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_cam_async(void *, uint32_t, struct cam_path *, void *);
  56 static void isp_poll(struct cam_sim *);
  57 static timeout_t isp_watchdog;
  58 static timeout_t isp_gdt;
  59 static task_fn_t isp_gdt_task;
  60 static void isp_kthread(void *);
  61 static void isp_action(struct cam_sim *, union ccb *);
  62 static int isp_timer_count;
  63 static void isp_timer(void *);
  64
  65 static struct cdevsw isp_cdevsw = {
  66         .d_version =    D_VERSION,
  67         .d_ioctl =      ispioctl,
  68         .d_name =       "isp",
  69 };
  70
  71 static int
  72 isp_role_sysctl(SYSCTL_HANDLER_ARGS)
  73 {
  74         ispsoftc_t *isp = (ispsoftc_t *)arg1;
  75         int chan = arg2;
  76         int error, old, value;
  77
  78         value = FCPARAM(isp, chan)->role;
  79
  80         error = sysctl_handle_int(oidp, &value, 0, req);
  81         if ((error != 0) || (req->newptr == NULL))
  82                 return (error);
  83
  84         if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH)
  85                 return (EINVAL);
  86
  87         ISP_LOCK(isp);
  88         old = FCPARAM(isp, chan)->role;
  89
  90         /* We don't allow target mode switch from here. */
  91         value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR);
  92
  93         /* If nothing has changed -- we are done. */
  94         if (value == old) {
  95                 ISP_UNLOCK(isp);
  96                 return (0);
  97         }
  98
  99         /* Actually change the role. */
 100         error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value);
 101         ISP_UNLOCK(isp);
 102         return (error);
 103 }
 104
 105 static int
 106 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
 107 {
 108         struct ccb_setasync csa;
 109         struct cam_sim *sim;
 110         struct cam_path *path;
 111 #ifdef  ISP_TARGET_MODE
 112         int i;
 113 #endif
 114
 115         sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
 116             device_get_unit(isp->isp_dev), &isp->isp_lock,
 117             isp->isp_maxcmds, isp->isp_maxcmds, devq);
 118         if (sim == NULL)
 119                 return (ENOMEM);
 120
 121         ISP_LOCK(isp);
 122         if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
 123                 ISP_UNLOCK(isp);
 124                 cam_sim_free(sim, FALSE);
 125                 return (EIO);
 126         }
 127         ISP_UNLOCK(isp);
 128         if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 129                 ISP_LOCK(isp);
 130                 xpt_bus_deregister(cam_sim_path(sim));
 131                 ISP_UNLOCK(isp);
 132                 cam_sim_free(sim, FALSE);
 133                 return (ENXIO);
 134         }
 135         xpt_setup_ccb(&csa.ccb_h, path, 5);
 136         csa.ccb_h.func_code = XPT_SASYNC_CB;
 137         csa.event_enable = AC_LOST_DEVICE;
 138         csa.callback = isp_cam_async;
 139         csa.callback_arg = sim;
 140
 141         ISP_LOCK(isp);
 142         xpt_action((union ccb *)&csa);
 143         ISP_UNLOCK(isp);
 144
 145         if (IS_SCSI(isp)) {
 146                 struct isp_spi *spi = ISP_SPI_PC(isp, chan);
 147                 spi->sim = sim;
 148                 spi->path = path;
 149 #ifdef  ISP_TARGET_MODE
 150                 TAILQ_INIT(&spi->waitq);
 151                 STAILQ_INIT(&spi->ntfree);
 152                 for (i = 0; i < ATPDPSIZE; i++)
 153                         STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next);
 154                 LIST_INIT(&spi->atfree);
 155                 for (i = ATPDPSIZE-1; i >= 0; i--)
 156                         LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next);
 157                 for (i = 0; i < ATPDPHASHSIZE; i++)
 158                         LIST_INIT(&spi->atused[i]);
 159 #endif
 160         } else {
 161                 fcparam *fcp = FCPARAM(isp, chan);
 162                 struct isp_fc *fc = ISP_FC_PC(isp, chan);
 163                 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
 164                 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
 165                 char name[16];
 166
 167                 ISP_LOCK(isp);
 168                 fc->sim = sim;
 169                 fc->path = path;
 170                 fc->isp = isp;
 171                 fc->ready = 1;
 172
 173                 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0);
 174                 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
 175 #ifdef  ISP_TARGET_MODE
 176                 TAILQ_INIT(&fc->waitq);
 177                 STAILQ_INIT(&fc->ntfree);
 178                 for (i = 0; i < ATPDPSIZE; i++)
 179                         STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next);
 180                 LIST_INIT(&fc->atfree);
 181                 for (i = ATPDPSIZE-1; i >= 0; i--)
 182                         LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next);
 183                 for (i = 0; i < ATPDPHASHSIZE; i++)
 184                         LIST_INIT(&fc->atused[i]);
 185 #endif
 186                 isp_loop_changed(isp, chan);
 187                 ISP_UNLOCK(isp);
 188                 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0,
 189                     "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
 190                         xpt_free_path(fc->path);
 191                         ISP_LOCK(isp);
 192                         xpt_bus_deregister(cam_sim_path(fc->sim));
 193                         ISP_UNLOCK(isp);
 194                         cam_sim_free(fc->sim, FALSE);
 195                         return (ENOMEM);
 196                 }
 197                 fc->num_threads += 1;
 198                 if (chan > 0) {
 199                         snprintf(name, sizeof(name), "chan%d", chan);
 200                         tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree),
 201                             OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel");
 202                 }
 203                 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 204                     "wwnn", CTLFLAG_RD, &fcp->isp_wwnn,
 205                     "World Wide Node Name");
 206                 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 207                     "wwpn", CTLFLAG_RD, &fcp->isp_wwpn,
 208                     "World Wide Port Name");
 209                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 210                     "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0,
 211                     "Loop Down Limit");
 212                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 213                     "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0,
 214                     "Gone Device Time");
 215 #if defined(ISP_TARGET_MODE) && defined(DEBUG)
 216                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 217                     "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0,
 218                     "Cause a Lost Frame on a Read");
 219 #endif
 220                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 221                     "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan,
 222                     isp_role_sysctl, "I", "Current role");
 223                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 224                     "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0,
 225                     "Connection speed in gigabits");
 226                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 227                     "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0,
 228                     "Link state");
 229                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 230                     "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0,
 231                     "Firmware state");
 232                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 233                     "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0,
 234                     "Loop state");
 235                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 236                     "topo", CTLFLAG_RD, &fcp->isp_topo, 0,
 237                     "Connection topology");
 238         }
 239         return (0);
 240 }
 241
 242 static void
 243 isp_detach_chan(ispsoftc_t *isp, int chan)
 244 {
 245         struct cam_sim *sim;
 246         struct cam_path *path;
 247         struct ccb_setasync csa;
 248         int *num_threads;
 249
 250         ISP_GET_PC(isp, chan, sim, sim);
 251         ISP_GET_PC(isp, chan, path, path);
 252         ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads);
 253
 254         xpt_setup_ccb(&csa.ccb_h, path, 5);
 255         csa.ccb_h.func_code = XPT_SASYNC_CB;
 256         csa.event_enable = 0;
 257         csa.callback = isp_cam_async;
 258         csa.callback_arg = sim;
 259         xpt_action((union ccb *)&csa);
 260         xpt_free_path(path);
 261         xpt_bus_deregister(cam_sim_path(sim));
 262         cam_sim_free(sim, FALSE);
 263
 264         /* Wait for the channel's spawned threads to exit. */
 265         wakeup(isp->isp_osinfo.pc.ptr);
 266         while (*num_threads != 0)
 267                 mtx_sleep(isp, &isp->isp_lock, PRIBIO, "isp_reap", 100);
 268 }
 269
 270 int
 271 isp_attach(ispsoftc_t *isp)
 272 {
 273         const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
 274         int du = device_get_unit(isp->isp_dev);
 275         int chan;
 276
 277         /*
 278          * Create the device queue for our SIM(s).
 279          */
 280         isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
 281         if (isp->isp_osinfo.devq == NULL) {
 282                 return (EIO);
 283         }
 284
 285         for (chan = 0; chan < isp->isp_nchan; chan++) {
 286                 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
 287                         goto unwind;
 288                 }
 289         }
 290
 291         callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0);
 292         isp_timer_count = hz >> 2;
 293         callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
 294
 295         isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
 296         if (isp->isp_osinfo.cdev) {
 297                 isp->isp_osinfo.cdev->si_drv1 = isp;
 298         }
 299         return (0);
 300
 301 unwind:
 302         while (--chan >= 0) {
 303                 struct cam_sim *sim;
 304                 struct cam_path *path;
 305
 306                 ISP_GET_PC(isp, chan, sim, sim);
 307                 ISP_GET_PC(isp, chan, path, path);
 308                 xpt_free_path(path);
 309                 ISP_LOCK(isp);
 310                 xpt_bus_deregister(cam_sim_path(sim));
 311                 ISP_UNLOCK(isp);
 312                 cam_sim_free(sim, FALSE);
 313         }
 314         cam_simq_free(isp->isp_osinfo.devq);
 315         isp->isp_osinfo.devq = NULL;
 316         return (-1);
 317 }
 318
 319 int
 320 isp_detach(ispsoftc_t *isp)
 321 {
 322         int chan;
 323
 324         if (isp->isp_osinfo.cdev) {
 325                 destroy_dev(isp->isp_osinfo.cdev);
 326                 isp->isp_osinfo.cdev = NULL;
 327         }
 328         ISP_LOCK(isp);
 329         /* Tell spawned threads that we're exiting. */
 330         isp->isp_osinfo.is_exiting = 1;
 331         for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1)
 332                 isp_detach_chan(isp, chan);
 333         ISP_UNLOCK(isp);
 334         callout_drain(&isp->isp_osinfo.tmo);
 335         cam_simq_free(isp->isp_osinfo.devq);
 336         return (0);
 337 }
 338
 339 static void
 340 isp_freeze_loopdown(ispsoftc_t *isp, int chan)
 341 {
 342         struct isp_fc *fc = ISP_FC_PC(isp, chan);
 343
 344         if (fc->sim == NULL)
 345                 return;
 346         if (fc->simqfrozen == 0) {
 347                 isp_prt(isp, ISP_LOGDEBUG0,
 348                     "Chan %d Freeze simq (loopdown)", chan);
 349                 fc->simqfrozen = SIMQFRZ_LOOPDOWN;
 350                 xpt_hold_boot();
 351                 xpt_freeze_simq(fc->sim, 1);
 352         } else {
 353                 isp_prt(isp, ISP_LOGDEBUG0,
 354                     "Chan %d Mark simq frozen (loopdown)", chan);
 355                 fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
 356         }
 357 }
 358
 359 static void
 360 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
 361 {
 362         struct isp_fc *fc = ISP_FC_PC(isp, chan);
 363
 364         if (fc->sim == NULL)
 365                 return;
 366         int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
 367         fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
 368         if (wasfrozen && fc->simqfrozen == 0) {
 369                 isp_prt(isp, ISP_LOGDEBUG0,
 370                     "Chan %d Release simq", chan);
 371                 xpt_release_simq(fc->sim, 1);
 372                 xpt_release_boot();
 373         }
 374 }
 375
 376 static int
 377 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
 378 {
 379         ispsoftc_t *isp;
 380         int nr, chan, retval = ENOTTY;
 381
 382         isp = dev->si_drv1;
 383
 384         switch (c) {
 385         case ISP_SDBLEV:
 386         {
 387                 int olddblev = isp->isp_dblev;
 388                 isp->isp_dblev = *(int *)addr;
 389                 *(int *)addr = olddblev;
 390                 retval = 0;
 391                 break;
 392         }
 393         case ISP_GETROLE:
 394                 chan = *(int *)addr;
 395                 if (chan < 0 || chan >= isp->isp_nchan) {
 396                         retval = -ENXIO;
 397                         break;
 398                 }
 399                 if (IS_FC(isp)) {
 400                         *(int *)addr = FCPARAM(isp, chan)->role;
 401                 } else {
 402                         *(int *)addr = ISP_ROLE_INITIATOR;
 403                 }
 404                 retval = 0;
 405                 break;
 406         case ISP_SETROLE:
 407                 if (IS_SCSI(isp))
 408                         break;
 409                 nr = *(int *)addr;
 410                 chan = nr >> 8;
 411                 if (chan < 0 || chan >= isp->isp_nchan) {
 412                         retval = -ENXIO;
 413                         break;
 414                 }
 415                 nr &= 0xff;
 416                 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
 417                         retval = EINVAL;
 418                         break;
 419                 }
 420                 ISP_LOCK(isp);
 421                 *(int *)addr = FCPARAM(isp, chan)->role;
 422                 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr);
 423                 ISP_UNLOCK(isp);
 424                 retval = 0;
 425                 break;
 426
 427         case ISP_RESETHBA:
 428                 ISP_LOCK(isp);
 429                 isp_reinit(isp, 0);
 430                 ISP_UNLOCK(isp);
 431                 retval = 0;
 432                 break;
 433
 434         case ISP_RESCAN:
 435                 if (IS_FC(isp)) {
 436                         chan = *(int *)addr;
 437                         if (chan < 0 || chan >= isp->isp_nchan) {
 438                                 retval = -ENXIO;
 439                                 break;
 440                         }
 441                         ISP_LOCK(isp);
 442                         if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) {
 443                                 retval = EIO;
 444                         } else {
 445                                 retval = 0;
 446                         }
 447                         ISP_UNLOCK(isp);
 448                 }
 449                 break;
 450
 451         case ISP_FC_LIP:
 452                 if (IS_FC(isp)) {
 453                         chan = *(int *)addr;
 454                         if (chan < 0 || chan >= isp->isp_nchan) {
 455                                 retval = -ENXIO;
 456                                 break;
 457                         }
 458                         ISP_LOCK(isp);
 459                         if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
 460                                 retval = EIO;
 461                         } else {
 462                                 retval = 0;
 463                         }
 464                         ISP_UNLOCK(isp);
 465                 }
 466                 break;
 467         case ISP_FC_GETDINFO:
 468         {
 469                 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
 470                 fcportdb_t *lp;
 471
 472                 if (IS_SCSI(isp)) {
 473                         break;
 474                 }
 475                 if (ifc->loopid >= MAX_FC_TARG) {
 476                         retval = EINVAL;
 477                         break;
 478                 }
 479                 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
 480                 if (lp->state != FC_PORTDB_STATE_NIL) {
 481                         ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
 482                         ifc->loopid = lp->handle;
 483                         ifc->portid = lp->portid;
 484                         ifc->node_wwn = lp->node_wwn;
 485                         ifc->port_wwn = lp->port_wwn;
 486                         retval = 0;
 487                 } else {
 488                         retval = ENODEV;
 489                 }
 490                 break;
 491         }
 492         case ISP_FC_GETHINFO:
 493         {
 494                 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
 495                 int chan = hba->fc_channel;
 496
 497                 if (chan < 0 || chan >= isp->isp_nchan) {
 498                         retval = ENXIO;
 499                         break;
 500                 }
 501                 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
 502                 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
 503                 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
 504                 hba->fc_nchannels = isp->isp_nchan;
 505                 if (IS_FC(isp)) {
 506                         hba->fc_nports = MAX_FC_TARG;
 507                         hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
 508                         hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
 509                         hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
 510                         hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
 511                         hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
 512                         hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
 513                         hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
 514                 } else {
 515                         hba->fc_nports = MAX_TARGETS;
 516                         hba->fc_speed = 0;
 517                         hba->fc_topology = 0;
 518                         hba->nvram_node_wwn = 0ull;
 519                         hba->nvram_port_wwn = 0ull;
 520                         hba->active_node_wwn = 0ull;
 521                         hba->active_port_wwn = 0ull;
 522                 }
 523                 retval = 0;
 524                 break;
 525         }
 526         case ISP_TSK_MGMT:
 527         {
 528                 int needmarker;
 529                 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
 530                 uint16_t nphdl;
 531                 mbreg_t mbs;
 532
 533                 if (IS_SCSI(isp)) {
 534                         break;
 535                 }
 536
 537                 chan = fct->chan;
 538                 if (chan < 0 || chan >= isp->isp_nchan) {
 539                         retval = -ENXIO;
 540                         break;
 541                 }
 542
 543                 needmarker = retval = 0;
 544                 nphdl = fct->loopid;
 545                 ISP_LOCK(isp);
 546                 if (IS_24XX(isp)) {
 547                         void *reqp;
 548                         uint8_t resp[QENTRY_LEN];
 549                         isp24xx_tmf_t tmf;
 550                         isp24xx_statusreq_t sp;
 551                         fcparam *fcp = FCPARAM(isp, chan);
 552                         fcportdb_t *lp;
 553                         int i;
 554
 555                         for (i = 0; i < MAX_FC_TARG; i++) {
 556                                 lp = &fcp->portdb[i];
 557                                 if (lp->handle == nphdl) {
 558                                         break;
 559                                 }
 560                         }
 561                         if (i == MAX_FC_TARG) {
 562                                 retval = ENXIO;
 563                                 ISP_UNLOCK(isp);
 564                                 break;
 565                         }
 566                         ISP_MEMZERO(&tmf, sizeof(tmf));
 567                         tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
 568                         tmf.tmf_header.rqs_entry_count = 1;
 569                         tmf.tmf_nphdl = lp->handle;
 570                         tmf.tmf_delay = 2;
 571                         tmf.tmf_timeout = 4;
 572                         tmf.tmf_tidlo = lp->portid;
 573                         tmf.tmf_tidhi = lp->portid >> 16;
 574                         tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan);
 575                         tmf.tmf_lun[1] = fct->lun & 0xff;
 576                         if (fct->lun >= 256) {
 577                                 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8);
 578                         }
 579                         switch (fct->action) {
 580                         case IPT_CLEAR_ACA:
 581                                 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA;
 582                                 break;
 583                         case IPT_TARGET_RESET:
 584                                 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET;
 585                                 needmarker = 1;
 586                                 break;
 587                         case IPT_LUN_RESET:
 588                                 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET;
 589                                 needmarker = 1;
 590                                 break;
 591                         case IPT_CLEAR_TASK_SET:
 592                                 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
 593                                 needmarker = 1;
 594                                 break;
 595                         case IPT_ABORT_TASK_SET:
 596                                 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
 597                                 needmarker = 1;
 598                                 break;
 599                         default:
 600                                 retval = EINVAL;
 601                                 break;
 602                         }
 603                         if (retval) {
 604                                 ISP_UNLOCK(isp);
 605                                 break;
 606                         }
 607
 608                         /* Prepare space for response in memory */
 609                         memset(resp, 0xff, sizeof(resp));
 610                         tmf.tmf_handle = isp_allocate_handle(isp, resp,
 611                             ISP_HANDLE_CTRL);
 612                         if (tmf.tmf_handle == 0) {
 613                                 isp_prt(isp, ISP_LOGERR,
 614                                     "%s: TMF of Chan %d out of handles",
 615                                     __func__, chan);
 616                                 ISP_UNLOCK(isp);
 617                                 retval = ENOMEM;
 618                                 break;
 619                         }
 620
 621                         /* Send request and wait for response. */
 622                         reqp = isp_getrqentry(isp);
 623                         if (reqp == NULL) {
 624                                 isp_prt(isp, ISP_LOGERR,
 625                                     "%s: TMF of Chan %d out of rqent",
 626                                     __func__, chan);
 627                                 isp_destroy_handle(isp, tmf.tmf_handle);
 628                                 ISP_UNLOCK(isp);
 629                                 retval = EIO;
 630                                 break;
 631                         }
 632                         isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp);
 633                         if (isp->isp_dblev & ISP_LOGDEBUG1)
 634                                 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp);
 635                         ISP_SYNC_REQUEST(isp);
 636                         if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) {
 637                                 isp_prt(isp, ISP_LOGERR,
 638                                     "%s: TMF of Chan %d timed out",
 639                                     __func__, chan);
 640                                 isp_destroy_handle(isp, tmf.tmf_handle);
 641                                 ISP_UNLOCK(isp);
 642                                 retval = EIO;
 643                                 break;
 644                         }
 645                         if (isp->isp_dblev & ISP_LOGDEBUG1)
 646                                 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp);
 647                         isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp);
 648
 649                         if (sp.req_completion_status != 0)
 650                                 retval = EIO;
 651                         else if (needmarker)
 652                                 fcp->sendmarker = 1;
 653                 } else {
 654                         MBSINIT(&mbs, 0, MBLOGALL, 0);
 655                         if (ISP_CAP_2KLOGIN(isp) == 0) {
 656                                 nphdl <<= 8;
 657                         }
 658                         switch (fct->action) {
 659                         case IPT_CLEAR_ACA:
 660                                 mbs.param[0] = MBOX_CLEAR_ACA;
 661                                 mbs.param[1] = nphdl;
 662                                 mbs.param[2] = fct->lun;
 663                                 break;
 664                         case IPT_TARGET_RESET:
 665                                 mbs.param[0] = MBOX_TARGET_RESET;
 666                                 mbs.param[1] = nphdl;
 667                                 needmarker = 1;
 668                                 break;
 669                         case IPT_LUN_RESET:
 670                                 mbs.param[0] = MBOX_LUN_RESET;
 671                                 mbs.param[1] = nphdl;
 672                                 mbs.param[2] = fct->lun;
 673                                 needmarker = 1;
 674                                 break;
 675                         case IPT_CLEAR_TASK_SET:
 676                                 mbs.param[0] = MBOX_CLEAR_TASK_SET;
 677                                 mbs.param[1] = nphdl;
 678                                 mbs.param[2] = fct->lun;
 679                                 needmarker = 1;
 680                                 break;
 681                         case IPT_ABORT_TASK_SET:
 682                                 mbs.param[0] = MBOX_ABORT_TASK_SET;
 683                                 mbs.param[1] = nphdl;
 684                                 mbs.param[2] = fct->lun;
 685                                 needmarker = 1;
 686                                 break;
 687                         default:
 688                                 retval = EINVAL;
 689                                 break;
 690                         }
 691                         if (retval == 0) {
 692                                 if (needmarker) {
 693                                         FCPARAM(isp, chan)->sendmarker = 1;
 694                                 }
 695                                 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
 696                                 if (retval) {
 697                                         retval = EIO;
 698                                 }
 699                         }
 700                 }
 701                 ISP_UNLOCK(isp);
 702                 break;
 703         }
 704         default:
 705                 break;
 706         }
 707         return (retval);
 708 }
 709
 710 /*
 711  * Local Inlines
 712  */
 713
 714 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
 715 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
 716
 717 static ISP_INLINE int
 718 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
 719 {
 720         ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
 721         if (ISP_PCMD(ccb) == NULL) {
 722                 return (-1);
 723         }
 724         isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
 725         return (0);
 726 }
 727
 728 static ISP_INLINE void
 729 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
 730 {
 731         if (ISP_PCMD(ccb)) {
 732 #ifdef  ISP_TARGET_MODE
 733                 PISP_PCMD(ccb)->datalen = 0;
 734 #endif
 735                 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
 736                 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
 737                 ISP_PCMD(ccb) = NULL;
 738         }
 739 }
 740
 741 /*
 742  * Put the target mode functions here, because some are inlines
 743  */
 744 #ifdef  ISP_TARGET_MODE
 745 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
 746 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t);
 747 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t);
 748 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *);
 749 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int);
 750 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t);
 751 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *);
 752 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
 753 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *);
 754 static void isp_enable_lun(ispsoftc_t *, union ccb *);
 755 static void isp_disable_lun(ispsoftc_t *, union ccb *);
 756 static timeout_t isp_refire_putback_atio;
 757 static timeout_t isp_refire_notify_ack;
 758 static void isp_complete_ctio(union ccb *);
 759 static void isp_target_putback_atio(union ccb *);
 760 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
 761 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
 762 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
 763 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
 764 static void isp_handle_platform_ctio(ispsoftc_t *, void *);
 765 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp);
 766 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
 767 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t);
 768
 769 static ISP_INLINE tstate_t *
 770 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
 771 {
 772         tstate_t *tptr = NULL;
 773         struct tslist *lhp;
 774
 775         if (bus < isp->isp_nchan) {
 776                 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
 777                 SLIST_FOREACH(tptr, lhp, next) {
 778                         if (tptr->ts_lun == lun)
 779                                 return (tptr);
 780                 }
 781         }
 782         return (NULL);
 783 }
 784
 785 static int
 786 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr)
 787 {
 788         inot_private_data_t *ntp;
 789         struct ntpdlist rq;
 790
 791         if (STAILQ_EMPTY(&tptr->restart_queue))
 792                 return (0);
 793         STAILQ_INIT(&rq);
 794         STAILQ_CONCAT(&rq, &tptr->restart_queue);
 795         while ((ntp = STAILQ_FIRST(&rq)) != NULL) {
 796                 STAILQ_REMOVE_HEAD(&rq, next);
 797                 if (IS_24XX(isp)) {
 798                         isp_prt(isp, ISP_LOGTDEBUG0,
 799                             "%s: restarting resrc deprived %x", __func__,
 800                             ((at7_entry_t *)ntp->data)->at_rxid);
 801                         isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data);
 802                 } else {
 803                         isp_prt(isp, ISP_LOGTDEBUG0,
 804                             "%s: restarting resrc deprived %x", __func__,
 805                             ((at2_entry_t *)ntp->data)->at_rxid);
 806                         isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data);
 807                 }
 808                 isp_put_ntpd(isp, bus, ntp);
 809                 if (!STAILQ_EMPTY(&tptr->restart_queue))
 810                         break;
 811         }
 812         if (!STAILQ_EMPTY(&rq)) {
 813                 STAILQ_CONCAT(&rq, &tptr->restart_queue);
 814                 STAILQ_CONCAT(&tptr->restart_queue, &rq);
 815         }
 816         return (!STAILQ_EMPTY(&tptr->restart_queue));
 817 }
 818
 819 static void
 820 isp_tmcmd_restart(ispsoftc_t *isp)
 821 {
 822         tstate_t *tptr;
 823         union ccb *ccb;
 824         struct tslist *lhp;
 825         struct isp_ccbq *waitq;
 826         int bus, i;
 827
 828         for (bus = 0; bus < isp->isp_nchan; bus++) {
 829                 for (i = 0; i < LUN_HASH_SIZE; i++) {
 830                         ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
 831                         SLIST_FOREACH(tptr, lhp, next)
 832                                 isp_atio_restart(isp, bus, tptr);
 833                 }
 834
 835                 /*
 836                  * We only need to do this once per channel.
 837                  */
 838                 ISP_GET_PC_ADDR(isp, bus, waitq, waitq);
 839                 ccb = (union ccb *)TAILQ_FIRST(waitq);
 840                 if (ccb != NULL) {
 841                         TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe);
 842                         isp_target_start_ctio(isp, ccb, FROM_TIMER);
 843                 }
 844         }
 845 }
 846
 847 static atio_private_data_t *
 848 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
 849 {
 850         struct atpdlist *atfree;
 851         struct atpdlist *atused;
 852         atio_private_data_t *atp;
 853
 854         ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
 855         atp = LIST_FIRST(atfree);
 856         if (atp) {
 857                 LIST_REMOVE(atp, next);
 858                 atp->tag = tag;
 859                 ISP_GET_PC(isp, chan, atused, atused);
 860                 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next);
 861         }
 862         return (atp);
 863 }
 864
 865 static atio_private_data_t *
 866 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
 867 {
 868         struct atpdlist *atused;
 869         atio_private_data_t *atp;
 870
 871         ISP_GET_PC(isp, chan, atused, atused);
 872         LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) {
 873                 if (atp->tag == tag)
 874                         return (atp);
 875         }
 876         return (NULL);
 877 }
 878
 879 static void
 880 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp)
 881 {
 882         struct atpdlist *atfree;
 883
 884         if (atp->ests) {
 885                 isp_put_ecmd(isp, atp->ests);
 886         }
 887         LIST_REMOVE(atp, next);
 888         memset(atp, 0, sizeof (*atp));
 889         ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
 890         LIST_INSERT_HEAD(atfree, atp, next);
 891 }
 892
 893 static void
 894 isp_dump_atpd(ispsoftc_t *isp, int chan)
 895 {
 896         atio_private_data_t *atp, *atpool;
 897         const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
 898
 899         ISP_GET_PC(isp, chan, atpool, atpool);
 900         for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
 901                 if (atp->state == ATPD_STATE_FREE)
 902                         continue;
 903                 isp_prt(isp, ISP_LOGALL, "Chan %d ATP [0x%x] origdlen %u bytes_xfrd %u lun %jx nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s",
 904                     chan, atp->tag, atp->orig_datalen, atp->bytes_xfered, (uintmax_t)atp->lun, atp->nphdl, atp->sid, atp->did, atp->oxid, states[atp->state & 0x7]);
 905         }
 906 }
 907
 908 static inot_private_data_t *
 909 isp_get_ntpd(ispsoftc_t *isp, int chan)
 910 {
 911         struct ntpdlist *ntfree;
 912         inot_private_data_t *ntp;
 913
 914         ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
 915         ntp = STAILQ_FIRST(ntfree);
 916         if (ntp)
 917                 STAILQ_REMOVE_HEAD(ntfree, next);
 918         return (ntp);
 919 }
 920
 921 static inot_private_data_t *
 922 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id)
 923 {
 924         inot_private_data_t *ntp, *ntp2;
 925
 926         ISP_GET_PC(isp, chan, ntpool, ntp);
 927         ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2);
 928         for (; ntp < ntp2; ntp++) {
 929                 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id)
 930                         return (ntp);
 931         }
 932         return (NULL);
 933 }
 934
 935 static void
 936 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp)
 937 {
 938         struct ntpdlist *ntfree;
 939
 940         ntp->tag_id = ntp->seq_id = 0;
 941         ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
 942         STAILQ_INSERT_HEAD(ntfree, ntp, next);
 943 }
 944
 945 static cam_status
 946 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
 947 {
 948         lun_id_t lun;
 949         struct tslist *lhp;
 950         tstate_t *tptr;
 951
 952         lun = xpt_path_lun_id(path);
 953         if (lun != CAM_LUN_WILDCARD) {
 954                 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) {
 955                         return (CAM_LUN_INVALID);
 956                 }
 957         }
 958         tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
 959         if (tptr == NULL) {
 960                 return (CAM_RESRC_UNAVAIL);
 961         }
 962         tptr->ts_lun = lun;
 963         SLIST_INIT(&tptr->atios);
 964         SLIST_INIT(&tptr->inots);
 965         ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
 966         SLIST_INSERT_HEAD(lhp, tptr, next);
 967         *rslt = tptr;
 968         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
 969         return (CAM_REQ_CMP);
 970 }
 971
 972 static void
 973 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr)
 974 {
 975         union ccb *ccb;
 976         struct tslist *lhp;
 977         inot_private_data_t *ntp;
 978
 979         while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) {
 980                 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
 981                 ccb->ccb_h.status = CAM_REQ_ABORTED;
 982                 xpt_done(ccb);
 983         };
 984         while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) {
 985                 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
 986                 ccb->ccb_h.status = CAM_REQ_ABORTED;
 987                 xpt_done(ccb);
 988         }
 989         while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) {
 990                 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0);
 991                 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next);
 992                 isp_put_ntpd(isp, bus, ntp);
 993         }
 994         ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp);
 995         SLIST_REMOVE(lhp, tptr, tstate, next);
 996         free(tptr, M_DEVBUF);
 997 }
 998
 999 static void
1000 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1001 {
1002         tstate_t *tptr;
1003         int bus;
1004         target_id_t target;
1005         lun_id_t lun;
1006
1007         if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) {
1008                 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n");
1009                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1010                 xpt_done(ccb);
1011                 return;
1012         }
1013
1014         /*
1015          * We only support either target and lun both wildcard
1016          * or target and lun both non-wildcard.
1017          */
1018         bus = XS_CHANNEL(ccb);
1019         target = ccb->ccb_h.target_id;
1020         lun = ccb->ccb_h.target_lun;
1021         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1022             "enabling lun %jx\n", (uintmax_t)lun);
1023         if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1024                 ccb->ccb_h.status = CAM_LUN_INVALID;
1025                 xpt_done(ccb);
1026                 return;
1027         }
1028
1029         /* Create the state pointer. It should not already exist. */
1030         tptr = get_lun_statep(isp, bus, lun);
1031         if (tptr) {
1032                 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1033                 xpt_done(ccb);
1034                 return;
1035         }
1036         ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1037         if (ccb->ccb_h.status != CAM_REQ_CMP) {
1038                 xpt_done(ccb);
1039                 return;
1040         }
1041
1042         ccb->ccb_h.status = CAM_REQ_CMP;
1043         xpt_done(ccb);
1044 }
1045
1046 static void
1047 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1048 {
1049         tstate_t *tptr = NULL;
1050         int bus;
1051         target_id_t target;
1052         lun_id_t lun;
1053
1054         bus = XS_CHANNEL(ccb);
1055         target = ccb->ccb_h.target_id;
1056         lun = ccb->ccb_h.target_lun;
1057         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1058             "disabling lun %jx\n", (uintmax_t)lun);
1059         if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1060                 ccb->ccb_h.status = CAM_LUN_INVALID;
1061                 xpt_done(ccb);
1062                 return;
1063         }
1064
1065         /* Find the state pointer. */
1066         if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1067                 ccb->ccb_h.status = CAM_PATH_INVALID;
1068                 xpt_done(ccb);
1069                 return;
1070         }
1071
1072         destroy_lun_state(isp, bus, tptr);
1073         ccb->ccb_h.status = CAM_REQ_CMP;
1074         xpt_done(ccb);
1075 }
1076
1077 static void
1078 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1079 {
1080         int fctape, sendstatus, resid;
1081         fcparam *fcp;
1082         atio_private_data_t *atp;
1083         struct ccb_scsiio *cso;
1084         struct isp_ccbq *waitq;
1085         uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1086         uint8_t local[QENTRY_LEN];
1087
1088         isp_prt(isp, ISP_LOGTDEBUG0, "%s: ENTRY[0x%x] how %u xfrlen %u sendstatus %d sense_len %u", __func__, ccb->csio.tag_id, how, ccb->csio.dxfer_len,
1089             (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1090
1091         ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq);
1092         switch (how) {
1093         case FROM_CAM:
1094                 /*
1095                  * Insert at the tail of the list, if any, waiting CTIO CCBs
1096                  */
1097                 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe);
1098                 break;
1099         case FROM_TIMER:
1100         case FROM_SRR:
1101         case FROM_CTIO_DONE:
1102                 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1103                 break;
1104         }
1105
1106         while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) {
1107                 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe);
1108
1109                 cso = &ccb->csio;
1110                 xfrlen = cso->dxfer_len;
1111                 if (xfrlen == 0) {
1112                         if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1113                                 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1114                                 ccb->ccb_h.status = CAM_REQ_INVALID;
1115                                 xpt_done(ccb);
1116                                 continue;
1117                         }
1118                 }
1119
1120                 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id);
1121                 if (atp == NULL) {
1122                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1123                         isp_dump_atpd(isp, XS_CHANNEL(ccb));
1124                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1125                         xpt_done(ccb);
1126                         continue;
1127                 }
1128
1129                 /*
1130                  * Is this command a dead duck?
1131                  */
1132                 if (atp->dead) {
1133                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1134                         ccb->ccb_h.status = CAM_REQ_ABORTED;
1135                         xpt_done(ccb);
1136                         continue;
1137                 }
1138
1139                 /*
1140                  * Check to make sure we're still in target mode.
1141                  */
1142                 fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1143                 if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1144                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1145                         ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1146                         xpt_done(ccb);
1147                         continue;
1148                 }
1149
1150                 /*
1151                  * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1152                  * could be split into two CTIOs to split data and status).
1153                  */
1154                 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1155                         isp_prt(isp, ISP_LOGTINFO, "[0x%x] handling only %d CCBs at a time (flags for this ccb: 0x%x)", cso->tag_id, ATPD_CCB_OUTSTANDING, ccb->ccb_h.flags);
1156                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1157                         break;
1158                 }
1159
1160                 /*
1161                  * Does the initiator expect FC-Tape style responses?
1162                  */
1163                 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1164                         fctape = 1;
1165                 } else {
1166                         fctape = 0;
1167                 }
1168
1169                 /*
1170                  * If we already did the data xfer portion of a CTIO that sends data
1171                  * and status, don't do it again and do the status portion now.
1172                  */
1173                 if (atp->sendst) {
1174                         isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1175                             cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1176                         xfrlen = 0;     /* we already did the data transfer */
1177                         atp->sendst = 0;
1178                 }
1179                 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1180                         sendstatus = 1;
1181                 } else {
1182                         sendstatus = 0;
1183                 }
1184
1185                 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1186                         KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1187                         /*
1188                          * Sense length is not the entire sense data structure size. Periph
1189                          * drivers don't seem to be setting sense_len to reflect the actual
1190                          * size. We'll peek inside to get the right amount.
1191                          */
1192                         sense_length = cso->sense_len;
1193
1194                         /*
1195                          * This 'cannot' happen
1196                          */
1197                         if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1198                                 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1199                         }
1200                 } else {
1201                         sense_length = 0;
1202                 }
1203
1204                 memset(local, 0, QENTRY_LEN);
1205
1206                 /*
1207                  * Check for overflow
1208                  */
1209                 tmp = atp->bytes_xfered + atp->bytes_in_transit;
1210                 if (xfrlen > 0 && tmp > atp->orig_datalen) {
1211                         isp_prt(isp, ISP_LOGERR,
1212                             "%s: [0x%x] data overflow by %u bytes", __func__,
1213                             cso->tag_id, tmp + xfrlen - atp->orig_datalen);
1214                         ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1215                         xpt_done(ccb);
1216                         continue;
1217                 }
1218                 if (xfrlen > atp->orig_datalen - tmp) {
1219                         xfrlen = atp->orig_datalen - tmp;
1220                         if (xfrlen == 0 && !sendstatus) {
1221                                 cso->resid = cso->dxfer_len;
1222                                 ccb->ccb_h.status = CAM_REQ_CMP;
1223                                 xpt_done(ccb);
1224                                 continue;
1225                         }
1226                 }
1227
1228                 if (IS_24XX(isp)) {
1229                         ct7_entry_t *cto = (ct7_entry_t *) local;
1230
1231                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1232                         cto->ct_header.rqs_entry_count = 1;
1233                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1234                         ATPD_SET_SEQNO(cto, atp);
1235                         cto->ct_nphdl = atp->nphdl;
1236                         cto->ct_rxid = atp->tag;
1237                         cto->ct_iid_lo = atp->sid;
1238                         cto->ct_iid_hi = atp->sid >> 16;
1239                         cto->ct_oxid = atp->oxid;
1240                         cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1241                         cto->ct_timeout = XS_TIME(ccb);
1242                         cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1243
1244                         /*
1245                          * Mode 1, status, no data. Only possible when we are sending status, have
1246                          * no data to transfer, and any sense data can fit into a ct7_entry_t.
1247                          *
1248                          * Mode 2, status, no data. We have to use this in the case that
1249                          * the sense data won't fit into a ct7_entry_t.
1250                          *
1251                          */
1252                         if (sendstatus && xfrlen == 0) {
1253                                 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1254                                 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1255                                 if (sense_length <= MAXRESPLEN_24XX) {
1256                                         cto->ct_flags |= CT7_FLAG_MODE1;
1257                                         cto->ct_scsi_status = cso->scsi_status;
1258                                         if (resid < 0) {
1259                                                 cto->ct_resid = -resid;
1260                                                 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1261                                         } else if (resid > 0) {
1262                                                 cto->ct_resid = resid;
1263                                                 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1264                                         }
1265                                         if (fctape) {
1266                                                 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1267                                         }
1268                                         if (sense_length) {
1269                                                 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1270                                                 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1271                                                 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1272                                         }
1273                                 } else {
1274                                         bus_addr_t addr;
1275                                         char buf[XCMD_SIZE];
1276                                         fcp_rsp_iu_t *rp;
1277
1278                                         if (atp->ests == NULL) {
1279                                                 atp->ests = isp_get_ecmd(isp);
1280                                                 if (atp->ests == NULL) {
1281                                                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1282                                                         break;
1283                                                 }
1284                                         }
1285                                         memset(buf, 0, sizeof (buf));
1286                                         rp = (fcp_rsp_iu_t *)buf;
1287                                         if (fctape) {
1288                                                 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1289                                                 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1290                                         }
1291                                         cto->ct_flags |= CT7_FLAG_MODE2;
1292                                         rp->fcp_rsp_scsi_status = cso->scsi_status;
1293                                         if (resid < 0) {
1294                                                 rp->fcp_rsp_resid = -resid;
1295                                                 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1296                                         } else if (resid > 0) {
1297                                                 rp->fcp_rsp_resid = resid;
1298                                                 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1299                                         }
1300                                         if (sense_length) {
1301                                                 rp->fcp_rsp_snslen = sense_length;
1302                                                 cto->ct_senselen = sense_length;
1303                                                 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1304                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1305                                                 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1306                                         } else {
1307                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1308                                         }
1309                                         if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1310                                                 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1311                                         }
1312                                         addr = isp->isp_osinfo.ecmd_dma;
1313                                         addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1314                                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests,
1315                                             (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1316                                         cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1317                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1318                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1319                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1320                                 }
1321                                 if (sense_length) {
1322                                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d slen %u sense: %x %x/%x/%x", __func__,
1323                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid, sense_length,
1324                                             cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1325                                 } else {
1326                                         isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1327                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1328                                 }
1329                                 atp->state = ATPD_STATE_LAST_CTIO;
1330                         }
1331
1332                         /*
1333                          * Mode 0 data transfers, *possibly* with status.
1334                          */
1335                         if (xfrlen != 0) {
1336                                 cto->ct_flags |= CT7_FLAG_MODE0;
1337                                 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1338                                         cto->ct_flags |= CT7_DATA_IN;
1339                                 } else {
1340                                         cto->ct_flags |= CT7_DATA_OUT;
1341                                 }
1342
1343                                 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1344                                 cto->rsp.m0.ct_xfrlen = xfrlen;
1345
1346 #ifdef  DEBUG
1347                                 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1348                                         isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1349                                         ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1350                                         cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1351                                 }
1352 #endif
1353                                 if (sendstatus) {
1354                                         resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1355                                         if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1356                                                 cto->ct_flags |= CT7_SENDSTATUS;
1357                                                 atp->state = ATPD_STATE_LAST_CTIO;
1358                                                 if (fctape) {
1359                                                         cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1360                                                 }
1361                                         } else {
1362                                                 atp->sendst = 1;        /* send status later */
1363                                                 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1364                                                 atp->state = ATPD_STATE_CTIO;
1365                                         }
1366                                 } else {
1367                                         atp->state = ATPD_STATE_CTIO;
1368                                 }
1369                                 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x xfrlen=%u off=%u", __func__,
1370                                     cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1371                         }
1372                 } else {
1373                         ct2_entry_t *cto = (ct2_entry_t *) local;
1374
1375                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1376                         cto->ct_header.rqs_entry_count = 1;
1377                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1378                         ATPD_SET_SEQNO(cto, atp);
1379                         if (ISP_CAP_2KLOGIN(isp)) {
1380                                 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl;
1381                         } else {
1382                                 cto->ct_iid = atp->nphdl;
1383                                 if (ISP_CAP_SCCFW(isp) == 0) {
1384                                         cto->ct_lun = ccb->ccb_h.target_lun;
1385                                 }
1386                         }
1387                         cto->ct_timeout = XS_TIME(ccb);
1388                         cto->ct_rxid = cso->tag_id;
1389
1390                         /*
1391                          * Mode 1, status, no data. Only possible when we are sending status, have
1392                          * no data to transfer, and the sense length can fit in the ct7_entry.
1393                          *
1394                          * Mode 2, status, no data. We have to use this in the case the response
1395                          * length won't fit into a ct2_entry_t.
1396                          *
1397                          * We'll fill out this structure with information as if this were a
1398                          * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1399                          * needed based upon this.
1400                          */
1401                         if (sendstatus && xfrlen == 0) {
1402                                 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1403                                 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1404                                 if (sense_length <= MAXRESPLEN) {
1405                                         if (resid < 0) {
1406                                                 cto->ct_resid = -resid;
1407                                         } else if (resid > 0) {
1408                                                 cto->ct_resid = resid;
1409                                         }
1410                                         cto->ct_flags |= CT2_FLAG_MODE1;
1411                                         cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1412                                         if (resid < 0) {
1413                                                 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1414                                         } else if (resid > 0) {
1415                                                 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1416                                         }
1417                                         if (fctape) {
1418                                                 cto->ct_flags |= CT2_CONFIRM;
1419                                         }
1420                                         if (sense_length) {
1421                                                 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1422                                                 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1423                                                 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1424                                         }
1425                                 } else {
1426                                         bus_addr_t addr;
1427                                         char buf[XCMD_SIZE];
1428                                         fcp_rsp_iu_t *rp;
1429
1430                                         if (atp->ests == NULL) {
1431                                                 atp->ests = isp_get_ecmd(isp);
1432                                                 if (atp->ests == NULL) {
1433                                                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1434                                                         break;
1435                                                 }
1436                                         }
1437                                         memset(buf, 0, sizeof (buf));
1438                                         rp = (fcp_rsp_iu_t *)buf;
1439                                         if (fctape) {
1440                                                 cto->ct_flags |= CT2_CONFIRM;
1441                                                 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1442                                         }
1443                                         cto->ct_flags |= CT2_FLAG_MODE2;
1444                                         rp->fcp_rsp_scsi_status = cso->scsi_status;
1445                                         if (resid < 0) {
1446                                                 rp->fcp_rsp_resid = -resid;
1447                                                 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1448                                         } else if (resid > 0) {
1449                                                 rp->fcp_rsp_resid = resid;
1450                                                 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1451                                         }
1452                                         if (sense_length) {
1453                                                 rp->fcp_rsp_snslen = sense_length;
1454                                                 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1455                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1456                                                 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1457                                         } else {
1458                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1459                                         }
1460                                         if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1461                                                 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1462                                         }
1463                                         addr = isp->isp_osinfo.ecmd_dma;
1464                                         addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1465                                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests,
1466                                             (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1467                                         cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1468                                         cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1469                                         cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1470                                 }
1471                                 if (sense_length) {
1472                                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d sense: %x %x/%x/%x", __func__,
1473                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1474                                             cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1475                                 } else {
1476                                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, cto->ct_rxid,
1477                                             ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1478                                 }
1479                                 atp->state = ATPD_STATE_LAST_CTIO;
1480                         }
1481
1482                         if (xfrlen != 0) {
1483                                 cto->ct_flags |= CT2_FLAG_MODE0;
1484                                 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1485                                         cto->ct_flags |= CT2_DATA_IN;
1486                                 } else {
1487                                         cto->ct_flags |= CT2_DATA_OUT;
1488                                 }
1489
1490                                 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
1491                                 cto->rsp.m0.ct_xfrlen = xfrlen;
1492
1493                                 if (sendstatus) {
1494                                         resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1495                                         if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
1496                                                 cto->ct_flags |= CT2_SENDSTATUS;
1497                                                 atp->state = ATPD_STATE_LAST_CTIO;
1498                                                 if (fctape) {
1499                                                         cto->ct_flags |= CT2_CONFIRM;
1500                                                 }
1501                                         } else {
1502                                                 atp->sendst = 1;        /* send status later */
1503                                                 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1504                                                 atp->state = ATPD_STATE_CTIO;
1505                                         }
1506                                 } else {
1507                                         atp->state = ATPD_STATE_CTIO;
1508                                 }
1509                         }
1510                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[%x] seq %u nc %d CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u", __func__, cto->ct_rxid,
1511                             ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered);
1512                 }
1513
1514                 if (isp_get_pcmd(isp, ccb)) {
1515                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
1516                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1517                         break;
1518                 }
1519                 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET);
1520                 if (handle == 0) {
1521                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
1522                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1523                         isp_free_pcmd(isp, ccb);
1524                         break;
1525                 }
1526                 atp->bytes_in_transit += xfrlen;
1527                 PISP_PCMD(ccb)->datalen = xfrlen;
1528
1529
1530                 /*
1531                  * Call the dma setup routines for this entry (and any subsequent
1532                  * CTIOs) if there's data to move, and then tell the f/w it's got
1533                  * new things to play with. As with isp_start's usage of DMA setup,
1534                  * any swizzling is done in the machine dependent layer. Because
1535                  * of this, we put the request onto the queue area first in native
1536                  * format.
1537                  */
1538
1539                 if (IS_24XX(isp)) {
1540                         ct7_entry_t *cto = (ct7_entry_t *) local;
1541                         cto->ct_syshandle = handle;
1542                 } else {
1543                         ct2_entry_t *cto = (ct2_entry_t *) local;
1544                         cto->ct_syshandle = handle;
1545                 }
1546
1547                 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
1548                 if (dmaresult != CMD_QUEUED) {
1549                         isp_destroy_handle(isp, handle);
1550                         isp_free_pcmd(isp, ccb);
1551                         if (dmaresult == CMD_EAGAIN) {
1552                                 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1553                                 break;
1554                         }
1555                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1556                         xpt_done(ccb);
1557                         continue;
1558                 }
1559                 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
1560                 if (xfrlen) {
1561                         ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
1562                 } else {
1563                         ccb->ccb_h.spriv_field0 = ~0;
1564                 }
1565                 atp->ctcnt++;
1566                 atp->seqno++;
1567         }
1568 }
1569
1570 static void
1571 isp_refire_putback_atio(void *arg)
1572 {
1573         union ccb *ccb = arg;
1574
1575         ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb));
1576         isp_target_putback_atio(ccb);
1577 }
1578
1579 static void
1580 isp_refire_notify_ack(void *arg)
1581 {
1582         isp_tna_t *tp  = arg;
1583         ispsoftc_t *isp = tp->isp;
1584
1585         ISP_ASSERT_LOCKED(isp);
1586         if (isp_notify_ack(isp, tp->not)) {
1587                 callout_schedule(&tp->timer, 5);
1588         } else {
1589                 free(tp, M_DEVBUF);
1590         }
1591 }
1592
1593
1594 static void
1595 isp_target_putback_atio(union ccb *ccb)
1596 {
1597         ispsoftc_t *isp = XS_ISP(ccb);
1598         struct ccb_scsiio *cso = &ccb->csio;
1599         at2_entry_t local, *at = &local;
1600
1601         ISP_MEMZERO(at, sizeof (at2_entry_t));
1602         at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1603         at->at_header.rqs_entry_count = 1;
1604         if (ISP_CAP_SCCFW(isp)) {
1605                 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1606         } else {
1607                 at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1608         }
1609         at->at_status = CT_OK;
1610         at->at_rxid = cso->tag_id;
1611         at->at_iid = cso->ccb_h.target_id;
1612         if (isp_target_put_entry(isp, at)) {
1613                 callout_reset(&PISP_PCMD(ccb)->wdog, 10,
1614                     isp_refire_putback_atio, ccb);
1615         } else
1616                 isp_complete_ctio(ccb);
1617 }
1618
1619 static void
1620 isp_complete_ctio(union ccb *ccb)
1621 {
1622         if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1623                 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1624                 xpt_done(ccb);
1625         }
1626 }
1627
1628 static void
1629 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1630 {
1631         fcparam *fcp;
1632         lun_id_t lun;
1633         fcportdb_t *lp;
1634         tstate_t *tptr;
1635         struct ccb_accept_tio *atiop;
1636         uint16_t nphdl;
1637         atio_private_data_t *atp;
1638         inot_private_data_t *ntp;
1639
1640         /*
1641          * The firmware status (except for the QLTM_SVALID bit)
1642          * indicates why this ATIO was sent to us.
1643          *
1644          * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1645          */
1646         if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1647                 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
1648                 isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0);
1649                 return;
1650         }
1651
1652         fcp = FCPARAM(isp, 0);
1653         if (ISP_CAP_SCCFW(isp)) {
1654                 lun = aep->at_scclun;
1655         } else {
1656                 lun = aep->at_lun;
1657         }
1658         if (ISP_CAP_2KLOGIN(isp)) {
1659                 nphdl = ((at2e_entry_t *)aep)->at_iid;
1660         } else {
1661                 nphdl = aep->at_iid;
1662         }
1663         tptr = get_lun_statep(isp, 0, lun);
1664         if (tptr == NULL) {
1665                 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1666                 if (tptr == NULL) {
1667                         isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun);
1668                         if (lun == 0) {
1669                                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1670                         } else {
1671                                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1672                         }
1673                         return;
1674                 }
1675         }
1676
1677         /*
1678          * Start any commands pending resources first.
1679          */
1680         if (isp_atio_restart(isp, 0, tptr))
1681                 goto noresrc;
1682
1683         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1684         if (atiop == NULL) {
1685                 goto noresrc;
1686         }
1687
1688         atp = isp_get_atpd(isp, 0, aep->at_rxid);
1689         if (atp == NULL) {
1690                 goto noresrc;
1691         }
1692
1693         atp->state = ATPD_STATE_ATIO;
1694         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1695         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n");
1696         atiop->ccb_h.target_id = fcp->isp_loopid;
1697         atiop->ccb_h.target_lun = lun;
1698
1699         /*
1700          * We don't get 'suggested' sense data as we do with SCSI cards.
1701          */
1702         atiop->sense_len = 0;
1703
1704         /*
1705          * If we're not in the port database, add ourselves.
1706          */
1707         if (IS_2100(isp))
1708                 atiop->init_id = nphdl;
1709         else {
1710                 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) {
1711                         atiop->init_id = FC_PORTDB_TGT(isp, 0, lp);
1712                 } else {
1713                         isp_prt(isp, ISP_LOGTINFO, "%s: port %x isn't in PDB",
1714                             __func__, nphdl);
1715                         isp_dump_portdb(isp, 0);
1716                         isp_endcmd(isp, aep, NIL_HANDLE, 0, ECMD_TERMINATE, 0);
1717                         return;
1718                 }
1719         }
1720         atiop->cdb_len = ATIO2_CDBLEN;
1721         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1722         atiop->ccb_h.status = CAM_CDB_RECVD;
1723         atiop->tag_id = atp->tag;
1724         switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1725         case ATIO2_TC_ATTR_SIMPLEQ:
1726                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1727                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1728                 break;
1729         case ATIO2_TC_ATTR_HEADOFQ:
1730                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1731                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1732                 break;
1733         case ATIO2_TC_ATTR_ORDERED:
1734                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1735                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1736                 break;
1737         case ATIO2_TC_ATTR_ACAQ:                /* ?? */
1738         case ATIO2_TC_ATTR_UNTAGGED:
1739         default:
1740                 atiop->tag_action = 0;
1741                 break;
1742         }
1743
1744         atp->orig_datalen = aep->at_datalen;
1745         atp->bytes_xfered = 0;
1746         atp->lun = lun;
1747         atp->nphdl = nphdl;
1748         atp->sid = PORT_ANY;
1749         atp->oxid = aep->at_oxid;
1750         atp->cdb0 = aep->at_cdb[0];
1751         atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
1752         atp->state = ATPD_STATE_CAM;
1753         xpt_done((union ccb *)atiop);
1754         isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %jx datalen %u", aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
1755         return;
1756 noresrc:
1757         ntp = isp_get_ntpd(isp, 0);
1758         if (ntp == NULL) {
1759                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1760                 return;
1761         }
1762         memcpy(ntp->data, aep, QENTRY_LEN);
1763         STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
1764 }
1765
1766 static void
1767 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
1768 {
1769         int cdbxlen;
1770         lun_id_t lun;
1771         uint16_t chan, nphdl = NIL_HANDLE;
1772         uint32_t did, sid;
1773         fcportdb_t *lp;
1774         tstate_t *tptr;
1775         struct ccb_accept_tio *atiop;
1776         atio_private_data_t *atp = NULL;
1777         atio_private_data_t *oatp;
1778         inot_private_data_t *ntp;
1779
1780         did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
1781         sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
1782         lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun));
1783
1784         if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) {
1785                 /* Channel has to be derived from D_ID */
1786                 isp_find_chan_by_did(isp, did, &chan);
1787                 if (chan == ISP_NOCHAN) {
1788                         isp_prt(isp, ISP_LOGWARN,
1789                             "%s: [RX_ID 0x%x] D_ID %x not found on any channel",
1790                             __func__, aep->at_rxid, did);
1791                         isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN,
1792                             ECMD_TERMINATE, 0);
1793                         return;
1794                 }
1795         } else {
1796                 chan = 0;
1797         }
1798
1799         /*
1800          * Find the PDB entry for this initiator
1801          */
1802         if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) {
1803                 /*
1804                  * If we're not in the port database terminate the exchange.
1805                  */
1806                 isp_prt(isp, ISP_LOGTINFO, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x wasn't in PDB already",
1807                     __func__, aep->at_rxid, did, chan, sid);
1808                 isp_dump_portdb(isp, chan);
1809                 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
1810                 return;
1811         }
1812         nphdl = lp->handle;
1813
1814         /*
1815          * Get the tstate pointer
1816          */
1817         tptr = get_lun_statep(isp, chan, lun);
1818         if (tptr == NULL) {
1819                 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
1820                 if (tptr == NULL) {
1821                         isp_prt(isp, ISP_LOGWARN,
1822                             "%s: [0x%x] no state pointer for lun %jx or wildcard",
1823                             __func__, aep->at_rxid, (uintmax_t)lun);
1824                         if (lun == 0) {
1825                                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
1826                         } else {
1827                                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1828                         }
1829                         return;
1830                 }
1831         }
1832
1833         /*
1834          * Start any commands pending resources first.
1835          */
1836         if (isp_atio_restart(isp, chan, tptr))
1837                 goto noresrc;
1838
1839         /*
1840          * If the f/w is out of resources, just send a BUSY status back.
1841          */
1842         if (aep->at_rxid == AT7_NORESRC_RXID) {
1843                 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
1844                 return;
1845         }
1846
1847         /*
1848          * If we're out of resources, just send a BUSY status back.
1849          */
1850         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1851         if (atiop == NULL) {
1852                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
1853                 goto noresrc;
1854         }
1855
1856         oatp = isp_find_atpd(isp, chan, aep->at_rxid);
1857         if (oatp) {
1858                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] tag wraparound in isp_handle_platforms_atio7 (N-Port Handle 0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d",
1859                     aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
1860                 /*
1861                  * It's not a "no resource" condition- but we can treat it like one
1862                  */
1863                 goto noresrc;
1864         }
1865         atp = isp_get_atpd(isp, chan, aep->at_rxid);
1866         if (atp == NULL) {
1867                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
1868                 goto noresrc;
1869         }
1870         atp->word3 = lp->prli_word3;
1871         atp->state = ATPD_STATE_ATIO;
1872         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1873         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n");
1874         atiop->init_id = FC_PORTDB_TGT(isp, chan, lp);
1875         atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
1876         atiop->ccb_h.target_lun = lun;
1877         atiop->sense_len = 0;
1878         cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
1879         if (cdbxlen) {
1880                 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
1881         }
1882         cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
1883         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
1884         atiop->cdb_len = cdbxlen;
1885         atiop->ccb_h.status = CAM_CDB_RECVD;
1886         atiop->tag_id = atp->tag;
1887         switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
1888         case FCP_CMND_TASK_ATTR_SIMPLE:
1889                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1890                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1891                 break;
1892         case FCP_CMND_TASK_ATTR_HEAD:
1893                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1894                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1895                 break;
1896         case FCP_CMND_TASK_ATTR_ORDERED:
1897                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1898                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1899                 break;
1900         default:
1901                 /* FALLTHROUGH */
1902         case FCP_CMND_TASK_ATTR_ACA:
1903         case FCP_CMND_TASK_ATTR_UNTAGGED:
1904                 atiop->tag_action = 0;
1905                 break;
1906         }
1907         atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
1908         atp->bytes_xfered = 0;
1909         atp->lun = lun;
1910         atp->nphdl = nphdl;
1911         atp->sid = sid;
1912         atp->did = did;
1913         atp->oxid = aep->at_hdr.ox_id;
1914         atp->rxid = aep->at_hdr.rx_id;
1915         atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
1916         atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
1917         atp->state = ATPD_STATE_CAM;
1918         isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u",
1919             aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
1920         xpt_done((union ccb *)atiop);
1921         return;
1922 noresrc:
1923         if (atp)
1924                 isp_put_atpd(isp, chan, atp);
1925         ntp = isp_get_ntpd(isp, chan);
1926         if (ntp == NULL) {
1927                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
1928                 return;
1929         }
1930         memcpy(ntp->data, aep, QENTRY_LEN);
1931         STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
1932 }
1933
1934
1935 /*
1936  * Handle starting an SRR (sequence retransmit request)
1937  * We get here when we've gotten the immediate notify
1938  * and the return of all outstanding CTIOs for this
1939  * transaction.
1940  */
1941 static void
1942 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp)
1943 {
1944         in_fcentry_24xx_t *inot;
1945         uint32_t srr_off, ccb_off, ccb_len, ccb_end;
1946         union ccb *ccb;
1947
1948         inot = (in_fcentry_24xx_t *)atp->srr;
1949         srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
1950         ccb = atp->srr_ccb;
1951         atp->srr_ccb = NULL;
1952         atp->nsrr++;
1953         if (ccb == NULL) {
1954                 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
1955                 goto fail;
1956         }
1957
1958         ccb_off = ccb->ccb_h.spriv_field0;
1959         ccb_len = ccb->csio.dxfer_len;
1960         ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
1961
1962         switch (inot->in_srr_iu) {
1963         case R_CTL_INFO_SOLICITED_DATA:
1964                 /*
1965                  * We have to restart a FCP_DATA data out transaction
1966                  */
1967                 atp->sendst = 0;
1968                 atp->bytes_xfered = srr_off;
1969                 if (ccb_len == 0) {
1970                         isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
1971                         goto mdp;
1972                 }
1973                 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
1974                         isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x not covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end);
1975                         goto mdp;
1976                 }
1977                 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end);
1978                 break;
1979         case R_CTL_INFO_COMMAND_STATUS:
1980                 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
1981                 atp->sendst = 1;
1982                 /*
1983                  * We have to restart a FCP_RSP IU transaction
1984                  */
1985                 break;
1986         case R_CTL_INFO_DATA_DESCRIPTOR:
1987                 /*
1988                  * We have to restart an FCP DATA in transaction
1989                  */
1990                 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
1991                 goto fail;
1992
1993         default:
1994                 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
1995                 goto fail;
1996         }
1997
1998         /*
1999          * We can't do anything until this is acked, so we might as well start it now.
2000          * We aren't going to do the usual asynchronous ack issue because we need
2001          * to make sure this gets on the wire first.
2002          */
2003         if (isp_notify_ack(isp, inot)) {
2004                 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2005                 goto fail;
2006         }
2007         isp_target_start_ctio(isp, ccb, FROM_SRR);
2008         return;
2009 fail:
2010         inot->in_reserved = 1;
2011         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2012         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2013         ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2014         isp_complete_ctio(ccb);
2015         return;
2016 mdp:
2017         if (isp_notify_ack(isp, inot)) {
2018                 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2019                 goto fail;
2020         }
2021         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2022         ccb->ccb_h.status = CAM_MESSAGE_RECV;
2023         /*
2024          * This is not a strict interpretation of MDP, but it's close
2025          */
2026         ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2027         ccb->csio.msg_len = 7;
2028         ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2029         ccb->csio.msg_ptr[1] = 5;
2030         ccb->csio.msg_ptr[2] = 0;       /* modify data pointer */
2031         ccb->csio.msg_ptr[3] = srr_off >> 24;
2032         ccb->csio.msg_ptr[4] = srr_off >> 16;
2033         ccb->csio.msg_ptr[5] = srr_off >> 8;
2034         ccb->csio.msg_ptr[6] = srr_off;
2035         isp_complete_ctio(ccb);
2036 }
2037
2038
2039 static void
2040 isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify)
2041 {
2042         in_fcentry_24xx_t *inot = notify->nt_lreserved;
2043         atio_private_data_t *atp;
2044         uint32_t tag = notify->nt_tagval & 0xffffffff;
2045
2046         atp = isp_find_atpd(isp, notify->nt_channel, tag);
2047         if (atp == NULL) {
2048                 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify",
2049                     __func__, tag);
2050                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2051                 return;
2052         }
2053         atp->srr_notify_rcvd = 1;
2054         memcpy(atp->srr, inot, sizeof (atp->srr));
2055         isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x",
2056             inot->in_rxid, inot->in_flags, inot->in_srr_iu,
2057             ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo);
2058         if (atp->srr_ccb)
2059                 isp_handle_srr_start(isp, atp);
2060 }
2061
2062 static void
2063 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2064 {
2065         union ccb *ccb;
2066         int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0;
2067         atio_private_data_t *atp = NULL;
2068         int bus;
2069         uint32_t handle, data_requested, resid;
2070
2071         handle = ((ct2_entry_t *)arg)->ct_syshandle;
2072         ccb = isp_find_xs(isp, handle);
2073         if (ccb == NULL) {
2074                 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2075                 return;
2076         }
2077         isp_destroy_handle(isp, handle);
2078         resid = data_requested = PISP_PCMD(ccb)->datalen;
2079         isp_free_pcmd(isp, ccb);
2080
2081         bus = XS_CHANNEL(ccb);
2082         if (IS_24XX(isp)) {
2083                 atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid);
2084         } else {
2085                 atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid);
2086         }
2087         if (atp == NULL) {
2088                 /*
2089                  * XXX: isp_clear_commands() generates fake CTIO with zero
2090                  * ct_rxid value, filling only ct_syshandle.  Workaround
2091                  * that using tag_id from the CCB, pointed by ct_syshandle.
2092                  */
2093                 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id);
2094         }
2095         if (atp == NULL) {
2096                 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2097                 return;
2098         }
2099         KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2100         atp->bytes_in_transit -= data_requested;
2101         atp->ctcnt -= 1;
2102         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2103
2104         if (IS_24XX(isp)) {
2105                 ct7_entry_t *ct = arg;
2106
2107                 if (ct->ct_nphdl == CT7_SRR) {
2108                         atp->srr_ccb = ccb;
2109                         if (atp->srr_notify_rcvd)
2110                                 isp_handle_srr_start(isp, atp);
2111                         return;
2112                 }
2113                 if (ct->ct_nphdl == CT_HBA_RESET) {
2114                         sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2115                             (atp->sendst == 0);
2116                         failure = CAM_UNREC_HBA_ERROR;
2117                 } else {
2118                         sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2119                         ok = (ct->ct_nphdl == CT7_OK);
2120                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2121                         if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA)
2122                                 resid = ct->ct_resid;
2123                 }
2124                 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO7[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct),
2125                    notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2126         } else {
2127                 ct2_entry_t *ct = arg;
2128                 if (ct->ct_status == CT_SRR) {
2129                         atp->srr_ccb = ccb;
2130                         if (atp->srr_notify_rcvd)
2131                                 isp_handle_srr_start(isp, atp);
2132                         isp_target_putback_atio(ccb);
2133                         return;
2134                 }
2135                 if (ct->ct_status == CT_HBA_RESET) {
2136                         sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2137                             (atp->sendst == 0);
2138                         failure = CAM_UNREC_HBA_ERROR;
2139                 } else {
2140                         sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2141                         ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2142                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2143                         if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA)
2144                                 resid = ct->ct_resid;
2145                 }
2146                 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO2[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct),
2147                     notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2148         }
2149         if (ok) {
2150                 if (data_requested > 0) {
2151                         atp->bytes_xfered += data_requested - resid;
2152                         ccb->csio.resid = ccb->csio.dxfer_len -
2153                             (data_requested - resid);
2154                 }
2155                 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE))
2156                         ccb->ccb_h.status |= CAM_SENT_SENSE;
2157                 ccb->ccb_h.status |= CAM_REQ_CMP;
2158         } else {
2159                 notify_cam = 1;
2160                 if (failure == CAM_UNREC_HBA_ERROR)
2161                         ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2162                 else
2163                         ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2164         }
2165         atp->state = ATPD_STATE_PDON;
2166
2167         /*
2168          * We never *not* notify CAM when there has been any error (ok == 0),
2169          * so we never need to do an ATIO putback if we're not notifying CAM.
2170          */
2171         isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
2172             (sentstatus)? "  FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
2173         if (notify_cam == 0) {
2174                 if (atp->sendst) {
2175                         isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
2176                 }
2177                 return;
2178         }
2179
2180         /*
2181          * We are done with this ATIO if we successfully sent status.
2182          * In all other cases expect either another CTIO or XPT_ABORT.
2183          */
2184         if (ok && sentstatus)
2185                 isp_put_atpd(isp, bus, atp);
2186
2187         /*
2188          * We're telling CAM we're done with this CTIO transaction.
2189          *
2190          * 24XX cards never need an ATIO put back.
2191          *
2192          * Other cards need one put back only on error.
2193          * In the latter case, a timeout will re-fire
2194          * and try again in case we didn't have
2195          * queue resources to do so at first. In any case,
2196          * once the putback is done we do the completion
2197          * call.
2198          */
2199         if (ok || IS_24XX(isp)) {
2200                 isp_complete_ctio(ccb);
2201         } else {
2202                 isp_target_putback_atio(ccb);
2203         }
2204 }
2205
2206 static int
2207 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp)
2208 {
2209
2210         if (isp->isp_state != ISP_RUNSTATE) {
2211                 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
2212                 return (0);
2213         }
2214
2215         /*
2216          * This case is for a Task Management Function, which shows up as an ATIO7 entry.
2217          */
2218         if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
2219                 ct7_entry_t local, *cto = &local;
2220                 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
2221                 fcportdb_t *lp;
2222                 uint32_t sid;
2223                 uint16_t nphdl;
2224
2225                 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2226                 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) {
2227                         nphdl = lp->handle;
2228                 } else {
2229                         nphdl = NIL_HANDLE;
2230                 }
2231                 ISP_MEMZERO(&local, sizeof (local));
2232                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2233                 cto->ct_header.rqs_entry_count = 1;
2234                 cto->ct_nphdl = nphdl;
2235                 cto->ct_rxid = aep->at_rxid;
2236                 cto->ct_vpidx = mp->nt_channel;
2237                 cto->ct_iid_lo = sid;
2238                 cto->ct_iid_hi = sid >> 16;
2239                 cto->ct_oxid = aep->at_hdr.ox_id;
2240                 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
2241                 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
2242                 if (rsp != 0) {
2243                         cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8);
2244                         cto->rsp.m1.ct_resplen = 4;
2245                         ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp));
2246                         cto->rsp.m1.ct_resp[0] = rsp & 0xff;
2247                         cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff;
2248                         cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff;
2249                         cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff;
2250                 }
2251                 return (isp_target_put_entry(isp, &local));
2252         }
2253
2254         /*
2255          * This case is for a responding to an ABTS frame
2256          */
2257         if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2258
2259                 /*
2260                  * Overload nt_need_ack here to mark whether we've terminated the associated command.
2261                  */
2262                 if (mp->nt_need_ack) {
2263                         uint8_t storage[QENTRY_LEN];
2264                         ct7_entry_t *cto = (ct7_entry_t *) storage;
2265                         abts_t *abts = (abts_t *)mp->nt_lreserved;
2266
2267                         ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2268                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
2269                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2270                         cto->ct_header.rqs_entry_count = 1;
2271                         cto->ct_nphdl = mp->nt_nphdl;
2272                         cto->ct_rxid = abts->abts_rxid_task;
2273                         cto->ct_iid_lo = mp->nt_sid;
2274                         cto->ct_iid_hi = mp->nt_sid >> 16;
2275                         cto->ct_oxid = abts->abts_ox_id;
2276                         cto->ct_vpidx = mp->nt_channel;
2277                         cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2278                         if (isp_target_put_entry(isp, cto)) {
2279                                 return (ENOMEM);
2280                         }
2281                         mp->nt_need_ack = 0;
2282                 }
2283                 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
2284                         return (ENOMEM);
2285                 } else {
2286                         return (0);
2287                 }
2288         }
2289
2290         /*
2291          * Handle logout cases here
2292          */
2293         if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
2294                 isp_del_all_wwn_entries(isp, mp->nt_channel);
2295         }
2296
2297         if (mp->nt_ncode == NT_LOGOUT) {
2298                 if (!IS_2100(isp) && IS_FC(isp)) {
2299                         isp_del_wwn_entries(isp, mp);
2300                 }
2301         }
2302
2303         /*
2304          * General purpose acknowledgement
2305          */
2306         if (mp->nt_need_ack) {
2307                 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
2308                 /*
2309                  * Don't need to use the guaranteed send because the caller can retry
2310                  */
2311                 return (isp_notify_ack(isp, mp->nt_lreserved));
2312         }
2313         return (0);
2314 }
2315
2316 /*
2317  * Handle task management functions.
2318  *
2319  * We show up here with a notify structure filled out.
2320  *
2321  * The nt_lreserved tag points to the original queue entry
2322  */
2323 static void
2324 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
2325 {
2326         tstate_t *tptr;
2327         fcportdb_t *lp;
2328         struct ccb_immediate_notify *inot;
2329         inot_private_data_t *ntp = NULL;
2330         atio_private_data_t *atp;
2331         lun_id_t lun;
2332
2333         isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid  0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode,
2334             notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
2335         if (notify->nt_lun == LUN_ANY) {
2336                 if (notify->nt_tagval == TAG_ANY) {
2337                         lun = CAM_LUN_WILDCARD;
2338                 } else {
2339                         atp = isp_find_atpd(isp, notify->nt_channel,
2340                             notify->nt_tagval & 0xffffffff);
2341                         lun = atp ? atp->lun : CAM_LUN_WILDCARD;
2342                 }
2343         } else {
2344                 lun = notify->nt_lun;
2345         }
2346         tptr = get_lun_statep(isp, notify->nt_channel, lun);
2347         if (tptr == NULL) {
2348                 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
2349                 if (tptr == NULL) {
2350                         isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2351                         goto bad;
2352                 }
2353         }
2354         inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2355         if (inot == NULL) {
2356                 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2357                 goto bad;
2358         }
2359
2360         if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 &&
2361             isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) {
2362                 inot->initiator_id = CAM_TARGET_WILDCARD;
2363         } else {
2364                 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp);
2365         }
2366         inot->seq_id = notify->nt_tagval;
2367         inot->tag_id = notify->nt_tagval >> 32;
2368
2369         switch (notify->nt_ncode) {
2370         case NT_ABORT_TASK:
2371                 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id);
2372                 inot->arg = MSG_ABORT_TASK;
2373                 break;
2374         case NT_ABORT_TASK_SET:
2375                 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY);
2376                 inot->arg = MSG_ABORT_TASK_SET;
2377                 break;
2378         case NT_CLEAR_ACA:
2379                 inot->arg = MSG_CLEAR_ACA;
2380                 break;
2381         case NT_CLEAR_TASK_SET:
2382                 inot->arg = MSG_CLEAR_TASK_SET;
2383                 break;
2384         case NT_LUN_RESET:
2385                 inot->arg = MSG_LOGICAL_UNIT_RESET;
2386                 break;
2387         case NT_TARGET_RESET:
2388                 inot->arg = MSG_TARGET_RESET;
2389                 break;
2390         case NT_QUERY_TASK_SET:
2391                 inot->arg = MSG_QUERY_TASK_SET;
2392                 break;
2393         case NT_QUERY_ASYNC_EVENT:
2394                 inot->arg = MSG_QUERY_ASYNC_EVENT;
2395                 break;
2396         default:
2397                 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);
2398                 goto bad;
2399         }
2400
2401         ntp = isp_get_ntpd(isp, notify->nt_channel);
2402         if (ntp == NULL) {
2403                 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
2404                 goto bad;
2405         }
2406         ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t));
2407         if (notify->nt_lreserved) {
2408                 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN);
2409                 ntp->nt.nt_lreserved = &ntp->data;
2410         }
2411         ntp->seq_id = notify->nt_tagval;
2412         ntp->tag_id = notify->nt_tagval >> 32;
2413
2414         SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2415         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n");
2416         inot->ccb_h.status = CAM_MESSAGE_RECV;
2417         xpt_done((union ccb *)inot);
2418         return;
2419 bad:
2420         if (notify->nt_need_ack) {
2421                 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2422                         if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
2423                                 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
2424                         }
2425                 } else {
2426                         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
2427                 }
2428         }
2429 }
2430
2431 static void
2432 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id)
2433 {
2434         atio_private_data_t *atp, *atpool;
2435         inot_private_data_t *ntp, *tmp;
2436         uint32_t this_tag_id;
2437
2438         /*
2439          * First, clean any commands pending restart
2440          */
2441         STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) {
2442                 if (IS_24XX(isp))
2443                         this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid;
2444                 else
2445                         this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid;
2446                 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
2447                         isp_endcmd(isp, ntp->data, NIL_HANDLE, chan,
2448                             ECMD_TERMINATE, 0);
2449                         isp_put_ntpd(isp, chan, ntp);
2450                         STAILQ_REMOVE(&tptr->restart_queue, ntp,
2451                             inot_private_data, next);
2452                 }
2453         }
2454
2455         /*
2456          * Now mark other ones dead as well.
2457          */
2458         ISP_GET_PC(isp, chan, atpool, atpool);
2459         for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
2460                 if (atp->lun != tptr->ts_lun)
2461                         continue;
2462                 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id)
2463                         atp->dead = 1;
2464         }
2465 }
2466 #endif
2467
2468 static void
2469 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
2470 {
2471         struct cam_sim *sim;
2472         int bus, tgt;
2473         ispsoftc_t *isp;
2474
2475         sim = (struct cam_sim *)cbarg;
2476         isp = (ispsoftc_t *) cam_sim_softc(sim);
2477         bus = cam_sim_bus(sim);
2478         tgt = xpt_path_target_id(path);
2479
2480         switch (code) {
2481         case AC_LOST_DEVICE:
2482                 if (IS_SCSI(isp)) {
2483                         uint16_t oflags, nflags;
2484                         sdparam *sdp = SDPARAM(isp, bus);
2485
2486                         if (tgt >= 0) {
2487                                 nflags = sdp->isp_devparam[tgt].nvrm_flags;
2488                                 nflags &= DPARM_SAFE_DFLT;
2489                                 if (isp->isp_loaded_fw) {
2490                                         nflags |= DPARM_NARROW | DPARM_ASYNC;
2491                                 }
2492                                 oflags = sdp->isp_devparam[tgt].goal_flags;
2493                                 sdp->isp_devparam[tgt].goal_flags = nflags;
2494                                 sdp->isp_devparam[tgt].dev_update = 1;
2495                                 sdp->update = 1;
2496                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
2497                                 sdp->isp_devparam[tgt].goal_flags = oflags;
2498                         }
2499                 }
2500                 break;
2501         default:
2502                 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
2503                 break;
2504         }
2505 }
2506
2507 static void
2508 isp_poll(struct cam_sim *sim)
2509 {
2510         ispsoftc_t *isp = cam_sim_softc(sim);
2511
2512         ISP_RUN_ISR(isp);
2513 }
2514
2515
2516 static void
2517 isp_watchdog(void *arg)
2518 {
2519         struct ccb_scsiio *xs = arg;
2520         ispsoftc_t *isp;
2521         uint32_t ohandle = ISP_HANDLE_FREE, handle;
2522
2523         isp = XS_ISP(xs);
2524
2525         handle = isp_find_handle(isp, xs);
2526
2527         /*
2528          * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
2529          */
2530         if (handle != ISP_HANDLE_FREE) {
2531                 ISP_RUN_ISR(isp);
2532                 ohandle = handle;
2533                 handle = isp_find_handle(isp, xs);
2534         }
2535         if (handle != ISP_HANDLE_FREE) {
2536                 /*
2537                  * Try and make sure the command is really dead before
2538                  * we release the handle (and DMA resources) for reuse.
2539                  *
2540                  * If we are successful in aborting the command then
2541                  * we're done here because we'll get the command returned
2542                  * back separately.
2543                  */
2544                 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
2545                         return;
2546                 }
2547
2548                 /*
2549                  * Note that after calling the above, the command may in
2550                  * fact have been completed.
2551                  */
2552                 xs = isp_find_xs(isp, handle);
2553
2554                 /*
2555                  * If the command no longer exists, then we won't
2556                  * be able to find the xs again with this handle.
2557                  */
2558                 if (xs == NULL) {
2559                         return;
2560                 }
2561
2562                 /*
2563                  * After this point, the command is really dead.
2564                  */
2565                 if (XS_XFRLEN(xs)) {
2566                         ISP_DMAFREE(isp, xs, handle);
2567                 }
2568                 isp_destroy_handle(isp, handle);
2569                 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
2570                 XS_SETERR(xs, CAM_CMD_TIMEOUT);
2571                 isp_done(xs);
2572         } else {
2573                 if (ohandle != ISP_HANDLE_FREE) {
2574                         isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
2575                 } else {
2576                         isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
2577                 }
2578         }
2579 }
2580
2581 static void
2582 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2583 {
2584         union ccb *ccb;
2585         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2586
2587         /*
2588          * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
2589          */
2590         ccb = xpt_alloc_ccb_nowait();
2591         if (ccb == NULL) {
2592                 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
2593                 return;
2594         }
2595         if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
2596             tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2597                 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
2598                 xpt_free_ccb(ccb);
2599                 return;
2600         }
2601         xpt_rescan(ccb);
2602 }
2603
2604 static void
2605 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2606 {
2607         struct cam_path *tp;
2608         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2609
2610         if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
2611                 xpt_async(AC_LOST_DEVICE, tp, NULL);
2612                 xpt_free_path(tp);
2613         }
2614 }
2615
2616 /*
2617  * Gone Device Timer Function- when we have decided that a device has gone
2618  * away, we wait a specific period of time prior to telling the OS it has
2619  * gone away.
2620  *
2621  * This timer function fires once a second and then scans the port database
2622  * for devices that are marked dead but still have a virtual target assigned.
2623  * We decrement a counter for that port database entry, and when it hits zero,
2624  * we tell the OS the device has gone away.
2625  */
2626 static void
2627 isp_gdt(void *arg)
2628 {
2629         struct isp_fc *fc = arg;
2630         taskqueue_enqueue(taskqueue_thread, &fc->gtask);
2631 }
2632
2633 static void
2634 isp_gdt_task(void *arg, int pending)
2635 {
2636         struct isp_fc *fc = arg;
2637         ispsoftc_t *isp = fc->isp;
2638         int chan = fc - isp->isp_osinfo.pc.fc;
2639         fcportdb_t *lp;
2640         struct ac_contract ac;
2641         struct ac_device_changed *adc;
2642         int dbidx, more_to_do = 0;
2643
2644         ISP_LOCK(isp);
2645         isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
2646         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2647                 lp = &FCPARAM(isp, chan)->portdb[dbidx];
2648
2649                 if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
2650                         continue;
2651                 }
2652                 if (lp->gone_timer != 0) {
2653                         lp->gone_timer -= 1;
2654                         more_to_do++;
2655                         continue;
2656                 }
2657                 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout");
2658                 if (lp->is_target) {
2659                         lp->is_target = 0;
2660                         isp_make_gone(isp, lp, chan, dbidx);
2661                 }
2662                 if (lp->is_initiator) {
2663                         lp->is_initiator = 0;
2664                         ac.contract_number = AC_CONTRACT_DEV_CHG;
2665                         adc = (struct ac_device_changed *) ac.contract_data;
2666                         adc->wwpn = lp->port_wwn;
2667                         adc->port = lp->portid;
2668                         adc->target = dbidx;
2669                         adc->arrived = 0;
2670                         xpt_async(AC_CONTRACT, fc->path, &ac);
2671                 }
2672                 lp->state = FC_PORTDB_STATE_NIL;
2673         }
2674         if (fc->ready) {
2675                 if (more_to_do) {
2676                         callout_reset(&fc->gdt, hz, isp_gdt, fc);
2677                 } else {
2678                         callout_deactivate(&fc->gdt);
2679                         isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
2680                 }
2681         }
2682         ISP_UNLOCK(isp);
2683 }
2684
2685 /*
2686  * When loop goes down we remember the time and freeze CAM command queue.
2687  * During some time period we are trying to reprobe the loop.  But if we
2688  * fail, we tell the OS that devices have gone away and drop the freeze.
2689  *
2690  * We don't clear the devices out of our port database because, when loop
2691  * come back up, we have to do some actual cleanup with the chip at that
2692  * point (implicit PLOGO, e.g., to get the chip's port database state right).
2693  */
2694 static void
2695 isp_loop_changed(ispsoftc_t *isp, int chan)
2696 {
2697         fcparam *fcp = FCPARAM(isp, chan);
2698         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2699
2700         if (fc->loop_down_time)
2701                 return;
2702         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan);
2703         if (fcp->role & ISP_ROLE_INITIATOR)
2704                 isp_freeze_loopdown(isp, chan);
2705         fc->loop_down_time = time_uptime;
2706         wakeup(fc);
2707 }
2708
2709 static void
2710 isp_loop_up(ispsoftc_t *isp, int chan)
2711 {
2712         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2713
2714         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan);
2715         fc->loop_seen_once = 1;
2716         fc->loop_down_time = 0;
2717         isp_unfreeze_loopdown(isp, chan);
2718 }
2719
2720 static void
2721 isp_loop_dead(ispsoftc_t *isp, int chan)
2722 {
2723         fcparam *fcp = FCPARAM(isp, chan);
2724         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2725         fcportdb_t *lp;
2726         struct ac_contract ac;
2727         struct ac_device_changed *adc;
2728         int dbidx, i;
2729
2730         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan);
2731
2732         /*
2733          * Notify to the OS all targets who we now consider have departed.
2734          */
2735         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2736                 lp = &fcp->portdb[dbidx];
2737
2738                 if (lp->state == FC_PORTDB_STATE_NIL)
2739                         continue;
2740
2741                 for (i = 0; i < isp->isp_maxcmds; i++) {
2742                         struct ccb_scsiio *xs;
2743
2744                         if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) {
2745                                 continue;
2746                         }
2747                         if ((xs = isp->isp_xflist[i].cmd) == NULL) {
2748                                 continue;
2749                         }
2750                         if (dbidx != XS_TGT(xs)) {
2751                                 continue;
2752                         }
2753                         isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout",
2754                             isp->isp_xflist[i].handle, chan, XS_TGT(xs),
2755                             (uintmax_t)XS_LUN(xs));
2756
2757                         /*
2758                          * Just like in isp_watchdog, abort the outstanding
2759                          * command or immediately free its resources if it is
2760                          * not active
2761                          */
2762                         if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
2763                                 continue;
2764                         }
2765
2766                         if (XS_XFRLEN(xs)) {
2767                                 ISP_DMAFREE(isp, xs, isp->isp_xflist[i].handle);
2768                         }
2769                         isp_destroy_handle(isp, isp->isp_xflist[i].handle);
2770                         isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed",
2771                             isp->isp_xflist[i].handle, chan, XS_TGT(xs),
2772                             (uintmax_t)XS_LUN(xs));
2773                         XS_SETERR(xs, HBA_BUSRESET);
2774                         isp_done(xs);
2775                 }
2776
2777                 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout");
2778                 if (lp->is_target) {
2779                         lp->is_target = 0;
2780                         isp_make_gone(isp, lp, chan, dbidx);
2781                 }
2782                 if (lp->is_initiator) {
2783                         lp->is_initiator = 0;
2784                         ac.contract_number = AC_CONTRACT_DEV_CHG;
2785                         adc = (struct ac_device_changed *) ac.contract_data;
2786                         adc->wwpn = lp->port_wwn;
2787                         adc->port = lp->portid;
2788                         adc->target = dbidx;
2789                         adc->arrived = 0;
2790                         xpt_async(AC_CONTRACT, fc->path, &ac);
2791                 }
2792         }
2793
2794         isp_unfreeze_loopdown(isp, chan);
2795         fc->loop_down_time = 0;
2796 }
2797
2798 static void
2799 isp_kthread(void *arg)
2800 {
2801         struct isp_fc *fc = arg;
2802         ispsoftc_t *isp = fc->isp;
2803         int chan = fc - isp->isp_osinfo.pc.fc;
2804         int slp = 0, d;
2805         int lb, lim;
2806
2807         ISP_LOCK(isp);
2808         while (isp->isp_osinfo.is_exiting == 0) {
2809                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
2810                     "Chan %d Checking FC state", chan);
2811                 lb = isp_fc_runstate(isp, chan, 250000);
2812                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
2813                     "Chan %d FC got to %s state", chan,
2814                     isp_fc_loop_statename(lb));
2815
2816                 /*
2817                  * Our action is different based upon whether we're supporting
2818                  * Initiator mode or not. If we are, we might freeze the simq
2819                  * when loop is down and set all sorts of different delays to
2820                  * check again.
2821                  *
2822                  * If not, we simply just wait for loop to come up.
2823                  */
2824                 if (lb == LOOP_READY || lb < 0) {
2825                         slp = 0;
2826                 } else {
2827                         /*
2828                          * If we've never seen loop up and we've waited longer
2829                          * than quickboot time, or we've seen loop up but we've
2830                          * waited longer than loop_down_limit, give up and go
2831                          * to sleep until loop comes up.
2832                          */
2833                         if (fc->loop_seen_once == 0)
2834                                 lim = isp_quickboot_time;
2835                         else
2836                                 lim = fc->loop_down_limit;
2837                         d = time_uptime - fc->loop_down_time;
2838                         if (d >= lim)
2839                                 slp = 0;
2840                         else if (d < 10)
2841                                 slp = 1;
2842                         else if (d < 30)
2843                                 slp = 5;
2844                         else if (d < 60)
2845                                 slp = 10;
2846                         else if (d < 120)
2847                                 slp = 20;
2848                         else
2849                                 slp = 30;
2850                 }
2851
2852                 if (slp == 0) {
2853                         if (lb == LOOP_READY)
2854                                 isp_loop_up(isp, chan);
2855                         else
2856                                 isp_loop_dead(isp, chan);
2857                 }
2858
2859                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
2860                     "Chan %d sleep for %d seconds", chan, slp);
2861                 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz);
2862         }
2863         fc->num_threads -= 1;
2864         ISP_UNLOCK(isp);
2865         kthread_exit();
2866 }
2867
2868 #ifdef  ISP_TARGET_MODE
2869 static void
2870 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb)
2871 {
2872         atio_private_data_t *atp;
2873         union ccb *accb = ccb->cab.abort_ccb;
2874         struct ccb_hdr *sccb;
2875         tstate_t *tptr;
2876
2877         tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
2878         if (tptr != NULL) {
2879                 /* Search for the ATIO among queueued. */
2880                 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) {
2881                         if (sccb != &accb->ccb_h)
2882                                 continue;
2883                         SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle);
2884                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path,
2885                             "Abort FREE ATIO\n");
2886                         accb->ccb_h.status = CAM_REQ_ABORTED;
2887                         xpt_done(accb);
2888                         ccb->ccb_h.status = CAM_REQ_CMP;
2889                         return;
2890                 }
2891         }
2892
2893         /* Search for the ATIO among running. */
2894         atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id);
2895         if (atp != NULL) {
2896                 /* Send TERMINATE to firmware. */
2897                 if (!atp->dead && IS_24XX(isp)) {
2898                         uint8_t storage[QENTRY_LEN];
2899                         ct7_entry_t *cto = (ct7_entry_t *) storage;
2900
2901                         ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2902                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2903                         cto->ct_header.rqs_entry_count = 1;
2904                         cto->ct_nphdl = atp->nphdl;
2905                         cto->ct_rxid = atp->tag;
2906                         cto->ct_iid_lo = atp->sid;
2907                         cto->ct_iid_hi = atp->sid >> 16;
2908                         cto->ct_oxid = atp->oxid;
2909                         cto->ct_vpidx = XS_CHANNEL(accb);
2910                         cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2911                         isp_target_put_entry(isp, cto);
2912                 }
2913                 isp_put_atpd(isp, XS_CHANNEL(accb), atp);
2914                 ccb->ccb_h.status = CAM_REQ_CMP;
2915         } else {
2916                 ccb->ccb_h.status = CAM_UA_ABORT;
2917         }
2918 }
2919
2920 static void
2921 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb)
2922 {
2923         inot_private_data_t *ntp;
2924         union ccb *accb = ccb->cab.abort_ccb;
2925         struct ccb_hdr *sccb;
2926         tstate_t *tptr;
2927
2928         tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
2929         if (tptr != NULL) {
2930                 /* Search for the INOT among queueued. */
2931                 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) {
2932                         if (sccb != &accb->ccb_h)
2933                                 continue;
2934                         SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle);
2935                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path,
2936                             "Abort FREE INOT\n");
2937                         accb->ccb_h.status = CAM_REQ_ABORTED;
2938                         xpt_done(accb);
2939                         ccb->ccb_h.status = CAM_REQ_CMP;
2940                         return;
2941                 }
2942         }
2943
2944         /* Search for the INOT among running. */
2945         ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id);
2946         if (ntp != NULL) {
2947                 if (ntp->nt.nt_need_ack) {
2948                         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK,
2949                             ntp->nt.nt_lreserved);
2950                 }
2951                 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp);
2952                 ccb->ccb_h.status = CAM_REQ_CMP;
2953         } else {
2954                 ccb->ccb_h.status = CAM_UA_ABORT;
2955                 return;
2956         }
2957 }
2958 #endif
2959
2960 static void
2961 isp_action(struct cam_sim *sim, union ccb *ccb)
2962 {
2963         int bus, tgt, error;
2964         ispsoftc_t *isp;
2965         struct ccb_trans_settings *cts;
2966         sbintime_t ts;
2967
2968         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
2969
2970         isp = (ispsoftc_t *)cam_sim_softc(sim);
2971         ISP_ASSERT_LOCKED(isp);
2972         bus = cam_sim_bus(sim);
2973         isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
2974         ISP_PCMD(ccb) = NULL;
2975
2976         switch (ccb->ccb_h.func_code) {
2977         case XPT_SCSI_IO:       /* Execute the requested I/O operation */
2978                 /*
2979                  * Do a couple of preliminary checks...
2980                  */
2981                 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
2982                         if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
2983                                 ccb->ccb_h.status = CAM_REQ_INVALID;
2984                                 isp_done((struct ccb_scsiio *) ccb);
2985                                 break;
2986                         }
2987                 }
2988                 ccb->csio.req_map = NULL;
2989 #ifdef  DIAGNOSTIC
2990                 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) {
2991                         xpt_print(ccb->ccb_h.path, "invalid target\n");
2992                         ccb->ccb_h.status = CAM_PATH_INVALID;
2993                 } else if (ISP_MAX_LUNS(isp) > 0 &&
2994                     ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) {
2995                         xpt_print(ccb->ccb_h.path, "invalid lun\n");
2996                         ccb->ccb_h.status = CAM_PATH_INVALID;
2997                 }
2998                 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
2999                         xpt_done(ccb);
3000                         break;
3001                 }
3002 #endif
3003                 ccb->csio.scsi_status = SCSI_STATUS_OK;
3004                 if (isp_get_pcmd(isp, ccb)) {
3005                         isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
3006                         cam_freeze_devq(ccb->ccb_h.path);
3007                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
3008                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3009                         xpt_done(ccb);
3010                         break;
3011                 }
3012                 error = isp_start((XS_T *) ccb);
3013                 switch (error) {
3014                 case CMD_QUEUED:
3015                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
3016                         if (ccb->ccb_h.timeout == CAM_TIME_INFINITY)
3017                                 break;
3018                         /* Give firmware extra 10s to handle timeout. */
3019                         ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S;
3020                         callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0,
3021                             isp_watchdog, ccb, 0);
3022                         break;
3023                 case CMD_RQLATER:
3024                         isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later",
3025                             XS_TGT(ccb), (uintmax_t)XS_LUN(ccb));
3026                         cam_freeze_devq(ccb->ccb_h.path);
3027                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3028                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3029                         isp_free_pcmd(isp, ccb);
3030                         xpt_done(ccb);
3031                         break;
3032                 case CMD_EAGAIN:
3033                         isp_free_pcmd(isp, ccb);
3034                         cam_freeze_devq(ccb->ccb_h.path);
3035                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
3036                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3037                         xpt_done(ccb);
3038                         break;
3039                 case CMD_COMPLETE:
3040                         isp_done((struct ccb_scsiio *) ccb);
3041                         break;
3042                 default:
3043                         isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
3044                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3045                         isp_free_pcmd(isp, ccb);
3046                         xpt_done(ccb);
3047                 }
3048                 break;
3049
3050 #ifdef  ISP_TARGET_MODE
3051         case XPT_EN_LUN:                /* Enable/Disable LUN as a target */
3052                 if (ccb->cel.enable) {
3053                         isp_enable_lun(isp, ccb);
3054                 } else {
3055                         isp_disable_lun(isp, ccb);
3056                 }
3057                 break;
3058         case XPT_IMMEDIATE_NOTIFY:      /* Add Immediate Notify Resource */
3059         case XPT_ACCEPT_TARGET_IO:      /* Add Accept Target IO Resource */
3060         {
3061                 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
3062                 if (tptr == NULL) {
3063                         const char *str;
3064
3065                         if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY)
3066                                 str = "XPT_IMMEDIATE_NOTIFY";
3067                         else
3068                                 str = "XPT_ACCEPT_TARGET_IO";
3069                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path,
3070                             "%s: no state pointer found for %s\n",
3071                             __func__, str);
3072                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3073                         xpt_done(ccb);
3074                         break;
3075                 }
3076                 ccb->ccb_h.spriv_field0 = 0;
3077                 ccb->ccb_h.spriv_ptr1 = isp;
3078
3079                 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
3080                         ccb->atio.tag_id = 0;
3081                         SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
3082                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3083                             "Put FREE ATIO\n");
3084                 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
3085                         ccb->cin1.seq_id = ccb->cin1.tag_id = 0;
3086                         SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
3087                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3088                             "Put FREE INOT\n");
3089                 }
3090                 ccb->ccb_h.status = CAM_REQ_INPROG;
3091                 break;
3092         }
3093         case XPT_NOTIFY_ACKNOWLEDGE:            /* notify ack */
3094         {
3095                 inot_private_data_t *ntp;
3096
3097                 /*
3098                  * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
3099                  * XXX: matches that for the immediate notify, we have to *search* for the notify structure
3100                  */
3101                 /*
3102                  * All the relevant path information is in the associated immediate notify
3103                  */
3104                 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);
3105                 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id);
3106                 if (ntp == NULL) {
3107                         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__,
3108                              ccb->cna2.tag_id, ccb->cna2.seq_id);
3109                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3110                         xpt_done(ccb);
3111                         break;
3112                 }
3113                 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt,
3114                     (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) {
3115                         cam_freeze_devq(ccb->ccb_h.path);
3116                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3117                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3118                         ccb->ccb_h.status |= CAM_REQUEUE_REQ;
3119                         break;
3120                 }
3121                 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp);
3122                 ccb->ccb_h.status = CAM_REQ_CMP;
3123                 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);
3124                 xpt_done(ccb);
3125                 break;
3126         }
3127         case XPT_CONT_TARGET_IO:
3128                 isp_target_start_ctio(isp, ccb, FROM_CAM);
3129                 break;
3130 #endif
3131         case XPT_RESET_DEV:             /* BDR the specified SCSI device */
3132                 tgt = ccb->ccb_h.target_id;
3133                 tgt |= (bus << 16);
3134
3135                 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
3136                 if (error) {
3137                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3138                 } else {
3139                         /*
3140                          * If we have a FC device, reset the Command
3141                          * Reference Number, because the target will expect
3142                          * that we re-start the CRN at 1 after a reset.
3143                          */
3144                         if (IS_FC(isp))
3145                                 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3146
3147                         ccb->ccb_h.status = CAM_REQ_CMP;
3148                 }
3149                 xpt_done(ccb);
3150                 break;
3151         case XPT_ABORT:                 /* Abort the specified CCB */
3152         {
3153                 union ccb *accb = ccb->cab.abort_ccb;
3154                 switch (accb->ccb_h.func_code) {
3155 #ifdef  ISP_TARGET_MODE
3156                 case XPT_ACCEPT_TARGET_IO:
3157                         isp_abort_atio(isp, ccb);
3158                         break;
3159                 case XPT_IMMEDIATE_NOTIFY:
3160                         isp_abort_inot(isp, ccb);
3161                         break;
3162 #endif
3163                 case XPT_SCSI_IO:
3164                         error = isp_control(isp, ISPCTL_ABORT_CMD, accb);
3165                         if (error) {
3166                                 ccb->ccb_h.status = CAM_UA_ABORT;
3167                         } else {
3168                                 ccb->ccb_h.status = CAM_REQ_CMP;
3169                         }
3170                         break;
3171                 default:
3172                         ccb->ccb_h.status = CAM_REQ_INVALID;
3173                         break;
3174                 }
3175                 /*
3176                  * This is not a queued CCB, so the caller expects it to be
3177                  * complete when control is returned.
3178                  */
3179                 break;
3180         }
3181 #define IS_CURRENT_SETTINGS(c)  (c->type == CTS_TYPE_CURRENT_SETTINGS)
3182         case XPT_SET_TRAN_SETTINGS:     /* Nexus Settings */
3183                 cts = &ccb->cts;
3184                 if (!IS_CURRENT_SETTINGS(cts)) {
3185                         ccb->ccb_h.status = CAM_REQ_INVALID;
3186                         xpt_done(ccb);
3187                         break;
3188                 }
3189                 tgt = cts->ccb_h.target_id;
3190                 if (IS_SCSI(isp)) {
3191                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3192                         struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3193                         sdparam *sdp = SDPARAM(isp, bus);
3194                         uint16_t *dptr;
3195
3196                         if (spi->valid == 0 && scsi->valid == 0) {
3197                                 ccb->ccb_h.status = CAM_REQ_CMP;
3198                                 xpt_done(ccb);
3199                                 break;
3200                         }
3201
3202                         /*
3203                          * We always update (internally) from goal_flags
3204                          * so any request to change settings just gets
3205                          * vectored to that location.
3206                          */
3207                         dptr = &sdp->isp_devparam[tgt].goal_flags;
3208
3209                         if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
3210                                 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
3211                                         *dptr |= DPARM_DISC;
3212                                 else
3213                                         *dptr &= ~DPARM_DISC;
3214                         }
3215
3216                         if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
3217                                 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
3218                                         *dptr |= DPARM_TQING;
3219                                 else
3220                                         *dptr &= ~DPARM_TQING;
3221                         }
3222
3223                         if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
3224                                 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
3225                                         *dptr |= DPARM_WIDE;
3226                                 else
3227                                         *dptr &= ~DPARM_WIDE;
3228                         }
3229
3230                         /*
3231                          * XXX: FIX ME
3232                          */
3233                         if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
3234                                 *dptr |= DPARM_SYNC;
3235                                 /*
3236                                  * XXX: CHECK FOR LEGALITY
3237                                  */
3238                                 sdp->isp_devparam[tgt].goal_period = spi->sync_period;
3239                                 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
3240                         } else {
3241                                 *dptr &= ~DPARM_SYNC;
3242                         }
3243                         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,
3244                             sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
3245                         sdp->isp_devparam[tgt].dev_update = 1;
3246                         sdp->update = 1;
3247                 }
3248                 ccb->ccb_h.status = CAM_REQ_CMP;
3249                 xpt_done(ccb);
3250                 break;
3251         case XPT_GET_TRAN_SETTINGS:
3252                 cts = &ccb->cts;
3253                 tgt = cts->ccb_h.target_id;
3254                 if (IS_FC(isp)) {
3255                         fcparam *fcp = FCPARAM(isp, bus);
3256                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3257                         struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
3258
3259                         cts->protocol = PROTO_SCSI;
3260                         cts->protocol_version = SCSI_REV_2;
3261                         cts->transport = XPORT_FC;
3262                         cts->transport_version = 0;
3263
3264                         scsi->valid = CTS_SCSI_VALID_TQ;
3265                         scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
3266                         fc->valid = CTS_FC_VALID_SPEED;
3267                         fc->bitrate = 100000;
3268                         fc->bitrate *= fcp->isp_gbspeed;
3269                         if (tgt < MAX_FC_TARG) {
3270                                 fcportdb_t *lp = &fcp->portdb[tgt];
3271                                 fc->wwnn = lp->node_wwn;
3272                                 fc->wwpn = lp->port_wwn;
3273                                 fc->port = lp->portid;
3274                                 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
3275                         }
3276                 } else {
3277                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3278                         struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3279                         sdparam *sdp = SDPARAM(isp, bus);
3280                         uint16_t dval, pval, oval;
3281
3282                         if (IS_CURRENT_SETTINGS(cts)) {
3283                                 sdp->isp_devparam[tgt].dev_refresh = 1;
3284                                 sdp->update = 1;
3285                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3286                                 dval = sdp->isp_devparam[tgt].actv_flags;
3287                                 oval = sdp->isp_devparam[tgt].actv_offset;
3288                                 pval = sdp->isp_devparam[tgt].actv_period;
3289                         } else {
3290                                 dval = sdp->isp_devparam[tgt].nvrm_flags;
3291                                 oval = sdp->isp_devparam[tgt].nvrm_offset;
3292                                 pval = sdp->isp_devparam[tgt].nvrm_period;
3293                         }
3294
3295                         cts->protocol = PROTO_SCSI;
3296                         cts->protocol_version = SCSI_REV_2;
3297                         cts->transport = XPORT_SPI;
3298                         cts->transport_version = 2;
3299
3300                         spi->valid = 0;
3301                         scsi->valid = 0;
3302                         spi->flags = 0;
3303                         scsi->flags = 0;
3304                         if (dval & DPARM_DISC) {
3305                                 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3306                         }
3307                         if ((dval & DPARM_SYNC) && oval && pval) {
3308                                 spi->sync_offset = oval;
3309                                 spi->sync_period = pval;
3310                         } else {
3311                                 spi->sync_offset = 0;
3312                                 spi->sync_period = 0;
3313                         }
3314                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3315                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3316                         spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
3317                         if (dval & DPARM_WIDE) {
3318                                 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3319                         } else {
3320                                 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3321                         }
3322                         if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3323                                 scsi->valid = CTS_SCSI_VALID_TQ;
3324                                 if (dval & DPARM_TQING) {
3325                                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3326                                 }
3327                                 spi->valid |= CTS_SPI_VALID_DISC;
3328                         }
3329                         isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
3330                             bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval);
3331                 }
3332                 ccb->ccb_h.status = CAM_REQ_CMP;
3333                 xpt_done(ccb);
3334                 break;
3335
3336         case XPT_CALC_GEOMETRY:
3337                 cam_calc_geometry(&ccb->ccg, 1);
3338                 xpt_done(ccb);
3339                 break;
3340
3341         case XPT_RESET_BUS:             /* Reset the specified bus */
3342                 error = isp_control(isp, ISPCTL_RESET_BUS, bus);
3343                 if (error) {
3344                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3345                         xpt_done(ccb);
3346                         break;
3347                 }
3348                 if (bootverbose) {
3349                         xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
3350                 }
3351                 if (IS_FC(isp)) {
3352                         xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
3353                 } else {
3354                         xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
3355                 }
3356                 ccb->ccb_h.status = CAM_REQ_CMP;
3357                 xpt_done(ccb);
3358                 break;
3359
3360         case XPT_TERM_IO:               /* Terminate the I/O process */
3361                 ccb->ccb_h.status = CAM_REQ_INVALID;
3362                 xpt_done(ccb);
3363                 break;
3364
3365         case XPT_SET_SIM_KNOB:          /* Set SIM knobs */
3366         {
3367                 struct ccb_sim_knob *kp = &ccb->knob;
3368                 fcparam *fcp;
3369
3370                 if (!IS_FC(isp)) {
3371                         ccb->ccb_h.status = CAM_REQ_INVALID;
3372                         xpt_done(ccb);
3373                         break;
3374                 }
3375
3376                 fcp = FCPARAM(isp, bus);
3377
3378                 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
3379                         fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
3380                         fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
3381                         isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
3382                 }
3383                 ccb->ccb_h.status = CAM_REQ_CMP;
3384                 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
3385                         int rchange = 0;
3386                         int newrole = 0;
3387
3388                         switch (kp->xport_specific.fc.role) {
3389                         case KNOB_ROLE_NONE:
3390                                 if (fcp->role != ISP_ROLE_NONE) {
3391                                         rchange = 1;
3392                                         newrole = ISP_ROLE_NONE;
3393                                 }
3394                                 break;
3395                         case KNOB_ROLE_TARGET:
3396                                 if (fcp->role != ISP_ROLE_TARGET) {
3397                                         rchange = 1;
3398                                         newrole = ISP_ROLE_TARGET;
3399                                 }
3400                                 break;
3401                         case KNOB_ROLE_INITIATOR:
3402                                 if (fcp->role != ISP_ROLE_INITIATOR) {
3403                                         rchange = 1;
3404                                         newrole = ISP_ROLE_INITIATOR;
3405                                 }
3406                                 break;
3407                         case KNOB_ROLE_BOTH:
3408                                 if (fcp->role != ISP_ROLE_BOTH) {
3409                                         rchange = 1;
3410                                         newrole = ISP_ROLE_BOTH;
3411                                 }
3412                                 break;
3413                         }
3414                         if (rchange) {
3415                                 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
3416                                 if (isp_control(isp, ISPCTL_CHANGE_ROLE,
3417                                     bus, newrole) != 0) {
3418                                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3419                                         xpt_done(ccb);
3420                                         break;
3421                                 }
3422                         }
3423                 }
3424                 xpt_done(ccb);
3425                 break;
3426         }
3427         case XPT_GET_SIM_KNOB_OLD:      /* Get SIM knobs -- compat value */
3428         case XPT_GET_SIM_KNOB:          /* Get SIM knobs */
3429         {
3430                 struct ccb_sim_knob *kp = &ccb->knob;
3431
3432                 if (IS_FC(isp)) {
3433                         fcparam *fcp;
3434
3435                         fcp = FCPARAM(isp, bus);
3436
3437                         kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
3438                         kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
3439                         switch (fcp->role) {
3440                         case ISP_ROLE_NONE:
3441                                 kp->xport_specific.fc.role = KNOB_ROLE_NONE;
3442                                 break;
3443                         case ISP_ROLE_TARGET:
3444                                 kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
3445                                 break;
3446                         case ISP_ROLE_INITIATOR:
3447                                 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
3448                                 break;
3449                         case ISP_ROLE_BOTH:
3450                                 kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
3451                                 break;
3452                         }
3453                         kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
3454                         ccb->ccb_h.status = CAM_REQ_CMP;
3455                 } else {
3456                         ccb->ccb_h.status = CAM_REQ_INVALID;
3457                 }
3458                 xpt_done(ccb);
3459                 break;
3460         }
3461         case XPT_PATH_INQ:              /* Path routing inquiry */
3462         {
3463                 struct ccb_pathinq *cpi = &ccb->cpi;
3464
3465                 cpi->version_num = 1;
3466 #ifdef  ISP_TARGET_MODE
3467                 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp))
3468                         cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
3469                 else
3470 #endif
3471                         cpi->target_sprt = 0;
3472                 cpi->hba_eng_cnt = 0;
3473                 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
3474                 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ?
3475                     255 : ISP_MAX_LUNS(isp) - 1;
3476                 cpi->bus_id = cam_sim_bus(sim);
3477                 if (sizeof (bus_size_t) > 4)
3478                         cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
3479                 else
3480                         cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
3481
3482                 if (IS_FC(isp)) {
3483                         fcparam *fcp = FCPARAM(isp, bus);
3484
3485                         cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
3486                         cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN;
3487
3488                         /*
3489                          * Because our loop ID can shift from time to time,
3490                          * make our initiator ID out of range of our bus.
3491                          */
3492                         cpi->initiator_id = cpi->max_target + 1;
3493
3494                         /*
3495                          * Set base transfer capabilities for Fibre Channel, for this HBA.
3496                          */
3497                         if (IS_25XX(isp)) {
3498                                 cpi->base_transfer_speed = 8000000;
3499                         } else if (IS_24XX(isp)) {
3500                                 cpi->base_transfer_speed = 4000000;
3501                         } else if (IS_23XX(isp)) {
3502                                 cpi->base_transfer_speed = 2000000;
3503                         } else {
3504                                 cpi->base_transfer_speed = 1000000;
3505                         }
3506                         cpi->hba_inquiry = PI_TAG_ABLE;
3507                         cpi->transport = XPORT_FC;
3508                         cpi->transport_version = 0;
3509                         cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
3510                         cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
3511                         cpi->xport_specific.fc.port = fcp->isp_portid;
3512                         cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
3513                 } else {
3514                         sdparam *sdp = SDPARAM(isp, bus);
3515                         cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3516                         cpi->hba_misc = PIM_UNMAPPED;
3517                         cpi->initiator_id = sdp->isp_initiator_id;
3518                         cpi->base_transfer_speed = 3300;
3519                         cpi->transport = XPORT_SPI;
3520                         cpi->transport_version = 2;
3521                 }
3522                 cpi->protocol = PROTO_SCSI;
3523                 cpi->protocol_version = SCSI_REV_2;
3524                 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
3525                 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
3526                 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
3527                 cpi->unit_number = cam_sim_unit(sim);
3528                 cpi->ccb_h.status = CAM_REQ_CMP;
3529                 xpt_done(ccb);
3530                 break;
3531         }
3532         default:
3533                 ccb->ccb_h.status = CAM_REQ_INVALID;
3534                 xpt_done(ccb);
3535                 break;
3536         }
3537 }
3538
3539 void
3540 isp_done(XS_T *sccb)
3541 {
3542         ispsoftc_t *isp = XS_ISP(sccb);
3543         uint32_t status;
3544
3545         if (XS_NOERR(sccb))
3546                 XS_SETERR(sccb, CAM_REQ_CMP);
3547
3548         if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
3549                 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
3550                 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
3551                         sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
3552                 } else {
3553                         sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
3554                 }
3555         }
3556
3557         sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
3558         status = sccb->ccb_h.status & CAM_STATUS_MASK;
3559         if (status != CAM_REQ_CMP &&
3560             (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
3561                 sccb->ccb_h.status |= CAM_DEV_QFRZN;
3562                 xpt_freeze_devq(sccb->ccb_h.path, 1);
3563         }
3564
3565         if (ISP_PCMD(sccb)) {
3566                 if (callout_active(&PISP_PCMD(sccb)->wdog))
3567                         callout_stop(&PISP_PCMD(sccb)->wdog);
3568                 isp_free_pcmd(isp, (union ccb *) sccb);
3569         }
3570         xpt_done((union ccb *) sccb);
3571 }
3572
3573 void
3574 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
3575 {
3576         int bus;
3577         static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s";
3578         char buf[64];
3579         char *msg = NULL;
3580         target_id_t tgt = 0;
3581         fcportdb_t *lp;
3582         struct isp_fc *fc;
3583         struct cam_path *tmppath;
3584         struct ac_contract ac;
3585         struct ac_device_changed *adc;
3586         va_list ap;
3587
3588         switch (cmd) {
3589         case ISPASYNC_NEW_TGT_PARAMS:
3590         {
3591                 struct ccb_trans_settings_scsi *scsi;
3592                 struct ccb_trans_settings_spi *spi;
3593                 int flags, tgt;
3594                 sdparam *sdp;
3595                 struct ccb_trans_settings cts;
3596
3597                 memset(&cts, 0, sizeof (struct ccb_trans_settings));
3598
3599                 va_start(ap, cmd);
3600                 bus = va_arg(ap, int);
3601                 tgt = va_arg(ap, int);
3602                 va_end(ap);
3603                 sdp = SDPARAM(isp, bus);
3604
3605                 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
3606                         isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
3607                         break;
3608                 }
3609                 flags = sdp->isp_devparam[tgt].actv_flags;
3610                 cts.type = CTS_TYPE_CURRENT_SETTINGS;
3611                 cts.protocol = PROTO_SCSI;
3612                 cts.transport = XPORT_SPI;
3613
3614                 scsi = &cts.proto_specific.scsi;
3615                 spi = &cts.xport_specific.spi;
3616
3617                 if (flags & DPARM_TQING) {
3618                         scsi->valid |= CTS_SCSI_VALID_TQ;
3619                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3620                 }
3621
3622                 if (flags & DPARM_DISC) {
3623                         spi->valid |= CTS_SPI_VALID_DISC;
3624                         spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3625                 }
3626                 spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
3627                 if (flags & DPARM_WIDE) {
3628                         spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3629                 } else {
3630                         spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3631                 }
3632                 if (flags & DPARM_SYNC) {
3633                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3634                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3635                         spi->sync_period = sdp->isp_devparam[tgt].actv_period;
3636                         spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
3637                 }
3638                 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);
3639                 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
3640                 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
3641                 xpt_free_path(tmppath);
3642                 break;
3643         }
3644         case ISPASYNC_BUS_RESET:
3645         {
3646                 va_start(ap, cmd);
3647                 bus = va_arg(ap, int);
3648                 va_end(ap);
3649                 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
3650                 if (IS_FC(isp)) {
3651                         xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
3652                 } else {
3653                         xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
3654                 }
3655                 break;
3656         }
3657         case ISPASYNC_LOOP_RESET:
3658         {
3659                 uint16_t lipp;
3660                 fcparam *fcp;
3661                 va_start(ap, cmd);
3662                 bus = va_arg(ap, int);
3663                 va_end(ap);
3664
3665                 lipp = ISP_READ(isp, OUTMAILBOX1);
3666                 fcp = FCPARAM(isp, bus);
3667
3668                 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp);
3669                 /*
3670                  * Per FCP-4, a Reset LIP should result in a CRN reset. Other
3671                  * LIPs and loop up/down events should never reset the CRN. For
3672                  * an as of yet unknown reason, 24xx series cards (and
3673                  * potentially others) can interrupt with a LIP Reset status
3674                  * when no LIP reset came down the wire. Additionally, the LIP
3675                  * primitive accompanying this status would not be a valid LIP
3676                  * Reset primitive, but some variation of an invalid AL_PA
3677                  * LIP. As a result, we have to verify the AL_PD in the LIP
3678                  * addresses our port before blindly resetting.
3679                 */
3680                 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF)))
3681                         isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0);
3682                 isp_loop_changed(isp, bus);
3683                 break;
3684         }
3685         case ISPASYNC_LIP:
3686                 if (msg == NULL)
3687                         msg = "LIP Received";
3688                 /* FALLTHROUGH */
3689         case ISPASYNC_LOOP_DOWN:
3690                 if (msg == NULL)
3691                         msg = "LOOP Down";
3692                 /* FALLTHROUGH */
3693         case ISPASYNC_LOOP_UP:
3694                 if (msg == NULL)
3695                         msg = "LOOP Up";
3696                 va_start(ap, cmd);
3697                 bus = va_arg(ap, int);
3698                 va_end(ap);
3699                 isp_loop_changed(isp, bus);
3700                 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
3701                 break;
3702         case ISPASYNC_DEV_ARRIVED:
3703                 va_start(ap, cmd);
3704                 bus = va_arg(ap, int);
3705                 lp = va_arg(ap, fcportdb_t *);
3706                 va_end(ap);
3707                 fc = ISP_FC_PC(isp, bus);
3708                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3709                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
3710                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived");
3711                 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
3712                     (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
3713                         lp->is_target = 1;
3714                         isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3715                         isp_make_here(isp, lp, bus, tgt);
3716                 }
3717                 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
3718                     (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) {
3719                         lp->is_initiator = 1;
3720                         ac.contract_number = AC_CONTRACT_DEV_CHG;
3721                         adc = (struct ac_device_changed *) ac.contract_data;
3722                         adc->wwpn = lp->port_wwn;
3723                         adc->port = lp->portid;
3724                         adc->target = tgt;
3725                         adc->arrived = 1;
3726                         xpt_async(AC_CONTRACT, fc->path, &ac);
3727                 }
3728                 break;
3729         case ISPASYNC_DEV_CHANGED:
3730         case ISPASYNC_DEV_STAYED:
3731                 va_start(ap, cmd);
3732                 bus = va_arg(ap, int);
3733                 lp = va_arg(ap, fcportdb_t *);
3734                 va_end(ap);
3735                 fc = ISP_FC_PC(isp, bus);
3736                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3737                 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3);
3738                 if (cmd == ISPASYNC_DEV_CHANGED)
3739                         isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed");
3740                 else
3741                         isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed");
3742
3743                 if (lp->is_target !=
3744                     ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
3745                      (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) {
3746                         lp->is_target = !lp->is_target;
3747                         if (lp->is_target) {
3748                                 if (cmd == ISPASYNC_DEV_CHANGED)
3749                                         isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3750                                 isp_make_here(isp, lp, bus, tgt);
3751                         } else {
3752                                 isp_make_gone(isp, lp, bus, tgt);
3753                                 if (cmd == ISPASYNC_DEV_CHANGED)
3754                                         isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3755                         }
3756                 }
3757                 if (lp->is_initiator !=
3758                     ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
3759                      (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) {
3760                         lp->is_initiator = !lp->is_initiator;
3761                         ac.contract_number = AC_CONTRACT_DEV_CHG;
3762                         adc = (struct ac_device_changed *) ac.contract_data;
3763                         adc->wwpn = lp->port_wwn;
3764                         adc->port = lp->portid;
3765                         adc->target = tgt;
3766                         adc->arrived = lp->is_initiator;
3767                         xpt_async(AC_CONTRACT, fc->path, &ac);
3768                 }
3769                 break;
3770         case ISPASYNC_DEV_GONE:
3771                 va_start(ap, cmd);
3772                 bus = va_arg(ap, int);
3773                 lp = va_arg(ap, fcportdb_t *);
3774                 va_end(ap);
3775                 fc = ISP_FC_PC(isp, bus);
3776                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3777                 /*
3778                  * If this has a virtual target or initiator set the isp_gdt
3779                  * timer running on it to delay its departure.
3780                  */
3781                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
3782                 if (lp->is_target || lp->is_initiator) {
3783                         lp->state = FC_PORTDB_STATE_ZOMBIE;
3784                         lp->gone_timer = fc->gone_device_time;
3785                         isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie");
3786                         if (fc->ready && !callout_active(&fc->gdt)) {
3787                                 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);
3788                                 callout_reset(&fc->gdt, hz, isp_gdt, fc);
3789                         }
3790                         break;
3791                 }
3792                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone");
3793                 break;
3794         case ISPASYNC_CHANGE_NOTIFY:
3795         {
3796                 char *msg;
3797                 int evt, nphdl, nlstate, portid, reason;
3798
3799                 va_start(ap, cmd);
3800                 bus = va_arg(ap, int);
3801                 evt = va_arg(ap, int);
3802                 if (evt == ISPASYNC_CHANGE_PDB) {
3803                         nphdl = va_arg(ap, int);
3804                         nlstate = va_arg(ap, int);
3805                         reason = va_arg(ap, int);
3806                 } else if (evt == ISPASYNC_CHANGE_SNS) {
3807                         portid = va_arg(ap, int);
3808                 } else {
3809                         nphdl = NIL_HANDLE;
3810                         nlstate = reason = 0;
3811                 }
3812                 va_end(ap);
3813
3814                 if (evt == ISPASYNC_CHANGE_PDB) {
3815                         int tgt_set = 0;
3816                         msg = "Port Database Changed";
3817                         isp_prt(isp, ISP_LOGINFO,
3818                             "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)",
3819                             bus, msg, nphdl, nlstate, reason);
3820                         /*
3821                          * Port database syncs are not sufficient for
3822                          * determining that logins or logouts are done on the
3823                          * loop, but this information is directly available from
3824                          * the reason code from the incoming mbox. We must reset
3825                          * the fcp crn on these events according to FCP-4
3826                          */
3827                         switch (reason) {
3828                         case PDB24XX_AE_IMPL_LOGO_1:
3829                         case PDB24XX_AE_IMPL_LOGO_2:
3830                         case PDB24XX_AE_IMPL_LOGO_3:
3831                         case PDB24XX_AE_PLOGI_RCVD:
3832                         case PDB24XX_AE_PRLI_RCVD:
3833                         case PDB24XX_AE_PRLO_RCVD:
3834                         case PDB24XX_AE_LOGO_RCVD:
3835                         case PDB24XX_AE_PLOGI_DONE:
3836                         case PDB24XX_AE_PRLI_DONE:
3837                                 /*
3838                                  * If the event is not global, twiddle tgt and
3839                                  * tgt_set to nominate only the target
3840                                  * associated with the nphdl.
3841                                  */
3842                                 if (nphdl != PDB24XX_AE_GLOBAL) {
3843                                         /* Break if we don't yet have the pdb */
3844                                         if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp))
3845                                                 break;
3846                                         tgt = FC_PORTDB_TGT(isp, bus, lp);
3847                                         tgt_set = 1;
3848                                 }
3849                                 isp_fcp_reset_crn(isp, bus, tgt, tgt_set);
3850                                 break;
3851                         default:
3852                                 break; /* NOP */
3853                         }
3854                 } else if (evt == ISPASYNC_CHANGE_SNS) {
3855                         msg = "Name Server Database Changed";
3856                         isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)",
3857                             bus, msg, portid);
3858                 } else {
3859                         msg = "Other Change Notify";
3860                         isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
3861                 }
3862                 isp_loop_changed(isp, bus);
3863                 break;
3864         }
3865 #ifdef  ISP_TARGET_MODE
3866         case ISPASYNC_TARGET_NOTIFY:
3867         {
3868                 isp_notify_t *notify;
3869                 va_start(ap, cmd);
3870                 notify = va_arg(ap, isp_notify_t *);
3871                 va_end(ap);
3872                 switch (notify->nt_ncode) {
3873                 case NT_ABORT_TASK:
3874                 case NT_ABORT_TASK_SET:
3875                 case NT_CLEAR_ACA:
3876                 case NT_CLEAR_TASK_SET:
3877                 case NT_LUN_RESET:
3878                 case NT_TARGET_RESET:
3879                 case NT_QUERY_TASK_SET:
3880                 case NT_QUERY_ASYNC_EVENT:
3881                         /*
3882                          * These are task management functions.
3883                          */
3884                         isp_handle_platform_target_tmf(isp, notify);
3885                         break;
3886                 case NT_BUS_RESET:
3887                 case NT_LIP_RESET:
3888                 case NT_LINK_UP:
3889                 case NT_LINK_DOWN:
3890                 case NT_HBA_RESET:
3891                         /*
3892                          * No action need be taken here.
3893                          */
3894                         break;
3895                 case NT_GLOBAL_LOGOUT:
3896                 case NT_LOGOUT:
3897                         /*
3898                          * This is device arrival/departure notification
3899                          */
3900                         isp_handle_platform_target_notify_ack(isp, notify, 0);
3901                         break;
3902                 case NT_SRR:
3903                         isp_handle_platform_srr(isp, notify);
3904                         break;
3905                 default:
3906                         isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
3907                         isp_handle_platform_target_notify_ack(isp, notify, 0);
3908                         break;
3909                 }
3910                 break;
3911         }
3912         case ISPASYNC_TARGET_NOTIFY_ACK:
3913         {
3914                 void *inot;
3915                 va_start(ap, cmd);
3916                 inot = va_arg(ap, void *);
3917                 va_end(ap);
3918                 if (isp_notify_ack(isp, inot)) {
3919                         isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
3920                         if (tp) {
3921                                 tp->isp = isp;
3922                                 memcpy(tp->data, inot, sizeof (tp->data));
3923                                 tp->not = tp->data;
3924                                 callout_init_mtx(&tp->timer, &isp->isp_lock, 0);
3925                                 callout_reset(&tp->timer, 5,
3926                                     isp_refire_notify_ack, tp);
3927                         } else {
3928                                 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
3929                         }
3930                 }
3931                 break;
3932         }
3933         case ISPASYNC_TARGET_ACTION:
3934         {
3935                 isphdr_t *hp;
3936
3937                 va_start(ap, cmd);
3938                 hp = va_arg(ap, isphdr_t *);
3939                 va_end(ap);
3940                 switch (hp->rqs_entry_type) {
3941                 case RQSTYPE_ATIO:
3942                         isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
3943                         break;
3944                 case RQSTYPE_ATIO2:
3945                         isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
3946                         break;
3947                 case RQSTYPE_CTIO7:
3948                 case RQSTYPE_CTIO3:
3949                 case RQSTYPE_CTIO2:
3950                 case RQSTYPE_CTIO:
3951                         isp_handle_platform_ctio(isp, hp);
3952                         break;
3953                 default:
3954                         isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x",
3955                             __func__, hp->rqs_entry_type);
3956                         break;
3957                 }
3958                 break;
3959         }
3960 #endif
3961         case ISPASYNC_FW_CRASH:
3962         {
3963                 uint16_t mbox1, mbox6;
3964                 mbox1 = ISP_READ(isp, OUTMAILBOX1);
3965                 if (IS_DUALBUS(isp)) {
3966                         mbox6 = ISP_READ(isp, OUTMAILBOX6);
3967                 } else {
3968                         mbox6 = 0;
3969                 }
3970                 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
3971 #if 0
3972                 mbox1 = isp->isp_osinfo.mbox_sleep_ok;
3973                 isp->isp_osinfo.mbox_sleep_ok = 0;
3974                 isp_reinit(isp, 1);
3975                 isp->isp_osinfo.mbox_sleep_ok = mbox1;
3976                 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
3977 #endif
3978                 break;
3979         }
3980         default:
3981                 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
3982                 break;
3983         }
3984 }
3985
3986 uint64_t
3987 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
3988 {
3989         uint64_t seed;
3990         struct isp_fc *fc = ISP_FC_PC(isp, chan);
3991
3992         /* First try to use explicitly configured WWNs. */
3993         seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
3994         if (seed)
3995                 return (seed);
3996
3997         /* Otherwise try to use WWNs from NVRAM. */
3998         if (isactive) {
3999                 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram :
4000                     FCPARAM(isp, chan)->isp_wwpn_nvram;
4001                 if (seed)
4002                         return (seed);
4003         }
4004
4005         /* If still no WWNs, try to steal them from the first channel. */
4006         if (chan > 0) {
4007                 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn :
4008                     ISP_FC_PC(isp, 0)->def_wwpn;
4009                 if (seed == 0) {
4010                         seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram :
4011                             FCPARAM(isp, 0)->isp_wwpn_nvram;
4012                 }
4013         }
4014
4015         /* If still nothing -- improvise. */
4016         if (seed == 0) {
4017                 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev);
4018                 if (!iswwnn)
4019                         seed ^= 0x0100000000000000ULL;
4020         }
4021
4022         /* For additional channels we have to improvise even more. */
4023         if (!iswwnn && chan > 0) {
4024                 /*
4025                  * We'll stick our channel number plus one first into bits
4026                  * 57..59 and thence into bits 52..55 which allows for 8 bits
4027                  * of channel which is enough for our maximum of 255 channels.
4028                  */
4029                 seed ^= 0x0100000000000000ULL;
4030                 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56;
4031                 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
4032         }
4033         return (seed);
4034 }
4035
4036 void
4037 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
4038 {
4039         int loc;
4040         char lbuf[200];
4041         va_list ap;
4042
4043         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4044                 return;
4045         }
4046         snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
4047         loc = strlen(lbuf);
4048         va_start(ap, fmt);
4049         vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
4050         va_end(ap);
4051         printf("%s\n", lbuf);
4052 }
4053
4054 void
4055 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
4056 {
4057         va_list ap;
4058         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4059                 return;
4060         }
4061         xpt_print_path(xs->ccb_h.path);
4062         va_start(ap, fmt);
4063         vprintf(fmt, ap);
4064         va_end(ap);
4065         printf("\n");
4066 }
4067
4068 uint64_t
4069 isp_nanotime_sub(struct timespec *b, struct timespec *a)
4070 {
4071         uint64_t elapsed;
4072         struct timespec x = *b;
4073         timespecsub(&x, a);
4074         elapsed = GET_NANOSEC(&x);
4075         if (elapsed == 0)
4076                 elapsed++;
4077         return (elapsed);
4078 }
4079
4080 int
4081 isp_mbox_acquire(ispsoftc_t *isp)
4082 {
4083         if (isp->isp_osinfo.mboxbsy) {
4084                 return (1);
4085         } else {
4086                 isp->isp_osinfo.mboxcmd_done = 0;
4087                 isp->isp_osinfo.mboxbsy = 1;
4088                 return (0);
4089         }
4090 }
4091
4092 void
4093 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
4094 {
4095         u_int t, to;
4096
4097         to = (mbp->timeout == 0) ? MBCMD_DEFAULT_TIMEOUT : mbp->timeout;
4098         if (isp->isp_osinfo.mbox_sleep_ok) {
4099                 isp->isp_osinfo.mbox_sleep_ok = 0;
4100                 isp->isp_osinfo.mbox_sleeping = 1;
4101                 msleep_sbt(&isp->isp_osinfo.mboxcmd_done, &isp->isp_lock,
4102                     PRIBIO, "ispmbx_sleep", to * SBT_1US, 0, 0);
4103                 isp->isp_osinfo.mbox_sleep_ok = 1;
4104                 isp->isp_osinfo.mbox_sleeping = 0;
4105         } else {
4106                 for (t = 0; t < to; t += 100) {
4107                         if (isp->isp_osinfo.mboxcmd_done)
4108                                 break;
4109                         ISP_RUN_ISR(isp);
4110                         if (isp->isp_osinfo.mboxcmd_done)
4111                                 break;
4112                         ISP_DELAY(100);
4113                 }
4114         }
4115         if (isp->isp_osinfo.mboxcmd_done == 0) {
4116                 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (%s:%d)",
4117                     isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled",
4118                     isp->isp_lastmbxcmd, to, mbp->func, mbp->lineno);
4119                 mbp->param[0] = MBOX_TIMEOUT;
4120                 isp->isp_osinfo.mboxcmd_done = 1;
4121         }
4122 }
4123
4124 void
4125 isp_mbox_notify_done(ispsoftc_t *isp)
4126 {
4127         isp->isp_osinfo.mboxcmd_done = 1;
4128         if (isp->isp_osinfo.mbox_sleeping)
4129                 wakeup(&isp->isp_osinfo.mboxcmd_done);
4130 }
4131
4132 void
4133 isp_mbox_release(ispsoftc_t *isp)
4134 {
4135         isp->isp_osinfo.mboxbsy = 0;
4136 }
4137
4138 int
4139 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
4140 {
4141         int ret = 0;
4142         if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
4143                 ret = -1;
4144         } else {
4145                 isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
4146         }
4147         return (ret);
4148 }
4149
4150 void
4151 isp_platform_intr(void *arg)
4152 {
4153         ispsoftc_t *isp = arg;
4154
4155         ISP_LOCK(isp);
4156         ISP_RUN_ISR(isp);
4157         ISP_UNLOCK(isp);
4158 }
4159
4160 void
4161 isp_platform_intr_resp(void *arg)
4162 {
4163         ispsoftc_t *isp = arg;
4164
4165         ISP_LOCK(isp);
4166         isp_intr_respq(isp);
4167         ISP_UNLOCK(isp);
4168
4169         /* We have handshake enabled, so explicitly complete interrupt */
4170         ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
4171 }
4172
4173 void
4174 isp_platform_intr_atio(void *arg)
4175 {
4176         ispsoftc_t *isp = arg;
4177
4178         ISP_LOCK(isp);
4179 #ifdef  ISP_TARGET_MODE
4180         isp_intr_atioq(isp);
4181 #endif
4182         ISP_UNLOCK(isp);
4183
4184         /* We have handshake enabled, so explicitly complete interrupt */
4185         ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
4186 }
4187
4188 void
4189 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
4190 {
4191         if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
4192                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
4193         } else {
4194                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
4195         }
4196         bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
4197 }
4198
4199 /*
4200  * Reset the command reference number for all LUNs on a specific target
4201  * (needed when a target arrives again) or for all targets on a port
4202  * (needed for events like a LIP).
4203  */
4204 void
4205 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set)
4206 {
4207         struct isp_fc *fc = ISP_FC_PC(isp, chan);
4208         struct isp_nexus *nxp;
4209         int i;
4210
4211         if (tgt_set == 0)
4212                 isp_prt(isp, ISP_LOGDEBUG0,
4213                     "Chan %d resetting CRN on all targets", chan);
4214         else
4215                 isp_prt(isp, ISP_LOGDEBUG0,
4216                     "Chan %d resetting CRN on target %u", chan, tgt);
4217
4218         for (i = 0; i < NEXUS_HASH_WIDTH; i++) {
4219                 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) {
4220                         if (tgt_set == 0 || tgt == nxp->tgt)
4221                                 nxp->crnseed = 0;
4222                 }
4223         }
4224 }
4225
4226 int
4227 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
4228 {
4229         lun_id_t lun;
4230         uint32_t chan, tgt;
4231         struct isp_fc *fc;
4232         struct isp_nexus *nxp;
4233         int idx;
4234
4235         if (IS_2100(isp))
4236                 return (0);
4237
4238         chan = XS_CHANNEL(cmd);
4239         tgt = XS_TGT(cmd);
4240         lun = XS_LUN(cmd);
4241         fc = &isp->isp_osinfo.pc.fc[chan];
4242         idx = NEXUS_HASH(tgt, lun);
4243         nxp = fc->nexus_hash[idx];
4244
4245         while (nxp) {
4246                 if (nxp->tgt == tgt && nxp->lun == lun)
4247                         break;
4248                 nxp = nxp->next;
4249         }
4250         if (nxp == NULL) {
4251                 nxp = fc->nexus_free_list;
4252                 if (nxp == NULL) {
4253                         nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
4254                         if (nxp == NULL) {
4255                                 return (-1);
4256                         }
4257                 } else {
4258                         fc->nexus_free_list = nxp->next;
4259                 }
4260                 nxp->tgt = tgt;
4261                 nxp->lun = lun;
4262                 nxp->next = fc->nexus_hash[idx];
4263                 fc->nexus_hash[idx] = nxp;
4264         }
4265         if (nxp->crnseed == 0)
4266                 nxp->crnseed = 1;
4267         *crnp = nxp->crnseed++;
4268         return (0);
4269 }
4270
4271 /*
4272  * We enter with the lock held
4273  */
4274 void
4275 isp_timer(void *arg)
4276 {
4277         ispsoftc_t *isp = arg;
4278 #ifdef  ISP_TARGET_MODE
4279         isp_tmcmd_restart(isp);
4280 #endif
4281         callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
4282 }
4283
4284 isp_ecmd_t *
4285 isp_get_ecmd(ispsoftc_t *isp)
4286 {
4287         isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
4288         if (ecmd) {
4289                 isp->isp_osinfo.ecmd_free = ecmd->next;
4290         }
4291         return (ecmd);
4292 }
4293
4294 void
4295 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
4296 {
4297         ecmd->next = isp->isp_osinfo.ecmd_free;
4298         isp->isp_osinfo.ecmd_free = ecmd;
4299 }