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 (BUS_PROBE_DEFAULT);
  65                         }
  66                 }
  67         }
  68
  69         return (ENXIO);
  70 }
  71
  72 static int hpt_attach(device_t dev)
  73 {
  74         PHBA hba = (PHBA)device_get_softc(dev);
  75         HIM *him = hba->ldm_adapter.him;
  76         PCI_ID pci_id;
  77         HPT_UINT size;
  78         PVBUS vbus;
  79         PVBUS_EXT vbus_ext;
  80
  81         KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
  82
  83 #if __FreeBSD_version >=440000
  84         pci_enable_busmaster(dev);
  85 #endif
  86
  87         pci_id.vid = pci_get_vendor(dev);
  88         pci_id.did = pci_get_device(dev);
  89         pci_id.rev = pci_get_revid(dev);
  90
  91         size = him->get_adapter_size(&pci_id);
  92         hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
  93         if (!hba->ldm_adapter.him_handle)
  94                 return ENXIO;
  95
  96         hba->pcidev = dev;
  97         hba->pciaddr.tree = 0;
  98         hba->pciaddr.bus = pci_get_bus(dev);
  99         hba->pciaddr.device = pci_get_slot(dev);
 100         hba->pciaddr.function = pci_get_function(dev);
 101
 102         if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
 103                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 104                 return -1;
 105         }
 106
 107         os_printk("adapter at PCI %d:%d:%d, IRQ %d",
 108                 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
 109
 110         if (!ldm_register_adapter(&hba->ldm_adapter)) {
 111                 size = ldm_get_vbus_size();
 112                 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
 113                 if (!vbus_ext) {
 114                         free(hba->ldm_adapter.him_handle, M_DEVBUF);
 115                         return -1;
 116                 }
 117                 memset(vbus_ext, 0, sizeof(VBUS_EXT));
 118                 vbus_ext->ext_type = EXT_TYPE_VBUS;
 119                 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
 120                 ldm_register_adapter(&hba->ldm_adapter);
 121         }
 122
 123         ldm_for_each_vbus(vbus, vbus_ext) {
 124                 if (hba->ldm_adapter.vbus==vbus) {
 125                         hba->vbus_ext = vbus_ext;
 126                         hba->next = vbus_ext->hba_list;
 127                         vbus_ext->hba_list = hba;
 128                         break;
 129                 }
 130         }
 131         return 0;
 132 }
 133
 134 /*
 135  * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
 136  * but there are some problems currently (alignment, etc).
 137  */
 138 static __inline void *__get_free_pages(int order)
 139 {
 140         /* don't use low memory - other devices may get starved */
 141         return contigmalloc(PAGE_SIZE<<order,
 142                         M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
 143 }
 144
 145 static __inline void free_pages(void *p, int order)
 146 {
 147         contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
 148 }
 149
 150 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
 151 {
 152         PHBA hba;
 153         struct freelist *f;
 154         HPT_UINT i;
 155         void **p;
 156
 157         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 158                 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
 159
 160         ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
 161
 162         for (f=vbus_ext->freelist_head; f; f=f->next) {
 163                 KdPrint(("%s: %d*%d=%d bytes",
 164                         f->tag, f->count, f->size, f->count*f->size));
 165                 for (i=0; i<f->count; i++) {
 166                         p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
 167                         if (!p) return (ENXIO);
 168                         *p = f->head;
 169                         f->head = p;
 170                 }
 171         }
 172
 173         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 174                 int order, size, j;
 175
 176                 HPT_ASSERT((f->size & (f->alignment-1))==0);
 177
 178                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 179
 180                 KdPrint(("%s: %d*%d=%d bytes, order %d",
 181                         f->tag, f->count, f->size, f->count*f->size, order));
 182                 HPT_ASSERT(f->alignment<=PAGE_SIZE);
 183
 184                 for (i=0; i<f->count;) {
 185                         p = (void **)__get_free_pages(order);
 186                         if (!p) return -1;
 187                         for (j = size/f->size; j && i<f->count; i++,j--) {
 188                                 *p = f->head;
 189                                 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
 190                                 f->head = p;
 191                                 p = (void **)((unsigned long)p + f->size);
 192                         }
 193                 }
 194         }
 195
 196         HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
 197
 198         for (i=0; i<os_max_cache_pages; i++) {
 199                 p = (void **)__get_free_pages(0);
 200                 if (!p) return -1;
 201                 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
 202                 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
 203         }
 204
 205         return 0;
 206 }
 207
 208 static void hpt_free_mem(PVBUS_EXT vbus_ext)
 209 {
 210         struct freelist *f;
 211         void *p;
 212         int i;
 213         BUS_ADDRESS bus;
 214
 215         for (f=vbus_ext->freelist_head; f; f=f->next) {
 216 #if DBG
 217                 if (f->count!=f->reserved_count) {
 218                         KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 219                 }
 220 #endif
 221                 while ((p=freelist_get(f)))
 222                         free(p, M_DEVBUF);
 223         }
 224
 225         for (i=0; i<os_max_cache_pages; i++) {
 226                 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
 227                 HPT_ASSERT(p);
 228                 free_pages(p, 0);
 229         }
 230
 231         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 232                 int order, size;
 233 #if DBG
 234                 if (f->count!=f->reserved_count) {
 235                         KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 236                 }
 237 #endif
 238                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 239
 240                 while ((p=freelist_get_dma(f, &bus))) {
 241                         if (order)
 242                                 free_pages(p, order);
 243                         else {
 244                         /* can't free immediately since other blocks in this page may still be in the list */
 245                                 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
 246                                         dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
 247                         }
 248                 }
 249         }
 250
 251         while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
 252                 free_pages(p, 0);
 253 }
 254
 255 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
 256 {
 257         PHBA hba;
 258
 259         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 260                 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
 261                         KdPrint(("fail to initialize %p", hba));
 262                         return -1;
 263                 }
 264
 265         ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
 266         return 0;
 267 }
 268
 269 static void hpt_flush_done(PCOMMAND pCmd)
 270 {
 271         PVDEV vd = pCmd->target;
 272
 273         if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
 274                 vd = vd->u.array.transform->target;
 275                 HPT_ASSERT(vd);
 276                 pCmd->target = vd;
 277                 pCmd->Result = RETURN_PENDING;
 278                 vdev_queue_cmd(pCmd);
 279                 return;
 280         }
 281
 282         *(int *)pCmd->priv = 1;
 283         wakeup(pCmd);
 284 }
 285
 286 /*
 287  * flush a vdev (without retry).
 288  */
 289 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 290 {
 291         PCOMMAND pCmd;
 292         int result = 0, done;
 293         HPT_UINT count;
 294
 295         KdPrint(("flusing dev %p", vd));
 296
 297         hpt_lock_vbus(vbus_ext);
 298
 299         if (mIsArray(vd->type) && vd->u.array.transform)
 300                 count = MAX(vd->u.array.transform->source->cmds_per_request,
 301                                         vd->u.array.transform->target->cmds_per_request);
 302         else
 303                 count = vd->cmds_per_request;
 304
 305         pCmd = ldm_alloc_cmds(vd->vbus, count);
 306
 307         if (!pCmd) {
 308                 hpt_unlock_vbus(vbus_ext);
 309                 return -1;
 310         }
 311
 312         pCmd->type = CMD_TYPE_FLUSH;
 313         pCmd->flags.hard_flush = 1;
 314         pCmd->target = vd;
 315         pCmd->done = hpt_flush_done;
 316         done = 0;
 317         pCmd->priv = &done;
 318
 319         ldm_queue_cmd(pCmd);
 320
 321         if (!done) {
 322                 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
 323                         ldm_reset_vbus(vd->vbus);
 324                 }
 325         }
 326
 327         KdPrint(("flush result %d", pCmd->Result));
 328
 329         if (pCmd->Result!=RETURN_SUCCESS)
 330                 result = -1;
 331
 332         ldm_free_cmds(pCmd);
 333
 334         hpt_unlock_vbus(vbus_ext);
 335
 336         return result;
 337 }
 338
 339 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
 340 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
 341 {
 342         PVBUS     vbus = (PVBUS)vbus_ext->vbus;
 343         PHBA hba;
 344         int i;
 345
 346         KdPrint(("hpt_shutdown_vbus"));
 347
 348         /* stop all ctl tasks and disable the worker taskqueue */
 349         hpt_stop_tasks(vbus_ext);
 350         vbus_ext->worker.ta_context = 0;
 351
 352         /* flush devices */
 353         for (i=0; i<osm_max_targets; i++) {
 354                 PVDEV vd = ldm_find_target(vbus, i);
 355                 if (vd) {
 356                         /* retry once */
 357                         if (hpt_flush_vdev(vbus_ext, vd))
 358                                 hpt_flush_vdev(vbus_ext, vd);
 359                 }
 360         }
 361
 362         hpt_lock_vbus(vbus_ext);
 363         ldm_shutdown(vbus);
 364         hpt_unlock_vbus(vbus_ext);
 365
 366         ldm_release_vbus(vbus);
 367
 368         for (hba=vbus_ext->hba_list; hba; hba=hba->next)
 369                 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
 370
 371         hpt_free_mem(vbus_ext);
 372
 373         while ((hba=vbus_ext->hba_list)) {
 374                 vbus_ext->hba_list = hba->next;
 375                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 376         }
 377
 378         free(vbus_ext, M_DEVBUF);
 379         KdPrint(("hpt_shutdown_vbus done"));
 380 }
 381
 382 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
 383 {
 384         OSM_TASK *tasks;
 385
 386         tasks = vbus_ext->tasks;
 387         vbus_ext->tasks = 0;
 388
 389         while (tasks) {
 390                 OSM_TASK *t = tasks;
 391                 tasks = t->next;
 392                 t->next = 0;
 393                 t->func(vbus_ext->vbus, t->data);
 394         }
 395 }
 396
 397 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
 398 {
 399         if(vbus_ext){
 400                 hpt_lock_vbus(vbus_ext);
 401                 __hpt_do_tasks(vbus_ext);
 402                 hpt_unlock_vbus(vbus_ext);
 403         }
 404 }
 405
 406 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
 407 static void hpt_poll(struct cam_sim *sim);
 408 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
 409 static void hpt_pci_intr(void *arg);
 410
 411 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
 412 {
 413         POS_CMDEXT p = vbus_ext->cmdext_list;
 414         if (p)
 415                 vbus_ext->cmdext_list = p->next;
 416         return p;
 417 }
 418
 419 static __inline void cmdext_put(POS_CMDEXT p)
 420 {
 421         p->next = p->vbus_ext->cmdext_list;
 422         p->vbus_ext->cmdext_list = p;
 423 }
 424
 425 static void hpt_timeout(void *arg)
 426 {
 427         PCOMMAND pCmd = (PCOMMAND)arg;
 428         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 429
 430         KdPrint(("pCmd %p timeout", pCmd));
 431
 432         ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
 433 }
 434
 435 static void os_cmddone(PCOMMAND pCmd)
 436 {
 437         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 438         union ccb *ccb = ext->ccb;
 439
 440         KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
 441
 442         untimeout(hpt_timeout, pCmd, ccb->ccb_h.timeout_ch);
 443
 444         switch(pCmd->Result) {
 445         case RETURN_SUCCESS:
 446                 ccb->ccb_h.status = CAM_REQ_CMP;
 447                 break;
 448         case RETURN_BAD_DEVICE:
 449                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 450                 break;
 451         case RETURN_DEVICE_BUSY:
 452                 ccb->ccb_h.status = CAM_BUSY;
 453                 break;
 454         case RETURN_INVALID_REQUEST:
 455                 ccb->ccb_h.status = CAM_REQ_INVALID;
 456                 break;
 457         case RETURN_SELECTION_TIMEOUT:
 458                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 459                 break;
 460         case RETURN_RETRY:
 461                 ccb->ccb_h.status = CAM_BUSY;
 462                 break;
 463         default:
 464                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 465                 break;
 466         }
 467
 468         if (pCmd->flags.data_in) {
 469                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
 470         }
 471         else if (pCmd->flags.data_out) {
 472                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
 473         }
 474
 475         bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
 476
 477         cmdext_put(ext);
 478         ldm_free_cmds(pCmd);
 479         xpt_done(ccb);
 480 }
 481
 482 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
 483 {
 484         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 485         union ccb *ccb = ext->ccb;
 486
 487         if (logical) {
 488                 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
 489                 pSg->size = ccb->csio.dxfer_len;
 490                 pSg->eot = 1;
 491                 return TRUE;
 492         }
 493
 494         /* since we have provided physical sg, nobody will ask us to build physical sg */
 495         HPT_ASSERT(0);
 496         return FALSE;
 497 }
 498
 499 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 500 {
 501         PCOMMAND pCmd = (PCOMMAND)arg;
 502         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 503         PSG psg = pCmd->psg;
 504         int idx;
 505
 506         HPT_ASSERT(pCmd->flags.physical_sg);
 507
 508         if (error)
 509                 panic("busdma error");
 510
 511         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 512
 513         if (nsegs != 0) {
 514                 for (idx = 0; idx < nsegs; idx++, psg++) {
 515                         psg->addr.bus = segs[idx].ds_addr;
 516                         psg->size = segs[idx].ds_len;
 517                         psg->eot = 0;
 518                 }
 519                         psg[-1].eot = 1;
 520
 521                 if (pCmd->flags.data_in) {
 522                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 523                             BUS_DMASYNC_PREREAD);
 524                 }
 525                 else if (pCmd->flags.data_out) {
 526                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 527                             BUS_DMASYNC_PREWRITE);
 528                 }
 529         }
 530         ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 531         ldm_queue_cmd(pCmd);
 532 }
 533
 534 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 535 {
 536         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 537         PVDEV vd;
 538         PCOMMAND pCmd;
 539         POS_CMDEXT ext;
 540         HPT_U8 *cdb;
 541
 542         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 543                 cdb = ccb->csio.cdb_io.cdb_ptr;
 544         else
 545                 cdb = ccb->csio.cdb_io.cdb_bytes;
 546
 547         KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 548                 ccb,
 549                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 550                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 551         ));
 552
 553         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 554         if (ccb->ccb_h.target_lun != 0 ||
 555                 ccb->ccb_h.target_id >= osm_max_targets ||
 556                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 557         {
 558                 ccb->ccb_h.status = CAM_TID_INVALID;
 559                 xpt_done(ccb);
 560                 return;
 561         }
 562
 563         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 564
 565         if (!vd) {
 566                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 567                 xpt_done(ccb);
 568                 return;
 569         }
 570
 571         switch (cdb[0]) {
 572         case TEST_UNIT_READY:
 573         case START_STOP_UNIT:
 574         case SYNCHRONIZE_CACHE:
 575                 ccb->ccb_h.status = CAM_REQ_CMP;
 576                 break;
 577
 578         case INQUIRY:
 579                 {
 580                         PINQUIRYDATA inquiryData;
 581                         memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 582                         inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 583
 584                         inquiryData->AdditionalLength = 31;
 585                         inquiryData->CommandQueue = 1;
 586                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 587                         memcpy(&inquiryData->ProductId, "DISK 0_0        ", 16);
 588
 589                         if (vd->target_id / 10) {
 590                                 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
 591                                 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
 592                         }
 593                         else
 594                                 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
 595
 596                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 597
 598                         ccb->ccb_h.status = CAM_REQ_CMP;
 599                 }
 600                 break;
 601
 602         case READ_CAPACITY:
 603         {
 604                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 605                 HPT_U32 cap;
 606
 607                 if (vd->capacity>0xfffffffful)
 608                         cap = 0xfffffffful;
 609                 else
 610                         cap = vd->capacity - 1;
 611
 612                 rbuf[0] = (HPT_U8)(cap>>24);
 613                 rbuf[1] = (HPT_U8)(cap>>16);
 614                 rbuf[2] = (HPT_U8)(cap>>8);
 615                 rbuf[3] = (HPT_U8)cap;
 616                 rbuf[4] = 0;
 617                 rbuf[5] = 0;
 618                 rbuf[6] = 2;
 619                 rbuf[7] = 0;
 620
 621                 ccb->ccb_h.status = CAM_REQ_CMP;
 622                 break;
 623         }
 624
 625         case SERVICE_ACTION_IN:
 626         {
 627                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 628                 HPT_U64 cap = vd->capacity - 1;
 629
 630                 rbuf[0] = (HPT_U8)(cap>>56);
 631                 rbuf[1] = (HPT_U8)(cap>>48);
 632                 rbuf[2] = (HPT_U8)(cap>>40);
 633                 rbuf[3] = (HPT_U8)(cap>>32);
 634                 rbuf[4] = (HPT_U8)(cap>>24);
 635                 rbuf[5] = (HPT_U8)(cap>>16);
 636                 rbuf[6] = (HPT_U8)(cap>>8);
 637                 rbuf[7] = (HPT_U8)cap;
 638                 rbuf[8] = 0;
 639                 rbuf[9] = 0;
 640                 rbuf[10] = 2;
 641                 rbuf[11] = 0;
 642
 643                 ccb->ccb_h.status = CAM_REQ_CMP;
 644                 break;
 645         }
 646
 647         case READ_6:
 648         case READ_10:
 649         case READ_16:
 650         case WRITE_6:
 651         case WRITE_10:
 652         case WRITE_16:
 653         case 0x13:
 654         case 0x2f:
 655         {
 656                 int error;
 657
 658                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 659                 if(!pCmd){
 660                         KdPrint(("Failed to allocate command!"));
 661                         ccb->ccb_h.status = CAM_BUSY;
 662                         break;
 663                 }
 664
 665                 switch (cdb[0]) {
 666                 case READ_6:
 667                 case WRITE_6:
 668                 case 0x13:
 669                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
 670                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
 671                         break;
 672                 case READ_16:
 673                 case WRITE_16:
 674                 {
 675                         HPT_U64 block =
 676                                 ((HPT_U64)cdb[2]<<56) |
 677                                 ((HPT_U64)cdb[3]<<48) |
 678                                 ((HPT_U64)cdb[4]<<40) |
 679                                 ((HPT_U64)cdb[5]<<32) |
 680                                 ((HPT_U64)cdb[6]<<24) |
 681                                 ((HPT_U64)cdb[7]<<16) |
 682                                 ((HPT_U64)cdb[8]<<8) |
 683                                 ((HPT_U64)cdb[9]);
 684                         pCmd->uCmd.Ide.Lba = block;
 685                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
 686                         break;
 687                 }
 688
 689                 default:
 690                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
 691                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
 692                         break;
 693                 }
 694
 695                 switch (cdb[0]) {
 696                 case READ_6:
 697                 case READ_10:
 698                 case READ_16:
 699                         pCmd->flags.data_in = 1;
 700                         break;
 701                 case WRITE_6:
 702                 case WRITE_10:
 703                 case WRITE_16:
 704                         pCmd->flags.data_out = 1;
 705                         break;
 706                 }
 707                 pCmd->priv = ext = cmdext_get(vbus_ext);
 708                 HPT_ASSERT(ext);
 709                 ext->ccb = ccb;
 710                 pCmd->target = vd;
 711                 pCmd->done = os_cmddone;
 712                 pCmd->buildsgl = os_buildsgl;
 713                 pCmd->psg = ext->psg;
 714                 pCmd->flags.physical_sg = 1;
 715                 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
 716                                         ext->dma_map,
 717                                         ccb,
 718                                         hpt_io_dmamap_callback, pCmd,
 719                                         BUS_DMA_WAITOK
 720                                         );
 721                 KdPrint(("bus_dmamap_load return %d", error));
 722                 if (error && error!=EINPROGRESS) {
 723                         os_printk("bus_dmamap_load error %d", error);
 724                         cmdext_put(ext);
 725                         ldm_free_cmds(pCmd);
 726                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 727                         xpt_done(ccb);
 728                 }
 729                 return;
 730         }
 731
 732         default:
 733                 ccb->ccb_h.status = CAM_REQ_INVALID;
 734                 break;
 735         }
 736
 737         xpt_done(ccb);
 738         return;
 739 }
 740
 741 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
 742 {
 743         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 744
 745         KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
 746
 747         switch (ccb->ccb_h.func_code) {
 748
 749         case XPT_SCSI_IO:
 750                 hpt_lock_vbus(vbus_ext);
 751                 hpt_scsi_io(vbus_ext, ccb);
 752                 hpt_unlock_vbus(vbus_ext);
 753                 return;
 754
 755         case XPT_RESET_BUS:
 756                 hpt_lock_vbus(vbus_ext);
 757                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 758                 hpt_unlock_vbus(vbus_ext);
 759                 break;
 760
 761         case XPT_GET_TRAN_SETTINGS:
 762         case XPT_SET_TRAN_SETTINGS:
 763                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 764                 break;
 765
 766         case XPT_CALC_GEOMETRY:
 767 #if __FreeBSD_version >= 500000
 768                 cam_calc_geometry(&ccb->ccg, 1);
 769 #else
 770                 ccb->ccg.heads = 255;
 771                 ccb->ccg.secs_per_track = 63;
 772                 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
 773                 ccb->ccb_h.status = CAM_REQ_CMP;
 774 #endif
 775                 break;
 776
 777         case XPT_PATH_INQ:
 778         {
 779                 struct ccb_pathinq *cpi = &ccb->cpi;
 780
 781                 cpi->version_num = 1;
 782                 cpi->hba_inquiry = PI_SDTR_ABLE;
 783                 cpi->target_sprt = 0;
 784                 cpi->hba_misc = PIM_NOBUSRESET;
 785                 cpi->hba_eng_cnt = 0;
 786                 cpi->max_target = osm_max_targets;
 787                 cpi->max_lun = 0;
 788                 cpi->unit_number = cam_sim_unit(sim);
 789                 cpi->bus_id = cam_sim_bus(sim);
 790                 cpi->initiator_id = osm_max_targets;
 791                 cpi->base_transfer_speed = 3300;
 792
 793                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 794                 strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
 795                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 796                 cpi->transport = XPORT_SPI;
 797                 cpi->transport_version = 2;
 798                 cpi->protocol = PROTO_SCSI;
 799                 cpi->protocol_version = SCSI_REV_2;
 800                 cpi->ccb_h.status = CAM_REQ_CMP;
 801                 break;
 802         }
 803
 804         default:
 805                 ccb->ccb_h.status = CAM_REQ_INVALID;
 806                 break;
 807         }
 808
 809         xpt_done(ccb);
 810         return;
 811 }
 812
 813 static void hpt_pci_intr(void *arg)
 814 {
 815         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
 816         hpt_lock_vbus(vbus_ext);
 817         ldm_intr((PVBUS)vbus_ext->vbus);
 818         hpt_unlock_vbus(vbus_ext);
 819 }
 820
 821 static void hpt_poll(struct cam_sim *sim)
 822 {
 823         hpt_pci_intr(cam_sim_softc(sim));
 824 }
 825
 826 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
 827 {
 828         KdPrint(("hpt_async"));
 829 }
 830
 831 static int hpt_shutdown(device_t dev)
 832 {
 833         KdPrint(("hpt_shutdown(dev=%p)", dev));
 834         return 0;
 835 }
 836
 837 static int hpt_detach(device_t dev)
 838 {
 839         /* we don't allow the driver to be unloaded. */
 840         return EBUSY;
 841 }
 842
 843 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
 844 {
 845         arg->ioctl_cmnd = 0;
 846         wakeup(arg);
 847 }
 848
 849 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
 850 {
 851         ioctl_args->result = -1;
 852         ioctl_args->done = hpt_ioctl_done;
 853         ioctl_args->ioctl_cmnd = (void *)1;
 854
 855         hpt_lock_vbus(vbus_ext);
 856         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
 857
 858         while (ioctl_args->ioctl_cmnd) {
 859                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
 860                         break;
 861                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 862                 __hpt_do_tasks(vbus_ext);
 863         }
 864
 865         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
 866
 867         hpt_unlock_vbus(vbus_ext);
 868 }
 869
 870 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
 871 {
 872         PVBUS vbus;
 873         PVBUS_EXT vbus_ext;
 874
 875         ldm_for_each_vbus(vbus, vbus_ext) {
 876                 __hpt_do_ioctl(vbus_ext, ioctl_args);
 877                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
 878                         return;
 879         }
 880 }
 881
 882 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
 883         IOCTL_ARG arg;\
 884         arg.dwIoControlCode = code;\
 885         arg.lpInBuffer = inbuf;\
 886         arg.lpOutBuffer = outbuf;\
 887         arg.nInBufferSize = insize;\
 888         arg.nOutBufferSize = outsize;\
 889         arg.lpBytesReturned = 0;\
 890         hpt_do_ioctl(&arg);\
 891         arg.result;\
 892 })
 893
 894 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
 895
 896 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
 897 {
 898         int i;
 899         HPT_U32 count = nMaxCount-1;
 900
 901         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
 902                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
 903                 return -1;
 904
 905         nMaxCount = (int)pIds[0];
 906         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
 907         return nMaxCount;
 908 }
 909
 910 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
 911 {
 912         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
 913                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
 914 }
 915
 916 /* not belong to this file logically, but we want to use ioctl interface */
 917 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
 918 {
 919         LOGICAL_DEVICE_INFO_V3 devinfo;
 920         int i, result;
 921         DEVICEID param[2] = { id, 0 };
 922
 923         if (hpt_get_device_info_v3(id, &devinfo))
 924                 return -1;
 925
 926         if (devinfo.Type!=LDT_ARRAY)
 927                 return -1;
 928
 929         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
 930                 param[1] = AS_REBUILD_ABORT;
 931         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
 932                 param[1] = AS_VERIFY_ABORT;
 933         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
 934                 param[1] = AS_INITIALIZE_ABORT;
 935         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
 936                 param[1] = AS_TRANSFORM_ABORT;
 937         else
 938                 return -1;
 939
 940         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
 941         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
 942                                 param, sizeof(param), 0, 0);
 943
 944         for (i=0; i<devinfo.u.array.nDisk; i++)
 945                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
 946                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
 947
 948         return result;
 949 }
 950
 951 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
 952 {
 953         DEVICEID ids[32];
 954         int i, count;
 955
 956         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
 957
 958         for (i=0; i<count; i++)
 959                 __hpt_stop_tasks(vbus_ext, ids[i]);
 960 }
 961
 962 static  d_open_t        hpt_open;
 963 static  d_close_t       hpt_close;
 964 static  d_ioctl_t       hpt_ioctl;
 965 static  int             hpt_rescan_bus(void);
 966
 967 static struct cdevsw hpt_cdevsw = {
 968         .d_open =       hpt_open,
 969         .d_close =      hpt_close,
 970         .d_ioctl =      hpt_ioctl,
 971         .d_name =       driver_name,
 972 #if __FreeBSD_version>=503000
 973         .d_version =    D_VERSION,
 974 #endif
 975 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034)
 976         .d_flags =      D_NEEDGIANT,
 977 #endif
 978 #if __FreeBSD_version<600034
 979 #if __FreeBSD_version>501000
 980         .d_maj =        MAJOR_AUTO,
 981 #else
 982         .d_maj = HPT_DEV_MAJOR,
 983 #endif
 984 #endif
 985 };
 986
 987 static struct intr_config_hook hpt_ich;
 988
 989 /*
 990  * hpt_final_init will be called after all hpt_attach.
 991  */
 992 static void hpt_final_init(void *dummy)
 993 {
 994         int       i;
 995         PVBUS_EXT vbus_ext;
 996         PVBUS vbus;
 997         PHBA hba;
 998
 999         /* Clear the config hook */
1000         config_intrhook_disestablish(&hpt_ich);
1001
1002         /* allocate memory */
1003         i = 0;
1004         ldm_for_each_vbus(vbus, vbus_ext) {
1005                 if (hpt_alloc_mem(vbus_ext)) {
1006                         os_printk("out of memory");
1007                         return;
1008                 }
1009                 i++;
1010         }
1011
1012         if (!i) {
1013                 if (bootverbose)
1014                         os_printk("no controller detected.");
1015                 return;
1016         }
1017
1018         /* initializing hardware */
1019         ldm_for_each_vbus(vbus, vbus_ext) {
1020                 /* make timer available here */
1021                 callout_handle_init(&vbus_ext->timer);
1022                 if (hpt_init_vbus(vbus_ext)) {
1023                         os_printk("fail to initialize hardware");
1024                         break; /* FIXME */
1025                 }
1026         }
1027
1028         /* register CAM interface */
1029         ldm_for_each_vbus(vbus, vbus_ext) {
1030                 struct cam_devq *devq;
1031                 struct ccb_setasync     ccb;
1032
1033 #if (__FreeBSD_version >= 500000)
1034                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1035 #endif
1036                 if (bus_dma_tag_create(NULL,/* parent */
1037                                 4,      /* alignment */
1038                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1039                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1040                                 BUS_SPACE_MAXADDR,      /* highaddr */
1041                                 NULL, NULL,             /* filter, filterarg */
1042                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1043                                 os_max_sg_descriptors,  /* nsegments */
1044                                 0x10000,        /* maxsegsize */
1045                                 BUS_DMA_WAITOK,         /* flags */
1046 #if __FreeBSD_version>502000
1047                                 busdma_lock_mutex,      /* lockfunc */
1048                                 &vbus_ext->lock,                /* lockfuncarg */
1049 #endif
1050                                 &vbus_ext->io_dmat      /* tag */))
1051                 {
1052                         return ;
1053                 }
1054
1055                 for (i=0; i<os_max_queue_comm; i++) {
1056                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1057                         if (!ext) {
1058                                 os_printk("Can't alloc cmdext(%d)", i);
1059                                 return ;
1060                         }
1061                         ext->vbus_ext = vbus_ext;
1062                         ext->next = vbus_ext->cmdext_list;
1063                         vbus_ext->cmdext_list = ext;
1064
1065                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1066                                 os_printk("Can't create dma map(%d)", i);
1067                                 return ;
1068                         }
1069                 }
1070
1071                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1072                         os_printk("cam_simq_alloc failed");
1073                         return ;
1074                 }
1075
1076 #if __FreeBSD_version > 700025
1077                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1078                                 vbus_ext, 0, &Giant, os_max_queue_comm, /*tagged*/8,  devq);
1079 #else
1080                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1081                                 vbus_ext, 0, os_max_queue_comm, /*tagged*/8,  devq);
1082 #endif
1083
1084                 if (!vbus_ext->sim) {
1085                         os_printk("cam_sim_alloc failed");
1086                         cam_simq_free(devq);
1087                         return ;
1088                 }
1089
1090 #if __FreeBSD_version > 700044
1091                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1092 #else
1093                 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1094 #endif
1095                         os_printk("xpt_bus_register failed");
1096                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1097                         vbus_ext->sim = NULL;
1098                         return ;
1099                 }
1100
1101                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1102                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1103                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1104                 {
1105                         os_printk("xpt_create_path failed");
1106                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1107                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1108                         vbus_ext->sim = NULL;
1109                         return ;
1110                 }
1111
1112                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1113                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1114                 ccb.event_enable = AC_LOST_DEVICE;
1115                 ccb.callback = hpt_async;
1116                 ccb.callback_arg = vbus_ext;
1117                 xpt_action((union ccb *)&ccb);
1118
1119                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1120                         int rid = 0;
1121                         if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1122                                 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1123                         {
1124                                 os_printk("can't allocate interrupt");
1125                                 return ;
1126                         }
1127
1128                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM,
1129 #if __FreeBSD_version > 700025
1130                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1131 #else
1132                                 hpt_pci_intr, vbus_ext, &hba->irq_handle))
1133 #endif
1134                         {
1135                                 os_printk("can't set up interrupt");
1136                                 return ;
1137                         }
1138                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1139                 }
1140
1141                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1142                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1143                 if (!vbus_ext->shutdown_eh)
1144                         os_printk("Shutdown event registration failed");
1145         }
1146
1147         ldm_for_each_vbus(vbus, vbus_ext) {
1148                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1149                 if (vbus_ext->tasks)
1150                         TASK_ENQUEUE(&vbus_ext->worker);
1151         }
1152
1153         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1154             S_IRUSR | S_IWUSR, "%s", driver_name);
1155 }
1156
1157 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000)
1158
1159 typedef struct driverlink *driverlink_t;
1160 struct driverlink {
1161         kobj_class_t    driver;
1162         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1163 };
1164
1165 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1166
1167 struct devclass {
1168         TAILQ_ENTRY(devclass) link;
1169         devclass_t      parent;         /* parent in devclass hierarchy */
1170         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1171         char            *name;
1172         device_t        *devices;       /* array of devices indexed by unit */
1173         int             maxunit;        /* size of devices array */
1174 };
1175
1176 static void override_kernel_driver(void)
1177 {
1178         driverlink_t dl, dlfirst;
1179         driver_t *tmpdriver;
1180         devclass_t dc = devclass_find("pci");
1181
1182         if (dc){
1183                 dlfirst = TAILQ_FIRST(&dc->drivers);
1184                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1185                         if(strcmp(dl->driver->name, driver_name) == 0) {
1186                                 tmpdriver=dl->driver;
1187                                 dl->driver=dlfirst->driver;
1188                                 dlfirst->driver=tmpdriver;
1189                                 break;
1190                         }
1191                 }
1192         }
1193 }
1194
1195 #else
1196 #define override_kernel_driver()
1197 #endif
1198
1199 static void hpt_init(void *dummy)
1200 {
1201         if (bootverbose)
1202                 os_printk("%s %s", driver_name_long, driver_ver);
1203
1204         override_kernel_driver();
1205         init_config();
1206
1207         hpt_ich.ich_func = hpt_final_init;
1208         hpt_ich.ich_arg = NULL;
1209         if (config_intrhook_establish(&hpt_ich) != 0) {
1210                 printf("%s: cannot establish configuration hook\n",
1211                     driver_name_long);
1212         }
1213
1214 }
1215 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1216
1217 /*
1218  * CAM driver interface
1219  */
1220 static device_method_t driver_methods[] = {
1221         /* Device interface */
1222         DEVMETHOD(device_probe,         hpt_probe),
1223         DEVMETHOD(device_attach,        hpt_attach),
1224         DEVMETHOD(device_detach,        hpt_detach),
1225         DEVMETHOD(device_shutdown,      hpt_shutdown),
1226         DEVMETHOD_END
1227 };
1228
1229 static driver_t hpt_pci_driver = {
1230         driver_name,
1231         driver_methods,
1232         sizeof(HBA)
1233 };
1234
1235 static devclass_t       hpt_devclass;
1236
1237 #ifndef TARGETNAME
1238 #error "no TARGETNAME found"
1239 #endif
1240
1241 /* use this to make TARGETNAME be expanded */
1242 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1243 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1244 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1245 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1246 __MODULE_VERSION(TARGETNAME, 1);
1247 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1248
1249 #if __FreeBSD_version>503000
1250 typedef struct cdev * ioctl_dev_t;
1251 #else
1252 typedef dev_t ioctl_dev_t;
1253 #endif
1254
1255 #if __FreeBSD_version >= 500000
1256 typedef struct thread * ioctl_thread_t;
1257 #else
1258 typedef struct proc *   ioctl_thread_t;
1259 #endif
1260
1261 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1262 {
1263         return 0;
1264 }
1265
1266 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1267 {
1268         return 0;
1269 }
1270
1271 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td)
1272 {
1273         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1274         IOCTL_ARG ioctl_args;
1275         HPT_U32 bytesReturned;
1276
1277         switch (cmd){
1278         case HPT_DO_IOCONTROL:
1279         {
1280                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1281                         KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1282                                 piop->dwIoControlCode,
1283                                 piop->lpInBuffer,
1284                                 piop->nInBufferSize,
1285                                 piop->lpOutBuffer,
1286                                 piop->nOutBufferSize));
1287
1288                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1289
1290                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1291                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1292                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1293                 ioctl_args.lpBytesReturned = &bytesReturned;
1294
1295                 if (ioctl_args.nInBufferSize) {
1296                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1297                         if (!ioctl_args.lpInBuffer)
1298                                 goto invalid;
1299                         if (copyin((void*)piop->lpInBuffer,
1300                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1301                                 goto invalid;
1302                 }
1303
1304                 if (ioctl_args.nOutBufferSize) {
1305                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1306                         if (!ioctl_args.lpOutBuffer)
1307                                 goto invalid;
1308                 }
1309
1310 #if (__FreeBSD_version >= 500000)
1311                 mtx_lock(&Giant);
1312 #endif
1313
1314                 hpt_do_ioctl(&ioctl_args);
1315
1316 #if (__FreeBSD_version >= 500000)
1317                 mtx_unlock(&Giant);
1318 #endif
1319
1320                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1321                         if (piop->nOutBufferSize) {
1322                                 if (copyout(ioctl_args.lpOutBuffer,
1323                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1324                                         goto invalid;
1325                         }
1326                         if (piop->lpBytesReturned) {
1327                                 if (copyout(&bytesReturned,
1328                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1329                                         goto invalid;
1330                         }
1331                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1332                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1333                         return 0;
1334                 }
1335 invalid:
1336                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1337                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1338                 return EFAULT;
1339         }
1340         return EFAULT;
1341         }
1342
1343         case HPT_SCAN_BUS:
1344         {
1345                 return hpt_rescan_bus();
1346         }
1347         default:
1348                 KdPrint(("invalid command!"));
1349                 return EFAULT;
1350         }
1351
1352 }
1353
1354 static int      hpt_rescan_bus(void)
1355 {
1356         union ccb                       *ccb;
1357         PVBUS                           vbus;
1358         PVBUS_EXT                       vbus_ext;
1359
1360 #if (__FreeBSD_version >= 500000)
1361         mtx_lock(&Giant);
1362 #endif
1363
1364         ldm_for_each_vbus(vbus, vbus_ext) {
1365                 if ((ccb = xpt_alloc_ccb()) == NULL)
1366                         return(ENOMEM);
1367                 if (xpt_create_path(&ccb->ccb_h.path, NULL,
1368                     cam_sim_path(vbus_ext->sim),
1369                     CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1370                         xpt_free_ccb(ccb);
1371                         return(EIO);
1372                 }
1373                 xpt_rescan(ccb);
1374         }
1375
1376 #if (__FreeBSD_version >= 500000)
1377         mtx_unlock(&Giant);
1378 #endif
1379
1380         return(0);
1381 }