1/*- 2 * Copyright (c) 2009-2017 Alexander Motin <mav@FreeBSD.org> 3 * Copyright (c) 1997-2009 by Matthew Jacob 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice immediately at the beginning of the file, without modification, 11 * this list of conditions, and the following disclaimer. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28/* 29 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters. 30 */ 31#include <sys/cdefs.h> 32__FBSDID("$FreeBSD: stable/11/sys/dev/isp/isp_freebsd.c 348483 2019-05-31 20:36:32Z ken $"); 33 34#include <dev/isp/isp_freebsd.h> 35#include <sys/unistd.h> 36#include <sys/kthread.h> 37#include <sys/conf.h> 38#include <sys/module.h> 39#include <sys/ioccom.h> 40#include <dev/isp/isp_ioctl.h> 41#include <sys/devicestat.h> 42#include <cam/cam_periph.h> 43#include <cam/cam_xpt_periph.h> 44 45MODULE_VERSION(isp, 1); 46MODULE_DEPEND(isp, cam, 1, 1, 1); 47int isp_announced = 0; 48int isp_loop_down_limit = 60; /* default loop down limit */ 49int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */ 50int isp_gone_device_time = 30; /* grace time before reporting device lost */ 51static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 52 53static void isp_freeze_loopdown(ispsoftc_t *, int); 54static void isp_loop_changed(ispsoftc_t *isp, int chan); 55static d_ioctl_t ispioctl; 56static void isp_cam_async(void *, uint32_t, struct cam_path *, void *); 57static void isp_poll(struct cam_sim *); 58static timeout_t isp_watchdog; 59static timeout_t isp_gdt; 60static task_fn_t isp_gdt_task; 61static void isp_kthread(void *); 62static void isp_action(struct cam_sim *, union ccb *); 63static int isp_timer_count; 64static void isp_timer(void *); 65 66static struct cdevsw isp_cdevsw = { 67 .d_version = D_VERSION, 68 .d_ioctl = ispioctl, 69 .d_name = "isp", 70}; 71 72static int 73isp_role_sysctl(SYSCTL_HANDLER_ARGS) 74{ 75 ispsoftc_t *isp = (ispsoftc_t *)arg1; 76 int chan = arg2; 77 int error, old, value; 78 79 value = FCPARAM(isp, chan)->role; 80 81 error = sysctl_handle_int(oidp, &value, 0, req); 82 if ((error != 0) || (req->newptr == NULL)) 83 return (error); 84 85 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 86 return (EINVAL); 87 88 ISP_LOCK(isp); 89 old = FCPARAM(isp, chan)->role; 90 91 /* We don't allow target mode switch from here. */ 92 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 93 94 /* If nothing has changed -- we are done. */ 95 if (value == old) { 96 ISP_UNLOCK(isp); 97 return (0); 98 } 99 100 /* Actually change the role. */ 101 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 102 ISP_UNLOCK(isp); 103 return (error); 104} 105 106static int 107isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 108{ 109 struct ccb_setasync csa; 110 struct cam_sim *sim; 111 struct cam_path *path; 112#ifdef ISP_TARGET_MODE 113 int i; 114#endif 115 116 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 117 device_get_unit(isp->isp_dev), &isp->isp_lock, 118 isp->isp_maxcmds, isp->isp_maxcmds, devq); 119 if (sim == NULL) 120 return (ENOMEM); 121 122 ISP_LOCK(isp); 123 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 124 ISP_UNLOCK(isp); 125 cam_sim_free(sim, FALSE); 126 return (EIO); 127 } 128 ISP_UNLOCK(isp); 129 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 130 ISP_LOCK(isp); 131 xpt_bus_deregister(cam_sim_path(sim)); 132 ISP_UNLOCK(isp); 133 cam_sim_free(sim, FALSE); 134 return (ENXIO); 135 } 136 xpt_setup_ccb(&csa.ccb_h, path, 5); 137 csa.ccb_h.func_code = XPT_SASYNC_CB; 138 csa.event_enable = AC_LOST_DEVICE; 139 csa.callback = isp_cam_async; 140 csa.callback_arg = sim; 141 142 ISP_LOCK(isp); 143 xpt_action((union ccb *)&csa); 144 ISP_UNLOCK(isp); 145 146 if (IS_SCSI(isp)) { 147 struct isp_spi *spi = ISP_SPI_PC(isp, chan); 148 spi->sim = sim; 149 spi->path = path; 150#ifdef ISP_TARGET_MODE 151 TAILQ_INIT(&spi->waitq); 152 STAILQ_INIT(&spi->ntfree); 153 for (i = 0; i < ATPDPSIZE; i++) 154 STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next); 155 LIST_INIT(&spi->atfree); 156 for (i = ATPDPSIZE-1; i >= 0; i--) 157 LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next); 158 for (i = 0; i < ATPDPHASHSIZE; i++) 159 LIST_INIT(&spi->atused[i]); 160#endif 161 } else { 162 fcparam *fcp = FCPARAM(isp, chan); 163 struct isp_fc *fc = ISP_FC_PC(isp, chan); 164 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 165 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 166 char name[16]; 167 168 ISP_LOCK(isp); 169 fc->sim = sim; 170 fc->path = path; 171 fc->isp = isp; 172 fc->ready = 1; 173 fcp->isp_use_gft_id = 1; 174 fcp->isp_use_gff_id = 1; 175 176 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0); 177 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 178#ifdef ISP_TARGET_MODE 179 TAILQ_INIT(&fc->waitq); 180 STAILQ_INIT(&fc->ntfree); 181 for (i = 0; i < ATPDPSIZE; i++) 182 STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next); 183 LIST_INIT(&fc->atfree); 184 for (i = ATPDPSIZE-1; i >= 0; i--) 185 LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next); 186 for (i = 0; i < ATPDPHASHSIZE; i++) 187 LIST_INIT(&fc->atused[i]); 188#endif 189 isp_loop_changed(isp, chan); 190 ISP_UNLOCK(isp); 191 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0, 192 "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 193 xpt_free_path(fc->path); 194 ISP_LOCK(isp); 195 xpt_bus_deregister(cam_sim_path(fc->sim)); 196 ISP_UNLOCK(isp); 197 cam_sim_free(fc->sim, FALSE); 198 return (ENOMEM); 199 } 200 fc->num_threads += 1; 201 if (chan > 0) { 202 snprintf(name, sizeof(name), "chan%d", chan); 203 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 204 OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel"); 205 } 206 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 207 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 208 "World Wide Node Name"); 209 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 210 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 211 "World Wide Port Name"); 212 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 213 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 214 "Loop Down Limit"); 215 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 216 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 217 "Gone Device Time"); 218#if defined(ISP_TARGET_MODE) && defined(DEBUG) 219 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 220 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 221 "Cause a Lost Frame on a Read"); 222#endif 223 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 224 "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan, 225 isp_role_sysctl, "I", "Current role"); 226 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 227 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 228 "Connection speed in gigabits"); 229 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 230 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 231 "Link state"); 232 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 233 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 234 "Firmware state"); 235 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 236 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 237 "Loop state"); 238 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 239 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 240 "Connection topology"); 241 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 242 "use_gft_id", CTLFLAG_RWTUN, &fcp->isp_use_gft_id, 0, 243 "Use GFT_ID during fabric scan"); 244 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 245 "use_gff_id", CTLFLAG_RWTUN, &fcp->isp_use_gff_id, 0, 246 "Use GFF_ID during fabric scan"); 247 } 248 return (0); 249} 250 251static void 252isp_detach_chan(ispsoftc_t *isp, int chan) 253{ 254 struct cam_sim *sim; 255 struct cam_path *path; 256 struct ccb_setasync csa; 257 int *num_threads; 258 259 ISP_GET_PC(isp, chan, sim, sim); 260 ISP_GET_PC(isp, chan, path, path); 261 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 262 263 xpt_setup_ccb(&csa.ccb_h, path, 5); 264 csa.ccb_h.func_code = XPT_SASYNC_CB; 265 csa.event_enable = 0; 266 csa.callback = isp_cam_async; 267 csa.callback_arg = sim; 268 xpt_action((union ccb *)&csa); 269 xpt_free_path(path); 270 xpt_bus_deregister(cam_sim_path(sim)); 271 cam_sim_free(sim, FALSE); 272 273 /* Wait for the channel's spawned threads to exit. */ 274 wakeup(isp->isp_osinfo.pc.ptr); 275 while (*num_threads != 0) 276 mtx_sleep(isp, &isp->isp_lock, PRIBIO, "isp_reap", 100); 277} 278 279int 280isp_attach(ispsoftc_t *isp) 281{ 282 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 283 int du = device_get_unit(isp->isp_dev); 284 int chan; 285 286 /* 287 * Create the device queue for our SIM(s). 288 */ 289 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 290 if (isp->isp_osinfo.devq == NULL) { 291 return (EIO); 292 } 293 294 for (chan = 0; chan < isp->isp_nchan; chan++) { 295 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 296 goto unwind; 297 } 298 } 299 300 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0); 301 isp_timer_count = hz >> 2; 302 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 303 304 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 305 if (isp->isp_osinfo.cdev) { 306 isp->isp_osinfo.cdev->si_drv1 = isp; 307 } 308 return (0); 309 310unwind: 311 while (--chan >= 0) { 312 struct cam_sim *sim; 313 struct cam_path *path; 314 315 ISP_GET_PC(isp, chan, sim, sim); 316 ISP_GET_PC(isp, chan, path, path); 317 xpt_free_path(path); 318 ISP_LOCK(isp); 319 xpt_bus_deregister(cam_sim_path(sim)); 320 ISP_UNLOCK(isp); 321 cam_sim_free(sim, FALSE); 322 } 323 cam_simq_free(isp->isp_osinfo.devq); 324 isp->isp_osinfo.devq = NULL; 325 return (-1); 326} 327 328int 329isp_detach(ispsoftc_t *isp) 330{ 331 int chan; 332 333 if (isp->isp_osinfo.cdev) { 334 destroy_dev(isp->isp_osinfo.cdev); 335 isp->isp_osinfo.cdev = NULL; 336 } 337 ISP_LOCK(isp); 338 /* Tell spawned threads that we're exiting. */ 339 isp->isp_osinfo.is_exiting = 1; 340 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 341 isp_detach_chan(isp, chan); 342 ISP_UNLOCK(isp); 343 callout_drain(&isp->isp_osinfo.tmo); 344 cam_simq_free(isp->isp_osinfo.devq); 345 return (0); 346} 347 348static void 349isp_freeze_loopdown(ispsoftc_t *isp, int chan) 350{ 351 struct isp_fc *fc = ISP_FC_PC(isp, chan); 352 353 if (fc->sim == NULL) 354 return; 355 if (fc->simqfrozen == 0) { 356 isp_prt(isp, ISP_LOGDEBUG0, 357 "Chan %d Freeze simq (loopdown)", chan); 358 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 359 xpt_hold_boot(); 360 xpt_freeze_simq(fc->sim, 1); 361 } else { 362 isp_prt(isp, ISP_LOGDEBUG0, 363 "Chan %d Mark simq frozen (loopdown)", chan); 364 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 365 } 366} 367 368static void 369isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 370{ 371 struct isp_fc *fc = ISP_FC_PC(isp, chan); 372 373 if (fc->sim == NULL) 374 return; 375 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 376 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 377 if (wasfrozen && fc->simqfrozen == 0) { 378 isp_prt(isp, ISP_LOGDEBUG0, 379 "Chan %d Release simq", chan); 380 xpt_release_simq(fc->sim, 1); 381 xpt_release_boot(); 382 } 383} 384 385static int 386ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 387{ 388 ispsoftc_t *isp; 389 int nr, chan, retval = ENOTTY; 390 391 isp = dev->si_drv1; 392 393 switch (c) { 394 case ISP_SDBLEV: 395 { 396 int olddblev = isp->isp_dblev; 397 isp->isp_dblev = *(int *)addr; 398 *(int *)addr = olddblev; 399 retval = 0; 400 break; 401 } 402 case ISP_GETROLE: 403 chan = *(int *)addr; 404 if (chan < 0 || chan >= isp->isp_nchan) { 405 retval = -ENXIO; 406 break; 407 } 408 if (IS_FC(isp)) { 409 *(int *)addr = FCPARAM(isp, chan)->role; 410 } else { 411 *(int *)addr = ISP_ROLE_INITIATOR; 412 } 413 retval = 0; 414 break; 415 case ISP_SETROLE: 416 if (IS_SCSI(isp)) 417 break; 418 nr = *(int *)addr; 419 chan = nr >> 8; 420 if (chan < 0 || chan >= isp->isp_nchan) { 421 retval = -ENXIO; 422 break; 423 } 424 nr &= 0xff; 425 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 426 retval = EINVAL; 427 break; 428 } 429 ISP_LOCK(isp); 430 *(int *)addr = FCPARAM(isp, chan)->role; 431 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 432 ISP_UNLOCK(isp); 433 retval = 0; 434 break; 435 436 case ISP_RESETHBA: 437 ISP_LOCK(isp); 438 isp_reinit(isp, 0); 439 ISP_UNLOCK(isp); 440 retval = 0; 441 break; 442 443 case ISP_RESCAN: 444 if (IS_FC(isp)) { 445 chan = *(intptr_t *)addr; 446 if (chan < 0 || chan >= isp->isp_nchan) { 447 retval = -ENXIO; 448 break; 449 } 450 ISP_LOCK(isp); 451 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 452 retval = EIO; 453 } else { 454 retval = 0; 455 } 456 ISP_UNLOCK(isp); 457 } 458 break; 459 460 case ISP_FC_LIP: 461 if (IS_FC(isp)) { 462 chan = *(intptr_t *)addr; 463 if (chan < 0 || chan >= isp->isp_nchan) { 464 retval = -ENXIO; 465 break; 466 } 467 ISP_LOCK(isp); 468 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 469 retval = EIO; 470 } else { 471 retval = 0; 472 } 473 ISP_UNLOCK(isp); 474 } 475 break; 476 case ISP_FC_GETDINFO: 477 { 478 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 479 fcportdb_t *lp; 480 481 if (IS_SCSI(isp)) { 482 break; 483 } 484 if (ifc->loopid >= MAX_FC_TARG) { 485 retval = EINVAL; 486 break; 487 } 488 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 489 if (lp->state != FC_PORTDB_STATE_NIL) { 490 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 491 ifc->loopid = lp->handle; 492 ifc->portid = lp->portid; 493 ifc->node_wwn = lp->node_wwn; 494 ifc->port_wwn = lp->port_wwn; 495 retval = 0; 496 } else { 497 retval = ENODEV; 498 } 499 break; 500 } 501 case ISP_FC_GETHINFO: 502 { 503 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 504 int chan = hba->fc_channel; 505 506 if (chan < 0 || chan >= isp->isp_nchan) { 507 retval = ENXIO; 508 break; 509 } 510 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 511 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 512 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 513 hba->fc_nchannels = isp->isp_nchan; 514 if (IS_FC(isp)) { 515 hba->fc_nports = MAX_FC_TARG; 516 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 517 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 518 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 519 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 520 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 521 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 522 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 523 } else { 524 hba->fc_nports = MAX_TARGETS; 525 hba->fc_speed = 0; 526 hba->fc_topology = 0; 527 hba->nvram_node_wwn = 0ull; 528 hba->nvram_port_wwn = 0ull; 529 hba->active_node_wwn = 0ull; 530 hba->active_port_wwn = 0ull; 531 } 532 retval = 0; 533 break; 534 } 535 case ISP_TSK_MGMT: 536 { 537 int needmarker; 538 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 539 uint16_t nphdl; 540 mbreg_t mbs; 541 542 if (IS_SCSI(isp)) { 543 break; 544 } 545 546 chan = fct->chan; 547 if (chan < 0 || chan >= isp->isp_nchan) { 548 retval = -ENXIO; 549 break; 550 } 551 552 needmarker = retval = 0; 553 nphdl = fct->loopid; 554 ISP_LOCK(isp); 555 if (IS_24XX(isp)) { 556 void *reqp; 557 uint8_t resp[QENTRY_LEN]; 558 isp24xx_tmf_t tmf; 559 isp24xx_statusreq_t sp; 560 fcparam *fcp = FCPARAM(isp, chan); 561 fcportdb_t *lp; 562 int i; 563 564 for (i = 0; i < MAX_FC_TARG; i++) { 565 lp = &fcp->portdb[i]; 566 if (lp->handle == nphdl) { 567 break; 568 } 569 } 570 if (i == MAX_FC_TARG) { 571 retval = ENXIO; 572 ISP_UNLOCK(isp); 573 break; 574 } 575 ISP_MEMZERO(&tmf, sizeof(tmf)); 576 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 577 tmf.tmf_header.rqs_entry_count = 1; 578 tmf.tmf_nphdl = lp->handle; 579 tmf.tmf_delay = 2; 580 tmf.tmf_timeout = 4; 581 tmf.tmf_tidlo = lp->portid; 582 tmf.tmf_tidhi = lp->portid >> 16; 583 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 584 tmf.tmf_lun[1] = fct->lun & 0xff; 585 if (fct->lun >= 256) { 586 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 587 } 588 switch (fct->action) { 589 case IPT_CLEAR_ACA: 590 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 591 break; 592 case IPT_TARGET_RESET: 593 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 594 needmarker = 1; 595 break; 596 case IPT_LUN_RESET: 597 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 598 needmarker = 1; 599 break; 600 case IPT_CLEAR_TASK_SET: 601 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 602 needmarker = 1; 603 break; 604 case IPT_ABORT_TASK_SET: 605 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 606 needmarker = 1; 607 break; 608 default: 609 retval = EINVAL; 610 break; 611 } 612 if (retval) { 613 ISP_UNLOCK(isp); 614 break; 615 } 616 617 /* Prepare space for response in memory */ 618 memset(resp, 0xff, sizeof(resp)); 619 tmf.tmf_handle = isp_allocate_handle(isp, resp, 620 ISP_HANDLE_CTRL); 621 if (tmf.tmf_handle == 0) { 622 isp_prt(isp, ISP_LOGERR, 623 "%s: TMF of Chan %d out of handles", 624 __func__, chan); 625 ISP_UNLOCK(isp); 626 retval = ENOMEM; 627 break; 628 } 629 630 /* Send request and wait for response. */ 631 reqp = isp_getrqentry(isp); 632 if (reqp == NULL) { 633 isp_prt(isp, ISP_LOGERR, 634 "%s: TMF of Chan %d out of rqent", 635 __func__, chan); 636 isp_destroy_handle(isp, tmf.tmf_handle); 637 ISP_UNLOCK(isp); 638 retval = EIO; 639 break; 640 } 641 isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp); 642 if (isp->isp_dblev & ISP_LOGDEBUG1) 643 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp); 644 ISP_SYNC_REQUEST(isp); 645 if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) { 646 isp_prt(isp, ISP_LOGERR, 647 "%s: TMF of Chan %d timed out", 648 __func__, chan); 649 isp_destroy_handle(isp, tmf.tmf_handle); 650 ISP_UNLOCK(isp); 651 retval = EIO; 652 break; 653 } 654 if (isp->isp_dblev & ISP_LOGDEBUG1) 655 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp); 656 isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp); 657 658 if (sp.req_completion_status != 0) 659 retval = EIO; 660 else if (needmarker) 661 fcp->sendmarker = 1; 662 } else { 663 MBSINIT(&mbs, 0, MBLOGALL, 0); 664 if (ISP_CAP_2KLOGIN(isp) == 0) { 665 nphdl <<= 8; 666 } 667 switch (fct->action) { 668 case IPT_CLEAR_ACA: 669 mbs.param[0] = MBOX_CLEAR_ACA; 670 mbs.param[1] = nphdl; 671 mbs.param[2] = fct->lun; 672 break; 673 case IPT_TARGET_RESET: 674 mbs.param[0] = MBOX_TARGET_RESET; 675 mbs.param[1] = nphdl; 676 needmarker = 1; 677 break; 678 case IPT_LUN_RESET: 679 mbs.param[0] = MBOX_LUN_RESET; 680 mbs.param[1] = nphdl; 681 mbs.param[2] = fct->lun; 682 needmarker = 1; 683 break; 684 case IPT_CLEAR_TASK_SET: 685 mbs.param[0] = MBOX_CLEAR_TASK_SET; 686 mbs.param[1] = nphdl; 687 mbs.param[2] = fct->lun; 688 needmarker = 1; 689 break; 690 case IPT_ABORT_TASK_SET: 691 mbs.param[0] = MBOX_ABORT_TASK_SET; 692 mbs.param[1] = nphdl; 693 mbs.param[2] = fct->lun; 694 needmarker = 1; 695 break; 696 default: 697 retval = EINVAL; 698 break; 699 } 700 if (retval == 0) { 701 if (needmarker) { 702 FCPARAM(isp, chan)->sendmarker = 1; 703 } 704 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 705 if (retval) { 706 retval = EIO; 707 } 708 } 709 } 710 ISP_UNLOCK(isp); 711 break; 712 } 713 default: 714 break; 715 } 716 return (retval); 717} 718 719/* 720 * Local Inlines 721 */ 722 723static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 724static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 725 726static ISP_INLINE int 727isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 728{ 729 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 730 if (ISP_PCMD(ccb) == NULL) { 731 return (-1); 732 } 733 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 734 return (0); 735} 736 737static ISP_INLINE void 738isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 739{ 740 if (ISP_PCMD(ccb)) { 741#ifdef ISP_TARGET_MODE 742 PISP_PCMD(ccb)->datalen = 0; 743#endif 744 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 745 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 746 ISP_PCMD(ccb) = NULL; 747 } 748} 749 750/* 751 * Put the target mode functions here, because some are inlines 752 */ 753#ifdef ISP_TARGET_MODE 754static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 755static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 756static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 757static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 758static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 759static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 760static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 761static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 762static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 763static void isp_enable_lun(ispsoftc_t *, union ccb *); 764static void isp_disable_lun(ispsoftc_t *, union ccb *); 765static timeout_t isp_refire_putback_atio; 766static timeout_t isp_refire_notify_ack; 767static void isp_complete_ctio(union ccb *); 768static void isp_target_putback_atio(union ccb *); 769enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 770static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 771static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 772static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 773static void isp_handle_platform_ctio(ispsoftc_t *, void *); 774static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 775static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 776static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 777 778static ISP_INLINE tstate_t * 779get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 780{ 781 tstate_t *tptr = NULL; 782 struct tslist *lhp; 783 784 if (bus < isp->isp_nchan) { 785 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 786 SLIST_FOREACH(tptr, lhp, next) { 787 if (tptr->ts_lun == lun) 788 return (tptr); 789 } 790 } 791 return (NULL); 792} 793 794static int 795isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 796{ 797 inot_private_data_t *ntp; 798 struct ntpdlist rq; 799 800 if (STAILQ_EMPTY(&tptr->restart_queue)) 801 return (0); 802 STAILQ_INIT(&rq); 803 STAILQ_CONCAT(&rq, &tptr->restart_queue); 804 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 805 STAILQ_REMOVE_HEAD(&rq, next); 806 if (IS_24XX(isp)) { 807 isp_prt(isp, ISP_LOGTDEBUG0, 808 "%s: restarting resrc deprived %x", __func__, 809 ((at7_entry_t *)ntp->data)->at_rxid); 810 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 811 } else { 812 isp_prt(isp, ISP_LOGTDEBUG0, 813 "%s: restarting resrc deprived %x", __func__, 814 ((at2_entry_t *)ntp->data)->at_rxid); 815 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data); 816 } 817 isp_put_ntpd(isp, bus, ntp); 818 if (!STAILQ_EMPTY(&tptr->restart_queue)) 819 break; 820 } 821 if (!STAILQ_EMPTY(&rq)) { 822 STAILQ_CONCAT(&rq, &tptr->restart_queue); 823 STAILQ_CONCAT(&tptr->restart_queue, &rq); 824 } 825 return (!STAILQ_EMPTY(&tptr->restart_queue)); 826} 827 828static void 829isp_tmcmd_restart(ispsoftc_t *isp) 830{ 831 tstate_t *tptr; 832 union ccb *ccb; 833 struct tslist *lhp; 834 struct isp_ccbq *waitq; 835 int bus, i; 836 837 for (bus = 0; bus < isp->isp_nchan; bus++) { 838 for (i = 0; i < LUN_HASH_SIZE; i++) { 839 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 840 SLIST_FOREACH(tptr, lhp, next) 841 isp_atio_restart(isp, bus, tptr); 842 } 843 844 /* 845 * We only need to do this once per channel. 846 */ 847 ISP_GET_PC_ADDR(isp, bus, waitq, waitq); 848 ccb = (union ccb *)TAILQ_FIRST(waitq); 849 if (ccb != NULL) { 850 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 851 isp_target_start_ctio(isp, ccb, FROM_TIMER); 852 } 853 } 854} 855 856static atio_private_data_t * 857isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 858{ 859 struct atpdlist *atfree; 860 struct atpdlist *atused; 861 atio_private_data_t *atp; 862 863 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 864 atp = LIST_FIRST(atfree); 865 if (atp) { 866 LIST_REMOVE(atp, next); 867 atp->tag = tag; 868 ISP_GET_PC(isp, chan, atused, atused); 869 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next); 870 } 871 return (atp); 872} 873 874static atio_private_data_t * 875isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 876{ 877 struct atpdlist *atused; 878 atio_private_data_t *atp; 879 880 ISP_GET_PC(isp, chan, atused, atused); 881 LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) { 882 if (atp->tag == tag) 883 return (atp); 884 } 885 return (NULL); 886} 887 888static void 889isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 890{ 891 struct atpdlist *atfree; 892 893 if (atp->ests) { 894 isp_put_ecmd(isp, atp->ests); 895 } 896 LIST_REMOVE(atp, next); 897 memset(atp, 0, sizeof (*atp)); 898 ISP_GET_PC_ADDR(isp, chan, atfree, atfree); 899 LIST_INSERT_HEAD(atfree, atp, next); 900} 901 902static void 903isp_dump_atpd(ispsoftc_t *isp, int chan) 904{ 905 atio_private_data_t *atp, *atpool; 906 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 907 908 ISP_GET_PC(isp, chan, atpool, atpool); 909 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 910 if (atp->state == ATPD_STATE_FREE) 911 continue; 912 isp_prt(isp, ISP_LOGALL, "Chan %d ATP [0x%x] origdlen %u bytes_xfrd %u lun %jx nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s", 913 chan, atp->tag, atp->orig_datalen, atp->bytes_xfered, (uintmax_t)atp->lun, atp->nphdl, atp->sid, atp->did, atp->oxid, states[atp->state & 0x7]); 914 } 915} 916 917static inot_private_data_t * 918isp_get_ntpd(ispsoftc_t *isp, int chan) 919{ 920 struct ntpdlist *ntfree; 921 inot_private_data_t *ntp; 922 923 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 924 ntp = STAILQ_FIRST(ntfree); 925 if (ntp) 926 STAILQ_REMOVE_HEAD(ntfree, next); 927 return (ntp); 928} 929 930static inot_private_data_t * 931isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 932{ 933 inot_private_data_t *ntp, *ntp2; 934 935 ISP_GET_PC(isp, chan, ntpool, ntp); 936 ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2); 937 for (; ntp < ntp2; ntp++) { 938 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 939 return (ntp); 940 } 941 return (NULL); 942} 943 944static void 945isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 946{ 947 struct ntpdlist *ntfree; 948 949 ntp->tag_id = ntp->seq_id = 0; 950 ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree); 951 STAILQ_INSERT_HEAD(ntfree, ntp, next); 952} 953 954static cam_status 955create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 956{ 957 lun_id_t lun; 958 struct tslist *lhp; 959 tstate_t *tptr; 960 961 lun = xpt_path_lun_id(path); 962 if (lun != CAM_LUN_WILDCARD) { 963 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) { 964 return (CAM_LUN_INVALID); 965 } 966 } 967 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 968 if (tptr == NULL) { 969 return (CAM_RESRC_UNAVAIL); 970 } 971 tptr->ts_lun = lun; 972 SLIST_INIT(&tptr->atios); 973 SLIST_INIT(&tptr->inots); 974 STAILQ_INIT(&tptr->restart_queue); 975 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 976 SLIST_INSERT_HEAD(lhp, tptr, next); 977 *rslt = tptr; 978 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 979 return (CAM_REQ_CMP); 980} 981 982static void 983destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 984{ 985 union ccb *ccb; 986 struct tslist *lhp; 987 inot_private_data_t *ntp; 988 989 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 990 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 991 ccb->ccb_h.status = CAM_REQ_ABORTED; 992 xpt_done(ccb); 993 }; 994 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 995 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 996 ccb->ccb_h.status = CAM_REQ_ABORTED; 997 xpt_done(ccb); 998 } 999 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 1000 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 1001 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 1002 isp_put_ntpd(isp, bus, ntp); 1003 } 1004 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 1005 SLIST_REMOVE(lhp, tptr, tstate, next); 1006 free(tptr, M_DEVBUF); 1007} 1008 1009static void 1010isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1011{ 1012 tstate_t *tptr; 1013 int bus; 1014 target_id_t target; 1015 lun_id_t lun; 1016 1017 if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) { 1018 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n"); 1019 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1020 xpt_done(ccb); 1021 return; 1022 } 1023 1024 /* 1025 * We only support either target and lun both wildcard 1026 * or target and lun both non-wildcard. 1027 */ 1028 bus = XS_CHANNEL(ccb); 1029 target = ccb->ccb_h.target_id; 1030 lun = ccb->ccb_h.target_lun; 1031 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1032 "enabling lun %jx\n", (uintmax_t)lun); 1033 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1034 ccb->ccb_h.status = CAM_LUN_INVALID; 1035 xpt_done(ccb); 1036 return; 1037 } 1038 1039 /* Create the state pointer. It should not already exist. */ 1040 tptr = get_lun_statep(isp, bus, lun); 1041 if (tptr) { 1042 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1043 xpt_done(ccb); 1044 return; 1045 } 1046 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1047 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1048 xpt_done(ccb); 1049 return; 1050 } 1051 1052 ccb->ccb_h.status = CAM_REQ_CMP; 1053 xpt_done(ccb); 1054} 1055 1056static void 1057isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1058{ 1059 tstate_t *tptr = NULL; 1060 int bus; 1061 target_id_t target; 1062 lun_id_t lun; 1063 1064 bus = XS_CHANNEL(ccb); 1065 target = ccb->ccb_h.target_id; 1066 lun = ccb->ccb_h.target_lun; 1067 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 1068 "disabling lun %jx\n", (uintmax_t)lun); 1069 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 1070 ccb->ccb_h.status = CAM_LUN_INVALID; 1071 xpt_done(ccb); 1072 return; 1073 } 1074 1075 /* Find the state pointer. */ 1076 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1077 ccb->ccb_h.status = CAM_PATH_INVALID; 1078 xpt_done(ccb); 1079 return; 1080 } 1081 1082 destroy_lun_state(isp, bus, tptr); 1083 ccb->ccb_h.status = CAM_REQ_CMP; 1084 xpt_done(ccb); 1085} 1086 1087static void 1088isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1089{ 1090 int fctape, sendstatus, resid; 1091 fcparam *fcp; 1092 atio_private_data_t *atp; 1093 struct ccb_scsiio *cso; 1094 struct isp_ccbq *waitq; 1095 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1096 uint8_t local[QENTRY_LEN]; 1097 1098 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, 1099 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1100 1101 ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq); 1102 switch (how) { 1103 case FROM_CAM: 1104 /* 1105 * Insert at the tail of the list, if any, waiting CTIO CCBs 1106 */ 1107 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 1108 break; 1109 case FROM_TIMER: 1110 case FROM_SRR: 1111 case FROM_CTIO_DONE: 1112 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1113 break; 1114 } 1115 1116 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 1117 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 1118 1119 cso = &ccb->csio; 1120 xfrlen = cso->dxfer_len; 1121 if (xfrlen == 0) { 1122 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1123 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1124 ccb->ccb_h.status = CAM_REQ_INVALID; 1125 xpt_done(ccb); 1126 continue; 1127 } 1128 } 1129 1130 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 1131 if (atp == NULL) { 1132 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1133 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 1134 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1135 xpt_done(ccb); 1136 continue; 1137 } 1138 1139 /* 1140 * Is this command a dead duck? 1141 */ 1142 if (atp->dead) { 1143 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1144 ccb->ccb_h.status = CAM_REQ_ABORTED; 1145 xpt_done(ccb); 1146 continue; 1147 } 1148 1149 /* 1150 * Check to make sure we're still in target mode. 1151 */ 1152 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1153 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1154 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1155 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1156 xpt_done(ccb); 1157 continue; 1158 } 1159 1160 /* 1161 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1162 * could be split into two CTIOs to split data and status). 1163 */ 1164 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1165 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); 1166 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1167 break; 1168 } 1169 1170 /* 1171 * Does the initiator expect FC-Tape style responses? 1172 */ 1173 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1174 fctape = 1; 1175 } else { 1176 fctape = 0; 1177 } 1178 1179 /* 1180 * If we already did the data xfer portion of a CTIO that sends data 1181 * and status, don't do it again and do the status portion now. 1182 */ 1183 if (atp->sendst) { 1184 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1185 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1186 xfrlen = 0; /* we already did the data transfer */ 1187 atp->sendst = 0; 1188 } 1189 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1190 sendstatus = 1; 1191 } else { 1192 sendstatus = 0; 1193 } 1194 1195 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1196 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1197 /* 1198 * Sense length is not the entire sense data structure size. Periph 1199 * drivers don't seem to be setting sense_len to reflect the actual 1200 * size. We'll peek inside to get the right amount. 1201 */ 1202 sense_length = cso->sense_len; 1203 1204 /* 1205 * This 'cannot' happen 1206 */ 1207 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1208 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1209 } 1210 } else { 1211 sense_length = 0; 1212 } 1213 1214 memset(local, 0, QENTRY_LEN); 1215 1216 /* 1217 * Check for overflow 1218 */ 1219 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1220 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1221 isp_prt(isp, ISP_LOGERR, 1222 "%s: [0x%x] data overflow by %u bytes", __func__, 1223 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1224 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1225 xpt_done(ccb); 1226 continue; 1227 } 1228 if (xfrlen > atp->orig_datalen - tmp) { 1229 xfrlen = atp->orig_datalen - tmp; 1230 if (xfrlen == 0 && !sendstatus) { 1231 cso->resid = cso->dxfer_len; 1232 ccb->ccb_h.status = CAM_REQ_CMP; 1233 xpt_done(ccb); 1234 continue; 1235 } 1236 } 1237 1238 if (IS_24XX(isp)) { 1239 ct7_entry_t *cto = (ct7_entry_t *) local; 1240 1241 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1242 cto->ct_header.rqs_entry_count = 1; 1243 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1244 ATPD_SET_SEQNO(cto, atp); 1245 cto->ct_nphdl = atp->nphdl; 1246 cto->ct_rxid = atp->tag; 1247 cto->ct_iid_lo = atp->sid; 1248 cto->ct_iid_hi = atp->sid >> 16; 1249 cto->ct_oxid = atp->oxid; 1250 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1251 cto->ct_timeout = XS_TIME(ccb); 1252 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1253 1254 /* 1255 * Mode 1, status, no data. Only possible when we are sending status, have 1256 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1257 * 1258 * Mode 2, status, no data. We have to use this in the case that 1259 * the sense data won't fit into a ct7_entry_t. 1260 * 1261 */ 1262 if (sendstatus && xfrlen == 0) { 1263 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1264 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1265 if (sense_length <= MAXRESPLEN_24XX) { 1266 cto->ct_flags |= CT7_FLAG_MODE1; 1267 cto->ct_scsi_status = cso->scsi_status; 1268 if (resid < 0) { 1269 cto->ct_resid = -resid; 1270 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1271 } else if (resid > 0) { 1272 cto->ct_resid = resid; 1273 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1274 } 1275 if (fctape) { 1276 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1277 } 1278 if (sense_length) { 1279 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1280 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1281 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1282 } 1283 } else { 1284 bus_addr_t addr; 1285 char buf[XCMD_SIZE]; 1286 fcp_rsp_iu_t *rp; 1287 1288 if (atp->ests == NULL) { 1289 atp->ests = isp_get_ecmd(isp); 1290 if (atp->ests == NULL) { 1291 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1292 break; 1293 } 1294 } 1295 memset(buf, 0, sizeof (buf)); 1296 rp = (fcp_rsp_iu_t *)buf; 1297 if (fctape) { 1298 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1299 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1300 } 1301 cto->ct_flags |= CT7_FLAG_MODE2; 1302 rp->fcp_rsp_scsi_status = cso->scsi_status; 1303 if (resid < 0) { 1304 rp->fcp_rsp_resid = -resid; 1305 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1306 } else if (resid > 0) { 1307 rp->fcp_rsp_resid = resid; 1308 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1309 } 1310 if (sense_length) { 1311 rp->fcp_rsp_snslen = sense_length; 1312 cto->ct_senselen = sense_length; 1313 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1314 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1315 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1316 } else { 1317 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1318 } 1319 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1320 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1321 } 1322 addr = isp->isp_osinfo.ecmd_dma; 1323 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1324 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, 1325 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1326 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1327 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1328 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1329 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1330 } 1331 if (sense_length) { 1332 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__, 1333 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, 1334 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1335 } else { 1336 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1337 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1338 } 1339 atp->state = ATPD_STATE_LAST_CTIO; 1340 } 1341 1342 /* 1343 * Mode 0 data transfers, *possibly* with status. 1344 */ 1345 if (xfrlen != 0) { 1346 cto->ct_flags |= CT7_FLAG_MODE0; 1347 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1348 cto->ct_flags |= CT7_DATA_IN; 1349 } else { 1350 cto->ct_flags |= CT7_DATA_OUT; 1351 } 1352 1353 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1354 cto->rsp.m0.ct_xfrlen = xfrlen; 1355 1356#ifdef DEBUG 1357 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1358 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1359 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1360 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1361 } 1362#endif 1363 if (sendstatus) { 1364 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1365 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1366 cto->ct_flags |= CT7_SENDSTATUS; 1367 atp->state = ATPD_STATE_LAST_CTIO; 1368 if (fctape) { 1369 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1370 } 1371 } else { 1372 atp->sendst = 1; /* send status later */ 1373 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1374 atp->state = ATPD_STATE_CTIO; 1375 } 1376 } else { 1377 atp->state = ATPD_STATE_CTIO; 1378 } 1379 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__, 1380 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1381 } 1382 } else { 1383 ct2_entry_t *cto = (ct2_entry_t *) local; 1384 1385 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1386 cto->ct_header.rqs_entry_count = 1; 1387 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1388 ATPD_SET_SEQNO(cto, atp); 1389 if (ISP_CAP_2KLOGIN(isp)) { 1390 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl; 1391 } else { 1392 cto->ct_iid = atp->nphdl; 1393 if (ISP_CAP_SCCFW(isp) == 0) { 1394 cto->ct_lun = ccb->ccb_h.target_lun; 1395 } 1396 } 1397 cto->ct_timeout = XS_TIME(ccb); 1398 cto->ct_rxid = cso->tag_id; 1399 1400 /* 1401 * Mode 1, status, no data. Only possible when we are sending status, have 1402 * no data to transfer, and the sense length can fit in the ct7_entry. 1403 * 1404 * Mode 2, status, no data. We have to use this in the case the response 1405 * length won't fit into a ct2_entry_t. 1406 * 1407 * We'll fill out this structure with information as if this were a 1408 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1409 * needed based upon this. 1410 */ 1411 if (sendstatus && xfrlen == 0) { 1412 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1413 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1414 if (sense_length <= MAXRESPLEN) { 1415 if (resid < 0) { 1416 cto->ct_resid = -resid; 1417 } else if (resid > 0) { 1418 cto->ct_resid = resid; 1419 } 1420 cto->ct_flags |= CT2_FLAG_MODE1; 1421 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1422 if (resid < 0) { 1423 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1424 } else if (resid > 0) { 1425 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1426 } 1427 if (fctape) { 1428 cto->ct_flags |= CT2_CONFIRM; 1429 } 1430 if (sense_length) { 1431 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1432 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1433 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1434 } 1435 } else { 1436 bus_addr_t addr; 1437 char buf[XCMD_SIZE]; 1438 fcp_rsp_iu_t *rp; 1439 1440 if (atp->ests == NULL) { 1441 atp->ests = isp_get_ecmd(isp); 1442 if (atp->ests == NULL) { 1443 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1444 break; 1445 } 1446 } 1447 memset(buf, 0, sizeof (buf)); 1448 rp = (fcp_rsp_iu_t *)buf; 1449 if (fctape) { 1450 cto->ct_flags |= CT2_CONFIRM; 1451 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1452 } 1453 cto->ct_flags |= CT2_FLAG_MODE2; 1454 rp->fcp_rsp_scsi_status = cso->scsi_status; 1455 if (resid < 0) { 1456 rp->fcp_rsp_resid = -resid; 1457 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1458 } else if (resid > 0) { 1459 rp->fcp_rsp_resid = resid; 1460 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1461 } 1462 if (sense_length) { 1463 rp->fcp_rsp_snslen = sense_length; 1464 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1465 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1466 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1467 } else { 1468 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1469 } 1470 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1471 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1472 } 1473 addr = isp->isp_osinfo.ecmd_dma; 1474 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1475 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, 1476 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1477 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1478 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 1479 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1480 } 1481 if (sense_length) { 1482 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__, 1483 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, 1484 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1485 } else { 1486 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, 1487 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid); 1488 } 1489 atp->state = ATPD_STATE_LAST_CTIO; 1490 } 1491 1492 if (xfrlen != 0) { 1493 cto->ct_flags |= CT2_FLAG_MODE0; 1494 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1495 cto->ct_flags |= CT2_DATA_IN; 1496 } else { 1497 cto->ct_flags |= CT2_DATA_OUT; 1498 } 1499 1500 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit; 1501 cto->rsp.m0.ct_xfrlen = xfrlen; 1502 1503 if (sendstatus) { 1504 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1505 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) { 1506 cto->ct_flags |= CT2_SENDSTATUS; 1507 atp->state = ATPD_STATE_LAST_CTIO; 1508 if (fctape) { 1509 cto->ct_flags |= CT2_CONFIRM; 1510 } 1511 } else { 1512 atp->sendst = 1; /* send status later */ 1513 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1514 atp->state = ATPD_STATE_CTIO; 1515 } 1516 } else { 1517 atp->state = ATPD_STATE_CTIO; 1518 } 1519 } 1520 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, 1521 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); 1522 } 1523 1524 if (isp_get_pcmd(isp, ccb)) { 1525 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1526 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1527 break; 1528 } 1529 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1530 if (handle == 0) { 1531 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1532 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1533 isp_free_pcmd(isp, ccb); 1534 break; 1535 } 1536 atp->bytes_in_transit += xfrlen; 1537 PISP_PCMD(ccb)->datalen = xfrlen; 1538 1539 1540 /* 1541 * Call the dma setup routines for this entry (and any subsequent 1542 * CTIOs) if there's data to move, and then tell the f/w it's got 1543 * new things to play with. As with isp_start's usage of DMA setup, 1544 * any swizzling is done in the machine dependent layer. Because 1545 * of this, we put the request onto the queue area first in native 1546 * format. 1547 */ 1548 1549 if (IS_24XX(isp)) { 1550 ct7_entry_t *cto = (ct7_entry_t *) local; 1551 cto->ct_syshandle = handle; 1552 } else { 1553 ct2_entry_t *cto = (ct2_entry_t *) local; 1554 cto->ct_syshandle = handle; 1555 } 1556 1557 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local); 1558 if (dmaresult != CMD_QUEUED) { 1559 isp_destroy_handle(isp, handle); 1560 isp_free_pcmd(isp, ccb); 1561 if (dmaresult == CMD_EAGAIN) { 1562 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1563 break; 1564 } 1565 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1566 xpt_done(ccb); 1567 continue; 1568 } 1569 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1570 if (xfrlen) { 1571 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1572 } else { 1573 ccb->ccb_h.spriv_field0 = ~0; 1574 } 1575 atp->ctcnt++; 1576 atp->seqno++; 1577 } 1578} 1579 1580static void 1581isp_refire_putback_atio(void *arg) 1582{ 1583 union ccb *ccb = arg; 1584 1585 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb)); 1586 isp_target_putback_atio(ccb); 1587} 1588 1589static void 1590isp_refire_notify_ack(void *arg) 1591{ 1592 isp_tna_t *tp = arg; 1593 ispsoftc_t *isp = tp->isp; 1594 1595 ISP_ASSERT_LOCKED(isp); 1596 if (isp_notify_ack(isp, tp->not)) { 1597 callout_schedule(&tp->timer, 5); 1598 } else { 1599 free(tp, M_DEVBUF); 1600 } 1601} 1602 1603 1604static void 1605isp_target_putback_atio(union ccb *ccb) 1606{ 1607 ispsoftc_t *isp = XS_ISP(ccb); 1608 struct ccb_scsiio *cso = &ccb->csio; 1609 at2_entry_t local, *at = &local; 1610 1611 ISP_MEMZERO(at, sizeof (at2_entry_t)); 1612 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 1613 at->at_header.rqs_entry_count = 1; 1614 if (ISP_CAP_SCCFW(isp)) { 1615 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 1616 } else { 1617 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 1618 } 1619 at->at_status = CT_OK; 1620 at->at_rxid = cso->tag_id; 1621 at->at_iid = cso->init_id; 1622 if (isp_target_put_entry(isp, at)) { 1623 callout_reset(&PISP_PCMD(ccb)->wdog, 10, 1624 isp_refire_putback_atio, ccb); 1625 } else 1626 isp_complete_ctio(ccb); 1627} 1628 1629static void 1630isp_complete_ctio(union ccb *ccb) 1631{ 1632 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1633 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1634 xpt_done(ccb); 1635 } 1636} 1637 1638static void 1639isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep) 1640{ 1641 fcparam *fcp; 1642 lun_id_t lun; 1643 fcportdb_t *lp; 1644 tstate_t *tptr; 1645 struct ccb_accept_tio *atiop; 1646 uint16_t nphdl; 1647 atio_private_data_t *atp; 1648 inot_private_data_t *ntp; 1649 1650 /* 1651 * The firmware status (except for the QLTM_SVALID bit) 1652 * indicates why this ATIO was sent to us. 1653 * 1654 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 1655 */ 1656 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 1657 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status); 1658 isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0); 1659 return; 1660 } 1661 1662 fcp = FCPARAM(isp, 0); 1663 if (ISP_CAP_SCCFW(isp)) { 1664 lun = aep->at_scclun; 1665 } else { 1666 lun = aep->at_lun; 1667 } 1668 if (ISP_CAP_2KLOGIN(isp)) { 1669 nphdl = ((at2e_entry_t *)aep)->at_iid; 1670 } else { 1671 nphdl = aep->at_iid; 1672 } 1673 tptr = get_lun_statep(isp, 0, lun); 1674 if (tptr == NULL) { 1675 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 1676 if (tptr == NULL) { 1677 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun); 1678 if (lun == 0) { 1679 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1680 } else { 1681 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1682 } 1683 return; 1684 } 1685 } 1686 1687 /* 1688 * Start any commands pending resources first. 1689 */ 1690 if (isp_atio_restart(isp, 0, tptr)) 1691 goto noresrc; 1692 1693 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1694 if (atiop == NULL) { 1695 goto noresrc; 1696 } 1697 1698 atp = isp_get_atpd(isp, 0, aep->at_rxid); 1699 if (atp == NULL) { 1700 goto noresrc; 1701 } 1702 1703 atp->state = ATPD_STATE_ATIO; 1704 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1705 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1706 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1707 atiop->ccb_h.target_lun = lun; 1708 1709 /* 1710 * We don't get 'suggested' sense data as we do with SCSI cards. 1711 */ 1712 atiop->sense_len = 0; 1713 1714 /* 1715 * If we're not in the port database, add ourselves. 1716 */ 1717 if (IS_2100(isp)) 1718 atiop->init_id = nphdl; 1719 else { 1720 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) { 1721 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp); 1722 } else { 1723 isp_prt(isp, ISP_LOGTINFO, "%s: port %x isn't in PDB", 1724 __func__, nphdl); 1725 isp_dump_portdb(isp, 0); 1726 isp_endcmd(isp, aep, NIL_HANDLE, 0, ECMD_TERMINATE, 0); 1727 return; 1728 } 1729 } 1730 atiop->cdb_len = ATIO2_CDBLEN; 1731 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 1732 atiop->ccb_h.status = CAM_CDB_RECVD; 1733 atiop->tag_id = atp->tag; 1734 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 1735 case ATIO2_TC_ATTR_SIMPLEQ: 1736 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1737 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1738 break; 1739 case ATIO2_TC_ATTR_HEADOFQ: 1740 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1741 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1742 break; 1743 case ATIO2_TC_ATTR_ORDERED: 1744 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1745 atiop->tag_action = MSG_ORDERED_Q_TAG; 1746 break; 1747 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 1748 case ATIO2_TC_ATTR_UNTAGGED: 1749 default: 1750 atiop->tag_action = 0; 1751 break; 1752 } 1753 1754 atp->orig_datalen = aep->at_datalen; 1755 atp->bytes_xfered = 0; 1756 atp->lun = lun; 1757 atp->nphdl = nphdl; 1758 atp->sid = PORT_ANY; 1759 atp->oxid = aep->at_oxid; 1760 atp->cdb0 = aep->at_cdb[0]; 1761 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 1762 atp->state = ATPD_STATE_CAM; 1763 xpt_done((union ccb *)atiop); 1764 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); 1765 return; 1766noresrc: 1767 ntp = isp_get_ntpd(isp, 0); 1768 if (ntp == NULL) { 1769 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 1770 return; 1771 } 1772 memcpy(ntp->data, aep, QENTRY_LEN); 1773 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1774} 1775 1776static void 1777isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1778{ 1779 int cdbxlen; 1780 lun_id_t lun; 1781 uint16_t chan, nphdl = NIL_HANDLE; 1782 uint32_t did, sid; 1783 fcportdb_t *lp; 1784 tstate_t *tptr; 1785 struct ccb_accept_tio *atiop; 1786 atio_private_data_t *atp = NULL; 1787 atio_private_data_t *oatp; 1788 inot_private_data_t *ntp; 1789 1790 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1791 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1792 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1793 1794 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1795 /* Channel has to be derived from D_ID */ 1796 isp_find_chan_by_did(isp, did, &chan); 1797 if (chan == ISP_NOCHAN) { 1798 isp_prt(isp, ISP_LOGWARN, 1799 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1800 __func__, aep->at_rxid, did); 1801 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1802 ECMD_TERMINATE, 0); 1803 return; 1804 } 1805 } else { 1806 chan = 0; 1807 } 1808 1809 /* 1810 * Find the PDB entry for this initiator 1811 */ 1812 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1813 /* 1814 * If we're not in the port database terminate the exchange. 1815 */ 1816 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", 1817 __func__, aep->at_rxid, did, chan, sid); 1818 isp_dump_portdb(isp, chan); 1819 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1820 return; 1821 } 1822 nphdl = lp->handle; 1823 1824 /* 1825 * Get the tstate pointer 1826 */ 1827 tptr = get_lun_statep(isp, chan, lun); 1828 if (tptr == NULL) { 1829 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1830 if (tptr == NULL) { 1831 isp_prt(isp, ISP_LOGWARN, 1832 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1833 __func__, aep->at_rxid, (uintmax_t)lun); 1834 if (lun == 0) { 1835 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1836 } else { 1837 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1838 } 1839 return; 1840 } 1841 } 1842 1843 /* 1844 * Start any commands pending resources first. 1845 */ 1846 if (isp_atio_restart(isp, chan, tptr)) 1847 goto noresrc; 1848 1849 /* 1850 * If the f/w is out of resources, just send a BUSY status back. 1851 */ 1852 if (aep->at_rxid == AT7_NORESRC_RXID) { 1853 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1854 return; 1855 } 1856 1857 /* 1858 * If we're out of resources, just send a BUSY status back. 1859 */ 1860 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1861 if (atiop == NULL) { 1862 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1863 goto noresrc; 1864 } 1865 1866 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1867 if (oatp) { 1868 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", 1869 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1870 /* 1871 * It's not a "no resource" condition- but we can treat it like one 1872 */ 1873 goto noresrc; 1874 } 1875 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1876 if (atp == NULL) { 1877 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1878 goto noresrc; 1879 } 1880 atp->word3 = lp->prli_word3; 1881 atp->state = ATPD_STATE_ATIO; 1882 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1883 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1884 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1885 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1886 atiop->ccb_h.target_lun = lun; 1887 atiop->sense_len = 0; 1888 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1889 if (cdbxlen) { 1890 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1891 } 1892 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1893 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1894 atiop->cdb_len = cdbxlen; 1895 atiop->ccb_h.status = CAM_CDB_RECVD; 1896 atiop->tag_id = atp->tag; 1897 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1898 case FCP_CMND_TASK_ATTR_SIMPLE: 1899 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1900 atiop->tag_action = MSG_SIMPLE_Q_TAG; 1901 break; 1902 case FCP_CMND_TASK_ATTR_HEAD: 1903 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1904 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 1905 break; 1906 case FCP_CMND_TASK_ATTR_ORDERED: 1907 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1908 atiop->tag_action = MSG_ORDERED_Q_TAG; 1909 break; 1910 default: 1911 /* FALLTHROUGH */ 1912 case FCP_CMND_TASK_ATTR_ACA: 1913 case FCP_CMND_TASK_ATTR_UNTAGGED: 1914 atiop->tag_action = 0; 1915 break; 1916 } 1917 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1918 atp->bytes_xfered = 0; 1919 atp->lun = lun; 1920 atp->nphdl = nphdl; 1921 atp->sid = sid; 1922 atp->did = did; 1923 atp->oxid = aep->at_hdr.ox_id; 1924 atp->rxid = aep->at_hdr.rx_id; 1925 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1926 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1927 atp->state = ATPD_STATE_CAM; 1928 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1929 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1930 xpt_done((union ccb *)atiop); 1931 return; 1932noresrc: 1933 if (atp) 1934 isp_put_atpd(isp, chan, atp); 1935 ntp = isp_get_ntpd(isp, chan); 1936 if (ntp == NULL) { 1937 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1938 return; 1939 } 1940 memcpy(ntp->data, aep, QENTRY_LEN); 1941 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1942} 1943 1944 1945/* 1946 * Handle starting an SRR (sequence retransmit request) 1947 * We get here when we've gotten the immediate notify 1948 * and the return of all outstanding CTIOs for this 1949 * transaction. 1950 */ 1951static void 1952isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1953{ 1954 in_fcentry_24xx_t *inot; 1955 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1956 union ccb *ccb; 1957 1958 inot = (in_fcentry_24xx_t *)atp->srr; 1959 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1960 ccb = atp->srr_ccb; 1961 atp->srr_ccb = NULL; 1962 atp->nsrr++; 1963 if (ccb == NULL) { 1964 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1965 goto fail; 1966 } 1967 1968 ccb_off = ccb->ccb_h.spriv_field0; 1969 ccb_len = ccb->csio.dxfer_len; 1970 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1971 1972 switch (inot->in_srr_iu) { 1973 case R_CTL_INFO_SOLICITED_DATA: 1974 /* 1975 * We have to restart a FCP_DATA data out transaction 1976 */ 1977 atp->sendst = 0; 1978 atp->bytes_xfered = srr_off; 1979 if (ccb_len == 0) { 1980 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 1981 goto mdp; 1982 } 1983 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 1984 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); 1985 goto mdp; 1986 } 1987 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); 1988 break; 1989 case R_CTL_INFO_COMMAND_STATUS: 1990 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 1991 atp->sendst = 1; 1992 /* 1993 * We have to restart a FCP_RSP IU transaction 1994 */ 1995 break; 1996 case R_CTL_INFO_DATA_DESCRIPTOR: 1997 /* 1998 * We have to restart an FCP DATA in transaction 1999 */ 2000 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 2001 goto fail; 2002 2003 default: 2004 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 2005 goto fail; 2006 } 2007 2008 /* 2009 * We can't do anything until this is acked, so we might as well start it now. 2010 * We aren't going to do the usual asynchronous ack issue because we need 2011 * to make sure this gets on the wire first. 2012 */ 2013 if (isp_notify_ack(isp, inot)) { 2014 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2015 goto fail; 2016 } 2017 isp_target_start_ctio(isp, ccb, FROM_SRR); 2018 return; 2019fail: 2020 inot->in_reserved = 1; 2021 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2022 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2023 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2024 isp_complete_ctio(ccb); 2025 return; 2026mdp: 2027 if (isp_notify_ack(isp, inot)) { 2028 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2029 goto fail; 2030 } 2031 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2032 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2033 /* 2034 * This is not a strict interpretation of MDP, but it's close 2035 */ 2036 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2037 ccb->csio.msg_len = 7; 2038 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2039 ccb->csio.msg_ptr[1] = 5; 2040 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2041 ccb->csio.msg_ptr[3] = srr_off >> 24; 2042 ccb->csio.msg_ptr[4] = srr_off >> 16; 2043 ccb->csio.msg_ptr[5] = srr_off >> 8; 2044 ccb->csio.msg_ptr[6] = srr_off; 2045 isp_complete_ctio(ccb); 2046} 2047 2048 2049static void 2050isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 2051{ 2052 in_fcentry_24xx_t *inot = notify->nt_lreserved; 2053 atio_private_data_t *atp; 2054 uint32_t tag = notify->nt_tagval & 0xffffffff; 2055 2056 atp = isp_find_atpd(isp, notify->nt_channel, tag); 2057 if (atp == NULL) { 2058 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 2059 __func__, tag); 2060 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2061 return; 2062 } 2063 atp->srr_notify_rcvd = 1; 2064 memcpy(atp->srr, inot, sizeof (atp->srr)); 2065 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 2066 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 2067 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 2068 if (atp->srr_ccb) 2069 isp_handle_srr_start(isp, atp); 2070} 2071 2072static void 2073isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2074{ 2075 union ccb *ccb; 2076 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 2077 atio_private_data_t *atp = NULL; 2078 int bus; 2079 uint32_t handle, data_requested, resid; 2080 2081 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2082 ccb = isp_find_xs(isp, handle); 2083 if (ccb == NULL) { 2084 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2085 return; 2086 } 2087 isp_destroy_handle(isp, handle); 2088 resid = data_requested = PISP_PCMD(ccb)->datalen; 2089 isp_free_pcmd(isp, ccb); 2090 2091 bus = XS_CHANNEL(ccb); 2092 if (IS_24XX(isp)) { 2093 atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid); 2094 } else { 2095 atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid); 2096 } 2097 if (atp == NULL) { 2098 /* 2099 * XXX: isp_clear_commands() generates fake CTIO with zero 2100 * ct_rxid value, filling only ct_syshandle. Workaround 2101 * that using tag_id from the CCB, pointed by ct_syshandle. 2102 */ 2103 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 2104 } 2105 if (atp == NULL) { 2106 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2107 return; 2108 } 2109 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2110 atp->bytes_in_transit -= data_requested; 2111 atp->ctcnt -= 1; 2112 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2113 2114 if (IS_24XX(isp)) { 2115 ct7_entry_t *ct = arg; 2116 2117 if (ct->ct_nphdl == CT7_SRR) { 2118 atp->srr_ccb = ccb; 2119 if (atp->srr_notify_rcvd) 2120 isp_handle_srr_start(isp, atp); 2121 return; 2122 } 2123 if (ct->ct_nphdl == CT_HBA_RESET) { 2124 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2125 (atp->sendst == 0); 2126 failure = CAM_UNREC_HBA_ERROR; 2127 } else { 2128 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 2129 ok = (ct->ct_nphdl == CT7_OK); 2130 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2131 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 2132 resid = ct->ct_resid; 2133 } 2134 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), 2135 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2136 } else { 2137 ct2_entry_t *ct = arg; 2138 if (ct->ct_status == CT_SRR) { 2139 atp->srr_ccb = ccb; 2140 if (atp->srr_notify_rcvd) 2141 isp_handle_srr_start(isp, atp); 2142 isp_target_putback_atio(ccb); 2143 return; 2144 } 2145 if (ct->ct_status == CT_HBA_RESET) { 2146 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 2147 (atp->sendst == 0); 2148 failure = CAM_UNREC_HBA_ERROR; 2149 } else { 2150 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 2151 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 2152 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2153 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) 2154 resid = ct->ct_resid; 2155 } 2156 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), 2157 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2158 } 2159 if (ok) { 2160 if (data_requested > 0) { 2161 atp->bytes_xfered += data_requested - resid; 2162 ccb->csio.resid = ccb->csio.dxfer_len - 2163 (data_requested - resid); 2164 } 2165 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 2166 ccb->ccb_h.status |= CAM_SENT_SENSE; 2167 ccb->ccb_h.status |= CAM_REQ_CMP; 2168 } else { 2169 notify_cam = 1; 2170 if (failure == CAM_UNREC_HBA_ERROR) 2171 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 2172 else 2173 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2174 } 2175 atp->state = ATPD_STATE_PDON; 2176 2177 /* 2178 * We never *not* notify CAM when there has been any error (ok == 0), 2179 * so we never need to do an ATIO putback if we're not notifying CAM. 2180 */ 2181 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 2182 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 2183 if (notify_cam == 0) { 2184 if (atp->sendst) { 2185 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 2186 } 2187 return; 2188 } 2189 2190 /* 2191 * We are done with this ATIO if we successfully sent status. 2192 * In all other cases expect either another CTIO or XPT_ABORT. 2193 */ 2194 if (ok && sentstatus) 2195 isp_put_atpd(isp, bus, atp); 2196 2197 /* 2198 * We're telling CAM we're done with this CTIO transaction. 2199 * 2200 * 24XX cards never need an ATIO put back. 2201 * 2202 * Other cards need one put back only on error. 2203 * In the latter case, a timeout will re-fire 2204 * and try again in case we didn't have 2205 * queue resources to do so at first. In any case, 2206 * once the putback is done we do the completion 2207 * call. 2208 */ 2209 if (ok || IS_24XX(isp)) { 2210 isp_complete_ctio(ccb); 2211 } else { 2212 isp_target_putback_atio(ccb); 2213 } 2214} 2215 2216static int 2217isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 2218{ 2219 2220 if (isp->isp_state != ISP_RUNSTATE) { 2221 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 2222 return (0); 2223 } 2224 2225 /* 2226 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 2227 */ 2228 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 2229 ct7_entry_t local, *cto = &local; 2230 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 2231 fcportdb_t *lp; 2232 uint32_t sid; 2233 uint16_t nphdl; 2234 2235 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2236 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 2237 nphdl = lp->handle; 2238 } else { 2239 nphdl = NIL_HANDLE; 2240 } 2241 ISP_MEMZERO(&local, sizeof (local)); 2242 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2243 cto->ct_header.rqs_entry_count = 1; 2244 cto->ct_nphdl = nphdl; 2245 cto->ct_rxid = aep->at_rxid; 2246 cto->ct_vpidx = mp->nt_channel; 2247 cto->ct_iid_lo = sid; 2248 cto->ct_iid_hi = sid >> 16; 2249 cto->ct_oxid = aep->at_hdr.ox_id; 2250 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 2251 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 2252 if (rsp != 0) { 2253 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 2254 cto->rsp.m1.ct_resplen = 4; 2255 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 2256 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 2257 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 2258 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 2259 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 2260 } 2261 return (isp_target_put_entry(isp, &local)); 2262 } 2263 2264 /* 2265 * This case is for a responding to an ABTS frame 2266 */ 2267 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2268 2269 /* 2270 * Overload nt_need_ack here to mark whether we've terminated the associated command. 2271 */ 2272 if (mp->nt_need_ack) { 2273 uint8_t storage[QENTRY_LEN]; 2274 ct7_entry_t *cto = (ct7_entry_t *) storage; 2275 abts_t *abts = (abts_t *)mp->nt_lreserved; 2276 2277 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2278 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 2279 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2280 cto->ct_header.rqs_entry_count = 1; 2281 cto->ct_nphdl = mp->nt_nphdl; 2282 cto->ct_rxid = abts->abts_rxid_task; 2283 cto->ct_iid_lo = mp->nt_sid; 2284 cto->ct_iid_hi = mp->nt_sid >> 16; 2285 cto->ct_oxid = abts->abts_ox_id; 2286 cto->ct_vpidx = mp->nt_channel; 2287 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2288 if (isp_target_put_entry(isp, cto)) { 2289 return (ENOMEM); 2290 } 2291 mp->nt_need_ack = 0; 2292 } 2293 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 2294 return (ENOMEM); 2295 } else { 2296 return (0); 2297 } 2298 } 2299 2300 /* 2301 * Handle logout cases here 2302 */ 2303 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 2304 isp_del_all_wwn_entries(isp, mp->nt_channel); 2305 } 2306 2307 if (mp->nt_ncode == NT_LOGOUT) { 2308 if (!IS_2100(isp) && IS_FC(isp)) { 2309 isp_del_wwn_entries(isp, mp); 2310 } 2311 } 2312 2313 /* 2314 * General purpose acknowledgement 2315 */ 2316 if (mp->nt_need_ack) { 2317 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 2318 /* 2319 * Don't need to use the guaranteed send because the caller can retry 2320 */ 2321 return (isp_notify_ack(isp, mp->nt_lreserved)); 2322 } 2323 return (0); 2324} 2325 2326/* 2327 * Handle task management functions. 2328 * 2329 * We show up here with a notify structure filled out. 2330 * 2331 * The nt_lreserved tag points to the original queue entry 2332 */ 2333static void 2334isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 2335{ 2336 tstate_t *tptr; 2337 fcportdb_t *lp; 2338 struct ccb_immediate_notify *inot; 2339 inot_private_data_t *ntp = NULL; 2340 atio_private_data_t *atp; 2341 lun_id_t lun; 2342 2343 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode, 2344 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 2345 if (notify->nt_lun == LUN_ANY) { 2346 if (notify->nt_tagval == TAG_ANY) { 2347 lun = CAM_LUN_WILDCARD; 2348 } else { 2349 atp = isp_find_atpd(isp, notify->nt_channel, 2350 notify->nt_tagval & 0xffffffff); 2351 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 2352 } 2353 } else { 2354 lun = notify->nt_lun; 2355 } 2356 tptr = get_lun_statep(isp, notify->nt_channel, lun); 2357 if (tptr == NULL) { 2358 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 2359 if (tptr == NULL) { 2360 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 2361 goto bad; 2362 } 2363 } 2364 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 2365 if (inot == NULL) { 2366 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 2367 goto bad; 2368 } 2369 2370 inot->ccb_h.target_id = ISP_MAX_TARGETS(isp); 2371 inot->ccb_h.target_lun = lun; 2372 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 2373 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 2374 inot->initiator_id = CAM_TARGET_WILDCARD; 2375 } else { 2376 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 2377 } 2378 inot->seq_id = notify->nt_tagval; 2379 inot->tag_id = notify->nt_tagval >> 32; 2380 2381 switch (notify->nt_ncode) { 2382 case NT_ABORT_TASK: 2383 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 2384 inot->arg = MSG_ABORT_TASK; 2385 break; 2386 case NT_ABORT_TASK_SET: 2387 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 2388 inot->arg = MSG_ABORT_TASK_SET; 2389 break; 2390 case NT_CLEAR_ACA: 2391 inot->arg = MSG_CLEAR_ACA; 2392 break; 2393 case NT_CLEAR_TASK_SET: 2394 inot->arg = MSG_CLEAR_TASK_SET; 2395 break; 2396 case NT_LUN_RESET: 2397 inot->arg = MSG_LOGICAL_UNIT_RESET; 2398 break; 2399 case NT_TARGET_RESET: 2400 inot->arg = MSG_TARGET_RESET; 2401 break; 2402 case NT_QUERY_TASK_SET: 2403 inot->arg = MSG_QUERY_TASK_SET; 2404 break; 2405 case NT_QUERY_ASYNC_EVENT: 2406 inot->arg = MSG_QUERY_ASYNC_EVENT; 2407 break; 2408 default: 2409 isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun %#jx", __func__, notify->nt_ncode, notify->nt_channel, (uintmax_t)lun); 2410 goto bad; 2411 } 2412 2413 ntp = isp_get_ntpd(isp, notify->nt_channel); 2414 if (ntp == NULL) { 2415 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 2416 goto bad; 2417 } 2418 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 2419 if (notify->nt_lreserved) { 2420 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 2421 ntp->nt.nt_lreserved = &ntp->data; 2422 } 2423 ntp->seq_id = notify->nt_tagval; 2424 ntp->tag_id = notify->nt_tagval >> 32; 2425 2426 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 2427 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 2428 inot->ccb_h.status = CAM_MESSAGE_RECV; 2429 xpt_done((union ccb *)inot); 2430 return; 2431bad: 2432 if (notify->nt_need_ack) { 2433 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 2434 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 2435 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 2436 } 2437 } else { 2438 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 2439 } 2440 } 2441} 2442 2443static void 2444isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 2445{ 2446 atio_private_data_t *atp, *atpool; 2447 inot_private_data_t *ntp, *tmp; 2448 uint32_t this_tag_id; 2449 2450 /* 2451 * First, clean any commands pending restart 2452 */ 2453 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 2454 if (IS_24XX(isp)) 2455 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 2456 else 2457 this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid; 2458 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 2459 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 2460 ECMD_TERMINATE, 0); 2461 isp_put_ntpd(isp, chan, ntp); 2462 STAILQ_REMOVE(&tptr->restart_queue, ntp, 2463 inot_private_data, next); 2464 } 2465 } 2466 2467 /* 2468 * Now mark other ones dead as well. 2469 */ 2470 ISP_GET_PC(isp, chan, atpool, atpool); 2471 for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) { 2472 if (atp->lun != tptr->ts_lun) 2473 continue; 2474 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 2475 atp->dead = 1; 2476 } 2477} 2478#endif 2479 2480static void 2481isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 2482{ 2483 struct cam_sim *sim; 2484 int bus, tgt; 2485 ispsoftc_t *isp; 2486 2487 sim = (struct cam_sim *)cbarg; 2488 isp = (ispsoftc_t *) cam_sim_softc(sim); 2489 bus = cam_sim_bus(sim); 2490 tgt = xpt_path_target_id(path); 2491 2492 switch (code) { 2493 case AC_LOST_DEVICE: 2494 if (IS_SCSI(isp)) { 2495 uint16_t oflags, nflags; 2496 sdparam *sdp = SDPARAM(isp, bus); 2497 2498 if (tgt >= 0) { 2499 nflags = sdp->isp_devparam[tgt].nvrm_flags; 2500 nflags &= DPARM_SAFE_DFLT; 2501 if (isp->isp_loaded_fw) { 2502 nflags |= DPARM_NARROW | DPARM_ASYNC; 2503 } 2504 oflags = sdp->isp_devparam[tgt].goal_flags; 2505 sdp->isp_devparam[tgt].goal_flags = nflags; 2506 sdp->isp_devparam[tgt].dev_update = 1; 2507 sdp->update = 1; 2508 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 2509 sdp->isp_devparam[tgt].goal_flags = oflags; 2510 } 2511 } 2512 break; 2513 default: 2514 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 2515 break; 2516 } 2517} 2518 2519static void 2520isp_poll(struct cam_sim *sim) 2521{ 2522 ispsoftc_t *isp = cam_sim_softc(sim); 2523 2524 ISP_RUN_ISR(isp); 2525} 2526 2527 2528static void 2529isp_watchdog(void *arg) 2530{ 2531 struct ccb_scsiio *xs = arg; 2532 ispsoftc_t *isp; 2533 uint32_t ohandle = ISP_HANDLE_FREE, handle; 2534 2535 isp = XS_ISP(xs); 2536 2537 handle = isp_find_handle(isp, xs); 2538 2539 /* 2540 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 2541 */ 2542 if (handle != ISP_HANDLE_FREE) { 2543 ISP_RUN_ISR(isp); 2544 ohandle = handle; 2545 handle = isp_find_handle(isp, xs); 2546 } 2547 if (handle != ISP_HANDLE_FREE) { 2548 /* 2549 * Try and make sure the command is really dead before 2550 * we release the handle (and DMA resources) for reuse. 2551 * 2552 * If we are successful in aborting the command then 2553 * we're done here because we'll get the command returned 2554 * back separately. 2555 */ 2556 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2557 return; 2558 } 2559 2560 /* 2561 * Note that after calling the above, the command may in 2562 * fact have been completed. 2563 */ 2564 xs = isp_find_xs(isp, handle); 2565 2566 /* 2567 * If the command no longer exists, then we won't 2568 * be able to find the xs again with this handle. 2569 */ 2570 if (xs == NULL) { 2571 return; 2572 } 2573 2574 /* 2575 * After this point, the command is really dead. 2576 */ 2577 if (XS_XFRLEN(xs)) { 2578 ISP_DMAFREE(isp, xs, handle); 2579 } 2580 isp_destroy_handle(isp, handle); 2581 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 2582 XS_SETERR(xs, CAM_CMD_TIMEOUT); 2583 isp_done(xs); 2584 } else { 2585 if (ohandle != ISP_HANDLE_FREE) { 2586 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 2587 } else { 2588 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 2589 } 2590 } 2591} 2592 2593static void 2594isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2595{ 2596 union ccb *ccb; 2597 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2598 2599 /* 2600 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2601 */ 2602 ccb = xpt_alloc_ccb_nowait(); 2603 if (ccb == NULL) { 2604 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2605 return; 2606 } 2607 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2608 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2609 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2610 xpt_free_ccb(ccb); 2611 return; 2612 } 2613 xpt_rescan(ccb); 2614} 2615 2616static void 2617isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2618{ 2619 struct cam_path *tp; 2620 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2621 2622 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2623 xpt_async(AC_LOST_DEVICE, tp, NULL); 2624 xpt_free_path(tp); 2625 } 2626} 2627 2628/* 2629 * Gone Device Timer Function- when we have decided that a device has gone 2630 * away, we wait a specific period of time prior to telling the OS it has 2631 * gone away. 2632 * 2633 * This timer function fires once a second and then scans the port database 2634 * for devices that are marked dead but still have a virtual target assigned. 2635 * We decrement a counter for that port database entry, and when it hits zero, 2636 * we tell the OS the device has gone away. 2637 */ 2638static void 2639isp_gdt(void *arg) 2640{ 2641 struct isp_fc *fc = arg; 2642 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2643} 2644 2645static void 2646isp_gdt_task(void *arg, int pending) 2647{ 2648 struct isp_fc *fc = arg; 2649 ispsoftc_t *isp = fc->isp; 2650 int chan = fc - isp->isp_osinfo.pc.fc; 2651 fcportdb_t *lp; 2652 struct ac_contract ac; 2653 struct ac_device_changed *adc; 2654 int dbidx, more_to_do = 0; 2655 2656 ISP_LOCK(isp); 2657 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2658 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2659 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2660 2661 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2662 continue; 2663 } 2664 if (lp->gone_timer != 0) { 2665 lp->gone_timer -= 1; 2666 more_to_do++; 2667 continue; 2668 } 2669 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2670 if (lp->is_target) { 2671 lp->is_target = 0; 2672 isp_make_gone(isp, lp, chan, dbidx); 2673 } 2674 if (lp->is_initiator) { 2675 lp->is_initiator = 0; 2676 ac.contract_number = AC_CONTRACT_DEV_CHG; 2677 adc = (struct ac_device_changed *) ac.contract_data; 2678 adc->wwpn = lp->port_wwn; 2679 adc->port = lp->portid; 2680 adc->target = dbidx; 2681 adc->arrived = 0; 2682 xpt_async(AC_CONTRACT, fc->path, &ac); 2683 } 2684 lp->state = FC_PORTDB_STATE_NIL; 2685 } 2686 if (fc->ready) { 2687 if (more_to_do) { 2688 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2689 } else { 2690 callout_deactivate(&fc->gdt); 2691 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2692 } 2693 } 2694 ISP_UNLOCK(isp); 2695} 2696 2697/* 2698 * When loop goes down we remember the time and freeze CAM command queue. 2699 * During some time period we are trying to reprobe the loop. But if we 2700 * fail, we tell the OS that devices have gone away and drop the freeze. 2701 * 2702 * We don't clear the devices out of our port database because, when loop 2703 * come back up, we have to do some actual cleanup with the chip at that 2704 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2705 */ 2706static void 2707isp_loop_changed(ispsoftc_t *isp, int chan) 2708{ 2709 fcparam *fcp = FCPARAM(isp, chan); 2710 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2711 2712 if (fc->loop_down_time) 2713 return; 2714 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2715 if (fcp->role & ISP_ROLE_INITIATOR) 2716 isp_freeze_loopdown(isp, chan); 2717 fc->loop_down_time = time_uptime; 2718 wakeup(fc); 2719} 2720 2721static void 2722isp_loop_up(ispsoftc_t *isp, int chan) 2723{ 2724 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2725 2726 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2727 fc->loop_seen_once = 1; 2728 fc->loop_down_time = 0; 2729 isp_unfreeze_loopdown(isp, chan); 2730} 2731 2732static void 2733isp_loop_dead(ispsoftc_t *isp, int chan) 2734{ 2735 fcparam *fcp = FCPARAM(isp, chan); 2736 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2737 fcportdb_t *lp; 2738 struct ac_contract ac; 2739 struct ac_device_changed *adc; 2740 int dbidx, i; 2741 2742 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2743 2744 /* 2745 * Notify to the OS all targets who we now consider have departed. 2746 */ 2747 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2748 lp = &fcp->portdb[dbidx]; 2749 2750 if (lp->state == FC_PORTDB_STATE_NIL) 2751 continue; 2752 2753 for (i = 0; i < isp->isp_maxcmds; i++) { 2754 struct ccb_scsiio *xs; 2755 2756 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2757 continue; 2758 } 2759 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2760 continue; 2761 } 2762 if (dbidx != XS_TGT(xs)) { 2763 continue; 2764 } 2765 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2766 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2767 (uintmax_t)XS_LUN(xs)); 2768 2769 /* 2770 * Just like in isp_watchdog, abort the outstanding 2771 * command or immediately free its resources if it is 2772 * not active 2773 */ 2774 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2775 continue; 2776 } 2777 2778 if (XS_XFRLEN(xs)) { 2779 ISP_DMAFREE(isp, xs, isp->isp_xflist[i].handle); 2780 } 2781 isp_destroy_handle(isp, isp->isp_xflist[i].handle); 2782 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed", 2783 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2784 (uintmax_t)XS_LUN(xs)); 2785 XS_SETERR(xs, HBA_BUSRESET); 2786 isp_done(xs); 2787 } 2788 2789 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2790 if (lp->is_target) { 2791 lp->is_target = 0; 2792 isp_make_gone(isp, lp, chan, dbidx); 2793 } 2794 if (lp->is_initiator) { 2795 lp->is_initiator = 0; 2796 ac.contract_number = AC_CONTRACT_DEV_CHG; 2797 adc = (struct ac_device_changed *) ac.contract_data; 2798 adc->wwpn = lp->port_wwn; 2799 adc->port = lp->portid; 2800 adc->target = dbidx; 2801 adc->arrived = 0; 2802 xpt_async(AC_CONTRACT, fc->path, &ac); 2803 } 2804 } 2805 2806 isp_unfreeze_loopdown(isp, chan); 2807 fc->loop_down_time = 0; 2808} 2809 2810static void 2811isp_kthread(void *arg) 2812{ 2813 struct isp_fc *fc = arg; 2814 ispsoftc_t *isp = fc->isp; 2815 int chan = fc - isp->isp_osinfo.pc.fc; 2816 int slp = 0, d; 2817 int lb, lim; 2818 2819 ISP_LOCK(isp); 2820 while (isp->isp_osinfo.is_exiting == 0) { 2821 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2822 "Chan %d Checking FC state", chan); 2823 lb = isp_fc_runstate(isp, chan, 250000); 2824 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2825 "Chan %d FC got to %s state", chan, 2826 isp_fc_loop_statename(lb)); 2827 2828 /* 2829 * Our action is different based upon whether we're supporting 2830 * Initiator mode or not. If we are, we might freeze the simq 2831 * when loop is down and set all sorts of different delays to 2832 * check again. 2833 * 2834 * If not, we simply just wait for loop to come up. 2835 */ 2836 if (lb == LOOP_READY || lb < 0) { 2837 slp = 0; 2838 } else { 2839 /* 2840 * If we've never seen loop up and we've waited longer 2841 * than quickboot time, or we've seen loop up but we've 2842 * waited longer than loop_down_limit, give up and go 2843 * to sleep until loop comes up. 2844 */ 2845 if (fc->loop_seen_once == 0) 2846 lim = isp_quickboot_time; 2847 else 2848 lim = fc->loop_down_limit; 2849 d = time_uptime - fc->loop_down_time; 2850 if (d >= lim) 2851 slp = 0; 2852 else if (d < 10) 2853 slp = 1; 2854 else if (d < 30) 2855 slp = 5; 2856 else if (d < 60) 2857 slp = 10; 2858 else if (d < 120) 2859 slp = 20; 2860 else 2861 slp = 30; 2862 } 2863 2864 if (slp == 0) { 2865 if (lb == LOOP_READY) 2866 isp_loop_up(isp, chan); 2867 else 2868 isp_loop_dead(isp, chan); 2869 } 2870 2871 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2872 "Chan %d sleep for %d seconds", chan, slp); 2873 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2874 } 2875 fc->num_threads -= 1; 2876 ISP_UNLOCK(isp); 2877 kthread_exit(); 2878} 2879 2880#ifdef ISP_TARGET_MODE 2881static void 2882isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2883{ 2884 atio_private_data_t *atp; 2885 union ccb *accb = ccb->cab.abort_ccb; 2886 struct ccb_hdr *sccb; 2887 tstate_t *tptr; 2888 2889 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2890 if (tptr != NULL) { 2891 /* Search for the ATIO among queueued. */ 2892 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2893 if (sccb != &accb->ccb_h) 2894 continue; 2895 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2896 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2897 "Abort FREE ATIO\n"); 2898 accb->ccb_h.status = CAM_REQ_ABORTED; 2899 xpt_done(accb); 2900 ccb->ccb_h.status = CAM_REQ_CMP; 2901 return; 2902 } 2903 } 2904 2905 /* Search for the ATIO among running. */ 2906 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2907 if (atp != NULL) { 2908 /* Send TERMINATE to firmware. */ 2909 if (!atp->dead && IS_24XX(isp)) { 2910 uint8_t storage[QENTRY_LEN]; 2911 ct7_entry_t *cto = (ct7_entry_t *) storage; 2912 2913 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2914 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2915 cto->ct_header.rqs_entry_count = 1; 2916 cto->ct_nphdl = atp->nphdl; 2917 cto->ct_rxid = atp->tag; 2918 cto->ct_iid_lo = atp->sid; 2919 cto->ct_iid_hi = atp->sid >> 16; 2920 cto->ct_oxid = atp->oxid; 2921 cto->ct_vpidx = XS_CHANNEL(accb); 2922 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2923 isp_target_put_entry(isp, cto); 2924 } 2925 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2926 ccb->ccb_h.status = CAM_REQ_CMP; 2927 } else { 2928 ccb->ccb_h.status = CAM_UA_ABORT; 2929 } 2930} 2931 2932static void 2933isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2934{ 2935 inot_private_data_t *ntp; 2936 union ccb *accb = ccb->cab.abort_ccb; 2937 struct ccb_hdr *sccb; 2938 tstate_t *tptr; 2939 2940 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2941 if (tptr != NULL) { 2942 /* Search for the INOT among queueued. */ 2943 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2944 if (sccb != &accb->ccb_h) 2945 continue; 2946 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2947 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2948 "Abort FREE INOT\n"); 2949 accb->ccb_h.status = CAM_REQ_ABORTED; 2950 xpt_done(accb); 2951 ccb->ccb_h.status = CAM_REQ_CMP; 2952 return; 2953 } 2954 } 2955 2956 /* Search for the INOT among running. */ 2957 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2958 if (ntp != NULL) { 2959 if (ntp->nt.nt_need_ack) { 2960 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2961 ntp->nt.nt_lreserved); 2962 } 2963 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2964 ccb->ccb_h.status = CAM_REQ_CMP; 2965 } else { 2966 ccb->ccb_h.status = CAM_UA_ABORT; 2967 return; 2968 } 2969} 2970#endif 2971 2972static void 2973isp_action(struct cam_sim *sim, union ccb *ccb) 2974{ 2975 int bus, tgt, error; 2976 ispsoftc_t *isp; 2977 struct ccb_trans_settings *cts; 2978 sbintime_t ts; 2979 2980 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2981 2982 isp = (ispsoftc_t *)cam_sim_softc(sim); 2983 ISP_ASSERT_LOCKED(isp); 2984 bus = cam_sim_bus(sim); 2985 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2986 ISP_PCMD(ccb) = NULL; 2987 2988 switch (ccb->ccb_h.func_code) { 2989 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2990 /* 2991 * Do a couple of preliminary checks... 2992 */ 2993 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2994 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2995 ccb->ccb_h.status = CAM_REQ_INVALID; 2996 isp_done((struct ccb_scsiio *) ccb); 2997 break; 2998 } 2999 } 3000 ccb->csio.req_map = NULL; 3001#ifdef DIAGNOSTIC 3002 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 3003 xpt_print(ccb->ccb_h.path, "invalid target\n"); 3004 ccb->ccb_h.status = CAM_PATH_INVALID; 3005 } else if (ISP_MAX_LUNS(isp) > 0 && 3006 ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) { 3007 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 3008 ccb->ccb_h.status = CAM_PATH_INVALID; 3009 } 3010 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 3011 xpt_done(ccb); 3012 break; 3013 } 3014#endif 3015 ccb->csio.scsi_status = SCSI_STATUS_OK; 3016 if (isp_get_pcmd(isp, ccb)) { 3017 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 3018 cam_freeze_devq(ccb->ccb_h.path); 3019 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 3020 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3021 xpt_done(ccb); 3022 break; 3023 } 3024 error = isp_start((XS_T *) ccb); 3025 switch (error) { 3026 case CMD_QUEUED: 3027 ccb->ccb_h.status |= CAM_SIM_QUEUED; 3028 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 3029 break; 3030 /* Give firmware extra 10s to handle timeout. */ 3031 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 3032 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 3033 isp_watchdog, ccb, 0); 3034 break; 3035 case CMD_RQLATER: 3036 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 3037 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 3038 cam_freeze_devq(ccb->ccb_h.path); 3039 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3040 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3041 isp_free_pcmd(isp, ccb); 3042 xpt_done(ccb); 3043 break; 3044 case CMD_EAGAIN: 3045 isp_free_pcmd(isp, ccb); 3046 cam_freeze_devq(ccb->ccb_h.path); 3047 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 3048 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3049 xpt_done(ccb); 3050 break; 3051 case CMD_COMPLETE: 3052 isp_done((struct ccb_scsiio *) ccb); 3053 break; 3054 default: 3055 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 3056 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3057 isp_free_pcmd(isp, ccb); 3058 xpt_done(ccb); 3059 } 3060 break; 3061 3062#ifdef ISP_TARGET_MODE 3063 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 3064 if (ccb->cel.enable) { 3065 isp_enable_lun(isp, ccb); 3066 } else { 3067 isp_disable_lun(isp, ccb); 3068 } 3069 break; 3070 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 3071 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3072 { 3073 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 3074 if (tptr == NULL) { 3075 const char *str; 3076 3077 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 3078 str = "XPT_IMMEDIATE_NOTIFY"; 3079 else 3080 str = "XPT_ACCEPT_TARGET_IO"; 3081 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 3082 "%s: no state pointer found for %s\n", 3083 __func__, str); 3084 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3085 xpt_done(ccb); 3086 break; 3087 } 3088 ccb->ccb_h.spriv_field0 = 0; 3089 ccb->ccb_h.spriv_ptr1 = isp; 3090 3091 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3092 ccb->atio.tag_id = 0; 3093 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 3094 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3095 "Put FREE ATIO\n"); 3096 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 3097 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 3098 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 3099 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 3100 "Put FREE INOT\n"); 3101 } 3102 ccb->ccb_h.status = CAM_REQ_INPROG; 3103 break; 3104 } 3105 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 3106 { 3107 inot_private_data_t *ntp; 3108 3109 /* 3110 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 3111 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 3112 */ 3113 /* 3114 * All the relevant path information is in the associated immediate notify 3115 */ 3116 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); 3117 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 3118 if (ntp == NULL) { 3119 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__, 3120 ccb->cna2.tag_id, ccb->cna2.seq_id); 3121 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 3122 xpt_done(ccb); 3123 break; 3124 } 3125 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 3126 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 3127 cam_freeze_devq(ccb->ccb_h.path); 3128 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 3129 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 3130 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 3131 break; 3132 } 3133 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 3134 ccb->ccb_h.status = CAM_REQ_CMP; 3135 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); 3136 xpt_done(ccb); 3137 break; 3138 } 3139 case XPT_CONT_TARGET_IO: 3140 isp_target_start_ctio(isp, ccb, FROM_CAM); 3141 break; 3142#endif 3143 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 3144 tgt = ccb->ccb_h.target_id; 3145 tgt |= (bus << 16); 3146 3147 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 3148 if (error) { 3149 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3150 } else { 3151 /* 3152 * If we have a FC device, reset the Command 3153 * Reference Number, because the target will expect 3154 * that we re-start the CRN at 1 after a reset. 3155 */ 3156 if (IS_FC(isp)) 3157 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3158 3159 ccb->ccb_h.status = CAM_REQ_CMP; 3160 } 3161 xpt_done(ccb); 3162 break; 3163 case XPT_ABORT: /* Abort the specified CCB */ 3164 { 3165 union ccb *accb = ccb->cab.abort_ccb; 3166 switch (accb->ccb_h.func_code) { 3167#ifdef ISP_TARGET_MODE 3168 case XPT_ACCEPT_TARGET_IO: 3169 isp_abort_atio(isp, ccb); 3170 break; 3171 case XPT_IMMEDIATE_NOTIFY: 3172 isp_abort_inot(isp, ccb); 3173 break; 3174#endif 3175 case XPT_SCSI_IO: 3176 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 3177 if (error) { 3178 ccb->ccb_h.status = CAM_UA_ABORT; 3179 } else { 3180 ccb->ccb_h.status = CAM_REQ_CMP; 3181 } 3182 break; 3183 default: 3184 ccb->ccb_h.status = CAM_REQ_INVALID; 3185 break; 3186 } 3187 /* 3188 * This is not a queued CCB, so the caller expects it to be 3189 * complete when control is returned. 3190 */ 3191 break; 3192 } 3193#define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 3194 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3195 cts = &ccb->cts; 3196 if (!IS_CURRENT_SETTINGS(cts)) { 3197 ccb->ccb_h.status = CAM_REQ_INVALID; 3198 xpt_done(ccb); 3199 break; 3200 } 3201 tgt = cts->ccb_h.target_id; 3202 if (IS_SCSI(isp)) { 3203 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3204 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3205 sdparam *sdp = SDPARAM(isp, bus); 3206 uint16_t *dptr; 3207 3208 if (spi->valid == 0 && scsi->valid == 0) { 3209 ccb->ccb_h.status = CAM_REQ_CMP; 3210 xpt_done(ccb); 3211 break; 3212 } 3213 3214 /* 3215 * We always update (internally) from goal_flags 3216 * so any request to change settings just gets 3217 * vectored to that location. 3218 */ 3219 dptr = &sdp->isp_devparam[tgt].goal_flags; 3220 3221 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3222 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 3223 *dptr |= DPARM_DISC; 3224 else 3225 *dptr &= ~DPARM_DISC; 3226 } 3227 3228 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3229 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 3230 *dptr |= DPARM_TQING; 3231 else 3232 *dptr &= ~DPARM_TQING; 3233 } 3234 3235 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3236 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 3237 *dptr |= DPARM_WIDE; 3238 else 3239 *dptr &= ~DPARM_WIDE; 3240 } 3241 3242 /* 3243 * XXX: FIX ME 3244 */ 3245 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 3246 *dptr |= DPARM_SYNC; 3247 /* 3248 * XXX: CHECK FOR LEGALITY 3249 */ 3250 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 3251 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 3252 } else { 3253 *dptr &= ~DPARM_SYNC; 3254 } 3255 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, 3256 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 3257 sdp->isp_devparam[tgt].dev_update = 1; 3258 sdp->update = 1; 3259 } 3260 ccb->ccb_h.status = CAM_REQ_CMP; 3261 xpt_done(ccb); 3262 break; 3263 case XPT_GET_TRAN_SETTINGS: 3264 cts = &ccb->cts; 3265 tgt = cts->ccb_h.target_id; 3266 if (IS_FC(isp)) { 3267 fcparam *fcp = FCPARAM(isp, bus); 3268 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3269 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 3270 3271 cts->protocol = PROTO_SCSI; 3272 cts->protocol_version = SCSI_REV_2; 3273 cts->transport = XPORT_FC; 3274 cts->transport_version = 0; 3275 3276 scsi->valid = CTS_SCSI_VALID_TQ; 3277 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3278 fc->valid = CTS_FC_VALID_SPEED; 3279 fc->bitrate = 100000; 3280 fc->bitrate *= fcp->isp_gbspeed; 3281 if (tgt < MAX_FC_TARG) { 3282 fcportdb_t *lp = &fcp->portdb[tgt]; 3283 fc->wwnn = lp->node_wwn; 3284 fc->wwpn = lp->port_wwn; 3285 fc->port = lp->portid; 3286 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 3287 } 3288 } else { 3289 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3290 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3291 sdparam *sdp = SDPARAM(isp, bus); 3292 uint16_t dval, pval, oval; 3293 3294 if (IS_CURRENT_SETTINGS(cts)) { 3295 sdp->isp_devparam[tgt].dev_refresh = 1; 3296 sdp->update = 1; 3297 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 3298 dval = sdp->isp_devparam[tgt].actv_flags; 3299 oval = sdp->isp_devparam[tgt].actv_offset; 3300 pval = sdp->isp_devparam[tgt].actv_period; 3301 } else { 3302 dval = sdp->isp_devparam[tgt].nvrm_flags; 3303 oval = sdp->isp_devparam[tgt].nvrm_offset; 3304 pval = sdp->isp_devparam[tgt].nvrm_period; 3305 } 3306 3307 cts->protocol = PROTO_SCSI; 3308 cts->protocol_version = SCSI_REV_2; 3309 cts->transport = XPORT_SPI; 3310 cts->transport_version = 2; 3311 3312 spi->valid = 0; 3313 scsi->valid = 0; 3314 spi->flags = 0; 3315 scsi->flags = 0; 3316 if (dval & DPARM_DISC) { 3317 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3318 } 3319 if ((dval & DPARM_SYNC) && oval && pval) { 3320 spi->sync_offset = oval; 3321 spi->sync_period = pval; 3322 } else { 3323 spi->sync_offset = 0; 3324 spi->sync_period = 0; 3325 } 3326 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3327 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3328 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3329 if (dval & DPARM_WIDE) { 3330 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3331 } else { 3332 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3333 } 3334 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3335 scsi->valid = CTS_SCSI_VALID_TQ; 3336 if (dval & DPARM_TQING) { 3337 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3338 } 3339 spi->valid |= CTS_SPI_VALID_DISC; 3340 } 3341 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 3342 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval); 3343 } 3344 ccb->ccb_h.status = CAM_REQ_CMP; 3345 xpt_done(ccb); 3346 break; 3347 3348 case XPT_CALC_GEOMETRY: 3349 cam_calc_geometry(&ccb->ccg, 1); 3350 xpt_done(ccb); 3351 break; 3352 3353 case XPT_RESET_BUS: /* Reset the specified bus */ 3354 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 3355 if (error) { 3356 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3357 xpt_done(ccb); 3358 break; 3359 } 3360 if (bootverbose) { 3361 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 3362 } 3363 if (IS_FC(isp)) { 3364 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 3365 } else { 3366 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 3367 } 3368 ccb->ccb_h.status = CAM_REQ_CMP; 3369 xpt_done(ccb); 3370 break; 3371 3372 case XPT_TERM_IO: /* Terminate the I/O process */ 3373 ccb->ccb_h.status = CAM_REQ_INVALID; 3374 xpt_done(ccb); 3375 break; 3376 3377 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 3378 { 3379 struct ccb_sim_knob *kp = &ccb->knob; 3380 fcparam *fcp; 3381 3382 if (!IS_FC(isp)) { 3383 ccb->ccb_h.status = CAM_REQ_INVALID; 3384 xpt_done(ccb); 3385 break; 3386 } 3387 3388 fcp = FCPARAM(isp, bus); 3389 3390 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 3391 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 3392 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 3393 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 3394 } 3395 ccb->ccb_h.status = CAM_REQ_CMP; 3396 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 3397 int rchange = 0; 3398 int newrole = 0; 3399 3400 switch (kp->xport_specific.fc.role) { 3401 case KNOB_ROLE_NONE: 3402 if (fcp->role != ISP_ROLE_NONE) { 3403 rchange = 1; 3404 newrole = ISP_ROLE_NONE; 3405 } 3406 break; 3407 case KNOB_ROLE_TARGET: 3408 if (fcp->role != ISP_ROLE_TARGET) { 3409 rchange = 1; 3410 newrole = ISP_ROLE_TARGET; 3411 } 3412 break; 3413 case KNOB_ROLE_INITIATOR: 3414 if (fcp->role != ISP_ROLE_INITIATOR) { 3415 rchange = 1; 3416 newrole = ISP_ROLE_INITIATOR; 3417 } 3418 break; 3419 case KNOB_ROLE_BOTH: 3420 if (fcp->role != ISP_ROLE_BOTH) { 3421 rchange = 1; 3422 newrole = ISP_ROLE_BOTH; 3423 } 3424 break; 3425 } 3426 if (rchange) { 3427 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 3428 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 3429 bus, newrole) != 0) { 3430 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 3431 xpt_done(ccb); 3432 break; 3433 } 3434 } 3435 } 3436 xpt_done(ccb); 3437 break; 3438 } 3439 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 3440 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 3441 { 3442 struct ccb_sim_knob *kp = &ccb->knob; 3443 3444 if (IS_FC(isp)) { 3445 fcparam *fcp; 3446 3447 fcp = FCPARAM(isp, bus); 3448 3449 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 3450 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 3451 switch (fcp->role) { 3452 case ISP_ROLE_NONE: 3453 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 3454 break; 3455 case ISP_ROLE_TARGET: 3456 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 3457 break; 3458 case ISP_ROLE_INITIATOR: 3459 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 3460 break; 3461 case ISP_ROLE_BOTH: 3462 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 3463 break; 3464 } 3465 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 3466 ccb->ccb_h.status = CAM_REQ_CMP; 3467 } else { 3468 ccb->ccb_h.status = CAM_REQ_INVALID; 3469 } 3470 xpt_done(ccb); 3471 break; 3472 } 3473 case XPT_PATH_INQ: /* Path routing inquiry */ 3474 { 3475 struct ccb_pathinq *cpi = &ccb->cpi; 3476 3477 cpi->version_num = 1; 3478#ifdef ISP_TARGET_MODE 3479 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp)) 3480 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3481 else 3482#endif 3483 cpi->target_sprt = 0; 3484 cpi->hba_eng_cnt = 0; 3485 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 3486 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ? 3487 255 : ISP_MAX_LUNS(isp) - 1; 3488 cpi->bus_id = cam_sim_bus(sim); 3489 if (sizeof (bus_size_t) > 4) 3490 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 3491 else 3492 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 3493 3494 if (IS_FC(isp)) { 3495 fcparam *fcp = FCPARAM(isp, bus); 3496 3497 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 3498 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 3499 3500 /* 3501 * Because our loop ID can shift from time to time, 3502 * make our initiator ID out of range of our bus. 3503 */ 3504 cpi->initiator_id = cpi->max_target + 1; 3505 3506 /* 3507 * Set base transfer capabilities for Fibre Channel, for this HBA. 3508 */ 3509 if (IS_25XX(isp)) { 3510 cpi->base_transfer_speed = 8000000; 3511 } else if (IS_24XX(isp)) { 3512 cpi->base_transfer_speed = 4000000; 3513 } else if (IS_23XX(isp)) { 3514 cpi->base_transfer_speed = 2000000; 3515 } else { 3516 cpi->base_transfer_speed = 1000000; 3517 } 3518 cpi->hba_inquiry = PI_TAG_ABLE; 3519 cpi->transport = XPORT_FC; 3520 cpi->transport_version = 0; 3521 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 3522 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 3523 cpi->xport_specific.fc.port = fcp->isp_portid; 3524 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 3525 } else { 3526 sdparam *sdp = SDPARAM(isp, bus); 3527 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3528 cpi->hba_misc = PIM_UNMAPPED; 3529 cpi->initiator_id = sdp->isp_initiator_id; 3530 cpi->base_transfer_speed = 3300; 3531 cpi->transport = XPORT_SPI; 3532 cpi->transport_version = 2; 3533 } 3534 cpi->protocol = PROTO_SCSI; 3535 cpi->protocol_version = SCSI_REV_2; 3536 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3537 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 3538 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3539 cpi->unit_number = cam_sim_unit(sim); 3540 cpi->ccb_h.status = CAM_REQ_CMP; 3541 xpt_done(ccb); 3542 break; 3543 } 3544 default: 3545 ccb->ccb_h.status = CAM_REQ_INVALID; 3546 xpt_done(ccb); 3547 break; 3548 } 3549} 3550 3551void 3552isp_done(XS_T *sccb) 3553{ 3554 ispsoftc_t *isp = XS_ISP(sccb); 3555 uint32_t status; 3556 3557 if (XS_NOERR(sccb)) 3558 XS_SETERR(sccb, CAM_REQ_CMP); 3559 3560 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 3561 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 3562 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 3563 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 3564 } else { 3565 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 3566 } 3567 } 3568 3569 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3570 status = sccb->ccb_h.status & CAM_STATUS_MASK; 3571 if (status != CAM_REQ_CMP && 3572 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 3573 sccb->ccb_h.status |= CAM_DEV_QFRZN; 3574 xpt_freeze_devq(sccb->ccb_h.path, 1); 3575 } 3576 3577 if (ISP_PCMD(sccb)) { 3578 if (callout_active(&PISP_PCMD(sccb)->wdog)) 3579 callout_stop(&PISP_PCMD(sccb)->wdog); 3580 isp_free_pcmd(isp, (union ccb *) sccb); 3581 } 3582 xpt_done((union ccb *) sccb); 3583} 3584 3585void 3586isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 3587{ 3588 int bus; 3589 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 3590 char buf[64]; 3591 char *msg = NULL; 3592 target_id_t tgt = 0; 3593 fcportdb_t *lp; 3594 struct isp_fc *fc; 3595 struct cam_path *tmppath; 3596 struct ac_contract ac; 3597 struct ac_device_changed *adc; 3598 va_list ap; 3599 3600 switch (cmd) { 3601 case ISPASYNC_NEW_TGT_PARAMS: 3602 { 3603 struct ccb_trans_settings_scsi *scsi; 3604 struct ccb_trans_settings_spi *spi; 3605 int flags, tgt; 3606 sdparam *sdp; 3607 struct ccb_trans_settings cts; 3608 3609 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 3610 3611 va_start(ap, cmd); 3612 bus = va_arg(ap, int); 3613 tgt = va_arg(ap, int); 3614 va_end(ap); 3615 sdp = SDPARAM(isp, bus); 3616 3617 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 3618 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 3619 break; 3620 } 3621 flags = sdp->isp_devparam[tgt].actv_flags; 3622 cts.type = CTS_TYPE_CURRENT_SETTINGS; 3623 cts.protocol = PROTO_SCSI; 3624 cts.transport = XPORT_SPI; 3625 3626 scsi = &cts.proto_specific.scsi; 3627 spi = &cts.xport_specific.spi; 3628 3629 if (flags & DPARM_TQING) { 3630 scsi->valid |= CTS_SCSI_VALID_TQ; 3631 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3632 } 3633 3634 if (flags & DPARM_DISC) { 3635 spi->valid |= CTS_SPI_VALID_DISC; 3636 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3637 } 3638 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 3639 if (flags & DPARM_WIDE) { 3640 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3641 } else { 3642 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3643 } 3644 if (flags & DPARM_SYNC) { 3645 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3646 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3647 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 3648 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 3649 } 3650 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); 3651 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 3652 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 3653 xpt_free_path(tmppath); 3654 break; 3655 } 3656 case ISPASYNC_BUS_RESET: 3657 { 3658 va_start(ap, cmd); 3659 bus = va_arg(ap, int); 3660 va_end(ap); 3661 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 3662 if (IS_FC(isp)) { 3663 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 3664 } else { 3665 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 3666 } 3667 break; 3668 } 3669 case ISPASYNC_LOOP_RESET: 3670 { 3671 uint16_t lipp; 3672 fcparam *fcp; 3673 va_start(ap, cmd); 3674 bus = va_arg(ap, int); 3675 va_end(ap); 3676 3677 lipp = ISP_READ(isp, OUTMAILBOX1); 3678 fcp = FCPARAM(isp, bus); 3679 3680 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp); 3681 /* 3682 * Per FCP-4, a Reset LIP should result in a CRN reset. Other 3683 * LIPs and loop up/down events should never reset the CRN. For 3684 * an as of yet unknown reason, 24xx series cards (and 3685 * potentially others) can interrupt with a LIP Reset status 3686 * when no LIP reset came down the wire. Additionally, the LIP 3687 * primitive accompanying this status would not be a valid LIP 3688 * Reset primitive, but some variation of an invalid AL_PA 3689 * LIP. As a result, we have to verify the AL_PD in the LIP 3690 * addresses our port before blindly resetting. 3691 */ 3692 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF))) 3693 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 3694 isp_loop_changed(isp, bus); 3695 break; 3696 } 3697 case ISPASYNC_LIP: 3698 if (msg == NULL) 3699 msg = "LIP Received"; 3700 /* FALLTHROUGH */ 3701 case ISPASYNC_LOOP_DOWN: 3702 if (msg == NULL) 3703 msg = "LOOP Down"; 3704 /* FALLTHROUGH */ 3705 case ISPASYNC_LOOP_UP: 3706 if (msg == NULL) 3707 msg = "LOOP Up"; 3708 va_start(ap, cmd); 3709 bus = va_arg(ap, int); 3710 va_end(ap); 3711 isp_loop_changed(isp, bus); 3712 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3713 break; 3714 case ISPASYNC_DEV_ARRIVED: 3715 va_start(ap, cmd); 3716 bus = va_arg(ap, int); 3717 lp = va_arg(ap, fcportdb_t *); 3718 va_end(ap); 3719 fc = ISP_FC_PC(isp, bus); 3720 tgt = FC_PORTDB_TGT(isp, bus, lp); 3721 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3722 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 3723 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3724 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 3725 lp->is_target = 1; 3726 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3727 isp_make_here(isp, lp, bus, tgt); 3728 } 3729 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3730 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 3731 lp->is_initiator = 1; 3732 ac.contract_number = AC_CONTRACT_DEV_CHG; 3733 adc = (struct ac_device_changed *) ac.contract_data; 3734 adc->wwpn = lp->port_wwn; 3735 adc->port = lp->portid; 3736 adc->target = tgt; 3737 adc->arrived = 1; 3738 xpt_async(AC_CONTRACT, fc->path, &ac); 3739 } 3740 break; 3741 case ISPASYNC_DEV_CHANGED: 3742 case ISPASYNC_DEV_STAYED: 3743 { 3744 int crn_reset_done; 3745 3746 crn_reset_done = 0; 3747 va_start(ap, cmd); 3748 bus = va_arg(ap, int); 3749 lp = va_arg(ap, fcportdb_t *); 3750 va_end(ap); 3751 fc = ISP_FC_PC(isp, bus); 3752 tgt = FC_PORTDB_TGT(isp, bus, lp); 3753 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 3754 if (cmd == ISPASYNC_DEV_CHANGED) 3755 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 3756 else 3757 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 3758 3759 if (lp->is_target != 3760 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 3761 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 3762 lp->is_target = !lp->is_target; 3763 if (lp->is_target) { 3764 if (cmd == ISPASYNC_DEV_CHANGED) { 3765 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3766 crn_reset_done = 1; 3767 } 3768 isp_make_here(isp, lp, bus, tgt); 3769 } else { 3770 isp_make_gone(isp, lp, bus, tgt); 3771 if (cmd == ISPASYNC_DEV_CHANGED) { 3772 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3773 crn_reset_done = 1; 3774 } 3775 } 3776 } 3777 if (lp->is_initiator != 3778 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 3779 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 3780 lp->is_initiator = !lp->is_initiator; 3781 ac.contract_number = AC_CONTRACT_DEV_CHG; 3782 adc = (struct ac_device_changed *) ac.contract_data; 3783 adc->wwpn = lp->port_wwn; 3784 adc->port = lp->portid; 3785 adc->target = tgt; 3786 adc->arrived = lp->is_initiator; 3787 xpt_async(AC_CONTRACT, fc->path, &ac); 3788 } 3789 3790 if ((cmd == ISPASYNC_DEV_CHANGED) && 3791 (crn_reset_done == 0)) 3792 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 3793 3794 break; 3795 } 3796 case ISPASYNC_DEV_GONE: 3797 va_start(ap, cmd); 3798 bus = va_arg(ap, int); 3799 lp = va_arg(ap, fcportdb_t *); 3800 va_end(ap); 3801 fc = ISP_FC_PC(isp, bus); 3802 tgt = FC_PORTDB_TGT(isp, bus, lp); 3803 /* 3804 * If this has a virtual target or initiator set the isp_gdt 3805 * timer running on it to delay its departure. 3806 */ 3807 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 3808 if (lp->is_target || lp->is_initiator) { 3809 lp->state = FC_PORTDB_STATE_ZOMBIE; 3810 lp->gone_timer = fc->gone_device_time; 3811 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 3812 if (fc->ready && !callout_active(&fc->gdt)) { 3813 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); 3814 callout_reset(&fc->gdt, hz, isp_gdt, fc); 3815 } 3816 break; 3817 } 3818 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 3819 break; 3820 case ISPASYNC_CHANGE_NOTIFY: 3821 { 3822 char *msg; 3823 int evt, nphdl, nlstate, portid, reason; 3824 3825 va_start(ap, cmd); 3826 bus = va_arg(ap, int); 3827 evt = va_arg(ap, int); 3828 if (evt == ISPASYNC_CHANGE_PDB) { 3829 nphdl = va_arg(ap, int); 3830 nlstate = va_arg(ap, int); 3831 reason = va_arg(ap, int); 3832 } else if (evt == ISPASYNC_CHANGE_SNS) { 3833 portid = va_arg(ap, int); 3834 } else { 3835 nphdl = NIL_HANDLE; 3836 nlstate = reason = 0; 3837 } 3838 va_end(ap); 3839 3840 if (evt == ISPASYNC_CHANGE_PDB) { 3841 int tgt_set = 0; 3842 msg = "Port Database Changed"; 3843 isp_prt(isp, ISP_LOGINFO, 3844 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3845 bus, msg, nphdl, nlstate, reason); 3846 /* 3847 * Port database syncs are not sufficient for 3848 * determining that logins or logouts are done on the 3849 * loop, but this information is directly available from 3850 * the reason code from the incoming mbox. We must reset 3851 * the fcp crn on these events according to FCP-4 3852 */ 3853 switch (reason) { 3854 case PDB24XX_AE_IMPL_LOGO_1: 3855 case PDB24XX_AE_IMPL_LOGO_2: 3856 case PDB24XX_AE_IMPL_LOGO_3: 3857 case PDB24XX_AE_PLOGI_RCVD: 3858 case PDB24XX_AE_PRLI_RCVD: 3859 case PDB24XX_AE_PRLO_RCVD: 3860 case PDB24XX_AE_LOGO_RCVD: 3861 case PDB24XX_AE_PLOGI_DONE: 3862 case PDB24XX_AE_PRLI_DONE: 3863 /* 3864 * If the event is not global, twiddle tgt and 3865 * tgt_set to nominate only the target 3866 * associated with the nphdl. 3867 */ 3868 if (nphdl != PDB24XX_AE_GLOBAL) { 3869 /* Break if we don't yet have the pdb */ 3870 if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp)) 3871 break; 3872 tgt = FC_PORTDB_TGT(isp, bus, lp); 3873 tgt_set = 1; 3874 } 3875 isp_fcp_reset_crn(isp, bus, tgt, tgt_set); 3876 break; 3877 default: 3878 break; /* NOP */ 3879 } 3880 } else if (evt == ISPASYNC_CHANGE_SNS) { 3881 msg = "Name Server Database Changed"; 3882 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3883 bus, msg, portid); 3884 } else { 3885 msg = "Other Change Notify"; 3886 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3887 } 3888 isp_loop_changed(isp, bus); 3889 break; 3890 } 3891#ifdef ISP_TARGET_MODE 3892 case ISPASYNC_TARGET_NOTIFY: 3893 { 3894 isp_notify_t *notify; 3895 va_start(ap, cmd); 3896 notify = va_arg(ap, isp_notify_t *); 3897 va_end(ap); 3898 switch (notify->nt_ncode) { 3899 case NT_ABORT_TASK: 3900 case NT_ABORT_TASK_SET: 3901 case NT_CLEAR_ACA: 3902 case NT_CLEAR_TASK_SET: 3903 case NT_LUN_RESET: 3904 case NT_TARGET_RESET: 3905 case NT_QUERY_TASK_SET: 3906 case NT_QUERY_ASYNC_EVENT: 3907 /* 3908 * These are task management functions. 3909 */ 3910 isp_handle_platform_target_tmf(isp, notify); 3911 break; 3912 case NT_BUS_RESET: 3913 case NT_LIP_RESET: 3914 case NT_LINK_UP: 3915 case NT_LINK_DOWN: 3916 case NT_HBA_RESET: 3917 /* 3918 * No action need be taken here. 3919 */ 3920 break; 3921 case NT_GLOBAL_LOGOUT: 3922 case NT_LOGOUT: 3923 /* 3924 * This is device arrival/departure notification 3925 */ 3926 isp_handle_platform_target_notify_ack(isp, notify, 0); 3927 break; 3928 case NT_SRR: 3929 isp_handle_platform_srr(isp, notify); 3930 break; 3931 default: 3932 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3933 isp_handle_platform_target_notify_ack(isp, notify, 0); 3934 break; 3935 } 3936 break; 3937 } 3938 case ISPASYNC_TARGET_NOTIFY_ACK: 3939 { 3940 void *inot; 3941 va_start(ap, cmd); 3942 inot = va_arg(ap, void *); 3943 va_end(ap); 3944 if (isp_notify_ack(isp, inot)) { 3945 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3946 if (tp) { 3947 tp->isp = isp; 3948 memcpy(tp->data, inot, sizeof (tp->data)); 3949 tp->not = tp->data; 3950 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3951 callout_reset(&tp->timer, 5, 3952 isp_refire_notify_ack, tp); 3953 } else { 3954 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3955 } 3956 } 3957 break; 3958 } 3959 case ISPASYNC_TARGET_ACTION: 3960 { 3961 isphdr_t *hp; 3962 3963 va_start(ap, cmd); 3964 hp = va_arg(ap, isphdr_t *); 3965 va_end(ap); 3966 switch (hp->rqs_entry_type) { 3967 case RQSTYPE_ATIO: 3968 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 3969 break; 3970 case RQSTYPE_ATIO2: 3971 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 3972 break; 3973 case RQSTYPE_CTIO7: 3974 case RQSTYPE_CTIO3: 3975 case RQSTYPE_CTIO2: 3976 case RQSTYPE_CTIO: 3977 isp_handle_platform_ctio(isp, hp); 3978 break; 3979 default: 3980 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3981 __func__, hp->rqs_entry_type); 3982 break; 3983 } 3984 break; 3985 } 3986#endif 3987 case ISPASYNC_FW_CRASH: 3988 { 3989 uint16_t mbox1, mbox6; 3990 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3991 if (IS_DUALBUS(isp)) { 3992 mbox6 = ISP_READ(isp, OUTMAILBOX6); 3993 } else { 3994 mbox6 = 0; 3995 } 3996 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 3997#if 0 3998 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 3999 isp->isp_osinfo.mbox_sleep_ok = 0; 4000 isp_reinit(isp, 1); 4001 isp->isp_osinfo.mbox_sleep_ok = mbox1; 4002 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 4003#endif 4004 break; 4005 } 4006 default: 4007 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 4008 break; 4009 } 4010} 4011 4012uint64_t 4013isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 4014{ 4015 uint64_t seed; 4016 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4017 4018 /* First try to use explicitly configured WWNs. */ 4019 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 4020 if (seed) 4021 return (seed); 4022 4023 /* Otherwise try to use WWNs from NVRAM. */ 4024 if (isactive) { 4025 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 4026 FCPARAM(isp, chan)->isp_wwpn_nvram; 4027 if (seed) 4028 return (seed); 4029 } 4030 4031 /* If still no WWNs, try to steal them from the first channel. */ 4032 if (chan > 0) { 4033 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 4034 ISP_FC_PC(isp, 0)->def_wwpn; 4035 if (seed == 0) { 4036 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 4037 FCPARAM(isp, 0)->isp_wwpn_nvram; 4038 } 4039 } 4040 4041 /* If still nothing -- improvise. */ 4042 if (seed == 0) { 4043 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 4044 if (!iswwnn) 4045 seed ^= 0x0100000000000000ULL; 4046 } 4047 4048 /* For additional channels we have to improvise even more. */ 4049 if (!iswwnn && chan > 0) { 4050 /* 4051 * We'll stick our channel number plus one first into bits 4052 * 57..59 and thence into bits 52..55 which allows for 8 bits 4053 * of channel which is enough for our maximum of 255 channels. 4054 */ 4055 seed ^= 0x0100000000000000ULL; 4056 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 4057 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 4058 } 4059 return (seed); 4060} 4061 4062void 4063isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 4064{ 4065 int loc; 4066 char lbuf[200]; 4067 va_list ap; 4068 4069 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4070 return; 4071 } 4072 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 4073 loc = strlen(lbuf); 4074 va_start(ap, fmt); 4075 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 4076 va_end(ap); 4077 printf("%s\n", lbuf); 4078} 4079 4080void 4081isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 4082{ 4083 va_list ap; 4084 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 4085 return; 4086 } 4087 xpt_print_path(xs->ccb_h.path); 4088 va_start(ap, fmt); 4089 vprintf(fmt, ap); 4090 va_end(ap); 4091 printf("\n"); 4092} 4093 4094uint64_t 4095isp_nanotime_sub(struct timespec *b, struct timespec *a) 4096{ 4097 uint64_t elapsed; 4098 struct timespec x = *b; 4099 timespecsub(&x, a); 4100 elapsed = GET_NANOSEC(&x); 4101 if (elapsed == 0) 4102 elapsed++; 4103 return (elapsed); 4104} 4105 4106int 4107isp_mbox_acquire(ispsoftc_t *isp) 4108{ 4109 if (isp->isp_osinfo.mboxbsy) { 4110 return (1); 4111 } else { 4112 isp->isp_osinfo.mboxcmd_done = 0; 4113 isp->isp_osinfo.mboxbsy = 1; 4114 return (0); 4115 } 4116} 4117 4118void 4119isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 4120{ 4121 u_int t, to; 4122 4123 to = (mbp->timeout == 0) ? MBCMD_DEFAULT_TIMEOUT : mbp->timeout; 4124 if (isp->isp_osinfo.mbox_sleep_ok) { 4125 isp->isp_osinfo.mbox_sleep_ok = 0; 4126 isp->isp_osinfo.mbox_sleeping = 1; 4127 msleep_sbt(&isp->isp_osinfo.mboxcmd_done, &isp->isp_lock, 4128 PRIBIO, "ispmbx_sleep", to * SBT_1US, 0, 0); 4129 isp->isp_osinfo.mbox_sleep_ok = 1; 4130 isp->isp_osinfo.mbox_sleeping = 0; 4131 } else { 4132 for (t = 0; t < to; t += 100) { 4133 if (isp->isp_osinfo.mboxcmd_done) 4134 break; 4135 ISP_RUN_ISR(isp); 4136 if (isp->isp_osinfo.mboxcmd_done) 4137 break; 4138 ISP_DELAY(100); 4139 } 4140 } 4141 if (isp->isp_osinfo.mboxcmd_done == 0) { 4142 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (%s:%d)", 4143 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", 4144 isp->isp_lastmbxcmd, to, mbp->func, mbp->lineno); 4145 mbp->param[0] = MBOX_TIMEOUT; 4146 isp->isp_osinfo.mboxcmd_done = 1; 4147 } 4148} 4149 4150void 4151isp_mbox_notify_done(ispsoftc_t *isp) 4152{ 4153 isp->isp_osinfo.mboxcmd_done = 1; 4154 if (isp->isp_osinfo.mbox_sleeping) 4155 wakeup(&isp->isp_osinfo.mboxcmd_done); 4156} 4157 4158void 4159isp_mbox_release(ispsoftc_t *isp) 4160{ 4161 isp->isp_osinfo.mboxbsy = 0; 4162} 4163 4164int 4165isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 4166{ 4167 int ret = 0; 4168 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 4169 ret = -1; 4170 } else { 4171 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 4172 } 4173 return (ret); 4174} 4175 4176void 4177isp_platform_intr(void *arg) 4178{ 4179 ispsoftc_t *isp = arg; 4180 4181 ISP_LOCK(isp); 4182 ISP_RUN_ISR(isp); 4183 ISP_UNLOCK(isp); 4184} 4185 4186void 4187isp_platform_intr_resp(void *arg) 4188{ 4189 ispsoftc_t *isp = arg; 4190 4191 ISP_LOCK(isp); 4192 isp_intr_respq(isp); 4193 ISP_UNLOCK(isp); 4194 4195 /* We have handshake enabled, so explicitly complete interrupt */ 4196 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4197} 4198 4199void 4200isp_platform_intr_atio(void *arg) 4201{ 4202 ispsoftc_t *isp = arg; 4203 4204 ISP_LOCK(isp); 4205#ifdef ISP_TARGET_MODE 4206 isp_intr_atioq(isp); 4207#endif 4208 ISP_UNLOCK(isp); 4209 4210 /* We have handshake enabled, so explicitly complete interrupt */ 4211 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 4212} 4213 4214void 4215isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 4216{ 4217 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4218 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 4219 } else { 4220 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 4221 } 4222 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 4223} 4224 4225/* 4226 * Reset the command reference number for all LUNs on a specific target 4227 * (needed when a target arrives again) or for all targets on a port 4228 * (needed for events like a LIP). 4229 */ 4230void 4231isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 4232{ 4233 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4234 struct isp_nexus *nxp; 4235 int i; 4236 4237 if (tgt_set == 0) 4238 isp_prt(isp, ISP_LOGDEBUG0, 4239 "Chan %d resetting CRN on all targets", chan); 4240 else 4241 isp_prt(isp, ISP_LOGDEBUG0, 4242 "Chan %d resetting CRN on target %u", chan, tgt); 4243 4244 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 4245 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 4246 if (tgt_set == 0 || tgt == nxp->tgt) 4247 nxp->crnseed = 0; 4248 } 4249 } 4250} 4251 4252int 4253isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 4254{ 4255 lun_id_t lun; 4256 uint32_t chan, tgt; 4257 struct isp_fc *fc; 4258 struct isp_nexus *nxp; 4259 int idx; 4260 4261 if (IS_2100(isp)) 4262 return (0); 4263 4264 chan = XS_CHANNEL(cmd); 4265 tgt = XS_TGT(cmd); 4266 lun = XS_LUN(cmd); 4267 fc = &isp->isp_osinfo.pc.fc[chan]; 4268 idx = NEXUS_HASH(tgt, lun); 4269 nxp = fc->nexus_hash[idx]; 4270 4271 while (nxp) { 4272 if (nxp->tgt == tgt && nxp->lun == lun) 4273 break; 4274 nxp = nxp->next; 4275 } 4276 if (nxp == NULL) { 4277 nxp = fc->nexus_free_list; 4278 if (nxp == NULL) { 4279 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 4280 if (nxp == NULL) { 4281 return (-1); 4282 } 4283 } else { 4284 fc->nexus_free_list = nxp->next; 4285 } 4286 nxp->tgt = tgt; 4287 nxp->lun = lun; 4288 nxp->next = fc->nexus_hash[idx]; 4289 fc->nexus_hash[idx] = nxp; 4290 } 4291 if (nxp->crnseed == 0) 4292 nxp->crnseed = 1; 4293 *crnp = nxp->crnseed++; 4294 return (0); 4295} 4296 4297/* 4298 * We enter with the lock held 4299 */ 4300void 4301isp_timer(void *arg) 4302{ 4303 ispsoftc_t *isp = arg; 4304#ifdef ISP_TARGET_MODE 4305 isp_tmcmd_restart(isp); 4306#endif 4307 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 4308} 4309 4310isp_ecmd_t * 4311isp_get_ecmd(ispsoftc_t *isp) 4312{ 4313 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 4314 if (ecmd) { 4315 isp->isp_osinfo.ecmd_free = ecmd->next; 4316 } 4317 return (ecmd); 4318} 4319 4320void 4321isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 4322{ 4323 ecmd->next = isp->isp_osinfo.ecmd_free; 4324 isp->isp_osinfo.ecmd_free = ecmd; 4325} 4326