isp_freebsd.c revision 290775
1/*- 2 * Copyright (c) 1997-2009 by Matthew Jacob 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice immediately at the beginning of the file, without modification, 10 * this list of conditions, and the following disclaimer. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27/* 28 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters. 29 */ 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD: stable/10/sys/dev/isp/isp_freebsd.c 290775 2015-11-13 19:23:22Z mav $"); 32 33#include <dev/isp/isp_freebsd.h> 34#include <sys/unistd.h> 35#include <sys/kthread.h> 36#include <sys/conf.h> 37#include <sys/module.h> 38#include <sys/ioccom.h> 39#include <dev/isp/isp_ioctl.h> 40#include <sys/devicestat.h> 41#include <cam/cam_periph.h> 42#include <cam/cam_xpt_periph.h> 43 44#if __FreeBSD_version < 800002 45#define THREAD_CREATE kthread_create 46#else 47#define THREAD_CREATE kproc_create 48#endif 49 50MODULE_VERSION(isp, 1); 51MODULE_DEPEND(isp, cam, 1, 1, 1); 52int isp_announced = 0; 53int isp_fabric_hysteresis = 5; 54int isp_loop_down_limit = 60; /* default loop down limit */ 55int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */ 56int isp_gone_device_time = 30; /* grace time before reporting device lost */ 57int isp_autoconfig = 1; /* automatically attach/detach devices */ 58static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s"; 59 60static void isp_freeze_loopdown(ispsoftc_t *, int, char *); 61static d_ioctl_t ispioctl; 62static void isp_intr_enable(void *); 63static void isp_cam_async(void *, uint32_t, struct cam_path *, void *); 64static void isp_poll(struct cam_sim *); 65static timeout_t isp_watchdog; 66static timeout_t isp_gdt; 67static task_fn_t isp_gdt_task; 68static timeout_t isp_ldt; 69static task_fn_t isp_ldt_task; 70static void isp_kthread(void *); 71static void isp_action(struct cam_sim *, union ccb *); 72#ifdef ISP_INTERNAL_TARGET 73static void isp_target_thread_pi(void *); 74static void isp_target_thread_fc(void *); 75#endif 76static int isp_timer_count; 77static void isp_timer(void *); 78 79static struct cdevsw isp_cdevsw = { 80 .d_version = D_VERSION, 81 .d_ioctl = ispioctl, 82 .d_name = "isp", 83}; 84 85static int 86isp_role_sysctl(SYSCTL_HANDLER_ARGS) 87{ 88 ispsoftc_t *isp = (ispsoftc_t *)arg1; 89 int chan = arg2; 90 int error, old, value; 91 92 value = FCPARAM(isp, chan)->role; 93 94 error = sysctl_handle_int(oidp, &value, 0, req); 95 if ((error != 0) || (req->newptr == NULL)) 96 return (error); 97 98 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH) 99 return (EINVAL); 100 101 ISP_LOCK(isp); 102 old = FCPARAM(isp, chan)->role; 103 104 /* We don't allow target mode switch from here. */ 105 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR); 106 107 /* If nothing has changed -- we are done. */ 108 if (value == old) { 109 ISP_UNLOCK(isp); 110 return (0); 111 } 112 113 /* Actually change the role. */ 114 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value); 115 ISP_UNLOCK(isp); 116 return (error); 117} 118 119static int 120isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan) 121{ 122 struct ccb_setasync csa; 123 struct cam_sim *sim; 124 struct cam_path *path; 125 126 /* 127 * Construct our SIM entry. 128 */ 129 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, device_get_unit(isp->isp_dev), &isp->isp_osinfo.lock, isp->isp_maxcmds, isp->isp_maxcmds, devq); 130 131 if (sim == NULL) { 132 return (ENOMEM); 133 } 134 135 ISP_LOCK(isp); 136 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) { 137 ISP_UNLOCK(isp); 138 cam_sim_free(sim, FALSE); 139 return (EIO); 140 } 141 ISP_UNLOCK(isp); 142 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 143 ISP_LOCK(isp); 144 xpt_bus_deregister(cam_sim_path(sim)); 145 ISP_UNLOCK(isp); 146 cam_sim_free(sim, FALSE); 147 return (ENXIO); 148 } 149 xpt_setup_ccb(&csa.ccb_h, path, 5); 150 csa.ccb_h.func_code = XPT_SASYNC_CB; 151 csa.event_enable = AC_LOST_DEVICE; 152 csa.callback = isp_cam_async; 153 csa.callback_arg = sim; 154 155 ISP_LOCK(isp); 156 xpt_action((union ccb *)&csa); 157 ISP_UNLOCK(isp); 158 159 if (IS_SCSI(isp)) { 160 struct isp_spi *spi = ISP_SPI_PC(isp, chan); 161 spi->sim = sim; 162 spi->path = path; 163#ifdef ISP_INTERNAL_TARGET 164 ISP_SET_PC(isp, chan, proc_active, 1); 165 if (THREAD_CREATE(isp_target_thread_pi, spi, &spi->target_proc, 0, 0, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 166 ISP_SET_PC(isp, chan, proc_active, 0); 167 isp_prt(isp, ISP_LOGERR, "cannot create test target thread"); 168 } 169 ISP_SPI_PC(isp, chan)->num_threads += 1; 170#endif 171 } else { 172 fcparam *fcp = FCPARAM(isp, chan); 173 struct isp_fc *fc = ISP_FC_PC(isp, chan); 174 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev); 175 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev); 176 char name[16]; 177 178 ISP_LOCK(isp); 179 fc->sim = sim; 180 fc->path = path; 181 fc->isp = isp; 182 fc->ready = 1; 183 184 callout_init_mtx(&fc->ldt, &isp->isp_osinfo.lock, 0); 185 callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0); 186 TASK_INIT(&fc->ltask, 1, isp_ldt_task, fc); 187 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc); 188 189 /* 190 * We start by being "loop down" if we have an initiator role 191 */ 192 if (fcp->role & ISP_ROLE_INITIATOR) { 193 isp_freeze_loopdown(isp, chan, "isp_attach"); 194 callout_reset(&fc->ldt, isp_quickboot_time * hz, isp_ldt, fc); 195 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Initial Loop Down Timer @ %lu", (unsigned long) time_uptime); 196 } 197 ISP_UNLOCK(isp); 198 if (THREAD_CREATE(isp_kthread, fc, &fc->kproc, 0, 0, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 199 xpt_free_path(fc->path); 200 ISP_LOCK(isp); 201 if (callout_active(&fc->ldt)) 202 callout_stop(&fc->ldt); 203 xpt_bus_deregister(cam_sim_path(fc->sim)); 204 ISP_UNLOCK(isp); 205 cam_sim_free(fc->sim, FALSE); 206 return (ENOMEM); 207 } 208 ISP_FC_PC(isp, chan)->num_threads += 1; 209#ifdef ISP_INTERNAL_TARGET 210 ISP_SET_PC(isp, chan, proc_active, 1); 211 if (THREAD_CREATE(isp_target_thread_fc, fc, &fc->target_proc, 0, 0, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) { 212 ISP_SET_PC(isp, chan, proc_active, 0); 213 isp_prt(isp, ISP_LOGERR, "cannot create test target thread"); 214 } 215 ISP_FC_PC(isp, chan)->num_threads += 1; 216#endif 217 if (chan > 0) { 218 snprintf(name, sizeof(name), "chan%d", chan); 219 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), 220 OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel"); 221 } 222 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwnn", CTLFLAG_RD, &FCPARAM(isp, chan)->isp_wwnn, "World Wide Node Name"); 223 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwpn", CTLFLAG_RD, &FCPARAM(isp, chan)->isp_wwpn, "World Wide Port Name"); 224 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "loop_down_limit", CTLFLAG_RW, &ISP_FC_PC(isp, chan)->loop_down_limit, 0, "Loop Down Limit"); 225 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "gone_device_time", CTLFLAG_RW, &ISP_FC_PC(isp, chan)->gone_device_time, 0, "Gone Device Time"); 226#if defined(ISP_TARGET_MODE) && defined(DEBUG) 227 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "inject_lost_data_frame", CTLFLAG_RW, &ISP_FC_PC(isp, chan)->inject_lost_data_frame, 0, "Cause a Lost Frame on a Read"); 228#endif 229 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 230 "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan, 231 isp_role_sysctl, "I", "Current role"); 232 } 233 return (0); 234} 235 236static void 237isp_detach_internal_target(ispsoftc_t *isp, int chan) 238{ 239#ifdef ISP_INTERNAL_TARGET 240 void *wchan; 241 242 ISP_GET_PC(isp, chan, target_proc, wchan); 243 ISP_SET_PC(isp, chan, proc_active, 0); 244 wakeup(wchan); 245#endif 246} 247 248static void 249isp_detach_chan(ispsoftc_t *isp, int chan) 250{ 251 struct cam_sim *sim; 252 struct cam_path *path; 253 struct ccb_setasync csa; 254 int *num_threads; 255 256 ISP_GET_PC(isp, chan, sim, sim); 257 ISP_GET_PC(isp, chan, path, path); 258 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads); 259 260 xpt_setup_ccb(&csa.ccb_h, path, 5); 261 csa.ccb_h.func_code = XPT_SASYNC_CB; 262 csa.event_enable = 0; 263 csa.callback = isp_cam_async; 264 csa.callback_arg = sim; 265 xpt_action((union ccb *)&csa); 266 xpt_free_path(path); 267 xpt_bus_deregister(cam_sim_path(sim)); 268 cam_sim_free(sim, FALSE); 269 270 /* Wait for the channel's spawned threads to exit. */ 271 wakeup(isp->isp_osinfo.pc.ptr); 272 isp_detach_internal_target(isp, chan); 273 while (*num_threads != 0) 274 mtx_sleep(isp, &isp->isp_osinfo.lock, PRIBIO, "isp_reap", 100); 275} 276 277int 278isp_attach(ispsoftc_t *isp) 279{ 280 const char *nu = device_get_nameunit(isp->isp_osinfo.dev); 281 int du = device_get_unit(isp->isp_dev); 282 int chan; 283 284 isp->isp_osinfo.ehook.ich_func = isp_intr_enable; 285 isp->isp_osinfo.ehook.ich_arg = isp; 286 /* 287 * Haha. Set this first, because if we're loaded as a module isp_intr_enable 288 * will be called right awawy, which will clear isp_osinfo.ehook_active, 289 * which would be unwise to then set again later. 290 */ 291 isp->isp_osinfo.ehook_active = 1; 292 if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) { 293 isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook"); 294 return (-EIO); 295 } 296 297 /* 298 * Create the device queue for our SIM(s). 299 */ 300 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds); 301 if (isp->isp_osinfo.devq == NULL) { 302 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 303 return (EIO); 304 } 305 306 for (chan = 0; chan < isp->isp_nchan; chan++) { 307 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) { 308 goto unwind; 309 } 310 } 311 312 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0); 313 isp_timer_count = hz >> 2; 314 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 315 isp->isp_osinfo.timer_active = 1; 316 317 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu); 318 if (isp->isp_osinfo.cdev) { 319 isp->isp_osinfo.cdev->si_drv1 = isp; 320 } 321 return (0); 322 323unwind: 324 while (--chan >= 0) { 325 struct cam_sim *sim; 326 struct cam_path *path; 327 328 ISP_GET_PC(isp, chan, sim, sim); 329 ISP_GET_PC(isp, chan, path, path); 330 xpt_free_path(path); 331 ISP_LOCK(isp); 332 xpt_bus_deregister(cam_sim_path(sim)); 333 ISP_UNLOCK(isp); 334 cam_sim_free(sim, FALSE); 335 } 336 if (isp->isp_osinfo.ehook_active) { 337 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 338 isp->isp_osinfo.ehook_active = 0; 339 } 340 if (isp->isp_osinfo.cdev) { 341 destroy_dev(isp->isp_osinfo.cdev); 342 isp->isp_osinfo.cdev = NULL; 343 } 344 cam_simq_free(isp->isp_osinfo.devq); 345 isp->isp_osinfo.devq = NULL; 346 return (-1); 347} 348 349int 350isp_detach(ispsoftc_t *isp) 351{ 352 struct cam_sim *sim; 353 int chan; 354 355 ISP_LOCK(isp); 356 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) { 357 ISP_GET_PC(isp, chan, sim, sim); 358 if (sim->refcount > 2) { 359 ISP_UNLOCK(isp); 360 return (EBUSY); 361 } 362 } 363 /* Tell spawned threads that we're exiting. */ 364 isp->isp_osinfo.is_exiting = 1; 365 if (isp->isp_osinfo.timer_active) { 366 callout_stop(&isp->isp_osinfo.tmo); 367 isp->isp_osinfo.timer_active = 0; 368 } 369 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) 370 isp_detach_chan(isp, chan); 371 ISP_UNLOCK(isp); 372 373 if (isp->isp_osinfo.cdev) { 374 destroy_dev(isp->isp_osinfo.cdev); 375 isp->isp_osinfo.cdev = NULL; 376 } 377 if (isp->isp_osinfo.ehook_active) { 378 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 379 isp->isp_osinfo.ehook_active = 0; 380 } 381 if (isp->isp_osinfo.devq != NULL) { 382 cam_simq_free(isp->isp_osinfo.devq); 383 isp->isp_osinfo.devq = NULL; 384 } 385 return (0); 386} 387 388static void 389isp_freeze_loopdown(ispsoftc_t *isp, int chan, char *msg) 390{ 391 if (IS_FC(isp)) { 392 struct isp_fc *fc = ISP_FC_PC(isp, chan); 393 if (fc->simqfrozen == 0) { 394 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown) chan %d", msg, chan); 395 fc->simqfrozen = SIMQFRZ_LOOPDOWN; 396 xpt_freeze_simq(fc->sim, 1); 397 } else { 398 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown) chan %d", msg, chan); 399 fc->simqfrozen |= SIMQFRZ_LOOPDOWN; 400 } 401 } 402} 403 404static void 405isp_unfreeze_loopdown(ispsoftc_t *isp, int chan) 406{ 407 if (IS_FC(isp)) { 408 struct isp_fc *fc = ISP_FC_PC(isp, chan); 409 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN; 410 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN; 411 if (wasfrozen && fc->simqfrozen == 0) { 412 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d releasing simq", __func__, chan); 413 xpt_release_simq(fc->sim, 1); 414 } 415 } 416} 417 418 419static int 420ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td) 421{ 422 ispsoftc_t *isp; 423 int nr, chan, retval = ENOTTY; 424 425 isp = dev->si_drv1; 426 427 switch (c) { 428 case ISP_SDBLEV: 429 { 430 int olddblev = isp->isp_dblev; 431 isp->isp_dblev = *(int *)addr; 432 *(int *)addr = olddblev; 433 retval = 0; 434 break; 435 } 436 case ISP_GETROLE: 437 chan = *(int *)addr; 438 if (chan < 0 || chan >= isp->isp_nchan) { 439 retval = -ENXIO; 440 break; 441 } 442 if (IS_FC(isp)) { 443 *(int *)addr = FCPARAM(isp, chan)->role; 444 } else { 445 *(int *)addr = SDPARAM(isp, chan)->role; 446 } 447 retval = 0; 448 break; 449 case ISP_SETROLE: 450 nr = *(int *)addr; 451 chan = nr >> 8; 452 if (chan < 0 || chan >= isp->isp_nchan) { 453 retval = -ENXIO; 454 break; 455 } 456 nr &= 0xff; 457 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { 458 retval = EINVAL; 459 break; 460 } 461 ISP_LOCK(isp); 462 if (IS_FC(isp)) 463 *(int *)addr = FCPARAM(isp, chan)->role; 464 else 465 *(int *)addr = SDPARAM(isp, chan)->role; 466 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr); 467 ISP_UNLOCK(isp); 468 retval = 0; 469 break; 470 471 case ISP_RESETHBA: 472 ISP_LOCK(isp); 473 isp_reinit(isp, 0); 474 ISP_UNLOCK(isp); 475 retval = 0; 476 break; 477 478 case ISP_RESCAN: 479 if (IS_FC(isp)) { 480 chan = *(int *)addr; 481 if (chan < 0 || chan >= isp->isp_nchan) { 482 retval = -ENXIO; 483 break; 484 } 485 ISP_LOCK(isp); 486 if (isp_fc_runstate(isp, chan, 5 * 1000000)) { 487 retval = EIO; 488 } else { 489 retval = 0; 490 } 491 ISP_UNLOCK(isp); 492 } 493 break; 494 495 case ISP_FC_LIP: 496 if (IS_FC(isp)) { 497 chan = *(int *)addr; 498 if (chan < 0 || chan >= isp->isp_nchan) { 499 retval = -ENXIO; 500 break; 501 } 502 ISP_LOCK(isp); 503 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) { 504 retval = EIO; 505 } else { 506 retval = 0; 507 } 508 ISP_UNLOCK(isp); 509 } 510 break; 511 case ISP_FC_GETDINFO: 512 { 513 struct isp_fc_device *ifc = (struct isp_fc_device *) addr; 514 fcportdb_t *lp; 515 516 if (IS_SCSI(isp)) { 517 break; 518 } 519 if (ifc->loopid >= MAX_FC_TARG) { 520 retval = EINVAL; 521 break; 522 } 523 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; 524 if (lp->state != FC_PORTDB_STATE_NIL) { 525 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 526 ifc->loopid = lp->handle; 527 ifc->portid = lp->portid; 528 ifc->node_wwn = lp->node_wwn; 529 ifc->port_wwn = lp->port_wwn; 530 retval = 0; 531 } else { 532 retval = ENODEV; 533 } 534 break; 535 } 536 case ISP_GET_STATS: 537 { 538 isp_stats_t *sp = (isp_stats_t *) addr; 539 540 ISP_MEMZERO(sp, sizeof (*sp)); 541 sp->isp_stat_version = ISP_STATS_VERSION; 542 sp->isp_type = isp->isp_type; 543 sp->isp_revision = isp->isp_revision; 544 ISP_LOCK(isp); 545 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; 546 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; 547 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; 548 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; 549 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; 550 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; 551 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; 552 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; 553 ISP_UNLOCK(isp); 554 retval = 0; 555 break; 556 } 557 case ISP_CLR_STATS: 558 ISP_LOCK(isp); 559 isp->isp_intcnt = 0; 560 isp->isp_intbogus = 0; 561 isp->isp_intmboxc = 0; 562 isp->isp_intoasync = 0; 563 isp->isp_rsltccmplt = 0; 564 isp->isp_fphccmplt = 0; 565 isp->isp_rscchiwater = 0; 566 isp->isp_fpcchiwater = 0; 567 ISP_UNLOCK(isp); 568 retval = 0; 569 break; 570 case ISP_FC_GETHINFO: 571 { 572 struct isp_hba_device *hba = (struct isp_hba_device *) addr; 573 int chan = hba->fc_channel; 574 575 if (chan < 0 || chan >= isp->isp_nchan) { 576 retval = ENXIO; 577 break; 578 } 579 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); 580 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); 581 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); 582 hba->fc_nchannels = isp->isp_nchan; 583 if (IS_FC(isp)) { 584 hba->fc_nports = MAX_FC_TARG; 585 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed; 586 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1; 587 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid; 588 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram; 589 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram; 590 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn; 591 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn; 592 } else { 593 hba->fc_nports = MAX_TARGETS; 594 hba->fc_speed = 0; 595 hba->fc_topology = 0; 596 hba->nvram_node_wwn = 0ull; 597 hba->nvram_port_wwn = 0ull; 598 hba->active_node_wwn = 0ull; 599 hba->active_port_wwn = 0ull; 600 } 601 retval = 0; 602 break; 603 } 604 case ISP_TSK_MGMT: 605 { 606 int needmarker; 607 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; 608 uint16_t loopid; 609 mbreg_t mbs; 610 611 if (IS_SCSI(isp)) { 612 break; 613 } 614 615 chan = fct->chan; 616 if (chan < 0 || chan >= isp->isp_nchan) { 617 retval = -ENXIO; 618 break; 619 } 620 621 needmarker = retval = 0; 622 loopid = fct->loopid; 623 ISP_LOCK(isp); 624 if (IS_24XX(isp)) { 625 uint8_t local[QENTRY_LEN]; 626 isp24xx_tmf_t *tmf; 627 isp24xx_statusreq_t *sp; 628 fcparam *fcp = FCPARAM(isp, chan); 629 fcportdb_t *lp; 630 int i; 631 632 for (i = 0; i < MAX_FC_TARG; i++) { 633 lp = &fcp->portdb[i]; 634 if (lp->handle == loopid) { 635 break; 636 } 637 } 638 if (i == MAX_FC_TARG) { 639 retval = ENXIO; 640 ISP_UNLOCK(isp); 641 break; 642 } 643 /* XXX VALIDATE LP XXX */ 644 tmf = (isp24xx_tmf_t *) local; 645 ISP_MEMZERO(tmf, QENTRY_LEN); 646 tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT; 647 tmf->tmf_header.rqs_entry_count = 1; 648 tmf->tmf_nphdl = lp->handle; 649 tmf->tmf_delay = 2; 650 tmf->tmf_timeout = 2; 651 tmf->tmf_tidlo = lp->portid; 652 tmf->tmf_tidhi = lp->portid >> 16; 653 tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan); 654 tmf->tmf_lun[1] = fct->lun & 0xff; 655 if (fct->lun >= 256) { 656 tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8); 657 } 658 switch (fct->action) { 659 case IPT_CLEAR_ACA: 660 tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA; 661 break; 662 case IPT_TARGET_RESET: 663 tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET; 664 needmarker = 1; 665 break; 666 case IPT_LUN_RESET: 667 tmf->tmf_flags = ISP24XX_TMF_LUN_RESET; 668 needmarker = 1; 669 break; 670 case IPT_CLEAR_TASK_SET: 671 tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET; 672 needmarker = 1; 673 break; 674 case IPT_ABORT_TASK_SET: 675 tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET; 676 needmarker = 1; 677 break; 678 default: 679 retval = EINVAL; 680 break; 681 } 682 if (retval) { 683 ISP_UNLOCK(isp); 684 break; 685 } 686 MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL, 5000000); 687 mbs.param[1] = QENTRY_LEN; 688 mbs.param[2] = DMA_WD1(fcp->isp_scdma); 689 mbs.param[3] = DMA_WD0(fcp->isp_scdma); 690 mbs.param[6] = DMA_WD3(fcp->isp_scdma); 691 mbs.param[7] = DMA_WD2(fcp->isp_scdma); 692 693 if (FC_SCRATCH_ACQUIRE(isp, chan)) { 694 ISP_UNLOCK(isp); 695 retval = ENOMEM; 696 break; 697 } 698 isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch); 699 MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan); 700 sp = (isp24xx_statusreq_t *) local; 701 sp->req_completion_status = 1; 702 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 703 MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan); 704 isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp); 705 FC_SCRATCH_RELEASE(isp, chan); 706 if (retval || sp->req_completion_status != 0) { 707 FC_SCRATCH_RELEASE(isp, chan); 708 retval = EIO; 709 } 710 if (retval == 0) { 711 if (needmarker) { 712 fcp->sendmarker = 1; 713 } 714 } 715 } else { 716 MBSINIT(&mbs, 0, MBLOGALL, 0); 717 if (ISP_CAP_2KLOGIN(isp) == 0) { 718 loopid <<= 8; 719 } 720 switch (fct->action) { 721 case IPT_CLEAR_ACA: 722 mbs.param[0] = MBOX_CLEAR_ACA; 723 mbs.param[1] = loopid; 724 mbs.param[2] = fct->lun; 725 break; 726 case IPT_TARGET_RESET: 727 mbs.param[0] = MBOX_TARGET_RESET; 728 mbs.param[1] = loopid; 729 needmarker = 1; 730 break; 731 case IPT_LUN_RESET: 732 mbs.param[0] = MBOX_LUN_RESET; 733 mbs.param[1] = loopid; 734 mbs.param[2] = fct->lun; 735 needmarker = 1; 736 break; 737 case IPT_CLEAR_TASK_SET: 738 mbs.param[0] = MBOX_CLEAR_TASK_SET; 739 mbs.param[1] = loopid; 740 mbs.param[2] = fct->lun; 741 needmarker = 1; 742 break; 743 case IPT_ABORT_TASK_SET: 744 mbs.param[0] = MBOX_ABORT_TASK_SET; 745 mbs.param[1] = loopid; 746 mbs.param[2] = fct->lun; 747 needmarker = 1; 748 break; 749 default: 750 retval = EINVAL; 751 break; 752 } 753 if (retval == 0) { 754 if (needmarker) { 755 FCPARAM(isp, chan)->sendmarker = 1; 756 } 757 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); 758 if (retval) { 759 retval = EIO; 760 } 761 } 762 } 763 ISP_UNLOCK(isp); 764 break; 765 } 766 default: 767 break; 768 } 769 return (retval); 770} 771 772static void 773isp_intr_enable(void *arg) 774{ 775 int chan; 776 ispsoftc_t *isp = arg; 777 ISP_LOCK(isp); 778 for (chan = 0; chan < isp->isp_nchan; chan++) { 779 if (IS_FC(isp)) { 780 if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) { 781 ISP_ENABLE_INTS(isp); 782 break; 783 } 784 } else { 785 if (SDPARAM(isp, chan)->role != ISP_ROLE_NONE) { 786 ISP_ENABLE_INTS(isp); 787 break; 788 } 789 } 790 } 791 isp->isp_osinfo.ehook_active = 0; 792 ISP_UNLOCK(isp); 793 /* Release our hook so that the boot can continue. */ 794 config_intrhook_disestablish(&isp->isp_osinfo.ehook); 795} 796 797/* 798 * Local Inlines 799 */ 800 801static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *); 802static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *); 803 804static ISP_INLINE int 805isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb) 806{ 807 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free; 808 if (ISP_PCMD(ccb) == NULL) { 809 return (-1); 810 } 811 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next; 812 return (0); 813} 814 815static ISP_INLINE void 816isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb) 817{ 818 if (ISP_PCMD(ccb)) { 819#ifdef ISP_TARGET_MODE 820 PISP_PCMD(ccb)->datalen = 0; 821 PISP_PCMD(ccb)->totslen = 0; 822 PISP_PCMD(ccb)->cumslen = 0; 823 PISP_PCMD(ccb)->crn = 0; 824#endif 825 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free; 826 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb); 827 ISP_PCMD(ccb) = NULL; 828 } 829} 830 831/* 832 * Put the target mode functions here, because some are inlines 833 */ 834#ifdef ISP_TARGET_MODE 835static ISP_INLINE void isp_tmlock(ispsoftc_t *, const char *); 836static ISP_INLINE void isp_tmunlk(ispsoftc_t *); 837static ISP_INLINE int is_any_lun_enabled(ispsoftc_t *, int); 838static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t); 839static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t); 840static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t); 841static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *); 842static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **); 843static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t); 844static ISP_INLINE atio_private_data_t *isp_find_atpd(ispsoftc_t *, tstate_t *, uint32_t); 845static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *); 846static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *); 847static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t); 848static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *); 849static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **); 850static void destroy_lun_state(ispsoftc_t *, tstate_t *); 851static void isp_enable_lun(ispsoftc_t *, union ccb *); 852static cam_status isp_enable_deferred_luns(ispsoftc_t *, int); 853static cam_status isp_enable_deferred(ispsoftc_t *, int, lun_id_t); 854static void isp_disable_lun(ispsoftc_t *, union ccb *); 855static int isp_enable_target_mode(ispsoftc_t *, int); 856static int isp_disable_target_mode(ispsoftc_t *, int); 857static void isp_ledone(ispsoftc_t *, lun_entry_t *); 858static timeout_t isp_refire_putback_atio; 859static timeout_t isp_refire_notify_ack; 860static void isp_complete_ctio(union ccb *); 861static void isp_target_putback_atio(union ccb *); 862enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE }; 863static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How); 864static void isp_handle_platform_atio(ispsoftc_t *, at_entry_t *); 865static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *); 866static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *); 867static void isp_handle_platform_ctio(ispsoftc_t *, void *); 868static void isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *); 869static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *); 870static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *); 871static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *); 872static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *); 873static void isp_target_mark_aborted(ispsoftc_t *, union ccb *); 874static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t); 875 876static ISP_INLINE void 877isp_tmlock(ispsoftc_t *isp, const char *msg) 878{ 879 while (isp->isp_osinfo.tmbusy) { 880 isp->isp_osinfo.tmwanted = 1; 881 mtx_sleep(isp, &isp->isp_lock, PRIBIO, msg, 0); 882 } 883 isp->isp_osinfo.tmbusy = 1; 884} 885 886static ISP_INLINE void 887isp_tmunlk(ispsoftc_t *isp) 888{ 889 isp->isp_osinfo.tmbusy = 0; 890 if (isp->isp_osinfo.tmwanted) { 891 isp->isp_osinfo.tmwanted = 0; 892 wakeup(isp); 893 } 894} 895 896static ISP_INLINE int 897is_any_lun_enabled(ispsoftc_t *isp, int bus) 898{ 899 struct tslist *lhp; 900 int i; 901 902 for (i = 0; i < LUN_HASH_SIZE; i++) { 903 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 904 if (SLIST_FIRST(lhp)) 905 return (1); 906 } 907 return (0); 908} 909 910static ISP_INLINE int 911is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun) 912{ 913 tstate_t *tptr; 914 struct tslist *lhp; 915 916 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 917 SLIST_FOREACH(tptr, lhp, next) { 918 if (tptr->ts_lun == lun) { 919 return (1); 920 } 921 } 922 return (0); 923} 924 925static void 926dump_tstates(ispsoftc_t *isp, int bus) 927{ 928 int i, j; 929 struct tslist *lhp; 930 tstate_t *tptr = NULL; 931 932 if (bus >= isp->isp_nchan) { 933 return; 934 } 935 for (i = 0; i < LUN_HASH_SIZE; i++) { 936 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 937 j = 0; 938 SLIST_FOREACH(tptr, lhp, next) { 939 xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count); 940 j++; 941 } 942 } 943} 944 945static ISP_INLINE tstate_t * 946get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun) 947{ 948 tstate_t *tptr = NULL; 949 struct tslist *lhp; 950 951 if (bus < isp->isp_nchan) { 952 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 953 SLIST_FOREACH(tptr, lhp, next) { 954 if (tptr->ts_lun == lun) { 955 tptr->hold++; 956 return (tptr); 957 } 958 } 959 } 960 return (NULL); 961} 962 963static ISP_INLINE tstate_t * 964get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval) 965{ 966 tstate_t *tptr = NULL; 967 atio_private_data_t *atp; 968 struct tslist *lhp; 969 int i; 970 971 if (bus < isp->isp_nchan && tagval != 0) { 972 for (i = 0; i < LUN_HASH_SIZE; i++) { 973 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 974 SLIST_FOREACH(tptr, lhp, next) { 975 atp = isp_find_atpd(isp, tptr, tagval); 976 if (atp) { 977 tptr->hold++; 978 return (tptr); 979 } 980 } 981 } 982 } 983 return (NULL); 984} 985 986static ISP_INLINE inot_private_data_t * 987get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt) 988{ 989 inot_private_data_t *ntp; 990 tstate_t *tptr; 991 struct tslist *lhp; 992 int bus, i; 993 994 for (bus = 0; bus < isp->isp_nchan; bus++) { 995 for (i = 0; i < LUN_HASH_SIZE; i++) { 996 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 997 SLIST_FOREACH(tptr, lhp, next) { 998 ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id); 999 if (ntp) { 1000 *rslt = tptr; 1001 tptr->hold++; 1002 return (ntp); 1003 } 1004 } 1005 } 1006 } 1007 return (NULL); 1008} 1009 1010static ISP_INLINE void 1011rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr) 1012{ 1013 KASSERT((tptr->hold), ("tptr not held")); 1014 tptr->hold--; 1015} 1016 1017static void 1018isp_tmcmd_restart(ispsoftc_t *isp) 1019{ 1020 inot_private_data_t *ntp; 1021 inot_private_data_t *restart_queue; 1022 tstate_t *tptr; 1023 union ccb *ccb; 1024 struct tslist *lhp; 1025 int bus, i; 1026 1027 for (bus = 0; bus < isp->isp_nchan; bus++) { 1028 for (i = 0; i < LUN_HASH_SIZE; i++) { 1029 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1030 SLIST_FOREACH(tptr, lhp, next) { 1031 if ((restart_queue = tptr->restart_queue) != NULL) 1032 tptr->restart_queue = NULL; 1033 while (restart_queue) { 1034 ntp = restart_queue; 1035 restart_queue = ntp->rd.nt.nt_hba; 1036 if (IS_24XX(isp)) { 1037 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid); 1038 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data); 1039 } else { 1040 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid); 1041 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data); 1042 } 1043 isp_put_ntpd(isp, tptr, ntp); 1044 if (tptr->restart_queue && restart_queue != NULL) { 1045 ntp = tptr->restart_queue; 1046 tptr->restart_queue = restart_queue; 1047 while (restart_queue->rd.nt.nt_hba) { 1048 restart_queue = restart_queue->rd.nt.nt_hba; 1049 } 1050 restart_queue->rd.nt.nt_hba = ntp; 1051 break; 1052 } 1053 } 1054 /* 1055 * We only need to do this once per tptr 1056 */ 1057 if (!TAILQ_EMPTY(&tptr->waitq)) { 1058 ccb = (union ccb *)TAILQ_LAST(&tptr->waitq, isp_ccbq); 1059 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1060 isp_target_start_ctio(isp, ccb, FROM_TIMER); 1061 } 1062 } 1063 } 1064 } 1065} 1066 1067static ISP_INLINE atio_private_data_t * 1068isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag) 1069{ 1070 atio_private_data_t *atp; 1071 1072 atp = LIST_FIRST(&tptr->atfree); 1073 if (atp) { 1074 LIST_REMOVE(atp, next); 1075 atp->tag = tag; 1076 LIST_INSERT_HEAD(&tptr->atused[ATPDPHASH(tag)], atp, next); 1077 } 1078 return (atp); 1079} 1080 1081static ISP_INLINE atio_private_data_t * 1082isp_find_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag) 1083{ 1084 atio_private_data_t *atp; 1085 1086 LIST_FOREACH(atp, &tptr->atused[ATPDPHASH(tag)], next) { 1087 if (atp->tag == tag) 1088 return (atp); 1089 } 1090 return (NULL); 1091} 1092 1093static ISP_INLINE void 1094isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp) 1095{ 1096 if (atp->ests) { 1097 isp_put_ecmd(isp, atp->ests); 1098 } 1099 LIST_REMOVE(atp, next); 1100 memset(atp, 0, sizeof (*atp)); 1101 LIST_INSERT_HEAD(&tptr->atfree, atp, next); 1102} 1103 1104static void 1105isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr) 1106{ 1107 atio_private_data_t *atp; 1108 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" }; 1109 1110 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) { 1111 xpt_print(tptr->owner, "ATP: [0x%x] origdlen %u bytes_xfrd %u lun %u nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s\n", 1112 atp->tag, atp->orig_datalen, atp->bytes_xfered, atp->lun, atp->nphdl, atp->sid, atp->portid, atp->oxid, states[atp->state & 0x7]); 1113 } 1114} 1115 1116 1117static ISP_INLINE inot_private_data_t * 1118isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr) 1119{ 1120 inot_private_data_t *ntp; 1121 ntp = tptr->ntfree; 1122 if (ntp) { 1123 tptr->ntfree = ntp->next; 1124 } 1125 return (ntp); 1126} 1127 1128static ISP_INLINE inot_private_data_t * 1129isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id) 1130{ 1131 inot_private_data_t *ntp; 1132 for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) { 1133 if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) { 1134 return (ntp); 1135 } 1136 } 1137 return (NULL); 1138} 1139 1140static ISP_INLINE void 1141isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp) 1142{ 1143 ntp->rd.tag_id = ntp->rd.seq_id = 0; 1144 ntp->next = tptr->ntfree; 1145 tptr->ntfree = ntp; 1146} 1147 1148static cam_status 1149create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt) 1150{ 1151 cam_status status; 1152 lun_id_t lun; 1153 struct tslist *lhp; 1154 tstate_t *tptr; 1155 int i; 1156 1157 lun = xpt_path_lun_id(path); 1158 if (lun != CAM_LUN_WILDCARD) { 1159 if (lun >= ISP_MAX_LUNS(isp)) { 1160 return (CAM_LUN_INVALID); 1161 } 1162 } 1163 if (is_lun_enabled(isp, bus, lun)) { 1164 return (CAM_LUN_ALRDY_ENA); 1165 } 1166 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO); 1167 if (tptr == NULL) { 1168 return (CAM_RESRC_UNAVAIL); 1169 } 1170 tptr->ts_lun = lun; 1171 status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun); 1172 if (status != CAM_REQ_CMP) { 1173 free(tptr, M_DEVBUF); 1174 return (status); 1175 } 1176 SLIST_INIT(&tptr->atios); 1177 SLIST_INIT(&tptr->inots); 1178 TAILQ_INIT(&tptr->waitq); 1179 LIST_INIT(&tptr->atfree); 1180 for (i = ATPDPSIZE-1; i >= 0; i--) 1181 LIST_INSERT_HEAD(&tptr->atfree, &tptr->atpool[i], next); 1182 for (i = 0; i < ATPDPHASHSIZE; i++) 1183 LIST_INIT(&tptr->atused[i]); 1184 for (i = 0; i < ATPDPSIZE-1; i++) 1185 tptr->ntpool[i].next = &tptr->ntpool[i+1]; 1186 tptr->ntfree = tptr->ntpool; 1187 tptr->hold = 1; 1188 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp); 1189 SLIST_INSERT_HEAD(lhp, tptr, next); 1190 *rslt = tptr; 1191 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n"); 1192 return (CAM_REQ_CMP); 1193} 1194 1195static ISP_INLINE void 1196destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr) 1197{ 1198 union ccb *ccb; 1199 struct tslist *lhp; 1200 1201 KASSERT((tptr->hold != 0), ("tptr is not held")); 1202 KASSERT((tptr->hold == 1), ("tptr still held (%d)", tptr->hold)); 1203 do { 1204 ccb = (union ccb *)SLIST_FIRST(&tptr->atios); 1205 if (ccb) { 1206 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 1207 ccb->ccb_h.status = CAM_REQ_ABORTED; 1208 xpt_done(ccb); 1209 } 1210 } while (ccb); 1211 do { 1212 ccb = (union ccb *)SLIST_FIRST(&tptr->inots); 1213 if (ccb) { 1214 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 1215 ccb->ccb_h.status = CAM_REQ_ABORTED; 1216 xpt_done(ccb); 1217 } 1218 } while (ccb); 1219 ISP_GET_PC_ADDR(isp, cam_sim_bus(xpt_path_sim(tptr->owner)), lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp); 1220 SLIST_REMOVE(lhp, tptr, tstate, next); 1221 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "destroyed tstate\n"); 1222 xpt_free_path(tptr->owner); 1223 free(tptr, M_DEVBUF); 1224} 1225 1226/* 1227 * Enable a lun. 1228 */ 1229static void 1230isp_enable_lun(ispsoftc_t *isp, union ccb *ccb) 1231{ 1232 tstate_t *tptr = NULL; 1233 int bus, tm_enabled, target_role; 1234 target_id_t target; 1235 lun_id_t lun; 1236 1237 1238 /* 1239 * We only support either a wildcard target/lun or a target ID of zero and a non-wildcard lun 1240 */ 1241 bus = XS_CHANNEL(ccb); 1242 target = ccb->ccb_h.target_id; 1243 lun = ccb->ccb_h.target_lun; 1244 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "enabling lun %u\n", lun); 1245 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) { 1246 ccb->ccb_h.status = CAM_LUN_INVALID; 1247 xpt_done(ccb); 1248 return; 1249 } 1250 1251 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 1252 ccb->ccb_h.status = CAM_LUN_INVALID; 1253 xpt_done(ccb); 1254 return; 1255 } 1256 if (isp->isp_dblev & ISP_LOGTDEBUG0) { 1257 xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus); 1258 } 1259 1260 /* 1261 * Wait until we're not busy with the lun enables subsystem 1262 */ 1263 isp_tmlock(isp, "isp_enable_lun"); 1264 1265 /* 1266 * This is as a good a place as any to check f/w capabilities. 1267 */ 1268 1269 if (IS_FC(isp)) { 1270 if (ISP_CAP_TMODE(isp) == 0) { 1271 xpt_print(ccb->ccb_h.path, "firmware does not support target mode\n"); 1272 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1273 goto done; 1274 } 1275 /* 1276 * We *could* handle non-SCCLUN f/w, but we'd have to 1277 * dork with our already fragile enable/disable code. 1278 */ 1279 if (ISP_CAP_SCCFW(isp) == 0) { 1280 xpt_print(ccb->ccb_h.path, "firmware not SCCLUN capable\n"); 1281 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 1282 goto done; 1283 } 1284 1285 target_role = (FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0; 1286 1287 } else { 1288 target_role = (SDPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0; 1289 } 1290 1291 /* 1292 * Create the state pointer. 1293 * It should not already exist. 1294 */ 1295 tptr = get_lun_statep(isp, bus, lun); 1296 if (tptr) { 1297 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA; 1298 goto done; 1299 } 1300 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr); 1301 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1302 goto done; 1303 } 1304 1305 /* 1306 * We have a tricky maneuver to perform here. 1307 * 1308 * If target mode isn't already enabled here, 1309 * *and* our current role includes target mode, 1310 * we enable target mode here. 1311 * 1312 */ 1313 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1314 if (tm_enabled == 0 && target_role != 0) { 1315 if (isp_enable_target_mode(isp, bus)) { 1316 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1317 destroy_lun_state(isp, tptr); 1318 tptr = NULL; 1319 goto done; 1320 } 1321 tm_enabled = 1; 1322 } 1323 1324 /* 1325 * Now check to see whether this bus is in target mode already. 1326 * 1327 * If not, a later role change into target mode will finish the job. 1328 */ 1329 if (tm_enabled == 0) { 1330 ISP_SET_PC(isp, bus, tm_enable_defer, 1); 1331 ccb->ccb_h.status = CAM_REQ_CMP; 1332 xpt_print(ccb->ccb_h.path, "Target Mode not enabled yet- lun enable deferred\n"); 1333 goto done1; 1334 } 1335 1336 /* 1337 * Enable the lun. 1338 */ 1339 ccb->ccb_h.status = isp_enable_deferred(isp, bus, lun); 1340 1341done: 1342 if (ccb->ccb_h.status != CAM_REQ_CMP) { 1343 if (tptr) { 1344 destroy_lun_state(isp, tptr); 1345 tptr = NULL; 1346 } 1347 } else { 1348 tptr->enabled = 1; 1349 } 1350done1: 1351 if (tptr) { 1352 rls_lun_statep(isp, tptr); 1353 } 1354 1355 /* 1356 * And we're outta here.... 1357 */ 1358 isp_tmunlk(isp); 1359 xpt_done(ccb); 1360} 1361 1362static cam_status 1363isp_enable_deferred_luns(ispsoftc_t *isp, int bus) 1364{ 1365 tstate_t *tptr = NULL; 1366 struct tslist *lhp; 1367 int i, n; 1368 1369 1370 ISP_GET_PC(isp, bus, tm_enabled, i); 1371 if (i == 1) { 1372 return (CAM_REQ_CMP); 1373 } 1374 ISP_GET_PC(isp, bus, tm_enable_defer, i); 1375 if (i == 0) { 1376 return (CAM_REQ_CMP); 1377 } 1378 /* 1379 * If this succeeds, it will set tm_enable 1380 */ 1381 if (isp_enable_target_mode(isp, bus)) { 1382 return (CAM_REQ_CMP_ERR); 1383 } 1384 isp_tmlock(isp, "isp_enable_deferred_luns"); 1385 for (n = i = 0; i < LUN_HASH_SIZE; i++) { 1386 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp); 1387 SLIST_FOREACH(tptr, lhp, next) { 1388 tptr->hold++; 1389 if (tptr->enabled == 0) { 1390 if (isp_enable_deferred(isp, bus, tptr->ts_lun) == CAM_REQ_CMP) { 1391 tptr->enabled = 1; 1392 n++; 1393 } 1394 } else { 1395 n++; 1396 } 1397 tptr->hold--; 1398 } 1399 } 1400 isp_tmunlk(isp); 1401 if (n == 0) { 1402 return (CAM_REQ_CMP_ERR); 1403 } 1404 ISP_SET_PC(isp, bus, tm_enable_defer, 0); 1405 return (CAM_REQ_CMP); 1406} 1407 1408static cam_status 1409isp_enable_deferred(ispsoftc_t *isp, int bus, lun_id_t lun) 1410{ 1411 cam_status status; 1412 int luns_already_enabled; 1413 1414 ISP_GET_PC(isp, bus, tm_luns_enabled, luns_already_enabled); 1415 isp_prt(isp, ISP_LOGTINFO, "%s: bus %d lun %u luns_enabled %d", __func__, bus, lun, luns_already_enabled); 1416 if (IS_24XX(isp) || (IS_FC(isp) && luns_already_enabled)) { 1417 status = CAM_REQ_CMP; 1418 } else { 1419 int cmd_cnt, not_cnt; 1420 1421 if (IS_23XX(isp)) { 1422 cmd_cnt = DFLT_CMND_CNT; 1423 not_cnt = DFLT_INOT_CNT; 1424 } else { 1425 cmd_cnt = 64; 1426 not_cnt = 8; 1427 } 1428 status = CAM_REQ_INPROG; 1429 isp->isp_osinfo.rptr = &status; 1430 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun == CAM_LUN_WILDCARD? 0 : lun, cmd_cnt, not_cnt)) { 1431 status = CAM_RESRC_UNAVAIL; 1432 } else { 1433 mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_enable_deferred", 0); 1434 } 1435 isp->isp_osinfo.rptr = NULL; 1436 } 1437 if (status == CAM_REQ_CMP) { 1438 ISP_SET_PC(isp, bus, tm_luns_enabled, 1); 1439 isp_prt(isp, ISP_LOGCONFIG|ISP_LOGTINFO, "bus %d lun %u now enabled for target mode", bus, lun); 1440 } 1441 return (status); 1442} 1443 1444static void 1445isp_disable_lun(ispsoftc_t *isp, union ccb *ccb) 1446{ 1447 tstate_t *tptr = NULL; 1448 int bus; 1449 cam_status status; 1450 target_id_t target; 1451 lun_id_t lun; 1452 1453 bus = XS_CHANNEL(ccb); 1454 target = ccb->ccb_h.target_id; 1455 lun = ccb->ccb_h.target_lun; 1456 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "disabling lun %u\n", lun); 1457 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) { 1458 ccb->ccb_h.status = CAM_LUN_INVALID; 1459 xpt_done(ccb); 1460 return; 1461 } 1462 1463 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 1464 ccb->ccb_h.status = CAM_LUN_INVALID; 1465 xpt_done(ccb); 1466 return; 1467 } 1468 1469 /* 1470 * See if we're busy disabling a lun now. 1471 */ 1472 isp_tmlock(isp, "isp_disable_lun"); 1473 status = CAM_REQ_INPROG; 1474 1475 /* 1476 * Find the state pointer. 1477 */ 1478 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) { 1479 status = CAM_PATH_INVALID; 1480 goto done; 1481 } 1482 1483 /* 1484 * If we're a 24XX card, we're done. 1485 */ 1486 if (IS_24XX(isp)) { 1487 status = CAM_REQ_CMP; 1488 goto done; 1489 } 1490 1491 /* 1492 * For SCC FW, we only deal with lun zero. 1493 */ 1494 if (IS_FC(isp) && lun > 0) { 1495 status = CAM_REQ_CMP; 1496 goto done; 1497 } 1498 isp->isp_osinfo.rptr = &status; 1499 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) { 1500 status = CAM_RESRC_UNAVAIL; 1501 } else { 1502 mtx_sleep(ccb, &isp->isp_lock, PRIBIO, "isp_disable_lun", 0); 1503 } 1504 isp->isp_osinfo.rptr = NULL; 1505done: 1506 if (status == CAM_REQ_CMP) { 1507 tptr->enabled = 0; 1508 if (is_any_lun_enabled(isp, bus) == 0) { 1509 if (isp_disable_target_mode(isp, bus)) { 1510 status = CAM_REQ_CMP_ERR; 1511 } 1512 } 1513 } 1514 ccb->ccb_h.status = status; 1515 if (status == CAM_REQ_CMP) { 1516 destroy_lun_state(isp, tptr); 1517 xpt_print(ccb->ccb_h.path, "lun now disabled for target mode\n"); 1518 } else { 1519 if (tptr) 1520 rls_lun_statep(isp, tptr); 1521 } 1522 isp_tmunlk(isp); 1523 xpt_done(ccb); 1524} 1525 1526static int 1527isp_enable_target_mode(ispsoftc_t *isp, int bus) 1528{ 1529 int tm_enabled; 1530 1531 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1532 if (tm_enabled != 0) { 1533 return (0); 1534 } 1535 if (IS_SCSI(isp)) { 1536 mbreg_t mbs; 1537 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0); 1538 mbs.param[0] = MBOX_ENABLE_TARGET_MODE; 1539 mbs.param[1] = ENABLE_TARGET_FLAG|ENABLE_TQING_FLAG; 1540 mbs.param[2] = bus << 7; 1541 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1542 isp_prt(isp, ISP_LOGERR, "Unable to enable Target Role on Bus %d", bus); 1543 return (EIO); 1544 } 1545 } 1546 ISP_SET_PC(isp, bus, tm_enabled, 1); 1547 isp_prt(isp, ISP_LOGINFO, "Target Role enabled on Bus %d", bus); 1548 return (0); 1549} 1550 1551static int 1552isp_disable_target_mode(ispsoftc_t *isp, int bus) 1553{ 1554 int tm_enabled; 1555 1556 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled); 1557 if (tm_enabled == 0) { 1558 return (0); 1559 } 1560 if (IS_SCSI(isp)) { 1561 mbreg_t mbs; 1562 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0); 1563 mbs.param[2] = bus << 7; 1564 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1565 isp_prt(isp, ISP_LOGERR, "Unable to disable Target Role on Bus %d", bus); 1566 return (EIO); 1567 } 1568 } 1569 ISP_SET_PC(isp, bus, tm_enabled, 0); 1570 isp_prt(isp, ISP_LOGINFO, "Target Role disabled on Bus %d", bus); 1571 return (0); 1572} 1573 1574static void 1575isp_ledone(ispsoftc_t *isp, lun_entry_t *lep) 1576{ 1577 uint32_t *rptr; 1578 1579 rptr = isp->isp_osinfo.rptr; 1580 if (lep->le_status != LUN_OK) { 1581 isp_prt(isp, ISP_LOGERR, "ENABLE/MODIFY LUN returned 0x%x", lep->le_status); 1582 if (rptr) { 1583 *rptr = CAM_REQ_CMP_ERR; 1584 wakeup_one(rptr); 1585 } 1586 } else { 1587 if (rptr) { 1588 *rptr = CAM_REQ_CMP; 1589 wakeup_one(rptr); 1590 } 1591 } 1592} 1593 1594static void 1595isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how) 1596{ 1597 int fctape, sendstatus, resid; 1598 tstate_t *tptr; 1599 fcparam *fcp; 1600 atio_private_data_t *atp; 1601 struct ccb_scsiio *cso; 1602 uint32_t dmaresult, handle, xfrlen, sense_length, tmp; 1603 uint8_t local[QENTRY_LEN]; 1604 1605 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb)); 1606 if (tptr == NULL) { 1607 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD); 1608 if (tptr == NULL) { 1609 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find tstate pointer", __func__, ccb->csio.tag_id); 1610 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1611 xpt_done(ccb); 1612 return; 1613 } 1614 } 1615 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, 1616 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0)); 1617 1618 switch (how) { 1619 case FROM_TIMER: 1620 case FROM_CAM: 1621 /* 1622 * Insert at the tail of the list, if any, waiting CTIO CCBs 1623 */ 1624 TAILQ_INSERT_TAIL(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1625 break; 1626 case FROM_SRR: 1627 case FROM_CTIO_DONE: 1628 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1629 break; 1630 } 1631 1632 while (TAILQ_FIRST(&tptr->waitq) != NULL) { 1633 ccb = (union ccb *) TAILQ_FIRST(&tptr->waitq); 1634 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1635 1636 cso = &ccb->csio; 1637 xfrlen = cso->dxfer_len; 1638 if (xfrlen == 0) { 1639 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 1640 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n"); 1641 ccb->ccb_h.status = CAM_REQ_INVALID; 1642 xpt_done(ccb); 1643 continue; 1644 } 1645 } 1646 1647 atp = isp_find_atpd(isp, tptr, cso->tag_id); 1648 if (atp == NULL) { 1649 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__); 1650 isp_dump_atpd(isp, tptr); 1651 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1652 xpt_done(ccb); 1653 continue; 1654 } 1655 1656 /* 1657 * Is this command a dead duck? 1658 */ 1659 if (atp->dead) { 1660 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id); 1661 ccb->ccb_h.status = CAM_REQ_ABORTED; 1662 xpt_done(ccb); 1663 continue; 1664 } 1665 1666 /* 1667 * Check to make sure we're still in target mode. 1668 */ 1669 fcp = FCPARAM(isp, XS_CHANNEL(ccb)); 1670 if ((fcp->role & ISP_ROLE_TARGET) == 0) { 1671 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id); 1672 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 1673 xpt_done(ccb); 1674 continue; 1675 } 1676 1677 /* 1678 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which 1679 * could be split into two CTIOs to split data and status). 1680 */ 1681 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) { 1682 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); 1683 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1684 break; 1685 } 1686 1687 /* 1688 * Does the initiator expect FC-Tape style responses? 1689 */ 1690 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) { 1691 fctape = 1; 1692 } else { 1693 fctape = 0; 1694 } 1695 1696 /* 1697 * If we already did the data xfer portion of a CTIO that sends data 1698 * and status, don't do it again and do the status portion now. 1699 */ 1700 if (atp->sendst) { 1701 isp_prt(isp, ISP_LOGTINFO, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u", 1702 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit); 1703 xfrlen = 0; /* we already did the data transfer */ 1704 atp->sendst = 0; 1705 } 1706 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 1707 sendstatus = 1; 1708 } else { 1709 sendstatus = 0; 1710 } 1711 1712 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 1713 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?")); 1714 /* 1715 * Sense length is not the entire sense data structure size. Periph 1716 * drivers don't seem to be setting sense_len to reflect the actual 1717 * size. We'll peek inside to get the right amount. 1718 */ 1719 sense_length = cso->sense_len; 1720 1721 /* 1722 * This 'cannot' happen 1723 */ 1724 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) { 1725 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE; 1726 } 1727 } else { 1728 sense_length = 0; 1729 } 1730 1731 memset(local, 0, QENTRY_LEN); 1732 1733 /* 1734 * Check for overflow 1735 */ 1736 tmp = atp->bytes_xfered + atp->bytes_in_transit + xfrlen; 1737 if (tmp > atp->orig_datalen) { 1738 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] data overflow by %u bytes", __func__, cso->tag_id, tmp - atp->orig_datalen); 1739 ccb->ccb_h.status = CAM_DATA_RUN_ERR; 1740 xpt_done(ccb); 1741 continue; 1742 } 1743 1744 if (IS_24XX(isp)) { 1745 ct7_entry_t *cto = (ct7_entry_t *) local; 1746 1747 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 1748 cto->ct_header.rqs_entry_count = 1; 1749 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1750 ATPD_SET_SEQNO(cto, atp); 1751 cto->ct_nphdl = atp->nphdl; 1752 cto->ct_rxid = atp->tag; 1753 cto->ct_iid_lo = atp->portid; 1754 cto->ct_iid_hi = atp->portid >> 16; 1755 cto->ct_oxid = atp->oxid; 1756 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb)); 1757 cto->ct_timeout = 120; 1758 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT; 1759 1760 /* 1761 * Mode 1, status, no data. Only possible when we are sending status, have 1762 * no data to transfer, and any sense data can fit into a ct7_entry_t. 1763 * 1764 * Mode 2, status, no data. We have to use this in the case that 1765 * the sense data won't fit into a ct7_entry_t. 1766 * 1767 */ 1768 if (sendstatus && xfrlen == 0) { 1769 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA; 1770 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1771 if (sense_length <= MAXRESPLEN_24XX) { 1772 if (resid < 0) { 1773 cto->ct_resid = -resid; 1774 } else if (resid > 0) { 1775 cto->ct_resid = resid; 1776 } 1777 cto->ct_flags |= CT7_FLAG_MODE1; 1778 cto->ct_scsi_status = cso->scsi_status; 1779 if (resid < 0) { 1780 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8); 1781 } else if (resid > 0) { 1782 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 1783 } 1784 if (fctape) { 1785 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1786 } 1787 if (sense_length) { 1788 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 1789 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length; 1790 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1791 } 1792 } else { 1793 bus_addr_t addr; 1794 char buf[XCMD_SIZE]; 1795 fcp_rsp_iu_t *rp; 1796 1797 if (atp->ests == NULL) { 1798 atp->ests = isp_get_ecmd(isp); 1799 if (atp->ests == NULL) { 1800 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1801 break; 1802 } 1803 } 1804 memset(buf, 0, sizeof (buf)); 1805 rp = (fcp_rsp_iu_t *)buf; 1806 if (fctape) { 1807 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1808 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1809 } 1810 cto->ct_flags |= CT7_FLAG_MODE2; 1811 rp->fcp_rsp_scsi_status = cso->scsi_status; 1812 if (resid < 0) { 1813 rp->fcp_rsp_resid = -resid; 1814 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1815 } else if (resid > 0) { 1816 rp->fcp_rsp_resid = resid; 1817 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1818 } 1819 if (sense_length) { 1820 rp->fcp_rsp_snslen = sense_length; 1821 cto->ct_senselen = sense_length; 1822 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1823 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1824 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1825 } else { 1826 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1827 } 1828 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1829 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1830 } 1831 addr = isp->isp_osinfo.ecmd_dma; 1832 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1833 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, 1834 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1835 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1836 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr); 1837 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr); 1838 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1839 } 1840 if (sense_length) { 1841 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__, 1842 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, 1843 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 1844 } else { 1845 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, 1846 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid); 1847 } 1848 atp->state = ATPD_STATE_LAST_CTIO; 1849 } 1850 1851 /* 1852 * Mode 0 data transfers, *possibly* with status. 1853 */ 1854 if (xfrlen != 0) { 1855 cto->ct_flags |= CT7_FLAG_MODE0; 1856 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1857 cto->ct_flags |= CT7_DATA_IN; 1858 } else { 1859 cto->ct_flags |= CT7_DATA_OUT; 1860 } 1861 1862 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit; 1863 cto->rsp.m0.ct_xfrlen = xfrlen; 1864 1865#ifdef DEBUG 1866 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) { 1867 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2)); 1868 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0; 1869 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2; 1870 } 1871#endif 1872 if (sendstatus) { 1873 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 1874 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) { 1875 cto->ct_flags |= CT7_SENDSTATUS; 1876 atp->state = ATPD_STATE_LAST_CTIO; 1877 if (fctape) { 1878 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF; 1879 } 1880 } else { 1881 atp->sendst = 1; /* send status later */ 1882 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 1883 atp->state = ATPD_STATE_CTIO; 1884 } 1885 } else { 1886 atp->state = ATPD_STATE_CTIO; 1887 } 1888 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__, 1889 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered); 1890 } 1891 } else if (IS_FC(isp)) { 1892 ct2_entry_t *cto = (ct2_entry_t *) local; 1893 1894 if (isp->isp_osinfo.sixtyfourbit) 1895 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3; 1896 else 1897 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 1898 cto->ct_header.rqs_entry_count = 1; 1899 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 1900 ATPD_SET_SEQNO(cto, atp); 1901 if (ISP_CAP_2KLOGIN(isp)) { 1902 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl; 1903 } else { 1904 cto->ct_iid = atp->nphdl; 1905 if (ISP_CAP_SCCFW(isp) == 0) { 1906 cto->ct_lun = ccb->ccb_h.target_lun; 1907 } 1908 } 1909 cto->ct_timeout = 10; 1910 cto->ct_rxid = cso->tag_id; 1911 1912 /* 1913 * Mode 1, status, no data. Only possible when we are sending status, have 1914 * no data to transfer, and the sense length can fit in the ct7_entry. 1915 * 1916 * Mode 2, status, no data. We have to use this in the case the response 1917 * length won't fit into a ct2_entry_t. 1918 * 1919 * We'll fill out this structure with information as if this were a 1920 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as 1921 * needed based upon this. 1922 */ 1923 if (sendstatus && xfrlen == 0) { 1924 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA; 1925 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 1926 if (sense_length <= MAXRESPLEN) { 1927 if (resid < 0) { 1928 cto->ct_resid = -resid; 1929 } else if (resid > 0) { 1930 cto->ct_resid = resid; 1931 } 1932 cto->ct_flags |= CT2_FLAG_MODE1; 1933 cto->rsp.m1.ct_scsi_status = cso->scsi_status; 1934 if (resid < 0) { 1935 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER; 1936 } else if (resid > 0) { 1937 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 1938 } 1939 if (fctape) { 1940 cto->ct_flags |= CT2_CONFIRM; 1941 } 1942 if (sense_length) { 1943 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 1944 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length; 1945 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length); 1946 } 1947 } else { 1948 bus_addr_t addr; 1949 char buf[XCMD_SIZE]; 1950 fcp_rsp_iu_t *rp; 1951 1952 if (atp->ests == NULL) { 1953 atp->ests = isp_get_ecmd(isp); 1954 if (atp->ests == NULL) { 1955 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 1956 break; 1957 } 1958 } 1959 memset(buf, 0, sizeof (buf)); 1960 rp = (fcp_rsp_iu_t *)buf; 1961 if (fctape) { 1962 cto->ct_flags |= CT2_CONFIRM; 1963 rp->fcp_rsp_bits |= FCP_CONF_REQ; 1964 } 1965 cto->ct_flags |= CT2_FLAG_MODE2; 1966 rp->fcp_rsp_scsi_status = cso->scsi_status; 1967 if (resid < 0) { 1968 rp->fcp_rsp_resid = -resid; 1969 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW; 1970 } else if (resid > 0) { 1971 rp->fcp_rsp_resid = resid; 1972 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW; 1973 } 1974 if (sense_length) { 1975 rp->fcp_rsp_snslen = sense_length; 1976 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID; 1977 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1978 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length); 1979 } else { 1980 isp_put_fcp_rsp_iu(isp, rp, atp->ests); 1981 } 1982 if (isp->isp_dblev & ISP_LOGTDEBUG1) { 1983 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests); 1984 } 1985 addr = isp->isp_osinfo.ecmd_dma; 1986 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE); 1987 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, 1988 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length); 1989 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length; 1990 if (isp->isp_osinfo.sixtyfourbit) { 1991 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr); 1992 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr); 1993 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1994 } else { 1995 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr); 1996 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length; 1997 } 1998 } 1999 if (sense_length) { 2000 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d sense: %x %x/%x/%x", __func__, 2001 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, 2002 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]); 2003 } else { 2004 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, cto->ct_rxid, 2005 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid); 2006 } 2007 atp->state = ATPD_STATE_LAST_CTIO; 2008 } 2009 2010 if (xfrlen != 0) { 2011 cto->ct_flags |= CT2_FLAG_MODE0; 2012 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2013 cto->ct_flags |= CT2_DATA_IN; 2014 } else { 2015 cto->ct_flags |= CT2_DATA_OUT; 2016 } 2017 2018 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit; 2019 cto->rsp.m0.ct_xfrlen = xfrlen; 2020 2021 if (sendstatus) { 2022 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen; 2023 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) { 2024 cto->ct_flags |= CT2_SENDSTATUS; 2025 atp->state = ATPD_STATE_LAST_CTIO; 2026 if (fctape) { 2027 cto->ct_flags |= CT2_CONFIRM; 2028 } 2029 } else { 2030 atp->sendst = 1; /* send status later */ 2031 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM; 2032 atp->state = ATPD_STATE_CTIO; 2033 } 2034 } else { 2035 atp->state = ATPD_STATE_CTIO; 2036 } 2037 } 2038 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[%x] seq %u nc %d CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u", __func__, cto->ct_rxid, 2039 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered); 2040 } else { 2041 ct_entry_t *cto = (ct_entry_t *) local; 2042 2043 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO; 2044 cto->ct_header.rqs_entry_count = 1; 2045 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM; 2046 ATPD_SET_SEQNO(cto, atp); 2047 cto->ct_iid = cso->init_id; 2048 cto->ct_iid |= XS_CHANNEL(ccb) << 7; 2049 cto->ct_tgt = ccb->ccb_h.target_id; 2050 cto->ct_lun = ccb->ccb_h.target_lun; 2051 cto->ct_fwhandle = cso->tag_id; 2052 if (atp->rxid) { 2053 cto->ct_tag_val = atp->rxid; 2054 cto->ct_flags |= CT_TQAE; 2055 } 2056 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 2057 cto->ct_flags |= CT_NODISC; 2058 } 2059 if (cso->dxfer_len == 0) { 2060 cto->ct_flags |= CT_NO_DATA; 2061 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2062 cto->ct_flags |= CT_DATA_IN; 2063 } else { 2064 cto->ct_flags |= CT_DATA_OUT; 2065 } 2066 if (ccb->ccb_h.flags & CAM_SEND_STATUS) { 2067 cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR; 2068 cto->ct_scsi_status = cso->scsi_status; 2069 cto->ct_resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit - xfrlen; 2070 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d scsi status %x resid %d tag_id %x", __func__, 2071 cto->ct_fwhandle, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), cso->scsi_status, cso->resid, cso->tag_id); 2072 } 2073 ccb->ccb_h.flags &= ~CAM_SEND_SENSE; 2074 cto->ct_timeout = 10; 2075 } 2076 2077 if (isp_get_pcmd(isp, ccb)) { 2078 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n"); 2079 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2080 break; 2081 } 2082 if (isp_allocate_xs_tgt(isp, ccb, &handle)) { 2083 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__); 2084 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2085 isp_free_pcmd(isp, ccb); 2086 break; 2087 } 2088 atp->bytes_in_transit += xfrlen; 2089 PISP_PCMD(ccb)->datalen = xfrlen; 2090 2091 2092 /* 2093 * Call the dma setup routines for this entry (and any subsequent 2094 * CTIOs) if there's data to move, and then tell the f/w it's got 2095 * new things to play with. As with isp_start's usage of DMA setup, 2096 * any swizzling is done in the machine dependent layer. Because 2097 * of this, we put the request onto the queue area first in native 2098 * format. 2099 */ 2100 2101 if (IS_24XX(isp)) { 2102 ct7_entry_t *cto = (ct7_entry_t *) local; 2103 cto->ct_syshandle = handle; 2104 } else if (IS_FC(isp)) { 2105 ct2_entry_t *cto = (ct2_entry_t *) local; 2106 cto->ct_syshandle = handle; 2107 } else { 2108 ct_entry_t *cto = (ct_entry_t *) local; 2109 cto->ct_syshandle = handle; 2110 } 2111 2112 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local); 2113 if (dmaresult != CMD_QUEUED) { 2114 isp_destroy_tgt_handle(isp, handle); 2115 isp_free_pcmd(isp, ccb); 2116 if (dmaresult == CMD_EAGAIN) { 2117 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe); 2118 break; 2119 } 2120 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2121 xpt_done(ccb); 2122 continue; 2123 } 2124 isp->isp_nactive++; 2125 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED; 2126 if (xfrlen) { 2127 ccb->ccb_h.spriv_field0 = atp->bytes_xfered; 2128 } else { 2129 ccb->ccb_h.spriv_field0 = ~0; 2130 } 2131 atp->ctcnt++; 2132 atp->seqno++; 2133 } 2134 rls_lun_statep(isp, tptr); 2135} 2136 2137static void 2138isp_refire_putback_atio(void *arg) 2139{ 2140 union ccb *ccb = arg; 2141 2142 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb)); 2143 isp_target_putback_atio(ccb); 2144} 2145 2146static void 2147isp_refire_notify_ack(void *arg) 2148{ 2149 isp_tna_t *tp = arg; 2150 ispsoftc_t *isp = tp->isp; 2151 2152 ISP_ASSERT_LOCKED(isp); 2153 if (isp_notify_ack(isp, tp->not)) { 2154 callout_schedule(&tp->timer, 5); 2155 } else { 2156 free(tp, M_DEVBUF); 2157 } 2158} 2159 2160 2161static void 2162isp_target_putback_atio(union ccb *ccb) 2163{ 2164 ispsoftc_t *isp; 2165 struct ccb_scsiio *cso; 2166 void *qe; 2167 2168 isp = XS_ISP(ccb); 2169 2170 qe = isp_getrqentry(isp); 2171 if (qe == NULL) { 2172 xpt_print(ccb->ccb_h.path, 2173 "%s: Request Queue Overflow\n", __func__); 2174 callout_reset(&PISP_PCMD(ccb)->wdog, 10, 2175 isp_refire_putback_atio, ccb); 2176 return; 2177 } 2178 memset(qe, 0, QENTRY_LEN); 2179 cso = &ccb->csio; 2180 if (IS_FC(isp)) { 2181 at2_entry_t local, *at = &local; 2182 ISP_MEMZERO(at, sizeof (at2_entry_t)); 2183 at->at_header.rqs_entry_type = RQSTYPE_ATIO2; 2184 at->at_header.rqs_entry_count = 1; 2185 if (ISP_CAP_SCCFW(isp)) { 2186 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun; 2187 } else { 2188 at->at_lun = (uint8_t) ccb->ccb_h.target_lun; 2189 } 2190 at->at_status = CT_OK; 2191 at->at_rxid = cso->tag_id; 2192 at->at_iid = cso->ccb_h.target_id; 2193 isp_put_atio2(isp, at, qe); 2194 } else { 2195 at_entry_t local, *at = &local; 2196 ISP_MEMZERO(at, sizeof (at_entry_t)); 2197 at->at_header.rqs_entry_type = RQSTYPE_ATIO; 2198 at->at_header.rqs_entry_count = 1; 2199 at->at_iid = cso->init_id; 2200 at->at_iid |= XS_CHANNEL(ccb) << 7; 2201 at->at_tgt = cso->ccb_h.target_id; 2202 at->at_lun = cso->ccb_h.target_lun; 2203 at->at_status = CT_OK; 2204 at->at_tag_val = AT_GET_TAG(cso->tag_id); 2205 at->at_handle = AT_GET_HANDLE(cso->tag_id); 2206 isp_put_atio(isp, at, qe); 2207 } 2208 ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe); 2209 ISP_SYNC_REQUEST(isp); 2210 isp_complete_ctio(ccb); 2211} 2212 2213static void 2214isp_complete_ctio(union ccb *ccb) 2215{ 2216 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 2217 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2218 xpt_done(ccb); 2219 } 2220} 2221 2222/* 2223 * Handle ATIO stuff that the generic code can't. 2224 * This means handling CDBs. 2225 */ 2226 2227static void 2228isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep) 2229{ 2230 tstate_t *tptr; 2231 int status, bus; 2232 struct ccb_accept_tio *atiop; 2233 atio_private_data_t *atp; 2234 2235 /* 2236 * The firmware status (except for the QLTM_SVALID bit) 2237 * indicates why this ATIO was sent to us. 2238 * 2239 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 2240 * 2241 * If the DISCONNECTS DISABLED bit is set in the flags field, 2242 * we're still connected on the SCSI bus. 2243 */ 2244 status = aep->at_status; 2245 if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) { 2246 /* 2247 * Bus Phase Sequence error. We should have sense data 2248 * suggested by the f/w. I'm not sure quite yet what 2249 * to do about this for CAM. 2250 */ 2251 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR"); 2252 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2253 return; 2254 } 2255 if ((status & ~QLTM_SVALID) != AT_CDB) { 2256 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", status); 2257 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2258 return; 2259 } 2260 2261 bus = GET_BUS_VAL(aep->at_iid); 2262 tptr = get_lun_statep(isp, bus, aep->at_lun); 2263 if (tptr == NULL) { 2264 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 2265 if (tptr == NULL) { 2266 /* 2267 * Because we can't autofeed sense data back with 2268 * a command for parallel SCSI, we can't give back 2269 * a CHECK CONDITION. We'll give back a BUSY status 2270 * instead. This works out okay because the only 2271 * time we should, in fact, get this, is in the 2272 * case that somebody configured us without the 2273 * blackhole driver, so they get what they deserve. 2274 */ 2275 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2276 return; 2277 } 2278 } 2279 2280 atp = isp_get_atpd(isp, tptr, aep->at_handle); 2281 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2282 if (atiop == NULL || atp == NULL) { 2283 /* 2284 * Because we can't autofeed sense data back with 2285 * a command for parallel SCSI, we can't give back 2286 * a CHECK CONDITION. We'll give back a QUEUE FULL status 2287 * instead. This works out okay because the only time we 2288 * should, in fact, get this, is in the case that we've 2289 * run out of ATIOS. 2290 */ 2291 xpt_print(tptr->owner, "no %s for lun %d from initiator %d\n", (atp == NULL && atiop == NULL)? "ATIOs *or* ATPS" : 2292 ((atp == NULL)? "ATPs" : "ATIOs"), aep->at_lun, aep->at_iid); 2293 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2294 if (atp) { 2295 isp_put_atpd(isp, tptr, atp); 2296 } 2297 rls_lun_statep(isp, tptr); 2298 return; 2299 } 2300 atp->rxid = aep->at_tag_val; 2301 atp->state = ATPD_STATE_ATIO; 2302 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2303 tptr->atio_count--; 2304 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count); 2305 atiop->ccb_h.target_id = aep->at_tgt; 2306 atiop->ccb_h.target_lun = aep->at_lun; 2307 if (aep->at_flags & AT_NODISC) { 2308 atiop->ccb_h.flags |= CAM_DIS_DISCONNECT; 2309 } else { 2310 atiop->ccb_h.flags &= ~CAM_DIS_DISCONNECT; 2311 } 2312 2313 if (status & QLTM_SVALID) { 2314 size_t amt = ISP_MIN(QLTM_SENSELEN, sizeof (atiop->sense_data)); 2315 atiop->sense_len = amt; 2316 ISP_MEMCPY(&atiop->sense_data, aep->at_sense, amt); 2317 } else { 2318 atiop->sense_len = 0; 2319 } 2320 2321 atiop->init_id = GET_IID_VAL(aep->at_iid); 2322 atiop->cdb_len = aep->at_cdblen; 2323 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen); 2324 atiop->ccb_h.status = CAM_CDB_RECVD; 2325 /* 2326 * Construct a tag 'id' based upon tag value (which may be 0..255) 2327 * and the handle (which we have to preserve). 2328 */ 2329 atiop->tag_id = atp->tag; 2330 if (aep->at_flags & AT_TQAE) { 2331 atiop->tag_action = aep->at_tag_type; 2332 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID; 2333 } 2334 atp->orig_datalen = 0; 2335 atp->bytes_xfered = 0; 2336 atp->lun = aep->at_lun; 2337 atp->nphdl = aep->at_iid; 2338 atp->portid = PORT_NONE; 2339 atp->oxid = 0; 2340 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 2341 atp->tattr = aep->at_tag_type; 2342 atp->state = ATPD_STATE_CAM; 2343 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO[0x%x] CDB=0x%x lun %d", aep->at_tag_val, atp->cdb0, atp->lun); 2344 rls_lun_statep(isp, tptr); 2345} 2346 2347static void 2348isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep) 2349{ 2350 lun_id_t lun; 2351 fcportdb_t *lp; 2352 tstate_t *tptr; 2353 struct ccb_accept_tio *atiop; 2354 uint16_t nphdl; 2355 atio_private_data_t *atp; 2356 inot_private_data_t *ntp; 2357 2358 /* 2359 * The firmware status (except for the QLTM_SVALID bit) 2360 * indicates why this ATIO was sent to us. 2361 * 2362 * If QLTM_SVALID is set, the firmware has recommended Sense Data. 2363 */ 2364 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) { 2365 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status); 2366 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2367 return; 2368 } 2369 2370 if (ISP_CAP_SCCFW(isp)) { 2371 lun = aep->at_scclun; 2372 } else { 2373 lun = aep->at_lun; 2374 } 2375 if (ISP_CAP_2KLOGIN(isp)) { 2376 nphdl = ((at2e_entry_t *)aep)->at_iid; 2377 } else { 2378 nphdl = aep->at_iid; 2379 } 2380 tptr = get_lun_statep(isp, 0, lun); 2381 if (tptr == NULL) { 2382 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 2383 if (tptr == NULL) { 2384 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun); 2385 if (lun == 0) { 2386 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0); 2387 } else { 2388 isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 2389 } 2390 return; 2391 } 2392 } 2393 2394 /* 2395 * Start any commands pending resources first. 2396 */ 2397 if (tptr->restart_queue) { 2398 inot_private_data_t *restart_queue = tptr->restart_queue; 2399 tptr->restart_queue = NULL; 2400 while (restart_queue) { 2401 ntp = restart_queue; 2402 restart_queue = ntp->rd.nt.nt_hba; 2403 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid); 2404 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data); 2405 isp_put_ntpd(isp, tptr, ntp); 2406 /* 2407 * If a recursion caused the restart queue to start to fill again, 2408 * stop and splice the new list on top of the old list and restore 2409 * it and go to noresrc. 2410 */ 2411 if (tptr->restart_queue) { 2412 ntp = tptr->restart_queue; 2413 tptr->restart_queue = restart_queue; 2414 while (restart_queue->rd.nt.nt_hba) { 2415 restart_queue = restart_queue->rd.nt.nt_hba; 2416 } 2417 restart_queue->rd.nt.nt_hba = ntp; 2418 goto noresrc; 2419 } 2420 } 2421 } 2422 2423 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2424 if (atiop == NULL) { 2425 goto noresrc; 2426 } 2427 2428 atp = isp_get_atpd(isp, tptr, aep->at_rxid); 2429 if (atp == NULL) { 2430 goto noresrc; 2431 } 2432 2433 atp->state = ATPD_STATE_ATIO; 2434 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2435 tptr->atio_count--; 2436 isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count); 2437 atiop->ccb_h.target_id = FCPARAM(isp, 0)->isp_loopid; 2438 atiop->ccb_h.target_lun = lun; 2439 2440 /* 2441 * We don't get 'suggested' sense data as we do with SCSI cards. 2442 */ 2443 atiop->sense_len = 0; 2444 2445 /* 2446 * If we're not in the port database, add ourselves. 2447 */ 2448 if (IS_2100(isp)) 2449 atiop->init_id = nphdl; 2450 else { 2451 if ((isp_find_pdb_by_handle(isp, 0, nphdl, &lp) == 0 || 2452 lp->state == FC_PORTDB_STATE_ZOMBIE)) { 2453 uint64_t iid = 2454 (((uint64_t) aep->at_wwpn[0]) << 48) | 2455 (((uint64_t) aep->at_wwpn[1]) << 32) | 2456 (((uint64_t) aep->at_wwpn[2]) << 16) | 2457 (((uint64_t) aep->at_wwpn[3]) << 0); 2458 isp_add_wwn_entry(isp, 0, iid, nphdl, PORT_ANY, 0); 2459 isp_find_pdb_by_handle(isp, 0, nphdl, &lp); 2460 } 2461 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp); 2462 } 2463 atiop->cdb_len = ATIO2_CDBLEN; 2464 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN); 2465 atiop->ccb_h.status = CAM_CDB_RECVD; 2466 atiop->tag_id = atp->tag; 2467 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) { 2468 case ATIO2_TC_ATTR_SIMPLEQ: 2469 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2470 atiop->tag_action = MSG_SIMPLE_Q_TAG; 2471 break; 2472 case ATIO2_TC_ATTR_HEADOFQ: 2473 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2474 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 2475 break; 2476 case ATIO2_TC_ATTR_ORDERED: 2477 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2478 atiop->tag_action = MSG_ORDERED_Q_TAG; 2479 break; 2480 case ATIO2_TC_ATTR_ACAQ: /* ?? */ 2481 case ATIO2_TC_ATTR_UNTAGGED: 2482 default: 2483 atiop->tag_action = 0; 2484 break; 2485 } 2486 2487 atp->orig_datalen = aep->at_datalen; 2488 atp->bytes_xfered = 0; 2489 atp->lun = lun; 2490 atp->nphdl = nphdl; 2491 atp->sid = PORT_ANY; 2492 atp->oxid = aep->at_oxid; 2493 atp->cdb0 = aep->at_cdb[0]; 2494 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK; 2495 atp->state = ATPD_STATE_CAM; 2496 xpt_done((union ccb *)atiop); 2497 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen); 2498 rls_lun_statep(isp, tptr); 2499 return; 2500noresrc: 2501 ntp = isp_get_ntpd(isp, tptr); 2502 if (ntp == NULL) { 2503 rls_lun_statep(isp, tptr); 2504 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0); 2505 return; 2506 } 2507 memcpy(ntp->rd.data, aep, QENTRY_LEN); 2508 ntp->rd.nt.nt_hba = tptr->restart_queue; 2509 tptr->restart_queue = ntp; 2510 rls_lun_statep(isp, tptr); 2511} 2512 2513static void 2514isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep) 2515{ 2516 int cdbxlen; 2517 uint16_t lun, chan, nphdl = NIL_HANDLE; 2518 uint32_t did, sid; 2519 fcportdb_t *lp; 2520 tstate_t *tptr; 2521 struct ccb_accept_tio *atiop; 2522 atio_private_data_t *atp = NULL; 2523 atio_private_data_t *oatp; 2524 inot_private_data_t *ntp; 2525 2526 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 2527 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 2528 lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | aep->at_cmnd.fcp_cmnd_lun[1]; 2529 2530 /* 2531 * Find the N-port handle, and Virtual Port Index for this command. 2532 * 2533 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information. 2534 * We also, as a matter of course, need to know the WWN of the initiator too. 2535 */ 2536 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 2537 /* 2538 * Find the right channel based upon D_ID 2539 */ 2540 isp_find_chan_by_did(isp, did, &chan); 2541 2542 if (chan == ISP_NOCHAN) { 2543 NANOTIME_T now; 2544 2545 /* 2546 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup 2547 * It's a bit tricky here as we need to stash this command *somewhere*. 2548 */ 2549 GET_NANOTIME(&now); 2550 if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) { 2551 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did); 2552 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 2553 return; 2554 } 2555 tptr = get_lun_statep(isp, 0, 0); 2556 if (tptr == NULL) { 2557 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 2558 if (tptr == NULL) { 2559 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel and no tptr- dropping", __func__, aep->at_rxid, did); 2560 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 2561 return; 2562 } 2563 } 2564 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did); 2565 goto noresrc; 2566 } 2567 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x", __func__, aep->at_rxid, did, chan, sid); 2568 } else { 2569 chan = 0; 2570 } 2571 2572 /* 2573 * Find the PDB entry for this initiator 2574 */ 2575 if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) { 2576 /* 2577 * If we're not in the port database terminate the exchange. 2578 */ 2579 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", 2580 __func__, aep->at_rxid, did, chan, sid); 2581 isp_dump_portdb(isp, chan); 2582 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0); 2583 return; 2584 } 2585 nphdl = lp->handle; 2586 2587 /* 2588 * Get the tstate pointer 2589 */ 2590 tptr = get_lun_statep(isp, chan, lun); 2591 if (tptr == NULL) { 2592 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD); 2593 if (tptr == NULL) { 2594 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun); 2595 if (lun == 0) { 2596 isp_endcmd(isp, aep, nphdl, SCSI_STATUS_BUSY, 0); 2597 } else { 2598 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0); 2599 } 2600 return; 2601 } 2602 } 2603 2604 /* 2605 * Start any commands pending resources first. 2606 */ 2607 if (tptr->restart_queue) { 2608 inot_private_data_t *restart_queue = tptr->restart_queue; 2609 tptr->restart_queue = NULL; 2610 while (restart_queue) { 2611 ntp = restart_queue; 2612 restart_queue = ntp->rd.nt.nt_hba; 2613 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid); 2614 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data); 2615 isp_put_ntpd(isp, tptr, ntp); 2616 /* 2617 * If a recursion caused the restart queue to start to fill again, 2618 * stop and splice the new list on top of the old list and restore 2619 * it and go to noresrc. 2620 */ 2621 if (tptr->restart_queue) { 2622 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restart queue refilling", __func__); 2623 if (restart_queue) { 2624 ntp = tptr->restart_queue; 2625 tptr->restart_queue = restart_queue; 2626 while (restart_queue->rd.nt.nt_hba) { 2627 restart_queue = restart_queue->rd.nt.nt_hba; 2628 } 2629 restart_queue->rd.nt.nt_hba = ntp; 2630 } 2631 goto noresrc; 2632 } 2633 } 2634 } 2635 2636 /* 2637 * If the f/w is out of resources, just send a BUSY status back. 2638 */ 2639 if (aep->at_rxid == AT7_NORESRC_RXID) { 2640 rls_lun_statep(isp, tptr); 2641 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0); 2642 return; 2643 } 2644 2645 /* 2646 * If we're out of resources, just send a BUSY status back. 2647 */ 2648 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios); 2649 if (atiop == NULL) { 2650 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid); 2651 goto noresrc; 2652 } 2653 2654 oatp = isp_find_atpd(isp, tptr, aep->at_rxid); 2655 if (oatp) { 2656 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] tag wraparound in isp_handle_platforms_atio7 (N-Port Handle 0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d", 2657 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state); 2658 /* 2659 * It's not a "no resource" condition- but we can treat it like one 2660 */ 2661 goto noresrc; 2662 } 2663 atp = isp_get_atpd(isp, tptr, aep->at_rxid); 2664 if (atp == NULL) { 2665 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid); 2666 goto noresrc; 2667 } 2668 atp->word3 = lp->prli_word3; 2669 atp->state = ATPD_STATE_ATIO; 2670 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle); 2671 tptr->atio_count--; 2672 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count); 2673 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp); 2674 atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid; 2675 atiop->ccb_h.target_lun = lun; 2676 atiop->sense_len = 0; 2677 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT; 2678 if (cdbxlen) { 2679 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored"); 2680 } 2681 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb); 2682 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen); 2683 atiop->cdb_len = cdbxlen; 2684 atiop->ccb_h.status = CAM_CDB_RECVD; 2685 atiop->tag_id = atp->tag; 2686 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) { 2687 case FCP_CMND_TASK_ATTR_SIMPLE: 2688 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2689 atiop->tag_action = MSG_SIMPLE_Q_TAG; 2690 break; 2691 case FCP_CMND_TASK_ATTR_HEAD: 2692 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2693 atiop->tag_action = MSG_HEAD_OF_Q_TAG; 2694 break; 2695 case FCP_CMND_TASK_ATTR_ORDERED: 2696 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 2697 atiop->tag_action = MSG_ORDERED_Q_TAG; 2698 break; 2699 default: 2700 /* FALLTHROUGH */ 2701 case FCP_CMND_TASK_ATTR_ACA: 2702 case FCP_CMND_TASK_ATTR_UNTAGGED: 2703 atiop->tag_action = 0; 2704 break; 2705 } 2706 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 2707 atp->bytes_xfered = 0; 2708 atp->lun = lun; 2709 atp->nphdl = nphdl; 2710 atp->portid = sid; 2711 atp->oxid = aep->at_hdr.ox_id; 2712 atp->rxid = aep->at_hdr.rx_id; 2713 atp->cdb0 = atiop->cdb_io.cdb_bytes[0]; 2714 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK; 2715 atp->state = ATPD_STATE_CAM; 2716 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen); 2717 xpt_done((union ccb *)atiop); 2718 rls_lun_statep(isp, tptr); 2719 return; 2720noresrc: 2721 if (atp) { 2722 isp_put_atpd(isp, tptr, atp); 2723 } 2724 ntp = isp_get_ntpd(isp, tptr); 2725 if (ntp == NULL) { 2726 rls_lun_statep(isp, tptr); 2727 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0); 2728 return; 2729 } 2730 memcpy(ntp->rd.data, aep, QENTRY_LEN); 2731 ntp->rd.nt.nt_hba = tptr->restart_queue; 2732 tptr->restart_queue = ntp; 2733 rls_lun_statep(isp, tptr); 2734} 2735 2736 2737/* 2738 * Handle starting an SRR (sequence retransmit request) 2739 * We get here when we've gotten the immediate notify 2740 * and the return of all outstanding CTIOs for this 2741 * transaction. 2742 */ 2743static void 2744isp_handle_srr_start(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp) 2745{ 2746 in_fcentry_24xx_t *inot; 2747 uint32_t srr_off, ccb_off, ccb_len, ccb_end; 2748 union ccb *ccb; 2749 2750 inot = (in_fcentry_24xx_t *)atp->srr; 2751 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16); 2752 ccb = atp->srr_ccb; 2753 atp->srr_ccb = NULL; 2754 atp->nsrr++; 2755 if (ccb == NULL) { 2756 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag); 2757 goto fail; 2758 } 2759 2760 ccb_off = ccb->ccb_h.spriv_field0; 2761 ccb_len = ccb->csio.dxfer_len; 2762 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len; 2763 2764 switch (inot->in_srr_iu) { 2765 case R_CTL_INFO_SOLICITED_DATA: 2766 /* 2767 * We have to restart a FCP_DATA data out transaction 2768 */ 2769 atp->sendst = 0; 2770 atp->bytes_xfered = srr_off; 2771 if (ccb_len == 0) { 2772 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off); 2773 goto mdp; 2774 } 2775 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) { 2776 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); 2777 goto mdp; 2778 } 2779 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); 2780 break; 2781 case R_CTL_INFO_COMMAND_STATUS: 2782 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag); 2783 atp->sendst = 1; 2784 /* 2785 * We have to restart a FCP_RSP IU transaction 2786 */ 2787 break; 2788 case R_CTL_INFO_DATA_DESCRIPTOR: 2789 /* 2790 * We have to restart an FCP DATA in transaction 2791 */ 2792 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping"); 2793 goto fail; 2794 2795 default: 2796 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu); 2797 goto fail; 2798 } 2799 2800 /* 2801 * We can't do anything until this is acked, so we might as well start it now. 2802 * We aren't going to do the usual asynchronous ack issue because we need 2803 * to make sure this gets on the wire first. 2804 */ 2805 if (isp_notify_ack(isp, inot)) { 2806 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2807 goto fail; 2808 } 2809 isp_target_start_ctio(isp, ccb, FROM_SRR); 2810 return; 2811fail: 2812 inot->in_reserved = 1; 2813 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2814 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2815 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 2816 isp_complete_ctio(ccb); 2817 return; 2818mdp: 2819 if (isp_notify_ack(isp, inot)) { 2820 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose"); 2821 goto fail; 2822 } 2823 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2824 ccb->ccb_h.status = CAM_MESSAGE_RECV; 2825 /* 2826 * This is not a strict interpretation of MDP, but it's close 2827 */ 2828 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16]; 2829 ccb->csio.msg_len = 7; 2830 ccb->csio.msg_ptr[0] = MSG_EXTENDED; 2831 ccb->csio.msg_ptr[1] = 5; 2832 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */ 2833 ccb->csio.msg_ptr[3] = srr_off >> 24; 2834 ccb->csio.msg_ptr[4] = srr_off >> 16; 2835 ccb->csio.msg_ptr[5] = srr_off >> 8; 2836 ccb->csio.msg_ptr[6] = srr_off; 2837 isp_complete_ctio(ccb); 2838} 2839 2840 2841static void 2842isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw) 2843{ 2844 tstate_t *tptr; 2845 in_fcentry_24xx_t *inot = inot_raw; 2846 atio_private_data_t *atp; 2847 uint32_t tag = inot->in_rxid; 2848 uint32_t bus = inot->in_vpidx; 2849 2850 if (!IS_24XX(isp)) { 2851 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw); 2852 return; 2853 } 2854 2855 tptr = get_lun_statep_from_tag(isp, bus, tag); 2856 if (tptr == NULL) { 2857 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x in SRR Notify", __func__, tag); 2858 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2859 return; 2860 } 2861 atp = isp_find_atpd(isp, tptr, tag); 2862 if (atp == NULL) { 2863 rls_lun_statep(isp, tptr); 2864 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag); 2865 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 2866 return; 2867 } 2868 atp->srr_notify_rcvd = 1; 2869 memcpy(atp->srr, inot, sizeof (atp->srr)); 2870 isp_prt(isp, ISP_LOGTINFO /* ISP_LOGTDEBUG0 */, "SRR[0x%x] inot->in_rxid flags 0x%x srr_iu=%x reloff 0x%x", inot->in_rxid, inot->in_flags, inot->in_srr_iu, 2871 inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16)); 2872 if (atp->srr_ccb) 2873 isp_handle_srr_start(isp, tptr, atp); 2874 rls_lun_statep(isp, tptr); 2875} 2876 2877static void 2878isp_handle_platform_ctio(ispsoftc_t *isp, void *arg) 2879{ 2880 union ccb *ccb; 2881 int sentstatus = 0, ok = 0, notify_cam = 0, resid = 0, failure = 0; 2882 tstate_t *tptr = NULL; 2883 atio_private_data_t *atp = NULL; 2884 int bus; 2885 uint32_t handle, moved_data = 0, data_requested; 2886 2887 /* 2888 * CTIO handles are 16 bits. 2889 * CTIO2 and CTIO7 are 32 bits. 2890 */ 2891 2892 if (IS_SCSI(isp)) { 2893 handle = ((ct_entry_t *)arg)->ct_syshandle; 2894 } else { 2895 handle = ((ct2_entry_t *)arg)->ct_syshandle; 2896 } 2897 ccb = isp_find_xs_tgt(isp, handle); 2898 if (ccb == NULL) { 2899 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg); 2900 return; 2901 } 2902 isp_destroy_tgt_handle(isp, handle); 2903 data_requested = PISP_PCMD(ccb)->datalen; 2904 isp_free_pcmd(isp, ccb); 2905 if (isp->isp_nactive) { 2906 isp->isp_nactive--; 2907 } 2908 2909 bus = XS_CHANNEL(ccb); 2910 tptr = get_lun_statep(isp, bus, XS_LUN(ccb)); 2911 if (tptr == NULL) { 2912 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD); 2913 } 2914 if (tptr == NULL) { 2915 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x after I/O", __func__, ccb->csio.tag_id); 2916 return; 2917 } 2918 2919 if (IS_24XX(isp)) { 2920 atp = isp_find_atpd(isp, tptr, ((ct7_entry_t *)arg)->ct_rxid); 2921 } else if (IS_FC(isp)) { 2922 atp = isp_find_atpd(isp, tptr, ((ct2_entry_t *)arg)->ct_rxid); 2923 } else { 2924 atp = isp_find_atpd(isp, tptr, ((ct_entry_t *)arg)->ct_fwhandle); 2925 } 2926 if (atp == NULL) { 2927 /* 2928 * XXX: isp_clear_commands() generates fake CTIO with zero 2929 * ct_rxid value, filling only ct_syshandle. Workaround 2930 * that using tag_id from the CCB, pointed by ct_syshandle. 2931 */ 2932 atp = isp_find_atpd(isp, tptr, ccb->csio.tag_id); 2933 } 2934 if (atp == NULL) { 2935 rls_lun_statep(isp, tptr); 2936 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id); 2937 return; 2938 } 2939 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero")); 2940 atp->bytes_in_transit -= data_requested; 2941 atp->ctcnt -= 1; 2942 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 2943 2944 if (IS_24XX(isp)) { 2945 ct7_entry_t *ct = arg; 2946 2947 if (ct->ct_nphdl == CT7_SRR) { 2948 atp->srr_ccb = ccb; 2949 if (atp->srr_notify_rcvd) 2950 isp_handle_srr_start(isp, tptr, atp); 2951 rls_lun_statep(isp, tptr); 2952 return; 2953 } 2954 if (ct->ct_nphdl == CT_HBA_RESET) { 2955 failure = CAM_UNREC_HBA_ERROR; 2956 } else { 2957 sentstatus = ct->ct_flags & CT7_SENDSTATUS; 2958 ok = (ct->ct_nphdl == CT7_OK); 2959 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2960 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) { 2961 resid = ct->ct_resid; 2962 moved_data = data_requested - resid; 2963 } 2964 } 2965 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), 2966 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2967 } else if (IS_FC(isp)) { 2968 ct2_entry_t *ct = arg; 2969 if (ct->ct_status == CT_SRR) { 2970 atp->srr_ccb = ccb; 2971 if (atp->srr_notify_rcvd) 2972 isp_handle_srr_start(isp, tptr, atp); 2973 rls_lun_statep(isp, tptr); 2974 isp_target_putback_atio(ccb); 2975 return; 2976 } 2977 if (ct->ct_status == CT_HBA_RESET) { 2978 failure = CAM_UNREC_HBA_ERROR; 2979 } else { 2980 sentstatus = ct->ct_flags & CT2_SENDSTATUS; 2981 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 2982 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2983 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) { 2984 resid = ct->ct_resid; 2985 moved_data = data_requested - resid; 2986 } 2987 } 2988 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO2[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct), 2989 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID"); 2990 } else { 2991 ct_entry_t *ct = arg; 2992 2993 if (ct->ct_status == (CT_HBA_RESET & 0xff)) { 2994 failure = CAM_UNREC_HBA_ERROR; 2995 } else { 2996 sentstatus = ct->ct_flags & CT_SENDSTATUS; 2997 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK; 2998 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0; 2999 } 3000 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) { 3001 resid = ct->ct_resid; 3002 moved_data = data_requested - resid; 3003 } 3004 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d tag %x S_ID 0x%x lun %d sts %x flg %x resid %d %s", __func__, ct->ct_fwhandle, ATPD_GET_SEQNO(ct), 3005 notify_cam, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID"); 3006 } 3007 if (ok) { 3008 if (moved_data) { 3009 atp->bytes_xfered += moved_data; 3010 ccb->csio.resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit; 3011 } 3012 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) { 3013 ccb->ccb_h.status |= CAM_SENT_SENSE; 3014 } 3015 ccb->ccb_h.status |= CAM_REQ_CMP; 3016 } else { 3017 notify_cam = 1; 3018 if (failure == CAM_UNREC_HBA_ERROR) 3019 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR; 3020 else 3021 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 3022 } 3023 atp->state = ATPD_STATE_PDON; 3024 rls_lun_statep(isp, tptr); 3025 3026 /* 3027 * We never *not* notify CAM when there has been any error (ok == 0), 3028 * so we never need to do an ATIO putback if we're not notifying CAM. 3029 */ 3030 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)", 3031 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0); 3032 if (notify_cam == 0) { 3033 if (atp->sendst) { 3034 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE); 3035 } 3036 return; 3037 } 3038 3039 /* 3040 * We're telling CAM we're done with this CTIO transaction. 3041 * 3042 * 24XX cards never need an ATIO put back. 3043 * 3044 * Other cards need one put back only on error. 3045 * In the latter case, a timeout will re-fire 3046 * and try again in case we didn't have 3047 * queue resources to do so at first. In any case, 3048 * once the putback is done we do the completion 3049 * call. 3050 */ 3051 if (ok || IS_24XX(isp)) { 3052 isp_complete_ctio(ccb); 3053 } else { 3054 isp_target_putback_atio(ccb); 3055 } 3056} 3057 3058static void 3059isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot) 3060{ 3061 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3062} 3063 3064static void 3065isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp) 3066{ 3067 int needack = 1; 3068 switch (inp->in_status) { 3069 case IN_PORT_LOGOUT: 3070 /* 3071 * XXX: Need to delete this initiator's WWN from the database 3072 * XXX: Need to send this LOGOUT upstream 3073 */ 3074 isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid); 3075 break; 3076 case IN_PORT_CHANGED: 3077 isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid); 3078 break; 3079 case IN_GLOBAL_LOGO: 3080 isp_del_all_wwn_entries(isp, 0); 3081 isp_prt(isp, ISP_LOGINFO, "all ports logged out"); 3082 break; 3083 case IN_ABORT_TASK: 3084 { 3085 tstate_t *tptr; 3086 uint16_t lun; 3087 uint32_t loopid, sid; 3088 uint64_t wwn; 3089 atio_private_data_t *atp; 3090 fcportdb_t *lp; 3091 struct ccb_immediate_notify *inot = NULL; 3092 3093 if (ISP_CAP_SCCFW(isp)) { 3094 lun = inp->in_scclun; 3095 } else { 3096 lun = inp->in_lun; 3097 } 3098 if (ISP_CAP_2KLOGIN(isp)) { 3099 loopid = ((in_fcentry_e_t *)inp)->in_iid; 3100 } else { 3101 loopid = inp->in_iid; 3102 } 3103 if (isp_find_pdb_by_handle(isp, 0, loopid, &lp)) { 3104 wwn = lp->port_wwn; 3105 sid = lp->portid; 3106 } else { 3107 wwn = INI_ANY; 3108 sid = PORT_ANY; 3109 } 3110 tptr = get_lun_statep(isp, 0, lun); 3111 if (tptr == NULL) { 3112 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD); 3113 if (tptr == NULL) { 3114 isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun); 3115 return; 3116 } 3117 } 3118 atp = isp_find_atpd(isp, tptr, inp->in_seqid); 3119 3120 if (atp) { 3121 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 3122 isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state); 3123 if (inot) { 3124 tptr->inot_count--; 3125 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 3126 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count); 3127 } else { 3128 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "out of INOT structures\n"); 3129 } 3130 } else { 3131 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn); 3132 } 3133 if (inot) { 3134 isp_notify_t tmp, *nt = &tmp; 3135 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 3136 nt->nt_hba = isp; 3137 nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn; 3138 nt->nt_wwn = wwn; 3139 nt->nt_nphdl = loopid; 3140 nt->nt_sid = sid; 3141 nt->nt_did = PORT_ANY; 3142 nt->nt_lun = lun; 3143 nt->nt_need_ack = 1; 3144 nt->nt_channel = 0; 3145 nt->nt_ncode = NT_ABORT_TASK; 3146 nt->nt_lreserved = inot; 3147 isp_handle_platform_target_tmf(isp, nt); 3148 needack = 0; 3149 } 3150 rls_lun_statep(isp, tptr); 3151 break; 3152 } 3153 default: 3154 break; 3155 } 3156 if (needack) { 3157 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp); 3158 } 3159} 3160 3161static void 3162isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot) 3163{ 3164 uint16_t nphdl; 3165 uint16_t prli_options = 0; 3166 uint32_t portid; 3167 fcportdb_t *lp; 3168 uint8_t *ptr = NULL; 3169 uint64_t wwn; 3170 3171 nphdl = inot->in_nphdl; 3172 if (nphdl != NIL_HANDLE) { 3173 portid = inot->in_portid_hi << 16 | inot->in_portid_lo; 3174 } else { 3175 portid = PORT_ANY; 3176 } 3177 3178 switch (inot->in_status) { 3179 case IN24XX_ELS_RCVD: 3180 { 3181 char buf[16], *msg; 3182 int chan = ISP_GET_VPIDX(isp, inot->in_vpidx); 3183 3184 /* 3185 * Note that we're just getting notification that an ELS was received 3186 * (possibly with some associated information sent upstream). This is 3187 * *not* the same as being given the ELS frame to accept or reject. 3188 */ 3189 switch (inot->in_status_subcode) { 3190 case LOGO: 3191 msg = "LOGO"; 3192 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) { 3193 ptr = (uint8_t *)inot; /* point to unswizzled entry! */ 3194 wwn = (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF]) << 56) | 3195 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+1]) << 48) | 3196 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+2]) << 40) | 3197 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+3]) << 32) | 3198 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+4]) << 24) | 3199 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+5]) << 16) | 3200 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+6]) << 8) | 3201 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+7])); 3202 } else { 3203 wwn = INI_ANY; 3204 } 3205 isp_del_wwn_entry(isp, chan, wwn, nphdl, portid); 3206 break; 3207 case PRLO: 3208 msg = "PRLO"; 3209 break; 3210 case PLOGI: 3211 case PRLI: 3212 /* 3213 * Treat PRLI the same as PLOGI and make a database entry for it. 3214 */ 3215 if (inot->in_status_subcode == PLOGI) { 3216 msg = "PLOGI"; 3217 } else { 3218 prli_options = inot->in_prli_options; 3219 msg = "PRLI"; 3220 } 3221 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) { 3222 ptr = (uint8_t *)inot; /* point to unswizzled entry! */ 3223 wwn = (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF]) << 56) | 3224 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+1]) << 48) | 3225 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+2]) << 40) | 3226 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+3]) << 32) | 3227 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+4]) << 24) | 3228 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+5]) << 16) | 3229 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+6]) << 8) | 3230 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+7])); 3231 } else { 3232 wwn = INI_NONE; 3233 } 3234 isp_add_wwn_entry(isp, chan, wwn, nphdl, portid, prli_options); 3235 break; 3236 case PDISC: 3237 msg = "PDISC"; 3238 break; 3239 case ADISC: 3240 msg = "ADISC"; 3241 break; 3242 default: 3243 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode); 3244 msg = buf; 3245 break; 3246 } 3247 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) { 3248 isp_prt(isp, ISP_LOGERR, "%s Chan %d ELS N-port handle %x PortID 0x%06x marked as needing a PUREX response", msg, chan, nphdl, portid); 3249 break; 3250 } 3251 isp_prt(isp, ISP_LOGTDEBUG0, "%s Chan %d ELS N-port handle %x PortID 0x%06x RX_ID 0x%x OX_ID 0x%x", msg, chan, nphdl, portid, 3252 inot->in_rxid, inot->in_oxid); 3253 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3254 break; 3255 } 3256 3257 case IN24XX_PORT_LOGOUT: 3258 ptr = "PORT LOGOUT"; 3259 if (isp_find_pdb_by_handle(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) { 3260 isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid); 3261 } 3262 /* FALLTHROUGH */ 3263 case IN24XX_PORT_CHANGED: 3264 if (ptr == NULL) { 3265 ptr = "PORT CHANGED"; 3266 } 3267 /* FALLTHROUGH */ 3268 case IN24XX_LIP_RESET: 3269 if (ptr == NULL) { 3270 ptr = "LIP RESET"; 3271 } 3272 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for N-port handle 0x%x", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr, inot->in_status_subcode, nphdl); 3273 3274 /* 3275 * All subcodes here are irrelevant. What is relevant 3276 * is that we need to terminate all active commands from 3277 * this initiator (known by N-port handle). 3278 */ 3279 /* XXX IMPLEMENT XXX */ 3280 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3281 break; 3282 3283 case IN24XX_SRR_RCVD: 3284#ifdef ISP_TARGET_MODE 3285 isp_handle_srr_notify(isp, inot); 3286 break; 3287#else 3288 if (ptr == NULL) { 3289 ptr = "SRR RCVD"; 3290 } 3291 /* FALLTHROUGH */ 3292#endif 3293 case IN24XX_LINK_RESET: 3294 if (ptr == NULL) { 3295 ptr = "LINK RESET"; 3296 } 3297 case IN24XX_LINK_FAILED: 3298 if (ptr == NULL) { 3299 ptr = "LINK FAILED"; 3300 } 3301 default: 3302 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr); 3303 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 3304 break; 3305 } 3306} 3307 3308static int 3309isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp) 3310{ 3311 3312 if (isp->isp_state != ISP_RUNSTATE) { 3313 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL); 3314 return (0); 3315 } 3316 3317 /* 3318 * This case is for a Task Management Function, which shows up as an ATIO7 entry. 3319 */ 3320 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) { 3321 ct7_entry_t local, *cto = &local; 3322 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved; 3323 fcportdb_t *lp; 3324 uint32_t sid; 3325 uint16_t nphdl; 3326 3327 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 3328 if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) { 3329 nphdl = lp->handle; 3330 } else { 3331 nphdl = NIL_HANDLE; 3332 } 3333 ISP_MEMZERO(&local, sizeof (local)); 3334 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 3335 cto->ct_header.rqs_entry_count = 1; 3336 cto->ct_nphdl = nphdl; 3337 cto->ct_rxid = aep->at_rxid; 3338 cto->ct_vpidx = mp->nt_channel; 3339 cto->ct_iid_lo = sid; 3340 cto->ct_iid_hi = sid >> 16; 3341 cto->ct_oxid = aep->at_hdr.ox_id; 3342 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1; 3343 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT; 3344 return (isp_target_put_entry(isp, &local)); 3345 } 3346 3347 /* 3348 * This case is for a responding to an ABTS frame 3349 */ 3350 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 3351 3352 /* 3353 * Overload nt_need_ack here to mark whether we've terminated the associated command. 3354 */ 3355 if (mp->nt_need_ack) { 3356 uint8_t storage[QENTRY_LEN]; 3357 ct7_entry_t *cto = (ct7_entry_t *) storage; 3358 abts_t *abts = (abts_t *)mp->nt_lreserved; 3359 3360 ISP_MEMZERO(cto, sizeof (ct7_entry_t)); 3361 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task); 3362 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 3363 cto->ct_header.rqs_entry_count = 1; 3364 cto->ct_nphdl = mp->nt_nphdl; 3365 cto->ct_rxid = abts->abts_rxid_task; 3366 cto->ct_iid_lo = mp->nt_sid; 3367 cto->ct_iid_hi = mp->nt_sid >> 16; 3368 cto->ct_oxid = abts->abts_ox_id; 3369 cto->ct_vpidx = mp->nt_channel; 3370 cto->ct_flags = CT7_NOACK|CT7_TERMINATE; 3371 if (isp_target_put_entry(isp, cto)) { 3372 return (ENOMEM); 3373 } 3374 mp->nt_need_ack = 0; 3375 } 3376 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) { 3377 return (ENOMEM); 3378 } else { 3379 return (0); 3380 } 3381 } 3382 3383 /* 3384 * Handle logout cases here 3385 */ 3386 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) { 3387 isp_del_all_wwn_entries(isp, mp->nt_channel); 3388 } 3389 3390 if (mp->nt_ncode == NT_LOGOUT) { 3391 if (!IS_2100(isp) && IS_FC(isp)) { 3392 isp_del_wwn_entries(isp, mp); 3393 } 3394 } 3395 3396 /* 3397 * General purpose acknowledgement 3398 */ 3399 if (mp->nt_need_ack) { 3400 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL); 3401 /* 3402 * Don't need to use the guaranteed send because the caller can retry 3403 */ 3404 return (isp_notify_ack(isp, mp->nt_lreserved)); 3405 } 3406 return (0); 3407} 3408 3409/* 3410 * Handle task management functions. 3411 * 3412 * We show up here with a notify structure filled out. 3413 * 3414 * The nt_lreserved tag points to the original queue entry 3415 */ 3416static void 3417isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify) 3418{ 3419 tstate_t *tptr; 3420 fcportdb_t *lp; 3421 struct ccb_immediate_notify *inot; 3422 inot_private_data_t *ntp = NULL; 3423 lun_id_t lun; 3424 3425 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode, 3426 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun); 3427 /* 3428 * NB: This assignment is necessary because of tricky type conversion. 3429 * XXX: This is tricky and I need to check this. If the lun isn't known 3430 * XXX: for the task management function, it does not of necessity follow 3431 * XXX: that it should go up stream to the wildcard listener. 3432 */ 3433 if (notify->nt_lun == LUN_ANY) { 3434 lun = CAM_LUN_WILDCARD; 3435 } else { 3436 lun = notify->nt_lun; 3437 } 3438 tptr = get_lun_statep(isp, notify->nt_channel, lun); 3439 if (tptr == NULL) { 3440 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD); 3441 if (tptr == NULL) { 3442 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun 0x%x", __func__, notify->nt_channel, lun); 3443 goto bad; 3444 } 3445 } 3446 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots); 3447 if (inot == NULL) { 3448 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun 0x%x", __func__, notify->nt_channel, lun); 3449 goto bad; 3450 } 3451 3452 if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 && 3453 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) { 3454 inot->initiator_id = CAM_TARGET_WILDCARD; 3455 } else { 3456 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp); 3457 } 3458 inot->seq_id = notify->nt_tagval; 3459 inot->tag_id = notify->nt_tagval >> 32; 3460 3461 switch (notify->nt_ncode) { 3462 case NT_ABORT_TASK: 3463 isp_target_mark_aborted_early(isp, tptr, inot->tag_id); 3464 inot->arg = MSG_ABORT_TASK; 3465 break; 3466 case NT_ABORT_TASK_SET: 3467 isp_target_mark_aborted_early(isp, tptr, TAG_ANY); 3468 inot->arg = MSG_ABORT_TASK_SET; 3469 break; 3470 case NT_CLEAR_ACA: 3471 inot->arg = MSG_CLEAR_ACA; 3472 break; 3473 case NT_CLEAR_TASK_SET: 3474 inot->arg = MSG_CLEAR_TASK_SET; 3475 break; 3476 case NT_LUN_RESET: 3477 inot->arg = MSG_LOGICAL_UNIT_RESET; 3478 break; 3479 case NT_TARGET_RESET: 3480 inot->arg = MSG_TARGET_RESET; 3481 break; 3482 case NT_QUERY_TASK_SET: 3483 inot->arg = MSG_QUERY_TASK_SET; 3484 break; 3485 case NT_QUERY_ASYNC_EVENT: 3486 inot->arg = MSG_QUERY_ASYNC_EVENT; 3487 break; 3488 default: 3489 isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun 0x%x", __func__, notify->nt_ncode, notify->nt_channel, lun); 3490 goto bad; 3491 } 3492 3493 ntp = isp_get_ntpd(isp, tptr); 3494 if (ntp == NULL) { 3495 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__); 3496 goto bad; 3497 } 3498 ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t)); 3499 if (notify->nt_lreserved) { 3500 ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN); 3501 ntp->rd.nt.nt_lreserved = &ntp->rd.data; 3502 } 3503 ntp->rd.seq_id = notify->nt_tagval; 3504 ntp->rd.tag_id = notify->nt_tagval >> 32; 3505 3506 tptr->inot_count--; 3507 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle); 3508 rls_lun_statep(isp, tptr); 3509 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count); 3510 inot->ccb_h.status = CAM_MESSAGE_RECV; 3511 xpt_done((union ccb *)inot); 3512 return; 3513bad: 3514 if (tptr) { 3515 rls_lun_statep(isp, tptr); 3516 } 3517 if (notify->nt_need_ack && notify->nt_lreserved) { 3518 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) { 3519 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) { 3520 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK"); 3521 } 3522 } else { 3523 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved); 3524 } 3525 } 3526} 3527 3528/* 3529 * Find the associated private data and mark it as dead so 3530 * we don't try to work on it any further. 3531 */ 3532static void 3533isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb) 3534{ 3535 tstate_t *tptr; 3536 atio_private_data_t *atp; 3537 union ccb *accb = ccb->cab.abort_ccb; 3538 3539 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb)); 3540 if (tptr == NULL) { 3541 tptr = get_lun_statep(isp, XS_CHANNEL(accb), CAM_LUN_WILDCARD); 3542 if (tptr == NULL) { 3543 ccb->ccb_h.status = CAM_REQ_INVALID; 3544 return; 3545 } 3546 } 3547 3548 atp = isp_find_atpd(isp, tptr, accb->atio.tag_id); 3549 if (atp == NULL) { 3550 ccb->ccb_h.status = CAM_REQ_INVALID; 3551 } else { 3552 atp->dead = 1; 3553 ccb->ccb_h.status = CAM_REQ_CMP; 3554 } 3555 rls_lun_statep(isp, tptr); 3556} 3557 3558static void 3559isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id) 3560{ 3561 atio_private_data_t *atp; 3562 inot_private_data_t *restart_queue = tptr->restart_queue; 3563 3564 /* 3565 * First, clean any commands pending restart 3566 */ 3567 tptr->restart_queue = NULL; 3568 while (restart_queue) { 3569 uint32_t this_tag_id; 3570 inot_private_data_t *ntp = restart_queue; 3571 3572 restart_queue = ntp->rd.nt.nt_hba; 3573 3574 if (IS_24XX(isp)) { 3575 this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid; 3576 } else { 3577 this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid; 3578 } 3579 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) { 3580 isp_put_ntpd(isp, tptr, ntp); 3581 } else { 3582 ntp->rd.nt.nt_hba = tptr->restart_queue; 3583 tptr->restart_queue = ntp; 3584 } 3585 } 3586 3587 /* 3588 * Now mark other ones dead as well. 3589 */ 3590 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) { 3591 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) { 3592 atp->dead = 1; 3593 } 3594 } 3595} 3596 3597 3598#ifdef ISP_INTERNAL_TARGET 3599//#define ISP_SEPARATE_STATUS 1 3600#define ISP_MULTI_CCBS 1 3601#if defined(ISP_MULTI_CCBS) && !defined(ISP_SEPARATE_STATUS) 3602#define ISP_SEPARATE_STATUS 1 3603#endif 3604 3605typedef struct periph_private_data_t { 3606 union ccb *ccb; /* original ATIO or Immediate Notify */ 3607 unsigned long offset; /* current offset */ 3608 int sequence; /* current CTIO sequence */ 3609 int ctio_cnt; /* current # of ctio's outstanding */ 3610 int 3611 status_sent : 1, 3612 on_queue : 1; /* on restart queue */ 3613} ppd_t; 3614/* 3615 * Each ATIO we allocate will have periph private data associated with it 3616 * that maintains per-command state. This private to each ATIO. 3617 */ 3618#define ATIO_PPD(ccb) ((ppd_t *)(((struct ccb_hdr *)ccb)->ppriv_ptr0)) 3619/* 3620 * Each CTIO we send downstream will get a pointer to the ATIO itself 3621 * so that on completion we can retrieve that pointer. 3622 */ 3623#define ccb_atio ppriv_ptr1 3624#define ccb_inot ppriv_ptr1 3625 3626/* 3627 * Each CTIO we send downstream will contain a sequence number 3628 */ 3629#define CTIO_SEQ(ccb) ccb->ccb_h.ppriv_field0 3630 3631#define MAX_ISP_TARG_TRANSFER (2 << 20) 3632#define NISP_TARG_CMDS 64 3633#define NISP_TARG_NOTIFIES 64 3634#define DISK_SHIFT 9 3635#define JUNK_SIZE 256 3636#define MULTI_CCB_DATA_LIM 8192 3637//#define MULTI_CCB_DATA_CNT 64 3638#define MULTI_CCB_DATA_CNT 8 3639 3640extern u_int vm_kmem_size; 3641static int ca; 3642static uint32_t disk_size; 3643static uint8_t *disk_data = NULL; 3644static uint8_t *junk_data; 3645static MALLOC_DEFINE(M_ISPTARG, "ISPTARG", "ISP TARGET data"); 3646struct isptarg_softc { 3647 /* CCBs (CTIOs, ATIOs, INOTs) pending on the controller */ 3648 struct isp_ccbq work_queue; 3649 struct isp_ccbq rework_queue; 3650 struct isp_ccbq running_queue; 3651 struct isp_ccbq inot_queue; 3652 struct cam_periph *periph; 3653 struct cam_path *path; 3654 ispsoftc_t *isp; 3655}; 3656static periph_ctor_t isptargctor; 3657static periph_dtor_t isptargdtor; 3658static periph_start_t isptargstart; 3659static periph_init_t isptarginit; 3660static void isptarg_done(struct cam_periph *, union ccb *); 3661static void isptargasync(void *, u_int32_t, struct cam_path *, void *); 3662 3663 3664static int isptarg_rwparm(uint8_t *, uint8_t *, uint64_t, uint32_t, uint8_t **, uint32_t *, int *); 3665 3666static struct periph_driver isptargdriver = 3667{ 3668 isptarginit, "isptarg", TAILQ_HEAD_INITIALIZER(isptargdriver.units), 0 3669}; 3670 3671static void 3672isptarginit(void) 3673{ 3674} 3675 3676static void 3677isptargnotify(ispsoftc_t *isp, union ccb *iccb, struct ccb_immediate_notify *inot) 3678{ 3679 struct ccb_notify_acknowledge *ack = &iccb->cna2; 3680 3681 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: [0x%x] immediate notify for 0x%x from 0x%x status 0x%x arg 0x%x\n", __func__, 3682 inot->tag_id, inot->initiator_id, inot->seq_id, inot->ccb_h.status, inot->arg); 3683 ack->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 3684 ack->ccb_h.flags = 0; 3685 ack->ccb_h.retry_count = 0; 3686 ack->ccb_h.cbfcnp = isptarg_done; 3687 ack->ccb_h.timeout = 0; 3688 ack->ccb_h.ccb_inot = inot; 3689 ack->tag_id = inot->tag_id; 3690 ack->seq_id = inot->seq_id; 3691 ack->initiator_id = inot->initiator_id; 3692 xpt_action(iccb); 3693} 3694 3695static void 3696isptargstart(struct cam_periph *periph, union ccb *iccb) 3697{ 3698 const uint8_t niliqd[SHORT_INQUIRY_LENGTH] = { 3699 0x7f, 0x0, 0x5, 0x2, 32, 0, 0, 0x32, 3700 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 3701 'S', 'C', 'S', 'I', ' ', 'N', 'U', 'L', 3702 'L', ' ', 'D', 'E', 'V', 'I', 'C', 'E', 3703 '0', '0', '0', '1' 3704 }; 3705 const uint8_t iqd[SHORT_INQUIRY_LENGTH] = { 3706 0, 0x0, 0x5, 0x2, 32, 0, 0, 0x32, 3707 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 3708 'S', 'C', 'S', 'I', ' ', 'M', 'E', 'M', 3709 'O', 'R', 'Y', ' ', 'D', 'I', 'S', 'K', 3710 '0', '0', '0', '1' 3711 }; 3712 int r, i, more = 0, last, is_data_cmd = 0, is_write; 3713 char *queue; 3714 struct isptarg_softc *softc = periph->softc; 3715 struct ccb_scsiio *csio; 3716 lun_id_t return_lun; 3717 struct ccb_accept_tio *atio; 3718 uint8_t *cdb, *ptr, status; 3719 uint8_t *data_ptr; 3720 uint32_t data_len, flags; 3721 struct ccb_hdr *ccbh; 3722 3723 mtx_assert(periph->sim->mtx, MA_OWNED); 3724 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, iccb->ccb_h.path, "%s: function code 0x%x INOTQ=%c WORKQ=%c REWORKQ=%c\n", __func__, iccb->ccb_h.func_code, 3725 TAILQ_FIRST(&softc->inot_queue)? 'y' : 'n', TAILQ_FIRST(&softc->work_queue)? 'y' : 'n', TAILQ_FIRST(&softc->rework_queue)? 'y' : 'n'); 3726 /* 3727 * Check for immediate notifies first 3728 */ 3729 ccbh = TAILQ_FIRST(&softc->inot_queue); 3730 if (ccbh) { 3731 TAILQ_REMOVE(&softc->inot_queue, ccbh, periph_links.tqe); 3732 if (TAILQ_FIRST(&softc->inot_queue) || TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue)) { 3733 xpt_schedule(periph, 1); 3734 } 3735 isptargnotify(softc->isp, iccb, (struct ccb_immediate_notify *)ccbh); 3736 return; 3737 } 3738 3739 /* 3740 * Check the rework (continuation) work queue first. 3741 */ 3742 ccbh = TAILQ_FIRST(&softc->rework_queue); 3743 if (ccbh) { 3744 atio = (struct ccb_accept_tio *)ccbh; 3745 TAILQ_REMOVE(&softc->rework_queue, ccbh, periph_links.tqe); 3746 more = TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue); 3747 queue = "rework"; 3748 } else { 3749 ccbh = TAILQ_FIRST(&softc->work_queue); 3750 if (ccbh == NULL) { 3751 xpt_release_ccb(iccb); 3752 return; 3753 } 3754 atio = (struct ccb_accept_tio *)ccbh; 3755 TAILQ_REMOVE(&softc->work_queue, ccbh, periph_links.tqe); 3756 more = TAILQ_FIRST(&softc->work_queue) != NULL; 3757 queue = "work"; 3758 } 3759 ATIO_PPD(atio)->on_queue = 0; 3760 3761 if (atio->tag_id == 0xffffffff || atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) { 3762 panic("BAD ATIO"); 3763 } 3764 3765 data_len = is_write = 0; 3766 data_ptr = NULL; 3767 csio = &iccb->csio; 3768 status = SCSI_STATUS_OK; 3769 flags = CAM_SEND_STATUS; 3770 memset(&atio->sense_data, 0, sizeof (atio->sense_data)); 3771 cdb = atio->cdb_io.cdb_bytes; 3772 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, ccbh->path, "%s: [0x%x] processing ATIO from %s queue initiator 0x%x CDB=0x%x data_offset=%u\n", __func__, atio->tag_id, 3773 queue, atio->init_id, cdb[0], ATIO_PPD(atio)->offset); 3774 3775 return_lun = XS_LUN(atio); 3776 if (return_lun != 0) { 3777 xpt_print(atio->ccb_h.path, "[0x%x] Non-Zero Lun %d: cdb0=0x%x\n", atio->tag_id, return_lun, cdb[0]); 3778 if (cdb[0] != INQUIRY && cdb[0] != REPORT_LUNS && cdb[0] != REQUEST_SENSE) { 3779 status = SCSI_STATUS_CHECK_COND; 3780 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3781 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3782 SDFIXED(atio->sense_data)->add_sense_code = 0x25; /* LOGICAL UNIT NOT SUPPORTED */ 3783 atio->sense_len = SSD_MIN_SIZE; 3784 } 3785 return_lun = CAM_LUN_WILDCARD; 3786 } 3787 3788 switch (cdb[0]) { 3789 case REQUEST_SENSE: 3790 flags |= CAM_DIR_IN; 3791 data_len = sizeof (atio->sense_data); 3792 junk_data[0] = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_NO_SENSE; 3793 memset(junk_data+1, 0, data_len-1); 3794 if (data_len > cdb[4]) { 3795 data_len = cdb[4]; 3796 } 3797 if (data_len) { 3798 data_ptr = junk_data; 3799 } 3800 break; 3801 case WRITE_6: 3802 case WRITE_10: 3803 case WRITE_12: 3804 case WRITE_16: 3805 is_write = 1; 3806 /* FALLTHROUGH */ 3807 case READ_6: 3808 case READ_10: 3809 case READ_12: 3810 case READ_16: 3811 is_data_cmd = 1; 3812 r = isptarg_rwparm(cdb, disk_data, disk_size, ATIO_PPD(atio)->offset, &data_ptr, &data_len, &last); 3813 if (r != 0) { 3814 status = SCSI_STATUS_CHECK_COND; 3815 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3816 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3817 if (r == -1) { 3818 SDFIXED(atio->sense_data)->add_sense_code = 0x21; /* LOGICAL BLOCK ADDRESS OUT OF RANGE */ 3819 } else { 3820 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */ 3821 } 3822 atio->sense_len = SSD_MIN_SIZE; 3823 } else { 3824#ifdef ISP_SEPARATE_STATUS 3825 if (last && data_len) { 3826 last = 0; 3827 } 3828#endif 3829 if (last == 0) { 3830 flags &= ~CAM_SEND_STATUS; 3831 } 3832 if (data_len) { 3833 ATIO_PPD(atio)->offset += data_len; 3834 if (is_write) 3835 flags |= CAM_DIR_OUT; 3836 else 3837 flags |= CAM_DIR_IN; 3838 } else { 3839 flags |= CAM_DIR_NONE; 3840 } 3841 } 3842 break; 3843 case INQUIRY: 3844 flags |= CAM_DIR_IN; 3845 if (cdb[1] || cdb[2] || cdb[3]) { 3846 status = SCSI_STATUS_CHECK_COND; 3847 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3848 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION; 3849 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */ 3850 atio->sense_len = SSD_MIN_SIZE; 3851 break; 3852 } 3853 data_len = sizeof (iqd); 3854 if (data_len > cdb[4]) { 3855 data_len = cdb[4]; 3856 } 3857 if (data_len) { 3858 if (XS_LUN(iccb) != 0) { 3859 memcpy(junk_data, niliqd, sizeof (iqd)); 3860 } else { 3861 memcpy(junk_data, iqd, sizeof (iqd)); 3862 } 3863 data_ptr = junk_data; 3864 } 3865 break; 3866 case TEST_UNIT_READY: 3867 flags |= CAM_DIR_NONE; 3868 if (ca) { 3869 ca = 0; 3870 status = SCSI_STATUS_CHECK_COND; 3871 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3872 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION; 3873 SDFIXED(atio->sense_data)->add_sense_code = 0x29; /* POWER ON, RESET, OR BUS DEVICE RESET OCCURRED */ 3874 atio->sense_len = SSD_MIN_SIZE; 3875 } 3876 break; 3877 case SYNCHRONIZE_CACHE: 3878 case START_STOP: 3879 case RESERVE: 3880 case RELEASE: 3881 case VERIFY_10: 3882 flags |= CAM_DIR_NONE; 3883 break; 3884 3885 case READ_CAPACITY: 3886 flags |= CAM_DIR_IN; 3887 if (cdb[2] || cdb[3] || cdb[4] || cdb[5]) { 3888 status = SCSI_STATUS_CHECK_COND; 3889 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3890 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3891 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */ 3892 atio->sense_len = SSD_MIN_SIZE; 3893 break; 3894 } 3895 if (cdb[8] & 0x1) { /* PMI */ 3896 junk_data[0] = 0xff; 3897 junk_data[1] = 0xff; 3898 junk_data[2] = 0xff; 3899 junk_data[3] = 0xff; 3900 } else { 3901 uint64_t last_blk = (disk_size >> DISK_SHIFT) - 1; 3902 if (last_blk < 0xffffffffULL) { 3903 junk_data[0] = (last_blk >> 24) & 0xff; 3904 junk_data[1] = (last_blk >> 16) & 0xff; 3905 junk_data[2] = (last_blk >> 8) & 0xff; 3906 junk_data[3] = (last_blk) & 0xff; 3907 } else { 3908 junk_data[0] = 0xff; 3909 junk_data[1] = 0xff; 3910 junk_data[2] = 0xff; 3911 junk_data[3] = 0xff; 3912 } 3913 } 3914 junk_data[4] = ((1 << DISK_SHIFT) >> 24) & 0xff; 3915 junk_data[5] = ((1 << DISK_SHIFT) >> 16) & 0xff; 3916 junk_data[6] = ((1 << DISK_SHIFT) >> 8) & 0xff; 3917 junk_data[7] = ((1 << DISK_SHIFT)) & 0xff; 3918 data_ptr = junk_data; 3919 data_len = 8; 3920 break; 3921 case REPORT_LUNS: 3922 flags |= CAM_DIR_IN; 3923 memset(junk_data, 0, JUNK_SIZE); 3924 junk_data[0] = (1 << 3) >> 24; 3925 junk_data[1] = (1 << 3) >> 16; 3926 junk_data[2] = (1 << 3) >> 8; 3927 junk_data[3] = (1 << 3); 3928 ptr = NULL; 3929 for (i = 0; i < 1; i++) { 3930 ptr = &junk_data[8 + (i << 3)]; 3931 if (i >= 256) { 3932 ptr[0] = 0x40 | ((i >> 8) & 0x3f); 3933 } 3934 ptr[1] = i; 3935 } 3936 data_ptr = junk_data; 3937 data_len = (ptr + 8) - junk_data; 3938 break; 3939 3940 default: 3941 flags |= CAM_DIR_NONE; 3942 status = SCSI_STATUS_CHECK_COND; 3943 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR; 3944 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST; 3945 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */ 3946 atio->sense_len = SSD_MIN_SIZE; 3947 break; 3948 } 3949 3950 /* 3951 * If we are done with the transaction, tell the 3952 * controller to send status and perform a CMD_CMPLT. 3953 * If we have associated sense data, see if we can 3954 * send that too. 3955 */ 3956 if (status == SCSI_STATUS_CHECK_COND) { 3957 flags |= CAM_SEND_SENSE; 3958 csio->sense_len = atio->sense_len; 3959 csio->sense_data = atio->sense_data; 3960 flags &= ~CAM_DIR_MASK; 3961 data_len = 0; 3962 data_ptr = NULL; 3963 } 3964 cam_fill_ctio(csio, 0, isptarg_done, flags, MSG_SIMPLE_Q_TAG, atio->tag_id, atio->init_id, status, data_ptr, data_len, 30 * hz); 3965 iccb->ccb_h.target_id = atio->ccb_h.target_id; 3966 iccb->ccb_h.target_lun = return_lun; 3967 iccb->ccb_h.ccb_atio = atio; 3968 CTIO_SEQ(iccb) = ATIO_PPD(atio)->sequence++; 3969 ATIO_PPD(atio)->ctio_cnt++; 3970 if (flags & CAM_SEND_STATUS) { 3971 KASSERT((ATIO_PPD(atio)->status_sent == 0), ("we have already sent status for 0x%x in %s", atio->tag_id, __func__)); 3972 ATIO_PPD(atio)->status_sent = 1; 3973 } 3974 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: sending downstream for 0x%x sequence %u len %u flags %x\n", __func__, atio->tag_id, CTIO_SEQ(iccb), data_len, flags); 3975 xpt_action(iccb); 3976 3977 if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3978 cam_release_devq(periph->path, 0, 0, 0, 0); 3979 atio->ccb_h.status &= ~CAM_DEV_QFRZN; 3980 } 3981#ifdef ISP_MULTI_CCBS 3982 if (is_data_cmd && ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->ctio_cnt < MULTI_CCB_DATA_CNT && ATIO_PPD(atio)->on_queue == 0) { 3983 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: more still to do for 0x%x\n", __func__, atio->tag_id); 3984 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 3985 ATIO_PPD(atio)->on_queue = 1; 3986 more = 1; 3987 } 3988#endif 3989 if (more) { 3990 xpt_schedule(periph, 1); 3991 } 3992} 3993 3994static cam_status 3995isptargctor(struct cam_periph *periph, void *arg) 3996{ 3997 struct isptarg_softc *softc; 3998 3999 softc = (struct isptarg_softc *)arg; 4000 periph->softc = softc; 4001 softc->periph = periph; 4002 softc->path = periph->path; 4003 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__); 4004 return (CAM_REQ_CMP); 4005} 4006 4007static void 4008isptargdtor(struct cam_periph *periph) 4009{ 4010 struct isptarg_softc *softc; 4011 softc = (struct isptarg_softc *)periph->softc; 4012 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__); 4013 softc->periph = NULL; 4014 softc->path = NULL; 4015 periph->softc = NULL; 4016} 4017 4018static void 4019isptarg_done(struct cam_periph *periph, union ccb *ccb) 4020{ 4021 struct isptarg_softc *softc; 4022 ispsoftc_t *isp; 4023 uint32_t newoff; 4024 struct ccb_accept_tio *atio; 4025 struct ccb_immediate_notify *inot; 4026 cam_status status; 4027 4028 softc = (struct isptarg_softc *)periph->softc; 4029 isp = softc->isp; 4030 status = ccb->ccb_h.status & CAM_STATUS_MASK; 4031 4032 switch (ccb->ccb_h.func_code) { 4033 case XPT_ACCEPT_TARGET_IO: 4034 atio = (struct ccb_accept_tio *) ccb; 4035 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] ATIO seen in %s\n", atio->tag_id, __func__); 4036 memset(ATIO_PPD(atio), 0, sizeof (ppd_t)); 4037 TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, periph_links.tqe); 4038 ATIO_PPD(atio)->on_queue = 1; 4039 xpt_schedule(periph, 1); 4040 break; 4041 case XPT_IMMEDIATE_NOTIFY: 4042 inot = (struct ccb_immediate_notify *) ccb; 4043 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] INOT for 0x%x seen in %s\n", inot->tag_id, inot->seq_id, __func__); 4044 TAILQ_INSERT_TAIL(&softc->inot_queue, &ccb->ccb_h, periph_links.tqe); 4045 xpt_schedule(periph, 1); 4046 break; 4047 case XPT_CONT_TARGET_IO: 4048 atio = ccb->ccb_h.ccb_atio; 4049 KASSERT((ATIO_PPD(atio)->ctio_cnt != 0), ("ctio zero when finishing a CTIO")); 4050 ATIO_PPD(atio)->ctio_cnt--; 4051 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 4052 switch (ccb->ccb_h.status & CAM_STATUS_MASK) { 4053 case CAM_MESSAGE_RECV: 4054 newoff = (ccb->csio.msg_ptr[3] << 24) | (ccb->csio.msg_ptr[4] << 16) | (ccb->csio.msg_ptr[5] << 8) | (ccb->csio.msg_ptr[6]); 4055 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "[0x%x] got message to return to reset offset to 0x%x at sequence %u\n", atio->tag_id, newoff, CTIO_SEQ(ccb)); 4056 ATIO_PPD(atio)->offset = newoff; 4057 ATIO_PPD(atio)->status_sent = 0; 4058 if (ATIO_PPD(atio)->on_queue == 0) { 4059 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 4060 ATIO_PPD(atio)->on_queue = 1; 4061 } 4062 xpt_schedule(periph, 1); 4063 break; 4064 default: 4065 cam_error_print(ccb, CAM_ESF_ALL, CAM_EPF_ALL); 4066 xpt_action((union ccb *)atio); 4067 break; 4068 } 4069 } else if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4070 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] MID CTIO sequence %u seen in %s\n", atio->tag_id, CTIO_SEQ(ccb), __func__); 4071 if (ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->on_queue == 0) { 4072 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe); 4073 ATIO_PPD(atio)->on_queue = 1; 4074 } 4075 xpt_schedule(periph, 1); 4076 } else { 4077 KASSERT((ATIO_PPD(atio)->ctio_cnt == 0), ("ctio count still %d when we think we've sent the STATUS ctio", ATIO_PPD(atio)->ctio_cnt)); 4078 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] FINAL CTIO sequence %u seen in %s\n", atio->tag_id, CTIO_SEQ(ccb), __func__); 4079 xpt_action((union ccb *)atio); 4080 } 4081 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 4082 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0); 4083 ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 4084 } 4085 xpt_release_ccb(ccb); 4086 break; 4087 case XPT_NOTIFY_ACKNOWLEDGE: 4088 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 4089 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0); 4090 ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 4091 } 4092 inot = ccb->ccb_h.ccb_inot; 4093 ISP_PATH_PRT(isp, ISP_LOGTDEBUG1, inot->ccb_h.path, "[0x%x] recycle notify for tag 0x%x\n", inot->tag_id, inot->seq_id); 4094 xpt_release_ccb(ccb); 4095 xpt_action((union ccb *)inot); 4096 break; 4097 default: 4098 xpt_print(ccb->ccb_h.path, "unexpected code 0x%x\n", ccb->ccb_h.func_code); 4099 break; 4100 } 4101} 4102 4103static void 4104isptargasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) 4105{ 4106 struct ac_contract *acp = arg; 4107 struct ac_device_changed *fc = (struct ac_device_changed *) acp->contract_data; 4108 4109 if (code != AC_CONTRACT) { 4110 return; 4111 } 4112 xpt_print(path, "0x%016llx Port ID 0x%06x %s\n", (unsigned long long) fc->wwpn, fc->port, fc->arrived? "arrived" : "departed"); 4113} 4114 4115static void 4116isp_target_thread(ispsoftc_t *isp, int chan) 4117{ 4118 union ccb *ccb = NULL; 4119 int i; 4120 void *wchan; 4121 cam_status status; 4122 struct isptarg_softc *softc = NULL; 4123 struct cam_periph *periph = NULL, *wperiph = NULL; 4124 struct cam_path *path, *wpath; 4125 struct cam_sim *sim; 4126 4127 if (disk_data == NULL) { 4128 disk_size = roundup2(vm_kmem_size >> 1, (1ULL << 20)); 4129 if (disk_size < (50 << 20)) { 4130 disk_size = 50 << 20; 4131 } 4132 disk_data = malloc(disk_size, M_ISPTARG, M_WAITOK | M_ZERO); 4133 if (disk_data == NULL) { 4134 isp_prt(isp, ISP_LOGERR, "%s: could not allocate disk data", __func__); 4135 goto out; 4136 } 4137 isp_prt(isp, ISP_LOGINFO, "allocated a %ju MiB disk", (uintmax_t) (disk_size >> 20)); 4138 } 4139 junk_data = malloc(JUNK_SIZE, M_ISPTARG, M_WAITOK | M_ZERO); 4140 if (junk_data == NULL) { 4141 isp_prt(isp, ISP_LOGERR, "%s: could not allocate junk", __func__); 4142 goto out; 4143 } 4144 4145 4146 softc = malloc(sizeof (*softc), M_ISPTARG, M_WAITOK | M_ZERO); 4147 if (softc == NULL) { 4148 isp_prt(isp, ISP_LOGERR, "%s: could not allocate softc", __func__); 4149 goto out; 4150 } 4151 TAILQ_INIT(&softc->work_queue); 4152 TAILQ_INIT(&softc->rework_queue); 4153 TAILQ_INIT(&softc->running_queue); 4154 TAILQ_INIT(&softc->inot_queue); 4155 softc->isp = isp; 4156 4157 periphdriver_register(&isptargdriver); 4158 ISP_GET_PC(isp, chan, sim, sim); 4159 ISP_GET_PC(isp, chan, path, path); 4160 status = xpt_create_path(&wpath, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 4161 if (status != CAM_REQ_CMP) { 4162 isp_prt(isp, ISP_LOGERR, "%s: could not allocate wildcard path", __func__); 4163 return; 4164 } 4165 status = xpt_create_path(&path, NULL, cam_sim_path(sim), 0, 0); 4166 if (status != CAM_REQ_CMP) { 4167 xpt_free_path(wpath); 4168 isp_prt(isp, ISP_LOGERR, "%s: could not allocate path", __func__); 4169 return; 4170 } 4171 4172 ISP_LOCK(isp); 4173 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, wpath, NULL, 0, softc); 4174 if (status != CAM_REQ_CMP) { 4175 ISP_UNLOCK(isp); 4176 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc for wildcard failed", __func__); 4177 goto out; 4178 } 4179 wperiph = cam_periph_find(wpath, "isptarg"); 4180 if (wperiph == NULL) { 4181 ISP_UNLOCK(isp); 4182 isp_prt(isp, ISP_LOGERR, "%s: wildcard periph already allocated but doesn't exist", __func__); 4183 goto out; 4184 } 4185 4186 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, path, NULL, 0, softc); 4187 if (status != CAM_REQ_CMP) { 4188 ISP_UNLOCK(isp); 4189 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc failed", __func__); 4190 goto out; 4191 } 4192 4193 periph = cam_periph_find(path, "isptarg"); 4194 if (periph == NULL) { 4195 ISP_UNLOCK(isp); 4196 isp_prt(isp, ISP_LOGERR, "%s: periph already allocated but doesn't exist", __func__); 4197 goto out; 4198 } 4199 4200 status = xpt_register_async(AC_CONTRACT, isptargasync, isp, wpath); 4201 if (status != CAM_REQ_CMP) { 4202 ISP_UNLOCK(isp); 4203 isp_prt(isp, ISP_LOGERR, "%s: xpt_register_async failed", __func__); 4204 goto out; 4205 } 4206 4207 ISP_UNLOCK(isp); 4208 4209 ccb = xpt_alloc_ccb(); 4210 4211 /* 4212 * Make sure role is none. 4213 */ 4214 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4215 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 4216 ccb->knob.xport_specific.fc.role = KNOB_ROLE_NONE; 4217 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE; 4218 4219 ISP_LOCK(isp); 4220 xpt_action(ccb); 4221 ISP_UNLOCK(isp); 4222 4223 /* 4224 * Now enable luns 4225 */ 4226 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4227 ccb->ccb_h.func_code = XPT_EN_LUN; 4228 ccb->cel.enable = 1; 4229 ISP_LOCK(isp); 4230 xpt_action(ccb); 4231 ISP_UNLOCK(isp); 4232 if (ccb->ccb_h.status != CAM_REQ_CMP) { 4233 xpt_free_ccb(ccb); 4234 xpt_print(periph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status); 4235 goto out; 4236 } 4237 4238 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 10); 4239 ccb->ccb_h.func_code = XPT_EN_LUN; 4240 ccb->cel.enable = 1; 4241 ISP_LOCK(isp); 4242 xpt_action(ccb); 4243 ISP_UNLOCK(isp); 4244 if (ccb->ccb_h.status != CAM_REQ_CMP) { 4245 xpt_free_ccb(ccb); 4246 xpt_print(wperiph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status); 4247 goto out; 4248 } 4249 xpt_free_ccb(ccb); 4250 4251 /* 4252 * Add resources 4253 */ 4254 ISP_GET_PC(isp, chan, target_proc, wchan); 4255 for (i = 0; i < 4; i++) { 4256 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4257 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1); 4258 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 4259 ccb->ccb_h.cbfcnp = isptarg_done; 4260 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO); 4261 ISP_LOCK(isp); 4262 xpt_action(ccb); 4263 ISP_UNLOCK(isp); 4264 } 4265 for (i = 0; i < NISP_TARG_CMDS; i++) { 4266 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4267 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1); 4268 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 4269 ccb->ccb_h.cbfcnp = isptarg_done; 4270 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO); 4271 ISP_LOCK(isp); 4272 xpt_action(ccb); 4273 ISP_UNLOCK(isp); 4274 } 4275 for (i = 0; i < 4; i++) { 4276 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4277 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1); 4278 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 4279 ccb->ccb_h.cbfcnp = isptarg_done; 4280 ISP_LOCK(isp); 4281 xpt_action(ccb); 4282 ISP_UNLOCK(isp); 4283 } 4284 for (i = 0; i < NISP_TARG_NOTIFIES; i++) { 4285 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO); 4286 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1); 4287 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 4288 ccb->ccb_h.cbfcnp = isptarg_done; 4289 ISP_LOCK(isp); 4290 xpt_action(ccb); 4291 ISP_UNLOCK(isp); 4292 } 4293 4294 /* 4295 * Now turn it all back on 4296 */ 4297 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10); 4298 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 4299 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE; 4300 ccb->knob.xport_specific.fc.role = KNOB_ROLE_TARGET; 4301 ISP_LOCK(isp); 4302 xpt_action(ccb); 4303 ISP_UNLOCK(isp); 4304 4305 /* 4306 * Okay, while things are still active, sleep... 4307 */ 4308 ISP_LOCK(isp); 4309 for (;;) { 4310 ISP_GET_PC(isp, chan, proc_active, i); 4311 if (i == 0) { 4312 break; 4313 } 4314 msleep(wchan, &isp->isp_lock, PUSER, "tsnooze", 0); 4315 } 4316 ISP_UNLOCK(isp); 4317 4318out: 4319 if (wperiph) { 4320 cam_periph_invalidate(wperiph); 4321 } 4322 if (periph) { 4323 cam_periph_invalidate(periph); 4324 } 4325 if (junk_data) { 4326 free(junk_data, M_ISPTARG); 4327 } 4328 if (disk_data) { 4329 free(disk_data, M_ISPTARG); 4330 } 4331 if (softc) { 4332 free(softc, M_ISPTARG); 4333 } 4334 xpt_free_path(path); 4335 xpt_free_path(wpath); 4336} 4337 4338static void 4339isp_target_thread_pi(void *arg) 4340{ 4341 struct isp_spi *pi = arg; 4342 ispsoftc_t *isp = cam_sim_softc(pi->sim); 4343 int chan = cam_sim_bus(pi->sim); 4344 4345 isp_target_thread(isp, chan); 4346 ISP_SPI_PC(isp, chan)->num_threads -= 1; 4347 kthread_exit(); 4348} 4349 4350static void 4351isp_target_thread_fc(void *arg) 4352{ 4353 struct isp_fc *fc = arg; 4354 ispsoftc_t *isp = cam_sim_softc(pi->sim); 4355 int chan = cam_sim_bus(pi->sim); 4356 4357 isp_target_thread(isp, chan); 4358 ISP_FC_PC(isp, chan)->num_threads -= 1; 4359 kthread_exit(); 4360} 4361 4362static int 4363isptarg_rwparm(uint8_t *cdb, uint8_t *dp, uint64_t dl, uint32_t offset, uint8_t **kp, uint32_t *tl, int *lp) 4364{ 4365 uint32_t cnt, curcnt; 4366 uint64_t lba; 4367 4368 switch (cdb[0]) { 4369 case WRITE_16: 4370 case READ_16: 4371 cnt = (((uint32_t)cdb[10]) << 24) | 4372 (((uint32_t)cdb[11]) << 16) | 4373 (((uint32_t)cdb[12]) << 8) | 4374 ((uint32_t)cdb[13]); 4375 4376 lba = (((uint64_t)cdb[2]) << 56) | 4377 (((uint64_t)cdb[3]) << 48) | 4378 (((uint64_t)cdb[4]) << 40) | 4379 (((uint64_t)cdb[5]) << 32) | 4380 (((uint64_t)cdb[6]) << 24) | 4381 (((uint64_t)cdb[7]) << 16) | 4382 (((uint64_t)cdb[8]) << 8) | 4383 ((uint64_t)cdb[9]); 4384 break; 4385 case WRITE_12: 4386 case READ_12: 4387 cnt = (((uint32_t)cdb[6]) << 16) | 4388 (((uint32_t)cdb[7]) << 8) | 4389 ((u_int32_t)cdb[8]); 4390 4391 lba = (((uint32_t)cdb[2]) << 24) | 4392 (((uint32_t)cdb[3]) << 16) | 4393 (((uint32_t)cdb[4]) << 8) | 4394 ((uint32_t)cdb[5]); 4395 break; 4396 case WRITE_10: 4397 case READ_10: 4398 cnt = (((uint32_t)cdb[7]) << 8) | 4399 ((u_int32_t)cdb[8]); 4400 4401 lba = (((uint32_t)cdb[2]) << 24) | 4402 (((uint32_t)cdb[3]) << 16) | 4403 (((uint32_t)cdb[4]) << 8) | 4404 ((uint32_t)cdb[5]); 4405 break; 4406 case WRITE_6: 4407 case READ_6: 4408 cnt = cdb[4]; 4409 if (cnt == 0) { 4410 cnt = 256; 4411 } 4412 lba = (((uint32_t)cdb[1] & 0x1f) << 16) | 4413 (((uint32_t)cdb[2]) << 8) | 4414 ((uint32_t)cdb[3]); 4415 break; 4416 default: 4417 return (-1); 4418 } 4419 4420 cnt <<= DISK_SHIFT; 4421 lba <<= DISK_SHIFT; 4422 4423 if (offset == cnt) { 4424 *lp = 1; 4425 return (0); 4426 } 4427 4428 if (lba + cnt > dl) { 4429 return (-2); 4430 } 4431 4432 curcnt = MAX_ISP_TARG_TRANSFER; 4433 if (offset + curcnt >= cnt) { 4434 curcnt = cnt - offset; 4435 *lp = 1; 4436 } else { 4437 *lp = 0; 4438 } 4439#ifdef ISP_MULTI_CCBS 4440 if (curcnt > MULTI_CCB_DATA_LIM) 4441 curcnt = MULTI_CCB_DATA_LIM; 4442#endif 4443 *tl = curcnt; 4444 *kp = &dp[lba + offset]; 4445 return (0); 4446} 4447 4448#endif 4449#endif 4450 4451static void 4452isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg) 4453{ 4454 struct cam_sim *sim; 4455 int bus, tgt; 4456 ispsoftc_t *isp; 4457 4458 sim = (struct cam_sim *)cbarg; 4459 isp = (ispsoftc_t *) cam_sim_softc(sim); 4460 bus = cam_sim_bus(sim); 4461 tgt = xpt_path_target_id(path); 4462 4463 switch (code) { 4464 case AC_LOST_DEVICE: 4465 if (IS_SCSI(isp)) { 4466 uint16_t oflags, nflags; 4467 sdparam *sdp = SDPARAM(isp, bus); 4468 4469 if (tgt >= 0) { 4470 nflags = sdp->isp_devparam[tgt].nvrm_flags; 4471#ifndef ISP_TARGET_MODE 4472 nflags &= DPARM_SAFE_DFLT; 4473 if (isp->isp_loaded_fw) { 4474 nflags |= DPARM_NARROW | DPARM_ASYNC; 4475 } 4476#else 4477 nflags = DPARM_DEFAULT; 4478#endif 4479 oflags = sdp->isp_devparam[tgt].goal_flags; 4480 sdp->isp_devparam[tgt].goal_flags = nflags; 4481 sdp->isp_devparam[tgt].dev_update = 1; 4482 sdp->update = 1; 4483 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 4484 sdp->isp_devparam[tgt].goal_flags = oflags; 4485 } 4486 } 4487 break; 4488 default: 4489 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code); 4490 break; 4491 } 4492} 4493 4494static void 4495isp_poll(struct cam_sim *sim) 4496{ 4497 ispsoftc_t *isp = cam_sim_softc(sim); 4498 uint32_t isr; 4499 uint16_t sema, mbox; 4500 4501 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 4502 isp_intr(isp, isr, sema, mbox); 4503 } 4504} 4505 4506 4507static void 4508isp_watchdog(void *arg) 4509{ 4510 struct ccb_scsiio *xs = arg; 4511 ispsoftc_t *isp; 4512 uint32_t ohandle = ISP_HANDLE_FREE, handle; 4513 4514 isp = XS_ISP(xs); 4515 4516 handle = isp_find_handle(isp, xs); 4517 4518 /* 4519 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere. 4520 */ 4521 if (handle != ISP_HANDLE_FREE) { 4522 uint32_t isr; 4523 uint16_t sema, mbox; 4524 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) != 0) { 4525 isp_intr(isp, isr, sema, mbox); 4526 } 4527 ohandle = handle; 4528 handle = isp_find_handle(isp, xs); 4529 } 4530 if (handle != ISP_HANDLE_FREE) { 4531 /* 4532 * Try and make sure the command is really dead before 4533 * we release the handle (and DMA resources) for reuse. 4534 * 4535 * If we are successful in aborting the command then 4536 * we're done here because we'll get the command returned 4537 * back separately. 4538 */ 4539 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) { 4540 return; 4541 } 4542 4543 /* 4544 * Note that after calling the above, the command may in 4545 * fact have been completed. 4546 */ 4547 xs = isp_find_xs(isp, handle); 4548 4549 /* 4550 * If the command no longer exists, then we won't 4551 * be able to find the xs again with this handle. 4552 */ 4553 if (xs == NULL) { 4554 return; 4555 } 4556 4557 /* 4558 * After this point, the command is really dead. 4559 */ 4560 if (XS_XFRLEN(xs)) { 4561 ISP_DMAFREE(isp, xs, handle); 4562 } 4563 isp_destroy_handle(isp, handle); 4564 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle); 4565 xs->ccb_h.status &= ~CAM_STATUS_MASK; 4566 xs->ccb_h.status |= CAM_CMD_TIMEOUT; 4567 isp_prt_endcmd(isp, xs); 4568 isp_done(xs); 4569 } else { 4570 if (ohandle != ISP_HANDLE_FREE) { 4571 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle); 4572 } else { 4573 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__); 4574 } 4575 } 4576} 4577 4578static void 4579isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 4580{ 4581 union ccb *ccb; 4582 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4583 4584 if (isp_autoconfig == 0) { 4585 return; 4586 } 4587 4588 /* 4589 * Allocate a CCB, create a wildcard path for this target and schedule a rescan. 4590 */ 4591 ccb = xpt_alloc_ccb_nowait(); 4592 if (ccb == NULL) { 4593 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan); 4594 return; 4595 } 4596 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim), 4597 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 4598 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan"); 4599 xpt_free_ccb(ccb); 4600 return; 4601 } 4602 xpt_rescan(ccb); 4603} 4604 4605static void 4606isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt) 4607{ 4608 struct cam_path *tp; 4609 struct isp_fc *fc = ISP_FC_PC(isp, chan); 4610 4611 if (isp_autoconfig == 0) { 4612 return; 4613 } 4614 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) { 4615 xpt_async(AC_LOST_DEVICE, tp, NULL); 4616 xpt_free_path(tp); 4617 } 4618} 4619 4620/* 4621 * Gone Device Timer Function- when we have decided that a device has gone 4622 * away, we wait a specific period of time prior to telling the OS it has 4623 * gone away. 4624 * 4625 * This timer function fires once a second and then scans the port database 4626 * for devices that are marked dead but still have a virtual target assigned. 4627 * We decrement a counter for that port database entry, and when it hits zero, 4628 * we tell the OS the device has gone away. 4629 */ 4630static void 4631isp_gdt(void *arg) 4632{ 4633 struct isp_fc *fc = arg; 4634 taskqueue_enqueue(taskqueue_thread, &fc->gtask); 4635} 4636 4637static void 4638isp_gdt_task(void *arg, int pending) 4639{ 4640 struct isp_fc *fc = arg; 4641 ispsoftc_t *isp = fc->isp; 4642 int chan = fc - isp->isp_osinfo.pc.fc; 4643 fcportdb_t *lp; 4644 struct ac_contract ac; 4645 struct ac_device_changed *adc; 4646 int dbidx, more_to_do = 0; 4647 4648 ISP_LOCK(isp); 4649 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan); 4650 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 4651 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 4652 4653 if (lp->state != FC_PORTDB_STATE_ZOMBIE) { 4654 continue; 4655 } 4656 if (lp->gone_timer != 0) { 4657 lp->gone_timer -= 1; 4658 more_to_do++; 4659 continue; 4660 } 4661 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout"); 4662 if (lp->is_target) { 4663 lp->is_target = 0; 4664 isp_make_gone(isp, lp, chan, dbidx); 4665 } 4666 if (lp->is_initiator) { 4667 lp->is_initiator = 0; 4668 ac.contract_number = AC_CONTRACT_DEV_CHG; 4669 adc = (struct ac_device_changed *) ac.contract_data; 4670 adc->wwpn = lp->port_wwn; 4671 adc->port = lp->portid; 4672 adc->target = dbidx; 4673 adc->arrived = 0; 4674 xpt_async(AC_CONTRACT, fc->path, &ac); 4675 } 4676 lp->state = FC_PORTDB_STATE_NIL; 4677 } 4678 if (fc->ready) { 4679 if (more_to_do) { 4680 callout_reset(&fc->gdt, hz, isp_gdt, fc); 4681 } else { 4682 callout_deactivate(&fc->gdt); 4683 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime); 4684 } 4685 } 4686 ISP_UNLOCK(isp); 4687} 4688 4689/* 4690 * Loop Down Timer Function- when loop goes down, a timer is started and 4691 * and after it expires we come here and take all probational devices that 4692 * the OS knows about and the tell the OS that they've gone away. 4693 * 4694 * We don't clear the devices out of our port database because, when loop 4695 * come back up, we have to do some actual cleanup with the chip at that 4696 * point (implicit PLOGO, e.g., to get the chip's port database state right). 4697 */ 4698static void 4699isp_ldt(void *arg) 4700{ 4701 struct isp_fc *fc = arg; 4702 taskqueue_enqueue(taskqueue_thread, &fc->ltask); 4703} 4704 4705static void 4706isp_ldt_task(void *arg, int pending) 4707{ 4708 struct isp_fc *fc = arg; 4709 ispsoftc_t *isp = fc->isp; 4710 int chan = fc - isp->isp_osinfo.pc.fc; 4711 fcportdb_t *lp; 4712 struct ac_contract ac; 4713 struct ac_device_changed *adc; 4714 int dbidx, i; 4715 4716 ISP_LOCK(isp); 4717 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_uptime); 4718 callout_deactivate(&fc->ldt); 4719 4720 /* 4721 * Notify to the OS all targets who we now consider have departed. 4722 */ 4723 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { 4724 lp = &FCPARAM(isp, chan)->portdb[dbidx]; 4725 4726 if (lp->state == FC_PORTDB_STATE_NIL) 4727 continue; 4728 4729 /* 4730 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! 4731 */ 4732 for (i = 0; i < isp->isp_maxcmds; i++) { 4733 struct ccb_scsiio *xs; 4734 4735 if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) { 4736 continue; 4737 } 4738 if ((xs = isp->isp_xflist[i].cmd) == NULL) { 4739 continue; 4740 } 4741 if (dbidx != XS_TGT(xs)) { 4742 continue; 4743 } 4744 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%d orphaned by loop down timeout", 4745 isp->isp_xflist[i].handle, chan, XS_TGT(xs), XS_LUN(xs)); 4746 } 4747 4748 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout"); 4749 if (lp->is_target) { 4750 lp->is_target = 0; 4751 isp_make_gone(isp, lp, chan, dbidx); 4752 } 4753 if (lp->is_initiator) { 4754 lp->is_initiator = 0; 4755 ac.contract_number = AC_CONTRACT_DEV_CHG; 4756 adc = (struct ac_device_changed *) ac.contract_data; 4757 adc->wwpn = lp->port_wwn; 4758 adc->port = lp->portid; 4759 adc->target = dbidx; 4760 adc->arrived = 0; 4761 xpt_async(AC_CONTRACT, fc->path, &ac); 4762 } 4763 } 4764 4765 isp_unfreeze_loopdown(isp, chan); 4766 /* 4767 * The loop down timer has expired. Wake up the kthread 4768 * to notice that fact (or make it false). 4769 */ 4770 fc->loop_dead = 1; 4771 fc->loop_down_time = fc->loop_down_limit+1; 4772 wakeup(fc); 4773 ISP_UNLOCK(isp); 4774} 4775 4776static void 4777isp_kthread(void *arg) 4778{ 4779 struct isp_fc *fc = arg; 4780 ispsoftc_t *isp = fc->isp; 4781 int chan = fc - isp->isp_osinfo.pc.fc; 4782 int slp = 0; 4783 4784 mtx_lock(&isp->isp_osinfo.lock); 4785 4786 while (isp->isp_osinfo.is_exiting == 0) { 4787 int lb, lim; 4788 4789 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan); 4790 lb = isp_fc_runstate(isp, chan, 250000); 4791 4792 /* 4793 * Our action is different based upon whether we're supporting 4794 * Initiator mode or not. If we are, we might freeze the simq 4795 * when loop is down and set all sorts of different delays to 4796 * check again. 4797 * 4798 * If not, we simply just wait for loop to come up. 4799 */ 4800 if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) { 4801 /* 4802 * Increment loop down time by the last sleep interval 4803 */ 4804 fc->loop_down_time += slp; 4805 4806 if (lb < 0) { 4807 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time); 4808 } else { 4809 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC got to %d (down count %d)", __func__, chan, lb, fc->loop_down_time); 4810 } 4811 4812 /* 4813 * If we've never seen loop up and we've waited longer 4814 * than quickboot time, or we've seen loop up but we've 4815 * waited longer than loop_down_limit, give up and go 4816 * to sleep until loop comes up. 4817 */ 4818 if (FCPARAM(isp, chan)->loop_seen_once == 0) { 4819 lim = isp_quickboot_time; 4820 } else { 4821 lim = fc->loop_down_limit; 4822 } 4823 if (fc->loop_down_time >= lim) { 4824 isp_freeze_loopdown(isp, chan, "loop limit hit"); 4825 slp = 0; 4826 } else if (fc->loop_down_time < 10) { 4827 slp = 1; 4828 } else if (fc->loop_down_time < 30) { 4829 slp = 5; 4830 } else if (fc->loop_down_time < 60) { 4831 slp = 10; 4832 } else if (fc->loop_down_time < 120) { 4833 slp = 20; 4834 } else { 4835 slp = 30; 4836 } 4837 4838 } else if (lb) { 4839 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan); 4840 fc->loop_down_time += slp; 4841 if (fc->loop_down_time > 300) 4842 slp = 0; 4843 else 4844 slp = 60; 4845 } else { 4846 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan); 4847 fc->loop_down_time = 0; 4848 slp = 0; 4849 } 4850 4851 4852 /* 4853 * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it 4854 * now so that CAM can start sending us commands. 4855 * 4856 * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again 4857 * or kill the commands, as appropriate. 4858 */ 4859 4860 if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) { 4861 isp_unfreeze_loopdown(isp, chan); 4862 } 4863 4864 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp); 4865 4866 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz); 4867 4868 /* 4869 * If slp is zero, we're waking up for the first time after 4870 * things have been okay. In this case, we set a deferral state 4871 * for all commands and delay hysteresis seconds before starting 4872 * the FC state evaluation. This gives the loop/fabric a chance 4873 * to settle. 4874 */ 4875 if (slp == 0 && fc->hysteresis) { 4876 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz); 4877 mtx_unlock(&isp->isp_osinfo.lock); 4878 pause("ispt", fc->hysteresis * hz); 4879 mtx_lock(&isp->isp_osinfo.lock); 4880 } 4881 } 4882 fc->num_threads -= 1; 4883 mtx_unlock(&isp->isp_osinfo.lock); 4884 kthread_exit(); 4885} 4886 4887static void 4888isp_action(struct cam_sim *sim, union ccb *ccb) 4889{ 4890 int bus, tgt, ts, error, lim; 4891 ispsoftc_t *isp; 4892 struct ccb_trans_settings *cts; 4893 4894 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n")); 4895 4896 isp = (ispsoftc_t *)cam_sim_softc(sim); 4897 mtx_assert(&isp->isp_lock, MA_OWNED); 4898 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code); 4899 ISP_PCMD(ccb) = NULL; 4900 4901 if (isp->isp_state != ISP_RUNSTATE && ccb->ccb_h.func_code == XPT_SCSI_IO) { 4902 isp_init(isp); 4903 if (isp->isp_state != ISP_INITSTATE) { 4904 /* 4905 * Lie. Say it was a selection timeout. 4906 */ 4907 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 4908 isp_done((struct ccb_scsiio *) ccb); 4909 return; 4910 } 4911 isp->isp_state = ISP_RUNSTATE; 4912 } 4913 4914 switch (ccb->ccb_h.func_code) { 4915 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 4916 bus = XS_CHANNEL(ccb); 4917 /* 4918 * Do a couple of preliminary checks... 4919 */ 4920 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 4921 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 4922 ccb->ccb_h.status = CAM_REQ_INVALID; 4923 isp_done((struct ccb_scsiio *) ccb); 4924 break; 4925 } 4926 } 4927 ccb->csio.req_map = NULL; 4928#ifdef DIAGNOSTIC 4929 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) { 4930 xpt_print(ccb->ccb_h.path, "invalid target\n"); 4931 ccb->ccb_h.status = CAM_PATH_INVALID; 4932 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) { 4933 xpt_print(ccb->ccb_h.path, "invalid lun\n"); 4934 ccb->ccb_h.status = CAM_PATH_INVALID; 4935 } 4936 if (ccb->ccb_h.status == CAM_PATH_INVALID) { 4937 xpt_done(ccb); 4938 break; 4939 } 4940#endif 4941 ccb->csio.scsi_status = SCSI_STATUS_OK; 4942 if (isp_get_pcmd(isp, ccb)) { 4943 isp_prt(isp, ISP_LOGWARN, "out of PCMDs"); 4944 cam_freeze_devq(ccb->ccb_h.path); 4945 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0); 4946 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4947 xpt_done(ccb); 4948 break; 4949 } 4950 error = isp_start((XS_T *) ccb); 4951 switch (error) { 4952 case CMD_QUEUED: 4953 ccb->ccb_h.status |= CAM_SIM_QUEUED; 4954 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) { 4955 break; 4956 } 4957 ts = ccb->ccb_h.timeout; 4958 if (ts == CAM_TIME_DEFAULT) { 4959 ts = 60*1000; 4960 } 4961 ts = isp_mstohz(ts); 4962 callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb); 4963 break; 4964 case CMD_RQLATER: 4965 /* 4966 * We get this result for FC devices if the loop state isn't ready yet 4967 * or if the device in question has gone zombie on us. 4968 * 4969 * If we've never seen Loop UP at all, we requeue this request and wait 4970 * for the initial loop up delay to expire. 4971 */ 4972 lim = ISP_FC_PC(isp, bus)->loop_down_limit; 4973 if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) { 4974 if (FCPARAM(isp, bus)->loop_seen_once == 0) { 4975 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d loop not seen yet @ %lu", XS_TGT(ccb), XS_LUN(ccb), (unsigned long) time_uptime); 4976 } else { 4977 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d downtime (%d) > lim (%d)", XS_TGT(ccb), XS_LUN(ccb), ISP_FC_PC(isp, bus)->loop_down_time, lim); 4978 } 4979 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 4980 isp_done((struct ccb_scsiio *) ccb); 4981 break; 4982 } 4983 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb)); 4984 cam_freeze_devq(ccb->ccb_h.path); 4985 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 4986 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4987 isp_free_pcmd(isp, ccb); 4988 xpt_done(ccb); 4989 break; 4990 case CMD_EAGAIN: 4991 isp_free_pcmd(isp, ccb); 4992 cam_freeze_devq(ccb->ccb_h.path); 4993 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0); 4994 ccb->ccb_h.status = CAM_REQUEUE_REQ; 4995 xpt_done(ccb); 4996 break; 4997 case CMD_COMPLETE: 4998 isp_done((struct ccb_scsiio *) ccb); 4999 break; 5000 default: 5001 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__); 5002 ccb->ccb_h.status = CAM_REQUEUE_REQ; 5003 isp_free_pcmd(isp, ccb); 5004 xpt_done(ccb); 5005 } 5006 break; 5007 5008#ifdef ISP_TARGET_MODE 5009 case XPT_EN_LUN: /* Enable/Disable LUN as a target */ 5010 if (ccb->cel.enable) { 5011 isp_enable_lun(isp, ccb); 5012 } else { 5013 isp_disable_lun(isp, ccb); 5014 } 5015 break; 5016 case XPT_IMMED_NOTIFY: 5017 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 5018 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 5019 { 5020 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun); 5021 if (tptr == NULL) { 5022 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD); 5023 } 5024 if (tptr == NULL) { 5025 const char *str; 5026 uint32_t tag; 5027 5028 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 5029 str = "XPT_IMMEDIATE_NOTIFY"; 5030 tag = ccb->cin1.seq_id; 5031 } else { 5032 tag = ccb->atio.tag_id; 5033 str = "XPT_ACCEPT_TARGET_IO"; 5034 } 5035 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str); 5036 dump_tstates(isp, XS_CHANNEL(ccb)); 5037 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 5038 break; 5039 } 5040 ccb->ccb_h.spriv_field0 = 0; 5041 ccb->ccb_h.spriv_ptr1 = isp; 5042 5043 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 5044 if (ccb->atio.tag_id) { 5045 atio_private_data_t *atp = isp_find_atpd(isp, tptr, ccb->atio.tag_id); 5046 if (atp) { 5047 isp_put_atpd(isp, tptr, atp); 5048 } 5049 } 5050 tptr->atio_count++; 5051 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle); 5052 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n", 5053 ccb->atio.tag_id, tptr->atio_count); 5054 ccb->atio.tag_id = 0; 5055 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) { 5056 if (ccb->cin1.tag_id) { 5057 inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id); 5058 if (ntp) { 5059 isp_put_ntpd(isp, tptr, ntp); 5060 } 5061 } 5062 tptr->inot_count++; 5063 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 5064 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n", 5065 ccb->cin1.seq_id, tptr->inot_count); 5066 ccb->cin1.seq_id = 0; 5067 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 5068 tptr->inot_count++; 5069 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle); 5070 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n", 5071 ccb->cin1.seq_id, tptr->inot_count); 5072 ccb->cin1.seq_id = 0; 5073 } 5074 rls_lun_statep(isp, tptr); 5075 ccb->ccb_h.status = CAM_REQ_INPROG; 5076 break; 5077 } 5078 case XPT_NOTIFY_ACK: 5079 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5080 break; 5081 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */ 5082 { 5083 tstate_t *tptr; 5084 inot_private_data_t *ntp; 5085 5086 /* 5087 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb 5088 * XXX: matches that for the immediate notify, we have to *search* for the notify structure 5089 */ 5090 /* 5091 * All the relevant path information is in the associated immediate notify 5092 */ 5093 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); 5094 ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr); 5095 if (ntp == NULL) { 5096 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__, 5097 ccb->cna2.tag_id, ccb->cna2.seq_id); 5098 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 5099 xpt_done(ccb); 5100 break; 5101 } 5102 if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) { 5103 rls_lun_statep(isp, tptr); 5104 cam_freeze_devq(ccb->ccb_h.path); 5105 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0); 5106 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 5107 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 5108 break; 5109 } 5110 isp_put_ntpd(isp, tptr, ntp); 5111 rls_lun_statep(isp, tptr); 5112 ccb->ccb_h.status = CAM_REQ_CMP; 5113 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); 5114 xpt_done(ccb); 5115 break; 5116 } 5117 case XPT_CONT_TARGET_IO: 5118 isp_target_start_ctio(isp, ccb, FROM_CAM); 5119 break; 5120#endif 5121 case XPT_RESET_DEV: /* BDR the specified SCSI device */ 5122 { 5123 struct isp_fc *fc; 5124 5125 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path)); 5126 tgt = ccb->ccb_h.target_id; 5127 tgt |= (bus << 16); 5128 if (IS_FC(isp)) 5129 fc = ISP_FC_PC(isp, bus); 5130 else 5131 fc = NULL; 5132 5133 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt); 5134 if (error) { 5135 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5136 } else { 5137 /* 5138 * If we have a FC device, reset the Command 5139 * Reference Number, because the target will expect 5140 * that we re-start the CRN at 1 after a reset. 5141 */ 5142 if (fc != NULL) 5143 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5144 5145 ccb->ccb_h.status = CAM_REQ_CMP; 5146 } 5147 xpt_done(ccb); 5148 break; 5149 } 5150 case XPT_ABORT: /* Abort the specified CCB */ 5151 { 5152 union ccb *accb = ccb->cab.abort_ccb; 5153 switch (accb->ccb_h.func_code) { 5154#ifdef ISP_TARGET_MODE 5155 case XPT_ACCEPT_TARGET_IO: 5156 isp_target_mark_aborted(isp, ccb); 5157 break; 5158#endif 5159 case XPT_SCSI_IO: 5160 error = isp_control(isp, ISPCTL_ABORT_CMD, accb); 5161 if (error) { 5162 ccb->ccb_h.status = CAM_UA_ABORT; 5163 } else { 5164 ccb->ccb_h.status = CAM_REQ_CMP; 5165 } 5166 break; 5167 default: 5168 ccb->ccb_h.status = CAM_REQ_INVALID; 5169 break; 5170 } 5171 /* 5172 * This is not a queued CCB, so the caller expects it to be 5173 * complete when control is returned. 5174 */ 5175 break; 5176 } 5177#define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS) 5178 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 5179 cts = &ccb->cts; 5180 if (!IS_CURRENT_SETTINGS(cts)) { 5181 ccb->ccb_h.status = CAM_REQ_INVALID; 5182 xpt_done(ccb); 5183 break; 5184 } 5185 tgt = cts->ccb_h.target_id; 5186 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 5187 if (IS_SCSI(isp)) { 5188 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5189 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 5190 sdparam *sdp = SDPARAM(isp, bus); 5191 uint16_t *dptr; 5192 5193 if (spi->valid == 0 && scsi->valid == 0) { 5194 ccb->ccb_h.status = CAM_REQ_CMP; 5195 xpt_done(ccb); 5196 break; 5197 } 5198 5199 /* 5200 * We always update (internally) from goal_flags 5201 * so any request to change settings just gets 5202 * vectored to that location. 5203 */ 5204 dptr = &sdp->isp_devparam[tgt].goal_flags; 5205 5206 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 5207 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 5208 *dptr |= DPARM_DISC; 5209 else 5210 *dptr &= ~DPARM_DISC; 5211 } 5212 5213 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 5214 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 5215 *dptr |= DPARM_TQING; 5216 else 5217 *dptr &= ~DPARM_TQING; 5218 } 5219 5220 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 5221 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) 5222 *dptr |= DPARM_WIDE; 5223 else 5224 *dptr &= ~DPARM_WIDE; 5225 } 5226 5227 /* 5228 * XXX: FIX ME 5229 */ 5230 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) { 5231 *dptr |= DPARM_SYNC; 5232 /* 5233 * XXX: CHECK FOR LEGALITY 5234 */ 5235 sdp->isp_devparam[tgt].goal_period = spi->sync_period; 5236 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset; 5237 } else { 5238 *dptr &= ~DPARM_SYNC; 5239 } 5240 isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%d) to flags %x off %x per %x", bus, tgt, cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags, 5241 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period); 5242 sdp->isp_devparam[tgt].dev_update = 1; 5243 sdp->update = 1; 5244 } 5245 ccb->ccb_h.status = CAM_REQ_CMP; 5246 xpt_done(ccb); 5247 break; 5248 case XPT_GET_TRAN_SETTINGS: 5249 cts = &ccb->cts; 5250 tgt = cts->ccb_h.target_id; 5251 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path)); 5252 if (IS_FC(isp)) { 5253 fcparam *fcp = FCPARAM(isp, bus); 5254 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5255 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc; 5256 5257 cts->protocol = PROTO_SCSI; 5258 cts->protocol_version = SCSI_REV_2; 5259 cts->transport = XPORT_FC; 5260 cts->transport_version = 0; 5261 5262 scsi->valid = CTS_SCSI_VALID_TQ; 5263 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 5264 fc->valid = CTS_FC_VALID_SPEED; 5265 fc->bitrate = 100000; 5266 fc->bitrate *= fcp->isp_gbspeed; 5267 if (tgt < MAX_FC_TARG) { 5268 fcportdb_t *lp = &fcp->portdb[tgt]; 5269 fc->wwnn = lp->node_wwn; 5270 fc->wwpn = lp->port_wwn; 5271 fc->port = lp->portid; 5272 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT; 5273 } 5274 } else { 5275 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 5276 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 5277 sdparam *sdp = SDPARAM(isp, bus); 5278 uint16_t dval, pval, oval; 5279 5280 if (IS_CURRENT_SETTINGS(cts)) { 5281 sdp->isp_devparam[tgt].dev_refresh = 1; 5282 sdp->update = 1; 5283 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus); 5284 dval = sdp->isp_devparam[tgt].actv_flags; 5285 oval = sdp->isp_devparam[tgt].actv_offset; 5286 pval = sdp->isp_devparam[tgt].actv_period; 5287 } else { 5288 dval = sdp->isp_devparam[tgt].nvrm_flags; 5289 oval = sdp->isp_devparam[tgt].nvrm_offset; 5290 pval = sdp->isp_devparam[tgt].nvrm_period; 5291 } 5292 5293 cts->protocol = PROTO_SCSI; 5294 cts->protocol_version = SCSI_REV_2; 5295 cts->transport = XPORT_SPI; 5296 cts->transport_version = 2; 5297 5298 spi->valid = 0; 5299 scsi->valid = 0; 5300 spi->flags = 0; 5301 scsi->flags = 0; 5302 if (dval & DPARM_DISC) { 5303 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 5304 } 5305 if ((dval & DPARM_SYNC) && oval && pval) { 5306 spi->sync_offset = oval; 5307 spi->sync_period = pval; 5308 } else { 5309 spi->sync_offset = 0; 5310 spi->sync_period = 0; 5311 } 5312 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 5313 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 5314 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 5315 if (dval & DPARM_WIDE) { 5316 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 5317 } else { 5318 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 5319 } 5320 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 5321 scsi->valid = CTS_SCSI_VALID_TQ; 5322 if (dval & DPARM_TQING) { 5323 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 5324 } 5325 spi->valid |= CTS_SPI_VALID_DISC; 5326 } 5327 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%d) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM", 5328 bus, tgt, cts->ccb_h.target_lun, dval, oval, pval); 5329 } 5330 ccb->ccb_h.status = CAM_REQ_CMP; 5331 xpt_done(ccb); 5332 break; 5333 5334 case XPT_CALC_GEOMETRY: 5335 cam_calc_geometry(&ccb->ccg, 1); 5336 xpt_done(ccb); 5337 break; 5338 5339 case XPT_RESET_BUS: /* Reset the specified bus */ 5340 bus = cam_sim_bus(sim); 5341 error = isp_control(isp, ISPCTL_RESET_BUS, bus); 5342 if (error) { 5343 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5344 xpt_done(ccb); 5345 break; 5346 } 5347 if (bootverbose) { 5348 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus); 5349 } 5350 if (IS_FC(isp)) { 5351 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0); 5352 } else { 5353 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0); 5354 } 5355 ccb->ccb_h.status = CAM_REQ_CMP; 5356 xpt_done(ccb); 5357 break; 5358 5359 case XPT_TERM_IO: /* Terminate the I/O process */ 5360 ccb->ccb_h.status = CAM_REQ_INVALID; 5361 xpt_done(ccb); 5362 break; 5363 5364 case XPT_SET_SIM_KNOB: /* Set SIM knobs */ 5365 { 5366 struct ccb_sim_knob *kp = &ccb->knob; 5367 fcparam *fcp; 5368 5369 if (!IS_FC(isp)) { 5370 ccb->ccb_h.status = CAM_REQ_INVALID; 5371 xpt_done(ccb); 5372 break; 5373 } 5374 5375 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 5376 fcp = FCPARAM(isp, bus); 5377 5378 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) { 5379 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn; 5380 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn; 5381 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn); 5382 } 5383 ccb->ccb_h.status = CAM_REQ_CMP; 5384 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) { 5385 int rchange = 0; 5386 int newrole = 0; 5387 5388 switch (kp->xport_specific.fc.role) { 5389 case KNOB_ROLE_NONE: 5390 if (fcp->role != ISP_ROLE_NONE) { 5391 rchange = 1; 5392 newrole = ISP_ROLE_NONE; 5393 } 5394 break; 5395 case KNOB_ROLE_TARGET: 5396 if (fcp->role != ISP_ROLE_TARGET) { 5397 rchange = 1; 5398 newrole = ISP_ROLE_TARGET; 5399 } 5400 break; 5401 case KNOB_ROLE_INITIATOR: 5402 if (fcp->role != ISP_ROLE_INITIATOR) { 5403 rchange = 1; 5404 newrole = ISP_ROLE_INITIATOR; 5405 } 5406 break; 5407 case KNOB_ROLE_BOTH: 5408 if (fcp->role != ISP_ROLE_BOTH) { 5409 rchange = 1; 5410 newrole = ISP_ROLE_BOTH; 5411 } 5412 break; 5413 } 5414 if (rchange) { 5415 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole); 5416#ifdef ISP_TARGET_MODE 5417 ISP_SET_PC(isp, bus, tm_enabled, 0); 5418 ISP_SET_PC(isp, bus, tm_luns_enabled, 0); 5419#endif 5420 if (isp_control(isp, ISPCTL_CHANGE_ROLE, 5421 bus, newrole) != 0) { 5422 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 5423 xpt_done(ccb); 5424 break; 5425 } 5426#ifdef ISP_TARGET_MODE 5427 if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) { 5428 /* 5429 * Give the new role a chance to complain and settle 5430 */ 5431 msleep(isp, &isp->isp_lock, PRIBIO, "taking a breather", 2); 5432 ccb->ccb_h.status = isp_enable_deferred_luns(isp, bus); 5433 } 5434#endif 5435 } 5436 } 5437 xpt_done(ccb); 5438 break; 5439 } 5440 case XPT_GET_SIM_KNOB: /* Get SIM knobs */ 5441 { 5442 struct ccb_sim_knob *kp = &ccb->knob; 5443 5444 if (IS_FC(isp)) { 5445 fcparam *fcp; 5446 5447 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path)); 5448 fcp = FCPARAM(isp, bus); 5449 5450 kp->xport_specific.fc.wwnn = fcp->isp_wwnn; 5451 kp->xport_specific.fc.wwpn = fcp->isp_wwpn; 5452 switch (fcp->role) { 5453 case ISP_ROLE_NONE: 5454 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 5455 break; 5456 case ISP_ROLE_TARGET: 5457 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 5458 break; 5459 case ISP_ROLE_INITIATOR: 5460 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 5461 break; 5462 case ISP_ROLE_BOTH: 5463 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 5464 break; 5465 } 5466 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 5467 ccb->ccb_h.status = CAM_REQ_CMP; 5468 } else { 5469 ccb->ccb_h.status = CAM_REQ_INVALID; 5470 } 5471 xpt_done(ccb); 5472 break; 5473 } 5474 case XPT_PATH_INQ: /* Path routing inquiry */ 5475 { 5476 struct ccb_pathinq *cpi = &ccb->cpi; 5477 5478 cpi->version_num = 1; 5479#ifdef ISP_TARGET_MODE 5480 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 5481#else 5482 cpi->target_sprt = 0; 5483#endif 5484 cpi->hba_eng_cnt = 0; 5485 cpi->max_target = ISP_MAX_TARGETS(isp) - 1; 5486 cpi->max_lun = ISP_MAX_LUNS(isp) - 1; 5487 cpi->bus_id = cam_sim_bus(sim); 5488 if (isp->isp_osinfo.sixtyfourbit) 5489 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE; 5490 else 5491 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE; 5492 5493 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path)); 5494 if (IS_FC(isp)) { 5495 fcparam *fcp = FCPARAM(isp, bus); 5496 5497 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 5498 5499 /* 5500 * Because our loop ID can shift from time to time, 5501 * make our initiator ID out of range of our bus. 5502 */ 5503 cpi->initiator_id = cpi->max_target + 1; 5504 5505 /* 5506 * Set base transfer capabilities for Fibre Channel, for this HBA. 5507 */ 5508 if (IS_25XX(isp)) { 5509 cpi->base_transfer_speed = 8000000; 5510 } else if (IS_24XX(isp)) { 5511 cpi->base_transfer_speed = 4000000; 5512 } else if (IS_23XX(isp)) { 5513 cpi->base_transfer_speed = 2000000; 5514 } else { 5515 cpi->base_transfer_speed = 1000000; 5516 } 5517 cpi->hba_inquiry = PI_TAG_ABLE; 5518 cpi->transport = XPORT_FC; 5519 cpi->transport_version = 0; 5520 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn; 5521 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn; 5522 cpi->xport_specific.fc.port = fcp->isp_portid; 5523 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000; 5524 } else { 5525 sdparam *sdp = SDPARAM(isp, bus); 5526 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 5527 cpi->hba_misc = PIM_UNMAPPED; 5528 cpi->initiator_id = sdp->isp_initiator_id; 5529 cpi->base_transfer_speed = 3300; 5530 cpi->transport = XPORT_SPI; 5531 cpi->transport_version = 2; 5532 } 5533 cpi->protocol = PROTO_SCSI; 5534 cpi->protocol_version = SCSI_REV_2; 5535 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 5536 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN); 5537 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 5538 cpi->unit_number = cam_sim_unit(sim); 5539 cpi->ccb_h.status = CAM_REQ_CMP; 5540 xpt_done(ccb); 5541 break; 5542 } 5543 default: 5544 ccb->ccb_h.status = CAM_REQ_INVALID; 5545 xpt_done(ccb); 5546 break; 5547 } 5548} 5549 5550#define ISPDDB (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB) 5551 5552void 5553isp_done(XS_T *sccb) 5554{ 5555 ispsoftc_t *isp = XS_ISP(sccb); 5556 uint32_t status; 5557 5558 if (XS_NOERR(sccb)) 5559 XS_SETERR(sccb, CAM_REQ_CMP); 5560 5561 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) { 5562 sccb->ccb_h.status &= ~CAM_STATUS_MASK; 5563 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) { 5564 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL; 5565 } else { 5566 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 5567 } 5568 } 5569 5570 sccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5571 status = sccb->ccb_h.status & CAM_STATUS_MASK; 5572 if (status != CAM_REQ_CMP) { 5573 if (status != CAM_SEL_TIMEOUT) 5574 isp_prt(isp, ISP_LOGDEBUG0, "target %d lun %d CAM status 0x%x SCSI status 0x%x", XS_TGT(sccb), XS_LUN(sccb), sccb->ccb_h.status, sccb->scsi_status); 5575 else if ((IS_FC(isp)) 5576 && (XS_TGT(sccb) < MAX_FC_TARG)) { 5577 fcparam *fcp; 5578 5579 fcp = FCPARAM(isp, XS_CHANNEL(sccb)); 5580 fcp->portdb[XS_TGT(sccb)].is_target = 0; 5581 } 5582 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) { 5583 sccb->ccb_h.status |= CAM_DEV_QFRZN; 5584 xpt_freeze_devq(sccb->ccb_h.path, 1); 5585 } 5586 } 5587 5588 if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 5589 xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status); 5590 } 5591 5592 if (ISP_PCMD(sccb)) { 5593 if (callout_active(&PISP_PCMD(sccb)->wdog)) 5594 callout_stop(&PISP_PCMD(sccb)->wdog); 5595 isp_free_pcmd(isp, (union ccb *) sccb); 5596 } 5597 xpt_done((union ccb *) sccb); 5598} 5599 5600void 5601isp_async(ispsoftc_t *isp, ispasync_t cmd, ...) 5602{ 5603 int bus; 5604 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s"; 5605 char buf[64]; 5606 char *msg = NULL; 5607 target_id_t tgt; 5608 fcportdb_t *lp; 5609 struct isp_fc *fc; 5610 struct cam_path *tmppath; 5611 struct ac_contract ac; 5612 struct ac_device_changed *adc; 5613 va_list ap; 5614 5615 switch (cmd) { 5616 case ISPASYNC_NEW_TGT_PARAMS: 5617 { 5618 struct ccb_trans_settings_scsi *scsi; 5619 struct ccb_trans_settings_spi *spi; 5620 int flags, tgt; 5621 sdparam *sdp; 5622 struct ccb_trans_settings cts; 5623 5624 memset(&cts, 0, sizeof (struct ccb_trans_settings)); 5625 5626 va_start(ap, cmd); 5627 bus = va_arg(ap, int); 5628 tgt = va_arg(ap, int); 5629 va_end(ap); 5630 sdp = SDPARAM(isp, bus); 5631 5632 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 5633 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus); 5634 break; 5635 } 5636 flags = sdp->isp_devparam[tgt].actv_flags; 5637 cts.type = CTS_TYPE_CURRENT_SETTINGS; 5638 cts.protocol = PROTO_SCSI; 5639 cts.transport = XPORT_SPI; 5640 5641 scsi = &cts.proto_specific.scsi; 5642 spi = &cts.xport_specific.spi; 5643 5644 if (flags & DPARM_TQING) { 5645 scsi->valid |= CTS_SCSI_VALID_TQ; 5646 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 5647 } 5648 5649 if (flags & DPARM_DISC) { 5650 spi->valid |= CTS_SPI_VALID_DISC; 5651 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 5652 } 5653 spi->flags |= CTS_SPI_VALID_BUS_WIDTH; 5654 if (flags & DPARM_WIDE) { 5655 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 5656 } else { 5657 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 5658 } 5659 if (flags & DPARM_SYNC) { 5660 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 5661 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 5662 spi->sync_period = sdp->isp_devparam[tgt].actv_period; 5663 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset; 5664 } 5665 isp_prt(isp, ISP_LOGDEBUG2, "NEW_TGT_PARAMS bus %d tgt %d period %x offset %x flags %x", bus, tgt, sdp->isp_devparam[tgt].actv_period, sdp->isp_devparam[tgt].actv_offset, flags); 5666 xpt_setup_ccb(&cts.ccb_h, tmppath, 1); 5667 xpt_async(AC_TRANSFER_NEG, tmppath, &cts); 5668 xpt_free_path(tmppath); 5669 break; 5670 } 5671 case ISPASYNC_BUS_RESET: 5672 { 5673 va_start(ap, cmd); 5674 bus = va_arg(ap, int); 5675 va_end(ap); 5676 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus); 5677 if (IS_FC(isp)) { 5678 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL); 5679 } else { 5680 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL); 5681 } 5682 break; 5683 } 5684 case ISPASYNC_LIP: 5685 if (msg == NULL) { 5686 msg = "LIP Received"; 5687 } 5688 /* FALLTHROUGH */ 5689 case ISPASYNC_LOOP_RESET: 5690 if (msg == NULL) { 5691 msg = "LOOP Reset"; 5692 } 5693 /* FALLTHROUGH */ 5694 case ISPASYNC_LOOP_DOWN: 5695 { 5696 if (msg == NULL) { 5697 msg = "LOOP Down"; 5698 } 5699 va_start(ap, cmd); 5700 bus = va_arg(ap, int); 5701 va_end(ap); 5702 5703 FCPARAM(isp, bus)->link_active = 0; 5704 5705 fc = ISP_FC_PC(isp, bus); 5706 if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) { 5707 /* 5708 * We don't do any simq freezing if we are only in target mode 5709 */ 5710 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) { 5711 if (fc->path) { 5712 isp_freeze_loopdown(isp, bus, msg); 5713 } 5714 } 5715 if (!callout_active(&fc->ldt)) { 5716 callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc); 5717 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_uptime); 5718 } 5719 } 5720 isp_fcp_reset_crn(fc, /*tgt*/0, /*tgt_set*/ 0); 5721 5722 isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg); 5723 break; 5724 } 5725 case ISPASYNC_LOOP_UP: 5726 va_start(ap, cmd); 5727 bus = va_arg(ap, int); 5728 va_end(ap); 5729 fc = ISP_FC_PC(isp, bus); 5730 /* 5731 * Now we just note that Loop has come up. We don't 5732 * actually do anything because we're waiting for a 5733 * Change Notify before activating the FC cleanup 5734 * thread to look at the state of the loop again. 5735 */ 5736 FCPARAM(isp, bus)->link_active = 1; 5737 fc->loop_dead = 0; 5738 fc->loop_down_time = 0; 5739 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus); 5740 break; 5741 case ISPASYNC_DEV_ARRIVED: 5742 va_start(ap, cmd); 5743 bus = va_arg(ap, int); 5744 lp = va_arg(ap, fcportdb_t *); 5745 va_end(ap); 5746 fc = ISP_FC_PC(isp, bus); 5747 tgt = FC_PORTDB_TGT(isp, bus, lp); 5748 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5749 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived"); 5750 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 5751 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) { 5752 lp->is_target = 1; 5753 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5754 isp_make_here(isp, lp, bus, tgt); 5755 } 5756 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 5757 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) { 5758 lp->is_initiator = 1; 5759 ac.contract_number = AC_CONTRACT_DEV_CHG; 5760 adc = (struct ac_device_changed *) ac.contract_data; 5761 adc->wwpn = lp->port_wwn; 5762 adc->port = lp->portid; 5763 adc->target = tgt; 5764 adc->arrived = 1; 5765 xpt_async(AC_CONTRACT, fc->path, &ac); 5766 } 5767 break; 5768 case ISPASYNC_DEV_CHANGED: 5769 va_start(ap, cmd); 5770 bus = va_arg(ap, int); 5771 lp = va_arg(ap, fcportdb_t *); 5772 va_end(ap); 5773 fc = ISP_FC_PC(isp, bus); 5774 tgt = FC_PORTDB_TGT(isp, bus, lp); 5775 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3); 5776 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed"); 5777changed: 5778 if (lp->is_target != 5779 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && 5780 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) { 5781 lp->is_target = !lp->is_target; 5782 if (lp->is_target) { 5783 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5784 isp_make_here(isp, lp, bus, tgt); 5785 } else { 5786 isp_make_gone(isp, lp, bus, tgt); 5787 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1); 5788 } 5789 } 5790 if (lp->is_initiator != 5791 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) && 5792 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) { 5793 lp->is_initiator = !lp->is_initiator; 5794 ac.contract_number = AC_CONTRACT_DEV_CHG; 5795 adc = (struct ac_device_changed *) ac.contract_data; 5796 adc->wwpn = lp->port_wwn; 5797 adc->port = lp->portid; 5798 adc->target = tgt; 5799 adc->arrived = lp->is_initiator; 5800 xpt_async(AC_CONTRACT, fc->path, &ac); 5801 } 5802 break; 5803 case ISPASYNC_DEV_STAYED: 5804 va_start(ap, cmd); 5805 bus = va_arg(ap, int); 5806 lp = va_arg(ap, fcportdb_t *); 5807 va_end(ap); 5808 fc = ISP_FC_PC(isp, bus); 5809 tgt = FC_PORTDB_TGT(isp, bus, lp); 5810 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5811 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed"); 5812 goto changed; 5813 case ISPASYNC_DEV_GONE: 5814 va_start(ap, cmd); 5815 bus = va_arg(ap, int); 5816 lp = va_arg(ap, fcportdb_t *); 5817 va_end(ap); 5818 fc = ISP_FC_PC(isp, bus); 5819 tgt = FC_PORTDB_TGT(isp, bus, lp); 5820 /* 5821 * If this has a virtual target or initiator set the isp_gdt 5822 * timer running on it to delay its departure. 5823 */ 5824 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3); 5825 if (lp->is_target || lp->is_initiator) { 5826 lp->state = FC_PORTDB_STATE_ZOMBIE; 5827 lp->gone_timer = fc->gone_device_time; 5828 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie"); 5829 if (fc->ready && !callout_active(&fc->gdt)) { 5830 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); 5831 callout_reset(&fc->gdt, hz, isp_gdt, fc); 5832 } 5833 break; 5834 } 5835 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone"); 5836 break; 5837 case ISPASYNC_CHANGE_NOTIFY: 5838 { 5839 char *msg; 5840 int evt, nphdl, nlstate, reason; 5841 5842 va_start(ap, cmd); 5843 bus = va_arg(ap, int); 5844 evt = va_arg(ap, int); 5845 if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) { 5846 nphdl = va_arg(ap, int); 5847 nlstate = va_arg(ap, int); 5848 reason = va_arg(ap, int); 5849 } else { 5850 nphdl = NIL_HANDLE; 5851 nlstate = reason = 0; 5852 } 5853 va_end(ap); 5854 fc = ISP_FC_PC(isp, bus); 5855 5856 if (evt == ISPASYNC_CHANGE_PDB) { 5857 msg = "Chan %d Port Database Changed"; 5858 } else if (evt == ISPASYNC_CHANGE_SNS) { 5859 msg = "Chan %d Name Server Database Changed"; 5860 } else { 5861 msg = "Chan %d Other Change Notify"; 5862 } 5863 5864 /* 5865 * If the loop down timer is running, cancel it. 5866 */ 5867 if (fc->ready && callout_active(&fc->ldt)) { 5868 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_uptime); 5869 callout_stop(&fc->ldt); 5870 } 5871 isp_prt(isp, ISP_LOGINFO, msg, bus); 5872 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) { 5873 isp_freeze_loopdown(isp, bus, msg); 5874 } 5875 wakeup(fc); 5876 break; 5877 } 5878#ifdef ISP_TARGET_MODE 5879 case ISPASYNC_TARGET_NOTIFY: 5880 { 5881 isp_notify_t *notify; 5882 va_start(ap, cmd); 5883 notify = va_arg(ap, isp_notify_t *); 5884 va_end(ap); 5885 switch (notify->nt_ncode) { 5886 case NT_ABORT_TASK: 5887 case NT_ABORT_TASK_SET: 5888 case NT_CLEAR_ACA: 5889 case NT_CLEAR_TASK_SET: 5890 case NT_LUN_RESET: 5891 case NT_TARGET_RESET: 5892 case NT_QUERY_TASK_SET: 5893 case NT_QUERY_ASYNC_EVENT: 5894 /* 5895 * These are task management functions. 5896 */ 5897 isp_handle_platform_target_tmf(isp, notify); 5898 break; 5899 case NT_BUS_RESET: 5900 case NT_LIP_RESET: 5901 case NT_LINK_UP: 5902 case NT_LINK_DOWN: 5903 case NT_HBA_RESET: 5904 /* 5905 * No action need be taken here. 5906 */ 5907 break; 5908 case NT_GLOBAL_LOGOUT: 5909 case NT_LOGOUT: 5910 /* 5911 * This is device arrival/departure notification 5912 */ 5913 isp_handle_platform_target_notify_ack(isp, notify); 5914 break; 5915 default: 5916 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode); 5917 isp_handle_platform_target_notify_ack(isp, notify); 5918 break; 5919 } 5920 break; 5921 } 5922 case ISPASYNC_TARGET_NOTIFY_ACK: 5923 { 5924 void *inot; 5925 va_start(ap, cmd); 5926 inot = va_arg(ap, void *); 5927 va_end(ap); 5928 if (isp_notify_ack(isp, inot)) { 5929 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT); 5930 if (tp) { 5931 tp->isp = isp; 5932 if (inot) { 5933 memcpy(tp->data, inot, sizeof (tp->data)); 5934 tp->not = tp->data; 5935 } else { 5936 tp->not = NULL; 5937 } 5938 callout_init_mtx(&tp->timer, &isp->isp_lock, 0); 5939 callout_reset(&tp->timer, 5, 5940 isp_refire_notify_ack, tp); 5941 } else { 5942 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire"); 5943 } 5944 } 5945 break; 5946 } 5947 case ISPASYNC_TARGET_ACTION: 5948 { 5949 isphdr_t *hp; 5950 5951 va_start(ap, cmd); 5952 hp = va_arg(ap, isphdr_t *); 5953 va_end(ap); 5954 switch (hp->rqs_entry_type) { 5955 default: 5956 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type); 5957 break; 5958 case RQSTYPE_NOTIFY: 5959 if (IS_SCSI(isp)) { 5960 isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp); 5961 } else if (IS_24XX(isp)) { 5962 isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp); 5963 } else { 5964 isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp); 5965 } 5966 break; 5967 case RQSTYPE_ATIO: 5968 if (IS_24XX(isp)) { 5969 isp_handle_platform_atio7(isp, (at7_entry_t *) hp); 5970 } else { 5971 isp_handle_platform_atio(isp, (at_entry_t *) hp); 5972 } 5973 break; 5974 case RQSTYPE_ATIO2: 5975 isp_handle_platform_atio2(isp, (at2_entry_t *) hp); 5976 break; 5977 case RQSTYPE_CTIO7: 5978 case RQSTYPE_CTIO3: 5979 case RQSTYPE_CTIO2: 5980 case RQSTYPE_CTIO: 5981 isp_handle_platform_ctio(isp, hp); 5982 break; 5983 case RQSTYPE_ABTS_RCVD: 5984 { 5985 abts_t *abts = (abts_t *)hp; 5986 isp_notify_t notify, *nt = ¬ify; 5987 tstate_t *tptr; 5988 fcportdb_t *lp; 5989 uint16_t chan; 5990 uint32_t sid, did; 5991 5992 did = (abts->abts_did_hi << 16) | abts->abts_did_lo; 5993 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo; 5994 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 5995 5996 nt->nt_hba = isp; 5997 nt->nt_did = did; 5998 nt->nt_nphdl = abts->abts_nphdl; 5999 nt->nt_sid = sid; 6000 isp_find_chan_by_did(isp, did, &chan); 6001 if (chan == ISP_NOCHAN) { 6002 nt->nt_tgt = TGT_ANY; 6003 } else { 6004 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn; 6005 if (isp_find_pdb_by_handle(isp, chan, abts->abts_nphdl, &lp)) { 6006 nt->nt_wwn = lp->port_wwn; 6007 } else { 6008 nt->nt_wwn = INI_ANY; 6009 } 6010 } 6011 /* 6012 * Try hard to find the lun for this command. 6013 */ 6014 tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task); 6015 if (tptr) { 6016 nt->nt_lun = tptr->ts_lun; 6017 rls_lun_statep(isp, tptr); 6018 } else { 6019 nt->nt_lun = LUN_ANY; 6020 } 6021 nt->nt_need_ack = 1; 6022 nt->nt_tagval = abts->abts_rxid_task; 6023 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32); 6024 if (abts->abts_rxid_task == ISP24XX_NO_TASK) { 6025 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x Port 0x%06x has no task id (rx_id 0x%04x ox_id 0x%04x)", 6026 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id); 6027 } else { 6028 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x Port 0x%06x for task 0x%x (rx_id 0x%04x ox_id 0x%04x)", 6029 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id); 6030 } 6031 nt->nt_channel = chan; 6032 nt->nt_ncode = NT_ABORT_TASK; 6033 nt->nt_lreserved = hp; 6034 isp_handle_platform_target_tmf(isp, nt); 6035 break; 6036 } 6037 case RQSTYPE_ENABLE_LUN: 6038 case RQSTYPE_MODIFY_LUN: 6039 isp_ledone(isp, (lun_entry_t *) hp); 6040 break; 6041 } 6042 break; 6043 } 6044#endif 6045 case ISPASYNC_FW_CRASH: 6046 { 6047 uint16_t mbox1, mbox6; 6048 mbox1 = ISP_READ(isp, OUTMAILBOX1); 6049 if (IS_DUALBUS(isp)) { 6050 mbox6 = ISP_READ(isp, OUTMAILBOX6); 6051 } else { 6052 mbox6 = 0; 6053 } 6054 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1); 6055 mbox1 = isp->isp_osinfo.mbox_sleep_ok; 6056 isp->isp_osinfo.mbox_sleep_ok = 0; 6057 isp_reinit(isp, 1); 6058 isp->isp_osinfo.mbox_sleep_ok = mbox1; 6059 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); 6060 break; 6061 } 6062 default: 6063 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd); 6064 break; 6065 } 6066} 6067 6068 6069/* 6070 * Locks are held before coming here. 6071 */ 6072void 6073isp_uninit(ispsoftc_t *isp) 6074{ 6075 if (IS_24XX(isp)) { 6076 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET); 6077 } else { 6078 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET); 6079 } 6080 ISP_DISABLE_INTS(isp); 6081} 6082 6083/* 6084 * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them 6085 * up from our platform default (defww{p|n}n) and morph them based upon 6086 * channel. 6087 * 6088 * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them 6089 * based upon channel. 6090 */ 6091 6092uint64_t 6093isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn) 6094{ 6095 uint64_t seed; 6096 struct isp_fc *fc = ISP_FC_PC(isp, chan); 6097 6098 /* 6099 * If we're asking for a active WWN, the default overrides get 6100 * returned, otherwise the NVRAM value is picked. 6101 * 6102 * If we're asking for a default WWN, we just pick the default override. 6103 */ 6104 if (isactive) { 6105 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 6106 if (seed) { 6107 return (seed); 6108 } 6109 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram; 6110 if (seed) { 6111 return (seed); 6112 } 6113 return (0x400000007F000009ull); 6114 } 6115 6116 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn; 6117 6118 /* 6119 * For channel zero just return what we have. For either ACTIVE or 6120 * DEFAULT cases, we depend on default override of NVRAM values for 6121 * channel zero. 6122 */ 6123 if (chan == 0) { 6124 return (seed); 6125 } 6126 6127 /* 6128 * For other channels, we are doing one of three things: 6129 * 6130 * 1. If what we have now is non-zero, return it. Otherwise we morph 6131 * values from channel 0. 2. If we're here for a WWPN we synthesize 6132 * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a 6133 * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA. 6134 */ 6135 6136 if (seed) { 6137 return (seed); 6138 } 6139 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn; 6140 if (seed == 0) 6141 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram; 6142 6143 if (((seed >> 60) & 0xf) == 2) { 6144 /* 6145 * The type 2 NAA fields for QLogic cards appear be laid out 6146 * thusly: 6147 * 6148 * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56 6149 * port (1) or node (0) WWN distinguishor bit 48 6150 * physical port on dual-port chips (23XX/24XX) 6151 * 6152 * This is somewhat nutty, particularly since bit 48 is 6153 * irrelevant as they assign separate serial numbers to 6154 * different physical ports anyway. 6155 * 6156 * We'll stick our channel number plus one first into bits 6157 * 57..59 and thence into bits 52..55 which allows for 8 bits 6158 * of channel which is comfortably more than our maximum 6159 * (126) now. 6160 */ 6161 seed &= ~0x0FF0000000000000ULL; 6162 if (iswwnn == 0) { 6163 seed |= ((uint64_t) (chan + 1) & 0xf) << 56; 6164 seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52; 6165 } 6166 } else { 6167 seed = 0; 6168 } 6169 return (seed); 6170} 6171 6172void 6173isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...) 6174{ 6175 int loc; 6176 char lbuf[200]; 6177 va_list ap; 6178 6179 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 6180 return; 6181 } 6182 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev)); 6183 loc = strlen(lbuf); 6184 va_start(ap, fmt); 6185 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap); 6186 va_end(ap); 6187 printf("%s\n", lbuf); 6188} 6189 6190void 6191isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...) 6192{ 6193 va_list ap; 6194 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { 6195 return; 6196 } 6197 xpt_print_path(xs->ccb_h.path); 6198 va_start(ap, fmt); 6199 vprintf(fmt, ap); 6200 va_end(ap); 6201 printf("\n"); 6202} 6203 6204uint64_t 6205isp_nanotime_sub(struct timespec *b, struct timespec *a) 6206{ 6207 uint64_t elapsed; 6208 struct timespec x = *b; 6209 timespecsub(&x, a); 6210 elapsed = GET_NANOSEC(&x); 6211 if (elapsed == 0) 6212 elapsed++; 6213 return (elapsed); 6214} 6215 6216int 6217isp_mbox_acquire(ispsoftc_t *isp) 6218{ 6219 if (isp->isp_osinfo.mboxbsy) { 6220 return (1); 6221 } else { 6222 isp->isp_osinfo.mboxcmd_done = 0; 6223 isp->isp_osinfo.mboxbsy = 1; 6224 return (0); 6225 } 6226} 6227 6228void 6229isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp) 6230{ 6231 unsigned int usecs = mbp->timeout; 6232 unsigned int max, olim, ilim; 6233 6234 if (usecs == 0) { 6235 usecs = MBCMD_DEFAULT_TIMEOUT; 6236 } 6237 max = isp->isp_mbxwrk0 + 1; 6238 6239 if (isp->isp_osinfo.mbox_sleep_ok) { 6240 unsigned int ms = (usecs + 999) / 1000; 6241 6242 isp->isp_osinfo.mbox_sleep_ok = 0; 6243 isp->isp_osinfo.mbox_sleeping = 1; 6244 for (olim = 0; olim < max; olim++) { 6245 msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms)); 6246 if (isp->isp_osinfo.mboxcmd_done) { 6247 break; 6248 } 6249 } 6250 isp->isp_osinfo.mbox_sleep_ok = 1; 6251 isp->isp_osinfo.mbox_sleeping = 0; 6252 } else { 6253 for (olim = 0; olim < max; olim++) { 6254 for (ilim = 0; ilim < usecs; ilim += 100) { 6255 uint32_t isr; 6256 uint16_t sema, mbox; 6257 if (isp->isp_osinfo.mboxcmd_done) { 6258 break; 6259 } 6260 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { 6261 isp_intr(isp, isr, sema, mbox); 6262 if (isp->isp_osinfo.mboxcmd_done) { 6263 break; 6264 } 6265 } 6266 ISP_DELAY(100); 6267 } 6268 if (isp->isp_osinfo.mboxcmd_done) { 6269 break; 6270 } 6271 } 6272 } 6273 if (isp->isp_osinfo.mboxcmd_done == 0) { 6274 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)", 6275 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno); 6276 mbp->param[0] = MBOX_TIMEOUT; 6277 isp->isp_osinfo.mboxcmd_done = 1; 6278 } 6279} 6280 6281void 6282isp_mbox_notify_done(ispsoftc_t *isp) 6283{ 6284 if (isp->isp_osinfo.mbox_sleeping) { 6285 wakeup(&isp->isp_mbxworkp); 6286 } 6287 isp->isp_osinfo.mboxcmd_done = 1; 6288} 6289 6290void 6291isp_mbox_release(ispsoftc_t *isp) 6292{ 6293 isp->isp_osinfo.mboxbsy = 0; 6294} 6295 6296int 6297isp_fc_scratch_acquire(ispsoftc_t *isp, int chan) 6298{ 6299 int ret = 0; 6300 if (isp->isp_osinfo.pc.fc[chan].fcbsy) { 6301 ret = -1; 6302 } else { 6303 isp->isp_osinfo.pc.fc[chan].fcbsy = 1; 6304 } 6305 return (ret); 6306} 6307 6308int 6309isp_mstohz(int ms) 6310{ 6311 int hz; 6312 struct timeval t; 6313 t.tv_sec = ms / 1000; 6314 t.tv_usec = (ms % 1000) * 1000; 6315 hz = tvtohz(&t); 6316 if (hz < 0) { 6317 hz = 0x7fffffff; 6318 } 6319 if (hz == 0) { 6320 hz = 1; 6321 } 6322 return (hz); 6323} 6324 6325void 6326isp_platform_intr(void *arg) 6327{ 6328 ispsoftc_t *isp = arg; 6329 uint32_t isr; 6330 uint16_t sema, mbox; 6331 6332 ISP_LOCK(isp); 6333 isp->isp_intcnt++; 6334 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) { 6335 isp->isp_intbogus++; 6336 } else { 6337 isp_intr(isp, isr, sema, mbox); 6338 } 6339 ISP_UNLOCK(isp); 6340} 6341 6342void 6343isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl) 6344{ 6345 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 6346 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD); 6347 } else { 6348 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE); 6349 } 6350 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap); 6351} 6352 6353/* 6354 * Reset the command reference number for all LUNs on a specific target 6355 * (needed when a target arrives again) or for all targets on a port 6356 * (needed for events like a LIP). 6357 */ 6358void 6359isp_fcp_reset_crn(struct isp_fc *fc, uint32_t tgt, int tgt_set) 6360{ 6361 int i; 6362 struct isp_nexus *nxp; 6363 6364 if (tgt_set == 0) 6365 isp_prt(fc->isp, ISP_LOG_SANCFG, "resetting CRN on all targets"); 6366 else 6367 isp_prt(fc->isp, ISP_LOG_SANCFG, "resetting CRN target %u", tgt); 6368 6369 for (i = 0; i < NEXUS_HASH_WIDTH; i++) { 6370 nxp = fc->nexus_hash[i]; 6371 while (nxp) { 6372 if ((tgt_set != 0) && (tgt == nxp->tgt)) 6373 nxp->crnseed = 0; 6374 6375 nxp = nxp->next; 6376 } 6377 } 6378} 6379 6380int 6381isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd) 6382{ 6383 uint32_t chan, tgt, lun; 6384 struct isp_fc *fc; 6385 struct isp_nexus *nxp; 6386 int idx; 6387 6388 if (isp->isp_type < ISP_HA_FC_2300) 6389 return (0); 6390 6391 chan = XS_CHANNEL(cmd); 6392 tgt = XS_TGT(cmd); 6393 lun = XS_LUN(cmd); 6394 fc = &isp->isp_osinfo.pc.fc[chan]; 6395 idx = NEXUS_HASH(tgt, lun); 6396 nxp = fc->nexus_hash[idx]; 6397 6398 while (nxp) { 6399 if (nxp->tgt == tgt && nxp->lun == lun) 6400 break; 6401 nxp = nxp->next; 6402 } 6403 if (nxp == NULL) { 6404 nxp = fc->nexus_free_list; 6405 if (nxp == NULL) { 6406 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT); 6407 if (nxp == NULL) { 6408 return (-1); 6409 } 6410 } else { 6411 fc->nexus_free_list = nxp->next; 6412 } 6413 nxp->tgt = tgt; 6414 nxp->lun = lun; 6415 nxp->next = fc->nexus_hash[idx]; 6416 fc->nexus_hash[idx] = nxp; 6417 } 6418 if (nxp) { 6419 if (nxp->crnseed == 0) 6420 nxp->crnseed = 1; 6421 if (cmd) 6422 PISP_PCMD(cmd)->crn = nxp->crnseed; 6423 *crnp = nxp->crnseed++; 6424 return (0); 6425 } 6426 return (-1); 6427} 6428 6429/* 6430 * We enter with the lock held 6431 */ 6432void 6433isp_timer(void *arg) 6434{ 6435 ispsoftc_t *isp = arg; 6436#ifdef ISP_TARGET_MODE 6437 isp_tmcmd_restart(isp); 6438#endif 6439 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp); 6440} 6441 6442isp_ecmd_t * 6443isp_get_ecmd(ispsoftc_t *isp) 6444{ 6445 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free; 6446 if (ecmd) { 6447 isp->isp_osinfo.ecmd_free = ecmd->next; 6448 } 6449 return (ecmd); 6450} 6451 6452void 6453isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd) 6454{ 6455 ecmd->next = isp->isp_osinfo.ecmd_free; 6456 isp->isp_osinfo.ecmd_free = ecmd; 6457} 6458