1 /*- 2 * Copyright (c) 2011 HighPoint Technologies, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <dev/hpt27xx/hpt27xx_config.h> 30 31 #include <dev/hpt27xx/os_bsd.h> 32 #include <dev/hpt27xx/hptintf.h> 33 34 static HIM *hpt_match(device_t dev) 35 { 36 PCI_ID pci_id; 37 HIM *him; 38 int i; 39 40 for (him = him_list; him; him = him->next) { 41 for (i=0; him->get_supported_device_id(i, &pci_id); i++) { 42 if (him->get_controller_count) 43 him->get_controller_count(&pci_id,0,0); 44 if ((pci_get_vendor(dev) == pci_id.vid) && 45 (pci_get_device(dev) == pci_id.did)){ 46 return (him); 47 } 48 } 49 } 50 return (NULL); 51 } 52 53 static int hpt_probe(device_t dev) 54 { 55 HIM *him; 56 57 him = hpt_match(dev); 58 if (him != NULL) { 59 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d", 60 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev) 61 )); 62 device_set_desc(dev, him->name); 63 return (BUS_PROBE_DEFAULT); 64 } 65 66 return (ENXIO); 67 } 68 69 static int hpt_attach(device_t dev) 70 { 71 PHBA hba = (PHBA)device_get_softc(dev); 72 HIM *him; 73 PCI_ID pci_id; 74 HPT_UINT size; 75 PVBUS vbus; 76 PVBUS_EXT vbus_ext; 77 78 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev))); 79 80 him = hpt_match(dev); 81 hba->ext_type = EXT_TYPE_HBA; 82 hba->ldm_adapter.him = him; 83 pci_enable_busmaster(dev); 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 pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev); 89 90 size = him->get_adapter_size(&pci_id); 91 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK); 92 if (!hba->ldm_adapter.him_handle) 93 return ENXIO; 94 95 hba->pcidev = dev; 96 hba->pciaddr.tree = 0; 97 hba->pciaddr.bus = pci_get_bus(dev); 98 hba->pciaddr.device = pci_get_slot(dev); 99 hba->pciaddr.function = pci_get_function(dev); 100 101 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) { 102 free(hba->ldm_adapter.him_handle, M_DEVBUF); 103 return ENXIO; 104 } 105 106 os_printk("adapter at PCI %d:%d:%d, IRQ %d", 107 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev)); 108 109 if (!ldm_register_adapter(&hba->ldm_adapter)) { 110 size = ldm_get_vbus_size(); 111 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK); 112 if (!vbus_ext) { 113 free(hba->ldm_adapter.him_handle, M_DEVBUF); 114 return ENXIO; 115 } 116 memset(vbus_ext, 0, sizeof(VBUS_EXT)); 117 vbus_ext->ext_type = EXT_TYPE_VBUS; 118 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext); 119 ldm_register_adapter(&hba->ldm_adapter); 120 } 121 122 ldm_for_each_vbus(vbus, vbus_ext) { 123 if (hba->ldm_adapter.vbus==vbus) { 124 hba->vbus_ext = vbus_ext; 125 hba->next = vbus_ext->hba_list; 126 vbus_ext->hba_list = hba; 127 break; 128 } 129 } 130 return 0; 131 } 132 133 /* 134 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory, 135 * but there are some problems currently (alignment, etc). 136 */ 137 static __inline void *__get_free_pages(int order) 138 { 139 /* don't use low memory - other devices may get starved */ 140 return contigmalloc(PAGE_SIZE<<order, 141 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0); 142 } 143 144 static __inline void free_pages(void *p, int order) 145 { 146 contigfree(p, PAGE_SIZE<<order, M_DEVBUF); 147 } 148 149 static int hpt_alloc_mem(PVBUS_EXT vbus_ext) 150 { 151 PHBA hba; 152 struct freelist *f; 153 HPT_UINT i; 154 void **p; 155 156 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 157 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle); 158 159 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0); 160 161 for (f=vbus_ext->freelist_head; f; f=f->next) { 162 KdPrint(("%s: %d*%d=%d bytes", 163 f->tag, f->count, f->size, f->count*f->size)); 164 for (i=0; i<f->count; i++) { 165 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK); 166 if (!p) return (ENXIO); 167 *p = f->head; 168 f->head = p; 169 } 170 } 171 172 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 173 int order, size, j; 174 175 HPT_ASSERT((f->size & (f->alignment-1))==0); 176 177 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) 178 ; 179 180 KdPrint(("%s: %d*%d=%d bytes, order %d", 181 f->tag, f->count, f->size, f->count*f->size, order)); 182 HPT_ASSERT(f->alignment<=PAGE_SIZE); 183 184 for (i=0; i<f->count;) { 185 p = (void **)__get_free_pages(order); 186 if (!p) return -1; 187 for (j = size/f->size; j && i<f->count; i++,j--) { 188 *p = f->head; 189 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p); 190 f->head = p; 191 p = (void **)((unsigned long)p + f->size); 192 } 193 } 194 } 195 196 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE); 197 198 for (i=0; i<os_max_cache_pages; i++) { 199 p = (void **)__get_free_pages(0); 200 if (!p) return -1; 201 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0); 202 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p)); 203 } 204 205 return 0; 206 } 207 208 static void hpt_free_mem(PVBUS_EXT vbus_ext) 209 { 210 struct freelist *f; 211 void *p; 212 int i; 213 BUS_ADDRESS bus; 214 215 for (f=vbus_ext->freelist_head; f; f=f->next) { 216 #if DBG 217 if (f->count!=f->reserved_count) { 218 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 219 } 220 #endif 221 while ((p=freelist_get(f))) 222 free(p, M_DEVBUF); 223 } 224 225 for (i=0; i<os_max_cache_pages; i++) { 226 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus); 227 HPT_ASSERT(p); 228 free_pages(p, 0); 229 } 230 231 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 232 int order, size; 233 #if DBG 234 if (f->count!=f->reserved_count) { 235 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 236 } 237 #endif 238 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 239 240 while ((p=freelist_get_dma(f, &bus))) { 241 if (order) 242 free_pages(p, order); 243 else { 244 /* can't free immediately since other blocks in this page may still be in the list */ 245 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0) 246 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus); 247 } 248 } 249 } 250 251 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus))) 252 free_pages(p, 0); 253 } 254 255 static int hpt_init_vbus(PVBUS_EXT vbus_ext) 256 { 257 PHBA hba; 258 259 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 260 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) { 261 KdPrint(("fail to initialize %p", hba)); 262 return -1; 263 } 264 265 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter); 266 return 0; 267 } 268 269 static void hpt_flush_done(PCOMMAND pCmd) 270 { 271 PVDEV vd = pCmd->target; 272 273 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) { 274 vd = vd->u.array.transform->target; 275 HPT_ASSERT(vd); 276 pCmd->target = vd; 277 pCmd->Result = RETURN_PENDING; 278 vdev_queue_cmd(pCmd); 279 return; 280 } 281 282 *(int *)pCmd->priv = 1; 283 wakeup(pCmd); 284 } 285 286 /* 287 * flush a vdev (without retry). 288 */ 289 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd) 290 { 291 PCOMMAND pCmd; 292 int result = 0, done; 293 HPT_UINT count; 294 295 KdPrint(("flusing dev %p", vd)); 296 297 hpt_lock_vbus(vbus_ext); 298 299 if (mIsArray(vd->type) && vd->u.array.transform) 300 count = MAX(vd->u.array.transform->source->cmds_per_request, 301 vd->u.array.transform->target->cmds_per_request); 302 else 303 count = vd->cmds_per_request; 304 305 pCmd = ldm_alloc_cmds(vd->vbus, count); 306 307 if (!pCmd) { 308 hpt_unlock_vbus(vbus_ext); 309 return -1; 310 } 311 312 pCmd->type = CMD_TYPE_FLUSH; 313 pCmd->flags.hard_flush = 1; 314 pCmd->target = vd; 315 pCmd->done = hpt_flush_done; 316 done = 0; 317 pCmd->priv = &done; 318 319 ldm_queue_cmd(pCmd); 320 321 if (!done) { 322 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) { 323 ldm_reset_vbus(vd->vbus); 324 } 325 } 326 327 KdPrint(("flush result %d", pCmd->Result)); 328 329 if (pCmd->Result!=RETURN_SUCCESS) 330 result = -1; 331 332 ldm_free_cmds(pCmd); 333 334 hpt_unlock_vbus(vbus_ext); 335 336 return result; 337 } 338 339 static void hpt_stop_tasks(PVBUS_EXT vbus_ext); 340 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto) 341 { 342 PVBUS vbus = (PVBUS)vbus_ext->vbus; 343 PHBA hba; 344 int i; 345 346 KdPrint(("hpt_shutdown_vbus")); 347 348 /* stop all ctl tasks and disable the worker taskqueue */ 349 hpt_stop_tasks(vbus_ext); 350 vbus_ext->worker.ta_context = 0; 351 352 /* flush devices */ 353 for (i=0; i<osm_max_targets; i++) { 354 PVDEV vd = ldm_find_target(vbus, i); 355 if (vd) { 356 /* retry once */ 357 if (hpt_flush_vdev(vbus_ext, vd)) 358 hpt_flush_vdev(vbus_ext, vd); 359 } 360 } 361 362 hpt_lock_vbus(vbus_ext); 363 ldm_shutdown(vbus); 364 hpt_unlock_vbus(vbus_ext); 365 366 ldm_release_vbus(vbus); 367 368 for (hba=vbus_ext->hba_list; hba; hba=hba->next) 369 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle); 370 371 hpt_free_mem(vbus_ext); 372 373 while ((hba=vbus_ext->hba_list)) { 374 vbus_ext->hba_list = hba->next; 375 free(hba->ldm_adapter.him_handle, M_DEVBUF); 376 } 377 378 free(vbus_ext, M_DEVBUF); 379 KdPrint(("hpt_shutdown_vbus done")); 380 } 381 382 static void __hpt_do_tasks(PVBUS_EXT vbus_ext) 383 { 384 OSM_TASK *tasks; 385 386 tasks = vbus_ext->tasks; 387 vbus_ext->tasks = 0; 388 389 while (tasks) { 390 OSM_TASK *t = tasks; 391 tasks = t->next; 392 t->next = 0; 393 t->func(vbus_ext->vbus, t->data); 394 } 395 } 396 397 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending) 398 { 399 if(vbus_ext){ 400 hpt_lock_vbus(vbus_ext); 401 __hpt_do_tasks(vbus_ext); 402 hpt_unlock_vbus(vbus_ext); 403 } 404 } 405 406 static void hpt_action(struct cam_sim *sim, union ccb *ccb); 407 static void hpt_poll(struct cam_sim *sim); 408 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 409 static void hpt_pci_intr(void *arg); 410 411 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext) 412 { 413 POS_CMDEXT p = vbus_ext->cmdext_list; 414 if (p) 415 vbus_ext->cmdext_list = p->next; 416 return p; 417 } 418 419 static __inline void cmdext_put(POS_CMDEXT p) 420 { 421 p->next = p->vbus_ext->cmdext_list; 422 p->vbus_ext->cmdext_list = p; 423 } 424 425 static void hpt_timeout(void *arg) 426 { 427 PCOMMAND pCmd = (PCOMMAND)arg; 428 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 429 430 KdPrint(("pCmd %p timeout", pCmd)); 431 432 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus); 433 } 434 435 static void os_cmddone(PCOMMAND pCmd) 436 { 437 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 438 union ccb *ccb = ext->ccb; 439 440 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result)); 441 442 callout_stop(&ext->timeout); 443 444 switch(pCmd->Result) { 445 case RETURN_SUCCESS: 446 ccb->ccb_h.status = CAM_REQ_CMP; 447 break; 448 case RETURN_BAD_DEVICE: 449 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 450 break; 451 case RETURN_DEVICE_BUSY: 452 ccb->ccb_h.status = CAM_BUSY; 453 break; 454 case RETURN_INVALID_REQUEST: 455 ccb->ccb_h.status = CAM_REQ_INVALID; 456 break; 457 case RETURN_SELECTION_TIMEOUT: 458 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 459 break; 460 case RETURN_RETRY: 461 ccb->ccb_h.status = CAM_BUSY; 462 break; 463 default: 464 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR; 465 break; 466 } 467 468 if (pCmd->flags.data_in) { 469 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD); 470 } 471 else if (pCmd->flags.data_out) { 472 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE); 473 } 474 475 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map); 476 477 cmdext_put(ext); 478 ldm_free_cmds(pCmd); 479 xpt_done(ccb); 480 } 481 482 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical) 483 { 484 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 485 union ccb *ccb = ext->ccb; 486 487 if (logical) { 488 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); 489 pSg->size = ccb->csio.dxfer_len; 490 pSg->eot = 1; 491 return TRUE; 492 } 493 494 /* since we have provided physical sg, nobody will ask us to build physical sg */ 495 HPT_ASSERT(0); 496 return FALSE; 497 } 498 499 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 500 { 501 PCOMMAND pCmd = (PCOMMAND)arg; 502 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 503 PSG psg = pCmd->psg; 504 int idx; 505 506 HPT_ASSERT(pCmd->flags.physical_sg); 507 508 if (error) 509 panic("busdma error"); 510 511 HPT_ASSERT(nsegs<=os_max_sg_descriptors); 512 513 if (nsegs != 0) { 514 for (idx = 0; idx < nsegs; idx++, psg++) { 515 psg->addr.bus = segs[idx].ds_addr; 516 psg->size = segs[idx].ds_len; 517 psg->eot = 0; 518 } 519 psg[-1].eot = 1; 520 521 if (pCmd->flags.data_in) { 522 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 523 BUS_DMASYNC_PREREAD); 524 } 525 else if (pCmd->flags.data_out) { 526 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 527 BUS_DMASYNC_PREWRITE); 528 } 529 } 530 callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd); 531 ldm_queue_cmd(pCmd); 532 } 533 534 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb) 535 { 536 PVBUS vbus = (PVBUS)vbus_ext->vbus; 537 PVDEV vd; 538 PCOMMAND pCmd; 539 POS_CMDEXT ext; 540 HPT_U8 *cdb; 541 542 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 543 cdb = ccb->csio.cdb_io.cdb_ptr; 544 else 545 cdb = ccb->csio.cdb_io.cdb_bytes; 546 547 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x", 548 ccb, 549 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 550 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8] 551 )); 552 553 /* ccb->ccb_h.path_id is not our bus id - don't check it */ 554 if (ccb->ccb_h.target_lun != 0 || 555 ccb->ccb_h.target_id >= osm_max_targets || 556 (ccb->ccb_h.flags & CAM_CDB_PHYS)) 557 { 558 ccb->ccb_h.status = CAM_TID_INVALID; 559 xpt_done(ccb); 560 return; 561 } 562 563 vd = ldm_find_target(vbus, ccb->ccb_h.target_id); 564 565 if (!vd) { 566 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 567 xpt_done(ccb); 568 return; 569 } 570 571 switch (cdb[0]) { 572 case TEST_UNIT_READY: 573 case START_STOP_UNIT: 574 case SYNCHRONIZE_CACHE: 575 ccb->ccb_h.status = CAM_REQ_CMP; 576 break; 577 578 case INQUIRY: 579 { 580 PINQUIRYDATA inquiryData; 581 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len); 582 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr; 583 584 inquiryData->AdditionalLength = 31; 585 inquiryData->CommandQueue = 1; 586 memcpy(&inquiryData->VendorId, "HPT ", 8); 587 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16); 588 589 if (vd->target_id / 10) { 590 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0'; 591 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0'; 592 } 593 else 594 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0'; 595 596 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4); 597 598 ccb->ccb_h.status = CAM_REQ_CMP; 599 } 600 break; 601 602 case READ_CAPACITY: 603 { 604 HPT_U8 *rbuf = ccb->csio.data_ptr; 605 HPT_U32 cap; 606 607 if (vd->capacity>0xfffffffful) 608 cap = 0xfffffffful; 609 else 610 cap = vd->capacity - 1; 611 612 rbuf[0] = (HPT_U8)(cap>>24); 613 rbuf[1] = (HPT_U8)(cap>>16); 614 rbuf[2] = (HPT_U8)(cap>>8); 615 rbuf[3] = (HPT_U8)cap; 616 rbuf[4] = 0; 617 rbuf[5] = 0; 618 rbuf[6] = 2; 619 rbuf[7] = 0; 620 621 ccb->ccb_h.status = CAM_REQ_CMP; 622 break; 623 } 624 625 case SERVICE_ACTION_IN: 626 { 627 HPT_U8 *rbuf = ccb->csio.data_ptr; 628 HPT_U64 cap = vd->capacity - 1; 629 630 rbuf[0] = (HPT_U8)(cap>>56); 631 rbuf[1] = (HPT_U8)(cap>>48); 632 rbuf[2] = (HPT_U8)(cap>>40); 633 rbuf[3] = (HPT_U8)(cap>>32); 634 rbuf[4] = (HPT_U8)(cap>>24); 635 rbuf[5] = (HPT_U8)(cap>>16); 636 rbuf[6] = (HPT_U8)(cap>>8); 637 rbuf[7] = (HPT_U8)cap; 638 rbuf[8] = 0; 639 rbuf[9] = 0; 640 rbuf[10] = 2; 641 rbuf[11] = 0; 642 643 ccb->ccb_h.status = CAM_REQ_CMP; 644 break; 645 } 646 647 case READ_6: 648 case READ_10: 649 case READ_16: 650 case WRITE_6: 651 case WRITE_10: 652 case WRITE_16: 653 case 0x13: 654 case 0x2f: 655 case 0x8f: /* VERIFY_16 */ 656 { 657 int error; 658 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request); 659 if(!pCmd){ 660 KdPrint(("Failed to allocate command!")); 661 ccb->ccb_h.status = CAM_BUSY; 662 break; 663 } 664 665 switch (cdb[0]) { 666 case READ_6: 667 case WRITE_6: 668 case 0x13: 669 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3]; 670 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4]; 671 break; 672 case READ_16: 673 case WRITE_16: 674 case 0x8f: /* VERIFY_16 */ 675 { 676 HPT_U64 block = 677 ((HPT_U64)cdb[2]<<56) | 678 ((HPT_U64)cdb[3]<<48) | 679 ((HPT_U64)cdb[4]<<40) | 680 ((HPT_U64)cdb[5]<<32) | 681 ((HPT_U64)cdb[6]<<24) | 682 ((HPT_U64)cdb[7]<<16) | 683 ((HPT_U64)cdb[8]<<8) | 684 ((HPT_U64)cdb[9]); 685 pCmd->uCmd.Ide.Lba = block; 686 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 687 break; 688 } 689 690 default: 691 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 692 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 693 break; 694 } 695 696 switch (cdb[0]) { 697 case READ_6: 698 case READ_10: 699 case READ_16: 700 pCmd->flags.data_in = 1; 701 break; 702 case WRITE_6: 703 case WRITE_10: 704 case WRITE_16: 705 pCmd->flags.data_out = 1; 706 break; 707 } 708 pCmd->priv = ext = cmdext_get(vbus_ext); 709 HPT_ASSERT(ext); 710 ext->ccb = ccb; 711 pCmd->target = vd; 712 pCmd->done = os_cmddone; 713 pCmd->buildsgl = os_buildsgl; 714 pCmd->psg = ext->psg; 715 pCmd->flags.physical_sg = 1; 716 error = bus_dmamap_load_ccb(vbus_ext->io_dmat, 717 ext->dma_map, ccb, 718 hpt_io_dmamap_callback, pCmd, 719 BUS_DMA_WAITOK 720 ); 721 KdPrint(("bus_dmamap_load return %d", error)); 722 if (error && error!=EINPROGRESS) { 723 os_printk("bus_dmamap_load error %d", error); 724 cmdext_put(ext); 725 ldm_free_cmds(pCmd); 726 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 727 xpt_done(ccb); 728 } 729 return; 730 } 731 732 default: 733 ccb->ccb_h.status = CAM_REQ_INVALID; 734 break; 735 } 736 737 xpt_done(ccb); 738 return; 739 } 740 741 static void hpt_action(struct cam_sim *sim, union ccb *ccb) 742 { 743 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 744 745 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id)); 746 747 hpt_assert_vbus_locked(vbus_ext); 748 switch (ccb->ccb_h.func_code) { 749 750 case XPT_SCSI_IO: 751 hpt_scsi_io(vbus_ext, ccb); 752 return; 753 754 case XPT_RESET_BUS: 755 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 756 break; 757 758 case XPT_GET_TRAN_SETTINGS: 759 case XPT_SET_TRAN_SETTINGS: 760 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 761 break; 762 763 case XPT_CALC_GEOMETRY: 764 ccb->ccg.heads = 255; 765 ccb->ccg.secs_per_track = 63; 766 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track); 767 ccb->ccb_h.status = CAM_REQ_CMP; 768 break; 769 770 case XPT_PATH_INQ: 771 { 772 struct ccb_pathinq *cpi = &ccb->cpi; 773 774 cpi->version_num = 1; 775 cpi->hba_inquiry = PI_SDTR_ABLE; 776 cpi->target_sprt = 0; 777 cpi->hba_misc = PIM_NOBUSRESET; 778 cpi->hba_eng_cnt = 0; 779 cpi->max_target = osm_max_targets; 780 cpi->max_lun = 0; 781 cpi->unit_number = cam_sim_unit(sim); 782 cpi->bus_id = cam_sim_bus(sim); 783 cpi->initiator_id = osm_max_targets; 784 cpi->base_transfer_speed = 3300; 785 786 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 787 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 788 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 789 cpi->transport = XPORT_SPI; 790 cpi->transport_version = 2; 791 cpi->protocol = PROTO_SCSI; 792 cpi->protocol_version = SCSI_REV_2; 793 cpi->ccb_h.status = CAM_REQ_CMP; 794 break; 795 } 796 797 default: 798 ccb->ccb_h.status = CAM_REQ_INVALID; 799 break; 800 } 801 802 xpt_done(ccb); 803 return; 804 } 805 806 static void hpt_pci_intr(void *arg) 807 { 808 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 809 hpt_lock_vbus(vbus_ext); 810 ldm_intr((PVBUS)vbus_ext->vbus); 811 hpt_unlock_vbus(vbus_ext); 812 } 813 814 static void hpt_poll(struct cam_sim *sim) 815 { 816 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 817 818 hpt_assert_vbus_locked(vbus_ext); 819 ldm_intr((PVBUS)vbus_ext->vbus); 820 } 821 822 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg) 823 { 824 KdPrint(("hpt_async")); 825 } 826 827 static int hpt_shutdown(device_t dev) 828 { 829 KdPrint(("hpt_shutdown(dev=%p)", dev)); 830 return 0; 831 } 832 833 static int hpt_detach(device_t dev) 834 { 835 /* we don't allow the driver to be unloaded. */ 836 return EBUSY; 837 } 838 839 static void hpt_ioctl_done(struct _IOCTL_ARG *arg) 840 { 841 arg->ioctl_cmnd = 0; 842 wakeup(arg); 843 } 844 845 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args) 846 { 847 ioctl_args->result = -1; 848 ioctl_args->done = hpt_ioctl_done; 849 ioctl_args->ioctl_cmnd = (void *)1; 850 851 hpt_lock_vbus(vbus_ext); 852 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args); 853 854 while (ioctl_args->ioctl_cmnd) { 855 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0) 856 break; 857 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 858 __hpt_do_tasks(vbus_ext); 859 } 860 861 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */ 862 863 hpt_unlock_vbus(vbus_ext); 864 } 865 866 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args) 867 { 868 PVBUS vbus; 869 PVBUS_EXT vbus_ext; 870 871 ldm_for_each_vbus(vbus, vbus_ext) { 872 __hpt_do_ioctl(vbus_ext, ioctl_args); 873 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS) 874 return; 875 } 876 } 877 878 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\ 879 IOCTL_ARG arg;\ 880 arg.dwIoControlCode = code;\ 881 arg.lpInBuffer = inbuf;\ 882 arg.lpOutBuffer = outbuf;\ 883 arg.nInBufferSize = insize;\ 884 arg.nOutBufferSize = outsize;\ 885 arg.lpBytesReturned = 0;\ 886 hpt_do_ioctl(&arg);\ 887 arg.result;\ 888 }) 889 890 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff)) 891 892 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount) 893 { 894 int i; 895 HPT_U32 count = nMaxCount-1; 896 897 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES, 898 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount)) 899 return -1; 900 901 nMaxCount = (int)pIds[0]; 902 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1]; 903 return nMaxCount; 904 } 905 906 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo) 907 { 908 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3, 909 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3)); 910 } 911 912 /* not belong to this file logically, but we want to use ioctl interface */ 913 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id) 914 { 915 LOGICAL_DEVICE_INFO_V3 devinfo; 916 int i, result; 917 DEVICEID param[2] = { id, 0 }; 918 919 if (hpt_get_device_info_v3(id, &devinfo)) 920 return -1; 921 922 if (devinfo.Type!=LDT_ARRAY) 923 return -1; 924 925 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING) 926 param[1] = AS_REBUILD_ABORT; 927 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING) 928 param[1] = AS_VERIFY_ABORT; 929 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING) 930 param[1] = AS_INITIALIZE_ABORT; 931 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING) 932 param[1] = AS_TRANSFORM_ABORT; 933 else 934 return -1; 935 936 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1])); 937 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE, 938 param, sizeof(param), 0, 0); 939 940 for (i=0; i<devinfo.u.array.nDisk; i++) 941 if (DEVICEID_VALID(devinfo.u.array.Members[i])) 942 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]); 943 944 return result; 945 } 946 947 static void hpt_stop_tasks(PVBUS_EXT vbus_ext) 948 { 949 DEVICEID ids[32]; 950 int i, count; 951 952 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0])); 953 954 for (i=0; i<count; i++) 955 __hpt_stop_tasks(vbus_ext, ids[i]); 956 } 957 958 static d_open_t hpt_open; 959 static d_close_t hpt_close; 960 static d_ioctl_t hpt_ioctl; 961 static int hpt_rescan_bus(void); 962 963 static struct cdevsw hpt_cdevsw = { 964 .d_open = hpt_open, 965 .d_close = hpt_close, 966 .d_ioctl = hpt_ioctl, 967 .d_name = driver_name, 968 .d_version = D_VERSION, 969 }; 970 971 static struct intr_config_hook hpt_ich; 972 973 /* 974 * hpt_final_init will be called after all hpt_attach. 975 */ 976 static void hpt_final_init(void *dummy) 977 { 978 int i,unit_number=0; 979 PVBUS_EXT vbus_ext; 980 PVBUS vbus; 981 PHBA hba; 982 983 /* Clear the config hook */ 984 config_intrhook_disestablish(&hpt_ich); 985 986 /* allocate memory */ 987 i = 0; 988 ldm_for_each_vbus(vbus, vbus_ext) { 989 if (hpt_alloc_mem(vbus_ext)) { 990 os_printk("out of memory"); 991 return; 992 } 993 i++; 994 } 995 996 if (!i) { 997 if (bootverbose) 998 os_printk("no controller detected."); 999 return; 1000 } 1001 1002 /* initializing hardware */ 1003 ldm_for_each_vbus(vbus, vbus_ext) { 1004 /* make timer available here */ 1005 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF); 1006 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0); 1007 if (hpt_init_vbus(vbus_ext)) { 1008 os_printk("fail to initialize hardware"); 1009 break; /* FIXME */ 1010 } 1011 } 1012 1013 /* register CAM interface */ 1014 ldm_for_each_vbus(vbus, vbus_ext) { 1015 struct cam_devq *devq; 1016 struct ccb_setasync ccb; 1017 1018 if (bus_dma_tag_create(NULL,/* parent */ 1019 4, /* alignment */ 1020 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */ 1021 BUS_SPACE_MAXADDR, /* lowaddr */ 1022 BUS_SPACE_MAXADDR, /* highaddr */ 1023 NULL, NULL, /* filter, filterarg */ 1024 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */ 1025 os_max_sg_descriptors, /* nsegments */ 1026 0x10000, /* maxsegsize */ 1027 BUS_DMA_WAITOK, /* flags */ 1028 busdma_lock_mutex, /* lockfunc */ 1029 &vbus_ext->lock, /* lockfuncarg */ 1030 &vbus_ext->io_dmat /* tag */)) 1031 { 1032 return ; 1033 } 1034 1035 for (i=0; i<os_max_queue_comm; i++) { 1036 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK); 1037 if (!ext) { 1038 os_printk("Can't alloc cmdext(%d)", i); 1039 return ; 1040 } 1041 ext->vbus_ext = vbus_ext; 1042 ext->next = vbus_ext->cmdext_list; 1043 vbus_ext->cmdext_list = ext; 1044 1045 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) { 1046 os_printk("Can't create dma map(%d)", i); 1047 return ; 1048 } 1049 callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0); 1050 } 1051 1052 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) { 1053 os_printk("cam_simq_alloc failed"); 1054 return ; 1055 } 1056 1057 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1058 vbus_ext, unit_number, &vbus_ext->lock, os_max_queue_comm, /*tagged*/8, devq); 1059 unit_number++; 1060 if (!vbus_ext->sim) { 1061 os_printk("cam_sim_alloc failed"); 1062 cam_simq_free(devq); 1063 return ; 1064 } 1065 1066 hpt_lock_vbus(vbus_ext); 1067 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) { 1068 hpt_unlock_vbus(vbus_ext); 1069 os_printk("xpt_bus_register failed"); 1070 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE); 1071 vbus_ext->sim = NULL; 1072 return ; 1073 } 1074 1075 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL, 1076 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1077 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1078 { 1079 hpt_unlock_vbus(vbus_ext); 1080 os_printk("xpt_create_path failed"); 1081 xpt_bus_deregister(cam_sim_path(vbus_ext->sim)); 1082 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE); 1083 vbus_ext->sim = NULL; 1084 return ; 1085 } 1086 1087 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5); 1088 ccb.ccb_h.func_code = XPT_SASYNC_CB; 1089 ccb.event_enable = AC_LOST_DEVICE; 1090 ccb.callback = hpt_async; 1091 ccb.callback_arg = vbus_ext; 1092 xpt_action((union ccb *)&ccb); 1093 hpt_unlock_vbus(vbus_ext); 1094 1095 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1096 int rid = 0; 1097 if ((hba->irq_res = bus_alloc_resource(hba->pcidev, 1098 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1099 { 1100 os_printk("can't allocate interrupt"); 1101 return ; 1102 } 1103 1104 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE, 1105 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1106 { 1107 os_printk("can't set up interrupt"); 1108 return ; 1109 } 1110 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 1111 1112 } 1113 1114 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, 1115 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT); 1116 if (!vbus_ext->shutdown_eh) 1117 os_printk("Shutdown event registration failed"); 1118 } 1119 1120 ldm_for_each_vbus(vbus, vbus_ext) { 1121 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext); 1122 if (vbus_ext->tasks) 1123 TASK_ENQUEUE(&vbus_ext->worker); 1124 } 1125 1126 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR, 1127 S_IRUSR | S_IWUSR, "%s", driver_name); 1128 } 1129 1130 #if defined(KLD_MODULE) 1131 1132 typedef struct driverlink *driverlink_t; 1133 struct driverlink { 1134 kobj_class_t driver; 1135 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */ 1136 }; 1137 1138 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t; 1139 1140 struct devclass { 1141 TAILQ_ENTRY(devclass) link; 1142 devclass_t parent; /* parent in devclass hierarchy */ 1143 driver_list_t drivers; /* bus devclasses store drivers for bus */ 1144 char *name; 1145 device_t *devices; /* array of devices indexed by unit */ 1146 int maxunit; /* size of devices array */ 1147 }; 1148 1149 static void override_kernel_driver(void) 1150 { 1151 driverlink_t dl, dlfirst; 1152 driver_t *tmpdriver; 1153 devclass_t dc = devclass_find("pci"); 1154 1155 if (dc){ 1156 dlfirst = TAILQ_FIRST(&dc->drivers); 1157 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) { 1158 if(strcmp(dl->driver->name, driver_name) == 0) { 1159 tmpdriver=dl->driver; 1160 dl->driver=dlfirst->driver; 1161 dlfirst->driver=tmpdriver; 1162 break; 1163 } 1164 } 1165 } 1166 } 1167 1168 #else 1169 #define override_kernel_driver() 1170 #endif 1171 1172 static void hpt_init(void *dummy) 1173 { 1174 if (bootverbose) 1175 os_printk("%s %s", driver_name_long, driver_ver); 1176 1177 override_kernel_driver(); 1178 init_config(); 1179 1180 hpt_ich.ich_func = hpt_final_init; 1181 hpt_ich.ich_arg = NULL; 1182 if (config_intrhook_establish(&hpt_ich) != 0) { 1183 printf("%s: cannot establish configuration hook\n", 1184 driver_name_long); 1185 } 1186 1187 } 1188 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL); 1189 1190 /* 1191 * CAM driver interface 1192 */ 1193 static device_method_t driver_methods[] = { 1194 /* Device interface */ 1195 DEVMETHOD(device_probe, hpt_probe), 1196 DEVMETHOD(device_attach, hpt_attach), 1197 DEVMETHOD(device_detach, hpt_detach), 1198 DEVMETHOD(device_shutdown, hpt_shutdown), 1199 { 0, 0 } 1200 }; 1201 1202 static driver_t hpt_pci_driver = { 1203 driver_name, 1204 driver_methods, 1205 sizeof(HBA) 1206 }; 1207 1208 static devclass_t hpt_devclass; 1209 1210 #ifndef TARGETNAME 1211 #error "no TARGETNAME found" 1212 #endif 1213 1214 /* use this to make TARGETNAME be expanded */ 1215 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6) 1216 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2) 1217 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5) 1218 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0); 1219 __MODULE_VERSION(TARGETNAME, 1); 1220 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1); 1221 1222 static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td) 1223 { 1224 return 0; 1225 } 1226 1227 static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td) 1228 { 1229 return 0; 1230 } 1231 1232 static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td) 1233 { 1234 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data; 1235 IOCTL_ARG ioctl_args; 1236 HPT_U32 bytesReturned; 1237 1238 switch (cmd){ 1239 case HPT_DO_IOCONTROL: 1240 { 1241 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) { 1242 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n", 1243 piop->dwIoControlCode, 1244 piop->lpInBuffer, 1245 piop->nInBufferSize, 1246 piop->lpOutBuffer, 1247 piop->nOutBufferSize)); 1248 1249 memset(&ioctl_args, 0, sizeof(ioctl_args)); 1250 1251 ioctl_args.dwIoControlCode = piop->dwIoControlCode; 1252 ioctl_args.nInBufferSize = piop->nInBufferSize; 1253 ioctl_args.nOutBufferSize = piop->nOutBufferSize; 1254 ioctl_args.lpBytesReturned = &bytesReturned; 1255 1256 if (ioctl_args.nInBufferSize) { 1257 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK); 1258 if (!ioctl_args.lpInBuffer) 1259 goto invalid; 1260 if (copyin((void*)piop->lpInBuffer, 1261 ioctl_args.lpInBuffer, piop->nInBufferSize)) 1262 goto invalid; 1263 } 1264 1265 if (ioctl_args.nOutBufferSize) { 1266 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK); 1267 if (!ioctl_args.lpOutBuffer) 1268 goto invalid; 1269 } 1270 1271 hpt_do_ioctl(&ioctl_args); 1272 1273 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) { 1274 if (piop->nOutBufferSize) { 1275 if (copyout(ioctl_args.lpOutBuffer, 1276 (void*)piop->lpOutBuffer, piop->nOutBufferSize)) 1277 goto invalid; 1278 } 1279 if (piop->lpBytesReturned) { 1280 if (copyout(&bytesReturned, 1281 (void*)piop->lpBytesReturned, sizeof(HPT_U32))) 1282 goto invalid; 1283 } 1284 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1285 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1286 return 0; 1287 } 1288 invalid: 1289 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1290 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1291 return EFAULT; 1292 } 1293 return EFAULT; 1294 } 1295 1296 case HPT_SCAN_BUS: 1297 { 1298 return hpt_rescan_bus(); 1299 } 1300 default: 1301 KdPrint(("invalid command!")); 1302 return EFAULT; 1303 } 1304 1305 } 1306 1307 static int hpt_rescan_bus(void) 1308 { 1309 union ccb *ccb; 1310 PVBUS vbus; 1311 PVBUS_EXT vbus_ext; 1312 1313 ldm_for_each_vbus(vbus, vbus_ext) { 1314 if ((ccb = xpt_alloc_ccb()) == NULL) 1315 { 1316 return(ENOMEM); 1317 } 1318 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim), 1319 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1320 { 1321 xpt_free_ccb(ccb); 1322 return(EIO); 1323 } 1324 xpt_rescan(ccb); 1325 } 1326 return(0); 1327 } 1328 1329