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