sys/dev/hptnr/hptnr_osm_bsd.c

   1 /* $Id: osm_bsd.c,v 1.36 2010/05/11 03:12:11 lcn Exp $ */
   2 /*-
   3  * HighPoint RAID Driver for FreeBSD
   4  * Copyright (C) 2005-2011 HighPoint Technologies, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  * $FreeBSD$
  29  */
  30 #include <dev/hptnr/hptnr_config.h>
  31 #include <dev/hptnr/os_bsd.h>
  32 #include <dev/hptnr/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
  51         return (NULL);
  52 }
  53
  54 static int hpt_probe(device_t dev)
  55 {
  56         HIM *him;
  57
  58         him = hpt_match(dev);
  59         if (him != NULL) {
  60                 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
  61                         pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
  62                         ));
  63                 device_set_desc(dev, him->name);
  64                 return (BUS_PROBE_DEFAULT);
  65         }
  66
  67         return (ENXIO);
  68 }
  69
  70 static int hpt_attach(device_t dev)
  71 {
  72         PHBA hba = (PHBA)device_get_softc(dev);
  73         HIM *him;
  74         PCI_ID pci_id;
  75         HPT_UINT size;
  76         PVBUS vbus;
  77         PVBUS_EXT vbus_ext;
  78
  79         KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
  80
  81         him = hpt_match(dev);
  82         hba->ext_type = EXT_TYPE_HBA;
  83         hba->ldm_adapter.him = him;
  84
  85         pci_enable_busmaster(dev);
  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
  95         hba->pcidev = dev;
  96         hba->pciaddr.tree = 0;
  97         hba->pciaddr.bus = pci_get_bus(dev);
  98         hba->pciaddr.device = pci_get_slot(dev);
  99         hba->pciaddr.function = pci_get_function(dev);
 100
 101         if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
 102                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 103                 return ENXIO;
 104         }
 105
 106         os_printk("adapter at PCI %d:%d:%d, IRQ %d",
 107                 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
 108
 109         if (!ldm_register_adapter(&hba->ldm_adapter)) {
 110                 size = ldm_get_vbus_size();
 111                 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK |
 112                         M_ZERO);
 113                 vbus_ext->ext_type = EXT_TYPE_VBUS;
 114                 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
 115                 ldm_register_adapter(&hba->ldm_adapter);
 116         }
 117
 118         ldm_for_each_vbus(vbus, vbus_ext) {
 119                 if (hba->ldm_adapter.vbus==vbus) {
 120                         hba->vbus_ext = vbus_ext;
 121                         hba->next = vbus_ext->hba_list;
 122                         vbus_ext->hba_list = hba;
 123                         break;
 124                 }
 125         }
 126         return 0;
 127 }
 128
 129 /*
 130  * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
 131  * but there are some problems currently (alignment, etc).
 132  */
 133 static __inline void *__get_free_pages(int order)
 134 {
 135         /* don't use low memory - other devices may get starved */
 136         return contigmalloc(PAGE_SIZE<<order,
 137                         M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
 138 }
 139
 140 static __inline void free_pages(void *p, int order)
 141 {
 142         contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
 143 }
 144
 145 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
 146 {
 147         PHBA hba;
 148         struct freelist *f;
 149         HPT_UINT i;
 150         void **p;
 151
 152         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 153                 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
 154
 155         ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
 156
 157         for (f=vbus_ext->freelist_head; f; f=f->next) {
 158                 KdPrint(("%s: %d*%d=%d bytes",
 159                         f->tag, f->count, f->size, f->count*f->size));
 160                 for (i=0; i<f->count; i++) {
 161                         p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
 162                         if (!p) return (ENXIO);
 163                         *p = f->head;
 164                         f->head = p;
 165                 }
 166         }
 167
 168         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 169                 int order, size, j;
 170
 171                 HPT_ASSERT((f->size & (f->alignment-1))==0);
 172
 173                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
 174                         ;
 175
 176                 KdPrint(("%s: %d*%d=%d bytes, order %d",
 177                         f->tag, f->count, f->size, f->count*f->size, order));
 178                 HPT_ASSERT(f->alignment<=PAGE_SIZE);
 179
 180                 for (i=0; i<f->count;) {
 181                         p = (void **)__get_free_pages(order);
 182                         if (!p) return -1;
 183                         for (j = size/f->size; j && i<f->count; i++,j--) {
 184                                 *p = f->head;
 185                                 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
 186                                 f->head = p;
 187                                 p = (void **)((unsigned long)p + f->size);
 188                         }
 189                 }
 190         }
 191
 192         HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
 193
 194         for (i=0; i<os_max_cache_pages; i++) {
 195                 p = (void **)__get_free_pages(0);
 196                 if (!p) return -1;
 197                 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
 198                 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
 199         }
 200
 201         return 0;
 202 }
 203
 204 static void hpt_free_mem(PVBUS_EXT vbus_ext)
 205 {
 206         struct freelist *f;
 207         void *p;
 208         int i;
 209         BUS_ADDRESS bus;
 210
 211         for (f=vbus_ext->freelist_head; f; f=f->next) {
 212 #if DBG
 213                 if (f->count!=f->reserved_count) {
 214                         KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 215                 }
 216 #endif
 217                 while ((p=freelist_get(f)))
 218                         free(p, M_DEVBUF);
 219         }
 220
 221         for (i=0; i<os_max_cache_pages; i++) {
 222                 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
 223                 HPT_ASSERT(p);
 224                 free_pages(p, 0);
 225         }
 226
 227         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 228                 int order, size;
 229 #if DBG
 230                 if (f->count!=f->reserved_count) {
 231                         KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 232                 }
 233 #endif
 234                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 235
 236                 while ((p=freelist_get_dma(f, &bus))) {
 237                         if (order)
 238                                 free_pages(p, order);
 239                         else {
 240                         /* can't free immediately since other blocks in this page may still be in the list */
 241                                 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
 242                                         dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
 243                         }
 244                 }
 245         }
 246
 247         while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
 248                 free_pages(p, 0);
 249 }
 250
 251 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
 252 {
 253         PHBA hba;
 254
 255         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 256                 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
 257                         KdPrint(("fail to initialize %p", hba));
 258                         return -1;
 259                 }
 260
 261         ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
 262         return 0;
 263 }
 264
 265 static void hpt_flush_done(PCOMMAND pCmd)
 266 {
 267         PVDEV vd = pCmd->target;
 268
 269         if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
 270                 vd = vd->u.array.transform->target;
 271                 HPT_ASSERT(vd);
 272                 pCmd->target = vd;
 273                 pCmd->Result = RETURN_PENDING;
 274                 vdev_queue_cmd(pCmd);
 275                 return;
 276         }
 277
 278         *(int *)pCmd->priv = 1;
 279         wakeup(pCmd);
 280 }
 281
 282 /*
 283  * flush a vdev (without retry).
 284  */
 285 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 286 {
 287         PCOMMAND pCmd;
 288         int result = 0, done;
 289         HPT_UINT count;
 290
 291         KdPrint(("flusing dev %p", vd));
 292
 293         hpt_assert_vbus_locked(vbus_ext);
 294
 295         if (mIsArray(vd->type) && vd->u.array.transform)
 296                 count = MAX(vd->u.array.transform->source->cmds_per_request,
 297                                         vd->u.array.transform->target->cmds_per_request);
 298         else
 299                 count = vd->cmds_per_request;
 300
 301         pCmd = ldm_alloc_cmds(vd->vbus, count);
 302
 303         if (!pCmd) {
 304                 return -1;
 305         }
 306
 307         pCmd->type = CMD_TYPE_FLUSH;
 308         pCmd->flags.hard_flush = 1;
 309         pCmd->target = vd;
 310         pCmd->done = hpt_flush_done;
 311         done = 0;
 312         pCmd->priv = &done;
 313
 314         ldm_queue_cmd(pCmd);
 315
 316         if (!done) {
 317                 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
 318                         ldm_reset_vbus(vd->vbus);
 319                 }
 320         }
 321
 322         KdPrint(("flush result %d", pCmd->Result));
 323
 324         if (pCmd->Result!=RETURN_SUCCESS)
 325                 result = -1;
 326
 327         ldm_free_cmds(pCmd);
 328
 329         return result;
 330 }
 331
 332 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
 333 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
 334 {
 335         PVBUS     vbus = (PVBUS)vbus_ext->vbus;
 336         PHBA hba;
 337         int i;
 338
 339         KdPrint(("hpt_shutdown_vbus"));
 340
 341         /* stop all ctl tasks and disable the worker taskqueue */
 342         hpt_stop_tasks(vbus_ext);
 343         hpt_lock_vbus(vbus_ext);
 344         vbus_ext->worker.ta_context = 0;
 345
 346         /* flush devices */
 347         for (i=0; i<osm_max_targets; i++) {
 348                 PVDEV vd = ldm_find_target(vbus, i);
 349                 if (vd) {
 350                         /* retry once */
 351                         if (hpt_flush_vdev(vbus_ext, vd))
 352                                 hpt_flush_vdev(vbus_ext, vd);
 353                 }
 354         }
 355
 356         ldm_shutdown(vbus);
 357         hpt_unlock_vbus(vbus_ext);
 358
 359         ldm_release_vbus(vbus);
 360
 361         for (hba=vbus_ext->hba_list; hba; hba=hba->next)
 362                 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
 363
 364         hpt_free_mem(vbus_ext);
 365
 366         while ((hba=vbus_ext->hba_list)) {
 367                 vbus_ext->hba_list = hba->next;
 368                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 369         }
 370
 371         callout_drain(&vbus_ext->timer);
 372         mtx_destroy(&vbus_ext->lock);
 373         free(vbus_ext, M_DEVBUF);
 374         KdPrint(("hpt_shutdown_vbus done"));
 375 }
 376
 377 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
 378 {
 379         OSM_TASK *tasks;
 380
 381         tasks = vbus_ext->tasks;
 382         vbus_ext->tasks = 0;
 383
 384         while (tasks) {
 385                 OSM_TASK *t = tasks;
 386                 tasks = t->next;
 387                 t->next = 0;
 388                 t->func(vbus_ext->vbus, t->data);
 389         }
 390 }
 391
 392 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
 393 {
 394         if(vbus_ext){
 395                 hpt_lock_vbus(vbus_ext);
 396                 __hpt_do_tasks(vbus_ext);
 397                 hpt_unlock_vbus(vbus_ext);
 398         }
 399 }
 400
 401 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
 402 static void hpt_poll(struct cam_sim *sim);
 403 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
 404 static void hpt_pci_intr(void *arg);
 405
 406 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
 407 {
 408         POS_CMDEXT p = vbus_ext->cmdext_list;
 409         if (p)
 410                 vbus_ext->cmdext_list = p->next;
 411         return p;
 412 }
 413
 414 static __inline void cmdext_put(POS_CMDEXT p)
 415 {
 416         p->next = p->vbus_ext->cmdext_list;
 417         p->vbus_ext->cmdext_list = p;
 418 }
 419
 420 static void hpt_timeout(void *arg)
 421 {
 422         PCOMMAND pCmd = (PCOMMAND)arg;
 423         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 424
 425         KdPrint(("pCmd %p timeout", pCmd));
 426
 427         ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
 428 }
 429
 430 static void os_cmddone(PCOMMAND pCmd)
 431 {
 432         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 433         union ccb *ccb = ext->ccb;
 434
 435         KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
 436
 437         callout_stop(&ext->timeout);
 438
 439         switch(pCmd->Result) {
 440         case RETURN_SUCCESS:
 441                 ccb->ccb_h.status = CAM_REQ_CMP;
 442                 break;
 443         case RETURN_BAD_DEVICE:
 444                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 445                 break;
 446         case RETURN_DEVICE_BUSY:
 447                 ccb->ccb_h.status = CAM_BUSY;
 448                 break;
 449         case RETURN_INVALID_REQUEST:
 450                 ccb->ccb_h.status = CAM_REQ_INVALID;
 451                 break;
 452         case RETURN_SELECTION_TIMEOUT:
 453                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 454                 break;
 455         case RETURN_RETRY:
 456                 ccb->ccb_h.status = CAM_BUSY;
 457                 break;
 458         default:
 459                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 460                 break;
 461         }
 462
 463         if (pCmd->flags.data_in) {
 464                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
 465         }
 466         else if (pCmd->flags.data_out) {
 467                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
 468         }
 469
 470         bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
 471
 472         cmdext_put(ext);
 473         ldm_free_cmds(pCmd);
 474         xpt_done(ccb);
 475 }
 476
 477 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
 478 {
 479         /* since we have provided physical sg, nobody will ask us to build physical sg */
 480         HPT_ASSERT(0);
 481         return FALSE;
 482 }
 483
 484 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 485 {
 486         PCOMMAND pCmd = (PCOMMAND)arg;
 487         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 488         PSG psg = pCmd->psg;
 489         int idx;
 490
 491         HPT_ASSERT(pCmd->flags.physical_sg);
 492
 493         if (error)
 494                 panic("busdma error");
 495
 496         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 497
 498         if (nsegs != 0) {
 499                 for (idx = 0; idx < nsegs; idx++, psg++) {
 500                         psg->addr.bus = segs[idx].ds_addr;
 501                         psg->size = segs[idx].ds_len;
 502                         psg->eot = 0;
 503                 }
 504                 psg[-1].eot = 1;
 505
 506                 if (pCmd->flags.data_in) {
 507                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 508                             BUS_DMASYNC_PREREAD);
 509                 }
 510                 else if (pCmd->flags.data_out) {
 511                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 512                             BUS_DMASYNC_PREWRITE);
 513                 }
 514         }
 515
 516         callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
 517         ldm_queue_cmd(pCmd);
 518 }
 519
 520 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 521 {
 522         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 523         PVDEV vd;
 524         PCOMMAND pCmd;
 525         POS_CMDEXT ext;
 526         HPT_U8 *cdb;
 527
 528         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 529                 cdb = ccb->csio.cdb_io.cdb_ptr;
 530         else
 531                 cdb = ccb->csio.cdb_io.cdb_bytes;
 532
 533         KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 534                 ccb,
 535                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 536                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 537         ));
 538
 539         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 540         if (ccb->ccb_h.target_lun != 0 ||
 541                 ccb->ccb_h.target_id >= osm_max_targets ||
 542                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 543         {
 544                 ccb->ccb_h.status = CAM_TID_INVALID;
 545                 xpt_done(ccb);
 546                 return;
 547         }
 548
 549         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 550
 551         if (!vd) {
 552                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 553                 xpt_done(ccb);
 554                 return;
 555         }
 556
 557         switch (cdb[0]) {
 558         case TEST_UNIT_READY:
 559         case START_STOP_UNIT:
 560         case SYNCHRONIZE_CACHE:
 561                 ccb->ccb_h.status = CAM_REQ_CMP;
 562                 break;
 563
 564         case INQUIRY:
 565                 {
 566                         PINQUIRYDATA inquiryData;
 567                         memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 568                         inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 569
 570                         inquiryData->AdditionalLength = 31;
 571                         inquiryData->CommandQueue = 1;
 572                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 573                         memcpy(&inquiryData->ProductId, "DISK 0_0        ", 16);
 574
 575                         if (vd->target_id / 10) {
 576                                 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
 577                                 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
 578                         }
 579                         else
 580                                 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
 581
 582                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 583
 584                         ccb->ccb_h.status = CAM_REQ_CMP;
 585                 }
 586                 break;
 587
 588         case READ_CAPACITY:
 589         {
 590                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 591                 HPT_U32 cap;
 592
 593                 if (vd->capacity>0xfffffffful)
 594                         cap = 0xfffffffful;
 595                 else
 596                         cap = vd->capacity - 1;
 597
 598                 rbuf[0] = (HPT_U8)(cap>>24);
 599                 rbuf[1] = (HPT_U8)(cap>>16);
 600                 rbuf[2] = (HPT_U8)(cap>>8);
 601                 rbuf[3] = (HPT_U8)cap;
 602                 rbuf[4] = 0;
 603                 rbuf[5] = 0;
 604                 rbuf[6] = 2;
 605                 rbuf[7] = 0;
 606
 607                 ccb->ccb_h.status = CAM_REQ_CMP;
 608                 break;
 609         }
 610
 611         case SERVICE_ACTION_IN:
 612         {
 613                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 614                 HPT_U64 cap = vd->capacity - 1;
 615
 616                 rbuf[0] = (HPT_U8)(cap>>56);
 617                 rbuf[1] = (HPT_U8)(cap>>48);
 618                 rbuf[2] = (HPT_U8)(cap>>40);
 619                 rbuf[3] = (HPT_U8)(cap>>32);
 620                 rbuf[4] = (HPT_U8)(cap>>24);
 621                 rbuf[5] = (HPT_U8)(cap>>16);
 622                 rbuf[6] = (HPT_U8)(cap>>8);
 623                 rbuf[7] = (HPT_U8)cap;
 624                 rbuf[8] = 0;
 625                 rbuf[9] = 0;
 626                 rbuf[10] = 2;
 627                 rbuf[11] = 0;
 628
 629                 ccb->ccb_h.status = CAM_REQ_CMP;
 630                 break;
 631         }
 632
 633         case READ_6:
 634         case READ_10:
 635         case READ_16:
 636         case WRITE_6:
 637         case WRITE_10:
 638         case WRITE_16:
 639         case 0x13:
 640         case 0x2f:
 641         case 0x8f: /* VERIFY_16 */
 642         {
 643                 int error;
 644                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 645                 if(!pCmd){
 646                         KdPrint(("Failed to allocate command!"));
 647                         ccb->ccb_h.status = CAM_BUSY;
 648                         break;
 649                 }
 650
 651                 switch (cdb[0]) {
 652                 case READ_6:
 653                 case WRITE_6:
 654                 case 0x13:
 655                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
 656                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
 657                         break;
 658                 case READ_16:
 659                 case WRITE_16:
 660                 case 0x8f: /* VERIFY_16 */
 661                 {
 662                         HPT_U64 block =
 663                                 ((HPT_U64)cdb[2]<<56) |
 664                                 ((HPT_U64)cdb[3]<<48) |
 665                                 ((HPT_U64)cdb[4]<<40) |
 666                                 ((HPT_U64)cdb[5]<<32) |
 667                                 ((HPT_U64)cdb[6]<<24) |
 668                                 ((HPT_U64)cdb[7]<<16) |
 669                                 ((HPT_U64)cdb[8]<<8) |
 670                                 ((HPT_U64)cdb[9]);
 671                         pCmd->uCmd.Ide.Lba = block;
 672                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
 673                         break;
 674                 }
 675
 676                 default:
 677                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
 678                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
 679                         break;
 680                 }
 681
 682                 switch (cdb[0]) {
 683                 case READ_6:
 684                 case READ_10:
 685                 case READ_16:
 686                         pCmd->flags.data_in = 1;
 687                         break;
 688                 case WRITE_6:
 689                 case WRITE_10:
 690                 case WRITE_16:
 691                         pCmd->flags.data_out = 1;
 692                         break;
 693                 }
 694                 pCmd->priv = ext = cmdext_get(vbus_ext);
 695                 HPT_ASSERT(ext);
 696                 ext->ccb = ccb;
 697                 pCmd->target = vd;
 698                 pCmd->done = os_cmddone;
 699                 pCmd->buildsgl = os_buildsgl;
 700                 pCmd->psg = ext->psg;
 701                 pCmd->flags.physical_sg = 1;
 702                 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
 703                                         ext->dma_map, ccb,
 704                                         hpt_io_dmamap_callback, pCmd,
 705                                         BUS_DMA_WAITOK
 706                                         );
 707                 KdPrint(("bus_dmamap_load return %d", error));
 708                 if (error && error!=EINPROGRESS) {
 709                         os_printk("bus_dmamap_load error %d", error);
 710                         cmdext_put(ext);
 711                         ldm_free_cmds(pCmd);
 712                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 713                         xpt_done(ccb);
 714                 }
 715                 return;
 716         }
 717
 718         default:
 719                 ccb->ccb_h.status = CAM_REQ_INVALID;
 720                 break;
 721         }
 722
 723         xpt_done(ccb);
 724         return;
 725 }
 726
 727 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
 728 {
 729         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 730
 731         KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
 732
 733         hpt_assert_vbus_locked(vbus_ext);
 734         switch (ccb->ccb_h.func_code) {
 735
 736         case XPT_SCSI_IO:
 737                 hpt_scsi_io(vbus_ext, ccb);
 738                 return;
 739
 740         case XPT_RESET_BUS:
 741                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 742                 break;
 743
 744         case XPT_GET_TRAN_SETTINGS:
 745         case XPT_SET_TRAN_SETTINGS:
 746                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 747                 break;
 748
 749         case XPT_CALC_GEOMETRY:
 750                 ccb->ccg.heads = 255;
 751                 ccb->ccg.secs_per_track = 63;
 752                 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
 753                 ccb->ccb_h.status = CAM_REQ_CMP;
 754                 break;
 755
 756         case XPT_PATH_INQ:
 757         {
 758                 struct ccb_pathinq *cpi = &ccb->cpi;
 759
 760                 cpi->version_num = 1;
 761                 cpi->hba_inquiry = PI_SDTR_ABLE;
 762                 cpi->target_sprt = 0;
 763                 cpi->hba_misc = PIM_NOBUSRESET;
 764                 cpi->hba_eng_cnt = 0;
 765                 cpi->max_target = osm_max_targets;
 766                 cpi->max_lun = 0;
 767                 cpi->unit_number = cam_sim_unit(sim);
 768                 cpi->bus_id = cam_sim_bus(sim);
 769                 cpi->initiator_id = osm_max_targets;
 770                 cpi->base_transfer_speed = 3300;
 771
 772                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 773                 strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
 774                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 775                 cpi->transport = XPORT_SPI;
 776                 cpi->transport_version = 2;
 777                 cpi->protocol = PROTO_SCSI;
 778                 cpi->protocol_version = SCSI_REV_2;
 779                 cpi->ccb_h.status = CAM_REQ_CMP;
 780                 break;
 781         }
 782
 783         default:
 784                 ccb->ccb_h.status = CAM_REQ_INVALID;
 785                 break;
 786         }
 787
 788         xpt_done(ccb);
 789         return;
 790 }
 791
 792 static void hpt_pci_intr(void *arg)
 793 {
 794         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
 795         hpt_lock_vbus(vbus_ext);
 796         ldm_intr((PVBUS)vbus_ext->vbus);
 797         hpt_unlock_vbus(vbus_ext);
 798 }
 799
 800 static void hpt_poll(struct cam_sim *sim)
 801 {
 802         PVBUS_EXT vbus_ext = cam_sim_softc(sim);
 803         hpt_assert_vbus_locked(vbus_ext);
 804         ldm_intr((PVBUS)vbus_ext->vbus);
 805 }
 806
 807 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
 808 {
 809         KdPrint(("hpt_async"));
 810 }
 811
 812 static int hpt_shutdown(device_t dev)
 813 {
 814         KdPrint(("hpt_shutdown(dev=%p)", dev));
 815         return 0;
 816 }
 817
 818 static int hpt_detach(device_t dev)
 819 {
 820         /* we don't allow the driver to be unloaded. */
 821         return EBUSY;
 822 }
 823
 824 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
 825 {
 826         arg->ioctl_cmnd = 0;
 827         wakeup(arg);
 828 }
 829
 830 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
 831 {
 832         ioctl_args->result = -1;
 833         ioctl_args->done = hpt_ioctl_done;
 834         ioctl_args->ioctl_cmnd = (void *)1;
 835
 836         hpt_lock_vbus(vbus_ext);
 837         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
 838
 839         while (ioctl_args->ioctl_cmnd) {
 840                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
 841                         break;
 842                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 843                 __hpt_do_tasks(vbus_ext);
 844         }
 845
 846         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
 847
 848         hpt_unlock_vbus(vbus_ext);
 849 }
 850
 851 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
 852 {
 853         PVBUS vbus;
 854         PVBUS_EXT vbus_ext;
 855
 856         ldm_for_each_vbus(vbus, vbus_ext) {
 857                 __hpt_do_ioctl(vbus_ext, ioctl_args);
 858                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
 859                         return;
 860         }
 861 }
 862
 863 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
 864         IOCTL_ARG arg;\
 865         arg.dwIoControlCode = code;\
 866         arg.lpInBuffer = inbuf;\
 867         arg.lpOutBuffer = outbuf;\
 868         arg.nInBufferSize = insize;\
 869         arg.nOutBufferSize = outsize;\
 870         arg.lpBytesReturned = 0;\
 871         hpt_do_ioctl(&arg);\
 872         arg.result;\
 873 })
 874
 875 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
 876
 877 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
 878 {
 879         int i;
 880         HPT_U32 count = nMaxCount-1;
 881
 882         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
 883                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
 884                 return -1;
 885
 886         nMaxCount = (int)pIds[0];
 887         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
 888         return nMaxCount;
 889 }
 890
 891 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
 892 {
 893         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
 894                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
 895 }
 896
 897 /* not belong to this file logically, but we want to use ioctl interface */
 898 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
 899 {
 900         LOGICAL_DEVICE_INFO_V3 devinfo;
 901         int i, result;
 902         DEVICEID param[2] = { id, 0 };
 903
 904         if (hpt_get_device_info_v3(id, &devinfo))
 905                 return -1;
 906
 907         if (devinfo.Type!=LDT_ARRAY)
 908                 return -1;
 909
 910         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
 911                 param[1] = AS_REBUILD_ABORT;
 912         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
 913                 param[1] = AS_VERIFY_ABORT;
 914         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
 915                 param[1] = AS_INITIALIZE_ABORT;
 916         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
 917                 param[1] = AS_TRANSFORM_ABORT;
 918         else
 919                 return -1;
 920
 921         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
 922         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
 923                                 param, sizeof(param), 0, 0);
 924
 925         for (i=0; i<devinfo.u.array.nDisk; i++)
 926                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
 927                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
 928
 929         return result;
 930 }
 931
 932 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
 933 {
 934         DEVICEID ids[32];
 935         int i, count;
 936
 937         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
 938
 939         for (i=0; i<count; i++)
 940                 __hpt_stop_tasks(vbus_ext, ids[i]);
 941 }
 942
 943 static  d_open_t        hpt_open;
 944 static  d_close_t       hpt_close;
 945 static  d_ioctl_t       hpt_ioctl;
 946 static  int             hpt_rescan_bus(void);
 947
 948 static struct cdevsw hpt_cdevsw = {
 949         .d_open =       hpt_open,
 950         .d_close =      hpt_close,
 951         .d_ioctl =      hpt_ioctl,
 952         .d_name =       driver_name,
 953         .d_version =    D_VERSION,
 954 };
 955
 956 static struct intr_config_hook hpt_ich;
 957
 958 /*
 959  * hpt_final_init will be called after all hpt_attach.
 960  */
 961 static void hpt_final_init(void *dummy)
 962 {
 963         int       i,unit_number=0;
 964         PVBUS_EXT vbus_ext;
 965         PVBUS vbus;
 966         PHBA hba;
 967
 968         /* Clear the config hook */
 969         config_intrhook_disestablish(&hpt_ich);
 970
 971         /* allocate memory */
 972         i = 0;
 973         ldm_for_each_vbus(vbus, vbus_ext) {
 974                 if (hpt_alloc_mem(vbus_ext)) {
 975                         os_printk("out of memory");
 976                         return;
 977                 }
 978                 i++;
 979         }
 980
 981         if (!i) {
 982                 if (bootverbose)
 983                         os_printk("no controller detected.");
 984                 return;
 985         }
 986
 987         /* initializing hardware */
 988         ldm_for_each_vbus(vbus, vbus_ext) {
 989                 /* make timer available here */
 990                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
 991                 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0);
 992                 if (hpt_init_vbus(vbus_ext)) {
 993                         os_printk("fail to initialize hardware");
 994                         break; /* FIXME */
 995                 }
 996         }
 997
 998         /* register CAM interface */
 999         ldm_for_each_vbus(vbus, vbus_ext) {
1000                 struct cam_devq *devq;
1001                 struct ccb_setasync     ccb;
1002
1003                 if (bus_dma_tag_create(NULL,/* parent */
1004                                 4,      /* alignment */
1005                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1006                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1007                                 BUS_SPACE_MAXADDR,      /* highaddr */
1008                                 NULL, NULL,             /* filter, filterarg */
1009                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1010                                 os_max_sg_descriptors,  /* nsegments */
1011                                 0x10000,        /* maxsegsize */
1012                                 BUS_DMA_WAITOK,         /* flags */
1013                                 busdma_lock_mutex,      /* lockfunc */
1014                                 &vbus_ext->lock,                /* lockfuncarg */
1015                                 &vbus_ext->io_dmat      /* tag */))
1016                 {
1017                         return ;
1018                 }
1019
1020                 for (i=0; i<os_max_queue_comm; i++) {
1021                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1022                         if (!ext) {
1023                                 os_printk("Can't alloc cmdext(%d)", i);
1024                                 return ;
1025                         }
1026                         ext->vbus_ext = vbus_ext;
1027                         ext->next = vbus_ext->cmdext_list;
1028                         vbus_ext->cmdext_list = ext;
1029
1030                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1031                                 os_printk("Can't create dma map(%d)", i);
1032                                 return ;
1033                         }
1034                         callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0);
1035                 }
1036
1037                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1038                         os_printk("cam_simq_alloc failed");
1039                         return ;
1040                 }
1041
1042                 hpt_lock_vbus(vbus_ext);
1043                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1044                                 vbus_ext, unit_number, &vbus_ext->lock,
1045                                 os_max_queue_comm, /*tagged*/8,  devq);
1046                 unit_number++;
1047                 if (!vbus_ext->sim) {
1048                         os_printk("cam_sim_alloc failed");
1049                         cam_simq_free(devq);
1050                         hpt_unlock_vbus(vbus_ext);
1051                         return ;
1052                 }
1053
1054                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1055                         os_printk("xpt_bus_register failed");
1056                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1057                         vbus_ext->sim = NULL;
1058                         return ;
1059                 }
1060
1061                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1062                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1063                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1064                 {
1065                         os_printk("xpt_create_path failed");
1066                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1067                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1068                         hpt_unlock_vbus(vbus_ext);
1069                         vbus_ext->sim = NULL;
1070                         return ;
1071                 }
1072                 hpt_unlock_vbus(vbus_ext);
1073
1074                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1075                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1076                 ccb.event_enable = AC_LOST_DEVICE;
1077                 ccb.callback = hpt_async;
1078                 ccb.callback_arg = vbus_ext;
1079                 xpt_action((union ccb *)&ccb);
1080
1081                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1082                         int rid = 0;
1083                         if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1084                                 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1085                         {
1086                                 os_printk("can't allocate interrupt");
1087                                 return ;
1088                         }
1089
1090                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE,
1091                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1092                         {
1093                                 os_printk("can't set up interrupt");
1094                                 return ;
1095                         }
1096                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1097
1098                 }
1099
1100                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1101                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1102                 if (!vbus_ext->shutdown_eh)
1103                         os_printk("Shutdown event registration failed");
1104         }
1105
1106         ldm_for_each_vbus(vbus, vbus_ext) {
1107                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1108                 if (vbus_ext->tasks)
1109                         TASK_ENQUEUE(&vbus_ext->worker);
1110         }
1111
1112         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1113             S_IRUSR | S_IWUSR, "%s", driver_name);
1114 }
1115
1116 #if defined(KLD_MODULE)
1117
1118 typedef struct driverlink *driverlink_t;
1119 struct driverlink {
1120         kobj_class_t    driver;
1121         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1122 };
1123
1124 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1125
1126 struct devclass {
1127         TAILQ_ENTRY(devclass) link;
1128         devclass_t      parent;         /* parent in devclass hierarchy */
1129         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1130         char            *name;
1131         device_t        *devices;       /* array of devices indexed by unit */
1132         int             maxunit;        /* size of devices array */
1133 };
1134
1135 static void override_kernel_driver(void)
1136 {
1137         driverlink_t dl, dlfirst;
1138         driver_t *tmpdriver;
1139         devclass_t dc = devclass_find("pci");
1140
1141         if (dc){
1142                 dlfirst = TAILQ_FIRST(&dc->drivers);
1143                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1144                         if(strcmp(dl->driver->name, driver_name) == 0) {
1145                                 tmpdriver=dl->driver;
1146                                 dl->driver=dlfirst->driver;
1147                                 dlfirst->driver=tmpdriver;
1148                                 break;
1149                         }
1150                 }
1151         }
1152 }
1153
1154 #else
1155 #define override_kernel_driver()
1156 #endif
1157
1158 static void hpt_init(void *dummy)
1159 {
1160         if (bootverbose)
1161                 os_printk("%s %s", driver_name_long, driver_ver);
1162
1163         override_kernel_driver();
1164         init_config();
1165
1166         hpt_ich.ich_func = hpt_final_init;
1167         hpt_ich.ich_arg = NULL;
1168         if (config_intrhook_establish(&hpt_ich) != 0) {
1169                 printf("%s: cannot establish configuration hook\n",
1170                     driver_name_long);
1171         }
1172
1173 }
1174 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1175
1176 /*
1177  * CAM driver interface
1178  */
1179 static device_method_t driver_methods[] = {
1180         /* Device interface */
1181         DEVMETHOD(device_probe,         hpt_probe),
1182         DEVMETHOD(device_attach,        hpt_attach),
1183         DEVMETHOD(device_detach,        hpt_detach),
1184         DEVMETHOD(device_shutdown,      hpt_shutdown),
1185         { 0, 0 }
1186 };
1187
1188 static driver_t hpt_pci_driver = {
1189         driver_name,
1190         driver_methods,
1191         sizeof(HBA)
1192 };
1193
1194 static devclass_t       hpt_devclass;
1195
1196 #ifndef TARGETNAME
1197 #error "no TARGETNAME found"
1198 #endif
1199
1200 /* use this to make TARGETNAME be expanded */
1201 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1202 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1203 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1204 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1205 __MODULE_VERSION(TARGETNAME, 1);
1206 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1207
1208 static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td)
1209 {
1210         return 0;
1211 }
1212
1213 static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td)
1214 {
1215         return 0;
1216 }
1217
1218 static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
1219 {
1220         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1221         IOCTL_ARG ioctl_args;
1222         HPT_U32 bytesReturned;
1223
1224         switch (cmd){
1225         case HPT_DO_IOCONTROL:
1226         {
1227                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1228                         KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1229                                 piop->dwIoControlCode,
1230                                 piop->lpInBuffer,
1231                                 piop->nInBufferSize,
1232                                 piop->lpOutBuffer,
1233                                 piop->nOutBufferSize));
1234
1235                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1236
1237                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1238                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1239                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1240                 ioctl_args.lpBytesReturned = &bytesReturned;
1241
1242                 if (ioctl_args.nInBufferSize) {
1243                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1244                         if (!ioctl_args.lpInBuffer)
1245                                 goto invalid;
1246                         if (copyin((void*)piop->lpInBuffer,
1247                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1248                                 goto invalid;
1249                 }
1250
1251                 if (ioctl_args.nOutBufferSize) {
1252                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1253                         if (!ioctl_args.lpOutBuffer)
1254                                 goto invalid;
1255                 }
1256
1257                 hpt_do_ioctl(&ioctl_args);
1258
1259                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1260                         if (piop->nOutBufferSize) {
1261                                 if (copyout(ioctl_args.lpOutBuffer,
1262                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1263                                         goto invalid;
1264                         }
1265                         if (piop->lpBytesReturned) {
1266                                 if (copyout(&bytesReturned,
1267                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1268                                         goto invalid;
1269                         }
1270                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1271                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1272                         return 0;
1273                 }
1274 invalid:
1275                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1276                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1277                 return EFAULT;
1278         }
1279         return EFAULT;
1280         }
1281
1282         case HPT_SCAN_BUS:
1283         {
1284                 return hpt_rescan_bus();
1285         }
1286         default:
1287                 KdPrint(("invalid command!"));
1288                 return EFAULT;
1289         }
1290
1291 }
1292
1293 static int      hpt_rescan_bus(void)
1294 {
1295         union ccb                       *ccb;
1296         PVBUS                           vbus;
1297         PVBUS_EXT                       vbus_ext;
1298
1299         ldm_for_each_vbus(vbus, vbus_ext) {
1300                 if ((ccb = xpt_alloc_ccb()) == NULL)
1301                 {
1302                         return(ENOMEM);
1303                 }
1304                 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1305                         CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1306                 {
1307                         xpt_free_ccb(ccb);
1308                         return(EIO);
1309                 }
1310                 xpt_rescan(ccb);
1311         }
1312         return(0);
1313 }