sys/dev/hpt27xx/hpt27xx_osm_bsd.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   3  *
   4  * Copyright (c) 2011 HighPoint Technologies, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  * $FreeBSD$
  29  */
  30
  31 #include <dev/hpt27xx/hpt27xx_config.h>
  32
  33 #include <dev/hpt27xx/os_bsd.h>
  34 #include <dev/hpt27xx/hptintf.h>
  35
  36 static HIM *hpt_match(device_t dev, int scan)
  37 {
  38         PCI_ID pci_id;
  39         HIM *him;
  40         int i;
  41
  42         for (him = him_list; him; him = him->next) {
  43                 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
  44                         if (scan && him->get_controller_count)
  45                                 him->get_controller_count(&pci_id,0,0);
  46                         if ((pci_get_vendor(dev) == pci_id.vid) &&
  47                                 (pci_get_device(dev) == pci_id.did)){
  48                                 return (him);
  49                         }
  50                 }
  51         }
  52         return (NULL);
  53 }
  54
  55 static int hpt_probe(device_t dev)
  56 {
  57         HIM *him;
  58
  59         him = hpt_match(dev, 0);
  60         if (him != NULL) {
  61                 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
  62                         pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
  63                         ));
  64                 device_set_desc(dev, him->name);
  65                 return (BUS_PROBE_DEFAULT);
  66         }
  67
  68         return (ENXIO);
  69 }
  70
  71 static int hpt_attach(device_t dev)
  72 {
  73         PHBA hba = (PHBA)device_get_softc(dev);
  74         HIM *him;
  75         PCI_ID pci_id;
  76         HPT_UINT size;
  77         PVBUS vbus;
  78         PVBUS_EXT vbus_ext;
  79
  80         KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
  81
  82         him = hpt_match(dev, 1);
  83         hba->ext_type = EXT_TYPE_HBA;
  84         hba->ldm_adapter.him = him;
  85         pci_enable_busmaster(dev);
  86
  87         pci_id.vid = pci_get_vendor(dev);
  88         pci_id.did = pci_get_device(dev);
  89         pci_id.rev = pci_get_revid(dev);
  90         pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev);
  91
  92         size = him->get_adapter_size(&pci_id);
  93         hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
  94         if (!hba->ldm_adapter.him_handle)
  95                 return ENXIO;
  96
  97         hba->pcidev = dev;
  98         hba->pciaddr.tree = 0;
  99         hba->pciaddr.bus = pci_get_bus(dev);
 100         hba->pciaddr.device = pci_get_slot(dev);
 101         hba->pciaddr.function = pci_get_function(dev);
 102
 103         if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
 104                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 105                 return ENXIO;
 106         }
 107
 108         os_printk("adapter at PCI %d:%d:%d, IRQ %d",
 109                 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
 110
 111         if (!ldm_register_adapter(&hba->ldm_adapter)) {
 112                 size = ldm_get_vbus_size();
 113                 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
 114                 if (!vbus_ext) {
 115                         free(hba->ldm_adapter.him_handle, M_DEVBUF);
 116                         return ENXIO;
 117                 }
 118                 memset(vbus_ext, 0, sizeof(VBUS_EXT));
 119                 vbus_ext->ext_type = EXT_TYPE_VBUS;
 120                 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
 121                 ldm_register_adapter(&hba->ldm_adapter);
 122         }
 123
 124         ldm_for_each_vbus(vbus, vbus_ext) {
 125                 if (hba->ldm_adapter.vbus==vbus) {
 126                         hba->vbus_ext = vbus_ext;
 127                         hba->next = vbus_ext->hba_list;
 128                         vbus_ext->hba_list = hba;
 129                         break;
 130                 }
 131         }
 132         return 0;
 133 }
 134
 135 /*
 136  * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
 137  * but there are some problems currently (alignment, etc).
 138  */
 139 static __inline void *__get_free_pages(int order)
 140 {
 141         /* don't use low memory - other devices may get starved */
 142         return contigmalloc(PAGE_SIZE<<order,
 143                         M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
 144 }
 145
 146 static __inline void free_pages(void *p, int order)
 147 {
 148         contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
 149 }
 150
 151 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
 152 {
 153         PHBA hba;
 154         struct freelist *f;
 155         HPT_UINT i;
 156         void **p;
 157
 158         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 159                 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
 160
 161         ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
 162
 163         for (f=vbus_ext->freelist_head; f; f=f->next) {
 164                 KdPrint(("%s: %d*%d=%d bytes",
 165                         f->tag, f->count, f->size, f->count*f->size));
 166                 for (i=0; i<f->count; i++) {
 167                         p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
 168                         if (!p) return (ENXIO);
 169                         *p = f->head;
 170                         f->head = p;
 171                 }
 172         }
 173
 174         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 175                 int order, size, j;
 176
 177                 HPT_ASSERT((f->size & (f->alignment-1))==0);
 178
 179                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
 180                         ;
 181
 182                 KdPrint(("%s: %d*%d=%d bytes, order %d",
 183                         f->tag, f->count, f->size, f->count*f->size, order));
 184                 HPT_ASSERT(f->alignment<=PAGE_SIZE);
 185
 186                 for (i=0; i<f->count;) {
 187                         p = (void **)__get_free_pages(order);
 188                         if (!p) return -1;
 189                         for (j = size/f->size; j && i<f->count; i++,j--) {
 190                                 *p = f->head;
 191                                 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
 192                                 f->head = p;
 193                                 p = (void **)((unsigned long)p + f->size);
 194                         }
 195                 }
 196         }
 197
 198         HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
 199
 200         for (i=0; i<os_max_cache_pages; i++) {
 201                 p = (void **)__get_free_pages(0);
 202                 if (!p) return -1;
 203                 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
 204                 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
 205         }
 206
 207         return 0;
 208 }
 209
 210 static void hpt_free_mem(PVBUS_EXT vbus_ext)
 211 {
 212         struct freelist *f;
 213         void *p;
 214         int i;
 215         BUS_ADDRESS bus;
 216
 217         for (f=vbus_ext->freelist_head; f; f=f->next) {
 218 #if DBG
 219                 if (f->count!=f->reserved_count) {
 220                         KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 221                 }
 222 #endif
 223                 while ((p=freelist_get(f)))
 224                         free(p, M_DEVBUF);
 225         }
 226
 227         for (i=0; i<os_max_cache_pages; i++) {
 228                 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
 229                 HPT_ASSERT(p);
 230                 free_pages(p, 0);
 231         }
 232
 233         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 234                 int order, size;
 235 #if DBG
 236                 if (f->count!=f->reserved_count) {
 237                         KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 238                 }
 239 #endif
 240                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 241
 242                 while ((p=freelist_get_dma(f, &bus))) {
 243                         if (order)
 244                                 free_pages(p, order);
 245                         else {
 246                         /* can't free immediately since other blocks in this page may still be in the list */
 247                                 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
 248                                         dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
 249                         }
 250                 }
 251         }
 252
 253         while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
 254                 free_pages(p, 0);
 255 }
 256
 257 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
 258 {
 259         PHBA hba;
 260
 261         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 262                 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
 263                         KdPrint(("fail to initialize %p", hba));
 264                         return -1;
 265                 }
 266
 267         ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
 268         return 0;
 269 }
 270
 271 static void hpt_flush_done(PCOMMAND pCmd)
 272 {
 273         PVDEV vd = pCmd->target;
 274
 275         if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
 276                 vd = vd->u.array.transform->target;
 277                 HPT_ASSERT(vd);
 278                 pCmd->target = vd;
 279                 pCmd->Result = RETURN_PENDING;
 280                 vdev_queue_cmd(pCmd);
 281                 return;
 282         }
 283
 284         *(int *)pCmd->priv = 1;
 285         wakeup(pCmd);
 286 }
 287
 288 /*
 289  * flush a vdev (without retry).
 290  */
 291 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 292 {
 293         PCOMMAND pCmd;
 294         int result = 0, done;
 295         HPT_UINT count;
 296
 297         KdPrint(("flusing dev %p", vd));
 298
 299         hpt_lock_vbus(vbus_ext);
 300
 301         if (mIsArray(vd->type) && vd->u.array.transform)
 302                 count = max(vd->u.array.transform->source->cmds_per_request,
 303                                         vd->u.array.transform->target->cmds_per_request);
 304         else
 305                 count = vd->cmds_per_request;
 306
 307         pCmd = ldm_alloc_cmds(vd->vbus, count);
 308
 309         if (!pCmd) {
 310                 hpt_unlock_vbus(vbus_ext);
 311                 return -1;
 312         }
 313
 314         pCmd->type = CMD_TYPE_FLUSH;
 315         pCmd->flags.hard_flush = 1;
 316         pCmd->target = vd;
 317         pCmd->done = hpt_flush_done;
 318         done = 0;
 319         pCmd->priv = &done;
 320
 321         ldm_queue_cmd(pCmd);
 322
 323         if (!done) {
 324                 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
 325                         ldm_reset_vbus(vd->vbus);
 326                 }
 327         }
 328
 329         KdPrint(("flush result %d", pCmd->Result));
 330
 331         if (pCmd->Result!=RETURN_SUCCESS)
 332                 result = -1;
 333
 334         ldm_free_cmds(pCmd);
 335
 336         hpt_unlock_vbus(vbus_ext);
 337
 338         return result;
 339 }
 340
 341 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
 342 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
 343 {
 344         PVBUS     vbus = (PVBUS)vbus_ext->vbus;
 345         PHBA hba;
 346         int i;
 347
 348         KdPrint(("hpt_shutdown_vbus"));
 349
 350         /* stop all ctl tasks and disable the worker taskqueue */
 351         hpt_stop_tasks(vbus_ext);
 352         vbus_ext->worker.ta_context = 0;
 353
 354         /* flush devices */
 355         for (i=0; i<osm_max_targets; i++) {
 356                 PVDEV vd = ldm_find_target(vbus, i);
 357                 if (vd) {
 358                         /* retry once */
 359                         if (hpt_flush_vdev(vbus_ext, vd))
 360                                 hpt_flush_vdev(vbus_ext, vd);
 361                 }
 362         }
 363
 364         hpt_lock_vbus(vbus_ext);
 365         ldm_shutdown(vbus);
 366         hpt_unlock_vbus(vbus_ext);
 367
 368         ldm_release_vbus(vbus);
 369
 370         for (hba=vbus_ext->hba_list; hba; hba=hba->next)
 371                 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
 372
 373         hpt_free_mem(vbus_ext);
 374
 375         while ((hba=vbus_ext->hba_list)) {
 376                 vbus_ext->hba_list = hba->next;
 377                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 378         }
 379 #if (__FreeBSD_version >= 1000510)
 380         callout_drain(&vbus_ext->timer);
 381         mtx_destroy(&vbus_ext->lock);
 382 #endif
 383         free(vbus_ext, M_DEVBUF);
 384         KdPrint(("hpt_shutdown_vbus done"));
 385 }
 386
 387 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
 388 {
 389         OSM_TASK *tasks;
 390
 391         tasks = vbus_ext->tasks;
 392         vbus_ext->tasks = 0;
 393
 394         while (tasks) {
 395                 OSM_TASK *t = tasks;
 396                 tasks = t->next;
 397                 t->next = 0;
 398                 t->func(vbus_ext->vbus, t->data);
 399         }
 400 }
 401
 402 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
 403 {
 404         if(vbus_ext){
 405                 hpt_lock_vbus(vbus_ext);
 406                 __hpt_do_tasks(vbus_ext);
 407                 hpt_unlock_vbus(vbus_ext);
 408         }
 409 }
 410
 411 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
 412 static void hpt_poll(struct cam_sim *sim);
 413 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
 414 static void hpt_pci_intr(void *arg);
 415
 416 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
 417 {
 418         POS_CMDEXT p = vbus_ext->cmdext_list;
 419         if (p)
 420                 vbus_ext->cmdext_list = p->next;
 421         return p;
 422 }
 423
 424 static __inline void cmdext_put(POS_CMDEXT p)
 425 {
 426         p->next = p->vbus_ext->cmdext_list;
 427         p->vbus_ext->cmdext_list = p;
 428 }
 429
 430 static void hpt_timeout(void *arg)
 431 {
 432         PCOMMAND pCmd = (PCOMMAND)arg;
 433         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 434
 435         KdPrint(("pCmd %p timeout", pCmd));
 436
 437         ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
 438 }
 439
 440 static void os_cmddone(PCOMMAND pCmd)
 441 {
 442         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 443         union ccb *ccb = ext->ccb;
 444
 445         KdPrint(("<8>os_cmddone(%p, %d)", pCmd, pCmd->Result));
 446 #if (__FreeBSD_version >= 1000510)
 447         callout_stop(&ext->timeout);
 448 #else
 449         untimeout(hpt_timeout, pCmd, ccb->ccb_h.timeout_ch);
 450 #endif
 451         switch(pCmd->Result) {
 452         case RETURN_SUCCESS:
 453                 ccb->ccb_h.status = CAM_REQ_CMP;
 454                 break;
 455         case RETURN_BAD_DEVICE:
 456                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 457                 break;
 458         case RETURN_DEVICE_BUSY:
 459                 ccb->ccb_h.status = CAM_BUSY;
 460                 break;
 461         case RETURN_INVALID_REQUEST:
 462                 ccb->ccb_h.status = CAM_REQ_INVALID;
 463                 break;
 464         case RETURN_SELECTION_TIMEOUT:
 465                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 466                 break;
 467         case RETURN_RETRY:
 468                 ccb->ccb_h.status = CAM_BUSY;
 469                 break;
 470         default:
 471                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 472                 break;
 473         }
 474
 475         if (pCmd->flags.data_in) {
 476                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
 477         }
 478         else if (pCmd->flags.data_out) {
 479                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
 480         }
 481
 482         bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
 483
 484         cmdext_put(ext);
 485         ldm_free_cmds(pCmd);
 486         xpt_done(ccb);
 487 }
 488
 489 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
 490 {
 491         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 492         union ccb *ccb = ext->ccb;
 493 #if (__FreeBSD_version >= 1000510)
 494         if(logical)     {
 495                 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
 496                 pSg->size = ccb->csio.dxfer_len;
 497                 pSg->eot = 1;
 498                 return TRUE;
 499         }
 500 #else
 501         bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
 502         int idx;
 503
 504         if(logical)     {
 505                 if (ccb->ccb_h.flags & CAM_DATA_PHYS)
 506                         panic("physical address unsupported");
 507
 508                 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
 509                         if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
 510                                 panic("physical address unsupported");
 511
 512                         for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
 513                                 os_set_sgptr(&pSg[idx], (HPT_U8 *)(HPT_UPTR)sgList[idx].ds_addr);
 514                                 pSg[idx].size = sgList[idx].ds_len;
 515                                 pSg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
 516                         }
 517                 }
 518                 else {
 519                         os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
 520                         pSg->size = ccb->csio.dxfer_len;
 521                         pSg->eot = 1;
 522                 }
 523                 return TRUE;
 524         }
 525 #endif
 526         /* since we have provided physical sg, nobody will ask us to build physical sg */
 527         HPT_ASSERT(0);
 528         return FALSE;
 529 }
 530
 531 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 532 {
 533         PCOMMAND pCmd = (PCOMMAND)arg;
 534         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 535         PSG psg = pCmd->psg;
 536         int idx;
 537
 538         HPT_ASSERT(pCmd->flags.physical_sg);
 539
 540         if (error)
 541                 panic("busdma error");
 542
 543         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 544
 545         if (nsegs != 0) {
 546                 for (idx = 0; idx < nsegs; idx++, psg++) {
 547                         psg->addr.bus = segs[idx].ds_addr;
 548                         psg->size = segs[idx].ds_len;
 549                         psg->eot = 0;
 550                 }
 551                 psg[-1].eot = 1;
 552
 553                 if (pCmd->flags.data_in) {
 554                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 555                             BUS_DMASYNC_PREREAD);
 556                 }
 557                 else if (pCmd->flags.data_out) {
 558                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 559                             BUS_DMASYNC_PREWRITE);
 560                 }
 561         }
 562 #if (__FreeBSD_version >= 1000510)
 563         callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
 564 #else
 565         ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 566 #endif
 567         ldm_queue_cmd(pCmd);
 568 }
 569
 570 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 571 {
 572         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 573         PVDEV vd;
 574         PCOMMAND pCmd;
 575         POS_CMDEXT ext;
 576         HPT_U8 *cdb;
 577
 578         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 579                 cdb = ccb->csio.cdb_io.cdb_ptr;
 580         else
 581                 cdb = ccb->csio.cdb_io.cdb_bytes;
 582
 583         KdPrint(("<8>hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 584                 ccb,
 585                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 586                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 587         ));
 588
 589         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 590         if (ccb->ccb_h.target_lun != 0 ||
 591                 ccb->ccb_h.target_id >= osm_max_targets ||
 592                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 593         {
 594                 ccb->ccb_h.status = CAM_TID_INVALID;
 595                 xpt_done(ccb);
 596                 return;
 597         }
 598
 599         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 600
 601         if (!vd) {
 602                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 603                 xpt_done(ccb);
 604                 return;
 605         }
 606
 607         switch (cdb[0]) {
 608         case TEST_UNIT_READY:
 609         case START_STOP_UNIT:
 610         case SYNCHRONIZE_CACHE:
 611                 ccb->ccb_h.status = CAM_REQ_CMP;
 612                 break;
 613
 614         case INQUIRY:
 615                 {
 616                         PINQUIRYDATA inquiryData;
 617                         memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 618                         inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 619
 620                         inquiryData->AdditionalLength = 31;
 621                         inquiryData->CommandQueue = 1;
 622                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 623                         memcpy(&inquiryData->ProductId, "DISK 0_0        ", 16);
 624
 625                         if (vd->target_id / 10) {
 626                                 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
 627                                 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
 628                         }
 629                         else
 630                                 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
 631
 632                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 633
 634                         ccb->ccb_h.status = CAM_REQ_CMP;
 635                 }
 636                 break;
 637
 638         case READ_CAPACITY:
 639         {
 640                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 641                 HPT_U32 cap;
 642                 HPT_U8 sector_size_shift = 0;
 643                 HPT_U64 new_cap;
 644                 HPT_U32 sector_size = 0;
 645
 646                 if (mIsArray(vd->type))
 647                         sector_size_shift = vd->u.array.sector_size_shift;
 648                 else{
 649                         if(vd->type == VD_RAW){
 650                                 sector_size = vd->u.raw.logical_sector_size;
 651                         }
 652
 653                         switch (sector_size) {
 654                                 case 0x1000:
 655                                         KdPrint(("set 4k setctor size in READ_CAPACITY"));
 656                                         sector_size_shift = 3;
 657                                         break;
 658                                 default:
 659                                         break;
 660                         }
 661                 }
 662                 new_cap = vd->capacity >> sector_size_shift;
 663
 664                 if (new_cap > 0xfffffffful)
 665                         cap = 0xffffffff;
 666                 else
 667                         cap = new_cap - 1;
 668
 669                 rbuf[0] = (HPT_U8)(cap>>24);
 670                 rbuf[1] = (HPT_U8)(cap>>16);
 671                 rbuf[2] = (HPT_U8)(cap>>8);
 672                 rbuf[3] = (HPT_U8)cap;
 673                 rbuf[4] = 0;
 674                 rbuf[5] = 0;
 675                 rbuf[6] = 2 << sector_size_shift;
 676                 rbuf[7] = 0;
 677
 678                 ccb->ccb_h.status = CAM_REQ_CMP;
 679                 break;
 680         }
 681         case REPORT_LUNS:
 682         {
 683                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 684                 memset(rbuf, 0, 16);
 685                 rbuf[3] = 8;
 686                 ccb->ccb_h.status = CAM_REQ_CMP;
 687                 break;
 688         }
 689         case SERVICE_ACTION_IN:
 690         {
 691                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 692                 HPT_U64 cap = 0;
 693                 HPT_U8 sector_size_shift = 0;
 694                 HPT_U32 sector_size = 0;
 695
 696                 if(mIsArray(vd->type))
 697                         sector_size_shift = vd->u.array.sector_size_shift;
 698                 else{
 699                         if(vd->type == VD_RAW){
 700                                 sector_size = vd->u.raw.logical_sector_size;
 701                         }
 702
 703                         switch (sector_size) {
 704                                 case 0x1000:
 705                                         KdPrint(("set 4k setctor size in SERVICE_ACTION_IN"));
 706                                         sector_size_shift = 3;
 707                                         break;
 708                                 default:
 709                                         break;
 710                         }
 711                 }
 712                 cap = (vd->capacity >> sector_size_shift) - 1;
 713
 714                 rbuf[0] = (HPT_U8)(cap>>56);
 715                 rbuf[1] = (HPT_U8)(cap>>48);
 716                 rbuf[2] = (HPT_U8)(cap>>40);
 717                 rbuf[3] = (HPT_U8)(cap>>32);
 718                 rbuf[4] = (HPT_U8)(cap>>24);
 719                 rbuf[5] = (HPT_U8)(cap>>16);
 720                 rbuf[6] = (HPT_U8)(cap>>8);
 721                 rbuf[7] = (HPT_U8)cap;
 722                 rbuf[8] = 0;
 723                 rbuf[9] = 0;
 724                 rbuf[10] = 2 << sector_size_shift;
 725                 rbuf[11] = 0;
 726
 727                 ccb->ccb_h.status = CAM_REQ_CMP;
 728                 break;
 729         }
 730
 731         case READ_6:
 732         case READ_10:
 733         case READ_16:
 734         case WRITE_6:
 735         case WRITE_10:
 736         case WRITE_16:
 737         case 0x13:
 738         case 0x2f:
 739         case 0x8f: /* VERIFY_16 */
 740         {
 741                 HPT_U8 sector_size_shift = 0;
 742                 HPT_U32 sector_size = 0;
 743                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 744                 if(!pCmd){
 745                         KdPrint(("Failed to allocate command!"));
 746                         ccb->ccb_h.status = CAM_BUSY;
 747                         break;
 748                 }
 749
 750                 switch (cdb[0]) {
 751                 case READ_6:
 752                 case WRITE_6:
 753                 case 0x13:
 754                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
 755                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
 756                         break;
 757                 case READ_16:
 758                 case WRITE_16:
 759                 case 0x8f: /* VERIFY_16 */
 760                 {
 761                         HPT_U64 block =
 762                                 ((HPT_U64)cdb[2]<<56) |
 763                                 ((HPT_U64)cdb[3]<<48) |
 764                                 ((HPT_U64)cdb[4]<<40) |
 765                                 ((HPT_U64)cdb[5]<<32) |
 766                                 ((HPT_U64)cdb[6]<<24) |
 767                                 ((HPT_U64)cdb[7]<<16) |
 768                                 ((HPT_U64)cdb[8]<<8) |
 769                                 ((HPT_U64)cdb[9]);
 770                         pCmd->uCmd.Ide.Lba = block;
 771                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
 772                         break;
 773                 }
 774
 775                 default:
 776                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
 777                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
 778                         break;
 779                 }
 780
 781                 if(mIsArray(vd->type)) {
 782                         sector_size_shift = vd->u.array.sector_size_shift;
 783                 }
 784                 else{
 785                         if(vd->type == VD_RAW){
 786                                 sector_size = vd->u.raw.logical_sector_size;
 787                         }
 788
 789                         switch (sector_size) {
 790                                 case 0x1000:
 791                                         KdPrint(("<8>resize sector size from 4k to 512"));
 792                                         sector_size_shift = 3;
 793                                         break;
 794                                 default:
 795                                         break;
 796                         }
 797                 }
 798                 pCmd->uCmd.Ide.Lba <<= sector_size_shift;
 799                 pCmd->uCmd.Ide.nSectors <<= sector_size_shift;
 800
 801
 802                 switch (cdb[0]) {
 803                 case READ_6:
 804                 case READ_10:
 805                 case READ_16:
 806                         pCmd->flags.data_in = 1;
 807                         break;
 808                 case WRITE_6:
 809                 case WRITE_10:
 810                 case WRITE_16:
 811                         pCmd->flags.data_out = 1;
 812                         break;
 813                 }
 814                 pCmd->priv = ext = cmdext_get(vbus_ext);
 815                 HPT_ASSERT(ext);
 816                 ext->ccb = ccb;
 817                 pCmd->target = vd;
 818                 pCmd->done = os_cmddone;
 819                 pCmd->buildsgl = os_buildsgl;
 820
 821                 pCmd->psg = ext->psg;
 822 #if (__FreeBSD_version < 1000510)
 823                 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
 824                         int idx;
 825                         bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
 826
 827                         if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
 828                                 pCmd->flags.physical_sg = 1;
 829
 830                         for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
 831                                 pCmd->psg[idx].addr.bus = sgList[idx].ds_addr;
 832                                 pCmd->psg[idx].size = sgList[idx].ds_len;
 833                                 pCmd->psg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
 834                         }
 835
 836                         ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 837                         ldm_queue_cmd(pCmd);
 838                 }
 839                 else
 840 #endif
 841                 {
 842                         int error;
 843                         pCmd->flags.physical_sg = 1;
 844 #if (__FreeBSD_version >= 1000510)
 845                         error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
 846                                                 ext->dma_map, ccb,
 847                                                 hpt_io_dmamap_callback, pCmd,
 848                                                 BUS_DMA_WAITOK
 849                                         );
 850 #else
 851                         error = bus_dmamap_load(vbus_ext->io_dmat,
 852                                                 ext->dma_map,
 853                                                 ccb->csio.data_ptr, ccb->csio.dxfer_len,
 854                                                 hpt_io_dmamap_callback, pCmd,
 855                                         BUS_DMA_WAITOK
 856                                         );
 857 #endif
 858                         KdPrint(("<8>bus_dmamap_load return %d", error));
 859                         if (error && error!=EINPROGRESS) {
 860                                 os_printk("bus_dmamap_load error %d", error);
 861                                 cmdext_put(ext);
 862                                 ldm_free_cmds(pCmd);
 863                                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 864                                 xpt_done(ccb);
 865                         }
 866                 }
 867                 return;
 868         }
 869
 870         default:
 871                 ccb->ccb_h.status = CAM_REQ_INVALID;
 872                 break;
 873         }
 874
 875         xpt_done(ccb);
 876         return;
 877 }
 878
 879 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
 880 {
 881         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 882
 883         KdPrint(("<8>hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
 884
 885 #if (__FreeBSD_version >= 1000510)
 886         hpt_assert_vbus_locked(vbus_ext);
 887 #endif
 888         switch (ccb->ccb_h.func_code) {
 889
 890 #if (__FreeBSD_version < 1000510)
 891         case XPT_SCSI_IO:
 892                 hpt_lock_vbus(vbus_ext);
 893                 hpt_scsi_io(vbus_ext, ccb);
 894                 hpt_unlock_vbus(vbus_ext);
 895                 return;
 896
 897         case XPT_RESET_BUS:
 898                 hpt_lock_vbus(vbus_ext);
 899                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 900                 hpt_unlock_vbus(vbus_ext);
 901                 break;
 902 #else
 903         case XPT_SCSI_IO:
 904                 hpt_scsi_io(vbus_ext, ccb);
 905                 return;
 906
 907         case XPT_RESET_BUS:
 908                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 909                 break;
 910 #endif
 911         case XPT_GET_TRAN_SETTINGS:
 912         case XPT_SET_TRAN_SETTINGS:
 913                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 914                 break;
 915
 916         case XPT_CALC_GEOMETRY:
 917                 ccb->ccg.heads = 255;
 918                 ccb->ccg.secs_per_track = 63;
 919                 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
 920                 ccb->ccb_h.status = CAM_REQ_CMP;
 921                 break;
 922
 923         case XPT_PATH_INQ:
 924         {
 925                 struct ccb_pathinq *cpi = &ccb->cpi;
 926
 927                 cpi->version_num = 1;
 928                 cpi->hba_inquiry = PI_SDTR_ABLE;
 929                 cpi->target_sprt = 0;
 930                 cpi->hba_misc = PIM_NOBUSRESET;
 931                 cpi->hba_eng_cnt = 0;
 932                 cpi->max_target = osm_max_targets;
 933                 cpi->max_lun = 0;
 934                 cpi->unit_number = cam_sim_unit(sim);
 935                 cpi->bus_id = cam_sim_bus(sim);
 936                 cpi->initiator_id = osm_max_targets;
 937                 cpi->base_transfer_speed = 3300;
 938
 939                 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 940                 strlcpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
 941                 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 942                 cpi->transport = XPORT_SPI;
 943                 cpi->transport_version = 2;
 944                 cpi->protocol = PROTO_SCSI;
 945                 cpi->protocol_version = SCSI_REV_2;
 946                 cpi->ccb_h.status = CAM_REQ_CMP;
 947                 break;
 948         }
 949
 950         default:
 951                 ccb->ccb_h.status = CAM_REQ_INVALID;
 952                 break;
 953         }
 954
 955         xpt_done(ccb);
 956         return;
 957 }
 958
 959 static void hpt_pci_intr(void *arg)
 960 {
 961         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
 962         hpt_lock_vbus(vbus_ext);
 963         ldm_intr((PVBUS)vbus_ext->vbus);
 964         hpt_unlock_vbus(vbus_ext);
 965 }
 966
 967 static void hpt_poll(struct cam_sim *sim)
 968 {
 969 #if (__FreeBSD_version < 1000510)
 970         hpt_pci_intr(cam_sim_softc(sim));
 971 #else
 972         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 973
 974         hpt_assert_vbus_locked(vbus_ext);
 975         ldm_intr((PVBUS)vbus_ext->vbus);
 976 #endif
 977 }
 978
 979 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
 980 {
 981         KdPrint(("<8>hpt_async"));
 982 }
 983
 984 static int hpt_shutdown(device_t dev)
 985 {
 986         KdPrint(("hpt_shutdown(dev=%p)", dev));
 987         return 0;
 988 }
 989
 990 static int hpt_detach(device_t dev)
 991 {
 992         /* we don't allow the driver to be unloaded. */
 993         return EBUSY;
 994 }
 995
 996 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
 997 {
 998         arg->ioctl_cmnd = 0;
 999         wakeup(arg);
1000 }
1001
1002 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
1003 {
1004         ioctl_args->result = -1;
1005         ioctl_args->done = hpt_ioctl_done;
1006         ioctl_args->ioctl_cmnd = (void *)1;
1007
1008         hpt_lock_vbus(vbus_ext);
1009         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
1010
1011         while (ioctl_args->ioctl_cmnd) {
1012                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
1013                         break;
1014                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
1015                 __hpt_do_tasks(vbus_ext);
1016         }
1017
1018         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
1019
1020         hpt_unlock_vbus(vbus_ext);
1021 }
1022
1023 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
1024 {
1025         PVBUS vbus;
1026         PVBUS_EXT vbus_ext;
1027
1028         ldm_for_each_vbus(vbus, vbus_ext) {
1029                 __hpt_do_ioctl(vbus_ext, ioctl_args);
1030                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
1031                         return;
1032         }
1033 }
1034
1035 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
1036         IOCTL_ARG arg;\
1037         arg.dwIoControlCode = code;\
1038         arg.lpInBuffer = inbuf;\
1039         arg.lpOutBuffer = outbuf;\
1040         arg.nInBufferSize = insize;\
1041         arg.nOutBufferSize = outsize;\
1042         arg.lpBytesReturned = 0;\
1043         hpt_do_ioctl(&arg);\
1044         arg.result;\
1045 })
1046
1047 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
1048
1049 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
1050 {
1051         int i;
1052         HPT_U32 count = nMaxCount-1;
1053
1054         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
1055                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
1056                 return -1;
1057
1058         nMaxCount = (int)pIds[0];
1059         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
1060         return nMaxCount;
1061 }
1062
1063 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
1064 {
1065         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
1066                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
1067 }
1068
1069 /* not belong to this file logically, but we want to use ioctl interface */
1070 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
1071 {
1072         LOGICAL_DEVICE_INFO_V3 devinfo;
1073         int i, result;
1074         DEVICEID param[2] = { id, 0 };
1075
1076         if (hpt_get_device_info_v3(id, &devinfo))
1077                 return -1;
1078
1079         if (devinfo.Type!=LDT_ARRAY)
1080                 return -1;
1081
1082         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
1083                 param[1] = AS_REBUILD_ABORT;
1084         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
1085                 param[1] = AS_VERIFY_ABORT;
1086         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
1087                 param[1] = AS_INITIALIZE_ABORT;
1088         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
1089                 param[1] = AS_TRANSFORM_ABORT;
1090         else
1091                 return -1;
1092
1093         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
1094         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
1095                                 param, sizeof(param), 0, 0);
1096
1097         for (i=0; i<devinfo.u.array.nDisk; i++)
1098                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
1099                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
1100
1101         return result;
1102 }
1103
1104 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
1105 {
1106         DEVICEID ids[32];
1107         int i, count;
1108
1109         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
1110
1111         for (i=0; i<count; i++)
1112                 __hpt_stop_tasks(vbus_ext, ids[i]);
1113 }
1114
1115 static  d_open_t        hpt_open;
1116 static  d_close_t       hpt_close;
1117 static  d_ioctl_t       hpt_ioctl;
1118 static  int             hpt_rescan_bus(void);
1119
1120 static struct cdevsw hpt_cdevsw = {
1121         .d_open =       hpt_open,
1122         .d_close =      hpt_close,
1123         .d_ioctl =      hpt_ioctl,
1124         .d_name =       driver_name,
1125         .d_version =    D_VERSION,
1126 };
1127
1128 static struct intr_config_hook hpt_ich;
1129
1130 /*
1131  * hpt_final_init will be called after all hpt_attach.
1132  */
1133 static void hpt_final_init(void *dummy)
1134 {
1135         int       i,unit_number=0;
1136         PVBUS_EXT vbus_ext;
1137         PVBUS vbus;
1138         PHBA hba;
1139
1140         /* Clear the config hook */
1141         config_intrhook_disestablish(&hpt_ich);
1142
1143         /* allocate memory */
1144         i = 0;
1145         ldm_for_each_vbus(vbus, vbus_ext) {
1146                 if (hpt_alloc_mem(vbus_ext)) {
1147                         os_printk("out of memory");
1148                         return;
1149                 }
1150                 i++;
1151         }
1152
1153         if (!i) {
1154                 if (bootverbose)
1155                         os_printk("no controller detected.");
1156                 return;
1157         }
1158
1159         /* initializing hardware */
1160         ldm_for_each_vbus(vbus, vbus_ext) {
1161                 /* make timer available here */
1162                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1163 #if (__FreeBSD_version < 1000510)
1164                 callout_handle_init(&vbus_ext->timer);
1165 #else
1166                 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0);
1167 #endif
1168                 if (hpt_init_vbus(vbus_ext)) {
1169                         os_printk("fail to initialize hardware");
1170                         break; /* FIXME */
1171                 }
1172         }
1173
1174         /* register CAM interface */
1175         ldm_for_each_vbus(vbus, vbus_ext) {
1176                 struct cam_devq *devq;
1177                 struct ccb_setasync     ccb;
1178
1179                 if (bus_dma_tag_create(NULL,/* parent */
1180                                 4,      /* alignment */
1181                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1182                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1183                                 BUS_SPACE_MAXADDR,      /* highaddr */
1184                                 NULL, NULL,             /* filter, filterarg */
1185                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1186                                 os_max_sg_descriptors,  /* nsegments */
1187                                 0x10000,        /* maxsegsize */
1188                                 BUS_DMA_WAITOK,         /* flags */
1189                                 busdma_lock_mutex,      /* lockfunc */
1190                                 &vbus_ext->lock,                /* lockfuncarg */
1191                                 &vbus_ext->io_dmat      /* tag */))
1192                 {
1193                         return ;
1194                 }
1195
1196                 for (i=0; i<os_max_queue_comm; i++) {
1197                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1198                         if (!ext) {
1199                                 os_printk("Can't alloc cmdext(%d)", i);
1200                                 return ;
1201                         }
1202                         ext->vbus_ext = vbus_ext;
1203                         ext->next = vbus_ext->cmdext_list;
1204                         vbus_ext->cmdext_list = ext;
1205
1206                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1207                                 os_printk("Can't create dma map(%d)", i);
1208                                 return ;
1209                         }
1210 #if (__FreeBSD_version >= 1000510)
1211                         callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0);
1212 #endif
1213                 }
1214
1215                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1216                         os_printk("cam_simq_alloc failed");
1217                         return ;
1218                 }
1219 #if (__FreeBSD_version >= 1000510)
1220                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1221                                 vbus_ext, unit_number, &vbus_ext->lock, os_max_queue_comm, /*tagged*/8,  devq);
1222
1223 #else
1224                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1225                                 vbus_ext, unit_number, &Giant, os_max_queue_comm, /*tagged*/8,  devq);
1226 #endif
1227                 unit_number++;
1228                 if (!vbus_ext->sim) {
1229                         os_printk("cam_sim_alloc failed");
1230                         cam_simq_free(devq);
1231                         return ;
1232                 }
1233
1234                 hpt_lock_vbus(vbus_ext);
1235                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1236                         hpt_unlock_vbus(vbus_ext);
1237                         os_printk("xpt_bus_register failed");
1238                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1239                         vbus_ext->sim = NULL;
1240                         return ;
1241                 }
1242
1243                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1244                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1245                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1246                 {
1247                         hpt_unlock_vbus(vbus_ext);
1248                         os_printk("xpt_create_path failed");
1249                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1250                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1251                         vbus_ext->sim = NULL;
1252                         return ;
1253                 }
1254
1255                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1256                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1257                 ccb.event_enable = AC_LOST_DEVICE;
1258                 ccb.callback = hpt_async;
1259                 ccb.callback_arg = vbus_ext;
1260                 xpt_action((union ccb *)&ccb);
1261                 hpt_unlock_vbus(vbus_ext);
1262
1263                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1264                         int rid = 0;
1265                         if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev,
1266                                 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1267                         {
1268                                 os_printk("can't allocate interrupt");
1269                                 return ;
1270                         }
1271 #if (__FreeBSD_version >= 1000510)
1272                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE,
1273 #else
1274                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM,
1275 #endif
1276                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1277                         {
1278                                 os_printk("can't set up interrupt");
1279                                 return ;
1280                         }
1281                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1282
1283                 }
1284
1285                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1286                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1287                 if (!vbus_ext->shutdown_eh)
1288                         os_printk("Shutdown event registration failed");
1289         }
1290
1291         ldm_for_each_vbus(vbus, vbus_ext) {
1292                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1293                 if (vbus_ext->tasks)
1294                         TASK_ENQUEUE(&vbus_ext->worker);
1295         }
1296
1297         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1298             S_IRUSR | S_IWUSR, "%s", driver_name);
1299 }
1300
1301 #if defined(KLD_MODULE)
1302
1303 typedef struct driverlink *driverlink_t;
1304 struct driverlink {
1305         kobj_class_t    driver;
1306         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1307 };
1308
1309 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1310
1311 struct devclass {
1312         TAILQ_ENTRY(devclass) link;
1313         devclass_t      parent;         /* parent in devclass hierarchy */
1314         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1315         char            *name;
1316         device_t        *devices;       /* array of devices indexed by unit */
1317         int             maxunit;        /* size of devices array */
1318 };
1319
1320 static void override_kernel_driver(void)
1321 {
1322         driverlink_t dl, dlfirst;
1323         driver_t *tmpdriver;
1324         devclass_t dc = devclass_find("pci");
1325
1326         if (dc){
1327                 dlfirst = TAILQ_FIRST(&dc->drivers);
1328                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1329                         if(strcmp(dl->driver->name, driver_name) == 0) {
1330                                 tmpdriver=dl->driver;
1331                                 dl->driver=dlfirst->driver;
1332                                 dlfirst->driver=tmpdriver;
1333                                 break;
1334                         }
1335                 }
1336         }
1337 }
1338
1339 #else
1340 #define override_kernel_driver()
1341 #endif
1342
1343 static void hpt_init(void *dummy)
1344 {
1345         if (bootverbose)
1346                 os_printk("%s %s", driver_name_long, driver_ver);
1347
1348         override_kernel_driver();
1349         init_config();
1350
1351         hpt_ich.ich_func = hpt_final_init;
1352         hpt_ich.ich_arg = NULL;
1353         if (config_intrhook_establish(&hpt_ich) != 0) {
1354                 printf("%s: cannot establish configuration hook\n",
1355                     driver_name_long);
1356         }
1357
1358 }
1359 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1360
1361 /*
1362  * CAM driver interface
1363  */
1364 static device_method_t driver_methods[] = {
1365         /* Device interface */
1366         DEVMETHOD(device_probe,         hpt_probe),
1367         DEVMETHOD(device_attach,        hpt_attach),
1368         DEVMETHOD(device_detach,        hpt_detach),
1369         DEVMETHOD(device_shutdown,      hpt_shutdown),
1370         { 0, 0 }
1371 };
1372
1373 static driver_t hpt_pci_driver = {
1374         driver_name,
1375         driver_methods,
1376         sizeof(HBA)
1377 };
1378
1379 static devclass_t       hpt_devclass;
1380
1381 #ifndef TARGETNAME
1382 #error "no TARGETNAME found"
1383 #endif
1384
1385 /* use this to make TARGETNAME be expanded */
1386 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1387 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1388 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1389 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1390 __MODULE_VERSION(TARGETNAME, 1);
1391 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1392
1393 static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td)
1394 {
1395         return 0;
1396 }
1397
1398 static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td)
1399 {
1400         return 0;
1401 }
1402
1403 static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
1404 {
1405         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1406         IOCTL_ARG ioctl_args;
1407         HPT_U32 bytesReturned = 0;
1408
1409         switch (cmd){
1410         case HPT_DO_IOCONTROL:
1411         {
1412                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1413                         KdPrint(("<8>ioctl=%x in=%p len=%d out=%p len=%d\n",
1414                                 piop->dwIoControlCode,
1415                                 piop->lpInBuffer,
1416                                 piop->nInBufferSize,
1417                                 piop->lpOutBuffer,
1418                                 piop->nOutBufferSize));
1419
1420                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1421
1422                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1423                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1424                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1425                 ioctl_args.lpBytesReturned = &bytesReturned;
1426
1427                 if (ioctl_args.nInBufferSize) {
1428                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1429                         if (!ioctl_args.lpInBuffer)
1430                                 goto invalid;
1431                         if (copyin((void*)piop->lpInBuffer,
1432                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1433                                 goto invalid;
1434                 }
1435
1436                 if (ioctl_args.nOutBufferSize) {
1437                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK | M_ZERO);
1438                         if (!ioctl_args.lpOutBuffer)
1439                                 goto invalid;
1440                 }
1441
1442 #if __FreeBSD_version < 1000510
1443                 mtx_lock(&Giant);
1444 #endif
1445
1446                 hpt_do_ioctl(&ioctl_args);
1447
1448 #if __FreeBSD_version < 1000510
1449                 mtx_unlock(&Giant);
1450 #endif
1451
1452                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1453                         if (piop->nOutBufferSize) {
1454                                 if (copyout(ioctl_args.lpOutBuffer,
1455                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1456                                         goto invalid;
1457                         }
1458                         if (piop->lpBytesReturned) {
1459                                 if (copyout(&bytesReturned,
1460                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1461                                         goto invalid;
1462                         }
1463                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1464                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1465                         return 0;
1466                 }
1467 invalid:
1468                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1469                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1470                 return EFAULT;
1471         }
1472         return EFAULT;
1473         }
1474
1475         case HPT_SCAN_BUS:
1476         {
1477                 return hpt_rescan_bus();
1478         }
1479         default:
1480                 KdPrint(("invalid command!"));
1481                 return EFAULT;
1482         }
1483
1484 }
1485
1486 static int      hpt_rescan_bus(void)
1487 {
1488         union ccb                       *ccb;
1489         PVBUS                           vbus;
1490         PVBUS_EXT                       vbus_ext;
1491 #if (__FreeBSD_version < 1000510)
1492         mtx_lock(&Giant);
1493 #endif
1494         ldm_for_each_vbus(vbus, vbus_ext) {
1495                 if ((ccb = xpt_alloc_ccb()) == NULL)
1496                 {
1497                         return(ENOMEM);
1498                 }
1499 #if (__FreeBSD_version < 1000510)
1500                 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(vbus_ext->sim),
1501 #else
1502                 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1503 #endif
1504                         CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1505                 {
1506                         xpt_free_ccb(ccb);
1507                         return(EIO);
1508                 }
1509                 xpt_rescan(ccb);
1510         }
1511 #if (__FreeBSD_version < 1000510)
1512         mtx_unlock(&Giant);
1513 #endif
1514         return(0);
1515 }
1516