sys/dev/isp/isp_freebsd.c

   1 /*-
   2  *
   3  * Copyright (c) 1997-2006 by Matthew Jacob
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice immediately at the beginning of the file, without modification,
  11  *    this list of conditions, and the following disclaimer.
  12  * 2. The name of the author may not be used to endorse or promote products
  13  *    derived from this software without specific prior written permission.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  19  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  */
  27
  28 /*
  29  * Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
  30  */
  31 #include <sys/cdefs.h>
  32 __FBSDID("$FreeBSD$");
  33 #include <dev/isp/isp_freebsd.h>
  34 #include <sys/unistd.h>
  35 #include <sys/kthread.h>
  36 #include <machine/stdarg.h>     /* for use by isp_prt below */
  37 #include <sys/conf.h>
  38 #include <sys/module.h>
  39 #include <sys/ioccom.h>
  40 #include <dev/isp/isp_ioctl.h>
  41 #if     __FreeBSD_version >= 500000
  42 #include <sys/sysctl.h>
  43 #endif
  44 #include <cam/cam_periph.h>
  45 #include <cam/cam_xpt_periph.h>
  46
  47 #if !defined(CAM_NEW_TRAN_CODE) && __FreeBSD_version >= 700025
  48 #define CAM_NEW_TRAN_CODE       1
  49 #endif
  50
  51
  52 MODULE_VERSION(isp, 1);
  53 MODULE_DEPEND(isp, cam, 1, 1, 1);
  54 int isp_announced = 0;
  55 int isp_fabric_hysteresis = 5;
  56 int isp_loop_down_limit = 300;  /* default loop down limit */
  57 int isp_change_is_bad = 0;      /* "changed" devices are bad */
  58 int isp_quickboot_time = 15;    /* don't wait more than N secs for loop up */
  59 int isp_gone_device_time = 30;  /* grace time before reporting device lost */
  60 static const char *roles[4] = {
  61     "(none)", "Target", "Initiator", "Target/Initiator"
  62 };
  63 static const char prom3[] =
  64     "PortID 0x%06x Departed from Target %u because of %s";
  65
  66 static void isp_freeze_loopdown(ispsoftc_t *, char *);
  67 static d_ioctl_t ispioctl;
  68 static void isp_intr_enable(void *);
  69 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
  70 static void isp_poll(struct cam_sim *);
  71 static timeout_t isp_watchdog;
  72 static timeout_t isp_ldt;
  73 static void isp_kthread(void *);
  74 static void isp_action(struct cam_sim *, union ccb *);
  75
  76 #if __FreeBSD_version < 700000
  77 ispfwfunc *isp_get_firmware_p = NULL;
  78 #endif
  79
  80 #if __FreeBSD_version < 500000
  81 #define ISP_CDEV_MAJOR  248
  82 static struct cdevsw isp_cdevsw = {
  83         /* open */      nullopen,
  84         /* close */     nullclose,
  85         /* read */      noread,
  86         /* write */     nowrite,
  87         /* ioctl */     ispioctl,
  88         /* poll */      nopoll,
  89         /* mmap */      nommap,
  90         /* strategy */  nostrategy,
  91         /* name */      "isp",
  92         /* maj */       ISP_CDEV_MAJOR,
  93         /* dump */      nodump,
  94         /* psize */     nopsize,
  95         /* flags */     D_TAPE,
  96 };
  97 #define isp_sysctl_update(x)    do { ; } while (0)
  98 #else
  99 static struct cdevsw isp_cdevsw = {
 100         .d_version =    D_VERSION,
 101         .d_flags =      D_NEEDGIANT,
 102         .d_ioctl =      ispioctl,
 103         .d_name =       "isp",
 104 };
 105 static void isp_sysctl_update(ispsoftc_t *);
 106 #endif
 107
 108 static ispsoftc_t *isplist = NULL;
 109
 110 void
 111 isp_attach(ispsoftc_t *isp)
 112 {
 113         int primary, secondary;
 114         struct ccb_setasync csa;
 115         struct cam_devq *devq;
 116         struct cam_sim *sim;
 117         struct cam_path *path;
 118
 119         /*
 120          * Establish (in case of 12X0) which bus is the primary.
 121          */
 122
 123         primary = 0;
 124         secondary = 1;
 125
 126         /*
 127          * Create the device queue for our SIM(s).
 128          */
 129         devq = cam_simq_alloc(isp->isp_maxcmds);
 130         if (devq == NULL) {
 131                 return;
 132         }
 133
 134         /*
 135          * Construct our SIM entry.
 136          */
 137         ISPLOCK_2_CAMLOCK(isp);
 138         sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
 139             device_get_unit(isp->isp_dev), 1, isp->isp_maxcmds, devq);
 140         if (sim == NULL) {
 141                 cam_simq_free(devq);
 142                 CAMLOCK_2_ISPLOCK(isp);
 143                 return;
 144         }
 145         CAMLOCK_2_ISPLOCK(isp);
 146
 147         isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
 148         isp->isp_osinfo.ehook.ich_arg = isp;
 149         ISPLOCK_2_CAMLOCK(isp);
 150         if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
 151                 cam_sim_free(sim, TRUE);
 152                 CAMLOCK_2_ISPLOCK(isp);
 153                 isp_prt(isp, ISP_LOGERR,
 154                     "could not establish interrupt enable hook");
 155                 return;
 156         }
 157
 158         if (xpt_bus_register(sim, primary) != CAM_SUCCESS) {
 159                 cam_sim_free(sim, TRUE);
 160                 CAMLOCK_2_ISPLOCK(isp);
 161                 return;
 162         }
 163
 164         if (xpt_create_path(&path, NULL, cam_sim_path(sim),
 165             CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 166                 xpt_bus_deregister(cam_sim_path(sim));
 167                 cam_sim_free(sim, TRUE);
 168                 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 169                 CAMLOCK_2_ISPLOCK(isp);
 170                 return;
 171         }
 172
 173         xpt_setup_ccb(&csa.ccb_h, path, 5);
 174         csa.ccb_h.func_code = XPT_SASYNC_CB;
 175         csa.event_enable = AC_LOST_DEVICE;
 176         csa.callback = isp_cam_async;
 177         csa.callback_arg = sim;
 178         xpt_action((union ccb *)&csa);
 179         CAMLOCK_2_ISPLOCK(isp);
 180         isp->isp_sim = sim;
 181         isp->isp_path = path;
 182         /*
 183          * Create a kernel thread for fibre channel instances. We
 184          * don't have dual channel FC cards.
 185          */
 186         if (IS_FC(isp)) {
 187                 ISPLOCK_2_CAMLOCK(isp);
 188 #if __FreeBSD_version >= 500000
 189                 cv_init(&isp->isp_osinfo.kthread_cv, "isp_kthread_cv");
 190                 if (kthread_create(isp_kthread, isp, &isp->isp_osinfo.kproc,
 191                     RFHIGHPID, 0, "%s: fc_thrd",
 192                     device_get_nameunit(isp->isp_dev)))
 193 #else
 194                 if (kthread_create(isp_kthread, isp, &isp->isp_osinfo.kproc,
 195                     "%s: fc_thrd", device_get_nameunit(isp->isp_dev)))
 196 #endif
 197                 {
 198                         xpt_bus_deregister(cam_sim_path(sim));
 199                         cam_sim_free(sim, TRUE);
 200                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 201                         CAMLOCK_2_ISPLOCK(isp);
 202                         isp_prt(isp, ISP_LOGERR, "could not create kthread");
 203                         return;
 204                 }
 205                 CAMLOCK_2_ISPLOCK(isp);
 206                 /*
 207                  * We start by being "loop down" if we have an initiator role
 208                  */
 209                 if (isp->isp_role & ISP_ROLE_INITIATOR) {
 210                         isp_freeze_loopdown(isp, "isp_attach");
 211                         isp->isp_osinfo.ldt =
 212                             timeout(isp_ldt, isp, isp_quickboot_time * hz);
 213                         isp->isp_osinfo.ldt_running = 1;
 214                         isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0,
 215                            "Starting Initial Loop Down Timer");
 216                 }
 217         }
 218
 219
 220         /*
 221          * If we have a second channel, construct SIM entry for that.
 222          */
 223         if (IS_DUALBUS(isp)) {
 224                 ISPLOCK_2_CAMLOCK(isp);
 225                 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
 226                     device_get_unit(isp->isp_dev), 1, isp->isp_maxcmds, devq);
 227                 if (sim == NULL) {
 228                         xpt_bus_deregister(cam_sim_path(isp->isp_sim));
 229                         xpt_free_path(isp->isp_path);
 230                         cam_simq_free(devq);
 231                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 232                         return;
 233                 }
 234                 if (xpt_bus_register(sim, secondary) != CAM_SUCCESS) {
 235                         xpt_bus_deregister(cam_sim_path(isp->isp_sim));
 236                         xpt_free_path(isp->isp_path);
 237                         cam_sim_free(sim, TRUE);
 238                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 239                         CAMLOCK_2_ISPLOCK(isp);
 240                         return;
 241                 }
 242
 243                 if (xpt_create_path(&path, NULL, cam_sim_path(sim),
 244                     CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 245                         xpt_bus_deregister(cam_sim_path(isp->isp_sim));
 246                         xpt_free_path(isp->isp_path);
 247                         xpt_bus_deregister(cam_sim_path(sim));
 248                         cam_sim_free(sim, TRUE);
 249                         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 250                         CAMLOCK_2_ISPLOCK(isp);
 251                         return;
 252                 }
 253
 254                 xpt_setup_ccb(&csa.ccb_h, path, 5);
 255                 csa.ccb_h.func_code = XPT_SASYNC_CB;
 256                 csa.event_enable = AC_LOST_DEVICE;
 257                 csa.callback = isp_cam_async;
 258                 csa.callback_arg = sim;
 259                 xpt_action((union ccb *)&csa);
 260                 CAMLOCK_2_ISPLOCK(isp);
 261                 isp->isp_sim2 = sim;
 262                 isp->isp_path2 = path;
 263         }
 264
 265         /*
 266          * Create device nodes
 267          */
 268         (void) make_dev(&isp_cdevsw, device_get_unit(isp->isp_dev), UID_ROOT,
 269             GID_OPERATOR, 0600, "%s", device_get_nameunit(isp->isp_dev));
 270
 271         if (isp->isp_role != ISP_ROLE_NONE) {
 272                 isp->isp_state = ISP_RUNSTATE;
 273                 ISP_ENABLE_INTS(isp);
 274         }
 275         if (isplist == NULL) {
 276                 isplist = isp;
 277         } else {
 278                 ispsoftc_t *tmp = isplist;
 279                 while (tmp->isp_osinfo.next) {
 280                         tmp = tmp->isp_osinfo.next;
 281                 }
 282                 tmp->isp_osinfo.next = isp;
 283         }
 284         isp_sysctl_update(isp);
 285 }
 286
 287 static void
 288 isp_freeze_loopdown(ispsoftc_t *isp, char *msg)
 289 {
 290         if (isp->isp_osinfo.simqfrozen == 0) {
 291                 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown)", msg);
 292                 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
 293                 ISPLOCK_2_CAMLOCK(isp);
 294                 xpt_freeze_simq(isp->isp_sim, 1);
 295                 CAMLOCK_2_ISPLOCK(isp);
 296         } else {
 297                 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown)", msg);
 298                 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
 299         }
 300 }
 301
 302
 303 #if __FreeBSD_version < 500000
 304 #define _DEV    dev_t
 305 #define _IOP    struct proc
 306 #else
 307 #define _IOP    struct thread
 308 #define _DEV    struct cdev *
 309 #endif
 310
 311 static int
 312 ispioctl(_DEV dev, u_long c, caddr_t addr, int flags, _IOP *td)
 313 {
 314         ispsoftc_t *isp;
 315         int nr, retval = ENOTTY;
 316
 317         isp = isplist;
 318         while (isp) {
 319                 if (minor(dev) == device_get_unit(isp->isp_dev)) {
 320                         break;
 321                 }
 322                 isp = isp->isp_osinfo.next;
 323         }
 324         if (isp == NULL)
 325                 return (ENXIO);
 326
 327         switch (c) {
 328 #ifdef  ISP_FW_CRASH_DUMP
 329         case ISP_GET_FW_CRASH_DUMP:
 330                 if (IS_FC(isp)) {
 331                         uint16_t *ptr = FCPARAM(isp)->isp_dump_data;
 332                         size_t sz;
 333
 334                         retval = 0;
 335                         if (IS_2200(isp)) {
 336                                 sz = QLA2200_RISC_IMAGE_DUMP_SIZE;
 337                         } else {
 338                                 sz = QLA2300_RISC_IMAGE_DUMP_SIZE;
 339                         }
 340                         ISP_LOCK(isp);
 341                         if (ptr && *ptr) {
 342                                 void *uaddr = *((void **) addr);
 343                                 if (copyout(ptr, uaddr, sz)) {
 344                                         retval = EFAULT;
 345                                 } else {
 346                                         *ptr = 0;
 347                                 }
 348                         } else {
 349                                 retval = ENXIO;
 350                         }
 351                         ISP_UNLOCK(isp);
 352                 }
 353                 break;
 354         case ISP_FORCE_CRASH_DUMP:
 355                 if (IS_FC(isp)) {
 356                         ISP_LOCK(isp);
 357                         isp_freeze_loopdown(isp,
 358                             "ispioctl(ISP_FORCE_CRASH_DUMP)");
 359                         isp_fw_dump(isp);
 360                         isp_reinit(isp);
 361                         ISP_UNLOCK(isp);
 362                         retval = 0;
 363                 }
 364                 break;
 365 #endif
 366         case ISP_SDBLEV:
 367         {
 368                 int olddblev = isp->isp_dblev;
 369                 isp->isp_dblev = *(int *)addr;
 370                 *(int *)addr = olddblev;
 371                 retval = 0;
 372                 break;
 373         }
 374         case ISP_GETROLE:
 375                 *(int *)addr = isp->isp_role;
 376                 retval = 0;
 377                 break;
 378         case ISP_SETROLE:
 379                 nr = *(int *)addr;
 380                 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
 381                         retval = EINVAL;
 382                         break;
 383                 }
 384                 *(int *)addr = isp->isp_role;
 385                 isp->isp_role = nr;
 386                 /* FALLTHROUGH */
 387         case ISP_RESETHBA:
 388                 ISP_LOCK(isp);
 389                 isp_reinit(isp);
 390                 ISP_UNLOCK(isp);
 391                 retval = 0;
 392                 break;
 393         case ISP_RESCAN:
 394                 if (IS_FC(isp)) {
 395                         ISP_LOCK(isp);
 396                         if (isp_fc_runstate(isp, 5 * 1000000)) {
 397                                 retval = EIO;
 398                         } else {
 399                                 retval = 0;
 400                         }
 401                         ISP_UNLOCK(isp);
 402                 }
 403                 break;
 404         case ISP_FC_LIP:
 405                 if (IS_FC(isp)) {
 406                         ISP_LOCK(isp);
 407                         if (isp_control(isp, ISPCTL_SEND_LIP, 0)) {
 408                                 retval = EIO;
 409                         } else {
 410                                 retval = 0;
 411                         }
 412                         ISP_UNLOCK(isp);
 413                 }
 414                 break;
 415         case ISP_FC_GETDINFO:
 416         {
 417                 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
 418                 fcportdb_t *lp;
 419
 420                 if (IS_SCSI(isp)) {
 421                         break;
 422                 }
 423                 if (ifc->loopid < 0 || ifc->loopid >= MAX_FC_TARG) {
 424                         retval = EINVAL;
 425                         break;
 426                 }
 427                 ISP_LOCK(isp);
 428                 lp = &FCPARAM(isp)->portdb[ifc->loopid];
 429                 if (lp->state == FC_PORTDB_STATE_VALID) {
 430                         ifc->role = lp->roles;
 431                         ifc->loopid = lp->handle;
 432                         ifc->portid = lp->portid;
 433                         ifc->node_wwn = lp->node_wwn;
 434                         ifc->port_wwn = lp->port_wwn;
 435                         retval = 0;
 436                 } else {
 437                         retval = ENODEV;
 438                 }
 439                 ISP_UNLOCK(isp);
 440                 break;
 441         }
 442         case ISP_GET_STATS:
 443         {
 444                 isp_stats_t *sp = (isp_stats_t *) addr;
 445
 446                 MEMZERO(sp, sizeof (*sp));
 447                 sp->isp_stat_version = ISP_STATS_VERSION;
 448                 sp->isp_type = isp->isp_type;
 449                 sp->isp_revision = isp->isp_revision;
 450                 ISP_LOCK(isp);
 451                 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
 452                 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
 453                 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
 454                 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
 455                 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
 456                 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
 457                 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
 458                 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
 459                 ISP_UNLOCK(isp);
 460                 retval = 0;
 461                 break;
 462         }
 463         case ISP_CLR_STATS:
 464                 ISP_LOCK(isp);
 465                 isp->isp_intcnt = 0;
 466                 isp->isp_intbogus = 0;
 467                 isp->isp_intmboxc = 0;
 468                 isp->isp_intoasync = 0;
 469                 isp->isp_rsltccmplt = 0;
 470                 isp->isp_fphccmplt = 0;
 471                 isp->isp_rscchiwater = 0;
 472                 isp->isp_fpcchiwater = 0;
 473                 ISP_UNLOCK(isp);
 474                 retval = 0;
 475                 break;
 476         case ISP_FC_GETHINFO:
 477         {
 478                 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
 479                 MEMZERO(hba, sizeof (*hba));
 480
 481                 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
 482                 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
 483                 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
 484                 if (IS_FC(isp)) {
 485                         hba->fc_speed = FCPARAM(isp)->isp_gbspeed;
 486                         hba->fc_scsi_supported = 1;
 487                         hba->fc_topology = FCPARAM(isp)->isp_topo + 1;
 488                         hba->fc_loopid = FCPARAM(isp)->isp_loopid;
 489                         hba->nvram_node_wwn = FCPARAM(isp)->isp_wwnn_nvram;
 490                         hba->nvram_port_wwn = FCPARAM(isp)->isp_wwpn_nvram;
 491                         hba->active_node_wwn = ISP_NODEWWN(isp);
 492                         hba->active_port_wwn = ISP_PORTWWN(isp);
 493                 }
 494                 retval = 0;
 495                 break;
 496         }
 497         case ISP_GET_FC_PARAM:
 498         {
 499                 struct isp_fc_param *f = (struct isp_fc_param *) addr;
 500
 501                 if (IS_SCSI(isp)) {
 502                         break;
 503                 }
 504                 f->parameter = 0;
 505                 if (strcmp(f->param_name, "framelength") == 0) {
 506                         f->parameter = FCPARAM(isp)->isp_maxfrmlen;
 507                         retval = 0;
 508                         break;
 509                 }
 510                 if (strcmp(f->param_name, "exec_throttle") == 0) {
 511                         f->parameter = FCPARAM(isp)->isp_execthrottle;
 512                         retval = 0;
 513                         break;
 514                 }
 515                 if (strcmp(f->param_name, "fullduplex") == 0) {
 516                         if (FCPARAM(isp)->isp_fwoptions & ICBOPT_FULL_DUPLEX)
 517                                 f->parameter = 1;
 518                         retval = 0;
 519                         break;
 520                 }
 521                 if (strcmp(f->param_name, "loopid") == 0) {
 522                         f->parameter = FCPARAM(isp)->isp_loopid;
 523                         retval = 0;
 524                         break;
 525                 }
 526                 retval = EINVAL;
 527                 break;
 528         }
 529         case ISP_SET_FC_PARAM:
 530         {
 531                 struct isp_fc_param *f = (struct isp_fc_param *) addr;
 532                 uint32_t param = f->parameter;
 533
 534                 if (IS_SCSI(isp)) {
 535                         break;
 536                 }
 537                 f->parameter = 0;
 538                 if (strcmp(f->param_name, "framelength") == 0) {
 539                         if (param != 512 && param != 1024 && param != 1024) {
 540                                 retval = EINVAL;
 541                                 break;
 542                         }
 543                         FCPARAM(isp)->isp_maxfrmlen = param;
 544                         retval = 0;
 545                         break;
 546                 }
 547                 if (strcmp(f->param_name, "exec_throttle") == 0) {
 548                         if (param < 16 || param > 255) {
 549                                 retval = EINVAL;
 550                                 break;
 551                         }
 552                         FCPARAM(isp)->isp_execthrottle = param;
 553                         retval = 0;
 554                         break;
 555                 }
 556                 if (strcmp(f->param_name, "fullduplex") == 0) {
 557                         if (param != 0 && param != 1) {
 558                                 retval = EINVAL;
 559                                 break;
 560                         }
 561                         if (param) {
 562                                 FCPARAM(isp)->isp_fwoptions |=
 563                                     ICBOPT_FULL_DUPLEX;
 564                         } else {
 565                                 FCPARAM(isp)->isp_fwoptions &=
 566                                     ~ICBOPT_FULL_DUPLEX;
 567                         }
 568                         retval = 0;
 569                         break;
 570                 }
 571                 if (strcmp(f->param_name, "loopid") == 0) {
 572                         if (param < 0 || param > 125) {
 573                                 retval = EINVAL;
 574                                 break;
 575                         }
 576                         FCPARAM(isp)->isp_loopid = param;
 577                         retval = 0;
 578                         break;
 579                 }
 580                 retval = EINVAL;
 581                 break;
 582         }
 583         case ISP_TSK_MGMT:
 584         {
 585                 int needmarker;
 586                 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
 587                 uint16_t loopid;
 588                 mbreg_t mbs;
 589
 590                 if (IS_SCSI(isp)) {
 591                         break;
 592                 }
 593
 594                 memset(&mbs, 0, sizeof (mbs));
 595                 needmarker = retval = 0;
 596                 loopid = fct->loopid;
 597                 if (FCPARAM(isp)->isp_2klogin == 0) {
 598                         loopid <<= 8;
 599                 }
 600                 switch (fct->action) {
 601                 case IPT_CLEAR_ACA:
 602                         mbs.param[0] = MBOX_CLEAR_ACA;
 603                         mbs.param[1] = loopid;
 604                         mbs.param[2] = fct->lun;
 605                         break;
 606                 case IPT_TARGET_RESET:
 607                         mbs.param[0] = MBOX_TARGET_RESET;
 608                         mbs.param[1] = loopid;
 609                         needmarker = 1;
 610                         break;
 611                 case IPT_LUN_RESET:
 612                         mbs.param[0] = MBOX_LUN_RESET;
 613                         mbs.param[1] = loopid;
 614                         mbs.param[2] = fct->lun;
 615                         needmarker = 1;
 616                         break;
 617                 case IPT_CLEAR_TASK_SET:
 618                         mbs.param[0] = MBOX_CLEAR_TASK_SET;
 619                         mbs.param[1] = loopid;
 620                         mbs.param[2] = fct->lun;
 621                         needmarker = 1;
 622                         break;
 623                 case IPT_ABORT_TASK_SET:
 624                         mbs.param[0] = MBOX_ABORT_TASK_SET;
 625                         mbs.param[1] = loopid;
 626                         mbs.param[2] = fct->lun;
 627                         needmarker = 1;
 628                         break;
 629                 default:
 630                         retval = EINVAL;
 631                         break;
 632                 }
 633                 if (retval == 0) {
 634                         ISP_LOCK(isp);
 635                         if (needmarker) {
 636                                 isp->isp_sendmarker |= 1;
 637                         }
 638                         retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
 639                         ISP_UNLOCK(isp);
 640                         if (retval)
 641                                 retval = EIO;
 642                 }
 643                 break;
 644         }
 645         default:
 646                 break;
 647         }
 648         return (retval);
 649 }
 650
 651 #if __FreeBSD_version >= 500000
 652 static void
 653 isp_sysctl_update(ispsoftc_t *isp)
 654 {
 655         struct sysctl_ctx_list *ctx =
 656             device_get_sysctl_ctx(isp->isp_osinfo.dev);
 657         struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
 658
 659         if (IS_SCSI(isp)) {
 660                 return;
 661         }
 662
 663         snprintf(isp->isp_osinfo.sysctl_info.fc.wwnn,
 664             sizeof (isp->isp_osinfo.sysctl_info.fc.wwnn), "0x%08x%08x",
 665             (uint32_t) (ISP_NODEWWN(isp) >> 32), (uint32_t) ISP_NODEWWN(isp));
 666
 667         snprintf(isp->isp_osinfo.sysctl_info.fc.wwpn,
 668             sizeof (isp->isp_osinfo.sysctl_info.fc.wwpn), "0x%08x%08x",
 669             (uint32_t) (ISP_PORTWWN(isp) >> 32), (uint32_t) ISP_PORTWWN(isp));
 670
 671         SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 672                "wwnn", CTLFLAG_RD, isp->isp_osinfo.sysctl_info.fc.wwnn, 0,
 673                "World Wide Node Name");
 674
 675         SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 676                "wwpn", CTLFLAG_RD, isp->isp_osinfo.sysctl_info.fc.wwpn, 0,
 677                "World Wide Port Name");
 678
 679         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 680             "loop_down_limit",
 681             CTLFLAG_RW, &isp->isp_osinfo.loop_down_limit, 0,
 682             "How long to wait for loop to come back up");
 683
 684         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 685             "gone_device_time",
 686             CTLFLAG_RW, &isp->isp_osinfo.gone_device_time, 0,
 687             "How long to wait for a device to reappear");
 688 }
 689 #endif
 690
 691 static void
 692 isp_intr_enable(void *arg)
 693 {
 694         ispsoftc_t *isp = arg;
 695         if (isp->isp_role != ISP_ROLE_NONE) {
 696                 ISP_ENABLE_INTS(isp);
 697         }
 698         /* Release our hook so that the boot can continue. */
 699         config_intrhook_disestablish(&isp->isp_osinfo.ehook);
 700 }
 701
 702 /*
 703  * Put the target mode functions here, because some are inlines
 704  */
 705
 706 #ifdef  ISP_TARGET_MODE
 707
 708 static __inline int is_lun_enabled(ispsoftc_t *, int, lun_id_t);
 709 static __inline int are_any_luns_enabled(ispsoftc_t *, int);
 710 static __inline tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
 711 static __inline void rls_lun_statep(ispsoftc_t *, tstate_t *);
 712 static __inline atio_private_data_t *isp_get_atpd(ispsoftc_t *, int);
 713 static cam_status
 714 create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
 715 static void destroy_lun_state(ispsoftc_t *, tstate_t *);
 716 static int isp_en_lun(ispsoftc_t *, union ccb *);
 717 static void isp_ledone(ispsoftc_t *, lun_entry_t *);
 718 static cam_status isp_abort_tgt_ccb(ispsoftc_t *, union ccb *);
 719 static timeout_t isp_refire_putback_atio;
 720 static void isp_complete_ctio(union ccb *);
 721 static void isp_target_putback_atio(union ccb *);
 722 static void isp_target_start_ctio(ispsoftc_t *, union ccb *);
 723 static int isp_handle_platform_atio(ispsoftc_t *, at_entry_t *);
 724 static int isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
 725 static int isp_handle_platform_ctio(ispsoftc_t *, void *);
 726 static int isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *);
 727 static int isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
 728
 729 static __inline int
 730 is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun)
 731 {
 732         tstate_t *tptr;
 733         tptr = isp->isp_osinfo.lun_hash[LUN_HASH_FUNC(isp, bus, lun)];
 734         if (tptr == NULL) {
 735                 return (0);
 736         }
 737         do {
 738                 if (tptr->lun == (lun_id_t) lun && tptr->bus == bus) {
 739                         return (1);
 740                 }
 741         } while ((tptr = tptr->next) != NULL);
 742         return (0);
 743 }
 744
 745 static __inline int
 746 are_any_luns_enabled(ispsoftc_t *isp, int port)
 747 {
 748         int lo, hi;
 749         if (IS_DUALBUS(isp)) {
 750                 lo = (port * (LUN_HASH_SIZE >> 1));
 751                 hi = lo + (LUN_HASH_SIZE >> 1);
 752         } else {
 753                 lo = 0;
 754                 hi = LUN_HASH_SIZE;
 755         }
 756         for (lo = 0; lo < hi; lo++) {
 757                 if (isp->isp_osinfo.lun_hash[lo]) {
 758                         return (1);
 759                 }
 760         }
 761         return (0);
 762 }
 763
 764 static __inline tstate_t *
 765 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
 766 {
 767         tstate_t *tptr = NULL;
 768
 769         if (lun == CAM_LUN_WILDCARD) {
 770                 if (isp->isp_osinfo.tmflags[bus] & TM_WILDCARD_ENABLED) {
 771                         tptr = &isp->isp_osinfo.tsdflt[bus];
 772                         tptr->hold++;
 773                         return (tptr);
 774                 }
 775                 return (NULL);
 776         } else {
 777                 tptr = isp->isp_osinfo.lun_hash[LUN_HASH_FUNC(isp, bus, lun)];
 778                 if (tptr == NULL) {
 779                         return (NULL);
 780                 }
 781         }
 782
 783         do {
 784                 if (tptr->lun == lun && tptr->bus == bus) {
 785                         tptr->hold++;
 786                         return (tptr);
 787                 }
 788         } while ((tptr = tptr->next) != NULL);
 789         return (tptr);
 790 }
 791
 792 static __inline void
 793 rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr)
 794 {
 795         if (tptr->hold)
 796                 tptr->hold--;
 797 }
 798
 799 static __inline atio_private_data_t *
 800 isp_get_atpd(ispsoftc_t *isp, int tag)
 801 {
 802         atio_private_data_t *atp;
 803         for (atp = isp->isp_osinfo.atpdp;
 804             atp < &isp->isp_osinfo.atpdp[ATPDPSIZE]; atp++) {
 805                 if (atp->tag == tag)
 806                         return (atp);
 807         }
 808         return (NULL);
 809 }
 810
 811 static cam_status
 812 create_lun_state(ispsoftc_t *isp, int bus,
 813     struct cam_path *path, tstate_t **rslt)
 814 {
 815         cam_status status;
 816         lun_id_t lun;
 817         int hfx;
 818         tstate_t *tptr, *new;
 819
 820         lun = xpt_path_lun_id(path);
 821         if (lun < 0) {
 822                 return (CAM_LUN_INVALID);
 823         }
 824         if (is_lun_enabled(isp, bus, lun)) {
 825                 return (CAM_LUN_ALRDY_ENA);
 826         }
 827         new = (tstate_t *) malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
 828         if (new == NULL) {
 829                 return (CAM_RESRC_UNAVAIL);
 830         }
 831
 832         status = xpt_create_path(&new->owner, NULL, xpt_path_path_id(path),
 833             xpt_path_target_id(path), xpt_path_lun_id(path));
 834         if (status != CAM_REQ_CMP) {
 835                 free(new, M_DEVBUF);
 836                 return (status);
 837         }
 838         new->bus = bus;
 839         new->lun = lun;
 840         SLIST_INIT(&new->atios);
 841         SLIST_INIT(&new->inots);
 842         new->hold = 1;
 843
 844         hfx = LUN_HASH_FUNC(isp, new->bus, new->lun);
 845         tptr = isp->isp_osinfo.lun_hash[hfx];
 846         if (tptr == NULL) {
 847                 isp->isp_osinfo.lun_hash[hfx] = new;
 848         } else {
 849                 while (tptr->next)
 850                         tptr = tptr->next;
 851                 tptr->next = new;
 852         }
 853         *rslt = new;
 854         return (CAM_REQ_CMP);
 855 }
 856
 857 static __inline void
 858 destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr)
 859 {
 860         int hfx;
 861         tstate_t *lw, *pw;
 862
 863         if (tptr->hold) {
 864                 return;
 865         }
 866         hfx = LUN_HASH_FUNC(isp, tptr->bus, tptr->lun);
 867         pw = isp->isp_osinfo.lun_hash[hfx];
 868         if (pw == NULL) {
 869                 return;
 870         } else if (pw->lun == tptr->lun && pw->bus == tptr->bus) {
 871                 isp->isp_osinfo.lun_hash[hfx] = pw->next;
 872         } else {
 873                 lw = pw;
 874                 pw = lw->next;
 875                 while (pw) {
 876                         if (pw->lun == tptr->lun && pw->bus == tptr->bus) {
 877                                 lw->next = pw->next;
 878                                 break;
 879                         }
 880                         lw = pw;
 881                         pw = pw->next;
 882                 }
 883                 if (pw == NULL) {
 884                         return;
 885                 }
 886         }
 887         free(tptr, M_DEVBUF);
 888 }
 889
 890 /*
 891  * Enable luns.
 892  */
 893 static int
 894 isp_en_lun(ispsoftc_t *isp, union ccb *ccb)
 895 {
 896         struct ccb_en_lun *cel = &ccb->cel;
 897         tstate_t *tptr;
 898         uint32_t seq;
 899         int bus, cmd, av, wildcard, tm_on;
 900         lun_id_t lun;
 901         target_id_t tgt;
 902
 903         bus = XS_CHANNEL(ccb);
 904         if (bus > 1) {
 905                 xpt_print(ccb->ccb_h.path, "illegal bus %d\n", bus);
 906                 ccb->ccb_h.status = CAM_PATH_INVALID;
 907                 return (-1);
 908         }
 909         tgt = ccb->ccb_h.target_id;
 910         lun = ccb->ccb_h.target_lun;
 911
 912         if (isp->isp_dblev & ISP_LOGTDEBUG0) {
 913                 xpt_print(ccb->ccb_h.path, "%sabling lun 0x%x on channel %d\n",
 914                     cel->enable? "en" : "dis", lun, bus);
 915         }
 916
 917         if ((lun != CAM_LUN_WILDCARD) &&
 918             (lun < 0 || lun >= (lun_id_t) isp->isp_maxluns)) {
 919                 ccb->ccb_h.status = CAM_LUN_INVALID;
 920                 return (-1);
 921         }
 922
 923         if (IS_SCSI(isp)) {
 924                 sdparam *sdp = isp->isp_param;
 925                 sdp += bus;
 926                 if (tgt != CAM_TARGET_WILDCARD &&
 927                     tgt != sdp->isp_initiator_id) {
 928                         ccb->ccb_h.status = CAM_TID_INVALID;
 929                         return (-1);
 930                 }
 931         } else {
 932                 /*
 933                  * There's really no point in doing this yet w/o multi-tid
 934                  * capability. Even then, it's problematic.
 935                  */
 936 #if     0
 937                 if (tgt != CAM_TARGET_WILDCARD &&
 938                     tgt != FCPARAM(isp)->isp_iid) {
 939                         ccb->ccb_h.status = CAM_TID_INVALID;
 940                         return (-1);
 941                 }
 942 #endif
 943                 /*
 944                  * This is as a good a place as any to check f/w capabilities.
 945                  */
 946                 if (FCPARAM(isp)->isp_tmode == 0) {
 947                         xpt_print(ccb->ccb_h.path,
 948                             "firmware does not support target mode\n");
 949                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 950                         return (-1);
 951                 }
 952                 /*
 953                  * XXX: We *could* handle non-SCCLUN f/w, but we'd have to
 954                  * XXX: dork with our already fragile enable/disable code.
 955                  */
 956                 if (FCPARAM(isp)->isp_sccfw == 0) {
 957                         xpt_print(ccb->ccb_h.path,
 958                             "firmware not SCCLUN capable\n");
 959                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 960                         return (-1);
 961                 }
 962         }
 963
 964         if (tgt == CAM_TARGET_WILDCARD) {
 965                 if (lun == CAM_LUN_WILDCARD) {
 966                         wildcard = 1;
 967                 } else {
 968                         ccb->ccb_h.status = CAM_LUN_INVALID;
 969                         return (-1);
 970                 }
 971         } else {
 972                 wildcard = 0;
 973         }
 974
 975         tm_on = (isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED) != 0;
 976
 977         /*
 978          * Next check to see whether this is a target/lun wildcard action.
 979          *
 980          * If so, we know that we can accept commands for luns that haven't
 981          * been enabled yet and send them upstream. Otherwise, we have to
 982          * handle them locally (if we see them at all).
 983          */
 984
 985         if (wildcard) {
 986                 tptr = &isp->isp_osinfo.tsdflt[bus];
 987                 if (cel->enable) {
 988                         if (tm_on) {
 989                                 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
 990                                 return (-1);
 991                         }
 992                         ccb->ccb_h.status =
 993                             xpt_create_path(&tptr->owner, NULL,
 994                             xpt_path_path_id(ccb->ccb_h.path),
 995                             xpt_path_target_id(ccb->ccb_h.path),
 996                             xpt_path_lun_id(ccb->ccb_h.path));
 997                         if (ccb->ccb_h.status != CAM_REQ_CMP) {
 998                                 return (-1);
 999                         }
1000                         SLIST_INIT(&tptr->atios);
1001                         SLIST_INIT(&tptr->inots);
1002                         isp->isp_osinfo.tmflags[bus] |= TM_WILDCARD_ENABLED;
1003                 } else {
1004                         if (tm_on == 0) {
1005                                 ccb->ccb_h.status = CAM_REQ_CMP;
1006                                 return (-1);
1007                         }
1008                         if (tptr->hold) {
1009                                 ccb->ccb_h.status = CAM_SCSI_BUSY;
1010                                 return (-1);
1011                         }
1012                         xpt_free_path(tptr->owner);
1013                         isp->isp_osinfo.tmflags[bus] &= ~TM_WILDCARD_ENABLED;
1014                 }
1015         }
1016
1017         /*
1018          * Now check to see whether this bus needs to be
1019          * enabled/disabled with respect to target mode.
1020          */
1021         av = bus << 31;
1022         if (cel->enable && tm_on == 0) {
1023                 av |= ENABLE_TARGET_FLAG;
1024                 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
1025                 if (av) {
1026                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1027                         if (wildcard) {
1028                                 isp->isp_osinfo.tmflags[bus] &=
1029                                     ~TM_WILDCARD_ENABLED;
1030                                 xpt_free_path(tptr->owner);
1031                         }
1032                         return (-1);
1033                 }
1034                 isp->isp_osinfo.tmflags[bus] |= TM_TMODE_ENABLED;
1035                 xpt_print(ccb->ccb_h.path, "Target Mode Enabled\n");
1036         } else if (cel->enable == 0 && tm_on && wildcard) {
1037                 if (are_any_luns_enabled(isp, bus)) {
1038                         ccb->ccb_h.status = CAM_SCSI_BUSY;
1039                         return (-1);
1040                 }
1041                 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
1042                 if (av) {
1043                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1044                         return (-1);
1045                 }
1046                 isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED;
1047                 xpt_print(ccb->ccb_h.path, "Target Mode Disabled\n");
1048         }
1049
1050         if (wildcard) {
1051                 ccb->ccb_h.status = CAM_REQ_CMP;
1052                 return (-1);
1053         }
1054
1055         /*
1056          * Find an empty slot
1057          */
1058         for (seq = 0; seq < NLEACT; seq++) {
1059                 if (isp->isp_osinfo.leact[seq] == 0) {
1060                         break;
1061                 }
1062         }
1063         if (seq >= NLEACT) {
1064                 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
1065                 return (-1);
1066
1067         }
1068         isp->isp_osinfo.leact[seq] = ccb;
1069
1070         if (cel->enable) {
1071                 ccb->ccb_h.status =
1072                     create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1073                 if (ccb->ccb_h.status != CAM_REQ_CMP) {
1074                         isp->isp_osinfo.leact[seq] = 0;
1075                         return (-1);
1076                 }
1077         } else {
1078                 tptr = get_lun_statep(isp, bus, lun);
1079                 if (tptr == NULL) {
1080                         ccb->ccb_h.status = CAM_LUN_INVALID;
1081                         return (-1);
1082                 }
1083         }
1084
1085         if (cel->enable) {
1086                 int c, n, ulun = lun;
1087
1088                 cmd = RQSTYPE_ENABLE_LUN;
1089                 c = DFLT_CMND_CNT;
1090                 n = DFLT_INOT_CNT;
1091                 if (IS_FC(isp) && lun != 0) {
1092                         cmd = RQSTYPE_MODIFY_LUN;
1093                         n = 0;
1094                         /*
1095                          * For SCC firmware, we only deal with setting
1096                          * (enabling or modifying) lun 0.
1097                          */
1098                         ulun = 0;
1099                 }
1100                 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq+1) == 0) {
1101                         rls_lun_statep(isp, tptr);
1102                         ccb->ccb_h.status = CAM_REQ_INPROG;
1103                         return (seq);
1104                 }
1105         } else {
1106                 int c, n, ulun = lun;
1107
1108                 cmd = -RQSTYPE_MODIFY_LUN;
1109                 c = DFLT_CMND_CNT;
1110                 n = DFLT_INOT_CNT;
1111                 if (IS_FC(isp) && lun != 0) {
1112                         n = 0;
1113                         /*
1114                          * For SCC firmware, we only deal with setting
1115                          * (enabling or modifying) lun 0.
1116                          */
1117                         ulun = 0;
1118                 }
1119                 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq+1) == 0) {
1120                         rls_lun_statep(isp, tptr);
1121                         ccb->ccb_h.status = CAM_REQ_INPROG;
1122                         return (seq);
1123                 }
1124         }
1125         rls_lun_statep(isp, tptr);
1126         xpt_print(ccb->ccb_h.path, "isp_lun_cmd failed\n");
1127         isp->isp_osinfo.leact[seq] = 0;
1128         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1129         return (-1);
1130 }
1131
1132 static void
1133 isp_ledone(ispsoftc_t *isp, lun_entry_t *lep)
1134 {
1135         const char lfmt[] = "now %sabled for target mode";
1136         union ccb *ccb;
1137         uint32_t seq;
1138         tstate_t *tptr;
1139         int av;
1140         struct ccb_en_lun *cel;
1141
1142         seq = lep->le_reserved - 1;
1143         if (seq >= NLEACT) {
1144                 isp_prt(isp, ISP_LOGERR,
1145                     "seq out of range (%u) in isp_ledone", seq);
1146                 return;
1147         }
1148         ccb = isp->isp_osinfo.leact[seq];
1149         if (ccb == 0) {
1150                 isp_prt(isp, ISP_LOGERR,
1151                     "no ccb for seq %u in isp_ledone", seq);
1152                 return;
1153         }
1154         cel = &ccb->cel;
1155         tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb));
1156         if (tptr == NULL) {
1157                 xpt_print(ccb->ccb_h.path, "null tptr in isp_ledone\n");
1158                 isp->isp_osinfo.leact[seq] = 0;
1159                 return;
1160         }
1161
1162         if (lep->le_status != LUN_OK) {
1163                 xpt_print(ccb->ccb_h.path,
1164                     "ENABLE/MODIFY LUN returned 0x%x\n", lep->le_status);
1165 err:
1166                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1167                 rls_lun_statep(isp, tptr);
1168                 isp->isp_osinfo.leact[seq] = 0;
1169                 ISPLOCK_2_CAMLOCK(isp);
1170                 xpt_done(ccb);
1171                 CAMLOCK_2_ISPLOCK(isp);
1172                 return;
1173         } else {
1174                 isp_prt(isp, ISP_LOGTDEBUG0,
1175                     "isp_ledone: ENABLE/MODIFY done okay");
1176         }
1177
1178
1179         if (cel->enable) {
1180                 ccb->ccb_h.status = CAM_REQ_CMP;
1181                 xpt_print(ccb->ccb_h.path, lfmt, "en");
1182                 rls_lun_statep(isp, tptr);
1183                 isp->isp_osinfo.leact[seq] = 0;
1184                 ISPLOCK_2_CAMLOCK(isp);
1185                 xpt_done(ccb);
1186                 CAMLOCK_2_ISPLOCK(isp);
1187                 return;
1188         }
1189
1190         if (lep->le_header.rqs_entry_type == RQSTYPE_MODIFY_LUN) {
1191                 if (isp_lun_cmd(isp, -RQSTYPE_ENABLE_LUN, XS_CHANNEL(ccb),
1192                     XS_TGT(ccb), XS_LUN(ccb), 0, 0, seq+1)) {
1193                         xpt_print(ccb->ccb_h.path,
1194                             "isp_ledone: isp_lun_cmd failed\n");
1195                         goto err;
1196                 }
1197                 rls_lun_statep(isp, tptr);
1198                 return;
1199         }
1200
1201         xpt_print(ccb->ccb_h.path, lfmt, "dis");
1202         rls_lun_statep(isp, tptr);
1203         destroy_lun_state(isp, tptr);
1204         ccb->ccb_h.status = CAM_REQ_CMP;
1205         isp->isp_osinfo.leact[seq] = 0;
1206         ISPLOCK_2_CAMLOCK(isp);
1207         xpt_done(ccb);
1208         CAMLOCK_2_ISPLOCK(isp);
1209         if (are_any_luns_enabled(isp, XS_CHANNEL(ccb)) == 0) {
1210                 int bus = XS_CHANNEL(ccb);
1211                 av = bus << 31;
1212                 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
1213                 if (av) {
1214                         isp_prt(isp, ISP_LOGWARN,
1215                             "disable target mode on channel %d failed", bus);
1216                 }
1217                 isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED;
1218         }
1219 }
1220
1221
1222 static cam_status
1223 isp_abort_tgt_ccb(ispsoftc_t *isp, union ccb *ccb)
1224 {
1225         tstate_t *tptr;
1226         struct ccb_hdr_slist *lp;
1227         struct ccb_hdr *curelm;
1228         int found, *ctr;
1229         union ccb *accb = ccb->cab.abort_ccb;
1230
1231         xpt_print(ccb->ccb_h.path, "aborting ccb %p\n", accb);
1232         if (accb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
1233                 int badpath = 0;
1234                 if (IS_FC(isp) && (accb->ccb_h.target_id !=
1235                     ((fcparam *) isp->isp_param)->isp_loopid)) {
1236                         badpath = 1;
1237                 } else if (IS_SCSI(isp) && (accb->ccb_h.target_id !=
1238                     ((sdparam *) isp->isp_param)->isp_initiator_id)) {
1239                         badpath = 1;
1240                 }
1241                 if (badpath) {
1242                         /*
1243                          * Being restrictive about target ids is really about
1244                          * making sure we're aborting for the right multi-tid
1245                          * path. This doesn't really make much sense at present.
1246                          */
1247 #if     0
1248                         return (CAM_PATH_INVALID);
1249 #endif
1250                 }
1251         }
1252         tptr = get_lun_statep(isp, XS_CHANNEL(ccb), accb->ccb_h.target_lun);
1253         if (tptr == NULL) {
1254                 xpt_print(ccb->ccb_h.path, "can't get statep\n");
1255                 return (CAM_PATH_INVALID);
1256         }
1257         if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
1258                 lp = &tptr->atios;
1259                 ctr = &tptr->atio_count;
1260         } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
1261                 lp = &tptr->inots;
1262                 ctr = &tptr->inot_count;
1263         } else {
1264                 rls_lun_statep(isp, tptr);
1265                 xpt_print(ccb->ccb_h.path, "bad function code %d\n",
1266                     accb->ccb_h.func_code);
1267                 return (CAM_UA_ABORT);
1268         }
1269         curelm = SLIST_FIRST(lp);
1270         found = 0;
1271         if (curelm == &accb->ccb_h) {
1272                 found = 1;
1273                 SLIST_REMOVE_HEAD(lp, sim_links.sle);
1274         } else {
1275                 while(curelm != NULL) {
1276                         struct ccb_hdr *nextelm;
1277
1278                         nextelm = SLIST_NEXT(curelm, sim_links.sle);
1279                         if (nextelm == &accb->ccb_h) {
1280                                 found = 1;
1281                                 SLIST_NEXT(curelm, sim_links.sle) =
1282                                     SLIST_NEXT(nextelm, sim_links.sle);
1283                                 break;
1284                         }
1285                         curelm = nextelm;
1286                 }
1287         }
1288         rls_lun_statep(isp, tptr);
1289         if (found) {
1290                 (*ctr)--;
1291                 accb->ccb_h.status = CAM_REQ_ABORTED;
1292                 xpt_done(accb);
1293                 return (CAM_REQ_CMP);
1294         }
1295         xpt_print(ccb->ccb_h.path, "ccb %p not found\n", accb);
1296         return (CAM_PATH_INVALID);
1297 }
1298
1299 static void
1300 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb)
1301 {
1302         void *qe;
1303         struct ccb_scsiio *cso = &ccb->csio;
1304         uint32_t nxti, optr, handle;
1305         uint8_t local[QENTRY_LEN];
1306
1307
1308         if (isp_getrqentry(isp, &nxti, &optr, &qe)) {
1309                 xpt_print(ccb->ccb_h.path,
1310                     "Request Queue Overflow in isp_target_start_ctio\n");
1311                 XS_SETERR(ccb, CAM_REQUEUE_REQ);
1312                 goto out;
1313         }
1314         memset(local, 0, QENTRY_LEN);
1315
1316         /*
1317          * We're either moving data or completing a command here.
1318          */
1319
1320         if (IS_FC(isp)) {
1321                 atio_private_data_t *atp;
1322                 ct2_entry_t *cto = (ct2_entry_t *) local;
1323
1324                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1325                 cto->ct_header.rqs_entry_count = 1;
1326                 if (FCPARAM(isp)->isp_2klogin) {
1327                         ((ct2e_entry_t *)cto)->ct_iid = cso->init_id;
1328                 } else {
1329                         cto->ct_iid = cso->init_id;
1330                         if (FCPARAM(isp)->isp_sccfw == 0) {
1331                                 cto->ct_lun = ccb->ccb_h.target_lun;
1332                         }
1333                 }
1334
1335                 atp = isp_get_atpd(isp, cso->tag_id);
1336                 if (atp == NULL) {
1337                         xpt_print(ccb->ccb_h.path,
1338                             "cannot find private data adjunct for tag %x\n",
1339                             cso->tag_id);
1340                         XS_SETERR(ccb, CAM_REQ_CMP_ERR);
1341                         goto out;
1342                 }
1343
1344                 cto->ct_rxid = cso->tag_id;
1345                 if (cso->dxfer_len == 0) {
1346                         cto->ct_flags |= CT2_FLAG_MODE1 | CT2_NO_DATA;
1347                         if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1348                                 cto->ct_flags |= CT2_SENDSTATUS;
1349                                 cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1350                                 cto->ct_resid =
1351                                     atp->orig_datalen - atp->bytes_xfered;
1352                                 if (cto->ct_resid < 0) {
1353                                         cto->rsp.m1.ct_scsi_status |=
1354                                             CT2_DATA_OVER;
1355                                 } else if (cto->ct_resid > 0) {
1356                                         cto->rsp.m1.ct_scsi_status |=
1357                                             CT2_DATA_UNDER;
1358                                 }
1359                         }
1360                         if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) {
1361                                 int m = min(cso->sense_len, MAXRESPLEN);
1362                                 memcpy(cto->rsp.m1.ct_resp,
1363                                     &cso->sense_data, m);
1364                                 cto->rsp.m1.ct_senselen = m;
1365                                 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1366                         }
1367                 } else {
1368                         cto->ct_flags |= CT2_FLAG_MODE0;
1369                         if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1370                                 cto->ct_flags |= CT2_DATA_IN;
1371                         } else {
1372                                 cto->ct_flags |= CT2_DATA_OUT;
1373                         }
1374                         cto->ct_reloff = atp->bytes_xfered;
1375                         if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
1376                                 cto->ct_flags |= CT2_SENDSTATUS;
1377                                 cto->rsp.m0.ct_scsi_status = cso->scsi_status;
1378                                 cto->ct_resid =
1379                                     atp->orig_datalen -
1380                                     (atp->bytes_xfered + cso->dxfer_len);
1381                                 if (cto->ct_resid < 0) {
1382                                         cto->rsp.m0.ct_scsi_status |=
1383                                             CT2_DATA_OVER;
1384                                 } else if (cto->ct_resid > 0) {
1385                                         cto->rsp.m0.ct_scsi_status |=
1386                                             CT2_DATA_UNDER;
1387                                 }
1388                         } else {
1389                                 atp->last_xframt = cso->dxfer_len;
1390                         }
1391                         /*
1392                          * If we're sending data and status back together,
1393                          * we can't also send back sense data as well.
1394                          */
1395                         ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1396                 }
1397
1398                 if (cto->ct_flags & CT2_SENDSTATUS) {
1399                         isp_prt(isp, ISP_LOGTDEBUG0,
1400                             "CTIO2[%x] STATUS %x origd %u curd %u resid %u",
1401                             cto->ct_rxid, cso->scsi_status, atp->orig_datalen,
1402                             cso->dxfer_len, cto->ct_resid);
1403                         cto->ct_flags |= CT2_CCINCR;
1404                         atp->state = ATPD_STATE_LAST_CTIO;
1405                 } else {
1406                         atp->state = ATPD_STATE_CTIO;
1407                 }
1408                 cto->ct_timeout = 10;
1409         } else {
1410                 ct_entry_t *cto = (ct_entry_t *) local;
1411
1412                 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO;
1413                 cto->ct_header.rqs_entry_count = 1;
1414                 cto->ct_iid = cso->init_id;
1415                 cto->ct_iid |= XS_CHANNEL(ccb) << 7;
1416                 cto->ct_tgt = ccb->ccb_h.target_id;
1417                 cto->ct_lun = ccb->ccb_h.target_lun;
1418                 cto->ct_fwhandle = AT_GET_HANDLE(cso->tag_id);
1419                 if (AT_HAS_TAG(cso->tag_id)) {
1420                         cto->ct_tag_val = (uint8_t) AT_GET_TAG(cso->tag_id);
1421                         cto->ct_flags |= CT_TQAE;
1422                 }
1423                 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
1424                         cto->ct_flags |= CT_NODISC;
1425                 }
1426                 if (cso->dxfer_len == 0) {
1427                         cto->ct_flags |= CT_NO_DATA;
1428                 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1429                         cto->ct_flags |= CT_DATA_IN;
1430                 } else {
1431                         cto->ct_flags |= CT_DATA_OUT;
1432                 }
1433                 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1434                         cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR;
1435                         cto->ct_scsi_status = cso->scsi_status;
1436                         cto->ct_resid = cso->resid;
1437                         isp_prt(isp, ISP_LOGTDEBUG0,
1438                             "CTIO[%x] SCSI STATUS 0x%x resid %d tag_id %x",
1439                             cto->ct_fwhandle, cso->scsi_status, cso->resid,
1440                             cso->tag_id);
1441                 }
1442                 ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1443                 cto->ct_timeout = 10;
1444         }
1445
1446         if (isp_save_xs_tgt(isp, ccb, &handle)) {
1447                 xpt_print(ccb->ccb_h.path,
1448                     "No XFLIST pointers for isp_target_start_ctio\n");
1449                 XS_SETERR(ccb, CAM_REQUEUE_REQ);
1450                 goto out;
1451         }
1452
1453
1454         /*
1455          * Call the dma setup routines for this entry (and any subsequent
1456          * CTIOs) if there's data to move, and then tell the f/w it's got
1457          * new things to play with. As with isp_start's usage of DMA setup,
1458          * any swizzling is done in the machine dependent layer. Because
1459          * of this, we put the request onto the queue area first in native
1460          * format.
1461          */
1462
1463         if (IS_FC(isp)) {
1464                 ct2_entry_t *cto = (ct2_entry_t *) local;
1465                 cto->ct_syshandle = handle;
1466         } else {
1467                 ct_entry_t *cto = (ct_entry_t *) local;
1468                 cto->ct_syshandle = handle;
1469         }
1470
1471         switch (ISP_DMASETUP(isp, cso, (ispreq_t *) local, &nxti, optr)) {
1472         case CMD_QUEUED:
1473                 ISP_ADD_REQUEST(isp, nxti);
1474                 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1475                 return;
1476
1477         case CMD_EAGAIN:
1478                 XS_SETERR(ccb, CAM_REQUEUE_REQ);
1479                 break;
1480
1481         default:
1482                 break;
1483         }
1484         isp_destroy_tgt_handle(isp, handle);
1485
1486 out:
1487         ISPLOCK_2_CAMLOCK(isp);
1488         xpt_done(ccb);
1489         CAMLOCK_2_ISPLOCK(isp);
1490 }
1491
1492 static void
1493 isp_refire_putback_atio(void *arg)
1494 {
1495         int s = splcam();
1496         isp_target_putback_atio(arg);
1497         splx(s);
1498 }
1499
1500 static void
1501 isp_target_putback_atio(union ccb *ccb)
1502 {
1503         ispsoftc_t *isp;
1504         struct ccb_scsiio *cso;
1505         uint32_t nxti, optr;
1506         void *qe;
1507
1508         isp = XS_ISP(ccb);
1509
1510         if (isp_getrqentry(isp, &nxti, &optr, &qe)) {
1511                 xpt_print(ccb->ccb_h.path,
1512                     "isp_target_putback_atio: Request Queue Overflow\n");
1513                 (void) timeout(isp_refire_putback_atio, ccb, 10);
1514                 return;
1515         }
1516         memset(qe, 0, QENTRY_LEN);
1517         cso = &ccb->csio;
1518         if (IS_FC(isp)) {
1519                 at2_entry_t local, *at = &local;
1520                 MEMZERO(at, sizeof (at2_entry_t));
1521                 at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1522                 at->at_header.rqs_entry_count = 1;
1523                 if (FCPARAM(isp)->isp_sccfw) {
1524                         at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1525                 } else {
1526                         at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1527                 }
1528                 at->at_status = CT_OK;
1529                 at->at_rxid = cso->tag_id;
1530                 at->at_iid = cso->ccb_h.target_id;
1531                 isp_put_atio2(isp, at, qe);
1532         } else {
1533                 at_entry_t local, *at = &local;
1534                 MEMZERO(at, sizeof (at_entry_t));
1535                 at->at_header.rqs_entry_type = RQSTYPE_ATIO;
1536                 at->at_header.rqs_entry_count = 1;
1537                 at->at_iid = cso->init_id;
1538                 at->at_iid |= XS_CHANNEL(ccb) << 7;
1539                 at->at_tgt = cso->ccb_h.target_id;
1540                 at->at_lun = cso->ccb_h.target_lun;
1541                 at->at_status = CT_OK;
1542                 at->at_tag_val = AT_GET_TAG(cso->tag_id);
1543                 at->at_handle = AT_GET_HANDLE(cso->tag_id);
1544                 isp_put_atio(isp, at, qe);
1545         }
1546         ISP_TDQE(isp, "isp_target_putback_atio", (int) optr, qe);
1547         ISP_ADD_REQUEST(isp, nxti);
1548         isp_complete_ctio(ccb);
1549 }
1550
1551 static void
1552 isp_complete_ctio(union ccb *ccb)
1553 {
1554         ISPLOCK_2_CAMLOCK(isp);
1555         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1556                 ccb->ccb_h.status |= CAM_REQ_CMP;
1557         }
1558         ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1559         xpt_done(ccb);
1560         CAMLOCK_2_ISPLOCK(isp);
1561 }
1562
1563 /*
1564  * Handle ATIO stuff that the generic code can't.
1565  * This means handling CDBs.
1566  */
1567
1568 static int
1569 isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep)
1570 {
1571         tstate_t *tptr;
1572         int status, bus, iswildcard;
1573         struct ccb_accept_tio *atiop;
1574
1575         /*
1576          * The firmware status (except for the QLTM_SVALID bit)
1577          * indicates why this ATIO was sent to us.
1578          *
1579          * If QLTM_SVALID is set, the firware has recommended Sense Data.
1580          *
1581          * If the DISCONNECTS DISABLED bit is set in the flags field,
1582          * we're still connected on the SCSI bus.
1583          */
1584         status = aep->at_status;
1585         if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) {
1586                 /*
1587                  * Bus Phase Sequence error. We should have sense data
1588                  * suggested by the f/w. I'm not sure quite yet what
1589                  * to do about this for CAM.
1590                  */
1591                 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR");
1592                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1593                 return (0);
1594         }
1595         if ((status & ~QLTM_SVALID) != AT_CDB) {
1596                 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform",
1597                     status);
1598                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1599                 return (0);
1600         }
1601
1602         bus = GET_BUS_VAL(aep->at_iid);
1603         tptr = get_lun_statep(isp, bus, aep->at_lun);
1604         if (tptr == NULL) {
1605                 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
1606                 if (tptr == NULL) {
1607                         /*
1608                          * Because we can't autofeed sense data back with
1609                          * a command for parallel SCSI, we can't give back
1610                          * a CHECK CONDITION. We'll give back a BUSY status
1611                          * instead. This works out okay because the only
1612                          * time we should, in fact, get this, is in the
1613                          * case that somebody configured us without the
1614                          * blackhole driver, so they get what they deserve.
1615                          */
1616                         isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1617                         return (0);
1618                 }
1619                 iswildcard = 1;
1620         } else {
1621                 iswildcard = 0;
1622         }
1623
1624         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1625         if (atiop == NULL) {
1626                 /*
1627                  * Because we can't autofeed sense data back with
1628                  * a command for parallel SCSI, we can't give back
1629                  * a CHECK CONDITION. We'll give back a QUEUE FULL status
1630                  * instead. This works out okay because the only time we
1631                  * should, in fact, get this, is in the case that we've
1632                  * run out of ATIOS.
1633                  */
1634                 xpt_print(tptr->owner,
1635                     "no ATIOS for lun %d from initiator %d on channel %d\n",
1636                     aep->at_lun, GET_IID_VAL(aep->at_iid), bus);
1637                 if (aep->at_flags & AT_TQAE)
1638                         isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0);
1639                 else
1640                         isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1641                 rls_lun_statep(isp, tptr);
1642                 return (0);
1643         }
1644         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1645         tptr->atio_count--;
1646         isp_prt(isp, ISP_LOGTDEBUG0, "Take FREE ATIO lun %d, count now %d",
1647             aep->at_lun, tptr->atio_count);
1648         if (iswildcard) {
1649                 atiop->ccb_h.target_id = aep->at_tgt;
1650                 atiop->ccb_h.target_lun = aep->at_lun;
1651         }
1652         if (aep->at_flags & AT_NODISC) {
1653                 atiop->ccb_h.flags = CAM_DIS_DISCONNECT;
1654         } else {
1655                 atiop->ccb_h.flags = 0;
1656         }
1657
1658         if (status & QLTM_SVALID) {
1659                 size_t amt = imin(QLTM_SENSELEN, sizeof (atiop->sense_data));
1660                 atiop->sense_len = amt;
1661                 MEMCPY(&atiop->sense_data, aep->at_sense, amt);
1662         } else {
1663                 atiop->sense_len = 0;
1664         }
1665
1666         atiop->init_id = GET_IID_VAL(aep->at_iid);
1667         atiop->cdb_len = aep->at_cdblen;
1668         MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen);
1669         atiop->ccb_h.status = CAM_CDB_RECVD;
1670         /*
1671          * Construct a tag 'id' based upon tag value (which may be 0..255)
1672          * and the handle (which we have to preserve).
1673          */
1674         AT_MAKE_TAGID(atiop->tag_id, bus, device_get_unit(isp->isp_dev), aep);
1675         if (aep->at_flags & AT_TQAE) {
1676                 atiop->tag_action = aep->at_tag_type;
1677                 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID;
1678         }
1679         xpt_done((union ccb*)atiop);
1680         isp_prt(isp, ISP_LOGTDEBUG0,
1681             "ATIO[%x] CDB=0x%x bus %d iid%d->lun%d tag 0x%x ttype 0x%x %s",
1682             aep->at_handle, aep->at_cdb[0] & 0xff, GET_BUS_VAL(aep->at_iid),
1683             GET_IID_VAL(aep->at_iid), aep->at_lun, aep->at_tag_val & 0xff,
1684             aep->at_tag_type, (aep->at_flags & AT_NODISC)?
1685             "nondisc" : "disconnecting");
1686         rls_lun_statep(isp, tptr);
1687         return (0);
1688 }
1689
1690 static int
1691 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1692 {
1693         lun_id_t lun;
1694         tstate_t *tptr;
1695         struct ccb_accept_tio *atiop;
1696         atio_private_data_t *atp;
1697
1698         /*
1699          * The firmware status (except for the QLTM_SVALID bit)
1700          * indicates why this ATIO was sent to us.
1701          *
1702          * If QLTM_SVALID is set, the firware has recommended Sense Data.
1703          */
1704         if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1705                 isp_prt(isp, ISP_LOGWARN,
1706                     "bogus atio (0x%x) leaked to platform", aep->at_status);
1707                 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1708                 return (0);
1709         }
1710
1711         if (FCPARAM(isp)->isp_sccfw) {
1712                 lun = aep->at_scclun;
1713         } else {
1714                 lun = aep->at_lun;
1715         }
1716         tptr = get_lun_statep(isp, 0, lun);
1717         if (tptr == NULL) {
1718                 isp_prt(isp, ISP_LOGTDEBUG0,
1719                     "[0x%x] no state pointer for lun %d", aep->at_rxid, lun);
1720                 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1721                 if (tptr == NULL) {
1722                         isp_endcmd(isp, aep,
1723                             SCSI_STATUS_CHECK_COND | ECMD_SVALID |
1724                             (0x5 << 12) | (0x25 << 16), 0);
1725                         return (0);
1726                 }
1727         }
1728
1729         atp = isp_get_atpd(isp, 0);
1730         atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1731         if (atiop == NULL || atp == NULL) {
1732
1733                 /*
1734                  * Because we can't autofeed sense data back with
1735                  * a command for parallel SCSI, we can't give back
1736                  * a CHECK CONDITION. We'll give back a QUEUE FULL status
1737                  * instead. This works out okay because the only time we
1738                  * should, in fact, get this, is in the case that we've
1739                  * run out of ATIOS.
1740                  */
1741                 xpt_print(tptr->owner,
1742                     "no %s for lun %d from initiator %d\n",
1743                     (atp == NULL && atiop == NULL)? "ATIO2s *or* ATPS" :
1744                     ((atp == NULL)? "ATPs" : "ATIO2s"), lun, aep->at_iid);
1745                 rls_lun_statep(isp, tptr);
1746                 isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0);
1747                 return (0);
1748         }
1749         atp->state = ATPD_STATE_ATIO;
1750         SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1751         tptr->atio_count--;
1752         isp_prt(isp, ISP_LOGTDEBUG0, "Take FREE ATIO lun %d, count now %d",
1753             lun, tptr->atio_count);
1754
1755         if (tptr == &isp->isp_osinfo.tsdflt[0]) {
1756                 atiop->ccb_h.target_id = FCPARAM(isp)->isp_loopid;
1757                 atiop->ccb_h.target_lun = lun;
1758         }
1759         /*
1760          * We don't get 'suggested' sense data as we do with SCSI cards.
1761          */
1762         atiop->sense_len = 0;
1763
1764         atiop->init_id = aep->at_iid;
1765         atiop->cdb_len = ATIO2_CDBLEN;
1766         MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1767         atiop->ccb_h.status = CAM_CDB_RECVD;
1768         atiop->tag_id = aep->at_rxid;
1769         switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1770         case ATIO2_TC_ATTR_SIMPLEQ:
1771                 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1772                 break;
1773         case ATIO2_TC_ATTR_HEADOFQ:
1774                 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1775                 break;
1776         case ATIO2_TC_ATTR_ORDERED:
1777                 atiop->tag_action = MSG_ORDERED_Q_TAG;
1778                 break;
1779         case ATIO2_TC_ATTR_ACAQ:                /* ?? */
1780         case ATIO2_TC_ATTR_UNTAGGED:
1781         default:
1782                 atiop->tag_action = 0;
1783                 break;
1784         }
1785         atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
1786
1787         atp->tag = atiop->tag_id;
1788         atp->lun = lun;
1789         atp->orig_datalen = aep->at_datalen;
1790         atp->last_xframt = 0;
1791         atp->bytes_xfered = 0;
1792         atp->state = ATPD_STATE_CAM;
1793         ISPLOCK_2_CAMLOCK(siP);
1794         xpt_done((union ccb*)atiop);
1795
1796         isp_prt(isp, ISP_LOGTDEBUG0,
1797             "ATIO2[%x] CDB=0x%x iid%d->lun%d tattr 0x%x datalen %u",
1798             aep->at_rxid, aep->at_cdb[0] & 0xff, aep->at_iid,
1799             lun, aep->at_taskflags, aep->at_datalen);
1800         rls_lun_statep(isp, tptr);
1801         return (0);
1802 }
1803
1804 static int
1805 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
1806 {
1807         union ccb *ccb;
1808         int sentstatus, ok, notify_cam, resid = 0;
1809         uint16_t tval;
1810
1811         /*
1812          * CTIO and CTIO2 are close enough....
1813          */
1814
1815         ccb = isp_find_xs_tgt(isp, ((ct_entry_t *)arg)->ct_syshandle);
1816         KASSERT((ccb != NULL), ("null ccb in isp_handle_platform_ctio"));
1817         isp_destroy_tgt_handle(isp, ((ct_entry_t *)arg)->ct_syshandle);
1818
1819         if (IS_FC(isp)) {
1820                 ct2_entry_t *ct = arg;
1821                 atio_private_data_t *atp = isp_get_atpd(isp, ct->ct_rxid);
1822                 if (atp == NULL) {
1823                         isp_prt(isp, ISP_LOGERR,
1824                             "cannot find adjunct for %x after I/O",
1825                             ct->ct_rxid);
1826                         return (0);
1827                 }
1828                 sentstatus = ct->ct_flags & CT2_SENDSTATUS;
1829                 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
1830                 if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
1831                         ccb->ccb_h.status |= CAM_SENT_SENSE;
1832                 }
1833                 notify_cam = ct->ct_header.rqs_seqno & 0x1;
1834                 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
1835                         resid = ct->ct_resid;
1836                         atp->bytes_xfered += (atp->last_xframt - resid);
1837                         atp->last_xframt = 0;
1838                 }
1839                 if (sentstatus || !ok) {
1840                         atp->tag = 0;
1841                 }
1842                 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN,
1843                     "CTIO2[%x] sts 0x%x flg 0x%x sns %d resid %d %s",
1844                     ct->ct_rxid, ct->ct_status, ct->ct_flags,
1845                     (ccb->ccb_h.status & CAM_SENT_SENSE) != 0,
1846                     resid, sentstatus? "FIN" : "MID");
1847                 tval = ct->ct_rxid;
1848
1849                 /* XXX: should really come after isp_complete_ctio */
1850                 atp->state = ATPD_STATE_PDON;
1851         } else {
1852                 ct_entry_t *ct = arg;
1853                 sentstatus = ct->ct_flags & CT_SENDSTATUS;
1854                 ok = (ct->ct_status  & ~QLTM_SVALID) == CT_OK;
1855                 /*
1856                  * We *ought* to be able to get back to the original ATIO
1857                  * here, but for some reason this gets lost. It's just as
1858                  * well because it's squirrelled away as part of periph
1859                  * private data.
1860                  *
1861                  * We can live without it as long as we continue to use
1862                  * the auto-replenish feature for CTIOs.
1863                  */
1864                 notify_cam = ct->ct_header.rqs_seqno & 0x1;
1865                 if (ct->ct_status & QLTM_SVALID) {
1866                         char *sp = (char *)ct;
1867                         sp += CTIO_SENSE_OFFSET;
1868                         ccb->csio.sense_len =
1869                             min(sizeof (ccb->csio.sense_data), QLTM_SENSELEN);
1870                         MEMCPY(&ccb->csio.sense_data, sp, ccb->csio.sense_len);
1871                         ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
1872                 }
1873                 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) {
1874                         resid = ct->ct_resid;
1875                 }
1876                 isp_prt(isp, ISP_LOGTDEBUG0,
1877                     "CTIO[%x] tag %x iid %d lun %d sts %x flg %x resid %d %s",
1878                     ct->ct_fwhandle, ct->ct_tag_val, ct->ct_iid, ct->ct_lun,
1879                     ct->ct_status, ct->ct_flags, resid,
1880                     sentstatus? "FIN" : "MID");
1881                 tval = ct->ct_fwhandle;
1882         }
1883         ccb->csio.resid += resid;
1884
1885         /*
1886          * We're here either because intermediate data transfers are done
1887          * and/or the final status CTIO (which may have joined with a
1888          * Data Transfer) is done.
1889          *
1890          * In any case, for this platform, the upper layers figure out
1891          * what to do next, so all we do here is collect status and
1892          * pass information along. Any DMA handles have already been
1893          * freed.
1894          */
1895         if (notify_cam == 0) {
1896                 isp_prt(isp, ISP_LOGTDEBUG0, "  INTER CTIO[0x%x] done", tval);
1897                 return (0);
1898         }
1899
1900         isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done",
1901             (sentstatus)? "  FINAL " : "MIDTERM ", tval);
1902
1903         if (!ok) {
1904                 isp_target_putback_atio(ccb);
1905         } else {
1906                 isp_complete_ctio(ccb);
1907
1908         }
1909         return (0);
1910 }
1911
1912 static int
1913 isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inp)
1914 {
1915         return (0);     /* XXXX */
1916 }
1917
1918 static int
1919 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
1920 {
1921
1922         switch (inp->in_status) {
1923         case IN_PORT_LOGOUT:
1924                 isp_prt(isp, ISP_LOGWARN, "port logout of iid %d",
1925                    inp->in_iid);
1926                 break;
1927         case IN_PORT_CHANGED:
1928                 isp_prt(isp, ISP_LOGWARN, "port changed for iid %d",
1929                    inp->in_iid);
1930                 break;
1931         case IN_GLOBAL_LOGO:
1932                 isp_prt(isp, ISP_LOGINFO, "all ports logged out");
1933                 break;
1934         case IN_ABORT_TASK:
1935         {
1936                 atio_private_data_t *atp = isp_get_atpd(isp, inp->in_seqid);
1937                 struct ccb_immed_notify *inot = NULL;
1938
1939                 if (atp) {
1940                         tstate_t *tptr = get_lun_statep(isp, 0, atp->lun);
1941                         if (tptr) {
1942                                 inot = (struct ccb_immed_notify *)
1943                                     SLIST_FIRST(&tptr->inots);
1944                                 if (inot) {
1945                                         tptr->inot_count--;
1946                                         SLIST_REMOVE_HEAD(&tptr->inots,
1947                                             sim_links.sle);
1948                                         isp_prt(isp, ISP_LOGTDEBUG0,
1949                                             "Take FREE INOT count now %d",
1950                                             tptr->inot_count);
1951                                 }
1952                         }
1953                         isp_prt(isp, ISP_LOGWARN,
1954                            "abort task RX_ID %x IID %d state %d",
1955                            inp->in_seqid, inp->in_iid, atp->state);
1956                 } else {
1957                         isp_prt(isp, ISP_LOGWARN,
1958                            "abort task RX_ID %x from iid %d, state unknown",
1959                            inp->in_seqid, inp->in_iid);
1960                 }
1961                 if (inot) {
1962                         inot->initiator_id = inp->in_iid;
1963                         inot->sense_len = 0;
1964                         inot->message_args[0] = MSG_ABORT_TAG;
1965                         inot->message_args[1] = inp->in_seqid & 0xff;
1966                         inot->message_args[2] = (inp->in_seqid >> 8) & 0xff;
1967                         inot->ccb_h.status = CAM_MESSAGE_RECV;
1968                         xpt_done((union ccb *)inot);
1969                 }
1970                 break;
1971         }
1972         default:
1973                 break;
1974         }
1975         return (0);
1976 }
1977 #endif
1978
1979 static void
1980 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
1981 {
1982         struct cam_sim *sim;
1983         ispsoftc_t *isp;
1984
1985         sim = (struct cam_sim *)cbarg;
1986         isp = (ispsoftc_t *) cam_sim_softc(sim);
1987         switch (code) {
1988         case AC_LOST_DEVICE:
1989                 if (IS_SCSI(isp)) {
1990                         uint16_t oflags, nflags;
1991                         sdparam *sdp = isp->isp_param;
1992                         int tgt;
1993
1994                         tgt = xpt_path_target_id(path);
1995                         if (tgt >= 0) {
1996                                 sdp += cam_sim_bus(sim);
1997                                 ISP_LOCK(isp);
1998                                 nflags = sdp->isp_devparam[tgt].nvrm_flags;
1999 #ifndef ISP_TARGET_MODE
2000                                 nflags &= DPARM_SAFE_DFLT;
2001                                 if (isp->isp_loaded_fw) {
2002                                         nflags |= DPARM_NARROW | DPARM_ASYNC;
2003                                 }
2004 #else
2005                                 nflags = DPARM_DEFAULT;
2006 #endif
2007                                 oflags = sdp->isp_devparam[tgt].goal_flags;
2008                                 sdp->isp_devparam[tgt].goal_flags = nflags;
2009                                 sdp->isp_devparam[tgt].dev_update = 1;
2010                                 isp->isp_update |= (1 << cam_sim_bus(sim));
2011                                 (void) isp_control(isp,
2012                                     ISPCTL_UPDATE_PARAMS, NULL);
2013                                 sdp->isp_devparam[tgt].goal_flags = oflags;
2014                                 ISP_UNLOCK(isp);
2015                         }
2016                 }
2017                 break;
2018         default:
2019                 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
2020                 break;
2021         }
2022 }
2023
2024 static void
2025 isp_poll(struct cam_sim *sim)
2026 {
2027         ispsoftc_t *isp = cam_sim_softc(sim);
2028         uint32_t isr;
2029         uint16_t sema, mbox;
2030
2031         ISP_LOCK(isp);
2032         if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
2033                 isp_intr(isp, isr, sema, mbox);
2034         }
2035         ISP_UNLOCK(isp);
2036 }
2037
2038
2039 static int isp_watchdog_work(ispsoftc_t *, XS_T *);
2040
2041 static int
2042 isp_watchdog_work(ispsoftc_t *isp, XS_T *xs)
2043 {
2044         uint32_t handle;
2045
2046         /*
2047          * We've decided this command is dead. Make sure we're not trying
2048          * to kill a command that's already dead by getting it's handle and
2049          * and seeing whether it's still alive.
2050          */
2051         ISP_LOCK(isp);
2052         handle = isp_find_handle(isp, xs);
2053         if (handle) {
2054                 uint32_t isr;
2055                 uint16_t sema, mbox;
2056
2057                 if (XS_CMD_DONE_P(xs)) {
2058                         isp_prt(isp, ISP_LOGDEBUG1,
2059                             "watchdog found done cmd (handle 0x%x)", handle);
2060                         ISP_UNLOCK(isp);
2061                         return (1);;
2062                 }
2063
2064                 if (XS_CMD_WDOG_P(xs)) {
2065                         isp_prt(isp, ISP_LOGDEBUG2,
2066                             "recursive watchdog (handle 0x%x)", handle);
2067                         ISP_UNLOCK(isp);
2068                         return (1);
2069                 }
2070
2071                 XS_CMD_S_WDOG(xs);
2072                 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
2073                         isp_intr(isp, isr, sema, mbox);
2074                 }
2075                 if (XS_CMD_DONE_P(xs)) {
2076                         isp_prt(isp, ISP_LOGDEBUG2,
2077                             "watchdog cleanup for handle 0x%x", handle);
2078                         ISPLOCK_2_CAMLOCK(isp);
2079                         xpt_done((union ccb *) xs);
2080                         CAMLOCK_2_ISPLOCK(isp);
2081                 } else if (XS_CMD_GRACE_P(xs)) {
2082                         /*
2083                          * Make sure the command is *really* dead before we
2084                          * release the handle (and DMA resources) for reuse.
2085                          */
2086                         (void) isp_control(isp, ISPCTL_ABORT_CMD, xs);
2087
2088                         /*
2089                          * After this point, the comamnd is really dead.
2090                          */
2091                         if (XS_XFRLEN(xs)) {
2092                                 ISP_DMAFREE(isp, xs, handle);
2093                         }
2094                         isp_destroy_handle(isp, handle);
2095                         xpt_print(xs->ccb_h.path,
2096                             "watchdog timeout for handle 0x%x\n", handle);
2097                         XS_SETERR(xs, CAM_CMD_TIMEOUT);
2098                         XS_CMD_C_WDOG(xs);
2099                         ISPLOCK_2_CAMLOCK(isp);
2100                         isp_done(xs);
2101                         CAMLOCK_2_ISPLOCK(isp);
2102                 } else {
2103                         XS_CMD_C_WDOG(xs);
2104                         xs->ccb_h.timeout_ch = timeout(isp_watchdog, xs, hz);
2105                         XS_CMD_S_GRACE(xs);
2106                         isp->isp_sendmarker |= 1 << XS_CHANNEL(xs);
2107                 }
2108                 ISP_UNLOCK(isp);
2109                 return (1);
2110         }
2111         ISP_UNLOCK(isp);
2112         return (0);
2113 }
2114
2115 static void
2116 isp_watchdog(void *arg)
2117 {
2118         ispsoftc_t *isp;
2119         XS_T *xs = arg;
2120         for (isp = isplist; isp != NULL; isp = isp->isp_osinfo.next) {
2121                 if (isp_watchdog_work(isp, xs)) {
2122                         break;
2123                 }
2124         }
2125         if (isp == NULL) {
2126                 printf("isp_watchdog: nobody had %p active\n", arg);
2127         }
2128 }
2129
2130
2131 #if __FreeBSD_version >= 500000
2132 #define isp_make_here(isp, tgt) isp_announce(isp, tgt, AC_FOUND_DEVICE)
2133 #define isp_make_gone(isp, tgt) isp_announce(isp, tgt, AC_LOST_DEVICE)
2134
2135 /*
2136  * Support function for Announcement
2137  */
2138 static void
2139 isp_announce(ispsoftc_t *isp, int tgt, int action)
2140 {
2141         struct cam_path *tmppath;
2142         ISPLOCK_2_CAMLOCK(isp);
2143         if (xpt_create_path(&tmppath, NULL, cam_sim_path(isp->isp_sim), tgt,
2144             CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
2145                 xpt_async(action, tmppath, NULL);
2146                 xpt_free_path(tmppath);
2147         }
2148         CAMLOCK_2_ISPLOCK(isp);
2149 }
2150 #else
2151 #define isp_make_here(isp, tgt) do { ; } while (0)
2152 #define isp_make_gone(isp, tgt) do { ; } while (0)
2153 #endif
2154
2155
2156 /*
2157  * Gone Device Timer Function- when we have decided that a device has gone
2158  * away, we wait a specific period of time prior to telling the OS it has
2159  * gone away.
2160  *
2161  * This timer function fires once a second and then scans the port database
2162  * for devices that are marked dead but still have a virtual target assigned.
2163  * We decrement a counter for that port database entry, and when it hits zero,
2164  * we tell the OS the device has gone away.
2165  */
2166 static void
2167 isp_gdt(void *arg)
2168 {
2169         ispsoftc_t *isp = arg;
2170         fcportdb_t *lp;
2171         int dbidx, tgt, more_to_do = 0;
2172
2173         isp_prt(isp, ISP_LOGDEBUG0, "GDT timer expired");
2174         ISP_LOCK(isp);
2175         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2176                 lp = &FCPARAM(isp)->portdb[dbidx];
2177
2178                 if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
2179                         continue;
2180                 }
2181                 if (lp->ini_map_idx == 0) {
2182                         continue;
2183                 }
2184                 if (lp->new_reserved == 0) {
2185                         continue;
2186                 }
2187                 lp->new_reserved -= 1;
2188                 if (lp->new_reserved != 0) {
2189                         more_to_do++;
2190                         continue;
2191                 }
2192                 tgt = lp->ini_map_idx - 1;
2193                 FCPARAM(isp)->isp_ini_map[tgt] = 0;
2194                 lp->ini_map_idx = 0;
2195                 lp->state = FC_PORTDB_STATE_NIL;
2196                 isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt,
2197                     "Gone Device Timeout");
2198                 isp_make_gone(isp, tgt);
2199         }
2200         if (more_to_do) {
2201                 isp->isp_osinfo.gdt = timeout(isp_gdt, isp, hz);
2202         } else {
2203                 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0,
2204                     "stopping Gone Device Timer");
2205                 isp->isp_osinfo.gdt_running = 0;
2206         }
2207         ISP_UNLOCK(isp);
2208 }
2209
2210 /*
2211  * Loop Down Timer Function- when loop goes down, a timer is started and
2212  * and after it expires we come here and take all probational devices that
2213  * the OS knows about and the tell the OS that they've gone away.
2214  *
2215  * We don't clear the devices out of our port database because, when loop
2216  * come back up, we have to do some actual cleanup with the chip at that
2217  * point (implicit PLOGO, e.g., to get the chip's port database state right).
2218  */
2219 static void
2220 isp_ldt(void *arg)
2221 {
2222         ispsoftc_t *isp = arg;
2223         fcportdb_t *lp;
2224         int dbidx, tgt;
2225
2226         isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Loop Down Timer expired");
2227         ISP_LOCK(isp);
2228
2229         /*
2230          * Notify to the OS all targets who we now consider have departed.
2231          */
2232         for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2233                 lp = &FCPARAM(isp)->portdb[dbidx];
2234
2235                 if (lp->state != FC_PORTDB_STATE_PROBATIONAL) {
2236                         continue;
2237                 }
2238                 if (lp->ini_map_idx == 0) {
2239                         continue;
2240                 }
2241
2242                 /*
2243                  * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
2244                  */
2245
2246                 /*
2247                  * Mark that we've announced that this device is gone....
2248                  */
2249                 lp->reserved = 1;
2250
2251                 /*
2252                  * but *don't* change the state of the entry. Just clear
2253                  * any target id stuff and announce to CAM that the
2254                  * device is gone. This way any necessary PLOGO stuff
2255                  * will happen when loop comes back up.
2256                  */
2257
2258                 tgt = lp->ini_map_idx - 1;
2259                 FCPARAM(isp)->isp_ini_map[tgt] = 0;
2260                 lp->ini_map_idx = 0;
2261                 isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt,
2262                     "Loop Down Timeout");
2263                 isp_make_gone(isp, tgt);
2264         }
2265
2266         /*
2267          * The loop down timer has expired. Wake up the kthread
2268          * to notice that fact (or make it false).
2269          */
2270         isp->isp_osinfo.loop_down_time = isp->isp_osinfo.loop_down_limit+1;
2271 #if __FreeBSD_version < 500000
2272         wakeup(&isp->isp_osinfo.kproc);
2273 #else
2274 #ifdef  ISP_SMPLOCK
2275         cv_signal(&isp->isp_osinfo.kthread_cv);
2276 #else
2277         wakeup(&isp->isp_osinfo.kthread_cv);
2278 #endif
2279 #endif
2280         ISP_UNLOCK(isp);
2281 }
2282
2283 static void
2284 isp_kthread(void *arg)
2285 {
2286         ispsoftc_t *isp = arg;
2287         int slp = 0;
2288 #if __FreeBSD_version < 500000
2289         int s;
2290
2291         s = splcam();
2292 #else
2293 #ifdef  ISP_SMPLOCK
2294         mtx_lock(&isp->isp_lock);
2295 #else
2296         mtx_lock(&Giant);
2297 #endif
2298 #endif
2299         /*
2300          * The first loop is for our usage where we have yet to have
2301          * gotten good fibre channel state.
2302          */
2303         for (;;) {
2304                 int wasfrozen, lb, lim;
2305
2306                 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0,
2307                     "isp_kthread: checking FC state");
2308                 isp->isp_osinfo.mbox_sleep_ok = 1;
2309                 lb = isp_fc_runstate(isp, 250000);
2310                 isp->isp_osinfo.mbox_sleep_ok = 0;
2311                 if (lb) {
2312                         /*
2313                          * Increment loop down time by the last sleep interval
2314                          */
2315                         isp->isp_osinfo.loop_down_time += slp;
2316
2317                         if (lb < 0) {
2318                                 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0,
2319                                     "kthread: FC loop not up (down count %d)",
2320                                     isp->isp_osinfo.loop_down_time);
2321                         } else {
2322                                 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0,
2323                                     "kthread: FC got to %d (down count %d)",
2324                                     lb, isp->isp_osinfo.loop_down_time);
2325                         }
2326
2327
2328                         /*
2329                          * If we've never seen loop up and we've waited longer
2330                          * than quickboot time, or we've seen loop up but we've
2331                          * waited longer than loop_down_limit, give up and go
2332                          * to sleep until loop comes up.
2333                          */
2334                         if (FCPARAM(isp)->loop_seen_once == 0) {
2335                                 lim = isp_quickboot_time;
2336                         } else {
2337                                 lim = isp->isp_osinfo.loop_down_limit;
2338                         }
2339                         if (isp->isp_osinfo.loop_down_time >= lim) {
2340                                 isp_freeze_loopdown(isp, "loop limit hit");
2341                                 slp = 0;
2342                         } else if (isp->isp_osinfo.loop_down_time < 10) {
2343                                 slp = 1;
2344                         } else if (isp->isp_osinfo.loop_down_time < 30) {
2345                                 slp = 5;
2346                         } else if (isp->isp_osinfo.loop_down_time < 60) {
2347                                 slp = 10;
2348                         } else if (isp->isp_osinfo.loop_down_time < 120) {
2349                                 slp = 20;
2350                         } else {
2351                                 slp = 30;
2352                         }
2353
2354                 } else {
2355                         isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0,
2356                             "isp_kthread: FC state OK");
2357                         isp->isp_osinfo.loop_down_time = 0;
2358                         slp = 0;
2359                 }
2360
2361                 /*
2362                  * If we'd frozen the simq, unfreeze it now so that CAM
2363                  * can start sending us commands. If the FC state isn't
2364                  * okay yet, they'll hit that in isp_start which will
2365                  * freeze the queue again.
2366                  */
2367                 wasfrozen = isp->isp_osinfo.simqfrozen & SIMQFRZ_LOOPDOWN;
2368                 isp->isp_osinfo.simqfrozen &= ~SIMQFRZ_LOOPDOWN;
2369                 if (wasfrozen && isp->isp_osinfo.simqfrozen == 0) {
2370                         isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0,
2371                             "isp_kthread: releasing simq");
2372                         ISPLOCK_2_CAMLOCK(isp);
2373                         xpt_release_simq(isp->isp_sim, 1);
2374                         CAMLOCK_2_ISPLOCK(isp);
2375                 }
2376                 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0,
2377                     "isp_kthread: sleep time %d", slp);
2378 #if __FreeBSD_version < 500000
2379                 tsleep(&isp->isp_osinfo.kproc, PRIBIO, "ispf",
2380                     slp * hz);
2381 #else
2382 #ifdef  ISP_SMPLOCK
2383                 cv_timed_wait(&isp->isp_osinfo.kthread_cv, &isp->isp_lock,
2384                     slp * hz);
2385 #else
2386                 (void) tsleep(&isp->isp_osinfo.kthread_cv, PRIBIO, "ispf",
2387                     slp * hz);
2388 #endif
2389 #endif
2390                 /*
2391                  * If slp is zero, we're waking up for the first time after
2392                  * things have been okay. In this case, we set a deferral state
2393                  * for all commands and delay hysteresis seconds before starting
2394                  * the FC state evaluation. This gives the loop/fabric a chance
2395                  * to settle.
2396                  */
2397                 if (slp == 0 && isp->isp_osinfo.hysteresis) {
2398                         isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0,
2399                             "isp_kthread: sleep hysteresis tick time %d",
2400                             isp->isp_osinfo.hysteresis * hz);
2401                         (void) tsleep(&isp_fabric_hysteresis, PRIBIO, "ispT",
2402                             (isp->isp_osinfo.hysteresis * hz));
2403                 }
2404         }
2405 }
2406
2407 static void
2408 isp_action(struct cam_sim *sim, union ccb *ccb)
2409 {
2410         int bus, tgt, error, lim;
2411         ispsoftc_t *isp;
2412         struct ccb_trans_settings *cts;
2413
2414         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
2415
2416         isp = (ispsoftc_t *)cam_sim_softc(sim);
2417         ccb->ccb_h.sim_priv.entries[0].field = 0;
2418         ccb->ccb_h.sim_priv.entries[1].ptr = isp;
2419         if (isp->isp_state != ISP_RUNSTATE &&
2420             ccb->ccb_h.func_code == XPT_SCSI_IO) {
2421                 CAMLOCK_2_ISPLOCK(isp);
2422                 isp_init(isp);
2423                 if (isp->isp_state != ISP_INITSTATE) {
2424                         ISP_UNLOCK(isp);
2425                         /*
2426                          * Lie. Say it was a selection timeout.
2427                          */
2428                         ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN;
2429                         xpt_freeze_devq(ccb->ccb_h.path, 1);
2430                         xpt_done(ccb);
2431                         return;
2432                 }
2433                 isp->isp_state = ISP_RUNSTATE;
2434                 ISPLOCK_2_CAMLOCK(isp);
2435         }
2436         isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
2437
2438
2439         switch (ccb->ccb_h.func_code) {
2440         case XPT_SCSI_IO:       /* Execute the requested I/O operation */
2441                 /*
2442                  * Do a couple of preliminary checks...
2443                  */
2444                 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
2445                         if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
2446                                 ccb->ccb_h.status = CAM_REQ_INVALID;
2447                                 xpt_done(ccb);
2448                                 break;
2449                         }
2450                 }
2451 #ifdef  DIAGNOSTIC
2452                 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) {
2453                         xpt_print(ccb->ccb_h.path, "invalid target\n");
2454                         ccb->ccb_h.status = CAM_PATH_INVALID;
2455                 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) {
2456                         xpt_print(ccb->ccb_h.path, "invalid lun\n");
2457                         ccb->ccb_h.status = CAM_PATH_INVALID;
2458                 }
2459                 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
2460                         xpt_done(ccb);
2461                         break;
2462                 }
2463 #endif
2464                 ((struct ccb_scsiio *) ccb)->scsi_status = SCSI_STATUS_OK;
2465                 CAMLOCK_2_ISPLOCK(isp);
2466                 error = isp_start((XS_T *) ccb);
2467                 switch (error) {
2468                 case CMD_QUEUED:
2469                         XS_CMD_S_CLEAR(ccb);
2470                         ISPLOCK_2_CAMLOCK(isp);
2471                         ccb->ccb_h.status |= CAM_SIM_QUEUED;
2472                         if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) {
2473                                 int ms = ccb->ccb_h.timeout;
2474                                 if (ms == CAM_TIME_DEFAULT) {
2475                                         ms = 60*1000;
2476                                 }
2477                                 ccb->ccb_h.timeout_ch =
2478                                     timeout(isp_watchdog, ccb, isp_mstohz(ms));
2479                         } else {
2480                                 callout_handle_init(&ccb->ccb_h.timeout_ch);
2481                         }
2482                         break;
2483                 case CMD_RQLATER:
2484                         /*
2485                          * This can only happen for Fibre Channel
2486                          */
2487                         KASSERT((IS_FC(isp)), ("CMD_RQLATER for FC only"));
2488
2489                         /*
2490                          * Handle initial and subsequent loop down cases
2491                          */
2492                         if (FCPARAM(isp)->loop_seen_once == 0) {
2493                                 lim = isp_quickboot_time;
2494                         } else {
2495                                 lim = isp->isp_osinfo.loop_down_limit;
2496                         }
2497                         if (isp->isp_osinfo.loop_down_time >= lim) {
2498                                 isp_prt(isp, ISP_LOGDEBUG0,
2499                                     "%d.%d downtime (%d) > lim (%d)",
2500                                     XS_TGT(ccb), XS_LUN(ccb),
2501                                     isp->isp_osinfo.loop_down_time, lim);
2502                                 ccb->ccb_h.status =
2503                                     CAM_SEL_TIMEOUT|CAM_DEV_QFRZN;
2504                                 xpt_freeze_devq(ccb->ccb_h.path, 1);
2505                                 ISPLOCK_2_CAMLOCK(isp);
2506                                 xpt_done(ccb);
2507                                 break;
2508                         }
2509                         isp_prt(isp, ISP_LOGDEBUG0,
2510                             "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb));
2511                         /*
2512                          * Otherwise, retry in a while.
2513                          */
2514                         ISPLOCK_2_CAMLOCK(isp);
2515                         cam_freeze_devq(ccb->ccb_h.path);
2516                         cam_release_devq(ccb->ccb_h.path,
2517                             RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
2518                         XS_SETERR(ccb, CAM_REQUEUE_REQ);
2519                         xpt_done(ccb);
2520                         break;
2521                 case CMD_EAGAIN:
2522                         ISPLOCK_2_CAMLOCK(isp);
2523                         cam_freeze_devq(ccb->ccb_h.path);
2524                         cam_release_devq(ccb->ccb_h.path,
2525                             RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
2526                         xpt_done(ccb);
2527                         break;
2528                 case CMD_COMPLETE:
2529                         isp_done((struct ccb_scsiio *) ccb);
2530                         ISPLOCK_2_CAMLOCK(isp);
2531                         break;
2532                 default:
2533                         ISPLOCK_2_CAMLOCK(isp);
2534                         isp_prt(isp, ISP_LOGERR,
2535                             "What's this? 0x%x at %d in file %s",
2536                             error, __LINE__, __FILE__);
2537                         XS_SETERR(ccb, CAM_REQ_CMP_ERR);
2538                         xpt_done(ccb);
2539                 }
2540                 break;
2541
2542 #ifdef  ISP_TARGET_MODE
2543         case XPT_EN_LUN:                /* Enable LUN as a target */
2544         {
2545                 int seq, i;
2546                 CAMLOCK_2_ISPLOCK(isp);
2547                 seq = isp_en_lun(isp, ccb);
2548                 if (seq < 0) {
2549                         ISPLOCK_2_CAMLOCK(isp);
2550                         xpt_done(ccb);
2551                         break;
2552                 }
2553                 for (i = 0; isp->isp_osinfo.leact[seq] && i < 30 * 1000; i++) {
2554                         uint32_t isr;
2555                         uint16_t sema, mbox;
2556                         if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
2557                                 isp_intr(isp, isr, sema, mbox);
2558                         }
2559                         DELAY(1000);
2560                 }
2561                 ISPLOCK_2_CAMLOCK(isp);
2562                 break;
2563         }
2564         case XPT_NOTIFY_ACK:            /* recycle notify ack */
2565         case XPT_IMMED_NOTIFY:          /* Add Immediate Notify Resource */
2566         case XPT_ACCEPT_TARGET_IO:      /* Add Accept Target IO Resource */
2567         {
2568                 tstate_t *tptr =
2569                     get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
2570                 if (tptr == NULL) {
2571                         ccb->ccb_h.status = CAM_LUN_INVALID;
2572                         xpt_done(ccb);
2573                         break;
2574                 }
2575                 ccb->ccb_h.sim_priv.entries[0].field = 0;
2576                 ccb->ccb_h.sim_priv.entries[1].ptr = isp;
2577                 ccb->ccb_h.flags = 0;
2578
2579                 CAMLOCK_2_ISPLOCK(isp);
2580                 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
2581                         /*
2582                          * Note that the command itself may not be done-
2583                          * it may not even have had the first CTIO sent.
2584                          */
2585                         tptr->atio_count++;
2586                         isp_prt(isp, ISP_LOGTDEBUG0,
2587                             "Put FREE ATIO, lun %d, count now %d",
2588                             ccb->ccb_h.target_lun, tptr->atio_count);
2589                         SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h,
2590                             sim_links.sle);
2591                 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
2592                         tptr->inot_count++;
2593                         isp_prt(isp, ISP_LOGTDEBUG0,
2594                             "Put FREE INOT, lun %d, count now %d",
2595                             ccb->ccb_h.target_lun, tptr->inot_count);
2596                         SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h,
2597                             sim_links.sle);
2598                 } else {
2599                         isp_prt(isp, ISP_LOGWARN, "Got Notify ACK");;
2600                 }
2601                 rls_lun_statep(isp, tptr);
2602                 ccb->ccb_h.status = CAM_REQ_INPROG;
2603                 ISPLOCK_2_CAMLOCK(isp);
2604                 break;
2605         }
2606         case XPT_CONT_TARGET_IO:
2607         {
2608                 CAMLOCK_2_ISPLOCK(isp);
2609                 isp_target_start_ctio(isp, ccb);
2610                 ISPLOCK_2_CAMLOCK(isp);
2611                 break;
2612         }
2613 #endif
2614         case XPT_RESET_DEV:             /* BDR the specified SCSI device */
2615
2616                 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
2617                 tgt = ccb->ccb_h.target_id;
2618                 tgt |= (bus << 16);
2619
2620                 CAMLOCK_2_ISPLOCK(isp);
2621                 error = isp_control(isp, ISPCTL_RESET_DEV, &tgt);
2622                 ISPLOCK_2_CAMLOCK(isp);
2623                 if (error) {
2624                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2625                 } else {
2626                         ccb->ccb_h.status = CAM_REQ_CMP;
2627                 }
2628                 xpt_done(ccb);
2629                 break;
2630         case XPT_ABORT:                 /* Abort the specified CCB */
2631         {
2632                 union ccb *accb = ccb->cab.abort_ccb;
2633                 CAMLOCK_2_ISPLOCK(isp);
2634                 switch (accb->ccb_h.func_code) {
2635 #ifdef  ISP_TARGET_MODE
2636                 case XPT_ACCEPT_TARGET_IO:
2637                 case XPT_IMMED_NOTIFY:
2638                         ccb->ccb_h.status = isp_abort_tgt_ccb(isp, ccb);
2639                         break;
2640                 case XPT_CONT_TARGET_IO:
2641                         isp_prt(isp, ISP_LOGERR, "cannot abort CTIOs yet");
2642                         ccb->ccb_h.status = CAM_UA_ABORT;
2643                         break;
2644 #endif
2645                 case XPT_SCSI_IO:
2646                         error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
2647                         if (error) {
2648                                 ccb->ccb_h.status = CAM_UA_ABORT;
2649                         } else {
2650                                 ccb->ccb_h.status = CAM_REQ_CMP;
2651                         }
2652                         break;
2653                 default:
2654                         ccb->ccb_h.status = CAM_REQ_INVALID;
2655                         break;
2656                 }
2657                 ISPLOCK_2_CAMLOCK(isp);
2658                 xpt_done(ccb);
2659                 break;
2660         }
2661 #ifdef  CAM_NEW_TRAN_CODE
2662 #define IS_CURRENT_SETTINGS(c)  (c->type == CTS_TYPE_CURRENT_SETTINGS)
2663 #else
2664 #define IS_CURRENT_SETTINGS(c)  (c->flags & CCB_TRANS_CURRENT_SETTINGS)
2665 #endif
2666         case XPT_SET_TRAN_SETTINGS:     /* Nexus Settings */
2667                 cts = &ccb->cts;
2668                 if (!IS_CURRENT_SETTINGS(cts)) {
2669                         ccb->ccb_h.status = CAM_REQ_INVALID;
2670                         xpt_done(ccb);
2671                         break;
2672                 }
2673                 tgt = cts->ccb_h.target_id;
2674                 CAMLOCK_2_ISPLOCK(isp);
2675                 if (IS_SCSI(isp)) {
2676 #ifndef CAM_NEW_TRAN_CODE
2677                         sdparam *sdp = isp->isp_param;
2678                         uint16_t *dptr;
2679
2680                         bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
2681
2682                         sdp += bus;
2683                         /*
2684                          * We always update (internally) from goal_flags
2685                          * so any request to change settings just gets
2686                          * vectored to that location.
2687                          */
2688                         dptr = &sdp->isp_devparam[tgt].goal_flags;
2689
2690                         /*
2691                          * Note that these operations affect the
2692                          * the goal flags (goal_flags)- not
2693                          * the current state flags. Then we mark
2694                          * things so that the next operation to
2695                          * this HBA will cause the update to occur.
2696                          */
2697                         if (cts->valid & CCB_TRANS_DISC_VALID) {
2698                                 if ((cts->flags & CCB_TRANS_DISC_ENB) != 0) {
2699                                         *dptr |= DPARM_DISC;
2700                                 } else {
2701                                         *dptr &= ~DPARM_DISC;
2702                                 }
2703                         }
2704                         if (cts->valid & CCB_TRANS_TQ_VALID) {
2705                                 if ((cts->flags & CCB_TRANS_TAG_ENB) != 0) {
2706                                         *dptr |= DPARM_TQING;
2707                                 } else {
2708                                         *dptr &= ~DPARM_TQING;
2709                                 }
2710                         }
2711                         if (cts->valid & CCB_TRANS_BUS_WIDTH_VALID) {
2712                                 switch (cts->bus_width) {
2713                                 case MSG_EXT_WDTR_BUS_16_BIT:
2714                                         *dptr |= DPARM_WIDE;
2715                                         break;
2716                                 default:
2717                                         *dptr &= ~DPARM_WIDE;
2718                                 }
2719                         }
2720                         /*
2721                          * Any SYNC RATE of nonzero and SYNC_OFFSET
2722                          * of nonzero will cause us to go to the
2723                          * selected (from NVRAM) maximum value for
2724                          * this device. At a later point, we'll
2725                          * allow finer control.
2726                          */
2727                         if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) &&
2728                             (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) &&
2729                             (cts->sync_offset > 0)) {
2730                                 *dptr |= DPARM_SYNC;
2731                         } else {
2732                                 *dptr &= ~DPARM_SYNC;
2733                         }
2734                         *dptr |= DPARM_SAFE_DFLT;
2735 #else
2736                         struct ccb_trans_settings_scsi *scsi =
2737                             &cts->proto_specific.scsi;
2738                         struct ccb_trans_settings_spi *spi =
2739                             &cts->xport_specific.spi;
2740                         sdparam *sdp = isp->isp_param;
2741                         uint16_t *dptr;
2742
2743                         if (spi->valid == 0 && scsi->valid == 0) {
2744                                 ISPLOCK_2_CAMLOCK(isp);
2745                                 ccb->ccb_h.status = CAM_REQ_CMP;
2746                                 xpt_done(ccb);
2747                                 break;
2748                         }
2749
2750                         bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
2751                         sdp += bus;
2752                         /*
2753                          * We always update (internally) from goal_flags
2754                          * so any request to change settings just gets
2755                          * vectored to that location.
2756                          */
2757                         dptr = &sdp->isp_devparam[tgt].goal_flags;
2758
2759                         if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
2760                                 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
2761                                         *dptr |= DPARM_DISC;
2762                                 else
2763                                         *dptr &= ~DPARM_DISC;
2764                         }
2765
2766                         if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
2767                                 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
2768                                         *dptr |= DPARM_TQING;
2769                                 else
2770                                         *dptr &= ~DPARM_TQING;
2771                         }
2772
2773                         if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
2774                                 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
2775                                         *dptr |= DPARM_WIDE;
2776                                 else
2777                                         *dptr &= ~DPARM_WIDE;
2778                         }
2779
2780                         /*
2781                          * XXX: FIX ME
2782                          */
2783                         if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) &&
2784                             (spi->valid & CTS_SPI_VALID_SYNC_RATE) &&
2785                             (spi->sync_period && spi->sync_offset)) {
2786                                 *dptr |= DPARM_SYNC;
2787                                 /*
2788                                  * XXX: CHECK FOR LEGALITY
2789                                  */
2790                                 sdp->isp_devparam[tgt].goal_period =
2791                                     spi->sync_period;
2792                                 sdp->isp_devparam[tgt].goal_offset =
2793                                     spi->sync_offset;
2794                         } else {
2795                                 *dptr &= ~DPARM_SYNC;
2796                         }
2797 #endif
2798                         isp_prt(isp, ISP_LOGDEBUG0,
2799                             "SET (%d.%d.%d) to flags %x off %x per %x",
2800                             bus, tgt, cts->ccb_h.target_lun,
2801                             sdp->isp_devparam[tgt].goal_flags,
2802                             sdp->isp_devparam[tgt].goal_offset,
2803                             sdp->isp_devparam[tgt].goal_period);
2804                         sdp->isp_devparam[tgt].dev_update = 1;
2805                         isp->isp_update |= (1 << bus);
2806                 }
2807                 ISPLOCK_2_CAMLOCK(isp);
2808                 ccb->ccb_h.status = CAM_REQ_CMP;
2809                 xpt_done(ccb);
2810                 break;
2811         case XPT_GET_TRAN_SETTINGS:
2812                 cts = &ccb->cts;
2813                 tgt = cts->ccb_h.target_id;
2814                 CAMLOCK_2_ISPLOCK(isp);
2815                 if (IS_FC(isp)) {
2816 #ifndef CAM_NEW_TRAN_CODE
2817                         /*
2818                          * a lot of normal SCSI things don't make sense.
2819                          */
2820                         cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB;
2821                         cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2822                         /*
2823                          * How do you measure the width of a high
2824                          * speed serial bus? Well, in bytes.
2825                          *
2826                          * Offset and period make no sense, though, so we set
2827                          * (above) a 'base' transfer speed to be gigabit.
2828                          */
2829                         cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
2830 #else
2831                         fcparam *fcp = isp->isp_param;
2832                         struct ccb_trans_settings_scsi *scsi =
2833                             &cts->proto_specific.scsi;
2834                         struct ccb_trans_settings_fc *fc =
2835                             &cts->xport_specific.fc;
2836
2837                         cts->protocol = PROTO_SCSI;
2838                         cts->protocol_version = SCSI_REV_2;
2839                         cts->transport = XPORT_FC;
2840                         cts->transport_version = 0;
2841
2842                         scsi->valid = CTS_SCSI_VALID_TQ;
2843                         scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
2844                         fc->valid = CTS_FC_VALID_SPEED;
2845                         if (fcp->isp_gbspeed == 2) {
2846                                 fc->bitrate = 200000;
2847                         } else {
2848                                 fc->bitrate = 100000;
2849                         }
2850                         if (tgt > 0 && tgt < MAX_FC_TARG) {
2851                                 fcportdb_t *lp = &fcp->portdb[tgt];
2852                                 fc->wwnn = lp->node_wwn;
2853                                 fc->wwpn = lp->port_wwn;
2854                                 fc->port = lp->portid;
2855                                 fc->valid |= CTS_FC_VALID_WWNN |
2856                                     CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
2857                         }
2858 #endif
2859                 } else {
2860 #ifdef  CAM_NEW_TRAN_CODE
2861                         struct ccb_trans_settings_scsi *scsi =
2862                             &cts->proto_specific.scsi;
2863                         struct ccb_trans_settings_spi *spi =
2864                             &cts->xport_specific.spi;
2865 #endif
2866                         sdparam *sdp = isp->isp_param;
2867                         int bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
2868                         uint16_t dval, pval, oval;
2869
2870                         sdp += bus;
2871
2872                         if (IS_CURRENT_SETTINGS(cts)) {
2873                                 sdp->isp_devparam[tgt].dev_refresh = 1;
2874                                 isp->isp_update |= (1 << bus);
2875                                 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS,
2876                                     NULL);
2877                                 dval = sdp->isp_devparam[tgt].actv_flags;
2878                                 oval = sdp->isp_devparam[tgt].actv_offset;
2879                                 pval = sdp->isp_devparam[tgt].actv_period;
2880                         } else {
2881                                 dval = sdp->isp_devparam[tgt].nvrm_flags;
2882                                 oval = sdp->isp_devparam[tgt].nvrm_offset;
2883                                 pval = sdp->isp_devparam[tgt].nvrm_period;
2884                         }
2885
2886 #ifndef CAM_NEW_TRAN_CODE
2887                         cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB);
2888
2889                         if (dval & DPARM_DISC) {
2890                                 cts->flags |= CCB_TRANS_DISC_ENB;
2891                         }
2892                         if (dval & DPARM_TQING) {
2893                                 cts->flags |= CCB_TRANS_TAG_ENB;
2894                         }
2895                         if (dval & DPARM_WIDE) {
2896                                 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
2897                         } else {
2898                                 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
2899                         }
2900                         cts->valid = CCB_TRANS_BUS_WIDTH_VALID |
2901                             CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2902
2903                         if ((dval & DPARM_SYNC) && oval != 0) {
2904                                 cts->sync_period = pval;
2905                                 cts->sync_offset = oval;
2906                                 cts->valid |=
2907                                     CCB_TRANS_SYNC_RATE_VALID |
2908                                     CCB_TRANS_SYNC_OFFSET_VALID;
2909                         }
2910 #else
2911                         cts->protocol = PROTO_SCSI;
2912                         cts->protocol_version = SCSI_REV_2;
2913                         cts->transport = XPORT_SPI;
2914                         cts->transport_version = 2;
2915
2916                         spi->valid = 0;
2917                         scsi->valid = 0;
2918                         spi->flags = 0;
2919                         scsi->flags = 0;
2920                         if (dval & DPARM_DISC) {
2921                                 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
2922                         }
2923                         if ((dval & DPARM_SYNC) && oval && pval) {
2924                                 spi->sync_offset = oval;
2925                                 spi->sync_period = pval;
2926                         } else {
2927                                 spi->sync_offset = 0;
2928                                 spi->sync_period = 0;
2929                         }
2930                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
2931                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
2932                         spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
2933                         if (dval & DPARM_WIDE) {
2934                                 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
2935                         } else {
2936                                 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
2937                         }
2938                         if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
2939                                 scsi->valid = CTS_SCSI_VALID_TQ;
2940                                 if (dval & DPARM_TQING) {
2941                                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
2942                                 }
2943                                 spi->valid |= CTS_SPI_VALID_DISC;
2944                         }
2945 #endif
2946                         isp_prt(isp, ISP_LOGDEBUG0,
2947                             "GET %s (%d.%d.%d) to flags %x off %x per %x",
2948                             IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
2949                             bus, tgt, cts->ccb_h.target_lun, dval, oval, pval);
2950                 }
2951                 ISPLOCK_2_CAMLOCK(isp);
2952                 ccb->ccb_h.status = CAM_REQ_CMP;
2953                 xpt_done(ccb);
2954                 break;
2955
2956         case XPT_CALC_GEOMETRY:
2957 #if __FreeBSD_version < 500000
2958         {
2959                 struct ccb_calc_geometry *ccg;
2960                 u_int32_t secs_per_cylinder;
2961                 u_int32_t size_mb;
2962
2963                 ccg = &ccb->ccg;
2964                 if (ccg->block_size == 0) {
2965                         ccb->ccb_h.status = CAM_REQ_INVALID;
2966                         xpt_done(ccb);
2967                         break;
2968                 }
2969                 size_mb = ccg->volume_size /((1024L * 1024L) / ccg->block_size);
2970                 if (size_mb > 1024) {
2971                         ccg->heads = 255;
2972                         ccg->secs_per_track = 63;
2973                 } else {
2974                         ccg->heads = 64;
2975                         ccg->secs_per_track = 32;
2976                 }
2977                 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2978                 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2979                 ccb->ccb_h.status = CAM_REQ_CMP;
2980                 xpt_done(ccb);
2981                 break;
2982         }
2983 #else
2984         {
2985                 cam_calc_geometry(&ccb->ccg, /*extended*/1);
2986                 xpt_done(ccb);
2987                 break;
2988         }
2989 #endif
2990         case XPT_RESET_BUS:             /* Reset the specified bus */
2991                 bus = cam_sim_bus(sim);
2992                 CAMLOCK_2_ISPLOCK(isp);
2993                 error = isp_control(isp, ISPCTL_RESET_BUS, &bus);
2994                 ISPLOCK_2_CAMLOCK(isp);
2995                 if (error)
2996                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2997                 else {
2998                         if (cam_sim_bus(sim) && isp->isp_path2 != NULL)
2999                                 xpt_async(AC_BUS_RESET, isp->isp_path2, NULL);
3000                         else if (isp->isp_path != NULL)
3001                                 xpt_async(AC_BUS_RESET, isp->isp_path, NULL);
3002                         ccb->ccb_h.status = CAM_REQ_CMP;
3003                 }
3004                 xpt_done(ccb);
3005                 break;
3006
3007         case XPT_TERM_IO:               /* Terminate the I/O process */
3008                 ccb->ccb_h.status = CAM_REQ_INVALID;
3009                 xpt_done(ccb);
3010                 break;
3011
3012         case XPT_PATH_INQ:              /* Path routing inquiry */
3013         {
3014                 struct ccb_pathinq *cpi = &ccb->cpi;
3015
3016                 cpi->version_num = 1;
3017 #ifdef  ISP_TARGET_MODE
3018                 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
3019 #else
3020                 cpi->target_sprt = 0;
3021 #endif
3022                 cpi->hba_eng_cnt = 0;
3023                 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
3024                 cpi->max_lun = ISP_MAX_LUNS(isp) - 1;
3025                 cpi->bus_id = cam_sim_bus(sim);
3026                 if (IS_FC(isp)) {
3027                         cpi->hba_misc = PIM_NOBUSRESET;
3028                         /*
3029                          * Because our loop ID can shift from time to time,
3030                          * make our initiator ID out of range of our bus.
3031                          */
3032                         cpi->initiator_id = cpi->max_target + 1;
3033
3034                         /*
3035                          * Set base transfer capabilities for Fibre Channel.
3036                          * Technically not correct because we don't know
3037                          * what media we're running on top of- but we'll
3038                          * look good if we always say 100MB/s.
3039                          */
3040                         if (FCPARAM(isp)->isp_gbspeed == 2)
3041                                 cpi->base_transfer_speed = 200000;
3042                         else
3043                                 cpi->base_transfer_speed = 100000;
3044                         cpi->hba_inquiry = PI_TAG_ABLE;
3045 #ifdef  CAM_NEW_TRAN_CODE
3046                         cpi->transport = XPORT_FC;
3047                         cpi->transport_version = 0;
3048 #endif
3049                 } else {
3050                         sdparam *sdp = isp->isp_param;
3051                         sdp += cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
3052                         cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3053                         cpi->hba_misc = 0;
3054                         cpi->initiator_id = sdp->isp_initiator_id;
3055                         cpi->base_transfer_speed = 3300;
3056 #ifdef  CAM_NEW_TRAN_CODE
3057                         cpi->transport = XPORT_SPI;
3058                         cpi->transport_version = 2;
3059 #endif
3060                 }
3061 #ifdef  CAM_NEW_TRAN_CODE
3062                 cpi->protocol = PROTO_SCSI;
3063                 cpi->protocol_version = SCSI_REV_2;
3064 #endif
3065                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
3066                 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
3067                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
3068                 cpi->unit_number = cam_sim_unit(sim);
3069                 cpi->ccb_h.status = CAM_REQ_CMP;
3070                 xpt_done(ccb);
3071                 break;
3072         }
3073         default:
3074                 ccb->ccb_h.status = CAM_REQ_INVALID;
3075                 xpt_done(ccb);
3076                 break;
3077         }
3078 }
3079
3080 #define ISPDDB  (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
3081
3082 void
3083 isp_done(struct ccb_scsiio *sccb)
3084 {
3085         ispsoftc_t *isp = XS_ISP(sccb);
3086
3087         if (XS_NOERR(sccb))
3088                 XS_SETERR(sccb, CAM_REQ_CMP);
3089
3090         if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP &&
3091             (sccb->scsi_status != SCSI_STATUS_OK)) {
3092                 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
3093                 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) &&
3094                     (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
3095                         sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
3096                 } else {
3097                         sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
3098                 }
3099         }
3100
3101         sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
3102         if ((sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3103                 isp_prt(isp, ISP_LOGDEBUG0,
3104                     "target %d lun %d CAM status 0x%x SCSI status 0x%x",
3105                     XS_TGT(sccb), XS_LUN(sccb), sccb->ccb_h.status,
3106                     sccb->scsi_status);
3107                 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
3108                         sccb->ccb_h.status |= CAM_DEV_QFRZN;
3109                         xpt_freeze_devq(sccb->ccb_h.path, 1);
3110                 }
3111         }
3112
3113         if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) &&
3114             (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3115                 xpt_print(sccb->ccb_h.path,
3116                     "cam completion status 0x%x\n", sccb->ccb_h.status);
3117         }
3118
3119         XS_CMD_S_DONE(sccb);
3120         if (XS_CMD_WDOG_P(sccb) == 0) {
3121                 untimeout(isp_watchdog, sccb, sccb->ccb_h.timeout_ch);
3122                 if (XS_CMD_GRACE_P(sccb)) {
3123                         isp_prt(isp, ISP_LOGDEBUG2,
3124                             "finished command on borrowed time");
3125                 }
3126                 XS_CMD_S_CLEAR(sccb);
3127                 ISPLOCK_2_CAMLOCK(isp);
3128                 xpt_done((union ccb *) sccb);
3129                 CAMLOCK_2_ISPLOCK(isp);
3130         }
3131 }
3132
3133 int
3134 isp_async(ispsoftc_t *isp, ispasync_t cmd, void *arg)
3135 {
3136         int bus, rv = 0;
3137         static const char prom[] =
3138             "PortID 0x%06x handle 0x%x role %s %s\n"
3139             "      WWNN 0x%08x%08x WWPN 0x%08x%08x";
3140         static const char prom2[] =
3141             "PortID 0x%06x handle 0x%x role %s %s tgt %u\n"
3142             "      WWNN 0x%08x%08x WWPN 0x%08x%08x";
3143         char *msg = NULL;
3144         target_id_t tgt;
3145         fcportdb_t *lp;
3146         struct cam_path *tmppath;
3147
3148         switch (cmd) {
3149         case ISPASYNC_NEW_TGT_PARAMS:
3150         {
3151 #ifdef  CAM_NEW_TRAN_CODE
3152                 struct ccb_trans_settings_scsi *scsi;
3153                 struct ccb_trans_settings_spi *spi;
3154 #endif
3155                 int flags, tgt;
3156                 sdparam *sdp = isp->isp_param;
3157                 struct ccb_trans_settings cts;
3158
3159                 memset(&cts, 0, sizeof (struct ccb_trans_settings));
3160
3161                 tgt = *((int *)arg);
3162                 bus = (tgt >> 16) & 0xffff;
3163                 tgt &= 0xffff;
3164                 sdp += bus;
3165                 ISPLOCK_2_CAMLOCK(isp);
3166                 if (xpt_create_path(&tmppath, NULL,
3167                     cam_sim_path(bus? isp->isp_sim2 : isp->isp_sim),
3168                     tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
3169                         CAMLOCK_2_ISPLOCK(isp);
3170                         isp_prt(isp, ISP_LOGWARN,
3171                             "isp_async cannot make temp path for %d.%d",
3172                             tgt, bus);
3173                         rv = -1;
3174                         break;
3175                 }
3176                 CAMLOCK_2_ISPLOCK(isp);
3177                 flags = sdp->isp_devparam[tgt].actv_flags;
3178 #ifdef  CAM_NEW_TRAN_CODE
3179                 cts.type = CTS_TYPE_CURRENT_SETTINGS;
3180                 cts.protocol = PROTO_SCSI;
3181                 cts.transport = XPORT_SPI;
3182
3183                 scsi = &cts.proto_specific.scsi;
3184                 spi = &cts.xport_specific.spi;
3185
3186                 if (flags & DPARM_TQING) {
3187                         scsi->valid |= CTS_SCSI_VALID_TQ;
3188                         scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3189                 }
3190
3191                 if (flags & DPARM_DISC) {
3192                         spi->valid |= CTS_SPI_VALID_DISC;
3193                         spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3194                 }
3195                 spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
3196                 if (flags & DPARM_WIDE) {
3197                         spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3198                 } else {
3199                         spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3200                 }
3201                 if (flags & DPARM_SYNC) {
3202                         spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3203                         spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3204                         spi->sync_period = sdp->isp_devparam[tgt].actv_period;
3205                         spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
3206                 }
3207 #else
3208                 cts.flags = CCB_TRANS_CURRENT_SETTINGS;
3209                 cts.valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
3210                 if (flags & DPARM_DISC) {
3211                         cts.flags |= CCB_TRANS_DISC_ENB;
3212                 }
3213                 if (flags & DPARM_TQING) {
3214                         cts.flags |= CCB_TRANS_TAG_ENB;
3215                 }
3216                 cts.valid |= CCB_TRANS_BUS_WIDTH_VALID;
3217                 cts.bus_width = (flags & DPARM_WIDE)?
3218                     MSG_EXT_WDTR_BUS_8_BIT : MSG_EXT_WDTR_BUS_16_BIT;
3219                 cts.sync_period = sdp->isp_devparam[tgt].actv_period;
3220                 cts.sync_offset = sdp->isp_devparam[tgt].actv_offset;
3221                 if (flags & DPARM_SYNC) {
3222                         cts.valid |=
3223                             CCB_TRANS_SYNC_RATE_VALID |
3224                             CCB_TRANS_SYNC_OFFSET_VALID;
3225                 }
3226 #endif
3227                 isp_prt(isp, ISP_LOGDEBUG2,
3228                     "NEW_TGT_PARAMS bus %d tgt %d period %x offset %x flags %x",
3229                     bus, tgt, sdp->isp_devparam[tgt].actv_period,
3230                     sdp->isp_devparam[tgt].actv_offset, flags);
3231                 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
3232                 ISPLOCK_2_CAMLOCK(isp);
3233                 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
3234                 xpt_free_path(tmppath);
3235                 CAMLOCK_2_ISPLOCK(isp);
3236                 break;
3237         }
3238         case ISPASYNC_BUS_RESET:
3239                 bus = *((int *)arg);
3240                 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected",
3241                     bus);
3242                 if (bus > 0 && isp->isp_path2) {
3243                         ISPLOCK_2_CAMLOCK(isp);
3244                         xpt_async(AC_BUS_RESET, isp->isp_path2, NULL);
3245                         CAMLOCK_2_ISPLOCK(isp);
3246                 } else if (isp->isp_path) {
3247                         ISPLOCK_2_CAMLOCK(isp);
3248                         xpt_async(AC_BUS_RESET, isp->isp_path, NULL);
3249                         CAMLOCK_2_ISPLOCK(isp);
3250                 }
3251                 break;
3252         case ISPASYNC_LIP:
3253                 if (msg == NULL) {
3254                         msg = "LIP Received";
3255                 }
3256                 /* FALLTHROUGH */
3257         case ISPASYNC_LOOP_RESET:
3258                 if (msg == NULL) {
3259                         msg = "LOOP Reset";
3260                 }
3261                 /* FALLTHROUGH */
3262         case ISPASYNC_LOOP_DOWN:
3263                 if (msg == NULL) {
3264                         msg = "LOOP Down";
3265                 }
3266                 if (isp->isp_path) {
3267                         isp_freeze_loopdown(isp, msg);
3268                 }
3269                 if (isp->isp_osinfo.ldt_running == 0) {
3270                         isp->isp_osinfo.ldt = timeout(isp_ldt, isp,
3271                             isp->isp_osinfo.loop_down_limit * hz);
3272                         isp->isp_osinfo.ldt_running = 1;
3273                         isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0,
3274                            "starting Loop Down Timer");
3275                 }
3276                 isp_prt(isp, ISP_LOGINFO, msg);
3277                 break;
3278         case ISPASYNC_LOOP_UP:
3279                 /*
3280                  * Now we just note that Loop has come up. We don't
3281                  * actually do anything because we're waiting for a
3282                  * Change Notify before activating the FC cleanup
3283                  * thread to look at the state of the loop again.
3284                  */
3285                 isp_prt(isp, ISP_LOGINFO, "Loop UP");
3286                 break;
3287         case ISPASYNC_DEV_ARRIVED:
3288                 lp = arg;
3289                 lp->reserved = 0;
3290                 if ((isp->isp_role & ISP_ROLE_INITIATOR) &&
3291                     (lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT))) {
3292                         int dbidx = lp - FCPARAM(isp)->portdb;
3293                         int i;
3294
3295                         for (i = 0; i < MAX_FC_TARG; i++) {
3296                                 if (i >= FL_ID && i <= SNS_ID) {
3297                                         continue;
3298                                 }
3299                                 if (FCPARAM(isp)->isp_ini_map[i] == 0) {
3300                                         break;
3301                                 }
3302                         }
3303                         if (i < MAX_FC_TARG) {
3304                                 FCPARAM(isp)->isp_ini_map[i] = dbidx + 1;
3305                                 lp->ini_map_idx = i + 1;
3306                         } else {
3307                                 isp_prt(isp, ISP_LOGWARN, "out of target ids");
3308                                 isp_dump_portdb(isp);
3309                         }
3310                 }
3311                 if (lp->ini_map_idx) {
3312                         tgt = lp->ini_map_idx - 1;
3313                         isp_prt(isp, ISP_LOGCONFIG, prom2,
3314                             lp->portid, lp->handle,
3315                             roles[lp->roles], "arrived at", tgt,
3316                             (uint32_t) (lp->node_wwn >> 32),
3317                             (uint32_t) lp->node_wwn,
3318                             (uint32_t) (lp->port_wwn >> 32),
3319                             (uint32_t) lp->port_wwn);
3320                         isp_make_here(isp, tgt);
3321                 } else {
3322                         isp_prt(isp, ISP_LOGCONFIG, prom,
3323                             lp->portid, lp->handle,
3324                             roles[lp->roles], "arrived",
3325                             (uint32_t) (lp->node_wwn >> 32),
3326                             (uint32_t) lp->node_wwn,
3327                             (uint32_t) (lp->port_wwn >> 32),
3328                             (uint32_t) lp->port_wwn);
3329                 }
3330                 break;
3331         case ISPASYNC_DEV_CHANGED:
3332                 lp = arg;
3333                 if (isp_change_is_bad) {
3334                         lp->state = FC_PORTDB_STATE_NIL;
3335                         if (lp->ini_map_idx) {
3336                                 tgt = lp->ini_map_idx - 1;
3337                                 FCPARAM(isp)->isp_ini_map[tgt] = 0;
3338                                 lp->ini_map_idx = 0;
3339                                 isp_prt(isp, ISP_LOGCONFIG, prom3,
3340                                     lp->portid, tgt, "change is bad");
3341                                 isp_make_gone(isp, tgt);
3342                         } else {
3343                                 isp_prt(isp, ISP_LOGCONFIG, prom,
3344                                     lp->portid, lp->handle,
3345                                     roles[lp->roles],
3346                                     "changed and departed",
3347                                     (uint32_t) (lp->node_wwn >> 32),
3348                                     (uint32_t) lp->node_wwn,
3349                                     (uint32_t) (lp->port_wwn >> 32),
3350                                     (uint32_t) lp->port_wwn);
3351                         }
3352                 } else {
3353                         lp->portid = lp->new_portid;
3354                         lp->roles = lp->new_roles;
3355                         if (lp->ini_map_idx) {
3356                                 int t = lp->ini_map_idx - 1;
3357                                 FCPARAM(isp)->isp_ini_map[t] =
3358                                     (lp - FCPARAM(isp)->portdb) + 1;
3359                                 tgt = lp->ini_map_idx - 1;
3360                                 isp_prt(isp, ISP_LOGCONFIG, prom2,
3361                                     lp->portid, lp->handle,
3362                                     roles[lp->roles], "changed at", tgt,
3363                                     (uint32_t) (lp->node_wwn >> 32),
3364                                     (uint32_t) lp->node_wwn,
3365                                     (uint32_t) (lp->port_wwn >> 32),
3366                                     (uint32_t) lp->port_wwn);
3367                         } else {
3368                                 isp_prt(isp, ISP_LOGCONFIG, prom,
3369                                     lp->portid, lp->handle,
3370                                     roles[lp->roles], "changed",
3371                                     (uint32_t) (lp->node_wwn >> 32),
3372                                     (uint32_t) lp->node_wwn,
3373                                     (uint32_t) (lp->port_wwn >> 32),
3374                                     (uint32_t) lp->port_wwn);
3375                         }
3376                 }
3377                 break;
3378         case ISPASYNC_DEV_STAYED:
3379                 lp = arg;
3380                 if (lp->ini_map_idx) {
3381                         tgt = lp->ini_map_idx - 1;
3382                         isp_prt(isp, ISP_LOGCONFIG, prom2,
3383                             lp->portid, lp->handle,
3384                             roles[lp->roles], "stayed at", tgt,
3385                             (uint32_t) (lp->node_wwn >> 32),
3386                             (uint32_t) lp->node_wwn,
3387                             (uint32_t) (lp->port_wwn >> 32),
3388                             (uint32_t) lp->port_wwn);
3389                 } else {
3390                         isp_prt(isp, ISP_LOGCONFIG, prom,
3391                             lp->portid, lp->handle,
3392                             roles[lp->roles], "stayed",
3393                             (uint32_t) (lp->node_wwn >> 32),
3394                             (uint32_t) lp->node_wwn,
3395                             (uint32_t) (lp->port_wwn >> 32),
3396                             (uint32_t) lp->port_wwn);
3397                 }
3398                 break;
3399         case ISPASYNC_DEV_GONE:
3400                 lp = arg;
3401                 /*
3402                  * If this has a virtual target and we haven't marked it
3403                  * that we're going to have isp_gdt tell the OS it's gone,
3404                  * set the isp_gdt timer running on it.
3405                  *
3406                  * If it isn't marked that isp_gdt is going to get rid of it,
3407                  * announce that it's gone.
3408                  */
3409                 if (lp->ini_map_idx && lp->reserved == 0) {
3410                         lp->reserved = 1;
3411                         lp->new_reserved = isp->isp_osinfo.gone_device_time;
3412                         lp->state = FC_PORTDB_STATE_ZOMBIE;
3413                         if (isp->isp_osinfo.gdt_running == 0) {
3414                                 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0,
3415                                     "starting Gone Device Timer");
3416                                 isp->isp_osinfo.gdt = timeout(isp_gdt, isp, hz);
3417                                 isp->isp_osinfo.gdt_running = 1;
3418                         }
3419                         tgt = lp->ini_map_idx - 1;
3420                         isp_prt(isp, ISP_LOGCONFIG, prom2,
3421                             lp->portid, lp->handle,
3422                             roles[lp->roles], "gone zombie at", tgt,
3423                             (uint32_t) (lp->node_wwn >> 32),
3424                             (uint32_t) lp->node_wwn,
3425                             (uint32_t) (lp->port_wwn >> 32),
3426                             (uint32_t) lp->port_wwn);
3427                 } else if (lp->reserved == 0) {
3428                         isp_prt(isp, ISP_LOGCONFIG, prom,
3429                             lp->portid, lp->handle,
3430                             roles[lp->roles], "departed",
3431                             (uint32_t) (lp->node_wwn >> 32),
3432                             (uint32_t) lp->node_wwn,
3433                             (uint32_t) (lp->port_wwn >> 32),
3434                             (uint32_t) lp->port_wwn);
3435                 }
3436                 break;
3437         case ISPASYNC_CHANGE_NOTIFY:
3438         {
3439                 char *msg;
3440                 if (arg == ISPASYNC_CHANGE_PDB) {
3441                         msg = "Port Database Changed";
3442                 } else if (arg == ISPASYNC_CHANGE_SNS) {
3443                         msg = "Name Server Database Changed";
3444                 } else {
3445                         msg = "Other Change Notify";
3446                 }
3447                 /*
3448                  * If the loop down timer is running, cancel it.
3449                  */
3450                 if (isp->isp_osinfo.ldt_running) {
3451                         isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0,
3452                            "Stopping Loop Down Timer");
3453                         isp->isp_osinfo.ldt_running = 0;
3454                         untimeout(isp_ldt, isp, isp->isp_osinfo.ldt);
3455                         callout_handle_init(&isp->isp_osinfo.ldt);
3456                 }
3457                 isp_prt(isp, ISP_LOGINFO, msg);
3458                 isp_freeze_loopdown(isp, msg);
3459 #if __FreeBSD_version < 500000
3460                 wakeup(&isp->isp_osinfo.kproc);
3461 #else
3462 #ifdef  ISP_SMPLOCK
3463                 cv_signal(&isp->isp_osinfo.kthread_cv);
3464 #else
3465                 wakeup(&isp->isp_osinfo.kthread_cv);
3466 #endif
3467 #endif
3468                 break;
3469         }
3470 #ifdef  ISP_TARGET_MODE
3471         case ISPASYNC_TARGET_NOTIFY:
3472         {
3473                 tmd_notify_t *nt = arg;
3474                 isp_prt(isp, ISP_LOGALL,
3475                     "target notify code 0x%x", nt->nt_ncode);
3476                 break;
3477         }
3478         case ISPASYNC_TARGET_ACTION:
3479                 switch (((isphdr_t *)arg)->rqs_entry_type) {
3480                 default:
3481                         isp_prt(isp, ISP_LOGWARN,
3482                            "event 0x%x for unhandled target action",
3483                             ((isphdr_t *)arg)->rqs_entry_type);
3484                         break;
3485                 case RQSTYPE_NOTIFY:
3486                         if (IS_SCSI(isp)) {
3487                                 rv = isp_handle_platform_notify_scsi(isp,
3488                                     (in_entry_t *) arg);
3489                         } else {
3490                                 rv = isp_handle_platform_notify_fc(isp,
3491                                     (in_fcentry_t *) arg);
3492                         }
3493                         break;
3494                 case RQSTYPE_ATIO:
3495                         rv = isp_handle_platform_atio(isp, (at_entry_t *) arg);
3496                         break;
3497                 case RQSTYPE_ATIO2:
3498                         rv = isp_handle_platform_atio2(isp, (at2_entry_t *)arg);
3499                         break;
3500                 case RQSTYPE_CTIO3:
3501                 case RQSTYPE_CTIO2:
3502                 case RQSTYPE_CTIO:
3503                         rv = isp_handle_platform_ctio(isp, arg);
3504                         break;
3505                 case RQSTYPE_ENABLE_LUN:
3506                 case RQSTYPE_MODIFY_LUN:
3507                         isp_ledone(isp, (lun_entry_t *) arg);
3508                         break;
3509                 }
3510                 break;
3511 #endif
3512         case ISPASYNC_FW_CRASH:
3513         {
3514                 uint16_t mbox1, mbox6;
3515                 mbox1 = ISP_READ(isp, OUTMAILBOX1);
3516                 if (IS_DUALBUS(isp)) {
3517                         mbox6 = ISP_READ(isp, OUTMAILBOX6);
3518                 } else {
3519                         mbox6 = 0;
3520                 }
3521                 isp_prt(isp, ISP_LOGERR,
3522                     "Internal Firmware Error on bus %d @ RISC Address 0x%x",
3523                     mbox6, mbox1);
3524 #ifdef  ISP_FW_CRASH_DUMP
3525                 /*
3526                  * XXX: really need a thread to do this right.
3527                  */
3528                 if (IS_FC(isp)) {
3529                         FCPARAM(isp)->isp_fwstate = FW_CONFIG_WAIT;
3530                         FCPARAM(isp)->isp_loopstate = LOOP_NIL;
3531                         isp_freeze_loopdown(isp, "f/w crash");
3532                         isp_fw_dump(isp);
3533                 }
3534                 isp_reinit(isp);
3535                 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
3536 #endif
3537                 break;
3538         }
3539         case ISPASYNC_UNHANDLED_RESPONSE:
3540                 break;
3541         default:
3542                 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
3543                 break;
3544         }
3545         return (rv);
3546 }
3547
3548
3549 /*
3550  * Locks are held before coming here.
3551  */
3552 void
3553 isp_uninit(ispsoftc_t *isp)
3554 {
3555         if (IS_24XX(isp)) {
3556                 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
3557         } else {
3558                 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
3559         }
3560         ISP_DISABLE_INTS(isp);
3561 }
3562
3563 void
3564 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
3565 {
3566         va_list ap;
3567         if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
3568                 return;
3569         }
3570         printf("%s: ", device_get_nameunit(isp->isp_dev));
3571         va_start(ap, fmt);
3572         vprintf(fmt, ap);
3573         va_end(ap);
3574         printf("\n");
3575 }
3576
3577 uint64_t
3578 isp_nanotime_sub(struct timespec *b, struct timespec *a)
3579 {
3580         uint64_t elapsed;
3581         struct timespec x = *b;
3582         timespecsub(&x, a);
3583         elapsed = GET_NANOSEC(&x);
3584         if (elapsed == 0)
3585                 elapsed++;
3586         return (elapsed);
3587 }
3588
3589 int
3590 isp_mbox_acquire(ispsoftc_t *isp)
3591 {
3592         if (isp->isp_osinfo.mboxbsy) {
3593                 return (1);
3594         } else {
3595                 isp->isp_osinfo.mboxcmd_done = 0;
3596                 isp->isp_osinfo.mboxbsy = 1;
3597                 return (0);
3598         }
3599 }
3600
3601 void
3602 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
3603 {
3604         unsigned int usecs = mbp->timeout;
3605         unsigned int max, olim, ilim;
3606
3607         if (usecs == 0) {
3608                 usecs = MBCMD_DEFAULT_TIMEOUT;
3609         }
3610         max = isp->isp_mbxwrk0 + 1;
3611
3612         if (isp->isp_osinfo.mbox_sleep_ok) {
3613                 unsigned int ms = (usecs + 999) / 1000;
3614
3615                 isp->isp_osinfo.mbox_sleep_ok = 0;
3616                 isp->isp_osinfo.mbox_sleeping = 1;
3617                 for (olim = 0; olim < max; olim++) {
3618 #if __FreeBSD_version < 500000  || !defined(ISP_SMPLOCK)
3619                         tsleep(&isp->isp_mbxworkp, PRIBIO, "ispmbx_sleep",
3620                             isp_mstohz(ms));
3621 #else
3622                         msleep(&isp->isp_mbxworkp, &isp->isp_mtx, PRIBIO,
3623                             "ispmbx_sleep", isp_mstohz(ms));
3624 #endif
3625                         if (isp->isp_osinfo.mboxcmd_done) {
3626                                 break;
3627                         }
3628                 }
3629                 isp->isp_osinfo.mbox_sleep_ok = 1;
3630                 isp->isp_osinfo.mbox_sleeping = 0;
3631         } else {
3632                 for (olim = 0; olim < max; olim++) {
3633                         for (ilim = 0; ilim < usecs; ilim += 100) {
3634                                 uint32_t isr;
3635                                 uint16_t sema, mbox;
3636                                 if (isp->isp_osinfo.mboxcmd_done) {
3637                                         break;
3638                                 }
3639                                 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
3640                                         isp_intr(isp, isr, sema, mbox);
3641                                         if (isp->isp_osinfo.mboxcmd_done) {
3642                                                 break;
3643                                         }
3644                                 }
3645                                 USEC_DELAY(100);
3646                         }
3647                         if (isp->isp_osinfo.mboxcmd_done) {
3648                                 break;
3649                         }
3650                 }
3651         }
3652         if (isp->isp_osinfo.mboxcmd_done == 0) {
3653                 isp_prt(isp, ISP_LOGWARN,
3654                     "%s Mailbox Command (0x%x) Timeout",
3655                     isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled",
3656                     isp->isp_lastmbxcmd);
3657                 mbp->param[0] = MBOX_TIMEOUT;
3658                 isp->isp_osinfo.mboxcmd_done = 1;
3659         }
3660 }
3661
3662 void
3663 isp_mbox_notify_done(ispsoftc_t *isp)
3664 {
3665         if (isp->isp_osinfo.mbox_sleeping) {
3666                 wakeup(&isp->isp_mbxworkp);
3667         }
3668         isp->isp_osinfo.mboxcmd_done = 1;
3669 }
3670
3671 void
3672 isp_mbox_release(ispsoftc_t *isp)
3673 {
3674         isp->isp_osinfo.mboxbsy = 0;
3675 }
3676
3677 int
3678 isp_mstohz(int ms)
3679 {
3680         int hz;
3681         struct timeval t;
3682         t.tv_sec = ms / 1000;
3683         t.tv_usec = (ms % 1000) * 1000;
3684         hz = tvtohz(&t);
3685         if (hz < 0) {
3686                 hz = 0x7fffffff;
3687         }
3688         if (hz == 0) {
3689                 hz = 1;
3690         }
3691         return (hz);
3692 }