1 /*- 2 * Copyright (c) 1997-2009 by Matthew Jacob 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice immediately at the beginning of the file, without modification, 10 * this list of conditions, and the following disclaimer. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 /* 28 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters. 29 */ 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <dev/isp/isp_freebsd.h> 34 #include <sys/unistd.h> 35 #include <sys/kthread.h> 36 #include <sys/conf.h> 37 #include <sys/module.h> 38 #include <sys/ioccom.h> 39 #include <dev/isp/isp_ioctl.h> 40 #include <sys/devicestat.h> 41 #include <cam/cam_periph.h> 42 #include <cam/cam_xpt_periph.h> 43 44 MODULE_VERSION(isp, 1); 45 MODULE_DEPEND(isp, cam, 1, 1, 1); 46 int isp_announced = 0; 47 int isp_loop_down_limit = 60; /* default loop down limit */ 48 int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */ 49 int isp_gone_device_time = 30; /* grace time before reporting device lost */ 50 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 51 52 static void isp_freeze_loopdown(ispsoftc_t *, int); 53 static void isp_loop_changed(ispsoftc_t *isp, int chan); 54 static d_ioctl_t ispioctl; 55 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *); 56 static void isp_poll(struct cam_sim *); 57 static timeout_t isp_watchdog; 58 static timeout_t isp_gdt; 59 static task_fn_t isp_gdt_task; 60 static void isp_kthread(void *); 61 static void isp_action(struct cam_sim *, union ccb *); 62 static int isp_timer_count; 63 static void isp_timer(void *); 64 65 static struct cdevsw isp_cdevsw = { 66 .d_version = D_VERSION, 67 .d_ioctl = ispioctl, 68 .d_name = "isp", 69 }; 70 71 static int 72 isp_role_sysctl(SYSCTL_HANDLER_ARGS) 73 { 74 ispsoftc_t *isp = (ispsoftc_t *)arg1; 75 int chan = arg2; 76 int error, old, value; 77 78 value = FCPARAM(isp, chan)->role; 79 80 error = sysctl_handle_int(oidp, &value, 0, req); 81 if ((error != 0) || (req->newptr == NULL)) 82 return (error); 83 84 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 85 return (EINVAL); 86 87 ISP_LOCK(isp); 88 old = FCPARAM(isp, chan)->role; 89 90 /* We don't allow target mode switch from here. */ 91 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 92 93 /* If nothing has changed -- we are done. */ 94 if (value == old) { 95 ISP_UNLOCK(isp); 96 return (0); 97 } 98 99 /* Actually change the role. */ 100 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 101 ISP_UNLOCK(isp); 102 return (error); 103 } 104 105 static int 106 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 107 { 108 struct ccb_setasync csa; 109 struct cam_sim *sim; 110 struct cam_path *path; 111 #ifdef ISP_TARGET_MODE 112 int i; 113 #endif 114 115 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 116 device_get_unit(isp->isp_dev), &isp->isp_lock, 117 isp->isp_maxcmds, isp->isp_maxcmds, devq); 118 if (sim == NULL) 119 return (ENOMEM); 120 121 ISP_LOCK(isp); 122 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 123 ISP_UNLOCK(isp); 124 cam_sim_free(sim, FALSE); 125 return (EIO); 126 } 127 ISP_UNLOCK(isp); 128 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 129 ISP_LOCK(isp); 130 xpt_bus_deregister(cam_sim_path(sim)); 131 ISP_UNLOCK(isp); 132 cam_sim_free(sim, FALSE); 133 return (ENXIO); 134 } 135 xpt_setup_ccb(&csa.ccb_h, path, 5); 136 csa.ccb_h.func_code = XPT_SASYNC_CB; 137 csa.event_enable = AC_LOST_DEVICE; 138 csa.callback = isp_cam_async; 139 csa.callback_arg = sim; 140 141 ISP_LOCK(isp); 142 xpt_action((union ccb *)&csa); 143 ISP_UNLOCK(isp); 144 145 if (IS_SCSI(isp)) { 146 struct isp_spi *spi = ISP_SPI_PC(isp, chan); 147 spi->sim = sim; 148 spi->path = path; 149 #ifdef ISP_TARGET_MODE 150 TAILQ_INIT(&spi->waitq); 151 STAILQ_INIT(&spi->ntfree); 152 for (i = 0; i < ATPDPSIZE; i++) 153 STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next); 154 LIST_INIT(&spi->atfree); 155 for (i = ATPDPSIZE-1; i >= 0; i--) 156 LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next); 157 for (i = 0; i < ATPDPHASHSIZE; i++) 158 LIST_INIT(&spi->atused[i]); 159 #endif 160 } else { 161 fcparam *fcp = FCPARAM(isp, chan); 162 struct isp_fc *fc = ISP_FC_PC(isp, chan); 163 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 164 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 165 char name[16]; 166 167 ISP_LOCK(isp); 168 fc->sim = sim; 169 fc->path = path; 170 fc->isp = isp; 171 fc->ready = 1; 172 173 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0); 174 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 175 #ifdef ISP_TARGET_MODE 176 TAILQ_INIT(&fc->waitq); 177 STAILQ_INIT(&fc->ntfree); 178 for (i = 0; i < ATPDPSIZE; i++) 179 STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next); 180 LIST_INIT(&fc->atfree); 181 for (i = ATPDPSIZE-1; i >= 0; i--) 182 LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next); 183 for (i = 0; i < ATPDPHASHSIZE; i++) 184 LIST_INIT(&fc->atused[i]); 185 #endif 186 isp_loop_changed(isp, chan); 187 ISP_UNLOCK(isp); 188 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0, 189 "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 190 xpt_free_path(fc->path); 191 ISP_LOCK(isp); 192 xpt_bus_deregister(cam_sim_path(fc->sim)); 193 ISP_UNLOCK(isp); 194 cam_sim_free(fc->sim, FALSE); 195 return (ENOMEM); 196 } 197 fc->num_threads += 1; 198 if (chan > 0) { 199 snprintf(name, sizeof(name), "chan%d", chan); 200 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 201 OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel"); 202 } 203 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 204 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 205 "World Wide Node Name"); 206 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 207 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 208 "World Wide Port Name"); 209 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 210 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 211 "Loop Down Limit"); 212 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 213 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 214 "Gone Device Time"); 215 #if defined(ISP_TARGET_MODE) && defined(DEBUG) 216 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 217 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 218 "Cause a Lost Frame on a Read"); 219 #endif 220 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 221 "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan, 222 isp_role_sysctl, "I", "Current role"); 223 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 224 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 225 "Connection speed in gigabits"); 226 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 227 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 228 "Link state"); 229 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 230 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 231 "Firmware state"); 232 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 233 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 234 "Loop state"); 235 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 236 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 237 "Connection topology"); 238 } 239 return (0); 240 } 241 242 static void 243 isp_detach_chan(ispsoftc_t *isp, int chan) 244 { 245 struct cam_sim *sim; 246 struct cam_path *path; 247 struct ccb_setasync csa; 248 int *num_threads; 249 250 ISP_GET_PC(isp, chan, sim, sim); 251 ISP_GET_PC(isp, chan, path, path); 252 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 253 254 xpt_setup_ccb(&csa.ccb_h, path, 5); 255 csa.ccb_h.func_code = XPT_SASYNC_CB; 256 csa.event_enable = 0; 257 csa.callback = isp_cam_async; 258 csa.callback_arg = sim; 259 xpt_action((union ccb *)&csa); 260 xpt_free_path(path); 261 xpt_bus_deregister(cam_sim_path(sim)); 262 cam_sim_free(sim, FALSE); 263 264 /* Wait for the channel's spawned threads to exit. */ 265 wakeup(isp->isp_osinfo.pc.ptr); 266 while (*num_threads != 0) 267 mtx_sleep(isp, &isp->isp_lock, PRIBIO, "isp_reap", 100); 268 } 269 270 int 271 isp_attach(ispsoftc_t *isp) 272 { 273 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 274 int du = device_get_unit(isp->isp_dev); 275 int chan; 276 277 /* 278 * Create the device queue for our SIM(s). 279 */ 280 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 281 if (isp->isp_osinfo.devq == NULL) { 282 return (EIO); 283 } 284 285 for (chan = 0; chan < isp->isp_nchan; chan++) { 286 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 287 goto unwind; 288 } 289 } 290 291 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0); 292 isp_timer_count = hz >> 2; 293 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 294 295 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 296 if (isp->isp_osinfo.cdev) { 297 isp->isp_osinfo.cdev->si_drv1 = isp; 298 } 299 return (0); 300 301 unwind: 302 while (--chan >= 0) { 303 struct cam_sim *sim; 304 struct cam_path *path; 305 306 ISP_GET_PC(isp, chan, sim, sim); 307 ISP_GET_PC(isp, chan, path, path); 308 xpt_free_path(path); 309 ISP_LOCK(isp); 310 xpt_bus_deregister(cam_sim_path(sim)); 311 ISP_UNLOCK(isp); 312 cam_sim_free(sim, FALSE); 313 } 314 cam_simq_free(isp->isp_osinfo.devq); 315 isp->isp_osinfo.devq = NULL; 316 return (-1); 317 } 318 319 int 320 isp_detach(ispsoftc_t *isp) 321 { 322 int chan; 323 324 if (isp->isp_osinfo.cdev) { 325 destroy_dev(isp->isp_osinfo.cdev); 326 isp->isp_osinfo.cdev = NULL; 327 } 328 ISP_LOCK(isp); 329 /* Tell spawned threads that we're exiting. */ 330 isp->isp_osinfo.is_exiting = 1; 331 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 332 isp_detach_chan(isp, chan); 333 ISP_UNLOCK(isp); 334 callout_drain(&isp->isp_osinfo.tmo); 335 cam_simq_free(isp->isp_osinfo.devq); 336 return (0); 337 } 338 339 static void 340 isp_freeze_loopdown(ispsoftc_t *isp, int chan) 341 { 342 struct isp_fc *fc = ISP_FC_PC(isp, chan); 343 344 if (fc->sim == NULL) 345 return; 346 if (fc->simqfrozen == 0) { 347 isp_prt(isp, ISP_LOGDEBUG0, 348 "Chan %d Freeze simq (loopdown)", chan); 349 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 350 xpt_hold_boot(); 351 xpt_freeze_simq(fc->sim, 1); 352 } else { 353 isp_prt(isp, ISP_LOGDEBUG0, 354 "Chan %d Mark simq frozen (loopdown)", chan); 355 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 356 } 357 } 358 359 static void 360 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 361 { 362 struct isp_fc *fc = ISP_FC_PC(isp, chan); 363 364 if (fc->sim == NULL) 365 return; 366 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 367 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 368 if (wasfrozen && fc->simqfrozen == 0) { 369 isp_prt(isp, ISP_LOGDEBUG0, 370 "Chan %d Release simq", chan); 371 xpt_release_simq(fc->sim, 1); 372 xpt_release_boot(); 373 } 374 } 375 376 static int 377 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 378 { 379 ispsoftc_t *isp; 380 int nr, chan, retval = ENOTTY; 381 382 isp = dev->si_drv1; 383 384 switch (c) { 385 case ISP_SDBLEV: 386 { 387 int olddblev = isp->isp_dblev; 388 isp->isp_dblev = *(int *)addr; 389 *(int *)addr = olddblev; 390 retval = 0; 391 break; 392 } 393 case ISP_GETROLE: 394 chan = *(int *)addr; 395 if (chan < 0 || chan >= isp->isp_nchan) { 396 retval = -ENXIO; 397 break; 398 } 399 if (IS_FC(isp)) { 400 *(int *)addr = FCPARAM(isp, chan)->role; 401 } else { 402 *(int *)addr = ISP_ROLE_INITIATOR; 403 } 404 retval = 0; 405 break; 406 case ISP_SETROLE: 407 if (IS_SCSI(isp)) 408 break; 409 nr = *(int *)addr; 410 chan = nr >> 8; 411 if (chan < 0 || chan >= isp->isp_nchan) { 412 retval = -ENXIO; 413 break; 414 } 415 nr &= 0xff; 416 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 417 retval = EINVAL; 418 break; 419 } 420 ISP_LOCK(isp); 421 *(int *)addr = FCPARAM(isp, chan)->role; 422 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 423 ISP_UNLOCK(isp); 424 retval = 0; 425 break; 426 427 case ISP_RESETHBA: 428 ISP_LOCK(isp); 429 isp_reinit(isp, 0); 430 ISP_UNLOCK(isp); 431 retval = 0; 432 break; 433 434 case ISP_RESCAN: 435 if (IS_FC(isp)) { 436 chan = *(int *)addr; 437 if (chan < 0 || chan >= isp->isp_nchan) { 438 retval = -ENXIO; 439 break; 440 } 441 ISP_LOCK(isp); 442 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 443 retval = EIO; 444 } else { 445 retval = 0; 446 } 447 ISP_UNLOCK(isp); 448 } 449 break; 450 451 case ISP_FC_LIP: 452 if (IS_FC(isp)) { 453 chan = *(int *)addr; 454 if (chan < 0 || chan >= isp->isp_nchan) { 455 retval = -ENXIO; 456 break; 457 } 458 ISP_LOCK(isp); 459 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 460 retval = EIO; 461 } else { 462 retval = 0; 463 } 464 ISP_UNLOCK(isp); 465 } 466 break; 467 case ISP_FC_GETDINFO: 468 { 469 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 470 fcportdb_t *lp; 471 472 if (IS_SCSI(isp)) { 473 break; 474 } 475 if (ifc->loopid >= MAX_FC_TARG) { 476 retval = EINVAL; 477 break; 478 } 479 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 480 if (lp->state != FC_PORTDB_STATE_NIL) { 481 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 482 ifc->loopid = lp->handle; 483 ifc->portid = lp->portid; 484 ifc->node_wwn = lp->node_wwn; 485 ifc->port_wwn = lp->port_wwn; 486 retval = 0; 487 } else { 488 retval = ENODEV; 489 } 490 break; 491 } 492 case ISP_FC_GETHINFO: 493 { 494 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 495 int chan = hba->fc_channel; 496 497 if (chan < 0 || chan >= isp->isp_nchan) { 498 retval = ENXIO; 499 break; 500 } 501 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 502 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 503 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 504 hba->fc_nchannels = isp->isp_nchan; 505 if (IS_FC(isp)) { 506 hba->fc_nports = MAX_FC_TARG; 507 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 508 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 509 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 510 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 511 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 512 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 513 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 514 } else { 515 hba->fc_nports = MAX_TARGETS; 516 hba->fc_speed = 0; 517 hba->fc_topology = 0; 518 hba->nvram_node_wwn = 0ull; 519 hba->nvram_port_wwn = 0ull; 520 hba->active_node_wwn = 0ull; 521 hba->active_port_wwn = 0ull; 522 } 523 retval = 0; 524 break; 525 } 526 case ISP_TSK_MGMT: 527 { 528 int needmarker; 529 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 530 uint16_t nphdl; 531 mbreg_t mbs; 532 533 if (IS_SCSI(isp)) { 534 break; 535 } 536 537 chan = fct->chan; 538 if (chan < 0 || chan >= isp->isp_nchan) { 539 retval = -ENXIO; 540 break; 541 } 542 543 needmarker = retval = 0; 544 nphdl = fct->loopid; 545 ISP_LOCK(isp); 546 if (IS_24XX(isp)) { 547 void *reqp; 548 uint8_t resp[QENTRY_LEN]; 549 isp24xx_tmf_t tmf; 550 isp24xx_statusreq_t sp; 551 fcparam *fcp = FCPARAM(isp, chan); 552 fcportdb_t *lp; 553 int i; 554 555 for (i = 0; i < MAX_FC_TARG; i++) { 556 lp = &fcp->portdb[i]; 557 if (lp->handle == nphdl) { 558 break; 559 } 560 } 561 if (i == MAX_FC_TARG) { 562 retval = ENXIO; 563 ISP_UNLOCK(isp); 564 break; 565 } 566 ISP_MEMZERO(&tmf, sizeof(tmf)); 567 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 568 tmf.tmf_header.rqs_entry_count = 1; 569 tmf.tmf_nphdl = lp->handle; 570 tmf.tmf_delay = 2; 571 tmf.tmf_timeout = 4; 572 tmf.tmf_tidlo = lp->portid; 573 tmf.tmf_tidhi = lp->portid >> 16; 574 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 575 tmf.tmf_lun[1] = fct->lun & 0xff; 576 if (fct->lun >= 256) { 577 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 578 } 579 switch (fct->action) { 580 case IPT_CLEAR_ACA: 581 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 582 break; 583 case IPT_TARGET_RESET: 584 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 585 needmarker = 1; 586 break; 587 case IPT_LUN_RESET: 588 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 589 needmarker = 1; 590 break; 591 case IPT_CLEAR_TASK_SET: 592 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 593 needmarker = 1; 594 break; 595 case IPT_ABORT_TASK_SET: 596 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 597 needmarker = 1; 598 break; 599 default: 600 retval = EINVAL; 601 break; 602 } 603 if (retval) { 604 ISP_UNLOCK(isp); 605 break; 606 } 607 608 /* Prepare space for response in memory */ 609 memset(resp, 0xff, sizeof(resp)); 610 tmf.tmf_handle = isp_allocate_handle(isp, resp, 611 ISP_HANDLE_CTRL); 612 if (tmf.tmf_handle == 0) { 613 isp_prt(isp, ISP_LOGERR, 614 "%s: TMF of Chan %d out of handles", 615 __func__, chan); 616 ISP_UNLOCK(isp); 617 retval = ENOMEM; 618 break; 619 } 620 621 /* Send request and wait for response. */ 622 reqp = isp_getrqentry(isp); 623 if (reqp == NULL) { 624 isp_prt(isp, ISP_LOGERR, 625 "%s: TMF of Chan %d out of rqent", 626 __func__, chan); 627 isp_destroy_handle(isp, tmf.tmf_handle); 628 ISP_UNLOCK(isp); 629 retval = EIO; 630 break; 631 } 632 isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp); 633 if (isp->isp_dblev & ISP_LOGDEBUG1) 634 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp); 635 ISP_SYNC_REQUEST(isp); 636 if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) { 637 isp_prt(isp, ISP_LOGERR, 638 "%s: TMF of Chan %d timed out", 639 __func__, chan); 640 isp_destroy_handle(isp, tmf.tmf_handle); 641 ISP_UNLOCK(isp); 642 retval = EIO; 643 break; 644 } 645 if (isp->isp_dblev & ISP_LOGDEBUG1) 646 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp); 647 isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp); 648 649 if (sp.req_completion_status != 0) 650 retval = EIO; 651 else if (needmarker) 652 fcp->sendmarker = 1; 653 } else { 654 MBSINIT(&mbs, 0, MBLOGALL, 0); 655 if (ISP_CAP_2KLOGIN(isp) == 0) { 656 nphdl <<= 8; 657 } 658 switch (fct->action) { 659 case IPT_CLEAR_ACA: 660 mbs.param[0] = MBOX_CLEAR_ACA; 661 mbs.param[1] = nphdl; 662 mbs.param[2] = fct->lun; 663 break; 664 case IPT_TARGET_RESET: 665 mbs.param[0] = MBOX_TARGET_RESET; 666 mbs.param[1] = nphdl; 667 needmarker = 1; 668 break; 669 case IPT_LUN_RESET: 670 mbs.param[0] = MBOX_LUN_RESET; 671 mbs.param[1] = nphdl; 672 mbs.param[2] = fct->lun; 673 needmarker = 1; 674 break; 675 case IPT_CLEAR_TASK_SET: 676 mbs.param[0] = MBOX_CLEAR_TASK_SET; 677 mbs.param[1] = nphdl; 678 mbs.param[2] = fct->lun; 679 needmarker = 1; 680 break; 681 case IPT_ABORT_TASK_SET: 682 mbs.param[0] = MBOX_ABORT_TASK_SET; 683 mbs.param[1] = nphdl; 684 mbs.param[2] = fct->lun; 685 needmarker = 1; 686 break; 687 default: 688 retval = EINVAL; 689 break; 690 } 691 if (retval == 0) { 692 if (needmarker) { 693 FCPARAM(isp, chan)->sendmarker = 1; 694 } 695 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 696 if (retval) { 697 retval = EIO; 698 } 699 } 700 } 701 ISP_UNLOCK(isp); 702 break; 703 } 704 default: 705 break; 706 } 707 return (retval); 708 } 709 710 /* 711 * Local Inlines 712 */ 713 714 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 715 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 716 717 static ISP_INLINE int 718 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 719 { 720 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 721 if (ISP_PCMD(ccb) == NULL) { 722 return (-1); 723 } 724 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 725 return (0); 726 } 727 728 static ISP_INLINE void 729 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 730 { 731 if (ISP_PCMD(ccb)) { 732 #ifdef ISP_TARGET_MODE 733 PISP_PCMD(ccb)->datalen = 0; 734 #endif 735 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 736 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 737 ISP_PCMD(ccb) = NULL; 738 } 739 } 740 741 /* 742 * Put the target mode functions here, because some are inlines 743 */ 744 #ifdef ISP_TARGET_MODE 745 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 746 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 747 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 748 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 749 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 750 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 751 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 752 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 753 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 754 static void isp_enable_lun(ispsoftc_t *, union ccb *); 755 static void isp_disable_lun(ispsoftc_t *, union ccb *); 756 static timeout_t isp_refire_putback_atio; 757 static timeout_t isp_refire_notify_ack; 758 static void isp_complete_ctio(union ccb *); 759 static void isp_target_putback_atio(union ccb *); 760 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 761 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 762 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 763 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 764 static void isp_handle_platform_ctio(ispsoftc_t *, void *); 765 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 766 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 767 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 768 769 static ISP_INLINE tstate_t * 770 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 771 { 772 tstate_t *tptr = NULL; 773 struct tslist *lhp; 774 775 if (bus < isp->isp_nchan) { 776 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 777 SLIST_FOREACH(tptr, lhp, next) { 778 if (tptr->ts_lun == lun) 779 return (tptr); 780 } 781 } 782 return (NULL); 783 } 784 785 static int 786 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 787 { 788 inot_private_data_t *ntp; 789 struct ntpdlist rq; 790 791 if (STAILQ_EMPTY(&tptr->restart_queue)) 792 return (0); 793 STAILQ_INIT(&rq); 794 STAILQ_CONCAT(&rq, &tptr->restart_queue); 795 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 796 STAILQ_REMOVE_HEAD(&rq, next); 797 if (IS_24XX(isp)) { 798 isp_prt(isp, ISP_LOGTDEBUG0, 799 "%s: restarting resrc deprived %x", __func__, 800 ((at7_entry_t *)ntp->data)->at_rxid); 801 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 802 } else { 803 isp_prt(isp, ISP_LOGTDEBUG0, 804 "%s: restarting resrc deprived %x", __func__, 805 ((at2_entry_t *)ntp->data)->at_rxid); 806 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data); 807 } 808 isp_put_ntpd(isp, bus, ntp); 809 if (!STAILQ_EMPTY(&tptr->restart_queue)) 810 break; 811 } 812 if (!STAILQ_EMPTY(&rq)) { 813 STAILQ_CONCAT(&rq, &tptr->restart_queue); 814 STAILQ_CONCAT(&tptr->restart_queue, &rq); 815 } 816 return (!STAILQ_EMPTY(&tptr->restart_queue)); 817 } 818 819 static void 820 isp_tmcmd_restart(ispsoftc_t *isp) 821 { 822 tstate_t *tptr; 823 union ccb *ccb; 824 struct tslist *lhp; 825 struct isp_ccbq *waitq; 826 int bus, i; 827 828 for (bus = 0; bus < isp->isp_nchan; bus++) { 829 for (i = 0; i < LUN_HASH_SIZE; i++) { 830 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 831 SLIST_FOREACH(tptr, lhp, next) 832 isp_atio_restart(isp, bus, tptr); 833 } 834 835 /* 836 * We only need to do this once per channel. 837 */ 838 ISP_GET_PC_ADDR(isp, bus, waitq, waitq); 839 ccb = (union ccb *)TAILQ_FIRST(waitq); 840 if (ccb != NULL) { 841 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 842 isp_target_start_ctio(isp, ccb, FROM_TIMER); 843 } 844 } 845 } 846 847 static atio_private_data_t * 848 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 849 { 850 struct atpdlist *atfree; 851 struct atpdlist *atused; 852 atio_private_data_t *atp; 853 854 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 855 atp = LIST_FIRST(atfree); 856 if (atp) { 857 LIST_REMOVE(atp, next); 858 atp->tag = tag; 859 ISP_GET_PC(isp, chan, atused, atused); 860 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next); 861 } 862 return (atp); 863 } 864 865 static atio_private_data_t * 866 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 867 { 868 struct atpdlist *atused; 869 atio_private_data_t *atp; 870 871 ISP_GET_PC(isp, chan, atused, atused); 872 LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) { 873 if (atp->tag == tag) 874 return (atp); 875 } 876 return (NULL); 877 } 878 879 static void 880 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 881 { 882 struct atpdlist *atfree; 883 884 if (atp->ests) { 885 isp_put_ecmd(isp, atp->ests); 886 } 887 LIST_REMOVE(atp, next); 888 memset(atp, 0, sizeof (*atp)); 889 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 890 LIST_INSERT_HEAD(atfree, atp, next); 891 } 892 893 static void 894 isp_dump_atpd(ispsoftc_t *isp, int chan) 895 { 896 atio_private_data_t *atp, *atpool; 897 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 898 899 ISP_GET_PC(isp, chan, atpool, atpool); 900 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 901 if (atp->state == ATPD_STATE_FREE) 902 continue; 903 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", 904 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]); 905 } 906 } 907 908 static inot_private_data_t * 909 isp_get_ntpd(ispsoftc_t *isp, int chan) 910 { 911 struct ntpdlist *ntfree; 912 inot_private_data_t *ntp; 913 914 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 915 ntp = STAILQ_FIRST(ntfree); 916 if (ntp) 917 STAILQ_REMOVE_HEAD(ntfree, next); 918 return (ntp); 919 } 920 921 static inot_private_data_t * 922 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 923 { 924 inot_private_data_t *ntp, *ntp2; 925 926 ISP_GET_PC(isp, chan, ntpool, ntp); 927 ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2); 928 for (; ntp < ntp2; ntp++) { 929 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 930 return (ntp); 931 } 932 return (NULL); 933 } 934 935 static void 936 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 937 { 938 struct ntpdlist *ntfree; 939 940 ntp->tag_id = ntp->seq_id = 0; 941 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 942 STAILQ_INSERT_HEAD(ntfree, ntp, next); 943 } 944 945 static cam_status 946 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 947 { 948 lun_id_t lun; 949 struct tslist *lhp; 950 tstate_t *tptr; 951 952 lun = xpt_path_lun_id(path); 953 if (lun != CAM_LUN_WILDCARD) { 954 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) { 955 return (CAM_LUN_INVALID); 956 } 957 } 958 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 959 if (tptr == NULL) { 960 return (CAM_RESRC_UNAVAIL); 961 } 962 tptr->ts_lun = lun; 963 SLIST_INIT(&tptr->atios); 964 SLIST_INIT(&tptr->inots); 965 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 966 SLIST_INSERT_HEAD(lhp, tptr, next); 967 *rslt = tptr; 968 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 969 return (CAM_REQ_CMP); 970 } 971 972 static void 973 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 974 { 975 union ccb *ccb; 976 struct tslist *lhp; 977 inot_private_data_t *ntp; 978 979 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 980 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 981 ccb->ccb_h.status = CAM_REQ_ABORTED; 982 xpt_done(ccb); 983 }; 984 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 985 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 986 ccb->ccb_h.status = CAM_REQ_ABORTED; 987 xpt_done(ccb); 988 } 989 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 990 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 991 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 992 isp_put_ntpd(isp, bus, ntp); 993 } 994 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 995 SLIST_REMOVE(lhp, tptr, tstate, next); 996 free(tptr, M_DEVBUF); 997 } 998 999 static void 1000 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1001 { 1002 tstate_t *tptr; 1003 int bus; 1004 target_id_t target; 1005 lun_id_t lun; 1006 1007 if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) { 1008 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n"); 1009 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1010 xpt_done(ccb); 1011 return; 1012 } 1013 1014 /* 1015 * We only support either target and lun both wildcard 1016 * or target and lun both non-wildcard. 1017 */ 1018 bus = XS_CHANNEL(ccb); 1019 target = ccb->ccb_h.target_id; 1020 lun = ccb->ccb_h.target_lun; 1021 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1022 "enabling lun %jx\n", (uintmax_t)lun); 1023 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1024 ccb->ccb_h.status = CAM_LUN_INVALID; 1025 xpt_done(ccb); 1026 return; 1027 } 1028 1029 /* Create the state pointer. It should not already exist. */ 1030 tptr = get_lun_statep(isp, bus, lun); 1031 if (tptr) { 1032 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1033 xpt_done(ccb); 1034 return; 1035 } 1036 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1037 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1038 xpt_done(ccb); 1039 return; 1040 } 1041 1042 ccb->ccb_h.status = CAM_REQ_CMP; 1043 xpt_done(ccb); 1044 } 1045 1046 static void 1047 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1048 { 1049 tstate_t *tptr = NULL; 1050 int bus; 1051 target_id_t target; 1052 lun_id_t lun; 1053 1054 bus = XS_CHANNEL(ccb); 1055 target = ccb->ccb_h.target_id; 1056 lun = ccb->ccb_h.target_lun; 1057 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1058 "disabling lun %jx\n", (uintmax_t)lun); 1059 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1060 ccb->ccb_h.status = CAM_LUN_INVALID; 1061 xpt_done(ccb); 1062 return; 1063 } 1064 1065 /* Find the state pointer. */ 1066 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1067 ccb->ccb_h.status = CAM_PATH_INVALID; 1068 xpt_done(ccb); 1069 return; 1070 } 1071 1072 destroy_lun_state(isp, bus, tptr); 1073 ccb->ccb_h.status = CAM_REQ_CMP; 1074 xpt_done(ccb); 1075 } 1076 1077 static void 1078 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1079 { 1080 int fctape, sendstatus, resid; 1081 fcparam *fcp; 1082 atio_private_data_t *atp; 1083 struct ccb_scsiio *cso; 1084 struct isp_ccbq *waitq; 1085 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1086 uint8_t local[QENTRY_LEN]; 1087 1088 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, 1089 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1090 1091 ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq); 1092 switch (how) { 1093 case FROM_CAM: 1094 /* 1095 * Insert at the tail of the list, if any, waiting CTIO CCBs 1096 */ 1097 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 1098 break; 1099 case FROM_TIMER: 1100 case FROM_SRR: 1101 case FROM_CTIO_DONE: 1102 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1103 break; 1104 } 1105 1106 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 1107 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 1108 1109 cso = &ccb->csio; 1110 xfrlen = cso->dxfer_len; 1111 if (xfrlen == 0) { 1112 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1113 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1114 ccb->ccb_h.status = CAM_REQ_INVALID; 1115 xpt_done(ccb); 1116 continue; 1117 } 1118 } 1119 1120 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 1121 if (atp == NULL) { 1122 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1123 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 1124 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1125 xpt_done(ccb); 1126 continue; 1127 } 1128 1129 /* 1130 * Is this command a dead duck? 1131 */ 1132 if (atp->dead) { 1133 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1134 ccb->ccb_h.status = CAM_REQ_ABORTED; 1135 xpt_done(ccb); 1136 continue; 1137 } 1138 1139 /* 1140 * Check to make sure we're still in target mode. 1141 */ 1142 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1143 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1144 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1145 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1146 xpt_done(ccb); 1147 continue; 1148 } 1149 1150 /* 1151 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1152 * could be split into two CTIOs to split data and status). 1153 */ 1154 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1155 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); 1156 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1157 break; 1158 } 1159 1160 /* 1161 * Does the initiator expect FC-Tape style responses? 1162 */ 1163 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1164 fctape = 1; 1165 } else { 1166 fctape = 0; 1167 } 1168 1169 /* 1170 * If we already did the data xfer portion of a CTIO that sends data 1171 * and status, don't do it again and do the status portion now. 1172 */ 1173 if (atp->sendst) { 1174 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1175 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1176 xfrlen = 0; /* we already did the data transfer */ 1177 atp->sendst = 0; 1178 } 1179 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1180 sendstatus = 1; 1181 } else { 1182 sendstatus = 0; 1183 } 1184 1185 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1186 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1187 /* 1188 * Sense length is not the entire sense data structure size. Periph 1189 * drivers don't seem to be setting sense_len to reflect the actual 1190 * size. We'll peek inside to get the right amount. 1191 */ 1192 sense_length = cso->sense_len; 1193 1194 /* 1195 * This 'cannot' happen 1196 */ 1197 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1198 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1199 } 1200 } else { 1201 sense_length = 0; 1202 } 1203 1204 memset(local, 0, QENTRY_LEN); 1205 1206 /* 1207 * Check for overflow 1208 */ 1209 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1210 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1211 isp_prt(isp, ISP_LOGERR, 1212 "%s: [0x%x] data overflow by %u bytes", __func__, 1213 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1214 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1215 xpt_done(ccb); 1216 continue; 1217 } 1218 if (xfrlen > atp->orig_datalen - tmp) { 1219 xfrlen = atp->orig_datalen - tmp; 1220 if (xfrlen == 0 && !sendstatus) { 1221 cso->resid = cso->dxfer_len; 1222 ccb->ccb_h.status = CAM_REQ_CMP; 1223 xpt_done(ccb); 1224 continue; 1225 } 1226 } 1227 1228 if (IS_24XX(isp)) { 1229 ct7_entry_t *cto = (ct7_entry_t *) local; 1230 1231 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1232 cto->ct_header.rqs_entry_count = 1; 1233 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1234 ATPD_SET_SEQNO(cto, atp); 1235 cto->ct_nphdl = atp->nphdl; 1236 cto->ct_rxid = atp->tag; 1237 cto->ct_iid_lo = atp->sid; 1238 cto->ct_iid_hi = atp->sid >> 16; 1239 cto->ct_oxid = atp->oxid; 1240 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1241 cto->ct_timeout = XS_TIME(ccb); 1242 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1243 1244 /* 1245 * Mode 1, status, no data. Only possible when we are sending status, have 1246 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1247 * 1248 * Mode 2, status, no data. We have to use this in the case that 1249 * the sense data won't fit into a ct7_entry_t. 1250 * 1251 */ 1252 if (sendstatus && xfrlen == 0) { 1253 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1254 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1255 if (sense_length <= MAXRESPLEN_24XX) { 1256 cto->ct_flags |= CT7_FLAG_MODE1; 1257 cto->ct_scsi_status = cso->scsi_status; 1258 if (resid < 0) { 1259 cto->ct_resid = -resid; 1260 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1261 } else if (resid > 0) { 1262 cto->ct_resid = resid; 1263 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1264 } 1265 if (fctape) { 1266 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1267 } 1268 if (sense_length) { 1269 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1270 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1271 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1272 } 1273 } else { 1274 bus_addr_t addr; 1275 char buf[XCMD_SIZE]; 1276 fcp_rsp_iu_t *rp; 1277 1278 if (atp->ests == NULL) { 1279 atp->ests = isp_get_ecmd(isp); 1280 if (atp->ests == NULL) { 1281 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1282 break; 1283 } 1284 } 1285 memset(buf, 0, sizeof (buf)); 1286 rp = (fcp_rsp_iu_t *)buf; 1287 if (fctape) { 1288 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1289 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1290 } 1291 cto->ct_flags |= CT7_FLAG_MODE2; 1292 rp->fcp_rsp_scsi_status = cso->scsi_status; 1293 if (resid < 0) { 1294 rp->fcp_rsp_resid = -resid; 1295 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1296 } else if (resid > 0) { 1297 rp->fcp_rsp_resid = resid; 1298 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1299 } 1300 if (sense_length) { 1301 rp->fcp_rsp_snslen = sense_length; 1302 cto->ct_senselen = sense_length; 1303 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1304 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1305 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1306 } else { 1307 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1308 } 1309 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1310 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1311 } 1312 addr = isp->isp_osinfo.ecmd_dma; 1313 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1314 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, 1315 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1316 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1317 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1318 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1319 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1320 } 1321 if (sense_length) { 1322 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__, 1323 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, 1324 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1325 } else { 1326 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1327 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1328 } 1329 atp->state = ATPD_STATE_LAST_CTIO; 1330 } 1331 1332 /* 1333 * Mode 0 data transfers, *possibly* with status. 1334 */ 1335 if (xfrlen != 0) { 1336 cto->ct_flags |= CT7_FLAG_MODE0; 1337 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1338 cto->ct_flags |= CT7_DATA_IN; 1339 } else { 1340 cto->ct_flags |= CT7_DATA_OUT; 1341 } 1342 1343 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1344 cto->rsp.m0.ct_xfrlen = xfrlen; 1345 1346 #ifdef DEBUG 1347 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1348 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1349 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1350 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1351 } 1352 #endif 1353 if (sendstatus) { 1354 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1355 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1356 cto->ct_flags |= CT7_SENDSTATUS; 1357 atp->state = ATPD_STATE_LAST_CTIO; 1358 if (fctape) { 1359 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1360 } 1361 } else { 1362 atp->sendst = 1; /* send status later */ 1363 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1364 atp->state = ATPD_STATE_CTIO; 1365 } 1366 } else { 1367 atp->state = ATPD_STATE_CTIO; 1368 } 1369 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__, 1370 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1371 } 1372 } else { 1373 ct2_entry_t *cto = (ct2_entry_t *) local; 1374 1375 if (isp->isp_osinfo.sixtyfourbit) 1376 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3; 1377 else 1378 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1379 cto->ct_header.rqs_entry_count = 1; 1380 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1381 ATPD_SET_SEQNO(cto, atp); 1382 if (ISP_CAP_2KLOGIN(isp)) { 1383 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl; 1384 } else { 1385 cto->ct_iid = atp->nphdl; 1386 if (ISP_CAP_SCCFW(isp) == 0) { 1387 cto->ct_lun = ccb->ccb_h.target_lun; 1388 } 1389 } 1390 cto->ct_timeout = XS_TIME(ccb); 1391 cto->ct_rxid = cso->tag_id; 1392 1393 /* 1394 * Mode 1, status, no data. Only possible when we are sending status, have 1395 * no data to transfer, and the sense length can fit in the ct7_entry. 1396 * 1397 * Mode 2, status, no data. We have to use this in the case the response 1398 * length won't fit into a ct2_entry_t. 1399 * 1400 * We'll fill out this structure with information as if this were a 1401 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1402 * needed based upon this. 1403 */ 1404 if (sendstatus && xfrlen == 0) { 1405 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1406 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1407 if (sense_length <= MAXRESPLEN) { 1408 if (resid < 0) { 1409 cto->ct_resid = -resid; 1410 } else if (resid > 0) { 1411 cto->ct_resid = resid; 1412 } 1413 cto->ct_flags |= CT2_FLAG_MODE1; 1414 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1415 if (resid < 0) { 1416 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1417 } else if (resid > 0) { 1418 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1419 } 1420 if (fctape) { 1421 cto->ct_flags |= CT2_CONFIRM; 1422 } 1423 if (sense_length) { 1424 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1425 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1426 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1427 } 1428 } else { 1429 bus_addr_t addr; 1430 char buf[XCMD_SIZE]; 1431 fcp_rsp_iu_t *rp; 1432 1433 if (atp->ests == NULL) { 1434 atp->ests = isp_get_ecmd(isp); 1435 if (atp->ests == NULL) { 1436 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1437 break; 1438 } 1439 } 1440 memset(buf, 0, sizeof (buf)); 1441 rp = (fcp_rsp_iu_t *)buf; 1442 if (fctape) { 1443 cto->ct_flags |= CT2_CONFIRM; 1444 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1445 } 1446 cto->ct_flags |= CT2_FLAG_MODE2; 1447 rp->fcp_rsp_scsi_status = cso->scsi_status; 1448 if (resid < 0) { 1449 rp->fcp_rsp_resid = -resid; 1450 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1451 } else if (resid > 0) { 1452 rp->fcp_rsp_resid = resid; 1453 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1454 } 1455 if (sense_length) { 1456 rp->fcp_rsp_snslen = sense_length; 1457 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1458 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1459 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1460 } else { 1461 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1462 } 1463 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1464 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1465 } 1466 addr = isp->isp_osinfo.ecmd_dma; 1467 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1468 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, 1469 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1470 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1471 if (cto->ct_header.rqs_entry_type == RQSTYPE_CTIO3) { 1472 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr); 1473 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr); 1474 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1475 } else { 1476 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 1477 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1478 } 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->ccb_h.target_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 = fcp->isp_loopid; 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 = FCPARAM(isp, chan)->isp_loopid; 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 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 2370 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 2371 inot->initiator_id = CAM_TARGET_WILDCARD; 2372 } else { 2373 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 2374 } 2375 inot->seq_id = notify->nt_tagval; 2376 inot->tag_id = notify->nt_tagval >> 32; 2377 2378 switch (notify->nt_ncode) { 2379 case NT_ABORT_TASK: 2380 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 2381 inot->arg = MSG_ABORT_TASK; 2382 break; 2383 case NT_ABORT_TASK_SET: 2384 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 2385 inot->arg = MSG_ABORT_TASK_SET; 2386 break; 2387 case NT_CLEAR_ACA: 2388 inot->arg = MSG_CLEAR_ACA; 2389 break; 2390 case NT_CLEAR_TASK_SET: 2391 inot->arg = MSG_CLEAR_TASK_SET; 2392 break; 2393 case NT_LUN_RESET: 2394 inot->arg = MSG_LOGICAL_UNIT_RESET; 2395 break; 2396 case NT_TARGET_RESET: 2397 inot->arg = MSG_TARGET_RESET; 2398 break; 2399 case NT_QUERY_TASK_SET: 2400 inot->arg = MSG_QUERY_TASK_SET; 2401 break; 2402 case NT_QUERY_ASYNC_EVENT: 2403 inot->arg = MSG_QUERY_ASYNC_EVENT; 2404 break; 2405 default: 2406 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); 2407 goto bad; 2408 } 2409 2410 ntp = isp_get_ntpd(isp, notify->nt_channel); 2411 if (ntp == NULL) { 2412 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 2413 goto bad; 2414 } 2415 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 2416 if (notify->nt_lreserved) { 2417 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 2418 ntp->nt.nt_lreserved = &ntp->data; 2419 } 2420 ntp->seq_id = notify->nt_tagval; 2421 ntp->tag_id = notify->nt_tagval >> 32; 2422 2423 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 2424 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 2425 inot->ccb_h.status = CAM_MESSAGE_RECV; 2426 xpt_done((union ccb *)inot); 2427 return; 2428 bad: 2429 if (notify->nt_need_ack) { 2430 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2431 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 2432 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 2433 } 2434 } else { 2435 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 2436 } 2437 } 2438 } 2439 2440 static void 2441 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 2442 { 2443 atio_private_data_t *atp, *atpool; 2444 inot_private_data_t *ntp, *tmp; 2445 uint32_t this_tag_id; 2446 2447 /* 2448 * First, clean any commands pending restart 2449 */ 2450 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 2451 if (IS_24XX(isp)) 2452 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 2453 else 2454 this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid; 2455 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 2456 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 2457 ECMD_TERMINATE, 0); 2458 isp_put_ntpd(isp, chan, ntp); 2459 STAILQ_REMOVE(&tptr->restart_queue, ntp, 2460 inot_private_data, next); 2461 } 2462 } 2463 2464 /* 2465 * Now mark other ones dead as well. 2466 */ 2467 ISP_GET_PC(isp, chan, atpool, atpool); 2468 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 2469 if (atp->lun != tptr->ts_lun) 2470 continue; 2471 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 2472 atp->dead = 1; 2473 } 2474 } 2475 #endif 2476 2477 static void 2478 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 2479 { 2480 struct cam_sim *sim; 2481 int bus, tgt; 2482 ispsoftc_t *isp; 2483 2484 sim = (struct cam_sim *)cbarg; 2485 isp = (ispsoftc_t *) cam_sim_softc(sim); 2486 bus = cam_sim_bus(sim); 2487 tgt = xpt_path_target_id(path); 2488 2489 switch (code) { 2490 case AC_LOST_DEVICE: 2491 if (IS_SCSI(isp)) { 2492 uint16_t oflags, nflags; 2493 sdparam *sdp = SDPARAM(isp, bus); 2494 2495 if (tgt >= 0) { 2496 nflags = sdp->isp_devparam[tgt].nvrm_flags; 2497 nflags &= DPARM_SAFE_DFLT; 2498 if (isp->isp_loaded_fw) { 2499 nflags |= DPARM_NARROW | DPARM_ASYNC; 2500 } 2501 oflags = sdp->isp_devparam[tgt].goal_flags; 2502 sdp->isp_devparam[tgt].goal_flags = nflags; 2503 sdp->isp_devparam[tgt].dev_update = 1; 2504 sdp->update = 1; 2505 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 2506 sdp->isp_devparam[tgt].goal_flags = oflags; 2507 } 2508 } 2509 break; 2510 default: 2511 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 2512 break; 2513 } 2514 } 2515 2516 static void 2517 isp_poll(struct cam_sim *sim) 2518 { 2519 ispsoftc_t *isp = cam_sim_softc(sim); 2520 2521 ISP_RUN_ISR(isp); 2522 } 2523 2524 2525 static void 2526 isp_watchdog(void *arg) 2527 { 2528 struct ccb_scsiio *xs = arg; 2529 ispsoftc_t *isp; 2530 uint32_t ohandle = ISP_HANDLE_FREE, handle; 2531 2532 isp = XS_ISP(xs); 2533 2534 handle = isp_find_handle(isp, xs); 2535 2536 /* 2537 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 2538 */ 2539 if (handle != ISP_HANDLE_FREE) { 2540 ISP_RUN_ISR(isp); 2541 ohandle = handle; 2542 handle = isp_find_handle(isp, xs); 2543 } 2544 if (handle != ISP_HANDLE_FREE) { 2545 /* 2546 * Try and make sure the command is really dead before 2547 * we release the handle (and DMA resources) for reuse. 2548 * 2549 * If we are successful in aborting the command then 2550 * we're done here because we'll get the command returned 2551 * back separately. 2552 */ 2553 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2554 return; 2555 } 2556 2557 /* 2558 * Note that after calling the above, the command may in 2559 * fact have been completed. 2560 */ 2561 xs = isp_find_xs(isp, handle); 2562 2563 /* 2564 * If the command no longer exists, then we won't 2565 * be able to find the xs again with this handle. 2566 */ 2567 if (xs == NULL) { 2568 return; 2569 } 2570 2571 /* 2572 * After this point, the command is really dead. 2573 */ 2574 if (XS_XFRLEN(xs)) { 2575 ISP_DMAFREE(isp, xs, handle); 2576 } 2577 isp_destroy_handle(isp, handle); 2578 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 2579 xs->ccb_h.status &= ~CAM_STATUS_MASK; 2580 xs->ccb_h.status |= CAM_CMD_TIMEOUT; 2581 isp_done(xs); 2582 } else { 2583 if (ohandle != ISP_HANDLE_FREE) { 2584 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 2585 } else { 2586 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 2587 } 2588 } 2589 } 2590 2591 static void 2592 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2593 { 2594 union ccb *ccb; 2595 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2596 2597 /* 2598 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2599 */ 2600 ccb = xpt_alloc_ccb_nowait(); 2601 if (ccb == NULL) { 2602 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2603 return; 2604 } 2605 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2606 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2607 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2608 xpt_free_ccb(ccb); 2609 return; 2610 } 2611 xpt_rescan(ccb); 2612 } 2613 2614 static void 2615 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2616 { 2617 struct cam_path *tp; 2618 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2619 2620 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2621 xpt_async(AC_LOST_DEVICE, tp, NULL); 2622 xpt_free_path(tp); 2623 } 2624 } 2625 2626 /* 2627 * Gone Device Timer Function- when we have decided that a device has gone 2628 * away, we wait a specific period of time prior to telling the OS it has 2629 * gone away. 2630 * 2631 * This timer function fires once a second and then scans the port database 2632 * for devices that are marked dead but still have a virtual target assigned. 2633 * We decrement a counter for that port database entry, and when it hits zero, 2634 * we tell the OS the device has gone away. 2635 */ 2636 static void 2637 isp_gdt(void *arg) 2638 { 2639 struct isp_fc *fc = arg; 2640 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2641 } 2642 2643 static void 2644 isp_gdt_task(void *arg, int pending) 2645 { 2646 struct isp_fc *fc = arg; 2647 ispsoftc_t *isp = fc->isp; 2648 int chan = fc - isp->isp_osinfo.pc.fc; 2649 fcportdb_t *lp; 2650 struct ac_contract ac; 2651 struct ac_device_changed *adc; 2652 int dbidx, more_to_do = 0; 2653 2654 ISP_LOCK(isp); 2655 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2656 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2657 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2658 2659 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2660 continue; 2661 } 2662 if (lp->gone_timer != 0) { 2663 lp->gone_timer -= 1; 2664 more_to_do++; 2665 continue; 2666 } 2667 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2668 if (lp->is_target) { 2669 lp->is_target = 0; 2670 isp_make_gone(isp, lp, chan, dbidx); 2671 } 2672 if (lp->is_initiator) { 2673 lp->is_initiator = 0; 2674 ac.contract_number = AC_CONTRACT_DEV_CHG; 2675 adc = (struct ac_device_changed *) ac.contract_data; 2676 adc->wwpn = lp->port_wwn; 2677 adc->port = lp->portid; 2678 adc->target = dbidx; 2679 adc->arrived = 0; 2680 xpt_async(AC_CONTRACT, fc->path, &ac); 2681 } 2682 lp->state = FC_PORTDB_STATE_NIL; 2683 } 2684 if (fc->ready) { 2685 if (more_to_do) { 2686 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2687 } else { 2688 callout_deactivate(&fc->gdt); 2689 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2690 } 2691 } 2692 ISP_UNLOCK(isp); 2693 } 2694 2695 /* 2696 * When loop goes down we remember the time and freeze CAM command queue. 2697 * During some time period we are trying to reprobe the loop. But if we 2698 * fail, we tell the OS that devices have gone away and drop the freeze. 2699 * 2700 * We don't clear the devices out of our port database because, when loop 2701 * come back up, we have to do some actual cleanup with the chip at that 2702 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2703 */ 2704 static void 2705 isp_loop_changed(ispsoftc_t *isp, int chan) 2706 { 2707 fcparam *fcp = FCPARAM(isp, chan); 2708 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2709 2710 if (fc->loop_down_time) 2711 return; 2712 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2713 if (fcp->role & ISP_ROLE_INITIATOR) 2714 isp_freeze_loopdown(isp, chan); 2715 fc->loop_down_time = time_uptime; 2716 wakeup(fc); 2717 } 2718 2719 static void 2720 isp_loop_up(ispsoftc_t *isp, int chan) 2721 { 2722 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2723 2724 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2725 fc->loop_seen_once = 1; 2726 fc->loop_down_time = 0; 2727 isp_unfreeze_loopdown(isp, chan); 2728 } 2729 2730 static void 2731 isp_loop_dead(ispsoftc_t *isp, int chan) 2732 { 2733 fcparam *fcp = FCPARAM(isp, chan); 2734 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2735 fcportdb_t *lp; 2736 struct ac_contract ac; 2737 struct ac_device_changed *adc; 2738 int dbidx, i; 2739 2740 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2741 2742 /* 2743 * Notify to the OS all targets who we now consider have departed. 2744 */ 2745 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2746 lp = &fcp->portdb[dbidx]; 2747 2748 if (lp->state == FC_PORTDB_STATE_NIL) 2749 continue; 2750 2751 /* 2752 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 2753 */ 2754 for (i = 0; i < isp->isp_maxcmds; i++) { 2755 struct ccb_scsiio *xs; 2756 2757 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2758 continue; 2759 } 2760 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2761 continue; 2762 } 2763 if (dbidx != XS_TGT(xs)) { 2764 continue; 2765 } 2766 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2767 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2768 (uintmax_t)XS_LUN(xs)); 2769 } 2770 2771 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2772 if (lp->is_target) { 2773 lp->is_target = 0; 2774 isp_make_gone(isp, lp, chan, dbidx); 2775 } 2776 if (lp->is_initiator) { 2777 lp->is_initiator = 0; 2778 ac.contract_number = AC_CONTRACT_DEV_CHG; 2779 adc = (struct ac_device_changed *) ac.contract_data; 2780 adc->wwpn = lp->port_wwn; 2781 adc->port = lp->portid; 2782 adc->target = dbidx; 2783 adc->arrived = 0; 2784 xpt_async(AC_CONTRACT, fc->path, &ac); 2785 } 2786 } 2787 2788 isp_unfreeze_loopdown(isp, chan); 2789 fc->loop_down_time = 0; 2790 } 2791 2792 static void 2793 isp_kthread(void *arg) 2794 { 2795 struct isp_fc *fc = arg; 2796 ispsoftc_t *isp = fc->isp; 2797 int chan = fc - isp->isp_osinfo.pc.fc; 2798 int slp = 0, d; 2799 int lb, lim; 2800 2801 ISP_LOCK(isp); 2802 while (isp->isp_osinfo.is_exiting == 0) { 2803 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2804 "Chan %d Checking FC state", chan); 2805 lb = isp_fc_runstate(isp, chan, 250000); 2806 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2807 "Chan %d FC got to %s state", chan, 2808 isp_fc_loop_statename(lb)); 2809 2810 /* 2811 * Our action is different based upon whether we're supporting 2812 * Initiator mode or not. If we are, we might freeze the simq 2813 * when loop is down and set all sorts of different delays to 2814 * check again. 2815 * 2816 * If not, we simply just wait for loop to come up. 2817 */ 2818 if (lb == LOOP_READY || lb < 0) { 2819 slp = 0; 2820 } else { 2821 /* 2822 * If we've never seen loop up and we've waited longer 2823 * than quickboot time, or we've seen loop up but we've 2824 * waited longer than loop_down_limit, give up and go 2825 * to sleep until loop comes up. 2826 */ 2827 if (fc->loop_seen_once == 0) 2828 lim = isp_quickboot_time; 2829 else 2830 lim = fc->loop_down_limit; 2831 d = time_uptime - fc->loop_down_time; 2832 if (d >= lim) 2833 slp = 0; 2834 else if (d < 10) 2835 slp = 1; 2836 else if (d < 30) 2837 slp = 5; 2838 else if (d < 60) 2839 slp = 10; 2840 else if (d < 120) 2841 slp = 20; 2842 else 2843 slp = 30; 2844 } 2845 2846 if (slp == 0) { 2847 if (lb == LOOP_READY) 2848 isp_loop_up(isp, chan); 2849 else 2850 isp_loop_dead(isp, chan); 2851 } 2852 2853 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2854 "Chan %d sleep for %d seconds", chan, slp); 2855 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2856 } 2857 fc->num_threads -= 1; 2858 ISP_UNLOCK(isp); 2859 kthread_exit(); 2860 } 2861 2862 #ifdef ISP_TARGET_MODE 2863 static void 2864 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2865 { 2866 atio_private_data_t *atp; 2867 union ccb *accb = ccb->cab.abort_ccb; 2868 struct ccb_hdr *sccb; 2869 tstate_t *tptr; 2870 2871 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2872 if (tptr != NULL) { 2873 /* Search for the ATIO among queueued. */ 2874 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2875 if (sccb != &accb->ccb_h) 2876 continue; 2877 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2878 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2879 "Abort FREE ATIO\n"); 2880 accb->ccb_h.status = CAM_REQ_ABORTED; 2881 xpt_done(accb); 2882 ccb->ccb_h.status = CAM_REQ_CMP; 2883 return; 2884 } 2885 } 2886 2887 /* Search for the ATIO among running. */ 2888 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2889 if (atp != NULL) { 2890 /* Send TERMINATE to firmware. */ 2891 if (!atp->dead && IS_24XX(isp)) { 2892 uint8_t storage[QENTRY_LEN]; 2893 ct7_entry_t *cto = (ct7_entry_t *) storage; 2894 2895 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2896 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2897 cto->ct_header.rqs_entry_count = 1; 2898 cto->ct_nphdl = atp->nphdl; 2899 cto->ct_rxid = atp->tag; 2900 cto->ct_iid_lo = atp->sid; 2901 cto->ct_iid_hi = atp->sid >> 16; 2902 cto->ct_oxid = atp->oxid; 2903 cto->ct_vpidx = XS_CHANNEL(accb); 2904 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2905 isp_target_put_entry(isp, cto); 2906 } 2907 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2908 ccb->ccb_h.status = CAM_REQ_CMP; 2909 } else { 2910 ccb->ccb_h.status = CAM_UA_ABORT; 2911 } 2912 } 2913 2914 static void 2915 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2916 { 2917 inot_private_data_t *ntp; 2918 union ccb *accb = ccb->cab.abort_ccb; 2919 struct ccb_hdr *sccb; 2920 tstate_t *tptr; 2921 2922 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2923 if (tptr != NULL) { 2924 /* Search for the INOT among queueued. */ 2925 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2926 if (sccb != &accb->ccb_h) 2927 continue; 2928 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2929 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2930 "Abort FREE INOT\n"); 2931 accb->ccb_h.status = CAM_REQ_ABORTED; 2932 xpt_done(accb); 2933 ccb->ccb_h.status = CAM_REQ_CMP; 2934 return; 2935 } 2936 } 2937 2938 /* Search for the INOT among running. */ 2939 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2940 if (ntp != NULL) { 2941 if (ntp->nt.nt_need_ack) { 2942 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2943 ntp->nt.nt_lreserved); 2944 } 2945 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2946 ccb->ccb_h.status = CAM_REQ_CMP; 2947 } else { 2948 ccb->ccb_h.status = CAM_UA_ABORT; 2949 return; 2950 } 2951 } 2952 #endif 2953 2954 static void 2955 isp_action(struct cam_sim *sim, union ccb *ccb) 2956 { 2957 int bus, tgt, error; 2958 ispsoftc_t *isp; 2959 struct ccb_trans_settings *cts; 2960 sbintime_t ts; 2961 2962 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2963 2964 isp = (ispsoftc_t *)cam_sim_softc(sim); 2965 ISP_ASSERT_LOCKED(isp); 2966 bus = cam_sim_bus(sim); 2967 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2968 ISP_PCMD(ccb) = NULL; 2969 2970 switch (ccb->ccb_h.func_code) { 2971 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2972 /* 2973 * Do a couple of preliminary checks... 2974 */ 2975 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2976 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2977 ccb->ccb_h.status = CAM_REQ_INVALID; 2978 isp_done((struct ccb_scsiio *) ccb); 2979 break; 2980 } 2981 } 2982 ccb->csio.req_map = NULL; 2983 #ifdef DIAGNOSTIC 2984 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 2985 xpt_print(ccb->ccb_h.path, "invalid target\n"); 2986 ccb->ccb_h.status = CAM_PATH_INVALID; 2987 } else if (ISP_MAX_LUNS(isp) > 0 && 2988 ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) { 2989 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 2990 ccb->ccb_h.status = CAM_PATH_INVALID; 2991 } 2992 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 2993 xpt_done(ccb); 2994 break; 2995 } 2996 #endif 2997 ccb->csio.scsi_status = SCSI_STATUS_OK; 2998 if (isp_get_pcmd(isp, ccb)) { 2999 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 3000 cam_freeze_devq(ccb->ccb_h.path); 3001 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 3002 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3003 xpt_done(ccb); 3004 break; 3005 } 3006 error = isp_start((XS_T *) ccb); 3007 switch (error) { 3008 case CMD_QUEUED: 3009 ccb->ccb_h.status |= CAM_SIM_QUEUED; 3010 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 3011 break; 3012 /* Give firmware extra 10s to handle timeout. */ 3013 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 3014 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 3015 isp_watchdog, ccb, 0); 3016 break; 3017 case CMD_RQLATER: 3018 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 3019 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 3020 cam_freeze_devq(ccb->ccb_h.path); 3021 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3022 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3023 isp_free_pcmd(isp, ccb); 3024 xpt_done(ccb); 3025 break; 3026 case CMD_EAGAIN: 3027 isp_free_pcmd(isp, ccb); 3028 cam_freeze_devq(ccb->ccb_h.path); 3029 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 3030 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3031 xpt_done(ccb); 3032 break; 3033 case CMD_COMPLETE: 3034 isp_done((struct ccb_scsiio *) ccb); 3035 break; 3036 default: 3037 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 3038 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3039 isp_free_pcmd(isp, ccb); 3040 xpt_done(ccb); 3041 } 3042 break; 3043 3044 #ifdef ISP_TARGET_MODE 3045 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 3046 if (ccb->cel.enable) { 3047 isp_enable_lun(isp, ccb); 3048 } else { 3049 isp_disable_lun(isp, ccb); 3050 } 3051 break; 3052 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 3053 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3054 { 3055 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 3056 if (tptr == NULL) { 3057 const char *str; 3058 3059 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 3060 str = "XPT_IMMEDIATE_NOTIFY"; 3061 else 3062 str = "XPT_ACCEPT_TARGET_IO"; 3063 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 3064 "%s: no state pointer found for %s\n", 3065 __func__, str); 3066 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3067 xpt_done(ccb); 3068 break; 3069 } 3070 ccb->ccb_h.spriv_field0 = 0; 3071 ccb->ccb_h.spriv_ptr1 = isp; 3072 3073 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3074 ccb->atio.tag_id = 0; 3075 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 3076 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3077 "Put FREE ATIO\n"); 3078 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 3079 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 3080 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 3081 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3082 "Put FREE INOT\n"); 3083 } 3084 ccb->ccb_h.status = CAM_REQ_INPROG; 3085 break; 3086 } 3087 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 3088 { 3089 inot_private_data_t *ntp; 3090 3091 /* 3092 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 3093 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 3094 */ 3095 /* 3096 * All the relevant path information is in the associated immediate notify 3097 */ 3098 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); 3099 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 3100 if (ntp == NULL) { 3101 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__, 3102 ccb->cna2.tag_id, ccb->cna2.seq_id); 3103 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3104 xpt_done(ccb); 3105 break; 3106 } 3107 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 3108 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 3109 cam_freeze_devq(ccb->ccb_h.path); 3110 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3111 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 3112 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 3113 break; 3114 } 3115 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 3116 ccb->ccb_h.status = CAM_REQ_CMP; 3117 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); 3118 xpt_done(ccb); 3119 break; 3120 } 3121 case XPT_CONT_TARGET_IO: 3122 isp_target_start_ctio(isp, ccb, FROM_CAM); 3123 break; 3124 #endif 3125 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 3126 tgt = ccb->ccb_h.target_id; 3127 tgt |= (bus << 16); 3128 3129 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 3130 if (error) { 3131 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3132 } else { 3133 /* 3134 * If we have a FC device, reset the Command 3135 * Reference Number, because the target will expect 3136 * that we re-start the CRN at 1 after a reset. 3137 */ 3138 if (IS_FC(isp)) 3139 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3140 3141 ccb->ccb_h.status = CAM_REQ_CMP; 3142 } 3143 xpt_done(ccb); 3144 break; 3145 case XPT_ABORT: /* Abort the specified CCB */ 3146 { 3147 union ccb *accb = ccb->cab.abort_ccb; 3148 switch (accb->ccb_h.func_code) { 3149 #ifdef ISP_TARGET_MODE 3150 case XPT_ACCEPT_TARGET_IO: 3151 isp_abort_atio(isp, ccb); 3152 break; 3153 case XPT_IMMEDIATE_NOTIFY: 3154 isp_abort_inot(isp, ccb); 3155 break; 3156 #endif 3157 case XPT_SCSI_IO: 3158 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 3159 if (error) { 3160 ccb->ccb_h.status = CAM_UA_ABORT; 3161 } else { 3162 ccb->ccb_h.status = CAM_REQ_CMP; 3163 } 3164 break; 3165 default: 3166 ccb->ccb_h.status = CAM_REQ_INVALID; 3167 break; 3168 } 3169 /* 3170 * This is not a queued CCB, so the caller expects it to be 3171 * complete when control is returned. 3172 */ 3173 break; 3174 } 3175 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 3176 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3177 cts = &ccb->cts; 3178 if (!IS_CURRENT_SETTINGS(cts)) { 3179 ccb->ccb_h.status = CAM_REQ_INVALID; 3180 xpt_done(ccb); 3181 break; 3182 } 3183 tgt = cts->ccb_h.target_id; 3184 if (IS_SCSI(isp)) { 3185 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3186 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3187 sdparam *sdp = SDPARAM(isp, bus); 3188 uint16_t *dptr; 3189 3190 if (spi->valid == 0 && scsi->valid == 0) { 3191 ccb->ccb_h.status = CAM_REQ_CMP; 3192 xpt_done(ccb); 3193 break; 3194 } 3195 3196 /* 3197 * We always update (internally) from goal_flags 3198 * so any request to change settings just gets 3199 * vectored to that location. 3200 */ 3201 dptr = &sdp->isp_devparam[tgt].goal_flags; 3202 3203 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3204 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 3205 *dptr |= DPARM_DISC; 3206 else 3207 *dptr &= ~DPARM_DISC; 3208 } 3209 3210 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3211 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 3212 *dptr |= DPARM_TQING; 3213 else 3214 *dptr &= ~DPARM_TQING; 3215 } 3216 3217 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3218 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 3219 *dptr |= DPARM_WIDE; 3220 else 3221 *dptr &= ~DPARM_WIDE; 3222 } 3223 3224 /* 3225 * XXX: FIX ME 3226 */ 3227 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 3228 *dptr |= DPARM_SYNC; 3229 /* 3230 * XXX: CHECK FOR LEGALITY 3231 */ 3232 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 3233 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 3234 } else { 3235 *dptr &= ~DPARM_SYNC; 3236 } 3237 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, 3238 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 3239 sdp->isp_devparam[tgt].dev_update = 1; 3240 sdp->update = 1; 3241 } 3242 ccb->ccb_h.status = CAM_REQ_CMP; 3243 xpt_done(ccb); 3244 break; 3245 case XPT_GET_TRAN_SETTINGS: 3246 cts = &ccb->cts; 3247 tgt = cts->ccb_h.target_id; 3248 if (IS_FC(isp)) { 3249 fcparam *fcp = FCPARAM(isp, bus); 3250 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3251 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 3252 3253 cts->protocol = PROTO_SCSI; 3254 cts->protocol_version = SCSI_REV_2; 3255 cts->transport = XPORT_FC; 3256 cts->transport_version = 0; 3257 3258 scsi->valid = CTS_SCSI_VALID_TQ; 3259 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3260 fc->valid = CTS_FC_VALID_SPEED; 3261 fc->bitrate = 100000; 3262 fc->bitrate *= fcp->isp_gbspeed; 3263 if (tgt < MAX_FC_TARG) { 3264 fcportdb_t *lp = &fcp->portdb[tgt]; 3265 fc->wwnn = lp->node_wwn; 3266 fc->wwpn = lp->port_wwn; 3267 fc->port = lp->portid; 3268 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 3269 } 3270 } else { 3271 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3272 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3273 sdparam *sdp = SDPARAM(isp, bus); 3274 uint16_t dval, pval, oval; 3275 3276 if (IS_CURRENT_SETTINGS(cts)) { 3277 sdp->isp_devparam[tgt].dev_refresh = 1; 3278 sdp->update = 1; 3279 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 3280 dval = sdp->isp_devparam[tgt].actv_flags; 3281 oval = sdp->isp_devparam[tgt].actv_offset; 3282 pval = sdp->isp_devparam[tgt].actv_period; 3283 } else { 3284 dval = sdp->isp_devparam[tgt].nvrm_flags; 3285 oval = sdp->isp_devparam[tgt].nvrm_offset; 3286 pval = sdp->isp_devparam[tgt].nvrm_period; 3287 } 3288 3289 cts->protocol = PROTO_SCSI; 3290 cts->protocol_version = SCSI_REV_2; 3291 cts->transport = XPORT_SPI; 3292 cts->transport_version = 2; 3293 3294 spi->valid = 0; 3295 scsi->valid = 0; 3296 spi->flags = 0; 3297 scsi->flags = 0; 3298 if (dval & DPARM_DISC) { 3299 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3300 } 3301 if ((dval & DPARM_SYNC) && oval && pval) { 3302 spi->sync_offset = oval; 3303 spi->sync_period = pval; 3304 } else { 3305 spi->sync_offset = 0; 3306 spi->sync_period = 0; 3307 } 3308 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3309 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3310 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3311 if (dval & DPARM_WIDE) { 3312 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3313 } else { 3314 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3315 } 3316 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3317 scsi->valid = CTS_SCSI_VALID_TQ; 3318 if (dval & DPARM_TQING) { 3319 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3320 } 3321 spi->valid |= CTS_SPI_VALID_DISC; 3322 } 3323 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 3324 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval); 3325 } 3326 ccb->ccb_h.status = CAM_REQ_CMP; 3327 xpt_done(ccb); 3328 break; 3329 3330 case XPT_CALC_GEOMETRY: 3331 cam_calc_geometry(&ccb->ccg, 1); 3332 xpt_done(ccb); 3333 break; 3334 3335 case XPT_RESET_BUS: /* Reset the specified bus */ 3336 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 3337 if (error) { 3338 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3339 xpt_done(ccb); 3340 break; 3341 } 3342 if (bootverbose) { 3343 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 3344 } 3345 if (IS_FC(isp)) { 3346 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 3347 } else { 3348 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 3349 } 3350 ccb->ccb_h.status = CAM_REQ_CMP; 3351 xpt_done(ccb); 3352 break; 3353 3354 case XPT_TERM_IO: /* Terminate the I/O process */ 3355 ccb->ccb_h.status = CAM_REQ_INVALID; 3356 xpt_done(ccb); 3357 break; 3358 3359 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 3360 { 3361 struct ccb_sim_knob *kp = &ccb->knob; 3362 fcparam *fcp; 3363 3364 if (!IS_FC(isp)) { 3365 ccb->ccb_h.status = CAM_REQ_INVALID; 3366 xpt_done(ccb); 3367 break; 3368 } 3369 3370 fcp = FCPARAM(isp, bus); 3371 3372 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 3373 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 3374 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 3375 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 3376 } 3377 ccb->ccb_h.status = CAM_REQ_CMP; 3378 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 3379 int rchange = 0; 3380 int newrole = 0; 3381 3382 switch (kp->xport_specific.fc.role) { 3383 case KNOB_ROLE_NONE: 3384 if (fcp->role != ISP_ROLE_NONE) { 3385 rchange = 1; 3386 newrole = ISP_ROLE_NONE; 3387 } 3388 break; 3389 case KNOB_ROLE_TARGET: 3390 if (fcp->role != ISP_ROLE_TARGET) { 3391 rchange = 1; 3392 newrole = ISP_ROLE_TARGET; 3393 } 3394 break; 3395 case KNOB_ROLE_INITIATOR: 3396 if (fcp->role != ISP_ROLE_INITIATOR) { 3397 rchange = 1; 3398 newrole = ISP_ROLE_INITIATOR; 3399 } 3400 break; 3401 case KNOB_ROLE_BOTH: 3402 if (fcp->role != ISP_ROLE_BOTH) { 3403 rchange = 1; 3404 newrole = ISP_ROLE_BOTH; 3405 } 3406 break; 3407 } 3408 if (rchange) { 3409 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 3410 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 3411 bus, newrole) != 0) { 3412 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3413 xpt_done(ccb); 3414 break; 3415 } 3416 } 3417 } 3418 xpt_done(ccb); 3419 break; 3420 } 3421 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 3422 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 3423 { 3424 struct ccb_sim_knob *kp = &ccb->knob; 3425 3426 if (IS_FC(isp)) { 3427 fcparam *fcp; 3428 3429 fcp = FCPARAM(isp, bus); 3430 3431 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 3432 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 3433 switch (fcp->role) { 3434 case ISP_ROLE_NONE: 3435 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 3436 break; 3437 case ISP_ROLE_TARGET: 3438 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 3439 break; 3440 case ISP_ROLE_INITIATOR: 3441 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 3442 break; 3443 case ISP_ROLE_BOTH: 3444 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 3445 break; 3446 } 3447 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 3448 ccb->ccb_h.status = CAM_REQ_CMP; 3449 } else { 3450 ccb->ccb_h.status = CAM_REQ_INVALID; 3451 } 3452 xpt_done(ccb); 3453 break; 3454 } 3455 case XPT_PATH_INQ: /* Path routing inquiry */ 3456 { 3457 struct ccb_pathinq *cpi = &ccb->cpi; 3458 3459 cpi->version_num = 1; 3460 #ifdef ISP_TARGET_MODE 3461 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp)) 3462 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3463 else 3464 #endif 3465 cpi->target_sprt = 0; 3466 cpi->hba_eng_cnt = 0; 3467 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 3468 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ? 3469 255 : ISP_MAX_LUNS(isp) - 1; 3470 cpi->bus_id = cam_sim_bus(sim); 3471 if (isp->isp_osinfo.sixtyfourbit) 3472 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 3473 else 3474 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 3475 3476 if (IS_FC(isp)) { 3477 fcparam *fcp = FCPARAM(isp, bus); 3478 3479 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 3480 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 3481 3482 /* 3483 * Because our loop ID can shift from time to time, 3484 * make our initiator ID out of range of our bus. 3485 */ 3486 cpi->initiator_id = cpi->max_target + 1; 3487 3488 /* 3489 * Set base transfer capabilities for Fibre Channel, for this HBA. 3490 */ 3491 if (IS_25XX(isp)) { 3492 cpi->base_transfer_speed = 8000000; 3493 } else if (IS_24XX(isp)) { 3494 cpi->base_transfer_speed = 4000000; 3495 } else if (IS_23XX(isp)) { 3496 cpi->base_transfer_speed = 2000000; 3497 } else { 3498 cpi->base_transfer_speed = 1000000; 3499 } 3500 cpi->hba_inquiry = PI_TAG_ABLE; 3501 cpi->transport = XPORT_FC; 3502 cpi->transport_version = 0; 3503 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 3504 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 3505 cpi->xport_specific.fc.port = fcp->isp_portid; 3506 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 3507 } else { 3508 sdparam *sdp = SDPARAM(isp, bus); 3509 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3510 cpi->hba_misc = PIM_UNMAPPED; 3511 cpi->initiator_id = sdp->isp_initiator_id; 3512 cpi->base_transfer_speed = 3300; 3513 cpi->transport = XPORT_SPI; 3514 cpi->transport_version = 2; 3515 } 3516 cpi->protocol = PROTO_SCSI; 3517 cpi->protocol_version = SCSI_REV_2; 3518 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3519 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 3520 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3521 cpi->unit_number = cam_sim_unit(sim); 3522 cpi->ccb_h.status = CAM_REQ_CMP; 3523 xpt_done(ccb); 3524 break; 3525 } 3526 default: 3527 ccb->ccb_h.status = CAM_REQ_INVALID; 3528 xpt_done(ccb); 3529 break; 3530 } 3531 } 3532 3533 void 3534 isp_done(XS_T *sccb) 3535 { 3536 ispsoftc_t *isp = XS_ISP(sccb); 3537 uint32_t status; 3538 3539 if (XS_NOERR(sccb)) 3540 XS_SETERR(sccb, CAM_REQ_CMP); 3541 3542 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 3543 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 3544 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 3545 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 3546 } else { 3547 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 3548 } 3549 } 3550 3551 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3552 status = sccb->ccb_h.status & CAM_STATUS_MASK; 3553 if (status != CAM_REQ_CMP && 3554 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 3555 sccb->ccb_h.status |= CAM_DEV_QFRZN; 3556 xpt_freeze_devq(sccb->ccb_h.path, 1); 3557 } 3558 3559 if (ISP_PCMD(sccb)) { 3560 if (callout_active(&PISP_PCMD(sccb)->wdog)) 3561 callout_stop(&PISP_PCMD(sccb)->wdog); 3562 isp_free_pcmd(isp, (union ccb *) sccb); 3563 } 3564 xpt_done((union ccb *) sccb); 3565 } 3566 3567 void 3568 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 3569 { 3570 int bus; 3571 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 3572 char buf[64]; 3573 char *msg = NULL; 3574 target_id_t tgt; 3575 fcportdb_t *lp; 3576 struct isp_fc *fc; 3577 struct cam_path *tmppath; 3578 struct ac_contract ac; 3579 struct ac_device_changed *adc; 3580 va_list ap; 3581 3582 switch (cmd) { 3583 case ISPASYNC_NEW_TGT_PARAMS: 3584 { 3585 struct ccb_trans_settings_scsi *scsi; 3586 struct ccb_trans_settings_spi *spi; 3587 int flags, tgt; 3588 sdparam *sdp; 3589 struct ccb_trans_settings cts; 3590 3591 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 3592 3593 va_start(ap, cmd); 3594 bus = va_arg(ap, int); 3595 tgt = va_arg(ap, int); 3596 va_end(ap); 3597 sdp = SDPARAM(isp, bus); 3598 3599 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 3600 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 3601 break; 3602 } 3603 flags = sdp->isp_devparam[tgt].actv_flags; 3604 cts.type = CTS_TYPE_CURRENT_SETTINGS; 3605 cts.protocol = PROTO_SCSI; 3606 cts.transport = XPORT_SPI; 3607 3608 scsi = &cts.proto_specific.scsi; 3609 spi = &cts.xport_specific.spi; 3610 3611 if (flags & DPARM_TQING) { 3612 scsi->valid |= CTS_SCSI_VALID_TQ; 3613 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3614 } 3615 3616 if (flags & DPARM_DISC) { 3617 spi->valid |= CTS_SPI_VALID_DISC; 3618 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3619 } 3620 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 3621 if (flags & DPARM_WIDE) { 3622 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3623 } else { 3624 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3625 } 3626 if (flags & DPARM_SYNC) { 3627 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3628 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3629 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 3630 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 3631 } 3632 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); 3633 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 3634 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 3635 xpt_free_path(tmppath); 3636 break; 3637 } 3638 case ISPASYNC_BUS_RESET: 3639 { 3640 va_start(ap, cmd); 3641 bus = va_arg(ap, int); 3642 va_end(ap); 3643 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 3644 if (IS_FC(isp)) { 3645 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 3646 } else { 3647 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 3648 } 3649 break; 3650 } 3651 case ISPASYNC_LIP: 3652 if (msg == NULL) 3653 msg = "LIP Received"; 3654 /* FALLTHROUGH */ 3655 case ISPASYNC_LOOP_RESET: 3656 if (msg == NULL) 3657 msg = "LOOP Reset"; 3658 /* FALLTHROUGH */ 3659 case ISPASYNC_LOOP_DOWN: 3660 if (msg == NULL) 3661 msg = "LOOP Down"; 3662 va_start(ap, cmd); 3663 bus = va_arg(ap, int); 3664 va_end(ap); 3665 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 3666 isp_loop_changed(isp, bus); 3667 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3668 break; 3669 case ISPASYNC_LOOP_UP: 3670 va_start(ap, cmd); 3671 bus = va_arg(ap, int); 3672 va_end(ap); 3673 isp_loop_changed(isp, bus); 3674 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus); 3675 break; 3676 case ISPASYNC_DEV_ARRIVED: 3677 va_start(ap, cmd); 3678 bus = va_arg(ap, int); 3679 lp = va_arg(ap, fcportdb_t *); 3680 va_end(ap); 3681 fc = ISP_FC_PC(isp, bus); 3682 tgt = FC_PORTDB_TGT(isp, bus, lp); 3683 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3684 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 3685 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3686 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 3687 lp->is_target = 1; 3688 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3689 isp_make_here(isp, lp, bus, tgt); 3690 } 3691 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3692 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 3693 lp->is_initiator = 1; 3694 ac.contract_number = AC_CONTRACT_DEV_CHG; 3695 adc = (struct ac_device_changed *) ac.contract_data; 3696 adc->wwpn = lp->port_wwn; 3697 adc->port = lp->portid; 3698 adc->target = tgt; 3699 adc->arrived = 1; 3700 xpt_async(AC_CONTRACT, fc->path, &ac); 3701 } 3702 break; 3703 case ISPASYNC_DEV_CHANGED: 3704 va_start(ap, cmd); 3705 bus = va_arg(ap, int); 3706 lp = va_arg(ap, fcportdb_t *); 3707 va_end(ap); 3708 fc = ISP_FC_PC(isp, bus); 3709 tgt = FC_PORTDB_TGT(isp, bus, lp); 3710 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 3711 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 3712 changed: 3713 if (lp->is_target != 3714 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3715 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 3716 lp->is_target = !lp->is_target; 3717 if (lp->is_target) { 3718 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3719 isp_make_here(isp, lp, bus, tgt); 3720 } else { 3721 isp_make_gone(isp, lp, bus, tgt); 3722 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3723 } 3724 } 3725 if (lp->is_initiator != 3726 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3727 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 3728 lp->is_initiator = !lp->is_initiator; 3729 ac.contract_number = AC_CONTRACT_DEV_CHG; 3730 adc = (struct ac_device_changed *) ac.contract_data; 3731 adc->wwpn = lp->port_wwn; 3732 adc->port = lp->portid; 3733 adc->target = tgt; 3734 adc->arrived = lp->is_initiator; 3735 xpt_async(AC_CONTRACT, fc->path, &ac); 3736 } 3737 break; 3738 case ISPASYNC_DEV_STAYED: 3739 va_start(ap, cmd); 3740 bus = va_arg(ap, int); 3741 lp = va_arg(ap, fcportdb_t *); 3742 va_end(ap); 3743 fc = ISP_FC_PC(isp, bus); 3744 tgt = FC_PORTDB_TGT(isp, bus, lp); 3745 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3746 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 3747 goto changed; 3748 case ISPASYNC_DEV_GONE: 3749 va_start(ap, cmd); 3750 bus = va_arg(ap, int); 3751 lp = va_arg(ap, fcportdb_t *); 3752 va_end(ap); 3753 fc = ISP_FC_PC(isp, bus); 3754 tgt = FC_PORTDB_TGT(isp, bus, lp); 3755 /* 3756 * If this has a virtual target or initiator set the isp_gdt 3757 * timer running on it to delay its departure. 3758 */ 3759 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3760 if (lp->is_target || lp->is_initiator) { 3761 lp->state = FC_PORTDB_STATE_ZOMBIE; 3762 lp->gone_timer = fc->gone_device_time; 3763 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 3764 if (fc->ready && !callout_active(&fc->gdt)) { 3765 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); 3766 callout_reset(&fc->gdt, hz, isp_gdt, fc); 3767 } 3768 break; 3769 } 3770 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 3771 break; 3772 case ISPASYNC_CHANGE_NOTIFY: 3773 { 3774 char *msg; 3775 int evt, nphdl, nlstate, portid, reason; 3776 3777 va_start(ap, cmd); 3778 bus = va_arg(ap, int); 3779 evt = va_arg(ap, int); 3780 if (evt == ISPASYNC_CHANGE_PDB) { 3781 nphdl = va_arg(ap, int); 3782 nlstate = va_arg(ap, int); 3783 reason = va_arg(ap, int); 3784 } else if (evt == ISPASYNC_CHANGE_SNS) { 3785 portid = va_arg(ap, int); 3786 } else { 3787 nphdl = NIL_HANDLE; 3788 nlstate = reason = 0; 3789 } 3790 va_end(ap); 3791 fc = ISP_FC_PC(isp, bus); 3792 3793 if (evt == ISPASYNC_CHANGE_PDB) { 3794 msg = "Port Database Changed"; 3795 isp_prt(isp, ISP_LOGINFO, 3796 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3797 bus, msg, nphdl, nlstate, reason); 3798 } else if (evt == ISPASYNC_CHANGE_SNS) { 3799 msg = "Name Server Database Changed"; 3800 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3801 bus, msg, portid); 3802 } else { 3803 msg = "Other Change Notify"; 3804 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3805 } 3806 isp_loop_changed(isp, bus); 3807 break; 3808 } 3809 #ifdef ISP_TARGET_MODE 3810 case ISPASYNC_TARGET_NOTIFY: 3811 { 3812 isp_notify_t *notify; 3813 va_start(ap, cmd); 3814 notify = va_arg(ap, isp_notify_t *); 3815 va_end(ap); 3816 switch (notify->nt_ncode) { 3817 case NT_ABORT_TASK: 3818 case NT_ABORT_TASK_SET: 3819 case NT_CLEAR_ACA: 3820 case NT_CLEAR_TASK_SET: 3821 case NT_LUN_RESET: 3822 case NT_TARGET_RESET: 3823 case NT_QUERY_TASK_SET: 3824 case NT_QUERY_ASYNC_EVENT: 3825 /* 3826 * These are task management functions. 3827 */ 3828 isp_handle_platform_target_tmf(isp, notify); 3829 break; 3830 case NT_BUS_RESET: 3831 case NT_LIP_RESET: 3832 case NT_LINK_UP: 3833 case NT_LINK_DOWN: 3834 case NT_HBA_RESET: 3835 /* 3836 * No action need be taken here. 3837 */ 3838 break; 3839 case NT_GLOBAL_LOGOUT: 3840 case NT_LOGOUT: 3841 /* 3842 * This is device arrival/departure notification 3843 */ 3844 isp_handle_platform_target_notify_ack(isp, notify, 0); 3845 break; 3846 case NT_SRR: 3847 isp_handle_platform_srr(isp, notify); 3848 break; 3849 default: 3850 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3851 isp_handle_platform_target_notify_ack(isp, notify, 0); 3852 break; 3853 } 3854 break; 3855 } 3856 case ISPASYNC_TARGET_NOTIFY_ACK: 3857 { 3858 void *inot; 3859 va_start(ap, cmd); 3860 inot = va_arg(ap, void *); 3861 va_end(ap); 3862 if (isp_notify_ack(isp, inot)) { 3863 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3864 if (tp) { 3865 tp->isp = isp; 3866 memcpy(tp->data, inot, sizeof (tp->data)); 3867 tp->not = tp->data; 3868 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3869 callout_reset(&tp->timer, 5, 3870 isp_refire_notify_ack, tp); 3871 } else { 3872 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3873 } 3874 } 3875 break; 3876 } 3877 case ISPASYNC_TARGET_ACTION: 3878 { 3879 isphdr_t *hp; 3880 3881 va_start(ap, cmd); 3882 hp = va_arg(ap, isphdr_t *); 3883 va_end(ap); 3884 switch (hp->rqs_entry_type) { 3885 case RQSTYPE_ATIO: 3886 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 3887 break; 3888 case RQSTYPE_ATIO2: 3889 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 3890 break; 3891 case RQSTYPE_CTIO7: 3892 case RQSTYPE_CTIO3: 3893 case RQSTYPE_CTIO2: 3894 case RQSTYPE_CTIO: 3895 isp_handle_platform_ctio(isp, hp); 3896 break; 3897 default: 3898 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3899 __func__, hp->rqs_entry_type); 3900 break; 3901 } 3902 break; 3903 } 3904 #endif 3905 case ISPASYNC_FW_CRASH: 3906 { 3907 uint16_t mbox1, mbox6; 3908 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3909 if (IS_DUALBUS(isp)) { 3910 mbox6 = ISP_READ(isp, OUTMAILBOX6); 3911 } else { 3912 mbox6 = 0; 3913 } 3914 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 3915 #if 0 3916 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 3917 isp->isp_osinfo.mbox_sleep_ok = 0; 3918 isp_reinit(isp, 1); 3919 isp->isp_osinfo.mbox_sleep_ok = mbox1; 3920 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 3921 #endif 3922 break; 3923 } 3924 default: 3925 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 3926 break; 3927 } 3928 } 3929 3930 uint64_t 3931 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 3932 { 3933 uint64_t seed; 3934 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3935 3936 /* First try to use explicitly configured WWNs. */ 3937 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 3938 if (seed) 3939 return (seed); 3940 3941 /* Otherwise try to use WWNs from NVRAM. */ 3942 if (isactive) { 3943 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 3944 FCPARAM(isp, chan)->isp_wwpn_nvram; 3945 if (seed) 3946 return (seed); 3947 } 3948 3949 /* If still no WWNs, try to steal them from the first channel. */ 3950 if (chan > 0) { 3951 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 3952 ISP_FC_PC(isp, 0)->def_wwpn; 3953 if (seed == 0) { 3954 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 3955 FCPARAM(isp, 0)->isp_wwpn_nvram; 3956 } 3957 } 3958 3959 /* If still nothing -- improvise. */ 3960 if (seed == 0) { 3961 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 3962 if (!iswwnn) 3963 seed ^= 0x0100000000000000ULL; 3964 } 3965 3966 /* For additional channels we have to improvise even more. */ 3967 if (!iswwnn && chan > 0) { 3968 /* 3969 * We'll stick our channel number plus one first into bits 3970 * 57..59 and thence into bits 52..55 which allows for 8 bits 3971 * of channel which is enough for our maximum of 255 channels. 3972 */ 3973 seed ^= 0x0100000000000000ULL; 3974 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 3975 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 3976 } 3977 return (seed); 3978 } 3979 3980 void 3981 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 3982 { 3983 int loc; 3984 char lbuf[200]; 3985 va_list ap; 3986 3987 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3988 return; 3989 } 3990 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 3991 loc = strlen(lbuf); 3992 va_start(ap, fmt); 3993 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 3994 va_end(ap); 3995 printf("%s\n", lbuf); 3996 } 3997 3998 void 3999 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 4000 { 4001 va_list ap; 4002 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4003 return; 4004 } 4005 xpt_print_path(xs->ccb_h.path); 4006 va_start(ap, fmt); 4007 vprintf(fmt, ap); 4008 va_end(ap); 4009 printf("\n"); 4010 } 4011 4012 uint64_t 4013 isp_nanotime_sub(struct timespec *b, struct timespec *a) 4014 { 4015 uint64_t elapsed; 4016 struct timespec x = *b; 4017 timespecsub(&x, a); 4018 elapsed = GET_NANOSEC(&x); 4019 if (elapsed == 0) 4020 elapsed++; 4021 return (elapsed); 4022 } 4023 4024 int 4025 isp_mbox_acquire(ispsoftc_t *isp) 4026 { 4027 if (isp->isp_osinfo.mboxbsy) { 4028 return (1); 4029 } else { 4030 isp->isp_osinfo.mboxcmd_done = 0; 4031 isp->isp_osinfo.mboxbsy = 1; 4032 return (0); 4033 } 4034 } 4035 4036 void 4037 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 4038 { 4039 u_int t, to; 4040 4041 to = (mbp->timeout == 0) ? MBCMD_DEFAULT_TIMEOUT : mbp->timeout; 4042 if (isp->isp_osinfo.mbox_sleep_ok) { 4043 isp->isp_osinfo.mbox_sleep_ok = 0; 4044 isp->isp_osinfo.mbox_sleeping = 1; 4045 msleep_sbt(&isp->isp_osinfo.mboxcmd_done, &isp->isp_lock, 4046 PRIBIO, "ispmbx_sleep", to * SBT_1US, 0, 0); 4047 isp->isp_osinfo.mbox_sleep_ok = 1; 4048 isp->isp_osinfo.mbox_sleeping = 0; 4049 } else { 4050 for (t = 0; t < to; t += 100) { 4051 if (isp->isp_osinfo.mboxcmd_done) 4052 break; 4053 ISP_RUN_ISR(isp); 4054 if (isp->isp_osinfo.mboxcmd_done) 4055 break; 4056 ISP_DELAY(100); 4057 } 4058 } 4059 if (isp->isp_osinfo.mboxcmd_done == 0) { 4060 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (%s:%d)", 4061 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 4062 isp->isp_lastmbxcmd, to, mbp->func, mbp->lineno); 4063 mbp->param[0] = MBOX_TIMEOUT; 4064 isp->isp_osinfo.mboxcmd_done = 1; 4065 } 4066 } 4067 4068 void 4069 isp_mbox_notify_done(ispsoftc_t *isp) 4070 { 4071 isp->isp_osinfo.mboxcmd_done = 1; 4072 if (isp->isp_osinfo.mbox_sleeping) 4073 wakeup(&isp->isp_osinfo.mboxcmd_done); 4074 } 4075 4076 void 4077 isp_mbox_release(ispsoftc_t *isp) 4078 { 4079 isp->isp_osinfo.mboxbsy = 0; 4080 } 4081 4082 int 4083 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 4084 { 4085 int ret = 0; 4086 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 4087 ret = -1; 4088 } else { 4089 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 4090 } 4091 return (ret); 4092 } 4093 4094 void 4095 isp_platform_intr(void *arg) 4096 { 4097 ispsoftc_t *isp = arg; 4098 4099 ISP_LOCK(isp); 4100 ISP_RUN_ISR(isp); 4101 ISP_UNLOCK(isp); 4102 } 4103 4104 void 4105 isp_platform_intr_resp(void *arg) 4106 { 4107 ispsoftc_t *isp = arg; 4108 4109 ISP_LOCK(isp); 4110 isp_intr_respq(isp); 4111 ISP_UNLOCK(isp); 4112 4113 /* We have handshake enabled, so explicitly complete interrupt */ 4114 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4115 } 4116 4117 void 4118 isp_platform_intr_atio(void *arg) 4119 { 4120 ispsoftc_t *isp = arg; 4121 4122 ISP_LOCK(isp); 4123 #ifdef ISP_TARGET_MODE 4124 isp_intr_atioq(isp); 4125 #endif 4126 ISP_UNLOCK(isp); 4127 4128 /* We have handshake enabled, so explicitly complete interrupt */ 4129 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4130 } 4131 4132 void 4133 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 4134 { 4135 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4136 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 4137 } else { 4138 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 4139 } 4140 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 4141 } 4142 4143 /* 4144 * Reset the command reference number for all LUNs on a specific target 4145 * (needed when a target arrives again) or for all targets on a port 4146 * (needed for events like a LIP). 4147 */ 4148 void 4149 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 4150 { 4151 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4152 struct isp_nexus *nxp; 4153 int i; 4154 4155 if (tgt_set == 0) 4156 isp_prt(isp, ISP_LOGDEBUG0, 4157 "Chan %d resetting CRN on all targets", chan); 4158 else 4159 isp_prt(isp, ISP_LOGDEBUG0, 4160 "Chan %d resetting CRN on target %u", chan, tgt); 4161 4162 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 4163 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 4164 if (tgt_set == 0 || tgt == nxp->tgt) 4165 nxp->crnseed = 0; 4166 } 4167 } 4168 } 4169 4170 int 4171 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 4172 { 4173 lun_id_t lun; 4174 uint32_t chan, tgt; 4175 struct isp_fc *fc; 4176 struct isp_nexus *nxp; 4177 int idx; 4178 4179 if (IS_2100(isp)) 4180 return (0); 4181 4182 chan = XS_CHANNEL(cmd); 4183 tgt = XS_TGT(cmd); 4184 lun = XS_LUN(cmd); 4185 fc = &isp->isp_osinfo.pc.fc[chan]; 4186 idx = NEXUS_HASH(tgt, lun); 4187 nxp = fc->nexus_hash[idx]; 4188 4189 while (nxp) { 4190 if (nxp->tgt == tgt && nxp->lun == lun) 4191 break; 4192 nxp = nxp->next; 4193 } 4194 if (nxp == NULL) { 4195 nxp = fc->nexus_free_list; 4196 if (nxp == NULL) { 4197 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 4198 if (nxp == NULL) { 4199 return (-1); 4200 } 4201 } else { 4202 fc->nexus_free_list = nxp->next; 4203 } 4204 nxp->tgt = tgt; 4205 nxp->lun = lun; 4206 nxp->next = fc->nexus_hash[idx]; 4207 fc->nexus_hash[idx] = nxp; 4208 } 4209 if (nxp->crnseed == 0) 4210 nxp->crnseed = 1; 4211 *crnp = nxp->crnseed++; 4212 return (0); 4213 } 4214 4215 /* 4216 * We enter with the lock held 4217 */ 4218 void 4219 isp_timer(void *arg) 4220 { 4221 ispsoftc_t *isp = arg; 4222 #ifdef ISP_TARGET_MODE 4223 isp_tmcmd_restart(isp); 4224 #endif 4225 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 4226 } 4227 4228 isp_ecmd_t * 4229 isp_get_ecmd(ispsoftc_t *isp) 4230 { 4231 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 4232 if (ecmd) { 4233 isp->isp_osinfo.ecmd_free = ecmd->next; 4234 } 4235 return (ecmd); 4236 } 4237 4238 void 4239 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 4240 { 4241 ecmd->next = isp->isp_osinfo.ecmd_free; 4242 isp->isp_osinfo.ecmd_free = ecmd; 4243 } 4244