1/* 2 * Copyright (c) HighPoint Technologies, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: stable/11/sys/dev/hptrr/hptrr_osm_bsd.c 327588 2018-01-05 16:04:56Z emaste $"); 29 30#include <dev/hptrr/hptrr_config.h> 31/* $Id: osm_bsd.c,v 1.27 2007/11/22 07:35:49 gmm Exp $ 32 * 33 * HighPoint RAID Driver for FreeBSD 34 * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved. 35 */ 36#include <dev/hptrr/os_bsd.h> 37#include <dev/hptrr/hptintf.h> 38 39static int attach_generic = 0; 40TUNABLE_INT("hw.hptrr.attach_generic", &attach_generic); 41 42static HIM *hpt_match(device_t dev) 43{ 44 PCI_ID pci_id; 45 int i; 46 HIM *him; 47 48 /* Some of supported chips are used not only by HPT. */ 49 if (pci_get_vendor(dev) != 0x1103 && !attach_generic) 50 return (NULL); 51 for (him = him_list; him; him = him->next) { 52 for (i=0; him->get_supported_device_id(i, &pci_id); i++) { 53 if ((pci_get_vendor(dev) == pci_id.vid) && 54 (pci_get_device(dev) == pci_id.did)){ 55 return (him); 56 } 57 } 58 } 59 return (NULL); 60} 61 62static int hpt_probe(device_t dev) 63{ 64 HIM *him; 65 66 him = hpt_match(dev); 67 if (him != NULL) { 68 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d", 69 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev) 70 )); 71 device_set_desc(dev, him->name); 72 return (BUS_PROBE_DEFAULT); 73 } 74 75 return (ENXIO); 76} 77 78static int hpt_attach(device_t dev) 79{ 80 PHBA hba = (PHBA)device_get_softc(dev); 81 HIM *him; 82 PCI_ID pci_id; 83 HPT_UINT size; 84 PVBUS vbus; 85 PVBUS_EXT vbus_ext; 86 87 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev))); 88 89 him = hpt_match(dev); 90 hba->ext_type = EXT_TYPE_HBA; 91 hba->ldm_adapter.him = him; 92 93 pci_enable_busmaster(dev); 94 95 pci_id.vid = pci_get_vendor(dev); 96 pci_id.did = pci_get_device(dev); 97 pci_id.rev = pci_get_revid(dev); 98 99 size = him->get_adapter_size(&pci_id); 100 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK); 101 102 hba->pcidev = dev; 103 hba->pciaddr.tree = 0; 104 hba->pciaddr.bus = pci_get_bus(dev); 105 hba->pciaddr.device = pci_get_slot(dev); 106 hba->pciaddr.function = pci_get_function(dev); 107 108 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) { 109 free(hba->ldm_adapter.him_handle, M_DEVBUF); 110 return ENXIO; 111 } 112 113 os_printk("adapter at PCI %d:%d:%d, IRQ %d", 114 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev)); 115 116 if (!ldm_register_adapter(&hba->ldm_adapter)) { 117 size = ldm_get_vbus_size(); 118 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK | 119 M_ZERO); 120 vbus_ext->ext_type = EXT_TYPE_VBUS; 121 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext); 122 ldm_register_adapter(&hba->ldm_adapter); 123 } 124 125 ldm_for_each_vbus(vbus, vbus_ext) { 126 if (hba->ldm_adapter.vbus==vbus) { 127 hba->vbus_ext = vbus_ext; 128 hba->next = vbus_ext->hba_list; 129 vbus_ext->hba_list = hba; 130 break; 131 } 132 } 133 return 0; 134} 135 136/* 137 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory, 138 * but there are some problems currently (alignment, etc). 139 */ 140static __inline void *__get_free_pages(int order) 141{ 142 /* don't use low memory - other devices may get starved */ 143 return contigmalloc(PAGE_SIZE<<order, 144 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0); 145} 146 147static __inline void free_pages(void *p, int order) 148{ 149 contigfree(p, PAGE_SIZE<<order, M_DEVBUF); 150} 151 152static int hpt_alloc_mem(PVBUS_EXT vbus_ext) 153{ 154 PHBA hba; 155 struct freelist *f; 156 HPT_UINT i; 157 void **p; 158 159 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 160 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle); 161 162 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0); 163 164 for (f=vbus_ext->freelist_head; f; f=f->next) { 165 KdPrint(("%s: %d*%d=%d bytes", 166 f->tag, f->count, f->size, f->count*f->size)); 167 for (i=0; i<f->count; i++) { 168 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK); 169 if (!p) return (ENXIO); 170 *p = f->head; 171 f->head = p; 172 } 173 } 174 175 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 176 int order, size, j; 177 178 HPT_ASSERT((f->size & (f->alignment-1))==0); 179 180 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) 181 ; 182 183 KdPrint(("%s: %d*%d=%d bytes, order %d", 184 f->tag, f->count, f->size, f->count*f->size, order)); 185 HPT_ASSERT(f->alignment<=PAGE_SIZE); 186 187 for (i=0; i<f->count;) { 188 p = (void **)__get_free_pages(order); 189 if (!p) return -1; 190 for (j = size/f->size; j && i<f->count; i++,j--) { 191 *p = f->head; 192 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p); 193 f->head = p; 194 p = (void **)((unsigned long)p + f->size); 195 } 196 } 197 } 198 199 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE); 200 201 for (i=0; i<os_max_cache_pages; i++) { 202 p = (void **)__get_free_pages(0); 203 if (!p) return -1; 204 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0); 205 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p)); 206 } 207 208 return 0; 209} 210 211static void hpt_free_mem(PVBUS_EXT vbus_ext) 212{ 213 struct freelist *f; 214 void *p; 215 int i; 216 BUS_ADDRESS bus; 217 218 for (f=vbus_ext->freelist_head; f; f=f->next) { 219#if DBG 220 if (f->count!=f->reserved_count) { 221 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 222 } 223#endif 224 while ((p=freelist_get(f))) 225 free(p, M_DEVBUF); 226 } 227 228 for (i=0; i<os_max_cache_pages; i++) { 229 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus); 230 HPT_ASSERT(p); 231 free_pages(p, 0); 232 } 233 234 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 235 int order, size; 236#if DBG 237 if (f->count!=f->reserved_count) { 238 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 239 } 240#endif 241 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 242 243 while ((p=freelist_get_dma(f, &bus))) { 244 if (order) 245 free_pages(p, order); 246 else { 247 /* can't free immediately since other blocks in this page may still be in the list */ 248 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0) 249 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus); 250 } 251 } 252 } 253 254 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus))) 255 free_pages(p, 0); 256} 257 258static int hpt_init_vbus(PVBUS_EXT vbus_ext) 259{ 260 PHBA hba; 261 262 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 263 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) { 264 KdPrint(("fail to initialize %p", hba)); 265 return -1; 266 } 267 268 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter); 269 return 0; 270} 271 272static void hpt_flush_done(PCOMMAND pCmd) 273{ 274 PVDEV vd = pCmd->target; 275 276 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) { 277 vd = vd->u.array.transform->target; 278 HPT_ASSERT(vd); 279 pCmd->target = vd; 280 pCmd->Result = RETURN_PENDING; 281 vdev_queue_cmd(pCmd); 282 return; 283 } 284 285 *(int *)pCmd->priv = 1; 286 wakeup(pCmd); 287} 288 289/* 290 * flush a vdev (without retry). 291 */ 292static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd) 293{ 294 PCOMMAND pCmd; 295 int result = 0, done; 296 HPT_UINT count; 297 298 KdPrint(("flusing dev %p", vd)); 299 300 hpt_assert_vbus_locked(vbus_ext); 301 302 if (mIsArray(vd->type) && vd->u.array.transform) 303 count = max(vd->u.array.transform->source->cmds_per_request, 304 vd->u.array.transform->target->cmds_per_request); 305 else 306 count = vd->cmds_per_request; 307 308 pCmd = ldm_alloc_cmds(vd->vbus, count); 309 310 if (!pCmd) { 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 return result; 337} 338 339static void hpt_stop_tasks(PVBUS_EXT vbus_ext); 340static 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 hpt_lock_vbus(vbus_ext); 351 vbus_ext->worker.ta_context = 0; 352 353 /* flush devices */ 354 for (i=0; i<osm_max_targets; i++) { 355 PVDEV vd = ldm_find_target(vbus, i); 356 if (vd) { 357 /* retry once */ 358 if (hpt_flush_vdev(vbus_ext, vd)) 359 hpt_flush_vdev(vbus_ext, vd); 360 } 361 } 362 363 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 callout_drain(&vbus_ext->timer); 379 mtx_destroy(&vbus_ext->lock); 380 free(vbus_ext, M_DEVBUF); 381 KdPrint(("hpt_shutdown_vbus done")); 382} 383 384static 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 399static 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 408static void hpt_action(struct cam_sim *sim, union ccb *ccb); 409static void hpt_poll(struct cam_sim *sim); 410static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 411static void hpt_pci_intr(void *arg); 412 413static __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 421static __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 427static 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 437static 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 484static 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 501static 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 536static 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 { 658 int error; 659 660 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 { 677 HPT_U64 block = 678 ((HPT_U64)cdb[2]<<56) | 679 ((HPT_U64)cdb[3]<<48) | 680 ((HPT_U64)cdb[4]<<40) | 681 ((HPT_U64)cdb[5]<<32) | 682 ((HPT_U64)cdb[6]<<24) | 683 ((HPT_U64)cdb[7]<<16) | 684 ((HPT_U64)cdb[8]<<8) | 685 ((HPT_U64)cdb[9]); 686 pCmd->uCmd.Ide.Lba = block; 687 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 688 break; 689 } 690 691 default: 692 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 693 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 694 break; 695 } 696 697 switch (cdb[0]) { 698 case READ_6: 699 case READ_10: 700 case READ_16: 701 pCmd->flags.data_in = 1; 702 break; 703 case WRITE_6: 704 case WRITE_10: 705 case WRITE_16: 706 pCmd->flags.data_out = 1; 707 break; 708 } 709 pCmd->priv = ext = cmdext_get(vbus_ext); 710 HPT_ASSERT(ext); 711 ext->ccb = ccb; 712 pCmd->target = vd; 713 pCmd->done = os_cmddone; 714 pCmd->buildsgl = os_buildsgl; 715 pCmd->psg = ext->psg; 716 pCmd->flags.physical_sg = 1; 717 error = bus_dmamap_load_ccb(vbus_ext->io_dmat, 718 ext->dma_map, 719 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 743static 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 cam_calc_geometry(&ccb->ccg, 1); 767 break; 768 769 case XPT_PATH_INQ: 770 { 771 struct ccb_pathinq *cpi = &ccb->cpi; 772 773 cpi->version_num = 1; 774 cpi->hba_inquiry = PI_SDTR_ABLE; 775 cpi->target_sprt = 0; 776 cpi->hba_misc = PIM_NOBUSRESET; 777 cpi->hba_eng_cnt = 0; 778 cpi->max_target = osm_max_targets; 779 cpi->max_lun = 0; 780 cpi->unit_number = cam_sim_unit(sim); 781 cpi->bus_id = cam_sim_bus(sim); 782 cpi->initiator_id = osm_max_targets; 783 cpi->base_transfer_speed = 3300; 784 785 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 786 strlcpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 787 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 788 cpi->transport = XPORT_SPI; 789 cpi->transport_version = 2; 790 cpi->protocol = PROTO_SCSI; 791 cpi->protocol_version = SCSI_REV_2; 792 cpi->ccb_h.status = CAM_REQ_CMP; 793 break; 794 } 795 796 default: 797 ccb->ccb_h.status = CAM_REQ_INVALID; 798 break; 799 } 800 801 xpt_done(ccb); 802 return; 803} 804 805static void hpt_pci_intr(void *arg) 806{ 807 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 808 hpt_lock_vbus(vbus_ext); 809 ldm_intr((PVBUS)vbus_ext->vbus); 810 hpt_unlock_vbus(vbus_ext); 811} 812 813static void hpt_poll(struct cam_sim *sim) 814{ 815 PVBUS_EXT vbus_ext = cam_sim_softc(sim); 816 hpt_assert_vbus_locked(vbus_ext); 817 ldm_intr((PVBUS)vbus_ext->vbus); 818} 819 820static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg) 821{ 822 KdPrint(("hpt_async")); 823} 824 825static int hpt_shutdown(device_t dev) 826{ 827 KdPrint(("hpt_shutdown(dev=%p)", dev)); 828 return 0; 829} 830 831static int hpt_detach(device_t dev) 832{ 833 /* we don't allow the driver to be unloaded. */ 834 return EBUSY; 835} 836 837static void hpt_ioctl_done(struct _IOCTL_ARG *arg) 838{ 839 arg->ioctl_cmnd = 0; 840 wakeup(arg); 841} 842 843static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args) 844{ 845 ioctl_args->result = -1; 846 ioctl_args->done = hpt_ioctl_done; 847 ioctl_args->ioctl_cmnd = (void *)1; 848 849 hpt_lock_vbus(vbus_ext); 850 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args); 851 852 while (ioctl_args->ioctl_cmnd) { 853 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0) 854 break; 855 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 856 __hpt_do_tasks(vbus_ext); 857 } 858 859 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */ 860 861 hpt_unlock_vbus(vbus_ext); 862} 863 864static void hpt_do_ioctl(IOCTL_ARG *ioctl_args) 865{ 866 PVBUS vbus; 867 PVBUS_EXT vbus_ext; 868 869 ldm_for_each_vbus(vbus, vbus_ext) { 870 __hpt_do_ioctl(vbus_ext, ioctl_args); 871 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS) 872 return; 873 } 874} 875 876#define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\ 877 IOCTL_ARG arg;\ 878 arg.dwIoControlCode = code;\ 879 arg.lpInBuffer = inbuf;\ 880 arg.lpOutBuffer = outbuf;\ 881 arg.nInBufferSize = insize;\ 882 arg.nOutBufferSize = outsize;\ 883 arg.lpBytesReturned = 0;\ 884 hpt_do_ioctl(&arg);\ 885 arg.result;\ 886}) 887 888#define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff)) 889 890static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount) 891{ 892 int i; 893 HPT_U32 count = nMaxCount-1; 894 895 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES, 896 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount)) 897 return -1; 898 899 nMaxCount = (int)pIds[0]; 900 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1]; 901 return nMaxCount; 902} 903 904static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo) 905{ 906 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3, 907 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3)); 908} 909 910/* not belong to this file logically, but we want to use ioctl interface */ 911static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id) 912{ 913 LOGICAL_DEVICE_INFO_V3 devinfo; 914 int i, result; 915 DEVICEID param[2] = { id, 0 }; 916 917 if (hpt_get_device_info_v3(id, &devinfo)) 918 return -1; 919 920 if (devinfo.Type!=LDT_ARRAY) 921 return -1; 922 923 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING) 924 param[1] = AS_REBUILD_ABORT; 925 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING) 926 param[1] = AS_VERIFY_ABORT; 927 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING) 928 param[1] = AS_INITIALIZE_ABORT; 929 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING) 930 param[1] = AS_TRANSFORM_ABORT; 931 else 932 return -1; 933 934 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1])); 935 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE, 936 param, sizeof(param), 0, 0); 937 938 for (i=0; i<devinfo.u.array.nDisk; i++) 939 if (DEVICEID_VALID(devinfo.u.array.Members[i])) 940 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]); 941 942 return result; 943} 944 945static void hpt_stop_tasks(PVBUS_EXT vbus_ext) 946{ 947 DEVICEID ids[32]; 948 int i, count; 949 950 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0])); 951 952 for (i=0; i<count; i++) 953 __hpt_stop_tasks(vbus_ext, ids[i]); 954} 955 956static d_open_t hpt_open; 957static d_close_t hpt_close; 958static d_ioctl_t hpt_ioctl; 959static int hpt_rescan_bus(void); 960 961static struct cdevsw hpt_cdevsw = { 962 .d_open = hpt_open, 963 .d_close = hpt_close, 964 .d_ioctl = hpt_ioctl, 965 .d_name = driver_name, 966 .d_version = D_VERSION, 967}; 968 969static struct intr_config_hook hpt_ich; 970 971/* 972 * hpt_final_init will be called after all hpt_attach. 973 */ 974static void hpt_final_init(void *dummy) 975{ 976 int i; 977 PVBUS_EXT vbus_ext; 978 PVBUS vbus; 979 PHBA hba; 980 981 /* Clear the config hook */ 982 config_intrhook_disestablish(&hpt_ich); 983 984 /* allocate memory */ 985 i = 0; 986 ldm_for_each_vbus(vbus, vbus_ext) { 987 if (hpt_alloc_mem(vbus_ext)) { 988 os_printk("out of memory"); 989 return; 990 } 991 i++; 992 } 993 994 if (!i) { 995 if (bootverbose) 996 os_printk("no controller detected."); 997 return; 998 } 999 1000 /* initializing hardware */ 1001 ldm_for_each_vbus(vbus, vbus_ext) { 1002 /* make timer available here */ 1003 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF); 1004 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0); 1005 if (hpt_init_vbus(vbus_ext)) { 1006 os_printk("fail to initialize hardware"); 1007 break; /* FIXME */ 1008 } 1009 } 1010 1011 /* register CAM interface */ 1012 ldm_for_each_vbus(vbus, vbus_ext) { 1013 struct cam_devq *devq; 1014 struct ccb_setasync ccb; 1015 1016 if (bus_dma_tag_create(NULL,/* parent */ 1017 4, /* alignment */ 1018 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */ 1019 BUS_SPACE_MAXADDR, /* lowaddr */ 1020 BUS_SPACE_MAXADDR, /* highaddr */ 1021 NULL, NULL, /* filter, filterarg */ 1022 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */ 1023 os_max_sg_descriptors, /* nsegments */ 1024 0x10000, /* maxsegsize */ 1025 BUS_DMA_WAITOK, /* flags */ 1026 busdma_lock_mutex, /* lockfunc */ 1027 &vbus_ext->lock, /* lockfuncarg */ 1028 &vbus_ext->io_dmat /* tag */)) 1029 { 1030 return ; 1031 } 1032 1033 for (i=0; i<os_max_queue_comm; i++) { 1034 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK); 1035 if (!ext) { 1036 os_printk("Can't alloc cmdext(%d)", i); 1037 return ; 1038 } 1039 ext->vbus_ext = vbus_ext; 1040 ext->next = vbus_ext->cmdext_list; 1041 vbus_ext->cmdext_list = ext; 1042 1043 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) { 1044 os_printk("Can't create dma map(%d)", i); 1045 return ; 1046 } 1047 callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0); 1048 } 1049 1050 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) { 1051 os_printk("cam_simq_alloc failed"); 1052 return ; 1053 } 1054 1055 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1056 vbus_ext, 0, &vbus_ext->lock, os_max_queue_comm, 1057 /*tagged*/8, devq); 1058 1059 if (!vbus_ext->sim) { 1060 os_printk("cam_sim_alloc failed"); 1061 cam_simq_free(devq); 1062 return ; 1063 } 1064 1065 hpt_lock_vbus(vbus_ext); 1066 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) { 1067 os_printk("xpt_bus_register failed"); 1068 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE); 1069 hpt_unlock_vbus(vbus_ext); 1070 vbus_ext->sim = NULL; 1071 return ; 1072 } 1073 1074 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL, 1075 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1076 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1077 { 1078 os_printk("xpt_create_path failed"); 1079 xpt_bus_deregister(cam_sim_path(vbus_ext->sim)); 1080 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE); 1081 hpt_unlock_vbus(vbus_ext); 1082 vbus_ext->sim = NULL; 1083 return ; 1084 } 1085 hpt_unlock_vbus(vbus_ext); 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 1094 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1095 int rid = 0; 1096 if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev, 1097 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1098 { 1099 os_printk("can't allocate interrupt"); 1100 return ; 1101 } 1102 1103 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE, 1104 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1105 { 1106 os_printk("can't set up interrupt"); 1107 return ; 1108 } 1109 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 1110 } 1111 1112 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, 1113 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT); 1114 if (!vbus_ext->shutdown_eh) 1115 os_printk("Shutdown event registration failed"); 1116 } 1117 1118 ldm_for_each_vbus(vbus, vbus_ext) { 1119 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext); 1120 if (vbus_ext->tasks) 1121 TASK_ENQUEUE(&vbus_ext->worker); 1122 } 1123 1124 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR, 1125 S_IRUSR | S_IWUSR, "%s", driver_name); 1126} 1127 1128#if defined(KLD_MODULE) 1129 1130typedef struct driverlink *driverlink_t; 1131struct driverlink { 1132 kobj_class_t driver; 1133 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */ 1134}; 1135 1136typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t; 1137 1138struct devclass { 1139 TAILQ_ENTRY(devclass) link; 1140 devclass_t parent; /* parent in devclass hierarchy */ 1141 driver_list_t drivers; /* bus devclasses store drivers for bus */ 1142 char *name; 1143 device_t *devices; /* array of devices indexed by unit */ 1144 int maxunit; /* size of devices array */ 1145}; 1146 1147static void override_kernel_driver(void) 1148{ 1149 driverlink_t dl, dlfirst; 1150 driver_t *tmpdriver; 1151 devclass_t dc = devclass_find("pci"); 1152 1153 if (dc){ 1154 dlfirst = TAILQ_FIRST(&dc->drivers); 1155 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) { 1156 if(strcmp(dl->driver->name, driver_name) == 0) { 1157 tmpdriver=dl->driver; 1158 dl->driver=dlfirst->driver; 1159 dlfirst->driver=tmpdriver; 1160 break; 1161 } 1162 } 1163 } 1164} 1165 1166#else 1167#define override_kernel_driver() 1168#endif 1169 1170static void hpt_init(void *dummy) 1171{ 1172 if (bootverbose) 1173 os_printk("%s %s", driver_name_long, driver_ver); 1174 1175 override_kernel_driver(); 1176 init_config(); 1177 1178 hpt_ich.ich_func = hpt_final_init; 1179 hpt_ich.ich_arg = NULL; 1180 if (config_intrhook_establish(&hpt_ich) != 0) { 1181 printf("%s: cannot establish configuration hook\n", 1182 driver_name_long); 1183 } 1184 1185} 1186SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL); 1187 1188/* 1189 * CAM driver interface 1190 */ 1191static device_method_t driver_methods[] = { 1192 /* Device interface */ 1193 DEVMETHOD(device_probe, hpt_probe), 1194 DEVMETHOD(device_attach, hpt_attach), 1195 DEVMETHOD(device_detach, hpt_detach), 1196 DEVMETHOD(device_shutdown, hpt_shutdown), 1197 DEVMETHOD_END 1198}; 1199 1200static driver_t hpt_pci_driver = { 1201 driver_name, 1202 driver_methods, 1203 sizeof(HBA) 1204}; 1205 1206static devclass_t hpt_devclass; 1207 1208#ifndef TARGETNAME 1209#error "no TARGETNAME found" 1210#endif 1211 1212/* use this to make TARGETNAME be expanded */ 1213#define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6) 1214#define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2) 1215#define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5) 1216__DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0); 1217__MODULE_VERSION(TARGETNAME, 1); 1218__MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1); 1219 1220static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td) 1221{ 1222 return 0; 1223} 1224 1225static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td) 1226{ 1227 return 0; 1228} 1229 1230static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td) 1231{ 1232 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data; 1233 IOCTL_ARG ioctl_args; 1234 HPT_U32 bytesReturned = 0; 1235 1236 switch (cmd){ 1237 case HPT_DO_IOCONTROL: 1238 { 1239 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) { 1240 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n", 1241 piop->dwIoControlCode, 1242 piop->lpInBuffer, 1243 piop->nInBufferSize, 1244 piop->lpOutBuffer, 1245 piop->nOutBufferSize)); 1246 1247 memset(&ioctl_args, 0, sizeof(ioctl_args)); 1248 1249 ioctl_args.dwIoControlCode = piop->dwIoControlCode; 1250 ioctl_args.nInBufferSize = piop->nInBufferSize; 1251 ioctl_args.nOutBufferSize = piop->nOutBufferSize; 1252 ioctl_args.lpBytesReturned = &bytesReturned; 1253 1254 if (ioctl_args.nInBufferSize) { 1255 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK); 1256 if (!ioctl_args.lpInBuffer) 1257 goto invalid; 1258 if (copyin((void*)piop->lpInBuffer, 1259 ioctl_args.lpInBuffer, piop->nInBufferSize)) 1260 goto invalid; 1261 } 1262 1263 if (ioctl_args.nOutBufferSize) { 1264 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK | M_ZERO); 1265 if (!ioctl_args.lpOutBuffer) 1266 goto invalid; 1267 } 1268 1269 hpt_do_ioctl(&ioctl_args); 1270 1271 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) { 1272 if (piop->nOutBufferSize) { 1273 if (copyout(ioctl_args.lpOutBuffer, 1274 (void*)piop->lpOutBuffer, piop->nOutBufferSize)) 1275 goto invalid; 1276 } 1277 if (piop->lpBytesReturned) { 1278 if (copyout(&bytesReturned, 1279 (void*)piop->lpBytesReturned, sizeof(HPT_U32))) 1280 goto invalid; 1281 } 1282 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1283 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1284 return 0; 1285 } 1286invalid: 1287 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1288 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1289 return EFAULT; 1290 } 1291 return EFAULT; 1292 } 1293 1294 case HPT_SCAN_BUS: 1295 { 1296 return hpt_rescan_bus(); 1297 } 1298 default: 1299 KdPrint(("invalid command!")); 1300 return EFAULT; 1301 } 1302 1303} 1304 1305static int hpt_rescan_bus(void) 1306{ 1307 union ccb *ccb; 1308 PVBUS vbus; 1309 PVBUS_EXT vbus_ext; 1310 1311 ldm_for_each_vbus(vbus, vbus_ext) { 1312 if ((ccb = xpt_alloc_ccb()) == NULL) 1313 return(ENOMEM); 1314 if (xpt_create_path(&ccb->ccb_h.path, NULL, 1315 cam_sim_path(vbus_ext->sim), 1316 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1317 xpt_free_ccb(ccb); 1318 return(EIO); 1319 } 1320 xpt_rescan(ccb); 1321 } 1322 1323 return(0); 1324} 1325