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 * $FreeBSD: head/sys/dev/hptrr/hptrr_osm_bsd.c 313554 2017-02-10 15:18:41Z pfg $ 27 */ 28 29 #include <dev/raid/hptrr/hptrr_config.h> 30 /* $Id: osm_bsd.c,v 1.27 2007/11/22 07:35:49 gmm Exp $ 31 * 32 * HighPoint RAID Driver for FreeBSD 33 * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved. 34 */ 35 #include <dev/raid/hptrr/os_bsd.h> 36 #include <dev/raid/hptrr/hptintf.h> 37 38 static int attach_generic = 0; 39 TUNABLE_INT("hw.hptrr.attach_generic", &attach_generic); 40 41 static HIM *hpt_match(device_t dev) 42 { 43 PCI_ID pci_id; 44 int i; 45 HIM *him; 46 47 /* Some of supported chips are used not only by HPT. */ 48 if (pci_get_vendor(dev) != 0x1103 && !attach_generic) 49 return (NULL); 50 for (him = him_list; him; him = him->next) { 51 for (i=0; him->get_supported_device_id(i, &pci_id); i++) { 52 if ((pci_get_vendor(dev) == pci_id.vid) && 53 (pci_get_device(dev) == pci_id.did)){ 54 return (him); 55 } 56 } 57 } 58 return (NULL); 59 } 60 61 static int hpt_probe(device_t dev) 62 { 63 HIM *him; 64 65 him = hpt_match(dev); 66 if (him != NULL) { 67 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d", 68 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev) 69 )); 70 device_set_desc(dev, him->name); 71 return (BUS_PROBE_DEFAULT); 72 } 73 74 return (ENXIO); 75 } 76 77 static int hpt_attach(device_t dev) 78 { 79 PHBA hba = (PHBA)device_get_softc(dev); 80 HIM *him; 81 PCI_ID pci_id; 82 HPT_UINT size; 83 PVBUS vbus; 84 PVBUS_EXT vbus_ext; 85 86 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev))); 87 88 him = hpt_match(dev); 89 hba->ext_type = EXT_TYPE_HBA; 90 hba->ldm_adapter.him = him; 91 92 pci_enable_busmaster(dev); 93 94 pci_id.vid = pci_get_vendor(dev); 95 pci_id.did = pci_get_device(dev); 96 pci_id.rev = pci_get_revid(dev); 97 98 size = him->get_adapter_size(&pci_id); 99 hba->ldm_adapter.him_handle = kmalloc(size, M_DEVBUF, M_WAITOK); 100 101 hba->pcidev = dev; 102 hba->pciaddr.tree = 0; 103 hba->pciaddr.bus = pci_get_bus(dev); 104 hba->pciaddr.device = pci_get_slot(dev); 105 hba->pciaddr.function = pci_get_function(dev); 106 107 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) { 108 kfree(hba->ldm_adapter.him_handle, M_DEVBUF); 109 return ENXIO; 110 } 111 112 os_printk("adapter at PCI %d:%d:%d, IRQ %d", 113 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev)); 114 115 if (!ldm_register_adapter(&hba->ldm_adapter)) { 116 size = ldm_get_vbus_size(); 117 vbus_ext = kmalloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK | 118 M_ZERO); 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 **)kmalloc(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 kfree(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_assert_vbus_locked(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 return -1; 311 } 312 313 pCmd->type = CMD_TYPE_FLUSH; 314 pCmd->flags.hard_flush = 1; 315 pCmd->target = vd; 316 pCmd->done = hpt_flush_done; 317 done = 0; 318 pCmd->priv = &done; 319 320 ldm_queue_cmd(pCmd); 321 322 if (!done) { 323 while (hpt_sleep(vbus_ext, pCmd, 0, "hptfls", HPT_OSM_TIMEOUT)) { 324 ldm_reset_vbus(vd->vbus); 325 } 326 } 327 328 KdPrint(("flush result %d", pCmd->Result)); 329 330 if (pCmd->Result!=RETURN_SUCCESS) 331 result = -1; 332 333 ldm_free_cmds(pCmd); 334 335 return result; 336 } 337 338 static void hpt_stop_tasks(PVBUS_EXT vbus_ext); 339 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto) 340 { 341 PVBUS vbus = (PVBUS)vbus_ext->vbus; 342 PHBA hba; 343 int i; 344 345 KdPrint(("hpt_shutdown_vbus")); 346 347 /* stop all ctl tasks and disable the worker taskqueue */ 348 hpt_stop_tasks(vbus_ext); 349 hpt_lock_vbus(vbus_ext); 350 vbus_ext->worker.ta_context = NULL; 351 352 /* flush devices */ 353 for (i=0; i<osm_max_targets; i++) { 354 PVDEV vd = ldm_find_target(vbus, i); 355 if (vd) { 356 /* retry once */ 357 if (hpt_flush_vdev(vbus_ext, vd)) 358 hpt_flush_vdev(vbus_ext, vd); 359 } 360 } 361 362 ldm_shutdown(vbus); 363 hpt_unlock_vbus(vbus_ext); 364 365 ldm_release_vbus(vbus); 366 367 for (hba=vbus_ext->hba_list; hba; hba=hba->next) 368 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle); 369 370 hpt_free_mem(vbus_ext); 371 372 while ((hba=vbus_ext->hba_list)) { 373 vbus_ext->hba_list = hba->next; 374 kfree(hba->ldm_adapter.him_handle, M_DEVBUF); 375 } 376 377 callout_terminate(&vbus_ext->timer); 378 lockuninit(&vbus_ext->lock); 379 kfree(vbus_ext, M_DEVBUF); 380 KdPrint(("hpt_shutdown_vbus done")); 381 } 382 383 static void __hpt_do_tasks(PVBUS_EXT vbus_ext) 384 { 385 OSM_TASK *tasks; 386 387 tasks = vbus_ext->tasks; 388 vbus_ext->tasks = NULL; 389 390 while (tasks) { 391 OSM_TASK *t = tasks; 392 tasks = t->next; 393 t->next = NULL; 394 t->func(vbus_ext->vbus, t->data); 395 } 396 } 397 398 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending) 399 { 400 if(vbus_ext){ 401 hpt_lock_vbus(vbus_ext); 402 __hpt_do_tasks(vbus_ext); 403 hpt_unlock_vbus(vbus_ext); 404 } 405 } 406 407 static void hpt_action(struct cam_sim *sim, union ccb *ccb); 408 static void hpt_poll(struct cam_sim *sim); 409 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 410 static void hpt_pci_intr(void *arg); 411 412 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext) 413 { 414 POS_CMDEXT p = vbus_ext->cmdext_list; 415 if (p) 416 vbus_ext->cmdext_list = p->next; 417 return p; 418 } 419 420 static __inline void cmdext_put(POS_CMDEXT p) 421 { 422 p->next = p->vbus_ext->cmdext_list; 423 p->vbus_ext->cmdext_list = p; 424 } 425 426 static void hpt_timeout(void *arg) 427 { 428 PCOMMAND pCmd = (PCOMMAND)arg; 429 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 430 431 KdPrint(("pCmd %p timeout", pCmd)); 432 433 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus); 434 } 435 436 static void os_cmddone(PCOMMAND pCmd) 437 { 438 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 439 union ccb *ccb = ext->ccb; 440 441 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result)); 442 443 callout_stop(&ext->timeout); 444 445 switch(pCmd->Result) { 446 case RETURN_SUCCESS: 447 ccb->ccb_h.status = CAM_REQ_CMP; 448 break; 449 case RETURN_BAD_DEVICE: 450 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 451 break; 452 case RETURN_DEVICE_BUSY: 453 ccb->ccb_h.status = CAM_BUSY; 454 break; 455 case RETURN_INVALID_REQUEST: 456 ccb->ccb_h.status = CAM_REQ_INVALID; 457 break; 458 case RETURN_SELECTION_TIMEOUT: 459 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 460 break; 461 case RETURN_RETRY: 462 ccb->ccb_h.status = CAM_BUSY; 463 break; 464 default: 465 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR; 466 break; 467 } 468 469 if (pCmd->flags.data_in) { 470 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD); 471 } 472 else if (pCmd->flags.data_out) { 473 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE); 474 } 475 476 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map); 477 478 cmdext_put(ext); 479 ldm_free_cmds(pCmd); 480 xpt_done(ccb); 481 } 482 483 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical) 484 { 485 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 486 union ccb *ccb = ext->ccb; 487 488 if(logical) { 489 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); 490 pSg->size = ccb->csio.dxfer_len; 491 pSg->eot = 1; 492 return TRUE; 493 } 494 495 /* since we have provided physical sg, nobody will ask us to build physical sg */ 496 HPT_ASSERT(0); 497 return FALSE; 498 } 499 500 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 501 { 502 PCOMMAND pCmd = (PCOMMAND)arg; 503 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 504 PSG psg = pCmd->psg; 505 int idx; 506 507 HPT_ASSERT(pCmd->flags.physical_sg); 508 509 if (error) 510 panic("busdma error"); 511 512 HPT_ASSERT(nsegs<=os_max_sg_descriptors); 513 514 if (nsegs != 0) { 515 for (idx = 0; idx < nsegs; idx++, psg++) { 516 psg->addr.bus = segs[idx].ds_addr; 517 psg->size = segs[idx].ds_len; 518 psg->eot = 0; 519 } 520 psg[-1].eot = 1; 521 522 if (pCmd->flags.data_in) { 523 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 524 BUS_DMASYNC_PREREAD); 525 } 526 else if (pCmd->flags.data_out) { 527 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 528 BUS_DMASYNC_PREWRITE); 529 } 530 } 531 callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd); 532 ldm_queue_cmd(pCmd); 533 } 534 535 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb) 536 { 537 PVBUS vbus = (PVBUS)vbus_ext->vbus; 538 PVDEV vd; 539 PCOMMAND pCmd; 540 POS_CMDEXT ext; 541 HPT_U8 *cdb; 542 543 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 544 cdb = ccb->csio.cdb_io.cdb_ptr; 545 else 546 cdb = ccb->csio.cdb_io.cdb_bytes; 547 548 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x", 549 ccb, 550 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 551 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8] 552 )); 553 554 /* ccb->ccb_h.path_id is not our bus id - don't check it */ 555 if (ccb->ccb_h.target_lun != 0 || 556 ccb->ccb_h.target_id >= osm_max_targets || 557 (ccb->ccb_h.flags & CAM_CDB_PHYS)) 558 { 559 ccb->ccb_h.status = CAM_TID_INVALID; 560 xpt_done(ccb); 561 return; 562 } 563 564 vd = ldm_find_target(vbus, ccb->ccb_h.target_id); 565 566 if (!vd) { 567 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 568 xpt_done(ccb); 569 return; 570 } 571 572 switch (cdb[0]) { 573 case TEST_UNIT_READY: 574 case START_STOP_UNIT: 575 case SYNCHRONIZE_CACHE: 576 ccb->ccb_h.status = CAM_REQ_CMP; 577 break; 578 579 case INQUIRY: 580 { 581 PINQUIRYDATA inquiryData; 582 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len); 583 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr; 584 585 inquiryData->AdditionalLength = 31; 586 inquiryData->CommandQueue = 1; 587 memcpy(&inquiryData->VendorId, "HPT ", 8); 588 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16); 589 590 if (vd->target_id / 10) { 591 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0'; 592 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0'; 593 } 594 else 595 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0'; 596 597 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4); 598 599 ccb->ccb_h.status = CAM_REQ_CMP; 600 } 601 break; 602 603 case READ_CAPACITY: 604 { 605 HPT_U8 *rbuf = ccb->csio.data_ptr; 606 HPT_U32 cap; 607 608 if (vd->capacity>0xfffffffful) 609 cap = 0xfffffffful; 610 else 611 cap = vd->capacity - 1; 612 613 rbuf[0] = (HPT_U8)(cap>>24); 614 rbuf[1] = (HPT_U8)(cap>>16); 615 rbuf[2] = (HPT_U8)(cap>>8); 616 rbuf[3] = (HPT_U8)cap; 617 rbuf[4] = 0; 618 rbuf[5] = 0; 619 rbuf[6] = 2; 620 rbuf[7] = 0; 621 622 ccb->ccb_h.status = CAM_REQ_CMP; 623 break; 624 } 625 626 case SERVICE_ACTION_IN: 627 { 628 HPT_U8 *rbuf = ccb->csio.data_ptr; 629 HPT_U64 cap = vd->capacity - 1; 630 631 rbuf[0] = (HPT_U8)(cap>>56); 632 rbuf[1] = (HPT_U8)(cap>>48); 633 rbuf[2] = (HPT_U8)(cap>>40); 634 rbuf[3] = (HPT_U8)(cap>>32); 635 rbuf[4] = (HPT_U8)(cap>>24); 636 rbuf[5] = (HPT_U8)(cap>>16); 637 rbuf[6] = (HPT_U8)(cap>>8); 638 rbuf[7] = (HPT_U8)cap; 639 rbuf[8] = 0; 640 rbuf[9] = 0; 641 rbuf[10] = 2; 642 rbuf[11] = 0; 643 644 ccb->ccb_h.status = CAM_REQ_CMP; 645 break; 646 } 647 648 case READ_6: 649 case READ_10: 650 case READ_16: 651 case WRITE_6: 652 case WRITE_10: 653 case WRITE_16: 654 case 0x13: 655 case 0x2f: 656 { 657 int error; 658 659 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request); 660 if(!pCmd){ 661 KdPrint(("Failed to allocate command!")); 662 ccb->ccb_h.status = CAM_BUSY; 663 break; 664 } 665 666 switch (cdb[0]) { 667 case READ_6: 668 case WRITE_6: 669 case 0x13: 670 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3]; 671 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4]; 672 break; 673 case READ_16: 674 case WRITE_16: 675 { 676 HPT_U64 block = 677 ((HPT_U64)cdb[2]<<56) | 678 ((HPT_U64)cdb[3]<<48) | 679 ((HPT_U64)cdb[4]<<40) | 680 ((HPT_U64)cdb[5]<<32) | 681 ((HPT_U64)cdb[6]<<24) | 682 ((HPT_U64)cdb[7]<<16) | 683 ((HPT_U64)cdb[8]<<8) | 684 ((HPT_U64)cdb[9]); 685 pCmd->uCmd.Ide.Lba = block; 686 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 687 break; 688 } 689 690 default: 691 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 692 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 693 break; 694 } 695 696 switch (cdb[0]) { 697 case READ_6: 698 case READ_10: 699 case READ_16: 700 pCmd->flags.data_in = 1; 701 break; 702 case WRITE_6: 703 case WRITE_10: 704 case WRITE_16: 705 pCmd->flags.data_out = 1; 706 break; 707 } 708 pCmd->priv = ext = cmdext_get(vbus_ext); 709 HPT_ASSERT(ext); 710 ext->ccb = ccb; 711 pCmd->target = vd; 712 pCmd->done = os_cmddone; 713 pCmd->buildsgl = os_buildsgl; 714 pCmd->psg = ext->psg; 715 pCmd->flags.physical_sg = 1; 716 error = bus_dmamap_load_ccb(vbus_ext->io_dmat, 717 ext->dma_map, 718 ccb, 719 hpt_io_dmamap_callback, pCmd, 720 BUS_DMA_WAITOK 721 ); 722 KdPrint(("bus_dmamap_load return %d", error)); 723 if (error && error!=EINPROGRESS) { 724 os_printk("bus_dmamap_load error %d", error); 725 cmdext_put(ext); 726 ldm_free_cmds(pCmd); 727 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 728 xpt_done(ccb); 729 } 730 return; 731 } 732 733 default: 734 ccb->ccb_h.status = CAM_REQ_INVALID; 735 break; 736 } 737 738 xpt_done(ccb); 739 return; 740 } 741 742 static void hpt_action(struct cam_sim *sim, union ccb *ccb) 743 { 744 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 745 746 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id)); 747 748 hpt_assert_vbus_locked(vbus_ext); 749 switch (ccb->ccb_h.func_code) { 750 751 case XPT_SCSI_IO: 752 hpt_scsi_io(vbus_ext, ccb); 753 return; 754 755 case XPT_RESET_BUS: 756 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 757 break; 758 759 case XPT_GET_TRAN_SETTINGS: 760 case XPT_SET_TRAN_SETTINGS: 761 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 762 break; 763 764 case XPT_CALC_GEOMETRY: 765 cam_calc_geometry(&ccb->ccg, 1); 766 break; 767 768 case XPT_PATH_INQ: 769 { 770 struct ccb_pathinq *cpi = &ccb->cpi; 771 772 cpi->version_num = 1; 773 cpi->hba_inquiry = PI_SDTR_ABLE; 774 cpi->target_sprt = 0; 775 cpi->hba_misc = PIM_NOBUSRESET; 776 cpi->hba_eng_cnt = 0; 777 cpi->max_target = osm_max_targets; 778 cpi->max_lun = 0; 779 cpi->unit_number = cam_sim_unit(sim); 780 cpi->bus_id = cam_sim_bus(sim); 781 cpi->initiator_id = osm_max_targets; 782 cpi->base_transfer_speed = 3300; 783 784 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 785 strlcpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 786 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 787 cpi->transport = XPORT_SPI; 788 cpi->transport_version = 2; 789 cpi->protocol = PROTO_SCSI; 790 cpi->protocol_version = SCSI_REV_2; 791 cpi->maxio = HPTRR_DFLTPHYS; 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 } 804 805 static 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 } 812 813 static 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 } 819 820 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg) 821 { 822 KdPrint(("hpt_async")); 823 } 824 825 static int hpt_shutdown(device_t dev) 826 { 827 KdPrint(("hpt_shutdown(dev=%p)", dev)); 828 return 0; 829 } 830 831 static int hpt_detach(device_t dev) 832 { 833 /* we don't allow the driver to be unloaded. */ 834 return EBUSY; 835 } 836 837 static void hpt_ioctl_done(struct _IOCTL_ARG *arg) 838 { 839 arg->ioctl_cmnd = NULL; 840 wakeup(arg); 841 } 842 843 static 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, 0, "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 } 863 864 static 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 = NULL;\ 884 hpt_do_ioctl(&arg);\ 885 arg.result;\ 886 }) 887 888 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff)) 889 890 static 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 } 903 904 static 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 */ 911 static 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), NULL, 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 } 944 945 static 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 } 955 956 static d_open_t hpt_open; 957 static d_close_t hpt_close; 958 static d_ioctl_t hpt_ioctl; 959 static int hpt_rescan_bus(void); 960 static void hpt_rescan_callback(struct cam_periph *periph, union ccb *ccb); 961 962 static struct dev_ops hpt_ops = { 963 { driver_name, 0, D_MPSAFE }, 964 .d_open = hpt_open, 965 .d_close = hpt_close, 966 .d_ioctl = hpt_ioctl, 967 }; 968 969 static struct intr_config_hook hpt_ich; 970 971 /* 972 * hpt_final_init will be called after all hpt_attach. 973 */ 974 static 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 lockinit(&vbus_ext->lock, "hptsleeplock", 0, LK_CANRECURSE); 1004 callout_init_lk(&vbus_ext->timer, &vbus_ext->lock); 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 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */ 1022 os_max_sg_descriptors, /* nsegments */ 1023 0x10000, /* maxsegsize */ 1024 BUS_DMA_WAITOK, /* flags */ 1025 &vbus_ext->io_dmat /* tag */)) 1026 { 1027 return ; 1028 } 1029 1030 for (i=0; i<os_max_queue_comm; i++) { 1031 POS_CMDEXT ext = (POS_CMDEXT)kmalloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK); 1032 if (!ext) { 1033 os_printk("Can't alloc cmdext(%d)", i); 1034 return ; 1035 } 1036 ext->vbus_ext = vbus_ext; 1037 ext->next = vbus_ext->cmdext_list; 1038 vbus_ext->cmdext_list = ext; 1039 1040 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) { 1041 os_printk("Can't create dma map(%d)", i); 1042 return ; 1043 } 1044 callout_init_lk(&ext->timeout, &vbus_ext->lock); 1045 } 1046 1047 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) { 1048 os_printk("cam_simq_alloc failed"); 1049 return ; 1050 } 1051 1052 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1053 vbus_ext, 0, &vbus_ext->lock, os_max_queue_comm, 1054 /*tagged*/8, devq); 1055 cam_simq_release(devq); 1056 1057 if (!vbus_ext->sim) { 1058 os_printk("cam_sim_alloc failed"); 1059 return ; 1060 } 1061 1062 hpt_lock_vbus(vbus_ext); 1063 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) { 1064 os_printk("xpt_bus_register failed"); 1065 cam_sim_free(vbus_ext->sim); 1066 hpt_unlock_vbus(vbus_ext); 1067 vbus_ext->sim = NULL; 1068 return ; 1069 } 1070 1071 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL, 1072 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1073 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1074 { 1075 os_printk("xpt_create_path failed"); 1076 xpt_bus_deregister(cam_sim_path(vbus_ext->sim)); 1077 cam_sim_free(vbus_ext->sim); 1078 hpt_unlock_vbus(vbus_ext); 1079 vbus_ext->sim = NULL; 1080 return ; 1081 } 1082 hpt_unlock_vbus(vbus_ext); 1083 1084 ccb = &xpt_alloc_ccb()->csa; 1085 xpt_setup_ccb(&ccb->ccb_h, vbus_ext->path, /*priority*/5); 1086 ccb->ccb_h.func_code = XPT_SASYNC_CB; 1087 ccb->event_enable = AC_LOST_DEVICE; 1088 ccb->callback = hpt_async; 1089 ccb->callback_arg = vbus_ext; 1090 xpt_action((union ccb *)ccb); 1091 xpt_free_ccb(&ccb->ccb_h); 1092 1093 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1094 int rid = 0; 1095 if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev, 1096 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1097 { 1098 os_printk("can't allocate interrupt"); 1099 return ; 1100 } 1101 1102 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_MPSAFE, 1103 hpt_pci_intr, vbus_ext, &hba->irq_handle, NULL)) 1104 { 1105 os_printk("can't set up interrupt"); 1106 return ; 1107 } 1108 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 1109 } 1110 1111 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, 1112 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT); 1113 if (!vbus_ext->shutdown_eh) 1114 os_printk("Shutdown event registration failed"); 1115 } 1116 1117 ldm_for_each_vbus(vbus, vbus_ext) { 1118 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext); 1119 if (vbus_ext->tasks) 1120 TASK_ENQUEUE(&vbus_ext->worker); 1121 } 1122 1123 make_dev(&hpt_ops, DRIVER_MINOR, UID_ROOT, GID_OPERATOR, 1124 S_IRUSR | S_IWUSR, "%s", driver_name); 1125 } 1126 1127 #if defined(KLD_MODULE) 1128 1129 typedef struct driverlink *driverlink_t; 1130 struct driverlink { 1131 kobj_class_t driver; 1132 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */ 1133 }; 1134 1135 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t; 1136 1137 struct devclass { 1138 TAILQ_ENTRY(devclass) link; 1139 devclass_t parent; /* parent in devclass hierarchy */ 1140 driver_list_t drivers; /* bus devclasses store drivers for bus */ 1141 char *name; 1142 device_t *devices; /* array of devices indexed by unit */ 1143 int maxunit; /* size of devices array */ 1144 }; 1145 1146 static void override_kernel_driver(void) 1147 { 1148 driverlink_t dl, dlfirst; 1149 driver_t *tmpdriver; 1150 devclass_t dc = devclass_find("pci"); 1151 1152 if (dc){ 1153 dlfirst = TAILQ_FIRST(&dc->drivers); 1154 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) { 1155 if(strcmp(dl->driver->name, driver_name) == 0) { 1156 tmpdriver=dl->driver; 1157 dl->driver=dlfirst->driver; 1158 dlfirst->driver=tmpdriver; 1159 break; 1160 } 1161 } 1162 } 1163 } 1164 1165 #else 1166 #define override_kernel_driver() 1167 #endif 1168 1169 static void hpt_init(void *dummy) 1170 { 1171 if (bootverbose) 1172 os_printk("%s %s", driver_name_long, driver_ver); 1173 1174 override_kernel_driver(); 1175 init_config(); 1176 1177 hpt_ich.ich_func = hpt_final_init; 1178 hpt_ich.ich_arg = NULL; 1179 hpt_ich.ich_desc = "hptrr"; 1180 if (config_intrhook_establish(&hpt_ich) != 0) { 1181 kprintf("%s: cannot establish configuration hook\n", 1182 driver_name_long); 1183 } 1184 1185 } 1186 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL); 1187 1188 /* 1189 * CAM driver interface 1190 */ 1191 static 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 1200 static driver_t hpt_pci_driver = { 1201 driver_name, 1202 driver_methods, 1203 sizeof(HBA) 1204 }; 1205 1206 static 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, NULL, NULL); 1217 __MODULE_VERSION(TARGETNAME, 1); 1218 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1); 1219 1220 static int hpt_open(struct dev_open_args *ap) 1221 { 1222 return 0; 1223 } 1224 1225 static int hpt_close(struct dev_close_args *ap) 1226 { 1227 return 0; 1228 } 1229 1230 static int hpt_ioctl(struct dev_ioctl_args *ap) 1231 { 1232 u_long cmd = ap->a_cmd; 1233 caddr_t data = ap->a_data; 1234 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data; 1235 IOCTL_ARG ioctl_args; 1236 HPT_U32 bytesReturned; 1237 1238 switch (cmd){ 1239 case HPT_DO_IOCONTROL: 1240 { 1241 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) { 1242 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n", 1243 piop->dwIoControlCode, 1244 piop->lpInBuffer, 1245 piop->nInBufferSize, 1246 piop->lpOutBuffer, 1247 piop->nOutBufferSize)); 1248 1249 memset(&ioctl_args, 0, sizeof(ioctl_args)); 1250 1251 ioctl_args.dwIoControlCode = piop->dwIoControlCode; 1252 ioctl_args.nInBufferSize = piop->nInBufferSize; 1253 ioctl_args.nOutBufferSize = piop->nOutBufferSize; 1254 ioctl_args.lpBytesReturned = &bytesReturned; 1255 1256 if (ioctl_args.nInBufferSize) { 1257 ioctl_args.lpInBuffer = kmalloc(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 = kmalloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK); 1267 if (!ioctl_args.lpOutBuffer) 1268 goto invalid; 1269 } 1270 1271 hpt_do_ioctl(&ioctl_args); 1272 1273 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) { 1274 if (piop->nOutBufferSize) { 1275 if (copyout(ioctl_args.lpOutBuffer, 1276 (void*)piop->lpOutBuffer, piop->nOutBufferSize)) 1277 goto invalid; 1278 } 1279 if (piop->lpBytesReturned) { 1280 if (copyout(&bytesReturned, 1281 (void*)piop->lpBytesReturned, sizeof(HPT_U32))) 1282 goto invalid; 1283 } 1284 if (ioctl_args.lpInBuffer) kfree(ioctl_args.lpInBuffer, M_DEVBUF); 1285 if (ioctl_args.lpOutBuffer) kfree(ioctl_args.lpOutBuffer, M_DEVBUF); 1286 return 0; 1287 } 1288 invalid: 1289 if (ioctl_args.lpInBuffer) kfree(ioctl_args.lpInBuffer, M_DEVBUF); 1290 if (ioctl_args.lpOutBuffer) kfree(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 void hpt_rescan_callback(struct cam_periph *periph, union ccb *ccb) 1308 { 1309 xpt_free_path(ccb->ccb_h.path); 1310 xpt_free_ccb(&ccb->ccb_h); 1311 } 1312 1313 static int hpt_rescan_bus(void) 1314 { 1315 union ccb *ccb; 1316 PVBUS vbus; 1317 PVBUS_EXT vbus_ext; 1318 1319 ldm_for_each_vbus(vbus, vbus_ext) { 1320 if ((ccb = xpt_alloc_ccb()) == NULL) 1321 return(ENOMEM); 1322 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, 1323 cam_sim_path(vbus_ext->sim), 1324 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1325 xpt_free_ccb(&ccb->ccb_h); 1326 return(EIO); 1327 } 1328 1329 xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, 5/*priority (low)*/); 1330 ccb->ccb_h.func_code = XPT_SCAN_BUS; 1331 ccb->ccb_h.cbfcnp = hpt_rescan_callback; 1332 ccb->crcn.flags = CAM_FLAG_NONE; 1333 xpt_action(ccb); /* scan is now in progress */ 1334 } 1335 1336 return(0); 1337 } 1338