sys/dev/hptnr/hptnr_osm_bsd.c

   1 /* $Id: osm_bsd.c,v 1.36 2010/05/11 03:12:11 lcn Exp $ */
   2 /*-
   3  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   4  *
   5  * HighPoint RAID Driver for FreeBSD
   6  * Copyright (C) 2005-2011 HighPoint Technologies, Inc.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  *
  30  * $FreeBSD$
  31  */
  32 #include <dev/hptnr/hptnr_config.h>
  33 #include <dev/hptnr/os_bsd.h>
  34 #include <dev/hptnr/hptintf.h>
  35 int msi = 0;
  36 int debug_flag = 0;
  37 static HIM *hpt_match(device_t dev, int scan)
  38 {
  39         PCI_ID pci_id;
  40         HIM *him;
  41         int i;
  42
  43         for (him = him_list; him; him = him->next) {
  44                 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
  45                         if (scan && him->get_controller_count)
  46                                 him->get_controller_count(&pci_id,0,0);
  47                         if ((pci_get_vendor(dev) == pci_id.vid) &&
  48                                 (pci_get_device(dev) == pci_id.did)){
  49                                 return (him);
  50                         }
  51                 }
  52         }
  53
  54         return (NULL);
  55 }
  56
  57 static int hpt_probe(device_t dev)
  58 {
  59         HIM *him;
  60
  61         him = hpt_match(dev, 0);
  62         if (him != NULL) {
  63                 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
  64                         pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
  65                         ));
  66                 device_set_desc(dev, him->name);
  67                 return (BUS_PROBE_DEFAULT);
  68         }
  69
  70         return (ENXIO);
  71 }
  72
  73 static int hpt_attach(device_t dev)
  74 {
  75         PHBA hba = (PHBA)device_get_softc(dev);
  76         HIM *him;
  77         PCI_ID pci_id;
  78         HPT_UINT size;
  79         PVBUS vbus;
  80         PVBUS_EXT vbus_ext;
  81
  82         KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
  83
  84         him = hpt_match(dev, 1);
  85         hba->ext_type = EXT_TYPE_HBA;
  86         hba->ldm_adapter.him = him;
  87
  88         pci_enable_busmaster(dev);
  89
  90         pci_id.vid = pci_get_vendor(dev);
  91         pci_id.did = pci_get_device(dev);
  92         pci_id.rev = pci_get_revid(dev);
  93         pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev);
  94
  95         size = him->get_adapter_size(&pci_id);
  96         hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
  97
  98         hba->pcidev = dev;
  99         hba->pciaddr.tree = 0;
 100         hba->pciaddr.bus = pci_get_bus(dev);
 101         hba->pciaddr.device = pci_get_slot(dev);
 102         hba->pciaddr.function = pci_get_function(dev);
 103
 104         if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
 105                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 106                 return ENXIO;
 107         }
 108
 109         os_printk("adapter at PCI %d:%d:%d, IRQ %d",
 110                 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
 111
 112         if (!ldm_register_adapter(&hba->ldm_adapter)) {
 113                 size = ldm_get_vbus_size();
 114                 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK |
 115                         M_ZERO);
 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
 179                 KdPrint(("%s: %d*%d=%d bytes, order %d",
 180                         f->tag, f->count, f->size, f->count*f->size, order));
 181                 HPT_ASSERT(f->alignment<=PAGE_SIZE);
 182
 183                 for (i=0; i<f->count;) {
 184                         p = (void **)__get_free_pages(order);
 185                         if (!p) return -1;
 186                         for (j = size/f->size; j && i<f->count; i++,j--) {
 187                                 *p = f->head;
 188                                 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
 189                                 f->head = p;
 190                                 p = (void **)((unsigned long)p + f->size);
 191                         }
 192                 }
 193         }
 194
 195         HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
 196
 197         for (i=0; i<os_max_cache_pages; i++) {
 198                 p = (void **)__get_free_pages(0);
 199                 if (!p) return -1;
 200                 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
 201                 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
 202         }
 203
 204         return 0;
 205 }
 206
 207 static void hpt_free_mem(PVBUS_EXT vbus_ext)
 208 {
 209         struct freelist *f;
 210         void *p;
 211         int i;
 212         BUS_ADDRESS bus;
 213
 214         for (f=vbus_ext->freelist_head; f; f=f->next) {
 215 #if DBG
 216                 if (f->count!=f->reserved_count) {
 217                         KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 218                 }
 219 #endif
 220                 while ((p=freelist_get(f)))
 221                         free(p, M_DEVBUF);
 222         }
 223
 224         for (i=0; i<os_max_cache_pages; i++) {
 225                 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
 226                 HPT_ASSERT(p);
 227                 free_pages(p, 0);
 228         }
 229
 230         for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
 231                 int order, size;
 232 #if DBG
 233                 if (f->count!=f->reserved_count) {
 234                         KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
 235                 }
 236 #endif
 237                 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
 238
 239                 while ((p=freelist_get_dma(f, &bus))) {
 240                         if (order)
 241                                 free_pages(p, order);
 242                         else {
 243                         /* can't free immediately since other blocks in this page may still be in the list */
 244                                 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
 245                                         dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
 246                         }
 247                 }
 248         }
 249
 250         while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
 251                 free_pages(p, 0);
 252 }
 253
 254 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
 255 {
 256         PHBA hba;
 257
 258         for (hba = vbus_ext->hba_list; hba; hba = hba->next)
 259                 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
 260                         KdPrint(("fail to initialize %p", hba));
 261                         return -1;
 262                 }
 263
 264         ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
 265         return 0;
 266 }
 267
 268 static void hpt_flush_done(PCOMMAND pCmd)
 269 {
 270         PVDEV vd = pCmd->target;
 271
 272         if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
 273                 vd = vd->u.array.transform->target;
 274                 HPT_ASSERT(vd);
 275                 pCmd->target = vd;
 276                 pCmd->Result = RETURN_PENDING;
 277                 vdev_queue_cmd(pCmd);
 278                 return;
 279         }
 280
 281         *(int *)pCmd->priv = 1;
 282         wakeup(pCmd);
 283 }
 284
 285 /*
 286  * flush a vdev (without retry).
 287  */
 288 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
 289 {
 290         PCOMMAND pCmd;
 291         int result = 0, done;
 292         HPT_UINT count;
 293
 294         KdPrint(("flusing dev %p", vd));
 295
 296         hpt_assert_vbus_locked(vbus_ext);
 297
 298         if (mIsArray(vd->type) && vd->u.array.transform)
 299                 count = max(vd->u.array.transform->source->cmds_per_request,
 300                                         vd->u.array.transform->target->cmds_per_request);
 301         else
 302                 count = vd->cmds_per_request;
 303
 304         pCmd = ldm_alloc_cmds(vd->vbus, count);
 305
 306         if (!pCmd) {
 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         return result;
 333 }
 334
 335 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
 336 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
 337 {
 338         PVBUS     vbus = (PVBUS)vbus_ext->vbus;
 339         PHBA hba;
 340         int i;
 341
 342         KdPrint(("hpt_shutdown_vbus"));
 343
 344         /* stop all ctl tasks and disable the worker taskqueue */
 345         hpt_stop_tasks(vbus_ext);
 346         hpt_lock_vbus(vbus_ext);
 347         vbus_ext->worker.ta_context = 0;
 348
 349         /* flush devices */
 350         for (i=0; i<osm_max_targets; i++) {
 351                 PVDEV vd = ldm_find_target(vbus, i);
 352                 if (vd) {
 353                         /* retry once */
 354                         if (hpt_flush_vdev(vbus_ext, vd))
 355                                 hpt_flush_vdev(vbus_ext, vd);
 356                 }
 357         }
 358
 359         ldm_shutdown(vbus);
 360         hpt_unlock_vbus(vbus_ext);
 361
 362         ldm_release_vbus(vbus);
 363
 364         for (hba=vbus_ext->hba_list; hba; hba=hba->next)
 365                 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
 366
 367         hpt_free_mem(vbus_ext);
 368
 369         while ((hba=vbus_ext->hba_list)) {
 370                 vbus_ext->hba_list = hba->next;
 371                 free(hba->ldm_adapter.him_handle, M_DEVBUF);
 372         }
 373
 374         callout_drain(&vbus_ext->timer);
 375         mtx_destroy(&vbus_ext->lock);
 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         HPT_U8 *cdb;
 438
 439         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 440                 cdb = ccb->csio.cdb_io.cdb_ptr;
 441         else
 442                 cdb = ccb->csio.cdb_io.cdb_bytes;
 443
 444         KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
 445
 446         callout_stop(&ext->timeout);
 447         switch(cdb[0]) {
 448                 case 0x85: /*ATA_16*/
 449                 case 0xA1: /*ATA_12*/
 450                 {
 451                         PassthroughCmd *passthru = &pCmd->uCmd.Passthrough;
 452                         HPT_U8 *sense_buffer = (HPT_U8 *)&ccb->csio.sense_data;
 453                         memset(&ccb->csio.sense_data, 0,sizeof(ccb->csio.sense_data));
 454
 455                         sense_buffer[0] = 0x72; /* Response Code */
 456                         sense_buffer[7] = 14; /* Additional Sense Length */
 457
 458                         sense_buffer[8] = 0x9; /* ATA Return Descriptor */
 459                         sense_buffer[9] = 0xc; /* Additional Descriptor Length */
 460                         sense_buffer[11] = (HPT_U8)passthru->bFeaturesReg; /* Error */
 461                         sense_buffer[13] = (HPT_U8)passthru->bSectorCountReg;  /* Sector Count (7:0) */
 462                         sense_buffer[15] = (HPT_U8)passthru->bLbaLowReg; /* LBA Low (7:0) */
 463                         sense_buffer[17] = (HPT_U8)passthru->bLbaMidReg; /* LBA Mid (7:0) */
 464                         sense_buffer[19] = (HPT_U8)passthru->bLbaHighReg; /* LBA High (7:0) */
 465
 466                         if ((cdb[0] == 0x85) && (cdb[1] & 0x1))
 467                         {
 468                                 sense_buffer[10] = 1;
 469                                 sense_buffer[12] = (HPT_U8)(passthru->bSectorCountReg >> 8); /* Sector Count (15:8) */
 470                                 sense_buffer[14] = (HPT_U8)(passthru->bLbaLowReg >> 8); /* LBA Low (15:8) */
 471                                 sense_buffer[16] = (HPT_U8)(passthru->bLbaMidReg >> 8); /* LBA Mid (15:8) */
 472                                 sense_buffer[18] = (HPT_U8)(passthru->bLbaHighReg >> 8); /* LBA High (15:8) */
 473                         }
 474
 475                         sense_buffer[20] = (HPT_U8)passthru->bDriveHeadReg; /* Device */
 476                         sense_buffer[21] = (HPT_U8)passthru->bCommandReg; /* Status */
 477                         KdPrint(("sts 0x%x err 0x%x low 0x%x mid 0x%x hig 0x%x dh 0x%x sc 0x%x",
 478                                          passthru->bCommandReg,
 479                                          passthru->bFeaturesReg,
 480                                          passthru->bLbaLowReg,
 481                                          passthru->bLbaMidReg,
 482                                          passthru->bLbaHighReg,
 483                                          passthru->bDriveHeadReg,
 484                                          passthru->bSectorCountReg));
 485                         KdPrint(("result:0x%x,bFeaturesReg:0x%04x,bSectorCountReg:0x%04x,LBA:0x%04x%04x%04x ",
 486                                 pCmd->Result,passthru->bFeaturesReg,passthru->bSectorCountReg,
 487                                 passthru->bLbaHighReg,passthru->bLbaMidReg,passthru->bLbaLowReg));
 488                 }
 489                 default:
 490                         break;
 491         }
 492
 493         switch(pCmd->Result) {
 494         case RETURN_SUCCESS:
 495                 ccb->ccb_h.status = CAM_REQ_CMP;
 496                 break;
 497         case RETURN_BAD_DEVICE:
 498                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 499                 break;
 500         case RETURN_DEVICE_BUSY:
 501                 ccb->ccb_h.status = CAM_BUSY;
 502                 break;
 503         case RETURN_INVALID_REQUEST:
 504                 ccb->ccb_h.status = CAM_REQ_INVALID;
 505                 break;
 506         case RETURN_SELECTION_TIMEOUT:
 507                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 508                 break;
 509         case RETURN_RETRY:
 510                 ccb->ccb_h.status = CAM_BUSY;
 511                 break;
 512         default:
 513                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 514                 break;
 515         }
 516
 517         if (pCmd->flags.data_in) {
 518                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
 519         }
 520         else if (pCmd->flags.data_out) {
 521                 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
 522         }
 523
 524         bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
 525
 526         cmdext_put(ext);
 527         ldm_free_cmds(pCmd);
 528         xpt_done(ccb);
 529 }
 530
 531 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
 532 {
 533         /* since we have provided physical sg, nobody will ask us to build physical sg */
 534         HPT_ASSERT(0);
 535         return FALSE;
 536 }
 537
 538 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 539 {
 540         PCOMMAND pCmd = (PCOMMAND)arg;
 541         POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
 542         PSG psg = pCmd->psg;
 543         int idx;
 544
 545         HPT_ASSERT(pCmd->flags.physical_sg);
 546
 547         if (error)
 548                 panic("busdma error");
 549
 550         HPT_ASSERT(nsegs<=os_max_sg_descriptors);
 551
 552         if (nsegs != 0) {
 553                 for (idx = 0; idx < nsegs; idx++, psg++) {
 554                         psg->addr.bus = segs[idx].ds_addr;
 555                         psg->size = segs[idx].ds_len;
 556                         psg->eot = 0;
 557                 }
 558                 psg[-1].eot = 1;
 559
 560                 if (pCmd->flags.data_in) {
 561                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 562                             BUS_DMASYNC_PREREAD);
 563                 }
 564                 else if (pCmd->flags.data_out) {
 565                         bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
 566                             BUS_DMASYNC_PREWRITE);
 567                 }
 568         }
 569
 570         callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
 571         ldm_queue_cmd(pCmd);
 572 }
 573
 574 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
 575 {
 576         PVBUS vbus = (PVBUS)vbus_ext->vbus;
 577         PVDEV vd;
 578         PCOMMAND pCmd;
 579         POS_CMDEXT ext;
 580         HPT_U8 *cdb;
 581
 582         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 583                 cdb = ccb->csio.cdb_io.cdb_ptr;
 584         else
 585                 cdb = ccb->csio.cdb_io.cdb_bytes;
 586
 587         KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
 588                 ccb,
 589                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 590                 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
 591         ));
 592
 593         /* ccb->ccb_h.path_id is not our bus id - don't check it */
 594         if (ccb->ccb_h.target_lun != 0 ||
 595                 ccb->ccb_h.target_id >= osm_max_targets ||
 596                 (ccb->ccb_h.flags & CAM_CDB_PHYS))
 597         {
 598                 ccb->ccb_h.status = CAM_TID_INVALID;
 599                 xpt_done(ccb);
 600                 return;
 601         }
 602
 603         vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
 604
 605         if (!vd) {
 606                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
 607                 xpt_done(ccb);
 608                 return;
 609         }
 610
 611         switch (cdb[0]) {
 612         case TEST_UNIT_READY:
 613         case START_STOP_UNIT:
 614         case SYNCHRONIZE_CACHE:
 615                 ccb->ccb_h.status = CAM_REQ_CMP;
 616                 break;
 617
 618         case 0x85: /*ATA_16*/
 619         case 0xA1: /*ATA_12*/
 620         {
 621                 int error;
 622                 HPT_U8 prot;
 623                 PassthroughCmd *passthru;
 624
 625                 if (mIsArray(vd->type)) {
 626                         ccb->ccb_h.status = CAM_REQ_INVALID;
 627                         break;
 628                 }
 629
 630                 HPT_ASSERT(vd->type == VD_RAW && vd->u.raw.legacy_disk);
 631
 632                 prot = (cdb[1] & 0x1e) >> 1;
 633
 634
 635                 if (prot < 3 || prot > 5)
 636                 {
 637                         ccb->ccb_h.status = CAM_REQ_INVALID;
 638                         break;
 639                 }
 640
 641                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 642                 if (!pCmd) {
 643                         HPT_ASSERT(0);
 644                         ccb->ccb_h.status = CAM_BUSY;
 645                         break;
 646                 }
 647
 648                 passthru = &pCmd->uCmd.Passthrough;
 649                 if (cdb[0] == 0x85/*ATA_16*/) {
 650                         if (cdb[1] & 0x1) {
 651                                 passthru->bFeaturesReg =
 652                                         ((HPT_U16)cdb[3] << 8)
 653                                                 | cdb[4];
 654                                 passthru->bSectorCountReg =
 655                                         ((HPT_U16)cdb[5] << 8) |
 656                                                 cdb[6];
 657                                 passthru->bLbaLowReg =
 658                                         ((HPT_U16)cdb[7] << 8) |
 659                                                 cdb[8];
 660                                 passthru->bLbaMidReg =
 661                                         ((HPT_U16)cdb[9] << 8) |
 662                                                 cdb[10];
 663                                 passthru->bLbaHighReg =
 664                                         ((HPT_U16)cdb[11] << 8) |
 665                                                 cdb[12];
 666                         } else {
 667                                 passthru->bFeaturesReg = cdb[4];
 668                                 passthru->bSectorCountReg = cdb[6];
 669                                 passthru->bLbaLowReg = cdb[8];
 670                                 passthru->bLbaMidReg = cdb[10];
 671                                 passthru->bLbaHighReg = cdb[12];
 672                         }
 673                         passthru->bDriveHeadReg = cdb[13];
 674                         passthru->bCommandReg = cdb[14];
 675
 676                 } else { /*ATA_12*/
 677
 678                         passthru->bFeaturesReg = cdb[3];
 679                         passthru->bSectorCountReg = cdb[4];
 680                         passthru->bLbaLowReg = cdb[5];
 681                         passthru->bLbaMidReg = cdb[6];
 682                         passthru->bLbaHighReg = cdb[7];
 683                         passthru->bDriveHeadReg = cdb[8];
 684                         passthru->bCommandReg = cdb[9];
 685                 }
 686
 687                 if (cdb[1] & 0xe0) {
 688
 689
 690                         if (!(passthru->bCommandReg == ATA_CMD_READ_MULTI ||
 691                                 passthru->bCommandReg == ATA_CMD_READ_MULTI_EXT ||
 692                                 passthru->bCommandReg == ATA_CMD_WRITE_MULTI ||
 693                                 passthru->bCommandReg == ATA_CMD_WRITE_MULTI_EXT ||
 694                                 passthru->bCommandReg == ATA_CMD_WRITE_MULTI_FUA_EXT)
 695                                 ) {
 696                                 goto error;
 697                         }
 698                 }
 699
 700
 701                 if (passthru->bFeaturesReg == ATA_SET_FEATURES_XFER &&
 702                         passthru->bCommandReg == ATA_CMD_SET_FEATURES) {
 703                         goto error;
 704                 }
 705
 706
 707                 passthru->nSectors = ccb->csio.dxfer_len/ATA_SECTOR_SIZE;
 708                 switch (prot) {
 709                         default: /*None data*/
 710                                 break;
 711                         case 4: /*PIO data in, T_DIR=1 match check*/
 712                                 if ((cdb[2] & 3) &&
 713                                         (cdb[2] & 0x8) == 0)
 714                                 {
 715                                         OsPrint(("PIO data in, T_DIR=1 match check"));
 716                                         goto error;
 717                                 }
 718                                 pCmd->flags.data_in = 1;
 719                                                 break;
 720                         case 5: /*PIO data out, T_DIR=0 match check*/
 721                                 if ((cdb[2] & 3) &&
 722                                         (cdb[2] & 0x8))
 723                                 {
 724                                         OsPrint(("PIO data out, T_DIR=0 match check"));
 725                                         goto error;
 726                                 }
 727
 728                                 pCmd->flags.data_out = 1;
 729                                 break;
 730                 }
 731                 pCmd->type = CMD_TYPE_PASSTHROUGH;
 732                 pCmd->priv = ext = cmdext_get(vbus_ext);
 733                 HPT_ASSERT(ext);
 734                 ext->ccb = ccb;
 735                 pCmd->target = vd;
 736                 pCmd->done = os_cmddone;
 737                 pCmd->buildsgl = os_buildsgl;
 738                 pCmd->psg = ext->psg;
 739
 740                 if(!ccb->csio.dxfer_len)
 741                 {
 742                         ldm_queue_cmd(pCmd);
 743                         return;
 744                 }
 745                 pCmd->flags.physical_sg = 1;
 746                 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
 747                                         ext->dma_map, ccb,
 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                 return;
 760 error:
 761                 ldm_free_cmds(pCmd);
 762                 ccb->ccb_h.status = CAM_REQ_INVALID;
 763                 break;
 764         }
 765
 766         case INQUIRY:
 767         {
 768                 PINQUIRYDATA inquiryData;
 769                 HIM_DEVICE_CONFIG devconf;
 770                 HPT_U8 *rbuf;
 771
 772                 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
 773                 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
 774
 775                 if (cdb[1] & 1) {
 776                         rbuf = (HPT_U8 *)inquiryData;
 777                         switch(cdb[2]) {
 778                         case 0:
 779                                 rbuf[0] = 0;
 780                                 rbuf[1] = 0;
 781                                 rbuf[2] = 0;
 782                                 rbuf[3] = 3;
 783                                 rbuf[4] = 0;
 784                                 rbuf[5] = 0x80;
 785                                 rbuf[6] = 0x83;
 786                                 ccb->ccb_h.status = CAM_REQ_CMP;
 787                                 break;
 788                         case 0x80: {
 789                                 rbuf[0] = 0;
 790                                 rbuf[1] = 0x80;
 791                                 rbuf[2] = 0;
 792                                 if (vd->type == VD_RAW) {
 793                                         rbuf[3] = 20;
 794                                         vd->u.raw.him->get_device_config(vd->u.raw.phy_dev,&devconf);
 795                                         memcpy(&rbuf[4], devconf.pIdentifyData->SerialNumber, 20);
 796                                         ldm_ide_fixstring(&rbuf[4], 20);
 797                                 } else {
 798                                         rbuf[3] = 1;
 799                                         rbuf[4] = 0x20;
 800                                 }
 801                                 ccb->ccb_h.status = CAM_REQ_CMP;
 802                                 break;
 803                         }
 804                         case 0x83:
 805                                 rbuf[0] = 0;
 806                                 rbuf[1] = 0x83;
 807                                 rbuf[2] = 0;
 808                                 rbuf[3] = 12;
 809                                 rbuf[4] = 1;
 810                                 rbuf[5] = 2;
 811                                 rbuf[6] = 0;
 812                                 rbuf[7] = 8;
 813                                 rbuf[8] = 0;
 814                                 rbuf[9] = 0x19;
 815                                 rbuf[10] = 0x3C;
 816                                 rbuf[11] = 0;
 817                                 rbuf[12] = 0;
 818                                 rbuf[13] = 0;
 819                                 rbuf[14] = 0;
 820                                 rbuf[15] = 0;
 821                                 ccb->ccb_h.status = CAM_REQ_CMP;
 822                                 break;
 823                         default:
 824                                 ccb->ccb_h.status = CAM_REQ_INVALID;
 825                                 break;
 826                         }
 827
 828                         break;
 829                 }
 830                 else if (cdb[2]) {
 831                         ccb->ccb_h.status = CAM_REQ_INVALID;
 832                         break;
 833                 }
 834
 835                 inquiryData->DeviceType = 0; /*DIRECT_ACCESS_DEVICE*/
 836                 inquiryData->Versions = 5; /*SPC-3*/
 837                 inquiryData->ResponseDataFormat = 2;
 838                 inquiryData->AdditionalLength = 0x5b;
 839                 inquiryData->CommandQueue = 1;
 840
 841                 if (ccb->csio.dxfer_len > 63) {
 842                         rbuf = (HPT_U8 *)inquiryData;
 843                         rbuf[58] = 0x60;
 844                         rbuf[59] = 0x3;
 845
 846                         rbuf[64] = 0x3;
 847                         rbuf[66] = 0x3;
 848                         rbuf[67] = 0x20;
 849
 850                 }
 851
 852                 if (vd->type == VD_RAW) {
 853                         vd->u.raw.him->get_device_config(vd->u.raw.phy_dev,&devconf);
 854
 855                         if ((devconf.pIdentifyData->GeneralConfiguration & 0x80))
 856                                 inquiryData->RemovableMedia = 1;
 857
 858
 859                         memcpy(&inquiryData->VendorId, "ATA     ", 8);
 860                         memcpy(&inquiryData->ProductId, devconf.pIdentifyData->ModelNumber, 16);
 861                         ldm_ide_fixstring((HPT_U8 *)&inquiryData->ProductId, 16);
 862                         memcpy(&inquiryData->ProductRevisionLevel, devconf.pIdentifyData->FirmwareRevision, 4);
 863                         ldm_ide_fixstring((HPT_U8 *)&inquiryData->ProductRevisionLevel, 4);
 864                         if (inquiryData->ProductRevisionLevel[0] == 0 || inquiryData->ProductRevisionLevel[0] == ' ')
 865                                 memcpy(&inquiryData->ProductRevisionLevel, "n/a ", 4);
 866                 } else {
 867                         memcpy(&inquiryData->VendorId, "HPT     ", 8);
 868                         snprintf((char *)&inquiryData->ProductId, 16, "DISK_%d_%d        ",
 869                                 os_get_vbus_seq(vbus_ext), vd->target_id);
 870                         inquiryData->ProductId[15] = ' ';
 871                         memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
 872                 }
 873
 874                 ccb->ccb_h.status = CAM_REQ_CMP;
 875                 break;
 876         }
 877         case READ_CAPACITY:
 878         {
 879                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 880                 HPT_U32 cap;
 881                 HPT_U8 sector_size_shift = 0;
 882                 HPT_U64 new_cap;
 883                 HPT_U32 sector_size = 0;
 884
 885                 if (mIsArray(vd->type))
 886                         sector_size_shift = vd->u.array.sector_size_shift;
 887                 else{
 888                         if(vd->type == VD_RAW){
 889                                 sector_size = vd->u.raw.logical_sector_size;
 890                         }
 891
 892                         switch (sector_size) {
 893                                 case 0x1000:
 894                                         KdPrint(("set 4k setctor size in READ_CAPACITY"));
 895                                         sector_size_shift = 3;
 896                                         break;
 897                                 default:
 898                                         break;
 899                         }
 900                 }
 901                 new_cap = vd->capacity >> sector_size_shift;
 902
 903                 if (new_cap > 0xfffffffful)
 904                         cap = 0xffffffff;
 905                 else
 906                         cap = new_cap - 1;
 907
 908                 rbuf[0] = (HPT_U8)(cap>>24);
 909                 rbuf[1] = (HPT_U8)(cap>>16);
 910                 rbuf[2] = (HPT_U8)(cap>>8);
 911                 rbuf[3] = (HPT_U8)cap;
 912                 rbuf[4] = 0;
 913                 rbuf[5] = 0;
 914                 rbuf[6] = 2 << sector_size_shift;
 915                 rbuf[7] = 0;
 916
 917                 ccb->ccb_h.status = CAM_REQ_CMP;
 918                 break;
 919         }
 920
 921         case REPORT_LUNS:
 922         {
 923                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 924                 memset(rbuf, 0, 16);
 925                 rbuf[3] = 8;
 926                 ccb->ccb_h.status = CAM_REQ_CMP;
 927                 break;
 928         }
 929         case SERVICE_ACTION_IN:
 930         {
 931                 HPT_U8 *rbuf = ccb->csio.data_ptr;
 932                 HPT_U64 cap = 0;
 933                 HPT_U8 sector_size_shift = 0;
 934                 HPT_U32 sector_size = 0;
 935
 936                 if(mIsArray(vd->type))
 937                         sector_size_shift = vd->u.array.sector_size_shift;
 938                 else{
 939                         if(vd->type == VD_RAW){
 940                                 sector_size = vd->u.raw.logical_sector_size;
 941                         }
 942
 943                         switch (sector_size) {
 944                                 case 0x1000:
 945                                         KdPrint(("set 4k setctor size in SERVICE_ACTION_IN"));
 946                                         sector_size_shift = 3;
 947                                         break;
 948                                 default:
 949                                         break;
 950                         }
 951                 }
 952                 cap = (vd->capacity >> sector_size_shift) - 1;
 953
 954                 rbuf[0] = (HPT_U8)(cap>>56);
 955                 rbuf[1] = (HPT_U8)(cap>>48);
 956                 rbuf[2] = (HPT_U8)(cap>>40);
 957                 rbuf[3] = (HPT_U8)(cap>>32);
 958                 rbuf[4] = (HPT_U8)(cap>>24);
 959                 rbuf[5] = (HPT_U8)(cap>>16);
 960                 rbuf[6] = (HPT_U8)(cap>>8);
 961                 rbuf[7] = (HPT_U8)cap;
 962                 rbuf[8] = 0;
 963                 rbuf[9] = 0;
 964                 rbuf[10] = 2 << sector_size_shift;
 965                 rbuf[11] = 0;
 966
 967                 if(!mIsArray(vd->type)){
 968                         rbuf[13] = vd->u.raw.logicalsectors_per_physicalsector;
 969                         rbuf[14] = (HPT_U8)((vd->u.raw.lowest_aligned >> 8) & 0x3f);
 970                         rbuf[15] = (HPT_U8)(vd->u.raw.lowest_aligned);
 971                 }
 972
 973                 ccb->ccb_h.status = CAM_REQ_CMP;
 974                 break;
 975         }
 976
 977         case READ_6:
 978         case READ_10:
 979         case READ_16:
 980         case WRITE_6:
 981         case WRITE_10:
 982         case WRITE_16:
 983         case 0x13:
 984         case 0x2f:
 985         case 0x8f: /* VERIFY_16 */
 986         {
 987                 int error;
 988                 HPT_U8 sector_size_shift = 0;
 989                 HPT_U32 sector_size = 0;
 990                 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
 991                 if(!pCmd){
 992                         KdPrint(("Failed to allocate command!"));
 993                         ccb->ccb_h.status = CAM_BUSY;
 994                         break;
 995                 }
 996
 997                 switch (cdb[0]) {
 998                 case READ_6:
 999                 case WRITE_6:
1000                 case 0x13:
1001                         pCmd->uCmd.Ide.Lba =  ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
1002                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
1003                         break;
1004                 case READ_16:
1005                 case WRITE_16:
1006                 case 0x8f: /* VERIFY_16 */
1007                 {
1008                         HPT_U64 block =
1009                                 ((HPT_U64)cdb[2]<<56) |
1010                                 ((HPT_U64)cdb[3]<<48) |
1011                                 ((HPT_U64)cdb[4]<<40) |
1012                                 ((HPT_U64)cdb[5]<<32) |
1013                                 ((HPT_U64)cdb[6]<<24) |
1014                                 ((HPT_U64)cdb[7]<<16) |
1015                                 ((HPT_U64)cdb[8]<<8) |
1016                                 ((HPT_U64)cdb[9]);
1017                         pCmd->uCmd.Ide.Lba = block;
1018                         pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
1019                         break;
1020                 }
1021
1022                 default:
1023                         pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
1024                         pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
1025                         break;
1026                 }
1027
1028                 if(mIsArray(vd->type)) {
1029                         sector_size_shift = vd->u.array.sector_size_shift;
1030                 }
1031                 else{
1032                         if(vd->type == VD_RAW){
1033                                 sector_size = vd->u.raw.logical_sector_size;
1034                         }
1035
1036                         switch (sector_size) {
1037                                 case 0x1000:
1038                                         KdPrint(("<8>resize sector size from 4k to 512"));
1039                                         sector_size_shift = 3;
1040                                         break;
1041                                 default:
1042                                         break;
1043                         }
1044                 }
1045                 pCmd->uCmd.Ide.Lba <<= sector_size_shift;
1046                 pCmd->uCmd.Ide.nSectors <<= sector_size_shift;
1047
1048
1049                 switch (cdb[0]) {
1050                 case READ_6:
1051                 case READ_10:
1052                 case READ_16:
1053                         pCmd->flags.data_in = 1;
1054                         break;
1055                 case WRITE_6:
1056                 case WRITE_10:
1057                 case WRITE_16:
1058                         pCmd->flags.data_out = 1;
1059                         break;
1060                 }
1061                 pCmd->priv = ext = cmdext_get(vbus_ext);
1062                 HPT_ASSERT(ext);
1063                 ext->ccb = ccb;
1064                 pCmd->target = vd;
1065                 pCmd->done = os_cmddone;
1066                 pCmd->buildsgl = os_buildsgl;
1067                 pCmd->psg = ext->psg;
1068                 pCmd->flags.physical_sg = 1;
1069                 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
1070                                         ext->dma_map, ccb,
1071                                         hpt_io_dmamap_callback, pCmd,
1072                                         BUS_DMA_WAITOK
1073                                         );
1074                 KdPrint(("bus_dmamap_load return %d", error));
1075                 if (error && error!=EINPROGRESS) {
1076                         os_printk("bus_dmamap_load error %d", error);
1077                         cmdext_put(ext);
1078                         ldm_free_cmds(pCmd);
1079                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1080                         xpt_done(ccb);
1081                 }
1082                 return;
1083         }
1084
1085         default:
1086                 ccb->ccb_h.status = CAM_REQ_INVALID;
1087                 break;
1088         }
1089
1090         xpt_done(ccb);
1091         return;
1092 }
1093
1094 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
1095 {
1096         PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
1097
1098         KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
1099
1100         hpt_assert_vbus_locked(vbus_ext);
1101         switch (ccb->ccb_h.func_code) {
1102
1103         case XPT_SCSI_IO:
1104                 hpt_scsi_io(vbus_ext, ccb);
1105                 return;
1106
1107         case XPT_RESET_BUS:
1108                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
1109                 break;
1110
1111         case XPT_GET_TRAN_SETTINGS:
1112         case XPT_SET_TRAN_SETTINGS:
1113                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1114                 break;
1115
1116         case XPT_CALC_GEOMETRY:
1117                 ccb->ccg.heads = 255;
1118                 ccb->ccg.secs_per_track = 63;
1119                 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
1120                 ccb->ccb_h.status = CAM_REQ_CMP;
1121                 break;
1122
1123         case XPT_PATH_INQ:
1124         {
1125                 struct ccb_pathinq *cpi = &ccb->cpi;
1126
1127                 cpi->version_num = 1;
1128                 cpi->hba_inquiry = PI_SDTR_ABLE;
1129                 cpi->target_sprt = 0;
1130                 cpi->hba_misc = PIM_NOBUSRESET;
1131                 cpi->hba_eng_cnt = 0;
1132                 cpi->max_target = osm_max_targets;
1133                 cpi->max_lun = 0;
1134                 cpi->unit_number = cam_sim_unit(sim);
1135                 cpi->bus_id = cam_sim_bus(sim);
1136                 cpi->initiator_id = osm_max_targets;
1137                 cpi->base_transfer_speed = 3300;
1138
1139                 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1140                 strlcpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
1141                 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1142                 cpi->transport = XPORT_SPI;
1143                 cpi->transport_version = 2;
1144                 cpi->protocol = PROTO_SCSI;
1145                 cpi->protocol_version = SCSI_REV_2;
1146                 cpi->ccb_h.status = CAM_REQ_CMP;
1147                 break;
1148         }
1149
1150         default:
1151                 ccb->ccb_h.status = CAM_REQ_INVALID;
1152                 break;
1153         }
1154
1155         xpt_done(ccb);
1156         return;
1157 }
1158
1159 static void hpt_pci_intr(void *arg)
1160 {
1161         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
1162         hpt_lock_vbus(vbus_ext);
1163         ldm_intr((PVBUS)vbus_ext->vbus);
1164         hpt_unlock_vbus(vbus_ext);
1165 }
1166
1167 static void hpt_poll(struct cam_sim *sim)
1168 {
1169         PVBUS_EXT vbus_ext = cam_sim_softc(sim);
1170         hpt_assert_vbus_locked(vbus_ext);
1171         ldm_intr((PVBUS)vbus_ext->vbus);
1172 }
1173
1174 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
1175 {
1176         KdPrint(("hpt_async"));
1177 }
1178
1179 static int hpt_shutdown(device_t dev)
1180 {
1181         KdPrint(("hpt_shutdown(dev=%p)", dev));
1182         return 0;
1183 }
1184
1185 static int hpt_detach(device_t dev)
1186 {
1187         /* we don't allow the driver to be unloaded. */
1188         return EBUSY;
1189 }
1190
1191 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
1192 {
1193         arg->ioctl_cmnd = 0;
1194         wakeup(arg);
1195 }
1196
1197 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
1198 {
1199         ioctl_args->result = -1;
1200         ioctl_args->done = hpt_ioctl_done;
1201         ioctl_args->ioctl_cmnd = (void *)1;
1202
1203         hpt_lock_vbus(vbus_ext);
1204         ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
1205
1206         while (ioctl_args->ioctl_cmnd) {
1207                 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
1208                         break;
1209                 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
1210                 __hpt_do_tasks(vbus_ext);
1211         }
1212
1213         /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
1214
1215         hpt_unlock_vbus(vbus_ext);
1216 }
1217
1218 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
1219 {
1220         PVBUS vbus;
1221         PVBUS_EXT vbus_ext;
1222
1223         ldm_for_each_vbus(vbus, vbus_ext) {
1224                 __hpt_do_ioctl(vbus_ext, ioctl_args);
1225                 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
1226                         return;
1227         }
1228 }
1229
1230 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
1231         IOCTL_ARG arg;\
1232         arg.dwIoControlCode = code;\
1233         arg.lpInBuffer = inbuf;\
1234         arg.lpOutBuffer = outbuf;\
1235         arg.nInBufferSize = insize;\
1236         arg.nOutBufferSize = outsize;\
1237         arg.lpBytesReturned = 0;\
1238         hpt_do_ioctl(&arg);\
1239         arg.result;\
1240 })
1241
1242 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
1243
1244 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
1245 {
1246         int i;
1247         HPT_U32 count = nMaxCount-1;
1248
1249         if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
1250                         &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
1251                 return -1;
1252
1253         nMaxCount = (int)pIds[0];
1254         for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
1255         return nMaxCount;
1256 }
1257
1258 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
1259 {
1260         return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
1261                                 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
1262 }
1263
1264 /* not belong to this file logically, but we want to use ioctl interface */
1265 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
1266 {
1267         LOGICAL_DEVICE_INFO_V3 devinfo;
1268         int i, result;
1269         DEVICEID param[2] = { id, 0 };
1270
1271         if (hpt_get_device_info_v3(id, &devinfo))
1272                 return -1;
1273
1274         if (devinfo.Type!=LDT_ARRAY)
1275                 return -1;
1276
1277         if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
1278                 param[1] = AS_REBUILD_ABORT;
1279         else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
1280                 param[1] = AS_VERIFY_ABORT;
1281         else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
1282                 param[1] = AS_INITIALIZE_ABORT;
1283         else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
1284                 param[1] = AS_TRANSFORM_ABORT;
1285         else
1286                 return -1;
1287
1288         KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
1289         result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
1290                                 param, sizeof(param), 0, 0);
1291
1292         for (i=0; i<devinfo.u.array.nDisk; i++)
1293                 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
1294                         __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
1295
1296         return result;
1297 }
1298
1299 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
1300 {
1301         DEVICEID ids[32];
1302         int i, count;
1303
1304         count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
1305
1306         for (i=0; i<count; i++)
1307                 __hpt_stop_tasks(vbus_ext, ids[i]);
1308 }
1309
1310 static  d_open_t        hpt_open;
1311 static  d_close_t       hpt_close;
1312 static  d_ioctl_t       hpt_ioctl;
1313 static  int             hpt_rescan_bus(void);
1314
1315 static struct cdevsw hpt_cdevsw = {
1316         .d_open =       hpt_open,
1317         .d_close =      hpt_close,
1318         .d_ioctl =      hpt_ioctl,
1319         .d_name =       driver_name,
1320         .d_version =    D_VERSION,
1321 };
1322
1323 static struct intr_config_hook hpt_ich;
1324
1325 /*
1326  * hpt_final_init will be called after all hpt_attach.
1327  */
1328 static void hpt_final_init(void *dummy)
1329 {
1330         int       i,unit_number=0;
1331         PVBUS_EXT vbus_ext;
1332         PVBUS vbus;
1333         PHBA hba;
1334
1335         /* Clear the config hook */
1336         config_intrhook_disestablish(&hpt_ich);
1337
1338         /* allocate memory */
1339         i = 0;
1340         ldm_for_each_vbus(vbus, vbus_ext) {
1341                 if (hpt_alloc_mem(vbus_ext)) {
1342                         os_printk("out of memory");
1343                         return;
1344                 }
1345                 i++;
1346         }
1347
1348         if (!i) {
1349                 if (bootverbose)
1350                         os_printk("no controller detected.");
1351                 return;
1352         }
1353
1354         /* initializing hardware */
1355         ldm_for_each_vbus(vbus, vbus_ext) {
1356                 /* make timer available here */
1357                 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1358                 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0);
1359                 if (hpt_init_vbus(vbus_ext)) {
1360                         os_printk("fail to initialize hardware");
1361                         break; /* FIXME */
1362                 }
1363         }
1364
1365         /* register CAM interface */
1366         ldm_for_each_vbus(vbus, vbus_ext) {
1367                 struct cam_devq *devq;
1368                 struct ccb_setasync     ccb;
1369
1370                 if (bus_dma_tag_create(NULL,/* parent */
1371                                 4,      /* alignment */
1372                                 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1373                                 BUS_SPACE_MAXADDR,      /* lowaddr */
1374                                 BUS_SPACE_MAXADDR,      /* highaddr */
1375                                 NULL, NULL,             /* filter, filterarg */
1376                                 PAGE_SIZE * (os_max_sg_descriptors-1),  /* maxsize */
1377                                 os_max_sg_descriptors,  /* nsegments */
1378                                 0x10000,        /* maxsegsize */
1379                                 BUS_DMA_WAITOK,         /* flags */
1380                                 busdma_lock_mutex,      /* lockfunc */
1381                                 &vbus_ext->lock,                /* lockfuncarg */
1382                                 &vbus_ext->io_dmat      /* tag */))
1383                 {
1384                         return ;
1385                 }
1386
1387                 for (i=0; i<os_max_queue_comm; i++) {
1388                         POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1389                         if (!ext) {
1390                                 os_printk("Can't alloc cmdext(%d)", i);
1391                                 return ;
1392                         }
1393                         ext->vbus_ext = vbus_ext;
1394                         ext->next = vbus_ext->cmdext_list;
1395                         vbus_ext->cmdext_list = ext;
1396
1397                         if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1398                                 os_printk("Can't create dma map(%d)", i);
1399                                 return ;
1400                         }
1401                         callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0);
1402                 }
1403
1404                 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1405                         os_printk("cam_simq_alloc failed");
1406                         return ;
1407                 }
1408
1409                 hpt_lock_vbus(vbus_ext);
1410                 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1411                                 vbus_ext, unit_number, &vbus_ext->lock,
1412                                 os_max_queue_comm, /*tagged*/8,  devq);
1413                 unit_number++;
1414                 if (!vbus_ext->sim) {
1415                         os_printk("cam_sim_alloc failed");
1416                         cam_simq_free(devq);
1417                         hpt_unlock_vbus(vbus_ext);
1418                         return ;
1419                 }
1420
1421                 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1422                         os_printk("xpt_bus_register failed");
1423                         cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1424                         vbus_ext->sim = NULL;
1425                         return ;
1426                 }
1427
1428                 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1429                                 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1430                                 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1431                 {
1432                         os_printk("xpt_create_path failed");
1433                         xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1434                         cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1435                         hpt_unlock_vbus(vbus_ext);
1436                         vbus_ext->sim = NULL;
1437                         return ;
1438                 }
1439                 hpt_unlock_vbus(vbus_ext);
1440
1441                 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1442                 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1443                 ccb.event_enable = AC_LOST_DEVICE;
1444                 ccb.callback = hpt_async;
1445                 ccb.callback_arg = vbus_ext;
1446                 xpt_action((union ccb *)&ccb);
1447
1448                 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1449                         int rid = 0;
1450                         if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev,
1451                                 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1452                         {
1453                                 os_printk("can't allocate interrupt");
1454                                 return ;
1455                         }
1456
1457                         if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE,
1458                                 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1459                         {
1460                                 os_printk("can't set up interrupt");
1461                                 return ;
1462                         }
1463                         hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1464
1465                 }
1466
1467                 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1468                                                                         hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1469                 if (!vbus_ext->shutdown_eh)
1470                         os_printk("Shutdown event registration failed");
1471         }
1472
1473         ldm_for_each_vbus(vbus, vbus_ext) {
1474                 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1475                 if (vbus_ext->tasks)
1476                         TASK_ENQUEUE(&vbus_ext->worker);
1477         }
1478
1479         make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1480             S_IRUSR | S_IWUSR, "%s", driver_name);
1481 }
1482
1483 #if defined(KLD_MODULE)
1484
1485 typedef struct driverlink *driverlink_t;
1486 struct driverlink {
1487         kobj_class_t    driver;
1488         TAILQ_ENTRY(driverlink) link;   /* list of drivers in devclass */
1489 };
1490
1491 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1492
1493 struct devclass {
1494         TAILQ_ENTRY(devclass) link;
1495         devclass_t      parent;         /* parent in devclass hierarchy */
1496         driver_list_t   drivers;     /* bus devclasses store drivers for bus */
1497         char            *name;
1498         device_t        *devices;       /* array of devices indexed by unit */
1499         int             maxunit;        /* size of devices array */
1500 };
1501
1502 static void override_kernel_driver(void)
1503 {
1504         driverlink_t dl, dlfirst;
1505         driver_t *tmpdriver;
1506         devclass_t dc = devclass_find("pci");
1507
1508         if (dc){
1509                 dlfirst = TAILQ_FIRST(&dc->drivers);
1510                 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1511                         if(strcmp(dl->driver->name, driver_name) == 0) {
1512                                 tmpdriver=dl->driver;
1513                                 dl->driver=dlfirst->driver;
1514                                 dlfirst->driver=tmpdriver;
1515                                 break;
1516                         }
1517                 }
1518         }
1519 }
1520
1521 #else
1522 #define override_kernel_driver()
1523 #endif
1524
1525 static void hpt_init(void *dummy)
1526 {
1527         if (bootverbose)
1528                 os_printk("%s %s", driver_name_long, driver_ver);
1529
1530         override_kernel_driver();
1531         init_config();
1532
1533         hpt_ich.ich_func = hpt_final_init;
1534         hpt_ich.ich_arg = NULL;
1535         if (config_intrhook_establish(&hpt_ich) != 0) {
1536                 printf("%s: cannot establish configuration hook\n",
1537                     driver_name_long);
1538         }
1539
1540 }
1541 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1542
1543 /*
1544  * CAM driver interface
1545  */
1546 static device_method_t driver_methods[] = {
1547         /* Device interface */
1548         DEVMETHOD(device_probe,         hpt_probe),
1549         DEVMETHOD(device_attach,        hpt_attach),
1550         DEVMETHOD(device_detach,        hpt_detach),
1551         DEVMETHOD(device_shutdown,      hpt_shutdown),
1552         { 0, 0 }
1553 };
1554
1555 static driver_t hpt_pci_driver = {
1556         driver_name,
1557         driver_methods,
1558         sizeof(HBA)
1559 };
1560
1561 static devclass_t       hpt_devclass;
1562
1563 #ifndef TARGETNAME
1564 #error "no TARGETNAME found"
1565 #endif
1566
1567 /* use this to make TARGETNAME be expanded */
1568 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1569 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1570 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1571 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1572 __MODULE_VERSION(TARGETNAME, 1);
1573 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1574
1575 static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td)
1576 {
1577         return 0;
1578 }
1579
1580 static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td)
1581 {
1582         return 0;
1583 }
1584
1585 static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
1586 {
1587         PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1588         IOCTL_ARG ioctl_args;
1589         HPT_U32 bytesReturned = 0;
1590
1591         switch (cmd){
1592         case HPT_DO_IOCONTROL:
1593         {
1594                 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1595                         KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1596                                 piop->dwIoControlCode,
1597                                 piop->lpInBuffer,
1598                                 piop->nInBufferSize,
1599                                 piop->lpOutBuffer,
1600                                 piop->nOutBufferSize));
1601
1602                 memset(&ioctl_args, 0, sizeof(ioctl_args));
1603
1604                 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1605                 ioctl_args.nInBufferSize = piop->nInBufferSize;
1606                 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1607                 ioctl_args.lpBytesReturned = &bytesReturned;
1608
1609                 if (ioctl_args.nInBufferSize) {
1610                         ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1611                         if (!ioctl_args.lpInBuffer)
1612                                 goto invalid;
1613                         if (copyin((void*)piop->lpInBuffer,
1614                                         ioctl_args.lpInBuffer, piop->nInBufferSize))
1615                                 goto invalid;
1616                 }
1617
1618                 if (ioctl_args.nOutBufferSize) {
1619                         ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK | M_ZERO);
1620                         if (!ioctl_args.lpOutBuffer)
1621                                 goto invalid;
1622                 }
1623
1624                 hpt_do_ioctl(&ioctl_args);
1625
1626                 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1627                         if (piop->nOutBufferSize) {
1628                                 if (copyout(ioctl_args.lpOutBuffer,
1629                                         (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1630                                         goto invalid;
1631                         }
1632                         if (piop->lpBytesReturned) {
1633                                 if (copyout(&bytesReturned,
1634                                         (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1635                                         goto invalid;
1636                         }
1637                         if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1638                         if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1639                         return 0;
1640                 }
1641 invalid:
1642                 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1643                 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1644                 return EFAULT;
1645         }
1646         return EFAULT;
1647         }
1648
1649         case HPT_SCAN_BUS:
1650         {
1651                 return hpt_rescan_bus();
1652         }
1653         default:
1654                 KdPrint(("invalid command!"));
1655                 return EFAULT;
1656         }
1657
1658 }
1659
1660 static int      hpt_rescan_bus(void)
1661 {
1662         union ccb                       *ccb;
1663         PVBUS                           vbus;
1664         PVBUS_EXT                       vbus_ext;
1665
1666         ldm_for_each_vbus(vbus, vbus_ext) {
1667                 if ((ccb = xpt_alloc_ccb()) == NULL)
1668                 {
1669                         return(ENOMEM);
1670                 }
1671                 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1672                         CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1673                 {
1674                         xpt_free_ccb(ccb);
1675                         return(EIO);
1676                 }
1677                 xpt_rescan(ccb);
1678         }
1679         return(0);
1680 }