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