1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009-2017 Alexander Motin <mav@FreeBSD.org> 5 * Copyright (c) 1997-2009 by Matthew Jacob 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters. 32 */ 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <dev/isp/isp_freebsd.h> 37 #include <sys/unistd.h> 38 #include <sys/kthread.h> 39 #include <sys/conf.h> 40 #include <sys/module.h> 41 #include <sys/ioccom.h> 42 #include <dev/isp/isp_ioctl.h> 43 #include <sys/devicestat.h> 44 #include <cam/cam_periph.h> 45 #include <cam/cam_xpt_periph.h> 46 47 MODULE_VERSION(isp, 1); 48 MODULE_DEPEND(isp, cam, 1, 1, 1); 49 int isp_announced = 0; 50 int isp_loop_down_limit = 60; /* default loop down limit */ 51 int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */ 52 int isp_gone_device_time = 30; /* grace time before reporting device lost */ 53 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 54 55 static void isp_freeze_loopdown(ispsoftc_t *, int); 56 static void isp_loop_changed(ispsoftc_t *isp, int chan); 57 static d_ioctl_t ispioctl; 58 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *); 59 static void isp_poll(struct cam_sim *); 60 static callout_func_t isp_watchdog; 61 static callout_func_t isp_gdt; 62 static task_fn_t isp_gdt_task; 63 static void isp_kthread(void *); 64 static void isp_action(struct cam_sim *, union ccb *); 65 static int isp_timer_count; 66 static void isp_timer(void *); 67 68 static struct cdevsw isp_cdevsw = { 69 .d_version = D_VERSION, 70 .d_ioctl = ispioctl, 71 .d_name = "isp", 72 }; 73 74 static int 75 isp_role_sysctl(SYSCTL_HANDLER_ARGS) 76 { 77 ispsoftc_t *isp = (ispsoftc_t *)arg1; 78 int chan = arg2; 79 int error, old, value; 80 81 value = FCPARAM(isp, chan)->role; 82 83 error = sysctl_handle_int(oidp, &value, 0, req); 84 if ((error != 0) || (req->newptr == NULL)) 85 return (error); 86 87 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 88 return (EINVAL); 89 90 ISP_LOCK(isp); 91 old = FCPARAM(isp, chan)->role; 92 93 /* We don't allow target mode switch from here. */ 94 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 95 96 /* If nothing has changed -- we are done. */ 97 if (value == old) { 98 ISP_UNLOCK(isp); 99 return (0); 100 } 101 102 /* Actually change the role. */ 103 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 104 ISP_UNLOCK(isp); 105 return (error); 106 } 107 108 static int 109 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 110 { 111 struct ccb_setasync csa; 112 struct cam_sim *sim; 113 struct cam_path *path; 114 #ifdef ISP_TARGET_MODE 115 int i; 116 #endif 117 118 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 119 device_get_unit(isp->isp_dev), &isp->isp_lock, 120 isp->isp_maxcmds, isp->isp_maxcmds, devq); 121 if (sim == NULL) 122 return (ENOMEM); 123 124 ISP_LOCK(isp); 125 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 126 ISP_UNLOCK(isp); 127 cam_sim_free(sim, FALSE); 128 return (EIO); 129 } 130 ISP_UNLOCK(isp); 131 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 132 ISP_LOCK(isp); 133 xpt_bus_deregister(cam_sim_path(sim)); 134 ISP_UNLOCK(isp); 135 cam_sim_free(sim, FALSE); 136 return (ENXIO); 137 } 138 xpt_setup_ccb(&csa.ccb_h, path, 5); 139 csa.ccb_h.func_code = XPT_SASYNC_CB; 140 csa.event_enable = AC_LOST_DEVICE; 141 csa.callback = isp_cam_async; 142 csa.callback_arg = sim; 143 144 ISP_LOCK(isp); 145 xpt_action((union ccb *)&csa); 146 ISP_UNLOCK(isp); 147 148 if (IS_SCSI(isp)) { 149 struct isp_spi *spi = ISP_SPI_PC(isp, chan); 150 spi->sim = sim; 151 spi->path = path; 152 #ifdef ISP_TARGET_MODE 153 TAILQ_INIT(&spi->waitq); 154 STAILQ_INIT(&spi->ntfree); 155 for (i = 0; i < ATPDPSIZE; i++) 156 STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next); 157 LIST_INIT(&spi->atfree); 158 for (i = ATPDPSIZE-1; i >= 0; i--) 159 LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next); 160 for (i = 0; i < ATPDPHASHSIZE; i++) 161 LIST_INIT(&spi->atused[i]); 162 #endif 163 } else { 164 fcparam *fcp = FCPARAM(isp, chan); 165 struct isp_fc *fc = ISP_FC_PC(isp, chan); 166 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 167 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 168 char name[16]; 169 170 ISP_LOCK(isp); 171 fc->sim = sim; 172 fc->path = path; 173 fc->isp = isp; 174 fc->ready = 1; 175 fcp->isp_use_gft_id = 1; 176 fcp->isp_use_gff_id = 1; 177 178 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0); 179 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 180 #ifdef ISP_TARGET_MODE 181 TAILQ_INIT(&fc->waitq); 182 STAILQ_INIT(&fc->ntfree); 183 for (i = 0; i < ATPDPSIZE; i++) 184 STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next); 185 LIST_INIT(&fc->atfree); 186 for (i = ATPDPSIZE-1; i >= 0; i--) 187 LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next); 188 for (i = 0; i < ATPDPHASHSIZE; i++) 189 LIST_INIT(&fc->atused[i]); 190 #endif 191 isp_loop_changed(isp, chan); 192 ISP_UNLOCK(isp); 193 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0, 194 "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 195 xpt_free_path(fc->path); 196 ISP_LOCK(isp); 197 xpt_bus_deregister(cam_sim_path(fc->sim)); 198 ISP_UNLOCK(isp); 199 cam_sim_free(fc->sim, FALSE); 200 return (ENOMEM); 201 } 202 fc->num_threads += 1; 203 if (chan > 0) { 204 snprintf(name, sizeof(name), "chan%d", chan); 205 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 206 OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 207 "Virtual channel"); 208 } 209 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 210 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 211 "World Wide Node Name"); 212 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 213 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 214 "World Wide Port Name"); 215 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 216 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 217 "Loop Down Limit"); 218 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 219 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 220 "Gone Device Time"); 221 #if defined(ISP_TARGET_MODE) && defined(DEBUG) 222 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 223 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 224 "Cause a Lost Frame on a Read"); 225 #endif 226 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 227 "role", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 228 isp, chan, isp_role_sysctl, "I", "Current role"); 229 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 230 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 231 "Connection speed in gigabits"); 232 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 233 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 234 "Link state"); 235 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 236 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 237 "Firmware state"); 238 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 239 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 240 "Loop state"); 241 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 242 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 243 "Connection topology"); 244 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 245 "use_gft_id", CTLFLAG_RWTUN, &fcp->isp_use_gft_id, 0, 246 "Use GFT_ID during fabric scan"); 247 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 248 "use_gff_id", CTLFLAG_RWTUN, &fcp->isp_use_gff_id, 0, 249 "Use GFF_ID during fabric scan"); 250 } 251 return (0); 252 } 253 254 static void 255 isp_detach_chan(ispsoftc_t *isp, int chan) 256 { 257 struct cam_sim *sim; 258 struct cam_path *path; 259 struct ccb_setasync csa; 260 int *num_threads; 261 262 ISP_GET_PC(isp, chan, sim, sim); 263 ISP_GET_PC(isp, chan, path, path); 264 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 265 266 xpt_setup_ccb(&csa.ccb_h, path, 5); 267 csa.ccb_h.func_code = XPT_SASYNC_CB; 268 csa.event_enable = 0; 269 csa.callback = isp_cam_async; 270 csa.callback_arg = sim; 271 xpt_action((union ccb *)&csa); 272 xpt_free_path(path); 273 xpt_bus_deregister(cam_sim_path(sim)); 274 cam_sim_free(sim, FALSE); 275 276 /* Wait for the channel's spawned threads to exit. */ 277 wakeup(isp->isp_osinfo.pc.ptr); 278 while (*num_threads != 0) 279 mtx_sleep(isp, &isp->isp_lock, PRIBIO, "isp_reap", 100); 280 } 281 282 int 283 isp_attach(ispsoftc_t *isp) 284 { 285 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 286 int du = device_get_unit(isp->isp_dev); 287 int chan; 288 289 /* 290 * Create the device queue for our SIM(s). 291 */ 292 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 293 if (isp->isp_osinfo.devq == NULL) { 294 return (EIO); 295 } 296 297 for (chan = 0; chan < isp->isp_nchan; chan++) { 298 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 299 goto unwind; 300 } 301 } 302 303 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0); 304 isp_timer_count = hz >> 2; 305 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 306 307 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 308 if (isp->isp_osinfo.cdev) { 309 isp->isp_osinfo.cdev->si_drv1 = isp; 310 } 311 return (0); 312 313 unwind: 314 while (--chan >= 0) { 315 struct cam_sim *sim; 316 struct cam_path *path; 317 318 ISP_GET_PC(isp, chan, sim, sim); 319 ISP_GET_PC(isp, chan, path, path); 320 xpt_free_path(path); 321 ISP_LOCK(isp); 322 xpt_bus_deregister(cam_sim_path(sim)); 323 ISP_UNLOCK(isp); 324 cam_sim_free(sim, FALSE); 325 } 326 cam_simq_free(isp->isp_osinfo.devq); 327 isp->isp_osinfo.devq = NULL; 328 return (-1); 329 } 330 331 int 332 isp_detach(ispsoftc_t *isp) 333 { 334 int chan; 335 336 if (isp->isp_osinfo.cdev) { 337 destroy_dev(isp->isp_osinfo.cdev); 338 isp->isp_osinfo.cdev = NULL; 339 } 340 ISP_LOCK(isp); 341 /* Tell spawned threads that we're exiting. */ 342 isp->isp_osinfo.is_exiting = 1; 343 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 344 isp_detach_chan(isp, chan); 345 ISP_UNLOCK(isp); 346 callout_drain(&isp->isp_osinfo.tmo); 347 cam_simq_free(isp->isp_osinfo.devq); 348 return (0); 349 } 350 351 static void 352 isp_freeze_loopdown(ispsoftc_t *isp, int chan) 353 { 354 struct isp_fc *fc = ISP_FC_PC(isp, chan); 355 356 if (fc->sim == NULL) 357 return; 358 if (fc->simqfrozen == 0) { 359 isp_prt(isp, ISP_LOGDEBUG0, 360 "Chan %d Freeze simq (loopdown)", chan); 361 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 362 xpt_hold_boot(); 363 xpt_freeze_simq(fc->sim, 1); 364 } else { 365 isp_prt(isp, ISP_LOGDEBUG0, 366 "Chan %d Mark simq frozen (loopdown)", chan); 367 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 368 } 369 } 370 371 static void 372 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 373 { 374 struct isp_fc *fc = ISP_FC_PC(isp, chan); 375 376 if (fc->sim == NULL) 377 return; 378 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 379 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 380 if (wasfrozen && fc->simqfrozen == 0) { 381 isp_prt(isp, ISP_LOGDEBUG0, 382 "Chan %d Release simq", chan); 383 xpt_release_simq(fc->sim, 1); 384 xpt_release_boot(); 385 } 386 } 387 388 static int 389 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 390 { 391 ispsoftc_t *isp; 392 int nr, chan, retval = ENOTTY; 393 394 isp = dev->si_drv1; 395 396 switch (c) { 397 case ISP_SDBLEV: 398 { 399 int olddblev = isp->isp_dblev; 400 isp->isp_dblev = *(int *)addr; 401 *(int *)addr = olddblev; 402 retval = 0; 403 break; 404 } 405 case ISP_GETROLE: 406 chan = *(int *)addr; 407 if (chan < 0 || chan >= isp->isp_nchan) { 408 retval = -ENXIO; 409 break; 410 } 411 if (IS_FC(isp)) { 412 *(int *)addr = FCPARAM(isp, chan)->role; 413 } else { 414 *(int *)addr = ISP_ROLE_INITIATOR; 415 } 416 retval = 0; 417 break; 418 case ISP_SETROLE: 419 if (IS_SCSI(isp)) 420 break; 421 nr = *(int *)addr; 422 chan = nr >> 8; 423 if (chan < 0 || chan >= isp->isp_nchan) { 424 retval = -ENXIO; 425 break; 426 } 427 nr &= 0xff; 428 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 429 retval = EINVAL; 430 break; 431 } 432 ISP_LOCK(isp); 433 *(int *)addr = FCPARAM(isp, chan)->role; 434 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 435 ISP_UNLOCK(isp); 436 retval = 0; 437 break; 438 439 case ISP_RESETHBA: 440 ISP_LOCK(isp); 441 isp_reinit(isp, 0); 442 ISP_UNLOCK(isp); 443 retval = 0; 444 break; 445 446 case ISP_RESCAN: 447 if (IS_FC(isp)) { 448 chan = *(intptr_t *)addr; 449 if (chan < 0 || chan >= isp->isp_nchan) { 450 retval = -ENXIO; 451 break; 452 } 453 ISP_LOCK(isp); 454 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 455 retval = EIO; 456 } else { 457 retval = 0; 458 } 459 ISP_UNLOCK(isp); 460 } 461 break; 462 463 case ISP_FC_LIP: 464 if (IS_FC(isp)) { 465 chan = *(intptr_t *)addr; 466 if (chan < 0 || chan >= isp->isp_nchan) { 467 retval = -ENXIO; 468 break; 469 } 470 ISP_LOCK(isp); 471 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 472 retval = EIO; 473 } else { 474 retval = 0; 475 } 476 ISP_UNLOCK(isp); 477 } 478 break; 479 case ISP_FC_GETDINFO: 480 { 481 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 482 fcportdb_t *lp; 483 484 if (IS_SCSI(isp)) { 485 break; 486 } 487 if (ifc->loopid >= MAX_FC_TARG) { 488 retval = EINVAL; 489 break; 490 } 491 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 492 if (lp->state != FC_PORTDB_STATE_NIL) { 493 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 494 ifc->loopid = lp->handle; 495 ifc->portid = lp->portid; 496 ifc->node_wwn = lp->node_wwn; 497 ifc->port_wwn = lp->port_wwn; 498 retval = 0; 499 } else { 500 retval = ENODEV; 501 } 502 break; 503 } 504 case ISP_FC_GETHINFO: 505 { 506 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 507 int chan = hba->fc_channel; 508 509 if (chan < 0 || chan >= isp->isp_nchan) { 510 retval = ENXIO; 511 break; 512 } 513 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 514 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 515 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 516 hba->fc_nchannels = isp->isp_nchan; 517 if (IS_FC(isp)) { 518 hba->fc_nports = MAX_FC_TARG; 519 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 520 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 521 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 522 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 523 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 524 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 525 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 526 } else { 527 hba->fc_nports = MAX_TARGETS; 528 hba->fc_speed = 0; 529 hba->fc_topology = 0; 530 hba->nvram_node_wwn = 0ull; 531 hba->nvram_port_wwn = 0ull; 532 hba->active_node_wwn = 0ull; 533 hba->active_port_wwn = 0ull; 534 } 535 retval = 0; 536 break; 537 } 538 case ISP_TSK_MGMT: 539 { 540 int needmarker; 541 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 542 uint16_t nphdl; 543 mbreg_t mbs; 544 545 if (IS_SCSI(isp)) { 546 break; 547 } 548 549 chan = fct->chan; 550 if (chan < 0 || chan >= isp->isp_nchan) { 551 retval = -ENXIO; 552 break; 553 } 554 555 needmarker = retval = 0; 556 nphdl = fct->loopid; 557 ISP_LOCK(isp); 558 if (IS_24XX(isp)) { 559 void *reqp; 560 uint8_t resp[QENTRY_LEN]; 561 isp24xx_tmf_t tmf; 562 isp24xx_statusreq_t sp; 563 fcparam *fcp = FCPARAM(isp, chan); 564 fcportdb_t *lp; 565 int i; 566 567 for (i = 0; i < MAX_FC_TARG; i++) { 568 lp = &fcp->portdb[i]; 569 if (lp->handle == nphdl) { 570 break; 571 } 572 } 573 if (i == MAX_FC_TARG) { 574 retval = ENXIO; 575 ISP_UNLOCK(isp); 576 break; 577 } 578 ISP_MEMZERO(&tmf, sizeof(tmf)); 579 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 580 tmf.tmf_header.rqs_entry_count = 1; 581 tmf.tmf_nphdl = lp->handle; 582 tmf.tmf_delay = 2; 583 tmf.tmf_timeout = 4; 584 tmf.tmf_tidlo = lp->portid; 585 tmf.tmf_tidhi = lp->portid >> 16; 586 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 587 tmf.tmf_lun[1] = fct->lun & 0xff; 588 if (fct->lun >= 256) { 589 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 590 } 591 switch (fct->action) { 592 case IPT_CLEAR_ACA: 593 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 594 break; 595 case IPT_TARGET_RESET: 596 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 597 needmarker = 1; 598 break; 599 case IPT_LUN_RESET: 600 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 601 needmarker = 1; 602 break; 603 case IPT_CLEAR_TASK_SET: 604 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 605 needmarker = 1; 606 break; 607 case IPT_ABORT_TASK_SET: 608 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 609 needmarker = 1; 610 break; 611 default: 612 retval = EINVAL; 613 break; 614 } 615 if (retval) { 616 ISP_UNLOCK(isp); 617 break; 618 } 619 620 /* Prepare space for response in memory */ 621 memset(resp, 0xff, sizeof(resp)); 622 tmf.tmf_handle = isp_allocate_handle(isp, resp, 623 ISP_HANDLE_CTRL); 624 if (tmf.tmf_handle == 0) { 625 isp_prt(isp, ISP_LOGERR, 626 "%s: TMF of Chan %d out of handles", 627 __func__, chan); 628 ISP_UNLOCK(isp); 629 retval = ENOMEM; 630 break; 631 } 632 633 /* Send request and wait for response. */ 634 reqp = isp_getrqentry(isp); 635 if (reqp == NULL) { 636 isp_prt(isp, ISP_LOGERR, 637 "%s: TMF of Chan %d out of rqent", 638 __func__, chan); 639 isp_destroy_handle(isp, tmf.tmf_handle); 640 ISP_UNLOCK(isp); 641 retval = EIO; 642 break; 643 } 644 isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp); 645 if (isp->isp_dblev & ISP_LOGDEBUG1) 646 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp); 647 ISP_SYNC_REQUEST(isp); 648 if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) { 649 isp_prt(isp, ISP_LOGERR, 650 "%s: TMF of Chan %d timed out", 651 __func__, chan); 652 isp_destroy_handle(isp, tmf.tmf_handle); 653 ISP_UNLOCK(isp); 654 retval = EIO; 655 break; 656 } 657 if (isp->isp_dblev & ISP_LOGDEBUG1) 658 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp); 659 isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp); 660 661 if (sp.req_completion_status != 0) 662 retval = EIO; 663 else if (needmarker) 664 fcp->sendmarker = 1; 665 } else { 666 MBSINIT(&mbs, 0, MBLOGALL, 0); 667 if (ISP_CAP_2KLOGIN(isp) == 0) { 668 nphdl <<= 8; 669 } 670 switch (fct->action) { 671 case IPT_CLEAR_ACA: 672 mbs.param[0] = MBOX_CLEAR_ACA; 673 mbs.param[1] = nphdl; 674 mbs.param[2] = fct->lun; 675 break; 676 case IPT_TARGET_RESET: 677 mbs.param[0] = MBOX_TARGET_RESET; 678 mbs.param[1] = nphdl; 679 needmarker = 1; 680 break; 681 case IPT_LUN_RESET: 682 mbs.param[0] = MBOX_LUN_RESET; 683 mbs.param[1] = nphdl; 684 mbs.param[2] = fct->lun; 685 needmarker = 1; 686 break; 687 case IPT_CLEAR_TASK_SET: 688 mbs.param[0] = MBOX_CLEAR_TASK_SET; 689 mbs.param[1] = nphdl; 690 mbs.param[2] = fct->lun; 691 needmarker = 1; 692 break; 693 case IPT_ABORT_TASK_SET: 694 mbs.param[0] = MBOX_ABORT_TASK_SET; 695 mbs.param[1] = nphdl; 696 mbs.param[2] = fct->lun; 697 needmarker = 1; 698 break; 699 default: 700 retval = EINVAL; 701 break; 702 } 703 if (retval == 0) { 704 if (needmarker) { 705 FCPARAM(isp, chan)->sendmarker = 1; 706 } 707 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 708 if (retval) { 709 retval = EIO; 710 } 711 } 712 } 713 ISP_UNLOCK(isp); 714 break; 715 } 716 default: 717 break; 718 } 719 return (retval); 720 } 721 722 /* 723 * Local Inlines 724 */ 725 726 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 727 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 728 729 static ISP_INLINE int 730 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 731 { 732 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 733 if (ISP_PCMD(ccb) == NULL) { 734 return (-1); 735 } 736 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 737 return (0); 738 } 739 740 static ISP_INLINE void 741 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 742 { 743 if (ISP_PCMD(ccb)) { 744 #ifdef ISP_TARGET_MODE 745 PISP_PCMD(ccb)->datalen = 0; 746 #endif 747 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 748 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 749 ISP_PCMD(ccb) = NULL; 750 } 751 } 752 753 /* 754 * Put the target mode functions here, because some are inlines 755 */ 756 #ifdef ISP_TARGET_MODE 757 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 758 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 759 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 760 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 761 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 762 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 763 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 764 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 765 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 766 static void isp_enable_lun(ispsoftc_t *, union ccb *); 767 static void isp_disable_lun(ispsoftc_t *, union ccb *); 768 static callout_func_t isp_refire_putback_atio; 769 static callout_func_t isp_refire_notify_ack; 770 static void isp_complete_ctio(union ccb *); 771 static void isp_target_putback_atio(union ccb *); 772 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 773 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 774 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 775 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 776 static void isp_handle_platform_ctio(ispsoftc_t *, void *); 777 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 778 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 779 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 780 781 static ISP_INLINE tstate_t * 782 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 783 { 784 tstate_t *tptr = NULL; 785 struct tslist *lhp; 786 787 if (bus < isp->isp_nchan) { 788 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 789 SLIST_FOREACH(tptr, lhp, next) { 790 if (tptr->ts_lun == lun) 791 return (tptr); 792 } 793 } 794 return (NULL); 795 } 796 797 static int 798 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 799 { 800 inot_private_data_t *ntp; 801 struct ntpdlist rq; 802 803 if (STAILQ_EMPTY(&tptr->restart_queue)) 804 return (0); 805 STAILQ_INIT(&rq); 806 STAILQ_CONCAT(&rq, &tptr->restart_queue); 807 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 808 STAILQ_REMOVE_HEAD(&rq, next); 809 if (IS_24XX(isp)) { 810 isp_prt(isp, ISP_LOGTDEBUG0, 811 "%s: restarting resrc deprived %x", __func__, 812 ((at7_entry_t *)ntp->data)->at_rxid); 813 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 814 } else { 815 isp_prt(isp, ISP_LOGTDEBUG0, 816 "%s: restarting resrc deprived %x", __func__, 817 ((at2_entry_t *)ntp->data)->at_rxid); 818 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data); 819 } 820 isp_put_ntpd(isp, bus, ntp); 821 if (!STAILQ_EMPTY(&tptr->restart_queue)) 822 break; 823 } 824 if (!STAILQ_EMPTY(&rq)) { 825 STAILQ_CONCAT(&rq, &tptr->restart_queue); 826 STAILQ_CONCAT(&tptr->restart_queue, &rq); 827 } 828 return (!STAILQ_EMPTY(&tptr->restart_queue)); 829 } 830 831 static void 832 isp_tmcmd_restart(ispsoftc_t *isp) 833 { 834 tstate_t *tptr; 835 union ccb *ccb; 836 struct tslist *lhp; 837 struct isp_ccbq *waitq; 838 int bus, i; 839 840 for (bus = 0; bus < isp->isp_nchan; bus++) { 841 for (i = 0; i < LUN_HASH_SIZE; i++) { 842 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 843 SLIST_FOREACH(tptr, lhp, next) 844 isp_atio_restart(isp, bus, tptr); 845 } 846 847 /* 848 * We only need to do this once per channel. 849 */ 850 ISP_GET_PC_ADDR(isp, bus, waitq, waitq); 851 ccb = (union ccb *)TAILQ_FIRST(waitq); 852 if (ccb != NULL) { 853 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 854 isp_target_start_ctio(isp, ccb, FROM_TIMER); 855 } 856 } 857 } 858 859 static atio_private_data_t * 860 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 861 { 862 struct atpdlist *atfree; 863 struct atpdlist *atused; 864 atio_private_data_t *atp; 865 866 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 867 atp = LIST_FIRST(atfree); 868 if (atp) { 869 LIST_REMOVE(atp, next); 870 atp->tag = tag; 871 ISP_GET_PC(isp, chan, atused, atused); 872 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next); 873 } 874 return (atp); 875 } 876 877 static atio_private_data_t * 878 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 879 { 880 struct atpdlist *atused; 881 atio_private_data_t *atp; 882 883 ISP_GET_PC(isp, chan, atused, atused); 884 LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) { 885 if (atp->tag == tag) 886 return (atp); 887 } 888 return (NULL); 889 } 890 891 static void 892 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 893 { 894 struct atpdlist *atfree; 895 896 if (atp->ests) { 897 isp_put_ecmd(isp, atp->ests); 898 } 899 LIST_REMOVE(atp, next); 900 memset(atp, 0, sizeof (*atp)); 901 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 902 LIST_INSERT_HEAD(atfree, atp, next); 903 } 904 905 static void 906 isp_dump_atpd(ispsoftc_t *isp, int chan) 907 { 908 atio_private_data_t *atp, *atpool; 909 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 910 911 ISP_GET_PC(isp, chan, atpool, atpool); 912 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 913 if (atp->state == ATPD_STATE_FREE) 914 continue; 915 isp_prt(isp, ISP_LOGALL, "Chan %d ATP [0x%x] origdlen %u bytes_xfrd %u lun %jx nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s", 916 chan, atp->tag, atp->orig_datalen, atp->bytes_xfered, (uintmax_t)atp->lun, atp->nphdl, atp->sid, atp->did, atp->oxid, states[atp->state & 0x7]); 917 } 918 } 919 920 static inot_private_data_t * 921 isp_get_ntpd(ispsoftc_t *isp, int chan) 922 { 923 struct ntpdlist *ntfree; 924 inot_private_data_t *ntp; 925 926 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 927 ntp = STAILQ_FIRST(ntfree); 928 if (ntp) 929 STAILQ_REMOVE_HEAD(ntfree, next); 930 return (ntp); 931 } 932 933 static inot_private_data_t * 934 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 935 { 936 inot_private_data_t *ntp, *ntp2; 937 938 ISP_GET_PC(isp, chan, ntpool, ntp); 939 ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2); 940 for (; ntp < ntp2; ntp++) { 941 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 942 return (ntp); 943 } 944 return (NULL); 945 } 946 947 static void 948 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 949 { 950 struct ntpdlist *ntfree; 951 952 ntp->tag_id = ntp->seq_id = 0; 953 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 954 STAILQ_INSERT_HEAD(ntfree, ntp, next); 955 } 956 957 static cam_status 958 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 959 { 960 lun_id_t lun; 961 struct tslist *lhp; 962 tstate_t *tptr; 963 964 lun = xpt_path_lun_id(path); 965 if (lun != CAM_LUN_WILDCARD) { 966 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) { 967 return (CAM_LUN_INVALID); 968 } 969 } 970 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 971 if (tptr == NULL) { 972 return (CAM_RESRC_UNAVAIL); 973 } 974 tptr->ts_lun = lun; 975 SLIST_INIT(&tptr->atios); 976 SLIST_INIT(&tptr->inots); 977 STAILQ_INIT(&tptr->restart_queue); 978 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 979 SLIST_INSERT_HEAD(lhp, tptr, next); 980 *rslt = tptr; 981 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 982 return (CAM_REQ_CMP); 983 } 984 985 static void 986 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 987 { 988 union ccb *ccb; 989 struct tslist *lhp; 990 inot_private_data_t *ntp; 991 992 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 993 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 994 ccb->ccb_h.status = CAM_REQ_ABORTED; 995 xpt_done(ccb); 996 }; 997 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 998 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 999 ccb->ccb_h.status = CAM_REQ_ABORTED; 1000 xpt_done(ccb); 1001 } 1002 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 1003 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 1004 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 1005 isp_put_ntpd(isp, bus, ntp); 1006 } 1007 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 1008 SLIST_REMOVE(lhp, tptr, tstate, next); 1009 free(tptr, M_DEVBUF); 1010 } 1011 1012 static void 1013 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1014 { 1015 tstate_t *tptr; 1016 int bus; 1017 target_id_t target; 1018 lun_id_t lun; 1019 1020 if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) { 1021 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n"); 1022 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1023 xpt_done(ccb); 1024 return; 1025 } 1026 1027 /* 1028 * We only support either target and lun both wildcard 1029 * or target and lun both non-wildcard. 1030 */ 1031 bus = XS_CHANNEL(ccb); 1032 target = ccb->ccb_h.target_id; 1033 lun = ccb->ccb_h.target_lun; 1034 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1035 "enabling lun %jx\n", (uintmax_t)lun); 1036 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1037 ccb->ccb_h.status = CAM_LUN_INVALID; 1038 xpt_done(ccb); 1039 return; 1040 } 1041 1042 /* Create the state pointer. It should not already exist. */ 1043 tptr = get_lun_statep(isp, bus, lun); 1044 if (tptr) { 1045 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1046 xpt_done(ccb); 1047 return; 1048 } 1049 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1050 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1051 xpt_done(ccb); 1052 return; 1053 } 1054 1055 ccb->ccb_h.status = CAM_REQ_CMP; 1056 xpt_done(ccb); 1057 } 1058 1059 static void 1060 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1061 { 1062 tstate_t *tptr = NULL; 1063 int bus; 1064 target_id_t target; 1065 lun_id_t lun; 1066 1067 bus = XS_CHANNEL(ccb); 1068 target = ccb->ccb_h.target_id; 1069 lun = ccb->ccb_h.target_lun; 1070 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1071 "disabling lun %jx\n", (uintmax_t)lun); 1072 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1073 ccb->ccb_h.status = CAM_LUN_INVALID; 1074 xpt_done(ccb); 1075 return; 1076 } 1077 1078 /* Find the state pointer. */ 1079 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1080 ccb->ccb_h.status = CAM_PATH_INVALID; 1081 xpt_done(ccb); 1082 return; 1083 } 1084 1085 destroy_lun_state(isp, bus, tptr); 1086 ccb->ccb_h.status = CAM_REQ_CMP; 1087 xpt_done(ccb); 1088 } 1089 1090 static void 1091 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1092 { 1093 int fctape, sendstatus, resid; 1094 fcparam *fcp; 1095 atio_private_data_t *atp; 1096 struct ccb_scsiio *cso; 1097 struct isp_ccbq *waitq; 1098 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1099 uint8_t local[QENTRY_LEN]; 1100 1101 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ENTRY[0x%x] how %u xfrlen %u sendstatus %d sense_len %u", __func__, ccb->csio.tag_id, how, ccb->csio.dxfer_len, 1102 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1103 1104 ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq); 1105 switch (how) { 1106 case FROM_CAM: 1107 /* 1108 * Insert at the tail of the list, if any, waiting CTIO CCBs 1109 */ 1110 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 1111 break; 1112 case FROM_TIMER: 1113 case FROM_SRR: 1114 case FROM_CTIO_DONE: 1115 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1116 break; 1117 } 1118 1119 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 1120 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 1121 1122 cso = &ccb->csio; 1123 xfrlen = cso->dxfer_len; 1124 if (xfrlen == 0) { 1125 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1126 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1127 ccb->ccb_h.status = CAM_REQ_INVALID; 1128 xpt_done(ccb); 1129 continue; 1130 } 1131 } 1132 1133 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 1134 if (atp == NULL) { 1135 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1136 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 1137 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1138 xpt_done(ccb); 1139 continue; 1140 } 1141 1142 /* 1143 * Is this command a dead duck? 1144 */ 1145 if (atp->dead) { 1146 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1147 ccb->ccb_h.status = CAM_REQ_ABORTED; 1148 xpt_done(ccb); 1149 continue; 1150 } 1151 1152 /* 1153 * Check to make sure we're still in target mode. 1154 */ 1155 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1156 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1157 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1158 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1159 xpt_done(ccb); 1160 continue; 1161 } 1162 1163 /* 1164 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1165 * could be split into two CTIOs to split data and status). 1166 */ 1167 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1168 isp_prt(isp, ISP_LOGTINFO, "[0x%x] handling only %d CCBs at a time (flags for this ccb: 0x%x)", cso->tag_id, ATPD_CCB_OUTSTANDING, ccb->ccb_h.flags); 1169 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1170 break; 1171 } 1172 1173 /* 1174 * Does the initiator expect FC-Tape style responses? 1175 */ 1176 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1177 fctape = 1; 1178 } else { 1179 fctape = 0; 1180 } 1181 1182 /* 1183 * If we already did the data xfer portion of a CTIO that sends data 1184 * and status, don't do it again and do the status portion now. 1185 */ 1186 if (atp->sendst) { 1187 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1188 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1189 xfrlen = 0; /* we already did the data transfer */ 1190 atp->sendst = 0; 1191 } 1192 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1193 sendstatus = 1; 1194 } else { 1195 sendstatus = 0; 1196 } 1197 1198 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1199 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1200 /* 1201 * Sense length is not the entire sense data structure size. Periph 1202 * drivers don't seem to be setting sense_len to reflect the actual 1203 * size. We'll peek inside to get the right amount. 1204 */ 1205 sense_length = cso->sense_len; 1206 1207 /* 1208 * This 'cannot' happen 1209 */ 1210 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1211 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1212 } 1213 } else { 1214 sense_length = 0; 1215 } 1216 1217 memset(local, 0, QENTRY_LEN); 1218 1219 /* 1220 * Check for overflow 1221 */ 1222 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1223 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1224 isp_prt(isp, ISP_LOGERR, 1225 "%s: [0x%x] data overflow by %u bytes", __func__, 1226 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1227 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1228 xpt_done(ccb); 1229 continue; 1230 } 1231 if (xfrlen > atp->orig_datalen - tmp) { 1232 xfrlen = atp->orig_datalen - tmp; 1233 if (xfrlen == 0 && !sendstatus) { 1234 cso->resid = cso->dxfer_len; 1235 ccb->ccb_h.status = CAM_REQ_CMP; 1236 xpt_done(ccb); 1237 continue; 1238 } 1239 } 1240 1241 if (IS_24XX(isp)) { 1242 ct7_entry_t *cto = (ct7_entry_t *) local; 1243 1244 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1245 cto->ct_header.rqs_entry_count = 1; 1246 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1247 ATPD_SET_SEQNO(cto, atp); 1248 cto->ct_nphdl = atp->nphdl; 1249 cto->ct_rxid = atp->tag; 1250 cto->ct_iid_lo = atp->sid; 1251 cto->ct_iid_hi = atp->sid >> 16; 1252 cto->ct_oxid = atp->oxid; 1253 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1254 cto->ct_timeout = XS_TIME(ccb); 1255 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1256 1257 /* 1258 * Mode 1, status, no data. Only possible when we are sending status, have 1259 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1260 * 1261 * Mode 2, status, no data. We have to use this in the case that 1262 * the sense data won't fit into a ct7_entry_t. 1263 * 1264 */ 1265 if (sendstatus && xfrlen == 0) { 1266 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1267 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1268 if (sense_length <= MAXRESPLEN_24XX) { 1269 cto->ct_flags |= CT7_FLAG_MODE1; 1270 cto->ct_scsi_status = cso->scsi_status; 1271 if (resid < 0) { 1272 cto->ct_resid = -resid; 1273 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1274 } else if (resid > 0) { 1275 cto->ct_resid = resid; 1276 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1277 } 1278 if (fctape) { 1279 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1280 } 1281 if (sense_length) { 1282 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1283 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1284 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1285 } 1286 } else { 1287 bus_addr_t addr; 1288 char buf[XCMD_SIZE]; 1289 fcp_rsp_iu_t *rp; 1290 1291 if (atp->ests == NULL) { 1292 atp->ests = isp_get_ecmd(isp); 1293 if (atp->ests == NULL) { 1294 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1295 break; 1296 } 1297 } 1298 memset(buf, 0, sizeof (buf)); 1299 rp = (fcp_rsp_iu_t *)buf; 1300 if (fctape) { 1301 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1302 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1303 } 1304 cto->ct_flags |= CT7_FLAG_MODE2; 1305 rp->fcp_rsp_scsi_status = cso->scsi_status; 1306 if (resid < 0) { 1307 rp->fcp_rsp_resid = -resid; 1308 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1309 } else if (resid > 0) { 1310 rp->fcp_rsp_resid = resid; 1311 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1312 } 1313 if (sense_length) { 1314 rp->fcp_rsp_snslen = sense_length; 1315 cto->ct_senselen = sense_length; 1316 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1317 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1318 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1319 } else { 1320 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1321 } 1322 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1323 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1324 } 1325 addr = isp->isp_osinfo.ecmd_dma; 1326 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1327 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests, 1328 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1329 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1330 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1331 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1332 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1333 } 1334 if (sense_length) { 1335 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d slen %u sense: %x %x/%x/%x", __func__, 1336 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid, sense_length, 1337 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1338 } else { 1339 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1340 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1341 } 1342 atp->state = ATPD_STATE_LAST_CTIO; 1343 } 1344 1345 /* 1346 * Mode 0 data transfers, *possibly* with status. 1347 */ 1348 if (xfrlen != 0) { 1349 cto->ct_flags |= CT7_FLAG_MODE0; 1350 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1351 cto->ct_flags |= CT7_DATA_IN; 1352 } else { 1353 cto->ct_flags |= CT7_DATA_OUT; 1354 } 1355 1356 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1357 cto->rsp.m0.ct_xfrlen = xfrlen; 1358 1359 #ifdef DEBUG 1360 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1361 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1362 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1363 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1364 } 1365 #endif 1366 if (sendstatus) { 1367 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1368 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1369 cto->ct_flags |= CT7_SENDSTATUS; 1370 atp->state = ATPD_STATE_LAST_CTIO; 1371 if (fctape) { 1372 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1373 } 1374 } else { 1375 atp->sendst = 1; /* send status later */ 1376 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1377 atp->state = ATPD_STATE_CTIO; 1378 } 1379 } else { 1380 atp->state = ATPD_STATE_CTIO; 1381 } 1382 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x xfrlen=%u off=%u", __func__, 1383 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1384 } 1385 } else { 1386 ct2_entry_t *cto = (ct2_entry_t *) local; 1387 1388 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1389 cto->ct_header.rqs_entry_count = 1; 1390 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1391 ATPD_SET_SEQNO(cto, atp); 1392 if (ISP_CAP_2KLOGIN(isp)) { 1393 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl; 1394 } else { 1395 cto->ct_iid = atp->nphdl; 1396 if (ISP_CAP_SCCFW(isp) == 0) { 1397 cto->ct_lun = ccb->ccb_h.target_lun; 1398 } 1399 } 1400 cto->ct_timeout = XS_TIME(ccb); 1401 cto->ct_rxid = cso->tag_id; 1402 1403 /* 1404 * Mode 1, status, no data. Only possible when we are sending status, have 1405 * no data to transfer, and the sense length can fit in the ct7_entry. 1406 * 1407 * Mode 2, status, no data. We have to use this in the case the response 1408 * length won't fit into a ct2_entry_t. 1409 * 1410 * We'll fill out this structure with information as if this were a 1411 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1412 * needed based upon this. 1413 */ 1414 if (sendstatus && xfrlen == 0) { 1415 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1416 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1417 if (sense_length <= MAXRESPLEN) { 1418 if (resid < 0) { 1419 cto->ct_resid = -resid; 1420 } else if (resid > 0) { 1421 cto->ct_resid = resid; 1422 } 1423 cto->ct_flags |= CT2_FLAG_MODE1; 1424 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1425 if (resid < 0) { 1426 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1427 } else if (resid > 0) { 1428 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1429 } 1430 if (fctape) { 1431 cto->ct_flags |= CT2_CONFIRM; 1432 } 1433 if (sense_length) { 1434 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1435 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1436 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1437 } 1438 } else { 1439 bus_addr_t addr; 1440 char buf[XCMD_SIZE]; 1441 fcp_rsp_iu_t *rp; 1442 1443 if (atp->ests == NULL) { 1444 atp->ests = isp_get_ecmd(isp); 1445 if (atp->ests == NULL) { 1446 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1447 break; 1448 } 1449 } 1450 memset(buf, 0, sizeof (buf)); 1451 rp = (fcp_rsp_iu_t *)buf; 1452 if (fctape) { 1453 cto->ct_flags |= CT2_CONFIRM; 1454 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1455 } 1456 cto->ct_flags |= CT2_FLAG_MODE2; 1457 rp->fcp_rsp_scsi_status = cso->scsi_status; 1458 if (resid < 0) { 1459 rp->fcp_rsp_resid = -resid; 1460 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1461 } else if (resid > 0) { 1462 rp->fcp_rsp_resid = resid; 1463 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1464 } 1465 if (sense_length) { 1466 rp->fcp_rsp_snslen = sense_length; 1467 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1468 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1469 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1470 } else { 1471 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1472 } 1473 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1474 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1475 } 1476 addr = isp->isp_osinfo.ecmd_dma; 1477 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1478 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests, 1479 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1480 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1481 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 1482 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1483 } 1484 if (sense_length) { 1485 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d sense: %x %x/%x/%x", __func__, 1486 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, 1487 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1488 } else { 1489 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, cto->ct_rxid, 1490 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid); 1491 } 1492 atp->state = ATPD_STATE_LAST_CTIO; 1493 } 1494 1495 if (xfrlen != 0) { 1496 cto->ct_flags |= CT2_FLAG_MODE0; 1497 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1498 cto->ct_flags |= CT2_DATA_IN; 1499 } else { 1500 cto->ct_flags |= CT2_DATA_OUT; 1501 } 1502 1503 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit; 1504 cto->rsp.m0.ct_xfrlen = xfrlen; 1505 1506 if (sendstatus) { 1507 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1508 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) { 1509 cto->ct_flags |= CT2_SENDSTATUS; 1510 atp->state = ATPD_STATE_LAST_CTIO; 1511 if (fctape) { 1512 cto->ct_flags |= CT2_CONFIRM; 1513 } 1514 } else { 1515 atp->sendst = 1; /* send status later */ 1516 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1517 atp->state = ATPD_STATE_CTIO; 1518 } 1519 } else { 1520 atp->state = ATPD_STATE_CTIO; 1521 } 1522 } 1523 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[%x] seq %u nc %d CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u", __func__, cto->ct_rxid, 1524 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered); 1525 } 1526 1527 if (isp_get_pcmd(isp, ccb)) { 1528 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1529 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1530 break; 1531 } 1532 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1533 if (handle == 0) { 1534 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1535 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1536 isp_free_pcmd(isp, ccb); 1537 break; 1538 } 1539 atp->bytes_in_transit += xfrlen; 1540 PISP_PCMD(ccb)->datalen = xfrlen; 1541 1542 1543 /* 1544 * Call the dma setup routines for this entry (and any subsequent 1545 * CTIOs) if there's data to move, and then tell the f/w it's got 1546 * new things to play with. As with isp_start's usage of DMA setup, 1547 * any swizzling is done in the machine dependent layer. Because 1548 * of this, we put the request onto the queue area first in native 1549 * format. 1550 */ 1551 1552 if (IS_24XX(isp)) { 1553 ct7_entry_t *cto = (ct7_entry_t *) local; 1554 cto->ct_syshandle = handle; 1555 } else { 1556 ct2_entry_t *cto = (ct2_entry_t *) local; 1557 cto->ct_syshandle = handle; 1558 } 1559 1560 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local); 1561 if (dmaresult != CMD_QUEUED) { 1562 isp_destroy_handle(isp, handle); 1563 isp_free_pcmd(isp, ccb); 1564 if (dmaresult == CMD_EAGAIN) { 1565 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1566 break; 1567 } 1568 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1569 xpt_done(ccb); 1570 continue; 1571 } 1572 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1573 if (xfrlen) { 1574 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1575 } else { 1576 ccb->ccb_h.spriv_field0 = ~0; 1577 } 1578 atp->ctcnt++; 1579 atp->seqno++; 1580 } 1581 } 1582 1583 static void 1584 isp_refire_putback_atio(void *arg) 1585 { 1586 union ccb *ccb = arg; 1587 1588 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb)); 1589 isp_target_putback_atio(ccb); 1590 } 1591 1592 static void 1593 isp_refire_notify_ack(void *arg) 1594 { 1595 isp_tna_t *tp = arg; 1596 ispsoftc_t *isp = tp->isp; 1597 1598 ISP_ASSERT_LOCKED(isp); 1599 if (isp_notify_ack(isp, tp->not)) { 1600 callout_schedule(&tp->timer, 5); 1601 } else { 1602 free(tp, M_DEVBUF); 1603 } 1604 } 1605 1606 1607 static void 1608 isp_target_putback_atio(union ccb *ccb) 1609 { 1610 ispsoftc_t *isp = XS_ISP(ccb); 1611 struct ccb_scsiio *cso = &ccb->csio; 1612 at2_entry_t local, *at = &local; 1613 1614 ISP_MEMZERO(at, sizeof (at2_entry_t)); 1615 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 1616 at->at_header.rqs_entry_count = 1; 1617 if (ISP_CAP_SCCFW(isp)) { 1618 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 1619 } else { 1620 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 1621 } 1622 at->at_status = CT_OK; 1623 at->at_rxid = cso->tag_id; 1624 at->at_iid = cso->init_id; 1625 if (isp_target_put_entry(isp, at)) { 1626 callout_reset(&PISP_PCMD(ccb)->wdog, 10, 1627 isp_refire_putback_atio, ccb); 1628 } else 1629 isp_complete_ctio(ccb); 1630 } 1631 1632 static void 1633 isp_complete_ctio(union ccb *ccb) 1634 { 1635 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1636 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1637 xpt_done(ccb); 1638 } 1639 } 1640 1641 static void 1642 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep) 1643 { 1644 fcparam *fcp; 1645 lun_id_t lun; 1646 fcportdb_t *lp; 1647 tstate_t *tptr; 1648 struct ccb_accept_tio *atiop; 1649 uint16_t nphdl; 1650 atio_private_data_t *atp; 1651 inot_private_data_t *ntp; 1652 1653 /* 1654 * The firmware status (except for the QLTM_SVALID bit) 1655 * indicates why this ATIO was sent to us. 1656 * 1657 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 1658 */ 1659 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 1660 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status); 1661 isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0); 1662 return; 1663 } 1664 1665 fcp = FCPARAM(isp, 0); 1666 if (ISP_CAP_SCCFW(isp)) { 1667 lun = aep->at_scclun; 1668 } else { 1669 lun = aep->at_lun; 1670 } 1671 if (ISP_CAP_2KLOGIN(isp)) { 1672 nphdl = ((at2e_entry_t *)aep)->at_iid; 1673 } else { 1674 nphdl = aep->at_iid; 1675 } 1676 tptr = get_lun_statep(isp, 0, lun); 1677 if (tptr == NULL) { 1678 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 1679 if (tptr == NULL) { 1680 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun); 1681 if (lun == 0) { 1682 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1683 } else { 1684 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1685 } 1686 return; 1687 } 1688 } 1689 1690 /* 1691 * Start any commands pending resources first. 1692 */ 1693 if (isp_atio_restart(isp, 0, tptr)) 1694 goto noresrc; 1695 1696 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1697 if (atiop == NULL) { 1698 goto noresrc; 1699 } 1700 1701 atp = isp_get_atpd(isp, 0, aep->at_rxid); 1702 if (atp == NULL) { 1703 goto noresrc; 1704 } 1705 1706 atp->state = ATPD_STATE_ATIO; 1707 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1708 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1709 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1710 atiop->ccb_h.target_lun = lun; 1711 1712 /* 1713 * We don't get 'suggested' sense data as we do with SCSI cards. 1714 */ 1715 atiop->sense_len = 0; 1716 1717 /* 1718 * If we're not in the port database, add ourselves. 1719 */ 1720 if (IS_2100(isp)) 1721 atiop->init_id = nphdl; 1722 else { 1723 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) { 1724 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp); 1725 } else { 1726 isp_prt(isp, ISP_LOGTINFO, "%s: port %x isn't in PDB", 1727 __func__, nphdl); 1728 isp_dump_portdb(isp, 0); 1729 isp_endcmd(isp, aep, NIL_HANDLE, 0, ECMD_TERMINATE, 0); 1730 return; 1731 } 1732 } 1733 atiop->cdb_len = ATIO2_CDBLEN; 1734 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 1735 atiop->ccb_h.status = CAM_CDB_RECVD; 1736 atiop->tag_id = atp->tag; 1737 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 1738 case ATIO2_TC_ATTR_SIMPLEQ: 1739 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1740 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1741 break; 1742 case ATIO2_TC_ATTR_HEADOFQ: 1743 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1744 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1745 break; 1746 case ATIO2_TC_ATTR_ORDERED: 1747 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1748 atiop->tag_action = MSG_ORDERED_Q_TAG; 1749 break; 1750 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 1751 case ATIO2_TC_ATTR_UNTAGGED: 1752 default: 1753 atiop->tag_action = 0; 1754 break; 1755 } 1756 1757 atp->orig_datalen = aep->at_datalen; 1758 atp->bytes_xfered = 0; 1759 atp->lun = lun; 1760 atp->nphdl = nphdl; 1761 atp->sid = PORT_ANY; 1762 atp->oxid = aep->at_oxid; 1763 atp->cdb0 = aep->at_cdb[0]; 1764 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 1765 atp->state = ATPD_STATE_CAM; 1766 xpt_done((union ccb *)atiop); 1767 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %jx datalen %u", aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1768 return; 1769 noresrc: 1770 ntp = isp_get_ntpd(isp, 0); 1771 if (ntp == NULL) { 1772 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1773 return; 1774 } 1775 memcpy(ntp->data, aep, QENTRY_LEN); 1776 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1777 } 1778 1779 static void 1780 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1781 { 1782 int cdbxlen; 1783 lun_id_t lun; 1784 uint16_t chan, nphdl = NIL_HANDLE; 1785 uint32_t did, sid; 1786 fcportdb_t *lp; 1787 tstate_t *tptr; 1788 struct ccb_accept_tio *atiop; 1789 atio_private_data_t *atp = NULL; 1790 atio_private_data_t *oatp; 1791 inot_private_data_t *ntp; 1792 1793 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1794 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1795 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1796 1797 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1798 /* Channel has to be derived from D_ID */ 1799 isp_find_chan_by_did(isp, did, &chan); 1800 if (chan == ISP_NOCHAN) { 1801 isp_prt(isp, ISP_LOGWARN, 1802 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1803 __func__, aep->at_rxid, did); 1804 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1805 ECMD_TERMINATE, 0); 1806 return; 1807 } 1808 } else { 1809 chan = 0; 1810 } 1811 1812 /* 1813 * Find the PDB entry for this initiator 1814 */ 1815 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1816 /* 1817 * If we're not in the port database terminate the exchange. 1818 */ 1819 isp_prt(isp, ISP_LOGTINFO, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x wasn't in PDB already", 1820 __func__, aep->at_rxid, did, chan, sid); 1821 isp_dump_portdb(isp, chan); 1822 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1823 return; 1824 } 1825 nphdl = lp->handle; 1826 1827 /* 1828 * Get the tstate pointer 1829 */ 1830 tptr = get_lun_statep(isp, chan, lun); 1831 if (tptr == NULL) { 1832 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1833 if (tptr == NULL) { 1834 isp_prt(isp, ISP_LOGWARN, 1835 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1836 __func__, aep->at_rxid, (uintmax_t)lun); 1837 if (lun == 0) { 1838 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1839 } else { 1840 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1841 } 1842 return; 1843 } 1844 } 1845 1846 /* 1847 * Start any commands pending resources first. 1848 */ 1849 if (isp_atio_restart(isp, chan, tptr)) 1850 goto noresrc; 1851 1852 /* 1853 * If the f/w is out of resources, just send a BUSY status back. 1854 */ 1855 if (aep->at_rxid == AT7_NORESRC_RXID) { 1856 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1857 return; 1858 } 1859 1860 /* 1861 * If we're out of resources, just send a BUSY status back. 1862 */ 1863 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1864 if (atiop == NULL) { 1865 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1866 goto noresrc; 1867 } 1868 1869 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1870 if (oatp) { 1871 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] tag wraparound in isp_handle_platforms_atio7 (N-Port Handle 0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d", 1872 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1873 /* 1874 * It's not a "no resource" condition- but we can treat it like one 1875 */ 1876 goto noresrc; 1877 } 1878 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1879 if (atp == NULL) { 1880 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1881 goto noresrc; 1882 } 1883 atp->word3 = lp->prli_word3; 1884 atp->state = ATPD_STATE_ATIO; 1885 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1886 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1887 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1888 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1889 atiop->ccb_h.target_lun = lun; 1890 atiop->sense_len = 0; 1891 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1892 if (cdbxlen) { 1893 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1894 } 1895 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1896 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1897 atiop->cdb_len = cdbxlen; 1898 atiop->ccb_h.status = CAM_CDB_RECVD; 1899 atiop->tag_id = atp->tag; 1900 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1901 case FCP_CMND_TASK_ATTR_SIMPLE: 1902 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1903 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1904 break; 1905 case FCP_CMND_TASK_ATTR_HEAD: 1906 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1907 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1908 break; 1909 case FCP_CMND_TASK_ATTR_ORDERED: 1910 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1911 atiop->tag_action = MSG_ORDERED_Q_TAG; 1912 break; 1913 default: 1914 /* FALLTHROUGH */ 1915 case FCP_CMND_TASK_ATTR_ACA: 1916 case FCP_CMND_TASK_ATTR_UNTAGGED: 1917 atiop->tag_action = 0; 1918 break; 1919 } 1920 atiop->priority = (aep->at_cmnd.fcp_cmnd_task_attribute & 1921 FCP_CMND_PRIO_MASK) >> FCP_CMND_PRIO_SHIFT; 1922 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1923 atp->bytes_xfered = 0; 1924 atp->lun = lun; 1925 atp->nphdl = nphdl; 1926 atp->sid = sid; 1927 atp->did = did; 1928 atp->oxid = aep->at_hdr.ox_id; 1929 atp->rxid = aep->at_hdr.rx_id; 1930 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1931 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1932 atp->state = ATPD_STATE_CAM; 1933 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1934 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1935 xpt_done((union ccb *)atiop); 1936 return; 1937 noresrc: 1938 if (atp) 1939 isp_put_atpd(isp, chan, atp); 1940 ntp = isp_get_ntpd(isp, chan); 1941 if (ntp == NULL) { 1942 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1943 return; 1944 } 1945 memcpy(ntp->data, aep, QENTRY_LEN); 1946 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1947 } 1948 1949 1950 /* 1951 * Handle starting an SRR (sequence retransmit request) 1952 * We get here when we've gotten the immediate notify 1953 * and the return of all outstanding CTIOs for this 1954 * transaction. 1955 */ 1956 static void 1957 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1958 { 1959 in_fcentry_24xx_t *inot; 1960 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1961 union ccb *ccb; 1962 1963 inot = (in_fcentry_24xx_t *)atp->srr; 1964 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1965 ccb = atp->srr_ccb; 1966 atp->srr_ccb = NULL; 1967 atp->nsrr++; 1968 if (ccb == NULL) { 1969 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1970 goto fail; 1971 } 1972 1973 ccb_off = ccb->ccb_h.spriv_field0; 1974 ccb_len = ccb->csio.dxfer_len; 1975 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1976 1977 switch (inot->in_srr_iu) { 1978 case R_CTL_INFO_SOLICITED_DATA: 1979 /* 1980 * We have to restart a FCP_DATA data out transaction 1981 */ 1982 atp->sendst = 0; 1983 atp->bytes_xfered = srr_off; 1984 if (ccb_len == 0) { 1985 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 1986 goto mdp; 1987 } 1988 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 1989 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); 1990 goto mdp; 1991 } 1992 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); 1993 break; 1994 case R_CTL_INFO_COMMAND_STATUS: 1995 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 1996 atp->sendst = 1; 1997 /* 1998 * We have to restart a FCP_RSP IU transaction 1999 */ 2000 break; 2001 case R_CTL_INFO_DATA_DESCRIPTOR: 2002 /* 2003 * We have to restart an FCP DATA in transaction 2004 */ 2005 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 2006 goto fail; 2007 2008 default: 2009 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 2010 goto fail; 2011 } 2012 2013 /* 2014 * We can't do anything until this is acked, so we might as well start it now. 2015 * We aren't going to do the usual asynchronous ack issue because we need 2016 * to make sure this gets on the wire first. 2017 */ 2018 if (isp_notify_ack(isp, inot)) { 2019 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2020 goto fail; 2021 } 2022 isp_target_start_ctio(isp, ccb, FROM_SRR); 2023 return; 2024 fail: 2025 inot->in_reserved = 1; 2026 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2027 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2028 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2029 isp_complete_ctio(ccb); 2030 return; 2031 mdp: 2032 if (isp_notify_ack(isp, inot)) { 2033 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2034 goto fail; 2035 } 2036 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2037 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2038 /* 2039 * This is not a strict interpretation of MDP, but it's close 2040 */ 2041 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2042 ccb->csio.msg_len = 7; 2043 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2044 ccb->csio.msg_ptr[1] = 5; 2045 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2046 ccb->csio.msg_ptr[3] = srr_off >> 24; 2047 ccb->csio.msg_ptr[4] = srr_off >> 16; 2048 ccb->csio.msg_ptr[5] = srr_off >> 8; 2049 ccb->csio.msg_ptr[6] = srr_off; 2050 isp_complete_ctio(ccb); 2051 } 2052 2053 2054 static void 2055 isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 2056 { 2057 in_fcentry_24xx_t *inot = notify->nt_lreserved; 2058 atio_private_data_t *atp; 2059 uint32_t tag = notify->nt_tagval & 0xffffffff; 2060 2061 atp = isp_find_atpd(isp, notify->nt_channel, tag); 2062 if (atp == NULL) { 2063 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 2064 __func__, tag); 2065 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2066 return; 2067 } 2068 atp->srr_notify_rcvd = 1; 2069 memcpy(atp->srr, inot, sizeof (atp->srr)); 2070 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 2071 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 2072 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 2073 if (atp->srr_ccb) 2074 isp_handle_srr_start(isp, atp); 2075 } 2076 2077 static void 2078 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2079 { 2080 union ccb *ccb; 2081 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 2082 atio_private_data_t *atp = NULL; 2083 int bus; 2084 uint32_t handle, data_requested, resid; 2085 2086 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2087 ccb = isp_find_xs(isp, handle); 2088 if (ccb == NULL) { 2089 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2090 return; 2091 } 2092 isp_destroy_handle(isp, handle); 2093 resid = data_requested = PISP_PCMD(ccb)->datalen; 2094 isp_free_pcmd(isp, ccb); 2095 2096 bus = XS_CHANNEL(ccb); 2097 if (IS_24XX(isp)) { 2098 atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid); 2099 } else { 2100 atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid); 2101 } 2102 if (atp == NULL) { 2103 /* 2104 * XXX: isp_clear_commands() generates fake CTIO with zero 2105 * ct_rxid value, filling only ct_syshandle. Workaround 2106 * that using tag_id from the CCB, pointed by ct_syshandle. 2107 */ 2108 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 2109 } 2110 if (atp == NULL) { 2111 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2112 return; 2113 } 2114 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2115 atp->bytes_in_transit -= data_requested; 2116 atp->ctcnt -= 1; 2117 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2118 2119 if (IS_24XX(isp)) { 2120 ct7_entry_t *ct = arg; 2121 2122 if (ct->ct_nphdl == CT7_SRR) { 2123 atp->srr_ccb = ccb; 2124 if (atp->srr_notify_rcvd) 2125 isp_handle_srr_start(isp, atp); 2126 return; 2127 } 2128 if (ct->ct_nphdl == CT_HBA_RESET) { 2129 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2130 (atp->sendst == 0); 2131 failure = CAM_UNREC_HBA_ERROR; 2132 } else { 2133 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 2134 ok = (ct->ct_nphdl == CT7_OK); 2135 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2136 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 2137 resid = ct->ct_resid; 2138 } 2139 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), 2140 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2141 } else { 2142 ct2_entry_t *ct = arg; 2143 if (ct->ct_status == CT_SRR) { 2144 atp->srr_ccb = ccb; 2145 if (atp->srr_notify_rcvd) 2146 isp_handle_srr_start(isp, atp); 2147 isp_target_putback_atio(ccb); 2148 return; 2149 } 2150 if (ct->ct_status == CT_HBA_RESET) { 2151 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2152 (atp->sendst == 0); 2153 failure = CAM_UNREC_HBA_ERROR; 2154 } else { 2155 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 2156 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 2157 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2158 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) 2159 resid = ct->ct_resid; 2160 } 2161 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), 2162 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2163 } 2164 if (ok) { 2165 if (data_requested > 0) { 2166 atp->bytes_xfered += data_requested - resid; 2167 ccb->csio.resid = ccb->csio.dxfer_len - 2168 (data_requested - resid); 2169 } 2170 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 2171 ccb->ccb_h.status |= CAM_SENT_SENSE; 2172 ccb->ccb_h.status |= CAM_REQ_CMP; 2173 } else { 2174 notify_cam = 1; 2175 if (failure == CAM_UNREC_HBA_ERROR) 2176 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 2177 else 2178 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2179 } 2180 atp->state = ATPD_STATE_PDON; 2181 2182 /* 2183 * We never *not* notify CAM when there has been any error (ok == 0), 2184 * so we never need to do an ATIO putback if we're not notifying CAM. 2185 */ 2186 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 2187 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 2188 if (notify_cam == 0) { 2189 if (atp->sendst) { 2190 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 2191 } 2192 return; 2193 } 2194 2195 /* 2196 * We are done with this ATIO if we successfully sent status. 2197 * In all other cases expect either another CTIO or XPT_ABORT. 2198 */ 2199 if (ok && sentstatus) 2200 isp_put_atpd(isp, bus, atp); 2201 2202 /* 2203 * We're telling CAM we're done with this CTIO transaction. 2204 * 2205 * 24XX cards never need an ATIO put back. 2206 * 2207 * Other cards need one put back only on error. 2208 * In the latter case, a timeout will re-fire 2209 * and try again in case we didn't have 2210 * queue resources to do so at first. In any case, 2211 * once the putback is done we do the completion 2212 * call. 2213 */ 2214 if (ok || IS_24XX(isp)) { 2215 isp_complete_ctio(ccb); 2216 } else { 2217 isp_target_putback_atio(ccb); 2218 } 2219 } 2220 2221 static int 2222 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 2223 { 2224 2225 if (isp->isp_state != ISP_RUNSTATE) { 2226 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 2227 return (0); 2228 } 2229 2230 /* 2231 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 2232 */ 2233 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 2234 ct7_entry_t local, *cto = &local; 2235 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 2236 fcportdb_t *lp; 2237 uint32_t sid; 2238 uint16_t nphdl; 2239 2240 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2241 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 2242 nphdl = lp->handle; 2243 } else { 2244 nphdl = NIL_HANDLE; 2245 } 2246 ISP_MEMZERO(&local, sizeof (local)); 2247 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2248 cto->ct_header.rqs_entry_count = 1; 2249 cto->ct_nphdl = nphdl; 2250 cto->ct_rxid = aep->at_rxid; 2251 cto->ct_vpidx = mp->nt_channel; 2252 cto->ct_iid_lo = sid; 2253 cto->ct_iid_hi = sid >> 16; 2254 cto->ct_oxid = aep->at_hdr.ox_id; 2255 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 2256 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 2257 if (rsp != 0) { 2258 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 2259 cto->rsp.m1.ct_resplen = 4; 2260 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 2261 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 2262 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 2263 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 2264 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 2265 } 2266 return (isp_target_put_entry(isp, &local)); 2267 } 2268 2269 /* 2270 * This case is for a responding to an ABTS frame 2271 */ 2272 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2273 2274 /* 2275 * Overload nt_need_ack here to mark whether we've terminated the associated command. 2276 */ 2277 if (mp->nt_need_ack) { 2278 uint8_t storage[QENTRY_LEN]; 2279 ct7_entry_t *cto = (ct7_entry_t *) storage; 2280 abts_t *abts = (abts_t *)mp->nt_lreserved; 2281 2282 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2283 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 2284 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2285 cto->ct_header.rqs_entry_count = 1; 2286 cto->ct_nphdl = mp->nt_nphdl; 2287 cto->ct_rxid = abts->abts_rxid_task; 2288 cto->ct_iid_lo = mp->nt_sid; 2289 cto->ct_iid_hi = mp->nt_sid >> 16; 2290 cto->ct_oxid = abts->abts_ox_id; 2291 cto->ct_vpidx = mp->nt_channel; 2292 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2293 if (isp_target_put_entry(isp, cto)) { 2294 return (ENOMEM); 2295 } 2296 mp->nt_need_ack = 0; 2297 } 2298 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 2299 return (ENOMEM); 2300 } else { 2301 return (0); 2302 } 2303 } 2304 2305 /* 2306 * Handle logout cases here 2307 */ 2308 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 2309 isp_del_all_wwn_entries(isp, mp->nt_channel); 2310 } 2311 2312 if (mp->nt_ncode == NT_LOGOUT) { 2313 if (!IS_2100(isp) && IS_FC(isp)) { 2314 isp_del_wwn_entries(isp, mp); 2315 } 2316 } 2317 2318 /* 2319 * General purpose acknowledgement 2320 */ 2321 if (mp->nt_need_ack) { 2322 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 2323 /* 2324 * Don't need to use the guaranteed send because the caller can retry 2325 */ 2326 return (isp_notify_ack(isp, mp->nt_lreserved)); 2327 } 2328 return (0); 2329 } 2330 2331 /* 2332 * Handle task management functions. 2333 * 2334 * We show up here with a notify structure filled out. 2335 * 2336 * The nt_lreserved tag points to the original queue entry 2337 */ 2338 static void 2339 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 2340 { 2341 tstate_t *tptr; 2342 fcportdb_t *lp; 2343 struct ccb_immediate_notify *inot; 2344 inot_private_data_t *ntp = NULL; 2345 atio_private_data_t *atp; 2346 lun_id_t lun; 2347 2348 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode, 2349 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 2350 if (notify->nt_lun == LUN_ANY) { 2351 if (notify->nt_tagval == TAG_ANY) { 2352 lun = CAM_LUN_WILDCARD; 2353 } else { 2354 atp = isp_find_atpd(isp, notify->nt_channel, 2355 notify->nt_tagval & 0xffffffff); 2356 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 2357 } 2358 } else { 2359 lun = notify->nt_lun; 2360 } 2361 tptr = get_lun_statep(isp, notify->nt_channel, lun); 2362 if (tptr == NULL) { 2363 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 2364 if (tptr == NULL) { 2365 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 2366 goto bad; 2367 } 2368 } 2369 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 2370 if (inot == NULL) { 2371 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 2372 goto bad; 2373 } 2374 2375 inot->ccb_h.target_id = ISP_MAX_TARGETS(isp); 2376 inot->ccb_h.target_lun = lun; 2377 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 2378 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 2379 inot->initiator_id = CAM_TARGET_WILDCARD; 2380 } else { 2381 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 2382 } 2383 inot->seq_id = notify->nt_tagval; 2384 inot->tag_id = notify->nt_tagval >> 32; 2385 2386 switch (notify->nt_ncode) { 2387 case NT_ABORT_TASK: 2388 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 2389 inot->arg = MSG_ABORT_TASK; 2390 break; 2391 case NT_ABORT_TASK_SET: 2392 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 2393 inot->arg = MSG_ABORT_TASK_SET; 2394 break; 2395 case NT_CLEAR_ACA: 2396 inot->arg = MSG_CLEAR_ACA; 2397 break; 2398 case NT_CLEAR_TASK_SET: 2399 inot->arg = MSG_CLEAR_TASK_SET; 2400 break; 2401 case NT_LUN_RESET: 2402 inot->arg = MSG_LOGICAL_UNIT_RESET; 2403 break; 2404 case NT_TARGET_RESET: 2405 inot->arg = MSG_TARGET_RESET; 2406 break; 2407 case NT_QUERY_TASK_SET: 2408 inot->arg = MSG_QUERY_TASK_SET; 2409 break; 2410 case NT_QUERY_ASYNC_EVENT: 2411 inot->arg = MSG_QUERY_ASYNC_EVENT; 2412 break; 2413 default: 2414 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); 2415 goto bad; 2416 } 2417 2418 ntp = isp_get_ntpd(isp, notify->nt_channel); 2419 if (ntp == NULL) { 2420 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 2421 goto bad; 2422 } 2423 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 2424 if (notify->nt_lreserved) { 2425 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 2426 ntp->nt.nt_lreserved = &ntp->data; 2427 } 2428 ntp->seq_id = notify->nt_tagval; 2429 ntp->tag_id = notify->nt_tagval >> 32; 2430 2431 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 2432 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 2433 inot->ccb_h.status = CAM_MESSAGE_RECV; 2434 xpt_done((union ccb *)inot); 2435 return; 2436 bad: 2437 if (notify->nt_need_ack) { 2438 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2439 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 2440 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 2441 } 2442 } else { 2443 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 2444 } 2445 } 2446 } 2447 2448 static void 2449 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 2450 { 2451 atio_private_data_t *atp, *atpool; 2452 inot_private_data_t *ntp, *tmp; 2453 uint32_t this_tag_id; 2454 2455 /* 2456 * First, clean any commands pending restart 2457 */ 2458 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 2459 if (IS_24XX(isp)) 2460 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 2461 else 2462 this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid; 2463 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 2464 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 2465 ECMD_TERMINATE, 0); 2466 isp_put_ntpd(isp, chan, ntp); 2467 STAILQ_REMOVE(&tptr->restart_queue, ntp, 2468 inot_private_data, next); 2469 } 2470 } 2471 2472 /* 2473 * Now mark other ones dead as well. 2474 */ 2475 ISP_GET_PC(isp, chan, atpool, atpool); 2476 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 2477 if (atp->lun != tptr->ts_lun) 2478 continue; 2479 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 2480 atp->dead = 1; 2481 } 2482 } 2483 #endif 2484 2485 static void 2486 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 2487 { 2488 struct cam_sim *sim; 2489 int bus, tgt; 2490 ispsoftc_t *isp; 2491 2492 sim = (struct cam_sim *)cbarg; 2493 isp = (ispsoftc_t *) cam_sim_softc(sim); 2494 bus = cam_sim_bus(sim); 2495 tgt = xpt_path_target_id(path); 2496 2497 switch (code) { 2498 case AC_LOST_DEVICE: 2499 if (IS_SCSI(isp)) { 2500 uint16_t oflags, nflags; 2501 sdparam *sdp = SDPARAM(isp, bus); 2502 2503 if (tgt >= 0) { 2504 nflags = sdp->isp_devparam[tgt].nvrm_flags; 2505 nflags &= DPARM_SAFE_DFLT; 2506 if (isp->isp_loaded_fw) { 2507 nflags |= DPARM_NARROW | DPARM_ASYNC; 2508 } 2509 oflags = sdp->isp_devparam[tgt].goal_flags; 2510 sdp->isp_devparam[tgt].goal_flags = nflags; 2511 sdp->isp_devparam[tgt].dev_update = 1; 2512 sdp->update = 1; 2513 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 2514 sdp->isp_devparam[tgt].goal_flags = oflags; 2515 } 2516 } 2517 break; 2518 default: 2519 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 2520 break; 2521 } 2522 } 2523 2524 static void 2525 isp_poll(struct cam_sim *sim) 2526 { 2527 ispsoftc_t *isp = cam_sim_softc(sim); 2528 2529 ISP_RUN_ISR(isp); 2530 } 2531 2532 2533 static void 2534 isp_watchdog(void *arg) 2535 { 2536 struct ccb_scsiio *xs = arg; 2537 ispsoftc_t *isp; 2538 uint32_t ohandle = ISP_HANDLE_FREE, handle; 2539 2540 isp = XS_ISP(xs); 2541 2542 handle = isp_find_handle(isp, xs); 2543 2544 /* 2545 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 2546 */ 2547 if (handle != ISP_HANDLE_FREE) { 2548 ISP_RUN_ISR(isp); 2549 ohandle = handle; 2550 handle = isp_find_handle(isp, xs); 2551 } 2552 if (handle != ISP_HANDLE_FREE) { 2553 /* 2554 * Try and make sure the command is really dead before 2555 * we release the handle (and DMA resources) for reuse. 2556 * 2557 * If we are successful in aborting the command then 2558 * we're done here because we'll get the command returned 2559 * back separately. 2560 */ 2561 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2562 return; 2563 } 2564 2565 /* 2566 * Note that after calling the above, the command may in 2567 * fact have been completed. 2568 */ 2569 xs = isp_find_xs(isp, handle); 2570 2571 /* 2572 * If the command no longer exists, then we won't 2573 * be able to find the xs again with this handle. 2574 */ 2575 if (xs == NULL) { 2576 return; 2577 } 2578 2579 /* 2580 * After this point, the command is really dead. 2581 */ 2582 if (XS_XFRLEN(xs)) { 2583 ISP_DMAFREE(isp, xs, handle); 2584 } 2585 isp_destroy_handle(isp, handle); 2586 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 2587 XS_SETERR(xs, CAM_CMD_TIMEOUT); 2588 isp_done(xs); 2589 } else { 2590 if (ohandle != ISP_HANDLE_FREE) { 2591 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 2592 } else { 2593 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 2594 } 2595 } 2596 } 2597 2598 static void 2599 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2600 { 2601 union ccb *ccb; 2602 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2603 2604 /* 2605 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2606 */ 2607 ccb = xpt_alloc_ccb_nowait(); 2608 if (ccb == NULL) { 2609 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2610 return; 2611 } 2612 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2613 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2614 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2615 xpt_free_ccb(ccb); 2616 return; 2617 } 2618 xpt_rescan(ccb); 2619 } 2620 2621 static void 2622 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2623 { 2624 struct cam_path *tp; 2625 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2626 2627 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2628 xpt_async(AC_LOST_DEVICE, tp, NULL); 2629 xpt_free_path(tp); 2630 } 2631 } 2632 2633 /* 2634 * Gone Device Timer Function- when we have decided that a device has gone 2635 * away, we wait a specific period of time prior to telling the OS it has 2636 * gone away. 2637 * 2638 * This timer function fires once a second and then scans the port database 2639 * for devices that are marked dead but still have a virtual target assigned. 2640 * We decrement a counter for that port database entry, and when it hits zero, 2641 * we tell the OS the device has gone away. 2642 */ 2643 static void 2644 isp_gdt(void *arg) 2645 { 2646 struct isp_fc *fc = arg; 2647 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2648 } 2649 2650 static void 2651 isp_gdt_task(void *arg, int pending) 2652 { 2653 struct isp_fc *fc = arg; 2654 ispsoftc_t *isp = fc->isp; 2655 int chan = fc - isp->isp_osinfo.pc.fc; 2656 fcportdb_t *lp; 2657 struct ac_contract ac; 2658 struct ac_device_changed *adc; 2659 int dbidx, more_to_do = 0; 2660 2661 ISP_LOCK(isp); 2662 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2663 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2664 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2665 2666 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2667 continue; 2668 } 2669 if (lp->gone_timer != 0) { 2670 lp->gone_timer -= 1; 2671 more_to_do++; 2672 continue; 2673 } 2674 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2675 if (lp->is_target) { 2676 lp->is_target = 0; 2677 isp_make_gone(isp, lp, chan, dbidx); 2678 } 2679 if (lp->is_initiator) { 2680 lp->is_initiator = 0; 2681 ac.contract_number = AC_CONTRACT_DEV_CHG; 2682 adc = (struct ac_device_changed *) ac.contract_data; 2683 adc->wwpn = lp->port_wwn; 2684 adc->port = lp->portid; 2685 adc->target = dbidx; 2686 adc->arrived = 0; 2687 xpt_async(AC_CONTRACT, fc->path, &ac); 2688 } 2689 lp->state = FC_PORTDB_STATE_NIL; 2690 } 2691 if (fc->ready) { 2692 if (more_to_do) { 2693 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2694 } else { 2695 callout_deactivate(&fc->gdt); 2696 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2697 } 2698 } 2699 ISP_UNLOCK(isp); 2700 } 2701 2702 /* 2703 * When loop goes down we remember the time and freeze CAM command queue. 2704 * During some time period we are trying to reprobe the loop. But if we 2705 * fail, we tell the OS that devices have gone away and drop the freeze. 2706 * 2707 * We don't clear the devices out of our port database because, when loop 2708 * come back up, we have to do some actual cleanup with the chip at that 2709 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2710 */ 2711 static void 2712 isp_loop_changed(ispsoftc_t *isp, int chan) 2713 { 2714 fcparam *fcp = FCPARAM(isp, chan); 2715 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2716 2717 if (fc->loop_down_time) 2718 return; 2719 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2720 if (fcp->role & ISP_ROLE_INITIATOR) 2721 isp_freeze_loopdown(isp, chan); 2722 fc->loop_down_time = time_uptime; 2723 wakeup(fc); 2724 } 2725 2726 static void 2727 isp_loop_up(ispsoftc_t *isp, int chan) 2728 { 2729 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2730 2731 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2732 fc->loop_seen_once = 1; 2733 fc->loop_down_time = 0; 2734 isp_unfreeze_loopdown(isp, chan); 2735 } 2736 2737 static void 2738 isp_loop_dead(ispsoftc_t *isp, int chan) 2739 { 2740 fcparam *fcp = FCPARAM(isp, chan); 2741 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2742 fcportdb_t *lp; 2743 struct ac_contract ac; 2744 struct ac_device_changed *adc; 2745 int dbidx, i; 2746 2747 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2748 2749 /* 2750 * Notify to the OS all targets who we now consider have departed. 2751 */ 2752 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2753 lp = &fcp->portdb[dbidx]; 2754 2755 if (lp->state == FC_PORTDB_STATE_NIL) 2756 continue; 2757 2758 for (i = 0; i < isp->isp_maxcmds; i++) { 2759 struct ccb_scsiio *xs; 2760 2761 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2762 continue; 2763 } 2764 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2765 continue; 2766 } 2767 if (dbidx != XS_TGT(xs)) { 2768 continue; 2769 } 2770 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2771 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2772 (uintmax_t)XS_LUN(xs)); 2773 2774 /* 2775 * Just like in isp_watchdog, abort the outstanding 2776 * command or immediately free its resources if it is 2777 * not active 2778 */ 2779 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2780 continue; 2781 } 2782 2783 if (XS_XFRLEN(xs)) { 2784 ISP_DMAFREE(isp, xs, isp->isp_xflist[i].handle); 2785 } 2786 isp_destroy_handle(isp, isp->isp_xflist[i].handle); 2787 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed", 2788 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2789 (uintmax_t)XS_LUN(xs)); 2790 XS_SETERR(xs, HBA_BUSRESET); 2791 isp_done(xs); 2792 } 2793 2794 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2795 if (lp->is_target) { 2796 lp->is_target = 0; 2797 isp_make_gone(isp, lp, chan, dbidx); 2798 } 2799 if (lp->is_initiator) { 2800 lp->is_initiator = 0; 2801 ac.contract_number = AC_CONTRACT_DEV_CHG; 2802 adc = (struct ac_device_changed *) ac.contract_data; 2803 adc->wwpn = lp->port_wwn; 2804 adc->port = lp->portid; 2805 adc->target = dbidx; 2806 adc->arrived = 0; 2807 xpt_async(AC_CONTRACT, fc->path, &ac); 2808 } 2809 } 2810 2811 isp_unfreeze_loopdown(isp, chan); 2812 fc->loop_down_time = 0; 2813 } 2814 2815 static void 2816 isp_kthread(void *arg) 2817 { 2818 struct isp_fc *fc = arg; 2819 ispsoftc_t *isp = fc->isp; 2820 int chan = fc - isp->isp_osinfo.pc.fc; 2821 int slp = 0, d; 2822 int lb, lim; 2823 2824 ISP_LOCK(isp); 2825 while (isp->isp_osinfo.is_exiting == 0) { 2826 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2827 "Chan %d Checking FC state", chan); 2828 lb = isp_fc_runstate(isp, chan, 250000); 2829 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2830 "Chan %d FC got to %s state", chan, 2831 isp_fc_loop_statename(lb)); 2832 2833 /* 2834 * Our action is different based upon whether we're supporting 2835 * Initiator mode or not. If we are, we might freeze the simq 2836 * when loop is down and set all sorts of different delays to 2837 * check again. 2838 * 2839 * If not, we simply just wait for loop to come up. 2840 */ 2841 if (lb == LOOP_READY || lb < 0) { 2842 slp = 0; 2843 } else { 2844 /* 2845 * If we've never seen loop up and we've waited longer 2846 * than quickboot time, or we've seen loop up but we've 2847 * waited longer than loop_down_limit, give up and go 2848 * to sleep until loop comes up. 2849 */ 2850 if (fc->loop_seen_once == 0) 2851 lim = isp_quickboot_time; 2852 else 2853 lim = fc->loop_down_limit; 2854 d = time_uptime - fc->loop_down_time; 2855 if (d >= lim) 2856 slp = 0; 2857 else if (d < 10) 2858 slp = 1; 2859 else if (d < 30) 2860 slp = 5; 2861 else if (d < 60) 2862 slp = 10; 2863 else if (d < 120) 2864 slp = 20; 2865 else 2866 slp = 30; 2867 } 2868 2869 if (slp == 0) { 2870 if (lb == LOOP_READY) 2871 isp_loop_up(isp, chan); 2872 else 2873 isp_loop_dead(isp, chan); 2874 } 2875 2876 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2877 "Chan %d sleep for %d seconds", chan, slp); 2878 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2879 } 2880 fc->num_threads -= 1; 2881 ISP_UNLOCK(isp); 2882 kthread_exit(); 2883 } 2884 2885 #ifdef ISP_TARGET_MODE 2886 static void 2887 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2888 { 2889 atio_private_data_t *atp; 2890 union ccb *accb = ccb->cab.abort_ccb; 2891 struct ccb_hdr *sccb; 2892 tstate_t *tptr; 2893 2894 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2895 if (tptr != NULL) { 2896 /* Search for the ATIO among queueued. */ 2897 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2898 if (sccb != &accb->ccb_h) 2899 continue; 2900 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2901 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2902 "Abort FREE ATIO\n"); 2903 accb->ccb_h.status = CAM_REQ_ABORTED; 2904 xpt_done(accb); 2905 ccb->ccb_h.status = CAM_REQ_CMP; 2906 return; 2907 } 2908 } 2909 2910 /* Search for the ATIO among running. */ 2911 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2912 if (atp != NULL) { 2913 /* Send TERMINATE to firmware. */ 2914 if (!atp->dead && IS_24XX(isp)) { 2915 uint8_t storage[QENTRY_LEN]; 2916 ct7_entry_t *cto = (ct7_entry_t *) storage; 2917 2918 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2919 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2920 cto->ct_header.rqs_entry_count = 1; 2921 cto->ct_nphdl = atp->nphdl; 2922 cto->ct_rxid = atp->tag; 2923 cto->ct_iid_lo = atp->sid; 2924 cto->ct_iid_hi = atp->sid >> 16; 2925 cto->ct_oxid = atp->oxid; 2926 cto->ct_vpidx = XS_CHANNEL(accb); 2927 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2928 isp_target_put_entry(isp, cto); 2929 } 2930 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2931 ccb->ccb_h.status = CAM_REQ_CMP; 2932 } else { 2933 ccb->ccb_h.status = CAM_UA_ABORT; 2934 } 2935 } 2936 2937 static void 2938 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2939 { 2940 inot_private_data_t *ntp; 2941 union ccb *accb = ccb->cab.abort_ccb; 2942 struct ccb_hdr *sccb; 2943 tstate_t *tptr; 2944 2945 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2946 if (tptr != NULL) { 2947 /* Search for the INOT among queueued. */ 2948 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2949 if (sccb != &accb->ccb_h) 2950 continue; 2951 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2952 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2953 "Abort FREE INOT\n"); 2954 accb->ccb_h.status = CAM_REQ_ABORTED; 2955 xpt_done(accb); 2956 ccb->ccb_h.status = CAM_REQ_CMP; 2957 return; 2958 } 2959 } 2960 2961 /* Search for the INOT among running. */ 2962 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2963 if (ntp != NULL) { 2964 if (ntp->nt.nt_need_ack) { 2965 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2966 ntp->nt.nt_lreserved); 2967 } 2968 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2969 ccb->ccb_h.status = CAM_REQ_CMP; 2970 } else { 2971 ccb->ccb_h.status = CAM_UA_ABORT; 2972 return; 2973 } 2974 } 2975 #endif 2976 2977 static void 2978 isp_action(struct cam_sim *sim, union ccb *ccb) 2979 { 2980 int bus, tgt, error; 2981 ispsoftc_t *isp; 2982 struct ccb_trans_settings *cts; 2983 sbintime_t ts; 2984 2985 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2986 2987 isp = (ispsoftc_t *)cam_sim_softc(sim); 2988 ISP_ASSERT_LOCKED(isp); 2989 bus = cam_sim_bus(sim); 2990 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2991 ISP_PCMD(ccb) = NULL; 2992 2993 switch (ccb->ccb_h.func_code) { 2994 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2995 /* 2996 * Do a couple of preliminary checks... 2997 */ 2998 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2999 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 3000 ccb->ccb_h.status = CAM_REQ_INVALID; 3001 isp_done((struct ccb_scsiio *) ccb); 3002 break; 3003 } 3004 } 3005 ccb->csio.req_map = NULL; 3006 #ifdef DIAGNOSTIC 3007 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 3008 xpt_print(ccb->ccb_h.path, "invalid target\n"); 3009 ccb->ccb_h.status = CAM_PATH_INVALID; 3010 } else if (ISP_MAX_LUNS(isp) > 0 && 3011 ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) { 3012 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 3013 ccb->ccb_h.status = CAM_PATH_INVALID; 3014 } 3015 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 3016 xpt_done(ccb); 3017 break; 3018 } 3019 #endif 3020 ccb->csio.scsi_status = SCSI_STATUS_OK; 3021 if (isp_get_pcmd(isp, ccb)) { 3022 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 3023 cam_freeze_devq(ccb->ccb_h.path); 3024 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 3025 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3026 xpt_done(ccb); 3027 break; 3028 } 3029 error = isp_start((XS_T *) ccb); 3030 switch (error) { 3031 case CMD_QUEUED: 3032 ccb->ccb_h.status |= CAM_SIM_QUEUED; 3033 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 3034 break; 3035 /* Give firmware extra 10s to handle timeout. */ 3036 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 3037 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 3038 isp_watchdog, ccb, 0); 3039 break; 3040 case CMD_RQLATER: 3041 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 3042 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 3043 cam_freeze_devq(ccb->ccb_h.path); 3044 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3045 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3046 isp_free_pcmd(isp, ccb); 3047 xpt_done(ccb); 3048 break; 3049 case CMD_EAGAIN: 3050 isp_free_pcmd(isp, ccb); 3051 cam_freeze_devq(ccb->ccb_h.path); 3052 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 3053 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3054 xpt_done(ccb); 3055 break; 3056 case CMD_COMPLETE: 3057 isp_done((struct ccb_scsiio *) ccb); 3058 break; 3059 default: 3060 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 3061 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3062 isp_free_pcmd(isp, ccb); 3063 xpt_done(ccb); 3064 } 3065 break; 3066 3067 #ifdef ISP_TARGET_MODE 3068 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 3069 if (ccb->cel.enable) { 3070 isp_enable_lun(isp, ccb); 3071 } else { 3072 isp_disable_lun(isp, ccb); 3073 } 3074 break; 3075 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 3076 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3077 { 3078 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 3079 if (tptr == NULL) { 3080 const char *str; 3081 3082 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 3083 str = "XPT_IMMEDIATE_NOTIFY"; 3084 else 3085 str = "XPT_ACCEPT_TARGET_IO"; 3086 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 3087 "%s: no state pointer found for %s\n", 3088 __func__, str); 3089 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3090 xpt_done(ccb); 3091 break; 3092 } 3093 ccb->ccb_h.spriv_field0 = 0; 3094 ccb->ccb_h.spriv_ptr1 = isp; 3095 3096 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3097 ccb->atio.tag_id = 0; 3098 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 3099 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3100 "Put FREE ATIO\n"); 3101 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 3102 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 3103 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 3104 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3105 "Put FREE INOT\n"); 3106 } 3107 ccb->ccb_h.status = CAM_REQ_INPROG; 3108 break; 3109 } 3110 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 3111 { 3112 inot_private_data_t *ntp; 3113 3114 /* 3115 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 3116 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 3117 */ 3118 /* 3119 * All the relevant path information is in the associated immediate notify 3120 */ 3121 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); 3122 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 3123 if (ntp == NULL) { 3124 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__, 3125 ccb->cna2.tag_id, ccb->cna2.seq_id); 3126 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3127 xpt_done(ccb); 3128 break; 3129 } 3130 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 3131 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 3132 cam_freeze_devq(ccb->ccb_h.path); 3133 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3134 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 3135 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 3136 break; 3137 } 3138 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 3139 ccb->ccb_h.status = CAM_REQ_CMP; 3140 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); 3141 xpt_done(ccb); 3142 break; 3143 } 3144 case XPT_CONT_TARGET_IO: 3145 isp_target_start_ctio(isp, ccb, FROM_CAM); 3146 break; 3147 #endif 3148 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 3149 tgt = ccb->ccb_h.target_id; 3150 tgt |= (bus << 16); 3151 3152 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 3153 if (error) { 3154 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3155 } else { 3156 /* 3157 * If we have a FC device, reset the Command 3158 * Reference Number, because the target will expect 3159 * that we re-start the CRN at 1 after a reset. 3160 */ 3161 if (IS_FC(isp)) 3162 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3163 3164 ccb->ccb_h.status = CAM_REQ_CMP; 3165 } 3166 xpt_done(ccb); 3167 break; 3168 case XPT_ABORT: /* Abort the specified CCB */ 3169 { 3170 union ccb *accb = ccb->cab.abort_ccb; 3171 switch (accb->ccb_h.func_code) { 3172 #ifdef ISP_TARGET_MODE 3173 case XPT_ACCEPT_TARGET_IO: 3174 isp_abort_atio(isp, ccb); 3175 break; 3176 case XPT_IMMEDIATE_NOTIFY: 3177 isp_abort_inot(isp, ccb); 3178 break; 3179 #endif 3180 case XPT_SCSI_IO: 3181 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 3182 if (error) { 3183 ccb->ccb_h.status = CAM_UA_ABORT; 3184 } else { 3185 ccb->ccb_h.status = CAM_REQ_CMP; 3186 } 3187 break; 3188 default: 3189 ccb->ccb_h.status = CAM_REQ_INVALID; 3190 break; 3191 } 3192 /* 3193 * This is not a queued CCB, so the caller expects it to be 3194 * complete when control is returned. 3195 */ 3196 break; 3197 } 3198 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 3199 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3200 cts = &ccb->cts; 3201 if (!IS_CURRENT_SETTINGS(cts)) { 3202 ccb->ccb_h.status = CAM_REQ_INVALID; 3203 xpt_done(ccb); 3204 break; 3205 } 3206 tgt = cts->ccb_h.target_id; 3207 if (IS_SCSI(isp)) { 3208 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3209 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3210 sdparam *sdp = SDPARAM(isp, bus); 3211 uint16_t *dptr; 3212 3213 if (spi->valid == 0 && scsi->valid == 0) { 3214 ccb->ccb_h.status = CAM_REQ_CMP; 3215 xpt_done(ccb); 3216 break; 3217 } 3218 3219 /* 3220 * We always update (internally) from goal_flags 3221 * so any request to change settings just gets 3222 * vectored to that location. 3223 */ 3224 dptr = &sdp->isp_devparam[tgt].goal_flags; 3225 3226 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3227 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 3228 *dptr |= DPARM_DISC; 3229 else 3230 *dptr &= ~DPARM_DISC; 3231 } 3232 3233 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3234 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 3235 *dptr |= DPARM_TQING; 3236 else 3237 *dptr &= ~DPARM_TQING; 3238 } 3239 3240 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3241 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 3242 *dptr |= DPARM_WIDE; 3243 else 3244 *dptr &= ~DPARM_WIDE; 3245 } 3246 3247 /* 3248 * XXX: FIX ME 3249 */ 3250 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 3251 *dptr |= DPARM_SYNC; 3252 /* 3253 * XXX: CHECK FOR LEGALITY 3254 */ 3255 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 3256 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 3257 } else { 3258 *dptr &= ~DPARM_SYNC; 3259 } 3260 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, 3261 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 3262 sdp->isp_devparam[tgt].dev_update = 1; 3263 sdp->update = 1; 3264 } 3265 ccb->ccb_h.status = CAM_REQ_CMP; 3266 xpt_done(ccb); 3267 break; 3268 case XPT_GET_TRAN_SETTINGS: 3269 cts = &ccb->cts; 3270 tgt = cts->ccb_h.target_id; 3271 if (IS_FC(isp)) { 3272 fcparam *fcp = FCPARAM(isp, bus); 3273 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3274 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 3275 3276 cts->protocol = PROTO_SCSI; 3277 cts->protocol_version = SCSI_REV_2; 3278 cts->transport = XPORT_FC; 3279 cts->transport_version = 0; 3280 3281 scsi->valid = CTS_SCSI_VALID_TQ; 3282 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3283 fc->valid = CTS_FC_VALID_SPEED; 3284 fc->bitrate = 100000; 3285 fc->bitrate *= fcp->isp_gbspeed; 3286 if (tgt < MAX_FC_TARG) { 3287 fcportdb_t *lp = &fcp->portdb[tgt]; 3288 fc->wwnn = lp->node_wwn; 3289 fc->wwpn = lp->port_wwn; 3290 fc->port = lp->portid; 3291 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 3292 } 3293 } else { 3294 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3295 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3296 sdparam *sdp = SDPARAM(isp, bus); 3297 uint16_t dval, pval, oval; 3298 3299 if (IS_CURRENT_SETTINGS(cts)) { 3300 sdp->isp_devparam[tgt].dev_refresh = 1; 3301 sdp->update = 1; 3302 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 3303 dval = sdp->isp_devparam[tgt].actv_flags; 3304 oval = sdp->isp_devparam[tgt].actv_offset; 3305 pval = sdp->isp_devparam[tgt].actv_period; 3306 } else { 3307 dval = sdp->isp_devparam[tgt].nvrm_flags; 3308 oval = sdp->isp_devparam[tgt].nvrm_offset; 3309 pval = sdp->isp_devparam[tgt].nvrm_period; 3310 } 3311 3312 cts->protocol = PROTO_SCSI; 3313 cts->protocol_version = SCSI_REV_2; 3314 cts->transport = XPORT_SPI; 3315 cts->transport_version = 2; 3316 3317 spi->valid = 0; 3318 scsi->valid = 0; 3319 spi->flags = 0; 3320 scsi->flags = 0; 3321 if (dval & DPARM_DISC) { 3322 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3323 } 3324 if ((dval & DPARM_SYNC) && oval && pval) { 3325 spi->sync_offset = oval; 3326 spi->sync_period = pval; 3327 } else { 3328 spi->sync_offset = 0; 3329 spi->sync_period = 0; 3330 } 3331 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3332 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3333 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3334 if (dval & DPARM_WIDE) { 3335 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3336 } else { 3337 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3338 } 3339 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3340 scsi->valid = CTS_SCSI_VALID_TQ; 3341 if (dval & DPARM_TQING) { 3342 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3343 } 3344 spi->valid |= CTS_SPI_VALID_DISC; 3345 } 3346 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 3347 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval); 3348 } 3349 ccb->ccb_h.status = CAM_REQ_CMP; 3350 xpt_done(ccb); 3351 break; 3352 3353 case XPT_CALC_GEOMETRY: 3354 cam_calc_geometry(&ccb->ccg, 1); 3355 xpt_done(ccb); 3356 break; 3357 3358 case XPT_RESET_BUS: /* Reset the specified bus */ 3359 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 3360 if (error) { 3361 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3362 xpt_done(ccb); 3363 break; 3364 } 3365 if (bootverbose) { 3366 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 3367 } 3368 if (IS_FC(isp)) { 3369 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 3370 } else { 3371 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 3372 } 3373 ccb->ccb_h.status = CAM_REQ_CMP; 3374 xpt_done(ccb); 3375 break; 3376 3377 case XPT_TERM_IO: /* Terminate the I/O process */ 3378 ccb->ccb_h.status = CAM_REQ_INVALID; 3379 xpt_done(ccb); 3380 break; 3381 3382 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 3383 { 3384 struct ccb_sim_knob *kp = &ccb->knob; 3385 fcparam *fcp; 3386 3387 if (!IS_FC(isp)) { 3388 ccb->ccb_h.status = CAM_REQ_INVALID; 3389 xpt_done(ccb); 3390 break; 3391 } 3392 3393 fcp = FCPARAM(isp, bus); 3394 3395 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 3396 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 3397 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 3398 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 3399 } 3400 ccb->ccb_h.status = CAM_REQ_CMP; 3401 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 3402 int rchange = 0; 3403 int newrole = 0; 3404 3405 switch (kp->xport_specific.fc.role) { 3406 case KNOB_ROLE_NONE: 3407 if (fcp->role != ISP_ROLE_NONE) { 3408 rchange = 1; 3409 newrole = ISP_ROLE_NONE; 3410 } 3411 break; 3412 case KNOB_ROLE_TARGET: 3413 if (fcp->role != ISP_ROLE_TARGET) { 3414 rchange = 1; 3415 newrole = ISP_ROLE_TARGET; 3416 } 3417 break; 3418 case KNOB_ROLE_INITIATOR: 3419 if (fcp->role != ISP_ROLE_INITIATOR) { 3420 rchange = 1; 3421 newrole = ISP_ROLE_INITIATOR; 3422 } 3423 break; 3424 case KNOB_ROLE_BOTH: 3425 if (fcp->role != ISP_ROLE_BOTH) { 3426 rchange = 1; 3427 newrole = ISP_ROLE_BOTH; 3428 } 3429 break; 3430 } 3431 if (rchange) { 3432 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 3433 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 3434 bus, newrole) != 0) { 3435 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3436 xpt_done(ccb); 3437 break; 3438 } 3439 } 3440 } 3441 xpt_done(ccb); 3442 break; 3443 } 3444 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 3445 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 3446 { 3447 struct ccb_sim_knob *kp = &ccb->knob; 3448 3449 if (IS_FC(isp)) { 3450 fcparam *fcp; 3451 3452 fcp = FCPARAM(isp, bus); 3453 3454 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 3455 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 3456 switch (fcp->role) { 3457 case ISP_ROLE_NONE: 3458 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 3459 break; 3460 case ISP_ROLE_TARGET: 3461 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 3462 break; 3463 case ISP_ROLE_INITIATOR: 3464 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 3465 break; 3466 case ISP_ROLE_BOTH: 3467 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 3468 break; 3469 } 3470 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 3471 ccb->ccb_h.status = CAM_REQ_CMP; 3472 } else { 3473 ccb->ccb_h.status = CAM_REQ_INVALID; 3474 } 3475 xpt_done(ccb); 3476 break; 3477 } 3478 case XPT_PATH_INQ: /* Path routing inquiry */ 3479 { 3480 struct ccb_pathinq *cpi = &ccb->cpi; 3481 3482 cpi->version_num = 1; 3483 #ifdef ISP_TARGET_MODE 3484 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp)) 3485 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3486 else 3487 #endif 3488 cpi->target_sprt = 0; 3489 cpi->hba_eng_cnt = 0; 3490 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 3491 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ? 3492 255 : ISP_MAX_LUNS(isp) - 1; 3493 cpi->bus_id = cam_sim_bus(sim); 3494 if (sizeof (bus_size_t) > 4) 3495 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 3496 else 3497 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 3498 3499 if (IS_FC(isp)) { 3500 fcparam *fcp = FCPARAM(isp, bus); 3501 3502 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 3503 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 3504 3505 /* 3506 * Because our loop ID can shift from time to time, 3507 * make our initiator ID out of range of our bus. 3508 */ 3509 cpi->initiator_id = cpi->max_target + 1; 3510 3511 /* 3512 * Set base transfer capabilities for Fibre Channel, for this HBA. 3513 */ 3514 if (IS_25XX(isp)) { 3515 cpi->base_transfer_speed = 8000000; 3516 } else if (IS_24XX(isp)) { 3517 cpi->base_transfer_speed = 4000000; 3518 } else if (IS_23XX(isp)) { 3519 cpi->base_transfer_speed = 2000000; 3520 } else { 3521 cpi->base_transfer_speed = 1000000; 3522 } 3523 cpi->hba_inquiry = PI_TAG_ABLE; 3524 cpi->transport = XPORT_FC; 3525 cpi->transport_version = 0; 3526 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 3527 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 3528 cpi->xport_specific.fc.port = fcp->isp_portid; 3529 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 3530 } else { 3531 sdparam *sdp = SDPARAM(isp, bus); 3532 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3533 cpi->hba_misc = PIM_UNMAPPED; 3534 cpi->initiator_id = sdp->isp_initiator_id; 3535 cpi->base_transfer_speed = 3300; 3536 cpi->transport = XPORT_SPI; 3537 cpi->transport_version = 2; 3538 } 3539 cpi->protocol = PROTO_SCSI; 3540 cpi->protocol_version = SCSI_REV_2; 3541 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3542 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 3543 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3544 cpi->unit_number = cam_sim_unit(sim); 3545 cpi->ccb_h.status = CAM_REQ_CMP; 3546 xpt_done(ccb); 3547 break; 3548 } 3549 default: 3550 ccb->ccb_h.status = CAM_REQ_INVALID; 3551 xpt_done(ccb); 3552 break; 3553 } 3554 } 3555 3556 void 3557 isp_done(XS_T *sccb) 3558 { 3559 ispsoftc_t *isp = XS_ISP(sccb); 3560 uint32_t status; 3561 3562 if (XS_NOERR(sccb)) 3563 XS_SETERR(sccb, CAM_REQ_CMP); 3564 3565 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 3566 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 3567 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 3568 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 3569 } else { 3570 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 3571 } 3572 } 3573 3574 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3575 status = sccb->ccb_h.status & CAM_STATUS_MASK; 3576 if (status != CAM_REQ_CMP && 3577 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 3578 sccb->ccb_h.status |= CAM_DEV_QFRZN; 3579 xpt_freeze_devq(sccb->ccb_h.path, 1); 3580 } 3581 3582 if (ISP_PCMD(sccb)) { 3583 if (callout_active(&PISP_PCMD(sccb)->wdog)) 3584 callout_stop(&PISP_PCMD(sccb)->wdog); 3585 isp_free_pcmd(isp, (union ccb *) sccb); 3586 } 3587 xpt_done((union ccb *) sccb); 3588 } 3589 3590 void 3591 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 3592 { 3593 int bus; 3594 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 3595 char buf[64]; 3596 char *msg = NULL; 3597 target_id_t tgt = 0; 3598 fcportdb_t *lp; 3599 struct isp_fc *fc; 3600 struct cam_path *tmppath; 3601 struct ac_contract ac; 3602 struct ac_device_changed *adc; 3603 va_list ap; 3604 3605 switch (cmd) { 3606 case ISPASYNC_NEW_TGT_PARAMS: 3607 { 3608 struct ccb_trans_settings_scsi *scsi; 3609 struct ccb_trans_settings_spi *spi; 3610 int flags, tgt; 3611 sdparam *sdp; 3612 struct ccb_trans_settings cts; 3613 3614 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 3615 3616 va_start(ap, cmd); 3617 bus = va_arg(ap, int); 3618 tgt = va_arg(ap, int); 3619 va_end(ap); 3620 sdp = SDPARAM(isp, bus); 3621 3622 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 3623 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 3624 break; 3625 } 3626 flags = sdp->isp_devparam[tgt].actv_flags; 3627 cts.type = CTS_TYPE_CURRENT_SETTINGS; 3628 cts.protocol = PROTO_SCSI; 3629 cts.transport = XPORT_SPI; 3630 3631 scsi = &cts.proto_specific.scsi; 3632 spi = &cts.xport_specific.spi; 3633 3634 if (flags & DPARM_TQING) { 3635 scsi->valid |= CTS_SCSI_VALID_TQ; 3636 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3637 } 3638 3639 if (flags & DPARM_DISC) { 3640 spi->valid |= CTS_SPI_VALID_DISC; 3641 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3642 } 3643 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 3644 if (flags & DPARM_WIDE) { 3645 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3646 } else { 3647 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3648 } 3649 if (flags & DPARM_SYNC) { 3650 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3651 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3652 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 3653 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 3654 } 3655 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); 3656 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 3657 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 3658 xpt_free_path(tmppath); 3659 break; 3660 } 3661 case ISPASYNC_BUS_RESET: 3662 { 3663 va_start(ap, cmd); 3664 bus = va_arg(ap, int); 3665 va_end(ap); 3666 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 3667 if (IS_FC(isp)) { 3668 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 3669 } else { 3670 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 3671 } 3672 break; 3673 } 3674 case ISPASYNC_LOOP_RESET: 3675 { 3676 uint16_t lipp; 3677 fcparam *fcp; 3678 va_start(ap, cmd); 3679 bus = va_arg(ap, int); 3680 va_end(ap); 3681 3682 lipp = ISP_READ(isp, OUTMAILBOX1); 3683 fcp = FCPARAM(isp, bus); 3684 3685 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp); 3686 /* 3687 * Per FCP-4, a Reset LIP should result in a CRN reset. Other 3688 * LIPs and loop up/down events should never reset the CRN. For 3689 * an as of yet unknown reason, 24xx series cards (and 3690 * potentially others) can interrupt with a LIP Reset status 3691 * when no LIP reset came down the wire. Additionally, the LIP 3692 * primitive accompanying this status would not be a valid LIP 3693 * Reset primitive, but some variation of an invalid AL_PA 3694 * LIP. As a result, we have to verify the AL_PD in the LIP 3695 * addresses our port before blindly resetting. 3696 */ 3697 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF))) 3698 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 3699 isp_loop_changed(isp, bus); 3700 break; 3701 } 3702 case ISPASYNC_LIP: 3703 if (msg == NULL) 3704 msg = "LIP Received"; 3705 /* FALLTHROUGH */ 3706 case ISPASYNC_LOOP_DOWN: 3707 if (msg == NULL) 3708 msg = "LOOP Down"; 3709 /* FALLTHROUGH */ 3710 case ISPASYNC_LOOP_UP: 3711 if (msg == NULL) 3712 msg = "LOOP Up"; 3713 va_start(ap, cmd); 3714 bus = va_arg(ap, int); 3715 va_end(ap); 3716 isp_loop_changed(isp, bus); 3717 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3718 break; 3719 case ISPASYNC_DEV_ARRIVED: 3720 va_start(ap, cmd); 3721 bus = va_arg(ap, int); 3722 lp = va_arg(ap, fcportdb_t *); 3723 va_end(ap); 3724 fc = ISP_FC_PC(isp, bus); 3725 tgt = FC_PORTDB_TGT(isp, bus, lp); 3726 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3727 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 3728 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3729 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 3730 lp->is_target = 1; 3731 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3732 isp_make_here(isp, lp, bus, tgt); 3733 } 3734 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3735 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 3736 lp->is_initiator = 1; 3737 ac.contract_number = AC_CONTRACT_DEV_CHG; 3738 adc = (struct ac_device_changed *) ac.contract_data; 3739 adc->wwpn = lp->port_wwn; 3740 adc->port = lp->portid; 3741 adc->target = tgt; 3742 adc->arrived = 1; 3743 xpt_async(AC_CONTRACT, fc->path, &ac); 3744 } 3745 break; 3746 case ISPASYNC_DEV_CHANGED: 3747 case ISPASYNC_DEV_STAYED: 3748 { 3749 int crn_reset_done; 3750 3751 crn_reset_done = 0; 3752 va_start(ap, cmd); 3753 bus = va_arg(ap, int); 3754 lp = va_arg(ap, fcportdb_t *); 3755 va_end(ap); 3756 fc = ISP_FC_PC(isp, bus); 3757 tgt = FC_PORTDB_TGT(isp, bus, lp); 3758 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 3759 if (cmd == ISPASYNC_DEV_CHANGED) 3760 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 3761 else 3762 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 3763 3764 if (lp->is_target != 3765 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3766 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 3767 lp->is_target = !lp->is_target; 3768 if (lp->is_target) { 3769 if (cmd == ISPASYNC_DEV_CHANGED) { 3770 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3771 crn_reset_done = 1; 3772 } 3773 isp_make_here(isp, lp, bus, tgt); 3774 } else { 3775 isp_make_gone(isp, lp, bus, tgt); 3776 if (cmd == ISPASYNC_DEV_CHANGED) { 3777 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3778 crn_reset_done = 1; 3779 } 3780 } 3781 } 3782 if (lp->is_initiator != 3783 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3784 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 3785 lp->is_initiator = !lp->is_initiator; 3786 ac.contract_number = AC_CONTRACT_DEV_CHG; 3787 adc = (struct ac_device_changed *) ac.contract_data; 3788 adc->wwpn = lp->port_wwn; 3789 adc->port = lp->portid; 3790 adc->target = tgt; 3791 adc->arrived = lp->is_initiator; 3792 xpt_async(AC_CONTRACT, fc->path, &ac); 3793 } 3794 3795 if ((cmd == ISPASYNC_DEV_CHANGED) && 3796 (crn_reset_done == 0)) 3797 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3798 3799 break; 3800 } 3801 case ISPASYNC_DEV_GONE: 3802 va_start(ap, cmd); 3803 bus = va_arg(ap, int); 3804 lp = va_arg(ap, fcportdb_t *); 3805 va_end(ap); 3806 fc = ISP_FC_PC(isp, bus); 3807 tgt = FC_PORTDB_TGT(isp, bus, lp); 3808 /* 3809 * If this has a virtual target or initiator set the isp_gdt 3810 * timer running on it to delay its departure. 3811 */ 3812 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3813 if (lp->is_target || lp->is_initiator) { 3814 lp->state = FC_PORTDB_STATE_ZOMBIE; 3815 lp->gone_timer = fc->gone_device_time; 3816 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 3817 if (fc->ready && !callout_active(&fc->gdt)) { 3818 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); 3819 callout_reset(&fc->gdt, hz, isp_gdt, fc); 3820 } 3821 break; 3822 } 3823 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 3824 break; 3825 case ISPASYNC_CHANGE_NOTIFY: 3826 { 3827 char *msg; 3828 int evt, nphdl, nlstate, portid, reason; 3829 3830 va_start(ap, cmd); 3831 bus = va_arg(ap, int); 3832 evt = va_arg(ap, int); 3833 if (evt == ISPASYNC_CHANGE_PDB) { 3834 nphdl = va_arg(ap, int); 3835 nlstate = va_arg(ap, int); 3836 reason = va_arg(ap, int); 3837 } else if (evt == ISPASYNC_CHANGE_SNS) { 3838 portid = va_arg(ap, int); 3839 } else { 3840 nphdl = NIL_HANDLE; 3841 nlstate = reason = 0; 3842 } 3843 va_end(ap); 3844 3845 if (evt == ISPASYNC_CHANGE_PDB) { 3846 int tgt_set = 0; 3847 msg = "Port Database Changed"; 3848 isp_prt(isp, ISP_LOGINFO, 3849 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3850 bus, msg, nphdl, nlstate, reason); 3851 /* 3852 * Port database syncs are not sufficient for 3853 * determining that logins or logouts are done on the 3854 * loop, but this information is directly available from 3855 * the reason code from the incoming mbox. We must reset 3856 * the fcp crn on these events according to FCP-4 3857 */ 3858 switch (reason) { 3859 case PDB24XX_AE_IMPL_LOGO_1: 3860 case PDB24XX_AE_IMPL_LOGO_2: 3861 case PDB24XX_AE_IMPL_LOGO_3: 3862 case PDB24XX_AE_PLOGI_RCVD: 3863 case PDB24XX_AE_PRLI_RCVD: 3864 case PDB24XX_AE_PRLO_RCVD: 3865 case PDB24XX_AE_LOGO_RCVD: 3866 case PDB24XX_AE_PLOGI_DONE: 3867 case PDB24XX_AE_PRLI_DONE: 3868 /* 3869 * If the event is not global, twiddle tgt and 3870 * tgt_set to nominate only the target 3871 * associated with the nphdl. 3872 */ 3873 if (nphdl != PDB24XX_AE_GLOBAL) { 3874 /* Break if we don't yet have the pdb */ 3875 if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp)) 3876 break; 3877 tgt = FC_PORTDB_TGT(isp, bus, lp); 3878 tgt_set = 1; 3879 } 3880 isp_fcp_reset_crn(isp, bus, tgt, tgt_set); 3881 break; 3882 default: 3883 break; /* NOP */ 3884 } 3885 } else if (evt == ISPASYNC_CHANGE_SNS) { 3886 msg = "Name Server Database Changed"; 3887 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3888 bus, msg, portid); 3889 } else { 3890 msg = "Other Change Notify"; 3891 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3892 } 3893 isp_loop_changed(isp, bus); 3894 break; 3895 } 3896 #ifdef ISP_TARGET_MODE 3897 case ISPASYNC_TARGET_NOTIFY: 3898 { 3899 isp_notify_t *notify; 3900 va_start(ap, cmd); 3901 notify = va_arg(ap, isp_notify_t *); 3902 va_end(ap); 3903 switch (notify->nt_ncode) { 3904 case NT_ABORT_TASK: 3905 case NT_ABORT_TASK_SET: 3906 case NT_CLEAR_ACA: 3907 case NT_CLEAR_TASK_SET: 3908 case NT_LUN_RESET: 3909 case NT_TARGET_RESET: 3910 case NT_QUERY_TASK_SET: 3911 case NT_QUERY_ASYNC_EVENT: 3912 /* 3913 * These are task management functions. 3914 */ 3915 isp_handle_platform_target_tmf(isp, notify); 3916 break; 3917 case NT_BUS_RESET: 3918 case NT_LIP_RESET: 3919 case NT_LINK_UP: 3920 case NT_LINK_DOWN: 3921 case NT_HBA_RESET: 3922 /* 3923 * No action need be taken here. 3924 */ 3925 break; 3926 case NT_GLOBAL_LOGOUT: 3927 case NT_LOGOUT: 3928 /* 3929 * This is device arrival/departure notification 3930 */ 3931 isp_handle_platform_target_notify_ack(isp, notify, 0); 3932 break; 3933 case NT_SRR: 3934 isp_handle_platform_srr(isp, notify); 3935 break; 3936 default: 3937 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3938 isp_handle_platform_target_notify_ack(isp, notify, 0); 3939 break; 3940 } 3941 break; 3942 } 3943 case ISPASYNC_TARGET_NOTIFY_ACK: 3944 { 3945 void *inot; 3946 va_start(ap, cmd); 3947 inot = va_arg(ap, void *); 3948 va_end(ap); 3949 if (isp_notify_ack(isp, inot)) { 3950 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3951 if (tp) { 3952 tp->isp = isp; 3953 memcpy(tp->data, inot, sizeof (tp->data)); 3954 tp->not = tp->data; 3955 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3956 callout_reset(&tp->timer, 5, 3957 isp_refire_notify_ack, tp); 3958 } else { 3959 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3960 } 3961 } 3962 break; 3963 } 3964 case ISPASYNC_TARGET_ACTION: 3965 { 3966 isphdr_t *hp; 3967 3968 va_start(ap, cmd); 3969 hp = va_arg(ap, isphdr_t *); 3970 va_end(ap); 3971 switch (hp->rqs_entry_type) { 3972 case RQSTYPE_ATIO: 3973 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 3974 break; 3975 case RQSTYPE_ATIO2: 3976 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 3977 break; 3978 case RQSTYPE_CTIO7: 3979 case RQSTYPE_CTIO3: 3980 case RQSTYPE_CTIO2: 3981 case RQSTYPE_CTIO: 3982 isp_handle_platform_ctio(isp, hp); 3983 break; 3984 default: 3985 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3986 __func__, hp->rqs_entry_type); 3987 break; 3988 } 3989 break; 3990 } 3991 #endif 3992 case ISPASYNC_FW_CRASH: 3993 { 3994 uint16_t mbox1, mbox6; 3995 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3996 if (IS_DUALBUS(isp)) { 3997 mbox6 = ISP_READ(isp, OUTMAILBOX6); 3998 } else { 3999 mbox6 = 0; 4000 } 4001 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 4002 #if 0 4003 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 4004 isp->isp_osinfo.mbox_sleep_ok = 0; 4005 isp_reinit(isp, 1); 4006 isp->isp_osinfo.mbox_sleep_ok = mbox1; 4007 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 4008 #endif 4009 break; 4010 } 4011 default: 4012 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 4013 break; 4014 } 4015 } 4016 4017 uint64_t 4018 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 4019 { 4020 uint64_t seed; 4021 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4022 4023 /* First try to use explicitly configured WWNs. */ 4024 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 4025 if (seed) 4026 return (seed); 4027 4028 /* Otherwise try to use WWNs from NVRAM. */ 4029 if (isactive) { 4030 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 4031 FCPARAM(isp, chan)->isp_wwpn_nvram; 4032 if (seed) 4033 return (seed); 4034 } 4035 4036 /* If still no WWNs, try to steal them from the first channel. */ 4037 if (chan > 0) { 4038 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 4039 ISP_FC_PC(isp, 0)->def_wwpn; 4040 if (seed == 0) { 4041 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 4042 FCPARAM(isp, 0)->isp_wwpn_nvram; 4043 } 4044 } 4045 4046 /* If still nothing -- improvise. */ 4047 if (seed == 0) { 4048 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 4049 if (!iswwnn) 4050 seed ^= 0x0100000000000000ULL; 4051 } 4052 4053 /* For additional channels we have to improvise even more. */ 4054 if (!iswwnn && chan > 0) { 4055 /* 4056 * We'll stick our channel number plus one first into bits 4057 * 57..59 and thence into bits 52..55 which allows for 8 bits 4058 * of channel which is enough for our maximum of 255 channels. 4059 */ 4060 seed ^= 0x0100000000000000ULL; 4061 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 4062 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 4063 } 4064 return (seed); 4065 } 4066 4067 void 4068 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 4069 { 4070 int loc; 4071 char lbuf[200]; 4072 va_list ap; 4073 4074 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4075 return; 4076 } 4077 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 4078 loc = strlen(lbuf); 4079 va_start(ap, fmt); 4080 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 4081 va_end(ap); 4082 printf("%s\n", lbuf); 4083 } 4084 4085 void 4086 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 4087 { 4088 va_list ap; 4089 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4090 return; 4091 } 4092 xpt_print_path(xs->ccb_h.path); 4093 va_start(ap, fmt); 4094 vprintf(fmt, ap); 4095 va_end(ap); 4096 printf("\n"); 4097 } 4098 4099 uint64_t 4100 isp_nanotime_sub(struct timespec *b, struct timespec *a) 4101 { 4102 uint64_t elapsed; 4103 struct timespec x; 4104 4105 timespecsub(b, a, &x); 4106 elapsed = GET_NANOSEC(&x); 4107 if (elapsed == 0) 4108 elapsed++; 4109 return (elapsed); 4110 } 4111 4112 int 4113 isp_mbox_acquire(ispsoftc_t *isp) 4114 { 4115 if (isp->isp_osinfo.mboxbsy) { 4116 return (1); 4117 } else { 4118 isp->isp_osinfo.mboxcmd_done = 0; 4119 isp->isp_osinfo.mboxbsy = 1; 4120 return (0); 4121 } 4122 } 4123 4124 void 4125 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 4126 { 4127 u_int t, to; 4128 4129 to = (mbp->timeout == 0) ? MBCMD_DEFAULT_TIMEOUT : mbp->timeout; 4130 if (isp->isp_osinfo.mbox_sleep_ok) { 4131 isp->isp_osinfo.mbox_sleep_ok = 0; 4132 isp->isp_osinfo.mbox_sleeping = 1; 4133 msleep_sbt(&isp->isp_osinfo.mboxcmd_done, &isp->isp_lock, 4134 PRIBIO, "ispmbx_sleep", to * SBT_1US, 0, 0); 4135 isp->isp_osinfo.mbox_sleep_ok = 1; 4136 isp->isp_osinfo.mbox_sleeping = 0; 4137 } else { 4138 for (t = 0; t < to; t += 100) { 4139 if (isp->isp_osinfo.mboxcmd_done) 4140 break; 4141 ISP_RUN_ISR(isp); 4142 if (isp->isp_osinfo.mboxcmd_done) 4143 break; 4144 ISP_DELAY(100); 4145 } 4146 } 4147 if (isp->isp_osinfo.mboxcmd_done == 0) { 4148 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (%s:%d)", 4149 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 4150 isp->isp_lastmbxcmd, to, mbp->func, mbp->lineno); 4151 mbp->param[0] = MBOX_TIMEOUT; 4152 isp->isp_osinfo.mboxcmd_done = 1; 4153 } 4154 } 4155 4156 void 4157 isp_mbox_notify_done(ispsoftc_t *isp) 4158 { 4159 isp->isp_osinfo.mboxcmd_done = 1; 4160 if (isp->isp_osinfo.mbox_sleeping) 4161 wakeup(&isp->isp_osinfo.mboxcmd_done); 4162 } 4163 4164 void 4165 isp_mbox_release(ispsoftc_t *isp) 4166 { 4167 isp->isp_osinfo.mboxbsy = 0; 4168 } 4169 4170 int 4171 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 4172 { 4173 int ret = 0; 4174 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 4175 ret = -1; 4176 } else { 4177 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 4178 } 4179 return (ret); 4180 } 4181 4182 void 4183 isp_platform_intr(void *arg) 4184 { 4185 ispsoftc_t *isp = arg; 4186 4187 ISP_LOCK(isp); 4188 ISP_RUN_ISR(isp); 4189 ISP_UNLOCK(isp); 4190 } 4191 4192 void 4193 isp_platform_intr_resp(void *arg) 4194 { 4195 ispsoftc_t *isp = arg; 4196 4197 ISP_LOCK(isp); 4198 isp_intr_respq(isp); 4199 ISP_UNLOCK(isp); 4200 4201 /* We have handshake enabled, so explicitly complete interrupt */ 4202 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4203 } 4204 4205 void 4206 isp_platform_intr_atio(void *arg) 4207 { 4208 ispsoftc_t *isp = arg; 4209 4210 ISP_LOCK(isp); 4211 #ifdef ISP_TARGET_MODE 4212 isp_intr_atioq(isp); 4213 #endif 4214 ISP_UNLOCK(isp); 4215 4216 /* We have handshake enabled, so explicitly complete interrupt */ 4217 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4218 } 4219 4220 void 4221 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 4222 { 4223 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4224 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 4225 } else { 4226 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 4227 } 4228 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 4229 } 4230 4231 /* 4232 * Reset the command reference number for all LUNs on a specific target 4233 * (needed when a target arrives again) or for all targets on a port 4234 * (needed for events like a LIP). 4235 */ 4236 void 4237 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 4238 { 4239 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4240 struct isp_nexus *nxp; 4241 int i; 4242 4243 if (tgt_set == 0) 4244 isp_prt(isp, ISP_LOGDEBUG0, 4245 "Chan %d resetting CRN on all targets", chan); 4246 else 4247 isp_prt(isp, ISP_LOGDEBUG0, 4248 "Chan %d resetting CRN on target %u", chan, tgt); 4249 4250 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 4251 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 4252 if (tgt_set == 0 || tgt == nxp->tgt) 4253 nxp->crnseed = 0; 4254 } 4255 } 4256 } 4257 4258 int 4259 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 4260 { 4261 lun_id_t lun; 4262 uint32_t chan, tgt; 4263 struct isp_fc *fc; 4264 struct isp_nexus *nxp; 4265 int idx; 4266 4267 if (IS_2100(isp)) 4268 return (0); 4269 4270 chan = XS_CHANNEL(cmd); 4271 tgt = XS_TGT(cmd); 4272 lun = XS_LUN(cmd); 4273 fc = &isp->isp_osinfo.pc.fc[chan]; 4274 idx = NEXUS_HASH(tgt, lun); 4275 nxp = fc->nexus_hash[idx]; 4276 4277 while (nxp) { 4278 if (nxp->tgt == tgt && nxp->lun == lun) 4279 break; 4280 nxp = nxp->next; 4281 } 4282 if (nxp == NULL) { 4283 nxp = fc->nexus_free_list; 4284 if (nxp == NULL) { 4285 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 4286 if (nxp == NULL) { 4287 return (-1); 4288 } 4289 } else { 4290 fc->nexus_free_list = nxp->next; 4291 } 4292 nxp->tgt = tgt; 4293 nxp->lun = lun; 4294 nxp->next = fc->nexus_hash[idx]; 4295 fc->nexus_hash[idx] = nxp; 4296 } 4297 if (nxp->crnseed == 0) 4298 nxp->crnseed = 1; 4299 *crnp = nxp->crnseed++; 4300 return (0); 4301 } 4302 4303 /* 4304 * We enter with the lock held 4305 */ 4306 void 4307 isp_timer(void *arg) 4308 { 4309 ispsoftc_t *isp = arg; 4310 #ifdef ISP_TARGET_MODE 4311 isp_tmcmd_restart(isp); 4312 #endif 4313 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 4314 } 4315 4316 isp_ecmd_t * 4317 isp_get_ecmd(ispsoftc_t *isp) 4318 { 4319 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 4320 if (ecmd) { 4321 isp->isp_osinfo.ecmd_free = ecmd->next; 4322 } 4323 return (ecmd); 4324 } 4325 4326 void 4327 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 4328 { 4329 ecmd->next = isp->isp_osinfo.ecmd_free; 4330 isp->isp_osinfo.ecmd_free = ecmd; 4331 } 4332