sys/dev/isp/isp_freebsd.c

   1 /*-
   2  * Copyright (c) 2009-2017 Alexander Motin <mav@FreeBSD.org>
   3  * Copyright (c) 1997-2009 by Matthew Jacob
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice immediately at the beginning of the file, without modification,
  11  *    this list of conditions, and the following disclaimer.
  12  * 2. The name of the author may not be used to endorse or promote products
  13  *    derived from this software without specific prior written permission.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  19  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  */
  27
  28 /*
  29  * Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
  30  */
  31 #include <sys/cdefs.h>
  32 __FBSDID("$FreeBSD$");
  33
  34 #include <dev/isp/isp_freebsd.h>
  35 #include <sys/unistd.h>
  36 #include <sys/kthread.h>
  37 #include <sys/conf.h>
  38 #include <sys/module.h>
  39 #include <sys/ioccom.h>
  40 #include <dev/isp/isp_ioctl.h>
  41 #include <sys/devicestat.h>
  42 #include <cam/cam_periph.h>
  43 #include <cam/cam_xpt_periph.h>
  44
  45 MODULE_VERSION(isp, 1);
  46 MODULE_DEPEND(isp, cam, 1, 1, 1);
  47 int isp_announced = 0;
  48 int isp_loop_down_limit = 60;   /* default loop down limit */
  49 int isp_quickboot_time = 7;     /* don't wait more than N secs for loop up */
  50 int isp_gone_device_time = 30;  /* grace time before reporting device lost */
  51 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s";
  52
  53 static void isp_freeze_loopdown(ispsoftc_t *, int);
  54 static void isp_loop_changed(ispsoftc_t *isp, int chan);
  55 static d_ioctl_t ispioctl;
  56 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
  57 static void isp_poll(struct cam_sim *);
  58 static timeout_t isp_watchdog;
  59 static timeout_t isp_gdt;
  60 static task_fn_t isp_gdt_task;
  61 static void isp_kthread(void *);
  62 static void isp_action(struct cam_sim *, union ccb *);
  63 static int isp_timer_count;
  64 static void isp_timer(void *);
  65
  66 static struct cdevsw isp_cdevsw = {
  67         .d_version =    D_VERSION,
  68         .d_ioctl =      ispioctl,
  69         .d_name =       "isp",
  70 };
  71
  72 static int
  73 isp_role_sysctl(SYSCTL_HANDLER_ARGS)
  74 {
  75         ispsoftc_t *isp = (ispsoftc_t *)arg1;
  76         int chan = arg2;
  77         int error, old, value;
  78
  79         value = FCPARAM(isp, chan)->role;
  80
  81         error = sysctl_handle_int(oidp, &value, 0, req);
  82         if ((error != 0) || (req->newptr == NULL))
  83                 return (error);
  84
  85         if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH)
  86                 return (EINVAL);
  87
  88         ISP_LOCK(isp);
  89         old = FCPARAM(isp, chan)->role;
  90
  91         /* We don't allow target mode switch from here. */
  92         value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR);
  93
  94         /* If nothing has changed -- we are done. */
  95         if (value == old) {
  96                 ISP_UNLOCK(isp);
  97                 return (0);
  98         }
  99
 100         /* Actually change the role. */
 101         error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value);
 102         ISP_UNLOCK(isp);
 103         return (error);
 104 }
 105
 106 static int
 107 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
 108 {
 109         struct ccb_setasync csa;
 110         struct cam_sim *sim;
 111         struct cam_path *path;
 112 #ifdef  ISP_TARGET_MODE
 113         int i;
 114 #endif
 115
 116         sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
 117             device_get_unit(isp->isp_dev), &isp->isp_lock,
 118             isp->isp_maxcmds, isp->isp_maxcmds, devq);
 119         if (sim == NULL)
 120                 return (ENOMEM);
 121
 122         ISP_LOCK(isp);
 123         if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
 124                 ISP_UNLOCK(isp);
 125                 cam_sim_free(sim, FALSE);
 126                 return (EIO);
 127         }
 128         ISP_UNLOCK(isp);
 129         if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 130                 ISP_LOCK(isp);
 131                 xpt_bus_deregister(cam_sim_path(sim));
 132                 ISP_UNLOCK(isp);
 133                 cam_sim_free(sim, FALSE);
 134                 return (ENXIO);
 135         }
 136         xpt_setup_ccb(&csa.ccb_h, path, 5);
 137         csa.ccb_h.func_code = XPT_SASYNC_CB;
 138         csa.event_enable = AC_LOST_DEVICE;
 139         csa.callback = isp_cam_async;
 140         csa.callback_arg = sim;
 141
 142         ISP_LOCK(isp);
 143         xpt_action((union ccb *)&csa);
 144         ISP_UNLOCK(isp);
 145
 146         if (IS_SCSI(isp)) {
 147                 struct isp_spi *spi = ISP_SPI_PC(isp, chan);
 148                 spi->sim = sim;
 149                 spi->path = path;
 150 #ifdef  ISP_TARGET_MODE
 151                 TAILQ_INIT(&spi->waitq);
 152                 STAILQ_INIT(&spi->ntfree);
 153                 for (i = 0; i < ATPDPSIZE; i++)
 154                         STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next);
 155                 LIST_INIT(&spi->atfree);
 156                 for (i = ATPDPSIZE-1; i >= 0; i--)
 157                         LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next);
 158                 for (i = 0; i < ATPDPHASHSIZE; i++)
 159                         LIST_INIT(&spi->atused[i]);
 160 #endif
 161         } else {
 162                 fcparam *fcp = FCPARAM(isp, chan);
 163                 struct isp_fc *fc = ISP_FC_PC(isp, chan);
 164                 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
 165                 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
 166                 char name[16];
 167
 168                 ISP_LOCK(isp);
 169                 fc->sim = sim;
 170                 fc->path = path;
 171                 fc->isp = isp;
 172                 fc->ready = 1;
 173                 fcp->isp_use_gft_id = 1;
 174                 fcp->isp_use_gff_id = 1;
 175
 176                 callout_init_mtx(&fc->gdt, &isp->isp_lock, 0);
 177                 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
 178 #ifdef  ISP_TARGET_MODE
 179                 TAILQ_INIT(&fc->waitq);
 180                 STAILQ_INIT(&fc->ntfree);
 181                 for (i = 0; i < ATPDPSIZE; i++)
 182                         STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next);
 183                 LIST_INIT(&fc->atfree);
 184                 for (i = ATPDPSIZE-1; i >= 0; i--)
 185                         LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next);
 186                 for (i = 0; i < ATPDPHASHSIZE; i++)
 187                         LIST_INIT(&fc->atused[i]);
 188 #endif
 189                 isp_loop_changed(isp, chan);
 190                 ISP_UNLOCK(isp);
 191                 if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0,
 192                     "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
 193                         xpt_free_path(fc->path);
 194                         ISP_LOCK(isp);
 195                         xpt_bus_deregister(cam_sim_path(fc->sim));
 196                         ISP_UNLOCK(isp);
 197                         cam_sim_free(fc->sim, FALSE);
 198                         return (ENOMEM);
 199                 }
 200                 fc->num_threads += 1;
 201                 if (chan > 0) {
 202                         snprintf(name, sizeof(name), "chan%d", chan);
 203                         tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree),
 204                             OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel");
 205                 }
 206                 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 207                     "wwnn", CTLFLAG_RD, &fcp->isp_wwnn,
 208                     "World Wide Node Name");
 209                 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 210                     "wwpn", CTLFLAG_RD, &fcp->isp_wwpn,
 211                     "World Wide Port Name");
 212                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 213                     "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0,
 214                     "Loop Down Limit");
 215                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 216                     "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0,
 217                     "Gone Device Time");
 218 #if defined(ISP_TARGET_MODE) && defined(DEBUG)
 219                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 220                     "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0,
 221                     "Cause a Lost Frame on a Read");
 222 #endif
 223                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 224                     "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan,
 225                     isp_role_sysctl, "I", "Current role");
 226                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 227                     "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0,
 228                     "Connection speed in gigabits");
 229                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 230                     "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0,
 231                     "Link state");
 232                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 233                     "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0,
 234                     "Firmware state");
 235                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 236                     "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0,
 237                     "Loop state");
 238                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 239                     "topo", CTLFLAG_RD, &fcp->isp_topo, 0,
 240                     "Connection topology");
 241                 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 242                     "use_gft_id", CTLFLAG_RWTUN, &fcp->isp_use_gft_id, 0,
 243                     "Use GFT_ID during fabric scan");
 244                 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 245                     "use_gff_id", CTLFLAG_RWTUN, &fcp->isp_use_gff_id, 0,
 246                     "Use GFF_ID during fabric scan");
 247         }
 248         return (0);
 249 }
 250
 251 static void
 252 isp_detach_chan(ispsoftc_t *isp, int chan)
 253 {
 254         struct cam_sim *sim;
 255         struct cam_path *path;
 256         struct ccb_setasync csa;
 257         int *num_threads;
 258
 259         ISP_GET_PC(isp, chan, sim, sim);
 260         ISP_GET_PC(isp, chan, path, path);
 261         ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads);
 262
 263         xpt_setup_ccb(&csa.ccb_h, path, 5);
 264         csa.ccb_h.func_code = XPT_SASYNC_CB;
 265         csa.event_enable = 0;
 266         csa.callback = isp_cam_async;
 267         csa.callback_arg = sim;
 268         xpt_action((union ccb *)&csa);
 269         xpt_free_path(path);
 270         xpt_bus_deregister(cam_sim_path(sim));
 271         cam_sim_free(sim, FALSE);
 272
 273         /* Wait for the channel's spawned threads to exit. */
 274         wakeup(isp->isp_osinfo.pc.ptr);
 275         while (*num_threads != 0)
 276                 mtx_sleep(isp, &isp->isp_lock, PRIBIO, "isp_reap", 100);
 277 }
 278
 279 int
 280 isp_attach(ispsoftc_t *isp)
 281 {
 282         const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
 283         int du = device_get_unit(isp->isp_dev);
 284         int chan;
 285
 286         /*
 287          * Create the device queue for our SIM(s).
 288          */
 289         isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
 290         if (isp->isp_osinfo.devq == NULL) {
 291                 return (EIO);
 292         }
 293
 294         for (chan = 0; chan < isp->isp_nchan; chan++) {
 295                 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
 296                         goto unwind;
 297                 }
 298         }
 299
 300         callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0);
 301         isp_timer_count = hz >> 2;
 302         callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
 303
 304         isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
 305         if (isp->isp_osinfo.cdev) {
 306                 isp->isp_osinfo.cdev->si_drv1 = isp;
 307         }
 308         return (0);
 309
 310 unwind:
 311         while (--chan >= 0) {
 312                 struct cam_sim *sim;
 313                 struct cam_path *path;
 314
 315                 ISP_GET_PC(isp, chan, sim, sim);
 316                 ISP_GET_PC(isp, chan, path, path);
 317                 xpt_free_path(path);
 318                 ISP_LOCK(isp);
 319                 xpt_bus_deregister(cam_sim_path(sim));
 320                 ISP_UNLOCK(isp);
 321                 cam_sim_free(sim, FALSE);
 322         }
 323         cam_simq_free(isp->isp_osinfo.devq);
 324         isp->isp_osinfo.devq = NULL;
 325         return (-1);
 326 }
 327
 328 int
 329 isp_detach(ispsoftc_t *isp)
 330 {
 331         int chan;
 332
 333         if (isp->isp_osinfo.cdev) {
 334                 destroy_dev(isp->isp_osinfo.cdev);
 335                 isp->isp_osinfo.cdev = NULL;
 336         }
 337         ISP_LOCK(isp);
 338         /* Tell spawned threads that we're exiting. */
 339         isp->isp_osinfo.is_exiting = 1;
 340         for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1)
 341                 isp_detach_chan(isp, chan);
 342         ISP_UNLOCK(isp);
 343         callout_drain(&isp->isp_osinfo.tmo);
 344         cam_simq_free(isp->isp_osinfo.devq);
 345         return (0);
 346 }
 347
 348 static void
 349 isp_freeze_loopdown(ispsoftc_t *isp, int chan)
 350 {
 351         struct isp_fc *fc = ISP_FC_PC(isp, chan);
 352
 353         if (fc->sim == NULL)
 354                 return;
 355         if (fc->simqfrozen == 0) {
 356                 isp_prt(isp, ISP_LOGDEBUG0,
 357                     "Chan %d Freeze simq (loopdown)", chan);
 358                 fc->simqfrozen = SIMQFRZ_LOOPDOWN;
 359                 xpt_hold_boot();
 360                 xpt_freeze_simq(fc->sim, 1);
 361         } else {
 362                 isp_prt(isp, ISP_LOGDEBUG0,
 363                     "Chan %d Mark simq frozen (loopdown)", chan);
 364                 fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
 365         }
 366 }
 367
 368 static void
 369 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
 370 {
 371         struct isp_fc *fc = ISP_FC_PC(isp, chan);
 372
 373         if (fc->sim == NULL)
 374                 return;
 375         int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
 376         fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
 377         if (wasfrozen && fc->simqfrozen == 0) {
 378                 isp_prt(isp, ISP_LOGDEBUG0,
 379                     "Chan %d Release simq", chan);
 380                 xpt_release_simq(fc->sim, 1);
 381                 xpt_release_boot();
 382         }
 383 }
 384
 385 static int
 386 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
 387 {
 388         ispsoftc_t *isp;
 389         int nr, chan, retval = ENOTTY;
 390
 391         isp = dev->si_drv1;
 392
 393         switch (c) {
 394         case ISP_SDBLEV:
 395         {
 396                 int olddblev = isp->isp_dblev;
 397                 isp->isp_dblev = *(int *)addr;
 398                 *(int *)addr = olddblev;
 399                 retval = 0;
 400                 break;
 401         }
 402         case ISP_GETROLE:
 403                 chan = *(int *)addr;
 404                 if (chan < 0 || chan >= isp->isp_nchan) {
 405                         retval = -ENXIO;
 406                         break;
 407                 }
 408                 if (IS_FC(isp)) {
 409                         *(int *)addr = FCPARAM(isp, chan)->role;
 410                 } else {
 411                         *(int *)addr = ISP_ROLE_INITIATOR;
 412                 }
 413                 retval = 0;
 414                 break;
 415         case ISP_SETROLE:
 416                 if (IS_SCSI(isp))
 417                         break;
 418                 nr = *(int *)addr;
 419                 chan = nr >> 8;
 420                 if (chan < 0 || chan >= isp->isp_nchan) {
 421                         retval = -ENXIO;
 422                         break;
 423                 }
 424                 nr &= 0xff;
 425                 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
 426                         retval = EINVAL;
 427                         break;
 428                 }
 429                 ISP_LOCK(isp);
 430                 *(int *)addr = FCPARAM(isp, chan)->role;
 431                 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr);
 432                 ISP_UNLOCK(isp);
 433                 retval = 0;
 434                 break;
 435
 436         case ISP_RESETHBA:
 437                 ISP_LOCK(isp);
 438                 isp_reinit(isp, 0);
 439                 ISP_UNLOCK(isp);
 440                 retval = 0;
 441                 break;
 442
 443         case ISP_RESCAN:
 444                 if (IS_FC(isp)) {
 445                         chan = *(int *)addr;
 446                         if (chan < 0 || chan >= isp->isp_nchan) {
 447                                 retval = -ENXIO;
 448                                 break;
 449                         }
 450                         ISP_LOCK(isp);
 451                         if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) {
 452                                 retval = EIO;
 453                         } else {
 454                                 retval = 0;
 455                         }
 456                         ISP_UNLOCK(isp);
 457                 }
 458                 break;
 459
 460         case ISP_FC_LIP:
 461                 if (IS_FC(isp)) {
 462                         chan = *(int *)addr;
 463                         if (chan < 0 || chan >= isp->isp_nchan) {
 464                                 retval = -ENXIO;
 465                                 break;
 466                         }
 467                         ISP_LOCK(isp);
 468                         if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
 469                                 retval = EIO;
 470                         } else {
 471                                 retval = 0;
 472                         }
 473                         ISP_UNLOCK(isp);
 474                 }
 475                 break;
 476         case ISP_FC_GETDINFO:
 477         {
 478                 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
 479                 fcportdb_t *lp;
 480
 481                 if (IS_SCSI(isp)) {
 482                         break;
 483                 }
 484                 if (ifc->loopid >= MAX_FC_TARG) {
 485                         retval = EINVAL;
 486                         break;
 487                 }
 488                 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
 489                 if (lp->state != FC_PORTDB_STATE_NIL) {
 490                         ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
 491                         ifc->loopid = lp->handle;
 492                         ifc->portid = lp->portid;
 493                         ifc->node_wwn = lp->node_wwn;
 494                         ifc->port_wwn = lp->port_wwn;
 495                         retval = 0;
 496                 } else {
 497                         retval = ENODEV;
 498                 }
 499                 break;
 500         }
 501         case ISP_FC_GETHINFO:
 502         {
 503                 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
 504                 int chan = hba->fc_channel;
 505
 506                 if (chan < 0 || chan >= isp->isp_nchan) {
 507                         retval = ENXIO;
 508                         break;
 509                 }
 510                 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
 511                 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
 512                 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
 513                 hba->fc_nchannels = isp->isp_nchan;
 514                 if (IS_FC(isp)) {
 515                         hba->fc_nports = MAX_FC_TARG;
 516                         hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
 517                         hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
 518                         hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
 519                         hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
 520                         hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
 521                         hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
 522                         hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
 523                 } else {
 524                         hba->fc_nports = MAX_TARGETS;
 525                         hba->fc_speed = 0;
 526                         hba->fc_topology = 0;
 527                         hba->nvram_node_wwn = 0ull;
 528                         hba->nvram_port_wwn = 0ull;
 529                         hba->active_node_wwn = 0ull;
 530                         hba->active_port_wwn = 0ull;
 531                 }
 532                 retval = 0;
 533                 break;
 534         }
 535         case ISP_TSK_MGMT:
 536         {
 537                 int needmarker;
 538                 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
 539                 uint16_t nphdl;
 540                 mbreg_t mbs;
 541
 542                 if (IS_SCSI(isp)) {
 543                         break;
 544                 }
 545
 546                 chan = fct->chan;
 547                 if (chan < 0 || chan >= isp->isp_nchan) {
 548                         retval = -ENXIO;
 549                         break;
 550                 }
 551
 552                 needmarker = retval = 0;
 553                 nphdl = fct->loopid;
 554                 ISP_LOCK(isp);
 555                 if (IS_24XX(isp)) {
 556                         void *reqp;
 557                         uint8_t resp[QENTRY_LEN];
 558                         isp24xx_tmf_t tmf;
 559                         isp24xx_statusreq_t sp;
 560                         fcparam *fcp = FCPARAM(isp, chan);
 561                         fcportdb_t *lp;
 562                         int i;
 563
 564                         for (i = 0; i < MAX_FC_TARG; i++) {
 565                                 lp = &fcp->portdb[i];
 566                                 if (lp->handle == nphdl) {
 567                                         break;
 568                                 }
 569                         }
 570                         if (i == MAX_FC_TARG) {
 571                                 retval = ENXIO;
 572                                 ISP_UNLOCK(isp);
 573                                 break;
 574                         }
 575                         ISP_MEMZERO(&tmf, sizeof(tmf));
 576                         tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
 577                         tmf.tmf_header.rqs_entry_count = 1;
 578                         tmf.tmf_nphdl = lp->handle;
 579                         tmf.tmf_delay = 2;
 580                         tmf.tmf_timeout = 4;
 581                         tmf.tmf_tidlo = lp->portid;
 582                         tmf.tmf_tidhi = lp->portid >> 16;
 583                         tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan);
 584                         tmf.tmf_lun[1] = fct->lun & 0xff;
 585                         if (fct->lun >= 256) {
 586                                 tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8);
 587                         }
 588                         switch (fct->action) {
 589                         case IPT_CLEAR_ACA:
 590                                 tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA;
 591                                 break;
 592                         case IPT_TARGET_RESET:
 593                                 tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET;
 594                                 needmarker = 1;
 595                                 break;
 596                         case IPT_LUN_RESET:
 597                                 tmf.tmf_flags = ISP24XX_TMF_LUN_RESET;
 598                                 needmarker = 1;
 599                                 break;
 600                         case IPT_CLEAR_TASK_SET:
 601                                 tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
 602                                 needmarker = 1;
 603                                 break;
 604                         case IPT_ABORT_TASK_SET:
 605                                 tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
 606                                 needmarker = 1;
 607                                 break;
 608                         default:
 609                                 retval = EINVAL;
 610                                 break;
 611                         }
 612                         if (retval) {
 613                                 ISP_UNLOCK(isp);
 614                                 break;
 615                         }
 616
 617                         /* Prepare space for response in memory */
 618                         memset(resp, 0xff, sizeof(resp));
 619                         tmf.tmf_handle = isp_allocate_handle(isp, resp,
 620                             ISP_HANDLE_CTRL);
 621                         if (tmf.tmf_handle == 0) {
 622                                 isp_prt(isp, ISP_LOGERR,
 623                                     "%s: TMF of Chan %d out of handles",
 624                                     __func__, chan);
 625                                 ISP_UNLOCK(isp);
 626                                 retval = ENOMEM;
 627                                 break;
 628                         }
 629
 630                         /* Send request and wait for response. */
 631                         reqp = isp_getrqentry(isp);
 632                         if (reqp == NULL) {
 633                                 isp_prt(isp, ISP_LOGERR,
 634                                     "%s: TMF of Chan %d out of rqent",
 635                                     __func__, chan);
 636                                 isp_destroy_handle(isp, tmf.tmf_handle);
 637                                 ISP_UNLOCK(isp);
 638                                 retval = EIO;
 639                                 break;
 640                         }
 641                         isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp);
 642                         if (isp->isp_dblev & ISP_LOGDEBUG1)
 643                                 isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp);
 644                         ISP_SYNC_REQUEST(isp);
 645                         if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) {
 646                                 isp_prt(isp, ISP_LOGERR,
 647                                     "%s: TMF of Chan %d timed out",
 648                                     __func__, chan);
 649                                 isp_destroy_handle(isp, tmf.tmf_handle);
 650                                 ISP_UNLOCK(isp);
 651                                 retval = EIO;
 652                                 break;
 653                         }
 654                         if (isp->isp_dblev & ISP_LOGDEBUG1)
 655                                 isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp);
 656                         isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp);
 657
 658                         if (sp.req_completion_status != 0)
 659                                 retval = EIO;
 660                         else if (needmarker)
 661                                 fcp->sendmarker = 1;
 662                 } else {
 663                         MBSINIT(&mbs, 0, MBLOGALL, 0);
 664                         if (ISP_CAP_2KLOGIN(isp) == 0) {
 665                                 nphdl <<= 8;
 666                         }
 667                         switch (fct->action) {
 668                         case IPT_CLEAR_ACA:
 669                                 mbs.param[0] = MBOX_CLEAR_ACA;
 670                                 mbs.param[1] = nphdl;
 671                                 mbs.param[2] = fct->lun;
 672                                 break;
 673                         case IPT_TARGET_RESET:
 674                                 mbs.param[0] = MBOX_TARGET_RESET;
 675                                 mbs.param[1] = nphdl;
 676                                 needmarker = 1;
 677                                 break;
 678                         case IPT_LUN_RESET:
 679                                 mbs.param[0] = MBOX_LUN_RESET;
 680                                 mbs.param[1] = nphdl;
 681                                 mbs.param[2] = fct->lun;
 682                                 needmarker = 1;
 683                                 break;
 684                         case IPT_CLEAR_TASK_SET:
 685                                 mbs.param[0] = MBOX_CLEAR_TASK_SET;
 686                                 mbs.param[1] = nphdl;
 687                                 mbs.param[2] = fct->lun;
 688                                 needmarker = 1;
 689                                 break;
 690                         case IPT_ABORT_TASK_SET:
 691                                 mbs.param[0] = MBOX_ABORT_TASK_SET;
 692                                 mbs.param[1] = nphdl;
 693                                 mbs.param[2] = fct->lun;
 694                                 needmarker = 1;
 695                                 break;
 696                         default:
 697                                 retval = EINVAL;
 698                                 break;
 699                         }
 700                         if (retval == 0) {
 701                                 if (needmarker) {
 702                                         FCPARAM(isp, chan)->sendmarker = 1;
 703                                 }
 704                                 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
 705                                 if (retval) {
 706                                         retval = EIO;
 707                                 }
 708                         }
 709                 }
 710                 ISP_UNLOCK(isp);
 711                 break;
 712         }
 713         default:
 714                 break;
 715         }
 716         return (retval);
 717 }
 718
 719 /*
 720  * Local Inlines
 721  */
 722
 723 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
 724 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
 725
 726 static ISP_INLINE int
 727 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
 728 {
 729         ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
 730         if (ISP_PCMD(ccb) == NULL) {
 731                 return (-1);
 732         }
 733         isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
 734         return (0);
 735 }
 736
 737 static ISP_INLINE void
 738 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
 739 {
 740         if (ISP_PCMD(ccb)) {
 741 #ifdef  ISP_TARGET_MODE
 742                 PISP_PCMD(ccb)->datalen = 0;
 743 #endif
 744                 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
 745                 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
 746                 ISP_PCMD(ccb) = NULL;
 747         }
 748 }
 749
 750 /*
 751  * Put the target mode functions here, because some are inlines
 752  */
 753 #ifdef  ISP_TARGET_MODE
 754 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
 755 static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t);
 756 static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t);
 757 static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *);
 758 static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int);
 759 static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t);
 760 static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *);
 761 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
 762 static void destroy_lun_state(ispsoftc_t *, int, tstate_t *);
 763 static void isp_enable_lun(ispsoftc_t *, union ccb *);
 764 static void isp_disable_lun(ispsoftc_t *, union ccb *);
 765 static timeout_t isp_refire_putback_atio;
 766 static timeout_t isp_refire_notify_ack;
 767 static void isp_complete_ctio(union ccb *);
 768 static void isp_target_putback_atio(union ccb *);
 769 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
 770 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
 771 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
 772 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
 773 static void isp_handle_platform_ctio(ispsoftc_t *, void *);
 774 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp);
 775 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
 776 static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t);
 777
 778 static ISP_INLINE tstate_t *
 779 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
 780 {
 781         tstate_t *tptr = NULL;
 782         struct tslist *lhp;
 783
 784         if (bus < isp->isp_nchan) {
 785                 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
 786                 SLIST_FOREACH(tptr, lhp, next) {
 787                         if (tptr->ts_lun == lun)
 788                                 return (tptr);
 789                 }
 790         }
 791         return (NULL);
 792 }
 793
 794 static int
 795 isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr)
 796 {
 797         inot_private_data_t *ntp;
 798         struct ntpdlist rq;
 799
 800         if (STAILQ_EMPTY(&tptr->restart_queue))
 801                 return (0);
 802         STAILQ_INIT(&rq);
 803         STAILQ_CONCAT(&rq, &tptr->restart_queue);
 804         while ((ntp = STAILQ_FIRST(&rq)) != NULL) {
 805                 STAILQ_REMOVE_HEAD(&rq, next);
 806                 if (IS_24XX(isp)) {
 807                         isp_prt(isp, ISP_LOGTDEBUG0,
 808                             "%s: restarting resrc deprived %x", __func__,
 809                             ((at7_entry_t *)ntp->data)->at_rxid);
 810                         isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data);
 811                 } else {
 812                         isp_prt(isp, ISP_LOGTDEBUG0,
 813                             "%s: restarting resrc deprived %x", __func__,
 814                             ((at2_entry_t *)ntp->data)->at_rxid);
 815                         isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data);
 816                 }
 817                 isp_put_ntpd(isp, bus, ntp);
 818                 if (!STAILQ_EMPTY(&tptr->restart_queue))
 819                         break;
 820         }
 821         if (!STAILQ_EMPTY(&rq)) {
 822                 STAILQ_CONCAT(&rq, &tptr->restart_queue);
 823                 STAILQ_CONCAT(&tptr->restart_queue, &rq);
 824         }
 825         return (!STAILQ_EMPTY(&tptr->restart_queue));
 826 }
 827
 828 static void
 829 isp_tmcmd_restart(ispsoftc_t *isp)
 830 {
 831         tstate_t *tptr;
 832         union ccb *ccb;
 833         struct tslist *lhp;
 834         struct isp_ccbq *waitq;
 835         int bus, i;
 836
 837         for (bus = 0; bus < isp->isp_nchan; bus++) {
 838                 for (i = 0; i < LUN_HASH_SIZE; i++) {
 839                         ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
 840                         SLIST_FOREACH(tptr, lhp, next)
 841                                 isp_atio_restart(isp, bus, tptr);
 842                 }
 843
 844                 /*
 845                  * We only need to do this once per channel.
 846                  */
 847                 ISP_GET_PC_ADDR(isp, bus, waitq, waitq);
 848                 ccb = (union ccb *)TAILQ_FIRST(waitq);
 849                 if (ccb != NULL) {
 850                         TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe);
 851                         isp_target_start_ctio(isp, ccb, FROM_TIMER);
 852                 }
 853         }
 854 }
 855
 856 static atio_private_data_t *
 857 isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
 858 {
 859         struct atpdlist *atfree;
 860         struct atpdlist *atused;
 861         atio_private_data_t *atp;
 862
 863         ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
 864         atp = LIST_FIRST(atfree);
 865         if (atp) {
 866                 LIST_REMOVE(atp, next);
 867                 atp->tag = tag;
 868                 ISP_GET_PC(isp, chan, atused, atused);
 869                 LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next);
 870         }
 871         return (atp);
 872 }
 873
 874 static atio_private_data_t *
 875 isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
 876 {
 877         struct atpdlist *atused;
 878         atio_private_data_t *atp;
 879
 880         ISP_GET_PC(isp, chan, atused, atused);
 881         LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) {
 882                 if (atp->tag == tag)
 883                         return (atp);
 884         }
 885         return (NULL);
 886 }
 887
 888 static void
 889 isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp)
 890 {
 891         struct atpdlist *atfree;
 892
 893         if (atp->ests) {
 894                 isp_put_ecmd(isp, atp->ests);
 895         }
 896         LIST_REMOVE(atp, next);
 897         memset(atp, 0, sizeof (*atp));
 898         ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
 899         LIST_INSERT_HEAD(atfree, atp, next);
 900 }
 901
 902 static void
 903 isp_dump_atpd(ispsoftc_t *isp, int chan)
 904 {
 905         atio_private_data_t *atp, *atpool;
 906         const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
 907
 908         ISP_GET_PC(isp, chan, atpool, atpool);
 909         for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
 910                 if (atp->state == ATPD_STATE_FREE)
 911                         continue;
 912                 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",
 913                     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]);
 914         }
 915 }
 916
 917 static inot_private_data_t *
 918 isp_get_ntpd(ispsoftc_t *isp, int chan)
 919 {
 920         struct ntpdlist *ntfree;
 921         inot_private_data_t *ntp;
 922
 923         ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
 924         ntp = STAILQ_FIRST(ntfree);
 925         if (ntp)
 926                 STAILQ_REMOVE_HEAD(ntfree, next);
 927         return (ntp);
 928 }
 929
 930 static inot_private_data_t *
 931 isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id)
 932 {
 933         inot_private_data_t *ntp, *ntp2;
 934
 935         ISP_GET_PC(isp, chan, ntpool, ntp);
 936         ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2);
 937         for (; ntp < ntp2; ntp++) {
 938                 if (ntp->tag_id == tag_id && ntp->seq_id == seq_id)
 939                         return (ntp);
 940         }
 941         return (NULL);
 942 }
 943
 944 static void
 945 isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp)
 946 {
 947         struct ntpdlist *ntfree;
 948
 949         ntp->tag_id = ntp->seq_id = 0;
 950         ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
 951         STAILQ_INSERT_HEAD(ntfree, ntp, next);
 952 }
 953
 954 static cam_status
 955 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
 956 {
 957         lun_id_t lun;
 958         struct tslist *lhp;
 959         tstate_t *tptr;
 960
 961         lun = xpt_path_lun_id(path);
 962         if (lun != CAM_LUN_WILDCARD) {
 963                 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) {
 964                         return (CAM_LUN_INVALID);
 965                 }
 966         }
 967         tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
 968         if (tptr == NULL) {
 969                 return (CAM_RESRC_UNAVAIL);
 970         }
 971         tptr->ts_lun = lun;
 972         SLIST_INIT(&tptr->atios);
 973         SLIST_INIT(&tptr->inots);
 974         ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
 975         SLIST_INSERT_HEAD(lhp, tptr, next);
 976         *rslt = tptr;
 977         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
 978         return (CAM_REQ_CMP);
 979 }
 980
 981 static void
 982 destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr)
 983 {
 984         union ccb *ccb;
 985         struct tslist *lhp;
 986         inot_private_data_t *ntp;
 987
 988         while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) {
 989                 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
 990                 ccb->ccb_h.status = CAM_REQ_ABORTED;
 991                 xpt_done(ccb);
 992         };
 993         while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) {
 994                 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
 995                 ccb->ccb_h.status = CAM_REQ_ABORTED;
 996                 xpt_done(ccb);
 997         }
 998         while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) {
 999                 isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0);
1000                 STAILQ_REMOVE_HEAD(&tptr->restart_queue, next);
1001                 isp_put_ntpd(isp, bus, ntp);
1002         }
1003         ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp);
1004         SLIST_REMOVE(lhp, tptr, tstate, next);
1005         free(tptr, M_DEVBUF);
1006 }
1007
1008 static void
1009 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1010 {
1011         tstate_t *tptr;
1012         int bus;
1013         target_id_t target;
1014         lun_id_t lun;
1015
1016         if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) {
1017                 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n");
1018                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1019                 xpt_done(ccb);
1020                 return;
1021         }
1022
1023         /*
1024          * We only support either target and lun both wildcard
1025          * or target and lun both non-wildcard.
1026          */
1027         bus = XS_CHANNEL(ccb);
1028         target = ccb->ccb_h.target_id;
1029         lun = ccb->ccb_h.target_lun;
1030         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1031             "enabling lun %jx\n", (uintmax_t)lun);
1032         if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1033                 ccb->ccb_h.status = CAM_LUN_INVALID;
1034                 xpt_done(ccb);
1035                 return;
1036         }
1037
1038         /* Create the state pointer. It should not already exist. */
1039         tptr = get_lun_statep(isp, bus, lun);
1040         if (tptr) {
1041                 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1042                 xpt_done(ccb);
1043                 return;
1044         }
1045         ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1046         if (ccb->ccb_h.status != CAM_REQ_CMP) {
1047                 xpt_done(ccb);
1048                 return;
1049         }
1050
1051         ccb->ccb_h.status = CAM_REQ_CMP;
1052         xpt_done(ccb);
1053 }
1054
1055 static void
1056 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1057 {
1058         tstate_t *tptr = NULL;
1059         int bus;
1060         target_id_t target;
1061         lun_id_t lun;
1062
1063         bus = XS_CHANNEL(ccb);
1064         target = ccb->ccb_h.target_id;
1065         lun = ccb->ccb_h.target_lun;
1066         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1067             "disabling lun %jx\n", (uintmax_t)lun);
1068         if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1069                 ccb->ccb_h.status = CAM_LUN_INVALID;
1070                 xpt_done(ccb);
1071                 return;
1072         }
1073
1074         /* Find the state pointer. */
1075         if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1076                 ccb->ccb_h.status = CAM_PATH_INVALID;
1077                 xpt_done(ccb);
1078                 return;
1079         }
1080
1081         destroy_lun_state(isp, bus, tptr);
1082         ccb->ccb_h.status = CAM_REQ_CMP;
1083         xpt_done(ccb);
1084 }
1085
1086 static void
1087 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1088 {
1089         int fctape, sendstatus, resid;
1090         fcparam *fcp;
1091         atio_private_data_t *atp;
1092         struct ccb_scsiio *cso;
1093         struct isp_ccbq *waitq;
1094         uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1095         uint8_t local[QENTRY_LEN];
1096
1097         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,
1098             (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1099
1100         ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq);
1101         switch (how) {
1102         case FROM_CAM:
1103                 /*
1104                  * Insert at the tail of the list, if any, waiting CTIO CCBs
1105                  */
1106                 TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe);
1107                 break;
1108         case FROM_TIMER:
1109         case FROM_SRR:
1110         case FROM_CTIO_DONE:
1111                 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1112                 break;
1113         }
1114
1115         while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) {
1116                 TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe);
1117
1118                 cso = &ccb->csio;
1119                 xfrlen = cso->dxfer_len;
1120                 if (xfrlen == 0) {
1121                         if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1122                                 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1123                                 ccb->ccb_h.status = CAM_REQ_INVALID;
1124                                 xpt_done(ccb);
1125                                 continue;
1126                         }
1127                 }
1128
1129                 atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id);
1130                 if (atp == NULL) {
1131                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1132                         isp_dump_atpd(isp, XS_CHANNEL(ccb));
1133                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1134                         xpt_done(ccb);
1135                         continue;
1136                 }
1137
1138                 /*
1139                  * Is this command a dead duck?
1140                  */
1141                 if (atp->dead) {
1142                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1143                         ccb->ccb_h.status = CAM_REQ_ABORTED;
1144                         xpt_done(ccb);
1145                         continue;
1146                 }
1147
1148                 /*
1149                  * Check to make sure we're still in target mode.
1150                  */
1151                 fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1152                 if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1153                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1154                         ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1155                         xpt_done(ccb);
1156                         continue;
1157                 }
1158
1159                 /*
1160                  * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1161                  * could be split into two CTIOs to split data and status).
1162                  */
1163                 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1164                         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);
1165                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1166                         break;
1167                 }
1168
1169                 /*
1170                  * Does the initiator expect FC-Tape style responses?
1171                  */
1172                 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1173                         fctape = 1;
1174                 } else {
1175                         fctape = 0;
1176                 }
1177
1178                 /*
1179                  * If we already did the data xfer portion of a CTIO that sends data
1180                  * and status, don't do it again and do the status portion now.
1181                  */
1182                 if (atp->sendst) {
1183                         isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1184                             cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1185                         xfrlen = 0;     /* we already did the data transfer */
1186                         atp->sendst = 0;
1187                 }
1188                 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1189                         sendstatus = 1;
1190                 } else {
1191                         sendstatus = 0;
1192                 }
1193
1194                 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1195                         KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1196                         /*
1197                          * Sense length is not the entire sense data structure size. Periph
1198                          * drivers don't seem to be setting sense_len to reflect the actual
1199                          * size. We'll peek inside to get the right amount.
1200                          */
1201                         sense_length = cso->sense_len;
1202
1203                         /*
1204                          * This 'cannot' happen
1205                          */
1206                         if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1207                                 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1208                         }
1209                 } else {
1210                         sense_length = 0;
1211                 }
1212
1213                 memset(local, 0, QENTRY_LEN);
1214
1215                 /*
1216                  * Check for overflow
1217                  */
1218                 tmp = atp->bytes_xfered + atp->bytes_in_transit;
1219                 if (xfrlen > 0 && tmp > atp->orig_datalen) {
1220                         isp_prt(isp, ISP_LOGERR,
1221                             "%s: [0x%x] data overflow by %u bytes", __func__,
1222                             cso->tag_id, tmp + xfrlen - atp->orig_datalen);
1223                         ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1224                         xpt_done(ccb);
1225                         continue;
1226                 }
1227                 if (xfrlen > atp->orig_datalen - tmp) {
1228                         xfrlen = atp->orig_datalen - tmp;
1229                         if (xfrlen == 0 && !sendstatus) {
1230                                 cso->resid = cso->dxfer_len;
1231                                 ccb->ccb_h.status = CAM_REQ_CMP;
1232                                 xpt_done(ccb);
1233                                 continue;
1234                         }
1235                 }
1236
1237                 if (IS_24XX(isp)) {
1238                         ct7_entry_t *cto = (ct7_entry_t *) local;
1239
1240                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1241                         cto->ct_header.rqs_entry_count = 1;
1242                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1243                         ATPD_SET_SEQNO(cto, atp);
1244                         cto->ct_nphdl = atp->nphdl;
1245                         cto->ct_rxid = atp->tag;
1246                         cto->ct_iid_lo = atp->sid;
1247                         cto->ct_iid_hi = atp->sid >> 16;
1248                         cto->ct_oxid = atp->oxid;
1249                         cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1250                         cto->ct_timeout = XS_TIME(ccb);
1251                         cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1252
1253                         /*
1254                          * Mode 1, status, no data. Only possible when we are sending status, have
1255                          * no data to transfer, and any sense data can fit into a ct7_entry_t.
1256                          *
1257                          * Mode 2, status, no data. We have to use this in the case that
1258                          * the sense data won't fit into a ct7_entry_t.
1259                          *
1260                          */
1261                         if (sendstatus && xfrlen == 0) {
1262                                 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1263                                 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1264                                 if (sense_length <= MAXRESPLEN_24XX) {
1265                                         cto->ct_flags |= CT7_FLAG_MODE1;
1266                                         cto->ct_scsi_status = cso->scsi_status;
1267                                         if (resid < 0) {
1268                                                 cto->ct_resid = -resid;
1269                                                 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1270                                         } else if (resid > 0) {
1271                                                 cto->ct_resid = resid;
1272                                                 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1273                                         }
1274                                         if (fctape) {
1275                                                 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1276                                         }
1277                                         if (sense_length) {
1278                                                 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1279                                                 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1280                                                 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1281                                         }
1282                                 } else {
1283                                         bus_addr_t addr;
1284                                         char buf[XCMD_SIZE];
1285                                         fcp_rsp_iu_t *rp;
1286
1287                                         if (atp->ests == NULL) {
1288                                                 atp->ests = isp_get_ecmd(isp);
1289                                                 if (atp->ests == NULL) {
1290                                                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1291                                                         break;
1292                                                 }
1293                                         }
1294                                         memset(buf, 0, sizeof (buf));
1295                                         rp = (fcp_rsp_iu_t *)buf;
1296                                         if (fctape) {
1297                                                 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1298                                                 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1299                                         }
1300                                         cto->ct_flags |= CT7_FLAG_MODE2;
1301                                         rp->fcp_rsp_scsi_status = cso->scsi_status;
1302                                         if (resid < 0) {
1303                                                 rp->fcp_rsp_resid = -resid;
1304                                                 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1305                                         } else if (resid > 0) {
1306                                                 rp->fcp_rsp_resid = resid;
1307                                                 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1308                                         }
1309                                         if (sense_length) {
1310                                                 rp->fcp_rsp_snslen = sense_length;
1311                                                 cto->ct_senselen = sense_length;
1312                                                 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1313                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1314                                                 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1315                                         } else {
1316                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1317                                         }
1318                                         if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1319                                                 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1320                                         }
1321                                         addr = isp->isp_osinfo.ecmd_dma;
1322                                         addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1323                                         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,
1324                                             (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1325                                         cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1326                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1327                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1328                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1329                                 }
1330                                 if (sense_length) {
1331                                         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__,
1332                                             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,
1333                                             cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1334                                 } else {
1335                                         isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1336                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1337                                 }
1338                                 atp->state = ATPD_STATE_LAST_CTIO;
1339                         }
1340
1341                         /*
1342                          * Mode 0 data transfers, *possibly* with status.
1343                          */
1344                         if (xfrlen != 0) {
1345                                 cto->ct_flags |= CT7_FLAG_MODE0;
1346                                 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1347                                         cto->ct_flags |= CT7_DATA_IN;
1348                                 } else {
1349                                         cto->ct_flags |= CT7_DATA_OUT;
1350                                 }
1351
1352                                 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1353                                 cto->rsp.m0.ct_xfrlen = xfrlen;
1354
1355 #ifdef  DEBUG
1356                                 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1357                                         isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1358                                         ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1359                                         cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1360                                 }
1361 #endif
1362                                 if (sendstatus) {
1363                                         resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1364                                         if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1365                                                 cto->ct_flags |= CT7_SENDSTATUS;
1366                                                 atp->state = ATPD_STATE_LAST_CTIO;
1367                                                 if (fctape) {
1368                                                         cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1369                                                 }
1370                                         } else {
1371                                                 atp->sendst = 1;        /* send status later */
1372                                                 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1373                                                 atp->state = ATPD_STATE_CTIO;
1374                                         }
1375                                 } else {
1376                                         atp->state = ATPD_STATE_CTIO;
1377                                 }
1378                                 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__,
1379                                     cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1380                         }
1381                 } else {
1382                         ct2_entry_t *cto = (ct2_entry_t *) local;
1383
1384                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1385                         cto->ct_header.rqs_entry_count = 1;
1386                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1387                         ATPD_SET_SEQNO(cto, atp);
1388                         if (ISP_CAP_2KLOGIN(isp)) {
1389                                 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl;
1390                         } else {
1391                                 cto->ct_iid = atp->nphdl;
1392                                 if (ISP_CAP_SCCFW(isp) == 0) {
1393                                         cto->ct_lun = ccb->ccb_h.target_lun;
1394                                 }
1395                         }
1396                         cto->ct_timeout = XS_TIME(ccb);
1397                         cto->ct_rxid = cso->tag_id;
1398
1399                         /*
1400                          * Mode 1, status, no data. Only possible when we are sending status, have
1401                          * no data to transfer, and the sense length can fit in the ct7_entry.
1402                          *
1403                          * Mode 2, status, no data. We have to use this in the case the response
1404                          * length won't fit into a ct2_entry_t.
1405                          *
1406                          * We'll fill out this structure with information as if this were a
1407                          * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1408                          * needed based upon this.
1409                          */
1410                         if (sendstatus && xfrlen == 0) {
1411                                 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1412                                 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1413                                 if (sense_length <= MAXRESPLEN) {
1414                                         if (resid < 0) {
1415                                                 cto->ct_resid = -resid;
1416                                         } else if (resid > 0) {
1417                                                 cto->ct_resid = resid;
1418                                         }
1419                                         cto->ct_flags |= CT2_FLAG_MODE1;
1420                                         cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1421                                         if (resid < 0) {
1422                                                 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1423                                         } else if (resid > 0) {
1424                                                 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1425                                         }
1426                                         if (fctape) {
1427                                                 cto->ct_flags |= CT2_CONFIRM;
1428                                         }
1429                                         if (sense_length) {
1430                                                 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1431                                                 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1432                                                 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1433                                         }
1434                                 } else {
1435                                         bus_addr_t addr;
1436                                         char buf[XCMD_SIZE];
1437                                         fcp_rsp_iu_t *rp;
1438
1439                                         if (atp->ests == NULL) {
1440                                                 atp->ests = isp_get_ecmd(isp);
1441                                                 if (atp->ests == NULL) {
1442                                                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1443                                                         break;
1444                                                 }
1445                                         }
1446                                         memset(buf, 0, sizeof (buf));
1447                                         rp = (fcp_rsp_iu_t *)buf;
1448                                         if (fctape) {
1449                                                 cto->ct_flags |= CT2_CONFIRM;
1450                                                 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1451                                         }
1452                                         cto->ct_flags |= CT2_FLAG_MODE2;
1453                                         rp->fcp_rsp_scsi_status = cso->scsi_status;
1454                                         if (resid < 0) {
1455                                                 rp->fcp_rsp_resid = -resid;
1456                                                 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1457                                         } else if (resid > 0) {
1458                                                 rp->fcp_rsp_resid = resid;
1459                                                 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1460                                         }
1461                                         if (sense_length) {
1462                                                 rp->fcp_rsp_snslen = sense_length;
1463                                                 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1464                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1465                                                 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1466                                         } else {
1467                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1468                                         }
1469                                         if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1470                                                 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1471                                         }
1472                                         addr = isp->isp_osinfo.ecmd_dma;
1473                                         addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1474                                         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,
1475                                             (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1476                                         cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1477                                         cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1478                                         cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1479                                 }
1480                                 if (sense_length) {
1481                                         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__,
1482                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1483                                             cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1484                                 } else {
1485                                         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,
1486                                             ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1487                                 }
1488                                 atp->state = ATPD_STATE_LAST_CTIO;
1489                         }
1490
1491                         if (xfrlen != 0) {
1492                                 cto->ct_flags |= CT2_FLAG_MODE0;
1493                                 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1494                                         cto->ct_flags |= CT2_DATA_IN;
1495                                 } else {
1496                                         cto->ct_flags |= CT2_DATA_OUT;
1497                                 }
1498
1499                                 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
1500                                 cto->rsp.m0.ct_xfrlen = xfrlen;
1501
1502                                 if (sendstatus) {
1503                                         resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1504                                         if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
1505                                                 cto->ct_flags |= CT2_SENDSTATUS;
1506                                                 atp->state = ATPD_STATE_LAST_CTIO;
1507                                                 if (fctape) {
1508                                                         cto->ct_flags |= CT2_CONFIRM;
1509                                                 }
1510                                         } else {
1511                                                 atp->sendst = 1;        /* send status later */
1512                                                 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1513                                                 atp->state = ATPD_STATE_CTIO;
1514                                         }
1515                                 } else {
1516                                         atp->state = ATPD_STATE_CTIO;
1517                                 }
1518                         }
1519                         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,
1520                             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);
1521                 }
1522
1523                 if (isp_get_pcmd(isp, ccb)) {
1524                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
1525                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1526                         break;
1527                 }
1528                 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET);
1529                 if (handle == 0) {
1530                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
1531                         TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1532                         isp_free_pcmd(isp, ccb);
1533                         break;
1534                 }
1535                 atp->bytes_in_transit += xfrlen;
1536                 PISP_PCMD(ccb)->datalen = xfrlen;
1537
1538
1539                 /*
1540                  * Call the dma setup routines for this entry (and any subsequent
1541                  * CTIOs) if there's data to move, and then tell the f/w it's got
1542                  * new things to play with. As with isp_start's usage of DMA setup,
1543                  * any swizzling is done in the machine dependent layer. Because
1544                  * of this, we put the request onto the queue area first in native
1545                  * format.
1546                  */
1547
1548                 if (IS_24XX(isp)) {
1549                         ct7_entry_t *cto = (ct7_entry_t *) local;
1550                         cto->ct_syshandle = handle;
1551                 } else {
1552                         ct2_entry_t *cto = (ct2_entry_t *) local;
1553                         cto->ct_syshandle = handle;
1554                 }
1555
1556                 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
1557                 if (dmaresult != CMD_QUEUED) {
1558                         isp_destroy_handle(isp, handle);
1559                         isp_free_pcmd(isp, ccb);
1560                         if (dmaresult == CMD_EAGAIN) {
1561                                 TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
1562                                 break;
1563                         }
1564                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1565                         xpt_done(ccb);
1566                         continue;
1567                 }
1568                 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
1569                 if (xfrlen) {
1570                         ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
1571                 } else {
1572                         ccb->ccb_h.spriv_field0 = ~0;
1573                 }
1574                 atp->ctcnt++;
1575                 atp->seqno++;
1576         }
1577 }
1578
1579 static void
1580 isp_refire_putback_atio(void *arg)
1581 {
1582         union ccb *ccb = arg;
1583
1584         ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb));
1585         isp_target_putback_atio(ccb);
1586 }
1587
1588 static void
1589 isp_refire_notify_ack(void *arg)
1590 {
1591         isp_tna_t *tp  = arg;
1592         ispsoftc_t *isp = tp->isp;
1593
1594         ISP_ASSERT_LOCKED(isp);
1595         if (isp_notify_ack(isp, tp->not)) {
1596                 callout_schedule(&tp->timer, 5);
1597         } else {
1598                 free(tp, M_DEVBUF);
1599         }
1600 }
1601
1602
1603 static void
1604 isp_target_putback_atio(union ccb *ccb)
1605 {
1606         ispsoftc_t *isp = XS_ISP(ccb);
1607         struct ccb_scsiio *cso = &ccb->csio;
1608         at2_entry_t local, *at = &local;
1609
1610         ISP_MEMZERO(at, sizeof (at2_entry_t));
1611         at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1612         at->at_header.rqs_entry_count = 1;
1613         if (ISP_CAP_SCCFW(isp)) {
1614                 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1615         } else {
1616                 at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1617         }
1618         at->at_status = CT_OK;
1619         at->at_rxid = cso->tag_id;
1620         at->at_iid = cso->init_id;
1621         if (isp_target_put_entry(isp, at)) {
1622                 callout_reset(&PISP_PCMD(ccb)->wdog, 10,
1623                     isp_refire_putback_atio, ccb);
1624         } else
1625                 isp_complete_ctio(ccb);
1626 }
1627
1628 static void
1629 isp_complete_ctio(union ccb *ccb)
1630 {
1631         if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1632                 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1633                 xpt_done(ccb);
1634         }
1635 }
1636
1637 static void
1638 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1639 {
1640         fcparam *fcp;
1641         lun_id_t lun;
1642         fcportdb_t *lp;
1643         tstate_t *tptr;
1644         struct ccb_accept_tio *atiop;
1645         uint16_t nphdl;
1646         atio_private_data_t *atp;
1647         inot_private_data_t *ntp;
1648
1649         /*
1650          * The firmware status (except for the QLTM_SVALID bit)
1651          * indicates why this ATIO was sent to us.
1652          *
1653          * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1654          */
1655         if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1656                 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
1657                 isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0);
1658                 return;
1659         }
1660
1661         fcp = FCPARAM(isp, 0);
1662         if (ISP_CAP_SCCFW(isp)) {
1663                 lun = aep->at_scclun;
1664         } else {
1665                 lun = aep->at_lun;
1666         }
1667         if (ISP_CAP_2KLOGIN(isp)) {
1668                 nphdl = ((at2e_entry_t *)aep)->at_iid;
1669         } else {
1670                 nphdl = aep->at_iid;
1671         }
1672         tptr = get_lun_statep(isp, 0, lun);
1673         if (tptr == NULL) {
1674                 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1675                 if (tptr == NULL) {
1676                         isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun);
1677                         if (lun == 0) {
1678                                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1679                         } else {
1680                                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1681                         }
1682                         return;
1683                 }
1684         }
1685
1686         /*
1687          * Start any commands pending resources first.
1688          */
1689         if (isp_atio_restart(isp, 0, tptr))
1690                 goto noresrc;
1691
1692         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1693         if (atiop == NULL) {
1694                 goto noresrc;
1695         }
1696
1697         atp = isp_get_atpd(isp, 0, aep->at_rxid);
1698         if (atp == NULL) {
1699                 goto noresrc;
1700         }
1701
1702         atp->state = ATPD_STATE_ATIO;
1703         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1704         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n");
1705         atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp);
1706         atiop->ccb_h.target_lun = lun;
1707
1708         /*
1709          * We don't get 'suggested' sense data as we do with SCSI cards.
1710          */
1711         atiop->sense_len = 0;
1712
1713         /*
1714          * If we're not in the port database, add ourselves.
1715          */
1716         if (IS_2100(isp))
1717                 atiop->init_id = nphdl;
1718         else {
1719                 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) {
1720                         atiop->init_id = FC_PORTDB_TGT(isp, 0, lp);
1721                 } else {
1722                         isp_prt(isp, ISP_LOGTINFO, "%s: port %x isn't in PDB",
1723                             __func__, nphdl);
1724                         isp_dump_portdb(isp, 0);
1725                         isp_endcmd(isp, aep, NIL_HANDLE, 0, ECMD_TERMINATE, 0);
1726                         return;
1727                 }
1728         }
1729         atiop->cdb_len = ATIO2_CDBLEN;
1730         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1731         atiop->ccb_h.status = CAM_CDB_RECVD;
1732         atiop->tag_id = atp->tag;
1733         switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1734         case ATIO2_TC_ATTR_SIMPLEQ:
1735                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1736                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1737                 break;
1738         case ATIO2_TC_ATTR_HEADOFQ:
1739                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1740                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1741                 break;
1742         case ATIO2_TC_ATTR_ORDERED:
1743                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1744                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1745                 break;
1746         case ATIO2_TC_ATTR_ACAQ:                /* ?? */
1747         case ATIO2_TC_ATTR_UNTAGGED:
1748         default:
1749                 atiop->tag_action = 0;
1750                 break;
1751         }
1752
1753         atp->orig_datalen = aep->at_datalen;
1754         atp->bytes_xfered = 0;
1755         atp->lun = lun;
1756         atp->nphdl = nphdl;
1757         atp->sid = PORT_ANY;
1758         atp->oxid = aep->at_oxid;
1759         atp->cdb0 = aep->at_cdb[0];
1760         atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
1761         atp->state = ATPD_STATE_CAM;
1762         xpt_done((union ccb *)atiop);
1763         isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %jx datalen %u", aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
1764         return;
1765 noresrc:
1766         ntp = isp_get_ntpd(isp, 0);
1767         if (ntp == NULL) {
1768                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1769                 return;
1770         }
1771         memcpy(ntp->data, aep, QENTRY_LEN);
1772         STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
1773 }
1774
1775 static void
1776 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
1777 {
1778         int cdbxlen;
1779         lun_id_t lun;
1780         uint16_t chan, nphdl = NIL_HANDLE;
1781         uint32_t did, sid;
1782         fcportdb_t *lp;
1783         tstate_t *tptr;
1784         struct ccb_accept_tio *atiop;
1785         atio_private_data_t *atp = NULL;
1786         atio_private_data_t *oatp;
1787         inot_private_data_t *ntp;
1788
1789         did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
1790         sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
1791         lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun));
1792
1793         if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) {
1794                 /* Channel has to be derived from D_ID */
1795                 isp_find_chan_by_did(isp, did, &chan);
1796                 if (chan == ISP_NOCHAN) {
1797                         isp_prt(isp, ISP_LOGWARN,
1798                             "%s: [RX_ID 0x%x] D_ID %x not found on any channel",
1799                             __func__, aep->at_rxid, did);
1800                         isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN,
1801                             ECMD_TERMINATE, 0);
1802                         return;
1803                 }
1804         } else {
1805                 chan = 0;
1806         }
1807
1808         /*
1809          * Find the PDB entry for this initiator
1810          */
1811         if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) {
1812                 /*
1813                  * If we're not in the port database terminate the exchange.
1814                  */
1815                 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",
1816                     __func__, aep->at_rxid, did, chan, sid);
1817                 isp_dump_portdb(isp, chan);
1818                 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
1819                 return;
1820         }
1821         nphdl = lp->handle;
1822
1823         /*
1824          * Get the tstate pointer
1825          */
1826         tptr = get_lun_statep(isp, chan, lun);
1827         if (tptr == NULL) {
1828                 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
1829                 if (tptr == NULL) {
1830                         isp_prt(isp, ISP_LOGWARN,
1831                             "%s: [0x%x] no state pointer for lun %jx or wildcard",
1832                             __func__, aep->at_rxid, (uintmax_t)lun);
1833                         if (lun == 0) {
1834                                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
1835                         } else {
1836                                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1837                         }
1838                         return;
1839                 }
1840         }
1841
1842         /*
1843          * Start any commands pending resources first.
1844          */
1845         if (isp_atio_restart(isp, chan, tptr))
1846                 goto noresrc;
1847
1848         /*
1849          * If the f/w is out of resources, just send a BUSY status back.
1850          */
1851         if (aep->at_rxid == AT7_NORESRC_RXID) {
1852                 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
1853                 return;
1854         }
1855
1856         /*
1857          * If we're out of resources, just send a BUSY status back.
1858          */
1859         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1860         if (atiop == NULL) {
1861                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
1862                 goto noresrc;
1863         }
1864
1865         oatp = isp_find_atpd(isp, chan, aep->at_rxid);
1866         if (oatp) {
1867                 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",
1868                     aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
1869                 /*
1870                  * It's not a "no resource" condition- but we can treat it like one
1871                  */
1872                 goto noresrc;
1873         }
1874         atp = isp_get_atpd(isp, chan, aep->at_rxid);
1875         if (atp == NULL) {
1876                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
1877                 goto noresrc;
1878         }
1879         atp->word3 = lp->prli_word3;
1880         atp->state = ATPD_STATE_ATIO;
1881         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1882         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n");
1883         atiop->init_id = FC_PORTDB_TGT(isp, chan, lp);
1884         atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp);
1885         atiop->ccb_h.target_lun = lun;
1886         atiop->sense_len = 0;
1887         cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
1888         if (cdbxlen) {
1889                 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
1890         }
1891         cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
1892         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
1893         atiop->cdb_len = cdbxlen;
1894         atiop->ccb_h.status = CAM_CDB_RECVD;
1895         atiop->tag_id = atp->tag;
1896         switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
1897         case FCP_CMND_TASK_ATTR_SIMPLE:
1898                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1899                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1900                 break;
1901         case FCP_CMND_TASK_ATTR_HEAD:
1902                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1903                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1904                 break;
1905         case FCP_CMND_TASK_ATTR_ORDERED:
1906                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1907                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1908                 break;
1909         default:
1910                 /* FALLTHROUGH */
1911         case FCP_CMND_TASK_ATTR_ACA:
1912         case FCP_CMND_TASK_ATTR_UNTAGGED:
1913                 atiop->tag_action = 0;
1914                 break;
1915         }
1916         atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
1917         atp->bytes_xfered = 0;
1918         atp->lun = lun;
1919         atp->nphdl = nphdl;
1920         atp->sid = sid;
1921         atp->did = did;
1922         atp->oxid = aep->at_hdr.ox_id;
1923         atp->rxid = aep->at_hdr.rx_id;
1924         atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
1925         atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
1926         atp->state = ATPD_STATE_CAM;
1927         isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u",
1928             aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
1929         xpt_done((union ccb *)atiop);
1930         return;
1931 noresrc:
1932         if (atp)
1933                 isp_put_atpd(isp, chan, atp);
1934         ntp = isp_get_ntpd(isp, chan);
1935         if (ntp == NULL) {
1936                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
1937                 return;
1938         }
1939         memcpy(ntp->data, aep, QENTRY_LEN);
1940         STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
1941 }
1942
1943
1944 /*
1945  * Handle starting an SRR (sequence retransmit request)
1946  * We get here when we've gotten the immediate notify
1947  * and the return of all outstanding CTIOs for this
1948  * transaction.
1949  */
1950 static void
1951 isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp)
1952 {
1953         in_fcentry_24xx_t *inot;
1954         uint32_t srr_off, ccb_off, ccb_len, ccb_end;
1955         union ccb *ccb;
1956
1957         inot = (in_fcentry_24xx_t *)atp->srr;
1958         srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
1959         ccb = atp->srr_ccb;
1960         atp->srr_ccb = NULL;
1961         atp->nsrr++;
1962         if (ccb == NULL) {
1963                 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
1964                 goto fail;
1965         }
1966
1967         ccb_off = ccb->ccb_h.spriv_field0;
1968         ccb_len = ccb->csio.dxfer_len;
1969         ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
1970
1971         switch (inot->in_srr_iu) {
1972         case R_CTL_INFO_SOLICITED_DATA:
1973                 /*
1974                  * We have to restart a FCP_DATA data out transaction
1975                  */
1976                 atp->sendst = 0;
1977                 atp->bytes_xfered = srr_off;
1978                 if (ccb_len == 0) {
1979                         isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
1980                         goto mdp;
1981                 }
1982                 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
1983                         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);
1984                         goto mdp;
1985                 }
1986                 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);
1987                 break;
1988         case R_CTL_INFO_COMMAND_STATUS:
1989                 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
1990                 atp->sendst = 1;
1991                 /*
1992                  * We have to restart a FCP_RSP IU transaction
1993                  */
1994                 break;
1995         case R_CTL_INFO_DATA_DESCRIPTOR:
1996                 /*
1997                  * We have to restart an FCP DATA in transaction
1998                  */
1999                 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
2000                 goto fail;
2001
2002         default:
2003                 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
2004                 goto fail;
2005         }
2006
2007         /*
2008          * We can't do anything until this is acked, so we might as well start it now.
2009          * We aren't going to do the usual asynchronous ack issue because we need
2010          * to make sure this gets on the wire first.
2011          */
2012         if (isp_notify_ack(isp, inot)) {
2013                 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2014                 goto fail;
2015         }
2016         isp_target_start_ctio(isp, ccb, FROM_SRR);
2017         return;
2018 fail:
2019         inot->in_reserved = 1;
2020         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2021         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2022         ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2023         isp_complete_ctio(ccb);
2024         return;
2025 mdp:
2026         if (isp_notify_ack(isp, inot)) {
2027                 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2028                 goto fail;
2029         }
2030         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2031         ccb->ccb_h.status = CAM_MESSAGE_RECV;
2032         /*
2033          * This is not a strict interpretation of MDP, but it's close
2034          */
2035         ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2036         ccb->csio.msg_len = 7;
2037         ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2038         ccb->csio.msg_ptr[1] = 5;
2039         ccb->csio.msg_ptr[2] = 0;       /* modify data pointer */
2040         ccb->csio.msg_ptr[3] = srr_off >> 24;
2041         ccb->csio.msg_ptr[4] = srr_off >> 16;
2042         ccb->csio.msg_ptr[5] = srr_off >> 8;
2043         ccb->csio.msg_ptr[6] = srr_off;
2044         isp_complete_ctio(ccb);
2045 }
2046
2047
2048 static void
2049 isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify)
2050 {
2051         in_fcentry_24xx_t *inot = notify->nt_lreserved;
2052         atio_private_data_t *atp;
2053         uint32_t tag = notify->nt_tagval & 0xffffffff;
2054
2055         atp = isp_find_atpd(isp, notify->nt_channel, tag);
2056         if (atp == NULL) {
2057                 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify",
2058                     __func__, tag);
2059                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2060                 return;
2061         }
2062         atp->srr_notify_rcvd = 1;
2063         memcpy(atp->srr, inot, sizeof (atp->srr));
2064         isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x",
2065             inot->in_rxid, inot->in_flags, inot->in_srr_iu,
2066             ((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo);
2067         if (atp->srr_ccb)
2068                 isp_handle_srr_start(isp, atp);
2069 }
2070
2071 static void
2072 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2073 {
2074         union ccb *ccb;
2075         int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0;
2076         atio_private_data_t *atp = NULL;
2077         int bus;
2078         uint32_t handle, data_requested, resid;
2079
2080         handle = ((ct2_entry_t *)arg)->ct_syshandle;
2081         ccb = isp_find_xs(isp, handle);
2082         if (ccb == NULL) {
2083                 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2084                 return;
2085         }
2086         isp_destroy_handle(isp, handle);
2087         resid = data_requested = PISP_PCMD(ccb)->datalen;
2088         isp_free_pcmd(isp, ccb);
2089
2090         bus = XS_CHANNEL(ccb);
2091         if (IS_24XX(isp)) {
2092                 atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid);
2093         } else {
2094                 atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid);
2095         }
2096         if (atp == NULL) {
2097                 /*
2098                  * XXX: isp_clear_commands() generates fake CTIO with zero
2099                  * ct_rxid value, filling only ct_syshandle.  Workaround
2100                  * that using tag_id from the CCB, pointed by ct_syshandle.
2101                  */
2102                 atp = isp_find_atpd(isp, bus, ccb->csio.tag_id);
2103         }
2104         if (atp == NULL) {
2105                 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2106                 return;
2107         }
2108         KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2109         atp->bytes_in_transit -= data_requested;
2110         atp->ctcnt -= 1;
2111         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2112
2113         if (IS_24XX(isp)) {
2114                 ct7_entry_t *ct = arg;
2115
2116                 if (ct->ct_nphdl == CT7_SRR) {
2117                         atp->srr_ccb = ccb;
2118                         if (atp->srr_notify_rcvd)
2119                                 isp_handle_srr_start(isp, atp);
2120                         return;
2121                 }
2122                 if (ct->ct_nphdl == CT_HBA_RESET) {
2123                         sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2124                             (atp->sendst == 0);
2125                         failure = CAM_UNREC_HBA_ERROR;
2126                 } else {
2127                         sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2128                         ok = (ct->ct_nphdl == CT7_OK);
2129                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2130                         if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA)
2131                                 resid = ct->ct_resid;
2132                 }
2133                 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),
2134                    notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2135         } else {
2136                 ct2_entry_t *ct = arg;
2137                 if (ct->ct_status == CT_SRR) {
2138                         atp->srr_ccb = ccb;
2139                         if (atp->srr_notify_rcvd)
2140                                 isp_handle_srr_start(isp, atp);
2141                         isp_target_putback_atio(ccb);
2142                         return;
2143                 }
2144                 if (ct->ct_status == CT_HBA_RESET) {
2145                         sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2146                             (atp->sendst == 0);
2147                         failure = CAM_UNREC_HBA_ERROR;
2148                 } else {
2149                         sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2150                         ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2151                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2152                         if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA)
2153                                 resid = ct->ct_resid;
2154                 }
2155                 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),
2156                     notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2157         }
2158         if (ok) {
2159                 if (data_requested > 0) {
2160                         atp->bytes_xfered += data_requested - resid;
2161                         ccb->csio.resid = ccb->csio.dxfer_len -
2162                             (data_requested - resid);
2163                 }
2164                 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE))
2165                         ccb->ccb_h.status |= CAM_SENT_SENSE;
2166                 ccb->ccb_h.status |= CAM_REQ_CMP;
2167         } else {
2168                 notify_cam = 1;
2169                 if (failure == CAM_UNREC_HBA_ERROR)
2170                         ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2171                 else
2172                         ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2173         }
2174         atp->state = ATPD_STATE_PDON;
2175
2176         /*
2177          * We never *not* notify CAM when there has been any error (ok == 0),
2178          * so we never need to do an ATIO putback if we're not notifying CAM.
2179          */
2180         isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
2181             (sentstatus)? "  FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
2182         if (notify_cam == 0) {
2183                 if (atp->sendst) {
2184                         isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
2185                 }
2186                 return;
2187         }
2188
2189         /*
2190          * We are done with this ATIO if we successfully sent status.
2191          * In all other cases expect either another CTIO or XPT_ABORT.
2192          */
2193         if (ok && sentstatus)
2194                 isp_put_atpd(isp, bus, atp);
2195
2196         /*
2197          * We're telling CAM we're done with this CTIO transaction.
2198          *
2199          * 24XX cards never need an ATIO put back.
2200          *
2201          * Other cards need one put back only on error.
2202          * In the latter case, a timeout will re-fire
2203          * and try again in case we didn't have
2204          * queue resources to do so at first. In any case,
2205          * once the putback is done we do the completion
2206          * call.
2207          */
2208         if (ok || IS_24XX(isp)) {
2209                 isp_complete_ctio(ccb);
2210         } else {
2211                 isp_target_putback_atio(ccb);
2212         }
2213 }
2214
2215 static int
2216 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp)
2217 {
2218
2219         if (isp->isp_state != ISP_RUNSTATE) {
2220                 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
2221                 return (0);
2222         }
2223
2224         /*
2225          * This case is for a Task Management Function, which shows up as an ATIO7 entry.
2226          */
2227         if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
2228                 ct7_entry_t local, *cto = &local;
2229                 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
2230                 fcportdb_t *lp;
2231                 uint32_t sid;
2232                 uint16_t nphdl;
2233
2234                 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2235                 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) {
2236                         nphdl = lp->handle;
2237                 } else {
2238                         nphdl = NIL_HANDLE;
2239                 }
2240                 ISP_MEMZERO(&local, sizeof (local));
2241                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2242                 cto->ct_header.rqs_entry_count = 1;
2243                 cto->ct_nphdl = nphdl;
2244                 cto->ct_rxid = aep->at_rxid;
2245                 cto->ct_vpidx = mp->nt_channel;
2246                 cto->ct_iid_lo = sid;
2247                 cto->ct_iid_hi = sid >> 16;
2248                 cto->ct_oxid = aep->at_hdr.ox_id;
2249                 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
2250                 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
2251                 if (rsp != 0) {
2252                         cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8);
2253                         cto->rsp.m1.ct_resplen = 4;
2254                         ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp));
2255                         cto->rsp.m1.ct_resp[0] = rsp & 0xff;
2256                         cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff;
2257                         cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff;
2258                         cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff;
2259                 }
2260                 return (isp_target_put_entry(isp, &local));
2261         }
2262
2263         /*
2264          * This case is for a responding to an ABTS frame
2265          */
2266         if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2267
2268                 /*
2269                  * Overload nt_need_ack here to mark whether we've terminated the associated command.
2270                  */
2271                 if (mp->nt_need_ack) {
2272                         uint8_t storage[QENTRY_LEN];
2273                         ct7_entry_t *cto = (ct7_entry_t *) storage;
2274                         abts_t *abts = (abts_t *)mp->nt_lreserved;
2275
2276                         ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2277                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
2278                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2279                         cto->ct_header.rqs_entry_count = 1;
2280                         cto->ct_nphdl = mp->nt_nphdl;
2281                         cto->ct_rxid = abts->abts_rxid_task;
2282                         cto->ct_iid_lo = mp->nt_sid;
2283                         cto->ct_iid_hi = mp->nt_sid >> 16;
2284                         cto->ct_oxid = abts->abts_ox_id;
2285                         cto->ct_vpidx = mp->nt_channel;
2286                         cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2287                         if (isp_target_put_entry(isp, cto)) {
2288                                 return (ENOMEM);
2289                         }
2290                         mp->nt_need_ack = 0;
2291                 }
2292                 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
2293                         return (ENOMEM);
2294                 } else {
2295                         return (0);
2296                 }
2297         }
2298
2299         /*
2300          * Handle logout cases here
2301          */
2302         if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
2303                 isp_del_all_wwn_entries(isp, mp->nt_channel);
2304         }
2305
2306         if (mp->nt_ncode == NT_LOGOUT) {
2307                 if (!IS_2100(isp) && IS_FC(isp)) {
2308                         isp_del_wwn_entries(isp, mp);
2309                 }
2310         }
2311
2312         /*
2313          * General purpose acknowledgement
2314          */
2315         if (mp->nt_need_ack) {
2316                 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
2317                 /*
2318                  * Don't need to use the guaranteed send because the caller can retry
2319                  */
2320                 return (isp_notify_ack(isp, mp->nt_lreserved));
2321         }
2322         return (0);
2323 }
2324
2325 /*
2326  * Handle task management functions.
2327  *
2328  * We show up here with a notify structure filled out.
2329  *
2330  * The nt_lreserved tag points to the original queue entry
2331  */
2332 static void
2333 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
2334 {
2335         tstate_t *tptr;
2336         fcportdb_t *lp;
2337         struct ccb_immediate_notify *inot;
2338         inot_private_data_t *ntp = NULL;
2339         atio_private_data_t *atp;
2340         lun_id_t lun;
2341
2342         isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid  0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode,
2343             notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
2344         if (notify->nt_lun == LUN_ANY) {
2345                 if (notify->nt_tagval == TAG_ANY) {
2346                         lun = CAM_LUN_WILDCARD;
2347                 } else {
2348                         atp = isp_find_atpd(isp, notify->nt_channel,
2349                             notify->nt_tagval & 0xffffffff);
2350                         lun = atp ? atp->lun : CAM_LUN_WILDCARD;
2351                 }
2352         } else {
2353                 lun = notify->nt_lun;
2354         }
2355         tptr = get_lun_statep(isp, notify->nt_channel, lun);
2356         if (tptr == NULL) {
2357                 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
2358                 if (tptr == NULL) {
2359                         isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2360                         goto bad;
2361                 }
2362         }
2363         inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2364         if (inot == NULL) {
2365                 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2366                 goto bad;
2367         }
2368
2369         inot->ccb_h.target_id = ISP_MAX_TARGETS(isp);
2370         inot->ccb_h.target_lun = lun;
2371         if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 &&
2372             isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) {
2373                 inot->initiator_id = CAM_TARGET_WILDCARD;
2374         } else {
2375                 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp);
2376         }
2377         inot->seq_id = notify->nt_tagval;
2378         inot->tag_id = notify->nt_tagval >> 32;
2379
2380         switch (notify->nt_ncode) {
2381         case NT_ABORT_TASK:
2382                 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id);
2383                 inot->arg = MSG_ABORT_TASK;
2384                 break;
2385         case NT_ABORT_TASK_SET:
2386                 isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY);
2387                 inot->arg = MSG_ABORT_TASK_SET;
2388                 break;
2389         case NT_CLEAR_ACA:
2390                 inot->arg = MSG_CLEAR_ACA;
2391                 break;
2392         case NT_CLEAR_TASK_SET:
2393                 inot->arg = MSG_CLEAR_TASK_SET;
2394                 break;
2395         case NT_LUN_RESET:
2396                 inot->arg = MSG_LOGICAL_UNIT_RESET;
2397                 break;
2398         case NT_TARGET_RESET:
2399                 inot->arg = MSG_TARGET_RESET;
2400                 break;
2401         case NT_QUERY_TASK_SET:
2402                 inot->arg = MSG_QUERY_TASK_SET;
2403                 break;
2404         case NT_QUERY_ASYNC_EVENT:
2405                 inot->arg = MSG_QUERY_ASYNC_EVENT;
2406                 break;
2407         default:
2408                 isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun %#jx", __func__, notify->nt_ncode, notify->nt_channel, (uintmax_t)lun);
2409                 goto bad;
2410         }
2411
2412         ntp = isp_get_ntpd(isp, notify->nt_channel);
2413         if (ntp == NULL) {
2414                 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
2415                 goto bad;
2416         }
2417         ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t));
2418         if (notify->nt_lreserved) {
2419                 ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN);
2420                 ntp->nt.nt_lreserved = &ntp->data;
2421         }
2422         ntp->seq_id = notify->nt_tagval;
2423         ntp->tag_id = notify->nt_tagval >> 32;
2424
2425         SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2426         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n");
2427         inot->ccb_h.status = CAM_MESSAGE_RECV;
2428         xpt_done((union ccb *)inot);
2429         return;
2430 bad:
2431         if (notify->nt_need_ack) {
2432                 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2433                         if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
2434                                 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
2435                         }
2436                 } else {
2437                         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
2438                 }
2439         }
2440 }
2441
2442 static void
2443 isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id)
2444 {
2445         atio_private_data_t *atp, *atpool;
2446         inot_private_data_t *ntp, *tmp;
2447         uint32_t this_tag_id;
2448
2449         /*
2450          * First, clean any commands pending restart
2451          */
2452         STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) {
2453                 if (IS_24XX(isp))
2454                         this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid;
2455                 else
2456                         this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid;
2457                 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
2458                         isp_endcmd(isp, ntp->data, NIL_HANDLE, chan,
2459                             ECMD_TERMINATE, 0);
2460                         isp_put_ntpd(isp, chan, ntp);
2461                         STAILQ_REMOVE(&tptr->restart_queue, ntp,
2462                             inot_private_data, next);
2463                 }
2464         }
2465
2466         /*
2467          * Now mark other ones dead as well.
2468          */
2469         ISP_GET_PC(isp, chan, atpool, atpool);
2470         for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
2471                 if (atp->lun != tptr->ts_lun)
2472                         continue;
2473                 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id)
2474                         atp->dead = 1;
2475         }
2476 }
2477 #endif
2478
2479 static void
2480 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
2481 {
2482         struct cam_sim *sim;
2483         int bus, tgt;
2484         ispsoftc_t *isp;
2485
2486         sim = (struct cam_sim *)cbarg;
2487         isp = (ispsoftc_t *) cam_sim_softc(sim);
2488         bus = cam_sim_bus(sim);
2489         tgt = xpt_path_target_id(path);
2490
2491         switch (code) {
2492         case AC_LOST_DEVICE:
2493                 if (IS_SCSI(isp)) {
2494                         uint16_t oflags, nflags;
2495                         sdparam *sdp = SDPARAM(isp, bus);
2496
2497                         if (tgt >= 0) {
2498                                 nflags = sdp->isp_devparam[tgt].nvrm_flags;
2499                                 nflags &= DPARM_SAFE_DFLT;
2500                                 if (isp->isp_loaded_fw) {
2501                                         nflags |= DPARM_NARROW | DPARM_ASYNC;
2502                                 }
2503                                 oflags = sdp->isp_devparam[tgt].goal_flags;
2504                                 sdp->isp_devparam[tgt].goal_flags = nflags;
2505                                 sdp->isp_devparam[tgt].dev_update = 1;
2506                                 sdp->update = 1;
2507                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
2508                                 sdp->isp_devparam[tgt].goal_flags = oflags;
2509                         }
2510                 }
2511                 break;
2512         default:
2513                 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
2514                 break;
2515         }
2516 }
2517
2518 static void
2519 isp_poll(struct cam_sim *sim)
2520 {
2521         ispsoftc_t *isp = cam_sim_softc(sim);
2522
2523         ISP_RUN_ISR(isp);
2524 }
2525
2526
2527 static void
2528 isp_watchdog(void *arg)
2529 {
2530         struct ccb_scsiio *xs = arg;
2531         ispsoftc_t *isp;
2532         uint32_t ohandle = ISP_HANDLE_FREE, handle;
2533
2534         isp = XS_ISP(xs);
2535
2536         handle = isp_find_handle(isp, xs);
2537
2538         /*
2539          * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
2540          */
2541         if (handle != ISP_HANDLE_FREE) {
2542                 ISP_RUN_ISR(isp);
2543                 ohandle = handle;
2544                 handle = isp_find_handle(isp, xs);
2545         }
2546         if (handle != ISP_HANDLE_FREE) {
2547                 /*
2548                  * Try and make sure the command is really dead before
2549                  * we release the handle (and DMA resources) for reuse.
2550                  *
2551                  * If we are successful in aborting the command then
2552                  * we're done here because we'll get the command returned
2553                  * back separately.
2554                  */
2555                 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
2556                         return;
2557                 }
2558
2559                 /*
2560                  * Note that after calling the above, the command may in
2561                  * fact have been completed.
2562                  */
2563                 xs = isp_find_xs(isp, handle);
2564
2565                 /*
2566                  * If the command no longer exists, then we won't
2567                  * be able to find the xs again with this handle.
2568                  */
2569                 if (xs == NULL) {
2570                         return;
2571                 }
2572
2573                 /*
2574                  * After this point, the command is really dead.
2575                  */
2576                 if (XS_XFRLEN(xs)) {
2577                         ISP_DMAFREE(isp, xs, handle);
2578                 }
2579                 isp_destroy_handle(isp, handle);
2580                 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
2581                 XS_SETERR(xs, CAM_CMD_TIMEOUT);
2582                 isp_done(xs);
2583         } else {
2584                 if (ohandle != ISP_HANDLE_FREE) {
2585                         isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
2586                 } else {
2587                         isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
2588                 }
2589         }
2590 }
2591
2592 static void
2593 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2594 {
2595         union ccb *ccb;
2596         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2597
2598         /*
2599          * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
2600          */
2601         ccb = xpt_alloc_ccb_nowait();
2602         if (ccb == NULL) {
2603                 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
2604                 return;
2605         }
2606         if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
2607             tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2608                 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
2609                 xpt_free_ccb(ccb);
2610                 return;
2611         }
2612         xpt_rescan(ccb);
2613 }
2614
2615 static void
2616 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2617 {
2618         struct cam_path *tp;
2619         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2620
2621         if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
2622                 xpt_async(AC_LOST_DEVICE, tp, NULL);
2623                 xpt_free_path(tp);
2624         }
2625 }
2626
2627 /*
2628  * Gone Device Timer Function- when we have decided that a device has gone
2629  * away, we wait a specific period of time prior to telling the OS it has
2630  * gone away.
2631  *
2632  * This timer function fires once a second and then scans the port database
2633  * for devices that are marked dead but still have a virtual target assigned.
2634  * We decrement a counter for that port database entry, and when it hits zero,
2635  * we tell the OS the device has gone away.
2636  */
2637 static void
2638 isp_gdt(void *arg)
2639 {
2640         struct isp_fc *fc = arg;
2641         taskqueue_enqueue(taskqueue_thread, &fc->gtask);
2642 }
2643
2644 static void
2645 isp_gdt_task(void *arg, int pending)
2646 {
2647         struct isp_fc *fc = arg;
2648         ispsoftc_t *isp = fc->isp;
2649         int chan = fc - isp->isp_osinfo.pc.fc;
2650         fcportdb_t *lp;
2651         struct ac_contract ac;
2652         struct ac_device_changed *adc;
2653         int dbidx, more_to_do = 0;
2654
2655         ISP_LOCK(isp);
2656         isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
2657         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2658                 lp = &FCPARAM(isp, chan)->portdb[dbidx];
2659
2660                 if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
2661                         continue;
2662                 }
2663                 if (lp->gone_timer != 0) {
2664                         lp->gone_timer -= 1;
2665                         more_to_do++;
2666                         continue;
2667                 }
2668                 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout");
2669                 if (lp->is_target) {
2670                         lp->is_target = 0;
2671                         isp_make_gone(isp, lp, chan, dbidx);
2672                 }
2673                 if (lp->is_initiator) {
2674                         lp->is_initiator = 0;
2675                         ac.contract_number = AC_CONTRACT_DEV_CHG;
2676                         adc = (struct ac_device_changed *) ac.contract_data;
2677                         adc->wwpn = lp->port_wwn;
2678                         adc->port = lp->portid;
2679                         adc->target = dbidx;
2680                         adc->arrived = 0;
2681                         xpt_async(AC_CONTRACT, fc->path, &ac);
2682                 }
2683                 lp->state = FC_PORTDB_STATE_NIL;
2684         }
2685         if (fc->ready) {
2686                 if (more_to_do) {
2687                         callout_reset(&fc->gdt, hz, isp_gdt, fc);
2688                 } else {
2689                         callout_deactivate(&fc->gdt);
2690                         isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
2691                 }
2692         }
2693         ISP_UNLOCK(isp);
2694 }
2695
2696 /*
2697  * When loop goes down we remember the time and freeze CAM command queue.
2698  * During some time period we are trying to reprobe the loop.  But if we
2699  * fail, we tell the OS that devices have gone away and drop the freeze.
2700  *
2701  * We don't clear the devices out of our port database because, when loop
2702  * come back up, we have to do some actual cleanup with the chip at that
2703  * point (implicit PLOGO, e.g., to get the chip's port database state right).
2704  */
2705 static void
2706 isp_loop_changed(ispsoftc_t *isp, int chan)
2707 {
2708         fcparam *fcp = FCPARAM(isp, chan);
2709         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2710
2711         if (fc->loop_down_time)
2712                 return;
2713         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan);
2714         if (fcp->role & ISP_ROLE_INITIATOR)
2715                 isp_freeze_loopdown(isp, chan);
2716         fc->loop_down_time = time_uptime;
2717         wakeup(fc);
2718 }
2719
2720 static void
2721 isp_loop_up(ispsoftc_t *isp, int chan)
2722 {
2723         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2724
2725         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan);
2726         fc->loop_seen_once = 1;
2727         fc->loop_down_time = 0;
2728         isp_unfreeze_loopdown(isp, chan);
2729 }
2730
2731 static void
2732 isp_loop_dead(ispsoftc_t *isp, int chan)
2733 {
2734         fcparam *fcp = FCPARAM(isp, chan);
2735         struct isp_fc *fc = ISP_FC_PC(isp, chan);
2736         fcportdb_t *lp;
2737         struct ac_contract ac;
2738         struct ac_device_changed *adc;
2739         int dbidx, i;
2740
2741         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan);
2742
2743         /*
2744          * Notify to the OS all targets who we now consider have departed.
2745          */
2746         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2747                 lp = &fcp->portdb[dbidx];
2748
2749                 if (lp->state == FC_PORTDB_STATE_NIL)
2750                         continue;
2751
2752                 for (i = 0; i < isp->isp_maxcmds; i++) {
2753                         struct ccb_scsiio *xs;
2754
2755                         if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) {
2756                                 continue;
2757                         }
2758                         if ((xs = isp->isp_xflist[i].cmd) == NULL) {
2759                                 continue;
2760                         }
2761                         if (dbidx != XS_TGT(xs)) {
2762                                 continue;
2763                         }
2764                         isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout",
2765                             isp->isp_xflist[i].handle, chan, XS_TGT(xs),
2766                             (uintmax_t)XS_LUN(xs));
2767
2768                         /*
2769                          * Just like in isp_watchdog, abort the outstanding
2770                          * command or immediately free its resources if it is
2771                          * not active
2772                          */
2773                         if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
2774                                 continue;
2775                         }
2776
2777                         if (XS_XFRLEN(xs)) {
2778                                 ISP_DMAFREE(isp, xs, isp->isp_xflist[i].handle);
2779                         }
2780                         isp_destroy_handle(isp, isp->isp_xflist[i].handle);
2781                         isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed",
2782                             isp->isp_xflist[i].handle, chan, XS_TGT(xs),
2783                             (uintmax_t)XS_LUN(xs));
2784                         XS_SETERR(xs, HBA_BUSRESET);
2785                         isp_done(xs);
2786                 }
2787
2788                 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout");
2789                 if (lp->is_target) {
2790                         lp->is_target = 0;
2791                         isp_make_gone(isp, lp, chan, dbidx);
2792                 }
2793                 if (lp->is_initiator) {
2794                         lp->is_initiator = 0;
2795                         ac.contract_number = AC_CONTRACT_DEV_CHG;
2796                         adc = (struct ac_device_changed *) ac.contract_data;
2797                         adc->wwpn = lp->port_wwn;
2798                         adc->port = lp->portid;
2799                         adc->target = dbidx;
2800                         adc->arrived = 0;
2801                         xpt_async(AC_CONTRACT, fc->path, &ac);
2802                 }
2803         }
2804
2805         isp_unfreeze_loopdown(isp, chan);
2806         fc->loop_down_time = 0;
2807 }
2808
2809 static void
2810 isp_kthread(void *arg)
2811 {
2812         struct isp_fc *fc = arg;
2813         ispsoftc_t *isp = fc->isp;
2814         int chan = fc - isp->isp_osinfo.pc.fc;
2815         int slp = 0, d;
2816         int lb, lim;
2817
2818         ISP_LOCK(isp);
2819         while (isp->isp_osinfo.is_exiting == 0) {
2820                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
2821                     "Chan %d Checking FC state", chan);
2822                 lb = isp_fc_runstate(isp, chan, 250000);
2823                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
2824                     "Chan %d FC got to %s state", chan,
2825                     isp_fc_loop_statename(lb));
2826
2827                 /*
2828                  * Our action is different based upon whether we're supporting
2829                  * Initiator mode or not. If we are, we might freeze the simq
2830                  * when loop is down and set all sorts of different delays to
2831                  * check again.
2832                  *
2833                  * If not, we simply just wait for loop to come up.
2834                  */
2835                 if (lb == LOOP_READY || lb < 0) {
2836                         slp = 0;
2837                 } else {
2838                         /*
2839                          * If we've never seen loop up and we've waited longer
2840                          * than quickboot time, or we've seen loop up but we've
2841                          * waited longer than loop_down_limit, give up and go
2842                          * to sleep until loop comes up.
2843                          */
2844                         if (fc->loop_seen_once == 0)
2845                                 lim = isp_quickboot_time;
2846                         else
2847                                 lim = fc->loop_down_limit;
2848                         d = time_uptime - fc->loop_down_time;
2849                         if (d >= lim)
2850                                 slp = 0;
2851                         else if (d < 10)
2852                                 slp = 1;
2853                         else if (d < 30)
2854                                 slp = 5;
2855                         else if (d < 60)
2856                                 slp = 10;
2857                         else if (d < 120)
2858                                 slp = 20;
2859                         else
2860                                 slp = 30;
2861                 }
2862
2863                 if (slp == 0) {
2864                         if (lb == LOOP_READY)
2865                                 isp_loop_up(isp, chan);
2866                         else
2867                                 isp_loop_dead(isp, chan);
2868                 }
2869
2870                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
2871                     "Chan %d sleep for %d seconds", chan, slp);
2872                 msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz);
2873         }
2874         fc->num_threads -= 1;
2875         ISP_UNLOCK(isp);
2876         kthread_exit();
2877 }
2878
2879 #ifdef  ISP_TARGET_MODE
2880 static void
2881 isp_abort_atio(ispsoftc_t *isp, union ccb *ccb)
2882 {
2883         atio_private_data_t *atp;
2884         union ccb *accb = ccb->cab.abort_ccb;
2885         struct ccb_hdr *sccb;
2886         tstate_t *tptr;
2887
2888         tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
2889         if (tptr != NULL) {
2890                 /* Search for the ATIO among queueued. */
2891                 SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) {
2892                         if (sccb != &accb->ccb_h)
2893                                 continue;
2894                         SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle);
2895                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path,
2896                             "Abort FREE ATIO\n");
2897                         accb->ccb_h.status = CAM_REQ_ABORTED;
2898                         xpt_done(accb);
2899                         ccb->ccb_h.status = CAM_REQ_CMP;
2900                         return;
2901                 }
2902         }
2903
2904         /* Search for the ATIO among running. */
2905         atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id);
2906         if (atp != NULL) {
2907                 /* Send TERMINATE to firmware. */
2908                 if (!atp->dead && IS_24XX(isp)) {
2909                         uint8_t storage[QENTRY_LEN];
2910                         ct7_entry_t *cto = (ct7_entry_t *) storage;
2911
2912                         ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2913                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2914                         cto->ct_header.rqs_entry_count = 1;
2915                         cto->ct_nphdl = atp->nphdl;
2916                         cto->ct_rxid = atp->tag;
2917                         cto->ct_iid_lo = atp->sid;
2918                         cto->ct_iid_hi = atp->sid >> 16;
2919                         cto->ct_oxid = atp->oxid;
2920                         cto->ct_vpidx = XS_CHANNEL(accb);
2921                         cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2922                         isp_target_put_entry(isp, cto);
2923                 }
2924                 isp_put_atpd(isp, XS_CHANNEL(accb), atp);
2925                 ccb->ccb_h.status = CAM_REQ_CMP;
2926         } else {
2927                 ccb->ccb_h.status = CAM_UA_ABORT;
2928         }
2929 }
2930
2931 static void
2932 isp_abort_inot(ispsoftc_t *isp, union ccb *ccb)
2933 {
2934         inot_private_data_t *ntp;
2935         union ccb *accb = ccb->cab.abort_ccb;
2936         struct ccb_hdr *sccb;
2937         tstate_t *tptr;
2938
2939         tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
2940         if (tptr != NULL) {
2941                 /* Search for the INOT among queueued. */
2942                 SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) {
2943                         if (sccb != &accb->ccb_h)
2944                                 continue;
2945                         SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle);
2946                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path,
2947                             "Abort FREE INOT\n");
2948                         accb->ccb_h.status = CAM_REQ_ABORTED;
2949                         xpt_done(accb);
2950                         ccb->ccb_h.status = CAM_REQ_CMP;
2951                         return;
2952                 }
2953         }
2954
2955         /* Search for the INOT among running. */
2956         ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id);
2957         if (ntp != NULL) {
2958                 if (ntp->nt.nt_need_ack) {
2959                         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK,
2960                             ntp->nt.nt_lreserved);
2961                 }
2962                 isp_put_ntpd(isp, XS_CHANNEL(accb), ntp);
2963                 ccb->ccb_h.status = CAM_REQ_CMP;
2964         } else {
2965                 ccb->ccb_h.status = CAM_UA_ABORT;
2966                 return;
2967         }
2968 }
2969 #endif
2970
2971 static void
2972 isp_action(struct cam_sim *sim, union ccb *ccb)
2973 {
2974         int bus, tgt, error;
2975         ispsoftc_t *isp;
2976         struct ccb_trans_settings *cts;
2977         sbintime_t ts;
2978
2979         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
2980
2981         isp = (ispsoftc_t *)cam_sim_softc(sim);
2982         ISP_ASSERT_LOCKED(isp);
2983         bus = cam_sim_bus(sim);
2984         isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
2985         ISP_PCMD(ccb) = NULL;
2986
2987         switch (ccb->ccb_h.func_code) {
2988         case XPT_SCSI_IO:       /* Execute the requested I/O operation */
2989                 /*
2990                  * Do a couple of preliminary checks...
2991                  */
2992                 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
2993                         if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
2994                                 ccb->ccb_h.status = CAM_REQ_INVALID;
2995                                 isp_done((struct ccb_scsiio *) ccb);
2996                                 break;
2997                         }
2998                 }
2999                 ccb->csio.req_map = NULL;
3000 #ifdef  DIAGNOSTIC
3001                 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) {
3002                         xpt_print(ccb->ccb_h.path, "invalid target\n");
3003                         ccb->ccb_h.status = CAM_PATH_INVALID;
3004                 } else if (ISP_MAX_LUNS(isp) > 0 &&
3005                     ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) {
3006                         xpt_print(ccb->ccb_h.path, "invalid lun\n");
3007                         ccb->ccb_h.status = CAM_PATH_INVALID;
3008                 }
3009                 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
3010                         xpt_done(ccb);
3011                         break;
3012                 }
3013 #endif
3014                 ccb->csio.scsi_status = SCSI_STATUS_OK;
3015                 if (isp_get_pcmd(isp, ccb)) {
3016                         isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
3017                         cam_freeze_devq(ccb->ccb_h.path);
3018                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
3019                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3020                         xpt_done(ccb);
3021                         break;
3022                 }
3023                 error = isp_start((XS_T *) ccb);
3024                 switch (error) {
3025                 case CMD_QUEUED:
3026                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
3027                         if (ccb->ccb_h.timeout == CAM_TIME_INFINITY)
3028                                 break;
3029                         /* Give firmware extra 10s to handle timeout. */
3030                         ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S;
3031                         callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0,
3032                             isp_watchdog, ccb, 0);
3033                         break;
3034                 case CMD_RQLATER:
3035                         isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later",
3036                             XS_TGT(ccb), (uintmax_t)XS_LUN(ccb));
3037                         cam_freeze_devq(ccb->ccb_h.path);
3038                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3039                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3040                         isp_free_pcmd(isp, ccb);
3041                         xpt_done(ccb);
3042                         break;
3043                 case CMD_EAGAIN:
3044                         isp_free_pcmd(isp, ccb);
3045                         cam_freeze_devq(ccb->ccb_h.path);
3046                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
3047                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3048                         xpt_done(ccb);
3049                         break;
3050                 case CMD_COMPLETE:
3051                         isp_done((struct ccb_scsiio *) ccb);
3052                         break;
3053                 default:
3054                         isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
3055                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3056                         isp_free_pcmd(isp, ccb);
3057                         xpt_done(ccb);
3058                 }
3059                 break;
3060
3061 #ifdef  ISP_TARGET_MODE
3062         case XPT_EN_LUN:                /* Enable/Disable LUN as a target */
3063                 if (ccb->cel.enable) {
3064                         isp_enable_lun(isp, ccb);
3065                 } else {
3066                         isp_disable_lun(isp, ccb);
3067                 }
3068                 break;
3069         case XPT_IMMEDIATE_NOTIFY:      /* Add Immediate Notify Resource */
3070         case XPT_ACCEPT_TARGET_IO:      /* Add Accept Target IO Resource */
3071         {
3072                 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
3073                 if (tptr == NULL) {
3074                         const char *str;
3075
3076                         if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY)
3077                                 str = "XPT_IMMEDIATE_NOTIFY";
3078                         else
3079                                 str = "XPT_ACCEPT_TARGET_IO";
3080                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path,
3081                             "%s: no state pointer found for %s\n",
3082                             __func__, str);
3083                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3084                         xpt_done(ccb);
3085                         break;
3086                 }
3087                 ccb->ccb_h.spriv_field0 = 0;
3088                 ccb->ccb_h.spriv_ptr1 = isp;
3089
3090                 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
3091                         ccb->atio.tag_id = 0;
3092                         SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
3093                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3094                             "Put FREE ATIO\n");
3095                 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
3096                         ccb->cin1.seq_id = ccb->cin1.tag_id = 0;
3097                         SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
3098                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3099                             "Put FREE INOT\n");
3100                 }
3101                 ccb->ccb_h.status = CAM_REQ_INPROG;
3102                 break;
3103         }
3104         case XPT_NOTIFY_ACKNOWLEDGE:            /* notify ack */
3105         {
3106                 inot_private_data_t *ntp;
3107
3108                 /*
3109                  * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
3110                  * XXX: matches that for the immediate notify, we have to *search* for the notify structure
3111                  */
3112                 /*
3113                  * All the relevant path information is in the associated immediate notify
3114                  */
3115                 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);
3116                 ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id);
3117                 if (ntp == NULL) {
3118                         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__,
3119                              ccb->cna2.tag_id, ccb->cna2.seq_id);
3120                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3121                         xpt_done(ccb);
3122                         break;
3123                 }
3124                 if (isp_handle_platform_target_notify_ack(isp, &ntp->nt,
3125                     (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) {
3126                         cam_freeze_devq(ccb->ccb_h.path);
3127                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3128                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3129                         ccb->ccb_h.status |= CAM_REQUEUE_REQ;
3130                         break;
3131                 }
3132                 isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp);
3133                 ccb->ccb_h.status = CAM_REQ_CMP;
3134                 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);
3135                 xpt_done(ccb);
3136                 break;
3137         }
3138         case XPT_CONT_TARGET_IO:
3139                 isp_target_start_ctio(isp, ccb, FROM_CAM);
3140                 break;
3141 #endif
3142         case XPT_RESET_DEV:             /* BDR the specified SCSI device */
3143                 tgt = ccb->ccb_h.target_id;
3144                 tgt |= (bus << 16);
3145
3146                 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
3147                 if (error) {
3148                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3149                 } else {
3150                         /*
3151                          * If we have a FC device, reset the Command
3152                          * Reference Number, because the target will expect
3153                          * that we re-start the CRN at 1 after a reset.
3154                          */
3155                         if (IS_FC(isp))
3156                                 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3157
3158                         ccb->ccb_h.status = CAM_REQ_CMP;
3159                 }
3160                 xpt_done(ccb);
3161                 break;
3162         case XPT_ABORT:                 /* Abort the specified CCB */
3163         {
3164                 union ccb *accb = ccb->cab.abort_ccb;
3165                 switch (accb->ccb_h.func_code) {
3166 #ifdef  ISP_TARGET_MODE
3167                 case XPT_ACCEPT_TARGET_IO:
3168                         isp_abort_atio(isp, ccb);
3169                         break;
3170                 case XPT_IMMEDIATE_NOTIFY:
3171                         isp_abort_inot(isp, ccb);
3172                         break;
3173 #endif
3174                 case XPT_SCSI_IO:
3175                         error = isp_control(isp, ISPCTL_ABORT_CMD, accb);
3176                         if (error) {
3177                                 ccb->ccb_h.status = CAM_UA_ABORT;
3178                         } else {
3179                                 ccb->ccb_h.status = CAM_REQ_CMP;
3180                         }
3181                         break;
3182                 default:
3183                         ccb->ccb_h.status = CAM_REQ_INVALID;
3184                         break;
3185                 }
3186                 /*
3187                  * This is not a queued CCB, so the caller expects it to be
3188                  * complete when control is returned.
3189                  */
3190                 break;
3191         }
3192 #define IS_CURRENT_SETTINGS(c)  (c->type == CTS_TYPE_CURRENT_SETTINGS)
3193         case XPT_SET_TRAN_SETTINGS:     /* Nexus Settings */
3194                 cts = &ccb->cts;
3195                 if (!IS_CURRENT_SETTINGS(cts)) {
3196                         ccb->ccb_h.status = CAM_REQ_INVALID;
3197                         xpt_done(ccb);
3198                         break;
3199                 }
3200                 tgt = cts->ccb_h.target_id;
3201                 if (IS_SCSI(isp)) {
3202                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3203                         struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3204                         sdparam *sdp = SDPARAM(isp, bus);
3205                         uint16_t *dptr;
3206
3207                         if (spi->valid == 0 && scsi->valid == 0) {
3208                                 ccb->ccb_h.status = CAM_REQ_CMP;
3209                                 xpt_done(ccb);
3210                                 break;
3211                         }
3212
3213                         /*
3214                          * We always update (internally) from goal_flags
3215                          * so any request to change settings just gets
3216                          * vectored to that location.
3217                          */
3218                         dptr = &sdp->isp_devparam[tgt].goal_flags;
3219
3220                         if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
3221                                 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
3222                                         *dptr |= DPARM_DISC;
3223                                 else
3224                                         *dptr &= ~DPARM_DISC;
3225                         }
3226
3227                         if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
3228                                 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
3229                                         *dptr |= DPARM_TQING;
3230                                 else
3231                                         *dptr &= ~DPARM_TQING;
3232                         }
3233
3234                         if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
3235                                 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
3236                                         *dptr |= DPARM_WIDE;
3237                                 else
3238                                         *dptr &= ~DPARM_WIDE;
3239                         }
3240
3241                         /*
3242                          * XXX: FIX ME
3243                          */
3244                         if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
3245                                 *dptr |= DPARM_SYNC;
3246                                 /*
3247                                  * XXX: CHECK FOR LEGALITY
3248                                  */
3249                                 sdp->isp_devparam[tgt].goal_period = spi->sync_period;
3250                                 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
3251                         } else {
3252                                 *dptr &= ~DPARM_SYNC;
3253                         }
3254                         isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%jx) to flags %x off %x per %x", bus, tgt, (uintmax_t)cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags,
3255                             sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
3256                         sdp->isp_devparam[tgt].dev_update = 1;
3257                         sdp->update = 1;
3258                 }
3259                 ccb->ccb_h.status = CAM_REQ_CMP;
3260                 xpt_done(ccb);
3261                 break;
3262         case XPT_GET_TRAN_SETTINGS:
3263                 cts = &ccb->cts;
3264                 tgt = cts->ccb_h.target_id;
3265                 if (IS_FC(isp)) {
3266                         fcparam *fcp = FCPARAM(isp, bus);
3267                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3268                         struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
3269
3270                         cts->protocol = PROTO_SCSI;
3271                         cts->protocol_version = SCSI_REV_2;
3272                         cts->transport = XPORT_FC;
3273                         cts->transport_version = 0;
3274
3275                         scsi->valid = CTS_SCSI_VALID_TQ;
3276                         scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
3277                         fc->valid = CTS_FC_VALID_SPEED;
3278                         fc->bitrate = 100000;
3279                         fc->bitrate *= fcp->isp_gbspeed;
3280                         if (tgt < MAX_FC_TARG) {
3281                                 fcportdb_t *lp = &fcp->portdb[tgt];
3282                                 fc->wwnn = lp->node_wwn;
3283                                 fc->wwpn = lp->port_wwn;
3284                                 fc->port = lp->portid;
3285                                 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
3286                         }
3287                 } else {
3288                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3289                         struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3290                         sdparam *sdp = SDPARAM(isp, bus);
3291                         uint16_t dval, pval, oval;
3292
3293                         if (IS_CURRENT_SETTINGS(cts)) {
3294                                 sdp->isp_devparam[tgt].dev_refresh = 1;
3295                                 sdp->update = 1;
3296                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3297                                 dval = sdp->isp_devparam[tgt].actv_flags;
3298                                 oval = sdp->isp_devparam[tgt].actv_offset;
3299                                 pval = sdp->isp_devparam[tgt].actv_period;
3300                         } else {
3301                                 dval = sdp->isp_devparam[tgt].nvrm_flags;
3302                                 oval = sdp->isp_devparam[tgt].nvrm_offset;
3303                                 pval = sdp->isp_devparam[tgt].nvrm_period;
3304                         }
3305
3306                         cts->protocol = PROTO_SCSI;
3307                         cts->protocol_version = SCSI_REV_2;
3308                         cts->transport = XPORT_SPI;
3309                         cts->transport_version = 2;
3310
3311                         spi->valid = 0;
3312                         scsi->valid = 0;
3313                         spi->flags = 0;
3314                         scsi->flags = 0;
3315                         if (dval & DPARM_DISC) {
3316                                 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3317                         }
3318                         if ((dval & DPARM_SYNC) && oval && pval) {
3319                                 spi->sync_offset = oval;
3320                                 spi->sync_period = pval;
3321                         } else {
3322                                 spi->sync_offset = 0;
3323                                 spi->sync_period = 0;
3324                         }
3325                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3326                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3327                         spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
3328                         if (dval & DPARM_WIDE) {
3329                                 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3330                         } else {
3331                                 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3332                         }
3333                         if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3334                                 scsi->valid = CTS_SCSI_VALID_TQ;
3335                                 if (dval & DPARM_TQING) {
3336                                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3337                                 }
3338                                 spi->valid |= CTS_SPI_VALID_DISC;
3339                         }
3340                         isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
3341                             bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval);
3342                 }
3343                 ccb->ccb_h.status = CAM_REQ_CMP;
3344                 xpt_done(ccb);
3345                 break;
3346
3347         case XPT_CALC_GEOMETRY:
3348                 cam_calc_geometry(&ccb->ccg, 1);
3349                 xpt_done(ccb);
3350                 break;
3351
3352         case XPT_RESET_BUS:             /* Reset the specified bus */
3353                 error = isp_control(isp, ISPCTL_RESET_BUS, bus);
3354                 if (error) {
3355                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3356                         xpt_done(ccb);
3357                         break;
3358                 }
3359                 if (bootverbose) {
3360                         xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
3361                 }
3362                 if (IS_FC(isp)) {
3363                         xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
3364                 } else {
3365                         xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
3366                 }
3367                 ccb->ccb_h.status = CAM_REQ_CMP;
3368                 xpt_done(ccb);
3369                 break;
3370
3371         case XPT_TERM_IO:               /* Terminate the I/O process */
3372                 ccb->ccb_h.status = CAM_REQ_INVALID;
3373                 xpt_done(ccb);
3374                 break;
3375
3376         case XPT_SET_SIM_KNOB:          /* Set SIM knobs */
3377         {
3378                 struct ccb_sim_knob *kp = &ccb->knob;
3379                 fcparam *fcp;
3380
3381                 if (!IS_FC(isp)) {
3382                         ccb->ccb_h.status = CAM_REQ_INVALID;
3383                         xpt_done(ccb);
3384                         break;
3385                 }
3386
3387                 fcp = FCPARAM(isp, bus);
3388
3389                 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
3390                         fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
3391                         fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
3392                         isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
3393                 }
3394                 ccb->ccb_h.status = CAM_REQ_CMP;
3395                 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
3396                         int rchange = 0;
3397                         int newrole = 0;
3398
3399                         switch (kp->xport_specific.fc.role) {
3400                         case KNOB_ROLE_NONE:
3401                                 if (fcp->role != ISP_ROLE_NONE) {
3402                                         rchange = 1;
3403                                         newrole = ISP_ROLE_NONE;
3404                                 }
3405                                 break;
3406                         case KNOB_ROLE_TARGET:
3407                                 if (fcp->role != ISP_ROLE_TARGET) {
3408                                         rchange = 1;
3409                                         newrole = ISP_ROLE_TARGET;
3410                                 }
3411                                 break;
3412                         case KNOB_ROLE_INITIATOR:
3413                                 if (fcp->role != ISP_ROLE_INITIATOR) {
3414                                         rchange = 1;
3415                                         newrole = ISP_ROLE_INITIATOR;
3416                                 }
3417                                 break;
3418                         case KNOB_ROLE_BOTH:
3419                                 if (fcp->role != ISP_ROLE_BOTH) {
3420                                         rchange = 1;
3421                                         newrole = ISP_ROLE_BOTH;
3422                                 }
3423                                 break;
3424                         }
3425                         if (rchange) {
3426                                 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
3427                                 if (isp_control(isp, ISPCTL_CHANGE_ROLE,
3428                                     bus, newrole) != 0) {
3429                                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3430                                         xpt_done(ccb);
3431                                         break;
3432                                 }
3433                         }
3434                 }
3435                 xpt_done(ccb);
3436                 break;
3437         }
3438         case XPT_GET_SIM_KNOB_OLD:      /* Get SIM knobs -- compat value */
3439         case XPT_GET_SIM_KNOB:          /* Get SIM knobs */
3440         {
3441                 struct ccb_sim_knob *kp = &ccb->knob;
3442
3443                 if (IS_FC(isp)) {
3444                         fcparam *fcp;
3445
3446                         fcp = FCPARAM(isp, bus);
3447
3448                         kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
3449                         kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
3450                         switch (fcp->role) {
3451                         case ISP_ROLE_NONE:
3452                                 kp->xport_specific.fc.role = KNOB_ROLE_NONE;
3453                                 break;
3454                         case ISP_ROLE_TARGET:
3455                                 kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
3456                                 break;
3457                         case ISP_ROLE_INITIATOR:
3458                                 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
3459                                 break;
3460                         case ISP_ROLE_BOTH:
3461                                 kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
3462                                 break;
3463                         }
3464                         kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
3465                         ccb->ccb_h.status = CAM_REQ_CMP;
3466                 } else {
3467                         ccb->ccb_h.status = CAM_REQ_INVALID;
3468                 }
3469                 xpt_done(ccb);
3470                 break;
3471         }
3472         case XPT_PATH_INQ:              /* Path routing inquiry */
3473         {
3474                 struct ccb_pathinq *cpi = &ccb->cpi;
3475
3476                 cpi->version_num = 1;
3477 #ifdef  ISP_TARGET_MODE
3478                 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp))
3479                         cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
3480                 else
3481 #endif
3482                         cpi->target_sprt = 0;
3483                 cpi->hba_eng_cnt = 0;
3484                 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
3485                 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ?
3486                     255 : ISP_MAX_LUNS(isp) - 1;
3487                 cpi->bus_id = cam_sim_bus(sim);
3488                 if (sizeof (bus_size_t) > 4)
3489                         cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
3490                 else
3491                         cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
3492
3493                 if (IS_FC(isp)) {
3494                         fcparam *fcp = FCPARAM(isp, bus);
3495
3496                         cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
3497                         cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN;
3498
3499                         /*
3500                          * Because our loop ID can shift from time to time,
3501                          * make our initiator ID out of range of our bus.
3502                          */
3503                         cpi->initiator_id = cpi->max_target + 1;
3504
3505                         /*
3506                          * Set base transfer capabilities for Fibre Channel, for this HBA.
3507                          */
3508                         if (IS_25XX(isp)) {
3509                                 cpi->base_transfer_speed = 8000000;
3510                         } else if (IS_24XX(isp)) {
3511                                 cpi->base_transfer_speed = 4000000;
3512                         } else if (IS_23XX(isp)) {
3513                                 cpi->base_transfer_speed = 2000000;
3514                         } else {
3515                                 cpi->base_transfer_speed = 1000000;
3516                         }
3517                         cpi->hba_inquiry = PI_TAG_ABLE;
3518                         cpi->transport = XPORT_FC;
3519                         cpi->transport_version = 0;
3520                         cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
3521                         cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
3522                         cpi->xport_specific.fc.port = fcp->isp_portid;
3523                         cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
3524                 } else {
3525                         sdparam *sdp = SDPARAM(isp, bus);
3526                         cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3527                         cpi->hba_misc = PIM_UNMAPPED;
3528                         cpi->initiator_id = sdp->isp_initiator_id;
3529                         cpi->base_transfer_speed = 3300;
3530                         cpi->transport = XPORT_SPI;
3531                         cpi->transport_version = 2;
3532                 }
3533                 cpi->protocol = PROTO_SCSI;
3534                 cpi->protocol_version = SCSI_REV_2;
3535                 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
3536                 strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
3537                 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
3538                 cpi->unit_number = cam_sim_unit(sim);
3539                 cpi->ccb_h.status = CAM_REQ_CMP;
3540                 xpt_done(ccb);
3541                 break;
3542         }
3543         default:
3544                 ccb->ccb_h.status = CAM_REQ_INVALID;
3545                 xpt_done(ccb);
3546                 break;
3547         }
3548 }
3549
3550 void
3551 isp_done(XS_T *sccb)
3552 {
3553         ispsoftc_t *isp = XS_ISP(sccb);
3554         uint32_t status;
3555
3556         if (XS_NOERR(sccb))
3557                 XS_SETERR(sccb, CAM_REQ_CMP);
3558
3559         if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
3560                 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
3561                 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
3562                         sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
3563                 } else {
3564                         sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
3565                 }
3566         }
3567
3568         sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
3569         status = sccb->ccb_h.status & CAM_STATUS_MASK;
3570         if (status != CAM_REQ_CMP &&
3571             (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
3572                 sccb->ccb_h.status |= CAM_DEV_QFRZN;
3573                 xpt_freeze_devq(sccb->ccb_h.path, 1);
3574         }
3575
3576         if (ISP_PCMD(sccb)) {
3577                 if (callout_active(&PISP_PCMD(sccb)->wdog))
3578                         callout_stop(&PISP_PCMD(sccb)->wdog);
3579                 isp_free_pcmd(isp, (union ccb *) sccb);
3580         }
3581         xpt_done((union ccb *) sccb);
3582 }
3583
3584 void
3585 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
3586 {
3587         int bus;
3588         static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s";
3589         char buf[64];
3590         char *msg = NULL;
3591         target_id_t tgt = 0;
3592         fcportdb_t *lp;
3593         struct isp_fc *fc;
3594         struct cam_path *tmppath;
3595         struct ac_contract ac;
3596         struct ac_device_changed *adc;
3597         va_list ap;
3598
3599         switch (cmd) {
3600         case ISPASYNC_NEW_TGT_PARAMS:
3601         {
3602                 struct ccb_trans_settings_scsi *scsi;
3603                 struct ccb_trans_settings_spi *spi;
3604                 int flags, tgt;
3605                 sdparam *sdp;
3606                 struct ccb_trans_settings cts;
3607
3608                 memset(&cts, 0, sizeof (struct ccb_trans_settings));
3609
3610                 va_start(ap, cmd);
3611                 bus = va_arg(ap, int);
3612                 tgt = va_arg(ap, int);
3613                 va_end(ap);
3614                 sdp = SDPARAM(isp, bus);
3615
3616                 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
3617                         isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
3618                         break;
3619                 }
3620                 flags = sdp->isp_devparam[tgt].actv_flags;
3621                 cts.type = CTS_TYPE_CURRENT_SETTINGS;
3622                 cts.protocol = PROTO_SCSI;
3623                 cts.transport = XPORT_SPI;
3624
3625                 scsi = &cts.proto_specific.scsi;
3626                 spi = &cts.xport_specific.spi;
3627
3628                 if (flags & DPARM_TQING) {
3629                         scsi->valid |= CTS_SCSI_VALID_TQ;
3630                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3631                 }
3632
3633                 if (flags & DPARM_DISC) {
3634                         spi->valid |= CTS_SPI_VALID_DISC;
3635                         spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3636                 }
3637                 spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
3638                 if (flags & DPARM_WIDE) {
3639                         spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3640                 } else {
3641                         spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3642                 }
3643                 if (flags & DPARM_SYNC) {
3644                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3645                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3646                         spi->sync_period = sdp->isp_devparam[tgt].actv_period;
3647                         spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
3648                 }
3649                 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);
3650                 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
3651                 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
3652                 xpt_free_path(tmppath);
3653                 break;
3654         }
3655         case ISPASYNC_BUS_RESET:
3656         {
3657                 va_start(ap, cmd);
3658                 bus = va_arg(ap, int);
3659                 va_end(ap);
3660                 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
3661                 if (IS_FC(isp)) {
3662                         xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
3663                 } else {
3664                         xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
3665                 }
3666                 break;
3667         }
3668         case ISPASYNC_LOOP_RESET:
3669         {
3670                 uint16_t lipp;
3671                 fcparam *fcp;
3672                 va_start(ap, cmd);
3673                 bus = va_arg(ap, int);
3674                 va_end(ap);
3675
3676                 lipp = ISP_READ(isp, OUTMAILBOX1);
3677                 fcp = FCPARAM(isp, bus);
3678
3679                 isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp);
3680                 /*
3681                  * Per FCP-4, a Reset LIP should result in a CRN reset. Other
3682                  * LIPs and loop up/down events should never reset the CRN. For
3683                  * an as of yet unknown reason, 24xx series cards (and
3684                  * potentially others) can interrupt with a LIP Reset status
3685                  * when no LIP reset came down the wire. Additionally, the LIP
3686                  * primitive accompanying this status would not be a valid LIP
3687                  * Reset primitive, but some variation of an invalid AL_PA
3688                  * LIP. As a result, we have to verify the AL_PD in the LIP
3689                  * addresses our port before blindly resetting.
3690                 */
3691                 if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF)))
3692                         isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0);
3693                 isp_loop_changed(isp, bus);
3694                 break;
3695         }
3696         case ISPASYNC_LIP:
3697                 if (msg == NULL)
3698                         msg = "LIP Received";
3699                 /* FALLTHROUGH */
3700         case ISPASYNC_LOOP_DOWN:
3701                 if (msg == NULL)
3702                         msg = "LOOP Down";
3703                 /* FALLTHROUGH */
3704         case ISPASYNC_LOOP_UP:
3705                 if (msg == NULL)
3706                         msg = "LOOP Up";
3707                 va_start(ap, cmd);
3708                 bus = va_arg(ap, int);
3709                 va_end(ap);
3710                 isp_loop_changed(isp, bus);
3711                 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
3712                 break;
3713         case ISPASYNC_DEV_ARRIVED:
3714                 va_start(ap, cmd);
3715                 bus = va_arg(ap, int);
3716                 lp = va_arg(ap, fcportdb_t *);
3717                 va_end(ap);
3718                 fc = ISP_FC_PC(isp, bus);
3719                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3720                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
3721                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived");
3722                 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
3723                     (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
3724                         lp->is_target = 1;
3725                         isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3726                         isp_make_here(isp, lp, bus, tgt);
3727                 }
3728                 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
3729                     (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) {
3730                         lp->is_initiator = 1;
3731                         ac.contract_number = AC_CONTRACT_DEV_CHG;
3732                         adc = (struct ac_device_changed *) ac.contract_data;
3733                         adc->wwpn = lp->port_wwn;
3734                         adc->port = lp->portid;
3735                         adc->target = tgt;
3736                         adc->arrived = 1;
3737                         xpt_async(AC_CONTRACT, fc->path, &ac);
3738                 }
3739                 break;
3740         case ISPASYNC_DEV_CHANGED:
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->new_prli_word3);
3749                 if (cmd == ISPASYNC_DEV_CHANGED)
3750                         isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed");
3751                 else
3752                         isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed");
3753
3754                 if (lp->is_target !=
3755                     ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
3756                      (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) {
3757                         lp->is_target = !lp->is_target;
3758                         if (lp->is_target) {
3759                                 if (cmd == ISPASYNC_DEV_CHANGED)
3760                                         isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3761                                 isp_make_here(isp, lp, bus, tgt);
3762                         } else {
3763                                 isp_make_gone(isp, lp, bus, tgt);
3764                                 if (cmd == ISPASYNC_DEV_CHANGED)
3765                                         isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3766                         }
3767                 }
3768                 if (lp->is_initiator !=
3769                     ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
3770                      (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) {
3771                         lp->is_initiator = !lp->is_initiator;
3772                         ac.contract_number = AC_CONTRACT_DEV_CHG;
3773                         adc = (struct ac_device_changed *) ac.contract_data;
3774                         adc->wwpn = lp->port_wwn;
3775                         adc->port = lp->portid;
3776                         adc->target = tgt;
3777                         adc->arrived = lp->is_initiator;
3778                         xpt_async(AC_CONTRACT, fc->path, &ac);
3779                 }
3780                 break;
3781         case ISPASYNC_DEV_GONE:
3782                 va_start(ap, cmd);
3783                 bus = va_arg(ap, int);
3784                 lp = va_arg(ap, fcportdb_t *);
3785                 va_end(ap);
3786                 fc = ISP_FC_PC(isp, bus);
3787                 tgt = FC_PORTDB_TGT(isp, bus, lp);
3788                 /*
3789                  * If this has a virtual target or initiator set the isp_gdt
3790                  * timer running on it to delay its departure.
3791                  */
3792                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
3793                 if (lp->is_target || lp->is_initiator) {
3794                         lp->state = FC_PORTDB_STATE_ZOMBIE;
3795                         lp->gone_timer = fc->gone_device_time;
3796                         isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie");
3797                         if (fc->ready && !callout_active(&fc->gdt)) {
3798                                 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);
3799                                 callout_reset(&fc->gdt, hz, isp_gdt, fc);
3800                         }
3801                         break;
3802                 }
3803                 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone");
3804                 break;
3805         case ISPASYNC_CHANGE_NOTIFY:
3806         {
3807                 char *msg;
3808                 int evt, nphdl, nlstate, portid, reason;
3809
3810                 va_start(ap, cmd);
3811                 bus = va_arg(ap, int);
3812                 evt = va_arg(ap, int);
3813                 if (evt == ISPASYNC_CHANGE_PDB) {
3814                         nphdl = va_arg(ap, int);
3815                         nlstate = va_arg(ap, int);
3816                         reason = va_arg(ap, int);
3817                 } else if (evt == ISPASYNC_CHANGE_SNS) {
3818                         portid = va_arg(ap, int);
3819                 } else {
3820                         nphdl = NIL_HANDLE;
3821                         nlstate = reason = 0;
3822                 }
3823                 va_end(ap);
3824
3825                 if (evt == ISPASYNC_CHANGE_PDB) {
3826                         int tgt_set = 0;
3827                         msg = "Port Database Changed";
3828                         isp_prt(isp, ISP_LOGINFO,
3829                             "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)",
3830                             bus, msg, nphdl, nlstate, reason);
3831                         /*
3832                          * Port database syncs are not sufficient for
3833                          * determining that logins or logouts are done on the
3834                          * loop, but this information is directly available from
3835                          * the reason code from the incoming mbox. We must reset
3836                          * the fcp crn on these events according to FCP-4
3837                          */
3838                         switch (reason) {
3839                         case PDB24XX_AE_IMPL_LOGO_1:
3840                         case PDB24XX_AE_IMPL_LOGO_2:
3841                         case PDB24XX_AE_IMPL_LOGO_3:
3842                         case PDB24XX_AE_PLOGI_RCVD:
3843                         case PDB24XX_AE_PRLI_RCVD:
3844                         case PDB24XX_AE_PRLO_RCVD:
3845                         case PDB24XX_AE_LOGO_RCVD:
3846                         case PDB24XX_AE_PLOGI_DONE:
3847                         case PDB24XX_AE_PRLI_DONE:
3848                                 /*
3849                                  * If the event is not global, twiddle tgt and
3850                                  * tgt_set to nominate only the target
3851                                  * associated with the nphdl.
3852                                  */
3853                                 if (nphdl != PDB24XX_AE_GLOBAL) {
3854                                         /* Break if we don't yet have the pdb */
3855                                         if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp))
3856                                                 break;
3857                                         tgt = FC_PORTDB_TGT(isp, bus, lp);
3858                                         tgt_set = 1;
3859                                 }
3860                                 isp_fcp_reset_crn(isp, bus, tgt, tgt_set);
3861                                 break;
3862                         default:
3863                                 break; /* NOP */
3864                         }
3865                 } else if (evt == ISPASYNC_CHANGE_SNS) {
3866                         msg = "Name Server Database Changed";
3867                         isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)",
3868                             bus, msg, portid);
3869                 } else {
3870                         msg = "Other Change Notify";
3871                         isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
3872                 }
3873                 isp_loop_changed(isp, bus);
3874                 break;
3875         }
3876 #ifdef  ISP_TARGET_MODE
3877         case ISPASYNC_TARGET_NOTIFY:
3878         {
3879                 isp_notify_t *notify;
3880                 va_start(ap, cmd);
3881                 notify = va_arg(ap, isp_notify_t *);
3882                 va_end(ap);
3883                 switch (notify->nt_ncode) {
3884                 case NT_ABORT_TASK:
3885                 case NT_ABORT_TASK_SET:
3886                 case NT_CLEAR_ACA:
3887                 case NT_CLEAR_TASK_SET:
3888                 case NT_LUN_RESET:
3889                 case NT_TARGET_RESET:
3890                 case NT_QUERY_TASK_SET:
3891                 case NT_QUERY_ASYNC_EVENT:
3892                         /*
3893                          * These are task management functions.
3894                          */
3895                         isp_handle_platform_target_tmf(isp, notify);
3896                         break;
3897                 case NT_BUS_RESET:
3898                 case NT_LIP_RESET:
3899                 case NT_LINK_UP:
3900                 case NT_LINK_DOWN:
3901                 case NT_HBA_RESET:
3902                         /*
3903                          * No action need be taken here.
3904                          */
3905                         break;
3906                 case NT_GLOBAL_LOGOUT:
3907                 case NT_LOGOUT:
3908                         /*
3909                          * This is device arrival/departure notification
3910                          */
3911                         isp_handle_platform_target_notify_ack(isp, notify, 0);
3912                         break;
3913                 case NT_SRR:
3914                         isp_handle_platform_srr(isp, notify);
3915                         break;
3916                 default:
3917                         isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
3918                         isp_handle_platform_target_notify_ack(isp, notify, 0);
3919                         break;
3920                 }
3921                 break;
3922         }
3923         case ISPASYNC_TARGET_NOTIFY_ACK:
3924         {
3925                 void *inot;
3926                 va_start(ap, cmd);
3927                 inot = va_arg(ap, void *);
3928                 va_end(ap);
3929                 if (isp_notify_ack(isp, inot)) {
3930                         isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
3931                         if (tp) {
3932                                 tp->isp = isp;
3933                                 memcpy(tp->data, inot, sizeof (tp->data));
3934                                 tp->not = tp->data;
3935                                 callout_init_mtx(&tp->timer, &isp->isp_lock, 0);
3936                                 callout_reset(&tp->timer, 5,
3937                                     isp_refire_notify_ack, tp);
3938                         } else {
3939                                 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
3940                         }
3941                 }
3942                 break;
3943         }
3944         case ISPASYNC_TARGET_ACTION:
3945         {
3946                 isphdr_t *hp;
3947
3948                 va_start(ap, cmd);
3949                 hp = va_arg(ap, isphdr_t *);
3950                 va_end(ap);
3951                 switch (hp->rqs_entry_type) {
3952                 case RQSTYPE_ATIO:
3953                         isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
3954                         break;
3955                 case RQSTYPE_ATIO2:
3956                         isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
3957                         break;
3958                 case RQSTYPE_CTIO7:
3959                 case RQSTYPE_CTIO3:
3960                 case RQSTYPE_CTIO2:
3961                 case RQSTYPE_CTIO:
3962                         isp_handle_platform_ctio(isp, hp);
3963                         break;
3964                 default:
3965                         isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x",
3966                             __func__, hp->rqs_entry_type);
3967                         break;
3968                 }
3969                 break;
3970         }
3971 #endif
3972         case ISPASYNC_FW_CRASH:
3973         {
3974                 uint16_t mbox1, mbox6;
3975                 mbox1 = ISP_READ(isp, OUTMAILBOX1);
3976                 if (IS_DUALBUS(isp)) {
3977                         mbox6 = ISP_READ(isp, OUTMAILBOX6);
3978                 } else {
3979                         mbox6 = 0;
3980                 }
3981                 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
3982 #if 0
3983                 mbox1 = isp->isp_osinfo.mbox_sleep_ok;
3984                 isp->isp_osinfo.mbox_sleep_ok = 0;
3985                 isp_reinit(isp, 1);
3986                 isp->isp_osinfo.mbox_sleep_ok = mbox1;
3987                 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
3988 #endif
3989                 break;
3990         }
3991         default:
3992                 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
3993                 break;
3994         }
3995 }
3996
3997 uint64_t
3998 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
3999 {
4000         uint64_t seed;
4001         struct isp_fc *fc = ISP_FC_PC(isp, chan);
4002
4003         /* First try to use explicitly configured WWNs. */
4004         seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
4005         if (seed)
4006                 return (seed);
4007
4008         /* Otherwise try to use WWNs from NVRAM. */
4009         if (isactive) {
4010                 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram :
4011                     FCPARAM(isp, chan)->isp_wwpn_nvram;
4012                 if (seed)
4013                         return (seed);
4014         }
4015
4016         /* If still no WWNs, try to steal them from the first channel. */
4017         if (chan > 0) {
4018                 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn :
4019                     ISP_FC_PC(isp, 0)->def_wwpn;
4020                 if (seed == 0) {
4021                         seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram :
4022                             FCPARAM(isp, 0)->isp_wwpn_nvram;
4023                 }
4024         }
4025
4026         /* If still nothing -- improvise. */
4027         if (seed == 0) {
4028                 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev);
4029                 if (!iswwnn)
4030                         seed ^= 0x0100000000000000ULL;
4031         }
4032
4033         /* For additional channels we have to improvise even more. */
4034         if (!iswwnn && chan > 0) {
4035                 /*
4036                  * We'll stick our channel number plus one first into bits
4037                  * 57..59 and thence into bits 52..55 which allows for 8 bits
4038                  * of channel which is enough for our maximum of 255 channels.
4039                  */
4040                 seed ^= 0x0100000000000000ULL;
4041                 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56;
4042                 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
4043         }
4044         return (seed);
4045 }
4046
4047 void
4048 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
4049 {
4050         int loc;
4051         char lbuf[200];
4052         va_list ap;
4053
4054         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4055                 return;
4056         }
4057         snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
4058         loc = strlen(lbuf);
4059         va_start(ap, fmt);
4060         vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
4061         va_end(ap);
4062         printf("%s\n", lbuf);
4063 }
4064
4065 void
4066 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
4067 {
4068         va_list ap;
4069         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4070                 return;
4071         }
4072         xpt_print_path(xs->ccb_h.path);
4073         va_start(ap, fmt);
4074         vprintf(fmt, ap);
4075         va_end(ap);
4076         printf("\n");
4077 }
4078
4079 uint64_t
4080 isp_nanotime_sub(struct timespec *b, struct timespec *a)
4081 {
4082         uint64_t elapsed;
4083         struct timespec x = *b;
4084         timespecsub(&x, a);
4085         elapsed = GET_NANOSEC(&x);
4086         if (elapsed == 0)
4087                 elapsed++;
4088         return (elapsed);
4089 }
4090
4091 int
4092 isp_mbox_acquire(ispsoftc_t *isp)
4093 {
4094         if (isp->isp_osinfo.mboxbsy) {
4095                 return (1);
4096         } else {
4097                 isp->isp_osinfo.mboxcmd_done = 0;
4098                 isp->isp_osinfo.mboxbsy = 1;
4099                 return (0);
4100         }
4101 }
4102
4103 void
4104 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
4105 {
4106         u_int t, to;
4107
4108         to = (mbp->timeout == 0) ? MBCMD_DEFAULT_TIMEOUT : mbp->timeout;
4109         if (isp->isp_osinfo.mbox_sleep_ok) {
4110                 isp->isp_osinfo.mbox_sleep_ok = 0;
4111                 isp->isp_osinfo.mbox_sleeping = 1;
4112                 msleep_sbt(&isp->isp_osinfo.mboxcmd_done, &isp->isp_lock,
4113                     PRIBIO, "ispmbx_sleep", to * SBT_1US, 0, 0);
4114                 isp->isp_osinfo.mbox_sleep_ok = 1;
4115                 isp->isp_osinfo.mbox_sleeping = 0;
4116         } else {
4117                 for (t = 0; t < to; t += 100) {
4118                         if (isp->isp_osinfo.mboxcmd_done)
4119                                 break;
4120                         ISP_RUN_ISR(isp);
4121                         if (isp->isp_osinfo.mboxcmd_done)
4122                                 break;
4123                         ISP_DELAY(100);
4124                 }
4125         }
4126         if (isp->isp_osinfo.mboxcmd_done == 0) {
4127                 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (%s:%d)",
4128                     isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled",
4129                     isp->isp_lastmbxcmd, to, mbp->func, mbp->lineno);
4130                 mbp->param[0] = MBOX_TIMEOUT;
4131                 isp->isp_osinfo.mboxcmd_done = 1;
4132         }
4133 }
4134
4135 void
4136 isp_mbox_notify_done(ispsoftc_t *isp)
4137 {
4138         isp->isp_osinfo.mboxcmd_done = 1;
4139         if (isp->isp_osinfo.mbox_sleeping)
4140                 wakeup(&isp->isp_osinfo.mboxcmd_done);
4141 }
4142
4143 void
4144 isp_mbox_release(ispsoftc_t *isp)
4145 {
4146         isp->isp_osinfo.mboxbsy = 0;
4147 }
4148
4149 int
4150 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
4151 {
4152         int ret = 0;
4153         if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
4154                 ret = -1;
4155         } else {
4156                 isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
4157         }
4158         return (ret);
4159 }
4160
4161 void
4162 isp_platform_intr(void *arg)
4163 {
4164         ispsoftc_t *isp = arg;
4165
4166         ISP_LOCK(isp);
4167         ISP_RUN_ISR(isp);
4168         ISP_UNLOCK(isp);
4169 }
4170
4171 void
4172 isp_platform_intr_resp(void *arg)
4173 {
4174         ispsoftc_t *isp = arg;
4175
4176         ISP_LOCK(isp);
4177         isp_intr_respq(isp);
4178         ISP_UNLOCK(isp);
4179
4180         /* We have handshake enabled, so explicitly complete interrupt */
4181         ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
4182 }
4183
4184 void
4185 isp_platform_intr_atio(void *arg)
4186 {
4187         ispsoftc_t *isp = arg;
4188
4189         ISP_LOCK(isp);
4190 #ifdef  ISP_TARGET_MODE
4191         isp_intr_atioq(isp);
4192 #endif
4193         ISP_UNLOCK(isp);
4194
4195         /* We have handshake enabled, so explicitly complete interrupt */
4196         ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
4197 }
4198
4199 void
4200 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
4201 {
4202         if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
4203                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
4204         } else {
4205                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
4206         }
4207         bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
4208 }
4209
4210 /*
4211  * Reset the command reference number for all LUNs on a specific target
4212  * (needed when a target arrives again) or for all targets on a port
4213  * (needed for events like a LIP).
4214  */
4215 void
4216 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set)
4217 {
4218         struct isp_fc *fc = ISP_FC_PC(isp, chan);
4219         struct isp_nexus *nxp;
4220         int i;
4221
4222         if (tgt_set == 0)
4223                 isp_prt(isp, ISP_LOGDEBUG0,
4224                     "Chan %d resetting CRN on all targets", chan);
4225         else
4226                 isp_prt(isp, ISP_LOGDEBUG0,
4227                     "Chan %d resetting CRN on target %u", chan, tgt);
4228
4229         for (i = 0; i < NEXUS_HASH_WIDTH; i++) {
4230                 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) {
4231                         if (tgt_set == 0 || tgt == nxp->tgt)
4232                                 nxp->crnseed = 0;
4233                 }
4234         }
4235 }
4236
4237 int
4238 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
4239 {
4240         lun_id_t lun;
4241         uint32_t chan, tgt;
4242         struct isp_fc *fc;
4243         struct isp_nexus *nxp;
4244         int idx;
4245
4246         if (IS_2100(isp))
4247                 return (0);
4248
4249         chan = XS_CHANNEL(cmd);
4250         tgt = XS_TGT(cmd);
4251         lun = XS_LUN(cmd);
4252         fc = &isp->isp_osinfo.pc.fc[chan];
4253         idx = NEXUS_HASH(tgt, lun);
4254         nxp = fc->nexus_hash[idx];
4255
4256         while (nxp) {
4257                 if (nxp->tgt == tgt && nxp->lun == lun)
4258                         break;
4259                 nxp = nxp->next;
4260         }
4261         if (nxp == NULL) {
4262                 nxp = fc->nexus_free_list;
4263                 if (nxp == NULL) {
4264                         nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
4265                         if (nxp == NULL) {
4266                                 return (-1);
4267                         }
4268                 } else {
4269                         fc->nexus_free_list = nxp->next;
4270                 }
4271                 nxp->tgt = tgt;
4272                 nxp->lun = lun;
4273                 nxp->next = fc->nexus_hash[idx];
4274                 fc->nexus_hash[idx] = nxp;
4275         }
4276         if (nxp->crnseed == 0)
4277                 nxp->crnseed = 1;
4278         *crnp = nxp->crnseed++;
4279         return (0);
4280 }
4281
4282 /*
4283  * We enter with the lock held
4284  */
4285 void
4286 isp_timer(void *arg)
4287 {
4288         ispsoftc_t *isp = arg;
4289 #ifdef  ISP_TARGET_MODE
4290         isp_tmcmd_restart(isp);
4291 #endif
4292         callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
4293 }
4294
4295 isp_ecmd_t *
4296 isp_get_ecmd(ispsoftc_t *isp)
4297 {
4298         isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
4299         if (ecmd) {
4300                 isp->isp_osinfo.ecmd_free = ecmd->next;
4301         }
4302         return (ecmd);
4303 }
4304
4305 void
4306 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
4307 {
4308         ecmd->next = isp->isp_osinfo.ecmd_free;
4309         isp->isp_osinfo.ecmd_free = ecmd;
4310 }