sys/dev/hptrr/hptrr_osm_bsd.c

   1 /*
   2  * Copyright (c) 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
  27 #include <sys/cdefs.h>
  28 __FBSDID("$FreeBSD$");
  29
  30 #include <dev/hptrr/hptrr_config.h>
  31 /* $Id: osm_bsd.c,v 1.27 2007/11/22 07:35:49 gmm Exp $
  32  *
  33  * HighPoint RAID Driver for FreeBSD
  34  * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved.
  35  */
  36 #include <dev/hptrr/os_bsd.h>
  37 #include <dev/hptrr/hptintf.h>
  38
  39 static int attach_generic = 0;
  40 TUNABLE_INT("hw.hptrr.attach_generic", &attach_generic);
  41
  42 static int hpt_probe(device_t dev)
  43 {
  44         PCI_ID pci_id;
  45         HIM *him;
  46         int i;
  47         PHBA hba;
  48
  49         /* Some of supported chips are used not only by HPT. */
  50         if (pci_get_vendor(dev) != 0x1103 && !attach_generic)
  51                 return (ENXIO);
  52         for (him = him_list; him; him = him->next) {
  53                 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
  54                         if ((pci_get_vendor(dev) == pci_id.vid) &&
  55                                 (pci_get_device(dev) == pci_id.did)){
  56                                 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
  57                                         pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
  58                                 ));
  59                                 device_set_desc(dev, him->name);
  60                                 hba = (PHBA)device_get_softc(dev);
  61                                 memset(hba, 0, sizeof(HBA));
  62                                 hba->ext_type = EXT_TYPE_HBA;
  63                                 hba->ldm_adapter.him = him;
  64                                 return 0;
  65                         }
  66                 }
  67         }
  68
  69         return (ENXIO);
  70 }
  71
  72 static int hpt_attach(device_t dev)
  73 {
  74         PHBA hba = (PHBA)device_get_softc(dev);
  75         HIM *him = hba->ldm_adapter.him;
  76         PCI_ID pci_id;
  77         HPT_UINT size;
  78         PVBUS vbus;
  79         PVBUS_EXT vbus_ext;
  80
  81         KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
  82
  83 #if __FreeBSD_version >=440000
  84         pci_enable_busmaster(dev);
  85 #endif
  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
  91         size = him->get_adapter_size(&pci_id);
  92         hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
  93         if (!hba->ldm_adapter.him_handle)
  94                 return ENXIO;
  95
  96         hba->pcidev = dev;
  97         hba->pciaddr.tree = 0;
  98         hba->pciaddr.bus = pci_get_bus(dev);
  99         hba->pciaddr.device = pci_get_slot(dev);
 100         hba->pciaddr.function = pci_get_function(dev);
 101
 102         if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
 103                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 104                 return -1;
 105         }
 106
 107         os_printk("adapter at PCI %d:%d:%d, IRQ %d",
 108                 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
 109
 110         if (!ldm_register_adapter(&hba->ldm_adapter)) {
 111                 size = ldm_get_vbus_size();
 112                 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
 113                 if (!vbus_ext) {
 114                         free(hba->ldm_adapter.him_handle, M_DEVBUF);
 115                         return -1;
 116                 }
 117                 memset(vbus_ext, 0, sizeof(VBUS_EXT));
 118                 vbus_ext->ext_type = EXT_TYPE_VBUS;
 119                 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
 120                 ldm_register_adapter(&hba->ldm_adapter);
 121         }
 122
 123         ldm_for_each_vbus(vbus, vbus_ext) {
 124                 if (hba->ldm_adapter.vbus==vbus) {
 125                         hba->vbus_ext = vbus_ext;
 126                         hba->next = vbus_ext->hba_list;
 127                         vbus_ext->hba_list = hba;
 128                         break;
 129                 }
 130         }
 131         return 0;
 132 }
 133
 134 /*
 135  * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
 136  * but there are some problems currently (alignment, etc).
 137  */
 138 static __inline void *__get_free_pages(int order)
 139 {
 140         /* don't use low memory - other devices may get starved */
 141         return contigmalloc(PAGE_SIZE<<order,
 142                         M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
 143 }
 144
 145 static __inline void free_pages(void *p, int order)
 146 {
 147         contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
 148 }
 149
 150 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
 151 {
 152         PHBA hba;
 153         struct freelist *f;
 154         HPT_UINT i;
 155         void **p;
 156
 157         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 158                 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
 159
 160         ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
 161
 162         for (f=vbus_ext->freelist_head; f; f=f->next) {
 163                 KdPrint(("%s: %d*%d=%d bytes",
 164                         f->tag, f->count, f->size, f->count*f->size));
 165                 for (i=0; i<f->count; i++) {
 166                         p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
 167                         if (!p) return (ENXIO);
 168                         *p = f->head;
 169                         f->head = p;
 170                 }
 171         }
 172
 173         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 174                 int order, size, j;
 175
 176                 HPT_ASSERT((f->size & (f->alignment-1))==0);
 177
 178                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 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
 378         free(vbus_ext, M_DEVBUF);
 379         KdPrint(("hpt_shutdown_vbus done"));
 380 }
 381
 382 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
 383 {
 384         OSM_TASK *tasks;
 385
 386         tasks = vbus_ext->tasks;
 387         vbus_ext->tasks = 0;
 388
 389         while (tasks) {
 390                 OSM_TASK *t = tasks;
 391                 tasks = t->next;
 392                 t->next = 0;
 393                 t->func(vbus_ext->vbus, t->data);
 394         }
 395 }
 396
 397 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
 398 {
 399         if(vbus_ext){
 400                 hpt_lock_vbus(vbus_ext);
 401                 __hpt_do_tasks(vbus_ext);
 402                 hpt_unlock_vbus(vbus_ext);
 403         }
 404 }
 405
 406 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
 407 static void hpt_poll(struct cam_sim *sim);
 408 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
 409 static void hpt_pci_intr(void *arg);
 410
 411 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
 412 {
 413         POS_CMDEXT p = vbus_ext->cmdext_list;
 414         if (p)
 415                 vbus_ext->cmdext_list = p->next;
 416         return p;
 417 }
 418
 419 static __inline void cmdext_put(POS_CMDEXT p)
 420 {
 421         p->next = p->vbus_ext->cmdext_list;
 422         p->vbus_ext->cmdext_list = p;
 423 }
 424
 425 static void hpt_timeout(void *arg)
 426 {
 427         PCOMMAND pCmd = (PCOMMAND)arg;
 428         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 429
 430         KdPrint(("pCmd %p timeout", pCmd));
 431
 432         ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
 433 }
 434
 435 static void os_cmddone(PCOMMAND pCmd)
 436 {
 437         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 438         union ccb *ccb = ext->ccb;
 439
 440         KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
 441
 442         untimeout(hpt_timeout, pCmd, ccb->ccb_h.timeout_ch);
 443
 444         switch(pCmd->Result) {
 445         case RETURN_SUCCESS:
 446                 ccb->ccb_h.status = CAM_REQ_CMP;
 447                 break;
 448         case RETURN_BAD_DEVICE:
 449                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 450                 break;
 451         case RETURN_DEVICE_BUSY:
 452                 ccb->ccb_h.status = CAM_BUSY;
 453                 break;
 454         case RETURN_INVALID_REQUEST:
 455                 ccb->ccb_h.status = CAM_REQ_INVALID;
 456                 break;
 457         case RETURN_SELECTION_TIMEOUT:
 458                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 459                 break;
 460         case RETURN_RETRY:
 461                 ccb->ccb_h.status = CAM_BUSY;
 462                 break;
 463         default:
 464                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 465                 break;
 466         }
 467
 468         if (pCmd->flags.data_in) {
 469                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
 470         }
 471         else if (pCmd->flags.data_out) {
 472                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
 473         }
 474
 475         bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
 476
 477         cmdext_put(ext);
 478         ldm_free_cmds(pCmd);
 479         xpt_done(ccb);
 480 }
 481
 482 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
 483 {
 484         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 485         union ccb *ccb = ext->ccb;
 486         bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
 487         int idx;
 488
 489         if(logical)     {
 490                 if (ccb->ccb_h.flags & CAM_DATA_PHYS)
 491                         panic("physical address unsupported");
 492
 493                 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
 494                         if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
 495                                 panic("physical address unsupported");
 496
 497                         for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
 498                                 os_set_sgptr(&pSg[idx], (HPT_U8 *)(HPT_UPTR)sgList[idx].ds_addr);
 499                                 pSg[idx].size = sgList[idx].ds_len;
 500                                 pSg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
 501                         }
 502                 }
 503                 else {
 504                         os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
 505                         pSg->size = ccb->csio.dxfer_len;
 506                         pSg->eot = 1;
 507                 }
 508                 return TRUE;
 509         }
 510
 511         /* since we have provided physical sg, nobody will ask us to build physical sg */
 512         HPT_ASSERT(0);
 513         return FALSE;
 514 }
 515
 516 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 517 {
 518         PCOMMAND pCmd = (PCOMMAND)arg;
 519         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 520         PSG psg = pCmd->psg;
 521         int idx;
 522
 523         HPT_ASSERT(pCmd->flags.physical_sg);
 524
 525         if (error || nsegs == 0)
 526                 panic("busdma error");
 527
 528         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 529
 530         for (idx = 0; idx < nsegs; idx++, psg++) {
 531                 psg->addr.bus = segs[idx].ds_addr;
 532                 psg->size = segs[idx].ds_len;
 533                 psg->eot = 0;
 534         }
 535         psg[-1].eot = 1;
 536
 537         if (pCmd->flags.data_in) {
 538                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREREAD);
 539         }
 540         else if (pCmd->flags.data_out) {
 541                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREWRITE);
 542         }
 543
 544         ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 545         ldm_queue_cmd(pCmd);
 546 }
 547
 548 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 549 {
 550         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 551         PVDEV vd;
 552         PCOMMAND pCmd;
 553         POS_CMDEXT ext;
 554         HPT_U8 *cdb;
 555
 556         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 557                 cdb = ccb->csio.cdb_io.cdb_ptr;
 558         else
 559                 cdb = ccb->csio.cdb_io.cdb_bytes;
 560
 561         KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 562                 ccb,
 563                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 564                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 565         ));
 566
 567         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 568         if (ccb->ccb_h.target_lun != 0 ||
 569                 ccb->ccb_h.target_id >= osm_max_targets ||
 570                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 571         {
 572                 ccb->ccb_h.status = CAM_TID_INVALID;
 573                 xpt_done(ccb);
 574                 return;
 575         }
 576
 577         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 578
 579         if (!vd) {
 580                 ccb->ccb_h.status = CAM_TID_INVALID;
 581                 xpt_done(ccb);
 582                 return;
 583         }
 584
 585         switch (cdb[0]) {
 586         case TEST_UNIT_READY:
 587         case START_STOP_UNIT:
 588         case SYNCHRONIZE_CACHE:
 589                 ccb->ccb_h.status = CAM_REQ_CMP;
 590                 break;
 591
 592         case INQUIRY:
 593                 {
 594                         PINQUIRYDATA inquiryData;
 595                         memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 596                         inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 597
 598                         inquiryData->AdditionalLength = 31;
 599                         inquiryData->CommandQueue = 1;
 600                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 601                         memcpy(&inquiryData->ProductId, "DISK 0_0        ", 16);
 602
 603                         if (vd->target_id / 10) {
 604                                 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
 605                                 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
 606                         }
 607                         else
 608                                 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
 609
 610                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 611
 612                         ccb->ccb_h.status = CAM_REQ_CMP;
 613                 }
 614                 break;
 615
 616         case READ_CAPACITY:
 617         {
 618                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 619                 HPT_U32 cap;
 620
 621                 if (vd->capacity>0xfffffffful)
 622                         cap = 0xfffffffful;
 623                 else
 624                         cap = vd->capacity - 1;
 625
 626                 rbuf[0] = (HPT_U8)(cap>>24);
 627                 rbuf[1] = (HPT_U8)(cap>>16);
 628                 rbuf[2] = (HPT_U8)(cap>>8);
 629                 rbuf[3] = (HPT_U8)cap;
 630                 rbuf[4] = 0;
 631                 rbuf[5] = 0;
 632                 rbuf[6] = 2;
 633                 rbuf[7] = 0;
 634
 635                 ccb->ccb_h.status = CAM_REQ_CMP;
 636                 break;
 637         }
 638
 639         case SERVICE_ACTION_IN:
 640         {
 641                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 642                 HPT_U64 cap = vd->capacity - 1;
 643
 644                 rbuf[0] = (HPT_U8)(cap>>56);
 645                 rbuf[1] = (HPT_U8)(cap>>48);
 646                 rbuf[2] = (HPT_U8)(cap>>40);
 647                 rbuf[3] = (HPT_U8)(cap>>32);
 648                 rbuf[4] = (HPT_U8)(cap>>24);
 649                 rbuf[5] = (HPT_U8)(cap>>16);
 650                 rbuf[6] = (HPT_U8)(cap>>8);
 651                 rbuf[7] = (HPT_U8)cap;
 652                 rbuf[8] = 0;
 653                 rbuf[9] = 0;
 654                 rbuf[10] = 2;
 655                 rbuf[11] = 0;
 656
 657                 ccb->ccb_h.status = CAM_REQ_CMP;
 658                 break;
 659         }
 660
 661         case READ_6:
 662         case READ_10:
 663         case READ_16:
 664         case WRITE_6:
 665         case WRITE_10:
 666         case WRITE_16:
 667         case 0x13:
 668         case 0x2f:
 669         {
 670                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 671                 if(!pCmd){
 672                         KdPrint(("Failed to allocate command!"));
 673                         ccb->ccb_h.status = CAM_BUSY;
 674                         break;
 675                 }
 676
 677                 switch (cdb[0]) {
 678                 case READ_6:
 679                 case WRITE_6:
 680                 case 0x13:
 681                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
 682                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
 683                         break;
 684                 case READ_16:
 685                 case WRITE_16:
 686                 {
 687                         HPT_U64 block =
 688                                 ((HPT_U64)cdb[2]<<56) |
 689                                 ((HPT_U64)cdb[3]<<48) |
 690                                 ((HPT_U64)cdb[4]<<40) |
 691                                 ((HPT_U64)cdb[5]<<32) |
 692                                 ((HPT_U64)cdb[6]<<24) |
 693                                 ((HPT_U64)cdb[7]<<16) |
 694                                 ((HPT_U64)cdb[8]<<8) |
 695                                 ((HPT_U64)cdb[9]);
 696                         pCmd->uCmd.Ide.Lba = block;
 697                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
 698                         break;
 699                 }
 700
 701                 default:
 702                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
 703                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
 704                         break;
 705                 }
 706
 707                 switch (cdb[0]) {
 708                 case READ_6:
 709                 case READ_10:
 710                 case READ_16:
 711                         pCmd->flags.data_in = 1;
 712                         break;
 713                 case WRITE_6:
 714                 case WRITE_10:
 715                 case WRITE_16:
 716                         pCmd->flags.data_out = 1;
 717                         break;
 718                 }
 719                 pCmd->priv = ext = cmdext_get(vbus_ext);
 720                 HPT_ASSERT(ext);
 721                 ext->ccb = ccb;
 722                 pCmd->target = vd;
 723                 pCmd->done = os_cmddone;
 724                 pCmd->buildsgl = os_buildsgl;
 725
 726                 pCmd->psg = ext->psg;
 727
 728                 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
 729                         int idx;
 730                         bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
 731
 732                         if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
 733                                 pCmd->flags.physical_sg = 1;
 734
 735                         for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
 736                                 pCmd->psg[idx].addr.bus = sgList[idx].ds_addr;
 737                                 pCmd->psg[idx].size = sgList[idx].ds_len;
 738                                 pCmd->psg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
 739                         }
 740
 741                         ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 742                         ldm_queue_cmd(pCmd);
 743                 }
 744                 else {
 745                         int error;
 746                         pCmd->flags.physical_sg = 1;
 747                         error = bus_dmamap_load(vbus_ext->io_dmat,
 748                                                 ext->dma_map,
 749                                                 ccb->csio.data_ptr, ccb->csio.dxfer_len,
 750                                                 hpt_io_dmamap_callback, pCmd,
 751                                         BUS_DMA_WAITOK
 752                                         );
 753                         KdPrint(("bus_dmamap_load return %d", error));
 754                         if (error && error!=EINPROGRESS) {
 755                                 os_printk("bus_dmamap_load error %d", error);
 756                                 cmdext_put(ext);
 757                                 ldm_free_cmds(pCmd);
 758                                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 759                                 xpt_done(ccb);
 760                         }
 761                 }
 762                 return;
 763         }
 764
 765         default:
 766                 ccb->ccb_h.status = CAM_REQ_INVALID;
 767                 break;
 768         }
 769
 770         xpt_done(ccb);
 771         return;
 772 }
 773
 774 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
 775 {
 776         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 777
 778         KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
 779
 780         switch (ccb->ccb_h.func_code) {
 781
 782         case XPT_SCSI_IO:
 783                 hpt_lock_vbus(vbus_ext);
 784                 hpt_scsi_io(vbus_ext, ccb);
 785                 hpt_unlock_vbus(vbus_ext);
 786                 return;
 787
 788         case XPT_RESET_BUS:
 789                 hpt_lock_vbus(vbus_ext);
 790                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 791                 hpt_unlock_vbus(vbus_ext);
 792                 break;
 793
 794         case XPT_GET_TRAN_SETTINGS:
 795         case XPT_SET_TRAN_SETTINGS:
 796                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 797                 break;
 798
 799         case XPT_CALC_GEOMETRY:
 800 #if __FreeBSD_version >= 500000
 801                 cam_calc_geometry(&ccb->ccg, 1);
 802 #else
 803                 ccb->ccg.heads = 255;
 804                 ccb->ccg.secs_per_track = 63;
 805                 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
 806                 ccb->ccb_h.status = CAM_REQ_CMP;
 807 #endif
 808                 break;
 809
 810         case XPT_PATH_INQ:
 811         {
 812                 struct ccb_pathinq *cpi = &ccb->cpi;
 813
 814                 cpi->version_num = 1;
 815                 cpi->hba_inquiry = PI_SDTR_ABLE;
 816                 cpi->target_sprt = 0;
 817                 cpi->hba_misc = PIM_NOBUSRESET;
 818                 cpi->hba_eng_cnt = 0;
 819                 cpi->max_target = osm_max_targets;
 820                 cpi->max_lun = 0;
 821                 cpi->unit_number = cam_sim_unit(sim);
 822                 cpi->bus_id = cam_sim_bus(sim);
 823                 cpi->initiator_id = osm_max_targets;
 824                 cpi->base_transfer_speed = 3300;
 825
 826                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 827                 strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
 828                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 829                 cpi->transport = XPORT_SPI;
 830                 cpi->transport_version = 2;
 831                 cpi->protocol = PROTO_SCSI;
 832                 cpi->protocol_version = SCSI_REV_2;
 833                 cpi->ccb_h.status = CAM_REQ_CMP;
 834                 break;
 835         }
 836
 837         default:
 838                 ccb->ccb_h.status = CAM_REQ_INVALID;
 839                 break;
 840         }
 841
 842         xpt_done(ccb);
 843         return;
 844 }
 845
 846 static void hpt_pci_intr(void *arg)
 847 {
 848         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
 849         hpt_lock_vbus(vbus_ext);
 850         ldm_intr((PVBUS)vbus_ext->vbus);
 851         hpt_unlock_vbus(vbus_ext);
 852 }
 853
 854 static void hpt_poll(struct cam_sim *sim)
 855 {
 856         hpt_pci_intr(cam_sim_softc(sim));
 857 }
 858
 859 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
 860 {
 861         KdPrint(("hpt_async"));
 862 }
 863
 864 static int hpt_shutdown(device_t dev)
 865 {
 866         KdPrint(("hpt_shutdown(dev=%p)", dev));
 867         return 0;
 868 }
 869
 870 static int hpt_detach(device_t dev)
 871 {
 872         /* we don't allow the driver to be unloaded. */
 873         return EBUSY;
 874 }
 875
 876 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
 877 {
 878         arg->ioctl_cmnd = 0;
 879         wakeup(arg);
 880 }
 881
 882 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
 883 {
 884         ioctl_args->result = -1;
 885         ioctl_args->done = hpt_ioctl_done;
 886         ioctl_args->ioctl_cmnd = (void *)1;
 887
 888         hpt_lock_vbus(vbus_ext);
 889         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
 890
 891         while (ioctl_args->ioctl_cmnd) {
 892                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
 893                         break;
 894                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 895                 __hpt_do_tasks(vbus_ext);
 896         }
 897
 898         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
 899
 900         hpt_unlock_vbus(vbus_ext);
 901 }
 902
 903 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
 904 {
 905         PVBUS vbus;
 906         PVBUS_EXT vbus_ext;
 907
 908         ldm_for_each_vbus(vbus, vbus_ext) {
 909                 __hpt_do_ioctl(vbus_ext, ioctl_args);
 910                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
 911                         return;
 912         }
 913 }
 914
 915 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
 916         IOCTL_ARG arg;\
 917         arg.dwIoControlCode = code;\
 918         arg.lpInBuffer = inbuf;\
 919         arg.lpOutBuffer = outbuf;\
 920         arg.nInBufferSize = insize;\
 921         arg.nOutBufferSize = outsize;\
 922         arg.lpBytesReturned = 0;\
 923         hpt_do_ioctl(&arg);\
 924         arg.result;\
 925 })
 926
 927 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
 928
 929 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
 930 {
 931         int i;
 932         HPT_U32 count = nMaxCount-1;
 933
 934         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
 935                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
 936                 return -1;
 937
 938         nMaxCount = (int)pIds[0];
 939         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
 940         return nMaxCount;
 941 }
 942
 943 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
 944 {
 945         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
 946                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
 947 }
 948
 949 /* not belong to this file logically, but we want to use ioctl interface */
 950 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
 951 {
 952         LOGICAL_DEVICE_INFO_V3 devinfo;
 953         int i, result;
 954         DEVICEID param[2] = { id, 0 };
 955
 956         if (hpt_get_device_info_v3(id, &devinfo))
 957                 return -1;
 958
 959         if (devinfo.Type!=LDT_ARRAY)
 960                 return -1;
 961
 962         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
 963                 param[1] = AS_REBUILD_ABORT;
 964         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
 965                 param[1] = AS_VERIFY_ABORT;
 966         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
 967                 param[1] = AS_INITIALIZE_ABORT;
 968         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
 969                 param[1] = AS_TRANSFORM_ABORT;
 970         else
 971                 return -1;
 972
 973         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
 974         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
 975                                 param, sizeof(param), 0, 0);
 976
 977         for (i=0; i<devinfo.u.array.nDisk; i++)
 978                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
 979                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
 980
 981         return result;
 982 }
 983
 984 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
 985 {
 986         DEVICEID ids[32];
 987         int i, count;
 988
 989         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
 990
 991         for (i=0; i<count; i++)
 992                 __hpt_stop_tasks(vbus_ext, ids[i]);
 993 }
 994
 995 static  d_open_t        hpt_open;
 996 static  d_close_t       hpt_close;
 997 static  d_ioctl_t       hpt_ioctl;
 998 static  int             hpt_rescan_bus(void);
 999
1000 static struct cdevsw hpt_cdevsw = {
1001         .d_open =       hpt_open,
1002         .d_close =      hpt_close,
1003         .d_ioctl =      hpt_ioctl,
1004         .d_name =       driver_name,
1005 #if __FreeBSD_version>=503000
1006         .d_version =    D_VERSION,
1007 #endif
1008 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034)
1009         .d_flags =      D_NEEDGIANT,
1010 #endif
1011 #if __FreeBSD_version<600034
1012 #if __FreeBSD_version>501000
1013         .d_maj =        MAJOR_AUTO,
1014 #else
1015         .d_maj = HPT_DEV_MAJOR,
1016 #endif
1017 #endif
1018 };
1019
1020 static struct intr_config_hook hpt_ich;
1021
1022 /*
1023  * hpt_final_init will be called after all hpt_attach.
1024  */
1025 static void hpt_final_init(void *dummy)
1026 {
1027         int       i;
1028         PVBUS_EXT vbus_ext;
1029         PVBUS vbus;
1030         PHBA hba;
1031
1032         /* Clear the config hook */
1033         config_intrhook_disestablish(&hpt_ich);
1034
1035         /* allocate memory */
1036         i = 0;
1037         ldm_for_each_vbus(vbus, vbus_ext) {
1038                 if (hpt_alloc_mem(vbus_ext)) {
1039                         os_printk("out of memory");
1040                         return;
1041                 }
1042                 i++;
1043         }
1044
1045         if (!i) {
1046                 if (bootverbose)
1047                         os_printk("no controller detected.");
1048                 return;
1049         }
1050
1051         /* initializing hardware */
1052         ldm_for_each_vbus(vbus, vbus_ext) {
1053                 /* make timer available here */
1054                 callout_handle_init(&vbus_ext->timer);
1055                 if (hpt_init_vbus(vbus_ext)) {
1056                         os_printk("fail to initialize hardware");
1057                         break; /* FIXME */
1058                 }
1059         }
1060
1061         /* register CAM interface */
1062         ldm_for_each_vbus(vbus, vbus_ext) {
1063                 struct cam_devq *devq;
1064                 struct ccb_setasync     ccb;
1065
1066 #if (__FreeBSD_version >= 500000)
1067                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1068 #endif
1069                 if (bus_dma_tag_create(NULL,/* parent */
1070                                 4,      /* alignment */
1071                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1072                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1073                                 BUS_SPACE_MAXADDR,      /* highaddr */
1074                                 NULL, NULL,             /* filter, filterarg */
1075                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1076                                 os_max_sg_descriptors,  /* nsegments */
1077                                 0x10000,        /* maxsegsize */
1078                                 BUS_DMA_WAITOK,         /* flags */
1079 #if __FreeBSD_version>502000
1080                                 busdma_lock_mutex,      /* lockfunc */
1081                                 &vbus_ext->lock,                /* lockfuncarg */
1082 #endif
1083                                 &vbus_ext->io_dmat      /* tag */))
1084                 {
1085                         return ;
1086                 }
1087
1088                 for (i=0; i<os_max_queue_comm; i++) {
1089                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1090                         if (!ext) {
1091                                 os_printk("Can't alloc cmdext(%d)", i);
1092                                 return ;
1093                         }
1094                         ext->vbus_ext = vbus_ext;
1095                         ext->next = vbus_ext->cmdext_list;
1096                         vbus_ext->cmdext_list = ext;
1097
1098                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1099                                 os_printk("Can't create dma map(%d)", i);
1100                                 return ;
1101                         }
1102                 }
1103
1104                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1105                         os_printk("cam_simq_alloc failed");
1106                         return ;
1107                 }
1108
1109 #if __FreeBSD_version > 700025
1110                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1111                                 vbus_ext, 0, &Giant, os_max_queue_comm, /*tagged*/8,  devq);
1112 #else
1113                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1114                                 vbus_ext, 0, os_max_queue_comm, /*tagged*/8,  devq);
1115 #endif
1116
1117                 if (!vbus_ext->sim) {
1118                         os_printk("cam_sim_alloc failed");
1119                         cam_simq_free(devq);
1120                         return ;
1121                 }
1122
1123 #if __FreeBSD_version > 700044
1124                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1125 #else
1126                 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1127 #endif
1128                         os_printk("xpt_bus_register failed");
1129                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1130                         vbus_ext->sim = NULL;
1131                         return ;
1132                 }
1133
1134                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1135                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1136                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1137                 {
1138                         os_printk("xpt_create_path failed");
1139                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1140                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1141                         vbus_ext->sim = NULL;
1142                         return ;
1143                 }
1144
1145                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1146                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1147                 ccb.event_enable = AC_LOST_DEVICE;
1148                 ccb.callback = hpt_async;
1149                 ccb.callback_arg = vbus_ext;
1150                 xpt_action((union ccb *)&ccb);
1151
1152                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1153                         int rid = 0;
1154                         if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1155                                 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1156                         {
1157                                 os_printk("can't allocate interrupt");
1158                                 return ;
1159                         }
1160
1161                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM,
1162 #if __FreeBSD_version > 700025
1163                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1164 #else
1165                                 hpt_pci_intr, vbus_ext, &hba->irq_handle))
1166 #endif
1167                         {
1168                                 os_printk("can't set up interrupt");
1169                                 return ;
1170                         }
1171                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1172                 }
1173
1174                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1175                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1176                 if (!vbus_ext->shutdown_eh)
1177                         os_printk("Shutdown event registration failed");
1178         }
1179
1180         ldm_for_each_vbus(vbus, vbus_ext) {
1181                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1182                 if (vbus_ext->tasks)
1183                         TASK_ENQUEUE(&vbus_ext->worker);
1184         }
1185
1186         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1187             S_IRUSR | S_IWUSR, "%s", driver_name);
1188 }
1189
1190 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000)
1191
1192 typedef struct driverlink *driverlink_t;
1193 struct driverlink {
1194         kobj_class_t    driver;
1195         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1196 };
1197
1198 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1199
1200 struct devclass {
1201         TAILQ_ENTRY(devclass) link;
1202         devclass_t      parent;         /* parent in devclass hierarchy */
1203         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1204         char            *name;
1205         device_t        *devices;       /* array of devices indexed by unit */
1206         int             maxunit;        /* size of devices array */
1207 };
1208
1209 static void override_kernel_driver(void)
1210 {
1211         driverlink_t dl, dlfirst;
1212         driver_t *tmpdriver;
1213         devclass_t dc = devclass_find("pci");
1214
1215         if (dc){
1216                 dlfirst = TAILQ_FIRST(&dc->drivers);
1217                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1218                         if(strcmp(dl->driver->name, driver_name) == 0) {
1219                                 tmpdriver=dl->driver;
1220                                 dl->driver=dlfirst->driver;
1221                                 dlfirst->driver=tmpdriver;
1222                                 break;
1223                         }
1224                 }
1225         }
1226 }
1227
1228 #else
1229 #define override_kernel_driver()
1230 #endif
1231
1232 static void hpt_init(void *dummy)
1233 {
1234         if (bootverbose)
1235                 os_printk("%s %s", driver_name_long, driver_ver);
1236
1237         override_kernel_driver();
1238         init_config();
1239
1240         hpt_ich.ich_func = hpt_final_init;
1241         hpt_ich.ich_arg = NULL;
1242         if (config_intrhook_establish(&hpt_ich) != 0) {
1243                 printf("%s: cannot establish configuration hook\n",
1244                     driver_name_long);
1245         }
1246
1247 }
1248 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1249
1250 /*
1251  * CAM driver interface
1252  */
1253 static device_method_t driver_methods[] = {
1254         /* Device interface */
1255         DEVMETHOD(device_probe,         hpt_probe),
1256         DEVMETHOD(device_attach,        hpt_attach),
1257         DEVMETHOD(device_detach,        hpt_detach),
1258         DEVMETHOD(device_shutdown,      hpt_shutdown),
1259         DEVMETHOD_END
1260 };
1261
1262 static driver_t hpt_pci_driver = {
1263         driver_name,
1264         driver_methods,
1265         sizeof(HBA)
1266 };
1267
1268 static devclass_t       hpt_devclass;
1269
1270 #ifndef TARGETNAME
1271 #error "no TARGETNAME found"
1272 #endif
1273
1274 /* use this to make TARGETNAME be expanded */
1275 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1276 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1277 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1278 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1279 __MODULE_VERSION(TARGETNAME, 1);
1280 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1281
1282 #if __FreeBSD_version>503000
1283 typedef struct cdev * ioctl_dev_t;
1284 #else
1285 typedef dev_t ioctl_dev_t;
1286 #endif
1287
1288 #if __FreeBSD_version >= 500000
1289 typedef struct thread * ioctl_thread_t;
1290 #else
1291 typedef struct proc *   ioctl_thread_t;
1292 #endif
1293
1294 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1295 {
1296         return 0;
1297 }
1298
1299 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1300 {
1301         return 0;
1302 }
1303
1304 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td)
1305 {
1306         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1307         IOCTL_ARG ioctl_args;
1308         HPT_U32 bytesReturned;
1309
1310         switch (cmd){
1311         case HPT_DO_IOCONTROL:
1312         {
1313                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1314                         KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1315                                 piop->dwIoControlCode,
1316                                 piop->lpInBuffer,
1317                                 piop->nInBufferSize,
1318                                 piop->lpOutBuffer,
1319                                 piop->nOutBufferSize));
1320
1321                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1322
1323                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1324                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1325                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1326                 ioctl_args.lpBytesReturned = &bytesReturned;
1327
1328                 if (ioctl_args.nInBufferSize) {
1329                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1330                         if (!ioctl_args.lpInBuffer)
1331                                 goto invalid;
1332                         if (copyin((void*)piop->lpInBuffer,
1333                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1334                                 goto invalid;
1335                 }
1336
1337                 if (ioctl_args.nOutBufferSize) {
1338                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1339                         if (!ioctl_args.lpOutBuffer)
1340                                 goto invalid;
1341                 }
1342
1343 #if (__FreeBSD_version >= 500000)
1344                 mtx_lock(&Giant);
1345 #endif
1346
1347                 hpt_do_ioctl(&ioctl_args);
1348
1349 #if (__FreeBSD_version >= 500000)
1350                 mtx_unlock(&Giant);
1351 #endif
1352
1353                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1354                         if (piop->nOutBufferSize) {
1355                                 if (copyout(ioctl_args.lpOutBuffer,
1356                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1357                                         goto invalid;
1358                         }
1359                         if (piop->lpBytesReturned) {
1360                                 if (copyout(&bytesReturned,
1361                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1362                                         goto invalid;
1363                         }
1364                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1365                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1366                         return 0;
1367                 }
1368 invalid:
1369                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1370                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1371                 return EFAULT;
1372         }
1373         return EFAULT;
1374         }
1375
1376         case HPT_SCAN_BUS:
1377         {
1378                 return hpt_rescan_bus();
1379         }
1380         default:
1381                 KdPrint(("invalid command!"));
1382                 return EFAULT;
1383         }
1384
1385 }
1386
1387 static int      hpt_rescan_bus(void)
1388 {
1389         union ccb                       *ccb;
1390         PVBUS                           vbus;
1391         PVBUS_EXT                       vbus_ext;
1392
1393 #if (__FreeBSD_version >= 500000)
1394         mtx_lock(&Giant);
1395 #endif
1396
1397         ldm_for_each_vbus(vbus, vbus_ext) {
1398                 if ((ccb = xpt_alloc_ccb()) == NULL)
1399                         return(ENOMEM);
1400                 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
1401                     cam_sim_path(vbus_ext->sim),
1402                     CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1403                         xpt_free_ccb(ccb);
1404                         return(EIO);
1405                 }
1406                 xpt_rescan(ccb);
1407         }
1408
1409 #if (__FreeBSD_version >= 500000)
1410         mtx_unlock(&Giant);
1411 #endif
1412
1413         return(0);
1414 }