_ctio(ccb); 1630 } 1631 1632 static void 1633 isp_complete_ctio(union ccb *ccb) 1634 { 1635 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1636 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1637 xpt_done(ccb); 1638 } 1639 } 1640 1641 static void 1642 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep) 1643 { 1644 fcparam *fcp; 1645 lun_id_t lun; 1646 fcportdb_t *lp; 1647 tstate_t *tptr; 1648 struct ccb_accept_tio *atiop; 1649 uint16_t nphdl; 1650 atio_private_data_t *atp; 1651 inot_private_data_t *ntp; 1652 1653 /* 1654 * The firmware status (except for the QLTM_SVALID bit) 1655 * indicates why this ATIO was sent to us. 1656 * 1657 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 1658 */ 1659 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 1660 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status); 1661 isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0); 1662 return; 1663 } 1664 1665 fcp = FCPARAM(isp, 0); 1666 if (ISP_CAP_SCCFW(isp)) { 1667 lun = aep->at_scclun; 1668 } else { 1669 lun = aep->at_lun; 1670 } 1671 if (ISP_CAP_2KLOGIN(isp)) { 1672 nphdl = ((at2e_entry_t *)aep)->at_iid; 1673 } else { 1674 nphdl = aep->at_iid; 1675 } 1676 tptr = get_lun_statep(isp, 0, lun); 1677 if (tptr == NULL) { 1678 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 1679 if (tptr == NULL) { 1680 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun); 1681 if (lun == 0) { 1682 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1683 } else { 1684 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1685 } 1686 return; 1687 } 1688 } 1689 1690 /* 1691 * Start any commands pending resources first. 1692 */ 1693 if (isp_atio_restart(isp, 0, tptr)) 1694 goto noresrc; 1695 1696 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1697 if (atiop == NULL) { 1698 goto noresrc; 1699 } 1700 1701 atp = isp_get_atpd(isp, 0, aep->at_rxid); 1702 if (atp == NULL) { 1703 goto noresrc; 1704 } 1705 1706 atp->state = ATPD_STATE_ATIO; 1707 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1708 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1709 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1710 atiop->ccb_h.target_lun = lun; 1711 1712 /* 1713 * We don't get 'suggested' sense data as we do with SCSI cards. 1714 */ 1715 atiop->sense_len = 0; 1716 1717 /* 1718 * If we're not in the port database, add ourselves. 1719 */ 1720 if (IS_2100(isp)) 1721 atiop->init_id = nphdl; 1722 else { 1723 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) { 1724 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp); 1725 } else { 1726 isp_prt(isp, ISP_LOGTINFO, "%s: port %x isn't in PDB", 1727 __func__, nphdl); 1728 isp_dump_portdb(isp, 0); 1729 isp_endcmd(isp, aep, NIL_HANDLE, 0, ECMD_TERMINATE, 0); 1730 return; 1731 } 1732 } 1733 atiop->cdb_len = ATIO2_CDBLEN; 1734 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 1735 atiop->ccb_h.status = CAM_CDB_RECVD; 1736 atiop->tag_id = atp->tag; 1737 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 1738 case ATIO2_TC_ATTR_SIMPLEQ: 1739 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1740 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1741 break; 1742 case ATIO2_TC_ATTR_HEADOFQ: 1743 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1744 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1745 break; 1746 case ATIO2_TC_ATTR_ORDERED: 1747 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1748 atiop->tag_action = MSG_ORDERED_Q_TAG; 1749 break; 1750 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 1751 case ATIO2_TC_ATTR_UNTAGGED: 1752 default: 1753 atiop->tag_action = 0; 1754 break; 1755 } 1756 1757 atp->orig_datalen = aep->at_datalen; 1758 atp->bytes_xfered = 0; 1759 atp->lun = lun; 1760 atp->nphdl = nphdl; 1761 atp->sid = PORT_ANY; 1762 atp->oxid = aep->at_oxid; 1763 atp->cdb0 = aep->at_cdb[0]; 1764 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 1765 atp->state = ATPD_STATE_CAM; 1766 xpt_done((union ccb *)atiop); 1767 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %jx datalen %u", aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1768 return; 1769 noresrc: 1770 ntp = isp_get_ntpd(isp, 0); 1771 if (ntp == NULL) { 1772 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1773 return; 1774 } 1775 memcpy(ntp->data, aep, QENTRY_LEN); 1776 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1777 } 1778 1779 static void 1780 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1781 { 1782 int cdbxlen; 1783 lun_id_t lun; 1784 uint16_t chan, nphdl = NIL_HANDLE; 1785 uint32_t did, sid; 1786 fcportdb_t *lp; 1787 tstate_t *tptr; 1788 struct ccb_accept_tio *atiop; 1789 atio_private_data_t *atp = NULL; 1790 atio_private_data_t *oatp; 1791 inot_private_data_t *ntp; 1792 1793 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1794 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1795 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1796 1797 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1798 /* Channel has to be derived from D_ID */ 1799 isp_find_chan_by_did(isp, did, &chan); 1800 if (chan == ISP_NOCHAN) { 1801 isp_prt(isp, ISP_LOGWARN, 1802 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1803 __func__, aep->at_rxid, did); 1804 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1805 ECMD_TERMINATE, 0); 1806 return; 1807 } 1808 } else { 1809 chan = 0; 1810 } 1811 1812 /* 1813 * Find the PDB entry for this initiator 1814 */ 1815 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1816 /* 1817 * If we're not in the port database terminate the exchange. 1818 */ 1819 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", 1820 __func__, aep->at_rxid, did, chan, sid); 1821 isp_dump_portdb(isp, chan); 1822 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1823 return; 1824 } 1825 nphdl = lp->handle; 1826 1827 /* 1828 * Get the tstate pointer 1829 */ 1830 tptr = get_lun_statep(isp, chan, lun); 1831 if (tptr == NULL) { 1832 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1833 if (tptr == NULL) { 1834 isp_prt(isp, ISP_LOGWARN, 1835 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1836 __func__, aep->at_rxid, (uintmax_t)lun); 1837 if (lun == 0) { 1838 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1839 } else { 1840 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1841 } 1842 return; 1843 } 1844 } 1845 1846 /* 1847 * Start any commands pending resources first. 1848 */ 1849 if (isp_atio_restart(isp, chan, tptr)) 1850 goto noresrc; 1851 1852 /* 1853 * If the f/w is out of resources, just send a BUSY status back. 1854 */ 1855 if (aep->at_rxid == AT7_NORESRC_RXID) { 1856 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1857 return; 1858 } 1859 1860 /* 1861 * If we're out of resources, just send a BUSY status back. 1862 */ 1863 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1864 if (atiop == NULL) { 1865 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1866 goto noresrc; 1867 } 1868 1869 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1870 if (oatp) { 1871 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] tag wraparound in isp_handle_platforms_atio7 (N-Port Handle 0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d", 1872 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1873 /* 1874 * It's not a "no resource" condition- but we can treat it like one 1875 */ 1876 goto noresrc; 1877 } 1878 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1879 if (atp == NULL) { 1880 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1881 goto noresrc; 1882 } 1883 atp->word3 = lp->prli_word3; 1884 atp->state = ATPD_STATE_ATIO; 1885 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1886 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1887 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1888 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1889 atiop->ccb_h.target_lun = lun; 1890 atiop->sense_len = 0; 1891 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1892 if (cdbxlen) { 1893 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1894 } 1895 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1896 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1897 atiop->cdb_len = cdbxlen; 1898 atiop->ccb_h.status = CAM_CDB_RECVD; 1899 atiop->tag_id = atp->tag; 1900 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1901 case FCP_CMND_TASK_ATTR_SIMPLE: 1902 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1903 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1904 break; 1905 case FCP_CMND_TASK_ATTR_HEAD: 1906 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1907 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1908 break; 1909 case FCP_CMND_TASK_ATTR_ORDERED: 1910 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1911 atiop->tag_action = MSG_ORDERED_Q_TAG; 1912 break; 1913 default: 1914 /* FALLTHROUGH */ 1915 case FCP_CMND_TASK_ATTR_ACA: 1916 case FCP_CMND_TASK_ATTR_UNTAGGED: 1917 atiop->tag_action = 0; 1918 break; 1919 } 1920 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1921 atp->bytes_xfered = 0; 1922 atp->lun = lun; 1923 atp->nphdl = nphdl; 1924 atp->sid = sid; 1925 atp->did = did; 1926 atp->oxid = aep->at_hdr.ox_id; 1927 atp->rxid = aep->at_hdr.rx_id; 1928 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1929 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1930 atp->state = ATPD_STATE_CAM; 1931 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1932 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1933 xpt_done((union ccb *)atiop); 1934 return; 1935 noresrc: 1936 if (atp) 1937 isp_put_atpd(isp, chan, atp); 1938 ntp = isp_get_ntpd(isp, chan); 1939 if (ntp == NULL) { 1940 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1941 return; 1942 } 1943 memcpy(ntp->data, aep, QENTRY_LEN); 1944 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1945 } 1946 1947 1948 /* 1949 * Handle starting an SRR (sequence retransmit request) 1950 * We get here when we've gotten the immediate notify 1951 * and the return of all outstanding CTIOs for this 1952 * transaction. 1953 */ 1954 static void 1955 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1956 { 1957 in_fcentry_24xx_t *inot; 1958 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1959 union ccb *ccb; 1960 1961 inot = (in_fcentry_24xx_t *)atp->srr; 1962 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1963 ccb = atp->srr_ccb; 1964 atp->srr_ccb = NULL; 1965 atp->nsrr++; 1966 if (ccb == NULL) { 1967 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1968 goto fail; 1969 } 1970 1971 ccb_off = ccb->ccb_h.spriv_field0; 1972 ccb_len = ccb->csio.dxfer_len; 1973 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1974 1975 switch (inot->in_srr_iu) { 1976 case R_CTL_INFO_SOLICITED_DATA: 1977 /* 1978 * We have to restart a FCP_DATA data out transaction 1979 */ 1980 atp->sendst = 0; 1981 atp->bytes_xfered = srr_off; 1982 if (ccb_len == 0) { 1983 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 1984 goto mdp; 1985 } 1986 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 1987 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); 1988 goto mdp; 1989 } 1990 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); 1991 break; 1992 case R_CTL_INFO_COMMAND_STATUS: 1993 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 1994 atp->sendst = 1; 1995 /* 1996 * We have to restart a FCP_RSP IU transaction 1997 */ 1998 break; 1999 case R_CTL_INFO_DATA_DESCRIPTOR: 2000 /* 2001 * We have to restart an FCP DATA in transaction 2002 */ 2003 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 2004 goto fail; 2005 2006 default: 2007 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 2008 goto fail; 2009 } 2010 2011 /* 2012 * We can't do anything until this is acked, so we might as well start it now. 2013 * We aren't going to do the usual asynchronous ack issue because we need 2014 * to make sure this gets on the wire first. 2015 */ 2016 if (isp_notify_ack(isp, inot)) { 2017 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2018 goto fail; 2019 } 2020 isp_target_start_ctio(isp, ccb, FROM_SRR); 2021 return; 2022 fail: 2023 inot->in_reserved = 1; 2024 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2025 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2026 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2027 isp_complete_ctio(ccb); 2028 return; 2029 mdp: 2030 if (isp_notify_ack(isp, inot)) { 2031 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2032 goto fail; 2033 } 2034 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2035 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2036 /* 2037 * This is not a strict interpretation of MDP, but it's close 2038 */ 2039 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2040 ccb->csio.msg_len = 7; 2041 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2042 ccb->csio.msg_ptr[1] = 5; 2043 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2044 ccb->csio.msg_ptr[3] = srr_off >> 24; 2045 ccb->csio.msg_ptr[4] = srr_off >> 16; 2046 ccb->csio.msg_ptr[5] = srr_off >> 8; 2047 ccb->csio.msg_ptr[6] = srr_off; 2048 isp_complete_ctio(ccb); 2049 } 2050 2051 2052 static void 2053 isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 2054 { 2055 in_fcentry_24xx_t *inot = notify->nt_lreserved; 2056 atio_private_data_t *atp; 2057 uint32_t tag = notify->nt_tagval & 0xffffffff; 2058 2059 atp = isp_find_atpd(isp, notify->nt_channel, tag); 2060 if (atp == NULL) { 2061 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 2062 __func__, tag); 2063 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2064 return; 2065 } 2066 atp->srr_notify_rcvd = 1; 2067 memcpy(atp->srr, inot, sizeof (atp->srr)); 2068 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 2069 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 2070 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 2071 if (atp->srr_ccb) 2072 isp_handle_srr_start(isp, atp); 2073 } 2074 2075 static void 2076 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2077 { 2078 union ccb *ccb; 2079 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 2080 atio_private_data_t *atp = NULL; 2081 int bus; 2082 uint32_t handle, data_requested, resid; 2083 2084 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2085 ccb = isp_find_xs(isp, handle); 2086 if (ccb == NULL) { 2087 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2088 return; 2089 } 2090 isp_destroy_handle(isp, handle); 2091 resid = data_requested = PISP_PCMD(ccb)->datalen; 2092 isp_free_pcmd(isp, ccb); 2093 2094 bus = XS_CHANNEL(ccb); 2095 if (IS_24XX(isp)) { 2096 atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid); 2097 } else { 2098 atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid); 2099 } 2100 if (atp == NULL) { 2101 /* 2102 * XXX: isp_clear_commands() generates fake CTIO with zero 2103 * ct_rxid value, filling only ct_syshandle. Workaround 2104 * that using tag_id from the CCB, pointed by ct_syshandle. 2105 */ 2106 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 2107 } 2108 if (atp == NULL) { 2109 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2110 return; 2111 } 2112 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2113 atp->bytes_in_transit -= data_requested; 2114 atp->ctcnt -= 1; 2115 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2116 2117 if (IS_24XX(isp)) { 2118 ct7_entry_t *ct = arg; 2119 2120 if (ct->ct_nphdl == CT7_SRR) { 2121 atp->srr_ccb = ccb; 2122 if (atp->srr_notify_rcvd) 2123 isp_handle_srr_start(isp, atp); 2124 return; 2125 } 2126 if (ct->ct_nphdl == CT_HBA_RESET) { 2127 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2128 (atp->sendst == 0); 2129 failure = CAM_UNREC_HBA_ERROR; 2130 } else { 2131 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 2132 ok = (ct->ct_nphdl == CT7_OK); 2133 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2134 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 2135 resid = ct->ct_resid; 2136 } 2137 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), 2138 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2139 } else { 2140 ct2_entry_t *ct = arg; 2141 if (ct->ct_status == CT_SRR) { 2142 atp->srr_ccb = ccb; 2143 if (atp->srr_notify_rcvd) 2144 isp_handle_srr_start(isp, atp); 2145 isp_target_putback_atio(ccb); 2146 return; 2147 } 2148 if (ct->ct_status == CT_HBA_RESET) { 2149 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2150 (atp->sendst == 0); 2151 failure = CAM_UNREC_HBA_ERROR; 2152 } else { 2153 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 2154 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 2155 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2156 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) 2157 resid = ct->ct_resid; 2158 } 2159 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO2[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct), 2160 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2161 } 2162 if (ok) { 2163 if (data_requested > 0) { 2164 atp->bytes_xfered += data_requested - resid; 2165 ccb->csio.resid = ccb->csio.dxfer_len - 2166 (data_requested - resid); 2167 } 2168 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 2169 ccb->ccb_h.status |= CAM_SENT_SENSE; 2170 ccb->ccb_h.status |= CAM_REQ_CMP; 2171 } else { 2172 notify_cam = 1; 2173 if (failure == CAM_UNREC_HBA_ERROR) 2174 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 2175 else 2176 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2177 } 2178 atp->state = ATPD_STATE_PDON; 2179 2180 /* 2181 * We never *not* notify CAM when there has been any error (ok == 0), 2182 * so we never need to do an ATIO putback if we're not notifying CAM. 2183 */ 2184 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 2185 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 2186 if (notify_cam == 0) { 2187 if (atp->sendst) { 2188 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 2189 } 2190 return; 2191 } 2192 2193 /* 2194 * We are done with this ATIO if we successfully sent status. 2195 * In all other cases expect either another CTIO or XPT_ABORT. 2196 */ 2197 if (ok && sentstatus) 2198 isp_put_atpd(isp, bus, atp); 2199 2200 /* 2201 * We're telling CAM we're done with this CTIO transaction. 2202 * 2203 * 24XX cards never need an ATIO put back. 2204 * 2205 * Other cards need one put back only on error. 2206 * In the latter case, a timeout will re-fire 2207 * and try again in case we didn't have 2208 * queue resources to do so at first. In any case, 2209 * once the putback is done we do the completion 2210 * call. 2211 */ 2212 if (ok || IS_24XX(isp)) { 2213 isp_complete_ctio(ccb); 2214 } else { 2215 isp_target_putback_atio(ccb); 2216 } 2217 } 2218 2219 static int 2220 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 2221 { 2222 2223 if (isp->isp_state != ISP_RUNSTATE) { 2224 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 2225 return (0); 2226 } 2227 2228 /* 2229 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 2230 */ 2231 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 2232 ct7_entry_t local, *cto = &local; 2233 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 2234 fcportdb_t *lp; 2235 uint32_t sid; 2236 uint16_t nphdl; 2237 2238 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2239 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 2240 nphdl = lp->handle; 2241 } else { 2242 nphdl = NIL_HANDLE; 2243 } 2244 ISP_MEMZERO(&local, sizeof (local)); 2245 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2246 cto->ct_header.rqs_entry_count = 1; 2247 cto->ct_nphdl = nphdl; 2248 cto->ct_rxid = aep->at_rxid; 2249 cto->ct_vpidx = mp->nt_channel; 2250 cto->ct_iid_lo = sid; 2251 cto->ct_iid_hi = sid >> 16; 2252 cto->ct_oxid = aep->at_hdr.ox_id; 2253 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 2254 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 2255 if (rsp != 0) { 2256 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 2257 cto->rsp.m1.ct_resplen = 4; 2258 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 2259 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 2260 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 2261 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 2262 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 2263 } 2264 return (isp_target_put_entry(isp, &local)); 2265 } 2266 2267 /* 2268 * This case is for a responding to an ABTS frame 2269 */ 2270 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2271 2272 /* 2273 * Overload nt_need_ack here to mark whether we've terminated the associated command. 2274 */ 2275 if (mp->nt_need_ack) { 2276 uint8_t storage[QENTRY_LEN]; 2277 ct7_entry_t *cto = (ct7_entry_t *) storage; 2278 abts_t *abts = (abts_t *)mp->nt_lreserved; 2279 2280 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2281 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 2282 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2283 cto->ct_header.rqs_entry_count = 1; 2284 cto->ct_nphdl = mp->nt_nphdl; 2285 cto->ct_rxid = abts->abts_rxid_task; 2286 cto->ct_iid_lo = mp->nt_sid; 2287 cto->ct_iid_hi = mp->nt_sid >> 16; 2288 cto->ct_oxid = abts->abts_ox_id; 2289 cto->ct_vpidx = mp->nt_channel; 2290 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2291 if (isp_target_put_entry(isp, cto)) { 2292 return (ENOMEM); 2293 } 2294 mp->nt_need_ack = 0; 2295 } 2296 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 2297 return (ENOMEM); 2298 } else { 2299 return (0); 2300 } 2301 } 2302 2303 /* 2304 * Handle logout cases here 2305 */ 2306 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 2307 isp_del_all_wwn_entries(isp, mp->nt_channel); 2308 } 2309 2310 if (mp->nt_ncode == NT_LOGOUT) { 2311 if (!IS_2100(isp) && IS_FC(isp)) { 2312 isp_del_wwn_entries(isp, mp); 2313 } 2314 } 2315 2316 /* 2317 * General purpose acknowledgement 2318 */ 2319 if (mp->nt_need_ack) { 2320 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 2321 /* 2322 * Don't need to use the guaranteed send because the caller can retry 2323 */ 2324 return (isp_notify_ack(isp, mp->nt_lreserved)); 2325 } 2326 return (0); 2327 } 2328 2329 /* 2330 * Handle task management functions. 2331 * 2332 * We show up here with a notify structure filled out. 2333 * 2334 * The nt_lreserved tag points to the original queue entry 2335 */ 2336 static void 2337 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 2338 { 2339 tstate_t *tptr; 2340 fcportdb_t *lp; 2341 struct ccb_immediate_notify *inot; 2342 inot_private_data_t *ntp = NULL; 2343 atio_private_data_t *atp; 2344 lun_id_t lun; 2345 2346 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode, 2347 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 2348 if (notify->nt_lun == LUN_ANY) { 2349 if (notify->nt_tagval == TAG_ANY) { 2350 lun = CAM_LUN_WILDCARD; 2351 } else { 2352 atp = isp_find_atpd(isp, notify->nt_channel, 2353 notify->nt_tagval & 0xffffffff); 2354 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 2355 } 2356 } else { 2357 lun = notify->nt_lun; 2358 } 2359 tptr = get_lun_statep(isp, notify->nt_channel, lun); 2360 if (tptr == NULL) { 2361 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 2362 if (tptr == NULL) { 2363 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 2364 goto bad; 2365 } 2366 } 2367 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 2368 if (inot == NULL) { 2369 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 2370 goto bad; 2371 } 2372 2373 inot->ccb_h.target_id = ISP_MAX_TARGETS(isp); 2374 inot->ccb_h.target_lun = lun; 2375 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 2376 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 2377 inot->initiator_id = CAM_TARGET_WILDCARD; 2378 } else { 2379 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 2380 } 2381 inot->seq_id = notify->nt_tagval; 2382 inot->tag_id = notify->nt_tagval >> 32; 2383 2384 switch (notify->nt_ncode) { 2385 case NT_ABORT_TASK: 2386 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 2387 inot->arg = MSG_ABORT_TASK; 2388 break; 2389 case NT_ABORT_TASK_SET: 2390 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 2391 inot->arg = MSG_ABORT_TASK_SET; 2392 break; 2393 case NT_CLEAR_ACA: 2394 inot->arg = MSG_CLEAR_ACA; 2395 break; 2396 case NT_CLEAR_TASK_SET: 2397 inot->arg = MSG_CLEAR_TASK_SET; 2398 break; 2399 case NT_LUN_RESET: 2400 inot->arg = MSG_LOGICAL_UNIT_RESET; 2401 break; 2402 case NT_TARGET_RESET: 2403 inot->arg = MSG_TARGET_RESET; 2404 break; 2405 case NT_QUERY_TASK_SET: 2406 inot->arg = MSG_QUERY_TASK_SET; 2407 break; 2408 case NT_QUERY_ASYNC_EVENT: 2409 inot->arg = MSG_QUERY_ASYNC_EVENT; 2410 break; 2411 default: 2412 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); 2413 goto bad; 2414 } 2415 2416 ntp = isp_get_ntpd(isp, notify->nt_channel); 2417 if (ntp == NULL) { 2418 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 2419 goto bad; 2420 } 2421 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 2422 if (notify->nt_lreserved) { 2423 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 2424 ntp->nt.nt_lreserved = &ntp->data; 2425 } 2426 ntp->seq_id = notify->nt_tagval; 2427 ntp->tag_id = notify->nt_tagval >> 32; 2428 2429 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 2430 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 2431 inot->ccb_h.status = CAM_MESSAGE_RECV; 2432 xpt_done((union ccb *)inot); 2433 return; 2434 bad: 2435 if (notify->nt_need_ack) { 2436 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2437 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 2438 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 2439 } 2440 } else { 2441 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 2442 } 2443 } 2444 } 2445 2446 static void 2447 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 2448 { 2449 atio_private_data_t *atp, *atpool; 2450 inot_private_data_t *ntp, *tmp; 2451 uint32_t this_tag_id; 2452 2453 /* 2454 * First, clean any commands pending restart 2455 */ 2456 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 2457 if (IS_24XX(isp)) 2458 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 2459 else 2460 this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid; 2461 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 2462 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 2463 ECMD_TERMINATE, 0); 2464 isp_put_ntpd(isp, chan, ntp); 2465 STAILQ_REMOVE(&tptr->restart_queue, ntp, 2466 inot_private_data, next); 2467 } 2468 } 2469 2470 /* 2471 * Now mark other ones dead as well. 2472 */ 2473 ISP_GET_PC(isp, chan, atpool, atpool); 2474 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 2475 if (atp->lun != tptr->ts_lun) 2476 continue; 2477 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 2478 atp->dead = 1; 2479 } 2480 } 2481 #endif 2482 2483 static void 2484 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 2485 { 2486 struct cam_sim *sim; 2487 int bus, tgt; 2488 ispsoftc_t *isp; 2489 2490 sim = (struct cam_sim *)cbarg; 2491 isp = (ispsoftc_t *) cam_sim_softc(sim); 2492 bus = cam_sim_bus(sim); 2493 tgt = xpt_path_target_id(path); 2494 2495 switch (code) { 2496 case AC_LOST_DEVICE: 2497 if (IS_SCSI(isp)) { 2498 uint16_t oflags, nflags; 2499 sdparam *sdp = SDPARAM(isp, bus); 2500 2501 if (tgt >= 0) { 2502 nflags = sdp->isp_devparam[tgt].nvrm_flags; 2503 nflags &= DPARM_SAFE_DFLT; 2504 if (isp->isp_loaded_fw) { 2505 nflags |= DPARM_NARROW | DPARM_ASYNC; 2506 } 2507 oflags = sdp->isp_devparam[tgt].goal_flags; 2508 sdp->isp_devparam[tgt].goal_flags = nflags; 2509 sdp->isp_devparam[tgt].dev_update = 1; 2510 sdp->update = 1; 2511 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 2512 sdp->isp_devparam[tgt].goal_flags = oflags; 2513 } 2514 } 2515 break; 2516 default: 2517 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 2518 break; 2519 } 2520 } 2521 2522 static void 2523 isp_poll(struct cam_sim *sim) 2524 { 2525 ispsoftc_t *isp = cam_sim_softc(sim); 2526 2527 ISP_RUN_ISR(isp); 2528 } 2529 2530 2531 static void 2532 isp_watchdog(void *arg) 2533 { 2534 struct ccb_scsiio *xs = arg; 2535 ispsoftc_t *isp; 2536 uint32_t ohandle = ISP_HANDLE_FREE, handle; 2537 2538 isp = XS_ISP(xs); 2539 2540 handle = isp_find_handle(isp, xs); 2541 2542 /* 2543 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 2544 */ 2545 if (handle != ISP_HANDLE_FREE) { 2546 ISP_RUN_ISR(isp); 2547 ohandle = handle; 2548 handle = isp_find_handle(isp, xs); 2549 } 2550 if (handle != ISP_HANDLE_FREE) { 2551 /* 2552 * Try and make sure the command is really dead before 2553 * we release the handle (and DMA resources) for reuse. 2554 * 2555 * If we are successful in aborting the command then 2556 * we're done here because we'll get the command returned 2557 * back separately. 2558 */ 2559 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2560 return; 2561 } 2562 2563 /* 2564 * Note that after calling the above, the command may in 2565 * fact have been completed. 2566 */ 2567 xs = isp_find_xs(isp, handle); 2568 2569 /* 2570 * If the command no longer exists, then we won't 2571 * be able to find the xs again with this handle. 2572 */ 2573 if (xs == NULL) { 2574 return; 2575 } 2576 2577 /* 2578 * After this point, the command is really dead. 2579 */ 2580 if (XS_XFRLEN(xs)) { 2581 ISP_DMAFREE(isp, xs, handle); 2582 } 2583 isp_destroy_handle(isp, handle); 2584 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 2585 XS_SETERR(xs, CAM_CMD_TIMEOUT); 2586 isp_done(xs); 2587 } else { 2588 if (ohandle != ISP_HANDLE_FREE) { 2589 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 2590 } else { 2591 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 2592 } 2593 } 2594 } 2595 2596 static void 2597 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2598 { 2599 union ccb *ccb; 2600 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2601 2602 /* 2603 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2604 */ 2605 ccb = xpt_alloc_ccb_nowait(); 2606 if (ccb == NULL) { 2607 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2608 return; 2609 } 2610 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2611 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2612 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2613 xpt_free_ccb(ccb); 2614 return; 2615 } 2616 xpt_rescan(ccb); 2617 } 2618 2619 static void 2620 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2621 { 2622 struct cam_path *tp; 2623 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2624 2625 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2626 xpt_async(AC_LOST_DEVICE, tp, NULL); 2627 xpt_free_path(tp); 2628 } 2629 } 2630 2631 /* 2632 * Gone Device Timer Function- when we have decided that a device has gone 2633 * away, we wait a specific period of time prior to telling the OS it has 2634 * gone away. 2635 * 2636 * This timer function fires once a second and then scans the port database 2637 * for devices that are marked dead but still have a virtual target assigned. 2638 * We decrement a counter for that port database entry, and when it hits zero, 2639 * we tell the OS the device has gone away. 2640 */ 2641 static void 2642 isp_gdt(void *arg) 2643 { 2644 struct isp_fc *fc = arg; 2645 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2646 } 2647 2648 static void 2649 isp_gdt_task(void *arg, int pending) 2650 { 2651 struct isp_fc *fc = arg; 2652 ispsoftc_t *isp = fc->isp; 2653 int chan = fc - isp->isp_osinfo.pc.fc; 2654 fcportdb_t *lp; 2655 struct ac_contract ac; 2656 struct ac_device_changed *adc; 2657 int dbidx, more_to_do = 0; 2658 2659 ISP_LOCK(isp); 2660 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2661 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2662 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2663 2664 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2665 continue; 2666 } 2667 if (lp->gone_timer != 0) { 2668 lp->gone_timer -= 1; 2669 more_to_do++; 2670 continue; 2671 } 2672 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2673 if (lp->is_target) { 2674 lp->is_target = 0; 2675 isp_make_gone(isp, lp, chan, dbidx); 2676 } 2677 if (lp->is_initiator) { 2678 lp->is_initiator = 0; 2679 ac.contract_number = AC_CONTRACT_DEV_CHG; 2680 adc = (struct ac_device_changed *) ac.contract_data; 2681 adc->wwpn = lp->port_wwn; 2682 adc->port = lp->portid; 2683 adc->target = dbidx; 2684 adc->arrived = 0; 2685 xpt_async(AC_CONTRACT, fc->path, &ac); 2686 } 2687 lp->state = FC_PORTDB_STATE_NIL; 2688 } 2689 if (fc->ready) { 2690 if (more_to_do) { 2691 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2692 } else { 2693 callout_deactivate(&fc->gdt); 2694 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2695 } 2696 } 2697 ISP_UNLOCK(isp); 2698 } 2699 2700 /* 2701 * When loop goes down we remember the time and freeze CAM command queue. 2702 * During some time period we are trying to reprobe the loop. But if we 2703 * fail, we tell the OS that devices have gone away and drop the freeze. 2704 * 2705 * We don't clear the devices out of our port database because, when loop 2706 * come back up, we have to do some actual cleanup with the chip at that 2707 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2708 */ 2709 static void 2710 isp_loop_changed(ispsoftc_t *isp, int chan) 2711 { 2712 fcparam *fcp = FCPARAM(isp, chan); 2713 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2714 2715 if (fc->loop_down_time) 2716 return; 2717 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2718 if (fcp->role & ISP_ROLE_INITIATOR) 2719 isp_freeze_loopdown(isp, chan); 2720 fc->loop_down_time = time_uptime; 2721 wakeup(fc); 2722 } 2723 2724 static void 2725 isp_loop_up(ispsoftc_t *isp, int chan) 2726 { 2727 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2728 2729 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2730 fc->loop_seen_once = 1; 2731 fc->loop_down_time = 0; 2732 isp_unfreeze_loopdown(isp, chan); 2733 } 2734 2735 static void 2736 isp_loop_dead(ispsoftc_t *isp, int chan) 2737 { 2738 fcparam *fcp = FCPARAM(isp, chan); 2739 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2740 fcportdb_t *lp; 2741 struct ac_contract ac; 2742 struct ac_device_changed *adc; 2743 int dbidx, i; 2744 2745 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2746 2747 /* 2748 * Notify to the OS all targets who we now consider have departed. 2749 */ 2750 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2751 lp = &fcp->portdb[dbidx]; 2752 2753 if (lp->state == FC_PORTDB_STATE_NIL) 2754 continue; 2755 2756 for (i = 0; i < isp->isp_maxcmds; i++) { 2757 struct ccb_scsiio *xs; 2758 2759 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2760 continue; 2761 } 2762 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2763 continue; 2764 } 2765 if (dbidx != XS_TGT(xs)) { 2766 continue; 2767 } 2768 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2769 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2770 (uintmax_t)XS_LUN(xs)); 2771 2772 /* 2773 * Just like in isp_watchdog, abort the outstanding 2774 * command or immediately free its resources if it is 2775 * not active 2776 */ 2777 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2778 continue; 2779 } 2780 2781 if (XS_XFRLEN(xs)) { 2782 ISP_DMAFREE(isp, xs, isp->isp_xflist[i].handle); 2783 } 2784 isp_destroy_handle(isp, isp->isp_xflist[i].handle); 2785 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed", 2786 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2787 (uintmax_t)XS_LUN(xs)); 2788 XS_SETERR(xs, HBA_BUSRESET); 2789 isp_done(xs); 2790 } 2791 2792 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2793 if (lp->is_target) { 2794 lp->is_target = 0; 2795 isp_make_gone(isp, lp, chan, dbidx); 2796 } 2797 if (lp->is_initiator) { 2798 lp->is_initiator = 0; 2799 ac.contract_number = AC_CONTRACT_DEV_CHG; 2800 adc = (struct ac_device_changed *) ac.contract_data; 2801 adc->wwpn = lp->port_wwn; 2802 adc->port = lp->portid; 2803 adc->target = dbidx; 2804 adc->arrived = 0; 2805 xpt_async(AC_CONTRACT, fc->path, &ac); 2806 } 2807 } 2808 2809 isp_unfreeze_loopdown(isp, chan); 2810 fc->loop_down_time = 0; 2811 } 2812 2813 static void 2814 isp_kthread(void *arg) 2815 { 2816 struct isp_fc *fc = arg; 2817 ispsoftc_t *isp = fc->isp; 2818 int chan = fc - isp->isp_osinfo.pc.fc; 2819 int slp = 0, d; 2820 int lb, lim; 2821 2822 ISP_LOCK(isp); 2823 while (isp->isp_osinfo.is_exiting == 0) { 2824 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2825 "Chan %d Checking FC state", chan); 2826 lb = isp_fc_runstate(isp, chan, 250000); 2827 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2828 "Chan %d FC got to %s state", chan, 2829 isp_fc_loop_statename(lb)); 2830 2831 /* 2832 * Our action is different based upon whether we're supporting 2833 * Initiator mode or not. If we are, we might freeze the simq 2834 * when loop is down and set all sorts of different delays to 2835 * check again. 2836 * 2837 * If not, we simply just wait for loop to come up. 2838 */ 2839 if (lb == LOOP_READY || lb < 0) { 2840 slp = 0; 2841 } else { 2842 /* 2843 * If we've never seen loop up and we've waited longer 2844 * than quickboot time, or we've seen loop up but we've 2845 * waited longer than loop_down_limit, give up and go 2846 * to sleep until loop comes up. 2847 */ 2848 if (fc->loop_seen_once == 0) 2849 lim = isp_quickboot_time; 2850 else 2851 lim = fc->loop_down_limit; 2852 d = time_uptime - fc->loop_down_time; 2853 if (d >= lim) 2854 slp = 0; 2855 else if (d < 10) 2856 slp = 1; 2857 else if (d < 30) 2858 slp = 5; 2859 else if (d < 60) 2860 slp = 10; 2861 else if (d < 120) 2862 slp = 20; 2863 else 2864 slp = 30; 2865 } 2866 2867 if (slp == 0) { 2868 if (lb == LOOP_READY) 2869 isp_loop_up(isp, chan); 2870 else 2871 isp_loop_dead(isp, chan); 2872 } 2873 2874 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2875 "Chan %d sleep for %d seconds", chan, slp); 2876 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2877 } 2878 fc->num_threads -= 1; 2879 ISP_UNLOCK(isp); 2880 kthread_exit(); 2881 } 2882 2883 #ifdef ISP_TARGET_MODE 2884 static void 2885 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2886 { 2887 atio_private_data_t *atp; 2888 union ccb *accb = ccb->cab.abort_ccb; 2889 struct ccb_hdr *sccb; 2890 tstate_t *tptr; 2891 2892 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2893 if (tptr != NULL) { 2894 /* Search for the ATIO among queueued. */ 2895 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2896 if (sccb != &accb->ccb_h) 2897 continue; 2898 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2899 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2900 "Abort FREE ATIO\n"); 2901 accb->ccb_h.status = CAM_REQ_ABORTED; 2902 xpt_done(accb); 2903 ccb->ccb_h.status = CAM_REQ_CMP; 2904 return; 2905 } 2906 } 2907 2908 /* Search for the ATIO among running. */ 2909 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2910 if (atp != NULL) { 2911 /* Send TERMINATE to firmware. */ 2912 if (!atp->dead && IS_24XX(isp)) { 2913 uint8_t storage[QENTRY_LEN]; 2914 ct7_entry_t *cto = (ct7_entry_t *) storage; 2915 2916 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2917 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2918 cto->ct_header.rqs_entry_count = 1; 2919 cto->ct_nphdl = atp->nphdl; 2920 cto->ct_rxid = atp->tag; 2921 cto->ct_iid_lo = atp->sid; 2922 cto->ct_iid_hi = atp->sid >> 16; 2923 cto->ct_oxid = atp->oxid; 2924 cto->ct_vpidx = XS_CHANNEL(accb); 2925 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2926 isp_target_put_entry(isp, cto); 2927 } 2928 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2929 ccb->ccb_h.status = CAM_REQ_CMP; 2930 } else { 2931 ccb->ccb_h.status = CAM_UA_ABORT; 2932 } 2933 } 2934 2935 static void 2936 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2937 { 2938 inot_private_data_t *ntp; 2939 union ccb *accb = ccb->cab.abort_ccb; 2940 struct ccb_hdr *sccb; 2941 tstate_t *tptr; 2942 2943 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2944 if (tptr != NULL) { 2945 /* Search for the INOT among queueued. */ 2946 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2947 if (sccb != &accb->ccb_h) 2948 continue; 2949 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2950 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2951 "Abort FREE INOT\n"); 2952 accb->ccb_h.status = CAM_REQ_ABORTED; 2953 xpt_done(accb); 2954 ccb->ccb_h.status = CAM_REQ_CMP; 2955 return; 2956 } 2957 } 2958 2959 /* Search for the INOT among running. */ 2960 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2961 if (ntp != NULL) { 2962 if (ntp->nt.nt_need_ack) { 2963 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2964 ntp->nt.nt_lreserved); 2965 } 2966 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2967 ccb->ccb_h.status = CAM_REQ_CMP; 2968 } else { 2969 ccb->ccb_h.status = CAM_UA_ABORT; 2970 return; 2971 } 2972 } 2973 #endif 2974 2975 static void 2976 isp_action(struct cam_sim *sim, union ccb *ccb) 2977 { 2978 int bus, tgt, error; 2979 ispsoftc_t *isp; 2980 struct ccb_trans_settings *cts; 2981 sbintime_t ts; 2982 2983 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2984 2985 isp = (ispsoftc_t *)cam_sim_softc(sim); 2986 ISP_ASSERT_LOCKED(isp); 2987 bus = cam_sim_bus(sim); 2988 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2989 ISP_PCMD(ccb) = NULL; 2990 2991 switch (ccb->ccb_h.func_code) { 2992 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2993 /* 2994 * Do a couple of preliminary checks... 2995 */ 2996 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2997 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2998 ccb->ccb_h.status = CAM_REQ_INVALID; 2999 isp_done((struct ccb_scsiio *) ccb); 3000 break; 3001 } 3002 } 3003 ccb->csio.req_map = NULL; 3004 #ifdef DIAGNOSTIC 3005 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 3006 xpt_print(ccb->ccb_h.path, "invalid target\n"); 3007 ccb->ccb_h.status = CAM_PATH_INVALID; 3008 } else if (ISP_MAX_LUNS(isp) > 0 && 3009 ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) { 3010 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 3011 ccb->ccb_h.status = CAM_PATH_INVALID; 3012 } 3013 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 3014 xpt_done(ccb); 3015 break; 3016 } 3017 #endif 3018 ccb->csio.scsi_status = SCSI_STATUS_OK; 3019 if (isp_get_pcmd(isp, ccb)) { 3020 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 3021 cam_freeze_devq(ccb->ccb_h.path); 3022 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 3023 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3024 xpt_done(ccb); 3025 break; 3026 } 3027 error = isp_start((XS_T *) ccb); 3028 switch (error) { 3029 case CMD_QUEUED: 3030 ccb->ccb_h.status |= CAM_SIM_QUEUED; 3031 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 3032 break; 3033 /* Give firmware extra 10s to handle timeout. */ 3034 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 3035 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 3036 isp_watchdog, ccb, 0); 3037 break; 3038 case CMD_RQLATER: 3039 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 3040 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 3041 cam_freeze_devq(ccb->ccb_h.path); 3042 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3043 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3044 isp_free_pcmd(isp, ccb); 3045 xpt_done(ccb); 3046 break; 3047 case CMD_EAGAIN: 3048 isp_free_pcmd(isp, ccb); 3049 cam_freeze_devq(ccb->ccb_h.path); 3050 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 3051 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3052 xpt_done(ccb); 3053 break; 3054 case CMD_COMPLETE: 3055 isp_done((struct ccb_scsiio *) ccb); 3056 break; 3057 default: 3058 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 3059 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3060 isp_free_pcmd(isp, ccb); 3061 xpt_done(ccb); 3062 } 3063 break; 3064 3065 #ifdef ISP_TARGET_MODE 3066 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 3067 if (ccb->cel.enable) { 3068 isp_enable_lun(isp, ccb); 3069 } else { 3070 isp_disable_lun(isp, ccb); 3071 } 3072 break; 3073 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 3074 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3075 { 3076 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 3077 if (tptr == NULL) { 3078 const char *str; 3079 3080 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 3081 str = "XPT_IMMEDIATE_NOTIFY"; 3082 else 3083 str = "XPT_ACCEPT_TARGET_IO"; 3084 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 3085 "%s: no state pointer found for %s\n", 3086 __func__, str); 3087 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3088 xpt_done(ccb); 3089 break; 3090 } 3091 ccb->ccb_h.spriv_field0 = 0; 3092 ccb->ccb_h.spriv_ptr1 = isp; 3093 3094 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3095 ccb->atio.tag_id = 0; 3096 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 3097 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3098 "Put FREE ATIO\n"); 3099 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 3100 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 3101 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 3102 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3103 "Put FREE INOT\n"); 3104 } 3105 ccb->ccb_h.status = CAM_REQ_INPROG; 3106 break; 3107 } 3108 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 3109 { 3110 inot_private_data_t *ntp; 3111 3112 /* 3113 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 3114 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 3115 */ 3116 /* 3117 * All the relevant path information is in the associated immediate notify 3118 */ 3119 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); 3120 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 3121 if (ntp == NULL) { 3122 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__, 3123 ccb->cna2.tag_id, ccb->cna2.seq_id); 3124 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3125 xpt_done(ccb); 3126 break; 3127 } 3128 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 3129 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 3130 cam_freeze_devq(ccb->ccb_h.path); 3131 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3132 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 3133 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 3134 break; 3135 } 3136 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 3137 ccb->ccb_h.status = CAM_REQ_CMP; 3138 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); 3139 xpt_done(ccb); 3140 break; 3141 } 3142 case XPT_CONT_TARGET_IO: 3143 isp_target_start_ctio(isp, ccb, FROM_CAM); 3144 break; 3145 #endif 3146 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 3147 tgt = ccb->ccb_h.target_id; 3148 tgt |= (bus << 16); 3149 3150 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 3151 if (error) { 3152 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3153 } else { 3154 /* 3155 * If we have a FC device, reset the Command 3156 * Reference Number, because the target will expect 3157 * that we re-start the CRN at 1 after a reset. 3158 */ 3159 if (IS_FC(isp)) 3160 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3161 3162 ccb->ccb_h.status = CAM_REQ_CMP; 3163 } 3164 xpt_done(ccb); 3165 break; 3166 case XPT_ABORT: /* Abort the specified CCB */ 3167 { 3168 union ccb *accb = ccb->cab.abort_ccb; 3169 switch (accb->ccb_h.func_code) { 3170 #ifdef ISP_TARGET_MODE 3171 case XPT_ACCEPT_TARGET_IO: 3172 isp_abort_atio(isp, ccb); 3173 break; 3174 case XPT_IMMEDIATE_NOTIFY: 3175 isp_abort_inot(isp, ccb); 3176 break; 3177 #endif 3178 case XPT_SCSI_IO: 3179 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 3180 if (error) { 3181 ccb->ccb_h.status = CAM_UA_ABORT; 3182 } else { 3183 ccb->ccb_h.status = CAM_REQ_CMP; 3184 } 3185 break; 3186 default: 3187 ccb->ccb_h.status = CAM_REQ_INVALID; 3188 break; 3189 } 3190 /* 3191 * This is not a queued CCB, so the caller expects it to be 3192 * complete when control is returned. 3193 */ 3194 break; 3195 } 3196 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 3197 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3198 cts = &ccb->cts; 3199 if (!IS_CURRENT_SETTINGS(cts)) { 3200 ccb->ccb_h.status = CAM_REQ_INVALID; 3201 xpt_done(ccb); 3202 break; 3203 } 3204 tgt = cts->ccb_h.target_id; 3205 if (IS_SCSI(isp)) { 3206 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3207 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3208 sdparam *sdp = SDPARAM(isp, bus); 3209 uint16_t *dptr; 3210 3211 if (spi->valid == 0 && scsi->valid == 0) { 3212 ccb->ccb_h.status = CAM_REQ_CMP; 3213 xpt_done(ccb); 3214 break; 3215 } 3216 3217 /* 3218 * We always update (internally) from goal_flags 3219 * so any request to change settings just gets 3220 * vectored to that location. 3221 */ 3222 dptr = &sdp->isp_devparam[tgt].goal_flags; 3223 3224 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3225 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 3226 *dptr |= DPARM_DISC; 3227 else 3228 *dptr &= ~DPARM_DISC; 3229 } 3230 3231 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3232 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 3233 *dptr |= DPARM_TQING; 3234 else 3235 *dptr &= ~DPARM_TQING; 3236 } 3237 3238 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3239 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 3240 *dptr |= DPARM_WIDE; 3241 else 3242 *dptr &= ~DPARM_WIDE; 3243 } 3244 3245 /* 3246 * XXX: FIX ME 3247 */ 3248 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 3249 *dptr |= DPARM_SYNC; 3250 /* 3251 * XXX: CHECK FOR LEGALITY 3252 */ 3253 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 3254 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 3255 } else { 3256 *dptr &= ~DPARM_SYNC; 3257 } 3258 isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%jx) to flags %x off %x per %x", bus, tgt, (uintmax_t)cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags, 3259 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 3260 sdp->isp_devparam[tgt].dev_update = 1; 3261 sdp->update = 1; 3262 } 3263 ccb->ccb_h.status = CAM_REQ_CMP; 3264 xpt_done(ccb); 3265 break; 3266 case XPT_GET_TRAN_SETTINGS: 3267 cts = &ccb->cts; 3268 tgt = cts->ccb_h.target_id; 3269 if (IS_FC(isp)) { 3270 fcparam *fcp = FCPARAM(isp, bus); 3271 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3272 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 3273 3274 cts->protocol = PROTO_SCSI; 3275 cts->protocol_version = SCSI_REV_2; 3276 cts->transport = XPORT_FC; 3277 cts->transport_version = 0; 3278 3279 scsi->valid = CTS_SCSI_VALID_TQ; 3280 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3281 fc->valid = CTS_FC_VALID_SPEED; 3282 fc->bitrate = 100000; 3283 fc->bitrate *= fcp->isp_gbspeed; 3284 if (tgt < MAX_FC_TARG) { 3285 fcportdb_t *lp = &fcp->portdb[tgt]; 3286 fc->wwnn = lp->node_wwn; 3287 fc->wwpn = lp->port_wwn; 3288 fc->port = lp->portid; 3289 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 3290 } 3291 } else { 3292 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3293 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3294 sdparam *sdp = SDPARAM(isp, bus); 3295 uint16_t dval, pval, oval; 3296 3297 if (IS_CURRENT_SETTINGS(cts)) { 3298 sdp->isp_devparam[tgt].dev_refresh = 1; 3299 sdp->update = 1; 3300 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 3301 dval = sdp->isp_devparam[tgt].actv_flags; 3302 oval = sdp->isp_devparam[tgt].actv_offset; 3303 pval = sdp->isp_devparam[tgt].actv_period; 3304 } else { 3305 dval = sdp->isp_devparam[tgt].nvrm_flags; 3306 oval = sdp->isp_devparam[tgt].nvrm_offset; 3307 pval = sdp->isp_devparam[tgt].nvrm_period; 3308 } 3309 3310 cts->protocol = PROTO_SCSI; 3311 cts->protocol_version = SCSI_REV_2; 3312 cts->transport = XPORT_SPI; 3313 cts->transport_version = 2; 3314 3315 spi->valid = 0; 3316 scsi->valid = 0; 3317 spi->flags = 0; 3318 scsi->flags = 0; 3319 if (dval & DPARM_DISC) { 3320 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3321 } 3322 if ((dval & DPARM_SYNC) && oval && pval) { 3323 spi->sync_offset = oval; 3324 spi->sync_period = pval; 3325 } else { 3326 spi->sync_offset = 0; 3327 spi->sync_period = 0; 3328 } 3329 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3330 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3331 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3332 if (dval & DPARM_WIDE) { 3333 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3334 } else { 3335 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3336 } 3337 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3338 scsi->valid = CTS_SCSI_VALID_TQ; 3339 if (dval & DPARM_TQING) { 3340 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3341 } 3342 spi->valid |= CTS_SPI_VALID_DISC; 3343 } 3344 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 3345 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval); 3346 } 3347 ccb->ccb_h.status = CAM_REQ_CMP; 3348 xpt_done(ccb); 3349 break; 3350 3351 case XPT_CALC_GEOMETRY: 3352 cam_calc_geometry(&ccb->ccg, 1); 3353 xpt_done(ccb); 3354 break; 3355 3356 case XPT_RESET_BUS: /* Reset the specified bus */ 3357 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 3358 if (error) { 3359 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3360 xpt_done(ccb); 3361 break; 3362 } 3363 if (bootverbose) { 3364 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 3365 } 3366 if (IS_FC(isp)) { 3367 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 3368 } else { 3369 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 3370 } 3371 ccb->ccb_h.status = CAM_REQ_CMP; 3372 xpt_done(ccb); 3373 break; 3374 3375 case XPT_TERM_IO: /* Terminate the I/O process */ 3376 ccb->ccb_h.status = CAM_REQ_INVALID; 3377 xpt_done(ccb); 3378 break; 3379 3380 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 3381 { 3382 struct ccb_sim_knob *kp = &ccb->knob; 3383 fcparam *fcp; 3384 3385 if (!IS_FC(isp)) { 3386 ccb->ccb_h.status = CAM_REQ_INVALID; 3387 xpt_done(ccb); 3388 break; 3389 } 3390 3391 fcp = FCPARAM(isp, bus); 3392 3393 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 3394 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 3395 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 3396 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 3397 } 3398 ccb->ccb_h.status = CAM_REQ_CMP; 3399 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 3400 int rchange = 0; 3401 int newrole = 0; 3402 3403 switch (kp->xport_specific.fc.role) { 3404 case KNOB_ROLE_NONE: 3405 if (fcp->role != ISP_ROLE_NONE) { 3406 rchange = 1; 3407 newrole = ISP_ROLE_NONE; 3408 } 3409 break; 3410 case KNOB_ROLE_TARGET: 3411 if (fcp->role != ISP_ROLE_TARGET) { 3412 rchange = 1; 3413 newrole = ISP_ROLE_TARGET; 3414 } 3415 break; 3416 case KNOB_ROLE_INITIATOR: 3417 if (fcp->role != ISP_ROLE_INITIATOR) { 3418 rchange = 1; 3419 newrole = ISP_ROLE_INITIATOR; 3420 } 3421 break; 3422 case KNOB_ROLE_BOTH: 3423 if (fcp->role != ISP_ROLE_BOTH) { 3424 rchange = 1; 3425 newrole = ISP_ROLE_BOTH; 3426 } 3427 break; 3428 } 3429 if (rchange) { 3430 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 3431 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 3432 bus, newrole) != 0) { 3433 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3434 xpt_done(ccb); 3435 break; 3436 } 3437 } 3438 } 3439 xpt_done(ccb); 3440 break; 3441 } 3442 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 3443 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 3444 { 3445 struct ccb_sim_knob *kp = &ccb->knob; 3446 3447 if (IS_FC(isp)) { 3448 fcparam *fcp; 3449 3450 fcp = FCPARAM(isp, bus); 3451 3452 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 3453 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 3454 switch (fcp->role) { 3455 case ISP_ROLE_NONE: 3456 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 3457 break; 3458 case ISP_ROLE_TARGET: 3459 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 3460 break; 3461 case ISP_ROLE_INITIATOR: 3462 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 3463 break; 3464 case ISP_ROLE_BOTH: 3465 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 3466 break; 3467 } 3468 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 3469 ccb->ccb_h.status = CAM_REQ_CMP; 3470 } else { 3471 ccb->ccb_h.status = CAM_REQ_INVALID; 3472 } 3473 xpt_done(ccb); 3474 break; 3475 } 3476 case XPT_PATH_INQ: /* Path routing inquiry */ 3477 { 3478 struct ccb_pathinq *cpi = &ccb->cpi; 3479 3480 cpi->version_num = 1; 3481 #ifdef ISP_TARGET_MODE 3482 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp)) 3483 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3484 else 3485 #endif 3486 cpi->target_sprt = 0; 3487 cpi->hba_eng_cnt = 0; 3488 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 3489 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ? 3490 255 : ISP_MAX_LUNS(isp) - 1; 3491 cpi->bus_id = cam_sim_bus(sim); 3492 if (sizeof (bus_size_t) > 4) 3493 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 3494 else 3495 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 3496 3497 if (IS_FC(isp)) { 3498 fcparam *fcp = FCPARAM(isp, bus); 3499 3500 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 3501 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 3502 3503 /* 3504 * Because our loop ID can shift from time to time, 3505 * make our initiator ID out of range of our bus. 3506 */ 3507 cpi->initiator_id = cpi->max_target + 1; 3508 3509 /* 3510 * Set base transfer capabilities for Fibre Channel, for this HBA. 3511 */ 3512 if (IS_25XX(isp)) { 3513 cpi->base_transfer_speed = 8000000; 3514 } else if (IS_24XX(isp)) { 3515 cpi->base_transfer_speed = 4000000; 3516 } else if (IS_23XX(isp)) { 3517 cpi->base_transfer_speed = 2000000; 3518 } else { 3519 cpi->base_transfer_speed = 1000000; 3520 } 3521 cpi->hba_inquiry = PI_TAG_ABLE; 3522 cpi->transport = XPORT_FC; 3523 cpi->transport_version = 0; 3524 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 3525 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 3526 cpi->xport_specific.fc.port = fcp->isp_portid; 3527 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 3528 } else { 3529 sdparam *sdp = SDPARAM(isp, bus); 3530 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3531 cpi->hba_misc = PIM_UNMAPPED; 3532 cpi->initiator_id = sdp->isp_initiator_id; 3533 cpi->base_transfer_speed = 3300; 3534 cpi->transport = XPORT_SPI; 3535 cpi->transport_version = 2; 3536 } 3537 cpi->protocol = PROTO_SCSI; 3538 cpi->protocol_version = SCSI_REV_2; 3539 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3540 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 3541 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3542 cpi->unit_number = cam_sim_unit(sim); 3543 cpi->ccb_h.status = CAM_REQ_CMP; 3544 xpt_done(ccb); 3545 break; 3546 } 3547 default: 3548 ccb->ccb_h.status = CAM_REQ_INVALID; 3549 xpt_done(ccb); 3550 break; 3551 } 3552 } 3553 3554 void 3555 isp_done(XS_T *sccb) 3556 { 3557 ispsoftc_t *isp = XS_ISP(sccb); 3558 uint32_t status; 3559 3560 if (XS_NOERR(sccb)) 3561 XS_SETERR(sccb, CAM_REQ_CMP); 3562 3563 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 3564 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 3565 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 3566 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 3567 } else { 3568 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 3569 } 3570 } 3571 3572 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3573 status = sccb->ccb_h.status & CAM_STATUS_MASK; 3574 if (status != CAM_REQ_CMP && 3575 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 3576 sccb->ccb_h.status |= CAM_DEV_QFRZN; 3577 xpt_freeze_devq(sccb->ccb_h.path, 1); 3578 } 3579 3580 if (ISP_PCMD(sccb)) { 3581 if (callout_active(&PISP_PCMD(sccb)->wdog)) 3582 callout_stop(&PISP_PCMD(sccb)->wdog); 3583 isp_free_pcmd(isp, (union ccb *) sccb); 3584 } 3585 xpt_done((union ccb *) sccb); 3586 } 3587 3588 void 3589 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 3590 { 3591 int bus; 3592 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 3593 char buf[64]; 3594 char *msg = NULL; 3595 target_id_t tgt = 0; 3596 fcportdb_t *lp; 3597 struct isp_fc *fc; 3598 struct cam_path *tmppath; 3599 struct ac_contract ac; 3600 struct ac_device_changed *adc; 3601 va_list ap; 3602 3603 switch (cmd) { 3604 case ISPASYNC_NEW_TGT_PARAMS: 3605 { 3606 struct ccb_trans_settings_scsi *scsi; 3607 struct ccb_trans_settings_spi *spi; 3608 int flags, tgt; 3609 sdparam *sdp; 3610 struct ccb_trans_settings cts; 3611 3612 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 3613 3614 va_start(ap, cmd); 3615 bus = va_arg(ap, int); 3616 tgt = va_arg(ap, int); 3617 va_end(ap); 3618 sdp = SDPARAM(isp, bus); 3619 3620 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 3621 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 3622 break; 3623 } 3624 flags = sdp->isp_devparam[tgt].actv_flags; 3625 cts.type = CTS_TYPE_CURRENT_SETTINGS; 3626 cts.protocol = PROTO_SCSI; 3627 cts.transport = XPORT_SPI; 3628 3629 scsi = &cts.proto_specific.scsi; 3630 spi = &cts.xport_specific.spi; 3631 3632 if (flags & DPARM_TQING) { 3633 scsi->valid |= CTS_SCSI_VALID_TQ; 3634 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3635 } 3636 3637 if (flags & DPARM_DISC) { 3638 spi->valid |= CTS_SPI_VALID_DISC; 3639 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3640 } 3641 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 3642 if (flags & DPARM_WIDE) { 3643 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3644 } else { 3645 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3646 } 3647 if (flags & DPARM_SYNC) { 3648 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3649 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3650 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 3651 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 3652 } 3653 isp_prt(isp, ISP_LOGDEBUG2, "NEW_TGT_PARAMS bus %d tgt %d period %x offset %x flags %x", bus, tgt, sdp->isp_devparam[tgt].actv_period, sdp->isp_devparam[tgt].actv_offset, flags); 3654 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 3655 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 3656 xpt_free_path(tmppath); 3657 break; 3658 } 3659 case ISPASYNC_BUS_RESET: 3660 { 3661 va_start(ap, cmd); 3662 bus = va_arg(ap, int); 3663 va_end(ap); 3664 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 3665 if (IS_FC(isp)) { 3666 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 3667 } else { 3668 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 3669 } 3670 break; 3671 } 3672 case ISPASYNC_LOOP_RESET: 3673 { 3674 uint16_t lipp; 3675 fcparam *fcp; 3676 va_start(ap, cmd); 3677 bus = va_arg(ap, int); 3678 va_end(ap); 3679 3680 lipp = ISP_READ(isp, OUTMAILBOX1); 3681 fcp = FCPARAM(isp, bus); 3682 3683 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp); 3684 /* 3685 * Per FCP-4, a Reset LIP should result in a CRN reset. Other 3686 * LIPs and loop up/down events should never reset the CRN. For 3687 * an as of yet unknown reason, 24xx series cards (and 3688 * potentially others) can interrupt with a LIP Reset status 3689 * when no LIP reset came down the wire. Additionally, the LIP 3690 * primitive accompanying this status would not be a valid LIP 3691 * Reset primitive, but some variation of an invalid AL_PA 3692 * LIP. As a result, we have to verify the AL_PD in the LIP 3693 * addresses our port before blindly resetting. 3694 */ 3695 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF))) 3696 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 3697 isp_loop_changed(isp, bus); 3698 break; 3699 } 3700 case ISPASYNC_LIP: 3701 if (msg == NULL) 3702 msg = "LIP Received"; 3703 /* FALLTHROUGH */ 3704 case ISPASYNC_LOOP_DOWN: 3705 if (msg == NULL) 3706 msg = "LOOP Down"; 3707 /* FALLTHROUGH */ 3708 case ISPASYNC_LOOP_UP: 3709 if (msg == NULL) 3710 msg = "LOOP Up"; 3711 va_start(ap, cmd); 3712 bus = va_arg(ap, int); 3713 va_end(ap); 3714 isp_loop_changed(isp, bus); 3715 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3716 break; 3717 case ISPASYNC_DEV_ARRIVED: 3718 va_start(ap, cmd); 3719 bus = va_arg(ap, int); 3720 lp = va_arg(ap, fcportdb_t *); 3721 va_end(ap); 3722 fc = ISP_FC_PC(isp, bus); 3723 tgt = FC_PORTDB_TGT(isp, bus, lp); 3724 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3725 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 3726 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3727 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 3728 lp->is_target = 1; 3729 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3730 isp_make_here(isp, lp, bus, tgt); 3731 } 3732 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3733 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 3734 lp->is_initiator = 1; 3735 ac.contract_number = AC_CONTRACT_DEV_CHG; 3736 adc = (struct ac_device_changed *) ac.contract_data; 3737 adc->wwpn = lp->port_wwn; 3738 adc->port = lp->portid; 3739 adc->target = tgt; 3740 adc->arrived = 1; 3741 xpt_async(AC_CONTRACT, fc->path, &ac); 3742 } 3743 break; 3744 case ISPASYNC_DEV_CHANGED: 3745 case ISPASYNC_DEV_STAYED: 3746 { 3747 int crn_reset_done; 3748 3749 crn_reset_done = 0; 3750 va_start(ap, cmd); 3751 bus = va_arg(ap, int); 3752 lp = va_arg(ap, fcportdb_t *); 3753 va_end(ap); 3754 fc = ISP_FC_PC(isp, bus); 3755 tgt = FC_PORTDB_TGT(isp, bus, lp); 3756 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 3757 if (cmd == ISPASYNC_DEV_CHANGED) 3758 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 3759 else 3760 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 3761 3762 if (lp->is_target != 3763 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3764 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 3765 lp->is_target = !lp->is_target; 3766 if (lp->is_target) { 3767 if (cmd == ISPASYNC_DEV_CHANGED) { 3768 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3769 crn_reset_done = 1; 3770 } 3771 isp_make_here(isp, lp, bus, tgt); 3772 } else { 3773 isp_make_gone(isp, lp, bus, tgt); 3774 if (cmd == ISPASYNC_DEV_CHANGED) { 3775 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3776 crn_reset_done = 1; 3777 } 3778 } 3779 } 3780 if (lp->is_initiator != 3781 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3782 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 3783 lp->is_initiator = !lp->is_initiator; 3784 ac.contract_number = AC_CONTRACT_DEV_CHG; 3785 adc = (struct ac_device_changed *) ac.contract_data; 3786 adc->wwpn = lp->port_wwn; 3787 adc->port = lp->portid; 3788 adc->target = tgt; 3789 adc->arrived = lp->is_initiator; 3790 xpt_async(AC_CONTRACT, fc->path, &ac); 3791 } 3792 3793 if ((cmd == ISPASYNC_DEV_CHANGED) && 3794 (crn_reset_done == 0)) 3795 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3796 3797 break; 3798 } 3799 case ISPASYNC_DEV_GONE: 3800 va_start(ap, cmd); 3801 bus = va_arg(ap, int); 3802 lp = va_arg(ap, fcportdb_t *); 3803 va_end(ap); 3804 fc = ISP_FC_PC(isp, bus); 3805 tgt = FC_PORTDB_TGT(isp, bus, lp); 3806 /* 3807 * If this has a virtual target or initiator set the isp_gdt 3808 * timer running on it to delay its departure. 3809 */ 3810 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3811 if (lp->is_target || lp->is_initiator) { 3812 lp->state = FC_PORTDB_STATE_ZOMBIE; 3813 lp->gone_timer = fc->gone_device_time; 3814 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 3815 if (fc->ready && !callout_active(&fc->gdt)) { 3816 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); 3817 callout_reset(&fc->gdt, hz, isp_gdt, fc); 3818 } 3819 break; 3820 } 3821 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 3822 break; 3823 case ISPASYNC_CHANGE_NOTIFY: 3824 { 3825 char *msg; 3826 int evt, nphdl, nlstate, portid, reason; 3827 3828 va_start(ap, cmd); 3829 bus = va_arg(ap, int); 3830 evt = va_arg(ap, int); 3831 if (evt == ISPASYNC_CHANGE_PDB) { 3832 nphdl = va_arg(ap, int); 3833 nlstate = va_arg(ap, int); 3834 reason = va_arg(ap, int); 3835 } else if (evt == ISPASYNC_CHANGE_SNS) { 3836 portid = va_arg(ap, int); 3837 } else { 3838 nphdl = NIL_HANDLE; 3839 nlstate = reason = 0; 3840 } 3841 va_end(ap); 3842 3843 if (evt == ISPASYNC_CHANGE_PDB) { 3844 int tgt_set = 0; 3845 msg = "Port Database Changed"; 3846 isp_prt(isp, ISP_LOGINFO, 3847 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3848 bus, msg, nphdl, nlstate, reason); 3849 /* 3850 * Port database syncs are not sufficient for 3851 * determining that logins or logouts are done on the 3852 * loop, but this information is directly available from 3853 * the reason code from the incoming mbox. We must reset 3854 * the fcp crn on these events according to FCP-4 3855 */ 3856 switch (reason) { 3857 case PDB24XX_AE_IMPL_LOGO_1: 3858 case PDB24XX_AE_IMPL_LOGO_2: 3859 case PDB24XX_AE_IMPL_LOGO_3: 3860 case PDB24XX_AE_PLOGI_RCVD: 3861 case PDB24XX_AE_PRLI_RCVD: 3862 case PDB24XX_AE_PRLO_RCVD: 3863 case PDB24XX_AE_LOGO_RCVD: 3864 case PDB24XX_AE_PLOGI_DONE: 3865 case PDB24XX_AE_PRLI_DONE: 3866 /* 3867 * If the event is not global, twiddle tgt and 3868 * tgt_set to nominate only the target 3869 * associated with the nphdl. 3870 */ 3871 if (nphdl != PDB24XX_AE_GLOBAL) { 3872 /* Break if we don't yet have the pdb */ 3873 if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp)) 3874 break; 3875 tgt = FC_PORTDB_TGT(isp, bus, lp); 3876 tgt_set = 1; 3877 } 3878 isp_fcp_reset_crn(isp, bus, tgt, tgt_set); 3879 break; 3880 default: 3881 break; /* NOP */ 3882 } 3883 } else if (evt == ISPASYNC_CHANGE_SNS) { 3884 msg = "Name Server Database Changed"; 3885 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3886 bus, msg, portid); 3887 } else { 3888 msg = "Other Change Notify"; 3889 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3890 } 3891 isp_loop_changed(isp, bus); 3892 break; 3893 } 3894 #ifdef ISP_TARGET_MODE 3895 case ISPASYNC_TARGET_NOTIFY: 3896 { 3897 isp_notify_t *notify; 3898 va_start(ap, cmd); 3899 notify = va_arg(ap, isp_notify_t *); 3900 va_end(ap); 3901 switch (notify->nt_ncode) { 3902 case NT_ABORT_TASK: 3903 case NT_ABORT_TASK_SET: 3904 case NT_CLEAR_ACA: 3905 case NT_CLEAR_TASK_SET: 3906 case NT_LUN_RESET: 3907 case NT_TARGET_RESET: 3908 case NT_QUERY_TASK_SET: 3909 case NT_QUERY_ASYNC_EVENT: 3910 /* 3911 * These are task management functions. 3912 */ 3913 isp_handle_platform_target_tmf(isp, notify); 3914 break; 3915 case NT_BUS_RESET: 3916 case NT_LIP_RESET: 3917 case NT_LINK_UP: 3918 case NT_LINK_DOWN: 3919 case NT_HBA_RESET: 3920 /* 3921 * No action need be taken here. 3922 */ 3923 break; 3924 case NT_GLOBAL_LOGOUT: 3925 case NT_LOGOUT: 3926 /* 3927 * This is device arrival/departure notification 3928 */ 3929 isp_handle_platform_target_notify_ack(isp, notify, 0); 3930 break; 3931 case NT_SRR: 3932 isp_handle_platform_srr(isp, notify); 3933 break; 3934 default: 3935 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3936 isp_handle_platform_target_notify_ack(isp, notify, 0); 3937 break; 3938 } 3939 break; 3940 } 3941 case ISPASYNC_TARGET_NOTIFY_ACK: 3942 { 3943 void *inot; 3944 va_start(ap, cmd); 3945 inot = va_arg(ap, void *); 3946 va_end(ap); 3947 if (isp_notify_ack(isp, inot)) { 3948 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3949 if (tp) { 3950 tp->isp = isp; 3951 memcpy(tp->data, inot, sizeof (tp->data)); 3952 tp->not = tp->data; 3953 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3954 callout_reset(&tp->timer, 5, 3955 isp_refire_notify_ack, tp); 3956 } else { 3957 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3958 } 3959 } 3960 break; 3961 } 3962 case ISPASYNC_TARGET_ACTION: 3963 { 3964 isphdr_t *hp; 3965 3966 va_start(ap, cmd); 3967 hp = va_arg(ap, isphdr_t *); 3968 va_end(ap); 3969 switch (hp->rqs_entry_type) { 3970 case RQSTYPE_ATIO: 3971 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 3972 break; 3973 case RQSTYPE_ATIO2: 3974 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 3975 break; 3976 case RQSTYPE_CTIO7: 3977 case RQSTYPE_CTIO3: 3978 case RQSTYPE_CTIO2: 3979 case RQSTYPE_CTIO: 3980 isp_handle_platform_ctio(isp, hp); 3981 break; 3982 default: 3983 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3984 __func__, hp->rqs_entry_type); 3985 break; 3986 } 3987 break; 3988 } 3989 #endif 3990 case ISPASYNC_FW_CRASH: 3991 { 3992 uint16_t mbox1, mbox6; 3993 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3994 if (IS_DUALBUS(isp)) { 3995 mbox6 = ISP_READ(isp, OUTMAILBOX6); 3996 } else { 3997 mbox6 = 0; 3998 } 3999 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 4000 #if 0 4001 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 4002 isp->isp_osinfo.mbox_sleep_ok = 0; 4003 isp_reinit(isp, 1); 4004 isp->isp_osinfo.mbox_sleep_ok = mbox1; 4005 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 4006 #endif 4007 break; 4008 } 4009 default: 4010 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 4011 break; 4012 } 4013 } 4014 4015 uint64_t 4016 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 4017 { 4018 uint64_t seed; 4019 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4020 4021 /* First try to use explicitly configured WWNs. */ 4022 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 4023 if (seed) 4024 return (seed); 4025 4026 /* Otherwise try to use WWNs from NVRAM. */ 4027 if (isactive) { 4028 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 4029 FCPARAM(isp, chan)->isp_wwpn_nvram; 4030 if (seed) 4031 return (seed); 4032 } 4033 4034 /* If still no WWNs, try to steal them from the first channel. */ 4035 if (chan > 0) { 4036 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 4037 ISP_FC_PC(isp, 0)->def_wwpn; 4038 if (seed == 0) { 4039 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 4040 FCPARAM(isp, 0)->isp_wwpn_nvram; 4041 } 4042 } 4043 4044 /* If still nothing -- improvise. */ 4045 if (seed == 0) { 4046 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 4047 if (!iswwnn) 4048 seed ^= 0x0100000000000000ULL; 4049 } 4050 4051 /* For additional channels we have to improvise even more. */ 4052 if (!iswwnn && chan > 0) { 4053 /* 4054 * We'll stick our channel number plus one first into bits 4055 * 57..59 and thence into bits 52..55 which allows for 8 bits 4056 * of channel which is enough for our maximum of 255 channels. 4057 */ 4058 seed ^= 0x0100000000000000ULL; 4059 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 4060 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 4061 } 4062 return (seed); 4063 } 4064 4065 void 4066 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 4067 { 4068 int loc; 4069 char lbuf[200]; 4070 va_list ap; 4071 4072 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4073 return; 4074 } 4075 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 4076 loc = strlen(lbuf); 4077 va_start(ap, fmt); 4078 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 4079 va_end(ap); 4080 printf("%s\n", lbuf); 4081 } 4082 4083 void 4084 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 4085 { 4086 va_list ap; 4087 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4088 return; 4089 } 4090 xpt_print_path(xs->ccb_h.path); 4091 va_start(ap, fmt); 4092 vprintf(fmt, ap); 4093 va_end(ap); 4094 printf("\n"); 4095 } 4096 4097 uint64_t 4098 isp_nanotime_sub(struct timespec *b, struct timespec *a) 4099 { 4100 uint64_t elapsed; 4101 struct timespec x; 4102 4103 timespecsub(b, a, &x); 4104 elapsed = GET_NANOSEC(&x); 4105 if (elapsed == 0) 4106 elapsed++; 4107 return (elapsed); 4108 } 4109 4110 int 4111 isp_mbox_acquire(ispsoftc_t *isp) 4112 { 4113 if (isp->isp_osinfo.mboxbsy) { 4114 return (1); 4115 } else { 4116 isp->isp_osinfo.mboxcmd_done = 0; 4117 isp->isp_osinfo.mboxbsy = 1; 4118 return (0); 4119 } 4120 } 4121 4122 void 4123 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 4124 { 4125 u_int t, to; 4126 4127 to = (mbp->timeout == 0) ? MBCMD_DEFAULT_TIMEOUT : mbp->timeout; 4128 if (isp->isp_osinfo.mbox_sleep_ok) { 4129 isp->isp_osinfo.mbox_sleep_ok = 0; 4130 isp->isp_osinfo.mbox_sleeping = 1; 4131 msleep_sbt(&isp->isp_osinfo.mboxcmd_done, &isp->isp_lock, 4132 PRIBIO, "ispmbx_sleep", to * SBT_1US, 0, 0); 4133 isp->isp_osinfo.mbox_sleep_ok = 1; 4134 isp->isp_osinfo.mbox_sleeping = 0; 4135 } else { 4136 for (t = 0; t < to; t += 100) { 4137 if (isp->isp_osinfo.mboxcmd_done) 4138 break; 4139 ISP_RUN_ISR(isp); 4140 if (isp->isp_osinfo.mboxcmd_done) 4141 break; 4142 ISP_DELAY(100); 4143 } 4144 } 4145 if (isp->isp_osinfo.mboxcmd_done == 0) { 4146 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (%s:%d)", 4147 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 4148 isp->isp_lastmbxcmd, to, mbp->func, mbp->lineno); 4149 mbp->param[0] = MBOX_TIMEOUT; 4150 isp->isp_osinfo.mboxcmd_done = 1; 4151 } 4152 } 4153 4154 void 4155 isp_mbox_notify_done(ispsoftc_t *isp) 4156 { 4157 isp->isp_osinfo.mboxcmd_done = 1; 4158 if (isp->isp_osinfo.mbox_sleeping) 4159 wakeup(&isp->isp_osinfo.mboxcmd_done); 4160 } 4161 4162 void 4163 isp_mbox_release(ispsoftc_t *isp) 4164 { 4165 isp->isp_osinfo.mboxbsy = 0; 4166 } 4167 4168 int 4169 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 4170 { 4171 int ret = 0; 4172 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 4173 ret = -1; 4174 } else { 4175 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 4176 } 4177 return (ret); 4178 } 4179 4180 void 4181 isp_platform_intr(void *arg) 4182 { 4183 ispsoftc_t *isp = arg; 4184 4185 ISP_LOCK(isp); 4186 ISP_RUN_ISR(isp); 4187 ISP_UNLOCK(isp); 4188 } 4189 4190 void 4191 isp_platform_intr_resp(void *arg) 4192 { 4193 ispsoftc_t *isp = arg; 4194 4195 ISP_LOCK(isp); 4196 isp_intr_respq(isp); 4197 ISP_UNLOCK(isp); 4198 4199 /* We have handshake enabled, so explicitly complete interrupt */ 4200 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4201 } 4202 4203 void 4204 isp_platform_intr_atio(void *arg) 4205 { 4206 ispsoftc_t *isp = arg; 4207 4208 ISP_LOCK(isp); 4209 #ifdef ISP_TARGET_MODE 4210 isp_intr_atioq(isp); 4211 #endif 4212 ISP_UNLOCK(isp); 4213 4214 /* We have handshake enabled, so explicitly complete interrupt */ 4215 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4216 } 4217 4218 void 4219 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 4220 { 4221 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4222 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 4223 } else { 4224 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 4225 } 4226 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 4227 } 4228 4229 /* 4230 * Reset the command reference number for all LUNs on a specific target 4231 * (needed when a target arrives again) or for all targets on a port 4232 * (needed for events like a LIP). 4233 */ 4234 void 4235 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 4236 { 4237 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4238 struct isp_nexus *nxp; 4239 int i; 4240 4241 if (tgt_set == 0) 4242 isp_prt(isp, ISP_LOGDEBUG0, 4243 "Chan %d resetting CRN on all targets", chan); 4244 else 4245 isp_prt(isp, ISP_LOGDEBUG0, 4246 "Chan %d resetting CRN on target %u", chan, tgt); 4247 4248 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 4249 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 4250 if (tgt_set == 0 || tgt == nxp->tgt) 4251 nxp->crnseed = 0; 4252 } 4253 } 4254 } 4255 4256 int 4257 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 4258 { 4259 lun_id_t lun; 4260 uint32_t chan, tgt; 4261 struct isp_fc *fc; 4262 struct isp_nexus *nxp; 4263 int idx; 4264 4265 if (IS_2100(isp)) 4266 return (0); 4267 4268 chan = XS_CHANNEL(cmd); 4269 tgt = XS_TGT(cmd); 4270 lun = XS_LUN(cmd); 4271 fc = &isp->isp_osinfo.pc.fc[chan]; 4272 idx = NEXUS_HASH(tgt, lun); 4273 nxp = fc->nexus_hash[idx]; 4274 4275 while (nxp) { 4276 if (nxp->tgt == tgt && nxp->lun == lun) 4277 break; 4278 nxp = nxp->next; 4279 } 4280 if (nxp == NULL) { 4281 nxp = fc->nexus_free_list; 4282 if (nxp == NULL) { 4283 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 4284 if (nxp == NULL) { 4285 return (-1); 4286 } 4287 } else { 4288 fc->nexus_free_list = nxp->next; 4289 } 4290 nxp->tgt = tgt; 4291 nxp->lun = lun; 4292 nxp->next = fc->nexus_hash[idx]; 4293 fc->nexus_hash[idx] = nxp; 4294 } 4295 if (nxp->crnseed == 0) 4296 nxp->crnseed = 1; 4297 *crnp = nxp->crnseed++; 4298 return (0); 4299 } 4300 4301 /* 4302 * We enter with the lock held 4303 */ 4304 void 4305 isp_timer(void *arg) 4306 { 4307 ispsoftc_t *isp = arg; 4308 #ifdef ISP_TARGET_MODE 4309 isp_tmcmd_restart(isp); 4310 #endif 4311 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 4312 } 4313 4314 isp_ecmd_t * 4315 isp_get_ecmd(ispsoftc_t *isp) 4316 { 4317 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 4318 if (ecmd) { 4319 isp->isp_osinfo.ecmd_free = ecmd->next; 4320 } 4321 return (ecmd); 4322 } 4323 4324 void 4325 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 4326 { 4327 ecmd->next = isp->isp_osinfo.ecmd_free; 4328 isp->isp_osinfo.ecmd_free = ecmd; 4329 } 4330