isp_freebsd.c revision 316399
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/10/sys/dev/isp/isp_freebsd.c 316399 2017-04-02 10:52:00Z 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 /* 116 * Construct our SIM entry. 117 */ 118 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, device_get_unit(isp->isp_dev), &isp->isp_osinfo.lock, isp->isp_maxcmds, isp->isp_maxcmds, devq); 119 120 if (sim == NULL) { 121 return (ENOMEM); 122 } 123 124 ISP_LOCK(isp); 125 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 126 ISP_UNLOCK(isp); 127 cam_sim_free(sim, FALSE); 128 return (EIO); 129 } 130 ISP_UNLOCK(isp); 131 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 132 ISP_LOCK(isp); 133 xpt_bus_deregister(cam_sim_path(sim)); 134 ISP_UNLOCK(isp); 135 cam_sim_free(sim, FALSE); 136 return (ENXIO); 137 } 138 xpt_setup_ccb(&csa.ccb_h, path, 5); 139 csa.ccb_h.func_code = XPT_SASYNC_CB; 140 csa.event_enable = AC_LOST_DEVICE; 141 csa.callback = isp_cam_async; 142 csa.callback_arg = sim; 143 144 ISP_LOCK(isp); 145 xpt_action((union ccb *)&csa); 146 ISP_UNLOCK(isp); 147 148 if (IS_SCSI(isp)) { 149 struct isp_spi *spi = ISP_SPI_PC(isp, chan); 150 spi->sim = sim; 151 spi->path = path; 152#ifdef ISP_TARGET_MODE 153 TAILQ_INIT(&spi->waitq); 154 STAILQ_INIT(&spi->ntfree); 155 for (i = 0; i < ATPDPSIZE; i++) 156 STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next); 157 LIST_INIT(&spi->atfree); 158 for (i = ATPDPSIZE-1; i >= 0; i--) 159 LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next); 160 for (i = 0; i < ATPDPHASHSIZE; i++) 161 LIST_INIT(&spi->atused[i]); 162#endif 163 } else { 164 fcparam *fcp = FCPARAM(isp, chan); 165 struct isp_fc *fc = ISP_FC_PC(isp, chan); 166 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 167 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 168 char name[16]; 169 170 ISP_LOCK(isp); 171 fc->sim = sim; 172 fc->path = path; 173 fc->isp = isp; 174 fc->ready = 1; 175 176 callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0); 177 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 178#ifdef ISP_TARGET_MODE 179 TAILQ_INIT(&fc->waitq); 180 STAILQ_INIT(&fc->ntfree); 181 for (i = 0; i < ATPDPSIZE; i++) 182 STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next); 183 LIST_INIT(&fc->atfree); 184 for (i = ATPDPSIZE-1; i >= 0; i--) 185 LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next); 186 for (i = 0; i < ATPDPHASHSIZE; i++) 187 LIST_INIT(&fc->atused[i]); 188#endif 189 isp_loop_changed(isp, chan); 190 ISP_UNLOCK(isp); 191 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0, 192 "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 193 xpt_free_path(fc->path); 194 ISP_LOCK(isp); 195 xpt_bus_deregister(cam_sim_path(fc->sim)); 196 ISP_UNLOCK(isp); 197 cam_sim_free(fc->sim, FALSE); 198 return (ENOMEM); 199 } 200 fc->num_threads += 1; 201 if (chan > 0) { 202 snprintf(name, sizeof(name), "chan%d", chan); 203 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 204 OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel"); 205 } 206 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 207 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 208 "World Wide Node Name"); 209 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 210 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 211 "World Wide Port Name"); 212 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 213 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 214 "Loop Down Limit"); 215 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 216 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 217 "Gone Device Time"); 218#if defined(ISP_TARGET_MODE) && defined(DEBUG) 219 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 220 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 221 "Cause a Lost Frame on a Read"); 222#endif 223 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 224 "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan, 225 isp_role_sysctl, "I", "Current role"); 226 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 227 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 228 "Connection speed in gigabits"); 229 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 230 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 231 "Link state"); 232 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 233 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 234 "Firmware state"); 235 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 236 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 237 "Loop state"); 238 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 239 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 240 "Connection topology"); 241 } 242 return (0); 243} 244 245static void 246isp_detach_chan(ispsoftc_t *isp, int chan) 247{ 248 struct cam_sim *sim; 249 struct cam_path *path; 250 struct ccb_setasync csa; 251 int *num_threads; 252 253 ISP_GET_PC(isp, chan, sim, sim); 254 ISP_GET_PC(isp, chan, path, path); 255 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 256 257 xpt_setup_ccb(&csa.ccb_h, path, 5); 258 csa.ccb_h.func_code = XPT_SASYNC_CB; 259 csa.event_enable = 0; 260 csa.callback = isp_cam_async; 261 csa.callback_arg = sim; 262 xpt_action((union ccb *)&csa); 263 xpt_free_path(path); 264 xpt_bus_deregister(cam_sim_path(sim)); 265 cam_sim_free(sim, FALSE); 266 267 /* Wait for the channel's spawned threads to exit. */ 268 wakeup(isp->isp_osinfo.pc.ptr); 269 while (*num_threads != 0) 270 mtx_sleep(isp, &isp->isp_osinfo.lock, PRIBIO, "isp_reap", 100); 271} 272 273int 274isp_attach(ispsoftc_t *isp) 275{ 276 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 277 int du = device_get_unit(isp->isp_dev); 278 int chan; 279 280 /* 281 * Create the device queue for our SIM(s). 282 */ 283 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 284 if (isp->isp_osinfo.devq == NULL) { 285 return (EIO); 286 } 287 288 for (chan = 0; chan < isp->isp_nchan; chan++) { 289 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 290 goto unwind; 291 } 292 } 293 294 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0); 295 isp_timer_count = hz >> 2; 296 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 297 isp->isp_osinfo.timer_active = 1; 298 299 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 300 if (isp->isp_osinfo.cdev) { 301 isp->isp_osinfo.cdev->si_drv1 = isp; 302 } 303 return (0); 304 305unwind: 306 while (--chan >= 0) { 307 struct cam_sim *sim; 308 struct cam_path *path; 309 310 ISP_GET_PC(isp, chan, sim, sim); 311 ISP_GET_PC(isp, chan, path, path); 312 xpt_free_path(path); 313 ISP_LOCK(isp); 314 xpt_bus_deregister(cam_sim_path(sim)); 315 ISP_UNLOCK(isp); 316 cam_sim_free(sim, FALSE); 317 } 318 if (isp->isp_osinfo.cdev) { 319 destroy_dev(isp->isp_osinfo.cdev); 320 isp->isp_osinfo.cdev = NULL; 321 } 322 cam_simq_free(isp->isp_osinfo.devq); 323 isp->isp_osinfo.devq = NULL; 324 return (-1); 325} 326 327int 328isp_detach(ispsoftc_t *isp) 329{ 330 struct cam_sim *sim; 331 int chan; 332 333 ISP_LOCK(isp); 334 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) { 335 ISP_GET_PC(isp, chan, sim, sim); 336 if (sim->refcount > 2) { 337 ISP_UNLOCK(isp); 338 return (EBUSY); 339 } 340 } 341 /* Tell spawned threads that we're exiting. */ 342 isp->isp_osinfo.is_exiting = 1; 343 if (isp->isp_osinfo.timer_active) { 344 callout_stop(&isp->isp_osinfo.tmo); 345 isp->isp_osinfo.timer_active = 0; 346 } 347 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 348 isp_detach_chan(isp, chan); 349 ISP_UNLOCK(isp); 350 351 if (isp->isp_osinfo.cdev) { 352 destroy_dev(isp->isp_osinfo.cdev); 353 isp->isp_osinfo.cdev = NULL; 354 } 355 if (isp->isp_osinfo.devq != NULL) { 356 cam_simq_free(isp->isp_osinfo.devq); 357 isp->isp_osinfo.devq = NULL; 358 } 359 return (0); 360} 361 362static void 363isp_freeze_loopdown(ispsoftc_t *isp, int chan) 364{ 365 struct isp_fc *fc = ISP_FC_PC(isp, chan); 366 367 if (fc->sim == NULL) 368 return; 369 if (fc->simqfrozen == 0) { 370 isp_prt(isp, ISP_LOGDEBUG0, 371 "Chan %d Freeze simq (loopdown)", chan); 372 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 373 xpt_hold_boot(); 374 xpt_freeze_simq(fc->sim, 1); 375 } else { 376 isp_prt(isp, ISP_LOGDEBUG0, 377 "Chan %d Mark simq frozen (loopdown)", chan); 378 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 379 } 380} 381 382static void 383isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 384{ 385 struct isp_fc *fc = ISP_FC_PC(isp, chan); 386 387 if (fc->sim == NULL) 388 return; 389 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 390 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 391 if (wasfrozen && fc->simqfrozen == 0) { 392 isp_prt(isp, ISP_LOGDEBUG0, 393 "Chan %d Release simq", chan); 394 xpt_release_simq(fc->sim, 1); 395 xpt_release_boot(); 396 } 397} 398 399static int 400ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 401{ 402 ispsoftc_t *isp; 403 int nr, chan, retval = ENOTTY; 404 405 isp = dev->si_drv1; 406 407 switch (c) { 408 case ISP_SDBLEV: 409 { 410 int olddblev = isp->isp_dblev; 411 isp->isp_dblev = *(int *)addr; 412 *(int *)addr = olddblev; 413 retval = 0; 414 break; 415 } 416 case ISP_GETROLE: 417 chan = *(int *)addr; 418 if (chan < 0 || chan >= isp->isp_nchan) { 419 retval = -ENXIO; 420 break; 421 } 422 if (IS_FC(isp)) { 423 *(int *)addr = FCPARAM(isp, chan)->role; 424 } else { 425 *(int *)addr = ISP_ROLE_INITIATOR; 426 } 427 retval = 0; 428 break; 429 case ISP_SETROLE: 430 if (IS_SCSI(isp)) 431 break; 432 nr = *(int *)addr; 433 chan = nr >> 8; 434 if (chan < 0 || chan >= isp->isp_nchan) { 435 retval = -ENXIO; 436 break; 437 } 438 nr &= 0xff; 439 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 440 retval = EINVAL; 441 break; 442 } 443 ISP_LOCK(isp); 444 *(int *)addr = FCPARAM(isp, chan)->role; 445 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 446 ISP_UNLOCK(isp); 447 retval = 0; 448 break; 449 450 case ISP_RESETHBA: 451 ISP_LOCK(isp); 452 isp_reinit(isp, 0); 453 ISP_UNLOCK(isp); 454 retval = 0; 455 break; 456 457 case ISP_RESCAN: 458 if (IS_FC(isp)) { 459 chan = *(int *)addr; 460 if (chan < 0 || chan >= isp->isp_nchan) { 461 retval = -ENXIO; 462 break; 463 } 464 ISP_LOCK(isp); 465 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 466 retval = EIO; 467 } else { 468 retval = 0; 469 } 470 ISP_UNLOCK(isp); 471 } 472 break; 473 474 case ISP_FC_LIP: 475 if (IS_FC(isp)) { 476 chan = *(int *)addr; 477 if (chan < 0 || chan >= isp->isp_nchan) { 478 retval = -ENXIO; 479 break; 480 } 481 ISP_LOCK(isp); 482 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 483 retval = EIO; 484 } else { 485 retval = 0; 486 } 487 ISP_UNLOCK(isp); 488 } 489 break; 490 case ISP_FC_GETDINFO: 491 { 492 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 493 fcportdb_t *lp; 494 495 if (IS_SCSI(isp)) { 496 break; 497 } 498 if (ifc->loopid >= MAX_FC_TARG) { 499 retval = EINVAL; 500 break; 501 } 502 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 503 if (lp->state != FC_PORTDB_STATE_NIL) { 504 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 505 ifc->loopid = lp->handle; 506 ifc->portid = lp->portid; 507 ifc->node_wwn = lp->node_wwn; 508 ifc->port_wwn = lp->port_wwn; 509 retval = 0; 510 } else { 511 retval = ENODEV; 512 } 513 break; 514 } 515 case ISP_FC_GETHINFO: 516 { 517 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 518 int chan = hba->fc_channel; 519 520 if (chan < 0 || chan >= isp->isp_nchan) { 521 retval = ENXIO; 522 break; 523 } 524 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 525 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 526 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 527 hba->fc_nchannels = isp->isp_nchan; 528 if (IS_FC(isp)) { 529 hba->fc_nports = MAX_FC_TARG; 530 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 531 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 532 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 533 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 534 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 535 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 536 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 537 } else { 538 hba->fc_nports = MAX_TARGETS; 539 hba->fc_speed = 0; 540 hba->fc_topology = 0; 541 hba->nvram_node_wwn = 0ull; 542 hba->nvram_port_wwn = 0ull; 543 hba->active_node_wwn = 0ull; 544 hba->active_port_wwn = 0ull; 545 } 546 retval = 0; 547 break; 548 } 549 case ISP_TSK_MGMT: 550 { 551 int needmarker; 552 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 553 uint16_t nphdl; 554 mbreg_t mbs; 555 556 if (IS_SCSI(isp)) { 557 break; 558 } 559 560 chan = fct->chan; 561 if (chan < 0 || chan >= isp->isp_nchan) { 562 retval = -ENXIO; 563 break; 564 } 565 566 needmarker = retval = 0; 567 nphdl = fct->loopid; 568 ISP_LOCK(isp); 569 if (IS_24XX(isp)) { 570 void *reqp; 571 uint8_t resp[QENTRY_LEN]; 572 isp24xx_tmf_t tmf; 573 isp24xx_statusreq_t sp; 574 fcparam *fcp = FCPARAM(isp, chan); 575 fcportdb_t *lp; 576 int i; 577 578 for (i = 0; i < MAX_FC_TARG; i++) { 579 lp = &fcp->portdb[i]; 580 if (lp->handle == nphdl) { 581 break; 582 } 583 } 584 if (i == MAX_FC_TARG) { 585 retval = ENXIO; 586 ISP_UNLOCK(isp); 587 break; 588 } 589 ISP_MEMZERO(&tmf, sizeof(tmf)); 590 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 591 tmf.tmf_header.rqs_entry_count = 1; 592 tmf.tmf_nphdl = lp->handle; 593 tmf.tmf_delay = 2; 594 tmf.tmf_timeout = 4; 595 tmf.tmf_tidlo = lp->portid; 596 tmf.tmf_tidhi = lp->portid >> 16; 597 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 598 tmf.tmf_lun[1] = fct->lun & 0xff; 599 if (fct->lun >= 256) { 600 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 601 } 602 switch (fct->action) { 603 case IPT_CLEAR_ACA: 604 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 605 break; 606 case IPT_TARGET_RESET: 607 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 608 needmarker = 1; 609 break; 610 case IPT_LUN_RESET: 611 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 612 needmarker = 1; 613 break; 614 case IPT_CLEAR_TASK_SET: 615 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 616 needmarker = 1; 617 break; 618 case IPT_ABORT_TASK_SET: 619 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 620 needmarker = 1; 621 break; 622 default: 623 retval = EINVAL; 624 break; 625 } 626 if (retval) { 627 ISP_UNLOCK(isp); 628 break; 629 } 630 631 /* Prepare space for response in memory */ 632 memset(resp, 0xff, sizeof(resp)); 633 tmf.tmf_handle = isp_allocate_handle(isp, resp, 634 ISP_HANDLE_CTRL); 635 if (tmf.tmf_handle == 0) { 636 isp_prt(isp, ISP_LOGERR, 637 "%s: TMF of Chan %d out of handles", 638 __func__, chan); 639 ISP_UNLOCK(isp); 640 retval = ENOMEM; 641 break; 642 } 643 644 /* Send request and wait for response. */ 645 reqp = isp_getrqentry(isp); 646 if (reqp == NULL) { 647 isp_prt(isp, ISP_LOGERR, 648 "%s: TMF of Chan %d out of rqent", 649 __func__, chan); 650 isp_destroy_handle(isp, tmf.tmf_handle); 651 ISP_UNLOCK(isp); 652 retval = EIO; 653 break; 654 } 655 isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp); 656 if (isp->isp_dblev & ISP_LOGDEBUG1) 657 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp); 658 ISP_SYNC_REQUEST(isp); 659 if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) { 660 isp_prt(isp, ISP_LOGERR, 661 "%s: TMF of Chan %d timed out", 662 __func__, chan); 663 isp_destroy_handle(isp, tmf.tmf_handle); 664 ISP_UNLOCK(isp); 665 retval = EIO; 666 break; 667 } 668 if (isp->isp_dblev & ISP_LOGDEBUG1) 669 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp); 670 isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp); 671 672 if (sp.req_completion_status != 0) 673 retval = EIO; 674 else if (needmarker) 675 fcp->sendmarker = 1; 676 } else { 677 MBSINIT(&mbs, 0, MBLOGALL, 0); 678 if (ISP_CAP_2KLOGIN(isp) == 0) { 679 nphdl <<= 8; 680 } 681 switch (fct->action) { 682 case IPT_CLEAR_ACA: 683 mbs.param[0] = MBOX_CLEAR_ACA; 684 mbs.param[1] = nphdl; 685 mbs.param[2] = fct->lun; 686 break; 687 case IPT_TARGET_RESET: 688 mbs.param[0] = MBOX_TARGET_RESET; 689 mbs.param[1] = nphdl; 690 needmarker = 1; 691 break; 692 case IPT_LUN_RESET: 693 mbs.param[0] = MBOX_LUN_RESET; 694 mbs.param[1] = nphdl; 695 mbs.param[2] = fct->lun; 696 needmarker = 1; 697 break; 698 case IPT_CLEAR_TASK_SET: 699 mbs.param[0] = MBOX_CLEAR_TASK_SET; 700 mbs.param[1] = nphdl; 701 mbs.param[2] = fct->lun; 702 needmarker = 1; 703 break; 704 case IPT_ABORT_TASK_SET: 705 mbs.param[0] = MBOX_ABORT_TASK_SET; 706 mbs.param[1] = nphdl; 707 mbs.param[2] = fct->lun; 708 needmarker = 1; 709 break; 710 default: 711 retval = EINVAL; 712 break; 713 } 714 if (retval == 0) { 715 if (needmarker) { 716 FCPARAM(isp, chan)->sendmarker = 1; 717 } 718 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 719 if (retval) { 720 retval = EIO; 721 } 722 } 723 } 724 ISP_UNLOCK(isp); 725 break; 726 } 727 default: 728 break; 729 } 730 return (retval); 731} 732 733/* 734 * Local Inlines 735 */ 736 737static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 738static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 739 740static ISP_INLINE int 741isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 742{ 743 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 744 if (ISP_PCMD(ccb) == NULL) { 745 return (-1); 746 } 747 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 748 return (0); 749} 750 751static ISP_INLINE void 752isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 753{ 754 if (ISP_PCMD(ccb)) { 755#ifdef ISP_TARGET_MODE 756 PISP_PCMD(ccb)->datalen = 0; 757 PISP_PCMD(ccb)->totslen = 0; 758 PISP_PCMD(ccb)->cumslen = 0; 759 PISP_PCMD(ccb)->crn = 0; 760#endif 761 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 762 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 763 ISP_PCMD(ccb) = NULL; 764 } 765} 766 767/* 768 * Put the target mode functions here, because some are inlines 769 */ 770#ifdef ISP_TARGET_MODE 771static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 772static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 773static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 774static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 775static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 776static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 777static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 778static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 779static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 780static void isp_enable_lun(ispsoftc_t *, union ccb *); 781static void isp_disable_lun(ispsoftc_t *, union ccb *); 782static timeout_t isp_refire_putback_atio; 783static timeout_t isp_refire_notify_ack; 784static void isp_complete_ctio(union ccb *); 785static void isp_target_putback_atio(union ccb *); 786enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 787static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 788static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 789static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 790static void isp_handle_platform_ctio(ispsoftc_t *, void *); 791static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 792static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 793static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 794 795static ISP_INLINE tstate_t * 796get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 797{ 798 tstate_t *tptr = NULL; 799 struct tslist *lhp; 800 801 if (bus < isp->isp_nchan) { 802 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 803 SLIST_FOREACH(tptr, lhp, next) { 804 if (tptr->ts_lun == lun) 805 return (tptr); 806 } 807 } 808 return (NULL); 809} 810 811static int 812isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 813{ 814 inot_private_data_t *ntp; 815 struct ntpdlist rq; 816 817 if (STAILQ_EMPTY(&tptr->restart_queue)) 818 return (0); 819 STAILQ_INIT(&rq); 820 STAILQ_CONCAT(&rq, &tptr->restart_queue); 821 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 822 STAILQ_REMOVE_HEAD(&rq, next); 823 if (IS_24XX(isp)) { 824 isp_prt(isp, ISP_LOGTDEBUG0, 825 "%s: restarting resrc deprived %x", __func__, 826 ((at7_entry_t *)ntp->data)->at_rxid); 827 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 828 } else { 829 isp_prt(isp, ISP_LOGTDEBUG0, 830 "%s: restarting resrc deprived %x", __func__, 831 ((at2_entry_t *)ntp->data)->at_rxid); 832 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data); 833 } 834 isp_put_ntpd(isp, bus, ntp); 835 if (!STAILQ_EMPTY(&tptr->restart_queue)) 836 break; 837 } 838 if (!STAILQ_EMPTY(&rq)) { 839 STAILQ_CONCAT(&rq, &tptr->restart_queue); 840 STAILQ_CONCAT(&tptr->restart_queue, &rq); 841 } 842 return (!STAILQ_EMPTY(&tptr->restart_queue)); 843} 844 845static void 846isp_tmcmd_restart(ispsoftc_t *isp) 847{ 848 tstate_t *tptr; 849 union ccb *ccb; 850 struct tslist *lhp; 851 struct isp_ccbq *waitq; 852 int bus, i; 853 854 for (bus = 0; bus < isp->isp_nchan; bus++) { 855 for (i = 0; i < LUN_HASH_SIZE; i++) { 856 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 857 SLIST_FOREACH(tptr, lhp, next) 858 isp_atio_restart(isp, bus, tptr); 859 } 860 861 /* 862 * We only need to do this once per channel. 863 */ 864 ISP_GET_PC_ADDR(isp, bus, waitq, waitq); 865 ccb = (union ccb *)TAILQ_FIRST(waitq); 866 if (ccb != NULL) { 867 TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe); 868 isp_target_start_ctio(isp, ccb, FROM_TIMER); 869 } 870 } 871} 872 873static atio_private_data_t * 874isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 875{ 876 struct atpdlist *atfree; 877 struct atpdlist *atused; 878 atio_private_data_t *atp; 879 880 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 881 atp = LIST_FIRST(atfree); 882 if (atp) { 883 LIST_REMOVE(atp, next); 884 atp->tag = tag; 885 ISP_GET_PC(isp, chan, atused, atused); 886 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next); 887 } 888 return (atp); 889} 890 891static atio_private_data_t * 892isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 893{ 894 struct atpdlist *atused; 895 atio_private_data_t *atp; 896 897 ISP_GET_PC(isp, chan, atused, atused); 898 LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) { 899 if (atp->tag == tag) 900 return (atp); 901 } 902 return (NULL); 903} 904 905static void 906isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 907{ 908 struct atpdlist *atfree; 909 910 if (atp->ests) { 911 isp_put_ecmd(isp, atp->ests); 912 } 913 LIST_REMOVE(atp, next); 914 memset(atp, 0, sizeof (*atp)); 915 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 916 LIST_INSERT_HEAD(atfree, atp, next); 917} 918 919static void 920isp_dump_atpd(ispsoftc_t *isp, int chan) 921{ 922 atio_private_data_t *atp, *atpool; 923 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 924 925 ISP_GET_PC(isp, chan, atpool, atpool); 926 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 927 if (atp->state == ATPD_STATE_FREE) 928 continue; 929 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", 930 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]); 931 } 932} 933 934static inot_private_data_t * 935isp_get_ntpd(ispsoftc_t *isp, int chan) 936{ 937 struct ntpdlist *ntfree; 938 inot_private_data_t *ntp; 939 940 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 941 ntp = STAILQ_FIRST(ntfree); 942 if (ntp) 943 STAILQ_REMOVE_HEAD(ntfree, next); 944 return (ntp); 945} 946 947static inot_private_data_t * 948isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 949{ 950 inot_private_data_t *ntp, *ntp2; 951 952 ISP_GET_PC(isp, chan, ntpool, ntp); 953 ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2); 954 for (; ntp < ntp2; ntp++) { 955 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 956 return (ntp); 957 } 958 return (NULL); 959} 960 961static void 962isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 963{ 964 struct ntpdlist *ntfree; 965 966 ntp->tag_id = ntp->seq_id = 0; 967 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 968 STAILQ_INSERT_HEAD(ntfree, ntp, next); 969} 970 971static cam_status 972create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 973{ 974 lun_id_t lun; 975 struct tslist *lhp; 976 tstate_t *tptr; 977 978 lun = xpt_path_lun_id(path); 979 if (lun != CAM_LUN_WILDCARD) { 980 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) { 981 return (CAM_LUN_INVALID); 982 } 983 } 984 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 985 if (tptr == NULL) { 986 return (CAM_RESRC_UNAVAIL); 987 } 988 tptr->ts_lun = lun; 989 SLIST_INIT(&tptr->atios); 990 SLIST_INIT(&tptr->inots); 991 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 992 SLIST_INSERT_HEAD(lhp, tptr, next); 993 *rslt = tptr; 994 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 995 return (CAM_REQ_CMP); 996} 997 998static void 999destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 1000{ 1001 union ccb *ccb; 1002 struct tslist *lhp; 1003 inot_private_data_t *ntp; 1004 1005 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 1006 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1007 ccb->ccb_h.status = CAM_REQ_ABORTED; 1008 xpt_done(ccb); 1009 }; 1010 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 1011 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 1012 ccb->ccb_h.status = CAM_REQ_ABORTED; 1013 xpt_done(ccb); 1014 } 1015 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 1016 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 1017 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 1018 isp_put_ntpd(isp, bus, ntp); 1019 } 1020 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 1021 SLIST_REMOVE(lhp, tptr, tstate, next); 1022 free(tptr, M_DEVBUF); 1023} 1024 1025static void 1026isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1027{ 1028 tstate_t *tptr; 1029 int bus; 1030 target_id_t target; 1031 lun_id_t lun; 1032 1033 if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) { 1034 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n"); 1035 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1036 xpt_done(ccb); 1037 return; 1038 } 1039 1040 /* 1041 * We only support either target and lun both wildcard 1042 * or target and lun both non-wildcard. 1043 */ 1044 bus = XS_CHANNEL(ccb); 1045 target = ccb->ccb_h.target_id; 1046 lun = ccb->ccb_h.target_lun; 1047 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1048 "enabling lun %jx\n", (uintmax_t)lun); 1049 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1050 ccb->ccb_h.status = CAM_LUN_INVALID; 1051 xpt_done(ccb); 1052 return; 1053 } 1054 1055 /* Create the state pointer. It should not already exist. */ 1056 tptr = get_lun_statep(isp, bus, lun); 1057 if (tptr) { 1058 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1059 xpt_done(ccb); 1060 return; 1061 } 1062 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1063 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1064 xpt_done(ccb); 1065 return; 1066 } 1067 1068 ccb->ccb_h.status = CAM_REQ_CMP; 1069 xpt_done(ccb); 1070} 1071 1072static void 1073isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1074{ 1075 tstate_t *tptr = NULL; 1076 int bus; 1077 target_id_t target; 1078 lun_id_t lun; 1079 1080 bus = XS_CHANNEL(ccb); 1081 target = ccb->ccb_h.target_id; 1082 lun = ccb->ccb_h.target_lun; 1083 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1084 "disabling lun %jx\n", (uintmax_t)lun); 1085 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1086 ccb->ccb_h.status = CAM_LUN_INVALID; 1087 xpt_done(ccb); 1088 return; 1089 } 1090 1091 /* Find the state pointer. */ 1092 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1093 ccb->ccb_h.status = CAM_PATH_INVALID; 1094 xpt_done(ccb); 1095 return; 1096 } 1097 1098 destroy_lun_state(isp, bus, tptr); 1099 ccb->ccb_h.status = CAM_REQ_CMP; 1100 xpt_done(ccb); 1101} 1102 1103static void 1104isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1105{ 1106 int fctape, sendstatus, resid; 1107 fcparam *fcp; 1108 atio_private_data_t *atp; 1109 struct ccb_scsiio *cso; 1110 struct isp_ccbq *waitq; 1111 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1112 uint8_t local[QENTRY_LEN]; 1113 1114 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, 1115 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1116 1117 ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq); 1118 switch (how) { 1119 case FROM_CAM: 1120 /* 1121 * Insert at the tail of the list, if any, waiting CTIO CCBs 1122 */ 1123 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, periph_links.tqe); 1124 break; 1125 case FROM_TIMER: 1126 case FROM_SRR: 1127 case FROM_CTIO_DONE: 1128 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe); 1129 break; 1130 } 1131 1132 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 1133 TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe); 1134 1135 cso = &ccb->csio; 1136 xfrlen = cso->dxfer_len; 1137 if (xfrlen == 0) { 1138 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1139 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1140 ccb->ccb_h.status = CAM_REQ_INVALID; 1141 xpt_done(ccb); 1142 continue; 1143 } 1144 } 1145 1146 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 1147 if (atp == NULL) { 1148 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1149 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 1150 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1151 xpt_done(ccb); 1152 continue; 1153 } 1154 1155 /* 1156 * Is this command a dead duck? 1157 */ 1158 if (atp->dead) { 1159 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1160 ccb->ccb_h.status = CAM_REQ_ABORTED; 1161 xpt_done(ccb); 1162 continue; 1163 } 1164 1165 /* 1166 * Check to make sure we're still in target mode. 1167 */ 1168 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1169 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1170 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1171 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1172 xpt_done(ccb); 1173 continue; 1174 } 1175 1176 /* 1177 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1178 * could be split into two CTIOs to split data and status). 1179 */ 1180 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1181 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); 1182 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe); 1183 break; 1184 } 1185 1186 /* 1187 * Does the initiator expect FC-Tape style responses? 1188 */ 1189 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1190 fctape = 1; 1191 } else { 1192 fctape = 0; 1193 } 1194 1195 /* 1196 * If we already did the data xfer portion of a CTIO that sends data 1197 * and status, don't do it again and do the status portion now. 1198 */ 1199 if (atp->sendst) { 1200 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1201 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1202 xfrlen = 0; /* we already did the data transfer */ 1203 atp->sendst = 0; 1204 } 1205 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1206 sendstatus = 1; 1207 } else { 1208 sendstatus = 0; 1209 } 1210 1211 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1212 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1213 /* 1214 * Sense length is not the entire sense data structure size. Periph 1215 * drivers don't seem to be setting sense_len to reflect the actual 1216 * size. We'll peek inside to get the right amount. 1217 */ 1218 sense_length = cso->sense_len; 1219 1220 /* 1221 * This 'cannot' happen 1222 */ 1223 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1224 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1225 } 1226 } else { 1227 sense_length = 0; 1228 } 1229 1230 memset(local, 0, QENTRY_LEN); 1231 1232 /* 1233 * Check for overflow 1234 */ 1235 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1236 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1237 isp_prt(isp, ISP_LOGERR, 1238 "%s: [0x%x] data overflow by %u bytes", __func__, 1239 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1240 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1241 xpt_done(ccb); 1242 continue; 1243 } 1244 if (xfrlen > atp->orig_datalen - tmp) { 1245 xfrlen = atp->orig_datalen - tmp; 1246 if (xfrlen == 0 && !sendstatus) { 1247 cso->resid = cso->dxfer_len; 1248 ccb->ccb_h.status = CAM_REQ_CMP; 1249 xpt_done(ccb); 1250 continue; 1251 } 1252 } 1253 1254 if (IS_24XX(isp)) { 1255 ct7_entry_t *cto = (ct7_entry_t *) local; 1256 1257 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1258 cto->ct_header.rqs_entry_count = 1; 1259 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1260 ATPD_SET_SEQNO(cto, atp); 1261 cto->ct_nphdl = atp->nphdl; 1262 cto->ct_rxid = atp->tag; 1263 cto->ct_iid_lo = atp->sid; 1264 cto->ct_iid_hi = atp->sid >> 16; 1265 cto->ct_oxid = atp->oxid; 1266 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1267 cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000; 1268 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1269 1270 /* 1271 * Mode 1, status, no data. Only possible when we are sending status, have 1272 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1273 * 1274 * Mode 2, status, no data. We have to use this in the case that 1275 * the sense data won't fit into a ct7_entry_t. 1276 * 1277 */ 1278 if (sendstatus && xfrlen == 0) { 1279 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1280 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1281 if (sense_length <= MAXRESPLEN_24XX) { 1282 cto->ct_flags |= CT7_FLAG_MODE1; 1283 cto->ct_scsi_status = cso->scsi_status; 1284 if (resid < 0) { 1285 cto->ct_resid = -resid; 1286 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1287 } else if (resid > 0) { 1288 cto->ct_resid = resid; 1289 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1290 } 1291 if (fctape) { 1292 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1293 } 1294 if (sense_length) { 1295 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1296 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1297 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1298 } 1299 } else { 1300 bus_addr_t addr; 1301 char buf[XCMD_SIZE]; 1302 fcp_rsp_iu_t *rp; 1303 1304 if (atp->ests == NULL) { 1305 atp->ests = isp_get_ecmd(isp); 1306 if (atp->ests == NULL) { 1307 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe); 1308 break; 1309 } 1310 } 1311 memset(buf, 0, sizeof (buf)); 1312 rp = (fcp_rsp_iu_t *)buf; 1313 if (fctape) { 1314 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1315 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1316 } 1317 cto->ct_flags |= CT7_FLAG_MODE2; 1318 rp->fcp_rsp_scsi_status = cso->scsi_status; 1319 if (resid < 0) { 1320 rp->fcp_rsp_resid = -resid; 1321 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1322 } else if (resid > 0) { 1323 rp->fcp_rsp_resid = resid; 1324 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1325 } 1326 if (sense_length) { 1327 rp->fcp_rsp_snslen = sense_length; 1328 cto->ct_senselen = sense_length; 1329 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1330 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1331 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1332 } else { 1333 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1334 } 1335 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1336 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1337 } 1338 addr = isp->isp_osinfo.ecmd_dma; 1339 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1340 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, 1341 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1342 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1343 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1344 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1345 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1346 } 1347 if (sense_length) { 1348 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__, 1349 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, 1350 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1351 } else { 1352 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1353 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1354 } 1355 atp->state = ATPD_STATE_LAST_CTIO; 1356 } 1357 1358 /* 1359 * Mode 0 data transfers, *possibly* with status. 1360 */ 1361 if (xfrlen != 0) { 1362 cto->ct_flags |= CT7_FLAG_MODE0; 1363 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1364 cto->ct_flags |= CT7_DATA_IN; 1365 } else { 1366 cto->ct_flags |= CT7_DATA_OUT; 1367 } 1368 1369 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1370 cto->rsp.m0.ct_xfrlen = xfrlen; 1371 1372#ifdef DEBUG 1373 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1374 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1375 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1376 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1377 } 1378#endif 1379 if (sendstatus) { 1380 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1381 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1382 cto->ct_flags |= CT7_SENDSTATUS; 1383 atp->state = ATPD_STATE_LAST_CTIO; 1384 if (fctape) { 1385 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1386 } 1387 } else { 1388 atp->sendst = 1; /* send status later */ 1389 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1390 atp->state = ATPD_STATE_CTIO; 1391 } 1392 } else { 1393 atp->state = ATPD_STATE_CTIO; 1394 } 1395 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__, 1396 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1397 } 1398 } else { 1399 ct2_entry_t *cto = (ct2_entry_t *) local; 1400 1401 if (isp->isp_osinfo.sixtyfourbit) 1402 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3; 1403 else 1404 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1405 cto->ct_header.rqs_entry_count = 1; 1406 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1407 ATPD_SET_SEQNO(cto, atp); 1408 if (ISP_CAP_2KLOGIN(isp)) { 1409 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl; 1410 } else { 1411 cto->ct_iid = atp->nphdl; 1412 if (ISP_CAP_SCCFW(isp) == 0) { 1413 cto->ct_lun = ccb->ccb_h.target_lun; 1414 } 1415 } 1416 cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000; 1417 cto->ct_rxid = cso->tag_id; 1418 1419 /* 1420 * Mode 1, status, no data. Only possible when we are sending status, have 1421 * no data to transfer, and the sense length can fit in the ct7_entry. 1422 * 1423 * Mode 2, status, no data. We have to use this in the case the response 1424 * length won't fit into a ct2_entry_t. 1425 * 1426 * We'll fill out this structure with information as if this were a 1427 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1428 * needed based upon this. 1429 */ 1430 if (sendstatus && xfrlen == 0) { 1431 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1432 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1433 if (sense_length <= MAXRESPLEN) { 1434 if (resid < 0) { 1435 cto->ct_resid = -resid; 1436 } else if (resid > 0) { 1437 cto->ct_resid = resid; 1438 } 1439 cto->ct_flags |= CT2_FLAG_MODE1; 1440 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1441 if (resid < 0) { 1442 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1443 } else if (resid > 0) { 1444 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1445 } 1446 if (fctape) { 1447 cto->ct_flags |= CT2_CONFIRM; 1448 } 1449 if (sense_length) { 1450 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1451 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1452 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1453 } 1454 } else { 1455 bus_addr_t addr; 1456 char buf[XCMD_SIZE]; 1457 fcp_rsp_iu_t *rp; 1458 1459 if (atp->ests == NULL) { 1460 atp->ests = isp_get_ecmd(isp); 1461 if (atp->ests == NULL) { 1462 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe); 1463 break; 1464 } 1465 } 1466 memset(buf, 0, sizeof (buf)); 1467 rp = (fcp_rsp_iu_t *)buf; 1468 if (fctape) { 1469 cto->ct_flags |= CT2_CONFIRM; 1470 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1471 } 1472 cto->ct_flags |= CT2_FLAG_MODE2; 1473 rp->fcp_rsp_scsi_status = cso->scsi_status; 1474 if (resid < 0) { 1475 rp->fcp_rsp_resid = -resid; 1476 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1477 } else if (resid > 0) { 1478 rp->fcp_rsp_resid = resid; 1479 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1480 } 1481 if (sense_length) { 1482 rp->fcp_rsp_snslen = sense_length; 1483 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1484 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1485 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1486 } else { 1487 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1488 } 1489 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1490 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1491 } 1492 addr = isp->isp_osinfo.ecmd_dma; 1493 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1494 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, 1495 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1496 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1497 if (cto->ct_header.rqs_entry_type == RQSTYPE_CTIO3) { 1498 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr); 1499 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr); 1500 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1501 } else { 1502 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 1503 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1504 } 1505 } 1506 if (sense_length) { 1507 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__, 1508 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, 1509 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1510 } else { 1511 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, 1512 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid); 1513 } 1514 atp->state = ATPD_STATE_LAST_CTIO; 1515 } 1516 1517 if (xfrlen != 0) { 1518 cto->ct_flags |= CT2_FLAG_MODE0; 1519 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1520 cto->ct_flags |= CT2_DATA_IN; 1521 } else { 1522 cto->ct_flags |= CT2_DATA_OUT; 1523 } 1524 1525 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit; 1526 cto->rsp.m0.ct_xfrlen = xfrlen; 1527 1528 if (sendstatus) { 1529 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1530 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) { 1531 cto->ct_flags |= CT2_SENDSTATUS; 1532 atp->state = ATPD_STATE_LAST_CTIO; 1533 if (fctape) { 1534 cto->ct_flags |= CT2_CONFIRM; 1535 } 1536 } else { 1537 atp->sendst = 1; /* send status later */ 1538 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1539 atp->state = ATPD_STATE_CTIO; 1540 } 1541 } else { 1542 atp->state = ATPD_STATE_CTIO; 1543 } 1544 } 1545 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, 1546 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); 1547 } 1548 1549 if (isp_get_pcmd(isp, ccb)) { 1550 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1551 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe); 1552 break; 1553 } 1554 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1555 if (handle == 0) { 1556 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1557 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe); 1558 isp_free_pcmd(isp, ccb); 1559 break; 1560 } 1561 atp->bytes_in_transit += xfrlen; 1562 PISP_PCMD(ccb)->datalen = xfrlen; 1563 1564 1565 /* 1566 * Call the dma setup routines for this entry (and any subsequent 1567 * CTIOs) if there's data to move, and then tell the f/w it's got 1568 * new things to play with. As with isp_start's usage of DMA setup, 1569 * any swizzling is done in the machine dependent layer. Because 1570 * of this, we put the request onto the queue area first in native 1571 * format. 1572 */ 1573 1574 if (IS_24XX(isp)) { 1575 ct7_entry_t *cto = (ct7_entry_t *) local; 1576 cto->ct_syshandle = handle; 1577 } else { 1578 ct2_entry_t *cto = (ct2_entry_t *) local; 1579 cto->ct_syshandle = handle; 1580 } 1581 1582 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local); 1583 if (dmaresult != CMD_QUEUED) { 1584 isp_destroy_handle(isp, handle); 1585 isp_free_pcmd(isp, ccb); 1586 if (dmaresult == CMD_EAGAIN) { 1587 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe); 1588 break; 1589 } 1590 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1591 xpt_done(ccb); 1592 continue; 1593 } 1594 isp->isp_nactive++; 1595 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1596 if (xfrlen) { 1597 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1598 } else { 1599 ccb->ccb_h.spriv_field0 = ~0; 1600 } 1601 atp->ctcnt++; 1602 atp->seqno++; 1603 } 1604} 1605 1606static void 1607isp_refire_putback_atio(void *arg) 1608{ 1609 union ccb *ccb = arg; 1610 1611 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb)); 1612 isp_target_putback_atio(ccb); 1613} 1614 1615static void 1616isp_refire_notify_ack(void *arg) 1617{ 1618 isp_tna_t *tp = arg; 1619 ispsoftc_t *isp = tp->isp; 1620 1621 ISP_ASSERT_LOCKED(isp); 1622 if (isp_notify_ack(isp, tp->not)) { 1623 callout_schedule(&tp->timer, 5); 1624 } else { 1625 free(tp, M_DEVBUF); 1626 } 1627} 1628 1629 1630static void 1631isp_target_putback_atio(union ccb *ccb) 1632{ 1633 ispsoftc_t *isp = XS_ISP(ccb); 1634 struct ccb_scsiio *cso = &ccb->csio; 1635 at2_entry_t local, *at = &local; 1636 1637 ISP_MEMZERO(at, sizeof (at2_entry_t)); 1638 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 1639 at->at_header.rqs_entry_count = 1; 1640 if (ISP_CAP_SCCFW(isp)) { 1641 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 1642 } else { 1643 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 1644 } 1645 at->at_status = CT_OK; 1646 at->at_rxid = cso->tag_id; 1647 at->at_iid = cso->ccb_h.target_id; 1648 if (isp_target_put_entry(isp, at)) { 1649 callout_reset(&PISP_PCMD(ccb)->wdog, 10, 1650 isp_refire_putback_atio, ccb); 1651 } else 1652 isp_complete_ctio(ccb); 1653} 1654 1655static void 1656isp_complete_ctio(union ccb *ccb) 1657{ 1658 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1659 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1660 xpt_done(ccb); 1661 } 1662} 1663 1664static void 1665isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep) 1666{ 1667 fcparam *fcp; 1668 lun_id_t lun; 1669 fcportdb_t *lp; 1670 tstate_t *tptr; 1671 struct ccb_accept_tio *atiop; 1672 uint16_t nphdl; 1673 atio_private_data_t *atp; 1674 inot_private_data_t *ntp; 1675 1676 /* 1677 * The firmware status (except for the QLTM_SVALID bit) 1678 * indicates why this ATIO was sent to us. 1679 * 1680 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 1681 */ 1682 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 1683 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status); 1684 isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0); 1685 return; 1686 } 1687 1688 fcp = FCPARAM(isp, 0); 1689 if (ISP_CAP_SCCFW(isp)) { 1690 lun = aep->at_scclun; 1691 } else { 1692 lun = aep->at_lun; 1693 } 1694 if (ISP_CAP_2KLOGIN(isp)) { 1695 nphdl = ((at2e_entry_t *)aep)->at_iid; 1696 } else { 1697 nphdl = aep->at_iid; 1698 } 1699 tptr = get_lun_statep(isp, 0, lun); 1700 if (tptr == NULL) { 1701 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 1702 if (tptr == NULL) { 1703 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun); 1704 if (lun == 0) { 1705 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1706 } else { 1707 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1708 } 1709 return; 1710 } 1711 } 1712 1713 /* 1714 * Start any commands pending resources first. 1715 */ 1716 if (isp_atio_restart(isp, 0, tptr)) 1717 goto noresrc; 1718 1719 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1720 if (atiop == NULL) { 1721 goto noresrc; 1722 } 1723 1724 atp = isp_get_atpd(isp, 0, aep->at_rxid); 1725 if (atp == NULL) { 1726 goto noresrc; 1727 } 1728 1729 atp->state = ATPD_STATE_ATIO; 1730 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1731 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1732 atiop->ccb_h.target_id = fcp->isp_loopid; 1733 atiop->ccb_h.target_lun = lun; 1734 1735 /* 1736 * We don't get 'suggested' sense data as we do with SCSI cards. 1737 */ 1738 atiop->sense_len = 0; 1739 1740 /* 1741 * If we're not in the port database, add ourselves. 1742 */ 1743 if (IS_2100(isp)) 1744 atiop->init_id = nphdl; 1745 else { 1746 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) { 1747 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp); 1748 } else { 1749 isp_prt(isp, ISP_LOGTINFO, "%s: port %x isn't in PDB", 1750 __func__, nphdl); 1751 isp_dump_portdb(isp, 0); 1752 isp_endcmd(isp, aep, NIL_HANDLE, 0, ECMD_TERMINATE, 0); 1753 return; 1754 } 1755 } 1756 atiop->cdb_len = ATIO2_CDBLEN; 1757 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 1758 atiop->ccb_h.status = CAM_CDB_RECVD; 1759 atiop->tag_id = atp->tag; 1760 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 1761 case ATIO2_TC_ATTR_SIMPLEQ: 1762 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1763 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1764 break; 1765 case ATIO2_TC_ATTR_HEADOFQ: 1766 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1767 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1768 break; 1769 case ATIO2_TC_ATTR_ORDERED: 1770 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1771 atiop->tag_action = MSG_ORDERED_Q_TAG; 1772 break; 1773 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 1774 case ATIO2_TC_ATTR_UNTAGGED: 1775 default: 1776 atiop->tag_action = 0; 1777 break; 1778 } 1779 1780 atp->orig_datalen = aep->at_datalen; 1781 atp->bytes_xfered = 0; 1782 atp->lun = lun; 1783 atp->nphdl = nphdl; 1784 atp->sid = PORT_ANY; 1785 atp->oxid = aep->at_oxid; 1786 atp->cdb0 = aep->at_cdb[0]; 1787 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 1788 atp->state = ATPD_STATE_CAM; 1789 xpt_done((union ccb *)atiop); 1790 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen); 1791 return; 1792noresrc: 1793 ntp = isp_get_ntpd(isp, 0); 1794 if (ntp == NULL) { 1795 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1796 return; 1797 } 1798 memcpy(ntp->data, aep, QENTRY_LEN); 1799 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1800} 1801 1802static void 1803isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1804{ 1805 int cdbxlen; 1806 lun_id_t lun; 1807 uint16_t chan, nphdl = NIL_HANDLE; 1808 uint32_t did, sid; 1809 fcportdb_t *lp; 1810 tstate_t *tptr; 1811 struct ccb_accept_tio *atiop; 1812 atio_private_data_t *atp = NULL; 1813 atio_private_data_t *oatp; 1814 inot_private_data_t *ntp; 1815 1816 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1817 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1818 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1819 1820 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1821 /* Channel has to be derived from D_ID */ 1822 isp_find_chan_by_did(isp, did, &chan); 1823 if (chan == ISP_NOCHAN) { 1824 isp_prt(isp, ISP_LOGWARN, 1825 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1826 __func__, aep->at_rxid, did); 1827 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1828 ECMD_TERMINATE, 0); 1829 return; 1830 } 1831 } else { 1832 chan = 0; 1833 } 1834 1835 /* 1836 * Find the PDB entry for this initiator 1837 */ 1838 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1839 /* 1840 * If we're not in the port database terminate the exchange. 1841 */ 1842 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", 1843 __func__, aep->at_rxid, did, chan, sid); 1844 isp_dump_portdb(isp, chan); 1845 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1846 return; 1847 } 1848 nphdl = lp->handle; 1849 1850 /* 1851 * Get the tstate pointer 1852 */ 1853 tptr = get_lun_statep(isp, chan, lun); 1854 if (tptr == NULL) { 1855 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1856 if (tptr == NULL) { 1857 isp_prt(isp, ISP_LOGWARN, 1858 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1859 __func__, aep->at_rxid, (uintmax_t)lun); 1860 if (lun == 0) { 1861 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1862 } else { 1863 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1864 } 1865 return; 1866 } 1867 } 1868 1869 /* 1870 * Start any commands pending resources first. 1871 */ 1872 if (isp_atio_restart(isp, chan, tptr)) 1873 goto noresrc; 1874 1875 /* 1876 * If the f/w is out of resources, just send a BUSY status back. 1877 */ 1878 if (aep->at_rxid == AT7_NORESRC_RXID) { 1879 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1880 return; 1881 } 1882 1883 /* 1884 * If we're out of resources, just send a BUSY status back. 1885 */ 1886 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1887 if (atiop == NULL) { 1888 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1889 goto noresrc; 1890 } 1891 1892 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1893 if (oatp) { 1894 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", 1895 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1896 /* 1897 * It's not a "no resource" condition- but we can treat it like one 1898 */ 1899 goto noresrc; 1900 } 1901 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1902 if (atp == NULL) { 1903 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1904 goto noresrc; 1905 } 1906 atp->word3 = lp->prli_word3; 1907 atp->state = ATPD_STATE_ATIO; 1908 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1909 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1910 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1911 atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid; 1912 atiop->ccb_h.target_lun = lun; 1913 atiop->sense_len = 0; 1914 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1915 if (cdbxlen) { 1916 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1917 } 1918 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1919 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1920 atiop->cdb_len = cdbxlen; 1921 atiop->ccb_h.status = CAM_CDB_RECVD; 1922 atiop->tag_id = atp->tag; 1923 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1924 case FCP_CMND_TASK_ATTR_SIMPLE: 1925 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1926 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1927 break; 1928 case FCP_CMND_TASK_ATTR_HEAD: 1929 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1930 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1931 break; 1932 case FCP_CMND_TASK_ATTR_ORDERED: 1933 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1934 atiop->tag_action = MSG_ORDERED_Q_TAG; 1935 break; 1936 default: 1937 /* FALLTHROUGH */ 1938 case FCP_CMND_TASK_ATTR_ACA: 1939 case FCP_CMND_TASK_ATTR_UNTAGGED: 1940 atiop->tag_action = 0; 1941 break; 1942 } 1943 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1944 atp->bytes_xfered = 0; 1945 atp->lun = lun; 1946 atp->nphdl = nphdl; 1947 atp->sid = sid; 1948 atp->did = did; 1949 atp->oxid = aep->at_hdr.ox_id; 1950 atp->rxid = aep->at_hdr.rx_id; 1951 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1952 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1953 atp->state = ATPD_STATE_CAM; 1954 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1955 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1956 xpt_done((union ccb *)atiop); 1957 return; 1958noresrc: 1959 if (atp) 1960 isp_put_atpd(isp, chan, atp); 1961 ntp = isp_get_ntpd(isp, chan); 1962 if (ntp == NULL) { 1963 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1964 return; 1965 } 1966 memcpy(ntp->data, aep, QENTRY_LEN); 1967 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1968} 1969 1970 1971/* 1972 * Handle starting an SRR (sequence retransmit request) 1973 * We get here when we've gotten the immediate notify 1974 * and the return of all outstanding CTIOs for this 1975 * transaction. 1976 */ 1977static void 1978isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1979{ 1980 in_fcentry_24xx_t *inot; 1981 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1982 union ccb *ccb; 1983 1984 inot = (in_fcentry_24xx_t *)atp->srr; 1985 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1986 ccb = atp->srr_ccb; 1987 atp->srr_ccb = NULL; 1988 atp->nsrr++; 1989 if (ccb == NULL) { 1990 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1991 goto fail; 1992 } 1993 1994 ccb_off = ccb->ccb_h.spriv_field0; 1995 ccb_len = ccb->csio.dxfer_len; 1996 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1997 1998 switch (inot->in_srr_iu) { 1999 case R_CTL_INFO_SOLICITED_DATA: 2000 /* 2001 * We have to restart a FCP_DATA data out transaction 2002 */ 2003 atp->sendst = 0; 2004 atp->bytes_xfered = srr_off; 2005 if (ccb_len == 0) { 2006 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 2007 goto mdp; 2008 } 2009 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 2010 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); 2011 goto mdp; 2012 } 2013 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); 2014 break; 2015 case R_CTL_INFO_COMMAND_STATUS: 2016 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 2017 atp->sendst = 1; 2018 /* 2019 * We have to restart a FCP_RSP IU transaction 2020 */ 2021 break; 2022 case R_CTL_INFO_DATA_DESCRIPTOR: 2023 /* 2024 * We have to restart an FCP DATA in transaction 2025 */ 2026 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 2027 goto fail; 2028 2029 default: 2030 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 2031 goto fail; 2032 } 2033 2034 /* 2035 * We can't do anything until this is acked, so we might as well start it now. 2036 * We aren't going to do the usual asynchronous ack issue because we need 2037 * to make sure this gets on the wire first. 2038 */ 2039 if (isp_notify_ack(isp, inot)) { 2040 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2041 goto fail; 2042 } 2043 isp_target_start_ctio(isp, ccb, FROM_SRR); 2044 return; 2045fail: 2046 inot->in_reserved = 1; 2047 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2048 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2049 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2050 isp_complete_ctio(ccb); 2051 return; 2052mdp: 2053 if (isp_notify_ack(isp, inot)) { 2054 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2055 goto fail; 2056 } 2057 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2058 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2059 /* 2060 * This is not a strict interpretation of MDP, but it's close 2061 */ 2062 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2063 ccb->csio.msg_len = 7; 2064 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2065 ccb->csio.msg_ptr[1] = 5; 2066 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2067 ccb->csio.msg_ptr[3] = srr_off >> 24; 2068 ccb->csio.msg_ptr[4] = srr_off >> 16; 2069 ccb->csio.msg_ptr[5] = srr_off >> 8; 2070 ccb->csio.msg_ptr[6] = srr_off; 2071 isp_complete_ctio(ccb); 2072} 2073 2074 2075static void 2076isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 2077{ 2078 in_fcentry_24xx_t *inot = notify->nt_lreserved; 2079 atio_private_data_t *atp; 2080 uint32_t tag = notify->nt_tagval & 0xffffffff; 2081 2082 atp = isp_find_atpd(isp, notify->nt_channel, tag); 2083 if (atp == NULL) { 2084 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 2085 __func__, tag); 2086 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2087 return; 2088 } 2089 atp->srr_notify_rcvd = 1; 2090 memcpy(atp->srr, inot, sizeof (atp->srr)); 2091 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 2092 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 2093 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 2094 if (atp->srr_ccb) 2095 isp_handle_srr_start(isp, atp); 2096} 2097 2098static void 2099isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2100{ 2101 union ccb *ccb; 2102 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 2103 atio_private_data_t *atp = NULL; 2104 int bus; 2105 uint32_t handle, data_requested, resid; 2106 2107 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2108 ccb = isp_find_xs(isp, handle); 2109 if (ccb == NULL) { 2110 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2111 return; 2112 } 2113 isp_destroy_handle(isp, handle); 2114 resid = data_requested = PISP_PCMD(ccb)->datalen; 2115 isp_free_pcmd(isp, ccb); 2116 if (isp->isp_nactive) { 2117 isp->isp_nactive--; 2118 } 2119 2120 bus = XS_CHANNEL(ccb); 2121 if (IS_24XX(isp)) { 2122 atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid); 2123 } else { 2124 atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid); 2125 } 2126 if (atp == NULL) { 2127 /* 2128 * XXX: isp_clear_commands() generates fake CTIO with zero 2129 * ct_rxid value, filling only ct_syshandle. Workaround 2130 * that using tag_id from the CCB, pointed by ct_syshandle. 2131 */ 2132 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 2133 } 2134 if (atp == NULL) { 2135 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2136 return; 2137 } 2138 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2139 atp->bytes_in_transit -= data_requested; 2140 atp->ctcnt -= 1; 2141 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2142 2143 if (IS_24XX(isp)) { 2144 ct7_entry_t *ct = arg; 2145 2146 if (ct->ct_nphdl == CT7_SRR) { 2147 atp->srr_ccb = ccb; 2148 if (atp->srr_notify_rcvd) 2149 isp_handle_srr_start(isp, atp); 2150 return; 2151 } 2152 if (ct->ct_nphdl == CT_HBA_RESET) { 2153 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2154 (atp->sendst == 0); 2155 failure = CAM_UNREC_HBA_ERROR; 2156 } else { 2157 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 2158 ok = (ct->ct_nphdl == CT7_OK); 2159 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2160 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 2161 resid = ct->ct_resid; 2162 } 2163 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), 2164 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2165 } else { 2166 ct2_entry_t *ct = arg; 2167 if (ct->ct_status == CT_SRR) { 2168 atp->srr_ccb = ccb; 2169 if (atp->srr_notify_rcvd) 2170 isp_handle_srr_start(isp, atp); 2171 isp_target_putback_atio(ccb); 2172 return; 2173 } 2174 if (ct->ct_status == CT_HBA_RESET) { 2175 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2176 (atp->sendst == 0); 2177 failure = CAM_UNREC_HBA_ERROR; 2178 } else { 2179 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 2180 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 2181 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2182 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) 2183 resid = ct->ct_resid; 2184 } 2185 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), 2186 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2187 } 2188 if (ok) { 2189 if (data_requested > 0) { 2190 atp->bytes_xfered += data_requested - resid; 2191 ccb->csio.resid = ccb->csio.dxfer_len - 2192 (data_requested - resid); 2193 } 2194 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 2195 ccb->ccb_h.status |= CAM_SENT_SENSE; 2196 ccb->ccb_h.status |= CAM_REQ_CMP; 2197 } else { 2198 notify_cam = 1; 2199 if (failure == CAM_UNREC_HBA_ERROR) 2200 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 2201 else 2202 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2203 } 2204 atp->state = ATPD_STATE_PDON; 2205 2206 /* 2207 * We never *not* notify CAM when there has been any error (ok == 0), 2208 * so we never need to do an ATIO putback if we're not notifying CAM. 2209 */ 2210 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 2211 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 2212 if (notify_cam == 0) { 2213 if (atp->sendst) { 2214 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 2215 } 2216 return; 2217 } 2218 2219 /* 2220 * We are done with this ATIO if we successfully sent status. 2221 * In all other cases expect either another CTIO or XPT_ABORT. 2222 */ 2223 if (ok && sentstatus) 2224 isp_put_atpd(isp, bus, atp); 2225 2226 /* 2227 * We're telling CAM we're done with this CTIO transaction. 2228 * 2229 * 24XX cards never need an ATIO put back. 2230 * 2231 * Other cards need one put back only on error. 2232 * In the latter case, a timeout will re-fire 2233 * and try again in case we didn't have 2234 * queue resources to do so at first. In any case, 2235 * once the putback is done we do the completion 2236 * call. 2237 */ 2238 if (ok || IS_24XX(isp)) { 2239 isp_complete_ctio(ccb); 2240 } else { 2241 isp_target_putback_atio(ccb); 2242 } 2243} 2244 2245static int 2246isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 2247{ 2248 2249 if (isp->isp_state != ISP_RUNSTATE) { 2250 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 2251 return (0); 2252 } 2253 2254 /* 2255 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 2256 */ 2257 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 2258 ct7_entry_t local, *cto = &local; 2259 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 2260 fcportdb_t *lp; 2261 uint32_t sid; 2262 uint16_t nphdl; 2263 2264 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2265 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 2266 nphdl = lp->handle; 2267 } else { 2268 nphdl = NIL_HANDLE; 2269 } 2270 ISP_MEMZERO(&local, sizeof (local)); 2271 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2272 cto->ct_header.rqs_entry_count = 1; 2273 cto->ct_nphdl = nphdl; 2274 cto->ct_rxid = aep->at_rxid; 2275 cto->ct_vpidx = mp->nt_channel; 2276 cto->ct_iid_lo = sid; 2277 cto->ct_iid_hi = sid >> 16; 2278 cto->ct_oxid = aep->at_hdr.ox_id; 2279 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 2280 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 2281 if (rsp != 0) { 2282 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 2283 cto->rsp.m1.ct_resplen = 4; 2284 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 2285 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 2286 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 2287 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 2288 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 2289 } 2290 return (isp_target_put_entry(isp, &local)); 2291 } 2292 2293 /* 2294 * This case is for a responding to an ABTS frame 2295 */ 2296 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2297 2298 /* 2299 * Overload nt_need_ack here to mark whether we've terminated the associated command. 2300 */ 2301 if (mp->nt_need_ack) { 2302 uint8_t storage[QENTRY_LEN]; 2303 ct7_entry_t *cto = (ct7_entry_t *) storage; 2304 abts_t *abts = (abts_t *)mp->nt_lreserved; 2305 2306 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2307 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 2308 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2309 cto->ct_header.rqs_entry_count = 1; 2310 cto->ct_nphdl = mp->nt_nphdl; 2311 cto->ct_rxid = abts->abts_rxid_task; 2312 cto->ct_iid_lo = mp->nt_sid; 2313 cto->ct_iid_hi = mp->nt_sid >> 16; 2314 cto->ct_oxid = abts->abts_ox_id; 2315 cto->ct_vpidx = mp->nt_channel; 2316 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2317 if (isp_target_put_entry(isp, cto)) { 2318 return (ENOMEM); 2319 } 2320 mp->nt_need_ack = 0; 2321 } 2322 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 2323 return (ENOMEM); 2324 } else { 2325 return (0); 2326 } 2327 } 2328 2329 /* 2330 * Handle logout cases here 2331 */ 2332 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 2333 isp_del_all_wwn_entries(isp, mp->nt_channel); 2334 } 2335 2336 if (mp->nt_ncode == NT_LOGOUT) { 2337 if (!IS_2100(isp) && IS_FC(isp)) { 2338 isp_del_wwn_entries(isp, mp); 2339 } 2340 } 2341 2342 /* 2343 * General purpose acknowledgement 2344 */ 2345 if (mp->nt_need_ack) { 2346 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 2347 /* 2348 * Don't need to use the guaranteed send because the caller can retry 2349 */ 2350 return (isp_notify_ack(isp, mp->nt_lreserved)); 2351 } 2352 return (0); 2353} 2354 2355/* 2356 * Handle task management functions. 2357 * 2358 * We show up here with a notify structure filled out. 2359 * 2360 * The nt_lreserved tag points to the original queue entry 2361 */ 2362static void 2363isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 2364{ 2365 tstate_t *tptr; 2366 fcportdb_t *lp; 2367 struct ccb_immediate_notify *inot; 2368 inot_private_data_t *ntp = NULL; 2369 atio_private_data_t *atp; 2370 lun_id_t lun; 2371 2372 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %x", __func__, notify->nt_ncode, 2373 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 2374 if (notify->nt_lun == LUN_ANY) { 2375 if (notify->nt_tagval == TAG_ANY) { 2376 lun = CAM_LUN_WILDCARD; 2377 } else { 2378 atp = isp_find_atpd(isp, notify->nt_channel, 2379 notify->nt_tagval & 0xffffffff); 2380 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 2381 } 2382 } else { 2383 lun = notify->nt_lun; 2384 } 2385 tptr = get_lun_statep(isp, notify->nt_channel, lun); 2386 if (tptr == NULL) { 2387 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 2388 if (tptr == NULL) { 2389 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun 0x%x", __func__, notify->nt_channel, lun); 2390 goto bad; 2391 } 2392 } 2393 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 2394 if (inot == NULL) { 2395 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun 0x%x", __func__, notify->nt_channel, lun); 2396 goto bad; 2397 } 2398 2399 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 2400 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 2401 inot->initiator_id = CAM_TARGET_WILDCARD; 2402 } else { 2403 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 2404 } 2405 inot->seq_id = notify->nt_tagval; 2406 inot->tag_id = notify->nt_tagval >> 32; 2407 2408 switch (notify->nt_ncode) { 2409 case NT_ABORT_TASK: 2410 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 2411 inot->arg = MSG_ABORT_TASK; 2412 break; 2413 case NT_ABORT_TASK_SET: 2414 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 2415 inot->arg = MSG_ABORT_TASK_SET; 2416 break; 2417 case NT_CLEAR_ACA: 2418 inot->arg = MSG_CLEAR_ACA; 2419 break; 2420 case NT_CLEAR_TASK_SET: 2421 inot->arg = MSG_CLEAR_TASK_SET; 2422 break; 2423 case NT_LUN_RESET: 2424 inot->arg = MSG_LOGICAL_UNIT_RESET; 2425 break; 2426 case NT_TARGET_RESET: 2427 inot->arg = MSG_TARGET_RESET; 2428 break; 2429 case NT_QUERY_TASK_SET: 2430 inot->arg = MSG_QUERY_TASK_SET; 2431 break; 2432 case NT_QUERY_ASYNC_EVENT: 2433 inot->arg = MSG_QUERY_ASYNC_EVENT; 2434 break; 2435 default: 2436 isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun 0x%x", __func__, notify->nt_ncode, notify->nt_channel, lun); 2437 goto bad; 2438 } 2439 2440 ntp = isp_get_ntpd(isp, notify->nt_channel); 2441 if (ntp == NULL) { 2442 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 2443 goto bad; 2444 } 2445 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 2446 if (notify->nt_lreserved) { 2447 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 2448 ntp->nt.nt_lreserved = &ntp->data; 2449 } 2450 ntp->seq_id = notify->nt_tagval; 2451 ntp->tag_id = notify->nt_tagval >> 32; 2452 2453 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 2454 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 2455 inot->ccb_h.status = CAM_MESSAGE_RECV; 2456 xpt_done((union ccb *)inot); 2457 return; 2458bad: 2459 if (notify->nt_need_ack) { 2460 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2461 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 2462 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 2463 } 2464 } else { 2465 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 2466 } 2467 } 2468} 2469 2470static void 2471isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 2472{ 2473 atio_private_data_t *atp, *atpool; 2474 inot_private_data_t *ntp, *tmp; 2475 uint32_t this_tag_id; 2476 2477 /* 2478 * First, clean any commands pending restart 2479 */ 2480 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 2481 if (IS_24XX(isp)) 2482 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 2483 else 2484 this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid; 2485 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 2486 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 2487 ECMD_TERMINATE, 0); 2488 isp_put_ntpd(isp, chan, ntp); 2489 STAILQ_REMOVE(&tptr->restart_queue, ntp, 2490 inot_private_data, next); 2491 } 2492 } 2493 2494 /* 2495 * Now mark other ones dead as well. 2496 */ 2497 ISP_GET_PC(isp, chan, atpool, atpool); 2498 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 2499 if (atp->lun != tptr->ts_lun) 2500 continue; 2501 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 2502 atp->dead = 1; 2503 } 2504} 2505#endif 2506 2507static void 2508isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 2509{ 2510 struct cam_sim *sim; 2511 int bus, tgt; 2512 ispsoftc_t *isp; 2513 2514 sim = (struct cam_sim *)cbarg; 2515 isp = (ispsoftc_t *) cam_sim_softc(sim); 2516 bus = cam_sim_bus(sim); 2517 tgt = xpt_path_target_id(path); 2518 2519 switch (code) { 2520 case AC_LOST_DEVICE: 2521 if (IS_SCSI(isp)) { 2522 uint16_t oflags, nflags; 2523 sdparam *sdp = SDPARAM(isp, bus); 2524 2525 if (tgt >= 0) { 2526 nflags = sdp->isp_devparam[tgt].nvrm_flags; 2527 nflags &= DPARM_SAFE_DFLT; 2528 if (isp->isp_loaded_fw) { 2529 nflags |= DPARM_NARROW | DPARM_ASYNC; 2530 } 2531 oflags = sdp->isp_devparam[tgt].goal_flags; 2532 sdp->isp_devparam[tgt].goal_flags = nflags; 2533 sdp->isp_devparam[tgt].dev_update = 1; 2534 sdp->update = 1; 2535 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 2536 sdp->isp_devparam[tgt].goal_flags = oflags; 2537 } 2538 } 2539 break; 2540 default: 2541 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 2542 break; 2543 } 2544} 2545 2546static void 2547isp_poll(struct cam_sim *sim) 2548{ 2549 ispsoftc_t *isp = cam_sim_softc(sim); 2550 2551 ISP_RUN_ISR(isp); 2552} 2553 2554 2555static void 2556isp_watchdog(void *arg) 2557{ 2558 struct ccb_scsiio *xs = arg; 2559 ispsoftc_t *isp; 2560 uint32_t ohandle = ISP_HANDLE_FREE, handle; 2561 2562 isp = XS_ISP(xs); 2563 2564 handle = isp_find_handle(isp, xs); 2565 2566 /* 2567 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 2568 */ 2569 if (handle != ISP_HANDLE_FREE) { 2570 ISP_RUN_ISR(isp); 2571 ohandle = handle; 2572 handle = isp_find_handle(isp, xs); 2573 } 2574 if (handle != ISP_HANDLE_FREE) { 2575 /* 2576 * Try and make sure the command is really dead before 2577 * we release the handle (and DMA resources) for reuse. 2578 * 2579 * If we are successful in aborting the command then 2580 * we're done here because we'll get the command returned 2581 * back separately. 2582 */ 2583 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2584 return; 2585 } 2586 2587 /* 2588 * Note that after calling the above, the command may in 2589 * fact have been completed. 2590 */ 2591 xs = isp_find_xs(isp, handle); 2592 2593 /* 2594 * If the command no longer exists, then we won't 2595 * be able to find the xs again with this handle. 2596 */ 2597 if (xs == NULL) { 2598 return; 2599 } 2600 2601 /* 2602 * After this point, the command is really dead. 2603 */ 2604 if (XS_XFRLEN(xs)) { 2605 ISP_DMAFREE(isp, xs, handle); 2606 } 2607 isp_destroy_handle(isp, handle); 2608 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 2609 xs->ccb_h.status &= ~CAM_STATUS_MASK; 2610 xs->ccb_h.status |= CAM_CMD_TIMEOUT; 2611 isp_prt_endcmd(isp, xs); 2612 isp_done(xs); 2613 } else { 2614 if (ohandle != ISP_HANDLE_FREE) { 2615 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 2616 } else { 2617 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 2618 } 2619 } 2620} 2621 2622static void 2623isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2624{ 2625 union ccb *ccb; 2626 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2627 2628 /* 2629 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2630 */ 2631 ccb = xpt_alloc_ccb_nowait(); 2632 if (ccb == NULL) { 2633 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2634 return; 2635 } 2636 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2637 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2638 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2639 xpt_free_ccb(ccb); 2640 return; 2641 } 2642 xpt_rescan(ccb); 2643} 2644 2645static void 2646isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2647{ 2648 struct cam_path *tp; 2649 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2650 2651 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2652 xpt_async(AC_LOST_DEVICE, tp, NULL); 2653 xpt_free_path(tp); 2654 } 2655} 2656 2657/* 2658 * Gone Device Timer Function- when we have decided that a device has gone 2659 * away, we wait a specific period of time prior to telling the OS it has 2660 * gone away. 2661 * 2662 * This timer function fires once a second and then scans the port database 2663 * for devices that are marked dead but still have a virtual target assigned. 2664 * We decrement a counter for that port database entry, and when it hits zero, 2665 * we tell the OS the device has gone away. 2666 */ 2667static void 2668isp_gdt(void *arg) 2669{ 2670 struct isp_fc *fc = arg; 2671 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2672} 2673 2674static void 2675isp_gdt_task(void *arg, int pending) 2676{ 2677 struct isp_fc *fc = arg; 2678 ispsoftc_t *isp = fc->isp; 2679 int chan = fc - isp->isp_osinfo.pc.fc; 2680 fcportdb_t *lp; 2681 struct ac_contract ac; 2682 struct ac_device_changed *adc; 2683 int dbidx, more_to_do = 0; 2684 2685 ISP_LOCK(isp); 2686 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2687 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2688 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2689 2690 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2691 continue; 2692 } 2693 if (lp->gone_timer != 0) { 2694 lp->gone_timer -= 1; 2695 more_to_do++; 2696 continue; 2697 } 2698 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2699 if (lp->is_target) { 2700 lp->is_target = 0; 2701 isp_make_gone(isp, lp, chan, dbidx); 2702 } 2703 if (lp->is_initiator) { 2704 lp->is_initiator = 0; 2705 ac.contract_number = AC_CONTRACT_DEV_CHG; 2706 adc = (struct ac_device_changed *) ac.contract_data; 2707 adc->wwpn = lp->port_wwn; 2708 adc->port = lp->portid; 2709 adc->target = dbidx; 2710 adc->arrived = 0; 2711 xpt_async(AC_CONTRACT, fc->path, &ac); 2712 } 2713 lp->state = FC_PORTDB_STATE_NIL; 2714 } 2715 if (fc->ready) { 2716 if (more_to_do) { 2717 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2718 } else { 2719 callout_deactivate(&fc->gdt); 2720 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2721 } 2722 } 2723 ISP_UNLOCK(isp); 2724} 2725 2726/* 2727 * When loop goes down we remember the time and freeze CAM command queue. 2728 * During some time period we are trying to reprobe the loop. But if we 2729 * fail, we tell the OS that devices have gone away and drop the freeze. 2730 * 2731 * We don't clear the devices out of our port database because, when loop 2732 * come back up, we have to do some actual cleanup with the chip at that 2733 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2734 */ 2735static void 2736isp_loop_changed(ispsoftc_t *isp, int chan) 2737{ 2738 fcparam *fcp = FCPARAM(isp, chan); 2739 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2740 2741 if (fc->loop_down_time) 2742 return; 2743 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2744 if (fcp->role & ISP_ROLE_INITIATOR) 2745 isp_freeze_loopdown(isp, chan); 2746 fc->loop_down_time = time_uptime; 2747 wakeup(fc); 2748} 2749 2750static void 2751isp_loop_up(ispsoftc_t *isp, int chan) 2752{ 2753 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2754 2755 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2756 fc->loop_seen_once = 1; 2757 fc->loop_down_time = 0; 2758 isp_unfreeze_loopdown(isp, chan); 2759} 2760 2761static void 2762isp_loop_dead(ispsoftc_t *isp, int chan) 2763{ 2764 fcparam *fcp = FCPARAM(isp, chan); 2765 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2766 fcportdb_t *lp; 2767 struct ac_contract ac; 2768 struct ac_device_changed *adc; 2769 int dbidx, i; 2770 2771 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2772 2773 /* 2774 * Notify to the OS all targets who we now consider have departed. 2775 */ 2776 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2777 lp = &fcp->portdb[dbidx]; 2778 2779 if (lp->state == FC_PORTDB_STATE_NIL) 2780 continue; 2781 2782 /* 2783 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 2784 */ 2785 for (i = 0; i < isp->isp_maxcmds; i++) { 2786 struct ccb_scsiio *xs; 2787 2788 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2789 continue; 2790 } 2791 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2792 continue; 2793 } 2794 if (dbidx != XS_TGT(xs)) { 2795 continue; 2796 } 2797 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2798 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2799 (uintmax_t)XS_LUN(xs)); 2800 } 2801 2802 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2803 if (lp->is_target) { 2804 lp->is_target = 0; 2805 isp_make_gone(isp, lp, chan, dbidx); 2806 } 2807 if (lp->is_initiator) { 2808 lp->is_initiator = 0; 2809 ac.contract_number = AC_CONTRACT_DEV_CHG; 2810 adc = (struct ac_device_changed *) ac.contract_data; 2811 adc->wwpn = lp->port_wwn; 2812 adc->port = lp->portid; 2813 adc->target = dbidx; 2814 adc->arrived = 0; 2815 xpt_async(AC_CONTRACT, fc->path, &ac); 2816 } 2817 } 2818 2819 isp_unfreeze_loopdown(isp, chan); 2820 fc->loop_down_time = 0; 2821} 2822 2823static void 2824isp_kthread(void *arg) 2825{ 2826 struct isp_fc *fc = arg; 2827 ispsoftc_t *isp = fc->isp; 2828 int chan = fc - isp->isp_osinfo.pc.fc; 2829 int slp = 0, d; 2830 int lb, lim; 2831 2832 mtx_lock(&isp->isp_osinfo.lock); 2833 2834 while (isp->isp_osinfo.is_exiting == 0) { 2835 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2836 "Chan %d Checking FC state", chan); 2837 lb = isp_fc_runstate(isp, chan, 250000); 2838 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2839 "Chan %d FC got to %s state", chan, 2840 isp_fc_loop_statename(lb)); 2841 2842 /* 2843 * Our action is different based upon whether we're supporting 2844 * Initiator mode or not. If we are, we might freeze the simq 2845 * when loop is down and set all sorts of different delays to 2846 * check again. 2847 * 2848 * If not, we simply just wait for loop to come up. 2849 */ 2850 if (lb == LOOP_READY || lb < 0) { 2851 slp = 0; 2852 } else { 2853 /* 2854 * If we've never seen loop up and we've waited longer 2855 * than quickboot time, or we've seen loop up but we've 2856 * waited longer than loop_down_limit, give up and go 2857 * to sleep until loop comes up. 2858 */ 2859 if (fc->loop_seen_once == 0) 2860 lim = isp_quickboot_time; 2861 else 2862 lim = fc->loop_down_limit; 2863 d = time_uptime - fc->loop_down_time; 2864 if (d >= lim) 2865 slp = 0; 2866 else if (d < 10) 2867 slp = 1; 2868 else if (d < 30) 2869 slp = 5; 2870 else if (d < 60) 2871 slp = 10; 2872 else if (d < 120) 2873 slp = 20; 2874 else 2875 slp = 30; 2876 } 2877 2878 if (slp == 0) { 2879 if (lb == LOOP_READY) 2880 isp_loop_up(isp, chan); 2881 else 2882 isp_loop_dead(isp, chan); 2883 } 2884 2885 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2886 "Chan %d sleep for %d seconds", chan, slp); 2887 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz); 2888 } 2889 fc->num_threads -= 1; 2890 mtx_unlock(&isp->isp_osinfo.lock); 2891 kthread_exit(); 2892} 2893 2894#ifdef ISP_TARGET_MODE 2895static void 2896isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2897{ 2898 atio_private_data_t *atp; 2899 union ccb *accb = ccb->cab.abort_ccb; 2900 struct ccb_hdr *sccb; 2901 tstate_t *tptr; 2902 2903 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2904 if (tptr != NULL) { 2905 /* Search for the ATIO among queueued. */ 2906 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2907 if (sccb != &accb->ccb_h) 2908 continue; 2909 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2910 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2911 "Abort FREE ATIO\n"); 2912 accb->ccb_h.status = CAM_REQ_ABORTED; 2913 xpt_done(accb); 2914 ccb->ccb_h.status = CAM_REQ_CMP; 2915 return; 2916 } 2917 } 2918 2919 /* Search for the ATIO among running. */ 2920 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2921 if (atp != NULL) { 2922 /* Send TERMINATE to firmware. */ 2923 if (!atp->dead && IS_24XX(isp)) { 2924 uint8_t storage[QENTRY_LEN]; 2925 ct7_entry_t *cto = (ct7_entry_t *) storage; 2926 2927 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2928 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2929 cto->ct_header.rqs_entry_count = 1; 2930 cto->ct_nphdl = atp->nphdl; 2931 cto->ct_rxid = atp->tag; 2932 cto->ct_iid_lo = atp->sid; 2933 cto->ct_iid_hi = atp->sid >> 16; 2934 cto->ct_oxid = atp->oxid; 2935 cto->ct_vpidx = XS_CHANNEL(accb); 2936 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2937 isp_target_put_entry(isp, cto); 2938 } 2939 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2940 ccb->ccb_h.status = CAM_REQ_CMP; 2941 } else { 2942 ccb->ccb_h.status = CAM_UA_ABORT; 2943 } 2944} 2945 2946static void 2947isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2948{ 2949 inot_private_data_t *ntp; 2950 union ccb *accb = ccb->cab.abort_ccb; 2951 struct ccb_hdr *sccb; 2952 tstate_t *tptr; 2953 2954 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2955 if (tptr != NULL) { 2956 /* Search for the INOT among queueued. */ 2957 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2958 if (sccb != &accb->ccb_h) 2959 continue; 2960 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2961 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2962 "Abort FREE INOT\n"); 2963 accb->ccb_h.status = CAM_REQ_ABORTED; 2964 xpt_done(accb); 2965 ccb->ccb_h.status = CAM_REQ_CMP; 2966 return; 2967 } 2968 } 2969 2970 /* Search for the INOT among running. */ 2971 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2972 if (ntp != NULL) { 2973 if (ntp->nt.nt_need_ack) { 2974 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2975 ntp->nt.nt_lreserved); 2976 } 2977 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2978 ccb->ccb_h.status = CAM_REQ_CMP; 2979 } else { 2980 ccb->ccb_h.status = CAM_UA_ABORT; 2981 return; 2982 } 2983} 2984#endif 2985 2986static void 2987isp_action(struct cam_sim *sim, union ccb *ccb) 2988{ 2989 int bus, tgt, ts, error; 2990 ispsoftc_t *isp; 2991 struct ccb_trans_settings *cts; 2992 2993 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2994 2995 isp = (ispsoftc_t *)cam_sim_softc(sim); 2996 mtx_assert(&isp->isp_lock, MA_OWNED); 2997 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2998 ISP_PCMD(ccb) = NULL; 2999 3000 switch (ccb->ccb_h.func_code) { 3001 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 3002 bus = XS_CHANNEL(ccb); 3003 /* 3004 * Do a couple of preliminary checks... 3005 */ 3006 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 3007 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 3008 ccb->ccb_h.status = CAM_REQ_INVALID; 3009 isp_done((struct ccb_scsiio *) ccb); 3010 break; 3011 } 3012 } 3013 ccb->csio.req_map = NULL; 3014#ifdef DIAGNOSTIC 3015 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 3016 xpt_print(ccb->ccb_h.path, "invalid target\n"); 3017 ccb->ccb_h.status = CAM_PATH_INVALID; 3018 } else if (ISP_MAX_LUNS(isp) > 0 && 3019 ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) { 3020 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 3021 ccb->ccb_h.status = CAM_PATH_INVALID; 3022 } 3023 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 3024 xpt_done(ccb); 3025 break; 3026 } 3027#endif 3028 ccb->csio.scsi_status = SCSI_STATUS_OK; 3029 if (isp_get_pcmd(isp, ccb)) { 3030 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 3031 cam_freeze_devq(ccb->ccb_h.path); 3032 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 3033 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3034 xpt_done(ccb); 3035 break; 3036 } 3037 error = isp_start((XS_T *) ccb); 3038 switch (error) { 3039 case CMD_QUEUED: 3040 ccb->ccb_h.status |= CAM_SIM_QUEUED; 3041 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) { 3042 break; 3043 } 3044 ts = ccb->ccb_h.timeout; 3045 if (ts == CAM_TIME_DEFAULT) { 3046 ts = 60*1000; 3047 } 3048 ts = isp_mstohz(ts); 3049 callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb); 3050 break; 3051 case CMD_RQLATER: 3052 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 3053 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 3054 cam_freeze_devq(ccb->ccb_h.path); 3055 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3056 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3057 isp_free_pcmd(isp, ccb); 3058 xpt_done(ccb); 3059 break; 3060 case CMD_EAGAIN: 3061 isp_free_pcmd(isp, ccb); 3062 cam_freeze_devq(ccb->ccb_h.path); 3063 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 3064 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3065 xpt_done(ccb); 3066 break; 3067 case CMD_COMPLETE: 3068 isp_done((struct ccb_scsiio *) ccb); 3069 break; 3070 default: 3071 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 3072 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3073 isp_free_pcmd(isp, ccb); 3074 xpt_done(ccb); 3075 } 3076 break; 3077 3078#ifdef ISP_TARGET_MODE 3079 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 3080 if (ccb->cel.enable) { 3081 isp_enable_lun(isp, ccb); 3082 } else { 3083 isp_disable_lun(isp, ccb); 3084 } 3085 break; 3086 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 3087 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3088 { 3089 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 3090 if (tptr == NULL) { 3091 const char *str; 3092 3093 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 3094 str = "XPT_IMMEDIATE_NOTIFY"; 3095 else 3096 str = "XPT_ACCEPT_TARGET_IO"; 3097 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 3098 "%s: no state pointer found for %s\n", 3099 __func__, str); 3100 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3101 xpt_done(ccb); 3102 break; 3103 } 3104 ccb->ccb_h.spriv_field0 = 0; 3105 ccb->ccb_h.spriv_ptr1 = isp; 3106 3107 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3108 ccb->atio.tag_id = 0; 3109 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 3110 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3111 "Put FREE ATIO\n"); 3112 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 3113 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 3114 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 3115 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3116 "Put FREE INOT\n"); 3117 } 3118 ccb->ccb_h.status = CAM_REQ_INPROG; 3119 break; 3120 } 3121 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 3122 { 3123 inot_private_data_t *ntp; 3124 3125 /* 3126 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 3127 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 3128 */ 3129 /* 3130 * All the relevant path information is in the associated immediate notify 3131 */ 3132 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); 3133 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 3134 if (ntp == NULL) { 3135 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__, 3136 ccb->cna2.tag_id, ccb->cna2.seq_id); 3137 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3138 xpt_done(ccb); 3139 break; 3140 } 3141 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 3142 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 3143 cam_freeze_devq(ccb->ccb_h.path); 3144 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3145 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 3146 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 3147 break; 3148 } 3149 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 3150 ccb->ccb_h.status = CAM_REQ_CMP; 3151 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); 3152 xpt_done(ccb); 3153 break; 3154 } 3155 case XPT_CONT_TARGET_IO: 3156 isp_target_start_ctio(isp, ccb, FROM_CAM); 3157 break; 3158#endif 3159 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 3160 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path)); 3161 tgt = ccb->ccb_h.target_id; 3162 tgt |= (bus << 16); 3163 3164 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 3165 if (error) { 3166 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3167 } else { 3168 /* 3169 * If we have a FC device, reset the Command 3170 * Reference Number, because the target will expect 3171 * that we re-start the CRN at 1 after a reset. 3172 */ 3173 if (IS_FC(isp)) 3174 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3175 3176 ccb->ccb_h.status = CAM_REQ_CMP; 3177 } 3178 xpt_done(ccb); 3179 break; 3180 case XPT_ABORT: /* Abort the specified CCB */ 3181 { 3182 union ccb *accb = ccb->cab.abort_ccb; 3183 switch (accb->ccb_h.func_code) { 3184#ifdef ISP_TARGET_MODE 3185 case XPT_ACCEPT_TARGET_IO: 3186 isp_abort_atio(isp, ccb); 3187 break; 3188 case XPT_IMMEDIATE_NOTIFY: 3189 isp_abort_inot(isp, ccb); 3190 break; 3191#endif 3192 case XPT_SCSI_IO: 3193 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 3194 if (error) { 3195 ccb->ccb_h.status = CAM_UA_ABORT; 3196 } else { 3197 ccb->ccb_h.status = CAM_REQ_CMP; 3198 } 3199 break; 3200 default: 3201 ccb->ccb_h.status = CAM_REQ_INVALID; 3202 break; 3203 } 3204 /* 3205 * This is not a queued CCB, so the caller expects it to be 3206 * complete when control is returned. 3207 */ 3208 break; 3209 } 3210#define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 3211 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3212 cts = &ccb->cts; 3213 if (!IS_CURRENT_SETTINGS(cts)) { 3214 ccb->ccb_h.status = CAM_REQ_INVALID; 3215 xpt_done(ccb); 3216 break; 3217 } 3218 tgt = cts->ccb_h.target_id; 3219 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 3220 if (IS_SCSI(isp)) { 3221 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3222 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3223 sdparam *sdp = SDPARAM(isp, bus); 3224 uint16_t *dptr; 3225 3226 if (spi->valid == 0 && scsi->valid == 0) { 3227 ccb->ccb_h.status = CAM_REQ_CMP; 3228 xpt_done(ccb); 3229 break; 3230 } 3231 3232 /* 3233 * We always update (internally) from goal_flags 3234 * so any request to change settings just gets 3235 * vectored to that location. 3236 */ 3237 dptr = &sdp->isp_devparam[tgt].goal_flags; 3238 3239 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3240 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 3241 *dptr |= DPARM_DISC; 3242 else 3243 *dptr &= ~DPARM_DISC; 3244 } 3245 3246 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3247 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 3248 *dptr |= DPARM_TQING; 3249 else 3250 *dptr &= ~DPARM_TQING; 3251 } 3252 3253 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3254 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 3255 *dptr |= DPARM_WIDE; 3256 else 3257 *dptr &= ~DPARM_WIDE; 3258 } 3259 3260 /* 3261 * XXX: FIX ME 3262 */ 3263 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 3264 *dptr |= DPARM_SYNC; 3265 /* 3266 * XXX: CHECK FOR LEGALITY 3267 */ 3268 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 3269 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 3270 } else { 3271 *dptr &= ~DPARM_SYNC; 3272 } 3273 isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%d) to flags %x off %x per %x", bus, tgt, cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags, 3274 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 3275 sdp->isp_devparam[tgt].dev_update = 1; 3276 sdp->update = 1; 3277 } 3278 ccb->ccb_h.status = CAM_REQ_CMP; 3279 xpt_done(ccb); 3280 break; 3281 case XPT_GET_TRAN_SETTINGS: 3282 cts = &ccb->cts; 3283 tgt = cts->ccb_h.target_id; 3284 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 3285 if (IS_FC(isp)) { 3286 fcparam *fcp = FCPARAM(isp, bus); 3287 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3288 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 3289 3290 cts->protocol = PROTO_SCSI; 3291 cts->protocol_version = SCSI_REV_2; 3292 cts->transport = XPORT_FC; 3293 cts->transport_version = 0; 3294 3295 scsi->valid = CTS_SCSI_VALID_TQ; 3296 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3297 fc->valid = CTS_FC_VALID_SPEED; 3298 fc->bitrate = 100000; 3299 fc->bitrate *= fcp->isp_gbspeed; 3300 if (tgt < MAX_FC_TARG) { 3301 fcportdb_t *lp = &fcp->portdb[tgt]; 3302 fc->wwnn = lp->node_wwn; 3303 fc->wwpn = lp->port_wwn; 3304 fc->port = lp->portid; 3305 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 3306 } 3307 } else { 3308 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3309 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3310 sdparam *sdp = SDPARAM(isp, bus); 3311 uint16_t dval, pval, oval; 3312 3313 if (IS_CURRENT_SETTINGS(cts)) { 3314 sdp->isp_devparam[tgt].dev_refresh = 1; 3315 sdp->update = 1; 3316 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 3317 dval = sdp->isp_devparam[tgt].actv_flags; 3318 oval = sdp->isp_devparam[tgt].actv_offset; 3319 pval = sdp->isp_devparam[tgt].actv_period; 3320 } else { 3321 dval = sdp->isp_devparam[tgt].nvrm_flags; 3322 oval = sdp->isp_devparam[tgt].nvrm_offset; 3323 pval = sdp->isp_devparam[tgt].nvrm_period; 3324 } 3325 3326 cts->protocol = PROTO_SCSI; 3327 cts->protocol_version = SCSI_REV_2; 3328 cts->transport = XPORT_SPI; 3329 cts->transport_version = 2; 3330 3331 spi->valid = 0; 3332 scsi->valid = 0; 3333 spi->flags = 0; 3334 scsi->flags = 0; 3335 if (dval & DPARM_DISC) { 3336 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3337 } 3338 if ((dval & DPARM_SYNC) && oval && pval) { 3339 spi->sync_offset = oval; 3340 spi->sync_period = pval; 3341 } else { 3342 spi->sync_offset = 0; 3343 spi->sync_period = 0; 3344 } 3345 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3346 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3347 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3348 if (dval & DPARM_WIDE) { 3349 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3350 } else { 3351 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3352 } 3353 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3354 scsi->valid = CTS_SCSI_VALID_TQ; 3355 if (dval & DPARM_TQING) { 3356 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3357 } 3358 spi->valid |= CTS_SPI_VALID_DISC; 3359 } 3360 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%d) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 3361 bus, tgt, cts->ccb_h.target_lun, dval, oval, pval); 3362 } 3363 ccb->ccb_h.status = CAM_REQ_CMP; 3364 xpt_done(ccb); 3365 break; 3366 3367 case XPT_CALC_GEOMETRY: 3368 cam_calc_geometry(&ccb->ccg, 1); 3369 xpt_done(ccb); 3370 break; 3371 3372 case XPT_RESET_BUS: /* Reset the specified bus */ 3373 bus = cam_sim_bus(sim); 3374 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 3375 if (error) { 3376 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3377 xpt_done(ccb); 3378 break; 3379 } 3380 if (bootverbose) { 3381 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 3382 } 3383 if (IS_FC(isp)) { 3384 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 3385 } else { 3386 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 3387 } 3388 ccb->ccb_h.status = CAM_REQ_CMP; 3389 xpt_done(ccb); 3390 break; 3391 3392 case XPT_TERM_IO: /* Terminate the I/O process */ 3393 ccb->ccb_h.status = CAM_REQ_INVALID; 3394 xpt_done(ccb); 3395 break; 3396 3397 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 3398 { 3399 struct ccb_sim_knob *kp = &ccb->knob; 3400 fcparam *fcp; 3401 3402 if (!IS_FC(isp)) { 3403 ccb->ccb_h.status = CAM_REQ_INVALID; 3404 xpt_done(ccb); 3405 break; 3406 } 3407 3408 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 3409 fcp = FCPARAM(isp, bus); 3410 3411 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 3412 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 3413 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 3414 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 3415 } 3416 ccb->ccb_h.status = CAM_REQ_CMP; 3417 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 3418 int rchange = 0; 3419 int newrole = 0; 3420 3421 switch (kp->xport_specific.fc.role) { 3422 case KNOB_ROLE_NONE: 3423 if (fcp->role != ISP_ROLE_NONE) { 3424 rchange = 1; 3425 newrole = ISP_ROLE_NONE; 3426 } 3427 break; 3428 case KNOB_ROLE_TARGET: 3429 if (fcp->role != ISP_ROLE_TARGET) { 3430 rchange = 1; 3431 newrole = ISP_ROLE_TARGET; 3432 } 3433 break; 3434 case KNOB_ROLE_INITIATOR: 3435 if (fcp->role != ISP_ROLE_INITIATOR) { 3436 rchange = 1; 3437 newrole = ISP_ROLE_INITIATOR; 3438 } 3439 break; 3440 case KNOB_ROLE_BOTH: 3441 if (fcp->role != ISP_ROLE_BOTH) { 3442 rchange = 1; 3443 newrole = ISP_ROLE_BOTH; 3444 } 3445 break; 3446 } 3447 if (rchange) { 3448 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 3449 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 3450 bus, newrole) != 0) { 3451 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3452 xpt_done(ccb); 3453 break; 3454 } 3455 } 3456 } 3457 xpt_done(ccb); 3458 break; 3459 } 3460 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 3461 { 3462 struct ccb_sim_knob *kp = &ccb->knob; 3463 3464 if (IS_FC(isp)) { 3465 fcparam *fcp; 3466 3467 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 3468 fcp = FCPARAM(isp, bus); 3469 3470 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 3471 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 3472 switch (fcp->role) { 3473 case ISP_ROLE_NONE: 3474 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 3475 break; 3476 case ISP_ROLE_TARGET: 3477 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 3478 break; 3479 case ISP_ROLE_INITIATOR: 3480 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 3481 break; 3482 case ISP_ROLE_BOTH: 3483 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 3484 break; 3485 } 3486 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 3487 ccb->ccb_h.status = CAM_REQ_CMP; 3488 } else { 3489 ccb->ccb_h.status = CAM_REQ_INVALID; 3490 } 3491 xpt_done(ccb); 3492 break; 3493 } 3494 case XPT_PATH_INQ: /* Path routing inquiry */ 3495 { 3496 struct ccb_pathinq *cpi = &ccb->cpi; 3497 3498 cpi->version_num = 1; 3499#ifdef ISP_TARGET_MODE 3500 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp)) 3501 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3502 else 3503#endif 3504 cpi->target_sprt = 0; 3505 cpi->hba_eng_cnt = 0; 3506 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 3507 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ? 3508 255 : ISP_MAX_LUNS(isp) - 1; 3509 cpi->bus_id = cam_sim_bus(sim); 3510 if (isp->isp_osinfo.sixtyfourbit) 3511 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 3512 else 3513 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 3514 3515 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path)); 3516 if (IS_FC(isp)) { 3517 fcparam *fcp = FCPARAM(isp, bus); 3518 3519 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 3520 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 3521 3522 /* 3523 * Because our loop ID can shift from time to time, 3524 * make our initiator ID out of range of our bus. 3525 */ 3526 cpi->initiator_id = cpi->max_target + 1; 3527 3528 /* 3529 * Set base transfer capabilities for Fibre Channel, for this HBA. 3530 */ 3531 if (IS_25XX(isp)) { 3532 cpi->base_transfer_speed = 8000000; 3533 } else if (IS_24XX(isp)) { 3534 cpi->base_transfer_speed = 4000000; 3535 } else if (IS_23XX(isp)) { 3536 cpi->base_transfer_speed = 2000000; 3537 } else { 3538 cpi->base_transfer_speed = 1000000; 3539 } 3540 cpi->hba_inquiry = PI_TAG_ABLE; 3541 cpi->transport = XPORT_FC; 3542 cpi->transport_version = 0; 3543 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 3544 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 3545 cpi->xport_specific.fc.port = fcp->isp_portid; 3546 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 3547 } else { 3548 sdparam *sdp = SDPARAM(isp, bus); 3549 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3550 cpi->hba_misc = PIM_UNMAPPED; 3551 cpi->initiator_id = sdp->isp_initiator_id; 3552 cpi->base_transfer_speed = 3300; 3553 cpi->transport = XPORT_SPI; 3554 cpi->transport_version = 2; 3555 } 3556 cpi->protocol = PROTO_SCSI; 3557 cpi->protocol_version = SCSI_REV_2; 3558 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3559 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 3560 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3561 cpi->unit_number = cam_sim_unit(sim); 3562 cpi->ccb_h.status = CAM_REQ_CMP; 3563 xpt_done(ccb); 3564 break; 3565 } 3566 default: 3567 ccb->ccb_h.status = CAM_REQ_INVALID; 3568 xpt_done(ccb); 3569 break; 3570 } 3571} 3572 3573void 3574isp_done(XS_T *sccb) 3575{ 3576 ispsoftc_t *isp = XS_ISP(sccb); 3577 uint32_t status; 3578 3579 if (XS_NOERR(sccb)) 3580 XS_SETERR(sccb, CAM_REQ_CMP); 3581 3582 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 3583 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 3584 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 3585 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 3586 } else { 3587 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 3588 } 3589 } 3590 3591 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3592 status = sccb->ccb_h.status & CAM_STATUS_MASK; 3593 if (status != CAM_REQ_CMP && 3594 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 3595 sccb->ccb_h.status |= CAM_DEV_QFRZN; 3596 xpt_freeze_devq(sccb->ccb_h.path, 1); 3597 } 3598 3599 if (ISP_PCMD(sccb)) { 3600 if (callout_active(&PISP_PCMD(sccb)->wdog)) 3601 callout_stop(&PISP_PCMD(sccb)->wdog); 3602 isp_free_pcmd(isp, (union ccb *) sccb); 3603 } 3604 xpt_done((union ccb *) sccb); 3605} 3606 3607void 3608isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 3609{ 3610 int bus; 3611 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 3612 char buf[64]; 3613 char *msg = NULL; 3614 target_id_t tgt; 3615 fcportdb_t *lp; 3616 struct isp_fc *fc; 3617 struct cam_path *tmppath; 3618 struct ac_contract ac; 3619 struct ac_device_changed *adc; 3620 va_list ap; 3621 3622 switch (cmd) { 3623 case ISPASYNC_NEW_TGT_PARAMS: 3624 { 3625 struct ccb_trans_settings_scsi *scsi; 3626 struct ccb_trans_settings_spi *spi; 3627 int flags, tgt; 3628 sdparam *sdp; 3629 struct ccb_trans_settings cts; 3630 3631 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 3632 3633 va_start(ap, cmd); 3634 bus = va_arg(ap, int); 3635 tgt = va_arg(ap, int); 3636 va_end(ap); 3637 sdp = SDPARAM(isp, bus); 3638 3639 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 3640 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 3641 break; 3642 } 3643 flags = sdp->isp_devparam[tgt].actv_flags; 3644 cts.type = CTS_TYPE_CURRENT_SETTINGS; 3645 cts.protocol = PROTO_SCSI; 3646 cts.transport = XPORT_SPI; 3647 3648 scsi = &cts.proto_specific.scsi; 3649 spi = &cts.xport_specific.spi; 3650 3651 if (flags & DPARM_TQING) { 3652 scsi->valid |= CTS_SCSI_VALID_TQ; 3653 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3654 } 3655 3656 if (flags & DPARM_DISC) { 3657 spi->valid |= CTS_SPI_VALID_DISC; 3658 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3659 } 3660 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 3661 if (flags & DPARM_WIDE) { 3662 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3663 } else { 3664 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3665 } 3666 if (flags & DPARM_SYNC) { 3667 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3668 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3669 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 3670 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 3671 } 3672 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); 3673 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 3674 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 3675 xpt_free_path(tmppath); 3676 break; 3677 } 3678 case ISPASYNC_BUS_RESET: 3679 { 3680 va_start(ap, cmd); 3681 bus = va_arg(ap, int); 3682 va_end(ap); 3683 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 3684 if (IS_FC(isp)) { 3685 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 3686 } else { 3687 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 3688 } 3689 break; 3690 } 3691 case ISPASYNC_LIP: 3692 if (msg == NULL) 3693 msg = "LIP Received"; 3694 /* FALLTHROUGH */ 3695 case ISPASYNC_LOOP_RESET: 3696 if (msg == NULL) 3697 msg = "LOOP Reset"; 3698 /* FALLTHROUGH */ 3699 case ISPASYNC_LOOP_DOWN: 3700 if (msg == NULL) 3701 msg = "LOOP Down"; 3702 va_start(ap, cmd); 3703 bus = va_arg(ap, int); 3704 va_end(ap); 3705 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 3706 isp_loop_changed(isp, bus); 3707 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3708 break; 3709 case ISPASYNC_LOOP_UP: 3710 va_start(ap, cmd); 3711 bus = va_arg(ap, int); 3712 va_end(ap); 3713 isp_loop_changed(isp, bus); 3714 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus); 3715 break; 3716 case ISPASYNC_DEV_ARRIVED: 3717 va_start(ap, cmd); 3718 bus = va_arg(ap, int); 3719 lp = va_arg(ap, fcportdb_t *); 3720 va_end(ap); 3721 fc = ISP_FC_PC(isp, bus); 3722 tgt = FC_PORTDB_TGT(isp, bus, lp); 3723 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3724 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 3725 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3726 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 3727 lp->is_target = 1; 3728 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3729 isp_make_here(isp, lp, bus, tgt); 3730 } 3731 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3732 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 3733 lp->is_initiator = 1; 3734 ac.contract_number = AC_CONTRACT_DEV_CHG; 3735 adc = (struct ac_device_changed *) ac.contract_data; 3736 adc->wwpn = lp->port_wwn; 3737 adc->port = lp->portid; 3738 adc->target = tgt; 3739 adc->arrived = 1; 3740 xpt_async(AC_CONTRACT, fc->path, &ac); 3741 } 3742 break; 3743 case ISPASYNC_DEV_CHANGED: 3744 va_start(ap, cmd); 3745 bus = va_arg(ap, int); 3746 lp = va_arg(ap, fcportdb_t *); 3747 va_end(ap); 3748 fc = ISP_FC_PC(isp, bus); 3749 tgt = FC_PORTDB_TGT(isp, bus, lp); 3750 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 3751 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 3752changed: 3753 if (lp->is_target != 3754 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3755 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 3756 lp->is_target = !lp->is_target; 3757 if (lp->is_target) { 3758 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3759 isp_make_here(isp, lp, bus, tgt); 3760 } else { 3761 isp_make_gone(isp, lp, bus, tgt); 3762 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3763 } 3764 } 3765 if (lp->is_initiator != 3766 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3767 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 3768 lp->is_initiator = !lp->is_initiator; 3769 ac.contract_number = AC_CONTRACT_DEV_CHG; 3770 adc = (struct ac_device_changed *) ac.contract_data; 3771 adc->wwpn = lp->port_wwn; 3772 adc->port = lp->portid; 3773 adc->target = tgt; 3774 adc->arrived = lp->is_initiator; 3775 xpt_async(AC_CONTRACT, fc->path, &ac); 3776 } 3777 break; 3778 case ISPASYNC_DEV_STAYED: 3779 va_start(ap, cmd); 3780 bus = va_arg(ap, int); 3781 lp = va_arg(ap, fcportdb_t *); 3782 va_end(ap); 3783 fc = ISP_FC_PC(isp, bus); 3784 tgt = FC_PORTDB_TGT(isp, bus, lp); 3785 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3786 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 3787 goto changed; 3788 case ISPASYNC_DEV_GONE: 3789 va_start(ap, cmd); 3790 bus = va_arg(ap, int); 3791 lp = va_arg(ap, fcportdb_t *); 3792 va_end(ap); 3793 fc = ISP_FC_PC(isp, bus); 3794 tgt = FC_PORTDB_TGT(isp, bus, lp); 3795 /* 3796 * If this has a virtual target or initiator set the isp_gdt 3797 * timer running on it to delay its departure. 3798 */ 3799 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3800 if (lp->is_target || lp->is_initiator) { 3801 lp->state = FC_PORTDB_STATE_ZOMBIE; 3802 lp->gone_timer = fc->gone_device_time; 3803 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 3804 if (fc->ready && !callout_active(&fc->gdt)) { 3805 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); 3806 callout_reset(&fc->gdt, hz, isp_gdt, fc); 3807 } 3808 break; 3809 } 3810 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 3811 break; 3812 case ISPASYNC_CHANGE_NOTIFY: 3813 { 3814 char *msg; 3815 int evt, nphdl, nlstate, portid, reason; 3816 3817 va_start(ap, cmd); 3818 bus = va_arg(ap, int); 3819 evt = va_arg(ap, int); 3820 if (evt == ISPASYNC_CHANGE_PDB) { 3821 nphdl = va_arg(ap, int); 3822 nlstate = va_arg(ap, int); 3823 reason = va_arg(ap, int); 3824 } else if (evt == ISPASYNC_CHANGE_SNS) { 3825 portid = va_arg(ap, int); 3826 } else { 3827 nphdl = NIL_HANDLE; 3828 nlstate = reason = 0; 3829 } 3830 va_end(ap); 3831 fc = ISP_FC_PC(isp, bus); 3832 3833 if (evt == ISPASYNC_CHANGE_PDB) { 3834 msg = "Port Database Changed"; 3835 isp_prt(isp, ISP_LOGINFO, 3836 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3837 bus, msg, nphdl, nlstate, reason); 3838 } else if (evt == ISPASYNC_CHANGE_SNS) { 3839 msg = "Name Server Database Changed"; 3840 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3841 bus, msg, portid); 3842 } else { 3843 msg = "Other Change Notify"; 3844 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3845 } 3846 isp_loop_changed(isp, bus); 3847 break; 3848 } 3849#ifdef ISP_TARGET_MODE 3850 case ISPASYNC_TARGET_NOTIFY: 3851 { 3852 isp_notify_t *notify; 3853 va_start(ap, cmd); 3854 notify = va_arg(ap, isp_notify_t *); 3855 va_end(ap); 3856 switch (notify->nt_ncode) { 3857 case NT_ABORT_TASK: 3858 case NT_ABORT_TASK_SET: 3859 case NT_CLEAR_ACA: 3860 case NT_CLEAR_TASK_SET: 3861 case NT_LUN_RESET: 3862 case NT_TARGET_RESET: 3863 case NT_QUERY_TASK_SET: 3864 case NT_QUERY_ASYNC_EVENT: 3865 /* 3866 * These are task management functions. 3867 */ 3868 isp_handle_platform_target_tmf(isp, notify); 3869 break; 3870 case NT_BUS_RESET: 3871 case NT_LIP_RESET: 3872 case NT_LINK_UP: 3873 case NT_LINK_DOWN: 3874 case NT_HBA_RESET: 3875 /* 3876 * No action need be taken here. 3877 */ 3878 break; 3879 case NT_GLOBAL_LOGOUT: 3880 case NT_LOGOUT: 3881 /* 3882 * This is device arrival/departure notification 3883 */ 3884 isp_handle_platform_target_notify_ack(isp, notify, 0); 3885 break; 3886 case NT_SRR: 3887 isp_handle_platform_srr(isp, notify); 3888 break; 3889 default: 3890 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3891 isp_handle_platform_target_notify_ack(isp, notify, 0); 3892 break; 3893 } 3894 break; 3895 } 3896 case ISPASYNC_TARGET_NOTIFY_ACK: 3897 { 3898 void *inot; 3899 va_start(ap, cmd); 3900 inot = va_arg(ap, void *); 3901 va_end(ap); 3902 if (isp_notify_ack(isp, inot)) { 3903 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3904 if (tp) { 3905 tp->isp = isp; 3906 memcpy(tp->data, inot, sizeof (tp->data)); 3907 tp->not = tp->data; 3908 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3909 callout_reset(&tp->timer, 5, 3910 isp_refire_notify_ack, tp); 3911 } else { 3912 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3913 } 3914 } 3915 break; 3916 } 3917 case ISPASYNC_TARGET_ACTION: 3918 { 3919 isphdr_t *hp; 3920 3921 va_start(ap, cmd); 3922 hp = va_arg(ap, isphdr_t *); 3923 va_end(ap); 3924 switch (hp->rqs_entry_type) { 3925 case RQSTYPE_ATIO: 3926 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 3927 break; 3928 case RQSTYPE_ATIO2: 3929 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 3930 break; 3931 case RQSTYPE_CTIO7: 3932 case RQSTYPE_CTIO3: 3933 case RQSTYPE_CTIO2: 3934 case RQSTYPE_CTIO: 3935 isp_handle_platform_ctio(isp, hp); 3936 break; 3937 default: 3938 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3939 __func__, hp->rqs_entry_type); 3940 break; 3941 } 3942 break; 3943 } 3944#endif 3945 case ISPASYNC_FW_CRASH: 3946 { 3947 uint16_t mbox1, mbox6; 3948 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3949 if (IS_DUALBUS(isp)) { 3950 mbox6 = ISP_READ(isp, OUTMAILBOX6); 3951 } else { 3952 mbox6 = 0; 3953 } 3954 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 3955#if 0 3956 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 3957 isp->isp_osinfo.mbox_sleep_ok = 0; 3958 isp_reinit(isp, 1); 3959 isp->isp_osinfo.mbox_sleep_ok = mbox1; 3960 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 3961#endif 3962 break; 3963 } 3964 default: 3965 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 3966 break; 3967 } 3968} 3969 3970uint64_t 3971isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 3972{ 3973 uint64_t seed; 3974 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3975 3976 /* First try to use explicitly configured WWNs. */ 3977 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 3978 if (seed) 3979 return (seed); 3980 3981 /* Otherwise try to use WWNs from NVRAM. */ 3982 if (isactive) { 3983 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 3984 FCPARAM(isp, chan)->isp_wwpn_nvram; 3985 if (seed) 3986 return (seed); 3987 } 3988 3989 /* If still no WWNs, try to steal them from the first channel. */ 3990 if (chan > 0) { 3991 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 3992 ISP_FC_PC(isp, 0)->def_wwpn; 3993 if (seed == 0) { 3994 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 3995 FCPARAM(isp, 0)->isp_wwpn_nvram; 3996 } 3997 } 3998 3999 /* If still nothing -- improvise. */ 4000 if (seed == 0) { 4001 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 4002 if (!iswwnn) 4003 seed ^= 0x0100000000000000ULL; 4004 } 4005 4006 /* For additional channels we have to improvise even more. */ 4007 if (!iswwnn && chan > 0) { 4008 /* 4009 * We'll stick our channel number plus one first into bits 4010 * 57..59 and thence into bits 52..55 which allows for 8 bits 4011 * of channel which is enough for our maximum of 255 channels. 4012 */ 4013 seed ^= 0x0100000000000000ULL; 4014 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 4015 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 4016 } 4017 return (seed); 4018} 4019 4020void 4021isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 4022{ 4023 int loc; 4024 char lbuf[200]; 4025 va_list ap; 4026 4027 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4028 return; 4029 } 4030 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 4031 loc = strlen(lbuf); 4032 va_start(ap, fmt); 4033 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 4034 va_end(ap); 4035 printf("%s\n", lbuf); 4036} 4037 4038void 4039isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 4040{ 4041 va_list ap; 4042 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4043 return; 4044 } 4045 xpt_print_path(xs->ccb_h.path); 4046 va_start(ap, fmt); 4047 vprintf(fmt, ap); 4048 va_end(ap); 4049 printf("\n"); 4050} 4051 4052uint64_t 4053isp_nanotime_sub(struct timespec *b, struct timespec *a) 4054{ 4055 uint64_t elapsed; 4056 struct timespec x = *b; 4057 timespecsub(&x, a); 4058 elapsed = GET_NANOSEC(&x); 4059 if (elapsed == 0) 4060 elapsed++; 4061 return (elapsed); 4062} 4063 4064int 4065isp_mbox_acquire(ispsoftc_t *isp) 4066{ 4067 if (isp->isp_osinfo.mboxbsy) { 4068 return (1); 4069 } else { 4070 isp->isp_osinfo.mboxcmd_done = 0; 4071 isp->isp_osinfo.mboxbsy = 1; 4072 return (0); 4073 } 4074} 4075 4076void 4077isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 4078{ 4079 u_int t, to; 4080 4081 to = (mbp->timeout == 0) ? MBCMD_DEFAULT_TIMEOUT : mbp->timeout; 4082 if (isp->isp_osinfo.mbox_sleep_ok) { 4083 isp->isp_osinfo.mbox_sleep_ok = 0; 4084 isp->isp_osinfo.mbox_sleeping = 1; 4085 msleep_sbt(&isp->isp_osinfo.mboxcmd_done, &isp->isp_osinfo.lock, 4086 PRIBIO, "ispmbx_sleep", to * SBT_1US, 0, 0); 4087 isp->isp_osinfo.mbox_sleep_ok = 1; 4088 isp->isp_osinfo.mbox_sleeping = 0; 4089 } else { 4090 for (t = 0; t < to; t += 100) { 4091 if (isp->isp_osinfo.mboxcmd_done) 4092 break; 4093 ISP_RUN_ISR(isp); 4094 if (isp->isp_osinfo.mboxcmd_done) 4095 break; 4096 ISP_DELAY(100); 4097 } 4098 } 4099 if (isp->isp_osinfo.mboxcmd_done == 0) { 4100 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (%s:%d)", 4101 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 4102 isp->isp_lastmbxcmd, to, mbp->func, mbp->lineno); 4103 mbp->param[0] = MBOX_TIMEOUT; 4104 isp->isp_osinfo.mboxcmd_done = 1; 4105 } 4106} 4107 4108void 4109isp_mbox_notify_done(ispsoftc_t *isp) 4110{ 4111 isp->isp_osinfo.mboxcmd_done = 1; 4112 if (isp->isp_osinfo.mbox_sleeping) 4113 wakeup(&isp->isp_osinfo.mboxcmd_done); 4114} 4115 4116void 4117isp_mbox_release(ispsoftc_t *isp) 4118{ 4119 isp->isp_osinfo.mboxbsy = 0; 4120} 4121 4122int 4123isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 4124{ 4125 int ret = 0; 4126 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 4127 ret = -1; 4128 } else { 4129 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 4130 } 4131 return (ret); 4132} 4133 4134int 4135isp_mstohz(int ms) 4136{ 4137 int hz; 4138 struct timeval t; 4139 t.tv_sec = ms / 1000; 4140 t.tv_usec = (ms % 1000) * 1000; 4141 hz = tvtohz(&t); 4142 if (hz < 0) { 4143 hz = 0x7fffffff; 4144 } 4145 if (hz == 0) { 4146 hz = 1; 4147 } 4148 return (hz); 4149} 4150 4151void 4152isp_platform_intr(void *arg) 4153{ 4154 ispsoftc_t *isp = arg; 4155 4156 ISP_LOCK(isp); 4157 ISP_RUN_ISR(isp); 4158 ISP_UNLOCK(isp); 4159} 4160 4161void 4162isp_platform_intr_resp(void *arg) 4163{ 4164 ispsoftc_t *isp = arg; 4165 4166 ISP_LOCK(isp); 4167 isp_intr_respq(isp); 4168 ISP_UNLOCK(isp); 4169 4170 /* We have handshake enabled, so explicitly complete interrupt */ 4171 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4172} 4173 4174void 4175isp_platform_intr_atio(void *arg) 4176{ 4177 ispsoftc_t *isp = arg; 4178 4179 ISP_LOCK(isp); 4180#ifdef ISP_TARGET_MODE 4181 isp_intr_atioq(isp); 4182#endif 4183 ISP_UNLOCK(isp); 4184 4185 /* We have handshake enabled, so explicitly complete interrupt */ 4186 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4187} 4188 4189void 4190isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 4191{ 4192 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4193 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 4194 } else { 4195 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 4196 } 4197 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 4198} 4199 4200/* 4201 * Reset the command reference number for all LUNs on a specific target 4202 * (needed when a target arrives again) or for all targets on a port 4203 * (needed for events like a LIP). 4204 */ 4205void 4206isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 4207{ 4208 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4209 struct isp_nexus *nxp; 4210 int i; 4211 4212 if (tgt_set == 0) 4213 isp_prt(isp, ISP_LOGDEBUG0, 4214 "Chan %d resetting CRN on all targets", chan); 4215 else 4216 isp_prt(isp, ISP_LOGDEBUG0, 4217 "Chan %d resetting CRN on target %u", chan, tgt); 4218 4219 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 4220 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 4221 if (tgt_set == 0 || tgt == nxp->tgt) 4222 nxp->crnseed = 0; 4223 } 4224 } 4225} 4226 4227int 4228isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 4229{ 4230 lun_id_t lun; 4231 uint32_t chan, tgt; 4232 struct isp_fc *fc; 4233 struct isp_nexus *nxp; 4234 int idx; 4235 4236 if (IS_2100(isp)) 4237 return (0); 4238 4239 chan = XS_CHANNEL(cmd); 4240 tgt = XS_TGT(cmd); 4241 lun = XS_LUN(cmd); 4242 fc = &isp->isp_osinfo.pc.fc[chan]; 4243 idx = NEXUS_HASH(tgt, lun); 4244 nxp = fc->nexus_hash[idx]; 4245 4246 while (nxp) { 4247 if (nxp->tgt == tgt && nxp->lun == lun) 4248 break; 4249 nxp = nxp->next; 4250 } 4251 if (nxp == NULL) { 4252 nxp = fc->nexus_free_list; 4253 if (nxp == NULL) { 4254 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 4255 if (nxp == NULL) { 4256 return (-1); 4257 } 4258 } else { 4259 fc->nexus_free_list = nxp->next; 4260 } 4261 nxp->tgt = tgt; 4262 nxp->lun = lun; 4263 nxp->next = fc->nexus_hash[idx]; 4264 fc->nexus_hash[idx] = nxp; 4265 } 4266 if (nxp->crnseed == 0) 4267 nxp->crnseed = 1; 4268 PISP_PCMD(cmd)->crn = nxp->crnseed; 4269 *crnp = nxp->crnseed++; 4270 return (0); 4271} 4272 4273/* 4274 * We enter with the lock held 4275 */ 4276void 4277isp_timer(void *arg) 4278{ 4279 ispsoftc_t *isp = arg; 4280#ifdef ISP_TARGET_MODE 4281 isp_tmcmd_restart(isp); 4282#endif 4283 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 4284} 4285 4286isp_ecmd_t * 4287isp_get_ecmd(ispsoftc_t *isp) 4288{ 4289 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 4290 if (ecmd) { 4291 isp->isp_osinfo.ecmd_free = ecmd->next; 4292 } 4293 return (ecmd); 4294} 4295 4296void 4297isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 4298{ 4299 ecmd->next = isp->isp_osinfo.ecmd_free; 4300 isp->isp_osinfo.ecmd_free = ecmd; 4301} 4302