1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009-2017 Alexander Motin <mav@FreeBSD.org> 5 * Copyright (c) 1997-2009 by Matthew Jacob 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters. 32 */ 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <dev/isp/isp_freebsd.h> 37 #include <sys/unistd.h> 38 #include <sys/kthread.h> 39 #include <sys/conf.h> 40 #include <sys/module.h> 41 #include <sys/ioccom.h> 42 #include <dev/isp/isp_ioctl.h> 43 #include <sys/devicestat.h> 44 #include <cam/cam_periph.h> 45 #include <cam/cam_xpt_periph.h> 46 47 MODULE_VERSION(isp, 1); 48 MODULE_DEPEND(isp, cam, 1, 1, 1); 49 int isp_announced = 0; 50 int isp_loop_down_limit = 60; /* default loop down limit */ 51 int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */ 52 int isp_gone_device_time = 30; /* grace time before reporting device lost */ 53 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 54 55 static void isp_freeze_loopdown(ispsoftc_t *, int); 56 static void isp_loop_changed(ispsoftc_t *isp, int chan); 57 static d_ioctl_t ispioctl; 58 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *); 59 static void isp_poll(struct cam_sim *); 60 static callout_func_t isp_watchdog; 61 static callout_func_t isp_gdt; 62 static task_fn_t isp_gdt_task; 63 static void isp_kthread(void *); 64 static void isp_action(struct cam_sim *, union ccb *); 65 static int isp_timer_count; 66 static void isp_timer(void *); 67 68 static struct cdevsw isp_cdevsw = { 69 .d_version = D_VERSION, 70 .d_ioctl = ispioctl, 71 .d_name = "isp", 72 }; 73 74 static int 75 isp_role_sysctl(SYSCTL_HANDLER_ARGS) 76 { 77 ispsoftc_t *isp = (ispsoftc_t *)arg1; 78 int chan = arg2; 79 int error, old, value; 80 81 value = FCPARAM(isp, chan)->role; 82 83 error = sysctl_handle_int(oidp, &value, 0, req); 84 if ((error != 0) || (req->newptr == NULL)) 85 return (error); 86 87 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 88 return (EINVAL); 89 90 ISP_LOCK(isp); 91 old = FCPARAM(isp, chan)->role; 92 93 /* We don't allow target mode switch from here. */ 94 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 95 96 /* If nothing has changed -- we are done. */ 97 if (value == old) { 98 ISP_UNLOCK(isp); 99 return (0); 100 } 101 102 /* Actually change the role. */ 103 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 104 ISP_UNLOCK(isp); 105 return (error); 106 } 107 108 static int 109 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 110 { 111 struct ccb_setasync csa; 112 struct cam_sim *sim; 113 struct cam_path *path; 114 #ifdef ISP_TARGET_MODE 115 int i; 116 #endif 117 118 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 119 device_get_unit(isp->isp_dev), &isp->isp_lock, 120 isp->isp_maxcmds, isp->isp_maxcmds, devq); 121 if (sim == NULL) 122 return (ENOMEM); 123 124 ISP_LOCK(isp); 125 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 126 ISP_UNLOCK(isp); 127 cam_sim_free(sim, FALSE); 128 return (EIO); 129 } 130 ISP_UNLOCK(isp); 131 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 132 ISP_LOCK(isp); 133 xpt_bus_deregister(cam_sim_path(sim)); 134 ISP_UNLOCK(isp); 135 cam_sim_free(sim, FALSE); 136 return (ENXIO); 137 } 138 xpt_setup_ccb(&csa.ccb_h, path, 5); 139 csa.ccb_h.func_code = XPT_SASYNC_CB; 140 csa.event_enable = AC_LOST_DEVICE; 141 csa.callback = isp_cam_async; 142 csa.callback_arg = sim; 143 144 ISP_LOCK(isp); 145 xpt_action((union ccb *)&csa); 146 ISP_UNLOCK(isp); 147 148 if (IS_SCSI(isp)) { 149 struct isp_spi *spi = ISP_SPI_PC(isp, chan); 150 spi->sim = sim; 151 spi->path = path; 152 #ifdef ISP_TARGET_MODE 153 TAILQ_INIT(&spi->waitq); 154 STAILQ_INIT(&spi->ntfree); 155 for (i = 0; i < ATPDPSIZE; i++) 156 STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next); 157 LIST_INIT(&spi->atfree); 158 for (i = ATPDPSIZE-1; i >= 0; i--) 159 LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next); 160 for (i = 0; i < ATPDPHASHSIZE; i++) 161 LIST_INIT(&spi->atused[i]); 162 #endif 163 } else { 164 fcparam *fcp = FCPARAM(isp, chan); 165 struct isp_fc *fc = ISP_FC_PC(isp, chan); 166 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 167 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 168 char name[16]; 169 170 ISP_LOCK(isp); 171 fc->sim = sim; 172 fc->path = path; 173 fc->isp = isp; 174 fc->ready = 1; 175 fcp->isp_use_gft_id = 1; 176 fcp->isp_use_gff_id = 1; 177 178 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0); 179 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 180 #ifdef ISP_TARGET_MODE 181 TAILQ_INIT(&fc->waitq); 182 STAILQ_INIT(&fc->ntfree); 183 for (i = 0; i < ATPDPSIZE; i++) 184 STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next); 185 LIST_INIT(&fc->atfree); 186 for (i = ATPDPSIZE-1; i >= 0; i--) 187 LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next); 188 for (i = 0; i < ATPDPHASHSIZE; i++) 189 LIST_INIT(&fc->atused[i]); 190 #endif 191 isp_loop_changed(isp, chan); 192 ISP_UNLOCK(isp); 193 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0, 194 "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 195 xpt_free_path(fc->path); 196 ISP_LOCK(isp); 197 xpt_bus_deregister(cam_sim_path(fc->sim)); 198 ISP_UNLOCK(isp); 199 cam_sim_free(fc->sim, FALSE); 200 return (ENOMEM); 201 } 202 fc->num_threads += 1; 203 if (chan > 0) { 204 snprintf(name, sizeof(name), "chan%d", chan); 205 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 206 OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 207 "Virtual channel"); 208 } 209 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 210 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 211 "World Wide Node Name"); 212 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 213 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 214 "World Wide Port Name"); 215 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 216 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 217 "Loop Down Limit"); 218 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 219 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 220 "Gone Device Time"); 221 #if defined(ISP_TARGET_MODE) && defined(DEBUG) 222 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 223 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 224 "Cause a Lost Frame on a Read"); 225 #endif 226 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 227 "role", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 228 isp, chan, isp_role_sysctl, "I", "Current role"); 229 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 230 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 231 "Connection speed in gigabits"); 232 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 233 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 234 "Link state"); 235 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 236 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 237 "Firmware state"); 238 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 239 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 240 "Loop state"); 241 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 242 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 243 "Connection topology"); 244 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 245 "use_gft_id", CTLFLAG_RWTUN, &fcp->isp_use_gft_id, 0, 246 "Use GFT_ID during fabric scan"); 247 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 248 "use_gff_id", CTLFLAG_RWTUN, &fcp->isp_use_gff_id, 0, 249 "Use GFF_ID during fabric scan"); 250 } 251 return (0); 252 } 253 254 static void 255 isp_detach_chan(ispsoftc_t *isp, int chan) 256 { 257 struct cam_sim *sim; 258 struct cam_path *path; 259 struct ccb_setasync csa; 260 int *num_threads; 261 262 ISP_GET_PC(isp, chan, sim, sim); 263 ISP_GET_PC(isp, chan, path, path); 264 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 265 266 xpt_setup_ccb(&csa.ccb_h, path, 5); 267 csa.ccb_h.func_code = XPT_SASYNC_CB; 268 csa.event_enable = 0; 269 csa.callback = isp_cam_async; 270 csa.callback_arg = sim; 271 xpt_action((union ccb *)&csa); 272 xpt_free_path(path); 273 xpt_bus_deregister(cam_sim_path(sim)); 274 cam_sim_free(sim, FALSE); 275 276 /* Wait for the channel's spawned threads to exit. */ 277 wakeup(isp->isp_osinfo.pc.ptr); 278 while (*num_threads != 0) 279 mtx_sleep(isp, &isp->isp_lock, PRIBIO, "isp_reap", 100); 280 } 281 282 int 283 isp_attach(ispsoftc_t *isp) 284 { 285 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 286 int du = device_get_unit(isp->isp_dev); 287 int chan; 288 289 /* 290 * Create the device queue for our SIM(s). 291 */ 292 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 293 if (isp->isp_osinfo.devq == NULL) { 294 return (EIO); 295 } 296 297 for (chan = 0; chan < isp->isp_nchan; chan++) { 298 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 299 goto unwind; 300 } 301 } 302 303 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0); 304 isp_timer_count = hz >> 2; 305 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 306 307 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 308 if (isp->isp_osinfo.cdev) { 309 isp->isp_osinfo.cdev->si_drv1 = isp; 310 } 311 return (0); 312 313 unwind: 314 while (--chan >= 0) { 315 struct cam_sim *sim; 316 struct cam_path *path; 317 318 ISP_GET_PC(isp, chan, sim, sim); 319 ISP_GET_PC(isp, chan, path, path); 320 xpt_free_path(path); 321 ISP_LOCK(isp); 322 xpt_bus_deregister(cam_sim_path(sim)); 323 ISP_UNLOCK(isp); 324 cam_sim_free(sim, FALSE); 325 } 326 cam_simq_free(isp->isp_osinfo.devq); 327 isp->isp_osinfo.devq = NULL; 328 return (-1); 329 } 330 331 int 332 isp_detach(ispsoftc_t *isp) 333 { 334 int chan; 335 336 if (isp->isp_osinfo.cdev) { 337 destroy_dev(isp->isp_osinfo.cdev); 338 isp->isp_osinfo.cdev = NULL; 339 } 340 ISP_LOCK(isp); 341 /* Tell spawned threads that we're exiting. */ 342 isp->isp_osinfo.is_exiting = 1; 343 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 344 isp_detach_chan(isp, chan); 345 ISP_UNLOCK(isp); 346 callout_drain(&isp->isp_osinfo.tmo); 347 cam_simq_free(isp->isp_osinfo.devq); 348 return (0); 349 } 350 351 static void 352 isp_freeze_loopdown(ispsoftc_t *isp, int chan) 353 { 354 struct isp_fc *fc = ISP_FC_PC(isp, chan); 355 356 if (fc->sim == NULL) 357 return; 358 if (fc->simqfrozen == 0) { 359 isp_prt(isp, ISP_LOGDEBUG0, 360 "Chan %d Freeze simq (loopdown)", chan); 361 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 362 xpt_hold_boot(); 363 xpt_freeze_simq(fc->sim, 1); 364 } else { 365 isp_prt(isp, ISP_LOGDEBUG0, 366 "Chan %d Mark simq frozen (loopdown)", chan); 367 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 368 } 369 } 370 371 static void 372 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 373 { 374 struct isp_fc *fc = ISP_FC_PC(isp, chan); 375 376 if (fc->sim == NULL) 377 return; 378 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 379 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 380 if (wasfrozen && fc->simqfrozen == 0) { 381 isp_prt(isp, ISP_LOGDEBUG0, 382 "Chan %d Release simq", chan); 383 xpt_release_simq(fc->sim, 1); 384 xpt_release_boot(); 385 } 386 } 387 388 static int 389 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 390 { 391 ispsoftc_t *isp; 392 int nr, chan, retval = ENOTTY; 393 394 isp = dev->si_drv1; 395 396 switch (c) { 397 case ISP_SDBLEV: 398 { 399 int olddblev = isp->isp_dblev; 400 isp->isp_dblev = *(int *)addr; 401 *(int *)addr = olddblev; 402 retval = 0; 403 break; 404 } 405 case ISP_GETROLE: 406 chan = *(int *)addr; 407 if (chan < 0 || chan >= isp->isp_nchan) { 408 retval = -ENXIO; 409 break; 410 } 411 if (IS_FC(isp)) { 412 *(int *)addr = FCPARAM(isp, chan)->role; 413 } else { 414 *(int *)addr = ISP_ROLE_INITIATOR; 415 } 416 retval = 0; 417 break; 418 case ISP_SETROLE: 419 if (IS_SCSI(isp)) 420 break; 421 nr = *(int *)addr; 422 chan = nr >> 8; 423 if (chan < 0 || chan >= isp->isp_nchan) { 424 retval = -ENXIO; 425 break; 426 } 427 nr &= 0xff; 428 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 429 retval = EINVAL; 430 break; 431 } 432 ISP_LOCK(isp); 433 *(int *)addr = FCPARAM(isp, chan)->role; 434 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 435 ISP_UNLOCK(isp); 436 retval = 0; 437 break; 438 439 case ISP_RESETHBA: 440 ISP_LOCK(isp); 441 isp_reinit(isp, 0); 442 ISP_UNLOCK(isp); 443 retval = 0; 444 break; 445 446 case ISP_RESCAN: 447 if (IS_FC(isp)) { 448 chan = *(intptr_t *)addr; 449 if (chan < 0 || chan >= isp->isp_nchan) { 450 retval = -ENXIO; 451 break; 452 } 453 ISP_LOCK(isp); 454 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 455 retval = EIO; 456 } else { 457 retval = 0; 458 } 459 ISP_UNLOCK(isp); 460 } 461 break; 462 463 case ISP_FC_LIP: 464 if (IS_FC(isp)) { 465 chan = *(intptr_t *)addr; 466 if (chan < 0 || chan >= isp->isp_nchan) { 467 retval = -ENXIO; 468 break; 469 } 470 ISP_LOCK(isp); 471 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 472 retval = EIO; 473 } else { 474 retval = 0; 475 } 476 ISP_UNLOCK(isp); 477 } 478 break; 479 case ISP_FC_GETDINFO: 480 { 481 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 482 fcportdb_t *lp; 483 484 if (IS_SCSI(isp)) { 485 break; 486 } 487 if (ifc->loopid >= MAX_FC_TARG) { 488 retval = EINVAL; 489 break; 490 } 491 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 492 if (lp->state != FC_PORTDB_STATE_NIL) { 493 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 494 ifc->loopid = lp->handle; 495 ifc->portid = lp->portid; 496 ifc->node_wwn = lp->node_wwn; 497 ifc->port_wwn = lp->port_wwn; 498 retval = 0; 499 } else { 500 retval = ENODEV; 501 } 502 break; 503 } 504 case ISP_FC_GETHINFO: 505 { 506 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 507 int chan = hba->fc_channel; 508 509 if (chan < 0 || chan >= isp->isp_nchan) { 510 retval = ENXIO; 511 break; 512 } 513 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 514 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 515 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 516 hba->fc_nchannels = isp->isp_nchan; 517 if (IS_FC(isp)) { 518 hba->fc_nports = MAX_FC_TARG; 519 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 520 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 521 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 522 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 523 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 524 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 525 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 526 } else { 527 hba->fc_nports = MAX_TARGETS; 528 hba->fc_speed = 0; 529 hba->fc_topology = 0; 530 hba->nvram_node_wwn = 0ull; 531 hba->nvram_port_wwn = 0ull; 532 hba->active_node_wwn = 0ull; 533 hba->active_port_wwn = 0ull; 534 } 535 retval = 0; 536 break; 537 } 538 case ISP_TSK_MGMT: 539 { 540 int needmarker; 541 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 542 uint16_t nphdl; 543 mbreg_t mbs; 544 545 if (IS_SCSI(isp)) { 546 break; 547 } 548 549 chan = fct->chan; 550 if (chan < 0 || chan >= isp->isp_nchan) { 551 retval = -ENXIO; 552 break; 553 } 554 555 needmarker = retval = 0; 556 nphdl = fct->loopid; 557 ISP_LOCK(isp); 558 if (IS_24XX(isp)) { 559 void *reqp; 560 uint8_t resp[QENTRY_LEN]; 561 isp24xx_tmf_t tmf; 562 isp24xx_statusreq_t sp; 563 fcparam *fcp = FCPARAM(isp, chan); 564 fcportdb_t *lp; 565 int i; 566 567 for (i = 0; i < MAX_FC_TARG; i++) { 568 lp = &fcp->portdb[i]; 569 if (lp->handle == nphdl) { 570 break; 571 } 572 } 573 if (i == MAX_FC_TARG) { 574 retval = ENXIO; 575 ISP_UNLOCK(isp); 576 break; 577 } 578 ISP_MEMZERO(&tmf, sizeof(tmf)); 579 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 580 tmf.tmf_header.rqs_entry_count = 1; 581 tmf.tmf_nphdl = lp->handle; 582 tmf.tmf_delay = 2; 583 tmf.tmf_timeout = 4; 584 tmf.tmf_tidlo = lp->portid; 585 tmf.tmf_tidhi = lp->portid >> 16; 586 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 587 tmf.tmf_lun[1] = fct->lun & 0xff; 588 if (fct->lun >= 256) { 589 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 590 } 591 switch (fct->action) { 592 case IPT_CLEAR_ACA: 593 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 594 break; 595 case IPT_TARGET_RESET: 596 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 597 needmarker = 1; 598 break; 599 case IPT_LUN_RESET: 600 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 601 needmarker = 1; 602 break; 603 case IPT_CLEAR_TASK_SET: 604 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 605 needmarker = 1; 606 break; 607 case IPT_ABORT_TASK_SET: 608 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 609 needmarker = 1; 610 break; 611 default: 612 retval = EINVAL; 613 break; 614 } 615 if (retval) { 616 ISP_UNLOCK(isp); 617 break; 618 } 619 620 /* Prepare space for response in memory */ 621 memset(resp, 0xff, sizeof(resp)); 622 tmf.tmf_handle = isp_allocate_handle(isp, resp, 623 ISP_HANDLE_CTRL); 624 if (tmf.tmf_handle == 0) { 625 isp_prt(isp, ISP_LOGERR, 626 "%s: TMF of Chan %d out of handles", 627 __func__, chan); 628 ISP_UNLOCK(isp); 629 retval = ENOMEM; 630 break; 631 } 632 633 /* Send request and wait for response. */ 634 reqp = isp_getrqentry(isp); 635 if (reqp == NULL) { 636 isp_prt(isp, ISP_LOGERR, 637 "%s: TMF of Chan %d out of rqent", 638 __func__, chan); 639 isp_destroy_handle(isp, tmf.tmf_handle); 640 ISP_UNLOCK(isp); 641 retval = EIO; 642 break; 643 } 644 isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp); 645 if (isp->isp_dblev & ISP_LOGDEBUG1) 646 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp); 647 ISP_SYNC_REQUEST(isp); 648 if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) { 649 isp_prt(isp, ISP_LOGERR, 650 "%s: TMF of Chan %d timed out", 651 __func__, chan); 652 isp_destroy_handle(isp, tmf.tmf_handle); 653 ISP_UNLOCK(isp); 654 retval = EIO; 655 break; 656 } 657 if (isp->isp_dblev & ISP_LOGDEBUG1) 658 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp); 659 isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp); 660 661 if (sp.req_completion_status != 0) 662 retval = EIO; 663 else if (needmarker) 664 fcp->sendmarker = 1; 665 } else { 666 MBSINIT(&mbs, 0, MBLOGALL, 0); 667 if (ISP_CAP_2KLOGIN(isp) == 0) { 668 nphdl <<= 8; 669 } 670 switch (fct->action) { 671 case IPT_CLEAR_ACA: 672 mbs.param[0] = MBOX_CLEAR_ACA; 673 mbs.param[1] = nphdl; 674 mbs.param[2] = fct->lun; 675 break; 676 case IPT_TARGET_RESET: 677 mbs.param[0] = MBOX_TARGET_RESET; 678 mbs.param[1] = nphdl; 679 needmarker = 1; 680 break; 681 case IPT_LUN_RESET: 682 mbs.param[0] = MBOX_LUN_RESET; 683 mbs.param[1] = nphdl; 684 mbs.param[2] = fct->lun; 685 needmarker = 1; 686 break; 687 case IPT_CLEAR_TASK_SET: 688 mbs.param[0] = MBOX_CLEAR_TASK_SET; 689 mbs.param[1] = nphdl; 690 mbs.param[2] = fct->lun; 691 needmarker = 1; 692 break; 693 case IPT_ABORT_TASK_SET: 694 mbs.param[0] = MBOX_ABORT_TASK_SET; 695 mbs.param[1] = nphdl; 696 mbs.param[2] = fct->lun; 697 needmarker = 1; 698 break; 699 default: 700 retval = EINVAL; 701 break; 702 } 703 if (retval == 0) { 704 if (needmarker) { 705 FCPARAM(isp, chan)->sendmarker = 1; 706 } 707 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 708 if (retval) { 709 retval = EIO; 710 } 711 } 712 } 713 ISP_UNLOCK(isp); 714 break; 715 } 716 default: 717 break; 718 } 719 return (retval); 720 } 721 722 /* 723 * Local Inlines 724 */ 725 726 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 727 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 728 729 static ISP_INLINE int 730 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 731 { 732 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 733 if (ISP_PCMD(ccb) == NULL) { 734 return (-1); 735 } 736 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 737 return (0); 738 } 739 740 static ISP_INLINE void 741 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 742 { 743 if (ISP_PCMD(ccb)) { 744 #ifdef ISP_TARGET_MODE 745 PISP_PCMD(ccb)->datalen = 0; 746 #endif 747 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 748 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 749 ISP_PCMD(ccb) = NULL; 750 } 751 } 752 753 /* 754 * Put the target mode functions here, because some are inlines 755 */ 756 #ifdef ISP_TARGET_MODE 757 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 758 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 759 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 760 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 761 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 762 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 763 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 764 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 765 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 766 static void isp_enable_lun(ispsoftc_t *, union ccb *); 767 static void isp_disable_lun(ispsoftc_t *, union ccb *); 768 static callout_func_t isp_refire_putback_atio; 769 static callout_func_t isp_refire_notify_ack; 770 static void isp_complete_ctio(union ccb *); 771 static void isp_target_putback_atio(union ccb *); 772 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 773 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 774 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 775 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 776 static void isp_handle_platform_ctio(ispsoftc_t *, void *); 777 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 778 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 779 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 780 781 static ISP_INLINE tstate_t * 782 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 783 { 784 tstate_t *tptr = NULL; 785 struct tslist *lhp; 786 787 if (bus < isp->isp_nchan) { 788 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 789 SLIST_FOREACH(tptr, lhp, next) { 790 if (tptr->ts_lun == lun) 791 return (tptr); 792 } 793 } 794 return (NULL); 795 } 796 797 static int 798 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 799 { 800 inot_private_data_t *ntp; 801 struct ntpdlist rq; 802 803 if (STAILQ_EMPTY(&tptr->restart_queue)) 804 return (0); 805 STAILQ_INIT(&rq); 806 STAILQ_CONCAT(&rq, &tptr->restart_queue); 807 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 808 STAILQ_REMOVE_HEAD(&rq, next); 809 if (IS_24XX(isp)) { 810 isp_prt(isp, ISP_LOGTDEBUG0, 811 "%s: restarting resrc deprived %x", __func__, 812 ((at7_entry_t *)ntp->data)->at_rxid); 813 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 814 } else { 815 isp_prt(isp, ISP_LOGTDEBUG0, 816 "%s: restarting resrc deprived %x", __func__, 817 ((at2_entry_t *)ntp->data)->at_rxid); 818 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data); 819 } 820 isp_put_ntpd(isp, bus, ntp); 821 if (!STAILQ_EMPTY(&tptr->restart_queue)) 822 break; 823 } 824 if (!STAILQ_EMPTY(&rq)) { 825 STAILQ_CONCAT(&rq, &tptr->restart_queue); 826 STAILQ_CONCAT(&tptr->restart_queue, &rq); 827 } 828 return (!STAILQ_EMPTY(&tptr->restart_queue)); 829 } 830 831 static void 832 isp_tmcmd_restart(ispsoftc_t *isp) 833 { 834 tstate_t *tptr; 835 union ccb *ccb; 836 struct tslist *lhp; 837 struct isp_ccbq *waitq; 838 int bus, i; 839 840 for (bus = 0; bus < isp->isp_nchan; bus++) { 841 for (i = 0; i < LUN_HASH_SIZE; i++) { 842 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 843 SLIST_FOREACH(tptr, lhp, next) 844 isp_atio_restart(isp, bus, tptr); 845 } 846 847 /* 848 * We only need to do this once per channel. 849 */ 850 ISP_GET_PC_ADDR(isp, bus, waitq, waitq); 851 ccb = (union ccb *)TAILQ_FIRST(waitq); 852 if (ccb != NULL) { 853 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 854 isp_target_start_ctio(isp, ccb, FROM_TIMER); 855 } 856 } 857 } 858 859 static atio_private_data_t * 860 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 861 { 862 struct atpdlist *atfree; 863 struct atpdlist *atused; 864 atio_private_data_t *atp; 865 866 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 867 atp = LIST_FIRST(atfree); 868 if (atp) { 869 LIST_REMOVE(atp, next); 870 atp->tag = tag; 871 ISP_GET_PC(isp, chan, atused, atused); 872 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next); 873 } 874 return (atp); 875 } 876 877 static atio_private_data_t * 878 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 879 { 880 struct atpdlist *atused; 881 atio_private_data_t *atp; 882 883 ISP_GET_PC(isp, chan, atused, atused); 884 LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) { 885 if (atp->tag == tag) 886 return (atp); 887 } 888 return (NULL); 889 } 890 891 static void 892 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 893 { 894 struct atpdlist *atfree; 895 896 if (atp->ests) { 897 isp_put_ecmd(isp, atp->ests); 898 } 899 LIST_REMOVE(atp, next); 900 memset(atp, 0, sizeof (*atp)); 901 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 902 LIST_INSERT_HEAD(atfree, atp, next); 903 } 904 905 static void 906 isp_dump_atpd(ispsoftc_t *isp, int chan) 907 { 908 atio_private_data_t *atp, *atpool; 909 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 910 911 ISP_GET_PC(isp, chan, atpool, atpool); 912 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 913 if (atp->state == ATPD_STATE_FREE) 914 continue; 915 isp_prt(isp, ISP_LOGALL, "Chan %d ATP [0x%x] origdlen %u bytes_xfrd %u lun %jx nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s", 916 chan, atp->tag, atp->orig_datalen, atp->bytes_xfered, (uintmax_t)atp->lun, atp->nphdl, atp->sid, atp->did, atp->oxid, states[atp->state & 0x7]); 917 } 918 } 919 920 static inot_private_data_t * 921 isp_get_ntpd(ispsoftc_t *isp, int chan) 922 { 923 struct ntpdlist *ntfree; 924 inot_private_data_t *ntp; 925 926 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 927 ntp = STAILQ_FIRST(ntfree); 928 if (ntp) 929 STAILQ_REMOVE_HEAD(ntfree, next); 930 return (ntp); 931 } 932 933 static inot_private_data_t * 934 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 935 { 936 inot_private_data_t *ntp, *ntp2; 937 938 ISP_GET_PC(isp, chan, ntpool, ntp); 939 ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2); 940 for (; ntp < ntp2; ntp++) { 941 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 942 return (ntp); 943 } 944 return (NULL); 945 } 946 947 static void 948 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 949 { 950 struct ntpdlist *ntfree; 951 952 ntp->tag_id = ntp->seq_id = 0; 953 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 954 STAILQ_INSERT_HEAD(ntfree, ntp, next); 955 } 956 957 static cam_status 958 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 959 { 960 lun_id_t lun; 961 struct tslist *lhp; 962 tstate_t *tptr; 963 964 lun = xpt_path_lun_id(path); 965 if (lun != CAM_LUN_WILDCARD) { 966 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) { 967 return (CAM_LUN_INVALID); 968 } 969 } 970 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 971 if (tptr == NULL) { 972 return (CAM_RESRC_UNAVAIL); 973 } 974 tptr->ts_lun = lun; 975 SLIST_INIT(&tptr->atios); 976 SLIST_INIT(&tptr->inots); 977 STAILQ_INIT(&tptr->restart_queue); 978 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 979 SLIST_INSERT_HEAD(lhp, tptr, next); 980 *rslt = tptr; 981 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 982 return (CAM_REQ_CMP); 983 } 984 985 static void 986 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 987 { 988 union ccb *ccb; 989 struct tslist *lhp; 990 inot_private_data_t *ntp; 991 992 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 993 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 994 ccb->ccb_h.status = CAM_REQ_ABORTED; 995 xpt_done(ccb); 996 }; 997 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 998 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 999 ccb->ccb_h.status = CAM_REQ_ABORTED; 1000 xpt_done(ccb); 1001 } 1002 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 1003 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 1004 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 1005 isp_put_ntpd(isp, bus, ntp); 1006 } 1007 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 1008 SLIST_REMOVE(lhp, tptr, tstate, next); 1009 free(tptr, M_DEVBUF); 1010 } 1011 1012 static void 1013 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1014 { 1015 tstate_t *tptr; 1016 int bus; 1017 target_id_t target; 1018 lun_id_t lun; 1019 1020 if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) { 1021 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n"); 1022 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1023 xpt_done(ccb); 1024 return; 1025 } 1026 1027 /* 1028 * We only support either target and lun both wildcard 1029 * or target and lun both non-wildcard. 1030 */ 1031 bus = XS_CHANNEL(ccb); 1032 target = ccb->ccb_h.target_id; 1033 lun = ccb->ccb_h.target_lun; 1034 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1035 "enabling lun %jx\n", (uintmax_t)lun); 1036 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1037 ccb->ccb_h.status = CAM_LUN_INVALID; 1038 xpt_done(ccb); 1039 return; 1040 } 1041 1042 /* Create the state pointer. It should not already exist. */ 1043 tptr = get_lun_statep(isp, bus, lun); 1044 if (tptr) { 1045 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1046 xpt_done(ccb); 1047 return; 1048 } 1049 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1050 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1051 xpt_done(ccb); 1052 return; 1053 } 1054 1055 ccb->ccb_h.status = CAM_REQ_CMP; 1056 xpt_done(ccb); 1057 } 1058 1059 static void 1060 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1061 { 1062 tstate_t *tptr = NULL; 1063 int bus; 1064 target_id_t target; 1065 lun_id_t lun; 1066 1067 bus = XS_CHANNEL(ccb); 1068 target = ccb->ccb_h.target_id; 1069 lun = ccb->ccb_h.target_lun; 1070 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1071 "disabling lun %jx\n", (uintmax_t)lun); 1072 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1073 ccb->ccb_h.status = CAM_LUN_INVALID; 1074 xpt_done(ccb); 1075 return; 1076 } 1077 1078 /* Find the state pointer. */ 1079 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1080 ccb->ccb_h.status = CAM_PATH_INVALID; 1081 xpt_done(ccb); 1082 return; 1083 } 1084 1085 destroy_lun_state(isp, bus, tptr); 1086 ccb->ccb_h.status = CAM_REQ_CMP; 1087 xpt_done(ccb); 1088 } 1089 1090 static void 1091 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1092 { 1093 int fctape, sendstatus, resid; 1094 fcparam *fcp; 1095 atio_private_data_t *atp; 1096 struct ccb_scsiio *cso; 1097 struct isp_ccbq *waitq; 1098 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1099 uint8_t local[QENTRY_LEN]; 1100 1101 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ENTRY[0x%x] how %u xfrlen %u sendstatus %d sense_len %u", __func__, ccb->csio.tag_id, how, ccb->csio.dxfer_len, 1102 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1103 1104 ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq); 1105 switch (how) { 1106 case FROM_CAM: 1107 /* 1108 * Insert at the tail of the list, if any, waiting CTIO CCBs 1109 */ 1110 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 1111 break; 1112 case FROM_TIMER: 1113 case FROM_SRR: 1114 case FROM_CTIO_DONE: 1115 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1116 break; 1117 } 1118 1119 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 1120 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 1121 1122 cso = &ccb->csio; 1123 xfrlen = cso->dxfer_len; 1124 if (xfrlen == 0) { 1125 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1126 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1127 ccb->ccb_h.status = CAM_REQ_INVALID; 1128 xpt_done(ccb); 1129 continue; 1130 } 1131 } 1132 1133 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 1134 if (atp == NULL) { 1135 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1136 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 1137 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1138 xpt_done(ccb); 1139 continue; 1140 } 1141 1142 /* 1143 * Is this command a dead duck? 1144 */ 1145 if (atp->dead) { 1146 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1147 ccb->ccb_h.status = CAM_REQ_ABORTED; 1148 xpt_done(ccb); 1149 continue; 1150 } 1151 1152 /* 1153 * Check to make sure we're still in target mode. 1154 */ 1155 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1156 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1157 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1158 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1159 xpt_done(ccb); 1160 continue; 1161 } 1162 1163 /* 1164 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1165 * could be split into two CTIOs to split data and status). 1166 */ 1167 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1168 isp_prt(isp, ISP_LOGTINFO, "[0x%x] handling only %d CCBs at a time (flags for this ccb: 0x%x)", cso->tag_id, ATPD_CCB_OUTSTANDING, ccb->ccb_h.flags); 1169 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1170 break; 1171 } 1172 1173 /* 1174 * Does the initiator expect FC-Tape style responses? 1175 */ 1176 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1177 fctape = 1; 1178 } else { 1179 fctape = 0; 1180 } 1181 1182 /* 1183 * If we already did the data xfer portion of a CTIO that sends data 1184 * and status, don't do it again and do the status portion now. 1185 */ 1186 if (atp->sendst) { 1187 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1188 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1189 xfrlen = 0; /* we already did the data transfer */ 1190 atp->sendst = 0; 1191 } 1192 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1193 sendstatus = 1; 1194 } else { 1195 sendstatus = 0; 1196 } 1197 1198 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1199 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1200 /* 1201 * Sense length is not the entire sense data structure size. Periph 1202 * drivers don't seem to be setting sense_len to reflect the actual 1203 * size. We'll peek inside to get the right amount. 1204 */ 1205 sense_length = cso->sense_len; 1206 1207 /* 1208 * This 'cannot' happen 1209 */ 1210 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1211 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1212 } 1213 } else { 1214 sense_length = 0; 1215 } 1216 1217 memset(local, 0, QENTRY_LEN); 1218 1219 /* 1220 * Check for overflow 1221 */ 1222 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1223 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1224 isp_prt(isp, ISP_LOGERR, 1225 "%s: [0x%x] data overflow by %u bytes", __func__, 1226 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1227 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1228 xpt_done(ccb); 1229 continue; 1230 } 1231 if (xfrlen > atp->orig_datalen - tmp) { 1232 xfrlen = atp->orig_datalen - tmp; 1233 if (xfrlen == 0 && !sendstatus) { 1234 cso->resid = cso->dxfer_len; 1235 ccb->ccb_h.status = CAM_REQ_CMP; 1236 xpt_done(ccb); 1237 continue; 1238 } 1239 } 1240 1241 if (IS_24XX(isp)) { 1242 ct7_entry_t *cto = (ct7_entry_t *) local; 1243 1244 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1245 cto->ct_header.rqs_entry_count = 1; 1246 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1247 ATPD_SET_SEQNO(cto, atp); 1248 cto->ct_nphdl = atp->nphdl; 1249 cto->ct_rxid = atp->tag; 1250 cto->ct_iid_lo = atp->sid; 1251 cto->ct_iid_hi = atp->sid >> 16; 1252 cto->ct_oxid = atp->oxid; 1253 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1254 cto->ct_timeout = XS_TIME(ccb); 1255 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1256 1257 /* 1258 * Mode 1, status, no data. Only possible when we are sending status, have 1259 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1260 * 1261 * Mode 2, status, no data. We have to use this in the case that 1262 * the sense data won't fit into a ct7_entry_t. 1263 * 1264 */ 1265 if (sendstatus && xfrlen == 0) { 1266 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1267 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1268 if (sense_length <= MAXRESPLEN_24XX) { 1269 cto->ct_flags |= CT7_FLAG_MODE1; 1270 cto->ct_scsi_status = cso->scsi_status; 1271 if (resid < 0) { 1272 cto->ct_resid = -resid; 1273 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1274 } else if (resid > 0) { 1275 cto->ct_resid = resid; 1276 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1277 } 1278 if (fctape) { 1279 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1280 } 1281 if (sense_length) { 1282 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1283 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1284 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1285 } 1286 } else { 1287 bus_addr_t addr; 1288 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(&rp, 0, sizeof(rp)); 1298 if (fctape) { 1299 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1300 rp.fcp_rsp_bits |= FCP_CONF_REQ; 1301 } 1302 cto->ct_flags |= CT7_FLAG_MODE2; 1303 rp.fcp_rsp_scsi_status = cso->scsi_status; 1304 if (resid < 0) { 1305 rp.fcp_rsp_resid = -resid; 1306 rp.fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1307 } else if (resid > 0) { 1308 rp.fcp_rsp_resid = resid; 1309 rp.fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1310 } 1311 if (sense_length) { 1312 rp.fcp_rsp_snslen = sense_length; 1313 cto->ct_senselen = sense_length; 1314 rp.fcp_rsp_bits |= FCP_SNSLEN_VALID; 1315 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1316 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1317 } else { 1318 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1319 } 1320 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1321 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1322 } 1323 addr = isp->isp_osinfo.ecmd_dma; 1324 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1325 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, 1326 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1327 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1328 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1329 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1330 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1331 } 1332 if (sense_length) { 1333 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__, 1334 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, 1335 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1336 } else { 1337 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1338 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1339 } 1340 atp->state = ATPD_STATE_LAST_CTIO; 1341 } 1342 1343 /* 1344 * Mode 0 data transfers, *possibly* with status. 1345 */ 1346 if (xfrlen != 0) { 1347 cto->ct_flags |= CT7_FLAG_MODE0; 1348 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1349 cto->ct_flags |= CT7_DATA_IN; 1350 } else { 1351 cto->ct_flags |= CT7_DATA_OUT; 1352 } 1353 1354 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1355 cto->rsp.m0.ct_xfrlen = xfrlen; 1356 1357 #ifdef DEBUG 1358 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1359 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1360 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1361 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1362 } 1363 #endif 1364 if (sendstatus) { 1365 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1366 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1367 cto->ct_flags |= CT7_SENDSTATUS; 1368 atp->state = ATPD_STATE_LAST_CTIO; 1369 if (fctape) { 1370 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1371 } 1372 } else { 1373 atp->sendst = 1; /* send status later */ 1374 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1375 atp->state = ATPD_STATE_CTIO; 1376 } 1377 } else { 1378 atp->state = ATPD_STATE_CTIO; 1379 } 1380 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__, 1381 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1382 } 1383 } else { 1384 ct2_entry_t *cto = (ct2_entry_t *) local; 1385 1386 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1387 cto->ct_header.rqs_entry_count = 1; 1388 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1389 ATPD_SET_SEQNO(cto, atp); 1390 if (ISP_CAP_2KLOGIN(isp)) { 1391 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl; 1392 } else { 1393 cto->ct_iid = atp->nphdl; 1394 if (ISP_CAP_SCCFW(isp) == 0) { 1395 cto->ct_lun = ccb->ccb_h.target_lun; 1396 } 1397 } 1398 cto->ct_timeout = XS_TIME(ccb); 1399 cto->ct_rxid = cso->tag_id; 1400 1401 /* 1402 * Mode 1, status, no data. Only possible when we are sending status, have 1403 * no data to transfer, and the sense length can fit in the ct7_entry. 1404 * 1405 * Mode 2, status, no data. We have to use this in the case the response 1406 * length won't fit into a ct2_entry_t. 1407 * 1408 * We'll fill out this structure with information as if this were a 1409 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1410 * needed based upon this. 1411 */ 1412 if (sendstatus && xfrlen == 0) { 1413 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1414 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1415 if (sense_length <= MAXRESPLEN) { 1416 if (resid < 0) { 1417 cto->ct_resid = -resid; 1418 } else if (resid > 0) { 1419 cto->ct_resid = resid; 1420 } 1421 cto->ct_flags |= CT2_FLAG_MODE1; 1422 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1423 if (resid < 0) { 1424 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1425 } else if (resid > 0) { 1426 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1427 } 1428 if (fctape) { 1429 cto->ct_flags |= CT2_CONFIRM; 1430 } 1431 if (sense_length) { 1432 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1433 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1434 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1435 } 1436 } else { 1437 bus_addr_t addr; 1438 fcp_rsp_iu_t rp; 1439 1440 if (atp->ests == NULL) { 1441 atp->ests = isp_get_ecmd(isp); 1442 if (atp->ests == NULL) { 1443 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1444 break; 1445 } 1446 } 1447 memset(&rp, 0, sizeof(rp)); 1448 if (fctape) { 1449 cto->ct_flags |= CT2_CONFIRM; 1450 rp.fcp_rsp_bits |= FCP_CONF_REQ; 1451 } 1452 cto->ct_flags |= CT2_FLAG_MODE2; 1453 rp.fcp_rsp_scsi_status = cso->scsi_status; 1454 if (resid < 0) { 1455 rp.fcp_rsp_resid = -resid; 1456 rp.fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1457 } else if (resid > 0) { 1458 rp.fcp_rsp_resid = resid; 1459 rp.fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1460 } 1461 if (sense_length) { 1462 rp.fcp_rsp_snslen = sense_length; 1463 rp.fcp_rsp_bits |= FCP_SNSLEN_VALID; 1464 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1465 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1466 } else { 1467 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1468 } 1469 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1470 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1471 } 1472 addr = isp->isp_osinfo.ecmd_dma; 1473 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1474 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, 1475 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1476 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1477 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 1478 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1479 } 1480 if (sense_length) { 1481 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__, 1482 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, 1483 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1484 } else { 1485 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, 1486 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid); 1487 } 1488 atp->state = ATPD_STATE_LAST_CTIO; 1489 } 1490 1491 if (xfrlen != 0) { 1492 cto->ct_flags |= CT2_FLAG_MODE0; 1493 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1494 cto->ct_flags |= CT2_DATA_IN; 1495 } else { 1496 cto->ct_flags |= CT2_DATA_OUT; 1497 } 1498 1499 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit; 1500 cto->rsp.m0.ct_xfrlen = xfrlen; 1501 1502 if (sendstatus) { 1503 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1504 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) { 1505 cto->ct_flags |= CT2_SENDSTATUS; 1506 atp->state = ATPD_STATE_LAST_CTIO; 1507 if (fctape) { 1508 cto->ct_flags |= CT2_CONFIRM; 1509 } 1510 } else { 1511 atp->sendst = 1; /* send status later */ 1512 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1513 atp->state = ATPD_STATE_CTIO; 1514 } 1515 } else { 1516 atp->state = ATPD_STATE_CTIO; 1517 } 1518 } 1519 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, 1520 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); 1521 } 1522 1523 if (isp_get_pcmd(isp, ccb)) { 1524 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1525 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1526 break; 1527 } 1528 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1529 if (handle == 0) { 1530 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1531 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1532 isp_free_pcmd(isp, ccb); 1533 break; 1534 } 1535 atp->bytes_in_transit += xfrlen; 1536 PISP_PCMD(ccb)->datalen = xfrlen; 1537 1538 1539 /* 1540 * Call the dma setup routines for this entry (and any subsequent 1541 * CTIOs) if there's data to move, and then tell the f/w it's got 1542 * new things to play with. As with isp_start's usage of DMA setup, 1543 * any swizzling is done in the machine dependent layer. Because 1544 * of this, we put the request onto the queue area first in native 1545 * format. 1546 */ 1547 1548 if (IS_24XX(isp)) { 1549 ct7_entry_t *cto = (ct7_entry_t *) local; 1550 cto->ct_syshandle = handle; 1551 } else { 1552 ct2_entry_t *cto = (ct2_entry_t *) local; 1553 cto->ct_syshandle = handle; 1554 } 1555 1556 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local); 1557 if (dmaresult != CMD_QUEUED) { 1558 isp_destroy_handle(isp, handle); 1559 isp_free_pcmd(isp, ccb); 1560 if (dmaresult == CMD_EAGAIN) { 1561 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1562 break; 1563 } 1564 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1565 xpt_done(ccb); 1566 continue; 1567 } 1568 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1569 if (xfrlen) { 1570 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1571 } else { 1572 ccb->ccb_h.spriv_field0 = ~0; 1573 } 1574 atp->ctcnt++; 1575 atp->seqno++; 1576 } 1577 } 1578 1579 static void 1580 isp_refire_putback_atio(void *arg) 1581 { 1582 union ccb *ccb = arg; 1583 1584 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb)); 1585 isp_target_putback_atio(ccb); 1586 } 1587 1588 static void 1589 isp_refire_notify_ack(void *arg) 1590 { 1591 isp_tna_t *tp = arg; 1592 ispsoftc_t *isp = tp->isp; 1593 1594 ISP_ASSERT_LOCKED(isp); 1595 if (isp_notify_ack(isp, tp->not)) { 1596 callout_schedule(&tp->timer, 5); 1597 } else { 1598 free(tp, M_DEVBUF); 1599 } 1600 } 1601 1602 1603 static void 1604 isp_target_putback_atio(union ccb *ccb) 1605 { 1606 ispsoftc_t *isp = XS_ISP(ccb); 1607 struct ccb_scsiio *cso = &ccb->csio; 1608 at2_entry_t local, *at = &local; 1609 1610 ISP_MEMZERO(at, sizeof (at2_entry_t)); 1611 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 1612 at->at_header.rqs_entry_count = 1; 1613 if (ISP_CAP_SCCFW(isp)) { 1614 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 1615 } else { 1616 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 1617 } 1618 at->at_status = CT_OK; 1619 at->at_rxid = cso->tag_id; 1620 at->at_iid = cso->init_id; 1621 if (isp_target_put_entry(isp, at)) { 1622 callout_reset(&PISP_PCMD(ccb)->wdog, 10, 1623 isp_refire_putback_atio, ccb); 1624 } else 1625 isp_complete_ctio(ccb); 1626 } 1627 1628 static void 1629 isp_complete_ctio(union ccb *ccb) 1630 { 1631 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1632 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1633 xpt_done(ccb); 1634 } 1635 } 1636 1637 static void 1638 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep) 1639 { 1640 fcparam *fcp; 1641 lun_id_t lun; 1642 fcportdb_t *lp; 1643 tstate_t *tptr; 1644 struct ccb_accept_tio *atiop; 1645 uint16_t nphdl; 1646 atio_private_data_t *atp; 1647 inot_private_data_t *ntp; 1648 1649 /* 1650 * The firmware status (except for the QLTM_SVALID bit) 1651 * indicates why this ATIO was sent to us. 1652 * 1653 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 1654 */ 1655 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 1656 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status); 1657 isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0); 1658 return; 1659 } 1660 1661 fcp = FCPARAM(isp, 0); 1662 if (ISP_CAP_SCCFW(isp)) { 1663 lun = aep->at_scclun; 1664 } else { 1665 lun = aep->at_lun; 1666 } 1667 if (ISP_CAP_2KLOGIN(isp)) { 1668 nphdl = ((at2e_entry_t *)aep)->at_iid; 1669 } else { 1670 nphdl = aep->at_iid; 1671 } 1672 tptr = get_lun_statep(isp, 0, lun); 1673 if (tptr == NULL) { 1674 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 1675 if (tptr == NULL) { 1676 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun); 1677 if (lun == 0) { 1678 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1679 } else { 1680 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1681 } 1682 return; 1683 } 1684 } 1685 1686 /* 1687 * Start any commands pending resources first. 1688 */ 1689 if (isp_atio_restart(isp, 0, tptr)) 1690 goto noresrc; 1691 1692 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1693 if (atiop == NULL) { 1694 goto noresrc; 1695 } 1696 1697 atp = isp_get_atpd(isp, 0, aep->at_rxid); 1698 if (atp == NULL) { 1699 goto noresrc; 1700 } 1701 1702 atp->state = ATPD_STATE_ATIO; 1703 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1704 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1705 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1706 atiop->ccb_h.target_lun = lun; 1707 1708 /* 1709 * We don't get 'suggested' sense data as we do with SCSI cards. 1710 */ 1711 atiop->sense_len = 0; 1712 1713 /* 1714 * If we're not in the port database, add ourselves. 1715 */ 1716 if (IS_2100(isp)) 1717 atiop->init_id = nphdl; 1718 else { 1719 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) { 1720 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp); 1721 } else { 1722 isp_prt(isp, ISP_LOGTINFO, "%s: port %x isn't in PDB", 1723 __func__, nphdl); 1724 isp_dump_portdb(isp, 0); 1725 isp_endcmd(isp, aep, NIL_HANDLE, 0, ECMD_TERMINATE, 0); 1726 return; 1727 } 1728 } 1729 atiop->cdb_len = ATIO2_CDBLEN; 1730 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 1731 atiop->ccb_h.status = CAM_CDB_RECVD; 1732 atiop->tag_id = atp->tag; 1733 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 1734 case ATIO2_TC_ATTR_SIMPLEQ: 1735 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1736 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1737 break; 1738 case ATIO2_TC_ATTR_HEADOFQ: 1739 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1740 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1741 break; 1742 case ATIO2_TC_ATTR_ORDERED: 1743 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1744 atiop->tag_action = MSG_ORDERED_Q_TAG; 1745 break; 1746 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 1747 case ATIO2_TC_ATTR_UNTAGGED: 1748 default: 1749 atiop->tag_action = 0; 1750 break; 1751 } 1752 1753 atp->orig_datalen = aep->at_datalen; 1754 atp->bytes_xfered = 0; 1755 atp->lun = lun; 1756 atp->nphdl = nphdl; 1757 atp->sid = PORT_ANY; 1758 atp->oxid = aep->at_oxid; 1759 atp->cdb0 = aep->at_cdb[0]; 1760 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 1761 atp->state = ATPD_STATE_CAM; 1762 xpt_done((union ccb *)atiop); 1763 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); 1764 return; 1765 noresrc: 1766 ntp = isp_get_ntpd(isp, 0); 1767 if (ntp == NULL) { 1768 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1769 return; 1770 } 1771 memcpy(ntp->data, aep, QENTRY_LEN); 1772 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1773 } 1774 1775 static void 1776 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1777 { 1778 int cdbxlen; 1779 lun_id_t lun; 1780 uint16_t chan, nphdl = NIL_HANDLE; 1781 uint32_t did, sid; 1782 fcportdb_t *lp; 1783 tstate_t *tptr; 1784 struct ccb_accept_tio *atiop; 1785 atio_private_data_t *atp = NULL; 1786 atio_private_data_t *oatp; 1787 inot_private_data_t *ntp; 1788 1789 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1790 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1791 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1792 1793 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1794 /* Channel has to be derived from D_ID */ 1795 isp_find_chan_by_did(isp, did, &chan); 1796 if (chan == ISP_NOCHAN) { 1797 isp_prt(isp, ISP_LOGWARN, 1798 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1799 __func__, aep->at_rxid, did); 1800 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1801 ECMD_TERMINATE, 0); 1802 return; 1803 } 1804 } else { 1805 chan = 0; 1806 } 1807 1808 /* 1809 * Find the PDB entry for this initiator 1810 */ 1811 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1812 /* 1813 * If we're not in the port database terminate the exchange. 1814 */ 1815 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", 1816 __func__, aep->at_rxid, did, chan, sid); 1817 isp_dump_portdb(isp, chan); 1818 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1819 return; 1820 } 1821 nphdl = lp->handle; 1822 1823 /* 1824 * Get the tstate pointer 1825 */ 1826 tptr = get_lun_statep(isp, chan, lun); 1827 if (tptr == NULL) { 1828 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1829 if (tptr == NULL) { 1830 isp_prt(isp, ISP_LOGWARN, 1831 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1832 __func__, aep->at_rxid, (uintmax_t)lun); 1833 if (lun == 0) { 1834 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1835 } else { 1836 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1837 } 1838 return; 1839 } 1840 } 1841 1842 /* 1843 * Start any commands pending resources first. 1844 */ 1845 if (isp_atio_restart(isp, chan, tptr)) 1846 goto noresrc; 1847 1848 /* 1849 * If the f/w is out of resources, just send a BUSY status back. 1850 */ 1851 if (aep->at_rxid == AT7_NORESRC_RXID) { 1852 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1853 return; 1854 } 1855 1856 /* 1857 * If we're out of resources, just send a BUSY status back. 1858 */ 1859 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1860 if (atiop == NULL) { 1861 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1862 goto noresrc; 1863 } 1864 1865 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1866 if (oatp) { 1867 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", 1868 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1869 /* 1870 * It's not a "no resource" condition- but we can treat it like one 1871 */ 1872 goto noresrc; 1873 } 1874 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1875 if (atp == NULL) { 1876 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1877 goto noresrc; 1878 } 1879 atp->word3 = lp->prli_word3; 1880 atp->state = ATPD_STATE_ATIO; 1881 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1882 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1883 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1884 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1885 atiop->ccb_h.target_lun = lun; 1886 atiop->sense_len = 0; 1887 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1888 if (cdbxlen) { 1889 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1890 } 1891 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1892 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1893 atiop->cdb_len = cdbxlen; 1894 atiop->ccb_h.status = CAM_CDB_RECVD; 1895 atiop->tag_id = atp->tag; 1896 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1897 case FCP_CMND_TASK_ATTR_SIMPLE: 1898 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1899 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1900 break; 1901 case FCP_CMND_TASK_ATTR_HEAD: 1902 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1903 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1904 break; 1905 case FCP_CMND_TASK_ATTR_ORDERED: 1906 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1907 atiop->tag_action = MSG_ORDERED_Q_TAG; 1908 break; 1909 default: 1910 /* FALLTHROUGH */ 1911 case FCP_CMND_TASK_ATTR_ACA: 1912 case FCP_CMND_TASK_ATTR_UNTAGGED: 1913 atiop->tag_action = 0; 1914 break; 1915 } 1916 atiop->priority = (aep->at_cmnd.fcp_cmnd_task_attribute & 1917 FCP_CMND_PRIO_MASK) >> FCP_CMND_PRIO_SHIFT; 1918 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1919 atp->bytes_xfered = 0; 1920 atp->lun = lun; 1921 atp->nphdl = nphdl; 1922 atp->sid = sid; 1923 atp->did = did; 1924 atp->oxid = aep->at_hdr.ox_id; 1925 atp->rxid = aep->at_hdr.rx_id; 1926 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1927 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1928 atp->state = ATPD_STATE_CAM; 1929 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1930 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1931 xpt_done((union ccb *)atiop); 1932 return; 1933 noresrc: 1934 if (atp) 1935 isp_put_atpd(isp, chan, atp); 1936 ntp = isp_get_ntpd(isp, chan); 1937 if (ntp == NULL) { 1938 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1939 return; 1940 } 1941 memcpy(ntp->data, aep, QENTRY_LEN); 1942 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1943 } 1944 1945 1946 /* 1947 * Handle starting an SRR (sequence retransmit request) 1948 * We get here when we've gotten the immediate notify 1949 * and the return of all outstanding CTIOs for this 1950 * transaction. 1951 */ 1952 static void 1953 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1954 { 1955 in_fcentry_24xx_t *inot; 1956 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1957 union ccb *ccb; 1958 1959 inot = (in_fcentry_24xx_t *)atp->srr; 1960 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1961 ccb = atp->srr_ccb; 1962 atp->srr_ccb = NULL; 1963 atp->nsrr++; 1964 if (ccb == NULL) { 1965 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1966 goto fail; 1967 } 1968 1969 ccb_off = ccb->ccb_h.spriv_field0; 1970 ccb_len = ccb->csio.dxfer_len; 1971 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1972 1973 switch (inot->in_srr_iu) { 1974 case R_CTL_INFO_SOLICITED_DATA: 1975 /* 1976 * We have to restart a FCP_DATA data out transaction 1977 */ 1978 atp->sendst = 0; 1979 atp->bytes_xfered = srr_off; 1980 if (ccb_len == 0) { 1981 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 1982 goto mdp; 1983 } 1984 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 1985 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); 1986 goto mdp; 1987 } 1988 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); 1989 break; 1990 case R_CTL_INFO_COMMAND_STATUS: 1991 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 1992 atp->sendst = 1; 1993 /* 1994 * We have to restart a FCP_RSP IU transaction 1995 */ 1996 break; 1997 case R_CTL_INFO_DATA_DESCRIPTOR: 1998 /* 1999 * We have to restart an FCP DATA in transaction 2000 */ 2001 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 2002 goto fail; 2003 2004 default: 2005 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 2006 goto fail; 2007 } 2008 2009 /* 2010 * We can't do anything until this is acked, so we might as well start it now. 2011 * We aren't going to do the usual asynchronous ack issue because we need 2012 * to make sure this gets on the wire first. 2013 */ 2014 if (isp_notify_ack(isp, inot)) { 2015 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2016 goto fail; 2017 } 2018 isp_target_start_ctio(isp, ccb, FROM_SRR); 2019 return; 2020 fail: 2021 inot->in_reserved = 1; 2022 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2023 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2024 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2025 isp_complete_ctio(ccb); 2026 return; 2027 mdp: 2028 if (isp_notify_ack(isp, inot)) { 2029 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2030 goto fail; 2031 } 2032 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2033 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2034 /* 2035 * This is not a strict interpretation of MDP, but it's close 2036 */ 2037 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2038 ccb->csio.msg_len = 7; 2039 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2040 ccb->csio.msg_ptr[1] = 5; 2041 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2042 ccb->csio.msg_ptr[3] = srr_off >> 24; 2043 ccb->csio.msg_ptr[4] = srr_off >> 16; 2044 ccb->csio.msg_ptr[5] = srr_off >> 8; 2045 ccb->csio.msg_ptr[6] = srr_off; 2046 isp_complete_ctio(ccb); 2047 } 2048 2049 2050 static void 2051 isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 2052 { 2053 in_fcentry_24xx_t *inot = notify->nt_lreserved; 2054 atio_private_data_t *atp; 2055 uint32_t tag = notify->nt_tagval & 0xffffffff; 2056 2057 atp = isp_find_atpd(isp, notify->nt_channel, tag); 2058 if (atp == NULL) { 2059 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 2060 __func__, tag); 2061 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2062 return; 2063 } 2064 atp->srr_notify_rcvd = 1; 2065 memcpy(atp->srr, inot, sizeof (atp->srr)); 2066 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 2067 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 2068 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 2069 if (atp->srr_ccb) 2070 isp_handle_srr_start(isp, atp); 2071 } 2072 2073 static void 2074 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2075 { 2076 union ccb *ccb; 2077 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 2078 atio_private_data_t *atp = NULL; 2079 int bus; 2080 uint32_t handle, data_requested, resid; 2081 2082 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2083 ccb = isp_find_xs(isp, handle); 2084 if (ccb == NULL) { 2085 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2086 return; 2087 } 2088 isp_destroy_handle(isp, handle); 2089 resid = data_requested = PISP_PCMD(ccb)->datalen; 2090 isp_free_pcmd(isp, ccb); 2091 2092 bus = XS_CHANNEL(ccb); 2093 if (IS_24XX(isp)) { 2094 atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid); 2095 } else { 2096 atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid); 2097 } 2098 if (atp == NULL) { 2099 /* 2100 * XXX: isp_clear_commands() generates fake CTIO with zero 2101 * ct_rxid value, filling only ct_syshandle. Workaround 2102 * that using tag_id from the CCB, pointed by ct_syshandle. 2103 */ 2104 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 2105 } 2106 if (atp == NULL) { 2107 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2108 return; 2109 } 2110 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2111 atp->bytes_in_transit -= data_requested; 2112 atp->ctcnt -= 1; 2113 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2114 2115 if (IS_24XX(isp)) { 2116 ct7_entry_t *ct = arg; 2117 2118 if (ct->ct_nphdl == CT7_SRR) { 2119 atp->srr_ccb = ccb; 2120 if (atp->srr_notify_rcvd) 2121 isp_handle_srr_start(isp, atp); 2122 return; 2123 } 2124 if (ct->ct_nphdl == CT_HBA_RESET) { 2125 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2126 (atp->sendst == 0); 2127 failure = CAM_UNREC_HBA_ERROR; 2128 } else { 2129 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 2130 ok = (ct->ct_nphdl == CT7_OK); 2131 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2132 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 2133 resid = ct->ct_resid; 2134 } 2135 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), 2136 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2137 } else { 2138 ct2_entry_t *ct = arg; 2139 if (ct->ct_status == CT_SRR) { 2140 atp->srr_ccb = ccb; 2141 if (atp->srr_notify_rcvd) 2142 isp_handle_srr_start(isp, atp); 2143 isp_target_putback_atio(ccb); 2144 return; 2145 } 2146 if (ct->ct_status == CT_HBA_RESET) { 2147 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2148 (atp->sendst == 0); 2149 failure = CAM_UNREC_HBA_ERROR; 2150 } else { 2151 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 2152 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 2153 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2154 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) 2155 resid = ct->ct_resid; 2156 } 2157 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), 2158 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2159 } 2160 if (ok) { 2161 if (data_requested > 0) { 2162 atp->bytes_xfered += data_requested - resid; 2163 ccb->csio.resid = ccb->csio.dxfer_len - 2164 (data_requested - resid); 2165 } 2166 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 2167 ccb->ccb_h.status |= CAM_SENT_SENSE; 2168 ccb->ccb_h.status |= CAM_REQ_CMP; 2169 } else { 2170 notify_cam = 1; 2171 if (failure == CAM_UNREC_HBA_ERROR) 2172 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 2173 else 2174 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2175 } 2176 atp->state = ATPD_STATE_PDON; 2177 2178 /* 2179 * We never *not* notify CAM when there has been any error (ok == 0), 2180 * so we never need to do an ATIO putback if we're not notifying CAM. 2181 */ 2182 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 2183 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 2184 if (notify_cam == 0) { 2185 if (atp->sendst) { 2186 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 2187 } 2188 return; 2189 } 2190 2191 /* 2192 * We are done with this ATIO if we successfully sent status. 2193 * In all other cases expect either another CTIO or XPT_ABORT. 2194 */ 2195 if (ok && sentstatus) 2196 isp_put_atpd(isp, bus, atp); 2197 2198 /* 2199 * We're telling CAM we're done with this CTIO transaction. 2200 * 2201 * 24XX cards never need an ATIO put back. 2202 * 2203 * Other cards need one put back only on error. 2204 * In the latter case, a timeout will re-fire 2205 * and try again in case we didn't have 2206 * queue resources to do so at first. In any case, 2207 * once the putback is done we do the completion 2208 * call. 2209 */ 2210 if (ok || IS_24XX(isp)) { 2211 isp_complete_ctio(ccb); 2212 } else { 2213 isp_target_putback_atio(ccb); 2214 } 2215 } 2216 2217 static int 2218 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 2219 { 2220 2221 if (isp->isp_state != ISP_RUNSTATE) { 2222 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 2223 return (0); 2224 } 2225 2226 /* 2227 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 2228 */ 2229 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 2230 ct7_entry_t local, *cto = &local; 2231 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 2232 fcportdb_t *lp; 2233 uint32_t sid; 2234 uint16_t nphdl; 2235 2236 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2237 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 2238 nphdl = lp->handle; 2239 } else { 2240 nphdl = NIL_HANDLE; 2241 } 2242 ISP_MEMZERO(&local, sizeof (local)); 2243 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2244 cto->ct_header.rqs_entry_count = 1; 2245 cto->ct_nphdl = nphdl; 2246 cto->ct_rxid = aep->at_rxid; 2247 cto->ct_vpidx = mp->nt_channel; 2248 cto->ct_iid_lo = sid; 2249 cto->ct_iid_hi = sid >> 16; 2250 cto->ct_oxid = aep->at_hdr.ox_id; 2251 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 2252 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 2253 if (rsp != 0) { 2254 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 2255 cto->rsp.m1.ct_resplen = 4; 2256 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 2257 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 2258 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 2259 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 2260 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 2261 } 2262 return (isp_target_put_entry(isp, &local)); 2263 } 2264 2265 /* 2266 * This case is for a responding to an ABTS frame 2267 */ 2268 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2269 2270 /* 2271 * Overload nt_need_ack here to mark whether we've terminated the associated command. 2272 */ 2273 if (mp->nt_need_ack) { 2274 uint8_t storage[QENTRY_LEN]; 2275 ct7_entry_t *cto = (ct7_entry_t *) storage; 2276 abts_t *abts = (abts_t *)mp->nt_lreserved; 2277 2278 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2279 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 2280 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2281 cto->ct_header.rqs_entry_count = 1; 2282 cto->ct_nphdl = mp->nt_nphdl; 2283 cto->ct_rxid = abts->abts_rxid_task; 2284 cto->ct_iid_lo = mp->nt_sid; 2285 cto->ct_iid_hi = mp->nt_sid >> 16; 2286 cto->ct_oxid = abts->abts_ox_id; 2287 cto->ct_vpidx = mp->nt_channel; 2288 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2289 if (isp_target_put_entry(isp, cto)) { 2290 return (ENOMEM); 2291 } 2292 mp->nt_need_ack = 0; 2293 } 2294 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 2295 return (ENOMEM); 2296 } else { 2297 return (0); 2298 } 2299 } 2300 2301 /* 2302 * Handle logout cases here 2303 */ 2304 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 2305 isp_del_all_wwn_entries(isp, mp->nt_channel); 2306 } 2307 2308 if (mp->nt_ncode == NT_LOGOUT) { 2309 if (!IS_2100(isp) && IS_FC(isp)) { 2310 isp_del_wwn_entries(isp, mp); 2311 } 2312 } 2313 2314 /* 2315 * General purpose acknowledgement 2316 */ 2317 if (mp->nt_need_ack) { 2318 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 2319 /* 2320 * Don't need to use the guaranteed send because the caller can retry 2321 */ 2322 return (isp_notify_ack(isp, mp->nt_lreserved)); 2323 } 2324 return (0); 2325 } 2326 2327 /* 2328 * Handle task management functions. 2329 * 2330 * We show up here with a notify structure filled out. 2331 * 2332 * The nt_lreserved tag points to the original queue entry 2333 */ 2334 static void 2335 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 2336 { 2337 tstate_t *tptr; 2338 fcportdb_t *lp; 2339 struct ccb_immediate_notify *inot; 2340 inot_private_data_t *ntp = NULL; 2341 atio_private_data_t *atp; 2342 lun_id_t lun; 2343 2344 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode, 2345 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 2346 if (notify->nt_lun == LUN_ANY) { 2347 if (notify->nt_tagval == TAG_ANY) { 2348 lun = CAM_LUN_WILDCARD; 2349 } else { 2350 atp = isp_find_atpd(isp, notify->nt_channel, 2351 notify->nt_tagval & 0xffffffff); 2352 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 2353 } 2354 } else { 2355 lun = notify->nt_lun; 2356 } 2357 tptr = get_lun_statep(isp, notify->nt_channel, lun); 2358 if (tptr == NULL) { 2359 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 2360 if (tptr == NULL) { 2361 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 2362 goto bad; 2363 } 2364 } 2365 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 2366 if (inot == NULL) { 2367 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 2368 goto bad; 2369 } 2370 2371 inot->ccb_h.target_id = ISP_MAX_TARGETS(isp); 2372 inot->ccb_h.target_lun = lun; 2373 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 2374 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 2375 inot->initiator_id = CAM_TARGET_WILDCARD; 2376 } else { 2377 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 2378 } 2379 inot->seq_id = notify->nt_tagval; 2380 inot->tag_id = notify->nt_tagval >> 32; 2381 2382 switch (notify->nt_ncode) { 2383 case NT_ABORT_TASK: 2384 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 2385 inot->arg = MSG_ABORT_TASK; 2386 break; 2387 case NT_ABORT_TASK_SET: 2388 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 2389 inot->arg = MSG_ABORT_TASK_SET; 2390 break; 2391 case NT_CLEAR_ACA: 2392 inot->arg = MSG_CLEAR_ACA; 2393 break; 2394 case NT_CLEAR_TASK_SET: 2395 inot->arg = MSG_CLEAR_TASK_SET; 2396 break; 2397 case NT_LUN_RESET: 2398 inot->arg = MSG_LOGICAL_UNIT_RESET; 2399 break; 2400 case NT_TARGET_RESET: 2401 inot->arg = MSG_TARGET_RESET; 2402 break; 2403 case NT_QUERY_TASK_SET: 2404 inot->arg = MSG_QUERY_TASK_SET; 2405 break; 2406 case NT_QUERY_ASYNC_EVENT: 2407 inot->arg = MSG_QUERY_ASYNC_EVENT; 2408 break; 2409 default: 2410 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); 2411 goto bad; 2412 } 2413 2414 ntp = isp_get_ntpd(isp, notify->nt_channel); 2415 if (ntp == NULL) { 2416 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 2417 goto bad; 2418 } 2419 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 2420 if (notify->nt_lreserved) { 2421 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 2422 ntp->nt.nt_lreserved = &ntp->data; 2423 } 2424 ntp->seq_id = notify->nt_tagval; 2425 ntp->tag_id = notify->nt_tagval >> 32; 2426 2427 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 2428 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 2429 inot->ccb_h.status = CAM_MESSAGE_RECV; 2430 xpt_done((union ccb *)inot); 2431 return; 2432 bad: 2433 if (notify->nt_need_ack) { 2434 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2435 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 2436 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 2437 } 2438 } else { 2439 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 2440 } 2441 } 2442 } 2443 2444 static void 2445 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 2446 { 2447 atio_private_data_t *atp, *atpool; 2448 inot_private_data_t *ntp, *tmp; 2449 uint32_t this_tag_id; 2450 2451 /* 2452 * First, clean any commands pending restart 2453 */ 2454 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 2455 if (IS_24XX(isp)) 2456 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 2457 else 2458 this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid; 2459 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 2460 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 2461 ECMD_TERMINATE, 0); 2462 isp_put_ntpd(isp, chan, ntp); 2463 STAILQ_REMOVE(&tptr->restart_queue, ntp, 2464 inot_private_data, next); 2465 } 2466 } 2467 2468 /* 2469 * Now mark other ones dead as well. 2470 */ 2471 ISP_GET_PC(isp, chan, atpool, atpool); 2472 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 2473 if (atp->lun != tptr->ts_lun) 2474 continue; 2475 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 2476 atp->dead = 1; 2477 } 2478 } 2479 #endif 2480 2481 static void 2482 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 2483 { 2484 struct cam_sim *sim; 2485 int bus, tgt; 2486 ispsoftc_t *isp; 2487 2488 sim = (struct cam_sim *)cbarg; 2489 isp = (ispsoftc_t *) cam_sim_softc(sim); 2490 bus = cam_sim_bus(sim); 2491 tgt = xpt_path_target_id(path); 2492 2493 switch (code) { 2494 case AC_LOST_DEVICE: 2495 if (IS_SCSI(isp)) { 2496 uint16_t oflags, nflags; 2497 sdparam *sdp = SDPARAM(isp, bus); 2498 2499 if (tgt >= 0) { 2500 nflags = sdp->isp_devparam[tgt].nvrm_flags; 2501 nflags &= DPARM_SAFE_DFLT; 2502 if (isp->isp_loaded_fw) { 2503 nflags |= DPARM_NARROW | DPARM_ASYNC; 2504 } 2505 oflags = sdp->isp_devparam[tgt].goal_flags; 2506 sdp->isp_devparam[tgt].goal_flags = nflags; 2507 sdp->isp_devparam[tgt].dev_update = 1; 2508 sdp->update = 1; 2509 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 2510 sdp->isp_devparam[tgt].goal_flags = oflags; 2511 } 2512 } 2513 break; 2514 default: 2515 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 2516 break; 2517 } 2518 } 2519 2520 static void 2521 isp_poll(struct cam_sim *sim) 2522 { 2523 ispsoftc_t *isp = cam_sim_softc(sim); 2524 2525 ISP_RUN_ISR(isp); 2526 } 2527 2528 2529 static void 2530 isp_watchdog(void *arg) 2531 { 2532 struct ccb_scsiio *xs = arg; 2533 ispsoftc_t *isp; 2534 uint32_t ohandle = ISP_HANDLE_FREE, handle; 2535 2536 isp = XS_ISP(xs); 2537 2538 handle = isp_find_handle(isp, xs); 2539 2540 /* 2541 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 2542 */ 2543 if (handle != ISP_HANDLE_FREE) { 2544 ISP_RUN_ISR(isp); 2545 ohandle = handle; 2546 handle = isp_find_handle(isp, xs); 2547 } 2548 if (handle != ISP_HANDLE_FREE) { 2549 /* 2550 * Try and make sure the command is really dead before 2551 * we release the handle (and DMA resources) for reuse. 2552 * 2553 * If we are successful in aborting the command then 2554 * we're done here because we'll get the command returned 2555 * back separately. 2556 */ 2557 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2558 return; 2559 } 2560 2561 /* 2562 * Note that after calling the above, the command may in 2563 * fact have been completed. 2564 */ 2565 xs = isp_find_xs(isp, handle); 2566 2567 /* 2568 * If the command no longer exists, then we won't 2569 * be able to find the xs again with this handle. 2570 */ 2571 if (xs == NULL) { 2572 return; 2573 } 2574 2575 /* 2576 * After this point, the command is really dead. 2577 */ 2578 if (XS_XFRLEN(xs)) { 2579 ISP_DMAFREE(isp, xs, handle); 2580 } 2581 isp_destroy_handle(isp, handle); 2582 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 2583 XS_SETERR(xs, CAM_CMD_TIMEOUT); 2584 isp_done(xs); 2585 } else { 2586 if (ohandle != ISP_HANDLE_FREE) { 2587 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 2588 } else { 2589 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 2590 } 2591 } 2592 } 2593 2594 static void 2595 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2596 { 2597 union ccb *ccb; 2598 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2599 2600 /* 2601 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2602 */ 2603 ccb = xpt_alloc_ccb_nowait(); 2604 if (ccb == NULL) { 2605 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2606 return; 2607 } 2608 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2609 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2610 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2611 xpt_free_ccb(ccb); 2612 return; 2613 } 2614 xpt_rescan(ccb); 2615 } 2616 2617 static void 2618 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2619 { 2620 struct cam_path *tp; 2621 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2622 2623 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2624 xpt_async(AC_LOST_DEVICE, tp, NULL); 2625 xpt_free_path(tp); 2626 } 2627 } 2628 2629 /* 2630 * Gone Device Timer Function- when we have decided that a device has gone 2631 * away, we wait a specific period of time prior to telling the OS it has 2632 * gone away. 2633 * 2634 * This timer function fires once a second and then scans the port database 2635 * for devices that are marked dead but still have a virtual target assigned. 2636 * We decrement a counter for that port database entry, and when it hits zero, 2637 * we tell the OS the device has gone away. 2638 */ 2639 static void 2640 isp_gdt(void *arg) 2641 { 2642 struct isp_fc *fc = arg; 2643 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2644 } 2645 2646 static void 2647 isp_gdt_task(void *arg, int pending) 2648 { 2649 struct isp_fc *fc = arg; 2650 ispsoftc_t *isp = fc->isp; 2651 int chan = fc - isp->isp_osinfo.pc.fc; 2652 fcportdb_t *lp; 2653 struct ac_contract ac; 2654 struct ac_device_changed *adc; 2655 int dbidx, more_to_do = 0; 2656 2657 ISP_LOCK(isp); 2658 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2659 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2660 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2661 2662 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2663 continue; 2664 } 2665 if (lp->gone_timer != 0) { 2666 lp->gone_timer -= 1; 2667 more_to_do++; 2668 continue; 2669 } 2670 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2671 if (lp->is_target) { 2672 lp->is_target = 0; 2673 isp_make_gone(isp, lp, chan, dbidx); 2674 } 2675 if (lp->is_initiator) { 2676 lp->is_initiator = 0; 2677 ac.contract_number = AC_CONTRACT_DEV_CHG; 2678 adc = (struct ac_device_changed *) ac.contract_data; 2679 adc->wwpn = lp->port_wwn; 2680 adc->port = lp->portid; 2681 adc->target = dbidx; 2682 adc->arrived = 0; 2683 xpt_async(AC_CONTRACT, fc->path, &ac); 2684 } 2685 lp->state = FC_PORTDB_STATE_NIL; 2686 } 2687 if (fc->ready) { 2688 if (more_to_do) { 2689 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2690 } else { 2691 callout_deactivate(&fc->gdt); 2692 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2693 } 2694 } 2695 ISP_UNLOCK(isp); 2696 } 2697 2698 /* 2699 * When loop goes down we remember the time and freeze CAM command queue. 2700 * During some time period we are trying to reprobe the loop. But if we 2701 * fail, we tell the OS that devices have gone away and drop the freeze. 2702 * 2703 * We don't clear the devices out of our port database because, when loop 2704 * come back up, we have to do some actual cleanup with the chip at that 2705 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2706 */ 2707 static void 2708 isp_loop_changed(ispsoftc_t *isp, int chan) 2709 { 2710 fcparam *fcp = FCPARAM(isp, chan); 2711 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2712 2713 if (fc->loop_down_time) 2714 return; 2715 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2716 if (fcp->role & ISP_ROLE_INITIATOR) 2717 isp_freeze_loopdown(isp, chan); 2718 fc->loop_down_time = time_uptime; 2719 wakeup(fc); 2720 } 2721 2722 static void 2723 isp_loop_up(ispsoftc_t *isp, int chan) 2724 { 2725 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2726 2727 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2728 fc->loop_seen_once = 1; 2729 fc->loop_down_time = 0; 2730 isp_unfreeze_loopdown(isp, chan); 2731 } 2732 2733 static void 2734 isp_loop_dead(ispsoftc_t *isp, int chan) 2735 { 2736 fcparam *fcp = FCPARAM(isp, chan); 2737 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2738 fcportdb_t *lp; 2739 struct ac_contract ac; 2740 struct ac_device_changed *adc; 2741 int dbidx, i; 2742 2743 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2744 2745 /* 2746 * Notify to the OS all targets who we now consider have departed. 2747 */ 2748 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2749 lp = &fcp->portdb[dbidx]; 2750 2751 if (lp->state == FC_PORTDB_STATE_NIL) 2752 continue; 2753 2754 for (i = 0; i < isp->isp_maxcmds; i++) { 2755 struct ccb_scsiio *xs; 2756 2757 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2758 continue; 2759 } 2760 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2761 continue; 2762 } 2763 if (dbidx != XS_TGT(xs)) { 2764 continue; 2765 } 2766 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2767 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2768 (uintmax_t)XS_LUN(xs)); 2769 2770 /* 2771 * Just like in isp_watchdog, abort the outstanding 2772 * command or immediately free its resources if it is 2773 * not active 2774 */ 2775 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2776 continue; 2777 } 2778 2779 if (XS_XFRLEN(xs)) { 2780 ISP_DMAFREE(isp, xs, isp->isp_xflist[i].handle); 2781 } 2782 isp_destroy_handle(isp, isp->isp_xflist[i].handle); 2783 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed", 2784 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2785 (uintmax_t)XS_LUN(xs)); 2786 XS_SETERR(xs, HBA_BUSRESET); 2787 isp_done(xs); 2788 } 2789 2790 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2791 if (lp->is_target) { 2792 lp->is_target = 0; 2793 isp_make_gone(isp, lp, chan, dbidx); 2794 } 2795 if (lp->is_initiator) { 2796 lp->is_initiator = 0; 2797 ac.contract_number = AC_CONTRACT_DEV_CHG; 2798 adc = (struct ac_device_changed *) ac.contract_data; 2799 adc->wwpn = lp->port_wwn; 2800 adc->port = lp->portid; 2801 adc->target = dbidx; 2802 adc->arrived = 0; 2803 xpt_async(AC_CONTRACT, fc->path, &ac); 2804 } 2805 } 2806 2807 isp_unfreeze_loopdown(isp, chan); 2808 fc->loop_down_time = 0; 2809 } 2810 2811 static void 2812 isp_kthread(void *arg) 2813 { 2814 struct isp_fc *fc = arg; 2815 ispsoftc_t *isp = fc->isp; 2816 int chan = fc - isp->isp_osinfo.pc.fc; 2817 int slp = 0, d; 2818 int lb, lim; 2819 2820 ISP_LOCK(isp); 2821 while (isp->isp_osinfo.is_exiting == 0) { 2822 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2823 "Chan %d Checking FC state", chan); 2824 lb = isp_fc_runstate(isp, chan, 250000); 2825 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2826 "Chan %d FC got to %s state", chan, 2827 isp_fc_loop_statename(lb)); 2828 2829 /* 2830 * Our action is different based upon whether we're supporting 2831 * Initiator mode or not. If we are, we might freeze the simq 2832 * when loop is down and set all sorts of different delays to 2833 * check again. 2834 * 2835 * If not, we simply just wait for loop to come up. 2836 */ 2837 if (lb == LOOP_READY || lb < 0) { 2838 slp = 0; 2839 } else { 2840 /* 2841 * If we've never seen loop up and we've waited longer 2842 * than quickboot time, or we've seen loop up but we've 2843 * waited longer than loop_down_limit, give up and go 2844 * to sleep until loop comes up. 2845 */ 2846 if (fc->loop_seen_once == 0) 2847 lim = isp_quickboot_time; 2848 else 2849 lim = fc->loop_down_limit; 2850 d = time_uptime - fc->loop_down_time; 2851 if (d >= lim) 2852 slp = 0; 2853 else if (d < 10) 2854 slp = 1; 2855 else if (d < 30) 2856 slp = 5; 2857 else if (d < 60) 2858 slp = 10; 2859 else if (d < 120) 2860 slp = 20; 2861 else 2862 slp = 30; 2863 } 2864 2865 if (slp == 0) { 2866 if (lb == LOOP_READY) 2867 isp_loop_up(isp, chan); 2868 else 2869 isp_loop_dead(isp, chan); 2870 } 2871 2872 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2873 "Chan %d sleep for %d seconds", chan, slp); 2874 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2875 } 2876 fc->num_threads -= 1; 2877 ISP_UNLOCK(isp); 2878 kthread_exit(); 2879 } 2880 2881 #ifdef ISP_TARGET_MODE 2882 static void 2883 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2884 { 2885 atio_private_data_t *atp; 2886 union ccb *accb = ccb->cab.abort_ccb; 2887 struct ccb_hdr *sccb; 2888 tstate_t *tptr; 2889 2890 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2891 if (tptr != NULL) { 2892 /* Search for the ATIO among queueued. */ 2893 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2894 if (sccb != &accb->ccb_h) 2895 continue; 2896 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2897 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2898 "Abort FREE ATIO\n"); 2899 accb->ccb_h.status = CAM_REQ_ABORTED; 2900 xpt_done(accb); 2901 ccb->ccb_h.status = CAM_REQ_CMP; 2902 return; 2903 } 2904 } 2905 2906 /* Search for the ATIO among running. */ 2907 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2908 if (atp != NULL) { 2909 /* Send TERMINATE to firmware. */ 2910 if (!atp->dead && IS_24XX(isp)) { 2911 uint8_t storage[QENTRY_LEN]; 2912 ct7_entry_t *cto = (ct7_entry_t *) storage; 2913 2914 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2915 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2916 cto->ct_header.rqs_entry_count = 1; 2917 cto->ct_nphdl = atp->nphdl; 2918 cto->ct_rxid = atp->tag; 2919 cto->ct_iid_lo = atp->sid; 2920 cto->ct_iid_hi = atp->sid >> 16; 2921 cto->ct_oxid = atp->oxid; 2922 cto->ct_vpidx = XS_CHANNEL(accb); 2923 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2924 isp_target_put_entry(isp, cto); 2925 } 2926 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2927 ccb->ccb_h.status = CAM_REQ_CMP; 2928 } else { 2929 ccb->ccb_h.status = CAM_UA_ABORT; 2930 } 2931 } 2932 2933 static void 2934 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2935 { 2936 inot_private_data_t *ntp; 2937 union ccb *accb = ccb->cab.abort_ccb; 2938 struct ccb_hdr *sccb; 2939 tstate_t *tptr; 2940 2941 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2942 if (tptr != NULL) { 2943 /* Search for the INOT among queueued. */ 2944 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2945 if (sccb != &accb->ccb_h) 2946 continue; 2947 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2948 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2949 "Abort FREE INOT\n"); 2950 accb->ccb_h.status = CAM_REQ_ABORTED; 2951 xpt_done(accb); 2952 ccb->ccb_h.status = CAM_REQ_CMP; 2953 return; 2954 } 2955 } 2956 2957 /* Search for the INOT among running. */ 2958 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2959 if (ntp != NULL) { 2960 if (ntp->nt.nt_need_ack) { 2961 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2962 ntp->nt.nt_lreserved); 2963 } 2964 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2965 ccb->ccb_h.status = CAM_REQ_CMP; 2966 } else { 2967 ccb->ccb_h.status = CAM_UA_ABORT; 2968 return; 2969 } 2970 } 2971 #endif 2972 2973 static void 2974 isp_action(struct cam_sim *sim, union ccb *ccb) 2975 { 2976 int bus, tgt, error; 2977 ispsoftc_t *isp; 2978 struct ccb_trans_settings *cts; 2979 sbintime_t ts; 2980 2981 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2982 2983 isp = (ispsoftc_t *)cam_sim_softc(sim); 2984 ISP_ASSERT_LOCKED(isp); 2985 bus = cam_sim_bus(sim); 2986 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2987 ISP_PCMD(ccb) = NULL; 2988 2989 switch (ccb->ccb_h.func_code) { 2990 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2991 /* 2992 * Do a couple of preliminary checks... 2993 */ 2994 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2995 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2996 ccb->ccb_h.status = CAM_REQ_INVALID; 2997 isp_done((struct ccb_scsiio *) ccb); 2998 break; 2999 } 3000 } 3001 ccb->csio.req_map = NULL; 3002 #ifdef DIAGNOSTIC 3003 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 3004 xpt_print(ccb->ccb_h.path, "invalid target\n"); 3005 ccb->ccb_h.status = CAM_PATH_INVALID; 3006 } else if (ISP_MAX_LUNS(isp) > 0 && 3007 ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) { 3008 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 3009 ccb->ccb_h.status = CAM_PATH_INVALID; 3010 } 3011 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 3012 xpt_done(ccb); 3013 break; 3014 } 3015 #endif 3016 ccb->csio.scsi_status = SCSI_STATUS_OK; 3017 if (isp_get_pcmd(isp, ccb)) { 3018 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 3019 cam_freeze_devq(ccb->ccb_h.path); 3020 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 3021 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3022 xpt_done(ccb); 3023 break; 3024 } 3025 error = isp_start((XS_T *) ccb); 3026 switch (error) { 3027 case CMD_QUEUED: 3028 ccb->ccb_h.status |= CAM_SIM_QUEUED; 3029 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 3030 break; 3031 /* Give firmware extra 10s to handle timeout. */ 3032 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 3033 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 3034 isp_watchdog, ccb, 0); 3035 break; 3036 case CMD_RQLATER: 3037 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 3038 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 3039 cam_freeze_devq(ccb->ccb_h.path); 3040 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3041 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3042 isp_free_pcmd(isp, ccb); 3043 xpt_done(ccb); 3044 break; 3045 case CMD_EAGAIN: 3046 isp_free_pcmd(isp, ccb); 3047 cam_freeze_devq(ccb->ccb_h.path); 3048 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 3049 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3050 xpt_done(ccb); 3051 break; 3052 case CMD_COMPLETE: 3053 isp_done((struct ccb_scsiio *) ccb); 3054 break; 3055 default: 3056 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 3057 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3058 isp_free_pcmd(isp, ccb); 3059 xpt_done(ccb); 3060 } 3061 break; 3062 3063 #ifdef ISP_TARGET_MODE 3064 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 3065 if (ccb->cel.enable) { 3066 isp_enable_lun(isp, ccb); 3067 } else { 3068 isp_disable_lun(isp, ccb); 3069 } 3070 break; 3071 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 3072 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3073 { 3074 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 3075 if (tptr == NULL) { 3076 const char *str; 3077 3078 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 3079 str = "XPT_IMMEDIATE_NOTIFY"; 3080 else 3081 str = "XPT_ACCEPT_TARGET_IO"; 3082 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 3083 "%s: no state pointer found for %s\n", 3084 __func__, str); 3085 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3086 xpt_done(ccb); 3087 break; 3088 } 3089 ccb->ccb_h.spriv_field0 = 0; 3090 ccb->ccb_h.spriv_ptr1 = isp; 3091 3092 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3093 ccb->atio.tag_id = 0; 3094 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 3095 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3096 "Put FREE ATIO\n"); 3097 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 3098 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 3099 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 3100 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3101 "Put FREE INOT\n"); 3102 } 3103 ccb->ccb_h.status = CAM_REQ_INPROG; 3104 break; 3105 } 3106 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 3107 { 3108 inot_private_data_t *ntp; 3109 3110 /* 3111 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 3112 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 3113 */ 3114 /* 3115 * All the relevant path information is in the associated immediate notify 3116 */ 3117 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); 3118 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 3119 if (ntp == NULL) { 3120 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__, 3121 ccb->cna2.tag_id, ccb->cna2.seq_id); 3122 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3123 xpt_done(ccb); 3124 break; 3125 } 3126 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 3127 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 3128 cam_freeze_devq(ccb->ccb_h.path); 3129 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3130 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 3131 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 3132 break; 3133 } 3134 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 3135 ccb->ccb_h.status = CAM_REQ_CMP; 3136 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); 3137 xpt_done(ccb); 3138 break; 3139 } 3140 case XPT_CONT_TARGET_IO: 3141 isp_target_start_ctio(isp, ccb, FROM_CAM); 3142 break; 3143 #endif 3144 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 3145 tgt = ccb->ccb_h.target_id; 3146 tgt |= (bus << 16); 3147 3148 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 3149 if (error) { 3150 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3151 } else { 3152 /* 3153 * If we have a FC device, reset the Command 3154 * Reference Number, because the target will expect 3155 * that we re-start the CRN at 1 after a reset. 3156 */ 3157 if (IS_FC(isp)) 3158 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3159 3160 ccb->ccb_h.status = CAM_REQ_CMP; 3161 } 3162 xpt_done(ccb); 3163 break; 3164 case XPT_ABORT: /* Abort the specified CCB */ 3165 { 3166 union ccb *accb = ccb->cab.abort_ccb; 3167 switch (accb->ccb_h.func_code) { 3168 #ifdef ISP_TARGET_MODE 3169 case XPT_ACCEPT_TARGET_IO: 3170 isp_abort_atio(isp, ccb); 3171 break; 3172 case XPT_IMMEDIATE_NOTIFY: 3173 isp_abort_inot(isp, ccb); 3174 break; 3175 #endif 3176 case XPT_SCSI_IO: 3177 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 3178 if (error) { 3179 ccb->ccb_h.status = CAM_UA_ABORT; 3180 } else { 3181 ccb->ccb_h.status = CAM_REQ_CMP; 3182 } 3183 break; 3184 default: 3185 ccb->ccb_h.status = CAM_REQ_INVALID; 3186 break; 3187 } 3188 /* 3189 * This is not a queued CCB, so the caller expects it to be 3190 * complete when control is returned. 3191 */ 3192 break; 3193 } 3194 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 3195 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3196 cts = &ccb->cts; 3197 if (!IS_CURRENT_SETTINGS(cts)) { 3198 ccb->ccb_h.status = CAM_REQ_INVALID; 3199 xpt_done(ccb); 3200 break; 3201 } 3202 tgt = cts->ccb_h.target_id; 3203 if (IS_SCSI(isp)) { 3204 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3205 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3206 sdparam *sdp = SDPARAM(isp, bus); 3207 uint16_t *dptr; 3208 3209 if (spi->valid == 0 && scsi->valid == 0) { 3210 ccb->ccb_h.status = CAM_REQ_CMP; 3211 xpt_done(ccb); 3212 break; 3213 } 3214 3215 /* 3216 * We always update (internally) from goal_flags 3217 * so any request to change settings just gets 3218 * vectored to that location. 3219 */ 3220 dptr = &sdp->isp_devparam[tgt].goal_flags; 3221 3222 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3223 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 3224 *dptr |= DPARM_DISC; 3225 else 3226 *dptr &= ~DPARM_DISC; 3227 } 3228 3229 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3230 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 3231 *dptr |= DPARM_TQING; 3232 else 3233 *dptr &= ~DPARM_TQING; 3234 } 3235 3236 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3237 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 3238 *dptr |= DPARM_WIDE; 3239 else 3240 *dptr &= ~DPARM_WIDE; 3241 } 3242 3243 /* 3244 * XXX: FIX ME 3245 */ 3246 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 3247 *dptr |= DPARM_SYNC; 3248 /* 3249 * XXX: CHECK FOR LEGALITY 3250 */ 3251 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 3252 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 3253 } else { 3254 *dptr &= ~DPARM_SYNC; 3255 } 3256 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, 3257 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 3258 sdp->isp_devparam[tgt].dev_update = 1; 3259 sdp->update = 1; 3260 } 3261 ccb->ccb_h.status = CAM_REQ_CMP; 3262 xpt_done(ccb); 3263 break; 3264 case XPT_GET_TRAN_SETTINGS: 3265 cts = &ccb->cts; 3266 tgt = cts->ccb_h.target_id; 3267 if (IS_FC(isp)) { 3268 fcparam *fcp = FCPARAM(isp, bus); 3269 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3270 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 3271 3272 cts->protocol = PROTO_SCSI; 3273 cts->protocol_version = SCSI_REV_2; 3274 cts->transport = XPORT_FC; 3275 cts->transport_version = 0; 3276 3277 scsi->valid = CTS_SCSI_VALID_TQ; 3278 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3279 fc->valid = CTS_FC_VALID_SPEED; 3280 fc->bitrate = 100000; 3281 fc->bitrate *= fcp->isp_gbspeed; 3282 if (tgt < MAX_FC_TARG) { 3283 fcportdb_t *lp = &fcp->portdb[tgt]; 3284 fc->wwnn = lp->node_wwn; 3285 fc->wwpn = lp->port_wwn; 3286 fc->port = lp->portid; 3287 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 3288 } 3289 } else { 3290 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3291 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3292 sdparam *sdp = SDPARAM(isp, bus); 3293 uint16_t dval, pval, oval; 3294 3295 if (IS_CURRENT_SETTINGS(cts)) { 3296 sdp->isp_devparam[tgt].dev_refresh = 1; 3297 sdp->update = 1; 3298 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 3299 dval = sdp->isp_devparam[tgt].actv_flags; 3300 oval = sdp->isp_devparam[tgt].actv_offset; 3301 pval = sdp->isp_devparam[tgt].actv_period; 3302 } else { 3303 dval = sdp->isp_devparam[tgt].nvrm_flags; 3304 oval = sdp->isp_devparam[tgt].nvrm_offset; 3305 pval = sdp->isp_devparam[tgt].nvrm_period; 3306 } 3307 3308 cts->protocol = PROTO_SCSI; 3309 cts->protocol_version = SCSI_REV_2; 3310 cts->transport = XPORT_SPI; 3311 cts->transport_version = 2; 3312 3313 spi->valid = 0; 3314 scsi->valid = 0; 3315 spi->flags = 0; 3316 scsi->flags = 0; 3317 if (dval & DPARM_DISC) { 3318 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3319 } 3320 if ((dval & DPARM_SYNC) && oval && pval) { 3321 spi->sync_offset = oval; 3322 spi->sync_period = pval; 3323 } else { 3324 spi->sync_offset = 0; 3325 spi->sync_period = 0; 3326 } 3327 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3328 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3329 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3330 if (dval & DPARM_WIDE) { 3331 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3332 } else { 3333 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3334 } 3335 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3336 scsi->valid = CTS_SCSI_VALID_TQ; 3337 if (dval & DPARM_TQING) { 3338 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3339 } 3340 spi->valid |= CTS_SPI_VALID_DISC; 3341 } 3342 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 3343 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval); 3344 } 3345 ccb->ccb_h.status = CAM_REQ_CMP; 3346 xpt_done(ccb); 3347 break; 3348 3349 case XPT_CALC_GEOMETRY: 3350 cam_calc_geometry(&ccb->ccg, 1); 3351 xpt_done(ccb); 3352 break; 3353 3354 case XPT_RESET_BUS: /* Reset the specified bus */ 3355 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 3356 if (error) { 3357 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3358 xpt_done(ccb); 3359 break; 3360 } 3361 if (bootverbose) { 3362 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 3363 } 3364 if (IS_FC(isp)) { 3365 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 3366 } else { 3367 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 3368 } 3369 ccb->ccb_h.status = CAM_REQ_CMP; 3370 xpt_done(ccb); 3371 break; 3372 3373 case XPT_TERM_IO: /* Terminate the I/O process */ 3374 ccb->ccb_h.status = CAM_REQ_INVALID; 3375 xpt_done(ccb); 3376 break; 3377 3378 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 3379 { 3380 struct ccb_sim_knob *kp = &ccb->knob; 3381 fcparam *fcp; 3382 3383 if (!IS_FC(isp)) { 3384 ccb->ccb_h.status = CAM_REQ_INVALID; 3385 xpt_done(ccb); 3386 break; 3387 } 3388 3389 fcp = FCPARAM(isp, bus); 3390 3391 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 3392 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 3393 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 3394 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 3395 } 3396 ccb->ccb_h.status = CAM_REQ_CMP; 3397 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 3398 int rchange = 0; 3399 int newrole = 0; 3400 3401 switch (kp->xport_specific.fc.role) { 3402 case KNOB_ROLE_NONE: 3403 if (fcp->role != ISP_ROLE_NONE) { 3404 rchange = 1; 3405 newrole = ISP_ROLE_NONE; 3406 } 3407 break; 3408 case KNOB_ROLE_TARGET: 3409 if (fcp->role != ISP_ROLE_TARGET) { 3410 rchange = 1; 3411 newrole = ISP_ROLE_TARGET; 3412 } 3413 break; 3414 case KNOB_ROLE_INITIATOR: 3415 if (fcp->role != ISP_ROLE_INITIATOR) { 3416 rchange = 1; 3417 newrole = ISP_ROLE_INITIATOR; 3418 } 3419 break; 3420 case KNOB_ROLE_BOTH: 3421 if (fcp->role != ISP_ROLE_BOTH) { 3422 rchange = 1; 3423 newrole = ISP_ROLE_BOTH; 3424 } 3425 break; 3426 } 3427 if (rchange) { 3428 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 3429 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 3430 bus, newrole) != 0) { 3431 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3432 xpt_done(ccb); 3433 break; 3434 } 3435 } 3436 } 3437 xpt_done(ccb); 3438 break; 3439 } 3440 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 3441 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 3442 { 3443 struct ccb_sim_knob *kp = &ccb->knob; 3444 3445 if (IS_FC(isp)) { 3446 fcparam *fcp; 3447 3448 fcp = FCPARAM(isp, bus); 3449 3450 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 3451 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 3452 switch (fcp->role) { 3453 case ISP_ROLE_NONE: 3454 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 3455 break; 3456 case ISP_ROLE_TARGET: 3457 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 3458 break; 3459 case ISP_ROLE_INITIATOR: 3460 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 3461 break; 3462 case ISP_ROLE_BOTH: 3463 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 3464 break; 3465 } 3466 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 3467 ccb->ccb_h.status = CAM_REQ_CMP; 3468 } else { 3469 ccb->ccb_h.status = CAM_REQ_INVALID; 3470 } 3471 xpt_done(ccb); 3472 break; 3473 } 3474 case XPT_PATH_INQ: /* Path routing inquiry */ 3475 { 3476 struct ccb_pathinq *cpi = &ccb->cpi; 3477 3478 cpi->version_num = 1; 3479 #ifdef ISP_TARGET_MODE 3480 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp)) 3481 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3482 else 3483 #endif 3484 cpi->target_sprt = 0; 3485 cpi->hba_eng_cnt = 0; 3486 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 3487 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ? 3488 255 : ISP_MAX_LUNS(isp) - 1; 3489 cpi->bus_id = cam_sim_bus(sim); 3490 if (sizeof (bus_size_t) > 4) 3491 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 3492 else 3493 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 3494 3495 if (IS_FC(isp)) { 3496 fcparam *fcp = FCPARAM(isp, bus); 3497 3498 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 3499 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 3500 3501 /* 3502 * Because our loop ID can shift from time to time, 3503 * make our initiator ID out of range of our bus. 3504 */ 3505 cpi->initiator_id = cpi->max_target + 1; 3506 3507 /* 3508 * Set base transfer capabilities for Fibre Channel, for this HBA. 3509 */ 3510 if (IS_25XX(isp)) { 3511 cpi->base_transfer_speed = 8000000; 3512 } else if (IS_24XX(isp)) { 3513 cpi->base_transfer_speed = 4000000; 3514 } else if (IS_23XX(isp)) { 3515 cpi->base_transfer_speed = 2000000; 3516 } else { 3517 cpi->base_transfer_speed = 1000000; 3518 } 3519 cpi->hba_inquiry = PI_TAG_ABLE; 3520 cpi->transport = XPORT_FC; 3521 cpi->transport_version = 0; 3522 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 3523 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 3524 cpi->xport_specific.fc.port = fcp->isp_portid; 3525 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 3526 } else { 3527 sdparam *sdp = SDPARAM(isp, bus); 3528 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3529 cpi->hba_misc = PIM_UNMAPPED; 3530 cpi->initiator_id = sdp->isp_initiator_id; 3531 cpi->base_transfer_speed = 3300; 3532 cpi->transport = XPORT_SPI; 3533 cpi->transport_version = 2; 3534 } 3535 cpi->protocol = PROTO_SCSI; 3536 cpi->protocol_version = SCSI_REV_2; 3537 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3538 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 3539 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3540 cpi->unit_number = cam_sim_unit(sim); 3541 cpi->ccb_h.status = CAM_REQ_CMP; 3542 xpt_done(ccb); 3543 break; 3544 } 3545 default: 3546 ccb->ccb_h.status = CAM_REQ_INVALID; 3547 xpt_done(ccb); 3548 break; 3549 } 3550 } 3551 3552 void 3553 isp_done(XS_T *sccb) 3554 { 3555 ispsoftc_t *isp = XS_ISP(sccb); 3556 uint32_t status; 3557 3558 if (XS_NOERR(sccb)) 3559 XS_SETERR(sccb, CAM_REQ_CMP); 3560 3561 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 3562 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 3563 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 3564 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 3565 } else { 3566 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 3567 } 3568 } 3569 3570 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3571 status = sccb->ccb_h.status & CAM_STATUS_MASK; 3572 if (status != CAM_REQ_CMP && 3573 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 3574 sccb->ccb_h.status |= CAM_DEV_QFRZN; 3575 xpt_freeze_devq(sccb->ccb_h.path, 1); 3576 } 3577 3578 if (ISP_PCMD(sccb)) { 3579 if (callout_active(&PISP_PCMD(sccb)->wdog)) 3580 callout_stop(&PISP_PCMD(sccb)->wdog); 3581 isp_free_pcmd(isp, (union ccb *) sccb); 3582 } 3583 xpt_done((union ccb *) sccb); 3584 } 3585 3586 void 3587 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 3588 { 3589 int bus; 3590 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 3591 char buf[64]; 3592 char *msg = NULL; 3593 target_id_t tgt = 0; 3594 fcportdb_t *lp; 3595 struct isp_fc *fc; 3596 struct cam_path *tmppath; 3597 struct ac_contract ac; 3598 struct ac_device_changed *adc; 3599 va_list ap; 3600 3601 switch (cmd) { 3602 case ISPASYNC_NEW_TGT_PARAMS: 3603 { 3604 struct ccb_trans_settings_scsi *scsi; 3605 struct ccb_trans_settings_spi *spi; 3606 int flags, tgt; 3607 sdparam *sdp; 3608 struct ccb_trans_settings cts; 3609 3610 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 3611 3612 va_start(ap, cmd); 3613 bus = va_arg(ap, int); 3614 tgt = va_arg(ap, int); 3615 va_end(ap); 3616 sdp = SDPARAM(isp, bus); 3617 3618 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 3619 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 3620 break; 3621 } 3622 flags = sdp->isp_devparam[tgt].actv_flags; 3623 cts.type = CTS_TYPE_CURRENT_SETTINGS; 3624 cts.protocol = PROTO_SCSI; 3625 cts.transport = XPORT_SPI; 3626 3627 scsi = &cts.proto_specific.scsi; 3628 spi = &cts.xport_specific.spi; 3629 3630 if (flags & DPARM_TQING) { 3631 scsi->valid |= CTS_SCSI_VALID_TQ; 3632 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3633 } 3634 3635 if (flags & DPARM_DISC) { 3636 spi->valid |= CTS_SPI_VALID_DISC; 3637 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3638 } 3639 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 3640 if (flags & DPARM_WIDE) { 3641 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3642 } else { 3643 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3644 } 3645 if (flags & DPARM_SYNC) { 3646 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3647 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3648 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 3649 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 3650 } 3651 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); 3652 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 3653 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 3654 xpt_free_path(tmppath); 3655 break; 3656 } 3657 case ISPASYNC_BUS_RESET: 3658 { 3659 va_start(ap, cmd); 3660 bus = va_arg(ap, int); 3661 va_end(ap); 3662 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 3663 if (IS_FC(isp)) { 3664 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 3665 } else { 3666 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 3667 } 3668 break; 3669 } 3670 case ISPASYNC_LOOP_RESET: 3671 { 3672 uint16_t lipp; 3673 fcparam *fcp; 3674 va_start(ap, cmd); 3675 bus = va_arg(ap, int); 3676 va_end(ap); 3677 3678 lipp = ISP_READ(isp, OUTMAILBOX1); 3679 fcp = FCPARAM(isp, bus); 3680 3681 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp); 3682 /* 3683 * Per FCP-4, a Reset LIP should result in a CRN reset. Other 3684 * LIPs and loop up/down events should never reset the CRN. For 3685 * an as of yet unknown reason, 24xx series cards (and 3686 * potentially others) can interrupt with a LIP Reset status 3687 * when no LIP reset came down the wire. Additionally, the LIP 3688 * primitive accompanying this status would not be a valid LIP 3689 * Reset primitive, but some variation of an invalid AL_PA 3690 * LIP. As a result, we have to verify the AL_PD in the LIP 3691 * addresses our port before blindly resetting. 3692 */ 3693 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF))) 3694 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 3695 isp_loop_changed(isp, bus); 3696 break; 3697 } 3698 case ISPASYNC_LIP: 3699 if (msg == NULL) 3700 msg = "LIP Received"; 3701 /* FALLTHROUGH */ 3702 case ISPASYNC_LOOP_DOWN: 3703 if (msg == NULL) 3704 msg = "LOOP Down"; 3705 /* FALLTHROUGH */ 3706 case ISPASYNC_LOOP_UP: 3707 if (msg == NULL) 3708 msg = "LOOP Up"; 3709 va_start(ap, cmd); 3710 bus = va_arg(ap, int); 3711 va_end(ap); 3712 isp_loop_changed(isp, bus); 3713 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3714 break; 3715 case ISPASYNC_DEV_ARRIVED: 3716 va_start(ap, cmd); 3717 bus = va_arg(ap, int); 3718 lp = va_arg(ap, fcportdb_t *); 3719 va_end(ap); 3720 fc = ISP_FC_PC(isp, bus); 3721 tgt = FC_PORTDB_TGT(isp, bus, lp); 3722 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3723 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 3724 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3725 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 3726 lp->is_target = 1; 3727 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3728 isp_make_here(isp, lp, bus, tgt); 3729 } 3730 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3731 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 3732 lp->is_initiator = 1; 3733 ac.contract_number = AC_CONTRACT_DEV_CHG; 3734 adc = (struct ac_device_changed *) ac.contract_data; 3735 adc->wwpn = lp->port_wwn; 3736 adc->port = lp->portid; 3737 adc->target = tgt; 3738 adc->arrived = 1; 3739 xpt_async(AC_CONTRACT, fc->path, &ac); 3740 } 3741 break; 3742 case ISPASYNC_DEV_CHANGED: 3743 case ISPASYNC_DEV_STAYED: 3744 { 3745 int crn_reset_done; 3746 3747 crn_reset_done = 0; 3748 va_start(ap, cmd); 3749 bus = va_arg(ap, int); 3750 lp = va_arg(ap, fcportdb_t *); 3751 va_end(ap); 3752 fc = ISP_FC_PC(isp, bus); 3753 tgt = FC_PORTDB_TGT(isp, bus, lp); 3754 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 3755 if (cmd == ISPASYNC_DEV_CHANGED) 3756 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 3757 else 3758 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 3759 3760 if (lp->is_target != 3761 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3762 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 3763 lp->is_target = !lp->is_target; 3764 if (lp->is_target) { 3765 if (cmd == ISPASYNC_DEV_CHANGED) { 3766 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3767 crn_reset_done = 1; 3768 } 3769 isp_make_here(isp, lp, bus, tgt); 3770 } else { 3771 isp_make_gone(isp, lp, bus, tgt); 3772 if (cmd == ISPASYNC_DEV_CHANGED) { 3773 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3774 crn_reset_done = 1; 3775 } 3776 } 3777 } 3778 if (lp->is_initiator != 3779 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3780 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 3781 lp->is_initiator = !lp->is_initiator; 3782 ac.contract_number = AC_CONTRACT_DEV_CHG; 3783 adc = (struct ac_device_changed *) ac.contract_data; 3784 adc->wwpn = lp->port_wwn; 3785 adc->port = lp->portid; 3786 adc->target = tgt; 3787 adc->arrived = lp->is_initiator; 3788 xpt_async(AC_CONTRACT, fc->path, &ac); 3789 } 3790 3791 if ((cmd == ISPASYNC_DEV_CHANGED) && 3792 (crn_reset_done == 0)) 3793 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3794 3795 break; 3796 } 3797 case ISPASYNC_DEV_GONE: 3798 va_start(ap, cmd); 3799 bus = va_arg(ap, int); 3800 lp = va_arg(ap, fcportdb_t *); 3801 va_end(ap); 3802 fc = ISP_FC_PC(isp, bus); 3803 tgt = FC_PORTDB_TGT(isp, bus, lp); 3804 /* 3805 * If this has a virtual target or initiator set the isp_gdt 3806 * timer running on it to delay its departure. 3807 */ 3808 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3809 if (lp->is_target || lp->is_initiator) { 3810 lp->state = FC_PORTDB_STATE_ZOMBIE; 3811 lp->gone_timer = fc->gone_device_time; 3812 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 3813 if (fc->ready && !callout_active(&fc->gdt)) { 3814 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); 3815 callout_reset(&fc->gdt, hz, isp_gdt, fc); 3816 } 3817 break; 3818 } 3819 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 3820 break; 3821 case ISPASYNC_CHANGE_NOTIFY: 3822 { 3823 char *msg; 3824 int evt, nphdl, nlstate, portid, reason; 3825 3826 va_start(ap, cmd); 3827 bus = va_arg(ap, int); 3828 evt = va_arg(ap, int); 3829 if (evt == ISPASYNC_CHANGE_PDB) { 3830 nphdl = va_arg(ap, int); 3831 nlstate = va_arg(ap, int); 3832 reason = va_arg(ap, int); 3833 } else if (evt == ISPASYNC_CHANGE_SNS) { 3834 portid = va_arg(ap, int); 3835 } else { 3836 nphdl = NIL_HANDLE; 3837 nlstate = reason = 0; 3838 } 3839 va_end(ap); 3840 3841 if (evt == ISPASYNC_CHANGE_PDB) { 3842 int tgt_set = 0; 3843 msg = "Port Database Changed"; 3844 isp_prt(isp, ISP_LOGINFO, 3845 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3846 bus, msg, nphdl, nlstate, reason); 3847 /* 3848 * Port database syncs are not sufficient for 3849 * determining that logins or logouts are done on the 3850 * loop, but this information is directly available from 3851 * the reason code from the incoming mbox. We must reset 3852 * the fcp crn on these events according to FCP-4 3853 */ 3854 switch (reason) { 3855 case PDB24XX_AE_IMPL_LOGO_1: 3856 case PDB24XX_AE_IMPL_LOGO_2: 3857 case PDB24XX_AE_IMPL_LOGO_3: 3858 case PDB24XX_AE_PLOGI_RCVD: 3859 case PDB24XX_AE_PRLI_RCVD: 3860 case PDB24XX_AE_PRLO_RCVD: 3861 case PDB24XX_AE_LOGO_RCVD: 3862 case PDB24XX_AE_PLOGI_DONE: 3863 case PDB24XX_AE_PRLI_DONE: 3864 /* 3865 * If the event is not global, twiddle tgt and 3866 * tgt_set to nominate only the target 3867 * associated with the nphdl. 3868 */ 3869 if (nphdl != PDB24XX_AE_GLOBAL) { 3870 /* Break if we don't yet have the pdb */ 3871 if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp)) 3872 break; 3873 tgt = FC_PORTDB_TGT(isp, bus, lp); 3874 tgt_set = 1; 3875 } 3876 isp_fcp_reset_crn(isp, bus, tgt, tgt_set); 3877 break; 3878 default: 3879 break; /* NOP */ 3880 } 3881 } else if (evt == ISPASYNC_CHANGE_SNS) { 3882 msg = "Name Server Database Changed"; 3883 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3884 bus, msg, portid); 3885 } else { 3886 msg = "Other Change Notify"; 3887 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3888 } 3889 isp_loop_changed(isp, bus); 3890 break; 3891 } 3892 #ifdef ISP_TARGET_MODE 3893 case ISPASYNC_TARGET_NOTIFY: 3894 { 3895 isp_notify_t *notify; 3896 va_start(ap, cmd); 3897 notify = va_arg(ap, isp_notify_t *); 3898 va_end(ap); 3899 switch (notify->nt_ncode) { 3900 case NT_ABORT_TASK: 3901 case NT_ABORT_TASK_SET: 3902 case NT_CLEAR_ACA: 3903 case NT_CLEAR_TASK_SET: 3904 case NT_LUN_RESET: 3905 case NT_TARGET_RESET: 3906 case NT_QUERY_TASK_SET: 3907 case NT_QUERY_ASYNC_EVENT: 3908 /* 3909 * These are task management functions. 3910 */ 3911 isp_handle_platform_target_tmf(isp, notify); 3912 break; 3913 case NT_BUS_RESET: 3914 case NT_LIP_RESET: 3915 case NT_LINK_UP: 3916 case NT_LINK_DOWN: 3917 case NT_HBA_RESET: 3918 /* 3919 * No action need be taken here. 3920 */ 3921 break; 3922 case NT_GLOBAL_LOGOUT: 3923 case NT_LOGOUT: 3924 /* 3925 * This is device arrival/departure notification 3926 */ 3927 isp_handle_platform_target_notify_ack(isp, notify, 0); 3928 break; 3929 case NT_SRR: 3930 isp_handle_platform_srr(isp, notify); 3931 break; 3932 default: 3933 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3934 isp_handle_platform_target_notify_ack(isp, notify, 0); 3935 break; 3936 } 3937 break; 3938 } 3939 case ISPASYNC_TARGET_NOTIFY_ACK: 3940 { 3941 void *inot; 3942 va_start(ap, cmd); 3943 inot = va_arg(ap, void *); 3944 va_end(ap); 3945 if (isp_notify_ack(isp, inot)) { 3946 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3947 if (tp) { 3948 tp->isp = isp; 3949 memcpy(tp->data, inot, sizeof (tp->data)); 3950 tp->not = tp->data; 3951 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3952 callout_reset(&tp->timer, 5, 3953 isp_refire_notify_ack, tp); 3954 } else { 3955 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3956 } 3957 } 3958 break; 3959 } 3960 case ISPASYNC_TARGET_ACTION: 3961 { 3962 isphdr_t *hp; 3963 3964 va_start(ap, cmd); 3965 hp = va_arg(ap, isphdr_t *); 3966 va_end(ap); 3967 switch (hp->rqs_entry_type) { 3968 case RQSTYPE_ATIO: 3969 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 3970 break; 3971 case RQSTYPE_ATIO2: 3972 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 3973 break; 3974 case RQSTYPE_CTIO7: 3975 case RQSTYPE_CTIO3: 3976 case RQSTYPE_CTIO2: 3977 case RQSTYPE_CTIO: 3978 isp_handle_platform_ctio(isp, hp); 3979 break; 3980 default: 3981 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3982 __func__, hp->rqs_entry_type); 3983 break; 3984 } 3985 break; 3986 } 3987 #endif 3988 case ISPASYNC_FW_CRASH: 3989 { 3990 uint16_t mbox1, mbox6; 3991 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3992 if (IS_DUALBUS(isp)) { 3993 mbox6 = ISP_READ(isp, OUTMAILBOX6); 3994 } else { 3995 mbox6 = 0; 3996 } 3997 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 3998 #if 0 3999 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 4000 isp->isp_osinfo.mbox_sleep_ok = 0; 4001 isp_reinit(isp, 1); 4002 isp->isp_osinfo.mbox_sleep_ok = mbox1; 4003 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 4004 #endif 4005 break; 4006 } 4007 default: 4008 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 4009 break; 4010 } 4011 } 4012 4013 uint64_t 4014 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 4015 { 4016 uint64_t seed; 4017 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4018 4019 /* First try to use explicitly configured WWNs. */ 4020 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 4021 if (seed) 4022 return (seed); 4023 4024 /* Otherwise try to use WWNs from NVRAM. */ 4025 if (isactive) { 4026 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 4027 FCPARAM(isp, chan)->isp_wwpn_nvram; 4028 if (seed) 4029 return (seed); 4030 } 4031 4032 /* If still no WWNs, try to steal them from the first channel. */ 4033 if (chan > 0) { 4034 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 4035 ISP_FC_PC(isp, 0)->def_wwpn; 4036 if (seed == 0) { 4037 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 4038 FCPARAM(isp, 0)->isp_wwpn_nvram; 4039 } 4040 } 4041 4042 /* If still nothing -- improvise. */ 4043 if (seed == 0) { 4044 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 4045 if (!iswwnn) 4046 seed ^= 0x0100000000000000ULL; 4047 } 4048 4049 /* For additional channels we have to improvise even more. */ 4050 if (!iswwnn && chan > 0) { 4051 /* 4052 * We'll stick our channel number plus one first into bits 4053 * 57..59 and thence into bits 52..55 which allows for 8 bits 4054 * of channel which is enough for our maximum of 255 channels. 4055 */ 4056 seed ^= 0x0100000000000000ULL; 4057 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 4058 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 4059 } 4060 return (seed); 4061 } 4062 4063 void 4064 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 4065 { 4066 int loc; 4067 char lbuf[200]; 4068 va_list ap; 4069 4070 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4071 return; 4072 } 4073 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 4074 loc = strlen(lbuf); 4075 va_start(ap, fmt); 4076 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 4077 va_end(ap); 4078 printf("%s\n", lbuf); 4079 } 4080 4081 void 4082 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 4083 { 4084 va_list ap; 4085 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4086 return; 4087 } 4088 xpt_print_path(xs->ccb_h.path); 4089 va_start(ap, fmt); 4090 vprintf(fmt, ap); 4091 va_end(ap); 4092 printf("\n"); 4093 } 4094 4095 uint64_t 4096 isp_nanotime_sub(struct timespec *b, struct timespec *a) 4097 { 4098 uint64_t elapsed; 4099 struct timespec x; 4100 4101 timespecsub(b, a, &x); 4102 elapsed = GET_NANOSEC(&x); 4103 if (elapsed == 0) 4104 elapsed++; 4105 return (elapsed); 4106 } 4107 4108 int 4109 isp_mbox_acquire(ispsoftc_t *isp) 4110 { 4111 if (isp->isp_osinfo.mboxbsy) { 4112 return (1); 4113 } else { 4114 isp->isp_osinfo.mboxcmd_done = 0; 4115 isp->isp_osinfo.mboxbsy = 1; 4116 return (0); 4117 } 4118 } 4119 4120 void 4121 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 4122 { 4123 u_int t, to; 4124 4125 to = (mbp->timeout == 0) ? MBCMD_DEFAULT_TIMEOUT : mbp->timeout; 4126 if (isp->isp_osinfo.mbox_sleep_ok) { 4127 isp->isp_osinfo.mbox_sleep_ok = 0; 4128 isp->isp_osinfo.mbox_sleeping = 1; 4129 msleep_sbt(&isp->isp_osinfo.mboxcmd_done, &isp->isp_lock, 4130 PRIBIO, "ispmbx_sleep", to * SBT_1US, 0, 0); 4131 isp->isp_osinfo.mbox_sleep_ok = 1; 4132 isp->isp_osinfo.mbox_sleeping = 0; 4133 } else { 4134 for (t = 0; t < to; t += 100) { 4135 if (isp->isp_osinfo.mboxcmd_done) 4136 break; 4137 ISP_RUN_ISR(isp); 4138 if (isp->isp_osinfo.mboxcmd_done) 4139 break; 4140 ISP_DELAY(100); 4141 } 4142 } 4143 if (isp->isp_osinfo.mboxcmd_done == 0) { 4144 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (%s:%d)", 4145 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 4146 isp->isp_lastmbxcmd, to, mbp->func, mbp->lineno); 4147 mbp->param[0] = MBOX_TIMEOUT; 4148 isp->isp_osinfo.mboxcmd_done = 1; 4149 } 4150 } 4151 4152 void 4153 isp_mbox_notify_done(ispsoftc_t *isp) 4154 { 4155 isp->isp_osinfo.mboxcmd_done = 1; 4156 if (isp->isp_osinfo.mbox_sleeping) 4157 wakeup(&isp->isp_osinfo.mboxcmd_done); 4158 } 4159 4160 void 4161 isp_mbox_release(ispsoftc_t *isp) 4162 { 4163 isp->isp_osinfo.mboxbsy = 0; 4164 } 4165 4166 int 4167 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 4168 { 4169 int ret = 0; 4170 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 4171 ret = -1; 4172 } else { 4173 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 4174 } 4175 return (ret); 4176 } 4177 4178 void 4179 isp_platform_intr(void *arg) 4180 { 4181 ispsoftc_t *isp = arg; 4182 4183 ISP_LOCK(isp); 4184 ISP_RUN_ISR(isp); 4185 ISP_UNLOCK(isp); 4186 } 4187 4188 void 4189 isp_platform_intr_resp(void *arg) 4190 { 4191 ispsoftc_t *isp = arg; 4192 4193 ISP_LOCK(isp); 4194 isp_intr_respq(isp); 4195 ISP_UNLOCK(isp); 4196 4197 /* We have handshake enabled, so explicitly complete interrupt */ 4198 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4199 } 4200 4201 void 4202 isp_platform_intr_atio(void *arg) 4203 { 4204 ispsoftc_t *isp = arg; 4205 4206 ISP_LOCK(isp); 4207 #ifdef ISP_TARGET_MODE 4208 isp_intr_atioq(isp); 4209 #endif 4210 ISP_UNLOCK(isp); 4211 4212 /* We have handshake enabled, so explicitly complete interrupt */ 4213 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4214 } 4215 4216 void 4217 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 4218 { 4219 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4220 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 4221 } else { 4222 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 4223 } 4224 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 4225 } 4226 4227 /* 4228 * Reset the command reference number for all LUNs on a specific target 4229 * (needed when a target arrives again) or for all targets on a port 4230 * (needed for events like a LIP). 4231 */ 4232 void 4233 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 4234 { 4235 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4236 struct isp_nexus *nxp; 4237 int i; 4238 4239 if (tgt_set == 0) 4240 isp_prt(isp, ISP_LOGDEBUG0, 4241 "Chan %d resetting CRN on all targets", chan); 4242 else 4243 isp_prt(isp, ISP_LOGDEBUG0, 4244 "Chan %d resetting CRN on target %u", chan, tgt); 4245 4246 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 4247 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 4248 if (tgt_set == 0 || tgt == nxp->tgt) 4249 nxp->crnseed = 0; 4250 } 4251 } 4252 } 4253 4254 int 4255 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 4256 { 4257 lun_id_t lun; 4258 uint32_t chan, tgt; 4259 struct isp_fc *fc; 4260 struct isp_nexus *nxp; 4261 int idx; 4262 4263 if (IS_2100(isp)) 4264 return (0); 4265 4266 chan = XS_CHANNEL(cmd); 4267 tgt = XS_TGT(cmd); 4268 lun = XS_LUN(cmd); 4269 fc = &isp->isp_osinfo.pc.fc[chan]; 4270 idx = NEXUS_HASH(tgt, lun); 4271 nxp = fc->nexus_hash[idx]; 4272 4273 while (nxp) { 4274 if (nxp->tgt == tgt && nxp->lun == lun) 4275 break; 4276 nxp = nxp->next; 4277 } 4278 if (nxp == NULL) { 4279 nxp = fc->nexus_free_list; 4280 if (nxp == NULL) { 4281 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 4282 if (nxp == NULL) { 4283 return (-1); 4284 } 4285 } else { 4286 fc->nexus_free_list = nxp->next; 4287 } 4288 nxp->tgt = tgt; 4289 nxp->lun = lun; 4290 nxp->next = fc->nexus_hash[idx]; 4291 fc->nexus_hash[idx] = nxp; 4292 } 4293 if (nxp->crnseed == 0) 4294 nxp->crnseed = 1; 4295 *crnp = nxp->crnseed++; 4296 return (0); 4297 } 4298 4299 /* 4300 * We enter with the lock held 4301 */ 4302 void 4303 isp_timer(void *arg) 4304 { 4305 ispsoftc_t *isp = arg; 4306 #ifdef ISP_TARGET_MODE 4307 isp_tmcmd_restart(isp); 4308 #endif 4309 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 4310 } 4311 4312 isp_ecmd_t * 4313 isp_get_ecmd(ispsoftc_t *isp) 4314 { 4315 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 4316 if (ecmd) { 4317 isp->isp_osinfo.ecmd_free = ecmd->next; 4318 } 4319 return (ecmd); 4320 } 4321 4322 void 4323 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 4324 { 4325 ecmd->next = isp->isp_osinfo.ecmd_free; 4326 isp->isp_osinfo.ecmd_free = ecmd; 4327 } 4328