isp_freebsd.c revision 316411
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: stable/11/sys/dev/isp/isp_freebsd.c 316411 2017-04-02 11:00:47Z mav $"); 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 44MODULE_VERSION(isp, 1); 45MODULE_DEPEND(isp, cam, 1, 1, 1); 46int isp_announced = 0; 47int isp_loop_down_limit = 60; /* default loop down limit */ 48int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */ 49int isp_gone_device_time = 30; /* grace time before reporting device lost */ 50static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 51 52static void isp_freeze_loopdown(ispsoftc_t *, int); 53static void isp_loop_changed(ispsoftc_t *isp, int chan); 54static d_ioctl_t ispioctl; 55static void isp_cam_async(void *, uint32_t, struct cam_path *, void *); 56static void isp_poll(struct cam_sim *); 57static timeout_t isp_watchdog; 58static timeout_t isp_gdt; 59static task_fn_t isp_gdt_task; 60static void isp_kthread(void *); 61static void isp_action(struct cam_sim *, union ccb *); 62static int isp_timer_count; 63static void isp_timer(void *); 64 65static struct cdevsw isp_cdevsw = { 66 .d_version = D_VERSION, 67 .d_ioctl = ispioctl, 68 .d_name = "isp", 69}; 70 71static int 72isp_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 105static int 106isp_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 242static void 243isp_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 270int 271isp_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 301unwind: 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 319int 320isp_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 339static void 340isp_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 359static void 360isp_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 376static int 377ispioctl(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 714static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 715static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 716 717static ISP_INLINE int 718isp_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 728static ISP_INLINE void 729isp_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 PISP_PCMD(ccb)->totslen = 0; 735 PISP_PCMD(ccb)->cumslen = 0; 736 PISP_PCMD(ccb)->crn = 0; 737#endif 738 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 739 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 740 ISP_PCMD(ccb) = NULL; 741 } 742} 743 744/* 745 * Put the target mode functions here, because some are inlines 746 */ 747#ifdef ISP_TARGET_MODE 748static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 749static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 750static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 751static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 752static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 753static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 754static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 755static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 756static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 757static void isp_enable_lun(ispsoftc_t *, union ccb *); 758static void isp_disable_lun(ispsoftc_t *, union ccb *); 759static timeout_t isp_refire_putback_atio; 760static timeout_t isp_refire_notify_ack; 761static void isp_complete_ctio(union ccb *); 762static void isp_target_putback_atio(union ccb *); 763enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 764static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 765static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 766static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 767static void isp_handle_platform_ctio(ispsoftc_t *, void *); 768static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 769static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 770static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 771 772static ISP_INLINE tstate_t * 773get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 774{ 775 tstate_t *tptr = NULL; 776 struct tslist *lhp; 777 778 if (bus < isp->isp_nchan) { 779 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 780 SLIST_FOREACH(tptr, lhp, next) { 781 if (tptr->ts_lun == lun) 782 return (tptr); 783 } 784 } 785 return (NULL); 786} 787 788static int 789isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 790{ 791 inot_private_data_t *ntp; 792 struct ntpdlist rq; 793 794 if (STAILQ_EMPTY(&tptr->restart_queue)) 795 return (0); 796 STAILQ_INIT(&rq); 797 STAILQ_CONCAT(&rq, &tptr->restart_queue); 798 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 799 STAILQ_REMOVE_HEAD(&rq, next); 800 if (IS_24XX(isp)) { 801 isp_prt(isp, ISP_LOGTDEBUG0, 802 "%s: restarting resrc deprived %x", __func__, 803 ((at7_entry_t *)ntp->data)->at_rxid); 804 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 805 } else { 806 isp_prt(isp, ISP_LOGTDEBUG0, 807 "%s: restarting resrc deprived %x", __func__, 808 ((at2_entry_t *)ntp->data)->at_rxid); 809 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data); 810 } 811 isp_put_ntpd(isp, bus, ntp); 812 if (!STAILQ_EMPTY(&tptr->restart_queue)) 813 break; 814 } 815 if (!STAILQ_EMPTY(&rq)) { 816 STAILQ_CONCAT(&rq, &tptr->restart_queue); 817 STAILQ_CONCAT(&tptr->restart_queue, &rq); 818 } 819 return (!STAILQ_EMPTY(&tptr->restart_queue)); 820} 821 822static void 823isp_tmcmd_restart(ispsoftc_t *isp) 824{ 825 tstate_t *tptr; 826 union ccb *ccb; 827 struct tslist *lhp; 828 struct isp_ccbq *waitq; 829 int bus, i; 830 831 for (bus = 0; bus < isp->isp_nchan; bus++) { 832 for (i = 0; i < LUN_HASH_SIZE; i++) { 833 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 834 SLIST_FOREACH(tptr, lhp, next) 835 isp_atio_restart(isp, bus, tptr); 836 } 837 838 /* 839 * We only need to do this once per channel. 840 */ 841 ISP_GET_PC_ADDR(isp, bus, waitq, waitq); 842 ccb = (union ccb *)TAILQ_FIRST(waitq); 843 if (ccb != NULL) { 844 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 845 isp_target_start_ctio(isp, ccb, FROM_TIMER); 846 } 847 } 848} 849 850static atio_private_data_t * 851isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 852{ 853 struct atpdlist *atfree; 854 struct atpdlist *atused; 855 atio_private_data_t *atp; 856 857 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 858 atp = LIST_FIRST(atfree); 859 if (atp) { 860 LIST_REMOVE(atp, next); 861 atp->tag = tag; 862 ISP_GET_PC(isp, chan, atused, atused); 863 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next); 864 } 865 return (atp); 866} 867 868static atio_private_data_t * 869isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 870{ 871 struct atpdlist *atused; 872 atio_private_data_t *atp; 873 874 ISP_GET_PC(isp, chan, atused, atused); 875 LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) { 876 if (atp->tag == tag) 877 return (atp); 878 } 879 return (NULL); 880} 881 882static void 883isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 884{ 885 struct atpdlist *atfree; 886 887 if (atp->ests) { 888 isp_put_ecmd(isp, atp->ests); 889 } 890 LIST_REMOVE(atp, next); 891 memset(atp, 0, sizeof (*atp)); 892 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 893 LIST_INSERT_HEAD(atfree, atp, next); 894} 895 896static void 897isp_dump_atpd(ispsoftc_t *isp, int chan) 898{ 899 atio_private_data_t *atp, *atpool; 900 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 901 902 ISP_GET_PC(isp, chan, atpool, atpool); 903 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 904 if (atp->state == ATPD_STATE_FREE) 905 continue; 906 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", 907 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]); 908 } 909} 910 911static inot_private_data_t * 912isp_get_ntpd(ispsoftc_t *isp, int chan) 913{ 914 struct ntpdlist *ntfree; 915 inot_private_data_t *ntp; 916 917 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 918 ntp = STAILQ_FIRST(ntfree); 919 if (ntp) 920 STAILQ_REMOVE_HEAD(ntfree, next); 921 return (ntp); 922} 923 924static inot_private_data_t * 925isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 926{ 927 inot_private_data_t *ntp, *ntp2; 928 929 ISP_GET_PC(isp, chan, ntpool, ntp); 930 ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2); 931 for (; ntp < ntp2; ntp++) { 932 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 933 return (ntp); 934 } 935 return (NULL); 936} 937 938static void 939isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 940{ 941 struct ntpdlist *ntfree; 942 943 ntp->tag_id = ntp->seq_id = 0; 944 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 945 STAILQ_INSERT_HEAD(ntfree, ntp, next); 946} 947 948static cam_status 949create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 950{ 951 lun_id_t lun; 952 struct tslist *lhp; 953 tstate_t *tptr; 954 955 lun = xpt_path_lun_id(path); 956 if (lun != CAM_LUN_WILDCARD) { 957 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) { 958 return (CAM_LUN_INVALID); 959 } 960 } 961 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 962 if (tptr == NULL) { 963 return (CAM_RESRC_UNAVAIL); 964 } 965 tptr->ts_lun = lun; 966 SLIST_INIT(&tptr->atios); 967 SLIST_INIT(&tptr->inots); 968 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 969 SLIST_INSERT_HEAD(lhp, tptr, next); 970 *rslt = tptr; 971 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 972 return (CAM_REQ_CMP); 973} 974 975static void 976destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 977{ 978 union ccb *ccb; 979 struct tslist *lhp; 980 inot_private_data_t *ntp; 981 982 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 983 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 984 ccb->ccb_h.status = CAM_REQ_ABORTED; 985 xpt_done(ccb); 986 }; 987 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 988 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 989 ccb->ccb_h.status = CAM_REQ_ABORTED; 990 xpt_done(ccb); 991 } 992 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 993 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 994 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 995 isp_put_ntpd(isp, bus, ntp); 996 } 997 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 998 SLIST_REMOVE(lhp, tptr, tstate, next); 999 free(tptr, M_DEVBUF); 1000} 1001 1002static void 1003isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1004{ 1005 tstate_t *tptr; 1006 int bus; 1007 target_id_t target; 1008 lun_id_t lun; 1009 1010 if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) { 1011 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n"); 1012 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1013 xpt_done(ccb); 1014 return; 1015 } 1016 1017 /* 1018 * We only support either target and lun both wildcard 1019 * or target and lun both non-wildcard. 1020 */ 1021 bus = XS_CHANNEL(ccb); 1022 target = ccb->ccb_h.target_id; 1023 lun = ccb->ccb_h.target_lun; 1024 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1025 "enabling lun %jx\n", (uintmax_t)lun); 1026 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1027 ccb->ccb_h.status = CAM_LUN_INVALID; 1028 xpt_done(ccb); 1029 return; 1030 } 1031 1032 /* Create the state pointer. It should not already exist. */ 1033 tptr = get_lun_statep(isp, bus, lun); 1034 if (tptr) { 1035 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1036 xpt_done(ccb); 1037 return; 1038 } 1039 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1040 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1041 xpt_done(ccb); 1042 return; 1043 } 1044 1045 ccb->ccb_h.status = CAM_REQ_CMP; 1046 xpt_done(ccb); 1047} 1048 1049static void 1050isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1051{ 1052 tstate_t *tptr = NULL; 1053 int bus; 1054 target_id_t target; 1055 lun_id_t lun; 1056 1057 bus = XS_CHANNEL(ccb); 1058 target = ccb->ccb_h.target_id; 1059 lun = ccb->ccb_h.target_lun; 1060 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1061 "disabling lun %jx\n", (uintmax_t)lun); 1062 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1063 ccb->ccb_h.status = CAM_LUN_INVALID; 1064 xpt_done(ccb); 1065 return; 1066 } 1067 1068 /* Find the state pointer. */ 1069 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1070 ccb->ccb_h.status = CAM_PATH_INVALID; 1071 xpt_done(ccb); 1072 return; 1073 } 1074 1075 destroy_lun_state(isp, bus, tptr); 1076 ccb->ccb_h.status = CAM_REQ_CMP; 1077 xpt_done(ccb); 1078} 1079 1080static void 1081isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1082{ 1083 int fctape, sendstatus, resid; 1084 fcparam *fcp; 1085 atio_private_data_t *atp; 1086 struct ccb_scsiio *cso; 1087 struct isp_ccbq *waitq; 1088 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1089 uint8_t local[QENTRY_LEN]; 1090 1091 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, 1092 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1093 1094 ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq); 1095 switch (how) { 1096 case FROM_CAM: 1097 /* 1098 * Insert at the tail of the list, if any, waiting CTIO CCBs 1099 */ 1100 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 1101 break; 1102 case FROM_TIMER: 1103 case FROM_SRR: 1104 case FROM_CTIO_DONE: 1105 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1106 break; 1107 } 1108 1109 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 1110 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 1111 1112 cso = &ccb->csio; 1113 xfrlen = cso->dxfer_len; 1114 if (xfrlen == 0) { 1115 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1116 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1117 ccb->ccb_h.status = CAM_REQ_INVALID; 1118 xpt_done(ccb); 1119 continue; 1120 } 1121 } 1122 1123 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 1124 if (atp == NULL) { 1125 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1126 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 1127 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1128 xpt_done(ccb); 1129 continue; 1130 } 1131 1132 /* 1133 * Is this command a dead duck? 1134 */ 1135 if (atp->dead) { 1136 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1137 ccb->ccb_h.status = CAM_REQ_ABORTED; 1138 xpt_done(ccb); 1139 continue; 1140 } 1141 1142 /* 1143 * Check to make sure we're still in target mode. 1144 */ 1145 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1146 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1147 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1148 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1149 xpt_done(ccb); 1150 continue; 1151 } 1152 1153 /* 1154 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1155 * could be split into two CTIOs to split data and status). 1156 */ 1157 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1158 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); 1159 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1160 break; 1161 } 1162 1163 /* 1164 * Does the initiator expect FC-Tape style responses? 1165 */ 1166 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1167 fctape = 1; 1168 } else { 1169 fctape = 0; 1170 } 1171 1172 /* 1173 * If we already did the data xfer portion of a CTIO that sends data 1174 * and status, don't do it again and do the status portion now. 1175 */ 1176 if (atp->sendst) { 1177 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1178 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1179 xfrlen = 0; /* we already did the data transfer */ 1180 atp->sendst = 0; 1181 } 1182 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1183 sendstatus = 1; 1184 } else { 1185 sendstatus = 0; 1186 } 1187 1188 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1189 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1190 /* 1191 * Sense length is not the entire sense data structure size. Periph 1192 * drivers don't seem to be setting sense_len to reflect the actual 1193 * size. We'll peek inside to get the right amount. 1194 */ 1195 sense_length = cso->sense_len; 1196 1197 /* 1198 * This 'cannot' happen 1199 */ 1200 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1201 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1202 } 1203 } else { 1204 sense_length = 0; 1205 } 1206 1207 memset(local, 0, QENTRY_LEN); 1208 1209 /* 1210 * Check for overflow 1211 */ 1212 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1213 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1214 isp_prt(isp, ISP_LOGERR, 1215 "%s: [0x%x] data overflow by %u bytes", __func__, 1216 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1217 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1218 xpt_done(ccb); 1219 continue; 1220 } 1221 if (xfrlen > atp->orig_datalen - tmp) { 1222 xfrlen = atp->orig_datalen - tmp; 1223 if (xfrlen == 0 && !sendstatus) { 1224 cso->resid = cso->dxfer_len; 1225 ccb->ccb_h.status = CAM_REQ_CMP; 1226 xpt_done(ccb); 1227 continue; 1228 } 1229 } 1230 1231 if (IS_24XX(isp)) { 1232 ct7_entry_t *cto = (ct7_entry_t *) local; 1233 1234 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1235 cto->ct_header.rqs_entry_count = 1; 1236 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1237 ATPD_SET_SEQNO(cto, atp); 1238 cto->ct_nphdl = atp->nphdl; 1239 cto->ct_rxid = atp->tag; 1240 cto->ct_iid_lo = atp->sid; 1241 cto->ct_iid_hi = atp->sid >> 16; 1242 cto->ct_oxid = atp->oxid; 1243 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1244 cto->ct_timeout = XS_TIME(ccb); 1245 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1246 1247 /* 1248 * Mode 1, status, no data. Only possible when we are sending status, have 1249 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1250 * 1251 * Mode 2, status, no data. We have to use this in the case that 1252 * the sense data won't fit into a ct7_entry_t. 1253 * 1254 */ 1255 if (sendstatus && xfrlen == 0) { 1256 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1257 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1258 if (sense_length <= MAXRESPLEN_24XX) { 1259 cto->ct_flags |= CT7_FLAG_MODE1; 1260 cto->ct_scsi_status = cso->scsi_status; 1261 if (resid < 0) { 1262 cto->ct_resid = -resid; 1263 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1264 } else if (resid > 0) { 1265 cto->ct_resid = resid; 1266 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1267 } 1268 if (fctape) { 1269 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1270 } 1271 if (sense_length) { 1272 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1273 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1274 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1275 } 1276 } else { 1277 bus_addr_t addr; 1278 char buf[XCMD_SIZE]; 1279 fcp_rsp_iu_t *rp; 1280 1281 if (atp->ests == NULL) { 1282 atp->ests = isp_get_ecmd(isp); 1283 if (atp->ests == NULL) { 1284 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1285 break; 1286 } 1287 } 1288 memset(buf, 0, sizeof (buf)); 1289 rp = (fcp_rsp_iu_t *)buf; 1290 if (fctape) { 1291 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1292 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1293 } 1294 cto->ct_flags |= CT7_FLAG_MODE2; 1295 rp->fcp_rsp_scsi_status = cso->scsi_status; 1296 if (resid < 0) { 1297 rp->fcp_rsp_resid = -resid; 1298 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1299 } else if (resid > 0) { 1300 rp->fcp_rsp_resid = resid; 1301 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1302 } 1303 if (sense_length) { 1304 rp->fcp_rsp_snslen = sense_length; 1305 cto->ct_senselen = sense_length; 1306 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1307 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1308 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1309 } else { 1310 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1311 } 1312 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1313 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1314 } 1315 addr = isp->isp_osinfo.ecmd_dma; 1316 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1317 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, 1318 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1319 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1320 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1321 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1322 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1323 } 1324 if (sense_length) { 1325 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__, 1326 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, 1327 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1328 } else { 1329 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1330 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1331 } 1332 atp->state = ATPD_STATE_LAST_CTIO; 1333 } 1334 1335 /* 1336 * Mode 0 data transfers, *possibly* with status. 1337 */ 1338 if (xfrlen != 0) { 1339 cto->ct_flags |= CT7_FLAG_MODE0; 1340 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1341 cto->ct_flags |= CT7_DATA_IN; 1342 } else { 1343 cto->ct_flags |= CT7_DATA_OUT; 1344 } 1345 1346 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1347 cto->rsp.m0.ct_xfrlen = xfrlen; 1348 1349#ifdef DEBUG 1350 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1351 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1352 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1353 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1354 } 1355#endif 1356 if (sendstatus) { 1357 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1358 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1359 cto->ct_flags |= CT7_SENDSTATUS; 1360 atp->state = ATPD_STATE_LAST_CTIO; 1361 if (fctape) { 1362 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1363 } 1364 } else { 1365 atp->sendst = 1; /* send status later */ 1366 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1367 atp->state = ATPD_STATE_CTIO; 1368 } 1369 } else { 1370 atp->state = ATPD_STATE_CTIO; 1371 } 1372 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__, 1373 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1374 } 1375 } else { 1376 ct2_entry_t *cto = (ct2_entry_t *) local; 1377 1378 if (isp->isp_osinfo.sixtyfourbit) 1379 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3; 1380 else 1381 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1382 cto->ct_header.rqs_entry_count = 1; 1383 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1384 ATPD_SET_SEQNO(cto, atp); 1385 if (ISP_CAP_2KLOGIN(isp)) { 1386 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl; 1387 } else { 1388 cto->ct_iid = atp->nphdl; 1389 if (ISP_CAP_SCCFW(isp) == 0) { 1390 cto->ct_lun = ccb->ccb_h.target_lun; 1391 } 1392 } 1393 cto->ct_timeout = XS_TIME(ccb); 1394 cto->ct_rxid = cso->tag_id; 1395 1396 /* 1397 * Mode 1, status, no data. Only possible when we are sending status, have 1398 * no data to transfer, and the sense length can fit in the ct7_entry. 1399 * 1400 * Mode 2, status, no data. We have to use this in the case the response 1401 * length won't fit into a ct2_entry_t. 1402 * 1403 * We'll fill out this structure with information as if this were a 1404 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1405 * needed based upon this. 1406 */ 1407 if (sendstatus && xfrlen == 0) { 1408 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1409 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1410 if (sense_length <= MAXRESPLEN) { 1411 if (resid < 0) { 1412 cto->ct_resid = -resid; 1413 } else if (resid > 0) { 1414 cto->ct_resid = resid; 1415 } 1416 cto->ct_flags |= CT2_FLAG_MODE1; 1417 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1418 if (resid < 0) { 1419 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1420 } else if (resid > 0) { 1421 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1422 } 1423 if (fctape) { 1424 cto->ct_flags |= CT2_CONFIRM; 1425 } 1426 if (sense_length) { 1427 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1428 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1429 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1430 } 1431 } else { 1432 bus_addr_t addr; 1433 char buf[XCMD_SIZE]; 1434 fcp_rsp_iu_t *rp; 1435 1436 if (atp->ests == NULL) { 1437 atp->ests = isp_get_ecmd(isp); 1438 if (atp->ests == NULL) { 1439 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1440 break; 1441 } 1442 } 1443 memset(buf, 0, sizeof (buf)); 1444 rp = (fcp_rsp_iu_t *)buf; 1445 if (fctape) { 1446 cto->ct_flags |= CT2_CONFIRM; 1447 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1448 } 1449 cto->ct_flags |= CT2_FLAG_MODE2; 1450 rp->fcp_rsp_scsi_status = cso->scsi_status; 1451 if (resid < 0) { 1452 rp->fcp_rsp_resid = -resid; 1453 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1454 } else if (resid > 0) { 1455 rp->fcp_rsp_resid = resid; 1456 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1457 } 1458 if (sense_length) { 1459 rp->fcp_rsp_snslen = sense_length; 1460 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1461 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1462 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1463 } else { 1464 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1465 } 1466 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1467 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1468 } 1469 addr = isp->isp_osinfo.ecmd_dma; 1470 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1471 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, 1472 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1473 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1474 if (cto->ct_header.rqs_entry_type == RQSTYPE_CTIO3) { 1475 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr); 1476 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr); 1477 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1478 } else { 1479 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 1480 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1481 } 1482 } 1483 if (sense_length) { 1484 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d sense: %x %x/%x/%x", __func__, 1485 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, 1486 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1487 } else { 1488 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, cto->ct_rxid, 1489 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid); 1490 } 1491 atp->state = ATPD_STATE_LAST_CTIO; 1492 } 1493 1494 if (xfrlen != 0) { 1495 cto->ct_flags |= CT2_FLAG_MODE0; 1496 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1497 cto->ct_flags |= CT2_DATA_IN; 1498 } else { 1499 cto->ct_flags |= CT2_DATA_OUT; 1500 } 1501 1502 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit; 1503 cto->rsp.m0.ct_xfrlen = xfrlen; 1504 1505 if (sendstatus) { 1506 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1507 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) { 1508 cto->ct_flags |= CT2_SENDSTATUS; 1509 atp->state = ATPD_STATE_LAST_CTIO; 1510 if (fctape) { 1511 cto->ct_flags |= CT2_CONFIRM; 1512 } 1513 } else { 1514 atp->sendst = 1; /* send status later */ 1515 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1516 atp->state = ATPD_STATE_CTIO; 1517 } 1518 } else { 1519 atp->state = ATPD_STATE_CTIO; 1520 } 1521 } 1522 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[%x] seq %u nc %d CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u", __func__, cto->ct_rxid, 1523 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered); 1524 } 1525 1526 if (isp_get_pcmd(isp, ccb)) { 1527 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1528 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1529 break; 1530 } 1531 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1532 if (handle == 0) { 1533 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1534 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1535 isp_free_pcmd(isp, ccb); 1536 break; 1537 } 1538 atp->bytes_in_transit += xfrlen; 1539 PISP_PCMD(ccb)->datalen = xfrlen; 1540 1541 1542 /* 1543 * Call the dma setup routines for this entry (and any subsequent 1544 * CTIOs) if there's data to move, and then tell the f/w it's got 1545 * new things to play with. As with isp_start's usage of DMA setup, 1546 * any swizzling is done in the machine dependent layer. Because 1547 * of this, we put the request onto the queue area first in native 1548 * format. 1549 */ 1550 1551 if (IS_24XX(isp)) { 1552 ct7_entry_t *cto = (ct7_entry_t *) local; 1553 cto->ct_syshandle = handle; 1554 } else { 1555 ct2_entry_t *cto = (ct2_entry_t *) local; 1556 cto->ct_syshandle = handle; 1557 } 1558 1559 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local); 1560 if (dmaresult != CMD_QUEUED) { 1561 isp_destroy_handle(isp, handle); 1562 isp_free_pcmd(isp, ccb); 1563 if (dmaresult == CMD_EAGAIN) { 1564 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1565 break; 1566 } 1567 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1568 xpt_done(ccb); 1569 continue; 1570 } 1571 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1572 if (xfrlen) { 1573 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1574 } else { 1575 ccb->ccb_h.spriv_field0 = ~0; 1576 } 1577 atp->ctcnt++; 1578 atp->seqno++; 1579 } 1580} 1581 1582static void 1583isp_refire_putback_atio(void *arg) 1584{ 1585 union ccb *ccb = arg; 1586 1587 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb)); 1588 isp_target_putback_atio(ccb); 1589} 1590 1591static void 1592isp_refire_notify_ack(void *arg) 1593{ 1594 isp_tna_t *tp = arg; 1595 ispsoftc_t *isp = tp->isp; 1596 1597 ISP_ASSERT_LOCKED(isp); 1598 if (isp_notify_ack(isp, tp->not)) { 1599 callout_schedule(&tp->timer, 5); 1600 } else { 1601 free(tp, M_DEVBUF); 1602 } 1603} 1604 1605 1606static void 1607isp_target_putback_atio(union ccb *ccb) 1608{ 1609 ispsoftc_t *isp = XS_ISP(ccb); 1610 struct ccb_scsiio *cso = &ccb->csio; 1611 at2_entry_t local, *at = &local; 1612 1613 ISP_MEMZERO(at, sizeof (at2_entry_t)); 1614 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 1615 at->at_header.rqs_entry_count = 1; 1616 if (ISP_CAP_SCCFW(isp)) { 1617 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 1618 } else { 1619 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 1620 } 1621 at->at_status = CT_OK; 1622 at->at_rxid = cso->tag_id; 1623 at->at_iid = cso->ccb_h.target_id; 1624 if (isp_target_put_entry(isp, at)) { 1625 callout_reset(&PISP_PCMD(ccb)->wdog, 10, 1626 isp_refire_putback_atio, ccb); 1627 } else 1628 isp_complete_ctio(ccb); 1629} 1630 1631static void 1632isp_complete_ctio(union ccb *ccb) 1633{ 1634 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1635 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1636 xpt_done(ccb); 1637 } 1638} 1639 1640static void 1641isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep) 1642{ 1643 fcparam *fcp; 1644 lun_id_t lun; 1645 fcportdb_t *lp; 1646 tstate_t *tptr; 1647 struct ccb_accept_tio *atiop; 1648 uint16_t nphdl; 1649 atio_private_data_t *atp; 1650 inot_private_data_t *ntp; 1651 1652 /* 1653 * The firmware status (except for the QLTM_SVALID bit) 1654 * indicates why this ATIO was sent to us. 1655 * 1656 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 1657 */ 1658 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 1659 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status); 1660 isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0); 1661 return; 1662 } 1663 1664 fcp = FCPARAM(isp, 0); 1665 if (ISP_CAP_SCCFW(isp)) { 1666 lun = aep->at_scclun; 1667 } else { 1668 lun = aep->at_lun; 1669 } 1670 if (ISP_CAP_2KLOGIN(isp)) { 1671 nphdl = ((at2e_entry_t *)aep)->at_iid; 1672 } else { 1673 nphdl = aep->at_iid; 1674 } 1675 tptr = get_lun_statep(isp, 0, lun); 1676 if (tptr == NULL) { 1677 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 1678 if (tptr == NULL) { 1679 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun); 1680 if (lun == 0) { 1681 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1682 } else { 1683 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1684 } 1685 return; 1686 } 1687 } 1688 1689 /* 1690 * Start any commands pending resources first. 1691 */ 1692 if (isp_atio_restart(isp, 0, tptr)) 1693 goto noresrc; 1694 1695 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1696 if (atiop == NULL) { 1697 goto noresrc; 1698 } 1699 1700 atp = isp_get_atpd(isp, 0, aep->at_rxid); 1701 if (atp == NULL) { 1702 goto noresrc; 1703 } 1704 1705 atp->state = ATPD_STATE_ATIO; 1706 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1707 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1708 atiop->ccb_h.target_id = fcp->isp_loopid; 1709 atiop->ccb_h.target_lun = lun; 1710 1711 /* 1712 * We don't get 'suggested' sense data as we do with SCSI cards. 1713 */ 1714 atiop->sense_len = 0; 1715 1716 /* 1717 * If we're not in the port database, add ourselves. 1718 */ 1719 if (IS_2100(isp)) 1720 atiop->init_id = nphdl; 1721 else { 1722 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) { 1723 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp); 1724 } else { 1725 isp_prt(isp, ISP_LOGTINFO, "%s: port %x isn't in PDB", 1726 __func__, nphdl); 1727 isp_dump_portdb(isp, 0); 1728 isp_endcmd(isp, aep, NIL_HANDLE, 0, ECMD_TERMINATE, 0); 1729 return; 1730 } 1731 } 1732 atiop->cdb_len = ATIO2_CDBLEN; 1733 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 1734 atiop->ccb_h.status = CAM_CDB_RECVD; 1735 atiop->tag_id = atp->tag; 1736 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 1737 case ATIO2_TC_ATTR_SIMPLEQ: 1738 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1739 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1740 break; 1741 case ATIO2_TC_ATTR_HEADOFQ: 1742 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1743 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1744 break; 1745 case ATIO2_TC_ATTR_ORDERED: 1746 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1747 atiop->tag_action = MSG_ORDERED_Q_TAG; 1748 break; 1749 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 1750 case ATIO2_TC_ATTR_UNTAGGED: 1751 default: 1752 atiop->tag_action = 0; 1753 break; 1754 } 1755 1756 atp->orig_datalen = aep->at_datalen; 1757 atp->bytes_xfered = 0; 1758 atp->lun = lun; 1759 atp->nphdl = nphdl; 1760 atp->sid = PORT_ANY; 1761 atp->oxid = aep->at_oxid; 1762 atp->cdb0 = aep->at_cdb[0]; 1763 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 1764 atp->state = ATPD_STATE_CAM; 1765 xpt_done((union ccb *)atiop); 1766 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %jx datalen %u", aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1767 return; 1768noresrc: 1769 ntp = isp_get_ntpd(isp, 0); 1770 if (ntp == NULL) { 1771 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1772 return; 1773 } 1774 memcpy(ntp->data, aep, QENTRY_LEN); 1775 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1776} 1777 1778static void 1779isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1780{ 1781 int cdbxlen; 1782 lun_id_t lun; 1783 uint16_t chan, nphdl = NIL_HANDLE; 1784 uint32_t did, sid; 1785 fcportdb_t *lp; 1786 tstate_t *tptr; 1787 struct ccb_accept_tio *atiop; 1788 atio_private_data_t *atp = NULL; 1789 atio_private_data_t *oatp; 1790 inot_private_data_t *ntp; 1791 1792 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1793 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1794 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1795 1796 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1797 /* Channel has to be derived from D_ID */ 1798 isp_find_chan_by_did(isp, did, &chan); 1799 if (chan == ISP_NOCHAN) { 1800 isp_prt(isp, ISP_LOGWARN, 1801 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1802 __func__, aep->at_rxid, did); 1803 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1804 ECMD_TERMINATE, 0); 1805 return; 1806 } 1807 } else { 1808 chan = 0; 1809 } 1810 1811 /* 1812 * Find the PDB entry for this initiator 1813 */ 1814 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1815 /* 1816 * If we're not in the port database terminate the exchange. 1817 */ 1818 isp_prt(isp, ISP_LOGTINFO, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x wasn't in PDB already", 1819 __func__, aep->at_rxid, did, chan, sid); 1820 isp_dump_portdb(isp, chan); 1821 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1822 return; 1823 } 1824 nphdl = lp->handle; 1825 1826 /* 1827 * Get the tstate pointer 1828 */ 1829 tptr = get_lun_statep(isp, chan, lun); 1830 if (tptr == NULL) { 1831 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1832 if (tptr == NULL) { 1833 isp_prt(isp, ISP_LOGWARN, 1834 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1835 __func__, aep->at_rxid, (uintmax_t)lun); 1836 if (lun == 0) { 1837 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1838 } else { 1839 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1840 } 1841 return; 1842 } 1843 } 1844 1845 /* 1846 * Start any commands pending resources first. 1847 */ 1848 if (isp_atio_restart(isp, chan, tptr)) 1849 goto noresrc; 1850 1851 /* 1852 * If the f/w is out of resources, just send a BUSY status back. 1853 */ 1854 if (aep->at_rxid == AT7_NORESRC_RXID) { 1855 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1856 return; 1857 } 1858 1859 /* 1860 * If we're out of resources, just send a BUSY status back. 1861 */ 1862 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1863 if (atiop == NULL) { 1864 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1865 goto noresrc; 1866 } 1867 1868 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1869 if (oatp) { 1870 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] tag wraparound in isp_handle_platforms_atio7 (N-Port Handle 0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d", 1871 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1872 /* 1873 * It's not a "no resource" condition- but we can treat it like one 1874 */ 1875 goto noresrc; 1876 } 1877 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1878 if (atp == NULL) { 1879 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1880 goto noresrc; 1881 } 1882 atp->word3 = lp->prli_word3; 1883 atp->state = ATPD_STATE_ATIO; 1884 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1885 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1886 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1887 atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid; 1888 atiop->ccb_h.target_lun = lun; 1889 atiop->sense_len = 0; 1890 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1891 if (cdbxlen) { 1892 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1893 } 1894 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1895 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1896 atiop->cdb_len = cdbxlen; 1897 atiop->ccb_h.status = CAM_CDB_RECVD; 1898 atiop->tag_id = atp->tag; 1899 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1900 case FCP_CMND_TASK_ATTR_SIMPLE: 1901 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1902 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1903 break; 1904 case FCP_CMND_TASK_ATTR_HEAD: 1905 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1906 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1907 break; 1908 case FCP_CMND_TASK_ATTR_ORDERED: 1909 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1910 atiop->tag_action = MSG_ORDERED_Q_TAG; 1911 break; 1912 default: 1913 /* FALLTHROUGH */ 1914 case FCP_CMND_TASK_ATTR_ACA: 1915 case FCP_CMND_TASK_ATTR_UNTAGGED: 1916 atiop->tag_action = 0; 1917 break; 1918 } 1919 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1920 atp->bytes_xfered = 0; 1921 atp->lun = lun; 1922 atp->nphdl = nphdl; 1923 atp->sid = sid; 1924 atp->did = did; 1925 atp->oxid = aep->at_hdr.ox_id; 1926 atp->rxid = aep->at_hdr.rx_id; 1927 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1928 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1929 atp->state = ATPD_STATE_CAM; 1930 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1931 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1932 xpt_done((union ccb *)atiop); 1933 return; 1934noresrc: 1935 if (atp) 1936 isp_put_atpd(isp, chan, atp); 1937 ntp = isp_get_ntpd(isp, chan); 1938 if (ntp == NULL) { 1939 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1940 return; 1941 } 1942 memcpy(ntp->data, aep, QENTRY_LEN); 1943 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1944} 1945 1946 1947/* 1948 * Handle starting an SRR (sequence retransmit request) 1949 * We get here when we've gotten the immediate notify 1950 * and the return of all outstanding CTIOs for this 1951 * transaction. 1952 */ 1953static void 1954isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1955{ 1956 in_fcentry_24xx_t *inot; 1957 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1958 union ccb *ccb; 1959 1960 inot = (in_fcentry_24xx_t *)atp->srr; 1961 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1962 ccb = atp->srr_ccb; 1963 atp->srr_ccb = NULL; 1964 atp->nsrr++; 1965 if (ccb == NULL) { 1966 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1967 goto fail; 1968 } 1969 1970 ccb_off = ccb->ccb_h.spriv_field0; 1971 ccb_len = ccb->csio.dxfer_len; 1972 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1973 1974 switch (inot->in_srr_iu) { 1975 case R_CTL_INFO_SOLICITED_DATA: 1976 /* 1977 * We have to restart a FCP_DATA data out transaction 1978 */ 1979 atp->sendst = 0; 1980 atp->bytes_xfered = srr_off; 1981 if (ccb_len == 0) { 1982 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 1983 goto mdp; 1984 } 1985 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 1986 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x not covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end); 1987 goto mdp; 1988 } 1989 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end); 1990 break; 1991 case R_CTL_INFO_COMMAND_STATUS: 1992 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 1993 atp->sendst = 1; 1994 /* 1995 * We have to restart a FCP_RSP IU transaction 1996 */ 1997 break; 1998 case R_CTL_INFO_DATA_DESCRIPTOR: 1999 /* 2000 * We have to restart an FCP DATA in transaction 2001 */ 2002 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 2003 goto fail; 2004 2005 default: 2006 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 2007 goto fail; 2008 } 2009 2010 /* 2011 * We can't do anything until this is acked, so we might as well start it now. 2012 * We aren't going to do the usual asynchronous ack issue because we need 2013 * to make sure this gets on the wire first. 2014 */ 2015 if (isp_notify_ack(isp, inot)) { 2016 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2017 goto fail; 2018 } 2019 isp_target_start_ctio(isp, ccb, FROM_SRR); 2020 return; 2021fail: 2022 inot->in_reserved = 1; 2023 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2024 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2025 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2026 isp_complete_ctio(ccb); 2027 return; 2028mdp: 2029 if (isp_notify_ack(isp, inot)) { 2030 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2031 goto fail; 2032 } 2033 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2034 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2035 /* 2036 * This is not a strict interpretation of MDP, but it's close 2037 */ 2038 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2039 ccb->csio.msg_len = 7; 2040 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2041 ccb->csio.msg_ptr[1] = 5; 2042 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2043 ccb->csio.msg_ptr[3] = srr_off >> 24; 2044 ccb->csio.msg_ptr[4] = srr_off >> 16; 2045 ccb->csio.msg_ptr[5] = srr_off >> 8; 2046 ccb->csio.msg_ptr[6] = srr_off; 2047 isp_complete_ctio(ccb); 2048} 2049 2050 2051static void 2052isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 2053{ 2054 in_fcentry_24xx_t *inot = notify->nt_lreserved; 2055 atio_private_data_t *atp; 2056 uint32_t tag = notify->nt_tagval & 0xffffffff; 2057 2058 atp = isp_find_atpd(isp, notify->nt_channel, tag); 2059 if (atp == NULL) { 2060 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 2061 __func__, tag); 2062 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2063 return; 2064 } 2065 atp->srr_notify_rcvd = 1; 2066 memcpy(atp->srr, inot, sizeof (atp->srr)); 2067 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 2068 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 2069 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 2070 if (atp->srr_ccb) 2071 isp_handle_srr_start(isp, atp); 2072} 2073 2074static void 2075isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2076{ 2077 union ccb *ccb; 2078 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 2079 atio_private_data_t *atp = NULL; 2080 int bus; 2081 uint32_t handle, data_requested, resid; 2082 2083 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2084 ccb = isp_find_xs(isp, handle); 2085 if (ccb == NULL) { 2086 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2087 return; 2088 } 2089 isp_destroy_handle(isp, handle); 2090 resid = data_requested = PISP_PCMD(ccb)->datalen; 2091 isp_free_pcmd(isp, ccb); 2092 2093 bus = XS_CHANNEL(ccb); 2094 if (IS_24XX(isp)) { 2095 atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid); 2096 } else { 2097 atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid); 2098 } 2099 if (atp == NULL) { 2100 /* 2101 * XXX: isp_clear_commands() generates fake CTIO with zero 2102 * ct_rxid value, filling only ct_syshandle. Workaround 2103 * that using tag_id from the CCB, pointed by ct_syshandle. 2104 */ 2105 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 2106 } 2107 if (atp == NULL) { 2108 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2109 return; 2110 } 2111 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2112 atp->bytes_in_transit -= data_requested; 2113 atp->ctcnt -= 1; 2114 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2115 2116 if (IS_24XX(isp)) { 2117 ct7_entry_t *ct = arg; 2118 2119 if (ct->ct_nphdl == CT7_SRR) { 2120 atp->srr_ccb = ccb; 2121 if (atp->srr_notify_rcvd) 2122 isp_handle_srr_start(isp, atp); 2123 return; 2124 } 2125 if (ct->ct_nphdl == CT_HBA_RESET) { 2126 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2127 (atp->sendst == 0); 2128 failure = CAM_UNREC_HBA_ERROR; 2129 } else { 2130 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 2131 ok = (ct->ct_nphdl == CT7_OK); 2132 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2133 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 2134 resid = ct->ct_resid; 2135 } 2136 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO7[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct), 2137 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2138 } else { 2139 ct2_entry_t *ct = arg; 2140 if (ct->ct_status == CT_SRR) { 2141 atp->srr_ccb = ccb; 2142 if (atp->srr_notify_rcvd) 2143 isp_handle_srr_start(isp, atp); 2144 isp_target_putback_atio(ccb); 2145 return; 2146 } 2147 if (ct->ct_status == CT_HBA_RESET) { 2148 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2149 (atp->sendst == 0); 2150 failure = CAM_UNREC_HBA_ERROR; 2151 } else { 2152 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 2153 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 2154 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2155 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) 2156 resid = ct->ct_resid; 2157 } 2158 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO2[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct), 2159 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2160 } 2161 if (ok) { 2162 if (data_requested > 0) { 2163 atp->bytes_xfered += data_requested - resid; 2164 ccb->csio.resid = ccb->csio.dxfer_len - 2165 (data_requested - resid); 2166 } 2167 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 2168 ccb->ccb_h.status |= CAM_SENT_SENSE; 2169 ccb->ccb_h.status |= CAM_REQ_CMP; 2170 } else { 2171 notify_cam = 1; 2172 if (failure == CAM_UNREC_HBA_ERROR) 2173 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 2174 else 2175 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2176 } 2177 atp->state = ATPD_STATE_PDON; 2178 2179 /* 2180 * We never *not* notify CAM when there has been any error (ok == 0), 2181 * so we never need to do an ATIO putback if we're not notifying CAM. 2182 */ 2183 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 2184 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 2185 if (notify_cam == 0) { 2186 if (atp->sendst) { 2187 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 2188 } 2189 return; 2190 } 2191 2192 /* 2193 * We are done with this ATIO if we successfully sent status. 2194 * In all other cases expect either another CTIO or XPT_ABORT. 2195 */ 2196 if (ok && sentstatus) 2197 isp_put_atpd(isp, bus, atp); 2198 2199 /* 2200 * We're telling CAM we're done with this CTIO transaction. 2201 * 2202 * 24XX cards never need an ATIO put back. 2203 * 2204 * Other cards need one put back only on error. 2205 * In the latter case, a timeout will re-fire 2206 * and try again in case we didn't have 2207 * queue resources to do so at first. In any case, 2208 * once the putback is done we do the completion 2209 * call. 2210 */ 2211 if (ok || IS_24XX(isp)) { 2212 isp_complete_ctio(ccb); 2213 } else { 2214 isp_target_putback_atio(ccb); 2215 } 2216} 2217 2218static int 2219isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 2220{ 2221 2222 if (isp->isp_state != ISP_RUNSTATE) { 2223 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 2224 return (0); 2225 } 2226 2227 /* 2228 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 2229 */ 2230 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 2231 ct7_entry_t local, *cto = &local; 2232 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 2233 fcportdb_t *lp; 2234 uint32_t sid; 2235 uint16_t nphdl; 2236 2237 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2238 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 2239 nphdl = lp->handle; 2240 } else { 2241 nphdl = NIL_HANDLE; 2242 } 2243 ISP_MEMZERO(&local, sizeof (local)); 2244 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2245 cto->ct_header.rqs_entry_count = 1; 2246 cto->ct_nphdl = nphdl; 2247 cto->ct_rxid = aep->at_rxid; 2248 cto->ct_vpidx = mp->nt_channel; 2249 cto->ct_iid_lo = sid; 2250 cto->ct_iid_hi = sid >> 16; 2251 cto->ct_oxid = aep->at_hdr.ox_id; 2252 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 2253 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 2254 if (rsp != 0) { 2255 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 2256 cto->rsp.m1.ct_resplen = 4; 2257 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 2258 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 2259 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 2260 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 2261 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 2262 } 2263 return (isp_target_put_entry(isp, &local)); 2264 } 2265 2266 /* 2267 * This case is for a responding to an ABTS frame 2268 */ 2269 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2270 2271 /* 2272 * Overload nt_need_ack here to mark whether we've terminated the associated command. 2273 */ 2274 if (mp->nt_need_ack) { 2275 uint8_t storage[QENTRY_LEN]; 2276 ct7_entry_t *cto = (ct7_entry_t *) storage; 2277 abts_t *abts = (abts_t *)mp->nt_lreserved; 2278 2279 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2280 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 2281 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2282 cto->ct_header.rqs_entry_count = 1; 2283 cto->ct_nphdl = mp->nt_nphdl; 2284 cto->ct_rxid = abts->abts_rxid_task; 2285 cto->ct_iid_lo = mp->nt_sid; 2286 cto->ct_iid_hi = mp->nt_sid >> 16; 2287 cto->ct_oxid = abts->abts_ox_id; 2288 cto->ct_vpidx = mp->nt_channel; 2289 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2290 if (isp_target_put_entry(isp, cto)) { 2291 return (ENOMEM); 2292 } 2293 mp->nt_need_ack = 0; 2294 } 2295 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 2296 return (ENOMEM); 2297 } else { 2298 return (0); 2299 } 2300 } 2301 2302 /* 2303 * Handle logout cases here 2304 */ 2305 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 2306 isp_del_all_wwn_entries(isp, mp->nt_channel); 2307 } 2308 2309 if (mp->nt_ncode == NT_LOGOUT) { 2310 if (!IS_2100(isp) && IS_FC(isp)) { 2311 isp_del_wwn_entries(isp, mp); 2312 } 2313 } 2314 2315 /* 2316 * General purpose acknowledgement 2317 */ 2318 if (mp->nt_need_ack) { 2319 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 2320 /* 2321 * Don't need to use the guaranteed send because the caller can retry 2322 */ 2323 return (isp_notify_ack(isp, mp->nt_lreserved)); 2324 } 2325 return (0); 2326} 2327 2328/* 2329 * Handle task management functions. 2330 * 2331 * We show up here with a notify structure filled out. 2332 * 2333 * The nt_lreserved tag points to the original queue entry 2334 */ 2335static void 2336isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 2337{ 2338 tstate_t *tptr; 2339 fcportdb_t *lp; 2340 struct ccb_immediate_notify *inot; 2341 inot_private_data_t *ntp = NULL; 2342 atio_private_data_t *atp; 2343 lun_id_t lun; 2344 2345 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode, 2346 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 2347 if (notify->nt_lun == LUN_ANY) { 2348 if (notify->nt_tagval == TAG_ANY) { 2349 lun = CAM_LUN_WILDCARD; 2350 } else { 2351 atp = isp_find_atpd(isp, notify->nt_channel, 2352 notify->nt_tagval & 0xffffffff); 2353 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 2354 } 2355 } else { 2356 lun = notify->nt_lun; 2357 } 2358 tptr = get_lun_statep(isp, notify->nt_channel, lun); 2359 if (tptr == NULL) { 2360 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 2361 if (tptr == NULL) { 2362 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 2363 goto bad; 2364 } 2365 } 2366 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 2367 if (inot == NULL) { 2368 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 2369 goto bad; 2370 } 2371 2372 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 2373 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 2374 inot->initiator_id = CAM_TARGET_WILDCARD; 2375 } else { 2376 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 2377 } 2378 inot->seq_id = notify->nt_tagval; 2379 inot->tag_id = notify->nt_tagval >> 32; 2380 2381 switch (notify->nt_ncode) { 2382 case NT_ABORT_TASK: 2383 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 2384 inot->arg = MSG_ABORT_TASK; 2385 break; 2386 case NT_ABORT_TASK_SET: 2387 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 2388 inot->arg = MSG_ABORT_TASK_SET; 2389 break; 2390 case NT_CLEAR_ACA: 2391 inot->arg = MSG_CLEAR_ACA; 2392 break; 2393 case NT_CLEAR_TASK_SET: 2394 inot->arg = MSG_CLEAR_TASK_SET; 2395 break; 2396 case NT_LUN_RESET: 2397 inot->arg = MSG_LOGICAL_UNIT_RESET; 2398 break; 2399 case NT_TARGET_RESET: 2400 inot->arg = MSG_TARGET_RESET; 2401 break; 2402 case NT_QUERY_TASK_SET: 2403 inot->arg = MSG_QUERY_TASK_SET; 2404 break; 2405 case NT_QUERY_ASYNC_EVENT: 2406 inot->arg = MSG_QUERY_ASYNC_EVENT; 2407 break; 2408 default: 2409 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); 2410 goto bad; 2411 } 2412 2413 ntp = isp_get_ntpd(isp, notify->nt_channel); 2414 if (ntp == NULL) { 2415 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 2416 goto bad; 2417 } 2418 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 2419 if (notify->nt_lreserved) { 2420 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 2421 ntp->nt.nt_lreserved = &ntp->data; 2422 } 2423 ntp->seq_id = notify->nt_tagval; 2424 ntp->tag_id = notify->nt_tagval >> 32; 2425 2426 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 2427 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 2428 inot->ccb_h.status = CAM_MESSAGE_RECV; 2429 xpt_done((union ccb *)inot); 2430 return; 2431bad: 2432 if (notify->nt_need_ack) { 2433 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2434 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 2435 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 2436 } 2437 } else { 2438 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 2439 } 2440 } 2441} 2442 2443static void 2444isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 2445{ 2446 atio_private_data_t *atp, *atpool; 2447 inot_private_data_t *ntp, *tmp; 2448 uint32_t this_tag_id; 2449 2450 /* 2451 * First, clean any commands pending restart 2452 */ 2453 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 2454 if (IS_24XX(isp)) 2455 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 2456 else 2457 this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid; 2458 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 2459 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 2460 ECMD_TERMINATE, 0); 2461 isp_put_ntpd(isp, chan, ntp); 2462 STAILQ_REMOVE(&tptr->restart_queue, ntp, 2463 inot_private_data, next); 2464 } 2465 } 2466 2467 /* 2468 * Now mark other ones dead as well. 2469 */ 2470 ISP_GET_PC(isp, chan, atpool, atpool); 2471 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 2472 if (atp->lun != tptr->ts_lun) 2473 continue; 2474 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 2475 atp->dead = 1; 2476 } 2477} 2478#endif 2479 2480static void 2481isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 2482{ 2483 struct cam_sim *sim; 2484 int bus, tgt; 2485 ispsoftc_t *isp; 2486 2487 sim = (struct cam_sim *)cbarg; 2488 isp = (ispsoftc_t *) cam_sim_softc(sim); 2489 bus = cam_sim_bus(sim); 2490 tgt = xpt_path_target_id(path); 2491 2492 switch (code) { 2493 case AC_LOST_DEVICE: 2494 if (IS_SCSI(isp)) { 2495 uint16_t oflags, nflags; 2496 sdparam *sdp = SDPARAM(isp, bus); 2497 2498 if (tgt >= 0) { 2499 nflags = sdp->isp_devparam[tgt].nvrm_flags; 2500 nflags &= DPARM_SAFE_DFLT; 2501 if (isp->isp_loaded_fw) { 2502 nflags |= DPARM_NARROW | DPARM_ASYNC; 2503 } 2504 oflags = sdp->isp_devparam[tgt].goal_flags; 2505 sdp->isp_devparam[tgt].goal_flags = nflags; 2506 sdp->isp_devparam[tgt].dev_update = 1; 2507 sdp->update = 1; 2508 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 2509 sdp->isp_devparam[tgt].goal_flags = oflags; 2510 } 2511 } 2512 break; 2513 default: 2514 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 2515 break; 2516 } 2517} 2518 2519static void 2520isp_poll(struct cam_sim *sim) 2521{ 2522 ispsoftc_t *isp = cam_sim_softc(sim); 2523 2524 ISP_RUN_ISR(isp); 2525} 2526 2527 2528static void 2529isp_watchdog(void *arg) 2530{ 2531 struct ccb_scsiio *xs = arg; 2532 ispsoftc_t *isp; 2533 uint32_t ohandle = ISP_HANDLE_FREE, handle; 2534 2535 isp = XS_ISP(xs); 2536 2537 handle = isp_find_handle(isp, xs); 2538 2539 /* 2540 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 2541 */ 2542 if (handle != ISP_HANDLE_FREE) { 2543 ISP_RUN_ISR(isp); 2544 ohandle = handle; 2545 handle = isp_find_handle(isp, xs); 2546 } 2547 if (handle != ISP_HANDLE_FREE) { 2548 /* 2549 * Try and make sure the command is really dead before 2550 * we release the handle (and DMA resources) for reuse. 2551 * 2552 * If we are successful in aborting the command then 2553 * we're done here because we'll get the command returned 2554 * back separately. 2555 */ 2556 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2557 return; 2558 } 2559 2560 /* 2561 * Note that after calling the above, the command may in 2562 * fact have been completed. 2563 */ 2564 xs = isp_find_xs(isp, handle); 2565 2566 /* 2567 * If the command no longer exists, then we won't 2568 * be able to find the xs again with this handle. 2569 */ 2570 if (xs == NULL) { 2571 return; 2572 } 2573 2574 /* 2575 * After this point, the command is really dead. 2576 */ 2577 if (XS_XFRLEN(xs)) { 2578 ISP_DMAFREE(isp, xs, handle); 2579 } 2580 isp_destroy_handle(isp, handle); 2581 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 2582 xs->ccb_h.status &= ~CAM_STATUS_MASK; 2583 xs->ccb_h.status |= CAM_CMD_TIMEOUT; 2584 isp_prt_endcmd(isp, xs); 2585 isp_done(xs); 2586 } else { 2587 if (ohandle != ISP_HANDLE_FREE) { 2588 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 2589 } else { 2590 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 2591 } 2592 } 2593} 2594 2595static void 2596isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2597{ 2598 union ccb *ccb; 2599 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2600 2601 /* 2602 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2603 */ 2604 ccb = xpt_alloc_ccb_nowait(); 2605 if (ccb == NULL) { 2606 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2607 return; 2608 } 2609 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2610 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2611 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2612 xpt_free_ccb(ccb); 2613 return; 2614 } 2615 xpt_rescan(ccb); 2616} 2617 2618static void 2619isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2620{ 2621 struct cam_path *tp; 2622 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2623 2624 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2625 xpt_async(AC_LOST_DEVICE, tp, NULL); 2626 xpt_free_path(tp); 2627 } 2628} 2629 2630/* 2631 * Gone Device Timer Function- when we have decided that a device has gone 2632 * away, we wait a specific period of time prior to telling the OS it has 2633 * gone away. 2634 * 2635 * This timer function fires once a second and then scans the port database 2636 * for devices that are marked dead but still have a virtual target assigned. 2637 * We decrement a counter for that port database entry, and when it hits zero, 2638 * we tell the OS the device has gone away. 2639 */ 2640static void 2641isp_gdt(void *arg) 2642{ 2643 struct isp_fc *fc = arg; 2644 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2645} 2646 2647static void 2648isp_gdt_task(void *arg, int pending) 2649{ 2650 struct isp_fc *fc = arg; 2651 ispsoftc_t *isp = fc->isp; 2652 int chan = fc - isp->isp_osinfo.pc.fc; 2653 fcportdb_t *lp; 2654 struct ac_contract ac; 2655 struct ac_device_changed *adc; 2656 int dbidx, more_to_do = 0; 2657 2658 ISP_LOCK(isp); 2659 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2660 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2661 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2662 2663 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2664 continue; 2665 } 2666 if (lp->gone_timer != 0) { 2667 lp->gone_timer -= 1; 2668 more_to_do++; 2669 continue; 2670 } 2671 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2672 if (lp->is_target) { 2673 lp->is_target = 0; 2674 isp_make_gone(isp, lp, chan, dbidx); 2675 } 2676 if (lp->is_initiator) { 2677 lp->is_initiator = 0; 2678 ac.contract_number = AC_CONTRACT_DEV_CHG; 2679 adc = (struct ac_device_changed *) ac.contract_data; 2680 adc->wwpn = lp->port_wwn; 2681 adc->port = lp->portid; 2682 adc->target = dbidx; 2683 adc->arrived = 0; 2684 xpt_async(AC_CONTRACT, fc->path, &ac); 2685 } 2686 lp->state = FC_PORTDB_STATE_NIL; 2687 } 2688 if (fc->ready) { 2689 if (more_to_do) { 2690 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2691 } else { 2692 callout_deactivate(&fc->gdt); 2693 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2694 } 2695 } 2696 ISP_UNLOCK(isp); 2697} 2698 2699/* 2700 * When loop goes down we remember the time and freeze CAM command queue. 2701 * During some time period we are trying to reprobe the loop. But if we 2702 * fail, we tell the OS that devices have gone away and drop the freeze. 2703 * 2704 * We don't clear the devices out of our port database because, when loop 2705 * come back up, we have to do some actual cleanup with the chip at that 2706 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2707 */ 2708static void 2709isp_loop_changed(ispsoftc_t *isp, int chan) 2710{ 2711 fcparam *fcp = FCPARAM(isp, chan); 2712 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2713 2714 if (fc->loop_down_time) 2715 return; 2716 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2717 if (fcp->role & ISP_ROLE_INITIATOR) 2718 isp_freeze_loopdown(isp, chan); 2719 fc->loop_down_time = time_uptime; 2720 wakeup(fc); 2721} 2722 2723static void 2724isp_loop_up(ispsoftc_t *isp, int chan) 2725{ 2726 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2727 2728 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2729 fc->loop_seen_once = 1; 2730 fc->loop_down_time = 0; 2731 isp_unfreeze_loopdown(isp, chan); 2732} 2733 2734static void 2735isp_loop_dead(ispsoftc_t *isp, int chan) 2736{ 2737 fcparam *fcp = FCPARAM(isp, chan); 2738 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2739 fcportdb_t *lp; 2740 struct ac_contract ac; 2741 struct ac_device_changed *adc; 2742 int dbidx, i; 2743 2744 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2745 2746 /* 2747 * Notify to the OS all targets who we now consider have departed. 2748 */ 2749 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2750 lp = &fcp->portdb[dbidx]; 2751 2752 if (lp->state == FC_PORTDB_STATE_NIL) 2753 continue; 2754 2755 /* 2756 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 2757 */ 2758 for (i = 0; i < isp->isp_maxcmds; i++) { 2759 struct ccb_scsiio *xs; 2760 2761 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2762 continue; 2763 } 2764 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2765 continue; 2766 } 2767 if (dbidx != XS_TGT(xs)) { 2768 continue; 2769 } 2770 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2771 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2772 (uintmax_t)XS_LUN(xs)); 2773 } 2774 2775 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2776 if (lp->is_target) { 2777 lp->is_target = 0; 2778 isp_make_gone(isp, lp, chan, dbidx); 2779 } 2780 if (lp->is_initiator) { 2781 lp->is_initiator = 0; 2782 ac.contract_number = AC_CONTRACT_DEV_CHG; 2783 adc = (struct ac_device_changed *) ac.contract_data; 2784 adc->wwpn = lp->port_wwn; 2785 adc->port = lp->portid; 2786 adc->target = dbidx; 2787 adc->arrived = 0; 2788 xpt_async(AC_CONTRACT, fc->path, &ac); 2789 } 2790 } 2791 2792 isp_unfreeze_loopdown(isp, chan); 2793 fc->loop_down_time = 0; 2794} 2795 2796static void 2797isp_kthread(void *arg) 2798{ 2799 struct isp_fc *fc = arg; 2800 ispsoftc_t *isp = fc->isp; 2801 int chan = fc - isp->isp_osinfo.pc.fc; 2802 int slp = 0, d; 2803 int lb, lim; 2804 2805 ISP_LOCK(isp); 2806 while (isp->isp_osinfo.is_exiting == 0) { 2807 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2808 "Chan %d Checking FC state", chan); 2809 lb = isp_fc_runstate(isp, chan, 250000); 2810 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2811 "Chan %d FC got to %s state", chan, 2812 isp_fc_loop_statename(lb)); 2813 2814 /* 2815 * Our action is different based upon whether we're supporting 2816 * Initiator mode or not. If we are, we might freeze the simq 2817 * when loop is down and set all sorts of different delays to 2818 * check again. 2819 * 2820 * If not, we simply just wait for loop to come up. 2821 */ 2822 if (lb == LOOP_READY || lb < 0) { 2823 slp = 0; 2824 } else { 2825 /* 2826 * If we've never seen loop up and we've waited longer 2827 * than quickboot time, or we've seen loop up but we've 2828 * waited longer than loop_down_limit, give up and go 2829 * to sleep until loop comes up. 2830 */ 2831 if (fc->loop_seen_once == 0) 2832 lim = isp_quickboot_time; 2833 else 2834 lim = fc->loop_down_limit; 2835 d = time_uptime - fc->loop_down_time; 2836 if (d >= lim) 2837 slp = 0; 2838 else if (d < 10) 2839 slp = 1; 2840 else if (d < 30) 2841 slp = 5; 2842 else if (d < 60) 2843 slp = 10; 2844 else if (d < 120) 2845 slp = 20; 2846 else 2847 slp = 30; 2848 } 2849 2850 if (slp == 0) { 2851 if (lb == LOOP_READY) 2852 isp_loop_up(isp, chan); 2853 else 2854 isp_loop_dead(isp, chan); 2855 } 2856 2857 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2858 "Chan %d sleep for %d seconds", chan, slp); 2859 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2860 } 2861 fc->num_threads -= 1; 2862 ISP_UNLOCK(isp); 2863 kthread_exit(); 2864} 2865 2866#ifdef ISP_TARGET_MODE 2867static void 2868isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2869{ 2870 atio_private_data_t *atp; 2871 union ccb *accb = ccb->cab.abort_ccb; 2872 struct ccb_hdr *sccb; 2873 tstate_t *tptr; 2874 2875 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2876 if (tptr != NULL) { 2877 /* Search for the ATIO among queueued. */ 2878 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2879 if (sccb != &accb->ccb_h) 2880 continue; 2881 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2882 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2883 "Abort FREE ATIO\n"); 2884 accb->ccb_h.status = CAM_REQ_ABORTED; 2885 xpt_done(accb); 2886 ccb->ccb_h.status = CAM_REQ_CMP; 2887 return; 2888 } 2889 } 2890 2891 /* Search for the ATIO among running. */ 2892 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2893 if (atp != NULL) { 2894 /* Send TERMINATE to firmware. */ 2895 if (!atp->dead && IS_24XX(isp)) { 2896 uint8_t storage[QENTRY_LEN]; 2897 ct7_entry_t *cto = (ct7_entry_t *) storage; 2898 2899 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2900 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2901 cto->ct_header.rqs_entry_count = 1; 2902 cto->ct_nphdl = atp->nphdl; 2903 cto->ct_rxid = atp->tag; 2904 cto->ct_iid_lo = atp->sid; 2905 cto->ct_iid_hi = atp->sid >> 16; 2906 cto->ct_oxid = atp->oxid; 2907 cto->ct_vpidx = XS_CHANNEL(accb); 2908 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2909 isp_target_put_entry(isp, cto); 2910 } 2911 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2912 ccb->ccb_h.status = CAM_REQ_CMP; 2913 } else { 2914 ccb->ccb_h.status = CAM_UA_ABORT; 2915 } 2916} 2917 2918static void 2919isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2920{ 2921 inot_private_data_t *ntp; 2922 union ccb *accb = ccb->cab.abort_ccb; 2923 struct ccb_hdr *sccb; 2924 tstate_t *tptr; 2925 2926 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2927 if (tptr != NULL) { 2928 /* Search for the INOT among queueued. */ 2929 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2930 if (sccb != &accb->ccb_h) 2931 continue; 2932 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2933 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2934 "Abort FREE INOT\n"); 2935 accb->ccb_h.status = CAM_REQ_ABORTED; 2936 xpt_done(accb); 2937 ccb->ccb_h.status = CAM_REQ_CMP; 2938 return; 2939 } 2940 } 2941 2942 /* Search for the INOT among running. */ 2943 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2944 if (ntp != NULL) { 2945 if (ntp->nt.nt_need_ack) { 2946 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2947 ntp->nt.nt_lreserved); 2948 } 2949 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2950 ccb->ccb_h.status = CAM_REQ_CMP; 2951 } else { 2952 ccb->ccb_h.status = CAM_UA_ABORT; 2953 return; 2954 } 2955} 2956#endif 2957 2958static void 2959isp_action(struct cam_sim *sim, union ccb *ccb) 2960{ 2961 int bus, tgt, error; 2962 ispsoftc_t *isp; 2963 struct ccb_trans_settings *cts; 2964 sbintime_t ts; 2965 2966 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2967 2968 isp = (ispsoftc_t *)cam_sim_softc(sim); 2969 ISP_ASSERT_LOCKED(isp); 2970 bus = cam_sim_bus(sim); 2971 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2972 ISP_PCMD(ccb) = NULL; 2973 2974 switch (ccb->ccb_h.func_code) { 2975 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2976 /* 2977 * Do a couple of preliminary checks... 2978 */ 2979 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2980 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2981 ccb->ccb_h.status = CAM_REQ_INVALID; 2982 isp_done((struct ccb_scsiio *) ccb); 2983 break; 2984 } 2985 } 2986 ccb->csio.req_map = NULL; 2987#ifdef DIAGNOSTIC 2988 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 2989 xpt_print(ccb->ccb_h.path, "invalid target\n"); 2990 ccb->ccb_h.status = CAM_PATH_INVALID; 2991 } else if (ISP_MAX_LUNS(isp) > 0 && 2992 ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) { 2993 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 2994 ccb->ccb_h.status = CAM_PATH_INVALID; 2995 } 2996 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 2997 xpt_done(ccb); 2998 break; 2999 } 3000#endif 3001 ccb->csio.scsi_status = SCSI_STATUS_OK; 3002 if (isp_get_pcmd(isp, ccb)) { 3003 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 3004 cam_freeze_devq(ccb->ccb_h.path); 3005 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 3006 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3007 xpt_done(ccb); 3008 break; 3009 } 3010 error = isp_start((XS_T *) ccb); 3011 switch (error) { 3012 case CMD_QUEUED: 3013 ccb->ccb_h.status |= CAM_SIM_QUEUED; 3014 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 3015 break; 3016 /* Give firmware extra 10s to handle timeout. */ 3017 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 3018 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 3019 isp_watchdog, ccb, 0); 3020 break; 3021 case CMD_RQLATER: 3022 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 3023 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 3024 cam_freeze_devq(ccb->ccb_h.path); 3025 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3026 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3027 isp_free_pcmd(isp, ccb); 3028 xpt_done(ccb); 3029 break; 3030 case CMD_EAGAIN: 3031 isp_free_pcmd(isp, ccb); 3032 cam_freeze_devq(ccb->ccb_h.path); 3033 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 3034 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3035 xpt_done(ccb); 3036 break; 3037 case CMD_COMPLETE: 3038 isp_done((struct ccb_scsiio *) ccb); 3039 break; 3040 default: 3041 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 3042 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3043 isp_free_pcmd(isp, ccb); 3044 xpt_done(ccb); 3045 } 3046 break; 3047 3048#ifdef ISP_TARGET_MODE 3049 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 3050 if (ccb->cel.enable) { 3051 isp_enable_lun(isp, ccb); 3052 } else { 3053 isp_disable_lun(isp, ccb); 3054 } 3055 break; 3056 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 3057 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3058 { 3059 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 3060 if (tptr == NULL) { 3061 const char *str; 3062 3063 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 3064 str = "XPT_IMMEDIATE_NOTIFY"; 3065 else 3066 str = "XPT_ACCEPT_TARGET_IO"; 3067 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 3068 "%s: no state pointer found for %s\n", 3069 __func__, str); 3070 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3071 xpt_done(ccb); 3072 break; 3073 } 3074 ccb->ccb_h.spriv_field0 = 0; 3075 ccb->ccb_h.spriv_ptr1 = isp; 3076 3077 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3078 ccb->atio.tag_id = 0; 3079 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 3080 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3081 "Put FREE ATIO\n"); 3082 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 3083 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 3084 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 3085 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3086 "Put FREE INOT\n"); 3087 } 3088 ccb->ccb_h.status = CAM_REQ_INPROG; 3089 break; 3090 } 3091 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 3092 { 3093 inot_private_data_t *ntp; 3094 3095 /* 3096 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 3097 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 3098 */ 3099 /* 3100 * All the relevant path information is in the associated immediate notify 3101 */ 3102 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); 3103 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 3104 if (ntp == NULL) { 3105 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__, 3106 ccb->cna2.tag_id, ccb->cna2.seq_id); 3107 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3108 xpt_done(ccb); 3109 break; 3110 } 3111 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 3112 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 3113 cam_freeze_devq(ccb->ccb_h.path); 3114 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3115 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 3116 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 3117 break; 3118 } 3119 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 3120 ccb->ccb_h.status = CAM_REQ_CMP; 3121 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); 3122 xpt_done(ccb); 3123 break; 3124 } 3125 case XPT_CONT_TARGET_IO: 3126 isp_target_start_ctio(isp, ccb, FROM_CAM); 3127 break; 3128#endif 3129 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 3130 tgt = ccb->ccb_h.target_id; 3131 tgt |= (bus << 16); 3132 3133 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 3134 if (error) { 3135 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3136 } else { 3137 /* 3138 * If we have a FC device, reset the Command 3139 * Reference Number, because the target will expect 3140 * that we re-start the CRN at 1 after a reset. 3141 */ 3142 if (IS_FC(isp)) 3143 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3144 3145 ccb->ccb_h.status = CAM_REQ_CMP; 3146 } 3147 xpt_done(ccb); 3148 break; 3149 case XPT_ABORT: /* Abort the specified CCB */ 3150 { 3151 union ccb *accb = ccb->cab.abort_ccb; 3152 switch (accb->ccb_h.func_code) { 3153#ifdef ISP_TARGET_MODE 3154 case XPT_ACCEPT_TARGET_IO: 3155 isp_abort_atio(isp, ccb); 3156 break; 3157 case XPT_IMMEDIATE_NOTIFY: 3158 isp_abort_inot(isp, ccb); 3159 break; 3160#endif 3161 case XPT_SCSI_IO: 3162 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 3163 if (error) { 3164 ccb->ccb_h.status = CAM_UA_ABORT; 3165 } else { 3166 ccb->ccb_h.status = CAM_REQ_CMP; 3167 } 3168 break; 3169 default: 3170 ccb->ccb_h.status = CAM_REQ_INVALID; 3171 break; 3172 } 3173 /* 3174 * This is not a queued CCB, so the caller expects it to be 3175 * complete when control is returned. 3176 */ 3177 break; 3178 } 3179#define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 3180 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3181 cts = &ccb->cts; 3182 if (!IS_CURRENT_SETTINGS(cts)) { 3183 ccb->ccb_h.status = CAM_REQ_INVALID; 3184 xpt_done(ccb); 3185 break; 3186 } 3187 tgt = cts->ccb_h.target_id; 3188 if (IS_SCSI(isp)) { 3189 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3190 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3191 sdparam *sdp = SDPARAM(isp, bus); 3192 uint16_t *dptr; 3193 3194 if (spi->valid == 0 && scsi->valid == 0) { 3195 ccb->ccb_h.status = CAM_REQ_CMP; 3196 xpt_done(ccb); 3197 break; 3198 } 3199 3200 /* 3201 * We always update (internally) from goal_flags 3202 * so any request to change settings just gets 3203 * vectored to that location. 3204 */ 3205 dptr = &sdp->isp_devparam[tgt].goal_flags; 3206 3207 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3208 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 3209 *dptr |= DPARM_DISC; 3210 else 3211 *dptr &= ~DPARM_DISC; 3212 } 3213 3214 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3215 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 3216 *dptr |= DPARM_TQING; 3217 else 3218 *dptr &= ~DPARM_TQING; 3219 } 3220 3221 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3222 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 3223 *dptr |= DPARM_WIDE; 3224 else 3225 *dptr &= ~DPARM_WIDE; 3226 } 3227 3228 /* 3229 * XXX: FIX ME 3230 */ 3231 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 3232 *dptr |= DPARM_SYNC; 3233 /* 3234 * XXX: CHECK FOR LEGALITY 3235 */ 3236 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 3237 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 3238 } else { 3239 *dptr &= ~DPARM_SYNC; 3240 } 3241 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, 3242 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 3243 sdp->isp_devparam[tgt].dev_update = 1; 3244 sdp->update = 1; 3245 } 3246 ccb->ccb_h.status = CAM_REQ_CMP; 3247 xpt_done(ccb); 3248 break; 3249 case XPT_GET_TRAN_SETTINGS: 3250 cts = &ccb->cts; 3251 tgt = cts->ccb_h.target_id; 3252 if (IS_FC(isp)) { 3253 fcparam *fcp = FCPARAM(isp, bus); 3254 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3255 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 3256 3257 cts->protocol = PROTO_SCSI; 3258 cts->protocol_version = SCSI_REV_2; 3259 cts->transport = XPORT_FC; 3260 cts->transport_version = 0; 3261 3262 scsi->valid = CTS_SCSI_VALID_TQ; 3263 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3264 fc->valid = CTS_FC_VALID_SPEED; 3265 fc->bitrate = 100000; 3266 fc->bitrate *= fcp->isp_gbspeed; 3267 if (tgt < MAX_FC_TARG) { 3268 fcportdb_t *lp = &fcp->portdb[tgt]; 3269 fc->wwnn = lp->node_wwn; 3270 fc->wwpn = lp->port_wwn; 3271 fc->port = lp->portid; 3272 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 3273 } 3274 } else { 3275 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3276 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3277 sdparam *sdp = SDPARAM(isp, bus); 3278 uint16_t dval, pval, oval; 3279 3280 if (IS_CURRENT_SETTINGS(cts)) { 3281 sdp->isp_devparam[tgt].dev_refresh = 1; 3282 sdp->update = 1; 3283 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 3284 dval = sdp->isp_devparam[tgt].actv_flags; 3285 oval = sdp->isp_devparam[tgt].actv_offset; 3286 pval = sdp->isp_devparam[tgt].actv_period; 3287 } else { 3288 dval = sdp->isp_devparam[tgt].nvrm_flags; 3289 oval = sdp->isp_devparam[tgt].nvrm_offset; 3290 pval = sdp->isp_devparam[tgt].nvrm_period; 3291 } 3292 3293 cts->protocol = PROTO_SCSI; 3294 cts->protocol_version = SCSI_REV_2; 3295 cts->transport = XPORT_SPI; 3296 cts->transport_version = 2; 3297 3298 spi->valid = 0; 3299 scsi->valid = 0; 3300 spi->flags = 0; 3301 scsi->flags = 0; 3302 if (dval & DPARM_DISC) { 3303 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3304 } 3305 if ((dval & DPARM_SYNC) && oval && pval) { 3306 spi->sync_offset = oval; 3307 spi->sync_period = pval; 3308 } else { 3309 spi->sync_offset = 0; 3310 spi->sync_period = 0; 3311 } 3312 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3313 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3314 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3315 if (dval & DPARM_WIDE) { 3316 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3317 } else { 3318 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3319 } 3320 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3321 scsi->valid = CTS_SCSI_VALID_TQ; 3322 if (dval & DPARM_TQING) { 3323 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3324 } 3325 spi->valid |= CTS_SPI_VALID_DISC; 3326 } 3327 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 3328 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval); 3329 } 3330 ccb->ccb_h.status = CAM_REQ_CMP; 3331 xpt_done(ccb); 3332 break; 3333 3334 case XPT_CALC_GEOMETRY: 3335 cam_calc_geometry(&ccb->ccg, 1); 3336 xpt_done(ccb); 3337 break; 3338 3339 case XPT_RESET_BUS: /* Reset the specified bus */ 3340 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 3341 if (error) { 3342 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3343 xpt_done(ccb); 3344 break; 3345 } 3346 if (bootverbose) { 3347 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 3348 } 3349 if (IS_FC(isp)) { 3350 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 3351 } else { 3352 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 3353 } 3354 ccb->ccb_h.status = CAM_REQ_CMP; 3355 xpt_done(ccb); 3356 break; 3357 3358 case XPT_TERM_IO: /* Terminate the I/O process */ 3359 ccb->ccb_h.status = CAM_REQ_INVALID; 3360 xpt_done(ccb); 3361 break; 3362 3363 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 3364 { 3365 struct ccb_sim_knob *kp = &ccb->knob; 3366 fcparam *fcp; 3367 3368 if (!IS_FC(isp)) { 3369 ccb->ccb_h.status = CAM_REQ_INVALID; 3370 xpt_done(ccb); 3371 break; 3372 } 3373 3374 fcp = FCPARAM(isp, bus); 3375 3376 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 3377 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 3378 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 3379 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 3380 } 3381 ccb->ccb_h.status = CAM_REQ_CMP; 3382 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 3383 int rchange = 0; 3384 int newrole = 0; 3385 3386 switch (kp->xport_specific.fc.role) { 3387 case KNOB_ROLE_NONE: 3388 if (fcp->role != ISP_ROLE_NONE) { 3389 rchange = 1; 3390 newrole = ISP_ROLE_NONE; 3391 } 3392 break; 3393 case KNOB_ROLE_TARGET: 3394 if (fcp->role != ISP_ROLE_TARGET) { 3395 rchange = 1; 3396 newrole = ISP_ROLE_TARGET; 3397 } 3398 break; 3399 case KNOB_ROLE_INITIATOR: 3400 if (fcp->role != ISP_ROLE_INITIATOR) { 3401 rchange = 1; 3402 newrole = ISP_ROLE_INITIATOR; 3403 } 3404 break; 3405 case KNOB_ROLE_BOTH: 3406 if (fcp->role != ISP_ROLE_BOTH) { 3407 rchange = 1; 3408 newrole = ISP_ROLE_BOTH; 3409 } 3410 break; 3411 } 3412 if (rchange) { 3413 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 3414 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 3415 bus, newrole) != 0) { 3416 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3417 xpt_done(ccb); 3418 break; 3419 } 3420 } 3421 } 3422 xpt_done(ccb); 3423 break; 3424 } 3425 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 3426 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 3427 { 3428 struct ccb_sim_knob *kp = &ccb->knob; 3429 3430 if (IS_FC(isp)) { 3431 fcparam *fcp; 3432 3433 fcp = FCPARAM(isp, bus); 3434 3435 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 3436 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 3437 switch (fcp->role) { 3438 case ISP_ROLE_NONE: 3439 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 3440 break; 3441 case ISP_ROLE_TARGET: 3442 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 3443 break; 3444 case ISP_ROLE_INITIATOR: 3445 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 3446 break; 3447 case ISP_ROLE_BOTH: 3448 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 3449 break; 3450 } 3451 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 3452 ccb->ccb_h.status = CAM_REQ_CMP; 3453 } else { 3454 ccb->ccb_h.status = CAM_REQ_INVALID; 3455 } 3456 xpt_done(ccb); 3457 break; 3458 } 3459 case XPT_PATH_INQ: /* Path routing inquiry */ 3460 { 3461 struct ccb_pathinq *cpi = &ccb->cpi; 3462 3463 cpi->version_num = 1; 3464#ifdef ISP_TARGET_MODE 3465 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp)) 3466 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3467 else 3468#endif 3469 cpi->target_sprt = 0; 3470 cpi->hba_eng_cnt = 0; 3471 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 3472 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ? 3473 255 : ISP_MAX_LUNS(isp) - 1; 3474 cpi->bus_id = cam_sim_bus(sim); 3475 if (isp->isp_osinfo.sixtyfourbit) 3476 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 3477 else 3478 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 3479 3480 if (IS_FC(isp)) { 3481 fcparam *fcp = FCPARAM(isp, bus); 3482 3483 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 3484 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 3485 3486 /* 3487 * Because our loop ID can shift from time to time, 3488 * make our initiator ID out of range of our bus. 3489 */ 3490 cpi->initiator_id = cpi->max_target + 1; 3491 3492 /* 3493 * Set base transfer capabilities for Fibre Channel, for this HBA. 3494 */ 3495 if (IS_25XX(isp)) { 3496 cpi->base_transfer_speed = 8000000; 3497 } else if (IS_24XX(isp)) { 3498 cpi->base_transfer_speed = 4000000; 3499 } else if (IS_23XX(isp)) { 3500 cpi->base_transfer_speed = 2000000; 3501 } else { 3502 cpi->base_transfer_speed = 1000000; 3503 } 3504 cpi->hba_inquiry = PI_TAG_ABLE; 3505 cpi->transport = XPORT_FC; 3506 cpi->transport_version = 0; 3507 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 3508 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 3509 cpi->xport_specific.fc.port = fcp->isp_portid; 3510 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 3511 } else { 3512 sdparam *sdp = SDPARAM(isp, bus); 3513 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3514 cpi->hba_misc = PIM_UNMAPPED; 3515 cpi->initiator_id = sdp->isp_initiator_id; 3516 cpi->base_transfer_speed = 3300; 3517 cpi->transport = XPORT_SPI; 3518 cpi->transport_version = 2; 3519 } 3520 cpi->protocol = PROTO_SCSI; 3521 cpi->protocol_version = SCSI_REV_2; 3522 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3523 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 3524 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3525 cpi->unit_number = cam_sim_unit(sim); 3526 cpi->ccb_h.status = CAM_REQ_CMP; 3527 xpt_done(ccb); 3528 break; 3529 } 3530 default: 3531 ccb->ccb_h.status = CAM_REQ_INVALID; 3532 xpt_done(ccb); 3533 break; 3534 } 3535} 3536 3537void 3538isp_done(XS_T *sccb) 3539{ 3540 ispsoftc_t *isp = XS_ISP(sccb); 3541 uint32_t status; 3542 3543 if (XS_NOERR(sccb)) 3544 XS_SETERR(sccb, CAM_REQ_CMP); 3545 3546 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 3547 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 3548 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 3549 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 3550 } else { 3551 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 3552 } 3553 } 3554 3555 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3556 status = sccb->ccb_h.status & CAM_STATUS_MASK; 3557 if (status != CAM_REQ_CMP && 3558 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 3559 sccb->ccb_h.status |= CAM_DEV_QFRZN; 3560 xpt_freeze_devq(sccb->ccb_h.path, 1); 3561 } 3562 3563 if (ISP_PCMD(sccb)) { 3564 if (callout_active(&PISP_PCMD(sccb)->wdog)) 3565 callout_stop(&PISP_PCMD(sccb)->wdog); 3566 isp_free_pcmd(isp, (union ccb *) sccb); 3567 } 3568 xpt_done((union ccb *) sccb); 3569} 3570 3571void 3572isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 3573{ 3574 int bus; 3575 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 3576 char buf[64]; 3577 char *msg = NULL; 3578 target_id_t tgt; 3579 fcportdb_t *lp; 3580 struct isp_fc *fc; 3581 struct cam_path *tmppath; 3582 struct ac_contract ac; 3583 struct ac_device_changed *adc; 3584 va_list ap; 3585 3586 switch (cmd) { 3587 case ISPASYNC_NEW_TGT_PARAMS: 3588 { 3589 struct ccb_trans_settings_scsi *scsi; 3590 struct ccb_trans_settings_spi *spi; 3591 int flags, tgt; 3592 sdparam *sdp; 3593 struct ccb_trans_settings cts; 3594 3595 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 3596 3597 va_start(ap, cmd); 3598 bus = va_arg(ap, int); 3599 tgt = va_arg(ap, int); 3600 va_end(ap); 3601 sdp = SDPARAM(isp, bus); 3602 3603 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 3604 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 3605 break; 3606 } 3607 flags = sdp->isp_devparam[tgt].actv_flags; 3608 cts.type = CTS_TYPE_CURRENT_SETTINGS; 3609 cts.protocol = PROTO_SCSI; 3610 cts.transport = XPORT_SPI; 3611 3612 scsi = &cts.proto_specific.scsi; 3613 spi = &cts.xport_specific.spi; 3614 3615 if (flags & DPARM_TQING) { 3616 scsi->valid |= CTS_SCSI_VALID_TQ; 3617 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3618 } 3619 3620 if (flags & DPARM_DISC) { 3621 spi->valid |= CTS_SPI_VALID_DISC; 3622 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3623 } 3624 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 3625 if (flags & DPARM_WIDE) { 3626 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3627 } else { 3628 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3629 } 3630 if (flags & DPARM_SYNC) { 3631 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3632 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3633 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 3634 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 3635 } 3636 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); 3637 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 3638 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 3639 xpt_free_path(tmppath); 3640 break; 3641 } 3642 case ISPASYNC_BUS_RESET: 3643 { 3644 va_start(ap, cmd); 3645 bus = va_arg(ap, int); 3646 va_end(ap); 3647 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 3648 if (IS_FC(isp)) { 3649 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 3650 } else { 3651 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 3652 } 3653 break; 3654 } 3655 case ISPASYNC_LIP: 3656 if (msg == NULL) 3657 msg = "LIP Received"; 3658 /* FALLTHROUGH */ 3659 case ISPASYNC_LOOP_RESET: 3660 if (msg == NULL) 3661 msg = "LOOP Reset"; 3662 /* FALLTHROUGH */ 3663 case ISPASYNC_LOOP_DOWN: 3664 if (msg == NULL) 3665 msg = "LOOP Down"; 3666 va_start(ap, cmd); 3667 bus = va_arg(ap, int); 3668 va_end(ap); 3669 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 3670 isp_loop_changed(isp, bus); 3671 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3672 break; 3673 case ISPASYNC_LOOP_UP: 3674 va_start(ap, cmd); 3675 bus = va_arg(ap, int); 3676 va_end(ap); 3677 isp_loop_changed(isp, bus); 3678 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus); 3679 break; 3680 case ISPASYNC_DEV_ARRIVED: 3681 va_start(ap, cmd); 3682 bus = va_arg(ap, int); 3683 lp = va_arg(ap, fcportdb_t *); 3684 va_end(ap); 3685 fc = ISP_FC_PC(isp, bus); 3686 tgt = FC_PORTDB_TGT(isp, bus, lp); 3687 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3688 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 3689 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3690 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 3691 lp->is_target = 1; 3692 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3693 isp_make_here(isp, lp, bus, tgt); 3694 } 3695 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3696 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 3697 lp->is_initiator = 1; 3698 ac.contract_number = AC_CONTRACT_DEV_CHG; 3699 adc = (struct ac_device_changed *) ac.contract_data; 3700 adc->wwpn = lp->port_wwn; 3701 adc->port = lp->portid; 3702 adc->target = tgt; 3703 adc->arrived = 1; 3704 xpt_async(AC_CONTRACT, fc->path, &ac); 3705 } 3706 break; 3707 case ISPASYNC_DEV_CHANGED: 3708 va_start(ap, cmd); 3709 bus = va_arg(ap, int); 3710 lp = va_arg(ap, fcportdb_t *); 3711 va_end(ap); 3712 fc = ISP_FC_PC(isp, bus); 3713 tgt = FC_PORTDB_TGT(isp, bus, lp); 3714 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 3715 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 3716changed: 3717 if (lp->is_target != 3718 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3719 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 3720 lp->is_target = !lp->is_target; 3721 if (lp->is_target) { 3722 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3723 isp_make_here(isp, lp, bus, tgt); 3724 } else { 3725 isp_make_gone(isp, lp, bus, tgt); 3726 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3727 } 3728 } 3729 if (lp->is_initiator != 3730 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3731 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 3732 lp->is_initiator = !lp->is_initiator; 3733 ac.contract_number = AC_CONTRACT_DEV_CHG; 3734 adc = (struct ac_device_changed *) ac.contract_data; 3735 adc->wwpn = lp->port_wwn; 3736 adc->port = lp->portid; 3737 adc->target = tgt; 3738 adc->arrived = lp->is_initiator; 3739 xpt_async(AC_CONTRACT, fc->path, &ac); 3740 } 3741 break; 3742 case ISPASYNC_DEV_STAYED: 3743 va_start(ap, cmd); 3744 bus = va_arg(ap, int); 3745 lp = va_arg(ap, fcportdb_t *); 3746 va_end(ap); 3747 fc = ISP_FC_PC(isp, bus); 3748 tgt = FC_PORTDB_TGT(isp, bus, lp); 3749 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3750 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 3751 goto changed; 3752 case ISPASYNC_DEV_GONE: 3753 va_start(ap, cmd); 3754 bus = va_arg(ap, int); 3755 lp = va_arg(ap, fcportdb_t *); 3756 va_end(ap); 3757 fc = ISP_FC_PC(isp, bus); 3758 tgt = FC_PORTDB_TGT(isp, bus, lp); 3759 /* 3760 * If this has a virtual target or initiator set the isp_gdt 3761 * timer running on it to delay its departure. 3762 */ 3763 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3764 if (lp->is_target || lp->is_initiator) { 3765 lp->state = FC_PORTDB_STATE_ZOMBIE; 3766 lp->gone_timer = fc->gone_device_time; 3767 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 3768 if (fc->ready && !callout_active(&fc->gdt)) { 3769 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); 3770 callout_reset(&fc->gdt, hz, isp_gdt, fc); 3771 } 3772 break; 3773 } 3774 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 3775 break; 3776 case ISPASYNC_CHANGE_NOTIFY: 3777 { 3778 char *msg; 3779 int evt, nphdl, nlstate, portid, reason; 3780 3781 va_start(ap, cmd); 3782 bus = va_arg(ap, int); 3783 evt = va_arg(ap, int); 3784 if (evt == ISPASYNC_CHANGE_PDB) { 3785 nphdl = va_arg(ap, int); 3786 nlstate = va_arg(ap, int); 3787 reason = va_arg(ap, int); 3788 } else if (evt == ISPASYNC_CHANGE_SNS) { 3789 portid = va_arg(ap, int); 3790 } else { 3791 nphdl = NIL_HANDLE; 3792 nlstate = reason = 0; 3793 } 3794 va_end(ap); 3795 fc = ISP_FC_PC(isp, bus); 3796 3797 if (evt == ISPASYNC_CHANGE_PDB) { 3798 msg = "Port Database Changed"; 3799 isp_prt(isp, ISP_LOGINFO, 3800 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3801 bus, msg, nphdl, nlstate, reason); 3802 } else if (evt == ISPASYNC_CHANGE_SNS) { 3803 msg = "Name Server Database Changed"; 3804 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3805 bus, msg, portid); 3806 } else { 3807 msg = "Other Change Notify"; 3808 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3809 } 3810 isp_loop_changed(isp, bus); 3811 break; 3812 } 3813#ifdef ISP_TARGET_MODE 3814 case ISPASYNC_TARGET_NOTIFY: 3815 { 3816 isp_notify_t *notify; 3817 va_start(ap, cmd); 3818 notify = va_arg(ap, isp_notify_t *); 3819 va_end(ap); 3820 switch (notify->nt_ncode) { 3821 case NT_ABORT_TASK: 3822 case NT_ABORT_TASK_SET: 3823 case NT_CLEAR_ACA: 3824 case NT_CLEAR_TASK_SET: 3825 case NT_LUN_RESET: 3826 case NT_TARGET_RESET: 3827 case NT_QUERY_TASK_SET: 3828 case NT_QUERY_ASYNC_EVENT: 3829 /* 3830 * These are task management functions. 3831 */ 3832 isp_handle_platform_target_tmf(isp, notify); 3833 break; 3834 case NT_BUS_RESET: 3835 case NT_LIP_RESET: 3836 case NT_LINK_UP: 3837 case NT_LINK_DOWN: 3838 case NT_HBA_RESET: 3839 /* 3840 * No action need be taken here. 3841 */ 3842 break; 3843 case NT_GLOBAL_LOGOUT: 3844 case NT_LOGOUT: 3845 /* 3846 * This is device arrival/departure notification 3847 */ 3848 isp_handle_platform_target_notify_ack(isp, notify, 0); 3849 break; 3850 case NT_SRR: 3851 isp_handle_platform_srr(isp, notify); 3852 break; 3853 default: 3854 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3855 isp_handle_platform_target_notify_ack(isp, notify, 0); 3856 break; 3857 } 3858 break; 3859 } 3860 case ISPASYNC_TARGET_NOTIFY_ACK: 3861 { 3862 void *inot; 3863 va_start(ap, cmd); 3864 inot = va_arg(ap, void *); 3865 va_end(ap); 3866 if (isp_notify_ack(isp, inot)) { 3867 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3868 if (tp) { 3869 tp->isp = isp; 3870 memcpy(tp->data, inot, sizeof (tp->data)); 3871 tp->not = tp->data; 3872 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3873 callout_reset(&tp->timer, 5, 3874 isp_refire_notify_ack, tp); 3875 } else { 3876 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3877 } 3878 } 3879 break; 3880 } 3881 case ISPASYNC_TARGET_ACTION: 3882 { 3883 isphdr_t *hp; 3884 3885 va_start(ap, cmd); 3886 hp = va_arg(ap, isphdr_t *); 3887 va_end(ap); 3888 switch (hp->rqs_entry_type) { 3889 case RQSTYPE_ATIO: 3890 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 3891 break; 3892 case RQSTYPE_ATIO2: 3893 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 3894 break; 3895 case RQSTYPE_CTIO7: 3896 case RQSTYPE_CTIO3: 3897 case RQSTYPE_CTIO2: 3898 case RQSTYPE_CTIO: 3899 isp_handle_platform_ctio(isp, hp); 3900 break; 3901 default: 3902 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3903 __func__, hp->rqs_entry_type); 3904 break; 3905 } 3906 break; 3907 } 3908#endif 3909 case ISPASYNC_FW_CRASH: 3910 { 3911 uint16_t mbox1, mbox6; 3912 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3913 if (IS_DUALBUS(isp)) { 3914 mbox6 = ISP_READ(isp, OUTMAILBOX6); 3915 } else { 3916 mbox6 = 0; 3917 } 3918 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 3919#if 0 3920 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 3921 isp->isp_osinfo.mbox_sleep_ok = 0; 3922 isp_reinit(isp, 1); 3923 isp->isp_osinfo.mbox_sleep_ok = mbox1; 3924 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 3925#endif 3926 break; 3927 } 3928 default: 3929 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 3930 break; 3931 } 3932} 3933 3934uint64_t 3935isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 3936{ 3937 uint64_t seed; 3938 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3939 3940 /* First try to use explicitly configured WWNs. */ 3941 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 3942 if (seed) 3943 return (seed); 3944 3945 /* Otherwise try to use WWNs from NVRAM. */ 3946 if (isactive) { 3947 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 3948 FCPARAM(isp, chan)->isp_wwpn_nvram; 3949 if (seed) 3950 return (seed); 3951 } 3952 3953 /* If still no WWNs, try to steal them from the first channel. */ 3954 if (chan > 0) { 3955 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 3956 ISP_FC_PC(isp, 0)->def_wwpn; 3957 if (seed == 0) { 3958 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 3959 FCPARAM(isp, 0)->isp_wwpn_nvram; 3960 } 3961 } 3962 3963 /* If still nothing -- improvise. */ 3964 if (seed == 0) { 3965 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 3966 if (!iswwnn) 3967 seed ^= 0x0100000000000000ULL; 3968 } 3969 3970 /* For additional channels we have to improvise even more. */ 3971 if (!iswwnn && chan > 0) { 3972 /* 3973 * We'll stick our channel number plus one first into bits 3974 * 57..59 and thence into bits 52..55 which allows for 8 bits 3975 * of channel which is enough for our maximum of 255 channels. 3976 */ 3977 seed ^= 0x0100000000000000ULL; 3978 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 3979 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 3980 } 3981 return (seed); 3982} 3983 3984void 3985isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 3986{ 3987 int loc; 3988 char lbuf[200]; 3989 va_list ap; 3990 3991 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3992 return; 3993 } 3994 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 3995 loc = strlen(lbuf); 3996 va_start(ap, fmt); 3997 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 3998 va_end(ap); 3999 printf("%s\n", lbuf); 4000} 4001 4002void 4003isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 4004{ 4005 va_list ap; 4006 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4007 return; 4008 } 4009 xpt_print_path(xs->ccb_h.path); 4010 va_start(ap, fmt); 4011 vprintf(fmt, ap); 4012 va_end(ap); 4013 printf("\n"); 4014} 4015 4016uint64_t 4017isp_nanotime_sub(struct timespec *b, struct timespec *a) 4018{ 4019 uint64_t elapsed; 4020 struct timespec x = *b; 4021 timespecsub(&x, a); 4022 elapsed = GET_NANOSEC(&x); 4023 if (elapsed == 0) 4024 elapsed++; 4025 return (elapsed); 4026} 4027 4028int 4029isp_mbox_acquire(ispsoftc_t *isp) 4030{ 4031 if (isp->isp_osinfo.mboxbsy) { 4032 return (1); 4033 } else { 4034 isp->isp_osinfo.mboxcmd_done = 0; 4035 isp->isp_osinfo.mboxbsy = 1; 4036 return (0); 4037 } 4038} 4039 4040void 4041isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 4042{ 4043 u_int t, to; 4044 4045 to = (mbp->timeout == 0) ? MBCMD_DEFAULT_TIMEOUT : mbp->timeout; 4046 if (isp->isp_osinfo.mbox_sleep_ok) { 4047 isp->isp_osinfo.mbox_sleep_ok = 0; 4048 isp->isp_osinfo.mbox_sleeping = 1; 4049 msleep_sbt(&isp->isp_osinfo.mboxcmd_done, &isp->isp_lock, 4050 PRIBIO, "ispmbx_sleep", to * SBT_1US, 0, 0); 4051 isp->isp_osinfo.mbox_sleep_ok = 1; 4052 isp->isp_osinfo.mbox_sleeping = 0; 4053 } else { 4054 for (t = 0; t < to; t += 100) { 4055 if (isp->isp_osinfo.mboxcmd_done) 4056 break; 4057 ISP_RUN_ISR(isp); 4058 if (isp->isp_osinfo.mboxcmd_done) 4059 break; 4060 ISP_DELAY(100); 4061 } 4062 } 4063 if (isp->isp_osinfo.mboxcmd_done == 0) { 4064 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (%s:%d)", 4065 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 4066 isp->isp_lastmbxcmd, to, mbp->func, mbp->lineno); 4067 mbp->param[0] = MBOX_TIMEOUT; 4068 isp->isp_osinfo.mboxcmd_done = 1; 4069 } 4070} 4071 4072void 4073isp_mbox_notify_done(ispsoftc_t *isp) 4074{ 4075 isp->isp_osinfo.mboxcmd_done = 1; 4076 if (isp->isp_osinfo.mbox_sleeping) 4077 wakeup(&isp->isp_osinfo.mboxcmd_done); 4078} 4079 4080void 4081isp_mbox_release(ispsoftc_t *isp) 4082{ 4083 isp->isp_osinfo.mboxbsy = 0; 4084} 4085 4086int 4087isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 4088{ 4089 int ret = 0; 4090 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 4091 ret = -1; 4092 } else { 4093 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 4094 } 4095 return (ret); 4096} 4097 4098void 4099isp_platform_intr(void *arg) 4100{ 4101 ispsoftc_t *isp = arg; 4102 4103 ISP_LOCK(isp); 4104 ISP_RUN_ISR(isp); 4105 ISP_UNLOCK(isp); 4106} 4107 4108void 4109isp_platform_intr_resp(void *arg) 4110{ 4111 ispsoftc_t *isp = arg; 4112 4113 ISP_LOCK(isp); 4114 isp_intr_respq(isp); 4115 ISP_UNLOCK(isp); 4116 4117 /* We have handshake enabled, so explicitly complete interrupt */ 4118 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4119} 4120 4121void 4122isp_platform_intr_atio(void *arg) 4123{ 4124 ispsoftc_t *isp = arg; 4125 4126 ISP_LOCK(isp); 4127#ifdef ISP_TARGET_MODE 4128 isp_intr_atioq(isp); 4129#endif 4130 ISP_UNLOCK(isp); 4131 4132 /* We have handshake enabled, so explicitly complete interrupt */ 4133 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4134} 4135 4136void 4137isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 4138{ 4139 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4140 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 4141 } else { 4142 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 4143 } 4144 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 4145} 4146 4147/* 4148 * Reset the command reference number for all LUNs on a specific target 4149 * (needed when a target arrives again) or for all targets on a port 4150 * (needed for events like a LIP). 4151 */ 4152void 4153isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 4154{ 4155 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4156 struct isp_nexus *nxp; 4157 int i; 4158 4159 if (tgt_set == 0) 4160 isp_prt(isp, ISP_LOGDEBUG0, 4161 "Chan %d resetting CRN on all targets", chan); 4162 else 4163 isp_prt(isp, ISP_LOGDEBUG0, 4164 "Chan %d resetting CRN on target %u", chan, tgt); 4165 4166 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 4167 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 4168 if (tgt_set == 0 || tgt == nxp->tgt) 4169 nxp->crnseed = 0; 4170 } 4171 } 4172} 4173 4174int 4175isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 4176{ 4177 lun_id_t lun; 4178 uint32_t chan, tgt; 4179 struct isp_fc *fc; 4180 struct isp_nexus *nxp; 4181 int idx; 4182 4183 if (IS_2100(isp)) 4184 return (0); 4185 4186 chan = XS_CHANNEL(cmd); 4187 tgt = XS_TGT(cmd); 4188 lun = XS_LUN(cmd); 4189 fc = &isp->isp_osinfo.pc.fc[chan]; 4190 idx = NEXUS_HASH(tgt, lun); 4191 nxp = fc->nexus_hash[idx]; 4192 4193 while (nxp) { 4194 if (nxp->tgt == tgt && nxp->lun == lun) 4195 break; 4196 nxp = nxp->next; 4197 } 4198 if (nxp == NULL) { 4199 nxp = fc->nexus_free_list; 4200 if (nxp == NULL) { 4201 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 4202 if (nxp == NULL) { 4203 return (-1); 4204 } 4205 } else { 4206 fc->nexus_free_list = nxp->next; 4207 } 4208 nxp->tgt = tgt; 4209 nxp->lun = lun; 4210 nxp->next = fc->nexus_hash[idx]; 4211 fc->nexus_hash[idx] = nxp; 4212 } 4213 if (nxp->crnseed == 0) 4214 nxp->crnseed = 1; 4215 PISP_PCMD(cmd)->crn = nxp->crnseed; 4216 *crnp = nxp->crnseed++; 4217 return (0); 4218} 4219 4220/* 4221 * We enter with the lock held 4222 */ 4223void 4224isp_timer(void *arg) 4225{ 4226 ispsoftc_t *isp = arg; 4227#ifdef ISP_TARGET_MODE 4228 isp_tmcmd_restart(isp); 4229#endif 4230 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 4231} 4232 4233isp_ecmd_t * 4234isp_get_ecmd(ispsoftc_t *isp) 4235{ 4236 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 4237 if (ecmd) { 4238 isp->isp_osinfo.ecmd_free = ecmd->next; 4239 } 4240 return (ecmd); 4241} 4242 4243void 4244isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 4245{ 4246 ecmd->next = isp->isp_osinfo.ecmd_free; 4247 isp->isp_osinfo.ecmd_free = ecmd; 4248} 4249