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
  29 #include <dev/hpt27xx/hpt27xx_config.h>
  30
  31 #include <dev/hpt27xx/os_bsd.h>
  32 #include <dev/hpt27xx/hptintf.h>
  33
  34 static HIM *hpt_match(device_t dev, int scan)
  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 (scan && him->get_controller_count)
  43                                 him->get_controller_count(&pci_id,0,0);
  44                         if ((pci_get_vendor(dev) == pci_id.vid) &&
  45                                 (pci_get_device(dev) == pci_id.did)){
  46                                 return (him);
  47                         }
  48                 }
  49         }
  50         return (NULL);
  51 }
  52
  53 static int hpt_probe(device_t dev)
  54 {
  55         HIM *him;
  56
  57         him = hpt_match(dev, 0);
  58         if (him != NULL) {
  59                 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
  60                         pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
  61                         ));
  62                 device_set_desc(dev, him->name);
  63                 return (BUS_PROBE_DEFAULT);
  64         }
  65
  66         return (ENXIO);
  67 }
  68
  69 static int hpt_attach(device_t dev)
  70 {
  71         PHBA hba = (PHBA)device_get_softc(dev);
  72         HIM *him;
  73         PCI_ID pci_id;
  74         HPT_UINT size;
  75         PVBUS vbus;
  76         PVBUS_EXT vbus_ext;
  77
  78         if (pci_get_domain(dev) != 0) {
  79                 device_printf(dev, "does not support PCI domains\n");
  80                 return (ENXIO);
  81         }
  82
  83         KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
  84
  85         him = hpt_match(dev, 1);
  86         hba->ext_type = EXT_TYPE_HBA;
  87         hba->ldm_adapter.him = him;
  88         pci_enable_busmaster(dev);
  89
  90         pci_id.vid = pci_get_vendor(dev);
  91         pci_id.did = pci_get_device(dev);
  92         pci_id.rev = pci_get_revid(dev);
  93         pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev);
  94
  95         size = him->get_adapter_size(&pci_id);
  96         hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
  97         if (!hba->ldm_adapter.him_handle)
  98                 return ENXIO;
  99
 100         hba->pcidev = dev;
 101         hba->pciaddr.tree = 0;
 102         hba->pciaddr.bus = pci_get_bus(dev);
 103         hba->pciaddr.device = pci_get_slot(dev);
 104         hba->pciaddr.function = pci_get_function(dev);
 105
 106         if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
 107                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 108                 return ENXIO;
 109         }
 110
 111         os_printk("adapter at PCI %d:%d:%d, IRQ %d",
 112                 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
 113
 114         if (!ldm_register_adapter(&hba->ldm_adapter)) {
 115                 size = ldm_get_vbus_size();
 116                 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
 117                 if (!vbus_ext) {
 118                         free(hba->ldm_adapter.him_handle, M_DEVBUF);
 119                         return ENXIO;
 120                 }
 121                 memset(vbus_ext, 0, sizeof(VBUS_EXT));
 122                 vbus_ext->ext_type = EXT_TYPE_VBUS;
 123                 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
 124                 ldm_register_adapter(&hba->ldm_adapter);
 125         }
 126
 127         ldm_for_each_vbus(vbus, vbus_ext) {
 128                 if (hba->ldm_adapter.vbus==vbus) {
 129                         hba->vbus_ext = vbus_ext;
 130                         hba->next = vbus_ext->hba_list;
 131                         vbus_ext->hba_list = hba;
 132                         break;
 133                 }
 134         }
 135         return 0;
 136 }
 137
 138 /*
 139  * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
 140  * but there are some problems currently (alignment, etc).
 141  */
 142 static __inline void *__get_free_pages(int order)
 143 {
 144         /* don't use low memory - other devices may get starved */
 145         return contigmalloc(PAGE_SIZE<<order,
 146                         M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
 147 }
 148
 149 static __inline void free_pages(void *p, int order)
 150 {
 151         contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
 152 }
 153
 154 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
 155 {
 156         PHBA hba;
 157         struct freelist *f;
 158         HPT_UINT i;
 159         void **p;
 160
 161         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 162                 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
 163
 164         ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
 165
 166         for (f=vbus_ext->freelist_head; f; f=f->next) {
 167                 KdPrint(("%s: %d*%d=%d bytes",
 168                         f->tag, f->count, f->size, f->count*f->size));
 169                 for (i=0; i<f->count; i++) {
 170                         p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
 171                         if (!p) return (ENXIO);
 172                         *p = f->head;
 173                         f->head = p;
 174                 }
 175         }
 176
 177         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 178                 int order, size, j;
 179
 180                 HPT_ASSERT((f->size & (f->alignment-1))==0);
 181
 182                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
 183                         ;
 184
 185                 KdPrint(("%s: %d*%d=%d bytes, order %d",
 186                         f->tag, f->count, f->size, f->count*f->size, order));
 187                 HPT_ASSERT(f->alignment<=PAGE_SIZE);
 188
 189                 for (i=0; i<f->count;) {
 190                         p = (void **)__get_free_pages(order);
 191                         if (!p) return -1;
 192                         for (j = size/f->size; j && i<f->count; i++,j--) {
 193                                 *p = f->head;
 194                                 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
 195                                 f->head = p;
 196                                 p = (void **)((unsigned long)p + f->size);
 197                         }
 198                 }
 199         }
 200
 201         HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
 202
 203         for (i=0; i<os_max_cache_pages; i++) {
 204                 p = (void **)__get_free_pages(0);
 205                 if (!p) return -1;
 206                 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
 207                 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
 208         }
 209
 210         return 0;
 211 }
 212
 213 static void hpt_free_mem(PVBUS_EXT vbus_ext)
 214 {
 215         struct freelist *f;
 216         void *p;
 217         int i;
 218         BUS_ADDRESS bus;
 219
 220         for (f=vbus_ext->freelist_head; f; f=f->next) {
 221 #if DBG
 222                 if (f->count!=f->reserved_count) {
 223                         KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 224                 }
 225 #endif
 226                 while ((p=freelist_get(f)))
 227                         free(p, M_DEVBUF);
 228         }
 229
 230         for (i=0; i<os_max_cache_pages; i++) {
 231                 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
 232                 HPT_ASSERT(p);
 233                 free_pages(p, 0);
 234         }
 235
 236         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 237                 int order, size;
 238 #if DBG
 239                 if (f->count!=f->reserved_count) {
 240                         KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 241                 }
 242 #endif
 243                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 244
 245                 while ((p=freelist_get_dma(f, &bus))) {
 246                         if (order)
 247                                 free_pages(p, order);
 248                         else {
 249                         /* can't free immediately since other blocks in this page may still be in the list */
 250                                 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
 251                                         dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
 252                         }
 253                 }
 254         }
 255
 256         while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
 257                 free_pages(p, 0);
 258 }
 259
 260 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
 261 {
 262         PHBA hba;
 263
 264         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 265                 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
 266                         KdPrint(("fail to initialize %p", hba));
 267                         return -1;
 268                 }
 269
 270         ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
 271         return 0;
 272 }
 273
 274 static void hpt_flush_done(PCOMMAND pCmd)
 275 {
 276         PVDEV vd = pCmd->target;
 277
 278         if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
 279                 vd = vd->u.array.transform->target;
 280                 HPT_ASSERT(vd);
 281                 pCmd->target = vd;
 282                 pCmd->Result = RETURN_PENDING;
 283                 vdev_queue_cmd(pCmd);
 284                 return;
 285         }
 286
 287         *(int *)pCmd->priv = 1;
 288         wakeup(pCmd);
 289 }
 290
 291 /*
 292  * flush a vdev (without retry).
 293  */
 294 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 295 {
 296         PCOMMAND pCmd;
 297         int result = 0, done;
 298         HPT_UINT count;
 299
 300         KdPrint(("flusing dev %p", vd));
 301
 302         hpt_lock_vbus(vbus_ext);
 303
 304         if (mIsArray(vd->type) && vd->u.array.transform)
 305                 count = max(vd->u.array.transform->source->cmds_per_request,
 306                                         vd->u.array.transform->target->cmds_per_request);
 307         else
 308                 count = vd->cmds_per_request;
 309
 310         pCmd = ldm_alloc_cmds(vd->vbus, count);
 311
 312         if (!pCmd) {
 313                 hpt_unlock_vbus(vbus_ext);
 314                 return -1;
 315         }
 316
 317         pCmd->type = CMD_TYPE_FLUSH;
 318         pCmd->flags.hard_flush = 1;
 319         pCmd->target = vd;
 320         pCmd->done = hpt_flush_done;
 321         done = 0;
 322         pCmd->priv = &done;
 323
 324         ldm_queue_cmd(pCmd);
 325
 326         if (!done) {
 327                 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
 328                         ldm_reset_vbus(vd->vbus);
 329                 }
 330         }
 331
 332         KdPrint(("flush result %d", pCmd->Result));
 333
 334         if (pCmd->Result!=RETURN_SUCCESS)
 335                 result = -1;
 336
 337         ldm_free_cmds(pCmd);
 338
 339         hpt_unlock_vbus(vbus_ext);
 340
 341         return result;
 342 }
 343
 344 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
 345 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
 346 {
 347         PVBUS     vbus = (PVBUS)vbus_ext->vbus;
 348         PHBA hba;
 349         int i;
 350
 351         KdPrint(("hpt_shutdown_vbus"));
 352
 353         /* stop all ctl tasks and disable the worker taskqueue */
 354         hpt_stop_tasks(vbus_ext);
 355         vbus_ext->worker.ta_context = 0;
 356
 357         /* flush devices */
 358         for (i=0; i<osm_max_targets; i++) {
 359                 PVDEV vd = ldm_find_target(vbus, i);
 360                 if (vd) {
 361                         /* retry once */
 362                         if (hpt_flush_vdev(vbus_ext, vd))
 363                                 hpt_flush_vdev(vbus_ext, vd);
 364                 }
 365         }
 366
 367         hpt_lock_vbus(vbus_ext);
 368         ldm_shutdown(vbus);
 369         hpt_unlock_vbus(vbus_ext);
 370
 371         ldm_release_vbus(vbus);
 372
 373         for (hba=vbus_ext->hba_list; hba; hba=hba->next)
 374                 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
 375
 376         hpt_free_mem(vbus_ext);
 377
 378         while ((hba=vbus_ext->hba_list)) {
 379                 vbus_ext->hba_list = hba->next;
 380                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 381         }
 382         callout_drain(&vbus_ext->timer);
 383         mtx_destroy(&vbus_ext->lock);
 384         free(vbus_ext, M_DEVBUF);
 385         KdPrint(("hpt_shutdown_vbus done"));
 386 }
 387
 388 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
 389 {
 390         OSM_TASK *tasks;
 391
 392         tasks = vbus_ext->tasks;
 393         vbus_ext->tasks = 0;
 394
 395         while (tasks) {
 396                 OSM_TASK *t = tasks;
 397                 tasks = t->next;
 398                 t->next = 0;
 399                 t->func(vbus_ext->vbus, t->data);
 400         }
 401 }
 402
 403 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
 404 {
 405         if(vbus_ext){
 406                 hpt_lock_vbus(vbus_ext);
 407                 __hpt_do_tasks(vbus_ext);
 408                 hpt_unlock_vbus(vbus_ext);
 409         }
 410 }
 411
 412 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
 413 static void hpt_poll(struct cam_sim *sim);
 414 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
 415 static void hpt_pci_intr(void *arg);
 416
 417 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
 418 {
 419         POS_CMDEXT p = vbus_ext->cmdext_list;
 420         if (p)
 421                 vbus_ext->cmdext_list = p->next;
 422         return p;
 423 }
 424
 425 static __inline void cmdext_put(POS_CMDEXT p)
 426 {
 427         p->next = p->vbus_ext->cmdext_list;
 428         p->vbus_ext->cmdext_list = p;
 429 }
 430
 431 static void hpt_timeout(void *arg)
 432 {
 433         PCOMMAND pCmd = (PCOMMAND)arg;
 434         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 435
 436         KdPrint(("pCmd %p timeout", pCmd));
 437
 438         ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
 439 }
 440
 441 static void os_cmddone(PCOMMAND pCmd)
 442 {
 443         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 444         union ccb *ccb = ext->ccb;
 445
 446         KdPrint(("<8>os_cmddone(%p, %d)", pCmd, pCmd->Result));
 447         callout_stop(&ext->timeout);
 448         switch(pCmd->Result) {
 449         case RETURN_SUCCESS:
 450                 ccb->ccb_h.status = CAM_REQ_CMP;
 451                 break;
 452         case RETURN_BAD_DEVICE:
 453                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 454                 break;
 455         case RETURN_DEVICE_BUSY:
 456                 ccb->ccb_h.status = CAM_BUSY;
 457                 break;
 458         case RETURN_INVALID_REQUEST:
 459                 ccb->ccb_h.status = CAM_REQ_INVALID;
 460                 break;
 461         case RETURN_SELECTION_TIMEOUT:
 462                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 463                 break;
 464         case RETURN_RETRY:
 465                 ccb->ccb_h.status = CAM_BUSY;
 466                 break;
 467         default:
 468                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 469                 break;
 470         }
 471
 472         if (pCmd->flags.data_in) {
 473                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
 474         }
 475         else if (pCmd->flags.data_out) {
 476                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
 477         }
 478
 479         bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
 480
 481         cmdext_put(ext);
 482         ldm_free_cmds(pCmd);
 483         xpt_done(ccb);
 484 }
 485
 486 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
 487 {
 488         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 489         union ccb *ccb = ext->ccb;
 490
 491         if(logical)     {
 492                 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
 493                 pSg->size = ccb->csio.dxfer_len;
 494                 pSg->eot = 1;
 495                 return TRUE;
 496         }
 497         /* since we have provided physical sg, nobody will ask us to build physical sg */
 498         HPT_ASSERT(0);
 499         return FALSE;
 500 }
 501
 502 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 503 {
 504         PCOMMAND pCmd = (PCOMMAND)arg;
 505         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 506         PSG psg = pCmd->psg;
 507         int idx;
 508
 509         HPT_ASSERT(pCmd->flags.physical_sg);
 510
 511         if (error)
 512                 panic("busdma error");
 513
 514         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 515
 516         if (nsegs != 0) {
 517                 for (idx = 0; idx < nsegs; idx++, psg++) {
 518                         psg->addr.bus = segs[idx].ds_addr;
 519                         psg->size = segs[idx].ds_len;
 520                         psg->eot = 0;
 521                 }
 522                 psg[-1].eot = 1;
 523
 524                 if (pCmd->flags.data_in) {
 525                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 526                             BUS_DMASYNC_PREREAD);
 527                 }
 528                 else if (pCmd->flags.data_out) {
 529                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 530                             BUS_DMASYNC_PREWRITE);
 531                 }
 532         }
 533         callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
 534         ldm_queue_cmd(pCmd);
 535 }
 536
 537 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 538 {
 539         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 540         PVDEV vd;
 541         PCOMMAND pCmd;
 542         POS_CMDEXT ext;
 543         HPT_U8 *cdb;
 544         int error;
 545
 546         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 547                 cdb = ccb->csio.cdb_io.cdb_ptr;
 548         else
 549                 cdb = ccb->csio.cdb_io.cdb_bytes;
 550
 551         KdPrint(("<8>hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 552                 ccb,
 553                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 554                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 555         ));
 556
 557         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 558         if (ccb->ccb_h.target_lun != 0 ||
 559                 ccb->ccb_h.target_id >= osm_max_targets ||
 560                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 561         {
 562                 ccb->ccb_h.status = CAM_TID_INVALID;
 563                 xpt_done(ccb);
 564                 return;
 565         }
 566
 567         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 568
 569         if (!vd) {
 570                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 571                 xpt_done(ccb);
 572                 return;
 573         }
 574
 575         switch (cdb[0]) {
 576         case TEST_UNIT_READY:
 577         case START_STOP_UNIT:
 578         case SYNCHRONIZE_CACHE:
 579                 ccb->ccb_h.status = CAM_REQ_CMP;
 580                 break;
 581
 582         case INQUIRY:
 583                 {
 584                         PINQUIRYDATA inquiryData;
 585                         memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 586                         inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 587
 588                         inquiryData->AdditionalLength = 31;
 589                         inquiryData->CommandQueue = 1;
 590                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 591                         memcpy(&inquiryData->ProductId, "DISK 0_0        ", 16);
 592
 593                         if (vd->target_id / 10) {
 594                                 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
 595                                 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
 596                         }
 597                         else
 598                                 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
 599
 600                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 601
 602                         ccb->ccb_h.status = CAM_REQ_CMP;
 603                 }
 604                 break;
 605
 606         case READ_CAPACITY:
 607         {
 608                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 609                 HPT_U32 cap;
 610                 HPT_U8 sector_size_shift = 0;
 611                 HPT_U64 new_cap;
 612                 HPT_U32 sector_size = 0;
 613
 614                 if (mIsArray(vd->type))
 615                         sector_size_shift = vd->u.array.sector_size_shift;
 616                 else{
 617                         if(vd->type == VD_RAW){
 618                                 sector_size = vd->u.raw.logical_sector_size;
 619                         }
 620
 621                         switch (sector_size) {
 622                                 case 0x1000:
 623                                         KdPrint(("set 4k setctor size in READ_CAPACITY"));
 624                                         sector_size_shift = 3;
 625                                         break;
 626                                 default:
 627                                         break;
 628                         }
 629                 }
 630                 new_cap = vd->capacity >> sector_size_shift;
 631
 632                 if (new_cap > 0xfffffffful)
 633                         cap = 0xffffffff;
 634                 else
 635                         cap = new_cap - 1;
 636
 637                 rbuf[0] = (HPT_U8)(cap>>24);
 638                 rbuf[1] = (HPT_U8)(cap>>16);
 639                 rbuf[2] = (HPT_U8)(cap>>8);
 640                 rbuf[3] = (HPT_U8)cap;
 641                 rbuf[4] = 0;
 642                 rbuf[5] = 0;
 643                 rbuf[6] = 2 << sector_size_shift;
 644                 rbuf[7] = 0;
 645
 646                 ccb->ccb_h.status = CAM_REQ_CMP;
 647                 break;
 648         }
 649         case REPORT_LUNS:
 650         {
 651                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 652                 memset(rbuf, 0, 16);
 653                 rbuf[3] = 8;
 654                 ccb->ccb_h.status = CAM_REQ_CMP;
 655                 break;
 656         }
 657         case SERVICE_ACTION_IN:
 658         {
 659                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 660                 HPT_U64 cap = 0;
 661                 HPT_U8 sector_size_shift = 0;
 662                 HPT_U32 sector_size = 0;
 663
 664                 if(mIsArray(vd->type))
 665                         sector_size_shift = vd->u.array.sector_size_shift;
 666                 else{
 667                         if(vd->type == VD_RAW){
 668                                 sector_size = vd->u.raw.logical_sector_size;
 669                         }
 670
 671                         switch (sector_size) {
 672                                 case 0x1000:
 673                                         KdPrint(("set 4k setctor size in SERVICE_ACTION_IN"));
 674                                         sector_size_shift = 3;
 675                                         break;
 676                                 default:
 677                                         break;
 678                         }
 679                 }
 680                 cap = (vd->capacity >> sector_size_shift) - 1;
 681
 682                 rbuf[0] = (HPT_U8)(cap>>56);
 683                 rbuf[1] = (HPT_U8)(cap>>48);
 684                 rbuf[2] = (HPT_U8)(cap>>40);
 685                 rbuf[3] = (HPT_U8)(cap>>32);
 686                 rbuf[4] = (HPT_U8)(cap>>24);
 687                 rbuf[5] = (HPT_U8)(cap>>16);
 688                 rbuf[6] = (HPT_U8)(cap>>8);
 689                 rbuf[7] = (HPT_U8)cap;
 690                 rbuf[8] = 0;
 691                 rbuf[9] = 0;
 692                 rbuf[10] = 2 << sector_size_shift;
 693                 rbuf[11] = 0;
 694
 695                 ccb->ccb_h.status = CAM_REQ_CMP;
 696                 break;
 697         }
 698
 699         case READ_6:
 700         case READ_10:
 701         case READ_16:
 702         case WRITE_6:
 703         case WRITE_10:
 704         case WRITE_16:
 705         case 0x13:
 706         case 0x2f:
 707         case 0x8f: /* VERIFY_16 */
 708         {
 709                 HPT_U8 sector_size_shift = 0;
 710                 HPT_U32 sector_size = 0;
 711                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 712                 if(!pCmd){
 713                         KdPrint(("Failed to allocate command!"));
 714                         ccb->ccb_h.status = CAM_BUSY;
 715                         break;
 716                 }
 717
 718                 switch (cdb[0]) {
 719                 case READ_6:
 720                 case WRITE_6:
 721                 case 0x13:
 722                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
 723                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
 724                         break;
 725                 case READ_16:
 726                 case WRITE_16:
 727                 case 0x8f: /* VERIFY_16 */
 728                 {
 729                         HPT_U64 block =
 730                                 ((HPT_U64)cdb[2]<<56) |
 731                                 ((HPT_U64)cdb[3]<<48) |
 732                                 ((HPT_U64)cdb[4]<<40) |
 733                                 ((HPT_U64)cdb[5]<<32) |
 734                                 ((HPT_U64)cdb[6]<<24) |
 735                                 ((HPT_U64)cdb[7]<<16) |
 736                                 ((HPT_U64)cdb[8]<<8) |
 737                                 ((HPT_U64)cdb[9]);
 738                         pCmd->uCmd.Ide.Lba = block;
 739                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
 740                         break;
 741                 }
 742
 743                 default:
 744                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
 745                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
 746                         break;
 747                 }
 748
 749                 if(mIsArray(vd->type)) {
 750                         sector_size_shift = vd->u.array.sector_size_shift;
 751                 }
 752                 else{
 753                         if(vd->type == VD_RAW){
 754                                 sector_size = vd->u.raw.logical_sector_size;
 755                         }
 756
 757                         switch (sector_size) {
 758                                 case 0x1000:
 759                                         KdPrint(("<8>resize sector size from 4k to 512"));
 760                                         sector_size_shift = 3;
 761                                         break;
 762                                 default:
 763                                         break;
 764                         }
 765                 }
 766                 pCmd->uCmd.Ide.Lba <<= sector_size_shift;
 767                 pCmd->uCmd.Ide.nSectors <<= sector_size_shift;
 768
 769
 770                 switch (cdb[0]) {
 771                 case READ_6:
 772                 case READ_10:
 773                 case READ_16:
 774                         pCmd->flags.data_in = 1;
 775                         break;
 776                 case WRITE_6:
 777                 case WRITE_10:
 778                 case WRITE_16:
 779                         pCmd->flags.data_out = 1;
 780                         break;
 781                 }
 782                 pCmd->priv = ext = cmdext_get(vbus_ext);
 783                 HPT_ASSERT(ext);
 784                 ext->ccb = ccb;
 785                 pCmd->target = vd;
 786                 pCmd->done = os_cmddone;
 787                 pCmd->buildsgl = os_buildsgl;
 788
 789                 pCmd->psg = ext->psg;
 790                 pCmd->flags.physical_sg = 1;
 791                 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
 792                                         ext->dma_map, ccb,
 793                                         hpt_io_dmamap_callback, pCmd,
 794                                         BUS_DMA_WAITOK
 795                                 );
 796                 KdPrint(("<8>bus_dmamap_load return %d", error));
 797                 if (error && error!=EINPROGRESS) {
 798                         os_printk("bus_dmamap_load error %d", error);
 799                         cmdext_put(ext);
 800                         ldm_free_cmds(pCmd);
 801                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 802                         xpt_done(ccb);
 803                 }
 804                 return;
 805         }
 806
 807         default:
 808                 ccb->ccb_h.status = CAM_REQ_INVALID;
 809                 break;
 810         }
 811
 812         xpt_done(ccb);
 813         return;
 814 }
 815
 816 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
 817 {
 818         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 819
 820         KdPrint(("<8>hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
 821
 822         hpt_assert_vbus_locked(vbus_ext);
 823         switch (ccb->ccb_h.func_code) {
 824
 825         case XPT_SCSI_IO:
 826                 hpt_scsi_io(vbus_ext, ccb);
 827                 return;
 828
 829         case XPT_RESET_BUS:
 830                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 831                 break;
 832
 833         case XPT_GET_TRAN_SETTINGS:
 834         case XPT_SET_TRAN_SETTINGS:
 835                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 836                 break;
 837
 838         case XPT_CALC_GEOMETRY:
 839                 ccb->ccg.heads = 255;
 840                 ccb->ccg.secs_per_track = 63;
 841                 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
 842                 ccb->ccb_h.status = CAM_REQ_CMP;
 843                 break;
 844
 845         case XPT_PATH_INQ:
 846         {
 847                 struct ccb_pathinq *cpi = &ccb->cpi;
 848
 849                 cpi->version_num = 1;
 850                 cpi->hba_inquiry = PI_SDTR_ABLE;
 851                 cpi->target_sprt = 0;
 852                 cpi->hba_misc = PIM_NOBUSRESET;
 853                 cpi->hba_eng_cnt = 0;
 854                 cpi->max_target = osm_max_targets;
 855                 cpi->max_lun = 0;
 856                 cpi->unit_number = cam_sim_unit(sim);
 857                 cpi->bus_id = cam_sim_bus(sim);
 858                 cpi->initiator_id = osm_max_targets;
 859                 cpi->base_transfer_speed = 3300;
 860
 861                 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 862                 strlcpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
 863                 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 864                 cpi->transport = XPORT_SPI;
 865                 cpi->transport_version = 2;
 866                 cpi->protocol = PROTO_SCSI;
 867                 cpi->protocol_version = SCSI_REV_2;
 868                 cpi->ccb_h.status = CAM_REQ_CMP;
 869                 break;
 870         }
 871
 872         default:
 873                 ccb->ccb_h.status = CAM_REQ_INVALID;
 874                 break;
 875         }
 876
 877         xpt_done(ccb);
 878         return;
 879 }
 880
 881 static void hpt_pci_intr(void *arg)
 882 {
 883         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
 884         hpt_lock_vbus(vbus_ext);
 885         ldm_intr((PVBUS)vbus_ext->vbus);
 886         hpt_unlock_vbus(vbus_ext);
 887 }
 888
 889 static void hpt_poll(struct cam_sim *sim)
 890 {
 891         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 892
 893         hpt_assert_vbus_locked(vbus_ext);
 894         ldm_intr((PVBUS)vbus_ext->vbus);
 895 }
 896
 897 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
 898 {
 899         KdPrint(("<8>hpt_async"));
 900 }
 901
 902 static int hpt_shutdown(device_t dev)
 903 {
 904         KdPrint(("hpt_shutdown(dev=%p)", dev));
 905         return 0;
 906 }
 907
 908 static int hpt_detach(device_t dev)
 909 {
 910         /* we don't allow the driver to be unloaded. */
 911         return EBUSY;
 912 }
 913
 914 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
 915 {
 916         arg->ioctl_cmnd = 0;
 917         wakeup(arg);
 918 }
 919
 920 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
 921 {
 922         ioctl_args->result = -1;
 923         ioctl_args->done = hpt_ioctl_done;
 924         ioctl_args->ioctl_cmnd = (void *)1;
 925
 926         hpt_lock_vbus(vbus_ext);
 927         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
 928
 929         while (ioctl_args->ioctl_cmnd) {
 930                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
 931                         break;
 932                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 933                 __hpt_do_tasks(vbus_ext);
 934         }
 935
 936         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
 937
 938         hpt_unlock_vbus(vbus_ext);
 939 }
 940
 941 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
 942 {
 943         PVBUS vbus;
 944         PVBUS_EXT vbus_ext;
 945
 946         ldm_for_each_vbus(vbus, vbus_ext) {
 947                 __hpt_do_ioctl(vbus_ext, ioctl_args);
 948                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
 949                         return;
 950         }
 951 }
 952
 953 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
 954         IOCTL_ARG arg;\
 955         arg.dwIoControlCode = code;\
 956         arg.lpInBuffer = inbuf;\
 957         arg.lpOutBuffer = outbuf;\
 958         arg.nInBufferSize = insize;\
 959         arg.nOutBufferSize = outsize;\
 960         arg.lpBytesReturned = 0;\
 961         hpt_do_ioctl(&arg);\
 962         arg.result;\
 963 })
 964
 965 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
 966
 967 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
 968 {
 969         int i;
 970         HPT_U32 count = nMaxCount-1;
 971
 972         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
 973                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
 974                 return -1;
 975
 976         nMaxCount = (int)pIds[0];
 977         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
 978         return nMaxCount;
 979 }
 980
 981 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
 982 {
 983         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
 984                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
 985 }
 986
 987 /* not belong to this file logically, but we want to use ioctl interface */
 988 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
 989 {
 990         LOGICAL_DEVICE_INFO_V3 devinfo;
 991         int i, result;
 992         DEVICEID param[2] = { id, 0 };
 993
 994         if (hpt_get_device_info_v3(id, &devinfo))
 995                 return -1;
 996
 997         if (devinfo.Type!=LDT_ARRAY)
 998                 return -1;
 999
1000         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
1001                 param[1] = AS_REBUILD_ABORT;
1002         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
1003                 param[1] = AS_VERIFY_ABORT;
1004         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
1005                 param[1] = AS_INITIALIZE_ABORT;
1006         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
1007                 param[1] = AS_TRANSFORM_ABORT;
1008         else
1009                 return -1;
1010
1011         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
1012         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
1013                                 param, sizeof(param), 0, 0);
1014
1015         for (i=0; i<devinfo.u.array.nDisk; i++)
1016                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
1017                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
1018
1019         return result;
1020 }
1021
1022 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
1023 {
1024         DEVICEID ids[32];
1025         int i, count;
1026
1027         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
1028
1029         for (i=0; i<count; i++)
1030                 __hpt_stop_tasks(vbus_ext, ids[i]);
1031 }
1032
1033 static  d_open_t        hpt_open;
1034 static  d_close_t       hpt_close;
1035 static  d_ioctl_t       hpt_ioctl;
1036 static  int             hpt_rescan_bus(void);
1037
1038 static struct cdevsw hpt_cdevsw = {
1039         .d_open =       hpt_open,
1040         .d_close =      hpt_close,
1041         .d_ioctl =      hpt_ioctl,
1042         .d_name =       driver_name,
1043         .d_version =    D_VERSION,
1044 };
1045
1046 static struct intr_config_hook hpt_ich;
1047
1048 /*
1049  * hpt_final_init will be called after all hpt_attach.
1050  */
1051 static void hpt_final_init(void *dummy)
1052 {
1053         int       i,unit_number=0;
1054         PVBUS_EXT vbus_ext;
1055         PVBUS vbus;
1056         PHBA hba;
1057
1058         /* Clear the config hook */
1059         config_intrhook_disestablish(&hpt_ich);
1060
1061         /* allocate memory */
1062         i = 0;
1063         ldm_for_each_vbus(vbus, vbus_ext) {
1064                 if (hpt_alloc_mem(vbus_ext)) {
1065                         os_printk("out of memory");
1066                         return;
1067                 }
1068                 i++;
1069         }
1070
1071         if (!i) {
1072                 if (bootverbose)
1073                         os_printk("no controller detected.");
1074                 return;
1075         }
1076
1077         /* initializing hardware */
1078         ldm_for_each_vbus(vbus, vbus_ext) {
1079                 /* make timer available here */
1080                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1081                 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0);
1082                 if (hpt_init_vbus(vbus_ext)) {
1083                         os_printk("fail to initialize hardware");
1084                         break; /* FIXME */
1085                 }
1086         }
1087
1088         /* register CAM interface */
1089         ldm_for_each_vbus(vbus, vbus_ext) {
1090                 struct cam_devq *devq;
1091                 struct ccb_setasync     ccb;
1092
1093                 if (bus_dma_tag_create(NULL,/* parent */
1094                                 4,      /* alignment */
1095                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1096                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1097                                 BUS_SPACE_MAXADDR,      /* highaddr */
1098                                 NULL, NULL,             /* filter, filterarg */
1099                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1100                                 os_max_sg_descriptors,  /* nsegments */
1101                                 0x10000,        /* maxsegsize */
1102                                 BUS_DMA_WAITOK,         /* flags */
1103                                 busdma_lock_mutex,      /* lockfunc */
1104                                 &vbus_ext->lock,                /* lockfuncarg */
1105                                 &vbus_ext->io_dmat      /* tag */))
1106                 {
1107                         return ;
1108                 }
1109
1110                 for (i=0; i<os_max_queue_comm; i++) {
1111                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1112                         if (!ext) {
1113                                 os_printk("Can't alloc cmdext(%d)", i);
1114                                 return ;
1115                         }
1116                         ext->vbus_ext = vbus_ext;
1117                         ext->next = vbus_ext->cmdext_list;
1118                         vbus_ext->cmdext_list = ext;
1119
1120                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1121                                 os_printk("Can't create dma map(%d)", i);
1122                                 return ;
1123                         }
1124                         callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0);
1125                 }
1126
1127                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1128                         os_printk("cam_simq_alloc failed");
1129                         return ;
1130                 }
1131                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1132                                 vbus_ext, unit_number, &vbus_ext->lock, os_max_queue_comm, /*tagged*/8,  devq);
1133                 unit_number++;
1134                 if (!vbus_ext->sim) {
1135                         os_printk("cam_sim_alloc failed");
1136                         cam_simq_free(devq);
1137                         return ;
1138                 }
1139
1140                 hpt_lock_vbus(vbus_ext);
1141                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1142                         hpt_unlock_vbus(vbus_ext);
1143                         os_printk("xpt_bus_register failed");
1144                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1145                         vbus_ext->sim = NULL;
1146                         return ;
1147                 }
1148
1149                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1150                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1151                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1152                 {
1153                         hpt_unlock_vbus(vbus_ext);
1154                         os_printk("xpt_create_path failed");
1155                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1156                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1157                         vbus_ext->sim = NULL;
1158                         return ;
1159                 }
1160
1161                 memset(&ccb, 0, sizeof(ccb));
1162                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1163                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1164                 ccb.event_enable = AC_LOST_DEVICE;
1165                 ccb.callback = hpt_async;
1166                 ccb.callback_arg = vbus_ext;
1167                 xpt_action((union ccb *)&ccb);
1168                 hpt_unlock_vbus(vbus_ext);
1169
1170                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1171                         int rid = 0;
1172                         if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev,
1173                                 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1174                         {
1175                                 os_printk("can't allocate interrupt");
1176                                 return ;
1177                         }
1178                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE,
1179                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1180                         {
1181                                 os_printk("can't set up interrupt");
1182                                 return ;
1183                         }
1184                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1185
1186                 }
1187
1188                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1189                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1190                 if (!vbus_ext->shutdown_eh)
1191                         os_printk("Shutdown event registration failed");
1192         }
1193
1194         ldm_for_each_vbus(vbus, vbus_ext) {
1195                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1196                 if (vbus_ext->tasks)
1197                         TASK_ENQUEUE(&vbus_ext->worker);
1198         }
1199
1200         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1201             S_IRUSR | S_IWUSR, "%s", driver_name);
1202 }
1203
1204 #if defined(KLD_MODULE)
1205
1206 typedef struct driverlink *driverlink_t;
1207 struct driverlink {
1208         kobj_class_t    driver;
1209         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1210 };
1211
1212 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1213
1214 struct devclass {
1215         TAILQ_ENTRY(devclass) link;
1216         devclass_t      parent;         /* parent in devclass hierarchy */
1217         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1218         char            *name;
1219         device_t        *devices;       /* array of devices indexed by unit */
1220         int             maxunit;        /* size of devices array */
1221 };
1222
1223 static void override_kernel_driver(void)
1224 {
1225         driverlink_t dl, dlfirst;
1226         driver_t *tmpdriver;
1227         devclass_t dc = devclass_find("pci");
1228
1229         if (dc){
1230                 dlfirst = TAILQ_FIRST(&dc->drivers);
1231                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1232                         if(strcmp(dl->driver->name, driver_name) == 0) {
1233                                 tmpdriver=dl->driver;
1234                                 dl->driver=dlfirst->driver;
1235                                 dlfirst->driver=tmpdriver;
1236                                 break;
1237                         }
1238                 }
1239         }
1240 }
1241
1242 #else
1243 #define override_kernel_driver()
1244 #endif
1245
1246 static void hpt_init(void *dummy)
1247 {
1248         if (bootverbose)
1249                 os_printk("%s %s", driver_name_long, driver_ver);
1250
1251         override_kernel_driver();
1252         init_config();
1253
1254         hpt_ich.ich_func = hpt_final_init;
1255         hpt_ich.ich_arg = NULL;
1256         if (config_intrhook_establish(&hpt_ich) != 0) {
1257                 printf("%s: cannot establish configuration hook\n",
1258                     driver_name_long);
1259         }
1260
1261 }
1262 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1263
1264 /*
1265  * CAM driver interface
1266  */
1267 static device_method_t driver_methods[] = {
1268         /* Device interface */
1269         DEVMETHOD(device_probe,         hpt_probe),
1270         DEVMETHOD(device_attach,        hpt_attach),
1271         DEVMETHOD(device_detach,        hpt_detach),
1272         DEVMETHOD(device_shutdown,      hpt_shutdown),
1273         { 0, 0 }
1274 };
1275
1276 static driver_t hpt_pci_driver = {
1277         driver_name,
1278         driver_methods,
1279         sizeof(HBA)
1280 };
1281
1282 #ifndef TARGETNAME
1283 #error "no TARGETNAME found"
1284 #endif
1285
1286 /* use this to make TARGETNAME be expanded */
1287 #define __DRIVER_MODULE(p1, p2, p3, p4, p5) DRIVER_MODULE(p1, p2, p3, p4, p5)
1288 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1289 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1290 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, 0, 0);
1291 __MODULE_VERSION(TARGETNAME, 1);
1292 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1293
1294 static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td)
1295 {
1296         return 0;
1297 }
1298
1299 static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td)
1300 {
1301         return 0;
1302 }
1303
1304 static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
1305 {
1306         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1307         IOCTL_ARG ioctl_args;
1308         HPT_U32 bytesReturned = 0;
1309
1310         switch (cmd){
1311         case HPT_DO_IOCONTROL:
1312         {
1313                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1314                         KdPrint(("<8>ioctl=%x in=%p len=%d out=%p len=%d\n",
1315                                 piop->dwIoControlCode,
1316                                 piop->lpInBuffer,
1317                                 piop->nInBufferSize,
1318                                 piop->lpOutBuffer,
1319                                 piop->nOutBufferSize));
1320
1321                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1322
1323                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1324                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1325                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1326                 ioctl_args.lpBytesReturned = &bytesReturned;
1327
1328                 if (ioctl_args.nInBufferSize) {
1329                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1330                         if (!ioctl_args.lpInBuffer)
1331                                 goto invalid;
1332                         if (copyin((void*)piop->lpInBuffer,
1333                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1334                                 goto invalid;
1335                 }
1336
1337                 if (ioctl_args.nOutBufferSize) {
1338                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK | M_ZERO);
1339                         if (!ioctl_args.lpOutBuffer)
1340                                 goto invalid;
1341                 }
1342
1343                 hpt_do_ioctl(&ioctl_args);
1344
1345                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1346                         if (piop->nOutBufferSize) {
1347                                 if (copyout(ioctl_args.lpOutBuffer,
1348                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1349                                         goto invalid;
1350                         }
1351                         if (piop->lpBytesReturned) {
1352                                 if (copyout(&bytesReturned,
1353                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1354                                         goto invalid;
1355                         }
1356                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1357                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1358                         return 0;
1359                 }
1360 invalid:
1361                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1362                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1363                 return EFAULT;
1364         }
1365         return EFAULT;
1366         }
1367
1368         case HPT_SCAN_BUS:
1369         {
1370                 return hpt_rescan_bus();
1371         }
1372         default:
1373                 KdPrint(("invalid command!"));
1374                 return EFAULT;
1375         }
1376
1377 }
1378
1379 static int      hpt_rescan_bus(void)
1380 {
1381         union ccb                       *ccb;
1382         PVBUS                           vbus;
1383         PVBUS_EXT                       vbus_ext;
1384
1385         ldm_for_each_vbus(vbus, vbus_ext) {
1386                 if ((ccb = xpt_alloc_ccb()) == NULL)
1387                 {
1388                         return(ENOMEM);
1389                 }
1390                 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1391                         CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1392                 {
1393                         xpt_free_ccb(ccb);
1394                         return(EIO);
1395                 }
1396                 xpt_rescan(ccb);
1397         }
1398         return(0);
1399 }
1400