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