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 1.8 2004/03/15 01:10:43 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         cam_simq_release(devq);         /* leaves 1 ref due to cam_sim_alloc */
 100         if (sim == NULL) {
 101                 CAMLOCK_2_ISPLOCK(isp);
 102                 return;
 103         }
 104         CAMLOCK_2_ISPLOCK(isp);
 105
 106         isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
 107         isp->isp_osinfo.ehook.ich_arg = isp;
 108         ISPLOCK_2_CAMLOCK(isp);
 109         if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
 110                 cam_sim_free(sim);
 111                 CAMLOCK_2_ISPLOCK(isp);
 112                 isp_prt(isp, ISP_LOGERR,
 113                     "could not establish interrupt enable hook");
 114                 return;
 115         }
 116
 117         if (xpt_bus_register(sim, primary) != CAM_SUCCESS) {
 118                 cam_sim_free(sim);
 119                 CAMLOCK_2_ISPLOCK(isp);
 120                 return;
 121         }
 122
 123         if (xpt_create_path(&path, NULL, cam_sim_path(sim),
 124             CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 125                 xpt_bus_deregister(cam_sim_path(sim));
 126                 cam_sim_free(sim);
 127                 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 128                 CAMLOCK_2_ISPLOCK(isp);
 129                 return;
 130         }
 131
 132         xpt_setup_ccb(&csa.ccb_h, path, 5);
 133         csa.ccb_h.func_code = XPT_SASYNC_CB;
 134         csa.event_enable = AC_LOST_DEVICE;
 135         csa.callback = isp_cam_async;
 136         csa.callback_arg = sim;
 137         xpt_action((union ccb *)&csa);
 138         CAMLOCK_2_ISPLOCK(isp);
 139         isp->isp_sim = sim;
 140         isp->isp_path = path;
 141         /*
 142          * Create a kernel thread for fibre channel instances. We
 143          * don't have dual channel FC cards.
 144          */
 145         if (IS_FC(isp)) {
 146                 ISPLOCK_2_CAMLOCK(isp);
 147                 if (kthread_create(isp_kthread, isp, &isp->isp_osinfo.kthread,
 148                     "%s: fc_thrd", device_get_nameunit(isp->isp_dev))) {
 149                         xpt_bus_deregister(cam_sim_path(sim));
 150                         cam_sim_free(sim);
 151                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 152                         CAMLOCK_2_ISPLOCK(isp);
 153                         isp_prt(isp, ISP_LOGERR, "could not create kthread");
 154                         return;
 155                 }
 156                 CAMLOCK_2_ISPLOCK(isp);
 157         }
 158
 159
 160         /*
 161          * If we have a second channel, construct SIM entry for that.
 162          */
 163         if (IS_DUALBUS(isp)) {
 164                 ISPLOCK_2_CAMLOCK(isp);
 165                 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
 166                     device_get_unit(isp->isp_dev), 1, isp->isp_maxcmds, devq);
 167                 if (sim == NULL) {
 168                         xpt_bus_deregister(cam_sim_path(isp->isp_sim));
 169                         xpt_free_path(isp->isp_path);
 170                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 171                         return;
 172                 }
 173                 if (xpt_bus_register(sim, secondary) != CAM_SUCCESS) {
 174                         xpt_bus_deregister(cam_sim_path(isp->isp_sim));
 175                         xpt_free_path(isp->isp_path);
 176                         cam_sim_free(sim);
 177                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 178                         CAMLOCK_2_ISPLOCK(isp);
 179                         return;
 180                 }
 181
 182                 if (xpt_create_path(&path, NULL, cam_sim_path(sim),
 183                     CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 184                         xpt_bus_deregister(cam_sim_path(isp->isp_sim));
 185                         xpt_free_path(isp->isp_path);
 186                         xpt_bus_deregister(cam_sim_path(sim));
 187                         cam_sim_free(sim);
 188                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 189                         CAMLOCK_2_ISPLOCK(isp);
 190                         return;
 191                 }
 192
 193                 xpt_setup_ccb(&csa.ccb_h, path, 5);
 194                 csa.ccb_h.func_code = XPT_SASYNC_CB;
 195                 csa.event_enable = AC_LOST_DEVICE;
 196                 csa.callback = isp_cam_async;
 197                 csa.callback_arg = sim;
 198                 xpt_action((union ccb *)&csa);
 199                 CAMLOCK_2_ISPLOCK(isp);
 200                 isp->isp_sim2 = sim;
 201                 isp->isp_path2 = path;
 202         }
 203         /*
 204          * Create device nodes
 205          */
 206         (void) make_dev(&isp_cdevsw, device_get_unit(isp->isp_dev), UID_ROOT,
 207             GID_OPERATOR, 0600, "%s", device_get_nameunit(isp->isp_dev));
 208
 209         if (isp->isp_role != ISP_ROLE_NONE) {
 210                 isp->isp_state = ISP_RUNSTATE;
 211         }
 212         if (isplist == NULL) {
 213                 isplist = isp;
 214         } else {
 215                 struct ispsoftc *tmp = isplist;
 216                 while (tmp->isp_osinfo.next) {
 217                         tmp = tmp->isp_osinfo.next;
 218                 }
 219                 tmp->isp_osinfo.next = isp;
 220         }
 221
 222 }
 223
 224 static INLINE void
 225 isp_freeze_loopdown(struct ispsoftc *isp, char *msg)
 226 {
 227         if (isp->isp_osinfo.simqfrozen == 0) {
 228                 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown)", msg);
 229                 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
 230                 ISPLOCK_2_CAMLOCK(isp);
 231                 xpt_freeze_simq(isp->isp_sim, 1);
 232                 CAMLOCK_2_ISPLOCK(isp);
 233         } else {
 234                 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown)", msg);
 235                 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
 236         }
 237 }
 238
 239 static int
 240 ispioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, d_thread_t *td)
 241 {
 242         struct ispsoftc *isp;
 243         int retval = ENOTTY;
 244
 245         isp = isplist;
 246         while (isp) {
 247                 if (minor(dev) == device_get_unit(isp->isp_dev)) {
 248                         break;
 249                 }
 250                 isp = isp->isp_osinfo.next;
 251         }
 252         if (isp == NULL)
 253                 return (ENXIO);
 254
 255         switch (cmd) {
 256 #ifdef  ISP_FW_CRASH_DUMP
 257         case ISP_GET_FW_CRASH_DUMP:
 258         {
 259                 u_int16_t *ptr = FCPARAM(isp)->isp_dump_data;
 260                 size_t sz;
 261
 262                 retval = 0;
 263                 if (IS_2200(isp))
 264                         sz = QLA2200_RISC_IMAGE_DUMP_SIZE;
 265                 else
 266                         sz = QLA2300_RISC_IMAGE_DUMP_SIZE;
 267                 ISP_LOCK(isp);
 268                 if (ptr && *ptr) {
 269                         void *uaddr = *((void **) addr);
 270                         if (copyout(ptr, uaddr, sz)) {
 271                                 retval = EFAULT;
 272                         } else {
 273                                 *ptr = 0;
 274                         }
 275                 } else {
 276                         retval = ENXIO;
 277                 }
 278                 ISP_UNLOCK(isp);
 279                 break;
 280         }
 281
 282         case ISP_FORCE_CRASH_DUMP:
 283                 ISP_LOCK(isp);
 284                 isp_freeze_loopdown(isp, "ispioctl(ISP_FORCE_CRASH_DUMP)");
 285                 isp_fw_dump(isp);
 286                 isp_reinit(isp);
 287                 ISP_UNLOCK(isp);
 288                 retval = 0;
 289                 break;
 290 #endif
 291         case ISP_SDBLEV:
 292         {
 293                 int olddblev = isp->isp_dblev;
 294                 isp->isp_dblev = *(int *)addr;
 295                 *(int *)addr = olddblev;
 296                 retval = 0;
 297                 break;
 298         }
 299         case ISP_RESETHBA:
 300                 ISP_LOCK(isp);
 301                 isp_reinit(isp);
 302                 ISP_UNLOCK(isp);
 303                 retval = 0;
 304                 break;
 305         case ISP_RESCAN:
 306                 if (IS_FC(isp)) {
 307                         ISP_LOCK(isp);
 308                         if (isp_fc_runstate(isp, 5 * 1000000)) {
 309                                 retval = EIO;
 310                         } else {
 311                                 retval = 0;
 312                         }
 313                         ISP_UNLOCK(isp);
 314                 }
 315                 break;
 316         case ISP_FC_LIP:
 317                 if (IS_FC(isp)) {
 318                         ISP_LOCK(isp);
 319                         if (isp_control(isp, ISPCTL_SEND_LIP, 0)) {
 320                                 retval = EIO;
 321                         } else {
 322                                 retval = 0;
 323                         }
 324                         ISP_UNLOCK(isp);
 325                 }
 326                 break;
 327         case ISP_FC_GETDINFO:
 328         {
 329                 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
 330                 struct lportdb *lp;
 331
 332                 if (ifc->loopid < 0 || ifc->loopid >= MAX_FC_TARG) {
 333                         retval = EINVAL;
 334                         break;
 335                 }
 336                 ISP_LOCK(isp);
 337                 lp = &FCPARAM(isp)->portdb[ifc->loopid];
 338                 if (lp->valid) {
 339                         ifc->loopid = lp->loopid;
 340                         ifc->portid = lp->portid;
 341                         ifc->node_wwn = lp->node_wwn;
 342                         ifc->port_wwn = lp->port_wwn;
 343                         retval = 0;
 344                 } else {
 345                         retval = ENODEV;
 346                 }
 347                 ISP_UNLOCK(isp);
 348                 break;
 349         }
 350         case ISP_GET_STATS:
 351         {
 352                 isp_stats_t *sp = (isp_stats_t *) addr;
 353
 354                 MEMZERO(sp, sizeof (*sp));
 355                 sp->isp_stat_version = ISP_STATS_VERSION;
 356                 sp->isp_type = isp->isp_type;
 357                 sp->isp_revision = isp->isp_revision;
 358                 ISP_LOCK(isp);
 359                 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
 360                 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
 361                 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
 362                 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
 363                 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
 364                 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
 365                 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
 366                 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
 367                 ISP_UNLOCK(isp);
 368                 retval = 0;
 369                 break;
 370         }
 371         case ISP_CLR_STATS:
 372                 ISP_LOCK(isp);
 373                 isp->isp_intcnt = 0;
 374                 isp->isp_intbogus = 0;
 375                 isp->isp_intmboxc = 0;
 376                 isp->isp_intoasync = 0;
 377                 isp->isp_rsltccmplt = 0;
 378                 isp->isp_fphccmplt = 0;
 379                 isp->isp_rscchiwater = 0;
 380                 isp->isp_fpcchiwater = 0;
 381                 ISP_UNLOCK(isp);
 382                 retval = 0;
 383                 break;
 384         case ISP_FC_GETHINFO:
 385         {
 386                 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
 387                 MEMZERO(hba, sizeof (*hba));
 388                 ISP_LOCK(isp);
 389                 hba->fc_speed = FCPARAM(isp)->isp_gbspeed;
 390                 hba->fc_scsi_supported = 1;
 391                 hba->fc_topology = FCPARAM(isp)->isp_topo + 1;
 392                 hba->fc_loopid = FCPARAM(isp)->isp_loopid;
 393                 hba->active_node_wwn = FCPARAM(isp)->isp_nodewwn;
 394                 hba->active_port_wwn = FCPARAM(isp)->isp_portwwn;
 395                 ISP_UNLOCK(isp);
 396                 retval = 0;
 397                 break;
 398         }
 399         case ISP_GET_FC_PARAM:
 400         {
 401                 struct isp_fc_param *f = (struct isp_fc_param *) addr;
 402
 403                 if (!IS_FC(isp)) {
 404                         retval = EINVAL;
 405                         break;
 406                 }
 407                 f->parameter = 0;
 408                 if (strcmp(f->param_name, "framelength") == 0) {
 409                         f->parameter = FCPARAM(isp)->isp_maxfrmlen;
 410                         retval = 0;
 411                         break;
 412                 }
 413                 if (strcmp(f->param_name, "exec_throttle") == 0) {
 414                         f->parameter = FCPARAM(isp)->isp_execthrottle;
 415                         retval = 0;
 416                         break;
 417                 }
 418                 if (strcmp(f->param_name, "fullduplex") == 0) {
 419                         if (FCPARAM(isp)->isp_fwoptions & ICBOPT_FULL_DUPLEX)
 420                                 f->parameter = 1;
 421                         retval = 0;
 422                         break;
 423                 }
 424                 if (strcmp(f->param_name, "loopid") == 0) {
 425                         f->parameter = FCPARAM(isp)->isp_loopid;
 426                         retval = 0;
 427                         break;
 428                 }
 429                 retval = EINVAL;
 430                 break;
 431         }
 432         case ISP_SET_FC_PARAM:
 433         {
 434                 struct isp_fc_param *f = (struct isp_fc_param *) addr;
 435                 u_int32_t param = f->parameter;
 436
 437                 if (!IS_FC(isp)) {
 438                         retval = EINVAL;
 439                         break;
 440                 }
 441                 f->parameter = 0;
 442                 if (strcmp(f->param_name, "framelength") == 0) {
 443                         if (param != 512 && param != 1024 && param != 1024) {
 444                                 retval = EINVAL;
 445                                 break;
 446                         }
 447                         FCPARAM(isp)->isp_maxfrmlen = param;
 448                         retval = 0;
 449                         break;
 450                 }
 451                 if (strcmp(f->param_name, "exec_throttle") == 0) {
 452                         if (param < 16 || param > 255) {
 453                                 retval = EINVAL;
 454                                 break;
 455                         }
 456                         FCPARAM(isp)->isp_execthrottle = param;
 457                         retval = 0;
 458                         break;
 459                 }
 460                 if (strcmp(f->param_name, "fullduplex") == 0) {
 461                         if (param != 0 && param != 1) {
 462                                 retval = EINVAL;
 463                                 break;
 464                         }
 465                         if (param) {
 466                                 FCPARAM(isp)->isp_fwoptions |=
 467                                     ICBOPT_FULL_DUPLEX;
 468                         } else {
 469                                 FCPARAM(isp)->isp_fwoptions &=
 470                                     ~ICBOPT_FULL_DUPLEX;
 471                         }
 472                         retval = 0;
 473                         break;
 474                 }
 475                 if (strcmp(f->param_name, "loopid") == 0) {
 476                         if (param < 0 || param > 125) {
 477                                 retval = EINVAL;
 478                                 break;
 479                         }
 480                         FCPARAM(isp)->isp_loopid = param;
 481                         retval = 0;
 482                         break;
 483                 }
 484                 retval = EINVAL;
 485                 break;
 486         }
 487         default:
 488                 break;
 489         }
 490         return (retval);
 491 }
 492
 493 static void
 494 isp_intr_enable(void *arg)
 495 {
 496         struct ispsoftc *isp = arg;
 497         if (isp->isp_role != ISP_ROLE_NONE) {
 498                 ENABLE_INTS(isp);
 499         }
 500         /* Release our hook so that the boot can continue. */
 501         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 502 }
 503
 504 /*
 505  * Put the target mode functions here, because some are inlines
 506  */
 507
 508 #ifdef  ISP_TARGET_MODE
 509
 510 static INLINE int is_lun_enabled(struct ispsoftc *, int, lun_id_t);
 511 static INLINE int are_any_luns_enabled(struct ispsoftc *, int);
 512 static INLINE tstate_t *get_lun_statep(struct ispsoftc *, int, lun_id_t);
 513 static INLINE void rls_lun_statep(struct ispsoftc *, tstate_t *);
 514 static INLINE int isp_psema_sig_rqe(struct ispsoftc *, int);
 515 static INLINE int isp_cv_wait_timed_rqe(struct ispsoftc *, int, int);
 516 static INLINE void isp_cv_signal_rqe(struct ispsoftc *, int, int);
 517 static INLINE void isp_vsema_rqe(struct ispsoftc *, int);
 518 static INLINE atio_private_data_t *isp_get_atpd(struct ispsoftc *, int);
 519 static cam_status
 520 create_lun_state(struct ispsoftc *, int, struct cam_path *, tstate_t **);
 521 static void destroy_lun_state(struct ispsoftc *, tstate_t *);
 522 static void isp_en_lun(struct ispsoftc *, union ccb *);
 523 static cam_status isp_abort_tgt_ccb(struct ispsoftc *, union ccb *);
 524 static timeout_t isp_refire_putback_atio;
 525 static void isp_complete_ctio(union ccb *);
 526 static void isp_target_putback_atio(union ccb *);
 527 static cam_status isp_target_start_ctio(struct ispsoftc *, union ccb *);
 528 static int isp_handle_platform_atio(struct ispsoftc *, at_entry_t *);
 529 static int isp_handle_platform_atio2(struct ispsoftc *, at2_entry_t *);
 530 static int isp_handle_platform_ctio(struct ispsoftc *, void *);
 531 static int isp_handle_platform_notify_scsi(struct ispsoftc *, in_entry_t *);
 532 static int isp_handle_platform_notify_fc(struct ispsoftc *, in_fcentry_t *);
 533
 534 static INLINE int
 535 is_lun_enabled(struct ispsoftc *isp, int bus, lun_id_t lun)
 536 {
 537         tstate_t *tptr;
 538         tptr = isp->isp_osinfo.lun_hash[LUN_HASH_FUNC(isp, bus, lun)];
 539         if (tptr == NULL) {
 540                 return (0);
 541         }
 542         do {
 543                 if (tptr->lun == (lun_id_t) lun && tptr->bus == bus) {
 544                         return (1);
 545                 }
 546         } while ((tptr = tptr->next) != NULL);
 547         return (0);
 548 }
 549
 550 static INLINE int
 551 are_any_luns_enabled(struct ispsoftc *isp, int port)
 552 {
 553         int lo, hi;
 554         if (IS_DUALBUS(isp)) {
 555                 lo = (port * (LUN_HASH_SIZE >> 1));
 556                 hi = lo + (LUN_HASH_SIZE >> 1);
 557         } else {
 558                 lo = 0;
 559                 hi = LUN_HASH_SIZE;
 560         }
 561         for (lo = 0; lo < hi; lo++) {
 562                 if (isp->isp_osinfo.lun_hash[lo]) {
 563                         return (1);
 564                 }
 565         }
 566         return (0);
 567 }
 568
 569 static INLINE tstate_t *
 570 get_lun_statep(struct ispsoftc *isp, int bus, lun_id_t lun)
 571 {
 572         tstate_t *tptr = NULL;
 573
 574         if (lun == CAM_LUN_WILDCARD) {
 575                 if (isp->isp_osinfo.tmflags[bus] & TM_WILDCARD_ENABLED) {
 576                         tptr = &isp->isp_osinfo.tsdflt[bus];
 577                         tptr->hold++;
 578                         return (tptr);
 579                 }
 580         } else {
 581                 tptr = isp->isp_osinfo.lun_hash[LUN_HASH_FUNC(isp, bus, lun)];
 582                 if (tptr == NULL) {
 583                         return (NULL);
 584                 }
 585         }
 586
 587         do {
 588                 if (tptr->lun == lun && tptr->bus == bus) {
 589                         tptr->hold++;
 590                         return (tptr);
 591                 }
 592         } while ((tptr = tptr->next) != NULL);
 593         return (tptr);
 594 }
 595
 596 static __inline void
 597 rls_lun_statep(struct ispsoftc *isp, tstate_t *tptr)
 598 {
 599         if (tptr->hold)
 600                 tptr->hold--;
 601 }
 602
 603 static __inline int
 604 isp_psema_sig_rqe(struct ispsoftc *isp, int bus)
 605 {
 606         while (isp->isp_osinfo.tmflags[bus] & TM_BUSY) {
 607                 isp->isp_osinfo.tmflags[bus] |= TM_WANTED;
 608                 if (tsleep(&isp->isp_osinfo.tmflags[bus], PCATCH, "i0", 0)) {
 609                         return (-1);
 610                 }
 611                 isp->isp_osinfo.tmflags[bus] |= TM_BUSY;
 612         }
 613         return (0);
 614 }
 615
 616 static __inline int
 617 isp_cv_wait_timed_rqe(struct ispsoftc *isp, int bus, int timo)
 618 {
 619         if (tsleep(&isp->isp_osinfo.rstatus[bus], 0, "qt1", timo)) {
 620                 return (-1);
 621         }
 622         return (0);
 623 }
 624
 625 static __inline void
 626 isp_cv_signal_rqe(struct ispsoftc *isp, int bus, int status)
 627 {
 628         isp->isp_osinfo.rstatus[bus] = status;
 629         wakeup(&isp->isp_osinfo.rstatus[bus]);
 630 }
 631
 632 static __inline void
 633 isp_vsema_rqe(struct ispsoftc *isp, int bus)
 634 {
 635         if (isp->isp_osinfo.tmflags[bus] & TM_WANTED) {
 636                 isp->isp_osinfo.tmflags[bus] &= ~TM_WANTED;
 637                 wakeup(&isp->isp_osinfo.tmflags[bus]);
 638         }
 639         isp->isp_osinfo.tmflags[bus] &= ~TM_BUSY;
 640 }
 641
 642 static __inline atio_private_data_t *
 643 isp_get_atpd(struct ispsoftc *isp, int tag)
 644 {
 645         atio_private_data_t *atp;
 646         for (atp = isp->isp_osinfo.atpdp;
 647             atp < &isp->isp_osinfo.atpdp[ATPDPSIZE]; atp++) {
 648                 if (atp->tag == tag)
 649                         return (atp);
 650         }
 651         return (NULL);
 652 }
 653
 654 static cam_status
 655 create_lun_state(struct ispsoftc *isp, int bus,
 656     struct cam_path *path, tstate_t **rslt)
 657 {
 658         cam_status status;
 659         lun_id_t lun;
 660         int hfx;
 661         tstate_t *tptr, *new;
 662
 663         lun = xpt_path_lun_id(path);
 664         if (lun < 0) {
 665                 return (CAM_LUN_INVALID);
 666         }
 667         if (is_lun_enabled(isp, bus, lun)) {
 668                 return (CAM_LUN_ALRDY_ENA);
 669         }
 670         new = malloc(sizeof (tstate_t), M_DEVBUF, M_WAITOK | M_ZERO);
 671         status = xpt_create_path(&new->owner, NULL, xpt_path_path_id(path),
 672             xpt_path_target_id(path), xpt_path_lun_id(path));
 673         if (status != CAM_REQ_CMP) {
 674                 free(new, M_DEVBUF);
 675                 return (status);
 676         }
 677         new->bus = bus;
 678         new->lun = lun;
 679         SLIST_INIT(&new->atios);
 680         SLIST_INIT(&new->inots);
 681         new->hold = 1;
 682
 683         hfx = LUN_HASH_FUNC(isp, new->bus, new->lun);
 684         tptr = isp->isp_osinfo.lun_hash[hfx];
 685         if (tptr == NULL) {
 686                 isp->isp_osinfo.lun_hash[hfx] = new;
 687         } else {
 688                 while (tptr->next)
 689                         tptr = tptr->next;
 690                 tptr->next = new;
 691         }
 692         *rslt = new;
 693         return (CAM_REQ_CMP);
 694 }
 695
 696 static INLINE void
 697 destroy_lun_state(struct ispsoftc *isp, tstate_t *tptr)
 698 {
 699         int hfx;
 700         tstate_t *lw, *pw;
 701
 702         hfx = LUN_HASH_FUNC(isp, tptr->bus, tptr->lun);
 703         if (tptr->hold) {
 704                 return;
 705         }
 706         pw = isp->isp_osinfo.lun_hash[hfx];
 707         if (pw == NULL) {
 708                 return;
 709         } else if (pw->lun == tptr->lun && pw->bus == tptr->bus) {
 710                 isp->isp_osinfo.lun_hash[hfx] = pw->next;
 711         } else {
 712                 lw = pw;
 713                 pw = lw->next;
 714                 while (pw) {
 715                         if (pw->lun == tptr->lun && pw->bus == tptr->bus) {
 716                                 lw->next = pw->next;
 717                                 break;
 718                         }
 719                         lw = pw;
 720                         pw = pw->next;
 721                 }
 722                 if (pw == NULL) {
 723                         return;
 724                 }
 725         }
 726         free(tptr, M_DEVBUF);
 727 }
 728
 729 /*
 730  * we enter with our locks held.
 731  */
 732 static void
 733 isp_en_lun(struct ispsoftc *isp, union ccb *ccb)
 734 {
 735         const char lfmt[] = "Lun now %sabled for target mode on channel %d";
 736         struct ccb_en_lun *cel = &ccb->cel;
 737         tstate_t *tptr;
 738         u_int16_t rstat;
 739         int bus, cmd, av, wildcard;
 740         lun_id_t lun;
 741         target_id_t tgt;
 742
 743
 744         bus = XS_CHANNEL(ccb) & 0x1;
 745         tgt = ccb->ccb_h.target_id;
 746         lun = ccb->ccb_h.target_lun;
 747
 748         /*
 749          * Do some sanity checking first.
 750          */
 751
 752         if ((lun != CAM_LUN_WILDCARD) &&
 753             (lun < 0 || lun >= (lun_id_t) isp->isp_maxluns)) {
 754                 ccb->ccb_h.status = CAM_LUN_INVALID;
 755                 return;
 756         }
 757
 758         if (IS_SCSI(isp)) {
 759                 sdparam *sdp = isp->isp_param;
 760                 sdp += bus;
 761                 if (tgt != CAM_TARGET_WILDCARD &&
 762                     tgt != sdp->isp_initiator_id) {
 763                         ccb->ccb_h.status = CAM_TID_INVALID;
 764                         return;
 765                 }
 766         } else {
 767                 if (tgt != CAM_TARGET_WILDCARD &&
 768                     tgt != FCPARAM(isp)->isp_iid) {
 769                         ccb->ccb_h.status = CAM_TID_INVALID;
 770                         return;
 771                 }
 772                 /*
 773                  * This is as a good a place as any to check f/w capabilities.
 774                  */
 775                 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_TMODE) == 0) {
 776                         isp_prt(isp, ISP_LOGERR,
 777                             "firmware does not support target mode");
 778                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 779                         return;
 780                 }
 781                 /*
 782                  * XXX: We *could* handle non-SCCLUN f/w, but we'd have to
 783                  * XXX: dorks with our already fragile enable/disable code.
 784                  */
 785                 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) == 0) {
 786                         isp_prt(isp, ISP_LOGERR,
 787                             "firmware not SCCLUN capable");
 788                 }
 789         }
 790
 791         if (tgt == CAM_TARGET_WILDCARD) {
 792                 if (lun == CAM_LUN_WILDCARD) {
 793                         wildcard = 1;
 794                 } else {
 795                         ccb->ccb_h.status = CAM_LUN_INVALID;
 796                         return;
 797                 }
 798         } else {
 799                 wildcard = 0;
 800         }
 801
 802         /*
 803          * Next check to see whether this is a target/lun wildcard action.
 804          *
 805          * If so, we know that we can accept commands for luns that haven't
 806          * been enabled yet and send them upstream. Otherwise, we have to
 807          * handle them locally (if we see them at all).
 808          */
 809
 810         if (wildcard) {
 811                 tptr = &isp->isp_osinfo.tsdflt[bus];
 812                 if (cel->enable) {
 813                         if (isp->isp_osinfo.tmflags[bus] &
 814                             TM_WILDCARD_ENABLED) {
 815                                 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
 816                                 return;
 817                         }
 818                         ccb->ccb_h.status =
 819                             xpt_create_path(&tptr->owner, NULL,
 820                             xpt_path_path_id(ccb->ccb_h.path),
 821                             xpt_path_target_id(ccb->ccb_h.path),
 822                             xpt_path_lun_id(ccb->ccb_h.path));
 823                         if (ccb->ccb_h.status != CAM_REQ_CMP) {
 824                                 return;
 825                         }
 826                         SLIST_INIT(&tptr->atios);
 827                         SLIST_INIT(&tptr->inots);
 828                         isp->isp_osinfo.tmflags[bus] |= TM_WILDCARD_ENABLED;
 829                 } else {
 830                         if ((isp->isp_osinfo.tmflags[bus] &
 831                             TM_WILDCARD_ENABLED) == 0) {
 832                                 ccb->ccb_h.status = CAM_REQ_CMP;
 833                                 return;
 834                         }
 835                         if (tptr->hold) {
 836                                 ccb->ccb_h.status = CAM_SCSI_BUSY;
 837                                 return;
 838                         }
 839                         xpt_free_path(tptr->owner);
 840                         isp->isp_osinfo.tmflags[bus] &= ~TM_WILDCARD_ENABLED;
 841                 }
 842         }
 843
 844         /*
 845          * Now check to see whether this bus needs to be
 846          * enabled/disabled with respect to target mode.
 847          */
 848         av = bus << 31;
 849         if (cel->enable && !(isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED)) {
 850                 av |= ENABLE_TARGET_FLAG;
 851                 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
 852                 if (av) {
 853                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 854                         if (wildcard) {
 855                                 isp->isp_osinfo.tmflags[bus] &=
 856                                     ~TM_WILDCARD_ENABLED;
 857                                 xpt_free_path(tptr->owner);
 858                         }
 859                         return;
 860                 }
 861                 isp->isp_osinfo.tmflags[bus] |= TM_TMODE_ENABLED;
 862                 isp_prt(isp, ISP_LOGINFO,
 863                     "Target Mode enabled on channel %d", bus);
 864         } else if (cel->enable == 0 &&
 865             (isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED) && wildcard) {
 866                 if (are_any_luns_enabled(isp, bus)) {
 867                         ccb->ccb_h.status = CAM_SCSI_BUSY;
 868                         return;
 869                 }
 870                 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
 871                 if (av) {
 872                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 873                         return;
 874                 }
 875                 isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED;
 876                 isp_prt(isp, ISP_LOGINFO,
 877                     "Target Mode disabled on channel %d", bus);
 878         }
 879
 880         if (wildcard) {
 881                 ccb->ccb_h.status = CAM_REQ_CMP;
 882                 return;
 883         }
 884
 885         if (cel->enable) {
 886                 ccb->ccb_h.status =
 887                     create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
 888                 if (ccb->ccb_h.status != CAM_REQ_CMP) {
 889                         return;
 890                 }
 891         } else {
 892                 tptr = get_lun_statep(isp, bus, lun);
 893                 if (tptr == NULL) {
 894                         ccb->ccb_h.status = CAM_LUN_INVALID;
 895                         return;
 896                 }
 897         }
 898
 899         if (isp_psema_sig_rqe(isp, bus)) {
 900                 rls_lun_statep(isp, tptr);
 901                 if (cel->enable)
 902                         destroy_lun_state(isp, tptr);
 903                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 904                 return;
 905         }
 906
 907         if (cel->enable) {
 908                 u_int32_t seq = isp->isp_osinfo.rollinfo++;
 909                 int c, n, ulun = lun;
 910
 911                 cmd = RQSTYPE_ENABLE_LUN;
 912                 c = DFLT_CMND_CNT;
 913                 n = DFLT_INOT_CNT;
 914                 if (IS_FC(isp) && lun != 0) {
 915                         cmd = RQSTYPE_MODIFY_LUN;
 916                         n = 0;
 917                         /*
 918                          * For SCC firmware, we only deal with setting
 919                          * (enabling or modifying) lun 0.
 920                          */
 921                         ulun = 0;
 922                 }
 923                 rstat = LUN_ERR;
 924                 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq)) {
 925                         xpt_print_path(ccb->ccb_h.path);
 926                         isp_prt(isp, ISP_LOGWARN, "isp_lun_cmd failed");
 927                         goto out;
 928                 }
 929                 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) {
 930                         xpt_print_path(ccb->ccb_h.path);
 931                         isp_prt(isp, ISP_LOGERR,
 932                             "wait for ENABLE/MODIFY LUN timed out");
 933                         goto out;
 934                 }
 935                 rstat = isp->isp_osinfo.rstatus[bus];
 936                 if (rstat != LUN_OK) {
 937                         xpt_print_path(ccb->ccb_h.path);
 938                         isp_prt(isp, ISP_LOGERR,
 939                             "ENABLE/MODIFY LUN returned 0x%x", rstat);
 940                         goto out;
 941                 }
 942         } else {
 943                 int c, n, ulun = lun;
 944                 u_int32_t seq;
 945
 946                 rstat = LUN_ERR;
 947                 seq = isp->isp_osinfo.rollinfo++;
 948                 cmd = -RQSTYPE_MODIFY_LUN;
 949
 950                 c = DFLT_CMND_CNT;
 951                 n = DFLT_INOT_CNT;
 952                 if (IS_FC(isp) && lun != 0) {
 953                         n = 0;
 954                         /*
 955                          * For SCC firmware, we only deal with setting
 956                          * (enabling or modifying) lun 0.
 957                          */
 958                         ulun = 0;
 959                 }
 960                 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq)) {
 961                         xpt_print_path(ccb->ccb_h.path);
 962                         isp_prt(isp, ISP_LOGERR, "isp_lun_cmd failed");
 963                         goto out;
 964                 }
 965                 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) {
 966                         xpt_print_path(ccb->ccb_h.path);
 967                         isp_prt(isp, ISP_LOGERR,
 968                             "wait for MODIFY LUN timed out");
 969                         goto out;
 970                 }
 971                 rstat = isp->isp_osinfo.rstatus[bus];
 972                 if (rstat != LUN_OK) {
 973                         xpt_print_path(ccb->ccb_h.path);
 974                         isp_prt(isp, ISP_LOGERR,
 975                             "MODIFY LUN returned 0x%x", rstat);
 976                         goto out;
 977                 }
 978                 if (IS_FC(isp) && lun) {
 979                         goto out;
 980                 }
 981
 982                 seq = isp->isp_osinfo.rollinfo++;
 983
 984                 rstat = LUN_ERR;
 985                 cmd = -RQSTYPE_ENABLE_LUN;
 986                 if (isp_lun_cmd(isp, cmd, bus, tgt, lun, 0, 0, seq)) {
 987                         xpt_print_path(ccb->ccb_h.path);
 988                         isp_prt(isp, ISP_LOGERR, "isp_lun_cmd failed");
 989                         goto out;
 990                 }
 991                 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) {
 992                         xpt_print_path(ccb->ccb_h.path);
 993                         isp_prt(isp, ISP_LOGERR,
 994                              "wait for DISABLE LUN timed out");
 995                         goto out;
 996                 }
 997                 rstat = isp->isp_osinfo.rstatus[bus];
 998                 if (rstat != LUN_OK) {
 999                         xpt_print_path(ccb->ccb_h.path);
1000                         isp_prt(isp, ISP_LOGWARN,
1001                             "DISABLE LUN returned 0x%x", rstat);
1002                         goto out;
1003                 }
1004                 if (are_any_luns_enabled(isp, bus) == 0) {
1005                         av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
1006                         if (av) {
1007                                 isp_prt(isp, ISP_LOGWARN,
1008                                     "disable target mode on channel %d failed",
1009                                     bus);
1010                                 goto out;
1011                         }
1012                         isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED;
1013                         xpt_print_path(ccb->ccb_h.path);
1014                         isp_prt(isp, ISP_LOGINFO,
1015                             "Target Mode disabled on channel %d", bus);
1016                 }
1017         }
1018
1019 out:
1020         isp_vsema_rqe(isp, bus);
1021
1022         if (rstat != LUN_OK) {
1023                 xpt_print_path(ccb->ccb_h.path);
1024                 isp_prt(isp, ISP_LOGWARN,
1025                     "lun %sable failed", (cel->enable) ? "en" : "dis");
1026                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1027                 rls_lun_statep(isp, tptr);
1028                 if (cel->enable)
1029                         destroy_lun_state(isp, tptr);
1030         } else {
1031                 xpt_print_path(ccb->ccb_h.path);
1032                 isp_prt(isp, ISP_LOGINFO, lfmt,
1033                     (cel->enable) ? "en" : "dis", bus);
1034                 rls_lun_statep(isp, tptr);
1035                 if (cel->enable == 0) {
1036                         destroy_lun_state(isp, tptr);
1037                 }
1038                 ccb->ccb_h.status = CAM_REQ_CMP;
1039         }
1040 }
1041
1042 static cam_status
1043 isp_abort_tgt_ccb(struct ispsoftc *isp, union ccb *ccb)
1044 {
1045         tstate_t *tptr;
1046         struct ccb_hdr_slist *lp;
1047         struct ccb_hdr *curelm;
1048         int found;
1049         union ccb *accb = ccb->cab.abort_ccb;
1050
1051         if (accb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
1052                 if (IS_FC(isp) && (accb->ccb_h.target_id !=
1053                     ((fcparam *) isp->isp_param)->isp_loopid)) {
1054                         return (CAM_PATH_INVALID);
1055                 } else if (IS_SCSI(isp) && (accb->ccb_h.target_id !=
1056                     ((sdparam *) isp->isp_param)->isp_initiator_id)) {
1057                         return (CAM_PATH_INVALID);
1058                 }
1059         }
1060         tptr = get_lun_statep(isp, XS_CHANNEL(ccb), accb->ccb_h.target_lun);
1061         if (tptr == NULL) {
1062                 return (CAM_PATH_INVALID);
1063         }
1064         if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
1065                 lp = &tptr->atios;
1066         } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
1067                 lp = &tptr->inots;
1068         } else {
1069                 rls_lun_statep(isp, tptr);
1070                 return (CAM_UA_ABORT);
1071         }
1072         curelm = SLIST_FIRST(lp);
1073         found = 0;
1074         if (curelm == &accb->ccb_h) {
1075                 found = 1;
1076                 SLIST_REMOVE_HEAD(lp, sim_links.sle);
1077         } else {
1078                 while(curelm != NULL) {
1079                         struct ccb_hdr *nextelm;
1080
1081                         nextelm = SLIST_NEXT(curelm, sim_links.sle);
1082                         if (nextelm == &accb->ccb_h) {
1083                                 found = 1;
1084                                 SLIST_NEXT(curelm, sim_links.sle) =
1085                                     SLIST_NEXT(nextelm, sim_links.sle);
1086                                 break;
1087                         }
1088                         curelm = nextelm;
1089                 }
1090         }
1091         rls_lun_statep(isp, tptr);
1092         if (found) {
1093                 accb->ccb_h.status = CAM_REQ_ABORTED;
1094                 return (CAM_REQ_CMP);
1095         }
1096         return(CAM_PATH_INVALID);
1097 }
1098
1099 static cam_status
1100 isp_target_start_ctio(struct ispsoftc *isp, union ccb *ccb)
1101 {
1102         void *qe;
1103         struct ccb_scsiio *cso = &ccb->csio;
1104         u_int16_t *hp, save_handle;
1105         u_int16_t nxti, optr;
1106         u_int8_t local[QENTRY_LEN];
1107
1108
1109         if (isp_getrqentry(isp, &nxti, &optr, &qe)) {
1110                 xpt_print_path(ccb->ccb_h.path);
1111                 printf("Request Queue Overflow in isp_target_start_ctio\n");
1112                 return (CAM_RESRC_UNAVAIL);
1113         }
1114         bzero(local, QENTRY_LEN);
1115
1116         /*
1117          * We're either moving data or completing a command here.
1118          */
1119
1120         if (IS_FC(isp)) {
1121                 atio_private_data_t *atp;
1122                 ct2_entry_t *cto = (ct2_entry_t *) local;
1123
1124                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1125                 cto->ct_header.rqs_entry_count = 1;
1126                 cto->ct_iid = cso->init_id;
1127                 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) == 0) {
1128                         cto->ct_lun = ccb->ccb_h.target_lun;
1129                 }
1130
1131                 atp = isp_get_atpd(isp, cso->tag_id);
1132                 if (atp == NULL) {
1133                         isp_prt(isp, ISP_LOGERR,
1134                             "cannot find private data adjunct for tag %x",
1135                             cso->tag_id);
1136                         return (-1);
1137                 }
1138
1139                 cto->ct_rxid = cso->tag_id;
1140                 if (cso->dxfer_len == 0) {
1141                         cto->ct_flags |= CT2_FLAG_MODE1 | CT2_NO_DATA;
1142                         if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1143                                 cto->ct_flags |= CT2_SENDSTATUS;
1144                                 cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1145                                 cto->ct_resid =
1146                                     atp->orig_datalen - atp->bytes_xfered;
1147                                 if (cto->ct_resid < 0) {
1148                                         cto->rsp.m1.ct_scsi_status |=
1149                                             CT2_DATA_OVER;
1150                                 } else if (cto->ct_resid > 0) {
1151                                         cto->rsp.m1.ct_scsi_status |=
1152                                             CT2_DATA_UNDER;
1153                                 }
1154                         }
1155                         if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) {
1156                                 int m = min(cso->sense_len, MAXRESPLEN);
1157                                 bcopy(&cso->sense_data, cto->rsp.m1.ct_resp, m);
1158                                 cto->rsp.m1.ct_senselen = m;
1159                                 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1160                         }
1161                 } else {
1162                         cto->ct_flags |= CT2_FLAG_MODE0;
1163                         if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1164                                 cto->ct_flags |= CT2_DATA_IN;
1165                         } else {
1166                                 cto->ct_flags |= CT2_DATA_OUT;
1167                         }
1168                         cto->ct_reloff = atp->bytes_xfered;
1169                         if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
1170                                 cto->ct_flags |= CT2_SENDSTATUS;
1171                                 cto->rsp.m0.ct_scsi_status = cso->scsi_status;
1172                                 cto->ct_resid =
1173                                     atp->orig_datalen -
1174                                     (atp->bytes_xfered + cso->dxfer_len);
1175                                 if (cto->ct_resid < 0) {
1176                                         cto->rsp.m0.ct_scsi_status |=
1177                                             CT2_DATA_OVER;
1178                                 } else if (cto->ct_resid > 0) {
1179                                         cto->rsp.m0.ct_scsi_status |=
1180                                             CT2_DATA_UNDER;
1181                                 }
1182                         } else {
1183                                 atp->last_xframt = cso->dxfer_len;
1184                         }
1185                         /*
1186                          * If we're sending data and status back together,
1187                          * we can't also send back sense data as well.
1188                          */
1189                         ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1190                 }
1191
1192                 if (cto->ct_flags & CT2_SENDSTATUS) {
1193                         isp_prt(isp, ISP_LOGTDEBUG0,
1194                             "CTIO2[%x] STATUS %x origd %u curd %u resid %u",
1195                             cto->ct_rxid, cso->scsi_status, atp->orig_datalen,
1196                             cso->dxfer_len, cto->ct_resid);
1197                         cto->ct_flags |= CT2_CCINCR;
1198                         atp->state = ATPD_STATE_LAST_CTIO;
1199                 } else
1200                         atp->state = ATPD_STATE_CTIO;
1201                 cto->ct_timeout = 10;
1202                 hp = &cto->ct_syshandle;
1203         } else {
1204                 ct_entry_t *cto = (ct_entry_t *) local;
1205
1206                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO;
1207                 cto->ct_header.rqs_entry_count = 1;
1208                 cto->ct_iid = cso->init_id;
1209                 cto->ct_iid |= XS_CHANNEL(ccb) << 7;
1210                 cto->ct_tgt = ccb->ccb_h.target_id;
1211                 cto->ct_lun = ccb->ccb_h.target_lun;
1212                 cto->ct_fwhandle = AT_GET_HANDLE(cso->tag_id);
1213                 if (AT_HAS_TAG(cso->tag_id)) {
1214                         cto->ct_tag_val = (u_int8_t) AT_GET_TAG(cso->tag_id);
1215                         cto->ct_flags |= CT_TQAE;
1216                 }
1217                 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
1218                         cto->ct_flags |= CT_NODISC;
1219                 }
1220                 if (cso->dxfer_len == 0) {
1221                         cto->ct_flags |= CT_NO_DATA;
1222                 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1223                         cto->ct_flags |= CT_DATA_IN;
1224                 } else {
1225                         cto->ct_flags |= CT_DATA_OUT;
1226                 }
1227                 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1228                         cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR;
1229                         cto->ct_scsi_status = cso->scsi_status;
1230                         cto->ct_resid = cso->resid;
1231                         isp_prt(isp, ISP_LOGTDEBUG0,
1232                             "CTIO[%x] SCSI STATUS 0x%x resid %d tag_id %x",
1233                             cto->ct_fwhandle, cso->scsi_status, cso->resid,
1234                             cso->tag_id);
1235                 }
1236                 ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1237                 cto->ct_timeout = 10;
1238                 hp = &cto->ct_syshandle;
1239         }
1240
1241         if (isp_save_xs(isp, (XS_T *)ccb, hp)) {
1242                 xpt_print_path(ccb->ccb_h.path);
1243                 printf("No XFLIST pointers for isp_target_start_ctio\n");
1244                 return (CAM_RESRC_UNAVAIL);
1245         }
1246
1247
1248         /*
1249          * Call the dma setup routines for this entry (and any subsequent
1250          * CTIOs) if there's data to move, and then tell the f/w it's got
1251          * new things to play with. As with isp_start's usage of DMA setup,
1252          * any swizzling is done in the machine dependent layer. Because
1253          * of this, we put the request onto the queue area first in native
1254          * format.
1255          */
1256
1257         save_handle = *hp;
1258
1259         switch (ISP_DMASETUP(isp, cso, (ispreq_t *) local, &nxti, optr)) {
1260         case CMD_QUEUED:
1261                 ISP_ADD_REQUEST(isp, nxti);
1262                 return (CAM_REQ_INPROG);
1263
1264         case CMD_EAGAIN:
1265                 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
1266                 isp_destroy_handle(isp, save_handle);
1267                 return (CAM_RESRC_UNAVAIL);
1268
1269         default:
1270                 isp_destroy_handle(isp, save_handle);
1271                 return (XS_ERR(ccb));
1272         }
1273 }
1274
1275 static void
1276 isp_refire_putback_atio(void *arg)
1277 {
1278         int s = splcam();
1279         isp_target_putback_atio(arg);
1280         splx(s);
1281 }
1282
1283 static void
1284 isp_target_putback_atio(union ccb *ccb)
1285 {
1286         struct ispsoftc *isp;
1287         struct ccb_scsiio *cso;
1288         u_int16_t nxti, optr;
1289         void *qe;
1290
1291         isp = XS_ISP(ccb);
1292
1293         if (isp_getrqentry(isp, &nxti, &optr, &qe)) {
1294                 (void) timeout(isp_refire_putback_atio, ccb, 10);
1295                 isp_prt(isp, ISP_LOGWARN,
1296                     "isp_target_putback_atio: Request Queue Overflow");
1297                 return;
1298         }
1299         bzero(qe, QENTRY_LEN);
1300         cso = &ccb->csio;
1301         if (IS_FC(isp)) {
1302                 at2_entry_t local, *at = &local;
1303                 MEMZERO(at, sizeof (at2_entry_t));
1304                 at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1305                 at->at_header.rqs_entry_count = 1;
1306                 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) != 0) {
1307                         at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1308                 } else {
1309                         at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1310                 }
1311                 at->at_status = CT_OK;
1312                 at->at_rxid = cso->tag_id;
1313                 at->at_iid = cso->ccb_h.target_id;
1314                 isp_put_atio2(isp, at, qe);
1315         } else {
1316                 at_entry_t local, *at = &local;
1317                 MEMZERO(at, sizeof (at_entry_t));
1318                 at->at_header.rqs_entry_type = RQSTYPE_ATIO;
1319                 at->at_header.rqs_entry_count = 1;
1320                 at->at_iid = cso->init_id;
1321                 at->at_iid |= XS_CHANNEL(ccb) << 7;
1322                 at->at_tgt = cso->ccb_h.target_id;
1323                 at->at_lun = cso->ccb_h.target_lun;
1324                 at->at_status = CT_OK;
1325                 at->at_tag_val = AT_GET_TAG(cso->tag_id);
1326                 at->at_handle = AT_GET_HANDLE(cso->tag_id);
1327                 isp_put_atio(isp, at, qe);
1328         }
1329         ISP_TDQE(isp, "isp_target_putback_atio", (int) optr, qe);
1330         ISP_ADD_REQUEST(isp, nxti);
1331         isp_complete_ctio(ccb);
1332 }
1333
1334 static void
1335 isp_complete_ctio(union ccb *ccb)
1336 {
1337         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1338                 ccb->ccb_h.status |= CAM_REQ_CMP;
1339         }
1340         ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1341         xpt_done(ccb);
1342 }
1343
1344 /*
1345  * Handle ATIO stuff that the generic code can't.
1346  * This means handling CDBs.
1347  */
1348
1349 static int
1350 isp_handle_platform_atio(struct ispsoftc *isp, at_entry_t *aep)
1351 {
1352         tstate_t *tptr;
1353         int status, bus, iswildcard;
1354         struct ccb_accept_tio *atiop;
1355
1356         /*
1357          * The firmware status (except for the QLTM_SVALID bit)
1358          * indicates why this ATIO was sent to us.
1359          *
1360          * If QLTM_SVALID is set, the firware has recommended Sense Data.
1361          *
1362          * If the DISCONNECTS DISABLED bit is set in the flags field,
1363          * we're still connected on the SCSI bus.
1364          */
1365         status = aep->at_status;
1366         if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) {
1367                 /*
1368                  * Bus Phase Sequence error. We should have sense data
1369                  * suggested by the f/w. I'm not sure quite yet what
1370                  * to do about this for CAM.
1371                  */
1372                 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR");
1373                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1374                 return (0);
1375         }
1376         if ((status & ~QLTM_SVALID) != AT_CDB) {
1377                 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform",
1378                     status);
1379                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1380                 return (0);
1381         }
1382
1383         bus = GET_BUS_VAL(aep->at_iid);
1384         tptr = get_lun_statep(isp, bus, aep->at_lun);
1385         if (tptr == NULL) {
1386                 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
1387                 iswildcard = 1;
1388         } else {
1389                 iswildcard = 0;
1390         }
1391
1392         if (tptr == NULL) {
1393                 /*
1394                  * Because we can't autofeed sense data back with
1395                  * a command for parallel SCSI, we can't give back
1396                  * a CHECK CONDITION. We'll give back a BUSY status
1397                  * instead. This works out okay because the only
1398                  * time we should, in fact, get this, is in the
1399                  * case that somebody configured us without the
1400                  * blackhole driver, so they get what they deserve.
1401                  */
1402                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1403                 return (0);
1404         }
1405
1406         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1407         if (atiop == NULL) {
1408                 /*
1409                  * Because we can't autofeed sense data back with
1410                  * a command for parallel SCSI, we can't give back
1411                  * a CHECK CONDITION. We'll give back a QUEUE FULL status
1412                  * instead. This works out okay because the only time we
1413                  * should, in fact, get this, is in the case that we've
1414                  * run out of ATIOS.
1415                  */
1416                 xpt_print_path(tptr->owner);
1417                 isp_prt(isp, ISP_LOGWARN,
1418                     "no ATIOS for lun %d from initiator %d on channel %d",
1419                     aep->at_lun, GET_IID_VAL(aep->at_iid), bus);
1420                 if (aep->at_flags & AT_TQAE)
1421                         isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0);
1422                 else
1423                         isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1424                 rls_lun_statep(isp, tptr);
1425                 return (0);
1426         }
1427         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1428         if (iswildcard) {
1429                 atiop->ccb_h.target_id = aep->at_tgt;
1430                 atiop->ccb_h.target_lun = aep->at_lun;
1431         }
1432         if (aep->at_flags & AT_NODISC) {
1433                 atiop->ccb_h.flags = CAM_DIS_DISCONNECT;
1434         } else {
1435                 atiop->ccb_h.flags = 0;
1436         }
1437
1438         if (status & QLTM_SVALID) {
1439                 size_t amt = imin(QLTM_SENSELEN, sizeof (atiop->sense_data));
1440                 atiop->sense_len = amt;
1441                 MEMCPY(&atiop->sense_data, aep->at_sense, amt);
1442         } else {
1443                 atiop->sense_len = 0;
1444         }
1445
1446         atiop->init_id = GET_IID_VAL(aep->at_iid);
1447         atiop->cdb_len = aep->at_cdblen;
1448         MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen);
1449         atiop->ccb_h.status = CAM_CDB_RECVD;
1450         /*
1451          * Construct a tag 'id' based upon tag value (which may be 0..255)
1452          * and the handle (which we have to preserve).
1453          */
1454         AT_MAKE_TAGID(atiop->tag_id, aep);
1455         if (aep->at_flags & AT_TQAE) {
1456                 atiop->tag_action = aep->at_tag_type;
1457                 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID;
1458         }
1459         xpt_done((union ccb*)atiop);
1460         isp_prt(isp, ISP_LOGTDEBUG0,
1461             "ATIO[%x] CDB=0x%x bus %d iid%d->lun%d tag 0x%x ttype 0x%x %s",
1462             aep->at_handle, aep->at_cdb[0] & 0xff, GET_BUS_VAL(aep->at_iid),
1463             GET_IID_VAL(aep->at_iid), aep->at_lun, aep->at_tag_val & 0xff,
1464             aep->at_tag_type, (aep->at_flags & AT_NODISC)?
1465             "nondisc" : "disconnecting");
1466         rls_lun_statep(isp, tptr);
1467         return (0);
1468 }
1469
1470 static int
1471 isp_handle_platform_atio2(struct ispsoftc *isp, at2_entry_t *aep)
1472 {
1473         lun_id_t lun;
1474         tstate_t *tptr;
1475         struct ccb_accept_tio *atiop;
1476         atio_private_data_t *atp;
1477
1478         /*
1479          * The firmware status (except for the QLTM_SVALID bit)
1480          * indicates why this ATIO was sent to us.
1481          *
1482          * If QLTM_SVALID is set, the firware has recommended Sense Data.
1483          */
1484         if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1485                 isp_prt(isp, ISP_LOGWARN,
1486                     "bogus atio (0x%x) leaked to platform", aep->at_status);
1487                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1488                 return (0);
1489         }
1490
1491         if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) != 0) {
1492                 lun = aep->at_scclun;
1493         } else {
1494                 lun = aep->at_lun;
1495         }
1496         tptr = get_lun_statep(isp, 0, lun);
1497         if (tptr == NULL) {
1498                 isp_prt(isp, ISP_LOGWARN, "no state pointer for lun %d", lun);
1499                 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1500         }
1501
1502         if (tptr == NULL) {
1503                 /*
1504                  * What we'd like to know is whether or not we have a listener
1505                  * upstream that really hasn't configured yet. If we do, then
1506                  * we can give a more sensible reply here. If not, then we can
1507                  * reject this out of hand.
1508                  *
1509                  * Choices for what to send were
1510                  *
1511                  *      Not Ready, Unit Not Self-Configured Yet
1512                  *      (0x2,0x3e,0x00)
1513                  *
1514                  * for the former and
1515                  *
1516                  *      Illegal Request, Logical Unit Not Supported
1517                  *      (0x5,0x25,0x00)
1518                  *
1519                  * for the latter.
1520                  *
1521                  * We used to decide whether there was at least one listener
1522                  * based upon whether the black hole driver was configured.
1523                  * However, recent config(8) changes have made this hard to do
1524                  * at this time.
1525                  *
1526                  */
1527                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1528                 return (0);
1529         }
1530
1531         atp = isp_get_atpd(isp, 0);
1532         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1533         if (atiop == NULL || atp == NULL) {
1534                 /*
1535                  * Because we can't autofeed sense data back with
1536                  * a command for parallel SCSI, we can't give back
1537                  * a CHECK CONDITION. We'll give back a QUEUE FULL status
1538                  * instead. This works out okay because the only time we
1539                  * should, in fact, get this, is in the case that we've
1540                  * run out of ATIOS.
1541                  */
1542                 xpt_print_path(tptr->owner);
1543                 isp_prt(isp, ISP_LOGWARN,
1544                     "no %s for lun %d from initiator %d",
1545                     (atp == NULL && atiop == NULL)? "ATIO2s *or* ATPS" :
1546                     ((atp == NULL)? "ATPs" : "ATIO2s"), lun, aep->at_iid);
1547                 rls_lun_statep(isp, tptr);
1548                 isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0);
1549                 return (0);
1550         }
1551         atp->state = ATPD_STATE_ATIO;
1552         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1553         tptr->atio_count--;
1554         isp_prt(isp, ISP_LOGTDEBUG0, "Take FREE ATIO2 lun %d, count now %d",
1555             lun, tptr->atio_count);
1556
1557         if (tptr == &isp->isp_osinfo.tsdflt[0]) {
1558                 atiop->ccb_h.target_id =
1559                     ((fcparam *)isp->isp_param)->isp_loopid;
1560                 atiop->ccb_h.target_lun = lun;
1561         }
1562         /*
1563          * We don't get 'suggested' sense data as we do with SCSI cards.
1564          */
1565         atiop->sense_len = 0;
1566
1567         atiop->init_id = aep->at_iid;
1568         atiop->cdb_len = ATIO2_CDBLEN;
1569         MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1570         atiop->ccb_h.status = CAM_CDB_RECVD;
1571         atiop->tag_id = aep->at_rxid;
1572         switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1573         case ATIO2_TC_ATTR_SIMPLEQ:
1574                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1575                 break;
1576         case ATIO2_TC_ATTR_HEADOFQ:
1577                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1578                 break;
1579         case ATIO2_TC_ATTR_ORDERED:
1580                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1581                 break;
1582         case ATIO2_TC_ATTR_ACAQ:                /* ?? */
1583         case ATIO2_TC_ATTR_UNTAGGED:
1584         default:
1585                 atiop->tag_action = 0;
1586                 break;
1587         }
1588         atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
1589
1590         atp->tag = atiop->tag_id;
1591         atp->lun = lun;
1592         atp->orig_datalen = aep->at_datalen;
1593         atp->last_xframt = 0;
1594         atp->bytes_xfered = 0;
1595         atp->state = ATPD_STATE_CAM;
1596         xpt_done((union ccb*)atiop);
1597
1598         isp_prt(isp, ISP_LOGTDEBUG0,
1599             "ATIO2[%x] CDB=0x%x iid%d->lun%d tattr 0x%x datalen %u",
1600             aep->at_rxid, aep->at_cdb[0] & 0xff, aep->at_iid,
1601             lun, aep->at_taskflags, aep->at_datalen);
1602         rls_lun_statep(isp, tptr);
1603         return (0);
1604 }
1605
1606 static int
1607 isp_handle_platform_ctio(struct ispsoftc *isp, void *arg)
1608 {
1609         union ccb *ccb;
1610         int sentstatus, ok, notify_cam, resid = 0;
1611         u_int16_t tval;
1612
1613         /*
1614          * CTIO and CTIO2 are close enough....
1615          */
1616
1617         ccb = (union ccb *) isp_find_xs(isp, ((ct_entry_t *)arg)->ct_syshandle);
1618         KASSERT((ccb != NULL), ("null ccb in isp_handle_platform_ctio"));
1619         isp_destroy_handle(isp, ((ct_entry_t *)arg)->ct_syshandle);
1620
1621         if (IS_FC(isp)) {
1622                 ct2_entry_t *ct = arg;
1623                 atio_private_data_t *atp = isp_get_atpd(isp, ct->ct_rxid);
1624                 if (atp == NULL) {
1625                         isp_prt(isp, ISP_LOGERR,
1626                             "cannot find adjunct for %x after I/O",
1627                             ct->ct_rxid);
1628                         return (0);
1629                 }
1630                 sentstatus = ct->ct_flags & CT2_SENDSTATUS;
1631                 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
1632                 if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
1633                         ccb->ccb_h.status |= CAM_SENT_SENSE;
1634                 }
1635                 notify_cam = ct->ct_header.rqs_seqno & 0x1;
1636                 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
1637                         resid = ct->ct_resid;
1638                         atp->bytes_xfered += (atp->last_xframt - resid);
1639                         atp->last_xframt = 0;
1640                 }
1641                 if (sentstatus || !ok) {
1642                         atp->tag = 0;
1643                 }
1644                 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN,
1645                     "CTIO2[%x] sts 0x%x flg 0x%x sns %d resid %d %s",
1646                     ct->ct_rxid, ct->ct_status, ct->ct_flags,
1647                     (ccb->ccb_h.status & CAM_SENT_SENSE) != 0,
1648                     resid, sentstatus? "FIN" : "MID");
1649                 tval = ct->ct_rxid;
1650
1651                 /* XXX: should really come after isp_complete_ctio */
1652                 atp->state = ATPD_STATE_PDON;
1653         } else {
1654                 ct_entry_t *ct = arg;
1655                 sentstatus = ct->ct_flags & CT_SENDSTATUS;
1656                 ok = (ct->ct_status  & ~QLTM_SVALID) == CT_OK;
1657                 /*
1658                  * We *ought* to be able to get back to the original ATIO
1659                  * here, but for some reason this gets lost. It's just as
1660                  * well because it's squirrelled away as part of periph
1661                  * private data.
1662                  *
1663                  * We can live without it as long as we continue to use
1664                  * the auto-replenish feature for CTIOs.
1665                  */
1666                 notify_cam = ct->ct_header.rqs_seqno & 0x1;
1667                 if (ct->ct_status & QLTM_SVALID) {
1668                         char *sp = (char *)ct;
1669                         sp += CTIO_SENSE_OFFSET;
1670                         ccb->csio.sense_len =
1671                             min(sizeof (ccb->csio.sense_data), QLTM_SENSELEN);
1672                         MEMCPY(&ccb->csio.sense_data, sp, ccb->csio.sense_len);
1673                         ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
1674                 }
1675                 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) {
1676                         resid = ct->ct_resid;
1677                 }
1678                 isp_prt(isp, ISP_LOGTDEBUG0,
1679                     "CTIO[%x] tag %x iid %d lun %d sts %x flg %x resid %d %s",
1680                     ct->ct_fwhandle, ct->ct_tag_val, ct->ct_iid, ct->ct_lun,
1681                     ct->ct_status, ct->ct_flags, resid,
1682                     sentstatus? "FIN" : "MID");
1683                 tval = ct->ct_fwhandle;
1684         }
1685         ccb->csio.resid += resid;
1686
1687         /*
1688          * We're here either because intermediate data transfers are done
1689          * and/or the final status CTIO (which may have joined with a
1690          * Data Transfer) is done.
1691          *
1692          * In any case, for this platform, the upper layers figure out
1693          * what to do next, so all we do here is collect status and
1694          * pass information along. Any DMA handles have already been
1695          * freed.
1696          */
1697         if (notify_cam == 0) {
1698                 isp_prt(isp, ISP_LOGTDEBUG0, "  INTER CTIO[0x%x] done", tval);
1699                 return (0);
1700         }
1701
1702         isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done",
1703             (sentstatus)? "  FINAL " : "MIDTERM ", tval);
1704
1705         if (!ok) {
1706                 isp_target_putback_atio(ccb);
1707         } else {
1708                 isp_complete_ctio(ccb);
1709
1710         }
1711         return (0);
1712 }
1713
1714 static int
1715 isp_handle_platform_notify_scsi(struct ispsoftc *isp, in_entry_t *inp)
1716 {
1717         return (0);     /* XXXX */
1718 }
1719
1720 static int
1721 isp_handle_platform_notify_fc(struct ispsoftc *isp, in_fcentry_t *inp)
1722 {
1723
1724         switch (inp->in_status) {
1725         case IN_PORT_LOGOUT:
1726                 isp_prt(isp, ISP_LOGWARN, "port logout of iid %d",
1727                    inp->in_iid);
1728                 break;
1729         case IN_PORT_CHANGED:
1730                 isp_prt(isp, ISP_LOGWARN, "port changed for iid %d",
1731                    inp->in_iid);
1732                 break;
1733         case IN_GLOBAL_LOGO:
1734                 isp_prt(isp, ISP_LOGINFO, "all ports logged out");
1735                 break;
1736         case IN_ABORT_TASK:
1737         {
1738                 atio_private_data_t *atp = isp_get_atpd(isp, inp->in_seqid);
1739                 struct ccb_immed_notify *inot = NULL;
1740
1741                 if (atp) {
1742                         tstate_t *tptr = get_lun_statep(isp, 0, atp->lun);
1743                         if (tptr) {
1744                                 inot = (struct ccb_immed_notify *)
1745                                     SLIST_FIRST(&tptr->inots);
1746                                 if (inot) {
1747                                         SLIST_REMOVE_HEAD(&tptr->inots,
1748                                             sim_links.sle);
1749                                 }
1750                         }
1751                         isp_prt(isp, ISP_LOGWARN,
1752                            "abort task RX_ID %x IID %d state %d",
1753                            inp->in_seqid, inp->in_iid, atp->state);
1754                 } else {
1755                         isp_prt(isp, ISP_LOGWARN,
1756                            "abort task RX_ID %x from iid %d, state unknown",
1757                            inp->in_seqid, inp->in_iid);
1758                 }
1759                 if (inot) {
1760                         inot->initiator_id = inp->in_iid;
1761                         inot->sense_len = 0;
1762                         inot->message_args[0] = MSG_ABORT_TAG;
1763                         inot->message_args[1] = inp->in_seqid & 0xff;
1764                         inot->message_args[2] = (inp->in_seqid >> 8) & 0xff;
1765                         inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN;
1766                         xpt_done((union ccb *)inot);
1767                 }
1768                 break;
1769         }
1770         default:
1771                 break;
1772         }
1773         return (0);
1774 }
1775 #endif
1776
1777 static void
1778 isp_cam_async(void *cbarg, u_int32_t code, struct cam_path *path, void *arg)
1779 {
1780         struct cam_sim *sim;
1781         struct ispsoftc *isp;
1782
1783         sim = (struct cam_sim *)cbarg;
1784         isp = (struct ispsoftc *) cam_sim_softc(sim);
1785         switch (code) {
1786         case AC_LOST_DEVICE:
1787                 if (IS_SCSI(isp)) {
1788                         u_int16_t oflags, nflags;
1789                         sdparam *sdp = isp->isp_param;
1790                         int tgt;
1791
1792                         tgt = xpt_path_target_id(path);
1793                         if (tgt >= 0) {
1794                                 sdp += cam_sim_bus(sim);
1795                                 ISP_LOCK(isp);
1796                                 nflags = sdp->isp_devparam[tgt].nvrm_flags;
1797 #ifndef ISP_TARGET_MODE
1798                                 nflags &= DPARM_SAFE_DFLT;
1799                                 if (isp->isp_loaded_fw) {
1800                                         nflags |= DPARM_NARROW | DPARM_ASYNC;
1801                                 }
1802 #else
1803                                 nflags = DPARM_DEFAULT;
1804 #endif
1805                                 oflags = sdp->isp_devparam[tgt].goal_flags;
1806                                 sdp->isp_devparam[tgt].goal_flags = nflags;
1807                                 sdp->isp_devparam[tgt].dev_update = 1;
1808                                 isp->isp_update |= (1 << cam_sim_bus(sim));
1809                                 (void) isp_control(isp,
1810                                     ISPCTL_UPDATE_PARAMS, NULL);
1811                                 sdp->isp_devparam[tgt].goal_flags = oflags;
1812                                 ISP_UNLOCK(isp);
1813                         }
1814                 }
1815                 break;
1816         default:
1817                 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
1818                 break;
1819         }
1820 }
1821
1822 static void
1823 isp_poll(struct cam_sim *sim)
1824 {
1825         struct ispsoftc *isp = cam_sim_softc(sim);
1826         u_int16_t isr, sema, mbox;
1827
1828         ISP_LOCK(isp);
1829         if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
1830                 isp_intr(isp, isr, sema, mbox);
1831         }
1832         ISP_UNLOCK(isp);
1833 }
1834
1835
1836 static void
1837 isp_watchdog(void *arg)
1838 {
1839         XS_T *xs = arg;
1840         struct ispsoftc *isp = XS_ISP(xs);
1841         u_int32_t handle;
1842         int iok;
1843
1844         /*
1845          * We've decided this command is dead. Make sure we're not trying
1846          * to kill a command that's already dead by getting it's handle and
1847          * and seeing whether it's still alive.
1848          */
1849         ISP_LOCK(isp);
1850         iok = isp->isp_osinfo.intsok;
1851         isp->isp_osinfo.intsok = 0;
1852         handle = isp_find_handle(isp, xs);
1853         if (handle) {
1854                 u_int16_t isr, sema, mbox;
1855
1856                 if (XS_CMD_DONE_P(xs)) {
1857                         isp_prt(isp, ISP_LOGDEBUG1,
1858                             "watchdog found done cmd (handle 0x%x)", handle);
1859                         ISP_UNLOCK(isp);
1860                         return;
1861                 }
1862
1863                 if (XS_CMD_WDOG_P(xs)) {
1864                         isp_prt(isp, ISP_LOGDEBUG2,
1865                             "recursive watchdog (handle 0x%x)", handle);
1866                         ISP_UNLOCK(isp);
1867                         return;
1868                 }
1869
1870                 XS_CMD_S_WDOG(xs);
1871                 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
1872                         isp_intr(isp, isr, sema, mbox);
1873                 }
1874                 if (XS_CMD_DONE_P(xs)) {
1875                         isp_prt(isp, ISP_LOGDEBUG2,
1876                             "watchdog cleanup for handle 0x%x", handle);
1877                         xpt_done((union ccb *) xs);
1878                 } else if (XS_CMD_GRACE_P(xs)) {
1879                         /*
1880                          * Make sure the command is *really* dead before we
1881                          * release the handle (and DMA resources) for reuse.
1882                          */
1883                         (void) isp_control(isp, ISPCTL_ABORT_CMD, arg);
1884
1885                         /*
1886                          * After this point, the comamnd is really dead.
1887                          */
1888                         if (XS_XFRLEN(xs)) {
1889                                 ISP_DMAFREE(isp, xs, handle);
1890                         }
1891                         isp_destroy_handle(isp, handle);
1892                         xpt_print_path(xs->ccb_h.path);
1893                         isp_prt(isp, ISP_LOGWARN,
1894                             "watchdog timeout for handle 0x%x", handle);
1895                         XS_SETERR(xs, CAM_CMD_TIMEOUT);
1896                         XS_CMD_C_WDOG(xs);
1897                         isp_done(xs);
1898                 } else {
1899                         u_int16_t nxti, optr;
1900                         ispreq_t local, *mp= &local, *qe;
1901
1902                         XS_CMD_C_WDOG(xs);
1903                         xs->ccb_h.timeout_ch = timeout(isp_watchdog, xs, hz);
1904                         if (isp_getrqentry(isp, &nxti, &optr, (void **) &qe)) {
1905                                 ISP_UNLOCK(isp);
1906                                 return;
1907                         }
1908                         XS_CMD_S_GRACE(xs);
1909                         MEMZERO((void *) mp, sizeof (*mp));
1910                         mp->req_header.rqs_entry_count = 1;
1911                         mp->req_header.rqs_entry_type = RQSTYPE_MARKER;
1912                         mp->req_modifier = SYNC_ALL;
1913                         mp->req_target = XS_CHANNEL(xs) << 7;
1914                         isp_put_request(isp, mp, qe);
1915                         ISP_ADD_REQUEST(isp, nxti);
1916                 }
1917         } else {
1918                 isp_prt(isp, ISP_LOGDEBUG2, "watchdog with no command");
1919         }
1920         isp->isp_osinfo.intsok = iok;
1921         ISP_UNLOCK(isp);
1922 }
1923
1924 static void
1925 isp_kthread(void *arg)
1926 {
1927         struct ispsoftc *isp = arg;
1928         int s;
1929
1930         s = splcam();
1931         isp->isp_osinfo.intsok = 1;
1932
1933         /*
1934          * The first loop is for our usage where we have yet to have
1935          * gotten good fibre channel state.
1936          */
1937         for (;;) {
1938                 int wasfrozen;
1939
1940                 isp_prt(isp, ISP_LOGDEBUG0, "kthread: checking FC state");
1941                 while (isp_fc_runstate(isp, 2 * 1000000) != 0) {
1942                         isp_prt(isp, ISP_LOGDEBUG0, "kthread: FC state ungood");
1943                         if (FCPARAM(isp)->isp_fwstate != FW_READY ||
1944                             FCPARAM(isp)->isp_loopstate < LOOP_PDB_RCVD) {
1945                                 if (FCPARAM(isp)->loop_seen_once == 0 ||
1946                                     isp->isp_osinfo.ktmature == 0) {
1947                                         break;
1948                                 }
1949                         }
1950                         tsleep(isp_kthread, 0, "isp_fcthrd", hz);
1951
1952                 }
1953
1954                 /*
1955                  * Even if we didn't get good loop state we may be
1956                  * unfreezing the SIMQ so that we can kill off
1957                  * commands (if we've never seen loop before, for example).
1958                  */
1959                 isp->isp_osinfo.ktmature = 1;
1960                 wasfrozen = isp->isp_osinfo.simqfrozen & SIMQFRZ_LOOPDOWN;
1961                 isp->isp_osinfo.simqfrozen &= ~SIMQFRZ_LOOPDOWN;
1962                 if (wasfrozen && isp->isp_osinfo.simqfrozen == 0) {
1963                         isp_prt(isp, ISP_LOGDEBUG0, "kthread: releasing simq");
1964                         ISPLOCK_2_CAMLOCK(isp);
1965                         xpt_release_simq(isp->isp_sim, 1);
1966                         CAMLOCK_2_ISPLOCK(isp);
1967                 }
1968                 tsleep(&isp->isp_osinfo.kthread, 0, "isp_fc_worker", 0);
1969                 isp_prt(isp, ISP_LOGDEBUG0, "kthread: waiting until called");
1970         }
1971 }
1972
1973 static void
1974 isp_action(struct cam_sim *sim, union ccb *ccb)
1975 {
1976         int bus, tgt, error;
1977         struct ispsoftc *isp;
1978         struct ccb_trans_settings *cts;
1979
1980         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
1981
1982         isp = (struct ispsoftc *)cam_sim_softc(sim);
1983         ccb->ccb_h.sim_priv.entries[0].field = 0;
1984         ccb->ccb_h.sim_priv.entries[1].ptr = isp;
1985         if (isp->isp_state != ISP_RUNSTATE &&
1986             ccb->ccb_h.func_code == XPT_SCSI_IO) {
1987                 CAMLOCK_2_ISPLOCK(isp);
1988                 isp_init(isp);
1989                 if (isp->isp_state != ISP_INITSTATE) {
1990                         ISP_UNLOCK(isp);
1991                         /*
1992                          * Lie. Say it was a selection timeout.
1993                          */
1994                         ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN;
1995                         xpt_freeze_devq(ccb->ccb_h.path, 1);
1996                         xpt_done(ccb);
1997                         return;
1998                 }
1999                 isp->isp_state = ISP_RUNSTATE;
2000                 ISPLOCK_2_CAMLOCK(isp);
2001         }
2002         isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
2003
2004
2005         switch (ccb->ccb_h.func_code) {
2006         case XPT_SCSI_IO:       /* Execute the requested I/O operation */
2007                 /*
2008                  * Do a couple of preliminary checks...
2009                  */
2010                 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
2011                         if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
2012                                 ccb->ccb_h.status = CAM_REQ_INVALID;
2013                                 xpt_done(ccb);
2014                                 break;
2015                         }
2016                 }
2017 #ifdef  DIAGNOSTIC
2018                 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) {
2019                         ccb->ccb_h.status = CAM_PATH_INVALID;
2020                 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) {
2021                         ccb->ccb_h.status = CAM_PATH_INVALID;
2022                 }
2023                 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
2024                         isp_prt(isp, ISP_LOGERR,
2025                             "invalid tgt/lun (%d.%d) in XPT_SCSI_IO",
2026                             ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2027                         xpt_done(ccb);
2028                         break;
2029                 }
2030 #endif
2031                 ((struct ccb_scsiio *) ccb)->scsi_status = SCSI_STATUS_OK;
2032                 CAMLOCK_2_ISPLOCK(isp);
2033                 error = isp_start((XS_T *) ccb);
2034                 switch (error) {
2035                 case CMD_QUEUED:
2036                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
2037                         if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) {
2038                                 u_int64_t ticks = (u_int64_t) hz;
2039                                 if (ccb->ccb_h.timeout == CAM_TIME_DEFAULT)
2040                                         ticks = 60 * 1000 * ticks;
2041                                 else
2042                                         ticks = ccb->ccb_h.timeout * hz;
2043                                 ticks = ((ticks + 999) / 1000) + hz + hz;
2044                                 if (ticks >= 0x80000000) {
2045                                         isp_prt(isp, ISP_LOGERR,
2046                                             "timeout overflow");
2047                                         ticks = 0x7fffffff;
2048                                 }
2049                                 ccb->ccb_h.timeout_ch = timeout(isp_watchdog,
2050                                     (caddr_t)ccb, (int)ticks);
2051                         } else {
2052                                 callout_handle_init(&ccb->ccb_h.timeout_ch);
2053                         }
2054                         ISPLOCK_2_CAMLOCK(isp);
2055                         break;
2056                 case CMD_RQLATER:
2057                         /*
2058                          * This can only happen for Fibre Channel
2059                          */
2060                         KASSERT((IS_FC(isp)), ("CMD_RQLATER for FC only"));
2061                         if (FCPARAM(isp)->loop_seen_once == 0 &&
2062                             isp->isp_osinfo.ktmature) {
2063                                 ISPLOCK_2_CAMLOCK(isp);
2064                                 XS_SETERR(ccb, CAM_SEL_TIMEOUT);
2065                                 xpt_done(ccb);
2066                                 break;
2067                         }
2068                         wakeup(&isp->isp_osinfo.kthread);
2069                         isp_freeze_loopdown(isp, "isp_action(RQLATER)");
2070                         isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
2071                         XS_SETERR(ccb, CAM_REQUEUE_REQ);
2072                         ISPLOCK_2_CAMLOCK(isp);
2073                         xpt_done(ccb);
2074                         break;
2075                 case CMD_EAGAIN:
2076                         XS_SETERR(ccb, CAM_REQUEUE_REQ);
2077                         ISPLOCK_2_CAMLOCK(isp);
2078                         xpt_done(ccb);
2079                         break;
2080                 case CMD_COMPLETE:
2081                         isp_done((struct ccb_scsiio *) ccb);
2082                         ISPLOCK_2_CAMLOCK(isp);
2083                         break;
2084                 default:
2085                         isp_prt(isp, ISP_LOGERR,
2086                             "What's this? 0x%x at %d in file %s",
2087                             error, __LINE__, __FILE__);
2088                         XS_SETERR(ccb, CAM_REQ_CMP_ERR);
2089                         xpt_done(ccb);
2090                         ISPLOCK_2_CAMLOCK(isp);
2091                 }
2092                 break;
2093
2094 #ifdef  ISP_TARGET_MODE
2095         case XPT_EN_LUN:                /* Enable LUN as a target */
2096         {
2097                 int iok;
2098                 CAMLOCK_2_ISPLOCK(isp);
2099                 iok = isp->isp_osinfo.intsok;
2100                 isp->isp_osinfo.intsok = 0;
2101                 isp_en_lun(isp, ccb);
2102                 isp->isp_osinfo.intsok = iok;
2103                 ISPLOCK_2_CAMLOCK(isp);
2104                 xpt_done(ccb);
2105                 break;
2106         }
2107         case XPT_NOTIFY_ACK:            /* recycle notify ack */
2108         case XPT_IMMED_NOTIFY:          /* Add Immediate Notify Resource */
2109         case XPT_ACCEPT_TARGET_IO:      /* Add Accept Target IO Resource */
2110         {
2111                 tstate_t *tptr =
2112                     get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
2113                 if (tptr == NULL) {
2114                         ccb->ccb_h.status = CAM_LUN_INVALID;
2115                         xpt_done(ccb);
2116                         break;
2117                 }
2118                 ccb->ccb_h.sim_priv.entries[0].field = 0;
2119                 ccb->ccb_h.sim_priv.entries[1].ptr = isp;
2120                 ccb->ccb_h.flags = 0;
2121
2122                 CAMLOCK_2_ISPLOCK(isp);
2123                 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
2124                         /*
2125                          * Note that the command itself may not be done-
2126                          * it may not even have had the first CTIO sent.
2127                          */
2128                         tptr->atio_count++;
2129                         isp_prt(isp, ISP_LOGTDEBUG0,
2130                             "Put FREE ATIO2, lun %d, count now %d",
2131                             ccb->ccb_h.target_lun, tptr->atio_count);
2132                         SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h,
2133                             sim_links.sle);
2134                 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
2135                         SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h,
2136                             sim_links.sle);
2137                 } else {
2138                         ;
2139                 }
2140                 rls_lun_statep(isp, tptr);
2141                 ccb->ccb_h.status = CAM_REQ_INPROG;
2142                 ISPLOCK_2_CAMLOCK(isp);
2143                 break;
2144         }
2145         case XPT_CONT_TARGET_IO:
2146         {
2147                 CAMLOCK_2_ISPLOCK(isp);
2148                 ccb->ccb_h.status = isp_target_start_ctio(isp, ccb);
2149                 if (ccb->ccb_h.status != CAM_REQ_INPROG) {
2150                         isp_prt(isp, ISP_LOGWARN,
2151                             "XPT_CONT_TARGET_IO: status 0x%x",
2152                             ccb->ccb_h.status);
2153                         XS_SETERR(ccb, CAM_REQUEUE_REQ);
2154                         ISPLOCK_2_CAMLOCK(isp);
2155                         xpt_done(ccb);
2156                 } else {
2157                         ISPLOCK_2_CAMLOCK(isp);
2158                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
2159                 }
2160                 break;
2161         }
2162 #endif
2163         case XPT_RESET_DEV:             /* BDR the specified SCSI device */
2164
2165                 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
2166                 tgt = ccb->ccb_h.target_id;
2167                 tgt |= (bus << 16);
2168
2169                 CAMLOCK_2_ISPLOCK(isp);
2170                 error = isp_control(isp, ISPCTL_RESET_DEV, &tgt);
2171                 ISPLOCK_2_CAMLOCK(isp);
2172                 if (error) {
2173                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2174                 } else {
2175                         ccb->ccb_h.status = CAM_REQ_CMP;
2176                 }
2177                 xpt_done(ccb);
2178                 break;
2179         case XPT_ABORT:                 /* Abort the specified CCB */
2180         {
2181                 union ccb *accb = ccb->cab.abort_ccb;
2182                 CAMLOCK_2_ISPLOCK(isp);
2183                 switch (accb->ccb_h.func_code) {
2184 #ifdef  ISP_TARGET_MODE
2185                 case XPT_ACCEPT_TARGET_IO:
2186                 case XPT_IMMED_NOTIFY:
2187                         ccb->ccb_h.status = isp_abort_tgt_ccb(isp, ccb);
2188                         break;
2189                 case XPT_CONT_TARGET_IO:
2190                         isp_prt(isp, ISP_LOGERR, "cannot abort CTIOs yet");
2191                         ccb->ccb_h.status = CAM_UA_ABORT;
2192                         break;
2193 #endif
2194                 case XPT_SCSI_IO:
2195                         error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
2196                         if (error) {
2197                                 ccb->ccb_h.status = CAM_UA_ABORT;
2198                         } else {
2199                                 ccb->ccb_h.status = CAM_REQ_CMP;
2200                         }
2201                         break;
2202                 default:
2203                         ccb->ccb_h.status = CAM_REQ_INVALID;
2204                         break;
2205                 }
2206                 ISPLOCK_2_CAMLOCK(isp);
2207                 xpt_done(ccb);
2208                 break;
2209         }
2210 #define IS_CURRENT_SETTINGS(c)  (c->flags & CCB_TRANS_CURRENT_SETTINGS)
2211         case XPT_SET_TRAN_SETTINGS:     /* Nexus Settings */
2212                 cts = &ccb->cts;
2213                 if (!IS_CURRENT_SETTINGS(cts)) {
2214                         ccb->ccb_h.status = CAM_REQ_INVALID;
2215                         xpt_done(ccb);
2216                         break;
2217                 }
2218                 tgt = cts->ccb_h.target_id;
2219                 CAMLOCK_2_ISPLOCK(isp);
2220                 if (IS_SCSI(isp)) {
2221                         sdparam *sdp = isp->isp_param;
2222                         u_int16_t *dptr;
2223
2224                         bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
2225
2226                         sdp += bus;
2227                         /*
2228                          * We always update (internally) from goal_flags
2229                          * so any request to change settings just gets
2230                          * vectored to that location.
2231                          */
2232                         dptr = &sdp->isp_devparam[tgt].goal_flags;
2233
2234                         /*
2235                          * Note that these operations affect the
2236                          * the goal flags (goal_flags)- not
2237                          * the current state flags. Then we mark
2238                          * things so that the next operation to
2239                          * this HBA will cause the update to occur.
2240                          */
2241                         if (cts->valid & CCB_TRANS_DISC_VALID) {
2242                                 if ((cts->flags & CCB_TRANS_DISC_ENB) != 0) {
2243                                         *dptr |= DPARM_DISC;
2244                                 } else {
2245                                         *dptr &= ~DPARM_DISC;
2246                                 }
2247                         }
2248                         if (cts->valid & CCB_TRANS_TQ_VALID) {
2249                                 if ((cts->flags & CCB_TRANS_TAG_ENB) != 0) {
2250                                         *dptr |= DPARM_TQING;
2251                                 } else {
2252                                         *dptr &= ~DPARM_TQING;
2253                                 }
2254                         }
2255                         if (cts->valid & CCB_TRANS_BUS_WIDTH_VALID) {
2256                                 switch (cts->bus_width) {
2257                                 case MSG_EXT_WDTR_BUS_16_BIT:
2258                                         *dptr |= DPARM_WIDE;
2259                                         break;
2260                                 default:
2261                                         *dptr &= ~DPARM_WIDE;
2262                                 }
2263                         }
2264                         /*
2265                          * Any SYNC RATE of nonzero and SYNC_OFFSET
2266                          * of nonzero will cause us to go to the
2267                          * selected (from NVRAM) maximum value for
2268                          * this device. At a later point, we'll
2269                          * allow finer control.
2270                          */
2271                         if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) &&
2272                             (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) &&
2273                             (cts->sync_offset > 0)) {
2274                                 *dptr |= DPARM_SYNC;
2275                         } else {
2276                                 *dptr &= ~DPARM_SYNC;
2277                         }
2278                         *dptr |= DPARM_SAFE_DFLT;
2279                         isp_prt(isp, ISP_LOGDEBUG0,
2280                             "SET bus %d targ %d to flags %x off %x per %x",
2281                             bus, tgt, sdp->isp_devparam[tgt].goal_flags,
2282                             sdp->isp_devparam[tgt].goal_offset,
2283                             sdp->isp_devparam[tgt].goal_period);
2284                         sdp->isp_devparam[tgt].dev_update = 1;
2285                         isp->isp_update |= (1 << bus);
2286                 }
2287                 ISPLOCK_2_CAMLOCK(isp);
2288                 ccb->ccb_h.status = CAM_REQ_CMP;
2289                 xpt_done(ccb);
2290                 break;
2291         case XPT_GET_TRAN_SETTINGS:
2292                 cts = &ccb->cts;
2293                 tgt = cts->ccb_h.target_id;
2294                 CAMLOCK_2_ISPLOCK(isp);
2295                 if (IS_FC(isp)) {
2296                         /*
2297                          * a lot of normal SCSI things don't make sense.
2298                          */
2299                         cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB;
2300                         cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2301                         /*
2302                          * How do you measure the width of a high
2303                          * speed serial bus? Well, in bytes.
2304                          *
2305                          * Offset and period make no sense, though, so we set
2306                          * (above) a 'base' transfer speed to be gigabit.
2307                          */
2308                         cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
2309                 } else {
2310                         sdparam *sdp = isp->isp_param;
2311                         int bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
2312                         u_int16_t dval, pval, oval;
2313
2314                         sdp += bus;
2315
2316                         if (IS_CURRENT_SETTINGS(cts)) {
2317                                 sdp->isp_devparam[tgt].dev_refresh = 1;
2318                                 isp->isp_update |= (1 << bus);
2319                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS,
2320                                     NULL);
2321                                 dval = sdp->isp_devparam[tgt].actv_flags;
2322                                 oval = sdp->isp_devparam[tgt].actv_offset;
2323                                 pval = sdp->isp_devparam[tgt].actv_period;
2324                         } else {
2325                                 dval = sdp->isp_devparam[tgt].nvrm_flags;
2326                                 oval = sdp->isp_devparam[tgt].nvrm_offset;
2327                                 pval = sdp->isp_devparam[tgt].nvrm_period;
2328                         }
2329
2330                         cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB);
2331
2332                         if (dval & DPARM_DISC) {
2333                                 cts->flags |= CCB_TRANS_DISC_ENB;
2334                         }
2335                         if (dval & DPARM_TQING) {
2336                                 cts->flags |= CCB_TRANS_TAG_ENB;
2337                         }
2338                         if (dval & DPARM_WIDE) {
2339                                 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
2340                         } else {
2341                                 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
2342                         }
2343                         cts->valid = CCB_TRANS_BUS_WIDTH_VALID |
2344                             CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2345
2346                         if ((dval & DPARM_SYNC) && oval != 0) {
2347                                 cts->sync_period = pval;
2348                                 cts->sync_offset = oval;
2349                                 cts->valid |=
2350                                     CCB_TRANS_SYNC_RATE_VALID |
2351                                     CCB_TRANS_SYNC_OFFSET_VALID;
2352                         }
2353                         isp_prt(isp, ISP_LOGDEBUG0,
2354                             "GET %s bus %d targ %d to flags %x off %x per %x",
2355                             IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
2356                             bus, tgt, dval, oval, pval);
2357                 }
2358                 ISPLOCK_2_CAMLOCK(isp);
2359                 ccb->ccb_h.status = CAM_REQ_CMP;
2360                 xpt_done(ccb);
2361                 break;
2362
2363         case XPT_CALC_GEOMETRY:
2364         {
2365                 struct ccb_calc_geometry *ccg;
2366                 u_int32_t secs_per_cylinder;
2367                 u_int32_t size_mb;
2368
2369                 ccg = &ccb->ccg;
2370                 if (ccg->block_size == 0) {
2371                         isp_prt(isp, ISP_LOGERR,
2372                             "%d.%d XPT_CALC_GEOMETRY block size 0?",
2373                             ccg->ccb_h.target_id, ccg->ccb_h.target_lun);
2374                         ccb->ccb_h.status = CAM_REQ_INVALID;
2375                         xpt_done(ccb);
2376                         break;
2377                 }
2378                 size_mb = ccg->volume_size /((1024L * 1024L) / ccg->block_size);
2379                 if (size_mb > 1024) {
2380                         ccg->heads = 255;
2381                         ccg->secs_per_track = 63;
2382                 } else {
2383                         ccg->heads = 64;
2384                         ccg->secs_per_track = 32;
2385                 }
2386                 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2387                 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2388                 ccb->ccb_h.status = CAM_REQ_CMP;
2389                 xpt_done(ccb);
2390                 break;
2391         }
2392         case XPT_RESET_BUS:             /* Reset the specified bus */
2393                 bus = cam_sim_bus(sim);
2394                 CAMLOCK_2_ISPLOCK(isp);
2395                 error = isp_control(isp, ISPCTL_RESET_BUS, &bus);
2396                 ISPLOCK_2_CAMLOCK(isp);
2397                 if (error)
2398                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2399                 else {
2400                         if (cam_sim_bus(sim) && isp->isp_path2 != NULL)
2401                                 xpt_async(AC_BUS_RESET, isp->isp_path2, NULL);
2402                         else if (isp->isp_path != NULL)
2403                                 xpt_async(AC_BUS_RESET, isp->isp_path, NULL);
2404                         ccb->ccb_h.status = CAM_REQ_CMP;
2405                 }
2406                 xpt_done(ccb);
2407                 break;
2408
2409         case XPT_TERM_IO:               /* Terminate the I/O process */
2410                 ccb->ccb_h.status = CAM_REQ_INVALID;
2411                 xpt_done(ccb);
2412                 break;
2413
2414         case XPT_PATH_INQ:              /* Path routing inquiry */
2415         {
2416                 struct ccb_pathinq *cpi = &ccb->cpi;
2417
2418                 cpi->version_num = 1;
2419 #ifdef  ISP_TARGET_MODE
2420                 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
2421 #else
2422                 cpi->target_sprt = 0;
2423 #endif
2424                 cpi->hba_eng_cnt = 0;
2425                 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
2426                 cpi->max_lun = ISP_MAX_LUNS(isp) - 1;
2427                 cpi->bus_id = cam_sim_bus(sim);
2428                 if (IS_FC(isp)) {
2429                         cpi->hba_misc = PIM_NOBUSRESET;
2430                         /*
2431                          * Because our loop ID can shift from time to time,
2432                          * make our initiator ID out of range of our bus.
2433                          */
2434                         cpi->initiator_id = cpi->max_target + 1;
2435
2436                         /*
2437                          * Set base transfer capabilities for Fibre Channel.
2438                          * Technically not correct because we don't know
2439                          * what media we're running on top of- but we'll
2440                          * look good if we always say 100MB/s.
2441                          */
2442                         if (FCPARAM(isp)->isp_gbspeed == 2)
2443                                 cpi->base_transfer_speed = 200000;
2444                         else
2445                                 cpi->base_transfer_speed = 100000;
2446                         cpi->hba_inquiry = PI_TAG_ABLE;
2447                 } else {
2448                         sdparam *sdp = isp->isp_param;
2449                         sdp += cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
2450                         cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
2451                         cpi->hba_misc = 0;
2452                         cpi->initiator_id = sdp->isp_initiator_id;
2453                         cpi->base_transfer_speed = 3300;
2454                 }
2455                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2456                 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
2457                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2458                 cpi->unit_number = cam_sim_unit(sim);
2459                 cpi->ccb_h.status = CAM_REQ_CMP;
2460                 xpt_done(ccb);
2461                 break;
2462         }
2463         default:
2464                 ccb->ccb_h.status = CAM_REQ_INVALID;
2465                 xpt_done(ccb);
2466                 break;
2467         }
2468 }
2469
2470 #define ISPDDB  (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
2471 void
2472 isp_done(struct ccb_scsiio *sccb)
2473 {
2474         struct ispsoftc *isp = XS_ISP(sccb);
2475
2476         if (XS_NOERR(sccb))
2477                 XS_SETERR(sccb, CAM_REQ_CMP);
2478
2479         if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP &&
2480             (sccb->scsi_status != SCSI_STATUS_OK)) {
2481                 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
2482                 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) &&
2483                     (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
2484                         sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
2485                 } else {
2486                         sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
2487                 }
2488         }
2489
2490         sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2491         if ((sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2492                 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
2493                         sccb->ccb_h.status |= CAM_DEV_QFRZN;
2494                         xpt_freeze_devq(sccb->ccb_h.path, 1);
2495                         isp_prt(isp, ISP_LOGDEBUG0,
2496                             "freeze devq %d.%d cam sts %x scsi sts %x",
2497                             sccb->ccb_h.target_id, sccb->ccb_h.target_lun,
2498                             sccb->ccb_h.status, sccb->scsi_status);
2499                 }
2500         }
2501
2502         if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) &&
2503             (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2504                 xpt_print_path(sccb->ccb_h.path);
2505                 isp_prt(isp, ISP_LOGINFO,
2506                     "cam completion status 0x%x", sccb->ccb_h.status);
2507         }
2508
2509         XS_CMD_S_DONE(sccb);
2510         if (XS_CMD_WDOG_P(sccb) == 0) {
2511                 untimeout(isp_watchdog, (caddr_t)sccb, sccb->ccb_h.timeout_ch);
2512                 if (XS_CMD_GRACE_P(sccb)) {
2513                         isp_prt(isp, ISP_LOGDEBUG2,
2514                             "finished command on borrowed time");
2515                 }
2516                 XS_CMD_S_CLEAR(sccb);
2517                 ISPLOCK_2_CAMLOCK(isp);
2518                 xpt_done((union ccb *) sccb);
2519                 CAMLOCK_2_ISPLOCK(isp);
2520         }
2521 }
2522
2523 int
2524 isp_async(struct ispsoftc *isp, ispasync_t cmd, void *arg)
2525 {
2526         int bus, rv = 0;
2527         switch (cmd) {
2528         case ISPASYNC_NEW_TGT_PARAMS:
2529         {
2530                 int flags, tgt;
2531                 sdparam *sdp = isp->isp_param;
2532                 struct ccb_trans_settings cts;
2533                 struct cam_path *tmppath;
2534
2535                 bzero(&cts, sizeof (struct ccb_trans_settings));
2536
2537                 tgt = *((int *)arg);
2538                 bus = (tgt >> 16) & 0xffff;
2539                 tgt &= 0xffff;
2540                 sdp += bus;
2541                 ISPLOCK_2_CAMLOCK(isp);
2542                 if (xpt_create_path(&tmppath, NULL,
2543                     cam_sim_path(bus? isp->isp_sim2 : isp->isp_sim),
2544                     tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2545                         CAMLOCK_2_ISPLOCK(isp);
2546                         isp_prt(isp, ISP_LOGWARN,
2547                             "isp_async cannot make temp path for %d.%d",
2548                             tgt, bus);
2549                         rv = -1;
2550                         break;
2551                 }
2552                 CAMLOCK_2_ISPLOCK(isp);
2553                 flags = sdp->isp_devparam[tgt].actv_flags;
2554                 cts.flags = CCB_TRANS_CURRENT_SETTINGS;
2555                 cts.valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2556                 if (flags & DPARM_DISC) {
2557                         cts.flags |= CCB_TRANS_DISC_ENB;
2558                 }
2559                 if (flags & DPARM_TQING) {
2560                         cts.flags |= CCB_TRANS_TAG_ENB;
2561                 }
2562                 cts.valid |= CCB_TRANS_BUS_WIDTH_VALID;
2563                 cts.bus_width = (flags & DPARM_WIDE)?
2564                     MSG_EXT_WDTR_BUS_8_BIT : MSG_EXT_WDTR_BUS_16_BIT;
2565                 cts.sync_period = sdp->isp_devparam[tgt].actv_period;
2566                 cts.sync_offset = sdp->isp_devparam[tgt].actv_offset;
2567                 if (flags & DPARM_SYNC) {
2568                         cts.valid |=
2569                             CCB_TRANS_SYNC_RATE_VALID |
2570                             CCB_TRANS_SYNC_OFFSET_VALID;
2571                 }
2572                 isp_prt(isp, ISP_LOGDEBUG2,
2573                     "NEW_TGT_PARAMS bus %d tgt %d period %x offset %x flags %x",
2574                     bus, tgt, sdp->isp_devparam[tgt].actv_period,
2575                     sdp->isp_devparam[tgt].actv_offset, flags);
2576                 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
2577                 ISPLOCK_2_CAMLOCK(isp);
2578                 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
2579                 xpt_free_path(tmppath);
2580                 CAMLOCK_2_ISPLOCK(isp);
2581                 break;
2582         }
2583         case ISPASYNC_BUS_RESET:
2584                 bus = *((int *)arg);
2585                 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected",
2586                     bus);
2587                 if (bus > 0 && isp->isp_path2) {
2588                         ISPLOCK_2_CAMLOCK(isp);
2589                         xpt_async(AC_BUS_RESET, isp->isp_path2, NULL);
2590                         CAMLOCK_2_ISPLOCK(isp);
2591                 } else if (isp->isp_path) {
2592                         ISPLOCK_2_CAMLOCK(isp);
2593                         xpt_async(AC_BUS_RESET, isp->isp_path, NULL);
2594                         CAMLOCK_2_ISPLOCK(isp);
2595                 }
2596                 break;
2597         case ISPASYNC_LIP:
2598                 if (isp->isp_path) {
2599                         isp_freeze_loopdown(isp, "ISPASYNC_LIP");
2600                 }
2601                 isp_prt(isp, ISP_LOGINFO, "LIP Received");
2602                 break;
2603         case ISPASYNC_LOOP_RESET:
2604                 if (isp->isp_path) {
2605                         isp_freeze_loopdown(isp, "ISPASYNC_LOOP_RESET");
2606                 }
2607                 isp_prt(isp, ISP_LOGINFO, "Loop Reset Received");
2608                 break;
2609         case ISPASYNC_LOOP_DOWN:
2610                 if (isp->isp_path) {
2611                         isp_freeze_loopdown(isp, "ISPASYNC_LOOP_DOWN");
2612                 }
2613                 isp_prt(isp, ISP_LOGINFO, "Loop DOWN");
2614                 break;
2615         case ISPASYNC_LOOP_UP:
2616                 /*
2617                  * Now we just note that Loop has come up. We don't
2618                  * actually do anything because we're waiting for a
2619                  * Change Notify before activating the FC cleanup
2620                  * thread to look at the state of the loop again.
2621                  */
2622                 isp_prt(isp, ISP_LOGINFO, "Loop UP");
2623                 break;
2624         case ISPASYNC_PROMENADE:
2625         {
2626                 const char *fmt = "Target %d (Loop 0x%x) Port ID 0x%x "
2627                     "(role %s) %s\n Port WWN 0x%08x%08x\n Node WWN 0x%08x%08x";
2628                 static const char *roles[4] = {
2629                     "(none)", "Target", "Initiator", "Target/Initiator"
2630                 };
2631                 fcparam *fcp = isp->isp_param;
2632                 int tgt = *((int *) arg);
2633                 struct lportdb *lp = &fcp->portdb[tgt];
2634
2635                 isp_prt(isp, ISP_LOGINFO, fmt, tgt, lp->loopid, lp->portid,
2636                     roles[lp->roles & 0x3],
2637                     (lp->valid)? "Arrived" : "Departed",
2638                     (u_int32_t) (lp->port_wwn >> 32),
2639                     (u_int32_t) (lp->port_wwn & 0xffffffffLL),
2640                     (u_int32_t) (lp->node_wwn >> 32),
2641                     (u_int32_t) (lp->node_wwn & 0xffffffffLL));
2642
2643                 break;
2644         }
2645         case ISPASYNC_CHANGE_NOTIFY:
2646                 if (arg == ISPASYNC_CHANGE_PDB) {
2647                         isp_prt(isp, ISP_LOGINFO,
2648                             "Port Database Changed");
2649                 } else if (arg == ISPASYNC_CHANGE_SNS) {
2650                         isp_prt(isp, ISP_LOGINFO,
2651                             "Name Server Database Changed");
2652                 }
2653                 wakeup(&isp->isp_osinfo.kthread);
2654                 break;
2655         case ISPASYNC_FABRIC_DEV:
2656         {
2657                 int target, base, lim;
2658                 fcparam *fcp = isp->isp_param;
2659                 struct lportdb *lp = NULL;
2660                 struct lportdb *clp = (struct lportdb *) arg;
2661                 char *pt;
2662
2663                 switch (clp->port_type) {
2664                 case 1:
2665                         pt = "   N_Port";
2666                         break;
2667                 case 2:
2668                         pt = "  NL_Port";
2669                         break;
2670                 case 3:
2671                         pt = "F/NL_Port";
2672                         break;
2673                 case 0x7f:
2674                         pt = "  Nx_Port";
2675                         break;
2676                 case 0x81:
2677                         pt = "  F_port";
2678                         break;
2679                 case 0x82:
2680                         pt = "  FL_Port";
2681                         break;
2682                 case 0x84:
2683                         pt = "   E_port";
2684                         break;
2685                 default:
2686                         pt = " ";
2687                         break;
2688                 }
2689
2690                 isp_prt(isp, ISP_LOGINFO,
2691                     "%s Fabric Device @ PortID 0x%x", pt, clp->portid);
2692
2693                 /*
2694                  * If we don't have an initiator role we bail.
2695                  *
2696                  * We just use ISPASYNC_FABRIC_DEV for announcement purposes.
2697                  */
2698
2699                 if ((isp->isp_role & ISP_ROLE_INITIATOR) == 0) {
2700                         break;
2701                 }
2702
2703                 /*
2704                  * Is this entry for us? If so, we bail.
2705                  */
2706
2707                 if (fcp->isp_portid == clp->portid) {
2708                         break;
2709                 }
2710
2711                 /*
2712                  * Else, the default policy is to find room for it in
2713                  * our local port database. Later, when we execute
2714                  * the call to isp_pdb_sync either this newly arrived
2715                  * or already logged in device will be (re)announced.
2716                  */
2717
2718                 if (fcp->isp_topo == TOPO_FL_PORT)
2719                         base = FC_SNS_ID+1;
2720                 else
2721                         base = 0;
2722
2723                 if (fcp->isp_topo == TOPO_N_PORT)
2724                         lim = 1;
2725                 else
2726                         lim = MAX_FC_TARG;
2727
2728                 /*
2729                  * Is it already in our list?
2730                  */
2731                 for (target = base; target < lim; target++) {
2732                         if (target >= FL_PORT_ID && target <= FC_SNS_ID) {
2733                                 continue;
2734                         }
2735                         lp = &fcp->portdb[target];
2736                         if (lp->port_wwn == clp->port_wwn &&
2737                             lp->node_wwn == clp->node_wwn) {
2738                                 lp->fabric_dev = 1;
2739                                 break;
2740                         }
2741                 }
2742                 if (target < lim) {
2743                         break;
2744                 }
2745                 for (target = base; target < lim; target++) {
2746                         if (target >= FL_PORT_ID && target <= FC_SNS_ID) {
2747                                 continue;
2748                         }
2749                         lp = &fcp->portdb[target];
2750                         if (lp->port_wwn == 0) {
2751                                 break;
2752                         }
2753                 }
2754                 if (target == lim) {
2755                         isp_prt(isp, ISP_LOGWARN,
2756                             "out of space for fabric devices");
2757                         break;
2758                 }
2759                 lp->port_type = clp->port_type;
2760                 lp->fc4_type = clp->fc4_type;
2761                 lp->node_wwn = clp->node_wwn;
2762                 lp->port_wwn = clp->port_wwn;
2763                 lp->portid = clp->portid;
2764                 lp->fabric_dev = 1;
2765                 break;
2766         }
2767 #ifdef  ISP_TARGET_MODE
2768         case ISPASYNC_TARGET_MESSAGE:
2769         {
2770                 tmd_msg_t *mp = arg;
2771                 isp_prt(isp, ISP_LOGALL,
2772                     "bus %d iid %d tgt %d lun %d ttype %x tval %x msg[0]=%x",
2773                     mp->nt_bus, (int) mp->nt_iid, (int) mp->nt_tgt,
2774                     (int) mp->nt_lun, mp->nt_tagtype, mp->nt_tagval,
2775                     mp->nt_msg[0]);
2776                 break;
2777         }
2778         case ISPASYNC_TARGET_EVENT:
2779         {
2780                 tmd_event_t *ep = arg;
2781                 isp_prt(isp, ISP_LOGALL,
2782                     "bus %d event code 0x%x", ep->ev_bus, ep->ev_event);
2783                 break;
2784         }
2785         case ISPASYNC_TARGET_ACTION:
2786                 switch (((isphdr_t *)arg)->rqs_entry_type) {
2787                 default:
2788                         isp_prt(isp, ISP_LOGWARN,
2789                            "event 0x%x for unhandled target action",
2790                             ((isphdr_t *)arg)->rqs_entry_type);
2791                         break;
2792                 case RQSTYPE_NOTIFY:
2793                         if (IS_SCSI(isp)) {
2794                                 rv = isp_handle_platform_notify_scsi(isp,
2795                                     (in_entry_t *) arg);
2796                         } else {
2797                                 rv = isp_handle_platform_notify_fc(isp,
2798                                     (in_fcentry_t *) arg);
2799                         }
2800                         break;
2801                 case RQSTYPE_ATIO:
2802                         rv = isp_handle_platform_atio(isp, (at_entry_t *) arg);
2803                         break;
2804                 case RQSTYPE_ATIO2:
2805                         rv = isp_handle_platform_atio2(isp, (at2_entry_t *)arg);
2806                         break;
2807                 case RQSTYPE_CTIO2:
2808                 case RQSTYPE_CTIO:
2809                         rv = isp_handle_platform_ctio(isp, arg);
2810                         break;
2811                 case RQSTYPE_ENABLE_LUN:
2812                 case RQSTYPE_MODIFY_LUN:
2813                         if (IS_DUALBUS(isp)) {
2814                                 bus =
2815                                     GET_BUS_VAL(((lun_entry_t *)arg)->le_rsvd);
2816                         } else {
2817                                 bus = 0;
2818                         }
2819                         isp_cv_signal_rqe(isp, bus,
2820                             ((lun_entry_t *)arg)->le_status);
2821                         break;
2822                 }
2823                 break;
2824 #endif
2825         case ISPASYNC_FW_CRASH:
2826         {
2827                 u_int16_t mbox1, mbox6;
2828                 mbox1 = ISP_READ(isp, OUTMAILBOX1);
2829                 if (IS_DUALBUS(isp)) {
2830                         mbox6 = ISP_READ(isp, OUTMAILBOX6);
2831                 } else {
2832                         mbox6 = 0;
2833                 }
2834                 isp_prt(isp, ISP_LOGERR,
2835                     "Internal Firmware Error on bus %d @ RISC Address 0x%x",
2836                     mbox6, mbox1);
2837 #ifdef  ISP_FW_CRASH_DUMP
2838                 /*
2839                  * XXX: really need a thread to do this right.
2840                  */
2841                 if (IS_FC(isp)) {
2842                         FCPARAM(isp)->isp_fwstate = FW_CONFIG_WAIT;
2843                         FCPARAM(isp)->isp_loopstate = LOOP_NIL;
2844                         isp_freeze_loopdown(isp, "f/w crash");
2845                         isp_fw_dump(isp);
2846                 }
2847                 isp_reinit(isp);
2848                 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
2849 #endif
2850                 break;
2851         }
2852         case ISPASYNC_UNHANDLED_RESPONSE:
2853                 break;
2854         default:
2855                 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
2856                 break;
2857         }
2858         return (rv);
2859 }
2860
2861
2862 /*
2863  * Locks are held before coming here.
2864  */
2865 void
2866 isp_uninit(struct ispsoftc *isp)
2867 {
2868         ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
2869         DISABLE_INTS(isp);
2870 }
2871
2872 void
2873 isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...)
2874 {
2875         __va_list ap;
2876         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
2877                 return;
2878         }
2879         printf("%s: ", device_get_nameunit(isp->isp_dev));
2880         __va_start(ap, fmt);
2881         vprintf(fmt, ap);
2882         __va_end(ap);
2883         printf("\n");
2884 }