sys/dev/disk/isp/isp_freebsd.c

   1 /* $FreeBSD: src/sys/dev/isp/isp_freebsd.c,v 1.32.2.20 2002/10/11 18:49:25 mjacob Exp $ */
   2 /* $DragonFly: src/sys/dev/disk/isp/isp_freebsd.c,v 1.11 2004/09/17 03:39:39 joerg Exp $ */
   3 /*
   4  * Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
   5  *
   6  * Copyright (c) 1997, 1998, 1999, 2000, 2001 by Matthew Jacob
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice immediately at the beginning of the file, without modification,
  13  *    this list of conditions, and the following disclaimer.
  14  * 2. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29 #include "isp_freebsd.h"
  30 #include <sys/unistd.h>
  31 #include <sys/kthread.h>
  32 #include <machine/stdarg.h>     /* for use by isp_prt below */
  33 #include <sys/conf.h>
  34 #include <sys/ioccom.h>
  35 #include "isp_ioctl.h"
  36
  37
  38 static d_ioctl_t ispioctl;
  39 static void isp_intr_enable(void *);
  40 static void isp_cam_async(void *, u_int32_t, struct cam_path *, void *);
  41 static void isp_poll(struct cam_sim *);
  42 static timeout_t isp_watchdog;
  43 static void isp_kthread(void *);
  44 static void isp_action(struct cam_sim *, union ccb *);
  45
  46
  47 #define ISP_CDEV_MAJOR  248
  48 static struct cdevsw isp_cdevsw = {
  49         /* name */      "isp",
  50         /* maj */       ISP_CDEV_MAJOR,
  51         /* flags */     D_TAPE,
  52         /* port */      NULL,
  53         /* clone */     NULL,
  54
  55         /* open */      nullopen,
  56         /* close */     nullclose,
  57         /* read */      noread,
  58         /* write */     nowrite,
  59         /* ioctl */     ispioctl,
  60         /* poll */      nopoll,
  61         /* mmap */      nommap,
  62         /* strategy */  nostrategy,
  63         /* dump */      nodump,
  64         /* psize */     nopsize
  65 };
  66
  67 static struct ispsoftc *isplist = NULL;
  68
  69 void
  70 isp_attach(struct ispsoftc *isp)
  71 {
  72         int primary, secondary;
  73         struct ccb_setasync csa;
  74         struct cam_devq *devq;
  75         struct cam_sim *sim;
  76         struct cam_path *path;
  77
  78         /*
  79          * Establish (in case of 12X0) which bus is the primary.
  80          */
  81
  82         primary = 0;
  83         secondary = 1;
  84
  85         /*
  86          * Create the device queue for our SIM(s).
  87          */
  88         devq = cam_simq_alloc(isp->isp_maxcmds);
  89         if (devq == NULL) {
  90                 return;
  91         }
  92
  93         /*
  94          * Construct our SIM entry.
  95          */
  96         ISPLOCK_2_CAMLOCK(isp);
  97         sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
  98             device_get_unit(isp->isp_dev), 1, isp->isp_maxcmds, devq);
  99         cam_simq_release(devq);         /* leaves 1 ref due to cam_sim_alloc */
 100         if (sim == NULL) {
 101                 CAMLOCK_2_ISPLOCK(isp);
 102                 return;
 103         }
 104         CAMLOCK_2_ISPLOCK(isp);
 105
 106         isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
 107         isp->isp_osinfo.ehook.ich_arg = isp;
 108         ISPLOCK_2_CAMLOCK(isp);
 109         if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
 110                 cam_sim_free(sim);
 111                 CAMLOCK_2_ISPLOCK(isp);
 112                 isp_prt(isp, ISP_LOGERR,
 113                     "could not establish interrupt enable hook");
 114                 return;
 115         }
 116
 117         if (xpt_bus_register(sim, primary) != CAM_SUCCESS) {
 118                 cam_sim_free(sim);
 119                 CAMLOCK_2_ISPLOCK(isp);
 120                 return;
 121         }
 122
 123         if (xpt_create_path(&path, NULL, cam_sim_path(sim),
 124             CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 125                 xpt_bus_deregister(cam_sim_path(sim));
 126                 cam_sim_free(sim);
 127                 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 128                 CAMLOCK_2_ISPLOCK(isp);
 129                 return;
 130         }
 131
 132         xpt_setup_ccb(&csa.ccb_h, path, 5);
 133         csa.ccb_h.func_code = XPT_SASYNC_CB;
 134         csa.event_enable = AC_LOST_DEVICE;
 135         csa.callback = isp_cam_async;
 136         csa.callback_arg = sim;
 137         xpt_action((union ccb *)&csa);
 138         CAMLOCK_2_ISPLOCK(isp);
 139         isp->isp_sim = sim;
 140         isp->isp_path = path;
 141         /*
 142          * Create a kernel thread for fibre channel instances. We
 143          * don't have dual channel FC cards.
 144          */
 145         if (IS_FC(isp)) {
 146                 ISPLOCK_2_CAMLOCK(isp);
 147                 if (kthread_create(isp_kthread, isp, &isp->isp_osinfo.kthread,
 148                     "%s: fc_thrd", device_get_nameunit(isp->isp_dev))) {
 149                         xpt_bus_deregister(cam_sim_path(sim));
 150                         cam_sim_free(sim);
 151                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 152                         CAMLOCK_2_ISPLOCK(isp);
 153                         isp_prt(isp, ISP_LOGERR, "could not create kthread");
 154                         return;
 155                 }
 156                 CAMLOCK_2_ISPLOCK(isp);
 157         }
 158
 159
 160         /*
 161          * If we have a second channel, construct SIM entry for that.
 162          */
 163         if (IS_DUALBUS(isp)) {
 164                 ISPLOCK_2_CAMLOCK(isp);
 165                 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
 166                     device_get_unit(isp->isp_dev), 1, isp->isp_maxcmds, devq);
 167                 if (sim == NULL) {
 168                         xpt_bus_deregister(cam_sim_path(isp->isp_sim));
 169                         xpt_free_path(isp->isp_path);
 170                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 171                         return;
 172                 }
 173                 if (xpt_bus_register(sim, secondary) != CAM_SUCCESS) {
 174                         xpt_bus_deregister(cam_sim_path(isp->isp_sim));
 175                         xpt_free_path(isp->isp_path);
 176                         cam_sim_free(sim);
 177                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 178                         CAMLOCK_2_ISPLOCK(isp);
 179                         return;
 180                 }
 181
 182                 if (xpt_create_path(&path, NULL, cam_sim_path(sim),
 183                     CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 184                         xpt_bus_deregister(cam_sim_path(isp->isp_sim));
 185                         xpt_free_path(isp->isp_path);
 186                         xpt_bus_deregister(cam_sim_path(sim));
 187                         cam_sim_free(sim);
 188                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 189                         CAMLOCK_2_ISPLOCK(isp);
 190                         return;
 191                 }
 192
 193                 xpt_setup_ccb(&csa.ccb_h, path, 5);
 194                 csa.ccb_h.func_code = XPT_SASYNC_CB;
 195                 csa.event_enable = AC_LOST_DEVICE;
 196                 csa.callback = isp_cam_async;
 197                 csa.callback_arg = sim;
 198                 xpt_action((union ccb *)&csa);
 199                 CAMLOCK_2_ISPLOCK(isp);
 200                 isp->isp_sim2 = sim;
 201                 isp->isp_path2 = path;
 202         }
 203         /*
 204          * Create device nodes
 205          */
 206         cdevsw_add(&isp_cdevsw, -1, device_get_unit(isp->isp_dev));
 207         make_dev(&isp_cdevsw, device_get_unit(isp->isp_dev), UID_ROOT,
 208             GID_OPERATOR, 0600, "%s", device_get_nameunit(isp->isp_dev));
 209
 210         if (isp->isp_role != ISP_ROLE_NONE) {
 211                 isp->isp_state = ISP_RUNSTATE;
 212         }
 213         if (isplist == NULL) {
 214                 isplist = isp;
 215         } else {
 216                 struct ispsoftc *tmp = isplist;
 217                 while (tmp->isp_osinfo.next) {
 218                         tmp = tmp->isp_osinfo.next;
 219                 }
 220                 tmp->isp_osinfo.next = isp;
 221         }
 222
 223 }
 224
 225 static INLINE void
 226 isp_freeze_loopdown(struct ispsoftc *isp, char *msg)
 227 {
 228         if (isp->isp_osinfo.simqfrozen == 0) {
 229                 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown)", msg);
 230                 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
 231                 ISPLOCK_2_CAMLOCK(isp);
 232                 xpt_freeze_simq(isp->isp_sim, 1);
 233                 CAMLOCK_2_ISPLOCK(isp);
 234         } else {
 235                 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown)", msg);
 236                 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
 237         }
 238 }
 239
 240 static int
 241 ispioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, d_thread_t *td)
 242 {
 243         struct ispsoftc *isp;
 244         int retval = ENOTTY;
 245
 246         isp = isplist;
 247         while (isp) {
 248                 if (minor(dev) == device_get_unit(isp->isp_dev)) {
 249                         break;
 250                 }
 251                 isp = isp->isp_osinfo.next;
 252         }
 253         if (isp == NULL)
 254                 return (ENXIO);
 255
 256         switch (cmd) {
 257 #ifdef  ISP_FW_CRASH_DUMP
 258         case ISP_GET_FW_CRASH_DUMP:
 259         {
 260                 u_int16_t *ptr = FCPARAM(isp)->isp_dump_data;
 261                 size_t sz;
 262
 263                 retval = 0;
 264                 if (IS_2200(isp))
 265                         sz = QLA2200_RISC_IMAGE_DUMP_SIZE;
 266                 else
 267                         sz = QLA2300_RISC_IMAGE_DUMP_SIZE;
 268                 ISP_LOCK(isp);
 269                 if (ptr && *ptr) {
 270                         void *uaddr = *((void **) addr);
 271                         if (copyout(ptr, uaddr, sz)) {
 272                                 retval = EFAULT;
 273                         } else {
 274                                 *ptr = 0;
 275                         }
 276                 } else {
 277                         retval = ENXIO;
 278                 }
 279                 ISP_UNLOCK(isp);
 280                 break;
 281         }
 282
 283         case ISP_FORCE_CRASH_DUMP:
 284                 ISP_LOCK(isp);
 285                 isp_freeze_loopdown(isp, "ispioctl(ISP_FORCE_CRASH_DUMP)");
 286                 isp_fw_dump(isp);
 287                 isp_reinit(isp);
 288                 ISP_UNLOCK(isp);
 289                 retval = 0;
 290                 break;
 291 #endif
 292         case ISP_SDBLEV:
 293         {
 294                 int olddblev = isp->isp_dblev;
 295                 isp->isp_dblev = *(int *)addr;
 296                 *(int *)addr = olddblev;
 297                 retval = 0;
 298                 break;
 299         }
 300         case ISP_RESETHBA:
 301                 ISP_LOCK(isp);
 302                 isp_reinit(isp);
 303                 ISP_UNLOCK(isp);
 304                 retval = 0;
 305                 break;
 306         case ISP_RESCAN:
 307                 if (IS_FC(isp)) {
 308                         ISP_LOCK(isp);
 309                         if (isp_fc_runstate(isp, 5 * 1000000)) {
 310                                 retval = EIO;
 311                         } else {
 312                                 retval = 0;
 313                         }
 314                         ISP_UNLOCK(isp);
 315                 }
 316                 break;
 317         case ISP_FC_LIP:
 318                 if (IS_FC(isp)) {
 319                         ISP_LOCK(isp);
 320                         if (isp_control(isp, ISPCTL_SEND_LIP, 0)) {
 321                                 retval = EIO;
 322                         } else {
 323                                 retval = 0;
 324                         }
 325                         ISP_UNLOCK(isp);
 326                 }
 327                 break;
 328         case ISP_FC_GETDINFO:
 329         {
 330                 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
 331                 struct lportdb *lp;
 332
 333                 if (ifc->loopid < 0 || ifc->loopid >= MAX_FC_TARG) {
 334                         retval = EINVAL;
 335                         break;
 336                 }
 337                 ISP_LOCK(isp);
 338                 lp = &FCPARAM(isp)->portdb[ifc->loopid];
 339                 if (lp->valid) {
 340                         ifc->loopid = lp->loopid;
 341                         ifc->portid = lp->portid;
 342                         ifc->node_wwn = lp->node_wwn;
 343                         ifc->port_wwn = lp->port_wwn;
 344                         retval = 0;
 345                 } else {
 346                         retval = ENODEV;
 347                 }
 348                 ISP_UNLOCK(isp);
 349                 break;
 350         }
 351         case ISP_GET_STATS:
 352         {
 353                 isp_stats_t *sp = (isp_stats_t *) addr;
 354
 355                 MEMZERO(sp, sizeof (*sp));
 356                 sp->isp_stat_version = ISP_STATS_VERSION;
 357                 sp->isp_type = isp->isp_type;
 358                 sp->isp_revision = isp->isp_revision;
 359                 ISP_LOCK(isp);
 360                 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
 361                 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
 362                 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
 363                 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
 364                 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
 365                 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
 366                 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
 367                 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
 368                 ISP_UNLOCK(isp);
 369                 retval = 0;
 370                 break;
 371         }
 372         case ISP_CLR_STATS:
 373                 ISP_LOCK(isp);
 374                 isp->isp_intcnt = 0;
 375                 isp->isp_intbogus = 0;
 376                 isp->isp_intmboxc = 0;
 377                 isp->isp_intoasync = 0;
 378                 isp->isp_rsltccmplt = 0;
 379                 isp->isp_fphccmplt = 0;
 380                 isp->isp_rscchiwater = 0;
 381                 isp->isp_fpcchiwater = 0;
 382                 ISP_UNLOCK(isp);
 383                 retval = 0;
 384                 break;
 385         case ISP_FC_GETHINFO:
 386         {
 387                 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
 388                 MEMZERO(hba, sizeof (*hba));
 389                 ISP_LOCK(isp);
 390                 hba->fc_speed = FCPARAM(isp)->isp_gbspeed;
 391                 hba->fc_scsi_supported = 1;
 392                 hba->fc_topology = FCPARAM(isp)->isp_topo + 1;
 393                 hba->fc_loopid = FCPARAM(isp)->isp_loopid;
 394                 hba->active_node_wwn = FCPARAM(isp)->isp_nodewwn;
 395                 hba->active_port_wwn = FCPARAM(isp)->isp_portwwn;
 396                 ISP_UNLOCK(isp);
 397                 retval = 0;
 398                 break;
 399         }
 400         case ISP_GET_FC_PARAM:
 401         {
 402                 struct isp_fc_param *f = (struct isp_fc_param *) addr;
 403
 404                 if (!IS_FC(isp)) {
 405                         retval = EINVAL;
 406                         break;
 407                 }
 408                 f->parameter = 0;
 409                 if (strcmp(f->param_name, "framelength") == 0) {
 410                         f->parameter = FCPARAM(isp)->isp_maxfrmlen;
 411                         retval = 0;
 412                         break;
 413                 }
 414                 if (strcmp(f->param_name, "exec_throttle") == 0) {
 415                         f->parameter = FCPARAM(isp)->isp_execthrottle;
 416                         retval = 0;
 417                         break;
 418                 }
 419                 if (strcmp(f->param_name, "fullduplex") == 0) {
 420                         if (FCPARAM(isp)->isp_fwoptions & ICBOPT_FULL_DUPLEX)
 421                                 f->parameter = 1;
 422                         retval = 0;
 423                         break;
 424                 }
 425                 if (strcmp(f->param_name, "loopid") == 0) {
 426                         f->parameter = FCPARAM(isp)->isp_loopid;
 427                         retval = 0;
 428                         break;
 429                 }
 430                 retval = EINVAL;
 431                 break;
 432         }
 433         case ISP_SET_FC_PARAM:
 434         {
 435                 struct isp_fc_param *f = (struct isp_fc_param *) addr;
 436                 u_int32_t param = f->parameter;
 437
 438                 if (!IS_FC(isp)) {
 439                         retval = EINVAL;
 440                         break;
 441                 }
 442                 f->parameter = 0;
 443                 if (strcmp(f->param_name, "framelength") == 0) {
 444                         if (param != 512 && param != 1024 && param != 1024) {
 445                                 retval = EINVAL;
 446                                 break;
 447                         }
 448                         FCPARAM(isp)->isp_maxfrmlen = param;
 449                         retval = 0;
 450                         break;
 451                 }
 452                 if (strcmp(f->param_name, "exec_throttle") == 0) {
 453                         if (param < 16 || param > 255) {
 454                                 retval = EINVAL;
 455                                 break;
 456                         }
 457                         FCPARAM(isp)->isp_execthrottle = param;
 458                         retval = 0;
 459                         break;
 460                 }
 461                 if (strcmp(f->param_name, "fullduplex") == 0) {
 462                         if (param != 0 && param != 1) {
 463                                 retval = EINVAL;
 464                                 break;
 465                         }
 466                         if (param) {
 467                                 FCPARAM(isp)->isp_fwoptions |=
 468                                     ICBOPT_FULL_DUPLEX;
 469                         } else {
 470                                 FCPARAM(isp)->isp_fwoptions &=
 471                                     ~ICBOPT_FULL_DUPLEX;
 472                         }
 473                         retval = 0;
 474                         break;
 475                 }
 476                 if (strcmp(f->param_name, "loopid") == 0) {
 477                         if (param < 0 || param > 125) {
 478                                 retval = EINVAL;
 479                                 break;
 480                         }
 481                         FCPARAM(isp)->isp_loopid = param;
 482                         retval = 0;
 483                         break;
 484                 }
 485                 retval = EINVAL;
 486                 break;
 487         }
 488         default:
 489                 break;
 490         }
 491         return (retval);
 492 }
 493
 494 static void
 495 isp_intr_enable(void *arg)
 496 {
 497         struct ispsoftc *isp = arg;
 498         if (isp->isp_role != ISP_ROLE_NONE) {
 499                 ENABLE_INTS(isp);
 500         }
 501         /* Release our hook so that the boot can continue. */
 502         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 503 }
 504
 505 /*
 506  * Put the target mode functions here, because some are inlines
 507  */
 508
 509 #ifdef  ISP_TARGET_MODE
 510
 511 static INLINE int is_lun_enabled(struct ispsoftc *, int, lun_id_t);
 512 static INLINE int are_any_luns_enabled(struct ispsoftc *, int);
 513 static INLINE tstate_t *get_lun_statep(struct ispsoftc *, int, lun_id_t);
 514 static INLINE void rls_lun_statep(struct ispsoftc *, tstate_t *);
 515 static INLINE int isp_psema_sig_rqe(struct ispsoftc *, int);
 516 static INLINE int isp_cv_wait_timed_rqe(struct ispsoftc *, int, int);
 517 static INLINE void isp_cv_signal_rqe(struct ispsoftc *, int, int);
 518 static INLINE void isp_vsema_rqe(struct ispsoftc *, int);
 519 static INLINE atio_private_data_t *isp_get_atpd(struct ispsoftc *, int);
 520 static cam_status
 521 create_lun_state(struct ispsoftc *, int, struct cam_path *, tstate_t **);
 522 static void destroy_lun_state(struct ispsoftc *, tstate_t *);
 523 static void isp_en_lun(struct ispsoftc *, union ccb *);
 524 static cam_status isp_abort_tgt_ccb(struct ispsoftc *, union ccb *);
 525 static timeout_t isp_refire_putback_atio;
 526 static void isp_complete_ctio(union ccb *);
 527 static void isp_target_putback_atio(union ccb *);
 528 static cam_status isp_target_start_ctio(struct ispsoftc *, union ccb *);
 529 static int isp_handle_platform_atio(struct ispsoftc *, at_entry_t *);
 530 static int isp_handle_platform_atio2(struct ispsoftc *, at2_entry_t *);
 531 static int isp_handle_platform_ctio(struct ispsoftc *, void *);
 532 static int isp_handle_platform_notify_scsi(struct ispsoftc *, in_entry_t *);
 533 static int isp_handle_platform_notify_fc(struct ispsoftc *, in_fcentry_t *);
 534
 535 static INLINE int
 536 is_lun_enabled(struct ispsoftc *isp, int bus, lun_id_t lun)
 537 {
 538         tstate_t *tptr;
 539         tptr = isp->isp_osinfo.lun_hash[LUN_HASH_FUNC(isp, bus, lun)];
 540         if (tptr == NULL) {
 541                 return (0);
 542         }
 543         do {
 544                 if (tptr->lun == (lun_id_t) lun && tptr->bus == bus) {
 545                         return (1);
 546                 }
 547         } while ((tptr = tptr->next) != NULL);
 548         return (0);
 549 }
 550
 551 static INLINE int
 552 are_any_luns_enabled(struct ispsoftc *isp, int port)
 553 {
 554         int lo, hi;
 555         if (IS_DUALBUS(isp)) {
 556                 lo = (port * (LUN_HASH_SIZE >> 1));
 557                 hi = lo + (LUN_HASH_SIZE >> 1);
 558         } else {
 559                 lo = 0;
 560                 hi = LUN_HASH_SIZE;
 561         }
 562         for (lo = 0; lo < hi; lo++) {
 563                 if (isp->isp_osinfo.lun_hash[lo]) {
 564                         return (1);
 565                 }
 566         }
 567         return (0);
 568 }
 569
 570 static INLINE tstate_t *
 571 get_lun_statep(struct ispsoftc *isp, int bus, lun_id_t lun)
 572 {
 573         tstate_t *tptr = NULL;
 574
 575         if (lun == CAM_LUN_WILDCARD) {
 576                 if (isp->isp_osinfo.tmflags[bus] & TM_WILDCARD_ENABLED) {
 577                         tptr = &isp->isp_osinfo.tsdflt[bus];
 578                         tptr->hold++;
 579                         return (tptr);
 580                 }
 581         } else {
 582                 tptr = isp->isp_osinfo.lun_hash[LUN_HASH_FUNC(isp, bus, lun)];
 583                 if (tptr == NULL) {
 584                         return (NULL);
 585                 }
 586         }
 587
 588         do {
 589                 if (tptr->lun == lun && tptr->bus == bus) {
 590                         tptr->hold++;
 591                         return (tptr);
 592                 }
 593         } while ((tptr = tptr->next) != NULL);
 594         return (tptr);
 595 }
 596
 597 static __inline void
 598 rls_lun_statep(struct ispsoftc *isp, tstate_t *tptr)
 599 {
 600         if (tptr->hold)
 601                 tptr->hold--;
 602 }
 603
 604 static __inline int
 605 isp_psema_sig_rqe(struct ispsoftc *isp, int bus)
 606 {
 607         while (isp->isp_osinfo.tmflags[bus] & TM_BUSY) {
 608                 isp->isp_osinfo.tmflags[bus] |= TM_WANTED;
 609                 if (tsleep(&isp->isp_osinfo.tmflags[bus], PCATCH, "i0", 0)) {
 610                         return (-1);
 611                 }
 612                 isp->isp_osinfo.tmflags[bus] |= TM_BUSY;
 613         }
 614         return (0);
 615 }
 616
 617 static __inline int
 618 isp_cv_wait_timed_rqe(struct ispsoftc *isp, int bus, int timo)
 619 {
 620         if (tsleep(&isp->isp_osinfo.rstatus[bus], 0, "qt1", timo)) {
 621                 return (-1);
 622         }
 623         return (0);
 624 }
 625
 626 static __inline void
 627 isp_cv_signal_rqe(struct ispsoftc *isp, int bus, int status)
 628 {
 629         isp->isp_osinfo.rstatus[bus] = status;
 630         wakeup(&isp->isp_osinfo.rstatus[bus]);
 631 }
 632
 633 static __inline void
 634 isp_vsema_rqe(struct ispsoftc *isp, int bus)
 635 {
 636         if (isp->isp_osinfo.tmflags[bus] & TM_WANTED) {
 637                 isp->isp_osinfo.tmflags[bus] &= ~TM_WANTED;
 638                 wakeup(&isp->isp_osinfo.tmflags[bus]);
 639         }
 640         isp->isp_osinfo.tmflags[bus] &= ~TM_BUSY;
 641 }
 642
 643 static __inline atio_private_data_t *
 644 isp_get_atpd(struct ispsoftc *isp, int tag)
 645 {
 646         atio_private_data_t *atp;
 647         for (atp = isp->isp_osinfo.atpdp;
 648             atp < &isp->isp_osinfo.atpdp[ATPDPSIZE]; atp++) {
 649                 if (atp->tag == tag)
 650                         return (atp);
 651         }
 652         return (NULL);
 653 }
 654
 655 static cam_status
 656 create_lun_state(struct ispsoftc *isp, int bus,
 657     struct cam_path *path, tstate_t **rslt)
 658 {
 659         cam_status status;
 660         lun_id_t lun;
 661         int hfx;
 662         tstate_t *tptr, *new;
 663
 664         lun = xpt_path_lun_id(path);
 665         if (lun < 0) {
 666                 return (CAM_LUN_INVALID);
 667         }
 668         if (is_lun_enabled(isp, bus, lun)) {
 669                 return (CAM_LUN_ALRDY_ENA);
 670         }
 671         new = malloc(sizeof (tstate_t), M_DEVBUF, M_WAITOK | M_ZERO);
 672         status = xpt_create_path(&new->owner, NULL, xpt_path_path_id(path),
 673             xpt_path_target_id(path), xpt_path_lun_id(path));
 674         if (status != CAM_REQ_CMP) {
 675                 free(new, M_DEVBUF);
 676                 return (status);
 677         }
 678         new->bus = bus;
 679         new->lun = lun;
 680         SLIST_INIT(&new->atios);
 681         SLIST_INIT(&new->inots);
 682         new->hold = 1;
 683
 684         hfx = LUN_HASH_FUNC(isp, new->bus, new->lun);
 685         tptr = isp->isp_osinfo.lun_hash[hfx];
 686         if (tptr == NULL) {
 687                 isp->isp_osinfo.lun_hash[hfx] = new;
 688         } else {
 689                 while (tptr->next)
 690                         tptr = tptr->next;
 691                 tptr->next = new;
 692         }
 693         *rslt = new;
 694         return (CAM_REQ_CMP);
 695 }
 696
 697 static INLINE void
 698 destroy_lun_state(struct ispsoftc *isp, tstate_t *tptr)
 699 {
 700         int hfx;
 701         tstate_t *lw, *pw;
 702
 703         hfx = LUN_HASH_FUNC(isp, tptr->bus, tptr->lun);
 704         if (tptr->hold) {
 705                 return;
 706         }
 707         pw = isp->isp_osinfo.lun_hash[hfx];
 708         if (pw == NULL) {
 709                 return;
 710         } else if (pw->lun == tptr->lun && pw->bus == tptr->bus) {
 711                 isp->isp_osinfo.lun_hash[hfx] = pw->next;
 712         } else {
 713                 lw = pw;
 714                 pw = lw->next;
 715                 while (pw) {
 716                         if (pw->lun == tptr->lun && pw->bus == tptr->bus) {
 717                                 lw->next = pw->next;
 718                                 break;
 719                         }
 720                         lw = pw;
 721                         pw = pw->next;
 722                 }
 723                 if (pw == NULL) {
 724                         return;
 725                 }
 726         }
 727         free(tptr, M_DEVBUF);
 728 }
 729
 730 /*
 731  * we enter with our locks held.
 732  */
 733 static void
 734 isp_en_lun(struct ispsoftc *isp, union ccb *ccb)
 735 {
 736         const char lfmt[] = "Lun now %sabled for target mode on channel %d";
 737         struct ccb_en_lun *cel = &ccb->cel;
 738         tstate_t *tptr;
 739         u_int16_t rstat;
 740         int bus, cmd, av, wildcard;
 741         lun_id_t lun;
 742         target_id_t tgt;
 743
 744
 745         bus = XS_CHANNEL(ccb) & 0x1;
 746         tgt = ccb->ccb_h.target_id;
 747         lun = ccb->ccb_h.target_lun;
 748
 749         /*
 750          * Do some sanity checking first.
 751          */
 752
 753         if ((lun != CAM_LUN_WILDCARD) &&
 754             (lun < 0 || lun >= (lun_id_t) isp->isp_maxluns)) {
 755                 ccb->ccb_h.status = CAM_LUN_INVALID;
 756                 return;
 757         }
 758
 759         if (IS_SCSI(isp)) {
 760                 sdparam *sdp = isp->isp_param;
 761                 sdp += bus;
 762                 if (tgt != CAM_TARGET_WILDCARD &&
 763                     tgt != sdp->isp_initiator_id) {
 764                         ccb->ccb_h.status = CAM_TID_INVALID;
 765                         return;
 766                 }
 767         } else {
 768                 if (tgt != CAM_TARGET_WILDCARD &&
 769                     tgt != FCPARAM(isp)->isp_iid) {
 770                         ccb->ccb_h.status = CAM_TID_INVALID;
 771                         return;
 772                 }
 773                 /*
 774                  * This is as a good a place as any to check f/w capabilities.
 775                  */
 776                 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_TMODE) == 0) {
 777                         isp_prt(isp, ISP_LOGERR,
 778                             "firmware does not support target mode");
 779                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 780                         return;
 781                 }
 782                 /*
 783                  * XXX: We *could* handle non-SCCLUN f/w, but we'd have to
 784                  * XXX: dorks with our already fragile enable/disable code.
 785                  */
 786                 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) == 0) {
 787                         isp_prt(isp, ISP_LOGERR,
 788                             "firmware not SCCLUN capable");
 789                 }
 790         }
 791
 792         if (tgt == CAM_TARGET_WILDCARD) {
 793                 if (lun == CAM_LUN_WILDCARD) {
 794                         wildcard = 1;
 795                 } else {
 796                         ccb->ccb_h.status = CAM_LUN_INVALID;
 797                         return;
 798                 }
 799         } else {
 800                 wildcard = 0;
 801         }
 802
 803         /*
 804          * Next check to see whether this is a target/lun wildcard action.
 805          *
 806          * If so, we know that we can accept commands for luns that haven't
 807          * been enabled yet and send them upstream. Otherwise, we have to
 808          * handle them locally (if we see them at all).
 809          */
 810
 811         if (wildcard) {
 812                 tptr = &isp->isp_osinfo.tsdflt[bus];
 813                 if (cel->enable) {
 814                         if (isp->isp_osinfo.tmflags[bus] &
 815                             TM_WILDCARD_ENABLED) {
 816                                 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
 817                                 return;
 818                         }
 819                         ccb->ccb_h.status =
 820                             xpt_create_path(&tptr->owner, NULL,
 821                             xpt_path_path_id(ccb->ccb_h.path),
 822                             xpt_path_target_id(ccb->ccb_h.path),
 823                             xpt_path_lun_id(ccb->ccb_h.path));
 824                         if (ccb->ccb_h.status != CAM_REQ_CMP) {
 825                                 return;
 826                         }
 827                         SLIST_INIT(&tptr->atios);
 828                         SLIST_INIT(&tptr->inots);
 829                         isp->isp_osinfo.tmflags[bus] |= TM_WILDCARD_ENABLED;
 830                 } else {
 831                         if ((isp->isp_osinfo.tmflags[bus] &
 832                             TM_WILDCARD_ENABLED) == 0) {
 833                                 ccb->ccb_h.status = CAM_REQ_CMP;
 834                                 return;
 835                         }
 836                         if (tptr->hold) {
 837                                 ccb->ccb_h.status = CAM_SCSI_BUSY;
 838                                 return;
 839                         }
 840                         xpt_free_path(tptr->owner);
 841                         isp->isp_osinfo.tmflags[bus] &= ~TM_WILDCARD_ENABLED;
 842                 }
 843         }
 844
 845         /*
 846          * Now check to see whether this bus needs to be
 847          * enabled/disabled with respect to target mode.
 848          */
 849         av = bus << 31;
 850         if (cel->enable && !(isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED)) {
 851                 av |= ENABLE_TARGET_FLAG;
 852                 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
 853                 if (av) {
 854                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 855                         if (wildcard) {
 856                                 isp->isp_osinfo.tmflags[bus] &=
 857                                     ~TM_WILDCARD_ENABLED;
 858                                 xpt_free_path(tptr->owner);
 859                         }
 860                         return;
 861                 }
 862                 isp->isp_osinfo.tmflags[bus] |= TM_TMODE_ENABLED;
 863                 isp_prt(isp, ISP_LOGINFO,
 864                     "Target Mode enabled on channel %d", bus);
 865         } else if (cel->enable == 0 &&
 866             (isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED) && wildcard) {
 867                 if (are_any_luns_enabled(isp, bus)) {
 868                         ccb->ccb_h.status = CAM_SCSI_BUSY;
 869                         return;
 870                 }
 871                 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
 872                 if (av) {
 873                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 874                         return;
 875                 }
 876                 isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED;
 877                 isp_prt(isp, ISP_LOGINFO,
 878                     "Target Mode disabled on channel %d", bus);
 879         }
 880
 881         if (wildcard) {
 882                 ccb->ccb_h.status = CAM_REQ_CMP;
 883                 return;
 884         }
 885
 886         if (cel->enable) {
 887                 ccb->ccb_h.status =
 888                     create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
 889                 if (ccb->ccb_h.status != CAM_REQ_CMP) {
 890                         return;
 891                 }
 892         } else {
 893                 tptr = get_lun_statep(isp, bus, lun);
 894                 if (tptr == NULL) {
 895                         ccb->ccb_h.status = CAM_LUN_INVALID;
 896                         return;
 897                 }
 898         }
 899
 900         if (isp_psema_sig_rqe(isp, bus)) {
 901                 rls_lun_statep(isp, tptr);
 902                 if (cel->enable)
 903                         destroy_lun_state(isp, tptr);
 904                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 905                 return;
 906         }
 907
 908         if (cel->enable) {
 909                 u_int32_t seq = isp->isp_osinfo.rollinfo++;
 910                 int c, n, ulun = lun;
 911
 912                 cmd = RQSTYPE_ENABLE_LUN;
 913                 c = DFLT_CMND_CNT;
 914                 n = DFLT_INOT_CNT;
 915                 if (IS_FC(isp) && lun != 0) {
 916                         cmd = RQSTYPE_MODIFY_LUN;
 917                         n = 0;
 918                         /*
 919                          * For SCC firmware, we only deal with setting
 920                          * (enabling or modifying) lun 0.
 921                          */
 922                         ulun = 0;
 923                 }
 924                 rstat = LUN_ERR;
 925                 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq)) {
 926                         xpt_print_path(ccb->ccb_h.path);
 927                         isp_prt(isp, ISP_LOGWARN, "isp_lun_cmd failed");
 928                         goto out;
 929                 }
 930                 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) {
 931                         xpt_print_path(ccb->ccb_h.path);
 932                         isp_prt(isp, ISP_LOGERR,
 933                             "wait for ENABLE/MODIFY LUN timed out");
 934                         goto out;
 935                 }
 936                 rstat = isp->isp_osinfo.rstatus[bus];
 937                 if (rstat != LUN_OK) {
 938                         xpt_print_path(ccb->ccb_h.path);
 939                         isp_prt(isp, ISP_LOGERR,
 940                             "ENABLE/MODIFY LUN returned 0x%x", rstat);
 941                         goto out;
 942                 }
 943         } else {
 944                 int c, n, ulun = lun;
 945                 u_int32_t seq;
 946
 947                 rstat = LUN_ERR;
 948                 seq = isp->isp_osinfo.rollinfo++;
 949                 cmd = -RQSTYPE_MODIFY_LUN;
 950
 951                 c = DFLT_CMND_CNT;
 952                 n = DFLT_INOT_CNT;
 953                 if (IS_FC(isp) && lun != 0) {
 954                         n = 0;
 955                         /*
 956                          * For SCC firmware, we only deal with setting
 957                          * (enabling or modifying) lun 0.
 958                          */
 959                         ulun = 0;
 960                 }
 961                 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq)) {
 962                         xpt_print_path(ccb->ccb_h.path);
 963                         isp_prt(isp, ISP_LOGERR, "isp_lun_cmd failed");
 964                         goto out;
 965                 }
 966                 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) {
 967                         xpt_print_path(ccb->ccb_h.path);
 968                         isp_prt(isp, ISP_LOGERR,
 969                             "wait for MODIFY LUN timed out");
 970                         goto out;
 971                 }
 972                 rstat = isp->isp_osinfo.rstatus[bus];
 973                 if (rstat != LUN_OK) {
 974                         xpt_print_path(ccb->ccb_h.path);
 975                         isp_prt(isp, ISP_LOGERR,
 976                             "MODIFY LUN returned 0x%x", rstat);
 977                         goto out;
 978                 }
 979                 if (IS_FC(isp) && lun) {
 980                         goto out;
 981                 }
 982
 983                 seq = isp->isp_osinfo.rollinfo++;
 984
 985                 rstat = LUN_ERR;
 986                 cmd = -RQSTYPE_ENABLE_LUN;
 987                 if (isp_lun_cmd(isp, cmd, bus, tgt, lun, 0, 0, seq)) {
 988                         xpt_print_path(ccb->ccb_h.path);
 989                         isp_prt(isp, ISP_LOGERR, "isp_lun_cmd failed");
 990                         goto out;
 991                 }
 992                 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) {
 993                         xpt_print_path(ccb->ccb_h.path);
 994                         isp_prt(isp, ISP_LOGERR,
 995                              "wait for DISABLE LUN timed out");
 996                         goto out;
 997                 }
 998                 rstat = isp->isp_osinfo.rstatus[bus];
 999                 if (rstat != LUN_OK) {
1000                         xpt_print_path(ccb->ccb_h.path);
1001                         isp_prt(isp, ISP_LOGWARN,
1002                             "DISABLE LUN returned 0x%x", rstat);
1003                         goto out;
1004                 }
1005                 if (are_any_luns_enabled(isp, bus) == 0) {
1006                         av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
1007                         if (av) {
1008                                 isp_prt(isp, ISP_LOGWARN,
1009                                     "disable target mode on channel %d failed",
1010                                     bus);
1011                                 goto out;
1012                         }
1013                         isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED;
1014                         xpt_print_path(ccb->ccb_h.path);
1015                         isp_prt(isp, ISP_LOGINFO,
1016                             "Target Mode disabled on channel %d", bus);
1017                 }
1018         }
1019
1020 out:
1021         isp_vsema_rqe(isp, bus);
1022
1023         if (rstat != LUN_OK) {
1024                 xpt_print_path(ccb->ccb_h.path);
1025                 isp_prt(isp, ISP_LOGWARN,
1026                     "lun %sable failed", (cel->enable) ? "en" : "dis");
1027                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1028                 rls_lun_statep(isp, tptr);
1029                 if (cel->enable)
1030                         destroy_lun_state(isp, tptr);
1031         } else {
1032                 xpt_print_path(ccb->ccb_h.path);
1033                 isp_prt(isp, ISP_LOGINFO, lfmt,
1034                     (cel->enable) ? "en" : "dis", bus);
1035                 rls_lun_statep(isp, tptr);
1036                 if (cel->enable == 0) {
1037                         destroy_lun_state(isp, tptr);
1038                 }
1039                 ccb->ccb_h.status = CAM_REQ_CMP;
1040         }
1041 }
1042
1043 static cam_status
1044 isp_abort_tgt_ccb(struct ispsoftc *isp, union ccb *ccb)
1045 {
1046         tstate_t *tptr;
1047         struct ccb_hdr_slist *lp;
1048         struct ccb_hdr *curelm;
1049         int found;
1050         union ccb *accb = ccb->cab.abort_ccb;
1051
1052         if (accb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
1053                 if (IS_FC(isp) && (accb->ccb_h.target_id !=
1054                     ((fcparam *) isp->isp_param)->isp_loopid)) {
1055                         return (CAM_PATH_INVALID);
1056                 } else if (IS_SCSI(isp) && (accb->ccb_h.target_id !=
1057                     ((sdparam *) isp->isp_param)->isp_initiator_id)) {
1058                         return (CAM_PATH_INVALID);
1059                 }
1060         }
1061         tptr = get_lun_statep(isp, XS_CHANNEL(ccb), accb->ccb_h.target_lun);
1062         if (tptr == NULL) {
1063                 return (CAM_PATH_INVALID);
1064         }
1065         if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
1066                 lp = &tptr->atios;
1067         } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
1068                 lp = &tptr->inots;
1069         } else {
1070                 rls_lun_statep(isp, tptr);
1071                 return (CAM_UA_ABORT);
1072         }
1073         curelm = SLIST_FIRST(lp);
1074         found = 0;
1075         if (curelm == &accb->ccb_h) {
1076                 found = 1;
1077                 SLIST_REMOVE_HEAD(lp, sim_links.sle);
1078         } else {
1079                 while(curelm != NULL) {
1080                         struct ccb_hdr *nextelm;
1081
1082                         nextelm = SLIST_NEXT(curelm, sim_links.sle);
1083                         if (nextelm == &accb->ccb_h) {
1084                                 found = 1;
1085                                 SLIST_NEXT(curelm, sim_links.sle) =
1086                                     SLIST_NEXT(nextelm, sim_links.sle);
1087                                 break;
1088                         }
1089                         curelm = nextelm;
1090                 }
1091         }
1092         rls_lun_statep(isp, tptr);
1093         if (found) {
1094                 accb->ccb_h.status = CAM_REQ_ABORTED;
1095                 return (CAM_REQ_CMP);
1096         }
1097         return(CAM_PATH_INVALID);
1098 }
1099
1100 static cam_status
1101 isp_target_start_ctio(struct ispsoftc *isp, union ccb *ccb)
1102 {
1103         void *qe;
1104         struct ccb_scsiio *cso = &ccb->csio;
1105         u_int16_t *hp, save_handle;
1106         u_int16_t nxti, optr;
1107         u_int8_t local[QENTRY_LEN];
1108
1109
1110         if (isp_getrqentry(isp, &nxti, &optr, &qe)) {
1111                 xpt_print_path(ccb->ccb_h.path);
1112                 printf("Request Queue Overflow in isp_target_start_ctio\n");
1113                 return (CAM_RESRC_UNAVAIL);
1114         }
1115         bzero(local, QENTRY_LEN);
1116
1117         /*
1118          * We're either moving data or completing a command here.
1119          */
1120
1121         if (IS_FC(isp)) {
1122                 atio_private_data_t *atp;
1123                 ct2_entry_t *cto = (ct2_entry_t *) local;
1124
1125                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1126                 cto->ct_header.rqs_entry_count = 1;
1127                 cto->ct_iid = cso->init_id;
1128                 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) == 0) {
1129                         cto->ct_lun = ccb->ccb_h.target_lun;
1130                 }
1131
1132                 atp = isp_get_atpd(isp, cso->tag_id);
1133                 if (atp == NULL) {
1134                         isp_prt(isp, ISP_LOGERR,
1135                             "cannot find private data adjunct for tag %x",
1136                             cso->tag_id);
1137                         return (-1);
1138                 }
1139
1140                 cto->ct_rxid = cso->tag_id;
1141                 if (cso->dxfer_len == 0) {
1142                         cto->ct_flags |= CT2_FLAG_MODE1 | CT2_NO_DATA;
1143                         if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1144                                 cto->ct_flags |= CT2_SENDSTATUS;
1145                                 cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1146                                 cto->ct_resid =
1147                                     atp->orig_datalen - atp->bytes_xfered;
1148                                 if (cto->ct_resid < 0) {
1149                                         cto->rsp.m1.ct_scsi_status |=
1150                                             CT2_DATA_OVER;
1151                                 } else if (cto->ct_resid > 0) {
1152                                         cto->rsp.m1.ct_scsi_status |=
1153                                             CT2_DATA_UNDER;
1154                                 }
1155                         }
1156                         if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) {
1157                                 int m = min(cso->sense_len, MAXRESPLEN);
1158                                 bcopy(&cso->sense_data, cto->rsp.m1.ct_resp, m);
1159                                 cto->rsp.m1.ct_senselen = m;
1160                                 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1161                         }
1162                 } else {
1163                         cto->ct_flags |= CT2_FLAG_MODE0;
1164                         if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1165                                 cto->ct_flags |= CT2_DATA_IN;
1166                         } else {
1167                                 cto->ct_flags |= CT2_DATA_OUT;
1168                         }
1169                         cto->ct_reloff = atp->bytes_xfered;
1170                         if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
1171                                 cto->ct_flags |= CT2_SENDSTATUS;
1172                                 cto->rsp.m0.ct_scsi_status = cso->scsi_status;
1173                                 cto->ct_resid =
1174                                     atp->orig_datalen -
1175                                     (atp->bytes_xfered + cso->dxfer_len);
1176                                 if (cto->ct_resid < 0) {
1177                                         cto->rsp.m0.ct_scsi_status |=
1178                                             CT2_DATA_OVER;
1179                                 } else if (cto->ct_resid > 0) {
1180                                         cto->rsp.m0.ct_scsi_status |=
1181                                             CT2_DATA_UNDER;
1182                                 }
1183                         } else {
1184                                 atp->last_xframt = cso->dxfer_len;
1185                         }
1186                         /*
1187                          * If we're sending data and status back together,
1188                          * we can't also send back sense data as well.
1189                          */
1190                         ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1191                 }
1192
1193                 if (cto->ct_flags & CT2_SENDSTATUS) {
1194                         isp_prt(isp, ISP_LOGTDEBUG0,
1195                             "CTIO2[%x] STATUS %x origd %u curd %u resid %u",
1196                             cto->ct_rxid, cso->scsi_status, atp->orig_datalen,
1197                             cso->dxfer_len, cto->ct_resid);
1198                         cto->ct_flags |= CT2_CCINCR;
1199                         atp->state = ATPD_STATE_LAST_CTIO;
1200                 } else
1201                         atp->state = ATPD_STATE_CTIO;
1202                 cto->ct_timeout = 10;
1203                 hp = &cto->ct_syshandle;
1204         } else {
1205                 ct_entry_t *cto = (ct_entry_t *) local;
1206
1207                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO;
1208                 cto->ct_header.rqs_entry_count = 1;
1209                 cto->ct_iid = cso->init_id;
1210                 cto->ct_iid |= XS_CHANNEL(ccb) << 7;
1211                 cto->ct_tgt = ccb->ccb_h.target_id;
1212                 cto->ct_lun = ccb->ccb_h.target_lun;
1213                 cto->ct_fwhandle = AT_GET_HANDLE(cso->tag_id);
1214                 if (AT_HAS_TAG(cso->tag_id)) {
1215                         cto->ct_tag_val = (u_int8_t) AT_GET_TAG(cso->tag_id);
1216                         cto->ct_flags |= CT_TQAE;
1217                 }
1218                 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
1219                         cto->ct_flags |= CT_NODISC;
1220                 }
1221                 if (cso->dxfer_len == 0) {
1222                         cto->ct_flags |= CT_NO_DATA;
1223                 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1224                         cto->ct_flags |= CT_DATA_IN;
1225                 } else {
1226                         cto->ct_flags |= CT_DATA_OUT;
1227                 }
1228                 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1229                         cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR;
1230                         cto->ct_scsi_status = cso->scsi_status;
1231                         cto->ct_resid = cso->resid;
1232                         isp_prt(isp, ISP_LOGTDEBUG0,
1233                             "CTIO[%x] SCSI STATUS 0x%x resid %d tag_id %x",
1234                             cto->ct_fwhandle, cso->scsi_status, cso->resid,
1235                             cso->tag_id);
1236                 }
1237                 ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1238                 cto->ct_timeout = 10;
1239                 hp = &cto->ct_syshandle;
1240         }
1241
1242         if (isp_save_xs(isp, (XS_T *)ccb, hp)) {
1243                 xpt_print_path(ccb->ccb_h.path);
1244                 printf("No XFLIST pointers for isp_target_start_ctio\n");
1245                 return (CAM_RESRC_UNAVAIL);
1246         }
1247
1248
1249         /*
1250          * Call the dma setup routines for this entry (and any subsequent
1251          * CTIOs) if there's data to move, and then tell the f/w it's got
1252          * new things to play with. As with isp_start's usage of DMA setup,
1253          * any swizzling is done in the machine dependent layer. Because
1254          * of this, we put the request onto the queue area first in native
1255          * format.
1256          */
1257
1258         save_handle = *hp;
1259
1260         switch (ISP_DMASETUP(isp, cso, (ispreq_t *) local, &nxti, optr)) {
1261         case CMD_QUEUED:
1262                 ISP_ADD_REQUEST(isp, nxti);
1263                 return (CAM_REQ_INPROG);
1264
1265         case CMD_EAGAIN:
1266                 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
1267                 isp_destroy_handle(isp, save_handle);
1268                 return (CAM_RESRC_UNAVAIL);
1269
1270         default:
1271                 isp_destroy_handle(isp, save_handle);
1272                 return (XS_ERR(ccb));
1273         }
1274 }
1275
1276 static void
1277 isp_refire_putback_atio(void *arg)
1278 {
1279         int s = splcam();
1280         isp_target_putback_atio(arg);
1281         splx(s);
1282 }
1283
1284 static void
1285 isp_target_putback_atio(union ccb *ccb)
1286 {
1287         struct ispsoftc *isp;
1288         struct ccb_scsiio *cso;
1289         u_int16_t nxti, optr;
1290         void *qe;
1291
1292         isp = XS_ISP(ccb);
1293
1294         if (isp_getrqentry(isp, &nxti, &optr, &qe)) {
1295                 (void) timeout(isp_refire_putback_atio, ccb, 10);
1296                 isp_prt(isp, ISP_LOGWARN,
1297                     "isp_target_putback_atio: Request Queue Overflow");
1298                 return;
1299         }
1300         bzero(qe, QENTRY_LEN);
1301         cso = &ccb->csio;
1302         if (IS_FC(isp)) {
1303                 at2_entry_t local, *at = &local;
1304                 MEMZERO(at, sizeof (at2_entry_t));
1305                 at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1306                 at->at_header.rqs_entry_count = 1;
1307                 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) != 0) {
1308                         at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1309                 } else {
1310                         at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1311                 }
1312                 at->at_status = CT_OK;
1313                 at->at_rxid = cso->tag_id;
1314                 at->at_iid = cso->ccb_h.target_id;
1315                 isp_put_atio2(isp, at, qe);
1316         } else {
1317                 at_entry_t local, *at = &local;
1318                 MEMZERO(at, sizeof (at_entry_t));
1319                 at->at_header.rqs_entry_type = RQSTYPE_ATIO;
1320                 at->at_header.rqs_entry_count = 1;
1321                 at->at_iid = cso->init_id;
1322                 at->at_iid |= XS_CHANNEL(ccb) << 7;
1323                 at->at_tgt = cso->ccb_h.target_id;
1324                 at->at_lun = cso->ccb_h.target_lun;
1325                 at->at_status = CT_OK;
1326                 at->at_tag_val = AT_GET_TAG(cso->tag_id);
1327                 at->at_handle = AT_GET_HANDLE(cso->tag_id);
1328                 isp_put_atio(isp, at, qe);
1329         }
1330         ISP_TDQE(isp, "isp_target_putback_atio", (int) optr, qe);
1331         ISP_ADD_REQUEST(isp, nxti);
1332         isp_complete_ctio(ccb);
1333 }
1334
1335 static void
1336 isp_complete_ctio(union ccb *ccb)
1337 {
1338         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1339                 ccb->ccb_h.status |= CAM_REQ_CMP;
1340         }
1341         ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1342         xpt_done(ccb);
1343 }
1344
1345 /*
1346  * Handle ATIO stuff that the generic code can't.
1347  * This means handling CDBs.
1348  */
1349
1350 static int
1351 isp_handle_platform_atio(struct ispsoftc *isp, at_entry_t *aep)
1352 {
1353         tstate_t *tptr;
1354         int status, bus, iswildcard;
1355         struct ccb_accept_tio *atiop;
1356
1357         /*
1358          * The firmware status (except for the QLTM_SVALID bit)
1359          * indicates why this ATIO was sent to us.
1360          *
1361          * If QLTM_SVALID is set, the firware has recommended Sense Data.
1362          *
1363          * If the DISCONNECTS DISABLED bit is set in the flags field,
1364          * we're still connected on the SCSI bus.
1365          */
1366         status = aep->at_status;
1367         if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) {
1368                 /*
1369                  * Bus Phase Sequence error. We should have sense data
1370                  * suggested by the f/w. I'm not sure quite yet what
1371                  * to do about this for CAM.
1372                  */
1373                 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR");
1374                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1375                 return (0);
1376         }
1377         if ((status & ~QLTM_SVALID) != AT_CDB) {
1378                 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform",
1379                     status);
1380                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1381                 return (0);
1382         }
1383
1384         bus = GET_BUS_VAL(aep->at_iid);
1385         tptr = get_lun_statep(isp, bus, aep->at_lun);
1386         if (tptr == NULL) {
1387                 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
1388                 iswildcard = 1;
1389         } else {
1390                 iswildcard = 0;
1391         }
1392
1393         if (tptr == NULL) {
1394                 /*
1395                  * Because we can't autofeed sense data back with
1396                  * a command for parallel SCSI, we can't give back
1397                  * a CHECK CONDITION. We'll give back a BUSY status
1398                  * instead. This works out okay because the only
1399                  * time we should, in fact, get this, is in the
1400                  * case that somebody configured us without the
1401                  * blackhole driver, so they get what they deserve.
1402                  */
1403                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1404                 return (0);
1405         }
1406
1407         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1408         if (atiop == NULL) {
1409                 /*
1410                  * Because we can't autofeed sense data back with
1411                  * a command for parallel SCSI, we can't give back
1412                  * a CHECK CONDITION. We'll give back a QUEUE FULL status
1413                  * instead. This works out okay because the only time we
1414                  * should, in fact, get this, is in the case that we've
1415                  * run out of ATIOS.
1416                  */
1417                 xpt_print_path(tptr->owner);
1418                 isp_prt(isp, ISP_LOGWARN,
1419                     "no ATIOS for lun %d from initiator %d on channel %d",
1420                     aep->at_lun, GET_IID_VAL(aep->at_iid), bus);
1421                 if (aep->at_flags & AT_TQAE)
1422                         isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0);
1423                 else
1424                         isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1425                 rls_lun_statep(isp, tptr);
1426                 return (0);
1427         }
1428         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1429         if (iswildcard) {
1430                 atiop->ccb_h.target_id = aep->at_tgt;
1431                 atiop->ccb_h.target_lun = aep->at_lun;
1432         }
1433         if (aep->at_flags & AT_NODISC) {
1434                 atiop->ccb_h.flags = CAM_DIS_DISCONNECT;
1435         } else {
1436                 atiop->ccb_h.flags = 0;
1437         }
1438
1439         if (status & QLTM_SVALID) {
1440                 size_t amt = imin(QLTM_SENSELEN, sizeof (atiop->sense_data));
1441                 atiop->sense_len = amt;
1442                 MEMCPY(&atiop->sense_data, aep->at_sense, amt);
1443         } else {
1444                 atiop->sense_len = 0;
1445         }
1446
1447         atiop->init_id = GET_IID_VAL(aep->at_iid);
1448         atiop->cdb_len = aep->at_cdblen;
1449         MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen);
1450         atiop->ccb_h.status = CAM_CDB_RECVD;
1451         /*
1452          * Construct a tag 'id' based upon tag value (which may be 0..255)
1453          * and the handle (which we have to preserve).
1454          */
1455         AT_MAKE_TAGID(atiop->tag_id, aep);
1456         if (aep->at_flags & AT_TQAE) {
1457                 atiop->tag_action = aep->at_tag_type;
1458                 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID;
1459         }
1460         xpt_done((union ccb*)atiop);
1461         isp_prt(isp, ISP_LOGTDEBUG0,
1462             "ATIO[%x] CDB=0x%x bus %d iid%d->lun%d tag 0x%x ttype 0x%x %s",
1463             aep->at_handle, aep->at_cdb[0] & 0xff, GET_BUS_VAL(aep->at_iid),
1464             GET_IID_VAL(aep->at_iid), aep->at_lun, aep->at_tag_val & 0xff,
1465             aep->at_tag_type, (aep->at_flags & AT_NODISC)?
1466             "nondisc" : "disconnecting");
1467         rls_lun_statep(isp, tptr);
1468         return (0);
1469 }
1470
1471 static int
1472 isp_handle_platform_atio2(struct ispsoftc *isp, at2_entry_t *aep)
1473 {
1474         lun_id_t lun;
1475         tstate_t *tptr;
1476         struct ccb_accept_tio *atiop;
1477         atio_private_data_t *atp;
1478
1479         /*
1480          * The firmware status (except for the QLTM_SVALID bit)
1481          * indicates why this ATIO was sent to us.
1482          *
1483          * If QLTM_SVALID is set, the firware has recommended Sense Data.
1484          */
1485         if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1486                 isp_prt(isp, ISP_LOGWARN,
1487                     "bogus atio (0x%x) leaked to platform", aep->at_status);
1488                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1489                 return (0);
1490         }
1491
1492         if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) != 0) {
1493                 lun = aep->at_scclun;
1494         } else {
1495                 lun = aep->at_lun;
1496         }
1497         tptr = get_lun_statep(isp, 0, lun);
1498         if (tptr == NULL) {
1499                 isp_prt(isp, ISP_LOGWARN, "no state pointer for lun %d", lun);
1500                 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1501         }
1502
1503         if (tptr == NULL) {
1504                 /*
1505                  * What we'd like to know is whether or not we have a listener
1506                  * upstream that really hasn't configured yet. If we do, then
1507                  * we can give a more sensible reply here. If not, then we can
1508                  * reject this out of hand.
1509                  *
1510                  * Choices for what to send were
1511                  *
1512                  *      Not Ready, Unit Not Self-Configured Yet
1513                  *      (0x2,0x3e,0x00)
1514                  *
1515                  * for the former and
1516                  *
1517                  *      Illegal Request, Logical Unit Not Supported
1518                  *      (0x5,0x25,0x00)
1519                  *
1520                  * for the latter.
1521                  *
1522                  * We used to decide whether there was at least one listener
1523                  * based upon whether the black hole driver was configured.
1524                  * However, recent config(8) changes have made this hard to do
1525                  * at this time.
1526                  *
1527                  */
1528                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1529                 return (0);
1530         }
1531
1532         atp = isp_get_atpd(isp, 0);
1533         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1534         if (atiop == NULL || atp == NULL) {
1535                 /*
1536                  * Because we can't autofeed sense data back with
1537                  * a command for parallel SCSI, we can't give back
1538                  * a CHECK CONDITION. We'll give back a QUEUE FULL status
1539                  * instead. This works out okay because the only time we
1540                  * should, in fact, get this, is in the case that we've
1541                  * run out of ATIOS.
1542                  */
1543                 xpt_print_path(tptr->owner);
1544                 isp_prt(isp, ISP_LOGWARN,
1545                     "no %s for lun %d from initiator %d",
1546                     (atp == NULL && atiop == NULL)? "ATIO2s *or* ATPS" :
1547                     ((atp == NULL)? "ATPs" : "ATIO2s"), lun, aep->at_iid);
1548                 rls_lun_statep(isp, tptr);
1549                 isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0);
1550                 return (0);
1551         }
1552         atp->state = ATPD_STATE_ATIO;
1553         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1554         tptr->atio_count--;
1555         isp_prt(isp, ISP_LOGTDEBUG0, "Take FREE ATIO2 lun %d, count now %d",
1556             lun, tptr->atio_count);
1557
1558         if (tptr == &isp->isp_osinfo.tsdflt[0]) {
1559                 atiop->ccb_h.target_id =
1560                     ((fcparam *)isp->isp_param)->isp_loopid;
1561                 atiop->ccb_h.target_lun = lun;
1562         }
1563         /*
1564          * We don't get 'suggested' sense data as we do with SCSI cards.
1565          */
1566         atiop->sense_len = 0;
1567
1568         atiop->init_id = aep->at_iid;
1569         atiop->cdb_len = ATIO2_CDBLEN;
1570         MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1571         atiop->ccb_h.status = CAM_CDB_RECVD;
1572         atiop->tag_id = aep->at_rxid;
1573         switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1574         case ATIO2_TC_ATTR_SIMPLEQ:
1575                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1576                 break;
1577         case ATIO2_TC_ATTR_HEADOFQ:
1578                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1579                 break;
1580         case ATIO2_TC_ATTR_ORDERED:
1581                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1582                 break;
1583         case ATIO2_TC_ATTR_ACAQ:                /* ?? */
1584         case ATIO2_TC_ATTR_UNTAGGED:
1585         default:
1586                 atiop->tag_action = 0;
1587                 break;
1588         }
1589         atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
1590
1591         atp->tag = atiop->tag_id;
1592         atp->lun = lun;
1593         atp->orig_datalen = aep->at_datalen;
1594         atp->last_xframt = 0;
1595         atp->bytes_xfered = 0;
1596         atp->state = ATPD_STATE_CAM;
1597         xpt_done((union ccb*)atiop);
1598
1599         isp_prt(isp, ISP_LOGTDEBUG0,
1600             "ATIO2[%x] CDB=0x%x iid%d->lun%d tattr 0x%x datalen %u",
1601             aep->at_rxid, aep->at_cdb[0] & 0xff, aep->at_iid,
1602             lun, aep->at_taskflags, aep->at_datalen);
1603         rls_lun_statep(isp, tptr);
1604         return (0);
1605 }
1606
1607 static int
1608 isp_handle_platform_ctio(struct ispsoftc *isp, void *arg)
1609 {
1610         union ccb *ccb;
1611         int sentstatus, ok, notify_cam, resid = 0;
1612         u_int16_t tval;
1613
1614         /*
1615          * CTIO and CTIO2 are close enough....
1616          */
1617
1618         ccb = (union ccb *) isp_find_xs(isp, ((ct_entry_t *)arg)->ct_syshandle);
1619         KASSERT((ccb != NULL), ("null ccb in isp_handle_platform_ctio"));
1620         isp_destroy_handle(isp, ((ct_entry_t *)arg)->ct_syshandle);
1621
1622         if (IS_FC(isp)) {
1623                 ct2_entry_t *ct = arg;
1624                 atio_private_data_t *atp = isp_get_atpd(isp, ct->ct_rxid);
1625                 if (atp == NULL) {
1626                         isp_prt(isp, ISP_LOGERR,
1627                             "cannot find adjunct for %x after I/O",
1628                             ct->ct_rxid);
1629                         return (0);
1630                 }
1631                 sentstatus = ct->ct_flags & CT2_SENDSTATUS;
1632                 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
1633                 if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
1634                         ccb->ccb_h.status |= CAM_SENT_SENSE;
1635                 }
1636                 notify_cam = ct->ct_header.rqs_seqno & 0x1;
1637                 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
1638                         resid = ct->ct_resid;
1639                         atp->bytes_xfered += (atp->last_xframt - resid);
1640                         atp->last_xframt = 0;
1641                 }
1642                 if (sentstatus || !ok) {
1643                         atp->tag = 0;
1644                 }
1645                 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN,
1646                     "CTIO2[%x] sts 0x%x flg 0x%x sns %d resid %d %s",
1647                     ct->ct_rxid, ct->ct_status, ct->ct_flags,
1648                     (ccb->ccb_h.status & CAM_SENT_SENSE) != 0,
1649                     resid, sentstatus? "FIN" : "MID");
1650                 tval = ct->ct_rxid;
1651
1652                 /* XXX: should really come after isp_complete_ctio */
1653                 atp->state = ATPD_STATE_PDON;
1654         } else {
1655                 ct_entry_t *ct = arg;
1656                 sentstatus = ct->ct_flags & CT_SENDSTATUS;
1657                 ok = (ct->ct_status  & ~QLTM_SVALID) == CT_OK;
1658                 /*
1659                  * We *ought* to be able to get back to the original ATIO
1660                  * here, but for some reason this gets lost. It's just as
1661                  * well because it's squirrelled away as part of periph
1662                  * private data.
1663                  *
1664                  * We can live without it as long as we continue to use
1665                  * the auto-replenish feature for CTIOs.
1666                  */
1667                 notify_cam = ct->ct_header.rqs_seqno & 0x1;
1668                 if (ct->ct_status & QLTM_SVALID) {
1669                         char *sp = (char *)ct;
1670                         sp += CTIO_SENSE_OFFSET;
1671                         ccb->csio.sense_len =
1672                             min(sizeof (ccb->csio.sense_data), QLTM_SENSELEN);
1673                         MEMCPY(&ccb->csio.sense_data, sp, ccb->csio.sense_len);
1674                         ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
1675                 }
1676                 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) {
1677                         resid = ct->ct_resid;
1678                 }
1679                 isp_prt(isp, ISP_LOGTDEBUG0,
1680                     "CTIO[%x] tag %x iid %d lun %d sts %x flg %x resid %d %s",
1681                     ct->ct_fwhandle, ct->ct_tag_val, ct->ct_iid, ct->ct_lun,
1682                     ct->ct_status, ct->ct_flags, resid,
1683                     sentstatus? "FIN" : "MID");
1684                 tval = ct->ct_fwhandle;
1685         }
1686         ccb->csio.resid += resid;
1687
1688         /*
1689          * We're here either because intermediate data transfers are done
1690          * and/or the final status CTIO (which may have joined with a
1691          * Data Transfer) is done.
1692          *
1693          * In any case, for this platform, the upper layers figure out
1694          * what to do next, so all we do here is collect status and
1695          * pass information along. Any DMA handles have already been
1696          * freed.
1697          */
1698         if (notify_cam == 0) {
1699                 isp_prt(isp, ISP_LOGTDEBUG0, "  INTER CTIO[0x%x] done", tval);
1700                 return (0);
1701         }
1702
1703         isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done",
1704             (sentstatus)? "  FINAL " : "MIDTERM ", tval);
1705
1706         if (!ok) {
1707                 isp_target_putback_atio(ccb);
1708         } else {
1709                 isp_complete_ctio(ccb);
1710
1711         }
1712         return (0);
1713 }
1714
1715 static int
1716 isp_handle_platform_notify_scsi(struct ispsoftc *isp, in_entry_t *inp)
1717 {
1718         return (0);     /* XXXX */
1719 }
1720
1721 static int
1722 isp_handle_platform_notify_fc(struct ispsoftc *isp, in_fcentry_t *inp)
1723 {
1724
1725         switch (inp->in_status) {
1726         case IN_PORT_LOGOUT:
1727                 isp_prt(isp, ISP_LOGWARN, "port logout of iid %d",
1728                    inp->in_iid);
1729                 break;
1730         case IN_PORT_CHANGED:
1731                 isp_prt(isp, ISP_LOGWARN, "port changed for iid %d",
1732                    inp->in_iid);
1733                 break;
1734         case IN_GLOBAL_LOGO:
1735                 isp_prt(isp, ISP_LOGINFO, "all ports logged out");
1736                 break;
1737         case IN_ABORT_TASK:
1738         {
1739                 atio_private_data_t *atp = isp_get_atpd(isp, inp->in_seqid);
1740                 struct ccb_immed_notify *inot = NULL;
1741
1742                 if (atp) {
1743                         tstate_t *tptr = get_lun_statep(isp, 0, atp->lun);
1744                         if (tptr) {
1745                                 inot = (struct ccb_immed_notify *)
1746                                     SLIST_FIRST(&tptr->inots);
1747                                 if (inot) {
1748                                         SLIST_REMOVE_HEAD(&tptr->inots,
1749                                             sim_links.sle);
1750                                 }
1751                         }
1752                         isp_prt(isp, ISP_LOGWARN,
1753                            "abort task RX_ID %x IID %d state %d",
1754                            inp->in_seqid, inp->in_iid, atp->state);
1755                 } else {
1756                         isp_prt(isp, ISP_LOGWARN,
1757                            "abort task RX_ID %x from iid %d, state unknown",
1758                            inp->in_seqid, inp->in_iid);
1759                 }
1760                 if (inot) {
1761                         inot->initiator_id = inp->in_iid;
1762                         inot->sense_len = 0;
1763                         inot->message_args[0] = MSG_ABORT_TAG;
1764                         inot->message_args[1] = inp->in_seqid & 0xff;
1765                         inot->message_args[2] = (inp->in_seqid >> 8) & 0xff;
1766                         inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN;
1767                         xpt_done((union ccb *)inot);
1768                 }
1769                 break;
1770         }
1771         default:
1772                 break;
1773         }
1774         return (0);
1775 }
1776 #endif
1777
1778 static void
1779 isp_cam_async(void *cbarg, u_int32_t code, struct cam_path *path, void *arg)
1780 {
1781         struct cam_sim *sim;
1782         struct ispsoftc *isp;
1783
1784         sim = (struct cam_sim *)cbarg;
1785         isp = (struct ispsoftc *) cam_sim_softc(sim);
1786         switch (code) {
1787         case AC_LOST_DEVICE:
1788                 if (IS_SCSI(isp)) {
1789                         u_int16_t oflags, nflags;
1790                         sdparam *sdp = isp->isp_param;
1791                         int tgt;
1792
1793                         tgt = xpt_path_target_id(path);
1794                         if (tgt >= 0) {
1795                                 sdp += cam_sim_bus(sim);
1796                                 ISP_LOCK(isp);
1797                                 nflags = sdp->isp_devparam[tgt].nvrm_flags;
1798 #ifndef ISP_TARGET_MODE
1799                                 nflags &= DPARM_SAFE_DFLT;
1800                                 if (isp->isp_loaded_fw) {
1801                                         nflags |= DPARM_NARROW | DPARM_ASYNC;
1802                                 }
1803 #else
1804                                 nflags = DPARM_DEFAULT;
1805 #endif
1806                                 oflags = sdp->isp_devparam[tgt].goal_flags;
1807                                 sdp->isp_devparam[tgt].goal_flags = nflags;
1808                                 sdp->isp_devparam[tgt].dev_update = 1;
1809                                 isp->isp_update |= (1 << cam_sim_bus(sim));
1810                                 (void) isp_control(isp,
1811                                     ISPCTL_UPDATE_PARAMS, NULL);
1812                                 sdp->isp_devparam[tgt].goal_flags = oflags;
1813                                 ISP_UNLOCK(isp);
1814                         }
1815                 }
1816                 break;
1817         default:
1818                 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
1819                 break;
1820         }
1821 }
1822
1823 static void
1824 isp_poll(struct cam_sim *sim)
1825 {
1826         struct ispsoftc *isp = cam_sim_softc(sim);
1827         u_int16_t isr, sema, mbox;
1828
1829         ISP_LOCK(isp);
1830         if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
1831                 isp_intr(isp, isr, sema, mbox);
1832         }
1833         ISP_UNLOCK(isp);
1834 }
1835
1836
1837 static void
1838 isp_watchdog(void *arg)
1839 {
1840         XS_T *xs = arg;
1841         struct ispsoftc *isp = XS_ISP(xs);
1842         u_int32_t handle;
1843         int iok;
1844
1845         /*
1846          * We've decided this command is dead. Make sure we're not trying
1847          * to kill a command that's already dead by getting it's handle and
1848          * and seeing whether it's still alive.
1849          */
1850         ISP_LOCK(isp);
1851         iok = isp->isp_osinfo.intsok;
1852         isp->isp_osinfo.intsok = 0;
1853         handle = isp_find_handle(isp, xs);
1854         if (handle) {
1855                 u_int16_t isr, sema, mbox;
1856
1857                 if (XS_CMD_DONE_P(xs)) {
1858                         isp_prt(isp, ISP_LOGDEBUG1,
1859                             "watchdog found done cmd (handle 0x%x)", handle);
1860                         ISP_UNLOCK(isp);
1861                         return;
1862                 }
1863
1864                 if (XS_CMD_WDOG_P(xs)) {
1865                         isp_prt(isp, ISP_LOGDEBUG2,
1866                             "recursive watchdog (handle 0x%x)", handle);
1867                         ISP_UNLOCK(isp);
1868                         return;
1869                 }
1870
1871                 XS_CMD_S_WDOG(xs);
1872                 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
1873                         isp_intr(isp, isr, sema, mbox);
1874                 }
1875                 if (XS_CMD_DONE_P(xs)) {
1876                         isp_prt(isp, ISP_LOGDEBUG2,
1877                             "watchdog cleanup for handle 0x%x", handle);
1878                         xpt_done((union ccb *) xs);
1879                 } else if (XS_CMD_GRACE_P(xs)) {
1880                         /*
1881                          * Make sure the command is *really* dead before we
1882                          * release the handle (and DMA resources) for reuse.
1883                          */
1884                         (void) isp_control(isp, ISPCTL_ABORT_CMD, arg);
1885
1886                         /*
1887                          * After this point, the comamnd is really dead.
1888                          */
1889                         if (XS_XFRLEN(xs)) {
1890                                 ISP_DMAFREE(isp, xs, handle);
1891                         }
1892                         isp_destroy_handle(isp, handle);
1893                         xpt_print_path(xs->ccb_h.path);
1894                         isp_prt(isp, ISP_LOGWARN,
1895                             "watchdog timeout for handle 0x%x", handle);
1896                         XS_SETERR(xs, CAM_CMD_TIMEOUT);
1897                         XS_CMD_C_WDOG(xs);
1898                         isp_done(xs);
1899                 } else {
1900                         u_int16_t nxti, optr;
1901                         ispreq_t local, *mp= &local, *qe;
1902
1903                         XS_CMD_C_WDOG(xs);
1904                         callout_reset(&xs->ccb_h.timeout_ch, hz,
1905                                       isp_watchdog, xs);
1906                         if (isp_getrqentry(isp, &nxti, &optr, (void **) &qe)) {
1907                                 ISP_UNLOCK(isp);
1908                                 return;
1909                         }
1910                         XS_CMD_S_GRACE(xs);
1911                         MEMZERO((void *) mp, sizeof (*mp));
1912                         mp->req_header.rqs_entry_count = 1;
1913                         mp->req_header.rqs_entry_type = RQSTYPE_MARKER;
1914                         mp->req_modifier = SYNC_ALL;
1915                         mp->req_target = XS_CHANNEL(xs) << 7;
1916                         isp_put_request(isp, mp, qe);
1917                         ISP_ADD_REQUEST(isp, nxti);
1918                 }
1919         } else {
1920                 isp_prt(isp, ISP_LOGDEBUG2, "watchdog with no command");
1921         }
1922         isp->isp_osinfo.intsok = iok;
1923         ISP_UNLOCK(isp);
1924 }
1925
1926 static void
1927 isp_kthread(void *arg)
1928 {
1929         struct ispsoftc *isp = arg;
1930         int s;
1931
1932         s = splcam();
1933         isp->isp_osinfo.intsok = 1;
1934
1935         /*
1936          * The first loop is for our usage where we have yet to have
1937          * gotten good fibre channel state.
1938          */
1939         for (;;) {
1940                 int wasfrozen;
1941
1942                 isp_prt(isp, ISP_LOGDEBUG0, "kthread: checking FC state");
1943                 while (isp_fc_runstate(isp, 2 * 1000000) != 0) {
1944                         isp_prt(isp, ISP_LOGDEBUG0, "kthread: FC state ungood");
1945                         if (FCPARAM(isp)->isp_fwstate != FW_READY ||
1946                             FCPARAM(isp)->isp_loopstate < LOOP_PDB_RCVD) {
1947                                 if (FCPARAM(isp)->loop_seen_once == 0 ||
1948                                     isp->isp_osinfo.ktmature == 0) {
1949                                         break;
1950                                 }
1951                         }
1952                         tsleep(isp_kthread, 0, "isp_fcthrd", hz);
1953
1954                 }
1955
1956                 /*
1957                  * Even if we didn't get good loop state we may be
1958                  * unfreezing the SIMQ so that we can kill off
1959                  * commands (if we've never seen loop before, for example).
1960                  */
1961                 isp->isp_osinfo.ktmature = 1;
1962                 wasfrozen = isp->isp_osinfo.simqfrozen & SIMQFRZ_LOOPDOWN;
1963                 isp->isp_osinfo.simqfrozen &= ~SIMQFRZ_LOOPDOWN;
1964                 if (wasfrozen && isp->isp_osinfo.simqfrozen == 0) {
1965                         isp_prt(isp, ISP_LOGDEBUG0, "kthread: releasing simq");
1966                         ISPLOCK_2_CAMLOCK(isp);
1967                         xpt_release_simq(isp->isp_sim, 1);
1968                         CAMLOCK_2_ISPLOCK(isp);
1969                 }
1970                 tsleep(&isp->isp_osinfo.kthread, 0, "isp_fc_worker", 0);
1971                 isp_prt(isp, ISP_LOGDEBUG0, "kthread: waiting until called");
1972         }
1973 }
1974
1975 static void
1976 isp_action(struct cam_sim *sim, union ccb *ccb)
1977 {
1978         int bus, tgt, error;
1979         struct ispsoftc *isp;
1980         struct ccb_trans_settings *cts;
1981
1982         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
1983
1984         isp = (struct ispsoftc *)cam_sim_softc(sim);
1985         ccb->ccb_h.sim_priv.entries[0].field = 0;
1986         ccb->ccb_h.sim_priv.entries[1].ptr = isp;
1987         if (isp->isp_state != ISP_RUNSTATE &&
1988             ccb->ccb_h.func_code == XPT_SCSI_IO) {
1989                 CAMLOCK_2_ISPLOCK(isp);
1990                 isp_init(isp);
1991                 if (isp->isp_state != ISP_INITSTATE) {
1992                         ISP_UNLOCK(isp);
1993                         /*
1994                          * Lie. Say it was a selection timeout.
1995                          */
1996                         ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN;
1997                         xpt_freeze_devq(ccb->ccb_h.path, 1);
1998                         xpt_done(ccb);
1999                         return;
2000                 }
2001                 isp->isp_state = ISP_RUNSTATE;
2002                 ISPLOCK_2_CAMLOCK(isp);
2003         }
2004         isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
2005
2006
2007         switch (ccb->ccb_h.func_code) {
2008         case XPT_SCSI_IO:       /* Execute the requested I/O operation */
2009                 /*
2010                  * Do a couple of preliminary checks...
2011                  */
2012                 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
2013                         if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
2014                                 ccb->ccb_h.status = CAM_REQ_INVALID;
2015                                 xpt_done(ccb);
2016                                 break;
2017                         }
2018                 }
2019 #ifdef  DIAGNOSTIC
2020                 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) {
2021                         ccb->ccb_h.status = CAM_PATH_INVALID;
2022                 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) {
2023                         ccb->ccb_h.status = CAM_PATH_INVALID;
2024                 }
2025                 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
2026                         isp_prt(isp, ISP_LOGERR,
2027                             "invalid tgt/lun (%d.%d) in XPT_SCSI_IO",
2028                             ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2029                         xpt_done(ccb);
2030                         break;
2031                 }
2032 #endif
2033                 ((struct ccb_scsiio *) ccb)->scsi_status = SCSI_STATUS_OK;
2034                 CAMLOCK_2_ISPLOCK(isp);
2035                 error = isp_start((XS_T *) ccb);
2036                 switch (error) {
2037                 case CMD_QUEUED:
2038                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
2039                         if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) {
2040                                 u_int64_t ticks = (u_int64_t) hz;
2041                                 if (ccb->ccb_h.timeout == CAM_TIME_DEFAULT)
2042                                         ticks = 60 * 1000 * ticks;
2043                                 else
2044                                         ticks = ccb->ccb_h.timeout * hz;
2045                                 ticks = ((ticks + 999) / 1000) + hz + hz;
2046                                 if (ticks >= 0x80000000) {
2047                                         isp_prt(isp, ISP_LOGERR,
2048                                             "timeout overflow");
2049                                         ticks = 0x7fffffff;
2050                                 }
2051                                 callout_reset(&ccb->ccb_h.timeout_ch, ticks,
2052                                     isp_watchdog, ccb);
2053                         }
2054                         ISPLOCK_2_CAMLOCK(isp);
2055                         break;
2056                 case CMD_RQLATER:
2057                         /*
2058                          * This can only happen for Fibre Channel
2059                          */
2060                         KASSERT((IS_FC(isp)), ("CMD_RQLATER for FC only"));
2061                         if (FCPARAM(isp)->loop_seen_once == 0 &&
2062                             isp->isp_osinfo.ktmature) {
2063                                 ISPLOCK_2_CAMLOCK(isp);
2064                                 XS_SETERR(ccb, CAM_SEL_TIMEOUT);
2065                                 xpt_done(ccb);
2066                                 break;
2067                         }
2068                         wakeup(&isp->isp_osinfo.kthread);
2069                         isp_freeze_loopdown(isp, "isp_action(RQLATER)");
2070                         isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
2071                         XS_SETERR(ccb, CAM_REQUEUE_REQ);
2072                         ISPLOCK_2_CAMLOCK(isp);
2073                         xpt_done(ccb);
2074                         break;
2075                 case CMD_EAGAIN:
2076                         XS_SETERR(ccb, CAM_REQUEUE_REQ);
2077                         ISPLOCK_2_CAMLOCK(isp);
2078                         xpt_done(ccb);
2079                         break;
2080                 case CMD_COMPLETE:
2081                         isp_done((struct ccb_scsiio *) ccb);
2082                         ISPLOCK_2_CAMLOCK(isp);
2083                         break;
2084                 default:
2085                         isp_prt(isp, ISP_LOGERR,
2086                             "What's this? 0x%x at %d in file %s",
2087                             error, __LINE__, __FILE__);
2088                         XS_SETERR(ccb, CAM_REQ_CMP_ERR);
2089                         xpt_done(ccb);
2090                         ISPLOCK_2_CAMLOCK(isp);
2091                 }
2092                 break;
2093
2094 #ifdef  ISP_TARGET_MODE
2095         case XPT_EN_LUN:                /* Enable LUN as a target */
2096         {
2097                 int iok;
2098                 CAMLOCK_2_ISPLOCK(isp);
2099                 iok = isp->isp_osinfo.intsok;
2100                 isp->isp_osinfo.intsok = 0;
2101                 isp_en_lun(isp, ccb);
2102                 isp->isp_osinfo.intsok = iok;
2103                 ISPLOCK_2_CAMLOCK(isp);
2104                 xpt_done(ccb);
2105                 break;
2106         }
2107         case XPT_NOTIFY_ACK:            /* recycle notify ack */
2108         case XPT_IMMED_NOTIFY:          /* Add Immediate Notify Resource */
2109         case XPT_ACCEPT_TARGET_IO:      /* Add Accept Target IO Resource */
2110         {
2111                 tstate_t *tptr =
2112                     get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
2113                 if (tptr == NULL) {
2114                         ccb->ccb_h.status = CAM_LUN_INVALID;
2115                         xpt_done(ccb);
2116                         break;
2117                 }
2118                 ccb->ccb_h.sim_priv.entries[0].field = 0;
2119                 ccb->ccb_h.sim_priv.entries[1].ptr = isp;
2120                 ccb->ccb_h.flags = 0;
2121
2122                 CAMLOCK_2_ISPLOCK(isp);
2123                 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
2124                         /*
2125                          * Note that the command itself may not be done-
2126                          * it may not even have had the first CTIO sent.
2127                          */
2128                         tptr->atio_count++;
2129                         isp_prt(isp, ISP_LOGTDEBUG0,
2130                             "Put FREE ATIO2, lun %d, count now %d",
2131                             ccb->ccb_h.target_lun, tptr->atio_count);
2132                         SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h,
2133                             sim_links.sle);
2134                 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
2135                         SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h,
2136                             sim_links.sle);
2137                 } else {
2138                         ;
2139                 }
2140                 rls_lun_statep(isp, tptr);
2141                 ccb->ccb_h.status = CAM_REQ_INPROG;
2142                 ISPLOCK_2_CAMLOCK(isp);
2143                 break;
2144         }
2145         case XPT_CONT_TARGET_IO:
2146         {
2147                 CAMLOCK_2_ISPLOCK(isp);
2148                 ccb->ccb_h.status = isp_target_start_ctio(isp, ccb);
2149                 if (ccb->ccb_h.status != CAM_REQ_INPROG) {
2150                         isp_prt(isp, ISP_LOGWARN,
2151                             "XPT_CONT_TARGET_IO: status 0x%x",
2152                             ccb->ccb_h.status);
2153                         XS_SETERR(ccb, CAM_REQUEUE_REQ);
2154                         ISPLOCK_2_CAMLOCK(isp);
2155                         xpt_done(ccb);
2156                 } else {
2157                         ISPLOCK_2_CAMLOCK(isp);
2158                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
2159                 }
2160                 break;
2161         }
2162 #endif
2163         case XPT_RESET_DEV:             /* BDR the specified SCSI device */
2164
2165                 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
2166                 tgt = ccb->ccb_h.target_id;
2167                 tgt |= (bus << 16);
2168
2169                 CAMLOCK_2_ISPLOCK(isp);
2170                 error = isp_control(isp, ISPCTL_RESET_DEV, &tgt);
2171                 ISPLOCK_2_CAMLOCK(isp);
2172                 if (error) {
2173                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2174                 } else {
2175                         ccb->ccb_h.status = CAM_REQ_CMP;
2176                 }
2177                 xpt_done(ccb);
2178                 break;
2179         case XPT_ABORT:                 /* Abort the specified CCB */
2180         {
2181                 union ccb *accb = ccb->cab.abort_ccb;
2182                 CAMLOCK_2_ISPLOCK(isp);
2183                 switch (accb->ccb_h.func_code) {
2184 #ifdef  ISP_TARGET_MODE
2185                 case XPT_ACCEPT_TARGET_IO:
2186                 case XPT_IMMED_NOTIFY:
2187                         ccb->ccb_h.status = isp_abort_tgt_ccb(isp, ccb);
2188                         break;
2189                 case XPT_CONT_TARGET_IO:
2190                         isp_prt(isp, ISP_LOGERR, "cannot abort CTIOs yet");
2191                         ccb->ccb_h.status = CAM_UA_ABORT;
2192                         break;
2193 #endif
2194                 case XPT_SCSI_IO:
2195                         error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
2196                         if (error) {
2197                                 ccb->ccb_h.status = CAM_UA_ABORT;
2198                         } else {
2199                                 ccb->ccb_h.status = CAM_REQ_CMP;
2200                         }
2201                         break;
2202                 default:
2203                         ccb->ccb_h.status = CAM_REQ_INVALID;
2204                         break;
2205                 }
2206                 ISPLOCK_2_CAMLOCK(isp);
2207                 xpt_done(ccb);
2208                 break;
2209         }
2210 #define IS_CURRENT_SETTINGS(c)  (c->flags & CCB_TRANS_CURRENT_SETTINGS)
2211         case XPT_SET_TRAN_SETTINGS:     /* Nexus Settings */
2212                 cts = &ccb->cts;
2213                 if (!IS_CURRENT_SETTINGS(cts)) {
2214                         ccb->ccb_h.status = CAM_REQ_INVALID;
2215                         xpt_done(ccb);
2216                         break;
2217                 }
2218                 tgt = cts->ccb_h.target_id;
2219                 CAMLOCK_2_ISPLOCK(isp);
2220                 if (IS_SCSI(isp)) {
2221                         sdparam *sdp = isp->isp_param;
2222                         u_int16_t *dptr;
2223
2224                         bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
2225
2226                         sdp += bus;
2227                         /*
2228                          * We always update (internally) from goal_flags
2229                          * so any request to change settings just gets
2230                          * vectored to that location.
2231                          */
2232                         dptr = &sdp->isp_devparam[tgt].goal_flags;
2233
2234                         /*
2235                          * Note that these operations affect the
2236                          * the goal flags (goal_flags)- not
2237                          * the current state flags. Then we mark
2238                          * things so that the next operation to
2239                          * this HBA will cause the update to occur.
2240                          */
2241                         if (cts->valid & CCB_TRANS_DISC_VALID) {
2242                                 if ((cts->flags & CCB_TRANS_DISC_ENB) != 0) {
2243                                         *dptr |= DPARM_DISC;
2244                                 } else {
2245                                         *dptr &= ~DPARM_DISC;
2246                                 }
2247                         }
2248                         if (cts->valid & CCB_TRANS_TQ_VALID) {
2249                                 if ((cts->flags & CCB_TRANS_TAG_ENB) != 0) {
2250                                         *dptr |= DPARM_TQING;
2251                                 } else {
2252                                         *dptr &= ~DPARM_TQING;
2253                                 }
2254                         }
2255                         if (cts->valid & CCB_TRANS_BUS_WIDTH_VALID) {
2256                                 switch (cts->bus_width) {
2257                                 case MSG_EXT_WDTR_BUS_16_BIT:
2258                                         *dptr |= DPARM_WIDE;
2259                                         break;
2260                                 default:
2261                                         *dptr &= ~DPARM_WIDE;
2262                                 }
2263                         }
2264                         /*
2265                          * Any SYNC RATE of nonzero and SYNC_OFFSET
2266                          * of nonzero will cause us to go to the
2267                          * selected (from NVRAM) maximum value for
2268                          * this device. At a later point, we'll
2269                          * allow finer control.
2270                          */
2271                         if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) &&
2272                             (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) &&
2273                             (cts->sync_offset > 0)) {
2274                                 *dptr |= DPARM_SYNC;
2275                         } else {
2276                                 *dptr &= ~DPARM_SYNC;
2277                         }
2278                         *dptr |= DPARM_SAFE_DFLT;
2279                         isp_prt(isp, ISP_LOGDEBUG0,
2280                             "SET bus %d targ %d to flags %x off %x per %x",
2281                             bus, tgt, sdp->isp_devparam[tgt].goal_flags,
2282                             sdp->isp_devparam[tgt].goal_offset,
2283                             sdp->isp_devparam[tgt].goal_period);
2284                         sdp->isp_devparam[tgt].dev_update = 1;
2285                         isp->isp_update |= (1 << bus);
2286                 }
2287                 ISPLOCK_2_CAMLOCK(isp);
2288                 ccb->ccb_h.status = CAM_REQ_CMP;
2289                 xpt_done(ccb);
2290                 break;
2291         case XPT_GET_TRAN_SETTINGS:
2292                 cts = &ccb->cts;
2293                 tgt = cts->ccb_h.target_id;
2294                 CAMLOCK_2_ISPLOCK(isp);
2295                 if (IS_FC(isp)) {
2296                         /*
2297                          * a lot of normal SCSI things don't make sense.
2298                          */
2299                         cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB;
2300                         cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2301                         /*
2302                          * How do you measure the width of a high
2303                          * speed serial bus? Well, in bytes.
2304                          *
2305                          * Offset and period make no sense, though, so we set
2306                          * (above) a 'base' transfer speed to be gigabit.
2307                          */
2308                         cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
2309                 } else {
2310                         sdparam *sdp = isp->isp_param;
2311                         int bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
2312                         u_int16_t dval, pval, oval;
2313
2314                         sdp += bus;
2315
2316                         if (IS_CURRENT_SETTINGS(cts)) {
2317                                 sdp->isp_devparam[tgt].dev_refresh = 1;
2318                                 isp->isp_update |= (1 << bus);
2319                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS,
2320                                     NULL);
2321                                 dval = sdp->isp_devparam[tgt].actv_flags;
2322                                 oval = sdp->isp_devparam[tgt].actv_offset;
2323                                 pval = sdp->isp_devparam[tgt].actv_period;
2324                         } else {
2325                                 dval = sdp->isp_devparam[tgt].nvrm_flags;
2326                                 oval = sdp->isp_devparam[tgt].nvrm_offset;
2327                                 pval = sdp->isp_devparam[tgt].nvrm_period;
2328                         }
2329
2330                         cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB);
2331
2332                         if (dval & DPARM_DISC) {
2333                                 cts->flags |= CCB_TRANS_DISC_ENB;
2334                         }
2335                         if (dval & DPARM_TQING) {
2336                                 cts->flags |= CCB_TRANS_TAG_ENB;
2337                         }
2338                         if (dval & DPARM_WIDE) {
2339                                 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
2340                         } else {
2341                                 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
2342                         }
2343                         cts->valid = CCB_TRANS_BUS_WIDTH_VALID |
2344                             CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2345
2346                         if ((dval & DPARM_SYNC) && oval != 0) {
2347                                 cts->sync_period = pval;
2348                                 cts->sync_offset = oval;
2349                                 cts->valid |=
2350                                     CCB_TRANS_SYNC_RATE_VALID |
2351                                     CCB_TRANS_SYNC_OFFSET_VALID;
2352                         }
2353                         isp_prt(isp, ISP_LOGDEBUG0,
2354                             "GET %s bus %d targ %d to flags %x off %x per %x",
2355                             IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
2356                             bus, tgt, dval, oval, pval);
2357                 }
2358                 ISPLOCK_2_CAMLOCK(isp);
2359                 ccb->ccb_h.status = CAM_REQ_CMP;
2360                 xpt_done(ccb);
2361                 break;
2362
2363         case XPT_CALC_GEOMETRY:
2364         {
2365                 struct ccb_calc_geometry *ccg;
2366                 u_int32_t secs_per_cylinder;
2367                 u_int32_t size_mb;
2368
2369                 ccg = &ccb->ccg;
2370                 if (ccg->block_size == 0) {
2371                         isp_prt(isp, ISP_LOGERR,
2372                             "%d.%d XPT_CALC_GEOMETRY block size 0?",
2373                             ccg->ccb_h.target_id, ccg->ccb_h.target_lun);
2374                         ccb->ccb_h.status = CAM_REQ_INVALID;
2375                         xpt_done(ccb);
2376                         break;
2377                 }
2378                 size_mb = ccg->volume_size /((1024L * 1024L) / ccg->block_size);
2379                 if (size_mb > 1024) {
2380                         ccg->heads = 255;
2381                         ccg->secs_per_track = 63;
2382                 } else {
2383                         ccg->heads = 64;
2384                         ccg->secs_per_track = 32;
2385                 }
2386                 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2387                 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2388                 ccb->ccb_h.status = CAM_REQ_CMP;
2389                 xpt_done(ccb);
2390                 break;
2391         }
2392         case XPT_RESET_BUS:             /* Reset the specified bus */
2393                 bus = cam_sim_bus(sim);
2394                 CAMLOCK_2_ISPLOCK(isp);
2395                 error = isp_control(isp, ISPCTL_RESET_BUS, &bus);
2396                 ISPLOCK_2_CAMLOCK(isp);
2397                 if (error)
2398                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2399                 else {
2400                         if (cam_sim_bus(sim) && isp->isp_path2 != NULL)
2401                                 xpt_async(AC_BUS_RESET, isp->isp_path2, NULL);
2402                         else if (isp->isp_path != NULL)
2403                                 xpt_async(AC_BUS_RESET, isp->isp_path, NULL);
2404                         ccb->ccb_h.status = CAM_REQ_CMP;
2405                 }
2406                 xpt_done(ccb);
2407                 break;
2408
2409         case XPT_TERM_IO:               /* Terminate the I/O process */
2410                 ccb->ccb_h.status = CAM_REQ_INVALID;
2411                 xpt_done(ccb);
2412                 break;
2413
2414         case XPT_PATH_INQ:              /* Path routing inquiry */
2415         {
2416                 struct ccb_pathinq *cpi = &ccb->cpi;
2417
2418                 cpi->version_num = 1;
2419 #ifdef  ISP_TARGET_MODE
2420                 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
2421 #else
2422                 cpi->target_sprt = 0;
2423 #endif
2424                 cpi->hba_eng_cnt = 0;
2425                 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
2426                 cpi->max_lun = ISP_MAX_LUNS(isp) - 1;
2427                 cpi->bus_id = cam_sim_bus(sim);
2428                 if (IS_FC(isp)) {
2429                         cpi->hba_misc = PIM_NOBUSRESET;
2430                         /*
2431                          * Because our loop ID can shift from time to time,
2432                          * make our initiator ID out of range of our bus.
2433                          */
2434                         cpi->initiator_id = cpi->max_target + 1;
2435
2436                         /*
2437                          * Set base transfer capabilities for Fibre Channel.
2438                          * Technically not correct because we don't know
2439                          * what media we're running on top of- but we'll
2440                          * look good if we always say 100MB/s.
2441                          */
2442                         if (FCPARAM(isp)->isp_gbspeed == 2)
2443                                 cpi->base_transfer_speed = 200000;
2444                         else
2445                                 cpi->base_transfer_speed = 100000;
2446                         cpi->hba_inquiry = PI_TAG_ABLE;
2447                 } else {
2448                         sdparam *sdp = isp->isp_param;
2449                         sdp += cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
2450                         cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
2451                         cpi->hba_misc = 0;
2452                         cpi->initiator_id = sdp->isp_initiator_id;
2453                         cpi->base_transfer_speed = 3300;
2454                 }
2455                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2456                 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
2457                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2458                 cpi->unit_number = cam_sim_unit(sim);
2459                 cpi->ccb_h.status = CAM_REQ_CMP;
2460                 xpt_done(ccb);
2461                 break;
2462         }
2463         default:
2464                 ccb->ccb_h.status = CAM_REQ_INVALID;
2465                 xpt_done(ccb);
2466                 break;
2467         }
2468 }
2469
2470 #define ISPDDB  (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
2471 void
2472 isp_done(struct ccb_scsiio *sccb)
2473 {
2474         struct ispsoftc *isp = XS_ISP(sccb);
2475
2476         if (XS_NOERR(sccb))
2477                 XS_SETERR(sccb, CAM_REQ_CMP);
2478
2479         if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP &&
2480             (sccb->scsi_status != SCSI_STATUS_OK)) {
2481                 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
2482                 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) &&
2483                     (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
2484                         sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
2485                 } else {
2486                         sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
2487                 }
2488         }
2489
2490         sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2491         if ((sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2492                 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
2493                         sccb->ccb_h.status |= CAM_DEV_QFRZN;
2494                         xpt_freeze_devq(sccb->ccb_h.path, 1);
2495                         isp_prt(isp, ISP_LOGDEBUG0,
2496                             "freeze devq %d.%d cam sts %x scsi sts %x",
2497                             sccb->ccb_h.target_id, sccb->ccb_h.target_lun,
2498                             sccb->ccb_h.status, sccb->scsi_status);
2499                 }
2500         }
2501
2502         if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) &&
2503             (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2504                 xpt_print_path(sccb->ccb_h.path);
2505                 isp_prt(isp, ISP_LOGINFO,
2506                     "cam completion status 0x%x", sccb->ccb_h.status);
2507         }
2508
2509         XS_CMD_S_DONE(sccb);
2510         if (XS_CMD_WDOG_P(sccb) == 0) {
2511                 callout_stop(&sccb->ccb_h.timeout_ch);
2512                 if (XS_CMD_GRACE_P(sccb)) {
2513                         isp_prt(isp, ISP_LOGDEBUG2,
2514                             "finished command on borrowed time");
2515                 }
2516                 XS_CMD_S_CLEAR(sccb);
2517                 ISPLOCK_2_CAMLOCK(isp);
2518                 xpt_done((union ccb *) sccb);
2519                 CAMLOCK_2_ISPLOCK(isp);
2520         }
2521 }
2522
2523 int
2524 isp_async(struct ispsoftc *isp, ispasync_t cmd, void *arg)
2525 {
2526         int bus, rv = 0;
2527         switch (cmd) {
2528         case ISPASYNC_NEW_TGT_PARAMS:
2529         {
2530                 int flags, tgt;
2531                 sdparam *sdp = isp->isp_param;
2532                 struct ccb_trans_settings cts;
2533                 struct cam_path *tmppath;
2534
2535                 bzero(&cts, sizeof (struct ccb_trans_settings));
2536
2537                 tgt = *((int *)arg);
2538                 bus = (tgt >> 16) & 0xffff;
2539                 tgt &= 0xffff;
2540                 sdp += bus;
2541                 ISPLOCK_2_CAMLOCK(isp);
2542                 if (xpt_create_path(&tmppath, NULL,
2543                     cam_sim_path(bus? isp->isp_sim2 : isp->isp_sim),
2544                     tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2545                         CAMLOCK_2_ISPLOCK(isp);
2546                         isp_prt(isp, ISP_LOGWARN,
2547                             "isp_async cannot make temp path for %d.%d",
2548                             tgt, bus);
2549                         rv = -1;
2550                         break;
2551                 }
2552                 CAMLOCK_2_ISPLOCK(isp);
2553                 flags = sdp->isp_devparam[tgt].actv_flags;
2554                 cts.flags = CCB_TRANS_CURRENT_SETTINGS;
2555                 cts.valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2556                 if (flags & DPARM_DISC) {
2557                         cts.flags |= CCB_TRANS_DISC_ENB;
2558                 }
2559                 if (flags & DPARM_TQING) {
2560                         cts.flags |= CCB_TRANS_TAG_ENB;
2561                 }
2562                 cts.valid |= CCB_TRANS_BUS_WIDTH_VALID;
2563                 cts.bus_width = (flags & DPARM_WIDE)?
2564                     MSG_EXT_WDTR_BUS_8_BIT : MSG_EXT_WDTR_BUS_16_BIT;
2565                 cts.sync_period = sdp->isp_devparam[tgt].actv_period;
2566                 cts.sync_offset = sdp->isp_devparam[tgt].actv_offset;
2567                 if (flags & DPARM_SYNC) {
2568                         cts.valid |=
2569                             CCB_TRANS_SYNC_RATE_VALID |
2570                             CCB_TRANS_SYNC_OFFSET_VALID;
2571                 }
2572                 isp_prt(isp, ISP_LOGDEBUG2,
2573                     "NEW_TGT_PARAMS bus %d tgt %d period %x offset %x flags %x",
2574                     bus, tgt, sdp->isp_devparam[tgt].actv_period,
2575                     sdp->isp_devparam[tgt].actv_offset, flags);
2576                 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
2577                 ISPLOCK_2_CAMLOCK(isp);
2578                 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
2579                 xpt_free_path(tmppath);
2580                 CAMLOCK_2_ISPLOCK(isp);
2581                 break;
2582         }
2583         case ISPASYNC_BUS_RESET:
2584                 bus = *((int *)arg);
2585                 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected",
2586                     bus);
2587                 if (bus > 0 && isp->isp_path2) {
2588                         ISPLOCK_2_CAMLOCK(isp);
2589                         xpt_async(AC_BUS_RESET, isp->isp_path2, NULL);
2590                         CAMLOCK_2_ISPLOCK(isp);
2591                 } else if (isp->isp_path) {
2592                         ISPLOCK_2_CAMLOCK(isp);
2593                         xpt_async(AC_BUS_RESET, isp->isp_path, NULL);
2594                         CAMLOCK_2_ISPLOCK(isp);
2595                 }
2596                 break;
2597         case ISPASYNC_LIP:
2598                 if (isp->isp_path) {
2599                         isp_freeze_loopdown(isp, "ISPASYNC_LIP");
2600                 }
2601                 isp_prt(isp, ISP_LOGINFO, "LIP Received");
2602                 break;
2603         case ISPASYNC_LOOP_RESET:
2604                 if (isp->isp_path) {
2605                         isp_freeze_loopdown(isp, "ISPASYNC_LOOP_RESET");
2606                 }
2607                 isp_prt(isp, ISP_LOGINFO, "Loop Reset Received");
2608                 break;
2609         case ISPASYNC_LOOP_DOWN:
2610                 if (isp->isp_path) {
2611                         isp_freeze_loopdown(isp, "ISPASYNC_LOOP_DOWN");
2612                 }
2613                 isp_prt(isp, ISP_LOGINFO, "Loop DOWN");
2614                 break;
2615         case ISPASYNC_LOOP_UP:
2616                 /*
2617                  * Now we just note that Loop has come up. We don't
2618                  * actually do anything because we're waiting for a
2619                  * Change Notify before activating the FC cleanup
2620                  * thread to look at the state of the loop again.
2621                  */
2622                 isp_prt(isp, ISP_LOGINFO, "Loop UP");
2623                 break;
2624         case ISPASYNC_PROMENADE:
2625         {
2626                 const char *fmt = "Target %d (Loop 0x%x) Port ID 0x%x "
2627                     "(role %s) %s\n Port WWN 0x%08x%08x\n Node WWN 0x%08x%08x";
2628                 static const char *roles[4] = {
2629                     "(none)", "Target", "Initiator", "Target/Initiator"
2630                 };
2631                 fcparam *fcp = isp->isp_param;
2632                 int tgt = *((int *) arg);
2633                 struct lportdb *lp = &fcp->portdb[tgt];
2634
2635                 isp_prt(isp, ISP_LOGINFO, fmt, tgt, lp->loopid, lp->portid,
2636                     roles[lp->roles & 0x3],
2637                     (lp->valid)? "Arrived" : "Departed",
2638                     (u_int32_t) (lp->port_wwn >> 32),
2639                     (u_int32_t) (lp->port_wwn & 0xffffffffLL),
2640                     (u_int32_t) (lp->node_wwn >> 32),
2641                     (u_int32_t) (lp->node_wwn & 0xffffffffLL));
2642
2643                 break;
2644         }
2645         case ISPASYNC_CHANGE_NOTIFY:
2646                 if (arg == ISPASYNC_CHANGE_PDB) {
2647                         isp_prt(isp, ISP_LOGINFO,
2648                             "Port Database Changed");
2649                 } else if (arg == ISPASYNC_CHANGE_SNS) {
2650                         isp_prt(isp, ISP_LOGINFO,
2651                             "Name Server Database Changed");
2652                 }
2653                 wakeup(&isp->isp_osinfo.kthread);
2654                 break;
2655         case ISPASYNC_FABRIC_DEV:
2656         {
2657                 int target, base, lim;
2658                 fcparam *fcp = isp->isp_param;
2659                 struct lportdb *lp = NULL;
2660                 struct lportdb *clp = (struct lportdb *) arg;
2661                 char *pt;
2662
2663                 switch (clp->port_type) {
2664                 case 1:
2665                         pt = "   N_Port";
2666                         break;
2667                 case 2:
2668                         pt = "  NL_Port";
2669                         break;
2670                 case 3:
2671                         pt = "F/NL_Port";
2672                         break;
2673                 case 0x7f:
2674                         pt = "  Nx_Port";
2675                         break;
2676                 case 0x81:
2677                         pt = "  F_port";
2678                         break;
2679                 case 0x82:
2680                         pt = "  FL_Port";
2681                         break;
2682                 case 0x84:
2683                         pt = "   E_port";
2684                         break;
2685                 default:
2686                         pt = " ";
2687                         break;
2688                 }
2689
2690                 isp_prt(isp, ISP_LOGINFO,
2691                     "%s Fabric Device @ PortID 0x%x", pt, clp->portid);
2692
2693                 /*
2694                  * If we don't have an initiator role we bail.
2695                  *
2696                  * We just use ISPASYNC_FABRIC_DEV for announcement purposes.
2697                  */
2698
2699                 if ((isp->isp_role & ISP_ROLE_INITIATOR) == 0) {
2700                         break;
2701                 }
2702
2703                 /*
2704                  * Is this entry for us? If so, we bail.
2705                  */
2706
2707                 if (fcp->isp_portid == clp->portid) {
2708                         break;
2709                 }
2710
2711                 /*
2712                  * Else, the default policy is to find room for it in
2713                  * our local port database. Later, when we execute
2714                  * the call to isp_pdb_sync either this newly arrived
2715                  * or already logged in device will be (re)announced.
2716                  */
2717
2718                 if (fcp->isp_topo == TOPO_FL_PORT)
2719                         base = FC_SNS_ID+1;
2720                 else
2721                         base = 0;
2722
2723                 if (fcp->isp_topo == TOPO_N_PORT)
2724                         lim = 1;
2725                 else
2726                         lim = MAX_FC_TARG;
2727
2728                 /*
2729                  * Is it already in our list?
2730                  */
2731                 for (target = base; target < lim; target++) {
2732                         if (target >= FL_PORT_ID && target <= FC_SNS_ID) {
2733                                 continue;
2734                         }
2735                         lp = &fcp->portdb[target];
2736                         if (lp->port_wwn == clp->port_wwn &&
2737                             lp->node_wwn == clp->node_wwn) {
2738                                 lp->fabric_dev = 1;
2739                                 break;
2740                         }
2741                 }
2742                 if (target < lim) {
2743                         break;
2744                 }
2745                 for (target = base; target < lim; target++) {
2746                         if (target >= FL_PORT_ID && target <= FC_SNS_ID) {
2747                                 continue;
2748                         }
2749                         lp = &fcp->portdb[target];
2750                         if (lp->port_wwn == 0) {
2751                                 break;
2752                         }
2753                 }
2754                 if (target == lim) {
2755                         isp_prt(isp, ISP_LOGWARN,
2756                             "out of space for fabric devices");
2757                         break;
2758                 }
2759                 lp->port_type = clp->port_type;
2760                 lp->fc4_type = clp->fc4_type;
2761                 lp->node_wwn = clp->node_wwn;
2762                 lp->port_wwn = clp->port_wwn;
2763                 lp->portid = clp->portid;
2764                 lp->fabric_dev = 1;
2765                 break;
2766         }
2767 #ifdef  ISP_TARGET_MODE
2768         case ISPASYNC_TARGET_MESSAGE:
2769         {
2770                 tmd_msg_t *mp = arg;
2771                 isp_prt(isp, ISP_LOGALL,
2772                     "bus %d iid %d tgt %d lun %d ttype %x tval %x msg[0]=%x",
2773                     mp->nt_bus, (int) mp->nt_iid, (int) mp->nt_tgt,
2774                     (int) mp->nt_lun, mp->nt_tagtype, mp->nt_tagval,
2775                     mp->nt_msg[0]);
2776                 break;
2777         }
2778         case ISPASYNC_TARGET_EVENT:
2779         {
2780                 tmd_event_t *ep = arg;
2781                 isp_prt(isp, ISP_LOGALL,
2782                     "bus %d event code 0x%x", ep->ev_bus, ep->ev_event);
2783                 break;
2784         }
2785         case ISPASYNC_TARGET_ACTION:
2786                 switch (((isphdr_t *)arg)->rqs_entry_type) {
2787                 default:
2788                         isp_prt(isp, ISP_LOGWARN,
2789                            "event 0x%x for unhandled target action",
2790                             ((isphdr_t *)arg)->rqs_entry_type);
2791                         break;
2792                 case RQSTYPE_NOTIFY:
2793                         if (IS_SCSI(isp)) {
2794                                 rv = isp_handle_platform_notify_scsi(isp,
2795                                     (in_entry_t *) arg);
2796                         } else {
2797                                 rv = isp_handle_platform_notify_fc(isp,
2798                                     (in_fcentry_t *) arg);
2799                         }
2800                         break;
2801                 case RQSTYPE_ATIO:
2802                         rv = isp_handle_platform_atio(isp, (at_entry_t *) arg);
2803                         break;
2804                 case RQSTYPE_ATIO2:
2805                         rv = isp_handle_platform_atio2(isp, (at2_entry_t *)arg);
2806                         break;
2807                 case RQSTYPE_CTIO2:
2808                 case RQSTYPE_CTIO:
2809                         rv = isp_handle_platform_ctio(isp, arg);
2810                         break;
2811                 case RQSTYPE_ENABLE_LUN:
2812                 case RQSTYPE_MODIFY_LUN:
2813                         if (IS_DUALBUS(isp)) {
2814                                 bus =
2815                                     GET_BUS_VAL(((lun_entry_t *)arg)->le_rsvd);
2816                         } else {
2817                                 bus = 0;
2818                         }
2819                         isp_cv_signal_rqe(isp, bus,
2820                             ((lun_entry_t *)arg)->le_status);
2821                         break;
2822                 }
2823                 break;
2824 #endif
2825         case ISPASYNC_FW_CRASH:
2826         {
2827                 u_int16_t mbox1, mbox6;
2828                 mbox1 = ISP_READ(isp, OUTMAILBOX1);
2829                 if (IS_DUALBUS(isp)) {
2830                         mbox6 = ISP_READ(isp, OUTMAILBOX6);
2831                 } else {
2832                         mbox6 = 0;
2833                 }
2834                 isp_prt(isp, ISP_LOGERR,
2835                     "Internal Firmware Error on bus %d @ RISC Address 0x%x",
2836                     mbox6, mbox1);
2837 #ifdef  ISP_FW_CRASH_DUMP
2838                 /*
2839                  * XXX: really need a thread to do this right.
2840                  */
2841                 if (IS_FC(isp)) {
2842                         FCPARAM(isp)->isp_fwstate = FW_CONFIG_WAIT;
2843                         FCPARAM(isp)->isp_loopstate = LOOP_NIL;
2844                         isp_freeze_loopdown(isp, "f/w crash");
2845                         isp_fw_dump(isp);
2846                 }
2847                 isp_reinit(isp);
2848                 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
2849 #endif
2850                 break;
2851         }
2852         case ISPASYNC_UNHANDLED_RESPONSE:
2853                 break;
2854         default:
2855                 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
2856                 break;
2857         }
2858         return (rv);
2859 }
2860
2861
2862 /*
2863  * Locks are held before coming here.
2864  */
2865 void
2866 isp_uninit(struct ispsoftc *isp)
2867 {
2868         ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
2869         DISABLE_INTS(isp);
2870 }
2871
2872 void
2873 isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...)
2874 {
2875         __va_list ap;
2876         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
2877                 return;
2878         }
2879         printf("%s: ", device_get_nameunit(isp->isp_dev));
2880         __va_start(ap, fmt);
2881         vprintf(fmt, ap);
2882         __va_end(ap);
2883         printf("\n");
2884 }