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sys/dev/hptrr/hptrr_osm_bsd.c
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) HighPoint Technologies, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <dev/hptrr/hptrr_config.h> 33 /* $Id: osm_bsd.c,v 1.27 2007/11/22 07:35:49 gmm Exp $ 34 * 35 * HighPoint RAID Driver for FreeBSD 36 * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved. 37 */ 38 #include <dev/hptrr/os_bsd.h> 39 #include <dev/hptrr/hptintf.h> 40 41 static int attach_generic = 0; 42 TUNABLE_INT("hw.hptrr.attach_generic", &attach_generic); 43 44 static HIM *hpt_match(device_t dev) 45 { 46 PCI_ID pci_id; 47 int i; 48 HIM *him; 49 50 /* Some of supported chips are used not only by HPT. */ 51 if (pci_get_vendor(dev) != 0x1103 && !attach_generic) 52 return (NULL); 53 for (him = him_list; him; him = him->next) { 54 for (i=0; him->get_supported_device_id(i, &pci_id); i++) { 55 if ((pci_get_vendor(dev) == pci_id.vid) && 56 (pci_get_device(dev) == pci_id.did)){ 57 return (him); 58 } 59 } 60 } 61 return (NULL); 62 } 63 64 static int hpt_probe(device_t dev) 65 { 66 HIM *him; 67 68 him = hpt_match(dev); 69 if (him != NULL) { 70 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d", 71 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev) 72 )); 73 device_set_desc(dev, him->name); 74 return (BUS_PROBE_DEFAULT); 75 } 76 77 return (ENXIO); 78 } 79 80 static int hpt_attach(device_t dev) 81 { 82 PHBA hba = (PHBA)device_get_softc(dev); 83 HIM *him; 84 PCI_ID pci_id; 85 HPT_UINT size; 86 PVBUS vbus; 87 PVBUS_EXT vbus_ext; 88 89 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev))); 90 91 him = hpt_match(dev); 92 hba->ext_type = EXT_TYPE_HBA; 93 hba->ldm_adapter.him = him; 94 95 pci_enable_busmaster(dev); 96 97 pci_id.vid = pci_get_vendor(dev); 98 pci_id.did = pci_get_device(dev); 99 pci_id.rev = pci_get_revid(dev); 100 101 size = him->get_adapter_size(&pci_id); 102 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK); 103 104 hba->pcidev = dev; 105 hba->pciaddr.tree = 0; 106 hba->pciaddr.bus = pci_get_bus(dev); 107 hba->pciaddr.device = pci_get_slot(dev); 108 hba->pciaddr.function = pci_get_function(dev); 109 110 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) { 111 free(hba->ldm_adapter.him_handle, M_DEVBUF); 112 return ENXIO; 113 } 114 115 os_printk("adapter at PCI %d:%d:%d, IRQ %d", 116 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev)); 117 118 if (!ldm_register_adapter(&hba->ldm_adapter)) { 119 size = ldm_get_vbus_size(); 120 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK | 121 M_ZERO); 122 vbus_ext->ext_type = EXT_TYPE_VBUS; 123 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext); 124 ldm_register_adapter(&hba->ldm_adapter); 125 } 126 127 ldm_for_each_vbus(vbus, vbus_ext) { 128 if (hba->ldm_adapter.vbus==vbus) { 129 hba->vbus_ext = vbus_ext; 130 hba->next = vbus_ext->hba_list; 131 vbus_ext->hba_list = hba; 132 break; 133 } 134 } 135 return 0; 136 } 137 138 /* 139 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory, 140 * but there are some problems currently (alignment, etc). 141 */ 142 static __inline void *__get_free_pages(int order) 143 { 144 /* don't use low memory - other devices may get starved */ 145 return contigmalloc(PAGE_SIZE<<order, 146 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0); 147 } 148 149 static __inline void free_pages(void *p, int order) 150 { 151 contigfree(p, PAGE_SIZE<<order, M_DEVBUF); 152 } 153 154 static int hpt_alloc_mem(PVBUS_EXT vbus_ext) 155 { 156 PHBA hba; 157 struct freelist *f; 158 HPT_UINT i; 159 void **p; 160 161 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 162 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle); 163 164 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0); 165 166 for (f=vbus_ext->freelist_head; f; f=f->next) { 167 KdPrint(("%s: %d*%d=%d bytes", 168 f->tag, f->count, f->size, f->count*f->size)); 169 for (i=0; i<f->count; i++) { 170 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK); 171 if (!p) return (ENXIO); 172 *p = f->head; 173 f->head = p; 174 } 175 } 176 177 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 178 int order, size, j; 179 180 HPT_ASSERT((f->size & (f->alignment-1))==0); 181 182 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) 183 ; 184 185 KdPrint(("%s: %d*%d=%d bytes, order %d", 186 f->tag, f->count, f->size, f->count*f->size, order)); 187 HPT_ASSERT(f->alignment<=PAGE_SIZE); 188 189 for (i=0; i<f->count;) { 190 p = (void **)__get_free_pages(order); 191 if (!p) return -1; 192 for (j = size/f->size; j && i<f->count; i++,j--) { 193 *p = f->head; 194 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p); 195 f->head = p; 196 p = (void **)((unsigned long)p + f->size); 197 } 198 } 199 } 200 201 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE); 202 203 for (i=0; i<os_max_cache_pages; i++) { 204 p = (void **)__get_free_pages(0); 205 if (!p) return -1; 206 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0); 207 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p)); 208 } 209 210 return 0; 211 } 212 213 static void hpt_free_mem(PVBUS_EXT vbus_ext) 214 { 215 struct freelist *f; 216 void *p; 217 int i; 218 BUS_ADDRESS bus; 219 220 for (f=vbus_ext->freelist_head; f; f=f->next) { 221 #if DBG 222 if (f->count!=f->reserved_count) { 223 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 224 } 225 #endif 226 while ((p=freelist_get(f))) 227 free(p, M_DEVBUF); 228 } 229 230 for (i=0; i<os_max_cache_pages; i++) { 231 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus); 232 HPT_ASSERT(p); 233 free_pages(p, 0); 234 } 235 236 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 237 int order, size; 238 #if DBG 239 if (f->count!=f->reserved_count) { 240 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 241 } 242 #endif 243 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 244 245 while ((p=freelist_get_dma(f, &bus))) { 246 if (order) 247 free_pages(p, order); 248 else { 249 /* can't free immediately since other blocks in this page may still be in the list */ 250 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0) 251 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus); 252 } 253 } 254 } 255 256 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus))) 257 free_pages(p, 0); 258 } 259 260 static int hpt_init_vbus(PVBUS_EXT vbus_ext) 261 { 262 PHBA hba; 263 264 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 265 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) { 266 KdPrint(("fail to initialize %p", hba)); 267 return -1; 268 } 269 270 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter); 271 return 0; 272 } 273 274 static void hpt_flush_done(PCOMMAND pCmd) 275 { 276 PVDEV vd = pCmd->target; 277 278 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) { 279 vd = vd->u.array.transform->target; 280 HPT_ASSERT(vd); 281 pCmd->target = vd; 282 pCmd->Result = RETURN_PENDING; 283 vdev_queue_cmd(pCmd); 284 return; 285 } 286 287 *(int *)pCmd->priv = 1; 288 wakeup(pCmd); 289 } 290 291 /* 292 * flush a vdev (without retry). 293 */ 294 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd) 295 { 296 PCOMMAND pCmd; 297 int result = 0, done; 298 HPT_UINT count; 299 300 KdPrint(("flusing dev %p", vd)); 301 302 hpt_assert_vbus_locked(vbus_ext); 303 304 if (mIsArray(vd->type) && vd->u.array.transform) 305 count = max(vd->u.array.transform->source->cmds_per_request, 306 vd->u.array.transform->target->cmds_per_request); 307 else 308 count = vd->cmds_per_request; 309 310 pCmd = ldm_alloc_cmds(vd->vbus, count); 311 312 if (!pCmd) { 313 return -1; 314 } 315 316 pCmd->type = CMD_TYPE_FLUSH; 317 pCmd->flags.hard_flush = 1; 318 pCmd->target = vd; 319 pCmd->done = hpt_flush_done; 320 done = 0; 321 pCmd->priv = &done; 322 323 ldm_queue_cmd(pCmd); 324 325 if (!done) { 326 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) { 327 ldm_reset_vbus(vd->vbus); 328 } 329 } 330 331 KdPrint(("flush result %d", pCmd->Result)); 332 333 if (pCmd->Result!=RETURN_SUCCESS) 334 result = -1; 335 336 ldm_free_cmds(pCmd); 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 hpt_lock_vbus(vbus_ext); 353 vbus_ext->worker.ta_context = 0; 354 355 /* flush devices */ 356 for (i=0; i<osm_max_targets; i++) { 357 PVDEV vd = ldm_find_target(vbus, i); 358 if (vd) { 359 /* retry once */ 360 if (hpt_flush_vdev(vbus_ext, vd)) 361 hpt_flush_vdev(vbus_ext, vd); 362 } 363 } 364 365 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 callout_drain(&vbus_ext->timer); 381 mtx_destroy(&vbus_ext->lock); 382 free(vbus_ext, M_DEVBUF); 383 KdPrint(("hpt_shutdown_vbus done")); 384 } 385 386 static void __hpt_do_tasks(PVBUS_EXT vbus_ext) 387 { 388 OSM_TASK *tasks; 389 390 tasks = vbus_ext->tasks; 391 vbus_ext->tasks = 0; 392 393 while (tasks) { 394 OSM_TASK *t = tasks; 395 tasks = t->next; 396 t->next = 0; 397 t->func(vbus_ext->vbus, t->data); 398 } 399 } 400 401 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending) 402 { 403 if(vbus_ext){ 404 hpt_lock_vbus(vbus_ext); 405 __hpt_do_tasks(vbus_ext); 406 hpt_unlock_vbus(vbus_ext); 407 } 408 } 409 410 static void hpt_action(struct cam_sim *sim, union ccb *ccb); 411 static void hpt_poll(struct cam_sim *sim); 412 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 413 static void hpt_pci_intr(void *arg); 414 415 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext) 416 { 417 POS_CMDEXT p = vbus_ext->cmdext_list; 418 if (p) 419 vbus_ext->cmdext_list = p->next; 420 return p; 421 } 422 423 static __inline void cmdext_put(POS_CMDEXT p) 424 { 425 p->next = p->vbus_ext->cmdext_list; 426 p->vbus_ext->cmdext_list = p; 427 } 428 429 static void hpt_timeout(void *arg) 430 { 431 PCOMMAND pCmd = (PCOMMAND)arg; 432 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 433 434 KdPrint(("pCmd %p timeout", pCmd)); 435 436 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus); 437 } 438 439 static void os_cmddone(PCOMMAND pCmd) 440 { 441 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 442 union ccb *ccb = ext->ccb; 443 444 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result)); 445 446 callout_stop(&ext->timeout); 447 448 switch(pCmd->Result) { 449 case RETURN_SUCCESS: 450 ccb->ccb_h.status = CAM_REQ_CMP; 451 break; 452 case RETURN_BAD_DEVICE: 453 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 454 break; 455 case RETURN_DEVICE_BUSY: 456 ccb->ccb_h.status = CAM_BUSY; 457 break; 458 case RETURN_INVALID_REQUEST: 459 ccb->ccb_h.status = CAM_REQ_INVALID; 460 break; 461 case RETURN_SELECTION_TIMEOUT: 462 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 463 break; 464 case RETURN_RETRY: 465 ccb->ccb_h.status = CAM_BUSY; 466 break; 467 default: 468 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR; 469 break; 470 } 471 472 if (pCmd->flags.data_in) { 473 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD); 474 } 475 else if (pCmd->flags.data_out) { 476 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE); 477 } 478 479 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map); 480 481 cmdext_put(ext); 482 ldm_free_cmds(pCmd); 483 xpt_done(ccb); 484 } 485 486 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical) 487 { 488 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 489 union ccb *ccb = ext->ccb; 490 491 if (logical) { 492 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); 493 pSg->size = ccb->csio.dxfer_len; 494 pSg->eot = 1; 495 return TRUE; 496 } 497 498 /* since we have provided physical sg, nobody will ask us to build physical sg */ 499 HPT_ASSERT(0); 500 return FALSE; 501 } 502 503 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 504 { 505 PCOMMAND pCmd = (PCOMMAND)arg; 506 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 507 PSG psg = pCmd->psg; 508 int idx; 509 510 HPT_ASSERT(pCmd->flags.physical_sg); 511 512 if (error) 513 panic("busdma error"); 514 515 HPT_ASSERT(nsegs<=os_max_sg_descriptors); 516 517 if (nsegs != 0) { 518 for (idx = 0; idx < nsegs; idx++, psg++) { 519 psg->addr.bus = segs[idx].ds_addr; 520 psg->size = segs[idx].ds_len; 521 psg->eot = 0; 522 } 523 psg[-1].eot = 1; 524 525 if (pCmd->flags.data_in) { 526 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 527 BUS_DMASYNC_PREREAD); 528 } 529 else if (pCmd->flags.data_out) { 530 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 531 BUS_DMASYNC_PREWRITE); 532 } 533 } 534 callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd); 535 ldm_queue_cmd(pCmd); 536 } 537 538 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb) 539 { 540 PVBUS vbus = (PVBUS)vbus_ext->vbus; 541 PVDEV vd; 542 PCOMMAND pCmd; 543 POS_CMDEXT ext; 544 HPT_U8 *cdb; 545 546 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 547 cdb = ccb->csio.cdb_io.cdb_ptr; 548 else 549 cdb = ccb->csio.cdb_io.cdb_bytes; 550 551 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x", 552 ccb, 553 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 554 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8] 555 )); 556 557 /* ccb->ccb_h.path_id is not our bus id - don't check it */ 558 if (ccb->ccb_h.target_lun != 0 || 559 ccb->ccb_h.target_id >= osm_max_targets || 560 (ccb->ccb_h.flags & CAM_CDB_PHYS)) 561 { 562 ccb->ccb_h.status = CAM_TID_INVALID; 563 xpt_done(ccb); 564 return; 565 } 566 567 vd = ldm_find_target(vbus, ccb->ccb_h.target_id); 568 569 if (!vd) { 570 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 571 xpt_done(ccb); 572 return; 573 } 574 575 switch (cdb[0]) { 576 case TEST_UNIT_READY: 577 case START_STOP_UNIT: 578 case SYNCHRONIZE_CACHE: 579 ccb->ccb_h.status = CAM_REQ_CMP; 580 break; 581 582 case INQUIRY: 583 { 584 PINQUIRYDATA inquiryData; 585 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len); 586 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr; 587 588 inquiryData->AdditionalLength = 31; 589 inquiryData->CommandQueue = 1; 590 memcpy(&inquiryData->VendorId, "HPT ", 8); 591 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16); 592 593 if (vd->target_id / 10) { 594 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + ''; 595 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + ''; 596 } 597 else 598 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + ''; 599 600 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4); 601 602 ccb->ccb_h.status = CAM_REQ_CMP; 603 } 604 break; 605 606 case READ_CAPACITY: 607 { 608 HPT_U8 *rbuf = ccb->csio.data_ptr; 609 HPT_U32 cap; 610 611 if (vd->capacity>0xfffffffful) 612 cap = 0xfffffffful; 613 else 614 cap = vd->capacity - 1; 615 616 rbuf[0] = (HPT_U8)(cap>>24); 617 rbuf[1] = (HPT_U8)(cap>>16); 618 rbuf[2] = (HPT_U8)(cap>>8); 619 rbuf[3] = (HPT_U8)cap; 620 rbuf[4] = 0; 621 rbuf[5] = 0; 622 rbuf[6] = 2; 623 rbuf[7] = 0; 624 625 ccb->ccb_h.status = CAM_REQ_CMP; 626 break; 627 } 628 629 case SERVICE_ACTION_IN: 630 { 631 HPT_U8 *rbuf = ccb->csio.data_ptr; 632 HPT_U64 cap = vd->capacity - 1; 633 634 rbuf[0] = (HPT_U8)(cap>>56); 635 rbuf[1] = (HPT_U8)(cap>>48); 636 rbuf[2] = (HPT_U8)(cap>>40); 637 rbuf[3] = (HPT_U8)(cap>>32); 638 rbuf[4] = (HPT_U8)(cap>>24); 639 rbuf[5] = (HPT_U8)(cap>>16); 640 rbuf[6] = (HPT_U8)(cap>>8); 641 rbuf[7] = (HPT_U8)cap; 642 rbuf[8] = 0; 643 rbuf[9] = 0; 644 rbuf[10] = 2; 645 rbuf[11] = 0; 646 647 ccb->ccb_h.status = CAM_REQ_CMP; 648 break; 649 } 650 651 case READ_6: 652 case READ_10: 653 case READ_16: 654 case WRITE_6: 655 case WRITE_10: 656 case WRITE_16: 657 case 0x13: 658 case 0x2f: 659 { 660 int error; 661 662 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request); 663 if(!pCmd){ 664 KdPrint(("Failed to allocate command!")); 665 ccb->ccb_h.status = CAM_BUSY; 666 break; 667 } 668 669 switch (cdb[0]) { 670 case READ_6: 671 case WRITE_6: 672 case 0x13: 673 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3]; 674 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4]; 675 break; 676 case READ_16: 677 case WRITE_16: 678 { 679 HPT_U64 block = 680 ((HPT_U64)cdb[2]<<56) | 681 ((HPT_U64)cdb[3]<<48) | 682 ((HPT_U64)cdb[4]<<40) | 683 ((HPT_U64)cdb[5]<<32) | 684 ((HPT_U64)cdb[6]<<24) | 685 ((HPT_U64)cdb[7]<<16) | 686 ((HPT_U64)cdb[8]<<8) | 687 ((HPT_U64)cdb[9]); 688 pCmd->uCmd.Ide.Lba = block; 689 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 690 break; 691 } 692 693 default: 694 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 695 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 696 break; 697 } 698 699 switch (cdb[0]) { 700 case READ_6: 701 case READ_10: 702 case READ_16: 703 pCmd->flags.data_in = 1; 704 break; 705 case WRITE_6: 706 case WRITE_10: 707 case WRITE_16: 708 pCmd->flags.data_out = 1; 709 break; 710 } 711 pCmd->priv = ext = cmdext_get(vbus_ext); 712 HPT_ASSERT(ext); 713 ext->ccb = ccb; 714 pCmd->target = vd; 715 pCmd->done = os_cmddone; 716 pCmd->buildsgl = os_buildsgl; 717 pCmd->psg = ext->psg; 718 pCmd->flags.physical_sg = 1; 719 error = bus_dmamap_load_ccb(vbus_ext->io_dmat, 720 ext->dma_map, 721 ccb, 722 hpt_io_dmamap_callback, pCmd, 723 BUS_DMA_WAITOK 724 ); 725 KdPrint(("bus_dmamap_load return %d", error)); 726 if (error && error!=EINPROGRESS) { 727 os_printk("bus_dmamap_load error %d", error); 728 cmdext_put(ext); 729 ldm_free_cmds(pCmd); 730 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 731 xpt_done(ccb); 732 } 733 return; 734 } 735 736 default: 737 ccb->ccb_h.status = CAM_REQ_INVALID; 738 break; 739 } 740 741 xpt_done(ccb); 742 return; 743 } 744 745 static void hpt_action(struct cam_sim *sim, union ccb *ccb) 746 { 747 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 748 749 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id)); 750 751 hpt_assert_vbus_locked(vbus_ext); 752 switch (ccb->ccb_h.func_code) { 753 754 case XPT_SCSI_IO: 755 hpt_scsi_io(vbus_ext, ccb); 756 return; 757 758 case XPT_RESET_BUS: 759 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 760 break; 761 762 case XPT_GET_TRAN_SETTINGS: 763 case XPT_SET_TRAN_SETTINGS: 764 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 765 break; 766 767 case XPT_CALC_GEOMETRY: 768 cam_calc_geometry(&ccb->ccg, 1); 769 break; 770 771 case XPT_PATH_INQ: 772 { 773 struct ccb_pathinq *cpi = &ccb->cpi; 774 775 cpi->version_num = 1; 776 cpi->hba_inquiry = PI_SDTR_ABLE; 777 cpi->target_sprt = 0; 778 cpi->hba_misc = PIM_NOBUSRESET; 779 cpi->hba_eng_cnt = 0; 780 cpi->max_target = osm_max_targets; 781 cpi->max_lun = 0; 782 cpi->unit_number = cam_sim_unit(sim); 783 cpi->bus_id = cam_sim_bus(sim); 784 cpi->initiator_id = osm_max_targets; 785 cpi->base_transfer_speed = 3300; 786 787 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 788 strlcpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 789 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 790 cpi->transport = XPORT_SPI; 791 cpi->transport_version = 2; 792 cpi->protocol = PROTO_SCSI; 793 cpi->protocol_version = SCSI_REV_2; 794 cpi->ccb_h.status = CAM_REQ_CMP; 795 break; 796 } 797 798 default: 799 ccb->ccb_h.status = CAM_REQ_INVALID; 800 break; 801 } 802 803 xpt_done(ccb); 804 return; 805 } 806 807 static void hpt_pci_intr(void *arg) 808 { 809 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 810 hpt_lock_vbus(vbus_ext); 811 ldm_intr((PVBUS)vbus_ext->vbus); 812 hpt_unlock_vbus(vbus_ext); 813 } 814 815 static void hpt_poll(struct cam_sim *sim) 816 { 817 PVBUS_EXT vbus_ext = cam_sim_softc(sim); 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; 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, 0, &vbus_ext->lock, os_max_queue_comm, 1059 /*tagged*/8, devq); 1060 1061 if (!vbus_ext->sim) { 1062 os_printk("cam_sim_alloc failed"); 1063 cam_simq_free(devq); 1064 return ; 1065 } 1066 1067 hpt_lock_vbus(vbus_ext); 1068 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) { 1069 os_printk("xpt_bus_register failed"); 1070 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE); 1071 hpt_unlock_vbus(vbus_ext); 1072 vbus_ext->sim = NULL; 1073 return ; 1074 } 1075 1076 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL, 1077 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1078 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1079 { 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 hpt_unlock_vbus(vbus_ext); 1084 vbus_ext->sim = NULL; 1085 return ; 1086 } 1087 hpt_unlock_vbus(vbus_ext); 1088 1089 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5); 1090 ccb.ccb_h.func_code = XPT_SASYNC_CB; 1091 ccb.event_enable = AC_LOST_DEVICE; 1092 ccb.callback = hpt_async; 1093 ccb.callback_arg = vbus_ext; 1094 xpt_action((union ccb *)&ccb); 1095 1096 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1097 int rid = 0; 1098 if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev, 1099 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1100 { 1101 os_printk("can't allocate interrupt"); 1102 return ; 1103 } 1104 1105 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE, 1106 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1107 { 1108 os_printk("can't set up interrupt"); 1109 return ; 1110 } 1111 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 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 DEVMETHOD_END 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 = 0; 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 | M_ZERO); 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 return(ENOMEM); 1316 if (xpt_create_path(&ccb->ccb_h.path, NULL, 1317 cam_sim_path(vbus_ext->sim), 1318 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1319 xpt_free_ccb(ccb); 1320 return(EIO); 1321 } 1322 xpt_rescan(ccb); 1323 } 1324 1325 return(0); 1326 }
Cache object: 41b86afad29b529b25abdf1b0ddf584a
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