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  * $FreeBSD$
  27  */
  28 #include <dev/hptrr/hptrr_config.h>
  29 /* $Id: osm_bsd.c,v 1.27 2007/11/22 07:35:49 gmm Exp $
  30  *
  31  * HighPoint RAID Driver for FreeBSD
  32  * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved.
  33  */
  34 #include <dev/hptrr/os_bsd.h>
  35 #include <dev/hptrr/hptintf.h>
  36
  37 static int hpt_probe(device_t dev)
  38 {
  39         PCI_ID pci_id;
  40         HIM *him;
  41         int i;
  42         PHBA hba;
  43
  44         for (him = him_list; him; him = him->next) {
  45                 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
  46                         if ((pci_get_vendor(dev) == pci_id.vid) &&
  47                                 (pci_get_device(dev) == pci_id.did)){
  48                                 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
  49                                         pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
  50                                 ));
  51                                 device_set_desc(dev, him->name);
  52                                 hba = (PHBA)device_get_softc(dev);
  53                                 memset(hba, 0, sizeof(HBA));
  54                                 hba->ext_type = EXT_TYPE_HBA;
  55                                 hba->ldm_adapter.him = him;
  56                                 return 0;
  57                         }
  58                 }
  59         }
  60
  61         return (ENXIO);
  62 }
  63
  64 static int hpt_attach(device_t dev)
  65 {
  66         PHBA hba = (PHBA)device_get_softc(dev);
  67         HIM *him = hba->ldm_adapter.him;
  68         PCI_ID pci_id;
  69         HPT_UINT size;
  70         PVBUS vbus;
  71         PVBUS_EXT vbus_ext;
  72
  73         KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
  74
  75 #if __FreeBSD_version >=440000
  76         pci_enable_busmaster(dev);
  77 #endif
  78
  79         pci_id.vid = pci_get_vendor(dev);
  80         pci_id.did = pci_get_device(dev);
  81         pci_id.rev = pci_get_revid(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                 KdPrint(("%s: %d*%d=%d bytes, order %d",
 173                         f->tag, f->count, f->size, f->count*f->size, order));
 174                 HPT_ASSERT(f->alignment<=PAGE_SIZE);
 175
 176                 for (i=0; i<f->count;) {
 177                         p = (void **)__get_free_pages(order);
 178                         if (!p) return -1;
 179                         for (j = size/f->size; j && i<f->count; i++,j--) {
 180                                 *p = f->head;
 181                                 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
 182                                 f->head = p;
 183                                 p = (void **)((unsigned long)p + f->size);
 184                         }
 185                 }
 186         }
 187
 188         HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
 189
 190         for (i=0; i<os_max_cache_pages; i++) {
 191                 p = (void **)__get_free_pages(0);
 192                 if (!p) return -1;
 193                 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
 194                 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
 195         }
 196
 197         return 0;
 198 }
 199
 200 static void hpt_free_mem(PVBUS_EXT vbus_ext)
 201 {
 202         struct freelist *f;
 203         void *p;
 204         int i;
 205         BUS_ADDRESS bus;
 206
 207         for (f=vbus_ext->freelist_head; f; f=f->next) {
 208 #if DBG
 209                 if (f->count!=f->reserved_count) {
 210                         KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 211                 }
 212 #endif
 213                 while ((p=freelist_get(f)))
 214                         free(p, M_DEVBUF);
 215         }
 216
 217         for (i=0; i<os_max_cache_pages; i++) {
 218                 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
 219                 HPT_ASSERT(p);
 220                 free_pages(p, 0);
 221         }
 222
 223         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 224                 int order, size;
 225 #if DBG
 226                 if (f->count!=f->reserved_count) {
 227                         KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 228                 }
 229 #endif
 230                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 231
 232                 while ((p=freelist_get_dma(f, &bus))) {
 233                         if (order)
 234                                 free_pages(p, order);
 235                         else {
 236                         /* can't free immediately since other blocks in this page may still be in the list */
 237                                 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
 238                                         dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
 239                         }
 240                 }
 241         }
 242
 243         while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
 244                 free_pages(p, 0);
 245 }
 246
 247 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
 248 {
 249         PHBA hba;
 250
 251         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 252                 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
 253                         KdPrint(("fail to initialize %p", hba));
 254                         return -1;
 255                 }
 256
 257         ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
 258         return 0;
 259 }
 260
 261 static void hpt_flush_done(PCOMMAND pCmd)
 262 {
 263         PVDEV vd = pCmd->target;
 264
 265         if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
 266                 vd = vd->u.array.transform->target;
 267                 HPT_ASSERT(vd);
 268                 pCmd->target = vd;
 269                 pCmd->Result = RETURN_PENDING;
 270                 vdev_queue_cmd(pCmd);
 271                 return;
 272         }
 273
 274         *(int *)pCmd->priv = 1;
 275         wakeup(pCmd);
 276 }
 277
 278 /*
 279  * flush a vdev (without retry).
 280  */
 281 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 282 {
 283         PCOMMAND pCmd;
 284         int result = 0, done;
 285         HPT_UINT count;
 286
 287         KdPrint(("flusing dev %p", vd));
 288
 289         hpt_lock_vbus(vbus_ext);
 290
 291         if (mIsArray(vd->type) && vd->u.array.transform)
 292                 count = MAX(vd->u.array.transform->source->cmds_per_request,
 293                                         vd->u.array.transform->target->cmds_per_request);
 294         else
 295                 count = vd->cmds_per_request;
 296
 297         pCmd = ldm_alloc_cmds(vd->vbus, count);
 298
 299         if (!pCmd) {
 300                 hpt_unlock_vbus(vbus_ext);
 301                 return -1;
 302         }
 303
 304         pCmd->type = CMD_TYPE_FLUSH;
 305         pCmd->flags.hard_flush = 1;
 306         pCmd->target = vd;
 307         pCmd->done = hpt_flush_done;
 308         done = 0;
 309         pCmd->priv = &done;
 310
 311         ldm_queue_cmd(pCmd);
 312
 313         if (!done) {
 314                 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
 315                         ldm_reset_vbus(vd->vbus);
 316                 }
 317         }
 318
 319         KdPrint(("flush result %d", pCmd->Result));
 320
 321         if (pCmd->Result!=RETURN_SUCCESS)
 322                 result = -1;
 323
 324         ldm_free_cmds(pCmd);
 325
 326         hpt_unlock_vbus(vbus_ext);
 327
 328         return result;
 329 }
 330
 331 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
 332 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
 333 {
 334         PVBUS     vbus = (PVBUS)vbus_ext->vbus;
 335         PHBA hba;
 336         int i;
 337
 338         KdPrint(("hpt_shutdown_vbus"));
 339
 340         /* stop all ctl tasks and disable the worker taskqueue */
 341         hpt_stop_tasks(vbus_ext);
 342         vbus_ext->worker.ta_context = 0;
 343
 344         /* flush devices */
 345         for (i=0; i<osm_max_targets; i++) {
 346                 PVDEV vd = ldm_find_target(vbus, i);
 347                 if (vd) {
 348                         /* retry once */
 349                         if (hpt_flush_vdev(vbus_ext, vd))
 350                                 hpt_flush_vdev(vbus_ext, vd);
 351                 }
 352         }
 353
 354         hpt_lock_vbus(vbus_ext);
 355         ldm_shutdown(vbus);
 356         hpt_unlock_vbus(vbus_ext);
 357
 358         ldm_release_vbus(vbus);
 359
 360         for (hba=vbus_ext->hba_list; hba; hba=hba->next)
 361                 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
 362
 363         hpt_free_mem(vbus_ext);
 364
 365         while ((hba=vbus_ext->hba_list)) {
 366                 vbus_ext->hba_list = hba->next;
 367                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 368         }
 369
 370         free(vbus_ext, M_DEVBUF);
 371         KdPrint(("hpt_shutdown_vbus done"));
 372 }
 373
 374 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
 375 {
 376         OSM_TASK *tasks;
 377
 378         tasks = vbus_ext->tasks;
 379         vbus_ext->tasks = 0;
 380
 381         while (tasks) {
 382                 OSM_TASK *t = tasks;
 383                 tasks = t->next;
 384                 t->next = 0;
 385                 t->func(vbus_ext->vbus, t->data);
 386         }
 387 }
 388
 389 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
 390 {
 391         if(vbus_ext){
 392                 hpt_lock_vbus(vbus_ext);
 393                 __hpt_do_tasks(vbus_ext);
 394                 hpt_unlock_vbus(vbus_ext);
 395         }
 396 }
 397
 398 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
 399 static void hpt_poll(struct cam_sim *sim);
 400 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
 401 static void hpt_pci_intr(void *arg);
 402
 403 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
 404 {
 405         POS_CMDEXT p = vbus_ext->cmdext_list;
 406         if (p)
 407                 vbus_ext->cmdext_list = p->next;
 408         return p;
 409 }
 410
 411 static __inline void cmdext_put(POS_CMDEXT p)
 412 {
 413         p->next = p->vbus_ext->cmdext_list;
 414         p->vbus_ext->cmdext_list = p;
 415 }
 416
 417 static void hpt_timeout(void *arg)
 418 {
 419         PCOMMAND pCmd = (PCOMMAND)arg;
 420         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 421
 422         KdPrint(("pCmd %p timeout", pCmd));
 423
 424         ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
 425 }
 426
 427 static void os_cmddone(PCOMMAND pCmd)
 428 {
 429         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 430         union ccb *ccb = ext->ccb;
 431
 432         KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
 433
 434         untimeout(hpt_timeout, pCmd, ccb->ccb_h.timeout_ch);
 435
 436         switch(pCmd->Result) {
 437         case RETURN_SUCCESS:
 438                 ccb->ccb_h.status = CAM_REQ_CMP;
 439                 break;
 440         case RETURN_BAD_DEVICE:
 441                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 442                 break;
 443         case RETURN_DEVICE_BUSY:
 444                 ccb->ccb_h.status = CAM_BUSY;
 445                 break;
 446         case RETURN_INVALID_REQUEST:
 447                 ccb->ccb_h.status = CAM_REQ_INVALID;
 448                 break;
 449         case RETURN_SELECTION_TIMEOUT:
 450                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 451                 break;
 452         case RETURN_RETRY:
 453                 ccb->ccb_h.status = CAM_BUSY;
 454                 break;
 455         default:
 456                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 457                 break;
 458         }
 459
 460         if (pCmd->flags.data_in) {
 461                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
 462         }
 463         else if (pCmd->flags.data_out) {
 464                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
 465         }
 466
 467         bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
 468
 469         cmdext_put(ext);
 470         ldm_free_cmds(pCmd);
 471         xpt_done(ccb);
 472 }
 473
 474 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
 475 {
 476         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 477         union ccb *ccb = ext->ccb;
 478         bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
 479         int idx;
 480
 481         if(logical)     {
 482                 if (ccb->ccb_h.flags & CAM_DATA_PHYS)
 483                         panic("physical address unsupported");
 484
 485                 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
 486                         if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
 487                                 panic("physical address unsupported");
 488
 489                         for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
 490                                 os_set_sgptr(&pSg[idx], (HPT_U8 *)(HPT_UPTR)sgList[idx].ds_addr);
 491                                 pSg[idx].size = sgList[idx].ds_len;
 492                                 pSg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
 493                         }
 494                 }
 495                 else {
 496                         os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
 497                         pSg->size = ccb->csio.dxfer_len;
 498                         pSg->eot = 1;
 499                 }
 500                 return TRUE;
 501         }
 502
 503         /* since we have provided physical sg, nobody will ask us to build physical sg */
 504         HPT_ASSERT(0);
 505         return FALSE;
 506 }
 507
 508 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 509 {
 510         PCOMMAND pCmd = (PCOMMAND)arg;
 511         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 512         PSG psg = pCmd->psg;
 513         int idx;
 514
 515         HPT_ASSERT(pCmd->flags.physical_sg);
 516
 517         if (error || nsegs == 0)
 518                 panic("busdma error");
 519
 520         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 521
 522         for (idx = 0; idx < nsegs; idx++, psg++) {
 523                 psg->addr.bus = segs[idx].ds_addr;
 524                 psg->size = segs[idx].ds_len;
 525                 psg->eot = 0;
 526         }
 527         psg[-1].eot = 1;
 528
 529         if (pCmd->flags.data_in) {
 530                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREREAD);
 531         }
 532         else if (pCmd->flags.data_out) {
 533                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREWRITE);
 534         }
 535
 536         ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 537         ldm_queue_cmd(pCmd);
 538 }
 539
 540 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 541 {
 542         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 543         PVDEV vd;
 544         PCOMMAND pCmd;
 545         POS_CMDEXT ext;
 546         HPT_U8 *cdb;
 547
 548         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 549                 cdb = ccb->csio.cdb_io.cdb_ptr;
 550         else
 551                 cdb = ccb->csio.cdb_io.cdb_bytes;
 552
 553         KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 554                 ccb,
 555                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 556                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 557         ));
 558
 559         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 560         if (ccb->ccb_h.target_lun != 0 ||
 561                 ccb->ccb_h.target_id >= osm_max_targets ||
 562                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 563         {
 564                 ccb->ccb_h.status = CAM_TID_INVALID;
 565                 xpt_done(ccb);
 566                 return;
 567         }
 568
 569         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 570
 571         if (!vd) {
 572                 ccb->ccb_h.status = CAM_TID_INVALID;
 573                 xpt_done(ccb);
 574                 return;
 575         }
 576
 577         switch (cdb[0]) {
 578         case TEST_UNIT_READY:
 579         case START_STOP_UNIT:
 580         case SYNCHRONIZE_CACHE:
 581                 ccb->ccb_h.status = CAM_REQ_CMP;
 582                 break;
 583
 584         case INQUIRY:
 585                 {
 586                         PINQUIRYDATA inquiryData;
 587                         memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 588                         inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 589
 590                         inquiryData->AdditionalLength = 31;
 591                         inquiryData->CommandQueue = 1;
 592                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 593                         memcpy(&inquiryData->ProductId, "DISK 0_0        ", 16);
 594
 595                         if (vd->target_id / 10) {
 596                                 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
 597                                 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
 598                         }
 599                         else
 600                                 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
 601
 602                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 603
 604                         ccb->ccb_h.status = CAM_REQ_CMP;
 605                 }
 606                 break;
 607
 608         case READ_CAPACITY:
 609         {
 610                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 611                 HPT_U32 cap;
 612
 613                 if (vd->capacity>0xfffffffful)
 614                         cap = 0xfffffffful;
 615                 else
 616                         cap = vd->capacity - 1;
 617
 618                 rbuf[0] = (HPT_U8)(cap>>24);
 619                 rbuf[1] = (HPT_U8)(cap>>16);
 620                 rbuf[2] = (HPT_U8)(cap>>8);
 621                 rbuf[3] = (HPT_U8)cap;
 622                 rbuf[4] = 0;
 623                 rbuf[5] = 0;
 624                 rbuf[6] = 2;
 625                 rbuf[7] = 0;
 626
 627                 ccb->ccb_h.status = CAM_REQ_CMP;
 628                 break;
 629         }
 630
 631         case SERVICE_ACTION_IN:
 632         {
 633                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 634                 HPT_U64 cap = vd->capacity - 1;
 635
 636                 rbuf[0] = (HPT_U8)(cap>>56);
 637                 rbuf[1] = (HPT_U8)(cap>>48);
 638                 rbuf[2] = (HPT_U8)(cap>>40);
 639                 rbuf[3] = (HPT_U8)(cap>>32);
 640                 rbuf[4] = (HPT_U8)(cap>>24);
 641                 rbuf[5] = (HPT_U8)(cap>>16);
 642                 rbuf[6] = (HPT_U8)(cap>>8);
 643                 rbuf[7] = (HPT_U8)cap;
 644                 rbuf[8] = 0;
 645                 rbuf[9] = 0;
 646                 rbuf[10] = 2;
 647                 rbuf[11] = 0;
 648
 649                 ccb->ccb_h.status = CAM_REQ_CMP;
 650                 break;
 651         }
 652
 653         case READ_6:
 654         case READ_10:
 655         case READ_16:
 656         case WRITE_6:
 657         case WRITE_10:
 658         case WRITE_16:
 659         case 0x13:
 660         case 0x2f:
 661         {
 662                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 663                 if(!pCmd){
 664                         KdPrint(("Failed to allocate command!"));
 665                         ccb->ccb_h.status = CAM_BUSY;
 666                         break;
 667                 }
 668
 669                 switch (cdb[0]) {
 670                 case READ_6:
 671                 case WRITE_6:
 672                 case 0x13:
 673                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
 674                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
 675                         break;
 676                 case READ_16:
 677                 case WRITE_16:
 678                 {
 679                         HPT_U64 block =
 680                                 ((HPT_U64)cdb[2]<<56) |
 681                                 ((HPT_U64)cdb[3]<<48) |
 682                                 ((HPT_U64)cdb[4]<<40) |
 683                                 ((HPT_U64)cdb[5]<<32) |
 684                                 ((HPT_U64)cdb[6]<<24) |
 685                                 ((HPT_U64)cdb[7]<<16) |
 686                                 ((HPT_U64)cdb[8]<<8) |
 687                                 ((HPT_U64)cdb[9]);
 688                         pCmd->uCmd.Ide.Lba = block;
 689                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
 690                         break;
 691                 }
 692
 693                 default:
 694                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
 695                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
 696                         break;
 697                 }
 698
 699                 switch (cdb[0]) {
 700                 case READ_6:
 701                 case READ_10:
 702                 case READ_16:
 703                         pCmd->flags.data_in = 1;
 704                         break;
 705                 case WRITE_6:
 706                 case WRITE_10:
 707                 case WRITE_16:
 708                         pCmd->flags.data_out = 1;
 709                         break;
 710                 }
 711                 pCmd->priv = ext = cmdext_get(vbus_ext);
 712                 HPT_ASSERT(ext);
 713                 ext->ccb = ccb;
 714                 pCmd->target = vd;
 715                 pCmd->done = os_cmddone;
 716                 pCmd->buildsgl = os_buildsgl;
 717
 718                 pCmd->psg = ext->psg;
 719
 720                 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
 721                         int idx;
 722                         bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
 723
 724                         if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
 725                                 pCmd->flags.physical_sg = 1;
 726
 727                         for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
 728                                 pCmd->psg[idx].addr.bus = sgList[idx].ds_addr;
 729                                 pCmd->psg[idx].size = sgList[idx].ds_len;
 730                                 pCmd->psg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
 731                         }
 732
 733                         ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 734                         ldm_queue_cmd(pCmd);
 735                 }
 736                 else {
 737                         int error;
 738                         pCmd->flags.physical_sg = 1;
 739                         error = bus_dmamap_load(vbus_ext->io_dmat,
 740                                                 ext->dma_map,
 741                                                 ccb->csio.data_ptr, ccb->csio.dxfer_len,
 742                                                 hpt_io_dmamap_callback, pCmd,
 743                                         BUS_DMA_WAITOK
 744                                         );
 745                         KdPrint(("bus_dmamap_load return %d", error));
 746                         if (error && error!=EINPROGRESS) {
 747                                 os_printk("bus_dmamap_load error %d", error);
 748                                 cmdext_put(ext);
 749                                 ldm_free_cmds(pCmd);
 750                                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 751                                 xpt_done(ccb);
 752                         }
 753                 }
 754                 return;
 755         }
 756
 757         default:
 758                 ccb->ccb_h.status = CAM_REQ_INVALID;
 759                 break;
 760         }
 761
 762         xpt_done(ccb);
 763         return;
 764 }
 765
 766 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
 767 {
 768         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 769
 770         KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
 771
 772         switch (ccb->ccb_h.func_code) {
 773
 774         case XPT_SCSI_IO:
 775                 hpt_lock_vbus(vbus_ext);
 776                 hpt_scsi_io(vbus_ext, ccb);
 777                 hpt_unlock_vbus(vbus_ext);
 778                 return;
 779
 780         case XPT_RESET_BUS:
 781                 hpt_lock_vbus(vbus_ext);
 782                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 783                 hpt_unlock_vbus(vbus_ext);
 784                 break;
 785
 786         case XPT_GET_TRAN_SETTINGS:
 787         case XPT_SET_TRAN_SETTINGS:
 788                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 789                 break;
 790
 791         case XPT_CALC_GEOMETRY:
 792                 ccb->ccg.heads = 255;
 793                 ccb->ccg.secs_per_track = 63;
 794                 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
 795                 ccb->ccb_h.status = CAM_REQ_CMP;
 796                 break;
 797
 798         case XPT_PATH_INQ:
 799         {
 800                 struct ccb_pathinq *cpi = &ccb->cpi;
 801
 802                 cpi->version_num = 1;
 803                 cpi->hba_inquiry = PI_SDTR_ABLE;
 804                 cpi->target_sprt = 0;
 805                 cpi->hba_misc = PIM_NOBUSRESET;
 806                 cpi->hba_eng_cnt = 0;
 807                 cpi->max_target = osm_max_targets;
 808                 cpi->max_lun = 0;
 809                 cpi->unit_number = cam_sim_unit(sim);
 810                 cpi->bus_id = cam_sim_bus(sim);
 811                 cpi->initiator_id = osm_max_targets;
 812                 cpi->base_transfer_speed = 3300;
 813
 814                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 815                 strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
 816                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 817                 cpi->transport = XPORT_SPI;
 818                 cpi->transport_version = 2;
 819                 cpi->protocol = PROTO_SCSI;
 820                 cpi->protocol_version = SCSI_REV_2;
 821                 cpi->ccb_h.status = CAM_REQ_CMP;
 822                 break;
 823         }
 824
 825         default:
 826                 ccb->ccb_h.status = CAM_REQ_INVALID;
 827                 break;
 828         }
 829
 830         xpt_done(ccb);
 831         return;
 832 }
 833
 834 static void hpt_pci_intr(void *arg)
 835 {
 836         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
 837         hpt_lock_vbus(vbus_ext);
 838         ldm_intr((PVBUS)vbus_ext->vbus);
 839         hpt_unlock_vbus(vbus_ext);
 840 }
 841
 842 static void hpt_poll(struct cam_sim *sim)
 843 {
 844         hpt_pci_intr(cam_sim_softc(sim));
 845 }
 846
 847 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
 848 {
 849         KdPrint(("hpt_async"));
 850 }
 851
 852 static int hpt_shutdown(device_t dev)
 853 {
 854         KdPrint(("hpt_shutdown(dev=%p)", dev));
 855         return 0;
 856 }
 857
 858 static int hpt_detach(device_t dev)
 859 {
 860         /* we don't allow the driver to be unloaded. */
 861         return EBUSY;
 862 }
 863
 864 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
 865 {
 866         arg->ioctl_cmnd = 0;
 867         wakeup(arg);
 868 }
 869
 870 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
 871 {
 872         ioctl_args->result = -1;
 873         ioctl_args->done = hpt_ioctl_done;
 874         ioctl_args->ioctl_cmnd = (void *)1;
 875
 876         hpt_lock_vbus(vbus_ext);
 877         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
 878
 879         while (ioctl_args->ioctl_cmnd) {
 880                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
 881                         break;
 882                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 883                 __hpt_do_tasks(vbus_ext);
 884         }
 885
 886         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
 887
 888         hpt_unlock_vbus(vbus_ext);
 889 }
 890
 891 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
 892 {
 893         PVBUS vbus;
 894         PVBUS_EXT vbus_ext;
 895
 896         ldm_for_each_vbus(vbus, vbus_ext) {
 897                 __hpt_do_ioctl(vbus_ext, ioctl_args);
 898                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
 899                         return;
 900         }
 901 }
 902
 903 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
 904         IOCTL_ARG arg;\
 905         arg.dwIoControlCode = code;\
 906         arg.lpInBuffer = inbuf;\
 907         arg.lpOutBuffer = outbuf;\
 908         arg.nInBufferSize = insize;\
 909         arg.nOutBufferSize = outsize;\
 910         arg.lpBytesReturned = 0;\
 911         hpt_do_ioctl(&arg);\
 912         arg.result;\
 913 })
 914
 915 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
 916
 917 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
 918 {
 919         int i;
 920         HPT_U32 count = nMaxCount-1;
 921
 922         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
 923                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
 924                 return -1;
 925
 926         nMaxCount = (int)pIds[0];
 927         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
 928         return nMaxCount;
 929 }
 930
 931 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
 932 {
 933         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
 934                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
 935 }
 936
 937 /* not belong to this file logically, but we want to use ioctl interface */
 938 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
 939 {
 940         LOGICAL_DEVICE_INFO_V3 devinfo;
 941         int i, result;
 942         DEVICEID param[2] = { id, 0 };
 943
 944         if (hpt_get_device_info_v3(id, &devinfo))
 945                 return -1;
 946
 947         if (devinfo.Type!=LDT_ARRAY)
 948                 return -1;
 949
 950         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
 951                 param[1] = AS_REBUILD_ABORT;
 952         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
 953                 param[1] = AS_VERIFY_ABORT;
 954         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
 955                 param[1] = AS_INITIALIZE_ABORT;
 956         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
 957                 param[1] = AS_TRANSFORM_ABORT;
 958         else
 959                 return -1;
 960
 961         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
 962         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
 963                                 param, sizeof(param), 0, 0);
 964
 965         for (i=0; i<devinfo.u.array.nDisk; i++)
 966                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
 967                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
 968
 969         return result;
 970 }
 971
 972 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
 973 {
 974         DEVICEID ids[32];
 975         int i, count;
 976
 977         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
 978
 979         for (i=0; i<count; i++)
 980                 __hpt_stop_tasks(vbus_ext, ids[i]);
 981 }
 982
 983 static  d_open_t        hpt_open;
 984 static  d_close_t       hpt_close;
 985 static  d_ioctl_t       hpt_ioctl;
 986 static  void            hpt_bus_scan_cb(struct cam_periph *periph, union ccb *ccb);
 987 static  int             hpt_rescan_bus(void);
 988
 989 static struct cdevsw hpt_cdevsw = {
 990         .d_open =       hpt_open,
 991         .d_close =      hpt_close,
 992         .d_ioctl =      hpt_ioctl,
 993         .d_name =       driver_name,
 994 #if __FreeBSD_version>=503000
 995         .d_version =    D_VERSION,
 996 #endif
 997 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034)
 998         .d_flags =      D_NEEDGIANT,
 999 #endif
1000 #if __FreeBSD_version<600034
1001 #if __FreeBSD_version>501000
1002         .d_maj =        MAJOR_AUTO,
1003 #else
1004         .d_maj = HPT_DEV_MAJOR,
1005 #endif
1006 #endif
1007 };
1008
1009 static struct intr_config_hook hpt_ich;
1010
1011 /*
1012  * hpt_final_init will be called after all hpt_attach.
1013  */
1014 static void hpt_final_init(void *dummy)
1015 {
1016         int       i;
1017         PVBUS_EXT vbus_ext;
1018         PVBUS vbus;
1019         PHBA hba;
1020
1021         /* Clear the config hook */
1022         config_intrhook_disestablish(&hpt_ich);
1023
1024         /* allocate memory */
1025         i = 0;
1026         ldm_for_each_vbus(vbus, vbus_ext) {
1027                 if (hpt_alloc_mem(vbus_ext)) {
1028                         os_printk("out of memory");
1029                         return;
1030                 }
1031                 i++;
1032         }
1033
1034         if (!i) {
1035                 if (bootverbose)
1036                         os_printk("no controller detected.");
1037                 return;
1038         }
1039
1040         /* initializing hardware */
1041         ldm_for_each_vbus(vbus, vbus_ext) {
1042                 /* make timer available here */
1043                 callout_handle_init(&vbus_ext->timer);
1044                 if (hpt_init_vbus(vbus_ext)) {
1045                         os_printk("fail to initialize hardware");
1046                         break; /* FIXME */
1047                 }
1048         }
1049
1050         /* register CAM interface */
1051         ldm_for_each_vbus(vbus, vbus_ext) {
1052                 struct cam_devq *devq;
1053                 struct ccb_setasync     ccb;
1054
1055 #if (__FreeBSD_version >= 500000)
1056                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1057 #endif
1058                 if (bus_dma_tag_create(NULL,/* parent */
1059                                 4,      /* alignment */
1060                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1061                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1062                                 BUS_SPACE_MAXADDR,      /* highaddr */
1063                                 NULL, NULL,             /* filter, filterarg */
1064                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1065                                 os_max_sg_descriptors,  /* nsegments */
1066                                 0x10000,        /* maxsegsize */
1067                                 BUS_DMA_WAITOK,         /* flags */
1068 #if __FreeBSD_version>502000
1069                                 busdma_lock_mutex,      /* lockfunc */
1070                                 &vbus_ext->lock,                /* lockfuncarg */
1071 #endif
1072                                 &vbus_ext->io_dmat      /* tag */))
1073                 {
1074                         return ;
1075                 }
1076
1077                 for (i=0; i<os_max_queue_comm; i++) {
1078                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1079                         if (!ext) {
1080                                 os_printk("Can't alloc cmdext(%d)", i);
1081                                 return ;
1082                         }
1083                         ext->vbus_ext = vbus_ext;
1084                         ext->next = vbus_ext->cmdext_list;
1085                         vbus_ext->cmdext_list = ext;
1086
1087                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1088                                 os_printk("Can't create dma map(%d)", i);
1089                                 return ;
1090                         }
1091                 }
1092
1093                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1094                         os_printk("cam_simq_alloc failed");
1095                         return ;
1096                 }
1097
1098 #if __FreeBSD_version > 700025
1099                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1100                                 vbus_ext, 0, &Giant, os_max_queue_comm, /*tagged*/8,  devq);
1101 #else
1102                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1103                                 vbus_ext, 0, os_max_queue_comm, /*tagged*/8,  devq);
1104 #endif
1105
1106                 if (!vbus_ext->sim) {
1107                         os_printk("cam_sim_alloc failed");
1108                         cam_simq_free(devq);
1109                         return ;
1110                 }
1111
1112 #if __FreeBSD_version > 700044
1113                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1114 #else
1115                 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1116 #endif
1117                         os_printk("xpt_bus_register failed");
1118                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1119                         vbus_ext->sim = NULL;
1120                         return ;
1121                 }
1122
1123                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1124                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1125                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1126                 {
1127                         os_printk("xpt_create_path failed");
1128                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1129                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1130                         vbus_ext->sim = NULL;
1131                         return ;
1132                 }
1133
1134                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1135                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1136                 ccb.event_enable = AC_LOST_DEVICE;
1137                 ccb.callback = hpt_async;
1138                 ccb.callback_arg = vbus_ext;
1139                 xpt_action((union ccb *)&ccb);
1140
1141                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1142                         int rid = 0;
1143                         if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1144                                 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1145                         {
1146                                 os_printk("can't allocate interrupt");
1147                                 return ;
1148                         }
1149
1150                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM,
1151 #if __FreeBSD_version > 700025
1152                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1153 #else
1154                                 hpt_pci_intr, vbus_ext, &hba->irq_handle))
1155 #endif
1156                         {
1157                                 os_printk("can't set up interrupt");
1158                                 return ;
1159                         }
1160                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1161                 }
1162
1163                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1164                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1165                 if (!vbus_ext->shutdown_eh)
1166                         os_printk("Shutdown event registration failed");
1167         }
1168
1169         ldm_for_each_vbus(vbus, vbus_ext) {
1170                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1171                 if (vbus_ext->tasks)
1172                         TASK_ENQUEUE(&vbus_ext->worker);
1173         }
1174
1175         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1176             S_IRUSR | S_IWUSR, driver_name);
1177 }
1178
1179 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000)
1180
1181 typedef struct driverlink *driverlink_t;
1182 struct driverlink {
1183         kobj_class_t    driver;
1184         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1185 };
1186
1187 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1188
1189 struct devclass {
1190         TAILQ_ENTRY(devclass) link;
1191         devclass_t      parent;         /* parent in devclass hierarchy */
1192         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1193         char            *name;
1194         device_t        *devices;       /* array of devices indexed by unit */
1195         int             maxunit;        /* size of devices array */
1196 };
1197
1198 static void override_kernel_driver(void)
1199 {
1200         driverlink_t dl, dlfirst;
1201         driver_t *tmpdriver;
1202         devclass_t dc = devclass_find("pci");
1203
1204         if (dc){
1205                 dlfirst = TAILQ_FIRST(&dc->drivers);
1206                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1207                         if(strcmp(dl->driver->name, driver_name) == 0) {
1208                                 tmpdriver=dl->driver;
1209                                 dl->driver=dlfirst->driver;
1210                                 dlfirst->driver=tmpdriver;
1211                                 break;
1212                         }
1213                 }
1214         }
1215 }
1216
1217 #else
1218 #define override_kernel_driver()
1219 #endif
1220
1221 static void hpt_init(void *dummy)
1222 {
1223         if (bootverbose)
1224                 os_printk("%s %s", driver_name_long, driver_ver);
1225
1226         override_kernel_driver();
1227         init_config();
1228
1229         hpt_ich.ich_func = hpt_final_init;
1230         hpt_ich.ich_arg = NULL;
1231         if (config_intrhook_establish(&hpt_ich) != 0) {
1232                 printf("%s: cannot establish configuration hook\n",
1233                     driver_name_long);
1234         }
1235
1236 }
1237 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1238
1239 /*
1240  * CAM driver interface
1241  */
1242 static device_method_t driver_methods[] = {
1243         /* Device interface */
1244         DEVMETHOD(device_probe,         hpt_probe),
1245         DEVMETHOD(device_attach,        hpt_attach),
1246         DEVMETHOD(device_detach,        hpt_detach),
1247         DEVMETHOD(device_shutdown,      hpt_shutdown),
1248         { 0, 0 }
1249 };
1250
1251 static driver_t hpt_pci_driver = {
1252         driver_name,
1253         driver_methods,
1254         sizeof(HBA)
1255 };
1256
1257 static devclass_t       hpt_devclass;
1258
1259 #ifndef TARGETNAME
1260 #error "no TARGETNAME found"
1261 #endif
1262
1263 /* use this to make TARGETNAME be expanded */
1264 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1265 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1266 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1267 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1268 __MODULE_VERSION(TARGETNAME, 1);
1269 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1270
1271 #if __FreeBSD_version>503000
1272 typedef struct cdev * ioctl_dev_t;
1273 #else
1274 typedef dev_t ioctl_dev_t;
1275 #endif
1276
1277 #if __FreeBSD_version >= 500000
1278 typedef struct thread * ioctl_thread_t;
1279 #else
1280 typedef struct proc *   ioctl_thread_t;
1281 #endif
1282
1283 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1284 {
1285         return 0;
1286 }
1287
1288 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1289 {
1290         return 0;
1291 }
1292
1293 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td)
1294 {
1295         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1296         IOCTL_ARG ioctl_args;
1297         HPT_U32 bytesReturned;
1298
1299         switch (cmd){
1300         case HPT_DO_IOCONTROL:
1301         {
1302                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1303                         KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1304                                 piop->dwIoControlCode,
1305                                 piop->lpInBuffer,
1306                                 piop->nInBufferSize,
1307                                 piop->lpOutBuffer,
1308                                 piop->nOutBufferSize));
1309
1310                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1311
1312                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1313                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1314                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1315                 ioctl_args.lpBytesReturned = &bytesReturned;
1316
1317                 if (ioctl_args.nInBufferSize) {
1318                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1319                         if (!ioctl_args.lpInBuffer)
1320                                 goto invalid;
1321                         if (copyin((void*)piop->lpInBuffer,
1322                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1323                                 goto invalid;
1324                 }
1325
1326                 if (ioctl_args.nOutBufferSize) {
1327                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1328                         if (!ioctl_args.lpOutBuffer)
1329                                 goto invalid;
1330                 }
1331
1332 #if (__FreeBSD_version >= 500000)
1333                 mtx_lock(&Giant);
1334 #endif
1335
1336                 hpt_do_ioctl(&ioctl_args);
1337
1338 #if (__FreeBSD_version >= 500000)
1339                 mtx_unlock(&Giant);
1340 #endif
1341
1342                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1343                         if (piop->nOutBufferSize) {
1344                                 if (copyout(ioctl_args.lpOutBuffer,
1345                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1346                                         goto invalid;
1347                         }
1348                         if (piop->lpBytesReturned) {
1349                                 if (copyout(&bytesReturned,
1350                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1351                                         goto invalid;
1352                         }
1353                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1354                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1355                         return 0;
1356                 }
1357 invalid:
1358                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1359                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1360                 return EFAULT;
1361         }
1362         return EFAULT;
1363         }
1364
1365         case HPT_SCAN_BUS:
1366         {
1367                 return hpt_rescan_bus();
1368         }
1369         default:
1370                 KdPrint(("invalid command!"));
1371                 return EFAULT;
1372         }
1373
1374 }
1375
1376 static int      hpt_rescan_bus(void)
1377 {
1378         struct cam_path         *path;
1379         union ccb                       *ccb;
1380         PVBUS                           vbus;
1381         PVBUS_EXT                       vbus_ext;
1382
1383 #if (__FreeBSD_version >= 500000)
1384         mtx_lock(&Giant);
1385 #endif
1386
1387         ldm_for_each_vbus(vbus, vbus_ext) {
1388                 if (xpt_create_path(&path, xpt_periph, cam_sim_path(vbus_ext->sim),
1389                         CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1390                         return(EIO);
1391                 if ((ccb = malloc(sizeof(union ccb), M_TEMP, M_WAITOK)) == NULL)
1392                         return(ENOMEM);
1393                 bzero(ccb, sizeof(union ccb));
1394                 xpt_setup_ccb(&ccb->ccb_h, path, 5);
1395                 ccb->ccb_h.func_code = XPT_SCAN_BUS;
1396                 ccb->ccb_h.cbfcnp = hpt_bus_scan_cb;
1397                 ccb->crcn.flags = CAM_FLAG_NONE;
1398                 xpt_action(ccb);
1399         }
1400
1401 #if (__FreeBSD_version >= 500000)
1402         mtx_unlock(&Giant);
1403 #endif
1404
1405         return(0);
1406 }
1407
1408 static  void    hpt_bus_scan_cb(struct cam_periph *periph, union ccb *ccb)
1409 {
1410         if (ccb->ccb_h.status != CAM_REQ_CMP)
1411                 KdPrint(("cam_scan_callback: failure status = %x",ccb->ccb_h.status));
1412         else
1413                 KdPrint(("Scan bus successfully!"));
1414
1415         xpt_free_path(ccb->ccb_h.path);
1416         free(ccb, M_TEMP);
1417         return;
1418 }