isp_freebsd.c revision 321867
1/*- 2 * Copyright (c) 1997-2009 by Matthew Jacob 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice immediately at the beginning of the file, without modification, 10 * this list of conditions, and the following disclaimer. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27/* 28 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters. 29 */ 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD: stable/11/sys/dev/isp/isp_freebsd.c 321867 2017-08-01 12:58:48Z mav $"); 32 33#include <dev/isp/isp_freebsd.h> 34#include <sys/unistd.h> 35#include <sys/kthread.h> 36#include <sys/conf.h> 37#include <sys/module.h> 38#include <sys/ioccom.h> 39#include <dev/isp/isp_ioctl.h> 40#include <sys/devicestat.h> 41#include <cam/cam_periph.h> 42#include <cam/cam_xpt_periph.h> 43 44MODULE_VERSION(isp, 1); 45MODULE_DEPEND(isp, cam, 1, 1, 1); 46int isp_announced = 0; 47int isp_loop_down_limit = 60; /* default loop down limit */ 48int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */ 49int isp_gone_device_time = 30; /* grace time before reporting device lost */ 50static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 51 52static void isp_freeze_loopdown(ispsoftc_t *, int); 53static void isp_loop_changed(ispsoftc_t *isp, int chan); 54static d_ioctl_t ispioctl; 55static void isp_cam_async(void *, uint32_t, struct cam_path *, void *); 56static void isp_poll(struct cam_sim *); 57static timeout_t isp_watchdog; 58static timeout_t isp_gdt; 59static task_fn_t isp_gdt_task; 60static void isp_kthread(void *); 61static void isp_action(struct cam_sim *, union ccb *); 62static int isp_timer_count; 63static void isp_timer(void *); 64 65static struct cdevsw isp_cdevsw = { 66 .d_version = D_VERSION, 67 .d_ioctl = ispioctl, 68 .d_name = "isp", 69}; 70 71static int 72isp_role_sysctl(SYSCTL_HANDLER_ARGS) 73{ 74 ispsoftc_t *isp = (ispsoftc_t *)arg1; 75 int chan = arg2; 76 int error, old, value; 77 78 value = FCPARAM(isp, chan)->role; 79 80 error = sysctl_handle_int(oidp, &value, 0, req); 81 if ((error != 0) || (req->newptr == NULL)) 82 return (error); 83 84 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 85 return (EINVAL); 86 87 ISP_LOCK(isp); 88 old = FCPARAM(isp, chan)->role; 89 90 /* We don't allow target mode switch from here. */ 91 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 92 93 /* If nothing has changed -- we are done. */ 94 if (value == old) { 95 ISP_UNLOCK(isp); 96 return (0); 97 } 98 99 /* Actually change the role. */ 100 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 101 ISP_UNLOCK(isp); 102 return (error); 103} 104 105static int 106isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 107{ 108 struct ccb_setasync csa; 109 struct cam_sim *sim; 110 struct cam_path *path; 111#ifdef ISP_TARGET_MODE 112 int i; 113#endif 114 115 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 116 device_get_unit(isp->isp_dev), &isp->isp_lock, 117 isp->isp_maxcmds, isp->isp_maxcmds, devq); 118 if (sim == NULL) 119 return (ENOMEM); 120 121 ISP_LOCK(isp); 122 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 123 ISP_UNLOCK(isp); 124 cam_sim_free(sim, FALSE); 125 return (EIO); 126 } 127 ISP_UNLOCK(isp); 128 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 129 ISP_LOCK(isp); 130 xpt_bus_deregister(cam_sim_path(sim)); 131 ISP_UNLOCK(isp); 132 cam_sim_free(sim, FALSE); 133 return (ENXIO); 134 } 135 xpt_setup_ccb(&csa.ccb_h, path, 5); 136 csa.ccb_h.func_code = XPT_SASYNC_CB; 137 csa.event_enable = AC_LOST_DEVICE; 138 csa.callback = isp_cam_async; 139 csa.callback_arg = sim; 140 141 ISP_LOCK(isp); 142 xpt_action((union ccb *)&csa); 143 ISP_UNLOCK(isp); 144 145 if (IS_SCSI(isp)) { 146 struct isp_spi *spi = ISP_SPI_PC(isp, chan); 147 spi->sim = sim; 148 spi->path = path; 149#ifdef ISP_TARGET_MODE 150 TAILQ_INIT(&spi->waitq); 151 STAILQ_INIT(&spi->ntfree); 152 for (i = 0; i < ATPDPSIZE; i++) 153 STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next); 154 LIST_INIT(&spi->atfree); 155 for (i = ATPDPSIZE-1; i >= 0; i--) 156 LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next); 157 for (i = 0; i < ATPDPHASHSIZE; i++) 158 LIST_INIT(&spi->atused[i]); 159#endif 160 } else { 161 fcparam *fcp = FCPARAM(isp, chan); 162 struct isp_fc *fc = ISP_FC_PC(isp, chan); 163 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 164 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 165 char name[16]; 166 167 ISP_LOCK(isp); 168 fc->sim = sim; 169 fc->path = path; 170 fc->isp = isp; 171 fc->ready = 1; 172 173 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0); 174 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 175#ifdef ISP_TARGET_MODE 176 TAILQ_INIT(&fc->waitq); 177 STAILQ_INIT(&fc->ntfree); 178 for (i = 0; i < ATPDPSIZE; i++) 179 STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next); 180 LIST_INIT(&fc->atfree); 181 for (i = ATPDPSIZE-1; i >= 0; i--) 182 LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next); 183 for (i = 0; i < ATPDPHASHSIZE; i++) 184 LIST_INIT(&fc->atused[i]); 185#endif 186 isp_loop_changed(isp, chan); 187 ISP_UNLOCK(isp); 188 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0, 189 "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 190 xpt_free_path(fc->path); 191 ISP_LOCK(isp); 192 xpt_bus_deregister(cam_sim_path(fc->sim)); 193 ISP_UNLOCK(isp); 194 cam_sim_free(fc->sim, FALSE); 195 return (ENOMEM); 196 } 197 fc->num_threads += 1; 198 if (chan > 0) { 199 snprintf(name, sizeof(name), "chan%d", chan); 200 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 201 OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel"); 202 } 203 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 204 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 205 "World Wide Node Name"); 206 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 207 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 208 "World Wide Port Name"); 209 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 210 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 211 "Loop Down Limit"); 212 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 213 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 214 "Gone Device Time"); 215#if defined(ISP_TARGET_MODE) && defined(DEBUG) 216 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 217 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 218 "Cause a Lost Frame on a Read"); 219#endif 220 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 221 "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan, 222 isp_role_sysctl, "I", "Current role"); 223 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 224 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 225 "Connection speed in gigabits"); 226 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 227 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 228 "Link state"); 229 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 230 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 231 "Firmware state"); 232 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 233 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 234 "Loop state"); 235 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 236 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 237 "Connection topology"); 238 } 239 return (0); 240} 241 242static void 243isp_detach_chan(ispsoftc_t *isp, int chan) 244{ 245 struct cam_sim *sim; 246 struct cam_path *path; 247 struct ccb_setasync csa; 248 int *num_threads; 249 250 ISP_GET_PC(isp, chan, sim, sim); 251 ISP_GET_PC(isp, chan, path, path); 252 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 253 254 xpt_setup_ccb(&csa.ccb_h, path, 5); 255 csa.ccb_h.func_code = XPT_SASYNC_CB; 256 csa.event_enable = 0; 257 csa.callback = isp_cam_async; 258 csa.callback_arg = sim; 259 xpt_action((union ccb *)&csa); 260 xpt_free_path(path); 261 xpt_bus_deregister(cam_sim_path(sim)); 262 cam_sim_free(sim, FALSE); 263 264 /* Wait for the channel's spawned threads to exit. */ 265 wakeup(isp->isp_osinfo.pc.ptr); 266 while (*num_threads != 0) 267 mtx_sleep(isp, &isp->isp_lock, PRIBIO, "isp_reap", 100); 268} 269 270int 271isp_attach(ispsoftc_t *isp) 272{ 273 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 274 int du = device_get_unit(isp->isp_dev); 275 int chan; 276 277 /* 278 * Create the device queue for our SIM(s). 279 */ 280 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 281 if (isp->isp_osinfo.devq == NULL) { 282 return (EIO); 283 } 284 285 for (chan = 0; chan < isp->isp_nchan; chan++) { 286 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 287 goto unwind; 288 } 289 } 290 291 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0); 292 isp_timer_count = hz >> 2; 293 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 294 295 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 296 if (isp->isp_osinfo.cdev) { 297 isp->isp_osinfo.cdev->si_drv1 = isp; 298 } 299 return (0); 300 301unwind: 302 while (--chan >= 0) { 303 struct cam_sim *sim; 304 struct cam_path *path; 305 306 ISP_GET_PC(isp, chan, sim, sim); 307 ISP_GET_PC(isp, chan, path, path); 308 xpt_free_path(path); 309 ISP_LOCK(isp); 310 xpt_bus_deregister(cam_sim_path(sim)); 311 ISP_UNLOCK(isp); 312 cam_sim_free(sim, FALSE); 313 } 314 cam_simq_free(isp->isp_osinfo.devq); 315 isp->isp_osinfo.devq = NULL; 316 return (-1); 317} 318 319int 320isp_detach(ispsoftc_t *isp) 321{ 322 int chan; 323 324 if (isp->isp_osinfo.cdev) { 325 destroy_dev(isp->isp_osinfo.cdev); 326 isp->isp_osinfo.cdev = NULL; 327 } 328 ISP_LOCK(isp); 329 /* Tell spawned threads that we're exiting. */ 330 isp->isp_osinfo.is_exiting = 1; 331 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 332 isp_detach_chan(isp, chan); 333 ISP_UNLOCK(isp); 334 callout_drain(&isp->isp_osinfo.tmo); 335 cam_simq_free(isp->isp_osinfo.devq); 336 return (0); 337} 338 339static void 340isp_freeze_loopdown(ispsoftc_t *isp, int chan) 341{ 342 struct isp_fc *fc = ISP_FC_PC(isp, chan); 343 344 if (fc->sim == NULL) 345 return; 346 if (fc->simqfrozen == 0) { 347 isp_prt(isp, ISP_LOGDEBUG0, 348 "Chan %d Freeze simq (loopdown)", chan); 349 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 350 xpt_hold_boot(); 351 xpt_freeze_simq(fc->sim, 1); 352 } else { 353 isp_prt(isp, ISP_LOGDEBUG0, 354 "Chan %d Mark simq frozen (loopdown)", chan); 355 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 356 } 357} 358 359static void 360isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 361{ 362 struct isp_fc *fc = ISP_FC_PC(isp, chan); 363 364 if (fc->sim == NULL) 365 return; 366 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 367 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 368 if (wasfrozen && fc->simqfrozen == 0) { 369 isp_prt(isp, ISP_LOGDEBUG0, 370 "Chan %d Release simq", chan); 371 xpt_release_simq(fc->sim, 1); 372 xpt_release_boot(); 373 } 374} 375 376static int 377ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 378{ 379 ispsoftc_t *isp; 380 int nr, chan, retval = ENOTTY; 381 382 isp = dev->si_drv1; 383 384 switch (c) { 385 case ISP_SDBLEV: 386 { 387 int olddblev = isp->isp_dblev; 388 isp->isp_dblev = *(int *)addr; 389 *(int *)addr = olddblev; 390 retval = 0; 391 break; 392 } 393 case ISP_GETROLE: 394 chan = *(int *)addr; 395 if (chan < 0 || chan >= isp->isp_nchan) { 396 retval = -ENXIO; 397 break; 398 } 399 if (IS_FC(isp)) { 400 *(int *)addr = FCPARAM(isp, chan)->role; 401 } else { 402 *(int *)addr = ISP_ROLE_INITIATOR; 403 } 404 retval = 0; 405 break; 406 case ISP_SETROLE: 407 if (IS_SCSI(isp)) 408 break; 409 nr = *(int *)addr; 410 chan = nr >> 8; 411 if (chan < 0 || chan >= isp->isp_nchan) { 412 retval = -ENXIO; 413 break; 414 } 415 nr &= 0xff; 416 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 417 retval = EINVAL; 418 break; 419 } 420 ISP_LOCK(isp); 421 *(int *)addr = FCPARAM(isp, chan)->role; 422 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 423 ISP_UNLOCK(isp); 424 retval = 0; 425 break; 426 427 case ISP_RESETHBA: 428 ISP_LOCK(isp); 429 isp_reinit(isp, 0); 430 ISP_UNLOCK(isp); 431 retval = 0; 432 break; 433 434 case ISP_RESCAN: 435 if (IS_FC(isp)) { 436 chan = *(int *)addr; 437 if (chan < 0 || chan >= isp->isp_nchan) { 438 retval = -ENXIO; 439 break; 440 } 441 ISP_LOCK(isp); 442 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 443 retval = EIO; 444 } else { 445 retval = 0; 446 } 447 ISP_UNLOCK(isp); 448 } 449 break; 450 451 case ISP_FC_LIP: 452 if (IS_FC(isp)) { 453 chan = *(int *)addr; 454 if (chan < 0 || chan >= isp->isp_nchan) { 455 retval = -ENXIO; 456 break; 457 } 458 ISP_LOCK(isp); 459 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 460 retval = EIO; 461 } else { 462 retval = 0; 463 } 464 ISP_UNLOCK(isp); 465 } 466 break; 467 case ISP_FC_GETDINFO: 468 { 469 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 470 fcportdb_t *lp; 471 472 if (IS_SCSI(isp)) { 473 break; 474 } 475 if (ifc->loopid >= MAX_FC_TARG) { 476 retval = EINVAL; 477 break; 478 } 479 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 480 if (lp->state != FC_PORTDB_STATE_NIL) { 481 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 482 ifc->loopid = lp->handle; 483 ifc->portid = lp->portid; 484 ifc->node_wwn = lp->node_wwn; 485 ifc->port_wwn = lp->port_wwn; 486 retval = 0; 487 } else { 488 retval = ENODEV; 489 } 490 break; 491 } 492 case ISP_FC_GETHINFO: 493 { 494 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 495 int chan = hba->fc_channel; 496 497 if (chan < 0 || chan >= isp->isp_nchan) { 498 retval = ENXIO; 499 break; 500 } 501 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 502 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 503 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 504 hba->fc_nchannels = isp->isp_nchan; 505 if (IS_FC(isp)) { 506 hba->fc_nports = MAX_FC_TARG; 507 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 508 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 509 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 510 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 511 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 512 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 513 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 514 } else { 515 hba->fc_nports = MAX_TARGETS; 516 hba->fc_speed = 0; 517 hba->fc_topology = 0; 518 hba->nvram_node_wwn = 0ull; 519 hba->nvram_port_wwn = 0ull; 520 hba->active_node_wwn = 0ull; 521 hba->active_port_wwn = 0ull; 522 } 523 retval = 0; 524 break; 525 } 526 case ISP_TSK_MGMT: 527 { 528 int needmarker; 529 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 530 uint16_t nphdl; 531 mbreg_t mbs; 532 533 if (IS_SCSI(isp)) { 534 break; 535 } 536 537 chan = fct->chan; 538 if (chan < 0 || chan >= isp->isp_nchan) { 539 retval = -ENXIO; 540 break; 541 } 542 543 needmarker = retval = 0; 544 nphdl = fct->loopid; 545 ISP_LOCK(isp); 546 if (IS_24XX(isp)) { 547 void *reqp; 548 uint8_t resp[QENTRY_LEN]; 549 isp24xx_tmf_t tmf; 550 isp24xx_statusreq_t sp; 551 fcparam *fcp = FCPARAM(isp, chan); 552 fcportdb_t *lp; 553 int i; 554 555 for (i = 0; i < MAX_FC_TARG; i++) { 556 lp = &fcp->portdb[i]; 557 if (lp->handle == nphdl) { 558 break; 559 } 560 } 561 if (i == MAX_FC_TARG) { 562 retval = ENXIO; 563 ISP_UNLOCK(isp); 564 break; 565 } 566 ISP_MEMZERO(&tmf, sizeof(tmf)); 567 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 568 tmf.tmf_header.rqs_entry_count = 1; 569 tmf.tmf_nphdl = lp->handle; 570 tmf.tmf_delay = 2; 571 tmf.tmf_timeout = 4; 572 tmf.tmf_tidlo = lp->portid; 573 tmf.tmf_tidhi = lp->portid >> 16; 574 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 575 tmf.tmf_lun[1] = fct->lun & 0xff; 576 if (fct->lun >= 256) { 577 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 578 } 579 switch (fct->action) { 580 case IPT_CLEAR_ACA: 581 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 582 break; 583 case IPT_TARGET_RESET: 584 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 585 needmarker = 1; 586 break; 587 case IPT_LUN_RESET: 588 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 589 needmarker = 1; 590 break; 591 case IPT_CLEAR_TASK_SET: 592 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 593 needmarker = 1; 594 break; 595 case IPT_ABORT_TASK_SET: 596 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 597 needmarker = 1; 598 break; 599 default: 600 retval = EINVAL; 601 break; 602 } 603 if (retval) { 604 ISP_UNLOCK(isp); 605 break; 606 } 607 608 /* Prepare space for response in memory */ 609 memset(resp, 0xff, sizeof(resp)); 610 tmf.tmf_handle = isp_allocate_handle(isp, resp, 611 ISP_HANDLE_CTRL); 612 if (tmf.tmf_handle == 0) { 613 isp_prt(isp, ISP_LOGERR, 614 "%s: TMF of Chan %d out of handles", 615 __func__, chan); 616 ISP_UNLOCK(isp); 617 retval = ENOMEM; 618 break; 619 } 620 621 /* Send request and wait for response. */ 622 reqp = isp_getrqentry(isp); 623 if (reqp == NULL) { 624 isp_prt(isp, ISP_LOGERR, 625 "%s: TMF of Chan %d out of rqent", 626 __func__, chan); 627 isp_destroy_handle(isp, tmf.tmf_handle); 628 ISP_UNLOCK(isp); 629 retval = EIO; 630 break; 631 } 632 isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp); 633 if (isp->isp_dblev & ISP_LOGDEBUG1) 634 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp); 635 ISP_SYNC_REQUEST(isp); 636 if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) { 637 isp_prt(isp, ISP_LOGERR, 638 "%s: TMF of Chan %d timed out", 639 __func__, chan); 640 isp_destroy_handle(isp, tmf.tmf_handle); 641 ISP_UNLOCK(isp); 642 retval = EIO; 643 break; 644 } 645 if (isp->isp_dblev & ISP_LOGDEBUG1) 646 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp); 647 isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp); 648 649 if (sp.req_completion_status != 0) 650 retval = EIO; 651 else if (needmarker) 652 fcp->sendmarker = 1; 653 } else { 654 MBSINIT(&mbs, 0, MBLOGALL, 0); 655 if (ISP_CAP_2KLOGIN(isp) == 0) { 656 nphdl <<= 8; 657 } 658 switch (fct->action) { 659 case IPT_CLEAR_ACA: 660 mbs.param[0] = MBOX_CLEAR_ACA; 661 mbs.param[1] = nphdl; 662 mbs.param[2] = fct->lun; 663 break; 664 case IPT_TARGET_RESET: 665 mbs.param[0] = MBOX_TARGET_RESET; 666 mbs.param[1] = nphdl; 667 needmarker = 1; 668 break; 669 case IPT_LUN_RESET: 670 mbs.param[0] = MBOX_LUN_RESET; 671 mbs.param[1] = nphdl; 672 mbs.param[2] = fct->lun; 673 needmarker = 1; 674 break; 675 case IPT_CLEAR_TASK_SET: 676 mbs.param[0] = MBOX_CLEAR_TASK_SET; 677 mbs.param[1] = nphdl; 678 mbs.param[2] = fct->lun; 679 needmarker = 1; 680 break; 681 case IPT_ABORT_TASK_SET: 682 mbs.param[0] = MBOX_ABORT_TASK_SET; 683 mbs.param[1] = nphdl; 684 mbs.param[2] = fct->lun; 685 needmarker = 1; 686 break; 687 default: 688 retval = EINVAL; 689 break; 690 } 691 if (retval == 0) { 692 if (needmarker) { 693 FCPARAM(isp, chan)->sendmarker = 1; 694 } 695 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 696 if (retval) { 697 retval = EIO; 698 } 699 } 700 } 701 ISP_UNLOCK(isp); 702 break; 703 } 704 default: 705 break; 706 } 707 return (retval); 708} 709 710/* 711 * Local Inlines 712 */ 713 714static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 715static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 716 717static ISP_INLINE int 718isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 719{ 720 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 721 if (ISP_PCMD(ccb) == NULL) { 722 return (-1); 723 } 724 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 725 return (0); 726} 727 728static ISP_INLINE void 729isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 730{ 731 if (ISP_PCMD(ccb)) { 732#ifdef ISP_TARGET_MODE 733 PISP_PCMD(ccb)->datalen = 0; 734#endif 735 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 736 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 737 ISP_PCMD(ccb) = NULL; 738 } 739} 740 741/* 742 * Put the target mode functions here, because some are inlines 743 */ 744#ifdef ISP_TARGET_MODE 745static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 746static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 747static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 748static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 749static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 750static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 751static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 752static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 753static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 754static void isp_enable_lun(ispsoftc_t *, union ccb *); 755static void isp_disable_lun(ispsoftc_t *, union ccb *); 756static timeout_t isp_refire_putback_atio; 757static timeout_t isp_refire_notify_ack; 758static void isp_complete_ctio(union ccb *); 759static void isp_target_putback_atio(union ccb *); 760enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 761static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 762static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 763static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 764static void isp_handle_platform_ctio(ispsoftc_t *, void *); 765static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 766static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 767static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 768 769static ISP_INLINE tstate_t * 770get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 771{ 772 tstate_t *tptr = NULL; 773 struct tslist *lhp; 774 775 if (bus < isp->isp_nchan) { 776 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 777 SLIST_FOREACH(tptr, lhp, next) { 778 if (tptr->ts_lun == lun) 779 return (tptr); 780 } 781 } 782 return (NULL); 783} 784 785static int 786isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 787{ 788 inot_private_data_t *ntp; 789 struct ntpdlist rq; 790 791 if (STAILQ_EMPTY(&tptr->restart_queue)) 792 return (0); 793 STAILQ_INIT(&rq); 794 STAILQ_CONCAT(&rq, &tptr->restart_queue); 795 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 796 STAILQ_REMOVE_HEAD(&rq, next); 797 if (IS_24XX(isp)) { 798 isp_prt(isp, ISP_LOGTDEBUG0, 799 "%s: restarting resrc deprived %x", __func__, 800 ((at7_entry_t *)ntp->data)->at_rxid); 801 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 802 } else { 803 isp_prt(isp, ISP_LOGTDEBUG0, 804 "%s: restarting resrc deprived %x", __func__, 805 ((at2_entry_t *)ntp->data)->at_rxid); 806 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data); 807 } 808 isp_put_ntpd(isp, bus, ntp); 809 if (!STAILQ_EMPTY(&tptr->restart_queue)) 810 break; 811 } 812 if (!STAILQ_EMPTY(&rq)) { 813 STAILQ_CONCAT(&rq, &tptr->restart_queue); 814 STAILQ_CONCAT(&tptr->restart_queue, &rq); 815 } 816 return (!STAILQ_EMPTY(&tptr->restart_queue)); 817} 818 819static void 820isp_tmcmd_restart(ispsoftc_t *isp) 821{ 822 tstate_t *tptr; 823 union ccb *ccb; 824 struct tslist *lhp; 825 struct isp_ccbq *waitq; 826 int bus, i; 827 828 for (bus = 0; bus < isp->isp_nchan; bus++) { 829 for (i = 0; i < LUN_HASH_SIZE; i++) { 830 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 831 SLIST_FOREACH(tptr, lhp, next) 832 isp_atio_restart(isp, bus, tptr); 833 } 834 835 /* 836 * We only need to do this once per channel. 837 */ 838 ISP_GET_PC_ADDR(isp, bus, waitq, waitq); 839 ccb = (union ccb *)TAILQ_FIRST(waitq); 840 if (ccb != NULL) { 841 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 842 isp_target_start_ctio(isp, ccb, FROM_TIMER); 843 } 844 } 845} 846 847static atio_private_data_t * 848isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 849{ 850 struct atpdlist *atfree; 851 struct atpdlist *atused; 852 atio_private_data_t *atp; 853 854 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 855 atp = LIST_FIRST(atfree); 856 if (atp) { 857 LIST_REMOVE(atp, next); 858 atp->tag = tag; 859 ISP_GET_PC(isp, chan, atused, atused); 860 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next); 861 } 862 return (atp); 863} 864 865static atio_private_data_t * 866isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 867{ 868 struct atpdlist *atused; 869 atio_private_data_t *atp; 870 871 ISP_GET_PC(isp, chan, atused, atused); 872 LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) { 873 if (atp->tag == tag) 874 return (atp); 875 } 876 return (NULL); 877} 878 879static void 880isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 881{ 882 struct atpdlist *atfree; 883 884 if (atp->ests) { 885 isp_put_ecmd(isp, atp->ests); 886 } 887 LIST_REMOVE(atp, next); 888 memset(atp, 0, sizeof (*atp)); 889 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 890 LIST_INSERT_HEAD(atfree, atp, next); 891} 892 893static void 894isp_dump_atpd(ispsoftc_t *isp, int chan) 895{ 896 atio_private_data_t *atp, *atpool; 897 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 898 899 ISP_GET_PC(isp, chan, atpool, atpool); 900 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 901 if (atp->state == ATPD_STATE_FREE) 902 continue; 903 isp_prt(isp, ISP_LOGALL, "Chan %d ATP [0x%x] origdlen %u bytes_xfrd %u lun %jx nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s", 904 chan, atp->tag, atp->orig_datalen, atp->bytes_xfered, (uintmax_t)atp->lun, atp->nphdl, atp->sid, atp->did, atp->oxid, states[atp->state & 0x7]); 905 } 906} 907 908static inot_private_data_t * 909isp_get_ntpd(ispsoftc_t *isp, int chan) 910{ 911 struct ntpdlist *ntfree; 912 inot_private_data_t *ntp; 913 914 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 915 ntp = STAILQ_FIRST(ntfree); 916 if (ntp) 917 STAILQ_REMOVE_HEAD(ntfree, next); 918 return (ntp); 919} 920 921static inot_private_data_t * 922isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 923{ 924 inot_private_data_t *ntp, *ntp2; 925 926 ISP_GET_PC(isp, chan, ntpool, ntp); 927 ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2); 928 for (; ntp < ntp2; ntp++) { 929 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 930 return (ntp); 931 } 932 return (NULL); 933} 934 935static void 936isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 937{ 938 struct ntpdlist *ntfree; 939 940 ntp->tag_id = ntp->seq_id = 0; 941 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 942 STAILQ_INSERT_HEAD(ntfree, ntp, next); 943} 944 945static cam_status 946create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 947{ 948 lun_id_t lun; 949 struct tslist *lhp; 950 tstate_t *tptr; 951 952 lun = xpt_path_lun_id(path); 953 if (lun != CAM_LUN_WILDCARD) { 954 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) { 955 return (CAM_LUN_INVALID); 956 } 957 } 958 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 959 if (tptr == NULL) { 960 return (CAM_RESRC_UNAVAIL); 961 } 962 tptr->ts_lun = lun; 963 SLIST_INIT(&tptr->atios); 964 SLIST_INIT(&tptr->inots); 965 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 966 SLIST_INSERT_HEAD(lhp, tptr, next); 967 *rslt = tptr; 968 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 969 return (CAM_REQ_CMP); 970} 971 972static void 973destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 974{ 975 union ccb *ccb; 976 struct tslist *lhp; 977 inot_private_data_t *ntp; 978 979 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 980 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 981 ccb->ccb_h.status = CAM_REQ_ABORTED; 982 xpt_done(ccb); 983 }; 984 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 985 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 986 ccb->ccb_h.status = CAM_REQ_ABORTED; 987 xpt_done(ccb); 988 } 989 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 990 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 991 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 992 isp_put_ntpd(isp, bus, ntp); 993 } 994 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 995 SLIST_REMOVE(lhp, tptr, tstate, next); 996 free(tptr, M_DEVBUF); 997} 998 999static void 1000isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1001{ 1002 tstate_t *tptr; 1003 int bus; 1004 target_id_t target; 1005 lun_id_t lun; 1006 1007 if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) { 1008 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n"); 1009 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1010 xpt_done(ccb); 1011 return; 1012 } 1013 1014 /* 1015 * We only support either target and lun both wildcard 1016 * or target and lun both non-wildcard. 1017 */ 1018 bus = XS_CHANNEL(ccb); 1019 target = ccb->ccb_h.target_id; 1020 lun = ccb->ccb_h.target_lun; 1021 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1022 "enabling lun %jx\n", (uintmax_t)lun); 1023 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1024 ccb->ccb_h.status = CAM_LUN_INVALID; 1025 xpt_done(ccb); 1026 return; 1027 } 1028 1029 /* Create the state pointer. It should not already exist. */ 1030 tptr = get_lun_statep(isp, bus, lun); 1031 if (tptr) { 1032 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1033 xpt_done(ccb); 1034 return; 1035 } 1036 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1037 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1038 xpt_done(ccb); 1039 return; 1040 } 1041 1042 ccb->ccb_h.status = CAM_REQ_CMP; 1043 xpt_done(ccb); 1044} 1045 1046static void 1047isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1048{ 1049 tstate_t *tptr = NULL; 1050 int bus; 1051 target_id_t target; 1052 lun_id_t lun; 1053 1054 bus = XS_CHANNEL(ccb); 1055 target = ccb->ccb_h.target_id; 1056 lun = ccb->ccb_h.target_lun; 1057 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1058 "disabling lun %jx\n", (uintmax_t)lun); 1059 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1060 ccb->ccb_h.status = CAM_LUN_INVALID; 1061 xpt_done(ccb); 1062 return; 1063 } 1064 1065 /* Find the state pointer. */ 1066 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1067 ccb->ccb_h.status = CAM_PATH_INVALID; 1068 xpt_done(ccb); 1069 return; 1070 } 1071 1072 destroy_lun_state(isp, bus, tptr); 1073 ccb->ccb_h.status = CAM_REQ_CMP; 1074 xpt_done(ccb); 1075} 1076 1077static void 1078isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1079{ 1080 int fctape, sendstatus, resid; 1081 fcparam *fcp; 1082 atio_private_data_t *atp; 1083 struct ccb_scsiio *cso; 1084 struct isp_ccbq *waitq; 1085 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1086 uint8_t local[QENTRY_LEN]; 1087 1088 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ENTRY[0x%x] how %u xfrlen %u sendstatus %d sense_len %u", __func__, ccb->csio.tag_id, how, ccb->csio.dxfer_len, 1089 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1090 1091 ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq); 1092 switch (how) { 1093 case FROM_CAM: 1094 /* 1095 * Insert at the tail of the list, if any, waiting CTIO CCBs 1096 */ 1097 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 1098 break; 1099 case FROM_TIMER: 1100 case FROM_SRR: 1101 case FROM_CTIO_DONE: 1102 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1103 break; 1104 } 1105 1106 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 1107 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 1108 1109 cso = &ccb->csio; 1110 xfrlen = cso->dxfer_len; 1111 if (xfrlen == 0) { 1112 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1113 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1114 ccb->ccb_h.status = CAM_REQ_INVALID; 1115 xpt_done(ccb); 1116 continue; 1117 } 1118 } 1119 1120 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 1121 if (atp == NULL) { 1122 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1123 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 1124 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1125 xpt_done(ccb); 1126 continue; 1127 } 1128 1129 /* 1130 * Is this command a dead duck? 1131 */ 1132 if (atp->dead) { 1133 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1134 ccb->ccb_h.status = CAM_REQ_ABORTED; 1135 xpt_done(ccb); 1136 continue; 1137 } 1138 1139 /* 1140 * Check to make sure we're still in target mode. 1141 */ 1142 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1143 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1144 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1145 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1146 xpt_done(ccb); 1147 continue; 1148 } 1149 1150 /* 1151 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1152 * could be split into two CTIOs to split data and status). 1153 */ 1154 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1155 isp_prt(isp, ISP_LOGTINFO, "[0x%x] handling only %d CCBs at a time (flags for this ccb: 0x%x)", cso->tag_id, ATPD_CCB_OUTSTANDING, ccb->ccb_h.flags); 1156 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1157 break; 1158 } 1159 1160 /* 1161 * Does the initiator expect FC-Tape style responses? 1162 */ 1163 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1164 fctape = 1; 1165 } else { 1166 fctape = 0; 1167 } 1168 1169 /* 1170 * If we already did the data xfer portion of a CTIO that sends data 1171 * and status, don't do it again and do the status portion now. 1172 */ 1173 if (atp->sendst) { 1174 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1175 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1176 xfrlen = 0; /* we already did the data transfer */ 1177 atp->sendst = 0; 1178 } 1179 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1180 sendstatus = 1; 1181 } else { 1182 sendstatus = 0; 1183 } 1184 1185 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1186 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1187 /* 1188 * Sense length is not the entire sense data structure size. Periph 1189 * drivers don't seem to be setting sense_len to reflect the actual 1190 * size. We'll peek inside to get the right amount. 1191 */ 1192 sense_length = cso->sense_len; 1193 1194 /* 1195 * This 'cannot' happen 1196 */ 1197 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1198 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1199 } 1200 } else { 1201 sense_length = 0; 1202 } 1203 1204 memset(local, 0, QENTRY_LEN); 1205 1206 /* 1207 * Check for overflow 1208 */ 1209 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1210 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1211 isp_prt(isp, ISP_LOGERR, 1212 "%s: [0x%x] data overflow by %u bytes", __func__, 1213 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1214 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1215 xpt_done(ccb); 1216 continue; 1217 } 1218 if (xfrlen > atp->orig_datalen - tmp) { 1219 xfrlen = atp->orig_datalen - tmp; 1220 if (xfrlen == 0 && !sendstatus) { 1221 cso->resid = cso->dxfer_len; 1222 ccb->ccb_h.status = CAM_REQ_CMP; 1223 xpt_done(ccb); 1224 continue; 1225 } 1226 } 1227 1228 if (IS_24XX(isp)) { 1229 ct7_entry_t *cto = (ct7_entry_t *) local; 1230 1231 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1232 cto->ct_header.rqs_entry_count = 1; 1233 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1234 ATPD_SET_SEQNO(cto, atp); 1235 cto->ct_nphdl = atp->nphdl; 1236 cto->ct_rxid = atp->tag; 1237 cto->ct_iid_lo = atp->sid; 1238 cto->ct_iid_hi = atp->sid >> 16; 1239 cto->ct_oxid = atp->oxid; 1240 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1241 cto->ct_timeout = XS_TIME(ccb); 1242 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1243 1244 /* 1245 * Mode 1, status, no data. Only possible when we are sending status, have 1246 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1247 * 1248 * Mode 2, status, no data. We have to use this in the case that 1249 * the sense data won't fit into a ct7_entry_t. 1250 * 1251 */ 1252 if (sendstatus && xfrlen == 0) { 1253 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1254 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1255 if (sense_length <= MAXRESPLEN_24XX) { 1256 cto->ct_flags |= CT7_FLAG_MODE1; 1257 cto->ct_scsi_status = cso->scsi_status; 1258 if (resid < 0) { 1259 cto->ct_resid = -resid; 1260 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1261 } else if (resid > 0) { 1262 cto->ct_resid = resid; 1263 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1264 } 1265 if (fctape) { 1266 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1267 } 1268 if (sense_length) { 1269 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1270 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1271 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1272 } 1273 } else { 1274 bus_addr_t addr; 1275 char buf[XCMD_SIZE]; 1276 fcp_rsp_iu_t *rp; 1277 1278 if (atp->ests == NULL) { 1279 atp->ests = isp_get_ecmd(isp); 1280 if (atp->ests == NULL) { 1281 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1282 break; 1283 } 1284 } 1285 memset(buf, 0, sizeof (buf)); 1286 rp = (fcp_rsp_iu_t *)buf; 1287 if (fctape) { 1288 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1289 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1290 } 1291 cto->ct_flags |= CT7_FLAG_MODE2; 1292 rp->fcp_rsp_scsi_status = cso->scsi_status; 1293 if (resid < 0) { 1294 rp->fcp_rsp_resid = -resid; 1295 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1296 } else if (resid > 0) { 1297 rp->fcp_rsp_resid = resid; 1298 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1299 } 1300 if (sense_length) { 1301 rp->fcp_rsp_snslen = sense_length; 1302 cto->ct_senselen = sense_length; 1303 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1304 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1305 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1306 } else { 1307 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1308 } 1309 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1310 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1311 } 1312 addr = isp->isp_osinfo.ecmd_dma; 1313 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1314 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests, 1315 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1316 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1317 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1318 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1319 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1320 } 1321 if (sense_length) { 1322 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d slen %u sense: %x %x/%x/%x", __func__, 1323 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid, sense_length, 1324 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1325 } else { 1326 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1327 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1328 } 1329 atp->state = ATPD_STATE_LAST_CTIO; 1330 } 1331 1332 /* 1333 * Mode 0 data transfers, *possibly* with status. 1334 */ 1335 if (xfrlen != 0) { 1336 cto->ct_flags |= CT7_FLAG_MODE0; 1337 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1338 cto->ct_flags |= CT7_DATA_IN; 1339 } else { 1340 cto->ct_flags |= CT7_DATA_OUT; 1341 } 1342 1343 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1344 cto->rsp.m0.ct_xfrlen = xfrlen; 1345 1346#ifdef DEBUG 1347 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1348 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1349 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1350 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1351 } 1352#endif 1353 if (sendstatus) { 1354 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1355 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1356 cto->ct_flags |= CT7_SENDSTATUS; 1357 atp->state = ATPD_STATE_LAST_CTIO; 1358 if (fctape) { 1359 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1360 } 1361 } else { 1362 atp->sendst = 1; /* send status later */ 1363 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1364 atp->state = ATPD_STATE_CTIO; 1365 } 1366 } else { 1367 atp->state = ATPD_STATE_CTIO; 1368 } 1369 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x xfrlen=%u off=%u", __func__, 1370 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1371 } 1372 } else { 1373 ct2_entry_t *cto = (ct2_entry_t *) local; 1374 1375 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1376 cto->ct_header.rqs_entry_count = 1; 1377 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1378 ATPD_SET_SEQNO(cto, atp); 1379 if (ISP_CAP_2KLOGIN(isp)) { 1380 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl; 1381 } else { 1382 cto->ct_iid = atp->nphdl; 1383 if (ISP_CAP_SCCFW(isp) == 0) { 1384 cto->ct_lun = ccb->ccb_h.target_lun; 1385 } 1386 } 1387 cto->ct_timeout = XS_TIME(ccb); 1388 cto->ct_rxid = cso->tag_id; 1389 1390 /* 1391 * Mode 1, status, no data. Only possible when we are sending status, have 1392 * no data to transfer, and the sense length can fit in the ct7_entry. 1393 * 1394 * Mode 2, status, no data. We have to use this in the case the response 1395 * length won't fit into a ct2_entry_t. 1396 * 1397 * We'll fill out this structure with information as if this were a 1398 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1399 * needed based upon this. 1400 */ 1401 if (sendstatus && xfrlen == 0) { 1402 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1403 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1404 if (sense_length <= MAXRESPLEN) { 1405 if (resid < 0) { 1406 cto->ct_resid = -resid; 1407 } else if (resid > 0) { 1408 cto->ct_resid = resid; 1409 } 1410 cto->ct_flags |= CT2_FLAG_MODE1; 1411 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1412 if (resid < 0) { 1413 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1414 } else if (resid > 0) { 1415 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1416 } 1417 if (fctape) { 1418 cto->ct_flags |= CT2_CONFIRM; 1419 } 1420 if (sense_length) { 1421 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1422 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1423 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1424 } 1425 } else { 1426 bus_addr_t addr; 1427 char buf[XCMD_SIZE]; 1428 fcp_rsp_iu_t *rp; 1429 1430 if (atp->ests == NULL) { 1431 atp->ests = isp_get_ecmd(isp); 1432 if (atp->ests == NULL) { 1433 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1434 break; 1435 } 1436 } 1437 memset(buf, 0, sizeof (buf)); 1438 rp = (fcp_rsp_iu_t *)buf; 1439 if (fctape) { 1440 cto->ct_flags |= CT2_CONFIRM; 1441 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1442 } 1443 cto->ct_flags |= CT2_FLAG_MODE2; 1444 rp->fcp_rsp_scsi_status = cso->scsi_status; 1445 if (resid < 0) { 1446 rp->fcp_rsp_resid = -resid; 1447 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1448 } else if (resid > 0) { 1449 rp->fcp_rsp_resid = resid; 1450 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1451 } 1452 if (sense_length) { 1453 rp->fcp_rsp_snslen = sense_length; 1454 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1455 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1456 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1457 } else { 1458 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1459 } 1460 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1461 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1462 } 1463 addr = isp->isp_osinfo.ecmd_dma; 1464 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1465 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, 1466 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1467 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1468 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 1469 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1470 } 1471 if (sense_length) { 1472 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__, 1473 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, 1474 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1475 } else { 1476 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, 1477 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid); 1478 } 1479 atp->state = ATPD_STATE_LAST_CTIO; 1480 } 1481 1482 if (xfrlen != 0) { 1483 cto->ct_flags |= CT2_FLAG_MODE0; 1484 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1485 cto->ct_flags |= CT2_DATA_IN; 1486 } else { 1487 cto->ct_flags |= CT2_DATA_OUT; 1488 } 1489 1490 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit; 1491 cto->rsp.m0.ct_xfrlen = xfrlen; 1492 1493 if (sendstatus) { 1494 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1495 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) { 1496 cto->ct_flags |= CT2_SENDSTATUS; 1497 atp->state = ATPD_STATE_LAST_CTIO; 1498 if (fctape) { 1499 cto->ct_flags |= CT2_CONFIRM; 1500 } 1501 } else { 1502 atp->sendst = 1; /* send status later */ 1503 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1504 atp->state = ATPD_STATE_CTIO; 1505 } 1506 } else { 1507 atp->state = ATPD_STATE_CTIO; 1508 } 1509 } 1510 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, 1511 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); 1512 } 1513 1514 if (isp_get_pcmd(isp, ccb)) { 1515 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1516 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1517 break; 1518 } 1519 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1520 if (handle == 0) { 1521 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1522 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1523 isp_free_pcmd(isp, ccb); 1524 break; 1525 } 1526 atp->bytes_in_transit += xfrlen; 1527 PISP_PCMD(ccb)->datalen = xfrlen; 1528 1529 1530 /* 1531 * Call the dma setup routines for this entry (and any subsequent 1532 * CTIOs) if there's data to move, and then tell the f/w it's got 1533 * new things to play with. As with isp_start's usage of DMA setup, 1534 * any swizzling is done in the machine dependent layer. Because 1535 * of this, we put the request onto the queue area first in native 1536 * format. 1537 */ 1538 1539 if (IS_24XX(isp)) { 1540 ct7_entry_t *cto = (ct7_entry_t *) local; 1541 cto->ct_syshandle = handle; 1542 } else { 1543 ct2_entry_t *cto = (ct2_entry_t *) local; 1544 cto->ct_syshandle = handle; 1545 } 1546 1547 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local); 1548 if (dmaresult != CMD_QUEUED) { 1549 isp_destroy_handle(isp, handle); 1550 isp_free_pcmd(isp, ccb); 1551 if (dmaresult == CMD_EAGAIN) { 1552 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1553 break; 1554 } 1555 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1556 xpt_done(ccb); 1557 continue; 1558 } 1559 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1560 if (xfrlen) { 1561 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1562 } else { 1563 ccb->ccb_h.spriv_field0 = ~0; 1564 } 1565 atp->ctcnt++; 1566 atp->seqno++; 1567 } 1568} 1569 1570static void 1571isp_refire_putback_atio(void *arg) 1572{ 1573 union ccb *ccb = arg; 1574 1575 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb)); 1576 isp_target_putback_atio(ccb); 1577} 1578 1579static void 1580isp_refire_notify_ack(void *arg) 1581{ 1582 isp_tna_t *tp = arg; 1583 ispsoftc_t *isp = tp->isp; 1584 1585 ISP_ASSERT_LOCKED(isp); 1586 if (isp_notify_ack(isp, tp->not)) { 1587 callout_schedule(&tp->timer, 5); 1588 } else { 1589 free(tp, M_DEVBUF); 1590 } 1591} 1592 1593 1594static void 1595isp_target_putback_atio(union ccb *ccb) 1596{ 1597 ispsoftc_t *isp = XS_ISP(ccb); 1598 struct ccb_scsiio *cso = &ccb->csio; 1599 at2_entry_t local, *at = &local; 1600 1601 ISP_MEMZERO(at, sizeof (at2_entry_t)); 1602 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 1603 at->at_header.rqs_entry_count = 1; 1604 if (ISP_CAP_SCCFW(isp)) { 1605 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 1606 } else { 1607 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 1608 } 1609 at->at_status = CT_OK; 1610 at->at_rxid = cso->tag_id; 1611 at->at_iid = cso->init_id; 1612 if (isp_target_put_entry(isp, at)) { 1613 callout_reset(&PISP_PCMD(ccb)->wdog, 10, 1614 isp_refire_putback_atio, ccb); 1615 } else 1616 isp_complete_ctio(ccb); 1617} 1618 1619static void 1620isp_complete_ctio(union ccb *ccb) 1621{ 1622 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1623 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1624 xpt_done(ccb); 1625 } 1626} 1627 1628static void 1629isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep) 1630{ 1631 fcparam *fcp; 1632 lun_id_t lun; 1633 fcportdb_t *lp; 1634 tstate_t *tptr; 1635 struct ccb_accept_tio *atiop; 1636 uint16_t nphdl; 1637 atio_private_data_t *atp; 1638 inot_private_data_t *ntp; 1639 1640 /* 1641 * The firmware status (except for the QLTM_SVALID bit) 1642 * indicates why this ATIO was sent to us. 1643 * 1644 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 1645 */ 1646 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 1647 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status); 1648 isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0); 1649 return; 1650 } 1651 1652 fcp = FCPARAM(isp, 0); 1653 if (ISP_CAP_SCCFW(isp)) { 1654 lun = aep->at_scclun; 1655 } else { 1656 lun = aep->at_lun; 1657 } 1658 if (ISP_CAP_2KLOGIN(isp)) { 1659 nphdl = ((at2e_entry_t *)aep)->at_iid; 1660 } else { 1661 nphdl = aep->at_iid; 1662 } 1663 tptr = get_lun_statep(isp, 0, lun); 1664 if (tptr == NULL) { 1665 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 1666 if (tptr == NULL) { 1667 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun); 1668 if (lun == 0) { 1669 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1670 } else { 1671 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1672 } 1673 return; 1674 } 1675 } 1676 1677 /* 1678 * Start any commands pending resources first. 1679 */ 1680 if (isp_atio_restart(isp, 0, tptr)) 1681 goto noresrc; 1682 1683 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1684 if (atiop == NULL) { 1685 goto noresrc; 1686 } 1687 1688 atp = isp_get_atpd(isp, 0, aep->at_rxid); 1689 if (atp == NULL) { 1690 goto noresrc; 1691 } 1692 1693 atp->state = ATPD_STATE_ATIO; 1694 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1695 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1696 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1697 atiop->ccb_h.target_lun = lun; 1698 1699 /* 1700 * We don't get 'suggested' sense data as we do with SCSI cards. 1701 */ 1702 atiop->sense_len = 0; 1703 1704 /* 1705 * If we're not in the port database, add ourselves. 1706 */ 1707 if (IS_2100(isp)) 1708 atiop->init_id = nphdl; 1709 else { 1710 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) { 1711 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp); 1712 } else { 1713 isp_prt(isp, ISP_LOGTINFO, "%s: port %x isn't in PDB", 1714 __func__, nphdl); 1715 isp_dump_portdb(isp, 0); 1716 isp_endcmd(isp, aep, NIL_HANDLE, 0, ECMD_TERMINATE, 0); 1717 return; 1718 } 1719 } 1720 atiop->cdb_len = ATIO2_CDBLEN; 1721 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 1722 atiop->ccb_h.status = CAM_CDB_RECVD; 1723 atiop->tag_id = atp->tag; 1724 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 1725 case ATIO2_TC_ATTR_SIMPLEQ: 1726 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1727 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1728 break; 1729 case ATIO2_TC_ATTR_HEADOFQ: 1730 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1731 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1732 break; 1733 case ATIO2_TC_ATTR_ORDERED: 1734 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1735 atiop->tag_action = MSG_ORDERED_Q_TAG; 1736 break; 1737 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 1738 case ATIO2_TC_ATTR_UNTAGGED: 1739 default: 1740 atiop->tag_action = 0; 1741 break; 1742 } 1743 1744 atp->orig_datalen = aep->at_datalen; 1745 atp->bytes_xfered = 0; 1746 atp->lun = lun; 1747 atp->nphdl = nphdl; 1748 atp->sid = PORT_ANY; 1749 atp->oxid = aep->at_oxid; 1750 atp->cdb0 = aep->at_cdb[0]; 1751 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 1752 atp->state = ATPD_STATE_CAM; 1753 xpt_done((union ccb *)atiop); 1754 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %jx datalen %u", aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1755 return; 1756noresrc: 1757 ntp = isp_get_ntpd(isp, 0); 1758 if (ntp == NULL) { 1759 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1760 return; 1761 } 1762 memcpy(ntp->data, aep, QENTRY_LEN); 1763 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1764} 1765 1766static void 1767isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1768{ 1769 int cdbxlen; 1770 lun_id_t lun; 1771 uint16_t chan, nphdl = NIL_HANDLE; 1772 uint32_t did, sid; 1773 fcportdb_t *lp; 1774 tstate_t *tptr; 1775 struct ccb_accept_tio *atiop; 1776 atio_private_data_t *atp = NULL; 1777 atio_private_data_t *oatp; 1778 inot_private_data_t *ntp; 1779 1780 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1781 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1782 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1783 1784 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1785 /* Channel has to be derived from D_ID */ 1786 isp_find_chan_by_did(isp, did, &chan); 1787 if (chan == ISP_NOCHAN) { 1788 isp_prt(isp, ISP_LOGWARN, 1789 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1790 __func__, aep->at_rxid, did); 1791 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1792 ECMD_TERMINATE, 0); 1793 return; 1794 } 1795 } else { 1796 chan = 0; 1797 } 1798 1799 /* 1800 * Find the PDB entry for this initiator 1801 */ 1802 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1803 /* 1804 * If we're not in the port database terminate the exchange. 1805 */ 1806 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", 1807 __func__, aep->at_rxid, did, chan, sid); 1808 isp_dump_portdb(isp, chan); 1809 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1810 return; 1811 } 1812 nphdl = lp->handle; 1813 1814 /* 1815 * Get the tstate pointer 1816 */ 1817 tptr = get_lun_statep(isp, chan, lun); 1818 if (tptr == NULL) { 1819 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1820 if (tptr == NULL) { 1821 isp_prt(isp, ISP_LOGWARN, 1822 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1823 __func__, aep->at_rxid, (uintmax_t)lun); 1824 if (lun == 0) { 1825 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1826 } else { 1827 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1828 } 1829 return; 1830 } 1831 } 1832 1833 /* 1834 * Start any commands pending resources first. 1835 */ 1836 if (isp_atio_restart(isp, chan, tptr)) 1837 goto noresrc; 1838 1839 /* 1840 * If the f/w is out of resources, just send a BUSY status back. 1841 */ 1842 if (aep->at_rxid == AT7_NORESRC_RXID) { 1843 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1844 return; 1845 } 1846 1847 /* 1848 * If we're out of resources, just send a BUSY status back. 1849 */ 1850 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1851 if (atiop == NULL) { 1852 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1853 goto noresrc; 1854 } 1855 1856 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1857 if (oatp) { 1858 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", 1859 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1860 /* 1861 * It's not a "no resource" condition- but we can treat it like one 1862 */ 1863 goto noresrc; 1864 } 1865 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1866 if (atp == NULL) { 1867 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1868 goto noresrc; 1869 } 1870 atp->word3 = lp->prli_word3; 1871 atp->state = ATPD_STATE_ATIO; 1872 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1873 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1874 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1875 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1876 atiop->ccb_h.target_lun = lun; 1877 atiop->sense_len = 0; 1878 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1879 if (cdbxlen) { 1880 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1881 } 1882 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1883 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1884 atiop->cdb_len = cdbxlen; 1885 atiop->ccb_h.status = CAM_CDB_RECVD; 1886 atiop->tag_id = atp->tag; 1887 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1888 case FCP_CMND_TASK_ATTR_SIMPLE: 1889 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1890 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1891 break; 1892 case FCP_CMND_TASK_ATTR_HEAD: 1893 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1894 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1895 break; 1896 case FCP_CMND_TASK_ATTR_ORDERED: 1897 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1898 atiop->tag_action = MSG_ORDERED_Q_TAG; 1899 break; 1900 default: 1901 /* FALLTHROUGH */ 1902 case FCP_CMND_TASK_ATTR_ACA: 1903 case FCP_CMND_TASK_ATTR_UNTAGGED: 1904 atiop->tag_action = 0; 1905 break; 1906 } 1907 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1908 atp->bytes_xfered = 0; 1909 atp->lun = lun; 1910 atp->nphdl = nphdl; 1911 atp->sid = sid; 1912 atp->did = did; 1913 atp->oxid = aep->at_hdr.ox_id; 1914 atp->rxid = aep->at_hdr.rx_id; 1915 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1916 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1917 atp->state = ATPD_STATE_CAM; 1918 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1919 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1920 xpt_done((union ccb *)atiop); 1921 return; 1922noresrc: 1923 if (atp) 1924 isp_put_atpd(isp, chan, atp); 1925 ntp = isp_get_ntpd(isp, chan); 1926 if (ntp == NULL) { 1927 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1928 return; 1929 } 1930 memcpy(ntp->data, aep, QENTRY_LEN); 1931 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1932} 1933 1934 1935/* 1936 * Handle starting an SRR (sequence retransmit request) 1937 * We get here when we've gotten the immediate notify 1938 * and the return of all outstanding CTIOs for this 1939 * transaction. 1940 */ 1941static void 1942isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1943{ 1944 in_fcentry_24xx_t *inot; 1945 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1946 union ccb *ccb; 1947 1948 inot = (in_fcentry_24xx_t *)atp->srr; 1949 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1950 ccb = atp->srr_ccb; 1951 atp->srr_ccb = NULL; 1952 atp->nsrr++; 1953 if (ccb == NULL) { 1954 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1955 goto fail; 1956 } 1957 1958 ccb_off = ccb->ccb_h.spriv_field0; 1959 ccb_len = ccb->csio.dxfer_len; 1960 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1961 1962 switch (inot->in_srr_iu) { 1963 case R_CTL_INFO_SOLICITED_DATA: 1964 /* 1965 * We have to restart a FCP_DATA data out transaction 1966 */ 1967 atp->sendst = 0; 1968 atp->bytes_xfered = srr_off; 1969 if (ccb_len == 0) { 1970 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 1971 goto mdp; 1972 } 1973 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 1974 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); 1975 goto mdp; 1976 } 1977 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); 1978 break; 1979 case R_CTL_INFO_COMMAND_STATUS: 1980 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 1981 atp->sendst = 1; 1982 /* 1983 * We have to restart a FCP_RSP IU transaction 1984 */ 1985 break; 1986 case R_CTL_INFO_DATA_DESCRIPTOR: 1987 /* 1988 * We have to restart an FCP DATA in transaction 1989 */ 1990 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 1991 goto fail; 1992 1993 default: 1994 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 1995 goto fail; 1996 } 1997 1998 /* 1999 * We can't do anything until this is acked, so we might as well start it now. 2000 * We aren't going to do the usual asynchronous ack issue because we need 2001 * to make sure this gets on the wire first. 2002 */ 2003 if (isp_notify_ack(isp, inot)) { 2004 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2005 goto fail; 2006 } 2007 isp_target_start_ctio(isp, ccb, FROM_SRR); 2008 return; 2009fail: 2010 inot->in_reserved = 1; 2011 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2012 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2013 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2014 isp_complete_ctio(ccb); 2015 return; 2016mdp: 2017 if (isp_notify_ack(isp, inot)) { 2018 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2019 goto fail; 2020 } 2021 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2022 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2023 /* 2024 * This is not a strict interpretation of MDP, but it's close 2025 */ 2026 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2027 ccb->csio.msg_len = 7; 2028 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2029 ccb->csio.msg_ptr[1] = 5; 2030 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2031 ccb->csio.msg_ptr[3] = srr_off >> 24; 2032 ccb->csio.msg_ptr[4] = srr_off >> 16; 2033 ccb->csio.msg_ptr[5] = srr_off >> 8; 2034 ccb->csio.msg_ptr[6] = srr_off; 2035 isp_complete_ctio(ccb); 2036} 2037 2038 2039static void 2040isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 2041{ 2042 in_fcentry_24xx_t *inot = notify->nt_lreserved; 2043 atio_private_data_t *atp; 2044 uint32_t tag = notify->nt_tagval & 0xffffffff; 2045 2046 atp = isp_find_atpd(isp, notify->nt_channel, tag); 2047 if (atp == NULL) { 2048 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 2049 __func__, tag); 2050 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2051 return; 2052 } 2053 atp->srr_notify_rcvd = 1; 2054 memcpy(atp->srr, inot, sizeof (atp->srr)); 2055 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 2056 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 2057 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 2058 if (atp->srr_ccb) 2059 isp_handle_srr_start(isp, atp); 2060} 2061 2062static void 2063isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2064{ 2065 union ccb *ccb; 2066 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 2067 atio_private_data_t *atp = NULL; 2068 int bus; 2069 uint32_t handle, data_requested, resid; 2070 2071 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2072 ccb = isp_find_xs(isp, handle); 2073 if (ccb == NULL) { 2074 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2075 return; 2076 } 2077 isp_destroy_handle(isp, handle); 2078 resid = data_requested = PISP_PCMD(ccb)->datalen; 2079 isp_free_pcmd(isp, ccb); 2080 2081 bus = XS_CHANNEL(ccb); 2082 if (IS_24XX(isp)) { 2083 atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid); 2084 } else { 2085 atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid); 2086 } 2087 if (atp == NULL) { 2088 /* 2089 * XXX: isp_clear_commands() generates fake CTIO with zero 2090 * ct_rxid value, filling only ct_syshandle. Workaround 2091 * that using tag_id from the CCB, pointed by ct_syshandle. 2092 */ 2093 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 2094 } 2095 if (atp == NULL) { 2096 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2097 return; 2098 } 2099 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2100 atp->bytes_in_transit -= data_requested; 2101 atp->ctcnt -= 1; 2102 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2103 2104 if (IS_24XX(isp)) { 2105 ct7_entry_t *ct = arg; 2106 2107 if (ct->ct_nphdl == CT7_SRR) { 2108 atp->srr_ccb = ccb; 2109 if (atp->srr_notify_rcvd) 2110 isp_handle_srr_start(isp, atp); 2111 return; 2112 } 2113 if (ct->ct_nphdl == CT_HBA_RESET) { 2114 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2115 (atp->sendst == 0); 2116 failure = CAM_UNREC_HBA_ERROR; 2117 } else { 2118 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 2119 ok = (ct->ct_nphdl == CT7_OK); 2120 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2121 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 2122 resid = ct->ct_resid; 2123 } 2124 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), 2125 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2126 } else { 2127 ct2_entry_t *ct = arg; 2128 if (ct->ct_status == CT_SRR) { 2129 atp->srr_ccb = ccb; 2130 if (atp->srr_notify_rcvd) 2131 isp_handle_srr_start(isp, atp); 2132 isp_target_putback_atio(ccb); 2133 return; 2134 } 2135 if (ct->ct_status == CT_HBA_RESET) { 2136 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2137 (atp->sendst == 0); 2138 failure = CAM_UNREC_HBA_ERROR; 2139 } else { 2140 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 2141 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 2142 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2143 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) 2144 resid = ct->ct_resid; 2145 } 2146 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), 2147 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2148 } 2149 if (ok) { 2150 if (data_requested > 0) { 2151 atp->bytes_xfered += data_requested - resid; 2152 ccb->csio.resid = ccb->csio.dxfer_len - 2153 (data_requested - resid); 2154 } 2155 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 2156 ccb->ccb_h.status |= CAM_SENT_SENSE; 2157 ccb->ccb_h.status |= CAM_REQ_CMP; 2158 } else { 2159 notify_cam = 1; 2160 if (failure == CAM_UNREC_HBA_ERROR) 2161 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 2162 else 2163 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2164 } 2165 atp->state = ATPD_STATE_PDON; 2166 2167 /* 2168 * We never *not* notify CAM when there has been any error (ok == 0), 2169 * so we never need to do an ATIO putback if we're not notifying CAM. 2170 */ 2171 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 2172 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 2173 if (notify_cam == 0) { 2174 if (atp->sendst) { 2175 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 2176 } 2177 return; 2178 } 2179 2180 /* 2181 * We are done with this ATIO if we successfully sent status. 2182 * In all other cases expect either another CTIO or XPT_ABORT. 2183 */ 2184 if (ok && sentstatus) 2185 isp_put_atpd(isp, bus, atp); 2186 2187 /* 2188 * We're telling CAM we're done with this CTIO transaction. 2189 * 2190 * 24XX cards never need an ATIO put back. 2191 * 2192 * Other cards need one put back only on error. 2193 * In the latter case, a timeout will re-fire 2194 * and try again in case we didn't have 2195 * queue resources to do so at first. In any case, 2196 * once the putback is done we do the completion 2197 * call. 2198 */ 2199 if (ok || IS_24XX(isp)) { 2200 isp_complete_ctio(ccb); 2201 } else { 2202 isp_target_putback_atio(ccb); 2203 } 2204} 2205 2206static int 2207isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 2208{ 2209 2210 if (isp->isp_state != ISP_RUNSTATE) { 2211 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 2212 return (0); 2213 } 2214 2215 /* 2216 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 2217 */ 2218 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 2219 ct7_entry_t local, *cto = &local; 2220 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 2221 fcportdb_t *lp; 2222 uint32_t sid; 2223 uint16_t nphdl; 2224 2225 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2226 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 2227 nphdl = lp->handle; 2228 } else { 2229 nphdl = NIL_HANDLE; 2230 } 2231 ISP_MEMZERO(&local, sizeof (local)); 2232 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2233 cto->ct_header.rqs_entry_count = 1; 2234 cto->ct_nphdl = nphdl; 2235 cto->ct_rxid = aep->at_rxid; 2236 cto->ct_vpidx = mp->nt_channel; 2237 cto->ct_iid_lo = sid; 2238 cto->ct_iid_hi = sid >> 16; 2239 cto->ct_oxid = aep->at_hdr.ox_id; 2240 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 2241 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 2242 if (rsp != 0) { 2243 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 2244 cto->rsp.m1.ct_resplen = 4; 2245 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 2246 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 2247 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 2248 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 2249 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 2250 } 2251 return (isp_target_put_entry(isp, &local)); 2252 } 2253 2254 /* 2255 * This case is for a responding to an ABTS frame 2256 */ 2257 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2258 2259 /* 2260 * Overload nt_need_ack here to mark whether we've terminated the associated command. 2261 */ 2262 if (mp->nt_need_ack) { 2263 uint8_t storage[QENTRY_LEN]; 2264 ct7_entry_t *cto = (ct7_entry_t *) storage; 2265 abts_t *abts = (abts_t *)mp->nt_lreserved; 2266 2267 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2268 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 2269 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2270 cto->ct_header.rqs_entry_count = 1; 2271 cto->ct_nphdl = mp->nt_nphdl; 2272 cto->ct_rxid = abts->abts_rxid_task; 2273 cto->ct_iid_lo = mp->nt_sid; 2274 cto->ct_iid_hi = mp->nt_sid >> 16; 2275 cto->ct_oxid = abts->abts_ox_id; 2276 cto->ct_vpidx = mp->nt_channel; 2277 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2278 if (isp_target_put_entry(isp, cto)) { 2279 return (ENOMEM); 2280 } 2281 mp->nt_need_ack = 0; 2282 } 2283 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 2284 return (ENOMEM); 2285 } else { 2286 return (0); 2287 } 2288 } 2289 2290 /* 2291 * Handle logout cases here 2292 */ 2293 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 2294 isp_del_all_wwn_entries(isp, mp->nt_channel); 2295 } 2296 2297 if (mp->nt_ncode == NT_LOGOUT) { 2298 if (!IS_2100(isp) && IS_FC(isp)) { 2299 isp_del_wwn_entries(isp, mp); 2300 } 2301 } 2302 2303 /* 2304 * General purpose acknowledgement 2305 */ 2306 if (mp->nt_need_ack) { 2307 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 2308 /* 2309 * Don't need to use the guaranteed send because the caller can retry 2310 */ 2311 return (isp_notify_ack(isp, mp->nt_lreserved)); 2312 } 2313 return (0); 2314} 2315 2316/* 2317 * Handle task management functions. 2318 * 2319 * We show up here with a notify structure filled out. 2320 * 2321 * The nt_lreserved tag points to the original queue entry 2322 */ 2323static void 2324isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 2325{ 2326 tstate_t *tptr; 2327 fcportdb_t *lp; 2328 struct ccb_immediate_notify *inot; 2329 inot_private_data_t *ntp = NULL; 2330 atio_private_data_t *atp; 2331 lun_id_t lun; 2332 2333 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode, 2334 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 2335 if (notify->nt_lun == LUN_ANY) { 2336 if (notify->nt_tagval == TAG_ANY) { 2337 lun = CAM_LUN_WILDCARD; 2338 } else { 2339 atp = isp_find_atpd(isp, notify->nt_channel, 2340 notify->nt_tagval & 0xffffffff); 2341 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 2342 } 2343 } else { 2344 lun = notify->nt_lun; 2345 } 2346 tptr = get_lun_statep(isp, notify->nt_channel, lun); 2347 if (tptr == NULL) { 2348 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 2349 if (tptr == NULL) { 2350 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 2351 goto bad; 2352 } 2353 } 2354 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 2355 if (inot == NULL) { 2356 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 2357 goto bad; 2358 } 2359 2360 inot->ccb_h.target_id = ISP_MAX_TARGETS(isp); 2361 inot->ccb_h.target_lun = lun; 2362 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 2363 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 2364 inot->initiator_id = CAM_TARGET_WILDCARD; 2365 } else { 2366 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 2367 } 2368 inot->seq_id = notify->nt_tagval; 2369 inot->tag_id = notify->nt_tagval >> 32; 2370 2371 switch (notify->nt_ncode) { 2372 case NT_ABORT_TASK: 2373 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 2374 inot->arg = MSG_ABORT_TASK; 2375 break; 2376 case NT_ABORT_TASK_SET: 2377 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 2378 inot->arg = MSG_ABORT_TASK_SET; 2379 break; 2380 case NT_CLEAR_ACA: 2381 inot->arg = MSG_CLEAR_ACA; 2382 break; 2383 case NT_CLEAR_TASK_SET: 2384 inot->arg = MSG_CLEAR_TASK_SET; 2385 break; 2386 case NT_LUN_RESET: 2387 inot->arg = MSG_LOGICAL_UNIT_RESET; 2388 break; 2389 case NT_TARGET_RESET: 2390 inot->arg = MSG_TARGET_RESET; 2391 break; 2392 case NT_QUERY_TASK_SET: 2393 inot->arg = MSG_QUERY_TASK_SET; 2394 break; 2395 case NT_QUERY_ASYNC_EVENT: 2396 inot->arg = MSG_QUERY_ASYNC_EVENT; 2397 break; 2398 default: 2399 isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun %#jx", __func__, notify->nt_ncode, notify->nt_channel, (uintmax_t)lun); 2400 goto bad; 2401 } 2402 2403 ntp = isp_get_ntpd(isp, notify->nt_channel); 2404 if (ntp == NULL) { 2405 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 2406 goto bad; 2407 } 2408 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 2409 if (notify->nt_lreserved) { 2410 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 2411 ntp->nt.nt_lreserved = &ntp->data; 2412 } 2413 ntp->seq_id = notify->nt_tagval; 2414 ntp->tag_id = notify->nt_tagval >> 32; 2415 2416 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 2417 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 2418 inot->ccb_h.status = CAM_MESSAGE_RECV; 2419 xpt_done((union ccb *)inot); 2420 return; 2421bad: 2422 if (notify->nt_need_ack) { 2423 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2424 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 2425 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 2426 } 2427 } else { 2428 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 2429 } 2430 } 2431} 2432 2433static void 2434isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 2435{ 2436 atio_private_data_t *atp, *atpool; 2437 inot_private_data_t *ntp, *tmp; 2438 uint32_t this_tag_id; 2439 2440 /* 2441 * First, clean any commands pending restart 2442 */ 2443 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 2444 if (IS_24XX(isp)) 2445 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 2446 else 2447 this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid; 2448 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 2449 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 2450 ECMD_TERMINATE, 0); 2451 isp_put_ntpd(isp, chan, ntp); 2452 STAILQ_REMOVE(&tptr->restart_queue, ntp, 2453 inot_private_data, next); 2454 } 2455 } 2456 2457 /* 2458 * Now mark other ones dead as well. 2459 */ 2460 ISP_GET_PC(isp, chan, atpool, atpool); 2461 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 2462 if (atp->lun != tptr->ts_lun) 2463 continue; 2464 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 2465 atp->dead = 1; 2466 } 2467} 2468#endif 2469 2470static void 2471isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 2472{ 2473 struct cam_sim *sim; 2474 int bus, tgt; 2475 ispsoftc_t *isp; 2476 2477 sim = (struct cam_sim *)cbarg; 2478 isp = (ispsoftc_t *) cam_sim_softc(sim); 2479 bus = cam_sim_bus(sim); 2480 tgt = xpt_path_target_id(path); 2481 2482 switch (code) { 2483 case AC_LOST_DEVICE: 2484 if (IS_SCSI(isp)) { 2485 uint16_t oflags, nflags; 2486 sdparam *sdp = SDPARAM(isp, bus); 2487 2488 if (tgt >= 0) { 2489 nflags = sdp->isp_devparam[tgt].nvrm_flags; 2490 nflags &= DPARM_SAFE_DFLT; 2491 if (isp->isp_loaded_fw) { 2492 nflags |= DPARM_NARROW | DPARM_ASYNC; 2493 } 2494 oflags = sdp->isp_devparam[tgt].goal_flags; 2495 sdp->isp_devparam[tgt].goal_flags = nflags; 2496 sdp->isp_devparam[tgt].dev_update = 1; 2497 sdp->update = 1; 2498 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 2499 sdp->isp_devparam[tgt].goal_flags = oflags; 2500 } 2501 } 2502 break; 2503 default: 2504 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 2505 break; 2506 } 2507} 2508 2509static void 2510isp_poll(struct cam_sim *sim) 2511{ 2512 ispsoftc_t *isp = cam_sim_softc(sim); 2513 2514 ISP_RUN_ISR(isp); 2515} 2516 2517 2518static void 2519isp_watchdog(void *arg) 2520{ 2521 struct ccb_scsiio *xs = arg; 2522 ispsoftc_t *isp; 2523 uint32_t ohandle = ISP_HANDLE_FREE, handle; 2524 2525 isp = XS_ISP(xs); 2526 2527 handle = isp_find_handle(isp, xs); 2528 2529 /* 2530 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 2531 */ 2532 if (handle != ISP_HANDLE_FREE) { 2533 ISP_RUN_ISR(isp); 2534 ohandle = handle; 2535 handle = isp_find_handle(isp, xs); 2536 } 2537 if (handle != ISP_HANDLE_FREE) { 2538 /* 2539 * Try and make sure the command is really dead before 2540 * we release the handle (and DMA resources) for reuse. 2541 * 2542 * If we are successful in aborting the command then 2543 * we're done here because we'll get the command returned 2544 * back separately. 2545 */ 2546 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2547 return; 2548 } 2549 2550 /* 2551 * Note that after calling the above, the command may in 2552 * fact have been completed. 2553 */ 2554 xs = isp_find_xs(isp, handle); 2555 2556 /* 2557 * If the command no longer exists, then we won't 2558 * be able to find the xs again with this handle. 2559 */ 2560 if (xs == NULL) { 2561 return; 2562 } 2563 2564 /* 2565 * After this point, the command is really dead. 2566 */ 2567 if (XS_XFRLEN(xs)) { 2568 ISP_DMAFREE(isp, xs, handle); 2569 } 2570 isp_destroy_handle(isp, handle); 2571 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 2572 XS_SETERR(xs, CAM_CMD_TIMEOUT); 2573 isp_done(xs); 2574 } else { 2575 if (ohandle != ISP_HANDLE_FREE) { 2576 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 2577 } else { 2578 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 2579 } 2580 } 2581} 2582 2583static void 2584isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2585{ 2586 union ccb *ccb; 2587 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2588 2589 /* 2590 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2591 */ 2592 ccb = xpt_alloc_ccb_nowait(); 2593 if (ccb == NULL) { 2594 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2595 return; 2596 } 2597 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2598 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2599 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2600 xpt_free_ccb(ccb); 2601 return; 2602 } 2603 xpt_rescan(ccb); 2604} 2605 2606static void 2607isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2608{ 2609 struct cam_path *tp; 2610 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2611 2612 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2613 xpt_async(AC_LOST_DEVICE, tp, NULL); 2614 xpt_free_path(tp); 2615 } 2616} 2617 2618/* 2619 * Gone Device Timer Function- when we have decided that a device has gone 2620 * away, we wait a specific period of time prior to telling the OS it has 2621 * gone away. 2622 * 2623 * This timer function fires once a second and then scans the port database 2624 * for devices that are marked dead but still have a virtual target assigned. 2625 * We decrement a counter for that port database entry, and when it hits zero, 2626 * we tell the OS the device has gone away. 2627 */ 2628static void 2629isp_gdt(void *arg) 2630{ 2631 struct isp_fc *fc = arg; 2632 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2633} 2634 2635static void 2636isp_gdt_task(void *arg, int pending) 2637{ 2638 struct isp_fc *fc = arg; 2639 ispsoftc_t *isp = fc->isp; 2640 int chan = fc - isp->isp_osinfo.pc.fc; 2641 fcportdb_t *lp; 2642 struct ac_contract ac; 2643 struct ac_device_changed *adc; 2644 int dbidx, more_to_do = 0; 2645 2646 ISP_LOCK(isp); 2647 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2648 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2649 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2650 2651 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2652 continue; 2653 } 2654 if (lp->gone_timer != 0) { 2655 lp->gone_timer -= 1; 2656 more_to_do++; 2657 continue; 2658 } 2659 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2660 if (lp->is_target) { 2661 lp->is_target = 0; 2662 isp_make_gone(isp, lp, chan, dbidx); 2663 } 2664 if (lp->is_initiator) { 2665 lp->is_initiator = 0; 2666 ac.contract_number = AC_CONTRACT_DEV_CHG; 2667 adc = (struct ac_device_changed *) ac.contract_data; 2668 adc->wwpn = lp->port_wwn; 2669 adc->port = lp->portid; 2670 adc->target = dbidx; 2671 adc->arrived = 0; 2672 xpt_async(AC_CONTRACT, fc->path, &ac); 2673 } 2674 lp->state = FC_PORTDB_STATE_NIL; 2675 } 2676 if (fc->ready) { 2677 if (more_to_do) { 2678 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2679 } else { 2680 callout_deactivate(&fc->gdt); 2681 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2682 } 2683 } 2684 ISP_UNLOCK(isp); 2685} 2686 2687/* 2688 * When loop goes down we remember the time and freeze CAM command queue. 2689 * During some time period we are trying to reprobe the loop. But if we 2690 * fail, we tell the OS that devices have gone away and drop the freeze. 2691 * 2692 * We don't clear the devices out of our port database because, when loop 2693 * come back up, we have to do some actual cleanup with the chip at that 2694 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2695 */ 2696static void 2697isp_loop_changed(ispsoftc_t *isp, int chan) 2698{ 2699 fcparam *fcp = FCPARAM(isp, chan); 2700 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2701 2702 if (fc->loop_down_time) 2703 return; 2704 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2705 if (fcp->role & ISP_ROLE_INITIATOR) 2706 isp_freeze_loopdown(isp, chan); 2707 fc->loop_down_time = time_uptime; 2708 wakeup(fc); 2709} 2710 2711static void 2712isp_loop_up(ispsoftc_t *isp, int chan) 2713{ 2714 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2715 2716 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2717 fc->loop_seen_once = 1; 2718 fc->loop_down_time = 0; 2719 isp_unfreeze_loopdown(isp, chan); 2720} 2721 2722static void 2723isp_loop_dead(ispsoftc_t *isp, int chan) 2724{ 2725 fcparam *fcp = FCPARAM(isp, chan); 2726 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2727 fcportdb_t *lp; 2728 struct ac_contract ac; 2729 struct ac_device_changed *adc; 2730 int dbidx, i; 2731 2732 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2733 2734 /* 2735 * Notify to the OS all targets who we now consider have departed. 2736 */ 2737 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2738 lp = &fcp->portdb[dbidx]; 2739 2740 if (lp->state == FC_PORTDB_STATE_NIL) 2741 continue; 2742 2743 for (i = 0; i < isp->isp_maxcmds; i++) { 2744 struct ccb_scsiio *xs; 2745 2746 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2747 continue; 2748 } 2749 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2750 continue; 2751 } 2752 if (dbidx != XS_TGT(xs)) { 2753 continue; 2754 } 2755 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2756 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2757 (uintmax_t)XS_LUN(xs)); 2758 2759 /* 2760 * Just like in isp_watchdog, abort the outstanding 2761 * command or immediately free its resources if it is 2762 * not active 2763 */ 2764 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2765 continue; 2766 } 2767 2768 if (XS_XFRLEN(xs)) { 2769 ISP_DMAFREE(isp, xs, isp->isp_xflist[i].handle); 2770 } 2771 isp_destroy_handle(isp, isp->isp_xflist[i].handle); 2772 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed", 2773 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2774 (uintmax_t)XS_LUN(xs)); 2775 XS_SETERR(xs, HBA_BUSRESET); 2776 isp_done(xs); 2777 } 2778 2779 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2780 if (lp->is_target) { 2781 lp->is_target = 0; 2782 isp_make_gone(isp, lp, chan, dbidx); 2783 } 2784 if (lp->is_initiator) { 2785 lp->is_initiator = 0; 2786 ac.contract_number = AC_CONTRACT_DEV_CHG; 2787 adc = (struct ac_device_changed *) ac.contract_data; 2788 adc->wwpn = lp->port_wwn; 2789 adc->port = lp->portid; 2790 adc->target = dbidx; 2791 adc->arrived = 0; 2792 xpt_async(AC_CONTRACT, fc->path, &ac); 2793 } 2794 } 2795 2796 isp_unfreeze_loopdown(isp, chan); 2797 fc->loop_down_time = 0; 2798} 2799 2800static void 2801isp_kthread(void *arg) 2802{ 2803 struct isp_fc *fc = arg; 2804 ispsoftc_t *isp = fc->isp; 2805 int chan = fc - isp->isp_osinfo.pc.fc; 2806 int slp = 0, d; 2807 int lb, lim; 2808 2809 ISP_LOCK(isp); 2810 while (isp->isp_osinfo.is_exiting == 0) { 2811 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2812 "Chan %d Checking FC state", chan); 2813 lb = isp_fc_runstate(isp, chan, 250000); 2814 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2815 "Chan %d FC got to %s state", chan, 2816 isp_fc_loop_statename(lb)); 2817 2818 /* 2819 * Our action is different based upon whether we're supporting 2820 * Initiator mode or not. If we are, we might freeze the simq 2821 * when loop is down and set all sorts of different delays to 2822 * check again. 2823 * 2824 * If not, we simply just wait for loop to come up. 2825 */ 2826 if (lb == LOOP_READY || lb < 0) { 2827 slp = 0; 2828 } else { 2829 /* 2830 * If we've never seen loop up and we've waited longer 2831 * than quickboot time, or we've seen loop up but we've 2832 * waited longer than loop_down_limit, give up and go 2833 * to sleep until loop comes up. 2834 */ 2835 if (fc->loop_seen_once == 0) 2836 lim = isp_quickboot_time; 2837 else 2838 lim = fc->loop_down_limit; 2839 d = time_uptime - fc->loop_down_time; 2840 if (d >= lim) 2841 slp = 0; 2842 else if (d < 10) 2843 slp = 1; 2844 else if (d < 30) 2845 slp = 5; 2846 else if (d < 60) 2847 slp = 10; 2848 else if (d < 120) 2849 slp = 20; 2850 else 2851 slp = 30; 2852 } 2853 2854 if (slp == 0) { 2855 if (lb == LOOP_READY) 2856 isp_loop_up(isp, chan); 2857 else 2858 isp_loop_dead(isp, chan); 2859 } 2860 2861 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2862 "Chan %d sleep for %d seconds", chan, slp); 2863 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2864 } 2865 fc->num_threads -= 1; 2866 ISP_UNLOCK(isp); 2867 kthread_exit(); 2868} 2869 2870#ifdef ISP_TARGET_MODE 2871static void 2872isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2873{ 2874 atio_private_data_t *atp; 2875 union ccb *accb = ccb->cab.abort_ccb; 2876 struct ccb_hdr *sccb; 2877 tstate_t *tptr; 2878 2879 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2880 if (tptr != NULL) { 2881 /* Search for the ATIO among queueued. */ 2882 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2883 if (sccb != &accb->ccb_h) 2884 continue; 2885 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2886 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2887 "Abort FREE ATIO\n"); 2888 accb->ccb_h.status = CAM_REQ_ABORTED; 2889 xpt_done(accb); 2890 ccb->ccb_h.status = CAM_REQ_CMP; 2891 return; 2892 } 2893 } 2894 2895 /* Search for the ATIO among running. */ 2896 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2897 if (atp != NULL) { 2898 /* Send TERMINATE to firmware. */ 2899 if (!atp->dead && IS_24XX(isp)) { 2900 uint8_t storage[QENTRY_LEN]; 2901 ct7_entry_t *cto = (ct7_entry_t *) storage; 2902 2903 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2904 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2905 cto->ct_header.rqs_entry_count = 1; 2906 cto->ct_nphdl = atp->nphdl; 2907 cto->ct_rxid = atp->tag; 2908 cto->ct_iid_lo = atp->sid; 2909 cto->ct_iid_hi = atp->sid >> 16; 2910 cto->ct_oxid = atp->oxid; 2911 cto->ct_vpidx = XS_CHANNEL(accb); 2912 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2913 isp_target_put_entry(isp, cto); 2914 } 2915 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2916 ccb->ccb_h.status = CAM_REQ_CMP; 2917 } else { 2918 ccb->ccb_h.status = CAM_UA_ABORT; 2919 } 2920} 2921 2922static void 2923isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2924{ 2925 inot_private_data_t *ntp; 2926 union ccb *accb = ccb->cab.abort_ccb; 2927 struct ccb_hdr *sccb; 2928 tstate_t *tptr; 2929 2930 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2931 if (tptr != NULL) { 2932 /* Search for the INOT among queueued. */ 2933 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2934 if (sccb != &accb->ccb_h) 2935 continue; 2936 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2937 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2938 "Abort FREE INOT\n"); 2939 accb->ccb_h.status = CAM_REQ_ABORTED; 2940 xpt_done(accb); 2941 ccb->ccb_h.status = CAM_REQ_CMP; 2942 return; 2943 } 2944 } 2945 2946 /* Search for the INOT among running. */ 2947 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2948 if (ntp != NULL) { 2949 if (ntp->nt.nt_need_ack) { 2950 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2951 ntp->nt.nt_lreserved); 2952 } 2953 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2954 ccb->ccb_h.status = CAM_REQ_CMP; 2955 } else { 2956 ccb->ccb_h.status = CAM_UA_ABORT; 2957 return; 2958 } 2959} 2960#endif 2961 2962static void 2963isp_action(struct cam_sim *sim, union ccb *ccb) 2964{ 2965 int bus, tgt, error; 2966 ispsoftc_t *isp; 2967 struct ccb_trans_settings *cts; 2968 sbintime_t ts; 2969 2970 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2971 2972 isp = (ispsoftc_t *)cam_sim_softc(sim); 2973 ISP_ASSERT_LOCKED(isp); 2974 bus = cam_sim_bus(sim); 2975 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2976 ISP_PCMD(ccb) = NULL; 2977 2978 switch (ccb->ccb_h.func_code) { 2979 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2980 /* 2981 * Do a couple of preliminary checks... 2982 */ 2983 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2984 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2985 ccb->ccb_h.status = CAM_REQ_INVALID; 2986 isp_done((struct ccb_scsiio *) ccb); 2987 break; 2988 } 2989 } 2990 ccb->csio.req_map = NULL; 2991#ifdef DIAGNOSTIC 2992 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 2993 xpt_print(ccb->ccb_h.path, "invalid target\n"); 2994 ccb->ccb_h.status = CAM_PATH_INVALID; 2995 } else if (ISP_MAX_LUNS(isp) > 0 && 2996 ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) { 2997 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 2998 ccb->ccb_h.status = CAM_PATH_INVALID; 2999 } 3000 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 3001 xpt_done(ccb); 3002 break; 3003 } 3004#endif 3005 ccb->csio.scsi_status = SCSI_STATUS_OK; 3006 if (isp_get_pcmd(isp, ccb)) { 3007 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 3008 cam_freeze_devq(ccb->ccb_h.path); 3009 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 3010 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3011 xpt_done(ccb); 3012 break; 3013 } 3014 error = isp_start((XS_T *) ccb); 3015 switch (error) { 3016 case CMD_QUEUED: 3017 ccb->ccb_h.status |= CAM_SIM_QUEUED; 3018 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 3019 break; 3020 /* Give firmware extra 10s to handle timeout. */ 3021 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 3022 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 3023 isp_watchdog, ccb, 0); 3024 break; 3025 case CMD_RQLATER: 3026 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 3027 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 3028 cam_freeze_devq(ccb->ccb_h.path); 3029 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3030 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3031 isp_free_pcmd(isp, ccb); 3032 xpt_done(ccb); 3033 break; 3034 case CMD_EAGAIN: 3035 isp_free_pcmd(isp, ccb); 3036 cam_freeze_devq(ccb->ccb_h.path); 3037 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 3038 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3039 xpt_done(ccb); 3040 break; 3041 case CMD_COMPLETE: 3042 isp_done((struct ccb_scsiio *) ccb); 3043 break; 3044 default: 3045 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 3046 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3047 isp_free_pcmd(isp, ccb); 3048 xpt_done(ccb); 3049 } 3050 break; 3051 3052#ifdef ISP_TARGET_MODE 3053 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 3054 if (ccb->cel.enable) { 3055 isp_enable_lun(isp, ccb); 3056 } else { 3057 isp_disable_lun(isp, ccb); 3058 } 3059 break; 3060 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 3061 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3062 { 3063 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 3064 if (tptr == NULL) { 3065 const char *str; 3066 3067 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 3068 str = "XPT_IMMEDIATE_NOTIFY"; 3069 else 3070 str = "XPT_ACCEPT_TARGET_IO"; 3071 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 3072 "%s: no state pointer found for %s\n", 3073 __func__, str); 3074 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3075 xpt_done(ccb); 3076 break; 3077 } 3078 ccb->ccb_h.spriv_field0 = 0; 3079 ccb->ccb_h.spriv_ptr1 = isp; 3080 3081 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3082 ccb->atio.tag_id = 0; 3083 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 3084 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3085 "Put FREE ATIO\n"); 3086 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 3087 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 3088 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 3089 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3090 "Put FREE INOT\n"); 3091 } 3092 ccb->ccb_h.status = CAM_REQ_INPROG; 3093 break; 3094 } 3095 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 3096 { 3097 inot_private_data_t *ntp; 3098 3099 /* 3100 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 3101 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 3102 */ 3103 /* 3104 * All the relevant path information is in the associated immediate notify 3105 */ 3106 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); 3107 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 3108 if (ntp == NULL) { 3109 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__, 3110 ccb->cna2.tag_id, ccb->cna2.seq_id); 3111 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3112 xpt_done(ccb); 3113 break; 3114 } 3115 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 3116 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 3117 cam_freeze_devq(ccb->ccb_h.path); 3118 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3119 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 3120 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 3121 break; 3122 } 3123 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 3124 ccb->ccb_h.status = CAM_REQ_CMP; 3125 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); 3126 xpt_done(ccb); 3127 break; 3128 } 3129 case XPT_CONT_TARGET_IO: 3130 isp_target_start_ctio(isp, ccb, FROM_CAM); 3131 break; 3132#endif 3133 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 3134 tgt = ccb->ccb_h.target_id; 3135 tgt |= (bus << 16); 3136 3137 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 3138 if (error) { 3139 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3140 } else { 3141 /* 3142 * If we have a FC device, reset the Command 3143 * Reference Number, because the target will expect 3144 * that we re-start the CRN at 1 after a reset. 3145 */ 3146 if (IS_FC(isp)) 3147 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3148 3149 ccb->ccb_h.status = CAM_REQ_CMP; 3150 } 3151 xpt_done(ccb); 3152 break; 3153 case XPT_ABORT: /* Abort the specified CCB */ 3154 { 3155 union ccb *accb = ccb->cab.abort_ccb; 3156 switch (accb->ccb_h.func_code) { 3157#ifdef ISP_TARGET_MODE 3158 case XPT_ACCEPT_TARGET_IO: 3159 isp_abort_atio(isp, ccb); 3160 break; 3161 case XPT_IMMEDIATE_NOTIFY: 3162 isp_abort_inot(isp, ccb); 3163 break; 3164#endif 3165 case XPT_SCSI_IO: 3166 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 3167 if (error) { 3168 ccb->ccb_h.status = CAM_UA_ABORT; 3169 } else { 3170 ccb->ccb_h.status = CAM_REQ_CMP; 3171 } 3172 break; 3173 default: 3174 ccb->ccb_h.status = CAM_REQ_INVALID; 3175 break; 3176 } 3177 /* 3178 * This is not a queued CCB, so the caller expects it to be 3179 * complete when control is returned. 3180 */ 3181 break; 3182 } 3183#define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 3184 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3185 cts = &ccb->cts; 3186 if (!IS_CURRENT_SETTINGS(cts)) { 3187 ccb->ccb_h.status = CAM_REQ_INVALID; 3188 xpt_done(ccb); 3189 break; 3190 } 3191 tgt = cts->ccb_h.target_id; 3192 if (IS_SCSI(isp)) { 3193 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3194 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3195 sdparam *sdp = SDPARAM(isp, bus); 3196 uint16_t *dptr; 3197 3198 if (spi->valid == 0 && scsi->valid == 0) { 3199 ccb->ccb_h.status = CAM_REQ_CMP; 3200 xpt_done(ccb); 3201 break; 3202 } 3203 3204 /* 3205 * We always update (internally) from goal_flags 3206 * so any request to change settings just gets 3207 * vectored to that location. 3208 */ 3209 dptr = &sdp->isp_devparam[tgt].goal_flags; 3210 3211 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3212 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 3213 *dptr |= DPARM_DISC; 3214 else 3215 *dptr &= ~DPARM_DISC; 3216 } 3217 3218 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3219 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 3220 *dptr |= DPARM_TQING; 3221 else 3222 *dptr &= ~DPARM_TQING; 3223 } 3224 3225 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3226 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 3227 *dptr |= DPARM_WIDE; 3228 else 3229 *dptr &= ~DPARM_WIDE; 3230 } 3231 3232 /* 3233 * XXX: FIX ME 3234 */ 3235 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 3236 *dptr |= DPARM_SYNC; 3237 /* 3238 * XXX: CHECK FOR LEGALITY 3239 */ 3240 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 3241 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 3242 } else { 3243 *dptr &= ~DPARM_SYNC; 3244 } 3245 isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%jx) to flags %x off %x per %x", bus, tgt, (uintmax_t)cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags, 3246 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 3247 sdp->isp_devparam[tgt].dev_update = 1; 3248 sdp->update = 1; 3249 } 3250 ccb->ccb_h.status = CAM_REQ_CMP; 3251 xpt_done(ccb); 3252 break; 3253 case XPT_GET_TRAN_SETTINGS: 3254 cts = &ccb->cts; 3255 tgt = cts->ccb_h.target_id; 3256 if (IS_FC(isp)) { 3257 fcparam *fcp = FCPARAM(isp, bus); 3258 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3259 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 3260 3261 cts->protocol = PROTO_SCSI; 3262 cts->protocol_version = SCSI_REV_2; 3263 cts->transport = XPORT_FC; 3264 cts->transport_version = 0; 3265 3266 scsi->valid = CTS_SCSI_VALID_TQ; 3267 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3268 fc->valid = CTS_FC_VALID_SPEED; 3269 fc->bitrate = 100000; 3270 fc->bitrate *= fcp->isp_gbspeed; 3271 if (tgt < MAX_FC_TARG) { 3272 fcportdb_t *lp = &fcp->portdb[tgt]; 3273 fc->wwnn = lp->node_wwn; 3274 fc->wwpn = lp->port_wwn; 3275 fc->port = lp->portid; 3276 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 3277 } 3278 } else { 3279 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3280 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3281 sdparam *sdp = SDPARAM(isp, bus); 3282 uint16_t dval, pval, oval; 3283 3284 if (IS_CURRENT_SETTINGS(cts)) { 3285 sdp->isp_devparam[tgt].dev_refresh = 1; 3286 sdp->update = 1; 3287 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 3288 dval = sdp->isp_devparam[tgt].actv_flags; 3289 oval = sdp->isp_devparam[tgt].actv_offset; 3290 pval = sdp->isp_devparam[tgt].actv_period; 3291 } else { 3292 dval = sdp->isp_devparam[tgt].nvrm_flags; 3293 oval = sdp->isp_devparam[tgt].nvrm_offset; 3294 pval = sdp->isp_devparam[tgt].nvrm_period; 3295 } 3296 3297 cts->protocol = PROTO_SCSI; 3298 cts->protocol_version = SCSI_REV_2; 3299 cts->transport = XPORT_SPI; 3300 cts->transport_version = 2; 3301 3302 spi->valid = 0; 3303 scsi->valid = 0; 3304 spi->flags = 0; 3305 scsi->flags = 0; 3306 if (dval & DPARM_DISC) { 3307 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3308 } 3309 if ((dval & DPARM_SYNC) && oval && pval) { 3310 spi->sync_offset = oval; 3311 spi->sync_period = pval; 3312 } else { 3313 spi->sync_offset = 0; 3314 spi->sync_period = 0; 3315 } 3316 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3317 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3318 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3319 if (dval & DPARM_WIDE) { 3320 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3321 } else { 3322 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3323 } 3324 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3325 scsi->valid = CTS_SCSI_VALID_TQ; 3326 if (dval & DPARM_TQING) { 3327 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3328 } 3329 spi->valid |= CTS_SPI_VALID_DISC; 3330 } 3331 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 3332 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval); 3333 } 3334 ccb->ccb_h.status = CAM_REQ_CMP; 3335 xpt_done(ccb); 3336 break; 3337 3338 case XPT_CALC_GEOMETRY: 3339 cam_calc_geometry(&ccb->ccg, 1); 3340 xpt_done(ccb); 3341 break; 3342 3343 case XPT_RESET_BUS: /* Reset the specified bus */ 3344 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 3345 if (error) { 3346 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3347 xpt_done(ccb); 3348 break; 3349 } 3350 if (bootverbose) { 3351 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 3352 } 3353 if (IS_FC(isp)) { 3354 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 3355 } else { 3356 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 3357 } 3358 ccb->ccb_h.status = CAM_REQ_CMP; 3359 xpt_done(ccb); 3360 break; 3361 3362 case XPT_TERM_IO: /* Terminate the I/O process */ 3363 ccb->ccb_h.status = CAM_REQ_INVALID; 3364 xpt_done(ccb); 3365 break; 3366 3367 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 3368 { 3369 struct ccb_sim_knob *kp = &ccb->knob; 3370 fcparam *fcp; 3371 3372 if (!IS_FC(isp)) { 3373 ccb->ccb_h.status = CAM_REQ_INVALID; 3374 xpt_done(ccb); 3375 break; 3376 } 3377 3378 fcp = FCPARAM(isp, bus); 3379 3380 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 3381 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 3382 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 3383 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 3384 } 3385 ccb->ccb_h.status = CAM_REQ_CMP; 3386 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 3387 int rchange = 0; 3388 int newrole = 0; 3389 3390 switch (kp->xport_specific.fc.role) { 3391 case KNOB_ROLE_NONE: 3392 if (fcp->role != ISP_ROLE_NONE) { 3393 rchange = 1; 3394 newrole = ISP_ROLE_NONE; 3395 } 3396 break; 3397 case KNOB_ROLE_TARGET: 3398 if (fcp->role != ISP_ROLE_TARGET) { 3399 rchange = 1; 3400 newrole = ISP_ROLE_TARGET; 3401 } 3402 break; 3403 case KNOB_ROLE_INITIATOR: 3404 if (fcp->role != ISP_ROLE_INITIATOR) { 3405 rchange = 1; 3406 newrole = ISP_ROLE_INITIATOR; 3407 } 3408 break; 3409 case KNOB_ROLE_BOTH: 3410 if (fcp->role != ISP_ROLE_BOTH) { 3411 rchange = 1; 3412 newrole = ISP_ROLE_BOTH; 3413 } 3414 break; 3415 } 3416 if (rchange) { 3417 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 3418 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 3419 bus, newrole) != 0) { 3420 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3421 xpt_done(ccb); 3422 break; 3423 } 3424 } 3425 } 3426 xpt_done(ccb); 3427 break; 3428 } 3429 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 3430 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 3431 { 3432 struct ccb_sim_knob *kp = &ccb->knob; 3433 3434 if (IS_FC(isp)) { 3435 fcparam *fcp; 3436 3437 fcp = FCPARAM(isp, bus); 3438 3439 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 3440 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 3441 switch (fcp->role) { 3442 case ISP_ROLE_NONE: 3443 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 3444 break; 3445 case ISP_ROLE_TARGET: 3446 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 3447 break; 3448 case ISP_ROLE_INITIATOR: 3449 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 3450 break; 3451 case ISP_ROLE_BOTH: 3452 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 3453 break; 3454 } 3455 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 3456 ccb->ccb_h.status = CAM_REQ_CMP; 3457 } else { 3458 ccb->ccb_h.status = CAM_REQ_INVALID; 3459 } 3460 xpt_done(ccb); 3461 break; 3462 } 3463 case XPT_PATH_INQ: /* Path routing inquiry */ 3464 { 3465 struct ccb_pathinq *cpi = &ccb->cpi; 3466 3467 cpi->version_num = 1; 3468#ifdef ISP_TARGET_MODE 3469 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp)) 3470 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3471 else 3472#endif 3473 cpi->target_sprt = 0; 3474 cpi->hba_eng_cnt = 0; 3475 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 3476 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ? 3477 255 : ISP_MAX_LUNS(isp) - 1; 3478 cpi->bus_id = cam_sim_bus(sim); 3479 if (sizeof (bus_size_t) > 4) 3480 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 3481 else 3482 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 3483 3484 if (IS_FC(isp)) { 3485 fcparam *fcp = FCPARAM(isp, bus); 3486 3487 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 3488 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 3489 3490 /* 3491 * Because our loop ID can shift from time to time, 3492 * make our initiator ID out of range of our bus. 3493 */ 3494 cpi->initiator_id = cpi->max_target + 1; 3495 3496 /* 3497 * Set base transfer capabilities for Fibre Channel, for this HBA. 3498 */ 3499 if (IS_25XX(isp)) { 3500 cpi->base_transfer_speed = 8000000; 3501 } else if (IS_24XX(isp)) { 3502 cpi->base_transfer_speed = 4000000; 3503 } else if (IS_23XX(isp)) { 3504 cpi->base_transfer_speed = 2000000; 3505 } else { 3506 cpi->base_transfer_speed = 1000000; 3507 } 3508 cpi->hba_inquiry = PI_TAG_ABLE; 3509 cpi->transport = XPORT_FC; 3510 cpi->transport_version = 0; 3511 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 3512 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 3513 cpi->xport_specific.fc.port = fcp->isp_portid; 3514 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 3515 } else { 3516 sdparam *sdp = SDPARAM(isp, bus); 3517 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3518 cpi->hba_misc = PIM_UNMAPPED; 3519 cpi->initiator_id = sdp->isp_initiator_id; 3520 cpi->base_transfer_speed = 3300; 3521 cpi->transport = XPORT_SPI; 3522 cpi->transport_version = 2; 3523 } 3524 cpi->protocol = PROTO_SCSI; 3525 cpi->protocol_version = SCSI_REV_2; 3526 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3527 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 3528 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3529 cpi->unit_number = cam_sim_unit(sim); 3530 cpi->ccb_h.status = CAM_REQ_CMP; 3531 xpt_done(ccb); 3532 break; 3533 } 3534 default: 3535 ccb->ccb_h.status = CAM_REQ_INVALID; 3536 xpt_done(ccb); 3537 break; 3538 } 3539} 3540 3541void 3542isp_done(XS_T *sccb) 3543{ 3544 ispsoftc_t *isp = XS_ISP(sccb); 3545 uint32_t status; 3546 3547 if (XS_NOERR(sccb)) 3548 XS_SETERR(sccb, CAM_REQ_CMP); 3549 3550 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 3551 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 3552 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 3553 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 3554 } else { 3555 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 3556 } 3557 } 3558 3559 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3560 status = sccb->ccb_h.status & CAM_STATUS_MASK; 3561 if (status != CAM_REQ_CMP && 3562 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 3563 sccb->ccb_h.status |= CAM_DEV_QFRZN; 3564 xpt_freeze_devq(sccb->ccb_h.path, 1); 3565 } 3566 3567 if (ISP_PCMD(sccb)) { 3568 if (callout_active(&PISP_PCMD(sccb)->wdog)) 3569 callout_stop(&PISP_PCMD(sccb)->wdog); 3570 isp_free_pcmd(isp, (union ccb *) sccb); 3571 } 3572 xpt_done((union ccb *) sccb); 3573} 3574 3575void 3576isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 3577{ 3578 int bus; 3579 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 3580 char buf[64]; 3581 char *msg = NULL; 3582 target_id_t tgt = 0; 3583 fcportdb_t *lp; 3584 struct isp_fc *fc; 3585 struct cam_path *tmppath; 3586 struct ac_contract ac; 3587 struct ac_device_changed *adc; 3588 va_list ap; 3589 3590 switch (cmd) { 3591 case ISPASYNC_NEW_TGT_PARAMS: 3592 { 3593 struct ccb_trans_settings_scsi *scsi; 3594 struct ccb_trans_settings_spi *spi; 3595 int flags, tgt; 3596 sdparam *sdp; 3597 struct ccb_trans_settings cts; 3598 3599 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 3600 3601 va_start(ap, cmd); 3602 bus = va_arg(ap, int); 3603 tgt = va_arg(ap, int); 3604 va_end(ap); 3605 sdp = SDPARAM(isp, bus); 3606 3607 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 3608 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 3609 break; 3610 } 3611 flags = sdp->isp_devparam[tgt].actv_flags; 3612 cts.type = CTS_TYPE_CURRENT_SETTINGS; 3613 cts.protocol = PROTO_SCSI; 3614 cts.transport = XPORT_SPI; 3615 3616 scsi = &cts.proto_specific.scsi; 3617 spi = &cts.xport_specific.spi; 3618 3619 if (flags & DPARM_TQING) { 3620 scsi->valid |= CTS_SCSI_VALID_TQ; 3621 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3622 } 3623 3624 if (flags & DPARM_DISC) { 3625 spi->valid |= CTS_SPI_VALID_DISC; 3626 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3627 } 3628 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 3629 if (flags & DPARM_WIDE) { 3630 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3631 } else { 3632 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3633 } 3634 if (flags & DPARM_SYNC) { 3635 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3636 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3637 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 3638 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 3639 } 3640 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); 3641 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 3642 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 3643 xpt_free_path(tmppath); 3644 break; 3645 } 3646 case ISPASYNC_BUS_RESET: 3647 { 3648 va_start(ap, cmd); 3649 bus = va_arg(ap, int); 3650 va_end(ap); 3651 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 3652 if (IS_FC(isp)) { 3653 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 3654 } else { 3655 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 3656 } 3657 break; 3658 } 3659 case ISPASYNC_LOOP_RESET: 3660 { 3661 uint16_t lipp; 3662 fcparam *fcp; 3663 va_start(ap, cmd); 3664 bus = va_arg(ap, int); 3665 va_end(ap); 3666 3667 lipp = ISP_READ(isp, OUTMAILBOX1); 3668 fcp = FCPARAM(isp, bus); 3669 3670 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp); 3671 /* 3672 * Per FCP-4, a Reset LIP should result in a CRN reset. Other 3673 * LIPs and loop up/down events should never reset the CRN. For 3674 * an as of yet unknown reason, 24xx series cards (and 3675 * potentially others) can interrupt with a LIP Reset status 3676 * when no LIP reset came down the wire. Additionally, the LIP 3677 * primitive accompanying this status would not be a valid LIP 3678 * Reset primitive, but some variation of an invalid AL_PA 3679 * LIP. As a result, we have to verify the AL_PD in the LIP 3680 * addresses our port before blindly resetting. 3681 */ 3682 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF))) 3683 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 3684 isp_loop_changed(isp, bus); 3685 break; 3686 } 3687 case ISPASYNC_LIP: 3688 if (msg == NULL) 3689 msg = "LIP Received"; 3690 /* FALLTHROUGH */ 3691 case ISPASYNC_LOOP_DOWN: 3692 if (msg == NULL) 3693 msg = "LOOP Down"; 3694 /* FALLTHROUGH */ 3695 case ISPASYNC_LOOP_UP: 3696 if (msg == NULL) 3697 msg = "LOOP Up"; 3698 va_start(ap, cmd); 3699 bus = va_arg(ap, int); 3700 va_end(ap); 3701 isp_loop_changed(isp, bus); 3702 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3703 break; 3704 case ISPASYNC_DEV_ARRIVED: 3705 va_start(ap, cmd); 3706 bus = va_arg(ap, int); 3707 lp = va_arg(ap, fcportdb_t *); 3708 va_end(ap); 3709 fc = ISP_FC_PC(isp, bus); 3710 tgt = FC_PORTDB_TGT(isp, bus, lp); 3711 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3712 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 3713 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3714 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 3715 lp->is_target = 1; 3716 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3717 isp_make_here(isp, lp, bus, tgt); 3718 } 3719 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3720 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 3721 lp->is_initiator = 1; 3722 ac.contract_number = AC_CONTRACT_DEV_CHG; 3723 adc = (struct ac_device_changed *) ac.contract_data; 3724 adc->wwpn = lp->port_wwn; 3725 adc->port = lp->portid; 3726 adc->target = tgt; 3727 adc->arrived = 1; 3728 xpt_async(AC_CONTRACT, fc->path, &ac); 3729 } 3730 break; 3731 case ISPASYNC_DEV_CHANGED: 3732 case ISPASYNC_DEV_STAYED: 3733 va_start(ap, cmd); 3734 bus = va_arg(ap, int); 3735 lp = va_arg(ap, fcportdb_t *); 3736 va_end(ap); 3737 fc = ISP_FC_PC(isp, bus); 3738 tgt = FC_PORTDB_TGT(isp, bus, lp); 3739 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 3740 if (cmd == ISPASYNC_DEV_CHANGED) 3741 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 3742 else 3743 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 3744 3745 if (lp->is_target != 3746 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3747 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 3748 lp->is_target = !lp->is_target; 3749 if (lp->is_target) { 3750 if (cmd == ISPASYNC_DEV_CHANGED) 3751 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3752 isp_make_here(isp, lp, bus, tgt); 3753 } else { 3754 isp_make_gone(isp, lp, bus, tgt); 3755 if (cmd == ISPASYNC_DEV_CHANGED) 3756 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3757 } 3758 } 3759 if (lp->is_initiator != 3760 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3761 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 3762 lp->is_initiator = !lp->is_initiator; 3763 ac.contract_number = AC_CONTRACT_DEV_CHG; 3764 adc = (struct ac_device_changed *) ac.contract_data; 3765 adc->wwpn = lp->port_wwn; 3766 adc->port = lp->portid; 3767 adc->target = tgt; 3768 adc->arrived = lp->is_initiator; 3769 xpt_async(AC_CONTRACT, fc->path, &ac); 3770 } 3771 break; 3772 case ISPASYNC_DEV_GONE: 3773 va_start(ap, cmd); 3774 bus = va_arg(ap, int); 3775 lp = va_arg(ap, fcportdb_t *); 3776 va_end(ap); 3777 fc = ISP_FC_PC(isp, bus); 3778 tgt = FC_PORTDB_TGT(isp, bus, lp); 3779 /* 3780 * If this has a virtual target or initiator set the isp_gdt 3781 * timer running on it to delay its departure. 3782 */ 3783 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3784 if (lp->is_target || lp->is_initiator) { 3785 lp->state = FC_PORTDB_STATE_ZOMBIE; 3786 lp->gone_timer = fc->gone_device_time; 3787 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 3788 if (fc->ready && !callout_active(&fc->gdt)) { 3789 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); 3790 callout_reset(&fc->gdt, hz, isp_gdt, fc); 3791 } 3792 break; 3793 } 3794 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 3795 break; 3796 case ISPASYNC_CHANGE_NOTIFY: 3797 { 3798 char *msg; 3799 int evt, nphdl, nlstate, portid, reason; 3800 3801 va_start(ap, cmd); 3802 bus = va_arg(ap, int); 3803 evt = va_arg(ap, int); 3804 if (evt == ISPASYNC_CHANGE_PDB) { 3805 nphdl = va_arg(ap, int); 3806 nlstate = va_arg(ap, int); 3807 reason = va_arg(ap, int); 3808 } else if (evt == ISPASYNC_CHANGE_SNS) { 3809 portid = va_arg(ap, int); 3810 } else { 3811 nphdl = NIL_HANDLE; 3812 nlstate = reason = 0; 3813 } 3814 va_end(ap); 3815 3816 if (evt == ISPASYNC_CHANGE_PDB) { 3817 int tgt_set = 0; 3818 msg = "Port Database Changed"; 3819 isp_prt(isp, ISP_LOGINFO, 3820 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3821 bus, msg, nphdl, nlstate, reason); 3822 /* 3823 * Port database syncs are not sufficient for 3824 * determining that logins or logouts are done on the 3825 * loop, but this information is directly available from 3826 * the reason code from the incoming mbox. We must reset 3827 * the fcp crn on these events according to FCP-4 3828 */ 3829 switch (reason) { 3830 case PDB24XX_AE_IMPL_LOGO_1: 3831 case PDB24XX_AE_IMPL_LOGO_2: 3832 case PDB24XX_AE_IMPL_LOGO_3: 3833 case PDB24XX_AE_PLOGI_RCVD: 3834 case PDB24XX_AE_PRLI_RCVD: 3835 case PDB24XX_AE_PRLO_RCVD: 3836 case PDB24XX_AE_LOGO_RCVD: 3837 case PDB24XX_AE_PLOGI_DONE: 3838 case PDB24XX_AE_PRLI_DONE: 3839 /* 3840 * If the event is not global, twiddle tgt and 3841 * tgt_set to nominate only the target 3842 * associated with the nphdl. 3843 */ 3844 if (nphdl != PDB24XX_AE_GLOBAL) { 3845 /* Break if we don't yet have the pdb */ 3846 if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp)) 3847 break; 3848 tgt = FC_PORTDB_TGT(isp, bus, lp); 3849 tgt_set = 1; 3850 } 3851 isp_fcp_reset_crn(isp, bus, tgt, tgt_set); 3852 break; 3853 default: 3854 break; /* NOP */ 3855 } 3856 } else if (evt == ISPASYNC_CHANGE_SNS) { 3857 msg = "Name Server Database Changed"; 3858 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3859 bus, msg, portid); 3860 } else { 3861 msg = "Other Change Notify"; 3862 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3863 } 3864 isp_loop_changed(isp, bus); 3865 break; 3866 } 3867#ifdef ISP_TARGET_MODE 3868 case ISPASYNC_TARGET_NOTIFY: 3869 { 3870 isp_notify_t *notify; 3871 va_start(ap, cmd); 3872 notify = va_arg(ap, isp_notify_t *); 3873 va_end(ap); 3874 switch (notify->nt_ncode) { 3875 case NT_ABORT_TASK: 3876 case NT_ABORT_TASK_SET: 3877 case NT_CLEAR_ACA: 3878 case NT_CLEAR_TASK_SET: 3879 case NT_LUN_RESET: 3880 case NT_TARGET_RESET: 3881 case NT_QUERY_TASK_SET: 3882 case NT_QUERY_ASYNC_EVENT: 3883 /* 3884 * These are task management functions. 3885 */ 3886 isp_handle_platform_target_tmf(isp, notify); 3887 break; 3888 case NT_BUS_RESET: 3889 case NT_LIP_RESET: 3890 case NT_LINK_UP: 3891 case NT_LINK_DOWN: 3892 case NT_HBA_RESET: 3893 /* 3894 * No action need be taken here. 3895 */ 3896 break; 3897 case NT_GLOBAL_LOGOUT: 3898 case NT_LOGOUT: 3899 /* 3900 * This is device arrival/departure notification 3901 */ 3902 isp_handle_platform_target_notify_ack(isp, notify, 0); 3903 break; 3904 case NT_SRR: 3905 isp_handle_platform_srr(isp, notify); 3906 break; 3907 default: 3908 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3909 isp_handle_platform_target_notify_ack(isp, notify, 0); 3910 break; 3911 } 3912 break; 3913 } 3914 case ISPASYNC_TARGET_NOTIFY_ACK: 3915 { 3916 void *inot; 3917 va_start(ap, cmd); 3918 inot = va_arg(ap, void *); 3919 va_end(ap); 3920 if (isp_notify_ack(isp, inot)) { 3921 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3922 if (tp) { 3923 tp->isp = isp; 3924 memcpy(tp->data, inot, sizeof (tp->data)); 3925 tp->not = tp->data; 3926 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3927 callout_reset(&tp->timer, 5, 3928 isp_refire_notify_ack, tp); 3929 } else { 3930 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3931 } 3932 } 3933 break; 3934 } 3935 case ISPASYNC_TARGET_ACTION: 3936 { 3937 isphdr_t *hp; 3938 3939 va_start(ap, cmd); 3940 hp = va_arg(ap, isphdr_t *); 3941 va_end(ap); 3942 switch (hp->rqs_entry_type) { 3943 case RQSTYPE_ATIO: 3944 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 3945 break; 3946 case RQSTYPE_ATIO2: 3947 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 3948 break; 3949 case RQSTYPE_CTIO7: 3950 case RQSTYPE_CTIO3: 3951 case RQSTYPE_CTIO2: 3952 case RQSTYPE_CTIO: 3953 isp_handle_platform_ctio(isp, hp); 3954 break; 3955 default: 3956 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3957 __func__, hp->rqs_entry_type); 3958 break; 3959 } 3960 break; 3961 } 3962#endif 3963 case ISPASYNC_FW_CRASH: 3964 { 3965 uint16_t mbox1, mbox6; 3966 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3967 if (IS_DUALBUS(isp)) { 3968 mbox6 = ISP_READ(isp, OUTMAILBOX6); 3969 } else { 3970 mbox6 = 0; 3971 } 3972 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 3973#if 0 3974 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 3975 isp->isp_osinfo.mbox_sleep_ok = 0; 3976 isp_reinit(isp, 1); 3977 isp->isp_osinfo.mbox_sleep_ok = mbox1; 3978 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 3979#endif 3980 break; 3981 } 3982 default: 3983 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 3984 break; 3985 } 3986} 3987 3988uint64_t 3989isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 3990{ 3991 uint64_t seed; 3992 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3993 3994 /* First try to use explicitly configured WWNs. */ 3995 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 3996 if (seed) 3997 return (seed); 3998 3999 /* Otherwise try to use WWNs from NVRAM. */ 4000 if (isactive) { 4001 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 4002 FCPARAM(isp, chan)->isp_wwpn_nvram; 4003 if (seed) 4004 return (seed); 4005 } 4006 4007 /* If still no WWNs, try to steal them from the first channel. */ 4008 if (chan > 0) { 4009 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 4010 ISP_FC_PC(isp, 0)->def_wwpn; 4011 if (seed == 0) { 4012 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 4013 FCPARAM(isp, 0)->isp_wwpn_nvram; 4014 } 4015 } 4016 4017 /* If still nothing -- improvise. */ 4018 if (seed == 0) { 4019 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 4020 if (!iswwnn) 4021 seed ^= 0x0100000000000000ULL; 4022 } 4023 4024 /* For additional channels we have to improvise even more. */ 4025 if (!iswwnn && chan > 0) { 4026 /* 4027 * We'll stick our channel number plus one first into bits 4028 * 57..59 and thence into bits 52..55 which allows for 8 bits 4029 * of channel which is enough for our maximum of 255 channels. 4030 */ 4031 seed ^= 0x0100000000000000ULL; 4032 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 4033 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 4034 } 4035 return (seed); 4036} 4037 4038void 4039isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 4040{ 4041 int loc; 4042 char lbuf[200]; 4043 va_list ap; 4044 4045 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4046 return; 4047 } 4048 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 4049 loc = strlen(lbuf); 4050 va_start(ap, fmt); 4051 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 4052 va_end(ap); 4053 printf("%s\n", lbuf); 4054} 4055 4056void 4057isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 4058{ 4059 va_list ap; 4060 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4061 return; 4062 } 4063 xpt_print_path(xs->ccb_h.path); 4064 va_start(ap, fmt); 4065 vprintf(fmt, ap); 4066 va_end(ap); 4067 printf("\n"); 4068} 4069 4070uint64_t 4071isp_nanotime_sub(struct timespec *b, struct timespec *a) 4072{ 4073 uint64_t elapsed; 4074 struct timespec x = *b; 4075 timespecsub(&x, a); 4076 elapsed = GET_NANOSEC(&x); 4077 if (elapsed == 0) 4078 elapsed++; 4079 return (elapsed); 4080} 4081 4082int 4083isp_mbox_acquire(ispsoftc_t *isp) 4084{ 4085 if (isp->isp_osinfo.mboxbsy) { 4086 return (1); 4087 } else { 4088 isp->isp_osinfo.mboxcmd_done = 0; 4089 isp->isp_osinfo.mboxbsy = 1; 4090 return (0); 4091 } 4092} 4093 4094void 4095isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 4096{ 4097 u_int t, to; 4098 4099 to = (mbp->timeout == 0) ? MBCMD_DEFAULT_TIMEOUT : mbp->timeout; 4100 if (isp->isp_osinfo.mbox_sleep_ok) { 4101 isp->isp_osinfo.mbox_sleep_ok = 0; 4102 isp->isp_osinfo.mbox_sleeping = 1; 4103 msleep_sbt(&isp->isp_osinfo.mboxcmd_done, &isp->isp_lock, 4104 PRIBIO, "ispmbx_sleep", to * SBT_1US, 0, 0); 4105 isp->isp_osinfo.mbox_sleep_ok = 1; 4106 isp->isp_osinfo.mbox_sleeping = 0; 4107 } else { 4108 for (t = 0; t < to; t += 100) { 4109 if (isp->isp_osinfo.mboxcmd_done) 4110 break; 4111 ISP_RUN_ISR(isp); 4112 if (isp->isp_osinfo.mboxcmd_done) 4113 break; 4114 ISP_DELAY(100); 4115 } 4116 } 4117 if (isp->isp_osinfo.mboxcmd_done == 0) { 4118 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (%s:%d)", 4119 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 4120 isp->isp_lastmbxcmd, to, mbp->func, mbp->lineno); 4121 mbp->param[0] = MBOX_TIMEOUT; 4122 isp->isp_osinfo.mboxcmd_done = 1; 4123 } 4124} 4125 4126void 4127isp_mbox_notify_done(ispsoftc_t *isp) 4128{ 4129 isp->isp_osinfo.mboxcmd_done = 1; 4130 if (isp->isp_osinfo.mbox_sleeping) 4131 wakeup(&isp->isp_osinfo.mboxcmd_done); 4132} 4133 4134void 4135isp_mbox_release(ispsoftc_t *isp) 4136{ 4137 isp->isp_osinfo.mboxbsy = 0; 4138} 4139 4140int 4141isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 4142{ 4143 int ret = 0; 4144 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 4145 ret = -1; 4146 } else { 4147 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 4148 } 4149 return (ret); 4150} 4151 4152void 4153isp_platform_intr(void *arg) 4154{ 4155 ispsoftc_t *isp = arg; 4156 4157 ISP_LOCK(isp); 4158 ISP_RUN_ISR(isp); 4159 ISP_UNLOCK(isp); 4160} 4161 4162void 4163isp_platform_intr_resp(void *arg) 4164{ 4165 ispsoftc_t *isp = arg; 4166 4167 ISP_LOCK(isp); 4168 isp_intr_respq(isp); 4169 ISP_UNLOCK(isp); 4170 4171 /* We have handshake enabled, so explicitly complete interrupt */ 4172 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4173} 4174 4175void 4176isp_platform_intr_atio(void *arg) 4177{ 4178 ispsoftc_t *isp = arg; 4179 4180 ISP_LOCK(isp); 4181#ifdef ISP_TARGET_MODE 4182 isp_intr_atioq(isp); 4183#endif 4184 ISP_UNLOCK(isp); 4185 4186 /* We have handshake enabled, so explicitly complete interrupt */ 4187 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4188} 4189 4190void 4191isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 4192{ 4193 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4194 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 4195 } else { 4196 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 4197 } 4198 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 4199} 4200 4201/* 4202 * Reset the command reference number for all LUNs on a specific target 4203 * (needed when a target arrives again) or for all targets on a port 4204 * (needed for events like a LIP). 4205 */ 4206void 4207isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 4208{ 4209 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4210 struct isp_nexus *nxp; 4211 int i; 4212 4213 if (tgt_set == 0) 4214 isp_prt(isp, ISP_LOGDEBUG0, 4215 "Chan %d resetting CRN on all targets", chan); 4216 else 4217 isp_prt(isp, ISP_LOGDEBUG0, 4218 "Chan %d resetting CRN on target %u", chan, tgt); 4219 4220 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 4221 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 4222 if (tgt_set == 0 || tgt == nxp->tgt) 4223 nxp->crnseed = 0; 4224 } 4225 } 4226} 4227 4228int 4229isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 4230{ 4231 lun_id_t lun; 4232 uint32_t chan, tgt; 4233 struct isp_fc *fc; 4234 struct isp_nexus *nxp; 4235 int idx; 4236 4237 if (IS_2100(isp)) 4238 return (0); 4239 4240 chan = XS_CHANNEL(cmd); 4241 tgt = XS_TGT(cmd); 4242 lun = XS_LUN(cmd); 4243 fc = &isp->isp_osinfo.pc.fc[chan]; 4244 idx = NEXUS_HASH(tgt, lun); 4245 nxp = fc->nexus_hash[idx]; 4246 4247 while (nxp) { 4248 if (nxp->tgt == tgt && nxp->lun == lun) 4249 break; 4250 nxp = nxp->next; 4251 } 4252 if (nxp == NULL) { 4253 nxp = fc->nexus_free_list; 4254 if (nxp == NULL) { 4255 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 4256 if (nxp == NULL) { 4257 return (-1); 4258 } 4259 } else { 4260 fc->nexus_free_list = nxp->next; 4261 } 4262 nxp->tgt = tgt; 4263 nxp->lun = lun; 4264 nxp->next = fc->nexus_hash[idx]; 4265 fc->nexus_hash[idx] = nxp; 4266 } 4267 if (nxp->crnseed == 0) 4268 nxp->crnseed = 1; 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