1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009-2020 Alexander Motin <mav@FreeBSD.org> 5 * Copyright (c) 1997-2009 by Matthew Jacob 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30/* 31 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters. 32 */ 33#include <sys/cdefs.h> 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 void isp_rq_check_above(ispsoftc_t *); 56static void isp_rq_check_below(ispsoftc_t *); 57static d_ioctl_t ispioctl; 58static void isp_poll(struct cam_sim *); 59static callout_func_t isp_watchdog; 60static callout_func_t isp_gdt; 61static task_fn_t isp_gdt_task; 62static void isp_kthread(void *); 63static void isp_action(struct cam_sim *, union ccb *); 64static int isp_timer_count; 65static void isp_timer(void *); 66 67static struct cdevsw isp_cdevsw = { 68 .d_version = D_VERSION, 69 .d_ioctl = ispioctl, 70 .d_name = "isp", 71}; 72 73static int 74isp_role_sysctl(SYSCTL_HANDLER_ARGS) 75{ 76 ispsoftc_t *isp = (ispsoftc_t *)arg1; 77 int chan = arg2; 78 int error, old, value; 79 80 value = FCPARAM(isp, chan)->role; 81 82 error = sysctl_handle_int(oidp, &value, 0, req); 83 if ((error != 0) || (req->newptr == NULL)) 84 return (error); 85 86 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 87 return (EINVAL); 88 89 ISP_LOCK(isp); 90 old = FCPARAM(isp, chan)->role; 91 92 /* We don't allow target mode switch from here. */ 93 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 94 95 /* If nothing has changed -- we are done. */ 96 if (value == old) { 97 ISP_UNLOCK(isp); 98 return (0); 99 } 100 101 /* Actually change the role. */ 102 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 103 ISP_UNLOCK(isp); 104 return (error); 105} 106 107static int 108isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 109{ 110 fcparam *fcp = FCPARAM(isp, chan); 111 struct isp_fc *fc = ISP_FC_PC(isp, chan); 112 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 113 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 114 char name[16]; 115 struct cam_sim *sim; 116 struct cam_path *path; 117#ifdef ISP_TARGET_MODE 118 int i; 119#endif 120 121 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, 122 device_get_unit(isp->isp_dev), &isp->isp_lock, 123 isp->isp_maxcmds, isp->isp_maxcmds, devq); 124 if (sim == NULL) 125 return (ENOMEM); 126 127 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 128 cam_sim_free(sim, FALSE); 129 return (EIO); 130 } 131 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 132 xpt_bus_deregister(cam_sim_path(sim)); 133 cam_sim_free(sim, FALSE); 134 return (ENXIO); 135 } 136 137 ISP_LOCK(isp); 138 fc->sim = sim; 139 fc->path = path; 140 fc->isp = isp; 141 fc->ready = 1; 142 fcp->isp_use_gft_id = 1; 143 fcp->isp_use_gff_id = 1; 144 145 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0); 146 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 147#ifdef ISP_TARGET_MODE 148 TAILQ_INIT(&fc->waitq); 149 STAILQ_INIT(&fc->ntfree); 150 for (i = 0; i < ATPDPSIZE; i++) 151 STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next); 152 LIST_INIT(&fc->atfree); 153 for (i = ATPDPSIZE-1; i >= 0; i--) 154 LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next); 155 for (i = 0; i < ATPDPHASHSIZE; i++) 156 LIST_INIT(&fc->atused[i]); 157#endif 158 isp_loop_changed(isp, chan); 159 ISP_UNLOCK(isp); 160 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0, 161 "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 162 xpt_free_path(fc->path); 163 xpt_bus_deregister(cam_sim_path(fc->sim)); 164 cam_sim_free(fc->sim, FALSE); 165 return (ENOMEM); 166 } 167 fc->num_threads += 1; 168 if (chan > 0) { 169 snprintf(name, sizeof(name), "chan%d", chan); 170 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 171 OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 172 "Virtual channel"); 173 } 174 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 175 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn, 176 "World Wide Node Name"); 177 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 178 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn, 179 "World Wide Port Name"); 180 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 181 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0, 182 "Loop Down Limit"); 183 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 184 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0, 185 "Gone Device Time"); 186#if defined(ISP_TARGET_MODE) && defined(DEBUG) 187 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 188 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0, 189 "Cause a Lost Frame on a Read"); 190#endif 191 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 192 "role", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, 193 isp, chan, isp_role_sysctl, "I", "Current role"); 194 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 195 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0, 196 "Connection speed in gigabits"); 197 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 198 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0, 199 "Link state"); 200 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 201 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0, 202 "Firmware state"); 203 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 204 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0, 205 "Loop state"); 206 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 207 "topo", CTLFLAG_RD, &fcp->isp_topo, 0, 208 "Connection topology"); 209 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 210 "use_gft_id", CTLFLAG_RWTUN, &fcp->isp_use_gft_id, 0, 211 "Use GFT_ID during fabric scan"); 212 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 213 "use_gff_id", CTLFLAG_RWTUN, &fcp->isp_use_gff_id, 0, 214 "Use GFF_ID during fabric scan"); 215 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 216 "fw_version_flash", CTLFLAG_RD, fcp->fw_version_flash, 0, 217 "Firmware version in (active) flash region"); 218 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 219 "fw_version_ispfw", CTLFLAG_RD, fcp->fw_version_ispfw, 0, 220 "Firmware version loaded from ispfw(4)"); 221 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 222 "fw_version_run", CTLFLAG_RD, fcp->fw_version_run, 0, 223 "Firmware version currently running"); 224 return (0); 225} 226 227static void 228isp_detach_chan(ispsoftc_t *isp, int chan) 229{ 230 struct isp_fc *fc = ISP_FC_PC(isp, chan); 231 232 xpt_free_path(fc->path); 233 xpt_bus_deregister(cam_sim_path(fc->sim)); 234 cam_sim_free(fc->sim, FALSE); 235 236 /* Wait for the channel's spawned threads to exit. */ 237 wakeup(fc); 238 while (fc->num_threads != 0) 239 mtx_sleep(&fc->num_threads, &isp->isp_lock, PRIBIO, "isp_reap", 0); 240} 241 242int 243isp_attach(ispsoftc_t *isp) 244{ 245 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 246 int du = device_get_unit(isp->isp_dev); 247 int chan; 248 249 /* 250 * Create the device queue for our SIM(s). 251 */ 252 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 253 if (isp->isp_osinfo.devq == NULL) { 254 return (EIO); 255 } 256 257 for (chan = 0; chan < isp->isp_nchan; chan++) { 258 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 259 goto unwind; 260 } 261 } 262 263 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0); 264 isp_timer_count = hz >> 2; 265 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 266 267 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 268 if (isp->isp_osinfo.cdev) { 269 isp->isp_osinfo.cdev->si_drv1 = isp; 270 } 271 return (0); 272 273unwind: 274 ISP_LOCK(isp); 275 isp->isp_osinfo.is_exiting = 1; 276 while (--chan >= 0) 277 isp_detach_chan(isp, chan); 278 ISP_UNLOCK(isp); 279 cam_simq_free(isp->isp_osinfo.devq); 280 isp->isp_osinfo.devq = NULL; 281 return (-1); 282} 283 284int 285isp_detach(ispsoftc_t *isp) 286{ 287 int chan; 288 289 if (isp->isp_osinfo.cdev) { 290 destroy_dev(isp->isp_osinfo.cdev); 291 isp->isp_osinfo.cdev = NULL; 292 } 293 ISP_LOCK(isp); 294 /* Tell spawned threads that we're exiting. */ 295 isp->isp_osinfo.is_exiting = 1; 296 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 297 isp_detach_chan(isp, chan); 298 ISP_UNLOCK(isp); 299 callout_drain(&isp->isp_osinfo.tmo); 300 cam_simq_free(isp->isp_osinfo.devq); 301 return (0); 302} 303 304static void 305isp_freeze_loopdown(ispsoftc_t *isp, int chan) 306{ 307 struct isp_fc *fc = ISP_FC_PC(isp, chan); 308 309 if (fc->sim == NULL) 310 return; 311 if (fc->simqfrozen == 0) { 312 isp_prt(isp, ISP_LOGDEBUG0, 313 "Chan %d Freeze simq (loopdown)", chan); 314 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 315 xpt_hold_boot(); 316 xpt_freeze_simq(fc->sim, 1); 317 } else { 318 isp_prt(isp, ISP_LOGDEBUG0, 319 "Chan %d Mark simq frozen (loopdown)", chan); 320 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 321 } 322} 323 324static void 325isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 326{ 327 struct isp_fc *fc = ISP_FC_PC(isp, chan); 328 329 if (fc->sim == NULL) 330 return; 331 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 332 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 333 if (wasfrozen && fc->simqfrozen == 0) { 334 isp_prt(isp, ISP_LOGDEBUG0, 335 "Chan %d Release simq", chan); 336 xpt_release_simq(fc->sim, 1); 337 xpt_release_boot(); 338 } 339} 340 341/* 342 * Functions to protect from request queue overflow by freezing SIM queue. 343 * XXX: freezing only one arbitrary SIM, since they all share the queue. 344 */ 345static void 346isp_rq_check_above(ispsoftc_t *isp) 347{ 348 struct isp_fc *fc = ISP_FC_PC(isp, 0); 349 350 if (isp->isp_rqovf || fc->sim == NULL) 351 return; 352 if (!isp_rqentry_avail(isp, QENTRY_MAX)) { 353 xpt_freeze_simq(fc->sim, 1); 354 isp->isp_rqovf = 1; 355 } 356} 357 358static void 359isp_rq_check_below(ispsoftc_t *isp) 360{ 361 struct isp_fc *fc = ISP_FC_PC(isp, 0); 362 363 if (!isp->isp_rqovf || fc->sim == NULL) 364 return; 365 if (isp_rqentry_avail(isp, QENTRY_MAX)) { 366 xpt_release_simq(fc->sim, 0); 367 isp->isp_rqovf = 0; 368 } 369} 370 371static int 372ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 373{ 374 ispsoftc_t *isp; 375 int nr, chan, retval = ENOTTY; 376 377 isp = dev->si_drv1; 378 379 switch (c) { 380 case ISP_SDBLEV: 381 { 382 int olddblev = isp->isp_dblev; 383 isp->isp_dblev = *(int *)addr; 384 *(int *)addr = olddblev; 385 retval = 0; 386 break; 387 } 388 case ISP_GETROLE: 389 chan = *(int *)addr; 390 if (chan < 0 || chan >= isp->isp_nchan) { 391 retval = -ENXIO; 392 break; 393 } 394 *(int *)addr = FCPARAM(isp, chan)->role; 395 retval = 0; 396 break; 397 case ISP_SETROLE: 398 nr = *(int *)addr; 399 chan = nr >> 8; 400 if (chan < 0 || chan >= isp->isp_nchan) { 401 retval = -ENXIO; 402 break; 403 } 404 nr &= 0xff; 405 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 406 retval = EINVAL; 407 break; 408 } 409 ISP_LOCK(isp); 410 *(int *)addr = FCPARAM(isp, chan)->role; 411 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 412 ISP_UNLOCK(isp); 413 break; 414 415 case ISP_RESETHBA: 416 ISP_LOCK(isp); 417 isp_reinit(isp, 0); 418 ISP_UNLOCK(isp); 419 retval = 0; 420 break; 421 422 case ISP_RESCAN: 423 chan = *(intptr_t *)addr; 424 if (chan < 0 || chan >= isp->isp_nchan) { 425 retval = -ENXIO; 426 break; 427 } 428 ISP_LOCK(isp); 429 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) { 430 retval = EIO; 431 } else { 432 retval = 0; 433 } 434 ISP_UNLOCK(isp); 435 break; 436 437 case ISP_FC_LIP: 438 chan = *(intptr_t *)addr; 439 if (chan < 0 || chan >= isp->isp_nchan) { 440 retval = -ENXIO; 441 break; 442 } 443 ISP_LOCK(isp); 444 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 445 retval = EIO; 446 } else { 447 retval = 0; 448 } 449 ISP_UNLOCK(isp); 450 break; 451 case ISP_FC_GETDINFO: 452 { 453 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 454 fcportdb_t *lp; 455 456 if (ifc->loopid >= MAX_FC_TARG) { 457 retval = EINVAL; 458 break; 459 } 460 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 461 if (lp->state != FC_PORTDB_STATE_NIL) { 462 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 463 ifc->loopid = lp->handle; 464 ifc->portid = lp->portid; 465 ifc->node_wwn = lp->node_wwn; 466 ifc->port_wwn = lp->port_wwn; 467 retval = 0; 468 } else { 469 retval = ENODEV; 470 } 471 break; 472 } 473 case ISP_FC_GETHINFO: 474 { 475 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 476 int chan = hba->fc_channel; 477 478 if (chan < 0 || chan >= isp->isp_nchan) { 479 retval = ENXIO; 480 break; 481 } 482 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 483 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 484 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 485 hba->fc_nchannels = isp->isp_nchan; 486 hba->fc_nports = MAX_FC_TARG; 487 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 488 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 489 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 490 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 491 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 492 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 493 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 494 retval = 0; 495 break; 496 } 497 case ISP_TSK_MGMT: 498 { 499 int needmarker; 500 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 501 uint16_t nphdl; 502 isp24xx_tmf_t tmf; 503 isp24xx_statusreq_t sp; 504 fcparam *fcp; 505 fcportdb_t *lp; 506 int i; 507 508 chan = fct->chan; 509 if (chan < 0 || chan >= isp->isp_nchan) { 510 retval = -ENXIO; 511 break; 512 } 513 514 needmarker = retval = 0; 515 nphdl = fct->loopid; 516 ISP_LOCK(isp); 517 fcp = FCPARAM(isp, chan); 518 519 for (i = 0; i < MAX_FC_TARG; i++) { 520 lp = &fcp->portdb[i]; 521 if (lp->handle == nphdl) { 522 break; 523 } 524 } 525 if (i == MAX_FC_TARG) { 526 retval = ENXIO; 527 ISP_UNLOCK(isp); 528 break; 529 } 530 ISP_MEMZERO(&tmf, sizeof(tmf)); 531 tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 532 tmf.tmf_header.rqs_entry_count = 1; 533 tmf.tmf_nphdl = lp->handle; 534 tmf.tmf_delay = 2; 535 tmf.tmf_timeout = 4; 536 tmf.tmf_tidlo = lp->portid; 537 tmf.tmf_tidhi = lp->portid >> 16; 538 tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan); 539 tmf.tmf_lun[1] = fct->lun & 0xff; 540 if (fct->lun >= 256) { 541 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8); 542 } 543 switch (fct->action) { 544 case IPT_CLEAR_ACA: 545 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA; 546 break; 547 case IPT_TARGET_RESET: 548 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET; 549 needmarker = 1; 550 break; 551 case IPT_LUN_RESET: 552 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET; 553 needmarker = 1; 554 break; 555 case IPT_CLEAR_TASK_SET: 556 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 557 needmarker = 1; 558 break; 559 case IPT_ABORT_TASK_SET: 560 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 561 needmarker = 1; 562 break; 563 default: 564 retval = EINVAL; 565 break; 566 } 567 if (retval) { 568 ISP_UNLOCK(isp); 569 break; 570 } 571 572 retval = isp_exec_entry_queue(isp, &tmf, &sp, 5); 573 if (retval != 0) { 574 isp_prt(isp, ISP_LOGERR, "%s: TMF of chan %d error %d", 575 __func__, chan, retval); 576 ISP_UNLOCK(isp); 577 break; 578 } 579 580 if (sp.req_completion_status != 0) 581 retval = EIO; 582 else if (needmarker) 583 fcp->sendmarker = 1; 584 ISP_UNLOCK(isp); 585 break; 586 } 587 default: 588 break; 589 } 590 return (retval); 591} 592 593/* 594 * Local Inlines 595 */ 596 597static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 598static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 599 600static ISP_INLINE int 601isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 602{ 603 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 604 if (ISP_PCMD(ccb) == NULL) { 605 return (-1); 606 } 607 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 608 return (0); 609} 610 611static ISP_INLINE void 612isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 613{ 614 if (ISP_PCMD(ccb)) { 615#ifdef ISP_TARGET_MODE 616 PISP_PCMD(ccb)->datalen = 0; 617#endif 618 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 619 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 620 ISP_PCMD(ccb) = NULL; 621 } 622} 623 624/* 625 * Put the target mode functions here, because some are inlines 626 */ 627#ifdef ISP_TARGET_MODE 628static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 629static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t); 630static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t); 631static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *); 632static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int); 633static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t); 634static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *); 635static tstate_t *create_lun_state(ispsoftc_t *, int, struct cam_path *); 636static void destroy_lun_state(ispsoftc_t *, int, tstate_t *); 637static void isp_enable_lun(ispsoftc_t *, union ccb *); 638static void isp_disable_lun(ispsoftc_t *, union ccb *); 639static callout_func_t isp_refire_notify_ack; 640static void isp_complete_ctio(ispsoftc_t *isp, union ccb *); 641enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 642static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 643static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 644static void isp_handle_platform_ctio(ispsoftc_t *, ct7_entry_t *); 645static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp); 646static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 647static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t); 648 649static ISP_INLINE tstate_t * 650get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 651{ 652 struct isp_fc *fc = ISP_FC_PC(isp, bus); 653 tstate_t *tptr; 654 655 SLIST_FOREACH(tptr, &fc->lun_hash[LUN_HASH_FUNC(lun)], next) { 656 if (tptr->ts_lun == lun) 657 return (tptr); 658 } 659 return (NULL); 660} 661 662static int 663isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr) 664{ 665 inot_private_data_t *ntp; 666 struct ntpdlist rq; 667 668 if (STAILQ_EMPTY(&tptr->restart_queue)) 669 return (0); 670 STAILQ_INIT(&rq); 671 STAILQ_CONCAT(&rq, &tptr->restart_queue); 672 while ((ntp = STAILQ_FIRST(&rq)) != NULL) { 673 STAILQ_REMOVE_HEAD(&rq, next); 674 isp_prt(isp, ISP_LOGTDEBUG0, 675 "%s: restarting resrc deprived %x", __func__, 676 ((at7_entry_t *)ntp->data)->at_rxid); 677 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data); 678 isp_put_ntpd(isp, bus, ntp); 679 if (!STAILQ_EMPTY(&tptr->restart_queue)) 680 break; 681 } 682 if (!STAILQ_EMPTY(&rq)) { 683 STAILQ_CONCAT(&rq, &tptr->restart_queue); 684 STAILQ_CONCAT(&tptr->restart_queue, &rq); 685 } 686 return (!STAILQ_EMPTY(&tptr->restart_queue)); 687} 688 689static void 690isp_tmcmd_restart(ispsoftc_t *isp) 691{ 692 struct isp_fc *fc; 693 tstate_t *tptr; 694 union ccb *ccb; 695 int bus, i; 696 697 for (bus = 0; bus < isp->isp_nchan; bus++) { 698 fc = ISP_FC_PC(isp, bus); 699 for (i = 0; i < LUN_HASH_SIZE; i++) { 700 SLIST_FOREACH(tptr, &fc->lun_hash[i], next) 701 isp_atio_restart(isp, bus, tptr); 702 } 703 704 /* 705 * We only need to do this once per channel. 706 */ 707 ccb = (union ccb *)TAILQ_FIRST(&fc->waitq); 708 if (ccb != NULL) { 709 TAILQ_REMOVE(&fc->waitq, &ccb->ccb_h, sim_links.tqe); 710 isp_target_start_ctio(isp, ccb, FROM_TIMER); 711 } 712 } 713 isp_rq_check_above(isp); 714 isp_rq_check_below(isp); 715} 716 717static atio_private_data_t * 718isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 719{ 720 struct isp_fc *fc = ISP_FC_PC(isp, chan); 721 atio_private_data_t *atp; 722 723 atp = LIST_FIRST(&fc->atfree); 724 if (atp) { 725 LIST_REMOVE(atp, next); 726 atp->tag = tag; 727 LIST_INSERT_HEAD(&fc->atused[ATPDPHASH(tag)], atp, next); 728 } 729 return (atp); 730} 731 732static atio_private_data_t * 733isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag) 734{ 735 struct isp_fc *fc = ISP_FC_PC(isp, chan); 736 atio_private_data_t *atp; 737 738 LIST_FOREACH(atp, &fc->atused[ATPDPHASH(tag)], next) { 739 if (atp->tag == tag) 740 return (atp); 741 } 742 return (NULL); 743} 744 745static void 746isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp) 747{ 748 struct isp_fc *fc = ISP_FC_PC(isp, chan); 749 750 if (atp->ests) 751 isp_put_ecmd(isp, atp->ests); 752 LIST_REMOVE(atp, next); 753 memset(atp, 0, sizeof (*atp)); 754 LIST_INSERT_HEAD(&fc->atfree, atp, next); 755} 756 757static void 758isp_dump_atpd(ispsoftc_t *isp, int chan) 759{ 760 struct isp_fc *fc = ISP_FC_PC(isp, chan); 761 atio_private_data_t *atp; 762 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 763 764 for (atp = fc->atpool; atp < &fc->atpool[ATPDPSIZE]; atp++) { 765 if (atp->state == ATPD_STATE_FREE) 766 continue; 767 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", 768 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]); 769 } 770} 771 772static inot_private_data_t * 773isp_get_ntpd(ispsoftc_t *isp, int chan) 774{ 775 struct isp_fc *fc = ISP_FC_PC(isp, chan); 776 inot_private_data_t *ntp; 777 778 ntp = STAILQ_FIRST(&fc->ntfree); 779 if (ntp) 780 STAILQ_REMOVE_HEAD(&fc->ntfree, next); 781 return (ntp); 782} 783 784static inot_private_data_t * 785isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id) 786{ 787 struct isp_fc *fc = ISP_FC_PC(isp, chan); 788 inot_private_data_t *ntp; 789 790 for (ntp = fc->ntpool; ntp < &fc->ntpool[ATPDPSIZE]; ntp++) { 791 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id) 792 return (ntp); 793 } 794 return (NULL); 795} 796 797static void 798isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp) 799{ 800 struct isp_fc *fc = ISP_FC_PC(isp, chan); 801 802 ntp->tag_id = ntp->seq_id = 0; 803 STAILQ_INSERT_HEAD(&fc->ntfree, ntp, next); 804} 805 806tstate_t * 807create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path) 808{ 809 struct isp_fc *fc = ISP_FC_PC(isp, bus); 810 lun_id_t lun; 811 tstate_t *tptr; 812 813 lun = xpt_path_lun_id(path); 814 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 815 if (tptr == NULL) 816 return (NULL); 817 tptr->ts_lun = lun; 818 SLIST_INIT(&tptr->atios); 819 SLIST_INIT(&tptr->inots); 820 STAILQ_INIT(&tptr->restart_queue); 821 SLIST_INSERT_HEAD(&fc->lun_hash[LUN_HASH_FUNC(lun)], tptr, next); 822 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 823 return (tptr); 824} 825 826static void 827destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr) 828{ 829 struct isp_fc *fc = ISP_FC_PC(isp, bus); 830 union ccb *ccb; 831 inot_private_data_t *ntp; 832 833 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) { 834 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 835 ccb->ccb_h.status = CAM_REQ_ABORTED; 836 xpt_done(ccb); 837 }; 838 while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) { 839 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 840 ccb->ccb_h.status = CAM_REQ_ABORTED; 841 xpt_done(ccb); 842 } 843 while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) { 844 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0); 845 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next); 846 isp_put_ntpd(isp, bus, ntp); 847 } 848 SLIST_REMOVE(&fc->lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], tptr, tstate, next); 849 free(tptr, M_DEVBUF); 850} 851 852static void 853isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 854{ 855 tstate_t *tptr; 856 int bus = XS_CHANNEL(ccb); 857 target_id_t target = ccb->ccb_h.target_id; 858 lun_id_t lun = ccb->ccb_h.target_lun; 859 860 /* 861 * We only support either target and lun both wildcard 862 * or target and lun both non-wildcard. 863 */ 864 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 865 "enabling lun %jx\n", (uintmax_t)lun); 866 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 867 ccb->ccb_h.status = CAM_LUN_INVALID; 868 xpt_done(ccb); 869 return; 870 } 871 872 /* Create the state pointer. It should not already exist. */ 873 tptr = get_lun_statep(isp, bus, lun); 874 if (tptr) { 875 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 876 xpt_done(ccb); 877 return; 878 } 879 tptr = create_lun_state(isp, bus, ccb->ccb_h.path); 880 if (tptr == NULL) { 881 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 882 xpt_done(ccb); 883 return; 884 } 885 886 ccb->ccb_h.status = CAM_REQ_CMP; 887 xpt_done(ccb); 888} 889 890static void 891isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 892{ 893 tstate_t *tptr; 894 int bus = XS_CHANNEL(ccb); 895 target_id_t target = ccb->ccb_h.target_id; 896 lun_id_t lun = ccb->ccb_h.target_lun; 897 898 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, 899 "disabling lun %jx\n", (uintmax_t)lun); 900 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) { 901 ccb->ccb_h.status = CAM_LUN_INVALID; 902 xpt_done(ccb); 903 return; 904 } 905 906 /* Find the state pointer. */ 907 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 908 ccb->ccb_h.status = CAM_PATH_INVALID; 909 xpt_done(ccb); 910 return; 911 } 912 913 destroy_lun_state(isp, bus, tptr); 914 ccb->ccb_h.status = CAM_REQ_CMP; 915 xpt_done(ccb); 916} 917 918static void 919isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 920{ 921 int fctape, sendstatus, resid; 922 fcparam *fcp; 923 atio_private_data_t *atp; 924 struct ccb_scsiio *cso; 925 struct isp_ccbq *waitq; 926 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 927 ct7_entry_t local, *cto = &local; 928 929 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, 930 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 931 932 waitq = &ISP_FC_PC(isp, XS_CHANNEL(ccb))->waitq; 933 switch (how) { 934 case FROM_CAM: 935 /* 936 * Insert at the tail of the list, if any, waiting CTIO CCBs 937 */ 938 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe); 939 break; 940 case FROM_TIMER: 941 case FROM_SRR: 942 case FROM_CTIO_DONE: 943 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 944 break; 945 } 946 947 while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) { 948 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe); 949 950 cso = &ccb->csio; 951 xfrlen = cso->dxfer_len; 952 if (xfrlen == 0) { 953 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 954 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 955 ccb->ccb_h.status = CAM_REQ_INVALID; 956 xpt_done(ccb); 957 continue; 958 } 959 } 960 961 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id); 962 if (atp == NULL) { 963 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 964 isp_dump_atpd(isp, XS_CHANNEL(ccb)); 965 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 966 xpt_done(ccb); 967 continue; 968 } 969 970 /* 971 * Is this command a dead duck? 972 */ 973 if (atp->dead) { 974 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 975 ccb->ccb_h.status = CAM_REQ_ABORTED; 976 xpt_done(ccb); 977 continue; 978 } 979 980 /* 981 * Check to make sure we're still in target mode. 982 */ 983 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 984 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 985 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 986 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 987 xpt_done(ccb); 988 continue; 989 } 990 991 /* 992 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 993 * could be split into two CTIOs to split data and status). 994 */ 995 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 996 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); 997 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 998 break; 999 } 1000 1001 /* 1002 * Does the initiator expect FC-Tape style responses? 1003 */ 1004 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1005 fctape = 1; 1006 } else { 1007 fctape = 0; 1008 } 1009 1010 /* 1011 * If we already did the data xfer portion of a CTIO that sends data 1012 * and status, don't do it again and do the status portion now. 1013 */ 1014 if (atp->sendst) { 1015 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1016 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1017 xfrlen = 0; /* we already did the data transfer */ 1018 atp->sendst = 0; 1019 } 1020 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1021 sendstatus = 1; 1022 } else { 1023 sendstatus = 0; 1024 } 1025 1026 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1027 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1028 /* 1029 * Sense length is not the entire sense data structure size. Periph 1030 * drivers don't seem to be setting sense_len to reflect the actual 1031 * size. We'll peek inside to get the right amount. 1032 */ 1033 sense_length = cso->sense_len; 1034 1035 /* 1036 * This 'cannot' happen 1037 */ 1038 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1039 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1040 } 1041 } else { 1042 sense_length = 0; 1043 } 1044 1045 /* 1046 * Check for overflow 1047 */ 1048 tmp = atp->bytes_xfered + atp->bytes_in_transit; 1049 if (xfrlen > 0 && tmp > atp->orig_datalen) { 1050 isp_prt(isp, ISP_LOGERR, 1051 "%s: [0x%x] data overflow by %u bytes", __func__, 1052 cso->tag_id, tmp + xfrlen - atp->orig_datalen); 1053 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1054 xpt_done(ccb); 1055 continue; 1056 } 1057 if (xfrlen > atp->orig_datalen - tmp) { 1058 xfrlen = atp->orig_datalen - tmp; 1059 if (xfrlen == 0 && !sendstatus) { 1060 cso->resid = cso->dxfer_len; 1061 ccb->ccb_h.status = CAM_REQ_CMP; 1062 xpt_done(ccb); 1063 continue; 1064 } 1065 } 1066 1067 memset(cto, 0, QENTRY_LEN); 1068 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1069 cto->ct_header.rqs_entry_count = 1; 1070 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1071 ATPD_SET_SEQNO(cto, atp); 1072 cto->ct_nphdl = atp->nphdl; 1073 cto->ct_rxid = atp->tag; 1074 cto->ct_iid_lo = atp->sid; 1075 cto->ct_iid_hi = atp->sid >> 16; 1076 cto->ct_oxid = atp->oxid; 1077 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1078 cto->ct_timeout = XS_TIME(ccb); 1079 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1080 1081 /* 1082 * Mode 1, status, no data. Only possible when we are sending status, have 1083 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1084 * 1085 * Mode 2, status, no data. We have to use this in the case that 1086 * the sense data won't fit into a ct7_entry_t. 1087 * 1088 */ 1089 if (sendstatus && xfrlen == 0) { 1090 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1091 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1092 if (sense_length <= MAXRESPLEN_24XX) { 1093 cto->ct_flags |= CT7_FLAG_MODE1; 1094 cto->ct_scsi_status = cso->scsi_status; 1095 if (resid < 0) { 1096 cto->ct_resid = -resid; 1097 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1098 } else if (resid > 0) { 1099 cto->ct_resid = resid; 1100 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1101 } 1102 if (fctape) { 1103 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1104 } 1105 if (sense_length) { 1106 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1107 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1108 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1109 } 1110 } else { 1111 bus_addr_t addr; 1112 fcp_rsp_iu_t rp; 1113 1114 if (atp->ests == NULL) { 1115 atp->ests = isp_get_ecmd(isp); 1116 if (atp->ests == NULL) { 1117 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1118 break; 1119 } 1120 } 1121 memset(&rp, 0, sizeof(rp)); 1122 if (fctape) { 1123 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1124 rp.fcp_rsp_bits |= FCP_CONF_REQ; 1125 } 1126 cto->ct_flags |= CT7_FLAG_MODE2; 1127 rp.fcp_rsp_scsi_status = cso->scsi_status; 1128 if (resid < 0) { 1129 rp.fcp_rsp_resid = -resid; 1130 rp.fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1131 } else if (resid > 0) { 1132 rp.fcp_rsp_resid = resid; 1133 rp.fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1134 } 1135 if (sense_length) { 1136 rp.fcp_rsp_snslen = sense_length; 1137 cto->ct_senselen = sense_length; 1138 rp.fcp_rsp_bits |= FCP_SNSLEN_VALID; 1139 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1140 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1141 } else { 1142 isp_put_fcp_rsp_iu(isp, &rp, atp->ests); 1143 } 1144 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1145 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1146 } 1147 bus_dmamap_sync(isp->isp_osinfo.ecmd_dmat, isp->isp_osinfo.ecmd_map, BUS_DMASYNC_PREWRITE); 1148 addr = isp->isp_osinfo.ecmd_dma; 1149 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1150 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, 1151 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1152 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1153 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1154 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1155 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1156 } 1157 if (sense_length) { 1158 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__, 1159 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, 1160 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1161 } else { 1162 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1163 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1164 } 1165 atp->state = ATPD_STATE_LAST_CTIO; 1166 } 1167 1168 /* 1169 * Mode 0 data transfers, *possibly* with status. 1170 */ 1171 if (xfrlen != 0) { 1172 cto->ct_flags |= CT7_FLAG_MODE0; 1173 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1174 cto->ct_flags |= CT7_DATA_IN; 1175 } else { 1176 cto->ct_flags |= CT7_DATA_OUT; 1177 } 1178 1179 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1180 cto->rsp.m0.ct_xfrlen = xfrlen; 1181 1182#ifdef DEBUG 1183 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1184 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1185 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1186 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1187 } 1188#endif 1189 if (sendstatus) { 1190 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1191 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1192 cto->ct_flags |= CT7_SENDSTATUS; 1193 atp->state = ATPD_STATE_LAST_CTIO; 1194 if (fctape) { 1195 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1196 } 1197 } else { 1198 atp->sendst = 1; /* send status later */ 1199 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1200 atp->state = ATPD_STATE_CTIO; 1201 } 1202 } else { 1203 atp->state = ATPD_STATE_CTIO; 1204 } 1205 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__, 1206 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1207 } 1208 1209 if (isp_get_pcmd(isp, ccb)) { 1210 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 1211 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1212 break; 1213 } 1214 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET); 1215 if (handle == 0) { 1216 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 1217 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1218 isp_free_pcmd(isp, ccb); 1219 break; 1220 } 1221 atp->bytes_in_transit += xfrlen; 1222 PISP_PCMD(ccb)->datalen = xfrlen; 1223 1224 /* 1225 * Call the dma setup routines for this entry (and any subsequent 1226 * CTIOs) if there's data to move, and then tell the f/w it's got 1227 * new things to play with. As with isp_start's usage of DMA setup, 1228 * any swizzling is done in the machine dependent layer. Because 1229 * of this, we put the request onto the queue area first in native 1230 * format. 1231 */ 1232 cto->ct_syshandle = handle; 1233 dmaresult = ISP_DMASETUP(isp, cso, cto); 1234 if (dmaresult != 0) { 1235 isp_destroy_handle(isp, handle); 1236 isp_free_pcmd(isp, ccb); 1237 if (dmaresult == CMD_EAGAIN) { 1238 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe); 1239 break; 1240 } 1241 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1242 xpt_done(ccb); 1243 continue; 1244 } 1245 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 1246 if (xfrlen) { 1247 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 1248 } else { 1249 ccb->ccb_h.spriv_field0 = ~0; 1250 } 1251 atp->ctcnt++; 1252 atp->seqno++; 1253 } 1254} 1255 1256static void 1257isp_refire_notify_ack(void *arg) 1258{ 1259 isp_tna_t *tp = arg; 1260 ispsoftc_t *isp = tp->isp; 1261 1262 ISP_ASSERT_LOCKED(isp); 1263 if (isp_notify_ack(isp, tp->not)) { 1264 callout_schedule(&tp->timer, 5); 1265 } else { 1266 free(tp, M_DEVBUF); 1267 } 1268} 1269 1270 1271static void 1272isp_complete_ctio(ispsoftc_t *isp, union ccb *ccb) 1273{ 1274 1275 isp_rq_check_below(isp); 1276 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1277 xpt_done(ccb); 1278} 1279 1280static void 1281isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 1282{ 1283 int cdbxlen; 1284 lun_id_t lun; 1285 uint16_t chan, nphdl = NIL_HANDLE; 1286 uint32_t did, sid; 1287 fcportdb_t *lp; 1288 tstate_t *tptr; 1289 struct ccb_accept_tio *atiop; 1290 atio_private_data_t *atp = NULL; 1291 atio_private_data_t *oatp; 1292 inot_private_data_t *ntp; 1293 1294 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 1295 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1296 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 1297 1298 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 1299 /* Channel has to be derived from D_ID */ 1300 isp_find_chan_by_did(isp, did, &chan); 1301 if (chan == ISP_NOCHAN) { 1302 isp_prt(isp, ISP_LOGWARN, 1303 "%s: [RX_ID 0x%x] D_ID %x not found on any channel", 1304 __func__, aep->at_rxid, did); 1305 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 1306 ECMD_TERMINATE, 0); 1307 return; 1308 } 1309 } else { 1310 chan = 0; 1311 } 1312 1313 /* 1314 * Find the PDB entry for this initiator 1315 */ 1316 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) { 1317 /* 1318 * If we're not in the port database terminate the exchange. 1319 */ 1320 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", 1321 __func__, aep->at_rxid, did, chan, sid); 1322 isp_dump_portdb(isp, chan); 1323 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 1324 return; 1325 } 1326 nphdl = lp->handle; 1327 1328 /* 1329 * Get the tstate pointer 1330 */ 1331 tptr = get_lun_statep(isp, chan, lun); 1332 if (tptr == NULL) { 1333 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 1334 if (tptr == NULL) { 1335 isp_prt(isp, ISP_LOGWARN, 1336 "%s: [0x%x] no state pointer for lun %jx or wildcard", 1337 __func__, aep->at_rxid, (uintmax_t)lun); 1338 if (lun == 0) { 1339 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1340 } else { 1341 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 1342 } 1343 return; 1344 } 1345 } 1346 1347 /* 1348 * Start any commands pending resources first. 1349 */ 1350 if (isp_atio_restart(isp, chan, tptr)) 1351 goto noresrc; 1352 1353 /* 1354 * If the f/w is out of resources, just send a BUSY status back. 1355 */ 1356 if (aep->at_rxid == AT7_NORESRC_RXID) { 1357 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1358 return; 1359 } 1360 1361 /* 1362 * If we're out of resources, just send a BUSY status back. 1363 */ 1364 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 1365 if (atiop == NULL) { 1366 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 1367 goto noresrc; 1368 } 1369 1370 oatp = isp_find_atpd(isp, chan, aep->at_rxid); 1371 if (oatp) { 1372 isp_prt(isp, oatp->state == ATPD_STATE_LAST_CTIO ? ISP_LOGTDEBUG0 : 1373 ISP_LOGWARN, "[0x%x] tag wraparound (N-Port Handle " 1374 "0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d", 1375 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 1376 /* 1377 * It's not a "no resource" condition- but we can treat it like one 1378 */ 1379 goto noresrc; 1380 } 1381 atp = isp_get_atpd(isp, chan, aep->at_rxid); 1382 if (atp == NULL) { 1383 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 1384 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 1385 return; 1386 } 1387 atp->word3 = lp->prli_word3; 1388 atp->state = ATPD_STATE_ATIO; 1389 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1390 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n"); 1391 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 1392 atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1393 atiop->ccb_h.target_lun = lun; 1394 atiop->sense_len = 0; 1395 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 1396 if (cdbxlen) { 1397 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 1398 } 1399 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 1400 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 1401 atiop->cdb_len = cdbxlen; 1402 atiop->ccb_h.status = CAM_CDB_RECVD; 1403 atiop->tag_id = atp->tag; 1404 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 1405 case FCP_CMND_TASK_ATTR_SIMPLE: 1406 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1407 atiop->tag_action = MSG_SIMPLE_TASK; 1408 break; 1409 case FCP_CMND_TASK_ATTR_HEAD: 1410 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1411 atiop->tag_action = MSG_HEAD_OF_QUEUE_TASK; 1412 break; 1413 case FCP_CMND_TASK_ATTR_ORDERED: 1414 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1415 atiop->tag_action = MSG_ORDERED_TASK; 1416 break; 1417 case FCP_CMND_TASK_ATTR_ACA: 1418 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 1419 atiop->tag_action = MSG_ACA_TASK; 1420 break; 1421 case FCP_CMND_TASK_ATTR_UNTAGGED: 1422 default: 1423 atiop->tag_action = 0; 1424 break; 1425 } 1426 atiop->priority = (aep->at_cmnd.fcp_cmnd_task_attribute & 1427 FCP_CMND_PRIO_MASK) >> FCP_CMND_PRIO_SHIFT; 1428 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 1429 atp->bytes_xfered = 0; 1430 atp->lun = lun; 1431 atp->nphdl = nphdl; 1432 atp->sid = sid; 1433 atp->did = did; 1434 atp->oxid = aep->at_hdr.ox_id; 1435 atp->rxid = aep->at_hdr.rx_id; 1436 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 1437 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 1438 atp->state = ATPD_STATE_CAM; 1439 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u", 1440 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen); 1441 xpt_done((union ccb *)atiop); 1442 return; 1443noresrc: 1444 KASSERT(atp == NULL, ("%s: atp is not NULL on noresrc!\n", __func__)); 1445 ntp = isp_get_ntpd(isp, chan); 1446 if (ntp == NULL) { 1447 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 1448 return; 1449 } 1450 memcpy(ntp->data, aep, QENTRY_LEN); 1451 STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next); 1452} 1453 1454 1455/* 1456 * Handle starting an SRR (sequence retransmit request) 1457 * We get here when we've gotten the immediate notify 1458 * and the return of all outstanding CTIOs for this 1459 * transaction. 1460 */ 1461static void 1462isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp) 1463{ 1464 in_fcentry_24xx_t *inot; 1465 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 1466 union ccb *ccb; 1467 1468 inot = (in_fcentry_24xx_t *)atp->srr; 1469 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 1470 ccb = atp->srr_ccb; 1471 atp->srr_ccb = NULL; 1472 atp->nsrr++; 1473 if (ccb == NULL) { 1474 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 1475 goto fail; 1476 } 1477 1478 ccb_off = ccb->ccb_h.spriv_field0; 1479 ccb_len = ccb->csio.dxfer_len; 1480 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 1481 1482 switch (inot->in_srr_iu) { 1483 case R_CTL_INFO_SOLICITED_DATA: 1484 /* 1485 * We have to restart a FCP_DATA data out transaction 1486 */ 1487 atp->sendst = 0; 1488 atp->bytes_xfered = srr_off; 1489 if (ccb_len == 0) { 1490 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 1491 goto mdp; 1492 } 1493 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 1494 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); 1495 goto mdp; 1496 } 1497 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); 1498 break; 1499 case R_CTL_INFO_COMMAND_STATUS: 1500 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 1501 atp->sendst = 1; 1502 /* 1503 * We have to restart a FCP_RSP IU transaction 1504 */ 1505 break; 1506 case R_CTL_INFO_DATA_DESCRIPTOR: 1507 /* 1508 * We have to restart an FCP DATA in transaction 1509 */ 1510 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 1511 goto fail; 1512 1513 default: 1514 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 1515 goto fail; 1516 } 1517 1518 /* 1519 * We can't do anything until this is acked, so we might as well start it now. 1520 * We aren't going to do the usual asynchronous ack issue because we need 1521 * to make sure this gets on the wire first. 1522 */ 1523 if (isp_notify_ack(isp, inot)) { 1524 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 1525 goto fail; 1526 } 1527 isp_target_start_ctio(isp, ccb, FROM_SRR); 1528 return; 1529fail: 1530 inot->in_reserved = 1; 1531 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 1532 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1533 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1534 isp_complete_ctio(isp, ccb); 1535 return; 1536mdp: 1537 if (isp_notify_ack(isp, inot)) { 1538 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 1539 goto fail; 1540 } 1541 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1542 ccb->ccb_h.status |= CAM_MESSAGE_RECV; 1543 /* 1544 * This is not a strict interpretation of MDP, but it's close 1545 */ 1546 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 1547 ccb->csio.msg_len = 7; 1548 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 1549 ccb->csio.msg_ptr[1] = 5; 1550 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 1551 ccb->csio.msg_ptr[3] = srr_off >> 24; 1552 ccb->csio.msg_ptr[4] = srr_off >> 16; 1553 ccb->csio.msg_ptr[5] = srr_off >> 8; 1554 ccb->csio.msg_ptr[6] = srr_off; 1555 isp_complete_ctio(isp, ccb); 1556} 1557 1558 1559static void 1560isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify) 1561{ 1562 in_fcentry_24xx_t *inot = notify->nt_lreserved; 1563 atio_private_data_t *atp; 1564 uint32_t tag = notify->nt_tagval & 0xffffffff; 1565 1566 atp = isp_find_atpd(isp, notify->nt_channel, tag); 1567 if (atp == NULL) { 1568 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", 1569 __func__, tag); 1570 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 1571 return; 1572 } 1573 atp->srr_notify_rcvd = 1; 1574 memcpy(atp->srr, inot, sizeof (atp->srr)); 1575 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x", 1576 inot->in_rxid, inot->in_flags, inot->in_srr_iu, 1577 ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo); 1578 if (atp->srr_ccb) 1579 isp_handle_srr_start(isp, atp); 1580} 1581 1582static void 1583isp_handle_platform_ctio(ispsoftc_t *isp, ct7_entry_t *ct) 1584{ 1585 union ccb *ccb; 1586 int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0; 1587 atio_private_data_t *atp = NULL; 1588 int bus; 1589 uint32_t handle, data_requested, resid; 1590 1591 handle = ct->ct_syshandle; 1592 ccb = isp_find_xs(isp, handle); 1593 if (ccb == NULL) { 1594 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, ct); 1595 return; 1596 } 1597 isp_destroy_handle(isp, handle); 1598 resid = data_requested = PISP_PCMD(ccb)->datalen; 1599 isp_free_pcmd(isp, ccb); 1600 1601 bus = XS_CHANNEL(ccb); 1602 atp = isp_find_atpd(isp, bus, ct->ct_rxid); 1603 if (atp == NULL) { 1604 /* 1605 * XXX: isp_clear_commands() generates fake CTIO with zero 1606 * ct_rxid value, filling only ct_syshandle. Workaround 1607 * that using tag_id from the CCB, pointed by ct_syshandle. 1608 */ 1609 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id); 1610 } 1611 if (atp == NULL) { 1612 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 1613 return; 1614 } 1615 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 1616 atp->bytes_in_transit -= data_requested; 1617 atp->ctcnt -= 1; 1618 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1619 1620 if (ct->ct_nphdl == CT7_SRR) { 1621 atp->srr_ccb = ccb; 1622 if (atp->srr_notify_rcvd) 1623 isp_handle_srr_start(isp, atp); 1624 return; 1625 } 1626 if (ct->ct_nphdl == CT_HBA_RESET) { 1627 sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) && 1628 (atp->sendst == 0); 1629 failure = CAM_UNREC_HBA_ERROR; 1630 } else { 1631 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 1632 ok = (ct->ct_nphdl == CT7_OK); 1633 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 1634 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) 1635 resid = ct->ct_resid; 1636 } 1637 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), 1638 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 1639 if (ok) { 1640 if (data_requested > 0) { 1641 atp->bytes_xfered += data_requested - resid; 1642 ccb->csio.resid = ccb->csio.dxfer_len - 1643 (data_requested - resid); 1644 } 1645 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) 1646 ccb->ccb_h.status |= CAM_SENT_SENSE; 1647 ccb->ccb_h.status |= CAM_REQ_CMP; 1648 } else { 1649 notify_cam = 1; 1650 if (failure == CAM_UNREC_HBA_ERROR) 1651 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 1652 else 1653 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1654 } 1655 atp->state = ATPD_STATE_PDON; 1656 1657 /* 1658 * We never *not* notify CAM when there has been any error (ok == 0), 1659 * so we never need to do an ATIO putback if we're not notifying CAM. 1660 */ 1661 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 1662 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 1663 if (notify_cam == 0) { 1664 if (atp->sendst) { 1665 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 1666 } 1667 return; 1668 } 1669 1670 /* 1671 * We are done with this ATIO if we successfully sent status. 1672 * In all other cases expect either another CTIO or XPT_ABORT. 1673 */ 1674 if (ok && sentstatus) 1675 isp_put_atpd(isp, bus, atp); 1676 1677 /* 1678 * We're telling CAM we're done with this CTIO transaction. 1679 * 1680 * 24XX cards never need an ATIO put back. 1681 */ 1682 isp_complete_ctio(isp, ccb); 1683} 1684 1685static int 1686isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp) 1687{ 1688 ct7_entry_t local, *cto = &local; 1689 1690 if (isp->isp_state != ISP_RUNSTATE) { 1691 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 1692 return (0); 1693 } 1694 1695 /* 1696 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 1697 */ 1698 if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 1699 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 1700 fcportdb_t *lp; 1701 uint32_t sid; 1702 uint16_t nphdl; 1703 1704 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 1705 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) { 1706 nphdl = lp->handle; 1707 } else { 1708 nphdl = NIL_HANDLE; 1709 } 1710 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 1711 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1712 cto->ct_header.rqs_entry_count = 1; 1713 cto->ct_nphdl = nphdl; 1714 cto->ct_rxid = aep->at_rxid; 1715 cto->ct_vpidx = mp->nt_channel; 1716 cto->ct_iid_lo = sid; 1717 cto->ct_iid_hi = sid >> 16; 1718 cto->ct_oxid = aep->at_hdr.ox_id; 1719 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 1720 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 1721 if (rsp != 0) { 1722 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 1723 cto->rsp.m1.ct_resplen = 4; 1724 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 1725 cto->rsp.m1.ct_resp[0] = rsp & 0xff; 1726 cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff; 1727 cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff; 1728 cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff; 1729 } 1730 return (isp_send_entry(isp, cto)); 1731 } 1732 1733 /* 1734 * This case is for a responding to an ABTS frame 1735 */ 1736 if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 1737 1738 /* 1739 * Overload nt_need_ack here to mark whether we've terminated the associated command. 1740 */ 1741 if (mp->nt_need_ack) { 1742 abts_t *abts = (abts_t *)mp->nt_lreserved; 1743 1744 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 1745 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 1746 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1747 cto->ct_header.rqs_entry_count = 1; 1748 cto->ct_nphdl = mp->nt_nphdl; 1749 cto->ct_rxid = abts->abts_rxid_task; 1750 cto->ct_iid_lo = mp->nt_sid; 1751 cto->ct_iid_hi = mp->nt_sid >> 16; 1752 cto->ct_oxid = abts->abts_ox_id; 1753 cto->ct_vpidx = mp->nt_channel; 1754 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 1755 if (isp_send_entry(isp, cto)) { 1756 return (ENOMEM); 1757 } 1758 mp->nt_need_ack = 0; 1759 } 1760 return (isp_acknak_abts(isp, mp->nt_lreserved, 0)); 1761 } 1762 1763 /* 1764 * General purpose acknowledgement 1765 */ 1766 if (mp->nt_need_ack) { 1767 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 1768 /* 1769 * Don't need to use the guaranteed send because the caller can retry 1770 */ 1771 return (isp_notify_ack(isp, mp->nt_lreserved)); 1772 } 1773 return (0); 1774} 1775 1776/* 1777 * Handle task management functions. 1778 * 1779 * We show up here with a notify structure filled out. 1780 * 1781 * The nt_lreserved tag points to the original queue entry 1782 */ 1783static void 1784isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 1785{ 1786 tstate_t *tptr; 1787 fcportdb_t *lp; 1788 struct ccb_immediate_notify *inot; 1789 inot_private_data_t *ntp = NULL; 1790 atio_private_data_t *atp; 1791 lun_id_t lun; 1792 1793 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode, 1794 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 1795 if (notify->nt_lun == LUN_ANY) { 1796 if (notify->nt_tagval == TAG_ANY) { 1797 lun = CAM_LUN_WILDCARD; 1798 } else { 1799 atp = isp_find_atpd(isp, notify->nt_channel, 1800 notify->nt_tagval & 0xffffffff); 1801 lun = atp ? atp->lun : CAM_LUN_WILDCARD; 1802 } 1803 } else { 1804 lun = notify->nt_lun; 1805 } 1806 tptr = get_lun_statep(isp, notify->nt_channel, lun); 1807 if (tptr == NULL) { 1808 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 1809 if (tptr == NULL) { 1810 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 1811 goto bad; 1812 } 1813 } 1814 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 1815 if (inot == NULL) { 1816 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun); 1817 goto bad; 1818 } 1819 1820 inot->ccb_h.target_id = ISP_MAX_TARGETS(isp); 1821 inot->ccb_h.target_lun = lun; 1822 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 1823 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 1824 inot->initiator_id = CAM_TARGET_WILDCARD; 1825 } else { 1826 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 1827 } 1828 inot->seq_id = notify->nt_tagval; 1829 inot->tag_id = notify->nt_tagval >> 32; 1830 1831 switch (notify->nt_ncode) { 1832 case NT_ABORT_TASK: 1833 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id); 1834 inot->arg = MSG_ABORT_TASK; 1835 break; 1836 case NT_ABORT_TASK_SET: 1837 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY); 1838 inot->arg = MSG_ABORT_TASK_SET; 1839 break; 1840 case NT_CLEAR_ACA: 1841 inot->arg = MSG_CLEAR_ACA; 1842 break; 1843 case NT_CLEAR_TASK_SET: 1844 inot->arg = MSG_CLEAR_TASK_SET; 1845 break; 1846 case NT_LUN_RESET: 1847 inot->arg = MSG_LOGICAL_UNIT_RESET; 1848 break; 1849 case NT_TARGET_RESET: 1850 inot->arg = MSG_TARGET_RESET; 1851 break; 1852 case NT_QUERY_TASK_SET: 1853 inot->arg = MSG_QUERY_TASK_SET; 1854 break; 1855 case NT_QUERY_ASYNC_EVENT: 1856 inot->arg = MSG_QUERY_ASYNC_EVENT; 1857 break; 1858 default: 1859 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); 1860 goto bad; 1861 } 1862 1863 ntp = isp_get_ntpd(isp, notify->nt_channel); 1864 if (ntp == NULL) { 1865 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 1866 goto bad; 1867 } 1868 ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t)); 1869 if (notify->nt_lreserved) { 1870 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN); 1871 ntp->nt.nt_lreserved = &ntp->data; 1872 } 1873 ntp->seq_id = notify->nt_tagval; 1874 ntp->tag_id = notify->nt_tagval >> 32; 1875 1876 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 1877 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n"); 1878 inot->ccb_h.status = CAM_MESSAGE_RECV; 1879 xpt_done((union ccb *)inot); 1880 return; 1881bad: 1882 if (notify->nt_need_ack) { 1883 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 1884 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 1885 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 1886 } 1887 } else { 1888 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 1889 } 1890 } 1891} 1892 1893static void 1894isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id) 1895{ 1896 struct isp_fc *fc = ISP_FC_PC(isp, chan); 1897 atio_private_data_t *atp; 1898 inot_private_data_t *ntp, *tmp; 1899 uint32_t this_tag_id; 1900 1901 /* 1902 * First, clean any commands pending restart 1903 */ 1904 STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) { 1905 this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid; 1906 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 1907 isp_endcmd(isp, ntp->data, NIL_HANDLE, chan, 1908 ECMD_TERMINATE, 0); 1909 isp_put_ntpd(isp, chan, ntp); 1910 STAILQ_REMOVE(&tptr->restart_queue, ntp, 1911 inot_private_data, next); 1912 } 1913 } 1914 1915 /* 1916 * Now mark other ones dead as well. 1917 */ 1918 for (atp = fc->atpool; atp < &fc->atpool[ATPDPSIZE]; atp++) { 1919 if (atp->lun != tptr->ts_lun) 1920 continue; 1921 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) 1922 atp->dead = 1; 1923 } 1924} 1925#endif 1926 1927static void 1928isp_poll(struct cam_sim *sim) 1929{ 1930 ispsoftc_t *isp = cam_sim_softc(sim); 1931 1932 ISP_RUN_ISR(isp); 1933} 1934 1935 1936static void 1937isp_watchdog(void *arg) 1938{ 1939 struct ccb_scsiio *xs = arg; 1940 ispsoftc_t *isp; 1941 uint32_t ohandle = ISP_HANDLE_FREE, handle; 1942 1943 isp = XS_ISP(xs); 1944 1945 handle = isp_find_handle(isp, xs); 1946 1947 /* 1948 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 1949 */ 1950 if (handle != ISP_HANDLE_FREE) { 1951 ISP_RUN_ISR(isp); 1952 ohandle = handle; 1953 handle = isp_find_handle(isp, xs); 1954 } 1955 if (handle != ISP_HANDLE_FREE) { 1956 /* 1957 * Try and make sure the command is really dead before 1958 * we release the handle (and DMA resources) for reuse. 1959 * 1960 * If we are successful in aborting the command then 1961 * we're done here because we'll get the command returned 1962 * back separately. 1963 */ 1964 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 1965 return; 1966 } 1967 1968 /* 1969 * Note that after calling the above, the command may in 1970 * fact have been completed. 1971 */ 1972 xs = isp_find_xs(isp, handle); 1973 1974 /* 1975 * If the command no longer exists, then we won't 1976 * be able to find the xs again with this handle. 1977 */ 1978 if (xs == NULL) { 1979 return; 1980 } 1981 1982 /* 1983 * After this point, the command is really dead. 1984 */ 1985 ISP_DMAFREE(isp, xs); 1986 isp_destroy_handle(isp, handle); 1987 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 1988 XS_SETERR(xs, CAM_CMD_TIMEOUT); 1989 isp_done(xs); 1990 } else { 1991 if (ohandle != ISP_HANDLE_FREE) { 1992 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 1993 } else { 1994 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 1995 } 1996 } 1997} 1998 1999static void 2000isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2001{ 2002 union ccb *ccb; 2003 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2004 2005 /* 2006 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 2007 */ 2008 ccb = xpt_alloc_ccb_nowait(); 2009 if (ccb == NULL) { 2010 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 2011 return; 2012 } 2013 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 2014 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2015 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 2016 xpt_free_ccb(ccb); 2017 return; 2018 } 2019 xpt_rescan(ccb); 2020} 2021 2022static void 2023isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 2024{ 2025 struct cam_path *tp; 2026 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2027 2028 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 2029 xpt_async(AC_LOST_DEVICE, tp, NULL); 2030 xpt_free_path(tp); 2031 } 2032} 2033 2034/* 2035 * Gone Device Timer Function- when we have decided that a device has gone 2036 * away, we wait a specific period of time prior to telling the OS it has 2037 * gone away. 2038 * 2039 * This timer function fires once a second and then scans the port database 2040 * for devices that are marked dead but still have a virtual target assigned. 2041 * We decrement a counter for that port database entry, and when it hits zero, 2042 * we tell the OS the device has gone away. 2043 */ 2044static void 2045isp_gdt(void *arg) 2046{ 2047 struct isp_fc *fc = arg; 2048 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 2049} 2050 2051static void 2052isp_gdt_task(void *arg, int pending) 2053{ 2054 struct isp_fc *fc = arg; 2055 ispsoftc_t *isp = fc->isp; 2056 int chan = fc - ISP_FC_PC(isp, 0); 2057 fcportdb_t *lp; 2058 struct ac_contract ac; 2059 struct ac_device_changed *adc; 2060 int dbidx, more_to_do = 0; 2061 2062 ISP_LOCK(isp); 2063 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 2064 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2065 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 2066 2067 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 2068 continue; 2069 } 2070 if (lp->gone_timer != 0) { 2071 lp->gone_timer -= 1; 2072 more_to_do++; 2073 continue; 2074 } 2075 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 2076 if (lp->is_target) { 2077 lp->is_target = 0; 2078 isp_make_gone(isp, lp, chan, dbidx); 2079 } 2080 if (lp->is_initiator) { 2081 lp->is_initiator = 0; 2082 ac.contract_number = AC_CONTRACT_DEV_CHG; 2083 adc = (struct ac_device_changed *) ac.contract_data; 2084 adc->wwpn = lp->port_wwn; 2085 adc->port = lp->portid; 2086 adc->target = dbidx; 2087 adc->arrived = 0; 2088 xpt_async(AC_CONTRACT, fc->path, &ac); 2089 } 2090 lp->state = FC_PORTDB_STATE_NIL; 2091 } 2092 if (fc->ready) { 2093 if (more_to_do) { 2094 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2095 } else { 2096 callout_deactivate(&fc->gdt); 2097 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 2098 } 2099 } 2100 ISP_UNLOCK(isp); 2101} 2102 2103/* 2104 * When loop goes down we remember the time and freeze CAM command queue. 2105 * During some time period we are trying to reprobe the loop. But if we 2106 * fail, we tell the OS that devices have gone away and drop the freeze. 2107 * 2108 * We don't clear the devices out of our port database because, when loop 2109 * come back up, we have to do some actual cleanup with the chip at that 2110 * point (implicit PLOGO, e.g., to get the chip's port database state right). 2111 */ 2112static void 2113isp_loop_changed(ispsoftc_t *isp, int chan) 2114{ 2115 fcparam *fcp = FCPARAM(isp, chan); 2116 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2117 2118 if (fc->loop_down_time) 2119 return; 2120 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan); 2121 if (fcp->role & ISP_ROLE_INITIATOR) 2122 isp_freeze_loopdown(isp, chan); 2123 fc->loop_down_time = time_uptime; 2124 wakeup(fc); 2125} 2126 2127static void 2128isp_loop_up(ispsoftc_t *isp, int chan) 2129{ 2130 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2131 2132 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan); 2133 fc->loop_seen_once = 1; 2134 fc->loop_down_time = 0; 2135 isp_unfreeze_loopdown(isp, chan); 2136} 2137 2138static void 2139isp_loop_dead(ispsoftc_t *isp, int chan) 2140{ 2141 fcparam *fcp = FCPARAM(isp, chan); 2142 struct isp_fc *fc = ISP_FC_PC(isp, chan); 2143 fcportdb_t *lp; 2144 struct ac_contract ac; 2145 struct ac_device_changed *adc; 2146 int dbidx, i; 2147 2148 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan); 2149 2150 /* 2151 * Notify to the OS all targets who we now consider have departed. 2152 */ 2153 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 2154 lp = &fcp->portdb[dbidx]; 2155 2156 if (lp->state == FC_PORTDB_STATE_NIL) 2157 continue; 2158 2159 for (i = 0; i < ISP_HANDLE_NUM(isp); i++) { 2160 struct ccb_scsiio *xs; 2161 2162 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) { 2163 continue; 2164 } 2165 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 2166 continue; 2167 } 2168 if (dbidx != XS_TGT(xs)) { 2169 continue; 2170 } 2171 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout", 2172 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2173 (uintmax_t)XS_LUN(xs)); 2174 2175 /* 2176 * Just like in isp_watchdog, abort the outstanding 2177 * command or immediately free its resources if it is 2178 * not active 2179 */ 2180 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 2181 continue; 2182 } 2183 2184 ISP_DMAFREE(isp, xs); 2185 isp_destroy_handle(isp, isp->isp_xflist[i].handle); 2186 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed", 2187 isp->isp_xflist[i].handle, chan, XS_TGT(xs), 2188 (uintmax_t)XS_LUN(xs)); 2189 XS_SETERR(xs, HBA_BUSRESET); 2190 isp_done(xs); 2191 } 2192 2193 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 2194 if (lp->is_target) { 2195 lp->is_target = 0; 2196 isp_make_gone(isp, lp, chan, dbidx); 2197 } 2198 if (lp->is_initiator) { 2199 lp->is_initiator = 0; 2200 ac.contract_number = AC_CONTRACT_DEV_CHG; 2201 adc = (struct ac_device_changed *) ac.contract_data; 2202 adc->wwpn = lp->port_wwn; 2203 adc->port = lp->portid; 2204 adc->target = dbidx; 2205 adc->arrived = 0; 2206 xpt_async(AC_CONTRACT, fc->path, &ac); 2207 } 2208 } 2209 2210 isp_unfreeze_loopdown(isp, chan); 2211 fc->loop_down_time = 0; 2212} 2213 2214static void 2215isp_kthread(void *arg) 2216{ 2217 struct isp_fc *fc = arg; 2218 ispsoftc_t *isp = fc->isp; 2219 int chan = fc - ISP_FC_PC(isp, 0); 2220 int slp = 0, d; 2221 int lb, lim; 2222 2223 ISP_LOCK(isp); 2224 while (isp->isp_osinfo.is_exiting == 0) { 2225 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2226 "Chan %d Checking FC state", chan); 2227 lb = isp_fc_runstate(isp, chan, 250000); 2228 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2229 "Chan %d FC got to %s state", chan, 2230 isp_fc_loop_statename(lb)); 2231 2232 /* 2233 * Our action is different based upon whether we're supporting 2234 * Initiator mode or not. If we are, we might freeze the simq 2235 * when loop is down and set all sorts of different delays to 2236 * check again. 2237 * 2238 * If not, we simply just wait for loop to come up. 2239 */ 2240 if (lb == LOOP_READY || lb < 0) { 2241 slp = 0; 2242 } else { 2243 /* 2244 * If we've never seen loop up and we've waited longer 2245 * than quickboot time, or we've seen loop up but we've 2246 * waited longer than loop_down_limit, give up and go 2247 * to sleep until loop comes up. 2248 */ 2249 if (fc->loop_seen_once == 0) 2250 lim = isp_quickboot_time; 2251 else 2252 lim = fc->loop_down_limit; 2253 d = time_uptime - fc->loop_down_time; 2254 if (d >= lim) 2255 slp = 0; 2256 else if (d < 10) 2257 slp = 1; 2258 else if (d < 30) 2259 slp = 5; 2260 else if (d < 60) 2261 slp = 10; 2262 else if (d < 120) 2263 slp = 20; 2264 else 2265 slp = 30; 2266 } 2267 2268 if (slp == 0) { 2269 if (lb == LOOP_READY) 2270 isp_loop_up(isp, chan); 2271 else 2272 isp_loop_dead(isp, chan); 2273 } 2274 2275 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, 2276 "Chan %d sleep for %d seconds", chan, slp); 2277 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz); 2278 } 2279 fc->num_threads -= 1; 2280 wakeup(&fc->num_threads); 2281 ISP_UNLOCK(isp); 2282 kthread_exit(); 2283} 2284 2285#ifdef ISP_TARGET_MODE 2286static void 2287isp_abort_atio(ispsoftc_t *isp, union ccb *ccb) 2288{ 2289 atio_private_data_t *atp; 2290 union ccb *accb = ccb->cab.abort_ccb; 2291 struct ccb_hdr *sccb; 2292 tstate_t *tptr; 2293 2294 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2295 if (tptr != NULL) { 2296 /* Search for the ATIO among queueued. */ 2297 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) { 2298 if (sccb != &accb->ccb_h) 2299 continue; 2300 SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle); 2301 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2302 "Abort FREE ATIO\n"); 2303 accb->ccb_h.status = CAM_REQ_ABORTED; 2304 xpt_done(accb); 2305 ccb->ccb_h.status = CAM_REQ_CMP; 2306 return; 2307 } 2308 } 2309 2310 /* Search for the ATIO among running. */ 2311 atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id); 2312 if (atp != NULL) { 2313 /* Send TERMINATE to firmware. */ 2314 if (!atp->dead) { 2315 uint8_t storage[QENTRY_LEN]; 2316 ct7_entry_t *cto = (ct7_entry_t *) storage; 2317 2318 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 2319 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 2320 cto->ct_header.rqs_entry_count = 1; 2321 cto->ct_nphdl = atp->nphdl; 2322 cto->ct_rxid = atp->tag; 2323 cto->ct_iid_lo = atp->sid; 2324 cto->ct_iid_hi = atp->sid >> 16; 2325 cto->ct_oxid = atp->oxid; 2326 cto->ct_vpidx = XS_CHANNEL(accb); 2327 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 2328 isp_send_entry(isp, cto); 2329 } 2330 isp_put_atpd(isp, XS_CHANNEL(accb), atp); 2331 ccb->ccb_h.status = CAM_REQ_CMP; 2332 } else { 2333 ccb->ccb_h.status = CAM_UA_ABORT; 2334 } 2335} 2336 2337static void 2338isp_abort_inot(ispsoftc_t *isp, union ccb *ccb) 2339{ 2340 inot_private_data_t *ntp; 2341 union ccb *accb = ccb->cab.abort_ccb; 2342 struct ccb_hdr *sccb; 2343 tstate_t *tptr; 2344 2345 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 2346 if (tptr != NULL) { 2347 /* Search for the INOT among queueued. */ 2348 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) { 2349 if (sccb != &accb->ccb_h) 2350 continue; 2351 SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle); 2352 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path, 2353 "Abort FREE INOT\n"); 2354 accb->ccb_h.status = CAM_REQ_ABORTED; 2355 xpt_done(accb); 2356 ccb->ccb_h.status = CAM_REQ_CMP; 2357 return; 2358 } 2359 } 2360 2361 /* Search for the INOT among running. */ 2362 ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id); 2363 if (ntp != NULL) { 2364 if (ntp->nt.nt_need_ack) { 2365 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, 2366 ntp->nt.nt_lreserved); 2367 } 2368 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp); 2369 ccb->ccb_h.status = CAM_REQ_CMP; 2370 } else { 2371 ccb->ccb_h.status = CAM_UA_ABORT; 2372 return; 2373 } 2374} 2375#endif 2376 2377static void 2378isp_action(struct cam_sim *sim, union ccb *ccb) 2379{ 2380 int bus, tgt, error; 2381 ispsoftc_t *isp; 2382 fcparam *fcp; 2383 struct ccb_trans_settings *cts; 2384 sbintime_t ts; 2385 2386 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 2387 2388 isp = (ispsoftc_t *)cam_sim_softc(sim); 2389 ISP_ASSERT_LOCKED(isp); 2390 bus = cam_sim_bus(sim); 2391 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 2392 ISP_PCMD(ccb) = NULL; 2393 2394 switch (ccb->ccb_h.func_code) { 2395 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2396 /* 2397 * Do a couple of preliminary checks... 2398 */ 2399 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2400 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2401 ccb->ccb_h.status = CAM_REQ_INVALID; 2402 isp_done((struct ccb_scsiio *) ccb); 2403 break; 2404 } 2405 } 2406#ifdef DIAGNOSTIC 2407 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) { 2408 xpt_print(ccb->ccb_h.path, "invalid target\n"); 2409 ccb->ccb_h.status = CAM_PATH_INVALID; 2410 } 2411 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 2412 xpt_done(ccb); 2413 break; 2414 } 2415#endif 2416 ccb->csio.scsi_status = SCSI_STATUS_OK; 2417 if (isp_get_pcmd(isp, ccb)) { 2418 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 2419 cam_freeze_devq(ccb->ccb_h.path); 2420 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 2421 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2422 xpt_done(ccb); 2423 break; 2424 } 2425 error = isp_start((XS_T *) ccb); 2426 isp_rq_check_above(isp); 2427 switch (error) { 2428 case 0: 2429 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2430 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) 2431 break; 2432 /* Give firmware extra 10s to handle timeout. */ 2433 ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S; 2434 callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0, 2435 isp_watchdog, ccb, 0); 2436 break; 2437 case CMD_RQLATER: 2438 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later", 2439 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb)); 2440 cam_freeze_devq(ccb->ccb_h.path); 2441 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 2442 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2443 isp_free_pcmd(isp, ccb); 2444 xpt_done(ccb); 2445 break; 2446 case CMD_EAGAIN: 2447 isp_free_pcmd(isp, ccb); 2448 cam_freeze_devq(ccb->ccb_h.path); 2449 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 10, 0); 2450 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2451 xpt_done(ccb); 2452 break; 2453 case CMD_COMPLETE: 2454 isp_done((struct ccb_scsiio *) ccb); 2455 break; 2456 default: 2457 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 2458 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2459 isp_free_pcmd(isp, ccb); 2460 xpt_done(ccb); 2461 } 2462 break; 2463 2464#ifdef ISP_TARGET_MODE 2465 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 2466 if (ccb->cel.enable) { 2467 isp_enable_lun(isp, ccb); 2468 } else { 2469 isp_disable_lun(isp, ccb); 2470 } 2471 break; 2472 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 2473 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 2474 { 2475 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 2476 if (tptr == NULL) { 2477 const char *str; 2478 2479 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 2480 str = "XPT_IMMEDIATE_NOTIFY"; 2481 else 2482 str = "XPT_ACCEPT_TARGET_IO"; 2483 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, 2484 "%s: no state pointer found for %s\n", 2485 __func__, str); 2486 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2487 xpt_done(ccb); 2488 break; 2489 } 2490 2491 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 2492 ccb->atio.tag_id = 0; 2493 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 2494 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 2495 "Put FREE ATIO\n"); 2496 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 2497 ccb->cin1.seq_id = ccb->cin1.tag_id = 0; 2498 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 2499 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, 2500 "Put FREE INOT\n"); 2501 } 2502 ccb->ccb_h.status = CAM_REQ_INPROG; 2503 break; 2504 } 2505 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 2506 { 2507 inot_private_data_t *ntp; 2508 2509 /* 2510 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 2511 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 2512 */ 2513 /* 2514 * All the relevant path information is in the associated immediate notify 2515 */ 2516 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); 2517 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id); 2518 if (ntp == NULL) { 2519 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__, 2520 ccb->cna2.tag_id, ccb->cna2.seq_id); 2521 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2522 xpt_done(ccb); 2523 break; 2524 } 2525 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt, 2526 (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) { 2527 cam_freeze_devq(ccb->ccb_h.path); 2528 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 10, 0); 2529 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2530 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 2531 break; 2532 } 2533 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp); 2534 ccb->ccb_h.status = CAM_REQ_CMP; 2535 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); 2536 xpt_done(ccb); 2537 break; 2538 } 2539 case XPT_CONT_TARGET_IO: 2540 isp_target_start_ctio(isp, ccb, FROM_CAM); 2541 isp_rq_check_above(isp); 2542 break; 2543#endif 2544 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 2545 tgt = ccb->ccb_h.target_id; 2546 tgt |= (bus << 16); 2547 2548 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 2549 if (error) { 2550 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2551 } else { 2552 /* 2553 * If we have a FC device, reset the Command 2554 * Reference Number, because the target will expect 2555 * that we re-start the CRN at 1 after a reset. 2556 */ 2557 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2558 2559 ccb->ccb_h.status = CAM_REQ_CMP; 2560 } 2561 xpt_done(ccb); 2562 break; 2563 case XPT_ABORT: /* Abort the specified CCB */ 2564 { 2565 union ccb *accb = ccb->cab.abort_ccb; 2566 switch (accb->ccb_h.func_code) { 2567#ifdef ISP_TARGET_MODE 2568 case XPT_ACCEPT_TARGET_IO: 2569 isp_abort_atio(isp, ccb); 2570 break; 2571 case XPT_IMMEDIATE_NOTIFY: 2572 isp_abort_inot(isp, ccb); 2573 break; 2574#endif 2575 case XPT_SCSI_IO: 2576 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 2577 if (error) { 2578 ccb->ccb_h.status = CAM_UA_ABORT; 2579 } else { 2580 ccb->ccb_h.status = CAM_REQ_CMP; 2581 } 2582 break; 2583 default: 2584 ccb->ccb_h.status = CAM_REQ_INVALID; 2585 break; 2586 } 2587 /* 2588 * This is not a queued CCB, so the caller expects it to be 2589 * complete when control is returned. 2590 */ 2591 break; 2592 } 2593#define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 2594 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 2595 cts = &ccb->cts; 2596 if (!IS_CURRENT_SETTINGS(cts)) { 2597 ccb->ccb_h.status = CAM_REQ_INVALID; 2598 xpt_done(ccb); 2599 break; 2600 } 2601 ccb->ccb_h.status = CAM_REQ_CMP; 2602 xpt_done(ccb); 2603 break; 2604 case XPT_GET_TRAN_SETTINGS: 2605 { 2606 struct ccb_trans_settings_scsi *scsi; 2607 struct ccb_trans_settings_fc *fc; 2608 2609 cts = &ccb->cts; 2610 scsi = &cts->proto_specific.scsi; 2611 fc = &cts->xport_specific.fc; 2612 tgt = cts->ccb_h.target_id; 2613 fcp = FCPARAM(isp, bus); 2614 2615 cts->protocol = PROTO_SCSI; 2616 cts->protocol_version = SCSI_REV_2; 2617 cts->transport = XPORT_FC; 2618 cts->transport_version = 0; 2619 2620 scsi->valid = CTS_SCSI_VALID_TQ; 2621 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2622 fc->valid = CTS_FC_VALID_SPEED; 2623 fc->bitrate = fcp->isp_gbspeed * 100000; 2624 if (tgt < MAX_FC_TARG) { 2625 fcportdb_t *lp = &fcp->portdb[tgt]; 2626 fc->wwnn = lp->node_wwn; 2627 fc->wwpn = lp->port_wwn; 2628 fc->port = lp->portid; 2629 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 2630 } 2631 ccb->ccb_h.status = CAM_REQ_CMP; 2632 xpt_done(ccb); 2633 break; 2634 } 2635 case XPT_CALC_GEOMETRY: 2636 cam_calc_geometry(&ccb->ccg, 1); 2637 xpt_done(ccb); 2638 break; 2639 2640 case XPT_RESET_BUS: /* Reset the specified bus */ 2641 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 2642 if (error) { 2643 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2644 xpt_done(ccb); 2645 break; 2646 } 2647 if (bootverbose) { 2648 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 2649 } 2650 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 2651 ccb->ccb_h.status = CAM_REQ_CMP; 2652 xpt_done(ccb); 2653 break; 2654 2655 case XPT_TERM_IO: /* Terminate the I/O process */ 2656 ccb->ccb_h.status = CAM_REQ_INVALID; 2657 xpt_done(ccb); 2658 break; 2659 2660 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 2661 { 2662 struct ccb_sim_knob *kp = &ccb->knob; 2663 fcparam *fcp = FCPARAM(isp, bus); 2664 2665 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 2666 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 2667 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 2668 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 2669 } 2670 ccb->ccb_h.status = CAM_REQ_CMP; 2671 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 2672 int rchange = 0; 2673 int newrole = 0; 2674 2675 switch (kp->xport_specific.fc.role) { 2676 case KNOB_ROLE_NONE: 2677 if (fcp->role != ISP_ROLE_NONE) { 2678 rchange = 1; 2679 newrole = ISP_ROLE_NONE; 2680 } 2681 break; 2682 case KNOB_ROLE_TARGET: 2683 if (fcp->role != ISP_ROLE_TARGET) { 2684 rchange = 1; 2685 newrole = ISP_ROLE_TARGET; 2686 } 2687 break; 2688 case KNOB_ROLE_INITIATOR: 2689 if (fcp->role != ISP_ROLE_INITIATOR) { 2690 rchange = 1; 2691 newrole = ISP_ROLE_INITIATOR; 2692 } 2693 break; 2694 case KNOB_ROLE_BOTH: 2695 if (fcp->role != ISP_ROLE_BOTH) { 2696 rchange = 1; 2697 newrole = ISP_ROLE_BOTH; 2698 } 2699 break; 2700 } 2701 if (rchange) { 2702 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 2703 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 2704 bus, newrole) != 0) { 2705 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2706 xpt_done(ccb); 2707 break; 2708 } 2709 } 2710 } 2711 xpt_done(ccb); 2712 break; 2713 } 2714 case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */ 2715 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 2716 { 2717 struct ccb_sim_knob *kp = &ccb->knob; 2718 fcparam *fcp = FCPARAM(isp, bus); 2719 2720 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 2721 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 2722 switch (fcp->role) { 2723 case ISP_ROLE_NONE: 2724 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 2725 break; 2726 case ISP_ROLE_TARGET: 2727 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 2728 break; 2729 case ISP_ROLE_INITIATOR: 2730 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 2731 break; 2732 case ISP_ROLE_BOTH: 2733 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 2734 break; 2735 } 2736 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 2737 ccb->ccb_h.status = CAM_REQ_CMP; 2738 xpt_done(ccb); 2739 break; 2740 } 2741 case XPT_PATH_INQ: /* Path routing inquiry */ 2742 { 2743 struct ccb_pathinq *cpi = &ccb->cpi; 2744 2745 cpi->version_num = 1; 2746#ifdef ISP_TARGET_MODE 2747 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 2748#else 2749 cpi->target_sprt = 0; 2750#endif 2751 cpi->hba_eng_cnt = 0; 2752 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 2753 cpi->max_lun = 255; 2754 cpi->bus_id = cam_sim_bus(sim); 2755 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 2756 2757 fcp = FCPARAM(isp, bus); 2758 2759 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 2760 cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN; 2761 2762 /* 2763 * Because our loop ID can shift from time to time, 2764 * make our initiator ID out of range of our bus. 2765 */ 2766 cpi->initiator_id = cpi->max_target + 1; 2767 2768 /* 2769 * Set base transfer capabilities for Fibre Channel, for this HBA. 2770 */ 2771 if (IS_25XX(isp)) 2772 cpi->base_transfer_speed = 8000000; 2773 else 2774 cpi->base_transfer_speed = 4000000; 2775 cpi->hba_inquiry = PI_TAG_ABLE; 2776 cpi->transport = XPORT_FC; 2777 cpi->transport_version = 0; 2778 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 2779 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 2780 cpi->xport_specific.fc.port = fcp->isp_portid; 2781 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 2782 cpi->protocol = PROTO_SCSI; 2783 cpi->protocol_version = SCSI_REV_2; 2784 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2785 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 2786 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 2787 cpi->unit_number = cam_sim_unit(sim); 2788 cpi->ccb_h.status = CAM_REQ_CMP; 2789 xpt_done(ccb); 2790 break; 2791 } 2792 default: 2793 ccb->ccb_h.status = CAM_REQ_INVALID; 2794 xpt_done(ccb); 2795 break; 2796 } 2797} 2798 2799void 2800isp_done(XS_T *sccb) 2801{ 2802 ispsoftc_t *isp = XS_ISP(sccb); 2803 uint32_t status; 2804 2805 if (XS_NOERR(sccb)) 2806 XS_SETERR(sccb, CAM_REQ_CMP); 2807 2808 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 2809 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 2810 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 2811 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 2812 } else { 2813 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 2814 } 2815 } 2816 2817 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2818 status = sccb->ccb_h.status & CAM_STATUS_MASK; 2819 if (status != CAM_REQ_CMP && 2820 (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 2821 sccb->ccb_h.status |= CAM_DEV_QFRZN; 2822 xpt_freeze_devq(sccb->ccb_h.path, 1); 2823 } 2824 2825 if (ISP_PCMD(sccb)) { 2826 if (callout_active(&PISP_PCMD(sccb)->wdog)) 2827 callout_stop(&PISP_PCMD(sccb)->wdog); 2828 isp_free_pcmd(isp, (union ccb *) sccb); 2829 } 2830 isp_rq_check_below(isp); 2831 xpt_done((union ccb *) sccb); 2832} 2833 2834void 2835isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 2836{ 2837 int bus; 2838 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 2839 char buf[64]; 2840 char *msg = NULL; 2841 target_id_t tgt = 0; 2842 fcportdb_t *lp; 2843 struct isp_fc *fc; 2844 struct ac_contract ac; 2845 struct ac_device_changed *adc; 2846 va_list ap; 2847 2848 switch (cmd) { 2849 case ISPASYNC_LOOP_RESET: 2850 { 2851 uint16_t lipp; 2852 fcparam *fcp; 2853 va_start(ap, cmd); 2854 bus = va_arg(ap, int); 2855 va_end(ap); 2856 2857 lipp = ISP_READ(isp, OUTMAILBOX1); 2858 fcp = FCPARAM(isp, bus); 2859 2860 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp); 2861 /* 2862 * Per FCP-4, a Reset LIP should result in a CRN reset. Other 2863 * LIPs and loop up/down events should never reset the CRN. For 2864 * an as of yet unknown reason, 24xx series cards (and 2865 * potentially others) can interrupt with a LIP Reset status 2866 * when no LIP reset came down the wire. Additionally, the LIP 2867 * primitive accompanying this status would not be a valid LIP 2868 * Reset primitive, but some variation of an invalid AL_PA 2869 * LIP. As a result, we have to verify the AL_PD in the LIP 2870 * addresses our port before blindly resetting. 2871 */ 2872 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF))) 2873 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0); 2874 isp_loop_changed(isp, bus); 2875 break; 2876 } 2877 case ISPASYNC_LIP: 2878 if (msg == NULL) 2879 msg = "LIP Received"; 2880 /* FALLTHROUGH */ 2881 case ISPASYNC_LOOP_DOWN: 2882 if (msg == NULL) 2883 msg = "LOOP Down"; 2884 /* FALLTHROUGH */ 2885 case ISPASYNC_LOOP_UP: 2886 if (msg == NULL) 2887 msg = "LOOP Up"; 2888 va_start(ap, cmd); 2889 bus = va_arg(ap, int); 2890 va_end(ap); 2891 isp_loop_changed(isp, bus); 2892 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 2893 break; 2894 case ISPASYNC_DEV_ARRIVED: 2895 va_start(ap, cmd); 2896 bus = va_arg(ap, int); 2897 lp = va_arg(ap, fcportdb_t *); 2898 va_end(ap); 2899 fc = ISP_FC_PC(isp, bus); 2900 tgt = FC_PORTDB_TGT(isp, bus, lp); 2901 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 2902 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 2903 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 2904 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 2905 lp->is_target = 1; 2906 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2907 isp_make_here(isp, lp, bus, tgt); 2908 } 2909 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 2910 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 2911 lp->is_initiator = 1; 2912 ac.contract_number = AC_CONTRACT_DEV_CHG; 2913 adc = (struct ac_device_changed *) ac.contract_data; 2914 adc->wwpn = lp->port_wwn; 2915 adc->port = lp->portid; 2916 adc->target = tgt; 2917 adc->arrived = 1; 2918 xpt_async(AC_CONTRACT, fc->path, &ac); 2919 } 2920 break; 2921 case ISPASYNC_DEV_CHANGED: 2922 case ISPASYNC_DEV_STAYED: 2923 { 2924 int crn_reset_done; 2925 2926 crn_reset_done = 0; 2927 va_start(ap, cmd); 2928 bus = va_arg(ap, int); 2929 lp = va_arg(ap, fcportdb_t *); 2930 va_end(ap); 2931 fc = ISP_FC_PC(isp, bus); 2932 tgt = FC_PORTDB_TGT(isp, bus, lp); 2933 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 2934 if (cmd == ISPASYNC_DEV_CHANGED) 2935 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 2936 else 2937 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 2938 2939 if (lp->is_target != 2940 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 2941 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 2942 lp->is_target = !lp->is_target; 2943 if (lp->is_target) { 2944 if (cmd == ISPASYNC_DEV_CHANGED) { 2945 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2946 crn_reset_done = 1; 2947 } 2948 isp_make_here(isp, lp, bus, tgt); 2949 } else { 2950 isp_make_gone(isp, lp, bus, tgt); 2951 if (cmd == ISPASYNC_DEV_CHANGED) { 2952 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2953 crn_reset_done = 1; 2954 } 2955 } 2956 } 2957 if (lp->is_initiator != 2958 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 2959 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 2960 lp->is_initiator = !lp->is_initiator; 2961 ac.contract_number = AC_CONTRACT_DEV_CHG; 2962 adc = (struct ac_device_changed *) ac.contract_data; 2963 adc->wwpn = lp->port_wwn; 2964 adc->port = lp->portid; 2965 adc->target = tgt; 2966 adc->arrived = lp->is_initiator; 2967 xpt_async(AC_CONTRACT, fc->path, &ac); 2968 } 2969 2970 if ((cmd == ISPASYNC_DEV_CHANGED) && 2971 (crn_reset_done == 0)) 2972 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1); 2973 2974 break; 2975 } 2976 case ISPASYNC_DEV_GONE: 2977 va_start(ap, cmd); 2978 bus = va_arg(ap, int); 2979 lp = va_arg(ap, fcportdb_t *); 2980 va_end(ap); 2981 fc = ISP_FC_PC(isp, bus); 2982 tgt = FC_PORTDB_TGT(isp, bus, lp); 2983 /* 2984 * If this has a virtual target or initiator set the isp_gdt 2985 * timer running on it to delay its departure. 2986 */ 2987 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 2988 if (lp->is_target || lp->is_initiator) { 2989 lp->state = FC_PORTDB_STATE_ZOMBIE; 2990 lp->gone_timer = fc->gone_device_time; 2991 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 2992 if (fc->ready && !callout_active(&fc->gdt)) { 2993 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); 2994 callout_reset(&fc->gdt, hz, isp_gdt, fc); 2995 } 2996 break; 2997 } 2998 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 2999 break; 3000 case ISPASYNC_CHANGE_NOTIFY: 3001 { 3002 char *msg; 3003 int evt, nphdl, nlstate, portid, reason; 3004 3005 va_start(ap, cmd); 3006 bus = va_arg(ap, int); 3007 evt = va_arg(ap, int); 3008 if (evt == ISPASYNC_CHANGE_PDB) { 3009 nphdl = va_arg(ap, int); 3010 nlstate = va_arg(ap, int); 3011 reason = va_arg(ap, int); 3012 } else if (evt == ISPASYNC_CHANGE_SNS) { 3013 portid = va_arg(ap, int); 3014 } else { 3015 nphdl = NIL_HANDLE; 3016 nlstate = reason = 0; 3017 } 3018 va_end(ap); 3019 3020 if (evt == ISPASYNC_CHANGE_PDB) { 3021 int tgt_set = 0; 3022 msg = "Port Database Changed"; 3023 isp_prt(isp, ISP_LOGINFO, 3024 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)", 3025 bus, msg, nphdl, nlstate, reason); 3026 /* 3027 * Port database syncs are not sufficient for 3028 * determining that logins or logouts are done on the 3029 * loop, but this information is directly available from 3030 * the reason code from the incoming mbox. We must reset 3031 * the fcp crn on these events according to FCP-4 3032 */ 3033 switch (reason) { 3034 case PDB24XX_AE_IMPL_LOGO_1: 3035 case PDB24XX_AE_IMPL_LOGO_2: 3036 case PDB24XX_AE_IMPL_LOGO_3: 3037 case PDB24XX_AE_PLOGI_RCVD: 3038 case PDB24XX_AE_PRLI_RCVD: 3039 case PDB24XX_AE_PRLO_RCVD: 3040 case PDB24XX_AE_LOGO_RCVD: 3041 case PDB24XX_AE_PLOGI_DONE: 3042 case PDB24XX_AE_PRLI_DONE: 3043 /* 3044 * If the event is not global, twiddle tgt and 3045 * tgt_set to nominate only the target 3046 * associated with the nphdl. 3047 */ 3048 if (nphdl != PDB24XX_AE_GLOBAL) { 3049 /* Break if we don't yet have the pdb */ 3050 if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp)) 3051 break; 3052 tgt = FC_PORTDB_TGT(isp, bus, lp); 3053 tgt_set = 1; 3054 } 3055 isp_fcp_reset_crn(isp, bus, tgt, tgt_set); 3056 break; 3057 default: 3058 break; /* NOP */ 3059 } 3060 } else if (evt == ISPASYNC_CHANGE_SNS) { 3061 msg = "Name Server Database Changed"; 3062 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)", 3063 bus, msg, portid); 3064 } else { 3065 msg = "Other Change Notify"; 3066 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg); 3067 } 3068 isp_loop_changed(isp, bus); 3069 break; 3070 } 3071#ifdef ISP_TARGET_MODE 3072 case ISPASYNC_TARGET_NOTIFY: 3073 { 3074 isp_notify_t *notify; 3075 va_start(ap, cmd); 3076 notify = va_arg(ap, isp_notify_t *); 3077 va_end(ap); 3078 switch (notify->nt_ncode) { 3079 case NT_ABORT_TASK: 3080 case NT_ABORT_TASK_SET: 3081 case NT_CLEAR_ACA: 3082 case NT_CLEAR_TASK_SET: 3083 case NT_LUN_RESET: 3084 case NT_TARGET_RESET: 3085 case NT_QUERY_TASK_SET: 3086 case NT_QUERY_ASYNC_EVENT: 3087 /* 3088 * These are task management functions. 3089 */ 3090 isp_handle_platform_target_tmf(isp, notify); 3091 break; 3092 case NT_LIP_RESET: 3093 case NT_LINK_UP: 3094 case NT_LINK_DOWN: 3095 case NT_HBA_RESET: 3096 /* 3097 * No action need be taken here. 3098 */ 3099 break; 3100 case NT_SRR: 3101 isp_handle_platform_srr(isp, notify); 3102 break; 3103 default: 3104 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 3105 isp_handle_platform_target_notify_ack(isp, notify, 0); 3106 break; 3107 } 3108 break; 3109 } 3110 case ISPASYNC_TARGET_NOTIFY_ACK: 3111 { 3112 void *inot; 3113 va_start(ap, cmd); 3114 inot = va_arg(ap, void *); 3115 va_end(ap); 3116 if (isp_notify_ack(isp, inot)) { 3117 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 3118 if (tp) { 3119 tp->isp = isp; 3120 memcpy(tp->data, inot, sizeof (tp->data)); 3121 tp->not = tp->data; 3122 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 3123 callout_reset(&tp->timer, 5, 3124 isp_refire_notify_ack, tp); 3125 } else { 3126 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 3127 } 3128 } 3129 break; 3130 } 3131 case ISPASYNC_TARGET_ACTION: 3132 { 3133 isphdr_t *hp; 3134 3135 va_start(ap, cmd); 3136 hp = va_arg(ap, isphdr_t *); 3137 va_end(ap); 3138 switch (hp->rqs_entry_type) { 3139 case RQSTYPE_ATIO: 3140 isp_handle_platform_atio7(isp, (at7_entry_t *)hp); 3141 break; 3142 case RQSTYPE_CTIO7: 3143 isp_handle_platform_ctio(isp, (ct7_entry_t *)hp); 3144 break; 3145 default: 3146 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", 3147 __func__, hp->rqs_entry_type); 3148 break; 3149 } 3150 break; 3151 } 3152#endif 3153 case ISPASYNC_FW_CRASH: 3154 { 3155 uint16_t mbox1; 3156 mbox1 = ISP_READ(isp, OUTMAILBOX1); 3157 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error @ RISC Address 0x%x", mbox1); 3158#if 0 3159 isp_reinit(isp, 1); 3160 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 3161#endif 3162 break; 3163 } 3164 default: 3165 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 3166 break; 3167 } 3168} 3169 3170uint64_t 3171isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 3172{ 3173 uint64_t seed; 3174 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3175 3176 /* First try to use explicitly configured WWNs. */ 3177 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 3178 if (seed) 3179 return (seed); 3180 3181 /* Otherwise try to use WWNs from NVRAM. */ 3182 if (isactive) { 3183 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : 3184 FCPARAM(isp, chan)->isp_wwpn_nvram; 3185 if (seed) 3186 return (seed); 3187 } 3188 3189 /* If still no WWNs, try to steal them from the first channel. */ 3190 if (chan > 0) { 3191 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : 3192 ISP_FC_PC(isp, 0)->def_wwpn; 3193 if (seed == 0) { 3194 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : 3195 FCPARAM(isp, 0)->isp_wwpn_nvram; 3196 } 3197 } 3198 3199 /* If still nothing -- improvise. */ 3200 if (seed == 0) { 3201 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev); 3202 if (!iswwnn) 3203 seed ^= 0x0100000000000000ULL; 3204 } 3205 3206 /* For additional channels we have to improvise even more. */ 3207 if (!iswwnn && chan > 0) { 3208 /* 3209 * We'll stick our channel number plus one first into bits 3210 * 57..59 and thence into bits 52..55 which allows for 8 bits 3211 * of channel which is enough for our maximum of 255 channels. 3212 */ 3213 seed ^= 0x0100000000000000ULL; 3214 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56; 3215 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 3216 } 3217 return (seed); 3218} 3219 3220void 3221isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 3222{ 3223 int loc; 3224 char lbuf[200]; 3225 va_list ap; 3226 3227 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3228 return; 3229 } 3230 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 3231 loc = strlen(lbuf); 3232 va_start(ap, fmt); 3233 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 3234 va_end(ap); 3235 printf("%s\n", lbuf); 3236} 3237 3238void 3239isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 3240{ 3241 va_list ap; 3242 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 3243 return; 3244 } 3245 xpt_print_path(xs->ccb_h.path); 3246 va_start(ap, fmt); 3247 vprintf(fmt, ap); 3248 va_end(ap); 3249 printf("\n"); 3250} 3251 3252uint64_t 3253isp_nanotime_sub(struct timespec *b, struct timespec *a) 3254{ 3255 uint64_t elapsed; 3256 struct timespec x; 3257 3258 timespecsub(b, a, &x); 3259 elapsed = GET_NANOSEC(&x); 3260 if (elapsed == 0) 3261 elapsed++; 3262 return (elapsed); 3263} 3264 3265int 3266isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 3267{ 3268 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3269 3270 if (fc->fcbsy) 3271 return (-1); 3272 fc->fcbsy = 1; 3273 return (0); 3274} 3275 3276void 3277isp_platform_intr(void *arg) 3278{ 3279 ispsoftc_t *isp = arg; 3280 3281 ISP_LOCK(isp); 3282 ISP_RUN_ISR(isp); 3283 ISP_UNLOCK(isp); 3284} 3285 3286void 3287isp_platform_intr_resp(void *arg) 3288{ 3289 ispsoftc_t *isp = arg; 3290 3291 ISP_LOCK(isp); 3292 isp_intr_respq(isp); 3293 ISP_UNLOCK(isp); 3294 3295 /* We have handshake enabled, so explicitly complete interrupt */ 3296 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 3297} 3298 3299void 3300isp_platform_intr_atio(void *arg) 3301{ 3302 ispsoftc_t *isp = arg; 3303 3304 ISP_LOCK(isp); 3305#ifdef ISP_TARGET_MODE 3306 isp_intr_atioq(isp); 3307#endif 3308 ISP_UNLOCK(isp); 3309 3310 /* We have handshake enabled, so explicitly complete interrupt */ 3311 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT); 3312} 3313 3314typedef struct { 3315 ispsoftc_t *isp; 3316 struct ccb_scsiio *csio; 3317 void *qe; 3318 int error; 3319} mush_t; 3320 3321static void 3322isp_dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 3323{ 3324 mush_t *mp = (mush_t *) arg; 3325 ispsoftc_t *isp= mp->isp; 3326 struct ccb_scsiio *csio = mp->csio; 3327 bus_dmasync_op_t op; 3328 3329 if (error) { 3330 mp->error = error; 3331 return; 3332 } 3333 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ 3334 ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) 3335 op = BUS_DMASYNC_PREREAD; 3336 else 3337 op = BUS_DMASYNC_PREWRITE; 3338 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op); 3339 3340 mp->error = ISP_SEND_CMD(isp, mp->qe, dm_segs, nseg); 3341 if (mp->error) 3342 isp_dmafree(isp, csio); 3343} 3344 3345int 3346isp_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *qe) 3347{ 3348 mush_t mp; 3349 int error; 3350 3351 if (XS_XFRLEN(csio)) { 3352 mp.isp = isp; 3353 mp.csio = csio; 3354 mp.qe = qe; 3355 mp.error = 0; 3356 error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, 3357 (union ccb *)csio, isp_dma2, &mp, BUS_DMA_NOWAIT); 3358 if (error == 0) 3359 error = mp.error; 3360 } else { 3361 error = ISP_SEND_CMD(isp, qe, NULL, 0); 3362 } 3363 switch (error) { 3364 case 0: 3365 case CMD_COMPLETE: 3366 case CMD_EAGAIN: 3367 case CMD_RQLATER: 3368 break; 3369 case ENOMEM: 3370 error = CMD_EAGAIN; 3371 break; 3372 case EINVAL: 3373 case EFBIG: 3374 csio->ccb_h.status = CAM_REQ_INVALID; 3375 error = CMD_COMPLETE; 3376 break; 3377 default: 3378 csio->ccb_h.status = CAM_UNREC_HBA_ERROR; 3379 error = CMD_COMPLETE; 3380 break; 3381 } 3382 return (error); 3383} 3384 3385void 3386isp_dmafree(ispsoftc_t *isp, struct ccb_scsiio *csio) 3387{ 3388 bus_dmasync_op_t op; 3389 3390 if (XS_XFRLEN(csio) == 0) 3391 return; 3392 3393 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ 3394 ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) 3395 op = BUS_DMASYNC_POSTREAD; 3396 else 3397 op = BUS_DMASYNC_POSTWRITE; 3398 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op); 3399 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 3400} 3401 3402/* 3403 * Reset the command reference number for all LUNs on a specific target 3404 * (needed when a target arrives again) or for all targets on a port 3405 * (needed for events like a LIP). 3406 */ 3407void 3408isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set) 3409{ 3410 struct isp_fc *fc = ISP_FC_PC(isp, chan); 3411 struct isp_nexus *nxp; 3412 int i; 3413 3414 if (tgt_set == 0) 3415 isp_prt(isp, ISP_LOGDEBUG0, 3416 "Chan %d resetting CRN on all targets", chan); 3417 else 3418 isp_prt(isp, ISP_LOGDEBUG0, 3419 "Chan %d resetting CRN on target %u", chan, tgt); 3420 3421 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 3422 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) { 3423 if (tgt_set == 0 || tgt == nxp->tgt) 3424 nxp->crnseed = 0; 3425 } 3426 } 3427} 3428 3429int 3430isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 3431{ 3432 lun_id_t lun; 3433 uint32_t chan, tgt; 3434 struct isp_fc *fc; 3435 struct isp_nexus *nxp; 3436 int idx; 3437 3438 chan = XS_CHANNEL(cmd); 3439 tgt = XS_TGT(cmd); 3440 lun = XS_LUN(cmd); 3441 fc = ISP_FC_PC(isp, chan); 3442 idx = NEXUS_HASH(tgt, lun); 3443 nxp = fc->nexus_hash[idx]; 3444 3445 while (nxp) { 3446 if (nxp->tgt == tgt && nxp->lun == lun) 3447 break; 3448 nxp = nxp->next; 3449 } 3450 if (nxp == NULL) { 3451 nxp = fc->nexus_free_list; 3452 if (nxp == NULL) { 3453 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 3454 if (nxp == NULL) { 3455 return (-1); 3456 } 3457 } else { 3458 fc->nexus_free_list = nxp->next; 3459 } 3460 nxp->tgt = tgt; 3461 nxp->lun = lun; 3462 nxp->next = fc->nexus_hash[idx]; 3463 fc->nexus_hash[idx] = nxp; 3464 } 3465 if (nxp->crnseed == 0) 3466 nxp->crnseed = 1; 3467 *crnp = nxp->crnseed++; 3468 return (0); 3469} 3470 3471/* 3472 * We enter with the lock held 3473 */ 3474void 3475isp_timer(void *arg) 3476{ 3477 ispsoftc_t *isp = arg; 3478#ifdef ISP_TARGET_MODE 3479 isp_tmcmd_restart(isp); 3480#endif 3481 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 3482} 3483 3484#ifdef ISP_TARGET_MODE 3485isp_ecmd_t * 3486isp_get_ecmd(ispsoftc_t *isp) 3487{ 3488 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 3489 if (ecmd) { 3490 isp->isp_osinfo.ecmd_free = ecmd->next; 3491 } 3492 return (ecmd); 3493} 3494 3495void 3496isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 3497{ 3498 ecmd->next = isp->isp_osinfo.ecmd_free; 3499 isp->isp_osinfo.ecmd_free = ecmd; 3500} 3501#endif 3502