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 attach_generic = 1;
  38 TUNABLE_INT("hw.hptrr.attach_generic", &attach_generic);
  39
  40 static int hpt_probe(device_t dev)
  41 {
  42         PCI_ID pci_id;
  43         HIM *him;
  44         int i;
  45         PHBA hba;
  46
  47         /* Some of supported chips are used not only by HPT. */
  48         if (pci_get_vendor(dev) != 0x1103 && !attach_generic)
  49                 return (ENXIO);
  50         for (him = him_list; him; him = him->next) {
  51                 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
  52                         if ((pci_get_vendor(dev) == pci_id.vid) &&
  53                                 (pci_get_device(dev) == pci_id.did)){
  54                                 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
  55                                         pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
  56                                 ));
  57                                 device_set_desc(dev, him->name);
  58                                 hba = (PHBA)device_get_softc(dev);
  59                                 memset(hba, 0, sizeof(HBA));
  60                                 hba->ext_type = EXT_TYPE_HBA;
  61                                 hba->ldm_adapter.him = him;
  62                                 return 0;
  63                         }
  64                 }
  65         }
  66
  67         return (ENXIO);
  68 }
  69
  70 static int hpt_attach(device_t dev)
  71 {
  72         PHBA hba = (PHBA)device_get_softc(dev);
  73         HIM *him = hba->ldm_adapter.him;
  74         PCI_ID pci_id;
  75         HPT_UINT size;
  76         PVBUS vbus;
  77         PVBUS_EXT vbus_ext;
  78
  79         KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
  80
  81 #if __FreeBSD_version >=440000
  82         pci_enable_busmaster(dev);
  83 #endif
  84
  85         pci_id.vid = pci_get_vendor(dev);
  86         pci_id.did = pci_get_device(dev);
  87         pci_id.rev = pci_get_revid(dev);
  88
  89         size = him->get_adapter_size(&pci_id);
  90         hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
  91         if (!hba->ldm_adapter.him_handle)
  92                 return ENXIO;
  93
  94         hba->pcidev = dev;
  95         hba->pciaddr.tree = 0;
  96         hba->pciaddr.bus = pci_get_bus(dev);
  97         hba->pciaddr.device = pci_get_slot(dev);
  98         hba->pciaddr.function = pci_get_function(dev);
  99
 100         if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
 101                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 102                 return -1;
 103         }
 104
 105         os_printk("adapter at PCI %d:%d:%d, IRQ %d",
 106                 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
 107
 108         if (!ldm_register_adapter(&hba->ldm_adapter)) {
 109                 size = ldm_get_vbus_size();
 110                 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
 111                 if (!vbus_ext) {
 112                         free(hba->ldm_adapter.him_handle, M_DEVBUF);
 113                         return -1;
 114                 }
 115                 memset(vbus_ext, 0, sizeof(VBUS_EXT));
 116                 vbus_ext->ext_type = EXT_TYPE_VBUS;
 117                 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
 118                 ldm_register_adapter(&hba->ldm_adapter);
 119         }
 120
 121         ldm_for_each_vbus(vbus, vbus_ext) {
 122                 if (hba->ldm_adapter.vbus==vbus) {
 123                         hba->vbus_ext = vbus_ext;
 124                         hba->next = vbus_ext->hba_list;
 125                         vbus_ext->hba_list = hba;
 126                         break;
 127                 }
 128         }
 129         return 0;
 130 }
 131
 132 /*
 133  * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
 134  * but there are some problems currently (alignment, etc).
 135  */
 136 static __inline void *__get_free_pages(int order)
 137 {
 138         /* don't use low memory - other devices may get starved */
 139         return contigmalloc(PAGE_SIZE<<order,
 140                         M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
 141 }
 142
 143 static __inline void free_pages(void *p, int order)
 144 {
 145         contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
 146 }
 147
 148 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
 149 {
 150         PHBA hba;
 151         struct freelist *f;
 152         HPT_UINT i;
 153         void **p;
 154
 155         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 156                 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
 157
 158         ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
 159
 160         for (f=vbus_ext->freelist_head; f; f=f->next) {
 161                 KdPrint(("%s: %d*%d=%d bytes",
 162                         f->tag, f->count, f->size, f->count*f->size));
 163                 for (i=0; i<f->count; i++) {
 164                         p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
 165                         if (!p) return (ENXIO);
 166                         *p = f->head;
 167                         f->head = p;
 168                 }
 169         }
 170
 171         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 172                 int order, size, j;
 173
 174                 HPT_ASSERT((f->size & (f->alignment-1))==0);
 175
 176                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 177
 178                 KdPrint(("%s: %d*%d=%d bytes, order %d",
 179                         f->tag, f->count, f->size, f->count*f->size, order));
 180                 HPT_ASSERT(f->alignment<=PAGE_SIZE);
 181
 182                 for (i=0; i<f->count;) {
 183                         p = (void **)__get_free_pages(order);
 184                         if (!p) return -1;
 185                         for (j = size/f->size; j && i<f->count; i++,j--) {
 186                                 *p = f->head;
 187                                 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
 188                                 f->head = p;
 189                                 p = (void **)((unsigned long)p + f->size);
 190                         }
 191                 }
 192         }
 193
 194         HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
 195
 196         for (i=0; i<os_max_cache_pages; i++) {
 197                 p = (void **)__get_free_pages(0);
 198                 if (!p) return -1;
 199                 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
 200                 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
 201         }
 202
 203         return 0;
 204 }
 205
 206 static void hpt_free_mem(PVBUS_EXT vbus_ext)
 207 {
 208         struct freelist *f;
 209         void *p;
 210         int i;
 211         BUS_ADDRESS bus;
 212
 213         for (f=vbus_ext->freelist_head; f; f=f->next) {
 214 #if DBG
 215                 if (f->count!=f->reserved_count) {
 216                         KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 217                 }
 218 #endif
 219                 while ((p=freelist_get(f)))
 220                         free(p, M_DEVBUF);
 221         }
 222
 223         for (i=0; i<os_max_cache_pages; i++) {
 224                 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
 225                 HPT_ASSERT(p);
 226                 free_pages(p, 0);
 227         }
 228
 229         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 230                 int order, size;
 231 #if DBG
 232                 if (f->count!=f->reserved_count) {
 233                         KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 234                 }
 235 #endif
 236                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 237
 238                 while ((p=freelist_get_dma(f, &bus))) {
 239                         if (order)
 240                                 free_pages(p, order);
 241                         else {
 242                         /* can't free immediately since other blocks in this page may still be in the list */
 243                                 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
 244                                         dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
 245                         }
 246                 }
 247         }
 248
 249         while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
 250                 free_pages(p, 0);
 251 }
 252
 253 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
 254 {
 255         PHBA hba;
 256
 257         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 258                 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
 259                         KdPrint(("fail to initialize %p", hba));
 260                         return -1;
 261                 }
 262
 263         ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
 264         return 0;
 265 }
 266
 267 static void hpt_flush_done(PCOMMAND pCmd)
 268 {
 269         PVDEV vd = pCmd->target;
 270
 271         if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
 272                 vd = vd->u.array.transform->target;
 273                 HPT_ASSERT(vd);
 274                 pCmd->target = vd;
 275                 pCmd->Result = RETURN_PENDING;
 276                 vdev_queue_cmd(pCmd);
 277                 return;
 278         }
 279
 280         *(int *)pCmd->priv = 1;
 281         wakeup(pCmd);
 282 }
 283
 284 /*
 285  * flush a vdev (without retry).
 286  */
 287 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 288 {
 289         PCOMMAND pCmd;
 290         int result = 0, done;
 291         HPT_UINT count;
 292
 293         KdPrint(("flusing dev %p", vd));
 294
 295         hpt_lock_vbus(vbus_ext);
 296
 297         if (mIsArray(vd->type) && vd->u.array.transform)
 298                 count = MAX(vd->u.array.transform->source->cmds_per_request,
 299                                         vd->u.array.transform->target->cmds_per_request);
 300         else
 301                 count = vd->cmds_per_request;
 302
 303         pCmd = ldm_alloc_cmds(vd->vbus, count);
 304
 305         if (!pCmd) {
 306                 hpt_unlock_vbus(vbus_ext);
 307                 return -1;
 308         }
 309
 310         pCmd->type = CMD_TYPE_FLUSH;
 311         pCmd->flags.hard_flush = 1;
 312         pCmd->target = vd;
 313         pCmd->done = hpt_flush_done;
 314         done = 0;
 315         pCmd->priv = &done;
 316
 317         ldm_queue_cmd(pCmd);
 318
 319         if (!done) {
 320                 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
 321                         ldm_reset_vbus(vd->vbus);
 322                 }
 323         }
 324
 325         KdPrint(("flush result %d", pCmd->Result));
 326
 327         if (pCmd->Result!=RETURN_SUCCESS)
 328                 result = -1;
 329
 330         ldm_free_cmds(pCmd);
 331
 332         hpt_unlock_vbus(vbus_ext);
 333
 334         return result;
 335 }
 336
 337 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
 338 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
 339 {
 340         PVBUS     vbus = (PVBUS)vbus_ext->vbus;
 341         PHBA hba;
 342         int i;
 343
 344         KdPrint(("hpt_shutdown_vbus"));
 345
 346         /* stop all ctl tasks and disable the worker taskqueue */
 347         hpt_stop_tasks(vbus_ext);
 348         vbus_ext->worker.ta_context = 0;
 349
 350         /* flush devices */
 351         for (i=0; i<osm_max_targets; i++) {
 352                 PVDEV vd = ldm_find_target(vbus, i);
 353                 if (vd) {
 354                         /* retry once */
 355                         if (hpt_flush_vdev(vbus_ext, vd))
 356                                 hpt_flush_vdev(vbus_ext, vd);
 357                 }
 358         }
 359
 360         hpt_lock_vbus(vbus_ext);
 361         ldm_shutdown(vbus);
 362         hpt_unlock_vbus(vbus_ext);
 363
 364         ldm_release_vbus(vbus);
 365
 366         for (hba=vbus_ext->hba_list; hba; hba=hba->next)
 367                 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
 368
 369         hpt_free_mem(vbus_ext);
 370
 371         while ((hba=vbus_ext->hba_list)) {
 372                 vbus_ext->hba_list = hba->next;
 373                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 374         }
 375
 376         free(vbus_ext, M_DEVBUF);
 377         KdPrint(("hpt_shutdown_vbus done"));
 378 }
 379
 380 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
 381 {
 382         OSM_TASK *tasks;
 383
 384         tasks = vbus_ext->tasks;
 385         vbus_ext->tasks = 0;
 386
 387         while (tasks) {
 388                 OSM_TASK *t = tasks;
 389                 tasks = t->next;
 390                 t->next = 0;
 391                 t->func(vbus_ext->vbus, t->data);
 392         }
 393 }
 394
 395 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
 396 {
 397         if(vbus_ext){
 398                 hpt_lock_vbus(vbus_ext);
 399                 __hpt_do_tasks(vbus_ext);
 400                 hpt_unlock_vbus(vbus_ext);
 401         }
 402 }
 403
 404 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
 405 static void hpt_poll(struct cam_sim *sim);
 406 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
 407 static void hpt_pci_intr(void *arg);
 408
 409 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
 410 {
 411         POS_CMDEXT p = vbus_ext->cmdext_list;
 412         if (p)
 413                 vbus_ext->cmdext_list = p->next;
 414         return p;
 415 }
 416
 417 static __inline void cmdext_put(POS_CMDEXT p)
 418 {
 419         p->next = p->vbus_ext->cmdext_list;
 420         p->vbus_ext->cmdext_list = p;
 421 }
 422
 423 static void hpt_timeout(void *arg)
 424 {
 425         PCOMMAND pCmd = (PCOMMAND)arg;
 426         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 427
 428         KdPrint(("pCmd %p timeout", pCmd));
 429
 430         ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
 431 }
 432
 433 static void os_cmddone(PCOMMAND pCmd)
 434 {
 435         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 436         union ccb *ccb = ext->ccb;
 437
 438         KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
 439
 440         untimeout(hpt_timeout, pCmd, ccb->ccb_h.timeout_ch);
 441
 442         switch(pCmd->Result) {
 443         case RETURN_SUCCESS:
 444                 ccb->ccb_h.status = CAM_REQ_CMP;
 445                 break;
 446         case RETURN_BAD_DEVICE:
 447                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 448                 break;
 449         case RETURN_DEVICE_BUSY:
 450                 ccb->ccb_h.status = CAM_BUSY;
 451                 break;
 452         case RETURN_INVALID_REQUEST:
 453                 ccb->ccb_h.status = CAM_REQ_INVALID;
 454                 break;
 455         case RETURN_SELECTION_TIMEOUT:
 456                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 457                 break;
 458         case RETURN_RETRY:
 459                 ccb->ccb_h.status = CAM_BUSY;
 460                 break;
 461         default:
 462                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 463                 break;
 464         }
 465
 466         if (pCmd->flags.data_in) {
 467                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
 468         }
 469         else if (pCmd->flags.data_out) {
 470                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
 471         }
 472
 473         bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
 474
 475         cmdext_put(ext);
 476         ldm_free_cmds(pCmd);
 477         xpt_done(ccb);
 478 }
 479
 480 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
 481 {
 482         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 483         union ccb *ccb = ext->ccb;
 484         bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
 485         int idx;
 486
 487         if(logical)     {
 488                 if (ccb->ccb_h.flags & CAM_DATA_PHYS)
 489                         panic("physical address unsupported");
 490
 491                 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
 492                         if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
 493                                 panic("physical address unsupported");
 494
 495                         for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
 496                                 os_set_sgptr(&pSg[idx], (HPT_U8 *)(HPT_UPTR)sgList[idx].ds_addr);
 497                                 pSg[idx].size = sgList[idx].ds_len;
 498                                 pSg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
 499                         }
 500                 }
 501                 else {
 502                         os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
 503                         pSg->size = ccb->csio.dxfer_len;
 504                         pSg->eot = 1;
 505                 }
 506                 return TRUE;
 507         }
 508
 509         /* since we have provided physical sg, nobody will ask us to build physical sg */
 510         HPT_ASSERT(0);
 511         return FALSE;
 512 }
 513
 514 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 515 {
 516         PCOMMAND pCmd = (PCOMMAND)arg;
 517         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 518         PSG psg = pCmd->psg;
 519         int idx;
 520
 521         HPT_ASSERT(pCmd->flags.physical_sg);
 522
 523         if (error || nsegs == 0)
 524                 panic("busdma error");
 525
 526         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 527
 528         for (idx = 0; idx < nsegs; idx++, psg++) {
 529                 psg->addr.bus = segs[idx].ds_addr;
 530                 psg->size = segs[idx].ds_len;
 531                 psg->eot = 0;
 532         }
 533         psg[-1].eot = 1;
 534
 535         if (pCmd->flags.data_in) {
 536                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREREAD);
 537         }
 538         else if (pCmd->flags.data_out) {
 539                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREWRITE);
 540         }
 541
 542         ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 543         ldm_queue_cmd(pCmd);
 544 }
 545
 546 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 547 {
 548         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 549         PVDEV vd;
 550         PCOMMAND pCmd;
 551         POS_CMDEXT ext;
 552         HPT_U8 *cdb;
 553
 554         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 555                 cdb = ccb->csio.cdb_io.cdb_ptr;
 556         else
 557                 cdb = ccb->csio.cdb_io.cdb_bytes;
 558
 559         KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 560                 ccb,
 561                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 562                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 563         ));
 564
 565         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 566         if (ccb->ccb_h.target_lun != 0 ||
 567                 ccb->ccb_h.target_id >= osm_max_targets ||
 568                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 569         {
 570                 ccb->ccb_h.status = CAM_TID_INVALID;
 571                 xpt_done(ccb);
 572                 return;
 573         }
 574
 575         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 576
 577         if (!vd) {
 578                 ccb->ccb_h.status = CAM_TID_INVALID;
 579                 xpt_done(ccb);
 580                 return;
 581         }
 582
 583         switch (cdb[0]) {
 584         case TEST_UNIT_READY:
 585         case START_STOP_UNIT:
 586         case SYNCHRONIZE_CACHE:
 587                 ccb->ccb_h.status = CAM_REQ_CMP;
 588                 break;
 589
 590         case INQUIRY:
 591                 {
 592                         PINQUIRYDATA inquiryData;
 593                         memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 594                         inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 595
 596                         inquiryData->AdditionalLength = 31;
 597                         inquiryData->CommandQueue = 1;
 598                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 599                         memcpy(&inquiryData->ProductId, "DISK 0_0        ", 16);
 600
 601                         if (vd->target_id / 10) {
 602                                 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
 603                                 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
 604                         }
 605                         else
 606                                 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
 607
 608                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 609
 610                         ccb->ccb_h.status = CAM_REQ_CMP;
 611                 }
 612                 break;
 613
 614         case READ_CAPACITY:
 615         {
 616                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 617                 HPT_U32 cap;
 618
 619                 if (vd->capacity>0xfffffffful)
 620                         cap = 0xfffffffful;
 621                 else
 622                         cap = vd->capacity - 1;
 623
 624                 rbuf[0] = (HPT_U8)(cap>>24);
 625                 rbuf[1] = (HPT_U8)(cap>>16);
 626                 rbuf[2] = (HPT_U8)(cap>>8);
 627                 rbuf[3] = (HPT_U8)cap;
 628                 rbuf[4] = 0;
 629                 rbuf[5] = 0;
 630                 rbuf[6] = 2;
 631                 rbuf[7] = 0;
 632
 633                 ccb->ccb_h.status = CAM_REQ_CMP;
 634                 break;
 635         }
 636
 637         case SERVICE_ACTION_IN:
 638         {
 639                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 640                 HPT_U64 cap = vd->capacity - 1;
 641
 642                 rbuf[0] = (HPT_U8)(cap>>56);
 643                 rbuf[1] = (HPT_U8)(cap>>48);
 644                 rbuf[2] = (HPT_U8)(cap>>40);
 645                 rbuf[3] = (HPT_U8)(cap>>32);
 646                 rbuf[4] = (HPT_U8)(cap>>24);
 647                 rbuf[5] = (HPT_U8)(cap>>16);
 648                 rbuf[6] = (HPT_U8)(cap>>8);
 649                 rbuf[7] = (HPT_U8)cap;
 650                 rbuf[8] = 0;
 651                 rbuf[9] = 0;
 652                 rbuf[10] = 2;
 653                 rbuf[11] = 0;
 654
 655                 ccb->ccb_h.status = CAM_REQ_CMP;
 656                 break;
 657         }
 658
 659         case READ_6:
 660         case READ_10:
 661         case READ_16:
 662         case WRITE_6:
 663         case WRITE_10:
 664         case WRITE_16:
 665         case 0x13:
 666         case 0x2f:
 667         {
 668                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 669                 if(!pCmd){
 670                         KdPrint(("Failed to allocate command!"));
 671                         ccb->ccb_h.status = CAM_BUSY;
 672                         break;
 673                 }
 674
 675                 switch (cdb[0]) {
 676                 case READ_6:
 677                 case WRITE_6:
 678                 case 0x13:
 679                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
 680                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
 681                         break;
 682                 case READ_16:
 683                 case WRITE_16:
 684                 {
 685                         HPT_U64 block =
 686                                 ((HPT_U64)cdb[2]<<56) |
 687                                 ((HPT_U64)cdb[3]<<48) |
 688                                 ((HPT_U64)cdb[4]<<40) |
 689                                 ((HPT_U64)cdb[5]<<32) |
 690                                 ((HPT_U64)cdb[6]<<24) |
 691                                 ((HPT_U64)cdb[7]<<16) |
 692                                 ((HPT_U64)cdb[8]<<8) |
 693                                 ((HPT_U64)cdb[9]);
 694                         pCmd->uCmd.Ide.Lba = block;
 695                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
 696                         break;
 697                 }
 698
 699                 default:
 700                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
 701                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
 702                         break;
 703                 }
 704
 705                 switch (cdb[0]) {
 706                 case READ_6:
 707                 case READ_10:
 708                 case READ_16:
 709                         pCmd->flags.data_in = 1;
 710                         break;
 711                 case WRITE_6:
 712                 case WRITE_10:
 713                 case WRITE_16:
 714                         pCmd->flags.data_out = 1;
 715                         break;
 716                 }
 717                 pCmd->priv = ext = cmdext_get(vbus_ext);
 718                 HPT_ASSERT(ext);
 719                 ext->ccb = ccb;
 720                 pCmd->target = vd;
 721                 pCmd->done = os_cmddone;
 722                 pCmd->buildsgl = os_buildsgl;
 723
 724                 pCmd->psg = ext->psg;
 725
 726                 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
 727                         int idx;
 728                         bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
 729
 730                         if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
 731                                 pCmd->flags.physical_sg = 1;
 732
 733                         for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
 734                                 pCmd->psg[idx].addr.bus = sgList[idx].ds_addr;
 735                                 pCmd->psg[idx].size = sgList[idx].ds_len;
 736                                 pCmd->psg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
 737                         }
 738
 739                         ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
 740                         ldm_queue_cmd(pCmd);
 741                 }
 742                 else {
 743                         int error;
 744                         pCmd->flags.physical_sg = 1;
 745                         error = bus_dmamap_load(vbus_ext->io_dmat,
 746                                                 ext->dma_map,
 747                                                 ccb->csio.data_ptr, ccb->csio.dxfer_len,
 748                                                 hpt_io_dmamap_callback, pCmd,
 749                                         BUS_DMA_WAITOK
 750                                         );
 751                         KdPrint(("bus_dmamap_load return %d", error));
 752                         if (error && error!=EINPROGRESS) {
 753                                 os_printk("bus_dmamap_load error %d", error);
 754                                 cmdext_put(ext);
 755                                 ldm_free_cmds(pCmd);
 756                                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
 757                                 xpt_done(ccb);
 758                         }
 759                 }
 760                 return;
 761         }
 762
 763         default:
 764                 ccb->ccb_h.status = CAM_REQ_INVALID;
 765                 break;
 766         }
 767
 768         xpt_done(ccb);
 769         return;
 770 }
 771
 772 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
 773 {
 774         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
 775
 776         KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
 777
 778         switch (ccb->ccb_h.func_code) {
 779
 780         case XPT_SCSI_IO:
 781                 hpt_lock_vbus(vbus_ext);
 782                 hpt_scsi_io(vbus_ext, ccb);
 783                 hpt_unlock_vbus(vbus_ext);
 784                 return;
 785
 786         case XPT_RESET_BUS:
 787                 hpt_lock_vbus(vbus_ext);
 788                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 789                 hpt_unlock_vbus(vbus_ext);
 790                 break;
 791
 792         case XPT_GET_TRAN_SETTINGS:
 793         case XPT_SET_TRAN_SETTINGS:
 794                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 795                 break;
 796
 797         case XPT_CALC_GEOMETRY:
 798                 ccb->ccg.heads = 255;
 799                 ccb->ccg.secs_per_track = 63;
 800                 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
 801                 ccb->ccb_h.status = CAM_REQ_CMP;
 802                 break;
 803
 804         case XPT_PATH_INQ:
 805         {
 806                 struct ccb_pathinq *cpi = &ccb->cpi;
 807
 808                 cpi->version_num = 1;
 809                 cpi->hba_inquiry = PI_SDTR_ABLE;
 810                 cpi->target_sprt = 0;
 811                 cpi->hba_misc = PIM_NOBUSRESET;
 812                 cpi->hba_eng_cnt = 0;
 813                 cpi->max_target = osm_max_targets;
 814                 cpi->max_lun = 0;
 815                 cpi->unit_number = cam_sim_unit(sim);
 816                 cpi->bus_id = cam_sim_bus(sim);
 817                 cpi->initiator_id = osm_max_targets;
 818                 cpi->base_transfer_speed = 3300;
 819
 820                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 821                 strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
 822                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 823                 cpi->transport = XPORT_SPI;
 824                 cpi->transport_version = 2;
 825                 cpi->protocol = PROTO_SCSI;
 826                 cpi->protocol_version = SCSI_REV_2;
 827                 cpi->ccb_h.status = CAM_REQ_CMP;
 828                 break;
 829         }
 830
 831         default:
 832                 ccb->ccb_h.status = CAM_REQ_INVALID;
 833                 break;
 834         }
 835
 836         xpt_done(ccb);
 837         return;
 838 }
 839
 840 static void hpt_pci_intr(void *arg)
 841 {
 842         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
 843         hpt_lock_vbus(vbus_ext);
 844         ldm_intr((PVBUS)vbus_ext->vbus);
 845         hpt_unlock_vbus(vbus_ext);
 846 }
 847
 848 static void hpt_poll(struct cam_sim *sim)
 849 {
 850         hpt_pci_intr(cam_sim_softc(sim));
 851 }
 852
 853 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
 854 {
 855         KdPrint(("hpt_async"));
 856 }
 857
 858 static int hpt_shutdown(device_t dev)
 859 {
 860         KdPrint(("hpt_shutdown(dev=%p)", dev));
 861         return 0;
 862 }
 863
 864 static int hpt_detach(device_t dev)
 865 {
 866         /* we don't allow the driver to be unloaded. */
 867         return EBUSY;
 868 }
 869
 870 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
 871 {
 872         arg->ioctl_cmnd = 0;
 873         wakeup(arg);
 874 }
 875
 876 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
 877 {
 878         ioctl_args->result = -1;
 879         ioctl_args->done = hpt_ioctl_done;
 880         ioctl_args->ioctl_cmnd = (void *)1;
 881
 882         hpt_lock_vbus(vbus_ext);
 883         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
 884
 885         while (ioctl_args->ioctl_cmnd) {
 886                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
 887                         break;
 888                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
 889                 __hpt_do_tasks(vbus_ext);
 890         }
 891
 892         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
 893
 894         hpt_unlock_vbus(vbus_ext);
 895 }
 896
 897 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
 898 {
 899         PVBUS vbus;
 900         PVBUS_EXT vbus_ext;
 901
 902         ldm_for_each_vbus(vbus, vbus_ext) {
 903                 __hpt_do_ioctl(vbus_ext, ioctl_args);
 904                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
 905                         return;
 906         }
 907 }
 908
 909 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
 910         IOCTL_ARG arg;\
 911         arg.dwIoControlCode = code;\
 912         arg.lpInBuffer = inbuf;\
 913         arg.lpOutBuffer = outbuf;\
 914         arg.nInBufferSize = insize;\
 915         arg.nOutBufferSize = outsize;\
 916         arg.lpBytesReturned = 0;\
 917         hpt_do_ioctl(&arg);\
 918         arg.result;\
 919 })
 920
 921 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
 922
 923 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
 924 {
 925         int i;
 926         HPT_U32 count = nMaxCount-1;
 927
 928         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
 929                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
 930                 return -1;
 931
 932         nMaxCount = (int)pIds[0];
 933         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
 934         return nMaxCount;
 935 }
 936
 937 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
 938 {
 939         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
 940                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
 941 }
 942
 943 /* not belong to this file logically, but we want to use ioctl interface */
 944 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
 945 {
 946         LOGICAL_DEVICE_INFO_V3 devinfo;
 947         int i, result;
 948         DEVICEID param[2] = { id, 0 };
 949
 950         if (hpt_get_device_info_v3(id, &devinfo))
 951                 return -1;
 952
 953         if (devinfo.Type!=LDT_ARRAY)
 954                 return -1;
 955
 956         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
 957                 param[1] = AS_REBUILD_ABORT;
 958         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
 959                 param[1] = AS_VERIFY_ABORT;
 960         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
 961                 param[1] = AS_INITIALIZE_ABORT;
 962         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
 963                 param[1] = AS_TRANSFORM_ABORT;
 964         else
 965                 return -1;
 966
 967         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
 968         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
 969                                 param, sizeof(param), 0, 0);
 970
 971         for (i=0; i<devinfo.u.array.nDisk; i++)
 972                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
 973                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
 974
 975         return result;
 976 }
 977
 978 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
 979 {
 980         DEVICEID ids[32];
 981         int i, count;
 982
 983         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
 984
 985         for (i=0; i<count; i++)
 986                 __hpt_stop_tasks(vbus_ext, ids[i]);
 987 }
 988
 989 static  d_open_t        hpt_open;
 990 static  d_close_t       hpt_close;
 991 static  d_ioctl_t       hpt_ioctl;
 992 static  int             hpt_rescan_bus(void);
 993
 994 static struct cdevsw hpt_cdevsw = {
 995         .d_open =       hpt_open,
 996         .d_close =      hpt_close,
 997         .d_ioctl =      hpt_ioctl,
 998         .d_name =       driver_name,
 999 #if __FreeBSD_version>=503000
1000         .d_version =    D_VERSION,
1001 #endif
1002 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034)
1003         .d_flags =      D_NEEDGIANT,
1004 #endif
1005 #if __FreeBSD_version<600034
1006 #if __FreeBSD_version>501000
1007         .d_maj =        MAJOR_AUTO,
1008 #else
1009         .d_maj = HPT_DEV_MAJOR,
1010 #endif
1011 #endif
1012 };
1013
1014 static struct intr_config_hook hpt_ich;
1015
1016 /*
1017  * hpt_final_init will be called after all hpt_attach.
1018  */
1019 static void hpt_final_init(void *dummy)
1020 {
1021         int       i;
1022         PVBUS_EXT vbus_ext;
1023         PVBUS vbus;
1024         PHBA hba;
1025
1026         /* Clear the config hook */
1027         config_intrhook_disestablish(&hpt_ich);
1028
1029         /* allocate memory */
1030         i = 0;
1031         ldm_for_each_vbus(vbus, vbus_ext) {
1032                 if (hpt_alloc_mem(vbus_ext)) {
1033                         os_printk("out of memory");
1034                         return;
1035                 }
1036                 i++;
1037         }
1038
1039         if (!i) {
1040                 if (bootverbose)
1041                         os_printk("no controller detected.");
1042                 return;
1043         }
1044
1045         /* initializing hardware */
1046         ldm_for_each_vbus(vbus, vbus_ext) {
1047                 /* make timer available here */
1048                 callout_handle_init(&vbus_ext->timer);
1049                 if (hpt_init_vbus(vbus_ext)) {
1050                         os_printk("fail to initialize hardware");
1051                         break; /* FIXME */
1052                 }
1053         }
1054
1055         /* register CAM interface */
1056         ldm_for_each_vbus(vbus, vbus_ext) {
1057                 struct cam_devq *devq;
1058                 struct ccb_setasync     ccb;
1059
1060 #if (__FreeBSD_version >= 500000)
1061                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1062 #endif
1063                 if (bus_dma_tag_create(NULL,/* parent */
1064                                 4,      /* alignment */
1065                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1066                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1067                                 BUS_SPACE_MAXADDR,      /* highaddr */
1068                                 NULL, NULL,             /* filter, filterarg */
1069                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1070                                 os_max_sg_descriptors,  /* nsegments */
1071                                 0x10000,        /* maxsegsize */
1072                                 BUS_DMA_WAITOK,         /* flags */
1073 #if __FreeBSD_version>502000
1074                                 busdma_lock_mutex,      /* lockfunc */
1075                                 &vbus_ext->lock,                /* lockfuncarg */
1076 #endif
1077                                 &vbus_ext->io_dmat      /* tag */))
1078                 {
1079                         return ;
1080                 }
1081
1082                 for (i=0; i<os_max_queue_comm; i++) {
1083                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1084                         if (!ext) {
1085                                 os_printk("Can't alloc cmdext(%d)", i);
1086                                 return ;
1087                         }
1088                         ext->vbus_ext = vbus_ext;
1089                         ext->next = vbus_ext->cmdext_list;
1090                         vbus_ext->cmdext_list = ext;
1091
1092                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1093                                 os_printk("Can't create dma map(%d)", i);
1094                                 return ;
1095                         }
1096                 }
1097
1098                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1099                         os_printk("cam_simq_alloc failed");
1100                         return ;
1101                 }
1102
1103 #if __FreeBSD_version > 700025
1104                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1105                                 vbus_ext, 0, &Giant, os_max_queue_comm, /*tagged*/8,  devq);
1106 #else
1107                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1108                                 vbus_ext, 0, os_max_queue_comm, /*tagged*/8,  devq);
1109 #endif
1110
1111                 if (!vbus_ext->sim) {
1112                         os_printk("cam_sim_alloc failed");
1113                         cam_simq_free(devq);
1114                         return ;
1115                 }
1116
1117 #if __FreeBSD_version > 700044
1118                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1119 #else
1120                 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1121 #endif
1122                         os_printk("xpt_bus_register failed");
1123                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1124                         vbus_ext->sim = NULL;
1125                         return ;
1126                 }
1127
1128                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1129                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1130                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1131                 {
1132                         os_printk("xpt_create_path failed");
1133                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1134                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1135                         vbus_ext->sim = NULL;
1136                         return ;
1137                 }
1138
1139                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1140                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1141                 ccb.event_enable = AC_LOST_DEVICE;
1142                 ccb.callback = hpt_async;
1143                 ccb.callback_arg = vbus_ext;
1144                 xpt_action((union ccb *)&ccb);
1145
1146                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1147                         int rid = 0;
1148                         if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1149                                 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1150                         {
1151                                 os_printk("can't allocate interrupt");
1152                                 return ;
1153                         }
1154
1155                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM,
1156 #if __FreeBSD_version > 700025
1157                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1158 #else
1159                                 hpt_pci_intr, vbus_ext, &hba->irq_handle))
1160 #endif
1161                         {
1162                                 os_printk("can't set up interrupt");
1163                                 return ;
1164                         }
1165                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1166                 }
1167
1168                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1169                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1170                 if (!vbus_ext->shutdown_eh)
1171                         os_printk("Shutdown event registration failed");
1172         }
1173
1174         ldm_for_each_vbus(vbus, vbus_ext) {
1175                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1176                 if (vbus_ext->tasks)
1177                         TASK_ENQUEUE(&vbus_ext->worker);
1178         }
1179
1180         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1181             S_IRUSR | S_IWUSR, driver_name);
1182 }
1183
1184 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000)
1185
1186 typedef struct driverlink *driverlink_t;
1187 struct driverlink {
1188         kobj_class_t    driver;
1189         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1190 };
1191
1192 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1193
1194 struct devclass {
1195         TAILQ_ENTRY(devclass) link;
1196         devclass_t      parent;         /* parent in devclass hierarchy */
1197         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1198         char            *name;
1199         device_t        *devices;       /* array of devices indexed by unit */
1200         int             maxunit;        /* size of devices array */
1201 };
1202
1203 static void override_kernel_driver(void)
1204 {
1205         driverlink_t dl, dlfirst;
1206         driver_t *tmpdriver;
1207         devclass_t dc = devclass_find("pci");
1208
1209         if (dc){
1210                 dlfirst = TAILQ_FIRST(&dc->drivers);
1211                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1212                         if(strcmp(dl->driver->name, driver_name) == 0) {
1213                                 tmpdriver=dl->driver;
1214                                 dl->driver=dlfirst->driver;
1215                                 dlfirst->driver=tmpdriver;
1216                                 break;
1217                         }
1218                 }
1219         }
1220 }
1221
1222 #else
1223 #define override_kernel_driver()
1224 #endif
1225
1226 static void hpt_init(void *dummy)
1227 {
1228         if (bootverbose)
1229                 os_printk("%s %s", driver_name_long, driver_ver);
1230
1231         override_kernel_driver();
1232         init_config();
1233
1234         hpt_ich.ich_func = hpt_final_init;
1235         hpt_ich.ich_arg = NULL;
1236         if (config_intrhook_establish(&hpt_ich) != 0) {
1237                 printf("%s: cannot establish configuration hook\n",
1238                     driver_name_long);
1239         }
1240
1241 }
1242 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1243
1244 /*
1245  * CAM driver interface
1246  */
1247 static device_method_t driver_methods[] = {
1248         /* Device interface */
1249         DEVMETHOD(device_probe,         hpt_probe),
1250         DEVMETHOD(device_attach,        hpt_attach),
1251         DEVMETHOD(device_detach,        hpt_detach),
1252         DEVMETHOD(device_shutdown,      hpt_shutdown),
1253         { 0, 0 }
1254 };
1255
1256 static driver_t hpt_pci_driver = {
1257         driver_name,
1258         driver_methods,
1259         sizeof(HBA)
1260 };
1261
1262 static devclass_t       hpt_devclass;
1263
1264 #ifndef TARGETNAME
1265 #error "no TARGETNAME found"
1266 #endif
1267
1268 /* use this to make TARGETNAME be expanded */
1269 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1270 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1271 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1272 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1273 __MODULE_VERSION(TARGETNAME, 1);
1274 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1275
1276 #if __FreeBSD_version>503000
1277 typedef struct cdev * ioctl_dev_t;
1278 #else
1279 typedef dev_t ioctl_dev_t;
1280 #endif
1281
1282 #if __FreeBSD_version >= 500000
1283 typedef struct thread * ioctl_thread_t;
1284 #else
1285 typedef struct proc *   ioctl_thread_t;
1286 #endif
1287
1288 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1289 {
1290         return 0;
1291 }
1292
1293 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1294 {
1295         return 0;
1296 }
1297
1298 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td)
1299 {
1300         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1301         IOCTL_ARG ioctl_args;
1302         HPT_U32 bytesReturned;
1303
1304         switch (cmd){
1305         case HPT_DO_IOCONTROL:
1306         {
1307                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1308                         KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1309                                 piop->dwIoControlCode,
1310                                 piop->lpInBuffer,
1311                                 piop->nInBufferSize,
1312                                 piop->lpOutBuffer,
1313                                 piop->nOutBufferSize));
1314
1315                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1316
1317                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1318                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1319                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1320                 ioctl_args.lpBytesReturned = &bytesReturned;
1321
1322                 if (ioctl_args.nInBufferSize) {
1323                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1324                         if (!ioctl_args.lpInBuffer)
1325                                 goto invalid;
1326                         if (copyin((void*)piop->lpInBuffer,
1327                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1328                                 goto invalid;
1329                 }
1330
1331                 if (ioctl_args.nOutBufferSize) {
1332                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1333                         if (!ioctl_args.lpOutBuffer)
1334                                 goto invalid;
1335                 }
1336
1337 #if (__FreeBSD_version >= 500000)
1338                 mtx_lock(&Giant);
1339 #endif
1340
1341                 hpt_do_ioctl(&ioctl_args);
1342
1343 #if (__FreeBSD_version >= 500000)
1344                 mtx_unlock(&Giant);
1345 #endif
1346
1347                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1348                         if (piop->nOutBufferSize) {
1349                                 if (copyout(ioctl_args.lpOutBuffer,
1350                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1351                                         goto invalid;
1352                         }
1353                         if (piop->lpBytesReturned) {
1354                                 if (copyout(&bytesReturned,
1355                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1356                                         goto invalid;
1357                         }
1358                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1359                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1360                         return 0;
1361                 }
1362 invalid:
1363                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1364                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1365                 return EFAULT;
1366         }
1367         return EFAULT;
1368         }
1369
1370         case HPT_SCAN_BUS:
1371         {
1372                 return hpt_rescan_bus();
1373         }
1374         default:
1375                 KdPrint(("invalid command!"));
1376                 return EFAULT;
1377         }
1378
1379 }
1380
1381 static int      hpt_rescan_bus(void)
1382 {
1383         union ccb                       *ccb;
1384         PVBUS                           vbus;
1385         PVBUS_EXT                       vbus_ext;
1386
1387 #if (__FreeBSD_version >= 500000)
1388         mtx_lock(&Giant);
1389 #endif
1390
1391         ldm_for_each_vbus(vbus, vbus_ext) {
1392                 if ((ccb = xpt_alloc_ccb()) == NULL)
1393                         return(ENOMEM);
1394                 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
1395                     cam_sim_path(vbus_ext->sim),
1396                     CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1397                         xpt_free_ccb(ccb);
1398                         return(EIO);
1399                 }
1400                 xpt_rescan(ccb);
1401         }
1402
1403 #if (__FreeBSD_version >= 500000)
1404         mtx_unlock(&Giant);
1405 #endif
1406
1407         return(0);
1408 }