sys/dev/hpt27xx/hpt27xx_osm_bsd.c

   1 /*-
   2  * Copyright (c) 2011 HighPoint Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28
  29 #include <dev/hpt27xx/hpt27xx_config.h>
  30
  31 #include <dev/hpt27xx/os_bsd.h>
  32 #include <dev/hpt27xx/hptintf.h>
  33
  34 static int hpt_probe(device_t dev)
  35 {
  36         PCI_ID pci_id;
  37         HIM *him;
  38         int i;
  39         PHBA hba;
  40
  41         for (him = him_list; him; him = him->next) {
  42                 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
  43                         if (him->get_controller_count)
  44                                 him->get_controller_count(&pci_id,0,0);
  45                         if ((pci_get_vendor(dev) == pci_id.vid) &&
  46                                 (pci_get_device(dev) == pci_id.did)){
  47                                 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
  48                                         pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
  49                                 ));
  50                                 device_set_desc(dev, him->name);
  51                                 hba = (PHBA)device_get_softc(dev);
  52                                 memset(hba, 0, sizeof(HBA));
  53                                 hba->ext_type = EXT_TYPE_HBA;
  54                                 hba->ldm_adapter.him = him;
  55                                 return (BUS_PROBE_DEFAULT);
  56                         }
  57                 }
  58         }
  59
  60         return (ENXIO);
  61 }
  62
  63 static int hpt_attach(device_t dev)
  64 {
  65         PHBA hba = (PHBA)device_get_softc(dev);
  66         HIM *him = hba->ldm_adapter.him;
  67         PCI_ID pci_id;
  68         HPT_UINT size;
  69         PVBUS vbus;
  70         PVBUS_EXT vbus_ext;
  71
  72         KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
  73
  74 #if __FreeBSD_version >=440000
  75         pci_enable_busmaster(dev);
  76 #endif
  77
  78         pci_id.vid = pci_get_vendor(dev);
  79         pci_id.did = pci_get_device(dev);
  80         pci_id.rev = pci_get_revid(dev);
  81         pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev);
  82
  83         size = him->get_adapter_size(&pci_id);
  84         hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
  85         if (!hba->ldm_adapter.him_handle)
  86                 return ENXIO;
  87
  88         hba->pcidev = dev;
  89         hba->pciaddr.tree = 0;
  90         hba->pciaddr.bus = pci_get_bus(dev);
  91         hba->pciaddr.device = pci_get_slot(dev);
  92         hba->pciaddr.function = pci_get_function(dev);
  93
  94         if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
  95                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
  96                 return -1;
  97         }
  98
  99         os_printk("adapter at PCI %d:%d:%d, IRQ %d",
 100                 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
 101
 102         if (!ldm_register_adapter(&hba->ldm_adapter)) {
 103                 size = ldm_get_vbus_size();
 104                 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
 105                 if (!vbus_ext) {
 106                         free(hba->ldm_adapter.him_handle, M_DEVBUF);
 107                         return -1;
 108                 }
 109                 memset(vbus_ext, 0, sizeof(VBUS_EXT));
 110                 vbus_ext->ext_type = EXT_TYPE_VBUS;
 111                 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
 112                 ldm_register_adapter(&hba->ldm_adapter);
 113         }
 114
 115         ldm_for_each_vbus(vbus, vbus_ext) {
 116                 if (hba->ldm_adapter.vbus==vbus) {
 117                         hba->vbus_ext = vbus_ext;
 118                         hba->next = vbus_ext->hba_list;
 119                         vbus_ext->hba_list = hba;
 120                         break;
 121                 }
 122         }
 123         return 0;
 124 }
 125
 126 /*
 127  * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
 128  * but there are some problems currently (alignment, etc).
 129  */
 130 static __inline void *__get_free_pages(int order)
 131 {
 132         /* don't use low memory - other devices may get starved */
 133         return contigmalloc(PAGE_SIZE<<order,
 134                         M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
 135 }
 136
 137 static __inline void free_pages(void *p, int order)
 138 {
 139         contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
 140 }
 141
 142 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
 143 {
 144         PHBA hba;
 145         struct freelist *f;
 146         HPT_UINT i;
 147         void **p;
 148
 149         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 150                 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
 151
 152         ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
 153
 154         for (f=vbus_ext->freelist_head; f; f=f->next) {
 155                 KdPrint(("%s: %d*%d=%d bytes",
 156                         f->tag, f->count, f->size, f->count*f->size));
 157                 for (i=0; i<f->count; i++) {
 158                         p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
 159                         if (!p) return (ENXIO);
 160                         *p = f->head;
 161                         f->head = p;
 162                 }
 163         }
 164
 165         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 166                 int order, size, j;
 167
 168                 HPT_ASSERT((f->size & (f->alignment-1))==0);
 169
 170                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
 171                         ;
 172
 173                 KdPrint(("%s: %d*%d=%d bytes, order %d",
 174                         f->tag, f->count, f->size, f->count*f->size, order));
 175                 HPT_ASSERT(f->alignment<=PAGE_SIZE);
 176
 177                 for (i=0; i<f->count;) {
 178                         p = (void **)__get_free_pages(order);
 179                         if (!p) return -1;
 180                         for (j = size/f->size; j && i<f->count; i++,j--) {
 181                                 *p = f->head;
 182                                 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
 183                                 f->head = p;
 184                                 p = (void **)((unsigned long)p + f->size);
 185                         }
 186                 }
 187         }
 188
 189         HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
 190
 191         for (i=0; i<os_max_cache_pages; i++) {
 192                 p = (void **)__get_free_pages(0);
 193                 if (!p) return -1;
 194                 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
 195                 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
 196         }
 197
 198         return 0;
 199 }
 200
 201 static void hpt_free_mem(PVBUS_EXT vbus_ext)
 202 {
 203         struct freelist *f;
 204         void *p;
 205         int i;
 206         BUS_ADDRESS bus;
 207
 208         for (f=vbus_ext->freelist_head; f; f=f->next) {
 209 #if DBG
 210                 if (f->count!=f->reserved_count) {
 211                         KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 212                 }
 213 #endif
 214                 while ((p=freelist_get(f)))
 215                         free(p, M_DEVBUF);
 216         }
 217
 218         for (i=0; i<os_max_cache_pages; i++) {
 219                 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
 220                 HPT_ASSERT(p);
 221                 free_pages(p, 0);
 222         }
 223
 224         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 225                 int order, size;
 226 #if DBG
 227                 if (f->count!=f->reserved_count) {
 228                         KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 229                 }
 230 #endif
 231                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 232
 233                 while ((p=freelist_get_dma(f, &bus))) {
 234                         if (order)
 235                                 free_pages(p, order);
 236                         else {
 237                         /* can't free immediately since other blocks in this page may still be in the list */
 238                                 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
 239                                         dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
 240                         }
 241                 }
 242         }
 243
 244         while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
 245                 free_pages(p, 0);
 246 }
 247
 248 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
 249 {
 250         PHBA hba;
 251
 252         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 253                 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
 254                         KdPrint(("fail to initialize %p", hba));
 255                         return -1;
 256                 }
 257
 258         ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
 259         return 0;
 260 }
 261
 262 static void hpt_flush_done(PCOMMAND pCmd)
 263 {
 264         PVDEV vd = pCmd->target;
 265
 266         if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
 267                 vd = vd->u.array.transform->target;
 268                 HPT_ASSERT(vd);
 269                 pCmd->target = vd;
 270                 pCmd->Result = RETURN_PENDING;
 271                 vdev_queue_cmd(pCmd);
 272                 return;
 273         }
 274
 275         *(int *)pCmd->priv = 1;
 276         wakeup(pCmd);
 277 }
 278
 279 /*
 280  * flush a vdev (without retry).
 281  */
 282 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 283 {
 284         PCOMMAND pCmd;
 285         int result = 0, done;
 286         HPT_UINT count;
 287
 288         KdPrint(("flusing dev %p", vd));
 289
 290         hpt_lock_vbus(vbus_ext);
 291
 292         if (mIsArray(vd->type) && vd->u.array.transform)
 293                 count = MAX(vd->u.array.transform->source->cmds_per_request,
 294                                         vd->u.array.transform->target->cmds_per_request);
 295         else
 296                 count = vd->cmds_per_request;
 297
 298         pCmd = ldm_alloc_cmds(vd->vbus, count);
 299
 300         if (!pCmd) {
 301                 hpt_unlock_vbus(vbus_ext);
 302                 return -1;
 303         }
 304
 305         pCmd->type = CMD_TYPE_FLUSH;
 306         pCmd->flags.hard_flush = 1;
 307         pCmd->target = vd;
 308         pCmd->done = hpt_flush_done;
 309         done = 0;
 310         pCmd->priv = &done;
 311
 312         ldm_queue_cmd(pCmd);
 313
 314         if (!done) {
 315                 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
 316                         ldm_reset_vbus(vd->vbus);
 317                 }
 318         }
 319
 320         KdPrint(("flush result %d", pCmd->Result));
 321
 322         if (pCmd->Result!=RETURN_SUCCESS)
 323                 result = -1;
 324
 325         ldm_free_cmds(pCmd);
 326
 327         hpt_unlock_vbus(vbus_ext);
 328
 329         return result;
 330 }
 331
 332 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
 333 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
 334 {
 335         PVBUS     vbus = (PVBUS)vbus_ext->vbus;
 336         PHBA hba;
 337         int i;
 338
 339         KdPrint(("hpt_shutdown_vbus"));
 340
 341         /* stop all ctl tasks and disable the worker taskqueue */
 342         hpt_stop_tasks(vbus_ext);
 343         vbus_ext->worker.ta_context = 0;
 344
 345         /* flush devices */
 346         for (i=0; i<osm_max_targets; i++) {
 347                 PVDEV vd = ldm_find_target(vbus, i);
 348                 if (vd) {
 349                         /* retry once */
 350                         if (hpt_flush_vdev(vbus_ext, vd))
 351                                 hpt_flush_vdev(vbus_ext, vd);
 352                 }
 353         }
 354
 355         hpt_lock_vbus(vbus_ext);
 356         ldm_shutdown(vbus);
 357         hpt_unlock_vbus(vbus_ext);
 358
 359         ldm_release_vbus(vbus);
 360
 361         for (hba=vbus_ext->hba_list; hba; hba=hba->next)
 362                 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
 363
 364         hpt_free_mem(vbus_ext);
 365
 366         while ((hba=vbus_ext->hba_list)) {
 367                 vbus_ext->hba_list = hba->next;
 368                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 369         }
 370
 371         free(vbus_ext, M_DEVBUF);
 372         KdPrint(("hpt_shutdown_vbus done"));
 373 }
 374
 375 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
 376 {
 377         OSM_TASK *tasks;
 378
 379         tasks = vbus_ext->tasks;
 380         vbus_ext->tasks = 0;
 381
 382         while (tasks) {
 383                 OSM_TASK *t = tasks;
 384                 tasks = t->next;
 385                 t->next = 0;
 386                 t->func(vbus_ext->vbus, t->data);
 387         }
 388 }
 389
 390 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
 391 {
 392         if(vbus_ext){
 393                 hpt_lock_vbus(vbus_ext);
 394                 __hpt_do_tasks(vbus_ext);
 395                 hpt_unlock_vbus(vbus_ext);
 396         }
 397 }
 398
 399 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
 400 static void hpt_poll(struct cam_sim *sim);
 401 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
 402 static void hpt_pci_intr(void *arg);
 403
 404 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
 405 {
 406         POS_CMDEXT p = vbus_ext->cmdext_list;
 407         if (p)
 408                 vbus_ext->cmdext_list = p->next;
 409         return p;
 410 }
 411
 412 static __inline void cmdext_put(POS_CMDEXT p)
 413 {
 414         p->next = p->vbus_ext->cmdext_list;
 415         p->vbus_ext->cmdext_list = p;
 416 }
 417
 418 static void hpt_timeout(void *arg)
 419 {
 420         PCOMMAND pCmd = (PCOMMAND)arg;
 421         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 422
 423         KdPrint(("pCmd %p timeout", pCmd));
 424
 425         ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
 426 }
 427
 428 static void os_cmddone(PCOMMAND pCmd)
 429 {
 430         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 431         union ccb *ccb = ext->ccb;
 432
 433         KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
 434
 435         untimeout(hpt_timeout, pCmd, ccb->ccb_h.timeout_ch);
 436
 437         switch(pCmd->Result) {
 438         case RETURN_SUCCESS:
 439                 ccb->ccb_h.status = CAM_REQ_CMP;
 440                 break;
 441         case RETURN_BAD_DEVICE:
 442                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 443                 break;
 444         case RETURN_DEVICE_BUSY:
 445                 ccb->ccb_h.status = CAM_BUSY;
 446                 break;
 447         case RETURN_INVALID_REQUEST:
 448                 ccb->ccb_h.status = CAM_REQ_INVALID;
 449                 break;
 450         case RETURN_SELECTION_TIMEOUT:
 451                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 452                 break;
 453         case RETURN_RETRY:
 454                 ccb->ccb_h.status = CAM_BUSY;
 455                 break;
 456         default:
 457                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 458                 break;
 459         }
 460
 461         if (pCmd->flags.data_in) {
 462                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
 463         }
 464         else if (pCmd->flags.data_out) {
 465                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
 466         }
 467
 468         bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
 469
 470         cmdext_put(ext);
 471         ldm_free_cmds(pCmd);
 472         xpt_done(ccb);
 473 }
 474
 475 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
 476 {
 477         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 478         union ccb *ccb = ext->ccb;
 479
 480         if (logical) {
 481                 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
 482                 pSg->size = ccb->csio.dxfer_len;
 483                 pSg->eot = 1;
 484                 return TRUE;
 485         }
 486
 487         /* since we have provided physical sg, nobody will ask us to build physical sg */
 488         HPT_ASSERT(0);
 489         return FALSE;
 490 }
 491
 492 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 493 {
 494         PCOMMAND pCmd = (PCOMMAND)arg;
 495         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 496         PSG psg = pCmd->psg;
 497         int idx;
 498
 499         HPT_ASSERT(pCmd->flags.physical_sg);
 500
 501         if (error)
 502                 panic("busdma error");
 503
 504         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 505
 506         if (nsegs != 0) {
 507                 for (idx = 0; idx < nsegs; idx++, psg++) {
 508                         psg->addr.bus = segs[idx].ds_addr;
 509                         psg->size = segs[idx].ds_len;
 510                         psg->eot = 0;
 511                 }
 512                 psg[-1].eot = 1;
 513
 514                 if (pCmd->flags.data_in) {
 515                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 516                             BUS_DMASYNC_PREREAD);
 517                 }
 518                 else if (pCmd->flags.data_out) {
 519                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 520                             BUS_DMASYNC_PREWRITE);
 521                 }
 522         }
 523
 524         ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 525         ldm_queue_cmd(pCmd);
 526 }
 527
 528 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 529 {
 530         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 531         PVDEV vd;
 532         PCOMMAND pCmd;
 533         POS_CMDEXT ext;
 534         HPT_U8 *cdb;
 535
 536         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 537                 cdb = ccb->csio.cdb_io.cdb_ptr;
 538         else
 539                 cdb = ccb->csio.cdb_io.cdb_bytes;
 540
 541         KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 542                 ccb,
 543                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 544                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 545         ));
 546
 547         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 548         if (ccb->ccb_h.target_lun != 0 ||
 549                 ccb->ccb_h.target_id >= osm_max_targets ||
 550                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 551         {
 552                 ccb->ccb_h.status = CAM_TID_INVALID;
 553                 xpt_done(ccb);
 554                 return;
 555         }
 556
 557         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 558
 559         if (!vd) {
 560                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 561                 xpt_done(ccb);
 562                 return;
 563         }
 564
 565         switch (cdb[0]) {
 566         case TEST_UNIT_READY:
 567         case START_STOP_UNIT:
 568         case SYNCHRONIZE_CACHE:
 569                 ccb->ccb_h.status = CAM_REQ_CMP;
 570                 break;
 571
 572         case INQUIRY:
 573                 {
 574                         PINQUIRYDATA inquiryData;
 575                         memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 576                         inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 577
 578                         inquiryData->AdditionalLength = 31;
 579                         inquiryData->CommandQueue = 1;
 580                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 581                         memcpy(&inquiryData->ProductId, "DISK 0_0        ", 16);
 582
 583                         if (vd->target_id / 10) {
 584                                 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
 585                                 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
 586                         }
 587                         else
 588                                 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
 589
 590                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 591
 592                         ccb->ccb_h.status = CAM_REQ_CMP;
 593                 }
 594                 break;
 595
 596         case READ_CAPACITY:
 597         {
 598                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 599                 HPT_U32 cap;
 600
 601                 if (vd->capacity>0xfffffffful)
 602                         cap = 0xfffffffful;
 603                 else
 604                         cap = vd->capacity - 1;
 605
 606                 rbuf[0] = (HPT_U8)(cap>>24);
 607                 rbuf[1] = (HPT_U8)(cap>>16);
 608                 rbuf[2] = (HPT_U8)(cap>>8);
 609                 rbuf[3] = (HPT_U8)cap;
 610                 rbuf[4] = 0;
 611                 rbuf[5] = 0;
 612                 rbuf[6] = 2;
 613                 rbuf[7] = 0;
 614
 615                 ccb->ccb_h.status = CAM_REQ_CMP;
 616                 break;
 617         }
 618
 619         case SERVICE_ACTION_IN:
 620         {
 621                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 622                 HPT_U64 cap = vd->capacity - 1;
 623
 624                 rbuf[0] = (HPT_U8)(cap>>56);
 625                 rbuf[1] = (HPT_U8)(cap>>48);
 626                 rbuf[2] = (HPT_U8)(cap>>40);
 627                 rbuf[3] = (HPT_U8)(cap>>32);
 628                 rbuf[4] = (HPT_U8)(cap>>24);
 629                 rbuf[5] = (HPT_U8)(cap>>16);
 630                 rbuf[6] = (HPT_U8)(cap>>8);
 631                 rbuf[7] = (HPT_U8)cap;
 632                 rbuf[8] = 0;
 633                 rbuf[9] = 0;
 634                 rbuf[10] = 2;
 635                 rbuf[11] = 0;
 636
 637                 ccb->ccb_h.status = CAM_REQ_CMP;
 638                 break;
 639         }
 640
 641         case READ_6:
 642         case READ_10:
 643         case READ_16:
 644         case WRITE_6:
 645         case WRITE_10:
 646         case WRITE_16:
 647         case 0x13:
 648         case 0x2f:
 649         case 0x8f: /* VERIFY_16 */
 650         {
 651                 int error;
 652                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 653                 if(!pCmd){
 654                         KdPrint(("Failed to allocate command!"));
 655                         ccb->ccb_h.status = CAM_BUSY;
 656                         break;
 657                 }
 658
 659                 switch (cdb[0]) {
 660                 case READ_6:
 661                 case WRITE_6:
 662                 case 0x13:
 663                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
 664                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
 665                         break;
 666                 case READ_16:
 667                 case WRITE_16:
 668                 case 0x8f: /* VERIFY_16 */
 669                 {
 670                         HPT_U64 block =
 671                                 ((HPT_U64)cdb[2]<<56) |
 672                                 ((HPT_U64)cdb[3]<<48) |
 673                                 ((HPT_U64)cdb[4]<<40) |
 674                                 ((HPT_U64)cdb[5]<<32) |
 675                                 ((HPT_U64)cdb[6]<<24) |
 676                                 ((HPT_U64)cdb[7]<<16) |
 677                                 ((HPT_U64)cdb[8]<<8) |
 678                                 ((HPT_U64)cdb[9]);
 679                         pCmd->uCmd.Ide.Lba = block;
 680                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
 681                         break;
 682                 }
 683
 684                 default:
 685                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
 686                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
 687                         break;
 688                 }
 689
 690                 switch (cdb[0]) {
 691                 case READ_6:
 692                 case READ_10:
 693                 case READ_16:
 694                         pCmd->flags.data_in = 1;
 695                         break;
 696                 case WRITE_6:
 697                 case WRITE_10:
 698                 case WRITE_16:
 699                         pCmd->flags.data_out = 1;
 700                         break;
 701                 }
 702                 pCmd->priv = ext = cmdext_get(vbus_ext);
 703                 HPT_ASSERT(ext);
 704                 ext->ccb = ccb;
 705                 pCmd->target = vd;
 706                 pCmd->done = os_cmddone;
 707                 pCmd->buildsgl = os_buildsgl;
 708                 pCmd->psg = ext->psg;
 709                 pCmd->flags.physical_sg = 1;
 710                 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
 711                                         ext->dma_map, ccb,
 712                                         hpt_io_dmamap_callback, pCmd,
 713                                         BUS_DMA_WAITOK
 714                                         );
 715                 KdPrint(("bus_dmamap_load return %d", error));
 716                 if (error && error!=EINPROGRESS) {
 717                         os_printk("bus_dmamap_load error %d", error);
 718                         cmdext_put(ext);
 719                         ldm_free_cmds(pCmd);
 720                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 721                         xpt_done(ccb);
 722                 }
 723                 return;
 724         }
 725
 726         default:
 727                 ccb->ccb_h.status = CAM_REQ_INVALID;
 728                 break;
 729         }
 730
 731         xpt_done(ccb);
 732         return;
 733 }
 734
 735 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
 736 {
 737         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 738
 739         KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
 740
 741         switch (ccb->ccb_h.func_code) {
 742
 743         case XPT_SCSI_IO:
 744                 hpt_lock_vbus(vbus_ext);
 745                 hpt_scsi_io(vbus_ext, ccb);
 746                 hpt_unlock_vbus(vbus_ext);
 747                 return;
 748
 749         case XPT_RESET_BUS:
 750                 hpt_lock_vbus(vbus_ext);
 751                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 752                 hpt_unlock_vbus(vbus_ext);
 753                 break;
 754
 755         case XPT_GET_TRAN_SETTINGS:
 756         case XPT_SET_TRAN_SETTINGS:
 757                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 758                 break;
 759
 760         case XPT_CALC_GEOMETRY:
 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                 break;
 766
 767         case XPT_PATH_INQ:
 768         {
 769                 struct ccb_pathinq *cpi = &ccb->cpi;
 770
 771                 cpi->version_num = 1;
 772                 cpi->hba_inquiry = PI_SDTR_ABLE;
 773                 cpi->target_sprt = 0;
 774                 cpi->hba_misc = PIM_NOBUSRESET;
 775                 cpi->hba_eng_cnt = 0;
 776                 cpi->max_target = osm_max_targets;
 777                 cpi->max_lun = 0;
 778                 cpi->unit_number = cam_sim_unit(sim);
 779                 cpi->bus_id = cam_sim_bus(sim);
 780                 cpi->initiator_id = osm_max_targets;
 781                 cpi->base_transfer_speed = 3300;
 782
 783                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 784                 strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
 785                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 786 #if (__FreeBSD_version >= 800000)
 787                 cpi->transport = XPORT_SPI;
 788                 cpi->transport_version = 2;
 789                 cpi->protocol = PROTO_SCSI;
 790                 cpi->protocol_version = SCSI_REV_2;
 791 #endif
 792                 cpi->ccb_h.status = CAM_REQ_CMP;
 793                 break;
 794         }
 795
 796         default:
 797                 ccb->ccb_h.status = CAM_REQ_INVALID;
 798                 break;
 799         }
 800
 801         xpt_done(ccb);
 802         return;
 803 }
 804
 805 static void hpt_pci_intr(void *arg)
 806 {
 807         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
 808         hpt_lock_vbus(vbus_ext);
 809         ldm_intr((PVBUS)vbus_ext->vbus);
 810         hpt_unlock_vbus(vbus_ext);
 811 }
 812
 813 static void hpt_poll(struct cam_sim *sim)
 814 {
 815         hpt_pci_intr(cam_sim_softc(sim));
 816 }
 817
 818 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
 819 {
 820         KdPrint(("hpt_async"));
 821 }
 822
 823 static int hpt_shutdown(device_t dev)
 824 {
 825         KdPrint(("hpt_shutdown(dev=%p)", dev));
 826         return 0;
 827 }
 828
 829 static int hpt_detach(device_t dev)
 830 {
 831         /* we don't allow the driver to be unloaded. */
 832         return EBUSY;
 833 }
 834
 835 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
 836 {
 837         arg->ioctl_cmnd = 0;
 838         wakeup(arg);
 839 }
 840
 841 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
 842 {
 843         ioctl_args->result = -1;
 844         ioctl_args->done = hpt_ioctl_done;
 845         ioctl_args->ioctl_cmnd = (void *)1;
 846
 847         hpt_lock_vbus(vbus_ext);
 848         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
 849
 850         while (ioctl_args->ioctl_cmnd) {
 851                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
 852                         break;
 853                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 854                 __hpt_do_tasks(vbus_ext);
 855         }
 856
 857         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
 858
 859         hpt_unlock_vbus(vbus_ext);
 860 }
 861
 862 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
 863 {
 864         PVBUS vbus;
 865         PVBUS_EXT vbus_ext;
 866
 867         ldm_for_each_vbus(vbus, vbus_ext) {
 868                 __hpt_do_ioctl(vbus_ext, ioctl_args);
 869                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
 870                         return;
 871         }
 872 }
 873
 874 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
 875         IOCTL_ARG arg;\
 876         arg.dwIoControlCode = code;\
 877         arg.lpInBuffer = inbuf;\
 878         arg.lpOutBuffer = outbuf;\
 879         arg.nInBufferSize = insize;\
 880         arg.nOutBufferSize = outsize;\
 881         arg.lpBytesReturned = 0;\
 882         hpt_do_ioctl(&arg);\
 883         arg.result;\
 884 })
 885
 886 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
 887
 888 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
 889 {
 890         int i;
 891         HPT_U32 count = nMaxCount-1;
 892
 893         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
 894                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
 895                 return -1;
 896
 897         nMaxCount = (int)pIds[0];
 898         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
 899         return nMaxCount;
 900 }
 901
 902 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
 903 {
 904         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
 905                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
 906 }
 907
 908 /* not belong to this file logically, but we want to use ioctl interface */
 909 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
 910 {
 911         LOGICAL_DEVICE_INFO_V3 devinfo;
 912         int i, result;
 913         DEVICEID param[2] = { id, 0 };
 914
 915         if (hpt_get_device_info_v3(id, &devinfo))
 916                 return -1;
 917
 918         if (devinfo.Type!=LDT_ARRAY)
 919                 return -1;
 920
 921         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
 922                 param[1] = AS_REBUILD_ABORT;
 923         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
 924                 param[1] = AS_VERIFY_ABORT;
 925         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
 926                 param[1] = AS_INITIALIZE_ABORT;
 927         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
 928                 param[1] = AS_TRANSFORM_ABORT;
 929         else
 930                 return -1;
 931
 932         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
 933         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
 934                                 param, sizeof(param), 0, 0);
 935
 936         for (i=0; i<devinfo.u.array.nDisk; i++)
 937                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
 938                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
 939
 940         return result;
 941 }
 942
 943 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
 944 {
 945         DEVICEID ids[32];
 946         int i, count;
 947
 948         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
 949
 950         for (i=0; i<count; i++)
 951                 __hpt_stop_tasks(vbus_ext, ids[i]);
 952 }
 953
 954 static  d_open_t        hpt_open;
 955 static  d_close_t       hpt_close;
 956 static  d_ioctl_t       hpt_ioctl;
 957 static  int             hpt_rescan_bus(void);
 958
 959 static struct cdevsw hpt_cdevsw = {
 960         .d_open =       hpt_open,
 961         .d_close =      hpt_close,
 962         .d_ioctl =      hpt_ioctl,
 963         .d_name =       driver_name,
 964 #if __FreeBSD_version>=503000
 965         .d_version =    D_VERSION,
 966 #endif
 967 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034)
 968         .d_flags =      D_NEEDGIANT,
 969 #endif
 970 #if __FreeBSD_version<600034
 971 #if __FreeBSD_version>501000
 972         .d_maj =        MAJOR_AUTO,
 973 #else
 974         .d_maj = HPT_DEV_MAJOR,
 975 #endif
 976 #endif
 977 };
 978
 979 static struct intr_config_hook hpt_ich;
 980
 981 /*
 982  * hpt_final_init will be called after all hpt_attach.
 983  */
 984 static void hpt_final_init(void *dummy)
 985 {
 986         int       i,unit_number=0;
 987         PVBUS_EXT vbus_ext;
 988         PVBUS vbus;
 989         PHBA hba;
 990
 991         /* Clear the config hook */
 992         config_intrhook_disestablish(&hpt_ich);
 993
 994         /* allocate memory */
 995         i = 0;
 996         ldm_for_each_vbus(vbus, vbus_ext) {
 997                 if (hpt_alloc_mem(vbus_ext)) {
 998                         os_printk("out of memory");
 999                         return;
1000                 }
1001                 i++;
1002         }
1003
1004         if (!i) {
1005                 if (bootverbose)
1006                         os_printk("no controller detected.");
1007                 return;
1008         }
1009
1010         /* initializing hardware */
1011         ldm_for_each_vbus(vbus, vbus_ext) {
1012                 /* make timer available here */
1013                 callout_handle_init(&vbus_ext->timer);
1014                 if (hpt_init_vbus(vbus_ext)) {
1015                         os_printk("fail to initialize hardware");
1016                         break; /* FIXME */
1017                 }
1018         }
1019
1020         /* register CAM interface */
1021         ldm_for_each_vbus(vbus, vbus_ext) {
1022                 struct cam_devq *devq;
1023                 struct ccb_setasync     ccb;
1024
1025 #if (__FreeBSD_version >= 500000)
1026                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1027 #endif
1028                 if (bus_dma_tag_create(NULL,/* parent */
1029                                 4,      /* alignment */
1030                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1031                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1032                                 BUS_SPACE_MAXADDR,      /* highaddr */
1033                                 NULL, NULL,             /* filter, filterarg */
1034                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1035                                 os_max_sg_descriptors,  /* nsegments */
1036                                 0x10000,        /* maxsegsize */
1037                                 BUS_DMA_WAITOK,         /* flags */
1038 #if __FreeBSD_version>502000
1039                                 busdma_lock_mutex,      /* lockfunc */
1040                                 &vbus_ext->lock,                /* lockfuncarg */
1041 #endif
1042                                 &vbus_ext->io_dmat      /* tag */))
1043                 {
1044                         return ;
1045                 }
1046
1047                 for (i=0; i<os_max_queue_comm; i++) {
1048                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1049                         if (!ext) {
1050                                 os_printk("Can't alloc cmdext(%d)", i);
1051                                 return ;
1052                         }
1053                         ext->vbus_ext = vbus_ext;
1054                         ext->next = vbus_ext->cmdext_list;
1055                         vbus_ext->cmdext_list = ext;
1056
1057                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1058                                 os_printk("Can't create dma map(%d)", i);
1059                                 return ;
1060                         }
1061                 }
1062
1063                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1064                         os_printk("cam_simq_alloc failed");
1065                         return ;
1066                 }
1067
1068 #if __FreeBSD_version > 700025
1069                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1070                                 vbus_ext, unit_number, &Giant, os_max_queue_comm, /*tagged*/8,  devq);
1071 #else
1072                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1073                                 vbus_ext, unit_number, os_max_queue_comm, /*tagged*/8,  devq);
1074 #endif
1075                 unit_number++;
1076                 if (!vbus_ext->sim) {
1077                         os_printk("cam_sim_alloc failed");
1078                         cam_simq_free(devq);
1079                         return ;
1080                 }
1081
1082 #if __FreeBSD_version > 700044
1083                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1084 #else
1085                 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1086 #endif
1087                         os_printk("xpt_bus_register failed");
1088                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1089                         vbus_ext->sim = NULL;
1090                         return ;
1091                 }
1092
1093                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1094                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1095                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1096                 {
1097                         os_printk("xpt_create_path failed");
1098                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1099                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1100                         vbus_ext->sim = NULL;
1101                         return ;
1102                 }
1103
1104                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1105                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1106                 ccb.event_enable = AC_LOST_DEVICE;
1107                 ccb.callback = hpt_async;
1108                 ccb.callback_arg = vbus_ext;
1109                 xpt_action((union ccb *)&ccb);
1110
1111                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1112                         int rid = 0;
1113                         if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1114                                 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1115                         {
1116                                 os_printk("can't allocate interrupt");
1117                                 return ;
1118                         }
1119
1120                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM,
1121 #if __FreeBSD_version > 700025
1122                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1123 #else
1124                                 hpt_pci_intr, vbus_ext, &hba->irq_handle))
1125 #endif
1126                         {
1127                                 os_printk("can't set up interrupt");
1128                                 return ;
1129                         }
1130                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1131
1132                 }
1133
1134                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1135                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1136                 if (!vbus_ext->shutdown_eh)
1137                         os_printk("Shutdown event registration failed");
1138         }
1139
1140         ldm_for_each_vbus(vbus, vbus_ext) {
1141                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1142                 if (vbus_ext->tasks)
1143                         TASK_ENQUEUE(&vbus_ext->worker);
1144         }
1145
1146         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1147             S_IRUSR | S_IWUSR, "%s", driver_name);
1148 }
1149
1150 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000)
1151
1152 typedef struct driverlink *driverlink_t;
1153 struct driverlink {
1154         kobj_class_t    driver;
1155         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1156 };
1157
1158 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1159
1160 struct devclass {
1161         TAILQ_ENTRY(devclass) link;
1162         devclass_t      parent;         /* parent in devclass hierarchy */
1163         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1164         char            *name;
1165         device_t        *devices;       /* array of devices indexed by unit */
1166         int             maxunit;        /* size of devices array */
1167 };
1168
1169 static void override_kernel_driver(void)
1170 {
1171         driverlink_t dl, dlfirst;
1172         driver_t *tmpdriver;
1173         devclass_t dc = devclass_find("pci");
1174
1175         if (dc){
1176                 dlfirst = TAILQ_FIRST(&dc->drivers);
1177                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1178                         if(strcmp(dl->driver->name, driver_name) == 0) {
1179                                 tmpdriver=dl->driver;
1180                                 dl->driver=dlfirst->driver;
1181                                 dlfirst->driver=tmpdriver;
1182                                 break;
1183                         }
1184                 }
1185         }
1186 }
1187
1188 #else
1189 #define override_kernel_driver()
1190 #endif
1191
1192 static void hpt_init(void *dummy)
1193 {
1194         if (bootverbose)
1195                 os_printk("%s %s", driver_name_long, driver_ver);
1196
1197         override_kernel_driver();
1198         init_config();
1199
1200         hpt_ich.ich_func = hpt_final_init;
1201         hpt_ich.ich_arg = NULL;
1202         if (config_intrhook_establish(&hpt_ich) != 0) {
1203                 printf("%s: cannot establish configuration hook\n",
1204                     driver_name_long);
1205         }
1206
1207 }
1208 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1209
1210 /*
1211  * CAM driver interface
1212  */
1213 static device_method_t driver_methods[] = {
1214         /* Device interface */
1215         DEVMETHOD(device_probe,         hpt_probe),
1216         DEVMETHOD(device_attach,        hpt_attach),
1217         DEVMETHOD(device_detach,        hpt_detach),
1218         DEVMETHOD(device_shutdown,      hpt_shutdown),
1219         { 0, 0 }
1220 };
1221
1222 static driver_t hpt_pci_driver = {
1223         driver_name,
1224         driver_methods,
1225         sizeof(HBA)
1226 };
1227
1228 static devclass_t       hpt_devclass;
1229
1230 #ifndef TARGETNAME
1231 #error "no TARGETNAME found"
1232 #endif
1233
1234 /* use this to make TARGETNAME be expanded */
1235 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1236 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1237 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1238 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1239 __MODULE_VERSION(TARGETNAME, 1);
1240 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1241
1242 #if __FreeBSD_version>503000
1243 typedef struct cdev * ioctl_dev_t;
1244 #else
1245 typedef dev_t ioctl_dev_t;
1246 #endif
1247
1248 #if __FreeBSD_version >= 500000
1249 typedef struct thread * ioctl_thread_t;
1250 #else
1251 typedef struct proc *   ioctl_thread_t;
1252 #endif
1253
1254 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1255 {
1256         return 0;
1257 }
1258
1259 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1260 {
1261         return 0;
1262 }
1263
1264 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td)
1265 {
1266         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1267         IOCTL_ARG ioctl_args;
1268         HPT_U32 bytesReturned;
1269
1270         switch (cmd){
1271         case HPT_DO_IOCONTROL:
1272         {
1273                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1274                         KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1275                                 piop->dwIoControlCode,
1276                                 piop->lpInBuffer,
1277                                 piop->nInBufferSize,
1278                                 piop->lpOutBuffer,
1279                                 piop->nOutBufferSize));
1280
1281                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1282
1283                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1284                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1285                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1286                 ioctl_args.lpBytesReturned = &bytesReturned;
1287
1288                 if (ioctl_args.nInBufferSize) {
1289                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1290                         if (!ioctl_args.lpInBuffer)
1291                                 goto invalid;
1292                         if (copyin((void*)piop->lpInBuffer,
1293                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1294                                 goto invalid;
1295                 }
1296
1297                 if (ioctl_args.nOutBufferSize) {
1298                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1299                         if (!ioctl_args.lpOutBuffer)
1300                                 goto invalid;
1301                 }
1302
1303 #if (__FreeBSD_version >= 500000)
1304                 mtx_lock(&Giant);
1305 #endif
1306
1307                 hpt_do_ioctl(&ioctl_args);
1308
1309 #if (__FreeBSD_version >= 500000)
1310                 mtx_unlock(&Giant);
1311 #endif
1312
1313                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1314                         if (piop->nOutBufferSize) {
1315                                 if (copyout(ioctl_args.lpOutBuffer,
1316                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1317                                         goto invalid;
1318                         }
1319                         if (piop->lpBytesReturned) {
1320                                 if (copyout(&bytesReturned,
1321                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1322                                         goto invalid;
1323                         }
1324                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1325                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1326                         return 0;
1327                 }
1328 invalid:
1329                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1330                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1331                 return EFAULT;
1332         }
1333         return EFAULT;
1334         }
1335
1336         case HPT_SCAN_BUS:
1337         {
1338                 return hpt_rescan_bus();
1339         }
1340         default:
1341                 KdPrint(("invalid command!"));
1342                 return EFAULT;
1343         }
1344
1345 }
1346
1347 static int      hpt_rescan_bus(void)
1348 {
1349         union ccb                       *ccb;
1350         PVBUS                           vbus;
1351         PVBUS_EXT                       vbus_ext;
1352
1353         mtx_lock(&Giant);
1354
1355         ldm_for_each_vbus(vbus, vbus_ext) {
1356                 if ((ccb = xpt_alloc_ccb()) == NULL)
1357                 {
1358                         return(ENOMEM);
1359                 }
1360                 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1361                         CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1362                 {
1363                         xpt_free_ccb(ccb);
1364                         return(EIO);
1365                 }
1366                 xpt_rescan(ccb);
1367         }
1368         mtx_unlock(&Giant);
1369         return(0);
1370 }
1371