sys/dev/isp/isp_freebsd.c

   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("$FreeBSD$");
  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 MODULE_VERSION(isp, 1);
  45 MODULE_DEPEND(isp, cam, 1, 1, 1);
  46 int isp_announced = 0;
  47 int isp_loop_down_limit = 60;   /* default loop down limit */
  48 int isp_quickboot_time = 7;     /* don't wait more than N secs for loop up */
  49 int isp_gone_device_time = 30;  /* grace time before reporting device lost */
  50 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s";
  51
  52 static void isp_freeze_loopdown(ispsoftc_t *, int);
  53 static void isp_loop_changed(ispsoftc_t *isp, int chan);
  54 static d_ioctl_t ispioctl;
  55 static void isp_intr_enable(void *);
  56 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
  57 static void isp_poll(struct cam_sim *);
  58 static timeout_t isp_watchdog;
  59 static timeout_t isp_gdt;
  60 static task_fn_t isp_gdt_task;
  61 static void isp_kthread(void *);
  62 static void isp_action(struct cam_sim *, union ccb *);
  63 static int isp_timer_count;
  64 static void isp_timer(void *);
  65
  66 static struct cdevsw isp_cdevsw = {
  67         .d_version =    D_VERSION,
  68         .d_ioctl =      ispioctl,
  69         .d_name =       "isp",
  70 };
  71
  72 static int
  73 isp_role_sysctl(SYSCTL_HANDLER_ARGS)
  74 {
  75         ispsoftc_t *isp = (ispsoftc_t *)arg1;
  76         int chan = arg2;
  77         int error, old, value;
  78
  79         value = FCPARAM(isp, chan)->role;
  80
  81         error = sysctl_handle_int(oidp, &value, 0, req);
  82         if ((error != 0) || (req->newptr == NULL))
  83                 return (error);
  84
  85         if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH)
  86                 return (EINVAL);
  87
  88         ISP_LOCK(isp);
  89         old = FCPARAM(isp, chan)->role;
  90
  91         /* We don't allow target mode switch from here. */
  92         value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR);
  93
  94         /* If nothing has changed -- we are done. */
  95         if (value == old) {
  96                 ISP_UNLOCK(isp);
  97                 return (0);
  98         }
  99
 100         /* Actually change the role. */
 101         error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value);
 102         ISP_UNLOCK(isp);
 103         return (error);
 104 }
 105
 106 static int
 107 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
 108 {
 109         struct ccb_setasync csa;
 110         struct cam_sim *sim;
 111         struct cam_path *path;
 112 #ifdef  ISP_TARGET_MODE
 113         int i;
 114 #endif
 115
 116         /*
 117          * Construct our SIM entry.
 118          */
 119         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);
 120
 121         if (sim == NULL) {
 122                 return (ENOMEM);
 123         }
 124
 125         ISP_LOCK(isp);
 126         if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
 127                 ISP_UNLOCK(isp);
 128                 cam_sim_free(sim, FALSE);
 129                 return (EIO);
 130         }
 131         ISP_UNLOCK(isp);
 132         if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 133                 ISP_LOCK(isp);
 134                 xpt_bus_deregister(cam_sim_path(sim));
 135                 ISP_UNLOCK(isp);
 136                 cam_sim_free(sim, FALSE);
 137                 return (ENXIO);
 138         }
 139         xpt_setup_ccb(&csa.ccb_h, path, 5);
 140         csa.ccb_h.func_code = XPT_SASYNC_CB;
 141         csa.event_enable = AC_LOST_DEVICE;
 142         csa.callback = isp_cam_async;
 143         csa.callback_arg = sim;
 144
 145         ISP_LOCK(isp);
 146         xpt_action((union ccb *)&csa);
 147         ISP_UNLOCK(isp);
 148
 149         if (IS_SCSI(isp)) {
 150                 struct isp_spi *spi = ISP_SPI_PC(isp, chan);
 151                 spi->sim = sim;
 152                 spi->path = path;
 153 #ifdef  ISP_TARGET_MODE
 154                 TAILQ_INIT(&spi->waitq);
 155                 STAILQ_INIT(&spi->ntfree);
 156                 for (i = 0; i < ATPDPSIZE; i++)
 157                         STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next);
 158                 LIST_INIT(&spi->atfree);
 159                 for (i = ATPDPSIZE-1; i >= 0; i--)
 160                         LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next);
 161                 for (i = 0; i < ATPDPHASHSIZE; i++)
 162                         LIST_INIT(&spi->atused[i]);
 163 #endif
 164         } else {
 165                 fcparam *fcp = FCPARAM(isp, chan);
 166                 struct isp_fc *fc = ISP_FC_PC(isp, chan);
 167                 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
 168                 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
 169                 char name[16];
 170
 171                 ISP_LOCK(isp);
 172                 fc->sim = sim;
 173                 fc->path = path;
 174                 fc->isp = isp;
 175                 fc->ready = 1;
 176
 177                 callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0);
 178                 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
 179 #ifdef  ISP_TARGET_MODE
 180                 TAILQ_INIT(&fc->waitq);
 181                 STAILQ_INIT(&fc->ntfree);
 182                 for (i = 0; i < ATPDPSIZE; i++)
 183                         STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next);
 184                 LIST_INIT(&fc->atfree);
 185                 for (i = ATPDPSIZE-1; i >= 0; i--)
 186                         LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next);
 187                 for (i = 0; i < ATPDPHASHSIZE; i++)
 188                         LIST_INIT(&fc->atused[i]);
 189 #endif
 190                 isp_loop_changed(isp, chan);
 191                 ISP_UNLOCK(isp);
 192                 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0,
 193                     "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
 194                         xpt_free_path(fc->path);
 195                         ISP_LOCK(isp);
 196                         xpt_bus_deregister(cam_sim_path(fc->sim));
 197                         ISP_UNLOCK(isp);
 198                         cam_sim_free(fc->sim, FALSE);
 199                         return (ENOMEM);
 200                 }
 201                 fc->num_threads += 1;
 202                 if (chan > 0) {
 203                         snprintf(name, sizeof(name), "chan%d", chan);
 204                         tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree),
 205                             OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel");
 206                 }
 207                 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 208                     "wwnn", CTLFLAG_RD, &fcp->isp_wwnn,
 209                     "World Wide Node Name");
 210                 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 211                     "wwpn", CTLFLAG_RD, &fcp->isp_wwpn,
 212                     "World Wide Port Name");
 213                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 214                     "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0,
 215                     "Loop Down Limit");
 216                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 217                     "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0,
 218                     "Gone Device Time");
 219 #if defined(ISP_TARGET_MODE) && defined(DEBUG)
 220                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 221                     "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0,
 222                     "Cause a Lost Frame on a Read");
 223 #endif
 224                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 225                     "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan,
 226                     isp_role_sysctl, "I", "Current role");
 227                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 228                     "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0,
 229                     "Connection speed in gigabits");
 230                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 231                     "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0,
 232                     "Link state");
 233                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 234                     "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0,
 235                     "Firmware state");
 236                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 237                     "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0,
 238                     "Loop state");
 239                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 240                     "topo", CTLFLAG_RD, &fcp->isp_topo, 0,
 241                     "Connection topology");
 242         }
 243         return (0);
 244 }
 245
 246 static void
 247 isp_detach_chan(ispsoftc_t *isp, int chan)
 248 {
 249         struct cam_sim *sim;
 250         struct cam_path *path;
 251         struct ccb_setasync csa;
 252         int *num_threads;
 253
 254         ISP_GET_PC(isp, chan, sim, sim);
 255         ISP_GET_PC(isp, chan, path, path);
 256         ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads);
 257
 258         xpt_setup_ccb(&csa.ccb_h, path, 5);
 259         csa.ccb_h.func_code = XPT_SASYNC_CB;
 260         csa.event_enable = 0;
 261         csa.callback = isp_cam_async;
 262         csa.callback_arg = sim;
 263         xpt_action((union ccb *)&csa);
 264         xpt_free_path(path);
 265         xpt_bus_deregister(cam_sim_path(sim));
 266         cam_sim_free(sim, FALSE);
 267
 268         /* Wait for the channel's spawned threads to exit. */
 269         wakeup(isp->isp_osinfo.pc.ptr);
 270         while (*num_threads != 0)
 271                 mtx_sleep(isp, &isp->isp_osinfo.lock, PRIBIO, "isp_reap", 100);
 272 }
 273
 274 int
 275 isp_attach(ispsoftc_t *isp)
 276 {
 277         const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
 278         int du = device_get_unit(isp->isp_dev);
 279         int chan;
 280
 281         /*
 282          * Create the device queue for our SIM(s).
 283          */
 284         isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
 285         if (isp->isp_osinfo.devq == NULL) {
 286                 return (EIO);
 287         }
 288
 289         for (chan = 0; chan < isp->isp_nchan; chan++) {
 290                 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
 291                         goto unwind;
 292                 }
 293         }
 294
 295         callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0);
 296         isp_timer_count = hz >> 2;
 297         callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
 298         isp->isp_osinfo.timer_active = 1;
 299
 300         isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
 301         if (isp->isp_osinfo.cdev) {
 302                 isp->isp_osinfo.cdev->si_drv1 = isp;
 303         }
 304         return (0);
 305
 306 unwind:
 307         while (--chan >= 0) {
 308                 struct cam_sim *sim;
 309                 struct cam_path *path;
 310
 311                 ISP_GET_PC(isp, chan, sim, sim);
 312                 ISP_GET_PC(isp, chan, path, path);
 313                 xpt_free_path(path);
 314                 ISP_LOCK(isp);
 315                 xpt_bus_deregister(cam_sim_path(sim));
 316                 ISP_UNLOCK(isp);
 317                 cam_sim_free(sim, FALSE);
 318         }
 319         if (isp->isp_osinfo.cdev) {
 320                 destroy_dev(isp->isp_osinfo.cdev);
 321                 isp->isp_osinfo.cdev = NULL;
 322         }
 323         cam_simq_free(isp->isp_osinfo.devq);
 324         isp->isp_osinfo.devq = NULL;
 325         return (-1);
 326 }
 327
 328 int
 329 isp_detach(ispsoftc_t *isp)
 330 {
 331         struct cam_sim *sim;
 332         int chan;
 333
 334         ISP_LOCK(isp);
 335         for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
 336                 ISP_GET_PC(isp, chan, sim, sim);
 337                 if (sim->refcount > 2) {
 338                         ISP_UNLOCK(isp);
 339                         return (EBUSY);
 340                 }
 341         }
 342         /* Tell spawned threads that we're exiting. */
 343         isp->isp_osinfo.is_exiting = 1;
 344         if (isp->isp_osinfo.timer_active) {
 345                 callout_stop(&isp->isp_osinfo.tmo);
 346                 isp->isp_osinfo.timer_active = 0;
 347         }
 348         for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1)
 349                 isp_detach_chan(isp, chan);
 350         ISP_UNLOCK(isp);
 351
 352         if (isp->isp_osinfo.cdev) {
 353                 destroy_dev(isp->isp_osinfo.cdev);
 354                 isp->isp_osinfo.cdev = NULL;
 355         }
 356         if (isp->isp_osinfo.devq != NULL) {
 357                 cam_simq_free(isp->isp_osinfo.devq);
 358                 isp->isp_osinfo.devq = NULL;
 359         }
 360         return (0);
 361 }
 362
 363 static void
 364 isp_freeze_loopdown(ispsoftc_t *isp, int chan)
 365 {
 366         if (IS_FC(isp)) {
 367                 struct isp_fc *fc = ISP_FC_PC(isp, chan);
 368                 if (fc->simqfrozen == 0) {
 369                         isp_prt(isp, ISP_LOGDEBUG0,
 370                             "Chan %d Freeze simq (loopdown)", chan);
 371                         fc->simqfrozen = SIMQFRZ_LOOPDOWN;
 372                         xpt_hold_boot();
 373                         xpt_freeze_simq(fc->sim, 1);
 374                 } else {
 375                         isp_prt(isp, ISP_LOGDEBUG0,
 376                             "Chan %d Mark simq frozen (loopdown)", chan);
 377                         fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
 378                 }
 379         }
 380 }
 381
 382 static void
 383 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
 384 {
 385         if (IS_FC(isp)) {
 386                 struct isp_fc *fc = ISP_FC_PC(isp, chan);
 387                 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
 388                 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
 389                 if (wasfrozen && fc->simqfrozen == 0) {
 390                         isp_prt(isp, ISP_LOGDEBUG0,
 391                             "Chan %d Release simq", chan);
 392                         xpt_release_simq(fc->sim, 1);
 393                         xpt_release_boot();
 394                 }
 395         }
 396 }
 397
 398
 399 static int
 400 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
 401 {
 402         ispsoftc_t *isp;
 403         int nr, chan, retval = ENOTTY;
 404
 405         isp = dev->si_drv1;
 406
 407         switch (c) {
 408         case ISP_SDBLEV:
 409         {
 410                 int olddblev = isp->isp_dblev;
 411                 isp->isp_dblev = *(int *)addr;
 412                 *(int *)addr = olddblev;
 413                 retval = 0;
 414                 break;
 415         }
 416         case ISP_GETROLE:
 417                 chan = *(int *)addr;
 418                 if (chan < 0 || chan >= isp->isp_nchan) {
 419                         retval = -ENXIO;
 420                         break;
 421                 }
 422                 if (IS_FC(isp)) {
 423                         *(int *)addr = FCPARAM(isp, chan)->role;
 424                 } else {
 425                         *(int *)addr = ISP_ROLE_INITIATOR;
 426                 }
 427                 retval = 0;
 428                 break;
 429         case ISP_SETROLE:
 430                 if (IS_SCSI(isp))
 431                         break;
 432                 nr = *(int *)addr;
 433                 chan = nr >> 8;
 434                 if (chan < 0 || chan >= isp->isp_nchan) {
 435                         retval = -ENXIO;
 436                         break;
 437                 }
 438                 nr &= 0xff;
 439                 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
 440                         retval = EINVAL;
 441                         break;
 442                 }
 443                 ISP_LOCK(isp);
 444                 *(int *)addr = FCPARAM(isp, chan)->role;
 445                 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr);
 446                 ISP_UNLOCK(isp);
 447                 retval = 0;
 448                 break;
 449
 450         case ISP_RESETHBA:
 451                 ISP_LOCK(isp);
 452                 isp_reinit(isp, 0);
 453                 ISP_UNLOCK(isp);
 454                 retval = 0;
 455                 break;
 456
 457         case ISP_RESCAN:
 458                 if (IS_FC(isp)) {
 459                         chan = *(int *)addr;
 460                         if (chan < 0 || chan >= isp->isp_nchan) {
 461                                 retval = -ENXIO;
 462                                 break;
 463                         }
 464                         ISP_LOCK(isp);
 465                         if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) {
 466                                 retval = EIO;
 467                         } else {
 468                                 retval = 0;
 469                         }
 470                         ISP_UNLOCK(isp);
 471                 }
 472                 break;
 473
 474         case ISP_FC_LIP:
 475                 if (IS_FC(isp)) {
 476                         chan = *(int *)addr;
 477                         if (chan < 0 || chan >= isp->isp_nchan) {
 478                                 retval = -ENXIO;
 479                                 break;
 480                         }
 481                         ISP_LOCK(isp);
 482                         if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
 483                                 retval = EIO;
 484                         } else {
 485                                 retval = 0;
 486                         }
 487                         ISP_UNLOCK(isp);
 488                 }
 489                 break;
 490         case ISP_FC_GETDINFO:
 491         {
 492                 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
 493                 fcportdb_t *lp;
 494
 495                 if (IS_SCSI(isp)) {
 496                         break;
 497                 }
 498                 if (ifc->loopid >= MAX_FC_TARG) {
 499                         retval = EINVAL;
 500                         break;
 501                 }
 502                 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
 503                 if (lp->state != FC_PORTDB_STATE_NIL) {
 504                         ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
 505                         ifc->loopid = lp->handle;
 506                         ifc->portid = lp->portid;
 507                         ifc->node_wwn = lp->node_wwn;
 508                         ifc->port_wwn = lp->port_wwn;
 509                         retval = 0;
 510                 } else {
 511                         retval = ENODEV;
 512                 }
 513                 break;
 514         }
 515         case ISP_GET_STATS:
 516         {
 517                 isp_stats_t *sp = (isp_stats_t *) addr;
 518
 519                 ISP_MEMZERO(sp, sizeof (*sp));
 520                 sp->isp_stat_version = ISP_STATS_VERSION;
 521                 sp->isp_type = isp->isp_type;
 522                 sp->isp_revision = isp->isp_revision;
 523                 ISP_LOCK(isp);
 524                 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
 525                 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
 526                 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
 527                 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
 528                 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
 529                 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
 530                 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
 531                 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
 532                 ISP_UNLOCK(isp);
 533                 retval = 0;
 534                 break;
 535         }
 536         case ISP_CLR_STATS:
 537                 ISP_LOCK(isp);
 538                 isp->isp_intcnt = 0;
 539                 isp->isp_intbogus = 0;
 540                 isp->isp_intmboxc = 0;
 541                 isp->isp_intoasync = 0;
 542                 isp->isp_rsltccmplt = 0;
 543                 isp->isp_fphccmplt = 0;
 544                 isp->isp_rscchiwater = 0;
 545                 isp->isp_fpcchiwater = 0;
 546                 ISP_UNLOCK(isp);
 547                 retval = 0;
 548                 break;
 549         case ISP_FC_GETHINFO:
 550         {
 551                 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
 552                 int chan = hba->fc_channel;
 553
 554                 if (chan < 0 || chan >= isp->isp_nchan) {
 555                         retval = ENXIO;
 556                         break;
 557                 }
 558                 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
 559                 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
 560                 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
 561                 hba->fc_nchannels = isp->isp_nchan;
 562                 if (IS_FC(isp)) {
 563                         hba->fc_nports = MAX_FC_TARG;
 564                         hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
 565                         hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
 566                         hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
 567                         hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
 568                         hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
 569                         hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
 570                         hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
 571                 } else {
 572                         hba->fc_nports = MAX_TARGETS;
 573                         hba->fc_speed = 0;
 574                         hba->fc_topology = 0;
 575                         hba->nvram_node_wwn = 0ull;
 576                         hba->nvram_port_wwn = 0ull;
 577                         hba->active_node_wwn = 0ull;
 578                         hba->active_port_wwn = 0ull;
 579                 }
 580                 retval = 0;
 581                 break;
 582         }
 583         case ISP_TSK_MGMT:
 584         {
 585                 int needmarker;
 586                 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
 587                 uint16_t nphdl;
 588                 mbreg_t mbs;
 589
 590                 if (IS_SCSI(isp)) {
 591                         break;
 592                 }
 593
 594                 chan = fct->chan;
 595                 if (chan < 0 || chan >= isp->isp_nchan) {
 596                         retval = -ENXIO;
 597                         break;
 598                 }
 599
 600                 needmarker = retval = 0;
 601                 nphdl = fct->loopid;
 602                 ISP_LOCK(isp);
 603                 if (IS_24XX(isp)) {
 604                         void *reqp;
 605                         uint8_t resp[QENTRY_LEN];
 606                         isp24xx_tmf_t tmf;
 607                         isp24xx_statusreq_t sp;
 608                         fcparam *fcp = FCPARAM(isp, chan);
 609                         fcportdb_t *lp;
 610                         int i;
 611
 612                         for (i = 0; i < MAX_FC_TARG; i++) {
 613                                 lp = &fcp->portdb[i];
 614                                 if (lp->handle == nphdl) {
 615                                         break;
 616                                 }
 617                         }
 618                         if (i == MAX_FC_TARG) {
 619                                 retval = ENXIO;
 620                                 ISP_UNLOCK(isp);
 621                                 break;
 622                         }
 623                         ISP_MEMZERO(&tmf, sizeof(tmf));
 624                         tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
 625                         tmf.tmf_header.rqs_entry_count = 1;
 626                         tmf.tmf_nphdl = lp->handle;
 627                         tmf.tmf_delay = 2;
 628                         tmf.tmf_timeout = 4;
 629                         tmf.tmf_tidlo = lp->portid;
 630                         tmf.tmf_tidhi = lp->portid >> 16;
 631                         tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan);
 632                         tmf.tmf_lun[1] = fct->lun & 0xff;
 633                         if (fct->lun >= 256) {
 634                                 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8);
 635                         }
 636                         switch (fct->action) {
 637                         case IPT_CLEAR_ACA:
 638                                 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA;
 639                                 break;
 640                         case IPT_TARGET_RESET:
 641                                 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET;
 642                                 needmarker = 1;
 643                                 break;
 644                         case IPT_LUN_RESET:
 645                                 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET;
 646                                 needmarker = 1;
 647                                 break;
 648                         case IPT_CLEAR_TASK_SET:
 649                                 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
 650                                 needmarker = 1;
 651                                 break;
 652                         case IPT_ABORT_TASK_SET:
 653                                 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
 654                                 needmarker = 1;
 655                                 break;
 656                         default:
 657                                 retval = EINVAL;
 658                                 break;
 659                         }
 660                         if (retval) {
 661                                 ISP_UNLOCK(isp);
 662                                 break;
 663                         }
 664
 665                         /* Prepare space for response in memory */
 666                         memset(resp, 0xff, sizeof(resp));
 667                         tmf.tmf_handle = isp_allocate_handle(isp, resp,
 668                             ISP_HANDLE_CTRL);
 669                         if (tmf.tmf_handle == 0) {
 670                                 isp_prt(isp, ISP_LOGERR,
 671                                     "%s: TMF of Chan %d out of handles",
 672                                     __func__, chan);
 673                                 ISP_UNLOCK(isp);
 674                                 retval = ENOMEM;
 675                                 break;
 676                         }
 677
 678                         /* Send request and wait for response. */
 679                         reqp = isp_getrqentry(isp);
 680                         if (reqp == NULL) {
 681                                 isp_prt(isp, ISP_LOGERR,
 682                                     "%s: TMF of Chan %d out of rqent",
 683                                     __func__, chan);
 684                                 isp_destroy_handle(isp, tmf.tmf_handle);
 685                                 ISP_UNLOCK(isp);
 686                                 retval = EIO;
 687                                 break;
 688                         }
 689                         isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp);
 690                         if (isp->isp_dblev & ISP_LOGDEBUG1)
 691                                 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp);
 692                         ISP_SYNC_REQUEST(isp);
 693                         if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) {
 694                                 isp_prt(isp, ISP_LOGERR,
 695                                     "%s: TMF of Chan %d timed out",
 696                                     __func__, chan);
 697                                 isp_destroy_handle(isp, tmf.tmf_handle);
 698                                 ISP_UNLOCK(isp);
 699                                 retval = EIO;
 700                                 break;
 701                         }
 702                         if (isp->isp_dblev & ISP_LOGDEBUG1)
 703                                 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp);
 704                         isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp);
 705
 706                         if (sp.req_completion_status != 0)
 707                                 retval = EIO;
 708                         else if (needmarker)
 709                                 fcp->sendmarker = 1;
 710                 } else {
 711                         MBSINIT(&mbs, 0, MBLOGALL, 0);
 712                         if (ISP_CAP_2KLOGIN(isp) == 0) {
 713                                 nphdl <<= 8;
 714                         }
 715                         switch (fct->action) {
 716                         case IPT_CLEAR_ACA:
 717                                 mbs.param[0] = MBOX_CLEAR_ACA;
 718                                 mbs.param[1] = nphdl;
 719                                 mbs.param[2] = fct->lun;
 720                                 break;
 721                         case IPT_TARGET_RESET:
 722                                 mbs.param[0] = MBOX_TARGET_RESET;
 723                                 mbs.param[1] = nphdl;
 724                                 needmarker = 1;
 725                                 break;
 726                         case IPT_LUN_RESET:
 727                                 mbs.param[0] = MBOX_LUN_RESET;
 728                                 mbs.param[1] = nphdl;
 729                                 mbs.param[2] = fct->lun;
 730                                 needmarker = 1;
 731                                 break;
 732                         case IPT_CLEAR_TASK_SET:
 733                                 mbs.param[0] = MBOX_CLEAR_TASK_SET;
 734                                 mbs.param[1] = nphdl;
 735                                 mbs.param[2] = fct->lun;
 736                                 needmarker = 1;
 737                                 break;
 738                         case IPT_ABORT_TASK_SET:
 739                                 mbs.param[0] = MBOX_ABORT_TASK_SET;
 740                                 mbs.param[1] = nphdl;
 741                                 mbs.param[2] = fct->lun;
 742                                 needmarker = 1;
 743                                 break;
 744                         default:
 745                                 retval = EINVAL;
 746                                 break;
 747                         }
 748                         if (retval == 0) {
 749                                 if (needmarker) {
 750                                         FCPARAM(isp, chan)->sendmarker = 1;
 751                                 }
 752                                 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
 753                                 if (retval) {
 754                                         retval = EIO;
 755                                 }
 756                         }
 757                 }
 758                 ISP_UNLOCK(isp);
 759                 break;
 760         }
 761         default:
 762                 break;
 763         }
 764         return (retval);
 765 }
 766
 767 /*
 768  * Local Inlines
 769  */
 770
 771 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
 772 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
 773
 774 static ISP_INLINE int
 775 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
 776 {
 777         ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
 778         if (ISP_PCMD(ccb) == NULL) {
 779                 return (-1);
 780         }
 781         isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
 782         return (0);
 783 }
 784
 785 static ISP_INLINE void
 786 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
 787 {
 788         if (ISP_PCMD(ccb)) {
 789 #ifdef  ISP_TARGET_MODE
 790                 PISP_PCMD(ccb)->datalen = 0;
 791                 PISP_PCMD(ccb)->totslen = 0;
 792                 PISP_PCMD(ccb)->cumslen = 0;
 793                 PISP_PCMD(ccb)->crn = 0;
 794 #endif
 795                 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
 796                 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
 797                 ISP_PCMD(ccb) = NULL;
 798         }
 799 }
 800
 801 /*
 802  * Put the target mode functions here, because some are inlines
 803  */
 804 #ifdef  ISP_TARGET_MODE
 805 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
 806 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t);
 807 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t);
 808 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *);
 809 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int);
 810 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t);
 811 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *);
 812 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
 813 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *);
 814 static void isp_enable_lun(ispsoftc_t *, union ccb *);
 815 static void isp_disable_lun(ispsoftc_t *, union ccb *);
 816 static timeout_t isp_refire_putback_atio;
 817 static timeout_t isp_refire_notify_ack;
 818 static void isp_complete_ctio(union ccb *);
 819 static void isp_target_putback_atio(union ccb *);
 820 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
 821 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
 822 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
 823 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
 824 static void isp_handle_platform_ctio(ispsoftc_t *, void *);
 825 static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
 826 static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
 827 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp);
 828 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
 829 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t);
 830
 831 static ISP_INLINE tstate_t *
 832 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
 833 {
 834         tstate_t *tptr = NULL;
 835         struct tslist *lhp;
 836
 837         if (bus < isp->isp_nchan) {
 838                 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
 839                 SLIST_FOREACH(tptr, lhp, next) {
 840                         if (tptr->ts_lun == lun)
 841                                 return (tptr);
 842                 }
 843         }
 844         return (NULL);
 845 }
 846
 847 static int
 848 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr)
 849 {
 850         inot_private_data_t *ntp;
 851         struct ntpdlist rq;
 852
 853         if (STAILQ_EMPTY(&tptr->restart_queue))
 854                 return (0);
 855         STAILQ_INIT(&rq);
 856         STAILQ_CONCAT(&rq, &tptr->restart_queue);
 857         while ((ntp = STAILQ_FIRST(&rq)) != NULL) {
 858                 STAILQ_REMOVE_HEAD(&rq, next);
 859                 if (IS_24XX(isp)) {
 860                         isp_prt(isp, ISP_LOGTDEBUG0,
 861                             "%s: restarting resrc deprived %x", __func__,
 862                             ((at7_entry_t *)ntp->data)->at_rxid);
 863                         isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data);
 864                 } else {
 865                         isp_prt(isp, ISP_LOGTDEBUG0,
 866                             "%s: restarting resrc deprived %x", __func__,
 867                             ((at2_entry_t *)ntp->data)->at_rxid);
 868                         isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data);
 869                 }
 870                 isp_put_ntpd(isp, bus, ntp);
 871                 if (!STAILQ_EMPTY(&tptr->restart_queue))
 872                         break;
 873         }
 874         if (!STAILQ_EMPTY(&rq)) {
 875                 STAILQ_CONCAT(&rq, &tptr->restart_queue);
 876                 STAILQ_CONCAT(&tptr->restart_queue, &rq);
 877         }
 878         return (!STAILQ_EMPTY(&tptr->restart_queue));
 879 }
 880
 881 static void
 882 isp_tmcmd_restart(ispsoftc_t *isp)
 883 {
 884         tstate_t *tptr;
 885         union ccb *ccb;
 886         struct tslist *lhp;
 887         struct isp_ccbq *waitq;
 888         int bus, i;
 889
 890         for (bus = 0; bus < isp->isp_nchan; bus++) {
 891                 for (i = 0; i < LUN_HASH_SIZE; i++) {
 892                         ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
 893                         SLIST_FOREACH(tptr, lhp, next)
 894                                 isp_atio_restart(isp, bus, tptr);
 895                 }
 896
 897                 /*
 898                  * We only need to do this once per channel.
 899                  */
 900                 ISP_GET_PC_ADDR(isp, bus, waitq, waitq);
 901                 ccb = (union ccb *)TAILQ_FIRST(waitq);
 902                 if (ccb != NULL) {
 903                         TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe);
 904                         isp_target_start_ctio(isp, ccb, FROM_TIMER);
 905                 }
 906         }
 907 }
 908
 909 static atio_private_data_t *
 910 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
 911 {
 912         struct atpdlist *atfree;
 913         struct atpdlist *atused;
 914         atio_private_data_t *atp;
 915
 916         ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
 917         atp = LIST_FIRST(atfree);
 918         if (atp) {
 919                 LIST_REMOVE(atp, next);
 920                 atp->tag = tag;
 921                 ISP_GET_PC(isp, chan, atused, atused);
 922                 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next);
 923         }
 924         return (atp);
 925 }
 926
 927 static atio_private_data_t *
 928 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
 929 {
 930         struct atpdlist *atused;
 931         atio_private_data_t *atp;
 932
 933         ISP_GET_PC(isp, chan, atused, atused);
 934         LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) {
 935                 if (atp->tag == tag)
 936                         return (atp);
 937         }
 938         return (NULL);
 939 }
 940
 941 static void
 942 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp)
 943 {
 944         struct atpdlist *atfree;
 945
 946         if (atp->ests) {
 947                 isp_put_ecmd(isp, atp->ests);
 948         }
 949         LIST_REMOVE(atp, next);
 950         memset(atp, 0, sizeof (*atp));
 951         ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
 952         LIST_INSERT_HEAD(atfree, atp, next);
 953 }
 954
 955 static void
 956 isp_dump_atpd(ispsoftc_t *isp, int chan)
 957 {
 958         atio_private_data_t *atp, *atpool;
 959         const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
 960
 961         ISP_GET_PC(isp, chan, atpool, atpool);
 962         for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
 963                 if (atp->state == ATPD_STATE_FREE)
 964                         continue;
 965                 isp_prt(isp, ISP_LOGALL, "Chan %d ATP [0x%x] origdlen %u bytes_xfrd %u lun %jx nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s",
 966                     chan, atp->tag, atp->orig_datalen, atp->bytes_xfered, (uintmax_t)atp->lun, atp->nphdl, atp->sid, atp->did, atp->oxid, states[atp->state & 0x7]);
 967         }
 968 }
 969
 970 static inot_private_data_t *
 971 isp_get_ntpd(ispsoftc_t *isp, int chan)
 972 {
 973         struct ntpdlist *ntfree;
 974         inot_private_data_t *ntp;
 975
 976         ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
 977         ntp = STAILQ_FIRST(ntfree);
 978         if (ntp)
 979                 STAILQ_REMOVE_HEAD(ntfree, next);
 980         return (ntp);
 981 }
 982
 983 static inot_private_data_t *
 984 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id)
 985 {
 986         inot_private_data_t *ntp, *ntp2;
 987
 988         ISP_GET_PC(isp, chan, ntpool, ntp);
 989         ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2);
 990         for (; ntp < ntp2; ntp++) {
 991                 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id)
 992                         return (ntp);
 993         }
 994         return (NULL);
 995 }
 996
 997 static void
 998 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp)
 999 {
1000         struct ntpdlist *ntfree;
1001
1002         ntp->tag_id = ntp->seq_id = 0;
1003         ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
1004         STAILQ_INSERT_HEAD(ntfree, ntp, next);
1005 }
1006
1007 static cam_status
1008 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
1009 {
1010         lun_id_t lun;
1011         struct tslist *lhp;
1012         tstate_t *tptr;
1013
1014         lun = xpt_path_lun_id(path);
1015         if (lun != CAM_LUN_WILDCARD) {
1016                 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) {
1017                         return (CAM_LUN_INVALID);
1018                 }
1019         }
1020         tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
1021         if (tptr == NULL) {
1022                 return (CAM_RESRC_UNAVAIL);
1023         }
1024         tptr->ts_lun = lun;
1025         SLIST_INIT(&tptr->atios);
1026         SLIST_INIT(&tptr->inots);
1027         ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
1028         SLIST_INSERT_HEAD(lhp, tptr, next);
1029         *rslt = tptr;
1030         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
1031         return (CAM_REQ_CMP);
1032 }
1033
1034 static void
1035 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr)
1036 {
1037         union ccb *ccb;
1038         struct tslist *lhp;
1039         inot_private_data_t *ntp;
1040
1041         while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) {
1042                 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1043                 ccb->ccb_h.status = CAM_REQ_ABORTED;
1044                 xpt_done(ccb);
1045         };
1046         while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) {
1047                 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
1048                 ccb->ccb_h.status = CAM_REQ_ABORTED;
1049                 xpt_done(ccb);
1050         }
1051         while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) {
1052                 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0);
1053                 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next);
1054                 isp_put_ntpd(isp, bus, ntp);
1055         }
1056         ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp);
1057         SLIST_REMOVE(lhp, tptr, tstate, next);
1058         free(tptr, M_DEVBUF);
1059 }
1060
1061 static void
1062 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1063 {
1064         tstate_t *tptr;
1065         int bus;
1066         target_id_t target;
1067         lun_id_t lun;
1068
1069         if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) {
1070                 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n");
1071                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1072                 xpt_done(ccb);
1073                 return;
1074         }
1075
1076         /*
1077          * We only support either target and lun both wildcard
1078          * or target and lun both non-wildcard.
1079          */
1080         bus = XS_CHANNEL(ccb);
1081         target = ccb->ccb_h.target_id;
1082         lun = ccb->ccb_h.target_lun;
1083         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1084             "enabling lun %jx\n", (uintmax_t)lun);
1085         if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1086                 ccb->ccb_h.status = CAM_LUN_INVALID;
1087                 xpt_done(ccb);
1088                 return;
1089         }
1090
1091         /* Create the state pointer. It should not already exist. */
1092         tptr = get_lun_statep(isp, bus, lun);
1093         if (tptr) {
1094                 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1095                 xpt_done(ccb);
1096                 return;
1097         }
1098         ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1099         if (ccb->ccb_h.status != CAM_REQ_CMP) {
1100                 xpt_done(ccb);
1101                 return;
1102         }
1103
1104         ccb->ccb_h.status = CAM_REQ_CMP;
1105         xpt_done(ccb);
1106 }
1107
1108 static void
1109 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1110 {
1111         tstate_t *tptr = NULL;
1112         int bus;
1113         target_id_t target;
1114         lun_id_t lun;
1115
1116         bus = XS_CHANNEL(ccb);
1117         target = ccb->ccb_h.target_id;
1118         lun = ccb->ccb_h.target_lun;
1119         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1120             "disabling lun %jx\n", (uintmax_t)lun);
1121         if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1122                 ccb->ccb_h.status = CAM_LUN_INVALID;
1123                 xpt_done(ccb);
1124                 return;
1125         }
1126
1127         /* Find the state pointer. */
1128         if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1129                 ccb->ccb_h.status = CAM_PATH_INVALID;
1130                 xpt_done(ccb);
1131                 return;
1132         }
1133
1134         destroy_lun_state(isp, bus, tptr);
1135         ccb->ccb_h.status = CAM_REQ_CMP;
1136         xpt_done(ccb);
1137 }
1138
1139 static void
1140 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1141 {
1142         int fctape, sendstatus, resid;
1143         fcparam *fcp;
1144         atio_private_data_t *atp;
1145         struct ccb_scsiio *cso;
1146         struct isp_ccbq *waitq;
1147         uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1148         uint8_t local[QENTRY_LEN];
1149
1150         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,
1151             (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1152
1153         ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq);
1154         switch (how) {
1155         case FROM_CAM:
1156                 /*
1157                  * Insert at the tail of the list, if any, waiting CTIO CCBs
1158                  */
1159                 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, periph_links.tqe);
1160                 break;
1161         case FROM_TIMER:
1162         case FROM_SRR:
1163         case FROM_CTIO_DONE:
1164                 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1165                 break;
1166         }
1167
1168         while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) {
1169                 TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe);
1170
1171                 cso = &ccb->csio;
1172                 xfrlen = cso->dxfer_len;
1173                 if (xfrlen == 0) {
1174                         if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1175                                 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1176                                 ccb->ccb_h.status = CAM_REQ_INVALID;
1177                                 xpt_done(ccb);
1178                                 continue;
1179                         }
1180                 }
1181
1182                 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id);
1183                 if (atp == NULL) {
1184                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1185                         isp_dump_atpd(isp, XS_CHANNEL(ccb));
1186                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1187                         xpt_done(ccb);
1188                         continue;
1189                 }
1190
1191                 /*
1192                  * Is this command a dead duck?
1193                  */
1194                 if (atp->dead) {
1195                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1196                         ccb->ccb_h.status = CAM_REQ_ABORTED;
1197                         xpt_done(ccb);
1198                         continue;
1199                 }
1200
1201                 /*
1202                  * Check to make sure we're still in target mode.
1203                  */
1204                 fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1205                 if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1206                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1207                         ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1208                         xpt_done(ccb);
1209                         continue;
1210                 }
1211
1212                 /*
1213                  * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1214                  * could be split into two CTIOs to split data and status).
1215                  */
1216                 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1217                         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);
1218                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1219                         break;
1220                 }
1221
1222                 /*
1223                  * Does the initiator expect FC-Tape style responses?
1224                  */
1225                 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1226                         fctape = 1;
1227                 } else {
1228                         fctape = 0;
1229                 }
1230
1231                 /*
1232                  * If we already did the data xfer portion of a CTIO that sends data
1233                  * and status, don't do it again and do the status portion now.
1234                  */
1235                 if (atp->sendst) {
1236                         isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1237                             cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1238                         xfrlen = 0;     /* we already did the data transfer */
1239                         atp->sendst = 0;
1240                 }
1241                 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1242                         sendstatus = 1;
1243                 } else {
1244                         sendstatus = 0;
1245                 }
1246
1247                 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1248                         KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1249                         /*
1250                          * Sense length is not the entire sense data structure size. Periph
1251                          * drivers don't seem to be setting sense_len to reflect the actual
1252                          * size. We'll peek inside to get the right amount.
1253                          */
1254                         sense_length = cso->sense_len;
1255
1256                         /*
1257                          * This 'cannot' happen
1258                          */
1259                         if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1260                                 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1261                         }
1262                 } else {
1263                         sense_length = 0;
1264                 }
1265
1266                 memset(local, 0, QENTRY_LEN);
1267
1268                 /*
1269                  * Check for overflow
1270                  */
1271                 tmp = atp->bytes_xfered + atp->bytes_in_transit;
1272                 if (xfrlen > 0 && tmp > atp->orig_datalen) {
1273                         isp_prt(isp, ISP_LOGERR,
1274                             "%s: [0x%x] data overflow by %u bytes", __func__,
1275                             cso->tag_id, tmp + xfrlen - atp->orig_datalen);
1276                         ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1277                         xpt_done(ccb);
1278                         continue;
1279                 }
1280                 if (xfrlen > atp->orig_datalen - tmp) {
1281                         xfrlen = atp->orig_datalen - tmp;
1282                         if (xfrlen == 0 && !sendstatus) {
1283                                 cso->resid = cso->dxfer_len;
1284                                 ccb->ccb_h.status = CAM_REQ_CMP;
1285                                 xpt_done(ccb);
1286                                 continue;
1287                         }
1288                 }
1289
1290                 if (IS_24XX(isp)) {
1291                         ct7_entry_t *cto = (ct7_entry_t *) local;
1292
1293                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1294                         cto->ct_header.rqs_entry_count = 1;
1295                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1296                         ATPD_SET_SEQNO(cto, atp);
1297                         cto->ct_nphdl = atp->nphdl;
1298                         cto->ct_rxid = atp->tag;
1299                         cto->ct_iid_lo = atp->sid;
1300                         cto->ct_iid_hi = atp->sid >> 16;
1301                         cto->ct_oxid = atp->oxid;
1302                         cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1303                         cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000;
1304                         cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1305
1306                         /*
1307                          * Mode 1, status, no data. Only possible when we are sending status, have
1308                          * no data to transfer, and any sense data can fit into a ct7_entry_t.
1309                          *
1310                          * Mode 2, status, no data. We have to use this in the case that
1311                          * the sense data won't fit into a ct7_entry_t.
1312                          *
1313                          */
1314                         if (sendstatus && xfrlen == 0) {
1315                                 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1316                                 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1317                                 if (sense_length <= MAXRESPLEN_24XX) {
1318                                         cto->ct_flags |= CT7_FLAG_MODE1;
1319                                         cto->ct_scsi_status = cso->scsi_status;
1320                                         if (resid < 0) {
1321                                                 cto->ct_resid = -resid;
1322                                                 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1323                                         } else if (resid > 0) {
1324                                                 cto->ct_resid = resid;
1325                                                 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1326                                         }
1327                                         if (fctape) {
1328                                                 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1329                                         }
1330                                         if (sense_length) {
1331                                                 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1332                                                 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1333                                                 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1334                                         }
1335                                 } else {
1336                                         bus_addr_t addr;
1337                                         char buf[XCMD_SIZE];
1338                                         fcp_rsp_iu_t *rp;
1339
1340                                         if (atp->ests == NULL) {
1341                                                 atp->ests = isp_get_ecmd(isp);
1342                                                 if (atp->ests == NULL) {
1343                                                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1344                                                         break;
1345                                                 }
1346                                         }
1347                                         memset(buf, 0, sizeof (buf));
1348                                         rp = (fcp_rsp_iu_t *)buf;
1349                                         if (fctape) {
1350                                                 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1351                                                 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1352                                         }
1353                                         cto->ct_flags |= CT7_FLAG_MODE2;
1354                                         rp->fcp_rsp_scsi_status = cso->scsi_status;
1355                                         if (resid < 0) {
1356                                                 rp->fcp_rsp_resid = -resid;
1357                                                 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1358                                         } else if (resid > 0) {
1359                                                 rp->fcp_rsp_resid = resid;
1360                                                 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1361                                         }
1362                                         if (sense_length) {
1363                                                 rp->fcp_rsp_snslen = sense_length;
1364                                                 cto->ct_senselen = sense_length;
1365                                                 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1366                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1367                                                 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1368                                         } else {
1369                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1370                                         }
1371                                         if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1372                                                 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1373                                         }
1374                                         addr = isp->isp_osinfo.ecmd_dma;
1375                                         addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1376                                         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,
1377                                             (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1378                                         cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1379                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1380                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1381                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1382                                 }
1383                                 if (sense_length) {
1384                                         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__,
1385                                             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,
1386                                             cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1387                                 } else {
1388                                         isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1389                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1390                                 }
1391                                 atp->state = ATPD_STATE_LAST_CTIO;
1392                         }
1393
1394                         /*
1395                          * Mode 0 data transfers, *possibly* with status.
1396                          */
1397                         if (xfrlen != 0) {
1398                                 cto->ct_flags |= CT7_FLAG_MODE0;
1399                                 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1400                                         cto->ct_flags |= CT7_DATA_IN;
1401                                 } else {
1402                                         cto->ct_flags |= CT7_DATA_OUT;
1403                                 }
1404
1405                                 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1406                                 cto->rsp.m0.ct_xfrlen = xfrlen;
1407
1408 #ifdef  DEBUG
1409                                 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1410                                         isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1411                                         ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1412                                         cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1413                                 }
1414 #endif
1415                                 if (sendstatus) {
1416                                         resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1417                                         if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1418                                                 cto->ct_flags |= CT7_SENDSTATUS;
1419                                                 atp->state = ATPD_STATE_LAST_CTIO;
1420                                                 if (fctape) {
1421                                                         cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1422                                                 }
1423                                         } else {
1424                                                 atp->sendst = 1;        /* send status later */
1425                                                 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1426                                                 atp->state = ATPD_STATE_CTIO;
1427                                         }
1428                                 } else {
1429                                         atp->state = ATPD_STATE_CTIO;
1430                                 }
1431                                 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__,
1432                                     cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1433                         }
1434                 } else {
1435                         ct2_entry_t *cto = (ct2_entry_t *) local;
1436
1437                         if (isp->isp_osinfo.sixtyfourbit)
1438                                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3;
1439                         else
1440                                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1441                         cto->ct_header.rqs_entry_count = 1;
1442                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1443                         ATPD_SET_SEQNO(cto, atp);
1444                         if (ISP_CAP_2KLOGIN(isp)) {
1445                                 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl;
1446                         } else {
1447                                 cto->ct_iid = atp->nphdl;
1448                                 if (ISP_CAP_SCCFW(isp) == 0) {
1449                                         cto->ct_lun = ccb->ccb_h.target_lun;
1450                                 }
1451                         }
1452                         cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000;
1453                         cto->ct_rxid = cso->tag_id;
1454
1455                         /*
1456                          * Mode 1, status, no data. Only possible when we are sending status, have
1457                          * no data to transfer, and the sense length can fit in the ct7_entry.
1458                          *
1459                          * Mode 2, status, no data. We have to use this in the case the response
1460                          * length won't fit into a ct2_entry_t.
1461                          *
1462                          * We'll fill out this structure with information as if this were a
1463                          * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1464                          * needed based upon this.
1465                          */
1466                         if (sendstatus && xfrlen == 0) {
1467                                 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1468                                 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1469                                 if (sense_length <= MAXRESPLEN) {
1470                                         if (resid < 0) {
1471                                                 cto->ct_resid = -resid;
1472                                         } else if (resid > 0) {
1473                                                 cto->ct_resid = resid;
1474                                         }
1475                                         cto->ct_flags |= CT2_FLAG_MODE1;
1476                                         cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1477                                         if (resid < 0) {
1478                                                 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1479                                         } else if (resid > 0) {
1480                                                 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1481                                         }
1482                                         if (fctape) {
1483                                                 cto->ct_flags |= CT2_CONFIRM;
1484                                         }
1485                                         if (sense_length) {
1486                                                 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1487                                                 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1488                                                 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1489                                         }
1490                                 } else {
1491                                         bus_addr_t addr;
1492                                         char buf[XCMD_SIZE];
1493                                         fcp_rsp_iu_t *rp;
1494
1495                                         if (atp->ests == NULL) {
1496                                                 atp->ests = isp_get_ecmd(isp);
1497                                                 if (atp->ests == NULL) {
1498                                                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1499                                                         break;
1500                                                 }
1501                                         }
1502                                         memset(buf, 0, sizeof (buf));
1503                                         rp = (fcp_rsp_iu_t *)buf;
1504                                         if (fctape) {
1505                                                 cto->ct_flags |= CT2_CONFIRM;
1506                                                 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1507                                         }
1508                                         cto->ct_flags |= CT2_FLAG_MODE2;
1509                                         rp->fcp_rsp_scsi_status = cso->scsi_status;
1510                                         if (resid < 0) {
1511                                                 rp->fcp_rsp_resid = -resid;
1512                                                 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1513                                         } else if (resid > 0) {
1514                                                 rp->fcp_rsp_resid = resid;
1515                                                 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1516                                         }
1517                                         if (sense_length) {
1518                                                 rp->fcp_rsp_snslen = sense_length;
1519                                                 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1520                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1521                                                 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1522                                         } else {
1523                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1524                                         }
1525                                         if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1526                                                 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1527                                         }
1528                                         addr = isp->isp_osinfo.ecmd_dma;
1529                                         addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1530                                         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,
1531                                             (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1532                                         cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1533                                         if (isp->isp_osinfo.sixtyfourbit) {
1534                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr);
1535                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr);
1536                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1537                                         } else {
1538                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1539                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1540                                         }
1541                                 }
1542                                 if (sense_length) {
1543                                         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__,
1544                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1545                                             cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1546                                 } else {
1547                                         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,
1548                                             ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1549                                 }
1550                                 atp->state = ATPD_STATE_LAST_CTIO;
1551                         }
1552
1553                         if (xfrlen != 0) {
1554                                 cto->ct_flags |= CT2_FLAG_MODE0;
1555                                 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1556                                         cto->ct_flags |= CT2_DATA_IN;
1557                                 } else {
1558                                         cto->ct_flags |= CT2_DATA_OUT;
1559                                 }
1560
1561                                 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
1562                                 cto->rsp.m0.ct_xfrlen = xfrlen;
1563
1564                                 if (sendstatus) {
1565                                         resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1566                                         if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
1567                                                 cto->ct_flags |= CT2_SENDSTATUS;
1568                                                 atp->state = ATPD_STATE_LAST_CTIO;
1569                                                 if (fctape) {
1570                                                         cto->ct_flags |= CT2_CONFIRM;
1571                                                 }
1572                                         } else {
1573                                                 atp->sendst = 1;        /* send status later */
1574                                                 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1575                                                 atp->state = ATPD_STATE_CTIO;
1576                                         }
1577                                 } else {
1578                                         atp->state = ATPD_STATE_CTIO;
1579                                 }
1580                         }
1581                         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,
1582                             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);
1583                 }
1584
1585                 if (isp_get_pcmd(isp, ccb)) {
1586                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
1587                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1588                         break;
1589                 }
1590                 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET);
1591                 if (handle == 0) {
1592                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
1593                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1594                         isp_free_pcmd(isp, ccb);
1595                         break;
1596                 }
1597                 atp->bytes_in_transit += xfrlen;
1598                 PISP_PCMD(ccb)->datalen = xfrlen;
1599
1600
1601                 /*
1602                  * Call the dma setup routines for this entry (and any subsequent
1603                  * CTIOs) if there's data to move, and then tell the f/w it's got
1604                  * new things to play with. As with isp_start's usage of DMA setup,
1605                  * any swizzling is done in the machine dependent layer. Because
1606                  * of this, we put the request onto the queue area first in native
1607                  * format.
1608                  */
1609
1610                 if (IS_24XX(isp)) {
1611                         ct7_entry_t *cto = (ct7_entry_t *) local;
1612                         cto->ct_syshandle = handle;
1613                 } else {
1614                         ct2_entry_t *cto = (ct2_entry_t *) local;
1615                         cto->ct_syshandle = handle;
1616                 }
1617
1618                 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
1619                 if (dmaresult != CMD_QUEUED) {
1620                         isp_destroy_handle(isp, handle);
1621                         isp_free_pcmd(isp, ccb);
1622                         if (dmaresult == CMD_EAGAIN) {
1623                                 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1624                                 break;
1625                         }
1626                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1627                         xpt_done(ccb);
1628                         continue;
1629                 }
1630                 isp->isp_nactive++;
1631                 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
1632                 if (xfrlen) {
1633                         ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
1634                 } else {
1635                         ccb->ccb_h.spriv_field0 = ~0;
1636                 }
1637                 atp->ctcnt++;
1638                 atp->seqno++;
1639         }
1640 }
1641
1642 static void
1643 isp_refire_putback_atio(void *arg)
1644 {
1645         union ccb *ccb = arg;
1646
1647         ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb));
1648         isp_target_putback_atio(ccb);
1649 }
1650
1651 static void
1652 isp_refire_notify_ack(void *arg)
1653 {
1654         isp_tna_t *tp  = arg;
1655         ispsoftc_t *isp = tp->isp;
1656
1657         ISP_ASSERT_LOCKED(isp);
1658         if (isp_notify_ack(isp, tp->not)) {
1659                 callout_schedule(&tp->timer, 5);
1660         } else {
1661                 free(tp, M_DEVBUF);
1662         }
1663 }
1664
1665
1666 static void
1667 isp_target_putback_atio(union ccb *ccb)
1668 {
1669         ispsoftc_t *isp;
1670         struct ccb_scsiio *cso;
1671         void *qe;
1672         at2_entry_t local, *at = &local;
1673
1674         isp = XS_ISP(ccb);
1675
1676         qe = isp_getrqentry(isp);
1677         if (qe == NULL) {
1678                 xpt_print(ccb->ccb_h.path,
1679                     "%s: Request Queue Overflow\n", __func__);
1680                 callout_reset(&PISP_PCMD(ccb)->wdog, 10,
1681                     isp_refire_putback_atio, ccb);
1682                 return;
1683         }
1684         memset(qe, 0, QENTRY_LEN);
1685         cso = &ccb->csio;
1686         ISP_MEMZERO(at, sizeof (at2_entry_t));
1687         at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1688         at->at_header.rqs_entry_count = 1;
1689         if (ISP_CAP_SCCFW(isp)) {
1690                 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1691         } else {
1692                 at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1693         }
1694         at->at_status = CT_OK;
1695         at->at_rxid = cso->tag_id;
1696         at->at_iid = cso->ccb_h.target_id;
1697         isp_put_atio2(isp, at, qe);
1698         ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe);
1699         ISP_SYNC_REQUEST(isp);
1700         isp_complete_ctio(ccb);
1701 }
1702
1703 static void
1704 isp_complete_ctio(union ccb *ccb)
1705 {
1706         if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1707                 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1708                 xpt_done(ccb);
1709         }
1710 }
1711
1712 static void
1713 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1714 {
1715         fcparam *fcp;
1716         lun_id_t lun;
1717         fcportdb_t *lp;
1718         tstate_t *tptr;
1719         struct ccb_accept_tio *atiop;
1720         uint16_t nphdl;
1721         atio_private_data_t *atp;
1722         inot_private_data_t *ntp;
1723
1724         /*
1725          * The firmware status (except for the QLTM_SVALID bit)
1726          * indicates why this ATIO was sent to us.
1727          *
1728          * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1729          */
1730         if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1731                 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
1732                 isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0);
1733                 return;
1734         }
1735
1736         fcp = FCPARAM(isp, 0);
1737         if (ISP_CAP_SCCFW(isp)) {
1738                 lun = aep->at_scclun;
1739         } else {
1740                 lun = aep->at_lun;
1741         }
1742         if (ISP_CAP_2KLOGIN(isp)) {
1743                 nphdl = ((at2e_entry_t *)aep)->at_iid;
1744         } else {
1745                 nphdl = aep->at_iid;
1746         }
1747         tptr = get_lun_statep(isp, 0, lun);
1748         if (tptr == NULL) {
1749                 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1750                 if (tptr == NULL) {
1751                         isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun);
1752                         if (lun == 0) {
1753                                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1754                         } else {
1755                                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1756                         }
1757                         return;
1758                 }
1759         }
1760
1761         /*
1762          * Start any commands pending resources first.
1763          */
1764         if (isp_atio_restart(isp, 0, tptr))
1765                 goto noresrc;
1766
1767         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1768         if (atiop == NULL) {
1769                 goto noresrc;
1770         }
1771
1772         atp = isp_get_atpd(isp, 0, aep->at_rxid);
1773         if (atp == NULL) {
1774                 goto noresrc;
1775         }
1776
1777         atp->state = ATPD_STATE_ATIO;
1778         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1779         tptr->atio_count--;
1780         isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count);
1781         atiop->ccb_h.target_id = fcp->isp_loopid;
1782         atiop->ccb_h.target_lun = lun;
1783
1784         /*
1785          * We don't get 'suggested' sense data as we do with SCSI cards.
1786          */
1787         atiop->sense_len = 0;
1788
1789         /*
1790          * If we're not in the port database, add ourselves.
1791          */
1792         if (IS_2100(isp))
1793                 atiop->init_id = nphdl;
1794         else {
1795                 if ((isp_find_pdb_by_handle(isp, 0, nphdl, &lp) == 0 ||
1796                      lp->state == FC_PORTDB_STATE_ZOMBIE)) {
1797                         uint64_t wwpn =
1798                                 (((uint64_t) aep->at_wwpn[0]) << 48) |
1799                                 (((uint64_t) aep->at_wwpn[1]) << 32) |
1800                                 (((uint64_t) aep->at_wwpn[2]) << 16) |
1801                                 (((uint64_t) aep->at_wwpn[3]) <<  0);
1802                         isp_add_wwn_entry(isp, 0, wwpn, INI_NONE,
1803                             nphdl, PORT_ANY, 0);
1804                         if (fcp->isp_loopstate > LOOP_LTEST_DONE)
1805                                 fcp->isp_loopstate = LOOP_LTEST_DONE;
1806                         isp_async(isp, ISPASYNC_CHANGE_NOTIFY, 0,
1807                             ISPASYNC_CHANGE_PDB, nphdl, 0x06, 0xff);
1808                         isp_find_pdb_by_handle(isp, 0, nphdl, &lp);
1809                 }
1810                 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp);
1811         }
1812         atiop->cdb_len = ATIO2_CDBLEN;
1813         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1814         atiop->ccb_h.status = CAM_CDB_RECVD;
1815         atiop->tag_id = atp->tag;
1816         switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1817         case ATIO2_TC_ATTR_SIMPLEQ:
1818                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1819                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1820                 break;
1821         case ATIO2_TC_ATTR_HEADOFQ:
1822                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1823                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1824                 break;
1825         case ATIO2_TC_ATTR_ORDERED:
1826                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1827                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1828                 break;
1829         case ATIO2_TC_ATTR_ACAQ:                /* ?? */
1830         case ATIO2_TC_ATTR_UNTAGGED:
1831         default:
1832                 atiop->tag_action = 0;
1833                 break;
1834         }
1835
1836         atp->orig_datalen = aep->at_datalen;
1837         atp->bytes_xfered = 0;
1838         atp->lun = lun;
1839         atp->nphdl = nphdl;
1840         atp->sid = PORT_ANY;
1841         atp->oxid = aep->at_oxid;
1842         atp->cdb0 = aep->at_cdb[0];
1843         atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
1844         atp->state = ATPD_STATE_CAM;
1845         xpt_done((union ccb *)atiop);
1846         isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %jx datalen %u", aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
1847         return;
1848 noresrc:
1849         ntp = isp_get_ntpd(isp, 0);
1850         if (ntp == NULL) {
1851                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1852                 return;
1853         }
1854         memcpy(ntp->data, aep, QENTRY_LEN);
1855         STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
1856 }
1857
1858 static void
1859 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
1860 {
1861         int cdbxlen;
1862         lun_id_t lun;
1863         uint16_t chan, nphdl = NIL_HANDLE;
1864         uint32_t did, sid;
1865         fcportdb_t *lp;
1866         tstate_t *tptr;
1867         struct ccb_accept_tio *atiop;
1868         atio_private_data_t *atp = NULL;
1869         atio_private_data_t *oatp;
1870         inot_private_data_t *ntp;
1871
1872         did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
1873         sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
1874         lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun));
1875
1876         /*
1877          * Find the N-port handle, and Virtual Port Index for this command.
1878          *
1879          * If we can't, we're somewhat in trouble because we can't actually respond w/o that information.
1880          * We also, as a matter of course, need to know the WWN of the initiator too.
1881          */
1882         if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) {
1883                 /*
1884                  * Find the right channel based upon D_ID
1885                  */
1886                 isp_find_chan_by_did(isp, did, &chan);
1887
1888                 if (chan == ISP_NOCHAN) {
1889                         NANOTIME_T now;
1890
1891                         /*
1892                          * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup
1893                          * It's a bit tricky here as we need to stash this command *somewhere*.
1894                          */
1895                         GET_NANOTIME(&now);
1896                         if (NANOTIME_SUB(&now, &isp->isp_init_time) > 2000000000ULL) {
1897                                 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did);
1898                                 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
1899                                 return;
1900                         }
1901                         tptr = get_lun_statep(isp, 0, 0);
1902                         if (tptr == NULL) {
1903                                 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1904                                 if (tptr == NULL) {
1905                                         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);
1906                                         isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
1907                                         return;
1908                                 }
1909                         }
1910                         isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did);
1911                         goto noresrc;
1912                 }
1913                 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);
1914         } else {
1915                 chan = 0;
1916         }
1917
1918         /*
1919          * Find the PDB entry for this initiator
1920          */
1921         if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) {
1922                 /*
1923                  * If we're not in the port database terminate the exchange.
1924                  */
1925                 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",
1926                     __func__, aep->at_rxid, did, chan, sid);
1927                 isp_dump_portdb(isp, chan);
1928                 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
1929                 return;
1930         }
1931         nphdl = lp->handle;
1932
1933         /*
1934          * Get the tstate pointer
1935          */
1936         tptr = get_lun_statep(isp, chan, lun);
1937         if (tptr == NULL) {
1938                 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
1939                 if (tptr == NULL) {
1940                         isp_prt(isp, ISP_LOGWARN,
1941                             "%s: [0x%x] no state pointer for lun %jx or wildcard",
1942                             __func__, aep->at_rxid, (uintmax_t)lun);
1943                         if (lun == 0) {
1944                                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
1945                         } else {
1946                                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1947                         }
1948                         return;
1949                 }
1950         }
1951
1952         /*
1953          * Start any commands pending resources first.
1954          */
1955         if (isp_atio_restart(isp, chan, tptr))
1956                 goto noresrc;
1957
1958         /*
1959          * If the f/w is out of resources, just send a BUSY status back.
1960          */
1961         if (aep->at_rxid == AT7_NORESRC_RXID) {
1962                 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
1963                 return;
1964         }
1965
1966         /*
1967          * If we're out of resources, just send a BUSY status back.
1968          */
1969         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1970         if (atiop == NULL) {
1971                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
1972                 goto noresrc;
1973         }
1974
1975         oatp = isp_find_atpd(isp, chan, aep->at_rxid);
1976         if (oatp) {
1977                 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",
1978                     aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
1979                 /*
1980                  * It's not a "no resource" condition- but we can treat it like one
1981                  */
1982                 goto noresrc;
1983         }
1984         atp = isp_get_atpd(isp, chan, aep->at_rxid);
1985         if (atp == NULL) {
1986                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
1987                 goto noresrc;
1988         }
1989         atp->word3 = lp->prli_word3;
1990         atp->state = ATPD_STATE_ATIO;
1991         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1992         tptr->atio_count--;
1993         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
1994         atiop->init_id = FC_PORTDB_TGT(isp, chan, lp);
1995         atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
1996         atiop->ccb_h.target_lun = lun;
1997         atiop->sense_len = 0;
1998         cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
1999         if (cdbxlen) {
2000                 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
2001         }
2002         cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
2003         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
2004         atiop->cdb_len = cdbxlen;
2005         atiop->ccb_h.status = CAM_CDB_RECVD;
2006         atiop->tag_id = atp->tag;
2007         switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
2008         case FCP_CMND_TASK_ATTR_SIMPLE:
2009                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2010                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
2011                 break;
2012         case FCP_CMND_TASK_ATTR_HEAD:
2013                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2014                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2015                 break;
2016         case FCP_CMND_TASK_ATTR_ORDERED:
2017                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2018                 atiop->tag_action = MSG_ORDERED_Q_TAG;
2019                 break;
2020         default:
2021                 /* FALLTHROUGH */
2022         case FCP_CMND_TASK_ATTR_ACA:
2023         case FCP_CMND_TASK_ATTR_UNTAGGED:
2024                 atiop->tag_action = 0;
2025                 break;
2026         }
2027         atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
2028         atp->bytes_xfered = 0;
2029         atp->lun = lun;
2030         atp->nphdl = nphdl;
2031         atp->sid = sid;
2032         atp->did = did;
2033         atp->oxid = aep->at_hdr.ox_id;
2034         atp->rxid = aep->at_hdr.rx_id;
2035         atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2036         atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
2037         atp->state = ATPD_STATE_CAM;
2038         isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u",
2039             aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
2040         xpt_done((union ccb *)atiop);
2041         return;
2042 noresrc:
2043         if (atp)
2044                 isp_put_atpd(isp, chan, atp);
2045         ntp = isp_get_ntpd(isp, chan);
2046         if (ntp == NULL) {
2047                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2048                 return;
2049         }
2050         memcpy(ntp->data, aep, QENTRY_LEN);
2051         STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
2052 }
2053
2054
2055 /*
2056  * Handle starting an SRR (sequence retransmit request)
2057  * We get here when we've gotten the immediate notify
2058  * and the return of all outstanding CTIOs for this
2059  * transaction.
2060  */
2061 static void
2062 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp)
2063 {
2064         in_fcentry_24xx_t *inot;
2065         uint32_t srr_off, ccb_off, ccb_len, ccb_end;
2066         union ccb *ccb;
2067
2068         inot = (in_fcentry_24xx_t *)atp->srr;
2069         srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
2070         ccb = atp->srr_ccb;
2071         atp->srr_ccb = NULL;
2072         atp->nsrr++;
2073         if (ccb == NULL) {
2074                 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
2075                 goto fail;
2076         }
2077
2078         ccb_off = ccb->ccb_h.spriv_field0;
2079         ccb_len = ccb->csio.dxfer_len;
2080         ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
2081
2082         switch (inot->in_srr_iu) {
2083         case R_CTL_INFO_SOLICITED_DATA:
2084                 /*
2085                  * We have to restart a FCP_DATA data out transaction
2086                  */
2087                 atp->sendst = 0;
2088                 atp->bytes_xfered = srr_off;
2089                 if (ccb_len == 0) {
2090                         isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
2091                         goto mdp;
2092                 }
2093                 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
2094                         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);
2095                         goto mdp;
2096                 }
2097                 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);
2098                 break;
2099         case R_CTL_INFO_COMMAND_STATUS:
2100                 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
2101                 atp->sendst = 1;
2102                 /*
2103                  * We have to restart a FCP_RSP IU transaction
2104                  */
2105                 break;
2106         case R_CTL_INFO_DATA_DESCRIPTOR:
2107                 /*
2108                  * We have to restart an FCP DATA in transaction
2109                  */
2110                 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
2111                 goto fail;
2112
2113         default:
2114                 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
2115                 goto fail;
2116         }
2117
2118         /*
2119          * We can't do anything until this is acked, so we might as well start it now.
2120          * We aren't going to do the usual asynchronous ack issue because we need
2121          * to make sure this gets on the wire first.
2122          */
2123         if (isp_notify_ack(isp, inot)) {
2124                 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2125                 goto fail;
2126         }
2127         isp_target_start_ctio(isp, ccb, FROM_SRR);
2128         return;
2129 fail:
2130         inot->in_reserved = 1;
2131         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2132         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2133         ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2134         isp_complete_ctio(ccb);
2135         return;
2136 mdp:
2137         if (isp_notify_ack(isp, inot)) {
2138                 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2139                 goto fail;
2140         }
2141         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2142         ccb->ccb_h.status = CAM_MESSAGE_RECV;
2143         /*
2144          * This is not a strict interpretation of MDP, but it's close
2145          */
2146         ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2147         ccb->csio.msg_len = 7;
2148         ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2149         ccb->csio.msg_ptr[1] = 5;
2150         ccb->csio.msg_ptr[2] = 0;       /* modify data pointer */
2151         ccb->csio.msg_ptr[3] = srr_off >> 24;
2152         ccb->csio.msg_ptr[4] = srr_off >> 16;
2153         ccb->csio.msg_ptr[5] = srr_off >> 8;
2154         ccb->csio.msg_ptr[6] = srr_off;
2155         isp_complete_ctio(ccb);
2156 }
2157
2158
2159 static void
2160 isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw)
2161 {
2162         in_fcentry_24xx_t *inot = inot_raw;
2163         atio_private_data_t *atp;
2164         uint32_t tag = inot->in_rxid;
2165         uint32_t bus = inot->in_vpidx;
2166
2167         if (!IS_24XX(isp)) {
2168                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw);
2169                 return;
2170         }
2171
2172         atp = isp_find_atpd(isp, bus, tag);
2173         if (atp == NULL) {
2174                 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag);
2175                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2176                 return;
2177         }
2178         atp->srr_notify_rcvd = 1;
2179         memcpy(atp->srr, inot, sizeof (atp->srr));
2180         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,
2181             inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16));
2182         if (atp->srr_ccb)
2183                 isp_handle_srr_start(isp, atp);
2184 }
2185
2186 static void
2187 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2188 {
2189         union ccb *ccb;
2190         int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0;
2191         atio_private_data_t *atp = NULL;
2192         int bus;
2193         uint32_t handle, data_requested, resid;
2194
2195         handle = ((ct2_entry_t *)arg)->ct_syshandle;
2196         ccb = isp_find_xs(isp, handle);
2197         if (ccb == NULL) {
2198                 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2199                 return;
2200         }
2201         isp_destroy_handle(isp, handle);
2202         resid = data_requested = PISP_PCMD(ccb)->datalen;
2203         isp_free_pcmd(isp, ccb);
2204         if (isp->isp_nactive) {
2205                 isp->isp_nactive--;
2206         }
2207
2208         bus = XS_CHANNEL(ccb);
2209         if (IS_24XX(isp)) {
2210                 atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid);
2211         } else {
2212                 atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid);
2213         }
2214         if (atp == NULL) {
2215                 /*
2216                  * XXX: isp_clear_commands() generates fake CTIO with zero
2217                  * ct_rxid value, filling only ct_syshandle.  Workaround
2218                  * that using tag_id from the CCB, pointed by ct_syshandle.
2219                  */
2220                 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id);
2221         }
2222         if (atp == NULL) {
2223                 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2224                 return;
2225         }
2226         KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2227         atp->bytes_in_transit -= data_requested;
2228         atp->ctcnt -= 1;
2229         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2230
2231         if (IS_24XX(isp)) {
2232                 ct7_entry_t *ct = arg;
2233
2234                 if (ct->ct_nphdl == CT7_SRR) {
2235                         atp->srr_ccb = ccb;
2236                         if (atp->srr_notify_rcvd)
2237                                 isp_handle_srr_start(isp, atp);
2238                         return;
2239                 }
2240                 if (ct->ct_nphdl == CT_HBA_RESET) {
2241                         sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2242                             (atp->sendst == 0);
2243                         failure = CAM_UNREC_HBA_ERROR;
2244                 } else {
2245                         sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2246                         ok = (ct->ct_nphdl == CT7_OK);
2247                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2248                         if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA)
2249                                 resid = ct->ct_resid;
2250                 }
2251                 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),
2252                    notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2253         } else {
2254                 ct2_entry_t *ct = arg;
2255                 if (ct->ct_status == CT_SRR) {
2256                         atp->srr_ccb = ccb;
2257                         if (atp->srr_notify_rcvd)
2258                                 isp_handle_srr_start(isp, atp);
2259                         isp_target_putback_atio(ccb);
2260                         return;
2261                 }
2262                 if (ct->ct_status == CT_HBA_RESET) {
2263                         sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2264                             (atp->sendst == 0);
2265                         failure = CAM_UNREC_HBA_ERROR;
2266                 } else {
2267                         sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2268                         ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2269                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2270                         if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA)
2271                                 resid = ct->ct_resid;
2272                 }
2273                 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),
2274                     notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2275         }
2276         if (ok) {
2277                 if (data_requested > 0) {
2278                         atp->bytes_xfered += data_requested - resid;
2279                         ccb->csio.resid = ccb->csio.dxfer_len -
2280                             (data_requested - resid);
2281                 }
2282                 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE))
2283                         ccb->ccb_h.status |= CAM_SENT_SENSE;
2284                 ccb->ccb_h.status |= CAM_REQ_CMP;
2285         } else {
2286                 notify_cam = 1;
2287                 if (failure == CAM_UNREC_HBA_ERROR)
2288                         ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2289                 else
2290                         ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2291         }
2292         atp->state = ATPD_STATE_PDON;
2293
2294         /*
2295          * We never *not* notify CAM when there has been any error (ok == 0),
2296          * so we never need to do an ATIO putback if we're not notifying CAM.
2297          */
2298         isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
2299             (sentstatus)? "  FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
2300         if (notify_cam == 0) {
2301                 if (atp->sendst) {
2302                         isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
2303                 }
2304                 return;
2305         }
2306
2307         /*
2308          * We are done with this ATIO if we successfully sent status.
2309          * In all other cases expect either another CTIO or XPT_ABORT.
2310          */
2311         if (ok && sentstatus)
2312                 isp_put_atpd(isp, bus, atp);
2313
2314         /*
2315          * We're telling CAM we're done with this CTIO transaction.
2316          *
2317          * 24XX cards never need an ATIO put back.
2318          *
2319          * Other cards need one put back only on error.
2320          * In the latter case, a timeout will re-fire
2321          * and try again in case we didn't have
2322          * queue resources to do so at first. In any case,
2323          * once the putback is done we do the completion
2324          * call.
2325          */
2326         if (ok || IS_24XX(isp)) {
2327                 isp_complete_ctio(ccb);
2328         } else {
2329                 isp_target_putback_atio(ccb);
2330         }
2331 }
2332
2333 static void
2334 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
2335 {
2336         int needack = 1;
2337         switch (inp->in_status) {
2338         case IN_PORT_LOGOUT:
2339                 /*
2340                  * XXX: Need to delete this initiator's WWN from the database
2341                  * XXX: Need to send this LOGOUT upstream
2342                  */
2343                 isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid);
2344                 break;
2345         case IN_PORT_CHANGED:
2346                 isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid);
2347                 break;
2348         case IN_GLOBAL_LOGO:
2349                 isp_del_all_wwn_entries(isp, 0);
2350                 isp_prt(isp, ISP_LOGINFO, "all ports logged out");
2351                 break;
2352         case IN_ABORT_TASK:
2353         {
2354                 uint16_t nphdl, lun;
2355                 uint32_t sid;
2356                 uint64_t wwn;
2357                 fcportdb_t *lp;
2358                 isp_notify_t tmp, *nt = &tmp;
2359
2360                 if (ISP_CAP_SCCFW(isp)) {
2361                         lun = inp->in_scclun;
2362                 } else {
2363                         lun = inp->in_lun;
2364                 }
2365                 if (ISP_CAP_2KLOGIN(isp)) {
2366                         nphdl = ((in_fcentry_e_t *)inp)->in_iid;
2367                 } else {
2368                         nphdl = inp->in_iid;
2369                 }
2370                 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) {
2371                         wwn = lp->port_wwn;
2372                         sid = lp->portid;
2373                 } else {
2374                         wwn = INI_ANY;
2375                         sid = PORT_ANY;
2376                 }
2377                 isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx",
2378                     inp->in_seqid, (unsigned long long) wwn);
2379
2380                 ISP_MEMZERO(nt, sizeof (isp_notify_t));
2381                 nt->nt_hba = isp;
2382                 nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn;
2383                 nt->nt_wwn = wwn;
2384                 nt->nt_nphdl = nphdl;
2385                 nt->nt_sid = sid;
2386                 nt->nt_did = PORT_ANY;
2387                 nt->nt_lun = lun;
2388                 nt->nt_tagval = inp->in_seqid;
2389                 nt->nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32);
2390                 nt->nt_need_ack = 1;
2391                 nt->nt_channel = 0;
2392                 nt->nt_ncode = NT_ABORT_TASK;
2393                 nt->nt_lreserved = inp;
2394                 isp_handle_platform_target_tmf(isp, nt);
2395                 needack = 0;
2396                 break;
2397         }
2398         default:
2399                 break;
2400         }
2401         if (needack) {
2402                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp);
2403         }
2404 }
2405
2406 static void
2407 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
2408 {
2409         uint16_t nphdl;
2410         uint16_t prli_options = 0;
2411         uint32_t portid;
2412         fcportdb_t *lp;
2413         char *msg = NULL;
2414         uint8_t *ptr = (uint8_t *)inot;
2415         uint64_t wwpn = INI_NONE, wwnn = INI_NONE;
2416
2417         nphdl = inot->in_nphdl;
2418         if (nphdl != NIL_HANDLE) {
2419                 portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
2420         } else {
2421                 portid = PORT_ANY;
2422         }
2423
2424         switch (inot->in_status) {
2425         case IN24XX_ELS_RCVD:
2426         {
2427                 char buf[16];
2428                 int chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
2429
2430                 /*
2431                  * Note that we're just getting notification that an ELS was received
2432                  * (possibly with some associated information sent upstream). This is
2433                  * *not* the same as being given the ELS frame to accept or reject.
2434                  */
2435                 switch (inot->in_status_subcode) {
2436                 case LOGO:
2437                         msg = "LOGO";
2438                         wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]);
2439                         isp_del_wwn_entry(isp, chan, wwpn, nphdl, portid);
2440                         break;
2441                 case PRLO:
2442                         msg = "PRLO";
2443                         break;
2444                 case PLOGI:
2445                         msg = "PLOGI";
2446                         wwnn = be64dec(&ptr[IN24XX_PLOGI_WWNN_OFF]);
2447                         wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]);
2448                         isp_add_wwn_entry(isp, chan, wwpn, wwnn,
2449                             nphdl, portid, prli_options);
2450                         break;
2451                 case PRLI:
2452                         msg = "PRLI";
2453                         prli_options = inot->in_prli_options;
2454                         if (inot->in_flags & IN24XX_FLAG_PN_NN_VALID)
2455                                 wwnn = be64dec(&ptr[IN24XX_PRLI_WWNN_OFF]);
2456                         wwpn = be64dec(&ptr[IN24XX_PRLI_WWPN_OFF]);
2457                         isp_add_wwn_entry(isp, chan, wwpn, wwnn,
2458                             nphdl, portid, prli_options);
2459                         break;
2460                 case PDISC:
2461                         msg = "PDISC";
2462                         break;
2463                 case ADISC:
2464                         msg = "ADISC";
2465                         break;
2466                 default:
2467                         ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode);
2468                         msg = buf;
2469                         break;
2470                 }
2471                 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
2472                         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);
2473                         break;
2474                 }
2475                 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,
2476                     inot->in_rxid, inot->in_oxid);
2477                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2478                 break;
2479         }
2480
2481         case IN24XX_PORT_LOGOUT:
2482                 msg = "PORT LOGOUT";
2483                 if (isp_find_pdb_by_handle(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) {
2484                         isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid);
2485                 }
2486                 /* FALLTHROUGH */
2487         case IN24XX_PORT_CHANGED:
2488                 if (msg == NULL)
2489                         msg = "PORT CHANGED";
2490                 /* FALLTHROUGH */
2491         case IN24XX_LIP_RESET:
2492                 if (msg == NULL)
2493                         msg = "LIP RESET";
2494                 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), msg, inot->in_status_subcode, nphdl);
2495
2496                 /*
2497                  * All subcodes here are irrelevant. What is relevant
2498                  * is that we need to terminate all active commands from
2499                  * this initiator (known by N-port handle).
2500                  */
2501                 /* XXX IMPLEMENT XXX */
2502                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2503                 break;
2504
2505         case IN24XX_SRR_RCVD:
2506 #ifdef  ISP_TARGET_MODE
2507                 isp_handle_srr_notify(isp, inot);
2508                 break;
2509 #else
2510                 if (msg == NULL)
2511                         msg = "SRR RCVD";
2512                 /* FALLTHROUGH */
2513 #endif
2514         case IN24XX_LINK_RESET:
2515                 if (msg == NULL)
2516                         msg = "LINK RESET";
2517         case IN24XX_LINK_FAILED:
2518                 if (msg == NULL)
2519                         msg = "LINK FAILED";
2520         default:
2521                 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), msg);
2522                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2523                 break;
2524         }
2525 }
2526
2527 static int
2528 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp)
2529 {
2530
2531         if (isp->isp_state != ISP_RUNSTATE) {
2532                 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
2533                 return (0);
2534         }
2535
2536         /*
2537          * This case is for a Task Management Function, which shows up as an ATIO7 entry.
2538          */
2539         if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
2540                 ct7_entry_t local, *cto = &local;
2541                 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
2542                 fcportdb_t *lp;
2543                 uint32_t sid;
2544                 uint16_t nphdl;
2545
2546                 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2547                 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) {
2548                         nphdl = lp->handle;
2549                 } else {
2550                         nphdl = NIL_HANDLE;
2551                 }
2552                 ISP_MEMZERO(&local, sizeof (local));
2553                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2554                 cto->ct_header.rqs_entry_count = 1;
2555                 cto->ct_nphdl = nphdl;
2556                 cto->ct_rxid = aep->at_rxid;
2557                 cto->ct_vpidx = mp->nt_channel;
2558                 cto->ct_iid_lo = sid;
2559                 cto->ct_iid_hi = sid >> 16;
2560                 cto->ct_oxid = aep->at_hdr.ox_id;
2561                 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
2562                 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
2563                 if (rsp != 0) {
2564                         cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8);
2565                         cto->rsp.m1.ct_resplen = 4;
2566                         ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp));
2567                         cto->rsp.m1.ct_resp[0] = rsp & 0xff;
2568                         cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff;
2569                         cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff;
2570                         cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff;
2571                 }
2572                 return (isp_target_put_entry(isp, &local));
2573         }
2574
2575         /*
2576          * This case is for a responding to an ABTS frame
2577          */
2578         if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2579
2580                 /*
2581                  * Overload nt_need_ack here to mark whether we've terminated the associated command.
2582                  */
2583                 if (mp->nt_need_ack) {
2584                         uint8_t storage[QENTRY_LEN];
2585                         ct7_entry_t *cto = (ct7_entry_t *) storage;
2586                         abts_t *abts = (abts_t *)mp->nt_lreserved;
2587
2588                         ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2589                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
2590                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2591                         cto->ct_header.rqs_entry_count = 1;
2592                         cto->ct_nphdl = mp->nt_nphdl;
2593                         cto->ct_rxid = abts->abts_rxid_task;
2594                         cto->ct_iid_lo = mp->nt_sid;
2595                         cto->ct_iid_hi = mp->nt_sid >> 16;
2596                         cto->ct_oxid = abts->abts_ox_id;
2597                         cto->ct_vpidx = mp->nt_channel;
2598                         cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2599                         if (isp_target_put_entry(isp, cto)) {
2600                                 return (ENOMEM);
2601                         }
2602                         mp->nt_need_ack = 0;
2603                 }
2604                 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
2605                         return (ENOMEM);
2606                 } else {
2607                         return (0);
2608                 }
2609         }
2610
2611         /*
2612          * Handle logout cases here
2613          */
2614         if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
2615                 isp_del_all_wwn_entries(isp, mp->nt_channel);
2616         }
2617
2618         if (mp->nt_ncode == NT_LOGOUT) {
2619                 if (!IS_2100(isp) && IS_FC(isp)) {
2620                         isp_del_wwn_entries(isp, mp);
2621                 }
2622         }
2623
2624         /*
2625          * General purpose acknowledgement
2626          */
2627         if (mp->nt_need_ack) {
2628                 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
2629                 /*
2630                  * Don't need to use the guaranteed send because the caller can retry
2631                  */
2632                 return (isp_notify_ack(isp, mp->nt_lreserved));
2633         }
2634         return (0);
2635 }
2636
2637 /*
2638  * Handle task management functions.
2639  *
2640  * We show up here with a notify structure filled out.
2641  *
2642  * The nt_lreserved tag points to the original queue entry
2643  */
2644 static void
2645 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
2646 {
2647         tstate_t *tptr;
2648         fcportdb_t *lp;
2649         struct ccb_immediate_notify *inot;
2650         inot_private_data_t *ntp = NULL;
2651         lun_id_t lun;
2652
2653         isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid  0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode,
2654             notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
2655         /*
2656          * NB: This assignment is necessary because of tricky type conversion.
2657          * XXX: This is tricky and I need to check this. If the lun isn't known
2658          * XXX: for the task management function, it does not of necessity follow
2659          * XXX: that it should go up stream to the wildcard listener.
2660          */
2661         if (notify->nt_lun == LUN_ANY) {
2662                 lun = CAM_LUN_WILDCARD;
2663         } else {
2664                 lun = notify->nt_lun;
2665         }
2666         tptr = get_lun_statep(isp, notify->nt_channel, lun);
2667         if (tptr == NULL) {
2668                 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
2669                 if (tptr == NULL) {
2670                         isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2671                         goto bad;
2672                 }
2673         }
2674         inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2675         if (inot == NULL) {
2676                 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2677                 goto bad;
2678         }
2679
2680         if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 &&
2681             isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) {
2682                 inot->initiator_id = CAM_TARGET_WILDCARD;
2683         } else {
2684                 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp);
2685         }
2686         inot->seq_id = notify->nt_tagval;
2687         inot->tag_id = notify->nt_tagval >> 32;
2688
2689         switch (notify->nt_ncode) {
2690         case NT_ABORT_TASK:
2691                 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id);
2692                 inot->arg = MSG_ABORT_TASK;
2693                 break;
2694         case NT_ABORT_TASK_SET:
2695                 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY);
2696                 inot->arg = MSG_ABORT_TASK_SET;
2697                 break;
2698         case NT_CLEAR_ACA:
2699                 inot->arg = MSG_CLEAR_ACA;
2700                 break;
2701         case NT_CLEAR_TASK_SET:
2702                 inot->arg = MSG_CLEAR_TASK_SET;
2703                 break;
2704         case NT_LUN_RESET:
2705                 inot->arg = MSG_LOGICAL_UNIT_RESET;
2706                 break;
2707         case NT_TARGET_RESET:
2708                 inot->arg = MSG_TARGET_RESET;
2709                 break;
2710         case NT_QUERY_TASK_SET:
2711                 inot->arg = MSG_QUERY_TASK_SET;
2712                 break;
2713         case NT_QUERY_ASYNC_EVENT:
2714                 inot->arg = MSG_QUERY_ASYNC_EVENT;
2715                 break;
2716         default:
2717                 isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun %#jx", __func__, notify->nt_ncode, notify->nt_channel, (uintmax_t)lun);
2718                 goto bad;
2719         }
2720
2721         ntp = isp_get_ntpd(isp, notify->nt_channel);
2722         if (ntp == NULL) {
2723                 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
2724                 goto bad;
2725         }
2726         ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t));
2727         if (notify->nt_lreserved) {
2728                 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN);
2729                 ntp->nt.nt_lreserved = &ntp->data;
2730         }
2731         ntp->seq_id = notify->nt_tagval;
2732         ntp->tag_id = notify->nt_tagval >> 32;
2733
2734         tptr->inot_count--;
2735         SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2736         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
2737         inot->ccb_h.status = CAM_MESSAGE_RECV;
2738         xpt_done((union ccb *)inot);
2739         return;
2740 bad:
2741         if (notify->nt_need_ack && notify->nt_lreserved) {
2742                 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2743                         if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
2744                                 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
2745                         }
2746                 } else {
2747                         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
2748                 }
2749         }
2750 }
2751
2752 static void
2753 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id)
2754 {
2755         atio_private_data_t *atp, *atpool;
2756         inot_private_data_t *ntp, *tmp;
2757         uint32_t this_tag_id;
2758
2759         /*
2760          * First, clean any commands pending restart
2761          */
2762         STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) {
2763                 if (IS_24XX(isp))
2764                         this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid;
2765                 else
2766                         this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid;
2767                 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
2768                         isp_endcmd(isp, ntp->data, NIL_HANDLE, chan,
2769                             ECMD_TERMINATE, 0);
2770                         isp_put_ntpd(isp, chan, ntp);
2771                         STAILQ_REMOVE(&tptr->restart_queue, ntp,
2772                             inot_private_data, next);
2773                 }
2774         }
2775
2776         /*
2777          * Now mark other ones dead as well.
2778          */
2779         ISP_GET_PC(isp, chan, atpool, atpool);
2780         for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
2781                 if (atp->lun != tptr->ts_lun)
2782                         continue;
2783                 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id)
2784                         atp->dead = 1;
2785         }
2786 }
2787 #endif
2788
2789 static void
2790 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
2791 {
2792         struct cam_sim *sim;
2793         int bus, tgt;
2794         ispsoftc_t *isp;
2795
2796         sim = (struct cam_sim *)cbarg;
2797         isp = (ispsoftc_t *) cam_sim_softc(sim);
2798         bus = cam_sim_bus(sim);
2799         tgt = xpt_path_target_id(path);
2800
2801         switch (code) {
2802         case AC_LOST_DEVICE:
2803                 if (IS_SCSI(isp)) {
2804                         uint16_t oflags, nflags;
2805                         sdparam *sdp = SDPARAM(isp, bus);
2806
2807                         if (tgt >= 0) {
2808                                 nflags = sdp->isp_devparam[tgt].nvrm_flags;
2809                                 nflags &= DPARM_SAFE_DFLT;
2810                                 if (isp->isp_loaded_fw) {
2811                                         nflags |= DPARM_NARROW | DPARM_ASYNC;
2812                                 }
2813                                 oflags = sdp->isp_devparam[tgt].goal_flags;
2814                                 sdp->isp_devparam[tgt].goal_flags = nflags;
2815                                 sdp->isp_devparam[tgt].dev_update = 1;
2816                                 sdp->update = 1;
2817                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
2818                                 sdp->isp_devparam[tgt].goal_flags = oflags;
2819                         }
2820                 }
2821                 break;
2822         default:
2823                 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
2824                 break;
2825         }
2826 }
2827
2828 static void
2829 isp_poll(struct cam_sim *sim)
2830 {
2831         ispsoftc_t *isp = cam_sim_softc(sim);
2832         uint16_t isr, sema, info;
2833
2834         if (ISP_READ_ISR(isp, &isr, &sema, &info))
2835                 isp_intr(isp, isr, sema, info);
2836 }
2837
2838
2839 static void
2840 isp_watchdog(void *arg)
2841 {
2842         struct ccb_scsiio *xs = arg;
2843         ispsoftc_t *isp;
2844         uint32_t ohandle = ISP_HANDLE_FREE, handle;
2845
2846         isp = XS_ISP(xs);
2847
2848         handle = isp_find_handle(isp, xs);
2849
2850         /*
2851          * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
2852          */
2853         if (handle != ISP_HANDLE_FREE) {
2854                 uint16_t isr, sema, info;
2855                 if (ISP_READ_ISR(isp, &isr, &sema, &info) != 0)
2856                         isp_intr(isp, isr, sema, info);
2857                 ohandle = handle;
2858                 handle = isp_find_handle(isp, xs);
2859         }
2860         if (handle != ISP_HANDLE_FREE) {
2861                 /*
2862                  * Try and make sure the command is really dead before
2863                  * we release the handle (and DMA resources) for reuse.
2864                  *
2865                  * If we are successful in aborting the command then
2866                  * we're done here because we'll get the command returned
2867                  * back separately.
2868                  */
2869                 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
2870                         return;
2871                 }
2872
2873                 /*
2874                  * Note that after calling the above, the command may in
2875                  * fact have been completed.
2876                  */
2877                 xs = isp_find_xs(isp, handle);
2878
2879                 /*
2880                  * If the command no longer exists, then we won't
2881                  * be able to find the xs again with this handle.
2882                  */
2883                 if (xs == NULL) {
2884                         return;
2885                 }
2886
2887                 /*
2888                  * After this point, the command is really dead.
2889                  */
2890                 if (XS_XFRLEN(xs)) {
2891                         ISP_DMAFREE(isp, xs, handle);
2892                 }
2893                 isp_destroy_handle(isp, handle);
2894                 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
2895                 xs->ccb_h.status &= ~CAM_STATUS_MASK;
2896                 xs->ccb_h.status |= CAM_CMD_TIMEOUT;
2897                 isp_prt_endcmd(isp, xs);
2898                 isp_done(xs);
2899         } else {
2900                 if (ohandle != ISP_HANDLE_FREE) {
2901                         isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
2902                 } else {
2903                         isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
2904                 }
2905         }
2906 }
2907
2908 static void
2909 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2910 {
2911         union ccb *ccb;
2912         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2913
2914         /*
2915          * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
2916          */
2917         ccb = xpt_alloc_ccb_nowait();
2918         if (ccb == NULL) {
2919                 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
2920                 return;
2921         }
2922         if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
2923             tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2924                 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
2925                 xpt_free_ccb(ccb);
2926                 return;
2927         }
2928         xpt_rescan(ccb);
2929 }
2930
2931 static void
2932 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2933 {
2934         struct cam_path *tp;
2935         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2936
2937         if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
2938                 xpt_async(AC_LOST_DEVICE, tp, NULL);
2939                 xpt_free_path(tp);
2940         }
2941 }
2942
2943 /*
2944  * Gone Device Timer Function- when we have decided that a device has gone
2945  * away, we wait a specific period of time prior to telling the OS it has
2946  * gone away.
2947  *
2948  * This timer function fires once a second and then scans the port database
2949  * for devices that are marked dead but still have a virtual target assigned.
2950  * We decrement a counter for that port database entry, and when it hits zero,
2951  * we tell the OS the device has gone away.
2952  */
2953 static void
2954 isp_gdt(void *arg)
2955 {
2956         struct isp_fc *fc = arg;
2957         taskqueue_enqueue(taskqueue_thread, &fc->gtask);
2958 }
2959
2960 static void
2961 isp_gdt_task(void *arg, int pending)
2962 {
2963         struct isp_fc *fc = arg;
2964         ispsoftc_t *isp = fc->isp;
2965         int chan = fc - isp->isp_osinfo.pc.fc;
2966         fcportdb_t *lp;
2967         struct ac_contract ac;
2968         struct ac_device_changed *adc;
2969         int dbidx, more_to_do = 0;
2970
2971         ISP_LOCK(isp);
2972         isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
2973         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2974                 lp = &FCPARAM(isp, chan)->portdb[dbidx];
2975
2976                 if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
2977                         continue;
2978                 }
2979                 if (lp->gone_timer != 0) {
2980                         lp->gone_timer -= 1;
2981                         more_to_do++;
2982                         continue;
2983                 }
2984                 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout");
2985                 if (lp->is_target) {
2986                         lp->is_target = 0;
2987                         isp_make_gone(isp, lp, chan, dbidx);
2988                 }
2989                 if (lp->is_initiator) {
2990                         lp->is_initiator = 0;
2991                         ac.contract_number = AC_CONTRACT_DEV_CHG;
2992                         adc = (struct ac_device_changed *) ac.contract_data;
2993                         adc->wwpn = lp->port_wwn;
2994                         adc->port = lp->portid;
2995                         adc->target = dbidx;
2996                         adc->arrived = 0;
2997                         xpt_async(AC_CONTRACT, fc->path, &ac);
2998                 }
2999                 lp->state = FC_PORTDB_STATE_NIL;
3000         }
3001         if (fc->ready) {
3002                 if (more_to_do) {
3003                         callout_reset(&fc->gdt, hz, isp_gdt, fc);
3004                 } else {
3005                         callout_deactivate(&fc->gdt);
3006                         isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
3007                 }
3008         }
3009         ISP_UNLOCK(isp);
3010 }
3011
3012 /*
3013  * When loop goes down we remember the time and freeze CAM command queue.
3014  * During some time period we are trying to reprobe the loop.  But if we
3015  * fail, we tell the OS that devices have gone away and drop the freeze.
3016  *
3017  * We don't clear the devices out of our port database because, when loop
3018  * come back up, we have to do some actual cleanup with the chip at that
3019  * point (implicit PLOGO, e.g., to get the chip's port database state right).
3020  */
3021 static void
3022 isp_loop_changed(ispsoftc_t *isp, int chan)
3023 {
3024         fcparam *fcp = FCPARAM(isp, chan);
3025         struct isp_fc *fc = ISP_FC_PC(isp, chan);
3026
3027         if (fc->loop_down_time)
3028                 return;
3029         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan);
3030         if (fcp->role & ISP_ROLE_INITIATOR)
3031                 isp_freeze_loopdown(isp, chan);
3032         fc->loop_down_time = time_uptime;
3033         wakeup(fc);
3034 }
3035
3036 static void
3037 isp_loop_up(ispsoftc_t *isp, int chan)
3038 {
3039         struct isp_fc *fc = ISP_FC_PC(isp, chan);
3040
3041         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan);
3042         fc->loop_seen_once = 1;
3043         fc->loop_down_time = 0;
3044         isp_unfreeze_loopdown(isp, chan);
3045 }
3046
3047 static void
3048 isp_loop_dead(ispsoftc_t *isp, int chan)
3049 {
3050         fcparam *fcp = FCPARAM(isp, chan);
3051         struct isp_fc *fc = ISP_FC_PC(isp, chan);
3052         fcportdb_t *lp;
3053         struct ac_contract ac;
3054         struct ac_device_changed *adc;
3055         int dbidx, i;
3056
3057         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan);
3058
3059         /*
3060          * Notify to the OS all targets who we now consider have departed.
3061          */
3062         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
3063                 lp = &fcp->portdb[dbidx];
3064
3065                 if (lp->state == FC_PORTDB_STATE_NIL)
3066                         continue;
3067
3068                 /*
3069                  * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
3070                  */
3071                 for (i = 0; i < isp->isp_maxcmds; i++) {
3072                         struct ccb_scsiio *xs;
3073
3074                         if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) {
3075                                 continue;
3076                         }
3077                         if ((xs = isp->isp_xflist[i].cmd) == NULL) {
3078                                 continue;
3079                         }
3080                         if (dbidx != XS_TGT(xs)) {
3081                                 continue;
3082                         }
3083                         isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout",
3084                             isp->isp_xflist[i].handle, chan, XS_TGT(xs),
3085                             (uintmax_t)XS_LUN(xs));
3086                 }
3087
3088                 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout");
3089                 if (lp->is_target) {
3090                         lp->is_target = 0;
3091                         isp_make_gone(isp, lp, chan, dbidx);
3092                 }
3093                 if (lp->is_initiator) {
3094                         lp->is_initiator = 0;
3095                         ac.contract_number = AC_CONTRACT_DEV_CHG;
3096                         adc = (struct ac_device_changed *) ac.contract_data;
3097                         adc->wwpn = lp->port_wwn;
3098                         adc->port = lp->portid;
3099                         adc->target = dbidx;
3100                         adc->arrived = 0;
3101                         xpt_async(AC_CONTRACT, fc->path, &ac);
3102                 }
3103         }
3104
3105         isp_unfreeze_loopdown(isp, chan);
3106         fc->loop_down_time = 0;
3107 }
3108
3109 static void
3110 isp_kthread(void *arg)
3111 {
3112         struct isp_fc *fc = arg;
3113         ispsoftc_t *isp = fc->isp;
3114         int chan = fc - isp->isp_osinfo.pc.fc;
3115         int slp = 0, d;
3116         int lb, lim;
3117
3118         mtx_lock(&isp->isp_osinfo.lock);
3119
3120         while (isp->isp_osinfo.is_exiting == 0) {
3121                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3122                     "Chan %d Checking FC state", chan);
3123                 lb = isp_fc_runstate(isp, chan, 250000);
3124                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3125                     "Chan %d FC got to %s state", chan,
3126                     isp_fc_loop_statename(lb));
3127
3128                 /*
3129                  * Our action is different based upon whether we're supporting
3130                  * Initiator mode or not. If we are, we might freeze the simq
3131                  * when loop is down and set all sorts of different delays to
3132                  * check again.
3133                  *
3134                  * If not, we simply just wait for loop to come up.
3135                  */
3136                 if (lb == LOOP_READY || lb < 0) {
3137                         slp = 0;
3138                 } else {
3139                         /*
3140                          * If we've never seen loop up and we've waited longer
3141                          * than quickboot time, or we've seen loop up but we've
3142                          * waited longer than loop_down_limit, give up and go
3143                          * to sleep until loop comes up.
3144                          */
3145                         if (fc->loop_seen_once == 0)
3146                                 lim = isp_quickboot_time;
3147                         else
3148                                 lim = fc->loop_down_limit;
3149                         d = time_uptime - fc->loop_down_time;
3150                         if (d >= lim)
3151                                 slp = 0;
3152                         else if (d < 10)
3153                                 slp = 1;
3154                         else if (d < 30)
3155                                 slp = 5;
3156                         else if (d < 60)
3157                                 slp = 10;
3158                         else if (d < 120)
3159                                 slp = 20;
3160                         else
3161                                 slp = 30;
3162                 }
3163
3164                 if (slp == 0) {
3165                         if (lb == LOOP_READY)
3166                                 isp_loop_up(isp, chan);
3167                         else
3168                                 isp_loop_dead(isp, chan);
3169                 }
3170
3171                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3172                     "Chan %d sleep for %d seconds", chan, slp);
3173                 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz);
3174         }
3175         fc->num_threads -= 1;
3176         mtx_unlock(&isp->isp_osinfo.lock);
3177         kthread_exit();
3178 }
3179
3180 #ifdef  ISP_TARGET_MODE
3181 static void
3182 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb)
3183 {
3184         atio_private_data_t *atp;
3185         union ccb *accb = ccb->cab.abort_ccb;
3186         struct ccb_hdr *sccb;
3187         tstate_t *tptr;
3188
3189         tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
3190         if (tptr != NULL) {
3191                 /* Search for the ATIO among queueued. */
3192                 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) {
3193                         if (sccb != &accb->ccb_h)
3194                                 continue;
3195                         SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle);
3196                         tptr->atio_count--;
3197                         accb->ccb_h.status = CAM_REQ_ABORTED;
3198                         xpt_done(accb);
3199                         ccb->ccb_h.status = CAM_REQ_CMP;
3200                         return;
3201                 }
3202         }
3203
3204         /* Search for the ATIO among running. */
3205         atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id);
3206         if (atp != NULL) {
3207                 /* Send TERMINATE to firmware. */
3208                 if (!atp->dead && IS_24XX(isp)) {
3209                         uint8_t storage[QENTRY_LEN];
3210                         ct7_entry_t *cto = (ct7_entry_t *) storage;
3211
3212                         ISP_MEMZERO(cto, sizeof (ct7_entry_t));
3213                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
3214                         cto->ct_header.rqs_entry_count = 1;
3215                         cto->ct_nphdl = atp->nphdl;
3216                         cto->ct_rxid = atp->tag;
3217                         cto->ct_iid_lo = atp->sid;
3218                         cto->ct_iid_hi = atp->sid >> 16;
3219                         cto->ct_oxid = atp->oxid;
3220                         cto->ct_vpidx = XS_CHANNEL(accb);
3221                         cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
3222                         isp_target_put_entry(isp, cto);
3223                 }
3224                 isp_put_atpd(isp, XS_CHANNEL(accb), atp);
3225                 ccb->ccb_h.status = CAM_REQ_CMP;
3226         } else {
3227                 ccb->ccb_h.status = CAM_UA_ABORT;
3228         }
3229 }
3230
3231 static void
3232 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb)
3233 {
3234         inot_private_data_t *ntp;
3235         union ccb *accb = ccb->cab.abort_ccb;
3236         struct ccb_hdr *sccb;
3237         tstate_t *tptr;
3238
3239         tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
3240         if (tptr != NULL) {
3241                 /* Search for the INOT among queueued. */
3242                 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) {
3243                         if (sccb != &accb->ccb_h)
3244                                 continue;
3245                         SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle);
3246                         tptr->inot_count--;
3247                         accb->ccb_h.status = CAM_REQ_ABORTED;
3248                         xpt_done(accb);
3249                         ccb->ccb_h.status = CAM_REQ_CMP;
3250                         return;
3251                 }
3252         }
3253
3254         /* Search for the INOT among running. */
3255         ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id);
3256         if (ntp != NULL) {
3257                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, ntp->data);
3258                 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp);
3259                 ccb->ccb_h.status = CAM_REQ_CMP;
3260         } else {
3261                 ccb->ccb_h.status = CAM_UA_ABORT;
3262                 return;
3263         }
3264 }
3265 #endif
3266
3267 static void
3268 isp_action(struct cam_sim *sim, union ccb *ccb)
3269 {
3270         int bus, tgt, ts, error;
3271         ispsoftc_t *isp;
3272         struct ccb_trans_settings *cts;
3273
3274         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
3275
3276         isp = (ispsoftc_t *)cam_sim_softc(sim);
3277         mtx_assert(&isp->isp_lock, MA_OWNED);
3278         isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
3279         ISP_PCMD(ccb) = NULL;
3280
3281         switch (ccb->ccb_h.func_code) {
3282         case XPT_SCSI_IO:       /* Execute the requested I/O operation */
3283                 bus = XS_CHANNEL(ccb);
3284                 /*
3285                  * Do a couple of preliminary checks...
3286                  */
3287                 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
3288                         if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
3289                                 ccb->ccb_h.status = CAM_REQ_INVALID;
3290                                 isp_done((struct ccb_scsiio *) ccb);
3291                                 break;
3292                         }
3293                 }
3294                 ccb->csio.req_map = NULL;
3295 #ifdef  DIAGNOSTIC
3296                 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) {
3297                         xpt_print(ccb->ccb_h.path, "invalid target\n");
3298                         ccb->ccb_h.status = CAM_PATH_INVALID;
3299                 } else if (ISP_MAX_LUNS(isp) > 0 &&
3300                     ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) {
3301                         xpt_print(ccb->ccb_h.path, "invalid lun\n");
3302                         ccb->ccb_h.status = CAM_PATH_INVALID;
3303                 }
3304                 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
3305                         xpt_done(ccb);
3306                         break;
3307                 }
3308 #endif
3309                 ccb->csio.scsi_status = SCSI_STATUS_OK;
3310                 if (isp_get_pcmd(isp, ccb)) {
3311                         isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
3312                         cam_freeze_devq(ccb->ccb_h.path);
3313                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
3314                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3315                         xpt_done(ccb);
3316                         break;
3317                 }
3318                 error = isp_start((XS_T *) ccb);
3319                 switch (error) {
3320                 case CMD_QUEUED:
3321                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
3322                         if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
3323                                 break;
3324                         }
3325                         ts = ccb->ccb_h.timeout;
3326                         if (ts == CAM_TIME_DEFAULT) {
3327                                 ts = 60*1000;
3328                         }
3329                         ts = isp_mstohz(ts);
3330                         callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
3331                         break;
3332                 case CMD_RQLATER:
3333                         isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later",
3334                             XS_TGT(ccb), (uintmax_t)XS_LUN(ccb));
3335                         cam_freeze_devq(ccb->ccb_h.path);
3336                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3337                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3338                         isp_free_pcmd(isp, ccb);
3339                         xpt_done(ccb);
3340                         break;
3341                 case CMD_EAGAIN:
3342                         isp_free_pcmd(isp, ccb);
3343                         cam_freeze_devq(ccb->ccb_h.path);
3344                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
3345                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3346                         xpt_done(ccb);
3347                         break;
3348                 case CMD_COMPLETE:
3349                         isp_done((struct ccb_scsiio *) ccb);
3350                         break;
3351                 default:
3352                         isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
3353                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3354                         isp_free_pcmd(isp, ccb);
3355                         xpt_done(ccb);
3356                 }
3357                 break;
3358
3359 #ifdef  ISP_TARGET_MODE
3360         case XPT_EN_LUN:                /* Enable/Disable LUN as a target */
3361                 if (ccb->cel.enable) {
3362                         isp_enable_lun(isp, ccb);
3363                 } else {
3364                         isp_disable_lun(isp, ccb);
3365                 }
3366                 break;
3367         case XPT_IMMEDIATE_NOTIFY:      /* Add Immediate Notify Resource */
3368         case XPT_ACCEPT_TARGET_IO:      /* Add Accept Target IO Resource */
3369         {
3370                 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
3371                 if (tptr == NULL) {
3372                         const char *str;
3373
3374                         if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY)
3375                                 str = "XPT_IMMEDIATE_NOTIFY";
3376                         else
3377                                 str = "XPT_ACCEPT_TARGET_IO";
3378                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path,
3379                             "%s: no state pointer found for %s\n",
3380                             __func__, str);
3381                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3382                         xpt_done(ccb);
3383                         break;
3384                 }
3385                 ccb->ccb_h.spriv_field0 = 0;
3386                 ccb->ccb_h.spriv_ptr1 = isp;
3387
3388                 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
3389                         ccb->atio.tag_id = 0;
3390                         tptr->atio_count++;
3391                         SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
3392                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3393                             "Put FREE ATIO, count now %d\n", tptr->atio_count);
3394                 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
3395                         ccb->cin1.seq_id = ccb->cin1.tag_id = 0;
3396                         tptr->inot_count++;
3397                         SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
3398                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3399                             "Put FREE INOT, count now %d\n", tptr->inot_count);
3400                 }
3401                 ccb->ccb_h.status = CAM_REQ_INPROG;
3402                 break;
3403         }
3404         case XPT_NOTIFY_ACKNOWLEDGE:            /* notify ack */
3405         {
3406                 inot_private_data_t *ntp;
3407
3408                 /*
3409                  * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
3410                  * XXX: matches that for the immediate notify, we have to *search* for the notify structure
3411                  */
3412                 /*
3413                  * All the relevant path information is in the associated immediate notify
3414                  */
3415                 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);
3416                 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id);
3417                 if (ntp == NULL) {
3418                         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__,
3419                              ccb->cna2.tag_id, ccb->cna2.seq_id);
3420                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3421                         xpt_done(ccb);
3422                         break;
3423                 }
3424                 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt,
3425                     (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) {
3426                         cam_freeze_devq(ccb->ccb_h.path);
3427                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3428                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3429                         ccb->ccb_h.status |= CAM_REQUEUE_REQ;
3430                         break;
3431                 }
3432                 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp);
3433                 ccb->ccb_h.status = CAM_REQ_CMP;
3434                 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);
3435                 xpt_done(ccb);
3436                 break;
3437         }
3438         case XPT_CONT_TARGET_IO:
3439                 isp_target_start_ctio(isp, ccb, FROM_CAM);
3440                 break;
3441 #endif
3442         case XPT_RESET_DEV:             /* BDR the specified SCSI device */
3443                 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
3444                 tgt = ccb->ccb_h.target_id;
3445                 tgt |= (bus << 16);
3446
3447                 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
3448                 if (error) {
3449                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3450                 } else {
3451                         /*
3452                          * If we have a FC device, reset the Command
3453                          * Reference Number, because the target will expect
3454                          * that we re-start the CRN at 1 after a reset.
3455                          */
3456                         if (IS_FC(isp))
3457                                 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3458
3459                         ccb->ccb_h.status = CAM_REQ_CMP;
3460                 }
3461                 xpt_done(ccb);
3462                 break;
3463         case XPT_ABORT:                 /* Abort the specified CCB */
3464         {
3465                 union ccb *accb = ccb->cab.abort_ccb;
3466                 switch (accb->ccb_h.func_code) {
3467 #ifdef  ISP_TARGET_MODE
3468                 case XPT_ACCEPT_TARGET_IO:
3469                         isp_abort_atio(isp, ccb);
3470                         break;
3471                 case XPT_IMMEDIATE_NOTIFY:
3472                         isp_abort_inot(isp, ccb);
3473                         break;
3474 #endif
3475                 case XPT_SCSI_IO:
3476                         error = isp_control(isp, ISPCTL_ABORT_CMD, accb);
3477                         if (error) {
3478                                 ccb->ccb_h.status = CAM_UA_ABORT;
3479                         } else {
3480                                 ccb->ccb_h.status = CAM_REQ_CMP;
3481                         }
3482                         break;
3483                 default:
3484                         ccb->ccb_h.status = CAM_REQ_INVALID;
3485                         break;
3486                 }
3487                 /*
3488                  * This is not a queued CCB, so the caller expects it to be
3489                  * complete when control is returned.
3490                  */
3491                 break;
3492         }
3493 #define IS_CURRENT_SETTINGS(c)  (c->type == CTS_TYPE_CURRENT_SETTINGS)
3494         case XPT_SET_TRAN_SETTINGS:     /* Nexus Settings */
3495                 cts = &ccb->cts;
3496                 if (!IS_CURRENT_SETTINGS(cts)) {
3497                         ccb->ccb_h.status = CAM_REQ_INVALID;
3498                         xpt_done(ccb);
3499                         break;
3500                 }
3501                 tgt = cts->ccb_h.target_id;
3502                 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
3503                 if (IS_SCSI(isp)) {
3504                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3505                         struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3506                         sdparam *sdp = SDPARAM(isp, bus);
3507                         uint16_t *dptr;
3508
3509                         if (spi->valid == 0 && scsi->valid == 0) {
3510                                 ccb->ccb_h.status = CAM_REQ_CMP;
3511                                 xpt_done(ccb);
3512                                 break;
3513                         }
3514
3515                         /*
3516                          * We always update (internally) from goal_flags
3517                          * so any request to change settings just gets
3518                          * vectored to that location.
3519                          */
3520                         dptr = &sdp->isp_devparam[tgt].goal_flags;
3521
3522                         if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
3523                                 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
3524                                         *dptr |= DPARM_DISC;
3525                                 else
3526                                         *dptr &= ~DPARM_DISC;
3527                         }
3528
3529                         if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
3530                                 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
3531                                         *dptr |= DPARM_TQING;
3532                                 else
3533                                         *dptr &= ~DPARM_TQING;
3534                         }
3535
3536                         if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
3537                                 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
3538                                         *dptr |= DPARM_WIDE;
3539                                 else
3540                                         *dptr &= ~DPARM_WIDE;
3541                         }
3542
3543                         /*
3544                          * XXX: FIX ME
3545                          */
3546                         if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
3547                                 *dptr |= DPARM_SYNC;
3548                                 /*
3549                                  * XXX: CHECK FOR LEGALITY
3550                                  */
3551                                 sdp->isp_devparam[tgt].goal_period = spi->sync_period;
3552                                 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
3553                         } else {
3554                                 *dptr &= ~DPARM_SYNC;
3555                         }
3556                         isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%jx) to flags %x off %x per %x", bus, tgt, (uintmax_t)cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags,
3557                             sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
3558                         sdp->isp_devparam[tgt].dev_update = 1;
3559                         sdp->update = 1;
3560                 }
3561                 ccb->ccb_h.status = CAM_REQ_CMP;
3562                 xpt_done(ccb);
3563                 break;
3564         case XPT_GET_TRAN_SETTINGS:
3565                 cts = &ccb->cts;
3566                 tgt = cts->ccb_h.target_id;
3567                 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
3568                 if (IS_FC(isp)) {
3569                         fcparam *fcp = FCPARAM(isp, bus);
3570                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3571                         struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
3572
3573                         cts->protocol = PROTO_SCSI;
3574                         cts->protocol_version = SCSI_REV_2;
3575                         cts->transport = XPORT_FC;
3576                         cts->transport_version = 0;
3577
3578                         scsi->valid = CTS_SCSI_VALID_TQ;
3579                         scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
3580                         fc->valid = CTS_FC_VALID_SPEED;
3581                         fc->bitrate = 100000;
3582                         fc->bitrate *= fcp->isp_gbspeed;
3583                         if (tgt < MAX_FC_TARG) {
3584                                 fcportdb_t *lp = &fcp->portdb[tgt];
3585                                 fc->wwnn = lp->node_wwn;
3586                                 fc->wwpn = lp->port_wwn;
3587                                 fc->port = lp->portid;
3588                                 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
3589                         }
3590                 } else {
3591                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3592                         struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3593                         sdparam *sdp = SDPARAM(isp, bus);
3594                         uint16_t dval, pval, oval;
3595
3596                         if (IS_CURRENT_SETTINGS(cts)) {
3597                                 sdp->isp_devparam[tgt].dev_refresh = 1;
3598                                 sdp->update = 1;
3599                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3600                                 dval = sdp->isp_devparam[tgt].actv_flags;
3601                                 oval = sdp->isp_devparam[tgt].actv_offset;
3602                                 pval = sdp->isp_devparam[tgt].actv_period;
3603                         } else {
3604                                 dval = sdp->isp_devparam[tgt].nvrm_flags;
3605                                 oval = sdp->isp_devparam[tgt].nvrm_offset;
3606                                 pval = sdp->isp_devparam[tgt].nvrm_period;
3607                         }
3608
3609                         cts->protocol = PROTO_SCSI;
3610                         cts->protocol_version = SCSI_REV_2;
3611                         cts->transport = XPORT_SPI;
3612                         cts->transport_version = 2;
3613
3614                         spi->valid = 0;
3615                         scsi->valid = 0;
3616                         spi->flags = 0;
3617                         scsi->flags = 0;
3618                         if (dval & DPARM_DISC) {
3619                                 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3620                         }
3621                         if ((dval & DPARM_SYNC) && oval && pval) {
3622                                 spi->sync_offset = oval;
3623                                 spi->sync_period = pval;
3624                         } else {
3625                                 spi->sync_offset = 0;
3626                                 spi->sync_period = 0;
3627                         }
3628                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3629                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3630                         spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
3631                         if (dval & DPARM_WIDE) {
3632                                 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3633                         } else {
3634                                 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3635                         }
3636                         if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3637                                 scsi->valid = CTS_SCSI_VALID_TQ;
3638                                 if (dval & DPARM_TQING) {
3639                                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3640                                 }
3641                                 spi->valid |= CTS_SPI_VALID_DISC;
3642                         }
3643                         isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
3644                             bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval);
3645                 }
3646                 ccb->ccb_h.status = CAM_REQ_CMP;
3647                 xpt_done(ccb);
3648                 break;
3649
3650         case XPT_CALC_GEOMETRY:
3651                 cam_calc_geometry(&ccb->ccg, 1);
3652                 xpt_done(ccb);
3653                 break;
3654
3655         case XPT_RESET_BUS:             /* Reset the specified bus */
3656                 bus = cam_sim_bus(sim);
3657                 error = isp_control(isp, ISPCTL_RESET_BUS, bus);
3658                 if (error) {
3659                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3660                         xpt_done(ccb);
3661                         break;
3662                 }
3663                 if (bootverbose) {
3664                         xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
3665                 }
3666                 if (IS_FC(isp)) {
3667                         xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
3668                 } else {
3669                         xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
3670                 }
3671                 ccb->ccb_h.status = CAM_REQ_CMP;
3672                 xpt_done(ccb);
3673                 break;
3674
3675         case XPT_TERM_IO:               /* Terminate the I/O process */
3676                 ccb->ccb_h.status = CAM_REQ_INVALID;
3677                 xpt_done(ccb);
3678                 break;
3679
3680         case XPT_SET_SIM_KNOB:          /* Set SIM knobs */
3681         {
3682                 struct ccb_sim_knob *kp = &ccb->knob;
3683                 fcparam *fcp;
3684
3685                 if (!IS_FC(isp)) {
3686                         ccb->ccb_h.status = CAM_REQ_INVALID;
3687                         xpt_done(ccb);
3688                         break;
3689                 }
3690
3691                 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
3692                 fcp = FCPARAM(isp, bus);
3693
3694                 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
3695                         fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
3696                         fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
3697                         isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
3698                 }
3699                 ccb->ccb_h.status = CAM_REQ_CMP;
3700                 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
3701                         int rchange = 0;
3702                         int newrole = 0;
3703
3704                         switch (kp->xport_specific.fc.role) {
3705                         case KNOB_ROLE_NONE:
3706                                 if (fcp->role != ISP_ROLE_NONE) {
3707                                         rchange = 1;
3708                                         newrole = ISP_ROLE_NONE;
3709                                 }
3710                                 break;
3711                         case KNOB_ROLE_TARGET:
3712                                 if (fcp->role != ISP_ROLE_TARGET) {
3713                                         rchange = 1;
3714                                         newrole = ISP_ROLE_TARGET;
3715                                 }
3716                                 break;
3717                         case KNOB_ROLE_INITIATOR:
3718                                 if (fcp->role != ISP_ROLE_INITIATOR) {
3719                                         rchange = 1;
3720                                         newrole = ISP_ROLE_INITIATOR;
3721                                 }
3722                                 break;
3723                         case KNOB_ROLE_BOTH:
3724                                 if (fcp->role != ISP_ROLE_BOTH) {
3725                                         rchange = 1;
3726                                         newrole = ISP_ROLE_BOTH;
3727                                 }
3728                                 break;
3729                         }
3730                         if (rchange) {
3731                                 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
3732                                 if (isp_control(isp, ISPCTL_CHANGE_ROLE,
3733                                     bus, newrole) != 0) {
3734                                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3735                                         xpt_done(ccb);
3736                                         break;
3737                                 }
3738                         }
3739                 }
3740                 xpt_done(ccb);
3741                 break;
3742         }
3743         case XPT_GET_SIM_KNOB_OLD:      /* Get SIM knobs -- compat value */
3744         case XPT_GET_SIM_KNOB:          /* Get SIM knobs */
3745         {
3746                 struct ccb_sim_knob *kp = &ccb->knob;
3747
3748                 if (IS_FC(isp)) {
3749                         fcparam *fcp;
3750
3751                         bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
3752                         fcp = FCPARAM(isp, bus);
3753
3754                         kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
3755                         kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
3756                         switch (fcp->role) {
3757                         case ISP_ROLE_NONE:
3758                                 kp->xport_specific.fc.role = KNOB_ROLE_NONE;
3759                                 break;
3760                         case ISP_ROLE_TARGET:
3761                                 kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
3762                                 break;
3763                         case ISP_ROLE_INITIATOR:
3764                                 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
3765                                 break;
3766                         case ISP_ROLE_BOTH:
3767                                 kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
3768                                 break;
3769                         }
3770                         kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
3771                         ccb->ccb_h.status = CAM_REQ_CMP;
3772                 } else {
3773                         ccb->ccb_h.status = CAM_REQ_INVALID;
3774                 }
3775                 xpt_done(ccb);
3776                 break;
3777         }
3778         case XPT_PATH_INQ:              /* Path routing inquiry */
3779         {
3780                 struct ccb_pathinq *cpi = &ccb->cpi;
3781
3782                 cpi->version_num = 1;
3783 #ifdef  ISP_TARGET_MODE
3784                 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp))
3785                         cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
3786                 else
3787 #endif
3788                         cpi->target_sprt = 0;
3789                 cpi->hba_eng_cnt = 0;
3790                 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
3791                 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ?
3792                     255 : ISP_MAX_LUNS(isp) - 1;
3793                 cpi->bus_id = cam_sim_bus(sim);
3794                 if (isp->isp_osinfo.sixtyfourbit)
3795                         cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
3796                 else
3797                         cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
3798
3799                 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
3800                 if (IS_FC(isp)) {
3801                         fcparam *fcp = FCPARAM(isp, bus);
3802
3803                         cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
3804                         cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN;
3805
3806                         /*
3807                          * Because our loop ID can shift from time to time,
3808                          * make our initiator ID out of range of our bus.
3809                          */
3810                         cpi->initiator_id = cpi->max_target + 1;
3811
3812                         /*
3813                          * Set base transfer capabilities for Fibre Channel, for this HBA.
3814                          */
3815                         if (IS_25XX(isp)) {
3816                                 cpi->base_transfer_speed = 8000000;
3817                         } else if (IS_24XX(isp)) {
3818                                 cpi->base_transfer_speed = 4000000;
3819                         } else if (IS_23XX(isp)) {
3820                                 cpi->base_transfer_speed = 2000000;
3821                         } else {
3822                                 cpi->base_transfer_speed = 1000000;
3823                         }
3824                         cpi->hba_inquiry = PI_TAG_ABLE;
3825                         cpi->transport = XPORT_FC;
3826                         cpi->transport_version = 0;
3827                         cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
3828                         cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
3829                         cpi->xport_specific.fc.port = fcp->isp_portid;
3830                         cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
3831                 } else {
3832                         sdparam *sdp = SDPARAM(isp, bus);
3833                         cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3834                         cpi->hba_misc = PIM_UNMAPPED;
3835                         cpi->initiator_id = sdp->isp_initiator_id;
3836                         cpi->base_transfer_speed = 3300;
3837                         cpi->transport = XPORT_SPI;
3838                         cpi->transport_version = 2;
3839                 }
3840                 cpi->protocol = PROTO_SCSI;
3841                 cpi->protocol_version = SCSI_REV_2;
3842                 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
3843                 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
3844                 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
3845                 cpi->unit_number = cam_sim_unit(sim);
3846                 cpi->ccb_h.status = CAM_REQ_CMP;
3847                 xpt_done(ccb);
3848                 break;
3849         }
3850         default:
3851                 ccb->ccb_h.status = CAM_REQ_INVALID;
3852                 xpt_done(ccb);
3853                 break;
3854         }
3855 }
3856
3857 void
3858 isp_done(XS_T *sccb)
3859 {
3860         ispsoftc_t *isp = XS_ISP(sccb);
3861         uint32_t status;
3862
3863         if (XS_NOERR(sccb))
3864                 XS_SETERR(sccb, CAM_REQ_CMP);
3865
3866         if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
3867                 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
3868                 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
3869                         sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
3870                 } else {
3871                         sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
3872                 }
3873         }
3874
3875         sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
3876         status = sccb->ccb_h.status & CAM_STATUS_MASK;
3877         if (status != CAM_REQ_CMP &&
3878             (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
3879                 sccb->ccb_h.status |= CAM_DEV_QFRZN;
3880                 xpt_freeze_devq(sccb->ccb_h.path, 1);
3881         }
3882
3883         if (ISP_PCMD(sccb)) {
3884                 if (callout_active(&PISP_PCMD(sccb)->wdog))
3885                         callout_stop(&PISP_PCMD(sccb)->wdog);
3886                 isp_free_pcmd(isp, (union ccb *) sccb);
3887         }
3888         xpt_done((union ccb *) sccb);
3889 }
3890
3891 void
3892 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
3893 {
3894         int bus;
3895         static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s";
3896         char buf[64];
3897         char *msg = NULL;
3898         target_id_t tgt;
3899         fcportdb_t *lp;
3900         struct isp_fc *fc;
3901         struct cam_path *tmppath;
3902         struct ac_contract ac;
3903         struct ac_device_changed *adc;
3904         va_list ap;
3905
3906         switch (cmd) {
3907         case ISPASYNC_NEW_TGT_PARAMS:
3908         {
3909                 struct ccb_trans_settings_scsi *scsi;
3910                 struct ccb_trans_settings_spi *spi;
3911                 int flags, tgt;
3912                 sdparam *sdp;
3913                 struct ccb_trans_settings cts;
3914
3915                 memset(&cts, 0, sizeof (struct ccb_trans_settings));
3916
3917                 va_start(ap, cmd);
3918                 bus = va_arg(ap, int);
3919                 tgt = va_arg(ap, int);
3920                 va_end(ap);
3921                 sdp = SDPARAM(isp, bus);
3922
3923                 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
3924                         isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
3925                         break;
3926                 }
3927                 flags = sdp->isp_devparam[tgt].actv_flags;
3928                 cts.type = CTS_TYPE_CURRENT_SETTINGS;
3929                 cts.protocol = PROTO_SCSI;
3930                 cts.transport = XPORT_SPI;
3931
3932                 scsi = &cts.proto_specific.scsi;
3933                 spi = &cts.xport_specific.spi;
3934
3935                 if (flags & DPARM_TQING) {
3936                         scsi->valid |= CTS_SCSI_VALID_TQ;
3937                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3938                 }
3939
3940                 if (flags & DPARM_DISC) {
3941                         spi->valid |= CTS_SPI_VALID_DISC;
3942                         spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3943                 }
3944                 spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
3945                 if (flags & DPARM_WIDE) {
3946                         spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3947                 } else {
3948                         spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3949                 }
3950                 if (flags & DPARM_SYNC) {
3951                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3952                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3953                         spi->sync_period = sdp->isp_devparam[tgt].actv_period;
3954                         spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
3955                 }
3956                 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);
3957                 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
3958                 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
3959                 xpt_free_path(tmppath);
3960                 break;
3961         }
3962         case ISPASYNC_BUS_RESET:
3963         {
3964                 va_start(ap, cmd);
3965                 bus = va_arg(ap, int);
3966                 va_end(ap);
3967                 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
3968                 if (IS_FC(isp)) {
3969                         xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
3970                 } else {
3971                         xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
3972                 }
3973                 break;
3974         }
3975         case ISPASYNC_LIP:
3976                 if (msg == NULL)
3977                         msg = "LIP Received";
3978                 /* FALLTHROUGH */
3979         case ISPASYNC_LOOP_RESET:
3980                 if (msg == NULL)
3981                         msg = "LOOP Reset";
3982                 /* FALLTHROUGH */
3983         case ISPASYNC_LOOP_DOWN:
3984                 if (msg == NULL)
3985                         msg = "LOOP Down";
3986                 va_start(ap, cmd);
3987                 bus = va_arg(ap, int);
3988                 va_end(ap);
3989                 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0);
3990                 isp_loop_changed(isp, bus);
3991                 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
3992                 break;
3993         case ISPASYNC_LOOP_UP:
3994                 va_start(ap, cmd);
3995                 bus = va_arg(ap, int);
3996                 va_end(ap);
3997                 isp_loop_changed(isp, bus);
3998                 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
3999                 break;
4000         case ISPASYNC_DEV_ARRIVED:
4001                 va_start(ap, cmd);
4002                 bus = va_arg(ap, int);
4003                 lp = va_arg(ap, fcportdb_t *);
4004                 va_end(ap);
4005                 fc = ISP_FC_PC(isp, bus);
4006                 tgt = FC_PORTDB_TGT(isp, bus, lp);
4007                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4008                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived");
4009                 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
4010                     (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
4011                         lp->is_target = 1;
4012                         isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4013                         isp_make_here(isp, lp, bus, tgt);
4014                 }
4015                 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
4016                     (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) {
4017                         lp->is_initiator = 1;
4018                         ac.contract_number = AC_CONTRACT_DEV_CHG;
4019                         adc = (struct ac_device_changed *) ac.contract_data;
4020                         adc->wwpn = lp->port_wwn;
4021                         adc->port = lp->portid;
4022                         adc->target = tgt;
4023                         adc->arrived = 1;
4024                         xpt_async(AC_CONTRACT, fc->path, &ac);
4025                 }
4026                 break;
4027         case ISPASYNC_DEV_CHANGED:
4028                 va_start(ap, cmd);
4029                 bus = va_arg(ap, int);
4030                 lp = va_arg(ap, fcportdb_t *);
4031                 va_end(ap);
4032                 fc = ISP_FC_PC(isp, bus);
4033                 tgt = FC_PORTDB_TGT(isp, bus, lp);
4034                 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3);
4035                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed");
4036 changed:
4037                 if (lp->is_target !=
4038                     ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
4039                      (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) {
4040                         lp->is_target = !lp->is_target;
4041                         if (lp->is_target) {
4042                                 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4043                                 isp_make_here(isp, lp, bus, tgt);
4044                         } else {
4045                                 isp_make_gone(isp, lp, bus, tgt);
4046                                 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4047                         }
4048                 }
4049                 if (lp->is_initiator !=
4050                     ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
4051                      (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) {
4052                         lp->is_initiator = !lp->is_initiator;
4053                         ac.contract_number = AC_CONTRACT_DEV_CHG;
4054                         adc = (struct ac_device_changed *) ac.contract_data;
4055                         adc->wwpn = lp->port_wwn;
4056                         adc->port = lp->portid;
4057                         adc->target = tgt;
4058                         adc->arrived = lp->is_initiator;
4059                         xpt_async(AC_CONTRACT, fc->path, &ac);
4060                 }
4061                 break;
4062         case ISPASYNC_DEV_STAYED:
4063                 va_start(ap, cmd);
4064                 bus = va_arg(ap, int);
4065                 lp = va_arg(ap, fcportdb_t *);
4066                 va_end(ap);
4067                 fc = ISP_FC_PC(isp, bus);
4068                 tgt = FC_PORTDB_TGT(isp, bus, lp);
4069                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4070                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed");
4071                 goto changed;
4072         case ISPASYNC_DEV_GONE:
4073                 va_start(ap, cmd);
4074                 bus = va_arg(ap, int);
4075                 lp = va_arg(ap, fcportdb_t *);
4076                 va_end(ap);
4077                 fc = ISP_FC_PC(isp, bus);
4078                 tgt = FC_PORTDB_TGT(isp, bus, lp);
4079                 /*
4080                  * If this has a virtual target or initiator set the isp_gdt
4081                  * timer running on it to delay its departure.
4082                  */
4083                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4084                 if (lp->is_target || lp->is_initiator) {
4085                         lp->state = FC_PORTDB_STATE_ZOMBIE;
4086                         lp->gone_timer = fc->gone_device_time;
4087                         isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie");
4088                         if (fc->ready && !callout_active(&fc->gdt)) {
4089                                 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);
4090                                 callout_reset(&fc->gdt, hz, isp_gdt, fc);
4091                         }
4092                         break;
4093                 }
4094                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone");
4095                 break;
4096         case ISPASYNC_CHANGE_NOTIFY:
4097         {
4098                 char *msg;
4099                 int evt, nphdl, nlstate, portid, reason;
4100
4101                 va_start(ap, cmd);
4102                 bus = va_arg(ap, int);
4103                 evt = va_arg(ap, int);
4104                 if (evt == ISPASYNC_CHANGE_PDB) {
4105                         nphdl = va_arg(ap, int);
4106                         nlstate = va_arg(ap, int);
4107                         reason = va_arg(ap, int);
4108                 } else if (evt == ISPASYNC_CHANGE_SNS) {
4109                         portid = va_arg(ap, int);
4110                 } else {
4111                         nphdl = NIL_HANDLE;
4112                         nlstate = reason = 0;
4113                 }
4114                 va_end(ap);
4115                 fc = ISP_FC_PC(isp, bus);
4116
4117                 if (evt == ISPASYNC_CHANGE_PDB) {
4118                         msg = "Port Database Changed";
4119                         isp_prt(isp, ISP_LOGINFO,
4120                             "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)",
4121                             bus, msg, nphdl, nlstate, reason);
4122                 } else if (evt == ISPASYNC_CHANGE_SNS) {
4123                         msg = "Name Server Database Changed";
4124                         isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)",
4125                             bus, msg, portid);
4126                 } else {
4127                         msg = "Other Change Notify";
4128                         isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
4129                 }
4130                 isp_loop_changed(isp, bus);
4131                 break;
4132         }
4133 #ifdef  ISP_TARGET_MODE
4134         case ISPASYNC_TARGET_NOTIFY:
4135         {
4136                 isp_notify_t *notify;
4137                 va_start(ap, cmd);
4138                 notify = va_arg(ap, isp_notify_t *);
4139                 va_end(ap);
4140                 switch (notify->nt_ncode) {
4141                 case NT_ABORT_TASK:
4142                 case NT_ABORT_TASK_SET:
4143                 case NT_CLEAR_ACA:
4144                 case NT_CLEAR_TASK_SET:
4145                 case NT_LUN_RESET:
4146                 case NT_TARGET_RESET:
4147                 case NT_QUERY_TASK_SET:
4148                 case NT_QUERY_ASYNC_EVENT:
4149                         /*
4150                          * These are task management functions.
4151                          */
4152                         isp_handle_platform_target_tmf(isp, notify);
4153                         break;
4154                 case NT_BUS_RESET:
4155                 case NT_LIP_RESET:
4156                 case NT_LINK_UP:
4157                 case NT_LINK_DOWN:
4158                 case NT_HBA_RESET:
4159                         /*
4160                          * No action need be taken here.
4161                          */
4162                         break;
4163                 case NT_GLOBAL_LOGOUT:
4164                 case NT_LOGOUT:
4165                         /*
4166                          * This is device arrival/departure notification
4167                          */
4168                         isp_handle_platform_target_notify_ack(isp, notify, 0);
4169                         break;
4170                 default:
4171                         isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
4172                         isp_handle_platform_target_notify_ack(isp, notify, 0);
4173                         break;
4174                 }
4175                 break;
4176         }
4177         case ISPASYNC_TARGET_NOTIFY_ACK:
4178         {
4179                 void *inot;
4180                 va_start(ap, cmd);
4181                 inot = va_arg(ap, void *);
4182                 va_end(ap);
4183                 if (isp_notify_ack(isp, inot)) {
4184                         isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
4185                         if (tp) {
4186                                 tp->isp = isp;
4187                                 if (inot) {
4188                                         memcpy(tp->data, inot, sizeof (tp->data));
4189                                         tp->not = tp->data;
4190                                 } else {
4191                                         tp->not = NULL;
4192                                 }
4193                                 callout_init_mtx(&tp->timer, &isp->isp_lock, 0);
4194                                 callout_reset(&tp->timer, 5,
4195                                     isp_refire_notify_ack, tp);
4196                         } else {
4197                                 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
4198                         }
4199                 }
4200                 break;
4201         }
4202         case ISPASYNC_TARGET_ACTION:
4203         {
4204                 isphdr_t *hp;
4205
4206                 va_start(ap, cmd);
4207                 hp = va_arg(ap, isphdr_t *);
4208                 va_end(ap);
4209                 switch (hp->rqs_entry_type) {
4210                 default:
4211                         isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type);
4212                         break;
4213                 case RQSTYPE_NOTIFY:
4214                         if (IS_24XX(isp)) {
4215                                 isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp);
4216                         } else {
4217                                 isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp);
4218                         }
4219                         break;
4220                 case RQSTYPE_ATIO:
4221                         isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
4222                         break;
4223                 case RQSTYPE_ATIO2:
4224                         isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
4225                         break;
4226                 case RQSTYPE_CTIO7:
4227                 case RQSTYPE_CTIO3:
4228                 case RQSTYPE_CTIO2:
4229                 case RQSTYPE_CTIO:
4230                         isp_handle_platform_ctio(isp, hp);
4231                         break;
4232                 case RQSTYPE_ABTS_RCVD:
4233                 {
4234                         abts_t *abts = (abts_t *)hp;
4235                         isp_notify_t notify, *nt = &notify;
4236                         atio_private_data_t *atp;
4237                         fcportdb_t *lp;
4238                         uint16_t chan;
4239                         uint32_t sid, did;
4240
4241                         did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
4242                         sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
4243                         ISP_MEMZERO(nt, sizeof (isp_notify_t));
4244
4245                         nt->nt_hba = isp;
4246                         nt->nt_did = did;
4247                         nt->nt_nphdl = abts->abts_nphdl;
4248                         nt->nt_sid = sid;
4249                         isp_find_chan_by_did(isp, did, &chan);
4250                         if (chan == ISP_NOCHAN) {
4251                                 nt->nt_tgt = TGT_ANY;
4252                         } else {
4253                                 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
4254                                 if (isp_find_pdb_by_handle(isp, chan, abts->abts_nphdl, &lp)) {
4255                                         nt->nt_wwn = lp->port_wwn;
4256                                 } else {
4257                                         nt->nt_wwn = INI_ANY;
4258                                 }
4259                         }
4260                         /*
4261                          * Try hard to find the lun for this command.
4262                          */
4263                         atp = isp_find_atpd(isp, chan, abts->abts_rxid_task);
4264                         nt->nt_lun = atp ? atp->lun : LUN_ANY;
4265                         nt->nt_need_ack = 1;
4266                         nt->nt_tagval = abts->abts_rxid_task;
4267                         nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
4268                         if (abts->abts_rxid_task == ISP24XX_NO_TASK) {
4269                                 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)",
4270                                     abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id);
4271                         } else {
4272                                 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)",
4273                                     abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id);
4274                         }
4275                         nt->nt_channel = chan;
4276                         nt->nt_ncode = NT_ABORT_TASK;
4277                         nt->nt_lreserved = hp;
4278                         isp_handle_platform_target_tmf(isp, nt);
4279                         break;
4280                 }
4281                 }
4282                 break;
4283         }
4284 #endif
4285         case ISPASYNC_FW_CRASH:
4286         {
4287                 uint16_t mbox1, mbox6;
4288                 mbox1 = ISP_READ(isp, OUTMAILBOX1);
4289                 if (IS_DUALBUS(isp)) {
4290                         mbox6 = ISP_READ(isp, OUTMAILBOX6);
4291                 } else {
4292                         mbox6 = 0;
4293                 }
4294                 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
4295                 mbox1 = isp->isp_osinfo.mbox_sleep_ok;
4296                 isp->isp_osinfo.mbox_sleep_ok = 0;
4297                 isp_reinit(isp, 1);
4298                 isp->isp_osinfo.mbox_sleep_ok = mbox1;
4299                 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
4300                 break;
4301         }
4302         default:
4303                 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
4304                 break;
4305         }
4306 }
4307
4308
4309 /*
4310  * Locks are held before coming here.
4311  */
4312 void
4313 isp_uninit(ispsoftc_t *isp)
4314 {
4315         if (IS_24XX(isp)) {
4316                 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
4317         } else {
4318                 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
4319         }
4320         ISP_DISABLE_INTS(isp);
4321 }
4322
4323 uint64_t
4324 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
4325 {
4326         uint64_t seed;
4327         struct isp_fc *fc = ISP_FC_PC(isp, chan);
4328
4329         /* First try to use explicitly configured WWNs. */
4330         seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
4331         if (seed)
4332                 return (seed);
4333
4334         /* Otherwise try to use WWNs from NVRAM. */
4335         if (isactive) {
4336                 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram :
4337                     FCPARAM(isp, chan)->isp_wwpn_nvram;
4338                 if (seed)
4339                         return (seed);
4340         }
4341
4342         /* If still no WWNs, try to steal them from the first channel. */
4343         if (chan > 0) {
4344                 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn :
4345                     ISP_FC_PC(isp, 0)->def_wwpn;
4346                 if (seed == 0) {
4347                         seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram :
4348                             FCPARAM(isp, 0)->isp_wwpn_nvram;
4349                 }
4350         }
4351
4352         /* If still nothing -- improvise. */
4353         if (seed == 0) {
4354                 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev);
4355                 if (!iswwnn)
4356                         seed ^= 0x0100000000000000ULL;
4357         }
4358
4359         /* For additional channels we have to improvise even more. */
4360         if (!iswwnn && chan > 0) {
4361                 /*
4362                  * We'll stick our channel number plus one first into bits
4363                  * 57..59 and thence into bits 52..55 which allows for 8 bits
4364                  * of channel which is enough for our maximum of 255 channels.
4365                  */
4366                 seed ^= 0x0100000000000000ULL;
4367                 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56;
4368                 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
4369         }
4370         return (seed);
4371 }
4372
4373 void
4374 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
4375 {
4376         int loc;
4377         char lbuf[200];
4378         va_list ap;
4379
4380         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4381                 return;
4382         }
4383         snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
4384         loc = strlen(lbuf);
4385         va_start(ap, fmt);
4386         vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
4387         va_end(ap);
4388         printf("%s\n", lbuf);
4389 }
4390
4391 void
4392 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
4393 {
4394         va_list ap;
4395         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4396                 return;
4397         }
4398         xpt_print_path(xs->ccb_h.path);
4399         va_start(ap, fmt);
4400         vprintf(fmt, ap);
4401         va_end(ap);
4402         printf("\n");
4403 }
4404
4405 uint64_t
4406 isp_nanotime_sub(struct timespec *b, struct timespec *a)
4407 {
4408         uint64_t elapsed;
4409         struct timespec x = *b;
4410         timespecsub(&x, a);
4411         elapsed = GET_NANOSEC(&x);
4412         if (elapsed == 0)
4413                 elapsed++;
4414         return (elapsed);
4415 }
4416
4417 int
4418 isp_mbox_acquire(ispsoftc_t *isp)
4419 {
4420         if (isp->isp_osinfo.mboxbsy) {
4421                 return (1);
4422         } else {
4423                 isp->isp_osinfo.mboxcmd_done = 0;
4424                 isp->isp_osinfo.mboxbsy = 1;
4425                 return (0);
4426         }
4427 }
4428
4429 void
4430 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
4431 {
4432         unsigned int usecs = mbp->timeout;
4433         unsigned int max, olim, ilim;
4434
4435         if (usecs == 0) {
4436                 usecs = MBCMD_DEFAULT_TIMEOUT;
4437         }
4438         max = isp->isp_mbxwrk0 + 1;
4439
4440         if (isp->isp_osinfo.mbox_sleep_ok) {
4441                 unsigned int ms = (usecs + 999) / 1000;
4442
4443                 isp->isp_osinfo.mbox_sleep_ok = 0;
4444                 isp->isp_osinfo.mbox_sleeping = 1;
4445                 for (olim = 0; olim < max; olim++) {
4446                         msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms));
4447                         if (isp->isp_osinfo.mboxcmd_done) {
4448                                 break;
4449                         }
4450                 }
4451                 isp->isp_osinfo.mbox_sleep_ok = 1;
4452                 isp->isp_osinfo.mbox_sleeping = 0;
4453         } else {
4454                 for (olim = 0; olim < max; olim++) {
4455                         for (ilim = 0; ilim < usecs; ilim += 100) {
4456                                 uint16_t isr, sema, info;
4457                                 if (isp->isp_osinfo.mboxcmd_done) {
4458                                         break;
4459                                 }
4460                                 if (ISP_READ_ISR(isp, &isr, &sema, &info)) {
4461                                         isp_intr(isp, isr, sema, info);
4462                                         if (isp->isp_osinfo.mboxcmd_done) {
4463                                                 break;
4464                                         }
4465                                 }
4466                                 ISP_DELAY(100);
4467                         }
4468                         if (isp->isp_osinfo.mboxcmd_done) {
4469                                 break;
4470                         }
4471                 }
4472         }
4473         if (isp->isp_osinfo.mboxcmd_done == 0) {
4474                 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)",
4475                     isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno);
4476                 mbp->param[0] = MBOX_TIMEOUT;
4477                 isp->isp_osinfo.mboxcmd_done = 1;
4478         }
4479 }
4480
4481 void
4482 isp_mbox_notify_done(ispsoftc_t *isp)
4483 {
4484         if (isp->isp_osinfo.mbox_sleeping) {
4485                 wakeup(&isp->isp_mbxworkp);
4486         }
4487         isp->isp_osinfo.mboxcmd_done = 1;
4488 }
4489
4490 void
4491 isp_mbox_release(ispsoftc_t *isp)
4492 {
4493         isp->isp_osinfo.mboxbsy = 0;
4494 }
4495
4496 int
4497 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
4498 {
4499         int ret = 0;
4500         if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
4501                 ret = -1;
4502         } else {
4503                 isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
4504         }
4505         return (ret);
4506 }
4507
4508 int
4509 isp_mstohz(int ms)
4510 {
4511         int hz;
4512         struct timeval t;
4513         t.tv_sec = ms / 1000;
4514         t.tv_usec = (ms % 1000) * 1000;
4515         hz = tvtohz(&t);
4516         if (hz < 0) {
4517                 hz = 0x7fffffff;
4518         }
4519         if (hz == 0) {
4520                 hz = 1;
4521         }
4522         return (hz);
4523 }
4524
4525 void
4526 isp_platform_intr(void *arg)
4527 {
4528         ispsoftc_t *isp = arg;
4529         uint16_t isr, sema, info;
4530
4531         ISP_LOCK(isp);
4532         isp->isp_intcnt++;
4533         if (ISP_READ_ISR(isp, &isr, &sema, &info))
4534                 isp_intr(isp, isr, sema, info);
4535         else
4536                 isp->isp_intbogus++;
4537         ISP_UNLOCK(isp);
4538 }
4539
4540 void
4541 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
4542 {
4543         if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
4544                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
4545         } else {
4546                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
4547         }
4548         bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
4549 }
4550
4551 /*
4552  * Reset the command reference number for all LUNs on a specific target
4553  * (needed when a target arrives again) or for all targets on a port
4554  * (needed for events like a LIP).
4555  */
4556 void
4557 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set)
4558 {
4559         struct isp_fc *fc = ISP_FC_PC(isp, chan);
4560         struct isp_nexus *nxp;
4561         int i;
4562
4563         if (tgt_set == 0)
4564                 isp_prt(isp, ISP_LOGDEBUG0,
4565                     "Chan %d resetting CRN on all targets", chan);
4566         else
4567                 isp_prt(isp, ISP_LOGDEBUG0,
4568                     "Chan %d resetting CRN on target %u", chan, tgt);
4569
4570         for (i = 0; i < NEXUS_HASH_WIDTH; i++) {
4571                 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) {
4572                         if (tgt_set == 0 || tgt == nxp->tgt)
4573                                 nxp->crnseed = 0;
4574                 }
4575         }
4576 }
4577
4578 int
4579 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
4580 {
4581         lun_id_t lun;
4582         uint32_t chan, tgt;
4583         struct isp_fc *fc;
4584         struct isp_nexus *nxp;
4585         int idx;
4586
4587         if (IS_2100(isp))
4588                 return (0);
4589
4590         chan = XS_CHANNEL(cmd);
4591         tgt = XS_TGT(cmd);
4592         lun = XS_LUN(cmd);
4593         fc = &isp->isp_osinfo.pc.fc[chan];
4594         idx = NEXUS_HASH(tgt, lun);
4595         nxp = fc->nexus_hash[idx];
4596
4597         while (nxp) {
4598                 if (nxp->tgt == tgt && nxp->lun == lun)
4599                         break;
4600                 nxp = nxp->next;
4601         }
4602         if (nxp == NULL) {
4603                 nxp = fc->nexus_free_list;
4604                 if (nxp == NULL) {
4605                         nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
4606                         if (nxp == NULL) {
4607                                 return (-1);
4608                         }
4609                 } else {
4610                         fc->nexus_free_list = nxp->next;
4611                 }
4612                 nxp->tgt = tgt;
4613                 nxp->lun = lun;
4614                 nxp->next = fc->nexus_hash[idx];
4615                 fc->nexus_hash[idx] = nxp;
4616         }
4617         if (nxp->crnseed == 0)
4618                 nxp->crnseed = 1;
4619         PISP_PCMD(cmd)->crn = nxp->crnseed;
4620         *crnp = nxp->crnseed++;
4621         return (0);
4622 }
4623
4624 /*
4625  * We enter with the lock held
4626  */
4627 void
4628 isp_timer(void *arg)
4629 {
4630         ispsoftc_t *isp = arg;
4631 #ifdef  ISP_TARGET_MODE
4632         isp_tmcmd_restart(isp);
4633 #endif
4634         callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
4635 }
4636
4637 isp_ecmd_t *
4638 isp_get_ecmd(ispsoftc_t *isp)
4639 {
4640         isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
4641         if (ecmd) {
4642                 isp->isp_osinfo.ecmd_free = ecmd->next;
4643         }
4644         return (ecmd);
4645 }
4646
4647 void
4648 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
4649 {
4650         ecmd->next = isp->isp_osinfo.ecmd_free;
4651         isp->isp_osinfo.ecmd_free = ecmd;
4652 }