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
 485         /* since we have provided physical sg, nobody will ask us to build physical sg */
 486         HPT_ASSERT(0);
 487         return FALSE;
 488 }
 489
 490 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 491 {
 492         PCOMMAND pCmd = (PCOMMAND)arg;
 493         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 494         PSG psg = pCmd->psg;
 495         int idx;
 496
 497         HPT_ASSERT(pCmd->flags.physical_sg);
 498
 499         if (error)
 500                 panic("busdma error");
 501
 502         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 503
 504         if (nsegs != 0) {
 505                 for (idx = 0; idx < nsegs; idx++, psg++) {
 506                         psg->addr.bus = segs[idx].ds_addr;
 507                         psg->size = segs[idx].ds_len;
 508                         psg->eot = 0;
 509                 }
 510                         psg[-1].eot = 1;
 511
 512                 if (pCmd->flags.data_in) {
 513                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 514                             BUS_DMASYNC_PREREAD);
 515                 }
 516                 else if (pCmd->flags.data_out) {
 517                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 518                             BUS_DMASYNC_PREWRITE);
 519                 }
 520         }
 521         ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 522         ldm_queue_cmd(pCmd);
 523 }
 524
 525 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 526 {
 527         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 528         PVDEV vd;
 529         PCOMMAND pCmd;
 530         POS_CMDEXT ext;
 531         HPT_U8 *cdb;
 532
 533         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 534                 cdb = ccb->csio.cdb_io.cdb_ptr;
 535         else
 536                 cdb = ccb->csio.cdb_io.cdb_bytes;
 537
 538         KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 539                 ccb,
 540                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 541                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 542         ));
 543
 544         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 545         if (ccb->ccb_h.target_lun != 0 ||
 546                 ccb->ccb_h.target_id >= osm_max_targets ||
 547                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 548         {
 549                 ccb->ccb_h.status = CAM_TID_INVALID;
 550                 xpt_done(ccb);
 551                 return;
 552         }
 553
 554         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 555
 556         if (!vd) {
 557                 ccb->ccb_h.status = CAM_TID_INVALID;
 558                 xpt_done(ccb);
 559                 return;
 560         }
 561
 562         switch (cdb[0]) {
 563         case TEST_UNIT_READY:
 564         case START_STOP_UNIT:
 565         case SYNCHRONIZE_CACHE:
 566                 ccb->ccb_h.status = CAM_REQ_CMP;
 567                 break;
 568
 569         case INQUIRY:
 570                 {
 571                         PINQUIRYDATA inquiryData;
 572                         memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 573                         inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 574
 575                         inquiryData->AdditionalLength = 31;
 576                         inquiryData->CommandQueue = 1;
 577                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 578                         memcpy(&inquiryData->ProductId, "DISK 0_0        ", 16);
 579
 580                         if (vd->target_id / 10) {
 581                                 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
 582                                 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
 583                         }
 584                         else
 585                                 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
 586
 587                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 588
 589                         ccb->ccb_h.status = CAM_REQ_CMP;
 590                 }
 591                 break;
 592
 593         case READ_CAPACITY:
 594         {
 595                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 596                 HPT_U32 cap;
 597
 598                 if (vd->capacity>0xfffffffful)
 599                         cap = 0xfffffffful;
 600                 else
 601                         cap = vd->capacity - 1;
 602
 603                 rbuf[0] = (HPT_U8)(cap>>24);
 604                 rbuf[1] = (HPT_U8)(cap>>16);
 605                 rbuf[2] = (HPT_U8)(cap>>8);
 606                 rbuf[3] = (HPT_U8)cap;
 607                 rbuf[4] = 0;
 608                 rbuf[5] = 0;
 609                 rbuf[6] = 2;
 610                 rbuf[7] = 0;
 611
 612                 ccb->ccb_h.status = CAM_REQ_CMP;
 613                 break;
 614         }
 615
 616         case SERVICE_ACTION_IN:
 617         {
 618                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 619                 HPT_U64 cap = vd->capacity - 1;
 620
 621                 rbuf[0] = (HPT_U8)(cap>>56);
 622                 rbuf[1] = (HPT_U8)(cap>>48);
 623                 rbuf[2] = (HPT_U8)(cap>>40);
 624                 rbuf[3] = (HPT_U8)(cap>>32);
 625                 rbuf[4] = (HPT_U8)(cap>>24);
 626                 rbuf[5] = (HPT_U8)(cap>>16);
 627                 rbuf[6] = (HPT_U8)(cap>>8);
 628                 rbuf[7] = (HPT_U8)cap;
 629                 rbuf[8] = 0;
 630                 rbuf[9] = 0;
 631                 rbuf[10] = 2;
 632                 rbuf[11] = 0;
 633
 634                 ccb->ccb_h.status = CAM_REQ_CMP;
 635                 break;
 636         }
 637
 638         case READ_6:
 639         case READ_10:
 640         case READ_16:
 641         case WRITE_6:
 642         case WRITE_10:
 643         case WRITE_16:
 644         case 0x13:
 645         case 0x2f:
 646         {
 647                 int error;
 648
 649                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 650                 if(!pCmd){
 651                         KdPrint(("Failed to allocate command!"));
 652                         ccb->ccb_h.status = CAM_BUSY;
 653                         break;
 654                 }
 655
 656                 switch (cdb[0]) {
 657                 case READ_6:
 658                 case WRITE_6:
 659                 case 0x13:
 660                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
 661                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
 662                         break;
 663                 case READ_16:
 664                 case WRITE_16:
 665                 {
 666                         HPT_U64 block =
 667                                 ((HPT_U64)cdb[2]<<56) |
 668                                 ((HPT_U64)cdb[3]<<48) |
 669                                 ((HPT_U64)cdb[4]<<40) |
 670                                 ((HPT_U64)cdb[5]<<32) |
 671                                 ((HPT_U64)cdb[6]<<24) |
 672                                 ((HPT_U64)cdb[7]<<16) |
 673                                 ((HPT_U64)cdb[8]<<8) |
 674                                 ((HPT_U64)cdb[9]);
 675                         pCmd->uCmd.Ide.Lba = block;
 676                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
 677                         break;
 678                 }
 679
 680                 default:
 681                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
 682                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
 683                         break;
 684                 }
 685
 686                 switch (cdb[0]) {
 687                 case READ_6:
 688                 case READ_10:
 689                 case READ_16:
 690                         pCmd->flags.data_in = 1;
 691                         break;
 692                 case WRITE_6:
 693                 case WRITE_10:
 694                 case WRITE_16:
 695                         pCmd->flags.data_out = 1;
 696                         break;
 697                 }
 698                 pCmd->priv = ext = cmdext_get(vbus_ext);
 699                 HPT_ASSERT(ext);
 700                 ext->ccb = ccb;
 701                 pCmd->target = vd;
 702                 pCmd->done = os_cmddone;
 703                 pCmd->buildsgl = os_buildsgl;
 704                 pCmd->psg = ext->psg;
 705                 pCmd->flags.physical_sg = 1;
 706                 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
 707                                         ext->dma_map,
 708                                         ccb,
 709                                         hpt_io_dmamap_callback, pCmd,
 710                                         BUS_DMA_WAITOK
 711                                         );
 712                 KdPrint(("bus_dmamap_load return %d", error));
 713                 if (error && error!=EINPROGRESS) {
 714                         os_printk("bus_dmamap_load error %d", error);
 715                         cmdext_put(ext);
 716                         ldm_free_cmds(pCmd);
 717                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 718                         xpt_done(ccb);
 719                 }
 720                 return;
 721         }
 722
 723         default:
 724                 ccb->ccb_h.status = CAM_REQ_INVALID;
 725                 break;
 726         }
 727
 728         xpt_done(ccb);
 729         return;
 730 }
 731
 732 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
 733 {
 734         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 735
 736         KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
 737
 738         switch (ccb->ccb_h.func_code) {
 739
 740         case XPT_SCSI_IO:
 741                 hpt_lock_vbus(vbus_ext);
 742                 hpt_scsi_io(vbus_ext, ccb);
 743                 hpt_unlock_vbus(vbus_ext);
 744                 return;
 745
 746         case XPT_RESET_BUS:
 747                 hpt_lock_vbus(vbus_ext);
 748                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 749                 hpt_unlock_vbus(vbus_ext);
 750                 break;
 751
 752         case XPT_GET_TRAN_SETTINGS:
 753         case XPT_SET_TRAN_SETTINGS:
 754                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 755                 break;
 756
 757         case XPT_CALC_GEOMETRY:
 758 #if __FreeBSD_version >= 500000
 759                 cam_calc_geometry(&ccb->ccg, 1);
 760 #else
 761                 ccb->ccg.heads = 255;
 762                 ccb->ccg.secs_per_track = 63;
 763                 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
 764                 ccb->ccb_h.status = CAM_REQ_CMP;
 765 #endif
 766                 break;
 767
 768         case XPT_PATH_INQ:
 769         {
 770                 struct ccb_pathinq *cpi = &ccb->cpi;
 771
 772                 cpi->version_num = 1;
 773                 cpi->hba_inquiry = PI_SDTR_ABLE;
 774                 cpi->target_sprt = 0;
 775                 cpi->hba_misc = PIM_NOBUSRESET;
 776                 cpi->hba_eng_cnt = 0;
 777                 cpi->max_target = osm_max_targets;
 778                 cpi->max_lun = 0;
 779                 cpi->unit_number = cam_sim_unit(sim);
 780                 cpi->bus_id = cam_sim_bus(sim);
 781                 cpi->initiator_id = osm_max_targets;
 782                 cpi->base_transfer_speed = 3300;
 783
 784                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 785                 strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
 786                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 787                 cpi->transport = XPORT_SPI;
 788                 cpi->transport_version = 2;
 789                 cpi->protocol = PROTO_SCSI;
 790                 cpi->protocol_version = SCSI_REV_2;
 791                 cpi->ccb_h.status = CAM_REQ_CMP;
 792                 break;
 793         }
 794
 795         default:
 796                 ccb->ccb_h.status = CAM_REQ_INVALID;
 797                 break;
 798         }
 799
 800         xpt_done(ccb);
 801         return;
 802 }
 803
 804 static void hpt_pci_intr(void *arg)
 805 {
 806         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
 807         hpt_lock_vbus(vbus_ext);
 808         ldm_intr((PVBUS)vbus_ext->vbus);
 809         hpt_unlock_vbus(vbus_ext);
 810 }
 811
 812 static void hpt_poll(struct cam_sim *sim)
 813 {
 814         hpt_pci_intr(cam_sim_softc(sim));
 815 }
 816
 817 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
 818 {
 819         KdPrint(("hpt_async"));
 820 }
 821
 822 static int hpt_shutdown(device_t dev)
 823 {
 824         KdPrint(("hpt_shutdown(dev=%p)", dev));
 825         return 0;
 826 }
 827
 828 static int hpt_detach(device_t dev)
 829 {
 830         /* we don't allow the driver to be unloaded. */
 831         return EBUSY;
 832 }
 833
 834 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
 835 {
 836         arg->ioctl_cmnd = 0;
 837         wakeup(arg);
 838 }
 839
 840 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
 841 {
 842         ioctl_args->result = -1;
 843         ioctl_args->done = hpt_ioctl_done;
 844         ioctl_args->ioctl_cmnd = (void *)1;
 845
 846         hpt_lock_vbus(vbus_ext);
 847         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
 848
 849         while (ioctl_args->ioctl_cmnd) {
 850                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
 851                         break;
 852                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 853                 __hpt_do_tasks(vbus_ext);
 854         }
 855
 856         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
 857
 858         hpt_unlock_vbus(vbus_ext);
 859 }
 860
 861 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
 862 {
 863         PVBUS vbus;
 864         PVBUS_EXT vbus_ext;
 865
 866         ldm_for_each_vbus(vbus, vbus_ext) {
 867                 __hpt_do_ioctl(vbus_ext, ioctl_args);
 868                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
 869                         return;
 870         }
 871 }
 872
 873 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
 874         IOCTL_ARG arg;\
 875         arg.dwIoControlCode = code;\
 876         arg.lpInBuffer = inbuf;\
 877         arg.lpOutBuffer = outbuf;\
 878         arg.nInBufferSize = insize;\
 879         arg.nOutBufferSize = outsize;\
 880         arg.lpBytesReturned = 0;\
 881         hpt_do_ioctl(&arg);\
 882         arg.result;\
 883 })
 884
 885 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
 886
 887 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
 888 {
 889         int i;
 890         HPT_U32 count = nMaxCount-1;
 891
 892         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
 893                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
 894                 return -1;
 895
 896         nMaxCount = (int)pIds[0];
 897         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
 898         return nMaxCount;
 899 }
 900
 901 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
 902 {
 903         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
 904                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
 905 }
 906
 907 /* not belong to this file logically, but we want to use ioctl interface */
 908 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
 909 {
 910         LOGICAL_DEVICE_INFO_V3 devinfo;
 911         int i, result;
 912         DEVICEID param[2] = { id, 0 };
 913
 914         if (hpt_get_device_info_v3(id, &devinfo))
 915                 return -1;
 916
 917         if (devinfo.Type!=LDT_ARRAY)
 918                 return -1;
 919
 920         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
 921                 param[1] = AS_REBUILD_ABORT;
 922         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
 923                 param[1] = AS_VERIFY_ABORT;
 924         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
 925                 param[1] = AS_INITIALIZE_ABORT;
 926         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
 927                 param[1] = AS_TRANSFORM_ABORT;
 928         else
 929                 return -1;
 930
 931         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
 932         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
 933                                 param, sizeof(param), 0, 0);
 934
 935         for (i=0; i<devinfo.u.array.nDisk; i++)
 936                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
 937                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
 938
 939         return result;
 940 }
 941
 942 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
 943 {
 944         DEVICEID ids[32];
 945         int i, count;
 946
 947         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
 948
 949         for (i=0; i<count; i++)
 950                 __hpt_stop_tasks(vbus_ext, ids[i]);
 951 }
 952
 953 static  d_open_t        hpt_open;
 954 static  d_close_t       hpt_close;
 955 static  d_ioctl_t       hpt_ioctl;
 956 static  int             hpt_rescan_bus(void);
 957
 958 static struct cdevsw hpt_cdevsw = {
 959         .d_open =       hpt_open,
 960         .d_close =      hpt_close,
 961         .d_ioctl =      hpt_ioctl,
 962         .d_name =       driver_name,
 963 #if __FreeBSD_version>=503000
 964         .d_version =    D_VERSION,
 965 #endif
 966 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034)
 967         .d_flags =      D_NEEDGIANT,
 968 #endif
 969 #if __FreeBSD_version<600034
 970 #if __FreeBSD_version>501000
 971         .d_maj =        MAJOR_AUTO,
 972 #else
 973         .d_maj = HPT_DEV_MAJOR,
 974 #endif
 975 #endif
 976 };
 977
 978 static struct intr_config_hook hpt_ich;
 979
 980 /*
 981  * hpt_final_init will be called after all hpt_attach.
 982  */
 983 static void hpt_final_init(void *dummy)
 984 {
 985         int       i;
 986         PVBUS_EXT vbus_ext;
 987         PVBUS vbus;
 988         PHBA hba;
 989
 990         /* Clear the config hook */
 991         config_intrhook_disestablish(&hpt_ich);
 992
 993         /* allocate memory */
 994         i = 0;
 995         ldm_for_each_vbus(vbus, vbus_ext) {
 996                 if (hpt_alloc_mem(vbus_ext)) {
 997                         os_printk("out of memory");
 998                         return;
 999                 }
1000                 i++;
1001         }
1002
1003         if (!i) {
1004                 if (bootverbose)
1005                         os_printk("no controller detected.");
1006                 return;
1007         }
1008
1009         /* initializing hardware */
1010         ldm_for_each_vbus(vbus, vbus_ext) {
1011                 /* make timer available here */
1012                 callout_handle_init(&vbus_ext->timer);
1013                 if (hpt_init_vbus(vbus_ext)) {
1014                         os_printk("fail to initialize hardware");
1015                         break; /* FIXME */
1016                 }
1017         }
1018
1019         /* register CAM interface */
1020         ldm_for_each_vbus(vbus, vbus_ext) {
1021                 struct cam_devq *devq;
1022                 struct ccb_setasync     ccb;
1023
1024 #if (__FreeBSD_version >= 500000)
1025                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1026 #endif
1027                 if (bus_dma_tag_create(NULL,/* parent */
1028                                 4,      /* alignment */
1029                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1030                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1031                                 BUS_SPACE_MAXADDR,      /* highaddr */
1032                                 NULL, NULL,             /* filter, filterarg */
1033                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1034                                 os_max_sg_descriptors,  /* nsegments */
1035                                 0x10000,        /* maxsegsize */
1036                                 BUS_DMA_WAITOK,         /* flags */
1037 #if __FreeBSD_version>502000
1038                                 busdma_lock_mutex,      /* lockfunc */
1039                                 &vbus_ext->lock,                /* lockfuncarg */
1040 #endif
1041                                 &vbus_ext->io_dmat      /* tag */))
1042                 {
1043                         return ;
1044                 }
1045
1046                 for (i=0; i<os_max_queue_comm; i++) {
1047                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1048                         if (!ext) {
1049                                 os_printk("Can't alloc cmdext(%d)", i);
1050                                 return ;
1051                         }
1052                         ext->vbus_ext = vbus_ext;
1053                         ext->next = vbus_ext->cmdext_list;
1054                         vbus_ext->cmdext_list = ext;
1055
1056                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1057                                 os_printk("Can't create dma map(%d)", i);
1058                                 return ;
1059                         }
1060                 }
1061
1062                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1063                         os_printk("cam_simq_alloc failed");
1064                         return ;
1065                 }
1066
1067 #if __FreeBSD_version > 700025
1068                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1069                                 vbus_ext, 0, &Giant, os_max_queue_comm, /*tagged*/8,  devq);
1070 #else
1071                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1072                                 vbus_ext, 0, os_max_queue_comm, /*tagged*/8,  devq);
1073 #endif
1074
1075                 if (!vbus_ext->sim) {
1076                         os_printk("cam_sim_alloc failed");
1077                         cam_simq_free(devq);
1078                         return ;
1079                 }
1080
1081 #if __FreeBSD_version > 700044
1082                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1083 #else
1084                 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1085 #endif
1086                         os_printk("xpt_bus_register failed");
1087                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1088                         vbus_ext->sim = NULL;
1089                         return ;
1090                 }
1091
1092                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1093                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1094                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1095                 {
1096                         os_printk("xpt_create_path failed");
1097                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1098                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1099                         vbus_ext->sim = NULL;
1100                         return ;
1101                 }
1102
1103                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1104                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1105                 ccb.event_enable = AC_LOST_DEVICE;
1106                 ccb.callback = hpt_async;
1107                 ccb.callback_arg = vbus_ext;
1108                 xpt_action((union ccb *)&ccb);
1109
1110                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1111                         int rid = 0;
1112                         if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1113                                 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1114                         {
1115                                 os_printk("can't allocate interrupt");
1116                                 return ;
1117                         }
1118
1119                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM,
1120 #if __FreeBSD_version > 700025
1121                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1122 #else
1123                                 hpt_pci_intr, vbus_ext, &hba->irq_handle))
1124 #endif
1125                         {
1126                                 os_printk("can't set up interrupt");
1127                                 return ;
1128                         }
1129                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1130                 }
1131
1132                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1133                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1134                 if (!vbus_ext->shutdown_eh)
1135                         os_printk("Shutdown event registration failed");
1136         }
1137
1138         ldm_for_each_vbus(vbus, vbus_ext) {
1139                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1140                 if (vbus_ext->tasks)
1141                         TASK_ENQUEUE(&vbus_ext->worker);
1142         }
1143
1144         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1145             S_IRUSR | S_IWUSR, "%s", driver_name);
1146 }
1147
1148 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000)
1149
1150 typedef struct driverlink *driverlink_t;
1151 struct driverlink {
1152         kobj_class_t    driver;
1153         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1154 };
1155
1156 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1157
1158 struct devclass {
1159         TAILQ_ENTRY(devclass) link;
1160         devclass_t      parent;         /* parent in devclass hierarchy */
1161         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1162         char            *name;
1163         device_t        *devices;       /* array of devices indexed by unit */
1164         int             maxunit;        /* size of devices array */
1165 };
1166
1167 static void override_kernel_driver(void)
1168 {
1169         driverlink_t dl, dlfirst;
1170         driver_t *tmpdriver;
1171         devclass_t dc = devclass_find("pci");
1172
1173         if (dc){
1174                 dlfirst = TAILQ_FIRST(&dc->drivers);
1175                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1176                         if(strcmp(dl->driver->name, driver_name) == 0) {
1177                                 tmpdriver=dl->driver;
1178                                 dl->driver=dlfirst->driver;
1179                                 dlfirst->driver=tmpdriver;
1180                                 break;
1181                         }
1182                 }
1183         }
1184 }
1185
1186 #else
1187 #define override_kernel_driver()
1188 #endif
1189
1190 static void hpt_init(void *dummy)
1191 {
1192         if (bootverbose)
1193                 os_printk("%s %s", driver_name_long, driver_ver);
1194
1195         override_kernel_driver();
1196         init_config();
1197
1198         hpt_ich.ich_func = hpt_final_init;
1199         hpt_ich.ich_arg = NULL;
1200         if (config_intrhook_establish(&hpt_ich) != 0) {
1201                 printf("%s: cannot establish configuration hook\n",
1202                     driver_name_long);
1203         }
1204
1205 }
1206 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1207
1208 /*
1209  * CAM driver interface
1210  */
1211 static device_method_t driver_methods[] = {
1212         /* Device interface */
1213         DEVMETHOD(device_probe,         hpt_probe),
1214         DEVMETHOD(device_attach,        hpt_attach),
1215         DEVMETHOD(device_detach,        hpt_detach),
1216         DEVMETHOD(device_shutdown,      hpt_shutdown),
1217         DEVMETHOD_END
1218 };
1219
1220 static driver_t hpt_pci_driver = {
1221         driver_name,
1222         driver_methods,
1223         sizeof(HBA)
1224 };
1225
1226 static devclass_t       hpt_devclass;
1227
1228 #ifndef TARGETNAME
1229 #error "no TARGETNAME found"
1230 #endif
1231
1232 /* use this to make TARGETNAME be expanded */
1233 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1234 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1235 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1236 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1237 __MODULE_VERSION(TARGETNAME, 1);
1238 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1239
1240 #if __FreeBSD_version>503000
1241 typedef struct cdev * ioctl_dev_t;
1242 #else
1243 typedef dev_t ioctl_dev_t;
1244 #endif
1245
1246 #if __FreeBSD_version >= 500000
1247 typedef struct thread * ioctl_thread_t;
1248 #else
1249 typedef struct proc *   ioctl_thread_t;
1250 #endif
1251
1252 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1253 {
1254         return 0;
1255 }
1256
1257 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1258 {
1259         return 0;
1260 }
1261
1262 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td)
1263 {
1264         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1265         IOCTL_ARG ioctl_args;
1266         HPT_U32 bytesReturned;
1267
1268         switch (cmd){
1269         case HPT_DO_IOCONTROL:
1270         {
1271                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1272                         KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1273                                 piop->dwIoControlCode,
1274                                 piop->lpInBuffer,
1275                                 piop->nInBufferSize,
1276                                 piop->lpOutBuffer,
1277                                 piop->nOutBufferSize));
1278
1279                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1280
1281                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1282                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1283                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1284                 ioctl_args.lpBytesReturned = &bytesReturned;
1285
1286                 if (ioctl_args.nInBufferSize) {
1287                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1288                         if (!ioctl_args.lpInBuffer)
1289                                 goto invalid;
1290                         if (copyin((void*)piop->lpInBuffer,
1291                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1292                                 goto invalid;
1293                 }
1294
1295                 if (ioctl_args.nOutBufferSize) {
1296                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1297                         if (!ioctl_args.lpOutBuffer)
1298                                 goto invalid;
1299                 }
1300
1301 #if (__FreeBSD_version >= 500000)
1302                 mtx_lock(&Giant);
1303 #endif
1304
1305                 hpt_do_ioctl(&ioctl_args);
1306
1307 #if (__FreeBSD_version >= 500000)
1308                 mtx_unlock(&Giant);
1309 #endif
1310
1311                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1312                         if (piop->nOutBufferSize) {
1313                                 if (copyout(ioctl_args.lpOutBuffer,
1314                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1315                                         goto invalid;
1316                         }
1317                         if (piop->lpBytesReturned) {
1318                                 if (copyout(&bytesReturned,
1319                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1320                                         goto invalid;
1321                         }
1322                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1323                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1324                         return 0;
1325                 }
1326 invalid:
1327                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1328                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1329                 return EFAULT;
1330         }
1331         return EFAULT;
1332         }
1333
1334         case HPT_SCAN_BUS:
1335         {
1336                 return hpt_rescan_bus();
1337         }
1338         default:
1339                 KdPrint(("invalid command!"));
1340                 return EFAULT;
1341         }
1342
1343 }
1344
1345 static int      hpt_rescan_bus(void)
1346 {
1347         union ccb                       *ccb;
1348         PVBUS                           vbus;
1349         PVBUS_EXT                       vbus_ext;
1350
1351 #if (__FreeBSD_version >= 500000)
1352         mtx_lock(&Giant);
1353 #endif
1354
1355         ldm_for_each_vbus(vbus, vbus_ext) {
1356                 if ((ccb = xpt_alloc_ccb()) == NULL)
1357                         return(ENOMEM);
1358                 if (xpt_create_path(&ccb->ccb_h.path, NULL,
1359                     cam_sim_path(vbus_ext->sim),
1360                     CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1361                         xpt_free_ccb(ccb);
1362                         return(EIO);
1363                 }
1364                 xpt_rescan(ccb);
1365         }
1366
1367 #if (__FreeBSD_version >= 500000)
1368         mtx_unlock(&Giant);
1369 #endif
1370
1371         return(0);
1372 }