sys/dev/isp/isp_freebsd.c

   1 /*-
   2  * Copyright (c) 1997-2009 by Matthew Jacob
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice immediately at the beginning of the file, without modification,
  10  *    this list of conditions, and the following disclaimer.
  11  * 2. The name of the author may not be used to endorse or promote products
  12  *    derived from this software without specific prior written permission.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  18  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 /*
  28  * Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
  29  */
  30 #include <sys/cdefs.h>
  31 __FBSDID("$FreeBSD$");
  32 #include <dev/isp/isp_freebsd.h>
  33 #include <sys/unistd.h>
  34 #include <sys/kthread.h>
  35 #include <sys/conf.h>
  36 #include <sys/module.h>
  37 #include <sys/ioccom.h>
  38 #include <dev/isp/isp_ioctl.h>
  39 #include <sys/devicestat.h>
  40 #include <cam/cam_periph.h>
  41 #include <cam/cam_xpt_periph.h>
  42
  43 #if     __FreeBSD_version < 800002
  44 #define THREAD_CREATE   kthread_create
  45 #else
  46 #define THREAD_CREATE   kproc_create
  47 #endif
  48
  49 MODULE_VERSION(isp, 1);
  50 MODULE_DEPEND(isp, cam, 1, 1, 1);
  51 int isp_announced = 0;
  52 int isp_fabric_hysteresis = 5;
  53 int isp_loop_down_limit = 60;   /* default loop down limit */
  54 int isp_change_is_bad = 0;      /* "changed" devices are bad */
  55 int isp_quickboot_time = 7;     /* don't wait more than N secs for loop up */
  56 int isp_gone_device_time = 30;  /* grace time before reporting device lost */
  57 int isp_autoconfig = 1;         /* automatically attach/detach devices */
  58 static const char prom3[] = "Chan %d PortID 0x%06x Departed from Target %u because of %s";
  59 static const char rqo[] = "%s: Request Queue Overflow\n";
  60
  61 static void isp_freeze_loopdown(ispsoftc_t *, int, char *);
  62 static d_ioctl_t ispioctl;
  63 static void isp_intr_enable(void *);
  64 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
  65 static void isp_poll(struct cam_sim *);
  66 static timeout_t isp_watchdog;
  67 static timeout_t isp_gdt;
  68 static task_fn_t isp_gdt_task;
  69 static timeout_t isp_ldt;
  70 static task_fn_t isp_ldt_task;
  71 static void isp_kthread(void *);
  72 static void isp_action(struct cam_sim *, union ccb *);
  73 #ifdef  ISP_INTERNAL_TARGET
  74 static void isp_target_thread_pi(void *);
  75 static void isp_target_thread_fc(void *);
  76 #endif
  77 static int isp_timer_count;
  78 static void isp_timer(void *);
  79
  80 static struct cdevsw isp_cdevsw = {
  81         .d_version =    D_VERSION,
  82         .d_ioctl =      ispioctl,
  83         .d_name =       "isp",
  84 };
  85
  86 static int
  87 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
  88 {
  89         struct ccb_setasync csa;
  90         struct cam_sim *sim;
  91         struct cam_path *path;
  92
  93         /*
  94          * Construct our SIM entry.
  95          */
  96         sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, device_get_unit(isp->isp_dev), &isp->isp_osinfo.lock, isp->isp_maxcmds, isp->isp_maxcmds, devq);
  97
  98         if (sim == NULL) {
  99                 return (ENOMEM);
 100         }
 101
 102         ISP_LOCK(isp);
 103         if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
 104                 ISP_UNLOCK(isp);
 105                 cam_sim_free(sim, FALSE);
 106                 return (EIO);
 107         }
 108         ISP_UNLOCK(isp);
 109         if (xpt_create_path_unlocked(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 110                 ISP_LOCK(isp);
 111                 xpt_bus_deregister(cam_sim_path(sim));
 112                 ISP_UNLOCK(isp);
 113                 cam_sim_free(sim, FALSE);
 114                 return (ENXIO);
 115         }
 116         xpt_setup_ccb(&csa.ccb_h, path, 5);
 117         csa.ccb_h.func_code = XPT_SASYNC_CB;
 118         csa.event_enable = AC_LOST_DEVICE;
 119         csa.callback = isp_cam_async;
 120         csa.callback_arg = sim;
 121
 122         ISP_LOCK(isp);
 123         xpt_action((union ccb *)&csa);
 124         ISP_UNLOCK(isp);
 125
 126         if (IS_SCSI(isp)) {
 127                 struct isp_spi *spi = ISP_SPI_PC(isp, chan);
 128                 spi->sim = sim;
 129                 spi->path = path;
 130 #ifdef  ISP_INTERNAL_TARGET
 131                 ISP_SET_PC(isp, chan, proc_active, 1);
 132                 if (THREAD_CREATE(isp_target_thread_pi, spi, &spi->target_proc, 0, 0, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
 133                         ISP_SET_PC(isp, chan, proc_active, 0);
 134                         isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
 135                 }
 136 #endif
 137         } else {
 138                 fcparam *fcp = FCPARAM(isp, chan);
 139                 struct isp_fc *fc = ISP_FC_PC(isp, chan);
 140
 141                 ISP_LOCK(isp);
 142                 fc->sim = sim;
 143                 fc->path = path;
 144                 fc->isp = isp;
 145                 fc->ready = 1;
 146
 147                 callout_init_mtx(&fc->ldt, &isp->isp_osinfo.lock, 0);
 148                 callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0);
 149                 TASK_INIT(&fc->ltask, 1, isp_ldt_task, fc);
 150                 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
 151
 152                 /*
 153                  * We start by being "loop down" if we have an initiator role
 154                  */
 155                 if (fcp->role & ISP_ROLE_INITIATOR) {
 156                         isp_freeze_loopdown(isp, chan, "isp_attach");
 157                         callout_reset(&fc->ldt, isp_quickboot_time * hz, isp_ldt, fc);
 158                         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Initial Loop Down Timer @ %lu", (unsigned long) time_uptime);
 159                 }
 160                 ISP_UNLOCK(isp);
 161                 if (THREAD_CREATE(isp_kthread, fc, &fc->kproc, 0, 0, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
 162                         xpt_free_path(fc->path);
 163                         ISP_LOCK(isp);
 164                         if (callout_active(&fc->ldt))
 165                                 callout_stop(&fc->ldt);
 166                         xpt_bus_deregister(cam_sim_path(fc->sim));
 167                         ISP_UNLOCK(isp);
 168                         cam_sim_free(fc->sim, FALSE);
 169                         return (ENOMEM);
 170                 }
 171 #ifdef  ISP_INTERNAL_TARGET
 172                 ISP_SET_PC(isp, chan, proc_active, 1);
 173                 if (THREAD_CREATE(isp_target_thread_fc, fc, &fc->target_proc, 0, 0, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
 174                         ISP_SET_PC(isp, chan, proc_active, 0);
 175                         isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
 176                 }
 177 #endif
 178                 if (chan == 0) {
 179                         struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
 180                         struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
 181                         SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwnn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwnn, "World Wide Node Name");
 182                         SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwpn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwpn, "World Wide Port Name");
 183                         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "loop_down_limit", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->loop_down_limit, 0, "Loop Down Limit");
 184                         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "gone_device_time", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->gone_device_time, 0, "Gone Device Time");
 185 #if defined(ISP_TARGET_MODE) && defined(DEBUG)
 186                         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "inject_lost_data_frame", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->inject_lost_data_frame, 0, "Cause a Lost Frame on a Read");
 187 #endif
 188                 }
 189         }
 190         return (0);
 191 }
 192
 193 int
 194 isp_attach(ispsoftc_t *isp)
 195 {
 196         const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
 197         int du = device_get_unit(isp->isp_dev);
 198         int chan;
 199
 200         isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
 201         isp->isp_osinfo.ehook.ich_arg = isp;
 202         /*
 203          * Haha. Set this first, because if we're loaded as a module isp_intr_enable
 204          * will be called right awawy, which will clear isp_osinfo.ehook_active,
 205          * which would be unwise to then set again later.
 206          */
 207         isp->isp_osinfo.ehook_active = 1;
 208         if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
 209                 isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook");
 210                 return (-EIO);
 211         }
 212
 213         /*
 214          * Create the device queue for our SIM(s).
 215          */
 216         isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
 217         if (isp->isp_osinfo.devq == NULL) {
 218                 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 219                 return (EIO);
 220         }
 221
 222         for (chan = 0; chan < isp->isp_nchan; chan++) {
 223                 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
 224                         goto unwind;
 225                 }
 226         }
 227
 228         callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0);
 229         isp_timer_count = hz >> 2;
 230         callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
 231         isp->isp_osinfo.timer_active = 1;
 232
 233         isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
 234         if (isp->isp_osinfo.cdev) {
 235                 isp->isp_osinfo.cdev->si_drv1 = isp;
 236         }
 237         return (0);
 238
 239 unwind:
 240         while (--chan >= 0) {
 241                 struct cam_sim *sim;
 242                 struct cam_path *path;
 243                 if (IS_FC(isp)) {
 244                         sim = ISP_FC_PC(isp, chan)->sim;
 245                         path = ISP_FC_PC(isp, chan)->path;
 246                 } else {
 247                         sim = ISP_SPI_PC(isp, chan)->sim;
 248                         path = ISP_SPI_PC(isp, chan)->path;
 249                 }
 250                 xpt_free_path(path);
 251                 ISP_LOCK(isp);
 252                 xpt_bus_deregister(cam_sim_path(sim));
 253                 ISP_UNLOCK(isp);
 254                 cam_sim_free(sim, FALSE);
 255         }
 256         if (isp->isp_osinfo.ehook_active) {
 257                 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 258                 isp->isp_osinfo.ehook_active = 0;
 259         }
 260         if (isp->isp_osinfo.cdev) {
 261                 destroy_dev(isp->isp_osinfo.cdev);
 262                 isp->isp_osinfo.cdev = NULL;
 263         }
 264         cam_simq_free(isp->isp_osinfo.devq);
 265         isp->isp_osinfo.devq = NULL;
 266         return (-1);
 267 }
 268
 269 int
 270 isp_detach(ispsoftc_t *isp)
 271 {
 272         struct cam_sim *sim;
 273         struct cam_path *path;
 274         struct ccb_setasync csa;
 275         int chan;
 276
 277         ISP_LOCK(isp);
 278         for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
 279                 if (IS_FC(isp)) {
 280                         sim = ISP_FC_PC(isp, chan)->sim;
 281                         path = ISP_FC_PC(isp, chan)->path;
 282                 } else {
 283                         sim = ISP_SPI_PC(isp, chan)->sim;
 284                         path = ISP_SPI_PC(isp, chan)->path;
 285                 }
 286                 if (sim->refcount > 2) {
 287                         ISP_UNLOCK(isp);
 288                         return (EBUSY);
 289                 }
 290         }
 291         if (isp->isp_osinfo.timer_active) {
 292                 callout_stop(&isp->isp_osinfo.tmo);
 293                 isp->isp_osinfo.timer_active = 0;
 294         }
 295         for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
 296                 if (IS_FC(isp)) {
 297                         sim = ISP_FC_PC(isp, chan)->sim;
 298                         path = ISP_FC_PC(isp, chan)->path;
 299                 } else {
 300                         sim = ISP_SPI_PC(isp, chan)->sim;
 301                         path = ISP_SPI_PC(isp, chan)->path;
 302                 }
 303                 xpt_setup_ccb(&csa.ccb_h, path, 5);
 304                 csa.ccb_h.func_code = XPT_SASYNC_CB;
 305                 csa.event_enable = 0;
 306                 csa.callback = isp_cam_async;
 307                 csa.callback_arg = sim;
 308                 ISP_LOCK(isp);
 309                 xpt_action((union ccb *)&csa);
 310                 ISP_UNLOCK(isp);
 311                 xpt_free_path(path);
 312                 xpt_bus_deregister(cam_sim_path(sim));
 313                 cam_sim_free(sim, FALSE);
 314         }
 315         ISP_UNLOCK(isp);
 316         if (isp->isp_osinfo.cdev) {
 317                 destroy_dev(isp->isp_osinfo.cdev);
 318                 isp->isp_osinfo.cdev = NULL;
 319         }
 320         if (isp->isp_osinfo.ehook_active) {
 321                 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 322                 isp->isp_osinfo.ehook_active = 0;
 323         }
 324         if (isp->isp_osinfo.devq != NULL) {
 325                 cam_simq_free(isp->isp_osinfo.devq);
 326                 isp->isp_osinfo.devq = NULL;
 327         }
 328         return (0);
 329 }
 330
 331 static void
 332 isp_freeze_loopdown(ispsoftc_t *isp, int chan, char *msg)
 333 {
 334         if (IS_FC(isp)) {
 335                 struct isp_fc *fc = ISP_FC_PC(isp, chan);
 336                 if (fc->simqfrozen == 0) {
 337                         isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown) chan %d", msg, chan);
 338                         fc->simqfrozen = SIMQFRZ_LOOPDOWN;
 339                         xpt_freeze_simq(fc->sim, 1);
 340                 } else {
 341                         isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown) chan %d", msg, chan);
 342                         fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
 343                 }
 344         }
 345 }
 346
 347 static void
 348 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
 349 {
 350         if (IS_FC(isp)) {
 351                 struct isp_fc *fc = ISP_FC_PC(isp, chan);
 352                 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
 353                 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
 354                 if (wasfrozen && fc->simqfrozen == 0) {
 355                         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d releasing simq", __func__, chan);
 356                         xpt_release_simq(fc->sim, 1);
 357                 }
 358         }
 359 }
 360
 361
 362 static int
 363 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
 364 {
 365         ispsoftc_t *isp;
 366         int nr, chan, retval = ENOTTY;
 367
 368         isp = dev->si_drv1;
 369
 370         switch (c) {
 371         case ISP_SDBLEV:
 372         {
 373                 int olddblev = isp->isp_dblev;
 374                 isp->isp_dblev = *(int *)addr;
 375                 *(int *)addr = olddblev;
 376                 retval = 0;
 377                 break;
 378         }
 379         case ISP_GETROLE:
 380                 chan = *(int *)addr;
 381                 if (chan < 0 || chan >= isp->isp_nchan) {
 382                         retval = -ENXIO;
 383                         break;
 384                 }
 385                 if (IS_FC(isp)) {
 386                         *(int *)addr = FCPARAM(isp, chan)->role;
 387                 } else {
 388                         *(int *)addr = SDPARAM(isp, chan)->role;
 389                 }
 390                 retval = 0;
 391                 break;
 392         case ISP_SETROLE:
 393                 nr = *(int *)addr;
 394                 chan = nr >> 8;
 395                 if (chan < 0 || chan >= isp->isp_nchan) {
 396                         retval = -ENXIO;
 397                         break;
 398                 }
 399                 nr &= 0xff;
 400                 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
 401                         retval = EINVAL;
 402                         break;
 403                 }
 404                 if (IS_FC(isp)) {
 405                         /*
 406                          * We don't really support dual role at present on FC cards.
 407                          *
 408                          * We should, but a bunch of things are currently broken,
 409                          * so don't allow it.
 410                          */
 411                         if (nr == ISP_ROLE_BOTH) {
 412                                 isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
 413                                 retval = EINVAL;
 414                                 break;
 415                         }
 416                         *(int *)addr = FCPARAM(isp, chan)->role;
 417 #ifdef  ISP_INTERNAL_TARGET
 418                         ISP_LOCK(isp);
 419                         retval = isp_fc_change_role(isp, chan, nr);
 420                         ISP_UNLOCK(isp);
 421 #else
 422                         FCPARAM(isp, chan)->role = nr;
 423 #endif
 424                 } else {
 425                         *(int *)addr = SDPARAM(isp, chan)->role;
 426                         SDPARAM(isp, chan)->role = nr;
 427                 }
 428                 retval = 0;
 429                 break;
 430
 431         case ISP_RESETHBA:
 432                 ISP_LOCK(isp);
 433 #ifdef  ISP_TARGET_MODE
 434                 isp_del_all_wwn_entries(isp, ISP_NOCHAN);
 435 #endif
 436                 isp_reinit(isp, 0);
 437                 ISP_UNLOCK(isp);
 438                 retval = 0;
 439                 break;
 440
 441         case ISP_RESCAN:
 442                 if (IS_FC(isp)) {
 443                         chan = *(int *)addr;
 444                         if (chan < 0 || chan >= isp->isp_nchan) {
 445                                 retval = -ENXIO;
 446                                 break;
 447                         }
 448                         ISP_LOCK(isp);
 449                         if (isp_fc_runstate(isp, chan, 5 * 1000000)) {
 450                                 retval = EIO;
 451                         } else {
 452                                 retval = 0;
 453                         }
 454                         ISP_UNLOCK(isp);
 455                 }
 456                 break;
 457
 458         case ISP_FC_LIP:
 459                 if (IS_FC(isp)) {
 460                         chan = *(int *)addr;
 461                         if (chan < 0 || chan >= isp->isp_nchan) {
 462                                 retval = -ENXIO;
 463                                 break;
 464                         }
 465                         ISP_LOCK(isp);
 466                         if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
 467                                 retval = EIO;
 468                         } else {
 469                                 retval = 0;
 470                         }
 471                         ISP_UNLOCK(isp);
 472                 }
 473                 break;
 474         case ISP_FC_GETDINFO:
 475         {
 476                 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
 477                 fcportdb_t *lp;
 478
 479                 if (IS_SCSI(isp)) {
 480                         break;
 481                 }
 482                 if (ifc->loopid >= MAX_FC_TARG) {
 483                         retval = EINVAL;
 484                         break;
 485                 }
 486                 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
 487                 if (lp->state == FC_PORTDB_STATE_VALID || lp->target_mode) {
 488                         ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
 489                         ifc->loopid = lp->handle;
 490                         ifc->portid = lp->portid;
 491                         ifc->node_wwn = lp->node_wwn;
 492                         ifc->port_wwn = lp->port_wwn;
 493                         retval = 0;
 494                 } else {
 495                         retval = ENODEV;
 496                 }
 497                 break;
 498         }
 499         case ISP_GET_STATS:
 500         {
 501                 isp_stats_t *sp = (isp_stats_t *) addr;
 502
 503                 ISP_MEMZERO(sp, sizeof (*sp));
 504                 sp->isp_stat_version = ISP_STATS_VERSION;
 505                 sp->isp_type = isp->isp_type;
 506                 sp->isp_revision = isp->isp_revision;
 507                 ISP_LOCK(isp);
 508                 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
 509                 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
 510                 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
 511                 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
 512                 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
 513                 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
 514                 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
 515                 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
 516                 ISP_UNLOCK(isp);
 517                 retval = 0;
 518                 break;
 519         }
 520         case ISP_CLR_STATS:
 521                 ISP_LOCK(isp);
 522                 isp->isp_intcnt = 0;
 523                 isp->isp_intbogus = 0;
 524                 isp->isp_intmboxc = 0;
 525                 isp->isp_intoasync = 0;
 526                 isp->isp_rsltccmplt = 0;
 527                 isp->isp_fphccmplt = 0;
 528                 isp->isp_rscchiwater = 0;
 529                 isp->isp_fpcchiwater = 0;
 530                 ISP_UNLOCK(isp);
 531                 retval = 0;
 532                 break;
 533         case ISP_FC_GETHINFO:
 534         {
 535                 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
 536                 int chan = hba->fc_channel;
 537
 538                 if (chan < 0 || chan >= isp->isp_nchan) {
 539                         retval = ENXIO;
 540                         break;
 541                 }
 542                 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
 543                 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
 544                 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
 545                 hba->fc_nchannels = isp->isp_nchan;
 546                 if (IS_FC(isp)) {
 547                         hba->fc_nports = MAX_FC_TARG;
 548                         hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
 549                         hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
 550                         hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
 551                         hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
 552                         hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
 553                         hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
 554                         hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
 555                 } else {
 556                         hba->fc_nports = MAX_TARGETS;
 557                         hba->fc_speed = 0;
 558                         hba->fc_topology = 0;
 559                         hba->nvram_node_wwn = 0ull;
 560                         hba->nvram_port_wwn = 0ull;
 561                         hba->active_node_wwn = 0ull;
 562                         hba->active_port_wwn = 0ull;
 563                 }
 564                 retval = 0;
 565                 break;
 566         }
 567         case ISP_TSK_MGMT:
 568         {
 569                 int needmarker;
 570                 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
 571                 uint16_t loopid;
 572                 mbreg_t mbs;
 573
 574                 if (IS_SCSI(isp)) {
 575                         break;
 576                 }
 577
 578                 chan = fct->chan;
 579                 if (chan < 0 || chan >= isp->isp_nchan) {
 580                         retval = -ENXIO;
 581                         break;
 582                 }
 583
 584                 needmarker = retval = 0;
 585                 loopid = fct->loopid;
 586                 ISP_LOCK(isp);
 587                 if (IS_24XX(isp)) {
 588                         uint8_t local[QENTRY_LEN];
 589                         isp24xx_tmf_t *tmf;
 590                         isp24xx_statusreq_t *sp;
 591                         fcparam *fcp = FCPARAM(isp, chan);
 592                         fcportdb_t *lp;
 593                         int i;
 594
 595                         for (i = 0; i < MAX_FC_TARG; i++) {
 596                                 lp = &fcp->portdb[i];
 597                                 if (lp->handle == loopid) {
 598                                         break;
 599                                 }
 600                         }
 601                         if (i == MAX_FC_TARG) {
 602                                 retval = ENXIO;
 603                                 ISP_UNLOCK(isp);
 604                                 break;
 605                         }
 606                         /* XXX VALIDATE LP XXX */
 607                         tmf = (isp24xx_tmf_t *) local;
 608                         ISP_MEMZERO(tmf, QENTRY_LEN);
 609                         tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
 610                         tmf->tmf_header.rqs_entry_count = 1;
 611                         tmf->tmf_nphdl = lp->handle;
 612                         tmf->tmf_delay = 2;
 613                         tmf->tmf_timeout = 2;
 614                         tmf->tmf_tidlo = lp->portid;
 615                         tmf->tmf_tidhi = lp->portid >> 16;
 616                         tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan);
 617                         tmf->tmf_lun[1] = fct->lun & 0xff;
 618                         if (fct->lun >= 256) {
 619                                 tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8);
 620                         }
 621                         switch (fct->action) {
 622                         case IPT_CLEAR_ACA:
 623                                 tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA;
 624                                 break;
 625                         case IPT_TARGET_RESET:
 626                                 tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET;
 627                                 needmarker = 1;
 628                                 break;
 629                         case IPT_LUN_RESET:
 630                                 tmf->tmf_flags = ISP24XX_TMF_LUN_RESET;
 631                                 needmarker = 1;
 632                                 break;
 633                         case IPT_CLEAR_TASK_SET:
 634                                 tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
 635                                 needmarker = 1;
 636                                 break;
 637                         case IPT_ABORT_TASK_SET:
 638                                 tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
 639                                 needmarker = 1;
 640                                 break;
 641                         default:
 642                                 retval = EINVAL;
 643                                 break;
 644                         }
 645                         if (retval) {
 646                                 ISP_UNLOCK(isp);
 647                                 break;
 648                         }
 649                         MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL, 5000000);
 650                         mbs.param[1] = QENTRY_LEN;
 651                         mbs.param[2] = DMA_WD1(fcp->isp_scdma);
 652                         mbs.param[3] = DMA_WD0(fcp->isp_scdma);
 653                         mbs.param[6] = DMA_WD3(fcp->isp_scdma);
 654                         mbs.param[7] = DMA_WD2(fcp->isp_scdma);
 655
 656                         if (FC_SCRATCH_ACQUIRE(isp, chan)) {
 657                                 ISP_UNLOCK(isp);
 658                                 retval = ENOMEM;
 659                                 break;
 660                         }
 661                         isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch);
 662                         MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan);
 663                         sp = (isp24xx_statusreq_t *) local;
 664                         sp->req_completion_status = 1;
 665                         retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
 666                         MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan);
 667                         isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp);
 668                         FC_SCRATCH_RELEASE(isp, chan);
 669                         if (retval || sp->req_completion_status != 0) {
 670                                 FC_SCRATCH_RELEASE(isp, chan);
 671                                 retval = EIO;
 672                         }
 673                         if (retval == 0) {
 674                                 if (needmarker) {
 675                                         fcp->sendmarker = 1;
 676                                 }
 677                         }
 678                 } else {
 679                         MBSINIT(&mbs, 0, MBLOGALL, 0);
 680                         if (ISP_CAP_2KLOGIN(isp) == 0) {
 681                                 loopid <<= 8;
 682                         }
 683                         switch (fct->action) {
 684                         case IPT_CLEAR_ACA:
 685                                 mbs.param[0] = MBOX_CLEAR_ACA;
 686                                 mbs.param[1] = loopid;
 687                                 mbs.param[2] = fct->lun;
 688                                 break;
 689                         case IPT_TARGET_RESET:
 690                                 mbs.param[0] = MBOX_TARGET_RESET;
 691                                 mbs.param[1] = loopid;
 692                                 needmarker = 1;
 693                                 break;
 694                         case IPT_LUN_RESET:
 695                                 mbs.param[0] = MBOX_LUN_RESET;
 696                                 mbs.param[1] = loopid;
 697                                 mbs.param[2] = fct->lun;
 698                                 needmarker = 1;
 699                                 break;
 700                         case IPT_CLEAR_TASK_SET:
 701                                 mbs.param[0] = MBOX_CLEAR_TASK_SET;
 702                                 mbs.param[1] = loopid;
 703                                 mbs.param[2] = fct->lun;
 704                                 needmarker = 1;
 705                                 break;
 706                         case IPT_ABORT_TASK_SET:
 707                                 mbs.param[0] = MBOX_ABORT_TASK_SET;
 708                                 mbs.param[1] = loopid;
 709                                 mbs.param[2] = fct->lun;
 710                                 needmarker = 1;
 711                                 break;
 712                         default:
 713                                 retval = EINVAL;
 714                                 break;
 715                         }
 716                         if (retval == 0) {
 717                                 if (needmarker) {
 718                                         FCPARAM(isp, chan)->sendmarker = 1;
 719                                 }
 720                                 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
 721                                 if (retval) {
 722                                         retval = EIO;
 723                                 }
 724                         }
 725                 }
 726                 ISP_UNLOCK(isp);
 727                 break;
 728         }
 729         default:
 730                 break;
 731         }
 732         return (retval);
 733 }
 734
 735 static void
 736 isp_intr_enable(void *arg)
 737 {
 738         int chan;
 739         ispsoftc_t *isp = arg;
 740         ISP_LOCK(isp);
 741         for (chan = 0; chan < isp->isp_nchan; chan++) {
 742                 if (IS_FC(isp)) {
 743                         if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) {
 744                                 ISP_ENABLE_INTS(isp);
 745                                 break;
 746                         }
 747                 } else {
 748                         if (SDPARAM(isp, chan)->role != ISP_ROLE_NONE) {
 749                                 ISP_ENABLE_INTS(isp);
 750                                 break;
 751                         }
 752                 }
 753         }
 754         isp->isp_osinfo.ehook_active = 0;
 755         ISP_UNLOCK(isp);
 756         /* Release our hook so that the boot can continue. */
 757         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 758 }
 759
 760 /*
 761  * Local Inlines
 762  */
 763
 764 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
 765 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
 766
 767 static ISP_INLINE int
 768 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
 769 {
 770         ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
 771         if (ISP_PCMD(ccb) == NULL) {
 772                 return (-1);
 773         }
 774         isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
 775         return (0);
 776 }
 777
 778 static ISP_INLINE void
 779 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
 780 {
 781         if (ISP_PCMD(ccb)) {
 782 #ifdef  ISP_TARGET_MODE
 783                 PISP_PCMD(ccb)->datalen = 0;
 784                 PISP_PCMD(ccb)->totslen = 0;
 785                 PISP_PCMD(ccb)->cumslen = 0;
 786                 PISP_PCMD(ccb)->crn = 0;
 787 #endif
 788                 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
 789                 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
 790                 ISP_PCMD(ccb) = NULL;
 791         }
 792 }
 793
 794 /*
 795  * Put the target mode functions here, because some are inlines
 796  */
 797 #ifdef  ISP_TARGET_MODE
 798 static ISP_INLINE void isp_tmlock(ispsoftc_t *, const char *);
 799 static ISP_INLINE void isp_tmunlk(ispsoftc_t *);
 800 static ISP_INLINE int is_any_lun_enabled(ispsoftc_t *, int);
 801 static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t);
 802 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
 803 static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t);
 804 static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *);
 805 static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **);
 806 static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t);
 807 static ISP_INLINE atio_private_data_t *isp_find_atpd(ispsoftc_t *, tstate_t *, uint32_t);
 808 static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *);
 809 static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *);
 810 static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t);
 811 static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *);
 812 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
 813 static void destroy_lun_state(ispsoftc_t *, tstate_t *);
 814 static void isp_enable_lun(ispsoftc_t *, union ccb *);
 815 static cam_status isp_enable_deferred_luns(ispsoftc_t *, int);
 816 static cam_status isp_enable_deferred(ispsoftc_t *, int, lun_id_t);
 817 static void isp_disable_lun(ispsoftc_t *, union ccb *);
 818 static int isp_enable_target_mode(ispsoftc_t *, int);
 819 static int isp_disable_target_mode(ispsoftc_t *, int);
 820 static void isp_ledone(ispsoftc_t *, lun_entry_t *);
 821 static timeout_t isp_refire_putback_atio;
 822 static timeout_t isp_refire_notify_ack;
 823 static void isp_complete_ctio(union ccb *);
 824 static void isp_target_putback_atio(union ccb *);
 825 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
 826 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
 827 static void isp_handle_platform_atio(ispsoftc_t *, at_entry_t *);
 828 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
 829 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
 830 static void isp_handle_platform_ctio(ispsoftc_t *, void *);
 831 static void isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *);
 832 static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
 833 static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
 834 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *);
 835 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
 836 static void isp_target_mark_aborted(ispsoftc_t *, union ccb *);
 837 static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t);
 838
 839 static ISP_INLINE void
 840 isp_tmlock(ispsoftc_t *isp, const char *msg)
 841 {
 842         while (isp->isp_osinfo.tmbusy) {
 843                 isp->isp_osinfo.tmwanted = 1;
 844                 mtx_sleep(isp, &isp->isp_lock, PRIBIO, msg, 0);
 845         }
 846         isp->isp_osinfo.tmbusy = 1;
 847 }
 848
 849 static ISP_INLINE void
 850 isp_tmunlk(ispsoftc_t *isp)
 851 {
 852         isp->isp_osinfo.tmbusy = 0;
 853         if (isp->isp_osinfo.tmwanted) {
 854                 isp->isp_osinfo.tmwanted = 0;
 855                 wakeup(isp);
 856         }
 857 }
 858
 859 static ISP_INLINE int
 860 is_any_lun_enabled(ispsoftc_t *isp, int bus)
 861 {
 862         struct tslist *lhp;
 863         int i;
 864
 865         for (i = 0; i < LUN_HASH_SIZE; i++) {
 866                 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
 867                 if (SLIST_FIRST(lhp))
 868                         return (1);
 869         }
 870         return (0);
 871 }
 872
 873 static ISP_INLINE int
 874 is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun)
 875 {
 876         tstate_t *tptr;
 877         struct tslist *lhp;
 878
 879         ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
 880         SLIST_FOREACH(tptr, lhp, next) {
 881                 if (xpt_path_lun_id(tptr->owner) == lun) {
 882                         return (1);
 883                 }
 884         }
 885         return (0);
 886 }
 887
 888 static void
 889 dump_tstates(ispsoftc_t *isp, int bus)
 890 {
 891         int i, j;
 892         struct tslist *lhp;
 893         tstate_t *tptr = NULL;
 894
 895         if (bus >= isp->isp_nchan) {
 896                 return;
 897         }
 898         for (i = 0; i < LUN_HASH_SIZE; i++) {
 899                 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
 900                 j = 0;
 901                 SLIST_FOREACH(tptr, lhp, next) {
 902                         xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count);
 903                         j++;
 904                 }
 905         }
 906 }
 907
 908 static ISP_INLINE tstate_t *
 909 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
 910 {
 911         tstate_t *tptr = NULL;
 912         struct tslist *lhp;
 913         int i;
 914
 915         if (bus < isp->isp_nchan) {
 916                 for (i = 0; i < LUN_HASH_SIZE; i++) {
 917                         ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
 918                         SLIST_FOREACH(tptr, lhp, next) {
 919                                 if (xpt_path_lun_id(tptr->owner) == lun) {
 920                                         tptr->hold++;
 921                                         return (tptr);
 922                                 }
 923                         }
 924                 }
 925         }
 926         return (NULL);
 927 }
 928
 929 static ISP_INLINE tstate_t *
 930 get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval)
 931 {
 932         tstate_t *tptr = NULL;
 933         atio_private_data_t *atp;
 934         struct tslist *lhp;
 935         int i;
 936
 937         if (bus < isp->isp_nchan && tagval != 0) {
 938                 for (i = 0; i < LUN_HASH_SIZE; i++) {
 939                         ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
 940                         SLIST_FOREACH(tptr, lhp, next) {
 941                                 atp = isp_find_atpd(isp, tptr, tagval);
 942                                 if (atp) {
 943                                         tptr->hold++;
 944                                         return (tptr);
 945                                 }
 946                         }
 947                 }
 948         }
 949         return (NULL);
 950 }
 951
 952 static ISP_INLINE inot_private_data_t *
 953 get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt)
 954 {
 955         inot_private_data_t *ntp;
 956         tstate_t *tptr;
 957         struct tslist *lhp;
 958         int bus, i;
 959
 960         for (bus = 0; bus < isp->isp_nchan; bus++) {
 961                 for (i = 0; i < LUN_HASH_SIZE; i++) {
 962                         ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
 963                         SLIST_FOREACH(tptr, lhp, next) {
 964                                 ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id);
 965                                 if (ntp) {
 966                                         *rslt = tptr;
 967                                         tptr->hold++;
 968                                         return (ntp);
 969                                 }
 970                         }
 971                 }
 972         }
 973         return (NULL);
 974 }
 975
 976 static ISP_INLINE void
 977 rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr)
 978 {
 979         KASSERT((tptr->hold), ("tptr not held"));
 980         tptr->hold--;
 981 }
 982
 983 static void
 984 isp_tmcmd_restart(ispsoftc_t *isp)
 985 {
 986         inot_private_data_t *ntp;
 987         inot_private_data_t *restart_queue;
 988         tstate_t *tptr;
 989         union ccb *ccb;
 990         struct tslist *lhp;
 991         int bus, i;
 992
 993         for (bus = 0; bus < isp->isp_nchan; bus++) {
 994                 for (i = 0; i < LUN_HASH_SIZE; i++) {
 995                         ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
 996                         SLIST_FOREACH(tptr, lhp, next) {
 997                                 if ((restart_queue = tptr->restart_queue) != NULL)
 998                                         tptr->restart_queue = NULL;
 999                                 while (restart_queue) {
1000                                         ntp = restart_queue;
1001                                         restart_queue = ntp->rd.nt.nt_hba;
1002                                         if (IS_24XX(isp)) {
1003                                                 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
1004                                                 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
1005                                         } else {
1006                                                 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
1007                                                 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
1008                                         }
1009                                         isp_put_ntpd(isp, tptr, ntp);
1010                                         if (tptr->restart_queue && restart_queue != NULL) {
1011                                                 ntp = tptr->restart_queue;
1012                                                 tptr->restart_queue = restart_queue;
1013                                                 while (restart_queue->rd.nt.nt_hba) {
1014                                                         restart_queue = restart_queue->rd.nt.nt_hba;
1015                                                 }
1016                                                 restart_queue->rd.nt.nt_hba = ntp;
1017                                                 break;
1018                                         }
1019                                 }
1020                                 /*
1021                                  * We only need to do this once per tptr
1022                                  */
1023                                 if (!TAILQ_EMPTY(&tptr->waitq)) {
1024                                         ccb = (union ccb *)TAILQ_LAST(&tptr->waitq, isp_ccbq);
1025                                         TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1026                                         isp_target_start_ctio(isp, ccb, FROM_TIMER);
1027                                 }
1028                         }
1029                 }
1030         }
1031 }
1032
1033 static ISP_INLINE atio_private_data_t *
1034 isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag)
1035 {
1036         atio_private_data_t *atp;
1037
1038         atp = LIST_FIRST(&tptr->atfree);
1039         if (atp) {
1040                 LIST_REMOVE(atp, next);
1041                 atp->tag = tag;
1042                 LIST_INSERT_HEAD(&tptr->atused[ATPDPHASH(tag)], atp, next);
1043         }
1044         return (atp);
1045 }
1046
1047 static ISP_INLINE atio_private_data_t *
1048 isp_find_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag)
1049 {
1050         atio_private_data_t *atp;
1051
1052         LIST_FOREACH(atp, &tptr->atused[ATPDPHASH(tag)], next) {
1053                 if (atp->tag == tag)
1054                         return (atp);
1055         }
1056         return (NULL);
1057 }
1058
1059 static ISP_INLINE void
1060 isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
1061 {
1062         if (atp->ests) {
1063                 isp_put_ecmd(isp, atp->ests);
1064         }
1065         LIST_REMOVE(atp, next);
1066         memset(atp, 0, sizeof (*atp));
1067         LIST_INSERT_HEAD(&tptr->atfree, atp, next);
1068 }
1069
1070 static void
1071 isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr)
1072 {
1073         atio_private_data_t *atp;
1074         const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
1075
1076         for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
1077                 xpt_print(tptr->owner, "ATP: [0x%x] origdlen %u bytes_xfrd %u lun %u nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s\n",
1078                     atp->tag, atp->orig_datalen, atp->bytes_xfered, atp->lun, atp->nphdl, atp->sid, atp->portid, atp->oxid, states[atp->state & 0x7]);
1079         }
1080 }
1081
1082
1083 static ISP_INLINE inot_private_data_t *
1084 isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr)
1085 {
1086         inot_private_data_t *ntp;
1087         ntp = tptr->ntfree;
1088         if (ntp) {
1089                 tptr->ntfree = ntp->next;
1090         }
1091         return (ntp);
1092 }
1093
1094 static ISP_INLINE inot_private_data_t *
1095 isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id)
1096 {
1097         inot_private_data_t *ntp;
1098         for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) {
1099                 if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) {
1100                         return (ntp);
1101                 }
1102         }
1103         return (NULL);
1104 }
1105
1106 static ISP_INLINE void
1107 isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp)
1108 {
1109         ntp->rd.tag_id = ntp->rd.seq_id = 0;
1110         ntp->next = tptr->ntfree;
1111         tptr->ntfree = ntp;
1112 }
1113
1114 static cam_status
1115 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
1116 {
1117         cam_status status;
1118         lun_id_t lun;
1119         struct tslist *lhp;
1120         tstate_t *tptr;
1121         int i;
1122
1123         lun = xpt_path_lun_id(path);
1124         if (lun != CAM_LUN_WILDCARD) {
1125                 if (lun >= ISP_MAX_LUNS(isp)) {
1126                         return (CAM_LUN_INVALID);
1127                 }
1128         }
1129         if (is_lun_enabled(isp, bus, lun)) {
1130                 return (CAM_LUN_ALRDY_ENA);
1131         }
1132         tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
1133         if (tptr == NULL) {
1134                 return (CAM_RESRC_UNAVAIL);
1135         }
1136         status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun);
1137         if (status != CAM_REQ_CMP) {
1138                 free(tptr, M_DEVBUF);
1139                 return (status);
1140         }
1141         SLIST_INIT(&tptr->atios);
1142         SLIST_INIT(&tptr->inots);
1143         TAILQ_INIT(&tptr->waitq);
1144         LIST_INIT(&tptr->atfree);
1145         for (i = ATPDPSIZE-1; i >= 0; i--)
1146                 LIST_INSERT_HEAD(&tptr->atfree, &tptr->atpool[i], next);
1147         for (i = 0; i < ATPDPHASHSIZE; i++)
1148                 LIST_INIT(&tptr->atused[i]);
1149         for (i = 0; i < ATPDPSIZE-1; i++)
1150                 tptr->ntpool[i].next = &tptr->ntpool[i+1];
1151         tptr->ntfree = tptr->ntpool;
1152         tptr->hold = 1;
1153         ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(xpt_path_lun_id(tptr->owner))], lhp);
1154         SLIST_INSERT_HEAD(lhp, tptr, next);
1155         *rslt = tptr;
1156         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
1157         return (CAM_REQ_CMP);
1158 }
1159
1160 static ISP_INLINE void
1161 destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr)
1162 {
1163         union ccb *ccb;
1164         struct tslist *lhp;
1165
1166         KASSERT((tptr->hold != 0), ("tptr is not held"));
1167         KASSERT((tptr->hold == 1), ("tptr still held (%d)", tptr->hold));
1168         do {
1169                 ccb = (union ccb *)SLIST_FIRST(&tptr->atios);
1170                 if (ccb) {
1171                         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1172                         ccb->ccb_h.status = CAM_REQ_ABORTED;
1173                         xpt_done(ccb);
1174                 }
1175         } while (ccb);
1176         do {
1177                 ccb = (union ccb *)SLIST_FIRST(&tptr->inots);
1178                 if (ccb) {
1179                         SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
1180                         ccb->ccb_h.status = CAM_REQ_ABORTED;
1181                         xpt_done(ccb);
1182                 }
1183         } while (ccb);
1184         ISP_GET_PC_ADDR(isp, cam_sim_bus(xpt_path_sim(tptr->owner)), lun_hash[LUN_HASH_FUNC(xpt_path_lun_id(tptr->owner))], lhp);
1185         SLIST_REMOVE(lhp, tptr, tstate, next);
1186         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "destroyed tstate\n");
1187         xpt_free_path(tptr->owner);
1188         free(tptr, M_DEVBUF);
1189 }
1190
1191 /*
1192  * Enable a lun.
1193  */
1194 static void
1195 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1196 {
1197         tstate_t *tptr = NULL;
1198         int bus, tm_enabled, target_role;
1199         target_id_t target;
1200         lun_id_t lun;
1201
1202
1203         /*
1204          * We only support either a wildcard target/lun or a target ID of zero and a non-wildcard lun
1205          */
1206         bus = XS_CHANNEL(ccb);
1207         target = ccb->ccb_h.target_id;
1208         lun = ccb->ccb_h.target_lun;
1209         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "enabling lun %u\n", lun);
1210         if (target != CAM_TARGET_WILDCARD && target != 0) {
1211                 ccb->ccb_h.status = CAM_TID_INVALID;
1212                 xpt_done(ccb);
1213                 return;
1214         }
1215         if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1216                 ccb->ccb_h.status = CAM_LUN_INVALID;
1217                 xpt_done(ccb);
1218                 return;
1219         }
1220
1221         if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1222                 ccb->ccb_h.status = CAM_LUN_INVALID;
1223                 xpt_done(ccb);
1224                 return;
1225         }
1226         if (isp->isp_dblev & ISP_LOGTDEBUG0) {
1227                 xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus);
1228         }
1229
1230         /*
1231          * Wait until we're not busy with the lun enables subsystem
1232          */
1233         isp_tmlock(isp, "isp_enable_lun");
1234
1235         /*
1236          * This is as a good a place as any to check f/w capabilities.
1237          */
1238
1239         if (IS_FC(isp)) {
1240                 if (ISP_CAP_TMODE(isp) == 0) {
1241                         xpt_print(ccb->ccb_h.path, "firmware does not support target mode\n");
1242                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1243                         goto done;
1244                 }
1245                 /*
1246                  * We *could* handle non-SCCLUN f/w, but we'd have to
1247                  * dork with our already fragile enable/disable code.
1248                  */
1249                 if (ISP_CAP_SCCFW(isp) == 0) {
1250                         xpt_print(ccb->ccb_h.path, "firmware not SCCLUN capable\n");
1251                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1252                         goto done;
1253                 }
1254
1255                 target_role = (FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1256
1257         } else {
1258                 target_role = (SDPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1259         }
1260
1261         /*
1262          * Create the state pointer.
1263          * It should not already exist.
1264          */
1265         tptr = get_lun_statep(isp, bus, lun);
1266         if (tptr) {
1267                 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1268                 goto done;
1269         }
1270         ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1271         if (ccb->ccb_h.status != CAM_REQ_CMP) {
1272                 goto done;
1273         }
1274
1275         /*
1276          * We have a tricky maneuver to perform here.
1277          *
1278          * If target mode isn't already enabled here,
1279          * *and* our current role includes target mode,
1280          * we enable target mode here.
1281          *
1282          */
1283         ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1284         if (tm_enabled == 0 && target_role != 0) {
1285                 if (isp_enable_target_mode(isp, bus)) {
1286                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1287                         destroy_lun_state(isp, tptr);
1288                         tptr = NULL;
1289                         goto done;
1290                 }
1291                 tm_enabled = 1;
1292         }
1293
1294         /*
1295          * Now check to see whether this bus is in target mode already.
1296          *
1297          * If not, a later role change into target mode will finish the job.
1298          */
1299         if (tm_enabled == 0) {
1300                 ISP_SET_PC(isp, bus, tm_enable_defer, 1);
1301                 ccb->ccb_h.status = CAM_REQ_CMP;
1302                 xpt_print(ccb->ccb_h.path, "Target Mode not enabled yet- lun enable deferred\n");
1303                 goto done1;
1304         }
1305
1306         /*
1307          * Enable the lun.
1308          */
1309         ccb->ccb_h.status = isp_enable_deferred(isp, bus, lun);
1310
1311 done:
1312         if (ccb->ccb_h.status != CAM_REQ_CMP)  {
1313                 if (tptr) {
1314                         destroy_lun_state(isp, tptr);
1315                         tptr = NULL;
1316                 }
1317         } else {
1318                 tptr->enabled = 1;
1319         }
1320 done1:
1321         if (tptr) {
1322                 rls_lun_statep(isp, tptr);
1323         }
1324
1325         /*
1326          * And we're outta here....
1327          */
1328         isp_tmunlk(isp);
1329         xpt_done(ccb);
1330 }
1331
1332 static cam_status
1333 isp_enable_deferred_luns(ispsoftc_t *isp, int bus)
1334 {
1335         tstate_t *tptr = NULL;
1336         struct tslist *lhp;
1337         int i, n;
1338
1339
1340         ISP_GET_PC(isp, bus, tm_enabled, i);
1341         if (i == 1) {
1342                 return (CAM_REQ_CMP);
1343         }
1344         ISP_GET_PC(isp, bus, tm_enable_defer, i);
1345         if (i == 0) {
1346                 return (CAM_REQ_CMP);
1347         }
1348         /*
1349          * If this succeeds, it will set tm_enable
1350          */
1351         if (isp_enable_target_mode(isp, bus)) {
1352                 return (CAM_REQ_CMP_ERR);
1353         }
1354         isp_tmlock(isp, "isp_enable_deferred_luns");
1355         for (n = i = 0; i < LUN_HASH_SIZE; i++) {
1356                 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
1357                 SLIST_FOREACH(tptr, lhp, next) {
1358                         tptr->hold++;
1359                         if (tptr->enabled == 0) {
1360                                 if (isp_enable_deferred(isp, bus, xpt_path_lun_id(tptr->owner)) == CAM_REQ_CMP) {
1361                                         tptr->enabled = 1;
1362                                         n++;
1363                                 }
1364                         } else {
1365                                 n++;
1366                         }
1367                         tptr->hold--;
1368                 }
1369         }
1370         isp_tmunlk(isp);
1371         if (n == 0) {
1372                 return (CAM_REQ_CMP_ERR);
1373         }
1374         ISP_SET_PC(isp, bus, tm_enable_defer, 0);
1375         return (CAM_REQ_CMP);
1376 }
1377
1378 static cam_status
1379 isp_enable_deferred(ispsoftc_t *isp, int bus, lun_id_t lun)
1380 {
1381         cam_status status;
1382         int luns_already_enabled;
1383
1384         ISP_GET_PC(isp, bus, tm_luns_enabled, luns_already_enabled);
1385         isp_prt(isp, ISP_LOGTINFO, "%s: bus %d lun %u luns_enabled %d", __func__, bus, lun, luns_already_enabled);
1386         if (IS_24XX(isp) || (IS_FC(isp) && luns_already_enabled)) {
1387                 status = CAM_REQ_CMP;
1388         } else {
1389                 int cmd_cnt, not_cnt;
1390
1391                 if (IS_23XX(isp)) {
1392                         cmd_cnt = DFLT_CMND_CNT;
1393                         not_cnt = DFLT_INOT_CNT;
1394                 } else {
1395                         cmd_cnt = 64;
1396                         not_cnt = 8;
1397                 }
1398                 status = CAM_REQ_INPROG;
1399                 isp->isp_osinfo.rptr = &status;
1400                 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun == CAM_LUN_WILDCARD? 0 : lun, cmd_cnt, not_cnt)) {
1401                         status = CAM_RESRC_UNAVAIL;
1402                 } else {
1403                         mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_enable_deferred", 0);
1404                 }
1405                 isp->isp_osinfo.rptr = NULL;
1406         }
1407         if (status == CAM_REQ_CMP) {
1408                 ISP_SET_PC(isp, bus, tm_luns_enabled, 1);
1409                 isp_prt(isp, ISP_LOGCONFIG|ISP_LOGTINFO, "bus %d lun %u now enabled for target mode", bus, lun);
1410         }
1411         return (status);
1412 }
1413
1414 static void
1415 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1416 {
1417         tstate_t *tptr = NULL;
1418         int bus;
1419         cam_status status;
1420         target_id_t target;
1421         lun_id_t lun;
1422
1423         bus = XS_CHANNEL(ccb);
1424         target = ccb->ccb_h.target_id;
1425         lun = ccb->ccb_h.target_lun;
1426         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "disabling lun %u\n", lun);
1427         if (target != CAM_TARGET_WILDCARD && target != 0) {
1428                 ccb->ccb_h.status = CAM_TID_INVALID;
1429                 xpt_done(ccb);
1430                 return;
1431         }
1432
1433         if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1434                 ccb->ccb_h.status = CAM_LUN_INVALID;
1435                 xpt_done(ccb);
1436                 return;
1437         }
1438
1439         if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1440                 ccb->ccb_h.status = CAM_LUN_INVALID;
1441                 xpt_done(ccb);
1442                 return;
1443         }
1444
1445         /*
1446          * See if we're busy disabling a lun now.
1447          */
1448         isp_tmlock(isp, "isp_disable_lun");
1449         status = CAM_REQ_INPROG;
1450
1451         /*
1452          * Find the state pointer.
1453          */
1454         if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1455                 status = CAM_PATH_INVALID;
1456                 goto done;
1457         }
1458
1459         /*
1460          * If we're a 24XX card, we're done.
1461          */
1462         if (IS_24XX(isp)) {
1463                 status = CAM_REQ_CMP;
1464                 goto done;
1465         }
1466
1467         /*
1468          * For SCC FW, we only deal with lun zero.
1469          */
1470         if (IS_FC(isp) && lun > 0) {
1471                 status = CAM_REQ_CMP;
1472                 goto done;
1473         }
1474         isp->isp_osinfo.rptr = &status;
1475         if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) {
1476                 status = CAM_RESRC_UNAVAIL;
1477         } else {
1478                 mtx_sleep(ccb, &isp->isp_lock, PRIBIO, "isp_disable_lun", 0);
1479         }
1480         isp->isp_osinfo.rptr = NULL;
1481 done:
1482         if (status == CAM_REQ_CMP) {
1483                 tptr->enabled = 0;
1484                 /*
1485                  * If we have no more luns enabled for this bus,
1486                  * delete all tracked wwns for it (if we are FC),
1487                  * and disable target mode.
1488                  */
1489                 if (is_any_lun_enabled(isp, bus) == 0) {
1490                         isp_del_all_wwn_entries(isp, bus);
1491                         if (isp_disable_target_mode(isp, bus)) {
1492                                 status = CAM_REQ_CMP_ERR;
1493                         }
1494                 }
1495         }
1496         ccb->ccb_h.status = status;
1497         if (status == CAM_REQ_CMP) {
1498                 destroy_lun_state(isp, tptr);
1499                 xpt_print(ccb->ccb_h.path, "lun now disabled for target mode\n");
1500         } else {
1501                 if (tptr)
1502                         rls_lun_statep(isp, tptr);
1503         }
1504         isp_tmunlk(isp);
1505         xpt_done(ccb);
1506 }
1507
1508 static int
1509 isp_enable_target_mode(ispsoftc_t *isp, int bus)
1510 {
1511         int tm_enabled;
1512
1513         ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1514         if (tm_enabled != 0) {
1515                 return (0);
1516         }
1517         if (IS_SCSI(isp)) {
1518                 mbreg_t mbs;
1519                 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1520                 mbs.param[0] = MBOX_ENABLE_TARGET_MODE;
1521                 mbs.param[1] = ENABLE_TARGET_FLAG|ENABLE_TQING_FLAG;
1522                 mbs.param[2] = bus << 7;
1523                 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1524                         isp_prt(isp, ISP_LOGERR, "Unable to enable Target Role on Bus %d", bus);
1525                         return (EIO);
1526                 }
1527         }
1528         ISP_SET_PC(isp, bus, tm_enabled, 1);
1529         isp_prt(isp, ISP_LOGINFO, "Target Role enabled on Bus %d", bus);
1530         return (0);
1531 }
1532
1533 static int
1534 isp_disable_target_mode(ispsoftc_t *isp, int bus)
1535 {
1536         int tm_enabled;
1537
1538         ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1539         if (tm_enabled == 0) {
1540                 return (0);
1541         }
1542         if (IS_SCSI(isp)) {
1543                 mbreg_t mbs;
1544                 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1545                 mbs.param[2] = bus << 7;
1546                 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1547                         isp_prt(isp, ISP_LOGERR, "Unable to disable Target Role on Bus %d", bus);
1548                         return (EIO);
1549                 }
1550         }
1551         ISP_SET_PC(isp, bus, tm_enabled, 0);
1552         isp_prt(isp, ISP_LOGINFO, "Target Role disabled on Bus %d", bus);
1553         return (0);
1554 }
1555
1556 static void
1557 isp_ledone(ispsoftc_t *isp, lun_entry_t *lep)
1558 {
1559         uint32_t *rptr;
1560
1561         rptr = isp->isp_osinfo.rptr;
1562         if (lep->le_status != LUN_OK) {
1563                 isp_prt(isp, ISP_LOGERR, "ENABLE/MODIFY LUN returned 0x%x", lep->le_status);
1564                 if (rptr) {
1565                         *rptr = CAM_REQ_CMP_ERR;
1566                         wakeup_one(rptr);
1567                 }
1568         } else {
1569                 if (rptr) {
1570                         *rptr = CAM_REQ_CMP;
1571                         wakeup_one(rptr);
1572                 }
1573         }
1574 }
1575
1576 static void
1577 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1578 {
1579         int fctape, sendstatus, resid;
1580         tstate_t *tptr;
1581         fcparam *fcp;
1582         atio_private_data_t *atp;
1583         struct ccb_scsiio *cso;
1584         uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1585         uint8_t local[QENTRY_LEN];
1586
1587         tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb));
1588         if (tptr == NULL) {
1589                 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
1590                 if (tptr == NULL) {
1591                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find tstate pointer", __func__, ccb->csio.tag_id);
1592                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1593                         xpt_done(ccb);
1594                         return;
1595                 }
1596         }
1597         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,
1598             (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1599
1600         switch (how) {
1601         case FROM_TIMER:
1602         case FROM_CAM:
1603                 /*
1604                  * Insert at the tail of the list, if any, waiting CTIO CCBs
1605                  */
1606                 TAILQ_INSERT_TAIL(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1607                 break;
1608         case FROM_SRR:
1609         case FROM_CTIO_DONE:
1610                 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1611                 break;
1612         }
1613
1614         while (TAILQ_FIRST(&tptr->waitq) != NULL) {
1615                 ccb = (union ccb *) TAILQ_FIRST(&tptr->waitq);
1616                 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1617
1618                 cso = &ccb->csio;
1619                 xfrlen = cso->dxfer_len;
1620                 if (xfrlen == 0) {
1621                         if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1622                                 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1623                                 ccb->ccb_h.status = CAM_REQ_INVALID;
1624                                 xpt_done(ccb);
1625                                 continue;
1626                         }
1627                 }
1628
1629                 atp = isp_find_atpd(isp, tptr, cso->tag_id);
1630                 if (atp == NULL) {
1631                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1632                         isp_dump_atpd(isp, tptr);
1633                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1634                         xpt_done(ccb);
1635                         continue;
1636                 }
1637
1638                 /*
1639                  * Is this command a dead duck?
1640                  */
1641                 if (atp->dead) {
1642                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1643                         ccb->ccb_h.status = CAM_REQ_ABORTED;
1644                         xpt_done(ccb);
1645                         continue;
1646                 }
1647
1648                 /*
1649                  * Check to make sure we're still in target mode.
1650                  */
1651                 fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1652                 if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1653                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1654                         ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1655                         xpt_done(ccb);
1656                         continue;
1657                 }
1658
1659                 /*
1660                  * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1661                  * could be split into two CTIOs to split data and status).
1662                  */
1663                 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1664                         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);
1665                         TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1666                         break;
1667                 }
1668
1669                 /*
1670                  * Does the initiator expect FC-Tape style responses?
1671                  */
1672                 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1673                         fctape = 1;
1674                 } else {
1675                         fctape = 0;
1676                 }
1677
1678                 /*
1679                  * If we already did the data xfer portion of a CTIO that sends data
1680                  * and status, don't do it again and do the status portion now.
1681                  */
1682                 if (atp->sendst) {
1683                         isp_prt(isp, ISP_LOGTINFO, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1684                             cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1685                         xfrlen = 0;     /* we already did the data transfer */
1686                         atp->sendst = 0;
1687                 }
1688                 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1689                         sendstatus = 1;
1690                 } else {
1691                         sendstatus = 0;
1692                 }
1693
1694                 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1695                         KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1696                         /*
1697                          * Sense length is not the entire sense data structure size. Periph
1698                          * drivers don't seem to be setting sense_len to reflect the actual
1699                          * size. We'll peek inside to get the right amount.
1700                          */
1701                         sense_length = cso->sense_len;
1702
1703                         /*
1704                          * This 'cannot' happen
1705                          */
1706                         if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1707                                 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1708                         }
1709                 } else {
1710                         sense_length = 0;
1711                 }
1712
1713                 memset(local, 0, QENTRY_LEN);
1714
1715                 /*
1716                  * Check for overflow
1717                  */
1718                 tmp = atp->bytes_xfered + atp->bytes_in_transit + xfrlen;
1719                 if (tmp > atp->orig_datalen) {
1720                         isp_prt(isp, ISP_LOGERR, "%s: [0x%x] data overflow by %u bytes", __func__, cso->tag_id, tmp - atp->orig_datalen);
1721                         ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1722                         xpt_done(ccb);
1723                         continue;
1724                 }
1725
1726                 if (IS_24XX(isp)) {
1727                         ct7_entry_t *cto = (ct7_entry_t *) local;
1728
1729                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1730                         cto->ct_header.rqs_entry_count = 1;
1731                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1732                         ATPD_SET_SEQNO(cto, atp);
1733                         cto->ct_nphdl = atp->nphdl;
1734                         cto->ct_rxid = atp->tag;
1735                         cto->ct_iid_lo = atp->portid;
1736                         cto->ct_iid_hi = atp->portid >> 16;
1737                         cto->ct_oxid = atp->oxid;
1738                         cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1739                         cto->ct_timeout = 120;
1740                         cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1741
1742                         /*
1743                          * Mode 1, status, no data. Only possible when we are sending status, have
1744                          * no data to transfer, and any sense data can fit into a ct7_entry_t.
1745                          *
1746                          * Mode 2, status, no data. We have to use this in the case that
1747                          * the sense data won't fit into a ct7_entry_t.
1748                          *
1749                          */
1750                         if (sendstatus && xfrlen == 0) {
1751                                 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1752                                 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1753                                 if (sense_length <= MAXRESPLEN_24XX) {
1754                                         if (resid < 0) {
1755                                                 cto->ct_resid = -resid;
1756                                         } else if (resid > 0) {
1757                                                 cto->ct_resid = resid;
1758                                         }
1759                                         cto->ct_flags |= CT7_FLAG_MODE1;
1760                                         cto->ct_scsi_status = cso->scsi_status;
1761                                         if (resid < 0) {
1762                                                 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1763                                         } else if (resid > 0) {
1764                                                 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1765                                         }
1766                                         if (fctape) {
1767                                                 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1768                                         }
1769                                         if (sense_length) {
1770                                                 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1771                                                 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1772                                                 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1773                                         }
1774                                 } else {
1775                                         bus_addr_t addr;
1776                                         char buf[XCMD_SIZE];
1777                                         fcp_rsp_iu_t *rp;
1778
1779                                         if (atp->ests == NULL) {
1780                                                 atp->ests = isp_get_ecmd(isp);
1781                                                 if (atp->ests == NULL) {
1782                                                         TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1783                                                         break;
1784                                                 }
1785                                         }
1786                                         memset(buf, 0, sizeof (buf));
1787                                         rp = (fcp_rsp_iu_t *)buf;
1788                                         if (fctape) {
1789                                                 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1790                                                 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1791                                         }
1792                                         cto->ct_flags |= CT7_FLAG_MODE2;
1793                                         rp->fcp_rsp_scsi_status = cso->scsi_status;
1794                                         if (resid < 0) {
1795                                                 rp->fcp_rsp_resid = -resid;
1796                                                 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1797                                         } else if (resid > 0) {
1798                                                 rp->fcp_rsp_resid = resid;
1799                                                 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1800                                         }
1801                                         if (sense_length) {
1802                                                 rp->fcp_rsp_snslen = sense_length;
1803                                                 cto->ct_senselen = sense_length;
1804                                                 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1805                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1806                                                 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1807                                         } else {
1808                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1809                                         }
1810                                         if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1811                                                 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1812                                         }
1813                                         addr = isp->isp_osinfo.ecmd_dma;
1814                                         addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1815                                         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,
1816                                             (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1817                                         cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1818                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1819                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1820                                         cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1821                                 }
1822                                 if (sense_length) {
1823                                         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__,
1824                                             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,
1825                                             cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1826                                 } else {
1827                                         isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1828                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1829                                 }
1830                                 atp->state = ATPD_STATE_LAST_CTIO;
1831                         }
1832
1833                         /*
1834                          * Mode 0 data transfers, *possibly* with status.
1835                          */
1836                         if (xfrlen != 0) {
1837                                 cto->ct_flags |= CT7_FLAG_MODE0;
1838                                 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1839                                         cto->ct_flags |= CT7_DATA_IN;
1840                                 } else {
1841                                         cto->ct_flags |= CT7_DATA_OUT;
1842                                 }
1843
1844                                 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1845                                 cto->rsp.m0.ct_xfrlen = xfrlen;
1846
1847 #ifdef  DEBUG
1848                                 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1849                                         isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1850                                         ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1851                                         cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1852                                 }
1853 #endif
1854                                 if (sendstatus) {
1855                                         resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1856                                         if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1857                                                 cto->ct_flags |= CT7_SENDSTATUS;
1858                                                 atp->state = ATPD_STATE_LAST_CTIO;
1859                                                 if (fctape) {
1860                                                         cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1861                                                 }
1862                                         } else {
1863                                                 atp->sendst = 1;        /* send status later */
1864                                                 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1865                                                 atp->state = ATPD_STATE_CTIO;
1866                                         }
1867                                 } else {
1868                                         atp->state = ATPD_STATE_CTIO;
1869                                 }
1870                                 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__,
1871                                     cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1872                         }
1873                 } else if (IS_FC(isp)) {
1874                         ct2_entry_t *cto = (ct2_entry_t *) local;
1875
1876                         if (isp->isp_osinfo.sixtyfourbit)
1877                                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3;
1878                         else
1879                                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1880                         cto->ct_header.rqs_entry_count = 1;
1881                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1882                         ATPD_SET_SEQNO(cto, atp);
1883                         if (ISP_CAP_2KLOGIN(isp) == 0) {
1884                                 ((ct2e_entry_t *)cto)->ct_iid = cso->init_id;
1885                         } else {
1886                                 cto->ct_iid = cso->init_id;
1887                                 if (ISP_CAP_SCCFW(isp) == 0) {
1888                                         cto->ct_lun = ccb->ccb_h.target_lun;
1889                                 }
1890                         }
1891                         cto->ct_timeout = 10;
1892                         cto->ct_rxid = cso->tag_id;
1893
1894                         /*
1895                          * Mode 1, status, no data. Only possible when we are sending status, have
1896                          * no data to transfer, and the sense length can fit in the ct7_entry.
1897                          *
1898                          * Mode 2, status, no data. We have to use this in the case the response
1899                          * length won't fit into a ct2_entry_t.
1900                          *
1901                          * We'll fill out this structure with information as if this were a
1902                          * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1903                          * needed based upon this.
1904                          */
1905                         if (sendstatus && xfrlen == 0) {
1906                                 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1907                                 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1908                                 if (sense_length <= MAXRESPLEN) {
1909                                         if (resid < 0) {
1910                                                 cto->ct_resid = -resid;
1911                                         } else if (resid > 0) {
1912                                                 cto->ct_resid = resid;
1913                                         }
1914                                         cto->ct_flags |= CT2_FLAG_MODE1;
1915                                         cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1916                                         if (resid < 0) {
1917                                                 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1918                                         } else if (resid > 0) {
1919                                                 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1920                                         }
1921                                         if (fctape) {
1922                                                 cto->ct_flags |= CT2_CONFIRM;
1923                                         }
1924                                         if (sense_length) {
1925                                                 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1926                                                 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1927                                                 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1928                                         }
1929                                 } else {
1930                                         bus_addr_t addr;
1931                                         char buf[XCMD_SIZE];
1932                                         fcp_rsp_iu_t *rp;
1933
1934                                         if (atp->ests == NULL) {
1935                                                 atp->ests = isp_get_ecmd(isp);
1936                                                 if (atp->ests == NULL) {
1937                                                         TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1938                                                         break;
1939                                                 }
1940                                         }
1941                                         memset(buf, 0, sizeof (buf));
1942                                         rp = (fcp_rsp_iu_t *)buf;
1943                                         if (fctape) {
1944                                                 cto->ct_flags |= CT2_CONFIRM;
1945                                                 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1946                                         }
1947                                         cto->ct_flags |= CT2_FLAG_MODE2;
1948                                         rp->fcp_rsp_scsi_status = cso->scsi_status;
1949                                         if (resid < 0) {
1950                                                 rp->fcp_rsp_resid = -resid;
1951                                                 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1952                                         } else if (resid > 0) {
1953                                                 rp->fcp_rsp_resid = resid;
1954                                                 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1955                                         }
1956                                         if (sense_length) {
1957                                                 rp->fcp_rsp_snslen = sense_length;
1958                                                 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1959                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1960                                                 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1961                                         } else {
1962                                                 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1963                                         }
1964                                         if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1965                                                 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1966                                         }
1967                                         addr = isp->isp_osinfo.ecmd_dma;
1968                                         addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1969                                         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,
1970                                             (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1971                                         cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1972                                         if (isp->isp_osinfo.sixtyfourbit) {
1973                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr);
1974                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr);
1975                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1976                                         } else {
1977                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1978                                                 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1979                                         }
1980                                 }
1981                                 if (sense_length) {
1982                                         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__,
1983                                             cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1984                                             cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1985                                 } else {
1986                                         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,
1987                                             ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1988                                 }
1989                                 atp->state = ATPD_STATE_LAST_CTIO;
1990                         }
1991
1992                         if (xfrlen != 0) {
1993                                 cto->ct_flags |= CT2_FLAG_MODE0;
1994                                 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1995                                         cto->ct_flags |= CT2_DATA_IN;
1996                                 } else {
1997                                         cto->ct_flags |= CT2_DATA_OUT;
1998                                 }
1999
2000                                 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
2001                                 cto->rsp.m0.ct_xfrlen = xfrlen;
2002
2003                                 if (sendstatus) {
2004                                         resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
2005                                         if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
2006                                                 cto->ct_flags |= CT2_SENDSTATUS;
2007                                                 atp->state = ATPD_STATE_LAST_CTIO;
2008                                                 if (fctape) {
2009                                                         cto->ct_flags |= CT2_CONFIRM;
2010                                                 }
2011                                         } else {
2012                                                 atp->sendst = 1;        /* send status later */
2013                                                 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
2014                                                 atp->state = ATPD_STATE_CTIO;
2015                                         }
2016                                 } else {
2017                                         atp->state = ATPD_STATE_CTIO;
2018                                 }
2019                         }
2020                         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,
2021                             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);
2022                 } else {
2023                         ct_entry_t *cto = (ct_entry_t *) local;
2024
2025                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO;
2026                         cto->ct_header.rqs_entry_count = 1;
2027                         cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
2028                         ATPD_SET_SEQNO(cto, atp);
2029                         cto->ct_iid = cso->init_id;
2030                         cto->ct_iid |= XS_CHANNEL(ccb) << 7;
2031                         cto->ct_tgt = ccb->ccb_h.target_id;
2032                         cto->ct_lun = ccb->ccb_h.target_lun;
2033                         cto->ct_fwhandle = cso->tag_id;
2034                         if (atp->rxid) {
2035                                 cto->ct_tag_val = atp->rxid;
2036                                 cto->ct_flags |= CT_TQAE;
2037                         }
2038                         if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
2039                                 cto->ct_flags |= CT_NODISC;
2040                         }
2041                         if (cso->dxfer_len == 0) {
2042                                 cto->ct_flags |= CT_NO_DATA;
2043                         } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
2044                                 cto->ct_flags |= CT_DATA_IN;
2045                         } else {
2046                                 cto->ct_flags |= CT_DATA_OUT;
2047                         }
2048                         if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
2049                                 cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR;
2050                                 cto->ct_scsi_status = cso->scsi_status;
2051                                 cto->ct_resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit - xfrlen;
2052                                 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d scsi status %x resid %d tag_id %x", __func__,
2053                                     cto->ct_fwhandle, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), cso->scsi_status, cso->resid, cso->tag_id);
2054                         }
2055                         ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
2056                         cto->ct_timeout = 10;
2057                 }
2058
2059                 if (isp_get_pcmd(isp, ccb)) {
2060                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
2061                         TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
2062                         break;
2063                 }
2064                 if (isp_allocate_xs_tgt(isp, ccb, &handle)) {
2065                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
2066                         TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
2067                         isp_free_pcmd(isp, ccb);
2068                         break;
2069                 }
2070                 atp->bytes_in_transit += xfrlen;
2071                 PISP_PCMD(ccb)->datalen = xfrlen;
2072
2073
2074                 /*
2075                  * Call the dma setup routines for this entry (and any subsequent
2076                  * CTIOs) if there's data to move, and then tell the f/w it's got
2077                  * new things to play with. As with isp_start's usage of DMA setup,
2078                  * any swizzling is done in the machine dependent layer. Because
2079                  * of this, we put the request onto the queue area first in native
2080                  * format.
2081                  */
2082
2083                 if (IS_24XX(isp)) {
2084                         ct7_entry_t *cto = (ct7_entry_t *) local;
2085                         cto->ct_syshandle = handle;
2086                 } else if (IS_FC(isp)) {
2087                         ct2_entry_t *cto = (ct2_entry_t *) local;
2088                         cto->ct_syshandle = handle;
2089                 } else {
2090                         ct_entry_t *cto = (ct_entry_t *) local;
2091                         cto->ct_syshandle = handle;
2092                 }
2093
2094                 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
2095                 if (dmaresult != CMD_QUEUED) {
2096                         isp_destroy_tgt_handle(isp, handle);
2097                         isp_free_pcmd(isp, ccb);
2098                         if (dmaresult == CMD_EAGAIN) {
2099                                 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
2100                                 break;
2101                         }
2102                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2103                         xpt_done(ccb);
2104                         continue;
2105                 }
2106                 isp->isp_nactive++;
2107                 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
2108                 if (xfrlen) {
2109                         ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
2110                 } else {
2111                         ccb->ccb_h.spriv_field0 = ~0;
2112                 }
2113                 atp->ctcnt++;
2114                 atp->seqno++;
2115         }
2116         rls_lun_statep(isp, tptr);
2117 }
2118
2119 static void
2120 isp_refire_putback_atio(void *arg)
2121 {
2122         union ccb *ccb = arg;
2123         ispsoftc_t *isp = XS_ISP(ccb);
2124         ISP_LOCK(isp);
2125         isp_target_putback_atio(ccb);
2126         ISP_UNLOCK(isp);
2127 }
2128
2129 static void
2130 isp_refire_notify_ack(void *arg)
2131 {
2132         isp_tna_t *tp  = arg;
2133         ispsoftc_t *isp = tp->isp;
2134         ISP_LOCK(isp);
2135         if (isp_notify_ack(isp, tp->not)) {
2136                 (void) timeout(isp_refire_notify_ack, tp, 5);
2137         } else {
2138                 free(tp, M_DEVBUF);
2139         }
2140         ISP_UNLOCK(isp);
2141 }
2142
2143
2144 static void
2145 isp_target_putback_atio(union ccb *ccb)
2146 {
2147         ispsoftc_t *isp;
2148         struct ccb_scsiio *cso;
2149         void *qe;
2150
2151         isp = XS_ISP(ccb);
2152
2153         qe = isp_getrqentry(isp);
2154         if (qe == NULL) {
2155                 xpt_print(ccb->ccb_h.path, rqo, __func__);
2156                 (void) timeout(isp_refire_putback_atio, ccb, 10);
2157                 return;
2158         }
2159         memset(qe, 0, QENTRY_LEN);
2160         cso = &ccb->csio;
2161         if (IS_FC(isp)) {
2162                 at2_entry_t local, *at = &local;
2163                 ISP_MEMZERO(at, sizeof (at2_entry_t));
2164                 at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
2165                 at->at_header.rqs_entry_count = 1;
2166                 if (ISP_CAP_SCCFW(isp)) {
2167                         at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
2168                 } else {
2169                         at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
2170                 }
2171                 at->at_status = CT_OK;
2172                 at->at_rxid = cso->tag_id;
2173                 at->at_iid = cso->ccb_h.target_id;
2174                 isp_put_atio2(isp, at, qe);
2175         } else {
2176                 at_entry_t local, *at = &local;
2177                 ISP_MEMZERO(at, sizeof (at_entry_t));
2178                 at->at_header.rqs_entry_type = RQSTYPE_ATIO;
2179                 at->at_header.rqs_entry_count = 1;
2180                 at->at_iid = cso->init_id;
2181                 at->at_iid |= XS_CHANNEL(ccb) << 7;
2182                 at->at_tgt = cso->ccb_h.target_id;
2183                 at->at_lun = cso->ccb_h.target_lun;
2184                 at->at_status = CT_OK;
2185                 at->at_tag_val = AT_GET_TAG(cso->tag_id);
2186                 at->at_handle = AT_GET_HANDLE(cso->tag_id);
2187                 isp_put_atio(isp, at, qe);
2188         }
2189         ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe);
2190         ISP_SYNC_REQUEST(isp);
2191         isp_complete_ctio(ccb);
2192 }
2193
2194 static void
2195 isp_complete_ctio(union ccb *ccb)
2196 {
2197         if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
2198                 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2199                 xpt_done(ccb);
2200         }
2201 }
2202
2203 /*
2204  * Handle ATIO stuff that the generic code can't.
2205  * This means handling CDBs.
2206  */
2207
2208 static void
2209 isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep)
2210 {
2211         tstate_t *tptr;
2212         int status, bus;
2213         struct ccb_accept_tio *atiop;
2214         atio_private_data_t *atp;
2215
2216         /*
2217          * The firmware status (except for the QLTM_SVALID bit)
2218          * indicates why this ATIO was sent to us.
2219          *
2220          * If QLTM_SVALID is set, the firmware has recommended Sense Data.
2221          *
2222          * If the DISCONNECTS DISABLED bit is set in the flags field,
2223          * we're still connected on the SCSI bus.
2224          */
2225         status = aep->at_status;
2226         if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) {
2227                 /*
2228                  * Bus Phase Sequence error. We should have sense data
2229                  * suggested by the f/w. I'm not sure quite yet what
2230                  * to do about this for CAM.
2231                  */
2232                 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR");
2233                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2234                 return;
2235         }
2236         if ((status & ~QLTM_SVALID) != AT_CDB) {
2237                 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", status);
2238                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2239                 return;
2240         }
2241
2242         bus = GET_BUS_VAL(aep->at_iid);
2243         tptr = get_lun_statep(isp, bus, aep->at_lun);
2244         if (tptr == NULL) {
2245                 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
2246                 if (tptr == NULL) {
2247                         /*
2248                          * Because we can't autofeed sense data back with
2249                          * a command for parallel SCSI, we can't give back
2250                          * a CHECK CONDITION. We'll give back a BUSY status
2251                          * instead. This works out okay because the only
2252                          * time we should, in fact, get this, is in the
2253                          * case that somebody configured us without the
2254                          * blackhole driver, so they get what they deserve.
2255                          */
2256                         isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2257                         return;
2258                 }
2259         }
2260
2261         atp = isp_get_atpd(isp, tptr, aep->at_handle);
2262         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2263         if (atiop == NULL || atp == NULL) {
2264                 /*
2265                  * Because we can't autofeed sense data back with
2266                  * a command for parallel SCSI, we can't give back
2267                  * a CHECK CONDITION. We'll give back a QUEUE FULL status
2268                  * instead. This works out okay because the only time we
2269                  * should, in fact, get this, is in the case that we've
2270                  * run out of ATIOS.
2271                  */
2272                 xpt_print(tptr->owner, "no %s for lun %d from initiator %d\n", (atp == NULL && atiop == NULL)? "ATIOs *or* ATPS" :
2273                     ((atp == NULL)? "ATPs" : "ATIOs"), aep->at_lun, aep->at_iid);
2274                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2275                 if (atp) {
2276                         isp_put_atpd(isp, tptr, atp);
2277                 }
2278                 rls_lun_statep(isp, tptr);
2279                 return;
2280         }
2281         atp->rxid = aep->at_tag_val;
2282         atp->state = ATPD_STATE_ATIO;
2283         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2284         tptr->atio_count--;
2285         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2286         atiop->ccb_h.target_id = aep->at_tgt;
2287         atiop->ccb_h.target_lun = aep->at_lun;
2288         if (aep->at_flags & AT_NODISC) {
2289                 atiop->ccb_h.flags |= CAM_DIS_DISCONNECT;
2290         } else {
2291                 atiop->ccb_h.flags &= ~CAM_DIS_DISCONNECT;
2292         }
2293
2294         if (status & QLTM_SVALID) {
2295                 size_t amt = ISP_MIN(QLTM_SENSELEN, sizeof (atiop->sense_data));
2296                 atiop->sense_len = amt;
2297                 ISP_MEMCPY(&atiop->sense_data, aep->at_sense, amt);
2298         } else {
2299                 atiop->sense_len = 0;
2300         }
2301
2302         atiop->init_id = GET_IID_VAL(aep->at_iid);
2303         atiop->cdb_len = aep->at_cdblen;
2304         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen);
2305         atiop->ccb_h.status = CAM_CDB_RECVD;
2306         /*
2307          * Construct a tag 'id' based upon tag value (which may be 0..255)
2308          * and the handle (which we have to preserve).
2309          */
2310         atiop->tag_id = atp->tag;
2311         if (aep->at_flags & AT_TQAE) {
2312                 atiop->tag_action = aep->at_tag_type;
2313                 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID;
2314         }
2315         atp->orig_datalen = 0;
2316         atp->bytes_xfered = 0;
2317         atp->lun = aep->at_lun;
2318         atp->nphdl = aep->at_iid;
2319         atp->portid = PORT_NONE;
2320         atp->oxid = 0;
2321         atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2322         atp->tattr = aep->at_tag_type;
2323         atp->state = ATPD_STATE_CAM;
2324         isp_prt(isp, ISP_LOGTDEBUG0, "ATIO[0x%x] CDB=0x%x lun %d", aep->at_tag_val, atp->cdb0, atp->lun);
2325         rls_lun_statep(isp, tptr);
2326 }
2327
2328 static void
2329 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
2330 {
2331         lun_id_t lun;
2332         fcportdb_t *lp;
2333         tstate_t *tptr;
2334         struct ccb_accept_tio *atiop;
2335         uint16_t nphdl;
2336         atio_private_data_t *atp;
2337         inot_private_data_t *ntp;
2338
2339         /*
2340          * The firmware status (except for the QLTM_SVALID bit)
2341          * indicates why this ATIO was sent to us.
2342          *
2343          * If QLTM_SVALID is set, the firmware has recommended Sense Data.
2344          */
2345         if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
2346                 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
2347                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2348                 return;
2349         }
2350
2351         if (ISP_CAP_SCCFW(isp)) {
2352                 lun = aep->at_scclun;
2353         } else {
2354                 lun = aep->at_lun;
2355         }
2356         if (ISP_CAP_2KLOGIN(isp)) {
2357                 nphdl = ((at2e_entry_t *)aep)->at_iid;
2358         } else {
2359                 nphdl = aep->at_iid;
2360         }
2361         tptr = get_lun_statep(isp, 0, lun);
2362         if (tptr == NULL) {
2363                 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2364                 if (tptr == NULL) {
2365                         isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun);
2366                         if (lun == 0) {
2367                                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2368                         } else {
2369                                 isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2370                         }
2371                         return;
2372                 }
2373         }
2374
2375         /*
2376          * Start any commands pending resources first.
2377          */
2378         if (tptr->restart_queue) {
2379                 inot_private_data_t *restart_queue = tptr->restart_queue;
2380                 tptr->restart_queue = NULL;
2381                 while (restart_queue) {
2382                         ntp = restart_queue;
2383                         restart_queue = ntp->rd.nt.nt_hba;
2384                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
2385                         isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
2386                         isp_put_ntpd(isp, tptr, ntp);
2387                         /*
2388                          * If a recursion caused the restart queue to start to fill again,
2389                          * stop and splice the new list on top of the old list and restore
2390                          * it and go to noresrc.
2391                          */
2392                         if (tptr->restart_queue) {
2393                                 ntp = tptr->restart_queue;
2394                                 tptr->restart_queue = restart_queue;
2395                                 while (restart_queue->rd.nt.nt_hba) {
2396                                         restart_queue = restart_queue->rd.nt.nt_hba;
2397                                 }
2398                                 restart_queue->rd.nt.nt_hba = ntp;
2399                                 goto noresrc;
2400                         }
2401                 }
2402         }
2403
2404         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2405         if (atiop == NULL) {
2406                 goto noresrc;
2407         }
2408
2409         atp = isp_get_atpd(isp, tptr, aep->at_rxid);
2410         if (atp == NULL) {
2411                 goto noresrc;
2412         }
2413
2414         atp->state = ATPD_STATE_ATIO;
2415         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2416         tptr->atio_count--;
2417         isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count);
2418         atiop->ccb_h.target_id = FCPARAM(isp, 0)->isp_loopid;
2419         atiop->ccb_h.target_lun = lun;
2420
2421         /*
2422          * We don't get 'suggested' sense data as we do with SCSI cards.
2423          */
2424         atiop->sense_len = 0;
2425         if (ISP_CAP_2KLOGIN(isp)) {
2426                 /*
2427                  * NB: We could not possibly have 2K logins if we
2428                  * NB: also did not have SCC FW.
2429                  */
2430                 atiop->init_id = ((at2e_entry_t *)aep)->at_iid;
2431         } else {
2432                 atiop->init_id = aep->at_iid;
2433         }
2434
2435         /*
2436          * If we're not in the port database, add ourselves.
2437          */
2438         if (!IS_2100(isp) && isp_find_pdb_by_loopid(isp, 0, atiop->init_id, &lp) == 0) {
2439                 uint64_t iid =
2440                         (((uint64_t) aep->at_wwpn[0]) << 48) |
2441                         (((uint64_t) aep->at_wwpn[1]) << 32) |
2442                         (((uint64_t) aep->at_wwpn[2]) << 16) |
2443                         (((uint64_t) aep->at_wwpn[3]) <<  0);
2444                 /*
2445                  * However, make sure we delete ourselves if otherwise
2446                  * we were there but at a different loop id.
2447                  */
2448                 if (isp_find_pdb_by_wwn(isp, 0, iid, &lp)) {
2449                         isp_del_wwn_entry(isp, 0, iid, lp->handle, lp->portid);
2450                 }
2451                 isp_add_wwn_entry(isp, 0, iid, atiop->init_id, PORT_ANY, 0);
2452         }
2453         atiop->cdb_len = ATIO2_CDBLEN;
2454         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
2455         atiop->ccb_h.status = CAM_CDB_RECVD;
2456         atiop->tag_id = atp->tag;
2457         switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
2458         case ATIO2_TC_ATTR_SIMPLEQ:
2459                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2460                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
2461                 break;
2462         case ATIO2_TC_ATTR_HEADOFQ:
2463                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2464                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2465                 break;
2466         case ATIO2_TC_ATTR_ORDERED:
2467                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2468                 atiop->tag_action = MSG_ORDERED_Q_TAG;
2469                 break;
2470         case ATIO2_TC_ATTR_ACAQ:                /* ?? */
2471         case ATIO2_TC_ATTR_UNTAGGED:
2472         default:
2473                 atiop->tag_action = 0;
2474                 break;
2475         }
2476
2477         atp->orig_datalen = aep->at_datalen;
2478         atp->bytes_xfered = 0;
2479         atp->lun = lun;
2480         atp->nphdl = atiop->init_id;
2481         atp->sid = PORT_ANY;
2482         atp->oxid = aep->at_oxid;
2483         atp->cdb0 = aep->at_cdb[0];
2484         atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
2485         atp->state = ATPD_STATE_CAM;
2486         xpt_done((union ccb *)atiop);
2487         isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
2488         rls_lun_statep(isp, tptr);
2489         return;
2490 noresrc:
2491         ntp = isp_get_ntpd(isp, tptr);
2492         if (ntp == NULL) {
2493                 rls_lun_statep(isp, tptr);
2494                 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
2495                 return;
2496         }
2497         memcpy(ntp->rd.data, aep, QENTRY_LEN);
2498         ntp->rd.nt.nt_hba = tptr->restart_queue;
2499         tptr->restart_queue = ntp;
2500         rls_lun_statep(isp, tptr);
2501 }
2502
2503 static void
2504 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
2505 {
2506         int cdbxlen;
2507         uint16_t lun, chan, nphdl = NIL_HANDLE;
2508         uint32_t did, sid;
2509         uint64_t wwn = INI_NONE;
2510         fcportdb_t *lp;
2511         tstate_t *tptr;
2512         struct ccb_accept_tio *atiop;
2513         atio_private_data_t *atp = NULL;
2514         atio_private_data_t *oatp;
2515         inot_private_data_t *ntp;
2516
2517         did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
2518         sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2519         lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | aep->at_cmnd.fcp_cmnd_lun[1];
2520
2521         /*
2522          * Find the N-port handle, and Virtual Port Index for this command.
2523          *
2524          * If we can't, we're somewhat in trouble because we can't actually respond w/o that information.
2525          * We also, as a matter of course, need to know the WWN of the initiator too.
2526          */
2527         if (ISP_CAP_MULTI_ID(isp)) {
2528                 /*
2529                  * Find the right channel based upon D_ID
2530                  */
2531                 isp_find_chan_by_did(isp, did, &chan);
2532
2533                 if (chan == ISP_NOCHAN) {
2534                         NANOTIME_T now;
2535
2536                         /*
2537                          * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup
2538                          * It's a bit tricky here as we need to stash this command *somewhere*.
2539                          */
2540                         GET_NANOTIME(&now);
2541                         if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) {
2542                                 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did);
2543                                 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2544                                 return;
2545                         }
2546                         tptr = get_lun_statep(isp, 0, 0);
2547                         if (tptr == NULL) {
2548                                 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2549                                 if (tptr == NULL) {
2550                                         isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel and no tptr- dropping", __func__, aep->at_rxid, did);
2551                                         isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2552                                         return;
2553                                 }
2554                         }
2555                         isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did);
2556                         goto noresrc;
2557                 }
2558                 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x", __func__, aep->at_rxid, did, chan, sid);
2559         } else {
2560                 chan = 0;
2561         }
2562
2563         /*
2564          * Find the PDB entry for this initiator
2565          */
2566         if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) {
2567                 /*
2568                  * If we're not in the port database terminate the exchange.
2569                  */
2570                 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",
2571                     __func__, aep->at_rxid, did, chan, sid);
2572                 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
2573                 return;
2574         }
2575         nphdl = lp->handle;
2576         wwn = lp->port_wwn;
2577
2578         /*
2579          * Get the tstate pointer
2580          */
2581         tptr = get_lun_statep(isp, chan, lun);
2582         if (tptr == NULL) {
2583                 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
2584                 if (tptr == NULL) {
2585                         isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun);
2586                         if (lun == 0) {
2587                                 isp_endcmd(isp, aep, nphdl, SCSI_STATUS_BUSY, 0);
2588                         } else {
2589                                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2590                         }
2591                         return;
2592                 }
2593         }
2594
2595         /*
2596          * Start any commands pending resources first.
2597          */
2598         if (tptr->restart_queue) {
2599                 inot_private_data_t *restart_queue = tptr->restart_queue;
2600                 tptr->restart_queue = NULL;
2601                 while (restart_queue) {
2602                         ntp = restart_queue;
2603                         restart_queue = ntp->rd.nt.nt_hba;
2604                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
2605                         isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
2606                         isp_put_ntpd(isp, tptr, ntp);
2607                         /*
2608                          * If a recursion caused the restart queue to start to fill again,
2609                          * stop and splice the new list on top of the old list and restore
2610                          * it and go to noresrc.
2611                          */
2612                         if (tptr->restart_queue) {
2613                                 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restart queue refilling", __func__);
2614                                 if (restart_queue) {
2615                                         ntp = tptr->restart_queue;
2616                                         tptr->restart_queue = restart_queue;
2617                                         while (restart_queue->rd.nt.nt_hba) {
2618                                                 restart_queue = restart_queue->rd.nt.nt_hba;
2619                                         }
2620                                         restart_queue->rd.nt.nt_hba = ntp;
2621                                 }
2622                                 goto noresrc;
2623                         }
2624                 }
2625         }
2626
2627         /*
2628          * If the f/w is out of resources, just send a BUSY status back.
2629          */
2630         if (aep->at_rxid == AT7_NORESRC_RXID) {
2631                 rls_lun_statep(isp, tptr);
2632                 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
2633                 return;
2634         }
2635
2636         /*
2637          * If we're out of resources, just send a BUSY status back.
2638          */
2639         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2640         if (atiop == NULL) {
2641                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
2642                 goto noresrc;
2643         }
2644
2645         oatp = isp_find_atpd(isp, tptr, aep->at_rxid);
2646         if (oatp) {
2647                 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",
2648                     aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
2649                 /*
2650                  * It's not a "no resource" condition- but we can treat it like one
2651                  */
2652                 goto noresrc;
2653         }
2654         atp = isp_get_atpd(isp, tptr, aep->at_rxid);
2655         if (atp == NULL) {
2656                 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
2657                 goto noresrc;
2658         }
2659         atp->word3 = lp->prli_word3;
2660         atp->state = ATPD_STATE_ATIO;
2661         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2662         tptr->atio_count--;
2663         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2664         atiop->init_id = nphdl;
2665         atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
2666         atiop->ccb_h.target_lun = lun;
2667         atiop->sense_len = 0;
2668         cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
2669         if (cdbxlen) {
2670                 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
2671         }
2672         cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
2673         ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
2674         atiop->cdb_len = cdbxlen;
2675         atiop->ccb_h.status = CAM_CDB_RECVD;
2676         atiop->tag_id = atp->tag;
2677         switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
2678         case FCP_CMND_TASK_ATTR_SIMPLE:
2679                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2680                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
2681                 break;
2682         case FCP_CMND_TASK_ATTR_HEAD:
2683                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2684                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2685                 break;
2686         case FCP_CMND_TASK_ATTR_ORDERED:
2687                 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2688                 atiop->tag_action = MSG_ORDERED_Q_TAG;
2689                 break;
2690         default:
2691                 /* FALLTHROUGH */
2692         case FCP_CMND_TASK_ATTR_ACA:
2693         case FCP_CMND_TASK_ATTR_UNTAGGED:
2694                 atiop->tag_action = 0;
2695                 break;
2696         }
2697         atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
2698         atp->bytes_xfered = 0;
2699         atp->lun = lun;
2700         atp->nphdl = nphdl;
2701         atp->portid = sid;
2702         atp->oxid = aep->at_hdr.ox_id;
2703         atp->rxid = aep->at_hdr.rx_id;
2704         atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2705         atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
2706         atp->state = ATPD_STATE_CAM;
2707         isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
2708         xpt_done((union ccb *)atiop);
2709         rls_lun_statep(isp, tptr);
2710         return;
2711 noresrc:
2712         if (atp) {
2713                 isp_put_atpd(isp, tptr, atp);
2714         }
2715         ntp = isp_get_ntpd(isp, tptr);
2716         if (ntp == NULL) {
2717                 rls_lun_statep(isp, tptr);
2718                 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2719                 return;
2720         }
2721         memcpy(ntp->rd.data, aep, QENTRY_LEN);
2722         ntp->rd.nt.nt_hba = tptr->restart_queue;
2723         tptr->restart_queue = ntp;
2724         rls_lun_statep(isp, tptr);
2725 }
2726
2727
2728 /*
2729  * Handle starting an SRR (sequence retransmit request)
2730  * We get here when we've gotten the immediate notify
2731  * and the return of all outstanding CTIOs for this
2732  * transaction.
2733  */
2734 static void
2735 isp_handle_srr_start(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
2736 {
2737         in_fcentry_24xx_t *inot;
2738         uint32_t srr_off, ccb_off, ccb_len, ccb_end;
2739         union ccb *ccb;
2740
2741         inot = (in_fcentry_24xx_t *)atp->srr;
2742         srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
2743         ccb = atp->srr_ccb;
2744         atp->srr_ccb = NULL;
2745         atp->nsrr++;
2746         if (ccb == NULL) {
2747                 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
2748                 goto fail;
2749         }
2750
2751         ccb_off = ccb->ccb_h.spriv_field0;
2752         ccb_len = ccb->csio.dxfer_len;
2753         ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
2754
2755         switch (inot->in_srr_iu) {
2756         case R_CTL_INFO_SOLICITED_DATA:
2757                 /*
2758                  * We have to restart a FCP_DATA data out transaction
2759                  */
2760                 atp->sendst = 0;
2761                 atp->bytes_xfered = srr_off;
2762                 if (ccb_len == 0) {
2763                         isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
2764                         goto mdp;
2765                 }
2766                 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
2767                         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);
2768                         goto mdp;
2769                 }
2770                 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);
2771                 break;
2772         case R_CTL_INFO_COMMAND_STATUS:
2773                 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
2774                 atp->sendst = 1;
2775                 /*
2776                  * We have to restart a FCP_RSP IU transaction
2777                  */
2778                 break;
2779         case R_CTL_INFO_DATA_DESCRIPTOR:
2780                 /*
2781                  * We have to restart an FCP DATA in transaction
2782                  */
2783                 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
2784                 goto fail;
2785
2786         default:
2787                 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
2788                 goto fail;
2789         }
2790
2791         /*
2792          * We can't do anything until this is acked, so we might as well start it now.
2793          * We aren't going to do the usual asynchronous ack issue because we need
2794          * to make sure this gets on the wire first.
2795          */
2796         if (isp_notify_ack(isp, inot)) {
2797                 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2798                 goto fail;
2799         }
2800         isp_target_start_ctio(isp, ccb, FROM_SRR);
2801         return;
2802 fail:
2803         inot->in_reserved = 1;
2804         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2805         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2806         ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2807         isp_complete_ctio(ccb);
2808         return;
2809 mdp:
2810         if (isp_notify_ack(isp, inot)) {
2811                 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2812                 goto fail;
2813         }
2814         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2815         ccb->ccb_h.status = CAM_MESSAGE_RECV;
2816         /*
2817          * This is not a strict interpretation of MDP, but it's close
2818          */
2819         ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2820         ccb->csio.msg_len = 7;
2821         ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2822         ccb->csio.msg_ptr[1] = 5;
2823         ccb->csio.msg_ptr[2] = 0;       /* modify data pointer */
2824         ccb->csio.msg_ptr[3] = srr_off >> 24;
2825         ccb->csio.msg_ptr[4] = srr_off >> 16;
2826         ccb->csio.msg_ptr[5] = srr_off >> 8;
2827         ccb->csio.msg_ptr[6] = srr_off;
2828         isp_complete_ctio(ccb);
2829 }
2830
2831
2832 static void
2833 isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw)
2834 {
2835         tstate_t *tptr;
2836         in_fcentry_24xx_t *inot = inot_raw;
2837         atio_private_data_t *atp;
2838         uint32_t tag = inot->in_rxid;
2839         uint32_t bus = inot->in_vpidx;
2840
2841         if (!IS_24XX(isp)) {
2842                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw);
2843                 return;
2844         }
2845
2846         tptr = get_lun_statep_from_tag(isp, bus, tag);
2847         if (tptr == NULL) {
2848                 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x in SRR Notify", __func__, tag);
2849                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2850                 return;
2851         }
2852         atp = isp_find_atpd(isp, tptr, tag);
2853         if (atp == NULL) {
2854                 rls_lun_statep(isp, tptr);
2855                 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag);
2856                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2857                 return;
2858         }
2859         atp->srr_notify_rcvd = 1;
2860         memcpy(atp->srr, inot, sizeof (atp->srr));
2861         isp_prt(isp, ISP_LOGTINFO /* ISP_LOGTDEBUG0 */, "SRR[0x%x] inot->in_rxid flags 0x%x srr_iu=%x reloff 0x%x", inot->in_rxid, inot->in_flags, inot->in_srr_iu,
2862             inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16));
2863         if (atp->srr_ccb)
2864                 isp_handle_srr_start(isp, tptr, atp);
2865         rls_lun_statep(isp, tptr);
2866 }
2867
2868 static void
2869 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2870 {
2871         union ccb *ccb;
2872         int sentstatus = 0, ok = 0, notify_cam = 0, resid = 0, failure = 0;
2873         tstate_t *tptr = NULL;
2874         atio_private_data_t *atp = NULL;
2875         int bus;
2876         uint32_t handle, moved_data = 0, data_requested;
2877
2878         /*
2879          * CTIO handles are 16 bits.
2880          * CTIO2 and CTIO7 are 32 bits.
2881          */
2882
2883         if (IS_SCSI(isp)) {
2884                 handle = ((ct_entry_t *)arg)->ct_syshandle;
2885         } else {
2886                 handle = ((ct2_entry_t *)arg)->ct_syshandle;
2887         }
2888         ccb = isp_find_xs_tgt(isp, handle);
2889         if (ccb == NULL) {
2890                 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2891                 return;
2892         }
2893         isp_destroy_tgt_handle(isp, handle);
2894         data_requested = PISP_PCMD(ccb)->datalen;
2895         isp_free_pcmd(isp, ccb);
2896         if (isp->isp_nactive) {
2897                 isp->isp_nactive--;
2898         }
2899
2900         bus = XS_CHANNEL(ccb);
2901         tptr = get_lun_statep(isp, bus, XS_LUN(ccb));
2902         if (tptr == NULL) {
2903                 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
2904         }
2905         if (tptr == NULL) {
2906                 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x after I/O", __func__, ccb->csio.tag_id);
2907                 return;
2908         }
2909
2910         if (IS_24XX(isp)) {
2911                 atp = isp_find_atpd(isp, tptr, ((ct7_entry_t *)arg)->ct_rxid);
2912         } else if (IS_FC(isp)) {
2913                 atp = isp_find_atpd(isp, tptr, ((ct2_entry_t *)arg)->ct_rxid);
2914         } else {
2915                 atp = isp_find_atpd(isp, tptr, ((ct_entry_t *)arg)->ct_fwhandle);
2916         }
2917         if (atp == NULL) {
2918                 rls_lun_statep(isp, tptr);
2919                 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2920                 return;
2921         }
2922         KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2923         atp->bytes_in_transit -= data_requested;
2924         atp->ctcnt -= 1;
2925         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2926
2927         if (IS_24XX(isp)) {
2928                 ct7_entry_t *ct = arg;
2929
2930                 if (ct->ct_nphdl == CT7_SRR) {
2931                         atp->srr_ccb = ccb;
2932                         if (atp->srr_notify_rcvd)
2933                                 isp_handle_srr_start(isp, tptr, atp);
2934                         rls_lun_statep(isp, tptr);
2935                         return;
2936                 }
2937                 if (ct->ct_nphdl == CT_HBA_RESET) {
2938                         failure = CAM_UNREC_HBA_ERROR;
2939                 } else {
2940                         sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2941                         ok = (ct->ct_nphdl == CT7_OK);
2942                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2943                         if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) {
2944                                 resid = ct->ct_resid;
2945                                 moved_data = data_requested - resid;
2946                         }
2947                 }
2948                 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),
2949                    notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2950         } else if (IS_FC(isp)) {
2951                 ct2_entry_t *ct = arg;
2952                 if (ct->ct_status == CT_SRR) {
2953                         atp->srr_ccb = ccb;
2954                         if (atp->srr_notify_rcvd)
2955                                 isp_handle_srr_start(isp, tptr, atp);
2956                         rls_lun_statep(isp, tptr);
2957                         isp_target_putback_atio(ccb);
2958                         return;
2959                 }
2960                 if (ct->ct_status == CT_HBA_RESET) {
2961                         failure = CAM_UNREC_HBA_ERROR;
2962                 } else {
2963                         sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2964                         ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2965                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2966                         if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
2967                                 resid = ct->ct_resid;
2968                                 moved_data = data_requested - resid;
2969                         }
2970                 }
2971                 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),
2972                     notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2973         } else {
2974                 ct_entry_t *ct = arg;
2975
2976                 if (ct->ct_status == (CT_HBA_RESET & 0xff)) {
2977                         failure = CAM_UNREC_HBA_ERROR;
2978                 } else {
2979                         sentstatus = ct->ct_flags & CT_SENDSTATUS;
2980                         ok = (ct->ct_status  & ~QLTM_SVALID) == CT_OK;
2981                         notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2982                 }
2983                 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) {
2984                         resid = ct->ct_resid;
2985                         moved_data = data_requested - resid;
2986                 }
2987                 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d tag %x S_ID 0x%x lun %d sts %x flg %x resid %d %s", __func__, ct->ct_fwhandle, ATPD_GET_SEQNO(ct),
2988                     notify_cam, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID");
2989         }
2990         if (ok) {
2991                 if (moved_data) {
2992                         atp->bytes_xfered += moved_data;
2993                         ccb->csio.resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
2994                 }
2995                 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
2996                         ccb->ccb_h.status |= CAM_SENT_SENSE;
2997                 }
2998                 ccb->ccb_h.status |= CAM_REQ_CMP;
2999         } else {
3000                 notify_cam = 1;
3001                 if (failure == CAM_UNREC_HBA_ERROR)
3002                         ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
3003                 else
3004                         ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
3005         }
3006         atp->state = ATPD_STATE_PDON;
3007         rls_lun_statep(isp, tptr);
3008
3009         /*
3010          * We never *not* notify CAM when there has been any error (ok == 0),
3011          * so we never need to do an ATIO putback if we're not notifying CAM.
3012          */
3013         isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
3014             (sentstatus)? "  FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
3015         if (notify_cam == 0) {
3016                 if (atp->sendst) {
3017                         isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
3018                 }
3019                 return;
3020         }
3021
3022         /*
3023          * We're telling CAM we're done with this CTIO transaction.
3024          *
3025          * 24XX cards never need an ATIO put back.
3026          *
3027          * Other cards need one put back only on error.
3028          * In the latter case, a timeout will re-fire
3029          * and try again in case we didn't have
3030          * queue resources to do so at first. In any case,
3031          * once the putback is done we do the completion
3032          * call.
3033          */
3034         if (ok || IS_24XX(isp)) {
3035                 isp_complete_ctio(ccb);
3036         } else {
3037                 isp_target_putback_atio(ccb);
3038         }
3039 }
3040
3041 static void
3042 isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot)
3043 {
3044         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3045 }
3046
3047 static void
3048 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
3049 {
3050         int needack = 1;
3051         switch (inp->in_status) {
3052         case IN_PORT_LOGOUT:
3053                 /*
3054                  * XXX: Need to delete this initiator's WWN from the database
3055                  * XXX: Need to send this LOGOUT upstream
3056                  */
3057                 isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid);
3058                 break;
3059         case IN_PORT_CHANGED:
3060                 isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid);
3061                 break;
3062         case IN_GLOBAL_LOGO:
3063                 isp_del_all_wwn_entries(isp, 0);
3064                 isp_prt(isp, ISP_LOGINFO, "all ports logged out");
3065                 break;
3066         case IN_ABORT_TASK:
3067         {
3068                 tstate_t *tptr;
3069                 uint16_t lun;
3070                 uint32_t loopid;
3071                 uint64_t wwn;
3072                 atio_private_data_t *atp;
3073                 fcportdb_t *lp;
3074                 struct ccb_immediate_notify *inot = NULL;
3075
3076                 if (ISP_CAP_SCCFW(isp)) {
3077                         lun = inp->in_scclun;
3078                 } else {
3079                         lun = inp->in_lun;
3080                 }
3081                 if (ISP_CAP_2KLOGIN(isp)) {
3082                         loopid = ((in_fcentry_e_t *)inp)->in_iid;
3083                 } else {
3084                         loopid = inp->in_iid;
3085                 }
3086                 if (isp_find_pdb_by_loopid(isp, 0, loopid, &lp)) {
3087                         wwn = lp->port_wwn;
3088                 } else {
3089                         wwn = INI_ANY;
3090                 }
3091                 tptr = get_lun_statep(isp, 0, lun);
3092                 if (tptr == NULL) {
3093                         tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
3094                         if (tptr == NULL) {
3095                                 isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun);
3096                                 return;
3097                         }
3098                 }
3099                 atp = isp_find_atpd(isp, tptr, inp->in_seqid);
3100
3101                 if (atp) {
3102                         inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
3103                         isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state);
3104                         if (inot) {
3105                                 tptr->inot_count--;
3106                                 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
3107                                 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
3108                         } else {
3109                                 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "out of INOT structures\n");
3110                         }
3111                 } else {
3112                         ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn);
3113                 }
3114                 if (inot) {
3115                         isp_notify_t tmp, *nt = &tmp;
3116                         ISP_MEMZERO(nt, sizeof (isp_notify_t));
3117                         nt->nt_hba = isp;
3118                         nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn;
3119                         nt->nt_wwn = wwn;
3120                         nt->nt_nphdl = loopid;
3121                         nt->nt_sid = PORT_ANY;
3122                         nt->nt_did = PORT_ANY;
3123                         nt->nt_lun = lun;
3124                         nt->nt_need_ack = 1;
3125                         nt->nt_channel = 0;
3126                         nt->nt_ncode = NT_ABORT_TASK;
3127                         nt->nt_lreserved = inot;
3128                         isp_handle_platform_target_tmf(isp, nt);
3129                         needack = 0;
3130                 }
3131                 rls_lun_statep(isp, tptr);
3132                 break;
3133         }
3134         default:
3135                 break;
3136         }
3137         if (needack) {
3138                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp);
3139         }
3140 }
3141
3142 static void
3143 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
3144 {
3145         uint16_t nphdl;
3146         uint16_t prli_options = 0;
3147         uint32_t portid;
3148         fcportdb_t *lp;
3149         uint8_t *ptr = NULL;
3150         uint64_t wwn;
3151
3152         nphdl = inot->in_nphdl;
3153         if (nphdl != NIL_HANDLE) {
3154                 portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
3155         } else {
3156                 portid = PORT_ANY;
3157         }
3158
3159         switch (inot->in_status) {
3160         case IN24XX_ELS_RCVD:
3161         {
3162                 char buf[16], *msg;
3163                 int chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
3164
3165                 /*
3166                  * Note that we're just getting notification that an ELS was received
3167                  * (possibly with some associated information sent upstream). This is
3168                  * *not* the same as being given the ELS frame to accept or reject.
3169                  */
3170                 switch (inot->in_status_subcode) {
3171                 case LOGO:
3172                         msg = "LOGO";
3173                         if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
3174                                 ptr = (uint8_t *)inot;  /* point to unswizzled entry! */
3175                                 wwn =   (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF])   << 56) |
3176                                         (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+1]) << 48) |
3177                                         (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+2]) << 40) |
3178                                         (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+3]) << 32) |
3179                                         (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+4]) << 24) |
3180                                         (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+5]) << 16) |
3181                                         (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+6]) <<  8) |
3182                                         (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+7]));
3183                         } else {
3184                                 wwn = INI_ANY;
3185                         }
3186                         isp_del_wwn_entry(isp, chan, wwn, nphdl, portid);
3187                         break;
3188                 case PRLO:
3189                         msg = "PRLO";
3190                         break;
3191                 case PLOGI:
3192                 case PRLI:
3193                         /*
3194                          * Treat PRLI the same as PLOGI and make a database entry for it.
3195                          */
3196                         if (inot->in_status_subcode == PLOGI) {
3197                                 msg = "PLOGI";
3198                         } else {
3199                                 prli_options = inot->in_prli_options;
3200                                 msg = "PRLI";
3201                         }
3202                         if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
3203                                 ptr = (uint8_t *)inot;  /* point to unswizzled entry! */
3204                                 wwn =   (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF])   << 56) |
3205                                         (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+1]) << 48) |
3206                                         (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+2]) << 40) |
3207                                         (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+3]) << 32) |
3208                                         (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+4]) << 24) |
3209                                         (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+5]) << 16) |
3210                                         (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+6]) <<  8) |
3211                                         (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+7]));
3212                         } else {
3213                                 wwn = INI_NONE;
3214                         }
3215                         isp_add_wwn_entry(isp, chan, wwn, nphdl, portid, prli_options);
3216                         break;
3217                 case PDISC:
3218                         msg = "PDISC";
3219                         break;
3220                 case ADISC:
3221                         msg = "ADISC";
3222                         break;
3223                 default:
3224                         ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode);
3225                         msg = buf;
3226                         break;
3227                 }
3228                 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
3229                         isp_prt(isp, ISP_LOGERR, "%s Chan %d ELS N-port handle %x PortID 0x%06x marked as needing a PUREX response", msg, chan, nphdl, portid);
3230                         break;
3231                 }
3232                 isp_prt(isp, ISP_LOGTDEBUG0, "%s Chan %d ELS N-port handle %x PortID 0x%06x RX_ID 0x%x OX_ID 0x%x", msg, chan, nphdl, portid,
3233                     inot->in_rxid, inot->in_oxid);
3234                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3235                 break;
3236         }
3237
3238         case IN24XX_PORT_LOGOUT:
3239                 ptr = "PORT LOGOUT";
3240                 if (isp_find_pdb_by_loopid(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) {
3241                         isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid);
3242                 }
3243                 /* FALLTHROUGH */
3244         case IN24XX_PORT_CHANGED:
3245                 if (ptr == NULL) {
3246                         ptr = "PORT CHANGED";
3247                 }
3248                 /* FALLTHROUGH */
3249         case IN24XX_LIP_RESET:
3250                 if (ptr == NULL) {
3251                         ptr = "LIP RESET";
3252                 }
3253                 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for N-port handle 0x%x", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr, inot->in_status_subcode, nphdl);
3254
3255                 /*
3256                  * All subcodes here are irrelevant. What is relevant
3257                  * is that we need to terminate all active commands from
3258                  * this initiator (known by N-port handle).
3259                  */
3260                 /* XXX IMPLEMENT XXX */
3261                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3262                 break;
3263
3264         case IN24XX_SRR_RCVD:
3265 #ifdef  ISP_TARGET_MODE
3266                 isp_handle_srr_notify(isp, inot);
3267                 break;
3268 #else
3269                 if (ptr == NULL) {
3270                         ptr = "SRR RCVD";
3271                 }
3272                 /* FALLTHROUGH */
3273 #endif
3274         case IN24XX_LINK_RESET:
3275                 if (ptr == NULL) {
3276                         ptr = "LINK RESET";
3277                 }
3278         case IN24XX_LINK_FAILED:
3279                 if (ptr == NULL) {
3280                         ptr = "LINK FAILED";
3281                 }
3282         default:
3283                 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr);
3284                 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3285                 break;
3286         }
3287 }
3288
3289 static int
3290 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp)
3291 {
3292
3293         if (isp->isp_state != ISP_RUNSTATE) {
3294                 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
3295                 return (0);
3296         }
3297
3298         /*
3299          * This case is for a Task Management Function, which shows up as an ATIO7 entry.
3300          */
3301         if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
3302                 ct7_entry_t local, *cto = &local;
3303                 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
3304                 fcportdb_t *lp;
3305                 uint32_t sid;
3306                 uint16_t nphdl;
3307
3308                 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
3309                 if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) {
3310                         nphdl = lp->handle;
3311                 } else {
3312                         nphdl = NIL_HANDLE;
3313                 }
3314                 ISP_MEMZERO(&local, sizeof (local));
3315                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
3316                 cto->ct_header.rqs_entry_count = 1;
3317                 cto->ct_nphdl = nphdl;
3318                 cto->ct_rxid = aep->at_rxid;
3319                 cto->ct_vpidx = mp->nt_channel;
3320                 cto->ct_iid_lo = sid;
3321                 cto->ct_iid_hi = sid >> 16;
3322                 cto->ct_oxid = aep->at_hdr.ox_id;
3323                 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
3324                 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
3325                 return (isp_target_put_entry(isp, &local));
3326         }
3327
3328         /*
3329          * This case is for a responding to an ABTS frame
3330          */
3331         if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
3332
3333                 /*
3334                  * Overload nt_need_ack here to mark whether we've terminated the associated command.
3335                  */
3336                 if (mp->nt_need_ack) {
3337                         uint8_t storage[QENTRY_LEN];
3338                         ct7_entry_t *cto = (ct7_entry_t *) storage;
3339                         abts_t *abts = (abts_t *)mp->nt_lreserved;
3340
3341                         ISP_MEMZERO(cto, sizeof (ct7_entry_t));
3342                         isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
3343                         cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
3344                         cto->ct_header.rqs_entry_count = 1;
3345                         cto->ct_nphdl = mp->nt_nphdl;
3346                         cto->ct_rxid = abts->abts_rxid_task;
3347                         cto->ct_iid_lo = mp->nt_sid;
3348                         cto->ct_iid_hi = mp->nt_sid >> 16;
3349                         cto->ct_oxid = abts->abts_ox_id;
3350                         cto->ct_vpidx = mp->nt_channel;
3351                         cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
3352                         if (isp_target_put_entry(isp, cto)) {
3353                                 return (ENOMEM);
3354                         }
3355                         mp->nt_need_ack = 0;
3356                 }
3357                 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
3358                         return (ENOMEM);
3359                 } else {
3360                         return (0);
3361                 }
3362         }
3363
3364         /*
3365          * Handle logout cases here
3366          */
3367         if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
3368                 isp_del_all_wwn_entries(isp, mp->nt_channel);
3369         }
3370
3371         if (mp->nt_ncode == NT_LOGOUT) {
3372                 if (!IS_2100(isp) && IS_FC(isp)) {
3373                         isp_del_wwn_entries(isp, mp);
3374                 }
3375         }
3376
3377         /*
3378          * General purpose acknowledgement
3379          */
3380         if (mp->nt_need_ack) {
3381                 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
3382                 /*
3383                  * Don't need to use the guaranteed send because the caller can retry
3384                  */
3385                 return (isp_notify_ack(isp, mp->nt_lreserved));
3386         }
3387         return (0);
3388 }
3389
3390 /*
3391  * Handle task management functions.
3392  *
3393  * We show up here with a notify structure filled out.
3394  *
3395  * The nt_lreserved tag points to the original queue entry
3396  */
3397 static void
3398 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
3399 {
3400         tstate_t *tptr;
3401         fcportdb_t *lp;
3402         struct ccb_immediate_notify *inot;
3403         inot_private_data_t *ntp = NULL;
3404         lun_id_t lun;
3405
3406         isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid  0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode,
3407             notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
3408         /*
3409          * NB: This assignment is necessary because of tricky type conversion.
3410          * XXX: This is tricky and I need to check this. If the lun isn't known
3411          * XXX: for the task management function, it does not of necessity follow
3412          * XXX: that it should go up stream to the wildcard listener.
3413          */
3414         if (notify->nt_lun == LUN_ANY) {
3415                 lun = CAM_LUN_WILDCARD;
3416         } else {
3417                 lun = notify->nt_lun;
3418         }
3419         tptr = get_lun_statep(isp, notify->nt_channel, lun);
3420         if (tptr == NULL) {
3421                 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
3422                 if (tptr == NULL) {
3423                         isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
3424                         goto bad;
3425                 }
3426         }
3427         inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
3428         if (inot == NULL) {
3429                 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
3430                 goto bad;
3431         }
3432
3433         if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0) {
3434                 inot->initiator_id = CAM_TARGET_WILDCARD;
3435         } else {
3436                 inot->initiator_id = lp->handle;
3437         }
3438         inot->seq_id = notify->nt_tagval;
3439         inot->tag_id = notify->nt_tagval >> 32;
3440
3441         switch (notify->nt_ncode) {
3442         case NT_ABORT_TASK:
3443                 isp_target_mark_aborted_early(isp, tptr, inot->tag_id);
3444                 inot->arg = MSG_ABORT_TASK;
3445                 break;
3446         case NT_ABORT_TASK_SET:
3447                 isp_target_mark_aborted_early(isp, tptr, TAG_ANY);
3448                 inot->arg = MSG_ABORT_TASK_SET;
3449                 break;
3450         case NT_CLEAR_ACA:
3451                 inot->arg = MSG_CLEAR_ACA;
3452                 break;
3453         case NT_CLEAR_TASK_SET:
3454                 inot->arg = MSG_CLEAR_TASK_SET;
3455                 break;
3456         case NT_LUN_RESET:
3457                 inot->arg = MSG_LOGICAL_UNIT_RESET;
3458                 break;
3459         case NT_TARGET_RESET:
3460                 inot->arg = MSG_TARGET_RESET;
3461                 break;
3462         default:
3463                 isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun 0x%x", __func__, notify->nt_ncode, notify->nt_channel, lun);
3464                 goto bad;
3465         }
3466
3467         ntp = isp_get_ntpd(isp, tptr);
3468         if (ntp == NULL) {
3469                 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
3470                 goto bad;
3471         }
3472         ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t));
3473         if (notify->nt_lreserved) {
3474                 ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN);
3475                 ntp->rd.nt.nt_lreserved = &ntp->rd.data;
3476         }
3477         ntp->rd.seq_id = notify->nt_tagval;
3478         ntp->rd.tag_id = notify->nt_tagval >> 32;
3479
3480         tptr->inot_count--;
3481         SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
3482         rls_lun_statep(isp, tptr);
3483         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
3484         inot->ccb_h.status = CAM_MESSAGE_RECV;
3485         xpt_done((union ccb *)inot);
3486         return;
3487 bad:
3488         if (tptr) {
3489                 rls_lun_statep(isp, tptr);
3490         }
3491         if (notify->nt_need_ack && notify->nt_lreserved) {
3492                 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
3493                         if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
3494                                 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
3495                         }
3496                 } else {
3497                         isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
3498                 }
3499         }
3500 }
3501
3502 /*
3503  * Find the associated private data and mark it as dead so
3504  * we don't try to work on it any further.
3505  */
3506 static void
3507 isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb)
3508 {
3509         tstate_t *tptr;
3510         atio_private_data_t *atp;
3511         union ccb *accb = ccb->cab.abort_ccb;
3512
3513         tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
3514         if (tptr == NULL) {
3515                 tptr = get_lun_statep(isp, XS_CHANNEL(accb), CAM_LUN_WILDCARD);
3516                 if (tptr == NULL) {
3517                         ccb->ccb_h.status = CAM_REQ_INVALID;
3518                         return;
3519                 }
3520         }
3521
3522         atp = isp_find_atpd(isp, tptr, accb->atio.tag_id);
3523         if (atp == NULL) {
3524                 ccb->ccb_h.status = CAM_REQ_INVALID;
3525         } else {
3526                 atp->dead = 1;
3527                 ccb->ccb_h.status = CAM_REQ_CMP;
3528         }
3529         rls_lun_statep(isp, tptr);
3530 }
3531
3532 static void
3533 isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id)
3534 {
3535         atio_private_data_t *atp;
3536         inot_private_data_t *restart_queue = tptr->restart_queue;
3537
3538         /*
3539          * First, clean any commands pending restart
3540          */
3541         tptr->restart_queue = NULL;
3542         while (restart_queue) {
3543                 uint32_t this_tag_id;
3544                 inot_private_data_t *ntp = restart_queue;
3545
3546                 restart_queue = ntp->rd.nt.nt_hba;
3547
3548                 if (IS_24XX(isp)) {
3549                         this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid;
3550                 } else {
3551                         this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid;
3552                 }
3553                 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
3554                         isp_put_ntpd(isp, tptr, ntp);
3555                 } else {
3556                         ntp->rd.nt.nt_hba = tptr->restart_queue;
3557                         tptr->restart_queue = ntp;
3558                 }
3559         }
3560
3561         /*
3562          * Now mark other ones dead as well.
3563          */
3564         for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
3565                 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) {
3566                         atp->dead = 1;
3567                 }
3568         }
3569 }
3570
3571
3572 #ifdef  ISP_INTERNAL_TARGET
3573 //#define       ISP_SEPARATE_STATUS     1
3574 #define ISP_MULTI_CCBS          1
3575 #if defined(ISP_MULTI_CCBS) && !defined(ISP_SEPARATE_STATUS)
3576 #define ISP_SEPARATE_STATUS 1
3577 #endif
3578
3579 typedef struct periph_private_data_t {
3580         union ccb *ccb;                 /* original ATIO or Immediate Notify */
3581         unsigned long   offset;         /* current offset */
3582         int             sequence;       /* current CTIO sequence */
3583         int             ctio_cnt;       /* current # of ctio's outstanding */
3584         int
3585                 status_sent     : 1,
3586                 on_queue        : 1;    /* on restart queue */
3587 } ppd_t;
3588 /*
3589  * Each ATIO we allocate will have periph private data associated with it
3590  * that maintains per-command state. This private to each ATIO.
3591  */
3592 #define ATIO_PPD(ccb)           ((ppd_t *)(((struct ccb_hdr *)ccb)->ppriv_ptr0))
3593 /*
3594  * Each CTIO we send downstream will get a pointer to the ATIO itself
3595  * so that on completion we can retrieve that pointer.
3596  */
3597 #define ccb_atio                ppriv_ptr1
3598 #define ccb_inot                ppriv_ptr1
3599
3600 /*
3601  * Each CTIO we send downstream will contain a sequence number
3602  */
3603 #define CTIO_SEQ(ccb)           ccb->ccb_h.ppriv_field0
3604
3605 #define MAX_ISP_TARG_TRANSFER   (2 << 20)
3606 #define NISP_TARG_CMDS          64
3607 #define NISP_TARG_NOTIFIES      64
3608 #define DISK_SHIFT              9
3609 #define JUNK_SIZE               256
3610 #define MULTI_CCB_DATA_LIM      8192
3611 //#define       MULTI_CCB_DATA_CNT      64
3612 #define MULTI_CCB_DATA_CNT      8
3613
3614 extern u_int vm_kmem_size;
3615 static int ca;
3616 static uint32_t disk_size;
3617 static uint8_t *disk_data = NULL;
3618 static uint8_t *junk_data;
3619 static MALLOC_DEFINE(M_ISPTARG, "ISPTARG", "ISP TARGET data");
3620 struct isptarg_softc {
3621         /* CCBs (CTIOs, ATIOs, INOTs) pending on the controller */
3622         struct isp_ccbq         work_queue;
3623         struct isp_ccbq         rework_queue;
3624         struct isp_ccbq         running_queue;
3625         struct isp_ccbq         inot_queue;
3626         struct cam_periph       *periph;
3627         struct cam_path         *path;
3628         ispsoftc_t              *isp;
3629 };
3630 static periph_ctor_t    isptargctor;
3631 static periph_dtor_t    isptargdtor;
3632 static periph_start_t   isptargstart;
3633 static periph_init_t    isptarginit;
3634 static void             isptarg_done(struct cam_periph *, union ccb *);
3635 static void             isptargasync(void *, u_int32_t, struct cam_path *, void *);
3636
3637
3638 static int isptarg_rwparm(uint8_t *, uint8_t *, uint64_t, uint32_t, uint8_t **, uint32_t *, int *);
3639
3640 static struct periph_driver isptargdriver =
3641 {
3642         isptarginit, "isptarg", TAILQ_HEAD_INITIALIZER(isptargdriver.units), 0
3643 };
3644
3645 static void
3646 isptarginit(void)
3647 {
3648 }
3649
3650 static void
3651 isptargnotify(ispsoftc_t *isp, union ccb *iccb, struct ccb_immediate_notify *inot)
3652 {
3653         struct ccb_notify_acknowledge *ack = &iccb->cna2;
3654
3655         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: [0x%x] immediate notify for 0x%x from 0x%x status 0x%x arg 0x%x\n", __func__,
3656             inot->tag_id, inot->initiator_id, inot->seq_id, inot->ccb_h.status, inot->arg);
3657         ack->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE;
3658         ack->ccb_h.flags = 0;
3659         ack->ccb_h.retry_count = 0;
3660         ack->ccb_h.cbfcnp = isptarg_done;
3661         ack->ccb_h.timeout = 0;
3662         ack->ccb_h.ccb_inot = inot;
3663         ack->tag_id = inot->tag_id;
3664         ack->seq_id = inot->seq_id;
3665         ack->initiator_id = inot->initiator_id;
3666         xpt_action(iccb);
3667 }
3668
3669 static void
3670 isptargstart(struct cam_periph *periph, union ccb *iccb)
3671 {
3672         const uint8_t niliqd[SHORT_INQUIRY_LENGTH] = {
3673                 0x7f, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3674                 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3675                 'S', 'C', 'S', 'I', ' ', 'N', 'U', 'L',
3676                 'L', ' ', 'D', 'E', 'V', 'I', 'C', 'E',
3677                 '0', '0', '0', '1'
3678         };
3679         const uint8_t iqd[SHORT_INQUIRY_LENGTH] = {
3680                 0, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3681                 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3682                 'S', 'C', 'S', 'I', ' ', 'M', 'E', 'M',
3683                 'O', 'R', 'Y', ' ', 'D', 'I', 'S', 'K',
3684                 '0', '0', '0', '1'
3685         };
3686         int r, i, more = 0, last, is_data_cmd = 0, is_write;
3687         char *queue;
3688         struct isptarg_softc *softc = periph->softc;
3689         struct ccb_scsiio *csio;
3690         lun_id_t return_lun;
3691         struct ccb_accept_tio *atio;
3692         uint8_t *cdb, *ptr, status;
3693         uint8_t *data_ptr;
3694         uint32_t data_len, flags;
3695         struct ccb_hdr *ccbh;
3696
3697         mtx_assert(periph->sim->mtx, MA_OWNED);
3698         ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, iccb->ccb_h.path, "%s: function code 0x%x INOTQ=%c WORKQ=%c REWORKQ=%c\n", __func__, iccb->ccb_h.func_code,
3699             TAILQ_FIRST(&softc->inot_queue)? 'y' : 'n', TAILQ_FIRST(&softc->work_queue)? 'y' : 'n', TAILQ_FIRST(&softc->rework_queue)? 'y' : 'n');
3700         /*
3701          * Check for immediate notifies first
3702          */
3703         ccbh = TAILQ_FIRST(&softc->inot_queue);
3704         if (ccbh) {
3705                 TAILQ_REMOVE(&softc->inot_queue, ccbh, periph_links.tqe);
3706                 if (TAILQ_FIRST(&softc->inot_queue) || TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue)) {
3707                         xpt_schedule(periph, 1);
3708                 }
3709                 isptargnotify(softc->isp, iccb, (struct ccb_immediate_notify *)ccbh);
3710                 return;
3711         }
3712
3713         /*
3714          * Check the rework (continuation) work queue first.
3715          */
3716         ccbh = TAILQ_FIRST(&softc->rework_queue);
3717         if (ccbh) {
3718                 atio = (struct ccb_accept_tio *)ccbh;
3719                 TAILQ_REMOVE(&softc->rework_queue, ccbh, periph_links.tqe);
3720                 more = TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue);
3721                 queue = "rework";
3722         } else {
3723                 ccbh = TAILQ_FIRST(&softc->work_queue);
3724                 if (ccbh == NULL) {
3725                         xpt_release_ccb(iccb);
3726                         return;
3727                 }
3728                 atio = (struct ccb_accept_tio *)ccbh;
3729                 TAILQ_REMOVE(&softc->work_queue, ccbh, periph_links.tqe);
3730                 more = TAILQ_FIRST(&softc->work_queue) != NULL;
3731                 queue = "work";
3732         }
3733         ATIO_PPD(atio)->on_queue = 0;
3734
3735         if (atio->tag_id == 0xffffffff || atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) {
3736                 panic("BAD ATIO");
3737         }
3738
3739         data_len = is_write = 0;
3740         data_ptr = NULL;
3741         csio = &iccb->csio;
3742         status = SCSI_STATUS_OK;
3743         flags = CAM_SEND_STATUS;
3744         memset(&atio->sense_data, 0, sizeof (atio->sense_data));
3745         cdb = atio->cdb_io.cdb_bytes;
3746         ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, ccbh->path, "%s: [0x%x] processing ATIO from %s queue initiator 0x%x CDB=0x%x data_offset=%u\n", __func__, atio->tag_id,
3747             queue, atio->init_id, cdb[0], ATIO_PPD(atio)->offset);
3748
3749         return_lun = XS_LUN(atio);
3750         if (return_lun != 0) {
3751                 xpt_print(atio->ccb_h.path, "[0x%x] Non-Zero Lun %d: cdb0=0x%x\n", atio->tag_id, return_lun, cdb[0]);
3752                 if (cdb[0] != INQUIRY && cdb[0] != REPORT_LUNS && cdb[0] != REQUEST_SENSE) {
3753                         status = SCSI_STATUS_CHECK_COND;
3754                         SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3755                         SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3756                         SDFIXED(atio->sense_data)->add_sense_code = 0x25;       /* LOGICAL UNIT NOT SUPPORTED */
3757                         atio->sense_len = SSD_MIN_SIZE;
3758                 }
3759                 return_lun = CAM_LUN_WILDCARD;
3760         }
3761
3762         switch (cdb[0]) {
3763         case REQUEST_SENSE:
3764                 flags |= CAM_DIR_IN;
3765                 data_len = sizeof (atio->sense_data);
3766                 junk_data[0] = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_NO_SENSE;
3767                 memset(junk_data+1, 0, data_len-1);
3768                 if (data_len > cdb[4]) {
3769                         data_len = cdb[4];
3770                 }
3771                 if (data_len) {
3772                         data_ptr = junk_data;
3773                 }
3774                 break;
3775         case WRITE_6:
3776         case WRITE_10:
3777         case WRITE_12:
3778         case WRITE_16:
3779                 is_write = 1;
3780                 /* FALLTHROUGH */
3781         case READ_6:
3782         case READ_10:
3783         case READ_12:
3784         case READ_16:
3785                 is_data_cmd = 1;
3786                 r = isptarg_rwparm(cdb, disk_data, disk_size, ATIO_PPD(atio)->offset, &data_ptr, &data_len, &last);
3787                 if (r != 0) {
3788                         status = SCSI_STATUS_CHECK_COND;
3789                         SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3790                         SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3791                         if (r == -1) {
3792                                 SDFIXED(atio->sense_data)->add_sense_code = 0x21;       /* LOGICAL BLOCK ADDRESS OUT OF RANGE */
3793                         } else {
3794                                 SDFIXED(atio->sense_data)->add_sense_code = 0x20;       /* INVALID COMMAND OPERATION CODE */
3795                         }
3796                         atio->sense_len = SSD_MIN_SIZE;
3797                 } else {
3798 #ifdef  ISP_SEPARATE_STATUS
3799                         if (last && data_len) {
3800                                 last = 0;
3801                         }
3802 #endif
3803                         if (last == 0) {
3804                                 flags &= ~CAM_SEND_STATUS;
3805                         }
3806                         if (data_len) {
3807                                 ATIO_PPD(atio)->offset += data_len;
3808                                 if (is_write)
3809                                         flags |= CAM_DIR_OUT;
3810                                 else
3811                                         flags |= CAM_DIR_IN;
3812                         } else {
3813                                 flags |= CAM_DIR_NONE;
3814                         }
3815                 }
3816                 break;
3817         case INQUIRY:
3818                 flags |= CAM_DIR_IN;
3819                 if (cdb[1] || cdb[2] || cdb[3]) {
3820                         status = SCSI_STATUS_CHECK_COND;
3821                         SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3822                         SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION;
3823                         SDFIXED(atio->sense_data)->add_sense_code = 0x24;       /* INVALID FIELD IN CDB */
3824                         atio->sense_len = SSD_MIN_SIZE;
3825                         break;
3826                 }
3827                 data_len = sizeof (iqd);
3828                 if (data_len > cdb[4]) {
3829                         data_len = cdb[4];
3830                 }
3831                 if (data_len) {
3832                         if (XS_LUN(iccb) != 0) {
3833                                 memcpy(junk_data, niliqd, sizeof (iqd));
3834                         } else {
3835                                 memcpy(junk_data, iqd, sizeof (iqd));
3836                         }
3837                         data_ptr = junk_data;
3838                 }
3839                 break;
3840         case TEST_UNIT_READY:
3841                 flags |= CAM_DIR_NONE;
3842                 if (ca) {
3843                         ca = 0;
3844                         status = SCSI_STATUS_CHECK_COND;
3845                         SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3846                         SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION;
3847                         SDFIXED(atio->sense_data)->add_sense_code = 0x29;       /* POWER ON, RESET, OR BUS DEVICE RESET OCCURRED */
3848                         atio->sense_len = SSD_MIN_SIZE;
3849                 }
3850                 break;
3851         case SYNCHRONIZE_CACHE:
3852         case START_STOP:
3853         case RESERVE:
3854         case RELEASE:
3855         case VERIFY_10:
3856                 flags |= CAM_DIR_NONE;
3857                 break;
3858
3859         case READ_CAPACITY:
3860                 flags |= CAM_DIR_IN;
3861                 if (cdb[2] || cdb[3] || cdb[4] || cdb[5]) {
3862                         status = SCSI_STATUS_CHECK_COND;
3863                         SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3864                         SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3865                         SDFIXED(atio->sense_data)->add_sense_code =  0x24;      /* INVALID FIELD IN CDB */
3866                         atio->sense_len = SSD_MIN_SIZE;
3867                         break;
3868                 }
3869                 if (cdb[8] & 0x1) { /* PMI */
3870                         junk_data[0] = 0xff;
3871                         junk_data[1] = 0xff;
3872                         junk_data[2] = 0xff;
3873                         junk_data[3] = 0xff;
3874                 } else {
3875                         uint64_t last_blk = (disk_size >> DISK_SHIFT) - 1;
3876                         if (last_blk < 0xffffffffULL) {
3877                             junk_data[0] = (last_blk >> 24) & 0xff;
3878                             junk_data[1] = (last_blk >> 16) & 0xff;
3879                             junk_data[2] = (last_blk >>  8) & 0xff;
3880                             junk_data[3] = (last_blk) & 0xff;
3881                         } else {
3882                             junk_data[0] = 0xff;
3883                             junk_data[1] = 0xff;
3884                             junk_data[2] = 0xff;
3885                             junk_data[3] = 0xff;
3886                         }
3887                 }
3888                 junk_data[4] = ((1 << DISK_SHIFT) >> 24) & 0xff;
3889                 junk_data[5] = ((1 << DISK_SHIFT) >> 16) & 0xff;
3890                 junk_data[6] = ((1 << DISK_SHIFT) >>  8) & 0xff;
3891                 junk_data[7] = ((1 << DISK_SHIFT)) & 0xff;
3892                 data_ptr = junk_data;
3893                 data_len = 8;
3894                 break;
3895         case REPORT_LUNS:
3896                 flags |= CAM_DIR_IN;
3897                 memset(junk_data, 0, JUNK_SIZE);
3898                 junk_data[0] = (1 << 3) >> 24;
3899                 junk_data[1] = (1 << 3) >> 16;
3900                 junk_data[2] = (1 << 3) >> 8;
3901                 junk_data[3] = (1 << 3);
3902                 ptr = NULL;
3903                 for (i = 0; i < 1; i++) {
3904                         ptr = &junk_data[8 + (i << 3)];
3905                         if (i >= 256) {
3906                                 ptr[0] = 0x40 | ((i >> 8) & 0x3f);
3907                         }
3908                         ptr[1] = i;
3909                 }
3910                 data_ptr = junk_data;
3911                 data_len = (ptr + 8) - junk_data;
3912                 break;
3913
3914         default:
3915                 flags |= CAM_DIR_NONE;
3916                 status = SCSI_STATUS_CHECK_COND;
3917                 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3918                 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3919                 SDFIXED(atio->sense_data)->add_sense_code = 0x20;       /* INVALID COMMAND OPERATION CODE */
3920                 atio->sense_len = SSD_MIN_SIZE;
3921                 break;
3922         }
3923
3924         /*
3925          * If we are done with the transaction, tell the
3926          * controller to send status and perform a CMD_CMPLT.
3927          * If we have associated sense data, see if we can
3928          * send that too.
3929          */
3930         if (status == SCSI_STATUS_CHECK_COND) {
3931                 flags |= CAM_SEND_SENSE;
3932                 csio->sense_len = atio->sense_len;
3933                 csio->sense_data = atio->sense_data;
3934                 flags &= ~CAM_DIR_MASK;
3935                 data_len = 0;
3936                 data_ptr = NULL;
3937         }
3938         cam_fill_ctio(csio, 0, isptarg_done, flags, MSG_SIMPLE_Q_TAG, atio->tag_id, atio->init_id, status, data_ptr, data_len, 30 * hz);
3939         iccb->ccb_h.target_id = atio->ccb_h.target_id;
3940         iccb->ccb_h.target_lun = return_lun;
3941         iccb->ccb_h.ccb_atio = atio;
3942         CTIO_SEQ(iccb) = ATIO_PPD(atio)->sequence++;
3943         ATIO_PPD(atio)->ctio_cnt++;
3944         if (flags & CAM_SEND_STATUS) {
3945                 KASSERT((ATIO_PPD(atio)->status_sent == 0), ("we have already sent status for 0x%x in %s", atio->tag_id, __func__));
3946                 ATIO_PPD(atio)->status_sent = 1;
3947         }
3948         ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: sending downstream for  0x%x sequence %u len %u flags %x\n", __func__, atio->tag_id, CTIO_SEQ(iccb), data_len, flags);
3949         xpt_action(iccb);
3950
3951         if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3952                 cam_release_devq(periph->path, 0, 0, 0, 0);
3953                 atio->ccb_h.status &= ~CAM_DEV_QFRZN;
3954         }
3955 #ifdef  ISP_MULTI_CCBS
3956         if (is_data_cmd && ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->ctio_cnt < MULTI_CCB_DATA_CNT && ATIO_PPD(atio)->on_queue == 0) {
3957                 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: more still to do for 0x%x\n", __func__, atio->tag_id);
3958                 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
3959                 ATIO_PPD(atio)->on_queue = 1;
3960                 more = 1;
3961         }
3962 #endif
3963         if (more) {
3964                 xpt_schedule(periph, 1);
3965         }
3966 }
3967
3968 static cam_status
3969 isptargctor(struct cam_periph *periph, void *arg)
3970 {
3971         struct isptarg_softc *softc;
3972
3973         softc = (struct isptarg_softc *)arg;
3974         periph->softc = softc;
3975         softc->periph = periph;
3976         softc->path = periph->path;
3977         ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__);
3978         return (CAM_REQ_CMP);
3979 }
3980
3981 static void
3982 isptargdtor(struct cam_periph *periph)
3983 {
3984         struct isptarg_softc *softc;
3985         softc = (struct isptarg_softc *)periph->softc;
3986         ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__);
3987         softc->periph = NULL;
3988         softc->path = NULL;
3989         periph->softc = NULL;
3990 }
3991
3992 static void
3993 isptarg_done(struct cam_periph *periph, union ccb *ccb)
3994 {
3995         struct isptarg_softc *softc;
3996         ispsoftc_t *isp;
3997         uint32_t newoff;
3998         struct ccb_accept_tio *atio;
3999         struct ccb_immediate_notify *inot;
4000         cam_status status;
4001
4002         softc = (struct isptarg_softc *)periph->softc;
4003         isp = softc->isp;
4004         status = ccb->ccb_h.status & CAM_STATUS_MASK;
4005
4006         switch (ccb->ccb_h.func_code) {
4007         case XPT_ACCEPT_TARGET_IO:
4008                 atio = (struct ccb_accept_tio *) ccb;
4009                 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] ATIO seen in %s\n", atio->tag_id, __func__);
4010                 memset(ATIO_PPD(atio), 0, sizeof (ppd_t));
4011                 TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, periph_links.tqe);
4012                 ATIO_PPD(atio)->on_queue = 1;
4013                 xpt_schedule(periph, 1);
4014                 break;
4015         case XPT_IMMEDIATE_NOTIFY:
4016                 inot = (struct ccb_immediate_notify *) ccb;
4017                 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] INOT for 0x%x seen in %s\n", inot->tag_id, inot->seq_id, __func__);
4018                 TAILQ_INSERT_TAIL(&softc->inot_queue, &ccb->ccb_h, periph_links.tqe);
4019                 xpt_schedule(periph, 1);
4020                 break;
4021         case XPT_CONT_TARGET_IO:
4022                 atio = ccb->ccb_h.ccb_atio;
4023                 KASSERT((ATIO_PPD(atio)->ctio_cnt != 0), ("ctio zero when finishing a CTIO"));
4024                 ATIO_PPD(atio)->ctio_cnt--;
4025                 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4026                         switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
4027                         case CAM_MESSAGE_RECV:
4028                                 newoff = (ccb->csio.msg_ptr[3] << 24) | (ccb->csio.msg_ptr[4] << 16) | (ccb->csio.msg_ptr[5] << 8) | (ccb->csio.msg_ptr[6]);
4029                                 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "[0x%x] got message to return to reset offset to 0x%x at sequence %u\n", atio->tag_id, newoff, CTIO_SEQ(ccb));
4030                                 ATIO_PPD(atio)->offset = newoff;
4031                                 ATIO_PPD(atio)->status_sent = 0;
4032                                 if (ATIO_PPD(atio)->on_queue == 0) {
4033                                         TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
4034                                         ATIO_PPD(atio)->on_queue = 1;
4035                                 }
4036                                 xpt_schedule(periph, 1);
4037                                 break;
4038                         default:
4039                                 cam_error_print(ccb, CAM_ESF_ALL, CAM_EPF_ALL);
4040                                 xpt_action((union ccb *)atio);
4041                                 break;
4042                         }
4043                 } else if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
4044                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] MID CTIO sequence %u seen in %s\n", atio->tag_id, CTIO_SEQ(ccb), __func__);
4045                         if (ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->on_queue == 0) {
4046                                 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
4047                                 ATIO_PPD(atio)->on_queue = 1;
4048                         }
4049                         xpt_schedule(periph, 1);
4050                 } else {
4051                         KASSERT((ATIO_PPD(atio)->ctio_cnt == 0), ("ctio count still %d when we think we've sent the STATUS ctio", ATIO_PPD(atio)->ctio_cnt));
4052                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] FINAL CTIO sequence %u seen in %s\n", atio->tag_id, CTIO_SEQ(ccb), __func__);
4053                         xpt_action((union ccb *)atio);
4054                 }
4055                 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4056                         cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
4057                         ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
4058                 }
4059                 xpt_release_ccb(ccb);
4060                 break;
4061         case XPT_NOTIFY_ACKNOWLEDGE:
4062                 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4063                         cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
4064                         ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
4065                 }
4066                 inot = ccb->ccb_h.ccb_inot;
4067                 ISP_PATH_PRT(isp, ISP_LOGTDEBUG1, inot->ccb_h.path, "[0x%x] recycle notify for tag 0x%x\n", inot->tag_id, inot->seq_id);
4068                 xpt_release_ccb(ccb);
4069                 xpt_action((union ccb *)inot);
4070                 break;
4071         default:
4072                 xpt_print(ccb->ccb_h.path, "unexpected code 0x%x\n", ccb->ccb_h.func_code);
4073                 break;
4074         }
4075 }
4076
4077 static void
4078 isptargasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg)
4079 {
4080         struct ac_contract *acp = arg;
4081         struct ac_device_changed *fc = (struct ac_device_changed *) acp->contract_data;
4082
4083         if (code != AC_CONTRACT) {
4084                 return;
4085         }
4086         xpt_print(path, "0x%016llx Port ID 0x%06x %s\n", (unsigned long long) fc->wwpn, fc->port, fc->arrived? "arrived" : "departed");
4087 }
4088
4089 static void
4090 isp_target_thread(ispsoftc_t *isp, int chan)
4091 {
4092         union ccb *ccb = NULL;
4093         int i;
4094         void *wchan;
4095         cam_status status;
4096         struct isptarg_softc *softc = NULL;
4097         struct cam_periph *periph = NULL, *wperiph = NULL;
4098         struct cam_path *path, *wpath;
4099         struct cam_sim *sim;
4100
4101         if (disk_data == NULL) {
4102                 disk_size = roundup2(vm_kmem_size >> 1, (1ULL << 20));
4103                 if (disk_size < (50 << 20)) {
4104                         disk_size = 50 << 20;
4105                 }
4106                 disk_data = malloc(disk_size, M_ISPTARG, M_WAITOK | M_ZERO);
4107                 if (disk_data == NULL) {
4108                         isp_prt(isp, ISP_LOGERR, "%s: could not allocate disk data", __func__);
4109                         goto out;
4110                 }
4111                 isp_prt(isp, ISP_LOGINFO, "allocated a %ju MiB disk", (uintmax_t) (disk_size >> 20));
4112         }
4113         junk_data = malloc(JUNK_SIZE, M_ISPTARG, M_WAITOK | M_ZERO);
4114         if (junk_data == NULL) {
4115                 isp_prt(isp, ISP_LOGERR, "%s: could not allocate junk", __func__);
4116                 goto out;
4117         }
4118
4119
4120         softc = malloc(sizeof (*softc), M_ISPTARG, M_WAITOK | M_ZERO);
4121         if (softc == NULL) {
4122                 isp_prt(isp, ISP_LOGERR, "%s: could not allocate softc", __func__);
4123                 goto out;
4124         }
4125         TAILQ_INIT(&softc->work_queue);
4126         TAILQ_INIT(&softc->rework_queue);
4127         TAILQ_INIT(&softc->running_queue);
4128         TAILQ_INIT(&softc->inot_queue);
4129         softc->isp = isp;
4130
4131         periphdriver_register(&isptargdriver);
4132         ISP_GET_PC(isp, chan, sim, sim);
4133         ISP_GET_PC(isp, chan, path,  path);
4134         status = xpt_create_path_unlocked(&wpath, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
4135         if (status != CAM_REQ_CMP) {
4136                 isp_prt(isp, ISP_LOGERR, "%s: could not allocate wildcard path", __func__);
4137                 return;
4138         }
4139         status = xpt_create_path_unlocked(&path, NULL, cam_sim_path(sim), 0, 0);
4140         if (status != CAM_REQ_CMP) {
4141                 xpt_free_path(wpath);
4142                 isp_prt(isp, ISP_LOGERR, "%s: could not allocate path", __func__);
4143                 return;
4144         }
4145
4146         ISP_LOCK(isp);
4147         status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, wpath, NULL, 0, softc);
4148         if (status != CAM_REQ_CMP) {
4149                 ISP_UNLOCK(isp);
4150                 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc for wildcard failed", __func__);
4151                 goto out;
4152         }
4153         wperiph = cam_periph_find(wpath, "isptarg");
4154         if (wperiph == NULL) {
4155                 ISP_UNLOCK(isp);
4156                 isp_prt(isp, ISP_LOGERR, "%s: wildcard periph already allocated but doesn't exist", __func__);
4157                 goto out;
4158         }
4159
4160         status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, path, NULL, 0, softc);
4161         if (status != CAM_REQ_CMP) {
4162                 ISP_UNLOCK(isp);
4163                 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc failed", __func__);
4164                 goto out;
4165         }
4166
4167         periph = cam_periph_find(path, "isptarg");
4168         if (periph == NULL) {
4169                 ISP_UNLOCK(isp);
4170                 isp_prt(isp, ISP_LOGERR, "%s: periph already allocated but doesn't exist", __func__);
4171                 goto out;
4172         }
4173
4174         status = xpt_register_async(AC_CONTRACT, isptargasync, isp, wpath);
4175         if (status != CAM_REQ_CMP) {
4176                 ISP_UNLOCK(isp);
4177                 isp_prt(isp, ISP_LOGERR, "%s: xpt_register_async failed", __func__);
4178                 goto out;
4179         }
4180
4181         ISP_UNLOCK(isp);
4182
4183         ccb = xpt_alloc_ccb();
4184
4185         /*
4186          * Make sure role is none.
4187          */
4188         xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
4189         ccb->ccb_h.func_code = XPT_SET_SIM_KNOB;
4190         ccb->knob.xport_specific.fc.role = KNOB_ROLE_NONE;
4191         ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE;
4192
4193         ISP_LOCK(isp);
4194         xpt_action(ccb);
4195         ISP_UNLOCK(isp);
4196
4197         /*
4198          * Now enable luns
4199          */
4200         xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
4201         ccb->ccb_h.func_code = XPT_EN_LUN;
4202         ccb->cel.enable = 1;
4203         ISP_LOCK(isp);
4204         xpt_action(ccb);
4205         ISP_UNLOCK(isp);
4206         if (ccb->ccb_h.status != CAM_REQ_CMP) {
4207                 xpt_free_ccb(ccb);
4208                 xpt_print(periph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status);
4209                 goto out;
4210         }
4211
4212         xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 10);
4213         ccb->ccb_h.func_code = XPT_EN_LUN;
4214         ccb->cel.enable = 1;
4215         ISP_LOCK(isp);
4216         xpt_action(ccb);
4217         ISP_UNLOCK(isp);
4218         if (ccb->ccb_h.status != CAM_REQ_CMP) {
4219                 xpt_free_ccb(ccb);
4220                 xpt_print(wperiph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status);
4221                 goto out;
4222         }
4223         xpt_free_ccb(ccb);
4224
4225         /*
4226          * Add resources
4227          */
4228         ISP_GET_PC_ADDR(isp, chan, target_proc, wchan);
4229         for (i = 0; i < 4; i++) {
4230                 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
4231                 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1);
4232                 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
4233                 ccb->ccb_h.cbfcnp = isptarg_done;
4234                 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO);
4235                 ISP_LOCK(isp);
4236                 xpt_action(ccb);
4237                 ISP_UNLOCK(isp);
4238         }
4239         for (i = 0; i < NISP_TARG_CMDS; i++) {
4240                 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
4241                 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1);
4242                 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
4243                 ccb->ccb_h.cbfcnp = isptarg_done;
4244                 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO);
4245                 ISP_LOCK(isp);
4246                 xpt_action(ccb);
4247                 ISP_UNLOCK(isp);
4248         }
4249         for (i = 0; i < 4; i++) {
4250                 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
4251                 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1);
4252                 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY;
4253                 ccb->ccb_h.cbfcnp = isptarg_done;
4254                 ISP_LOCK(isp);
4255                 xpt_action(ccb);
4256                 ISP_UNLOCK(isp);
4257         }
4258         for (i = 0; i < NISP_TARG_NOTIFIES; i++) {
4259                 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
4260                 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1);
4261                 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY;
4262                 ccb->ccb_h.cbfcnp = isptarg_done;
4263                 ISP_LOCK(isp);
4264                 xpt_action(ccb);
4265                 ISP_UNLOCK(isp);
4266         }
4267
4268         /*
4269          * Now turn it all back on
4270          */
4271         xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
4272         ccb->ccb_h.func_code = XPT_SET_SIM_KNOB;
4273         ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE;
4274         ccb->knob.xport_specific.fc.role = KNOB_ROLE_TARGET;
4275         ISP_LOCK(isp);
4276         xpt_action(ccb);
4277         ISP_UNLOCK(isp);
4278
4279         /*
4280          * Okay, while things are still active, sleep...
4281          */
4282         ISP_LOCK(isp);
4283         for (;;) {
4284                 ISP_GET_PC(isp, chan, proc_active, i);
4285                 if (i == 0) {
4286                         break;
4287                 }
4288                 msleep(wchan, &isp->isp_lock, PUSER, "tsnooze", 0);
4289         }
4290         ISP_UNLOCK(isp);
4291
4292 out:
4293         if (wperiph) {
4294                 cam_periph_invalidate(wperiph);
4295         }
4296         if (periph) {
4297                 cam_periph_invalidate(periph);
4298         }
4299         if (junk_data) {
4300                 free(junk_data, M_ISPTARG);
4301         }
4302         if (disk_data) {
4303                 free(disk_data, M_ISPTARG);
4304         }
4305         if (softc) {
4306                 free(softc, M_ISPTARG);
4307         }
4308         xpt_free_path(path);
4309         xpt_free_path(wpath);
4310 }
4311
4312 static void
4313 isp_target_thread_pi(void *arg)
4314 {
4315         struct isp_spi *pi = arg;
4316         isp_target_thread(cam_sim_softc(pi->sim), cam_sim_bus(pi->sim));
4317 }
4318
4319 static void
4320 isp_target_thread_fc(void *arg)
4321 {
4322         struct isp_fc *fc = arg;
4323         isp_target_thread(cam_sim_softc(fc->sim), cam_sim_bus(fc->sim));
4324 }
4325
4326 static int
4327 isptarg_rwparm(uint8_t *cdb, uint8_t *dp, uint64_t dl, uint32_t offset, uint8_t **kp, uint32_t *tl, int *lp)
4328 {
4329         uint32_t cnt, curcnt;
4330         uint64_t lba;
4331
4332         switch (cdb[0]) {
4333         case WRITE_16:
4334         case READ_16:
4335                 cnt =   (((uint32_t)cdb[10]) <<  24) |
4336                         (((uint32_t)cdb[11]) <<  16) |
4337                         (((uint32_t)cdb[12]) <<   8) |
4338                         ((uint32_t)cdb[13]);
4339
4340                 lba =   (((uint64_t)cdb[2]) << 56) |
4341                         (((uint64_t)cdb[3]) << 48) |
4342                         (((uint64_t)cdb[4]) << 40) |
4343                         (((uint64_t)cdb[5]) << 32) |
4344                         (((uint64_t)cdb[6]) << 24) |
4345                         (((uint64_t)cdb[7]) << 16) |
4346                         (((uint64_t)cdb[8]) <<  8) |
4347                         ((uint64_t)cdb[9]);
4348                 break;
4349         case WRITE_12:
4350         case READ_12:
4351                 cnt =   (((uint32_t)cdb[6]) <<  16) |
4352                         (((uint32_t)cdb[7]) <<   8) |
4353                         ((u_int32_t)cdb[8]);
4354
4355                 lba =   (((uint32_t)cdb[2]) << 24) |
4356                         (((uint32_t)cdb[3]) << 16) |
4357                         (((uint32_t)cdb[4]) <<  8) |
4358                         ((uint32_t)cdb[5]);
4359                 break;
4360         case WRITE_10:
4361         case READ_10:
4362                 cnt =   (((uint32_t)cdb[7]) <<  8) |
4363                         ((u_int32_t)cdb[8]);
4364
4365                 lba =   (((uint32_t)cdb[2]) << 24) |
4366                         (((uint32_t)cdb[3]) << 16) |
4367                         (((uint32_t)cdb[4]) <<  8) |
4368                         ((uint32_t)cdb[5]);
4369                 break;
4370         case WRITE_6:
4371         case READ_6:
4372                 cnt = cdb[4];
4373                 if (cnt == 0) {
4374                         cnt = 256;
4375                 }
4376                 lba =   (((uint32_t)cdb[1] & 0x1f) << 16) |
4377                         (((uint32_t)cdb[2]) << 8) |
4378                         ((uint32_t)cdb[3]);
4379                 break;
4380         default:
4381                 return (-1);
4382         }
4383
4384         cnt <<= DISK_SHIFT;
4385         lba <<= DISK_SHIFT;
4386
4387         if (offset == cnt) {
4388                 *lp = 1;
4389                 return (0);
4390         }
4391
4392         if (lba + cnt > dl) {
4393                 return (-2);
4394         }
4395
4396         curcnt = MAX_ISP_TARG_TRANSFER;
4397         if (offset + curcnt >= cnt) {
4398                 curcnt = cnt - offset;
4399                 *lp = 1;
4400         } else {
4401                 *lp = 0;
4402         }
4403 #ifdef  ISP_MULTI_CCBS
4404         if (curcnt > MULTI_CCB_DATA_LIM)
4405                 curcnt = MULTI_CCB_DATA_LIM;
4406 #endif
4407         *tl = curcnt;
4408         *kp = &dp[lba + offset];
4409         return (0);
4410 }
4411
4412 #endif
4413 #endif
4414
4415 static void
4416 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
4417 {
4418         struct cam_sim *sim;
4419         int bus, tgt;
4420         ispsoftc_t *isp;
4421
4422         sim = (struct cam_sim *)cbarg;
4423         isp = (ispsoftc_t *) cam_sim_softc(sim);
4424         bus = cam_sim_bus(sim);
4425         tgt = xpt_path_target_id(path);
4426
4427         switch (code) {
4428         case AC_LOST_DEVICE:
4429                 if (IS_SCSI(isp)) {
4430                         uint16_t oflags, nflags;
4431                         sdparam *sdp = SDPARAM(isp, bus);
4432
4433                         if (tgt >= 0) {
4434                                 nflags = sdp->isp_devparam[tgt].nvrm_flags;
4435 #ifndef ISP_TARGET_MODE
4436                                 nflags &= DPARM_SAFE_DFLT;
4437                                 if (isp->isp_loaded_fw) {
4438                                         nflags |= DPARM_NARROW | DPARM_ASYNC;
4439                                 }
4440 #else
4441                                 nflags = DPARM_DEFAULT;
4442 #endif
4443                                 oflags = sdp->isp_devparam[tgt].goal_flags;
4444                                 sdp->isp_devparam[tgt].goal_flags = nflags;
4445                                 sdp->isp_devparam[tgt].dev_update = 1;
4446                                 sdp->update = 1;
4447                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
4448                                 sdp->isp_devparam[tgt].goal_flags = oflags;
4449                         }
4450                 }
4451                 break;
4452         default:
4453                 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
4454                 break;
4455         }
4456 }
4457
4458 static void
4459 isp_poll(struct cam_sim *sim)
4460 {
4461         ispsoftc_t *isp = cam_sim_softc(sim);
4462         uint32_t isr;
4463         uint16_t sema, mbox;
4464
4465         if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
4466                 isp_intr(isp, isr, sema, mbox);
4467         }
4468 }
4469
4470
4471 static void
4472 isp_watchdog(void *arg)
4473 {
4474         struct ccb_scsiio *xs = arg;
4475         ispsoftc_t *isp;
4476         uint32_t ohandle = ISP_HANDLE_FREE, handle;
4477
4478         isp = XS_ISP(xs);
4479
4480         handle = isp_find_handle(isp, xs);
4481
4482         /*
4483          * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
4484          */
4485         if (handle != ISP_HANDLE_FREE) {
4486                 uint32_t isr;
4487                 uint16_t sema, mbox;
4488                 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) != 0) {
4489                         isp_intr(isp, isr, sema, mbox);
4490                 }
4491                 ohandle = handle;
4492                 handle = isp_find_handle(isp, xs);
4493         }
4494         if (handle != ISP_HANDLE_FREE) {
4495                 /*
4496                  * Try and make sure the command is really dead before
4497                  * we release the handle (and DMA resources) for reuse.
4498                  *
4499                  * If we are successful in aborting the command then
4500                  * we're done here because we'll get the command returned
4501                  * back separately.
4502                  */
4503                 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
4504                         return;
4505                 }
4506
4507                 /*
4508                  * Note that after calling the above, the command may in
4509                  * fact have been completed.
4510                  */
4511                 xs = isp_find_xs(isp, handle);
4512
4513                 /*
4514                  * If the command no longer exists, then we won't
4515                  * be able to find the xs again with this handle.
4516                  */
4517                 if (xs == NULL) {
4518                         return;
4519                 }
4520
4521                 /*
4522                  * After this point, the command is really dead.
4523                  */
4524                 if (XS_XFRLEN(xs)) {
4525                         ISP_DMAFREE(isp, xs, handle);
4526                 }
4527                 isp_destroy_handle(isp, handle);
4528                 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
4529                 xs->ccb_h.status &= ~CAM_STATUS_MASK;
4530                 xs->ccb_h.status |= CAM_CMD_TIMEOUT;
4531                 isp_prt_endcmd(isp, xs);
4532                 isp_done(xs);
4533         } else {
4534                 if (ohandle != ISP_HANDLE_FREE) {
4535                         isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
4536                 } else {
4537                         isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
4538                 }
4539         }
4540 }
4541
4542 static void
4543 isp_make_here(ispsoftc_t *isp, int chan, int tgt)
4544 {
4545         union ccb *ccb;
4546         struct isp_fc *fc = ISP_FC_PC(isp, chan);
4547
4548         if (isp_autoconfig == 0) {
4549                 return;
4550         }
4551
4552         /*
4553          * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
4554          */
4555         ccb = xpt_alloc_ccb_nowait();
4556         if (ccb == NULL) {
4557                 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
4558                 return;
4559         }
4560         if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
4561             tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
4562                 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
4563                 xpt_free_ccb(ccb);
4564                 return;
4565         }
4566         xpt_rescan(ccb);
4567 }
4568
4569 static void
4570 isp_make_gone(ispsoftc_t *isp, int chan, int tgt)
4571 {
4572         struct cam_path *tp;
4573         struct isp_fc *fc = ISP_FC_PC(isp, chan);
4574
4575         if (isp_autoconfig == 0) {
4576                 return;
4577         }
4578         if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
4579                 xpt_async(AC_LOST_DEVICE, tp, NULL);
4580                 xpt_free_path(tp);
4581         }
4582 }
4583
4584 /*
4585  * Gone Device Timer Function- when we have decided that a device has gone
4586  * away, we wait a specific period of time prior to telling the OS it has
4587  * gone away.
4588  *
4589  * This timer function fires once a second and then scans the port database
4590  * for devices that are marked dead but still have a virtual target assigned.
4591  * We decrement a counter for that port database entry, and when it hits zero,
4592  * we tell the OS the device has gone away.
4593  */
4594 static void
4595 isp_gdt(void *arg)
4596 {
4597         struct isp_fc *fc = arg;
4598         taskqueue_enqueue(taskqueue_thread, &fc->gtask);
4599 }
4600
4601 static void
4602 isp_gdt_task(void *arg, int pending)
4603 {
4604         struct isp_fc *fc = arg;
4605         ispsoftc_t *isp = fc->isp;
4606         int chan = fc - isp->isp_osinfo.pc.fc;
4607         fcportdb_t *lp;
4608         int dbidx, tgt, more_to_do = 0;
4609
4610         ISP_LOCK(isp);
4611         isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
4612         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4613                 lp = &FCPARAM(isp, chan)->portdb[dbidx];
4614
4615                 if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
4616                         continue;
4617                 }
4618                 if (lp->dev_map_idx == 0 || lp->target_mode) {
4619                         continue;
4620                 }
4621                 if (lp->gone_timer != 0) {
4622                         isp_prt(isp, ISP_LOG_SANCFG, "%s: Chan %d more to do for target %u (timer=%u)", __func__, chan, lp->dev_map_idx - 1, lp->gone_timer);
4623                         lp->gone_timer -= 1;
4624                         more_to_do++;
4625                         continue;
4626                 }
4627                 tgt = lp->dev_map_idx - 1;
4628                 FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4629                 lp->dev_map_idx = 0;
4630                 lp->state = FC_PORTDB_STATE_NIL;
4631                 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Gone Device Timeout");
4632                 isp_make_gone(isp, chan, tgt);
4633         }
4634         if (fc->ready) {
4635                 if (more_to_do) {
4636                         callout_reset(&fc->gdt, hz, isp_gdt, fc);
4637                 } else {
4638                         callout_deactivate(&fc->gdt);
4639                         isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
4640                 }
4641         }
4642         ISP_UNLOCK(isp);
4643 }
4644
4645 /*
4646  * Loop Down Timer Function- when loop goes down, a timer is started and
4647  * and after it expires we come here and take all probational devices that
4648  * the OS knows about and the tell the OS that they've gone away.
4649  *
4650  * We don't clear the devices out of our port database because, when loop
4651  * come back up, we have to do some actual cleanup with the chip at that
4652  * point (implicit PLOGO, e.g., to get the chip's port database state right).
4653  */
4654 static void
4655 isp_ldt(void *arg)
4656 {
4657         struct isp_fc *fc = arg;
4658         taskqueue_enqueue(taskqueue_thread, &fc->ltask);
4659 }
4660
4661 static void
4662 isp_ldt_task(void *arg, int pending)
4663 {
4664         struct isp_fc *fc = arg;
4665         ispsoftc_t *isp = fc->isp;
4666         int chan = fc - isp->isp_osinfo.pc.fc;
4667         fcportdb_t *lp;
4668         int dbidx, tgt, i;
4669
4670         ISP_LOCK(isp);
4671         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_uptime);
4672         callout_deactivate(&fc->ldt);
4673
4674         /*
4675          * Notify to the OS all targets who we now consider have departed.
4676          */
4677         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4678                 lp = &FCPARAM(isp, chan)->portdb[dbidx];
4679
4680                 if (lp->state != FC_PORTDB_STATE_PROBATIONAL) {
4681                         continue;
4682                 }
4683                 if (lp->dev_map_idx == 0 || lp->target_mode) {
4684                         continue;
4685                 }
4686
4687                 /*
4688                  * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
4689                  */
4690
4691
4692                 for (i = 0; i < isp->isp_maxcmds; i++) {
4693                         struct ccb_scsiio *xs;
4694
4695                         if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) {
4696                                 continue;
4697                         }
4698                         if ((xs = isp->isp_xflist[i].cmd) == NULL) {
4699                                 continue;
4700                         }
4701                         if (dbidx != (FCPARAM(isp, chan)->isp_dev_map[XS_TGT(xs)] - 1)) {
4702                                 continue;
4703                         }
4704                         isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%d orphaned by loop down timeout",
4705                             isp->isp_xflist[i].handle, chan, XS_TGT(xs), XS_LUN(xs));
4706                 }
4707
4708                 /*
4709                  * Mark that we've announced that this device is gone....
4710                  */
4711                 lp->announced = 1;
4712
4713                 /*
4714                  * but *don't* change the state of the entry. Just clear
4715                  * any target id stuff and announce to CAM that the
4716                  * device is gone. This way any necessary PLOGO stuff
4717                  * will happen when loop comes back up.
4718                  */
4719
4720                 tgt = lp->dev_map_idx - 1;
4721                 FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4722                 lp->dev_map_idx = 0;
4723                 lp->state = FC_PORTDB_STATE_NIL;
4724                 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Loop Down Timeout");
4725                 isp_make_gone(isp, chan, tgt);
4726         }
4727
4728         if (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR) {
4729                 isp_unfreeze_loopdown(isp, chan);
4730         }
4731         /*
4732          * The loop down timer has expired. Wake up the kthread
4733          * to notice that fact (or make it false).
4734          */
4735         fc->loop_dead = 1;
4736         fc->loop_down_time = fc->loop_down_limit+1;
4737         wakeup(fc);
4738         ISP_UNLOCK(isp);
4739 }
4740
4741 static void
4742 isp_kthread(void *arg)
4743 {
4744         struct isp_fc *fc = arg;
4745         ispsoftc_t *isp = fc->isp;
4746         int chan = fc - isp->isp_osinfo.pc.fc;
4747         int slp = 0;
4748
4749         mtx_lock(&isp->isp_osinfo.lock);
4750
4751         for (;;) {
4752                 int lb, lim;
4753
4754                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan);
4755                 lb = isp_fc_runstate(isp, chan, 250000);
4756
4757                 /*
4758                  * Our action is different based upon whether we're supporting
4759                  * Initiator mode or not. If we are, we might freeze the simq
4760                  * when loop is down and set all sorts of different delays to
4761                  * check again.
4762                  *
4763                  * If not, we simply just wait for loop to come up.
4764                  */
4765                 if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) {
4766                         /*
4767                          * Increment loop down time by the last sleep interval
4768                          */
4769                         fc->loop_down_time += slp;
4770
4771                         if (lb < 0) {
4772                                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time);
4773                         } else {
4774                                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC got to %d (down count %d)", __func__, chan, lb, fc->loop_down_time);
4775                         }
4776
4777                         /*
4778                          * If we've never seen loop up and we've waited longer
4779                          * than quickboot time, or we've seen loop up but we've
4780                          * waited longer than loop_down_limit, give up and go
4781                          * to sleep until loop comes up.
4782                          */
4783                         if (FCPARAM(isp, chan)->loop_seen_once == 0) {
4784                                 lim = isp_quickboot_time;
4785                         } else {
4786                                 lim = fc->loop_down_limit;
4787                         }
4788                         if (fc->loop_down_time >= lim) {
4789                                 isp_freeze_loopdown(isp, chan, "loop limit hit");
4790                                 slp = 0;
4791                         } else if (fc->loop_down_time < 10) {
4792                                 slp = 1;
4793                         } else if (fc->loop_down_time < 30) {
4794                                 slp = 5;
4795                         } else if (fc->loop_down_time < 60) {
4796                                 slp = 10;
4797                         } else if (fc->loop_down_time < 120) {
4798                                 slp = 20;
4799                         } else {
4800                                 slp = 30;
4801                         }
4802
4803                 } else if (lb) {
4804                         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan);
4805                         fc->loop_down_time += slp;
4806                         if (fc->loop_down_time > 300)
4807                                 slp = 0;
4808                         else
4809                                 slp = 60;
4810                 } else {
4811                         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan);
4812                         fc->loop_down_time = 0;
4813                         slp = 0;
4814                 }
4815
4816
4817                 /*
4818                  * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it
4819                  * now so that CAM can start sending us commands.
4820                  *
4821                  * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again
4822                  * or kill the commands, as appropriate.
4823                  */
4824
4825                 if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) {
4826                         isp_unfreeze_loopdown(isp, chan);
4827                 }
4828
4829                 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp);
4830
4831                 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz);
4832
4833                 /*
4834                  * If slp is zero, we're waking up for the first time after
4835                  * things have been okay. In this case, we set a deferral state
4836                  * for all commands and delay hysteresis seconds before starting
4837                  * the FC state evaluation. This gives the loop/fabric a chance
4838                  * to settle.
4839                  */
4840                 if (slp == 0 && fc->hysteresis) {
4841                         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz);
4842                         mtx_unlock(&isp->isp_osinfo.lock);
4843                         pause("ispt", fc->hysteresis * hz);
4844                         mtx_lock(&isp->isp_osinfo.lock);
4845                 }
4846         }
4847         mtx_unlock(&isp->isp_osinfo.lock);
4848 }
4849
4850 static void
4851 isp_action(struct cam_sim *sim, union ccb *ccb)
4852 {
4853         int bus, tgt, ts, error, lim;
4854         ispsoftc_t *isp;
4855         struct ccb_trans_settings *cts;
4856
4857         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
4858
4859         isp = (ispsoftc_t *)cam_sim_softc(sim);
4860         mtx_assert(&isp->isp_lock, MA_OWNED);
4861
4862         if (isp->isp_state != ISP_RUNSTATE && ccb->ccb_h.func_code == XPT_SCSI_IO) {
4863                 isp_init(isp);
4864                 if (isp->isp_state != ISP_INITSTATE) {
4865                         /*
4866                          * Lie. Say it was a selection timeout.
4867                          */
4868                         ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN;
4869                         xpt_freeze_devq(ccb->ccb_h.path, 1);
4870                         xpt_done(ccb);
4871                         return;
4872                 }
4873                 isp->isp_state = ISP_RUNSTATE;
4874         }
4875         isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
4876         ISP_PCMD(ccb) = NULL;
4877
4878         switch (ccb->ccb_h.func_code) {
4879         case XPT_SCSI_IO:       /* Execute the requested I/O operation */
4880                 bus = XS_CHANNEL(ccb);
4881                 /*
4882                  * Do a couple of preliminary checks...
4883                  */
4884                 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
4885                         if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
4886                                 ccb->ccb_h.status = CAM_REQ_INVALID;
4887                                 xpt_done(ccb);
4888                                 break;
4889                         }
4890                 }
4891                 ccb->csio.req_map = NULL;
4892 #ifdef  DIAGNOSTIC
4893                 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) {
4894                         xpt_print(ccb->ccb_h.path, "invalid target\n");
4895                         ccb->ccb_h.status = CAM_PATH_INVALID;
4896                 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) {
4897                         xpt_print(ccb->ccb_h.path, "invalid lun\n");
4898                         ccb->ccb_h.status = CAM_PATH_INVALID;
4899                 }
4900                 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
4901                         xpt_done(ccb);
4902                         break;
4903                 }
4904 #endif
4905                 ccb->csio.scsi_status = SCSI_STATUS_OK;
4906                 if (isp_get_pcmd(isp, ccb)) {
4907                         isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
4908                         cam_freeze_devq(ccb->ccb_h.path);
4909                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
4910                         xpt_done(ccb);
4911                         break;
4912                 }
4913                 error = isp_start((XS_T *) ccb);
4914                 switch (error) {
4915                 case CMD_QUEUED:
4916                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
4917                         if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
4918                                 break;
4919                         }
4920                         ts = ccb->ccb_h.timeout;
4921                         if (ts == CAM_TIME_DEFAULT) {
4922                                 ts = 60*1000;
4923                         }
4924                         ts = isp_mstohz(ts);
4925                         callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
4926                         break;
4927                 case CMD_RQLATER:
4928                         /*
4929                          * We get this result for FC devices if the loop state isn't ready yet
4930                          * or if the device in question has gone zombie on us.
4931                          *
4932                          * If we've never seen Loop UP at all, we requeue this request and wait
4933                          * for the initial loop up delay to expire.
4934                          */
4935                         lim = ISP_FC_PC(isp, bus)->loop_down_limit;
4936                         if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) {
4937                                 if (FCPARAM(isp, bus)->loop_seen_once == 0) {
4938                                         isp_prt(isp, ISP_LOGDEBUG0, "%d.%d loop not seen yet @ %lu", XS_TGT(ccb), XS_LUN(ccb), (unsigned long) time_uptime);
4939                                 } else {
4940                                         isp_prt(isp, ISP_LOGDEBUG0, "%d.%d downtime (%d) > lim (%d)", XS_TGT(ccb), XS_LUN(ccb), ISP_FC_PC(isp, bus)->loop_down_time, lim);
4941                                 }
4942                                 ccb->ccb_h.status = CAM_SEL_TIMEOUT|CAM_DEV_QFRZN;
4943                                 xpt_freeze_devq(ccb->ccb_h.path, 1);
4944                                 isp_free_pcmd(isp, ccb);
4945                                 xpt_done(ccb);
4946                                 break;
4947                         }
4948                         isp_prt(isp, ISP_LOGDEBUG0, "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb));
4949                         cam_freeze_devq(ccb->ccb_h.path);
4950                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
4951                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
4952                         isp_free_pcmd(isp, ccb);
4953                         xpt_done(ccb);
4954                         break;
4955                 case CMD_EAGAIN:
4956                         isp_free_pcmd(isp, ccb);
4957                         cam_freeze_devq(ccb->ccb_h.path);
4958                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
4959                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
4960                         xpt_done(ccb);
4961                         break;
4962                 case CMD_COMPLETE:
4963                         isp_done((struct ccb_scsiio *) ccb);
4964                         break;
4965                 default:
4966                         isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
4967                         ccb->ccb_h.status = CAM_REQUEUE_REQ;
4968                         isp_free_pcmd(isp, ccb);
4969                         xpt_done(ccb);
4970                 }
4971                 break;
4972
4973 #ifdef  ISP_TARGET_MODE
4974         case XPT_EN_LUN:                /* Enable/Disable LUN as a target */
4975                 if (ccb->cel.enable) {
4976                         isp_enable_lun(isp, ccb);
4977                 } else {
4978                         isp_disable_lun(isp, ccb);
4979                 }
4980                 break;
4981         case XPT_IMMED_NOTIFY:
4982         case XPT_IMMEDIATE_NOTIFY:      /* Add Immediate Notify Resource */
4983         case XPT_ACCEPT_TARGET_IO:      /* Add Accept Target IO Resource */
4984         {
4985                 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
4986                 if (tptr == NULL) {
4987                         tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
4988                 }
4989                 if (tptr == NULL) {
4990                         const char *str;
4991                         uint32_t tag;
4992
4993                         if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
4994                                 str = "XPT_IMMEDIATE_NOTIFY";
4995                                 tag = ccb->cin1.seq_id;
4996                         } else {
4997                                 tag = ccb->atio.tag_id;
4998                                 str = "XPT_ACCEPT_TARGET_IO";
4999                         }
5000                         ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str);
5001                         dump_tstates(isp, XS_CHANNEL(ccb));
5002                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
5003                         break;
5004                 }
5005                 ccb->ccb_h.spriv_field0 = 0;
5006                 ccb->ccb_h.spriv_ptr1 = isp;
5007
5008                 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
5009                         if (ccb->atio.tag_id) {
5010                                 atio_private_data_t *atp = isp_find_atpd(isp, tptr, ccb->atio.tag_id);
5011                                 if (atp) {
5012                                         isp_put_atpd(isp, tptr, atp);
5013                                 }
5014                         }
5015                         tptr->atio_count++;
5016                         SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
5017                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n",
5018                             ccb->atio.tag_id, tptr->atio_count);
5019                         ccb->atio.tag_id = 0;
5020                 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
5021                         if (ccb->cin1.tag_id) {
5022                                 inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id);
5023                                 if (ntp) {
5024                                         isp_put_ntpd(isp, tptr, ntp);
5025                                 }
5026                         }
5027                         tptr->inot_count++;
5028                         SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
5029                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
5030                             ccb->cin1.seq_id, tptr->inot_count);
5031                         ccb->cin1.seq_id = 0;
5032                 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
5033                         tptr->inot_count++;
5034                         SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
5035                         ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
5036                             ccb->cin1.seq_id, tptr->inot_count);
5037                         ccb->cin1.seq_id = 0;
5038                 }
5039                 rls_lun_statep(isp, tptr);
5040                 ccb->ccb_h.status = CAM_REQ_INPROG;
5041                 break;
5042         }
5043         case XPT_NOTIFY_ACK:
5044                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5045                 break;
5046         case XPT_NOTIFY_ACKNOWLEDGE:            /* notify ack */
5047         {
5048                 tstate_t *tptr;
5049                 inot_private_data_t *ntp;
5050
5051                 /*
5052                  * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
5053                  * XXX: matches that for the immediate notify, we have to *search* for the notify structure
5054                  */
5055                 /*
5056                  * All the relevant path information is in the associated immediate notify
5057                  */
5058                 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);
5059                 ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr);
5060                 if (ntp == NULL) {
5061                         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__,
5062                              ccb->cna2.tag_id, ccb->cna2.seq_id);
5063                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
5064                         xpt_done(ccb);
5065                         break;
5066                 }
5067                 if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) {
5068                         rls_lun_statep(isp, tptr);
5069                         cam_freeze_devq(ccb->ccb_h.path);
5070                         cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
5071                         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
5072                         ccb->ccb_h.status |= CAM_REQUEUE_REQ;
5073                         break;
5074                 }
5075                 isp_put_ntpd(isp, tptr, ntp);
5076                 rls_lun_statep(isp, tptr);
5077                 ccb->ccb_h.status = CAM_REQ_CMP;
5078                 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);
5079                 xpt_done(ccb);
5080                 break;
5081         }
5082         case XPT_CONT_TARGET_IO:
5083                 isp_target_start_ctio(isp, ccb, FROM_CAM);
5084                 break;
5085 #endif
5086         case XPT_RESET_DEV:             /* BDR the specified SCSI device */
5087
5088                 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
5089                 tgt = ccb->ccb_h.target_id;
5090                 tgt |= (bus << 16);
5091
5092                 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
5093                 if (error) {
5094                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5095                 } else {
5096                         ccb->ccb_h.status = CAM_REQ_CMP;
5097                 }
5098                 xpt_done(ccb);
5099                 break;
5100         case XPT_ABORT:                 /* Abort the specified CCB */
5101         {
5102                 union ccb *accb = ccb->cab.abort_ccb;
5103                 switch (accb->ccb_h.func_code) {
5104 #ifdef  ISP_TARGET_MODE
5105                 case XPT_ACCEPT_TARGET_IO:
5106                         isp_target_mark_aborted(isp, ccb);
5107                         break;
5108 #endif
5109                 case XPT_SCSI_IO:
5110                         error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
5111                         if (error) {
5112                                 ccb->ccb_h.status = CAM_UA_ABORT;
5113                         } else {
5114                                 ccb->ccb_h.status = CAM_REQ_CMP;
5115                         }
5116                         break;
5117                 default:
5118                         ccb->ccb_h.status = CAM_REQ_INVALID;
5119                         break;
5120                 }
5121                 /*
5122                  * This is not a queued CCB, so the caller expects it to be
5123                  * complete when control is returned.
5124                  */
5125                 break;
5126         }
5127 #define IS_CURRENT_SETTINGS(c)  (c->type == CTS_TYPE_CURRENT_SETTINGS)
5128         case XPT_SET_TRAN_SETTINGS:     /* Nexus Settings */
5129                 cts = &ccb->cts;
5130                 if (!IS_CURRENT_SETTINGS(cts)) {
5131                         ccb->ccb_h.status = CAM_REQ_INVALID;
5132                         xpt_done(ccb);
5133                         break;
5134                 }
5135                 tgt = cts->ccb_h.target_id;
5136                 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
5137                 if (IS_SCSI(isp)) {
5138                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
5139                         struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
5140                         sdparam *sdp = SDPARAM(isp, bus);
5141                         uint16_t *dptr;
5142
5143                         if (spi->valid == 0 && scsi->valid == 0) {
5144                                 ccb->ccb_h.status = CAM_REQ_CMP;
5145                                 xpt_done(ccb);
5146                                 break;
5147                         }
5148
5149                         /*
5150                          * We always update (internally) from goal_flags
5151                          * so any request to change settings just gets
5152                          * vectored to that location.
5153                          */
5154                         dptr = &sdp->isp_devparam[tgt].goal_flags;
5155
5156                         if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
5157                                 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
5158                                         *dptr |= DPARM_DISC;
5159                                 else
5160                                         *dptr &= ~DPARM_DISC;
5161                         }
5162
5163                         if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
5164                                 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
5165                                         *dptr |= DPARM_TQING;
5166                                 else
5167                                         *dptr &= ~DPARM_TQING;
5168                         }
5169
5170                         if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
5171                                 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
5172                                         *dptr |= DPARM_WIDE;
5173                                 else
5174                                         *dptr &= ~DPARM_WIDE;
5175                         }
5176
5177                         /*
5178                          * XXX: FIX ME
5179                          */
5180                         if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
5181                                 *dptr |= DPARM_SYNC;
5182                                 /*
5183                                  * XXX: CHECK FOR LEGALITY
5184                                  */
5185                                 sdp->isp_devparam[tgt].goal_period = spi->sync_period;
5186                                 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
5187                         } else {
5188                                 *dptr &= ~DPARM_SYNC;
5189                         }
5190                         isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%d) to flags %x off %x per %x", bus, tgt, cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags,
5191                             sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
5192                         sdp->isp_devparam[tgt].dev_update = 1;
5193                         sdp->update = 1;
5194                 }
5195                 ccb->ccb_h.status = CAM_REQ_CMP;
5196                 xpt_done(ccb);
5197                 break;
5198         case XPT_GET_TRAN_SETTINGS:
5199                 cts = &ccb->cts;
5200                 tgt = cts->ccb_h.target_id;
5201                 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
5202                 if (IS_FC(isp)) {
5203                         fcparam *fcp = FCPARAM(isp, bus);
5204                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
5205                         struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
5206                         unsigned int hdlidx;
5207
5208                         cts->protocol = PROTO_SCSI;
5209                         cts->protocol_version = SCSI_REV_2;
5210                         cts->transport = XPORT_FC;
5211                         cts->transport_version = 0;
5212
5213                         scsi->valid = CTS_SCSI_VALID_TQ;
5214                         scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
5215                         fc->valid = CTS_FC_VALID_SPEED;
5216                         fc->bitrate = 100000;
5217                         fc->bitrate *= fcp->isp_gbspeed;
5218                         hdlidx = fcp->isp_dev_map[tgt] - 1;
5219                         if (hdlidx < MAX_FC_TARG) {
5220                                 fcportdb_t *lp = &fcp->portdb[hdlidx];
5221                                 fc->wwnn = lp->node_wwn;
5222                                 fc->wwpn = lp->port_wwn;
5223                                 fc->port = lp->portid;
5224                                 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
5225                         }
5226                 } else {
5227                         struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
5228                         struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
5229                         sdparam *sdp = SDPARAM(isp, bus);
5230                         uint16_t dval, pval, oval;
5231
5232                         if (IS_CURRENT_SETTINGS(cts)) {
5233                                 sdp->isp_devparam[tgt].dev_refresh = 1;
5234                                 sdp->update = 1;
5235                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
5236                                 dval = sdp->isp_devparam[tgt].actv_flags;
5237                                 oval = sdp->isp_devparam[tgt].actv_offset;
5238                                 pval = sdp->isp_devparam[tgt].actv_period;
5239                         } else {
5240                                 dval = sdp->isp_devparam[tgt].nvrm_flags;
5241                                 oval = sdp->isp_devparam[tgt].nvrm_offset;
5242                                 pval = sdp->isp_devparam[tgt].nvrm_period;
5243                         }
5244
5245                         cts->protocol = PROTO_SCSI;
5246                         cts->protocol_version = SCSI_REV_2;
5247                         cts->transport = XPORT_SPI;
5248                         cts->transport_version = 2;
5249
5250                         spi->valid = 0;
5251                         scsi->valid = 0;
5252                         spi->flags = 0;
5253                         scsi->flags = 0;
5254                         if (dval & DPARM_DISC) {
5255                                 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
5256                         }
5257                         if ((dval & DPARM_SYNC) && oval && pval) {
5258                                 spi->sync_offset = oval;
5259                                 spi->sync_period = pval;
5260                         } else {
5261                                 spi->sync_offset = 0;
5262                                 spi->sync_period = 0;
5263                         }
5264                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
5265                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
5266                         spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
5267                         if (dval & DPARM_WIDE) {
5268                                 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
5269                         } else {
5270                                 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
5271                         }
5272                         if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
5273                                 scsi->valid = CTS_SCSI_VALID_TQ;
5274                                 if (dval & DPARM_TQING) {
5275                                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
5276                                 }
5277                                 spi->valid |= CTS_SPI_VALID_DISC;
5278                         }
5279                         isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%d) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
5280                             bus, tgt, cts->ccb_h.target_lun, dval, oval, pval);
5281                 }
5282                 ccb->ccb_h.status = CAM_REQ_CMP;
5283                 xpt_done(ccb);
5284                 break;
5285
5286         case XPT_CALC_GEOMETRY:
5287                 cam_calc_geometry(&ccb->ccg, 1);
5288                 xpt_done(ccb);
5289                 break;
5290
5291         case XPT_RESET_BUS:             /* Reset the specified bus */
5292                 bus = cam_sim_bus(sim);
5293                 error = isp_control(isp, ISPCTL_RESET_BUS, bus);
5294                 if (error) {
5295                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5296                         xpt_done(ccb);
5297                         break;
5298                 }
5299                 if (bootverbose) {
5300                         xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
5301                 }
5302                 if (IS_FC(isp)) {
5303                         xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
5304                 } else {
5305                         xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
5306                 }
5307                 ccb->ccb_h.status = CAM_REQ_CMP;
5308                 xpt_done(ccb);
5309                 break;
5310
5311         case XPT_TERM_IO:               /* Terminate the I/O process */
5312                 ccb->ccb_h.status = CAM_REQ_INVALID;
5313                 xpt_done(ccb);
5314                 break;
5315
5316         case XPT_SET_SIM_KNOB:          /* Set SIM knobs */
5317         {
5318                 struct ccb_sim_knob *kp = &ccb->knob;
5319                 fcparam *fcp;
5320
5321                 if (!IS_FC(isp)) {
5322                         ccb->ccb_h.status = CAM_REQ_INVALID;
5323                         xpt_done(ccb);
5324                         break;
5325                 }
5326
5327                 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
5328                 fcp = FCPARAM(isp, bus);
5329
5330                 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
5331                         fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
5332                         fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
5333                         isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
5334                 }
5335                 ccb->ccb_h.status = CAM_REQ_CMP;
5336                 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
5337                         int rchange = 0;
5338                         int newrole = 0;
5339
5340                         switch (kp->xport_specific.fc.role) {
5341                         case KNOB_ROLE_NONE:
5342                                 if (fcp->role != ISP_ROLE_NONE) {
5343                                         rchange = 1;
5344                                         newrole = ISP_ROLE_NONE;
5345                                 }
5346                                 break;
5347                         case KNOB_ROLE_TARGET:
5348                                 if (fcp->role != ISP_ROLE_TARGET) {
5349                                         rchange = 1;
5350                                         newrole = ISP_ROLE_TARGET;
5351                                 }
5352                                 break;
5353                         case KNOB_ROLE_INITIATOR:
5354                                 if (fcp->role != ISP_ROLE_INITIATOR) {
5355                                         rchange = 1;
5356                                         newrole = ISP_ROLE_INITIATOR;
5357                                 }
5358                                 break;
5359                         case KNOB_ROLE_BOTH:
5360 #if 0
5361                                 if (fcp->role != ISP_ROLE_BOTH) {
5362                                         rchange = 1;
5363                                         newrole = ISP_ROLE_BOTH;
5364                                 }
5365 #else
5366                                 /*
5367                                  * We don't really support dual role at present on FC cards.
5368                                  *
5369                                  * We should, but a bunch of things are currently broken,
5370                                  * so don't allow it.
5371                                  */
5372                                 isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
5373                                 ccb->ccb_h.status = CAM_REQ_INVALID;
5374 #endif
5375                                 break;
5376                         }
5377                         if (rchange) {
5378                                 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
5379 #ifdef  ISP_TARGET_MODE
5380                                 ISP_SET_PC(isp, bus, tm_enabled, 0);
5381                                 ISP_SET_PC(isp, bus, tm_luns_enabled, 0);
5382 #endif
5383                                 if (isp_fc_change_role(isp, bus, newrole) != 0) {
5384                                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5385                                         xpt_done(ccb);
5386                                         break;
5387                                 }
5388 #ifdef  ISP_TARGET_MODE
5389                                 if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) {
5390                                         /*
5391                                          * Give the new role a chance to complain and settle
5392                                          */
5393                                         msleep(isp, &isp->isp_lock, PRIBIO, "taking a breather", 2);
5394                                         ccb->ccb_h.status = isp_enable_deferred_luns(isp, bus);
5395                                 }
5396 #endif
5397                         }
5398                 }
5399                 xpt_done(ccb);
5400                 break;
5401         }
5402         case XPT_GET_SIM_KNOB:          /* Get SIM knobs */
5403         {
5404                 struct ccb_sim_knob *kp = &ccb->knob;
5405
5406                 if (IS_FC(isp)) {
5407                         fcparam *fcp;
5408
5409                         bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
5410                         fcp = FCPARAM(isp, bus);
5411
5412                         kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
5413                         kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
5414                         switch (fcp->role) {
5415                         case ISP_ROLE_NONE:
5416                                 kp->xport_specific.fc.role = KNOB_ROLE_NONE;
5417                                 break;
5418                         case ISP_ROLE_TARGET:
5419                                 kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
5420                                 break;
5421                         case ISP_ROLE_INITIATOR:
5422                                 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
5423                                 break;
5424                         case ISP_ROLE_BOTH:
5425                                 kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
5426                                 break;
5427                         }
5428                         kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
5429                         ccb->ccb_h.status = CAM_REQ_CMP;
5430                 } else {
5431                         ccb->ccb_h.status = CAM_REQ_INVALID;
5432                 }
5433                 xpt_done(ccb);
5434                 break;
5435         }
5436         case XPT_PATH_INQ:              /* Path routing inquiry */
5437         {
5438                 struct ccb_pathinq *cpi = &ccb->cpi;
5439
5440                 cpi->version_num = 1;
5441 #ifdef  ISP_TARGET_MODE
5442                 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
5443 #else
5444                 cpi->target_sprt = 0;
5445 #endif
5446                 cpi->hba_eng_cnt = 0;
5447                 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
5448                 cpi->max_lun = ISP_MAX_LUNS(isp) - 1;
5449                 cpi->bus_id = cam_sim_bus(sim);
5450                 if (isp->isp_osinfo.sixtyfourbit)
5451                         cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
5452                 else
5453                         cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
5454
5455                 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
5456                 if (IS_FC(isp)) {
5457                         fcparam *fcp = FCPARAM(isp, bus);
5458
5459                         cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
5460
5461                         /*
5462                          * Because our loop ID can shift from time to time,
5463                          * make our initiator ID out of range of our bus.
5464                          */
5465                         cpi->initiator_id = cpi->max_target + 1;
5466
5467                         /*
5468                          * Set base transfer capabilities for Fibre Channel, for this HBA.
5469                          */
5470                         if (IS_25XX(isp)) {
5471                                 cpi->base_transfer_speed = 8000000;
5472                         } else if (IS_24XX(isp)) {
5473                                 cpi->base_transfer_speed = 4000000;
5474                         } else if (IS_23XX(isp)) {
5475                                 cpi->base_transfer_speed = 2000000;
5476                         } else {
5477                                 cpi->base_transfer_speed = 1000000;
5478                         }
5479                         cpi->hba_inquiry = PI_TAG_ABLE;
5480                         cpi->transport = XPORT_FC;
5481                         cpi->transport_version = 0;
5482                         cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
5483                         cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
5484                         cpi->xport_specific.fc.port = fcp->isp_portid;
5485                         cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
5486                 } else {
5487                         sdparam *sdp = SDPARAM(isp, bus);
5488                         cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
5489                         cpi->hba_misc = PIM_UNMAPPED;
5490                         cpi->initiator_id = sdp->isp_initiator_id;
5491                         cpi->base_transfer_speed = 3300;
5492                         cpi->transport = XPORT_SPI;
5493                         cpi->transport_version = 2;
5494                 }
5495                 cpi->protocol = PROTO_SCSI;
5496                 cpi->protocol_version = SCSI_REV_2;
5497                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
5498                 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
5499                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
5500                 cpi->unit_number = cam_sim_unit(sim);
5501                 cpi->ccb_h.status = CAM_REQ_CMP;
5502                 xpt_done(ccb);
5503                 break;
5504         }
5505         default:
5506                 ccb->ccb_h.status = CAM_REQ_INVALID;
5507                 xpt_done(ccb);
5508                 break;
5509         }
5510 }
5511
5512 #define ISPDDB  (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
5513
5514 void
5515 isp_done(XS_T *sccb)
5516 {
5517         ispsoftc_t *isp = XS_ISP(sccb);
5518         uint32_t status;
5519
5520         if (XS_NOERR(sccb))
5521                 XS_SETERR(sccb, CAM_REQ_CMP);
5522
5523         if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
5524                 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
5525                 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
5526                         sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
5527                 } else {
5528                         sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
5529                 }
5530         }
5531
5532         sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
5533         status = sccb->ccb_h.status & CAM_STATUS_MASK;
5534         if (status != CAM_REQ_CMP) {
5535                 if (status != CAM_SEL_TIMEOUT)
5536                         isp_prt(isp, ISP_LOGDEBUG0, "target %d lun %d CAM status 0x%x SCSI status 0x%x", XS_TGT(sccb), XS_LUN(sccb), sccb->ccb_h.status, sccb->scsi_status);
5537                 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
5538                         sccb->ccb_h.status |= CAM_DEV_QFRZN;
5539                         xpt_freeze_devq(sccb->ccb_h.path, 1);
5540                 }
5541         }
5542
5543         if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5544                 xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status);
5545         }
5546
5547         if (callout_active(&PISP_PCMD(sccb)->wdog))
5548                 callout_stop(&PISP_PCMD(sccb)->wdog);
5549         isp_free_pcmd(isp, (union ccb *) sccb);
5550         xpt_done((union ccb *) sccb);
5551 }
5552
5553 void
5554 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
5555 {
5556         int bus;
5557         static const char prom0[] = "Chan %d PortID 0x%06x handle 0x%x %s %s WWPN 0x%08x%08x";
5558         static const char prom2[] = "Chan %d PortID 0x%06x handle 0x%x %s %s tgt %u WWPN 0x%08x%08x";
5559         char buf[64];
5560         char *msg = NULL;
5561         target_id_t tgt;
5562         fcportdb_t *lp;
5563         struct isp_fc *fc;
5564         struct cam_path *tmppath;
5565         va_list ap;
5566
5567         switch (cmd) {
5568         case ISPASYNC_NEW_TGT_PARAMS:
5569         {
5570                 struct ccb_trans_settings_scsi *scsi;
5571                 struct ccb_trans_settings_spi *spi;
5572                 int flags, tgt;
5573                 sdparam *sdp;
5574                 struct ccb_trans_settings cts;
5575
5576                 memset(&cts, 0, sizeof (struct ccb_trans_settings));
5577
5578                 va_start(ap, cmd);
5579                 bus = va_arg(ap, int);
5580                 tgt = va_arg(ap, int);
5581                 va_end(ap);
5582                 sdp = SDPARAM(isp, bus);
5583
5584                 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
5585                         isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
5586                         break;
5587                 }
5588                 flags = sdp->isp_devparam[tgt].actv_flags;
5589                 cts.type = CTS_TYPE_CURRENT_SETTINGS;
5590                 cts.protocol = PROTO_SCSI;
5591                 cts.transport = XPORT_SPI;
5592
5593                 scsi = &cts.proto_specific.scsi;
5594                 spi = &cts.xport_specific.spi;
5595
5596                 if (flags & DPARM_TQING) {
5597                         scsi->valid |= CTS_SCSI_VALID_TQ;
5598                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
5599                 }
5600
5601                 if (flags & DPARM_DISC) {
5602                         spi->valid |= CTS_SPI_VALID_DISC;
5603                         spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
5604                 }
5605                 spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
5606                 if (flags & DPARM_WIDE) {
5607                         spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
5608                 } else {
5609                         spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
5610                 }
5611                 if (flags & DPARM_SYNC) {
5612                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
5613                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
5614                         spi->sync_period = sdp->isp_devparam[tgt].actv_period;
5615                         spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
5616                 }
5617                 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);
5618                 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
5619                 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
5620                 xpt_free_path(tmppath);
5621                 break;
5622         }
5623         case ISPASYNC_BUS_RESET:
5624         {
5625                 va_start(ap, cmd);
5626                 bus = va_arg(ap, int);
5627                 va_end(ap);
5628                 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
5629                 if (IS_FC(isp)) {
5630                         xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
5631                 } else {
5632                         xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
5633                 }
5634                 break;
5635         }
5636         case ISPASYNC_LIP:
5637                 if (msg == NULL) {
5638                         msg = "LIP Received";
5639                 }
5640                 /* FALLTHROUGH */
5641         case ISPASYNC_LOOP_RESET:
5642                 if (msg == NULL) {
5643                         msg = "LOOP Reset";
5644                 }
5645                 /* FALLTHROUGH */
5646         case ISPASYNC_LOOP_DOWN:
5647         {
5648                 if (msg == NULL) {
5649                         msg = "LOOP Down";
5650                 }
5651                 va_start(ap, cmd);
5652                 bus = va_arg(ap, int);
5653                 va_end(ap);
5654
5655                 FCPARAM(isp, bus)->link_active = 0;
5656
5657                 fc = ISP_FC_PC(isp, bus);
5658                 if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) {
5659                         /*
5660                          * We don't do any simq freezing if we are only in target mode
5661                          */
5662                         if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5663                                 if (fc->path) {
5664                                         isp_freeze_loopdown(isp, bus, msg);
5665                                 }
5666                                 if (!callout_active(&fc->ldt)) {
5667                                         callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc);
5668                                         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_uptime);
5669                                 }
5670                         }
5671                 }
5672                 isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg);
5673                 break;
5674         }
5675         case ISPASYNC_LOOP_UP:
5676                 va_start(ap, cmd);
5677                 bus = va_arg(ap, int);
5678                 va_end(ap);
5679                 fc = ISP_FC_PC(isp, bus);
5680                 /*
5681                  * Now we just note that Loop has come up. We don't
5682                  * actually do anything because we're waiting for a
5683                  * Change Notify before activating the FC cleanup
5684                  * thread to look at the state of the loop again.
5685                  */
5686                 FCPARAM(isp, bus)->link_active = 1;
5687                 fc->loop_dead = 0;
5688                 fc->loop_down_time = 0;
5689                 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
5690                 break;
5691         case ISPASYNC_DEV_ARRIVED:
5692                 va_start(ap, cmd);
5693                 bus = va_arg(ap, int);
5694                 lp = va_arg(ap, fcportdb_t *);
5695                 va_end(ap);
5696                 fc = ISP_FC_PC(isp, bus);
5697                 lp->announced = 0;
5698                 lp->gone_timer = 0;
5699                 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
5700                         int dbidx = lp - FCPARAM(isp, bus)->portdb;
5701                         int i;
5702
5703                         for (i = 0; i < MAX_FC_TARG; i++) {
5704                                 if (i >= FL_ID && i <= SNS_ID) {
5705                                         continue;
5706                                 }
5707                                 if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) {
5708                                         break;
5709                                 }
5710                         }
5711                         if (i < MAX_FC_TARG) {
5712                                 FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1;
5713                                 lp->dev_map_idx = i + 1;
5714                         } else {
5715                                 isp_prt(isp, ISP_LOGWARN, "out of target ids");
5716                                 isp_dump_portdb(isp, bus);
5717                         }
5718                 }
5719                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5720                 if (lp->dev_map_idx) {
5721                         tgt = lp->dev_map_idx - 1;
5722                         isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "arrived at", tgt, (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5723                         isp_make_here(isp, bus, tgt);
5724                 } else {
5725                         isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "arrived", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5726                 }
5727                 break;
5728         case ISPASYNC_DEV_CHANGED:
5729                 va_start(ap, cmd);
5730                 bus = va_arg(ap, int);
5731                 lp = va_arg(ap, fcportdb_t *);
5732                 va_end(ap);
5733                 fc = ISP_FC_PC(isp, bus);
5734                 lp->announced = 0;
5735                 lp->gone_timer = 0;
5736                 if (isp_change_is_bad) {
5737                         lp->state = FC_PORTDB_STATE_NIL;
5738                         if (lp->dev_map_idx) {
5739                                 tgt = lp->dev_map_idx - 1;
5740                                 FCPARAM(isp, bus)->isp_dev_map[tgt] = 0;
5741                                 lp->dev_map_idx = 0;
5742                                 isp_prt(isp, ISP_LOGCONFIG, prom3, bus, lp->portid, tgt, "change is bad");
5743                                 isp_make_gone(isp, bus, tgt);
5744                         } else {
5745                                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5746                                 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "changed and departed",
5747                                     (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5748                         }
5749                 } else {
5750                         lp->portid = lp->new_portid;
5751                         lp->prli_word3 = lp->new_prli_word3;
5752                         isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5753                         if (lp->dev_map_idx) {
5754                                 int t = lp->dev_map_idx - 1;
5755                                 FCPARAM(isp, bus)->isp_dev_map[t] = (lp - FCPARAM(isp, bus)->portdb) + 1;
5756                                 tgt = lp->dev_map_idx - 1;
5757                                 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "changed at", tgt,
5758                                     (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5759                         } else {
5760                                 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "changed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5761                         }
5762                 }
5763                 break;
5764         case ISPASYNC_DEV_STAYED:
5765                 va_start(ap, cmd);
5766                 bus = va_arg(ap, int);
5767                 lp = va_arg(ap, fcportdb_t *);
5768                 va_end(ap);
5769                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5770                 if (lp->dev_map_idx) {
5771                         tgt = lp->dev_map_idx - 1;
5772                         isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "stayed at", tgt,
5773                             (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5774                 } else {
5775                         isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "stayed",
5776                             (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5777                 }
5778                 break;
5779         case ISPASYNC_DEV_GONE:
5780                 va_start(ap, cmd);
5781                 bus = va_arg(ap, int);
5782                 lp = va_arg(ap, fcportdb_t *);
5783                 va_end(ap);
5784                 fc = ISP_FC_PC(isp, bus);
5785                 /*
5786                  * If this has a virtual target and we haven't marked it
5787                  * that we're going to have isp_gdt tell the OS it's gone,
5788                  * set the isp_gdt timer running on it.
5789                  *
5790                  * If it isn't marked that isp_gdt is going to get rid of it,
5791                  * announce that it's gone.
5792                  *
5793                  */
5794                 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5795                 if (lp->dev_map_idx && lp->announced == 0) {
5796                         lp->announced = 1;
5797                         lp->state = FC_PORTDB_STATE_ZOMBIE;
5798                         lp->gone_timer = ISP_FC_PC(isp, bus)->gone_device_time;
5799                         if (fc->ready && !callout_active(&fc->gdt)) {
5800                                 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);
5801                                 callout_reset(&fc->gdt, hz, isp_gdt, fc);
5802                         }
5803                         tgt = lp->dev_map_idx - 1;
5804                         isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "gone zombie at", tgt, (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5805                 } else if (lp->announced == 0) {
5806                         isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "departed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5807                 }
5808                 break;
5809         case ISPASYNC_CHANGE_NOTIFY:
5810         {
5811                 char *msg;
5812                 int evt, nphdl, nlstate, reason;
5813
5814                 va_start(ap, cmd);
5815                 bus = va_arg(ap, int);
5816                 evt = va_arg(ap, int);
5817                 if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) {
5818                         nphdl = va_arg(ap, int);
5819                         nlstate = va_arg(ap, int);
5820                         reason = va_arg(ap, int);
5821                 } else {
5822                         nphdl = NIL_HANDLE;
5823                         nlstate = reason = 0;
5824                 }
5825                 va_end(ap);
5826                 fc = ISP_FC_PC(isp, bus);
5827
5828                 if (evt == ISPASYNC_CHANGE_PDB) {
5829                         msg = "Chan %d Port Database Changed";
5830                 } else if (evt == ISPASYNC_CHANGE_SNS) {
5831                         msg = "Chan %d Name Server Database Changed";
5832                 } else {
5833                         msg = "Chan %d Other Change Notify";
5834                 }
5835
5836                 /*
5837                  * If the loop down timer is running, cancel it.
5838                  */
5839                 if (fc->ready && callout_active(&fc->ldt)) {
5840                         isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_uptime);
5841                         callout_stop(&fc->ldt);
5842                 }
5843                 isp_prt(isp, ISP_LOGINFO, msg, bus);
5844                 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5845                         isp_freeze_loopdown(isp, bus, msg);
5846                 }
5847                 wakeup(fc);
5848                 break;
5849         }
5850 #ifdef  ISP_TARGET_MODE
5851         case ISPASYNC_TARGET_NOTIFY:
5852         {
5853                 isp_notify_t *notify;
5854                 va_start(ap, cmd);
5855                 notify = va_arg(ap, isp_notify_t *);
5856                 va_end(ap);
5857                 switch (notify->nt_ncode) {
5858                 case NT_ABORT_TASK:
5859                 case NT_ABORT_TASK_SET:
5860                 case NT_CLEAR_ACA:
5861                 case NT_CLEAR_TASK_SET:
5862                 case NT_LUN_RESET:
5863                 case NT_TARGET_RESET:
5864                         /*
5865                          * These are task management functions.
5866                          */
5867                         isp_handle_platform_target_tmf(isp, notify);
5868                         break;
5869                 case NT_BUS_RESET:
5870                 case NT_LIP_RESET:
5871                 case NT_LINK_UP:
5872                 case NT_LINK_DOWN:
5873                         /*
5874                          * No action need be taken here.
5875                          */
5876                         break;
5877                 case NT_HBA_RESET:
5878                         isp_del_all_wwn_entries(isp, ISP_NOCHAN);
5879                         break;
5880                 case NT_GLOBAL_LOGOUT:
5881                 case NT_LOGOUT:
5882                         /*
5883                          * This is device arrival/departure notification
5884                          */
5885                         isp_handle_platform_target_notify_ack(isp, notify);
5886                         break;
5887                 case NT_ARRIVED:
5888                 {
5889                         struct ac_contract ac;
5890                         struct ac_device_changed *fc;
5891
5892                         ac.contract_number = AC_CONTRACT_DEV_CHG;
5893                         fc = (struct ac_device_changed *) ac.contract_data;
5894                         fc->wwpn = notify->nt_wwn;
5895                         fc->port = notify->nt_sid;
5896                         fc->target = notify->nt_nphdl;
5897                         fc->arrived = 1;
5898                         xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5899                         break;
5900                 }
5901                 case NT_DEPARTED:
5902                 {
5903                         struct ac_contract ac;
5904                         struct ac_device_changed *fc;
5905
5906                         ac.contract_number = AC_CONTRACT_DEV_CHG;
5907                         fc = (struct ac_device_changed *) ac.contract_data;
5908                         fc->wwpn = notify->nt_wwn;
5909                         fc->port = notify->nt_sid;
5910                         fc->target = notify->nt_nphdl;
5911                         fc->arrived = 0;
5912                         xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5913                         break;
5914                 }
5915                 default:
5916                         isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
5917                         isp_handle_platform_target_notify_ack(isp, notify);
5918                         break;
5919                 }
5920                 break;
5921         }
5922         case ISPASYNC_TARGET_NOTIFY_ACK:
5923         {
5924                 void *inot;
5925                 va_start(ap, cmd);
5926                 inot = va_arg(ap, void *);
5927                 va_end(ap);
5928                 if (isp_notify_ack(isp, inot)) {
5929                         isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
5930                         if (tp) {
5931                                 tp->isp = isp;
5932                                 if (inot) {
5933                                         memcpy(tp->data, inot, sizeof (tp->data));
5934                                         tp->not = tp->data;
5935                                 } else {
5936                                         tp->not = NULL;
5937                                 }
5938                                 (void) timeout(isp_refire_notify_ack, tp, 5);
5939                         } else {
5940                                 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
5941                         }
5942                 }
5943                 break;
5944         }
5945         case ISPASYNC_TARGET_ACTION:
5946         {
5947                 isphdr_t *hp;
5948
5949                 va_start(ap, cmd);
5950                 hp = va_arg(ap, isphdr_t *);
5951                 va_end(ap);
5952                 switch (hp->rqs_entry_type) {
5953                 default:
5954                         isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type);
5955                         break;
5956                 case RQSTYPE_NOTIFY:
5957                         if (IS_SCSI(isp)) {
5958                                 isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp);
5959                         } else if (IS_24XX(isp)) {
5960                                 isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp);
5961                         } else {
5962                                 isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp);
5963                         }
5964                         break;
5965                 case RQSTYPE_ATIO:
5966                         if (IS_24XX(isp)) {
5967                                 isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
5968                         } else {
5969                                 isp_handle_platform_atio(isp, (at_entry_t *) hp);
5970                         }
5971                         break;
5972                 case RQSTYPE_ATIO2:
5973                         isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
5974                         break;
5975                 case RQSTYPE_CTIO7:
5976                 case RQSTYPE_CTIO3:
5977                 case RQSTYPE_CTIO2:
5978                 case RQSTYPE_CTIO:
5979                         isp_handle_platform_ctio(isp, hp);
5980                         break;
5981                 case RQSTYPE_ABTS_RCVD:
5982                 {
5983                         abts_t *abts = (abts_t *)hp;
5984                         isp_notify_t notify, *nt = &notify;
5985                         tstate_t *tptr;
5986                         fcportdb_t *lp;
5987                         uint16_t chan;
5988                         uint32_t sid, did;
5989
5990                         did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
5991                         sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
5992                         ISP_MEMZERO(nt, sizeof (isp_notify_t));
5993
5994                         nt->nt_hba = isp;
5995                         nt->nt_did = did;
5996                         nt->nt_nphdl = abts->abts_nphdl;
5997                         nt->nt_sid = sid;
5998                         isp_find_chan_by_did(isp, did, &chan);
5999                         if (chan == ISP_NOCHAN) {
6000                                 nt->nt_tgt = TGT_ANY;
6001                         } else {
6002                                 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
6003                                 if (isp_find_pdb_by_loopid(isp, chan, abts->abts_nphdl, &lp)) {
6004                                         nt->nt_wwn = lp->port_wwn;
6005                                 } else {
6006                                         nt->nt_wwn = INI_ANY;
6007                                 }
6008                         }
6009                         /*
6010                          * Try hard to find the lun for this command.
6011                          */
6012                         tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task);
6013                         if (tptr) {
6014                                 nt->nt_lun = xpt_path_lun_id(tptr->owner);
6015                                 rls_lun_statep(isp, tptr);
6016                         } else {
6017                                 nt->nt_lun = LUN_ANY;
6018                         }
6019                         nt->nt_need_ack = 1;
6020                         nt->nt_tagval = abts->abts_rxid_task;
6021                         nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
6022                         if (abts->abts_rxid_task == ISP24XX_NO_TASK) {
6023                                 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x Port 0x%06x has no task id (rx_id 0x%04x ox_id 0x%04x)",
6024                                     abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id);
6025                         } else {
6026                                 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x Port 0x%06x for task 0x%x (rx_id 0x%04x ox_id 0x%04x)",
6027                                     abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id);
6028                         }
6029                         nt->nt_channel = chan;
6030                         nt->nt_ncode = NT_ABORT_TASK;
6031                         nt->nt_lreserved = hp;
6032                         isp_handle_platform_target_tmf(isp, nt);
6033                         break;
6034                 }
6035                 case RQSTYPE_ENABLE_LUN:
6036                 case RQSTYPE_MODIFY_LUN:
6037                         isp_ledone(isp, (lun_entry_t *) hp);
6038                         break;
6039                 }
6040                 break;
6041         }
6042 #endif
6043         case ISPASYNC_FW_CRASH:
6044         {
6045                 uint16_t mbox1, mbox6;
6046                 mbox1 = ISP_READ(isp, OUTMAILBOX1);
6047                 if (IS_DUALBUS(isp)) {
6048                         mbox6 = ISP_READ(isp, OUTMAILBOX6);
6049                 } else {
6050                         mbox6 = 0;
6051                 }
6052                 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
6053                 mbox1 = isp->isp_osinfo.mbox_sleep_ok;
6054                 isp->isp_osinfo.mbox_sleep_ok = 0;
6055                 isp_reinit(isp, 1);
6056                 isp->isp_osinfo.mbox_sleep_ok = mbox1;
6057                 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
6058                 break;
6059         }
6060         default:
6061                 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
6062                 break;
6063         }
6064 }
6065
6066
6067 /*
6068  * Locks are held before coming here.
6069  */
6070 void
6071 isp_uninit(ispsoftc_t *isp)
6072 {
6073         if (IS_24XX(isp)) {
6074                 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
6075         } else {
6076                 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
6077         }
6078         ISP_DISABLE_INTS(isp);
6079 }
6080
6081 /*
6082  * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them
6083  * up from our platform default (defww{p|n}n) and morph them based upon
6084  * channel.
6085  *
6086  * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them
6087  * based upon channel.
6088  */
6089
6090 uint64_t
6091 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
6092 {
6093         uint64_t seed;
6094         struct isp_fc *fc = ISP_FC_PC(isp, chan);
6095
6096         /*
6097          * If we're asking for a active WWN, the default overrides get
6098          * returned, otherwise the NVRAM value is picked.
6099          *
6100          * If we're asking for a default WWN, we just pick the default override.
6101          */
6102         if (isactive) {
6103                 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
6104                 if (seed) {
6105                         return (seed);
6106                 }
6107                 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram;
6108                 if (seed) {
6109                         return (seed);
6110                 }
6111                 return (0x400000007F000009ull);
6112         } else {
6113                 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
6114         }
6115
6116
6117         /*
6118          * For channel zero just return what we have. For either ACTIVE or
6119          * DEFAULT cases, we depend on default override of NVRAM values for
6120          * channel zero.
6121          */
6122         if (chan == 0) {
6123                 return (seed);
6124         }
6125
6126         /*
6127          * For other channels, we are doing one of three things:
6128          *
6129          * 1. If what we have now is non-zero, return it. Otherwise we morph
6130          * values from channel 0. 2. If we're here for a WWPN we synthesize
6131          * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a
6132          * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA.
6133          */
6134
6135         if (seed) {
6136                 return (seed);
6137         }
6138         if (isactive) {
6139                 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram;
6140         } else {
6141                 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn;
6142         }
6143
6144         if (((seed >> 60) & 0xf) == 2) {
6145                 /*
6146                  * The type 2 NAA fields for QLogic cards appear be laid out
6147                  * thusly:
6148                  *
6149                  * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56
6150                  * port (1) or node (0) WWN distinguishor bit 48
6151                  * physical port on dual-port chips (23XX/24XX)
6152                  *
6153                  * This is somewhat nutty, particularly since bit 48 is
6154                  * irrelevant as they assign separate serial numbers to
6155                  * different physical ports anyway.
6156                  *
6157                  * We'll stick our channel number plus one first into bits
6158                  * 57..59 and thence into bits 52..55 which allows for 8 bits
6159                  * of channel which is comfortably more than our maximum
6160                  * (126) now.
6161                  */
6162                 seed &= ~0x0FF0000000000000ULL;
6163                 if (iswwnn == 0) {
6164                         seed |= ((uint64_t) (chan + 1) & 0xf) << 56;
6165                         seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
6166                 }
6167         } else {
6168                 seed = 0;
6169         }
6170         return (seed);
6171 }
6172
6173 void
6174 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
6175 {
6176         int loc;
6177         char lbuf[200];
6178         va_list ap;
6179
6180         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
6181                 return;
6182         }
6183         snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
6184         loc = strlen(lbuf);
6185         va_start(ap, fmt);
6186         vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
6187         va_end(ap);
6188         printf("%s\n", lbuf);
6189 }
6190
6191 void
6192 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
6193 {
6194         va_list ap;
6195         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
6196                 return;
6197         }
6198         xpt_print_path(xs->ccb_h.path);
6199         va_start(ap, fmt);
6200         vprintf(fmt, ap);
6201         va_end(ap);
6202         printf("\n");
6203 }
6204
6205 uint64_t
6206 isp_nanotime_sub(struct timespec *b, struct timespec *a)
6207 {
6208         uint64_t elapsed;
6209         struct timespec x = *b;
6210         timespecsub(&x, a);
6211         elapsed = GET_NANOSEC(&x);
6212         if (elapsed == 0)
6213                 elapsed++;
6214         return (elapsed);
6215 }
6216
6217 int
6218 isp_mbox_acquire(ispsoftc_t *isp)
6219 {
6220         if (isp->isp_osinfo.mboxbsy) {
6221                 return (1);
6222         } else {
6223                 isp->isp_osinfo.mboxcmd_done = 0;
6224                 isp->isp_osinfo.mboxbsy = 1;
6225                 return (0);
6226         }
6227 }
6228
6229 void
6230 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
6231 {
6232         unsigned int usecs = mbp->timeout;
6233         unsigned int max, olim, ilim;
6234
6235         if (usecs == 0) {
6236                 usecs = MBCMD_DEFAULT_TIMEOUT;
6237         }
6238         max = isp->isp_mbxwrk0 + 1;
6239
6240         if (isp->isp_osinfo.mbox_sleep_ok) {
6241                 unsigned int ms = (usecs + 999) / 1000;
6242
6243                 isp->isp_osinfo.mbox_sleep_ok = 0;
6244                 isp->isp_osinfo.mbox_sleeping = 1;
6245                 for (olim = 0; olim < max; olim++) {
6246                         msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms));
6247                         if (isp->isp_osinfo.mboxcmd_done) {
6248                                 break;
6249                         }
6250                 }
6251                 isp->isp_osinfo.mbox_sleep_ok = 1;
6252                 isp->isp_osinfo.mbox_sleeping = 0;
6253         } else {
6254                 for (olim = 0; olim < max; olim++) {
6255                         for (ilim = 0; ilim < usecs; ilim += 100) {
6256                                 uint32_t isr;
6257                                 uint16_t sema, mbox;
6258                                 if (isp->isp_osinfo.mboxcmd_done) {
6259                                         break;
6260                                 }
6261                                 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
6262                                         isp_intr(isp, isr, sema, mbox);
6263                                         if (isp->isp_osinfo.mboxcmd_done) {
6264                                                 break;
6265                                         }
6266                                 }
6267                                 ISP_DELAY(100);
6268                         }
6269                         if (isp->isp_osinfo.mboxcmd_done) {
6270                                 break;
6271                         }
6272                 }
6273         }
6274         if (isp->isp_osinfo.mboxcmd_done == 0) {
6275                 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)",
6276                     isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno);
6277                 mbp->param[0] = MBOX_TIMEOUT;
6278                 isp->isp_osinfo.mboxcmd_done = 1;
6279         }
6280 }
6281
6282 void
6283 isp_mbox_notify_done(ispsoftc_t *isp)
6284 {
6285         if (isp->isp_osinfo.mbox_sleeping) {
6286                 wakeup(&isp->isp_mbxworkp);
6287         }
6288         isp->isp_osinfo.mboxcmd_done = 1;
6289 }
6290
6291 void
6292 isp_mbox_release(ispsoftc_t *isp)
6293 {
6294         isp->isp_osinfo.mboxbsy = 0;
6295 }
6296
6297 int
6298 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
6299 {
6300         int ret = 0;
6301         if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
6302                 ret = -1;
6303         } else {
6304                 isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
6305         }
6306         return (ret);
6307 }
6308
6309 int
6310 isp_mstohz(int ms)
6311 {
6312         int hz;
6313         struct timeval t;
6314         t.tv_sec = ms / 1000;
6315         t.tv_usec = (ms % 1000) * 1000;
6316         hz = tvtohz(&t);
6317         if (hz < 0) {
6318                 hz = 0x7fffffff;
6319         }
6320         if (hz == 0) {
6321                 hz = 1;
6322         }
6323         return (hz);
6324 }
6325
6326 void
6327 isp_platform_intr(void *arg)
6328 {
6329         ispsoftc_t *isp = arg;
6330         uint32_t isr;
6331         uint16_t sema, mbox;
6332
6333         ISP_LOCK(isp);
6334         isp->isp_intcnt++;
6335         if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
6336                 isp->isp_intbogus++;
6337         } else {
6338                 isp_intr(isp, isr, sema, mbox);
6339         }
6340         ISP_UNLOCK(isp);
6341 }
6342
6343 void
6344 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
6345 {
6346         if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
6347                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
6348         } else {
6349                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
6350         }
6351         bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
6352 }
6353
6354 int
6355 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
6356 {
6357         uint32_t chan, tgt, lun;
6358         struct isp_fc *fc;
6359         struct isp_nexus *nxp;
6360         int idx;
6361
6362         if (isp->isp_type < ISP_HA_FC_2300)
6363                 return (0);
6364
6365         chan = XS_CHANNEL(cmd);
6366         tgt = XS_TGT(cmd);
6367         lun = XS_LUN(cmd);
6368         fc = &isp->isp_osinfo.pc.fc[chan];
6369         idx = NEXUS_HASH(tgt, lun);
6370         nxp = fc->nexus_hash[idx];
6371
6372         while (nxp) {
6373                 if (nxp->tgt == tgt && nxp->lun == lun)
6374                         break;
6375                 nxp = nxp->next;
6376         }
6377         if (nxp == NULL) {
6378                 nxp = fc->nexus_free_list;
6379                 if (nxp == NULL) {
6380                         nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
6381                         if (nxp == NULL) {
6382                                 return (-1);
6383                         }
6384                 } else {
6385                         fc->nexus_free_list = nxp->next;
6386                 }
6387                 nxp->tgt = tgt;
6388                 nxp->lun = lun;
6389                 nxp->next = fc->nexus_hash[idx];
6390                 fc->nexus_hash[idx] = nxp;
6391         }
6392         if (nxp) {
6393                 if (nxp->crnseed == 0)
6394                         nxp->crnseed = 1;
6395                 if (cmd)
6396                         PISP_PCMD(cmd)->crn = nxp->crnseed;
6397                 *crnp = nxp->crnseed++;
6398                 return (0);
6399         }
6400         return (-1);
6401 }
6402
6403 /*
6404  * We enter with the lock held
6405  */
6406 void
6407 isp_timer(void *arg)
6408 {
6409         ispsoftc_t *isp = arg;
6410 #ifdef  ISP_TARGET_MODE
6411         isp_tmcmd_restart(isp);
6412 #endif
6413         callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
6414 }
6415
6416 isp_ecmd_t *
6417 isp_get_ecmd(ispsoftc_t *isp)
6418 {
6419         isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
6420         if (ecmd) {
6421                 isp->isp_osinfo.ecmd_free = ecmd->next;
6422         }
6423         return (ecmd);
6424 }
6425
6426 void
6427 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
6428 {
6429         ecmd->next = isp->isp_osinfo.ecmd_free;
6430         isp->isp_osinfo.ecmd_free = ecmd;
6431 }