sys/dev/hpt27xx/hpt27xx_osm_bsd.c

   1 /*-
   2  * Copyright (c) 2011 HighPoint Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28
  29 #include <dev/hpt27xx/hpt27xx_config.h>
  30
  31 #include <dev/hpt27xx/os_bsd.h>
  32 #include <dev/hpt27xx/hptintf.h>
  33
  34 static HIM *hpt_match(device_t dev)
  35 {
  36         PCI_ID pci_id;
  37         HIM *him;
  38         int i;
  39
  40         for (him = him_list; him; him = him->next) {
  41                 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
  42                         if (him->get_controller_count)
  43                                 him->get_controller_count(&pci_id,0,0);
  44                         if ((pci_get_vendor(dev) == pci_id.vid) &&
  45                                 (pci_get_device(dev) == pci_id.did)){
  46                                 return (him);
  47                         }
  48                 }
  49         }
  50         return (NULL);
  51 }
  52
  53 static int hpt_probe(device_t dev)
  54 {
  55         HIM *him;
  56
  57         him = hpt_match(dev);
  58         if (him != NULL) {
  59                 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
  60                         pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
  61                         ));
  62                 device_set_desc(dev, him->name);
  63                 return (BUS_PROBE_DEFAULT);
  64         }
  65
  66         return (ENXIO);
  67 }
  68
  69 static int hpt_attach(device_t dev)
  70 {
  71         PHBA hba = (PHBA)device_get_softc(dev);
  72         HIM *him;
  73         PCI_ID pci_id;
  74         HPT_UINT size;
  75         PVBUS vbus;
  76         PVBUS_EXT vbus_ext;
  77
  78         KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
  79
  80         him = hpt_match(dev);
  81         hba->ext_type = EXT_TYPE_HBA;
  82         hba->ldm_adapter.him = him;
  83         pci_enable_busmaster(dev);
  84
  85         pci_id.vid = pci_get_vendor(dev);
  86         pci_id.did = pci_get_device(dev);
  87         pci_id.rev = pci_get_revid(dev);
  88         pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev);
  89
  90         size = him->get_adapter_size(&pci_id);
  91         hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
  92         if (!hba->ldm_adapter.him_handle)
  93                 return ENXIO;
  94
  95         hba->pcidev = dev;
  96         hba->pciaddr.tree = 0;
  97         hba->pciaddr.bus = pci_get_bus(dev);
  98         hba->pciaddr.device = pci_get_slot(dev);
  99         hba->pciaddr.function = pci_get_function(dev);
 100
 101         if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
 102                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 103                 return ENXIO;
 104         }
 105
 106         os_printk("adapter at PCI %d:%d:%d, IRQ %d",
 107                 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
 108
 109         if (!ldm_register_adapter(&hba->ldm_adapter)) {
 110                 size = ldm_get_vbus_size();
 111                 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
 112                 if (!vbus_ext) {
 113                         free(hba->ldm_adapter.him_handle, M_DEVBUF);
 114                         return ENXIO;
 115                 }
 116                 memset(vbus_ext, 0, sizeof(VBUS_EXT));
 117                 vbus_ext->ext_type = EXT_TYPE_VBUS;
 118                 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
 119                 ldm_register_adapter(&hba->ldm_adapter);
 120         }
 121
 122         ldm_for_each_vbus(vbus, vbus_ext) {
 123                 if (hba->ldm_adapter.vbus==vbus) {
 124                         hba->vbus_ext = vbus_ext;
 125                         hba->next = vbus_ext->hba_list;
 126                         vbus_ext->hba_list = hba;
 127                         break;
 128                 }
 129         }
 130         return 0;
 131 }
 132
 133 /*
 134  * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
 135  * but there are some problems currently (alignment, etc).
 136  */
 137 static __inline void *__get_free_pages(int order)
 138 {
 139         /* don't use low memory - other devices may get starved */
 140         return contigmalloc(PAGE_SIZE<<order,
 141                         M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
 142 }
 143
 144 static __inline void free_pages(void *p, int order)
 145 {
 146         contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
 147 }
 148
 149 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
 150 {
 151         PHBA hba;
 152         struct freelist *f;
 153         HPT_UINT i;
 154         void **p;
 155
 156         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 157                 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
 158
 159         ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
 160
 161         for (f=vbus_ext->freelist_head; f; f=f->next) {
 162                 KdPrint(("%s: %d*%d=%d bytes",
 163                         f->tag, f->count, f->size, f->count*f->size));
 164                 for (i=0; i<f->count; i++) {
 165                         p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
 166                         if (!p) return (ENXIO);
 167                         *p = f->head;
 168                         f->head = p;
 169                 }
 170         }
 171
 172         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 173                 int order, size, j;
 174
 175                 HPT_ASSERT((f->size & (f->alignment-1))==0);
 176
 177                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
 178                         ;
 179
 180                 KdPrint(("%s: %d*%d=%d bytes, order %d",
 181                         f->tag, f->count, f->size, f->count*f->size, order));
 182                 HPT_ASSERT(f->alignment<=PAGE_SIZE);
 183
 184                 for (i=0; i<f->count;) {
 185                         p = (void **)__get_free_pages(order);
 186                         if (!p) return -1;
 187                         for (j = size/f->size; j && i<f->count; i++,j--) {
 188                                 *p = f->head;
 189                                 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
 190                                 f->head = p;
 191                                 p = (void **)((unsigned long)p + f->size);
 192                         }
 193                 }
 194         }
 195
 196         HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
 197
 198         for (i=0; i<os_max_cache_pages; i++) {
 199                 p = (void **)__get_free_pages(0);
 200                 if (!p) return -1;
 201                 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
 202                 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
 203         }
 204
 205         return 0;
 206 }
 207
 208 static void hpt_free_mem(PVBUS_EXT vbus_ext)
 209 {
 210         struct freelist *f;
 211         void *p;
 212         int i;
 213         BUS_ADDRESS bus;
 214
 215         for (f=vbus_ext->freelist_head; f; f=f->next) {
 216 #if DBG
 217                 if (f->count!=f->reserved_count) {
 218                         KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 219                 }
 220 #endif
 221                 while ((p=freelist_get(f)))
 222                         free(p, M_DEVBUF);
 223         }
 224
 225         for (i=0; i<os_max_cache_pages; i++) {
 226                 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
 227                 HPT_ASSERT(p);
 228                 free_pages(p, 0);
 229         }
 230
 231         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 232                 int order, size;
 233 #if DBG
 234                 if (f->count!=f->reserved_count) {
 235                         KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 236                 }
 237 #endif
 238                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 239
 240                 while ((p=freelist_get_dma(f, &bus))) {
 241                         if (order)
 242                                 free_pages(p, order);
 243                         else {
 244                         /* can't free immediately since other blocks in this page may still be in the list */
 245                                 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
 246                                         dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
 247                         }
 248                 }
 249         }
 250
 251         while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
 252                 free_pages(p, 0);
 253 }
 254
 255 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
 256 {
 257         PHBA hba;
 258
 259         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 260                 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
 261                         KdPrint(("fail to initialize %p", hba));
 262                         return -1;
 263                 }
 264
 265         ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
 266         return 0;
 267 }
 268
 269 static void hpt_flush_done(PCOMMAND pCmd)
 270 {
 271         PVDEV vd = pCmd->target;
 272
 273         if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
 274                 vd = vd->u.array.transform->target;
 275                 HPT_ASSERT(vd);
 276                 pCmd->target = vd;
 277                 pCmd->Result = RETURN_PENDING;
 278                 vdev_queue_cmd(pCmd);
 279                 return;
 280         }
 281
 282         *(int *)pCmd->priv = 1;
 283         wakeup(pCmd);
 284 }
 285
 286 /*
 287  * flush a vdev (without retry).
 288  */
 289 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 290 {
 291         PCOMMAND pCmd;
 292         int result = 0, done;
 293         HPT_UINT count;
 294
 295         KdPrint(("flusing dev %p", vd));
 296
 297         hpt_lock_vbus(vbus_ext);
 298
 299         if (mIsArray(vd->type) && vd->u.array.transform)
 300                 count = MAX(vd->u.array.transform->source->cmds_per_request,
 301                                         vd->u.array.transform->target->cmds_per_request);
 302         else
 303                 count = vd->cmds_per_request;
 304
 305         pCmd = ldm_alloc_cmds(vd->vbus, count);
 306
 307         if (!pCmd) {
 308                 hpt_unlock_vbus(vbus_ext);
 309                 return -1;
 310         }
 311
 312         pCmd->type = CMD_TYPE_FLUSH;
 313         pCmd->flags.hard_flush = 1;
 314         pCmd->target = vd;
 315         pCmd->done = hpt_flush_done;
 316         done = 0;
 317         pCmd->priv = &done;
 318
 319         ldm_queue_cmd(pCmd);
 320
 321         if (!done) {
 322                 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
 323                         ldm_reset_vbus(vd->vbus);
 324                 }
 325         }
 326
 327         KdPrint(("flush result %d", pCmd->Result));
 328
 329         if (pCmd->Result!=RETURN_SUCCESS)
 330                 result = -1;
 331
 332         ldm_free_cmds(pCmd);
 333
 334         hpt_unlock_vbus(vbus_ext);
 335
 336         return result;
 337 }
 338
 339 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
 340 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
 341 {
 342         PVBUS     vbus = (PVBUS)vbus_ext->vbus;
 343         PHBA hba;
 344         int i;
 345
 346         KdPrint(("hpt_shutdown_vbus"));
 347
 348         /* stop all ctl tasks and disable the worker taskqueue */
 349         hpt_stop_tasks(vbus_ext);
 350         vbus_ext->worker.ta_context = 0;
 351
 352         /* flush devices */
 353         for (i=0; i<osm_max_targets; i++) {
 354                 PVDEV vd = ldm_find_target(vbus, i);
 355                 if (vd) {
 356                         /* retry once */
 357                         if (hpt_flush_vdev(vbus_ext, vd))
 358                                 hpt_flush_vdev(vbus_ext, vd);
 359                 }
 360         }
 361
 362         hpt_lock_vbus(vbus_ext);
 363         ldm_shutdown(vbus);
 364         hpt_unlock_vbus(vbus_ext);
 365
 366         ldm_release_vbus(vbus);
 367
 368         for (hba=vbus_ext->hba_list; hba; hba=hba->next)
 369                 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
 370
 371         hpt_free_mem(vbus_ext);
 372
 373         while ((hba=vbus_ext->hba_list)) {
 374                 vbus_ext->hba_list = hba->next;
 375                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 376         }
 377 #if (__FreeBSD_version >= 1000510)
 378         callout_drain(&vbus_ext->timer);
 379         mtx_destroy(&vbus_ext->lock);
 380 #endif
 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 #if (__FreeBSD_version >= 1000510)
 445         callout_stop(&ext->timeout);
 446 #else
 447         untimeout(hpt_timeout, pCmd, ccb->ccb_h.timeout_ch);
 448 #endif
 449         switch(pCmd->Result) {
 450         case RETURN_SUCCESS:
 451                 ccb->ccb_h.status = CAM_REQ_CMP;
 452                 break;
 453         case RETURN_BAD_DEVICE:
 454                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 455                 break;
 456         case RETURN_DEVICE_BUSY:
 457                 ccb->ccb_h.status = CAM_BUSY;
 458                 break;
 459         case RETURN_INVALID_REQUEST:
 460                 ccb->ccb_h.status = CAM_REQ_INVALID;
 461                 break;
 462         case RETURN_SELECTION_TIMEOUT:
 463                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 464                 break;
 465         case RETURN_RETRY:
 466                 ccb->ccb_h.status = CAM_BUSY;
 467                 break;
 468         default:
 469                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 470                 break;
 471         }
 472
 473         if (pCmd->flags.data_in) {
 474                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
 475         }
 476         else if (pCmd->flags.data_out) {
 477                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
 478         }
 479
 480         bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
 481
 482         cmdext_put(ext);
 483         ldm_free_cmds(pCmd);
 484         xpt_done(ccb);
 485 }
 486
 487 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
 488 {
 489         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 490         union ccb *ccb = ext->ccb;
 491 #if (__FreeBSD_version >= 1000510)
 492         if(logical)     {
 493                 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
 494                 pSg->size = ccb->csio.dxfer_len;
 495                 pSg->eot = 1;
 496                 return TRUE;
 497         }
 498 #else
 499         bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
 500         int idx;
 501
 502         if(logical)     {
 503                 if (ccb->ccb_h.flags & CAM_DATA_PHYS)
 504                         panic("physical address unsupported");
 505
 506                 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
 507                         if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
 508                                 panic("physical address unsupported");
 509
 510                         for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
 511                                 os_set_sgptr(&pSg[idx], (HPT_U8 *)(HPT_UPTR)sgList[idx].ds_addr);
 512                                 pSg[idx].size = sgList[idx].ds_len;
 513                                 pSg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
 514                         }
 515                 }
 516                 else {
 517                         os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
 518                         pSg->size = ccb->csio.dxfer_len;
 519                         pSg->eot = 1;
 520                 }
 521                 return TRUE;
 522         }
 523 #endif
 524         /* since we have provided physical sg, nobody will ask us to build physical sg */
 525         HPT_ASSERT(0);
 526         return FALSE;
 527 }
 528
 529 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 530 {
 531         PCOMMAND pCmd = (PCOMMAND)arg;
 532         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 533         PSG psg = pCmd->psg;
 534         int idx;
 535
 536         HPT_ASSERT(pCmd->flags.physical_sg);
 537
 538         if (error)
 539                 panic("busdma error");
 540
 541         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 542
 543         if (nsegs != 0) {
 544                 for (idx = 0; idx < nsegs; idx++, psg++) {
 545                         psg->addr.bus = segs[idx].ds_addr;
 546                         psg->size = segs[idx].ds_len;
 547                         psg->eot = 0;
 548                 }
 549                 psg[-1].eot = 1;
 550
 551                 if (pCmd->flags.data_in) {
 552                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 553                             BUS_DMASYNC_PREREAD);
 554                 }
 555                 else if (pCmd->flags.data_out) {
 556                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 557                             BUS_DMASYNC_PREWRITE);
 558                 }
 559         }
 560 #if (__FreeBSD_version >= 1000510)
 561         callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
 562 #else
 563         ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 564 #endif
 565         ldm_queue_cmd(pCmd);
 566 }
 567
 568 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 569 {
 570         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 571         PVDEV vd;
 572         PCOMMAND pCmd;
 573         POS_CMDEXT ext;
 574         HPT_U8 *cdb;
 575
 576         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 577                 cdb = ccb->csio.cdb_io.cdb_ptr;
 578         else
 579                 cdb = ccb->csio.cdb_io.cdb_bytes;
 580
 581         KdPrint(("<8>hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 582                 ccb,
 583                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 584                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 585         ));
 586
 587         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 588         if (ccb->ccb_h.target_lun != 0 ||
 589                 ccb->ccb_h.target_id >= osm_max_targets ||
 590                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 591         {
 592                 ccb->ccb_h.status = CAM_TID_INVALID;
 593                 xpt_done(ccb);
 594                 return;
 595         }
 596
 597         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 598
 599         if (!vd) {
 600                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 601                 xpt_done(ccb);
 602                 return;
 603         }
 604
 605         switch (cdb[0]) {
 606         case TEST_UNIT_READY:
 607         case START_STOP_UNIT:
 608         case SYNCHRONIZE_CACHE:
 609                 ccb->ccb_h.status = CAM_REQ_CMP;
 610                 break;
 611
 612         case INQUIRY:
 613                 {
 614                         PINQUIRYDATA inquiryData;
 615                         memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 616                         inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 617
 618                         inquiryData->AdditionalLength = 31;
 619                         inquiryData->CommandQueue = 1;
 620                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 621                         memcpy(&inquiryData->ProductId, "DISK 0_0        ", 16);
 622
 623                         if (vd->target_id / 10) {
 624                                 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
 625                                 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
 626                         }
 627                         else
 628                                 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
 629
 630                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 631
 632                         ccb->ccb_h.status = CAM_REQ_CMP;
 633                 }
 634                 break;
 635
 636         case READ_CAPACITY:
 637         {
 638                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 639                 HPT_U32 cap;
 640                 HPT_U8 sector_size_shift = 0;
 641                 HPT_U64 new_cap;
 642                 HPT_U32 sector_size = 0;
 643
 644                 if (mIsArray(vd->type))
 645                         sector_size_shift = vd->u.array.sector_size_shift;
 646                 else{
 647                         if(vd->type == VD_RAW){
 648                                 sector_size = vd->u.raw.logical_sector_size;
 649                         }
 650
 651                         switch (sector_size) {
 652                                 case 0x1000:
 653                                         KdPrint(("set 4k setctor size in READ_CAPACITY"));
 654                                         sector_size_shift = 3;
 655                                         break;
 656                                 default:
 657                                         break;
 658                         }
 659                 }
 660                 new_cap = vd->capacity >> sector_size_shift;
 661
 662                 if (new_cap > 0xfffffffful)
 663                         cap = 0xffffffff;
 664                 else
 665                         cap = new_cap - 1;
 666
 667                 rbuf[0] = (HPT_U8)(cap>>24);
 668                 rbuf[1] = (HPT_U8)(cap>>16);
 669                 rbuf[2] = (HPT_U8)(cap>>8);
 670                 rbuf[3] = (HPT_U8)cap;
 671                 rbuf[4] = 0;
 672                 rbuf[5] = 0;
 673                 rbuf[6] = 2 << sector_size_shift;
 674                 rbuf[7] = 0;
 675
 676                 ccb->ccb_h.status = CAM_REQ_CMP;
 677                 break;
 678         }
 679         case REPORT_LUNS:
 680         {
 681                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 682                 memset(rbuf, 0, 16);
 683                 rbuf[3] = 8;
 684                 ccb->ccb_h.status = CAM_REQ_CMP;
 685                 break;
 686         }
 687         case SERVICE_ACTION_IN:
 688         {
 689                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 690                 HPT_U64 cap = 0;
 691                 HPT_U8 sector_size_shift = 0;
 692                 HPT_U32 sector_size = 0;
 693
 694                 if(mIsArray(vd->type))
 695                         sector_size_shift = vd->u.array.sector_size_shift;
 696                 else{
 697                         if(vd->type == VD_RAW){
 698                                 sector_size = vd->u.raw.logical_sector_size;
 699                         }
 700
 701                         switch (sector_size) {
 702                                 case 0x1000:
 703                                         KdPrint(("set 4k setctor size in SERVICE_ACTION_IN"));
 704                                         sector_size_shift = 3;
 705                                         break;
 706                                 default:
 707                                         break;
 708                         }
 709                 }
 710                 cap = (vd->capacity >> sector_size_shift) - 1;
 711
 712                 rbuf[0] = (HPT_U8)(cap>>56);
 713                 rbuf[1] = (HPT_U8)(cap>>48);
 714                 rbuf[2] = (HPT_U8)(cap>>40);
 715                 rbuf[3] = (HPT_U8)(cap>>32);
 716                 rbuf[4] = (HPT_U8)(cap>>24);
 717                 rbuf[5] = (HPT_U8)(cap>>16);
 718                 rbuf[6] = (HPT_U8)(cap>>8);
 719                 rbuf[7] = (HPT_U8)cap;
 720                 rbuf[8] = 0;
 721                 rbuf[9] = 0;
 722                 rbuf[10] = 2 << sector_size_shift;
 723                 rbuf[11] = 0;
 724
 725                 ccb->ccb_h.status = CAM_REQ_CMP;
 726                 break;
 727         }
 728
 729         case READ_6:
 730         case READ_10:
 731         case READ_16:
 732         case WRITE_6:
 733         case WRITE_10:
 734         case WRITE_16:
 735         case 0x13:
 736         case 0x2f:
 737         case 0x8f: /* VERIFY_16 */
 738         {
 739                 HPT_U8 sector_size_shift = 0;
 740                 HPT_U32 sector_size = 0;
 741                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 742                 if(!pCmd){
 743                         KdPrint(("Failed to allocate command!"));
 744                         ccb->ccb_h.status = CAM_BUSY;
 745                         break;
 746                 }
 747
 748                 switch (cdb[0]) {
 749                 case READ_6:
 750                 case WRITE_6:
 751                 case 0x13:
 752                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
 753                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
 754                         break;
 755                 case READ_16:
 756                 case WRITE_16:
 757                 case 0x8f: /* VERIFY_16 */
 758                 {
 759                         HPT_U64 block =
 760                                 ((HPT_U64)cdb[2]<<56) |
 761                                 ((HPT_U64)cdb[3]<<48) |
 762                                 ((HPT_U64)cdb[4]<<40) |
 763                                 ((HPT_U64)cdb[5]<<32) |
 764                                 ((HPT_U64)cdb[6]<<24) |
 765                                 ((HPT_U64)cdb[7]<<16) |
 766                                 ((HPT_U64)cdb[8]<<8) |
 767                                 ((HPT_U64)cdb[9]);
 768                         pCmd->uCmd.Ide.Lba = block;
 769                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
 770                         break;
 771                 }
 772
 773                 default:
 774                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
 775                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
 776                         break;
 777                 }
 778
 779                 if(mIsArray(vd->type)) {
 780                         sector_size_shift = vd->u.array.sector_size_shift;
 781                 }
 782                 else{
 783                         if(vd->type == VD_RAW){
 784                                 sector_size = vd->u.raw.logical_sector_size;
 785                         }
 786
 787                         switch (sector_size) {
 788                                 case 0x1000:
 789                                         KdPrint(("<8>resize sector size from 4k to 512"));
 790                                         sector_size_shift = 3;
 791                                         break;
 792                                 default:
 793                                         break;
 794                         }
 795                 }
 796                 pCmd->uCmd.Ide.Lba <<= sector_size_shift;
 797                 pCmd->uCmd.Ide.nSectors <<= sector_size_shift;
 798
 799
 800                 switch (cdb[0]) {
 801                 case READ_6:
 802                 case READ_10:
 803                 case READ_16:
 804                         pCmd->flags.data_in = 1;
 805                         break;
 806                 case WRITE_6:
 807                 case WRITE_10:
 808                 case WRITE_16:
 809                         pCmd->flags.data_out = 1;
 810                         break;
 811                 }
 812                 pCmd->priv = ext = cmdext_get(vbus_ext);
 813                 HPT_ASSERT(ext);
 814                 ext->ccb = ccb;
 815                 pCmd->target = vd;
 816                 pCmd->done = os_cmddone;
 817                 pCmd->buildsgl = os_buildsgl;
 818
 819                 pCmd->psg = ext->psg;
 820 #if (__FreeBSD_version < 1000510)
 821                 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
 822                         int idx;
 823                         bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
 824
 825                         if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
 826                                 pCmd->flags.physical_sg = 1;
 827
 828                         for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
 829                                 pCmd->psg[idx].addr.bus = sgList[idx].ds_addr;
 830                                 pCmd->psg[idx].size = sgList[idx].ds_len;
 831                                 pCmd->psg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
 832                         }
 833
 834                         ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 835                         ldm_queue_cmd(pCmd);
 836                 }
 837                 else
 838 #endif
 839                 {
 840                         int error;
 841                         pCmd->flags.physical_sg = 1;
 842 #if (__FreeBSD_version >= 1000510)
 843                         error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
 844                                                 ext->dma_map, ccb,
 845                                                 hpt_io_dmamap_callback, pCmd,
 846                                                 BUS_DMA_WAITOK
 847                                         );
 848 #else
 849                         error = bus_dmamap_load(vbus_ext->io_dmat,
 850                                                 ext->dma_map,
 851                                                 ccb->csio.data_ptr, ccb->csio.dxfer_len,
 852                                                 hpt_io_dmamap_callback, pCmd,
 853                                         BUS_DMA_WAITOK
 854                                         );
 855 #endif
 856                         KdPrint(("<8>bus_dmamap_load return %d", error));
 857                         if (error && error!=EINPROGRESS) {
 858                                 os_printk("bus_dmamap_load error %d", error);
 859                                 cmdext_put(ext);
 860                                 ldm_free_cmds(pCmd);
 861                                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 862                                 xpt_done(ccb);
 863                         }
 864                 }
 865                 return;
 866         }
 867
 868         default:
 869                 ccb->ccb_h.status = CAM_REQ_INVALID;
 870                 break;
 871         }
 872
 873         xpt_done(ccb);
 874         return;
 875 }
 876
 877 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
 878 {
 879         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 880
 881         KdPrint(("<8>hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
 882
 883 #if (__FreeBSD_version >= 1000510)
 884         hpt_assert_vbus_locked(vbus_ext);
 885 #endif
 886         switch (ccb->ccb_h.func_code) {
 887
 888 #if (__FreeBSD_version < 1000510)
 889         case XPT_SCSI_IO:
 890                 hpt_lock_vbus(vbus_ext);
 891                 hpt_scsi_io(vbus_ext, ccb);
 892                 hpt_unlock_vbus(vbus_ext);
 893                 return;
 894
 895         case XPT_RESET_BUS:
 896                 hpt_lock_vbus(vbus_ext);
 897                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 898                 hpt_unlock_vbus(vbus_ext);
 899                 break;
 900 #else
 901         case XPT_SCSI_IO:
 902                 hpt_scsi_io(vbus_ext, ccb);
 903                 return;
 904
 905         case XPT_RESET_BUS:
 906                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 907                 break;
 908 #endif
 909         case XPT_GET_TRAN_SETTINGS:
 910         case XPT_SET_TRAN_SETTINGS:
 911                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 912                 break;
 913
 914         case XPT_CALC_GEOMETRY:
 915                 ccb->ccg.heads = 255;
 916                 ccb->ccg.secs_per_track = 63;
 917                 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
 918                 ccb->ccb_h.status = CAM_REQ_CMP;
 919                 break;
 920
 921         case XPT_PATH_INQ:
 922         {
 923                 struct ccb_pathinq *cpi = &ccb->cpi;
 924
 925                 cpi->version_num = 1;
 926                 cpi->hba_inquiry = PI_SDTR_ABLE;
 927                 cpi->target_sprt = 0;
 928                 cpi->hba_misc = PIM_NOBUSRESET;
 929                 cpi->hba_eng_cnt = 0;
 930                 cpi->max_target = osm_max_targets;
 931                 cpi->max_lun = 0;
 932                 cpi->unit_number = cam_sim_unit(sim);
 933                 cpi->bus_id = cam_sim_bus(sim);
 934                 cpi->initiator_id = osm_max_targets;
 935                 cpi->base_transfer_speed = 3300;
 936
 937                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 938                 strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
 939                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 940                 cpi->transport = XPORT_SPI;
 941                 cpi->transport_version = 2;
 942                 cpi->protocol = PROTO_SCSI;
 943                 cpi->protocol_version = SCSI_REV_2;
 944                 cpi->ccb_h.status = CAM_REQ_CMP;
 945                 break;
 946         }
 947
 948         default:
 949                 ccb->ccb_h.status = CAM_REQ_INVALID;
 950                 break;
 951         }
 952
 953         xpt_done(ccb);
 954         return;
 955 }
 956
 957 static void hpt_pci_intr(void *arg)
 958 {
 959         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
 960         hpt_lock_vbus(vbus_ext);
 961         ldm_intr((PVBUS)vbus_ext->vbus);
 962         hpt_unlock_vbus(vbus_ext);
 963 }
 964
 965 static void hpt_poll(struct cam_sim *sim)
 966 {
 967 #if (__FreeBSD_version < 1000510)
 968         hpt_pci_intr(cam_sim_softc(sim));
 969 #else
 970         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 971
 972         hpt_assert_vbus_locked(vbus_ext);
 973         ldm_intr((PVBUS)vbus_ext->vbus);
 974 #endif
 975 }
 976
 977 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
 978 {
 979         KdPrint(("<8>hpt_async"));
 980 }
 981
 982 static int hpt_shutdown(device_t dev)
 983 {
 984         KdPrint(("hpt_shutdown(dev=%p)", dev));
 985         return 0;
 986 }
 987
 988 static int hpt_detach(device_t dev)
 989 {
 990         /* we don't allow the driver to be unloaded. */
 991         return EBUSY;
 992 }
 993
 994 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
 995 {
 996         arg->ioctl_cmnd = 0;
 997         wakeup(arg);
 998 }
 999
1000 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
1001 {
1002         ioctl_args->result = -1;
1003         ioctl_args->done = hpt_ioctl_done;
1004         ioctl_args->ioctl_cmnd = (void *)1;
1005
1006         hpt_lock_vbus(vbus_ext);
1007         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
1008
1009         while (ioctl_args->ioctl_cmnd) {
1010                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
1011                         break;
1012                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
1013                 __hpt_do_tasks(vbus_ext);
1014         }
1015
1016         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
1017
1018         hpt_unlock_vbus(vbus_ext);
1019 }
1020
1021 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
1022 {
1023         PVBUS vbus;
1024         PVBUS_EXT vbus_ext;
1025
1026         ldm_for_each_vbus(vbus, vbus_ext) {
1027                 __hpt_do_ioctl(vbus_ext, ioctl_args);
1028                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
1029                         return;
1030         }
1031 }
1032
1033 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
1034         IOCTL_ARG arg;\
1035         arg.dwIoControlCode = code;\
1036         arg.lpInBuffer = inbuf;\
1037         arg.lpOutBuffer = outbuf;\
1038         arg.nInBufferSize = insize;\
1039         arg.nOutBufferSize = outsize;\
1040         arg.lpBytesReturned = 0;\
1041         hpt_do_ioctl(&arg);\
1042         arg.result;\
1043 })
1044
1045 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
1046
1047 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
1048 {
1049         int i;
1050         HPT_U32 count = nMaxCount-1;
1051
1052         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
1053                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
1054                 return -1;
1055
1056         nMaxCount = (int)pIds[0];
1057         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
1058         return nMaxCount;
1059 }
1060
1061 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
1062 {
1063         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
1064                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
1065 }
1066
1067 /* not belong to this file logically, but we want to use ioctl interface */
1068 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
1069 {
1070         LOGICAL_DEVICE_INFO_V3 devinfo;
1071         int i, result;
1072         DEVICEID param[2] = { id, 0 };
1073
1074         if (hpt_get_device_info_v3(id, &devinfo))
1075                 return -1;
1076
1077         if (devinfo.Type!=LDT_ARRAY)
1078                 return -1;
1079
1080         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
1081                 param[1] = AS_REBUILD_ABORT;
1082         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
1083                 param[1] = AS_VERIFY_ABORT;
1084         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
1085                 param[1] = AS_INITIALIZE_ABORT;
1086         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
1087                 param[1] = AS_TRANSFORM_ABORT;
1088         else
1089                 return -1;
1090
1091         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
1092         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
1093                                 param, sizeof(param), 0, 0);
1094
1095         for (i=0; i<devinfo.u.array.nDisk; i++)
1096                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
1097                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
1098
1099         return result;
1100 }
1101
1102 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
1103 {
1104         DEVICEID ids[32];
1105         int i, count;
1106
1107         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
1108
1109         for (i=0; i<count; i++)
1110                 __hpt_stop_tasks(vbus_ext, ids[i]);
1111 }
1112
1113 static  d_open_t        hpt_open;
1114 static  d_close_t       hpt_close;
1115 static  d_ioctl_t       hpt_ioctl;
1116 static  int             hpt_rescan_bus(void);
1117
1118 static struct cdevsw hpt_cdevsw = {
1119         .d_open =       hpt_open,
1120         .d_close =      hpt_close,
1121         .d_ioctl =      hpt_ioctl,
1122         .d_name =       driver_name,
1123         .d_version =    D_VERSION,
1124 };
1125
1126 static struct intr_config_hook hpt_ich;
1127
1128 /*
1129  * hpt_final_init will be called after all hpt_attach.
1130  */
1131 static void hpt_final_init(void *dummy)
1132 {
1133         int       i,unit_number=0;
1134         PVBUS_EXT vbus_ext;
1135         PVBUS vbus;
1136         PHBA hba;
1137
1138         /* Clear the config hook */
1139         config_intrhook_disestablish(&hpt_ich);
1140
1141         /* allocate memory */
1142         i = 0;
1143         ldm_for_each_vbus(vbus, vbus_ext) {
1144                 if (hpt_alloc_mem(vbus_ext)) {
1145                         os_printk("out of memory");
1146                         return;
1147                 }
1148                 i++;
1149         }
1150
1151         if (!i) {
1152                 if (bootverbose)
1153                         os_printk("no controller detected.");
1154                 return;
1155         }
1156
1157         /* initializing hardware */
1158         ldm_for_each_vbus(vbus, vbus_ext) {
1159                 /* make timer available here */
1160                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1161 #if (__FreeBSD_version < 1000510)
1162                 callout_handle_init(&vbus_ext->timer);
1163 #else
1164                 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0);
1165 #endif
1166                 if (hpt_init_vbus(vbus_ext)) {
1167                         os_printk("fail to initialize hardware");
1168                         break; /* FIXME */
1169                 }
1170         }
1171
1172         /* register CAM interface */
1173         ldm_for_each_vbus(vbus, vbus_ext) {
1174                 struct cam_devq *devq;
1175                 struct ccb_setasync     ccb;
1176
1177                 if (bus_dma_tag_create(NULL,/* parent */
1178                                 4,      /* alignment */
1179                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1180                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1181                                 BUS_SPACE_MAXADDR,      /* highaddr */
1182                                 NULL, NULL,             /* filter, filterarg */
1183                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1184                                 os_max_sg_descriptors,  /* nsegments */
1185                                 0x10000,        /* maxsegsize */
1186                                 BUS_DMA_WAITOK,         /* flags */
1187                                 busdma_lock_mutex,      /* lockfunc */
1188                                 &vbus_ext->lock,                /* lockfuncarg */
1189                                 &vbus_ext->io_dmat      /* tag */))
1190                 {
1191                         return ;
1192                 }
1193
1194                 for (i=0; i<os_max_queue_comm; i++) {
1195                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1196                         if (!ext) {
1197                                 os_printk("Can't alloc cmdext(%d)", i);
1198                                 return ;
1199                         }
1200                         ext->vbus_ext = vbus_ext;
1201                         ext->next = vbus_ext->cmdext_list;
1202                         vbus_ext->cmdext_list = ext;
1203
1204                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1205                                 os_printk("Can't create dma map(%d)", i);
1206                                 return ;
1207                         }
1208 #if (__FreeBSD_version >= 1000510)
1209                         callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0);
1210 #endif
1211                 }
1212
1213                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1214                         os_printk("cam_simq_alloc failed");
1215                         return ;
1216                 }
1217 #if (__FreeBSD_version >= 1000510)
1218                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1219                                 vbus_ext, unit_number, &vbus_ext->lock, os_max_queue_comm, /*tagged*/8,  devq);
1220
1221 #else
1222                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1223                                 vbus_ext, unit_number, &Giant, os_max_queue_comm, /*tagged*/8,  devq);
1224 #endif
1225                 unit_number++;
1226                 if (!vbus_ext->sim) {
1227                         os_printk("cam_sim_alloc failed");
1228                         cam_simq_free(devq);
1229                         return ;
1230                 }
1231
1232                 hpt_lock_vbus(vbus_ext);
1233                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1234                         hpt_unlock_vbus(vbus_ext);
1235                         os_printk("xpt_bus_register failed");
1236                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1237                         vbus_ext->sim = NULL;
1238                         return ;
1239                 }
1240
1241                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1242                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1243                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1244                 {
1245                         hpt_unlock_vbus(vbus_ext);
1246                         os_printk("xpt_create_path failed");
1247                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1248                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1249                         vbus_ext->sim = NULL;
1250                         return ;
1251                 }
1252
1253                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1254                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1255                 ccb.event_enable = AC_LOST_DEVICE;
1256                 ccb.callback = hpt_async;
1257                 ccb.callback_arg = vbus_ext;
1258                 xpt_action((union ccb *)&ccb);
1259                 hpt_unlock_vbus(vbus_ext);
1260
1261                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1262                         int rid = 0;
1263                         if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1264                                 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1265                         {
1266                                 os_printk("can't allocate interrupt");
1267                                 return ;
1268                         }
1269 #if (__FreeBSD_version >= 1000510)
1270                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE,
1271 #else
1272                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM,
1273 #endif
1274                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1275                         {
1276                                 os_printk("can't set up interrupt");
1277                                 return ;
1278                         }
1279                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1280
1281                 }
1282
1283                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1284                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1285                 if (!vbus_ext->shutdown_eh)
1286                         os_printk("Shutdown event registration failed");
1287         }
1288
1289         ldm_for_each_vbus(vbus, vbus_ext) {
1290                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1291                 if (vbus_ext->tasks)
1292                         TASK_ENQUEUE(&vbus_ext->worker);
1293         }
1294
1295         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1296             S_IRUSR | S_IWUSR, "%s", driver_name);
1297 }
1298
1299 #if defined(KLD_MODULE)
1300
1301 typedef struct driverlink *driverlink_t;
1302 struct driverlink {
1303         kobj_class_t    driver;
1304         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1305 };
1306
1307 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1308
1309 struct devclass {
1310         TAILQ_ENTRY(devclass) link;
1311         devclass_t      parent;         /* parent in devclass hierarchy */
1312         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1313         char            *name;
1314         device_t        *devices;       /* array of devices indexed by unit */
1315         int             maxunit;        /* size of devices array */
1316 };
1317
1318 static void override_kernel_driver(void)
1319 {
1320         driverlink_t dl, dlfirst;
1321         driver_t *tmpdriver;
1322         devclass_t dc = devclass_find("pci");
1323
1324         if (dc){
1325                 dlfirst = TAILQ_FIRST(&dc->drivers);
1326                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1327                         if(strcmp(dl->driver->name, driver_name) == 0) {
1328                                 tmpdriver=dl->driver;
1329                                 dl->driver=dlfirst->driver;
1330                                 dlfirst->driver=tmpdriver;
1331                                 break;
1332                         }
1333                 }
1334         }
1335 }
1336
1337 #else
1338 #define override_kernel_driver()
1339 #endif
1340
1341 static void hpt_init(void *dummy)
1342 {
1343         if (bootverbose)
1344                 os_printk("%s %s", driver_name_long, driver_ver);
1345
1346         override_kernel_driver();
1347         init_config();
1348
1349         hpt_ich.ich_func = hpt_final_init;
1350         hpt_ich.ich_arg = NULL;
1351         if (config_intrhook_establish(&hpt_ich) != 0) {
1352                 printf("%s: cannot establish configuration hook\n",
1353                     driver_name_long);
1354         }
1355
1356 }
1357 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1358
1359 /*
1360  * CAM driver interface
1361  */
1362 static device_method_t driver_methods[] = {
1363         /* Device interface */
1364         DEVMETHOD(device_probe,         hpt_probe),
1365         DEVMETHOD(device_attach,        hpt_attach),
1366         DEVMETHOD(device_detach,        hpt_detach),
1367         DEVMETHOD(device_shutdown,      hpt_shutdown),
1368         { 0, 0 }
1369 };
1370
1371 static driver_t hpt_pci_driver = {
1372         driver_name,
1373         driver_methods,
1374         sizeof(HBA)
1375 };
1376
1377 static devclass_t       hpt_devclass;
1378
1379 #ifndef TARGETNAME
1380 #error "no TARGETNAME found"
1381 #endif
1382
1383 /* use this to make TARGETNAME be expanded */
1384 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1385 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1386 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1387 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1388 __MODULE_VERSION(TARGETNAME, 1);
1389 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1390
1391 static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td)
1392 {
1393         return 0;
1394 }
1395
1396 static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td)
1397 {
1398         return 0;
1399 }
1400
1401 static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
1402 {
1403         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1404         IOCTL_ARG ioctl_args;
1405         HPT_U32 bytesReturned = 0;
1406
1407         switch (cmd){
1408         case HPT_DO_IOCONTROL:
1409         {
1410                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1411                         KdPrint(("<8>ioctl=%x in=%p len=%d out=%p len=%d\n",
1412                                 piop->dwIoControlCode,
1413                                 piop->lpInBuffer,
1414                                 piop->nInBufferSize,
1415                                 piop->lpOutBuffer,
1416                                 piop->nOutBufferSize));
1417
1418                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1419
1420                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1421                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1422                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1423                 ioctl_args.lpBytesReturned = &bytesReturned;
1424
1425                 if (ioctl_args.nInBufferSize) {
1426                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1427                         if (!ioctl_args.lpInBuffer)
1428                                 goto invalid;
1429                         if (copyin((void*)piop->lpInBuffer,
1430                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1431                                 goto invalid;
1432                 }
1433
1434                 if (ioctl_args.nOutBufferSize) {
1435                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK | M_ZERO);
1436                         if (!ioctl_args.lpOutBuffer)
1437                                 goto invalid;
1438                 }
1439
1440 #if __FreeBSD_version < 1000510
1441                 mtx_lock(&Giant);
1442 #endif
1443
1444                 hpt_do_ioctl(&ioctl_args);
1445
1446 #if __FreeBSD_version < 1000510
1447                 mtx_unlock(&Giant);
1448 #endif
1449
1450                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1451                         if (piop->nOutBufferSize) {
1452                                 if (copyout(ioctl_args.lpOutBuffer,
1453                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1454                                         goto invalid;
1455                         }
1456                         if (piop->lpBytesReturned) {
1457                                 if (copyout(&bytesReturned,
1458                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1459                                         goto invalid;
1460                         }
1461                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1462                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1463                         return 0;
1464                 }
1465 invalid:
1466                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1467                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1468                 return EFAULT;
1469         }
1470         return EFAULT;
1471         }
1472
1473         case HPT_SCAN_BUS:
1474         {
1475                 return hpt_rescan_bus();
1476         }
1477         default:
1478                 KdPrint(("invalid command!"));
1479                 return EFAULT;
1480         }
1481
1482 }
1483
1484 static int      hpt_rescan_bus(void)
1485 {
1486         union ccb                       *ccb;
1487         PVBUS                           vbus;
1488         PVBUS_EXT                       vbus_ext;
1489 #if (__FreeBSD_version < 1000510)
1490         mtx_lock(&Giant);
1491 #endif
1492         ldm_for_each_vbus(vbus, vbus_ext) {
1493                 if ((ccb = xpt_alloc_ccb()) == NULL)
1494                 {
1495                         return(ENOMEM);
1496                 }
1497 #if (__FreeBSD_version < 1000510)
1498                 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(vbus_ext->sim),
1499 #else
1500                 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1501 #endif
1502                         CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1503                 {
1504                         xpt_free_ccb(ccb);
1505                         return(EIO);
1506                 }
1507                 xpt_rescan(ccb);
1508         }
1509 #if (__FreeBSD_version < 1000510)
1510         mtx_unlock(&Giant);
1511 #endif
1512         return(0);
1513 }
1514