sys/dev/isp/isp_freebsd.c

   1 /*-
   2  * Copyright (c) 1997-2009 by Matthew Jacob
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice immediately at the beginning of the file, without modification,
  10  *    this list of conditions, and the following disclaimer.
  11  * 2. The name of the author may not be used to endorse or promote products
  12  *    derived from this software without specific prior written permission.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  18  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 /*
  28  * Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
  29  */
  30 #include <sys/cdefs.h>
  31 __FBSDID("$FreeBSD$");
  32
  33 #include <dev/isp/isp_freebsd.h>
  34 #include <sys/unistd.h>
  35 #include <sys/kthread.h>
  36 #include <sys/conf.h>
  37 #include <sys/module.h>
  38 #include <sys/ioccom.h>
  39 #include <dev/isp/isp_ioctl.h>
  40 #include <sys/devicestat.h>
  41 #include <cam/cam_periph.h>
  42 #include <cam/cam_xpt_periph.h>
  43
  44 MODULE_VERSION(isp, 1);
  45 MODULE_DEPEND(isp, cam, 1, 1, 1);
  46 int isp_announced = 0;
  47 int isp_loop_down_limit = 60;   /* default loop down limit */
  48 int isp_quickboot_time = 7;     /* don't wait more than N secs for loop up */
  49 int isp_gone_device_time = 30;  /* grace time before reporting device lost */
  50 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s";
  51
  52 static void isp_freeze_loopdown(ispsoftc_t *, int);
  53 static void isp_loop_changed(ispsoftc_t *isp, int chan);
  54 static d_ioctl_t ispioctl;
  55 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
  56 static void isp_poll(struct cam_sim *);
  57 static timeout_t isp_watchdog;
  58 static timeout_t isp_gdt;
  59 static task_fn_t isp_gdt_task;
  60 static void isp_kthread(void *);
  61 static void isp_action(struct cam_sim *, union ccb *);
  62 static int isp_timer_count;
  63 static void isp_timer(void *);
  64
  65 static struct cdevsw isp_cdevsw = {
  66         .d_version =    D_VERSION,
  67         .d_ioctl =      ispioctl,
  68         .d_name =       "isp",
  69 };
  70
  71 static int
  72 isp_role_sysctl(SYSCTL_HANDLER_ARGS)
  73 {
  74         ispsoftc_t *isp = (ispsoftc_t *)arg1;
  75         int chan = arg2;
  76         int error, old, value;
  77
  78         value = FCPARAM(isp, chan)->role;
  79
  80         error = sysctl_handle_int(oidp, &value, 0, req);
  81         if ((error != 0) || (req->newptr == NULL))
  82                 return (error);
  83
  84         if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH)
  85                 return (EINVAL);
  86
  87         ISP_LOCK(isp);
  88         old = FCPARAM(isp, chan)->role;
  89
  90         /* We don't allow target mode switch from here. */
  91         value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR);
  92
  93         /* If nothing has changed -- we are done. */
  94         if (value == old) {
  95                 ISP_UNLOCK(isp);
  96                 return (0);
  97         }
  98
  99         /* Actually change the role. */
 100         error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value);
 101         ISP_UNLOCK(isp);
 102         return (error);
 103 }
 104
 105 static int
 106 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
 107 {
 108         struct ccb_setasync csa;
 109         struct cam_sim *sim;
 110         struct cam_path *path;
 111 #ifdef  ISP_TARGET_MODE
 112         int i;
 113 #endif
 114
 115         sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
 116             device_get_unit(isp->isp_dev), &isp->isp_lock,
 117             isp->isp_maxcmds, isp->isp_maxcmds, devq);
 118         if (sim == NULL)
 119                 return (ENOMEM);
 120
 121         ISP_LOCK(isp);
 122         if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
 123                 ISP_UNLOCK(isp);
 124                 cam_sim_free(sim, FALSE);
 125                 return (EIO);
 126         }
 127         ISP_UNLOCK(isp);
 128         if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 129                 ISP_LOCK(isp);
 130                 xpt_bus_deregister(cam_sim_path(sim));
 131                 ISP_UNLOCK(isp);
 132                 cam_sim_free(sim, FALSE);
 133                 return (ENXIO);
 134         }
 135         xpt_setup_ccb(&csa.ccb_h, path, 5);
 136         csa.ccb_h.func_code = XPT_SASYNC_CB;
 137         csa.event_enable = AC_LOST_DEVICE;
 138         csa.callback = isp_cam_async;
 139         csa.callback_arg = sim;
 140
 141         ISP_LOCK(isp);
 142         xpt_action((union ccb *)&csa);
 143         ISP_UNLOCK(isp);
 144
 145         if (IS_SCSI(isp)) {
 146                 struct isp_spi *spi = ISP_SPI_PC(isp, chan);
 147                 spi->sim = sim;
 148                 spi->path = path;
 149 #ifdef  ISP_TARGET_MODE
 150                 TAILQ_INIT(&spi->waitq);
 151                 STAILQ_INIT(&spi->ntfree);
 152                 for (i = 0; i < ATPDPSIZE; i++)
 153                         STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next);
 154                 LIST_INIT(&spi->atfree);
 155                 for (i = ATPDPSIZE-1; i >= 0; i--)
 156                         LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next);
 157                 for (i = 0; i < ATPDPHASHSIZE; i++)
 158                         LIST_INIT(&spi->atused[i]);
 159 #endif
 160         } else {
 161                 fcparam *fcp = FCPARAM(isp, chan);
 162                 struct isp_fc *fc = ISP_FC_PC(isp, chan);
 163                 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
 164                 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
 165                 char name[16];
 166
 167                 ISP_LOCK(isp);
 168                 fc->sim = sim;
 169                 fc->path = path;
 170                 fc->isp = isp;
 171                 fc->ready = 1;
 172
 173                 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0);
 174                 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
 175 #ifdef  ISP_TARGET_MODE
 176                 TAILQ_INIT(&fc->waitq);
 177                 STAILQ_INIT(&fc->ntfree);
 178                 for (i = 0; i < ATPDPSIZE; i++)
 179                         STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next);
 180                 LIST_INIT(&fc->atfree);
 181                 for (i = ATPDPSIZE-1; i >= 0; i--)
 182                         LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next);
 183                 for (i = 0; i < ATPDPHASHSIZE; i++)
 184                         LIST_INIT(&fc->atused[i]);
 185 #endif
 186                 isp_loop_changed(isp, chan);
 187                 ISP_UNLOCK(isp);
 188                 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0,
 189                     "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
 190                         xpt_free_path(fc->path);
 191                         ISP_LOCK(isp);
 192                         xpt_bus_deregister(cam_sim_path(fc->sim));
 193                         ISP_UNLOCK(isp);
 194                         cam_sim_free(fc->sim, FALSE);
 195                         return (ENOMEM);
 196                 }
 197                 fc->num_threads += 1;
 198                 if (chan > 0) {
 199                         snprintf(name, sizeof(name), "chan%d", chan);
 200                         tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree),
 201                             OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel");
 202                 }
 203                 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 204                     "wwnn", CTLFLAG_RD, &fcp->isp_wwnn,
 205                     "World Wide Node Name");
 206                 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 207                     "wwpn", CTLFLAG_RD, &fcp->isp_wwpn,
 208                     "World Wide Port Name");
 209                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 210                     "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0,
 211                     "Loop Down Limit");
 212                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 213                     "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0,
 214                     "Gone Device Time");
 215 #if defined(ISP_TARGET_MODE) && defined(DEBUG)
 216                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 217                     "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0,
 218                     "Cause a Lost Frame on a Read");
 219 #endif
 220                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 221                     "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan,
 222                     isp_role_sysctl, "I", "Current role");
 223                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 224                     "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0,
 225                     "Connection speed in gigabits");
 226                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 227                     "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0,
 228                     "Link state");
 229                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 230                     "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0,
 231                     "Firmware state");
 232                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 233                     "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0,
 234                     "Loop state");
 235                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 236                     "topo", CTLFLAG_RD, &fcp->isp_topo, 0,
 237                     "Connection topology");
 238         }
 239         return (0);
 240 }
 241
 242 static void
 243 isp_detach_chan(ispsoftc_t *isp, int chan)
 244 {
 245         struct cam_sim *sim;
 246         struct cam_path *path;
 247         struct ccb_setasync csa;
 248         int *num_threads;
 249
 250         ISP_GET_PC(isp, chan, sim, sim);
 251         ISP_GET_PC(isp, chan, path, path);
 252         ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads);
 253
 254         xpt_setup_ccb(&csa.ccb_h, path, 5);
 255         csa.ccb_h.func_code = XPT_SASYNC_CB;
 256         csa.event_enable = 0;
 257         csa.callback = isp_cam_async;
 258         csa.callback_arg = sim;
 259         xpt_action((union ccb *)&csa);
 260         xpt_free_path(path);
 261         xpt_bus_deregister(cam_sim_path(sim));
 262         cam_sim_free(sim, FALSE);
 263
 264         /* Wait for the channel's spawned threads to exit. */
 265         wakeup(isp->isp_osinfo.pc.ptr);
 266         while (*num_threads != 0)
 267                 mtx_sleep(isp, &isp->isp_lock, PRIBIO, "isp_reap", 100);
 268 }
 269
 270 int
 271 isp_attach(ispsoftc_t *isp)
 272 {
 273         const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
 274         int du = device_get_unit(isp->isp_dev);
 275         int chan;
 276
 277         /*
 278          * Create the device queue for our SIM(s).
 279          */
 280         isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
 281         if (isp->isp_osinfo.devq == NULL) {
 282                 return (EIO);
 283         }
 284
 285         for (chan = 0; chan < isp->isp_nchan; chan++) {
 286                 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
 287                         goto unwind;
 288                 }
 289         }
 290
 291         callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0);
 292         isp_timer_count = hz >> 2;
 293         callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
 294
 295         isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
 296         if (isp->isp_osinfo.cdev) {
 297                 isp->isp_osinfo.cdev->si_drv1 = isp;
 298         }
 299         return (0);
 300
 301 unwind:
 302         while (--chan >= 0) {
 303                 struct cam_sim *sim;
 304                 struct cam_path *path;
 305
 306                 ISP_GET_PC(isp, chan, sim, sim);
 307                 ISP_GET_PC(isp, chan, path, path);
 308                 xpt_free_path(path);
 309                 ISP_LOCK(isp);
 310                 xpt_bus_deregister(cam_sim_path(sim));
 311                 ISP_UNLOCK(isp);
 312                 cam_sim_free(sim, FALSE);
 313         }
 314         cam_simq_free(isp->isp_osinfo.devq);
 315         isp->isp_osinfo.devq = NULL;
 316         return (-1);
 317 }
 318
 319 int
 320 isp_detach(ispsoftc_t *isp)
 321 {
 322         int chan;
 323
 324         if (isp->isp_osinfo.cdev) {
 325                 destroy_dev(isp->isp_osinfo.cdev);
 326                 isp->isp_osinfo.cdev = NULL;
 327         }
 328         ISP_LOCK(isp);
 329         /* Tell spawned threads that we're exiting. */
 330         isp->isp_osinfo.is_exiting = 1;
 331         for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1)
 332                 isp_detach_chan(isp, chan);
 333         ISP_UNLOCK(isp);
 334         callout_drain(&isp->isp_osinfo.tmo);
 335         cam_simq_free(isp->isp_osinfo.devq);
 336         return (0);
 337 }
 338
 339 static void
 340 isp_freeze_loopdown(ispsoftc_t *isp, int chan)
 341 {
 342         struct isp_fc *fc = ISP_FC_PC(isp, chan);
 343
 344         if (fc->sim == NULL)
 345                 return;
 346         if (fc->simqfrozen == 0) {
 347                 isp_prt(isp, ISP_LOGDEBUG0,
 348                     "Chan %d Freeze simq (loopdown)", chan);
 349                 fc->simqfrozen = SIMQFRZ_LOOPDOWN;
 350                 xpt_hold_boot();
 351                 xpt_freeze_simq(fc->sim, 1);
 352         } else {
 353                 isp_prt(isp, ISP_LOGDEBUG0,
 354                     "Chan %d Mark simq frozen (loopdown)", chan);
 355                 fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
 356         }
 357 }
 358
 359 static void
 360 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
 361 {
 362         struct isp_fc *fc = ISP_FC_PC(isp, chan);
 363
 364         if (fc->sim == NULL)
 365                 return;
 366         int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
 367         fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
 368         if (wasfrozen && fc->simqfrozen == 0) {
 369                 isp_prt(isp, ISP_LOGDEBUG0,
 370                     "Chan %d Release simq", chan);
 371                 xpt_release_simq(fc->sim, 1);
 372                 xpt_release_boot();
 373         }
 374 }
 375
 376 static int
 377 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
 378 {
 379         ispsoftc_t *isp;
 380         int nr, chan, retval = ENOTTY;
 381
 382         isp = dev->si_drv1;
 383
 384         switch (c) {
 385         case ISP_SDBLEV:
 386         {
 387                 int olddblev = isp->isp_dblev;
 388                 isp->isp_dblev = *(int *)addr;
 389                 *(int *)addr = olddblev;
 390                 retval = 0;
 391                 break;
 392         }
 393         case ISP_GETROLE:
 394                 chan = *(int *)addr;
 395                 if (chan < 0 || chan >= isp->isp_nchan) {
 396                         retval = -ENXIO;
 397                         break;
 398                 }
 399                 if (IS_FC(isp)) {
 400                         *(int *)addr = FCPARAM(isp, chan)->role;
 401                 } else {
 402                         *(int *)addr = ISP_ROLE_INITIATOR;
 403                 }
 404                 retval = 0;
 405                 break;
 406         case ISP_SETROLE:
 407                 if (IS_SCSI(isp))
 408                         break;
 409                 nr = *(int *)addr;
 410                 chan = nr >> 8;
 411                 if (chan < 0 || chan >= isp->isp_nchan) {
 412                         retval = -ENXIO;
 413                         break;
 414                 }
 415                 nr &= 0xff;
 416                 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
 417                         retval = EINVAL;
 418                         break;
 419                 }
 420                 ISP_LOCK(isp);
 421                 *(int *)addr = FCPARAM(isp, chan)->role;
 422                 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr);
 423                 ISP_UNLOCK(isp);
 424                 retval = 0;
 425                 break;
 426
 427         case ISP_RESETHBA:
 428                 ISP_LOCK(isp);
 429                 isp_reinit(isp, 0);
 430                 ISP_UNLOCK(isp);
 431                 retval = 0;
 432                 break;
 433
 434         case ISP_RESCAN:
 435                 if (IS_FC(isp)) {
 436                         chan = *(int *)addr;
 437                         if (chan < 0 || chan >= isp->isp_nchan) {
 438                                 retval = -ENXIO;
 439                                 break;
 440                         }
 441                         ISP_LOCK(isp);
 442                         if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) {
 443                                 retval = EIO;
 444                         } else {
 445                                 retval = 0;
 446                         }
 447                         ISP_UNLOCK(isp);
 448                 }
 449                 break;
 450
 451         case ISP_FC_LIP:
 452                 if (IS_FC(isp)) {
 453                         chan = *(int *)addr;
 454                         if (chan < 0 || chan >= isp->isp_nchan) {
 455                                 retval = -ENXIO;
 456                                 break;
 457                         }
 458                         ISP_LOCK(isp);
 459                         if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
 460                                 retval = EIO;
 461                         } else {
 462                                 retval = 0;
 463                         }
 464                         ISP_UNLOCK(isp);
 465                 }
 466                 break;
 467         case ISP_FC_GETDINFO:
 468         {
 469                 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
 470                 fcportdb_t *lp;
 471
 472                 if (IS_SCSI(isp)) {
 473                         break;
 474                 }
 475                 if (ifc->loopid >= MAX_FC_TARG) {
 476                         retval = EINVAL;
 477                         break;
 478                 }
 479                 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
 480                 if (lp->state != FC_PORTDB_STATE_NIL) {
 481                         ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
 482                         ifc->loopid = lp->handle;
 483                         ifc->portid = lp->portid;
 484                         ifc->node_wwn = lp->node_wwn;
 485                         ifc->port_wwn = lp->port_wwn;
 486                         retval = 0;
 487                 } else {
 488                         retval = ENODEV;
 489                 }
 490                 break;
 491         }
 492         case ISP_FC_GETHINFO:
 493         {
 494                 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
 495                 int chan = hba->fc_channel;
 496
 497                 if (chan < 0 || chan >= isp->isp_nchan) {
 498                         retval = ENXIO;
 499                         break;
 500                 }
 501                 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
 502                 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
 503                 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
 504                 hba->fc_nchannels = isp->isp_nchan;
 505                 if (IS_FC(isp)) {
 506                         hba->fc_nports = MAX_FC_TARG;
 507                         hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
 508                         hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
 509                         hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
 510                         hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
 511                         hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
 512                         hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
 513                         hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
 514                 } else {
 515                         hba->fc_nports = MAX_TARGETS;
 516                         hba->fc_speed = 0;
 517                         hba->fc_topology = 0;
 518                         hba->nvram_node_wwn = 0ull;
 519                         hba->nvram_port_wwn = 0ull;
 520                         hba->active_node_wwn = 0ull;
 521                         hba->active_port_wwn = 0ull;
 522                 }
 523                 retval = 0;
 524                 break;
 525         }
 526         case ISP_TSK_MGMT:
 527         {
 528                 int needmarker;
 529                 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
 530                 uint16_t nphdl;
 531                 mbreg_t mbs;
 532
 533                 if (IS_SCSI(isp)) {
 534                         break;
 535                 }
 536
 537                 chan = fct->chan;
 538                 if (chan < 0 || chan >= isp->isp_nchan) {
 539                         retval = -ENXIO;
 540                         break;
 541                 }
 542
 543                 needmarker = retval = 0;
 544                 nphdl = fct->loopid;
 545                 ISP_LOCK(isp);
 546                 if (IS_24XX(isp)) {
 547                         void *reqp;
 548                         uint8_t resp[QENTRY_LEN];
 549                         isp24xx_tmf_t tmf;
 550                         isp24xx_statusreq_t sp;
 551                         fcparam *fcp = FCPARAM(isp, chan);
 552                         fcportdb_t *lp;
 553                         int i;
 554
 555                         for (i = 0; i < MAX_FC_TARG; i++) {
 556                                 lp = &fcp->portdb[i];
 557                                 if (lp->handle == nphdl) {
 558                                         break;
 559                                 }
 560                         }
 561                         if (i == MAX_FC_TARG) {
 562                                 retval = ENXIO;
 563                                 ISP_UNLOCK(isp);
 564                                 break;
 565                         }
 566                         ISP_MEMZERO(&tmf, sizeof(tmf));
 567                         tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
 568                         tmf.tmf_header.rqs_entry_count = 1;
 569                         tmf.tmf_nphdl = lp->handle;
 570                         tmf.tmf_delay = 2;
 571                         tmf.tmf_timeout = 4;
 572                         tmf.tmf_tidlo = lp->portid;
 573                         tmf.tmf_tidhi = lp->portid >> 16;
 574                         tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan);
 575                         tmf.tmf_lun[1] = fct->lun & 0xff;
 576                         if (fct->lun >= 256) {
 577                                 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8);
 578                         }
 579                         switch (fct->action) {
 580                         case IPT_CLEAR_ACA:
 581                                 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA;
 582                                 break;
 583                         case IPT_TARGET_RESET:
 584                                 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET;
 585                                 needmarker = 1;
 586                                 break;
 587                         case IPT_LUN_RESET:
 588                                 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET;
 589                                 needmarker = 1;
 590                                 break;
 591                         case IPT_CLEAR_TASK_SET:
 592                                 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
 593                                 needmarker = 1;
 594                                 break;
 595                         case IPT_ABORT_TASK_SET:
 596                                 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
 597                                 needmarker = 1;
 598                                 break;
 599                         default:
 600                                 retval = EINVAL;
 601                                 break;
 602                         }
 603                         if (retval) {
 604                                 ISP_UNLOCK(isp);
 605                                 break;
 606                         }
 607
 608                         /* Prepare space for response in memory */
 609                         memset(resp, 0xff, sizeof(resp));
 610                         tmf.tmf_handle = isp_allocate_handle(isp, resp,
 611                             ISP_HANDLE_CTRL);
 612                         if (tmf.tmf_handle == 0) {
 613                                 isp_prt(isp, ISP_LOGERR,
 614                                     "%s: TMF of Chan %d out of handles",
 615                                     __func__, chan);
 616                                 ISP_UNLOCK(isp);
 617                                 retval = ENOMEM;
 618                                 break;
 619                         }
 620
 621                         /* Send request and wait for response. */
 622                         reqp = isp_getrqentry(isp);
 623                         if (reqp == NULL) {
 624                                 isp_prt(isp, ISP_LOGERR,
 625                                     "%s: TMF of Chan %d out of rqent",
 626                                     __func__, chan);
 627                                 isp_destroy_handle(isp, tmf.tmf_handle);
 628                                 ISP_UNLOCK(isp);
 629                                 retval = EIO;
 630                                 break;
 631                         }
 632                         isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp);
 633                         if (isp->isp_dblev & ISP_LOGDEBUG1)
 634                                 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp);
 635                         ISP_SYNC_REQUEST(isp);
 636                         if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) {
 637                                 isp_prt(isp, ISP_LOGERR,
 638                                     "%s: TMF of Chan %d timed out",
 639                                     __func__, chan);
 640                                 isp_destroy_handle(isp, tmf.tmf_handle);
 641                                 ISP_UNLOCK(isp);
 642                                 retval = EIO;
 643                                 break;
 644                         }
 645                         if (isp->isp_dblev & ISP_LOGDEBUG1)
 646                                 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp);
 647                         isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp);
 648
 649                         if (sp.req_completion_status != 0)
 650                                 retval = EIO;
 651                         else if (needmarker)
 652                                 fcp->sendmarker = 1;
 653                 } else {
 654                         MBSINIT(&mbs, 0, MBLOGALL, 0);
 655                         if (ISP_CAP_2KLOGIN(isp) == 0) {
 656                                 nphdl <<= 8;
 657                         }
 658                         switch (fct->action) {
 659                         case IPT_CLEAR_ACA:
 660                                 mbs.param[0] = MBOX_CLEAR_ACA;
 661                                 mbs.param[1] = nphdl;
 662                                 mbs.param[2] = fct->lun;
 663                                 break;
 664                         case IPT_TARGET_RESET:
 665                                 mbs.param[0] = MBOX_TARGET_RESET;
 666                                 mbs.param[1] = nphdl;
 667                                 needmarker = 1;
 668                                 break;
 669                         case IPT_LUN_RESET:
 670                                 mbs.param[0] = MBOX_LUN_RESET;
 671                                 mbs.param[1] = nphdl;
 672                                 mbs.param[2] = fct->lun;
 673                                 needmarker = 1;
 674                                 break;
 675                         case IPT_CLEAR_TASK_SET:
 676                                 mbs.param[0] = MBOX_CLEAR_TASK_SET;
 677                                 mbs.param[1] = nphdl;
 678                                 mbs.param[2] = fct->lun;
 679                                 needmarker = 1;
 680                                 break;
 681                         case IPT_ABORT_TASK_SET:
 682                                 mbs.param[0] = MBOX_ABORT_TASK_SET;
 683                                 mbs.param[1] = nphdl;
 684                                 mbs.param[2] = fct->lun;
 685                                 needmarker = 1;
 686                                 break;
 687                         default:
 688                                 retval = EINVAL;
 689                                 break;
 690                         }
 691                         if (retval == 0) {
 692                                 if (needmarker) {
 693                                         FCPARAM(isp, chan)->sendmarker = 1;
 694                                 }
 695                                 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
 696                                 if (retval) {
 697                                         retval = EIO;
 698                                 }
 699                         }
 700                 }
 701                 ISP_UNLOCK(isp);
 702                 break;
 703         }
 704         default:
 705                 break;
 706         }
 707         return (retval);
 708 }
 709
 710 /*
 711  * Local Inlines
 712  */
 713
 714 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
 715 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
 716
 717 static ISP_INLINE int
 718 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
 719 {
 720         ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
 721         if (ISP_PCMD(ccb) == NULL) {
 722                 return (-1);
 723         }
 724         isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
 725         return (0);
 726 }
 727
 728 static ISP_INLINE void
 729 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
 730 {
 731         if (ISP_PCMD(ccb)) {
 732 #ifdef  ISP_TARGET_MODE
 733                 PISP_PCMD(ccb)->datalen = 0;
 734                 PISP_PCMD(ccb)->totslen = 0;
 735                 PISP_PCMD(ccb)->cumslen = 0;
 736                 PISP_PCMD(ccb)->crn = 0;
 737 #endif
 738                 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
 739                 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
 740                 ISP_PCMD(ccb) = NULL;
 741         }
 742 }
 743
 744 /*
 745  * Put the target mode functions here, because some are inlines
 746  */
 747 #ifdef  ISP_TARGET_MODE
 748 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
 749 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t);
 750 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t);
 751 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *);
 752 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int);
 753 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t);
 754 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *);
 755 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
 756 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *);
 757 static void isp_enable_lun(ispsoftc_t *, union ccb *);
 758 static void isp_disable_lun(ispsoftc_t *, union ccb *);
 759 static timeout_t isp_refire_putback_atio;
 760 static timeout_t isp_refire_notify_ack;
 761 static void isp_complete_ctio(union ccb *);
 762 static void isp_target_putback_atio(union ccb *);
 763 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
 764 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
 765 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
 766 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
 767 static void isp_handle_platform_ctio(ispsoftc_t *, void *);
 768 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp);
 769 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
 770 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t);
 771
 772 static ISP_INLINE tstate_t *
 773 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
 774 {
 775         tstate_t *tptr = NULL;
 776         struct tslist *lhp;
 777
 778         if (bus < isp->isp_nchan) {
 779                 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
 780                 SLIST_FOREACH(tptr, lhp, next) {
 781                         if (tptr->ts_lun == lun)
 782                                 return (tptr);
 783                 }
 784         }
 785         return (NULL);
 786 }
 787
 788 static int
 789 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr)
 790 {
 791         inot_private_data_t *ntp;
 792         struct ntpdlist rq;
 793
 794         if (STAILQ_EMPTY(&tptr->restart_queue))
 795                 return (0);
 796         STAILQ_INIT(&rq);
 797         STAILQ_CONCAT(&rq, &tptr->restart_queue);
 798         while ((ntp = STAILQ_FIRST(&rq)) != NULL) {
 799                 STAILQ_REMOVE_HEAD(&rq, next);
 800                 if (IS_24XX(isp)) {
 801                         isp_prt(isp, ISP_LOGTDEBUG0,
 802                             "%s: restarting resrc deprived %x", __func__,
 803                             ((at7_entry_t *)ntp->data)->at_rxid);
 804                         isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data);
 805                 } else {
 806                         isp_prt(isp, ISP_LOGTDEBUG0,
 807                             "%s: restarting resrc deprived %x", __func__,
 808                             ((at2_entry_t *)ntp->data)->at_rxid);
 809                         isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data);
 810                 }
 811                 isp_put_ntpd(isp, bus, ntp);
 812                 if (!STAILQ_EMPTY(&tptr->restart_queue))
 813                         break;
 814         }
 815         if (!STAILQ_EMPTY(&rq)) {
 816                 STAILQ_CONCAT(&rq, &tptr->restart_queue);
 817                 STAILQ_CONCAT(&tptr->restart_queue, &rq);
 818         }
 819         return (!STAILQ_EMPTY(&tptr->restart_queue));
 820 }
 821
 822 static void
 823 isp_tmcmd_restart(ispsoftc_t *isp)
 824 {
 825         tstate_t *tptr;
 826         union ccb *ccb;
 827         struct tslist *lhp;
 828         struct isp_ccbq *waitq;
 829         int bus, i;
 830
 831         for (bus = 0; bus < isp->isp_nchan; bus++) {
 832                 for (i = 0; i < LUN_HASH_SIZE; i++) {
 833                         ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
 834                         SLIST_FOREACH(tptr, lhp, next)
 835                                 isp_atio_restart(isp, bus, tptr);
 836                 }
 837
 838                 /*
 839                  * We only need to do this once per channel.
 840                  */
 841                 ISP_GET_PC_ADDR(isp, bus, waitq, waitq);
 842                 ccb = (union ccb *)TAILQ_FIRST(waitq);
 843                 if (ccb != NULL) {
 844                         TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe);
 845                         isp_target_start_ctio(isp, ccb, FROM_TIMER);
 846                 }
 847         }
 848 }
 849
 850 static atio_private_data_t *
 851 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
 852 {
 853         struct atpdlist *atfree;
 854         struct atpdlist *atused;
 855         atio_private_data_t *atp;
 856
 857         ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
 858         atp = LIST_FIRST(atfree);
 859         if (atp) {
 860                 LIST_REMOVE(atp, next);
 861                 atp->tag = tag;
 862                 ISP_GET_PC(isp, chan, atused, atused);
 863                 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next);
 864         }
 865         return (atp);
 866 }
 867
 868 static atio_private_data_t *
 869 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
 870 {
 871         struct atpdlist *atused;
 872         atio_private_data_t *atp;
 873
 874         ISP_GET_PC(isp, chan, atused, atused);
 875         LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) {
 876                 if (atp->tag == tag)
 877                         return (atp);
 878         }
 879         return (NULL);
 880 }
 881
 882 static void
 883 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp)
 884 {
 885         struct atpdlist *atfree;
 886
 887         if (atp->ests) {
 888                 isp_put_ecmd(isp, atp->ests);
 889         }
 890         LIST_REMOVE(atp, next);
 891         memset(atp, 0, sizeof (*atp));
 892         ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
 893         LIST_INSERT_HEAD(atfree, atp, next);
 894 }
 895
 896 static void
 897 isp_dump_atpd(ispsoftc_t *isp, int chan)
 898 {
 899         atio_private_data_t *atp, *atpool;
 900         const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
 901
 902         ISP_GET_PC(isp, chan, atpool, atpool);
 903         for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
 904                 if (atp->state == ATPD_STATE_FREE)
 905                         continue;
 906                 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",
 907                     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]);
 908         }
 909 }
 910
 911 static inot_private_data_t *
 912 isp_get_ntpd(ispsoftc_t *isp, int chan)
 913 {
 914         struct ntpdlist *ntfree;
 915         inot_private_data_t *ntp;
 916
 917         ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
 918         ntp = STAILQ_FIRST(ntfree);
 919         if (ntp)
 920                 STAILQ_REMOVE_HEAD(ntfree, next);
 921         return (ntp);
 922 }
 923
 924 static inot_private_data_t *
 925 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id)
 926 {
 927         inot_private_data_t *ntp, *ntp2;
 928
 929         ISP_GET_PC(isp, chan, ntpool, ntp);
 930         ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2);
 931         for (; ntp < ntp2; ntp++) {
 932                 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id)
 933                         return (ntp);
 934         }
 935         return (NULL);
 936 }
 937
 938 static void
 939 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp)
 940 {
 941         struct ntpdlist *ntfree;
 942
 943         ntp->tag_id = ntp->seq_id = 0;
 944         ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
 945         STAILQ_INSERT_HEAD(ntfree, ntp, next);
 946 }
 947
 948 static cam_status
 949 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
 950 {
 951         lun_id_t lun;
 952         struct tslist *lhp;
 953         tstate_t *tptr;
 954
 955         lun = xpt_path_lun_id(path);
 956         if (lun != CAM_LUN_WILDCARD) {
 957                 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) {
 958                         return (CAM_LUN_INVALID);
 959                 }
 960         }
 961         tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
 962         if (tptr == NULL) {
 963                 return (CAM_RESRC_UNAVAIL);
 964         }
 965         tptr->ts_lun = lun;
 966         SLIST_INIT(&tptr->atios);
 967         SLIST_INIT(&tptr->inots);
 968         ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
 969         SLIST_INSERT_HEAD(lhp, tptr, next);
 970         *rslt = tptr;
 971         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
 972         return (CAM_REQ_CMP);
 973 }
 974
 975 static void
 976 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr)
 977 {
 978         union ccb *ccb;
 979         struct tslist *lhp;
 980         inot_private_data_t *ntp;
 981
 982         while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) {
 983                 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
 984                 ccb->ccb_h.status = CAM_REQ_ABORTED;
 985                 xpt_done(ccb);
 986         };
 987         while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) {
 988                 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
 989                 ccb->ccb_h.status = CAM_REQ_ABORTED;
 990                 xpt_done(ccb);
 991         }
 992         while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) {
 993                 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0);
 994                 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next);
 995                 isp_put_ntpd(isp, bus, ntp);
 996         }
 997         ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp);
 998         SLIST_REMOVE(lhp, tptr, tstate, next);
 999         free(tptr, M_DEVBUF);
1000 }
1001
1002 static void
1003 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1004 {
1005         tstate_t *tptr;
1006         int bus;
1007         target_id_t target;
1008         lun_id_t lun;
1009
1010         if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) {
1011                 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n");
1012                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1013                 xpt_done(ccb);
1014                 return;
1015         }
1016
1017         /*
1018          * We only support either target and lun both wildcard
1019          * or target and lun both non-wildcard.
1020          */
1021         bus = XS_CHANNEL(ccb);
1022         target = ccb->ccb_h.target_id;
1023         lun = ccb->ccb_h.target_lun;
1024         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1025             "enabling lun %jx\n", (uintmax_t)lun);
1026         if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1027                 ccb->ccb_h.status = CAM_LUN_INVALID;
1028                 xpt_done(ccb);
1029                 return;
1030         }
1031
1032         /* Create the state pointer. It should not already exist. */
1033         tptr = get_lun_statep(isp, bus, lun);
1034         if (tptr) {
1035                 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1036                 xpt_done(ccb);
1037                 return;
1038         }
1039         ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1040         if (ccb->ccb_h.status != CAM_REQ_CMP) {
1041                 xpt_done(ccb);
1042                 return;
1043         }
1044
1045         ccb->ccb_h.status = CAM_REQ_CMP;
1046         xpt_done(ccb);
1047 }
1048
1049 static void
1050 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1051 {
1052         tstate_t *tptr = NULL;
1053         int bus;
1054         target_id_t target;
1055         lun_id_t lun;
1056
1057         bus = XS_CHANNEL(ccb);
1058         target = ccb->ccb_h.target_id;
1059         lun = ccb->ccb_h.target_lun;
1060         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1061             "disabling lun %jx\n", (uintmax_t)lun);
1062         if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1063                 ccb->ccb_h.status = CAM_LUN_INVALID;
1064                 xpt_done(ccb);
1065                 return;
1066         }
1067
1068         /* Find the state pointer. */
1069         if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1070                 ccb->ccb_h.status = CAM_PATH_INVALID;
1071                 xpt_done(ccb);
1072                 return;
1073         }
1074
1075         destroy_lun_state(isp, bus, tptr);
1076         ccb->ccb_h.status = CAM_REQ_CMP;
1077         xpt_done(ccb);
1078 }
1079
1080 static void
1081 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1082 {
1083         int fctape, sendstatus, resid;
1084         fcparam *fcp;
1085         atio_private_data_t *atp;
1086         struct ccb_scsiio *cso;
1087         struct isp_ccbq *waitq;
1088         uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1089         uint8_t local[QENTRY_LEN];
1090
1091         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,
1092             (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1093
1094         ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq);
1095         switch (how) {
1096         case FROM_CAM:
1097                 /*
1098                  * Insert at the tail of the list, if any, waiting CTIO CCBs
1099                  */
1100                 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, periph_links.tqe);
1101                 break;
1102         case FROM_TIMER:
1103         case FROM_SRR:
1104         case FROM_CTIO_DONE:
1105                 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1106                 break;
1107         }
1108
1109         while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) {
1110                 TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe);
1111
1112                 cso = &ccb->csio;
1113                 xfrlen = cso->dxfer_len;
1114                 if (xfrlen == 0) {
1115                         if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1116                                 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1117                                 ccb->ccb_h.status = CAM_REQ_INVALID;
1118                                 xpt_done(ccb);
1119                                 continue;
1120                         }
1121                 }
1122
1123                 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id);
1124                 if (atp == NULL) {
1125                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1126                         isp_dump_atpd(isp, XS_CHANNEL(ccb));
1127                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1128                         xpt_done(ccb);
1129                         continue;
1130                 }
1131
1132                 /*
1133                  * Is this command a dead duck?
1134                  */
1135                 if (atp->dead) {
1136                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1137                         ccb->ccb_h.status = CAM_REQ_ABORTED;
1138                         xpt_done(ccb);
1139                         continue;
1140                 }
1141
1142                 /*
1143                  * Check to make sure we're still in target mode.
1144                  */
1145                 fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1146                 if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1147                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1148                         ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1149                         xpt_done(ccb);
1150                         continue;
1151                 }
1152
1153                 /*
1154                  * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1155                  * could be split into two CTIOs to split data and status).
1156                  */
1157                 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1158                         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);
1159                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1160                         break;
1161                 }
1162
1163                 /*
1164                  * Does the initiator expect FC-Tape style responses?
1165                  */
1166                 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1167                         fctape = 1;
1168                 } else {
1169                         fctape = 0;
1170                 }
1171
1172                 /*
1173                  * If we already did the data xfer portion of a CTIO that sends data
1174                  * and status, don't do it again and do the status portion now.
1175                  */
1176                 if (atp->sendst) {
1177                         isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1178                             cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1179                         xfrlen = 0;     /* we already did the data transfer */
1180                         atp->sendst = 0;
1181                 }
1182                 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1183                         sendstatus = 1;
1184                 } else {
1185                         sendstatus = 0;
1186                 }
1187
1188                 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1189                         KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1190                         /*
1191                          * Sense length is not the entire sense data structure size. Periph
1192                          * drivers don't seem to be setting sense_len to reflect the actual
1193                          * size. We'll peek inside to get the right amount.
1194                          */
1195                         sense_length = cso->sense_len;
1196
1197                         /*
1198                          * This 'cannot' happen
1199                          */
1200                         if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1201                                 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1202                         }
1203                 } else {
1204                         sense_length = 0;
1205                 }
1206
1207                 memset(local, 0, QENTRY_LEN);
1208
1209                 /*
1210                  * Check for overflow
1211                  */
1212                 tmp = atp->bytes_xfered + atp->bytes_in_transit;
1213                 if (xfrlen > 0 && tmp > atp->orig_datalen) {
1214                         isp_prt(isp, ISP_LOGERR,
1215                             "%s: [0x%x] data overflow by %u bytes", __func__,
1216                             cso->tag_id, tmp + xfrlen - atp->orig_datalen);
1217                         ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1218                         xpt_done(ccb);
1219                         continue;
1220                 }
1221                 if (xfrlen > atp->orig_datalen - tmp) {
1222                         xfrlen = atp->orig_datalen - tmp;
1223                         if (xfrlen == 0 && !sendstatus) {
1224                                 cso->resid = cso->dxfer_len;
1225                                 ccb->ccb_h.status = CAM_REQ_CMP;
1226                                 xpt_done(ccb);
1227                                 continue;
1228                         }
1229                 }
1230
1231                 if (IS_24XX(isp)) {
1232                         ct7_entry_t *cto = (ct7_entry_t *) local;
1233
1234                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1235                         cto->ct_header.rqs_entry_count = 1;
1236                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1237                         ATPD_SET_SEQNO(cto, atp);
1238                         cto->ct_nphdl = atp->nphdl;
1239                         cto->ct_rxid = atp->tag;
1240                         cto->ct_iid_lo = atp->sid;
1241                         cto->ct_iid_hi = atp->sid >> 16;
1242                         cto->ct_oxid = atp->oxid;
1243                         cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1244                         cto->ct_timeout = XS_TIME(ccb);
1245                         cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1246
1247                         /*
1248                          * Mode 1, status, no data. Only possible when we are sending status, have
1249                          * no data to transfer, and any sense data can fit into a ct7_entry_t.
1250                          *
1251                          * Mode 2, status, no data. We have to use this in the case that
1252                          * the sense data won't fit into a ct7_entry_t.
1253                          *
1254                          */
1255                         if (sendstatus && xfrlen == 0) {
1256                                 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1257                                 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1258                                 if (sense_length <= MAXRESPLEN_24XX) {
1259                                         cto->ct_flags |= CT7_FLAG_MODE1;
1260                                         cto->ct_scsi_status = cso->scsi_status;
1261                                         if (resid < 0) {
1262                                                 cto->ct_resid = -resid;
1263                                                 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1264                                         } else if (resid > 0) {
1265                                                 cto->ct_resid = resid;
1266                                                 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1267                                         }
1268                                         if (fctape) {
1269                                                 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1270                                         }
1271                                         if (sense_length) {
1272                                                 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1273                                                 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1274                                                 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1275                                         }
1276                                 } else {
1277                                         bus_addr_t addr;
1278                                         char buf[XCMD_SIZE];
1279                                         fcp_rsp_iu_t *rp;
1280
1281                                         if (atp->ests == NULL) {
1282                                                 atp->ests = isp_get_ecmd(isp);
1283                                                 if (atp->ests == NULL) {
1284                                                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1285                                                         break;
1286                                                 }
1287                                         }
1288                                         memset(buf, 0, sizeof (buf));
1289                                         rp = (fcp_rsp_iu_t *)buf;
1290                                         if (fctape) {
1291                                                 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1292                                                 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1293                                         }
1294                                         cto->ct_flags |= CT7_FLAG_MODE2;
1295                                         rp->fcp_rsp_scsi_status = cso->scsi_status;
1296                                         if (resid < 0) {
1297                                                 rp->fcp_rsp_resid = -resid;
1298                                                 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1299                                         } else if (resid > 0) {
1300                                                 rp->fcp_rsp_resid = resid;
1301                                                 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1302                                         }
1303                                         if (sense_length) {
1304                                                 rp->fcp_rsp_snslen = sense_length;
1305                                                 cto->ct_senselen = sense_length;
1306                                                 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1307                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1308                                                 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1309                                         } else {
1310                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1311                                         }
1312                                         if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1313                                                 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1314                                         }
1315                                         addr = isp->isp_osinfo.ecmd_dma;
1316                                         addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1317                                         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,
1318                                             (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1319                                         cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1320                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1321                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1322                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1323                                 }
1324                                 if (sense_length) {
1325                                         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__,
1326                                             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,
1327                                             cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1328                                 } else {
1329                                         isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1330                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1331                                 }
1332                                 atp->state = ATPD_STATE_LAST_CTIO;
1333                         }
1334
1335                         /*
1336                          * Mode 0 data transfers, *possibly* with status.
1337                          */
1338                         if (xfrlen != 0) {
1339                                 cto->ct_flags |= CT7_FLAG_MODE0;
1340                                 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1341                                         cto->ct_flags |= CT7_DATA_IN;
1342                                 } else {
1343                                         cto->ct_flags |= CT7_DATA_OUT;
1344                                 }
1345
1346                                 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1347                                 cto->rsp.m0.ct_xfrlen = xfrlen;
1348
1349 #ifdef  DEBUG
1350                                 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1351                                         isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1352                                         ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1353                                         cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1354                                 }
1355 #endif
1356                                 if (sendstatus) {
1357                                         resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1358                                         if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1359                                                 cto->ct_flags |= CT7_SENDSTATUS;
1360                                                 atp->state = ATPD_STATE_LAST_CTIO;
1361                                                 if (fctape) {
1362                                                         cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1363                                                 }
1364                                         } else {
1365                                                 atp->sendst = 1;        /* send status later */
1366                                                 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1367                                                 atp->state = ATPD_STATE_CTIO;
1368                                         }
1369                                 } else {
1370                                         atp->state = ATPD_STATE_CTIO;
1371                                 }
1372                                 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__,
1373                                     cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1374                         }
1375                 } else {
1376                         ct2_entry_t *cto = (ct2_entry_t *) local;
1377
1378                         if (isp->isp_osinfo.sixtyfourbit)
1379                                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3;
1380                         else
1381                                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1382                         cto->ct_header.rqs_entry_count = 1;
1383                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1384                         ATPD_SET_SEQNO(cto, atp);
1385                         if (ISP_CAP_2KLOGIN(isp)) {
1386                                 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl;
1387                         } else {
1388                                 cto->ct_iid = atp->nphdl;
1389                                 if (ISP_CAP_SCCFW(isp) == 0) {
1390                                         cto->ct_lun = ccb->ccb_h.target_lun;
1391                                 }
1392                         }
1393                         cto->ct_timeout = XS_TIME(ccb);
1394                         cto->ct_rxid = cso->tag_id;
1395
1396                         /*
1397                          * Mode 1, status, no data. Only possible when we are sending status, have
1398                          * no data to transfer, and the sense length can fit in the ct7_entry.
1399                          *
1400                          * Mode 2, status, no data. We have to use this in the case the response
1401                          * length won't fit into a ct2_entry_t.
1402                          *
1403                          * We'll fill out this structure with information as if this were a
1404                          * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1405                          * needed based upon this.
1406                          */
1407                         if (sendstatus && xfrlen == 0) {
1408                                 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1409                                 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1410                                 if (sense_length <= MAXRESPLEN) {
1411                                         if (resid < 0) {
1412                                                 cto->ct_resid = -resid;
1413                                         } else if (resid > 0) {
1414                                                 cto->ct_resid = resid;
1415                                         }
1416                                         cto->ct_flags |= CT2_FLAG_MODE1;
1417                                         cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1418                                         if (resid < 0) {
1419                                                 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1420                                         } else if (resid > 0) {
1421                                                 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1422                                         }
1423                                         if (fctape) {
1424                                                 cto->ct_flags |= CT2_CONFIRM;
1425                                         }
1426                                         if (sense_length) {
1427                                                 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1428                                                 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1429                                                 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1430                                         }
1431                                 } else {
1432                                         bus_addr_t addr;
1433                                         char buf[XCMD_SIZE];
1434                                         fcp_rsp_iu_t *rp;
1435
1436                                         if (atp->ests == NULL) {
1437                                                 atp->ests = isp_get_ecmd(isp);
1438                                                 if (atp->ests == NULL) {
1439                                                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1440                                                         break;
1441                                                 }
1442                                         }
1443                                         memset(buf, 0, sizeof (buf));
1444                                         rp = (fcp_rsp_iu_t *)buf;
1445                                         if (fctape) {
1446                                                 cto->ct_flags |= CT2_CONFIRM;
1447                                                 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1448                                         }
1449                                         cto->ct_flags |= CT2_FLAG_MODE2;
1450                                         rp->fcp_rsp_scsi_status = cso->scsi_status;
1451                                         if (resid < 0) {
1452                                                 rp->fcp_rsp_resid = -resid;
1453                                                 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1454                                         } else if (resid > 0) {
1455                                                 rp->fcp_rsp_resid = resid;
1456                                                 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1457                                         }
1458                                         if (sense_length) {
1459                                                 rp->fcp_rsp_snslen = sense_length;
1460                                                 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1461                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1462                                                 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1463                                         } else {
1464                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1465                                         }
1466                                         if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1467                                                 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1468                                         }
1469                                         addr = isp->isp_osinfo.ecmd_dma;
1470                                         addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1471                                         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,
1472                                             (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1473                                         cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1474                                         if (cto->ct_header.rqs_entry_type == RQSTYPE_CTIO3) {
1475                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr);
1476                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr);
1477                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1478                                         } else {
1479                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1480                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1481                                         }
1482                                 }
1483                                 if (sense_length) {
1484                                         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__,
1485                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1486                                             cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1487                                 } else {
1488                                         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,
1489                                             ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1490                                 }
1491                                 atp->state = ATPD_STATE_LAST_CTIO;
1492                         }
1493
1494                         if (xfrlen != 0) {
1495                                 cto->ct_flags |= CT2_FLAG_MODE0;
1496                                 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1497                                         cto->ct_flags |= CT2_DATA_IN;
1498                                 } else {
1499                                         cto->ct_flags |= CT2_DATA_OUT;
1500                                 }
1501
1502                                 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
1503                                 cto->rsp.m0.ct_xfrlen = xfrlen;
1504
1505                                 if (sendstatus) {
1506                                         resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1507                                         if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
1508                                                 cto->ct_flags |= CT2_SENDSTATUS;
1509                                                 atp->state = ATPD_STATE_LAST_CTIO;
1510                                                 if (fctape) {
1511                                                         cto->ct_flags |= CT2_CONFIRM;
1512                                                 }
1513                                         } else {
1514                                                 atp->sendst = 1;        /* send status later */
1515                                                 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1516                                                 atp->state = ATPD_STATE_CTIO;
1517                                         }
1518                                 } else {
1519                                         atp->state = ATPD_STATE_CTIO;
1520                                 }
1521                         }
1522                         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,
1523                             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);
1524                 }
1525
1526                 if (isp_get_pcmd(isp, ccb)) {
1527                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
1528                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1529                         break;
1530                 }
1531                 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET);
1532                 if (handle == 0) {
1533                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
1534                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1535                         isp_free_pcmd(isp, ccb);
1536                         break;
1537                 }
1538                 atp->bytes_in_transit += xfrlen;
1539                 PISP_PCMD(ccb)->datalen = xfrlen;
1540
1541
1542                 /*
1543                  * Call the dma setup routines for this entry (and any subsequent
1544                  * CTIOs) if there's data to move, and then tell the f/w it's got
1545                  * new things to play with. As with isp_start's usage of DMA setup,
1546                  * any swizzling is done in the machine dependent layer. Because
1547                  * of this, we put the request onto the queue area first in native
1548                  * format.
1549                  */
1550
1551                 if (IS_24XX(isp)) {
1552                         ct7_entry_t *cto = (ct7_entry_t *) local;
1553                         cto->ct_syshandle = handle;
1554                 } else {
1555                         ct2_entry_t *cto = (ct2_entry_t *) local;
1556                         cto->ct_syshandle = handle;
1557                 }
1558
1559                 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
1560                 if (dmaresult != CMD_QUEUED) {
1561                         isp_destroy_handle(isp, handle);
1562                         isp_free_pcmd(isp, ccb);
1563                         if (dmaresult == CMD_EAGAIN) {
1564                                 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1565                                 break;
1566                         }
1567                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1568                         xpt_done(ccb);
1569                         continue;
1570                 }
1571                 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
1572                 if (xfrlen) {
1573                         ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
1574                 } else {
1575                         ccb->ccb_h.spriv_field0 = ~0;
1576                 }
1577                 atp->ctcnt++;
1578                 atp->seqno++;
1579         }
1580 }
1581
1582 static void
1583 isp_refire_putback_atio(void *arg)
1584 {
1585         union ccb *ccb = arg;
1586
1587         ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb));
1588         isp_target_putback_atio(ccb);
1589 }
1590
1591 static void
1592 isp_refire_notify_ack(void *arg)
1593 {
1594         isp_tna_t *tp  = arg;
1595         ispsoftc_t *isp = tp->isp;
1596
1597         ISP_ASSERT_LOCKED(isp);
1598         if (isp_notify_ack(isp, tp->not)) {
1599                 callout_schedule(&tp->timer, 5);
1600         } else {
1601                 free(tp, M_DEVBUF);
1602         }
1603 }
1604
1605
1606 static void
1607 isp_target_putback_atio(union ccb *ccb)
1608 {
1609         ispsoftc_t *isp = XS_ISP(ccb);
1610         struct ccb_scsiio *cso = &ccb->csio;
1611         at2_entry_t local, *at = &local;
1612
1613         ISP_MEMZERO(at, sizeof (at2_entry_t));
1614         at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1615         at->at_header.rqs_entry_count = 1;
1616         if (ISP_CAP_SCCFW(isp)) {
1617                 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1618         } else {
1619                 at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1620         }
1621         at->at_status = CT_OK;
1622         at->at_rxid = cso->tag_id;
1623         at->at_iid = cso->ccb_h.target_id;
1624         if (isp_target_put_entry(isp, at)) {
1625                 callout_reset(&PISP_PCMD(ccb)->wdog, 10,
1626                     isp_refire_putback_atio, ccb);
1627         } else
1628                 isp_complete_ctio(ccb);
1629 }
1630
1631 static void
1632 isp_complete_ctio(union ccb *ccb)
1633 {
1634         if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1635                 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1636                 xpt_done(ccb);
1637         }
1638 }
1639
1640 static void
1641 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1642 {
1643         fcparam *fcp;
1644         lun_id_t lun;
1645         fcportdb_t *lp;
1646         tstate_t *tptr;
1647         struct ccb_accept_tio *atiop;
1648         uint16_t nphdl;
1649         atio_private_data_t *atp;
1650         inot_private_data_t *ntp;
1651
1652         /*
1653          * The firmware status (except for the QLTM_SVALID bit)
1654          * indicates why this ATIO was sent to us.
1655          *
1656          * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1657          */
1658         if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1659                 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
1660                 isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0);
1661                 return;
1662         }
1663
1664         fcp = FCPARAM(isp, 0);
1665         if (ISP_CAP_SCCFW(isp)) {
1666                 lun = aep->at_scclun;
1667         } else {
1668                 lun = aep->at_lun;
1669         }
1670         if (ISP_CAP_2KLOGIN(isp)) {
1671                 nphdl = ((at2e_entry_t *)aep)->at_iid;
1672         } else {
1673                 nphdl = aep->at_iid;
1674         }
1675         tptr = get_lun_statep(isp, 0, lun);
1676         if (tptr == NULL) {
1677                 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1678                 if (tptr == NULL) {
1679                         isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun);
1680                         if (lun == 0) {
1681                                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1682                         } else {
1683                                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1684                         }
1685                         return;
1686                 }
1687         }
1688
1689         /*
1690          * Start any commands pending resources first.
1691          */
1692         if (isp_atio_restart(isp, 0, tptr))
1693                 goto noresrc;
1694
1695         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1696         if (atiop == NULL) {
1697                 goto noresrc;
1698         }
1699
1700         atp = isp_get_atpd(isp, 0, aep->at_rxid);
1701         if (atp == NULL) {
1702                 goto noresrc;
1703         }
1704
1705         atp->state = ATPD_STATE_ATIO;
1706         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1707         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n");
1708         atiop->ccb_h.target_id = fcp->isp_loopid;
1709         atiop->ccb_h.target_lun = lun;
1710
1711         /*
1712          * We don't get 'suggested' sense data as we do with SCSI cards.
1713          */
1714         atiop->sense_len = 0;
1715
1716         /*
1717          * If we're not in the port database, add ourselves.
1718          */
1719         if (IS_2100(isp))
1720                 atiop->init_id = nphdl;
1721         else {
1722                 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) {
1723                         atiop->init_id = FC_PORTDB_TGT(isp, 0, lp);
1724                 } else {
1725                         isp_prt(isp, ISP_LOGTINFO, "%s: port %x isn't in PDB",
1726                             __func__, nphdl);
1727                         isp_dump_portdb(isp, 0);
1728                         isp_endcmd(isp, aep, NIL_HANDLE, 0, ECMD_TERMINATE, 0);
1729                         return;
1730                 }
1731         }
1732         atiop->cdb_len = ATIO2_CDBLEN;
1733         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1734         atiop->ccb_h.status = CAM_CDB_RECVD;
1735         atiop->tag_id = atp->tag;
1736         switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1737         case ATIO2_TC_ATTR_SIMPLEQ:
1738                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1739                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1740                 break;
1741         case ATIO2_TC_ATTR_HEADOFQ:
1742                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1743                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1744                 break;
1745         case ATIO2_TC_ATTR_ORDERED:
1746                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1747                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1748                 break;
1749         case ATIO2_TC_ATTR_ACAQ:                /* ?? */
1750         case ATIO2_TC_ATTR_UNTAGGED:
1751         default:
1752                 atiop->tag_action = 0;
1753                 break;
1754         }
1755
1756         atp->orig_datalen = aep->at_datalen;
1757         atp->bytes_xfered = 0;
1758         atp->lun = lun;
1759         atp->nphdl = nphdl;
1760         atp->sid = PORT_ANY;
1761         atp->oxid = aep->at_oxid;
1762         atp->cdb0 = aep->at_cdb[0];
1763         atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
1764         atp->state = ATPD_STATE_CAM;
1765         xpt_done((union ccb *)atiop);
1766         isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
1767         return;
1768 noresrc:
1769         ntp = isp_get_ntpd(isp, 0);
1770         if (ntp == NULL) {
1771                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1772                 return;
1773         }
1774         memcpy(ntp->data, aep, QENTRY_LEN);
1775         STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
1776 }
1777
1778 static void
1779 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
1780 {
1781         int cdbxlen;
1782         lun_id_t lun;
1783         uint16_t chan, nphdl = NIL_HANDLE;
1784         uint32_t did, sid;
1785         fcportdb_t *lp;
1786         tstate_t *tptr;
1787         struct ccb_accept_tio *atiop;
1788         atio_private_data_t *atp = NULL;
1789         atio_private_data_t *oatp;
1790         inot_private_data_t *ntp;
1791
1792         did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
1793         sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
1794         lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun));
1795
1796         if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) {
1797                 /* Channel has to be derived from D_ID */
1798                 isp_find_chan_by_did(isp, did, &chan);
1799                 if (chan == ISP_NOCHAN) {
1800                         isp_prt(isp, ISP_LOGWARN,
1801                             "%s: [RX_ID 0x%x] D_ID %x not found on any channel",
1802                             __func__, aep->at_rxid, did);
1803                         isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN,
1804                             ECMD_TERMINATE, 0);
1805                         return;
1806                 }
1807         } else {
1808                 chan = 0;
1809         }
1810
1811         /*
1812          * Find the PDB entry for this initiator
1813          */
1814         if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) {
1815                 /*
1816                  * If we're not in the port database terminate the exchange.
1817                  */
1818                 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",
1819                     __func__, aep->at_rxid, did, chan, sid);
1820                 isp_dump_portdb(isp, chan);
1821                 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
1822                 return;
1823         }
1824         nphdl = lp->handle;
1825
1826         /*
1827          * Get the tstate pointer
1828          */
1829         tptr = get_lun_statep(isp, chan, lun);
1830         if (tptr == NULL) {
1831                 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
1832                 if (tptr == NULL) {
1833                         isp_prt(isp, ISP_LOGWARN,
1834                             "%s: [0x%x] no state pointer for lun %jx or wildcard",
1835                             __func__, aep->at_rxid, (uintmax_t)lun);
1836                         if (lun == 0) {
1837                                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
1838                         } else {
1839                                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1840                         }
1841                         return;
1842                 }
1843         }
1844
1845         /*
1846          * Start any commands pending resources first.
1847          */
1848         if (isp_atio_restart(isp, chan, tptr))
1849                 goto noresrc;
1850
1851         /*
1852          * If the f/w is out of resources, just send a BUSY status back.
1853          */
1854         if (aep->at_rxid == AT7_NORESRC_RXID) {
1855                 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
1856                 return;
1857         }
1858
1859         /*
1860          * If we're out of resources, just send a BUSY status back.
1861          */
1862         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1863         if (atiop == NULL) {
1864                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
1865                 goto noresrc;
1866         }
1867
1868         oatp = isp_find_atpd(isp, chan, aep->at_rxid);
1869         if (oatp) {
1870                 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",
1871                     aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
1872                 /*
1873                  * It's not a "no resource" condition- but we can treat it like one
1874                  */
1875                 goto noresrc;
1876         }
1877         atp = isp_get_atpd(isp, chan, aep->at_rxid);
1878         if (atp == NULL) {
1879                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
1880                 goto noresrc;
1881         }
1882         atp->word3 = lp->prli_word3;
1883         atp->state = ATPD_STATE_ATIO;
1884         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1885         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n");
1886         atiop->init_id = FC_PORTDB_TGT(isp, chan, lp);
1887         atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
1888         atiop->ccb_h.target_lun = lun;
1889         atiop->sense_len = 0;
1890         cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
1891         if (cdbxlen) {
1892                 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
1893         }
1894         cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
1895         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
1896         atiop->cdb_len = cdbxlen;
1897         atiop->ccb_h.status = CAM_CDB_RECVD;
1898         atiop->tag_id = atp->tag;
1899         switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
1900         case FCP_CMND_TASK_ATTR_SIMPLE:
1901                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1902                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1903                 break;
1904         case FCP_CMND_TASK_ATTR_HEAD:
1905                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1906                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1907                 break;
1908         case FCP_CMND_TASK_ATTR_ORDERED:
1909                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1910                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1911                 break;
1912         default:
1913                 /* FALLTHROUGH */
1914         case FCP_CMND_TASK_ATTR_ACA:
1915         case FCP_CMND_TASK_ATTR_UNTAGGED:
1916                 atiop->tag_action = 0;
1917                 break;
1918         }
1919         atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
1920         atp->bytes_xfered = 0;
1921         atp->lun = lun;
1922         atp->nphdl = nphdl;
1923         atp->sid = sid;
1924         atp->did = did;
1925         atp->oxid = aep->at_hdr.ox_id;
1926         atp->rxid = aep->at_hdr.rx_id;
1927         atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
1928         atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
1929         atp->state = ATPD_STATE_CAM;
1930         isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u",
1931             aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
1932         xpt_done((union ccb *)atiop);
1933         return;
1934 noresrc:
1935         if (atp)
1936                 isp_put_atpd(isp, chan, atp);
1937         ntp = isp_get_ntpd(isp, chan);
1938         if (ntp == NULL) {
1939                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
1940                 return;
1941         }
1942         memcpy(ntp->data, aep, QENTRY_LEN);
1943         STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
1944 }
1945
1946
1947 /*
1948  * Handle starting an SRR (sequence retransmit request)
1949  * We get here when we've gotten the immediate notify
1950  * and the return of all outstanding CTIOs for this
1951  * transaction.
1952  */
1953 static void
1954 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp)
1955 {
1956         in_fcentry_24xx_t *inot;
1957         uint32_t srr_off, ccb_off, ccb_len, ccb_end;
1958         union ccb *ccb;
1959
1960         inot = (in_fcentry_24xx_t *)atp->srr;
1961         srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
1962         ccb = atp->srr_ccb;
1963         atp->srr_ccb = NULL;
1964         atp->nsrr++;
1965         if (ccb == NULL) {
1966                 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
1967                 goto fail;
1968         }
1969
1970         ccb_off = ccb->ccb_h.spriv_field0;
1971         ccb_len = ccb->csio.dxfer_len;
1972         ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
1973
1974         switch (inot->in_srr_iu) {
1975         case R_CTL_INFO_SOLICITED_DATA:
1976                 /*
1977                  * We have to restart a FCP_DATA data out transaction
1978                  */
1979                 atp->sendst = 0;
1980                 atp->bytes_xfered = srr_off;
1981                 if (ccb_len == 0) {
1982                         isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
1983                         goto mdp;
1984                 }
1985                 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
1986                         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);
1987                         goto mdp;
1988                 }
1989                 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);
1990                 break;
1991         case R_CTL_INFO_COMMAND_STATUS:
1992                 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
1993                 atp->sendst = 1;
1994                 /*
1995                  * We have to restart a FCP_RSP IU transaction
1996                  */
1997                 break;
1998         case R_CTL_INFO_DATA_DESCRIPTOR:
1999                 /*
2000                  * We have to restart an FCP DATA in transaction
2001                  */
2002                 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
2003                 goto fail;
2004
2005         default:
2006                 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
2007                 goto fail;
2008         }
2009
2010         /*
2011          * We can't do anything until this is acked, so we might as well start it now.
2012          * We aren't going to do the usual asynchronous ack issue because we need
2013          * to make sure this gets on the wire first.
2014          */
2015         if (isp_notify_ack(isp, inot)) {
2016                 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2017                 goto fail;
2018         }
2019         isp_target_start_ctio(isp, ccb, FROM_SRR);
2020         return;
2021 fail:
2022         inot->in_reserved = 1;
2023         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2024         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2025         ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2026         isp_complete_ctio(ccb);
2027         return;
2028 mdp:
2029         if (isp_notify_ack(isp, inot)) {
2030                 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2031                 goto fail;
2032         }
2033         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2034         ccb->ccb_h.status = CAM_MESSAGE_RECV;
2035         /*
2036          * This is not a strict interpretation of MDP, but it's close
2037          */
2038         ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2039         ccb->csio.msg_len = 7;
2040         ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2041         ccb->csio.msg_ptr[1] = 5;
2042         ccb->csio.msg_ptr[2] = 0;       /* modify data pointer */
2043         ccb->csio.msg_ptr[3] = srr_off >> 24;
2044         ccb->csio.msg_ptr[4] = srr_off >> 16;
2045         ccb->csio.msg_ptr[5] = srr_off >> 8;
2046         ccb->csio.msg_ptr[6] = srr_off;
2047         isp_complete_ctio(ccb);
2048 }
2049
2050
2051 static void
2052 isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify)
2053 {
2054         in_fcentry_24xx_t *inot = notify->nt_lreserved;
2055         atio_private_data_t *atp;
2056         uint32_t tag = notify->nt_tagval & 0xffffffff;
2057
2058         atp = isp_find_atpd(isp, notify->nt_channel, tag);
2059         if (atp == NULL) {
2060                 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify",
2061                     __func__, tag);
2062                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2063                 return;
2064         }
2065         atp->srr_notify_rcvd = 1;
2066         memcpy(atp->srr, inot, sizeof (atp->srr));
2067         isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x",
2068             inot->in_rxid, inot->in_flags, inot->in_srr_iu,
2069             ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo);
2070         if (atp->srr_ccb)
2071                 isp_handle_srr_start(isp, atp);
2072 }
2073
2074 static void
2075 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2076 {
2077         union ccb *ccb;
2078         int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0;
2079         atio_private_data_t *atp = NULL;
2080         int bus;
2081         uint32_t handle, data_requested, resid;
2082
2083         handle = ((ct2_entry_t *)arg)->ct_syshandle;
2084         ccb = isp_find_xs(isp, handle);
2085         if (ccb == NULL) {
2086                 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2087                 return;
2088         }
2089         isp_destroy_handle(isp, handle);
2090         resid = data_requested = PISP_PCMD(ccb)->datalen;
2091         isp_free_pcmd(isp, ccb);
2092
2093         bus = XS_CHANNEL(ccb);
2094         if (IS_24XX(isp)) {
2095                 atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid);
2096         } else {
2097                 atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid);
2098         }
2099         if (atp == NULL) {
2100                 /*
2101                  * XXX: isp_clear_commands() generates fake CTIO with zero
2102                  * ct_rxid value, filling only ct_syshandle.  Workaround
2103                  * that using tag_id from the CCB, pointed by ct_syshandle.
2104                  */
2105                 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id);
2106         }
2107         if (atp == NULL) {
2108                 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2109                 return;
2110         }
2111         KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2112         atp->bytes_in_transit -= data_requested;
2113         atp->ctcnt -= 1;
2114         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2115
2116         if (IS_24XX(isp)) {
2117                 ct7_entry_t *ct = arg;
2118
2119                 if (ct->ct_nphdl == CT7_SRR) {
2120                         atp->srr_ccb = ccb;
2121                         if (atp->srr_notify_rcvd)
2122                                 isp_handle_srr_start(isp, atp);
2123                         return;
2124                 }
2125                 if (ct->ct_nphdl == CT_HBA_RESET) {
2126                         sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2127                             (atp->sendst == 0);
2128                         failure = CAM_UNREC_HBA_ERROR;
2129                 } else {
2130                         sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2131                         ok = (ct->ct_nphdl == CT7_OK);
2132                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2133                         if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA)
2134                                 resid = ct->ct_resid;
2135                 }
2136                 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),
2137                    notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2138         } else {
2139                 ct2_entry_t *ct = arg;
2140                 if (ct->ct_status == CT_SRR) {
2141                         atp->srr_ccb = ccb;
2142                         if (atp->srr_notify_rcvd)
2143                                 isp_handle_srr_start(isp, atp);
2144                         isp_target_putback_atio(ccb);
2145                         return;
2146                 }
2147                 if (ct->ct_status == CT_HBA_RESET) {
2148                         sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2149                             (atp->sendst == 0);
2150                         failure = CAM_UNREC_HBA_ERROR;
2151                 } else {
2152                         sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2153                         ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2154                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2155                         if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA)
2156                                 resid = ct->ct_resid;
2157                 }
2158                 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),
2159                     notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2160         }
2161         if (ok) {
2162                 if (data_requested > 0) {
2163                         atp->bytes_xfered += data_requested - resid;
2164                         ccb->csio.resid = ccb->csio.dxfer_len -
2165                             (data_requested - resid);
2166                 }
2167                 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE))
2168                         ccb->ccb_h.status |= CAM_SENT_SENSE;
2169                 ccb->ccb_h.status |= CAM_REQ_CMP;
2170         } else {
2171                 notify_cam = 1;
2172                 if (failure == CAM_UNREC_HBA_ERROR)
2173                         ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2174                 else
2175                         ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2176         }
2177         atp->state = ATPD_STATE_PDON;
2178
2179         /*
2180          * We never *not* notify CAM when there has been any error (ok == 0),
2181          * so we never need to do an ATIO putback if we're not notifying CAM.
2182          */
2183         isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
2184             (sentstatus)? "  FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
2185         if (notify_cam == 0) {
2186                 if (atp->sendst) {
2187                         isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
2188                 }
2189                 return;
2190         }
2191
2192         /*
2193          * We are done with this ATIO if we successfully sent status.
2194          * In all other cases expect either another CTIO or XPT_ABORT.
2195          */
2196         if (ok && sentstatus)
2197                 isp_put_atpd(isp, bus, atp);
2198
2199         /*
2200          * We're telling CAM we're done with this CTIO transaction.
2201          *
2202          * 24XX cards never need an ATIO put back.
2203          *
2204          * Other cards need one put back only on error.
2205          * In the latter case, a timeout will re-fire
2206          * and try again in case we didn't have
2207          * queue resources to do so at first. In any case,
2208          * once the putback is done we do the completion
2209          * call.
2210          */
2211         if (ok || IS_24XX(isp)) {
2212                 isp_complete_ctio(ccb);
2213         } else {
2214                 isp_target_putback_atio(ccb);
2215         }
2216 }
2217
2218 static int
2219 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp)
2220 {
2221
2222         if (isp->isp_state != ISP_RUNSTATE) {
2223                 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
2224                 return (0);
2225         }
2226
2227         /*
2228          * This case is for a Task Management Function, which shows up as an ATIO7 entry.
2229          */
2230         if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
2231                 ct7_entry_t local, *cto = &local;
2232                 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
2233                 fcportdb_t *lp;
2234                 uint32_t sid;
2235                 uint16_t nphdl;
2236
2237                 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2238                 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) {
2239                         nphdl = lp->handle;
2240                 } else {
2241                         nphdl = NIL_HANDLE;
2242                 }
2243                 ISP_MEMZERO(&local, sizeof (local));
2244                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2245                 cto->ct_header.rqs_entry_count = 1;
2246                 cto->ct_nphdl = nphdl;
2247                 cto->ct_rxid = aep->at_rxid;
2248                 cto->ct_vpidx = mp->nt_channel;
2249                 cto->ct_iid_lo = sid;
2250                 cto->ct_iid_hi = sid >> 16;
2251                 cto->ct_oxid = aep->at_hdr.ox_id;
2252                 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
2253                 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
2254                 if (rsp != 0) {
2255                         cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8);
2256                         cto->rsp.m1.ct_resplen = 4;
2257                         ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp));
2258                         cto->rsp.m1.ct_resp[0] = rsp & 0xff;
2259                         cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff;
2260                         cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff;
2261                         cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff;
2262                 }
2263                 return (isp_target_put_entry(isp, &local));
2264         }
2265
2266         /*
2267          * This case is for a responding to an ABTS frame
2268          */
2269         if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2270
2271                 /*
2272                  * Overload nt_need_ack here to mark whether we've terminated the associated command.
2273                  */
2274                 if (mp->nt_need_ack) {
2275                         uint8_t storage[QENTRY_LEN];
2276                         ct7_entry_t *cto = (ct7_entry_t *) storage;
2277                         abts_t *abts = (abts_t *)mp->nt_lreserved;
2278
2279                         ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2280                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
2281                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2282                         cto->ct_header.rqs_entry_count = 1;
2283                         cto->ct_nphdl = mp->nt_nphdl;
2284                         cto->ct_rxid = abts->abts_rxid_task;
2285                         cto->ct_iid_lo = mp->nt_sid;
2286                         cto->ct_iid_hi = mp->nt_sid >> 16;
2287                         cto->ct_oxid = abts->abts_ox_id;
2288                         cto->ct_vpidx = mp->nt_channel;
2289                         cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2290                         if (isp_target_put_entry(isp, cto)) {
2291                                 return (ENOMEM);
2292                         }
2293                         mp->nt_need_ack = 0;
2294                 }
2295                 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
2296                         return (ENOMEM);
2297                 } else {
2298                         return (0);
2299                 }
2300         }
2301
2302         /*
2303          * Handle logout cases here
2304          */
2305         if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
2306                 isp_del_all_wwn_entries(isp, mp->nt_channel);
2307         }
2308
2309         if (mp->nt_ncode == NT_LOGOUT) {
2310                 if (!IS_2100(isp) && IS_FC(isp)) {
2311                         isp_del_wwn_entries(isp, mp);
2312                 }
2313         }
2314
2315         /*
2316          * General purpose acknowledgement
2317          */
2318         if (mp->nt_need_ack) {
2319                 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
2320                 /*
2321                  * Don't need to use the guaranteed send because the caller can retry
2322                  */
2323                 return (isp_notify_ack(isp, mp->nt_lreserved));
2324         }
2325         return (0);
2326 }
2327
2328 /*
2329  * Handle task management functions.
2330  *
2331  * We show up here with a notify structure filled out.
2332  *
2333  * The nt_lreserved tag points to the original queue entry
2334  */
2335 static void
2336 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
2337 {
2338         tstate_t *tptr;
2339         fcportdb_t *lp;
2340         struct ccb_immediate_notify *inot;
2341         inot_private_data_t *ntp = NULL;
2342         atio_private_data_t *atp;
2343         lun_id_t lun;
2344
2345         isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid  0x%x tagval 0x%016llx chan %d lun %x", __func__, notify->nt_ncode,
2346             notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
2347         if (notify->nt_lun == LUN_ANY) {
2348                 if (notify->nt_tagval == TAG_ANY) {
2349                         lun = CAM_LUN_WILDCARD;
2350                 } else {
2351                         atp = isp_find_atpd(isp, notify->nt_channel,
2352                             notify->nt_tagval & 0xffffffff);
2353                         lun = atp ? atp->lun : CAM_LUN_WILDCARD;
2354                 }
2355         } else {
2356                 lun = notify->nt_lun;
2357         }
2358         tptr = get_lun_statep(isp, notify->nt_channel, lun);
2359         if (tptr == NULL) {
2360                 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
2361                 if (tptr == NULL) {
2362                         isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
2363                         goto bad;
2364                 }
2365         }
2366         inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2367         if (inot == NULL) {
2368                 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
2369                 goto bad;
2370         }
2371
2372         if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 &&
2373             isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) {
2374                 inot->initiator_id = CAM_TARGET_WILDCARD;
2375         } else {
2376                 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp);
2377         }
2378         inot->seq_id = notify->nt_tagval;
2379         inot->tag_id = notify->nt_tagval >> 32;
2380
2381         switch (notify->nt_ncode) {
2382         case NT_ABORT_TASK:
2383                 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id);
2384                 inot->arg = MSG_ABORT_TASK;
2385                 break;
2386         case NT_ABORT_TASK_SET:
2387                 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY);
2388                 inot->arg = MSG_ABORT_TASK_SET;
2389                 break;
2390         case NT_CLEAR_ACA:
2391                 inot->arg = MSG_CLEAR_ACA;
2392                 break;
2393         case NT_CLEAR_TASK_SET:
2394                 inot->arg = MSG_CLEAR_TASK_SET;
2395                 break;
2396         case NT_LUN_RESET:
2397                 inot->arg = MSG_LOGICAL_UNIT_RESET;
2398                 break;
2399         case NT_TARGET_RESET:
2400                 inot->arg = MSG_TARGET_RESET;
2401                 break;
2402         case NT_QUERY_TASK_SET:
2403                 inot->arg = MSG_QUERY_TASK_SET;
2404                 break;
2405         case NT_QUERY_ASYNC_EVENT:
2406                 inot->arg = MSG_QUERY_ASYNC_EVENT;
2407                 break;
2408         default:
2409                 isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun 0x%x", __func__, notify->nt_ncode, notify->nt_channel, lun);
2410                 goto bad;
2411         }
2412
2413         ntp = isp_get_ntpd(isp, notify->nt_channel);
2414         if (ntp == NULL) {
2415                 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
2416                 goto bad;
2417         }
2418         ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t));
2419         if (notify->nt_lreserved) {
2420                 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN);
2421                 ntp->nt.nt_lreserved = &ntp->data;
2422         }
2423         ntp->seq_id = notify->nt_tagval;
2424         ntp->tag_id = notify->nt_tagval >> 32;
2425
2426         SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2427         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n");
2428         inot->ccb_h.status = CAM_MESSAGE_RECV;
2429         xpt_done((union ccb *)inot);
2430         return;
2431 bad:
2432         if (notify->nt_need_ack) {
2433                 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2434                         if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
2435                                 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
2436                         }
2437                 } else {
2438                         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
2439                 }
2440         }
2441 }
2442
2443 static void
2444 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id)
2445 {
2446         atio_private_data_t *atp, *atpool;
2447         inot_private_data_t *ntp, *tmp;
2448         uint32_t this_tag_id;
2449
2450         /*
2451          * First, clean any commands pending restart
2452          */
2453         STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) {
2454                 if (IS_24XX(isp))
2455                         this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid;
2456                 else
2457                         this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid;
2458                 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
2459                         isp_endcmd(isp, ntp->data, NIL_HANDLE, chan,
2460                             ECMD_TERMINATE, 0);
2461                         isp_put_ntpd(isp, chan, ntp);
2462                         STAILQ_REMOVE(&tptr->restart_queue, ntp,
2463                             inot_private_data, next);
2464                 }
2465         }
2466
2467         /*
2468          * Now mark other ones dead as well.
2469          */
2470         ISP_GET_PC(isp, chan, atpool, atpool);
2471         for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
2472                 if (atp->lun != tptr->ts_lun)
2473                         continue;
2474                 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id)
2475                         atp->dead = 1;
2476         }
2477 }
2478 #endif
2479
2480 static void
2481 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
2482 {
2483         struct cam_sim *sim;
2484         int bus, tgt;
2485         ispsoftc_t *isp;
2486
2487         sim = (struct cam_sim *)cbarg;
2488         isp = (ispsoftc_t *) cam_sim_softc(sim);
2489         bus = cam_sim_bus(sim);
2490         tgt = xpt_path_target_id(path);
2491
2492         switch (code) {
2493         case AC_LOST_DEVICE:
2494                 if (IS_SCSI(isp)) {
2495                         uint16_t oflags, nflags;
2496                         sdparam *sdp = SDPARAM(isp, bus);
2497
2498                         if (tgt >= 0) {
2499                                 nflags = sdp->isp_devparam[tgt].nvrm_flags;
2500                                 nflags &= DPARM_SAFE_DFLT;
2501                                 if (isp->isp_loaded_fw) {
2502                                         nflags |= DPARM_NARROW | DPARM_ASYNC;
2503                                 }
2504                                 oflags = sdp->isp_devparam[tgt].goal_flags;
2505                                 sdp->isp_devparam[tgt].goal_flags = nflags;
2506                                 sdp->isp_devparam[tgt].dev_update = 1;
2507                                 sdp->update = 1;
2508                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
2509                                 sdp->isp_devparam[tgt].goal_flags = oflags;
2510                         }
2511                 }
2512                 break;
2513         default:
2514                 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
2515                 break;
2516         }
2517 }
2518
2519 static void
2520 isp_poll(struct cam_sim *sim)
2521 {
2522         ispsoftc_t *isp = cam_sim_softc(sim);
2523
2524         ISP_RUN_ISR(isp);
2525 }
2526
2527
2528 static void
2529 isp_watchdog(void *arg)
2530 {
2531         struct ccb_scsiio *xs = arg;
2532         ispsoftc_t *isp;
2533         uint32_t ohandle = ISP_HANDLE_FREE, handle;
2534
2535         isp = XS_ISP(xs);
2536
2537         handle = isp_find_handle(isp, xs);
2538
2539         /*
2540          * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
2541          */
2542         if (handle != ISP_HANDLE_FREE) {
2543                 ISP_RUN_ISR(isp);
2544                 ohandle = handle;
2545                 handle = isp_find_handle(isp, xs);
2546         }
2547         if (handle != ISP_HANDLE_FREE) {
2548                 /*
2549                  * Try and make sure the command is really dead before
2550                  * we release the handle (and DMA resources) for reuse.
2551                  *
2552                  * If we are successful in aborting the command then
2553                  * we're done here because we'll get the command returned
2554                  * back separately.
2555                  */
2556                 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
2557                         return;
2558                 }
2559
2560                 /*
2561                  * Note that after calling the above, the command may in
2562                  * fact have been completed.
2563                  */
2564                 xs = isp_find_xs(isp, handle);
2565
2566                 /*
2567                  * If the command no longer exists, then we won't
2568                  * be able to find the xs again with this handle.
2569                  */
2570                 if (xs == NULL) {
2571                         return;
2572                 }
2573
2574                 /*
2575                  * After this point, the command is really dead.
2576                  */
2577                 if (XS_XFRLEN(xs)) {
2578                         ISP_DMAFREE(isp, xs, handle);
2579                 }
2580                 isp_destroy_handle(isp, handle);
2581                 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
2582                 xs->ccb_h.status &= ~CAM_STATUS_MASK;
2583                 xs->ccb_h.status |= CAM_CMD_TIMEOUT;
2584                 isp_prt_endcmd(isp, xs);
2585                 isp_done(xs);
2586         } else {
2587                 if (ohandle != ISP_HANDLE_FREE) {
2588                         isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
2589                 } else {
2590                         isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
2591                 }
2592         }
2593 }
2594
2595 static void
2596 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2597 {
2598         union ccb *ccb;
2599         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2600
2601         /*
2602          * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
2603          */
2604         ccb = xpt_alloc_ccb_nowait();
2605         if (ccb == NULL) {
2606                 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
2607                 return;
2608         }
2609         if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
2610             tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2611                 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
2612                 xpt_free_ccb(ccb);
2613                 return;
2614         }
2615         xpt_rescan(ccb);
2616 }
2617
2618 static void
2619 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2620 {
2621         struct cam_path *tp;
2622         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2623
2624         if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
2625                 xpt_async(AC_LOST_DEVICE, tp, NULL);
2626                 xpt_free_path(tp);
2627         }
2628 }
2629
2630 /*
2631  * Gone Device Timer Function- when we have decided that a device has gone
2632  * away, we wait a specific period of time prior to telling the OS it has
2633  * gone away.
2634  *
2635  * This timer function fires once a second and then scans the port database
2636  * for devices that are marked dead but still have a virtual target assigned.
2637  * We decrement a counter for that port database entry, and when it hits zero,
2638  * we tell the OS the device has gone away.
2639  */
2640 static void
2641 isp_gdt(void *arg)
2642 {
2643         struct isp_fc *fc = arg;
2644         taskqueue_enqueue(taskqueue_thread, &fc->gtask);
2645 }
2646
2647 static void
2648 isp_gdt_task(void *arg, int pending)
2649 {
2650         struct isp_fc *fc = arg;
2651         ispsoftc_t *isp = fc->isp;
2652         int chan = fc - isp->isp_osinfo.pc.fc;
2653         fcportdb_t *lp;
2654         struct ac_contract ac;
2655         struct ac_device_changed *adc;
2656         int dbidx, more_to_do = 0;
2657
2658         ISP_LOCK(isp);
2659         isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
2660         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2661                 lp = &FCPARAM(isp, chan)->portdb[dbidx];
2662
2663                 if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
2664                         continue;
2665                 }
2666                 if (lp->gone_timer != 0) {
2667                         lp->gone_timer -= 1;
2668                         more_to_do++;
2669                         continue;
2670                 }
2671                 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout");
2672                 if (lp->is_target) {
2673                         lp->is_target = 0;
2674                         isp_make_gone(isp, lp, chan, dbidx);
2675                 }
2676                 if (lp->is_initiator) {
2677                         lp->is_initiator = 0;
2678                         ac.contract_number = AC_CONTRACT_DEV_CHG;
2679                         adc = (struct ac_device_changed *) ac.contract_data;
2680                         adc->wwpn = lp->port_wwn;
2681                         adc->port = lp->portid;
2682                         adc->target = dbidx;
2683                         adc->arrived = 0;
2684                         xpt_async(AC_CONTRACT, fc->path, &ac);
2685                 }
2686                 lp->state = FC_PORTDB_STATE_NIL;
2687         }
2688         if (fc->ready) {
2689                 if (more_to_do) {
2690                         callout_reset(&fc->gdt, hz, isp_gdt, fc);
2691                 } else {
2692                         callout_deactivate(&fc->gdt);
2693                         isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
2694                 }
2695         }
2696         ISP_UNLOCK(isp);
2697 }
2698
2699 /*
2700  * When loop goes down we remember the time and freeze CAM command queue.
2701  * During some time period we are trying to reprobe the loop.  But if we
2702  * fail, we tell the OS that devices have gone away and drop the freeze.
2703  *
2704  * We don't clear the devices out of our port database because, when loop
2705  * come back up, we have to do some actual cleanup with the chip at that
2706  * point (implicit PLOGO, e.g., to get the chip's port database state right).
2707  */
2708 static void
2709 isp_loop_changed(ispsoftc_t *isp, int chan)
2710 {
2711         fcparam *fcp = FCPARAM(isp, chan);
2712         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2713
2714         if (fc->loop_down_time)
2715                 return;
2716         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan);
2717         if (fcp->role & ISP_ROLE_INITIATOR)
2718                 isp_freeze_loopdown(isp, chan);
2719         fc->loop_down_time = time_uptime;
2720         wakeup(fc);
2721 }
2722
2723 static void
2724 isp_loop_up(ispsoftc_t *isp, int chan)
2725 {
2726         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2727
2728         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan);
2729         fc->loop_seen_once = 1;
2730         fc->loop_down_time = 0;
2731         isp_unfreeze_loopdown(isp, chan);
2732 }
2733
2734 static void
2735 isp_loop_dead(ispsoftc_t *isp, int chan)
2736 {
2737         fcparam *fcp = FCPARAM(isp, chan);
2738         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2739         fcportdb_t *lp;
2740         struct ac_contract ac;
2741         struct ac_device_changed *adc;
2742         int dbidx, i;
2743
2744         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan);
2745
2746         /*
2747          * Notify to the OS all targets who we now consider have departed.
2748          */
2749         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2750                 lp = &fcp->portdb[dbidx];
2751
2752                 if (lp->state == FC_PORTDB_STATE_NIL)
2753                         continue;
2754
2755                 /*
2756                  * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
2757                  */
2758                 for (i = 0; i < isp->isp_maxcmds; i++) {
2759                         struct ccb_scsiio *xs;
2760
2761                         if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) {
2762                                 continue;
2763                         }
2764                         if ((xs = isp->isp_xflist[i].cmd) == NULL) {
2765                                 continue;
2766                         }
2767                         if (dbidx != XS_TGT(xs)) {
2768                                 continue;
2769                         }
2770                         isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout",
2771                             isp->isp_xflist[i].handle, chan, XS_TGT(xs),
2772                             (uintmax_t)XS_LUN(xs));
2773                 }
2774
2775                 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout");
2776                 if (lp->is_target) {
2777                         lp->is_target = 0;
2778                         isp_make_gone(isp, lp, chan, dbidx);
2779                 }
2780                 if (lp->is_initiator) {
2781                         lp->is_initiator = 0;
2782                         ac.contract_number = AC_CONTRACT_DEV_CHG;
2783                         adc = (struct ac_device_changed *) ac.contract_data;
2784                         adc->wwpn = lp->port_wwn;
2785                         adc->port = lp->portid;
2786                         adc->target = dbidx;
2787                         adc->arrived = 0;
2788                         xpt_async(AC_CONTRACT, fc->path, &ac);
2789                 }
2790         }
2791
2792         isp_unfreeze_loopdown(isp, chan);
2793         fc->loop_down_time = 0;
2794 }
2795
2796 static void
2797 isp_kthread(void *arg)
2798 {
2799         struct isp_fc *fc = arg;
2800         ispsoftc_t *isp = fc->isp;
2801         int chan = fc - isp->isp_osinfo.pc.fc;
2802         int slp = 0, d;
2803         int lb, lim;
2804
2805         ISP_LOCK(isp);
2806         while (isp->isp_osinfo.is_exiting == 0) {
2807                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
2808                     "Chan %d Checking FC state", chan);
2809                 lb = isp_fc_runstate(isp, chan, 250000);
2810                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
2811                     "Chan %d FC got to %s state", chan,
2812                     isp_fc_loop_statename(lb));
2813
2814                 /*
2815                  * Our action is different based upon whether we're supporting
2816                  * Initiator mode or not. If we are, we might freeze the simq
2817                  * when loop is down and set all sorts of different delays to
2818                  * check again.
2819                  *
2820                  * If not, we simply just wait for loop to come up.
2821                  */
2822                 if (lb == LOOP_READY || lb < 0) {
2823                         slp = 0;
2824                 } else {
2825                         /*
2826                          * If we've never seen loop up and we've waited longer
2827                          * than quickboot time, or we've seen loop up but we've
2828                          * waited longer than loop_down_limit, give up and go
2829                          * to sleep until loop comes up.
2830                          */
2831                         if (fc->loop_seen_once == 0)
2832                                 lim = isp_quickboot_time;
2833                         else
2834                                 lim = fc->loop_down_limit;
2835                         d = time_uptime - fc->loop_down_time;
2836                         if (d >= lim)
2837                                 slp = 0;
2838                         else if (d < 10)
2839                                 slp = 1;
2840                         else if (d < 30)
2841                                 slp = 5;
2842                         else if (d < 60)
2843                                 slp = 10;
2844                         else if (d < 120)
2845                                 slp = 20;
2846                         else
2847                                 slp = 30;
2848                 }
2849
2850                 if (slp == 0) {
2851                         if (lb == LOOP_READY)
2852                                 isp_loop_up(isp, chan);
2853                         else
2854                                 isp_loop_dead(isp, chan);
2855                 }
2856
2857                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
2858                     "Chan %d sleep for %d seconds", chan, slp);
2859                 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz);
2860         }
2861         fc->num_threads -= 1;
2862         ISP_UNLOCK(isp);
2863         kthread_exit();
2864 }
2865
2866 #ifdef  ISP_TARGET_MODE
2867 static void
2868 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb)
2869 {
2870         atio_private_data_t *atp;
2871         union ccb *accb = ccb->cab.abort_ccb;
2872         struct ccb_hdr *sccb;
2873         tstate_t *tptr;
2874
2875         tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
2876         if (tptr != NULL) {
2877                 /* Search for the ATIO among queueued. */
2878                 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) {
2879                         if (sccb != &accb->ccb_h)
2880                                 continue;
2881                         SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle);
2882                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path,
2883                             "Abort FREE ATIO\n");
2884                         accb->ccb_h.status = CAM_REQ_ABORTED;
2885                         xpt_done(accb);
2886                         ccb->ccb_h.status = CAM_REQ_CMP;
2887                         return;
2888                 }
2889         }
2890
2891         /* Search for the ATIO among running. */
2892         atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id);
2893         if (atp != NULL) {
2894                 /* Send TERMINATE to firmware. */
2895                 if (!atp->dead && IS_24XX(isp)) {
2896                         uint8_t storage[QENTRY_LEN];
2897                         ct7_entry_t *cto = (ct7_entry_t *) storage;
2898
2899                         ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2900                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2901                         cto->ct_header.rqs_entry_count = 1;
2902                         cto->ct_nphdl = atp->nphdl;
2903                         cto->ct_rxid = atp->tag;
2904                         cto->ct_iid_lo = atp->sid;
2905                         cto->ct_iid_hi = atp->sid >> 16;
2906                         cto->ct_oxid = atp->oxid;
2907                         cto->ct_vpidx = XS_CHANNEL(accb);
2908                         cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2909                         isp_target_put_entry(isp, cto);
2910                 }
2911                 isp_put_atpd(isp, XS_CHANNEL(accb), atp);
2912                 ccb->ccb_h.status = CAM_REQ_CMP;
2913         } else {
2914                 ccb->ccb_h.status = CAM_UA_ABORT;
2915         }
2916 }
2917
2918 static void
2919 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb)
2920 {
2921         inot_private_data_t *ntp;
2922         union ccb *accb = ccb->cab.abort_ccb;
2923         struct ccb_hdr *sccb;
2924         tstate_t *tptr;
2925
2926         tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
2927         if (tptr != NULL) {
2928                 /* Search for the INOT among queueued. */
2929                 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) {
2930                         if (sccb != &accb->ccb_h)
2931                                 continue;
2932                         SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle);
2933                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path,
2934                             "Abort FREE INOT\n");
2935                         accb->ccb_h.status = CAM_REQ_ABORTED;
2936                         xpt_done(accb);
2937                         ccb->ccb_h.status = CAM_REQ_CMP;
2938                         return;
2939                 }
2940         }
2941
2942         /* Search for the INOT among running. */
2943         ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id);
2944         if (ntp != NULL) {
2945                 if (ntp->nt.nt_need_ack) {
2946                         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK,
2947                             ntp->nt.nt_lreserved);
2948                 }
2949                 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp);
2950                 ccb->ccb_h.status = CAM_REQ_CMP;
2951         } else {
2952                 ccb->ccb_h.status = CAM_UA_ABORT;
2953                 return;
2954         }
2955 }
2956 #endif
2957
2958 static void
2959 isp_action(struct cam_sim *sim, union ccb *ccb)
2960 {
2961         int bus, tgt, error;
2962         ispsoftc_t *isp;
2963         struct ccb_trans_settings *cts;
2964         sbintime_t ts;
2965
2966         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
2967
2968         isp = (ispsoftc_t *)cam_sim_softc(sim);
2969         ISP_ASSERT_LOCKED(isp);
2970         bus = cam_sim_bus(sim);
2971         isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
2972         ISP_PCMD(ccb) = NULL;
2973
2974         switch (ccb->ccb_h.func_code) {
2975         case XPT_SCSI_IO:       /* Execute the requested I/O operation */
2976                 /*
2977                  * Do a couple of preliminary checks...
2978                  */
2979                 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
2980                         if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
2981                                 ccb->ccb_h.status = CAM_REQ_INVALID;
2982                                 isp_done((struct ccb_scsiio *) ccb);
2983                                 break;
2984                         }
2985                 }
2986                 ccb->csio.req_map = NULL;
2987 #ifdef  DIAGNOSTIC
2988                 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) {
2989                         xpt_print(ccb->ccb_h.path, "invalid target\n");
2990                         ccb->ccb_h.status = CAM_PATH_INVALID;
2991                 } else if (ISP_MAX_LUNS(isp) > 0 &&
2992                     ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) {
2993                         xpt_print(ccb->ccb_h.path, "invalid lun\n");
2994                         ccb->ccb_h.status = CAM_PATH_INVALID;
2995                 }
2996                 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
2997                         xpt_done(ccb);
2998                         break;
2999                 }
3000 #endif
3001                 ccb->csio.scsi_status = SCSI_STATUS_OK;
3002                 if (isp_get_pcmd(isp, ccb)) {
3003                         isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
3004                         cam_freeze_devq(ccb->ccb_h.path);
3005                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
3006                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3007                         xpt_done(ccb);
3008                         break;
3009                 }
3010                 error = isp_start((XS_T *) ccb);
3011                 switch (error) {
3012                 case CMD_QUEUED:
3013                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
3014                         if (ccb->ccb_h.timeout == CAM_TIME_INFINITY)
3015                                 break;
3016                         /* Give firmware extra 10s to handle timeout. */
3017                         ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S;
3018                         callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0,
3019                             isp_watchdog, ccb, 0);
3020                         break;
3021                 case CMD_RQLATER:
3022                         isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later",
3023                             XS_TGT(ccb), (uintmax_t)XS_LUN(ccb));
3024                         cam_freeze_devq(ccb->ccb_h.path);
3025                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3026                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3027                         isp_free_pcmd(isp, ccb);
3028                         xpt_done(ccb);
3029                         break;
3030                 case CMD_EAGAIN:
3031                         isp_free_pcmd(isp, ccb);
3032                         cam_freeze_devq(ccb->ccb_h.path);
3033                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
3034                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3035                         xpt_done(ccb);
3036                         break;
3037                 case CMD_COMPLETE:
3038                         isp_done((struct ccb_scsiio *) ccb);
3039                         break;
3040                 default:
3041                         isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
3042                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3043                         isp_free_pcmd(isp, ccb);
3044                         xpt_done(ccb);
3045                 }
3046                 break;
3047
3048 #ifdef  ISP_TARGET_MODE
3049         case XPT_EN_LUN:                /* Enable/Disable LUN as a target */
3050                 if (ccb->cel.enable) {
3051                         isp_enable_lun(isp, ccb);
3052                 } else {
3053                         isp_disable_lun(isp, ccb);
3054                 }
3055                 break;
3056         case XPT_IMMEDIATE_NOTIFY:      /* Add Immediate Notify Resource */
3057         case XPT_ACCEPT_TARGET_IO:      /* Add Accept Target IO Resource */
3058         {
3059                 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
3060                 if (tptr == NULL) {
3061                         const char *str;
3062
3063                         if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY)
3064                                 str = "XPT_IMMEDIATE_NOTIFY";
3065                         else
3066                                 str = "XPT_ACCEPT_TARGET_IO";
3067                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path,
3068                             "%s: no state pointer found for %s\n",
3069                             __func__, str);
3070                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3071                         xpt_done(ccb);
3072                         break;
3073                 }
3074                 ccb->ccb_h.spriv_field0 = 0;
3075                 ccb->ccb_h.spriv_ptr1 = isp;
3076
3077                 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
3078                         ccb->atio.tag_id = 0;
3079                         SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
3080                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3081                             "Put FREE ATIO\n");
3082                 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
3083                         ccb->cin1.seq_id = ccb->cin1.tag_id = 0;
3084                         SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
3085                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3086                             "Put FREE INOT\n");
3087                 }
3088                 ccb->ccb_h.status = CAM_REQ_INPROG;
3089                 break;
3090         }
3091         case XPT_NOTIFY_ACKNOWLEDGE:            /* notify ack */
3092         {
3093                 inot_private_data_t *ntp;
3094
3095                 /*
3096                  * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
3097                  * XXX: matches that for the immediate notify, we have to *search* for the notify structure
3098                  */
3099                 /*
3100                  * All the relevant path information is in the associated immediate notify
3101                  */
3102                 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);
3103                 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id);
3104                 if (ntp == NULL) {
3105                         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__,
3106                              ccb->cna2.tag_id, ccb->cna2.seq_id);
3107                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3108                         xpt_done(ccb);
3109                         break;
3110                 }
3111                 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt,
3112                     (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) {
3113                         cam_freeze_devq(ccb->ccb_h.path);
3114                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3115                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3116                         ccb->ccb_h.status |= CAM_REQUEUE_REQ;
3117                         break;
3118                 }
3119                 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp);
3120                 ccb->ccb_h.status = CAM_REQ_CMP;
3121                 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);
3122                 xpt_done(ccb);
3123                 break;
3124         }
3125         case XPT_CONT_TARGET_IO:
3126                 isp_target_start_ctio(isp, ccb, FROM_CAM);
3127                 break;
3128 #endif
3129         case XPT_RESET_DEV:             /* BDR the specified SCSI device */
3130                 tgt = ccb->ccb_h.target_id;
3131                 tgt |= (bus << 16);
3132
3133                 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
3134                 if (error) {
3135                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3136                 } else {
3137                         /*
3138                          * If we have a FC device, reset the Command
3139                          * Reference Number, because the target will expect
3140                          * that we re-start the CRN at 1 after a reset.
3141                          */
3142                         if (IS_FC(isp))
3143                                 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3144
3145                         ccb->ccb_h.status = CAM_REQ_CMP;
3146                 }
3147                 xpt_done(ccb);
3148                 break;
3149         case XPT_ABORT:                 /* Abort the specified CCB */
3150         {
3151                 union ccb *accb = ccb->cab.abort_ccb;
3152                 switch (accb->ccb_h.func_code) {
3153 #ifdef  ISP_TARGET_MODE
3154                 case XPT_ACCEPT_TARGET_IO:
3155                         isp_abort_atio(isp, ccb);
3156                         break;
3157                 case XPT_IMMEDIATE_NOTIFY:
3158                         isp_abort_inot(isp, ccb);
3159                         break;
3160 #endif
3161                 case XPT_SCSI_IO:
3162                         error = isp_control(isp, ISPCTL_ABORT_CMD, accb);
3163                         if (error) {
3164                                 ccb->ccb_h.status = CAM_UA_ABORT;
3165                         } else {
3166                                 ccb->ccb_h.status = CAM_REQ_CMP;
3167                         }
3168                         break;
3169                 default:
3170                         ccb->ccb_h.status = CAM_REQ_INVALID;
3171                         break;
3172                 }
3173                 /*
3174                  * This is not a queued CCB, so the caller expects it to be
3175                  * complete when control is returned.
3176                  */
3177                 break;
3178         }
3179 #define IS_CURRENT_SETTINGS(c)  (c->type == CTS_TYPE_CURRENT_SETTINGS)
3180         case XPT_SET_TRAN_SETTINGS:     /* Nexus Settings */
3181                 cts = &ccb->cts;
3182                 if (!IS_CURRENT_SETTINGS(cts)) {
3183                         ccb->ccb_h.status = CAM_REQ_INVALID;
3184                         xpt_done(ccb);
3185                         break;
3186                 }
3187                 tgt = cts->ccb_h.target_id;
3188                 if (IS_SCSI(isp)) {
3189                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3190                         struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3191                         sdparam *sdp = SDPARAM(isp, bus);
3192                         uint16_t *dptr;
3193
3194                         if (spi->valid == 0 && scsi->valid == 0) {
3195                                 ccb->ccb_h.status = CAM_REQ_CMP;
3196                                 xpt_done(ccb);
3197                                 break;
3198                         }
3199
3200                         /*
3201                          * We always update (internally) from goal_flags
3202                          * so any request to change settings just gets
3203                          * vectored to that location.
3204                          */
3205                         dptr = &sdp->isp_devparam[tgt].goal_flags;
3206
3207                         if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
3208                                 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
3209                                         *dptr |= DPARM_DISC;
3210                                 else
3211                                         *dptr &= ~DPARM_DISC;
3212                         }
3213
3214                         if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
3215                                 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
3216                                         *dptr |= DPARM_TQING;
3217                                 else
3218                                         *dptr &= ~DPARM_TQING;
3219                         }
3220
3221                         if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
3222                                 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
3223                                         *dptr |= DPARM_WIDE;
3224                                 else
3225                                         *dptr &= ~DPARM_WIDE;
3226                         }
3227
3228                         /*
3229                          * XXX: FIX ME
3230                          */
3231                         if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
3232                                 *dptr |= DPARM_SYNC;
3233                                 /*
3234                                  * XXX: CHECK FOR LEGALITY
3235                                  */
3236                                 sdp->isp_devparam[tgt].goal_period = spi->sync_period;
3237                                 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
3238                         } else {
3239                                 *dptr &= ~DPARM_SYNC;
3240                         }
3241                         isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%d) to flags %x off %x per %x", bus, tgt, cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags,
3242                             sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
3243                         sdp->isp_devparam[tgt].dev_update = 1;
3244                         sdp->update = 1;
3245                 }
3246                 ccb->ccb_h.status = CAM_REQ_CMP;
3247                 xpt_done(ccb);
3248                 break;
3249         case XPT_GET_TRAN_SETTINGS:
3250                 cts = &ccb->cts;
3251                 tgt = cts->ccb_h.target_id;
3252                 if (IS_FC(isp)) {
3253                         fcparam *fcp = FCPARAM(isp, bus);
3254                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3255                         struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
3256
3257                         cts->protocol = PROTO_SCSI;
3258                         cts->protocol_version = SCSI_REV_2;
3259                         cts->transport = XPORT_FC;
3260                         cts->transport_version = 0;
3261
3262                         scsi->valid = CTS_SCSI_VALID_TQ;
3263                         scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
3264                         fc->valid = CTS_FC_VALID_SPEED;
3265                         fc->bitrate = 100000;
3266                         fc->bitrate *= fcp->isp_gbspeed;
3267                         if (tgt < MAX_FC_TARG) {
3268                                 fcportdb_t *lp = &fcp->portdb[tgt];
3269                                 fc->wwnn = lp->node_wwn;
3270                                 fc->wwpn = lp->port_wwn;
3271                                 fc->port = lp->portid;
3272                                 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
3273                         }
3274                 } else {
3275                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3276                         struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3277                         sdparam *sdp = SDPARAM(isp, bus);
3278                         uint16_t dval, pval, oval;
3279
3280                         if (IS_CURRENT_SETTINGS(cts)) {
3281                                 sdp->isp_devparam[tgt].dev_refresh = 1;
3282                                 sdp->update = 1;
3283                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3284                                 dval = sdp->isp_devparam[tgt].actv_flags;
3285                                 oval = sdp->isp_devparam[tgt].actv_offset;
3286                                 pval = sdp->isp_devparam[tgt].actv_period;
3287                         } else {
3288                                 dval = sdp->isp_devparam[tgt].nvrm_flags;
3289                                 oval = sdp->isp_devparam[tgt].nvrm_offset;
3290                                 pval = sdp->isp_devparam[tgt].nvrm_period;
3291                         }
3292
3293                         cts->protocol = PROTO_SCSI;
3294                         cts->protocol_version = SCSI_REV_2;
3295                         cts->transport = XPORT_SPI;
3296                         cts->transport_version = 2;
3297
3298                         spi->valid = 0;
3299                         scsi->valid = 0;
3300                         spi->flags = 0;
3301                         scsi->flags = 0;
3302                         if (dval & DPARM_DISC) {
3303                                 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3304                         }
3305                         if ((dval & DPARM_SYNC) && oval && pval) {
3306                                 spi->sync_offset = oval;
3307                                 spi->sync_period = pval;
3308                         } else {
3309                                 spi->sync_offset = 0;
3310                                 spi->sync_period = 0;
3311                         }
3312                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3313                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3314                         spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
3315                         if (dval & DPARM_WIDE) {
3316                                 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3317                         } else {
3318                                 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3319                         }
3320                         if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3321                                 scsi->valid = CTS_SCSI_VALID_TQ;
3322                                 if (dval & DPARM_TQING) {
3323                                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3324                                 }
3325                                 spi->valid |= CTS_SPI_VALID_DISC;
3326                         }
3327                         isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%d) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
3328                             bus, tgt, cts->ccb_h.target_lun, dval, oval, pval);
3329                 }
3330                 ccb->ccb_h.status = CAM_REQ_CMP;
3331                 xpt_done(ccb);
3332                 break;
3333
3334         case XPT_CALC_GEOMETRY:
3335                 cam_calc_geometry(&ccb->ccg, 1);
3336                 xpt_done(ccb);
3337                 break;
3338
3339         case XPT_RESET_BUS:             /* Reset the specified bus */
3340                 error = isp_control(isp, ISPCTL_RESET_BUS, bus);
3341                 if (error) {
3342                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3343                         xpt_done(ccb);
3344                         break;
3345                 }
3346                 if (bootverbose) {
3347                         xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
3348                 }
3349                 if (IS_FC(isp)) {
3350                         xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
3351                 } else {
3352                         xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
3353                 }
3354                 ccb->ccb_h.status = CAM_REQ_CMP;
3355                 xpt_done(ccb);
3356                 break;
3357
3358         case XPT_TERM_IO:               /* Terminate the I/O process */
3359                 ccb->ccb_h.status = CAM_REQ_INVALID;
3360                 xpt_done(ccb);
3361                 break;
3362
3363         case XPT_SET_SIM_KNOB:          /* Set SIM knobs */
3364         {
3365                 struct ccb_sim_knob *kp = &ccb->knob;
3366                 fcparam *fcp;
3367
3368                 if (!IS_FC(isp)) {
3369                         ccb->ccb_h.status = CAM_REQ_INVALID;
3370                         xpt_done(ccb);
3371                         break;
3372                 }
3373
3374                 fcp = FCPARAM(isp, bus);
3375
3376                 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
3377                         fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
3378                         fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
3379                         isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
3380                 }
3381                 ccb->ccb_h.status = CAM_REQ_CMP;
3382                 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
3383                         int rchange = 0;
3384                         int newrole = 0;
3385
3386                         switch (kp->xport_specific.fc.role) {
3387                         case KNOB_ROLE_NONE:
3388                                 if (fcp->role != ISP_ROLE_NONE) {
3389                                         rchange = 1;
3390                                         newrole = ISP_ROLE_NONE;
3391                                 }
3392                                 break;
3393                         case KNOB_ROLE_TARGET:
3394                                 if (fcp->role != ISP_ROLE_TARGET) {
3395                                         rchange = 1;
3396                                         newrole = ISP_ROLE_TARGET;
3397                                 }
3398                                 break;
3399                         case KNOB_ROLE_INITIATOR:
3400                                 if (fcp->role != ISP_ROLE_INITIATOR) {
3401                                         rchange = 1;
3402                                         newrole = ISP_ROLE_INITIATOR;
3403                                 }
3404                                 break;
3405                         case KNOB_ROLE_BOTH:
3406                                 if (fcp->role != ISP_ROLE_BOTH) {
3407                                         rchange = 1;
3408                                         newrole = ISP_ROLE_BOTH;
3409                                 }
3410                                 break;
3411                         }
3412                         if (rchange) {
3413                                 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
3414                                 if (isp_control(isp, ISPCTL_CHANGE_ROLE,
3415                                     bus, newrole) != 0) {
3416                                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3417                                         xpt_done(ccb);
3418                                         break;
3419                                 }
3420                         }
3421                 }
3422                 xpt_done(ccb);
3423                 break;
3424         }
3425         case XPT_GET_SIM_KNOB:          /* Get SIM knobs */
3426         {
3427                 struct ccb_sim_knob *kp = &ccb->knob;
3428
3429                 if (IS_FC(isp)) {
3430                         fcparam *fcp;
3431
3432                         fcp = FCPARAM(isp, bus);
3433
3434                         kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
3435                         kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
3436                         switch (fcp->role) {
3437                         case ISP_ROLE_NONE:
3438                                 kp->xport_specific.fc.role = KNOB_ROLE_NONE;
3439                                 break;
3440                         case ISP_ROLE_TARGET:
3441                                 kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
3442                                 break;
3443                         case ISP_ROLE_INITIATOR:
3444                                 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
3445                                 break;
3446                         case ISP_ROLE_BOTH:
3447                                 kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
3448                                 break;
3449                         }
3450                         kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
3451                         ccb->ccb_h.status = CAM_REQ_CMP;
3452                 } else {
3453                         ccb->ccb_h.status = CAM_REQ_INVALID;
3454                 }
3455                 xpt_done(ccb);
3456                 break;
3457         }
3458         case XPT_PATH_INQ:              /* Path routing inquiry */
3459         {
3460                 struct ccb_pathinq *cpi = &ccb->cpi;
3461
3462                 cpi->version_num = 1;
3463 #ifdef  ISP_TARGET_MODE
3464                 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp))
3465                         cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
3466                 else
3467 #endif
3468                         cpi->target_sprt = 0;
3469                 cpi->hba_eng_cnt = 0;
3470                 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
3471                 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ?
3472                     255 : ISP_MAX_LUNS(isp) - 1;
3473                 cpi->bus_id = cam_sim_bus(sim);
3474                 if (isp->isp_osinfo.sixtyfourbit)
3475                         cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
3476                 else
3477                         cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
3478
3479                 if (IS_FC(isp)) {
3480                         fcparam *fcp = FCPARAM(isp, bus);
3481
3482                         cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
3483                         cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN;
3484
3485                         /*
3486                          * Because our loop ID can shift from time to time,
3487                          * make our initiator ID out of range of our bus.
3488                          */
3489                         cpi->initiator_id = cpi->max_target + 1;
3490
3491                         /*
3492                          * Set base transfer capabilities for Fibre Channel, for this HBA.
3493                          */
3494                         if (IS_25XX(isp)) {
3495                                 cpi->base_transfer_speed = 8000000;
3496                         } else if (IS_24XX(isp)) {
3497                                 cpi->base_transfer_speed = 4000000;
3498                         } else if (IS_23XX(isp)) {
3499                                 cpi->base_transfer_speed = 2000000;
3500                         } else {
3501                                 cpi->base_transfer_speed = 1000000;
3502                         }
3503                         cpi->hba_inquiry = PI_TAG_ABLE;
3504                         cpi->transport = XPORT_FC;
3505                         cpi->transport_version = 0;
3506                         cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
3507                         cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
3508                         cpi->xport_specific.fc.port = fcp->isp_portid;
3509                         cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
3510                 } else {
3511                         sdparam *sdp = SDPARAM(isp, bus);
3512                         cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3513                         cpi->hba_misc = PIM_UNMAPPED;
3514                         cpi->initiator_id = sdp->isp_initiator_id;
3515                         cpi->base_transfer_speed = 3300;
3516                         cpi->transport = XPORT_SPI;
3517                         cpi->transport_version = 2;
3518                 }
3519                 cpi->protocol = PROTO_SCSI;
3520                 cpi->protocol_version = SCSI_REV_2;
3521                 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
3522                 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
3523                 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
3524                 cpi->unit_number = cam_sim_unit(sim);
3525                 cpi->ccb_h.status = CAM_REQ_CMP;
3526                 xpt_done(ccb);
3527                 break;
3528         }
3529         default:
3530                 ccb->ccb_h.status = CAM_REQ_INVALID;
3531                 xpt_done(ccb);
3532                 break;
3533         }
3534 }
3535
3536 void
3537 isp_done(XS_T *sccb)
3538 {
3539         ispsoftc_t *isp = XS_ISP(sccb);
3540         uint32_t status;
3541
3542         if (XS_NOERR(sccb))
3543                 XS_SETERR(sccb, CAM_REQ_CMP);
3544
3545         if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
3546                 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
3547                 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
3548                         sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
3549                 } else {
3550                         sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
3551                 }
3552         }
3553
3554         sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
3555         status = sccb->ccb_h.status & CAM_STATUS_MASK;
3556         if (status != CAM_REQ_CMP &&
3557             (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
3558                 sccb->ccb_h.status |= CAM_DEV_QFRZN;
3559                 xpt_freeze_devq(sccb->ccb_h.path, 1);
3560         }
3561
3562         if (ISP_PCMD(sccb)) {
3563                 if (callout_active(&PISP_PCMD(sccb)->wdog))
3564                         callout_stop(&PISP_PCMD(sccb)->wdog);
3565                 isp_free_pcmd(isp, (union ccb *) sccb);
3566         }
3567         xpt_done((union ccb *) sccb);
3568 }
3569
3570 void
3571 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
3572 {
3573         int bus;
3574         static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s";
3575         char buf[64];
3576         char *msg = NULL;
3577         target_id_t tgt;
3578         fcportdb_t *lp;
3579         struct isp_fc *fc;
3580         struct cam_path *tmppath;
3581         struct ac_contract ac;
3582         struct ac_device_changed *adc;
3583         va_list ap;
3584
3585         switch (cmd) {
3586         case ISPASYNC_NEW_TGT_PARAMS:
3587         {
3588                 struct ccb_trans_settings_scsi *scsi;
3589                 struct ccb_trans_settings_spi *spi;
3590                 int flags, tgt;
3591                 sdparam *sdp;
3592                 struct ccb_trans_settings cts;
3593
3594                 memset(&cts, 0, sizeof (struct ccb_trans_settings));
3595
3596                 va_start(ap, cmd);
3597                 bus = va_arg(ap, int);
3598                 tgt = va_arg(ap, int);
3599                 va_end(ap);
3600                 sdp = SDPARAM(isp, bus);
3601
3602                 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
3603                         isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
3604                         break;
3605                 }
3606                 flags = sdp->isp_devparam[tgt].actv_flags;
3607                 cts.type = CTS_TYPE_CURRENT_SETTINGS;
3608                 cts.protocol = PROTO_SCSI;
3609                 cts.transport = XPORT_SPI;
3610
3611                 scsi = &cts.proto_specific.scsi;
3612                 spi = &cts.xport_specific.spi;
3613
3614                 if (flags & DPARM_TQING) {
3615                         scsi->valid |= CTS_SCSI_VALID_TQ;
3616                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3617                 }
3618
3619                 if (flags & DPARM_DISC) {
3620                         spi->valid |= CTS_SPI_VALID_DISC;
3621                         spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3622                 }
3623                 spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
3624                 if (flags & DPARM_WIDE) {
3625                         spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3626                 } else {
3627                         spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3628                 }
3629                 if (flags & DPARM_SYNC) {
3630                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3631                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3632                         spi->sync_period = sdp->isp_devparam[tgt].actv_period;
3633                         spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
3634                 }
3635                 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);
3636                 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
3637                 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
3638                 xpt_free_path(tmppath);
3639                 break;
3640         }
3641         case ISPASYNC_BUS_RESET:
3642         {
3643                 va_start(ap, cmd);
3644                 bus = va_arg(ap, int);
3645                 va_end(ap);
3646                 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
3647                 if (IS_FC(isp)) {
3648                         xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
3649                 } else {
3650                         xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
3651                 }
3652                 break;
3653         }
3654         case ISPASYNC_LIP:
3655                 if (msg == NULL)
3656                         msg = "LIP Received";
3657                 /* FALLTHROUGH */
3658         case ISPASYNC_LOOP_RESET:
3659                 if (msg == NULL)
3660                         msg = "LOOP Reset";
3661                 /* FALLTHROUGH */
3662         case ISPASYNC_LOOP_DOWN:
3663                 if (msg == NULL)
3664                         msg = "LOOP Down";
3665                 va_start(ap, cmd);
3666                 bus = va_arg(ap, int);
3667                 va_end(ap);
3668                 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0);
3669                 isp_loop_changed(isp, bus);
3670                 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
3671                 break;
3672         case ISPASYNC_LOOP_UP:
3673                 va_start(ap, cmd);
3674                 bus = va_arg(ap, int);
3675                 va_end(ap);
3676                 isp_loop_changed(isp, bus);
3677                 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
3678                 break;
3679         case ISPASYNC_DEV_ARRIVED:
3680                 va_start(ap, cmd);
3681                 bus = va_arg(ap, int);
3682                 lp = va_arg(ap, fcportdb_t *);
3683                 va_end(ap);
3684                 fc = ISP_FC_PC(isp, bus);
3685                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3686                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
3687                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived");
3688                 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
3689                     (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
3690                         lp->is_target = 1;
3691                         isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3692                         isp_make_here(isp, lp, bus, tgt);
3693                 }
3694                 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
3695                     (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) {
3696                         lp->is_initiator = 1;
3697                         ac.contract_number = AC_CONTRACT_DEV_CHG;
3698                         adc = (struct ac_device_changed *) ac.contract_data;
3699                         adc->wwpn = lp->port_wwn;
3700                         adc->port = lp->portid;
3701                         adc->target = tgt;
3702                         adc->arrived = 1;
3703                         xpt_async(AC_CONTRACT, fc->path, &ac);
3704                 }
3705                 break;
3706         case ISPASYNC_DEV_CHANGED:
3707                 va_start(ap, cmd);
3708                 bus = va_arg(ap, int);
3709                 lp = va_arg(ap, fcportdb_t *);
3710                 va_end(ap);
3711                 fc = ISP_FC_PC(isp, bus);
3712                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3713                 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3);
3714                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed");
3715 changed:
3716                 if (lp->is_target !=
3717                     ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
3718                      (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) {
3719                         lp->is_target = !lp->is_target;
3720                         if (lp->is_target) {
3721                                 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3722                                 isp_make_here(isp, lp, bus, tgt);
3723                         } else {
3724                                 isp_make_gone(isp, lp, bus, tgt);
3725                                 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3726                         }
3727                 }
3728                 if (lp->is_initiator !=
3729                     ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
3730                      (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) {
3731                         lp->is_initiator = !lp->is_initiator;
3732                         ac.contract_number = AC_CONTRACT_DEV_CHG;
3733                         adc = (struct ac_device_changed *) ac.contract_data;
3734                         adc->wwpn = lp->port_wwn;
3735                         adc->port = lp->portid;
3736                         adc->target = tgt;
3737                         adc->arrived = lp->is_initiator;
3738                         xpt_async(AC_CONTRACT, fc->path, &ac);
3739                 }
3740                 break;
3741         case ISPASYNC_DEV_STAYED:
3742                 va_start(ap, cmd);
3743                 bus = va_arg(ap, int);
3744                 lp = va_arg(ap, fcportdb_t *);
3745                 va_end(ap);
3746                 fc = ISP_FC_PC(isp, bus);
3747                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3748                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
3749                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed");
3750                 goto changed;
3751         case ISPASYNC_DEV_GONE:
3752                 va_start(ap, cmd);
3753                 bus = va_arg(ap, int);
3754                 lp = va_arg(ap, fcportdb_t *);
3755                 va_end(ap);
3756                 fc = ISP_FC_PC(isp, bus);
3757                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3758                 /*
3759                  * If this has a virtual target or initiator set the isp_gdt
3760                  * timer running on it to delay its departure.
3761                  */
3762                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
3763                 if (lp->is_target || lp->is_initiator) {
3764                         lp->state = FC_PORTDB_STATE_ZOMBIE;
3765                         lp->gone_timer = fc->gone_device_time;
3766                         isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie");
3767                         if (fc->ready && !callout_active(&fc->gdt)) {
3768                                 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);
3769                                 callout_reset(&fc->gdt, hz, isp_gdt, fc);
3770                         }
3771                         break;
3772                 }
3773                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone");
3774                 break;
3775         case ISPASYNC_CHANGE_NOTIFY:
3776         {
3777                 char *msg;
3778                 int evt, nphdl, nlstate, portid, reason;
3779
3780                 va_start(ap, cmd);
3781                 bus = va_arg(ap, int);
3782                 evt = va_arg(ap, int);
3783                 if (evt == ISPASYNC_CHANGE_PDB) {
3784                         nphdl = va_arg(ap, int);
3785                         nlstate = va_arg(ap, int);
3786                         reason = va_arg(ap, int);
3787                 } else if (evt == ISPASYNC_CHANGE_SNS) {
3788                         portid = va_arg(ap, int);
3789                 } else {
3790                         nphdl = NIL_HANDLE;
3791                         nlstate = reason = 0;
3792                 }
3793                 va_end(ap);
3794                 fc = ISP_FC_PC(isp, bus);
3795
3796                 if (evt == ISPASYNC_CHANGE_PDB) {
3797                         msg = "Port Database Changed";
3798                         isp_prt(isp, ISP_LOGINFO,
3799                             "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)",
3800                             bus, msg, nphdl, nlstate, reason);
3801                 } else if (evt == ISPASYNC_CHANGE_SNS) {
3802                         msg = "Name Server Database Changed";
3803                         isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)",
3804                             bus, msg, portid);
3805                 } else {
3806                         msg = "Other Change Notify";
3807                         isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
3808                 }
3809                 isp_loop_changed(isp, bus);
3810                 break;
3811         }
3812 #ifdef  ISP_TARGET_MODE
3813         case ISPASYNC_TARGET_NOTIFY:
3814         {
3815                 isp_notify_t *notify;
3816                 va_start(ap, cmd);
3817                 notify = va_arg(ap, isp_notify_t *);
3818                 va_end(ap);
3819                 switch (notify->nt_ncode) {
3820                 case NT_ABORT_TASK:
3821                 case NT_ABORT_TASK_SET:
3822                 case NT_CLEAR_ACA:
3823                 case NT_CLEAR_TASK_SET:
3824                 case NT_LUN_RESET:
3825                 case NT_TARGET_RESET:
3826                 case NT_QUERY_TASK_SET:
3827                 case NT_QUERY_ASYNC_EVENT:
3828                         /*
3829                          * These are task management functions.
3830                          */
3831                         isp_handle_platform_target_tmf(isp, notify);
3832                         break;
3833                 case NT_BUS_RESET:
3834                 case NT_LIP_RESET:
3835                 case NT_LINK_UP:
3836                 case NT_LINK_DOWN:
3837                 case NT_HBA_RESET:
3838                         /*
3839                          * No action need be taken here.
3840                          */
3841                         break;
3842                 case NT_GLOBAL_LOGOUT:
3843                 case NT_LOGOUT:
3844                         /*
3845                          * This is device arrival/departure notification
3846                          */
3847                         isp_handle_platform_target_notify_ack(isp, notify, 0);
3848                         break;
3849                 case NT_SRR:
3850                         isp_handle_platform_srr(isp, notify);
3851                         break;
3852                 default:
3853                         isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
3854                         isp_handle_platform_target_notify_ack(isp, notify, 0);
3855                         break;
3856                 }
3857                 break;
3858         }
3859         case ISPASYNC_TARGET_NOTIFY_ACK:
3860         {
3861                 void *inot;
3862                 va_start(ap, cmd);
3863                 inot = va_arg(ap, void *);
3864                 va_end(ap);
3865                 if (isp_notify_ack(isp, inot)) {
3866                         isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
3867                         if (tp) {
3868                                 tp->isp = isp;
3869                                 memcpy(tp->data, inot, sizeof (tp->data));
3870                                 tp->not = tp->data;
3871                                 callout_init_mtx(&tp->timer, &isp->isp_lock, 0);
3872                                 callout_reset(&tp->timer, 5,
3873                                     isp_refire_notify_ack, tp);
3874                         } else {
3875                                 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
3876                         }
3877                 }
3878                 break;
3879         }
3880         case ISPASYNC_TARGET_ACTION:
3881         {
3882                 isphdr_t *hp;
3883
3884                 va_start(ap, cmd);
3885                 hp = va_arg(ap, isphdr_t *);
3886                 va_end(ap);
3887                 switch (hp->rqs_entry_type) {
3888                 case RQSTYPE_ATIO:
3889                         isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
3890                         break;
3891                 case RQSTYPE_ATIO2:
3892                         isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
3893                         break;
3894                 case RQSTYPE_CTIO7:
3895                 case RQSTYPE_CTIO3:
3896                 case RQSTYPE_CTIO2:
3897                 case RQSTYPE_CTIO:
3898                         isp_handle_platform_ctio(isp, hp);
3899                         break;
3900                 default:
3901                         isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x",
3902                             __func__, hp->rqs_entry_type);
3903                         break;
3904                 }
3905                 break;
3906         }
3907 #endif
3908         case ISPASYNC_FW_CRASH:
3909         {
3910                 uint16_t mbox1, mbox6;
3911                 mbox1 = ISP_READ(isp, OUTMAILBOX1);
3912                 if (IS_DUALBUS(isp)) {
3913                         mbox6 = ISP_READ(isp, OUTMAILBOX6);
3914                 } else {
3915                         mbox6 = 0;
3916                 }
3917                 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
3918 #if 0
3919                 mbox1 = isp->isp_osinfo.mbox_sleep_ok;
3920                 isp->isp_osinfo.mbox_sleep_ok = 0;
3921                 isp_reinit(isp, 1);
3922                 isp->isp_osinfo.mbox_sleep_ok = mbox1;
3923                 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
3924 #endif
3925                 break;
3926         }
3927         default:
3928                 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
3929                 break;
3930         }
3931 }
3932
3933 uint64_t
3934 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
3935 {
3936         uint64_t seed;
3937         struct isp_fc *fc = ISP_FC_PC(isp, chan);
3938
3939         /* First try to use explicitly configured WWNs. */
3940         seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
3941         if (seed)
3942                 return (seed);
3943
3944         /* Otherwise try to use WWNs from NVRAM. */
3945         if (isactive) {
3946                 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram :
3947                     FCPARAM(isp, chan)->isp_wwpn_nvram;
3948                 if (seed)
3949                         return (seed);
3950         }
3951
3952         /* If still no WWNs, try to steal them from the first channel. */
3953         if (chan > 0) {
3954                 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn :
3955                     ISP_FC_PC(isp, 0)->def_wwpn;
3956                 if (seed == 0) {
3957                         seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram :
3958                             FCPARAM(isp, 0)->isp_wwpn_nvram;
3959                 }
3960         }
3961
3962         /* If still nothing -- improvise. */
3963         if (seed == 0) {
3964                 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev);
3965                 if (!iswwnn)
3966                         seed ^= 0x0100000000000000ULL;
3967         }
3968
3969         /* For additional channels we have to improvise even more. */
3970         if (!iswwnn && chan > 0) {
3971                 /*
3972                  * We'll stick our channel number plus one first into bits
3973                  * 57..59 and thence into bits 52..55 which allows for 8 bits
3974                  * of channel which is enough for our maximum of 255 channels.
3975                  */
3976                 seed ^= 0x0100000000000000ULL;
3977                 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56;
3978                 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
3979         }
3980         return (seed);
3981 }
3982
3983 void
3984 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
3985 {
3986         int loc;
3987         char lbuf[200];
3988         va_list ap;
3989
3990         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
3991                 return;
3992         }
3993         snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
3994         loc = strlen(lbuf);
3995         va_start(ap, fmt);
3996         vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
3997         va_end(ap);
3998         printf("%s\n", lbuf);
3999 }
4000
4001 void
4002 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
4003 {
4004         va_list ap;
4005         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4006                 return;
4007         }
4008         xpt_print_path(xs->ccb_h.path);
4009         va_start(ap, fmt);
4010         vprintf(fmt, ap);
4011         va_end(ap);
4012         printf("\n");
4013 }
4014
4015 uint64_t
4016 isp_nanotime_sub(struct timespec *b, struct timespec *a)
4017 {
4018         uint64_t elapsed;
4019         struct timespec x = *b;
4020         timespecsub(&x, a);
4021         elapsed = GET_NANOSEC(&x);
4022         if (elapsed == 0)
4023                 elapsed++;
4024         return (elapsed);
4025 }
4026
4027 int
4028 isp_mbox_acquire(ispsoftc_t *isp)
4029 {
4030         if (isp->isp_osinfo.mboxbsy) {
4031                 return (1);
4032         } else {
4033                 isp->isp_osinfo.mboxcmd_done = 0;
4034                 isp->isp_osinfo.mboxbsy = 1;
4035                 return (0);
4036         }
4037 }
4038
4039 void
4040 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
4041 {
4042         u_int t, to;
4043
4044         to = (mbp->timeout == 0) ? MBCMD_DEFAULT_TIMEOUT : mbp->timeout;
4045         if (isp->isp_osinfo.mbox_sleep_ok) {
4046                 isp->isp_osinfo.mbox_sleep_ok = 0;
4047                 isp->isp_osinfo.mbox_sleeping = 1;
4048                 msleep_sbt(&isp->isp_osinfo.mboxcmd_done, &isp->isp_lock,
4049                     PRIBIO, "ispmbx_sleep", to * SBT_1US, 0, 0);
4050                 isp->isp_osinfo.mbox_sleep_ok = 1;
4051                 isp->isp_osinfo.mbox_sleeping = 0;
4052         } else {
4053                 for (t = 0; t < to; t += 100) {
4054                         if (isp->isp_osinfo.mboxcmd_done)
4055                                 break;
4056                         ISP_RUN_ISR(isp);
4057                         if (isp->isp_osinfo.mboxcmd_done)
4058                                 break;
4059                         ISP_DELAY(100);
4060                 }
4061         }
4062         if (isp->isp_osinfo.mboxcmd_done == 0) {
4063                 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (%s:%d)",
4064                     isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled",
4065                     isp->isp_lastmbxcmd, to, mbp->func, mbp->lineno);
4066                 mbp->param[0] = MBOX_TIMEOUT;
4067                 isp->isp_osinfo.mboxcmd_done = 1;
4068         }
4069 }
4070
4071 void
4072 isp_mbox_notify_done(ispsoftc_t *isp)
4073 {
4074         isp->isp_osinfo.mboxcmd_done = 1;
4075         if (isp->isp_osinfo.mbox_sleeping)
4076                 wakeup(&isp->isp_osinfo.mboxcmd_done);
4077 }
4078
4079 void
4080 isp_mbox_release(ispsoftc_t *isp)
4081 {
4082         isp->isp_osinfo.mboxbsy = 0;
4083 }
4084
4085 int
4086 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
4087 {
4088         int ret = 0;
4089         if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
4090                 ret = -1;
4091         } else {
4092                 isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
4093         }
4094         return (ret);
4095 }
4096
4097 void
4098 isp_platform_intr(void *arg)
4099 {
4100         ispsoftc_t *isp = arg;
4101
4102         ISP_LOCK(isp);
4103         ISP_RUN_ISR(isp);
4104         ISP_UNLOCK(isp);
4105 }
4106
4107 void
4108 isp_platform_intr_resp(void *arg)
4109 {
4110         ispsoftc_t *isp = arg;
4111
4112         ISP_LOCK(isp);
4113         isp_intr_respq(isp);
4114         ISP_UNLOCK(isp);
4115
4116         /* We have handshake enabled, so explicitly complete interrupt */
4117         ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
4118 }
4119
4120 void
4121 isp_platform_intr_atio(void *arg)
4122 {
4123         ispsoftc_t *isp = arg;
4124
4125         ISP_LOCK(isp);
4126 #ifdef  ISP_TARGET_MODE
4127         isp_intr_atioq(isp);
4128 #endif
4129         ISP_UNLOCK(isp);
4130
4131         /* We have handshake enabled, so explicitly complete interrupt */
4132         ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
4133 }
4134
4135 void
4136 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
4137 {
4138         if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
4139                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
4140         } else {
4141                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
4142         }
4143         bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
4144 }
4145
4146 /*
4147  * Reset the command reference number for all LUNs on a specific target
4148  * (needed when a target arrives again) or for all targets on a port
4149  * (needed for events like a LIP).
4150  */
4151 void
4152 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set)
4153 {
4154         struct isp_fc *fc = ISP_FC_PC(isp, chan);
4155         struct isp_nexus *nxp;
4156         int i;
4157
4158         if (tgt_set == 0)
4159                 isp_prt(isp, ISP_LOGDEBUG0,
4160                     "Chan %d resetting CRN on all targets", chan);
4161         else
4162                 isp_prt(isp, ISP_LOGDEBUG0,
4163                     "Chan %d resetting CRN on target %u", chan, tgt);
4164
4165         for (i = 0; i < NEXUS_HASH_WIDTH; i++) {
4166                 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) {
4167                         if (tgt_set == 0 || tgt == nxp->tgt)
4168                                 nxp->crnseed = 0;
4169                 }
4170         }
4171 }
4172
4173 int
4174 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
4175 {
4176         lun_id_t lun;
4177         uint32_t chan, tgt;
4178         struct isp_fc *fc;
4179         struct isp_nexus *nxp;
4180         int idx;
4181
4182         if (IS_2100(isp))
4183                 return (0);
4184
4185         chan = XS_CHANNEL(cmd);
4186         tgt = XS_TGT(cmd);
4187         lun = XS_LUN(cmd);
4188         fc = &isp->isp_osinfo.pc.fc[chan];
4189         idx = NEXUS_HASH(tgt, lun);
4190         nxp = fc->nexus_hash[idx];
4191
4192         while (nxp) {
4193                 if (nxp->tgt == tgt && nxp->lun == lun)
4194                         break;
4195                 nxp = nxp->next;
4196         }
4197         if (nxp == NULL) {
4198                 nxp = fc->nexus_free_list;
4199                 if (nxp == NULL) {
4200                         nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
4201                         if (nxp == NULL) {
4202                                 return (-1);
4203                         }
4204                 } else {
4205                         fc->nexus_free_list = nxp->next;
4206                 }
4207                 nxp->tgt = tgt;
4208                 nxp->lun = lun;
4209                 nxp->next = fc->nexus_hash[idx];
4210                 fc->nexus_hash[idx] = nxp;
4211         }
4212         if (nxp->crnseed == 0)
4213                 nxp->crnseed = 1;
4214         PISP_PCMD(cmd)->crn = nxp->crnseed;
4215         *crnp = nxp->crnseed++;
4216         return (0);
4217 }
4218
4219 /*
4220  * We enter with the lock held
4221  */
4222 void
4223 isp_timer(void *arg)
4224 {
4225         ispsoftc_t *isp = arg;
4226 #ifdef  ISP_TARGET_MODE
4227         isp_tmcmd_restart(isp);
4228 #endif
4229         callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
4230 }
4231
4232 isp_ecmd_t *
4233 isp_get_ecmd(ispsoftc_t *isp)
4234 {
4235         isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
4236         if (ecmd) {
4237                 isp->isp_osinfo.ecmd_free = ecmd->next;
4238         }
4239         return (ecmd);
4240 }
4241
4242 void
4243 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
4244 {
4245         ecmd->next = isp->isp_osinfo.ecmd_free;
4246         isp->isp_osinfo.ecmd_free = ecmd;
4247 }