sys/dev/hpt27xx/hpt27xx_osm_bsd.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause
   3  *
   4  * Copyright (c) 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
  31 #include <dev/hpt27xx/hpt27xx_config.h>
  32
  33 #include <dev/hpt27xx/os_bsd.h>
  34 #include <dev/hpt27xx/hptintf.h>
  35
  36 static HIM *hpt_match(device_t dev, int scan)
  37 {
  38         PCI_ID pci_id;
  39         HIM *him;
  40         int i;
  41
  42         for (him = him_list; him; him = him->next) {
  43                 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
  44                         if (scan && him->get_controller_count)
  45                                 him->get_controller_count(&pci_id,0,0);
  46                         if ((pci_get_vendor(dev) == pci_id.vid) &&
  47                                 (pci_get_device(dev) == pci_id.did)){
  48                                 return (him);
  49                         }
  50                 }
  51         }
  52         return (NULL);
  53 }
  54
  55 static int hpt_probe(device_t dev)
  56 {
  57         HIM *him;
  58
  59         him = hpt_match(dev, 0);
  60         if (him != NULL) {
  61                 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
  62                         pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
  63                         ));
  64                 device_set_desc(dev, him->name);
  65                 return (BUS_PROBE_DEFAULT);
  66         }
  67
  68         return (ENXIO);
  69 }
  70
  71 static int hpt_attach(device_t dev)
  72 {
  73         PHBA hba = (PHBA)device_get_softc(dev);
  74         HIM *him;
  75         PCI_ID pci_id;
  76         HPT_UINT size;
  77         PVBUS vbus;
  78         PVBUS_EXT vbus_ext;
  79
  80         KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
  81
  82         him = hpt_match(dev, 1);
  83         hba->ext_type = EXT_TYPE_HBA;
  84         hba->ldm_adapter.him = him;
  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         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         callout_drain(&vbus_ext->timer);
 380         mtx_destroy(&vbus_ext->lock);
 381         free(vbus_ext, M_DEVBUF);
 382         KdPrint(("hpt_shutdown_vbus done"));
 383 }
 384
 385 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
 386 {
 387         OSM_TASK *tasks;
 388
 389         tasks = vbus_ext->tasks;
 390         vbus_ext->tasks = 0;
 391
 392         while (tasks) {
 393                 OSM_TASK *t = tasks;
 394                 tasks = t->next;
 395                 t->next = 0;
 396                 t->func(vbus_ext->vbus, t->data);
 397         }
 398 }
 399
 400 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
 401 {
 402         if(vbus_ext){
 403                 hpt_lock_vbus(vbus_ext);
 404                 __hpt_do_tasks(vbus_ext);
 405                 hpt_unlock_vbus(vbus_ext);
 406         }
 407 }
 408
 409 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
 410 static void hpt_poll(struct cam_sim *sim);
 411 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
 412 static void hpt_pci_intr(void *arg);
 413
 414 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
 415 {
 416         POS_CMDEXT p = vbus_ext->cmdext_list;
 417         if (p)
 418                 vbus_ext->cmdext_list = p->next;
 419         return p;
 420 }
 421
 422 static __inline void cmdext_put(POS_CMDEXT p)
 423 {
 424         p->next = p->vbus_ext->cmdext_list;
 425         p->vbus_ext->cmdext_list = p;
 426 }
 427
 428 static void hpt_timeout(void *arg)
 429 {
 430         PCOMMAND pCmd = (PCOMMAND)arg;
 431         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 432
 433         KdPrint(("pCmd %p timeout", pCmd));
 434
 435         ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
 436 }
 437
 438 static void os_cmddone(PCOMMAND pCmd)
 439 {
 440         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 441         union ccb *ccb = ext->ccb;
 442
 443         KdPrint(("<8>os_cmddone(%p, %d)", pCmd, pCmd->Result));
 444         callout_stop(&ext->timeout);
 445         switch(pCmd->Result) {
 446         case RETURN_SUCCESS:
 447                 ccb->ccb_h.status = CAM_REQ_CMP;
 448                 break;
 449         case RETURN_BAD_DEVICE:
 450                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 451                 break;
 452         case RETURN_DEVICE_BUSY:
 453                 ccb->ccb_h.status = CAM_BUSY;
 454                 break;
 455         case RETURN_INVALID_REQUEST:
 456                 ccb->ccb_h.status = CAM_REQ_INVALID;
 457                 break;
 458         case RETURN_SELECTION_TIMEOUT:
 459                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 460                 break;
 461         case RETURN_RETRY:
 462                 ccb->ccb_h.status = CAM_BUSY;
 463                 break;
 464         default:
 465                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 466                 break;
 467         }
 468
 469         if (pCmd->flags.data_in) {
 470                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
 471         }
 472         else if (pCmd->flags.data_out) {
 473                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
 474         }
 475
 476         bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
 477
 478         cmdext_put(ext);
 479         ldm_free_cmds(pCmd);
 480         xpt_done(ccb);
 481 }
 482
 483 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
 484 {
 485         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 486         union ccb *ccb = ext->ccb;
 487
 488         if(logical)     {
 489                 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
 490                 pSg->size = ccb->csio.dxfer_len;
 491                 pSg->eot = 1;
 492                 return TRUE;
 493         }
 494         /* since we have provided physical sg, nobody will ask us to build physical sg */
 495         HPT_ASSERT(0);
 496         return FALSE;
 497 }
 498
 499 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 500 {
 501         PCOMMAND pCmd = (PCOMMAND)arg;
 502         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 503         PSG psg = pCmd->psg;
 504         int idx;
 505
 506         HPT_ASSERT(pCmd->flags.physical_sg);
 507
 508         if (error)
 509                 panic("busdma error");
 510
 511         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 512
 513         if (nsegs != 0) {
 514                 for (idx = 0; idx < nsegs; idx++, psg++) {
 515                         psg->addr.bus = segs[idx].ds_addr;
 516                         psg->size = segs[idx].ds_len;
 517                         psg->eot = 0;
 518                 }
 519                 psg[-1].eot = 1;
 520
 521                 if (pCmd->flags.data_in) {
 522                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 523                             BUS_DMASYNC_PREREAD);
 524                 }
 525                 else if (pCmd->flags.data_out) {
 526                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 527                             BUS_DMASYNC_PREWRITE);
 528                 }
 529         }
 530         callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
 531         ldm_queue_cmd(pCmd);
 532 }
 533
 534 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 535 {
 536         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 537         PVDEV vd;
 538         PCOMMAND pCmd;
 539         POS_CMDEXT ext;
 540         HPT_U8 *cdb;
 541         int error;
 542
 543         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 544                 cdb = ccb->csio.cdb_io.cdb_ptr;
 545         else
 546                 cdb = ccb->csio.cdb_io.cdb_bytes;
 547
 548         KdPrint(("<8>hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 549                 ccb,
 550                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 551                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 552         ));
 553
 554         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 555         if (ccb->ccb_h.target_lun != 0 ||
 556                 ccb->ccb_h.target_id >= osm_max_targets ||
 557                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 558         {
 559                 ccb->ccb_h.status = CAM_TID_INVALID;
 560                 xpt_done(ccb);
 561                 return;
 562         }
 563
 564         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 565
 566         if (!vd) {
 567                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 568                 xpt_done(ccb);
 569                 return;
 570         }
 571
 572         switch (cdb[0]) {
 573         case TEST_UNIT_READY:
 574         case START_STOP_UNIT:
 575         case SYNCHRONIZE_CACHE:
 576                 ccb->ccb_h.status = CAM_REQ_CMP;
 577                 break;
 578
 579         case INQUIRY:
 580                 {
 581                         PINQUIRYDATA inquiryData;
 582                         memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 583                         inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 584
 585                         inquiryData->AdditionalLength = 31;
 586                         inquiryData->CommandQueue = 1;
 587                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 588                         memcpy(&inquiryData->ProductId, "DISK 0_0        ", 16);
 589
 590                         if (vd->target_id / 10) {
 591                                 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
 592                                 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
 593                         }
 594                         else
 595                                 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
 596
 597                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 598
 599                         ccb->ccb_h.status = CAM_REQ_CMP;
 600                 }
 601                 break;
 602
 603         case READ_CAPACITY:
 604         {
 605                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 606                 HPT_U32 cap;
 607                 HPT_U8 sector_size_shift = 0;
 608                 HPT_U64 new_cap;
 609                 HPT_U32 sector_size = 0;
 610
 611                 if (mIsArray(vd->type))
 612                         sector_size_shift = vd->u.array.sector_size_shift;
 613                 else{
 614                         if(vd->type == VD_RAW){
 615                                 sector_size = vd->u.raw.logical_sector_size;
 616                         }
 617
 618                         switch (sector_size) {
 619                                 case 0x1000:
 620                                         KdPrint(("set 4k setctor size in READ_CAPACITY"));
 621                                         sector_size_shift = 3;
 622                                         break;
 623                                 default:
 624                                         break;
 625                         }
 626                 }
 627                 new_cap = vd->capacity >> sector_size_shift;
 628
 629                 if (new_cap > 0xfffffffful)
 630                         cap = 0xffffffff;
 631                 else
 632                         cap = new_cap - 1;
 633
 634                 rbuf[0] = (HPT_U8)(cap>>24);
 635                 rbuf[1] = (HPT_U8)(cap>>16);
 636                 rbuf[2] = (HPT_U8)(cap>>8);
 637                 rbuf[3] = (HPT_U8)cap;
 638                 rbuf[4] = 0;
 639                 rbuf[5] = 0;
 640                 rbuf[6] = 2 << sector_size_shift;
 641                 rbuf[7] = 0;
 642
 643                 ccb->ccb_h.status = CAM_REQ_CMP;
 644                 break;
 645         }
 646         case REPORT_LUNS:
 647         {
 648                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 649                 memset(rbuf, 0, 16);
 650                 rbuf[3] = 8;
 651                 ccb->ccb_h.status = CAM_REQ_CMP;
 652                 break;
 653         }
 654         case SERVICE_ACTION_IN:
 655         {
 656                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 657                 HPT_U64 cap = 0;
 658                 HPT_U8 sector_size_shift = 0;
 659                 HPT_U32 sector_size = 0;
 660
 661                 if(mIsArray(vd->type))
 662                         sector_size_shift = vd->u.array.sector_size_shift;
 663                 else{
 664                         if(vd->type == VD_RAW){
 665                                 sector_size = vd->u.raw.logical_sector_size;
 666                         }
 667
 668                         switch (sector_size) {
 669                                 case 0x1000:
 670                                         KdPrint(("set 4k setctor size in SERVICE_ACTION_IN"));
 671                                         sector_size_shift = 3;
 672                                         break;
 673                                 default:
 674                                         break;
 675                         }
 676                 }
 677                 cap = (vd->capacity >> sector_size_shift) - 1;
 678
 679                 rbuf[0] = (HPT_U8)(cap>>56);
 680                 rbuf[1] = (HPT_U8)(cap>>48);
 681                 rbuf[2] = (HPT_U8)(cap>>40);
 682                 rbuf[3] = (HPT_U8)(cap>>32);
 683                 rbuf[4] = (HPT_U8)(cap>>24);
 684                 rbuf[5] = (HPT_U8)(cap>>16);
 685                 rbuf[6] = (HPT_U8)(cap>>8);
 686                 rbuf[7] = (HPT_U8)cap;
 687                 rbuf[8] = 0;
 688                 rbuf[9] = 0;
 689                 rbuf[10] = 2 << sector_size_shift;
 690                 rbuf[11] = 0;
 691
 692                 ccb->ccb_h.status = CAM_REQ_CMP;
 693                 break;
 694         }
 695
 696         case READ_6:
 697         case READ_10:
 698         case READ_16:
 699         case WRITE_6:
 700         case WRITE_10:
 701         case WRITE_16:
 702         case 0x13:
 703         case 0x2f:
 704         case 0x8f: /* VERIFY_16 */
 705         {
 706                 HPT_U8 sector_size_shift = 0;
 707                 HPT_U32 sector_size = 0;
 708                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 709                 if(!pCmd){
 710                         KdPrint(("Failed to allocate command!"));
 711                         ccb->ccb_h.status = CAM_BUSY;
 712                         break;
 713                 }
 714
 715                 switch (cdb[0]) {
 716                 case READ_6:
 717                 case WRITE_6:
 718                 case 0x13:
 719                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
 720                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
 721                         break;
 722                 case READ_16:
 723                 case WRITE_16:
 724                 case 0x8f: /* VERIFY_16 */
 725                 {
 726                         HPT_U64 block =
 727                                 ((HPT_U64)cdb[2]<<56) |
 728                                 ((HPT_U64)cdb[3]<<48) |
 729                                 ((HPT_U64)cdb[4]<<40) |
 730                                 ((HPT_U64)cdb[5]<<32) |
 731                                 ((HPT_U64)cdb[6]<<24) |
 732                                 ((HPT_U64)cdb[7]<<16) |
 733                                 ((HPT_U64)cdb[8]<<8) |
 734                                 ((HPT_U64)cdb[9]);
 735                         pCmd->uCmd.Ide.Lba = block;
 736                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
 737                         break;
 738                 }
 739
 740                 default:
 741                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
 742                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
 743                         break;
 744                 }
 745
 746                 if(mIsArray(vd->type)) {
 747                         sector_size_shift = vd->u.array.sector_size_shift;
 748                 }
 749                 else{
 750                         if(vd->type == VD_RAW){
 751                                 sector_size = vd->u.raw.logical_sector_size;
 752                         }
 753
 754                         switch (sector_size) {
 755                                 case 0x1000:
 756                                         KdPrint(("<8>resize sector size from 4k to 512"));
 757                                         sector_size_shift = 3;
 758                                         break;
 759                                 default:
 760                                         break;
 761                         }
 762                 }
 763                 pCmd->uCmd.Ide.Lba <<= sector_size_shift;
 764                 pCmd->uCmd.Ide.nSectors <<= sector_size_shift;
 765
 766
 767                 switch (cdb[0]) {
 768                 case READ_6:
 769                 case READ_10:
 770                 case READ_16:
 771                         pCmd->flags.data_in = 1;
 772                         break;
 773                 case WRITE_6:
 774                 case WRITE_10:
 775                 case WRITE_16:
 776                         pCmd->flags.data_out = 1;
 777                         break;
 778                 }
 779                 pCmd->priv = ext = cmdext_get(vbus_ext);
 780                 HPT_ASSERT(ext);
 781                 ext->ccb = ccb;
 782                 pCmd->target = vd;
 783                 pCmd->done = os_cmddone;
 784                 pCmd->buildsgl = os_buildsgl;
 785
 786                 pCmd->psg = ext->psg;
 787                 pCmd->flags.physical_sg = 1;
 788                 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
 789                                         ext->dma_map, ccb,
 790                                         hpt_io_dmamap_callback, pCmd,
 791                                         BUS_DMA_WAITOK
 792                                 );
 793                 KdPrint(("<8>bus_dmamap_load return %d", error));
 794                 if (error && error!=EINPROGRESS) {
 795                         os_printk("bus_dmamap_load error %d", error);
 796                         cmdext_put(ext);
 797                         ldm_free_cmds(pCmd);
 798                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 799                         xpt_done(ccb);
 800                 }
 801                 return;
 802         }
 803
 804         default:
 805                 ccb->ccb_h.status = CAM_REQ_INVALID;
 806                 break;
 807         }
 808
 809         xpt_done(ccb);
 810         return;
 811 }
 812
 813 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
 814 {
 815         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 816
 817         KdPrint(("<8>hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
 818
 819         hpt_assert_vbus_locked(vbus_ext);
 820         switch (ccb->ccb_h.func_code) {
 821
 822         case XPT_SCSI_IO:
 823                 hpt_scsi_io(vbus_ext, ccb);
 824                 return;
 825
 826         case XPT_RESET_BUS:
 827                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 828                 break;
 829
 830         case XPT_GET_TRAN_SETTINGS:
 831         case XPT_SET_TRAN_SETTINGS:
 832                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 833                 break;
 834
 835         case XPT_CALC_GEOMETRY:
 836                 ccb->ccg.heads = 255;
 837                 ccb->ccg.secs_per_track = 63;
 838                 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
 839                 ccb->ccb_h.status = CAM_REQ_CMP;
 840                 break;
 841
 842         case XPT_PATH_INQ:
 843         {
 844                 struct ccb_pathinq *cpi = &ccb->cpi;
 845
 846                 cpi->version_num = 1;
 847                 cpi->hba_inquiry = PI_SDTR_ABLE;
 848                 cpi->target_sprt = 0;
 849                 cpi->hba_misc = PIM_NOBUSRESET;
 850                 cpi->hba_eng_cnt = 0;
 851                 cpi->max_target = osm_max_targets;
 852                 cpi->max_lun = 0;
 853                 cpi->unit_number = cam_sim_unit(sim);
 854                 cpi->bus_id = cam_sim_bus(sim);
 855                 cpi->initiator_id = osm_max_targets;
 856                 cpi->base_transfer_speed = 3300;
 857
 858                 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 859                 strlcpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
 860                 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 861                 cpi->transport = XPORT_SPI;
 862                 cpi->transport_version = 2;
 863                 cpi->protocol = PROTO_SCSI;
 864                 cpi->protocol_version = SCSI_REV_2;
 865                 cpi->ccb_h.status = CAM_REQ_CMP;
 866                 break;
 867         }
 868
 869         default:
 870                 ccb->ccb_h.status = CAM_REQ_INVALID;
 871                 break;
 872         }
 873
 874         xpt_done(ccb);
 875         return;
 876 }
 877
 878 static void hpt_pci_intr(void *arg)
 879 {
 880         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
 881         hpt_lock_vbus(vbus_ext);
 882         ldm_intr((PVBUS)vbus_ext->vbus);
 883         hpt_unlock_vbus(vbus_ext);
 884 }
 885
 886 static void hpt_poll(struct cam_sim *sim)
 887 {
 888         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 889
 890         hpt_assert_vbus_locked(vbus_ext);
 891         ldm_intr((PVBUS)vbus_ext->vbus);
 892 }
 893
 894 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
 895 {
 896         KdPrint(("<8>hpt_async"));
 897 }
 898
 899 static int hpt_shutdown(device_t dev)
 900 {
 901         KdPrint(("hpt_shutdown(dev=%p)", dev));
 902         return 0;
 903 }
 904
 905 static int hpt_detach(device_t dev)
 906 {
 907         /* we don't allow the driver to be unloaded. */
 908         return EBUSY;
 909 }
 910
 911 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
 912 {
 913         arg->ioctl_cmnd = 0;
 914         wakeup(arg);
 915 }
 916
 917 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
 918 {
 919         ioctl_args->result = -1;
 920         ioctl_args->done = hpt_ioctl_done;
 921         ioctl_args->ioctl_cmnd = (void *)1;
 922
 923         hpt_lock_vbus(vbus_ext);
 924         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
 925
 926         while (ioctl_args->ioctl_cmnd) {
 927                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
 928                         break;
 929                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 930                 __hpt_do_tasks(vbus_ext);
 931         }
 932
 933         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
 934
 935         hpt_unlock_vbus(vbus_ext);
 936 }
 937
 938 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
 939 {
 940         PVBUS vbus;
 941         PVBUS_EXT vbus_ext;
 942
 943         ldm_for_each_vbus(vbus, vbus_ext) {
 944                 __hpt_do_ioctl(vbus_ext, ioctl_args);
 945                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
 946                         return;
 947         }
 948 }
 949
 950 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
 951         IOCTL_ARG arg;\
 952         arg.dwIoControlCode = code;\
 953         arg.lpInBuffer = inbuf;\
 954         arg.lpOutBuffer = outbuf;\
 955         arg.nInBufferSize = insize;\
 956         arg.nOutBufferSize = outsize;\
 957         arg.lpBytesReturned = 0;\
 958         hpt_do_ioctl(&arg);\
 959         arg.result;\
 960 })
 961
 962 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
 963
 964 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
 965 {
 966         int i;
 967         HPT_U32 count = nMaxCount-1;
 968
 969         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
 970                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
 971                 return -1;
 972
 973         nMaxCount = (int)pIds[0];
 974         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
 975         return nMaxCount;
 976 }
 977
 978 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
 979 {
 980         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
 981                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
 982 }
 983
 984 /* not belong to this file logically, but we want to use ioctl interface */
 985 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
 986 {
 987         LOGICAL_DEVICE_INFO_V3 devinfo;
 988         int i, result;
 989         DEVICEID param[2] = { id, 0 };
 990
 991         if (hpt_get_device_info_v3(id, &devinfo))
 992                 return -1;
 993
 994         if (devinfo.Type!=LDT_ARRAY)
 995                 return -1;
 996
 997         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
 998                 param[1] = AS_REBUILD_ABORT;
 999         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
1000                 param[1] = AS_VERIFY_ABORT;
1001         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
1002                 param[1] = AS_INITIALIZE_ABORT;
1003         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
1004                 param[1] = AS_TRANSFORM_ABORT;
1005         else
1006                 return -1;
1007
1008         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
1009         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
1010                                 param, sizeof(param), 0, 0);
1011
1012         for (i=0; i<devinfo.u.array.nDisk; i++)
1013                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
1014                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
1015
1016         return result;
1017 }
1018
1019 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
1020 {
1021         DEVICEID ids[32];
1022         int i, count;
1023
1024         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
1025
1026         for (i=0; i<count; i++)
1027                 __hpt_stop_tasks(vbus_ext, ids[i]);
1028 }
1029
1030 static  d_open_t        hpt_open;
1031 static  d_close_t       hpt_close;
1032 static  d_ioctl_t       hpt_ioctl;
1033 static  int             hpt_rescan_bus(void);
1034
1035 static struct cdevsw hpt_cdevsw = {
1036         .d_open =       hpt_open,
1037         .d_close =      hpt_close,
1038         .d_ioctl =      hpt_ioctl,
1039         .d_name =       driver_name,
1040         .d_version =    D_VERSION,
1041 };
1042
1043 static struct intr_config_hook hpt_ich;
1044
1045 /*
1046  * hpt_final_init will be called after all hpt_attach.
1047  */
1048 static void hpt_final_init(void *dummy)
1049 {
1050         int       i,unit_number=0;
1051         PVBUS_EXT vbus_ext;
1052         PVBUS vbus;
1053         PHBA hba;
1054
1055         /* Clear the config hook */
1056         config_intrhook_disestablish(&hpt_ich);
1057
1058         /* allocate memory */
1059         i = 0;
1060         ldm_for_each_vbus(vbus, vbus_ext) {
1061                 if (hpt_alloc_mem(vbus_ext)) {
1062                         os_printk("out of memory");
1063                         return;
1064                 }
1065                 i++;
1066         }
1067
1068         if (!i) {
1069                 if (bootverbose)
1070                         os_printk("no controller detected.");
1071                 return;
1072         }
1073
1074         /* initializing hardware */
1075         ldm_for_each_vbus(vbus, vbus_ext) {
1076                 /* make timer available here */
1077                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1078                 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0);
1079                 if (hpt_init_vbus(vbus_ext)) {
1080                         os_printk("fail to initialize hardware");
1081                         break; /* FIXME */
1082                 }
1083         }
1084
1085         /* register CAM interface */
1086         ldm_for_each_vbus(vbus, vbus_ext) {
1087                 struct cam_devq *devq;
1088                 struct ccb_setasync     ccb;
1089
1090                 if (bus_dma_tag_create(NULL,/* parent */
1091                                 4,      /* alignment */
1092                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1093                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1094                                 BUS_SPACE_MAXADDR,      /* highaddr */
1095                                 NULL, NULL,             /* filter, filterarg */
1096                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1097                                 os_max_sg_descriptors,  /* nsegments */
1098                                 0x10000,        /* maxsegsize */
1099                                 BUS_DMA_WAITOK,         /* flags */
1100                                 busdma_lock_mutex,      /* lockfunc */
1101                                 &vbus_ext->lock,                /* lockfuncarg */
1102                                 &vbus_ext->io_dmat      /* tag */))
1103                 {
1104                         return ;
1105                 }
1106
1107                 for (i=0; i<os_max_queue_comm; i++) {
1108                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1109                         if (!ext) {
1110                                 os_printk("Can't alloc cmdext(%d)", i);
1111                                 return ;
1112                         }
1113                         ext->vbus_ext = vbus_ext;
1114                         ext->next = vbus_ext->cmdext_list;
1115                         vbus_ext->cmdext_list = ext;
1116
1117                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1118                                 os_printk("Can't create dma map(%d)", i);
1119                                 return ;
1120                         }
1121                         callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0);
1122                 }
1123
1124                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1125                         os_printk("cam_simq_alloc failed");
1126                         return ;
1127                 }
1128                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1129                                 vbus_ext, unit_number, &vbus_ext->lock, os_max_queue_comm, /*tagged*/8,  devq);
1130                 unit_number++;
1131                 if (!vbus_ext->sim) {
1132                         os_printk("cam_sim_alloc failed");
1133                         cam_simq_free(devq);
1134                         return ;
1135                 }
1136
1137                 hpt_lock_vbus(vbus_ext);
1138                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1139                         hpt_unlock_vbus(vbus_ext);
1140                         os_printk("xpt_bus_register failed");
1141                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1142                         vbus_ext->sim = NULL;
1143                         return ;
1144                 }
1145
1146                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1147                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1148                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1149                 {
1150                         hpt_unlock_vbus(vbus_ext);
1151                         os_printk("xpt_create_path failed");
1152                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1153                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1154                         vbus_ext->sim = NULL;
1155                         return ;
1156                 }
1157
1158                 memset(&ccb, 0, sizeof(ccb));
1159                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1160                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1161                 ccb.event_enable = AC_LOST_DEVICE;
1162                 ccb.callback = hpt_async;
1163                 ccb.callback_arg = vbus_ext;
1164                 xpt_action((union ccb *)&ccb);
1165                 hpt_unlock_vbus(vbus_ext);
1166
1167                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1168                         int rid = 0;
1169                         if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev,
1170                                 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1171                         {
1172                                 os_printk("can't allocate interrupt");
1173                                 return ;
1174                         }
1175                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE,
1176                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1177                         {
1178                                 os_printk("can't set up interrupt");
1179                                 return ;
1180                         }
1181                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1182
1183                 }
1184
1185                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1186                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1187                 if (!vbus_ext->shutdown_eh)
1188                         os_printk("Shutdown event registration failed");
1189         }
1190
1191         ldm_for_each_vbus(vbus, vbus_ext) {
1192                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1193                 if (vbus_ext->tasks)
1194                         TASK_ENQUEUE(&vbus_ext->worker);
1195         }
1196
1197         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1198             S_IRUSR | S_IWUSR, "%s", driver_name);
1199 }
1200
1201 #if defined(KLD_MODULE)
1202
1203 typedef struct driverlink *driverlink_t;
1204 struct driverlink {
1205         kobj_class_t    driver;
1206         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1207 };
1208
1209 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1210
1211 struct devclass {
1212         TAILQ_ENTRY(devclass) link;
1213         devclass_t      parent;         /* parent in devclass hierarchy */
1214         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1215         char            *name;
1216         device_t        *devices;       /* array of devices indexed by unit */
1217         int             maxunit;        /* size of devices array */
1218 };
1219
1220 static void override_kernel_driver(void)
1221 {
1222         driverlink_t dl, dlfirst;
1223         driver_t *tmpdriver;
1224         devclass_t dc = devclass_find("pci");
1225
1226         if (dc){
1227                 dlfirst = TAILQ_FIRST(&dc->drivers);
1228                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1229                         if(strcmp(dl->driver->name, driver_name) == 0) {
1230                                 tmpdriver=dl->driver;
1231                                 dl->driver=dlfirst->driver;
1232                                 dlfirst->driver=tmpdriver;
1233                                 break;
1234                         }
1235                 }
1236         }
1237 }
1238
1239 #else
1240 #define override_kernel_driver()
1241 #endif
1242
1243 static void hpt_init(void *dummy)
1244 {
1245         if (bootverbose)
1246                 os_printk("%s %s", driver_name_long, driver_ver);
1247
1248         override_kernel_driver();
1249         init_config();
1250
1251         hpt_ich.ich_func = hpt_final_init;
1252         hpt_ich.ich_arg = NULL;
1253         if (config_intrhook_establish(&hpt_ich) != 0) {
1254                 printf("%s: cannot establish configuration hook\n",
1255                     driver_name_long);
1256         }
1257
1258 }
1259 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1260
1261 /*
1262  * CAM driver interface
1263  */
1264 static device_method_t driver_methods[] = {
1265         /* Device interface */
1266         DEVMETHOD(device_probe,         hpt_probe),
1267         DEVMETHOD(device_attach,        hpt_attach),
1268         DEVMETHOD(device_detach,        hpt_detach),
1269         DEVMETHOD(device_shutdown,      hpt_shutdown),
1270         { 0, 0 }
1271 };
1272
1273 static driver_t hpt_pci_driver = {
1274         driver_name,
1275         driver_methods,
1276         sizeof(HBA)
1277 };
1278
1279 #ifndef TARGETNAME
1280 #error "no TARGETNAME found"
1281 #endif
1282
1283 /* use this to make TARGETNAME be expanded */
1284 #define __DRIVER_MODULE(p1, p2, p3, p4, p5) DRIVER_MODULE(p1, p2, p3, p4, p5)
1285 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1286 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1287 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, 0, 0);
1288 __MODULE_VERSION(TARGETNAME, 1);
1289 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1290
1291 static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td)
1292 {
1293         return 0;
1294 }
1295
1296 static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td)
1297 {
1298         return 0;
1299 }
1300
1301 static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
1302 {
1303         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1304         IOCTL_ARG ioctl_args;
1305         HPT_U32 bytesReturned = 0;
1306
1307         switch (cmd){
1308         case HPT_DO_IOCONTROL:
1309         {
1310                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1311                         KdPrint(("<8>ioctl=%x in=%p len=%d out=%p len=%d\n",
1312                                 piop->dwIoControlCode,
1313                                 piop->lpInBuffer,
1314                                 piop->nInBufferSize,
1315                                 piop->lpOutBuffer,
1316                                 piop->nOutBufferSize));
1317
1318                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1319
1320                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1321                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1322                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1323                 ioctl_args.lpBytesReturned = &bytesReturned;
1324
1325                 if (ioctl_args.nInBufferSize) {
1326                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1327                         if (!ioctl_args.lpInBuffer)
1328                                 goto invalid;
1329                         if (copyin((void*)piop->lpInBuffer,
1330                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1331                                 goto invalid;
1332                 }
1333
1334                 if (ioctl_args.nOutBufferSize) {
1335                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK | M_ZERO);
1336                         if (!ioctl_args.lpOutBuffer)
1337                                 goto invalid;
1338                 }
1339
1340                 hpt_do_ioctl(&ioctl_args);
1341
1342                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1343                         if (piop->nOutBufferSize) {
1344                                 if (copyout(ioctl_args.lpOutBuffer,
1345                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1346                                         goto invalid;
1347                         }
1348                         if (piop->lpBytesReturned) {
1349                                 if (copyout(&bytesReturned,
1350                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1351                                         goto invalid;
1352                         }
1353                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1354                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1355                         return 0;
1356                 }
1357 invalid:
1358                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1359                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1360                 return EFAULT;
1361         }
1362         return EFAULT;
1363         }
1364
1365         case HPT_SCAN_BUS:
1366         {
1367                 return hpt_rescan_bus();
1368         }
1369         default:
1370                 KdPrint(("invalid command!"));
1371                 return EFAULT;
1372         }
1373
1374 }
1375
1376 static int      hpt_rescan_bus(void)
1377 {
1378         union ccb                       *ccb;
1379         PVBUS                           vbus;
1380         PVBUS_EXT                       vbus_ext;
1381
1382         ldm_for_each_vbus(vbus, vbus_ext) {
1383                 if ((ccb = xpt_alloc_ccb()) == NULL)
1384                 {
1385                         return(ENOMEM);
1386                 }
1387                 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1388                         CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1389                 {
1390                         xpt_free_ccb(ccb);
1391                         return(EIO);
1392                 }
1393                 xpt_rescan(ccb);
1394         }
1395         return(0);
1396 }
1397