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 1.6 2003/08/07 21:16:52 dillon 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         /* autoq */     0,
  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         if (sim == NULL) {
 100                 cam_simq_free(devq);
 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, TRUE);
 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, TRUE);
 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, TRUE);
 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, TRUE);
 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                         cam_simq_free(devq);
 171                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 172                         return;
 173                 }
 174                 if (xpt_bus_register(sim, secondary) != CAM_SUCCESS) {
 175                         xpt_bus_deregister(cam_sim_path(isp->isp_sim));
 176                         xpt_free_path(isp->isp_path);
 177                         cam_sim_free(sim, TRUE);
 178                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 179                         CAMLOCK_2_ISPLOCK(isp);
 180                         return;
 181                 }
 182
 183                 if (xpt_create_path(&path, NULL, cam_sim_path(sim),
 184                     CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 185                         xpt_bus_deregister(cam_sim_path(isp->isp_sim));
 186                         xpt_free_path(isp->isp_path);
 187                         xpt_bus_deregister(cam_sim_path(sim));
 188                         cam_sim_free(sim, TRUE);
 189                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 190                         CAMLOCK_2_ISPLOCK(isp);
 191                         return;
 192                 }
 193
 194                 xpt_setup_ccb(&csa.ccb_h, path, 5);
 195                 csa.ccb_h.func_code = XPT_SASYNC_CB;
 196                 csa.event_enable = AC_LOST_DEVICE;
 197                 csa.callback = isp_cam_async;
 198                 csa.callback_arg = sim;
 199                 xpt_action((union ccb *)&csa);
 200                 CAMLOCK_2_ISPLOCK(isp);
 201                 isp->isp_sim2 = sim;
 202                 isp->isp_path2 = path;
 203         }
 204         /*
 205          * Create device nodes
 206          */
 207         (void) 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 = (tstate_t *) malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
 672         if (new == NULL) {
 673                 return (CAM_RESRC_UNAVAIL);
 674         }
 675
 676         status = xpt_create_path(&new->owner, NULL, xpt_path_path_id(path),
 677             xpt_path_target_id(path), xpt_path_lun_id(path));
 678         if (status != CAM_REQ_CMP) {
 679                 free(new, M_DEVBUF);
 680                 return (status);
 681         }
 682         new->bus = bus;
 683         new->lun = lun;
 684         SLIST_INIT(&new->atios);
 685         SLIST_INIT(&new->inots);
 686         new->hold = 1;
 687
 688         hfx = LUN_HASH_FUNC(isp, new->bus, new->lun);
 689         tptr = isp->isp_osinfo.lun_hash[hfx];
 690         if (tptr == NULL) {
 691                 isp->isp_osinfo.lun_hash[hfx] = new;
 692         } else {
 693                 while (tptr->next)
 694                         tptr = tptr->next;
 695                 tptr->next = new;
 696         }
 697         *rslt = new;
 698         return (CAM_REQ_CMP);
 699 }
 700
 701 static INLINE void
 702 destroy_lun_state(struct ispsoftc *isp, tstate_t *tptr)
 703 {
 704         int hfx;
 705         tstate_t *lw, *pw;
 706
 707         hfx = LUN_HASH_FUNC(isp, tptr->bus, tptr->lun);
 708         if (tptr->hold) {
 709                 return;
 710         }
 711         pw = isp->isp_osinfo.lun_hash[hfx];
 712         if (pw == NULL) {
 713                 return;
 714         } else if (pw->lun == tptr->lun && pw->bus == tptr->bus) {
 715                 isp->isp_osinfo.lun_hash[hfx] = pw->next;
 716         } else {
 717                 lw = pw;
 718                 pw = lw->next;
 719                 while (pw) {
 720                         if (pw->lun == tptr->lun && pw->bus == tptr->bus) {
 721                                 lw->next = pw->next;
 722                                 break;
 723                         }
 724                         lw = pw;
 725                         pw = pw->next;
 726                 }
 727                 if (pw == NULL) {
 728                         return;
 729                 }
 730         }
 731         free(tptr, M_DEVBUF);
 732 }
 733
 734 /*
 735  * we enter with our locks held.
 736  */
 737 static void
 738 isp_en_lun(struct ispsoftc *isp, union ccb *ccb)
 739 {
 740         const char lfmt[] = "Lun now %sabled for target mode on channel %d";
 741         struct ccb_en_lun *cel = &ccb->cel;
 742         tstate_t *tptr;
 743         u_int16_t rstat;
 744         int bus, cmd, av, wildcard;
 745         lun_id_t lun;
 746         target_id_t tgt;
 747
 748
 749         bus = XS_CHANNEL(ccb) & 0x1;
 750         tgt = ccb->ccb_h.target_id;
 751         lun = ccb->ccb_h.target_lun;
 752
 753         /*
 754          * Do some sanity checking first.
 755          */
 756
 757         if ((lun != CAM_LUN_WILDCARD) &&
 758             (lun < 0 || lun >= (lun_id_t) isp->isp_maxluns)) {
 759                 ccb->ccb_h.status = CAM_LUN_INVALID;
 760                 return;
 761         }
 762
 763         if (IS_SCSI(isp)) {
 764                 sdparam *sdp = isp->isp_param;
 765                 sdp += bus;
 766                 if (tgt != CAM_TARGET_WILDCARD &&
 767                     tgt != sdp->isp_initiator_id) {
 768                         ccb->ccb_h.status = CAM_TID_INVALID;
 769                         return;
 770                 }
 771         } else {
 772                 if (tgt != CAM_TARGET_WILDCARD &&
 773                     tgt != FCPARAM(isp)->isp_iid) {
 774                         ccb->ccb_h.status = CAM_TID_INVALID;
 775                         return;
 776                 }
 777                 /*
 778                  * This is as a good a place as any to check f/w capabilities.
 779                  */
 780                 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_TMODE) == 0) {
 781                         isp_prt(isp, ISP_LOGERR,
 782                             "firmware does not support target mode");
 783                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 784                         return;
 785                 }
 786                 /*
 787                  * XXX: We *could* handle non-SCCLUN f/w, but we'd have to
 788                  * XXX: dorks with our already fragile enable/disable code.
 789                  */
 790                 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) == 0) {
 791                         isp_prt(isp, ISP_LOGERR,
 792                             "firmware not SCCLUN capable");
 793                 }
 794         }
 795
 796         if (tgt == CAM_TARGET_WILDCARD) {
 797                 if (lun == CAM_LUN_WILDCARD) {
 798                         wildcard = 1;
 799                 } else {
 800                         ccb->ccb_h.status = CAM_LUN_INVALID;
 801                         return;
 802                 }
 803         } else {
 804                 wildcard = 0;
 805         }
 806
 807         /*
 808          * Next check to see whether this is a target/lun wildcard action.
 809          *
 810          * If so, we know that we can accept commands for luns that haven't
 811          * been enabled yet and send them upstream. Otherwise, we have to
 812          * handle them locally (if we see them at all).
 813          */
 814
 815         if (wildcard) {
 816                 tptr = &isp->isp_osinfo.tsdflt[bus];
 817                 if (cel->enable) {
 818                         if (isp->isp_osinfo.tmflags[bus] &
 819                             TM_WILDCARD_ENABLED) {
 820                                 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
 821                                 return;
 822                         }
 823                         ccb->ccb_h.status =
 824                             xpt_create_path(&tptr->owner, NULL,
 825                             xpt_path_path_id(ccb->ccb_h.path),
 826                             xpt_path_target_id(ccb->ccb_h.path),
 827                             xpt_path_lun_id(ccb->ccb_h.path));
 828                         if (ccb->ccb_h.status != CAM_REQ_CMP) {
 829                                 return;
 830                         }
 831                         SLIST_INIT(&tptr->atios);
 832                         SLIST_INIT(&tptr->inots);
 833                         isp->isp_osinfo.tmflags[bus] |= TM_WILDCARD_ENABLED;
 834                 } else {
 835                         if ((isp->isp_osinfo.tmflags[bus] &
 836                             TM_WILDCARD_ENABLED) == 0) {
 837                                 ccb->ccb_h.status = CAM_REQ_CMP;
 838                                 return;
 839                         }
 840                         if (tptr->hold) {
 841                                 ccb->ccb_h.status = CAM_SCSI_BUSY;
 842                                 return;
 843                         }
 844                         xpt_free_path(tptr->owner);
 845                         isp->isp_osinfo.tmflags[bus] &= ~TM_WILDCARD_ENABLED;
 846                 }
 847         }
 848
 849         /*
 850          * Now check to see whether this bus needs to be
 851          * enabled/disabled with respect to target mode.
 852          */
 853         av = bus << 31;
 854         if (cel->enable && !(isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED)) {
 855                 av |= ENABLE_TARGET_FLAG;
 856                 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
 857                 if (av) {
 858                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 859                         if (wildcard) {
 860                                 isp->isp_osinfo.tmflags[bus] &=
 861                                     ~TM_WILDCARD_ENABLED;
 862                                 xpt_free_path(tptr->owner);
 863                         }
 864                         return;
 865                 }
 866                 isp->isp_osinfo.tmflags[bus] |= TM_TMODE_ENABLED;
 867                 isp_prt(isp, ISP_LOGINFO,
 868                     "Target Mode enabled on channel %d", bus);
 869         } else if (cel->enable == 0 &&
 870             (isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED) && wildcard) {
 871                 if (are_any_luns_enabled(isp, bus)) {
 872                         ccb->ccb_h.status = CAM_SCSI_BUSY;
 873                         return;
 874                 }
 875                 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
 876                 if (av) {
 877                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 878                         return;
 879                 }
 880                 isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED;
 881                 isp_prt(isp, ISP_LOGINFO,
 882                     "Target Mode disabled on channel %d", bus);
 883         }
 884
 885         if (wildcard) {
 886                 ccb->ccb_h.status = CAM_REQ_CMP;
 887                 return;
 888         }
 889
 890         if (cel->enable) {
 891                 ccb->ccb_h.status =
 892                     create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
 893                 if (ccb->ccb_h.status != CAM_REQ_CMP) {
 894                         return;
 895                 }
 896         } else {
 897                 tptr = get_lun_statep(isp, bus, lun);
 898                 if (tptr == NULL) {
 899                         ccb->ccb_h.status = CAM_LUN_INVALID;
 900                         return;
 901                 }
 902         }
 903
 904         if (isp_psema_sig_rqe(isp, bus)) {
 905                 rls_lun_statep(isp, tptr);
 906                 if (cel->enable)
 907                         destroy_lun_state(isp, tptr);
 908                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 909                 return;
 910         }
 911
 912         if (cel->enable) {
 913                 u_int32_t seq = isp->isp_osinfo.rollinfo++;
 914                 int c, n, ulun = lun;
 915
 916                 cmd = RQSTYPE_ENABLE_LUN;
 917                 c = DFLT_CMND_CNT;
 918                 n = DFLT_INOT_CNT;
 919                 if (IS_FC(isp) && lun != 0) {
 920                         cmd = RQSTYPE_MODIFY_LUN;
 921                         n = 0;
 922                         /*
 923                          * For SCC firmware, we only deal with setting
 924                          * (enabling or modifying) lun 0.
 925                          */
 926                         ulun = 0;
 927                 }
 928                 rstat = LUN_ERR;
 929                 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq)) {
 930                         xpt_print_path(ccb->ccb_h.path);
 931                         isp_prt(isp, ISP_LOGWARN, "isp_lun_cmd failed");
 932                         goto out;
 933                 }
 934                 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) {
 935                         xpt_print_path(ccb->ccb_h.path);
 936                         isp_prt(isp, ISP_LOGERR,
 937                             "wait for ENABLE/MODIFY LUN timed out");
 938                         goto out;
 939                 }
 940                 rstat = isp->isp_osinfo.rstatus[bus];
 941                 if (rstat != LUN_OK) {
 942                         xpt_print_path(ccb->ccb_h.path);
 943                         isp_prt(isp, ISP_LOGERR,
 944                             "ENABLE/MODIFY LUN returned 0x%x", rstat);
 945                         goto out;
 946                 }
 947         } else {
 948                 int c, n, ulun = lun;
 949                 u_int32_t seq;
 950
 951                 rstat = LUN_ERR;
 952                 seq = isp->isp_osinfo.rollinfo++;
 953                 cmd = -RQSTYPE_MODIFY_LUN;
 954
 955                 c = DFLT_CMND_CNT;
 956                 n = DFLT_INOT_CNT;
 957                 if (IS_FC(isp) && lun != 0) {
 958                         n = 0;
 959                         /*
 960                          * For SCC firmware, we only deal with setting
 961                          * (enabling or modifying) lun 0.
 962                          */
 963                         ulun = 0;
 964                 }
 965                 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq)) {
 966                         xpt_print_path(ccb->ccb_h.path);
 967                         isp_prt(isp, ISP_LOGERR, "isp_lun_cmd failed");
 968                         goto out;
 969                 }
 970                 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) {
 971                         xpt_print_path(ccb->ccb_h.path);
 972                         isp_prt(isp, ISP_LOGERR,
 973                             "wait for MODIFY LUN timed out");
 974                         goto out;
 975                 }
 976                 rstat = isp->isp_osinfo.rstatus[bus];
 977                 if (rstat != LUN_OK) {
 978                         xpt_print_path(ccb->ccb_h.path);
 979                         isp_prt(isp, ISP_LOGERR,
 980                             "MODIFY LUN returned 0x%x", rstat);
 981                         goto out;
 982                 }
 983                 if (IS_FC(isp) && lun) {
 984                         goto out;
 985                 }
 986
 987                 seq = isp->isp_osinfo.rollinfo++;
 988
 989                 rstat = LUN_ERR;
 990                 cmd = -RQSTYPE_ENABLE_LUN;
 991                 if (isp_lun_cmd(isp, cmd, bus, tgt, lun, 0, 0, seq)) {
 992                         xpt_print_path(ccb->ccb_h.path);
 993                         isp_prt(isp, ISP_LOGERR, "isp_lun_cmd failed");
 994                         goto out;
 995                 }
 996                 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) {
 997                         xpt_print_path(ccb->ccb_h.path);
 998                         isp_prt(isp, ISP_LOGERR,
 999                              "wait for DISABLE LUN timed out");
1000                         goto out;
1001                 }
1002                 rstat = isp->isp_osinfo.rstatus[bus];
1003                 if (rstat != LUN_OK) {
1004                         xpt_print_path(ccb->ccb_h.path);
1005                         isp_prt(isp, ISP_LOGWARN,
1006                             "DISABLE LUN returned 0x%x", rstat);
1007                         goto out;
1008                 }
1009                 if (are_any_luns_enabled(isp, bus) == 0) {
1010                         av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
1011                         if (av) {
1012                                 isp_prt(isp, ISP_LOGWARN,
1013                                     "disable target mode on channel %d failed",
1014                                     bus);
1015                                 goto out;
1016                         }
1017                         isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED;
1018                         xpt_print_path(ccb->ccb_h.path);
1019                         isp_prt(isp, ISP_LOGINFO,
1020                             "Target Mode disabled on channel %d", bus);
1021                 }
1022         }
1023
1024 out:
1025         isp_vsema_rqe(isp, bus);
1026
1027         if (rstat != LUN_OK) {
1028                 xpt_print_path(ccb->ccb_h.path);
1029                 isp_prt(isp, ISP_LOGWARN,
1030                     "lun %sable failed", (cel->enable) ? "en" : "dis");
1031                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1032                 rls_lun_statep(isp, tptr);
1033                 if (cel->enable)
1034                         destroy_lun_state(isp, tptr);
1035         } else {
1036                 xpt_print_path(ccb->ccb_h.path);
1037                 isp_prt(isp, ISP_LOGINFO, lfmt,
1038                     (cel->enable) ? "en" : "dis", bus);
1039                 rls_lun_statep(isp, tptr);
1040                 if (cel->enable == 0) {
1041                         destroy_lun_state(isp, tptr);
1042                 }
1043                 ccb->ccb_h.status = CAM_REQ_CMP;
1044         }
1045 }
1046
1047 static cam_status
1048 isp_abort_tgt_ccb(struct ispsoftc *isp, union ccb *ccb)
1049 {
1050         tstate_t *tptr;
1051         struct ccb_hdr_slist *lp;
1052         struct ccb_hdr *curelm;
1053         int found;
1054         union ccb *accb = ccb->cab.abort_ccb;
1055
1056         if (accb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
1057                 if (IS_FC(isp) && (accb->ccb_h.target_id !=
1058                     ((fcparam *) isp->isp_param)->isp_loopid)) {
1059                         return (CAM_PATH_INVALID);
1060                 } else if (IS_SCSI(isp) && (accb->ccb_h.target_id !=
1061                     ((sdparam *) isp->isp_param)->isp_initiator_id)) {
1062                         return (CAM_PATH_INVALID);
1063                 }
1064         }
1065         tptr = get_lun_statep(isp, XS_CHANNEL(ccb), accb->ccb_h.target_lun);
1066         if (tptr == NULL) {
1067                 return (CAM_PATH_INVALID);
1068         }
1069         if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
1070                 lp = &tptr->atios;
1071         } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
1072                 lp = &tptr->inots;
1073         } else {
1074                 rls_lun_statep(isp, tptr);
1075                 return (CAM_UA_ABORT);
1076         }
1077         curelm = SLIST_FIRST(lp);
1078         found = 0;
1079         if (curelm == &accb->ccb_h) {
1080                 found = 1;
1081                 SLIST_REMOVE_HEAD(lp, sim_links.sle);
1082         } else {
1083                 while(curelm != NULL) {
1084                         struct ccb_hdr *nextelm;
1085
1086                         nextelm = SLIST_NEXT(curelm, sim_links.sle);
1087                         if (nextelm == &accb->ccb_h) {
1088                                 found = 1;
1089                                 SLIST_NEXT(curelm, sim_links.sle) =
1090                                     SLIST_NEXT(nextelm, sim_links.sle);
1091                                 break;
1092                         }
1093                         curelm = nextelm;
1094                 }
1095         }
1096         rls_lun_statep(isp, tptr);
1097         if (found) {
1098                 accb->ccb_h.status = CAM_REQ_ABORTED;
1099                 return (CAM_REQ_CMP);
1100         }
1101         return(CAM_PATH_INVALID);
1102 }
1103
1104 static cam_status
1105 isp_target_start_ctio(struct ispsoftc *isp, union ccb *ccb)
1106 {
1107         void *qe;
1108         struct ccb_scsiio *cso = &ccb->csio;
1109         u_int16_t *hp, save_handle;
1110         u_int16_t nxti, optr;
1111         u_int8_t local[QENTRY_LEN];
1112
1113
1114         if (isp_getrqentry(isp, &nxti, &optr, &qe)) {
1115                 xpt_print_path(ccb->ccb_h.path);
1116                 printf("Request Queue Overflow in isp_target_start_ctio\n");
1117                 return (CAM_RESRC_UNAVAIL);
1118         }
1119         bzero(local, QENTRY_LEN);
1120
1121         /*
1122          * We're either moving data or completing a command here.
1123          */
1124
1125         if (IS_FC(isp)) {
1126                 atio_private_data_t *atp;
1127                 ct2_entry_t *cto = (ct2_entry_t *) local;
1128
1129                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1130                 cto->ct_header.rqs_entry_count = 1;
1131                 cto->ct_iid = cso->init_id;
1132                 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) == 0) {
1133                         cto->ct_lun = ccb->ccb_h.target_lun;
1134                 }
1135
1136                 atp = isp_get_atpd(isp, cso->tag_id);
1137                 if (atp == NULL) {
1138                         isp_prt(isp, ISP_LOGERR,
1139                             "cannot find private data adjunct for tag %x",
1140                             cso->tag_id);
1141                         return (-1);
1142                 }
1143
1144                 cto->ct_rxid = cso->tag_id;
1145                 if (cso->dxfer_len == 0) {
1146                         cto->ct_flags |= CT2_FLAG_MODE1 | CT2_NO_DATA;
1147                         if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1148                                 cto->ct_flags |= CT2_SENDSTATUS;
1149                                 cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1150                                 cto->ct_resid =
1151                                     atp->orig_datalen - atp->bytes_xfered;
1152                                 if (cto->ct_resid < 0) {
1153                                         cto->rsp.m1.ct_scsi_status |=
1154                                             CT2_DATA_OVER;
1155                                 } else if (cto->ct_resid > 0) {
1156                                         cto->rsp.m1.ct_scsi_status |=
1157                                             CT2_DATA_UNDER;
1158                                 }
1159                         }
1160                         if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) {
1161                                 int m = min(cso->sense_len, MAXRESPLEN);
1162                                 bcopy(&cso->sense_data, cto->rsp.m1.ct_resp, m);
1163                                 cto->rsp.m1.ct_senselen = m;
1164                                 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1165                         }
1166                 } else {
1167                         cto->ct_flags |= CT2_FLAG_MODE0;
1168                         if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1169                                 cto->ct_flags |= CT2_DATA_IN;
1170                         } else {
1171                                 cto->ct_flags |= CT2_DATA_OUT;
1172                         }
1173                         cto->ct_reloff = atp->bytes_xfered;
1174                         if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
1175                                 cto->ct_flags |= CT2_SENDSTATUS;
1176                                 cto->rsp.m0.ct_scsi_status = cso->scsi_status;
1177                                 cto->ct_resid =
1178                                     atp->orig_datalen -
1179                                     (atp->bytes_xfered + cso->dxfer_len);
1180                                 if (cto->ct_resid < 0) {
1181                                         cto->rsp.m0.ct_scsi_status |=
1182                                             CT2_DATA_OVER;
1183                                 } else if (cto->ct_resid > 0) {
1184                                         cto->rsp.m0.ct_scsi_status |=
1185                                             CT2_DATA_UNDER;
1186                                 }
1187                         } else {
1188                                 atp->last_xframt = cso->dxfer_len;
1189                         }
1190                         /*
1191                          * If we're sending data and status back together,
1192                          * we can't also send back sense data as well.
1193                          */
1194                         ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1195                 }
1196
1197                 if (cto->ct_flags & CT2_SENDSTATUS) {
1198                         isp_prt(isp, ISP_LOGTDEBUG0,
1199                             "CTIO2[%x] STATUS %x origd %u curd %u resid %u",
1200                             cto->ct_rxid, cso->scsi_status, atp->orig_datalen,
1201                             cso->dxfer_len, cto->ct_resid);
1202                         cto->ct_flags |= CT2_CCINCR;
1203                         atp->state = ATPD_STATE_LAST_CTIO;
1204                 } else
1205                         atp->state = ATPD_STATE_CTIO;
1206                 cto->ct_timeout = 10;
1207                 hp = &cto->ct_syshandle;
1208         } else {
1209                 ct_entry_t *cto = (ct_entry_t *) local;
1210
1211                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO;
1212                 cto->ct_header.rqs_entry_count = 1;
1213                 cto->ct_iid = cso->init_id;
1214                 cto->ct_iid |= XS_CHANNEL(ccb) << 7;
1215                 cto->ct_tgt = ccb->ccb_h.target_id;
1216                 cto->ct_lun = ccb->ccb_h.target_lun;
1217                 cto->ct_fwhandle = AT_GET_HANDLE(cso->tag_id);
1218                 if (AT_HAS_TAG(cso->tag_id)) {
1219                         cto->ct_tag_val = (u_int8_t) AT_GET_TAG(cso->tag_id);
1220                         cto->ct_flags |= CT_TQAE;
1221                 }
1222                 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
1223                         cto->ct_flags |= CT_NODISC;
1224                 }
1225                 if (cso->dxfer_len == 0) {
1226                         cto->ct_flags |= CT_NO_DATA;
1227                 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1228                         cto->ct_flags |= CT_DATA_IN;
1229                 } else {
1230                         cto->ct_flags |= CT_DATA_OUT;
1231                 }
1232                 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1233                         cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR;
1234                         cto->ct_scsi_status = cso->scsi_status;
1235                         cto->ct_resid = cso->resid;
1236                         isp_prt(isp, ISP_LOGTDEBUG0,
1237                             "CTIO[%x] SCSI STATUS 0x%x resid %d tag_id %x",
1238                             cto->ct_fwhandle, cso->scsi_status, cso->resid,
1239                             cso->tag_id);
1240                 }
1241                 ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1242                 cto->ct_timeout = 10;
1243                 hp = &cto->ct_syshandle;
1244         }
1245
1246         if (isp_save_xs(isp, (XS_T *)ccb, hp)) {
1247                 xpt_print_path(ccb->ccb_h.path);
1248                 printf("No XFLIST pointers for isp_target_start_ctio\n");
1249                 return (CAM_RESRC_UNAVAIL);
1250         }
1251
1252
1253         /*
1254          * Call the dma setup routines for this entry (and any subsequent
1255          * CTIOs) if there's data to move, and then tell the f/w it's got
1256          * new things to play with. As with isp_start's usage of DMA setup,
1257          * any swizzling is done in the machine dependent layer. Because
1258          * of this, we put the request onto the queue area first in native
1259          * format.
1260          */
1261
1262         save_handle = *hp;
1263
1264         switch (ISP_DMASETUP(isp, cso, (ispreq_t *) local, &nxti, optr)) {
1265         case CMD_QUEUED:
1266                 ISP_ADD_REQUEST(isp, nxti);
1267                 return (CAM_REQ_INPROG);
1268
1269         case CMD_EAGAIN:
1270                 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
1271                 isp_destroy_handle(isp, save_handle);
1272                 return (CAM_RESRC_UNAVAIL);
1273
1274         default:
1275                 isp_destroy_handle(isp, save_handle);
1276                 return (XS_ERR(ccb));
1277         }
1278 }
1279
1280 static void
1281 isp_refire_putback_atio(void *arg)
1282 {
1283         int s = splcam();
1284         isp_target_putback_atio(arg);
1285         splx(s);
1286 }
1287
1288 static void
1289 isp_target_putback_atio(union ccb *ccb)
1290 {
1291         struct ispsoftc *isp;
1292         struct ccb_scsiio *cso;
1293         u_int16_t nxti, optr;
1294         void *qe;
1295
1296         isp = XS_ISP(ccb);
1297
1298         if (isp_getrqentry(isp, &nxti, &optr, &qe)) {
1299                 (void) timeout(isp_refire_putback_atio, ccb, 10);
1300                 isp_prt(isp, ISP_LOGWARN,
1301                     "isp_target_putback_atio: Request Queue Overflow");
1302                 return;
1303         }
1304         bzero(qe, QENTRY_LEN);
1305         cso = &ccb->csio;
1306         if (IS_FC(isp)) {
1307                 at2_entry_t local, *at = &local;
1308                 MEMZERO(at, sizeof (at2_entry_t));
1309                 at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1310                 at->at_header.rqs_entry_count = 1;
1311                 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) != 0) {
1312                         at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1313                 } else {
1314                         at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1315                 }
1316                 at->at_status = CT_OK;
1317                 at->at_rxid = cso->tag_id;
1318                 at->at_iid = cso->ccb_h.target_id;
1319                 isp_put_atio2(isp, at, qe);
1320         } else {
1321                 at_entry_t local, *at = &local;
1322                 MEMZERO(at, sizeof (at_entry_t));
1323                 at->at_header.rqs_entry_type = RQSTYPE_ATIO;
1324                 at->at_header.rqs_entry_count = 1;
1325                 at->at_iid = cso->init_id;
1326                 at->at_iid |= XS_CHANNEL(ccb) << 7;
1327                 at->at_tgt = cso->ccb_h.target_id;
1328                 at->at_lun = cso->ccb_h.target_lun;
1329                 at->at_status = CT_OK;
1330                 at->at_tag_val = AT_GET_TAG(cso->tag_id);
1331                 at->at_handle = AT_GET_HANDLE(cso->tag_id);
1332                 isp_put_atio(isp, at, qe);
1333         }
1334         ISP_TDQE(isp, "isp_target_putback_atio", (int) optr, qe);
1335         ISP_ADD_REQUEST(isp, nxti);
1336         isp_complete_ctio(ccb);
1337 }
1338
1339 static void
1340 isp_complete_ctio(union ccb *ccb)
1341 {
1342         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1343                 ccb->ccb_h.status |= CAM_REQ_CMP;
1344         }
1345         ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1346         xpt_done(ccb);
1347 }
1348
1349 /*
1350  * Handle ATIO stuff that the generic code can't.
1351  * This means handling CDBs.
1352  */
1353
1354 static int
1355 isp_handle_platform_atio(struct ispsoftc *isp, at_entry_t *aep)
1356 {
1357         tstate_t *tptr;
1358         int status, bus, iswildcard;
1359         struct ccb_accept_tio *atiop;
1360
1361         /*
1362          * The firmware status (except for the QLTM_SVALID bit)
1363          * indicates why this ATIO was sent to us.
1364          *
1365          * If QLTM_SVALID is set, the firware has recommended Sense Data.
1366          *
1367          * If the DISCONNECTS DISABLED bit is set in the flags field,
1368          * we're still connected on the SCSI bus.
1369          */
1370         status = aep->at_status;
1371         if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) {
1372                 /*
1373                  * Bus Phase Sequence error. We should have sense data
1374                  * suggested by the f/w. I'm not sure quite yet what
1375                  * to do about this for CAM.
1376                  */
1377                 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR");
1378                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1379                 return (0);
1380         }
1381         if ((status & ~QLTM_SVALID) != AT_CDB) {
1382                 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform",
1383                     status);
1384                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1385                 return (0);
1386         }
1387
1388         bus = GET_BUS_VAL(aep->at_iid);
1389         tptr = get_lun_statep(isp, bus, aep->at_lun);
1390         if (tptr == NULL) {
1391                 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
1392                 iswildcard = 1;
1393         } else {
1394                 iswildcard = 0;
1395         }
1396
1397         if (tptr == NULL) {
1398                 /*
1399                  * Because we can't autofeed sense data back with
1400                  * a command for parallel SCSI, we can't give back
1401                  * a CHECK CONDITION. We'll give back a BUSY status
1402                  * instead. This works out okay because the only
1403                  * time we should, in fact, get this, is in the
1404                  * case that somebody configured us without the
1405                  * blackhole driver, so they get what they deserve.
1406                  */
1407                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1408                 return (0);
1409         }
1410
1411         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1412         if (atiop == NULL) {
1413                 /*
1414                  * Because we can't autofeed sense data back with
1415                  * a command for parallel SCSI, we can't give back
1416                  * a CHECK CONDITION. We'll give back a QUEUE FULL status
1417                  * instead. This works out okay because the only time we
1418                  * should, in fact, get this, is in the case that we've
1419                  * run out of ATIOS.
1420                  */
1421                 xpt_print_path(tptr->owner);
1422                 isp_prt(isp, ISP_LOGWARN,
1423                     "no ATIOS for lun %d from initiator %d on channel %d",
1424                     aep->at_lun, GET_IID_VAL(aep->at_iid), bus);
1425                 if (aep->at_flags & AT_TQAE)
1426                         isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0);
1427                 else
1428                         isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1429                 rls_lun_statep(isp, tptr);
1430                 return (0);
1431         }
1432         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1433         if (iswildcard) {
1434                 atiop->ccb_h.target_id = aep->at_tgt;
1435                 atiop->ccb_h.target_lun = aep->at_lun;
1436         }
1437         if (aep->at_flags & AT_NODISC) {
1438                 atiop->ccb_h.flags = CAM_DIS_DISCONNECT;
1439         } else {
1440                 atiop->ccb_h.flags = 0;
1441         }
1442
1443         if (status & QLTM_SVALID) {
1444                 size_t amt = imin(QLTM_SENSELEN, sizeof (atiop->sense_data));
1445                 atiop->sense_len = amt;
1446                 MEMCPY(&atiop->sense_data, aep->at_sense, amt);
1447         } else {
1448                 atiop->sense_len = 0;
1449         }
1450
1451         atiop->init_id = GET_IID_VAL(aep->at_iid);
1452         atiop->cdb_len = aep->at_cdblen;
1453         MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen);
1454         atiop->ccb_h.status = CAM_CDB_RECVD;
1455         /*
1456          * Construct a tag 'id' based upon tag value (which may be 0..255)
1457          * and the handle (which we have to preserve).
1458          */
1459         AT_MAKE_TAGID(atiop->tag_id, aep);
1460         if (aep->at_flags & AT_TQAE) {
1461                 atiop->tag_action = aep->at_tag_type;
1462                 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID;
1463         }
1464         xpt_done((union ccb*)atiop);
1465         isp_prt(isp, ISP_LOGTDEBUG0,
1466             "ATIO[%x] CDB=0x%x bus %d iid%d->lun%d tag 0x%x ttype 0x%x %s",
1467             aep->at_handle, aep->at_cdb[0] & 0xff, GET_BUS_VAL(aep->at_iid),
1468             GET_IID_VAL(aep->at_iid), aep->at_lun, aep->at_tag_val & 0xff,
1469             aep->at_tag_type, (aep->at_flags & AT_NODISC)?
1470             "nondisc" : "disconnecting");
1471         rls_lun_statep(isp, tptr);
1472         return (0);
1473 }
1474
1475 static int
1476 isp_handle_platform_atio2(struct ispsoftc *isp, at2_entry_t *aep)
1477 {
1478         lun_id_t lun;
1479         tstate_t *tptr;
1480         struct ccb_accept_tio *atiop;
1481         atio_private_data_t *atp;
1482
1483         /*
1484          * The firmware status (except for the QLTM_SVALID bit)
1485          * indicates why this ATIO was sent to us.
1486          *
1487          * If QLTM_SVALID is set, the firware has recommended Sense Data.
1488          */
1489         if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1490                 isp_prt(isp, ISP_LOGWARN,
1491                     "bogus atio (0x%x) leaked to platform", aep->at_status);
1492                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1493                 return (0);
1494         }
1495
1496         if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) != 0) {
1497                 lun = aep->at_scclun;
1498         } else {
1499                 lun = aep->at_lun;
1500         }
1501         tptr = get_lun_statep(isp, 0, lun);
1502         if (tptr == NULL) {
1503                 isp_prt(isp, ISP_LOGWARN, "no state pointer for lun %d", lun);
1504                 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1505         }
1506
1507         if (tptr == NULL) {
1508                 /*
1509                  * What we'd like to know is whether or not we have a listener
1510                  * upstream that really hasn't configured yet. If we do, then
1511                  * we can give a more sensible reply here. If not, then we can
1512                  * reject this out of hand.
1513                  *
1514                  * Choices for what to send were
1515                  *
1516                  *      Not Ready, Unit Not Self-Configured Yet
1517                  *      (0x2,0x3e,0x00)
1518                  *
1519                  * for the former and
1520                  *
1521                  *      Illegal Request, Logical Unit Not Supported
1522                  *      (0x5,0x25,0x00)
1523                  *
1524                  * for the latter.
1525                  *
1526                  * We used to decide whether there was at least one listener
1527                  * based upon whether the black hole driver was configured.
1528                  * However, recent config(8) changes have made this hard to do
1529                  * at this time.
1530                  *
1531                  */
1532                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1533                 return (0);
1534         }
1535
1536         atp = isp_get_atpd(isp, 0);
1537         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1538         if (atiop == NULL || atp == NULL) {
1539                 /*
1540                  * Because we can't autofeed sense data back with
1541                  * a command for parallel SCSI, we can't give back
1542                  * a CHECK CONDITION. We'll give back a QUEUE FULL status
1543                  * instead. This works out okay because the only time we
1544                  * should, in fact, get this, is in the case that we've
1545                  * run out of ATIOS.
1546                  */
1547                 xpt_print_path(tptr->owner);
1548                 isp_prt(isp, ISP_LOGWARN,
1549                     "no %s for lun %d from initiator %d",
1550                     (atp == NULL && atiop == NULL)? "ATIO2s *or* ATPS" :
1551                     ((atp == NULL)? "ATPs" : "ATIO2s"), lun, aep->at_iid);
1552                 rls_lun_statep(isp, tptr);
1553                 isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0);
1554                 return (0);
1555         }
1556         atp->state = ATPD_STATE_ATIO;
1557         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1558         tptr->atio_count--;
1559         isp_prt(isp, ISP_LOGTDEBUG0, "Take FREE ATIO2 lun %d, count now %d",
1560             lun, tptr->atio_count);
1561
1562         if (tptr == &isp->isp_osinfo.tsdflt[0]) {
1563                 atiop->ccb_h.target_id =
1564                     ((fcparam *)isp->isp_param)->isp_loopid;
1565                 atiop->ccb_h.target_lun = lun;
1566         }
1567         /*
1568          * We don't get 'suggested' sense data as we do with SCSI cards.
1569          */
1570         atiop->sense_len = 0;
1571
1572         atiop->init_id = aep->at_iid;
1573         atiop->cdb_len = ATIO2_CDBLEN;
1574         MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1575         atiop->ccb_h.status = CAM_CDB_RECVD;
1576         atiop->tag_id = aep->at_rxid;
1577         switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1578         case ATIO2_TC_ATTR_SIMPLEQ:
1579                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1580                 break;
1581         case ATIO2_TC_ATTR_HEADOFQ:
1582                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1583                 break;
1584         case ATIO2_TC_ATTR_ORDERED:
1585                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1586                 break;
1587         case ATIO2_TC_ATTR_ACAQ:                /* ?? */
1588         case ATIO2_TC_ATTR_UNTAGGED:
1589         default:
1590                 atiop->tag_action = 0;
1591                 break;
1592         }
1593         atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
1594
1595         atp->tag = atiop->tag_id;
1596         atp->lun = lun;
1597         atp->orig_datalen = aep->at_datalen;
1598         atp->last_xframt = 0;
1599         atp->bytes_xfered = 0;
1600         atp->state = ATPD_STATE_CAM;
1601         xpt_done((union ccb*)atiop);
1602
1603         isp_prt(isp, ISP_LOGTDEBUG0,
1604             "ATIO2[%x] CDB=0x%x iid%d->lun%d tattr 0x%x datalen %u",
1605             aep->at_rxid, aep->at_cdb[0] & 0xff, aep->at_iid,
1606             lun, aep->at_taskflags, aep->at_datalen);
1607         rls_lun_statep(isp, tptr);
1608         return (0);
1609 }
1610
1611 static int
1612 isp_handle_platform_ctio(struct ispsoftc *isp, void *arg)
1613 {
1614         union ccb *ccb;
1615         int sentstatus, ok, notify_cam, resid = 0;
1616         u_int16_t tval;
1617
1618         /*
1619          * CTIO and CTIO2 are close enough....
1620          */
1621
1622         ccb = (union ccb *) isp_find_xs(isp, ((ct_entry_t *)arg)->ct_syshandle);
1623         KASSERT((ccb != NULL), ("null ccb in isp_handle_platform_ctio"));
1624         isp_destroy_handle(isp, ((ct_entry_t *)arg)->ct_syshandle);
1625
1626         if (IS_FC(isp)) {
1627                 ct2_entry_t *ct = arg;
1628                 atio_private_data_t *atp = isp_get_atpd(isp, ct->ct_rxid);
1629                 if (atp == NULL) {
1630                         isp_prt(isp, ISP_LOGERR,
1631                             "cannot find adjunct for %x after I/O",
1632                             ct->ct_rxid);
1633                         return (0);
1634                 }
1635                 sentstatus = ct->ct_flags & CT2_SENDSTATUS;
1636                 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
1637                 if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
1638                         ccb->ccb_h.status |= CAM_SENT_SENSE;
1639                 }
1640                 notify_cam = ct->ct_header.rqs_seqno & 0x1;
1641                 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
1642                         resid = ct->ct_resid;
1643                         atp->bytes_xfered += (atp->last_xframt - resid);
1644                         atp->last_xframt = 0;
1645                 }
1646                 if (sentstatus || !ok) {
1647                         atp->tag = 0;
1648                 }
1649                 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN,
1650                     "CTIO2[%x] sts 0x%x flg 0x%x sns %d resid %d %s",
1651                     ct->ct_rxid, ct->ct_status, ct->ct_flags,
1652                     (ccb->ccb_h.status & CAM_SENT_SENSE) != 0,
1653                     resid, sentstatus? "FIN" : "MID");
1654                 tval = ct->ct_rxid;
1655
1656                 /* XXX: should really come after isp_complete_ctio */
1657                 atp->state = ATPD_STATE_PDON;
1658         } else {
1659                 ct_entry_t *ct = arg;
1660                 sentstatus = ct->ct_flags & CT_SENDSTATUS;
1661                 ok = (ct->ct_status  & ~QLTM_SVALID) == CT_OK;
1662                 /*
1663                  * We *ought* to be able to get back to the original ATIO
1664                  * here, but for some reason this gets lost. It's just as
1665                  * well because it's squirrelled away as part of periph
1666                  * private data.
1667                  *
1668                  * We can live without it as long as we continue to use
1669                  * the auto-replenish feature for CTIOs.
1670                  */
1671                 notify_cam = ct->ct_header.rqs_seqno & 0x1;
1672                 if (ct->ct_status & QLTM_SVALID) {
1673                         char *sp = (char *)ct;
1674                         sp += CTIO_SENSE_OFFSET;
1675                         ccb->csio.sense_len =
1676                             min(sizeof (ccb->csio.sense_data), QLTM_SENSELEN);
1677                         MEMCPY(&ccb->csio.sense_data, sp, ccb->csio.sense_len);
1678                         ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
1679                 }
1680                 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) {
1681                         resid = ct->ct_resid;
1682                 }
1683                 isp_prt(isp, ISP_LOGTDEBUG0,
1684                     "CTIO[%x] tag %x iid %d lun %d sts %x flg %x resid %d %s",
1685                     ct->ct_fwhandle, ct->ct_tag_val, ct->ct_iid, ct->ct_lun,
1686                     ct->ct_status, ct->ct_flags, resid,
1687                     sentstatus? "FIN" : "MID");
1688                 tval = ct->ct_fwhandle;
1689         }
1690         ccb->csio.resid += resid;
1691
1692         /*
1693          * We're here either because intermediate data transfers are done
1694          * and/or the final status CTIO (which may have joined with a
1695          * Data Transfer) is done.
1696          *
1697          * In any case, for this platform, the upper layers figure out
1698          * what to do next, so all we do here is collect status and
1699          * pass information along. Any DMA handles have already been
1700          * freed.
1701          */
1702         if (notify_cam == 0) {
1703                 isp_prt(isp, ISP_LOGTDEBUG0, "  INTER CTIO[0x%x] done", tval);
1704                 return (0);
1705         }
1706
1707         isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done",
1708             (sentstatus)? "  FINAL " : "MIDTERM ", tval);
1709
1710         if (!ok) {
1711                 isp_target_putback_atio(ccb);
1712         } else {
1713                 isp_complete_ctio(ccb);
1714
1715         }
1716         return (0);
1717 }
1718
1719 static int
1720 isp_handle_platform_notify_scsi(struct ispsoftc *isp, in_entry_t *inp)
1721 {
1722         return (0);     /* XXXX */
1723 }
1724
1725 static int
1726 isp_handle_platform_notify_fc(struct ispsoftc *isp, in_fcentry_t *inp)
1727 {
1728
1729         switch (inp->in_status) {
1730         case IN_PORT_LOGOUT:
1731                 isp_prt(isp, ISP_LOGWARN, "port logout of iid %d",
1732                    inp->in_iid);
1733                 break;
1734         case IN_PORT_CHANGED:
1735                 isp_prt(isp, ISP_LOGWARN, "port changed for iid %d",
1736                    inp->in_iid);
1737                 break;
1738         case IN_GLOBAL_LOGO:
1739                 isp_prt(isp, ISP_LOGINFO, "all ports logged out");
1740                 break;
1741         case IN_ABORT_TASK:
1742         {
1743                 atio_private_data_t *atp = isp_get_atpd(isp, inp->in_seqid);
1744                 struct ccb_immed_notify *inot = NULL;
1745
1746                 if (atp) {
1747                         tstate_t *tptr = get_lun_statep(isp, 0, atp->lun);
1748                         if (tptr) {
1749                                 inot = (struct ccb_immed_notify *)
1750                                     SLIST_FIRST(&tptr->inots);
1751                                 if (inot) {
1752                                         SLIST_REMOVE_HEAD(&tptr->inots,
1753                                             sim_links.sle);
1754                                 }
1755                         }
1756                         isp_prt(isp, ISP_LOGWARN,
1757                            "abort task RX_ID %x IID %d state %d",
1758                            inp->in_seqid, inp->in_iid, atp->state);
1759                 } else {
1760                         isp_prt(isp, ISP_LOGWARN,
1761                            "abort task RX_ID %x from iid %d, state unknown",
1762                            inp->in_seqid, inp->in_iid);
1763                 }
1764                 if (inot) {
1765                         inot->initiator_id = inp->in_iid;
1766                         inot->sense_len = 0;
1767                         inot->message_args[0] = MSG_ABORT_TAG;
1768                         inot->message_args[1] = inp->in_seqid & 0xff;
1769                         inot->message_args[2] = (inp->in_seqid >> 8) & 0xff;
1770                         inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN;
1771                         xpt_done((union ccb *)inot);
1772                 }
1773                 break;
1774         }
1775         default:
1776                 break;
1777         }
1778         return (0);
1779 }
1780 #endif
1781
1782 static void
1783 isp_cam_async(void *cbarg, u_int32_t code, struct cam_path *path, void *arg)
1784 {
1785         struct cam_sim *sim;
1786         struct ispsoftc *isp;
1787
1788         sim = (struct cam_sim *)cbarg;
1789         isp = (struct ispsoftc *) cam_sim_softc(sim);
1790         switch (code) {
1791         case AC_LOST_DEVICE:
1792                 if (IS_SCSI(isp)) {
1793                         u_int16_t oflags, nflags;
1794                         sdparam *sdp = isp->isp_param;
1795                         int tgt;
1796
1797                         tgt = xpt_path_target_id(path);
1798                         if (tgt >= 0) {
1799                                 sdp += cam_sim_bus(sim);
1800                                 ISP_LOCK(isp);
1801                                 nflags = sdp->isp_devparam[tgt].nvrm_flags;
1802 #ifndef ISP_TARGET_MODE
1803                                 nflags &= DPARM_SAFE_DFLT;
1804                                 if (isp->isp_loaded_fw) {
1805                                         nflags |= DPARM_NARROW | DPARM_ASYNC;
1806                                 }
1807 #else
1808                                 nflags = DPARM_DEFAULT;
1809 #endif
1810                                 oflags = sdp->isp_devparam[tgt].goal_flags;
1811                                 sdp->isp_devparam[tgt].goal_flags = nflags;
1812                                 sdp->isp_devparam[tgt].dev_update = 1;
1813                                 isp->isp_update |= (1 << cam_sim_bus(sim));
1814                                 (void) isp_control(isp,
1815                                     ISPCTL_UPDATE_PARAMS, NULL);
1816                                 sdp->isp_devparam[tgt].goal_flags = oflags;
1817                                 ISP_UNLOCK(isp);
1818                         }
1819                 }
1820                 break;
1821         default:
1822                 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
1823                 break;
1824         }
1825 }
1826
1827 static void
1828 isp_poll(struct cam_sim *sim)
1829 {
1830         struct ispsoftc *isp = cam_sim_softc(sim);
1831         u_int16_t isr, sema, mbox;
1832
1833         ISP_LOCK(isp);
1834         if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
1835                 isp_intr(isp, isr, sema, mbox);
1836         }
1837         ISP_UNLOCK(isp);
1838 }
1839
1840
1841 static void
1842 isp_watchdog(void *arg)
1843 {
1844         XS_T *xs = arg;
1845         struct ispsoftc *isp = XS_ISP(xs);
1846         u_int32_t handle;
1847         int iok;
1848
1849         /*
1850          * We've decided this command is dead. Make sure we're not trying
1851          * to kill a command that's already dead by getting it's handle and
1852          * and seeing whether it's still alive.
1853          */
1854         ISP_LOCK(isp);
1855         iok = isp->isp_osinfo.intsok;
1856         isp->isp_osinfo.intsok = 0;
1857         handle = isp_find_handle(isp, xs);
1858         if (handle) {
1859                 u_int16_t isr, sema, mbox;
1860
1861                 if (XS_CMD_DONE_P(xs)) {
1862                         isp_prt(isp, ISP_LOGDEBUG1,
1863                             "watchdog found done cmd (handle 0x%x)", handle);
1864                         ISP_UNLOCK(isp);
1865                         return;
1866                 }
1867
1868                 if (XS_CMD_WDOG_P(xs)) {
1869                         isp_prt(isp, ISP_LOGDEBUG2,
1870                             "recursive watchdog (handle 0x%x)", handle);
1871                         ISP_UNLOCK(isp);
1872                         return;
1873                 }
1874
1875                 XS_CMD_S_WDOG(xs);
1876                 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
1877                         isp_intr(isp, isr, sema, mbox);
1878                 }
1879                 if (XS_CMD_DONE_P(xs)) {
1880                         isp_prt(isp, ISP_LOGDEBUG2,
1881                             "watchdog cleanup for handle 0x%x", handle);
1882                         xpt_done((union ccb *) xs);
1883                 } else if (XS_CMD_GRACE_P(xs)) {
1884                         /*
1885                          * Make sure the command is *really* dead before we
1886                          * release the handle (and DMA resources) for reuse.
1887                          */
1888                         (void) isp_control(isp, ISPCTL_ABORT_CMD, arg);
1889
1890                         /*
1891                          * After this point, the comamnd is really dead.
1892                          */
1893                         if (XS_XFRLEN(xs)) {
1894                                 ISP_DMAFREE(isp, xs, handle);
1895                         }
1896                         isp_destroy_handle(isp, handle);
1897                         xpt_print_path(xs->ccb_h.path);
1898                         isp_prt(isp, ISP_LOGWARN,
1899                             "watchdog timeout for handle 0x%x", handle);
1900                         XS_SETERR(xs, CAM_CMD_TIMEOUT);
1901                         XS_CMD_C_WDOG(xs);
1902                         isp_done(xs);
1903                 } else {
1904                         u_int16_t nxti, optr;
1905                         ispreq_t local, *mp= &local, *qe;
1906
1907                         XS_CMD_C_WDOG(xs);
1908                         xs->ccb_h.timeout_ch = timeout(isp_watchdog, xs, hz);
1909                         if (isp_getrqentry(isp, &nxti, &optr, (void **) &qe)) {
1910                                 ISP_UNLOCK(isp);
1911                                 return;
1912                         }
1913                         XS_CMD_S_GRACE(xs);
1914                         MEMZERO((void *) mp, sizeof (*mp));
1915                         mp->req_header.rqs_entry_count = 1;
1916                         mp->req_header.rqs_entry_type = RQSTYPE_MARKER;
1917                         mp->req_modifier = SYNC_ALL;
1918                         mp->req_target = XS_CHANNEL(xs) << 7;
1919                         isp_put_request(isp, mp, qe);
1920                         ISP_ADD_REQUEST(isp, nxti);
1921                 }
1922         } else {
1923                 isp_prt(isp, ISP_LOGDEBUG2, "watchdog with no command");
1924         }
1925         isp->isp_osinfo.intsok = iok;
1926         ISP_UNLOCK(isp);
1927 }
1928
1929 static void
1930 isp_kthread(void *arg)
1931 {
1932         struct ispsoftc *isp = arg;
1933         int s;
1934
1935         s = splcam();
1936         isp->isp_osinfo.intsok = 1;
1937
1938         /*
1939          * The first loop is for our usage where we have yet to have
1940          * gotten good fibre channel state.
1941          */
1942         for (;;) {
1943                 int wasfrozen;
1944
1945                 isp_prt(isp, ISP_LOGDEBUG0, "kthread: checking FC state");
1946                 while (isp_fc_runstate(isp, 2 * 1000000) != 0) {
1947                         isp_prt(isp, ISP_LOGDEBUG0, "kthread: FC state ungood");
1948                         if (FCPARAM(isp)->isp_fwstate != FW_READY ||
1949                             FCPARAM(isp)->isp_loopstate < LOOP_PDB_RCVD) {
1950                                 if (FCPARAM(isp)->loop_seen_once == 0 ||
1951                                     isp->isp_osinfo.ktmature == 0) {
1952                                         break;
1953                                 }
1954                         }
1955                         tsleep(isp_kthread, 0, "isp_fcthrd", hz);
1956
1957                 }
1958
1959                 /*
1960                  * Even if we didn't get good loop state we may be
1961                  * unfreezing the SIMQ so that we can kill off
1962                  * commands (if we've never seen loop before, for example).
1963                  */
1964                 isp->isp_osinfo.ktmature = 1;
1965                 wasfrozen = isp->isp_osinfo.simqfrozen & SIMQFRZ_LOOPDOWN;
1966                 isp->isp_osinfo.simqfrozen &= ~SIMQFRZ_LOOPDOWN;
1967                 if (wasfrozen && isp->isp_osinfo.simqfrozen == 0) {
1968                         isp_prt(isp, ISP_LOGDEBUG0, "kthread: releasing simq");
1969                         ISPLOCK_2_CAMLOCK(isp);
1970                         xpt_release_simq(isp->isp_sim, 1);
1971                         CAMLOCK_2_ISPLOCK(isp);
1972                 }
1973                 tsleep(&isp->isp_osinfo.kthread, 0, "isp_fc_worker", 0);
1974                 isp_prt(isp, ISP_LOGDEBUG0, "kthread: waiting until called");
1975         }
1976 }
1977
1978 static void
1979 isp_action(struct cam_sim *sim, union ccb *ccb)
1980 {
1981         int bus, tgt, error;
1982         struct ispsoftc *isp;
1983         struct ccb_trans_settings *cts;
1984
1985         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
1986
1987         isp = (struct ispsoftc *)cam_sim_softc(sim);
1988         ccb->ccb_h.sim_priv.entries[0].field = 0;
1989         ccb->ccb_h.sim_priv.entries[1].ptr = isp;
1990         if (isp->isp_state != ISP_RUNSTATE &&
1991             ccb->ccb_h.func_code == XPT_SCSI_IO) {
1992                 CAMLOCK_2_ISPLOCK(isp);
1993                 isp_init(isp);
1994                 if (isp->isp_state != ISP_INITSTATE) {
1995                         ISP_UNLOCK(isp);
1996                         /*
1997                          * Lie. Say it was a selection timeout.
1998                          */
1999                         ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN;
2000                         xpt_freeze_devq(ccb->ccb_h.path, 1);
2001                         xpt_done(ccb);
2002                         return;
2003                 }
2004                 isp->isp_state = ISP_RUNSTATE;
2005                 ISPLOCK_2_CAMLOCK(isp);
2006         }
2007         isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
2008
2009
2010         switch (ccb->ccb_h.func_code) {
2011         case XPT_SCSI_IO:       /* Execute the requested I/O operation */
2012                 /*
2013                  * Do a couple of preliminary checks...
2014                  */
2015                 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
2016                         if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
2017                                 ccb->ccb_h.status = CAM_REQ_INVALID;
2018                                 xpt_done(ccb);
2019                                 break;
2020                         }
2021                 }
2022 #ifdef  DIAGNOSTIC
2023                 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) {
2024                         ccb->ccb_h.status = CAM_PATH_INVALID;
2025                 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) {
2026                         ccb->ccb_h.status = CAM_PATH_INVALID;
2027                 }
2028                 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
2029                         isp_prt(isp, ISP_LOGERR,
2030                             "invalid tgt/lun (%d.%d) in XPT_SCSI_IO",
2031                             ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2032                         xpt_done(ccb);
2033                         break;
2034                 }
2035 #endif
2036                 ((struct ccb_scsiio *) ccb)->scsi_status = SCSI_STATUS_OK;
2037                 CAMLOCK_2_ISPLOCK(isp);
2038                 error = isp_start((XS_T *) ccb);
2039                 switch (error) {
2040                 case CMD_QUEUED:
2041                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
2042                         if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) {
2043                                 u_int64_t ticks = (u_int64_t) hz;
2044                                 if (ccb->ccb_h.timeout == CAM_TIME_DEFAULT)
2045                                         ticks = 60 * 1000 * ticks;
2046                                 else
2047                                         ticks = ccb->ccb_h.timeout * hz;
2048                                 ticks = ((ticks + 999) / 1000) + hz + hz;
2049                                 if (ticks >= 0x80000000) {
2050                                         isp_prt(isp, ISP_LOGERR,
2051                                             "timeout overflow");
2052                                         ticks = 0x7fffffff;
2053                                 }
2054                                 ccb->ccb_h.timeout_ch = timeout(isp_watchdog,
2055                                     (caddr_t)ccb, (int)ticks);
2056                         } else {
2057                                 callout_handle_init(&ccb->ccb_h.timeout_ch);
2058                         }
2059                         ISPLOCK_2_CAMLOCK(isp);
2060                         break;
2061                 case CMD_RQLATER:
2062                         /*
2063                          * This can only happen for Fibre Channel
2064                          */
2065                         KASSERT((IS_FC(isp)), ("CMD_RQLATER for FC only"));
2066                         if (FCPARAM(isp)->loop_seen_once == 0 &&
2067                             isp->isp_osinfo.ktmature) {
2068                                 ISPLOCK_2_CAMLOCK(isp);
2069                                 XS_SETERR(ccb, CAM_SEL_TIMEOUT);
2070                                 xpt_done(ccb);
2071                                 break;
2072                         }
2073                         wakeup(&isp->isp_osinfo.kthread);
2074                         isp_freeze_loopdown(isp, "isp_action(RQLATER)");
2075                         isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
2076                         XS_SETERR(ccb, CAM_REQUEUE_REQ);
2077                         ISPLOCK_2_CAMLOCK(isp);
2078                         xpt_done(ccb);
2079                         break;
2080                 case CMD_EAGAIN:
2081                         XS_SETERR(ccb, CAM_REQUEUE_REQ);
2082                         ISPLOCK_2_CAMLOCK(isp);
2083                         xpt_done(ccb);
2084                         break;
2085                 case CMD_COMPLETE:
2086                         isp_done((struct ccb_scsiio *) ccb);
2087                         ISPLOCK_2_CAMLOCK(isp);
2088                         break;
2089                 default:
2090                         isp_prt(isp, ISP_LOGERR,
2091                             "What's this? 0x%x at %d in file %s",
2092                             error, __LINE__, __FILE__);
2093                         XS_SETERR(ccb, CAM_REQ_CMP_ERR);
2094                         xpt_done(ccb);
2095                         ISPLOCK_2_CAMLOCK(isp);
2096                 }
2097                 break;
2098
2099 #ifdef  ISP_TARGET_MODE
2100         case XPT_EN_LUN:                /* Enable LUN as a target */
2101         {
2102                 int iok;
2103                 CAMLOCK_2_ISPLOCK(isp);
2104                 iok = isp->isp_osinfo.intsok;
2105                 isp->isp_osinfo.intsok = 0;
2106                 isp_en_lun(isp, ccb);
2107                 isp->isp_osinfo.intsok = iok;
2108                 ISPLOCK_2_CAMLOCK(isp);
2109                 xpt_done(ccb);
2110                 break;
2111         }
2112         case XPT_NOTIFY_ACK:            /* recycle notify ack */
2113         case XPT_IMMED_NOTIFY:          /* Add Immediate Notify Resource */
2114         case XPT_ACCEPT_TARGET_IO:      /* Add Accept Target IO Resource */
2115         {
2116                 tstate_t *tptr =
2117                     get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
2118                 if (tptr == NULL) {
2119                         ccb->ccb_h.status = CAM_LUN_INVALID;
2120                         xpt_done(ccb);
2121                         break;
2122                 }
2123                 ccb->ccb_h.sim_priv.entries[0].field = 0;
2124                 ccb->ccb_h.sim_priv.entries[1].ptr = isp;
2125                 ccb->ccb_h.flags = 0;
2126
2127                 CAMLOCK_2_ISPLOCK(isp);
2128                 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
2129                         /*
2130                          * Note that the command itself may not be done-
2131                          * it may not even have had the first CTIO sent.
2132                          */
2133                         tptr->atio_count++;
2134                         isp_prt(isp, ISP_LOGTDEBUG0,
2135                             "Put FREE ATIO2, lun %d, count now %d",
2136                             ccb->ccb_h.target_lun, tptr->atio_count);
2137                         SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h,
2138                             sim_links.sle);
2139                 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
2140                         SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h,
2141                             sim_links.sle);
2142                 } else {
2143                         ;
2144                 }
2145                 rls_lun_statep(isp, tptr);
2146                 ccb->ccb_h.status = CAM_REQ_INPROG;
2147                 ISPLOCK_2_CAMLOCK(isp);
2148                 break;
2149         }
2150         case XPT_CONT_TARGET_IO:
2151         {
2152                 CAMLOCK_2_ISPLOCK(isp);
2153                 ccb->ccb_h.status = isp_target_start_ctio(isp, ccb);
2154                 if (ccb->ccb_h.status != CAM_REQ_INPROG) {
2155                         isp_prt(isp, ISP_LOGWARN,
2156                             "XPT_CONT_TARGET_IO: status 0x%x",
2157                             ccb->ccb_h.status);
2158                         XS_SETERR(ccb, CAM_REQUEUE_REQ);
2159                         ISPLOCK_2_CAMLOCK(isp);
2160                         xpt_done(ccb);
2161                 } else {
2162                         ISPLOCK_2_CAMLOCK(isp);
2163                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
2164                 }
2165                 break;
2166         }
2167 #endif
2168         case XPT_RESET_DEV:             /* BDR the specified SCSI device */
2169
2170                 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
2171                 tgt = ccb->ccb_h.target_id;
2172                 tgt |= (bus << 16);
2173
2174                 CAMLOCK_2_ISPLOCK(isp);
2175                 error = isp_control(isp, ISPCTL_RESET_DEV, &tgt);
2176                 ISPLOCK_2_CAMLOCK(isp);
2177                 if (error) {
2178                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2179                 } else {
2180                         ccb->ccb_h.status = CAM_REQ_CMP;
2181                 }
2182                 xpt_done(ccb);
2183                 break;
2184         case XPT_ABORT:                 /* Abort the specified CCB */
2185         {
2186                 union ccb *accb = ccb->cab.abort_ccb;
2187                 CAMLOCK_2_ISPLOCK(isp);
2188                 switch (accb->ccb_h.func_code) {
2189 #ifdef  ISP_TARGET_MODE
2190                 case XPT_ACCEPT_TARGET_IO:
2191                 case XPT_IMMED_NOTIFY:
2192                         ccb->ccb_h.status = isp_abort_tgt_ccb(isp, ccb);
2193                         break;
2194                 case XPT_CONT_TARGET_IO:
2195                         isp_prt(isp, ISP_LOGERR, "cannot abort CTIOs yet");
2196                         ccb->ccb_h.status = CAM_UA_ABORT;
2197                         break;
2198 #endif
2199                 case XPT_SCSI_IO:
2200                         error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
2201                         if (error) {
2202                                 ccb->ccb_h.status = CAM_UA_ABORT;
2203                         } else {
2204                                 ccb->ccb_h.status = CAM_REQ_CMP;
2205                         }
2206                         break;
2207                 default:
2208                         ccb->ccb_h.status = CAM_REQ_INVALID;
2209                         break;
2210                 }
2211                 ISPLOCK_2_CAMLOCK(isp);
2212                 xpt_done(ccb);
2213                 break;
2214         }
2215 #define IS_CURRENT_SETTINGS(c)  (c->flags & CCB_TRANS_CURRENT_SETTINGS)
2216         case XPT_SET_TRAN_SETTINGS:     /* Nexus Settings */
2217                 cts = &ccb->cts;
2218                 if (!IS_CURRENT_SETTINGS(cts)) {
2219                         ccb->ccb_h.status = CAM_REQ_INVALID;
2220                         xpt_done(ccb);
2221                         break;
2222                 }
2223                 tgt = cts->ccb_h.target_id;
2224                 CAMLOCK_2_ISPLOCK(isp);
2225                 if (IS_SCSI(isp)) {
2226                         sdparam *sdp = isp->isp_param;
2227                         u_int16_t *dptr;
2228
2229                         bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
2230
2231                         sdp += bus;
2232                         /*
2233                          * We always update (internally) from goal_flags
2234                          * so any request to change settings just gets
2235                          * vectored to that location.
2236                          */
2237                         dptr = &sdp->isp_devparam[tgt].goal_flags;
2238
2239                         /*
2240                          * Note that these operations affect the
2241                          * the goal flags (goal_flags)- not
2242                          * the current state flags. Then we mark
2243                          * things so that the next operation to
2244                          * this HBA will cause the update to occur.
2245                          */
2246                         if (cts->valid & CCB_TRANS_DISC_VALID) {
2247                                 if ((cts->flags & CCB_TRANS_DISC_ENB) != 0) {
2248                                         *dptr |= DPARM_DISC;
2249                                 } else {
2250                                         *dptr &= ~DPARM_DISC;
2251                                 }
2252                         }
2253                         if (cts->valid & CCB_TRANS_TQ_VALID) {
2254                                 if ((cts->flags & CCB_TRANS_TAG_ENB) != 0) {
2255                                         *dptr |= DPARM_TQING;
2256                                 } else {
2257                                         *dptr &= ~DPARM_TQING;
2258                                 }
2259                         }
2260                         if (cts->valid & CCB_TRANS_BUS_WIDTH_VALID) {
2261                                 switch (cts->bus_width) {
2262                                 case MSG_EXT_WDTR_BUS_16_BIT:
2263                                         *dptr |= DPARM_WIDE;
2264                                         break;
2265                                 default:
2266                                         *dptr &= ~DPARM_WIDE;
2267                                 }
2268                         }
2269                         /*
2270                          * Any SYNC RATE of nonzero and SYNC_OFFSET
2271                          * of nonzero will cause us to go to the
2272                          * selected (from NVRAM) maximum value for
2273                          * this device. At a later point, we'll
2274                          * allow finer control.
2275                          */
2276                         if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) &&
2277                             (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) &&
2278                             (cts->sync_offset > 0)) {
2279                                 *dptr |= DPARM_SYNC;
2280                         } else {
2281                                 *dptr &= ~DPARM_SYNC;
2282                         }
2283                         *dptr |= DPARM_SAFE_DFLT;
2284                         isp_prt(isp, ISP_LOGDEBUG0,
2285                             "SET bus %d targ %d to flags %x off %x per %x",
2286                             bus, tgt, sdp->isp_devparam[tgt].goal_flags,
2287                             sdp->isp_devparam[tgt].goal_offset,
2288                             sdp->isp_devparam[tgt].goal_period);
2289                         sdp->isp_devparam[tgt].dev_update = 1;
2290                         isp->isp_update |= (1 << bus);
2291                 }
2292                 ISPLOCK_2_CAMLOCK(isp);
2293                 ccb->ccb_h.status = CAM_REQ_CMP;
2294                 xpt_done(ccb);
2295                 break;
2296         case XPT_GET_TRAN_SETTINGS:
2297                 cts = &ccb->cts;
2298                 tgt = cts->ccb_h.target_id;
2299                 CAMLOCK_2_ISPLOCK(isp);
2300                 if (IS_FC(isp)) {
2301                         /*
2302                          * a lot of normal SCSI things don't make sense.
2303                          */
2304                         cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB;
2305                         cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2306                         /*
2307                          * How do you measure the width of a high
2308                          * speed serial bus? Well, in bytes.
2309                          *
2310                          * Offset and period make no sense, though, so we set
2311                          * (above) a 'base' transfer speed to be gigabit.
2312                          */
2313                         cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
2314                 } else {
2315                         sdparam *sdp = isp->isp_param;
2316                         int bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
2317                         u_int16_t dval, pval, oval;
2318
2319                         sdp += bus;
2320
2321                         if (IS_CURRENT_SETTINGS(cts)) {
2322                                 sdp->isp_devparam[tgt].dev_refresh = 1;
2323                                 isp->isp_update |= (1 << bus);
2324                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS,
2325                                     NULL);
2326                                 dval = sdp->isp_devparam[tgt].actv_flags;
2327                                 oval = sdp->isp_devparam[tgt].actv_offset;
2328                                 pval = sdp->isp_devparam[tgt].actv_period;
2329                         } else {
2330                                 dval = sdp->isp_devparam[tgt].nvrm_flags;
2331                                 oval = sdp->isp_devparam[tgt].nvrm_offset;
2332                                 pval = sdp->isp_devparam[tgt].nvrm_period;
2333                         }
2334
2335                         cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB);
2336
2337                         if (dval & DPARM_DISC) {
2338                                 cts->flags |= CCB_TRANS_DISC_ENB;
2339                         }
2340                         if (dval & DPARM_TQING) {
2341                                 cts->flags |= CCB_TRANS_TAG_ENB;
2342                         }
2343                         if (dval & DPARM_WIDE) {
2344                                 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
2345                         } else {
2346                                 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
2347                         }
2348                         cts->valid = CCB_TRANS_BUS_WIDTH_VALID |
2349                             CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2350
2351                         if ((dval & DPARM_SYNC) && oval != 0) {
2352                                 cts->sync_period = pval;
2353                                 cts->sync_offset = oval;
2354                                 cts->valid |=
2355                                     CCB_TRANS_SYNC_RATE_VALID |
2356                                     CCB_TRANS_SYNC_OFFSET_VALID;
2357                         }
2358                         isp_prt(isp, ISP_LOGDEBUG0,
2359                             "GET %s bus %d targ %d to flags %x off %x per %x",
2360                             IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
2361                             bus, tgt, dval, oval, pval);
2362                 }
2363                 ISPLOCK_2_CAMLOCK(isp);
2364                 ccb->ccb_h.status = CAM_REQ_CMP;
2365                 xpt_done(ccb);
2366                 break;
2367
2368         case XPT_CALC_GEOMETRY:
2369         {
2370                 struct ccb_calc_geometry *ccg;
2371                 u_int32_t secs_per_cylinder;
2372                 u_int32_t size_mb;
2373
2374                 ccg = &ccb->ccg;
2375                 if (ccg->block_size == 0) {
2376                         isp_prt(isp, ISP_LOGERR,
2377                             "%d.%d XPT_CALC_GEOMETRY block size 0?",
2378                             ccg->ccb_h.target_id, ccg->ccb_h.target_lun);
2379                         ccb->ccb_h.status = CAM_REQ_INVALID;
2380                         xpt_done(ccb);
2381                         break;
2382                 }
2383                 size_mb = ccg->volume_size /((1024L * 1024L) / ccg->block_size);
2384                 if (size_mb > 1024) {
2385                         ccg->heads = 255;
2386                         ccg->secs_per_track = 63;
2387                 } else {
2388                         ccg->heads = 64;
2389                         ccg->secs_per_track = 32;
2390                 }
2391                 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2392                 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2393                 ccb->ccb_h.status = CAM_REQ_CMP;
2394                 xpt_done(ccb);
2395                 break;
2396         }
2397         case XPT_RESET_BUS:             /* Reset the specified bus */
2398                 bus = cam_sim_bus(sim);
2399                 CAMLOCK_2_ISPLOCK(isp);
2400                 error = isp_control(isp, ISPCTL_RESET_BUS, &bus);
2401                 ISPLOCK_2_CAMLOCK(isp);
2402                 if (error)
2403                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2404                 else {
2405                         if (cam_sim_bus(sim) && isp->isp_path2 != NULL)
2406                                 xpt_async(AC_BUS_RESET, isp->isp_path2, NULL);
2407                         else if (isp->isp_path != NULL)
2408                                 xpt_async(AC_BUS_RESET, isp->isp_path, NULL);
2409                         ccb->ccb_h.status = CAM_REQ_CMP;
2410                 }
2411                 xpt_done(ccb);
2412                 break;
2413
2414         case XPT_TERM_IO:               /* Terminate the I/O process */
2415                 ccb->ccb_h.status = CAM_REQ_INVALID;
2416                 xpt_done(ccb);
2417                 break;
2418
2419         case XPT_PATH_INQ:              /* Path routing inquiry */
2420         {
2421                 struct ccb_pathinq *cpi = &ccb->cpi;
2422
2423                 cpi->version_num = 1;
2424 #ifdef  ISP_TARGET_MODE
2425                 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
2426 #else
2427                 cpi->target_sprt = 0;
2428 #endif
2429                 cpi->hba_eng_cnt = 0;
2430                 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
2431                 cpi->max_lun = ISP_MAX_LUNS(isp) - 1;
2432                 cpi->bus_id = cam_sim_bus(sim);
2433                 if (IS_FC(isp)) {
2434                         cpi->hba_misc = PIM_NOBUSRESET;
2435                         /*
2436                          * Because our loop ID can shift from time to time,
2437                          * make our initiator ID out of range of our bus.
2438                          */
2439                         cpi->initiator_id = cpi->max_target + 1;
2440
2441                         /*
2442                          * Set base transfer capabilities for Fibre Channel.
2443                          * Technically not correct because we don't know
2444                          * what media we're running on top of- but we'll
2445                          * look good if we always say 100MB/s.
2446                          */
2447                         if (FCPARAM(isp)->isp_gbspeed == 2)
2448                                 cpi->base_transfer_speed = 200000;
2449                         else
2450                                 cpi->base_transfer_speed = 100000;
2451                         cpi->hba_inquiry = PI_TAG_ABLE;
2452                 } else {
2453                         sdparam *sdp = isp->isp_param;
2454                         sdp += cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
2455                         cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
2456                         cpi->hba_misc = 0;
2457                         cpi->initiator_id = sdp->isp_initiator_id;
2458                         cpi->base_transfer_speed = 3300;
2459                 }
2460                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2461                 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
2462                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2463                 cpi->unit_number = cam_sim_unit(sim);
2464                 cpi->ccb_h.status = CAM_REQ_CMP;
2465                 xpt_done(ccb);
2466                 break;
2467         }
2468         default:
2469                 ccb->ccb_h.status = CAM_REQ_INVALID;
2470                 xpt_done(ccb);
2471                 break;
2472         }
2473 }
2474
2475 #define ISPDDB  (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
2476 void
2477 isp_done(struct ccb_scsiio *sccb)
2478 {
2479         struct ispsoftc *isp = XS_ISP(sccb);
2480
2481         if (XS_NOERR(sccb))
2482                 XS_SETERR(sccb, CAM_REQ_CMP);
2483
2484         if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP &&
2485             (sccb->scsi_status != SCSI_STATUS_OK)) {
2486                 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
2487                 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) &&
2488                     (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
2489                         sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
2490                 } else {
2491                         sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
2492                 }
2493         }
2494
2495         sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2496         if ((sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2497                 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
2498                         sccb->ccb_h.status |= CAM_DEV_QFRZN;
2499                         xpt_freeze_devq(sccb->ccb_h.path, 1);
2500                         isp_prt(isp, ISP_LOGDEBUG0,
2501                             "freeze devq %d.%d cam sts %x scsi sts %x",
2502                             sccb->ccb_h.target_id, sccb->ccb_h.target_lun,
2503                             sccb->ccb_h.status, sccb->scsi_status);
2504                 }
2505         }
2506
2507         if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) &&
2508             (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2509                 xpt_print_path(sccb->ccb_h.path);
2510                 isp_prt(isp, ISP_LOGINFO,
2511                     "cam completion status 0x%x", sccb->ccb_h.status);
2512         }
2513
2514         XS_CMD_S_DONE(sccb);
2515         if (XS_CMD_WDOG_P(sccb) == 0) {
2516                 untimeout(isp_watchdog, (caddr_t)sccb, sccb->ccb_h.timeout_ch);
2517                 if (XS_CMD_GRACE_P(sccb)) {
2518                         isp_prt(isp, ISP_LOGDEBUG2,
2519                             "finished command on borrowed time");
2520                 }
2521                 XS_CMD_S_CLEAR(sccb);
2522                 ISPLOCK_2_CAMLOCK(isp);
2523                 xpt_done((union ccb *) sccb);
2524                 CAMLOCK_2_ISPLOCK(isp);
2525         }
2526 }
2527
2528 int
2529 isp_async(struct ispsoftc *isp, ispasync_t cmd, void *arg)
2530 {
2531         int bus, rv = 0;
2532         switch (cmd) {
2533         case ISPASYNC_NEW_TGT_PARAMS:
2534         {
2535                 int flags, tgt;
2536                 sdparam *sdp = isp->isp_param;
2537                 struct ccb_trans_settings cts;
2538                 struct cam_path *tmppath;
2539
2540                 bzero(&cts, sizeof (struct ccb_trans_settings));
2541
2542                 tgt = *((int *)arg);
2543                 bus = (tgt >> 16) & 0xffff;
2544                 tgt &= 0xffff;
2545                 sdp += bus;
2546                 ISPLOCK_2_CAMLOCK(isp);
2547                 if (xpt_create_path(&tmppath, NULL,
2548                     cam_sim_path(bus? isp->isp_sim2 : isp->isp_sim),
2549                     tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2550                         CAMLOCK_2_ISPLOCK(isp);
2551                         isp_prt(isp, ISP_LOGWARN,
2552                             "isp_async cannot make temp path for %d.%d",
2553                             tgt, bus);
2554                         rv = -1;
2555                         break;
2556                 }
2557                 CAMLOCK_2_ISPLOCK(isp);
2558                 flags = sdp->isp_devparam[tgt].actv_flags;
2559                 cts.flags = CCB_TRANS_CURRENT_SETTINGS;
2560                 cts.valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2561                 if (flags & DPARM_DISC) {
2562                         cts.flags |= CCB_TRANS_DISC_ENB;
2563                 }
2564                 if (flags & DPARM_TQING) {
2565                         cts.flags |= CCB_TRANS_TAG_ENB;
2566                 }
2567                 cts.valid |= CCB_TRANS_BUS_WIDTH_VALID;
2568                 cts.bus_width = (flags & DPARM_WIDE)?
2569                     MSG_EXT_WDTR_BUS_8_BIT : MSG_EXT_WDTR_BUS_16_BIT;
2570                 cts.sync_period = sdp->isp_devparam[tgt].actv_period;
2571                 cts.sync_offset = sdp->isp_devparam[tgt].actv_offset;
2572                 if (flags & DPARM_SYNC) {
2573                         cts.valid |=
2574                             CCB_TRANS_SYNC_RATE_VALID |
2575                             CCB_TRANS_SYNC_OFFSET_VALID;
2576                 }
2577                 isp_prt(isp, ISP_LOGDEBUG2,
2578                     "NEW_TGT_PARAMS bus %d tgt %d period %x offset %x flags %x",
2579                     bus, tgt, sdp->isp_devparam[tgt].actv_period,
2580                     sdp->isp_devparam[tgt].actv_offset, flags);
2581                 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
2582                 ISPLOCK_2_CAMLOCK(isp);
2583                 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
2584                 xpt_free_path(tmppath);
2585                 CAMLOCK_2_ISPLOCK(isp);
2586                 break;
2587         }
2588         case ISPASYNC_BUS_RESET:
2589                 bus = *((int *)arg);
2590                 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected",
2591                     bus);
2592                 if (bus > 0 && isp->isp_path2) {
2593                         ISPLOCK_2_CAMLOCK(isp);
2594                         xpt_async(AC_BUS_RESET, isp->isp_path2, NULL);
2595                         CAMLOCK_2_ISPLOCK(isp);
2596                 } else if (isp->isp_path) {
2597                         ISPLOCK_2_CAMLOCK(isp);
2598                         xpt_async(AC_BUS_RESET, isp->isp_path, NULL);
2599                         CAMLOCK_2_ISPLOCK(isp);
2600                 }
2601                 break;
2602         case ISPASYNC_LIP:
2603                 if (isp->isp_path) {
2604                         isp_freeze_loopdown(isp, "ISPASYNC_LIP");
2605                 }
2606                 isp_prt(isp, ISP_LOGINFO, "LIP Received");
2607                 break;
2608         case ISPASYNC_LOOP_RESET:
2609                 if (isp->isp_path) {
2610                         isp_freeze_loopdown(isp, "ISPASYNC_LOOP_RESET");
2611                 }
2612                 isp_prt(isp, ISP_LOGINFO, "Loop Reset Received");
2613                 break;
2614         case ISPASYNC_LOOP_DOWN:
2615                 if (isp->isp_path) {
2616                         isp_freeze_loopdown(isp, "ISPASYNC_LOOP_DOWN");
2617                 }
2618                 isp_prt(isp, ISP_LOGINFO, "Loop DOWN");
2619                 break;
2620         case ISPASYNC_LOOP_UP:
2621                 /*
2622                  * Now we just note that Loop has come up. We don't
2623                  * actually do anything because we're waiting for a
2624                  * Change Notify before activating the FC cleanup
2625                  * thread to look at the state of the loop again.
2626                  */
2627                 isp_prt(isp, ISP_LOGINFO, "Loop UP");
2628                 break;
2629         case ISPASYNC_PROMENADE:
2630         {
2631                 const char *fmt = "Target %d (Loop 0x%x) Port ID 0x%x "
2632                     "(role %s) %s\n Port WWN 0x%08x%08x\n Node WWN 0x%08x%08x";
2633                 static const char *roles[4] = {
2634                     "(none)", "Target", "Initiator", "Target/Initiator"
2635                 };
2636                 fcparam *fcp = isp->isp_param;
2637                 int tgt = *((int *) arg);
2638                 struct lportdb *lp = &fcp->portdb[tgt];
2639
2640                 isp_prt(isp, ISP_LOGINFO, fmt, tgt, lp->loopid, lp->portid,
2641                     roles[lp->roles & 0x3],
2642                     (lp->valid)? "Arrived" : "Departed",
2643                     (u_int32_t) (lp->port_wwn >> 32),
2644                     (u_int32_t) (lp->port_wwn & 0xffffffffLL),
2645                     (u_int32_t) (lp->node_wwn >> 32),
2646                     (u_int32_t) (lp->node_wwn & 0xffffffffLL));
2647
2648                 break;
2649         }
2650         case ISPASYNC_CHANGE_NOTIFY:
2651                 if (arg == ISPASYNC_CHANGE_PDB) {
2652                         isp_prt(isp, ISP_LOGINFO,
2653                             "Port Database Changed");
2654                 } else if (arg == ISPASYNC_CHANGE_SNS) {
2655                         isp_prt(isp, ISP_LOGINFO,
2656                             "Name Server Database Changed");
2657                 }
2658                 wakeup(&isp->isp_osinfo.kthread);
2659                 break;
2660         case ISPASYNC_FABRIC_DEV:
2661         {
2662                 int target, base, lim;
2663                 fcparam *fcp = isp->isp_param;
2664                 struct lportdb *lp = NULL;
2665                 struct lportdb *clp = (struct lportdb *) arg;
2666                 char *pt;
2667
2668                 switch (clp->port_type) {
2669                 case 1:
2670                         pt = "   N_Port";
2671                         break;
2672                 case 2:
2673                         pt = "  NL_Port";
2674                         break;
2675                 case 3:
2676                         pt = "F/NL_Port";
2677                         break;
2678                 case 0x7f:
2679                         pt = "  Nx_Port";
2680                         break;
2681                 case 0x81:
2682                         pt = "  F_port";
2683                         break;
2684                 case 0x82:
2685                         pt = "  FL_Port";
2686                         break;
2687                 case 0x84:
2688                         pt = "   E_port";
2689                         break;
2690                 default:
2691                         pt = " ";
2692                         break;
2693                 }
2694
2695                 isp_prt(isp, ISP_LOGINFO,
2696                     "%s Fabric Device @ PortID 0x%x", pt, clp->portid);
2697
2698                 /*
2699                  * If we don't have an initiator role we bail.
2700                  *
2701                  * We just use ISPASYNC_FABRIC_DEV for announcement purposes.
2702                  */
2703
2704                 if ((isp->isp_role & ISP_ROLE_INITIATOR) == 0) {
2705                         break;
2706                 }
2707
2708                 /*
2709                  * Is this entry for us? If so, we bail.
2710                  */
2711
2712                 if (fcp->isp_portid == clp->portid) {
2713                         break;
2714                 }
2715
2716                 /*
2717                  * Else, the default policy is to find room for it in
2718                  * our local port database. Later, when we execute
2719                  * the call to isp_pdb_sync either this newly arrived
2720                  * or already logged in device will be (re)announced.
2721                  */
2722
2723                 if (fcp->isp_topo == TOPO_FL_PORT)
2724                         base = FC_SNS_ID+1;
2725                 else
2726                         base = 0;
2727
2728                 if (fcp->isp_topo == TOPO_N_PORT)
2729                         lim = 1;
2730                 else
2731                         lim = MAX_FC_TARG;
2732
2733                 /*
2734                  * Is it already in our list?
2735                  */
2736                 for (target = base; target < lim; target++) {
2737                         if (target >= FL_PORT_ID && target <= FC_SNS_ID) {
2738                                 continue;
2739                         }
2740                         lp = &fcp->portdb[target];
2741                         if (lp->port_wwn == clp->port_wwn &&
2742                             lp->node_wwn == clp->node_wwn) {
2743                                 lp->fabric_dev = 1;
2744                                 break;
2745                         }
2746                 }
2747                 if (target < lim) {
2748                         break;
2749                 }
2750                 for (target = base; target < lim; target++) {
2751                         if (target >= FL_PORT_ID && target <= FC_SNS_ID) {
2752                                 continue;
2753                         }
2754                         lp = &fcp->portdb[target];
2755                         if (lp->port_wwn == 0) {
2756                                 break;
2757                         }
2758                 }
2759                 if (target == lim) {
2760                         isp_prt(isp, ISP_LOGWARN,
2761                             "out of space for fabric devices");
2762                         break;
2763                 }
2764                 lp->port_type = clp->port_type;
2765                 lp->fc4_type = clp->fc4_type;
2766                 lp->node_wwn = clp->node_wwn;
2767                 lp->port_wwn = clp->port_wwn;
2768                 lp->portid = clp->portid;
2769                 lp->fabric_dev = 1;
2770                 break;
2771         }
2772 #ifdef  ISP_TARGET_MODE
2773         case ISPASYNC_TARGET_MESSAGE:
2774         {
2775                 tmd_msg_t *mp = arg;
2776                 isp_prt(isp, ISP_LOGALL,
2777                     "bus %d iid %d tgt %d lun %d ttype %x tval %x msg[0]=%x",
2778                     mp->nt_bus, (int) mp->nt_iid, (int) mp->nt_tgt,
2779                     (int) mp->nt_lun, mp->nt_tagtype, mp->nt_tagval,
2780                     mp->nt_msg[0]);
2781                 break;
2782         }
2783         case ISPASYNC_TARGET_EVENT:
2784         {
2785                 tmd_event_t *ep = arg;
2786                 isp_prt(isp, ISP_LOGALL,
2787                     "bus %d event code 0x%x", ep->ev_bus, ep->ev_event);
2788                 break;
2789         }
2790         case ISPASYNC_TARGET_ACTION:
2791                 switch (((isphdr_t *)arg)->rqs_entry_type) {
2792                 default:
2793                         isp_prt(isp, ISP_LOGWARN,
2794                            "event 0x%x for unhandled target action",
2795                             ((isphdr_t *)arg)->rqs_entry_type);
2796                         break;
2797                 case RQSTYPE_NOTIFY:
2798                         if (IS_SCSI(isp)) {
2799                                 rv = isp_handle_platform_notify_scsi(isp,
2800                                     (in_entry_t *) arg);
2801                         } else {
2802                                 rv = isp_handle_platform_notify_fc(isp,
2803                                     (in_fcentry_t *) arg);
2804                         }
2805                         break;
2806                 case RQSTYPE_ATIO:
2807                         rv = isp_handle_platform_atio(isp, (at_entry_t *) arg);
2808                         break;
2809                 case RQSTYPE_ATIO2:
2810                         rv = isp_handle_platform_atio2(isp, (at2_entry_t *)arg);
2811                         break;
2812                 case RQSTYPE_CTIO2:
2813                 case RQSTYPE_CTIO:
2814                         rv = isp_handle_platform_ctio(isp, arg);
2815                         break;
2816                 case RQSTYPE_ENABLE_LUN:
2817                 case RQSTYPE_MODIFY_LUN:
2818                         if (IS_DUALBUS(isp)) {
2819                                 bus =
2820                                     GET_BUS_VAL(((lun_entry_t *)arg)->le_rsvd);
2821                         } else {
2822                                 bus = 0;
2823                         }
2824                         isp_cv_signal_rqe(isp, bus,
2825                             ((lun_entry_t *)arg)->le_status);
2826                         break;
2827                 }
2828                 break;
2829 #endif
2830         case ISPASYNC_FW_CRASH:
2831         {
2832                 u_int16_t mbox1, mbox6;
2833                 mbox1 = ISP_READ(isp, OUTMAILBOX1);
2834                 if (IS_DUALBUS(isp)) {
2835                         mbox6 = ISP_READ(isp, OUTMAILBOX6);
2836                 } else {
2837                         mbox6 = 0;
2838                 }
2839                 isp_prt(isp, ISP_LOGERR,
2840                     "Internal Firmware Error on bus %d @ RISC Address 0x%x",
2841                     mbox6, mbox1);
2842 #ifdef  ISP_FW_CRASH_DUMP
2843                 /*
2844                  * XXX: really need a thread to do this right.
2845                  */
2846                 if (IS_FC(isp)) {
2847                         FCPARAM(isp)->isp_fwstate = FW_CONFIG_WAIT;
2848                         FCPARAM(isp)->isp_loopstate = LOOP_NIL;
2849                         isp_freeze_loopdown(isp, "f/w crash");
2850                         isp_fw_dump(isp);
2851                 }
2852                 isp_reinit(isp);
2853                 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
2854 #endif
2855                 break;
2856         }
2857         case ISPASYNC_UNHANDLED_RESPONSE:
2858                 break;
2859         default:
2860                 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
2861                 break;
2862         }
2863         return (rv);
2864 }
2865
2866
2867 /*
2868  * Locks are held before coming here.
2869  */
2870 void
2871 isp_uninit(struct ispsoftc *isp)
2872 {
2873         ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
2874         DISABLE_INTS(isp);
2875 }
2876
2877 void
2878 isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...)
2879 {
2880         va_list ap;
2881         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
2882                 return;
2883         }
2884         printf("%s: ", device_get_nameunit(isp->isp_dev));
2885         va_start(ap, fmt);
2886         vprintf(fmt, ap);
2887         va_end(ap);
2888         printf("\n");
2889 }