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         /*
 116          * Construct our SIM entry.
 117          */
 118         sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, device_get_unit(isp->isp_dev), &isp->isp_osinfo.lock, isp->isp_maxcmds, isp->isp_maxcmds, devq);
 119
 120         if (sim == NULL) {
 121                 return (ENOMEM);
 122         }
 123
 124         ISP_LOCK(isp);
 125         if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
 126                 ISP_UNLOCK(isp);
 127                 cam_sim_free(sim, FALSE);
 128                 return (EIO);
 129         }
 130         ISP_UNLOCK(isp);
 131         if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 132                 ISP_LOCK(isp);
 133                 xpt_bus_deregister(cam_sim_path(sim));
 134                 ISP_UNLOCK(isp);
 135                 cam_sim_free(sim, FALSE);
 136                 return (ENXIO);
 137         }
 138         xpt_setup_ccb(&csa.ccb_h, path, 5);
 139         csa.ccb_h.func_code = XPT_SASYNC_CB;
 140         csa.event_enable = AC_LOST_DEVICE;
 141         csa.callback = isp_cam_async;
 142         csa.callback_arg = sim;
 143
 144         ISP_LOCK(isp);
 145         xpt_action((union ccb *)&csa);
 146         ISP_UNLOCK(isp);
 147
 148         if (IS_SCSI(isp)) {
 149                 struct isp_spi *spi = ISP_SPI_PC(isp, chan);
 150                 spi->sim = sim;
 151                 spi->path = path;
 152 #ifdef  ISP_TARGET_MODE
 153                 TAILQ_INIT(&spi->waitq);
 154                 STAILQ_INIT(&spi->ntfree);
 155                 for (i = 0; i < ATPDPSIZE; i++)
 156                         STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next);
 157                 LIST_INIT(&spi->atfree);
 158                 for (i = ATPDPSIZE-1; i >= 0; i--)
 159                         LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next);
 160                 for (i = 0; i < ATPDPHASHSIZE; i++)
 161                         LIST_INIT(&spi->atused[i]);
 162 #endif
 163         } else {
 164                 fcparam *fcp = FCPARAM(isp, chan);
 165                 struct isp_fc *fc = ISP_FC_PC(isp, chan);
 166                 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
 167                 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
 168                 char name[16];
 169
 170                 ISP_LOCK(isp);
 171                 fc->sim = sim;
 172                 fc->path = path;
 173                 fc->isp = isp;
 174                 fc->ready = 1;
 175
 176                 callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0);
 177                 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
 178 #ifdef  ISP_TARGET_MODE
 179                 TAILQ_INIT(&fc->waitq);
 180                 STAILQ_INIT(&fc->ntfree);
 181                 for (i = 0; i < ATPDPSIZE; i++)
 182                         STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next);
 183                 LIST_INIT(&fc->atfree);
 184                 for (i = ATPDPSIZE-1; i >= 0; i--)
 185                         LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next);
 186                 for (i = 0; i < ATPDPHASHSIZE; i++)
 187                         LIST_INIT(&fc->atused[i]);
 188 #endif
 189                 isp_loop_changed(isp, chan);
 190                 ISP_UNLOCK(isp);
 191                 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0,
 192                     "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
 193                         xpt_free_path(fc->path);
 194                         ISP_LOCK(isp);
 195                         xpt_bus_deregister(cam_sim_path(fc->sim));
 196                         ISP_UNLOCK(isp);
 197                         cam_sim_free(fc->sim, FALSE);
 198                         return (ENOMEM);
 199                 }
 200                 fc->num_threads += 1;
 201                 if (chan > 0) {
 202                         snprintf(name, sizeof(name), "chan%d", chan);
 203                         tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree),
 204                             OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel");
 205                 }
 206                 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 207                     "wwnn", CTLFLAG_RD, &fcp->isp_wwnn,
 208                     "World Wide Node Name");
 209                 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 210                     "wwpn", CTLFLAG_RD, &fcp->isp_wwpn,
 211                     "World Wide Port Name");
 212                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 213                     "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0,
 214                     "Loop Down Limit");
 215                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 216                     "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0,
 217                     "Gone Device Time");
 218 #if defined(ISP_TARGET_MODE) && defined(DEBUG)
 219                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 220                     "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0,
 221                     "Cause a Lost Frame on a Read");
 222 #endif
 223                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 224                     "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan,
 225                     isp_role_sysctl, "I", "Current role");
 226                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 227                     "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0,
 228                     "Connection speed in gigabits");
 229                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 230                     "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0,
 231                     "Link state");
 232                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 233                     "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0,
 234                     "Firmware state");
 235                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 236                     "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0,
 237                     "Loop state");
 238                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 239                     "topo", CTLFLAG_RD, &fcp->isp_topo, 0,
 240                     "Connection topology");
 241         }
 242         return (0);
 243 }
 244
 245 static void
 246 isp_detach_chan(ispsoftc_t *isp, int chan)
 247 {
 248         struct cam_sim *sim;
 249         struct cam_path *path;
 250         struct ccb_setasync csa;
 251         int *num_threads;
 252
 253         ISP_GET_PC(isp, chan, sim, sim);
 254         ISP_GET_PC(isp, chan, path, path);
 255         ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads);
 256
 257         xpt_setup_ccb(&csa.ccb_h, path, 5);
 258         csa.ccb_h.func_code = XPT_SASYNC_CB;
 259         csa.event_enable = 0;
 260         csa.callback = isp_cam_async;
 261         csa.callback_arg = sim;
 262         xpt_action((union ccb *)&csa);
 263         xpt_free_path(path);
 264         xpt_bus_deregister(cam_sim_path(sim));
 265         cam_sim_free(sim, FALSE);
 266
 267         /* Wait for the channel's spawned threads to exit. */
 268         wakeup(isp->isp_osinfo.pc.ptr);
 269         while (*num_threads != 0)
 270                 mtx_sleep(isp, &isp->isp_osinfo.lock, PRIBIO, "isp_reap", 100);
 271 }
 272
 273 int
 274 isp_attach(ispsoftc_t *isp)
 275 {
 276         const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
 277         int du = device_get_unit(isp->isp_dev);
 278         int chan;
 279
 280         /*
 281          * Create the device queue for our SIM(s).
 282          */
 283         isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
 284         if (isp->isp_osinfo.devq == NULL) {
 285                 return (EIO);
 286         }
 287
 288         for (chan = 0; chan < isp->isp_nchan; chan++) {
 289                 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
 290                         goto unwind;
 291                 }
 292         }
 293
 294         callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0);
 295         isp_timer_count = hz >> 2;
 296         callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
 297         isp->isp_osinfo.timer_active = 1;
 298
 299         isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
 300         if (isp->isp_osinfo.cdev) {
 301                 isp->isp_osinfo.cdev->si_drv1 = isp;
 302         }
 303         return (0);
 304
 305 unwind:
 306         while (--chan >= 0) {
 307                 struct cam_sim *sim;
 308                 struct cam_path *path;
 309
 310                 ISP_GET_PC(isp, chan, sim, sim);
 311                 ISP_GET_PC(isp, chan, path, path);
 312                 xpt_free_path(path);
 313                 ISP_LOCK(isp);
 314                 xpt_bus_deregister(cam_sim_path(sim));
 315                 ISP_UNLOCK(isp);
 316                 cam_sim_free(sim, FALSE);
 317         }
 318         if (isp->isp_osinfo.cdev) {
 319                 destroy_dev(isp->isp_osinfo.cdev);
 320                 isp->isp_osinfo.cdev = NULL;
 321         }
 322         cam_simq_free(isp->isp_osinfo.devq);
 323         isp->isp_osinfo.devq = NULL;
 324         return (-1);
 325 }
 326
 327 int
 328 isp_detach(ispsoftc_t *isp)
 329 {
 330         struct cam_sim *sim;
 331         int chan;
 332
 333         ISP_LOCK(isp);
 334         for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
 335                 ISP_GET_PC(isp, chan, sim, sim);
 336                 if (sim->refcount > 2) {
 337                         ISP_UNLOCK(isp);
 338                         return (EBUSY);
 339                 }
 340         }
 341         /* Tell spawned threads that we're exiting. */
 342         isp->isp_osinfo.is_exiting = 1;
 343         if (isp->isp_osinfo.timer_active) {
 344                 callout_stop(&isp->isp_osinfo.tmo);
 345                 isp->isp_osinfo.timer_active = 0;
 346         }
 347         for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1)
 348                 isp_detach_chan(isp, chan);
 349         ISP_UNLOCK(isp);
 350
 351         if (isp->isp_osinfo.cdev) {
 352                 destroy_dev(isp->isp_osinfo.cdev);
 353                 isp->isp_osinfo.cdev = NULL;
 354         }
 355         if (isp->isp_osinfo.devq != NULL) {
 356                 cam_simq_free(isp->isp_osinfo.devq);
 357                 isp->isp_osinfo.devq = NULL;
 358         }
 359         return (0);
 360 }
 361
 362 static void
 363 isp_freeze_loopdown(ispsoftc_t *isp, int chan)
 364 {
 365         struct isp_fc *fc = ISP_FC_PC(isp, chan);
 366
 367         if (fc->sim == NULL)
 368                 return;
 369         if (fc->simqfrozen == 0) {
 370                 isp_prt(isp, ISP_LOGDEBUG0,
 371                     "Chan %d Freeze simq (loopdown)", chan);
 372                 fc->simqfrozen = SIMQFRZ_LOOPDOWN;
 373                 xpt_hold_boot();
 374                 xpt_freeze_simq(fc->sim, 1);
 375         } else {
 376                 isp_prt(isp, ISP_LOGDEBUG0,
 377                     "Chan %d Mark simq frozen (loopdown)", chan);
 378                 fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
 379         }
 380 }
 381
 382 static void
 383 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
 384 {
 385         struct isp_fc *fc = ISP_FC_PC(isp, chan);
 386
 387         if (fc->sim == NULL)
 388                 return;
 389         int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
 390         fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
 391         if (wasfrozen && fc->simqfrozen == 0) {
 392                 isp_prt(isp, ISP_LOGDEBUG0,
 393                     "Chan %d Release simq", chan);
 394                 xpt_release_simq(fc->sim, 1);
 395                 xpt_release_boot();
 396         }
 397 }
 398
 399 static int
 400 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
 401 {
 402         ispsoftc_t *isp;
 403         int nr, chan, retval = ENOTTY;
 404
 405         isp = dev->si_drv1;
 406
 407         switch (c) {
 408         case ISP_SDBLEV:
 409         {
 410                 int olddblev = isp->isp_dblev;
 411                 isp->isp_dblev = *(int *)addr;
 412                 *(int *)addr = olddblev;
 413                 retval = 0;
 414                 break;
 415         }
 416         case ISP_GETROLE:
 417                 chan = *(int *)addr;
 418                 if (chan < 0 || chan >= isp->isp_nchan) {
 419                         retval = -ENXIO;
 420                         break;
 421                 }
 422                 if (IS_FC(isp)) {
 423                         *(int *)addr = FCPARAM(isp, chan)->role;
 424                 } else {
 425                         *(int *)addr = ISP_ROLE_INITIATOR;
 426                 }
 427                 retval = 0;
 428                 break;
 429         case ISP_SETROLE:
 430                 if (IS_SCSI(isp))
 431                         break;
 432                 nr = *(int *)addr;
 433                 chan = nr >> 8;
 434                 if (chan < 0 || chan >= isp->isp_nchan) {
 435                         retval = -ENXIO;
 436                         break;
 437                 }
 438                 nr &= 0xff;
 439                 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
 440                         retval = EINVAL;
 441                         break;
 442                 }
 443                 ISP_LOCK(isp);
 444                 *(int *)addr = FCPARAM(isp, chan)->role;
 445                 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr);
 446                 ISP_UNLOCK(isp);
 447                 retval = 0;
 448                 break;
 449
 450         case ISP_RESETHBA:
 451                 ISP_LOCK(isp);
 452                 isp_reinit(isp, 0);
 453                 ISP_UNLOCK(isp);
 454                 retval = 0;
 455                 break;
 456
 457         case ISP_RESCAN:
 458                 if (IS_FC(isp)) {
 459                         chan = *(int *)addr;
 460                         if (chan < 0 || chan >= isp->isp_nchan) {
 461                                 retval = -ENXIO;
 462                                 break;
 463                         }
 464                         ISP_LOCK(isp);
 465                         if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) {
 466                                 retval = EIO;
 467                         } else {
 468                                 retval = 0;
 469                         }
 470                         ISP_UNLOCK(isp);
 471                 }
 472                 break;
 473
 474         case ISP_FC_LIP:
 475                 if (IS_FC(isp)) {
 476                         chan = *(int *)addr;
 477                         if (chan < 0 || chan >= isp->isp_nchan) {
 478                                 retval = -ENXIO;
 479                                 break;
 480                         }
 481                         ISP_LOCK(isp);
 482                         if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
 483                                 retval = EIO;
 484                         } else {
 485                                 retval = 0;
 486                         }
 487                         ISP_UNLOCK(isp);
 488                 }
 489                 break;
 490         case ISP_FC_GETDINFO:
 491         {
 492                 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
 493                 fcportdb_t *lp;
 494
 495                 if (IS_SCSI(isp)) {
 496                         break;
 497                 }
 498                 if (ifc->loopid >= MAX_FC_TARG) {
 499                         retval = EINVAL;
 500                         break;
 501                 }
 502                 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
 503                 if (lp->state != FC_PORTDB_STATE_NIL) {
 504                         ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
 505                         ifc->loopid = lp->handle;
 506                         ifc->portid = lp->portid;
 507                         ifc->node_wwn = lp->node_wwn;
 508                         ifc->port_wwn = lp->port_wwn;
 509                         retval = 0;
 510                 } else {
 511                         retval = ENODEV;
 512                 }
 513                 break;
 514         }
 515         case ISP_FC_GETHINFO:
 516         {
 517                 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
 518                 int chan = hba->fc_channel;
 519
 520                 if (chan < 0 || chan >= isp->isp_nchan) {
 521                         retval = ENXIO;
 522                         break;
 523                 }
 524                 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
 525                 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
 526                 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
 527                 hba->fc_nchannels = isp->isp_nchan;
 528                 if (IS_FC(isp)) {
 529                         hba->fc_nports = MAX_FC_TARG;
 530                         hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
 531                         hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
 532                         hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
 533                         hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
 534                         hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
 535                         hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
 536                         hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
 537                 } else {
 538                         hba->fc_nports = MAX_TARGETS;
 539                         hba->fc_speed = 0;
 540                         hba->fc_topology = 0;
 541                         hba->nvram_node_wwn = 0ull;
 542                         hba->nvram_port_wwn = 0ull;
 543                         hba->active_node_wwn = 0ull;
 544                         hba->active_port_wwn = 0ull;
 545                 }
 546                 retval = 0;
 547                 break;
 548         }
 549         case ISP_TSK_MGMT:
 550         {
 551                 int needmarker;
 552                 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
 553                 uint16_t nphdl;
 554                 mbreg_t mbs;
 555
 556                 if (IS_SCSI(isp)) {
 557                         break;
 558                 }
 559
 560                 chan = fct->chan;
 561                 if (chan < 0 || chan >= isp->isp_nchan) {
 562                         retval = -ENXIO;
 563                         break;
 564                 }
 565
 566                 needmarker = retval = 0;
 567                 nphdl = fct->loopid;
 568                 ISP_LOCK(isp);
 569                 if (IS_24XX(isp)) {
 570                         void *reqp;
 571                         uint8_t resp[QENTRY_LEN];
 572                         isp24xx_tmf_t tmf;
 573                         isp24xx_statusreq_t sp;
 574                         fcparam *fcp = FCPARAM(isp, chan);
 575                         fcportdb_t *lp;
 576                         int i;
 577
 578                         for (i = 0; i < MAX_FC_TARG; i++) {
 579                                 lp = &fcp->portdb[i];
 580                                 if (lp->handle == nphdl) {
 581                                         break;
 582                                 }
 583                         }
 584                         if (i == MAX_FC_TARG) {
 585                                 retval = ENXIO;
 586                                 ISP_UNLOCK(isp);
 587                                 break;
 588                         }
 589                         ISP_MEMZERO(&tmf, sizeof(tmf));
 590                         tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
 591                         tmf.tmf_header.rqs_entry_count = 1;
 592                         tmf.tmf_nphdl = lp->handle;
 593                         tmf.tmf_delay = 2;
 594                         tmf.tmf_timeout = 4;
 595                         tmf.tmf_tidlo = lp->portid;
 596                         tmf.tmf_tidhi = lp->portid >> 16;
 597                         tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan);
 598                         tmf.tmf_lun[1] = fct->lun & 0xff;
 599                         if (fct->lun >= 256) {
 600                                 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8);
 601                         }
 602                         switch (fct->action) {
 603                         case IPT_CLEAR_ACA:
 604                                 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA;
 605                                 break;
 606                         case IPT_TARGET_RESET:
 607                                 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET;
 608                                 needmarker = 1;
 609                                 break;
 610                         case IPT_LUN_RESET:
 611                                 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET;
 612                                 needmarker = 1;
 613                                 break;
 614                         case IPT_CLEAR_TASK_SET:
 615                                 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
 616                                 needmarker = 1;
 617                                 break;
 618                         case IPT_ABORT_TASK_SET:
 619                                 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
 620                                 needmarker = 1;
 621                                 break;
 622                         default:
 623                                 retval = EINVAL;
 624                                 break;
 625                         }
 626                         if (retval) {
 627                                 ISP_UNLOCK(isp);
 628                                 break;
 629                         }
 630
 631                         /* Prepare space for response in memory */
 632                         memset(resp, 0xff, sizeof(resp));
 633                         tmf.tmf_handle = isp_allocate_handle(isp, resp,
 634                             ISP_HANDLE_CTRL);
 635                         if (tmf.tmf_handle == 0) {
 636                                 isp_prt(isp, ISP_LOGERR,
 637                                     "%s: TMF of Chan %d out of handles",
 638                                     __func__, chan);
 639                                 ISP_UNLOCK(isp);
 640                                 retval = ENOMEM;
 641                                 break;
 642                         }
 643
 644                         /* Send request and wait for response. */
 645                         reqp = isp_getrqentry(isp);
 646                         if (reqp == NULL) {
 647                                 isp_prt(isp, ISP_LOGERR,
 648                                     "%s: TMF of Chan %d out of rqent",
 649                                     __func__, chan);
 650                                 isp_destroy_handle(isp, tmf.tmf_handle);
 651                                 ISP_UNLOCK(isp);
 652                                 retval = EIO;
 653                                 break;
 654                         }
 655                         isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp);
 656                         if (isp->isp_dblev & ISP_LOGDEBUG1)
 657                                 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp);
 658                         ISP_SYNC_REQUEST(isp);
 659                         if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) {
 660                                 isp_prt(isp, ISP_LOGERR,
 661                                     "%s: TMF of Chan %d timed out",
 662                                     __func__, chan);
 663                                 isp_destroy_handle(isp, tmf.tmf_handle);
 664                                 ISP_UNLOCK(isp);
 665                                 retval = EIO;
 666                                 break;
 667                         }
 668                         if (isp->isp_dblev & ISP_LOGDEBUG1)
 669                                 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp);
 670                         isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp);
 671
 672                         if (sp.req_completion_status != 0)
 673                                 retval = EIO;
 674                         else if (needmarker)
 675                                 fcp->sendmarker = 1;
 676                 } else {
 677                         MBSINIT(&mbs, 0, MBLOGALL, 0);
 678                         if (ISP_CAP_2KLOGIN(isp) == 0) {
 679                                 nphdl <<= 8;
 680                         }
 681                         switch (fct->action) {
 682                         case IPT_CLEAR_ACA:
 683                                 mbs.param[0] = MBOX_CLEAR_ACA;
 684                                 mbs.param[1] = nphdl;
 685                                 mbs.param[2] = fct->lun;
 686                                 break;
 687                         case IPT_TARGET_RESET:
 688                                 mbs.param[0] = MBOX_TARGET_RESET;
 689                                 mbs.param[1] = nphdl;
 690                                 needmarker = 1;
 691                                 break;
 692                         case IPT_LUN_RESET:
 693                                 mbs.param[0] = MBOX_LUN_RESET;
 694                                 mbs.param[1] = nphdl;
 695                                 mbs.param[2] = fct->lun;
 696                                 needmarker = 1;
 697                                 break;
 698                         case IPT_CLEAR_TASK_SET:
 699                                 mbs.param[0] = MBOX_CLEAR_TASK_SET;
 700                                 mbs.param[1] = nphdl;
 701                                 mbs.param[2] = fct->lun;
 702                                 needmarker = 1;
 703                                 break;
 704                         case IPT_ABORT_TASK_SET:
 705                                 mbs.param[0] = MBOX_ABORT_TASK_SET;
 706                                 mbs.param[1] = nphdl;
 707                                 mbs.param[2] = fct->lun;
 708                                 needmarker = 1;
 709                                 break;
 710                         default:
 711                                 retval = EINVAL;
 712                                 break;
 713                         }
 714                         if (retval == 0) {
 715                                 if (needmarker) {
 716                                         FCPARAM(isp, chan)->sendmarker = 1;
 717                                 }
 718                                 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
 719                                 if (retval) {
 720                                         retval = EIO;
 721                                 }
 722                         }
 723                 }
 724                 ISP_UNLOCK(isp);
 725                 break;
 726         }
 727         default:
 728                 break;
 729         }
 730         return (retval);
 731 }
 732
 733 /*
 734  * Local Inlines
 735  */
 736
 737 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
 738 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
 739
 740 static ISP_INLINE int
 741 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
 742 {
 743         ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
 744         if (ISP_PCMD(ccb) == NULL) {
 745                 return (-1);
 746         }
 747         isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
 748         return (0);
 749 }
 750
 751 static ISP_INLINE void
 752 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
 753 {
 754         if (ISP_PCMD(ccb)) {
 755 #ifdef  ISP_TARGET_MODE
 756                 PISP_PCMD(ccb)->datalen = 0;
 757                 PISP_PCMD(ccb)->totslen = 0;
 758                 PISP_PCMD(ccb)->cumslen = 0;
 759                 PISP_PCMD(ccb)->crn = 0;
 760 #endif
 761                 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
 762                 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
 763                 ISP_PCMD(ccb) = NULL;
 764         }
 765 }
 766
 767 /*
 768  * Put the target mode functions here, because some are inlines
 769  */
 770 #ifdef  ISP_TARGET_MODE
 771 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
 772 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t);
 773 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t);
 774 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *);
 775 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int);
 776 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t);
 777 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *);
 778 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
 779 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *);
 780 static void isp_enable_lun(ispsoftc_t *, union ccb *);
 781 static void isp_disable_lun(ispsoftc_t *, union ccb *);
 782 static timeout_t isp_refire_putback_atio;
 783 static timeout_t isp_refire_notify_ack;
 784 static void isp_complete_ctio(union ccb *);
 785 static void isp_target_putback_atio(union ccb *);
 786 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
 787 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
 788 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
 789 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
 790 static void isp_handle_platform_ctio(ispsoftc_t *, void *);
 791 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp);
 792 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
 793 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t);
 794
 795 static ISP_INLINE tstate_t *
 796 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
 797 {
 798         tstate_t *tptr = NULL;
 799         struct tslist *lhp;
 800
 801         if (bus < isp->isp_nchan) {
 802                 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
 803                 SLIST_FOREACH(tptr, lhp, next) {
 804                         if (tptr->ts_lun == lun)
 805                                 return (tptr);
 806                 }
 807         }
 808         return (NULL);
 809 }
 810
 811 static int
 812 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr)
 813 {
 814         inot_private_data_t *ntp;
 815         struct ntpdlist rq;
 816
 817         if (STAILQ_EMPTY(&tptr->restart_queue))
 818                 return (0);
 819         STAILQ_INIT(&rq);
 820         STAILQ_CONCAT(&rq, &tptr->restart_queue);
 821         while ((ntp = STAILQ_FIRST(&rq)) != NULL) {
 822                 STAILQ_REMOVE_HEAD(&rq, next);
 823                 if (IS_24XX(isp)) {
 824                         isp_prt(isp, ISP_LOGTDEBUG0,
 825                             "%s: restarting resrc deprived %x", __func__,
 826                             ((at7_entry_t *)ntp->data)->at_rxid);
 827                         isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data);
 828                 } else {
 829                         isp_prt(isp, ISP_LOGTDEBUG0,
 830                             "%s: restarting resrc deprived %x", __func__,
 831                             ((at2_entry_t *)ntp->data)->at_rxid);
 832                         isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data);
 833                 }
 834                 isp_put_ntpd(isp, bus, ntp);
 835                 if (!STAILQ_EMPTY(&tptr->restart_queue))
 836                         break;
 837         }
 838         if (!STAILQ_EMPTY(&rq)) {
 839                 STAILQ_CONCAT(&rq, &tptr->restart_queue);
 840                 STAILQ_CONCAT(&tptr->restart_queue, &rq);
 841         }
 842         return (!STAILQ_EMPTY(&tptr->restart_queue));
 843 }
 844
 845 static void
 846 isp_tmcmd_restart(ispsoftc_t *isp)
 847 {
 848         tstate_t *tptr;
 849         union ccb *ccb;
 850         struct tslist *lhp;
 851         struct isp_ccbq *waitq;
 852         int bus, i;
 853
 854         for (bus = 0; bus < isp->isp_nchan; bus++) {
 855                 for (i = 0; i < LUN_HASH_SIZE; i++) {
 856                         ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
 857                         SLIST_FOREACH(tptr, lhp, next)
 858                                 isp_atio_restart(isp, bus, tptr);
 859                 }
 860
 861                 /*
 862                  * We only need to do this once per channel.
 863                  */
 864                 ISP_GET_PC_ADDR(isp, bus, waitq, waitq);
 865                 ccb = (union ccb *)TAILQ_FIRST(waitq);
 866                 if (ccb != NULL) {
 867                         TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe);
 868                         isp_target_start_ctio(isp, ccb, FROM_TIMER);
 869                 }
 870         }
 871 }
 872
 873 static atio_private_data_t *
 874 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
 875 {
 876         struct atpdlist *atfree;
 877         struct atpdlist *atused;
 878         atio_private_data_t *atp;
 879
 880         ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
 881         atp = LIST_FIRST(atfree);
 882         if (atp) {
 883                 LIST_REMOVE(atp, next);
 884                 atp->tag = tag;
 885                 ISP_GET_PC(isp, chan, atused, atused);
 886                 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next);
 887         }
 888         return (atp);
 889 }
 890
 891 static atio_private_data_t *
 892 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
 893 {
 894         struct atpdlist *atused;
 895         atio_private_data_t *atp;
 896
 897         ISP_GET_PC(isp, chan, atused, atused);
 898         LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) {
 899                 if (atp->tag == tag)
 900                         return (atp);
 901         }
 902         return (NULL);
 903 }
 904
 905 static void
 906 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp)
 907 {
 908         struct atpdlist *atfree;
 909
 910         if (atp->ests) {
 911                 isp_put_ecmd(isp, atp->ests);
 912         }
 913         LIST_REMOVE(atp, next);
 914         memset(atp, 0, sizeof (*atp));
 915         ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
 916         LIST_INSERT_HEAD(atfree, atp, next);
 917 }
 918
 919 static void
 920 isp_dump_atpd(ispsoftc_t *isp, int chan)
 921 {
 922         atio_private_data_t *atp, *atpool;
 923         const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
 924
 925         ISP_GET_PC(isp, chan, atpool, atpool);
 926         for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
 927                 if (atp->state == ATPD_STATE_FREE)
 928                         continue;
 929                 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",
 930                     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]);
 931         }
 932 }
 933
 934 static inot_private_data_t *
 935 isp_get_ntpd(ispsoftc_t *isp, int chan)
 936 {
 937         struct ntpdlist *ntfree;
 938         inot_private_data_t *ntp;
 939
 940         ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
 941         ntp = STAILQ_FIRST(ntfree);
 942         if (ntp)
 943                 STAILQ_REMOVE_HEAD(ntfree, next);
 944         return (ntp);
 945 }
 946
 947 static inot_private_data_t *
 948 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id)
 949 {
 950         inot_private_data_t *ntp, *ntp2;
 951
 952         ISP_GET_PC(isp, chan, ntpool, ntp);
 953         ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2);
 954         for (; ntp < ntp2; ntp++) {
 955                 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id)
 956                         return (ntp);
 957         }
 958         return (NULL);
 959 }
 960
 961 static void
 962 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp)
 963 {
 964         struct ntpdlist *ntfree;
 965
 966         ntp->tag_id = ntp->seq_id = 0;
 967         ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
 968         STAILQ_INSERT_HEAD(ntfree, ntp, next);
 969 }
 970
 971 static cam_status
 972 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
 973 {
 974         lun_id_t lun;
 975         struct tslist *lhp;
 976         tstate_t *tptr;
 977
 978         lun = xpt_path_lun_id(path);
 979         if (lun != CAM_LUN_WILDCARD) {
 980                 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) {
 981                         return (CAM_LUN_INVALID);
 982                 }
 983         }
 984         tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
 985         if (tptr == NULL) {
 986                 return (CAM_RESRC_UNAVAIL);
 987         }
 988         tptr->ts_lun = lun;
 989         SLIST_INIT(&tptr->atios);
 990         SLIST_INIT(&tptr->inots);
 991         ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
 992         SLIST_INSERT_HEAD(lhp, tptr, next);
 993         *rslt = tptr;
 994         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
 995         return (CAM_REQ_CMP);
 996 }
 997
 998 static void
 999 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr)
1000 {
1001         union ccb *ccb;
1002         struct tslist *lhp;
1003         inot_private_data_t *ntp;
1004
1005         while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) {
1006                 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1007                 ccb->ccb_h.status = CAM_REQ_ABORTED;
1008                 xpt_done(ccb);
1009         };
1010         while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) {
1011                 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
1012                 ccb->ccb_h.status = CAM_REQ_ABORTED;
1013                 xpt_done(ccb);
1014         }
1015         while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) {
1016                 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0);
1017                 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next);
1018                 isp_put_ntpd(isp, bus, ntp);
1019         }
1020         ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp);
1021         SLIST_REMOVE(lhp, tptr, tstate, next);
1022         free(tptr, M_DEVBUF);
1023 }
1024
1025 static void
1026 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1027 {
1028         tstate_t *tptr;
1029         int bus;
1030         target_id_t target;
1031         lun_id_t lun;
1032
1033         if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) {
1034                 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n");
1035                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1036                 xpt_done(ccb);
1037                 return;
1038         }
1039
1040         /*
1041          * We only support either target and lun both wildcard
1042          * or target and lun both non-wildcard.
1043          */
1044         bus = XS_CHANNEL(ccb);
1045         target = ccb->ccb_h.target_id;
1046         lun = ccb->ccb_h.target_lun;
1047         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1048             "enabling lun %jx\n", (uintmax_t)lun);
1049         if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1050                 ccb->ccb_h.status = CAM_LUN_INVALID;
1051                 xpt_done(ccb);
1052                 return;
1053         }
1054
1055         /* Create the state pointer. It should not already exist. */
1056         tptr = get_lun_statep(isp, bus, lun);
1057         if (tptr) {
1058                 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1059                 xpt_done(ccb);
1060                 return;
1061         }
1062         ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1063         if (ccb->ccb_h.status != CAM_REQ_CMP) {
1064                 xpt_done(ccb);
1065                 return;
1066         }
1067
1068         ccb->ccb_h.status = CAM_REQ_CMP;
1069         xpt_done(ccb);
1070 }
1071
1072 static void
1073 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1074 {
1075         tstate_t *tptr = NULL;
1076         int bus;
1077         target_id_t target;
1078         lun_id_t lun;
1079
1080         bus = XS_CHANNEL(ccb);
1081         target = ccb->ccb_h.target_id;
1082         lun = ccb->ccb_h.target_lun;
1083         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1084             "disabling lun %jx\n", (uintmax_t)lun);
1085         if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1086                 ccb->ccb_h.status = CAM_LUN_INVALID;
1087                 xpt_done(ccb);
1088                 return;
1089         }
1090
1091         /* Find the state pointer. */
1092         if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1093                 ccb->ccb_h.status = CAM_PATH_INVALID;
1094                 xpt_done(ccb);
1095                 return;
1096         }
1097
1098         destroy_lun_state(isp, bus, tptr);
1099         ccb->ccb_h.status = CAM_REQ_CMP;
1100         xpt_done(ccb);
1101 }
1102
1103 static void
1104 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1105 {
1106         int fctape, sendstatus, resid;
1107         fcparam *fcp;
1108         atio_private_data_t *atp;
1109         struct ccb_scsiio *cso;
1110         struct isp_ccbq *waitq;
1111         uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1112         uint8_t local[QENTRY_LEN];
1113
1114         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,
1115             (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1116
1117         ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq);
1118         switch (how) {
1119         case FROM_CAM:
1120                 /*
1121                  * Insert at the tail of the list, if any, waiting CTIO CCBs
1122                  */
1123                 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, periph_links.tqe);
1124                 break;
1125         case FROM_TIMER:
1126         case FROM_SRR:
1127         case FROM_CTIO_DONE:
1128                 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1129                 break;
1130         }
1131
1132         while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) {
1133                 TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe);
1134
1135                 cso = &ccb->csio;
1136                 xfrlen = cso->dxfer_len;
1137                 if (xfrlen == 0) {
1138                         if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1139                                 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1140                                 ccb->ccb_h.status = CAM_REQ_INVALID;
1141                                 xpt_done(ccb);
1142                                 continue;
1143                         }
1144                 }
1145
1146                 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id);
1147                 if (atp == NULL) {
1148                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1149                         isp_dump_atpd(isp, XS_CHANNEL(ccb));
1150                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1151                         xpt_done(ccb);
1152                         continue;
1153                 }
1154
1155                 /*
1156                  * Is this command a dead duck?
1157                  */
1158                 if (atp->dead) {
1159                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1160                         ccb->ccb_h.status = CAM_REQ_ABORTED;
1161                         xpt_done(ccb);
1162                         continue;
1163                 }
1164
1165                 /*
1166                  * Check to make sure we're still in target mode.
1167                  */
1168                 fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1169                 if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1170                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1171                         ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1172                         xpt_done(ccb);
1173                         continue;
1174                 }
1175
1176                 /*
1177                  * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1178                  * could be split into two CTIOs to split data and status).
1179                  */
1180                 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1181                         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);
1182                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1183                         break;
1184                 }
1185
1186                 /*
1187                  * Does the initiator expect FC-Tape style responses?
1188                  */
1189                 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1190                         fctape = 1;
1191                 } else {
1192                         fctape = 0;
1193                 }
1194
1195                 /*
1196                  * If we already did the data xfer portion of a CTIO that sends data
1197                  * and status, don't do it again and do the status portion now.
1198                  */
1199                 if (atp->sendst) {
1200                         isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1201                             cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1202                         xfrlen = 0;     /* we already did the data transfer */
1203                         atp->sendst = 0;
1204                 }
1205                 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1206                         sendstatus = 1;
1207                 } else {
1208                         sendstatus = 0;
1209                 }
1210
1211                 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1212                         KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1213                         /*
1214                          * Sense length is not the entire sense data structure size. Periph
1215                          * drivers don't seem to be setting sense_len to reflect the actual
1216                          * size. We'll peek inside to get the right amount.
1217                          */
1218                         sense_length = cso->sense_len;
1219
1220                         /*
1221                          * This 'cannot' happen
1222                          */
1223                         if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1224                                 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1225                         }
1226                 } else {
1227                         sense_length = 0;
1228                 }
1229
1230                 memset(local, 0, QENTRY_LEN);
1231
1232                 /*
1233                  * Check for overflow
1234                  */
1235                 tmp = atp->bytes_xfered + atp->bytes_in_transit;
1236                 if (xfrlen > 0 && tmp > atp->orig_datalen) {
1237                         isp_prt(isp, ISP_LOGERR,
1238                             "%s: [0x%x] data overflow by %u bytes", __func__,
1239                             cso->tag_id, tmp + xfrlen - atp->orig_datalen);
1240                         ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1241                         xpt_done(ccb);
1242                         continue;
1243                 }
1244                 if (xfrlen > atp->orig_datalen - tmp) {
1245                         xfrlen = atp->orig_datalen - tmp;
1246                         if (xfrlen == 0 && !sendstatus) {
1247                                 cso->resid = cso->dxfer_len;
1248                                 ccb->ccb_h.status = CAM_REQ_CMP;
1249                                 xpt_done(ccb);
1250                                 continue;
1251                         }
1252                 }
1253
1254                 if (IS_24XX(isp)) {
1255                         ct7_entry_t *cto = (ct7_entry_t *) local;
1256
1257                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1258                         cto->ct_header.rqs_entry_count = 1;
1259                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1260                         ATPD_SET_SEQNO(cto, atp);
1261                         cto->ct_nphdl = atp->nphdl;
1262                         cto->ct_rxid = atp->tag;
1263                         cto->ct_iid_lo = atp->sid;
1264                         cto->ct_iid_hi = atp->sid >> 16;
1265                         cto->ct_oxid = atp->oxid;
1266                         cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1267                         cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000;
1268                         cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1269
1270                         /*
1271                          * Mode 1, status, no data. Only possible when we are sending status, have
1272                          * no data to transfer, and any sense data can fit into a ct7_entry_t.
1273                          *
1274                          * Mode 2, status, no data. We have to use this in the case that
1275                          * the sense data won't fit into a ct7_entry_t.
1276                          *
1277                          */
1278                         if (sendstatus && xfrlen == 0) {
1279                                 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1280                                 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1281                                 if (sense_length <= MAXRESPLEN_24XX) {
1282                                         cto->ct_flags |= CT7_FLAG_MODE1;
1283                                         cto->ct_scsi_status = cso->scsi_status;
1284                                         if (resid < 0) {
1285                                                 cto->ct_resid = -resid;
1286                                                 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1287                                         } else if (resid > 0) {
1288                                                 cto->ct_resid = resid;
1289                                                 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1290                                         }
1291                                         if (fctape) {
1292                                                 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1293                                         }
1294                                         if (sense_length) {
1295                                                 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1296                                                 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1297                                                 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1298                                         }
1299                                 } else {
1300                                         bus_addr_t addr;
1301                                         char buf[XCMD_SIZE];
1302                                         fcp_rsp_iu_t *rp;
1303
1304                                         if (atp->ests == NULL) {
1305                                                 atp->ests = isp_get_ecmd(isp);
1306                                                 if (atp->ests == NULL) {
1307                                                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1308                                                         break;
1309                                                 }
1310                                         }
1311                                         memset(buf, 0, sizeof (buf));
1312                                         rp = (fcp_rsp_iu_t *)buf;
1313                                         if (fctape) {
1314                                                 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1315                                                 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1316                                         }
1317                                         cto->ct_flags |= CT7_FLAG_MODE2;
1318                                         rp->fcp_rsp_scsi_status = cso->scsi_status;
1319                                         if (resid < 0) {
1320                                                 rp->fcp_rsp_resid = -resid;
1321                                                 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1322                                         } else if (resid > 0) {
1323                                                 rp->fcp_rsp_resid = resid;
1324                                                 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1325                                         }
1326                                         if (sense_length) {
1327                                                 rp->fcp_rsp_snslen = sense_length;
1328                                                 cto->ct_senselen = sense_length;
1329                                                 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1330                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1331                                                 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1332                                         } else {
1333                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1334                                         }
1335                                         if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1336                                                 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1337                                         }
1338                                         addr = isp->isp_osinfo.ecmd_dma;
1339                                         addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1340                                         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,
1341                                             (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1342                                         cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1343                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1344                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1345                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1346                                 }
1347                                 if (sense_length) {
1348                                         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__,
1349                                             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,
1350                                             cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1351                                 } else {
1352                                         isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1353                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1354                                 }
1355                                 atp->state = ATPD_STATE_LAST_CTIO;
1356                         }
1357
1358                         /*
1359                          * Mode 0 data transfers, *possibly* with status.
1360                          */
1361                         if (xfrlen != 0) {
1362                                 cto->ct_flags |= CT7_FLAG_MODE0;
1363                                 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1364                                         cto->ct_flags |= CT7_DATA_IN;
1365                                 } else {
1366                                         cto->ct_flags |= CT7_DATA_OUT;
1367                                 }
1368
1369                                 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1370                                 cto->rsp.m0.ct_xfrlen = xfrlen;
1371
1372 #ifdef  DEBUG
1373                                 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1374                                         isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1375                                         ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1376                                         cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1377                                 }
1378 #endif
1379                                 if (sendstatus) {
1380                                         resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1381                                         if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1382                                                 cto->ct_flags |= CT7_SENDSTATUS;
1383                                                 atp->state = ATPD_STATE_LAST_CTIO;
1384                                                 if (fctape) {
1385                                                         cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1386                                                 }
1387                                         } else {
1388                                                 atp->sendst = 1;        /* send status later */
1389                                                 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1390                                                 atp->state = ATPD_STATE_CTIO;
1391                                         }
1392                                 } else {
1393                                         atp->state = ATPD_STATE_CTIO;
1394                                 }
1395                                 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__,
1396                                     cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1397                         }
1398                 } else {
1399                         ct2_entry_t *cto = (ct2_entry_t *) local;
1400
1401                         if (isp->isp_osinfo.sixtyfourbit)
1402                                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3;
1403                         else
1404                                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1405                         cto->ct_header.rqs_entry_count = 1;
1406                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1407                         ATPD_SET_SEQNO(cto, atp);
1408                         if (ISP_CAP_2KLOGIN(isp)) {
1409                                 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl;
1410                         } else {
1411                                 cto->ct_iid = atp->nphdl;
1412                                 if (ISP_CAP_SCCFW(isp) == 0) {
1413                                         cto->ct_lun = ccb->ccb_h.target_lun;
1414                                 }
1415                         }
1416                         cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000;
1417                         cto->ct_rxid = cso->tag_id;
1418
1419                         /*
1420                          * Mode 1, status, no data. Only possible when we are sending status, have
1421                          * no data to transfer, and the sense length can fit in the ct7_entry.
1422                          *
1423                          * Mode 2, status, no data. We have to use this in the case the response
1424                          * length won't fit into a ct2_entry_t.
1425                          *
1426                          * We'll fill out this structure with information as if this were a
1427                          * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1428                          * needed based upon this.
1429                          */
1430                         if (sendstatus && xfrlen == 0) {
1431                                 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1432                                 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1433                                 if (sense_length <= MAXRESPLEN) {
1434                                         if (resid < 0) {
1435                                                 cto->ct_resid = -resid;
1436                                         } else if (resid > 0) {
1437                                                 cto->ct_resid = resid;
1438                                         }
1439                                         cto->ct_flags |= CT2_FLAG_MODE1;
1440                                         cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1441                                         if (resid < 0) {
1442                                                 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1443                                         } else if (resid > 0) {
1444                                                 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1445                                         }
1446                                         if (fctape) {
1447                                                 cto->ct_flags |= CT2_CONFIRM;
1448                                         }
1449                                         if (sense_length) {
1450                                                 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1451                                                 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1452                                                 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1453                                         }
1454                                 } else {
1455                                         bus_addr_t addr;
1456                                         char buf[XCMD_SIZE];
1457                                         fcp_rsp_iu_t *rp;
1458
1459                                         if (atp->ests == NULL) {
1460                                                 atp->ests = isp_get_ecmd(isp);
1461                                                 if (atp->ests == NULL) {
1462                                                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1463                                                         break;
1464                                                 }
1465                                         }
1466                                         memset(buf, 0, sizeof (buf));
1467                                         rp = (fcp_rsp_iu_t *)buf;
1468                                         if (fctape) {
1469                                                 cto->ct_flags |= CT2_CONFIRM;
1470                                                 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1471                                         }
1472                                         cto->ct_flags |= CT2_FLAG_MODE2;
1473                                         rp->fcp_rsp_scsi_status = cso->scsi_status;
1474                                         if (resid < 0) {
1475                                                 rp->fcp_rsp_resid = -resid;
1476                                                 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1477                                         } else if (resid > 0) {
1478                                                 rp->fcp_rsp_resid = resid;
1479                                                 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1480                                         }
1481                                         if (sense_length) {
1482                                                 rp->fcp_rsp_snslen = sense_length;
1483                                                 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1484                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1485                                                 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1486                                         } else {
1487                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1488                                         }
1489                                         if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1490                                                 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1491                                         }
1492                                         addr = isp->isp_osinfo.ecmd_dma;
1493                                         addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1494                                         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,
1495                                             (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1496                                         cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1497                                         if (cto->ct_header.rqs_entry_type == RQSTYPE_CTIO3) {
1498                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr);
1499                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr);
1500                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1501                                         } else {
1502                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1503                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1504                                         }
1505                                 }
1506                                 if (sense_length) {
1507                                         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__,
1508                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1509                                             cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1510                                 } else {
1511                                         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,
1512                                             ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1513                                 }
1514                                 atp->state = ATPD_STATE_LAST_CTIO;
1515                         }
1516
1517                         if (xfrlen != 0) {
1518                                 cto->ct_flags |= CT2_FLAG_MODE0;
1519                                 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1520                                         cto->ct_flags |= CT2_DATA_IN;
1521                                 } else {
1522                                         cto->ct_flags |= CT2_DATA_OUT;
1523                                 }
1524
1525                                 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
1526                                 cto->rsp.m0.ct_xfrlen = xfrlen;
1527
1528                                 if (sendstatus) {
1529                                         resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1530                                         if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
1531                                                 cto->ct_flags |= CT2_SENDSTATUS;
1532                                                 atp->state = ATPD_STATE_LAST_CTIO;
1533                                                 if (fctape) {
1534                                                         cto->ct_flags |= CT2_CONFIRM;
1535                                                 }
1536                                         } else {
1537                                                 atp->sendst = 1;        /* send status later */
1538                                                 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1539                                                 atp->state = ATPD_STATE_CTIO;
1540                                         }
1541                                 } else {
1542                                         atp->state = ATPD_STATE_CTIO;
1543                                 }
1544                         }
1545                         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,
1546                             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);
1547                 }
1548
1549                 if (isp_get_pcmd(isp, ccb)) {
1550                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
1551                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1552                         break;
1553                 }
1554                 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET);
1555                 if (handle == 0) {
1556                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
1557                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1558                         isp_free_pcmd(isp, ccb);
1559                         break;
1560                 }
1561                 atp->bytes_in_transit += xfrlen;
1562                 PISP_PCMD(ccb)->datalen = xfrlen;
1563
1564
1565                 /*
1566                  * Call the dma setup routines for this entry (and any subsequent
1567                  * CTIOs) if there's data to move, and then tell the f/w it's got
1568                  * new things to play with. As with isp_start's usage of DMA setup,
1569                  * any swizzling is done in the machine dependent layer. Because
1570                  * of this, we put the request onto the queue area first in native
1571                  * format.
1572                  */
1573
1574                 if (IS_24XX(isp)) {
1575                         ct7_entry_t *cto = (ct7_entry_t *) local;
1576                         cto->ct_syshandle = handle;
1577                 } else {
1578                         ct2_entry_t *cto = (ct2_entry_t *) local;
1579                         cto->ct_syshandle = handle;
1580                 }
1581
1582                 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
1583                 if (dmaresult != CMD_QUEUED) {
1584                         isp_destroy_handle(isp, handle);
1585                         isp_free_pcmd(isp, ccb);
1586                         if (dmaresult == CMD_EAGAIN) {
1587                                 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1588                                 break;
1589                         }
1590                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1591                         xpt_done(ccb);
1592                         continue;
1593                 }
1594                 isp->isp_nactive++;
1595                 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
1596                 if (xfrlen) {
1597                         ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
1598                 } else {
1599                         ccb->ccb_h.spriv_field0 = ~0;
1600                 }
1601                 atp->ctcnt++;
1602                 atp->seqno++;
1603         }
1604 }
1605
1606 static void
1607 isp_refire_putback_atio(void *arg)
1608 {
1609         union ccb *ccb = arg;
1610
1611         ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb));
1612         isp_target_putback_atio(ccb);
1613 }
1614
1615 static void
1616 isp_refire_notify_ack(void *arg)
1617 {
1618         isp_tna_t *tp  = arg;
1619         ispsoftc_t *isp = tp->isp;
1620
1621         ISP_ASSERT_LOCKED(isp);
1622         if (isp_notify_ack(isp, tp->not)) {
1623                 callout_schedule(&tp->timer, 5);
1624         } else {
1625                 free(tp, M_DEVBUF);
1626         }
1627 }
1628
1629
1630 static void
1631 isp_target_putback_atio(union ccb *ccb)
1632 {
1633         ispsoftc_t *isp = XS_ISP(ccb);
1634         struct ccb_scsiio *cso = &ccb->csio;
1635         at2_entry_t local, *at = &local;
1636
1637         ISP_MEMZERO(at, sizeof (at2_entry_t));
1638         at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1639         at->at_header.rqs_entry_count = 1;
1640         if (ISP_CAP_SCCFW(isp)) {
1641                 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1642         } else {
1643                 at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1644         }
1645         at->at_status = CT_OK;
1646         at->at_rxid = cso->tag_id;
1647         at->at_iid = cso->ccb_h.target_id;
1648         if (isp_target_put_entry(isp, at)) {
1649                 callout_reset(&PISP_PCMD(ccb)->wdog, 10,
1650                     isp_refire_putback_atio, ccb);
1651         } else
1652                 isp_complete_ctio(ccb);
1653 }
1654
1655 static void
1656 isp_complete_ctio(union ccb *ccb)
1657 {
1658         if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1659                 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1660                 xpt_done(ccb);
1661         }
1662 }
1663
1664 static void
1665 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1666 {
1667         fcparam *fcp;
1668         lun_id_t lun;
1669         fcportdb_t *lp;
1670         tstate_t *tptr;
1671         struct ccb_accept_tio *atiop;
1672         uint16_t nphdl;
1673         atio_private_data_t *atp;
1674         inot_private_data_t *ntp;
1675
1676         /*
1677          * The firmware status (except for the QLTM_SVALID bit)
1678          * indicates why this ATIO was sent to us.
1679          *
1680          * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1681          */
1682         if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1683                 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
1684                 isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0);
1685                 return;
1686         }
1687
1688         fcp = FCPARAM(isp, 0);
1689         if (ISP_CAP_SCCFW(isp)) {
1690                 lun = aep->at_scclun;
1691         } else {
1692                 lun = aep->at_lun;
1693         }
1694         if (ISP_CAP_2KLOGIN(isp)) {
1695                 nphdl = ((at2e_entry_t *)aep)->at_iid;
1696         } else {
1697                 nphdl = aep->at_iid;
1698         }
1699         tptr = get_lun_statep(isp, 0, lun);
1700         if (tptr == NULL) {
1701                 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1702                 if (tptr == NULL) {
1703                         isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun);
1704                         if (lun == 0) {
1705                                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1706                         } else {
1707                                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1708                         }
1709                         return;
1710                 }
1711         }
1712
1713         /*
1714          * Start any commands pending resources first.
1715          */
1716         if (isp_atio_restart(isp, 0, tptr))
1717                 goto noresrc;
1718
1719         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1720         if (atiop == NULL) {
1721                 goto noresrc;
1722         }
1723
1724         atp = isp_get_atpd(isp, 0, aep->at_rxid);
1725         if (atp == NULL) {
1726                 goto noresrc;
1727         }
1728
1729         atp->state = ATPD_STATE_ATIO;
1730         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1731         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n");
1732         atiop->ccb_h.target_id = fcp->isp_loopid;
1733         atiop->ccb_h.target_lun = lun;
1734
1735         /*
1736          * We don't get 'suggested' sense data as we do with SCSI cards.
1737          */
1738         atiop->sense_len = 0;
1739
1740         /*
1741          * If we're not in the port database, add ourselves.
1742          */
1743         if (IS_2100(isp))
1744                 atiop->init_id = nphdl;
1745         else {
1746                 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) {
1747                         atiop->init_id = FC_PORTDB_TGT(isp, 0, lp);
1748                 } else {
1749                         isp_prt(isp, ISP_LOGTINFO, "%s: port %x isn't in PDB",
1750                             __func__, nphdl);
1751                         isp_dump_portdb(isp, 0);
1752                         isp_endcmd(isp, aep, NIL_HANDLE, 0, ECMD_TERMINATE, 0);
1753                         return;
1754                 }
1755         }
1756         atiop->cdb_len = ATIO2_CDBLEN;
1757         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1758         atiop->ccb_h.status = CAM_CDB_RECVD;
1759         atiop->tag_id = atp->tag;
1760         switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1761         case ATIO2_TC_ATTR_SIMPLEQ:
1762                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1763                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1764                 break;
1765         case ATIO2_TC_ATTR_HEADOFQ:
1766                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1767                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1768                 break;
1769         case ATIO2_TC_ATTR_ORDERED:
1770                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1771                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1772                 break;
1773         case ATIO2_TC_ATTR_ACAQ:                /* ?? */
1774         case ATIO2_TC_ATTR_UNTAGGED:
1775         default:
1776                 atiop->tag_action = 0;
1777                 break;
1778         }
1779
1780         atp->orig_datalen = aep->at_datalen;
1781         atp->bytes_xfered = 0;
1782         atp->lun = lun;
1783         atp->nphdl = nphdl;
1784         atp->sid = PORT_ANY;
1785         atp->oxid = aep->at_oxid;
1786         atp->cdb0 = aep->at_cdb[0];
1787         atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
1788         atp->state = ATPD_STATE_CAM;
1789         xpt_done((union ccb *)atiop);
1790         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);
1791         return;
1792 noresrc:
1793         ntp = isp_get_ntpd(isp, 0);
1794         if (ntp == NULL) {
1795                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1796                 return;
1797         }
1798         memcpy(ntp->data, aep, QENTRY_LEN);
1799         STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
1800 }
1801
1802 static void
1803 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
1804 {
1805         int cdbxlen;
1806         lun_id_t lun;
1807         uint16_t chan, nphdl = NIL_HANDLE;
1808         uint32_t did, sid;
1809         fcportdb_t *lp;
1810         tstate_t *tptr;
1811         struct ccb_accept_tio *atiop;
1812         atio_private_data_t *atp = NULL;
1813         atio_private_data_t *oatp;
1814         inot_private_data_t *ntp;
1815
1816         did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
1817         sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
1818         lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun));
1819
1820         if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) {
1821                 /* Channel has to be derived from D_ID */
1822                 isp_find_chan_by_did(isp, did, &chan);
1823                 if (chan == ISP_NOCHAN) {
1824                         isp_prt(isp, ISP_LOGWARN,
1825                             "%s: [RX_ID 0x%x] D_ID %x not found on any channel",
1826                             __func__, aep->at_rxid, did);
1827                         isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN,
1828                             ECMD_TERMINATE, 0);
1829                         return;
1830                 }
1831         } else {
1832                 chan = 0;
1833         }
1834
1835         /*
1836          * Find the PDB entry for this initiator
1837          */
1838         if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) {
1839                 /*
1840                  * If we're not in the port database terminate the exchange.
1841                  */
1842                 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",
1843                     __func__, aep->at_rxid, did, chan, sid);
1844                 isp_dump_portdb(isp, chan);
1845                 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
1846                 return;
1847         }
1848         nphdl = lp->handle;
1849
1850         /*
1851          * Get the tstate pointer
1852          */
1853         tptr = get_lun_statep(isp, chan, lun);
1854         if (tptr == NULL) {
1855                 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
1856                 if (tptr == NULL) {
1857                         isp_prt(isp, ISP_LOGWARN,
1858                             "%s: [0x%x] no state pointer for lun %jx or wildcard",
1859                             __func__, aep->at_rxid, (uintmax_t)lun);
1860                         if (lun == 0) {
1861                                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
1862                         } else {
1863                                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1864                         }
1865                         return;
1866                 }
1867         }
1868
1869         /*
1870          * Start any commands pending resources first.
1871          */
1872         if (isp_atio_restart(isp, chan, tptr))
1873                 goto noresrc;
1874
1875         /*
1876          * If the f/w is out of resources, just send a BUSY status back.
1877          */
1878         if (aep->at_rxid == AT7_NORESRC_RXID) {
1879                 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
1880                 return;
1881         }
1882
1883         /*
1884          * If we're out of resources, just send a BUSY status back.
1885          */
1886         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1887         if (atiop == NULL) {
1888                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
1889                 goto noresrc;
1890         }
1891
1892         oatp = isp_find_atpd(isp, chan, aep->at_rxid);
1893         if (oatp) {
1894                 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",
1895                     aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
1896                 /*
1897                  * It's not a "no resource" condition- but we can treat it like one
1898                  */
1899                 goto noresrc;
1900         }
1901         atp = isp_get_atpd(isp, chan, aep->at_rxid);
1902         if (atp == NULL) {
1903                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
1904                 goto noresrc;
1905         }
1906         atp->word3 = lp->prli_word3;
1907         atp->state = ATPD_STATE_ATIO;
1908         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1909         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n");
1910         atiop->init_id = FC_PORTDB_TGT(isp, chan, lp);
1911         atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
1912         atiop->ccb_h.target_lun = lun;
1913         atiop->sense_len = 0;
1914         cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
1915         if (cdbxlen) {
1916                 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
1917         }
1918         cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
1919         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
1920         atiop->cdb_len = cdbxlen;
1921         atiop->ccb_h.status = CAM_CDB_RECVD;
1922         atiop->tag_id = atp->tag;
1923         switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
1924         case FCP_CMND_TASK_ATTR_SIMPLE:
1925                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1926                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1927                 break;
1928         case FCP_CMND_TASK_ATTR_HEAD:
1929                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1930                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1931                 break;
1932         case FCP_CMND_TASK_ATTR_ORDERED:
1933                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1934                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1935                 break;
1936         default:
1937                 /* FALLTHROUGH */
1938         case FCP_CMND_TASK_ATTR_ACA:
1939         case FCP_CMND_TASK_ATTR_UNTAGGED:
1940                 atiop->tag_action = 0;
1941                 break;
1942         }
1943         atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
1944         atp->bytes_xfered = 0;
1945         atp->lun = lun;
1946         atp->nphdl = nphdl;
1947         atp->sid = sid;
1948         atp->did = did;
1949         atp->oxid = aep->at_hdr.ox_id;
1950         atp->rxid = aep->at_hdr.rx_id;
1951         atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
1952         atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
1953         atp->state = ATPD_STATE_CAM;
1954         isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u",
1955             aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
1956         xpt_done((union ccb *)atiop);
1957         return;
1958 noresrc:
1959         if (atp)
1960                 isp_put_atpd(isp, chan, atp);
1961         ntp = isp_get_ntpd(isp, chan);
1962         if (ntp == NULL) {
1963                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
1964                 return;
1965         }
1966         memcpy(ntp->data, aep, QENTRY_LEN);
1967         STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
1968 }
1969
1970
1971 /*
1972  * Handle starting an SRR (sequence retransmit request)
1973  * We get here when we've gotten the immediate notify
1974  * and the return of all outstanding CTIOs for this
1975  * transaction.
1976  */
1977 static void
1978 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp)
1979 {
1980         in_fcentry_24xx_t *inot;
1981         uint32_t srr_off, ccb_off, ccb_len, ccb_end;
1982         union ccb *ccb;
1983
1984         inot = (in_fcentry_24xx_t *)atp->srr;
1985         srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
1986         ccb = atp->srr_ccb;
1987         atp->srr_ccb = NULL;
1988         atp->nsrr++;
1989         if (ccb == NULL) {
1990                 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
1991                 goto fail;
1992         }
1993
1994         ccb_off = ccb->ccb_h.spriv_field0;
1995         ccb_len = ccb->csio.dxfer_len;
1996         ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
1997
1998         switch (inot->in_srr_iu) {
1999         case R_CTL_INFO_SOLICITED_DATA:
2000                 /*
2001                  * We have to restart a FCP_DATA data out transaction
2002                  */
2003                 atp->sendst = 0;
2004                 atp->bytes_xfered = srr_off;
2005                 if (ccb_len == 0) {
2006                         isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
2007                         goto mdp;
2008                 }
2009                 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
2010                         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);
2011                         goto mdp;
2012                 }
2013                 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);
2014                 break;
2015         case R_CTL_INFO_COMMAND_STATUS:
2016                 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
2017                 atp->sendst = 1;
2018                 /*
2019                  * We have to restart a FCP_RSP IU transaction
2020                  */
2021                 break;
2022         case R_CTL_INFO_DATA_DESCRIPTOR:
2023                 /*
2024                  * We have to restart an FCP DATA in transaction
2025                  */
2026                 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
2027                 goto fail;
2028
2029         default:
2030                 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
2031                 goto fail;
2032         }
2033
2034         /*
2035          * We can't do anything until this is acked, so we might as well start it now.
2036          * We aren't going to do the usual asynchronous ack issue because we need
2037          * to make sure this gets on the wire first.
2038          */
2039         if (isp_notify_ack(isp, inot)) {
2040                 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2041                 goto fail;
2042         }
2043         isp_target_start_ctio(isp, ccb, FROM_SRR);
2044         return;
2045 fail:
2046         inot->in_reserved = 1;
2047         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2048         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2049         ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2050         isp_complete_ctio(ccb);
2051         return;
2052 mdp:
2053         if (isp_notify_ack(isp, inot)) {
2054                 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2055                 goto fail;
2056         }
2057         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2058         ccb->ccb_h.status = CAM_MESSAGE_RECV;
2059         /*
2060          * This is not a strict interpretation of MDP, but it's close
2061          */
2062         ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2063         ccb->csio.msg_len = 7;
2064         ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2065         ccb->csio.msg_ptr[1] = 5;
2066         ccb->csio.msg_ptr[2] = 0;       /* modify data pointer */
2067         ccb->csio.msg_ptr[3] = srr_off >> 24;
2068         ccb->csio.msg_ptr[4] = srr_off >> 16;
2069         ccb->csio.msg_ptr[5] = srr_off >> 8;
2070         ccb->csio.msg_ptr[6] = srr_off;
2071         isp_complete_ctio(ccb);
2072 }
2073
2074
2075 static void
2076 isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify)
2077 {
2078         in_fcentry_24xx_t *inot = notify->nt_lreserved;
2079         atio_private_data_t *atp;
2080         uint32_t tag = notify->nt_tagval & 0xffffffff;
2081
2082         atp = isp_find_atpd(isp, notify->nt_channel, tag);
2083         if (atp == NULL) {
2084                 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify",
2085                     __func__, tag);
2086                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2087                 return;
2088         }
2089         atp->srr_notify_rcvd = 1;
2090         memcpy(atp->srr, inot, sizeof (atp->srr));
2091         isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x",
2092             inot->in_rxid, inot->in_flags, inot->in_srr_iu,
2093             ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo);
2094         if (atp->srr_ccb)
2095                 isp_handle_srr_start(isp, atp);
2096 }
2097
2098 static void
2099 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2100 {
2101         union ccb *ccb;
2102         int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0;
2103         atio_private_data_t *atp = NULL;
2104         int bus;
2105         uint32_t handle, data_requested, resid;
2106
2107         handle = ((ct2_entry_t *)arg)->ct_syshandle;
2108         ccb = isp_find_xs(isp, handle);
2109         if (ccb == NULL) {
2110                 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2111                 return;
2112         }
2113         isp_destroy_handle(isp, handle);
2114         resid = data_requested = PISP_PCMD(ccb)->datalen;
2115         isp_free_pcmd(isp, ccb);
2116         if (isp->isp_nactive) {
2117                 isp->isp_nactive--;
2118         }
2119
2120         bus = XS_CHANNEL(ccb);
2121         if (IS_24XX(isp)) {
2122                 atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid);
2123         } else {
2124                 atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid);
2125         }
2126         if (atp == NULL) {
2127                 /*
2128                  * XXX: isp_clear_commands() generates fake CTIO with zero
2129                  * ct_rxid value, filling only ct_syshandle.  Workaround
2130                  * that using tag_id from the CCB, pointed by ct_syshandle.
2131                  */
2132                 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id);
2133         }
2134         if (atp == NULL) {
2135                 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2136                 return;
2137         }
2138         KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2139         atp->bytes_in_transit -= data_requested;
2140         atp->ctcnt -= 1;
2141         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2142
2143         if (IS_24XX(isp)) {
2144                 ct7_entry_t *ct = arg;
2145
2146                 if (ct->ct_nphdl == CT7_SRR) {
2147                         atp->srr_ccb = ccb;
2148                         if (atp->srr_notify_rcvd)
2149                                 isp_handle_srr_start(isp, atp);
2150                         return;
2151                 }
2152                 if (ct->ct_nphdl == CT_HBA_RESET) {
2153                         sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2154                             (atp->sendst == 0);
2155                         failure = CAM_UNREC_HBA_ERROR;
2156                 } else {
2157                         sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2158                         ok = (ct->ct_nphdl == CT7_OK);
2159                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2160                         if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA)
2161                                 resid = ct->ct_resid;
2162                 }
2163                 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),
2164                    notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2165         } else {
2166                 ct2_entry_t *ct = arg;
2167                 if (ct->ct_status == CT_SRR) {
2168                         atp->srr_ccb = ccb;
2169                         if (atp->srr_notify_rcvd)
2170                                 isp_handle_srr_start(isp, atp);
2171                         isp_target_putback_atio(ccb);
2172                         return;
2173                 }
2174                 if (ct->ct_status == CT_HBA_RESET) {
2175                         sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2176                             (atp->sendst == 0);
2177                         failure = CAM_UNREC_HBA_ERROR;
2178                 } else {
2179                         sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2180                         ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2181                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2182                         if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA)
2183                                 resid = ct->ct_resid;
2184                 }
2185                 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),
2186                     notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2187         }
2188         if (ok) {
2189                 if (data_requested > 0) {
2190                         atp->bytes_xfered += data_requested - resid;
2191                         ccb->csio.resid = ccb->csio.dxfer_len -
2192                             (data_requested - resid);
2193                 }
2194                 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE))
2195                         ccb->ccb_h.status |= CAM_SENT_SENSE;
2196                 ccb->ccb_h.status |= CAM_REQ_CMP;
2197         } else {
2198                 notify_cam = 1;
2199                 if (failure == CAM_UNREC_HBA_ERROR)
2200                         ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2201                 else
2202                         ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2203         }
2204         atp->state = ATPD_STATE_PDON;
2205
2206         /*
2207          * We never *not* notify CAM when there has been any error (ok == 0),
2208          * so we never need to do an ATIO putback if we're not notifying CAM.
2209          */
2210         isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
2211             (sentstatus)? "  FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
2212         if (notify_cam == 0) {
2213                 if (atp->sendst) {
2214                         isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
2215                 }
2216                 return;
2217         }
2218
2219         /*
2220          * We are done with this ATIO if we successfully sent status.
2221          * In all other cases expect either another CTIO or XPT_ABORT.
2222          */
2223         if (ok && sentstatus)
2224                 isp_put_atpd(isp, bus, atp);
2225
2226         /*
2227          * We're telling CAM we're done with this CTIO transaction.
2228          *
2229          * 24XX cards never need an ATIO put back.
2230          *
2231          * Other cards need one put back only on error.
2232          * In the latter case, a timeout will re-fire
2233          * and try again in case we didn't have
2234          * queue resources to do so at first. In any case,
2235          * once the putback is done we do the completion
2236          * call.
2237          */
2238         if (ok || IS_24XX(isp)) {
2239                 isp_complete_ctio(ccb);
2240         } else {
2241                 isp_target_putback_atio(ccb);
2242         }
2243 }
2244
2245 static int
2246 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp)
2247 {
2248
2249         if (isp->isp_state != ISP_RUNSTATE) {
2250                 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
2251                 return (0);
2252         }
2253
2254         /*
2255          * This case is for a Task Management Function, which shows up as an ATIO7 entry.
2256          */
2257         if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
2258                 ct7_entry_t local, *cto = &local;
2259                 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
2260                 fcportdb_t *lp;
2261                 uint32_t sid;
2262                 uint16_t nphdl;
2263
2264                 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2265                 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) {
2266                         nphdl = lp->handle;
2267                 } else {
2268                         nphdl = NIL_HANDLE;
2269                 }
2270                 ISP_MEMZERO(&local, sizeof (local));
2271                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2272                 cto->ct_header.rqs_entry_count = 1;
2273                 cto->ct_nphdl = nphdl;
2274                 cto->ct_rxid = aep->at_rxid;
2275                 cto->ct_vpidx = mp->nt_channel;
2276                 cto->ct_iid_lo = sid;
2277                 cto->ct_iid_hi = sid >> 16;
2278                 cto->ct_oxid = aep->at_hdr.ox_id;
2279                 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
2280                 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
2281                 if (rsp != 0) {
2282                         cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8);
2283                         cto->rsp.m1.ct_resplen = 4;
2284                         ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp));
2285                         cto->rsp.m1.ct_resp[0] = rsp & 0xff;
2286                         cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff;
2287                         cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff;
2288                         cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff;
2289                 }
2290                 return (isp_target_put_entry(isp, &local));
2291         }
2292
2293         /*
2294          * This case is for a responding to an ABTS frame
2295          */
2296         if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2297
2298                 /*
2299                  * Overload nt_need_ack here to mark whether we've terminated the associated command.
2300                  */
2301                 if (mp->nt_need_ack) {
2302                         uint8_t storage[QENTRY_LEN];
2303                         ct7_entry_t *cto = (ct7_entry_t *) storage;
2304                         abts_t *abts = (abts_t *)mp->nt_lreserved;
2305
2306                         ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2307                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
2308                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2309                         cto->ct_header.rqs_entry_count = 1;
2310                         cto->ct_nphdl = mp->nt_nphdl;
2311                         cto->ct_rxid = abts->abts_rxid_task;
2312                         cto->ct_iid_lo = mp->nt_sid;
2313                         cto->ct_iid_hi = mp->nt_sid >> 16;
2314                         cto->ct_oxid = abts->abts_ox_id;
2315                         cto->ct_vpidx = mp->nt_channel;
2316                         cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2317                         if (isp_target_put_entry(isp, cto)) {
2318                                 return (ENOMEM);
2319                         }
2320                         mp->nt_need_ack = 0;
2321                 }
2322                 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
2323                         return (ENOMEM);
2324                 } else {
2325                         return (0);
2326                 }
2327         }
2328
2329         /*
2330          * Handle logout cases here
2331          */
2332         if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
2333                 isp_del_all_wwn_entries(isp, mp->nt_channel);
2334         }
2335
2336         if (mp->nt_ncode == NT_LOGOUT) {
2337                 if (!IS_2100(isp) && IS_FC(isp)) {
2338                         isp_del_wwn_entries(isp, mp);
2339                 }
2340         }
2341
2342         /*
2343          * General purpose acknowledgement
2344          */
2345         if (mp->nt_need_ack) {
2346                 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
2347                 /*
2348                  * Don't need to use the guaranteed send because the caller can retry
2349                  */
2350                 return (isp_notify_ack(isp, mp->nt_lreserved));
2351         }
2352         return (0);
2353 }
2354
2355 /*
2356  * Handle task management functions.
2357  *
2358  * We show up here with a notify structure filled out.
2359  *
2360  * The nt_lreserved tag points to the original queue entry
2361  */
2362 static void
2363 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
2364 {
2365         tstate_t *tptr;
2366         fcportdb_t *lp;
2367         struct ccb_immediate_notify *inot;
2368         inot_private_data_t *ntp = NULL;
2369         atio_private_data_t *atp;
2370         lun_id_t lun;
2371
2372         isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid  0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode,
2373             notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
2374         if (notify->nt_lun == LUN_ANY) {
2375                 if (notify->nt_tagval == TAG_ANY) {
2376                         lun = CAM_LUN_WILDCARD;
2377                 } else {
2378                         atp = isp_find_atpd(isp, notify->nt_channel,
2379                             notify->nt_tagval & 0xffffffff);
2380                         lun = atp ? atp->lun : CAM_LUN_WILDCARD;
2381                 }
2382         } else {
2383                 lun = notify->nt_lun;
2384         }
2385         tptr = get_lun_statep(isp, notify->nt_channel, lun);
2386         if (tptr == NULL) {
2387                 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
2388                 if (tptr == NULL) {
2389                         isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2390                         goto bad;
2391                 }
2392         }
2393         inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2394         if (inot == NULL) {
2395                 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2396                 goto bad;
2397         }
2398
2399         if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 &&
2400             isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) {
2401                 inot->initiator_id = CAM_TARGET_WILDCARD;
2402         } else {
2403                 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp);
2404         }
2405         inot->seq_id = notify->nt_tagval;
2406         inot->tag_id = notify->nt_tagval >> 32;
2407
2408         switch (notify->nt_ncode) {
2409         case NT_ABORT_TASK:
2410                 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id);
2411                 inot->arg = MSG_ABORT_TASK;
2412                 break;
2413         case NT_ABORT_TASK_SET:
2414                 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY);
2415                 inot->arg = MSG_ABORT_TASK_SET;
2416                 break;
2417         case NT_CLEAR_ACA:
2418                 inot->arg = MSG_CLEAR_ACA;
2419                 break;
2420         case NT_CLEAR_TASK_SET:
2421                 inot->arg = MSG_CLEAR_TASK_SET;
2422                 break;
2423         case NT_LUN_RESET:
2424                 inot->arg = MSG_LOGICAL_UNIT_RESET;
2425                 break;
2426         case NT_TARGET_RESET:
2427                 inot->arg = MSG_TARGET_RESET;
2428                 break;
2429         case NT_QUERY_TASK_SET:
2430                 inot->arg = MSG_QUERY_TASK_SET;
2431                 break;
2432         case NT_QUERY_ASYNC_EVENT:
2433                 inot->arg = MSG_QUERY_ASYNC_EVENT;
2434                 break;
2435         default:
2436                 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);
2437                 goto bad;
2438         }
2439
2440         ntp = isp_get_ntpd(isp, notify->nt_channel);
2441         if (ntp == NULL) {
2442                 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
2443                 goto bad;
2444         }
2445         ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t));
2446         if (notify->nt_lreserved) {
2447                 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN);
2448                 ntp->nt.nt_lreserved = &ntp->data;
2449         }
2450         ntp->seq_id = notify->nt_tagval;
2451         ntp->tag_id = notify->nt_tagval >> 32;
2452
2453         SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2454         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n");
2455         inot->ccb_h.status = CAM_MESSAGE_RECV;
2456         xpt_done((union ccb *)inot);
2457         return;
2458 bad:
2459         if (notify->nt_need_ack) {
2460                 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2461                         if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
2462                                 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
2463                         }
2464                 } else {
2465                         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
2466                 }
2467         }
2468 }
2469
2470 static void
2471 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id)
2472 {
2473         atio_private_data_t *atp, *atpool;
2474         inot_private_data_t *ntp, *tmp;
2475         uint32_t this_tag_id;
2476
2477         /*
2478          * First, clean any commands pending restart
2479          */
2480         STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) {
2481                 if (IS_24XX(isp))
2482                         this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid;
2483                 else
2484                         this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid;
2485                 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
2486                         isp_endcmd(isp, ntp->data, NIL_HANDLE, chan,
2487                             ECMD_TERMINATE, 0);
2488                         isp_put_ntpd(isp, chan, ntp);
2489                         STAILQ_REMOVE(&tptr->restart_queue, ntp,
2490                             inot_private_data, next);
2491                 }
2492         }
2493
2494         /*
2495          * Now mark other ones dead as well.
2496          */
2497         ISP_GET_PC(isp, chan, atpool, atpool);
2498         for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
2499                 if (atp->lun != tptr->ts_lun)
2500                         continue;
2501                 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id)
2502                         atp->dead = 1;
2503         }
2504 }
2505 #endif
2506
2507 static void
2508 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
2509 {
2510         struct cam_sim *sim;
2511         int bus, tgt;
2512         ispsoftc_t *isp;
2513
2514         sim = (struct cam_sim *)cbarg;
2515         isp = (ispsoftc_t *) cam_sim_softc(sim);
2516         bus = cam_sim_bus(sim);
2517         tgt = xpt_path_target_id(path);
2518
2519         switch (code) {
2520         case AC_LOST_DEVICE:
2521                 if (IS_SCSI(isp)) {
2522                         uint16_t oflags, nflags;
2523                         sdparam *sdp = SDPARAM(isp, bus);
2524
2525                         if (tgt >= 0) {
2526                                 nflags = sdp->isp_devparam[tgt].nvrm_flags;
2527                                 nflags &= DPARM_SAFE_DFLT;
2528                                 if (isp->isp_loaded_fw) {
2529                                         nflags |= DPARM_NARROW | DPARM_ASYNC;
2530                                 }
2531                                 oflags = sdp->isp_devparam[tgt].goal_flags;
2532                                 sdp->isp_devparam[tgt].goal_flags = nflags;
2533                                 sdp->isp_devparam[tgt].dev_update = 1;
2534                                 sdp->update = 1;
2535                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
2536                                 sdp->isp_devparam[tgt].goal_flags = oflags;
2537                         }
2538                 }
2539                 break;
2540         default:
2541                 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
2542                 break;
2543         }
2544 }
2545
2546 static void
2547 isp_poll(struct cam_sim *sim)
2548 {
2549         ispsoftc_t *isp = cam_sim_softc(sim);
2550
2551         ISP_RUN_ISR(isp);
2552 }
2553
2554
2555 static void
2556 isp_watchdog(void *arg)
2557 {
2558         struct ccb_scsiio *xs = arg;
2559         ispsoftc_t *isp;
2560         uint32_t ohandle = ISP_HANDLE_FREE, handle;
2561
2562         isp = XS_ISP(xs);
2563
2564         handle = isp_find_handle(isp, xs);
2565
2566         /*
2567          * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
2568          */
2569         if (handle != ISP_HANDLE_FREE) {
2570                 ISP_RUN_ISR(isp);
2571                 ohandle = handle;
2572                 handle = isp_find_handle(isp, xs);
2573         }
2574         if (handle != ISP_HANDLE_FREE) {
2575                 /*
2576                  * Try and make sure the command is really dead before
2577                  * we release the handle (and DMA resources) for reuse.
2578                  *
2579                  * If we are successful in aborting the command then
2580                  * we're done here because we'll get the command returned
2581                  * back separately.
2582                  */
2583                 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
2584                         return;
2585                 }
2586
2587                 /*
2588                  * Note that after calling the above, the command may in
2589                  * fact have been completed.
2590                  */
2591                 xs = isp_find_xs(isp, handle);
2592
2593                 /*
2594                  * If the command no longer exists, then we won't
2595                  * be able to find the xs again with this handle.
2596                  */
2597                 if (xs == NULL) {
2598                         return;
2599                 }
2600
2601                 /*
2602                  * After this point, the command is really dead.
2603                  */
2604                 if (XS_XFRLEN(xs)) {
2605                         ISP_DMAFREE(isp, xs, handle);
2606                 }
2607                 isp_destroy_handle(isp, handle);
2608                 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
2609                 xs->ccb_h.status &= ~CAM_STATUS_MASK;
2610                 xs->ccb_h.status |= CAM_CMD_TIMEOUT;
2611                 isp_prt_endcmd(isp, xs);
2612                 isp_done(xs);
2613         } else {
2614                 if (ohandle != ISP_HANDLE_FREE) {
2615                         isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
2616                 } else {
2617                         isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
2618                 }
2619         }
2620 }
2621
2622 static void
2623 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2624 {
2625         union ccb *ccb;
2626         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2627
2628         /*
2629          * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
2630          */
2631         ccb = xpt_alloc_ccb_nowait();
2632         if (ccb == NULL) {
2633                 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
2634                 return;
2635         }
2636         if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
2637             tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2638                 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
2639                 xpt_free_ccb(ccb);
2640                 return;
2641         }
2642         xpt_rescan(ccb);
2643 }
2644
2645 static void
2646 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2647 {
2648         struct cam_path *tp;
2649         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2650
2651         if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
2652                 xpt_async(AC_LOST_DEVICE, tp, NULL);
2653                 xpt_free_path(tp);
2654         }
2655 }
2656
2657 /*
2658  * Gone Device Timer Function- when we have decided that a device has gone
2659  * away, we wait a specific period of time prior to telling the OS it has
2660  * gone away.
2661  *
2662  * This timer function fires once a second and then scans the port database
2663  * for devices that are marked dead but still have a virtual target assigned.
2664  * We decrement a counter for that port database entry, and when it hits zero,
2665  * we tell the OS the device has gone away.
2666  */
2667 static void
2668 isp_gdt(void *arg)
2669 {
2670         struct isp_fc *fc = arg;
2671         taskqueue_enqueue(taskqueue_thread, &fc->gtask);
2672 }
2673
2674 static void
2675 isp_gdt_task(void *arg, int pending)
2676 {
2677         struct isp_fc *fc = arg;
2678         ispsoftc_t *isp = fc->isp;
2679         int chan = fc - isp->isp_osinfo.pc.fc;
2680         fcportdb_t *lp;
2681         struct ac_contract ac;
2682         struct ac_device_changed *adc;
2683         int dbidx, more_to_do = 0;
2684
2685         ISP_LOCK(isp);
2686         isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
2687         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2688                 lp = &FCPARAM(isp, chan)->portdb[dbidx];
2689
2690                 if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
2691                         continue;
2692                 }
2693                 if (lp->gone_timer != 0) {
2694                         lp->gone_timer -= 1;
2695                         more_to_do++;
2696                         continue;
2697                 }
2698                 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout");
2699                 if (lp->is_target) {
2700                         lp->is_target = 0;
2701                         isp_make_gone(isp, lp, chan, dbidx);
2702                 }
2703                 if (lp->is_initiator) {
2704                         lp->is_initiator = 0;
2705                         ac.contract_number = AC_CONTRACT_DEV_CHG;
2706                         adc = (struct ac_device_changed *) ac.contract_data;
2707                         adc->wwpn = lp->port_wwn;
2708                         adc->port = lp->portid;
2709                         adc->target = dbidx;
2710                         adc->arrived = 0;
2711                         xpt_async(AC_CONTRACT, fc->path, &ac);
2712                 }
2713                 lp->state = FC_PORTDB_STATE_NIL;
2714         }
2715         if (fc->ready) {
2716                 if (more_to_do) {
2717                         callout_reset(&fc->gdt, hz, isp_gdt, fc);
2718                 } else {
2719                         callout_deactivate(&fc->gdt);
2720                         isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
2721                 }
2722         }
2723         ISP_UNLOCK(isp);
2724 }
2725
2726 /*
2727  * When loop goes down we remember the time and freeze CAM command queue.
2728  * During some time period we are trying to reprobe the loop.  But if we
2729  * fail, we tell the OS that devices have gone away and drop the freeze.
2730  *
2731  * We don't clear the devices out of our port database because, when loop
2732  * come back up, we have to do some actual cleanup with the chip at that
2733  * point (implicit PLOGO, e.g., to get the chip's port database state right).
2734  */
2735 static void
2736 isp_loop_changed(ispsoftc_t *isp, int chan)
2737 {
2738         fcparam *fcp = FCPARAM(isp, chan);
2739         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2740
2741         if (fc->loop_down_time)
2742                 return;
2743         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan);
2744         if (fcp->role & ISP_ROLE_INITIATOR)
2745                 isp_freeze_loopdown(isp, chan);
2746         fc->loop_down_time = time_uptime;
2747         wakeup(fc);
2748 }
2749
2750 static void
2751 isp_loop_up(ispsoftc_t *isp, int chan)
2752 {
2753         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2754
2755         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan);
2756         fc->loop_seen_once = 1;
2757         fc->loop_down_time = 0;
2758         isp_unfreeze_loopdown(isp, chan);
2759 }
2760
2761 static void
2762 isp_loop_dead(ispsoftc_t *isp, int chan)
2763 {
2764         fcparam *fcp = FCPARAM(isp, chan);
2765         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2766         fcportdb_t *lp;
2767         struct ac_contract ac;
2768         struct ac_device_changed *adc;
2769         int dbidx, i;
2770
2771         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan);
2772
2773         /*
2774          * Notify to the OS all targets who we now consider have departed.
2775          */
2776         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2777                 lp = &fcp->portdb[dbidx];
2778
2779                 if (lp->state == FC_PORTDB_STATE_NIL)
2780                         continue;
2781
2782                 /*
2783                  * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
2784                  */
2785                 for (i = 0; i < isp->isp_maxcmds; i++) {
2786                         struct ccb_scsiio *xs;
2787
2788                         if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) {
2789                                 continue;
2790                         }
2791                         if ((xs = isp->isp_xflist[i].cmd) == NULL) {
2792                                 continue;
2793                         }
2794                         if (dbidx != XS_TGT(xs)) {
2795                                 continue;
2796                         }
2797                         isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout",
2798                             isp->isp_xflist[i].handle, chan, XS_TGT(xs),
2799                             (uintmax_t)XS_LUN(xs));
2800                 }
2801
2802                 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout");
2803                 if (lp->is_target) {
2804                         lp->is_target = 0;
2805                         isp_make_gone(isp, lp, chan, dbidx);
2806                 }
2807                 if (lp->is_initiator) {
2808                         lp->is_initiator = 0;
2809                         ac.contract_number = AC_CONTRACT_DEV_CHG;
2810                         adc = (struct ac_device_changed *) ac.contract_data;
2811                         adc->wwpn = lp->port_wwn;
2812                         adc->port = lp->portid;
2813                         adc->target = dbidx;
2814                         adc->arrived = 0;
2815                         xpt_async(AC_CONTRACT, fc->path, &ac);
2816                 }
2817         }
2818
2819         isp_unfreeze_loopdown(isp, chan);
2820         fc->loop_down_time = 0;
2821 }
2822
2823 static void
2824 isp_kthread(void *arg)
2825 {
2826         struct isp_fc *fc = arg;
2827         ispsoftc_t *isp = fc->isp;
2828         int chan = fc - isp->isp_osinfo.pc.fc;
2829         int slp = 0, d;
2830         int lb, lim;
2831
2832         mtx_lock(&isp->isp_osinfo.lock);
2833
2834         while (isp->isp_osinfo.is_exiting == 0) {
2835                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
2836                     "Chan %d Checking FC state", chan);
2837                 lb = isp_fc_runstate(isp, chan, 250000);
2838                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
2839                     "Chan %d FC got to %s state", chan,
2840                     isp_fc_loop_statename(lb));
2841
2842                 /*
2843                  * Our action is different based upon whether we're supporting
2844                  * Initiator mode or not. If we are, we might freeze the simq
2845                  * when loop is down and set all sorts of different delays to
2846                  * check again.
2847                  *
2848                  * If not, we simply just wait for loop to come up.
2849                  */
2850                 if (lb == LOOP_READY || lb < 0) {
2851                         slp = 0;
2852                 } else {
2853                         /*
2854                          * If we've never seen loop up and we've waited longer
2855                          * than quickboot time, or we've seen loop up but we've
2856                          * waited longer than loop_down_limit, give up and go
2857                          * to sleep until loop comes up.
2858                          */
2859                         if (fc->loop_seen_once == 0)
2860                                 lim = isp_quickboot_time;
2861                         else
2862                                 lim = fc->loop_down_limit;
2863                         d = time_uptime - fc->loop_down_time;
2864                         if (d >= lim)
2865                                 slp = 0;
2866                         else if (d < 10)
2867                                 slp = 1;
2868                         else if (d < 30)
2869                                 slp = 5;
2870                         else if (d < 60)
2871                                 slp = 10;
2872                         else if (d < 120)
2873                                 slp = 20;
2874                         else
2875                                 slp = 30;
2876                 }
2877
2878                 if (slp == 0) {
2879                         if (lb == LOOP_READY)
2880                                 isp_loop_up(isp, chan);
2881                         else
2882                                 isp_loop_dead(isp, chan);
2883                 }
2884
2885                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
2886                     "Chan %d sleep for %d seconds", chan, slp);
2887                 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz);
2888         }
2889         fc->num_threads -= 1;
2890         mtx_unlock(&isp->isp_osinfo.lock);
2891         kthread_exit();
2892 }
2893
2894 #ifdef  ISP_TARGET_MODE
2895 static void
2896 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb)
2897 {
2898         atio_private_data_t *atp;
2899         union ccb *accb = ccb->cab.abort_ccb;
2900         struct ccb_hdr *sccb;
2901         tstate_t *tptr;
2902
2903         tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
2904         if (tptr != NULL) {
2905                 /* Search for the ATIO among queueued. */
2906                 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) {
2907                         if (sccb != &accb->ccb_h)
2908                                 continue;
2909                         SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle);
2910                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path,
2911                             "Abort FREE ATIO\n");
2912                         accb->ccb_h.status = CAM_REQ_ABORTED;
2913                         xpt_done(accb);
2914                         ccb->ccb_h.status = CAM_REQ_CMP;
2915                         return;
2916                 }
2917         }
2918
2919         /* Search for the ATIO among running. */
2920         atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id);
2921         if (atp != NULL) {
2922                 /* Send TERMINATE to firmware. */
2923                 if (!atp->dead && IS_24XX(isp)) {
2924                         uint8_t storage[QENTRY_LEN];
2925                         ct7_entry_t *cto = (ct7_entry_t *) storage;
2926
2927                         ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2928                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2929                         cto->ct_header.rqs_entry_count = 1;
2930                         cto->ct_nphdl = atp->nphdl;
2931                         cto->ct_rxid = atp->tag;
2932                         cto->ct_iid_lo = atp->sid;
2933                         cto->ct_iid_hi = atp->sid >> 16;
2934                         cto->ct_oxid = atp->oxid;
2935                         cto->ct_vpidx = XS_CHANNEL(accb);
2936                         cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2937                         isp_target_put_entry(isp, cto);
2938                 }
2939                 isp_put_atpd(isp, XS_CHANNEL(accb), atp);
2940                 ccb->ccb_h.status = CAM_REQ_CMP;
2941         } else {
2942                 ccb->ccb_h.status = CAM_UA_ABORT;
2943         }
2944 }
2945
2946 static void
2947 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb)
2948 {
2949         inot_private_data_t *ntp;
2950         union ccb *accb = ccb->cab.abort_ccb;
2951         struct ccb_hdr *sccb;
2952         tstate_t *tptr;
2953
2954         tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
2955         if (tptr != NULL) {
2956                 /* Search for the INOT among queueued. */
2957                 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) {
2958                         if (sccb != &accb->ccb_h)
2959                                 continue;
2960                         SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle);
2961                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path,
2962                             "Abort FREE INOT\n");
2963                         accb->ccb_h.status = CAM_REQ_ABORTED;
2964                         xpt_done(accb);
2965                         ccb->ccb_h.status = CAM_REQ_CMP;
2966                         return;
2967                 }
2968         }
2969
2970         /* Search for the INOT among running. */
2971         ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id);
2972         if (ntp != NULL) {
2973                 if (ntp->nt.nt_need_ack) {
2974                         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK,
2975                             ntp->nt.nt_lreserved);
2976                 }
2977                 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp);
2978                 ccb->ccb_h.status = CAM_REQ_CMP;
2979         } else {
2980                 ccb->ccb_h.status = CAM_UA_ABORT;
2981                 return;
2982         }
2983 }
2984 #endif
2985
2986 static void
2987 isp_action(struct cam_sim *sim, union ccb *ccb)
2988 {
2989         int bus, tgt, ts, error;
2990         ispsoftc_t *isp;
2991         struct ccb_trans_settings *cts;
2992
2993         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
2994
2995         isp = (ispsoftc_t *)cam_sim_softc(sim);
2996         mtx_assert(&isp->isp_lock, MA_OWNED);
2997         isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
2998         ISP_PCMD(ccb) = NULL;
2999
3000         switch (ccb->ccb_h.func_code) {
3001         case XPT_SCSI_IO:       /* Execute the requested I/O operation */
3002                 bus = XS_CHANNEL(ccb);
3003                 /*
3004                  * Do a couple of preliminary checks...
3005                  */
3006                 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
3007                         if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
3008                                 ccb->ccb_h.status = CAM_REQ_INVALID;
3009                                 isp_done((struct ccb_scsiio *) ccb);
3010                                 break;
3011                         }
3012                 }
3013                 ccb->csio.req_map = NULL;
3014 #ifdef  DIAGNOSTIC
3015                 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) {
3016                         xpt_print(ccb->ccb_h.path, "invalid target\n");
3017                         ccb->ccb_h.status = CAM_PATH_INVALID;
3018                 } else if (ISP_MAX_LUNS(isp) > 0 &&
3019                     ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) {
3020                         xpt_print(ccb->ccb_h.path, "invalid lun\n");
3021                         ccb->ccb_h.status = CAM_PATH_INVALID;
3022                 }
3023                 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
3024                         xpt_done(ccb);
3025                         break;
3026                 }
3027 #endif
3028                 ccb->csio.scsi_status = SCSI_STATUS_OK;
3029                 if (isp_get_pcmd(isp, ccb)) {
3030                         isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
3031                         cam_freeze_devq(ccb->ccb_h.path);
3032                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
3033                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3034                         xpt_done(ccb);
3035                         break;
3036                 }
3037                 error = isp_start((XS_T *) ccb);
3038                 switch (error) {
3039                 case CMD_QUEUED:
3040                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
3041                         if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
3042                                 break;
3043                         }
3044                         ts = ccb->ccb_h.timeout;
3045                         if (ts == CAM_TIME_DEFAULT) {
3046                                 ts = 60*1000;
3047                         }
3048                         ts = isp_mstohz(ts);
3049                         callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
3050                         break;
3051                 case CMD_RQLATER:
3052                         isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later",
3053                             XS_TGT(ccb), (uintmax_t)XS_LUN(ccb));
3054                         cam_freeze_devq(ccb->ccb_h.path);
3055                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3056                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3057                         isp_free_pcmd(isp, ccb);
3058                         xpt_done(ccb);
3059                         break;
3060                 case CMD_EAGAIN:
3061                         isp_free_pcmd(isp, ccb);
3062                         cam_freeze_devq(ccb->ccb_h.path);
3063                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
3064                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3065                         xpt_done(ccb);
3066                         break;
3067                 case CMD_COMPLETE:
3068                         isp_done((struct ccb_scsiio *) ccb);
3069                         break;
3070                 default:
3071                         isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
3072                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3073                         isp_free_pcmd(isp, ccb);
3074                         xpt_done(ccb);
3075                 }
3076                 break;
3077
3078 #ifdef  ISP_TARGET_MODE
3079         case XPT_EN_LUN:                /* Enable/Disable LUN as a target */
3080                 if (ccb->cel.enable) {
3081                         isp_enable_lun(isp, ccb);
3082                 } else {
3083                         isp_disable_lun(isp, ccb);
3084                 }
3085                 break;
3086         case XPT_IMMEDIATE_NOTIFY:      /* Add Immediate Notify Resource */
3087         case XPT_ACCEPT_TARGET_IO:      /* Add Accept Target IO Resource */
3088         {
3089                 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
3090                 if (tptr == NULL) {
3091                         const char *str;
3092
3093                         if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY)
3094                                 str = "XPT_IMMEDIATE_NOTIFY";
3095                         else
3096                                 str = "XPT_ACCEPT_TARGET_IO";
3097                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path,
3098                             "%s: no state pointer found for %s\n",
3099                             __func__, str);
3100                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3101                         xpt_done(ccb);
3102                         break;
3103                 }
3104                 ccb->ccb_h.spriv_field0 = 0;
3105                 ccb->ccb_h.spriv_ptr1 = isp;
3106
3107                 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
3108                         ccb->atio.tag_id = 0;
3109                         SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
3110                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3111                             "Put FREE ATIO\n");
3112                 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
3113                         ccb->cin1.seq_id = ccb->cin1.tag_id = 0;
3114                         SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
3115                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3116                             "Put FREE INOT\n");
3117                 }
3118                 ccb->ccb_h.status = CAM_REQ_INPROG;
3119                 break;
3120         }
3121         case XPT_NOTIFY_ACKNOWLEDGE:            /* notify ack */
3122         {
3123                 inot_private_data_t *ntp;
3124
3125                 /*
3126                  * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
3127                  * XXX: matches that for the immediate notify, we have to *search* for the notify structure
3128                  */
3129                 /*
3130                  * All the relevant path information is in the associated immediate notify
3131                  */
3132                 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);
3133                 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id);
3134                 if (ntp == NULL) {
3135                         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__,
3136                              ccb->cna2.tag_id, ccb->cna2.seq_id);
3137                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3138                         xpt_done(ccb);
3139                         break;
3140                 }
3141                 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt,
3142                     (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) {
3143                         cam_freeze_devq(ccb->ccb_h.path);
3144                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3145                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3146                         ccb->ccb_h.status |= CAM_REQUEUE_REQ;
3147                         break;
3148                 }
3149                 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp);
3150                 ccb->ccb_h.status = CAM_REQ_CMP;
3151                 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);
3152                 xpt_done(ccb);
3153                 break;
3154         }
3155         case XPT_CONT_TARGET_IO:
3156                 isp_target_start_ctio(isp, ccb, FROM_CAM);
3157                 break;
3158 #endif
3159         case XPT_RESET_DEV:             /* BDR the specified SCSI device */
3160                 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
3161                 tgt = ccb->ccb_h.target_id;
3162                 tgt |= (bus << 16);
3163
3164                 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
3165                 if (error) {
3166                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3167                 } else {
3168                         /*
3169                          * If we have a FC device, reset the Command
3170                          * Reference Number, because the target will expect
3171                          * that we re-start the CRN at 1 after a reset.
3172                          */
3173                         if (IS_FC(isp))
3174                                 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3175
3176                         ccb->ccb_h.status = CAM_REQ_CMP;
3177                 }
3178                 xpt_done(ccb);
3179                 break;
3180         case XPT_ABORT:                 /* Abort the specified CCB */
3181         {
3182                 union ccb *accb = ccb->cab.abort_ccb;
3183                 switch (accb->ccb_h.func_code) {
3184 #ifdef  ISP_TARGET_MODE
3185                 case XPT_ACCEPT_TARGET_IO:
3186                         isp_abort_atio(isp, ccb);
3187                         break;
3188                 case XPT_IMMEDIATE_NOTIFY:
3189                         isp_abort_inot(isp, ccb);
3190                         break;
3191 #endif
3192                 case XPT_SCSI_IO:
3193                         error = isp_control(isp, ISPCTL_ABORT_CMD, accb);
3194                         if (error) {
3195                                 ccb->ccb_h.status = CAM_UA_ABORT;
3196                         } else {
3197                                 ccb->ccb_h.status = CAM_REQ_CMP;
3198                         }
3199                         break;
3200                 default:
3201                         ccb->ccb_h.status = CAM_REQ_INVALID;
3202                         break;
3203                 }
3204                 /*
3205                  * This is not a queued CCB, so the caller expects it to be
3206                  * complete when control is returned.
3207                  */
3208                 break;
3209         }
3210 #define IS_CURRENT_SETTINGS(c)  (c->type == CTS_TYPE_CURRENT_SETTINGS)
3211         case XPT_SET_TRAN_SETTINGS:     /* Nexus Settings */
3212                 cts = &ccb->cts;
3213                 if (!IS_CURRENT_SETTINGS(cts)) {
3214                         ccb->ccb_h.status = CAM_REQ_INVALID;
3215                         xpt_done(ccb);
3216                         break;
3217                 }
3218                 tgt = cts->ccb_h.target_id;
3219                 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
3220                 if (IS_SCSI(isp)) {
3221                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3222                         struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3223                         sdparam *sdp = SDPARAM(isp, bus);
3224                         uint16_t *dptr;
3225
3226                         if (spi->valid == 0 && scsi->valid == 0) {
3227                                 ccb->ccb_h.status = CAM_REQ_CMP;
3228                                 xpt_done(ccb);
3229                                 break;
3230                         }
3231
3232                         /*
3233                          * We always update (internally) from goal_flags
3234                          * so any request to change settings just gets
3235                          * vectored to that location.
3236                          */
3237                         dptr = &sdp->isp_devparam[tgt].goal_flags;
3238
3239                         if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
3240                                 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
3241                                         *dptr |= DPARM_DISC;
3242                                 else
3243                                         *dptr &= ~DPARM_DISC;
3244                         }
3245
3246                         if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
3247                                 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
3248                                         *dptr |= DPARM_TQING;
3249                                 else
3250                                         *dptr &= ~DPARM_TQING;
3251                         }
3252
3253                         if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
3254                                 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
3255                                         *dptr |= DPARM_WIDE;
3256                                 else
3257                                         *dptr &= ~DPARM_WIDE;
3258                         }
3259
3260                         /*
3261                          * XXX: FIX ME
3262                          */
3263                         if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
3264                                 *dptr |= DPARM_SYNC;
3265                                 /*
3266                                  * XXX: CHECK FOR LEGALITY
3267                                  */
3268                                 sdp->isp_devparam[tgt].goal_period = spi->sync_period;
3269                                 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
3270                         } else {
3271                                 *dptr &= ~DPARM_SYNC;
3272                         }
3273                         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,
3274                             sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
3275                         sdp->isp_devparam[tgt].dev_update = 1;
3276                         sdp->update = 1;
3277                 }
3278                 ccb->ccb_h.status = CAM_REQ_CMP;
3279                 xpt_done(ccb);
3280                 break;
3281         case XPT_GET_TRAN_SETTINGS:
3282                 cts = &ccb->cts;
3283                 tgt = cts->ccb_h.target_id;
3284                 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
3285                 if (IS_FC(isp)) {
3286                         fcparam *fcp = FCPARAM(isp, bus);
3287                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3288                         struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
3289
3290                         cts->protocol = PROTO_SCSI;
3291                         cts->protocol_version = SCSI_REV_2;
3292                         cts->transport = XPORT_FC;
3293                         cts->transport_version = 0;
3294
3295                         scsi->valid = CTS_SCSI_VALID_TQ;
3296                         scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
3297                         fc->valid = CTS_FC_VALID_SPEED;
3298                         fc->bitrate = 100000;
3299                         fc->bitrate *= fcp->isp_gbspeed;
3300                         if (tgt < MAX_FC_TARG) {
3301                                 fcportdb_t *lp = &fcp->portdb[tgt];
3302                                 fc->wwnn = lp->node_wwn;
3303                                 fc->wwpn = lp->port_wwn;
3304                                 fc->port = lp->portid;
3305                                 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
3306                         }
3307                 } else {
3308                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3309                         struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3310                         sdparam *sdp = SDPARAM(isp, bus);
3311                         uint16_t dval, pval, oval;
3312
3313                         if (IS_CURRENT_SETTINGS(cts)) {
3314                                 sdp->isp_devparam[tgt].dev_refresh = 1;
3315                                 sdp->update = 1;
3316                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3317                                 dval = sdp->isp_devparam[tgt].actv_flags;
3318                                 oval = sdp->isp_devparam[tgt].actv_offset;
3319                                 pval = sdp->isp_devparam[tgt].actv_period;
3320                         } else {
3321                                 dval = sdp->isp_devparam[tgt].nvrm_flags;
3322                                 oval = sdp->isp_devparam[tgt].nvrm_offset;
3323                                 pval = sdp->isp_devparam[tgt].nvrm_period;
3324                         }
3325
3326                         cts->protocol = PROTO_SCSI;
3327                         cts->protocol_version = SCSI_REV_2;
3328                         cts->transport = XPORT_SPI;
3329                         cts->transport_version = 2;
3330
3331                         spi->valid = 0;
3332                         scsi->valid = 0;
3333                         spi->flags = 0;
3334                         scsi->flags = 0;
3335                         if (dval & DPARM_DISC) {
3336                                 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3337                         }
3338                         if ((dval & DPARM_SYNC) && oval && pval) {
3339                                 spi->sync_offset = oval;
3340                                 spi->sync_period = pval;
3341                         } else {
3342                                 spi->sync_offset = 0;
3343                                 spi->sync_period = 0;
3344                         }
3345                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3346                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3347                         spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
3348                         if (dval & DPARM_WIDE) {
3349                                 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3350                         } else {
3351                                 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3352                         }
3353                         if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3354                                 scsi->valid = CTS_SCSI_VALID_TQ;
3355                                 if (dval & DPARM_TQING) {
3356                                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3357                                 }
3358                                 spi->valid |= CTS_SPI_VALID_DISC;
3359                         }
3360                         isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
3361                             bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval);
3362                 }
3363                 ccb->ccb_h.status = CAM_REQ_CMP;
3364                 xpt_done(ccb);
3365                 break;
3366
3367         case XPT_CALC_GEOMETRY:
3368                 cam_calc_geometry(&ccb->ccg, 1);
3369                 xpt_done(ccb);
3370                 break;
3371
3372         case XPT_RESET_BUS:             /* Reset the specified bus */
3373                 bus = cam_sim_bus(sim);
3374                 error = isp_control(isp, ISPCTL_RESET_BUS, bus);
3375                 if (error) {
3376                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3377                         xpt_done(ccb);
3378                         break;
3379                 }
3380                 if (bootverbose) {
3381                         xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
3382                 }
3383                 if (IS_FC(isp)) {
3384                         xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
3385                 } else {
3386                         xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
3387                 }
3388                 ccb->ccb_h.status = CAM_REQ_CMP;
3389                 xpt_done(ccb);
3390                 break;
3391
3392         case XPT_TERM_IO:               /* Terminate the I/O process */
3393                 ccb->ccb_h.status = CAM_REQ_INVALID;
3394                 xpt_done(ccb);
3395                 break;
3396
3397         case XPT_SET_SIM_KNOB:          /* Set SIM knobs */
3398         {
3399                 struct ccb_sim_knob *kp = &ccb->knob;
3400                 fcparam *fcp;
3401
3402                 if (!IS_FC(isp)) {
3403                         ccb->ccb_h.status = CAM_REQ_INVALID;
3404                         xpt_done(ccb);
3405                         break;
3406                 }
3407
3408                 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
3409                 fcp = FCPARAM(isp, bus);
3410
3411                 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
3412                         fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
3413                         fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
3414                         isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
3415                 }
3416                 ccb->ccb_h.status = CAM_REQ_CMP;
3417                 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
3418                         int rchange = 0;
3419                         int newrole = 0;
3420
3421                         switch (kp->xport_specific.fc.role) {
3422                         case KNOB_ROLE_NONE:
3423                                 if (fcp->role != ISP_ROLE_NONE) {
3424                                         rchange = 1;
3425                                         newrole = ISP_ROLE_NONE;
3426                                 }
3427                                 break;
3428                         case KNOB_ROLE_TARGET:
3429                                 if (fcp->role != ISP_ROLE_TARGET) {
3430                                         rchange = 1;
3431                                         newrole = ISP_ROLE_TARGET;
3432                                 }
3433                                 break;
3434                         case KNOB_ROLE_INITIATOR:
3435                                 if (fcp->role != ISP_ROLE_INITIATOR) {
3436                                         rchange = 1;
3437                                         newrole = ISP_ROLE_INITIATOR;
3438                                 }
3439                                 break;
3440                         case KNOB_ROLE_BOTH:
3441                                 if (fcp->role != ISP_ROLE_BOTH) {
3442                                         rchange = 1;
3443                                         newrole = ISP_ROLE_BOTH;
3444                                 }
3445                                 break;
3446                         }
3447                         if (rchange) {
3448                                 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
3449                                 if (isp_control(isp, ISPCTL_CHANGE_ROLE,
3450                                     bus, newrole) != 0) {
3451                                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3452                                         xpt_done(ccb);
3453                                         break;
3454                                 }
3455                         }
3456                 }
3457                 xpt_done(ccb);
3458                 break;
3459         }
3460         case XPT_GET_SIM_KNOB_OLD:      /* Get SIM knobs -- compat value */
3461         case XPT_GET_SIM_KNOB:          /* Get SIM knobs */
3462         {
3463                 struct ccb_sim_knob *kp = &ccb->knob;
3464
3465                 if (IS_FC(isp)) {
3466                         fcparam *fcp;
3467
3468                         bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
3469                         fcp = FCPARAM(isp, bus);
3470
3471                         kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
3472                         kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
3473                         switch (fcp->role) {
3474                         case ISP_ROLE_NONE:
3475                                 kp->xport_specific.fc.role = KNOB_ROLE_NONE;
3476                                 break;
3477                         case ISP_ROLE_TARGET:
3478                                 kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
3479                                 break;
3480                         case ISP_ROLE_INITIATOR:
3481                                 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
3482                                 break;
3483                         case ISP_ROLE_BOTH:
3484                                 kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
3485                                 break;
3486                         }
3487                         kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
3488                         ccb->ccb_h.status = CAM_REQ_CMP;
3489                 } else {
3490                         ccb->ccb_h.status = CAM_REQ_INVALID;
3491                 }
3492                 xpt_done(ccb);
3493                 break;
3494         }
3495         case XPT_PATH_INQ:              /* Path routing inquiry */
3496         {
3497                 struct ccb_pathinq *cpi = &ccb->cpi;
3498
3499                 cpi->version_num = 1;
3500 #ifdef  ISP_TARGET_MODE
3501                 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp))
3502                         cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
3503                 else
3504 #endif
3505                         cpi->target_sprt = 0;
3506                 cpi->hba_eng_cnt = 0;
3507                 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
3508                 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ?
3509                     255 : ISP_MAX_LUNS(isp) - 1;
3510                 cpi->bus_id = cam_sim_bus(sim);
3511                 if (isp->isp_osinfo.sixtyfourbit)
3512                         cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
3513                 else
3514                         cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
3515
3516                 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
3517                 if (IS_FC(isp)) {
3518                         fcparam *fcp = FCPARAM(isp, bus);
3519
3520                         cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
3521                         cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN;
3522
3523                         /*
3524                          * Because our loop ID can shift from time to time,
3525                          * make our initiator ID out of range of our bus.
3526                          */
3527                         cpi->initiator_id = cpi->max_target + 1;
3528
3529                         /*
3530                          * Set base transfer capabilities for Fibre Channel, for this HBA.
3531                          */
3532                         if (IS_25XX(isp)) {
3533                                 cpi->base_transfer_speed = 8000000;
3534                         } else if (IS_24XX(isp)) {
3535                                 cpi->base_transfer_speed = 4000000;
3536                         } else if (IS_23XX(isp)) {
3537                                 cpi->base_transfer_speed = 2000000;
3538                         } else {
3539                                 cpi->base_transfer_speed = 1000000;
3540                         }
3541                         cpi->hba_inquiry = PI_TAG_ABLE;
3542                         cpi->transport = XPORT_FC;
3543                         cpi->transport_version = 0;
3544                         cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
3545                         cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
3546                         cpi->xport_specific.fc.port = fcp->isp_portid;
3547                         cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
3548                 } else {
3549                         sdparam *sdp = SDPARAM(isp, bus);
3550                         cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3551                         cpi->hba_misc = PIM_UNMAPPED;
3552                         cpi->initiator_id = sdp->isp_initiator_id;
3553                         cpi->base_transfer_speed = 3300;
3554                         cpi->transport = XPORT_SPI;
3555                         cpi->transport_version = 2;
3556                 }
3557                 cpi->protocol = PROTO_SCSI;
3558                 cpi->protocol_version = SCSI_REV_2;
3559                 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
3560                 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
3561                 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
3562                 cpi->unit_number = cam_sim_unit(sim);
3563                 cpi->ccb_h.status = CAM_REQ_CMP;
3564                 xpt_done(ccb);
3565                 break;
3566         }
3567         default:
3568                 ccb->ccb_h.status = CAM_REQ_INVALID;
3569                 xpt_done(ccb);
3570                 break;
3571         }
3572 }
3573
3574 void
3575 isp_done(XS_T *sccb)
3576 {
3577         ispsoftc_t *isp = XS_ISP(sccb);
3578         uint32_t status;
3579
3580         if (XS_NOERR(sccb))
3581                 XS_SETERR(sccb, CAM_REQ_CMP);
3582
3583         if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
3584                 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
3585                 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
3586                         sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
3587                 } else {
3588                         sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
3589                 }
3590         }
3591
3592         sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
3593         status = sccb->ccb_h.status & CAM_STATUS_MASK;
3594         if (status != CAM_REQ_CMP &&
3595             (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
3596                 sccb->ccb_h.status |= CAM_DEV_QFRZN;
3597                 xpt_freeze_devq(sccb->ccb_h.path, 1);
3598         }
3599
3600         if (ISP_PCMD(sccb)) {
3601                 if (callout_active(&PISP_PCMD(sccb)->wdog))
3602                         callout_stop(&PISP_PCMD(sccb)->wdog);
3603                 isp_free_pcmd(isp, (union ccb *) sccb);
3604         }
3605         xpt_done((union ccb *) sccb);
3606 }
3607
3608 void
3609 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
3610 {
3611         int bus;
3612         static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s";
3613         char buf[64];
3614         char *msg = NULL;
3615         target_id_t tgt;
3616         fcportdb_t *lp;
3617         struct isp_fc *fc;
3618         struct cam_path *tmppath;
3619         struct ac_contract ac;
3620         struct ac_device_changed *adc;
3621         va_list ap;
3622
3623         switch (cmd) {
3624         case ISPASYNC_NEW_TGT_PARAMS:
3625         {
3626                 struct ccb_trans_settings_scsi *scsi;
3627                 struct ccb_trans_settings_spi *spi;
3628                 int flags, tgt;
3629                 sdparam *sdp;
3630                 struct ccb_trans_settings cts;
3631
3632                 memset(&cts, 0, sizeof (struct ccb_trans_settings));
3633
3634                 va_start(ap, cmd);
3635                 bus = va_arg(ap, int);
3636                 tgt = va_arg(ap, int);
3637                 va_end(ap);
3638                 sdp = SDPARAM(isp, bus);
3639
3640                 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
3641                         isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
3642                         break;
3643                 }
3644                 flags = sdp->isp_devparam[tgt].actv_flags;
3645                 cts.type = CTS_TYPE_CURRENT_SETTINGS;
3646                 cts.protocol = PROTO_SCSI;
3647                 cts.transport = XPORT_SPI;
3648
3649                 scsi = &cts.proto_specific.scsi;
3650                 spi = &cts.xport_specific.spi;
3651
3652                 if (flags & DPARM_TQING) {
3653                         scsi->valid |= CTS_SCSI_VALID_TQ;
3654                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3655                 }
3656
3657                 if (flags & DPARM_DISC) {
3658                         spi->valid |= CTS_SPI_VALID_DISC;
3659                         spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3660                 }
3661                 spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
3662                 if (flags & DPARM_WIDE) {
3663                         spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3664                 } else {
3665                         spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3666                 }
3667                 if (flags & DPARM_SYNC) {
3668                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3669                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3670                         spi->sync_period = sdp->isp_devparam[tgt].actv_period;
3671                         spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
3672                 }
3673                 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);
3674                 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
3675                 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
3676                 xpt_free_path(tmppath);
3677                 break;
3678         }
3679         case ISPASYNC_BUS_RESET:
3680         {
3681                 va_start(ap, cmd);
3682                 bus = va_arg(ap, int);
3683                 va_end(ap);
3684                 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
3685                 if (IS_FC(isp)) {
3686                         xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
3687                 } else {
3688                         xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
3689                 }
3690                 break;
3691         }
3692         case ISPASYNC_LIP:
3693                 if (msg == NULL)
3694                         msg = "LIP Received";
3695                 /* FALLTHROUGH */
3696         case ISPASYNC_LOOP_RESET:
3697                 if (msg == NULL)
3698                         msg = "LOOP Reset";
3699                 /* FALLTHROUGH */
3700         case ISPASYNC_LOOP_DOWN:
3701                 if (msg == NULL)
3702                         msg = "LOOP Down";
3703                 va_start(ap, cmd);
3704                 bus = va_arg(ap, int);
3705                 va_end(ap);
3706                 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0);
3707                 isp_loop_changed(isp, bus);
3708                 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
3709                 break;
3710         case ISPASYNC_LOOP_UP:
3711                 va_start(ap, cmd);
3712                 bus = va_arg(ap, int);
3713                 va_end(ap);
3714                 isp_loop_changed(isp, bus);
3715                 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
3716                 break;
3717         case ISPASYNC_DEV_ARRIVED:
3718                 va_start(ap, cmd);
3719                 bus = va_arg(ap, int);
3720                 lp = va_arg(ap, fcportdb_t *);
3721                 va_end(ap);
3722                 fc = ISP_FC_PC(isp, bus);
3723                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3724                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
3725                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived");
3726                 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
3727                     (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
3728                         lp->is_target = 1;
3729                         isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3730                         isp_make_here(isp, lp, bus, tgt);
3731                 }
3732                 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
3733                     (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) {
3734                         lp->is_initiator = 1;
3735                         ac.contract_number = AC_CONTRACT_DEV_CHG;
3736                         adc = (struct ac_device_changed *) ac.contract_data;
3737                         adc->wwpn = lp->port_wwn;
3738                         adc->port = lp->portid;
3739                         adc->target = tgt;
3740                         adc->arrived = 1;
3741                         xpt_async(AC_CONTRACT, fc->path, &ac);
3742                 }
3743                 break;
3744         case ISPASYNC_DEV_CHANGED:
3745                 va_start(ap, cmd);
3746                 bus = va_arg(ap, int);
3747                 lp = va_arg(ap, fcportdb_t *);
3748                 va_end(ap);
3749                 fc = ISP_FC_PC(isp, bus);
3750                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3751                 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3);
3752                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed");
3753 changed:
3754                 if (lp->is_target !=
3755                     ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
3756                      (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) {
3757                         lp->is_target = !lp->is_target;
3758                         if (lp->is_target) {
3759                                 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3760                                 isp_make_here(isp, lp, bus, tgt);
3761                         } else {
3762                                 isp_make_gone(isp, lp, bus, tgt);
3763                                 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3764                         }
3765                 }
3766                 if (lp->is_initiator !=
3767                     ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
3768                      (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) {
3769                         lp->is_initiator = !lp->is_initiator;
3770                         ac.contract_number = AC_CONTRACT_DEV_CHG;
3771                         adc = (struct ac_device_changed *) ac.contract_data;
3772                         adc->wwpn = lp->port_wwn;
3773                         adc->port = lp->portid;
3774                         adc->target = tgt;
3775                         adc->arrived = lp->is_initiator;
3776                         xpt_async(AC_CONTRACT, fc->path, &ac);
3777                 }
3778                 break;
3779         case ISPASYNC_DEV_STAYED:
3780                 va_start(ap, cmd);
3781                 bus = va_arg(ap, int);
3782                 lp = va_arg(ap, fcportdb_t *);
3783                 va_end(ap);
3784                 fc = ISP_FC_PC(isp, bus);
3785                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3786                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
3787                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed");
3788                 goto changed;
3789         case ISPASYNC_DEV_GONE:
3790                 va_start(ap, cmd);
3791                 bus = va_arg(ap, int);
3792                 lp = va_arg(ap, fcportdb_t *);
3793                 va_end(ap);
3794                 fc = ISP_FC_PC(isp, bus);
3795                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3796                 /*
3797                  * If this has a virtual target or initiator set the isp_gdt
3798                  * timer running on it to delay its departure.
3799                  */
3800                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
3801                 if (lp->is_target || lp->is_initiator) {
3802                         lp->state = FC_PORTDB_STATE_ZOMBIE;
3803                         lp->gone_timer = fc->gone_device_time;
3804                         isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie");
3805                         if (fc->ready && !callout_active(&fc->gdt)) {
3806                                 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);
3807                                 callout_reset(&fc->gdt, hz, isp_gdt, fc);
3808                         }
3809                         break;
3810                 }
3811                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone");
3812                 break;
3813         case ISPASYNC_CHANGE_NOTIFY:
3814         {
3815                 char *msg;
3816                 int evt, nphdl, nlstate, portid, reason;
3817
3818                 va_start(ap, cmd);
3819                 bus = va_arg(ap, int);
3820                 evt = va_arg(ap, int);
3821                 if (evt == ISPASYNC_CHANGE_PDB) {
3822                         nphdl = va_arg(ap, int);
3823                         nlstate = va_arg(ap, int);
3824                         reason = va_arg(ap, int);
3825                 } else if (evt == ISPASYNC_CHANGE_SNS) {
3826                         portid = va_arg(ap, int);
3827                 } else {
3828                         nphdl = NIL_HANDLE;
3829                         nlstate = reason = 0;
3830                 }
3831                 va_end(ap);
3832                 fc = ISP_FC_PC(isp, bus);
3833
3834                 if (evt == ISPASYNC_CHANGE_PDB) {
3835                         msg = "Port Database Changed";
3836                         isp_prt(isp, ISP_LOGINFO,
3837                             "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)",
3838                             bus, msg, nphdl, nlstate, reason);
3839                 } else if (evt == ISPASYNC_CHANGE_SNS) {
3840                         msg = "Name Server Database Changed";
3841                         isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)",
3842                             bus, msg, portid);
3843                 } else {
3844                         msg = "Other Change Notify";
3845                         isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
3846                 }
3847                 isp_loop_changed(isp, bus);
3848                 break;
3849         }
3850 #ifdef  ISP_TARGET_MODE
3851         case ISPASYNC_TARGET_NOTIFY:
3852         {
3853                 isp_notify_t *notify;
3854                 va_start(ap, cmd);
3855                 notify = va_arg(ap, isp_notify_t *);
3856                 va_end(ap);
3857                 switch (notify->nt_ncode) {
3858                 case NT_ABORT_TASK:
3859                 case NT_ABORT_TASK_SET:
3860                 case NT_CLEAR_ACA:
3861                 case NT_CLEAR_TASK_SET:
3862                 case NT_LUN_RESET:
3863                 case NT_TARGET_RESET:
3864                 case NT_QUERY_TASK_SET:
3865                 case NT_QUERY_ASYNC_EVENT:
3866                         /*
3867                          * These are task management functions.
3868                          */
3869                         isp_handle_platform_target_tmf(isp, notify);
3870                         break;
3871                 case NT_BUS_RESET:
3872                 case NT_LIP_RESET:
3873                 case NT_LINK_UP:
3874                 case NT_LINK_DOWN:
3875                 case NT_HBA_RESET:
3876                         /*
3877                          * No action need be taken here.
3878                          */
3879                         break;
3880                 case NT_GLOBAL_LOGOUT:
3881                 case NT_LOGOUT:
3882                         /*
3883                          * This is device arrival/departure notification
3884                          */
3885                         isp_handle_platform_target_notify_ack(isp, notify, 0);
3886                         break;
3887                 case NT_SRR:
3888                         isp_handle_platform_srr(isp, notify);
3889                         break;
3890                 default:
3891                         isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
3892                         isp_handle_platform_target_notify_ack(isp, notify, 0);
3893                         break;
3894                 }
3895                 break;
3896         }
3897         case ISPASYNC_TARGET_NOTIFY_ACK:
3898         {
3899                 void *inot;
3900                 va_start(ap, cmd);
3901                 inot = va_arg(ap, void *);
3902                 va_end(ap);
3903                 if (isp_notify_ack(isp, inot)) {
3904                         isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
3905                         if (tp) {
3906                                 tp->isp = isp;
3907                                 memcpy(tp->data, inot, sizeof (tp->data));
3908                                 tp->not = tp->data;
3909                                 callout_init_mtx(&tp->timer, &isp->isp_lock, 0);
3910                                 callout_reset(&tp->timer, 5,
3911                                     isp_refire_notify_ack, tp);
3912                         } else {
3913                                 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
3914                         }
3915                 }
3916                 break;
3917         }
3918         case ISPASYNC_TARGET_ACTION:
3919         {
3920                 isphdr_t *hp;
3921
3922                 va_start(ap, cmd);
3923                 hp = va_arg(ap, isphdr_t *);
3924                 va_end(ap);
3925                 switch (hp->rqs_entry_type) {
3926                 case RQSTYPE_ATIO:
3927                         isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
3928                         break;
3929                 case RQSTYPE_ATIO2:
3930                         isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
3931                         break;
3932                 case RQSTYPE_CTIO7:
3933                 case RQSTYPE_CTIO3:
3934                 case RQSTYPE_CTIO2:
3935                 case RQSTYPE_CTIO:
3936                         isp_handle_platform_ctio(isp, hp);
3937                         break;
3938                 default:
3939                         isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x",
3940                             __func__, hp->rqs_entry_type);
3941                         break;
3942                 }
3943                 break;
3944         }
3945 #endif
3946         case ISPASYNC_FW_CRASH:
3947         {
3948                 uint16_t mbox1, mbox6;
3949                 mbox1 = ISP_READ(isp, OUTMAILBOX1);
3950                 if (IS_DUALBUS(isp)) {
3951                         mbox6 = ISP_READ(isp, OUTMAILBOX6);
3952                 } else {
3953                         mbox6 = 0;
3954                 }
3955                 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
3956 #if 0
3957                 mbox1 = isp->isp_osinfo.mbox_sleep_ok;
3958                 isp->isp_osinfo.mbox_sleep_ok = 0;
3959                 isp_reinit(isp, 1);
3960                 isp->isp_osinfo.mbox_sleep_ok = mbox1;
3961                 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
3962 #endif
3963                 break;
3964         }
3965         default:
3966                 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
3967                 break;
3968         }
3969 }
3970
3971 uint64_t
3972 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
3973 {
3974         uint64_t seed;
3975         struct isp_fc *fc = ISP_FC_PC(isp, chan);
3976
3977         /* First try to use explicitly configured WWNs. */
3978         seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
3979         if (seed)
3980                 return (seed);
3981
3982         /* Otherwise try to use WWNs from NVRAM. */
3983         if (isactive) {
3984                 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram :
3985                     FCPARAM(isp, chan)->isp_wwpn_nvram;
3986                 if (seed)
3987                         return (seed);
3988         }
3989
3990         /* If still no WWNs, try to steal them from the first channel. */
3991         if (chan > 0) {
3992                 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn :
3993                     ISP_FC_PC(isp, 0)->def_wwpn;
3994                 if (seed == 0) {
3995                         seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram :
3996                             FCPARAM(isp, 0)->isp_wwpn_nvram;
3997                 }
3998         }
3999
4000         /* If still nothing -- improvise. */
4001         if (seed == 0) {
4002                 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev);
4003                 if (!iswwnn)
4004                         seed ^= 0x0100000000000000ULL;
4005         }
4006
4007         /* For additional channels we have to improvise even more. */
4008         if (!iswwnn && chan > 0) {
4009                 /*
4010                  * We'll stick our channel number plus one first into bits
4011                  * 57..59 and thence into bits 52..55 which allows for 8 bits
4012                  * of channel which is enough for our maximum of 255 channels.
4013                  */
4014                 seed ^= 0x0100000000000000ULL;
4015                 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56;
4016                 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
4017         }
4018         return (seed);
4019 }
4020
4021 void
4022 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
4023 {
4024         int loc;
4025         char lbuf[200];
4026         va_list ap;
4027
4028         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4029                 return;
4030         }
4031         snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
4032         loc = strlen(lbuf);
4033         va_start(ap, fmt);
4034         vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
4035         va_end(ap);
4036         printf("%s\n", lbuf);
4037 }
4038
4039 void
4040 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
4041 {
4042         va_list ap;
4043         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4044                 return;
4045         }
4046         xpt_print_path(xs->ccb_h.path);
4047         va_start(ap, fmt);
4048         vprintf(fmt, ap);
4049         va_end(ap);
4050         printf("\n");
4051 }
4052
4053 uint64_t
4054 isp_nanotime_sub(struct timespec *b, struct timespec *a)
4055 {
4056         uint64_t elapsed;
4057         struct timespec x = *b;
4058         timespecsub(&x, a);
4059         elapsed = GET_NANOSEC(&x);
4060         if (elapsed == 0)
4061                 elapsed++;
4062         return (elapsed);
4063 }
4064
4065 int
4066 isp_mbox_acquire(ispsoftc_t *isp)
4067 {
4068         if (isp->isp_osinfo.mboxbsy) {
4069                 return (1);
4070         } else {
4071                 isp->isp_osinfo.mboxcmd_done = 0;
4072                 isp->isp_osinfo.mboxbsy = 1;
4073                 return (0);
4074         }
4075 }
4076
4077 void
4078 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
4079 {
4080         u_int t, to;
4081
4082         to = (mbp->timeout == 0) ? MBCMD_DEFAULT_TIMEOUT : mbp->timeout;
4083         if (isp->isp_osinfo.mbox_sleep_ok) {
4084                 isp->isp_osinfo.mbox_sleep_ok = 0;
4085                 isp->isp_osinfo.mbox_sleeping = 1;
4086                 msleep_sbt(&isp->isp_osinfo.mboxcmd_done, &isp->isp_osinfo.lock,
4087                     PRIBIO, "ispmbx_sleep", to * SBT_1US, 0, 0);
4088                 isp->isp_osinfo.mbox_sleep_ok = 1;
4089                 isp->isp_osinfo.mbox_sleeping = 0;
4090         } else {
4091                 for (t = 0; t < to; t += 100) {
4092                         if (isp->isp_osinfo.mboxcmd_done)
4093                                 break;
4094                         ISP_RUN_ISR(isp);
4095                         if (isp->isp_osinfo.mboxcmd_done)
4096                                 break;
4097                         ISP_DELAY(100);
4098                 }
4099         }
4100         if (isp->isp_osinfo.mboxcmd_done == 0) {
4101                 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (%s:%d)",
4102                     isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled",
4103                     isp->isp_lastmbxcmd, to, mbp->func, mbp->lineno);
4104                 mbp->param[0] = MBOX_TIMEOUT;
4105                 isp->isp_osinfo.mboxcmd_done = 1;
4106         }
4107 }
4108
4109 void
4110 isp_mbox_notify_done(ispsoftc_t *isp)
4111 {
4112         isp->isp_osinfo.mboxcmd_done = 1;
4113         if (isp->isp_osinfo.mbox_sleeping)
4114                 wakeup(&isp->isp_osinfo.mboxcmd_done);
4115 }
4116
4117 void
4118 isp_mbox_release(ispsoftc_t *isp)
4119 {
4120         isp->isp_osinfo.mboxbsy = 0;
4121 }
4122
4123 int
4124 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
4125 {
4126         int ret = 0;
4127         if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
4128                 ret = -1;
4129         } else {
4130                 isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
4131         }
4132         return (ret);
4133 }
4134
4135 int
4136 isp_mstohz(int ms)
4137 {
4138         int hz;
4139         struct timeval t;
4140         t.tv_sec = ms / 1000;
4141         t.tv_usec = (ms % 1000) * 1000;
4142         hz = tvtohz(&t);
4143         if (hz < 0) {
4144                 hz = 0x7fffffff;
4145         }
4146         if (hz == 0) {
4147                 hz = 1;
4148         }
4149         return (hz);
4150 }
4151
4152 void
4153 isp_platform_intr(void *arg)
4154 {
4155         ispsoftc_t *isp = arg;
4156
4157         ISP_LOCK(isp);
4158         ISP_RUN_ISR(isp);
4159         ISP_UNLOCK(isp);
4160 }
4161
4162 void
4163 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
4164 {
4165         if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
4166                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
4167         } else {
4168                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
4169         }
4170         bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
4171 }
4172
4173 /*
4174  * Reset the command reference number for all LUNs on a specific target
4175  * (needed when a target arrives again) or for all targets on a port
4176  * (needed for events like a LIP).
4177  */
4178 void
4179 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set)
4180 {
4181         struct isp_fc *fc = ISP_FC_PC(isp, chan);
4182         struct isp_nexus *nxp;
4183         int i;
4184
4185         if (tgt_set == 0)
4186                 isp_prt(isp, ISP_LOGDEBUG0,
4187                     "Chan %d resetting CRN on all targets", chan);
4188         else
4189                 isp_prt(isp, ISP_LOGDEBUG0,
4190                     "Chan %d resetting CRN on target %u", chan, tgt);
4191
4192         for (i = 0; i < NEXUS_HASH_WIDTH; i++) {
4193                 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) {
4194                         if (tgt_set == 0 || tgt == nxp->tgt)
4195                                 nxp->crnseed = 0;
4196                 }
4197         }
4198 }
4199
4200 int
4201 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
4202 {
4203         lun_id_t lun;
4204         uint32_t chan, tgt;
4205         struct isp_fc *fc;
4206         struct isp_nexus *nxp;
4207         int idx;
4208
4209         if (IS_2100(isp))
4210                 return (0);
4211
4212         chan = XS_CHANNEL(cmd);
4213         tgt = XS_TGT(cmd);
4214         lun = XS_LUN(cmd);
4215         fc = &isp->isp_osinfo.pc.fc[chan];
4216         idx = NEXUS_HASH(tgt, lun);
4217         nxp = fc->nexus_hash[idx];
4218
4219         while (nxp) {
4220                 if (nxp->tgt == tgt && nxp->lun == lun)
4221                         break;
4222                 nxp = nxp->next;
4223         }
4224         if (nxp == NULL) {
4225                 nxp = fc->nexus_free_list;
4226                 if (nxp == NULL) {
4227                         nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
4228                         if (nxp == NULL) {
4229                                 return (-1);
4230                         }
4231                 } else {
4232                         fc->nexus_free_list = nxp->next;
4233                 }
4234                 nxp->tgt = tgt;
4235                 nxp->lun = lun;
4236                 nxp->next = fc->nexus_hash[idx];
4237                 fc->nexus_hash[idx] = nxp;
4238         }
4239         if (nxp->crnseed == 0)
4240                 nxp->crnseed = 1;
4241         PISP_PCMD(cmd)->crn = nxp->crnseed;
4242         *crnp = nxp->crnseed++;
4243         return (0);
4244 }
4245
4246 /*
4247  * We enter with the lock held
4248  */
4249 void
4250 isp_timer(void *arg)
4251 {
4252         ispsoftc_t *isp = arg;
4253 #ifdef  ISP_TARGET_MODE
4254         isp_tmcmd_restart(isp);
4255 #endif
4256         callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
4257 }
4258
4259 isp_ecmd_t *
4260 isp_get_ecmd(ispsoftc_t *isp)
4261 {
4262         isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
4263         if (ecmd) {
4264                 isp->isp_osinfo.ecmd_free = ecmd->next;
4265         }
4266         return (ecmd);
4267 }
4268
4269 void
4270 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
4271 {
4272         ecmd->next = isp->isp_osinfo.ecmd_free;
4273         isp->isp_osinfo.ecmd_free = ecmd;
4274 }