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 #if __FreeBSD_version >=440000 84 pci_enable_busmaster(dev); 85 #endif 86 87 pci_id.vid = pci_get_vendor(dev); 88 pci_id.did = pci_get_device(dev); 89 pci_id.rev = pci_get_revid(dev); 90 pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev); 91 92 size = him->get_adapter_size(&pci_id); 93 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK); 94 if (!hba->ldm_adapter.him_handle) 95 return ENXIO; 96 97 hba->pcidev = dev; 98 hba->pciaddr.tree = 0; 99 hba->pciaddr.bus = pci_get_bus(dev); 100 hba->pciaddr.device = pci_get_slot(dev); 101 hba->pciaddr.function = pci_get_function(dev); 102 103 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) { 104 free(hba->ldm_adapter.him_handle, M_DEVBUF); 105 return ENXIO; 106 } 107 108 os_printk("adapter at PCI %d:%d:%d, IRQ %d", 109 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev)); 110 111 if (!ldm_register_adapter(&hba->ldm_adapter)) { 112 size = ldm_get_vbus_size(); 113 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK); 114 if (!vbus_ext) { 115 free(hba->ldm_adapter.him_handle, M_DEVBUF); 116 return ENXIO; 117 } 118 memset(vbus_ext, 0, sizeof(VBUS_EXT)); 119 vbus_ext->ext_type = EXT_TYPE_VBUS; 120 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext); 121 ldm_register_adapter(&hba->ldm_adapter); 122 } 123 124 ldm_for_each_vbus(vbus, vbus_ext) { 125 if (hba->ldm_adapter.vbus==vbus) { 126 hba->vbus_ext = vbus_ext; 127 hba->next = vbus_ext->hba_list; 128 vbus_ext->hba_list = hba; 129 break; 130 } 131 } 132 return 0; 133 } 134 135 /* 136 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory, 137 * but there are some problems currently (alignment, etc). 138 */ 139 static __inline void *__get_free_pages(int order) 140 { 141 /* don't use low memory - other devices may get starved */ 142 return contigmalloc(PAGE_SIZE<<order, 143 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0); 144 } 145 146 static __inline void free_pages(void *p, int order) 147 { 148 contigfree(p, PAGE_SIZE<<order, M_DEVBUF); 149 } 150 151 static int hpt_alloc_mem(PVBUS_EXT vbus_ext) 152 { 153 PHBA hba; 154 struct freelist *f; 155 HPT_UINT i; 156 void **p; 157 158 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 159 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle); 160 161 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0); 162 163 for (f=vbus_ext->freelist_head; f; f=f->next) { 164 KdPrint(("%s: %d*%d=%d bytes", 165 f->tag, f->count, f->size, f->count*f->size)); 166 for (i=0; i<f->count; i++) { 167 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK); 168 if (!p) return (ENXIO); 169 *p = f->head; 170 f->head = p; 171 } 172 } 173 174 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 175 int order, size, j; 176 177 HPT_ASSERT((f->size & (f->alignment-1))==0); 178 179 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) 180 ; 181 182 KdPrint(("%s: %d*%d=%d bytes, order %d", 183 f->tag, f->count, f->size, f->count*f->size, order)); 184 HPT_ASSERT(f->alignment<=PAGE_SIZE); 185 186 for (i=0; i<f->count;) { 187 p = (void **)__get_free_pages(order); 188 if (!p) return -1; 189 for (j = size/f->size; j && i<f->count; i++,j--) { 190 *p = f->head; 191 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p); 192 f->head = p; 193 p = (void **)((unsigned long)p + f->size); 194 } 195 } 196 } 197 198 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE); 199 200 for (i=0; i<os_max_cache_pages; i++) { 201 p = (void **)__get_free_pages(0); 202 if (!p) return -1; 203 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0); 204 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p)); 205 } 206 207 return 0; 208 } 209 210 static void hpt_free_mem(PVBUS_EXT vbus_ext) 211 { 212 struct freelist *f; 213 void *p; 214 int i; 215 BUS_ADDRESS bus; 216 217 for (f=vbus_ext->freelist_head; f; f=f->next) { 218 #if DBG 219 if (f->count!=f->reserved_count) { 220 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 221 } 222 #endif 223 while ((p=freelist_get(f))) 224 free(p, M_DEVBUF); 225 } 226 227 for (i=0; i<os_max_cache_pages; i++) { 228 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus); 229 HPT_ASSERT(p); 230 free_pages(p, 0); 231 } 232 233 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 234 int order, size; 235 #if DBG 236 if (f->count!=f->reserved_count) { 237 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 238 } 239 #endif 240 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 241 242 while ((p=freelist_get_dma(f, &bus))) { 243 if (order) 244 free_pages(p, order); 245 else { 246 /* can't free immediately since other blocks in this page may still be in the list */ 247 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0) 248 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus); 249 } 250 } 251 } 252 253 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus))) 254 free_pages(p, 0); 255 } 256 257 static int hpt_init_vbus(PVBUS_EXT vbus_ext) 258 { 259 PHBA hba; 260 261 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 262 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) { 263 KdPrint(("fail to initialize %p", hba)); 264 return -1; 265 } 266 267 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter); 268 return 0; 269 } 270 271 static void hpt_flush_done(PCOMMAND pCmd) 272 { 273 PVDEV vd = pCmd->target; 274 275 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) { 276 vd = vd->u.array.transform->target; 277 HPT_ASSERT(vd); 278 pCmd->target = vd; 279 pCmd->Result = RETURN_PENDING; 280 vdev_queue_cmd(pCmd); 281 return; 282 } 283 284 *(int *)pCmd->priv = 1; 285 wakeup(pCmd); 286 } 287 288 /* 289 * flush a vdev (without retry). 290 */ 291 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd) 292 { 293 PCOMMAND pCmd; 294 int result = 0, done; 295 HPT_UINT count; 296 297 KdPrint(("flusing dev %p", vd)); 298 299 hpt_lock_vbus(vbus_ext); 300 301 if (mIsArray(vd->type) && vd->u.array.transform) 302 count = MAX(vd->u.array.transform->source->cmds_per_request, 303 vd->u.array.transform->target->cmds_per_request); 304 else 305 count = vd->cmds_per_request; 306 307 pCmd = ldm_alloc_cmds(vd->vbus, count); 308 309 if (!pCmd) { 310 hpt_unlock_vbus(vbus_ext); 311 return -1; 312 } 313 314 pCmd->type = CMD_TYPE_FLUSH; 315 pCmd->flags.hard_flush = 1; 316 pCmd->target = vd; 317 pCmd->done = hpt_flush_done; 318 done = 0; 319 pCmd->priv = &done; 320 321 ldm_queue_cmd(pCmd); 322 323 if (!done) { 324 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) { 325 ldm_reset_vbus(vd->vbus); 326 } 327 } 328 329 KdPrint(("flush result %d", pCmd->Result)); 330 331 if (pCmd->Result!=RETURN_SUCCESS) 332 result = -1; 333 334 ldm_free_cmds(pCmd); 335 336 hpt_unlock_vbus(vbus_ext); 337 338 return result; 339 } 340 341 static void hpt_stop_tasks(PVBUS_EXT vbus_ext); 342 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto) 343 { 344 PVBUS vbus = (PVBUS)vbus_ext->vbus; 345 PHBA hba; 346 int i; 347 348 KdPrint(("hpt_shutdown_vbus")); 349 350 /* stop all ctl tasks and disable the worker taskqueue */ 351 hpt_stop_tasks(vbus_ext); 352 vbus_ext->worker.ta_context = 0; 353 354 /* flush devices */ 355 for (i=0; i<osm_max_targets; i++) { 356 PVDEV vd = ldm_find_target(vbus, i); 357 if (vd) { 358 /* retry once */ 359 if (hpt_flush_vdev(vbus_ext, vd)) 360 hpt_flush_vdev(vbus_ext, vd); 361 } 362 } 363 364 hpt_lock_vbus(vbus_ext); 365 ldm_shutdown(vbus); 366 hpt_unlock_vbus(vbus_ext); 367 368 ldm_release_vbus(vbus); 369 370 for (hba=vbus_ext->hba_list; hba; hba=hba->next) 371 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle); 372 373 hpt_free_mem(vbus_ext); 374 375 while ((hba=vbus_ext->hba_list)) { 376 vbus_ext->hba_list = hba->next; 377 free(hba->ldm_adapter.him_handle, M_DEVBUF); 378 } 379 380 free(vbus_ext, M_DEVBUF); 381 KdPrint(("hpt_shutdown_vbus done")); 382 } 383 384 static void __hpt_do_tasks(PVBUS_EXT vbus_ext) 385 { 386 OSM_TASK *tasks; 387 388 tasks = vbus_ext->tasks; 389 vbus_ext->tasks = 0; 390 391 while (tasks) { 392 OSM_TASK *t = tasks; 393 tasks = t->next; 394 t->next = 0; 395 t->func(vbus_ext->vbus, t->data); 396 } 397 } 398 399 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending) 400 { 401 if(vbus_ext){ 402 hpt_lock_vbus(vbus_ext); 403 __hpt_do_tasks(vbus_ext); 404 hpt_unlock_vbus(vbus_ext); 405 } 406 } 407 408 static void hpt_action(struct cam_sim *sim, union ccb *ccb); 409 static void hpt_poll(struct cam_sim *sim); 410 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 411 static void hpt_pci_intr(void *arg); 412 413 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext) 414 { 415 POS_CMDEXT p = vbus_ext->cmdext_list; 416 if (p) 417 vbus_ext->cmdext_list = p->next; 418 return p; 419 } 420 421 static __inline void cmdext_put(POS_CMDEXT p) 422 { 423 p->next = p->vbus_ext->cmdext_list; 424 p->vbus_ext->cmdext_list = p; 425 } 426 427 static void hpt_timeout(void *arg) 428 { 429 PCOMMAND pCmd = (PCOMMAND)arg; 430 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 431 432 KdPrint(("pCmd %p timeout", pCmd)); 433 434 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus); 435 } 436 437 static void os_cmddone(PCOMMAND pCmd) 438 { 439 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 440 union ccb *ccb = ext->ccb; 441 442 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result)); 443 444 callout_stop(&ext->timeout); 445 446 switch(pCmd->Result) { 447 case RETURN_SUCCESS: 448 ccb->ccb_h.status = CAM_REQ_CMP; 449 break; 450 case RETURN_BAD_DEVICE: 451 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 452 break; 453 case RETURN_DEVICE_BUSY: 454 ccb->ccb_h.status = CAM_BUSY; 455 break; 456 case RETURN_INVALID_REQUEST: 457 ccb->ccb_h.status = CAM_REQ_INVALID; 458 break; 459 case RETURN_SELECTION_TIMEOUT: 460 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 461 break; 462 case RETURN_RETRY: 463 ccb->ccb_h.status = CAM_BUSY; 464 break; 465 default: 466 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR; 467 break; 468 } 469 470 if (pCmd->flags.data_in) { 471 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD); 472 } 473 else if (pCmd->flags.data_out) { 474 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE); 475 } 476 477 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map); 478 479 cmdext_put(ext); 480 ldm_free_cmds(pCmd); 481 xpt_done(ccb); 482 } 483 484 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical) 485 { 486 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 487 union ccb *ccb = ext->ccb; 488 489 if (logical) { 490 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); 491 pSg->size = ccb->csio.dxfer_len; 492 pSg->eot = 1; 493 return TRUE; 494 } 495 496 /* since we have provided physical sg, nobody will ask us to build physical sg */ 497 HPT_ASSERT(0); 498 return FALSE; 499 } 500 501 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 502 { 503 PCOMMAND pCmd = (PCOMMAND)arg; 504 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 505 PSG psg = pCmd->psg; 506 int idx; 507 508 HPT_ASSERT(pCmd->flags.physical_sg); 509 510 if (error) 511 panic("busdma error"); 512 513 HPT_ASSERT(nsegs<=os_max_sg_descriptors); 514 515 if (nsegs != 0) { 516 for (idx = 0; idx < nsegs; idx++, psg++) { 517 psg->addr.bus = segs[idx].ds_addr; 518 psg->size = segs[idx].ds_len; 519 psg->eot = 0; 520 } 521 psg[-1].eot = 1; 522 523 if (pCmd->flags.data_in) { 524 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 525 BUS_DMASYNC_PREREAD); 526 } 527 else if (pCmd->flags.data_out) { 528 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 529 BUS_DMASYNC_PREWRITE); 530 } 531 } 532 callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd); 533 ldm_queue_cmd(pCmd); 534 } 535 536 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb) 537 { 538 PVBUS vbus = (PVBUS)vbus_ext->vbus; 539 PVDEV vd; 540 PCOMMAND pCmd; 541 POS_CMDEXT ext; 542 HPT_U8 *cdb; 543 544 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 545 cdb = ccb->csio.cdb_io.cdb_ptr; 546 else 547 cdb = ccb->csio.cdb_io.cdb_bytes; 548 549 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x", 550 ccb, 551 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 552 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8] 553 )); 554 555 /* ccb->ccb_h.path_id is not our bus id - don't check it */ 556 if (ccb->ccb_h.target_lun != 0 || 557 ccb->ccb_h.target_id >= osm_max_targets || 558 (ccb->ccb_h.flags & CAM_CDB_PHYS)) 559 { 560 ccb->ccb_h.status = CAM_TID_INVALID; 561 xpt_done(ccb); 562 return; 563 } 564 565 vd = ldm_find_target(vbus, ccb->ccb_h.target_id); 566 567 if (!vd) { 568 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 569 xpt_done(ccb); 570 return; 571 } 572 573 switch (cdb[0]) { 574 case TEST_UNIT_READY: 575 case START_STOP_UNIT: 576 case SYNCHRONIZE_CACHE: 577 ccb->ccb_h.status = CAM_REQ_CMP; 578 break; 579 580 case INQUIRY: 581 { 582 PINQUIRYDATA inquiryData; 583 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len); 584 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr; 585 586 inquiryData->AdditionalLength = 31; 587 inquiryData->CommandQueue = 1; 588 memcpy(&inquiryData->VendorId, "HPT ", 8); 589 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16); 590 591 if (vd->target_id / 10) { 592 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0'; 593 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0'; 594 } 595 else 596 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0'; 597 598 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4); 599 600 ccb->ccb_h.status = CAM_REQ_CMP; 601 } 602 break; 603 604 case READ_CAPACITY: 605 { 606 HPT_U8 *rbuf = ccb->csio.data_ptr; 607 HPT_U32 cap; 608 609 if (vd->capacity>0xfffffffful) 610 cap = 0xfffffffful; 611 else 612 cap = vd->capacity - 1; 613 614 rbuf[0] = (HPT_U8)(cap>>24); 615 rbuf[1] = (HPT_U8)(cap>>16); 616 rbuf[2] = (HPT_U8)(cap>>8); 617 rbuf[3] = (HPT_U8)cap; 618 rbuf[4] = 0; 619 rbuf[5] = 0; 620 rbuf[6] = 2; 621 rbuf[7] = 0; 622 623 ccb->ccb_h.status = CAM_REQ_CMP; 624 break; 625 } 626 627 case SERVICE_ACTION_IN: 628 { 629 HPT_U8 *rbuf = ccb->csio.data_ptr; 630 HPT_U64 cap = vd->capacity - 1; 631 632 rbuf[0] = (HPT_U8)(cap>>56); 633 rbuf[1] = (HPT_U8)(cap>>48); 634 rbuf[2] = (HPT_U8)(cap>>40); 635 rbuf[3] = (HPT_U8)(cap>>32); 636 rbuf[4] = (HPT_U8)(cap>>24); 637 rbuf[5] = (HPT_U8)(cap>>16); 638 rbuf[6] = (HPT_U8)(cap>>8); 639 rbuf[7] = (HPT_U8)cap; 640 rbuf[8] = 0; 641 rbuf[9] = 0; 642 rbuf[10] = 2; 643 rbuf[11] = 0; 644 645 ccb->ccb_h.status = CAM_REQ_CMP; 646 break; 647 } 648 649 case READ_6: 650 case READ_10: 651 case READ_16: 652 case WRITE_6: 653 case WRITE_10: 654 case WRITE_16: 655 case 0x13: 656 case 0x2f: 657 case 0x8f: /* VERIFY_16 */ 658 { 659 int error; 660 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request); 661 if(!pCmd){ 662 KdPrint(("Failed to allocate command!")); 663 ccb->ccb_h.status = CAM_BUSY; 664 break; 665 } 666 667 switch (cdb[0]) { 668 case READ_6: 669 case WRITE_6: 670 case 0x13: 671 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3]; 672 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4]; 673 break; 674 case READ_16: 675 case WRITE_16: 676 case 0x8f: /* VERIFY_16 */ 677 { 678 HPT_U64 block = 679 ((HPT_U64)cdb[2]<<56) | 680 ((HPT_U64)cdb[3]<<48) | 681 ((HPT_U64)cdb[4]<<40) | 682 ((HPT_U64)cdb[5]<<32) | 683 ((HPT_U64)cdb[6]<<24) | 684 ((HPT_U64)cdb[7]<<16) | 685 ((HPT_U64)cdb[8]<<8) | 686 ((HPT_U64)cdb[9]); 687 pCmd->uCmd.Ide.Lba = block; 688 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 689 break; 690 } 691 692 default: 693 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 694 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 695 break; 696 } 697 698 switch (cdb[0]) { 699 case READ_6: 700 case READ_10: 701 case READ_16: 702 pCmd->flags.data_in = 1; 703 break; 704 case WRITE_6: 705 case WRITE_10: 706 case WRITE_16: 707 pCmd->flags.data_out = 1; 708 break; 709 } 710 pCmd->priv = ext = cmdext_get(vbus_ext); 711 HPT_ASSERT(ext); 712 ext->ccb = ccb; 713 pCmd->target = vd; 714 pCmd->done = os_cmddone; 715 pCmd->buildsgl = os_buildsgl; 716 pCmd->psg = ext->psg; 717 pCmd->flags.physical_sg = 1; 718 error = bus_dmamap_load_ccb(vbus_ext->io_dmat, 719 ext->dma_map, ccb, 720 hpt_io_dmamap_callback, pCmd, 721 BUS_DMA_WAITOK 722 ); 723 KdPrint(("bus_dmamap_load return %d", error)); 724 if (error && error!=EINPROGRESS) { 725 os_printk("bus_dmamap_load error %d", error); 726 cmdext_put(ext); 727 ldm_free_cmds(pCmd); 728 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 729 xpt_done(ccb); 730 } 731 return; 732 } 733 734 default: 735 ccb->ccb_h.status = CAM_REQ_INVALID; 736 break; 737 } 738 739 xpt_done(ccb); 740 return; 741 } 742 743 static void hpt_action(struct cam_sim *sim, union ccb *ccb) 744 { 745 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 746 747 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id)); 748 749 hpt_assert_vbus_locked(vbus_ext); 750 switch (ccb->ccb_h.func_code) { 751 752 case XPT_SCSI_IO: 753 hpt_scsi_io(vbus_ext, ccb); 754 return; 755 756 case XPT_RESET_BUS: 757 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 758 break; 759 760 case XPT_GET_TRAN_SETTINGS: 761 case XPT_SET_TRAN_SETTINGS: 762 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 763 break; 764 765 case XPT_CALC_GEOMETRY: 766 ccb->ccg.heads = 255; 767 ccb->ccg.secs_per_track = 63; 768 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track); 769 ccb->ccb_h.status = CAM_REQ_CMP; 770 break; 771 772 case XPT_PATH_INQ: 773 { 774 struct ccb_pathinq *cpi = &ccb->cpi; 775 776 cpi->version_num = 1; 777 cpi->hba_inquiry = PI_SDTR_ABLE; 778 cpi->target_sprt = 0; 779 cpi->hba_misc = PIM_NOBUSRESET; 780 cpi->hba_eng_cnt = 0; 781 cpi->max_target = osm_max_targets; 782 cpi->max_lun = 0; 783 cpi->unit_number = cam_sim_unit(sim); 784 cpi->bus_id = cam_sim_bus(sim); 785 cpi->initiator_id = osm_max_targets; 786 cpi->base_transfer_speed = 3300; 787 788 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 789 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 790 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 791 #if (__FreeBSD_version >= 800000) 792 cpi->transport = XPORT_SPI; 793 cpi->transport_version = 2; 794 cpi->protocol = PROTO_SCSI; 795 cpi->protocol_version = SCSI_REV_2; 796 #endif 797 cpi->ccb_h.status = CAM_REQ_CMP; 798 break; 799 } 800 801 default: 802 ccb->ccb_h.status = CAM_REQ_INVALID; 803 break; 804 } 805 806 xpt_done(ccb); 807 return; 808 } 809 810 static void hpt_pci_intr(void *arg) 811 { 812 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 813 hpt_lock_vbus(vbus_ext); 814 ldm_intr((PVBUS)vbus_ext->vbus); 815 hpt_unlock_vbus(vbus_ext); 816 } 817 818 static void hpt_poll(struct cam_sim *sim) 819 { 820 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 821 822 hpt_assert_vbus_locked(vbus_ext); 823 ldm_intr((PVBUS)vbus_ext->vbus); 824 } 825 826 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg) 827 { 828 KdPrint(("hpt_async")); 829 } 830 831 static int hpt_shutdown(device_t dev) 832 { 833 KdPrint(("hpt_shutdown(dev=%p)", dev)); 834 return 0; 835 } 836 837 static int hpt_detach(device_t dev) 838 { 839 /* we don't allow the driver to be unloaded. */ 840 return EBUSY; 841 } 842 843 static void hpt_ioctl_done(struct _IOCTL_ARG *arg) 844 { 845 arg->ioctl_cmnd = 0; 846 wakeup(arg); 847 } 848 849 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args) 850 { 851 ioctl_args->result = -1; 852 ioctl_args->done = hpt_ioctl_done; 853 ioctl_args->ioctl_cmnd = (void *)1; 854 855 hpt_lock_vbus(vbus_ext); 856 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args); 857 858 while (ioctl_args->ioctl_cmnd) { 859 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0) 860 break; 861 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 862 __hpt_do_tasks(vbus_ext); 863 } 864 865 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */ 866 867 hpt_unlock_vbus(vbus_ext); 868 } 869 870 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args) 871 { 872 PVBUS vbus; 873 PVBUS_EXT vbus_ext; 874 875 ldm_for_each_vbus(vbus, vbus_ext) { 876 __hpt_do_ioctl(vbus_ext, ioctl_args); 877 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS) 878 return; 879 } 880 } 881 882 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\ 883 IOCTL_ARG arg;\ 884 arg.dwIoControlCode = code;\ 885 arg.lpInBuffer = inbuf;\ 886 arg.lpOutBuffer = outbuf;\ 887 arg.nInBufferSize = insize;\ 888 arg.nOutBufferSize = outsize;\ 889 arg.lpBytesReturned = 0;\ 890 hpt_do_ioctl(&arg);\ 891 arg.result;\ 892 }) 893 894 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff)) 895 896 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount) 897 { 898 int i; 899 HPT_U32 count = nMaxCount-1; 900 901 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES, 902 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount)) 903 return -1; 904 905 nMaxCount = (int)pIds[0]; 906 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1]; 907 return nMaxCount; 908 } 909 910 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo) 911 { 912 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3, 913 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3)); 914 } 915 916 /* not belong to this file logically, but we want to use ioctl interface */ 917 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id) 918 { 919 LOGICAL_DEVICE_INFO_V3 devinfo; 920 int i, result; 921 DEVICEID param[2] = { id, 0 }; 922 923 if (hpt_get_device_info_v3(id, &devinfo)) 924 return -1; 925 926 if (devinfo.Type!=LDT_ARRAY) 927 return -1; 928 929 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING) 930 param[1] = AS_REBUILD_ABORT; 931 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING) 932 param[1] = AS_VERIFY_ABORT; 933 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING) 934 param[1] = AS_INITIALIZE_ABORT; 935 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING) 936 param[1] = AS_TRANSFORM_ABORT; 937 else 938 return -1; 939 940 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1])); 941 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE, 942 param, sizeof(param), 0, 0); 943 944 for (i=0; i<devinfo.u.array.nDisk; i++) 945 if (DEVICEID_VALID(devinfo.u.array.Members[i])) 946 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]); 947 948 return result; 949 } 950 951 static void hpt_stop_tasks(PVBUS_EXT vbus_ext) 952 { 953 DEVICEID ids[32]; 954 int i, count; 955 956 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0])); 957 958 for (i=0; i<count; i++) 959 __hpt_stop_tasks(vbus_ext, ids[i]); 960 } 961 962 static d_open_t hpt_open; 963 static d_close_t hpt_close; 964 static d_ioctl_t hpt_ioctl; 965 static int hpt_rescan_bus(void); 966 967 static struct cdevsw hpt_cdevsw = { 968 .d_open = hpt_open, 969 .d_close = hpt_close, 970 .d_ioctl = hpt_ioctl, 971 .d_name = driver_name, 972 #if __FreeBSD_version>=503000 973 .d_version = D_VERSION, 974 #endif 975 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034) 976 .d_flags = D_NEEDGIANT, 977 #endif 978 #if __FreeBSD_version<600034 979 #if __FreeBSD_version>501000 980 .d_maj = MAJOR_AUTO, 981 #else 982 .d_maj = HPT_DEV_MAJOR, 983 #endif 984 #endif 985 }; 986 987 static struct intr_config_hook hpt_ich; 988 989 /* 990 * hpt_final_init will be called after all hpt_attach. 991 */ 992 static void hpt_final_init(void *dummy) 993 { 994 int i,unit_number=0; 995 PVBUS_EXT vbus_ext; 996 PVBUS vbus; 997 PHBA hba; 998 999 /* Clear the config hook */ 1000 config_intrhook_disestablish(&hpt_ich); 1001 1002 /* allocate memory */ 1003 i = 0; 1004 ldm_for_each_vbus(vbus, vbus_ext) { 1005 if (hpt_alloc_mem(vbus_ext)) { 1006 os_printk("out of memory"); 1007 return; 1008 } 1009 i++; 1010 } 1011 1012 if (!i) { 1013 if (bootverbose) 1014 os_printk("no controller detected."); 1015 return; 1016 } 1017 1018 /* initializing hardware */ 1019 ldm_for_each_vbus(vbus, vbus_ext) { 1020 /* make timer available here */ 1021 #if (__FreeBSD_version >= 500000) 1022 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF); 1023 #endif 1024 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0); 1025 if (hpt_init_vbus(vbus_ext)) { 1026 os_printk("fail to initialize hardware"); 1027 break; /* FIXME */ 1028 } 1029 } 1030 1031 /* register CAM interface */ 1032 ldm_for_each_vbus(vbus, vbus_ext) { 1033 struct cam_devq *devq; 1034 struct ccb_setasync ccb; 1035 1036 if (bus_dma_tag_create(NULL,/* parent */ 1037 4, /* alignment */ 1038 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */ 1039 BUS_SPACE_MAXADDR, /* lowaddr */ 1040 BUS_SPACE_MAXADDR, /* highaddr */ 1041 NULL, NULL, /* filter, filterarg */ 1042 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */ 1043 os_max_sg_descriptors, /* nsegments */ 1044 0x10000, /* maxsegsize */ 1045 BUS_DMA_WAITOK, /* flags */ 1046 #if __FreeBSD_version>502000 1047 busdma_lock_mutex, /* lockfunc */ 1048 &vbus_ext->lock, /* lockfuncarg */ 1049 #endif 1050 &vbus_ext->io_dmat /* tag */)) 1051 { 1052 return ; 1053 } 1054 1055 for (i=0; i<os_max_queue_comm; i++) { 1056 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK); 1057 if (!ext) { 1058 os_printk("Can't alloc cmdext(%d)", i); 1059 return ; 1060 } 1061 ext->vbus_ext = vbus_ext; 1062 ext->next = vbus_ext->cmdext_list; 1063 vbus_ext->cmdext_list = ext; 1064 1065 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) { 1066 os_printk("Can't create dma map(%d)", i); 1067 return ; 1068 } 1069 callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0); 1070 } 1071 1072 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) { 1073 os_printk("cam_simq_alloc failed"); 1074 return ; 1075 } 1076 1077 #if __FreeBSD_version > 700025 1078 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1079 vbus_ext, unit_number, &vbus_ext->lock, os_max_queue_comm, /*tagged*/8, devq); 1080 #else 1081 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1082 vbus_ext, unit_number, os_max_queue_comm, /*tagged*/8, devq); 1083 #endif 1084 unit_number++; 1085 if (!vbus_ext->sim) { 1086 os_printk("cam_sim_alloc failed"); 1087 cam_simq_free(devq); 1088 return ; 1089 } 1090 1091 hpt_lock_vbus(vbus_ext); 1092 #if __FreeBSD_version > 700044 1093 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) { 1094 #else 1095 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) { 1096 #endif 1097 hpt_unlock_vbus(vbus_ext); 1098 os_printk("xpt_bus_register failed"); 1099 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE); 1100 vbus_ext->sim = NULL; 1101 return ; 1102 } 1103 1104 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL, 1105 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1106 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1107 { 1108 hpt_unlock_vbus(vbus_ext); 1109 os_printk("xpt_create_path failed"); 1110 xpt_bus_deregister(cam_sim_path(vbus_ext->sim)); 1111 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE); 1112 vbus_ext->sim = NULL; 1113 return ; 1114 } 1115 1116 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5); 1117 ccb.ccb_h.func_code = XPT_SASYNC_CB; 1118 ccb.event_enable = AC_LOST_DEVICE; 1119 ccb.callback = hpt_async; 1120 ccb.callback_arg = vbus_ext; 1121 xpt_action((union ccb *)&ccb); 1122 hpt_unlock_vbus(vbus_ext); 1123 1124 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1125 int rid = 0; 1126 if ((hba->irq_res = bus_alloc_resource(hba->pcidev, 1127 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1128 { 1129 os_printk("can't allocate interrupt"); 1130 return ; 1131 } 1132 1133 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE, 1134 #if __FreeBSD_version > 700025 1135 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1136 #else 1137 hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1138 #endif 1139 { 1140 os_printk("can't set up interrupt"); 1141 return ; 1142 } 1143 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 1144 1145 } 1146 1147 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, 1148 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT); 1149 if (!vbus_ext->shutdown_eh) 1150 os_printk("Shutdown event registration failed"); 1151 } 1152 1153 ldm_for_each_vbus(vbus, vbus_ext) { 1154 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext); 1155 if (vbus_ext->tasks) 1156 TASK_ENQUEUE(&vbus_ext->worker); 1157 } 1158 1159 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR, 1160 S_IRUSR | S_IWUSR, "%s", driver_name); 1161 } 1162 1163 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000) 1164 1165 typedef struct driverlink *driverlink_t; 1166 struct driverlink { 1167 kobj_class_t driver; 1168 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */ 1169 }; 1170 1171 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t; 1172 1173 struct devclass { 1174 TAILQ_ENTRY(devclass) link; 1175 devclass_t parent; /* parent in devclass hierarchy */ 1176 driver_list_t drivers; /* bus devclasses store drivers for bus */ 1177 char *name; 1178 device_t *devices; /* array of devices indexed by unit */ 1179 int maxunit; /* size of devices array */ 1180 }; 1181 1182 static void override_kernel_driver(void) 1183 { 1184 driverlink_t dl, dlfirst; 1185 driver_t *tmpdriver; 1186 devclass_t dc = devclass_find("pci"); 1187 1188 if (dc){ 1189 dlfirst = TAILQ_FIRST(&dc->drivers); 1190 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) { 1191 if(strcmp(dl->driver->name, driver_name) == 0) { 1192 tmpdriver=dl->driver; 1193 dl->driver=dlfirst->driver; 1194 dlfirst->driver=tmpdriver; 1195 break; 1196 } 1197 } 1198 } 1199 } 1200 1201 #else 1202 #define override_kernel_driver() 1203 #endif 1204 1205 static void hpt_init(void *dummy) 1206 { 1207 if (bootverbose) 1208 os_printk("%s %s", driver_name_long, driver_ver); 1209 1210 override_kernel_driver(); 1211 init_config(); 1212 1213 hpt_ich.ich_func = hpt_final_init; 1214 hpt_ich.ich_arg = NULL; 1215 if (config_intrhook_establish(&hpt_ich) != 0) { 1216 printf("%s: cannot establish configuration hook\n", 1217 driver_name_long); 1218 } 1219 1220 } 1221 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL); 1222 1223 /* 1224 * CAM driver interface 1225 */ 1226 static device_method_t driver_methods[] = { 1227 /* Device interface */ 1228 DEVMETHOD(device_probe, hpt_probe), 1229 DEVMETHOD(device_attach, hpt_attach), 1230 DEVMETHOD(device_detach, hpt_detach), 1231 DEVMETHOD(device_shutdown, hpt_shutdown), 1232 { 0, 0 } 1233 }; 1234 1235 static driver_t hpt_pci_driver = { 1236 driver_name, 1237 driver_methods, 1238 sizeof(HBA) 1239 }; 1240 1241 static devclass_t hpt_devclass; 1242 1243 #ifndef TARGETNAME 1244 #error "no TARGETNAME found" 1245 #endif 1246 1247 /* use this to make TARGETNAME be expanded */ 1248 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6) 1249 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2) 1250 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5) 1251 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0); 1252 __MODULE_VERSION(TARGETNAME, 1); 1253 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1); 1254 1255 #if __FreeBSD_version>503000 1256 typedef struct cdev * ioctl_dev_t; 1257 #else 1258 typedef dev_t ioctl_dev_t; 1259 #endif 1260 1261 #if __FreeBSD_version >= 500000 1262 typedef struct thread * ioctl_thread_t; 1263 #else 1264 typedef struct proc * ioctl_thread_t; 1265 #endif 1266 1267 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td) 1268 { 1269 return 0; 1270 } 1271 1272 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td) 1273 { 1274 return 0; 1275 } 1276 1277 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td) 1278 { 1279 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data; 1280 IOCTL_ARG ioctl_args; 1281 HPT_U32 bytesReturned; 1282 1283 switch (cmd){ 1284 case HPT_DO_IOCONTROL: 1285 { 1286 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) { 1287 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n", 1288 piop->dwIoControlCode, 1289 piop->lpInBuffer, 1290 piop->nInBufferSize, 1291 piop->lpOutBuffer, 1292 piop->nOutBufferSize)); 1293 1294 memset(&ioctl_args, 0, sizeof(ioctl_args)); 1295 1296 ioctl_args.dwIoControlCode = piop->dwIoControlCode; 1297 ioctl_args.nInBufferSize = piop->nInBufferSize; 1298 ioctl_args.nOutBufferSize = piop->nOutBufferSize; 1299 ioctl_args.lpBytesReturned = &bytesReturned; 1300 1301 if (ioctl_args.nInBufferSize) { 1302 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK); 1303 if (!ioctl_args.lpInBuffer) 1304 goto invalid; 1305 if (copyin((void*)piop->lpInBuffer, 1306 ioctl_args.lpInBuffer, piop->nInBufferSize)) 1307 goto invalid; 1308 } 1309 1310 if (ioctl_args.nOutBufferSize) { 1311 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK); 1312 if (!ioctl_args.lpOutBuffer) 1313 goto invalid; 1314 } 1315 1316 hpt_do_ioctl(&ioctl_args); 1317 1318 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) { 1319 if (piop->nOutBufferSize) { 1320 if (copyout(ioctl_args.lpOutBuffer, 1321 (void*)piop->lpOutBuffer, piop->nOutBufferSize)) 1322 goto invalid; 1323 } 1324 if (piop->lpBytesReturned) { 1325 if (copyout(&bytesReturned, 1326 (void*)piop->lpBytesReturned, sizeof(HPT_U32))) 1327 goto invalid; 1328 } 1329 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1330 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1331 return 0; 1332 } 1333 invalid: 1334 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1335 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1336 return EFAULT; 1337 } 1338 return EFAULT; 1339 } 1340 1341 case HPT_SCAN_BUS: 1342 { 1343 return hpt_rescan_bus(); 1344 } 1345 default: 1346 KdPrint(("invalid command!")); 1347 return EFAULT; 1348 } 1349 1350 } 1351 1352 static int hpt_rescan_bus(void) 1353 { 1354 union ccb *ccb; 1355 PVBUS vbus; 1356 PVBUS_EXT vbus_ext; 1357 1358 ldm_for_each_vbus(vbus, vbus_ext) { 1359 if ((ccb = xpt_alloc_ccb()) == NULL) 1360 { 1361 return(ENOMEM); 1362 } 1363 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim), 1364 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1365 { 1366 xpt_free_ccb(ccb); 1367 return(EIO); 1368 } 1369 xpt_rescan(ccb); 1370 } 1371 return(0); 1372 } 1373 1374