sys/dev/hpt27xx/hpt27xx_osm_bsd.c

   1 /*-
   2  * Copyright (c) 2011 HighPoint Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28
  29 #include <dev/hpt27xx/hpt27xx_config.h>
  30
  31 #include <dev/hpt27xx/os_bsd.h>
  32 #include <dev/hpt27xx/hptintf.h>
  33
  34 static HIM *hpt_match(device_t dev)
  35 {
  36         PCI_ID pci_id;
  37         HIM *him;
  38         int i;
  39
  40         for (him = him_list; him; him = him->next) {
  41                 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
  42                         if (him->get_controller_count)
  43                                 him->get_controller_count(&pci_id,0,0);
  44                         if ((pci_get_vendor(dev) == pci_id.vid) &&
  45                                 (pci_get_device(dev) == pci_id.did)){
  46                                 return (him);
  47                         }
  48                 }
  49         }
  50         return (NULL);
  51 }
  52
  53 static int hpt_probe(device_t dev)
  54 {
  55         HIM *him;
  56
  57         him = hpt_match(dev);
  58         if (him != NULL) {
  59                 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
  60                         pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
  61                         ));
  62                 device_set_desc(dev, him->name);
  63                 return (BUS_PROBE_DEFAULT);
  64         }
  65
  66         return (ENXIO);
  67 }
  68
  69 static int hpt_attach(device_t dev)
  70 {
  71         PHBA hba = (PHBA)device_get_softc(dev);
  72         HIM *him;
  73         PCI_ID pci_id;
  74         HPT_UINT size;
  75         PVBUS vbus;
  76         PVBUS_EXT vbus_ext;
  77
  78         KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
  79
  80         him = hpt_match(dev);
  81         hba->ext_type = EXT_TYPE_HBA;
  82         hba->ldm_adapter.him = him;
  83 #if __FreeBSD_version >=440000
  84         pci_enable_busmaster(dev);
  85 #endif
  86
  87         pci_id.vid = pci_get_vendor(dev);
  88         pci_id.did = pci_get_device(dev);
  89         pci_id.rev = pci_get_revid(dev);
  90         pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev);
  91
  92         size = him->get_adapter_size(&pci_id);
  93         hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
  94         if (!hba->ldm_adapter.him_handle)
  95                 return ENXIO;
  96
  97         hba->pcidev = dev;
  98         hba->pciaddr.tree = 0;
  99         hba->pciaddr.bus = pci_get_bus(dev);
 100         hba->pciaddr.device = pci_get_slot(dev);
 101         hba->pciaddr.function = pci_get_function(dev);
 102
 103         if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
 104                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 105                 return ENXIO;
 106         }
 107
 108         os_printk("adapter at PCI %d:%d:%d, IRQ %d",
 109                 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
 110
 111         if (!ldm_register_adapter(&hba->ldm_adapter)) {
 112                 size = ldm_get_vbus_size();
 113                 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
 114                 if (!vbus_ext) {
 115                         free(hba->ldm_adapter.him_handle, M_DEVBUF);
 116                         return ENXIO;
 117                 }
 118                 memset(vbus_ext, 0, sizeof(VBUS_EXT));
 119                 vbus_ext->ext_type = EXT_TYPE_VBUS;
 120                 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
 121                 ldm_register_adapter(&hba->ldm_adapter);
 122         }
 123
 124         ldm_for_each_vbus(vbus, vbus_ext) {
 125                 if (hba->ldm_adapter.vbus==vbus) {
 126                         hba->vbus_ext = vbus_ext;
 127                         hba->next = vbus_ext->hba_list;
 128                         vbus_ext->hba_list = hba;
 129                         break;
 130                 }
 131         }
 132         return 0;
 133 }
 134
 135 /*
 136  * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
 137  * but there are some problems currently (alignment, etc).
 138  */
 139 static __inline void *__get_free_pages(int order)
 140 {
 141         /* don't use low memory - other devices may get starved */
 142         return contigmalloc(PAGE_SIZE<<order,
 143                         M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
 144 }
 145
 146 static __inline void free_pages(void *p, int order)
 147 {
 148         contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
 149 }
 150
 151 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
 152 {
 153         PHBA hba;
 154         struct freelist *f;
 155         HPT_UINT i;
 156         void **p;
 157
 158         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 159                 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
 160
 161         ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
 162
 163         for (f=vbus_ext->freelist_head; f; f=f->next) {
 164                 KdPrint(("%s: %d*%d=%d bytes",
 165                         f->tag, f->count, f->size, f->count*f->size));
 166                 for (i=0; i<f->count; i++) {
 167                         p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
 168                         if (!p) return (ENXIO);
 169                         *p = f->head;
 170                         f->head = p;
 171                 }
 172         }
 173
 174         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 175                 int order, size, j;
 176
 177                 HPT_ASSERT((f->size & (f->alignment-1))==0);
 178
 179                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
 180                         ;
 181
 182                 KdPrint(("%s: %d*%d=%d bytes, order %d",
 183                         f->tag, f->count, f->size, f->count*f->size, order));
 184                 HPT_ASSERT(f->alignment<=PAGE_SIZE);
 185
 186                 for (i=0; i<f->count;) {
 187                         p = (void **)__get_free_pages(order);
 188                         if (!p) return -1;
 189                         for (j = size/f->size; j && i<f->count; i++,j--) {
 190                                 *p = f->head;
 191                                 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
 192                                 f->head = p;
 193                                 p = (void **)((unsigned long)p + f->size);
 194                         }
 195                 }
 196         }
 197
 198         HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
 199
 200         for (i=0; i<os_max_cache_pages; i++) {
 201                 p = (void **)__get_free_pages(0);
 202                 if (!p) return -1;
 203                 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
 204                 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
 205         }
 206
 207         return 0;
 208 }
 209
 210 static void hpt_free_mem(PVBUS_EXT vbus_ext)
 211 {
 212         struct freelist *f;
 213         void *p;
 214         int i;
 215         BUS_ADDRESS bus;
 216
 217         for (f=vbus_ext->freelist_head; f; f=f->next) {
 218 #if DBG
 219                 if (f->count!=f->reserved_count) {
 220                         KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 221                 }
 222 #endif
 223                 while ((p=freelist_get(f)))
 224                         free(p, M_DEVBUF);
 225         }
 226
 227         for (i=0; i<os_max_cache_pages; i++) {
 228                 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
 229                 HPT_ASSERT(p);
 230                 free_pages(p, 0);
 231         }
 232
 233         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 234                 int order, size;
 235 #if DBG
 236                 if (f->count!=f->reserved_count) {
 237                         KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 238                 }
 239 #endif
 240                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 241
 242                 while ((p=freelist_get_dma(f, &bus))) {
 243                         if (order)
 244                                 free_pages(p, order);
 245                         else {
 246                         /* can't free immediately since other blocks in this page may still be in the list */
 247                                 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
 248                                         dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
 249                         }
 250                 }
 251         }
 252
 253         while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
 254                 free_pages(p, 0);
 255 }
 256
 257 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
 258 {
 259         PHBA hba;
 260
 261         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 262                 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
 263                         KdPrint(("fail to initialize %p", hba));
 264                         return -1;
 265                 }
 266
 267         ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
 268         return 0;
 269 }
 270
 271 static void hpt_flush_done(PCOMMAND pCmd)
 272 {
 273         PVDEV vd = pCmd->target;
 274
 275         if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
 276                 vd = vd->u.array.transform->target;
 277                 HPT_ASSERT(vd);
 278                 pCmd->target = vd;
 279                 pCmd->Result = RETURN_PENDING;
 280                 vdev_queue_cmd(pCmd);
 281                 return;
 282         }
 283
 284         *(int *)pCmd->priv = 1;
 285         wakeup(pCmd);
 286 }
 287
 288 /*
 289  * flush a vdev (without retry).
 290  */
 291 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 292 {
 293         PCOMMAND pCmd;
 294         int result = 0, done;
 295         HPT_UINT count;
 296
 297         KdPrint(("flusing dev %p", vd));
 298
 299         hpt_lock_vbus(vbus_ext);
 300
 301         if (mIsArray(vd->type) && vd->u.array.transform)
 302                 count = MAX(vd->u.array.transform->source->cmds_per_request,
 303                                         vd->u.array.transform->target->cmds_per_request);
 304         else
 305                 count = vd->cmds_per_request;
 306
 307         pCmd = ldm_alloc_cmds(vd->vbus, count);
 308
 309         if (!pCmd) {
 310                 hpt_unlock_vbus(vbus_ext);
 311                 return -1;
 312         }
 313
 314         pCmd->type = CMD_TYPE_FLUSH;
 315         pCmd->flags.hard_flush = 1;
 316         pCmd->target = vd;
 317         pCmd->done = hpt_flush_done;
 318         done = 0;
 319         pCmd->priv = &done;
 320
 321         ldm_queue_cmd(pCmd);
 322
 323         if (!done) {
 324                 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
 325                         ldm_reset_vbus(vd->vbus);
 326                 }
 327         }
 328
 329         KdPrint(("flush result %d", pCmd->Result));
 330
 331         if (pCmd->Result!=RETURN_SUCCESS)
 332                 result = -1;
 333
 334         ldm_free_cmds(pCmd);
 335
 336         hpt_unlock_vbus(vbus_ext);
 337
 338         return result;
 339 }
 340
 341 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
 342 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
 343 {
 344         PVBUS     vbus = (PVBUS)vbus_ext->vbus;
 345         PHBA hba;
 346         int i;
 347
 348         KdPrint(("hpt_shutdown_vbus"));
 349
 350         /* stop all ctl tasks and disable the worker taskqueue */
 351         hpt_stop_tasks(vbus_ext);
 352         vbus_ext->worker.ta_context = 0;
 353
 354         /* flush devices */
 355         for (i=0; i<osm_max_targets; i++) {
 356                 PVDEV vd = ldm_find_target(vbus, i);
 357                 if (vd) {
 358                         /* retry once */
 359                         if (hpt_flush_vdev(vbus_ext, vd))
 360                                 hpt_flush_vdev(vbus_ext, vd);
 361                 }
 362         }
 363
 364         hpt_lock_vbus(vbus_ext);
 365         ldm_shutdown(vbus);
 366         hpt_unlock_vbus(vbus_ext);
 367
 368         ldm_release_vbus(vbus);
 369
 370         for (hba=vbus_ext->hba_list; hba; hba=hba->next)
 371                 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
 372
 373         hpt_free_mem(vbus_ext);
 374
 375         while ((hba=vbus_ext->hba_list)) {
 376                 vbus_ext->hba_list = hba->next;
 377                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 378         }
 379
 380         free(vbus_ext, M_DEVBUF);
 381         KdPrint(("hpt_shutdown_vbus done"));
 382 }
 383
 384 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
 385 {
 386         OSM_TASK *tasks;
 387
 388         tasks = vbus_ext->tasks;
 389         vbus_ext->tasks = 0;
 390
 391         while (tasks) {
 392                 OSM_TASK *t = tasks;
 393                 tasks = t->next;
 394                 t->next = 0;
 395                 t->func(vbus_ext->vbus, t->data);
 396         }
 397 }
 398
 399 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
 400 {
 401         if(vbus_ext){
 402                 hpt_lock_vbus(vbus_ext);
 403                 __hpt_do_tasks(vbus_ext);
 404                 hpt_unlock_vbus(vbus_ext);
 405         }
 406 }
 407
 408 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
 409 static void hpt_poll(struct cam_sim *sim);
 410 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
 411 static void hpt_pci_intr(void *arg);
 412
 413 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
 414 {
 415         POS_CMDEXT p = vbus_ext->cmdext_list;
 416         if (p)
 417                 vbus_ext->cmdext_list = p->next;
 418         return p;
 419 }
 420
 421 static __inline void cmdext_put(POS_CMDEXT p)
 422 {
 423         p->next = p->vbus_ext->cmdext_list;
 424         p->vbus_ext->cmdext_list = p;
 425 }
 426
 427 static void hpt_timeout(void *arg)
 428 {
 429         PCOMMAND pCmd = (PCOMMAND)arg;
 430         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 431
 432         KdPrint(("pCmd %p timeout", pCmd));
 433
 434         ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
 435 }
 436
 437 static void os_cmddone(PCOMMAND pCmd)
 438 {
 439         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 440         union ccb *ccb = ext->ccb;
 441
 442         KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
 443
 444         callout_stop(&ext->timeout);
 445
 446         switch(pCmd->Result) {
 447         case RETURN_SUCCESS:
 448                 ccb->ccb_h.status = CAM_REQ_CMP;
 449                 break;
 450         case RETURN_BAD_DEVICE:
 451                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 452                 break;
 453         case RETURN_DEVICE_BUSY:
 454                 ccb->ccb_h.status = CAM_BUSY;
 455                 break;
 456         case RETURN_INVALID_REQUEST:
 457                 ccb->ccb_h.status = CAM_REQ_INVALID;
 458                 break;
 459         case RETURN_SELECTION_TIMEOUT:
 460                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 461                 break;
 462         case RETURN_RETRY:
 463                 ccb->ccb_h.status = CAM_BUSY;
 464                 break;
 465         default:
 466                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 467                 break;
 468         }
 469
 470         if (pCmd->flags.data_in) {
 471                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
 472         }
 473         else if (pCmd->flags.data_out) {
 474                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
 475         }
 476
 477         bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
 478
 479         cmdext_put(ext);
 480         ldm_free_cmds(pCmd);
 481         xpt_done(ccb);
 482 }
 483
 484 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
 485 {
 486         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 487         union ccb *ccb = ext->ccb;
 488
 489         if (logical) {
 490                 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
 491                 pSg->size = ccb->csio.dxfer_len;
 492                 pSg->eot = 1;
 493                 return TRUE;
 494         }
 495
 496         /* since we have provided physical sg, nobody will ask us to build physical sg */
 497         HPT_ASSERT(0);
 498         return FALSE;
 499 }
 500
 501 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 502 {
 503         PCOMMAND pCmd = (PCOMMAND)arg;
 504         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 505         PSG psg = pCmd->psg;
 506         int idx;
 507
 508         HPT_ASSERT(pCmd->flags.physical_sg);
 509
 510         if (error)
 511                 panic("busdma error");
 512
 513         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 514
 515         if (nsegs != 0) {
 516                 for (idx = 0; idx < nsegs; idx++, psg++) {
 517                         psg->addr.bus = segs[idx].ds_addr;
 518                         psg->size = segs[idx].ds_len;
 519                         psg->eot = 0;
 520                 }
 521                 psg[-1].eot = 1;
 522
 523                 if (pCmd->flags.data_in) {
 524                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 525                             BUS_DMASYNC_PREREAD);
 526                 }
 527                 else if (pCmd->flags.data_out) {
 528                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 529                             BUS_DMASYNC_PREWRITE);
 530                 }
 531         }
 532         callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
 533         ldm_queue_cmd(pCmd);
 534 }
 535
 536 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 537 {
 538         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 539         PVDEV vd;
 540         PCOMMAND pCmd;
 541         POS_CMDEXT ext;
 542         HPT_U8 *cdb;
 543
 544         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 545                 cdb = ccb->csio.cdb_io.cdb_ptr;
 546         else
 547                 cdb = ccb->csio.cdb_io.cdb_bytes;
 548
 549         KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 550                 ccb,
 551                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 552                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 553         ));
 554
 555         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 556         if (ccb->ccb_h.target_lun != 0 ||
 557                 ccb->ccb_h.target_id >= osm_max_targets ||
 558                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 559         {
 560                 ccb->ccb_h.status = CAM_TID_INVALID;
 561                 xpt_done(ccb);
 562                 return;
 563         }
 564
 565         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 566
 567         if (!vd) {
 568                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 569                 xpt_done(ccb);
 570                 return;
 571         }
 572
 573         switch (cdb[0]) {
 574         case TEST_UNIT_READY:
 575         case START_STOP_UNIT:
 576         case SYNCHRONIZE_CACHE:
 577                 ccb->ccb_h.status = CAM_REQ_CMP;
 578                 break;
 579
 580         case INQUIRY:
 581                 {
 582                         PINQUIRYDATA inquiryData;
 583                         memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 584                         inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 585
 586                         inquiryData->AdditionalLength = 31;
 587                         inquiryData->CommandQueue = 1;
 588                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 589                         memcpy(&inquiryData->ProductId, "DISK 0_0        ", 16);
 590
 591                         if (vd->target_id / 10) {
 592                                 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
 593                                 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
 594                         }
 595                         else
 596                                 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
 597
 598                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 599
 600                         ccb->ccb_h.status = CAM_REQ_CMP;
 601                 }
 602                 break;
 603
 604         case READ_CAPACITY:
 605         {
 606                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 607                 HPT_U32 cap;
 608
 609                 if (vd->capacity>0xfffffffful)
 610                         cap = 0xfffffffful;
 611                 else
 612                         cap = vd->capacity - 1;
 613
 614                 rbuf[0] = (HPT_U8)(cap>>24);
 615                 rbuf[1] = (HPT_U8)(cap>>16);
 616                 rbuf[2] = (HPT_U8)(cap>>8);
 617                 rbuf[3] = (HPT_U8)cap;
 618                 rbuf[4] = 0;
 619                 rbuf[5] = 0;
 620                 rbuf[6] = 2;
 621                 rbuf[7] = 0;
 622
 623                 ccb->ccb_h.status = CAM_REQ_CMP;
 624                 break;
 625         }
 626
 627         case SERVICE_ACTION_IN:
 628         {
 629                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 630                 HPT_U64 cap = vd->capacity - 1;
 631
 632                 rbuf[0] = (HPT_U8)(cap>>56);
 633                 rbuf[1] = (HPT_U8)(cap>>48);
 634                 rbuf[2] = (HPT_U8)(cap>>40);
 635                 rbuf[3] = (HPT_U8)(cap>>32);
 636                 rbuf[4] = (HPT_U8)(cap>>24);
 637                 rbuf[5] = (HPT_U8)(cap>>16);
 638                 rbuf[6] = (HPT_U8)(cap>>8);
 639                 rbuf[7] = (HPT_U8)cap;
 640                 rbuf[8] = 0;
 641                 rbuf[9] = 0;
 642                 rbuf[10] = 2;
 643                 rbuf[11] = 0;
 644
 645                 ccb->ccb_h.status = CAM_REQ_CMP;
 646                 break;
 647         }
 648
 649         case READ_6:
 650         case READ_10:
 651         case READ_16:
 652         case WRITE_6:
 653         case WRITE_10:
 654         case WRITE_16:
 655         case 0x13:
 656         case 0x2f:
 657         case 0x8f: /* VERIFY_16 */
 658         {
 659                 int error;
 660                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 661                 if(!pCmd){
 662                         KdPrint(("Failed to allocate command!"));
 663                         ccb->ccb_h.status = CAM_BUSY;
 664                         break;
 665                 }
 666
 667                 switch (cdb[0]) {
 668                 case READ_6:
 669                 case WRITE_6:
 670                 case 0x13:
 671                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
 672                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
 673                         break;
 674                 case READ_16:
 675                 case WRITE_16:
 676                 case 0x8f: /* VERIFY_16 */
 677                 {
 678                         HPT_U64 block =
 679                                 ((HPT_U64)cdb[2]<<56) |
 680                                 ((HPT_U64)cdb[3]<<48) |
 681                                 ((HPT_U64)cdb[4]<<40) |
 682                                 ((HPT_U64)cdb[5]<<32) |
 683                                 ((HPT_U64)cdb[6]<<24) |
 684                                 ((HPT_U64)cdb[7]<<16) |
 685                                 ((HPT_U64)cdb[8]<<8) |
 686                                 ((HPT_U64)cdb[9]);
 687                         pCmd->uCmd.Ide.Lba = block;
 688                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
 689                         break;
 690                 }
 691
 692                 default:
 693                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
 694                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
 695                         break;
 696                 }
 697
 698                 switch (cdb[0]) {
 699                 case READ_6:
 700                 case READ_10:
 701                 case READ_16:
 702                         pCmd->flags.data_in = 1;
 703                         break;
 704                 case WRITE_6:
 705                 case WRITE_10:
 706                 case WRITE_16:
 707                         pCmd->flags.data_out = 1;
 708                         break;
 709                 }
 710                 pCmd->priv = ext = cmdext_get(vbus_ext);
 711                 HPT_ASSERT(ext);
 712                 ext->ccb = ccb;
 713                 pCmd->target = vd;
 714                 pCmd->done = os_cmddone;
 715                 pCmd->buildsgl = os_buildsgl;
 716                 pCmd->psg = ext->psg;
 717                 pCmd->flags.physical_sg = 1;
 718                 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
 719                                         ext->dma_map, ccb,
 720                                         hpt_io_dmamap_callback, pCmd,
 721                                         BUS_DMA_WAITOK
 722                                         );
 723                 KdPrint(("bus_dmamap_load return %d", error));
 724                 if (error && error!=EINPROGRESS) {
 725                         os_printk("bus_dmamap_load error %d", error);
 726                         cmdext_put(ext);
 727                         ldm_free_cmds(pCmd);
 728                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 729                         xpt_done(ccb);
 730                 }
 731                 return;
 732         }
 733
 734         default:
 735                 ccb->ccb_h.status = CAM_REQ_INVALID;
 736                 break;
 737         }
 738
 739         xpt_done(ccb);
 740         return;
 741 }
 742
 743 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
 744 {
 745         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 746
 747         KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
 748
 749         hpt_assert_vbus_locked(vbus_ext);
 750         switch (ccb->ccb_h.func_code) {
 751
 752         case XPT_SCSI_IO:
 753                 hpt_scsi_io(vbus_ext, ccb);
 754                 return;
 755
 756         case XPT_RESET_BUS:
 757                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 758                 break;
 759
 760         case XPT_GET_TRAN_SETTINGS:
 761         case XPT_SET_TRAN_SETTINGS:
 762                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 763                 break;
 764
 765         case XPT_CALC_GEOMETRY:
 766                 ccb->ccg.heads = 255;
 767                 ccb->ccg.secs_per_track = 63;
 768                 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
 769                 ccb->ccb_h.status = CAM_REQ_CMP;
 770                 break;
 771
 772         case XPT_PATH_INQ:
 773         {
 774                 struct ccb_pathinq *cpi = &ccb->cpi;
 775
 776                 cpi->version_num = 1;
 777                 cpi->hba_inquiry = PI_SDTR_ABLE;
 778                 cpi->target_sprt = 0;
 779                 cpi->hba_misc = PIM_NOBUSRESET;
 780                 cpi->hba_eng_cnt = 0;
 781                 cpi->max_target = osm_max_targets;
 782                 cpi->max_lun = 0;
 783                 cpi->unit_number = cam_sim_unit(sim);
 784                 cpi->bus_id = cam_sim_bus(sim);
 785                 cpi->initiator_id = osm_max_targets;
 786                 cpi->base_transfer_speed = 3300;
 787
 788                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 789                 strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
 790                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 791 #if (__FreeBSD_version >= 800000)
 792                 cpi->transport = XPORT_SPI;
 793                 cpi->transport_version = 2;
 794                 cpi->protocol = PROTO_SCSI;
 795                 cpi->protocol_version = SCSI_REV_2;
 796 #endif
 797                 cpi->ccb_h.status = CAM_REQ_CMP;
 798                 break;
 799         }
 800
 801         default:
 802                 ccb->ccb_h.status = CAM_REQ_INVALID;
 803                 break;
 804         }
 805
 806         xpt_done(ccb);
 807         return;
 808 }
 809
 810 static void hpt_pci_intr(void *arg)
 811 {
 812         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
 813         hpt_lock_vbus(vbus_ext);
 814         ldm_intr((PVBUS)vbus_ext->vbus);
 815         hpt_unlock_vbus(vbus_ext);
 816 }
 817
 818 static void hpt_poll(struct cam_sim *sim)
 819 {
 820         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 821
 822         hpt_assert_vbus_locked(vbus_ext);
 823         ldm_intr((PVBUS)vbus_ext->vbus);
 824 }
 825
 826 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
 827 {
 828         KdPrint(("hpt_async"));
 829 }
 830
 831 static int hpt_shutdown(device_t dev)
 832 {
 833         KdPrint(("hpt_shutdown(dev=%p)", dev));
 834         return 0;
 835 }
 836
 837 static int hpt_detach(device_t dev)
 838 {
 839         /* we don't allow the driver to be unloaded. */
 840         return EBUSY;
 841 }
 842
 843 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
 844 {
 845         arg->ioctl_cmnd = 0;
 846         wakeup(arg);
 847 }
 848
 849 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
 850 {
 851         ioctl_args->result = -1;
 852         ioctl_args->done = hpt_ioctl_done;
 853         ioctl_args->ioctl_cmnd = (void *)1;
 854
 855         hpt_lock_vbus(vbus_ext);
 856         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
 857
 858         while (ioctl_args->ioctl_cmnd) {
 859                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
 860                         break;
 861                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 862                 __hpt_do_tasks(vbus_ext);
 863         }
 864
 865         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
 866
 867         hpt_unlock_vbus(vbus_ext);
 868 }
 869
 870 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
 871 {
 872         PVBUS vbus;
 873         PVBUS_EXT vbus_ext;
 874
 875         ldm_for_each_vbus(vbus, vbus_ext) {
 876                 __hpt_do_ioctl(vbus_ext, ioctl_args);
 877                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
 878                         return;
 879         }
 880 }
 881
 882 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
 883         IOCTL_ARG arg;\
 884         arg.dwIoControlCode = code;\
 885         arg.lpInBuffer = inbuf;\
 886         arg.lpOutBuffer = outbuf;\
 887         arg.nInBufferSize = insize;\
 888         arg.nOutBufferSize = outsize;\
 889         arg.lpBytesReturned = 0;\
 890         hpt_do_ioctl(&arg);\
 891         arg.result;\
 892 })
 893
 894 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
 895
 896 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
 897 {
 898         int i;
 899         HPT_U32 count = nMaxCount-1;
 900
 901         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
 902                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
 903                 return -1;
 904
 905         nMaxCount = (int)pIds[0];
 906         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
 907         return nMaxCount;
 908 }
 909
 910 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
 911 {
 912         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
 913                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
 914 }
 915
 916 /* not belong to this file logically, but we want to use ioctl interface */
 917 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
 918 {
 919         LOGICAL_DEVICE_INFO_V3 devinfo;
 920         int i, result;
 921         DEVICEID param[2] = { id, 0 };
 922
 923         if (hpt_get_device_info_v3(id, &devinfo))
 924                 return -1;
 925
 926         if (devinfo.Type!=LDT_ARRAY)
 927                 return -1;
 928
 929         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
 930                 param[1] = AS_REBUILD_ABORT;
 931         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
 932                 param[1] = AS_VERIFY_ABORT;
 933         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
 934                 param[1] = AS_INITIALIZE_ABORT;
 935         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
 936                 param[1] = AS_TRANSFORM_ABORT;
 937         else
 938                 return -1;
 939
 940         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
 941         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
 942                                 param, sizeof(param), 0, 0);
 943
 944         for (i=0; i<devinfo.u.array.nDisk; i++)
 945                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
 946                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
 947
 948         return result;
 949 }
 950
 951 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
 952 {
 953         DEVICEID ids[32];
 954         int i, count;
 955
 956         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
 957
 958         for (i=0; i<count; i++)
 959                 __hpt_stop_tasks(vbus_ext, ids[i]);
 960 }
 961
 962 static  d_open_t        hpt_open;
 963 static  d_close_t       hpt_close;
 964 static  d_ioctl_t       hpt_ioctl;
 965 static  int             hpt_rescan_bus(void);
 966
 967 static struct cdevsw hpt_cdevsw = {
 968         .d_open =       hpt_open,
 969         .d_close =      hpt_close,
 970         .d_ioctl =      hpt_ioctl,
 971         .d_name =       driver_name,
 972 #if __FreeBSD_version>=503000
 973         .d_version =    D_VERSION,
 974 #endif
 975 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034)
 976         .d_flags =      D_NEEDGIANT,
 977 #endif
 978 #if __FreeBSD_version<600034
 979 #if __FreeBSD_version>501000
 980         .d_maj =        MAJOR_AUTO,
 981 #else
 982         .d_maj = HPT_DEV_MAJOR,
 983 #endif
 984 #endif
 985 };
 986
 987 static struct intr_config_hook hpt_ich;
 988
 989 /*
 990  * hpt_final_init will be called after all hpt_attach.
 991  */
 992 static void hpt_final_init(void *dummy)
 993 {
 994         int       i,unit_number=0;
 995         PVBUS_EXT vbus_ext;
 996         PVBUS vbus;
 997         PHBA hba;
 998
 999         /* Clear the config hook */
1000         config_intrhook_disestablish(&hpt_ich);
1001
1002         /* allocate memory */
1003         i = 0;
1004         ldm_for_each_vbus(vbus, vbus_ext) {
1005                 if (hpt_alloc_mem(vbus_ext)) {
1006                         os_printk("out of memory");
1007                         return;
1008                 }
1009                 i++;
1010         }
1011
1012         if (!i) {
1013                 if (bootverbose)
1014                         os_printk("no controller detected.");
1015                 return;
1016         }
1017
1018         /* initializing hardware */
1019         ldm_for_each_vbus(vbus, vbus_ext) {
1020                 /* make timer available here */
1021 #if (__FreeBSD_version >= 500000)
1022                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1023 #endif
1024                 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0);
1025                 if (hpt_init_vbus(vbus_ext)) {
1026                         os_printk("fail to initialize hardware");
1027                         break; /* FIXME */
1028                 }
1029         }
1030
1031         /* register CAM interface */
1032         ldm_for_each_vbus(vbus, vbus_ext) {
1033                 struct cam_devq *devq;
1034                 struct ccb_setasync     ccb;
1035
1036                 if (bus_dma_tag_create(NULL,/* parent */
1037                                 4,      /* alignment */
1038                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1039                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1040                                 BUS_SPACE_MAXADDR,      /* highaddr */
1041                                 NULL, NULL,             /* filter, filterarg */
1042                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1043                                 os_max_sg_descriptors,  /* nsegments */
1044                                 0x10000,        /* maxsegsize */
1045                                 BUS_DMA_WAITOK,         /* flags */
1046 #if __FreeBSD_version>502000
1047                                 busdma_lock_mutex,      /* lockfunc */
1048                                 &vbus_ext->lock,                /* lockfuncarg */
1049 #endif
1050                                 &vbus_ext->io_dmat      /* tag */))
1051                 {
1052                         return ;
1053                 }
1054
1055                 for (i=0; i<os_max_queue_comm; i++) {
1056                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1057                         if (!ext) {
1058                                 os_printk("Can't alloc cmdext(%d)", i);
1059                                 return ;
1060                         }
1061                         ext->vbus_ext = vbus_ext;
1062                         ext->next = vbus_ext->cmdext_list;
1063                         vbus_ext->cmdext_list = ext;
1064
1065                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1066                                 os_printk("Can't create dma map(%d)", i);
1067                                 return ;
1068                         }
1069                         callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0);
1070                 }
1071
1072                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1073                         os_printk("cam_simq_alloc failed");
1074                         return ;
1075                 }
1076
1077 #if __FreeBSD_version > 700025
1078                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1079                                 vbus_ext, unit_number, &vbus_ext->lock, os_max_queue_comm, /*tagged*/8,  devq);
1080 #else
1081                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1082                                 vbus_ext, unit_number, os_max_queue_comm, /*tagged*/8,  devq);
1083 #endif
1084                 unit_number++;
1085                 if (!vbus_ext->sim) {
1086                         os_printk("cam_sim_alloc failed");
1087                         cam_simq_free(devq);
1088                         return ;
1089                 }
1090
1091                 hpt_lock_vbus(vbus_ext);
1092 #if __FreeBSD_version > 700044
1093                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1094 #else
1095                 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1096 #endif
1097                         hpt_unlock_vbus(vbus_ext);
1098                         os_printk("xpt_bus_register failed");
1099                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1100                         vbus_ext->sim = NULL;
1101                         return ;
1102                 }
1103
1104                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1105                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1106                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1107                 {
1108                         hpt_unlock_vbus(vbus_ext);
1109                         os_printk("xpt_create_path failed");
1110                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1111                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1112                         vbus_ext->sim = NULL;
1113                         return ;
1114                 }
1115
1116                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1117                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1118                 ccb.event_enable = AC_LOST_DEVICE;
1119                 ccb.callback = hpt_async;
1120                 ccb.callback_arg = vbus_ext;
1121                 xpt_action((union ccb *)&ccb);
1122                 hpt_unlock_vbus(vbus_ext);
1123
1124                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1125                         int rid = 0;
1126                         if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1127                                 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1128                         {
1129                                 os_printk("can't allocate interrupt");
1130                                 return ;
1131                         }
1132
1133                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE,
1134 #if __FreeBSD_version > 700025
1135                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1136 #else
1137                                 hpt_pci_intr, vbus_ext, &hba->irq_handle))
1138 #endif
1139                         {
1140                                 os_printk("can't set up interrupt");
1141                                 return ;
1142                         }
1143                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1144
1145                 }
1146
1147                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1148                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1149                 if (!vbus_ext->shutdown_eh)
1150                         os_printk("Shutdown event registration failed");
1151         }
1152
1153         ldm_for_each_vbus(vbus, vbus_ext) {
1154                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1155                 if (vbus_ext->tasks)
1156                         TASK_ENQUEUE(&vbus_ext->worker);
1157         }
1158
1159         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1160             S_IRUSR | S_IWUSR, "%s", driver_name);
1161 }
1162
1163 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000)
1164
1165 typedef struct driverlink *driverlink_t;
1166 struct driverlink {
1167         kobj_class_t    driver;
1168         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1169 };
1170
1171 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1172
1173 struct devclass {
1174         TAILQ_ENTRY(devclass) link;
1175         devclass_t      parent;         /* parent in devclass hierarchy */
1176         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1177         char            *name;
1178         device_t        *devices;       /* array of devices indexed by unit */
1179         int             maxunit;        /* size of devices array */
1180 };
1181
1182 static void override_kernel_driver(void)
1183 {
1184         driverlink_t dl, dlfirst;
1185         driver_t *tmpdriver;
1186         devclass_t dc = devclass_find("pci");
1187
1188         if (dc){
1189                 dlfirst = TAILQ_FIRST(&dc->drivers);
1190                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1191                         if(strcmp(dl->driver->name, driver_name) == 0) {
1192                                 tmpdriver=dl->driver;
1193                                 dl->driver=dlfirst->driver;
1194                                 dlfirst->driver=tmpdriver;
1195                                 break;
1196                         }
1197                 }
1198         }
1199 }
1200
1201 #else
1202 #define override_kernel_driver()
1203 #endif
1204
1205 static void hpt_init(void *dummy)
1206 {
1207         if (bootverbose)
1208                 os_printk("%s %s", driver_name_long, driver_ver);
1209
1210         override_kernel_driver();
1211         init_config();
1212
1213         hpt_ich.ich_func = hpt_final_init;
1214         hpt_ich.ich_arg = NULL;
1215         if (config_intrhook_establish(&hpt_ich) != 0) {
1216                 printf("%s: cannot establish configuration hook\n",
1217                     driver_name_long);
1218         }
1219
1220 }
1221 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1222
1223 /*
1224  * CAM driver interface
1225  */
1226 static device_method_t driver_methods[] = {
1227         /* Device interface */
1228         DEVMETHOD(device_probe,         hpt_probe),
1229         DEVMETHOD(device_attach,        hpt_attach),
1230         DEVMETHOD(device_detach,        hpt_detach),
1231         DEVMETHOD(device_shutdown,      hpt_shutdown),
1232         { 0, 0 }
1233 };
1234
1235 static driver_t hpt_pci_driver = {
1236         driver_name,
1237         driver_methods,
1238         sizeof(HBA)
1239 };
1240
1241 static devclass_t       hpt_devclass;
1242
1243 #ifndef TARGETNAME
1244 #error "no TARGETNAME found"
1245 #endif
1246
1247 /* use this to make TARGETNAME be expanded */
1248 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1249 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1250 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1251 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1252 __MODULE_VERSION(TARGETNAME, 1);
1253 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1254
1255 #if __FreeBSD_version>503000
1256 typedef struct cdev * ioctl_dev_t;
1257 #else
1258 typedef dev_t ioctl_dev_t;
1259 #endif
1260
1261 #if __FreeBSD_version >= 500000
1262 typedef struct thread * ioctl_thread_t;
1263 #else
1264 typedef struct proc *   ioctl_thread_t;
1265 #endif
1266
1267 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1268 {
1269         return 0;
1270 }
1271
1272 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1273 {
1274         return 0;
1275 }
1276
1277 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td)
1278 {
1279         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1280         IOCTL_ARG ioctl_args;
1281         HPT_U32 bytesReturned;
1282
1283         switch (cmd){
1284         case HPT_DO_IOCONTROL:
1285         {
1286                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1287                         KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1288                                 piop->dwIoControlCode,
1289                                 piop->lpInBuffer,
1290                                 piop->nInBufferSize,
1291                                 piop->lpOutBuffer,
1292                                 piop->nOutBufferSize));
1293
1294                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1295
1296                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1297                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1298                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1299                 ioctl_args.lpBytesReturned = &bytesReturned;
1300
1301                 if (ioctl_args.nInBufferSize) {
1302                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1303                         if (!ioctl_args.lpInBuffer)
1304                                 goto invalid;
1305                         if (copyin((void*)piop->lpInBuffer,
1306                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1307                                 goto invalid;
1308                 }
1309
1310                 if (ioctl_args.nOutBufferSize) {
1311                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1312                         if (!ioctl_args.lpOutBuffer)
1313                                 goto invalid;
1314                 }
1315
1316                 hpt_do_ioctl(&ioctl_args);
1317
1318                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1319                         if (piop->nOutBufferSize) {
1320                                 if (copyout(ioctl_args.lpOutBuffer,
1321                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1322                                         goto invalid;
1323                         }
1324                         if (piop->lpBytesReturned) {
1325                                 if (copyout(&bytesReturned,
1326                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1327                                         goto invalid;
1328                         }
1329                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1330                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1331                         return 0;
1332                 }
1333 invalid:
1334                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1335                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1336                 return EFAULT;
1337         }
1338         return EFAULT;
1339         }
1340
1341         case HPT_SCAN_BUS:
1342         {
1343                 return hpt_rescan_bus();
1344         }
1345         default:
1346                 KdPrint(("invalid command!"));
1347                 return EFAULT;
1348         }
1349
1350 }
1351
1352 static int      hpt_rescan_bus(void)
1353 {
1354         union ccb                       *ccb;
1355         PVBUS                           vbus;
1356         PVBUS_EXT                       vbus_ext;
1357
1358         ldm_for_each_vbus(vbus, vbus_ext) {
1359                 if ((ccb = xpt_alloc_ccb()) == NULL)
1360                 {
1361                         return(ENOMEM);
1362                 }
1363                 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1364                         CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1365                 {
1366                         xpt_free_ccb(ccb);
1367                         return(EIO);
1368                 }
1369                 xpt_rescan(ccb);
1370         }
1371         return(0);
1372 }
1373